From 1259c8974b3bd5c9e9e78161377f07fceaab5a02 Mon Sep 17 00:00:00 2001 From: j Date: Sun, 3 Jan 2016 20:02:46 +0530 Subject: [PATCH] update pdf.js --- pdf.js/compatibility.js | 53 +- pdf.js/debugger.js | 4 +- pdf.js/images/treeitem-collapsed-rtl.png | Bin 0 -> 183 bytes pdf.js/images/treeitem-collapsed-rtl@2x.png | Bin 0 -> 205 bytes pdf.js/images/treeitem-collapsed.png | Bin 0 -> 128 bytes pdf.js/images/treeitem-collapsed@2x.png | Bin 0 -> 149 bytes pdf.js/images/treeitem-expanded.png | Bin 0 -> 125 bytes pdf.js/images/treeitem-expanded@2x.png | Bin 0 -> 172 bytes pdf.js/l10n.js | 223 +- pdf.js/locale/ach/viewer.properties | 12 +- pdf.js/locale/af/viewer.properties | 12 +- pdf.js/locale/ak/viewer.properties | 10 +- pdf.js/locale/an/viewer.properties | 12 +- pdf.js/locale/ar/viewer.properties | 16 +- pdf.js/locale/as/viewer.properties | 11 +- pdf.js/locale/ast/viewer.properties | 4 + pdf.js/locale/az/viewer.properties | 14 +- pdf.js/locale/bg/viewer.properties | 30 +- pdf.js/locale/bn-BD/viewer.properties | 36 +- pdf.js/locale/bn-IN/viewer.properties | 12 +- pdf.js/locale/br/viewer.properties | 12 +- pdf.js/locale/bs/viewer.properties | 76 +- pdf.js/locale/ca/viewer.properties | 16 +- pdf.js/locale/cs/viewer.properties | 6 +- pdf.js/locale/cy/viewer.properties | 12 +- pdf.js/locale/da/viewer.properties | 12 +- pdf.js/locale/de/viewer.properties | 4 + pdf.js/locale/el/viewer.properties | 174 +- pdf.js/locale/en-GB/viewer.properties | 6 +- pdf.js/locale/en-US/viewer.properties | 11 +- pdf.js/locale/en-ZA/viewer.properties | 14 +- pdf.js/locale/eo/viewer.properties | 16 +- pdf.js/locale/es-AR/viewer.properties | 10 +- pdf.js/locale/es-CL/viewer.properties | 4 +- pdf.js/locale/es-ES/viewer.properties | 6 +- pdf.js/locale/es-MX/viewer.properties | 14 +- pdf.js/locale/et/viewer.properties | 4 + pdf.js/locale/eu/viewer.properties | 12 +- pdf.js/locale/fa/viewer.properties | 75 +- pdf.js/locale/ff/viewer.properties | 12 +- pdf.js/locale/fi/viewer.properties | 4 + pdf.js/locale/fr/viewer.properties | 6 +- pdf.js/locale/fy-NL/viewer.properties | 22 +- pdf.js/locale/ga-IE/viewer.properties | 12 +- pdf.js/locale/gd/viewer.properties | 12 +- pdf.js/locale/gl/viewer.properties | 77 +- pdf.js/locale/gu-IN/viewer.properties | 180 +- pdf.js/locale/he/viewer.properties | 31 +- pdf.js/locale/hi-IN/viewer.properties | 50 +- pdf.js/locale/hr/viewer.properties | 12 +- pdf.js/locale/hu/viewer.properties | 14 +- pdf.js/locale/hy-AM/viewer.properties | 16 +- pdf.js/locale/id/viewer.properties | 30 +- pdf.js/locale/is/viewer.properties | 12 +- pdf.js/locale/it/viewer.properties | 6 +- pdf.js/locale/ja/viewer.properties | 56 +- pdf.js/locale/ka/viewer.properties | 84 +- pdf.js/locale/kk/viewer.properties | 12 +- pdf.js/locale/km/viewer.properties | 12 +- pdf.js/locale/kn/viewer.properties | 12 +- pdf.js/locale/ko/viewer.properties | 18 +- pdf.js/locale/ku/viewer.properties | 10 +- pdf.js/locale/lg/viewer.properties | 8 + pdf.js/locale/lij/viewer.properties | 186 +- pdf.js/locale/lt/viewer.properties | 12 +- pdf.js/locale/lv/viewer.properties | 153 +- pdf.js/locale/mai/viewer.properties | 52 + pdf.js/locale/ml/viewer.properties | 12 +- pdf.js/locale/mn/viewer.properties | 16 +- pdf.js/locale/mr/viewer.properties | 12 +- pdf.js/locale/ms/viewer.properties | 10 +- pdf.js/locale/my/viewer.properties | 12 +- pdf.js/locale/nb-NO/viewer.properties | 4 + pdf.js/locale/nl/viewer.properties | 12 +- pdf.js/locale/nn-NO/viewer.properties | 18 +- pdf.js/locale/nso/viewer.properties | 34 +- pdf.js/locale/oc/viewer.properties | 12 +- pdf.js/locale/or/viewer.properties | 11 +- pdf.js/locale/pa-IN/viewer.properties | 30 +- pdf.js/locale/pl/viewer.properties | 17 +- pdf.js/locale/pt-BR/viewer.properties | 20 +- pdf.js/locale/pt-PT/viewer.properties | 34 +- pdf.js/locale/rm/viewer.properties | 20 +- pdf.js/locale/ro/viewer.properties | 44 +- pdf.js/locale/ru/viewer.properties | 4 +- pdf.js/locale/rw/viewer.properties | 80 +- pdf.js/locale/sah/viewer.properties | 51 +- pdf.js/locale/si/viewer.properties | 10 + pdf.js/locale/sk/viewer.properties | 10 + pdf.js/locale/sl/viewer.properties | 14 +- pdf.js/locale/son/viewer.properties | 14 +- pdf.js/locale/sq/viewer.properties | 14 +- pdf.js/locale/sr/viewer.properties | 16 +- pdf.js/locale/sv-SE/viewer.properties | 12 +- pdf.js/locale/sw/viewer.properties | 8 + pdf.js/locale/ta-LK/viewer.properties | 8 + pdf.js/locale/ta/viewer.properties | 12 +- pdf.js/locale/te/viewer.properties | 12 +- pdf.js/locale/th/viewer.properties | 14 +- pdf.js/locale/tl/viewer.properties | 19 +- pdf.js/locale/tn/viewer.properties | 11 + pdf.js/locale/tr/viewer.properties | 14 +- pdf.js/locale/uk/viewer.properties | 18 +- pdf.js/locale/ur/viewer.properties | 18 +- pdf.js/locale/vi/viewer.properties | 68 +- pdf.js/locale/wo/viewer.properties | 8 + pdf.js/locale/xh/viewer.properties | 14 +- pdf.js/locale/zh-CN/viewer.properties | 12 +- pdf.js/locale/zh-TW/viewer.properties | 15 +- pdf.js/locale/zu/viewer.properties | 34 +- pdf.js/pdf.js | 11436 ++-- pdf.js/pdf.worker.js | 58913 +++++++++--------- pdf.js/viewer.css | 369 +- pdf.js/viewer.js | 6425 +- 114 files changed, 43300 insertions(+), 36715 deletions(-) create mode 100644 pdf.js/images/treeitem-collapsed-rtl.png create mode 100644 pdf.js/images/treeitem-collapsed-rtl@2x.png create mode 100644 pdf.js/images/treeitem-collapsed.png create mode 100644 pdf.js/images/treeitem-collapsed@2x.png create mode 100644 pdf.js/images/treeitem-expanded.png create mode 100644 pdf.js/images/treeitem-expanded@2x.png diff --git a/pdf.js/compatibility.js b/pdf.js/compatibility.js index 967e312..1119a27 100644 --- a/pdf.js/compatibility.js +++ b/pdf.js/compatibility.js @@ -1,5 +1,3 @@ -/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ /* Copyright 2012 Mozilla Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -447,20 +445,10 @@ if (typeof PDFJS === 'undefined') { // Checks if navigator.language is supported (function checkNavigatorLanguage() { - if ('language' in navigator && - /^[a-z]+(-[A-Z]+)?$/.test(navigator.language)) { + if ('language' in navigator) { return; } - function formatLocale(locale) { - var split = locale.split(/[-_]/); - split[0] = split[0].toLowerCase(); - if (split.length > 1) { - split[1] = split[1].toUpperCase(); - } - return split.join('-'); - } - var language = navigator.language || navigator.userLanguage || 'en-US'; - PDFJS.locale = formatLocale(language); + PDFJS.locale = navigator.userLanguage || 'en-US'; })(); (function checkRangeRequests() { @@ -479,7 +467,10 @@ if (typeof PDFJS === 'undefined') { var regex = /Android\s[0-2][^\d]/; var isOldAndroid = regex.test(navigator.userAgent); - if (isSafari || isOldAndroid) { + // Range requests are broken in Chrome 39 and 40, https://crbug.com/442318 + var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(navigator.userAgent); + + if (isSafari || isOldAndroid || isChromeWithRangeBug) { PDFJS.disableRange = true; PDFJS.disableStream = true; } @@ -529,9 +520,9 @@ if (typeof PDFJS === 'undefined') { if (polyfill) { var contextPrototype = window.CanvasRenderingContext2D.prototype; - contextPrototype._createImageData = contextPrototype.createImageData; + var createImageData = contextPrototype.createImageData; contextPrototype.createImageData = function(w, h) { - var imageData = this._createImageData(w, h); + var imageData = createImageData.call(this, w, h); imageData.data.set = function(arr) { for (var i = 0, ii = this.length; i < ii; i++) { this[i] = arr[i]; @@ -539,6 +530,8 @@ if (typeof PDFJS === 'undefined') { }; return imageData; }; + // this closure will be kept referenced, so clear its vars + contextPrototype = null; } } })(); @@ -572,3 +565,29 @@ if (typeof PDFJS === 'undefined') { PDFJS.maxCanvasPixels = 5242880; } })(); + +// Disable fullscreen support for certain problematic configurations. +// Support: IE11+ (when embedded). +(function checkFullscreenSupport() { + var isEmbeddedIE = (navigator.userAgent.indexOf('Trident') >= 0 && + window.parent !== window); + if (isEmbeddedIE) { + PDFJS.disableFullscreen = true; + } +})(); + +// Provides document.currentScript support +// Support: IE, Chrome<29. +(function checkCurrentScript() { + if ('currentScript' in document) { + return; + } + Object.defineProperty(document, 'currentScript', { + get: function () { + var scripts = document.getElementsByTagName('script'); + return scripts[scripts.length - 1]; + }, + enumerable: true, + configurable: true + }); +})(); diff --git a/pdf.js/debugger.js b/pdf.js/debugger.js index a9d173b..9c35b63 100644 --- a/pdf.js/debugger.js +++ b/pdf.js/debugger.js @@ -1,5 +1,3 @@ -/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ /* Copyright 2012 Mozilla Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -124,8 +122,8 @@ var FontInspector = (function FontInspectorClosure() { url = URL.createObjectURL(new Blob([fontObj.data], { type: fontObj.mimeType })); + download.href = url; } - download.href = url; download.textContent = 'Download'; var logIt = document.createElement('a'); logIt.href = ''; diff --git a/pdf.js/images/treeitem-collapsed-rtl.png b/pdf.js/images/treeitem-collapsed-rtl.png new file mode 100644 index 0000000000000000000000000000000000000000..1c8b9f7010cae8edd6ca3a1146c6f07f68f5931e GIT binary patch literal 183 zcmeAS@N?(olHy`uVBq!ia0vp^oFL4>0wld=oSO}#SkfJR9T^xl_H+M9WCik>lDyqr z82-2SpV<%Ov6p!Iy0YKrWaF2XJ+}I0Cs4@O)5S4_<9c#}1C#!gI3K5HU3*qk7JfP^ zDKY)8>!ogI{c{Zp9jCt>`hHZ5LtHJS<$+UcLsOsrwZ)u_tda3Y_T1=KVi6Oo2<%Hy cUbUNH=6`p$$8L6yfCe*oy85}Sb4q9e0CZwJr2qf` literal 0 HcmV?d00001 diff --git a/pdf.js/images/treeitem-collapsed-rtl@2x.png b/pdf.js/images/treeitem-collapsed-rtl@2x.png new file mode 100644 index 0000000000000000000000000000000000000000..84279368d985d74ba324ea3433b08ea5974bcc62 GIT binary patch literal 205 zcmeAS@N?(olHy`uVBq!ia0vp^LLkh+0wn(&ce?|mSkfJR9T^xl_H+M9WCik>lDyqr z82-2SpV<%Ov6p!Iy0YKrWaF2XJ+}I0Cr~Ka)5S4F<9u?$0p>W5{V$RatZw-0daHY} z{<#OiNxzd0cN;5o92e?flIcpA_8_oj153M7i1!AKLt9v!1$YfeZs0{*8S1d;7*d)WUfO=0=x|MWgTe~DWM4fAaX}J literal 0 HcmV?d00001 diff --git a/pdf.js/images/treeitem-collapsed.png b/pdf.js/images/treeitem-collapsed.png new file mode 100644 index 0000000000000000000000000000000000000000..06d4d3769672390920ddd9d423f52d7908fcfb36 GIT binary patch literal 128 zcmeAS@N?(olHy`uVBq!ia0vp^oFL4>0wld=oSO}#+&x_!LpZJ{CnQuDzHAj@)~YCc zcJ!pUslH1WIk z$<$8#)-<<4$>7e1Lt^WdBv>MS0tC+_?dkdu(KF##vY``K|4|Ok95LarEgxHDk6!z_ xe}ZGN#WGb9Hnl@SJ`EdME-hi&#=_6Qka7RV*Qd`VTY>g4c)I$ztaD0e0sz~DGV1^U literal 0 HcmV?d00001 diff --git a/pdf.js/images/treeitem-expanded.png b/pdf.js/images/treeitem-expanded.png new file mode 100644 index 0000000000000000000000000000000000000000..c8d557351cd2fc80c3abd4b19e52924cd74780d5 GIT binary patch literal 125 zcmeAS@N?(olHy`uVBq!ia0vp^oFL4>0wld=oSO}#Ts&PILn;`P75MhNs4Zk;-DbE) zpt_L5GvPZo^g4)z4*}Q$iB}$ABb+ literal 0 HcmV?d00001 diff --git a/pdf.js/images/treeitem-expanded@2x.png b/pdf.js/images/treeitem-expanded@2x.png new file mode 100644 index 0000000000000000000000000000000000000000..3b3b6103b356200d05caf7fa692cadf2c1e89043 GIT binary patch literal 172 zcmeAS@N?(olHy`uVBq!ia0vp^LLkh+0wn(&ce?|mialK%Ln;`P7Z_I 0) { // an attribute has been specified - id = key.substring(0, index); - prop = key.substr(index + 1); - } else { // no attribute: assuming text content by default - id = key; - prop = gTextProp; + // find attribute descriptions, if any + for (var key in data) { + var id, prop, index = key.lastIndexOf('.'); + if (index > 0) { // an attribute has been specified + id = key.substring(0, index); + prop = key.substr(index + 1); + } else { // no attribute: assuming text content by default + id = key; + prop = gTextProp; + } + if (!gL10nData[id]) { + gL10nData[id] = {}; + } + gL10nData[id][prop] = data[key]; } - if (!gL10nData[id]) { - gL10nData[id] = {}; - } - gL10nData[id][prop] = data[key]; - } - // trigger callback - if (successCallback) { - successCallback(); - } - }, failureCallback, gAsyncResourceLoading); + // trigger callback + if (successCallback) { + successCallback(); + } + }); + }, failureCallback); } // load and parse all resources for the specified locale function loadLocale(lang, callback) { + // RFC 4646, section 2.1 states that language tags have to be treated as + // case-insensitive. Convert to lowercase for case-insensitive comparisons. + if (lang) { + lang = lang.toLowerCase(); + } + callback = callback || function _callback() {}; clear(); @@ -282,7 +306,19 @@ document.webL10n = (function(window, document, undefined) { var dict = getL10nDictionary(); if (dict && dict.locales && dict.default_locale) { console.log('using the embedded JSON directory, early way out'); - gL10nData = dict.locales[lang] || dict.locales[dict.default_locale]; + gL10nData = dict.locales[lang]; + if (!gL10nData) { + var defaultLocale = dict.default_locale.toLowerCase(); + for (var anyCaseLang in dict.locales) { + anyCaseLang = anyCaseLang.toLowerCase(); + if (anyCaseLang === lang) { + gL10nData = dict.locales[lang]; + break; + } else if (anyCaseLang === defaultLocale) { + gL10nData = dict.locales[defaultLocale]; + } + } + } callback(); } else { console.log('no resource to load, early way out'); @@ -308,24 +344,23 @@ document.webL10n = (function(window, document, undefined) { // load all resource files function L10nResourceLink(link) { var href = link.href; - var type = link.type; + // Note: If |gAsyncResourceLoading| is false, then the following callbacks + // are synchronously called. this.load = function(lang, callback) { - var applied = lang; parseResource(href, lang, callback, function() { console.warn(href + ' not found.'); - applied = ''; + // lang not found, used default resource instead + console.warn('"' + lang + '" resource not found'); + gLanguage = ''; + // Resource not loaded, but we still need to call the callback. + callback(); }); - return applied; // return lang if found, an empty string if not found }; } for (var i = 0; i < langCount; i++) { var resource = new L10nResourceLink(langLinks[i]); - var rv = resource.load(lang, onResourceLoaded); - if (rv != lang) { // lang not found, used default resource instead - console.warn('"' + lang + '" resource not found'); - gLanguage = ''; - } + resource.load(lang, onResourceLoaded); } } @@ -841,28 +876,17 @@ document.webL10n = (function(window, document, undefined) { // replace {{arguments}} with their values function substArguments(str, args, key) { - var reArgs = /\{\{\s*(.+?)\s*\}\}/; - var match = reArgs.exec(str); - while (match) { - if (!match || match.length < 2) - return str; // argument key not found - - var arg = match[1]; - var sub = ''; + var reArgs = /\{\{\s*(.+?)\s*\}\}/g; + return str.replace(reArgs, function(matched_text, arg) { if (args && arg in args) { - sub = args[arg]; - } else if (arg in gL10nData) { - sub = gL10nData[arg][gTextProp]; - } else { - console.log('argument {{' + arg + '}} for #' + key + ' is undefined.'); - return str; + return args[arg]; } - - str = str.substring(0, match.index) + sub + - str.substr(match.index + match[0].length); - match = reArgs.exec(str); - } - return str; + if (arg in gL10nData) { + return gL10nData[arg]; + } + console.log('argument {{' + arg + '}} for #' + key + ' is undefined.'); + return matched_text; + }); } // translate an HTML element @@ -942,7 +966,6 @@ document.webL10n = (function(window, document, undefined) { translateElement(element); } - // cross-browser API (sorry, oldIE doesn't support getters & setters) return { // get a localized string get: function(key, args, fallbackString) { @@ -970,14 +993,21 @@ document.webL10n = (function(window, document, undefined) { // get|set the document language getLanguage: function() { return gLanguage; }, - setLanguage: function(lang) { loadLocale(lang, translateFragment); }, + setLanguage: function(lang, callback) { + loadLocale(lang, function() { + if (callback) + callback(); + translateFragment(); + }); + }, // get the direction (ltr|rtl) of the current language getDirection: function() { // http://www.w3.org/International/questions/qa-scripts // Arabic, Hebrew, Farsi, Pashto, Urdu var rtlList = ['ar', 'he', 'fa', 'ps', 'ur']; - return (rtlList.indexOf(gLanguage) >= 0) ? 'rtl' : 'ltr'; + var shortCode = gLanguage.split('-', 1)[0]; + return (rtlList.indexOf(shortCode) >= 0) ? 'rtl' : 'ltr'; }, // translate an element or document fragment @@ -989,14 +1019,13 @@ document.webL10n = (function(window, document, undefined) { if (!callback) { return; } else if (gReadyState == 'complete' || gReadyState == 'interactive') { - window.setTimeout(callback); + window.setTimeout(function() { + callback(); + }); } else if (document.addEventListener) { - document.addEventListener('localized', callback); - } else if (document.attachEvent) { - document.documentElement.attachEvent('onpropertychange', function(e) { - if (e.propertyName === 'localized') { - callback(); - } + document.addEventListener('localized', function once() { + document.removeEventListener('localized', once); + callback(); }); } } diff --git a/pdf.js/locale/ach/viewer.properties b/pdf.js/locale/ach/viewer.properties index 829adbd..50747b6 100644 --- a/pdf.js/locale/ach/viewer.properties +++ b/pdf.js/locale/ach/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Jami me gin acoya… document_properties_label=Jami me gin acoya… document_properties_file_name=Nying pwail: document_properties_file_size=Dit pa pwail: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Wiye: document_properties_author=Ngat mucoyo: @@ -75,6 +79,8 @@ document_properties_subject=Lok: document_properties_keywords=Lok mapire tek: document_properties_creation_date=Nino dwe me cwec: document_properties_modification_date=Nino dwe me yub: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Lacwec: document_properties_producer=Layub PDF: @@ -140,12 +146,16 @@ page_scale_width=Lac me iye pot buk page_scale_fit=Porre me pot buk page_scale_auto=Kwot pire kene page_scale_actual=Dite kikome +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Bal loading_error=Bal otime kun cano PDF. invalid_file_error=Pwail me PDF ma pe atir onyo obale woko. missing_file_error=Pwail me PDF tye ka rem. +unexpected_response_error=Lagam mape kigeno pa lapok tic. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Juk printing_not_supported=Ciko: Layeny ma pe teno goyo liweng. printing_not_ready=Ciko: PDF pe ocane weng me agoya. web_fonts_disabled=Kijuko dit pa coc me kakube woko: pe romo tic ki dit pa coc me PDF ma kiketo i kine. -document_colors_disabled=Pe ki ye ki gin acoya me PDF me tic ki rangi gi kengi: 'Ye pot buk me yero rangi mamegi kengi' kijuko woko i layeny. +document_colors_not_allowed=Pe ki ye ki gin acoya me PDF me tic ki rangi gi kengi: 'Ye pot buk me yero rangi mamegi kengi' kijuko woko i layeny. diff --git a/pdf.js/locale/af/viewer.properties b/pdf.js/locale/af/viewer.properties index 5bda09b..052413d 100644 --- a/pdf.js/locale/af/viewer.properties +++ b/pdf.js/locale/af/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Dokumenteienskappe… document_properties_label=Dokumenteienskappe… document_properties_file_name=Lêernaam: document_properties_file_size=Lêergrootte: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} kG ({{size_b}} grepe) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MG ({{size_b}} grepe) document_properties_title=Titel: document_properties_author=Outeur: @@ -75,6 +79,8 @@ document_properties_subject=Onderwerp: document_properties_keywords=Sleutelwoorde: document_properties_creation_date=Skeppingsdatum: document_properties_modification_date=Wysigingsdatum: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Skepper: document_properties_producer=PDF-vervaardiger: @@ -140,12 +146,16 @@ page_scale_width=Bladsywydte page_scale_fit=Pas bladsy page_scale_auto=Outomatiese zoem page_scale_actual=Werklike grootte +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Fout loading_error='n Fout het voorgekom met die laai van die PDF. invalid_file_error=Ongeldige of korrupte PDF-lêer. missing_file_error=PDF-lêer is weg. +unexpected_response_error=Onverwagse antwoord van bediener. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Kanselleer printing_not_supported=Waarskuwing: Dié blaaier ondersteun nie drukwerk ten volle nie. printing_not_ready=Waarskuwing: Die PDF is nog nie volledig gelaai vir drukwerk nie. web_fonts_disabled=Webfonte is gedeaktiveer: kan nie PDF-fonte wat ingebed is, gebruik nie. -document_colors_disabled=PDF-dokumente word nie toegelaat om hul eie kleure te gebruik nie: 'Laat bladsye toe om hul eie kleure te kies' is gedeaktiveer in die blaaier. +document_colors_not_allowed=PDF-dokumente word nie toegelaat om hul eie kleure te gebruik nie: 'Laat bladsye toe om hul eie kleure te kies' is gedeaktiveer in die blaaier. diff --git a/pdf.js/locale/ak/viewer.properties b/pdf.js/locale/ak/viewer.properties index 883c2ab..83eacd6 100644 --- a/pdf.js/locale/ak/viewer.properties +++ b/pdf.js/locale/ak/viewer.properties @@ -45,7 +45,13 @@ bookmark_label=Seisei nhwɛ # Document properties dialog box +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_title=Ti asɛm: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -102,6 +108,8 @@ page_scale_width=Krataafa tɛtrɛtɛ page_scale_fit=Krataafa ehimtwa page_scale_auto=Zuum otomatik page_scale_actual=Kɛseyɛ ankasa +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Mfomso @@ -120,4 +128,4 @@ password_cancel=Twa-mu printing_not_supported=Kɔkɔbɔ: Brawsa yi nnhyɛ daa mma prent ho kwan. printing_not_ready=Kɔkɔbɔ: Wɔnntwee PDF fael no nyinara mmbaee ama wo ɛ tumi aprente. web_fonts_disabled=Ɔedum wɛb-mfɔnt: nntumi mmfa PDF mfɔnt a wɔhyɛ mu nndi dwuma. -document_colors_disabled=Wɔmma ho kwan sɛ PDF adɔkomɛnt de wɔn ara wɔn ahosu bɛdi dwuma: wɔ adum 'Ma ho kwan ma nkrataafa mpaw wɔn ara wɔn ahosu' wɔ brawsa yi mu. +document_colors_not_allowed=Wɔmma ho kwan sɛ PDF adɔkomɛnt de wɔn ara wɔn ahosu bɛdi dwuma: wɔ adum 'Ma ho kwan ma nkrataafa mpaw wɔn ara wɔn ahosu' wɔ brawsa yi mu. diff --git a/pdf.js/locale/an/viewer.properties b/pdf.js/locale/an/viewer.properties index dc61077..ad26285 100644 --- a/pdf.js/locale/an/viewer.properties +++ b/pdf.js/locale/an/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Propiedatz d'o documento... document_properties_label=Propiedatz d'o documento... document_properties_file_name=Nombre de fichero: document_properties_file_size=Grandaria d'o fichero: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Titol: document_properties_author=Autor: @@ -75,6 +79,8 @@ document_properties_subject=Afer: document_properties_keywords=Parolas clau: document_properties_creation_date=Calendata de creyación: document_properties_modification_date=Calendata de modificación: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Creyador: document_properties_producer=Creyador de PDF: @@ -140,12 +146,16 @@ page_scale_width=Amplaria d'a pachina page_scale_fit=Achuste d'a pachina page_scale_auto=Grandaria automatica page_scale_actual=Grandaria actual +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Error loading_error=S'ha produciu una error en cargar o PDF. invalid_file_error=O PDF no ye valido u ye estorbau. missing_file_error=No i ha fichero PDF. +unexpected_response_error=Respuesta a lo servicio inasperada. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Cancelar printing_not_supported=Pare cuenta: Iste navegador no maneya totalment as impresions. printing_not_ready=Aviso: Encara no se ha cargau completament o PDF ta imprentar-lo. web_fonts_disabled=As fuents web son desactivadas: no se puet incrustar fichers PDF. -document_colors_disabled=Os documentos PDF no pueden fer servir as suyas propias colors: 'Permitir que as pachinas triguen as suyas propias colors' ye desactivau en o navegador. +document_colors_not_allowed=Os documentos PDF no pueden fer servir as suyas propias colors: 'Permitir que as pachinas triguen as suyas propias colors' ye desactivau en o navegador. diff --git a/pdf.js/locale/ar/viewer.properties b/pdf.js/locale/ar/viewer.properties index 949b656..3dd50c8 100644 --- a/pdf.js/locale/ar/viewer.properties +++ b/pdf.js/locale/ar/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=خصائص المستند… document_properties_label=خصائص المستند… document_properties_file_name=اسم الملف: document_properties_file_size=حجم الملف: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} ك.بايت ({{size_b}} بايت) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} م.بايت ({{size_b}} بايت) document_properties_title=العنوان: document_properties_author=المؤلف: @@ -75,6 +79,8 @@ document_properties_subject=الموضوع: document_properties_keywords=الكلمات الأساسية: document_properties_creation_date=تاريخ الإنشاء: document_properties_modification_date=تاريخ التعديل: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}، {{time}} document_properties_creator=المنشئ: document_properties_producer=منتج PDF: @@ -140,12 +146,16 @@ page_scale_width=عرض الصفحة page_scale_fit=ملائمة الصفحة page_scale_auto=تقريب تلقائي page_scale_actual=الحجم الحقيقي +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}٪ # Loading indicator messages loading_error_indicator=عطل loading_error=حدث عطل أثناء تحميل ملف PDF. -invalid_file_error=ملف PDF تالف أو غير صحيح -missing_file_error=ملف PDF غير موجود +invalid_file_error=ملف PDF تالف أو غير صحيح. +missing_file_error=ملف PDF غير موجود. +unexpected_response_error=استجابة خادوم غير متوقعة. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=ألغِ printing_not_supported=تحذير: لا يدعم هذا المتصفح الطباعة بشكل كامل. printing_not_ready=تحذير: ملف PDF لم يُحمّل كاملًا للطباعة. web_fonts_disabled=خطوط الوب مُعطّلة: تعذّر استخدام خطوط PDF المُضمّنة. -document_colors_disabled=ليس مسموحًا لملفات PDF باستخدام ألوانها الخاصة: خيار 'اسمح للصفحات باختيار ألوانها الخاصة' ليس مُفعّلًا في المتصفح. +document_colors_not_allowed=ليس مسموحًا لملفات PDF باستخدام ألوانها الخاصة: خيار 'اسمح للصفحات باختيار ألوانها الخاصة' ليس مُفعّلًا في المتصفح. diff --git a/pdf.js/locale/as/viewer.properties b/pdf.js/locale/as/viewer.properties index 852ad03..58ccd84 100644 --- a/pdf.js/locale/as/viewer.properties +++ b/pdf.js/locale/as/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=দস্তাবেজৰ বৈশিষ্ট্ document_properties_label=দস্তাবেজৰ বৈশিষ্ট্যসমূহ… document_properties_file_name=ফাইল নাম: document_properties_file_size=ফাইলৰ আকাৰ: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=শীৰ্ষক: document_properties_author=লেখক: @@ -75,6 +79,8 @@ document_properties_subject=বিষয়: document_properties_keywords=কিৱাৰ্ডসমূহ: document_properties_creation_date=সৃষ্টিৰ তাৰিখ: document_properties_modification_date=পৰিবৰ্তনৰ তাৰিখ: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=সৃষ্টিকৰ্তা: document_properties_producer=PDF উৎপাদক: @@ -140,12 +146,15 @@ page_scale_width=পৃষ্ঠাৰ প্ৰস্থ page_scale_fit=পৃষ্ঠা খাপ page_scale_auto=স্বচালিত জুম page_scale_actual=প্ৰকৃত আকাৰ +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=ত্ৰুটি loading_error=PDF ল'ড কৰোতে এটা ত্ৰুটি দেখা দিলে। invalid_file_error=অবৈধ অথবা ক্ষতিগ্ৰস্থ PDF file। missing_file_error=সন্ধানহিন PDF ফাইল। +unexpected_response_error=অপ্ৰত্যাশিত চাৰ্ভাৰ প্ৰতিক্ৰিয়া। # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +169,4 @@ password_cancel=বাতিল কৰক printing_not_supported=সতৰ্কবাৰ্তা: প্ৰিন্টিং এই ব্ৰাউছাৰ দ্বাৰা সম্পূৰ্ণভাৱে সমৰ্থিত নহয়। printing_not_ready=সতৰ্কবাৰ্তা: PDF প্ৰিন্টিংৰ বাবে সম্পূৰ্ণভাৱে ল'ডেড নহয়। web_fonts_disabled=ৱেব ফন্টসমূহ অসামৰ্থবান কৰা আছে: অন্তৰ্ভুক্ত PDF ফন্টসমূহ ব্যৱহাৰ কৰিবলে অক্ষম। -document_colors_disabled=PDF দস্তাবেজসমূহৰ সিহতৰ নিজস্ব ৰঙ ব্যৱহাৰ কৰাৰ অনুমতি নাই: ব্ৰাউছাৰত 'পৃষ্ঠাসমূহক সিহতৰ নিজস্ব ৰঙ নিৰ্বাচন কৰাৰ অনুমতি দিয়ক' অসামৰ্থবান কৰা আছে। +document_colors_not_allowed=PDF দস্তাবেজসমূহৰ সিহতৰ নিজস্ব ৰঙ ব্যৱহাৰ কৰাৰ অনুমতি নাই: ব্ৰাউছাৰত 'পৃষ্ঠাসমূহক সিহতৰ নিজস্ব ৰঙ নিৰ্বাচন কৰাৰ অনুমতি দিয়ক' অসামৰ্থবান কৰা আছে। diff --git a/pdf.js/locale/ast/viewer.properties b/pdf.js/locale/ast/viewer.properties index fd5fb11..2346c54 100644 --- a/pdf.js/locale/ast/viewer.properties +++ b/pdf.js/locale/ast/viewer.properties @@ -105,3 +105,7 @@ document_properties_creation_date = Data de creación: document_properties_close = Zarrar document_properties_author = Autor: document_properties.title = Propiedaes del documentu… +attachments_label = Axuntos +attachments.title = Amosar axuntos +unexpected_response_error = Rempuesta inesperada del sirvidor. +page_scale_percent = {{scale}}% diff --git a/pdf.js/locale/az/viewer.properties b/pdf.js/locale/az/viewer.properties index c9bea3b..b998838 100644 --- a/pdf.js/locale/az/viewer.properties +++ b/pdf.js/locale/az/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Sənəd xüsusiyyətləri… document_properties_label=Sənəd xüsusiyyətləri… document_properties_file_name=Fayl adı: document_properties_file_size=Fayl ölçüsü: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bayt) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bayt) document_properties_title=Başlık: document_properties_author=Müəllif: @@ -75,6 +79,8 @@ document_properties_subject=Mövzu: document_properties_keywords=Açar sözlər: document_properties_creation_date=Yaradılış Tarixi : document_properties_modification_date=Dəyişdirilmə Tarixi : +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Yaradan: document_properties_producer=PDF yaradıcısı: @@ -94,7 +100,7 @@ attachments_label=Bağlamalar thumbs.title=Kiçik şəkilləri göstər thumbs_label=Kiçik şəkillər findbar.title=Sənəddə Tap -findbar_label=Axtar +findbar_label=Tap # Thumbnails panel item (tooltip and alt text for images) # LOCALIZATION NOTE (thumb_page_title): "{{page}}" will be replaced by the page @@ -140,12 +146,16 @@ page_scale_width=Səhifə genişliyi page_scale_fit=Səhifəni sığdır page_scale_auto=Avtomatik yaxınlaşdır page_scale_actual=Hazırki Həcm +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Səhv loading_error=PDF yüklenərkən bir səhv yarandı. invalid_file_error=Səhv və ya zədələnmiş olmuş PDF fayl. missing_file_error=PDF fayl yoxdur. +unexpected_response_error=Gözlənilməz server cavabı. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Ləğv et printing_not_supported=Xəbərdarlıq: Çap bu səyyah tərəfindən tam olaraq dəstəklənmir. printing_not_ready=Xəbərdarlıq: PDF çap üçün tam yüklənməyib. web_fonts_disabled=Web Şriftlər söndürülüb: yerləşdirilmiş PDF şriftlərini istifadə etmək mümkün deyil. -document_colors_disabled=PDF sənədlərə öz rənglərini işlətməyə icazə verilmir: 'Səhifələrə öz rənglərini istifadə etməyə icazə vermə' səyyahda söndürülüb. +document_colors_not_allowed=PDF sənədlərə öz rənglərini işlətməyə icazə verilmir: 'Səhifələrə öz rənglərini istifadə etməyə icazə vermə' səyyahda söndürülüb. diff --git a/pdf.js/locale/bg/viewer.properties b/pdf.js/locale/bg/viewer.properties index 8681774..576cb56 100644 --- a/pdf.js/locale/bg/viewer.properties +++ b/pdf.js/locale/bg/viewer.properties @@ -57,24 +57,30 @@ page_rotate_ccw.title=Превъртане обратно на часовник page_rotate_ccw.label=Превъртане обратно на часовниковата стрелка page_rotate_ccw_label=Превъртане обратно на часовниковата стрелка -hand_tool_enable.title=Активиране на инструмента ръка -hand_tool_enable_label=Активиране на инструмента ръка -hand_tool_disable.title=Деактивиране на инструмента ръка -hand_tool_disable_label=Деактивиране на инструмента ръка +hand_tool_enable.title=Включване на инструмента ръка +hand_tool_enable_label=Включване на инструмента ръка +hand_tool_disable.title=Изключване на инструмента ръка +hand_tool_disable_label=Изключване на инструмента ръка # Document properties dialog box document_properties.title=Свойства на документа… document_properties_label=Свойства на документа… document_properties_file_name=Име на файл: document_properties_file_size=Големина на файл: -document_properties_kb={{size_kb}} KiB ({{size_b}} bytes) -document_properties_mb={{size_mb}} MiB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +document_properties_kb={{size_kb}} КБ ({{size_b}} байта) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} МБ ({{size_b}} байта) document_properties_title=Заглавие: document_properties_author=Автор: document_properties_subject=Тема: document_properties_keywords=Ключови думи: document_properties_creation_date=Дата на създаване: document_properties_modification_date=Дата на промяна: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Създател: document_properties_producer=PDF произведен от: @@ -112,8 +118,8 @@ find_next.title=Намиране на следващото споменаван find_next_label=Следваща find_highlight=Маркирай всички find_match_case_label=Точно съвпадения -find_reached_top=Достигнато е началото на документа. Търсенето ще продължи до края му. -find_reached_bottom=Достигнат е края на документа. Търсенето ще продължи от началото му. +find_reached_top=Достигнато е началото на документа, продължаване от края +find_reached_bottom=Достигнат е краят на документа, продължаване от началото find_not_found=Фразата не е намерена # Error panel labels @@ -140,12 +146,16 @@ page_scale_width=Ширина на страницата page_scale_fit=Вместване в страницата page_scale_auto=Автоматично мащабиране page_scale_actual=Действителен размер +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Грешка loading_error=Получи се грешка при зареждане на PDF-а. -invalid_file_error=Невалиден или повреден PDF файл +invalid_file_error=Невалиден или повреден PDF файл. missing_file_error=Липсващ PDF файл. +unexpected_response_error=Неочакван отговор от сървъра. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Отказ printing_not_supported=Внимание: Този браузър няма пълна поддръжка на отпечатване. printing_not_ready=Внимание: Този PDF файл не е напълно зареден за печат. web_fonts_disabled=Уеб-шрифтовете са забранени: разрешаване на използването на вградените PDF шрифтове. -document_colors_disabled=На PDF-документите не е разрешено да използват собствени цветове: „Разрешаване на страниците да избират собствени цветове“ е деактивирано в браузъра. +document_colors_not_allowed=На PDF-документите не е разрешено да използват собствени цветове: „Разрешаване на страниците да избират собствени цветове“ е изключено в браузъра. diff --git a/pdf.js/locale/bn-BD/viewer.properties b/pdf.js/locale/bn-BD/viewer.properties index 6577a36..b5e3048 100644 --- a/pdf.js/locale/bn-BD/viewer.properties +++ b/pdf.js/locale/bn-BD/viewer.properties @@ -57,9 +57,36 @@ page_rotate_ccw.title=ঘড়ির কাঁটার বিপরীতে page_rotate_ccw.label=ঘড়ির কাঁটার বিপরীতে ঘোরাও page_rotate_ccw_label=ঘড়ির কাঁটার বিপরীতে ঘোরাও +hand_tool_enable.title=হ্যান্ড টুল সক্রিয় করুন +hand_tool_enable_label=হ্যান্ড টুল সক্রিয় করুন +hand_tool_disable.title=হ্যান্ড টুল নিস্ক্রিয় করুন +hand_tool_disable_label=হ্যান্ড টুল নিস্ক্রিয় করুন # Document properties dialog box +document_properties.title=নথি বৈশিষ্ট্য… +document_properties_label=নথি বৈশিষ্ট্য… +document_properties_file_name=ফাইলের নাম: +document_properties_file_size=ফাইলের আকার: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +document_properties_kb={{size_kb}} কেবি ({{size_b}} বাইট) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} এমবি ({{size_b}} বাইট) document_properties_title=শিরোনাম: +document_properties_author=লেখক: +document_properties_subject=বিষয়: +document_properties_keywords=কীওয়ার্ড: +document_properties_creation_date=তৈরির তারিখ: +document_properties_modification_date=পরিবর্তনের তারিখ: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. +document_properties_date_string={{date}}, {{time}} +document_properties_creator=প্রস্তুতকারক: +document_properties_producer=পিডিএফ প্রস্তুতকারক: +document_properties_version=পিডিএফ সংষ্করণ: +document_properties_page_count=মোট পাতা: +document_properties_close=বন্ধ # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -68,6 +95,8 @@ toggle_sidebar.title=সাইডবার টগল করুন toggle_sidebar_label=সাইডবার টগল করুন outline.title=নথির রূপরেখা প্রদর্শন করুন outline_label=নথির রূপরেখা +attachments.title=সংযুক্তি দেখাও +attachments_label=সংযুক্তি thumbs.title=থাম্বনেইল সমূহ প্রদর্শন করুন thumbs_label=থাম্বনেইল সমূহ findbar.title=নথির মধ্যে খুঁজুন @@ -96,6 +125,7 @@ find_not_found=বাক্যাংশ পাওয়া যায়নি # Error panel labels error_more_info=আরও তথ্য error_less_info=কম তথ্য +error_close=বন্ধ # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. error_version_info=PDF.js v{{version}} (build: {{build}}) @@ -116,12 +146,16 @@ page_scale_width=পৃষ্ঠার প্রস্থ page_scale_fit=পৃষ্ঠা ফিট করুন page_scale_auto=স্বয়ংক্রিয় জুম page_scale_actual=প্রকৃত আকার +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=ত্রুটি loading_error=পিডিএফ লোড করার সময় ত্রুটি দেখা দিয়েছে। invalid_file_error=অকার্যকর অথবা ক্ষতিগ্রস্ত পিডিএফ ফাইল। missing_file_error=পিডিএফ ফাইল পাওয়া যাচ্ছে না। +unexpected_response_error=অপ্রত্যাশীত সার্ভার প্রতিক্রিয়া। # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -136,4 +170,4 @@ password_cancel=বাতিল printing_not_supported=সতর্কতা: এই ব্রাউজারে মুদ্রণ সম্পূর্ণভাবে সমর্থিত নয়। printing_not_ready=সতর্কীকরণ: পিডিএফটি মুদ্রণের জন্য সম্পূর্ণ লোড হয়নি। web_fonts_disabled=ওয়েব ফন্ট নিষ্ক্রিয়: সংযুক্ত পিডিএফ ফন্ট ব্যবহার করা যাচ্ছে না। -document_colors_disabled=পিডিএফ ডকুমেন্টকে তাদের নিজস্ব রঙ ব্যবহারে অনুমতি নেই: 'পাতা তাদের নিজেস্ব রঙ নির্বাচন করতে অনুমতি দিন' এই ব্রাউজারে নিষ্ক্রিয় রয়েছে। +document_colors_not_allowed=পিডিএফ ডকুমেন্টকে তাদের নিজস্ব রঙ ব্যবহারে অনুমতি নেই: 'পাতা তাদের নিজেস্ব রঙ নির্বাচন করতে অনুমতি দিন' এই ব্রাউজারে নিষ্ক্রিয় রয়েছে। diff --git a/pdf.js/locale/bn-IN/viewer.properties b/pdf.js/locale/bn-IN/viewer.properties index 8bf265d..9aef9ff 100644 --- a/pdf.js/locale/bn-IN/viewer.properties +++ b/pdf.js/locale/bn-IN/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=নথির বৈশিষ্ট্য… document_properties_label=নথির বৈশিষ্ট্য… document_properties_file_name=ফাইলের নাম: document_properties_file_size=ফাইলের মাপ: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} মেগাবাইট ({{size_b}} bytes) document_properties_title=শিরোনাম: document_properties_author=লেখক: @@ -75,6 +79,8 @@ document_properties_subject=বিষয়: document_properties_keywords=নির্দেশক শব্দ: document_properties_creation_date=নির্মাণের তারিখ: document_properties_modification_date=পরিবর্তনের তারিখ: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=নির্মাতা: document_properties_producer=PDF নির্মাতা: @@ -140,12 +146,16 @@ page_scale_width=পৃষ্ঠার প্রস্থ অনুযায়ী page_scale_fit=পৃষ্ঠার মাপ অনুযায়ী page_scale_auto=স্বয়ংক্রিয় মাপ নির্ধারণ page_scale_actual=প্রকৃত মাপ +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=ত্রুটি loading_error=PDF লোড করার সময় সমস্যা দেখা দিয়েছে। invalid_file_error=অবৈধ বা ক্ষতিগ্রস্ত পিডিএফ ফাইল। missing_file_error=অনুপস্থিত PDF ফাইল +unexpected_response_error=সার্ভার থেকে অপ্রত্যাশিত সাড়া পাওয়া গেছে। # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=বাতিল করুন printing_not_supported=সতর্কবার্তা: এই ব্রাউজার দ্বারা প্রিন্ট ব্যবস্থা সম্পূর্ণরূপে সমর্থিত নয়। printing_not_ready=সতর্কবাণী: পিডিএফ সম্পূর্ণরূপে মুদ্রণের জন্য লোড করা হয় না. web_fonts_disabled=ওয়েব ফন্ট নিষ্ক্রিয় করা হয়েছে: এমবেডেড পিডিএফ ফন্ট ব্যবহার করতে অক্ষম. -document_colors_disabled=পিডিএফ নথি তাদের নিজস্ব রং ব্যবহার করার জন্য অনুমতিপ্রাপ্ত নয়: ব্রাউজারে নিষ্ক্রিয় করা হয়েছে য়েন 'পেজ তাদের নিজস্ব রং নির্বাচন করার অনুমতি প্রদান করা য়ায়।' +document_colors_not_allowed=পিডিএফ নথি তাদের নিজস্ব রং ব্যবহার করার জন্য অনুমতিপ্রাপ্ত নয়: ব্রাউজারে নিষ্ক্রিয় করা হয়েছে য়েন 'পেজ তাদের নিজস্ব রং নির্বাচন করার অনুমতি প্রদান করা য়ায়।' diff --git a/pdf.js/locale/br/viewer.properties b/pdf.js/locale/br/viewer.properties index de80639..f967227 100644 --- a/pdf.js/locale/br/viewer.properties +++ b/pdf.js/locale/br/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Perzhioù an teul… document_properties_label=Perzhioù an teul… document_properties_file_name=Anv restr : document_properties_file_size=Ment ar restr : +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} Ke ({{size_b}} eizhbit) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} Me ({{size_b}} eizhbit) document_properties_title=Titl : document_properties_author=Aozer : @@ -75,6 +79,8 @@ document_properties_subject=Danvez : document_properties_keywords=Gerioù-alc'hwez : document_properties_creation_date=Deiziad krouiñ : document_properties_modification_date=Deiziad kemmañ : +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Krouer : document_properties_producer=Kenderc'her PDF : @@ -140,12 +146,16 @@ page_scale_width=Led ar bajenn page_scale_fit=Pajenn a-bezh page_scale_auto=Zoum emgefreek page_scale_actual=Ment wir +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Fazi loading_error=Degouezhet ez eus bet ur fazi e-pad kargañ ar PDF. invalid_file_error=Restr PDF didalvoudek pe kontronet. missing_file_error=Restr PDF o vankout. +unexpected_response_error=Respont dic'hortoz a-berzh an dafariad # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Nullañ printing_not_supported=Kemenn : N'eo ket skoret penn-da-benn ar moullañ gant ar merdeer-mañ. printing_not_ready=Kemenn : N'hall ket bezañ moullet ar restr PDF rak n'eo ket karget penn-da-benn. web_fonts_disabled=Diweredekaet eo an nodrezhoù web : n'haller ket arverañ an nodrezhoù PDF enframmet. -document_colors_disabled=N'eo ket aotreet an teuliadoù PDF da arverañ o livioù dezho : diweredekaet eo 'Aotren ar pajennoù da zibab o livioù dezho' e-barzh ar merdeer. +document_colors_not_allowed=N'eo ket aotreet an teuliadoù PDF da arverañ o livioù dezho : diweredekaet eo 'Aotren ar pajennoù da zibab o livioù dezho' e-barzh ar merdeer. diff --git a/pdf.js/locale/bs/viewer.properties b/pdf.js/locale/bs/viewer.properties index a89bf7a..ccc8bec 100644 --- a/pdf.js/locale/bs/viewer.properties +++ b/pdf.js/locale/bs/viewer.properties @@ -30,17 +30,64 @@ zoom_out_label=Umanji zoom_in.title=Uvećaj zoom_in_label=Uvećaj zoom.title=Uvećanje -print.title=Štampaj -print_label=Štampaj presentation_mode.title=Prebaci se u prezentacijski režim presentation_mode_label=Prezentacijski režim open_file.title=Otvori fajl open_file_label=Otvori +print.title=Štampaj +print_label=Štampaj download.title=Preuzmi download_label=Preuzmi bookmark.title=Trenutni prikaz (kopiraj ili otvori u novom prozoru) bookmark_label=Trenutni prikaz +# Secondary toolbar and context menu +tools.title=Alati +tools_label=Alati +first_page.title=Idi na prvu stranu +first_page.label=Idi na prvu stranu +first_page_label=Idi na prvu stranu +last_page.title=Idi na zadnju stranu +last_page.label=Idi na zadnju stranu +last_page_label=Idi na zadnju stranu +page_rotate_cw.title=Rotiraj u smjeru kazaljke na satu +page_rotate_cw.label=Rotiraj u smjeru kazaljke na satu +page_rotate_cw_label=Rotiraj u smjeru kazaljke na satu +page_rotate_ccw.title=Rotiraj suprotno smjeru kazaljke na satu +page_rotate_ccw.label=Rotiraj suprotno smjeru kazaljke na satu +page_rotate_ccw_label=Rotiraj suprotno smjeru kazaljke na satu + +hand_tool_enable.title=Omogući ručni alat +hand_tool_enable_label=Omogući ručni alat +hand_tool_disable.title=Onemogući ručni alat +hand_tool_disable_label=Onemogući ručni alat + +# Document properties dialog box +document_properties.title=Svojstva dokumenta... +document_properties_label=Svojstva dokumenta... +document_properties_file_name=Naziv fajla: +document_properties_file_size=Veličina fajla: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +document_properties_kb={{size_kb}} KB ({{size_b}} bajta) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} MB ({{size_b}} bajta) +document_properties_title=Naslov: +document_properties_author=Autor: +document_properties_subject=Predmet: +document_properties_keywords=Ključne riječi: +document_properties_creation_date=Datum kreiranja: +document_properties_modification_date=Datum promjene: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. +document_properties_date_string={{date}}, {{time}} +document_properties_creator=Kreator: +document_properties_producer=PDF stvaratelj: +document_properties_version=PDF verzija: +document_properties_page_count=Broj stranica: +document_properties_close=Zatvori + # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) @@ -48,6 +95,8 @@ toggle_sidebar.title=Uključi/isključi bočnu traku toggle_sidebar_label=Uključi/isključi bočnu traku outline.title=Prikaži konture dokumenta outline_label=Konture dokumenta +attachments.title=Prikaži priloge +attachments_label=Prilozi thumbs.title=Prikaži thumbnailove thumbs_label=Thumbnailovi findbar.title=Pronađi u dokumentu @@ -61,12 +110,6 @@ thumb_page_title=Strana {{page}} # number. thumb_page_canvas=Thumbnail strane {{page}} -# Context menu -first_page.label=Idi na prvu stranu -last_page.label=Idi na zadnju stranu -page_rotate_cw.label=Rotiraj u smjeru kazaljke na satu -page_rotate_ccw.label=Rotiraj suprotno smjeru kazaljke na satu - # Find panel button title and messages find_label=Pronađi: find_previous.title=Pronađi prethodno pojavljivanje fraze @@ -103,23 +146,28 @@ page_scale_width=Širina strane page_scale_fit=Uklopi stranu page_scale_auto=Automatsko uvećanje page_scale_actual=Stvarna veličina +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages -# LOCALIZATION NOTE (error_line): "{{[percent}}" will be replaced with a percentage loading_error_indicator=Greška loading_error=Došlo je do greške prilikom učitavanja PDF-a. invalid_file_error=Neispravan ili oštećen PDF fajl. missing_file_error=Nedostaje PDF fajl. +unexpected_response_error=Neočekivani odgovor servera. -# LOCALIZATION NOTE (text_annotation_type): This is used as a tooltip. -# "{{[type}}" will be replaced with an annotation type from a list defined in +# LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. +# "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" text_annotation_type.alt=[{{type}} pribilješka] -request_password=PDF je zaštićen lozinkom: -invalid_password=Pogrešna lozinka. +password_label=Upišite lozinku da biste otvorili ovaj PDF fajl. +password_invalid=Pogrešna lozinka. Pokušajte ponovo. +password_ok=OK +password_cancel=Otkaži printing_not_supported=Upozorenje: Štampanje nije u potpunosti podržano u ovom browseru. printing_not_ready=Upozorenje: PDF nije u potpunosti učitan za štampanje. web_fonts_disabled=Web fontovi su onemogućeni: nemoguće koristiti ubačene PDF fontove. -document_colors_disabled=PDF dokumentima nije dozvoljeno da koriste vlastite boje: \'Dozvoli stranicama da izaberu vlastite boje\' je deaktivirano u browseru. +document_colors_not_allowed=PDF dokumentima nije dozvoljeno da koriste vlastite boje: 'Dozvoli stranicama da izaberu vlastite boje' je deaktivirano u browseru. diff --git a/pdf.js/locale/ca/viewer.properties b/pdf.js/locale/ca/viewer.properties index 3a872e9..6b85bb1 100644 --- a/pdf.js/locale/ca/viewer.properties +++ b/pdf.js/locale/ca/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Propietats del document… document_properties_label=Propietats del document… document_properties_file_name=Nom del fitxer: document_properties_file_size=Mida del fitxer: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Títol: document_properties_author=Autor: @@ -75,12 +79,14 @@ document_properties_subject=Assumpte: document_properties_keywords=Paraules clau: document_properties_creation_date=Data de creació: document_properties_modification_date=Data de modificació: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Creador: document_properties_producer=Generador de PDF: document_properties_version=Versió de PDF: document_properties_page_count=Nombre de pàgines: -document_properties_close=Close +document_properties_close=Tanca # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -133,19 +139,23 @@ error_stack=Pila: {{stack}} error_file=Fitxer: {{file}} # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number error_line=Línia: {{line}} -rendering_error=S'ha produït un error mentre es renderitzava la pàgina +rendering_error=S'ha produït un error mentre es renderitzava la pàgina. # Predefined zoom values page_scale_width=Amplària de la pàgina page_scale_fit=Ajusta la pàgina page_scale_auto=Zoom automàtic page_scale_actual=Mida real +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Error loading_error=S'ha produït un error en carregar el PDF. invalid_file_error=El fitxer PDF no és vàlid o està malmès. missing_file_error=Falta el fitxer PDF. +unexpected_response_error=Resposta inesperada del servidor. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Cancel·la printing_not_supported=Avís: la impressió no és plenament funcional en aquest navegador. printing_not_ready=Atenció: el PDF no s'ha acabat de carregar per imprimir-lo. web_fonts_disabled=Les fonts web estan inhabilitades: no es poden incrustar fitxers PDF. -document_colors_disabled=Els documents PDF no poden usar els seus colors propis: «Permet a les pàgines triar els colors propis» es troba desactivat al navegador. +document_colors_not_allowed=Els documents PDF no poden usar els seus colors propis: «Permet a les pàgines triar els colors propis» es troba desactivat al navegador. diff --git a/pdf.js/locale/cs/viewer.properties b/pdf.js/locale/cs/viewer.properties index ce164eb..e1ab256 100644 --- a/pdf.js/locale/cs/viewer.properties +++ b/pdf.js/locale/cs/viewer.properties @@ -139,13 +139,17 @@ rendering_error=Při vykreslování stránky nastala chyba. page_scale_width=Podle šířky page_scale_fit=Podle výšky page_scale_auto=Automatická velikost -page_scale_actual=Aktuální velikost +page_scale_actual=Skutečná velikost +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Chyba loading_error=Při nahrávání PDF nastala chyba. invalid_file_error=Neplatný nebo chybný soubor PDF. missing_file_error=Chybí soubor PDF. +unexpected_response_error=Neočekávaná odpověď serveru. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in diff --git a/pdf.js/locale/cy/viewer.properties b/pdf.js/locale/cy/viewer.properties index 15d2656..3762815 100644 --- a/pdf.js/locale/cy/viewer.properties +++ b/pdf.js/locale/cy/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Priodweddau Dogfen… document_properties_label=Priodweddau Dogfen… document_properties_file_name=Enw ffeil: document_properties_file_size=Maint ffeil: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} beit) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} beit) document_properties_title=Teitl: document_properties_author=Awdur: @@ -75,6 +79,8 @@ document_properties_subject=Pwnc: document_properties_keywords=Allweddair: document_properties_creation_date=Dyddiad Creu: document_properties_modification_date=Dyddiad Addasu: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Crewr: document_properties_producer=Cynhyrchydd PDF: @@ -140,12 +146,16 @@ page_scale_width=Lled Tudalen page_scale_fit=Ffit Tudalen page_scale_auto=Chwyddo Awtomatig page_scale_actual=Maint Gwirioneddol +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Gwall loading_error=Digwyddodd gwall wrth lwytho'r PDF. invalid_file_error=Ffeil PDF annilys neu llwgr. missing_file_error=Ffeil PDF coll. +unexpected_response_error=Ymateb annisgwyl gan y gweinydd. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Diddymu printing_not_supported=Rhybudd: Nid yw argraffu yn cael ei gynnal yn llawn gan y porwr. printing_not_ready=Rhybudd: Nid yw'r PDF wedi ei lwytho'n llawn ar gyfer argraffu. web_fonts_disabled=Ffontiau gwe wedi eu hanablu: methu defnyddio ffontiau PDF mewnblanedig. -document_colors_disabled=Nid oes caniatâd i ddogfennau PDF i ddefnyddio eu lliwiau eu hunain: Mae 'Caniatáu i dudalennau ddefnyddio eu lliwiau eu hunain' wedi ei atal yn y porwr. +document_colors_not_allowed=Nid oes caniatâd i ddogfennau PDF i ddefnyddio eu lliwiau eu hunain: Mae 'Caniatáu i dudalennau ddefnyddio eu lliwiau eu hunain' wedi ei atal yn y porwr. diff --git a/pdf.js/locale/da/viewer.properties b/pdf.js/locale/da/viewer.properties index f442622..ddd428b 100644 --- a/pdf.js/locale/da/viewer.properties +++ b/pdf.js/locale/da/viewer.properties @@ -32,8 +32,8 @@ zoom_in_label=Zoom ind zoom.title=Zoom print.title=Udskriv print_label=Udskriv -presentation_mode.title=Skift til præsentations-tilstand -presentation_mode_label=Præsentations-tilstand +presentation_mode.title=Skift til fuldskærmsvisning +presentation_mode_label=Fuldskærmsvisning open_file.title=Åbn fil open_file_label=Åbn download.title=Hent @@ -42,8 +42,8 @@ bookmark.title=Aktuel visning (kopier eller åbn i et nyt vindue) bookmark_label=Aktuel visning # Secondary toolbar and context menu -tools.title=Værktøj -tools_label=Værktøj +tools.title=Funktioner +tools_label=Funktioner first_page.title=Gå til første side first_page.label=Gå til første side first_page_label=Gå til første side @@ -140,12 +140,16 @@ page_scale_width=Sidebredde page_scale_fit=Tilpas til side page_scale_auto=Automatisk zoom page_scale_actual=Faktisk størrelse +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Fejl loading_error=Der opstod en fejl ved indlæsning af PDF-filen. invalid_file_error=PDF-filen er ugyldig eller ødelagt. missing_file_error=Manglende PDF-fil. +unexpected_response_error=Uventet svar fra serveren. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in diff --git a/pdf.js/locale/de/viewer.properties b/pdf.js/locale/de/viewer.properties index b641e2b..685154c 100644 --- a/pdf.js/locale/de/viewer.properties +++ b/pdf.js/locale/de/viewer.properties @@ -140,12 +140,16 @@ page_scale_width=Seitenbreite page_scale_fit=Seitengröße page_scale_auto=Automatischer Zoom page_scale_actual=Originalgröße +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Fehler loading_error=Beim Laden der PDF-Datei trat ein Fehler auf. invalid_file_error=Ungültige oder beschädigte PDF-Datei missing_file_error=Fehlende PDF-Datei +unexpected_response_error=Unerwartete Antwort des Servers # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in diff --git a/pdf.js/locale/el/viewer.properties b/pdf.js/locale/el/viewer.properties index 36723c2..9d968c9 100644 --- a/pdf.js/locale/el/viewer.properties +++ b/pdf.js/locale/el/viewer.properties @@ -1,6 +1,16 @@ -# This Source Code Form is subject to the terms of the Mozilla Public -# License, v. 2.0. If a copy of the MPL was not distributed with this -# file, You can obtain one at http://mozilla.org/MPL/2.0/. +# Copyright 2012 Mozilla Foundation +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. # Main toolbar buttons (tooltips and alt text for images) previous.title=Προηγούμενη σελίδα @@ -13,31 +23,81 @@ next_label=Επόμενη # Do not translate "{{pageCount}}", it will be substituted with a number # representing the total number of pages. page_label=Σελίδα: -page_of= {{pageCount}} +page_of=από {{pageCount}} zoom_out.title=Σμίκρυνση zoom_out_label=Σμίκρυνση zoom_in.title=Μεγέθυνση zoom_in_label=Μεγέθυνση zoom.title=Μεγέθυνση -print.title=Εκτύπωση -print_label=Εκτύπωση +presentation_mode.title=Μετάβαση σε λειτουργία παρουσίασης +presentation_mode_label=Λειτουργία παρουσίασης open_file.title=Άνοιγμα αρχείου open_file_label=Άνοιγμα +print.title=Εκτύπωση +print_label=Εκτύπωση download.title=Λήψη download_label=Λήψη bookmark.title=Τρέχουσα προβολή (αντίγραφο ή άνοιγμα σε νέο παράθυρο) bookmark_label=Τρέχουσα προβολή +# Secondary toolbar and context menu +tools.title=Εργαλεία +tools_label=Εργαλεία +first_page.title=Μετάβαση στην πρώτη σελίδα +first_page.label=Μετάβαση στην πρώτη σελίδα +first_page_label=Μετάβαση στην πρώτη σελίδα +last_page.title=Μετάβαση στη τελευταία σελίδα +last_page.label=Μετάβαση στη τελευταία σελίδα +last_page_label=Μετάβαση στη τελευταία σελίδα +page_rotate_cw.title=Δεξιόστροφη περιστροφή +page_rotate_cw.label=Δεξιόστροφη περιστροφή +page_rotate_cw_label=Δεξιόστροφη περιστροφή +page_rotate_ccw.title=Αριστερόστροφη περιστροφή +page_rotate_ccw.label=Αριστερόστροφη περιστροφή +page_rotate_ccw_label=Αριστερόστροφη περιστροφή + +hand_tool_enable.title=Ενεργοποίηση εργαλείου χεριού +hand_tool_enable_label=Ενεργοποίηση εργαλείου χεριού +hand_tool_disable.title=Απενεργοποίηση εργαλείου χεριού +hand_tool_disable_label=Απενεργοποίηση εργαλείου χεριού + +# Document properties dialog box +document_properties.title=Ιδιότητες εγγράφου… +document_properties_label=Ιδιότητες εγγράφου… +document_properties_file_name=Όνομα αρχείου: +document_properties_file_size=Μέγεθος αρχείου: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_title=Τίτλος: +document_properties_author=Συγγραφέας: +document_properties_subject=Θέμα: +document_properties_keywords=Λέξεις κλειδιά: +document_properties_creation_date=Ημερομηνία δημιουργίας: +document_properties_modification_date=Ημερομηνία τροποποίησης: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. +document_properties_creator=Δημιουργός: +document_properties_producer=Παραγωγός PDF: +document_properties_version=Έκδοση PDF: +document_properties_page_count=Αριθμός σελίδων: +document_properties_close=Κλείσιμο + # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) +toggle_sidebar.title=Εναλλαγή προβολής πλευρικής στήλης +toggle_sidebar_label=Εναλλαγή προβολής πλευρικής στήλης outline.title=Προβολή διάρθρωσης κειμένου outline_label=Διάρθρωση κειμένου +attachments.title=Προβολή συνημμένου +attachments_label=Συνημμένα thumbs.title=Προβολή μικρογραφιών thumbs_label=Μικρογραφίες - - +findbar.title=Εύρεση στο έγγραφο +findbar_label=Εύρεση # Thumbnails panel item (tooltip and alt text for images) # LOCALIZATION NOTE (thumb_page_title): "{{page}}" will be replaced by the page @@ -47,54 +107,6 @@ thumb_page_title=Σελίδα {{page}} # number. thumb_page_canvas=Μικρογραφία της σελίδας {{page}} -first_page.label=Μετάβαση στην πρώτη σελίδα - -# Error panel labels -error_more_info=Περισσότερες πληροφορίες -error_less_info=Λιγότερες πληροφορίες -error_close=Κλείσιμο -# LOCALIZATION NOTE (error_message): "{{message}}" will be replaced by an -# english string describing the error. -error_message=Μήνυμα: {{message}} -# LOCALIZATION NOTE (error_stack): "{{stack}}" will be replaced with a stack -# trace. -error_stack=Stack: {{stack}} -# LOCALIZATION NOTE (error_file): "{{file}}" will be replaced with a filename -error_file=Αρχείο: {{file}} -# LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number -error_line=Line: {{line}} -rendering_error=Προέκυψε σφάλμα κατά την ανάλυση της σελίδας. - -# Predefined zoom values -page_scale_width=Πλάτος σελίδας -page_scale_fit=Μέγεθος σελίδας -page_scale_auto=Αυτόματη μεγέθυνση -page_scale_actual=Πραγματικό μέγεθος - - -# Context menu -page_rotate_cw.label=Δεξιόστροφη περιστροφή -page_rotate_ccw.label=Αριστερόστροφη περιστροφή - -presentation_mode.title=Μετάβαση σε λειτουργία παρουσίασης -presentation_mode_label=Λειτουργία παρουσίασης - -# Loading indicator messages -# LOCALIZATION NOTE (error_line): "{{[percent}}" will be replaced with a percentage - -loading_error_indicator=Σφάλμα -loading_error=Προέκυψε ένα σφάλμα κατά τη φόρτωση του PDF. - -request_password=Το PDF προστατεύεται από κωδικό: - -printing_not_supported=Προειδοποίηση: Η εκτύπωση δεν υποστηρίζεται πλήρως από αυτόν τον περιηγητή. - - - -findbar.title=Εύρεση στο έγγραφο -findbar_label=Εύρεση - - # Find panel button title and messages find_label=Εύρεση: find_previous.title=Εύρεση της προηγούμενης εμφάνισης της φράσης @@ -107,25 +119,47 @@ find_reached_top=Έλευση στην αρχή του εγγράφου, συν find_reached_bottom=Έλευση στο τέλος του εγγράφου, συνέχεια από την αρχή find_not_found=Η φράση δεν βρέθηκε -invalid_file_error=Μη έγκυρο ή κατεστραμμένο αρχείο PDF. -last_page.label=Μετάβαση στη τελευταία σελίδα - +# Error panel labels +error_more_info=Περισσότερες πληροφορίες +error_less_info=Λιγότερες πληροφορίες +error_close=Κλείσιμο # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. -error_version_info=PDF.js v{{version}} (build: {{build}}) +# LOCALIZATION NOTE (error_message): "{{message}}" will be replaced by an +# english string describing the error. +error_message=Μήνυμα: {{message}} +# LOCALIZATION NOTE (error_stack): "{{stack}}" will be replaced with a stack +# trace. +# LOCALIZATION NOTE (error_file): "{{file}}" will be replaced with a filename +error_file=Αρχείο: {{file}} +# LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number +rendering_error=Προέκυψε σφάλμα κατά την ανάλυση της σελίδας. +# Predefined zoom values +page_scale_width=Πλάτος σελίδας +page_scale_fit=Μέγεθος σελίδας +page_scale_auto=Αυτόματη μεγέθυνση +page_scale_actual=Πραγματικό μέγεθος +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. + +# Loading indicator messages +loading_error_indicator=Σφάλμα +loading_error=Προέκυψε ένα σφάλμα κατά τη φόρτωση του PDF. +invalid_file_error=Μη έγκυρο ή κατεστραμμένο αρχείο PDF. missing_file_error=Λείπει αρχείο PDF. +# LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. +# "{{type}}" will be replaced with an annotation type from a list defined in +# the PDF spec (32000-1:2008 Table 169 – Annotation types). +# Some common types are e.g.: "Check", "Text", "Comment", "Note" +text_annotation_type.alt=[{{type}} Σχόλιο] +password_label=Εισαγωγή κωδικού για το άνοιγμα του PDF αρχείου. +password_invalid=Μη έγκυρος κωδικός. Προσπαθείστε ξανά. +password_ok=ΟΚ +password_cancel=Ακύρωση -toggle_sidebar.title=Εναλλαγή προβολής πλευρικής στήλης -toggle_sidebar_label=Εναλλαγή προβολής πλευρικής στήλης - -web_fonts_disabled=Οι γραμματοσειρές Web απενεργοποιημένες: αδυναμία χρήσης των ενσωματωμένων γραμματοσειρών PDF. - +printing_not_supported=Προειδοποίηση: Η εκτύπωση δεν υποστηρίζεται πλήρως από αυτόν τον περιηγητή. printing_not_ready=Προειδοποίηση: Το PDF δεν φορτώθηκε πλήρως για εκτύπωση. - +web_fonts_disabled=Οι γραμματοσειρές Web απενεργοποιημένες: αδυναμία χρήσης των ενσωματωμένων γραμματοσειρών PDF. document_colors_disabled=Δεν επιτρέπεται στα έγγραφα PDF να χρησιμοποιούν τα δικά τους χρώματα: Η επιλογή \'Να επιτρέπεται η χρήση χρωμάτων της σελίδας\' δεν είναι ενεργή στην εφαρμογή. - -invalid_password=Μη έγκυρος κωδικός. -text_annotation_type.alt=[{{type}} Annotation] - diff --git a/pdf.js/locale/en-GB/viewer.properties b/pdf.js/locale/en-GB/viewer.properties index 64239d2..f9e1dfb 100644 --- a/pdf.js/locale/en-GB/viewer.properties +++ b/pdf.js/locale/en-GB/viewer.properties @@ -140,12 +140,16 @@ page_scale_width=Page Width page_scale_fit=Page Fit page_scale_auto=Automatic Zoom page_scale_actual=Actual Size +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Error loading_error=An error occurred while loading the PDF. invalid_file_error=Invalid or corrupted PDF file. missing_file_error=Missing PDF file. +unexpected_response_error=Unexpected server response. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +164,4 @@ password_cancel=Cancel printing_not_supported=Warning: Printing is not fully supported by this browser. printing_not_ready=Warning: The PDF is not fully loaded for printing. web_fonts_disabled=Web fonts are disabled: unable to use embedded PDF fonts. -document_colors_disabled=PDF documents are not allowed to use their own colours: \'Allow pages to choose their own colours\' is deactivated in the browser. +document_colors_disabled=PDF documents are not allowed to use their own colours: 'Allow pages to choose their own colours' is deactivated in the browser. diff --git a/pdf.js/locale/en-US/viewer.properties b/pdf.js/locale/en-US/viewer.properties index c52020c..20c9195 100644 --- a/pdf.js/locale/en-US/viewer.properties +++ b/pdf.js/locale/en-US/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Document Properties… document_properties_label=Document Properties… document_properties_file_name=File name: document_properties_file_size=File size: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Title: document_properties_author=Author: @@ -75,6 +79,8 @@ document_properties_subject=Subject: document_properties_keywords=Keywords: document_properties_creation_date=Creation Date: document_properties_modification_date=Modification Date: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Creator: document_properties_producer=PDF Producer: @@ -140,6 +146,9 @@ page_scale_width=Page Width page_scale_fit=Page Fit page_scale_auto=Automatic Zoom page_scale_actual=Actual Size +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Error @@ -161,4 +170,4 @@ password_cancel=Cancel printing_not_supported=Warning: Printing is not fully supported by this browser. printing_not_ready=Warning: The PDF is not fully loaded for printing. web_fonts_disabled=Web fonts are disabled: unable to use embedded PDF fonts. -document_colors_disabled=PDF documents are not allowed to use their own colors: \'Allow pages to choose their own colors\' is deactivated in the browser. +document_colors_not_allowed=PDF documents are not allowed to use their own colors: 'Allow pages to choose their own colors' is deactivated in the browser. diff --git a/pdf.js/locale/en-ZA/viewer.properties b/pdf.js/locale/en-ZA/viewer.properties index 5588ff1..edb9fd0 100644 --- a/pdf.js/locale/en-ZA/viewer.properties +++ b/pdf.js/locale/en-ZA/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Document Properties… document_properties_label=Document Properties… document_properties_file_name=File name: document_properties_file_size=File size: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Title: document_properties_author=Author: @@ -75,6 +79,8 @@ document_properties_subject=Subject: document_properties_keywords=Keywords: document_properties_creation_date=Creation Date: document_properties_modification_date=Modification Date: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Creator: document_properties_producer=PDF Producer: @@ -89,6 +95,8 @@ toggle_sidebar.title=Toggle Sidebar toggle_sidebar_label=Toggle Sidebar outline.title=Show Document Outline outline_label=Document Outline +attachments.title=Show Attachments +attachments_label=Attachments thumbs.title=Show Thumbnails thumbs_label=Thumbnails findbar.title=Find in Document @@ -138,12 +146,16 @@ page_scale_width=Page Width page_scale_fit=Page Fit page_scale_auto=Automatic Zoom page_scale_actual=Actual Size +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Error loading_error=An error occurred while loading the PDF. invalid_file_error=Invalid or corrupted PDF file. missing_file_error=Missing PDF file. +unexpected_response_error=Unexpected server response. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -158,4 +170,4 @@ password_cancel=Cancel printing_not_supported=Warning: Printing is not fully supported by this browser. printing_not_ready=Warning: The PDF is not fully loaded for printing. web_fonts_disabled=Web fonts are disabled: unable to use embedded PDF fonts. -document_colors_disabled=PDF documents are not allowed to use their own colours: 'Allow pages to choose their own colours' is deactivated in the browser. +document_colors_not_allowed=PDF documents are not allowed to use their own colours: 'Allow pages to choose their own colours' is deactivated in the browser. diff --git a/pdf.js/locale/eo/viewer.properties b/pdf.js/locale/eo/viewer.properties index 78b8229..7cc95c6 100644 --- a/pdf.js/locale/eo/viewer.properties +++ b/pdf.js/locale/eo/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Atributoj de dokumento… document_properties_label=Atributoj de dokumento… document_properties_file_name=Nomo de dosiero: document_properties_file_size=Grado de dosiero: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KO ({{size_b}} oktetoj) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MO ({{size_b}} oktetoj) document_properties_title=Titolo: document_properties_author=Aŭtoro: @@ -75,6 +79,8 @@ document_properties_subject=Temo: document_properties_keywords=Ŝlosilvorto: document_properties_creation_date=Dato de kreado: document_properties_modification_date=Dato de modifo: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Kreinto: document_properties_producer=Produktinto de PDF: @@ -140,12 +146,16 @@ page_scale_width=Larĝo de paĝo page_scale_fit=Adapti paĝon page_scale_auto=Aŭtomata skalo page_scale_actual=Reala gandeco +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Eraro loading_error=Okazis eraro dum la ŝargado de la PDF dosiero. invalid_file_error=Nevalida aŭ difektita PDF dosiero. missing_file_error=Mankas dosiero PDF. +unexpected_response_error=Neatendita respondo de servilo. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -157,7 +167,7 @@ password_invalid=Nevalida pasvorto. Bonvolu provi denove. password_ok=Akcepti password_cancel=Nuligi -printing_not_supported=Averto: tiu ĉi retesplorilo ne plene subtenas presadon. -printing_not_ready=Warning: La PDF dosiero ne estas plene ŝargita por presado. +printing_not_supported=Averto: tiu ĉi retumilo ne plene subtenas presadon. +printing_not_ready=Averto: La PDF dosiero ne estas plene ŝargita por presado. web_fonts_disabled=Neaktivaj teksaĵaj tiparoj: ne elbas uzi enmetitajn tiparojn de PDF. -document_colors_disabled=Dokumentoj PDF ne rajtas havi siajn proprajn kolorojn: \'Permesi al paĝoj elekti siajn proprajn kolorojn\' estas malaktiva en la retesplorilo. +document_colors_disabled=Dokumentoj PDF ne rajtas havi siajn proprajn kolorojn: \'Permesi al paĝoj elekti siajn proprajn kolorojn\' estas malaktiva en la retumilo. diff --git a/pdf.js/locale/es-AR/viewer.properties b/pdf.js/locale/es-AR/viewer.properties index c931a10..733be7b 100644 --- a/pdf.js/locale/es-AR/viewer.properties +++ b/pdf.js/locale/es-AR/viewer.properties @@ -104,12 +104,6 @@ thumb_page_title=Página {{page}} # number. thumb_page_canvas=Miniatura de página {{page}} -# Context menu -first_page.label=Ir a la primera página -last_page.label=Ir a la última página -page_rotate_cw.label=Rotar en sentido horario -page_rotate_ccw.label=Rotar en sentido antihorario - # Find panel button title and messages find_label=Buscar: find_previous.title=Buscar la aparición anterior de la frase @@ -146,12 +140,16 @@ page_scale_width=Ancho de página page_scale_fit=Ajustar página page_scale_auto=Zoom automático page_scale_actual=Tamaño real +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Error loading_error=Ocurrió un error al cargar el PDF. invalid_file_error=Archivo PDF no válido o cocrrupto. missing_file_error=Archivo PDF faltante. +unexpected_response_error=Respuesta del servidor inesperada. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in diff --git a/pdf.js/locale/es-CL/viewer.properties b/pdf.js/locale/es-CL/viewer.properties index 9219cc9..0c610e6 100644 --- a/pdf.js/locale/es-CL/viewer.properties +++ b/pdf.js/locale/es-CL/viewer.properties @@ -111,10 +111,12 @@ page_scale_width = Ancho de página page_scale_fit = Ajuste de página page_scale_auto = Aumento automático page_scale_actual = Tamaño actual +page_scale_percent={{scale}}% loading_error_indicator = Error loading_error = Ha ocurrido un error al cargar el PDF. invalid_file_error = Archivo PDF inválido o corrupto. missing_file_error=Falta el archivo PDF. +unexpected_response_error=Respuesta del servidor inesperada. text_annotation_type.alt=[{{type}} Anotación] password_label=Ingrese la contraseña para abrir este archivo PDF. @@ -125,4 +127,4 @@ password_cancel=Cancelar printing_not_supported = Advertencia: Imprimir no está soportado completamente por este navegador. printing_not_ready=Advertencia: El PDF no está completamente cargado para ser impreso. web_fonts_disabled=Las fuentes web están desactivadas: imposible usar las fuentes PDF embebidas. -document_colors_disabled=Los documentos PDF no tienen permitido usar sus propios colores: 'Permitir a las páginas elegir sus propios colores' está desactivado en el navegador. +document_colors_not_allowed=Los documentos PDF no tienen permitido usar sus propios colores: 'Permitir a las páginas elegir sus propios colores' está desactivado en el navegador. diff --git a/pdf.js/locale/es-ES/viewer.properties b/pdf.js/locale/es-ES/viewer.properties index e0db6b0..54e17d2 100644 --- a/pdf.js/locale/es-ES/viewer.properties +++ b/pdf.js/locale/es-ES/viewer.properties @@ -93,11 +93,13 @@ rendering_error = Ocurrió un error al renderizar la página. page_scale_width = Anchura de la página page_scale_fit = Ajuste de la página page_scale_auto = Tamaño automático -page_scale_actual = Tamaño actual +page_scale_actual = Tamaño real +page_scale_percent = {{scale}}% loading_error_indicator = Error loading_error = Ocurrió un error al cargar el PDF. invalid_file_error = Fichero PDF no válido o corrupto. missing_file_error = No hay fichero PDF. +unexpected_response_error = Respuesta inesperada del servidor. text_annotation_type.alt = [Anotación {{type}}] password_label = Introduzca la contraseña para abrir este archivo PDF. password_invalid = Contraseña no válida. Vuelva a intentarlo. @@ -106,4 +108,4 @@ password_cancel = Cancelar printing_not_supported = Advertencia: Imprimir no está totalmente soportado por este navegador. printing_not_ready = Advertencia: Este PDF no se ha cargado completamente para poder imprimirse. web_fonts_disabled = Las tipografías web están desactivadas: es imposible usar las tipografías PDF embebidas. -document_colors_disabled = Los documentos PDF no tienen permitido usar sus propios colores: 'Permitir a las páginas elegir sus propios colores' está desactivado en el navegador. +document_colors_not_allowed = Los documentos PDF no tienen permitido usar sus propios colores: 'Permitir a las páginas elegir sus propios colores' está desactivado en el navegador. diff --git a/pdf.js/locale/es-MX/viewer.properties b/pdf.js/locale/es-MX/viewer.properties index 962d22d..4b85e8f 100644 --- a/pdf.js/locale/es-MX/viewer.properties +++ b/pdf.js/locale/es-MX/viewer.properties @@ -38,7 +38,7 @@ print.title=Imprimir print_label=Imprimir download.title=Descargar download_label=Descargar -bookmark.title=Vista actual (copia o abierta en ventana nueva) +bookmark.title=Vista actual (copiar o abrir en una nueva ventana) bookmark_label=Vista actual # Secondary toolbar and context menu @@ -67,7 +67,11 @@ document_properties.title=Propiedades del documento… document_properties_label=Propiedades del documento… document_properties_file_name=Nombre del archivo: document_properties_file_size=Tamaño del archivo: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Título: document_properties_author=Autor: @@ -75,6 +79,8 @@ document_properties_subject=Asunto: document_properties_keywords=Palabras claves: document_properties_creation_date=Fecha de creación: document_properties_modification_date=Fecha de modificación: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Creador: document_properties_producer=Productor PDF: @@ -140,12 +146,16 @@ page_scale_width=Ancho de página page_scale_fit=Ajustar página page_scale_auto=Zoom automático page_scale_actual=Tamaño real +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Error loading_error=Un error ocurrió al cargar el PDF. invalid_file_error=Archivo PDF invalido o dañado. missing_file_error=Archivo PDF no encontrado. +unexpected_response_error=Respuesta inesperada del servidor. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Cancelar printing_not_supported=Advertencia: La impresión no esta completamente soportada por este navegador. printing_not_ready=Advertencia: El PDF no cargo completamente para impresión. web_fonts_disabled=Las fuentes web están desactivadas: es imposible usar las fuentes PDF embebidas. -document_colors_disabled=Los documentos PDF no tienen permiso de usar sus propios colores: 'Permitir que las páginas elijan sus propios colores' esta desactivada en el navegador. +document_colors_not_allowed=Los documentos PDF no tienen permiso de usar sus propios colores: 'Permitir que las páginas elijan sus propios colores' esta desactivada en el navegador. diff --git a/pdf.js/locale/et/viewer.properties b/pdf.js/locale/et/viewer.properties index 89a4a92..83da357 100644 --- a/pdf.js/locale/et/viewer.properties +++ b/pdf.js/locale/et/viewer.properties @@ -140,12 +140,16 @@ page_scale_width=Mahuta laiusele page_scale_fit=Mahuta leheküljele page_scale_auto=Automaatne suurendamine page_scale_actual=Tegelik suurus +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Viga loading_error=PDFi laadimisel esines viga. invalid_file_error=Vigane või rikutud PDF-fail. missing_file_error=PDF-fail puudub. +unexpected_response_error=Ootamatu vastus serverilt. # LOCALIZATION NOTE (text_annotation_type): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in diff --git a/pdf.js/locale/eu/viewer.properties b/pdf.js/locale/eu/viewer.properties index 0829055..c302989 100644 --- a/pdf.js/locale/eu/viewer.properties +++ b/pdf.js/locale/eu/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Dokumentuaren propietateak… document_properties_label=Dokumentuaren propietateak… document_properties_file_name=Fitxategi-izena: document_properties_file_size=Fitxategiaren tamaina: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} byte) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} byte) document_properties_title=Izenburua: document_properties_author=Egilea: @@ -75,6 +79,8 @@ document_properties_subject=Gaia: document_properties_keywords=Gako-hitzak: document_properties_creation_date=Sortze-data: document_properties_modification_date=Aldatze-data: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Sortzailea: document_properties_producer=PDFaren ekoizlea: @@ -140,12 +146,16 @@ page_scale_width=Orriaren zabalera page_scale_fit=Doitu orrira page_scale_auto=Zoom automatikoa page_scale_actual=Benetako tamaina +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent=%{{scale}} # Loading indicator messages loading_error_indicator=Errorea loading_error=Errorea gertatu da PDFa kargatzean. invalid_file_error=PDF fitxategi baliogabe edo hondatua. missing_file_error=PDF fitxategia falta da. +unexpected_response_error=Espero gabeko zerbitzariaren erantzuna. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Utzi printing_not_supported=Abisua: inprimatzeko euskarria ez da erabatekoa nabigatzaile honetan. printing_not_ready=Abisua: PDFa ez dago erabat kargatuta inprimatzeko. web_fonts_disabled=Webeko letra-tipoak desgaituta daude: ezin dira kapsulatutako PDF letra-tipoak erabili. -document_colors_disabled=PDF dokumentuek ez dute beraien koloreak erabiltzeko baimenik: 'Baimendu orriak beraien letra-tipoak aukeratzea' desaktibatuta dago nabigatzailean. +document_colors_not_allowed=PDF dokumentuek ez dute beraien koloreak erabiltzeko baimenik: 'Baimendu orriak beraien letra-tipoak aukeratzea' desaktibatuta dago nabigatzailean. diff --git a/pdf.js/locale/fa/viewer.properties b/pdf.js/locale/fa/viewer.properties index 062f2c2..28f2cb6 100644 --- a/pdf.js/locale/fa/viewer.properties +++ b/pdf.js/locale/fa/viewer.properties @@ -14,7 +14,9 @@ # Main toolbar buttons (tooltips and alt text for images) previous.title=صفحهٔ قبلی +previous_label=قبلی next.title=صفحهٔ بعدی +next_label=بعدی # LOCALIZATION NOTE (page_label, page_of): # These strings are concatenated to form the "Page: X of Y" string. @@ -36,18 +38,68 @@ print.title=چاپ print_label=چاپ download.title=بارگیری download_label=بارگیری -bookmark.title=نمای فعلی (کپی کن، یا در پنجرۀ دیگری نشان بده) +bookmark.title=نمای فعلی (رونوشت و یا نشان دادن در پنجره جدید) bookmark_label=نمای فعلی # Secondary toolbar and context menu +tools.title=ابزارها +tools_label=ابزارها +first_page.title=برو به اولین صفحه +first_page.label=برو یه اولین صفحه +first_page_label=برو به اولین صفحه +last_page.title=برو به آخرین صفحه +last_page.label=برو به آخرین صفحه +last_page_label=برو به آخرین صفحه +page_rotate_cw.title=چرخش ساعتگرد +page_rotate_cw.label=چرخش ساعتگرد +page_rotate_cw_label=چرخش ساعتگرد +page_rotate_ccw.title=چرخش پاد ساعتگرد +page_rotate_ccw.label=چرخش پاد ساعتگرد +page_rotate_ccw_label=چرخش پاد ساعتگرد + +hand_tool_enable.title=فعال سازی ابزار دست +hand_tool_enable_label=فعال سازی ابزار دست +hand_tool_disable.title=غیر‌فعال سازی ابزار دست +hand_tool_disable_label=غیر‌فعال سازی ابزار دست + +# Document properties dialog box +document_properties.title=خصوصیات سند... +document_properties_label=خصوصیات سند... +document_properties_file_name=نام فایل: +document_properties_file_size=حجم پرونده: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +document_properties_kb={{size_kb}} کیلوبایت ({{size_b}} بایت) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} مگابایت ({{size_b}} بایت) +document_properties_title=عنوان: +document_properties_author=نویسنده: +document_properties_subject=موضوع: +document_properties_keywords=کلیدواژه‌ها: +document_properties_creation_date=تاریخ ایجاد: +document_properties_modification_date=تاریخ ویرایش: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. +document_properties_date_string={{date}}، {{time}} +document_properties_creator=ایجاد کننده: +document_properties_producer=ایجاد کننده PDF: +document_properties_version=نسخه PDF: +document_properties_page_count=تعداد صفحات: +document_properties_close=بستن # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) +toggle_sidebar.title=باز و بسته کردن نوار کناری +toggle_sidebar_label=تغییرحالت نوارکناری outline.title=نمایش طرح نوشتار outline_label=طرح نوشتار +attachments.title=نمایش پیوست‌ها +attachments_label=پیوست‌ها thumbs.title=نمایش تصاویر بندانگشتی thumbs_label=تصاویر بندانگشتی +findbar.title=جستجو در سند findbar_label=پیدا کردن # Thumbnails panel item (tooltip and alt text for images) @@ -59,8 +111,15 @@ thumb_page_title=صفحه {{page}} thumb_page_canvas=تصویر بند‌ انگشتی صفحه {{page}} # Find panel button title and messages +find_label=جستجو: find_previous.title=پیدا کردن رخداد قبلی عبارت +find_previous_label=قبلی find_next.title=پیدا کردن رخداد بعدی عبارت +find_next_label=بعدی +find_highlight=برجسته و هایلایت کردن همه موارد +find_match_case_label=تطبیق کوچکی و بزرگی حروف +find_reached_top=به بالای صفحه رسیدیم، از پایین ادامه می‌دهیم +find_reached_bottom=به آخر صفحه رسیدیم، از بالا ادامه می‌دهیم find_not_found=عبارت پیدا نشد # Error panel labels @@ -69,6 +128,7 @@ error_less_info=اطلاعات کمتر error_close=بستن # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. +error_version_info=‏PDF.js ورژن{{version}} ‏(ساخت: {{build}}) # LOCALIZATION NOTE (error_message): "{{message}}" will be replaced by an # english string describing the error. error_message=پیام: {{message}} @@ -86,17 +146,28 @@ page_scale_width=عرض صفحه page_scale_fit=اندازه کردن صفحه page_scale_auto=بزرگنمایی خودکار page_scale_actual=اندازه واقعی‌ +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=خطا -loading_error=هنگام بارگیری پرونده (PDF) خطایی رخ داد. +loading_error=هنگام بارگیری پرونده PDF خطایی رخ داد. +invalid_file_error=پرونده PDF نامعتبر یامعیوب می‌باشد. +missing_file_error=پرونده PDF یافت نشد. +unexpected_response_error=پاسخ پیش بینی نشده سرور # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" text_annotation_type.alt=[{{type}} Annotation] +password_label=جهت باز کردن پرونده PDF گذرواژه را وارد نمائید. +password_invalid=گذرواژه نامعتبر. لطفا مجددا تلاش کنید. password_ok=تأیید password_cancel=انصراف printing_not_supported=هشدار: قابلیت چاپ به‌طور کامل در این مرورگر پشتیبانی نمی‌شود. +printing_not_ready=اخطار: پرونده PDF بطور کامل بارگیری نشده و امکان چاپ وجود ندارد. +web_fonts_disabled=فونت های تحت وب غیر فعال شده اند: امکان استفاده از نمایش دهنده داخلی PDF وجود ندارد. +document_colors_not_allowed=فایلهای PDF نمیتوانند که رنگ های خود را داشته باشند. لذا گزینه 'اجازه تغییر رنگ" در مرورگر غیر فعال شده است. diff --git a/pdf.js/locale/ff/viewer.properties b/pdf.js/locale/ff/viewer.properties index 9720c3e..026c4bf 100644 --- a/pdf.js/locale/ff/viewer.properties +++ b/pdf.js/locale/ff/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Keeroraaɗi Winndannde… document_properties_label=Keeroraaɗi Winndannde… document_properties_file_name=Innde fiilde: document_properties_file_size=Ɓetol fiilde: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bite) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bite) document_properties_title=Tiitoonde: document_properties_author=Binnduɗo: @@ -75,6 +79,8 @@ document_properties_subject=Toɓɓere: document_properties_keywords=Kelmekele jiytirɗe: document_properties_creation_date=Ñalnde Sosaa: document_properties_modification_date=Ñalnde Waylaa: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Cosɗo: document_properties_producer=Paggiiɗo PDF: @@ -140,12 +146,16 @@ page_scale_width=Njaajeendi Hello page_scale_fit=Keƴeendi Hello page_scale_auto=Loongorde Jaajol page_scale_actual=Ɓetol Jaati +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Juumre loading_error=Juumre waɗii tuma nde loowata PDF oo. invalid_file_error=Fiilde PDF moƴƴaani walla jiibii. missing_file_error=Fiilde PDF ena ŋakki. +unexpected_response_error=Jaabtol sarworde tijjinooka. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Haaytu printing_not_supported=Reentino: Winnditagol tammbitaaka no feewi e ndee wanngorde. printing_not_ready=Reentino: PDF oo loowaaki haa timmi ngam winnditagol. web_fonts_disabled=Ponte geese ko daaƴaaɗe: horiima huutoraade ponte PDF coomtoraaɗe. -document_colors_disabled=Piilanɗe PDF njamiraaka yoo kuutoro goobuuji mum'en keeriiɗi: 'Yamir kello yoo kuutoro goobuuki keeriiɗi' koko daaƴaa e wanngorde ndee. +document_colors_not_allowed=Piilanɗe PDF njamiraaka yoo kuutoro goobuuji mum'en keeriiɗi: 'Yamir kello yoo kuutoro goobuuki keeriiɗi' koko daaƴaa e wanngorde ndee. diff --git a/pdf.js/locale/fi/viewer.properties b/pdf.js/locale/fi/viewer.properties index 78327d1..d64a0a8 100644 --- a/pdf.js/locale/fi/viewer.properties +++ b/pdf.js/locale/fi/viewer.properties @@ -140,12 +140,16 @@ page_scale_width=Sivun leveys page_scale_fit=Koko sivu page_scale_auto=Automaattinen suurennus page_scale_actual=Todellinen koko +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}} % # Loading indicator messages loading_error_indicator=Virhe loading_error=Tapahtui virhe ladattaessa PDF-tiedostoa. invalid_file_error=Virheellinen tai vioittunut PDF-tiedosto. missing_file_error=Puuttuva PDF-tiedosto. +unexpected_response_error=Odottamaton vastaus palvelimelta. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in diff --git a/pdf.js/locale/fr/viewer.properties b/pdf.js/locale/fr/viewer.properties index 41d1860..ee947e4 100644 --- a/pdf.js/locale/fr/viewer.properties +++ b/pdf.js/locale/fr/viewer.properties @@ -140,12 +140,16 @@ page_scale_width=Pleine largeur page_scale_fit=Page entière page_scale_auto=Zoom automatique page_scale_actual=Taille réelle +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}} % # Loading indicator messages loading_error_indicator=Erreur loading_error=Une erreur s'est produite lors du chargement du fichier PDF. invalid_file_error=Fichier PDF invalide ou corrompu. missing_file_error=Fichier PDF manquant. +unexpected_response_error=Réponse inattendue du serveur. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +164,4 @@ password_cancel=Annuler printing_not_supported=Attention : l'impression n'est pas totalement prise en charge par ce navigateur. printing_not_ready=Attention : le PDF n'est pas entièrement chargé pour pouvoir l'imprimer. web_fonts_disabled=Les polices web sont désactivées : impossible d'utiliser les polices intégrées au PDF. -document_colors_disabled=Les documents PDF ne peuvent pas utiliser leurs propres couleurs : « Autoriser les pages web à utiliser leurs propres couleurs » est désactivé dans le navigateur. +document_colors_not_allowed=Les documents PDF ne peuvent pas utiliser leurs propres couleurs : « Autoriser les pages web à utiliser leurs propres couleurs » est désactivé dans le navigateur. diff --git a/pdf.js/locale/fy-NL/viewer.properties b/pdf.js/locale/fy-NL/viewer.properties index 69c8d0b..4a0f747 100644 --- a/pdf.js/locale/fy-NL/viewer.properties +++ b/pdf.js/locale/fy-NL/viewer.properties @@ -49,7 +49,7 @@ first_page.label=Gean nei earste side first_page_label=Gean nei earste side last_page.title=Gean nei lêste side last_page.label=Gean nei lêste side -last_page_label=Gean nei lêste v +last_page_label=Gean nei lêste side page_rotate_cw.title=Rjochtsom draaie page_rotate_cw.label=Rjochtsom draaie page_rotate_cw_label=Rjochtsom draaie @@ -67,7 +67,11 @@ document_properties.title=Dokuminteigenskippen… document_properties_label=Dokuminteigenskippen… document_properties_file_name=Bestânsnamme: document_properties_file_size=Bestânsgrutte: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Titel: document_properties_author=Auteur: @@ -75,6 +79,8 @@ document_properties_subject=Underwerp: document_properties_keywords=Kaaiwurden: document_properties_creation_date=Oanmaakdatum: document_properties_modification_date=Bewurkingsdatum: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Makker: document_properties_producer=PDF-makker: @@ -118,8 +124,8 @@ find_next.title=It folgjende foarkommen fan de tekst sykje find_next_label=Folgjende find_highlight=Alles markearje find_match_case_label=Haadlettergefoelich -find_reached_top=Boppekant fan dokumint berikt, trochgien fanôf ûnderkant -find_reached_bottom=Ein fan dokumint berikt, trochgien fanôf boppekant +find_reached_top=Boppekant fan dokumint berikt, trochgien fanôf ûnder +find_reached_bottom=Ein fan dokumint berikt, trochgien fanôf boppe find_not_found=Tekst net fûn # Error panel labels @@ -128,7 +134,7 @@ error_less_info=Minder ynformaasje error_close=Slute # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. -error_version_info=PDF.js v{{version}} (build: {{build}}) +error_version_info=PDF.js f{{version}} (build: {{build}}) # LOCALIZATION NOTE (error_message): "{{message}}" will be replaced by an # english string describing the error. error_message=Berjocht: {{message}} @@ -146,24 +152,28 @@ page_scale_width=Sidebreedte page_scale_fit=Hiele side page_scale_auto=Automatysk zoome page_scale_actual=Wurklike grutte +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Flater loading_error=Der is in flater bard by it laden fan de PDF. invalid_file_error=Ynfalide of korruptearre PDF-bestân. missing_file_error=PDF-bestân ûntbrekt. +unexpected_response_error=Unferwacht tsjinnerantwurd. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" -text_annotation_type.alt=[{{type}} Annotation] +text_annotation_type.alt=[{{type}}-annotaasje] password_label=Jou it wachtwurd om dit PDF-bestân te iepenjen. password_invalid=Ferkeard wachtwurd. Probearje opnij. password_ok=OK password_cancel=Annulearje -printing_not_supported=Warning: Printing is net folslein stipe troch dizze browser. +printing_not_supported=Warning: Printen is net folslein stipe troch dizze browser. printing_not_ready=Warning: PDF is net folslein laden om ôf te drukken. web_fonts_disabled=Weblettertypen binne útskeakele: gebrûk fan ynsluten PDF-lettertypen is net mooglik. document_colors_disabled=PDF-dokuminten binne net tastien om har eigen kleuren te brûken: ‘Siden tastean har eigen kleuren te kiezen’ is útskeakele yn de browser. diff --git a/pdf.js/locale/ga-IE/viewer.properties b/pdf.js/locale/ga-IE/viewer.properties index 66c4876..7fa5076 100644 --- a/pdf.js/locale/ga-IE/viewer.properties +++ b/pdf.js/locale/ga-IE/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Airíonna na Cáipéise… document_properties_label=Airíonna na Cáipéise… document_properties_file_name=Ainm an chomhaid: document_properties_file_size=Méid an chomhaid: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} kB ({{size_b}} beart) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} beart) document_properties_title=Teideal: document_properties_author=Údar: @@ -75,6 +79,8 @@ document_properties_subject=Ábhar: document_properties_keywords=Eochairfhocail: document_properties_creation_date=Dáta Cruthaithe: document_properties_modification_date=Dáta Athraithe: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Cruthaitheoir: document_properties_producer=Cruthaitheoir an PDF: @@ -140,12 +146,16 @@ page_scale_width=Leithead Leathanaigh page_scale_fit=Laghdaigh go dtí an Leathanach page_scale_auto=Súmáil Uathoibríoch page_scale_actual=Fíormhéid +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Earráid loading_error=Tharla earráid agus an cháipéis PDF á luchtú. invalid_file_error=Comhad neamhbhailí nó truaillithe PDF. missing_file_error=Comhad PDF ar iarraidh. +unexpected_response_error=Freagra ón bhfreastalaí gan súil leis. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Cealaigh printing_not_supported=Rabhadh: Ní thacaíonn an brabhsálaí le priontáil go hiomlán. printing_not_ready=Rabhadh: Ní féidir an PDF a phriontáil go dtí go mbeidh an cháipéis iomlán luchtaithe. web_fonts_disabled=Tá clófhoirne Gréasáin díchumasaithe: ní féidir clófhoirne leabaithe PDF a úsáid. -document_colors_disabled=Níl cead ag cáipéisí PDF a ndathanna féin a roghnú; tá 'Tabhair cead do leathanaigh a ndathanna féin a roghnú' díchumasaithe sa mbrabhsálaí. +document_colors_not_allowed=Níl cead ag cáipéisí PDF a ndathanna féin a roghnú; tá 'Tabhair cead do leathanaigh a ndathanna féin a roghnú' díchumasaithe sa mbrabhsálaí. diff --git a/pdf.js/locale/gd/viewer.properties b/pdf.js/locale/gd/viewer.properties index f535f06..509b71b 100644 --- a/pdf.js/locale/gd/viewer.properties +++ b/pdf.js/locale/gd/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Roghainnean na sgrìobhainne… document_properties_label=Roghainnean na sgrìobhainne… document_properties_file_name=Ainm an fhaidhle: document_properties_file_size=Meud an fhaidhle: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Tiotal: document_properties_author=Ùghdar: @@ -75,6 +79,8 @@ document_properties_subject=Cuspair: document_properties_keywords=Faclan-luirg: document_properties_creation_date=Latha a chruthachaidh: document_properties_modification_date=Latha atharrachaidh: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Cruthadair: document_properties_producer=Saothraiche a' PDF: @@ -140,12 +146,16 @@ page_scale_width=Leud na duilleige page_scale_fit=Freagair ri meud na duilleige page_scale_auto=Sùm fèin-obrachail page_scale_actual=Am fìor-mheud +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Mearachd loading_error=Thachair mearachd rè luchdadh a' PDF. invalid_file_error=Faidhle PDF a tha mì-dhligheach no coirbte. missing_file_error=Faidhle PDF a tha a dhìth. +unexpected_response_error=Freagairt on fhrithealaiche ris nach robh dùil. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Sguir dheth printing_not_supported=Rabhadh: Chan eil am brabhsair seo a' cur làn-taic ri clò-bhualadh. printing_not_ready=Rabhadh: Cha deach am PDF a luchdadh gu tur airson clò-bhualadh. web_fonts_disabled=Tha cruthan-clò lìn à comas: Chan urrainn dhuinn cruthan-clò PDF leabaichte a chleachdadh. -document_colors_disabled=Chan fhaod sgrìobhainnean PDF na dathan aca fhèin a chleachdadh: Tha "Leig le duilleagan na dathan aca fhèin a chleachdadh" à comas sa bhrabhsair. +document_colors_not_allowed=Chan fhaod sgrìobhainnean PDF na dathan aca fhèin a chleachdadh: Tha "Leig le duilleagan na dathan aca fhèin a chleachdadh" à comas sa bhrabhsair. diff --git a/pdf.js/locale/gl/viewer.properties b/pdf.js/locale/gl/viewer.properties index 08729fe..0acc4f7 100644 --- a/pdf.js/locale/gl/viewer.properties +++ b/pdf.js/locale/gl/viewer.properties @@ -30,17 +30,64 @@ zoom_out_label=Reducir zoom_in.title=Ampliar zoom_in_label=Ampliar zoom.title=Zoom -print.title=Imprimir -print_label=Imprimir presentation_mode.title=Cambiar ao modo presentación presentation_mode_label=Modo presentación open_file.title=Abrir ficheiro open_file_label=Abrir +print.title=Imprimir +print_label=Imprimir download.title=Descargar download_label=Descargar bookmark.title=Vista actual (copiar ou abrir nunha nova xanela) bookmark_label=Vista actual +# Secondary toolbar and context menu +tools.title=Ferramentas +tools_label=Ferramentas +first_page.title=Ir á primeira páxina +first_page.label=Ir á primeira páxina +first_page_label=Ir á primeira páxina +last_page.title=Ir á última páxina +last_page.label=Ir á última páxina +last_page_label=Ir á última páxina +page_rotate_cw.title=Rotar no sentido das agullas do reloxo +page_rotate_cw.label=Rotar no sentido das agullas do reloxo +page_rotate_cw_label=Rotar no sentido das agullas do reloxo +page_rotate_ccw.title=Rotar no sentido contrario ás agullas do reloxo +page_rotate_ccw.label=Rotar no sentido contrario ás agullas do reloxo +page_rotate_ccw_label=Rotar no sentido contrario ás agullas do reloxo + +hand_tool_enable.title=Activar ferramenta man +hand_tool_enable_label=Activar ferramenta man +hand_tool_disable.title=Desactivar ferramenta man +hand_tool_disable_label=Desactivar ferramenta man + +# Document properties dialog box +document_properties.title=Propiedades do documento… +document_properties_label=Propiedades do documento… +document_properties_file_name=Nome do ficheiro: +document_properties_file_size=Tamaño do ficheiro: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} MB ({{size_b}} bytes) +document_properties_title=Título: +document_properties_author=Autor: +document_properties_subject=Asunto: +document_properties_keywords=Palabras clave: +document_properties_creation_date=Data de creación: +document_properties_modification_date=Data de modificación: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. +document_properties_date_string={{date}}, {{time}} +document_properties_creator=Creado por: +document_properties_producer=Xenerador do PDF: +document_properties_version=Versión de PDF: +document_properties_page_count=Número de páxinas: +document_properties_close=Pechar + # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) @@ -48,14 +95,13 @@ toggle_sidebar.title=Amosar/agochar a barra lateral toggle_sidebar_label=Amosar/agochar a barra lateral outline.title=Amosar esquema do documento outline_label=Esquema do documento +attachments.title=Amosar anexos +attachments_label=Anexos thumbs.title=Amosar miniaturas thumbs_label=Miniaturas findbar.title=Atopar no documento findbar_label=Atopar -# Document outline messages -no_outline=Ningún esquema dispoñíbel - # Thumbnails panel item (tooltip and alt text for images) # LOCALIZATION NOTE (thumb_page_title): "{{page}}" will be replaced by the page # number. @@ -64,12 +110,6 @@ thumb_page_title=Páxina {{page}} # number. thumb_page_canvas=Miniatura da páxina {{page}} -# Context menu -first_page.label=Ir á primeira páxina -last_page.label=Ir á última páxina -page_rotate_cw.label=Rotar no sentido das agullas do reloxo -page_rotate_ccw.label=Rotar no sentido contrario ás agullas do reloxo - # Find panel button title and messages find_label=Atopar: find_previous.title=Atopar a anterior aparición da frase @@ -106,19 +146,28 @@ page_scale_width=Largura da páxina page_scale_fit=Axuste de páxina page_scale_auto=Zoom automático page_scale_actual=Tamaño actual +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Erro loading_error=Produciuse un erro ao cargar o PDF. invalid_file_error=Ficheiro PDF danado ou incorrecto. missing_file_error=Falta o ficheiro PDF. +unexpected_response_error=Resposta inesperada do servidor. -# LOCALIZATION NOTE (text_annotation_type): This is used as a tooltip. +# LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" -text_annotation_type=[Anotación {{type}}] -request_password=O PDF está protexido por un contrasinal: +text_annotation_type.alt=[Anotación {{type}}] +password_label=Escriba o contrasinal para abrir este ficheiro PDF. +password_invalid=Contrasinal incorrecto. Tente de novo. +password_ok=Aceptar +password_cancel=Cancelar printing_not_supported=Aviso: A impresión non é compatíbel de todo con este navegador. +printing_not_ready=Aviso: O PDF non se cargou completamente para imprimirse. web_fonts_disabled=Desactiváronse as fontes web: foi imposíbel usar as fontes incrustadas no PDF. +document_colors_disabled=Non se permite que os documentos PDF usen as súas propias cores: «Permitir que as páxinas escollan as súas propias cores» está desactivado no navegador. diff --git a/pdf.js/locale/gu-IN/viewer.properties b/pdf.js/locale/gu-IN/viewer.properties index 1e58d3f..df6bb15 100644 --- a/pdf.js/locale/gu-IN/viewer.properties +++ b/pdf.js/locale/gu-IN/viewer.properties @@ -1,12 +1,22 @@ -# This Source Code Form is subject to the terms of the Mozilla Public -# License, v. 2.0. If a copy of the MPL was not distributed with this -# file, You can obtain one at http://mozilla.org/MPL/2.0/. +# Copyright 2012 Mozilla Foundation +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. # Main toolbar buttons (tooltips and alt text for images) previous.title=પહેલાનુ પાનું previous_label=પહેલાનુ next.title=આગળનુ પાનું - next_label=આગળનું +next_label=આગળનું # LOCALIZATION NOTE (page_label, page_of): # These strings are concatenated to form the "Page: X of Y" string. @@ -14,43 +24,107 @@ next.title=આગળનુ પાનું # representing the total number of pages. page_label=પાનું: page_of={{pageCount}} નું + zoom_out.title=મોટુ કરો zoom_out_label=મોટુ કરો zoom_in.title=નાનું કરો zoom_in_label=નાનું કરો zoom.title=નાનું મોટુ કરો -print.title=છાપો -print_label=છારો +presentation_mode.title=રજૂઆત સ્થિતિમાં જાવ +presentation_mode_label=રજૂઆત સ્થિતિ open_file.title=ફાઇલ ખોલો open_file_label=ખોલો +print.title=છાપો +print_label=છારો download.title=ડાઉનલોડ download_label=ડાઉનલોડ bookmark.title=વર્તમાન દૃશ્ય (નવી વિન્ડોમાં નકલ કરો અથવા ખોલો) bookmark_label=વર્તમાન દૃશ્ય +# Secondary toolbar and context menu +tools.title=સાધનો +tools_label=સાધનો +first_page.label=પહેલાં પાનામાં જાવ +first_page_label=પ્રથમ પાનાં પર જાવ +last_page.label=છેલ્લા પાનામાં જાવ +last_page_label=છેલ્લા પાનાં પર જાવ +page_rotate_cw.label=ઘડિયાળનાં કાંટાની જેમ ફેરવો +page_rotate_cw_label=ઘડિયાળનાં કાંટા તરફ ફેરવો +page_rotate_ccw.label=ઘડિયાળનાં કાંટાની ઉલટી દિશામાં ફેરવો +page_rotate_ccw_label=ઘડિયાળનાં કાંટાની વિરુદ્દ ફેરવો + +hand_tool_enable.title=હાથનાં સાધનને સક્રિય કરો +hand_tool_enable_label=હાથનાં સાધનને સક્રિય કરો +hand_tool_disable.title=હાથનાં સાધનને નિષ્ક્રિય કરો +hand_tool_disable_label=હાથનાં સાધનને નિષ્ક્રિય કરો + +# Document properties dialog box +document_properties.title=દસ્તાવેજ ગુણધર્મો… +document_properties_label=દસ્તાવેજ ગુણધર્મો… +document_properties_file_name=ફાઇલ નામ: +document_properties_file_size=ફાઇલ માપ: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +document_properties_kb={{size_kb}} KB ({{size_b}} બાઇટ) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} MB ({{size_b}} બાઇટ) +document_properties_title=શીર્ષક: +document_properties_author=લેખક: +document_properties_subject=વિષય: +document_properties_keywords=કિવર્ડ: +document_properties_creation_date=નિર્માણ તારીખ: +document_properties_modification_date=ફેરફાર તારીખ: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. +document_properties_date_string={{date}}, {{time}} +document_properties_creator=નિર્માતા: +document_properties_producer=PDF નિર્માતા: +document_properties_version=PDF આવૃત્તિ: +document_properties_page_count=પાનાં ગણતરી: +document_properties_close=બંધ કરો + # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) +toggle_sidebar.title=ટૉગલ બાજુપટ્ટી +toggle_sidebar_label=ટૉગલ બાજુપટ્ટી outline.title=દસ્તાવેજ રૂપરેખા બતાવો outline_label=દસ્તાવેજ રૂપરેખા +attachments.title=જોડાણોને બતાવો +attachments_label=જોડાણો thumbs.title=થંબનેલ્સ બતાવો thumbs_label=થંબનેલ્સ - -# Document outline messages - +findbar.title=દસ્તાવેજમાં શોધો +findbar_label=શોધો # Thumbnails panel item (tooltip and alt text for images) # LOCALIZATION NOTE (thumb_page_title): "{{page}}" will be replaced by the page # number. thumb_page_title=પાનું {{page}} - # LOCALIZATION NOTE (thumb_page_canvas): "{{page}}" will be replaced by the page # number. thumb_page_canvas=પાનાં {{page}} નું થંબનેલ્સ + +# Find panel button title and messages +find_label=શોધો: +find_previous.title=શબ્દસમૂહની પાછલી ઘટનાને શોધો +find_previous_label=પહેલાંનુ +find_next.title=શબ્દસમૂહની આગળની ઘટનાને શોધો +find_next_label=આગળનું +find_highlight=બધુ પ્રકાશિત કરો +find_match_case_label=કેસ બંધબેસાડો +find_reached_top=દસ્તાવેજનાં ટોચે પહોંચી ગયા, તળિયેથી ચાલુ કરેલ હતુ +find_reached_bottom=દસ્તાવેજનાં અંતે પહોંચી ગયા, ઉપરથી ચાલુ કરેલ હતુ +find_not_found=શબ્દસમૂહ મળ્યુ નથી + # Error panel labels error_more_info=વધારે જાણકારી error_less_info=ઓછી જાણકારી error_close=બંધ કરો +# LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be +# replaced by the PDF.JS version and build ID. +error_version_info=PDF.js v{{version}} (build: {{build}}) # LOCALIZATION NOTE (error_message): "{{message}}" will be replaced by an # english string describing the error. error_message=સંદેશો: {{message}} @@ -62,88 +136,32 @@ error_file=ફાઇલ: {{file}} # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number error_line=વાક્ય: {{line}} rendering_error=ભૂલ ઉદ્ભવી જ્યારે પાનાંનુ રેન્ડ કરી રહ્યા હોય. + # Predefined zoom values page_scale_width=પાનાની પહોળાઇ page_scale_fit=પાનું બંધબેસતુ page_scale_auto=આપમેળે નાનુંમોટુ કરો page_scale_actual=ચોક્કસ માપ -# Loading indicator messages -# LOCALIZATION NOTE (error_line): "{{[percent}}" will be replaced with a percentage +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +# Loading indicator messages loading_error_indicator=ભૂલ loading_error=ભૂલ ઉદ્ભવી જ્યારે PDF ને લાવી રહ્યા હોય. -# LOCALIZATION NOTE (text_annotation_type): This is used as a tooltip. -# "{{[type}}" will be replaced with an annotation type from a list defined in +invalid_file_error=અયોગ્ય અથવા ભાંગેલ PDF ફાઇલ. +missing_file_error=ગુમ થયેલ PDF ફાઇલ. + +# LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. +# "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" +text_annotation_type.alt=[{{type}} Annotation] +password_label=આ PDF ફાઇલને ખોલવા પાસવર્ડને દાખલ કરો. +password_invalid=અયોગ્ય પાસવર્ડ. મહેરબાની કરીને ફરી પ્રયત્ન કરો. +password_ok=બરાબર +password_cancel=રદ કરો printing_not_supported=ચેતવણી: છાપવાનું આ બ્રાઉઝર દ્દારા સંપૂર્ણપણે આધારભૂત નથી. - -error_version_info=PDF.js v{{version}} (build: {{build}}) -find_highlight=બધુ પ્રકાશિત કરો -find_label=શોધો: -find_match_case_label=કેસ બંધબેસાડો -find_next.title=શબ્દસમૂહની આગળની ઘટનાને શોધો -find_next_label=આગળનું -find_not_found=શબ્દસમૂહ મળ્યુ નથી -find_previous.title=શબ્દસમૂહની પાછલી ઘટનાને શોધો -find_previous_label=પહેલાંનુ -find_reached_bottom=દસ્તાવેજનાં અંતે પહોંચી ગયા, ઉપરથી ચાલુ કરેલ હતુ -find_reached_top=દસ્તાવેજનાં ટોચે પહોંચી ગયા, તળિયેથી ચાલુ કરેલ હતુ -findbar.title=દસ્તાવેજમાં શોધો -findbar_label=શોધો -first_page.label=પહેલાં પાનામાં જાવ -invalid_file_error=અયોગ્ય અથવા ભાંગેલ PDF ફાઇલ. -last_page.label=છેલ્લા પાનામાં જાવ -missing_file_error=ગુમ થયેલ PDF ફાઇલ. -page_rotate_ccw.label=ઘડિયાળનાં કાંટાની ઉલટી દિશામાં ફેરવો -page_rotate_cw.label=ઘડિયાળનાં કાંટાની જેમ ફેરવો -presentation_mode.title=રજૂઆત સ્થિતિમાં જાવ -presentation_mode_label=રજૂઆત સ્થિતિ printing_not_ready=Warning: PDF એ છાપવા માટે સંપૂર્ણપણે લાવેલ છે. -toggle_sidebar.title=ટૉગલ બાજુપટ્ટી -toggle_sidebar_label=ટૉગલ બાજુપટ્ટી web_fonts_disabled=વેબ ફોન્ટ નિષ્ક્રિય થયેલ છે: ઍમ્બેડ થયેલ PDF ફોન્ટને વાપરવાનું અસમર્થ. -document_colors_disabled=PDF દસ્તાવેજો તેનાં પોતાના રંગોને વાપરવા પરવાનગી આપતા નથી: 'તેનાં પોતાનાં રંગોને પસંદ કરવા માટે પાનાંને પરવાનગી આપો' બ્રાઉઝરમાં નિષ્ક્રિય થયેલ છે. -text_annotation_type.alt=[{{type}} Annotation] - -attachments.title=જોડાણોને બતાવો -attachments_label=જોડાણો -document_properties_author=લેખક: -document_properties_close=બંધ કરો -document_properties_creation_date=નિર્માણ તારીખ: -document_properties_creator=નિર્માતા: -document_properties_date_string={{date}}, {{time}} -document_properties_file_name=ફાઇલ નામ: -document_properties_file_size=ફાઇલ માપ: -document_properties_kb={{size_kb}} KB ({{size_b}} બાઇટ) -document_properties_keywords=કિવર્ડ: -document_properties_label=દસ્તાવેજ ગુણધર્મો… -document_properties_mb={{size_mb}} MB ({{size_b}} બાઇટ) -document_properties_modification_date=ફેરફાર તારીખ: -document_properties_page_count=પાનાં ગણતરી: -document_properties_producer=PDF નિર્માતા: -document_properties_subject=વિષય: -document_properties_title=શીર્ષક: -first_page.title=પ્રથમ પાનાં પર જાવ -first_page_label=પ્રથમ પાનાં પર જાવ -hand_tool_disable.title=હાથનાં સાધનને નિષ્ક્રિય કરો -hand_tool_disable_label=હાથનાં સાધનને નિષ્ક્રિય કરો -hand_tool_enable.title=હાથનાં સાધનને સક્રિય કરો -hand_tool_enable_label=હાથનાં સાધનને સક્રિય કરો -last_page.title=છેલ્લા પાનાં પર જાવ -last_page_label=છેલ્લા પાનાં પર જાવ -page_rotate_ccw.title=ઘડિયાળનાં કાંટાની વિરુદ્દ ફેરવો -page_rotate_ccw_label=ઘડિયાળનાં કાંટાની વિરુદ્દ ફેરવો -page_rotate_cw.title=ઘડિયાળનાં કાંટા તરફ ફેરવો -page_rotate_cw_label=ઘડિયાળનાં કાંટા તરફ ફેરવો -password_cancel=રદ કરો -password_invalid=અયોગ્ય પાસવર્ડ. મહેરબાની કરીને ફરી પ્રયત્ન કરો. -password_label=આ PDF ફાઇલને ખોલવા પાસવર્ડને દાખલ કરો. -password_ok=બરાબર -tools.title=સાધનો -tools_label=સાધનો - -document_properties_version=PDF આવૃત્તિ: -document_properties.title=દસ્તાવેજ ગુણધર્મો… - +document_colors_not_allowed=PDF દસ્તાવેજો તેનાં પોતાના રંગોને વાપરવા પરવાનગી આપતા નથી: 'તેનાં પોતાનાં રંગોને પસંદ કરવા માટે પાનાંને પરવાનગી આપો' બ્રાઉઝરમાં નિષ્ક્રિય થયેલ છે. diff --git a/pdf.js/locale/he/viewer.properties b/pdf.js/locale/he/viewer.properties index 078d401..10f1177 100644 --- a/pdf.js/locale/he/viewer.properties +++ b/pdf.js/locale/he/viewer.properties @@ -1,6 +1,16 @@ -# This Source Code Form is subject to the terms of the Mozilla Public -# License, v. 2.0. If a copy of the MPL was not distributed with this -# file, You can obtain one at http://mozilla.org/MPL/2.0/. +# Copyright 2012 Mozilla Foundation +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. # Main toolbar buttons (tooltips and alt text for images) previous.title=דף קודם @@ -57,7 +67,11 @@ document_properties.title=מאפייני מסמך… document_properties_label=מאפייני מסמך… document_properties_file_name=שם קובץ: document_properties_file_size=גודל הקובץ: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} ק״ב ({{size_b}} בתים) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} מ״ב ({{size_b}} בתים) document_properties_title=כותרת: document_properties_author=מחבר: @@ -65,12 +79,15 @@ document_properties_subject=נושא: document_properties_keywords=מילות מפתח: document_properties_creation_date=תאריך יצירה: document_properties_modification_date=תאריך שינוי: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=יוצר: document_properties_producer=יצרן PDF: document_properties_version=גרסת PDF: document_properties_page_count=מספר דפים: document_properties_close=סגירה + # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) @@ -78,6 +95,8 @@ toggle_sidebar.title=הצגה/הסתרה של סרגל הצד toggle_sidebar_label=הצגה/הסתרה של סרגל הצד outline.title=הצגת מתאר מסמך outline_label=מתאר מסמך +attachments.title=הצגת צרופות +attachments_label=צרופות thumbs.title=הצגת תצוגה מקדימה thumbs_label=תצוגה מקדימה findbar.title=חיפוש במסמך @@ -127,12 +146,16 @@ page_scale_width=רוחב העמוד page_scale_fit=התאמה לעמוד page_scale_auto=מרחק מתצוגה אוטומטי page_scale_actual=גודל אמתי +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=שגיאה loading_error=אירעה שגיאה בעת טעינת ה־PDF. invalid_file_error=קובץ PDF פגום או לא תקין. missing_file_error=קובץ PDF חסר. +unexpected_response_error=תגובת שרת לא צפויה. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -147,4 +170,4 @@ password_cancel=ביטול printing_not_supported=אזהרה: הדפסה אינה נתמכת במלואה בדפדפן זה. printing_not_ready=אזהרה: ה־PDF לא ניתן לחלוטין עד מצב שמאפשר הדפסה. web_fonts_disabled=גופני רשת מנוטרלים: לא ניתן להשתמש בגופני PDF מוטבעים. -document_colors_disabled=מסמכי PDF לא יכולים להשתמש בצבעים משלהם: האפשרות \\'לאפשר לעמודים לבחור צבעים משלהם\\' אינה פעילה בדפדפן. \ No newline at end of file +document_colors_disabled=מסמכי PDF לא יכולים להשתמש בצבעים משלהם: האפשרות \\'לאפשר לעמודים לבחור צבעים משלהם\\' אינה פעילה בדפדפן. diff --git a/pdf.js/locale/hi-IN/viewer.properties b/pdf.js/locale/hi-IN/viewer.properties index 0c476c9..d65eb92 100644 --- a/pdf.js/locale/hi-IN/viewer.properties +++ b/pdf.js/locale/hi-IN/viewer.properties @@ -25,37 +25,37 @@ next_label=आगे page_label=पृष्ठ: page_of={{pageCount}} का -zoom_out.title=छोटा करें -zoom_out_label=छोटा करें +zoom_out.title=\u0020छोटा करें +zoom_out_label=\u0020छोटा करें zoom_in.title=बड़ा करें zoom_in_label=बड़ा करें zoom.title=बड़ा-छोटा करें presentation_mode.title=प्रस्तुति अवस्था में जाएँ -presentation_mode_label=प्रस्तुति अवस्था +presentation_mode_label=\u0020प्रस्तुति अवस्था open_file.title=फ़ाइल खोलें -open_file_label=खोलें +open_file_label=\u0020खोलें print.title=छापें -print_label=छापें +print_label=\u0020छापें download.title=डाउनलोड download_label=डाउनलोड bookmark.title=मौजूदा दृश्य (नए विंडो में नक़ल लें या खोलें) -bookmark_label=मौजूदा दृश्य +bookmark_label=\u0020मौजूदा दृश्य # Secondary toolbar and context menu tools.title=औज़ार tools_label=औज़ार first_page.title=प्रथम पृष्ठ पर जाएँ -first_page.label=प्रथम पृष्ठ पर जाएँ +first_page.label=\u0020प्रथम पृष्ठ पर जाएँ first_page_label=प्रथम पृष्ठ पर जाएँ last_page.title=अंतिम पृष्ठ पर जाएँ -last_page.label=अंतिम पृष्ठ पर जाएँ -last_page_label=अंतिम पृष्ठ पर जाएँ +last_page.label=\u0020अंतिम पृष्ठ पर जाएँ +last_page_label=\u0020अंतिम पृष्ठ पर जाएँ page_rotate_cw.title=घड़ी की दिशा में घुमाएँ page_rotate_cw.label=घड़ी की दिशा में घुमाएँ page_rotate_cw_label=घड़ी की दिशा में घुमाएँ page_rotate_ccw.title=घड़ी की दिशा से उल्टा घुमाएँ page_rotate_ccw.label=घड़ी की दिशा से उल्टा घुमाएँ -page_rotate_ccw_label=घड़ी की दिशा से उल्टा घुमाएँ +page_rotate_ccw_label=\u0020घड़ी की दिशा से उल्टा घुमाएँ hand_tool_enable.title=हाथ औजार सक्रिय करें hand_tool_enable_label=हाथ औजार सक्रिय करें @@ -67,7 +67,11 @@ document_properties.title=दस्तावेज़ विशेषता... document_properties_label=दस्तावेज़ विशेषता... document_properties_file_name=फ़ाइल नाम: document_properties_file_size=फाइल आकारः +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} बाइट) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} बाइट) document_properties_title=शीर्षक: document_properties_author=लेखकः @@ -75,6 +79,8 @@ document_properties_subject=विषय: document_properties_keywords=कुंजी-शब्द: document_properties_creation_date=निर्माण दिनांक: document_properties_modification_date=संशोधन दिनांक: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=निर्माता: document_properties_producer=PDF उत्पादक: @@ -85,15 +91,15 @@ document_properties_close=बंद करें # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) -toggle_sidebar.title=स्लाइडर टॉगल करें +toggle_sidebar.title=\u0020स्लाइडर टॉगल करें toggle_sidebar_label=स्लाइडर टॉगल करें -outline.title=दस्तावेज़ आउटलाइन दिखाएँ +outline.title=\u0020दस्तावेज़ आउटलाइन दिखाएँ outline_label=दस्तावेज़ आउटलाइन attachments.title=संलग्नक दिखायें attachments_label=संलग्नक thumbs.title=लघुछवियाँ दिखाएँ thumbs_label=लघु छवि -findbar.title=दस्तावेज़ में ढूँढ़ें +findbar.title=\u0020दस्तावेज़ में ढूँढ़ें findbar_label=ढूँढ़ें # Thumbnails panel item (tooltip and alt text for images) @@ -110,7 +116,7 @@ find_previous.title=वाक्यांश की पिछली उपस् find_previous_label=पिछला find_next.title=वाक्यांश की अगली उपस्थिति ढूँढ़ें find_next_label=आगे -find_highlight=सभी आलोकित करें +find_highlight=\u0020सभी आलोकित करें find_match_case_label=मिलान स्थिति find_reached_top=पृष्ठ के ऊपर पहुंच गया, नीचे से जारी रखें find_reached_bottom=पृष्ठ के नीचे में जा पहुँचा, ऊपर से जारी @@ -125,7 +131,7 @@ error_close=बंद करें error_version_info=PDF.js v{{version}} (build: {{build}}) # LOCALIZATION NOTE (error_message): "{{message}}" will be replaced by an # english string describing the error. -error_message=संदेश: {{message}} +error_message=\u0020संदेश: {{message}} # LOCALIZATION NOTE (error_stack): "{{stack}}" will be replaced with a stack # trace. error_stack=स्टैक: {{stack}} @@ -136,28 +142,32 @@ error_line=पंक्ति: {{line}} rendering_error=पृष्ठ रेंडरिंग के दौरान त्रुटि आई. # Predefined zoom values -page_scale_width=पृष्ठ चौड़ाई +page_scale_width=\u0020पृष्ठ चौड़ाई page_scale_fit=पृष्ठ फिट page_scale_auto=स्वचालित जूम page_scale_actual=वास्तविक आकार +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=त्रुटि loading_error=पीडीएफ लोड करते समय एक त्रुटि हुई. invalid_file_error=अमान्य या भ्रष्ट PDF फ़ाइल. -missing_file_error=अनुपस्थित PDF फ़ाइल. +missing_file_error=\u0020अनुपस्थित PDF फ़ाइल. +unexpected_response_error=अप्रत्याशित सर्वर प्रतिक्रिया. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" -text_annotation_type.alt=[{{type}} Annotation] +text_annotation_type.alt=\u0020[{{type}} Annotation] password_label=इस पीडीएफ फ़ाइल को खोलने के लिए कृपया कूटशब्द भरें. password_invalid=अवैध कूटशब्द, कृपया फिर कोशिश करें. password_ok=ठीक password_cancel=रद्द करें printing_not_supported=चेतावनी: इस ब्राउज़र पर छपाई पूरी तरह से समर्थित नहीं है. -printing_not_ready=चेतावनी: पीडीएफ छपाई के लिए पूरी तरह से लोड नहीं है. +printing_not_ready=\u0020चेतावनी: पीडीएफ छपाई के लिए पूरी तरह से लोड नहीं है. web_fonts_disabled=वेब फॉन्ट्स निष्क्रिय हैं: अंतःस्थापित PDF फॉन्टस के उपयोग में असमर्थ. -document_colors_disabled=PDF दस्तावेज़ उनके अपने रंग को उपयोग करने के लिए अनुमति प्राप्त नहीं है: 'पृष्ठों को उनके अपने रंग को चुनने के लिए स्वीकृति दें कि वह उस ब्राउज़र में निष्क्रिय है. +document_colors_not_allowed=PDF दस्तावेज़ उनके अपने रंग को उपयोग करने के लिए अनुमति प्राप्त नहीं है: 'पृष्ठों को उनके अपने रंग को चुनने के लिए स्वीकृति दें कि वह उस ब्राउज़र में निष्क्रिय है. diff --git a/pdf.js/locale/hr/viewer.properties b/pdf.js/locale/hr/viewer.properties index 9c829b3..b163fdb 100644 --- a/pdf.js/locale/hr/viewer.properties +++ b/pdf.js/locale/hr/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Svojstva dokumenta... document_properties_label=Svojstva dokumenta... document_properties_file_name=Naziv datoteke: document_properties_file_size=Veličina datoteke: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bajtova) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bajtova) document_properties_title=Naslov: document_properties_author=Autor: @@ -75,6 +79,8 @@ document_properties_subject=Predmet: document_properties_keywords=Ključne riječi: document_properties_creation_date=Datum stvaranja: document_properties_modification_date=Datum promjene: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Stvaralac: document_properties_producer=PDF stvaratelj: @@ -140,12 +146,16 @@ page_scale_width=Širina stranice page_scale_fit=Pristajanje stranici page_scale_auto=Automatsko uvećanje page_scale_actual=Prava veličina +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Greška loading_error=Došlo je do greške pri učitavanju PDF-a. invalid_file_error=Kriva ili oštećena PDF datoteka. missing_file_error=Nedostaje PDF datoteka. +unexpected_response_error=Neočekivani odgovor poslužitelja. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Odustani printing_not_supported=Upozorenje: Ispisivanje nije potpuno podržano u ovom pregledniku. printing_not_ready=Upozorenje: PDF nije u potpunosti učitan za ispis. web_fonts_disabled=Web fontovi su onemogućeni: nije moguće koristiti umetnute PDF fontove. -document_colors_disabled=PDF dokumenti nemaju dopuštene koristiti vlastite boje: opcija 'Dopusti stranicama da koriste vlastite boje' je deaktivirana. +document_colors_not_allowed=PDF dokumenti nemaju dopuštene koristiti vlastite boje: opcija 'Dopusti stranicama da koriste vlastite boje' je deaktivirana. diff --git a/pdf.js/locale/hu/viewer.properties b/pdf.js/locale/hu/viewer.properties index b7a6973..549137c 100644 --- a/pdf.js/locale/hu/viewer.properties +++ b/pdf.js/locale/hu/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Dokumentum tulajdonságai… document_properties_label=Dokumentum tulajdonságai… document_properties_file_name=Fájlnév: document_properties_file_size=Fájlméret: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bájt) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bájt) document_properties_title=Cím: document_properties_author=Szerző: @@ -75,6 +79,8 @@ document_properties_subject=Tárgy: document_properties_keywords=Kulcsszavak: document_properties_creation_date=Létrehozás dátuma: document_properties_modification_date=Módosítás dátuma: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Létrehozta: document_properties_producer=PDF előállító: @@ -117,7 +123,7 @@ find_reached_bottom=A dokumentum vége elérve, folytatás az elejétől find_not_found=A kifejezés nem található # Error panel labels -error_more_info=További információ +error_more_info=További tudnivalók error_less_info=Kevesebb információ error_close=Bezárás # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be @@ -140,12 +146,16 @@ page_scale_width=Oldalszélesség page_scale_fit=Teljes oldal page_scale_auto=Automatikus nagyítás page_scale_actual=Valódi méret +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Hiba loading_error=Hiba történt a PDF betöltésekor. invalid_file_error=Érvénytelen vagy sérült PDF fájl. missing_file_error=Hiányzó PDF fájl. +unexpected_response_error=Váratlan kiszolgálóválasz. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Mégse printing_not_supported=Figyelmeztetés: Ez a böngésző nem teljesen támogatja a nyomtatást. printing_not_ready=Figyelmeztetés: A PDF nincs teljesen betöltve a nyomtatáshoz. web_fonts_disabled=Webes betűkészletek letiltva: nem használhatók a beágyazott PDF betűkészletek. -document_colors_disabled=A PDF dokumentumok nem használhatják saját színeiket: „Az oldalak a saját maguk által kiválasztott színeket használhatják” beállítás ki van kapcsolva a böngészőben. +document_colors_not_allowed=A PDF dokumentumok nem használhatják saját színeiket: „Az oldalak a saját maguk által kiválasztott színeket használhatják” beállítás ki van kapcsolva a böngészőben. diff --git a/pdf.js/locale/hy-AM/viewer.properties b/pdf.js/locale/hy-AM/viewer.properties index eda4975..d490517 100644 --- a/pdf.js/locale/hy-AM/viewer.properties +++ b/pdf.js/locale/hy-AM/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Փաստաթղթի հատկությունները... document_properties_label=Փաստաթղթի հատկությունները... document_properties_file_name=Ֆայլի անունը. document_properties_file_size=Ֆայլի չափը. +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} ԿԲ ({{size_b}} բայթ) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} ՄԲ ({{size_b}} բայթ) document_properties_title=Վերնագիր. document_properties_author=Հեղինակ․ @@ -75,6 +79,8 @@ document_properties_subject=Վերնագիր. document_properties_keywords=Հիմնաբառ. document_properties_creation_date=Ստեղծելու ամսաթիվը. document_properties_modification_date=Փոփոխելու ամսաթիվը. +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Ստեղծող. document_properties_producer=PDF-ի հեղինակը. @@ -94,7 +100,7 @@ attachments_label=Կցորդներ thumbs.title=Ցուցադրել Մանրապատկերը thumbs_label=Մանրապատկերը findbar.title=Գտնել փաստաթղթում -findbar_label=Փնտրել +findbar_label=Որոնում # Thumbnails panel item (tooltip and alt text for images) # LOCALIZATION NOTE (thumb_page_title): "{{page}}" will be replaced by the page @@ -110,7 +116,7 @@ find_previous.title=Գտնել անրահայտության նախորդ հան find_previous_label=Նախորդը find_next.title=Գտիր արտահայտության հաջորդ հանդիպումը find_next_label=Հաջորդը -find_highlight=Նշագծել Բոլորը +find_highlight=Գունանշել բոլորը find_match_case_label=Մեծ(փոքր)ատառ հաշվի առնել find_reached_top=Հասել եք փաստաթղթի վերևին, կշարունակվի ներքևից find_reached_bottom=Հասել եք փաստաթղթի վերջին, կշարունակվի վերևից @@ -140,12 +146,16 @@ page_scale_width=Էջի լայնքը page_scale_fit=Ձգել էջը page_scale_auto=Ինքնաշխատ page_scale_actual=Իրական չափը +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Սխալ loading_error=Սխալ՝ PDF ֆայլը բացելիս։ invalid_file_error=Սխալ կամ բնասված PDF ֆայլ: missing_file_error=PDF ֆայլը բացակայում է: +unexpected_response_error=Սպասարկիչի անսպասելի պատասխան: # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Չեղարկել printing_not_supported=Զգուշացում. Տպելը ամբողջությամբ չի աջակցվում դիտարկիչի կողմից։ printing_not_ready=Զգուշացում. PDF-ը ամբողջությամբ չի բեռնավորվել տպելու համար: web_fonts_disabled=Վեբ-տառատեսակները անջատված են. հնարավոր չէ օգտագործել ներկառուցված PDF տառատեսակները: -document_colors_disabled=PDF փաստաթղթերին թույլատրված չէ օգտագործել իրենց սեփական գույները: 'Թույլատրել էջերին ընտրել իրենց սեփական գույները' ընտրանքը անջատված է դիտարկիչում: +document_colors_not_allowed=PDF փաստաթղթերին թույլատրված չէ օգտագործել իրենց սեփական գույները: 'Թույլատրել էջերին ընտրել իրենց սեփական գույները' ընտրանքը անջատված է դիտարկիչում: diff --git a/pdf.js/locale/id/viewer.properties b/pdf.js/locale/id/viewer.properties index 698a2ba..762a472 100644 --- a/pdf.js/locale/id/viewer.properties +++ b/pdf.js/locale/id/viewer.properties @@ -30,12 +30,12 @@ zoom_out_label=Perkecil zoom_in.title=Perbesar zoom_in_label=Perbesar zoom.title=Perbesaran -print.title=Cetak -print_label=Cetak presentation_mode.title=Ganti ke Mode Presentasi presentation_mode_label=Mode Presentasi open_file.title=Buka Berkas open_file_label=Buka +print.title=Cetak +print_label=Cetak download.title=Unduh download_label=Unduh bookmark.title=Tampilan Sekarang (salin atau buka di jendela baru) @@ -45,10 +45,10 @@ bookmark_label=Tampilan Sekarang tools.title=Alat tools_label=Alat first_page.title=Buka Halaman Pertama -first_page.label=Buka Halaman Pertama +first_page.label=Ke Halaman Pertama first_page_label=Buka Halaman Pertama last_page.title=Buka Halaman Terakhir -last_page.label=Buka Halaman Terakhir +last_page.label=Ke Halaman Terakhir last_page_label=Buka Halaman Terakhir page_rotate_cw.title=Putar Searah Jarum Jam page_rotate_cw.label=Putar Searah Jarum Jam @@ -67,7 +67,11 @@ document_properties.title=Properti Dokumen… document_properties_label=Properti Dokumen… document_properties_file_name=Nama berkas: document_properties_file_size=Ukuran berkas: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} byte) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} byte) document_properties_title=Judul: document_properties_author=Penyusun: @@ -75,6 +79,8 @@ document_properties_subject=Subjek: document_properties_keywords=Kata Kunci: document_properties_creation_date=Tanggal Dibuat: document_properties_modification_date=Tanggal Dimodifikasi: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Pembuat: document_properties_producer=Pemroduksi PDF: @@ -104,19 +110,13 @@ thumb_page_title=Laman {{page}} # number. thumb_page_canvas=Miniatur Laman {{page}} -# Context menu -first_page.label=Ke Halaman Pertama -last_page.label=Ke Halaman Terakhir -page_rotate_cw.label=Putar Searah Jarum Jam -page_rotate_ccw.label=Putar Berlawanan Arah Jarum Jam - # Find panel button title and messages find_label=Temukan: find_previous.title=Temukan kata sebelumnya find_previous_label=Sebelumnya find_next.title=Temukan lebih lanjut find_next_label=Selanjutnya -find_highlight=Sorot semu&anya +find_highlight=Sorot semuanya find_match_case_label=Cocokkan BESAR/kecil find_reached_top=Sampai di awal dokumen, dilanjutkan dari bawah find_reached_bottom=Sampai di akhir dokumen, dilanjutkan dari atas @@ -146,14 +146,18 @@ page_scale_width=Lebar Laman page_scale_fit=Muat Laman page_scale_auto=Perbesaran Otomatis page_scale_actual=Ukuran Asli +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Galat loading_error=Galat terjadi saat memuat PDF. invalid_file_error=Berkas PDF tidak valid atau rusak. missing_file_error=Berkas PDF tidak ada. +unexpected_response_error=Balasan server yang tidak diharapkan. -# LOCALIZATION NOTE (text_annotation_type): This is used as a tooltip. +# LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" @@ -166,4 +170,4 @@ password_cancel=Batal printing_not_supported=Peringatan: Pencetakan tidak didukung secara lengkap pada peramban ini. printing_not_ready=Peringatan: Berkas PDF masih belum dimuat secara lengkap untuk dapat dicetak. web_fonts_disabled=Font web dinonaktifkan: tidak dapat menggunakan font PDF yang tersemat. -document_colors_disabled=Dokumen PDF tidak diizinkan untuk menggunakan warnanya sendiri karena setelan \'Izinkan laman memilih warna sendiri\’ dinonaktifkan pada pengaturan. +document_colors_not_allowed=Dokumen PDF tidak diizinkan untuk menggunakan warnanya sendiri karena setelan 'Izinkan laman memilih warna sendiri' dinonaktifkan pada pengaturan. diff --git a/pdf.js/locale/is/viewer.properties b/pdf.js/locale/is/viewer.properties index 9c81b24..e969f4e 100644 --- a/pdf.js/locale/is/viewer.properties +++ b/pdf.js/locale/is/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Eiginleikar skjals… document_properties_label=Eiginleikar skjals… document_properties_file_name=Skráarnafn: document_properties_file_size=Skrárstærð: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Titill: document_properties_author=Hönnuður: @@ -75,6 +79,8 @@ document_properties_subject=Efni: document_properties_keywords=Stikkorð: document_properties_creation_date=Búið til: document_properties_modification_date=Dags breytingar: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Höfundur: document_properties_producer=PDF framleiðandi: @@ -140,12 +146,16 @@ page_scale_width=Síðubreidd page_scale_fit=Passa á síðu page_scale_auto=Sjálfvirkur aðdráttur page_scale_actual=Raunstærð +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Villa loading_error=Villa kom upp við að hlaða inn PDF. invalid_file_error=Ógild eða skemmd PDF skrá. missing_file_error=Vantar PDF skrá. +unexpected_response_error=Óvænt svar frá netþjóni. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Hætta við printing_not_supported=Aðvörun: Prentun er ekki með fyllilegan stuðning á þessum vafra. printing_not_ready=Aðvörun: Ekki er búið að hlaða inn allri PDF skránni fyrir prentun. web_fonts_disabled=Vef leturgerðir eru óvirkar: get ekki notað innbyggðar PDF leturgerðir. -document_colors_disabled=PDF skjöl hafa ekki leyfi til að nota sína eigin liti: 'Leyfa síðum að velja eigin liti' er óvirkt í vafranum. +document_colors_not_allowed=PDF skjöl hafa ekki leyfi til að nota sína eigin liti: 'Leyfa síðum að velja eigin liti' er óvirkt í vafranum. diff --git a/pdf.js/locale/it/viewer.properties b/pdf.js/locale/it/viewer.properties index 7457e21..e9c633a 100644 --- a/pdf.js/locale/it/viewer.properties +++ b/pdf.js/locale/it/viewer.properties @@ -46,7 +46,7 @@ document_properties_label = Proprietà del documento… document_properties_file_name = Nome file: document_properties_file_size = Dimensione file: document_properties_kb = {{size_kb}} kB ({{size_b}} byte) -document_properties_mb = {{size_kb}} MB ({{size_b}} byte) +document_properties_mb = {{size_mb}} MB ({{size_b}} byte) document_properties_title = Titolo: document_properties_author = Autore: document_properties_subject = Oggetto: @@ -94,10 +94,12 @@ page_scale_width = Larghezza pagina page_scale_fit = Adatta a una pagina page_scale_auto = Zoom automatico page_scale_actual = Dimensioni effettive +page_scale_percent = {{scale}}% loading_error_indicator = Errore loading_error = Si è verificato un errore durante il caricamento del PDF. invalid_file_error = File PDF non valido o danneggiato. missing_file_error = File PDF non disponibile. +unexpected_response_error = Risposta imprevista del server text_annotation_type.alt = [Annotazione: {{type}}] password_label = Inserire la password per aprire questo file PDF. password_invalid = Password non corretta. Riprovare. @@ -106,4 +108,4 @@ password_cancel = Annulla printing_not_supported = Attenzione: la stampa non è completamente supportata da questo browser. printing_not_ready = Attenzione: il PDF non è ancora stato caricato completamente per la stampa. web_fonts_disabled = I web font risultano disattivati: impossibile utilizzare i caratteri inclusi nel PDF. -document_colors_disabled = Non è possibile per i documenti PDF utilizzare i propri colori: l’opzione del browser “Permetti alle pagine di scegliere i propri colori invece di quelli impostati” è disattivata. +document_colors_not_allowed = Non è possibile per i documenti PDF utilizzare i propri colori: l’opzione del browser “Permetti alle pagine di scegliere i propri colori invece di quelli impostati” è disattivata. diff --git a/pdf.js/locale/ja/viewer.properties b/pdf.js/locale/ja/viewer.properties index 40e2184..10a21d9 100644 --- a/pdf.js/locale/ja/viewer.properties +++ b/pdf.js/locale/ja/viewer.properties @@ -13,9 +13,9 @@ # limitations under the License. # Main toolbar buttons (tooltips and alt text for images) -previous.title=前のページ +previous.title=前のページへ戻ります previous_label=前へ -next.title=次のページ +next.title=次のページへ進みます next_label=次へ # LOCALIZATION NOTE (page_label, page_of): @@ -25,41 +25,41 @@ next_label=次へ page_label=ページ: page_of=/ {{pageCount}} -zoom_out.title=縮小 +zoom_out.title=表示を縮小します zoom_out_label=縮小 -zoom_in.title=拡大 +zoom_in.title=表示を拡大します zoom_in_label=拡大 zoom.title=拡大/縮小 presentation_mode.title=プレゼンテーションモードに切り替えます presentation_mode_label=プレゼンテーションモード -open_file.title=ファイルを開く +open_file.title=ファイルを指定して開きます open_file_label=開く -print.title=印刷 +print.title=印刷します print_label=印刷 -download.title=ダウンロード +download.title=ダウンロードします download_label=ダウンロード -bookmark.title=現在のビューをブックマーク -bookmark_label=現在のビューをブックマーク +bookmark.title=現在のビューの URL です (コピーまたは新しいウィンドウに開く) +bookmark_label=現在のビュー # Secondary toolbar and context menu tools.title=ツール tools_label=ツール -first_page.title=最初のページへ移動 +first_page.title=最初のページへ移動します first_page.label=最初のページへ移動 first_page_label=最初のページへ移動 -last_page.title=最後のページへ移動 +last_page.title=最後のページへ移動します last_page.label=最後のページへ移動 last_page_label=最後のページへ移動 -page_rotate_cw.title=右回転 +page_rotate_cw.title=ページを右へ回転します page_rotate_cw.label=右回転 page_rotate_cw_label=右回転 -page_rotate_ccw.title=左回転 +page_rotate_ccw.title=ページを左へ回転します page_rotate_ccw.label=左回転 page_rotate_ccw_label=左回転 -hand_tool_enable.title=手のひらツールを有効にする +hand_tool_enable.title=手のひらツールを有効にします hand_tool_enable_label=手のひらツールを有効にする -hand_tool_disable.title=手のひらツールを無効にする +hand_tool_disable.title=手のひらツールを無効にします hand_tool_disable_label=手のひらツールを無効にする # Document properties dialog box @@ -77,7 +77,7 @@ document_properties_creation_date=作成日: document_properties_modification_date=更新日: document_properties_date_string={{date}}, {{time}} document_properties_creator=アプリケーション: -document_properties_producer=PDF 変換: +document_properties_producer=PDF 作成: document_properties_version=PDF のバージョン: document_properties_page_count=ページ数: document_properties_close=閉じる @@ -85,15 +85,15 @@ document_properties_close=閉じる # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) -toggle_sidebar.title=サイドバーの切り替え +toggle_sidebar.title=サイドバー表示を切り替えます toggle_sidebar_label=サイドバーの切り替え -outline.title=文書の目次 +outline.title=文書の目次を表示します outline_label=文書の目次 -attachments.title=添付ファイル +attachments.title=添付ファイルを表示します attachments_label=添付ファイル -thumbs.title=縮小版 +thumbs.title=縮小版を表示します thumbs_label=縮小版 -findbar.title=検索 +findbar.title=文書内を検索します findbar_label=検索 # Thumbnails panel item (tooltip and alt text for images) @@ -112,8 +112,8 @@ find_next.title=指定文字列に一致する次の部分を検索します find_next_label=次へ find_highlight=すべて強調表示 find_match_case_label=大文字/小文字を区別 -find_reached_top=文書先頭まで検索したので末尾に戻って検索しました。 -find_reached_bottom=文書末尾まで検索したので先頭に戻って検索しました。 +find_reached_top=文書先頭に到達したので末尾に戻って検索しました。 +find_reached_bottom=文書末尾に到達したので先頭に戻って検索しました。 find_not_found=見つかりませんでした。 # Error panel labels @@ -132,7 +132,7 @@ error_stack=スタック: {{stack}} # LOCALIZATION NOTE (error_file): "{{file}}" will be replaced with a filename error_file=ファイル: {{file}} # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number -error_line=ライン: {{line}} +error_line=行: {{line}} rendering_error=ページのレンダリング中にエラーが発生しました # Predefined zoom values @@ -140,12 +140,16 @@ page_scale_width=幅に合わせる page_scale_fit=ページのサイズに合わせる page_scale_auto=自動ズーム page_scale_actual=実際のサイズ +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=エラー loading_error=PDF の読み込み中にエラーが発生しました invalid_file_error=無効または破損した PDF ファイル missing_file_error=PDF ファイルが見つかりません。 +unexpected_response_error=サーバから予期せぬ応答がありました。 # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -159,5 +163,5 @@ password_cancel=キャンセル printing_not_supported=警告: このブラウザでは印刷が完全にサポートされていません printing_not_ready=警告: PDF を印刷するための読み込みが終了していません -web_fonts_disabled=Web フォントが無効になっています: 埋め込まれた PDF のフォントを使用することができません -document_colors_disabled=PDF 文書は、Web ページが指定した配色を使用することができません: \'Web ページが指定した配色\' はブラウザで無効になっています。 +web_fonts_disabled=Web フォントが無効になっています: 埋め込まれた PDF のフォントを使用できません +document_colors_disabled=PDF 文書は、Web ページが指定した配色を使用することができません: \u0027Web ページが指定した配色\u0027 はブラウザで無効になっています。 diff --git a/pdf.js/locale/ka/viewer.properties b/pdf.js/locale/ka/viewer.properties index f6c68f5..6644ad2 100644 --- a/pdf.js/locale/ka/viewer.properties +++ b/pdf.js/locale/ka/viewer.properties @@ -13,112 +13,66 @@ # limitations under the License. # Main toolbar buttons (tooltips and alt text for images) -previous.title=წინა გვერდი -previous_label=წინა -next.title=შემდეგი გვერდი -next_label=შემდეგი # LOCALIZATION NOTE (page_label, page_of): # These strings are concatenated to form the "Page: X of Y" string. # Do not translate "{{pageCount}}", it will be substituted with a number # representing the total number of pages. -page_label=გვერდი: -page_of=of {{pageCount}} -zoom_out.title=შემცირება -zoom_out_label=გაზრდა -zoom_in.title=შემცირება -zoom_in_label=შემცირება zoom.title=მასშტაბი -print.title=ამობეჭდვა -print_label=ამობეჭდვა -presentation_mode.title=გადართვა პრეზენტაციის რეჟიმზე -presentation_mode_label=პრეზენტაციის რეჟიმი open_file.title=ფაილის გახსნა open_file_label=გახსნა -download.title=ჩამოტვირთვა -download_label=ჩამოტვირთვა -bookmark.title=მიმდინარე ხედი (ასლი ან გახსნა ახალ სარკმელში) -bookmark_label=მიმდინარე ხედი + +# Secondary toolbar and context menu + + +# Document properties dialog box +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_title=სათაური: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) -toggle_sidebar.title=სტენდის ჩვენება/დამალვა -toggle_sidebar_label=სტენდის ჩვენება/დამალვა -outline.title=დოკუმენტის სქემის ჩვენება -outline_label=დოკუმენტის სქემა -thumbs.title=მინიატურების ჩვენება -thumbs_label=მინიატურები -findbar.title=პოვნა დოკუმენტში findbar_label=პოვნა # Thumbnails panel item (tooltip and alt text for images) # LOCALIZATION NOTE (thumb_page_title): "{{page}}" will be replaced by the page # number. -thumb_page_title=გვერდი {{page}} # LOCALIZATION NOTE (thumb_page_canvas): "{{page}}" will be replaced by the page # number. -thumb_page_canvas=მინიატურა გვერდისთვის {{page}} - -# Context menu -first_page.label=გადასვლა პირველ გვერდზე -last_page.label=გადასვლა ბოლო გვერდზე -page_rotate_cw.label=დატრიალება -page_rotate_ccw.label=უკუდატრიალება # Find panel button title and messages -find_label=პოვნა: -find_previous.title=კონტექსტის წინა თანხვედრის პოვნა -find_previous_label=წინა -find_next.title=კონტექსტის შემდეგი თანხვედრის პოვნა -find_next_label=შემდეგი -find_highlight=ყველას გამოყოფა -find_match_case_label=მთავრულის გათვალისწინებით -find_reached_top=დოკუმენტის თავი, გრძელდება დოკუმენტის ბოლოდან -find_reached_bottom=დოკუმენტის ბოლო, გრძელდება დოკუმენტის თავიდან +find_previous.title=ფრაზის წინა კონტექსტის პოვნა +find_next.title=ფრაზის შემდეგი კონტექსტის პოვნა find_not_found=კონტექსტი ვერ მოიძებნა # Error panel labels -error_more_info=დეტალების ჩვენება -error_less_info=დეტალების დამალვა -error_close=დახურვა +error_more_info=დამატებითი ინფორმაცია # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. -error_version_info=PDF.js v{{version}} (აგება: {{build}}) # LOCALIZATION NOTE (error_message): "{{message}}" will be replaced by an # english string describing the error. -error_message=გზავნილი: {{message}} # LOCALIZATION NOTE (error_stack): "{{stack}}" will be replaced with a stack # trace. -error_stack=მჭიდი: {{stack}} # LOCALIZATION NOTE (error_file): "{{file}}" will be replaced with a filename -error_file=ფაილი: {{file}} # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number -error_line=სტრიქონი: {{line}} -rendering_error=შეცდომა გვერდის ასახვისას. # Predefined zoom values -page_scale_width=გვერდის სიგანეზე -page_scale_fit=გვერდის შევსება -page_scale_auto=თვითმასშტაბი -page_scale_actual=რეალური ზომა +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=შეცდომა -loading_error=შეცდომა PDF ფაილის ჩატვირთვისას. -invalid_file_error=უმართებლო ან დაზიანებული PDF ფაილი. -missing_file_error=მცდარი PDF ფაილი. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" -text_annotation_type.alt=[{{type}} ანოტაცია] -request_password=PDF დაცულია პაროლით: -invalid_password=პაროლი მცდარია. +password_ok=დიახ +password_cancel=გაუქმება -printing_not_supported=გაფრთხილება: ამ ბრაუზერში ამობეჭდვის მხარდაჭერა არასრულია . -printing_not_ready=გაფრთხილება: PDF ფაილი ამოსაბეჭდად სრულად არ ჩატვირთულა. -web_fonts_disabled=ვებ შრიფტები ამორთულია: ჩადგმული PDF შრიფტებით სარგებლობა ვერ ხერხდება. -document_colors_disabled=PDF დოკუმენტებს ეკრძალებათ საკუთარი ფერების გამოყენება: ბრაუზერში ამორთულია პარამეტრი - «გვერდებისთვის საკუთარი ფერებით სარგებლობის უფლება». diff --git a/pdf.js/locale/kk/viewer.properties b/pdf.js/locale/kk/viewer.properties index 7d02ae5..39e7118 100644 --- a/pdf.js/locale/kk/viewer.properties +++ b/pdf.js/locale/kk/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Құжат қасиеттері… document_properties_label=Құжат қасиеттері… document_properties_file_name=Файл аты: document_properties_file_size=Файл өлшемі: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} КБ ({{size_b}} байт) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} МБ ({{size_b}} байт) document_properties_title=Тақырыбы... document_properties_author=Авторы: @@ -75,6 +79,8 @@ document_properties_subject=Тақырыбы: document_properties_keywords=Кілт сөздер: document_properties_creation_date=Жасалған күні: document_properties_modification_date=Түзету күні: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Жасаған: document_properties_producer=PDF өндірген: @@ -140,12 +146,16 @@ page_scale_width=Парақ ені page_scale_fit=Парақты сыйдыру page_scale_auto=Автомасштабтау page_scale_actual=Нақты өлшемі +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Қате loading_error=PDF жүктеу кезінде қате кетті. invalid_file_error=Зақымдалған немесе қате PDF файл. missing_file_error=PDF файлы жоқ. +unexpected_response_error=Сервердің күтпеген жауабы. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Бас тарту printing_not_supported=Ескерту: Баспаға шығаруды бұл браузер толығымен қолдамайды. printing_not_ready=Ескерту: Баспаға шығару үшін, бұл PDF толығымен жүктеліп алынбады. web_fonts_disabled=Веб қаріптері сөндірілген: құрамына енгізілген PDF қаріптерін қолдану мүмкін емес. -document_colors_disabled=PDF құжаттарына өздік түстерді қолдану рұқсат етілмеген: бұл браузерде 'Веб-сайттарға өздерінің түстерін қолдануға рұқсат беру' мүмкіндігі сөндірулі тұр. +document_colors_not_allowed=PDF құжаттарына өздік түстерді қолдану рұқсат етілмеген: бұл браузерде 'Веб-сайттарға өздерінің түстерін қолдануға рұқсат беру' мүмкіндігі сөндірулі тұр. diff --git a/pdf.js/locale/km/viewer.properties b/pdf.js/locale/km/viewer.properties index 45acd63..87f700e 100644 --- a/pdf.js/locale/km/viewer.properties +++ b/pdf.js/locale/km/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=លក្ខណ​សម្បត្តិ​ឯកស document_properties_label=លក្ខណ​សម្បត្តិ​ឯកសារ… document_properties_file_name=ឈ្មោះ​ឯកសារ៖ document_properties_file_size=ទំហំ​ឯកសារ៖ +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=ចំណងជើង ៖ document_properties_author=អ្នក​និពន្ធ៖ @@ -75,6 +79,8 @@ document_properties_subject=ប្រធានបទ៖ document_properties_keywords=ពាក្យ​គន្លឹះ៖ document_properties_creation_date=កាលបរិច្ឆេទ​បង្កើត៖ document_properties_modification_date=កាលបរិច្ឆេទ​កែប្រែ៖ +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=អ្នក​បង្កើត៖ document_properties_producer=កម្មវិធី​បង្កើត PDF ៖ @@ -140,12 +146,16 @@ page_scale_width=ទទឹង​ទំព័រ page_scale_fit=សម​ទំព័រ page_scale_auto=ពង្រីក​ស្វ័យប្រវត្តិ page_scale_actual=ទំហំ​ជាក់ស្ដែង +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=កំហុស loading_error=មាន​កំហុស​បាន​កើតឡើង​ពេល​កំពុង​ផ្ទុក PDF ។ invalid_file_error=ឯកសារ PDF ខូច ឬ​មិន​ត្រឹមត្រូវ ។ missing_file_error=បាត់​ឯកសារ PDF +unexpected_response_error=ការ​ឆ្លើយ​តម​ម៉ាស៊ីន​មេ​ដែល​មិន​បាន​រំពឹង។ # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=បោះបង់ printing_not_supported=ការ​ព្រមាន ៖ កា​រ​បោះពុម្ព​មិន​ត្រូវ​បាន​គាំទ្រ​ពេញលេញ​ដោយ​កម្មវិធី​រុករក​នេះ​ទេ ។ printing_not_ready=ព្រមាន៖ PDF មិន​ត្រូវ​បាន​ផ្ទុក​ទាំងស្រុង​ដើម្បី​បោះពុម្ព​ទេ។ web_fonts_disabled=បាន​បិទ​ពុម្ពអក្សរ​បណ្ដាញ ៖ មិន​អាច​ប្រើ​ពុម្ពអក្សរ PDF ដែល​បាន​បង្កប់​បាន​ទេ ។ -document_colors_disabled=ឯកសារ PDF មិន​ត្រូវ​បាន​អនុញ្ញាត​ឲ្យ​ប្រើ​ពណ៌​ផ្ទាល់​របស់​វា​ទេ៖ 'អនុញ្ញាត​​ឲ្យ​ទំព័រ​ជ្រើស​ពណ៌​ផ្ទាល់​ខ្លួន' ត្រូវ​បាន​ធ្វើ​ឲ្យ​អសកម្ម​ក្នុង​​កម្មវិធី​រុករក។ +document_colors_not_allowed=ឯកសារ PDF មិន​ត្រូវ​បាន​អនុញ្ញាត​ឲ្យ​ប្រើ​ពណ៌​ផ្ទាល់​របស់​វា​ទេ៖ 'អនុញ្ញាត​​ឲ្យ​ទំព័រ​ជ្រើស​ពណ៌​ផ្ទាល់​ខ្លួន' ត្រូវ​បាន​ធ្វើ​ឲ្យ​អសកម្ម​ក្នុង​​កម្មវិធី​រុករក។ diff --git a/pdf.js/locale/kn/viewer.properties b/pdf.js/locale/kn/viewer.properties index 6958037..f206717 100644 --- a/pdf.js/locale/kn/viewer.properties +++ b/pdf.js/locale/kn/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=ಡಾಕ್ಯುಮೆಂಟ್‌ ಗುಣಗಳ document_properties_label=ಡಾಕ್ಯುಮೆಂಟ್‌ ಗುಣಗಳು... document_properties_file_name=ಕಡತದ ಹೆಸರು: document_properties_file_size=ಕಡತದ ಗಾತ್ರ: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} ಬೈಟ್‍ಗಳು) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} ಬೈಟ್‍ಗಳು) document_properties_title=ಶೀರ್ಷಿಕೆ: document_properties_author=ಕರ್ತೃ: @@ -75,6 +79,8 @@ document_properties_subject=ವಿಷಯ: document_properties_keywords=ಮುಖ್ಯಪದಗಳು: document_properties_creation_date=ರಚಿಸಿದ ದಿನಾಂಕ: document_properties_modification_date=ಮಾರ್ಪಡಿಸಲಾದ ದಿನಾಂಕ: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=ರಚಿಸಿದವರು: document_properties_producer=PDF ಉತ್ಪಾದಕ: @@ -140,12 +146,16 @@ page_scale_width=ಪುಟದ ಅಗಲ page_scale_fit=ಪುಟದ ಸರಿಹೊಂದಿಕೆ page_scale_auto=ಸ್ವಯಂಚಾಲಿತ ಗಾತ್ರಬದಲಾವಣೆ page_scale_actual=ನಿಜವಾದ ಗಾತ್ರ +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=ದೋಷ loading_error=PDF ಅನ್ನು ಲೋಡ್ ಮಾಡುವಾಗ ಒಂದು ದೋಷ ಎದುರಾಗಿದೆ. invalid_file_error=ಅಮಾನ್ಯವಾದ ಅಥವ ಹಾಳಾದ PDF ಕಡತ. missing_file_error=PDF ಕಡತ ಇಲ್ಲ. +unexpected_response_error=ಅನಿರೀಕ್ಷಿತವಾದ ಪೂರೈಕೆಗಣಕದ ಪ್ರತಿಕ್ರಿಯೆ. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=ರದ್ದು ಮಾಡು printing_not_supported=ಎಚ್ಚರಿಕೆ: ಈ ಜಾಲವೀಕ್ಷಕದಲ್ಲಿ ಮುದ್ರಣಕ್ಕೆ ಸಂಪೂರ್ಣ ಬೆಂಬಲವಿಲ್ಲ. printing_not_ready=ಎಚ್ಚರಿಕೆ: PDF ಕಡತವು ಮುದ್ರಿಸಲು ಸಂಪೂರ್ಣವಾಗಿ ಲೋಡ್ ಆಗಿಲ್ಲ. web_fonts_disabled=ಜಾಲ ಅಕ್ಷರಶೈಲಿಯನ್ನು ನಿಷ್ಕ್ರಿಯಗೊಳಿಸಲಾಗಿದೆ: ಅಡಕಗೊಳಿಸಿದ PDF ಅಕ್ಷರಶೈಲಿಗಳನ್ನು ಬಳಸಲು ಸಾಧ್ಯವಾಗಿಲ್ಲ. -document_colors_disabled=PDF ದಸ್ತಾವೇಜುಗಳು ತಮ್ಮದೆ ಆದ ಬಣ್ಣಗಳನ್ನು ಬಳಸಲು ಅನುಮತಿ ಇರುವುದಿಲ್ಲ: 'ಪುಟಗಳು ತಮ್ಮದೆ ಆದ ಬಣ್ಣವನ್ನು ಆಯ್ಕೆ ಮಾಡಲು ಅನುಮತಿಸು' ಅನ್ನು ಜಾಲವೀಕ್ಷಕದಲ್ಲಿ ನಿಷ್ಕ್ರಿಯಗೊಳಿಸಲಾಗಿರುತ್ತದೆ. +document_colors_not_allowed=PDF ದಸ್ತಾವೇಜುಗಳು ತಮ್ಮದೆ ಆದ ಬಣ್ಣಗಳನ್ನು ಬಳಸಲು ಅನುಮತಿ ಇರುವುದಿಲ್ಲ: 'ಪುಟಗಳು ತಮ್ಮದೆ ಆದ ಬಣ್ಣವನ್ನು ಆಯ್ಕೆ ಮಾಡಲು ಅನುಮತಿಸು' ಅನ್ನು ಜಾಲವೀಕ್ಷಕದಲ್ಲಿ ನಿಷ್ಕ್ರಿಯಗೊಳಿಸಲಾಗಿರುತ್ತದೆ. diff --git a/pdf.js/locale/ko/viewer.properties b/pdf.js/locale/ko/viewer.properties index 282be99..3f1e9ba 100644 --- a/pdf.js/locale/ko/viewer.properties +++ b/pdf.js/locale/ko/viewer.properties @@ -30,12 +30,12 @@ zoom_out_label=축소 zoom_in.title=확대 zoom_in_label=확대 zoom.title=크기 -print.title=인쇄 -print_label=인쇄 presentation_mode.title=발표 모드로 전환 presentation_mode_label=발표 모드 open_file.title=파일 열기 open_file_label=열기 +print.title=인쇄 +print_label=인쇄 download.title=다운로드 download_label=다운로드 bookmark.title=지금 보이는 그대로 (복사하거나 새 창에 열기) @@ -67,7 +67,11 @@ document_properties.title=문서 속성… document_properties_label=문서 속성… document_properties_file_name=파일 이름: document_properties_file_size=파일 사이즈: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}}바이트) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}}바이트) document_properties_title=제목: document_properties_author=저자: @@ -75,6 +79,8 @@ document_properties_subject=주제: document_properties_keywords=키워드: document_properties_creation_date=생성일: document_properties_modification_date=수정일: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=생성자: document_properties_producer=PDF 생성기: @@ -140,15 +146,19 @@ page_scale_width=페이지 너비에 맞춤 page_scale_fit=페이지에 맞춤 page_scale_auto=알아서 맞춤 page_scale_actual=실제 크기에 맞춤 +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=오류 loading_error=PDF를 읽는 중 오류가 생겼습니다. invalid_file_error=유효하지 않거나 파손된 PDF 파일 missing_file_error=PDF 파일이 없습니다. +unexpected_response_error=알 수 없는 서버 응답입니다. -# LOCALIZATION NOTE (text_annotation_type): This is used as a tooltip. -# "{{[type}}" will be replaced with an annotation type from a list defined in +# LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. +# "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" text_annotation_type.alt=[{{type}} 주석] diff --git a/pdf.js/locale/ku/viewer.properties b/pdf.js/locale/ku/viewer.properties index c614fa1..8f40dba 100644 --- a/pdf.js/locale/ku/viewer.properties +++ b/pdf.js/locale/ku/viewer.properties @@ -59,7 +59,13 @@ page_rotate_ccw_label=Berevajî aliyê saetê ve bizivirîne # Document properties dialog box +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_title=Sernav: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -116,6 +122,8 @@ page_scale_width=Firehiya rûpelê page_scale_fit=Di rûpelê de bicî bike page_scale_auto=Xweber nêzîk bike page_scale_actual=Mezinahiya rastîn +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Xeletî @@ -136,4 +144,4 @@ password_cancel=Betal printing_not_supported=Hişyarî: Çapkirin ji hêla vê gerokê ve bi temamî nayê destekirin. printing_not_ready=Hişyarî: PDF bi temamî nehat barkirin û ji bo çapê ne amade ye. web_fonts_disabled=Fontên Webê neçalak in: Fontên PDFê yên veşartî nayên bikaranîn. -document_colors_disabled=Destûr tune ye ku belgeyên PDFê rengên xwe bi kar bînin: Di gerokê de 'destûrê bide rûpelan ku rengên xwe bi kar bînin' nehatiye çalakirin. +document_colors_not_allowed=Destûr tune ye ku belgeyên PDFê rengên xwe bi kar bînin: Di gerokê de 'destûrê bide rûpelan ku rengên xwe bi kar bînin' nehatiye çalakirin. diff --git a/pdf.js/locale/lg/viewer.properties b/pdf.js/locale/lg/viewer.properties index 5c88487..3cac56e 100644 --- a/pdf.js/locale/lg/viewer.properties +++ b/pdf.js/locale/lg/viewer.properties @@ -41,6 +41,12 @@ bookmark_label=Endabika Eriwo # Document properties dialog box +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -87,6 +93,8 @@ page_scale_width=Obugazi bwo Omuko page_scale_fit=Okutuka kwo Omuko page_scale_auto=Okwefunza no Kwegeza page_scale_actual=Obunene Obutufu +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Ensobi diff --git a/pdf.js/locale/lij/viewer.properties b/pdf.js/locale/lij/viewer.properties index dbab0a7..04445c0 100644 --- a/pdf.js/locale/lij/viewer.properties +++ b/pdf.js/locale/lij/viewer.properties @@ -2,115 +2,123 @@ # License, v. 2.0. If a copy of the MPL was not distributed with this # file, You can obtain one at http://mozilla.org/MPL/2.0/. -previous.title = Pàgina precedénte -previous_label = Precedénte -next.title = Pàgina dòppo +previous.title = Pagina precedente +previous_label = Precedente +next.title = Pagina dòppo next_label = Pròscima -page_label = Pàgina: +page_label = Pagina: page_of = de {{pageCount}} -zoom_out.title = Diminoìsci zoom -zoom_out_label = Diminoìsci zoom -zoom_in.title = Aoménta zoom -zoom_in_label = Aoménta zoom +zoom_out.title = Diminoisci zoom +zoom_out_label = Diminoisci zoom +zoom_in.title = Aomenta zoom +zoom_in_label = Aomenta zoom zoom.title = Zoom -print.title = Stànpa -print_label = Stànpa -open_file.title = Àrvi file -open_file_label = Àrvi -download.title = Descaregaménto -download_label = Descaregaménto -bookmark.title = Vixón corénte (còpia ò àrvi inte 'n nêuvo barcón) -bookmark_label = Vixón corénte -outline.title = Véddi strutûa documénto -outline_label = Strutûa documénto -thumbs.title = Móstra miniatûe -thumbs_label = Miniatûe -thumb_page_title = Pàgina {{page}} -thumb_page_canvas = Miniatûa da pàgina {{page}} -error_more_info = Ciù informaçioìn -error_less_info = Mêno informaçioìn +print.title = Stanpa +print_label = Stanpa +open_file.title = Arvi file +open_file_label = Arvi +download.title = Descaregamento +download_label = Descaregamento +bookmark.title = Vixon corente (còpia ò arvi inte 'n neuvo barcon) +bookmark_label = Vixon corente +outline.title = Veddi strutua documento +outline_label = Strutua documento +thumbs.title = Mostra miniatue +thumbs_label = Miniatue +thumb_page_title = Pagina {{page}} +thumb_page_canvas = Miniatua da pagina {{page}} +error_more_info = Ciù informaçioin +error_less_info = Meno informaçioin error_version_info = PDF.js v{{version}} (build: {{build}}) error_close = Særa missing_file_error = O file PDF o no gh'é. -toggle_sidebar.title = Atîva/dizatîva bâra de sciànco -toggle_sidebar_label = Atîva/dizatîva bâra de sciànco -error_message = Mesàggio: {{message}} +toggle_sidebar.title = Ativa/dizativa bara de scianco +toggle_sidebar_label = Ativa/dizativa bara de scianco +error_message = Mesaggio: {{message}} error_stack = Stack: {{stack}} error_file = File: {{file}} -error_line = Lìnia: {{line}} -rendering_error = Gh'é stæto 'n'erô itno rendering da pàgina. -page_scale_width = Larghéssa pàgina -page_scale_fit = Adàtta a una pàgina -page_scale_auto = Zoom aotomàtico -page_scale_actual = Dimenscioìn efetîve +error_line = Linia: {{line}} +rendering_error = Gh'é stæto 'n'erô itno rendering da pagina. +page_scale_width = Larghessa pagina +page_scale_fit = Adatta a una pagina +page_scale_auto = Zoom aotomatico +page_scale_actual = Dimenscioin efetive loading_error_indicator = Erô -loading_error = S'é verificòu 'n'erô itno caregaménto do PDF. -printing_not_supported = Atençión: a stànpa a no l'é conpletaménte soportâ da sto navegatô. +loading_error = S'é verificou 'n'erô itno caregamento do PDF. +printing_not_supported = Atençion: a stanpa a no l'é conpletamente soportâ da sto navegatô. # Context menu -page_rotate_cw.label=Gîa in sénso do reléuio -page_rotate_ccw.label=Gîa in sénso do reléuio a-a revèrsa +page_rotate_cw.label=Gia in senso do releuio +page_rotate_ccw.label=Gia in senso do releuio a-a reversa -presentation_mode.title=Vànni into mòddo de prezentaçión -presentation_mode_label=Mòddo de prezentaçión +presentation_mode.title=Vanni into mòddo de prezentaçion +presentation_mode_label=Mòddo de prezentaçion -find_label = Trêuva: -find_previous.title = Trêuva a ripetiçión precedénte do tèsto da çercâ -find_previous_label = Precedénte -find_next.title = Trêuva a ripetiçión dòppo do tèsto da çercâ -find_next_label = Segoénte -find_highlight = Evidénçia -find_match_case_label = Maióscole/minóscole -find_reached_bottom = Razónto l'inìçio da pàgina, contìnoa da-a fìn -find_reached_top = Razónto a fìn da pàgina, contìnoa da l'inìçio -find_not_found = Tèsto no trovòu -findbar.title = Trêuva into documénto -findbar_label = Trêuva -first_page.label = Vànni a-a prìmma pàgina -last_page.label = Vànni a l'ùrtima pàgina -invalid_file_error = O file PDF o l'é no vàlido ò aroinòu. +find_label = Treuva: +find_previous.title = Treuva a ripetiçion precedente do testo da çercâ +find_previous_label = Precedente +find_next.title = Treuva a ripetiçion dòppo do testo da çercâ +find_next_label = Segoente +find_highlight = Evidençia +find_match_case_label = Maioscole/minoscole +find_reached_bottom = Razonto l'iniçio da pagina, continoa da-a fin +find_reached_top = Razonto a fin da pagina, continoa da l'iniçio +find_not_found = Testo no trovou +findbar.title = Treuva into documento +findbar_label = Treuva +first_page.label = Vanni a-a primma pagina +last_page.label = Vanni a l'urtima pagina +invalid_file_error = O file PDF o l'é no valido ò aroinou. -web_fonts_disabled = I font do web én dizativæ: inposcìbile adêuviâ i caràteri do PDF. -printing_not_ready = Atençión: o PDF o no l'é ancón caregòu conpletaménte pe-a stànpa. +web_fonts_disabled = I font do web en dizativæ: inposcibile adeuviâ i carateri do PDF. +printing_not_ready = Atençion: o PDF o no l'é ancon caregou conpletamente pe-a stanpa. -document_colors_disabled = No l'é poscìbile adêuviâ i pròpi coî pe-i documénti PDF: l'opçión do navegatô 'Permètti a-e pàgine de çèrne i pròpi coî in càngio de quélli inpostæ' a l'é dizativâ. -text_annotation_type.alt = [Anotaçión: {{type}}] +document_colors_not_allowed = No l'é poscibile adeuviâ i pròpi coî pe-i documenti PDF: l'opçion do navegatô “Permetti a-e pagine de çerne i pròpi coî in cangio de quelli inpostæ” a l'é dizativâ. +text_annotation_type.alt = [Anotaçion: {{type}}] -first_page.title = Vànni a-a prìmma pàgina -first_page_label = Vànni a-a prìmma pàgina -last_page.title = Vànni a l'ùrtima pàgina -last_page_label = Vànni a l'ùrtima pàgina -page_rotate_ccw.title = Gîa into vèrso antiorâio -page_rotate_ccw_label = Gîa into vèrso antiorâio -page_rotate_cw.title = Gîa into vèrso orâio -page_rotate_cw_label = Gîa into vèrso orâio -tools.title = Struménti -tools_label = Struménti -password_label = Dìmme a paròlla segrêta pe arvî sto file PDF. -password_invalid = Paròlla segrêta sbaliâ. Prêuva tórna. -password_ok = Va bén -password_cancel = Anùlla +first_page.title = Vanni a-a primma pagina +first_page_label = Vanni a-a primma pagina +last_page.title = Vanni a l'urtima pagina +last_page_label = Vanni a l'urtima pagina +page_rotate_ccw.title = Gia into verso antioraio +page_rotate_ccw_label = Gia into verso antioraio +page_rotate_cw.title = Gia into verso oraio +page_rotate_cw_label = Gia into verso oraio +tools.title = Strumenti +tools_label = Strumenti +password_label = Dimme a paròlla segreta pe arvî sto file PDF. +password_invalid = Paròlla segreta sbalia. Preuva torna. +password_ok = Va ben +password_cancel = Anulla -document_properties.title = Propietæ do documénto… -document_properties_label = Propietæ do documénto… -document_properties_file_name = Nómme file: -document_properties_file_size = Dimensción file: +document_properties.title = Propietæ do documento… +document_properties_label = Propietæ do documento… +document_properties_file_name = Nomme file: +document_properties_file_size = Dimenscion file: document_properties_kb = {{size_kb}} kB ({{size_b}} byte) document_properties_mb = {{size_kb}} MB ({{size_b}} byte) -document_properties_title = Tìtolo: -document_properties_author = Aotô: -document_properties_subject = Ogétto: -document_properties_keywords = Paròlle ciâve: -document_properties_creation_date = Dæta creaçión: -document_properties_modification_date = Dæta cangiaménto: +document_properties_title = Titolo: +document_properties_author = Aoto: +document_properties_subject = Ogetto: +document_properties_keywords = Paròlle ciave: +document_properties_creation_date = Dæta creaçion: +document_properties_modification_date = Dæta cangiamento: document_properties_date_string = {{date}}, {{time}} -document_properties_creator = Aotô originâle: +document_properties_creator = Aotô originale: document_properties_producer = Produtô PDF: -document_properties_version = Versción PDF: -document_properties_page_count = Contézzo pàgine: +document_properties_version = Verscion PDF: +document_properties_page_count = Contezzo pagine: document_properties_close = Særa -hand_tool_enable.title = Atîva struménto màn -hand_tool_enable_label = Atîva struménto màn -hand_tool_disable.title = Dizatîva struménto màn -hand_tool_disable_label = Dizatîva struménto màn +hand_tool_enable.title = Ativa strumento man +hand_tool_enable_label = Ativa strumento man +hand_tool_disable.title = Dizativa strumento man +hand_tool_disable_label = Dizativa strumento man +attachments.title = Fanni vedde alegæ +attachments_label = Alegæ +page_scale_percent = {{scale}}% +unexpected_response_error = Risposta inprevista do-u server + + + + diff --git a/pdf.js/locale/lt/viewer.properties b/pdf.js/locale/lt/viewer.properties index e97f0b5..e2f50b9 100644 --- a/pdf.js/locale/lt/viewer.properties +++ b/pdf.js/locale/lt/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Dokumento savybės… document_properties_label=Dokumento savybės… document_properties_file_name=Failo vardas: document_properties_file_size=Failo dydis: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} B) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} B) document_properties_title=Antraštė: document_properties_author=Autorius: @@ -75,6 +79,8 @@ document_properties_subject=Tema: document_properties_keywords=Reikšminiai žodžiai: document_properties_creation_date=Sukūrimo data: document_properties_modification_date=Modifikavimo data: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Kūrėjas: document_properties_producer=PDF generatorius: @@ -140,12 +146,16 @@ page_scale_width=Priderinti prie lapo pločio page_scale_fit=Pritaikyti prie lapo dydžio page_scale_auto=Automatinis mastelis page_scale_actual=Tikras dydis +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Klaida loading_error=Įkeliant PDF failą, įvyko klaida. invalid_file_error=Tai nėra PDF failas arba jis yra sugadintas. missing_file_error=PDF failas nerastas. +unexpected_response_error=Netikėtas serverio atsakas. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Atsisakyti printing_not_supported=Dėmesio! Spausdinimas šioje naršyklėje nėra pilnai realizuotas. printing_not_ready=Dėmesio! PDF failas dar nėra pilnai įkeltas spausdinimui. web_fonts_disabled=Neįgalinti saityno šriftai – šiame PDF faile esančių šriftų naudoti negalima. -document_colors_disabled=PDF dokumentams neleidžiama nurodyti savo spalvų, nes išjungta naršyklės nuostata „Leisti tinklalapiams nurodyti spalvas“. +document_colors_not_allowed=PDF dokumentams neleidžiama nurodyti savo spalvų, nes išjungta naršyklės nuostata „Leisti tinklalapiams nurodyti spalvas“. diff --git a/pdf.js/locale/lv/viewer.properties b/pdf.js/locale/lv/viewer.properties index f46f136..58aa953 100644 --- a/pdf.js/locale/lv/viewer.properties +++ b/pdf.js/locale/lv/viewer.properties @@ -1,6 +1,16 @@ -# This Source Code Form is subject to the terms of the Mozilla Public -# License, v. 2.0. If a copy of the MPL was not distributed with this -# file, You can obtain one at http://mozilla.org/MPL/2.0/. +# Copyright 2012 Mozilla Foundation +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. # Main toolbar buttons (tooltips and alt text for images) previous.title=Iepriekšējā lapa @@ -15,27 +25,68 @@ next_label=Nākamā page_label=Lapa: page_of=no {{pageCount}} -zoom_out.title=Attālināt +zoom_out.title=Attālināt\u0020 zoom_out_label=Attālināt zoom_in.title=Pietuvināt zoom_in_label=Pietuvināt zoom.title=Palielinājums -print.title=Drukāšana -print_label=Drukāt presentation_mode.title=Pārslēgties uz Prezentācijas režīmu presentation_mode_label=Prezentācijas režīms open_file.title=Atvērt failu open_file_label=Atvērt +print.title=Drukāšana +print_label=Drukāt download.title=Lejupielāde download_label=Lejupielādēt bookmark.title=Pašreizējais skats (kopēt vai atvērt jaunā logā) bookmark_label=Pašreizējais skats -findbar.title=Meklēt dokumentā -findbar_label=Meklēt -attachments.title=Rādīt pielikumus -attachments_label=Pielikumi +# Secondary toolbar and context menu +tools.title=Rīki +tools_label=Rīki +first_page.title=Iet uz pirmo lapu +first_page.label=Iet uz pirmo lapu +first_page_label=Iet uz pirmo lapu +last_page.title=Iet uz pēdējo lapu +last_page.label=Iet uz pēdējo lapu +last_page_label=Iet uz pēdējo lapu +page_rotate_cw.title=Pagriezt pa pulksteni +page_rotate_cw.label=Pagriezt pa pulksteni +page_rotate_cw_label=Pagriezt pa pulksteni +page_rotate_ccw.title=Pagriezt pret pulksteni +page_rotate_ccw.label=Pagriezt pret pulksteni +page_rotate_ccw_label=Pagriezt pret pulksteni +hand_tool_enable.title=Aktivēt rokas rīku +hand_tool_enable_label=Aktivēt rokas rīku +hand_tool_disable.title=Deaktivēt rokas rīku +hand_tool_disable_label=Deaktivēt rokas rīku + +# Document properties dialog box +document_properties.title=Dokumenta iestatījumi… +document_properties_label=Dokumenta iestatījumi… +document_properties_file_name=Faila nosaukums: +document_properties_file_size=Faila izmērs: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +document_properties_kb={{size_kb}} KB ({{size_b}} biti) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} MB ({{size_b}} biti) +document_properties_title=Nosaukums: +document_properties_author=Autors: +document_properties_subject=Tēma: +document_properties_keywords=Atslēgas vārdi: +document_properties_creation_date=Izveides datums: +document_properties_modification_date=LAbošanas datums: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. +document_properties_date_string={{date}}, {{time}} +document_properties_creator=Radītājs: +document_properties_producer=PDF producents: +document_properties_version=PDF versija: +document_properties_page_count=Lapu skaits: +document_properties_close=Aizvērt # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -44,8 +95,20 @@ toggle_sidebar.title=Pārslēgt sānu joslu toggle_sidebar_label=Pārslēgt sānu joslu outline.title=Parādīt dokumenta saturu outline_label=Dokumenta saturs +attachments.title=Rādīt pielikumus +attachments_label=Pielikumi thumbs.title=Parādīt sīktēlus thumbs_label=Sīktēli +findbar.title=Meklēt dokumentā +findbar_label=Meklēt + +# Thumbnails panel item (tooltip and alt text for images) +# LOCALIZATION NOTE (thumb_page_title): "{{page}}" will be replaced by the page +# number. +thumb_page_title=Lapa {{page}} +# LOCALIZATION NOTE (thumb_page_canvas): "{{page}}" will be replaced by the page +# number. +thumb_page_canvas=Lapas {{page}} sīktēls # Find panel button title and messages find_label=Meklēt: @@ -58,61 +121,11 @@ find_match_case_label=Lielo, mazo burtu jutīgs find_reached_top=Sasniegts dokumenta sākums, turpinām no beigām find_reached_bottom=Sasniegtas dokumenta beigas, turpinām no sākuma find_not_found=Frāze nav atrasta -first_page.title=Iet uz pirmo lapu -first_page.label=Iet uz pirmo lapu -first_page_label=Iet uz pirmo lapu -last_page.title=Iet uz pēdējo lapu -last_page.label=Iet uz pēdējo lapu -last_page_label=Iet uz pēdējo lapu -tools.title=Rīki -tools_label=Rīki -page_rotate_cw.title=Pagriezt pa pulksteni -page_rotate_cw.label=Pagriezt pa pulksteni -page_rotate_cw_label=Pagriezt pa pulksteni -page_rotate_ccw.title=Pagriezt pret pulksteni -page_rotate_ccw.label=Pagriezt pret pulksteni -page_rotate_ccw_label=Pagriezt pret pulksteni - -# Document properties dialog box -document_properties.title=Dokumenta iestatījumi… -document_properties_label=Dokumenta iestatījumi… -document_properties_file_name=Faila nosaukums: -document_properties_file_size=Faila izmērs: -document_properties_kb={{size_kb}} KB ({{size_b}} biti) -document_properties_mb={{size_mb}} MB ({{size_b}} biti) -document_properties_title=Nosaukums: -document_properties_author=Autors: -document_properties_subject=Tēma: -document_properties_keywords=Atslēgas vārdi: -document_properties_creation_date=Izveides datums: -document_properties_modification_date=LAbošanas datums: -document_properties_date_string={{date}}, {{time}} -document_properties_creator=Radītājs: -document_properties_producer=PDF producents: -document_properties_version=PDF versija: -document_properties_page_count=Lapu skaits: -document_properties_close=Aizvērt - -hand_tool_enable.title=Aktivēt rokas rīku -hand_tool_enable_label=Aktivēt rokas rīku -hand_tool_disable.title=Deaktivēt rokas rīku -hand_tool_disable_label=Deaktivēt rokas rīku - -invalid_file_error=Nederīgs vai bojāts PDF fails. - -# Thumbnails panel item (tooltip and alt text for images) -# LOCALIZATION NOTE (thumb_page_title): "{{page}}" will be replaced by the page -# number. -thumb_page_title=Lapa {{page}} -# LOCALIZATION NOTE (thumb_page_canvas): "{{page}}" will be replaced by the page -# number. -thumb_page_canvas=Lapas {{page}} sīktēls # Error panel labels error_more_info=Vairāk informācijas error_less_info=MAzāk informācijas error_close=Close - # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. error_version_info=PDF.js v{{version}} (build: {{build}}) @@ -127,34 +140,34 @@ error_file=File: {{file}} # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number error_line=Rindiņa: {{line}} rendering_error=Attēlojot lapu radās kļūda -missing_file_error=PDF fails nav atrasts. # Predefined zoom values page_scale_width=Lapas platumā page_scale_fit=Ietilpinot lapu page_scale_auto=Automātiskais izmērs page_scale_actual=Patiesais izmērs +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages -# LOCALIZATION NOTE (error_line): "{{[percent}}" will be replaced with a percentage loading_error_indicator=Kļūda loading_error=Ielādējot PDF notika kļūda. +invalid_file_error=Nederīgs vai bojāts PDF fails. +missing_file_error=PDF fails nav atrasts. +unexpected_response_error=Negaidīa servera atbilde. -# LOCALIZATION NOTE (text_annotation_type): This is used as a tooltip. -# "{{[type}}" will be replaced with an annotation type from a list defined in +# LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. +# "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" text_annotation_type.alt=[{{type}} anotācija] - -text_annotation_type.alt=[{{type}} Anotācija] password_label=Ievadiet paroli, lai atvērtu PDF failu. password_invalid=Nepareiza parole, mēģiniet vēlreiz. password_ok=Labi password_cancel=Atcelt - printing_not_supported=Uzmanību: Drukāšana no šī pārlūka darbojas tikai daļēji. -web_fonts_disabled=Tīmekļa fonti nav aktivizēti: Nevar iegult PDF fontus. printing_not_ready=Uzmanību: PDF nav pilnībā ielādēts drukāšanai. -document_colors_disabled=PDF dokumentiem nav atļauts izmantot pašiem savas krāsas: \'Atļaut lapām izvēlēties pašām savas krāsas\' ir deaktivēts pārlūkā. - +web_fonts_disabled=Tīmekļa fonti nav aktivizēti: Nevar iegult PDF fontus. +document_colors_not_allowed=PDF dokumentiem nav atļauts izmantot pašiem savas krāsas: „Atļaut lapām izvēlēties pašām savas krāsas“ ir deaktivēts pārlūkā. diff --git a/pdf.js/locale/mai/viewer.properties b/pdf.js/locale/mai/viewer.properties index 1775dbf..4eb0b17 100644 --- a/pdf.js/locale/mai/viewer.properties +++ b/pdf.js/locale/mai/viewer.properties @@ -42,10 +42,51 @@ bookmark.title=मोजुदा दृश्य (नव विंडोमे bookmark_label=वर्तमान दृश्य # Secondary toolbar and context menu +tools.title=अओजार +tools_label=अओजार +first_page.title=प्रथम पृष्ठ पर जाउ +first_page.label=प्रथम पृष्ठ पर जाउ +first_page_label=प्रथम पृष्ठ पर जाउ +last_page.title=अंतिम पृष्ठ पर जाउ +last_page.label=अंतिम पृष्ठ पर जाउ +last_page_label=अंतिम पृष्ठ पर जाउ +page_rotate_cw.title=घड़ीक दिशा मे घुमाउ +page_rotate_cw.label=घड़ीक दिशा मे घुमाउ +page_rotate_cw_label=घड़ीक दिशा मे घुमाउ +page_rotate_ccw.title=घड़ीक दिशा सँ उनटा घुमाउ +page_rotate_ccw.label=घड़ीक दिशा सँ उनटा घुमाउ +page_rotate_ccw_label=घड़ीक दिशा सँ उनटा घुमाउ +hand_tool_enable.title=हाथ अओजार सक्रिय करू +hand_tool_enable_label=हाथ अओजार सक्रिय करू +hand_tool_disable.title=हाथ अओजार निष्क्रिय कएनाइ +hand_tool_disable_label=हाथ अओजार निष्क्रिय कएनाइ # Document properties dialog box +document_properties.title=दस्तावेज़ विशेषता... +document_properties_label=दस्तावेज़ विशेषता... +document_properties_file_name=फाइल नाम: +document_properties_file_size=फ़ाइल आकार: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +document_properties_kb={{size_kb}} KB ({{size_b}} बाइट) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} MB ({{size_b}} बाइट) document_properties_title=शीर्षक: +document_properties_author=लेखकः +document_properties_subject=विषय +document_properties_keywords=बीजशब्द +document_properties_creation_date=निर्माण तिथि: +document_properties_modification_date=संशोधन दिनांक: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. +document_properties_date_string={{date}}, {{time}} +document_properties_creator=सृजक: +document_properties_producer=PDF उत्पादक: +document_properties_version=PDF संस्करण: +document_properties_page_count=पृष्ठ गिनती: +document_properties_close=बन्न करू # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -54,6 +95,8 @@ toggle_sidebar.title=स्लाइडर टागल toggle_sidebar_label=स्लाइडर टागल outline.title=दस्तावेज आउटलाइन देखाउ outline_label=दस्तावेज खाका +attachments.title=संलग्नक देखाबू +attachments_label=संलग्नक thumbs.title=लघु-छवि देखाउ thumbs_label=लघु छवि findbar.title=दस्तावेजमे ढूँढू @@ -82,6 +125,7 @@ find_not_found=वाकींश नहि भेटल # Error panel labels error_more_info=बेसी सूचना error_less_info=कम सूचना +error_close=बन्न करू # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. error_version_info=PDF.js v{{version}} (build: {{build}}) @@ -102,20 +146,28 @@ page_scale_width=पृष्ठ चओड़ाइ page_scale_fit=पृष्ठ फिट page_scale_auto=स्वचालित जूम page_scale_actual=सही आकार +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=त्रुटि loading_error=पीडीएफ लोड करैत समय एकटा त्रुटि भेल. invalid_file_error=अमान्य अथवा भ्रष्ट PDF फाइल. missing_file_error=अनुपस्थित PDF फाइल. +unexpected_response_error=सर्वर सँ अप्रत्याशित प्रतिक्रिया. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" text_annotation_type.alt=[{{type}} Annotation] +password_label=एहि पीडीएफ फ़ाइल केँ खोलबाक लेल कृपया कूटशब्द भरू. +password_invalid=अवैध कूटशब्द, कृपया फिनु कोशिश करू. +password_ok=बेस password_cancel=रद्द करू\u0020 printing_not_supported=चेतावनी: ई ब्राउजर पर छपाइ पूर्ण तरह सँ समर्थित नहि अछि. printing_not_ready=चेतावनी: पीडीएफ छपाइक लेल पूर्ण तरह सँ लोड नहि अछि. web_fonts_disabled=वेब फॉन्ट्स निष्क्रिय अछि: अंतःस्थापित PDF फान्टसक उपयोगमे असमर्थ. +document_colors_not_allowed=PDF दस्तावेज़ हुकर अपन रंग केँ उपयोग करबाक लेल अनुमति प्राप्त नहि अछि: 'पृष्ठ केँ हुकर अपन रंग केँ चुनबाक लेल स्वीकृति दिअ जे ओ ओहि ब्राउज़र मे निष्क्रिय अछि. diff --git a/pdf.js/locale/ml/viewer.properties b/pdf.js/locale/ml/viewer.properties index ecacc7c..084d877 100644 --- a/pdf.js/locale/ml/viewer.properties +++ b/pdf.js/locale/ml/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=രേഖയുടെ വിശേഷതകള്‍.. document_properties_label=രേഖയുടെ വിശേഷതകള്‍... document_properties_file_name=ഫയലിന്റെ പേര്‌: document_properties_file_size=ഫയലിന്റെ വലിപ്പം:‌‌ +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} കെബി ({{size_b}} ബൈറ്റുകള്‍) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} എംബി ({{size_b}} ബൈറ്റുകള്‍) document_properties_title=തലക്കെട്ട്‌\u0020 document_properties_author=രചയിതാവ്: @@ -75,6 +79,8 @@ document_properties_subject=വിഷയം: document_properties_keywords=കീവേര്‍ഡുകള്‍: document_properties_creation_date=പൂര്‍ത്തിയാകുന്ന തീയതി: document_properties_modification_date=മാറ്റം വരുത്തിയ തീയതി: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=സൃഷ്ടികര്‍ത്താവ്: document_properties_producer=പിഡിഎഫ് പ്രൊഡ്യൂസര്‍: @@ -140,12 +146,16 @@ page_scale_width=താളിന്റെ വീതി page_scale_fit=താള്‍ പാകത്തിനാക്കുക page_scale_auto=സ്വയമായി വലുതാക്കുക page_scale_actual=യഥാര്‍ത്ഥ വ്യാപ്തി +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=പിശക് loading_error=പിഡിഎഫ് ലഭ്യമാക്കുമ്പോള്‍ പിശക് ഉണ്ടായിരിയ്ക്കുന്നു. invalid_file_error=തെറ്റായ അല്ലെങ്കില്‍ തകരാറുള്ള പിഡിഎഫ് ഫയല്‍. missing_file_error=പിഡിഎഫ് ഫയല്‍ ലഭ്യമല്ല. +unexpected_response_error=പ്രതീക്ഷിക്കാത്ത സെര്‍വര്‍ മറുപടി. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=റദ്ദാക്കുക printing_not_supported=മുന്നറിയിപ്പു്: ഈ ബ്രൌസര്‍ പൂര്‍ണ്ണമായി പ്രിന്റിങ് പിന്തുണയ്ക്കുന്നില്ല. printing_not_ready=മുന്നറിയിപ്പു്: പ്രിന്റ് ചെയ്യുന്നതിനു് പിഡിഎഫ് പൂര്‍ണ്ണമായി ലഭ്യമല്ല. web_fonts_disabled=വെബിനുള്ള അക്ഷരസഞ്ചയങ്ങള്‍ പ്രവര്‍ത്തന രഹിതം: എംബഡ്ഡ് ചെയ്ത പിഡിഎഫ് അക്ഷരസഞ്ചയങ്ങള്‍ ഉപയോഗിയ്ക്കുവാന്‍ സാധ്യമല്ല. -document_colors_disabled=സ്വന്തം നിറങ്ങള്‍ ഉപയോഗിയ്ക്കുവാന്‍ പിഡിഎഫ് രേഖകള്‍ക്കു് അനുവാദമില്ല: 'സ്വന്തം നിറങ്ങള്‍ ഉപയോഗിയ്ക്കുവാന്‍ താളുകളെ അനുവദിയ്ക്കുക' എന്നതു് ബ്രൌസറില്‍ നിര്‍ജീവമാണു്. +document_colors_not_allowed=സ്വന്തം നിറങ്ങള്‍ ഉപയോഗിയ്ക്കുവാന്‍ പിഡിഎഫ് രേഖകള്‍ക്കു് അനുവാദമില്ല: 'സ്വന്തം നിറങ്ങള്‍ ഉപയോഗിയ്ക്കുവാന്‍ താളുകളെ അനുവദിയ്ക്കുക' എന്നതു് ബ്രൌസറില്‍ നിര്‍ജീവമാണു്. diff --git a/pdf.js/locale/mn/viewer.properties b/pdf.js/locale/mn/viewer.properties index f036644..dfa1d6d 100644 --- a/pdf.js/locale/mn/viewer.properties +++ b/pdf.js/locale/mn/viewer.properties @@ -25,6 +25,17 @@ open_file_label=Нээ # Secondary toolbar and context menu + +# Document properties dialog box +document_properties_file_name=Файлын нэр: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_title=Гарчиг: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. + # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) @@ -43,7 +54,6 @@ find_not_found=Олдсонгүй # Error panel labels error_more_info=Нэмэлт мэдээлэл -error_close=Хаа # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. # LOCALIZATION NOTE (error_message): "{{message}}" will be replaced by an @@ -54,6 +64,8 @@ error_close=Хаа # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number # Predefined zoom values +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Алдаа @@ -62,4 +74,6 @@ loading_error_indicator=Алдаа # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" +password_ok=OK +password_cancel=Цуцал diff --git a/pdf.js/locale/mr/viewer.properties b/pdf.js/locale/mr/viewer.properties index fafcf75..b96782d 100644 --- a/pdf.js/locale/mr/viewer.properties +++ b/pdf.js/locale/mr/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=दस्तऐवज गुणधर्म… document_properties_label=दस्तऐवज गुणधर्म… document_properties_file_name=फाइलचे नाव: document_properties_file_size=फाइल आकार: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} बाइट्स) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} बाइट्स) document_properties_title=शिर्षक: document_properties_author=लेखक: @@ -75,6 +79,8 @@ document_properties_subject=विषय: document_properties_keywords=मुख्यशब्द: document_properties_creation_date=निर्माण दिनांक: document_properties_modification_date=दुरूस्ती दिनांक: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=निर्माता: document_properties_producer=PDF निर्माता: @@ -140,12 +146,16 @@ page_scale_width=पृष्ठाची रूंदी page_scale_fit=पृष्ठ बसवा page_scale_auto=स्वयं लाहन किंवा मोठे करणे page_scale_actual=प्रत्यक्ष आकार +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=त्रुटी loading_error=PDF लोड करतेवेळी त्रुटी आढळली. invalid_file_error=अवैध किंवा दोषीत PDF फाइल. missing_file_error=न आढळणारी PDF फाइल. +unexpected_response_error=अनपेक्षित सर्व्हर प्रतिसाद. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=रद्द करा printing_not_supported=सावधानता: या ब्राउजरतर्फे छपाइ पूर्णपणे समर्थीत नाही. printing_not_ready=सावधानता: छपाईकरिता PDF पूर्णतया लोड झाले नाही. web_fonts_disabled=वेब फाँट्स असमर्थीत आहेत: एम्बेडेड PDF फाँट्स्चा वापर अशक्य. -document_colors_disabled=PDF दस्ताएवजांना त्यांचे रंग वापरण्यास अनुमती नाही: ब्राउजरमध्ये ' पानांना त्यांचे रंग निवडण्यास अनुमती द्या' बंद केले आहे. +document_colors_not_allowed=PDF दस्ताएवजांना त्यांचे रंग वापरण्यास अनुमती नाही: ब्राउजरमध्ये ' पानांना त्यांचे रंग निवडण्यास अनुमती द्या' बंद केले आहे. diff --git a/pdf.js/locale/ms/viewer.properties b/pdf.js/locale/ms/viewer.properties index b43b4ad..cc6b70b 100644 --- a/pdf.js/locale/ms/viewer.properties +++ b/pdf.js/locale/ms/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Ciri Dokumen… document_properties_label=Ciri Dokumen… document_properties_file_name=Nama fail: document_properties_file_size=Saiz fail: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bait) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bait) document_properties_title=Tajuk: document_properties_author=Pengarang: @@ -75,6 +79,8 @@ document_properties_subject=Subjek: document_properties_keywords=Kata kunci: document_properties_creation_date=Masa Dicipta: document_properties_modification_date=Tarikh Ubahsuai: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Pencipta: document_properties_producer=Pengeluar PDF: @@ -140,6 +146,8 @@ page_scale_width=Lebar Halaman page_scale_fit=Muat Halaman page_scale_auto=Zoom Automatik page_scale_actual=Saiz Sebenar +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Ralat @@ -160,4 +168,4 @@ password_cancel=Batal printing_not_supported=Amaran: Cetakan ini tidak sepenuhnya disokong oleh pelayar ini. printing_not_ready=Amaran: PDF tidak sepenuhnya dimuatkan untuk dicetak. web_fonts_disabled=Fon web dilumpuhkan: tidak dapat fon PDF terbenam. -document_colors_disabled=Dokumen PDF tidak dibenarkan untuk menggunakan warna sendiri: 'Benarkan muka surat untuk memilih warna sendiri' telah dinyahaktif dalam pelayar. +document_colors_not_allowed=Dokumen PDF tidak dibenarkan untuk menggunakan warna sendiri: 'Benarkan muka surat untuk memilih warna sendiri' telah dinyahaktif dalam pelayar. diff --git a/pdf.js/locale/my/viewer.properties b/pdf.js/locale/my/viewer.properties index 721e0d0..303a9db 100644 --- a/pdf.js/locale/my/viewer.properties +++ b/pdf.js/locale/my/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=မှတ်တမ်းမှတ်ရာ ဂုဏ document_properties_label=မှတ်တမ်းမှတ်ရာ ဂုဏ်သတ္တိများ document_properties_file_name=ဖိုင် : document_properties_file_size=ဖိုင်ဆိုဒ် : +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} ကီလိုဘိုတ် ({size_kb}}ဘိုတ်) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=ခေါင်းစဉ်‌ - document_properties_author=ရေးသားသူ: @@ -75,6 +79,8 @@ document_properties_subject=အကြောင်းအရာ:\u0020 document_properties_keywords=သော့ချက် စာလုံး: document_properties_creation_date=ထုတ်လုပ်ရက်စွဲ: document_properties_modification_date=ပြင်ဆင်ရက်စွဲ: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=ဖန်တီးသူ: document_properties_producer=PDF ထုတ်လုပ်သူ: @@ -140,12 +146,16 @@ page_scale_width=စာမျက်နှာ အကျယ် page_scale_fit=စာမျက်နှာ ကွက်တိ page_scale_auto=အလိုအလျောက် ချုံ့ချဲ့ page_scale_actual=အမှန်တကယ်ရှိတဲ့ အရွယ် +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=အမှား loading_error=PDF ဖိုင် ကိုဆွဲတင်နေချိန်မှာ အမှားတစ်ခုတွေ့ရပါတယ်။ invalid_file_error=မရသော သို့ ပျက်နေသော PDF ဖိုင် missing_file_error=PDF ပျောက်ဆုံး +unexpected_response_error=မမျှော်လင့်ထားသော ဆာဗာမှ ပြန်ကြားချက် # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=ပယ်​ဖျက်ပါ printing_not_supported=သတိပေးချက်၊ပရင့်ထုတ်ခြင်းကိုဤဘယောက်ဆာသည် ပြည့်ဝစွာထောက်ပံ့မထားပါ ။ printing_not_ready=သတိပေးချက်: ယခု PDF ဖိုင်သည် ပုံနှိပ်ရန် မပြည့်စုံပါ web_fonts_disabled=Web fonts are disabled: unable to use embedded PDF fonts. -document_colors_disabled=PDF ဖိုင်အား ၎င်းဤ ကိုယ်ပိုင်အရောင်များကို အသုံးပြုခွင့်မပေးထားပါ ။ 'စာမျက်နှာအားလုံးအားအရောင်ရွေးချယ်ခွင့်' အား ယခု ဘယောက်ဆာတွင် ပိတ်ထားခြင်းကြောင့်ဖြစ် သှ် +document_colors_not_allowed=PDF ဖိုင်အား ၎င်းဤ ကိုယ်ပိုင်အရောင်များကို အသုံးပြုခွင့်မပေးထားပါ ။ 'စာမျက်နှာအားလုံးအားအရောင်ရွေးချယ်ခွင့်' အား ယခု ဘယောက်ဆာတွင် ပိတ်ထားခြင်းကြောင့်ဖြစ် သှ် diff --git a/pdf.js/locale/nb-NO/viewer.properties b/pdf.js/locale/nb-NO/viewer.properties index cce8cbf..9b3839f 100644 --- a/pdf.js/locale/nb-NO/viewer.properties +++ b/pdf.js/locale/nb-NO/viewer.properties @@ -140,12 +140,16 @@ page_scale_width=Sidebredde page_scale_fit=Tilpass til siden page_scale_auto=Automatisk zoom page_scale_actual=Virkelig størrelse +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}} % # Loading indicator messages loading_error_indicator=Feil loading_error=En feil oppstod ved lasting av PDF. invalid_file_error=Ugyldig eller skadet PDF-fil. missing_file_error=Manglende PDF-fil. +unexpected_response_error=Uventet serverrespons. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in diff --git a/pdf.js/locale/nl/viewer.properties b/pdf.js/locale/nl/viewer.properties index d5ed70a..79895d2 100644 --- a/pdf.js/locale/nl/viewer.properties +++ b/pdf.js/locale/nl/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Documenteigenschappen… document_properties_label=Documenteigenschappen… document_properties_file_name=Bestandsnaam: document_properties_file_size=Bestandsgrootte: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Titel: document_properties_author=Auteur: @@ -75,6 +79,8 @@ document_properties_subject=Onderwerp: document_properties_keywords=Trefwoorden: document_properties_creation_date=Aanmaakdatum: document_properties_modification_date=Wijzigingsdatum: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Auteur: document_properties_producer=PDF-producent: @@ -140,12 +146,16 @@ page_scale_width=Paginabreedte page_scale_fit=Hele pagina page_scale_auto=Automatisch zoomen page_scale_actual=Werkelijke grootte +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Fout loading_error=Er is een fout opgetreden bij het laden van de PDF. invalid_file_error=Ongeldig of beschadigd PDF-bestand. missing_file_error=PDF-bestand ontbreekt. +unexpected_response_error=Onverwacht serverantwoord. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -158,6 +168,6 @@ password_ok=OK password_cancel=Annuleren printing_not_supported=Waarschuwing: afdrukken wordt niet volledig ondersteund door deze browser. -printing_not_ready=Warning: PDF is niet volledig geladen om af te drukken. +printing_not_ready=Waarschuwing: de PDF is niet volledig geladen voor afdrukken. web_fonts_disabled=Weblettertypen zijn uitgeschakeld: gebruik van ingebedde PDF-lettertypen is niet mogelijk. document_colors_disabled=PDF-documenten mogen hun eigen kleuren niet gebruiken: ‘Pagina’s toestaan om hun eigen kleuren te kiezen’ is uitgeschakeld in de browser. diff --git a/pdf.js/locale/nn-NO/viewer.properties b/pdf.js/locale/nn-NO/viewer.properties index 7b016f3..b3c8089 100644 --- a/pdf.js/locale/nn-NO/viewer.properties +++ b/pdf.js/locale/nn-NO/viewer.properties @@ -44,9 +44,9 @@ bookmark_label=Gjeldande vising # Secondary toolbar and context menu tools.title=Verktøy tools_label=Verktøy -first_page.title=Gå til første side -first_page.label=Gå til første side -first_page_label=Gå til første side +first_page.title=Gå til fyrstesida +first_page.label=Gå til fyrstesida +first_page_label=Gå til fyrstesida last_page.title=Gå til siste side last_page.label=Gå til siste side last_page_label=Gå til siste side @@ -72,7 +72,7 @@ document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Dokumenteigenskapar … document_properties_author=Forfattar: document_properties_subject=Emne: -document_properties_keywords=Nykelord: +document_properties_keywords=Stikkord: document_properties_creation_date=Dato oppretta: document_properties_modification_date=Dato endra: document_properties_date_string={{date}}, {{time}} @@ -140,12 +140,16 @@ page_scale_width=Sidebreidde page_scale_fit=Tilpass til sida page_scale_auto=Automatisk skalering page_scale_actual=Verkeleg storleik +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Feil loading_error=Ein feil oppstod ved lasting av PDF. -invalid_file_error=Ugyldig eller korrupt PDF fil. +invalid_file_error=Ugyldig eller korrupt PDF-fil. missing_file_error=Manglande PDF-fil. +unexpected_response_error=Uventa tenarrespons. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -159,5 +163,5 @@ password_cancel=Avbryt printing_not_supported=Åtvaring: Utskrift er ikkje fullstendig støtta av denne nettlesaren. printing_not_ready=Åtvaring: PDF ikkje fullstendig innlasta for utskrift. -web_fonts_disabled=Vev-fontar er slått av: Kan ikkje bruka innbundne PDF-fontar. -document_colors_disabled=PDF-dokument har ikkje løyve til å bruka eigne fargar: \'Tillat sider å velja eigne fargar\' er slått av i nettlesaren. +web_fonts_disabled=Vev-skrifter er slått av: Kan ikkje bruka innbundne PDF-skrifter. +document_colors_disabled=PDF-dokument har ikkje løyve til å bruka eigne fargar: 'Tillat sider å velja eigne fargar' er slått av i nettlesaren. diff --git a/pdf.js/locale/nso/viewer.properties b/pdf.js/locale/nso/viewer.properties index 09923f5..02cc7d8 100644 --- a/pdf.js/locale/nso/viewer.properties +++ b/pdf.js/locale/nso/viewer.properties @@ -30,17 +30,30 @@ zoom_out_label=Bušetša ka gare zoom_in.title=Godišetša ka ntle zoom_in_label=Godišetša ka ntle zoom.title=Godiša -print.title=Gatiša -print_label=Gatiša presentation_mode.title=Fetogela go mokgwa wa tlhagišo presentation_mode_label=Mokgwa wa tlhagišo open_file.title=Bula faele open_file_label=Bula +print.title=Gatiša +print_label=Gatiša download.title=Laolla download_label=Laolla bookmark.title=Pono ya bjale (kopiša le go bula lefasetereng le leswa) bookmark_label=Tebelelo ya gona bjale +# Secondary toolbar and context menu + + +# Document properties dialog box +document_properties_file_name=Leina la faele: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_title=Thaetlele: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. + # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) @@ -61,12 +74,6 @@ thumb_page_title=Letlakala {{page}} # number. thumb_page_canvas=Khutšofatšo ya letlakala {{page}} -# Context menu -first_page.label=Eya letlakaleng la mathomo -last_page.label=Eya letlakaleng la mafelelo -page_rotate_cw.label=Dikološa go ya ka go la go ja -page_rotate_ccw.label=Dikološa go ya go la ntsogošo - # Find panel button title and messages find_label=Hwetša: find_previous.title=Hwetša tiragalo e fetilego ya sekafoko @@ -82,7 +89,6 @@ find_not_found=Sekafoko ga sa hwetšwa # Error panel labels error_more_info=Tshedimošo e oketšegilego error_less_info=Tshedimošo ya tlasana -error_close=Tswalela # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. error_version_info=PDF.js v{{version}} (build: {{build}}) @@ -103,6 +109,8 @@ page_scale_width=Bophara bja letlakala page_scale_fit=Go lekana ga letlakala page_scale_auto=Kgodišo ya maitirišo page_scale_actual=Bogolo bja kgonthe +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Phošo @@ -110,14 +118,14 @@ loading_error=Go diregile phošo ge go hlahlelwa PDF. invalid_file_error=Faele ye e sa šomego goba e senyegilego ya PDF. missing_file_error=Faele yeo e sego gona ya PDF. -# LOCALIZATION NOTE (text_annotation_type): This is used as a tooltip. +# LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" -text_annotation_type=[{{type}} Tlhaloso] -request_password=PDF e šireleditšwe ka lentšuphetišo: +text_annotation_type.alt=[{{type}} Tlhaloso] +password_ok=LOKILE +password_cancel=Khansela printing_not_supported=Temošo: Go gatiša ga go thekgwe ke praosara ye ka botlalo. printing_not_ready=Temošo: PDF ga ya hlahlelwa ka botlalo bakeng sa go gatišwa. web_fonts_disabled=Difonte tša wepe di šitišitšwe: ga e kgone go diriša difonte tša PDF tše khutišitšwego. -web_colors_disabled=Mebala ya wepe e šitišitšwe. diff --git a/pdf.js/locale/oc/viewer.properties b/pdf.js/locale/oc/viewer.properties index f80fcef..d9a9165 100644 --- a/pdf.js/locale/oc/viewer.properties +++ b/pdf.js/locale/oc/viewer.properties @@ -30,7 +30,7 @@ zoom_out_label=Zoom arrièr zoom_in.title=Zoom avant zoom_in_label=Zoom avant zoom.title=Zoom -presentation_mode.title=Bascuolar en mòde presentacion +presentation_mode.title=Bascular en mòde presentacion presentation_mode_label=Mòde Presentacion open_file.title=Dobrir lo fichièr open_file_label=Dobrir @@ -67,7 +67,11 @@ document_properties.title=Proprietats del document... document_properties_label=Proprietats del document... document_properties_file_name=Nom del fichièr : document_properties_file_size=Talha del fichièr : +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} Ko ({{size_b}} octets) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} Mo ({{size_b}} octets) document_properties_title=Títol : document_properties_author=Autor : @@ -75,6 +79,8 @@ document_properties_subject=Subjècte : document_properties_keywords=Mots claus : document_properties_creation_date=Data de creacion : document_properties_modification_date=Data de modificacion : +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Creator : document_properties_producer=Aisina de conversion PDF : @@ -140,6 +146,8 @@ page_scale_width=Largor plena page_scale_fit=Pagina entièra page_scale_auto=Zoom automatic page_scale_actual=Talha vertadièra +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Error @@ -160,4 +168,4 @@ password_cancel=Anullar printing_not_supported=Atencion : l'estampatge es pas completament gerit per aqueste navigador. printing_not_ready=Atencion : lo PDF es pas entièrament cargat per lo poder imprimir. web_fonts_disabled=Las poliças web son desactivadas : impossible d'utilizar las poliças integradas al PDF. -document_colors_disabled=Los documents PDF pòdon pas utilizar lors pròprias colors : « Autorizar las paginas web d'utilizar lors pròprias colors » es desactivat dins lo navigador. +document_colors_not_allowed=Los documents PDF pòdon pas utilizar lors pròprias colors : « Autorizar las paginas web d'utilizar lors pròprias colors » es desactivat dins lo navigador. diff --git a/pdf.js/locale/or/viewer.properties b/pdf.js/locale/or/viewer.properties index 4706f82..279407d 100644 --- a/pdf.js/locale/or/viewer.properties +++ b/pdf.js/locale/or/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=ଦଲିଲ ଗୁଣଧର୍ମ… document_properties_label=ଦଲିଲ ଗୁଣଧର୍ମ… document_properties_file_name=ଫାଇଲ ନାମ: document_properties_file_size=ଫାଇଲ ଆକାର: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=ଶୀର୍ଷକ: document_properties_author=ଲେଖକ: @@ -75,6 +79,8 @@ document_properties_subject=ବିଷୟ: document_properties_keywords=ସୂଚକ ଶବ୍ଦ: document_properties_creation_date=ନିର୍ମାଣ ତାରିଖ: document_properties_modification_date=ପରିବର୍ତ୍ତନ ତାରିଖ: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=ନିର୍ମାତା: document_properties_producer=PDF ପ୍ରଯୋଜକ: @@ -140,12 +146,15 @@ page_scale_width=ପୃଷ୍ଠା ଓସାର page_scale_fit=ପୃଷ୍ଠା ମେଳନ page_scale_auto=ସ୍ୱୟଂଚାଳିତ ଭାବରେ ଛୋଟବଡ଼ କରିବା page_scale_actual=ପ୍ରକୃତ ଆକାର +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=ତ୍ରୁଟି loading_error=PDF ଧାରଣ କରିବା ସମୟରେ ଏକ ତ୍ରୁଟି ଘଟିଲା। invalid_file_error=ଅବୈଧ କିମ୍ବା ତ୍ରୁଟିଯୁକ୍ତ PDF ଫାଇଲ। missing_file_error=ହଜିଯାଇଥିବା PDF ଫାଇଲ। +unexpected_response_error=ଅପ୍ରତ୍ୟାଶିତ ସର୍ଭର ଉତ୍ତର। # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +169,4 @@ password_cancel=ବାତିଲ କରନ୍ତୁ printing_not_supported=ଚେତାବନୀ: ଏହି ବ୍ରାଉଜର ଦ୍ୱାରା ମୁଦ୍ରଣ କ୍ରିୟା ସମ୍ପୂର୍ଣ୍ଣ ଭାବରେ ସହାୟତା ପ୍ରାପ୍ତ ନୁହଁ। printing_not_ready=ଚେତାବନୀ: PDF ଟି ମୁଦ୍ରଣ ପାଇଁ ସମ୍ପୂର୍ଣ୍ଣ ଭାବରେ ଧାରଣ ହୋଇ ନାହିଁ। web_fonts_disabled=ୱେବ ଅକ୍ଷରରୂପଗୁଡ଼ିକୁ ନିଷ୍କ୍ରିୟ କରାଯାଇଛି: ସନ୍ନିହିତ PDF ଅକ୍ଷରରୂପଗୁଡ଼ିକୁ ବ୍ୟବହାର କରିବାରେ ଅସମର୍ଥ। -document_colors_disabled=PDF ଦଲିଲଗୁଡ଼ିକ ସେମାନଙ୍କର ନିଜର ରଙ୍ଗ ବ୍ୟବହାର କରିବା ପାଇଁ ଅନୁମତି ପ୍ରାପ୍ତ ନୁହଁ: 'ସେମାନଙ୍କର ନିଜ ରଙ୍ଗ ବାଛିବା ପାଇଁ ପୃଷ୍ଠାଗୁଡ଼ିକୁ ଅନୁମତି ଦିଅନ୍ତୁ' କୁ ବ୍ରାଉଜରରେ ନିଷ୍କ୍ରିୟ କରାଯାଇଛି। +document_colors_not_allowed=PDF ଦଲିଲଗୁଡ଼ିକ ସେମାନଙ୍କର ନିଜର ରଙ୍ଗ ବ୍ୟବହାର କରିବା ପାଇଁ ଅନୁମତି ପ୍ରାପ୍ତ ନୁହଁ: 'ସେମାନଙ୍କର ନିଜ ରଙ୍ଗ ବାଛିବା ପାଇଁ ପୃଷ୍ଠାଗୁଡ଼ିକୁ ଅନୁମତି ଦିଅନ୍ତୁ' କୁ ବ୍ରାଉଜରରେ ନିଷ୍କ୍ରିୟ କରାଯାଇଛି। diff --git a/pdf.js/locale/pa-IN/viewer.properties b/pdf.js/locale/pa-IN/viewer.properties index 1b0fb34..fb26fc3 100644 --- a/pdf.js/locale/pa-IN/viewer.properties +++ b/pdf.js/locale/pa-IN/viewer.properties @@ -35,7 +35,7 @@ print_label=ਪਰਿੰਟ presentation_mode.title=ਪਰਿਜੈਂਟੇਸ਼ਨ ਮੋਡ ਵਿੱਚ ਜਾਓ presentation_mode_label=ਪਰਿਜੈਂਟੇਸ਼ਨ ਮੋਡ -open_file.title=ਫਾਇਲ ਖੋਲ੍ਹੋ +open_file.title=ਫਾਈਲ ਖੋਲ੍ਹੋ open_file_label=ਖੋਲ੍ਹੋ download.title=ਡਾਊਨਲੋਡ download_label=ਡਾਊਨਲੋਡ @@ -65,10 +65,10 @@ hand_tool_disable_label=ਹੱਥ ਟੂਲ ਬੰਦ # Document properties dialog box document_properties.title=…ਦਸਤਾਵੇਜ਼ ਵਿਸ਼ੇਸ਼ਤਾ document_properties_label=…ਦਸਤਾਵੇਜ਼ ਵਿਸ਼ੇਸ਼ਤਾ -document_properties_file_name=ਫਾਇਲ ਨਾਂ: -document_properties_file_size=ਫਾਇਲ ਆਕਾਰ: -document_properties_kb={{size_kb}} KB ({{size_b}} bytes) -document_properties_mb={{size_mb}} MB ({{size_b}} bytes) +document_properties_file_name=ਫਾਈਲ ਨਾਂ: +document_properties_file_size=ਫਾਈਲ ਆਕਾਰ: +document_properties_kb={{size_kb}} KB ({{size_b}} ਬਾਈਟ) +document_properties_mb={{size_mb}} MB ({{size_b}} ਬਾਈਟ) document_properties_title=ਟਾਈਟਲ: document_properties_author=ਲੇਖਕ: document_properties_subject=ਵਿਸ਼ਾ: @@ -91,8 +91,8 @@ toggle_sidebar_label=ਬਾਹੀ ਬਦਲੋ outline.title=ਦਸਤਾਵੇਜ਼ ਆਉਟਲਾਈਨ ਵੇਖਾਓ outline_label=ਦਸਤਾਵੇਜ਼ ਆਉਟਲਾਈਨ -attachments.title=Show Attachments -attachments_label=Attachments +attachments.title=ਅਟੈਚਮੈਂਟ ਵੇਖਾਓ +attachments_label=ਅਟੈਚਮੈਂਟ thumbs.title=ਥੰਮਨੇਲ ਵੇਖਾਓ thumbs_label=ਥੰਮਨੇਲ findbar.title=ਦਸਤਾਵੇਜ਼ ਵਿੱਚ ਲੱਭੋ @@ -143,7 +143,7 @@ error_message=ਸੁਨੇਹਾ: {{message}} # trace. error_stack=ਸਟੈਕ: {{stack}} # LOCALIZATION NOTE (error_file): "{{file}}" will be replaced with a filename -error_file=ਫਾਇਲ: {{file}} +error_file=ਫਾਈਲ: {{file}} # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number error_line=ਲਾਈਨ: {{line}} rendering_error=ਸਫ਼ਾ ਰੈਡਰ ਕਰਨ ਦੇ ਦੌਰਾਨ ਗਲਤੀ ਆਈ ਹੈ। @@ -153,25 +153,29 @@ page_scale_width=ਸਫ਼ਾ ਚੌੜਾਈ page_scale_fit=ਸਫ਼ਾ ਫਿੱਟ page_scale_auto=ਆਟੋਮੈਟਿਕ ਜ਼ੂਮ page_scale_actual=ਆਟੋਮੈਟਿਕ ਆਕਾਰ +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages # LOCALIZATION NOTE (error_line): "{{[percent}}" will be replaced with a percentage loading_error_indicator=ਗਲਤੀ loading_error=PDF ਲੋਡ ਕਰਨ ਦੇ ਦੌਰਾਨ ਗਲਤੀ ਆਈ ਹੈ। -invalid_file_error=ਗਲਤ ਜਾਂ ਨਿਕਾਰਾ PDF ਫਾਇਲ ਹੈ। -missing_file_error=ਨਾ-ਮੌਜੂਦ PDF ਫਾਇਲ। +invalid_file_error=ਗਲਤ ਜਾਂ ਨਿਕਾਰਾ PDF ਫਾਈਲ ਹੈ। +missing_file_error=ਨਾ-ਮੌਜੂਦ PDF ਫਾਈਲ। +unexpected_response_error=ਅਣਜਾਣ ਸਰਵਰ ਜਵਾਬ। # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" text_annotation_type.alt=[{{type}} ਵਿਆਖਿਆ] -password_label=ਇਹ PDF ਫਾਇਲ ਖੋਲ੍ਹਣ ਲਈ ਪਾਸਵਰਡ ਦਿਉ। +password_label=ਇਹ PDF ਫਾਈਲ ਖੋਲ੍ਹਣ ਲਈ ਪਾਸਵਰਡ ਦਿਉ। password_invalid=ਗਲਤ ਪਾਸਵਰਡ। ਫੇਰ ਕੋਸ਼ਿਸ਼ ਕਰੋ ਜੀ। password_ok=ਠੀਕ ਹੈ password_cancel=ਰੱਦ ਕਰੋ printing_not_supported=ਸਾਵਧਾਨ: ਇਹ ਬਰਾਊਜ਼ਰ ਪਰਿੰਟ ਕਰਨ ਲਈ ਪੂਰੀ ਤਰ੍ਹਾਂ ਸਹਾਇਕ ਨਹੀਂ ਹੈ। -printing_not_ready=ਸਾਵਧਾਨ: ਪੀਡੀਐਫ(PDF) ਪਰਿੰਟ ਕਰਨ ਲਈ ਪੂਰੀ ਤਰ੍ਹਾਂ ਲੋਡ ਨਹੀਂ ਹੈ। -web_fonts_disabled=ਵੈਬ ਫੋਂਟ ਬੰਦ ਹਨ: ਇੰਬੈਡ ਪੀਡੀਐਫ (PDF) ਫੋਂਟ ਵਰਤਨ ਲਈ ਅਸਮਰੱਥ ਹੈ। +printing_not_ready=ਸਾਵਧਾਨ: PDF ਪਰਿੰਟ ਕਰਨ ਲਈ ਪੂਰੀ ਤਰ੍ਹਾਂ ਲੋਡ ਨਹੀਂ ਹੈ। +web_fonts_disabled=ਵੈਬ ਫੋਂਟ ਬੰਦ ਹਨ: ਇੰਬੈਡ PDF ਫੋਂਟ ਵਰਤਨ ਲਈ ਅਸਮਰੱਥ ਹੈ। document_colors_disabled=PDF ਡੌਕੂਮੈਂਟ ਨੂੰ ਆਪਣੇ ਰੰਗ ਵਰਤਣ ਦੀ ਇਜ਼ਾਜ਼ਤ ਨਹੀਂ ਹੈ।: ਬਰਾਊਜ਼ਰ ਵਿੱਚ \u0022ਸਫ਼ਿਆਂ ਨੂੰ ਆਪਣੇ ਰੰਗ ਵਰਤਣ ਦਿਉ\u0022 ਨੂੰ ਬੰਦ ਕੀਤਾ ਹੋਇਆ ਹੈ। \ No newline at end of file diff --git a/pdf.js/locale/pl/viewer.properties b/pdf.js/locale/pl/viewer.properties index d603cfe..d52c880 100644 --- a/pdf.js/locale/pl/viewer.properties +++ b/pdf.js/locale/pl/viewer.properties @@ -28,7 +28,7 @@ print.title=Drukowanie print_label=Drukuj download.title=Pobieranie download_label=Pobierz -bookmark.title=Bieżąca pozycja (skopiuj lub otwórz jako odnośnik w nowym oknie) +bookmark.title=Bieżąca pozycja (skopiuj lub otwórz jako odnośnik w nowym oknie) bookmark_label=Bieżąca pozycja tools.title=Tools @@ -39,9 +39,9 @@ first_page_label=Przejdź do pierwszej strony last_page.title=Przechodzenie do ostatniej strony last_page.label=Przejdź do ostatniej strony last_page_label=Przejdź do ostatniej strony -page_rotate_cw.title=Obracanie zgodnie z ruchem wskazówek zegara -page_rotate_cw.label=Obróć zgodnie z ruchem wskazówek zegara -page_rotate_cw_label=Obróć zgodnie z ruchem wskazówek zegara +page_rotate_cw.title=Obracanie zgodnie z ruchem wskazówek zegara +page_rotate_cw.label=Obróć zgodnie z ruchem wskazówek zegara +page_rotate_cw_label=Obróć zgodnie z ruchem wskazówek zegara page_rotate_ccw.title=Obracanie przeciwnie do ruchu wskazówek zegara page_rotate_ccw.label=Obróć przeciwnie do ruchu wskazówek zegara page_rotate_ccw_label=Obróć przeciwnie do ruchu wskazówek zegara @@ -81,7 +81,7 @@ attachments.title=Wyświetlanie załączników attachments_label=Załączniki thumbs.title=Wyświetlanie miniaturek thumbs_label=Miniaturki -findbar.title=Znajdź w dokumencie +findbar.title=Znajdź w dokumencie findbar_label=Znajdź # Thumbnails panel item (tooltip and alt text for images) @@ -128,12 +128,13 @@ page_scale_width=Szerokość strony page_scale_fit=Dopasowanie strony page_scale_auto=Skala automatyczna page_scale_actual=Rozmiar rzeczywisty +page_scale_percent={{scale}}% -# Loading indicator messages loading_error_indicator=Błąd loading_error=Podczas wczytywania dokumentu PDF wystąpił błąd. invalid_file_error=Nieprawidłowy lub uszkodzony plik PDF. missing_file_error=Brak pliku PDF. +unexpected_response_error=Nieoczekiwana odpowiedź serwera. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -145,7 +146,7 @@ password_invalid=Nieprawidłowe hasło. Proszę spróbować ponownie. password_ok=OK password_cancel=Anuluj -printing_not_supported=Ostrzeżenie: Drukowanie nie jest w pełni wspierane przez przeglądarkę. +printing_not_supported=Ostrzeżenie: Drukowanie nie jest w pełni wspierane przez przeglądarkę. printing_not_ready=Ostrzeżenie: Dokument PDF nie jest całkowicie wczytany, więc nie można go wydrukować. web_fonts_disabled=Czcionki sieciowe są wyłączone: nie można użyć osadzonych czcionek PDF. -document_colors_disabled=Dokumenty PDF nie mogą używać własnych kolorów: Opcja „Pozwalaj stronom stosować inne kolory” w przeglądarce jest nieaktywna. +document_colors_not_allowed=Dokumenty PDF nie mogą używać własnych kolorów: Opcja „Pozwalaj stronom stosować inne kolory” w przeglądarce jest nieaktywna. diff --git a/pdf.js/locale/pt-BR/viewer.properties b/pdf.js/locale/pt-BR/viewer.properties index ec40786..cdfd8f0 100644 --- a/pdf.js/locale/pt-BR/viewer.properties +++ b/pdf.js/locale/pt-BR/viewer.properties @@ -38,7 +38,7 @@ print.title=Imprimir print_label=Imprimir download.title=Download download_label=Download -bookmark.title=Visualização atual (copie ou abra em nova janela) +bookmark.title=Visualização atual (copie ou abra em uma nova janela) bookmark_label=Visualização atual # Secondary toolbar and context menu @@ -67,19 +67,25 @@ document_properties.title=Propriedades do documento… document_properties_label=Propriedades do documento… document_properties_file_name=Nome do arquivo: document_properties_file_size=Tamanho do arquivo: -document_properties_kb={{size_kb}}\u202fKB ({{size_b}} bytes) -document_properties_mb={{size_mb}}\u202fMB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Título: document_properties_author=Autor: document_properties_subject=Assunto: document_properties_keywords=Palavras-chave: document_properties_creation_date=Data da criação: document_properties_modification_date=Data da modificação: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Criação: document_properties_producer=Criador do PDF: document_properties_version=Versão do PDF: -document_properties_page_count=Contagem de páginas: +document_properties_page_count=Número de páginas: document_properties_close=Fechar # Tooltips and alt text for side panel toolbar buttons @@ -140,12 +146,16 @@ page_scale_width=Largura da página page_scale_fit=Ajustar à janela page_scale_auto=Zoom automático page_scale_actual=Tamanho real +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Erro loading_error=Ocorreu um erro ao carregar o PDF. invalid_file_error=Arquivo PDF corrompido ou inválido. missing_file_error=Arquivo PDF ausente. +unexpected_response_error=Resposta inesperada do servidor. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Cancelar printing_not_supported=Alerta: a impressão não é totalmente suportada neste navegador. printing_not_ready=Alerta: o PDF não está totalmente carregado para impressão. web_fonts_disabled=Fontes da web estão desativadas: não é possível usar fontes incorporadas do PDF. -document_colors_disabled=Documentos PDF não estão permitidos a usar suas próprias cores: “Páginas podem usar outras cores” está desativado no navegador. +document_colors_not_allowed=Documentos PDF não estão autorizados a usar suas próprias cores: “Páginas podem usar outras cores” está desativado no navegador. diff --git a/pdf.js/locale/pt-PT/viewer.properties b/pdf.js/locale/pt-PT/viewer.properties index 43ec85b..06c68ed 100644 --- a/pdf.js/locale/pt-PT/viewer.properties +++ b/pdf.js/locale/pt-PT/viewer.properties @@ -36,10 +36,10 @@ open_file.title=Abrir ficheiro open_file_label=Abrir print.title=Imprimir print_label=Imprimir -download.title=Transferir -download_label=Transferir -bookmark.title=Vista atual (copiar ou abrir em nova janela) -bookmark_label=Vista atual +download.title=Descarregar +download_label=Descarregar +bookmark.title=Visão atual (copiar ou abrir numa nova janela) +bookmark_label=Visão atual # Secondary toolbar and context menu tools.title=Ferramentas @@ -63,11 +63,15 @@ hand_tool_disable.title=Desativar ferramenta de mão hand_tool_disable_label=Desativar ferramenta de mão # Document properties dialog box -document_properties.title=Propriedades do documento... -document_properties_label=Propriedades do documento... +document_properties.title=Propriedades do documento… +document_properties_label=Propriedades do documento… document_properties_file_name=Nome do ficheiro: document_properties_file_size=Tamanho do ficheiro: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=Título: document_properties_author=Autor: @@ -75,10 +79,12 @@ document_properties_subject=Assunto: document_properties_keywords=Palavras-chave: document_properties_creation_date=Data de criação: document_properties_modification_date=Data de modificação: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Criador: document_properties_producer=Produtor de PDF: -document_properties_version=versão do PDF: +document_properties_version=Versão do PDF: document_properties_page_count=N.º de páginas: document_properties_close=Fechar @@ -106,9 +112,9 @@ thumb_page_canvas=Miniatura da página {{page}} # Find panel button title and messages find_label=Localizar: -find_previous.title=Localizar a ocorrência anterior +find_previous.title=Localizar ocorrência anterior da frase find_previous_label=Anterior -find_next.title=Localizar a ocorrência seguinte +find_next.title=Localizar ocorrência seguinte da frase find_next_label=Seguinte find_highlight=Destacar tudo find_match_case_label=Correspondência @@ -140,24 +146,28 @@ page_scale_width=Ajustar à largura page_scale_fit=Ajustar à página page_scale_auto=Tamanho automático page_scale_actual=Tamanho real +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Erro loading_error=Ocorreu um erro ao carregar o PDF. invalid_file_error=Ficheiro PDF inválido ou danificado. missing_file_error=Ficheiro PDF inexistente. +unexpected_response_error=Resposta inesperada do servidor. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" text_annotation_type.alt=[Anotação {{type}}] -password_label=Introduza a senha para abrir este PDF. -password_invalid=Senha inválida. Tente novamente. +password_label=Digite a palavra-passe para abrir este PDF. +password_invalid=Palavra-passe inválida. Por favor, tente novamente. password_ok=OK password_cancel=Cancelar printing_not_supported=Aviso: a impressão não é totalmente suportada por este navegador. printing_not_ready=Aviso: o PDF ainda não está totalmente carregado. web_fonts_disabled=Os tipos de letra web estão desativados: não é possível utilizar os tipos de letra PDF incorporados. -document_colors_disabled=Os documentos PDF não permitem a utilização das suas próprias cores: \'Autorizar as páginas a escolher as suas próprias cores\' está desativado no navegador. +document_colors_not_allowed=Os documentos PDF não permitem a utilização das suas próprias cores: 'Autorizar as páginas a escolher as suas próprias cores' está desativada no navegador. diff --git a/pdf.js/locale/rm/viewer.properties b/pdf.js/locale/rm/viewer.properties index 924f51e..5564738 100644 --- a/pdf.js/locale/rm/viewer.properties +++ b/pdf.js/locale/rm/viewer.properties @@ -1,6 +1,16 @@ -# This Source Code Form is subject to the terms of the Mozilla Public -# License, v. 2.0. If a copy of the MPL was not distributed with this -# file, You can obtain one at http://mozilla.org/MPL/2.0/. +# Copyright 2012 Mozilla Foundation +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. # Main toolbar buttons (tooltips and alt text for images) previous.title=Pagina precedenta @@ -130,12 +140,16 @@ page_scale_width=Ladezza da la pagina page_scale_fit=Entira pagina page_scale_auto=Zoom automatic page_scale_actual=Grondezza actuala +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Errur loading_error=Ina errur è cumparida cun chargiar il PDF. invalid_file_error=Datoteca PDF nunvalida u donnegiada. missing_file_error=Datoteca PDF manconta. +unexpected_response_error=Resposta nunspetgada dal server. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in diff --git a/pdf.js/locale/ro/viewer.properties b/pdf.js/locale/ro/viewer.properties index 20d2d95..c47c93f 100644 --- a/pdf.js/locale/ro/viewer.properties +++ b/pdf.js/locale/ro/viewer.properties @@ -25,11 +25,11 @@ next_label=Înainte page_label=Pagină: page_of=din {{pageCount}} -zoom_out.title=Depărtează -zoom_out_label=Depărtează -zoom_in.title=Apropie -zoom_in_label=Apropie -zoom.title=Panoramează +zoom_out.title=Micșorează +zoom_out_label=Micșorează +zoom_in.title=Mărește +zoom_in_label=Mărește +zoom.title=Scalare presentation_mode.title=Schimbă la modul de prezentare presentation_mode_label=Mod de prezentare open_file.title=Deschide un fișier @@ -38,8 +38,8 @@ print.title=Tipărește print_label=Tipărește download.title=Descarcă download_label=Descarcă -bookmark.title=Vizualizare curentă (copiați sau deschideți într-o fereastră nouă) -bookmark_label=Vizualizare curentă +bookmark.title=Vizualizare actuală (copiați sau deschideți într-o fereastră nouă) +bookmark_label=Vizualizare actuală # Secondary toolbar and context menu tools.title=Unelte @@ -67,20 +67,26 @@ document_properties.title=Proprietățile documentului… document_properties_label=Proprietățile documentului… document_properties_file_name=Nume fișier: document_properties_file_size=Dimensiune fișier: -document_properties_kb={{size_kb}} KB ({{size_b}} biți) -document_properties_mb={{size_mb}} MB ({{size_b}} biți) +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +document_properties_kb={{size_kb}} KB ({{size_b}} byți) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} MB ({{size_b}} byți) document_properties_title=Titlu: document_properties_author=Autor: document_properties_subject=Subiect: document_properties_keywords=Cuvinte cheie: document_properties_creation_date=Data creării: document_properties_modification_date=Data modificării: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Autor: document_properties_producer=Producător PDF: document_properties_version=Versiune PDF: document_properties_page_count=Număr de pagini: -document_properties_close=Închidere +document_properties_close=Închide # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -111,7 +117,7 @@ find_previous_label=Anterior find_next.title=Găstește următoarea instanță în frază find_next_label=Următor find_highlight=Evidențiază aparițiile -find_match_case_label=Potrivire litere +find_match_case_label=Potrivește literele mari și mici find_reached_top=Am ajuns la începutul documentului, continuă de la sfârșit find_reached_bottom=Am ajuns la sfârșitul documentului, continuă de la început find_not_found=Nu s-a găsit textul @@ -140,24 +146,28 @@ page_scale_width=Lățime pagină page_scale_fit=Potrivire la pagină page_scale_auto=Dimensiune automată page_scale_actual=Dimensiune reală +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Eroare loading_error=A intervenit o eroare la încărcarea fișierului PDF. invalid_file_error=Fișier PDF invalid sau deteriorat. missing_file_error=Fișier PDF lipsă. +unexpected_response_error=Răspuns neașteptat de la server. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" text_annotation_type.alt=[{{type}} Adnotare] -password_label=Introduceți parola pentru a deschide acest fişier PDF. -password_invalid=Parolă greșită. Vă rugăm încercați din nou. -password_ok=OK +password_label=Introduceți parola pentru a deschide acest fișier PDF. +password_invalid=Parolă greșită. Vă rugăm să încercați din nou. +password_ok=Ok password_cancel=Renunță -printing_not_supported=Atenție: Tipărirea nu este suportată în totalitate de acest navigator. -printing_not_ready=Avertisment: Fișierul PDF nu este încărcat complet pentru tipărire. +printing_not_supported=Atenție: Tipărirea nu este suportată în totalitate de acest browser. +printing_not_ready=Atenție: Fișierul PDF nu este încărcat complet pentru tipărire. web_fonts_disabled=Fonturile web sunt dezactivate: nu pot utiliza fonturile PDF încorporate. -document_colors_disabled=Documentele PDF nu sunt autorizate să folosească propriile culori: 'Permite paginilor să aleagă propriile culori' este dezactivată în navigator. +document_colors_not_allowed=Documentele PDF nu sunt autorizate să folosească propriile culori: 'Permite paginilor să aleagă propriile culori' este dezactivată în browser. diff --git a/pdf.js/locale/ru/viewer.properties b/pdf.js/locale/ru/viewer.properties index b2de0fe..c1af976 100644 --- a/pdf.js/locale/ru/viewer.properties +++ b/pdf.js/locale/ru/viewer.properties @@ -94,10 +94,12 @@ page_scale_width = По ширине страницы page_scale_fit = По размеру страницы page_scale_auto = Автоматически page_scale_actual = Реальный размер +page_scale_percent = {{scale}}% loading_error_indicator = Ошибка loading_error = При загрузке PDF произошла ошибка. invalid_file_error = Некорректный или повреждённый PDF-файл. missing_file_error = PDF-файл отсутствует. +unexpected_response_error = Неожиданный ответ сервера. text_annotation_type.alt = [Аннотация {{type}}] password_label = Введите пароль, чтобы открыть этот PDF-файл. password_invalid = Неверный пароль. Пожалуйста, попробуйте снова. @@ -106,4 +108,4 @@ password_cancel = Отмена printing_not_supported = Предупреждение: В этом браузере не полностью поддерживается печать. printing_not_ready = Предупреждение: PDF не полностью загружен для печати. web_fonts_disabled = Веб-шрифты отключены: невозможно использовать встроенные PDF-шрифты. -document_colors_disabled = PDF-документам не разрешено использовать свои цвета: в браузере отключён параметр «Разрешить веб-сайтам использовать свои цвета». +document_colors_not_allowed = PDF-документам не разрешено использовать свои цвета: в браузере отключён параметр «Разрешить веб-сайтам использовать свои цвета». diff --git a/pdf.js/locale/rw/viewer.properties b/pdf.js/locale/rw/viewer.properties index 993c484..7858fe6 100644 --- a/pdf.js/locale/rw/viewer.properties +++ b/pdf.js/locale/rw/viewer.properties @@ -13,111 +13,67 @@ # limitations under the License. # Main toolbar buttons (tooltips and alt text for images) -previous.title=Previous Page -previous_label=Previous -next.title=Next Page -next_label=Next # LOCALIZATION NOTE (page_label, page_of): # These strings are concatenated to form the "Page: X of Y" string. # Do not translate "{{pageCount}}", it will be substituted with a number # representing the total number of pages. -page_label=Page: -page_of=of {{pageCount}} -zoom_out.title=Zoom Out -zoom_out_label=Zoom Out -zoom_in.title=Zoom In -zoom_in_label=Zoom In zoom.title=Ihindurangano -print.title=Print -print_label=Print -presentation_mode.title=Switch to Presentation Mode -presentation_mode_label=Presentation Mode open_file.title=Gufungura Dosiye open_file_label=Gufungura -download.title=Download -download_label=Download -bookmark.title=Current view (copy or open in new window) -bookmark_label=Current View + +# Secondary toolbar and context menu + + +# Document properties dialog box +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_title=Umutwe: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) -toggle_sidebar.title=Toggle Sidebar -toggle_sidebar_label=Toggle Sidebar -outline.title=Show Document Outline -outline_label=Document Outline -thumbs.title=Show Thumbnails -thumbs_label=Thumbnails -findbar.title=Find in Document findbar_label=Gushakisha # Thumbnails panel item (tooltip and alt text for images) # LOCALIZATION NOTE (thumb_page_title): "{{page}}" will be replaced by the page # number. -thumb_page_title=Page {{page}} # LOCALIZATION NOTE (thumb_page_canvas): "{{page}}" will be replaced by the page # number. -thumb_page_canvas=Thumbnail of Page {{page}} - -# Context menu -first_page.label=Go to First Page -last_page.label=Go to Last Page -page_rotate_cw.label=Rotate Clockwise -page_rotate_ccw.label=Rotate Counterclockwise # Find panel button title and messages find_label="Gushaka:" find_previous.title=Gushaka aho uyu murongo ugaruka mbere y'aha -find_previous_label=Previous find_next.title=Gushaka aho uyu murongo wongera kugaruka -find_next_label=Next -find_highlight=Highlight all -find_match_case_label=Match case -find_reached_top=Reached top of document, continued from bottom -find_reached_bottom=Reached end of document, continued from top find_not_found=Umurongo ntubonetse # Error panel labels -error_more_info=More Information -error_less_info=Less Information -error_close=Gufunga # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. -error_version_info=PDF.js v{{version}} (build: {{build}}) # LOCALIZATION NOTE (error_message): "{{message}}" will be replaced by an # english string describing the error. -error_message=Message: {{message}} # LOCALIZATION NOTE (error_stack): "{{stack}}" will be replaced with a stack # trace. -error_stack=Stack: {{stack}} # LOCALIZATION NOTE (error_file): "{{file}}" will be replaced with a filename -error_file=File: {{file}} # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number -error_line=Line: {{line}} -rendering_error=An error occurred while rendering the page. # Predefined zoom values -page_scale_width=Page Width -page_scale_fit=Page Fit -page_scale_auto=Automatic Zoom -page_scale_actual=Actual Size +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Ikosa -loading_error=An error occurred while loading the PDF. -invalid_file_error=Invalid or corrupted PDF file. -missing_file_error=Missing PDF file. -# LOCALIZATION NOTE (text_annotation_type): This is used as a tooltip. +# LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" -text_annotation_type=[{{type}} Annotation] -request_password=PDF is protected by a password: +password_invalid=Ijambo ry'ibanga ridahari. Wakongera ukagerageza +password_ok=YEGO +password_cancel=Kureka -printing_not_supported=Warning: Printing is not fully supported by this browser. -printing_not_ready=Warning: The PDF is not fully loaded for printing. -web_fonts_disabled=Web fonts are disabled: unable to use embedded PDF fonts. -web_colors_disabled=Web colors are disabled. diff --git a/pdf.js/locale/sah/viewer.properties b/pdf.js/locale/sah/viewer.properties index 49d1f49..d0e0861 100644 --- a/pdf.js/locale/sah/viewer.properties +++ b/pdf.js/locale/sah/viewer.properties @@ -42,10 +42,50 @@ bookmark.title=Билиҥҥи көстүүтэ (хатылаа эбэтэр са bookmark_label=Билиҥҥи көстүүтэ # Secondary toolbar and context menu +tools.title=Тэриллэр +tools_label=Тэриллэр +first_page.title=Бастакы сирэйгэ көс +first_page.label=Бастакы сирэйгэ көс +first_page_label=Бастакы сирэйгэ көс +last_page.title=Тиһэх сирэйгэ көс +last_page.label=Тиһэх сирэйгэ көс +last_page_label=Тиһэх сирэйгэ көс +page_rotate_cw.title=Чаһы хоту эргит +page_rotate_cw.label=Чаһы хоту эргит +page_rotate_cw_label=Чаһы хоту эргит +page_rotate_ccw.title=Чаһы утары эргит +page_rotate_ccw.label=Чаһы утары эргит +page_rotate_ccw_label=Чаһы утары эргит +hand_tool_enable.title=«Илии» диэн тэрили холбоо +hand_tool_enable_label=«Илии» диэн тэрили холбоо +hand_tool_disable.title=«Илии» диэн тэрили араар +hand_tool_disable_label=«Илии» диэн тэрили араар # Document properties dialog box +document_properties.title=Докумуон туруоруулара... +document_properties_label=Докумуон туруоруулара...\u0020 +document_properties_file_name=Билэ аата: +document_properties_file_size=Билэ кээмэйэ: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +document_properties_kb={{size_kb}} КБ ({{size_b}} баайт) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} МБ ({{size_b}} баайт) document_properties_title=Баһа: +document_properties_author=Ааптар: +document_properties_subject=Тиэмэ: +document_properties_keywords=Күлүүс тыл: +document_properties_creation_date=Оҥоһуллубут кэмэ: +document_properties_modification_date=Уларытыллыбыт кэмэ: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. +document_properties_date_string={{date}}, {{time}} +document_properties_producer=PDF оҥорооччу: +document_properties_version=PDF барыла: +document_properties_page_count=Сирэй ахсаана: +document_properties_close=Сап # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -54,6 +94,8 @@ toggle_sidebar.title=Ойоҕос хапталы арый/сап toggle_sidebar_label=Ойоҕос хапталы арый/сап outline.title=Дөкүмүөн иһинээҕитин көрдөр outline_label=Дөкүмүөн иһинээҕитэ +attachments.title=Кыбытыктары көрдөр +attachments_label=Кыбытык thumbs.title=Ойуучааннары көрдөр thumbs_label=Ойуучааннар findbar.title=Дөкүмүөнтэн бул @@ -82,6 +124,7 @@ find_not_found=Этии көстүбэтэ # Error panel labels error_more_info=Сиһилии error_less_info=Сиһилиитин кистээ +error_close=Сап # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. error_version_info=PDF.js v{{version}} (хомуйуута: {{build}}) @@ -102,21 +145,27 @@ page_scale_width=Сирэй кэтитинэн page_scale_fit=Сирэй кээмэйинэн page_scale_auto=Аптамаатынан page_scale_actual=Дьиҥнээх кээмэйэ +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Алҕас loading_error=PDF-билэни хачайдыырга алҕас таҕыста. invalid_file_error=Туох эрэ алҕастаах эбэтэр алдьаммыт PDF-билэ. missing_file_error=PDF-билэ суох. +unexpected_response_error=Сиэрбэр хоруйдаабат. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" text_annotation_type.alt=[{{type}} туһунан] +password_label=Бу PDF-билэни арыйарга көмүскэл тылы киллэриэхтээхин. +password_invalid=Киирии тыл алҕастаах. Бука диэн, хатылаан көр. +password_ok=СӨП password_cancel=Салҕаама printing_not_supported=Сэрэтии: Бу браузер бэчээттиири толору өйөөбөт. printing_not_ready=Сэрэтии: PDF бэчээттииргэ толору хачайдана илик. web_fonts_disabled=Ситим-бичиктэр араарыллыахтара: PDF бичиктэрэ кыайан көстүбэттэр. -document_colors_disabled=PDF-дөкүмүөүннэргэ бэйэлэрин өҥнөрүн туттар көҥүллэммэтэ: "Ситим-сирдэр бэйэлэрин өҥнөрүн тутталларын көҥүллүүргэ" диэн браузерга арахса сылдьар эбит. +document_colors_not_allowed=PDF-дөкүмүөүннэргэ бэйэлэрин өҥнөрүн туттар көҥүллэммэтэ: "Ситим-сирдэр бэйэлэрин өҥнөрүн тутталларын көҥүллүүргэ" диэн браузерга арахса сылдьар эбит. diff --git a/pdf.js/locale/si/viewer.properties b/pdf.js/locale/si/viewer.properties index 84e5c89..80cae85 100644 --- a/pdf.js/locale/si/viewer.properties +++ b/pdf.js/locale/si/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=ලේඛන වත්කම්... document_properties_label=ලේඛන වත්කම්... document_properties_file_name=ගොනු නම: document_properties_file_size=ගොනු ප්‍රමාණය: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} බයිට) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} බයිට) document_properties_title=සිරස්තලය: document_properties_author=කතෲ @@ -75,6 +79,8 @@ document_properties_subject=මාතෘකාව: document_properties_keywords=යතුරු වදන්: document_properties_creation_date=නිර්මිත දිනය: document_properties_modification_date=වෙනස්කල දිනය: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=නිර්මාපක: document_properties_producer=PDF නිශ්පාදක: @@ -140,12 +146,16 @@ page_scale_width=පිටුවේ පළල page_scale_fit=පිටුවට සුදුසු ලෙස page_scale_auto=ස්වයංක්‍රීය විශාලණය page_scale_actual=නියමිත ප්‍රමාණය +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=දෝෂය loading_error=PDF පූරණය විමේදි දෝෂයක් හට ගැනුණි. invalid_file_error=දූශිත හෝ සාවද්‍ය PDF ගොනුව. missing_file_error=නැතිවූ PDF ගොනුව. +unexpected_response_error=බලාපොරොත්තු නොවූ සේවාදායක ප්‍රතිචාරය. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in diff --git a/pdf.js/locale/sk/viewer.properties b/pdf.js/locale/sk/viewer.properties index 13da450..a410e56 100644 --- a/pdf.js/locale/sk/viewer.properties +++ b/pdf.js/locale/sk/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Vlastnosti dokumentu… document_properties_label=Vlastnosti dokumentu… document_properties_file_name=Názov súboru: document_properties_file_size=Veľkosť súboru: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} kB ({{size_b}} bajtov) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bajtov) document_properties_title=Názov: document_properties_author=Autor: @@ -75,6 +79,8 @@ document_properties_subject=Predmet: document_properties_keywords=Kľúčové slová: document_properties_creation_date=Dátum vytvorenia: document_properties_modification_date=Dátum úpravy: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Vytvoril: document_properties_producer=Tvorca PDF: @@ -140,12 +146,16 @@ page_scale_width=Na šírku strany page_scale_fit=Na veľkosť strany page_scale_auto=Automatická veľkosť page_scale_actual=Skutočná veľkosť +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Chyba loading_error=Počas načítavania dokumentu PDF sa vyskytla chyba. invalid_file_error=Neplatný alebo poškodený súbor PDF. missing_file_error=Chýbajúci súbor PDF. +unexpected_response_error=Neočakávaná odpoveď zo servera. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in diff --git a/pdf.js/locale/sl/viewer.properties b/pdf.js/locale/sl/viewer.properties index 5e09107..047c0f9 100644 --- a/pdf.js/locale/sl/viewer.properties +++ b/pdf.js/locale/sl/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Lastnosti dokumenta … document_properties_label=Lastnosti dokumenta … document_properties_file_name=Ime datoteke: document_properties_file_size=Velikost datoteke: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bajtov) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bajtov) document_properties_title=Ime: document_properties_author=Avtor: @@ -75,6 +79,8 @@ document_properties_subject=Tema: document_properties_keywords=Ključne besede: document_properties_creation_date=Datum nastanka: document_properties_modification_date=Datum spremembe: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Ustvaril: document_properties_producer=Izdelovalec PDF: @@ -120,8 +126,8 @@ find_not_found=Iskanega ni mogoče najti error_more_info=Več informacij error_less_info=Manj informacij error_close=Zapri -# LOCALIZATION NOTE (error_build): "{{build}}" will be replaced by the PDF.JS -# build ID. +# LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be +# replaced by the PDF.JS version and build ID. error_version_info=PDF.js r{{version}} (graditev: {{build}}) # LOCALIZATION NOTE (error_message): "{{message}}" will be replaced by an # english string describing the error. @@ -140,12 +146,16 @@ page_scale_width=Širina strani page_scale_fit=Prilagodi stran page_scale_auto=Samodejno page_scale_actual=Dejanska velikost +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}} % # Loading indicator messages loading_error_indicator=Napaka loading_error=Med nalaganjem datoteke PDF je prišlo do napake. invalid_file_error=Neveljavna ali pokvarjena datoteka PDF. missing_file_error=Ni datoteke PDF. +unexpected_response_error=Nepričakovan odgovor strežnika. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in diff --git a/pdf.js/locale/son/viewer.properties b/pdf.js/locale/son/viewer.properties index 54a6d26..c7742e4 100644 --- a/pdf.js/locale/son/viewer.properties +++ b/pdf.js/locale/son/viewer.properties @@ -67,14 +67,20 @@ document_properties.title=Takadda mayrawey… document_properties_label=Takadda mayrawey… document_properties_file_name=Tuku maa: document_properties_file_size=Tuku adadu: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb=KB {{size_kb}} (cebsu-ize {{size_b}}) -document_properties_mb=MB {{size_kb}} (cebsu-ize {{size_b}}) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb=MB {{size_mb}} (cebsu-ize {{size_b}}) document_properties_title=Tiiramaa: document_properties_author=Hantumkaw: document_properties_subject=Dalil: document_properties_keywords=Kufalkalimawey: document_properties_creation_date=Teeyan han: document_properties_modification_date=Barmayan han: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Teekaw: document_properties_producer=PDF berandikaw: @@ -140,12 +146,16 @@ page_scale_width=Mooo hayyan page_scale_fit=Moo sawayan page_scale_auto=Boŋše azzaati barmayyan page_scale_actual=Adadu cimi +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Firka loading_error=Firka bangay kaŋ PDF goo ma zumandi. invalid_file_error=PDF tuku laala wala laybante. missing_file_error=PDF tuku kumante. +unexpected_response_error=Manti feršikaw tuuruyan maatante. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Naŋ printing_not_supported=Yaamar: Karyan ši tee ka timme nda ceecikaa woo. printing_not_ready=Yaamar: PDF ši zunbu ka timme karyan še. web_fonts_disabled=Interneti šigirawey kay: ši hin ka goy nda PDF šigira hurantey. -document_colors_disabled=PDF takaddawey ši duu fondo ka ngey boŋ noonawey zaa: 'Naŋ moɲey ma ngey boŋ noonawey suuba' ši dira ceecikaa ga. +document_colors_not_allowed=PDF takaddawey ši duu fondo ka ngey boŋ noonawey zaa: 'Naŋ moɲey ma ngey boŋ noonawey suuba' ši dira ceecikaa ga. diff --git a/pdf.js/locale/sq/viewer.properties b/pdf.js/locale/sq/viewer.properties index 79cd381..68ab16b 100644 --- a/pdf.js/locale/sq/viewer.properties +++ b/pdf.js/locale/sq/viewer.properties @@ -15,12 +15,12 @@ next_label=Pasuesja page_label=Faqja: page_of=nga {{pageCount}} -zoom_out.title=Zoom Out -zoom_out_label=Zoom Out -zoom_in.title=Zoom In -zoom_in_label=Zoom In +zoom_out.title=Zmadhim +zoom_out_label=Zmadhoji +zoom_in.title=Zvogëlim +zoom_in_label=Zvogëloji zoom.title=Zoom -print.title=Shtype +print.title=Shtypje print_label=Shtypeni presentation_mode.title=Kalo te Mënyra Paraqitje presentation_mode_label=Mënyra Paraqitje @@ -137,6 +137,9 @@ page_scale_width=Gjerësi Faqeje page_scale_fit=Sa Nxë Faqja page_scale_auto=Zoom i Vetvetishëm page_scale_actual=Madhësia Faktike +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages # LOCALIZATION NOTE (error_line): "{{[percent}}" will be replaced with a percentage @@ -144,6 +147,7 @@ loading_error_indicator=Gabim loading_error=Ndodhi një gabim gjatë ngarkimit të PDF-së. invalid_file_error=Kartelë PDF e pavlefshme ose e dëmtuar. missing_file_error=Kartelë PDF që mungon. +unexpected_response_error=Përgjigje shërbyesi e papritur. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in diff --git a/pdf.js/locale/sr/viewer.properties b/pdf.js/locale/sr/viewer.properties index f91a33b..185496b 100644 --- a/pdf.js/locale/sr/viewer.properties +++ b/pdf.js/locale/sr/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Параметри документа… document_properties_label=Параметри документа… document_properties_file_name=Име датотеке: document_properties_file_size=Величина датотеке: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} B) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} B) document_properties_title=Наслов: document_properties_author=Аутор: @@ -75,6 +79,8 @@ document_properties_subject=Тема: document_properties_keywords=Кључне речи: document_properties_creation_date=Датум креирања: document_properties_modification_date=Датум модификације: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Стваралац: document_properties_producer=PDF произвођач: @@ -140,19 +146,23 @@ page_scale_width=Ширина странице page_scale_fit=Уклапање странице page_scale_auto=Аутоматско увеличавање page_scale_actual=Стварна величина +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Грешка -loading_error=Дошло је до грешке приликом учитавање PDF. +loading_error=Дошло је до грешке приликом учитавања PDF-а. invalid_file_error=PDF датотека је оштећена или је неисправна. missing_file_error=PDF датотека није пронађена. +unexpected_response_error=Неочекиван одговор од сервера. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" text_annotation_type.alt=[{{type}} коментар] -password_label=_Унесите лозинку да бисте отворили овај PDF докуменат. +password_label=Унесите лозинку да бисте отворили овај PDF докуменат. password_invalid=Неисправна лозинка. Покушајте поново. password_ok=У реду password_cancel=Откажи @@ -160,4 +170,4 @@ password_cancel=Откажи printing_not_supported=Упозорење: Штампање није у потпуности подржано у овом прегледачу. printing_not_ready=Упозорење: PDF није у потпуности учитан за штампу. web_fonts_disabled=Веб фонтови су онемогућени: не могу користити уграђене PDF фонтове. -document_colors_disabled=PDF документи не могу да користе сопствене боје: “Дозволи страницама да одаберу своје боје” је деактивирано у прегледачу. +document_colors_not_allowed=PDF документи не могу да користе сопствене боје: “Дозволи страницама да изаберу своје боје” је деактивирано у прегледачу. diff --git a/pdf.js/locale/sv-SE/viewer.properties b/pdf.js/locale/sv-SE/viewer.properties index a88edbd..97be61d 100644 --- a/pdf.js/locale/sv-SE/viewer.properties +++ b/pdf.js/locale/sv-SE/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Dokumentegenskaper… document_properties_label=Dokumentegenskaper… document_properties_file_name=Filnamn: document_properties_file_size=Filstorlek: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} kB ({{size_b}} byte) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} byte) document_properties_title=Titel: document_properties_author=Författare: @@ -75,6 +79,8 @@ document_properties_subject=Ämne: document_properties_keywords=Nyckelord: document_properties_creation_date=Skapades: document_properties_modification_date=Ändrades: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Skapare: document_properties_producer=PDF-producent: @@ -140,12 +146,16 @@ page_scale_width=Sidbredd page_scale_fit=Anpassa sida page_scale_auto=Automatisk zoom page_scale_actual=Verklig storlek +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Fel loading_error=Ett fel uppstod vid laddning av PDF-filen. invalid_file_error=Ogiltig eller korrupt PDF-fil. missing_file_error=Saknad PDF-fil. +unexpected_response_error=Oväntat svar från servern. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Avbryt printing_not_supported=Varning: Utskrifter stöds inte helt av den här webbläsaren. printing_not_ready=Varning: PDF:en är inte klar för utskrift. web_fonts_disabled=Webbtypsnitt är inaktiverade: kan inte använda inbäddade PDF-typsnitt. -document_colors_disabled=PDF-dokument tillåts inte använda egna färger: 'Låt sidor använda egna färger' är inaktiverat i webbläsaren. +document_colors_not_allowed=PDF-dokument tillåts inte använda egna färger: 'Låt sidor använda egna färger' är inaktiverat i webbläsaren. diff --git a/pdf.js/locale/sw/viewer.properties b/pdf.js/locale/sw/viewer.properties index 8f9f7dd..7f0f1b8 100644 --- a/pdf.js/locale/sw/viewer.properties +++ b/pdf.js/locale/sw/viewer.properties @@ -45,7 +45,13 @@ bookmark_label=Mwonekano wa Sasa # Document properties dialog box +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_title=Kichwa: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -102,6 +108,8 @@ page_scale_width=Upana wa Ukurasa page_scale_fit=Usawa wa Ukurasa page_scale_auto=Ukuzaji wa Kiotomatiki page_scale_actual=Ukubwa Halisi +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Hitilafu diff --git a/pdf.js/locale/ta-LK/viewer.properties b/pdf.js/locale/ta-LK/viewer.properties index 77c9f4f..178b619 100644 --- a/pdf.js/locale/ta-LK/viewer.properties +++ b/pdf.js/locale/ta-LK/viewer.properties @@ -27,6 +27,12 @@ open_file_label=திறக்க # Document properties dialog box +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -53,6 +59,8 @@ find_next.title=இந்த சொற்றொடரின் அடுத் # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number # Predefined zoom values +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages diff --git a/pdf.js/locale/ta/viewer.properties b/pdf.js/locale/ta/viewer.properties index 8643a68..b0d40f1 100644 --- a/pdf.js/locale/ta/viewer.properties +++ b/pdf.js/locale/ta/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=ஆவண பண்புகள்... document_properties_label=ஆவண பண்புகள்... document_properties_file_name=கோப்பு பெயர்: document_properties_file_size=கோப்பின் அளவு: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} கிபை ({{size_b}} பைட்டுகள்) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} மெபை ({{size_b}} பைட்டுகள்) document_properties_title=தலைப்பு: document_properties_author=எழுதியவர் @@ -75,6 +79,8 @@ document_properties_subject=பொருள்: document_properties_keywords=முக்கிய வார்த்தைகள்: document_properties_creation_date=படைத்த தேதி : document_properties_modification_date=திருத்திய தேதி: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=உருவாக்குபவர்: document_properties_producer=பிடிஎஃப் தயாரிப்பாளர்: @@ -140,12 +146,16 @@ page_scale_width=பக்க அகலம் page_scale_fit=பக்கப் பொருத்தம் page_scale_auto=தானியக்க பெரிதாக்கல் page_scale_actual=உண்மையான அளவு +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=பிழை loading_error=PDF ஐ ஏற்றும் போது ஒரு பிழை ஏற்பட்டது. invalid_file_error=செல்லுபடியாகாத அல்லது சிதைந்த PDF கோப்பு. missing_file_error=PDF கோப்பு காணவில்லை. +unexpected_response_error=சேவகன் பதில் எதிர்பாரதது. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=இரத்து printing_not_supported=எச்சரிக்கை: இந்த உலாவி அச்சிடுதலை முழுமையாக ஆதரிக்கவில்லை. printing_not_ready=எச்சரிக்கை: PDF அச்சிட முழுவதுமாக ஏற்றப்படவில்லை. web_fonts_disabled=வலை எழுத்துருக்கள் முடக்கப்பட்டுள்ளன: உட்பொதிக்கப்பட்ட PDF எழுத்துருக்களைப் பயன்படுத்த முடியவில்லை. -document_colors_disabled=PDF ஆவணங்களுக்கு அவற்றின் சொந்த நிறங்களைப் பயன்படுத்த அனுமதியில்லை: உலாவியில் 'பக்கங்கள் தங்கள் சொந்த நிறங்களைத் தேர்வு செய்துகொள்ள அனுமதி' என்னும் விருப்பம் முடக்கப்பட்டுள்ளது. +document_colors_not_allowed=PDF ஆவணங்களுக்கு அவற்றின் சொந்த நிறங்களைப் பயன்படுத்த அனுமதியில்லை: உலாவியில் 'பக்கங்கள் தங்கள் சொந்த நிறங்களைத் தேர்வு செய்துகொள்ள அனுமதி' என்னும் விருப்பம் முடக்கப்பட்டுள்ளது. diff --git a/pdf.js/locale/te/viewer.properties b/pdf.js/locale/te/viewer.properties index da549f6..e08d5e7 100644 --- a/pdf.js/locale/te/viewer.properties +++ b/pdf.js/locale/te/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=పత్రము లక్షణాలు... document_properties_label=పత్రము లక్షణాలు... document_properties_file_name=దస్త్రం పేరు: document_properties_file_size=దస్త్రం పరిమాణం: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=శీర్షిక: document_properties_author=మూలకర్త: @@ -75,6 +79,8 @@ document_properties_subject=విషయం: document_properties_keywords=కీపదాలు: document_properties_creation_date=సృష్టించిన తేదీ: document_properties_modification_date=సవరించిన తేదీ: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=సృష్టికర్త: document_properties_producer=PDF ఉత్పాదకి: @@ -140,12 +146,16 @@ page_scale_width=పేజీ వెడల్పు page_scale_fit=పేజీ అమర్పు page_scale_auto=స్వయంచాలక జూమ్ page_scale_actual=యథార్ధ పరిమాణం +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=దోషం loading_error=PDF లోడవుచున్నప్పుడు వొక దోషం యెదురైంది. invalid_file_error=చెల్లని లేదా పాడైన PDF ఫైలు. missing_file_error=దొరకని PDF ఫైలు. +unexpected_response_error=అనుకోని సేవిక స్పందన. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=రద్దుచేయి printing_not_supported=హెచ్చరిక: ఈ విహారిణి చేత ముద్రణ పూర్తిగా తోడ్పాటునీయబడుట లేదు printing_not_ready=హెచ్చరిక: ముద్రణ కొరకు ఈ PDF పూర్తిగా లోడవలేదు. web_fonts_disabled=వెబ్ ఫాంట్లు అచేతనపరచ బడెను: ఎంబెడెడ్ PDF ఫాంట్లు వుపయోగించలేక పోయింది. -document_colors_disabled=PDF పత్రాలు వాటి స్వంత రంగులను వుపయోగించుకొనుటకు అనుమతించబడవు: విహరణి నందు 'పేజీలను వాటి స్వంత రంగులను యెంచుకొనుటకు అనుమతించు' అనునది అచేతనం చేయబడివుంది. +document_colors_not_allowed=PDF పత్రాలు వాటి స్వంత రంగులను వుపయోగించుకొనుటకు అనుమతించబడవు: విహరణి నందు 'పేజీలను వాటి స్వంత రంగులను యెంచుకొనుటకు అనుమతించు' అనునది అచేతనం చేయబడివుంది. diff --git a/pdf.js/locale/th/viewer.properties b/pdf.js/locale/th/viewer.properties index eae7496..151e6b8 100644 --- a/pdf.js/locale/th/viewer.properties +++ b/pdf.js/locale/th/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=คุณสมบัติเอกสาร… document_properties_label=คุณสมบัติเอกสาร… document_properties_file_name=ชื่อแฟ้ม : document_properties_file_size=ขนาดแฟ้ม : +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} กิโลไบต์ ({{size_b}} ไบต์) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} เมกะไบต์ ({{size_b}} ไบต์) document_properties_title=หัวเรื่อง : document_properties_author=ผู้แต่ง : @@ -75,6 +79,8 @@ document_properties_subject=หัวข้อ : document_properties_keywords=คำสำคัญ : document_properties_creation_date=วันที่สร้าง : document_properties_modification_date=วันที่แก้ไข : +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=สร้างโดย : document_properties_producer=ผู้ผลิต PDF : @@ -140,12 +146,16 @@ page_scale_width=ความกว้างหน้า page_scale_fit=พอดีหน้า page_scale_auto=ย่อ-ขยายอัตโนมัติ page_scale_actual=ขนาดเท่าจริง +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=ข้อผิดพลาด loading_error=เกิดข้อผิดพลาดขณะกำลังโหลด PDF invalid_file_error=แฟ้ม PDF ไม่ถูกต้องหรือไม่สมบูรณ์ missing_file_error=แฟ้ม PDF หาย +unexpected_response_error=การตอบสนองเซิร์ฟเวอร์ที่ไม่คาดหวัง # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -157,7 +167,7 @@ password_invalid=รหัสผ่านไม่ถูกต้อง โป password_ok=ตกลง password_cancel=ยกเลิก -printing_not_supported=คำเตือน: เบราเซอร์นี้ไม่ได้สนับสนุนการพิมพ์อย่างเต็มที่ +printing_not_supported=คำเตือน: เบราว์เซอร์นี้ไม่ได้สนับสนุนการพิมพ์อย่างเต็มที่ printing_not_ready=คำเตือน: PDF ไม่ได้รับการโหลดอย่างเต็มที่สำหรับการพิมพ์ web_fonts_disabled=แบบอักษรเว็บถูกปิดการใช้งาน: ไม่สามารถใช้แบบอักษรฝังตัวใน PDF -document_colors_disabled=เอกสาร PDF ไม่ได้รับอนุญาตให้ใช้สีของตัวเอง: 'อนุญาตให้หน้าเอกสารสามารถเลือกสีของตัวเอง' ถูกปิดใช้งานในเบราเซอร์ +document_colors_not_allowed=เอกสาร PDF ไม่ได้รับอนุญาตให้ใช้สีของตัวเอง: 'อนุญาตให้หน้าเอกสารสามารถเลือกสีของตัวเอง' ถูกปิดใช้งานในเบราว์เซอร์ diff --git a/pdf.js/locale/tl/viewer.properties b/pdf.js/locale/tl/viewer.properties index 07d86eb..e83cc87 100644 --- a/pdf.js/locale/tl/viewer.properties +++ b/pdf.js/locale/tl/viewer.properties @@ -21,7 +21,7 @@ next.title=Sunod na Pahina # Do not translate "{{pageCount}}", it will be substituted with a number # representing the total number of pages. page_label=Pahina: -page_of=ng {{bilangngPahina}} +page_of=ng {{pageCount}} open_file.title=Magbukas ng file open_file_label=Buksan @@ -29,10 +29,18 @@ bookmark.title=Kasalukuyang tingin (kopyahin o buksan sa bagong window) bookmark_label=Kasalukuyang tingin # Secondary toolbar and context menu +tools.title=Mga Tool +tools_label=Mga Tool # Document properties dialog box +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_title=Pamagat: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -45,12 +53,13 @@ findbar_label=Hanapin # Thumbnails panel item (tooltip and alt text for images) # LOCALIZATION NOTE (thumb_page_title): "{{page}}" will be replaced by the page # number. -thumb_page_title=Pahina {{pahina}} +thumb_page_title=Pahina {{page}} # LOCALIZATION NOTE (thumb_page_canvas): "{{page}}" will be replaced by the page # number. -thumb_page_canvas=Thumbnail ng Pahina {{pahina}} +thumb_page_canvas=Thumbnail ng Pahina {{page}} # Find panel button title and messages +find_highlight=I-highlight lahat # Error panel labels error_more_info=Maraming Inpormasyon @@ -64,13 +73,15 @@ error_message=Mensahe: {{message}} # trace. # LOCALIZATION NOTE (error_file): "{{file}}" will be replaced with a filename # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number -error_line=Linya: { { linya } } +error_line=Linya: {{line}} rendering_error=May naganap na pagkakamali habang pagsasalin sa pahina. # Predefined zoom values page_scale_width=Haba ng Pahina page_scale_fit=ang pahina ay angkop page_scale_auto=awtomatikong pag-imbulog +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error=May maling nangyari habang kinakarga ang PDF. diff --git a/pdf.js/locale/tn/viewer.properties b/pdf.js/locale/tn/viewer.properties index 805a688..3c9b503 100644 --- a/pdf.js/locale/tn/viewer.properties +++ b/pdf.js/locale/tn/viewer.properties @@ -26,10 +26,18 @@ open_file_label=Bula # Secondary toolbar and context menu +hand_tool_disable.title=Thibela go dira ga sediriswa sa seatla +hand_tool_disable_label=Thibela go dira ga sediriswa sa seatla # Document properties dialog box document_properties_file_name=Leina la faele: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_title=Leina: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -59,6 +67,8 @@ error_more_info=Tshedimosetso e Nngwe # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number # Predefined zoom values +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Phoso @@ -70,3 +80,4 @@ loading_error_indicator=Phoso password_ok=Siame password_cancel=Khansela +web_fonts_disabled=Mefutatlhaka ya Webo ga e dire: ga e kgone go dirisa mofutatlhaka wa PDF o tsentsweng. diff --git a/pdf.js/locale/tr/viewer.properties b/pdf.js/locale/tr/viewer.properties index 6eefe27..19b4773 100644 --- a/pdf.js/locale/tr/viewer.properties +++ b/pdf.js/locale/tr/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Belge özellikleri… document_properties_label=Belge özellikleri… document_properties_file_name=Dosya adı: document_properties_file_size=Dosya boyutu: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bayt) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bayt) document_properties_title=Başlık: document_properties_author=Yazar: @@ -75,6 +79,8 @@ document_properties_subject=Konu: document_properties_keywords=Anahtar kelimeler: document_properties_creation_date=Oluturma tarihi: document_properties_modification_date=Değiştirme tarihi: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}} {{time}} document_properties_creator=Oluşturan: document_properties_producer=PDF üreticisi: @@ -117,7 +123,7 @@ find_reached_bottom=Belgenin sonuna ulaşıldı, başından devam edildi find_not_found=Eşleşme bulunamadı # Error panel labels -error_more_info=Daha fazla bilgi +error_more_info=Daha fazla bilgi al error_less_info=Daha az bilgi error_close=Kapat # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be @@ -140,12 +146,16 @@ page_scale_width=Sayfa genişliği page_scale_fit=Sayfayı sığdır page_scale_auto=Otomatik yakınlaştır page_scale_actual=Gerçek boyut +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent=%{{scale}} # Loading indicator messages loading_error_indicator=Hata loading_error=PDF yüklenirken bir hata oluştu. invalid_file_error=Geçersiz veya bozulmuş PDF dosyası. missing_file_error=PDF dosyası eksik. +unexpected_response_error=Beklenmeyen sunucu yanıtı. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=İptal printing_not_supported=Uyarı: Yazdırma bu tarayıcı tarafından tam olarak desteklenmemektedir. printing_not_ready=Uyarı: PDF tamamen yüklenmedi ve yazdırmaya hazır değil. web_fonts_disabled=Web fontları devre dışı: Gömülü PDF fontları kullanılamıyor. -document_colors_disabled=PDF belgelerinin kendi renklerini kullanması için izin verilmiyor: 'Sayfalara kendi renklerini seçmesi için izin ver' tarayıcıda etkinleştirilmemiş. +document_colors_not_allowed=PDF belgelerinin kendi renklerini kullanması için izin verilmiyor: 'Sayfalara kendi renklerini seçmesi için izin ver' tarayıcıda etkinleştirilmemiş. diff --git a/pdf.js/locale/uk/viewer.properties b/pdf.js/locale/uk/viewer.properties index 6bfcc76..f899197 100644 --- a/pdf.js/locale/uk/viewer.properties +++ b/pdf.js/locale/uk/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Властивості документа… document_properties_label=Властивості документа… document_properties_file_name=Назва файла: document_properties_file_size=Розмір файла: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} КБ ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} МБ ({{size_b}} bytes) document_properties_title=Заголовок: document_properties_author=Автор: @@ -75,6 +79,8 @@ document_properties_subject=Тема: document_properties_keywords=Ключові слова: document_properties_creation_date=Дата створення: document_properties_modification_date=Дата зміни: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Створено: document_properties_producer=Виробник PDF: @@ -85,7 +91,7 @@ document_properties_close=Закрити # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) -toggle_sidebar.title=Перемкнути бічну панель +toggle_sidebar.title=Бічна панель toggle_sidebar_label=Перемкнути бічну панель outline.title=Показувати схему документа outline_label=Схема документа @@ -133,19 +139,23 @@ error_stack=Стек: {{stack}} error_file=Файл: {{file}} # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number error_line=Рядок: {{line}} -rendering_error=Під час рендеру сторінки сталась помилка. +rendering_error=Під час виведення сторінки сталася помилка. # Predefined zoom values page_scale_width=За шириною page_scale_fit=Умістити page_scale_auto=Авто-масштаб page_scale_actual=Дійсний розмір +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Помилка -loading_error=Під час завантаження PDF сталась помилка. +loading_error=Під час завантаження PDF сталася помилка. invalid_file_error=Недійсний або пошкоджений PDF-файл. missing_file_error=Відсутній PDF-файл. +unexpected_response_error=Неочікувана відповідь сервера. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Скасувати printing_not_supported=Попередження: Цей браузер не повністю підтримує друк. printing_not_ready=Попередження: PDF не повністю завантажений для друку. web_fonts_disabled=Веб-шрифти вимкнено: неможливо використати вбудовані у PDF шрифти. -document_colors_disabled=PDF-документам не дозволено використовувати свої власні кольори: в браузері вимкнено «Дозволити сторінкам використовувати свої власні кольори». +document_colors_not_allowed=PDF-документам не дозволено використовувати власні кольори: в браузері вимкнено параметр «Дозволити сторінкам використовувати власні кольори». diff --git a/pdf.js/locale/ur/viewer.properties b/pdf.js/locale/ur/viewer.properties index c52220f..4551f63 100644 --- a/pdf.js/locale/ur/viewer.properties +++ b/pdf.js/locale/ur/viewer.properties @@ -59,15 +59,19 @@ page_rotate_ccw_label=ضد گھڑی وار گھمائیں hand_tool_enable.title=ہاتھ ٹول اہل بنائیں hand_tool_enable_label=ہاتھ ٹول اہل بنائیں -hand_tool_disable.title=ہاتھ ٹول nنااہل بنائیں +hand_tool_disable.title=ہاتھ ٹول nنااہل بنائیں\u0020 hand_tool_disable_label=ہاتھ ٹول نااہل بنائیں # Document properties dialog box document_properties.title=دستاویز خواص… -document_properties_label=دستاویز خواص… +document_properties_label=دستاویز خواص…\u0020 document_properties_file_name=نام مسل: document_properties_file_size=مسل سائز: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} bytes) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} bytes) document_properties_title=عنوان: document_properties_author=تخلیق کار: @@ -75,6 +79,8 @@ document_properties_subject=موضوع: document_properties_keywords=کلیدی الفاظ: document_properties_creation_date=تخلیق کی تاریخ: document_properties_modification_date=ترمیم کی تاریخ: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}، {{time}} document_properties_creator=تخلیق کار: document_properties_producer=PDF پیدا کار: @@ -89,6 +95,8 @@ toggle_sidebar.title=سلائیڈ ٹوگل کریں toggle_sidebar_label=سلائیڈ ٹوگل کریں outline.title=دستاویز آؤٹ لائن دکھائیں outline_label=دستاویز آؤٹ لائن +attachments.title=منسلکات دکھائیں +attachments_label=منسلکات thumbs.title=تھمبنیل دکھائیں thumbs_label=مجمل findbar.title=دستاویز میں ڈھونڈیں @@ -138,12 +146,16 @@ page_scale_width=صفحہ چوڑائی page_scale_fit=صفحہ فٹنگ page_scale_auto=خودکار زوم page_scale_actual=اصل سائز +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=نقص loading_error=PDF لوڈ کرتے وقت نقص آ گیا۔ invalid_file_error=ناجائز یا خراب PDF مسل missing_file_error=PDF مسل غائب ہے۔ +unexpected_response_error=غیرمتوقع پیش کار جواب # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -158,4 +170,4 @@ password_cancel=منسوخ کریں printing_not_supported=تنبیہ:چھاپنا اس براؤزر پر پوری طرح معاونت شدہ نہیں ہے۔ printing_not_ready=تنبیہ: PDF چھپائی کے لیے پوری طرح لوڈ نہیں ہوئی۔ web_fonts_disabled=ویب فانٹ نا اہل ہیں: شامل PDF فانٹ استعمال کرنے میں ناکام۔ -document_colors_disabled=PDF دستاویزات کو اپنے رنگ استعمال کرنے کی اجازت نہیں: 'صفحات کو اپنے رنگ چنیں' کی اِجازت براؤزر میں بے عمل ہے۔ +document_colors_not_allowed=PDF دستاویزات کو اپنے رنگ استعمال کرنے کی اجازت نہیں: 'صفحات کو اپنے رنگ چنیں' کی اِجازت براؤزر میں بے عمل ہے۔ diff --git a/pdf.js/locale/vi/viewer.properties b/pdf.js/locale/vi/viewer.properties index 15acc8e..93a9540 100644 --- a/pdf.js/locale/vi/viewer.properties +++ b/pdf.js/locale/vi/viewer.properties @@ -23,16 +23,16 @@ next_label=Tiếp # Do not translate "{{pageCount}}", it will be substituted with a number # representing the total number of pages. page_label=Trang: -page_of=thuộc về {{pageCount}} +page_of=trên {{pageCount}} zoom_out.title=Thu nhỏ zoom_out_label=Thu nhỏ zoom_in.title=Phóng to zoom_in_label=Phóng to -zoom.title=Thu phóng +zoom.title=Chỉnh kích thước presentation_mode.title=Chuyển sang chế độ trình chiếu presentation_mode_label=Chế độ trình chiếu -open_file.title=Mở Tập Tin +open_file.title=Mở tập tin open_file_label=Mở tập tin print.title=In print_label=In @@ -43,6 +43,13 @@ bookmark_label=Chế độ xem hiện tại # Secondary toolbar and context menu tools.title=Công cụ +tools_label=Công cụ +first_page.title=Về trang đầu +first_page.label=Về trang đầu +first_page_label=Về trang đầu +last_page.title=Đến trang cuối +last_page.label=Đến trang cuối +last_page_label=Đến trang cuối page_rotate_cw.title=Xoay theo chiều kim đồng hồ page_rotate_cw.label=Xoay theo chiều kim đồng hồ page_rotate_cw_label=Xoay theo chiều kim đồng hồ @@ -50,16 +57,33 @@ page_rotate_ccw.title=Xoay ngược chiều kim đồng hồ page_rotate_ccw.label=Xoay ngược chiều kim đồng hồ page_rotate_ccw_label=Xoay ngược chiều kim đồng hồ +hand_tool_enable.title=Cho phép kéo để cuộn trang +hand_tool_enable_label=Cho phép kéo để cuộn trang +hand_tool_disable.title=Tắt kéo để cuộn trang +hand_tool_disable_label=Tắt kéo để cuộn trang # Document properties dialog box -document_properties_file_size=Kích thước tập tin: +document_properties.title=Thuộc tính của tài liệu… +document_properties_label=Thuộc tính của tài liệu… +document_properties_file_name=Tên tập tin: +document_properties_file_size=Kích thước: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +document_properties_kb={{size_kb}} KB ({{size_b}} byte) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} MB ({{size_b}} byte) document_properties_title=Tiêu đề: document_properties_author=Tác giả: document_properties_subject=Chủ đề: document_properties_keywords=Từ khóa: document_properties_creation_date=Ngày tạo: document_properties_modification_date=Ngày sửa đổi: -document_properties_producer=Nhà sản xuất PDF: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. +document_properties_date_string={{date}}, {{time}} +document_properties_creator=Người tạo: +document_properties_producer=Phần mềm tạo PDF: document_properties_version=Phiên bản PDF: document_properties_page_count=Tổng số trang: document_properties_close=Ðóng @@ -67,12 +91,14 @@ document_properties_close=Ðóng # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) -toggle_sidebar.title=Bật/Tắt Thanh Lề -toggle_sidebar_label=Bật/Tắt Thanh Lề +toggle_sidebar.title=Bật/Tắt thanh lề +toggle_sidebar_label=Bật/Tắt thanh lề outline.title=Hiển thị bản phác tài liệu -outline_label=Bản phác họa Tài liệu -thumbs.title=Hiển thị Thumbnails -thumbs_label=Thumbnails (hình biểu diễn nhỏ) +outline_label=Bản phác tài liệu +attachments.title=Hiện nội dung đính kèm +attachments_label=Nội dung đính kèm +thumbs.title=Hiển thị ảnh thu nhỏ +thumbs_label=Ảnh thu nhỏ findbar.title=Tìm trong tài liệu findbar_label=Tìm @@ -82,19 +108,19 @@ findbar_label=Tìm thumb_page_title=Trang {{page}} # LOCALIZATION NOTE (thumb_page_canvas): "{{page}}" will be replaced by the page # number. -thumb_page_canvas=Hình ảnh thu nhỏ của trang {{page}} +thumb_page_canvas=Ảnh thu nhỏ của trang {{page}} # Find panel button title and messages -find_label=Tìm kiếm: +find_label=Tìm: find_previous.title=Tìm cụm từ ở phần trước find_previous_label=Trước find_next.title=Tìm cụm từ ở phần sau find_next_label=Tiếp find_highlight=Tô sáng tất cả -find_match_case_label=Phân biệt chữ hoa, chữ thường +find_match_case_label=Phân biệt hoa, thường find_reached_top=Đã đến phần đầu tài liệu, quay trở lại từ cuối find_reached_bottom=Đã đến phần cuối của tài liệu, quay trở lại từ đầu -find_not_found=Không tìm thấy cụm từ +find_not_found=Không tìm thấy cụm từ này # Error panel labels error_more_info=Thông tin thêm @@ -110,22 +136,26 @@ error_message=Thông điệp: {{message}} # trace. error_stack=Stack: {{stack}} # LOCALIZATION NOTE (error_file): "{{file}}" will be replaced with a filename -error_file=Tệp: {{file}} +error_file=Tập tin: {{file}} # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number error_line=Dòng: {{line}} rendering_error=Lỗi khi hiển thị trang. # Predefined zoom values -page_scale_width=Chiều rộng trang -page_scale_fit=Độ vừa của trang -page_scale_auto=Tự động thu/phóng +page_scale_width=Vừa chiều rộng +page_scale_fit=Vừa chiều cao +page_scale_auto=Tự động chọn kích thước page_scale_actual=Kích thước thực +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Lỗi loading_error=Lỗi khi tải tài liệu PDF. invalid_file_error=Tập tin PDF hỏng hoặc không hợp lệ. missing_file_error=Thiếu tập tin PDF. +unexpected_response_error=Máy chủ có phản hồi lạ. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -140,4 +170,4 @@ password_cancel=Hủy bỏ printing_not_supported=Cảnh báo: In ấn không được hỗ trợ đầy đủ ở trình duyệt này. printing_not_ready=Cảnh báo: PDF chưa được tải hết để in. web_fonts_disabled=Phông chữ Web bị vô hiệu hóa: không thể sử dụng các phông chữ PDF được nhúng. -document_colors_disabled=Tài liệu PDF không được cho phép dùng màu riêng: 'Cho phép trang chọn màu riêng' đã bị tắt trên trình duyệt. +document_colors_not_allowed=Tài liệu PDF không được cho phép dùng màu riêng: 'Cho phép trang chọn màu riêng' đã bị tắt trên trình duyệt. diff --git a/pdf.js/locale/wo/viewer.properties b/pdf.js/locale/wo/viewer.properties index 94965ab..1e70845 100644 --- a/pdf.js/locale/wo/viewer.properties +++ b/pdf.js/locale/wo/viewer.properties @@ -45,7 +45,13 @@ bookmark_label=Wone bi feeñ # Document properties dialog box +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_title=Bopp: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are @@ -99,6 +105,8 @@ page_scale_width=Yaatuwaay bu mët page_scale_fit=Xët lëmm page_scale_auto=Yambalaŋ ci saa si page_scale_actual=Dayo bi am +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Njumte diff --git a/pdf.js/locale/xh/viewer.properties b/pdf.js/locale/xh/viewer.properties index 89c9e8d..db46b4c 100644 --- a/pdf.js/locale/xh/viewer.properties +++ b/pdf.js/locale/xh/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=Iipropati zoxwebhu… document_properties_label=Iipropati zoxwebhu… document_properties_file_name=Igama lefayile: document_properties_file_size=Isayizi yefayile: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB (iibhayiti{{size_b}}) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB (iibhayithi{{size_b}}) document_properties_title=Umxholo: document_properties_author=Umbhali: @@ -75,6 +79,8 @@ document_properties_subject=Umbandela: document_properties_keywords=Amagama aphambili: document_properties_creation_date=Umhla wokwenziwa kwayo: document_properties_modification_date=Umhla wokulungiswa kwayo: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=Umntu oyenzileyo: document_properties_producer=Umvelisi we-PDF: @@ -122,7 +128,7 @@ error_less_info=Inkcazelo Encinane error_close=Vala # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. -error_version_info=I-PDF.js v{{uhlelo}} (yakha: {{yakha}}) +error_version_info=I-PDF.js v{{version}} (yakha: {{build}}) # LOCALIZATION NOTE (error_message): "{{message}}" will be replaced by an # english string describing the error. error_message=Umyalezo: {{message}} @@ -140,12 +146,16 @@ page_scale_width=Ububanzi bephepha page_scale_fit=Ukulinganiswa kwephepha page_scale_auto=Ukwandisa/Ukunciphisa Ngokwayo page_scale_actual=Ubungakanani bokwenene +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=Imposiso loading_error=Imposiso yenzekile xa kulayishwa i-PDF. invalid_file_error=Ifayile ye-PDF engeyiyo okanye eyonakalisiweyo. missing_file_error=Ifayile ye-PDF edukileyo. +unexpected_response_error=Impendulo yeseva engalindelekanga. # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=Rhoxisa printing_not_supported=Isilumkiso: Ukuprinta akuxhaswa ngokupheleleyo yile bhrawuza. printing_not_ready=Isilumkiso: IPDF ayihlohlwanga ngokupheleleyo ukwenzela ukuprinta. web_fonts_disabled=Iifonti zewebhu ziqhwalelisiwe: ayikwazi ukusebenzisa iifonti ze-PDF ezincanyathelisiweyo. -document_colors_disabled=Amaxwebhu ePDF akavumelekanga ukuba asebenzise imibala yawo: 'Ukuvumela amaphepha ukuba asebenzise eyawo imibala' kuvaliwe ukuba kungasebenzi kwibhrawuza. +document_colors_not_allowed=Amaxwebhu ePDF akavumelekanga ukuba asebenzise imibala yawo: 'Ukuvumela amaphepha ukuba asebenzise eyawo imibala' kuvaliwe ukuba kungasebenzi kwibhrawuza. diff --git a/pdf.js/locale/zh-CN/viewer.properties b/pdf.js/locale/zh-CN/viewer.properties index 878c5f2..b3d0de9 100644 --- a/pdf.js/locale/zh-CN/viewer.properties +++ b/pdf.js/locale/zh-CN/viewer.properties @@ -67,7 +67,11 @@ document_properties.title=文档属性… document_properties_label=文档属性… document_properties_file_name=文件名: document_properties_file_size=文件大小: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB ({{size_b}} 字节) +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. document_properties_mb={{size_mb}} MB ({{size_b}} 字节) document_properties_title=标题: document_properties_author=作者: @@ -75,6 +79,8 @@ document_properties_subject=主题: document_properties_keywords=关键词: document_properties_creation_date=创建日期: document_properties_modification_date=修改日期: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=创建者: document_properties_producer=PDF 制作者: @@ -140,12 +146,16 @@ page_scale_width=适合页宽 page_scale_fit=适合页面 page_scale_auto=自动缩放 page_scale_actual=实际大小 +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=错误 loading_error=载入PDF时发生错误。 invalid_file_error=无效或损坏的PDF文件。 missing_file_error=缺少PDF文件。 +unexpected_response_error=意外的服务器响应。 # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -160,4 +170,4 @@ password_cancel=取消 printing_not_supported=警告：打印功能不完全支持此浏览器。 printing_not_ready=警告：该 PDF 未完全加载以供打印。 web_fonts_disabled=Web 字体已被禁用：无法使用嵌入的PDF字体。 -document_colors_disabled=不允许 PDF 文档使用自己的颜色：浏览器中“允许页面选择自己的颜色”的选项已停用。 +document_colors_not_allowed=不允许 PDF 文档使用自己的颜色：浏览器中“允许页面选择自己的颜色”的选项已停用。 diff --git a/pdf.js/locale/zh-TW/viewer.properties b/pdf.js/locale/zh-TW/viewer.properties index 80b8814..495ce10 100644 --- a/pdf.js/locale/zh-TW/viewer.properties +++ b/pdf.js/locale/zh-TW/viewer.properties @@ -67,14 +67,20 @@ document_properties.title=文件內容… document_properties_label=文件內容… document_properties_file_name=檔案名稱: document_properties_file_size=檔案大小: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. document_properties_kb={{size_kb}} KB（{{size_b}} 位元組） -document_properties_mb={{size_kb}} MB（{{size_b}} 位元組） +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_mb={{size_mb}} MB（{{size_b}} 位元組） document_properties_title=標題: document_properties_author=作者: document_properties_subject=主旨: document_properties_keywords=關鍵字: document_properties_creation_date=建立日期: document_properties_modification_date=修改日期: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. document_properties_date_string={{date}}, {{time}} document_properties_creator=建立者: document_properties_producer=PDF 產生器: @@ -140,13 +146,16 @@ page_scale_width=頁面寬度 page_scale_fit=縮放至頁面大小 page_scale_auto=自動縮放 page_scale_actual=實際大小 +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. +page_scale_percent={{scale}}% # Loading indicator messages loading_error_indicator=錯誤 loading_error=載入 PDF 時發生錯誤。 invalid_file_error=無效或毀損的 PDF 檔案。 missing_file_error=找不到 PDF 檔案。 -unexpected_response_error=伺服器傳回未預期的回應。 +unexpected_response_error=伺服器回應未預期的內容。 # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip. # "{{type}}" will be replaced with an annotation type from a list defined in @@ -161,5 +170,5 @@ password_cancel=取消 printing_not_supported=警告: 此瀏覽器未完整支援列印功能。 printing_not_ready=警告: 此 PDF 未完成下載以供列印。 web_fonts_disabled=已停用網路字型 (Web fonts): 無法使用 PDF 內嵌字型。 -document_colors_disabled=瀏覽器的「優先使用網頁指定的色彩」未被勾選，PDF 文件無法使用自己的色彩。 +document_colors_not_allowed=不允許 PDF 文件使用自訂色彩: 已停用瀏覽器的「優先使用網頁指定的色彩」設定。 diff --git a/pdf.js/locale/zu/viewer.properties b/pdf.js/locale/zu/viewer.properties index bd7a08f..2ccf70c 100644 --- a/pdf.js/locale/zu/viewer.properties +++ b/pdf.js/locale/zu/viewer.properties @@ -30,17 +30,30 @@ zoom_out_label=Hlehlisela emuva zoom_in.title=Sondeza eduze zoom_in_label=Sondeza eduze zoom.title=Lwiza -print.title=Phrinta -print_label=Phrinta presentation_mode.title=Guqulela kwindlela yesethulo presentation_mode_label=Indlelo yesethulo open_file.title=Vula ifayela open_file_label=Vula +print.title=Phrinta +print_label=Phrinta download.title=Landa download_label=Landa bookmark.title=Ukubuka kwamanje (kopisha noma vula kwifasitela elisha) bookmark_label=Ukubuka kwamanje +# Secondary toolbar and context menu + + +# Document properties dialog box +document_properties_file_name=Igama lefayela: +# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}" +# will be replaced by the PDF file size in kilobytes, respectively in bytes. +# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}" +# will be replaced by the PDF file size in megabytes, respectively in bytes. +document_properties_title=Isihloko: +# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}" +# will be replaced by the creation/modification date, and time, of the PDF file. + # Tooltips and alt text for side panel toolbar buttons # (the _label strings are alt text for the buttons, the .title strings are # tooltips) @@ -61,12 +74,6 @@ thumb_page_title=Ikhasi {{page}} # number. thumb_page_canvas=Isithonjana sekhasi {{page}} -# Context menu -first_page.label=Yiya kwikhasi lokuqala -last_page.label=Yiya kwikhasi lokugcina -page_rotate_cw.label=Jikisela ngendlela yewashi -page_rotate_ccw.label=Jikisela kwelokudla - # Find panel button title and messages find_label=Thola find_previous.title=Thola indawo eyandulelayo okuvela kuyo lomshwana @@ -82,7 +89,6 @@ find_not_found=Umshwana awutholakali # Error panel labels error_more_info=Ukwaziswa Okwengeziwe error_less_info=Ukwazi okuncane -error_close=Vala # LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be # replaced by the PDF.JS version and build ID. error_version_info=PDF.js v{{version}} (build: {{build}}) @@ -103,6 +109,8 @@ page_scale_width=Ububanzi bekhasi page_scale_fit=Ukulingana kwekhasi page_scale_auto=Ukulwiza okuzenzekalelayo page_scale_actual=Usayizi Wangempela +# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a +# numerical scale value. # Loading indicator messages loading_error_indicator=Iphutha @@ -115,10 +123,10 @@ missing_file_error=Ifayela le-PDF elilahlekile. # the PDF spec (32000-1:2008 Table 169 – Annotation types). # Some common types are e.g.: "Check", "Text", "Comment", "Note" text_annotation_type.alt=[Amazwibela e-{{type}}] -request_password=I-PDF ivikeleke ngephasiwedi -invalid_password=Iphasiwedi Engavumelekile. +password_ok=Kulungile +password_cancel=Khansela printing_not_supported=Isixwayiso: Ukuphrinta akuxhasiwe yilesisiphequluli ngokugcwele. printing_not_ready=Isixwayiso: I-PDF ayikalayishwa ngokuphelele yiPhrinta. -web_fonts_disabled=Amafonti e-webhu akutshaziwe: ayikwazi ukusebenzisa amafonti abekiwe e-PDF. -document_colors_disabled=Amadokhumenti we-PDF awavumelekile ukusebenzisa imibalo yayo: 'Vumela amakhasi ukukhetha imibala yayo' ayisebenzi kusiphequluli. +web_fonts_disabled=Amafonti e-webhu akutshaziwe: ayikwazi ukusebenzisa amafonti abekiwe e-PDF.\u0020 +document_colors_not_allowed=Amadokhumenti we-PDF awavumelekile ukusebenzisa imibalo yayo: 'Vumela amakhasi ukukhetha imibala yayo' ayisebenzi kusiphequluli. diff --git a/pdf.js/pdf.js b/pdf.js/pdf.js index e6d7aa4..0e80525 100644 --- a/pdf.js/pdf.js +++ b/pdf.js/pdf.js @@ -1,5 +1,3 @@ -/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ /* Copyright 2012 Mozilla Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -14,45 +12,127 @@ * See the License for the specific language governing permissions and * limitations under the License. */ -/*jshint globalstrict: false */ -/* globals PDFJS */ +/* jshint globalstrict: false */ +/* globals PDFJS, global */ // Initializing PDFJS global object (if still undefined) if (typeof PDFJS === 'undefined') { - (typeof window !== 'undefined' ? window : this).PDFJS = {}; + (typeof window !== 'undefined' ? window : + typeof global !== 'undefined' ? global : this).PDFJS = {}; } -PDFJS.version = '1.0.908'; -PDFJS.build = '291671c'; +PDFJS.version = '1.3.148'; +PDFJS.build = '4e9ea35'; (function pdfjsWrapper() { // Use strict in our context only - users might not want it 'use strict'; -/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ -/* Copyright 2012 Mozilla Foundation - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + + +(function (root, factory) { + { + factory((root.pdfjsSharedGlobal = {})); + } +}(this, function (exports) { + + var globalScope = (typeof window !== 'undefined') ? window : + (typeof global !== 'undefined') ? global : + (typeof self !== 'undefined') ? self : this; + + var isWorker = (typeof window === 'undefined'); + + // The global PDFJS object exposes the API + // In production, it will be declared outside a global wrapper + // In development, it will be declared here + if (!globalScope.PDFJS) { + globalScope.PDFJS = {}; + } + + globalScope.PDFJS.pdfBug = false; + + exports.globalScope = globalScope; + exports.isWorker = isWorker; + exports.PDFJS = globalScope.PDFJS; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayDOMUtils = {}), root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedGlobal) { + +var PDFJS = sharedGlobal.PDFJS; + +/** + * Optimised CSS custom property getter/setter. + * @class */ -/* globals Cmd, ColorSpace, Dict, MozBlobBuilder, Name, PDFJS, Ref, URL, - Promise */ +var CustomStyle = (function CustomStyleClosure() { -'use strict'; + // As noted on: http://www.zachstronaut.com/posts/2009/02/17/ + // animate-css-transforms-firefox-webkit.html + // in some versions of IE9 it is critical that ms appear in this list + // before Moz + var prefixes = ['ms', 'Moz', 'Webkit', 'O']; + var _cache = {}; -var globalScope = (typeof window === 'undefined') ? this : window; + function CustomStyle() {} -var isWorker = (typeof window === 'undefined'); + CustomStyle.getProp = function get(propName, element) { + // check cache only when no element is given + if (arguments.length === 1 && typeof _cache[propName] === 'string') { + return _cache[propName]; + } + + element = element || document.documentElement; + var style = element.style, prefixed, uPropName; + + // test standard property first + if (typeof style[propName] === 'string') { + return (_cache[propName] = propName); + } + + // capitalize + uPropName = propName.charAt(0).toUpperCase() + propName.slice(1); + + // test vendor specific properties + for (var i = 0, l = prefixes.length; i < l; i++) { + prefixed = prefixes[i] + uPropName; + if (typeof style[prefixed] === 'string') { + return (_cache[propName] = prefixed); + } + } + + //if all fails then set to undefined + return (_cache[propName] = 'undefined'); + }; + + CustomStyle.setProp = function set(propName, element, str) { + var prop = this.getProp(propName); + if (prop !== 'undefined') { + element.style[prop] = str; + } + }; + + return CustomStyle; +})(); + +PDFJS.CustomStyle = CustomStyle; + +exports.CustomStyle = CustomStyle; +})); + + +(function (root, factory) { + { + factory((root.pdfjsSharedUtil = {}), root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedGlobal) { + +var PDFJS = sharedGlobal.PDFJS; +var globalScope = sharedGlobal.globalScope; var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; @@ -76,9 +156,53 @@ var ImageKind = { }; var AnnotationType = { - WIDGET: 1, - TEXT: 2, - LINK: 3 + TEXT: 1, + LINK: 2, + FREETEXT: 3, + LINE: 4, + SQUARE: 5, + CIRCLE: 6, + POLYGON: 7, + POLYLINE: 8, + HIGHLIGHT: 9, + UNDERLINE: 10, + SQUIGGLY: 11, + STRIKEOUT: 12, + STAMP: 13, + CARET: 14, + INK: 15, + POPUP: 16, + FILEATTACHMENT: 17, + SOUND: 18, + MOVIE: 19, + WIDGET: 20, + SCREEN: 21, + PRINTERMARK: 22, + TRAPNET: 23, + WATERMARK: 24, + THREED: 25, + REDACT: 26 +}; + +var AnnotationFlag = { + INVISIBLE: 0x01, + HIDDEN: 0x02, + PRINT: 0x04, + NOZOOM: 0x08, + NOROTATE: 0x10, + NOVIEW: 0x20, + READONLY: 0x40, + LOCKED: 0x80, + TOGGLENOVIEW: 0x100, + LOCKEDCONTENTS: 0x200 +}; + +var AnnotationBorderStyleType = { + SOLID: 1, + DASHED: 2, + BEVELED: 3, + INSET: 4, + UNDERLINE: 5 }; var StreamType = { @@ -108,15 +232,6 @@ var FontType = { MMTYPE1: 10 }; -// The global PDFJS object exposes the API -// In production, it will be declared outside a global wrapper -// In development, it will be declared here -if (!globalScope.PDFJS) { - globalScope.PDFJS = {}; -} - -globalScope.PDFJS.pdfBug = false; - PDFJS.VERBOSITY_LEVELS = { errors: 0, warnings: 1, @@ -236,21 +351,18 @@ function warn(msg) { } } +// Deprecated API function -- treated as warnings. +function deprecated(details) { + warn('Deprecated API usage: ' + details); +} + // Fatal errors that should trigger the fallback UI and halt execution by // throwing an exception. function error(msg) { - // If multiple arguments were passed, pass them all to the log function. - if (arguments.length > 1) { - var logArguments = ['Error:']; - logArguments.push.apply(logArguments, arguments); - console.log.apply(console, logArguments); - // Join the arguments into a single string for the lines below. - msg = [].join.call(arguments, ' '); - } else { + if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.errors) { console.log('Error: ' + msg); + console.log(backtrace()); } - console.log(backtrace()); - UnsupportedManager.notify(UNSUPPORTED_FEATURES.unknown); throw new Error(msg); } @@ -277,22 +389,6 @@ var UNSUPPORTED_FEATURES = PDFJS.UNSUPPORTED_FEATURES = { font: 'font' }; -var UnsupportedManager = PDFJS.UnsupportedManager = - (function UnsupportedManagerClosure() { - var listeners = []; - return { - listen: function (cb) { - listeners.push(cb); - }, - notify: function (featureId) { - warn('Unsupported feature "' + featureId + '"'); - for (var i = 0, ii = listeners.length; i < ii; i++) { - listeners[i](featureId); - } - } - }; -})(); - // Combines two URLs. The baseUrl shall be absolute URL. If the url is an // absolute URL, it will be returned as is. function combineUrl(baseUrl, url) { @@ -341,6 +437,7 @@ function isValidUrl(url, allowRelative) { case 'https': case 'ftp': case 'mailto': + case 'tel': return true; default: return false; @@ -355,6 +452,48 @@ function shadow(obj, prop, value) { writable: false }); return value; } +PDFJS.shadow = shadow; + +var LinkTarget = PDFJS.LinkTarget = { + NONE: 0, // Default value. + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4, +}; +var LinkTargetStringMap = [ + '', + '_self', + '_blank', + '_parent', + '_top' +]; + +function isExternalLinkTargetSet() { + if (PDFJS.openExternalLinksInNewWindow) { + deprecated('PDFJS.openExternalLinksInNewWindow, please use ' + + '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.'); + if (PDFJS.externalLinkTarget === LinkTarget.NONE) { + PDFJS.externalLinkTarget = LinkTarget.BLANK; + } + // Reset the deprecated parameter, to suppress further warnings. + PDFJS.openExternalLinksInNewWindow = false; + } + switch (PDFJS.externalLinkTarget) { + case LinkTarget.NONE: + return false; + case LinkTarget.SELF: + case LinkTarget.BLANK: + case LinkTarget.PARENT: + case LinkTarget.TOP: + return true; + } + warn('PDFJS.externalLinkTarget is invalid: ' + PDFJS.externalLinkTarget); + // Reset the external link target, to suppress further warnings. + PDFJS.externalLinkTarget = LinkTarget.NONE; + return false; +} +PDFJS.isExternalLinkTargetSet = isExternalLinkTargetSet; var PasswordResponses = PDFJS.PasswordResponses = { NEED_PASSWORD: 1, @@ -470,6 +609,8 @@ var XRefParseException = (function XRefParseExceptionClosure() { function bytesToString(bytes) { + assert(bytes !== null && typeof bytes === 'object' && + bytes.length !== undefined, 'Invalid argument for bytesToString'); var length = bytes.length; var MAX_ARGUMENT_COUNT = 8192; if (length < MAX_ARGUMENT_COUNT) { @@ -485,6 +626,7 @@ function bytesToString(bytes) { } function stringToBytes(str) { + assert(typeof str === 'string', 'Invalid argument for stringToBytes'); var length = str.length; var bytes = new Uint8Array(length); for (var i = 0; i < length; ++i) { @@ -536,7 +678,7 @@ Object.defineProperty(PDFJS, 'isLittleEndian', { } }); - // Lazy test if the userAgant support CanvasTypedArrays + // Lazy test if the userAgent support CanvasTypedArrays function hasCanvasTypedArrays() { var canvas = document.createElement('canvas'); canvas.width = canvas.height = 1; @@ -592,6 +734,8 @@ var Uint32ArrayView = (function Uint32ArrayViewClosure() { return Uint32ArrayView; })(); +exports.Uint32ArrayView = Uint32ArrayView; + var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; var Util = PDFJS.Util = (function UtilClosure() { @@ -601,10 +745,10 @@ var Util = PDFJS.Util = (function UtilClosure() { // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids // creating many intermediate strings. - Util.makeCssRgb = function Util_makeCssRgb(rgb) { - rgbBuf[1] = rgb[0]; - rgbBuf[3] = rgb[1]; - rgbBuf[5] = rgb[2]; + Util.makeCssRgb = function Util_makeCssRgb(r, g, b) { + rgbBuf[1] = r; + rgbBuf[3] = g; + rgbBuf[5] = b; return rgbBuf.join(''); }; @@ -975,6 +1119,10 @@ function stringToUTF8String(str) { return decodeURIComponent(escape(str)); } +function utf8StringToString(str) { + return unescape(encodeURIComponent(str)); +} + function isEmptyObj(obj) { for (var key in obj) { return false; @@ -998,45 +1146,14 @@ function isString(v) { return typeof v === 'string'; } -function isNull(v) { - return v === null; -} - -function isName(v) { - return v instanceof Name; -} - -function isCmd(v, cmd) { - return v instanceof Cmd && (cmd === undefined || v.cmd === cmd); -} - -function isDict(v, type) { - if (!(v instanceof Dict)) { - return false; - } - if (!type) { - return true; - } - var dictType = v.get('Type'); - return isName(dictType) && dictType.name === type; -} - function isArray(v) { return v instanceof Array; } -function isStream(v) { - return typeof v === 'object' && v !== null && v.getBytes !== undefined; -} - function isArrayBuffer(v) { return typeof v === 'object' && v !== null && v.byteLength !== undefined; } -function isRef(v) { - return v instanceof Ref; -} - /** * Promise Capability object. * @@ -1476,26 +1593,20 @@ PDFJS.createObjectURL = (function createObjectURLClosure() { }; })(); -function MessageHandler(name, comObj) { - this.name = name; +function MessageHandler(sourceName, targetName, comObj) { + this.sourceName = sourceName; + this.targetName = targetName; this.comObj = comObj; this.callbackIndex = 1; this.postMessageTransfers = true; var callbacksCapabilities = this.callbacksCapabilities = {}; var ah = this.actionHandler = {}; - ah['console_log'] = [function ahConsoleLog(data) { - console.log.apply(console, data); - }]; - ah['console_error'] = [function ahConsoleError(data) { - console.error.apply(console, data); - }]; - ah['_unsupported_feature'] = [function ah_unsupportedFeature(data) { - UnsupportedManager.notify(data); - }]; - - comObj.onmessage = function messageHandlerComObjOnMessage(event) { + this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) { var data = event.data; + if (data.targetName !== this.sourceName) { + return; + } if (data.isReply) { var callbackId = data.callbackId; if (data.callbackId in callbacksCapabilities) { @@ -1512,16 +1623,26 @@ function MessageHandler(name, comObj) { } else if (data.action in ah) { var action = ah[data.action]; if (data.callbackId) { + var sourceName = this.sourceName; + var targetName = data.sourceName; Promise.resolve().then(function () { return action[0].call(action[1], data.data); }).then(function (result) { comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, isReply: true, callbackId: data.callbackId, data: result }); }, function (reason) { + if (reason instanceof Error) { + // Serialize error to avoid "DataCloneError" + reason = reason + ''; + } comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, isReply: true, callbackId: data.callbackId, error: reason @@ -1533,7 +1654,8 @@ function MessageHandler(name, comObj) { } else { error('Unknown action from worker: ' + data.action); } - }; + }.bind(this); + comObj.addEventListener('message', this._onComObjOnMessage); } MessageHandler.prototype = { @@ -1552,6 +1674,8 @@ MessageHandler.prototype = { */ send: function messageHandlerSend(actionName, data, transfers) { var message = { + sourceName: this.sourceName, + targetName: this.targetName, action: actionName, data: data }; @@ -1569,6 +1693,8 @@ MessageHandler.prototype = { function messageHandlerSendWithPromise(actionName, data, transfers) { var callbackId = this.callbackIndex++; var message = { + sourceName: this.sourceName, + targetName: this.targetName, action: actionName, data: data, callbackId: callbackId @@ -1594,6 +1720,10 @@ MessageHandler.prototype = { } else { this.comObj.postMessage(message); } + }, + + destroy: function () { + this.comObj.removeEventListener('message', this._onComObjOnMessage); } }; @@ -1609,4444 +1739,864 @@ function loadJpegStream(id, imageUrl, objs) { img.src = imageUrl; } +exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; +exports.IDENTITY_MATRIX = IDENTITY_MATRIX; +exports.OPS = OPS; +exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; +exports.AnnotationBorderStyleType = AnnotationBorderStyleType; +exports.AnnotationFlag = AnnotationFlag; +exports.AnnotationType = AnnotationType; +exports.FontType = FontType; +exports.ImageKind = ImageKind; +exports.InvalidPDFException = InvalidPDFException; +exports.LinkTarget = LinkTarget; +exports.LinkTargetStringMap = LinkTargetStringMap; +exports.MessageHandler = MessageHandler; +exports.MissingDataException = MissingDataException; +exports.MissingPDFException = MissingPDFException; +exports.NotImplementedException = NotImplementedException; +exports.PasswordException = PasswordException; +exports.PasswordResponses = PasswordResponses; +exports.StatTimer = StatTimer; +exports.StreamType = StreamType; +exports.TextRenderingMode = TextRenderingMode; +exports.UnexpectedResponseException = UnexpectedResponseException; +exports.UnknownErrorException = UnknownErrorException; +exports.Util = Util; +exports.XRefParseException = XRefParseException; +exports.assert = assert; +exports.bytesToString = bytesToString; +exports.combineUrl = combineUrl; +exports.createPromiseCapability = createPromiseCapability; +exports.deprecated = deprecated; +exports.error = error; +exports.info = info; +exports.isArray = isArray; +exports.isArrayBuffer = isArrayBuffer; +exports.isBool = isBool; +exports.isEmptyObj = isEmptyObj; +exports.isExternalLinkTargetSet = isExternalLinkTargetSet; +exports.isInt = isInt; +exports.isNum = isNum; +exports.isString = isString; +exports.isValidUrl = isValidUrl; +exports.loadJpegStream = loadJpegStream; +exports.log2 = log2; +exports.readInt8 = readInt8; +exports.readUint16 = readUint16; +exports.readUint32 = readUint32; +exports.shadow = shadow; +exports.string32 = string32; +exports.stringToBytes = stringToBytes; +exports.stringToPDFString = stringToPDFString; +exports.stringToUTF8String = stringToUTF8String; +exports.utf8StringToString = utf8StringToString; +exports.warn = warn; +})); -/** - * The maximum allowed image size in total pixels e.g. width * height. Images - * above this value will not be drawn. Use -1 for no limit. - * @var {number} - */ -PDFJS.maxImageSize = (PDFJS.maxImageSize === undefined ? - -1 : PDFJS.maxImageSize); -/** - * The url of where the predefined Adobe CMaps are located. Include trailing - * slash. - * @var {string} - */ -PDFJS.cMapUrl = (PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl); - -/** - * Specifies if CMaps are binary packed. - * @var {boolean} - */ -PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked; - -/* - * By default fonts are converted to OpenType fonts and loaded via font face - * rules. If disabled, the font will be rendered using a built in font renderer - * that constructs the glyphs with primitive path commands. - * @var {boolean} - */ -PDFJS.disableFontFace = (PDFJS.disableFontFace === undefined ? - false : PDFJS.disableFontFace); - -/** - * Path for image resources, mainly for annotation icons. Include trailing - * slash. - * @var {string} - */ -PDFJS.imageResourcesPath = (PDFJS.imageResourcesPath === undefined ? - '' : PDFJS.imageResourcesPath); - -/** - * Disable the web worker and run all code on the main thread. This will happen - * automatically if the browser doesn't support workers or sending typed arrays - * to workers. - * @var {boolean} - */ -PDFJS.disableWorker = (PDFJS.disableWorker === undefined ? - false : PDFJS.disableWorker); - -/** - * Path and filename of the worker file. Required when the worker is enabled in - * development mode. If unspecified in the production build, the worker will be - * loaded based on the location of the pdf.js file. - * @var {string} - */ -PDFJS.workerSrc = (PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc); - -/** - * Disable range request loading of PDF files. When enabled and if the server - * supports partial content requests then the PDF will be fetched in chunks. - * Enabled (false) by default. - * @var {boolean} - */ -PDFJS.disableRange = (PDFJS.disableRange === undefined ? - false : PDFJS.disableRange); - -/** - * Disable streaming of PDF file data. By default PDF.js attempts to load PDF - * in chunks. This default behavior can be disabled. - * @var {boolean} - */ -PDFJS.disableStream = (PDFJS.disableStream === undefined ? - false : PDFJS.disableStream); - -/** - * Disable pre-fetching of PDF file data. When range requests are enabled PDF.js - * will automatically keep fetching more data even if it isn't needed to display - * the current page. This default behavior can be disabled. - * @var {boolean} - */ -PDFJS.disableAutoFetch = (PDFJS.disableAutoFetch === undefined ? - false : PDFJS.disableAutoFetch); - -/** - * Enables special hooks for debugging PDF.js. - * @var {boolean} - */ -PDFJS.pdfBug = (PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug); - -/** - * Enables transfer usage in postMessage for ArrayBuffers. - * @var {boolean} - */ -PDFJS.postMessageTransfers = (PDFJS.postMessageTransfers === undefined ? - true : PDFJS.postMessageTransfers); - -/** - * Disables URL.createObjectURL usage. - * @var {boolean} - */ -PDFJS.disableCreateObjectURL = (PDFJS.disableCreateObjectURL === undefined ? - false : PDFJS.disableCreateObjectURL); - -/** - * Disables WebGL usage. - * @var {boolean} - */ -PDFJS.disableWebGL = (PDFJS.disableWebGL === undefined ? - true : PDFJS.disableWebGL); - -/** - * Enables CSS only zooming. - * @var {boolean} - */ -PDFJS.useOnlyCssZoom = (PDFJS.useOnlyCssZoom === undefined ? - false : PDFJS.useOnlyCssZoom); - -/** - * Controls the logging level. - * The constants from PDFJS.VERBOSITY_LEVELS should be used: - * - errors - * - warnings [default] - * - infos - * @var {number} - */ -PDFJS.verbosity = (PDFJS.verbosity === undefined ? - PDFJS.VERBOSITY_LEVELS.warnings : PDFJS.verbosity); - -/** - * The maximum supported canvas size in total pixels e.g. width * height. - * The default value is 4096 * 4096. Use -1 for no limit. - * @var {number} - */ -PDFJS.maxCanvasPixels = (PDFJS.maxCanvasPixels === undefined ? - 16777216 : PDFJS.maxCanvasPixels); - -/** - * Document initialization / loading parameters object. - * - * @typedef {Object} DocumentInitParameters - * @property {string} url - The URL of the PDF. - * @property {TypedArray} data - A typed array with PDF data. - * @property {Object} httpHeaders - Basic authentication headers. - * @property {boolean} withCredentials - Indicates whether or not cross-site - * Access-Control requests should be made using credentials such as cookies - * or authorization headers. The default is false. - * @property {string} password - For decrypting password-protected PDFs. - * @property {TypedArray} initialData - A typed array with the first portion or - * all of the pdf data. Used by the extension since some data is already - * loaded before the switch to range requests. - */ - -/** - * @typedef {Object} PDFDocumentStats - * @property {Array} streamTypes - Used stream types in the document (an item - * is set to true if specific stream ID was used in the document). - * @property {Array} fontTypes - Used font type in the document (an item is set - * to true if specific font ID was used in the document). - */ - -/** - * This is the main entry point for loading a PDF and interacting with it. - * NOTE: If a URL is used to fetch the PDF data a standard XMLHttpRequest(XHR) - * is used, which means it must follow the same origin rules that any XHR does - * e.g. No cross domain requests without CORS. - * - * @param {string|TypedArray|DocumentInitParameters} source Can be a url to - * where a PDF is located, a typed array (Uint8Array) already populated with - * data or parameter object. - * - * @param {Object} pdfDataRangeTransport is optional. It is used if you want - * to manually serve range requests for data in the PDF. See viewer.js for - * an example of pdfDataRangeTransport's interface. - * - * @param {function} passwordCallback is optional. It is used to request a - * password if wrong or no password was provided. The callback receives two - * parameters: function that needs to be called with new password and reason - * (see {PasswordResponses}). - * - * @param {function} progressCallback is optional. It is used to be able to - * monitor the loading progress of the PDF file (necessary to implement e.g. - * a loading bar). The callback receives an {Object} with the properties: - * {number} loaded and {number} total. - * - * @return {Promise} A promise that is resolved with {@link PDFDocumentProxy} - * object. - */ -PDFJS.getDocument = function getDocument(source, - pdfDataRangeTransport, - passwordCallback, - progressCallback) { - var workerInitializedCapability, workerReadyCapability, transport; - - if (typeof source === 'string') { - source = { url: source }; - } else if (isArrayBuffer(source)) { - source = { data: source }; - } else if (typeof source !== 'object') { - error('Invalid parameter in getDocument, need either Uint8Array, ' + - 'string or a parameter object'); +(function (root, factory) { + { + factory((root.pdfjsDisplayAnnotationLayer = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayDOMUtils); } +}(this, function (exports, sharedUtil, displayDOMUtils) { - if (!source.url && !source.data) { - error('Invalid parameter array, need either .data or .url'); - } - - // copy/use all keys as is except 'url' -- full path is required - var params = {}; - for (var key in source) { - if (key === 'url' && typeof window !== 'undefined') { - params[key] = combineUrl(window.location.href, source[key]); - continue; - } - params[key] = source[key]; - } - - workerInitializedCapability = createPromiseCapability(); - workerReadyCapability = createPromiseCapability(); - transport = new WorkerTransport(workerInitializedCapability, - workerReadyCapability, pdfDataRangeTransport, - progressCallback); - workerInitializedCapability.promise.then(function transportInitialized() { - transport.passwordCallback = passwordCallback; - transport.fetchDocument(params); - }); - return workerReadyCapability.promise; -}; +var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType; +var AnnotationType = sharedUtil.AnnotationType; +var Util = sharedUtil.Util; +var isExternalLinkTargetSet = sharedUtil.isExternalLinkTargetSet; +var LinkTargetStringMap = sharedUtil.LinkTargetStringMap; +var warn = sharedUtil.warn; +var CustomStyle = displayDOMUtils.CustomStyle; + +/** + * @typedef {Object} AnnotationElementParameters + * @property {Object} data + * @property {HTMLDivElement} layer + * @property {PDFPage} page + * @property {PageViewport} viewport + * @property {IPDFLinkService} linkService + */ /** - * Proxy to a PDFDocument in the worker thread. Also, contains commonly used - * properties that can be read synchronously. * @class + * @alias AnnotationElementFactory */ -var PDFDocumentProxy = (function PDFDocumentProxyClosure() { - function PDFDocumentProxy(pdfInfo, transport) { - this.pdfInfo = pdfInfo; - this.transport = transport; - } - PDFDocumentProxy.prototype = /** @lends PDFDocumentProxy.prototype */ { - /** - * @return {number} Total number of pages the PDF contains. - */ - get numPages() { - return this.pdfInfo.numPages; - }, - /** - * @return {string} A unique ID to identify a PDF. Not guaranteed to be - * unique. - */ - get fingerprint() { - return this.pdfInfo.fingerprint; - }, - /** - * @param {number} pageNumber The page number to get. The first page is 1. - * @return {Promise} A promise that is resolved with a {@link PDFPageProxy} - * object. - */ - getPage: function PDFDocumentProxy_getPage(pageNumber) { - return this.transport.getPage(pageNumber); - }, - /** - * @param {{num: number, gen: number}} ref The page reference. Must have - * the 'num' and 'gen' properties. - * @return {Promise} A promise that is resolved with the page index that is - * associated with the reference. - */ - getPageIndex: function PDFDocumentProxy_getPageIndex(ref) { - return this.transport.getPageIndex(ref); - }, - /** - * @return {Promise} A promise that is resolved with a lookup table for - * mapping named destinations to reference numbers. - * - * This can be slow for large documents: use getDestination instead - */ - getDestinations: function PDFDocumentProxy_getDestinations() { - return this.transport.getDestinations(); - }, - /** - * @param {string} id The named destination to get. - * @return {Promise} A promise that is resolved with all information - * of the given named destination. - */ - getDestination: function PDFDocumentProxy_getDestination(id) { - return this.transport.getDestination(id); - }, - /** - * @return {Promise} A promise that is resolved with a lookup table for - * mapping named attachments to their content. - */ - getAttachments: function PDFDocumentProxy_getAttachments() { - return this.transport.getAttachments(); - }, - /** - * @return {Promise} A promise that is resolved with an array of all the - * JavaScript strings in the name tree. - */ - getJavaScript: function PDFDocumentProxy_getJavaScript() { - return this.transport.getJavaScript(); - }, - /** - * @return {Promise} A promise that is resolved with an {Array} that is a - * tree outline (if it has one) of the PDF. The tree is in the format of: - * [ - * { - * title: string, - * bold: boolean, - * italic: boolean, - * color: rgb array, - * dest: dest obj, - * items: array of more items like this - * }, - * ... - * ]. - */ - getOutline: function PDFDocumentProxy_getOutline() { - return this.transport.getOutline(); - }, - /** - * @return {Promise} A promise that is resolved with an {Object} that has - * info and metadata properties. Info is an {Object} filled with anything - * available in the information dictionary and similarly metadata is a - * {Metadata} object with information from the metadata section of the PDF. - */ - getMetadata: function PDFDocumentProxy_getMetadata() { - return this.transport.getMetadata(); - }, - /** - * @return {Promise} A promise that is resolved with a TypedArray that has - * the raw data from the PDF. - */ - getData: function PDFDocumentProxy_getData() { - return this.transport.getData(); - }, - /** - * @return {Promise} A promise that is resolved when the document's data - * is loaded. It is resolved with an {Object} that contains the length - * property that indicates size of the PDF data in bytes. - */ - getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() { - return this.transport.downloadInfoCapability.promise; - }, - /** - * @returns {Promise} A promise this is resolved with current stats about - * document structures (see {@link PDFDocumentStats}). - */ - getStats: function PDFDocumentProxy_getStats() { - return this.transport.getStats(); - }, - /** - * Cleans up resources allocated by the document, e.g. created @font-face. - */ - cleanup: function PDFDocumentProxy_cleanup() { - this.transport.startCleanup(); - }, - /** - * Destroys current document instance and terminates worker. - */ - destroy: function PDFDocumentProxy_destroy() { - this.transport.destroy(); - } - }; - return PDFDocumentProxy; -})(); +function AnnotationElementFactory() {} +AnnotationElementFactory.prototype = + /** @lends AnnotationElementFactory.prototype */ { + /** + * @param {AnnotationElementParameters} parameters + * @returns {AnnotationElement} + */ + create: function AnnotationElementFactory_create(parameters) { + var subtype = parameters.data.annotationType; -/** - * Page text content. - * - * @typedef {Object} TextContent - * @property {array} items - array of {@link TextItem} - * @property {Object} styles - {@link TextStyles} objects, indexed by font - * name. - */ + switch (subtype) { + case AnnotationType.LINK: + return new LinkAnnotationElement(parameters); -/** - * Page text content part. - * - * @typedef {Object} TextItem - * @property {string} str - text content. - * @property {string} dir - text direction: 'ttb', 'ltr' or 'rtl'. - * @property {array} transform - transformation matrix. - * @property {number} width - width in device space. - * @property {number} height - height in device space. - * @property {string} fontName - font name used by pdf.js for converted font. - */ + case AnnotationType.TEXT: + return new TextAnnotationElement(parameters); -/** - * Text style. - * - * @typedef {Object} TextStyle - * @property {number} ascent - font ascent. - * @property {number} descent - font descent. - * @property {boolean} vertical - text is in vertical mode. - * @property {string} fontFamily - possible font family - */ + case AnnotationType.WIDGET: + return new WidgetAnnotationElement(parameters); -/** - * Page render parameters. - * - * @typedef {Object} RenderParameters - * @property {Object} canvasContext - A 2D context of a DOM Canvas object. - * @property {PDFJS.PageViewport} viewport - Rendering viewport obtained by - * calling of PDFPage.getViewport method. - * @property {string} intent - Rendering intent, can be 'display' or 'print' - * (default value is 'display'). - * @property {Object} imageLayer - (optional) An object that has beginLayout, - * endLayout and appendImage functions. - * @property {function} continueCallback - (optional) A function that will be - * called each time the rendering is paused. To continue - * rendering call the function that is the first argument - * to the callback. - */ - -/** - * PDF page operator list. - * - * @typedef {Object} PDFOperatorList - * @property {Array} fnArray - Array containing the operator functions. - * @property {Array} argsArray - Array containing the arguments of the - * functions. - */ + case AnnotationType.POPUP: + return new PopupAnnotationElement(parameters); -/** - * Proxy to a PDFPage in the worker thread. - * @class - */ -var PDFPageProxy = (function PDFPageProxyClosure() { - function PDFPageProxy(pageIndex, pageInfo, transport) { - this.pageIndex = pageIndex; - this.pageInfo = pageInfo; - this.transport = transport; - this.stats = new StatTimer(); - this.stats.enabled = !!globalScope.PDFJS.enableStats; - this.commonObjs = transport.commonObjs; - this.objs = new PDFObjects(); - this.cleanupAfterRender = false; - this.pendingDestroy = false; - this.intentStates = {}; - } - PDFPageProxy.prototype = /** @lends PDFPageProxy.prototype */ { - /** - * @return {number} Page number of the page. First page is 1. - */ - get pageNumber() { - return this.pageIndex + 1; - }, - /** - * @return {number} The number of degrees the page is rotated clockwise. - */ - get rotate() { - return this.pageInfo.rotate; - }, - /** - * @return {Object} The reference that points to this page. It has 'num' and - * 'gen' properties. - */ - get ref() { - return this.pageInfo.ref; - }, - /** - * @return {Array} An array of the visible portion of the PDF page in the - * user space units - [x1, y1, x2, y2]. - */ - get view() { - return this.pageInfo.view; - }, - /** - * @param {number} scale The desired scale of the viewport. - * @param {number} rotate Degrees to rotate the viewport. If omitted this - * defaults to the page rotation. - * @return {PDFJS.PageViewport} Contains 'width' and 'height' properties - * along with transforms required for rendering. - */ - getViewport: function PDFPageProxy_getViewport(scale, rotate) { - if (arguments.length < 2) { - rotate = this.rotate; - } - return new PDFJS.PageViewport(this.view, scale, rotate, 0, 0); - }, - /** - * @return {Promise} A promise that is resolved with an {Array} of the - * annotation objects. - */ - getAnnotations: function PDFPageProxy_getAnnotations() { - if (this.annotationsPromise) { - return this.annotationsPromise; - } + case AnnotationType.HIGHLIGHT: + return new HighlightAnnotationElement(parameters); - var promise = this.transport.getAnnotations(this.pageIndex); - this.annotationsPromise = promise; - return promise; - }, - /** - * Begins the process of rendering a page to the desired context. - * @param {RenderParameters} params Page render parameters. - * @return {RenderTask} An object that contains the promise, which - * is resolved when the page finishes rendering. - */ - render: function PDFPageProxy_render(params) { - var stats = this.stats; - stats.time('Overall'); + case AnnotationType.UNDERLINE: + return new UnderlineAnnotationElement(parameters); - // If there was a pending destroy cancel it so no cleanup happens during - // this call to render. - this.pendingDestroy = false; + case AnnotationType.SQUIGGLY: + return new SquigglyAnnotationElement(parameters); - var renderingIntent = (params.intent === 'print' ? 'print' : 'display'); + case AnnotationType.STRIKEOUT: + return new StrikeOutAnnotationElement(parameters); - if (!this.intentStates[renderingIntent]) { - this.intentStates[renderingIntent] = {}; - } - var intentState = this.intentStates[renderingIntent]; - - // If there's no displayReadyCapability yet, then the operatorList - // was never requested before. Make the request and create the promise. - if (!intentState.displayReadyCapability) { - intentState.receivingOperatorList = true; - intentState.displayReadyCapability = createPromiseCapability(); - intentState.operatorList = { - fnArray: [], - argsArray: [], - lastChunk: false - }; - - this.stats.time('Page Request'); - this.transport.messageHandler.send('RenderPageRequest', { - pageIndex: this.pageNumber - 1, - intent: renderingIntent - }); - } - - var internalRenderTask = new InternalRenderTask(complete, params, - this.objs, - this.commonObjs, - intentState.operatorList, - this.pageNumber); - if (!intentState.renderTasks) { - intentState.renderTasks = []; - } - intentState.renderTasks.push(internalRenderTask); - var renderTask = new RenderTask(internalRenderTask); - - var self = this; - intentState.displayReadyCapability.promise.then( - function pageDisplayReadyPromise(transparency) { - if (self.pendingDestroy) { - complete(); - return; - } - stats.time('Rendering'); - internalRenderTask.initalizeGraphics(transparency); - internalRenderTask.operatorListChanged(); - }, - function pageDisplayReadPromiseError(reason) { - complete(reason); - } - ); - - function complete(error) { - var i = intentState.renderTasks.indexOf(internalRenderTask); - if (i >= 0) { - intentState.renderTasks.splice(i, 1); - } - - if (self.cleanupAfterRender) { - self.pendingDestroy = true; - } - self._tryDestroy(); - - if (error) { - internalRenderTask.capability.reject(error); - } else { - internalRenderTask.capability.resolve(); - } - stats.timeEnd('Rendering'); - stats.timeEnd('Overall'); - } - - return renderTask; - }, - - /** - * @return {Promise} A promise resolved with an {@link PDFOperatorList} - * object that represents page's operator list. - */ - getOperatorList: function PDFPageProxy_getOperatorList() { - function operatorListChanged() { - if (intentState.operatorList.lastChunk) { - intentState.opListReadCapability.resolve(intentState.operatorList); - } - } - - var renderingIntent = 'oplist'; - if (!this.intentStates[renderingIntent]) { - this.intentStates[renderingIntent] = {}; - } - var intentState = this.intentStates[renderingIntent]; - - if (!intentState.opListReadCapability) { - var opListTask = {}; - opListTask.operatorListChanged = operatorListChanged; - intentState.receivingOperatorList = true; - intentState.opListReadCapability = createPromiseCapability(); - intentState.renderTasks = []; - intentState.renderTasks.push(opListTask); - intentState.operatorList = { - fnArray: [], - argsArray: [], - lastChunk: false - }; - - this.transport.messageHandler.send('RenderPageRequest', { - pageIndex: this.pageIndex, - intent: renderingIntent - }); - } - return intentState.opListReadCapability.promise; - }, - - /** - * @return {Promise} That is resolved a {@link TextContent} - * object that represent the page text content. - */ - getTextContent: function PDFPageProxy_getTextContent() { - return this.transport.messageHandler.sendWithPromise('GetTextContent', { - pageIndex: this.pageNumber - 1 - }); - }, - /** - * Destroys resources allocated by the page. - */ - destroy: function PDFPageProxy_destroy() { - this.pendingDestroy = true; - this._tryDestroy(); - }, - /** - * For internal use only. Attempts to clean up if rendering is in a state - * where that's possible. - * @ignore - */ - _tryDestroy: function PDFPageProxy__destroy() { - if (!this.pendingDestroy || - Object.keys(this.intentStates).some(function(intent) { - var intentState = this.intentStates[intent]; - return (intentState.renderTasks.length !== 0 || - intentState.receivingOperatorList); - }, this)) { - return; - } - - Object.keys(this.intentStates).forEach(function(intent) { - delete this.intentStates[intent]; - }, this); - this.objs.clear(); - this.annotationsPromise = null; - this.pendingDestroy = false; - }, - /** - * For internal use only. - * @ignore - */ - _startRenderPage: function PDFPageProxy_startRenderPage(transparency, - intent) { - var intentState = this.intentStates[intent]; - // TODO Refactor RenderPageRequest to separate rendering - // and operator list logic - if (intentState.displayReadyCapability) { - intentState.displayReadyCapability.resolve(transparency); - } - }, - /** - * For internal use only. - * @ignore - */ - _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, - intent) { - var intentState = this.intentStates[intent]; - var i, ii; - // Add the new chunk to the current operator list. - for (i = 0, ii = operatorListChunk.length; i < ii; i++) { - intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]); - intentState.operatorList.argsArray.push( - operatorListChunk.argsArray[i]); - } - intentState.operatorList.lastChunk = operatorListChunk.lastChunk; - - // Notify all the rendering tasks there are more operators to be consumed. - for (i = 0; i < intentState.renderTasks.length; i++) { - intentState.renderTasks[i].operatorListChanged(); - } - - if (operatorListChunk.lastChunk) { - intentState.receivingOperatorList = false; - this._tryDestroy(); - } - } - }; - return PDFPageProxy; -})(); - -/** - * For internal use only. - * @ignore - */ -var WorkerTransport = (function WorkerTransportClosure() { - function WorkerTransport(workerInitializedCapability, workerReadyCapability, - pdfDataRangeTransport, progressCallback) { - this.pdfDataRangeTransport = pdfDataRangeTransport; - - this.workerInitializedCapability = workerInitializedCapability; - this.workerReadyCapability = workerReadyCapability; - this.progressCallback = progressCallback; - this.commonObjs = new PDFObjects(); - - this.pageCache = []; - this.pagePromises = []; - this.downloadInfoCapability = createPromiseCapability(); - this.passwordCallback = null; - - // If worker support isn't disabled explicit and the browser has worker - // support, create a new web worker and test if it/the browser fullfills - // all requirements to run parts of pdf.js in a web worker. - // Right now, the requirement is, that an Uint8Array is still an Uint8Array - // as it arrives on the worker. Chrome added this with version 15. - if (!globalScope.PDFJS.disableWorker && typeof Worker !== 'undefined') { - var workerSrc = PDFJS.workerSrc; - if (!workerSrc) { - error('No PDFJS.workerSrc specified'); - } - - try { - // Some versions of FF can't create a worker on localhost, see: - // https://bugzilla.mozilla.org/show_bug.cgi?id=683280 - var worker = new Worker(workerSrc); - var messageHandler = new MessageHandler('main', worker); - this.messageHandler = messageHandler; - - messageHandler.on('test', function transportTest(data) { - var supportTypedArray = data && data.supportTypedArray; - if (supportTypedArray) { - this.worker = worker; - if (!data.supportTransfers) { - PDFJS.postMessageTransfers = false; - } - this.setupMessageHandler(messageHandler); - workerInitializedCapability.resolve(); - } else { - this.setupFakeWorker(); - } - }.bind(this)); - - var testObj = new Uint8Array([PDFJS.postMessageTransfers ? 255 : 0]); - // Some versions of Opera throw a DATA_CLONE_ERR on serializing the - // typed array. Also, checking if we can use transfers. - try { - messageHandler.send('test', testObj, [testObj.buffer]); - } catch (ex) { - info('Cannot use postMessage transfers'); - testObj[0] = 0; - messageHandler.send('test', testObj); - } - return; - } catch (e) { - info('The worker has been disabled.'); - } - } - // Either workers are disabled, not supported or have thrown an exception. - // Thus, we fallback to a faked worker. - this.setupFakeWorker(); - } - WorkerTransport.prototype = { - destroy: function WorkerTransport_destroy() { - this.pageCache = []; - this.pagePromises = []; - var self = this; - this.messageHandler.sendWithPromise('Terminate', null).then(function () { - FontLoader.clear(); - if (self.worker) { - self.worker.terminate(); - } - }); - }, - - setupFakeWorker: function WorkerTransport_setupFakeWorker() { - globalScope.PDFJS.disableWorker = true; - - if (!PDFJS.fakeWorkerFilesLoadedCapability) { - PDFJS.fakeWorkerFilesLoadedCapability = createPromiseCapability(); - // In the developer build load worker_loader which in turn loads all the - // other files and resolves the promise. In production only the - // pdf.worker.js file is needed. - Util.loadScript(PDFJS.workerSrc, function() { - PDFJS.fakeWorkerFilesLoadedCapability.resolve(); - }); - } - PDFJS.fakeWorkerFilesLoadedCapability.promise.then(function () { - warn('Setting up fake worker.'); - // If we don't use a worker, just post/sendMessage to the main thread. - var fakeWorker = { - postMessage: function WorkerTransport_postMessage(obj) { - fakeWorker.onmessage({data: obj}); - }, - terminate: function WorkerTransport_terminate() {} - }; - - var messageHandler = new MessageHandler('main', fakeWorker); - this.setupMessageHandler(messageHandler); - - // If the main thread is our worker, setup the handling for the messages - // the main thread sends to it self. - PDFJS.WorkerMessageHandler.setup(messageHandler); - - this.workerInitializedCapability.resolve(); - }.bind(this)); - }, - - setupMessageHandler: - function WorkerTransport_setupMessageHandler(messageHandler) { - this.messageHandler = messageHandler; - - function updatePassword(password) { - messageHandler.send('UpdatePassword', password); - } - - var pdfDataRangeTransport = this.pdfDataRangeTransport; - if (pdfDataRangeTransport) { - pdfDataRangeTransport.addRangeListener(function(begin, chunk) { - messageHandler.send('OnDataRange', { - begin: begin, - chunk: chunk - }); - }); - - pdfDataRangeTransport.addProgressListener(function(loaded) { - messageHandler.send('OnDataProgress', { - loaded: loaded - }); - }); - - pdfDataRangeTransport.addProgressiveReadListener(function(chunk) { - messageHandler.send('OnDataRange', { - chunk: chunk - }); - }); - - messageHandler.on('RequestDataRange', - function transportDataRange(data) { - pdfDataRangeTransport.requestDataRange(data.begin, data.end); - }, this); - } - - messageHandler.on('GetDoc', function transportDoc(data) { - var pdfInfo = data.pdfInfo; - this.numPages = data.pdfInfo.numPages; - var pdfDocument = new PDFDocumentProxy(pdfInfo, this); - this.pdfDocument = pdfDocument; - this.workerReadyCapability.resolve(pdfDocument); - }, this); - - messageHandler.on('NeedPassword', - function transportNeedPassword(exception) { - if (this.passwordCallback) { - return this.passwordCallback(updatePassword, - PasswordResponses.NEED_PASSWORD); - } - this.workerReadyCapability.reject( - new PasswordException(exception.message, exception.code)); - }, this); - - messageHandler.on('IncorrectPassword', - function transportIncorrectPassword(exception) { - if (this.passwordCallback) { - return this.passwordCallback(updatePassword, - PasswordResponses.INCORRECT_PASSWORD); - } - this.workerReadyCapability.reject( - new PasswordException(exception.message, exception.code)); - }, this); - - messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) { - this.workerReadyCapability.reject( - new InvalidPDFException(exception.message)); - }, this); - - messageHandler.on('MissingPDF', function transportMissingPDF(exception) { - this.workerReadyCapability.reject( - new MissingPDFException(exception.message)); - }, this); - - messageHandler.on('UnexpectedResponse', - function transportUnexpectedResponse(exception) { - this.workerReadyCapability.reject( - new UnexpectedResponseException(exception.message, exception.status)); - }, this); - - messageHandler.on('UnknownError', - function transportUnknownError(exception) { - this.workerReadyCapability.reject( - new UnknownErrorException(exception.message, exception.details)); - }, this); - - messageHandler.on('DataLoaded', function transportPage(data) { - this.downloadInfoCapability.resolve(data); - }, this); - - messageHandler.on('PDFManagerReady', function transportPage(data) { - if (this.pdfDataRangeTransport) { - this.pdfDataRangeTransport.transportReady(); - } - }, this); - - messageHandler.on('StartRenderPage', function transportRender(data) { - var page = this.pageCache[data.pageIndex]; - - page.stats.timeEnd('Page Request'); - page._startRenderPage(data.transparency, data.intent); - }, this); - - messageHandler.on('RenderPageChunk', function transportRender(data) { - var page = this.pageCache[data.pageIndex]; - - page._renderPageChunk(data.operatorList, data.intent); - }, this); - - messageHandler.on('commonobj', function transportObj(data) { - var id = data[0]; - var type = data[1]; - if (this.commonObjs.hasData(id)) { - return; - } - - switch (type) { - case 'Font': - var exportedData = data[2]; - - var font; - if ('error' in exportedData) { - var error = exportedData.error; - warn('Error during font loading: ' + error); - this.commonObjs.resolve(id, error); - break; - } else { - font = new FontFaceObject(exportedData); - } - - FontLoader.bind( - [font], - function fontReady(fontObjs) { - this.commonObjs.resolve(id, font); - }.bind(this) - ); - break; - case 'FontPath': - this.commonObjs.resolve(id, data[2]); - break; - default: - error('Got unknown common object type ' + type); - } - }, this); - - messageHandler.on('obj', function transportObj(data) { - var id = data[0]; - var pageIndex = data[1]; - var type = data[2]; - var pageProxy = this.pageCache[pageIndex]; - var imageData; - if (pageProxy.objs.hasData(id)) { - return; - } - - switch (type) { - case 'JpegStream': - imageData = data[3]; - loadJpegStream(id, imageData, pageProxy.objs); - break; - case 'Image': - imageData = data[3]; - pageProxy.objs.resolve(id, imageData); - - // heuristics that will allow not to store large data - var MAX_IMAGE_SIZE_TO_STORE = 8000000; - if (imageData && 'data' in imageData && - imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) { - pageProxy.cleanupAfterRender = true; - } - break; - default: - error('Got unknown object type ' + type); - } - }, this); - - messageHandler.on('DocProgress', function transportDocProgress(data) { - if (this.progressCallback) { - this.progressCallback({ - loaded: data.loaded, - total: data.total - }); - } - }, this); - - messageHandler.on('PageError', function transportError(data) { - var page = this.pageCache[data.pageNum - 1]; - var intentState = page.intentStates[data.intent]; - if (intentState.displayReadyCapability) { - intentState.displayReadyCapability.reject(data.error); - } else { - error(data.error); - } - }, this); - - messageHandler.on('JpegDecode', function(data) { - var imageUrl = data[0]; - var components = data[1]; - if (components !== 3 && components !== 1) { - return Promise.reject( - new Error('Only 3 components or 1 component can be returned')); - } - - return new Promise(function (resolve, reject) { - var img = new Image(); - img.onload = function () { - var width = img.width; - var height = img.height; - var size = width * height; - var rgbaLength = size * 4; - var buf = new Uint8Array(size * components); - var tmpCanvas = createScratchCanvas(width, height); - var tmpCtx = tmpCanvas.getContext('2d'); - tmpCtx.drawImage(img, 0, 0); - var data = tmpCtx.getImageData(0, 0, width, height).data; - var i, j; - - if (components === 3) { - for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) { - buf[j] = data[i]; - buf[j + 1] = data[i + 1]; - buf[j + 2] = data[i + 2]; - } - } else if (components === 1) { - for (i = 0, j = 0; i < rgbaLength; i += 4, j++) { - buf[j] = data[i]; - } - } - resolve({ data: buf, width: width, height: height}); - }; - img.onerror = function () { - reject(new Error('JpegDecode failed to load image')); - }; - img.src = imageUrl; - }); - }); - }, - - fetchDocument: function WorkerTransport_fetchDocument(source) { - source.disableAutoFetch = PDFJS.disableAutoFetch; - source.disableStream = PDFJS.disableStream; - source.chunkedViewerLoading = !!this.pdfDataRangeTransport; - this.messageHandler.send('GetDocRequest', { - source: source, - disableRange: PDFJS.disableRange, - maxImageSize: PDFJS.maxImageSize, - cMapUrl: PDFJS.cMapUrl, - cMapPacked: PDFJS.cMapPacked, - disableFontFace: PDFJS.disableFontFace, - disableCreateObjectURL: PDFJS.disableCreateObjectURL, - verbosity: PDFJS.verbosity - }); - }, - - getData: function WorkerTransport_getData() { - return this.messageHandler.sendWithPromise('GetData', null); - }, - - getPage: function WorkerTransport_getPage(pageNumber, capability) { - if (pageNumber <= 0 || pageNumber > this.numPages || - (pageNumber|0) !== pageNumber) { - return Promise.reject(new Error('Invalid page request')); - } - - var pageIndex = pageNumber - 1; - if (pageIndex in this.pagePromises) { - return this.pagePromises[pageIndex]; - } - var promise = this.messageHandler.sendWithPromise('GetPage', { - pageIndex: pageIndex - }).then(function (pageInfo) { - var page = new PDFPageProxy(pageIndex, pageInfo, this); - this.pageCache[pageIndex] = page; - return page; - }.bind(this)); - this.pagePromises[pageIndex] = promise; - return promise; - }, - - getPageIndex: function WorkerTransport_getPageIndexByRef(ref) { - return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }); - }, - - getAnnotations: function WorkerTransport_getAnnotations(pageIndex) { - return this.messageHandler.sendWithPromise('GetAnnotations', - { pageIndex: pageIndex }); - }, - - getDestinations: function WorkerTransport_getDestinations() { - return this.messageHandler.sendWithPromise('GetDestinations', null); - }, - - getDestination: function WorkerTransport_getDestination(id) { - return this.messageHandler.sendWithPromise('GetDestination', { id: id } ); - }, - - getAttachments: function WorkerTransport_getAttachments() { - return this.messageHandler.sendWithPromise('GetAttachments', null); - }, - - getJavaScript: function WorkerTransport_getJavaScript() { - return this.messageHandler.sendWithPromise('GetJavaScript', null); - }, - - getOutline: function WorkerTransport_getOutline() { - return this.messageHandler.sendWithPromise('GetOutline', null); - }, - - getMetadata: function WorkerTransport_getMetadata() { - return this.messageHandler.sendWithPromise('GetMetadata', null). - then(function transportMetadata(results) { - return { - info: results[0], - metadata: (results[1] ? new PDFJS.Metadata(results[1]) : null) - }; - }); - }, - - getStats: function WorkerTransport_getStats() { - return this.messageHandler.sendWithPromise('GetStats', null); - }, - - startCleanup: function WorkerTransport_startCleanup() { - this.messageHandler.sendWithPromise('Cleanup', null). - then(function endCleanup() { - for (var i = 0, ii = this.pageCache.length; i < ii; i++) { - var page = this.pageCache[i]; - if (page) { - page.destroy(); - } - } - this.commonObjs.clear(); - FontLoader.clear(); - }.bind(this)); - } - }; - return WorkerTransport; - -})(); - -/** - * A PDF document and page is built of many objects. E.g. there are objects - * for fonts, images, rendering code and such. These objects might get processed - * inside of a worker. The `PDFObjects` implements some basic functions to - * manage these objects. - * @ignore - */ -var PDFObjects = (function PDFObjectsClosure() { - function PDFObjects() { - this.objs = {}; - } - - PDFObjects.prototype = { - /** - * Internal function. - * Ensures there is an object defined for `objId`. - */ - ensureObj: function PDFObjects_ensureObj(objId) { - if (this.objs[objId]) { - return this.objs[objId]; - } - - var obj = { - capability: createPromiseCapability(), - data: null, - resolved: false - }; - this.objs[objId] = obj; - - return obj; - }, - - /** - * If called *without* callback, this returns the data of `objId` but the - * object needs to be resolved. If it isn't, this function throws. - * - * If called *with* a callback, the callback is called with the data of the - * object once the object is resolved. That means, if you call this - * function and the object is already resolved, the callback gets called - * right away. - */ - get: function PDFObjects_get(objId, callback) { - // If there is a callback, then the get can be async and the object is - // not required to be resolved right now - if (callback) { - this.ensureObj(objId).capability.promise.then(callback); - return null; - } - - // If there isn't a callback, the user expects to get the resolved data - // directly. - var obj = this.objs[objId]; - - // If there isn't an object yet or the object isn't resolved, then the - // data isn't ready yet! - if (!obj || !obj.resolved) { - error('Requesting object that isn\'t resolved yet ' + objId); - } - - return obj.data; - }, - - /** - * Resolves the object `objId` with optional `data`. - */ - resolve: function PDFObjects_resolve(objId, data) { - var obj = this.ensureObj(objId); - - obj.resolved = true; - obj.data = data; - obj.capability.resolve(data); - }, - - isResolved: function PDFObjects_isResolved(objId) { - var objs = this.objs; - - if (!objs[objId]) { - return false; - } else { - return objs[objId].resolved; - } - }, - - hasData: function PDFObjects_hasData(objId) { - return this.isResolved(objId); - }, - - /** - * Returns the data of `objId` if object exists, null otherwise. - */ - getData: function PDFObjects_getData(objId) { - var objs = this.objs; - if (!objs[objId] || !objs[objId].resolved) { - return null; - } else { - return objs[objId].data; - } - }, - - clear: function PDFObjects_clear() { - this.objs = {}; - } - }; - return PDFObjects; -})(); - -/** - * Allows controlling of the rendering tasks. - * @class - */ -var RenderTask = (function RenderTaskClosure() { - function RenderTask(internalRenderTask) { - this.internalRenderTask = internalRenderTask; - /** - * Promise for rendering task completion. - * @type {Promise} - */ - this.promise = this.internalRenderTask.capability.promise; - } - - RenderTask.prototype = /** @lends RenderTask.prototype */ { - /** - * Cancels the rendering task. If the task is currently rendering it will - * not be cancelled until graphics pauses with a timeout. The promise that - * this object extends will resolved when cancelled. - */ - cancel: function RenderTask_cancel() { - this.internalRenderTask.cancel(); - }, - - /** - * Registers callback to indicate the rendering task completion. - * - * @param {function} onFulfilled The callback for the rendering completion. - * @param {function} onRejected The callback for the rendering failure. - * @return {Promise} A promise that is resolved after the onFulfilled or - * onRejected callback. - */ - then: function RenderTask_then(onFulfilled, onRejected) { - return this.promise.then(onFulfilled, onRejected); - } - }; - - return RenderTask; -})(); - -/** - * For internal use only. - * @ignore - */ -var InternalRenderTask = (function InternalRenderTaskClosure() { - - function InternalRenderTask(callback, params, objs, commonObjs, operatorList, - pageNumber) { - this.callback = callback; - this.params = params; - this.objs = objs; - this.commonObjs = commonObjs; - this.operatorListIdx = null; - this.operatorList = operatorList; - this.pageNumber = pageNumber; - this.running = false; - this.graphicsReadyCallback = null; - this.graphicsReady = false; - this.cancelled = false; - this.capability = createPromiseCapability(); - // caching this-bound methods - this._continueBound = this._continue.bind(this); - this._scheduleNextBound = this._scheduleNext.bind(this); - this._nextBound = this._next.bind(this); - } - - InternalRenderTask.prototype = { - - initalizeGraphics: - function InternalRenderTask_initalizeGraphics(transparency) { - - if (this.cancelled) { - return; - } - if (PDFJS.pdfBug && 'StepperManager' in globalScope && - globalScope.StepperManager.enabled) { - this.stepper = globalScope.StepperManager.create(this.pageNumber - 1); - this.stepper.init(this.operatorList); - this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint(); - } - - var params = this.params; - this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs, - this.objs, params.imageLayer); - - this.gfx.beginDrawing(params.viewport, transparency); - this.operatorListIdx = 0; - this.graphicsReady = true; - if (this.graphicsReadyCallback) { - this.graphicsReadyCallback(); - } - }, - - cancel: function InternalRenderTask_cancel() { - this.running = false; - this.cancelled = true; - this.callback('cancelled'); - }, - - operatorListChanged: function InternalRenderTask_operatorListChanged() { - if (!this.graphicsReady) { - if (!this.graphicsReadyCallback) { - this.graphicsReadyCallback = this._continueBound; - } - return; - } - - if (this.stepper) { - this.stepper.updateOperatorList(this.operatorList); - } - - if (this.running) { - return; - } - this._continue(); - }, - - _continue: function InternalRenderTask__continue() { - this.running = true; - if (this.cancelled) { - return; - } - if (this.params.continueCallback) { - this.params.continueCallback(this._scheduleNextBound); - } else { - this._scheduleNext(); - } - }, - - _scheduleNext: function InternalRenderTask__scheduleNext() { - window.requestAnimationFrame(this._nextBound); - }, - - _next: function InternalRenderTask__next() { - if (this.cancelled) { - return; - } - this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, - this.operatorListIdx, - this._continueBound, - this.stepper); - if (this.operatorListIdx === this.operatorList.argsArray.length) { - this.running = false; - if (this.operatorList.lastChunk) { - this.gfx.endDrawing(); - this.callback(); - } - } - } - - }; - - return InternalRenderTask; -})(); - - -var Metadata = PDFJS.Metadata = (function MetadataClosure() { - function fixMetadata(meta) { - return meta.replace(/>\\376\\377([^<]+)/g, function(all, codes) { - var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, - function(code, d1, d2, d3) { - return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1); - }); - var chars = ''; - for (var i = 0; i < bytes.length; i += 2) { - var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1); - chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && - code !== 38 && false ? String.fromCharCode(code) : - '&#x' + (0x10000 + code).toString(16).substring(1) + ';'; - } - return '>' + chars; - }); - } - - function Metadata(meta) { - if (typeof meta === 'string') { - // Ghostscript produces invalid metadata - meta = fixMetadata(meta); - - var parser = new DOMParser(); - meta = parser.parseFromString(meta, 'application/xml'); - } else if (!(meta instanceof Document)) { - error('Metadata: Invalid metadata object'); - } - - this.metaDocument = meta; - this.metadata = {}; - this.parse(); - } - - Metadata.prototype = { - parse: function Metadata_parse() { - var doc = this.metaDocument; - var rdf = doc.documentElement; - - if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { // Wrapped in - rdf = rdf.firstChild; - while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') { - rdf = rdf.nextSibling; - } - } - - var nodeName = (rdf) ? rdf.nodeName.toLowerCase() : null; - if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) { - return; - } - - var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength; - for (i = 0, length = children.length; i < length; i++) { - desc = children[i]; - if (desc.nodeName.toLowerCase() !== 'rdf:description') { - continue; - } - - for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) { - if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') { - entry = desc.childNodes[ii]; - name = entry.nodeName.toLowerCase(); - this.metadata[name] = entry.textContent.trim(); - } - } - } - }, - - get: function Metadata_get(name) { - return this.metadata[name] || null; - }, - - has: function Metadata_has(name) { - return typeof this.metadata[name] !== 'undefined'; - } - }; - - return Metadata; -})(); - - -// contexts store most of the state we need natively. -// However, PDF needs a bit more state, which we store here. - -// Minimal font size that would be used during canvas fillText operations. -var MIN_FONT_SIZE = 16; -var MAX_GROUP_SIZE = 4096; - -var COMPILE_TYPE3_GLYPHS = true; - -function createScratchCanvas(width, height) { - var canvas = document.createElement('canvas'); - canvas.width = width; - canvas.height = height; - return canvas; -} - -function addContextCurrentTransform(ctx) { - // If the context doesn't expose a `mozCurrentTransform`, add a JS based on. - if (!ctx.mozCurrentTransform) { - // Store the original context - ctx._scaleX = ctx._scaleX || 1.0; - ctx._scaleY = ctx._scaleY || 1.0; - ctx._originalSave = ctx.save; - ctx._originalRestore = ctx.restore; - ctx._originalRotate = ctx.rotate; - ctx._originalScale = ctx.scale; - ctx._originalTranslate = ctx.translate; - ctx._originalTransform = ctx.transform; - ctx._originalSetTransform = ctx.setTransform; - - ctx._transformMatrix = [ctx._scaleX, 0, 0, ctx._scaleY, 0, 0]; - ctx._transformStack = []; - - Object.defineProperty(ctx, 'mozCurrentTransform', { - get: function getCurrentTransform() { - return this._transformMatrix; - } - }); - - Object.defineProperty(ctx, 'mozCurrentTransformInverse', { - get: function getCurrentTransformInverse() { - // Calculation done using WolframAlpha: - // http://www.wolframalpha.com/input/? - // i=Inverse+{{a%2C+c%2C+e}%2C+{b%2C+d%2C+f}%2C+{0%2C+0%2C+1}} - - var m = this._transformMatrix; - var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5]; - - var ad_bc = a * d - b * c; - var bc_ad = b * c - a * d; - - return [ - d / ad_bc, - b / bc_ad, - c / bc_ad, - a / ad_bc, - (d * e - c * f) / bc_ad, - (b * e - a * f) / ad_bc - ]; - } - }); - - ctx.save = function ctxSave() { - var old = this._transformMatrix; - this._transformStack.push(old); - this._transformMatrix = old.slice(0, 6); - - this._originalSave(); - }; - - ctx.restore = function ctxRestore() { - var prev = this._transformStack.pop(); - if (prev) { - this._transformMatrix = prev; - this._originalRestore(); - } - }; - - ctx.translate = function ctxTranslate(x, y) { - var m = this._transformMatrix; - m[4] = m[0] * x + m[2] * y + m[4]; - m[5] = m[1] * x + m[3] * y + m[5]; - - this._originalTranslate(x, y); - }; - - ctx.scale = function ctxScale(x, y) { - var m = this._transformMatrix; - m[0] = m[0] * x; - m[1] = m[1] * x; - m[2] = m[2] * y; - m[3] = m[3] * y; - - this._originalScale(x, y); - }; - - ctx.transform = function ctxTransform(a, b, c, d, e, f) { - var m = this._transformMatrix; - this._transformMatrix = [ - m[0] * a + m[2] * b, - m[1] * a + m[3] * b, - m[0] * c + m[2] * d, - m[1] * c + m[3] * d, - m[0] * e + m[2] * f + m[4], - m[1] * e + m[3] * f + m[5] - ]; - - ctx._originalTransform(a, b, c, d, e, f); - }; - - ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) { - this._transformMatrix = [a, b, c, d, e, f]; - - ctx._originalSetTransform(a, b, c, d, e, f); - }; - - ctx.rotate = function ctxRotate(angle) { - var cosValue = Math.cos(angle); - var sinValue = Math.sin(angle); - - var m = this._transformMatrix; - this._transformMatrix = [ - m[0] * cosValue + m[2] * sinValue, - m[1] * cosValue + m[3] * sinValue, - m[0] * (-sinValue) + m[2] * cosValue, - m[1] * (-sinValue) + m[3] * cosValue, - m[4], - m[5] - ]; - - this._originalRotate(angle); - }; - } -} - -var CachedCanvases = (function CachedCanvasesClosure() { - var cache = {}; - return { - getCanvas: function CachedCanvases_getCanvas(id, width, height, - trackTransform) { - var canvasEntry; - if (id in cache) { - canvasEntry = cache[id]; - canvasEntry.canvas.width = width; - canvasEntry.canvas.height = height; - // reset canvas transform for emulated mozCurrentTransform, if needed - canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0); - } else { - var canvas = createScratchCanvas(width, height); - var ctx = canvas.getContext('2d'); - if (trackTransform) { - addContextCurrentTransform(ctx); - } - cache[id] = canvasEntry = {canvas: canvas, context: ctx}; - } - return canvasEntry; - }, - clear: function () { - for (var id in cache) { - var canvasEntry = cache[id]; - // Zeroing the width and height causes Firefox to release graphics - // resources immediately, which can greatly reduce memory consumption. - canvasEntry.canvas.width = 0; - canvasEntry.canvas.height = 0; - delete cache[id]; - } - } - }; -})(); - -function compileType3Glyph(imgData) { - var POINT_TO_PROCESS_LIMIT = 1000; - - var width = imgData.width, height = imgData.height; - var i, j, j0, width1 = width + 1; - var points = new Uint8Array(width1 * (height + 1)); - var POINT_TYPES = - new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]); - - // decodes bit-packed mask data - var lineSize = (width + 7) & ~7, data0 = imgData.data; - var data = new Uint8Array(lineSize * height), pos = 0, ii; - for (i = 0, ii = data0.length; i < ii; i++) { - var mask = 128, elem = data0[i]; - while (mask > 0) { - data[pos++] = (elem & mask) ? 0 : 255; - mask >>= 1; - } - } - - // finding iteresting points: every point is located between mask pixels, - // so there will be points of the (width + 1)x(height + 1) grid. Every point - // will have flags assigned based on neighboring mask pixels: - // 4 | 8 - // --P-- - // 2 | 1 - // We are interested only in points with the flags: - // - outside corners: 1, 2, 4, 8; - // - inside corners: 7, 11, 13, 14; - // - and, intersections: 5, 10. - var count = 0; - pos = 0; - if (data[pos] !== 0) { - points[0] = 1; - ++count; - } - for (j = 1; j < width; j++) { - if (data[pos] !== data[pos + 1]) { - points[j] = data[pos] ? 2 : 1; - ++count; - } - pos++; - } - if (data[pos] !== 0) { - points[j] = 2; - ++count; - } - for (i = 1; i < height; i++) { - pos = i * lineSize; - j0 = i * width1; - if (data[pos - lineSize] !== data[pos]) { - points[j0] = data[pos] ? 1 : 8; - ++count; - } - // 'sum' is the position of the current pixel configuration in the 'TYPES' - // array (in order 8-1-2-4, so we can use '>>2' to shift the column). - var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0); - for (j = 1; j < width; j++) { - sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + - (data[pos - lineSize + 1] ? 8 : 0); - if (POINT_TYPES[sum]) { - points[j0 + j] = POINT_TYPES[sum]; - ++count; - } - pos++; - } - if (data[pos - lineSize] !== data[pos]) { - points[j0 + j] = data[pos] ? 2 : 4; - ++count; - } - - if (count > POINT_TO_PROCESS_LIMIT) { - return null; - } - } - - pos = lineSize * (height - 1); - j0 = i * width1; - if (data[pos] !== 0) { - points[j0] = 8; - ++count; - } - for (j = 1; j < width; j++) { - if (data[pos] !== data[pos + 1]) { - points[j0 + j] = data[pos] ? 4 : 8; - ++count; - } - pos++; - } - if (data[pos] !== 0) { - points[j0 + j] = 4; - ++count; - } - if (count > POINT_TO_PROCESS_LIMIT) { - return null; - } - - // building outlines - var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]); - var outlines = []; - for (i = 0; count && i <= height; i++) { - var p = i * width1; - var end = p + width; - while (p < end && !points[p]) { - p++; - } - if (p === end) { - continue; - } - var coords = [p % width1, i]; - - var type = points[p], p0 = p, pp; - do { - var step = steps[type]; - do { - p += step; - } while (!points[p]); - - pp = points[p]; - if (pp !== 5 && pp !== 10) { - // set new direction - type = pp; - // delete mark - points[p] = 0; - } else { // type is 5 or 10, ie, a crossing - // set new direction - type = pp & ((0x33 * type) >> 4); - // set new type for "future hit" - points[p] &= (type >> 2 | type << 2); - } - - coords.push(p % width1); - coords.push((p / width1) | 0); - --count; - } while (p0 !== p); - outlines.push(coords); - --i; - } - - var drawOutline = function(c) { - c.save(); - // the path shall be painted in [0..1]x[0..1] space - c.scale(1 / width, -1 / height); - c.translate(0, -height); - c.beginPath(); - for (var i = 0, ii = outlines.length; i < ii; i++) { - var o = outlines[i]; - c.moveTo(o[0], o[1]); - for (var j = 2, jj = o.length; j < jj; j += 2) { - c.lineTo(o[j], o[j+1]); - } - } - c.fill(); - c.beginPath(); - c.restore(); - }; - - return drawOutline; -} - -var CanvasExtraState = (function CanvasExtraStateClosure() { - function CanvasExtraState(old) { - // Are soft masks and alpha values shapes or opacities? - this.alphaIsShape = false; - this.fontSize = 0; - this.fontSizeScale = 1; - this.textMatrix = IDENTITY_MATRIX; - this.textMatrixScale = 1; - this.fontMatrix = FONT_IDENTITY_MATRIX; - this.leading = 0; - // Current point (in user coordinates) - this.x = 0; - this.y = 0; - // Start of text line (in text coordinates) - this.lineX = 0; - this.lineY = 0; - // Character and word spacing - this.charSpacing = 0; - this.wordSpacing = 0; - this.textHScale = 1; - this.textRenderingMode = TextRenderingMode.FILL; - this.textRise = 0; - // Default fore and background colors - this.fillColor = '#000000'; - this.strokeColor = '#000000'; - // Note: fill alpha applies to all non-stroking operations - this.fillAlpha = 1; - this.strokeAlpha = 1; - this.lineWidth = 1; - this.activeSMask = null; // nonclonable field (see the save method below) - - this.old = old; - } - - CanvasExtraState.prototype = { - clone: function CanvasExtraState_clone() { - return Object.create(this); - }, - setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) { - this.x = x; - this.y = y; - } - }; - return CanvasExtraState; -})(); - -var CanvasGraphics = (function CanvasGraphicsClosure() { - // Defines the time the executeOperatorList is going to be executing - // before it stops and shedules a continue of execution. - var EXECUTION_TIME = 15; - // Defines the number of steps before checking the execution time - var EXECUTION_STEPS = 10; - - function CanvasGraphics(canvasCtx, commonObjs, objs, imageLayer) { - this.ctx = canvasCtx; - this.current = new CanvasExtraState(); - this.stateStack = []; - this.pendingClip = null; - this.pendingEOFill = false; - this.res = null; - this.xobjs = null; - this.commonObjs = commonObjs; - this.objs = objs; - this.imageLayer = imageLayer; - this.groupStack = []; - this.processingType3 = null; - // Patterns are painted relative to the initial page/form transform, see pdf - // spec 8.7.2 NOTE 1. - this.baseTransform = null; - this.baseTransformStack = []; - this.groupLevel = 0; - this.smaskStack = []; - this.smaskCounter = 0; - this.tempSMask = null; - if (canvasCtx) { - addContextCurrentTransform(canvasCtx); - } - } - - function putBinaryImageData(ctx, imgData) { - if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) { - ctx.putImageData(imgData, 0, 0); - return; - } - - // Put the image data to the canvas in chunks, rather than putting the - // whole image at once. This saves JS memory, because the ImageData object - // is smaller. It also possibly saves C++ memory within the implementation - // of putImageData(). (E.g. in Firefox we make two short-lived copies of - // the data passed to putImageData()). |n| shouldn't be too small, however, - // because too many putImageData() calls will slow things down. - // - // Note: as written, if the last chunk is partial, the putImageData() call - // will (conceptually) put pixels past the bounds of the canvas. But - // that's ok; any such pixels are ignored. - - var height = imgData.height, width = imgData.width; - var fullChunkHeight = 16; - var fracChunks = height / fullChunkHeight; - var fullChunks = Math.floor(fracChunks); - var totalChunks = Math.ceil(fracChunks); - var partialChunkHeight = height - fullChunks * fullChunkHeight; - - var chunkImgData = ctx.createImageData(width, fullChunkHeight); - var srcPos = 0, destPos; - var src = imgData.data; - var dest = chunkImgData.data; - var i, j, thisChunkHeight, elemsInThisChunk; - - // There are multiple forms in which the pixel data can be passed, and - // imgData.kind tells us which one this is. - if (imgData.kind === ImageKind.GRAYSCALE_1BPP) { - // Grayscale, 1 bit per pixel (i.e. black-and-white). - var srcLength = src.byteLength; - var dest32 = PDFJS.hasCanvasTypedArrays ? new Uint32Array(dest.buffer) : - new Uint32ArrayView(dest); - var dest32DataLength = dest32.length; - var fullSrcDiff = (width + 7) >> 3; - var white = 0xFFFFFFFF; - var black = (PDFJS.isLittleEndian || !PDFJS.hasCanvasTypedArrays) ? - 0xFF000000 : 0x000000FF; - for (i = 0; i < totalChunks; i++) { - thisChunkHeight = - (i < fullChunks) ? fullChunkHeight : partialChunkHeight; - destPos = 0; - for (j = 0; j < thisChunkHeight; j++) { - var srcDiff = srcLength - srcPos; - var k = 0; - var kEnd = (srcDiff > fullSrcDiff) ? width : srcDiff * 8 - 7; - var kEndUnrolled = kEnd & ~7; - var mask = 0; - var srcByte = 0; - for (; k < kEndUnrolled; k += 8) { - srcByte = src[srcPos++]; - dest32[destPos++] = (srcByte & 128) ? white : black; - dest32[destPos++] = (srcByte & 64) ? white : black; - dest32[destPos++] = (srcByte & 32) ? white : black; - dest32[destPos++] = (srcByte & 16) ? white : black; - dest32[destPos++] = (srcByte & 8) ? white : black; - dest32[destPos++] = (srcByte & 4) ? white : black; - dest32[destPos++] = (srcByte & 2) ? white : black; - dest32[destPos++] = (srcByte & 1) ? white : black; - } - for (; k < kEnd; k++) { - if (mask === 0) { - srcByte = src[srcPos++]; - mask = 128; - } - - dest32[destPos++] = (srcByte & mask) ? white : black; - mask >>= 1; - } - } - // We ran out of input. Make all remaining pixels transparent. - while (destPos < dest32DataLength) { - dest32[destPos++] = 0; - } - - ctx.putImageData(chunkImgData, 0, i * fullChunkHeight); - } - } else if (imgData.kind === ImageKind.RGBA_32BPP) { - // RGBA, 32-bits per pixel. - - j = 0; - elemsInThisChunk = width * fullChunkHeight * 4; - for (i = 0; i < fullChunks; i++) { - dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); - srcPos += elemsInThisChunk; - - ctx.putImageData(chunkImgData, 0, j); - j += fullChunkHeight; - } - if (i < totalChunks) { - elemsInThisChunk = width * partialChunkHeight * 4; - dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); - ctx.putImageData(chunkImgData, 0, j); - } - - } else if (imgData.kind === ImageKind.RGB_24BPP) { - // RGB, 24-bits per pixel. - thisChunkHeight = fullChunkHeight; - elemsInThisChunk = width * thisChunkHeight; - for (i = 0; i < totalChunks; i++) { - if (i >= fullChunks) { - thisChunkHeight =partialChunkHeight; - elemsInThisChunk = width * thisChunkHeight; - } - - destPos = 0; - for (j = elemsInThisChunk; j--;) { - dest[destPos++] = src[srcPos++]; - dest[destPos++] = src[srcPos++]; - dest[destPos++] = src[srcPos++]; - dest[destPos++] = 255; - } - ctx.putImageData(chunkImgData, 0, i * fullChunkHeight); - } - } else { - error('bad image kind: ' + imgData.kind); - } - } - - function putBinaryImageMask(ctx, imgData) { - var height = imgData.height, width = imgData.width; - var fullChunkHeight = 16; - var fracChunks = height / fullChunkHeight; - var fullChunks = Math.floor(fracChunks); - var totalChunks = Math.ceil(fracChunks); - var partialChunkHeight = height - fullChunks * fullChunkHeight; - - var chunkImgData = ctx.createImageData(width, fullChunkHeight); - var srcPos = 0; - var src = imgData.data; - var dest = chunkImgData.data; - - for (var i = 0; i < totalChunks; i++) { - var thisChunkHeight = - (i < fullChunks) ? fullChunkHeight : partialChunkHeight; - - // Expand the mask so it can be used by the canvas. Any required - // inversion has already been handled. - var destPos = 3; // alpha component offset - for (var j = 0; j < thisChunkHeight; j++) { - var mask = 0; - for (var k = 0; k < width; k++) { - if (!mask) { - var elem = src[srcPos++]; - mask = 128; - } - dest[destPos] = (elem & mask) ? 0 : 255; - destPos += 4; - mask >>= 1; - } - } - ctx.putImageData(chunkImgData, 0, i * fullChunkHeight); - } - } - - function copyCtxState(sourceCtx, destCtx) { - var properties = ['strokeStyle', 'fillStyle', 'fillRule', 'globalAlpha', - 'lineWidth', 'lineCap', 'lineJoin', 'miterLimit', - 'globalCompositeOperation', 'font']; - for (var i = 0, ii = properties.length; i < ii; i++) { - var property = properties[i]; - if (property in sourceCtx) { - destCtx[property] = sourceCtx[property]; - } - } - if ('setLineDash' in sourceCtx) { - destCtx.setLineDash(sourceCtx.getLineDash()); - destCtx.lineDashOffset = sourceCtx.lineDashOffset; - } else if ('mozDash' in sourceCtx) { - destCtx.mozDash = sourceCtx.mozDash; - destCtx.mozDashOffset = sourceCtx.mozDashOffset; - } - } - - function composeSMaskBackdrop(bytes, r0, g0, b0) { - var length = bytes.length; - for (var i = 3; i < length; i += 4) { - var alpha = bytes[i]; - if (alpha === 0) { - bytes[i - 3] = r0; - bytes[i - 2] = g0; - bytes[i - 1] = b0; - } else if (alpha < 255) { - var alpha_ = 255 - alpha; - bytes[i - 3] = (bytes[i - 3] * alpha + r0 * alpha_) >> 8; - bytes[i - 2] = (bytes[i - 2] * alpha + g0 * alpha_) >> 8; - bytes[i - 1] = (bytes[i - 1] * alpha + b0 * alpha_) >> 8; - } - } - } - - function composeSMaskAlpha(maskData, layerData) { - var length = maskData.length; - var scale = 1 / 255; - for (var i = 3; i < length; i += 4) { - var alpha = maskData[i]; - layerData[i] = (layerData[i] * alpha * scale) | 0; - } - } - - function composeSMaskLuminosity(maskData, layerData) { - var length = maskData.length; - for (var i = 3; i < length; i += 4) { - var y = ((maskData[i - 3] * 77) + // * 0.3 / 255 * 0x10000 - (maskData[i - 2] * 152) + // * 0.59 .... - (maskData[i - 1] * 28)) | 0; // * 0.11 .... - layerData[i] = (layerData[i] * y) >> 16; - } - } - - function genericComposeSMask(maskCtx, layerCtx, width, height, - subtype, backdrop) { - var hasBackdrop = !!backdrop; - var r0 = hasBackdrop ? backdrop[0] : 0; - var g0 = hasBackdrop ? backdrop[1] : 0; - var b0 = hasBackdrop ? backdrop[2] : 0; - - var composeFn; - if (subtype === 'Luminosity') { - composeFn = composeSMaskLuminosity; - } else { - composeFn = composeSMaskAlpha; - } - - // processing image in chunks to save memory - var PIXELS_TO_PROCESS = 65536; - var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width)); - for (var row = 0; row < height; row += chunkSize) { - var chunkHeight = Math.min(chunkSize, height - row); - var maskData = maskCtx.getImageData(0, row, width, chunkHeight); - var layerData = layerCtx.getImageData(0, row, width, chunkHeight); - - if (hasBackdrop) { - composeSMaskBackdrop(maskData.data, r0, g0, b0); - } - composeFn(maskData.data, layerData.data); - - maskCtx.putImageData(layerData, 0, row); - } - } - - function composeSMask(ctx, smask, layerCtx) { - var mask = smask.canvas; - var maskCtx = smask.context; - - ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, - smask.offsetX, smask.offsetY); - - var backdrop = smask.backdrop || null; - if (WebGLUtils.isEnabled) { - var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask, - {subtype: smask.subtype, backdrop: backdrop}); - ctx.setTransform(1, 0, 0, 1, 0, 0); - ctx.drawImage(composed, smask.offsetX, smask.offsetY); - return; - } - genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, - smask.subtype, backdrop); - ctx.drawImage(mask, 0, 0); - } - - var LINE_CAP_STYLES = ['butt', 'round', 'square']; - var LINE_JOIN_STYLES = ['miter', 'round', 'bevel']; - var NORMAL_CLIP = {}; - var EO_CLIP = {}; - - CanvasGraphics.prototype = { - - beginDrawing: function CanvasGraphics_beginDrawing(viewport, transparency) { - // For pdfs that use blend modes we have to clear the canvas else certain - // blend modes can look wrong since we'd be blending with a white - // backdrop. The problem with a transparent backdrop though is we then - // don't get sub pixel anti aliasing on text, so we fill with white if - // we can. - var width = this.ctx.canvas.width; - var height = this.ctx.canvas.height; - if (transparency) { - this.ctx.clearRect(0, 0, width, height); - } else { - this.ctx.mozOpaque = true; - this.ctx.save(); - this.ctx.fillStyle = 'rgb(255, 255, 255)'; - this.ctx.fillRect(0, 0, width, height); - this.ctx.restore(); - } - - var transform = viewport.transform; - - this.ctx.save(); - this.ctx.transform.apply(this.ctx, transform); - - this.baseTransform = this.ctx.mozCurrentTransform.slice(); - - if (this.imageLayer) { - this.imageLayer.beginLayout(); - } - }, - - executeOperatorList: function CanvasGraphics_executeOperatorList( - operatorList, - executionStartIdx, continueCallback, - stepper) { - var argsArray = operatorList.argsArray; - var fnArray = operatorList.fnArray; - var i = executionStartIdx || 0; - var argsArrayLen = argsArray.length; - - // Sometimes the OperatorList to execute is empty. - if (argsArrayLen === i) { - return i; - } - - var chunkOperations = (argsArrayLen - i > EXECUTION_STEPS && - typeof continueCallback === 'function'); - var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0; - var steps = 0; - - var commonObjs = this.commonObjs; - var objs = this.objs; - var fnId; - - while (true) { - if (stepper !== undefined && i === stepper.nextBreakPoint) { - stepper.breakIt(i, continueCallback); - return i; - } - - fnId = fnArray[i]; - - if (fnId !== OPS.dependency) { - this[fnId].apply(this, argsArray[i]); - } else { - var deps = argsArray[i]; - for (var n = 0, nn = deps.length; n < nn; n++) { - var depObjId = deps[n]; - var common = depObjId[0] === 'g' && depObjId[1] === '_'; - var objsPool = common ? commonObjs : objs; - - // If the promise isn't resolved yet, add the continueCallback - // to the promise and bail out. - if (!objsPool.isResolved(depObjId)) { - objsPool.get(depObjId, continueCallback); - return i; - } - } - } - - i++; - - // If the entire operatorList was executed, stop as were done. - if (i === argsArrayLen) { - return i; - } - - // If the execution took longer then a certain amount of time and - // `continueCallback` is specified, interrupt the execution. - if (chunkOperations && ++steps > EXECUTION_STEPS) { - if (Date.now() > endTime) { - continueCallback(); - return i; - } - steps = 0; - } - - // If the operatorList isn't executed completely yet OR the execution - // time was short enough, do another execution round. - } - }, - - endDrawing: function CanvasGraphics_endDrawing() { - this.ctx.restore(); - CachedCanvases.clear(); - WebGLUtils.clear(); - - if (this.imageLayer) { - this.imageLayer.endLayout(); - } - }, - - // Graphics state - setLineWidth: function CanvasGraphics_setLineWidth(width) { - this.current.lineWidth = width; - this.ctx.lineWidth = width; - }, - setLineCap: function CanvasGraphics_setLineCap(style) { - this.ctx.lineCap = LINE_CAP_STYLES[style]; - }, - setLineJoin: function CanvasGraphics_setLineJoin(style) { - this.ctx.lineJoin = LINE_JOIN_STYLES[style]; - }, - setMiterLimit: function CanvasGraphics_setMiterLimit(limit) { - this.ctx.miterLimit = limit; - }, - setDash: function CanvasGraphics_setDash(dashArray, dashPhase) { - var ctx = this.ctx; - if ('setLineDash' in ctx) { - ctx.setLineDash(dashArray); - ctx.lineDashOffset = dashPhase; - } else { - ctx.mozDash = dashArray; - ctx.mozDashOffset = dashPhase; - } - }, - setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) { - // Maybe if we one day fully support color spaces this will be important - // for now we can ignore. - // TODO set rendering intent? - }, - setFlatness: function CanvasGraphics_setFlatness(flatness) { - // There's no way to control this with canvas, but we can safely ignore. - // TODO set flatness? - }, - setGState: function CanvasGraphics_setGState(states) { - for (var i = 0, ii = states.length; i < ii; i++) { - var state = states[i]; - var key = state[0]; - var value = state[1]; - - switch (key) { - case 'LW': - this.setLineWidth(value); - break; - case 'LC': - this.setLineCap(value); - break; - case 'LJ': - this.setLineJoin(value); - break; - case 'ML': - this.setMiterLimit(value); - break; - case 'D': - this.setDash(value[0], value[1]); - break; - case 'RI': - this.setRenderingIntent(value); - break; - case 'FL': - this.setFlatness(value); - break; - case 'Font': - this.setFont(value[0], value[1]); - break; - case 'CA': - this.current.strokeAlpha = state[1]; - break; - case 'ca': - this.current.fillAlpha = state[1]; - this.ctx.globalAlpha = state[1]; - break; - case 'BM': - if (value && value.name && (value.name !== 'Normal')) { - var mode = value.name.replace(/([A-Z])/g, - function(c) { - return '-' + c.toLowerCase(); - } - ).substring(1); - this.ctx.globalCompositeOperation = mode; - if (this.ctx.globalCompositeOperation !== mode) { - warn('globalCompositeOperation "' + mode + - '" is not supported'); - } - } else { - this.ctx.globalCompositeOperation = 'source-over'; - } - break; - case 'SMask': - if (this.current.activeSMask) { - this.endSMaskGroup(); - } - this.current.activeSMask = value ? this.tempSMask : null; - if (this.current.activeSMask) { - this.beginSMaskGroup(); - } - this.tempSMask = null; - break; - } - } - }, - beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() { - - var activeSMask = this.current.activeSMask; - var drawnWidth = activeSMask.canvas.width; - var drawnHeight = activeSMask.canvas.height; - var cacheId = 'smaskGroupAt' + this.groupLevel; - var scratchCanvas = CachedCanvases.getCanvas( - cacheId, drawnWidth, drawnHeight, true); - - var currentCtx = this.ctx; - var currentTransform = currentCtx.mozCurrentTransform; - this.ctx.save(); - - var groupCtx = scratchCanvas.context; - groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY); - groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY); - groupCtx.transform.apply(groupCtx, currentTransform); - - copyCtxState(currentCtx, groupCtx); - this.ctx = groupCtx; - this.setGState([ - ['BM', 'Normal'], - ['ca', 1], - ['CA', 1] - ]); - this.groupStack.push(currentCtx); - this.groupLevel++; - }, - endSMaskGroup: function CanvasGraphics_endSMaskGroup() { - var groupCtx = this.ctx; - this.groupLevel--; - this.ctx = this.groupStack.pop(); - - composeSMask(this.ctx, this.current.activeSMask, groupCtx); - this.ctx.restore(); - }, - save: function CanvasGraphics_save() { - this.ctx.save(); - var old = this.current; - this.stateStack.push(old); - this.current = old.clone(); - this.current.activeSMask = null; - }, - restore: function CanvasGraphics_restore() { - if (this.stateStack.length !== 0) { - if (this.current.activeSMask !== null) { - this.endSMaskGroup(); - } - - this.current = this.stateStack.pop(); - this.ctx.restore(); - } - }, - transform: function CanvasGraphics_transform(a, b, c, d, e, f) { - this.ctx.transform(a, b, c, d, e, f); - }, - - // Path - constructPath: function CanvasGraphics_constructPath(ops, args) { - var ctx = this.ctx; - var current = this.current; - var x = current.x, y = current.y; - for (var i = 0, j = 0, ii = ops.length; i < ii; i++) { - switch (ops[i] | 0) { - case OPS.rectangle: - x = args[j++]; - y = args[j++]; - var width = args[j++]; - var height = args[j++]; - if (width === 0) { - width = this.getSinglePixelWidth(); - } - if (height === 0) { - height = this.getSinglePixelWidth(); - } - var xw = x + width; - var yh = y + height; - this.ctx.moveTo(x, y); - this.ctx.lineTo(xw, y); - this.ctx.lineTo(xw, yh); - this.ctx.lineTo(x, yh); - this.ctx.lineTo(x, y); - this.ctx.closePath(); - break; - case OPS.moveTo: - x = args[j++]; - y = args[j++]; - ctx.moveTo(x, y); - break; - case OPS.lineTo: - x = args[j++]; - y = args[j++]; - ctx.lineTo(x, y); - break; - case OPS.curveTo: - x = args[j + 4]; - y = args[j + 5]; - ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], - x, y); - j += 6; - break; - case OPS.curveTo2: - ctx.bezierCurveTo(x, y, args[j], args[j + 1], - args[j + 2], args[j + 3]); - x = args[j + 2]; - y = args[j + 3]; - j += 4; - break; - case OPS.curveTo3: - x = args[j + 2]; - y = args[j + 3]; - ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y); - j += 4; - break; - case OPS.closePath: - ctx.closePath(); - break; - } - } - current.setCurrentPoint(x, y); - }, - closePath: function CanvasGraphics_closePath() { - this.ctx.closePath(); - }, - stroke: function CanvasGraphics_stroke(consumePath) { - consumePath = typeof consumePath !== 'undefined' ? consumePath : true; - var ctx = this.ctx; - var strokeColor = this.current.strokeColor; - if (this.current.lineWidth === 0) { - ctx.lineWidth = this.getSinglePixelWidth(); - } - // For stroke we want to temporarily change the global alpha to the - // stroking alpha. - ctx.globalAlpha = this.current.strokeAlpha; - if (strokeColor && strokeColor.hasOwnProperty('type') && - strokeColor.type === 'Pattern') { - // for patterns, we transform to pattern space, calculate - // the pattern, call stroke, and restore to user space - ctx.save(); - ctx.strokeStyle = strokeColor.getPattern(ctx, this); - ctx.stroke(); - ctx.restore(); - } else { - ctx.stroke(); - } - if (consumePath) { - this.consumePath(); - } - // Restore the global alpha to the fill alpha - ctx.globalAlpha = this.current.fillAlpha; - }, - closeStroke: function CanvasGraphics_closeStroke() { - this.closePath(); - this.stroke(); - }, - fill: function CanvasGraphics_fill(consumePath) { - consumePath = typeof consumePath !== 'undefined' ? consumePath : true; - var ctx = this.ctx; - var fillColor = this.current.fillColor; - var needRestore = false; - - if (fillColor && fillColor.hasOwnProperty('type') && - fillColor.type === 'Pattern') { - ctx.save(); - ctx.fillStyle = fillColor.getPattern(ctx, this); - needRestore = true; - } - - if (this.pendingEOFill) { - if (ctx.mozFillRule !== undefined) { - ctx.mozFillRule = 'evenodd'; - ctx.fill(); - ctx.mozFillRule = 'nonzero'; - } else { - try { - ctx.fill('evenodd'); - } catch (ex) { - // shouldn't really happen, but browsers might think differently - ctx.fill(); - } - } - this.pendingEOFill = false; - } else { - ctx.fill(); - } - - if (needRestore) { - ctx.restore(); - } - if (consumePath) { - this.consumePath(); - } - }, - eoFill: function CanvasGraphics_eoFill() { - this.pendingEOFill = true; - this.fill(); - }, - fillStroke: function CanvasGraphics_fillStroke() { - this.fill(false); - this.stroke(false); - - this.consumePath(); - }, - eoFillStroke: function CanvasGraphics_eoFillStroke() { - this.pendingEOFill = true; - this.fillStroke(); - }, - closeFillStroke: function CanvasGraphics_closeFillStroke() { - this.closePath(); - this.fillStroke(); - }, - closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() { - this.pendingEOFill = true; - this.closePath(); - this.fillStroke(); - }, - endPath: function CanvasGraphics_endPath() { - this.consumePath(); - }, - - // Clipping - clip: function CanvasGraphics_clip() { - this.pendingClip = NORMAL_CLIP; - }, - eoClip: function CanvasGraphics_eoClip() { - this.pendingClip = EO_CLIP; - }, - - // Text - beginText: function CanvasGraphics_beginText() { - this.current.textMatrix = IDENTITY_MATRIX; - this.current.textMatrixScale = 1; - this.current.x = this.current.lineX = 0; - this.current.y = this.current.lineY = 0; - }, - endText: function CanvasGraphics_endText() { - var paths = this.pendingTextPaths; - var ctx = this.ctx; - if (paths === undefined) { - ctx.beginPath(); - return; - } - - ctx.save(); - ctx.beginPath(); - for (var i = 0; i < paths.length; i++) { - var path = paths[i]; - ctx.setTransform.apply(ctx, path.transform); - ctx.translate(path.x, path.y); - path.addToPath(ctx, path.fontSize); - } - ctx.restore(); - ctx.clip(); - ctx.beginPath(); - delete this.pendingTextPaths; - }, - setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) { - this.current.charSpacing = spacing; - }, - setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) { - this.current.wordSpacing = spacing; - }, - setHScale: function CanvasGraphics_setHScale(scale) { - this.current.textHScale = scale / 100; - }, - setLeading: function CanvasGraphics_setLeading(leading) { - this.current.leading = -leading; - }, - setFont: function CanvasGraphics_setFont(fontRefName, size) { - var fontObj = this.commonObjs.get(fontRefName); - var current = this.current; - - if (!fontObj) { - error('Can\'t find font for ' + fontRefName); - } - - current.fontMatrix = (fontObj.fontMatrix ? - fontObj.fontMatrix : FONT_IDENTITY_MATRIX); - - // A valid matrix needs all main diagonal elements to be non-zero - // This also ensures we bypass FF bugzilla bug #719844. - if (current.fontMatrix[0] === 0 || - current.fontMatrix[3] === 0) { - warn('Invalid font matrix for font ' + fontRefName); - } - - // The spec for Tf (setFont) says that 'size' specifies the font 'scale', - // and in some docs this can be negative (inverted x-y axes). - if (size < 0) { - size = -size; - current.fontDirection = -1; - } else { - current.fontDirection = 1; - } - - this.current.font = fontObj; - this.current.fontSize = size; - - if (fontObj.isType3Font) { - return; // we don't need ctx.font for Type3 fonts - } - - var name = fontObj.loadedName || 'sans-serif'; - var bold = fontObj.black ? (fontObj.bold ? 'bolder' : 'bold') : - (fontObj.bold ? 'bold' : 'normal'); - - var italic = fontObj.italic ? 'italic' : 'normal'; - var typeface = '"' + name + '", ' + fontObj.fallbackName; - - // Some font backends cannot handle fonts below certain size. - // Keeping the font at minimal size and using the fontSizeScale to change - // the current transformation matrix before the fillText/strokeText. - // See https://bugzilla.mozilla.org/show_bug.cgi?id=726227 - var browserFontSize = size >= MIN_FONT_SIZE ? size : MIN_FONT_SIZE; - this.current.fontSizeScale = browserFontSize !== MIN_FONT_SIZE ? 1.0 : - size / MIN_FONT_SIZE; - - var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface; - this.ctx.font = rule; - }, - setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) { - this.current.textRenderingMode = mode; - }, - setTextRise: function CanvasGraphics_setTextRise(rise) { - this.current.textRise = rise; - }, - moveText: function CanvasGraphics_moveText(x, y) { - this.current.x = this.current.lineX += x; - this.current.y = this.current.lineY += y; - }, - setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) { - this.setLeading(-y); - this.moveText(x, y); - }, - setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) { - this.current.textMatrix = [a, b, c, d, e, f]; - this.current.textMatrixScale = Math.sqrt(a * a + b * b); - - this.current.x = this.current.lineX = 0; - this.current.y = this.current.lineY = 0; - }, - nextLine: function CanvasGraphics_nextLine() { - this.moveText(0, this.current.leading); - }, - - paintChar: function CanvasGraphics_paintChar(character, x, y) { - var ctx = this.ctx; - var current = this.current; - var font = current.font; - var textRenderingMode = current.textRenderingMode; - var fontSize = current.fontSize / current.fontSizeScale; - var fillStrokeMode = textRenderingMode & - TextRenderingMode.FILL_STROKE_MASK; - var isAddToPathSet = !!(textRenderingMode & - TextRenderingMode.ADD_TO_PATH_FLAG); - - var addToPath; - if (font.disableFontFace || isAddToPathSet) { - addToPath = font.getPathGenerator(this.commonObjs, character); - } - - if (font.disableFontFace) { - ctx.save(); - ctx.translate(x, y); - ctx.beginPath(); - addToPath(ctx, fontSize); - if (fillStrokeMode === TextRenderingMode.FILL || - fillStrokeMode === TextRenderingMode.FILL_STROKE) { - ctx.fill(); - } - if (fillStrokeMode === TextRenderingMode.STROKE || - fillStrokeMode === TextRenderingMode.FILL_STROKE) { - ctx.stroke(); - } - ctx.restore(); - } else { - if (fillStrokeMode === TextRenderingMode.FILL || - fillStrokeMode === TextRenderingMode.FILL_STROKE) { - ctx.fillText(character, x, y); - } - if (fillStrokeMode === TextRenderingMode.STROKE || - fillStrokeMode === TextRenderingMode.FILL_STROKE) { - ctx.strokeText(character, x, y); - } - } - - if (isAddToPathSet) { - var paths = this.pendingTextPaths || (this.pendingTextPaths = []); - paths.push({ - transform: ctx.mozCurrentTransform, - x: x, - y: y, - fontSize: fontSize, - addToPath: addToPath - }); - } - }, - - get isFontSubpixelAAEnabled() { - // Checks if anti-aliasing is enabled when scaled text is painted. - // On Windows GDI scaled fonts looks bad. - var ctx = document.createElement('canvas').getContext('2d'); - ctx.scale(1.5, 1); - ctx.fillText('I', 0, 10); - var data = ctx.getImageData(0, 0, 10, 10).data; - var enabled = false; - for (var i = 3; i < data.length; i += 4) { - if (data[i] > 0 && data[i] < 255) { - enabled = true; - break; - } - } - return shadow(this, 'isFontSubpixelAAEnabled', enabled); - }, - - showText: function CanvasGraphics_showText(glyphs) { - var current = this.current; - var font = current.font; - if (font.isType3Font) { - return this.showType3Text(glyphs); - } - - var fontSize = current.fontSize; - if (fontSize === 0) { - return; - } - - var ctx = this.ctx; - var fontSizeScale = current.fontSizeScale; - var charSpacing = current.charSpacing; - var wordSpacing = current.wordSpacing; - var fontDirection = current.fontDirection; - var textHScale = current.textHScale * fontDirection; - var glyphsLength = glyphs.length; - var vertical = font.vertical; - var defaultVMetrics = font.defaultVMetrics; - var widthAdvanceScale = fontSize * current.fontMatrix[0]; - - var simpleFillText = - current.textRenderingMode === TextRenderingMode.FILL && - !font.disableFontFace; - - ctx.save(); - ctx.transform.apply(ctx, current.textMatrix); - ctx.translate(current.x, current.y + current.textRise); - - if (fontDirection > 0) { - ctx.scale(textHScale, -1); - } else { - ctx.scale(textHScale, 1); - } - - var lineWidth = current.lineWidth; - var scale = current.textMatrixScale; - if (scale === 0 || lineWidth === 0) { - lineWidth = this.getSinglePixelWidth(); - } else { - lineWidth /= scale; - } - - if (fontSizeScale !== 1.0) { - ctx.scale(fontSizeScale, fontSizeScale); - lineWidth /= fontSizeScale; - } - - ctx.lineWidth = lineWidth; - - var x = 0, i; - for (i = 0; i < glyphsLength; ++i) { - var glyph = glyphs[i]; - if (glyph === null) { - // word break - x += fontDirection * wordSpacing; - continue; - } else if (isNum(glyph)) { - x += -glyph * fontSize * 0.001; - continue; - } - - var restoreNeeded = false; - var character = glyph.fontChar; - var accent = glyph.accent; - var scaledX, scaledY, scaledAccentX, scaledAccentY; - var width = glyph.width; - if (vertical) { - var vmetric, vx, vy; - vmetric = glyph.vmetric || defaultVMetrics; - vx = glyph.vmetric ? vmetric[1] : width * 0.5; - vx = -vx * widthAdvanceScale; - vy = vmetric[2] * widthAdvanceScale; - - width = vmetric ? -vmetric[0] : width; - scaledX = vx / fontSizeScale; - scaledY = (x + vy) / fontSizeScale; - } else { - scaledX = x / fontSizeScale; - scaledY = 0; - } - - if (font.remeasure && width > 0 && this.isFontSubpixelAAEnabled) { - // some standard fonts may not have the exact width, trying to - // rescale per character - var measuredWidth = ctx.measureText(character).width * 1000 / - fontSize * fontSizeScale; - var characterScaleX = width / measuredWidth; - restoreNeeded = true; - ctx.save(); - ctx.scale(characterScaleX, 1); - scaledX /= characterScaleX; - } - - if (simpleFillText && !accent) { - // common case - ctx.fillText(character, scaledX, scaledY); - } else { - this.paintChar(character, scaledX, scaledY); - if (accent) { - scaledAccentX = scaledX + accent.offset.x / fontSizeScale; - scaledAccentY = scaledY - accent.offset.y / fontSizeScale; - this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY); - } - } - - var charWidth = width * widthAdvanceScale + charSpacing * fontDirection; - x += charWidth; - - if (restoreNeeded) { - ctx.restore(); - } - } - if (vertical) { - current.y -= x * textHScale; - } else { - current.x += x * textHScale; - } - ctx.restore(); - }, - - showType3Text: function CanvasGraphics_showType3Text(glyphs) { - // Type3 fonts - each glyph is a "mini-PDF" - var ctx = this.ctx; - var current = this.current; - var font = current.font; - var fontSize = current.fontSize; - var fontDirection = current.fontDirection; - var charSpacing = current.charSpacing; - var wordSpacing = current.wordSpacing; - var textHScale = current.textHScale * fontDirection; - var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX; - var glyphsLength = glyphs.length; - var i, glyph, width; - - if (fontSize === 0) { - return; - } - - ctx.save(); - ctx.transform.apply(ctx, current.textMatrix); - ctx.translate(current.x, current.y); - - ctx.scale(textHScale, fontDirection); - - for (i = 0; i < glyphsLength; ++i) { - glyph = glyphs[i]; - if (glyph === null) { - // word break - this.ctx.translate(wordSpacing, 0); - current.x += wordSpacing * textHScale; - continue; - } else if (isNum(glyph)) { - var spacingLength = -glyph * 0.001 * fontSize; - this.ctx.translate(spacingLength, 0); - current.x += spacingLength * textHScale; - continue; - } - - var operatorList = font.charProcOperatorList[glyph.operatorListId]; - if (!operatorList) { - warn('Type3 character \"' + glyph.operatorListId + - '\" is not available'); - continue; - } - this.processingType3 = glyph; - this.save(); - ctx.scale(fontSize, fontSize); - ctx.transform.apply(ctx, fontMatrix); - this.executeOperatorList(operatorList); - this.restore(); - - var transformed = Util.applyTransform([glyph.width, 0], fontMatrix); - width = transformed[0] * fontSize + charSpacing; - - ctx.translate(width, 0); - current.x += width * textHScale; - } - ctx.restore(); - this.processingType3 = null; - }, - - // Type3 fonts - setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) { - // We can safely ignore this since the width should be the same - // as the width in the Widths array. - }, - setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, - yWidth, - llx, - lly, - urx, - ury) { - // TODO According to the spec we're also suppose to ignore any operators - // that set color or include images while processing this type3 font. - this.ctx.rect(llx, lly, urx - llx, ury - lly); - this.clip(); - this.endPath(); - }, - - // Color - getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) { - var pattern; - if (IR[0] === 'TilingPattern') { - var color = IR[1]; - pattern = new TilingPattern(IR, color, this.ctx, this.objs, - this.commonObjs, this.baseTransform); - } else { - pattern = getShadingPatternFromIR(IR); - } - return pattern; - }, - setStrokeColorN: function CanvasGraphics_setStrokeColorN(/*...*/) { - this.current.strokeColor = this.getColorN_Pattern(arguments); - }, - setFillColorN: function CanvasGraphics_setFillColorN(/*...*/) { - this.current.fillColor = this.getColorN_Pattern(arguments); - }, - setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) { - var color = Util.makeCssRgb(arguments); - this.ctx.strokeStyle = color; - this.current.strokeColor = color; - }, - setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) { - var color = Util.makeCssRgb(arguments); - this.ctx.fillStyle = color; - this.current.fillColor = color; - }, - - shadingFill: function CanvasGraphics_shadingFill(patternIR) { - var ctx = this.ctx; - - this.save(); - var pattern = getShadingPatternFromIR(patternIR); - ctx.fillStyle = pattern.getPattern(ctx, this, true); - - var inv = ctx.mozCurrentTransformInverse; - if (inv) { - var canvas = ctx.canvas; - var width = canvas.width; - var height = canvas.height; - - var bl = Util.applyTransform([0, 0], inv); - var br = Util.applyTransform([0, height], inv); - var ul = Util.applyTransform([width, 0], inv); - var ur = Util.applyTransform([width, height], inv); - - var x0 = Math.min(bl[0], br[0], ul[0], ur[0]); - var y0 = Math.min(bl[1], br[1], ul[1], ur[1]); - var x1 = Math.max(bl[0], br[0], ul[0], ur[0]); - var y1 = Math.max(bl[1], br[1], ul[1], ur[1]); - - this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0); - } else { - // HACK to draw the gradient onto an infinite rectangle. - // PDF gradients are drawn across the entire image while - // Canvas only allows gradients to be drawn in a rectangle - // The following bug should allow us to remove this. - // https://bugzilla.mozilla.org/show_bug.cgi?id=664884 - - this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10); - } - - this.restore(); - }, - - // Images - beginInlineImage: function CanvasGraphics_beginInlineImage() { - error('Should not call beginInlineImage'); - }, - beginImageData: function CanvasGraphics_beginImageData() { - error('Should not call beginImageData'); - }, - - paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, - bbox) { - this.save(); - this.baseTransformStack.push(this.baseTransform); - - if (isArray(matrix) && 6 === matrix.length) { - this.transform.apply(this, matrix); - } - - this.baseTransform = this.ctx.mozCurrentTransform; - - if (isArray(bbox) && 4 === bbox.length) { - var width = bbox[2] - bbox[0]; - var height = bbox[3] - bbox[1]; - this.ctx.rect(bbox[0], bbox[1], width, height); - this.clip(); - this.endPath(); - } - }, - - paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() { - this.restore(); - this.baseTransform = this.baseTransformStack.pop(); - }, - - beginGroup: function CanvasGraphics_beginGroup(group) { - this.save(); - var currentCtx = this.ctx; - // TODO non-isolated groups - according to Rik at adobe non-isolated - // group results aren't usually that different and they even have tools - // that ignore this setting. Notes from Rik on implmenting: - // - When you encounter an transparency group, create a new canvas with - // the dimensions of the bbox - // - copy the content from the previous canvas to the new canvas - // - draw as usual - // - remove the backdrop alpha: - // alphaNew = 1 - (1 - alpha)/(1 - alphaBackdrop) with 'alpha' the alpha - // value of your transparency group and 'alphaBackdrop' the alpha of the - // backdrop - // - remove background color: - // colorNew = color - alphaNew *colorBackdrop /(1 - alphaNew) - if (!group.isolated) { - info('TODO: Support non-isolated groups.'); - } - - // TODO knockout - supposedly possible with the clever use of compositing - // modes. - if (group.knockout) { - warn('Knockout groups not supported.'); - } - - var currentTransform = currentCtx.mozCurrentTransform; - if (group.matrix) { - currentCtx.transform.apply(currentCtx, group.matrix); - } - assert(group.bbox, 'Bounding box is required.'); - - // Based on the current transform figure out how big the bounding box - // will actually be. - var bounds = Util.getAxialAlignedBoundingBox( - group.bbox, - currentCtx.mozCurrentTransform); - // Clip the bounding box to the current canvas. - var canvasBounds = [0, - 0, - currentCtx.canvas.width, - currentCtx.canvas.height]; - bounds = Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0]; - // Use ceil in case we're between sizes so we don't create canvas that is - // too small and make the canvas at least 1x1 pixels. - var offsetX = Math.floor(bounds[0]); - var offsetY = Math.floor(bounds[1]); - var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1); - var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1); - var scaleX = 1, scaleY = 1; - if (drawnWidth > MAX_GROUP_SIZE) { - scaleX = drawnWidth / MAX_GROUP_SIZE; - drawnWidth = MAX_GROUP_SIZE; - } - if (drawnHeight > MAX_GROUP_SIZE) { - scaleY = drawnHeight / MAX_GROUP_SIZE; - drawnHeight = MAX_GROUP_SIZE; - } - - var cacheId = 'groupAt' + this.groupLevel; - if (group.smask) { - // Using two cache entries is case if masks are used one after another. - cacheId += '_smask_' + ((this.smaskCounter++) % 2); - } - var scratchCanvas = CachedCanvases.getCanvas( - cacheId, drawnWidth, drawnHeight, true); - var groupCtx = scratchCanvas.context; - - // Since we created a new canvas that is just the size of the bounding box - // we have to translate the group ctx. - groupCtx.scale(1 / scaleX, 1 / scaleY); - groupCtx.translate(-offsetX, -offsetY); - groupCtx.transform.apply(groupCtx, currentTransform); - - if (group.smask) { - // Saving state and cached mask to be used in setGState. - this.smaskStack.push({ - canvas: scratchCanvas.canvas, - context: groupCtx, - offsetX: offsetX, - offsetY: offsetY, - scaleX: scaleX, - scaleY: scaleY, - subtype: group.smask.subtype, - backdrop: group.smask.backdrop - }); - } else { - // Setup the current ctx so when the group is popped we draw it at the - // right location. - currentCtx.setTransform(1, 0, 0, 1, 0, 0); - currentCtx.translate(offsetX, offsetY); - currentCtx.scale(scaleX, scaleY); - } - // The transparency group inherits all off the current graphics state - // except the blend mode, soft mask, and alpha constants. - copyCtxState(currentCtx, groupCtx); - this.ctx = groupCtx; - this.setGState([ - ['BM', 'Normal'], - ['ca', 1], - ['CA', 1] - ]); - this.groupStack.push(currentCtx); - this.groupLevel++; - }, - - endGroup: function CanvasGraphics_endGroup(group) { - this.groupLevel--; - var groupCtx = this.ctx; - this.ctx = this.groupStack.pop(); - // Turn off image smoothing to avoid sub pixel interpolation which can - // look kind of blurry for some pdfs. - if (this.ctx.imageSmoothingEnabled !== undefined) { - this.ctx.imageSmoothingEnabled = false; - } else { - this.ctx.mozImageSmoothingEnabled = false; - } - if (group.smask) { - this.tempSMask = this.smaskStack.pop(); - } else { - this.ctx.drawImage(groupCtx.canvas, 0, 0); - } - this.restore(); - }, - - beginAnnotations: function CanvasGraphics_beginAnnotations() { - this.save(); - this.current = new CanvasExtraState(); - }, - - endAnnotations: function CanvasGraphics_endAnnotations() { - this.restore(); - }, - - beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, - matrix) { - this.save(); - - if (isArray(rect) && 4 === rect.length) { - var width = rect[2] - rect[0]; - var height = rect[3] - rect[1]; - this.ctx.rect(rect[0], rect[1], width, height); - this.clip(); - this.endPath(); - } - - this.transform.apply(this, transform); - this.transform.apply(this, matrix); - }, - - endAnnotation: function CanvasGraphics_endAnnotation() { - this.restore(); - }, - - paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) { - var domImage = this.objs.get(objId); - if (!domImage) { - warn('Dependent image isn\'t ready yet'); - return; - } - - this.save(); - - var ctx = this.ctx; - // scale the image to the unit square - ctx.scale(1 / w, -1 / h); - - ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, - 0, -h, w, h); - if (this.imageLayer) { - var currentTransform = ctx.mozCurrentTransformInverse; - var position = this.getCanvasPosition(0, 0); - this.imageLayer.appendImage({ - objId: objId, - left: position[0], - top: position[1], - width: w / currentTransform[0], - height: h / currentTransform[3] - }); - } - this.restore(); - }, - - paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) { - var ctx = this.ctx; - var width = img.width, height = img.height; - - var glyph = this.processingType3; - - if (COMPILE_TYPE3_GLYPHS && glyph && !('compiled' in glyph)) { - var MAX_SIZE_TO_COMPILE = 1000; - if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) { - glyph.compiled = - compileType3Glyph({data: img.data, width: width, height: height}); - } else { - glyph.compiled = null; - } - } - - if (glyph && glyph.compiled) { - glyph.compiled(ctx); - return; - } - - var maskCanvas = CachedCanvases.getCanvas('maskCanvas', width, height); - var maskCtx = maskCanvas.context; - maskCtx.save(); - - putBinaryImageMask(maskCtx, img); - - maskCtx.globalCompositeOperation = 'source-in'; - - var fillColor = this.current.fillColor; - maskCtx.fillStyle = (fillColor && fillColor.hasOwnProperty('type') && - fillColor.type === 'Pattern') ? - fillColor.getPattern(maskCtx, this) : fillColor; - maskCtx.fillRect(0, 0, width, height); - - maskCtx.restore(); - - this.paintInlineImageXObject(maskCanvas.canvas); - }, - - paintImageMaskXObjectRepeat: - function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, - scaleY, positions) { - var width = imgData.width; - var height = imgData.height; - var ctx = this.ctx; - - var maskCanvas = CachedCanvases.getCanvas('maskCanvas', width, height); - var maskCtx = maskCanvas.context; - maskCtx.save(); - - putBinaryImageMask(maskCtx, imgData); - - maskCtx.globalCompositeOperation = 'source-in'; - - var fillColor = this.current.fillColor; - maskCtx.fillStyle = (fillColor && fillColor.hasOwnProperty('type') && - fillColor.type === 'Pattern') ? - fillColor.getPattern(maskCtx, this) : fillColor; - maskCtx.fillRect(0, 0, width, height); - - maskCtx.restore(); - - for (var i = 0, ii = positions.length; i < ii; i += 2) { - ctx.save(); - ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]); - ctx.scale(1, -1); - ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, - 0, -1, 1, 1); - ctx.restore(); - } - }, - - paintImageMaskXObjectGroup: - function CanvasGraphics_paintImageMaskXObjectGroup(images) { - var ctx = this.ctx; - - for (var i = 0, ii = images.length; i < ii; i++) { - var image = images[i]; - var width = image.width, height = image.height; - - var maskCanvas = CachedCanvases.getCanvas('maskCanvas', width, height); - var maskCtx = maskCanvas.context; - maskCtx.save(); - - putBinaryImageMask(maskCtx, image); - - maskCtx.globalCompositeOperation = 'source-in'; - - var fillColor = this.current.fillColor; - maskCtx.fillStyle = (fillColor && fillColor.hasOwnProperty('type') && - fillColor.type === 'Pattern') ? - fillColor.getPattern(maskCtx, this) : fillColor; - maskCtx.fillRect(0, 0, width, height); - - maskCtx.restore(); - - ctx.save(); - ctx.transform.apply(ctx, image.transform); - ctx.scale(1, -1); - ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, - 0, -1, 1, 1); - ctx.restore(); - } - }, - - paintImageXObject: function CanvasGraphics_paintImageXObject(objId) { - var imgData = this.objs.get(objId); - if (!imgData) { - warn('Dependent image isn\'t ready yet'); - return; - } - - this.paintInlineImageXObject(imgData); - }, - - paintImageXObjectRepeat: - function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, - positions) { - var imgData = this.objs.get(objId); - if (!imgData) { - warn('Dependent image isn\'t ready yet'); - return; - } - - var width = imgData.width; - var height = imgData.height; - var map = []; - for (var i = 0, ii = positions.length; i < ii; i += 2) { - map.push({transform: [scaleX, 0, 0, scaleY, positions[i], - positions[i + 1]], x: 0, y: 0, w: width, h: height}); - } - this.paintInlineImageXObjectGroup(imgData, map); - }, - - paintInlineImageXObject: - function CanvasGraphics_paintInlineImageXObject(imgData) { - var width = imgData.width; - var height = imgData.height; - var ctx = this.ctx; - - this.save(); - // scale the image to the unit square - ctx.scale(1 / width, -1 / height); - - var currentTransform = ctx.mozCurrentTransformInverse; - var a = currentTransform[0], b = currentTransform[1]; - var widthScale = Math.max(Math.sqrt(a * a + b * b), 1); - var c = currentTransform[2], d = currentTransform[3]; - var heightScale = Math.max(Math.sqrt(c * c + d * d), 1); - - var imgToPaint, tmpCanvas; - // instanceof HTMLElement does not work in jsdom node.js module - if (imgData instanceof HTMLElement || !imgData.data) { - imgToPaint = imgData; - } else { - tmpCanvas = CachedCanvases.getCanvas('inlineImage', width, height); - var tmpCtx = tmpCanvas.context; - putBinaryImageData(tmpCtx, imgData); - imgToPaint = tmpCanvas.canvas; - } - - var paintWidth = width, paintHeight = height; - var tmpCanvasId = 'prescale1'; - // Vertial or horizontal scaling shall not be more than 2 to not loose the - // pixels during drawImage operation, painting on the temporary canvas(es) - // that are twice smaller in size - while ((widthScale > 2 && paintWidth > 1) || - (heightScale > 2 && paintHeight > 1)) { - var newWidth = paintWidth, newHeight = paintHeight; - if (widthScale > 2 && paintWidth > 1) { - newWidth = Math.ceil(paintWidth / 2); - widthScale /= paintWidth / newWidth; - } - if (heightScale > 2 && paintHeight > 1) { - newHeight = Math.ceil(paintHeight / 2); - heightScale /= paintHeight / newHeight; - } - tmpCanvas = CachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight); - tmpCtx = tmpCanvas.context; - tmpCtx.clearRect(0, 0, newWidth, newHeight); - tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, - 0, 0, newWidth, newHeight); - imgToPaint = tmpCanvas.canvas; - paintWidth = newWidth; - paintHeight = newHeight; - tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1'; - } - ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, - 0, -height, width, height); - - if (this.imageLayer) { - var position = this.getCanvasPosition(0, -height); - this.imageLayer.appendImage({ - imgData: imgData, - left: position[0], - top: position[1], - width: width / currentTransform[0], - height: height / currentTransform[3] - }); - } - this.restore(); - }, - - paintInlineImageXObjectGroup: - function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) { - var ctx = this.ctx; - var w = imgData.width; - var h = imgData.height; - - var tmpCanvas = CachedCanvases.getCanvas('inlineImage', w, h); - var tmpCtx = tmpCanvas.context; - putBinaryImageData(tmpCtx, imgData); - - for (var i = 0, ii = map.length; i < ii; i++) { - var entry = map[i]; - ctx.save(); - ctx.transform.apply(ctx, entry.transform); - ctx.scale(1, -1); - ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, - 0, -1, 1, 1); - if (this.imageLayer) { - var position = this.getCanvasPosition(entry.x, entry.y); - this.imageLayer.appendImage({ - imgData: imgData, - left: position[0], - top: position[1], - width: w, - height: h - }); - } - ctx.restore(); - } - }, - - paintSolidColorImageMask: - function CanvasGraphics_paintSolidColorImageMask() { - this.ctx.fillRect(0, 0, 1, 1); - }, - - // Marked content - - markPoint: function CanvasGraphics_markPoint(tag) { - // TODO Marked content. - }, - markPointProps: function CanvasGraphics_markPointProps(tag, properties) { - // TODO Marked content. - }, - beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) { - // TODO Marked content. - }, - beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps( - tag, properties) { - // TODO Marked content. - }, - endMarkedContent: function CanvasGraphics_endMarkedContent() { - // TODO Marked content. - }, - - // Compatibility - - beginCompat: function CanvasGraphics_beginCompat() { - // TODO ignore undefined operators (should we do that anyway?) - }, - endCompat: function CanvasGraphics_endCompat() { - // TODO stop ignoring undefined operators - }, - - // Helper functions - - consumePath: function CanvasGraphics_consumePath() { - var ctx = this.ctx; - if (this.pendingClip) { - if (this.pendingClip === EO_CLIP) { - if (ctx.mozFillRule !== undefined) { - ctx.mozFillRule = 'evenodd'; - ctx.clip(); - ctx.mozFillRule = 'nonzero'; - } else { - try { - ctx.clip('evenodd'); - } catch (ex) { - // shouldn't really happen, but browsers might think differently - ctx.clip(); - } - } - } else { - ctx.clip(); - } - this.pendingClip = null; - } - ctx.beginPath(); - }, - getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) { - var inverse = this.ctx.mozCurrentTransformInverse; - // max of the current horizontal and vertical scale - return Math.sqrt(Math.max( - (inverse[0] * inverse[0] + inverse[1] * inverse[1]), - (inverse[2] * inverse[2] + inverse[3] * inverse[3]))); - }, - getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) { - var transform = this.ctx.mozCurrentTransform; - return [ - transform[0] * x + transform[2] * y + transform[4], - transform[1] * x + transform[3] * y + transform[5] - ]; - } - }; - - for (var op in OPS) { - CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op]; - } - - return CanvasGraphics; -})(); - - - -var WebGLUtils = (function WebGLUtilsClosure() { - function loadShader(gl, code, shaderType) { - var shader = gl.createShader(shaderType); - gl.shaderSource(shader, code); - gl.compileShader(shader); - var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS); - if (!compiled) { - var errorMsg = gl.getShaderInfoLog(shader); - throw new Error('Error during shader compilation: ' + errorMsg); - } - return shader; - } - function createVertexShader(gl, code) { - return loadShader(gl, code, gl.VERTEX_SHADER); - } - function createFragmentShader(gl, code) { - return loadShader(gl, code, gl.FRAGMENT_SHADER); - } - function createProgram(gl, shaders) { - var program = gl.createProgram(); - for (var i = 0, ii = shaders.length; i < ii; ++i) { - gl.attachShader(program, shaders[i]); - } - gl.linkProgram(program); - var linked = gl.getProgramParameter(program, gl.LINK_STATUS); - if (!linked) { - var errorMsg = gl.getProgramInfoLog(program); - throw new Error('Error during program linking: ' + errorMsg); - } - return program; - } - function createTexture(gl, image, textureId) { - gl.activeTexture(textureId); - var texture = gl.createTexture(); - gl.bindTexture(gl.TEXTURE_2D, texture); - - // Set the parameters so we can render any size image. - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); - - // Upload the image into the texture. - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image); - return texture; - } - - var currentGL, currentCanvas; - function generageGL() { - if (currentGL) { - return; - } - currentCanvas = document.createElement('canvas'); - currentGL = currentCanvas.getContext('webgl', - { premultipliedalpha: false }); - } - - var smaskVertexShaderCode = '\ - attribute vec2 a_position; \ - attribute vec2 a_texCoord; \ - \ - uniform vec2 u_resolution; \ - \ - varying vec2 v_texCoord; \ - \ - void main() { \ - vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \ - gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ - \ - v_texCoord = a_texCoord; \ - } '; - - var smaskFragmentShaderCode = '\ - precision mediump float; \ - \ - uniform vec4 u_backdrop; \ - uniform int u_subtype; \ - uniform sampler2D u_image; \ - uniform sampler2D u_mask; \ - \ - varying vec2 v_texCoord; \ - \ - void main() { \ - vec4 imageColor = texture2D(u_image, v_texCoord); \ - vec4 maskColor = texture2D(u_mask, v_texCoord); \ - if (u_backdrop.a > 0.0) { \ - maskColor.rgb = maskColor.rgb * maskColor.a + \ - u_backdrop.rgb * (1.0 - maskColor.a); \ - } \ - float lum; \ - if (u_subtype == 0) { \ - lum = maskColor.a; \ - } else { \ - lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \ - maskColor.b * 0.11; \ - } \ - imageColor.a *= lum; \ - imageColor.rgb *= imageColor.a; \ - gl_FragColor = imageColor; \ - } '; - - var smaskCache = null; - - function initSmaskGL() { - var canvas, gl; - - generageGL(); - canvas = currentCanvas; - currentCanvas = null; - gl = currentGL; - currentGL = null; - - // setup a GLSL program - var vertexShader = createVertexShader(gl, smaskVertexShaderCode); - var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode); - var program = createProgram(gl, [vertexShader, fragmentShader]); - gl.useProgram(program); - - var cache = {}; - cache.gl = gl; - cache.canvas = canvas; - cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); - cache.positionLocation = gl.getAttribLocation(program, 'a_position'); - cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop'); - cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype'); - - var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord'); - var texLayerLocation = gl.getUniformLocation(program, 'u_image'); - var texMaskLocation = gl.getUniformLocation(program, 'u_mask'); - - // provide texture coordinates for the rectangle. - var texCoordBuffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer); - gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ - 0.0, 0.0, - 1.0, 0.0, - 0.0, 1.0, - 0.0, 1.0, - 1.0, 0.0, - 1.0, 1.0]), gl.STATIC_DRAW); - gl.enableVertexAttribArray(texCoordLocation); - gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0); - - gl.uniform1i(texLayerLocation, 0); - gl.uniform1i(texMaskLocation, 1); - - smaskCache = cache; - } - - function composeSMask(layer, mask, properties) { - var width = layer.width, height = layer.height; - - if (!smaskCache) { - initSmaskGL(); - } - var cache = smaskCache,canvas = cache.canvas, gl = cache.gl; - canvas.width = width; - canvas.height = height; - gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); - gl.uniform2f(cache.resolutionLocation, width, height); - - if (properties.backdrop) { - gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], - properties.backdrop[1], properties.backdrop[2], 1); - } else { - gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0); - } - gl.uniform1i(cache.subtypeLocation, - properties.subtype === 'Luminosity' ? 1 : 0); - - // Create a textures - var texture = createTexture(gl, layer, gl.TEXTURE0); - var maskTexture = createTexture(gl, mask, gl.TEXTURE1); - - - // Create a buffer and put a single clipspace rectangle in - // it (2 triangles) - var buffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, buffer); - gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ - 0, 0, - width, 0, - 0, height, - 0, height, - width, 0, - width, height]), gl.STATIC_DRAW); - gl.enableVertexAttribArray(cache.positionLocation); - gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); - - // draw - gl.clearColor(0, 0, 0, 0); - gl.enable(gl.BLEND); - gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA); - gl.clear(gl.COLOR_BUFFER_BIT); - - gl.drawArrays(gl.TRIANGLES, 0, 6); - - gl.flush(); - - gl.deleteTexture(texture); - gl.deleteTexture(maskTexture); - gl.deleteBuffer(buffer); - - return canvas; - } - - var figuresVertexShaderCode = '\ - attribute vec2 a_position; \ - attribute vec3 a_color; \ - \ - uniform vec2 u_resolution; \ - uniform vec2 u_scale; \ - uniform vec2 u_offset; \ - \ - varying vec4 v_color; \ - \ - void main() { \ - vec2 position = (a_position + u_offset) * u_scale; \ - vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \ - gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ - \ - v_color = vec4(a_color / 255.0, 1.0); \ - } '; - - var figuresFragmentShaderCode = '\ - precision mediump float; \ - \ - varying vec4 v_color; \ - \ - void main() { \ - gl_FragColor = v_color; \ - } '; - - var figuresCache = null; - - function initFiguresGL() { - var canvas, gl; - - generageGL(); - canvas = currentCanvas; - currentCanvas = null; - gl = currentGL; - currentGL = null; - - // setup a GLSL program - var vertexShader = createVertexShader(gl, figuresVertexShaderCode); - var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode); - var program = createProgram(gl, [vertexShader, fragmentShader]); - gl.useProgram(program); - - var cache = {}; - cache.gl = gl; - cache.canvas = canvas; - cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); - cache.scaleLocation = gl.getUniformLocation(program, 'u_scale'); - cache.offsetLocation = gl.getUniformLocation(program, 'u_offset'); - cache.positionLocation = gl.getAttribLocation(program, 'a_position'); - cache.colorLocation = gl.getAttribLocation(program, 'a_color'); - - figuresCache = cache; - } - - function drawFigures(width, height, backgroundColor, figures, context) { - if (!figuresCache) { - initFiguresGL(); - } - var cache = figuresCache, canvas = cache.canvas, gl = cache.gl; - - canvas.width = width; - canvas.height = height; - gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); - gl.uniform2f(cache.resolutionLocation, width, height); - - // count triangle points - var count = 0; - var i, ii, rows; - for (i = 0, ii = figures.length; i < ii; i++) { - switch (figures[i].type) { - case 'lattice': - rows = (figures[i].coords.length / figures[i].verticesPerRow) | 0; - count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6; - break; - case 'triangles': - count += figures[i].coords.length; - break; - } - } - // transfer data - var coords = new Float32Array(count * 2); - var colors = new Uint8Array(count * 3); - var coordsMap = context.coords, colorsMap = context.colors; - var pIndex = 0, cIndex = 0; - for (i = 0, ii = figures.length; i < ii; i++) { - var figure = figures[i], ps = figure.coords, cs = figure.colors; - switch (figure.type) { - case 'lattice': - var cols = figure.verticesPerRow; - rows = (ps.length / cols) | 0; - for (var row = 1; row < rows; row++) { - var offset = row * cols + 1; - for (var col = 1; col < cols; col++, offset++) { - coords[pIndex] = coordsMap[ps[offset - cols - 1]]; - coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1]; - coords[pIndex + 2] = coordsMap[ps[offset - cols]]; - coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1]; - coords[pIndex + 4] = coordsMap[ps[offset - 1]]; - coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1]; - colors[cIndex] = colorsMap[cs[offset - cols - 1]]; - colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1]; - colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2]; - colors[cIndex + 3] = colorsMap[cs[offset - cols]]; - colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1]; - colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2]; - colors[cIndex + 6] = colorsMap[cs[offset - 1]]; - colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1]; - colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2]; - - coords[pIndex + 6] = coords[pIndex + 2]; - coords[pIndex + 7] = coords[pIndex + 3]; - coords[pIndex + 8] = coords[pIndex + 4]; - coords[pIndex + 9] = coords[pIndex + 5]; - coords[pIndex + 10] = coordsMap[ps[offset]]; - coords[pIndex + 11] = coordsMap[ps[offset] + 1]; - colors[cIndex + 9] = colors[cIndex + 3]; - colors[cIndex + 10] = colors[cIndex + 4]; - colors[cIndex + 11] = colors[cIndex + 5]; - colors[cIndex + 12] = colors[cIndex + 6]; - colors[cIndex + 13] = colors[cIndex + 7]; - colors[cIndex + 14] = colors[cIndex + 8]; - colors[cIndex + 15] = colorsMap[cs[offset]]; - colors[cIndex + 16] = colorsMap[cs[offset] + 1]; - colors[cIndex + 17] = colorsMap[cs[offset] + 2]; - pIndex += 12; - cIndex += 18; - } - } - break; - case 'triangles': - for (var j = 0, jj = ps.length; j < jj; j++) { - coords[pIndex] = coordsMap[ps[j]]; - coords[pIndex + 1] = coordsMap[ps[j] + 1]; - colors[cIndex] = colorsMap[cs[i]]; - colors[cIndex + 1] = colorsMap[cs[j] + 1]; - colors[cIndex + 2] = colorsMap[cs[j] + 2]; - pIndex += 2; - cIndex += 3; - } - break; - } - } - - // draw - if (backgroundColor) { - gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, - backgroundColor[2] / 255, 1.0); - } else { - gl.clearColor(0, 0, 0, 0); - } - gl.clear(gl.COLOR_BUFFER_BIT); - - var coordsBuffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer); - gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW); - gl.enableVertexAttribArray(cache.positionLocation); - gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); - - var colorsBuffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer); - gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW); - gl.enableVertexAttribArray(cache.colorLocation); - gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, - 0, 0); - - gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY); - gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY); - - gl.drawArrays(gl.TRIANGLES, 0, count); - - gl.flush(); - - gl.deleteBuffer(coordsBuffer); - gl.deleteBuffer(colorsBuffer); - - return canvas; - } - - function cleanup() { - if (smaskCache && smaskCache.canvas) { - smaskCache.canvas.width = 0; - smaskCache.canvas.height = 0; - } - if (figuresCache && figuresCache.canvas) { - figuresCache.canvas.width = 0; - figuresCache.canvas.height = 0; - } - smaskCache = null; - figuresCache = null; - } - - return { - get isEnabled() { - if (PDFJS.disableWebGL) { - return false; - } - var enabled = false; - try { - generageGL(); - enabled = !!currentGL; - } catch (e) { } - return shadow(this, 'isEnabled', enabled); - }, - composeSMask: composeSMask, - drawFigures: drawFigures, - clear: cleanup - }; -})(); - - -var ShadingIRs = {}; - -ShadingIRs.RadialAxial = { - fromIR: function RadialAxial_fromIR(raw) { - var type = raw[1]; - var colorStops = raw[2]; - var p0 = raw[3]; - var p1 = raw[4]; - var r0 = raw[5]; - var r1 = raw[6]; - return { - type: 'Pattern', - getPattern: function RadialAxial_getPattern(ctx) { - var grad; - if (type === 'axial') { - grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]); - } else if (type === 'radial') { - grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1); - } - - for (var i = 0, ii = colorStops.length; i < ii; ++i) { - var c = colorStops[i]; - grad.addColorStop(c[0], c[1]); - } - return grad; - } - }; - } -}; - -var createMeshCanvas = (function createMeshCanvasClosure() { - function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) { - // Very basic Gouraud-shaded triangle rasterization algorithm. - var coords = context.coords, colors = context.colors; - var bytes = data.data, rowSize = data.width * 4; - var tmp; - if (coords[p1 + 1] > coords[p2 + 1]) { - tmp = p1; p1 = p2; p2 = tmp; tmp = c1; c1 = c2; c2 = tmp; - } - if (coords[p2 + 1] > coords[p3 + 1]) { - tmp = p2; p2 = p3; p3 = tmp; tmp = c2; c2 = c3; c3 = tmp; - } - if (coords[p1 + 1] > coords[p2 + 1]) { - tmp = p1; p1 = p2; p2 = tmp; tmp = c1; c1 = c2; c2 = tmp; - } - var x1 = (coords[p1] + context.offsetX) * context.scaleX; - var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY; - var x2 = (coords[p2] + context.offsetX) * context.scaleX; - var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY; - var x3 = (coords[p3] + context.offsetX) * context.scaleX; - var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY; - if (y1 >= y3) { - return; - } - var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2]; - var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2]; - var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2]; - - var minY = Math.round(y1), maxY = Math.round(y3); - var xa, car, cag, cab; - var xb, cbr, cbg, cbb; - var k; - for (var y = minY; y <= maxY; y++) { - if (y < y2) { - k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2); - xa = x1 - (x1 - x2) * k; - car = c1r - (c1r - c2r) * k; - cag = c1g - (c1g - c2g) * k; - cab = c1b - (c1b - c2b) * k; - } else { - k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3); - xa = x2 - (x2 - x3) * k; - car = c2r - (c2r - c3r) * k; - cag = c2g - (c2g - c3g) * k; - cab = c2b - (c2b - c3b) * k; - } - k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3); - xb = x1 - (x1 - x3) * k; - cbr = c1r - (c1r - c3r) * k; - cbg = c1g - (c1g - c3g) * k; - cbb = c1b - (c1b - c3b) * k; - var x1_ = Math.round(Math.min(xa, xb)); - var x2_ = Math.round(Math.max(xa, xb)); - var j = rowSize * y + x1_ * 4; - for (var x = x1_; x <= x2_; x++) { - k = (xa - x) / (xa - xb); - k = k < 0 ? 0 : k > 1 ? 1 : k; - bytes[j++] = (car - (car - cbr) * k) | 0; - bytes[j++] = (cag - (cag - cbg) * k) | 0; - bytes[j++] = (cab - (cab - cbb) * k) | 0; - bytes[j++] = 255; - } - } - } - - function drawFigure(data, figure, context) { - var ps = figure.coords; - var cs = figure.colors; - var i, ii; - switch (figure.type) { - case 'lattice': - var verticesPerRow = figure.verticesPerRow; - var rows = Math.floor(ps.length / verticesPerRow) - 1; - var cols = verticesPerRow - 1; - for (i = 0; i < rows; i++) { - var q = i * verticesPerRow; - for (var j = 0; j < cols; j++, q++) { - drawTriangle(data, context, - ps[q], ps[q + 1], ps[q + verticesPerRow], - cs[q], cs[q + 1], cs[q + verticesPerRow]); - drawTriangle(data, context, - ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], - cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]); - } - } - break; - case 'triangles': - for (i = 0, ii = ps.length; i < ii; i += 3) { - drawTriangle(data, context, - ps[i], ps[i + 1], ps[i + 2], - cs[i], cs[i + 1], cs[i + 2]); - } - break; default: - error('illigal figure'); - break; + throw new Error('Unimplemented annotation type "' + subtype + '"'); } } - - function createMeshCanvas(bounds, combinesScale, coords, colors, figures, - backgroundColor) { - // we will increase scale on some weird factor to let antialiasing take - // care of "rough" edges - var EXPECTED_SCALE = 1.1; - // MAX_PATTERN_SIZE is used to avoid OOM situation. - var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough - - var offsetX = Math.floor(bounds[0]); - var offsetY = Math.floor(bounds[1]); - var boundsWidth = Math.ceil(bounds[2]) - offsetX; - var boundsHeight = Math.ceil(bounds[3]) - offsetY; - - var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * - EXPECTED_SCALE)), MAX_PATTERN_SIZE); - var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * - EXPECTED_SCALE)), MAX_PATTERN_SIZE); - var scaleX = boundsWidth / width; - var scaleY = boundsHeight / height; - - var context = { - coords: coords, - colors: colors, - offsetX: -offsetX, - offsetY: -offsetY, - scaleX: 1 / scaleX, - scaleY: 1 / scaleY - }; - - var canvas, tmpCanvas, i, ii; - if (WebGLUtils.isEnabled) { - canvas = WebGLUtils.drawFigures(width, height, backgroundColor, - figures, context); - - // https://bugzilla.mozilla.org/show_bug.cgi?id=972126 - tmpCanvas = CachedCanvases.getCanvas('mesh', width, height, false); - tmpCanvas.context.drawImage(canvas, 0, 0); - canvas = tmpCanvas.canvas; - } else { - tmpCanvas = CachedCanvases.getCanvas('mesh', width, height, false); - var tmpCtx = tmpCanvas.context; - - var data = tmpCtx.createImageData(width, height); - if (backgroundColor) { - var bytes = data.data; - for (i = 0, ii = bytes.length; i < ii; i += 4) { - bytes[i] = backgroundColor[0]; - bytes[i + 1] = backgroundColor[1]; - bytes[i + 2] = backgroundColor[2]; - bytes[i + 3] = 255; - } - } - for (i = 0; i < figures.length; i++) { - drawFigure(data, figures[i], context); - } - tmpCtx.putImageData(data, 0, 0); - canvas = tmpCanvas.canvas; - } - - return {canvas: canvas, offsetX: offsetX, offsetY: offsetY, - scaleX: scaleX, scaleY: scaleY}; - } - return createMeshCanvas; -})(); - -ShadingIRs.Mesh = { - fromIR: function Mesh_fromIR(raw) { - //var type = raw[1]; - var coords = raw[2]; - var colors = raw[3]; - var figures = raw[4]; - var bounds = raw[5]; - var matrix = raw[6]; - //var bbox = raw[7]; - var background = raw[8]; - return { - type: 'Pattern', - getPattern: function Mesh_getPattern(ctx, owner, shadingFill) { - var scale; - if (shadingFill) { - scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform); - } else { - // Obtain scale from matrix and current transformation matrix. - scale = Util.singularValueDecompose2dScale(owner.baseTransform); - if (matrix) { - var matrixScale = Util.singularValueDecompose2dScale(matrix); - scale = [scale[0] * matrixScale[0], - scale[1] * matrixScale[1]]; - } - } - - - // Rasterizing on the main thread since sending/queue large canvases - // might cause OOM. - var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, - colors, figures, shadingFill ? null : background); - - if (!shadingFill) { - ctx.setTransform.apply(ctx, owner.baseTransform); - if (matrix) { - ctx.transform.apply(ctx, matrix); - } - } - - ctx.translate(temporaryPatternCanvas.offsetX, - temporaryPatternCanvas.offsetY); - ctx.scale(temporaryPatternCanvas.scaleX, - temporaryPatternCanvas.scaleY); - - return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat'); - } - }; - } }; -ShadingIRs.Dummy = { - fromIR: function Dummy_fromIR() { - return { - type: 'Pattern', - getPattern: function Dummy_fromIR_getPattern() { - return 'hotpink'; - } - }; - } -}; +/** + * @class + * @alias AnnotationElement + */ +var AnnotationElement = (function AnnotationElementClosure() { + function AnnotationElement(parameters) { + this.data = parameters.data; + this.layer = parameters.layer; + this.page = parameters.page; + this.viewport = parameters.viewport; + this.linkService = parameters.linkService; -function getShadingPatternFromIR(raw) { - var shadingIR = ShadingIRs[raw[0]]; - if (!shadingIR) { - error('Unknown IR type: ' + raw[0]); - } - return shadingIR.fromIR(raw); -} - -var TilingPattern = (function TilingPatternClosure() { - var PaintType = { - COLORED: 1, - UNCOLORED: 2 - }; - - var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough - - function TilingPattern(IR, color, ctx, objs, commonObjs, baseTransform) { - this.operatorList = IR[2]; - this.matrix = IR[3] || [1, 0, 0, 1, 0, 0]; - this.bbox = IR[4]; - this.xstep = IR[5]; - this.ystep = IR[6]; - this.paintType = IR[7]; - this.tilingType = IR[8]; - this.color = color; - this.objs = objs; - this.commonObjs = commonObjs; - this.baseTransform = baseTransform; - this.type = 'Pattern'; - this.ctx = ctx; + this.container = this._createContainer(); } - TilingPattern.prototype = { - createPatternCanvas: function TilinPattern_createPatternCanvas(owner) { - var operatorList = this.operatorList; - var bbox = this.bbox; - var xstep = this.xstep; - var ystep = this.ystep; - var paintType = this.paintType; - var tilingType = this.tilingType; - var color = this.color; - var objs = this.objs; - var commonObjs = this.commonObjs; + AnnotationElement.prototype = /** @lends AnnotationElement.prototype */ { + /** + * Create an empty container for the annotation's HTML element. + * + * @private + * @memberof AnnotationElement + * @returns {HTMLSectionElement} + */ + _createContainer: function AnnotationElement_createContainer() { + var data = this.data, page = this.page, viewport = this.viewport; + var container = document.createElement('section'); + var width = data.rect[2] - data.rect[0]; + var height = data.rect[3] - data.rect[1]; - info('TilingType: ' + tilingType); + container.setAttribute('data-annotation-id', data.id); - var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3]; + // Do *not* modify `data.rect`, since that will corrupt the annotation + // position on subsequent calls to `_createContainer` (see issue 6804). + var rect = Util.normalizeRect([ + data.rect[0], + page.view[3] - data.rect[1] + page.view[1], + data.rect[2], + page.view[3] - data.rect[3] + page.view[1] + ]); - var topLeft = [x0, y0]; - // we want the canvas to be as large as the step size - var botRight = [x0 + xstep, y0 + ystep]; + CustomStyle.setProp('transform', container, + 'matrix(' + viewport.transform.join(',') + ')'); + CustomStyle.setProp('transformOrigin', container, + -rect[0] + 'px ' + -rect[1] + 'px'); - var width = botRight[0] - topLeft[0]; - var height = botRight[1] - topLeft[1]; + if (data.borderStyle.width > 0) { + container.style.borderWidth = data.borderStyle.width + 'px'; + if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) { + // Underline styles only have a bottom border, so we do not need + // to adjust for all borders. This yields a similar result as + // Adobe Acrobat/Reader. + width = width - 2 * data.borderStyle.width; + height = height - 2 * data.borderStyle.width; + } - // Obtain scale from matrix and current transformation matrix. - var matrixScale = Util.singularValueDecompose2dScale(this.matrix); - var curMatrixScale = Util.singularValueDecompose2dScale( - this.baseTransform); - var combinedScale = [matrixScale[0] * curMatrixScale[0], - matrixScale[1] * curMatrixScale[1]]; + var horizontalRadius = data.borderStyle.horizontalCornerRadius; + var verticalRadius = data.borderStyle.verticalCornerRadius; + if (horizontalRadius > 0 || verticalRadius > 0) { + var radius = horizontalRadius + 'px / ' + verticalRadius + 'px'; + CustomStyle.setProp('borderRadius', container, radius); + } - // MAX_PATTERN_SIZE is used to avoid OOM situation. - // Use width and height values that are as close as possible to the end - // result when the pattern is used. Too low value makes the pattern look - // blurry. Too large value makes it look too crispy. - width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), - MAX_PATTERN_SIZE); - - height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), - MAX_PATTERN_SIZE); - - var tmpCanvas = CachedCanvases.getCanvas('pattern', width, height, true); - var tmpCtx = tmpCanvas.context; - var graphics = new CanvasGraphics(tmpCtx, commonObjs, objs); - graphics.groupLevel = owner.groupLevel; - - this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color); - - this.setScale(width, height, xstep, ystep); - this.transformToScale(graphics); - - // transform coordinates to pattern space - var tmpTranslate = [1, 0, 0, 1, -topLeft[0], -topLeft[1]]; - graphics.transform.apply(graphics, tmpTranslate); - - this.clipBbox(graphics, bbox, x0, y0, x1, y1); - - graphics.executeOperatorList(operatorList); - return tmpCanvas.canvas; - }, - - setScale: function TilingPattern_setScale(width, height, xstep, ystep) { - this.scale = [width / xstep, height / ystep]; - }, - - transformToScale: function TilingPattern_transformToScale(graphics) { - var scale = this.scale; - var tmpScale = [scale[0], 0, 0, scale[1], 0, 0]; - graphics.transform.apply(graphics, tmpScale); - }, - - scaleToContext: function TilingPattern_scaleToContext() { - var scale = this.scale; - this.ctx.scale(1 / scale[0], 1 / scale[1]); - }, - - clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) { - if (bbox && isArray(bbox) && bbox.length === 4) { - var bboxWidth = x1 - x0; - var bboxHeight = y1 - y0; - graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight); - graphics.clip(); - graphics.endPath(); - } - }, - - setFillAndStrokeStyleToContext: - function setFillAndStrokeStyleToContext(context, paintType, color) { - switch (paintType) { - case PaintType.COLORED: - var ctx = this.ctx; - context.fillStyle = ctx.fillStyle; - context.strokeStyle = ctx.strokeStyle; + switch (data.borderStyle.style) { + case AnnotationBorderStyleType.SOLID: + container.style.borderStyle = 'solid'; break; - case PaintType.UNCOLORED: - var cssColor = Util.makeCssRgb(color); - context.fillStyle = cssColor; - context.strokeStyle = cssColor; + + case AnnotationBorderStyleType.DASHED: + container.style.borderStyle = 'dashed'; break; + + case AnnotationBorderStyleType.BEVELED: + warn('Unimplemented border style: beveled'); + break; + + case AnnotationBorderStyleType.INSET: + warn('Unimplemented border style: inset'); + break; + + case AnnotationBorderStyleType.UNDERLINE: + container.style.borderBottomStyle = 'solid'; + break; + default: - error('Unsupported paint type: ' + paintType); + break; } - }, - getPattern: function TilingPattern_getPattern(ctx, owner) { - var temporaryPatternCanvas = this.createPatternCanvas(owner); + if (data.color) { + container.style.borderColor = + Util.makeCssRgb(data.color[0] | 0, + data.color[1] | 0, + data.color[2] | 0); + } else { + // Transparent (invisible) border, so do not draw it at all. + container.style.borderWidth = 0; + } + } - ctx = this.ctx; - ctx.setTransform.apply(ctx, this.baseTransform); - ctx.transform.apply(ctx, this.matrix); - this.scaleToContext(); + container.style.left = rect[0] + 'px'; + container.style.top = rect[1] + 'px'; - return ctx.createPattern(temporaryPatternCanvas, 'repeat'); + container.style.width = width + 'px'; + container.style.height = height + 'px'; + + return container; + }, + + /** + * Render the annotation's HTML element in the empty container. + * + * @public + * @memberof AnnotationElement + */ + render: function AnnotationElement_render() { + throw new Error('Abstract method AnnotationElement.render called'); } }; - return TilingPattern; + return AnnotationElement; })(); +/** + * @class + * @alias LinkAnnotationElement + */ +var LinkAnnotationElement = (function LinkAnnotationElementClosure() { + function LinkAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } -PDFJS.disableFontFace = false; + Util.inherit(LinkAnnotationElement, AnnotationElement, { + /** + * Render the link annotation's HTML element in the empty container. + * + * @public + * @memberof LinkAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function LinkAnnotationElement_render() { + this.container.className = 'linkAnnotation'; -var FontLoader = { + var link = document.createElement('a'); + link.href = link.title = this.data.url || ''; + + if (this.data.url && isExternalLinkTargetSet()) { + link.target = LinkTargetStringMap[PDFJS.externalLinkTarget]; + } + + // Strip referrer from the URL. + if (this.data.url) { + link.rel = PDFJS.externalLinkRel; + } + + if (!this.data.url) { + if (this.data.action) { + this._bindNamedAction(link, this.data.action); + } else { + this._bindLink(link, ('dest' in this.data) ? this.data.dest : null); + } + } + + this.container.appendChild(link); + return this.container; + }, + + /** + * Bind internal links to the link element. + * + * @private + * @param {Object} link + * @param {Object} destination + * @memberof LinkAnnotationElement + */ + _bindLink: function LinkAnnotationElement_bindLink(link, destination) { + var self = this; + + link.href = this.linkService.getDestinationHash(destination); + link.onclick = function() { + if (destination) { + self.linkService.navigateTo(destination); + } + return false; + }; + if (destination) { + link.className = 'internalLink'; + } + }, + + /** + * Bind named actions to the link element. + * + * @private + * @param {Object} link + * @param {Object} action + * @memberof LinkAnnotationElement + */ + _bindNamedAction: + function LinkAnnotationElement_bindNamedAction(link, action) { + var self = this; + + link.href = this.linkService.getAnchorUrl(''); + link.onclick = function() { + self.linkService.executeNamedAction(action); + return false; + }; + link.className = 'internalLink'; + } + }); + + return LinkAnnotationElement; +})(); + +/** + * @class + * @alias TextAnnotationElement + */ +var TextAnnotationElement = (function TextAnnotationElementClosure() { + function TextAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(TextAnnotationElement, AnnotationElement, { + /** + * Render the text annotation's HTML element in the empty container. + * + * @public + * @memberof TextAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function TextAnnotationElement_render() { + this.container.className = 'textAnnotation'; + + var image = document.createElement('img'); + image.style.height = this.container.style.height; + image.style.width = this.container.style.width; + image.src = PDFJS.imageResourcesPath + 'annotation-' + + this.data.name.toLowerCase() + '.svg'; + image.alt = '[{{type}} Annotation]'; + image.dataset.l10nId = 'text_annotation_type'; + image.dataset.l10nArgs = JSON.stringify({type: this.data.name}); + + if (!this.data.hasPopup) { + var popupElement = new PopupElement({ + container: this.container, + trigger: image, + color: this.data.color, + title: this.data.title, + contents: this.data.contents, + hideWrapper: true + }); + var popup = popupElement.render(); + + // Position the popup next to the Text annotation's container. + popup.style.left = image.style.width; + + this.container.appendChild(popup); + } + + this.container.appendChild(image); + return this.container; + } + }); + + return TextAnnotationElement; +})(); + +/** + * @class + * @alias WidgetAnnotationElement + */ +var WidgetAnnotationElement = (function WidgetAnnotationElementClosure() { + function WidgetAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(WidgetAnnotationElement, AnnotationElement, { + /** + * Render the widget annotation's HTML element in the empty container. + * + * @public + * @memberof WidgetAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function WidgetAnnotationElement_render() { + var content = document.createElement('div'); + content.textContent = this.data.fieldValue; + var textAlignment = this.data.textAlignment; + content.style.textAlign = ['left', 'center', 'right'][textAlignment]; + content.style.verticalAlign = 'middle'; + content.style.display = 'table-cell'; + + var font = (this.data.fontRefName ? + this.page.commonObjs.getData(this.data.fontRefName) : null); + this._setTextStyle(content, font); + + this.container.appendChild(content); + return this.container; + }, + + /** + * Apply text styles to the text in the element. + * + * @private + * @param {HTMLDivElement} element + * @param {Object} font + * @memberof WidgetAnnotationElement + */ + _setTextStyle: + function WidgetAnnotationElement_setTextStyle(element, font) { + // TODO: This duplicates some of the logic in CanvasGraphics.setFont(). + var style = element.style; + style.fontSize = this.data.fontSize + 'px'; + style.direction = (this.data.fontDirection < 0 ? 'rtl': 'ltr'); + + if (!font) { + return; + } + + style.fontWeight = (font.black ? + (font.bold ? '900' : 'bold') : + (font.bold ? 'bold' : 'normal')); + style.fontStyle = (font.italic ? 'italic' : 'normal'); + + // Use a reasonable default font if the font doesn't specify a fallback. + var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : ''; + var fallbackName = font.fallbackName || 'Helvetica, sans-serif'; + style.fontFamily = fontFamily + fallbackName; + } + }); + + return WidgetAnnotationElement; +})(); + +/** + * @class + * @alias PopupAnnotationElement + */ +var PopupAnnotationElement = (function PopupAnnotationElementClosure() { + function PopupAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(PopupAnnotationElement, AnnotationElement, { + /** + * Render the popup annotation's HTML element in the empty container. + * + * @public + * @memberof PopupAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function PopupAnnotationElement_render() { + this.container.className = 'popupAnnotation'; + + var selector = '[data-annotation-id="' + this.data.parentId + '"]'; + var parentElement = this.layer.querySelector(selector); + if (!parentElement) { + return this.container; + } + + var popup = new PopupElement({ + container: this.container, + trigger: parentElement, + color: this.data.color, + title: this.data.title, + contents: this.data.contents + }); + + // Position the popup next to the parent annotation's container. + // PDF viewers ignore a popup annotation's rectangle. + var parentLeft = parseFloat(parentElement.style.left); + var parentWidth = parseFloat(parentElement.style.width); + CustomStyle.setProp('transformOrigin', this.container, + -(parentLeft + parentWidth) + 'px -' + + parentElement.style.top); + this.container.style.left = (parentLeft + parentWidth) + 'px'; + + this.container.appendChild(popup.render()); + return this.container; + } + }); + + return PopupAnnotationElement; +})(); + +/** + * @class + * @alias PopupElement + */ +var PopupElement = (function PopupElementClosure() { + var BACKGROUND_ENLIGHT = 0.7; + + function PopupElement(parameters) { + this.container = parameters.container; + this.trigger = parameters.trigger; + this.color = parameters.color; + this.title = parameters.title; + this.contents = parameters.contents; + this.hideWrapper = parameters.hideWrapper || false; + + this.pinned = false; + } + + PopupElement.prototype = /** @lends PopupElement.prototype */ { + /** + * Render the popup's HTML element. + * + * @public + * @memberof PopupElement + * @returns {HTMLSectionElement} + */ + render: function PopupElement_render() { + var wrapper = document.createElement('div'); + wrapper.className = 'popupWrapper'; + + // For Popup annotations we hide the entire section because it contains + // only the popup. However, for Text annotations without a separate Popup + // annotation, we cannot hide the entire container as the image would + // disappear too. In that special case, hiding the wrapper suffices. + this.hideElement = (this.hideWrapper ? wrapper : this.container); + this.hideElement.setAttribute('hidden', true); + + var popup = document.createElement('div'); + popup.className = 'popup'; + + var color = this.color; + if (color) { + // Enlighten the color. + var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0]; + var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1]; + var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2]; + popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0); + } + + var contents = this._formatContents(this.contents); + var title = document.createElement('h1'); + title.textContent = this.title; + + // Attach the event listeners to the trigger element. + this.trigger.addEventListener('click', this._toggle.bind(this)); + this.trigger.addEventListener('mouseover', this._show.bind(this, false)); + this.trigger.addEventListener('mouseout', this._hide.bind(this, false)); + popup.addEventListener('click', this._hide.bind(this, true)); + + popup.appendChild(title); + popup.appendChild(contents); + wrapper.appendChild(popup); + return wrapper; + }, + + /** + * Format the contents of the popup by adding newlines where necessary. + * + * @private + * @param {string} contents + * @memberof PopupElement + * @returns {HTMLParagraphElement} + */ + _formatContents: function PopupElement_formatContents(contents) { + var p = document.createElement('p'); + var lines = contents.split(/(?:\r\n?|\n)/); + for (var i = 0, ii = lines.length; i < ii; ++i) { + var line = lines[i]; + p.appendChild(document.createTextNode(line)); + if (i < (ii - 1)) { + p.appendChild(document.createElement('br')); + } + } + return p; + }, + + /** + * Toggle the visibility of the popup. + * + * @private + * @memberof PopupElement + */ + _toggle: function PopupElement_toggle() { + if (this.pinned) { + this._hide(true); + } else { + this._show(true); + } + }, + + /** + * Show the popup. + * + * @private + * @param {boolean} pin + * @memberof PopupElement + */ + _show: function PopupElement_show(pin) { + if (pin) { + this.pinned = true; + } + if (this.hideElement.hasAttribute('hidden')) { + this.hideElement.removeAttribute('hidden'); + this.container.style.zIndex += 1; + } + }, + + /** + * Hide the popup. + * + * @private + * @param {boolean} unpin + * @memberof PopupElement + */ + _hide: function PopupElement_hide(unpin) { + if (unpin) { + this.pinned = false; + } + if (!this.hideElement.hasAttribute('hidden') && !this.pinned) { + this.hideElement.setAttribute('hidden', true); + this.container.style.zIndex -= 1; + } + } + }; + + return PopupElement; +})(); + +/** + * @class + * @alias HighlightAnnotationElement + */ +var HighlightAnnotationElement = ( + function HighlightAnnotationElementClosure() { + function HighlightAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(HighlightAnnotationElement, AnnotationElement, { + /** + * Render the highlight annotation's HTML element in the empty container. + * + * @public + * @memberof HighlightAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function HighlightAnnotationElement_render() { + this.container.className = 'highlightAnnotation'; + return this.container; + } + }); + + return HighlightAnnotationElement; +})(); + +/** + * @class + * @alias UnderlineAnnotationElement + */ +var UnderlineAnnotationElement = ( + function UnderlineAnnotationElementClosure() { + function UnderlineAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(UnderlineAnnotationElement, AnnotationElement, { + /** + * Render the underline annotation's HTML element in the empty container. + * + * @public + * @memberof UnderlineAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function UnderlineAnnotationElement_render() { + this.container.className = 'underlineAnnotation'; + return this.container; + } + }); + + return UnderlineAnnotationElement; +})(); + +/** + * @class + * @alias SquigglyAnnotationElement + */ +var SquigglyAnnotationElement = (function SquigglyAnnotationElementClosure() { + function SquigglyAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(SquigglyAnnotationElement, AnnotationElement, { + /** + * Render the squiggly annotation's HTML element in the empty container. + * + * @public + * @memberof SquigglyAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function SquigglyAnnotationElement_render() { + this.container.className = 'squigglyAnnotation'; + return this.container; + } + }); + + return SquigglyAnnotationElement; +})(); + +/** + * @class + * @alias StrikeOutAnnotationElement + */ +var StrikeOutAnnotationElement = ( + function StrikeOutAnnotationElementClosure() { + function StrikeOutAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(StrikeOutAnnotationElement, AnnotationElement, { + /** + * Render the strikeout annotation's HTML element in the empty container. + * + * @public + * @memberof StrikeOutAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function StrikeOutAnnotationElement_render() { + this.container.className = 'strikeoutAnnotation'; + return this.container; + } + }); + + return StrikeOutAnnotationElement; +})(); + +/** + * @typedef {Object} AnnotationLayerParameters + * @property {PageViewport} viewport + * @property {HTMLDivElement} div + * @property {Array} annotations + * @property {PDFPage} page + * @property {IPDFLinkService} linkService + */ + +/** + * @class + * @alias AnnotationLayer + */ +var AnnotationLayer = (function AnnotationLayerClosure() { + return { + /** + * Render a new annotation layer with all annotation elements. + * + * @public + * @param {AnnotationLayerParameters} parameters + * @memberof AnnotationLayer + */ + render: function AnnotationLayer_render(parameters) { + var annotationElementFactory = new AnnotationElementFactory(); + + for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { + var data = parameters.annotations[i]; + if (!data || !data.hasHtml) { + continue; + } + + var properties = { + data: data, + layer: parameters.div, + page: parameters.page, + viewport: parameters.viewport, + linkService: parameters.linkService + }; + var element = annotationElementFactory.create(properties); + parameters.div.appendChild(element.render()); + } + }, + + /** + * Update the annotation elements on existing annotation layer. + * + * @public + * @param {AnnotationLayerParameters} parameters + * @memberof AnnotationLayer + */ + update: function AnnotationLayer_update(parameters) { + for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { + var data = parameters.annotations[i]; + var element = parameters.div.querySelector( + '[data-annotation-id="' + data.id + '"]'); + if (element) { + CustomStyle.setProp('transform', element, + 'matrix(' + parameters.viewport.transform.join(',') + ')'); + } + } + parameters.div.removeAttribute('hidden'); + } + }; +})(); + +PDFJS.AnnotationLayer = AnnotationLayer; + +exports.AnnotationLayer = AnnotationLayer; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayFontLoader = {}), root.pdfjsSharedUtil, + root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedUtil, sharedGlobal) { + +var assert = sharedUtil.assert; +var bytesToString = sharedUtil.bytesToString; +var string32 = sharedUtil.string32; +var shadow = sharedUtil.shadow; +var warn = sharedUtil.warn; + +var PDFJS = sharedGlobal.PDFJS; +var globalScope = sharedGlobal.globalScope; +var isWorker = sharedGlobal.isWorker; + +function FontLoader(docId) { + this.docId = docId; + this.styleElement = null; + this.nativeFontFaces = []; + this.loadTestFontId = 0; + this.loadingContext = { + requests: [], + nextRequestId: 0 + }; +} +FontLoader.prototype = { insertRule: function fontLoaderInsertRule(rule) { - var styleElement = document.getElementById('PDFJS_FONT_STYLE_TAG'); + var styleElement = this.styleElement; if (!styleElement) { - styleElement = document.createElement('style'); - styleElement.id = 'PDFJS_FONT_STYLE_TAG'; + styleElement = this.styleElement = document.createElement('style'); + styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId; document.documentElement.getElementsByTagName('head')[0].appendChild( styleElement); } @@ -6056,9 +2606,10 @@ var FontLoader = { }, clear: function fontLoaderClear() { - var styleElement = document.getElementById('PDFJS_FONT_STYLE_TAG'); + var styleElement = this.styleElement; if (styleElement) { styleElement.parentNode.removeChild(styleElement); + styleElement = this.styleElement = null; } this.nativeFontFaces.forEach(function(nativeFontFace) { document.fonts.delete(nativeFontFace); @@ -6094,36 +2645,6 @@ var FontLoader = { )); }, - loadTestFontId: 0, - - loadingContext: { - requests: [], - nextRequestId: 0 - }, - - isSyncFontLoadingSupported: (function detectSyncFontLoadingSupport() { - if (isWorker) { - return false; - } - - // User agent string sniffing is bad, but there is no reliable way to tell - // if font is fully loaded and ready to be used with canvas. - var userAgent = window.navigator.userAgent; - var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(userAgent); - if (m && m[1] >= 14) { - return true; - } - // TODO other browsers - if (userAgent === 'node') { - return true; - } - return false; - })(), - - nativeFontFaces: [], - - isFontLoadingAPISupported: !isWorker && !!document.fonts, - addNativeFontFace: function fontLoader_addNativeFontFace(nativeFontFace) { this.nativeFontFaces.push(nativeFontFace); document.fonts.add(nativeFontFace); @@ -6135,6 +2656,13 @@ var FontLoader = { var rules = []; var fontsToLoad = []; var fontLoadPromises = []; + var getNativeFontPromise = function(nativeFontFace) { + // Return a promise that is always fulfilled, even when the font fails to + // load. + return nativeFontFace.loaded.catch(function(e) { + warn('Failed to load font "' + nativeFontFace.family + '": ' + e); + }); + }; for (var i = 0, ii = fonts.length; i < ii; i++) { var font = fonts[i]; @@ -6145,27 +2673,29 @@ var FontLoader = { } font.attached = true; - if (this.isFontLoadingAPISupported) { + if (FontLoader.isFontLoadingAPISupported) { var nativeFontFace = font.createNativeFontFace(); if (nativeFontFace) { - fontLoadPromises.push(nativeFontFace.loaded); + this.addNativeFontFace(nativeFontFace); + fontLoadPromises.push(getNativeFontPromise(nativeFontFace)); } } else { - var rule = font.bindDOM(); + var rule = font.createFontFaceRule(); if (rule) { + this.insertRule(rule); rules.push(rule); fontsToLoad.push(font); } } } - var request = FontLoader.queueLoadingCallback(callback); - if (this.isFontLoadingAPISupported) { - Promise.all(fontsToLoad).then(function() { + var request = this.queueLoadingCallback(callback); + if (FontLoader.isFontLoadingAPISupported) { + Promise.all(fontLoadPromises).then(function() { request.complete(); }); - } else if (rules.length > 0 && !this.isSyncFontLoadingSupported) { - FontLoader.prepareFontLoadEvent(rules, fontsToLoad, request); + } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) { + this.prepareFontLoadEvent(rules, fontsToLoad, request); } else { request.complete(); } @@ -6183,7 +2713,7 @@ var FontLoader = { } } - var context = FontLoader.loadingContext; + var context = this.loadingContext; var requestId = 'pdfjs-font-loading-' + (context.nextRequestId++); var request = { id: requestId, @@ -6270,7 +2800,7 @@ var FontLoader = { var url = 'url(data:font/opentype;base64,' + btoa(data) + ');'; var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + url + '}'; - FontLoader.insertRule(rule); + this.insertRule(rule); var names = []; for (i = 0, ii = fonts.length; i < ii; i++) { @@ -6298,19 +2828,52 @@ var FontLoader = { /** Hack end */ } }; +FontLoader.isFontLoadingAPISupported = (!isWorker && + typeof document !== 'undefined' && !!document.fonts); +Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', { + get: function () { + var supported = false; + + // User agent string sniffing is bad, but there is no reliable way to tell + // if font is fully loaded and ready to be used with canvas. + var userAgent = window.navigator.userAgent; + var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(userAgent); + if (m && m[1] >= 14) { + supported = true; + } + // TODO other browsers + if (userAgent === 'node') { + supported = true; + } + return shadow(FontLoader, 'isSyncFontLoadingSupported', supported); + }, + enumerable: true, + configurable: true +}); var FontFaceObject = (function FontFaceObjectClosure() { - function FontFaceObject(name, file, properties) { + function FontFaceObject(translatedData) { this.compiledGlyphs = {}; - if (arguments.length === 1) { - // importing translated data - var data = arguments[0]; - for (var i in data) { - this[i] = data[i]; - } - return; + // importing translated data + for (var i in translatedData) { + this[i] = translatedData[i]; } } + Object.defineProperty(FontFaceObject, 'isEvalSupported', { + get: function () { + var evalSupport = false; + if (PDFJS.isEvalSupported) { + try { + /* jshint evil: true */ + new Function(''); + evalSupport = true; + } catch (e) {} + } + return shadow(this, 'isEvalSupported', evalSupport); + }, + enumerable: true, + configurable: true + }); FontFaceObject.prototype = { createNativeFontFace: function FontFaceObject_createNativeFontFace() { if (!this.data) { @@ -6324,8 +2887,6 @@ var FontFaceObject = (function FontFaceObjectClosure() { var nativeFontFace = new FontFace(this.loadedName, this.data, {}); - FontLoader.addNativeFontFace(nativeFontFace); - if (PDFJS.pdfBug && 'FontInspector' in globalScope && globalScope['FontInspector'].enabled) { globalScope['FontInspector'].fontAdded(this); @@ -6333,7 +2894,7 @@ var FontFaceObject = (function FontFaceObjectClosure() { return nativeFontFace; }, - bindDOM: function FontFaceObject_bindDOM() { + createFontFaceRule: function FontFaceObject_createFontFaceRule() { if (!this.data) { return null; } @@ -6350,7 +2911,6 @@ var FontFaceObject = (function FontFaceObjectClosure() { var url = ('url(data:' + this.mimetype + ';base64,' + window.btoa(data) + ');'); var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}'; - FontLoader.insertRule(rule); if (PDFJS.pdfBug && 'FontInspector' in globalScope && globalScope['FontInspector'].enabled) { @@ -6360,11 +2920,43 @@ var FontFaceObject = (function FontFaceObjectClosure() { return rule; }, - getPathGenerator: function FontLoader_getPathGenerator(objs, character) { + getPathGenerator: + function FontFaceObject_getPathGenerator(objs, character) { if (!(character in this.compiledGlyphs)) { - var js = objs.get(this.loadedName + '_path_' + character); - /*jshint -W054 */ - this.compiledGlyphs[character] = new Function('c', 'size', js); + var cmds = objs.get(this.loadedName + '_path_' + character); + var current, i, len; + + // If we can, compile cmds into JS for MAXIMUM SPEED + if (FontFaceObject.isEvalSupported) { + var args, js = ''; + for (i = 0, len = cmds.length; i < len; i++) { + current = cmds[i]; + + if (current.args !== undefined) { + args = current.args.join(','); + } else { + args = ''; + } + + js += 'c.' + current.cmd + '(' + args + ');\n'; + } + /* jshint -W054 */ + this.compiledGlyphs[character] = new Function('c', 'size', js); + } else { + // But fall back on using Function.prototype.apply() if we're + // blocked from using eval() for whatever reason (like CSP policies) + this.compiledGlyphs[character] = function(c, size) { + for (i = 0, len = cmds.length; i < len; i++) { + current = cmds[i]; + + if (current.cmd === 'scale') { + current.args = [size, -size]; + } + + c[current.cmd].apply(c, current.args); + } + }; + } } return this.compiledGlyphs[character]; } @@ -6372,240 +2964,117 @@ var FontFaceObject = (function FontFaceObjectClosure() { return FontFaceObject; })(); +exports.FontFaceObject = FontFaceObject; +exports.FontLoader = FontLoader; +})); -var HIGHLIGHT_OFFSET = 4; // px -var ANNOT_MIN_SIZE = 10; // px -var AnnotationUtils = (function AnnotationUtilsClosure() { - // TODO(mack): This dupes some of the logic in CanvasGraphics.setFont() - function setTextStyles(element, item, fontObj) { - - var style = element.style; - style.fontSize = item.fontSize + 'px'; - style.direction = item.fontDirection < 0 ? 'rtl': 'ltr'; - - if (!fontObj) { - return; - } - - style.fontWeight = fontObj.black ? - (fontObj.bold ? 'bolder' : 'bold') : - (fontObj.bold ? 'bold' : 'normal'); - style.fontStyle = fontObj.italic ? 'italic' : 'normal'; - - var fontName = fontObj.loadedName; - var fontFamily = fontName ? '"' + fontName + '", ' : ''; - // Use a reasonable default font if the font doesn't specify a fallback - var fallbackName = fontObj.fallbackName || 'Helvetica, sans-serif'; - style.fontFamily = fontFamily + fallbackName; +(function (root, factory) { + { + factory((root.pdfjsDisplayMetadata = {}), root.pdfjsSharedUtil); } +}(this, function (exports, sharedUtil) { - // TODO(mack): Remove this, it's not really that helpful. - function getEmptyContainer(tagName, rect, borderWidth) { - var bWidth = borderWidth || 0; - var element = document.createElement(tagName); - element.style.borderWidth = bWidth + 'px'; - var width = rect[2] - rect[0] - 2 * bWidth; - var height = rect[3] - rect[1] - 2 * bWidth; - element.style.width = width + 'px'; - element.style.height = height + 'px'; - return element; - } +var error = sharedUtil.error; - function initContainer(item) { - var container = getEmptyContainer('section', item.rect, item.borderWidth); - container.style.backgroundColor = item.color; - - var color = item.color; - var rgb = []; - for (var i = 0; i < 3; ++i) { - rgb[i] = Math.round(color[i] * 255); - } - item.colorCssRgb = Util.makeCssRgb(rgb); - - var highlight = document.createElement('div'); - highlight.className = 'annotationHighlight'; - highlight.style.left = highlight.style.top = -HIGHLIGHT_OFFSET + 'px'; - highlight.style.right = highlight.style.bottom = -HIGHLIGHT_OFFSET + 'px'; - highlight.setAttribute('hidden', true); - - item.highlightElement = highlight; - container.appendChild(item.highlightElement); - - return container; - } - - function getHtmlElementForTextWidgetAnnotation(item, commonObjs) { - var element = getEmptyContainer('div', item.rect, 0); - element.style.display = 'table'; - - var content = document.createElement('div'); - content.textContent = item.fieldValue; - var textAlignment = item.textAlignment; - content.style.textAlign = ['left', 'center', 'right'][textAlignment]; - content.style.verticalAlign = 'middle'; - content.style.display = 'table-cell'; - - var fontObj = item.fontRefName ? - commonObjs.getData(item.fontRefName) : null; - setTextStyles(content, item, fontObj); - - element.appendChild(content); - - return element; - } - - function getHtmlElementForTextAnnotation(item) { - var rect = item.rect; - - // sanity check because of OOo-generated PDFs - if ((rect[3] - rect[1]) < ANNOT_MIN_SIZE) { - rect[3] = rect[1] + ANNOT_MIN_SIZE; - } - if ((rect[2] - rect[0]) < ANNOT_MIN_SIZE) { - rect[2] = rect[0] + (rect[3] - rect[1]); // make it square - } - - var container = initContainer(item); - container.className = 'annotText'; - - var image = document.createElement('img'); - image.style.height = container.style.height; - image.style.width = container.style.width; - var iconName = item.name; - image.src = PDFJS.imageResourcesPath + 'annotation-' + - iconName.toLowerCase() + '.svg'; - image.alt = '[{{type}} Annotation]'; - image.dataset.l10nId = 'text_annotation_type'; - image.dataset.l10nArgs = JSON.stringify({type: iconName}); - - var contentWrapper = document.createElement('div'); - contentWrapper.className = 'annotTextContentWrapper'; - contentWrapper.style.left = Math.floor(rect[2] - rect[0] + 5) + 'px'; - contentWrapper.style.top = '-10px'; - - var content = document.createElement('div'); - content.className = 'annotTextContent'; - content.setAttribute('hidden', true); - - var i, ii; - if (item.hasBgColor) { - var color = item.color; - var rgb = []; - for (i = 0; i < 3; ++i) { - // Enlighten the color (70%) - var c = Math.round(color[i] * 255); - rgb[i] = Math.round((255 - c) * 0.7) + c; +var Metadata = PDFJS.Metadata = (function MetadataClosure() { + function fixMetadata(meta) { + return meta.replace(/>\\376\\377([^<]+)/g, function(all, codes) { + var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, + function(code, d1, d2, d3) { + return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1); + }); + var chars = ''; + for (var i = 0; i < bytes.length; i += 2) { + var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1); + chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && + code !== 38 && false ? String.fromCharCode(code) : + '&#x' + (0x10000 + code).toString(16).substring(1) + ';'; } - content.style.backgroundColor = Util.makeCssRgb(rgb); + return '>' + chars; + }); + } + + function Metadata(meta) { + if (typeof meta === 'string') { + // Ghostscript produces invalid metadata + meta = fixMetadata(meta); + + var parser = new DOMParser(); + meta = parser.parseFromString(meta, 'application/xml'); + } else if (!(meta instanceof Document)) { + error('Metadata: Invalid metadata object'); } - var title = document.createElement('h1'); - var text = document.createElement('p'); - title.textContent = item.title; + this.metaDocument = meta; + this.metadata = {}; + this.parse(); + } - if (!item.content && !item.title) { - content.setAttribute('hidden', true); - } else { - var e = document.createElement('span'); - var lines = item.content.split(/(?:\r\n?|\n)/); - for (i = 0, ii = lines.length; i < ii; ++i) { - var line = lines[i]; - e.appendChild(document.createTextNode(line)); - if (i < (ii - 1)) { - e.appendChild(document.createElement('br')); + Metadata.prototype = { + parse: function Metadata_parse() { + var doc = this.metaDocument; + var rdf = doc.documentElement; + + if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { // Wrapped in + rdf = rdf.firstChild; + while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') { + rdf = rdf.nextSibling; } } - text.appendChild(e); - var pinned = false; + var nodeName = (rdf) ? rdf.nodeName.toLowerCase() : null; + if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) { + return; + } - var showAnnotation = function showAnnotation(pin) { - if (pin) { - pinned = true; + var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength; + for (i = 0, length = children.length; i < length; i++) { + desc = children[i]; + if (desc.nodeName.toLowerCase() !== 'rdf:description') { + continue; } - if (content.hasAttribute('hidden')) { - container.style.zIndex += 1; - content.removeAttribute('hidden'); - } - }; - var hideAnnotation = function hideAnnotation(unpin) { - if (unpin) { - pinned = false; + for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) { + if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') { + entry = desc.childNodes[ii]; + name = entry.nodeName.toLowerCase(); + this.metadata[name] = entry.textContent.trim(); + } } - if (!content.hasAttribute('hidden') && !pinned) { - container.style.zIndex -= 1; - content.setAttribute('hidden', true); - } - }; + } + }, - var toggleAnnotation = function toggleAnnotation() { - if (pinned) { - hideAnnotation(true); - } else { - showAnnotation(true); - } - }; + get: function Metadata_get(name) { + return this.metadata[name] || null; + }, - image.addEventListener('click', function image_clickHandler() { - toggleAnnotation(); - }, false); - image.addEventListener('mouseover', function image_mouseOverHandler() { - showAnnotation(); - }, false); - image.addEventListener('mouseout', function image_mouseOutHandler() { - hideAnnotation(); - }, false); - - content.addEventListener('click', function content_clickHandler() { - hideAnnotation(true); - }, false); + has: function Metadata_has(name) { + return typeof this.metadata[name] !== 'undefined'; } - - content.appendChild(title); - content.appendChild(text); - contentWrapper.appendChild(content); - container.appendChild(image); - container.appendChild(contentWrapper); - - return container; - } - - function getHtmlElementForLinkAnnotation(item) { - var container = initContainer(item); - container.className = 'annotLink'; - - container.style.borderColor = item.colorCssRgb; - container.style.borderStyle = 'solid'; - - var link = document.createElement('a'); - link.href = link.title = item.url || ''; - - container.appendChild(link); - - return container; - } - - function getHtmlElement(data, objs) { - switch (data.annotationType) { - case AnnotationType.WIDGET: - return getHtmlElementForTextWidgetAnnotation(data, objs); - case AnnotationType.TEXT: - return getHtmlElementForTextAnnotation(data); - case AnnotationType.LINK: - return getHtmlElementForLinkAnnotation(data); - default: - throw new Error('Unsupported annotationType: ' + data.annotationType); - } - } - - return { - getHtmlElement: getHtmlElement }; -})(); -PDFJS.AnnotationUtils = AnnotationUtils; + return Metadata; +})(); + +exports.Metadata = Metadata; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplaySVG = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; +var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX; +var ImageKind = sharedUtil.ImageKind; +var OPS = sharedUtil.OPS; +var Util = sharedUtil.Util; +var isNum = sharedUtil.isNum; +var isArray = sharedUtil.isArray; +var warn = sharedUtil.warn; var SVG_DEFAULTS = { fontStyle: 'normal', @@ -6839,7 +3308,7 @@ var SVGExtraState = (function SVGExtraStateClosure() { this.lineJoin = ''; this.lineCap = ''; this.miterLimit = 0; - + this.dashArray = []; this.dashPhase = 0; @@ -7066,7 +3535,7 @@ var SVGGraphics = (function SVGGraphicsClosure() { } return opListToTree(opList); }, - + executeOpTree: function SVGGraphics_executeOpTree(opTree) { var opTreeLen = opTree.length; for(var x = 0; x < opTreeLen; x++) { @@ -7105,6 +3574,9 @@ var SVGGraphics = (function SVGGraphicsClosure() { case OPS.setWordSpacing: this.setWordSpacing(args[0]); break; + case OPS.setHScale: + this.setHScale(args[0]); + break; case OPS.setTextMatrix: this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]); @@ -7409,11 +3881,11 @@ var SVGGraphics = (function SVGGraphicsClosure() { this.current.miterLimit = limit; }, setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) { - var color = Util.makeCssRgb(arguments); + var color = Util.makeCssRgb(r, g, b); this.current.strokeColor = color; }, setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) { - var color = Util.makeCssRgb(arguments); + var color = Util.makeCssRgb(r, g, b); this.current.fillColor = color; this.current.tspan = document.createElementNS(NS, 'svg:tspan'); this.current.xcoords = []; @@ -7776,6 +4248,5404 @@ var SVGGraphics = (function SVGGraphicsClosure() { PDFJS.SVGGraphics = SVGGraphics; +exports.SVGGraphics = SVGGraphics; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayTextLayer = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayDOMUtils, root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedUtil, displayDOMUtils, sharedGlobal) { + +var Util = sharedUtil.Util; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var CustomStyle = displayDOMUtils.CustomStyle; +var PDFJS = sharedGlobal.PDFJS; + +/** + * Text layer render parameters. + * + * @typedef {Object} TextLayerRenderParameters + * @property {TextContent} textContent - Text content to render (the object is + * returned by the page's getTextContent() method). + * @property {HTMLElement} container - HTML element that will contain text runs. + * @property {PDFJS.PageViewport} viewport - The target viewport to properly + * layout the text runs. + * @property {Array} textDivs - (optional) HTML elements that are correspond + * the text items of the textContent input. This is output and shall be + * initially be set to empty array. + * @property {number} timeout - (optional) Delay in milliseconds before + * rendering of the text runs occurs. + */ +var renderTextLayer = (function renderTextLayerClosure() { + var MAX_TEXT_DIVS_TO_RENDER = 100000; + + var NonWhitespaceRegexp = /\S/; + + function isAllWhitespace(str) { + return !NonWhitespaceRegexp.test(str); + } + + function appendText(textDivs, viewport, geom, styles) { + var style = styles[geom.fontName]; + var textDiv = document.createElement('div'); + textDivs.push(textDiv); + if (isAllWhitespace(geom.str)) { + textDiv.dataset.isWhitespace = true; + return; + } + var tx = Util.transform(viewport.transform, geom.transform); + var angle = Math.atan2(tx[1], tx[0]); + if (style.vertical) { + angle += Math.PI / 2; + } + var fontHeight = Math.sqrt((tx[2] * tx[2]) + (tx[3] * tx[3])); + var fontAscent = fontHeight; + if (style.ascent) { + fontAscent = style.ascent * fontAscent; + } else if (style.descent) { + fontAscent = (1 + style.descent) * fontAscent; + } + + var left; + var top; + if (angle === 0) { + left = tx[4]; + top = tx[5] - fontAscent; + } else { + left = tx[4] + (fontAscent * Math.sin(angle)); + top = tx[5] - (fontAscent * Math.cos(angle)); + } + textDiv.style.left = left + 'px'; + textDiv.style.top = top + 'px'; + textDiv.style.fontSize = fontHeight + 'px'; + textDiv.style.fontFamily = style.fontFamily; + + textDiv.textContent = geom.str; + // |fontName| is only used by the Font Inspector. This test will succeed + // when e.g. the Font Inspector is off but the Stepper is on, but it's + // not worth the effort to do a more accurate test. + if (PDFJS.pdfBug) { + textDiv.dataset.fontName = geom.fontName; + } + // Storing into dataset will convert number into string. + if (angle !== 0) { + textDiv.dataset.angle = angle * (180 / Math.PI); + } + // We don't bother scaling single-char text divs, because it has very + // little effect on text highlighting. This makes scrolling on docs with + // lots of such divs a lot faster. + if (geom.str.length > 1) { + if (style.vertical) { + textDiv.dataset.canvasWidth = geom.height * viewport.scale; + } else { + textDiv.dataset.canvasWidth = geom.width * viewport.scale; + } + } + } + + function render(task) { + if (task._canceled) { + return; + } + var textLayerFrag = task._container; + var textDivs = task._textDivs; + var capability = task._capability; + var textDivsLength = textDivs.length; + + // No point in rendering many divs as it would make the browser + // unusable even after the divs are rendered. + if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) { + capability.resolve(); + return; + } + + var canvas = document.createElement('canvas'); + canvas.mozOpaque = true; + var ctx = canvas.getContext('2d', {alpha: false}); + + var lastFontSize; + var lastFontFamily; + for (var i = 0; i < textDivsLength; i++) { + var textDiv = textDivs[i]; + if (textDiv.dataset.isWhitespace !== undefined) { + continue; + } + + var fontSize = textDiv.style.fontSize; + var fontFamily = textDiv.style.fontFamily; + + // Only build font string and set to context if different from last. + if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) { + ctx.font = fontSize + ' ' + fontFamily; + lastFontSize = fontSize; + lastFontFamily = fontFamily; + } + + var width = ctx.measureText(textDiv.textContent).width; + if (width > 0) { + textLayerFrag.appendChild(textDiv); + var transform; + if (textDiv.dataset.canvasWidth !== undefined) { + // Dataset values come of type string. + var textScale = textDiv.dataset.canvasWidth / width; + transform = 'scaleX(' + textScale + ')'; + } else { + transform = ''; + } + var rotation = textDiv.dataset.angle; + if (rotation) { + transform = 'rotate(' + rotation + 'deg) ' + transform; + } + if (transform) { + CustomStyle.setProp('transform' , textDiv, transform); + } + } + } + capability.resolve(); + } + + /** + * Text layer rendering task. + * + * @param {TextContent} textContent + * @param {HTMLElement} container + * @param {PDFJS.PageViewport} viewport + * @param {Array} textDivs + * @private + */ + function TextLayerRenderTask(textContent, container, viewport, textDivs) { + this._textContent = textContent; + this._container = container; + this._viewport = viewport; + textDivs = textDivs || []; + this._textDivs = textDivs; + this._canceled = false; + this._capability = createPromiseCapability(); + this._renderTimer = null; + } + TextLayerRenderTask.prototype = { + get promise() { + return this._capability.promise; + }, + + cancel: function TextLayer_cancel() { + this._canceled = true; + if (this._renderTimer !== null) { + clearTimeout(this._renderTimer); + this._renderTimer = null; + } + this._capability.reject('canceled'); + }, + + _render: function TextLayer_render(timeout) { + var textItems = this._textContent.items; + var styles = this._textContent.styles; + var textDivs = this._textDivs; + var viewport = this._viewport; + for (var i = 0, len = textItems.length; i < len; i++) { + appendText(textDivs, viewport, textItems[i], styles); + } + + if (!timeout) { // Render right away + render(this); + } else { // Schedule + var self = this; + this._renderTimer = setTimeout(function() { + render(self); + self._renderTimer = null; + }, timeout); + } + } + }; + + + /** + * Starts rendering of the text layer. + * + * @param {TextLayerRenderParameters} renderParameters + * @returns {TextLayerRenderTask} + */ + function renderTextLayer(renderParameters) { + var task = new TextLayerRenderTask(renderParameters.textContent, + renderParameters.container, + renderParameters.viewport, + renderParameters.textDivs); + task._render(renderParameters.timeout); + return task; + } + + return renderTextLayer; +})(); + +PDFJS.renderTextLayer = renderTextLayer; + +exports.renderTextLayer = renderTextLayer; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayWebGL = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var shadow = sharedUtil.shadow; + +var WebGLUtils = (function WebGLUtilsClosure() { + function loadShader(gl, code, shaderType) { + var shader = gl.createShader(shaderType); + gl.shaderSource(shader, code); + gl.compileShader(shader); + var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS); + if (!compiled) { + var errorMsg = gl.getShaderInfoLog(shader); + throw new Error('Error during shader compilation: ' + errorMsg); + } + return shader; + } + function createVertexShader(gl, code) { + return loadShader(gl, code, gl.VERTEX_SHADER); + } + function createFragmentShader(gl, code) { + return loadShader(gl, code, gl.FRAGMENT_SHADER); + } + function createProgram(gl, shaders) { + var program = gl.createProgram(); + for (var i = 0, ii = shaders.length; i < ii; ++i) { + gl.attachShader(program, shaders[i]); + } + gl.linkProgram(program); + var linked = gl.getProgramParameter(program, gl.LINK_STATUS); + if (!linked) { + var errorMsg = gl.getProgramInfoLog(program); + throw new Error('Error during program linking: ' + errorMsg); + } + return program; + } + function createTexture(gl, image, textureId) { + gl.activeTexture(textureId); + var texture = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, texture); + + // Set the parameters so we can render any size image. + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + + // Upload the image into the texture. + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image); + return texture; + } + + var currentGL, currentCanvas; + function generateGL() { + if (currentGL) { + return; + } + currentCanvas = document.createElement('canvas'); + currentGL = currentCanvas.getContext('webgl', + { premultipliedalpha: false }); + } + + var smaskVertexShaderCode = '\ + attribute vec2 a_position; \ + attribute vec2 a_texCoord; \ + \ + uniform vec2 u_resolution; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_texCoord = a_texCoord; \ + } '; + + var smaskFragmentShaderCode = '\ + precision mediump float; \ + \ + uniform vec4 u_backdrop; \ + uniform int u_subtype; \ + uniform sampler2D u_image; \ + uniform sampler2D u_mask; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec4 imageColor = texture2D(u_image, v_texCoord); \ + vec4 maskColor = texture2D(u_mask, v_texCoord); \ + if (u_backdrop.a > 0.0) { \ + maskColor.rgb = maskColor.rgb * maskColor.a + \ + u_backdrop.rgb * (1.0 - maskColor.a); \ + } \ + float lum; \ + if (u_subtype == 0) { \ + lum = maskColor.a; \ + } else { \ + lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \ + maskColor.b * 0.11; \ + } \ + imageColor.a *= lum; \ + imageColor.rgb *= imageColor.a; \ + gl_FragColor = imageColor; \ + } '; + + var smaskCache = null; + + function initSmaskGL() { + var canvas, gl; + + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + + // setup a GLSL program + var vertexShader = createVertexShader(gl, smaskVertexShaderCode); + var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode); + var program = createProgram(gl, [vertexShader, fragmentShader]); + gl.useProgram(program); + + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); + cache.positionLocation = gl.getAttribLocation(program, 'a_position'); + cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop'); + cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype'); + + var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord'); + var texLayerLocation = gl.getUniformLocation(program, 'u_image'); + var texMaskLocation = gl.getUniformLocation(program, 'u_mask'); + + // provide texture coordinates for the rectangle. + var texCoordBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ + 0.0, 0.0, + 1.0, 0.0, + 0.0, 1.0, + 0.0, 1.0, + 1.0, 0.0, + 1.0, 1.0]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(texCoordLocation); + gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0); + + gl.uniform1i(texLayerLocation, 0); + gl.uniform1i(texMaskLocation, 1); + + smaskCache = cache; + } + + function composeSMask(layer, mask, properties) { + var width = layer.width, height = layer.height; + + if (!smaskCache) { + initSmaskGL(); + } + var cache = smaskCache,canvas = cache.canvas, gl = cache.gl; + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + + if (properties.backdrop) { + gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], + properties.backdrop[1], properties.backdrop[2], 1); + } else { + gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0); + } + gl.uniform1i(cache.subtypeLocation, + properties.subtype === 'Luminosity' ? 1 : 0); + + // Create a textures + var texture = createTexture(gl, layer, gl.TEXTURE0); + var maskTexture = createTexture(gl, mask, gl.TEXTURE1); + + + // Create a buffer and put a single clipspace rectangle in + // it (2 triangles) + var buffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ + 0, 0, + width, 0, + 0, height, + 0, height, + width, 0, + width, height]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + + // draw + gl.clearColor(0, 0, 0, 0); + gl.enable(gl.BLEND); + gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA); + gl.clear(gl.COLOR_BUFFER_BIT); + + gl.drawArrays(gl.TRIANGLES, 0, 6); + + gl.flush(); + + gl.deleteTexture(texture); + gl.deleteTexture(maskTexture); + gl.deleteBuffer(buffer); + + return canvas; + } + + var figuresVertexShaderCode = '\ + attribute vec2 a_position; \ + attribute vec3 a_color; \ + \ + uniform vec2 u_resolution; \ + uniform vec2 u_scale; \ + uniform vec2 u_offset; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + vec2 position = (a_position + u_offset) * u_scale; \ + vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_color = vec4(a_color / 255.0, 1.0); \ + } '; + + var figuresFragmentShaderCode = '\ + precision mediump float; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + gl_FragColor = v_color; \ + } '; + + var figuresCache = null; + + function initFiguresGL() { + var canvas, gl; + + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + + // setup a GLSL program + var vertexShader = createVertexShader(gl, figuresVertexShaderCode); + var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode); + var program = createProgram(gl, [vertexShader, fragmentShader]); + gl.useProgram(program); + + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); + cache.scaleLocation = gl.getUniformLocation(program, 'u_scale'); + cache.offsetLocation = gl.getUniformLocation(program, 'u_offset'); + cache.positionLocation = gl.getAttribLocation(program, 'a_position'); + cache.colorLocation = gl.getAttribLocation(program, 'a_color'); + + figuresCache = cache; + } + + function drawFigures(width, height, backgroundColor, figures, context) { + if (!figuresCache) { + initFiguresGL(); + } + var cache = figuresCache, canvas = cache.canvas, gl = cache.gl; + + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + + // count triangle points + var count = 0; + var i, ii, rows; + for (i = 0, ii = figures.length; i < ii; i++) { + switch (figures[i].type) { + case 'lattice': + rows = (figures[i].coords.length / figures[i].verticesPerRow) | 0; + count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6; + break; + case 'triangles': + count += figures[i].coords.length; + break; + } + } + // transfer data + var coords = new Float32Array(count * 2); + var colors = new Uint8Array(count * 3); + var coordsMap = context.coords, colorsMap = context.colors; + var pIndex = 0, cIndex = 0; + for (i = 0, ii = figures.length; i < ii; i++) { + var figure = figures[i], ps = figure.coords, cs = figure.colors; + switch (figure.type) { + case 'lattice': + var cols = figure.verticesPerRow; + rows = (ps.length / cols) | 0; + for (var row = 1; row < rows; row++) { + var offset = row * cols + 1; + for (var col = 1; col < cols; col++, offset++) { + coords[pIndex] = coordsMap[ps[offset - cols - 1]]; + coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1]; + coords[pIndex + 2] = coordsMap[ps[offset - cols]]; + coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1]; + coords[pIndex + 4] = coordsMap[ps[offset - 1]]; + coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1]; + colors[cIndex] = colorsMap[cs[offset - cols - 1]]; + colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1]; + colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2]; + colors[cIndex + 3] = colorsMap[cs[offset - cols]]; + colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1]; + colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2]; + colors[cIndex + 6] = colorsMap[cs[offset - 1]]; + colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1]; + colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2]; + + coords[pIndex + 6] = coords[pIndex + 2]; + coords[pIndex + 7] = coords[pIndex + 3]; + coords[pIndex + 8] = coords[pIndex + 4]; + coords[pIndex + 9] = coords[pIndex + 5]; + coords[pIndex + 10] = coordsMap[ps[offset]]; + coords[pIndex + 11] = coordsMap[ps[offset] + 1]; + colors[cIndex + 9] = colors[cIndex + 3]; + colors[cIndex + 10] = colors[cIndex + 4]; + colors[cIndex + 11] = colors[cIndex + 5]; + colors[cIndex + 12] = colors[cIndex + 6]; + colors[cIndex + 13] = colors[cIndex + 7]; + colors[cIndex + 14] = colors[cIndex + 8]; + colors[cIndex + 15] = colorsMap[cs[offset]]; + colors[cIndex + 16] = colorsMap[cs[offset] + 1]; + colors[cIndex + 17] = colorsMap[cs[offset] + 2]; + pIndex += 12; + cIndex += 18; + } + } + break; + case 'triangles': + for (var j = 0, jj = ps.length; j < jj; j++) { + coords[pIndex] = coordsMap[ps[j]]; + coords[pIndex + 1] = coordsMap[ps[j] + 1]; + colors[cIndex] = colorsMap[cs[j]]; + colors[cIndex + 1] = colorsMap[cs[j] + 1]; + colors[cIndex + 2] = colorsMap[cs[j] + 2]; + pIndex += 2; + cIndex += 3; + } + break; + } + } + + // draw + if (backgroundColor) { + gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, + backgroundColor[2] / 255, 1.0); + } else { + gl.clearColor(0, 0, 0, 0); + } + gl.clear(gl.COLOR_BUFFER_BIT); + + var coordsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + + var colorsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.colorLocation); + gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, + 0, 0); + + gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY); + gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY); + + gl.drawArrays(gl.TRIANGLES, 0, count); + + gl.flush(); + + gl.deleteBuffer(coordsBuffer); + gl.deleteBuffer(colorsBuffer); + + return canvas; + } + + function cleanup() { + if (smaskCache && smaskCache.canvas) { + smaskCache.canvas.width = 0; + smaskCache.canvas.height = 0; + } + if (figuresCache && figuresCache.canvas) { + figuresCache.canvas.width = 0; + figuresCache.canvas.height = 0; + } + smaskCache = null; + figuresCache = null; + } + + return { + get isEnabled() { + if (PDFJS.disableWebGL) { + return false; + } + var enabled = false; + try { + generateGL(); + enabled = !!currentGL; + } catch (e) { } + return shadow(this, 'isEnabled', enabled); + }, + composeSMask: composeSMask, + drawFigures: drawFigures, + clear: cleanup + }; +})(); + +exports.WebGLUtils = WebGLUtils; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayPatternHelper = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayWebGL); + } +}(this, function (exports, sharedUtil, displayWebGL) { + +var Util = sharedUtil.Util; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var error = sharedUtil.error; +var WebGLUtils = displayWebGL.WebGLUtils; + +var ShadingIRs = {}; + +ShadingIRs.RadialAxial = { + fromIR: function RadialAxial_fromIR(raw) { + var type = raw[1]; + var colorStops = raw[2]; + var p0 = raw[3]; + var p1 = raw[4]; + var r0 = raw[5]; + var r1 = raw[6]; + return { + type: 'Pattern', + getPattern: function RadialAxial_getPattern(ctx) { + var grad; + if (type === 'axial') { + grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]); + } else if (type === 'radial') { + grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1); + } + + for (var i = 0, ii = colorStops.length; i < ii; ++i) { + var c = colorStops[i]; + grad.addColorStop(c[0], c[1]); + } + return grad; + } + }; + } +}; + +var createMeshCanvas = (function createMeshCanvasClosure() { + function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) { + // Very basic Gouraud-shaded triangle rasterization algorithm. + var coords = context.coords, colors = context.colors; + var bytes = data.data, rowSize = data.width * 4; + var tmp; + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; p1 = p2; p2 = tmp; tmp = c1; c1 = c2; c2 = tmp; + } + if (coords[p2 + 1] > coords[p3 + 1]) { + tmp = p2; p2 = p3; p3 = tmp; tmp = c2; c2 = c3; c3 = tmp; + } + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; p1 = p2; p2 = tmp; tmp = c1; c1 = c2; c2 = tmp; + } + var x1 = (coords[p1] + context.offsetX) * context.scaleX; + var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY; + var x2 = (coords[p2] + context.offsetX) * context.scaleX; + var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY; + var x3 = (coords[p3] + context.offsetX) * context.scaleX; + var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY; + if (y1 >= y3) { + return; + } + var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2]; + var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2]; + var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2]; + + var minY = Math.round(y1), maxY = Math.round(y3); + var xa, car, cag, cab; + var xb, cbr, cbg, cbb; + var k; + for (var y = minY; y <= maxY; y++) { + if (y < y2) { + k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2); + xa = x1 - (x1 - x2) * k; + car = c1r - (c1r - c2r) * k; + cag = c1g - (c1g - c2g) * k; + cab = c1b - (c1b - c2b) * k; + } else { + k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3); + xa = x2 - (x2 - x3) * k; + car = c2r - (c2r - c3r) * k; + cag = c2g - (c2g - c3g) * k; + cab = c2b - (c2b - c3b) * k; + } + k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3); + xb = x1 - (x1 - x3) * k; + cbr = c1r - (c1r - c3r) * k; + cbg = c1g - (c1g - c3g) * k; + cbb = c1b - (c1b - c3b) * k; + var x1_ = Math.round(Math.min(xa, xb)); + var x2_ = Math.round(Math.max(xa, xb)); + var j = rowSize * y + x1_ * 4; + for (var x = x1_; x <= x2_; x++) { + k = (xa - x) / (xa - xb); + k = k < 0 ? 0 : k > 1 ? 1 : k; + bytes[j++] = (car - (car - cbr) * k) | 0; + bytes[j++] = (cag - (cag - cbg) * k) | 0; + bytes[j++] = (cab - (cab - cbb) * k) | 0; + bytes[j++] = 255; + } + } + } + + function drawFigure(data, figure, context) { + var ps = figure.coords; + var cs = figure.colors; + var i, ii; + switch (figure.type) { + case 'lattice': + var verticesPerRow = figure.verticesPerRow; + var rows = Math.floor(ps.length / verticesPerRow) - 1; + var cols = verticesPerRow - 1; + for (i = 0; i < rows; i++) { + var q = i * verticesPerRow; + for (var j = 0; j < cols; j++, q++) { + drawTriangle(data, context, + ps[q], ps[q + 1], ps[q + verticesPerRow], + cs[q], cs[q + 1], cs[q + verticesPerRow]); + drawTriangle(data, context, + ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], + cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]); + } + } + break; + case 'triangles': + for (i = 0, ii = ps.length; i < ii; i += 3) { + drawTriangle(data, context, + ps[i], ps[i + 1], ps[i + 2], + cs[i], cs[i + 1], cs[i + 2]); + } + break; + default: + error('illigal figure'); + break; + } + } + + function createMeshCanvas(bounds, combinesScale, coords, colors, figures, + backgroundColor, cachedCanvases) { + // we will increase scale on some weird factor to let antialiasing take + // care of "rough" edges + var EXPECTED_SCALE = 1.1; + // MAX_PATTERN_SIZE is used to avoid OOM situation. + var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough + + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var boundsWidth = Math.ceil(bounds[2]) - offsetX; + var boundsHeight = Math.ceil(bounds[3]) - offsetY; + + var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * + EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * + EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var scaleX = boundsWidth / width; + var scaleY = boundsHeight / height; + + var context = { + coords: coords, + colors: colors, + offsetX: -offsetX, + offsetY: -offsetY, + scaleX: 1 / scaleX, + scaleY: 1 / scaleY + }; + + var canvas, tmpCanvas, i, ii; + if (WebGLUtils.isEnabled) { + canvas = WebGLUtils.drawFigures(width, height, backgroundColor, + figures, context); + + // https://bugzilla.mozilla.org/show_bug.cgi?id=972126 + tmpCanvas = cachedCanvases.getCanvas('mesh', width, height, false); + tmpCanvas.context.drawImage(canvas, 0, 0); + canvas = tmpCanvas.canvas; + } else { + tmpCanvas = cachedCanvases.getCanvas('mesh', width, height, false); + var tmpCtx = tmpCanvas.context; + + var data = tmpCtx.createImageData(width, height); + if (backgroundColor) { + var bytes = data.data; + for (i = 0, ii = bytes.length; i < ii; i += 4) { + bytes[i] = backgroundColor[0]; + bytes[i + 1] = backgroundColor[1]; + bytes[i + 2] = backgroundColor[2]; + bytes[i + 3] = 255; + } + } + for (i = 0; i < figures.length; i++) { + drawFigure(data, figures[i], context); + } + tmpCtx.putImageData(data, 0, 0); + canvas = tmpCanvas.canvas; + } + + return {canvas: canvas, offsetX: offsetX, offsetY: offsetY, + scaleX: scaleX, scaleY: scaleY}; + } + return createMeshCanvas; +})(); + +ShadingIRs.Mesh = { + fromIR: function Mesh_fromIR(raw) { + //var type = raw[1]; + var coords = raw[2]; + var colors = raw[3]; + var figures = raw[4]; + var bounds = raw[5]; + var matrix = raw[6]; + //var bbox = raw[7]; + var background = raw[8]; + return { + type: 'Pattern', + getPattern: function Mesh_getPattern(ctx, owner, shadingFill) { + var scale; + if (shadingFill) { + scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform); + } else { + // Obtain scale from matrix and current transformation matrix. + scale = Util.singularValueDecompose2dScale(owner.baseTransform); + if (matrix) { + var matrixScale = Util.singularValueDecompose2dScale(matrix); + scale = [scale[0] * matrixScale[0], + scale[1] * matrixScale[1]]; + } + } + + + // Rasterizing on the main thread since sending/queue large canvases + // might cause OOM. + var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, + colors, figures, shadingFill ? null : background, + owner.cachedCanvases); + + if (!shadingFill) { + ctx.setTransform.apply(ctx, owner.baseTransform); + if (matrix) { + ctx.transform.apply(ctx, matrix); + } + } + + ctx.translate(temporaryPatternCanvas.offsetX, + temporaryPatternCanvas.offsetY); + ctx.scale(temporaryPatternCanvas.scaleX, + temporaryPatternCanvas.scaleY); + + return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat'); + } + }; + } +}; + +ShadingIRs.Dummy = { + fromIR: function Dummy_fromIR() { + return { + type: 'Pattern', + getPattern: function Dummy_fromIR_getPattern() { + return 'hotpink'; + } + }; + } +}; + +function getShadingPatternFromIR(raw) { + var shadingIR = ShadingIRs[raw[0]]; + if (!shadingIR) { + error('Unknown IR type: ' + raw[0]); + } + return shadingIR.fromIR(raw); +} + +var TilingPattern = (function TilingPatternClosure() { + var PaintType = { + COLORED: 1, + UNCOLORED: 2 + }; + + var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough + + function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) { + this.operatorList = IR[2]; + this.matrix = IR[3] || [1, 0, 0, 1, 0, 0]; + this.bbox = IR[4]; + this.xstep = IR[5]; + this.ystep = IR[6]; + this.paintType = IR[7]; + this.tilingType = IR[8]; + this.color = color; + this.canvasGraphicsFactory = canvasGraphicsFactory; + this.baseTransform = baseTransform; + this.type = 'Pattern'; + this.ctx = ctx; + } + + TilingPattern.prototype = { + createPatternCanvas: function TilinPattern_createPatternCanvas(owner) { + var operatorList = this.operatorList; + var bbox = this.bbox; + var xstep = this.xstep; + var ystep = this.ystep; + var paintType = this.paintType; + var tilingType = this.tilingType; + var color = this.color; + var canvasGraphicsFactory = this.canvasGraphicsFactory; + + info('TilingType: ' + tilingType); + + var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3]; + + var topLeft = [x0, y0]; + // we want the canvas to be as large as the step size + var botRight = [x0 + xstep, y0 + ystep]; + + var width = botRight[0] - topLeft[0]; + var height = botRight[1] - topLeft[1]; + + // Obtain scale from matrix and current transformation matrix. + var matrixScale = Util.singularValueDecompose2dScale(this.matrix); + var curMatrixScale = Util.singularValueDecompose2dScale( + this.baseTransform); + var combinedScale = [matrixScale[0] * curMatrixScale[0], + matrixScale[1] * curMatrixScale[1]]; + + // MAX_PATTERN_SIZE is used to avoid OOM situation. + // Use width and height values that are as close as possible to the end + // result when the pattern is used. Too low value makes the pattern look + // blurry. Too large value makes it look too crispy. + width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), + MAX_PATTERN_SIZE); + + height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), + MAX_PATTERN_SIZE); + + var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', + width, height, true); + var tmpCtx = tmpCanvas.context; + var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx); + graphics.groupLevel = owner.groupLevel; + + this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color); + + this.setScale(width, height, xstep, ystep); + this.transformToScale(graphics); + + // transform coordinates to pattern space + var tmpTranslate = [1, 0, 0, 1, -topLeft[0], -topLeft[1]]; + graphics.transform.apply(graphics, tmpTranslate); + + this.clipBbox(graphics, bbox, x0, y0, x1, y1); + + graphics.executeOperatorList(operatorList); + return tmpCanvas.canvas; + }, + + setScale: function TilingPattern_setScale(width, height, xstep, ystep) { + this.scale = [width / xstep, height / ystep]; + }, + + transformToScale: function TilingPattern_transformToScale(graphics) { + var scale = this.scale; + var tmpScale = [scale[0], 0, 0, scale[1], 0, 0]; + graphics.transform.apply(graphics, tmpScale); + }, + + scaleToContext: function TilingPattern_scaleToContext() { + var scale = this.scale; + this.ctx.scale(1 / scale[0], 1 / scale[1]); + }, + + clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) { + if (bbox && isArray(bbox) && bbox.length === 4) { + var bboxWidth = x1 - x0; + var bboxHeight = y1 - y0; + graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight); + graphics.clip(); + graphics.endPath(); + } + }, + + setFillAndStrokeStyleToContext: + function setFillAndStrokeStyleToContext(context, paintType, color) { + switch (paintType) { + case PaintType.COLORED: + var ctx = this.ctx; + context.fillStyle = ctx.fillStyle; + context.strokeStyle = ctx.strokeStyle; + break; + case PaintType.UNCOLORED: + var cssColor = Util.makeCssRgb(color[0], color[1], color[2]); + context.fillStyle = cssColor; + context.strokeStyle = cssColor; + break; + default: + error('Unsupported paint type: ' + paintType); + } + }, + + getPattern: function TilingPattern_getPattern(ctx, owner) { + var temporaryPatternCanvas = this.createPatternCanvas(owner); + + ctx = this.ctx; + ctx.setTransform.apply(ctx, this.baseTransform); + ctx.transform.apply(ctx, this.matrix); + this.scaleToContext(); + + return ctx.createPattern(temporaryPatternCanvas, 'repeat'); + } + }; + + return TilingPattern; +})(); + +exports.getShadingPatternFromIR = getShadingPatternFromIR; +exports.TilingPattern = TilingPattern; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayCanvas = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayPatternHelper, root.pdfjsDisplayWebGL); + } +}(this, function (exports, sharedUtil, displayPatternHelper, displayWebGL) { + +var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; +var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX; +var ImageKind = sharedUtil.ImageKind; +var OPS = sharedUtil.OPS; +var TextRenderingMode = sharedUtil.TextRenderingMode; +var Uint32ArrayView = sharedUtil.Uint32ArrayView; +var Util = sharedUtil.Util; +var assert = sharedUtil.assert; +var info = sharedUtil.info; +var isNum = sharedUtil.isNum; +var isArray = sharedUtil.isArray; +var error = sharedUtil.error; +var shadow = sharedUtil.shadow; +var warn = sharedUtil.warn; +var TilingPattern = displayPatternHelper.TilingPattern; +var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR; +var WebGLUtils = displayWebGL.WebGLUtils; + +// contexts store most of the state we need natively. +// However, PDF needs a bit more state, which we store here. + +// Minimal font size that would be used during canvas fillText operations. +var MIN_FONT_SIZE = 16; +// Maximum font size that would be used during canvas fillText operations. +var MAX_FONT_SIZE = 100; +var MAX_GROUP_SIZE = 4096; + +// Heuristic value used when enforcing minimum line widths. +var MIN_WIDTH_FACTOR = 0.65; + +var COMPILE_TYPE3_GLYPHS = true; +var MAX_SIZE_TO_COMPILE = 1000; + +var FULL_CHUNK_HEIGHT = 16; + +function createScratchCanvas(width, height) { + var canvas = document.createElement('canvas'); + canvas.width = width; + canvas.height = height; + return canvas; +} + +function addContextCurrentTransform(ctx) { + // If the context doesn't expose a `mozCurrentTransform`, add a JS based one. + if (!ctx.mozCurrentTransform) { + ctx._originalSave = ctx.save; + ctx._originalRestore = ctx.restore; + ctx._originalRotate = ctx.rotate; + ctx._originalScale = ctx.scale; + ctx._originalTranslate = ctx.translate; + ctx._originalTransform = ctx.transform; + ctx._originalSetTransform = ctx.setTransform; + + ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0]; + ctx._transformStack = []; + + Object.defineProperty(ctx, 'mozCurrentTransform', { + get: function getCurrentTransform() { + return this._transformMatrix; + } + }); + + Object.defineProperty(ctx, 'mozCurrentTransformInverse', { + get: function getCurrentTransformInverse() { + // Calculation done using WolframAlpha: + // http://www.wolframalpha.com/input/? + // i=Inverse+{{a%2C+c%2C+e}%2C+{b%2C+d%2C+f}%2C+{0%2C+0%2C+1}} + + var m = this._transformMatrix; + var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5]; + + var ad_bc = a * d - b * c; + var bc_ad = b * c - a * d; + + return [ + d / ad_bc, + b / bc_ad, + c / bc_ad, + a / ad_bc, + (d * e - c * f) / bc_ad, + (b * e - a * f) / ad_bc + ]; + } + }); + + ctx.save = function ctxSave() { + var old = this._transformMatrix; + this._transformStack.push(old); + this._transformMatrix = old.slice(0, 6); + + this._originalSave(); + }; + + ctx.restore = function ctxRestore() { + var prev = this._transformStack.pop(); + if (prev) { + this._transformMatrix = prev; + this._originalRestore(); + } + }; + + ctx.translate = function ctxTranslate(x, y) { + var m = this._transformMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + + this._originalTranslate(x, y); + }; + + ctx.scale = function ctxScale(x, y) { + var m = this._transformMatrix; + m[0] = m[0] * x; + m[1] = m[1] * x; + m[2] = m[2] * y; + m[3] = m[3] * y; + + this._originalScale(x, y); + }; + + ctx.transform = function ctxTransform(a, b, c, d, e, f) { + var m = this._transformMatrix; + this._transformMatrix = [ + m[0] * a + m[2] * b, + m[1] * a + m[3] * b, + m[0] * c + m[2] * d, + m[1] * c + m[3] * d, + m[0] * e + m[2] * f + m[4], + m[1] * e + m[3] * f + m[5] + ]; + + ctx._originalTransform(a, b, c, d, e, f); + }; + + ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) { + this._transformMatrix = [a, b, c, d, e, f]; + + ctx._originalSetTransform(a, b, c, d, e, f); + }; + + ctx.rotate = function ctxRotate(angle) { + var cosValue = Math.cos(angle); + var sinValue = Math.sin(angle); + + var m = this._transformMatrix; + this._transformMatrix = [ + m[0] * cosValue + m[2] * sinValue, + m[1] * cosValue + m[3] * sinValue, + m[0] * (-sinValue) + m[2] * cosValue, + m[1] * (-sinValue) + m[3] * cosValue, + m[4], + m[5] + ]; + + this._originalRotate(angle); + }; + } +} + +var CachedCanvases = (function CachedCanvasesClosure() { + function CachedCanvases() { + this.cache = Object.create(null); + } + CachedCanvases.prototype = { + getCanvas: function CachedCanvases_getCanvas(id, width, height, + trackTransform) { + var canvasEntry; + if (this.cache[id] !== undefined) { + canvasEntry = this.cache[id]; + canvasEntry.canvas.width = width; + canvasEntry.canvas.height = height; + // reset canvas transform for emulated mozCurrentTransform, if needed + canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0); + } else { + var canvas = createScratchCanvas(width, height); + var ctx = canvas.getContext('2d'); + if (trackTransform) { + addContextCurrentTransform(ctx); + } + this.cache[id] = canvasEntry = {canvas: canvas, context: ctx}; + } + return canvasEntry; + }, + clear: function () { + for (var id in this.cache) { + var canvasEntry = this.cache[id]; + // Zeroing the width and height causes Firefox to release graphics + // resources immediately, which can greatly reduce memory consumption. + canvasEntry.canvas.width = 0; + canvasEntry.canvas.height = 0; + delete this.cache[id]; + } + } + }; + return CachedCanvases; +})(); + +function compileType3Glyph(imgData) { + var POINT_TO_PROCESS_LIMIT = 1000; + + var width = imgData.width, height = imgData.height; + var i, j, j0, width1 = width + 1; + var points = new Uint8Array(width1 * (height + 1)); + var POINT_TYPES = + new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]); + + // decodes bit-packed mask data + var lineSize = (width + 7) & ~7, data0 = imgData.data; + var data = new Uint8Array(lineSize * height), pos = 0, ii; + for (i = 0, ii = data0.length; i < ii; i++) { + var mask = 128, elem = data0[i]; + while (mask > 0) { + data[pos++] = (elem & mask) ? 0 : 255; + mask >>= 1; + } + } + + // finding iteresting points: every point is located between mask pixels, + // so there will be points of the (width + 1)x(height + 1) grid. Every point + // will have flags assigned based on neighboring mask pixels: + // 4 | 8 + // --P-- + // 2 | 1 + // We are interested only in points with the flags: + // - outside corners: 1, 2, 4, 8; + // - inside corners: 7, 11, 13, 14; + // - and, intersections: 5, 10. + var count = 0; + pos = 0; + if (data[pos] !== 0) { + points[0] = 1; + ++count; + } + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j] = data[pos] ? 2 : 1; + ++count; + } + pos++; + } + if (data[pos] !== 0) { + points[j] = 2; + ++count; + } + for (i = 1; i < height; i++) { + pos = i * lineSize; + j0 = i * width1; + if (data[pos - lineSize] !== data[pos]) { + points[j0] = data[pos] ? 1 : 8; + ++count; + } + // 'sum' is the position of the current pixel configuration in the 'TYPES' + // array (in order 8-1-2-4, so we can use '>>2' to shift the column). + var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0); + for (j = 1; j < width; j++) { + sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + + (data[pos - lineSize + 1] ? 8 : 0); + if (POINT_TYPES[sum]) { + points[j0 + j] = POINT_TYPES[sum]; + ++count; + } + pos++; + } + if (data[pos - lineSize] !== data[pos]) { + points[j0 + j] = data[pos] ? 2 : 4; + ++count; + } + + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + } + + pos = lineSize * (height - 1); + j0 = i * width1; + if (data[pos] !== 0) { + points[j0] = 8; + ++count; + } + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j0 + j] = data[pos] ? 4 : 8; + ++count; + } + pos++; + } + if (data[pos] !== 0) { + points[j0 + j] = 4; + ++count; + } + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + + // building outlines + var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]); + var outlines = []; + for (i = 0; count && i <= height; i++) { + var p = i * width1; + var end = p + width; + while (p < end && !points[p]) { + p++; + } + if (p === end) { + continue; + } + var coords = [p % width1, i]; + + var type = points[p], p0 = p, pp; + do { + var step = steps[type]; + do { + p += step; + } while (!points[p]); + + pp = points[p]; + if (pp !== 5 && pp !== 10) { + // set new direction + type = pp; + // delete mark + points[p] = 0; + } else { // type is 5 or 10, ie, a crossing + // set new direction + type = pp & ((0x33 * type) >> 4); + // set new type for "future hit" + points[p] &= (type >> 2 | type << 2); + } + + coords.push(p % width1); + coords.push((p / width1) | 0); + --count; + } while (p0 !== p); + outlines.push(coords); + --i; + } + + var drawOutline = function(c) { + c.save(); + // the path shall be painted in [0..1]x[0..1] space + c.scale(1 / width, -1 / height); + c.translate(0, -height); + c.beginPath(); + for (var i = 0, ii = outlines.length; i < ii; i++) { + var o = outlines[i]; + c.moveTo(o[0], o[1]); + for (var j = 2, jj = o.length; j < jj; j += 2) { + c.lineTo(o[j], o[j+1]); + } + } + c.fill(); + c.beginPath(); + c.restore(); + }; + + return drawOutline; +} + +var CanvasExtraState = (function CanvasExtraStateClosure() { + function CanvasExtraState(old) { + // Are soft masks and alpha values shapes or opacities? + this.alphaIsShape = false; + this.fontSize = 0; + this.fontSizeScale = 1; + this.textMatrix = IDENTITY_MATRIX; + this.textMatrixScale = 1; + this.fontMatrix = FONT_IDENTITY_MATRIX; + this.leading = 0; + // Current point (in user coordinates) + this.x = 0; + this.y = 0; + // Start of text line (in text coordinates) + this.lineX = 0; + this.lineY = 0; + // Character and word spacing + this.charSpacing = 0; + this.wordSpacing = 0; + this.textHScale = 1; + this.textRenderingMode = TextRenderingMode.FILL; + this.textRise = 0; + // Default fore and background colors + this.fillColor = '#000000'; + this.strokeColor = '#000000'; + this.patternFill = false; + // Note: fill alpha applies to all non-stroking operations + this.fillAlpha = 1; + this.strokeAlpha = 1; + this.lineWidth = 1; + this.activeSMask = null; // nonclonable field (see the save method below) + + this.old = old; + } + + CanvasExtraState.prototype = { + clone: function CanvasExtraState_clone() { + return Object.create(this); + }, + setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) { + this.x = x; + this.y = y; + } + }; + return CanvasExtraState; +})(); + +var CanvasGraphics = (function CanvasGraphicsClosure() { + // Defines the time the executeOperatorList is going to be executing + // before it stops and shedules a continue of execution. + var EXECUTION_TIME = 15; + // Defines the number of steps before checking the execution time + var EXECUTION_STEPS = 10; + + function CanvasGraphics(canvasCtx, commonObjs, objs, imageLayer) { + this.ctx = canvasCtx; + this.current = new CanvasExtraState(); + this.stateStack = []; + this.pendingClip = null; + this.pendingEOFill = false; + this.res = null; + this.xobjs = null; + this.commonObjs = commonObjs; + this.objs = objs; + this.imageLayer = imageLayer; + this.groupStack = []; + this.processingType3 = null; + // Patterns are painted relative to the initial page/form transform, see pdf + // spec 8.7.2 NOTE 1. + this.baseTransform = null; + this.baseTransformStack = []; + this.groupLevel = 0; + this.smaskStack = []; + this.smaskCounter = 0; + this.tempSMask = null; + this.cachedCanvases = new CachedCanvases(); + if (canvasCtx) { + // NOTE: if mozCurrentTransform is polyfilled, then the current state of + // the transformation must already be set in canvasCtx._transformMatrix. + addContextCurrentTransform(canvasCtx); + } + this.cachedGetSinglePixelWidth = null; + } + + function putBinaryImageData(ctx, imgData) { + if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) { + ctx.putImageData(imgData, 0, 0); + return; + } + + // Put the image data to the canvas in chunks, rather than putting the + // whole image at once. This saves JS memory, because the ImageData object + // is smaller. It also possibly saves C++ memory within the implementation + // of putImageData(). (E.g. in Firefox we make two short-lived copies of + // the data passed to putImageData()). |n| shouldn't be too small, however, + // because too many putImageData() calls will slow things down. + // + // Note: as written, if the last chunk is partial, the putImageData() call + // will (conceptually) put pixels past the bounds of the canvas. But + // that's ok; any such pixels are ignored. + + var height = imgData.height, width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0, destPos; + var src = imgData.data; + var dest = chunkImgData.data; + var i, j, thisChunkHeight, elemsInThisChunk; + + // There are multiple forms in which the pixel data can be passed, and + // imgData.kind tells us which one this is. + if (imgData.kind === ImageKind.GRAYSCALE_1BPP) { + // Grayscale, 1 bit per pixel (i.e. black-and-white). + var srcLength = src.byteLength; + var dest32 = PDFJS.hasCanvasTypedArrays ? new Uint32Array(dest.buffer) : + new Uint32ArrayView(dest); + var dest32DataLength = dest32.length; + var fullSrcDiff = (width + 7) >> 3; + var white = 0xFFFFFFFF; + var black = (PDFJS.isLittleEndian || !PDFJS.hasCanvasTypedArrays) ? + 0xFF000000 : 0x000000FF; + for (i = 0; i < totalChunks; i++) { + thisChunkHeight = + (i < fullChunks) ? FULL_CHUNK_HEIGHT : partialChunkHeight; + destPos = 0; + for (j = 0; j < thisChunkHeight; j++) { + var srcDiff = srcLength - srcPos; + var k = 0; + var kEnd = (srcDiff > fullSrcDiff) ? width : srcDiff * 8 - 7; + var kEndUnrolled = kEnd & ~7; + var mask = 0; + var srcByte = 0; + for (; k < kEndUnrolled; k += 8) { + srcByte = src[srcPos++]; + dest32[destPos++] = (srcByte & 128) ? white : black; + dest32[destPos++] = (srcByte & 64) ? white : black; + dest32[destPos++] = (srcByte & 32) ? white : black; + dest32[destPos++] = (srcByte & 16) ? white : black; + dest32[destPos++] = (srcByte & 8) ? white : black; + dest32[destPos++] = (srcByte & 4) ? white : black; + dest32[destPos++] = (srcByte & 2) ? white : black; + dest32[destPos++] = (srcByte & 1) ? white : black; + } + for (; k < kEnd; k++) { + if (mask === 0) { + srcByte = src[srcPos++]; + mask = 128; + } + + dest32[destPos++] = (srcByte & mask) ? white : black; + mask >>= 1; + } + } + // We ran out of input. Make all remaining pixels transparent. + while (destPos < dest32DataLength) { + dest32[destPos++] = 0; + } + + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } else if (imgData.kind === ImageKind.RGBA_32BPP) { + // RGBA, 32-bits per pixel. + + j = 0; + elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4; + for (i = 0; i < fullChunks; i++) { + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + srcPos += elemsInThisChunk; + + ctx.putImageData(chunkImgData, 0, j); + j += FULL_CHUNK_HEIGHT; + } + if (i < totalChunks) { + elemsInThisChunk = width * partialChunkHeight * 4; + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + ctx.putImageData(chunkImgData, 0, j); + } + + } else if (imgData.kind === ImageKind.RGB_24BPP) { + // RGB, 24-bits per pixel. + thisChunkHeight = FULL_CHUNK_HEIGHT; + elemsInThisChunk = width * thisChunkHeight; + for (i = 0; i < totalChunks; i++) { + if (i >= fullChunks) { + thisChunkHeight = partialChunkHeight; + elemsInThisChunk = width * thisChunkHeight; + } + + destPos = 0; + for (j = elemsInThisChunk; j--;) { + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = 255; + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } else { + error('bad image kind: ' + imgData.kind); + } + } + + function putBinaryImageMask(ctx, imgData) { + var height = imgData.height, width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0; + var src = imgData.data; + var dest = chunkImgData.data; + + for (var i = 0; i < totalChunks; i++) { + var thisChunkHeight = + (i < fullChunks) ? FULL_CHUNK_HEIGHT : partialChunkHeight; + + // Expand the mask so it can be used by the canvas. Any required + // inversion has already been handled. + var destPos = 3; // alpha component offset + for (var j = 0; j < thisChunkHeight; j++) { + var mask = 0; + for (var k = 0; k < width; k++) { + if (!mask) { + var elem = src[srcPos++]; + mask = 128; + } + dest[destPos] = (elem & mask) ? 0 : 255; + destPos += 4; + mask >>= 1; + } + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } + + function copyCtxState(sourceCtx, destCtx) { + var properties = ['strokeStyle', 'fillStyle', 'fillRule', 'globalAlpha', + 'lineWidth', 'lineCap', 'lineJoin', 'miterLimit', + 'globalCompositeOperation', 'font']; + for (var i = 0, ii = properties.length; i < ii; i++) { + var property = properties[i]; + if (sourceCtx[property] !== undefined) { + destCtx[property] = sourceCtx[property]; + } + } + if (sourceCtx.setLineDash !== undefined) { + destCtx.setLineDash(sourceCtx.getLineDash()); + destCtx.lineDashOffset = sourceCtx.lineDashOffset; + } else if (sourceCtx.mozDashOffset !== undefined) { + destCtx.mozDash = sourceCtx.mozDash; + destCtx.mozDashOffset = sourceCtx.mozDashOffset; + } + } + + function composeSMaskBackdrop(bytes, r0, g0, b0) { + var length = bytes.length; + for (var i = 3; i < length; i += 4) { + var alpha = bytes[i]; + if (alpha === 0) { + bytes[i - 3] = r0; + bytes[i - 2] = g0; + bytes[i - 1] = b0; + } else if (alpha < 255) { + var alpha_ = 255 - alpha; + bytes[i - 3] = (bytes[i - 3] * alpha + r0 * alpha_) >> 8; + bytes[i - 2] = (bytes[i - 2] * alpha + g0 * alpha_) >> 8; + bytes[i - 1] = (bytes[i - 1] * alpha + b0 * alpha_) >> 8; + } + } + } + + function composeSMaskAlpha(maskData, layerData, transferMap) { + var length = maskData.length; + var scale = 1 / 255; + for (var i = 3; i < length; i += 4) { + var alpha = transferMap ? transferMap[maskData[i]] : maskData[i]; + layerData[i] = (layerData[i] * alpha * scale) | 0; + } + } + + function composeSMaskLuminosity(maskData, layerData, transferMap) { + var length = maskData.length; + for (var i = 3; i < length; i += 4) { + var y = (maskData[i - 3] * 77) + // * 0.3 / 255 * 0x10000 + (maskData[i - 2] * 152) + // * 0.59 .... + (maskData[i - 1] * 28); // * 0.11 .... + layerData[i] = transferMap ? + (layerData[i] * transferMap[y >> 8]) >> 8 : + (layerData[i] * y) >> 16; + } + } + + function genericComposeSMask(maskCtx, layerCtx, width, height, + subtype, backdrop, transferMap) { + var hasBackdrop = !!backdrop; + var r0 = hasBackdrop ? backdrop[0] : 0; + var g0 = hasBackdrop ? backdrop[1] : 0; + var b0 = hasBackdrop ? backdrop[2] : 0; + + var composeFn; + if (subtype === 'Luminosity') { + composeFn = composeSMaskLuminosity; + } else { + composeFn = composeSMaskAlpha; + } + + // processing image in chunks to save memory + var PIXELS_TO_PROCESS = 1048576; + var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width)); + for (var row = 0; row < height; row += chunkSize) { + var chunkHeight = Math.min(chunkSize, height - row); + var maskData = maskCtx.getImageData(0, row, width, chunkHeight); + var layerData = layerCtx.getImageData(0, row, width, chunkHeight); + + if (hasBackdrop) { + composeSMaskBackdrop(maskData.data, r0, g0, b0); + } + composeFn(maskData.data, layerData.data, transferMap); + + maskCtx.putImageData(layerData, 0, row); + } + } + + function composeSMask(ctx, smask, layerCtx) { + var mask = smask.canvas; + var maskCtx = smask.context; + + ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, + smask.offsetX, smask.offsetY); + + var backdrop = smask.backdrop || null; + if (!smask.transferMap && WebGLUtils.isEnabled) { + var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask, + {subtype: smask.subtype, backdrop: backdrop}); + ctx.setTransform(1, 0, 0, 1, 0, 0); + ctx.drawImage(composed, smask.offsetX, smask.offsetY); + return; + } + genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, + smask.subtype, backdrop, smask.transferMap); + ctx.drawImage(mask, 0, 0); + } + + var LINE_CAP_STYLES = ['butt', 'round', 'square']; + var LINE_JOIN_STYLES = ['miter', 'round', 'bevel']; + var NORMAL_CLIP = {}; + var EO_CLIP = {}; + + CanvasGraphics.prototype = { + + beginDrawing: function CanvasGraphics_beginDrawing(transform, viewport, + transparency) { + // For pdfs that use blend modes we have to clear the canvas else certain + // blend modes can look wrong since we'd be blending with a white + // backdrop. The problem with a transparent backdrop though is we then + // don't get sub pixel anti aliasing on text, creating temporary + // transparent canvas when we have blend modes. + var width = this.ctx.canvas.width; + var height = this.ctx.canvas.height; + + this.ctx.save(); + this.ctx.fillStyle = 'rgb(255, 255, 255)'; + this.ctx.fillRect(0, 0, width, height); + this.ctx.restore(); + + if (transparency) { + var transparentCanvas = this.cachedCanvases.getCanvas( + 'transparent', width, height, true); + this.compositeCtx = this.ctx; + this.transparentCanvas = transparentCanvas.canvas; + this.ctx = transparentCanvas.context; + this.ctx.save(); + // The transform can be applied before rendering, transferring it to + // the new canvas. + this.ctx.transform.apply(this.ctx, + this.compositeCtx.mozCurrentTransform); + } + + this.ctx.save(); + if (transform) { + this.ctx.transform.apply(this.ctx, transform); + } + this.ctx.transform.apply(this.ctx, viewport.transform); + + this.baseTransform = this.ctx.mozCurrentTransform.slice(); + + if (this.imageLayer) { + this.imageLayer.beginLayout(); + } + }, + + executeOperatorList: function CanvasGraphics_executeOperatorList( + operatorList, + executionStartIdx, continueCallback, + stepper) { + var argsArray = operatorList.argsArray; + var fnArray = operatorList.fnArray; + var i = executionStartIdx || 0; + var argsArrayLen = argsArray.length; + + // Sometimes the OperatorList to execute is empty. + if (argsArrayLen === i) { + return i; + } + + var chunkOperations = (argsArrayLen - i > EXECUTION_STEPS && + typeof continueCallback === 'function'); + var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0; + var steps = 0; + + var commonObjs = this.commonObjs; + var objs = this.objs; + var fnId; + + while (true) { + if (stepper !== undefined && i === stepper.nextBreakPoint) { + stepper.breakIt(i, continueCallback); + return i; + } + + fnId = fnArray[i]; + + if (fnId !== OPS.dependency) { + this[fnId].apply(this, argsArray[i]); + } else { + var deps = argsArray[i]; + for (var n = 0, nn = deps.length; n < nn; n++) { + var depObjId = deps[n]; + var common = depObjId[0] === 'g' && depObjId[1] === '_'; + var objsPool = common ? commonObjs : objs; + + // If the promise isn't resolved yet, add the continueCallback + // to the promise and bail out. + if (!objsPool.isResolved(depObjId)) { + objsPool.get(depObjId, continueCallback); + return i; + } + } + } + + i++; + + // If the entire operatorList was executed, stop as were done. + if (i === argsArrayLen) { + return i; + } + + // If the execution took longer then a certain amount of time and + // `continueCallback` is specified, interrupt the execution. + if (chunkOperations && ++steps > EXECUTION_STEPS) { + if (Date.now() > endTime) { + continueCallback(); + return i; + } + steps = 0; + } + + // If the operatorList isn't executed completely yet OR the execution + // time was short enough, do another execution round. + } + }, + + endDrawing: function CanvasGraphics_endDrawing() { + this.ctx.restore(); + + if (this.transparentCanvas) { + this.ctx = this.compositeCtx; + this.ctx.drawImage(this.transparentCanvas, 0, 0); + this.transparentCanvas = null; + } + + this.cachedCanvases.clear(); + WebGLUtils.clear(); + + if (this.imageLayer) { + this.imageLayer.endLayout(); + } + }, + + // Graphics state + setLineWidth: function CanvasGraphics_setLineWidth(width) { + this.current.lineWidth = width; + this.ctx.lineWidth = width; + }, + setLineCap: function CanvasGraphics_setLineCap(style) { + this.ctx.lineCap = LINE_CAP_STYLES[style]; + }, + setLineJoin: function CanvasGraphics_setLineJoin(style) { + this.ctx.lineJoin = LINE_JOIN_STYLES[style]; + }, + setMiterLimit: function CanvasGraphics_setMiterLimit(limit) { + this.ctx.miterLimit = limit; + }, + setDash: function CanvasGraphics_setDash(dashArray, dashPhase) { + var ctx = this.ctx; + if (ctx.setLineDash !== undefined) { + ctx.setLineDash(dashArray); + ctx.lineDashOffset = dashPhase; + } else { + ctx.mozDash = dashArray; + ctx.mozDashOffset = dashPhase; + } + }, + setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) { + // Maybe if we one day fully support color spaces this will be important + // for now we can ignore. + // TODO set rendering intent? + }, + setFlatness: function CanvasGraphics_setFlatness(flatness) { + // There's no way to control this with canvas, but we can safely ignore. + // TODO set flatness? + }, + setGState: function CanvasGraphics_setGState(states) { + for (var i = 0, ii = states.length; i < ii; i++) { + var state = states[i]; + var key = state[0]; + var value = state[1]; + + switch (key) { + case 'LW': + this.setLineWidth(value); + break; + case 'LC': + this.setLineCap(value); + break; + case 'LJ': + this.setLineJoin(value); + break; + case 'ML': + this.setMiterLimit(value); + break; + case 'D': + this.setDash(value[0], value[1]); + break; + case 'RI': + this.setRenderingIntent(value); + break; + case 'FL': + this.setFlatness(value); + break; + case 'Font': + this.setFont(value[0], value[1]); + break; + case 'CA': + this.current.strokeAlpha = state[1]; + break; + case 'ca': + this.current.fillAlpha = state[1]; + this.ctx.globalAlpha = state[1]; + break; + case 'BM': + if (value && value.name && (value.name !== 'Normal')) { + var mode = value.name.replace(/([A-Z])/g, + function(c) { + return '-' + c.toLowerCase(); + } + ).substring(1); + this.ctx.globalCompositeOperation = mode; + if (this.ctx.globalCompositeOperation !== mode) { + warn('globalCompositeOperation "' + mode + + '" is not supported'); + } + } else { + this.ctx.globalCompositeOperation = 'source-over'; + } + break; + case 'SMask': + if (this.current.activeSMask) { + this.endSMaskGroup(); + } + this.current.activeSMask = value ? this.tempSMask : null; + if (this.current.activeSMask) { + this.beginSMaskGroup(); + } + this.tempSMask = null; + break; + } + } + }, + beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() { + + var activeSMask = this.current.activeSMask; + var drawnWidth = activeSMask.canvas.width; + var drawnHeight = activeSMask.canvas.height; + var cacheId = 'smaskGroupAt' + this.groupLevel; + var scratchCanvas = this.cachedCanvases.getCanvas( + cacheId, drawnWidth, drawnHeight, true); + + var currentCtx = this.ctx; + var currentTransform = currentCtx.mozCurrentTransform; + this.ctx.save(); + + var groupCtx = scratchCanvas.context; + groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY); + groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([ + ['BM', 'Normal'], + ['ca', 1], + ['CA', 1] + ]); + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + endSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.ctx; + this.groupLevel--; + this.ctx = this.groupStack.pop(); + + composeSMask(this.ctx, this.current.activeSMask, groupCtx); + this.ctx.restore(); + copyCtxState(groupCtx, this.ctx); + }, + save: function CanvasGraphics_save() { + this.ctx.save(); + var old = this.current; + this.stateStack.push(old); + this.current = old.clone(); + this.current.activeSMask = null; + }, + restore: function CanvasGraphics_restore() { + if (this.stateStack.length !== 0) { + if (this.current.activeSMask !== null) { + this.endSMaskGroup(); + } + + this.current = this.stateStack.pop(); + this.ctx.restore(); + + // Ensure that the clipping path is reset (fixes issue6413.pdf). + this.pendingClip = null; + + this.cachedGetSinglePixelWidth = null; + } + }, + transform: function CanvasGraphics_transform(a, b, c, d, e, f) { + this.ctx.transform(a, b, c, d, e, f); + + this.cachedGetSinglePixelWidth = null; + }, + + // Path + constructPath: function CanvasGraphics_constructPath(ops, args) { + var ctx = this.ctx; + var current = this.current; + var x = current.x, y = current.y; + for (var i = 0, j = 0, ii = ops.length; i < ii; i++) { + switch (ops[i] | 0) { + case OPS.rectangle: + x = args[j++]; + y = args[j++]; + var width = args[j++]; + var height = args[j++]; + if (width === 0) { + width = this.getSinglePixelWidth(); + } + if (height === 0) { + height = this.getSinglePixelWidth(); + } + var xw = x + width; + var yh = y + height; + this.ctx.moveTo(x, y); + this.ctx.lineTo(xw, y); + this.ctx.lineTo(xw, yh); + this.ctx.lineTo(x, yh); + this.ctx.lineTo(x, y); + this.ctx.closePath(); + break; + case OPS.moveTo: + x = args[j++]; + y = args[j++]; + ctx.moveTo(x, y); + break; + case OPS.lineTo: + x = args[j++]; + y = args[j++]; + ctx.lineTo(x, y); + break; + case OPS.curveTo: + x = args[j + 4]; + y = args[j + 5]; + ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], + x, y); + j += 6; + break; + case OPS.curveTo2: + ctx.bezierCurveTo(x, y, args[j], args[j + 1], + args[j + 2], args[j + 3]); + x = args[j + 2]; + y = args[j + 3]; + j += 4; + break; + case OPS.curveTo3: + x = args[j + 2]; + y = args[j + 3]; + ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y); + j += 4; + break; + case OPS.closePath: + ctx.closePath(); + break; + } + } + current.setCurrentPoint(x, y); + }, + closePath: function CanvasGraphics_closePath() { + this.ctx.closePath(); + }, + stroke: function CanvasGraphics_stroke(consumePath) { + consumePath = typeof consumePath !== 'undefined' ? consumePath : true; + var ctx = this.ctx; + var strokeColor = this.current.strokeColor; + // Prevent drawing too thin lines by enforcing a minimum line width. + ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, + this.current.lineWidth); + // For stroke we want to temporarily change the global alpha to the + // stroking alpha. + ctx.globalAlpha = this.current.strokeAlpha; + if (strokeColor && strokeColor.hasOwnProperty('type') && + strokeColor.type === 'Pattern') { + // for patterns, we transform to pattern space, calculate + // the pattern, call stroke, and restore to user space + ctx.save(); + ctx.strokeStyle = strokeColor.getPattern(ctx, this); + ctx.stroke(); + ctx.restore(); + } else { + ctx.stroke(); + } + if (consumePath) { + this.consumePath(); + } + // Restore the global alpha to the fill alpha + ctx.globalAlpha = this.current.fillAlpha; + }, + closeStroke: function CanvasGraphics_closeStroke() { + this.closePath(); + this.stroke(); + }, + fill: function CanvasGraphics_fill(consumePath) { + consumePath = typeof consumePath !== 'undefined' ? consumePath : true; + var ctx = this.ctx; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var needRestore = false; + + if (isPatternFill) { + ctx.save(); + if (this.baseTransform) { + ctx.setTransform.apply(ctx, this.baseTransform); + } + ctx.fillStyle = fillColor.getPattern(ctx, this); + needRestore = true; + } + + if (this.pendingEOFill) { + if (ctx.mozFillRule !== undefined) { + ctx.mozFillRule = 'evenodd'; + ctx.fill(); + ctx.mozFillRule = 'nonzero'; + } else { + ctx.fill('evenodd'); + } + this.pendingEOFill = false; + } else { + ctx.fill(); + } + + if (needRestore) { + ctx.restore(); + } + if (consumePath) { + this.consumePath(); + } + }, + eoFill: function CanvasGraphics_eoFill() { + this.pendingEOFill = true; + this.fill(); + }, + fillStroke: function CanvasGraphics_fillStroke() { + this.fill(false); + this.stroke(false); + + this.consumePath(); + }, + eoFillStroke: function CanvasGraphics_eoFillStroke() { + this.pendingEOFill = true; + this.fillStroke(); + }, + closeFillStroke: function CanvasGraphics_closeFillStroke() { + this.closePath(); + this.fillStroke(); + }, + closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() { + this.pendingEOFill = true; + this.closePath(); + this.fillStroke(); + }, + endPath: function CanvasGraphics_endPath() { + this.consumePath(); + }, + + // Clipping + clip: function CanvasGraphics_clip() { + this.pendingClip = NORMAL_CLIP; + }, + eoClip: function CanvasGraphics_eoClip() { + this.pendingClip = EO_CLIP; + }, + + // Text + beginText: function CanvasGraphics_beginText() { + this.current.textMatrix = IDENTITY_MATRIX; + this.current.textMatrixScale = 1; + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + endText: function CanvasGraphics_endText() { + var paths = this.pendingTextPaths; + var ctx = this.ctx; + if (paths === undefined) { + ctx.beginPath(); + return; + } + + ctx.save(); + ctx.beginPath(); + for (var i = 0; i < paths.length; i++) { + var path = paths[i]; + ctx.setTransform.apply(ctx, path.transform); + ctx.translate(path.x, path.y); + path.addToPath(ctx, path.fontSize); + } + ctx.restore(); + ctx.clip(); + ctx.beginPath(); + delete this.pendingTextPaths; + }, + setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) { + this.current.charSpacing = spacing; + }, + setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) { + this.current.wordSpacing = spacing; + }, + setHScale: function CanvasGraphics_setHScale(scale) { + this.current.textHScale = scale / 100; + }, + setLeading: function CanvasGraphics_setLeading(leading) { + this.current.leading = -leading; + }, + setFont: function CanvasGraphics_setFont(fontRefName, size) { + var fontObj = this.commonObjs.get(fontRefName); + var current = this.current; + + if (!fontObj) { + error('Can\'t find font for ' + fontRefName); + } + + current.fontMatrix = (fontObj.fontMatrix ? + fontObj.fontMatrix : FONT_IDENTITY_MATRIX); + + // A valid matrix needs all main diagonal elements to be non-zero + // This also ensures we bypass FF bugzilla bug #719844. + if (current.fontMatrix[0] === 0 || + current.fontMatrix[3] === 0) { + warn('Invalid font matrix for font ' + fontRefName); + } + + // The spec for Tf (setFont) says that 'size' specifies the font 'scale', + // and in some docs this can be negative (inverted x-y axes). + if (size < 0) { + size = -size; + current.fontDirection = -1; + } else { + current.fontDirection = 1; + } + + this.current.font = fontObj; + this.current.fontSize = size; + + if (fontObj.isType3Font) { + return; // we don't need ctx.font for Type3 fonts + } + + var name = fontObj.loadedName || 'sans-serif'; + var bold = fontObj.black ? (fontObj.bold ? '900' : 'bold') : + (fontObj.bold ? 'bold' : 'normal'); + + var italic = fontObj.italic ? 'italic' : 'normal'; + var typeface = '"' + name + '", ' + fontObj.fallbackName; + + // Some font backends cannot handle fonts below certain size. + // Keeping the font at minimal size and using the fontSizeScale to change + // the current transformation matrix before the fillText/strokeText. + // See https://bugzilla.mozilla.org/show_bug.cgi?id=726227 + var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : + size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size; + this.current.fontSizeScale = size / browserFontSize; + + var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface; + this.ctx.font = rule; + }, + setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) { + this.current.textRenderingMode = mode; + }, + setTextRise: function CanvasGraphics_setTextRise(rise) { + this.current.textRise = rise; + }, + moveText: function CanvasGraphics_moveText(x, y) { + this.current.x = this.current.lineX += x; + this.current.y = this.current.lineY += y; + }, + setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) { + this.setLeading(-y); + this.moveText(x, y); + }, + setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) { + this.current.textMatrix = [a, b, c, d, e, f]; + this.current.textMatrixScale = Math.sqrt(a * a + b * b); + + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + nextLine: function CanvasGraphics_nextLine() { + this.moveText(0, this.current.leading); + }, + + paintChar: function CanvasGraphics_paintChar(character, x, y) { + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var textRenderingMode = current.textRenderingMode; + var fontSize = current.fontSize / current.fontSizeScale; + var fillStrokeMode = textRenderingMode & + TextRenderingMode.FILL_STROKE_MASK; + var isAddToPathSet = !!(textRenderingMode & + TextRenderingMode.ADD_TO_PATH_FLAG); + + var addToPath; + if (font.disableFontFace || isAddToPathSet) { + addToPath = font.getPathGenerator(this.commonObjs, character); + } + + if (font.disableFontFace) { + ctx.save(); + ctx.translate(x, y); + ctx.beginPath(); + addToPath(ctx, fontSize); + if (fillStrokeMode === TextRenderingMode.FILL || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.fill(); + } + if (fillStrokeMode === TextRenderingMode.STROKE || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.stroke(); + } + ctx.restore(); + } else { + if (fillStrokeMode === TextRenderingMode.FILL || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.fillText(character, x, y); + } + if (fillStrokeMode === TextRenderingMode.STROKE || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.strokeText(character, x, y); + } + } + + if (isAddToPathSet) { + var paths = this.pendingTextPaths || (this.pendingTextPaths = []); + paths.push({ + transform: ctx.mozCurrentTransform, + x: x, + y: y, + fontSize: fontSize, + addToPath: addToPath + }); + } + }, + + get isFontSubpixelAAEnabled() { + // Checks if anti-aliasing is enabled when scaled text is painted. + // On Windows GDI scaled fonts looks bad. + var ctx = document.createElement('canvas').getContext('2d'); + ctx.scale(1.5, 1); + ctx.fillText('I', 0, 10); + var data = ctx.getImageData(0, 0, 10, 10).data; + var enabled = false; + for (var i = 3; i < data.length; i += 4) { + if (data[i] > 0 && data[i] < 255) { + enabled = true; + break; + } + } + return shadow(this, 'isFontSubpixelAAEnabled', enabled); + }, + + showText: function CanvasGraphics_showText(glyphs) { + var current = this.current; + var font = current.font; + if (font.isType3Font) { + return this.showType3Text(glyphs); + } + + var fontSize = current.fontSize; + if (fontSize === 0) { + return; + } + + var ctx = this.ctx; + var fontSizeScale = current.fontSizeScale; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var fontDirection = current.fontDirection; + var textHScale = current.textHScale * fontDirection; + var glyphsLength = glyphs.length; + var vertical = font.vertical; + var spacingDir = vertical ? 1 : -1; + var defaultVMetrics = font.defaultVMetrics; + var widthAdvanceScale = fontSize * current.fontMatrix[0]; + + var simpleFillText = + current.textRenderingMode === TextRenderingMode.FILL && + !font.disableFontFace; + + ctx.save(); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y + current.textRise); + + if (fontDirection > 0) { + ctx.scale(textHScale, -1); + } else { + ctx.scale(textHScale, 1); + } + + var lineWidth = current.lineWidth; + var scale = current.textMatrixScale; + if (scale === 0 || lineWidth === 0) { + var fillStrokeMode = current.textRenderingMode & + TextRenderingMode.FILL_STROKE_MASK; + if (fillStrokeMode === TextRenderingMode.STROKE || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + this.cachedGetSinglePixelWidth = null; + lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR; + } + } else { + lineWidth /= scale; + } + + if (fontSizeScale !== 1.0) { + ctx.scale(fontSizeScale, fontSizeScale); + lineWidth /= fontSizeScale; + } + + ctx.lineWidth = lineWidth; + + var x = 0, i; + for (i = 0; i < glyphsLength; ++i) { + var glyph = glyphs[i]; + if (isNum(glyph)) { + x += spacingDir * glyph * fontSize / 1000; + continue; + } + + var restoreNeeded = false; + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var character = glyph.fontChar; + var accent = glyph.accent; + var scaledX, scaledY, scaledAccentX, scaledAccentY; + var width = glyph.width; + if (vertical) { + var vmetric, vx, vy; + vmetric = glyph.vmetric || defaultVMetrics; + vx = glyph.vmetric ? vmetric[1] : width * 0.5; + vx = -vx * widthAdvanceScale; + vy = vmetric[2] * widthAdvanceScale; + + width = vmetric ? -vmetric[0] : width; + scaledX = vx / fontSizeScale; + scaledY = (x + vy) / fontSizeScale; + } else { + scaledX = x / fontSizeScale; + scaledY = 0; + } + + if (font.remeasure && width > 0) { + // Some standard fonts may not have the exact width: rescale per + // character if measured width is greater than expected glyph width + // and subpixel-aa is enabled, otherwise just center the glyph. + var measuredWidth = ctx.measureText(character).width * 1000 / + fontSize * fontSizeScale; + if (width < measuredWidth && this.isFontSubpixelAAEnabled) { + var characterScaleX = width / measuredWidth; + restoreNeeded = true; + ctx.save(); + ctx.scale(characterScaleX, 1); + scaledX /= characterScaleX; + } else if (width !== measuredWidth) { + scaledX += (width - measuredWidth) / 2000 * + fontSize / fontSizeScale; + } + } + + if (simpleFillText && !accent) { + // common case + ctx.fillText(character, scaledX, scaledY); + } else { + this.paintChar(character, scaledX, scaledY); + if (accent) { + scaledAccentX = scaledX + accent.offset.x / fontSizeScale; + scaledAccentY = scaledY - accent.offset.y / fontSizeScale; + this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY); + } + } + + var charWidth = width * widthAdvanceScale + spacing * fontDirection; + x += charWidth; + + if (restoreNeeded) { + ctx.restore(); + } + } + if (vertical) { + current.y -= x * textHScale; + } else { + current.x += x * textHScale; + } + ctx.restore(); + }, + + showType3Text: function CanvasGraphics_showType3Text(glyphs) { + // Type3 fonts - each glyph is a "mini-PDF" + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var fontSize = current.fontSize; + var fontDirection = current.fontDirection; + var spacingDir = font.vertical ? 1 : -1; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var textHScale = current.textHScale * fontDirection; + var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX; + var glyphsLength = glyphs.length; + var isTextInvisible = + current.textRenderingMode === TextRenderingMode.INVISIBLE; + var i, glyph, width, spacingLength; + + if (isTextInvisible || fontSize === 0) { + return; + } + this.cachedGetSinglePixelWidth = null; + + ctx.save(); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y); + + ctx.scale(textHScale, fontDirection); + + for (i = 0; i < glyphsLength; ++i) { + glyph = glyphs[i]; + if (isNum(glyph)) { + spacingLength = spacingDir * glyph * fontSize / 1000; + this.ctx.translate(spacingLength, 0); + current.x += spacingLength * textHScale; + continue; + } + + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var operatorList = font.charProcOperatorList[glyph.operatorListId]; + if (!operatorList) { + warn('Type3 character \"' + glyph.operatorListId + + '\" is not available'); + continue; + } + this.processingType3 = glyph; + this.save(); + ctx.scale(fontSize, fontSize); + ctx.transform.apply(ctx, fontMatrix); + this.executeOperatorList(operatorList); + this.restore(); + + var transformed = Util.applyTransform([glyph.width, 0], fontMatrix); + width = transformed[0] * fontSize + spacing; + + ctx.translate(width, 0); + current.x += width * textHScale; + } + ctx.restore(); + this.processingType3 = null; + }, + + // Type3 fonts + setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) { + // We can safely ignore this since the width should be the same + // as the width in the Widths array. + }, + setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, + yWidth, + llx, + lly, + urx, + ury) { + // TODO According to the spec we're also suppose to ignore any operators + // that set color or include images while processing this type3 font. + this.ctx.rect(llx, lly, urx - llx, ury - lly); + this.clip(); + this.endPath(); + }, + + // Color + getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) { + var pattern; + if (IR[0] === 'TilingPattern') { + var color = IR[1]; + var baseTransform = this.baseTransform || + this.ctx.mozCurrentTransform.slice(); + var self = this; + var canvasGraphicsFactory = { + createCanvasGraphics: function (ctx) { + return new CanvasGraphics(ctx, self.commonObjs, self.objs); + } + }; + pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, + baseTransform); + } else { + pattern = getShadingPatternFromIR(IR); + } + return pattern; + }, + setStrokeColorN: function CanvasGraphics_setStrokeColorN(/*...*/) { + this.current.strokeColor = this.getColorN_Pattern(arguments); + }, + setFillColorN: function CanvasGraphics_setFillColorN(/*...*/) { + this.current.fillColor = this.getColorN_Pattern(arguments); + this.current.patternFill = true; + }, + setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.ctx.strokeStyle = color; + this.current.strokeColor = color; + }, + setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.ctx.fillStyle = color; + this.current.fillColor = color; + this.current.patternFill = false; + }, + + shadingFill: function CanvasGraphics_shadingFill(patternIR) { + var ctx = this.ctx; + + this.save(); + var pattern = getShadingPatternFromIR(patternIR); + ctx.fillStyle = pattern.getPattern(ctx, this, true); + + var inv = ctx.mozCurrentTransformInverse; + if (inv) { + var canvas = ctx.canvas; + var width = canvas.width; + var height = canvas.height; + + var bl = Util.applyTransform([0, 0], inv); + var br = Util.applyTransform([0, height], inv); + var ul = Util.applyTransform([width, 0], inv); + var ur = Util.applyTransform([width, height], inv); + + var x0 = Math.min(bl[0], br[0], ul[0], ur[0]); + var y0 = Math.min(bl[1], br[1], ul[1], ur[1]); + var x1 = Math.max(bl[0], br[0], ul[0], ur[0]); + var y1 = Math.max(bl[1], br[1], ul[1], ur[1]); + + this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0); + } else { + // HACK to draw the gradient onto an infinite rectangle. + // PDF gradients are drawn across the entire image while + // Canvas only allows gradients to be drawn in a rectangle + // The following bug should allow us to remove this. + // https://bugzilla.mozilla.org/show_bug.cgi?id=664884 + + this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10); + } + + this.restore(); + }, + + // Images + beginInlineImage: function CanvasGraphics_beginInlineImage() { + error('Should not call beginInlineImage'); + }, + beginImageData: function CanvasGraphics_beginImageData() { + error('Should not call beginImageData'); + }, + + paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, + bbox) { + this.save(); + this.baseTransformStack.push(this.baseTransform); + + if (isArray(matrix) && 6 === matrix.length) { + this.transform.apply(this, matrix); + } + + this.baseTransform = this.ctx.mozCurrentTransform; + + if (isArray(bbox) && 4 === bbox.length) { + var width = bbox[2] - bbox[0]; + var height = bbox[3] - bbox[1]; + this.ctx.rect(bbox[0], bbox[1], width, height); + this.clip(); + this.endPath(); + } + }, + + paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() { + this.restore(); + this.baseTransform = this.baseTransformStack.pop(); + }, + + beginGroup: function CanvasGraphics_beginGroup(group) { + this.save(); + var currentCtx = this.ctx; + // TODO non-isolated groups - according to Rik at adobe non-isolated + // group results aren't usually that different and they even have tools + // that ignore this setting. Notes from Rik on implmenting: + // - When you encounter an transparency group, create a new canvas with + // the dimensions of the bbox + // - copy the content from the previous canvas to the new canvas + // - draw as usual + // - remove the backdrop alpha: + // alphaNew = 1 - (1 - alpha)/(1 - alphaBackdrop) with 'alpha' the alpha + // value of your transparency group and 'alphaBackdrop' the alpha of the + // backdrop + // - remove background color: + // colorNew = color - alphaNew *colorBackdrop /(1 - alphaNew) + if (!group.isolated) { + info('TODO: Support non-isolated groups.'); + } + + // TODO knockout - supposedly possible with the clever use of compositing + // modes. + if (group.knockout) { + warn('Knockout groups not supported.'); + } + + var currentTransform = currentCtx.mozCurrentTransform; + if (group.matrix) { + currentCtx.transform.apply(currentCtx, group.matrix); + } + assert(group.bbox, 'Bounding box is required.'); + + // Based on the current transform figure out how big the bounding box + // will actually be. + var bounds = Util.getAxialAlignedBoundingBox( + group.bbox, + currentCtx.mozCurrentTransform); + // Clip the bounding box to the current canvas. + var canvasBounds = [0, + 0, + currentCtx.canvas.width, + currentCtx.canvas.height]; + bounds = Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0]; + // Use ceil in case we're between sizes so we don't create canvas that is + // too small and make the canvas at least 1x1 pixels. + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1); + var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1); + var scaleX = 1, scaleY = 1; + if (drawnWidth > MAX_GROUP_SIZE) { + scaleX = drawnWidth / MAX_GROUP_SIZE; + drawnWidth = MAX_GROUP_SIZE; + } + if (drawnHeight > MAX_GROUP_SIZE) { + scaleY = drawnHeight / MAX_GROUP_SIZE; + drawnHeight = MAX_GROUP_SIZE; + } + + var cacheId = 'groupAt' + this.groupLevel; + if (group.smask) { + // Using two cache entries is case if masks are used one after another. + cacheId += '_smask_' + ((this.smaskCounter++) % 2); + } + var scratchCanvas = this.cachedCanvases.getCanvas( + cacheId, drawnWidth, drawnHeight, true); + var groupCtx = scratchCanvas.context; + + // Since we created a new canvas that is just the size of the bounding box + // we have to translate the group ctx. + groupCtx.scale(1 / scaleX, 1 / scaleY); + groupCtx.translate(-offsetX, -offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + + if (group.smask) { + // Saving state and cached mask to be used in setGState. + this.smaskStack.push({ + canvas: scratchCanvas.canvas, + context: groupCtx, + offsetX: offsetX, + offsetY: offsetY, + scaleX: scaleX, + scaleY: scaleY, + subtype: group.smask.subtype, + backdrop: group.smask.backdrop, + transferMap: group.smask.transferMap || null + }); + } else { + // Setup the current ctx so when the group is popped we draw it at the + // right location. + currentCtx.setTransform(1, 0, 0, 1, 0, 0); + currentCtx.translate(offsetX, offsetY); + currentCtx.scale(scaleX, scaleY); + } + // The transparency group inherits all off the current graphics state + // except the blend mode, soft mask, and alpha constants. + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([ + ['BM', 'Normal'], + ['ca', 1], + ['CA', 1] + ]); + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + + endGroup: function CanvasGraphics_endGroup(group) { + this.groupLevel--; + var groupCtx = this.ctx; + this.ctx = this.groupStack.pop(); + // Turn off image smoothing to avoid sub pixel interpolation which can + // look kind of blurry for some pdfs. + if (this.ctx.imageSmoothingEnabled !== undefined) { + this.ctx.imageSmoothingEnabled = false; + } else { + this.ctx.mozImageSmoothingEnabled = false; + } + if (group.smask) { + this.tempSMask = this.smaskStack.pop(); + } else { + this.ctx.drawImage(groupCtx.canvas, 0, 0); + } + this.restore(); + }, + + beginAnnotations: function CanvasGraphics_beginAnnotations() { + this.save(); + this.current = new CanvasExtraState(); + + if (this.baseTransform) { + this.ctx.setTransform.apply(this.ctx, this.baseTransform); + } + }, + + endAnnotations: function CanvasGraphics_endAnnotations() { + this.restore(); + }, + + beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, + matrix) { + this.save(); + + if (isArray(rect) && 4 === rect.length) { + var width = rect[2] - rect[0]; + var height = rect[3] - rect[1]; + this.ctx.rect(rect[0], rect[1], width, height); + this.clip(); + this.endPath(); + } + + this.transform.apply(this, transform); + this.transform.apply(this, matrix); + }, + + endAnnotation: function CanvasGraphics_endAnnotation() { + this.restore(); + }, + + paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) { + var domImage = this.objs.get(objId); + if (!domImage) { + warn('Dependent image isn\'t ready yet'); + return; + } + + this.save(); + + var ctx = this.ctx; + // scale the image to the unit square + ctx.scale(1 / w, -1 / h); + + ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, + 0, -h, w, h); + if (this.imageLayer) { + var currentTransform = ctx.mozCurrentTransformInverse; + var position = this.getCanvasPosition(0, 0); + this.imageLayer.appendImage({ + objId: objId, + left: position[0], + top: position[1], + width: w / currentTransform[0], + height: h / currentTransform[3] + }); + } + this.restore(); + }, + + paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) { + var ctx = this.ctx; + var width = img.width, height = img.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + + var glyph = this.processingType3; + + if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) { + if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) { + glyph.compiled = + compileType3Glyph({data: img.data, width: width, height: height}); + } else { + glyph.compiled = null; + } + } + + if (glyph && glyph.compiled) { + glyph.compiled(ctx); + return; + } + + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', + width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + + putBinaryImageMask(maskCtx, img); + + maskCtx.globalCompositeOperation = 'source-in'; + + maskCtx.fillStyle = isPatternFill ? + fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + + maskCtx.restore(); + + this.paintInlineImageXObject(maskCanvas.canvas); + }, + + paintImageMaskXObjectRepeat: + function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, + scaleY, positions) { + var width = imgData.width; + var height = imgData.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', + width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + + putBinaryImageMask(maskCtx, imgData); + + maskCtx.globalCompositeOperation = 'source-in'; + + maskCtx.fillStyle = isPatternFill ? + fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + + maskCtx.restore(); + + var ctx = this.ctx; + for (var i = 0, ii = positions.length; i < ii; i += 2) { + ctx.save(); + ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, + 0, -1, 1, 1); + ctx.restore(); + } + }, + + paintImageMaskXObjectGroup: + function CanvasGraphics_paintImageMaskXObjectGroup(images) { + var ctx = this.ctx; + + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + for (var i = 0, ii = images.length; i < ii; i++) { + var image = images[i]; + var width = image.width, height = image.height; + + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', + width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + + putBinaryImageMask(maskCtx, image); + + maskCtx.globalCompositeOperation = 'source-in'; + + maskCtx.fillStyle = isPatternFill ? + fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + + maskCtx.restore(); + + ctx.save(); + ctx.transform.apply(ctx, image.transform); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, + 0, -1, 1, 1); + ctx.restore(); + } + }, + + paintImageXObject: function CanvasGraphics_paintImageXObject(objId) { + var imgData = this.objs.get(objId); + if (!imgData) { + warn('Dependent image isn\'t ready yet'); + return; + } + + this.paintInlineImageXObject(imgData); + }, + + paintImageXObjectRepeat: + function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, + positions) { + var imgData = this.objs.get(objId); + if (!imgData) { + warn('Dependent image isn\'t ready yet'); + return; + } + + var width = imgData.width; + var height = imgData.height; + var map = []; + for (var i = 0, ii = positions.length; i < ii; i += 2) { + map.push({transform: [scaleX, 0, 0, scaleY, positions[i], + positions[i + 1]], x: 0, y: 0, w: width, h: height}); + } + this.paintInlineImageXObjectGroup(imgData, map); + }, + + paintInlineImageXObject: + function CanvasGraphics_paintInlineImageXObject(imgData) { + var width = imgData.width; + var height = imgData.height; + var ctx = this.ctx; + + this.save(); + // scale the image to the unit square + ctx.scale(1 / width, -1 / height); + + var currentTransform = ctx.mozCurrentTransformInverse; + var a = currentTransform[0], b = currentTransform[1]; + var widthScale = Math.max(Math.sqrt(a * a + b * b), 1); + var c = currentTransform[2], d = currentTransform[3]; + var heightScale = Math.max(Math.sqrt(c * c + d * d), 1); + + var imgToPaint, tmpCanvas; + // instanceof HTMLElement does not work in jsdom node.js module + if (imgData instanceof HTMLElement || !imgData.data) { + imgToPaint = imgData; + } else { + tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', + width, height); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + imgToPaint = tmpCanvas.canvas; + } + + var paintWidth = width, paintHeight = height; + var tmpCanvasId = 'prescale1'; + // Vertial or horizontal scaling shall not be more than 2 to not loose the + // pixels during drawImage operation, painting on the temporary canvas(es) + // that are twice smaller in size + while ((widthScale > 2 && paintWidth > 1) || + (heightScale > 2 && paintHeight > 1)) { + var newWidth = paintWidth, newHeight = paintHeight; + if (widthScale > 2 && paintWidth > 1) { + newWidth = Math.ceil(paintWidth / 2); + widthScale /= paintWidth / newWidth; + } + if (heightScale > 2 && paintHeight > 1) { + newHeight = Math.ceil(paintHeight / 2); + heightScale /= paintHeight / newHeight; + } + tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, + newWidth, newHeight); + tmpCtx = tmpCanvas.context; + tmpCtx.clearRect(0, 0, newWidth, newHeight); + tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, + 0, 0, newWidth, newHeight); + imgToPaint = tmpCanvas.canvas; + paintWidth = newWidth; + paintHeight = newHeight; + tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1'; + } + ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, + 0, -height, width, height); + + if (this.imageLayer) { + var position = this.getCanvasPosition(0, -height); + this.imageLayer.appendImage({ + imgData: imgData, + left: position[0], + top: position[1], + width: width / currentTransform[0], + height: height / currentTransform[3] + }); + } + this.restore(); + }, + + paintInlineImageXObjectGroup: + function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) { + var ctx = this.ctx; + var w = imgData.width; + var h = imgData.height; + + var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + + for (var i = 0, ii = map.length; i < ii; i++) { + var entry = map[i]; + ctx.save(); + ctx.transform.apply(ctx, entry.transform); + ctx.scale(1, -1); + ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, + 0, -1, 1, 1); + if (this.imageLayer) { + var position = this.getCanvasPosition(entry.x, entry.y); + this.imageLayer.appendImage({ + imgData: imgData, + left: position[0], + top: position[1], + width: w, + height: h + }); + } + ctx.restore(); + } + }, + + paintSolidColorImageMask: + function CanvasGraphics_paintSolidColorImageMask() { + this.ctx.fillRect(0, 0, 1, 1); + }, + + paintXObject: function CanvasGraphics_paintXObject() { + warn('Unsupported \'paintXObject\' command.'); + }, + + // Marked content + + markPoint: function CanvasGraphics_markPoint(tag) { + // TODO Marked content. + }, + markPointProps: function CanvasGraphics_markPointProps(tag, properties) { + // TODO Marked content. + }, + beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) { + // TODO Marked content. + }, + beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps( + tag, properties) { + // TODO Marked content. + }, + endMarkedContent: function CanvasGraphics_endMarkedContent() { + // TODO Marked content. + }, + + // Compatibility + + beginCompat: function CanvasGraphics_beginCompat() { + // TODO ignore undefined operators (should we do that anyway?) + }, + endCompat: function CanvasGraphics_endCompat() { + // TODO stop ignoring undefined operators + }, + + // Helper functions + + consumePath: function CanvasGraphics_consumePath() { + var ctx = this.ctx; + if (this.pendingClip) { + if (this.pendingClip === EO_CLIP) { + if (ctx.mozFillRule !== undefined) { + ctx.mozFillRule = 'evenodd'; + ctx.clip(); + ctx.mozFillRule = 'nonzero'; + } else { + ctx.clip('evenodd'); + } + } else { + ctx.clip(); + } + this.pendingClip = null; + } + ctx.beginPath(); + }, + getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) { + if (this.cachedGetSinglePixelWidth === null) { + var inverse = this.ctx.mozCurrentTransformInverse; + // max of the current horizontal and vertical scale + this.cachedGetSinglePixelWidth = Math.sqrt(Math.max( + (inverse[0] * inverse[0] + inverse[1] * inverse[1]), + (inverse[2] * inverse[2] + inverse[3] * inverse[3]))); + } + return this.cachedGetSinglePixelWidth; + }, + getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) { + var transform = this.ctx.mozCurrentTransform; + return [ + transform[0] * x + transform[2] * y + transform[4], + transform[1] * x + transform[3] * y + transform[5] + ]; + } + }; + + for (var op in OPS) { + CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op]; + } + + return CanvasGraphics; +})(); + +exports.CanvasGraphics = CanvasGraphics; +exports.createScratchCanvas = createScratchCanvas; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayAPI = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayFontLoader, root.pdfjsDisplayCanvas, + root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedUtil, displayFontLoader, displayCanvas, + sharedGlobal, amdRequire) { + +var InvalidPDFException = sharedUtil.InvalidPDFException; +var MessageHandler = sharedUtil.MessageHandler; +var MissingPDFException = sharedUtil.MissingPDFException; +var PasswordResponses = sharedUtil.PasswordResponses; +var PasswordException = sharedUtil.PasswordException; +var StatTimer = sharedUtil.StatTimer; +var UnexpectedResponseException = sharedUtil.UnexpectedResponseException; +var UnknownErrorException = sharedUtil.UnknownErrorException; +var Util = sharedUtil.Util; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var combineUrl = sharedUtil.combineUrl; +var error = sharedUtil.error; +var deprecated = sharedUtil.deprecated; +var info = sharedUtil.info; +var isArrayBuffer = sharedUtil.isArrayBuffer; +var loadJpegStream = sharedUtil.loadJpegStream; +var stringToBytes = sharedUtil.stringToBytes; +var warn = sharedUtil.warn; +var FontFaceObject = displayFontLoader.FontFaceObject; +var FontLoader = displayFontLoader.FontLoader; +var CanvasGraphics = displayCanvas.CanvasGraphics; +var createScratchCanvas = displayCanvas.createScratchCanvas; +var PDFJS = sharedGlobal.PDFJS; +var globalScope = sharedGlobal.globalScope; + +var DEFAULT_RANGE_CHUNK_SIZE = 65536; // 2^16 = 65536 + + +var useRequireEnsure = false; +if (typeof module !== 'undefined' && module.require) { + // node.js - disable worker and set require.ensure. + PDFJS.disableWorker = true; + if (typeof require.ensure === 'undefined') { + require.ensure = require('node-ensure'); + } + useRequireEnsure = true; +} +if (typeof __webpack_require__ !== 'undefined') { + // Webpack - get/bundle pdf.worker.js as additional file. + PDFJS.workerSrc = require('entry?name=[hash]-worker.js!./pdf.worker.js'); + useRequireEnsure = true; +} +var fakeWorkerFilesLoader = useRequireEnsure && function (callback) { + require.ensure([], function () { + require('./pdf.worker.js'); + callback(); + }); +}; + + +/** + * The maximum allowed image size in total pixels e.g. width * height. Images + * above this value will not be drawn. Use -1 for no limit. + * @var {number} + */ +PDFJS.maxImageSize = (PDFJS.maxImageSize === undefined ? + -1 : PDFJS.maxImageSize); + +/** + * The url of where the predefined Adobe CMaps are located. Include trailing + * slash. + * @var {string} + */ +PDFJS.cMapUrl = (PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl); + +/** + * Specifies if CMaps are binary packed. + * @var {boolean} + */ +PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked; + +/** + * By default fonts are converted to OpenType fonts and loaded via font face + * rules. If disabled, the font will be rendered using a built in font renderer + * that constructs the glyphs with primitive path commands. + * @var {boolean} + */ +PDFJS.disableFontFace = (PDFJS.disableFontFace === undefined ? + false : PDFJS.disableFontFace); + +/** + * Path for image resources, mainly for annotation icons. Include trailing + * slash. + * @var {string} + */ +PDFJS.imageResourcesPath = (PDFJS.imageResourcesPath === undefined ? + '' : PDFJS.imageResourcesPath); + +/** + * Disable the web worker and run all code on the main thread. This will happen + * automatically if the browser doesn't support workers or sending typed arrays + * to workers. + * @var {boolean} + */ +PDFJS.disableWorker = (PDFJS.disableWorker === undefined ? + false : PDFJS.disableWorker); + +/** + * Path and filename of the worker file. Required when the worker is enabled in + * development mode. If unspecified in the production build, the worker will be + * loaded based on the location of the pdf.js file. It is recommended that + * the workerSrc is set in a custom application to prevent issues caused by + * third-party frameworks and libraries. + * @var {string} + */ +PDFJS.workerSrc = (PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc); + +/** + * Disable range request loading of PDF files. When enabled and if the server + * supports partial content requests then the PDF will be fetched in chunks. + * Enabled (false) by default. + * @var {boolean} + */ +PDFJS.disableRange = (PDFJS.disableRange === undefined ? + false : PDFJS.disableRange); + +/** + * Disable streaming of PDF file data. By default PDF.js attempts to load PDF + * in chunks. This default behavior can be disabled. + * @var {boolean} + */ +PDFJS.disableStream = (PDFJS.disableStream === undefined ? + false : PDFJS.disableStream); + +/** + * Disable pre-fetching of PDF file data. When range requests are enabled PDF.js + * will automatically keep fetching more data even if it isn't needed to display + * the current page. This default behavior can be disabled. + * + * NOTE: It is also necessary to disable streaming, see above, + * in order for disabling of pre-fetching to work correctly. + * @var {boolean} + */ +PDFJS.disableAutoFetch = (PDFJS.disableAutoFetch === undefined ? + false : PDFJS.disableAutoFetch); + +/** + * Enables special hooks for debugging PDF.js. + * @var {boolean} + */ +PDFJS.pdfBug = (PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug); + +/** + * Enables transfer usage in postMessage for ArrayBuffers. + * @var {boolean} + */ +PDFJS.postMessageTransfers = (PDFJS.postMessageTransfers === undefined ? + true : PDFJS.postMessageTransfers); + +/** + * Disables URL.createObjectURL usage. + * @var {boolean} + */ +PDFJS.disableCreateObjectURL = (PDFJS.disableCreateObjectURL === undefined ? + false : PDFJS.disableCreateObjectURL); + +/** + * Disables WebGL usage. + * @var {boolean} + */ +PDFJS.disableWebGL = (PDFJS.disableWebGL === undefined ? + true : PDFJS.disableWebGL); + +/** + * Disables fullscreen support, and by extension Presentation Mode, + * in browsers which support the fullscreen API. + * @var {boolean} + */ +PDFJS.disableFullscreen = (PDFJS.disableFullscreen === undefined ? + false : PDFJS.disableFullscreen); + +/** + * Enables CSS only zooming. + * @var {boolean} + */ +PDFJS.useOnlyCssZoom = (PDFJS.useOnlyCssZoom === undefined ? + false : PDFJS.useOnlyCssZoom); + +/** + * Controls the logging level. + * The constants from PDFJS.VERBOSITY_LEVELS should be used: + * - errors + * - warnings [default] + * - infos + * @var {number} + */ +PDFJS.verbosity = (PDFJS.verbosity === undefined ? + PDFJS.VERBOSITY_LEVELS.warnings : PDFJS.verbosity); + +/** + * The maximum supported canvas size in total pixels e.g. width * height. + * The default value is 4096 * 4096. Use -1 for no limit. + * @var {number} + */ +PDFJS.maxCanvasPixels = (PDFJS.maxCanvasPixels === undefined ? + 16777216 : PDFJS.maxCanvasPixels); + +/** + * (Deprecated) Opens external links in a new window if enabled. + * The default behavior opens external links in the PDF.js window. + * + * NOTE: This property has been deprecated, please use + * `PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK` instead. + * @var {boolean} + */ +PDFJS.openExternalLinksInNewWindow = ( + PDFJS.openExternalLinksInNewWindow === undefined ? + false : PDFJS.openExternalLinksInNewWindow); + +/** + * Specifies the |target| attribute for external links. + * The constants from PDFJS.LinkTarget should be used: + * - NONE [default] + * - SELF + * - BLANK + * - PARENT + * - TOP + * @var {number} + */ +PDFJS.externalLinkTarget = (PDFJS.externalLinkTarget === undefined ? + PDFJS.LinkTarget.NONE : PDFJS.externalLinkTarget); + +/** + * Specifies the |rel| attribute for external links. Defaults to stripping + * the referrer. + * @var {string} + */ +PDFJS.externalLinkRel = (PDFJS.externalLinkRel === undefined ? + 'noreferrer' : PDFJS.externalLinkRel); + +/** + * Determines if we can eval strings as JS. Primarily used to improve + * performance for font rendering. + * @var {boolean} + */ +PDFJS.isEvalSupported = (PDFJS.isEvalSupported === undefined ? + true : PDFJS.isEvalSupported); + +/** + * Document initialization / loading parameters object. + * + * @typedef {Object} DocumentInitParameters + * @property {string} url - The URL of the PDF. + * @property {TypedArray|Array|string} data - Binary PDF data. Use typed arrays + * (Uint8Array) to improve the memory usage. If PDF data is BASE64-encoded, + * use atob() to convert it to a binary string first. + * @property {Object} httpHeaders - Basic authentication headers. + * @property {boolean} withCredentials - Indicates whether or not cross-site + * Access-Control requests should be made using credentials such as cookies + * or authorization headers. The default is false. + * @property {string} password - For decrypting password-protected PDFs. + * @property {TypedArray} initialData - A typed array with the first portion or + * all of the pdf data. Used by the extension since some data is already + * loaded before the switch to range requests. + * @property {number} length - The PDF file length. It's used for progress + * reports and range requests operations. + * @property {PDFDataRangeTransport} range + * @property {number} rangeChunkSize - Optional parameter to specify + * maximum number of bytes fetched per range request. The default value is + * 2^16 = 65536. + * @property {PDFWorker} worker - The worker that will be used for the loading + * and parsing of the PDF data. + */ + +/** + * @typedef {Object} PDFDocumentStats + * @property {Array} streamTypes - Used stream types in the document (an item + * is set to true if specific stream ID was used in the document). + * @property {Array} fontTypes - Used font type in the document (an item is set + * to true if specific font ID was used in the document). + */ + +/** + * This is the main entry point for loading a PDF and interacting with it. + * NOTE: If a URL is used to fetch the PDF data a standard XMLHttpRequest(XHR) + * is used, which means it must follow the same origin rules that any XHR does + * e.g. No cross domain requests without CORS. + * + * @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src + * Can be a url to where a PDF is located, a typed array (Uint8Array) + * already populated with data or parameter object. + * + * @param {PDFDataRangeTransport} pdfDataRangeTransport (deprecated) It is used + * if you want to manually serve range requests for data in the PDF. + * + * @param {function} passwordCallback (deprecated) It is used to request a + * password if wrong or no password was provided. The callback receives two + * parameters: function that needs to be called with new password and reason + * (see {PasswordResponses}). + * + * @param {function} progressCallback (deprecated) It is used to be able to + * monitor the loading progress of the PDF file (necessary to implement e.g. + * a loading bar). The callback receives an {Object} with the properties: + * {number} loaded and {number} total. + * + * @return {PDFDocumentLoadingTask} + */ +PDFJS.getDocument = function getDocument(src, + pdfDataRangeTransport, + passwordCallback, + progressCallback) { + var task = new PDFDocumentLoadingTask(); + + // Support of the obsolete arguments (for compatibility with API v1.0) + if (arguments.length > 1) { + deprecated('getDocument is called with pdfDataRangeTransport, ' + + 'passwordCallback or progressCallback argument'); + } + if (pdfDataRangeTransport) { + if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) { + // Not a PDFDataRangeTransport instance, trying to add missing properties. + pdfDataRangeTransport = Object.create(pdfDataRangeTransport); + pdfDataRangeTransport.length = src.length; + pdfDataRangeTransport.initialData = src.initialData; + if (!pdfDataRangeTransport.abort) { + pdfDataRangeTransport.abort = function () {}; + } + } + src = Object.create(src); + src.range = pdfDataRangeTransport; + } + task.onPassword = passwordCallback || null; + task.onProgress = progressCallback || null; + + var source; + if (typeof src === 'string') { + source = { url: src }; + } else if (isArrayBuffer(src)) { + source = { data: src }; + } else if (src instanceof PDFDataRangeTransport) { + source = { range: src }; + } else { + if (typeof src !== 'object') { + error('Invalid parameter in getDocument, need either Uint8Array, ' + + 'string or a parameter object'); + } + if (!src.url && !src.data && !src.range) { + error('Invalid parameter object: need either .data, .range or .url'); + } + + source = src; + } + + var params = {}; + var rangeTransport = null; + var worker = null; + for (var key in source) { + if (key === 'url' && typeof window !== 'undefined') { + // The full path is required in the 'url' field. + params[key] = combineUrl(window.location.href, source[key]); + continue; + } else if (key === 'range') { + rangeTransport = source[key]; + continue; + } else if (key === 'worker') { + worker = source[key]; + continue; + } else if (key === 'data' && !(source[key] instanceof Uint8Array)) { + // Converting string or array-like data to Uint8Array. + var pdfBytes = source[key]; + if (typeof pdfBytes === 'string') { + params[key] = stringToBytes(pdfBytes); + } else if (typeof pdfBytes === 'object' && pdfBytes !== null && + !isNaN(pdfBytes.length)) { + params[key] = new Uint8Array(pdfBytes); + } else if (isArrayBuffer(pdfBytes)) { + params[key] = new Uint8Array(pdfBytes); + } else { + error('Invalid PDF binary data: either typed array, string or ' + + 'array-like object is expected in the data property.'); + } + continue; + } + params[key] = source[key]; + } + + params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE; + + if (!worker) { + // Worker was not provided -- creating and owning our own. + worker = new PDFWorker(); + task._worker = worker; + } + var docId = task.docId; + worker.promise.then(function () { + if (task.destroyed) { + throw new Error('Loading aborted'); + } + return _fetchDocument(worker, params, rangeTransport, docId).then( + function (workerId) { + if (task.destroyed) { + throw new Error('Loading aborted'); + } + var messageHandler = new MessageHandler(docId, workerId, worker.port); + messageHandler.send('Ready', null); + var transport = new WorkerTransport(messageHandler, task, rangeTransport); + task._transport = transport; + }); + }).catch(task._capability.reject); + + return task; +}; + +/** + * Starts fetching of specified PDF document/data. + * @param {PDFWorker} worker + * @param {Object} source + * @param {PDFDataRangeTransport} pdfDataRangeTransport + * @param {string} docId Unique document id, used as MessageHandler id. + * @returns {Promise} The promise, which is resolved when worker id of + * MessageHandler is known. + * @private + */ +function _fetchDocument(worker, source, pdfDataRangeTransport, docId) { + if (worker.destroyed) { + return Promise.reject(new Error('Worker was destroyed')); + } + + source.disableAutoFetch = PDFJS.disableAutoFetch; + source.disableStream = PDFJS.disableStream; + source.chunkedViewerLoading = !!pdfDataRangeTransport; + if (pdfDataRangeTransport) { + source.length = pdfDataRangeTransport.length; + source.initialData = pdfDataRangeTransport.initialData; + } + return worker.messageHandler.sendWithPromise('GetDocRequest', { + docId: docId, + source: source, + disableRange: PDFJS.disableRange, + maxImageSize: PDFJS.maxImageSize, + cMapUrl: PDFJS.cMapUrl, + cMapPacked: PDFJS.cMapPacked, + disableFontFace: PDFJS.disableFontFace, + disableCreateObjectURL: PDFJS.disableCreateObjectURL, + verbosity: PDFJS.verbosity + }).then(function (workerId) { + if (worker.destroyed) { + throw new Error('Worker was destroyed'); + } + return workerId; + }); +} + +/** + * PDF document loading operation. + * @class + * @alias PDFDocumentLoadingTask + */ +var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() { + var nextDocumentId = 0; + + /** @constructs PDFDocumentLoadingTask */ + function PDFDocumentLoadingTask() { + this._capability = createPromiseCapability(); + this._transport = null; + this._worker = null; + + /** + * Unique document loading task id -- used in MessageHandlers. + * @type {string} + */ + this.docId = 'd' + (nextDocumentId++); + + /** + * Shows if loading task is destroyed. + * @type {boolean} + */ + this.destroyed = false; + + /** + * Callback to request a password if wrong or no password was provided. + * The callback receives two parameters: function that needs to be called + * with new password and reason (see {PasswordResponses}). + */ + this.onPassword = null; + + /** + * Callback to be able to monitor the loading progress of the PDF file + * (necessary to implement e.g. a loading bar). The callback receives + * an {Object} with the properties: {number} loaded and {number} total. + */ + this.onProgress = null; + + /** + * Callback to when unsupported feature is used. The callback receives + * an {PDFJS.UNSUPPORTED_FEATURES} argument. + */ + this.onUnsupportedFeature = null; + } + + PDFDocumentLoadingTask.prototype = + /** @lends PDFDocumentLoadingTask.prototype */ { + /** + * @return {Promise} + */ + get promise() { + return this._capability.promise; + }, + + /** + * Aborts all network requests and destroys worker. + * @return {Promise} A promise that is resolved after destruction activity + * is completed. + */ + destroy: function () { + this.destroyed = true; + + var transportDestroyed = !this._transport ? Promise.resolve() : + this._transport.destroy(); + return transportDestroyed.then(function () { + this._transport = null; + if (this._worker) { + this._worker.destroy(); + this._worker = null; + } + }.bind(this)); + }, + + /** + * Registers callbacks to indicate the document loading completion. + * + * @param {function} onFulfilled The callback for the loading completion. + * @param {function} onRejected The callback for the loading failure. + * @return {Promise} A promise that is resolved after the onFulfilled or + * onRejected callback. + */ + then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) { + return this.promise.then.apply(this.promise, arguments); + } + }; + + return PDFDocumentLoadingTask; +})(); + +/** + * Abstract class to support range requests file loading. + * @class + * @alias PDFJS.PDFDataRangeTransport + * @param {number} length + * @param {Uint8Array} initialData + */ +var PDFDataRangeTransport = (function pdfDataRangeTransportClosure() { + function PDFDataRangeTransport(length, initialData) { + this.length = length; + this.initialData = initialData; + + this._rangeListeners = []; + this._progressListeners = []; + this._progressiveReadListeners = []; + this._readyCapability = createPromiseCapability(); + } + PDFDataRangeTransport.prototype = + /** @lends PDFDataRangeTransport.prototype */ { + addRangeListener: + function PDFDataRangeTransport_addRangeListener(listener) { + this._rangeListeners.push(listener); + }, + + addProgressListener: + function PDFDataRangeTransport_addProgressListener(listener) { + this._progressListeners.push(listener); + }, + + addProgressiveReadListener: + function PDFDataRangeTransport_addProgressiveReadListener(listener) { + this._progressiveReadListeners.push(listener); + }, + + onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) { + var listeners = this._rangeListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](begin, chunk); + } + }, + + onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) { + this._readyCapability.promise.then(function () { + var listeners = this._progressListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](loaded); + } + }.bind(this)); + }, + + onDataProgressiveRead: + function PDFDataRangeTransport_onDataProgress(chunk) { + this._readyCapability.promise.then(function () { + var listeners = this._progressiveReadListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](chunk); + } + }.bind(this)); + }, + + transportReady: function PDFDataRangeTransport_transportReady() { + this._readyCapability.resolve(); + }, + + requestDataRange: + function PDFDataRangeTransport_requestDataRange(begin, end) { + throw new Error('Abstract method PDFDataRangeTransport.requestDataRange'); + }, + + abort: function PDFDataRangeTransport_abort() { + } + }; + return PDFDataRangeTransport; +})(); + +PDFJS.PDFDataRangeTransport = PDFDataRangeTransport; + +/** + * Proxy to a PDFDocument in the worker thread. Also, contains commonly used + * properties that can be read synchronously. + * @class + * @alias PDFDocumentProxy + */ +var PDFDocumentProxy = (function PDFDocumentProxyClosure() { + function PDFDocumentProxy(pdfInfo, transport, loadingTask) { + this.pdfInfo = pdfInfo; + this.transport = transport; + this.loadingTask = loadingTask; + } + PDFDocumentProxy.prototype = /** @lends PDFDocumentProxy.prototype */ { + /** + * @return {number} Total number of pages the PDF contains. + */ + get numPages() { + return this.pdfInfo.numPages; + }, + /** + * @return {string} A unique ID to identify a PDF. Not guaranteed to be + * unique. + */ + get fingerprint() { + return this.pdfInfo.fingerprint; + }, + /** + * @param {number} pageNumber The page number to get. The first page is 1. + * @return {Promise} A promise that is resolved with a {@link PDFPageProxy} + * object. + */ + getPage: function PDFDocumentProxy_getPage(pageNumber) { + return this.transport.getPage(pageNumber); + }, + /** + * @param {{num: number, gen: number}} ref The page reference. Must have + * the 'num' and 'gen' properties. + * @return {Promise} A promise that is resolved with the page index that is + * associated with the reference. + */ + getPageIndex: function PDFDocumentProxy_getPageIndex(ref) { + return this.transport.getPageIndex(ref); + }, + /** + * @return {Promise} A promise that is resolved with a lookup table for + * mapping named destinations to reference numbers. + * + * This can be slow for large documents: use getDestination instead + */ + getDestinations: function PDFDocumentProxy_getDestinations() { + return this.transport.getDestinations(); + }, + /** + * @param {string} id The named destination to get. + * @return {Promise} A promise that is resolved with all information + * of the given named destination. + */ + getDestination: function PDFDocumentProxy_getDestination(id) { + return this.transport.getDestination(id); + }, + /** + * @return {Promise} A promise that is resolved with a lookup table for + * mapping named attachments to their content. + */ + getAttachments: function PDFDocumentProxy_getAttachments() { + return this.transport.getAttachments(); + }, + /** + * @return {Promise} A promise that is resolved with an array of all the + * JavaScript strings in the name tree. + */ + getJavaScript: function PDFDocumentProxy_getJavaScript() { + return this.transport.getJavaScript(); + }, + /** + * @return {Promise} A promise that is resolved with an {Array} that is a + * tree outline (if it has one) of the PDF. The tree is in the format of: + * [ + * { + * title: string, + * bold: boolean, + * italic: boolean, + * color: rgb array, + * dest: dest obj, + * items: array of more items like this + * }, + * ... + * ]. + */ + getOutline: function PDFDocumentProxy_getOutline() { + return this.transport.getOutline(); + }, + /** + * @return {Promise} A promise that is resolved with an {Object} that has + * info and metadata properties. Info is an {Object} filled with anything + * available in the information dictionary and similarly metadata is a + * {Metadata} object with information from the metadata section of the PDF. + */ + getMetadata: function PDFDocumentProxy_getMetadata() { + return this.transport.getMetadata(); + }, + /** + * @return {Promise} A promise that is resolved with a TypedArray that has + * the raw data from the PDF. + */ + getData: function PDFDocumentProxy_getData() { + return this.transport.getData(); + }, + /** + * @return {Promise} A promise that is resolved when the document's data + * is loaded. It is resolved with an {Object} that contains the length + * property that indicates size of the PDF data in bytes. + */ + getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() { + return this.transport.downloadInfoCapability.promise; + }, + /** + * @return {Promise} A promise this is resolved with current stats about + * document structures (see {@link PDFDocumentStats}). + */ + getStats: function PDFDocumentProxy_getStats() { + return this.transport.getStats(); + }, + /** + * Cleans up resources allocated by the document, e.g. created @font-face. + */ + cleanup: function PDFDocumentProxy_cleanup() { + this.transport.startCleanup(); + }, + /** + * Destroys current document instance and terminates worker. + */ + destroy: function PDFDocumentProxy_destroy() { + return this.loadingTask.destroy(); + } + }; + return PDFDocumentProxy; +})(); + +/** + * Page getTextContent parameters. + * + * @typedef {Object} getTextContentParameters + * @param {boolean} normalizeWhitespace - replaces all occurrences of + * whitespace with standard spaces (0x20). The default value is `false`. + */ + +/** + * Page text content. + * + * @typedef {Object} TextContent + * @property {array} items - array of {@link TextItem} + * @property {Object} styles - {@link TextStyles} objects, indexed by font + * name. + */ + +/** + * Page text content part. + * + * @typedef {Object} TextItem + * @property {string} str - text content. + * @property {string} dir - text direction: 'ttb', 'ltr' or 'rtl'. + * @property {array} transform - transformation matrix. + * @property {number} width - width in device space. + * @property {number} height - height in device space. + * @property {string} fontName - font name used by pdf.js for converted font. + */ + +/** + * Text style. + * + * @typedef {Object} TextStyle + * @property {number} ascent - font ascent. + * @property {number} descent - font descent. + * @property {boolean} vertical - text is in vertical mode. + * @property {string} fontFamily - possible font family + */ + +/** + * Page annotation parameters. + * + * @typedef {Object} GetAnnotationsParameters + * @param {string} intent - Determines the annotations that will be fetched, + * can be either 'display' (viewable annotations) or 'print' + * (printable annotations). + * If the parameter is omitted, all annotations are fetched. + */ + +/** + * Page render parameters. + * + * @typedef {Object} RenderParameters + * @property {Object} canvasContext - A 2D context of a DOM Canvas object. + * @property {PDFJS.PageViewport} viewport - Rendering viewport obtained by + * calling of PDFPage.getViewport method. + * @property {string} intent - Rendering intent, can be 'display' or 'print' + * (default value is 'display'). + * @property {Array} transform - (optional) Additional transform, applied + * just before viewport transform. + * @property {Object} imageLayer - (optional) An object that has beginLayout, + * endLayout and appendImage functions. + * @property {function} continueCallback - (deprecated) A function that will be + * called each time the rendering is paused. To continue + * rendering call the function that is the first argument + * to the callback. + */ + +/** + * PDF page operator list. + * + * @typedef {Object} PDFOperatorList + * @property {Array} fnArray - Array containing the operator functions. + * @property {Array} argsArray - Array containing the arguments of the + * functions. + */ + +/** + * Proxy to a PDFPage in the worker thread. + * @class + * @alias PDFPageProxy + */ +var PDFPageProxy = (function PDFPageProxyClosure() { + function PDFPageProxy(pageIndex, pageInfo, transport) { + this.pageIndex = pageIndex; + this.pageInfo = pageInfo; + this.transport = transport; + this.stats = new StatTimer(); + this.stats.enabled = !!globalScope.PDFJS.enableStats; + this.commonObjs = transport.commonObjs; + this.objs = new PDFObjects(); + this.cleanupAfterRender = false; + this.pendingCleanup = false; + this.intentStates = {}; + this.destroyed = false; + } + PDFPageProxy.prototype = /** @lends PDFPageProxy.prototype */ { + /** + * @return {number} Page number of the page. First page is 1. + */ + get pageNumber() { + return this.pageIndex + 1; + }, + /** + * @return {number} The number of degrees the page is rotated clockwise. + */ + get rotate() { + return this.pageInfo.rotate; + }, + /** + * @return {Object} The reference that points to this page. It has 'num' and + * 'gen' properties. + */ + get ref() { + return this.pageInfo.ref; + }, + /** + * @return {Array} An array of the visible portion of the PDF page in the + * user space units - [x1, y1, x2, y2]. + */ + get view() { + return this.pageInfo.view; + }, + /** + * @param {number} scale The desired scale of the viewport. + * @param {number} rotate Degrees to rotate the viewport. If omitted this + * defaults to the page rotation. + * @return {PDFJS.PageViewport} Contains 'width' and 'height' properties + * along with transforms required for rendering. + */ + getViewport: function PDFPageProxy_getViewport(scale, rotate) { + if (arguments.length < 2) { + rotate = this.rotate; + } + return new PDFJS.PageViewport(this.view, scale, rotate, 0, 0); + }, + /** + * @param {GetAnnotationsParameters} params - Annotation parameters. + * @return {Promise} A promise that is resolved with an {Array} of the + * annotation objects. + */ + getAnnotations: function PDFPageProxy_getAnnotations(params) { + var intent = (params && params.intent) || null; + + if (!this.annotationsPromise || this.annotationsIntent !== intent) { + this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, + intent); + this.annotationsIntent = intent; + } + return this.annotationsPromise; + }, + /** + * Begins the process of rendering a page to the desired context. + * @param {RenderParameters} params Page render parameters. + * @return {RenderTask} An object that contains the promise, which + * is resolved when the page finishes rendering. + */ + render: function PDFPageProxy_render(params) { + var stats = this.stats; + stats.time('Overall'); + + // If there was a pending destroy cancel it so no cleanup happens during + // this call to render. + this.pendingCleanup = false; + + var renderingIntent = (params.intent === 'print' ? 'print' : 'display'); + + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = {}; + } + var intentState = this.intentStates[renderingIntent]; + + // If there's no displayReadyCapability yet, then the operatorList + // was never requested before. Make the request and create the promise. + if (!intentState.displayReadyCapability) { + intentState.receivingOperatorList = true; + intentState.displayReadyCapability = createPromiseCapability(); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + + this.stats.time('Page Request'); + this.transport.messageHandler.send('RenderPageRequest', { + pageIndex: this.pageNumber - 1, + intent: renderingIntent + }); + } + + var internalRenderTask = new InternalRenderTask(complete, params, + this.objs, + this.commonObjs, + intentState.operatorList, + this.pageNumber); + internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print'; + if (!intentState.renderTasks) { + intentState.renderTasks = []; + } + intentState.renderTasks.push(internalRenderTask); + var renderTask = internalRenderTask.task; + + // Obsolete parameter support + if (params.continueCallback) { + deprecated('render is used with continueCallback parameter'); + renderTask.onContinue = params.continueCallback; + } + + var self = this; + intentState.displayReadyCapability.promise.then( + function pageDisplayReadyPromise(transparency) { + if (self.pendingCleanup) { + complete(); + return; + } + stats.time('Rendering'); + internalRenderTask.initalizeGraphics(transparency); + internalRenderTask.operatorListChanged(); + }, + function pageDisplayReadPromiseError(reason) { + complete(reason); + } + ); + + function complete(error) { + var i = intentState.renderTasks.indexOf(internalRenderTask); + if (i >= 0) { + intentState.renderTasks.splice(i, 1); + } + + if (self.cleanupAfterRender) { + self.pendingCleanup = true; + } + self._tryCleanup(); + + if (error) { + internalRenderTask.capability.reject(error); + } else { + internalRenderTask.capability.resolve(); + } + stats.timeEnd('Rendering'); + stats.timeEnd('Overall'); + } + + return renderTask; + }, + + /** + * @return {Promise} A promise resolved with an {@link PDFOperatorList} + * object that represents page's operator list. + */ + getOperatorList: function PDFPageProxy_getOperatorList() { + function operatorListChanged() { + if (intentState.operatorList.lastChunk) { + intentState.opListReadCapability.resolve(intentState.operatorList); + } + } + + var renderingIntent = 'oplist'; + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = {}; + } + var intentState = this.intentStates[renderingIntent]; + + if (!intentState.opListReadCapability) { + var opListTask = {}; + opListTask.operatorListChanged = operatorListChanged; + intentState.receivingOperatorList = true; + intentState.opListReadCapability = createPromiseCapability(); + intentState.renderTasks = []; + intentState.renderTasks.push(opListTask); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + + this.transport.messageHandler.send('RenderPageRequest', { + pageIndex: this.pageIndex, + intent: renderingIntent + }); + } + return intentState.opListReadCapability.promise; + }, + + /** + * @param {getTextContentParameters} params - getTextContent parameters. + * @return {Promise} That is resolved a {@link TextContent} + * object that represent the page text content. + */ + getTextContent: function PDFPageProxy_getTextContent(params) { + var normalizeWhitespace = (params && params.normalizeWhitespace) || false; + + return this.transport.messageHandler.sendWithPromise('GetTextContent', { + pageIndex: this.pageNumber - 1, + normalizeWhitespace: normalizeWhitespace, + }); + }, + + /** + * Destroys page object. + */ + _destroy: function PDFPageProxy_destroy() { + this.destroyed = true; + this.transport.pageCache[this.pageIndex] = null; + + var waitOn = []; + Object.keys(this.intentStates).forEach(function(intent) { + var intentState = this.intentStates[intent]; + intentState.renderTasks.forEach(function(renderTask) { + var renderCompleted = renderTask.capability.promise. + catch(function () {}); // ignoring failures + waitOn.push(renderCompleted); + renderTask.cancel(); + }); + }, this); + this.objs.clear(); + this.annotationsPromise = null; + this.pendingCleanup = false; + return Promise.all(waitOn); + }, + + /** + * Cleans up resources allocated by the page. (deprecated) + */ + destroy: function() { + deprecated('page destroy method, use cleanup() instead'); + this.cleanup(); + }, + + /** + * Cleans up resources allocated by the page. + */ + cleanup: function PDFPageProxy_cleanup() { + this.pendingCleanup = true; + this._tryCleanup(); + }, + /** + * For internal use only. Attempts to clean up if rendering is in a state + * where that's possible. + * @ignore + */ + _tryCleanup: function PDFPageProxy_tryCleanup() { + if (!this.pendingCleanup || + Object.keys(this.intentStates).some(function(intent) { + var intentState = this.intentStates[intent]; + return (intentState.renderTasks.length !== 0 || + intentState.receivingOperatorList); + }, this)) { + return; + } + + Object.keys(this.intentStates).forEach(function(intent) { + delete this.intentStates[intent]; + }, this); + this.objs.clear(); + this.annotationsPromise = null; + this.pendingCleanup = false; + }, + /** + * For internal use only. + * @ignore + */ + _startRenderPage: function PDFPageProxy_startRenderPage(transparency, + intent) { + var intentState = this.intentStates[intent]; + // TODO Refactor RenderPageRequest to separate rendering + // and operator list logic + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.resolve(transparency); + } + }, + /** + * For internal use only. + * @ignore + */ + _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, + intent) { + var intentState = this.intentStates[intent]; + var i, ii; + // Add the new chunk to the current operator list. + for (i = 0, ii = operatorListChunk.length; i < ii; i++) { + intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]); + intentState.operatorList.argsArray.push( + operatorListChunk.argsArray[i]); + } + intentState.operatorList.lastChunk = operatorListChunk.lastChunk; + + // Notify all the rendering tasks there are more operators to be consumed. + for (i = 0; i < intentState.renderTasks.length; i++) { + intentState.renderTasks[i].operatorListChanged(); + } + + if (operatorListChunk.lastChunk) { + intentState.receivingOperatorList = false; + this._tryCleanup(); + } + } + }; + return PDFPageProxy; +})(); + +/** + * PDF.js web worker abstraction, it controls instantiation of PDF documents and + * WorkerTransport for them. If creation of a web worker is not possible, + * a "fake" worker will be used instead. + * @class + */ +var PDFWorker = (function PDFWorkerClosure() { + var nextFakeWorkerId = 0; + + // Loads worker code into main thread. + function setupFakeWorkerGlobal() { + if (!PDFJS.fakeWorkerFilesLoadedCapability) { + PDFJS.fakeWorkerFilesLoadedCapability = createPromiseCapability(); + // In the developer build load worker_loader which in turn loads all the + // other files and resolves the promise. In production only the + // pdf.worker.js file is needed. + var loader = fakeWorkerFilesLoader || function (callback) { + Util.loadScript(PDFJS.workerSrc, callback); + }; + loader(function () { + PDFJS.fakeWorkerFilesLoadedCapability.resolve(); + }); + } + return PDFJS.fakeWorkerFilesLoadedCapability.promise; + } + + function PDFWorker(name) { + this.name = name; + this.destroyed = false; + + this._readyCapability = createPromiseCapability(); + this._port = null; + this._webWorker = null; + this._messageHandler = null; + this._initialize(); + } + + PDFWorker.prototype = /** @lends PDFWorker.prototype */ { + get promise() { + return this._readyCapability.promise; + }, + + get port() { + return this._port; + }, + + get messageHandler() { + return this._messageHandler; + }, + + _initialize: function PDFWorker_initialize() { + // If worker support isn't disabled explicit and the browser has worker + // support, create a new web worker and test if it/the browser fullfills + // all requirements to run parts of pdf.js in a web worker. + // Right now, the requirement is, that an Uint8Array is still an + // Uint8Array as it arrives on the worker. (Chrome added this with v.15.) + if (!globalScope.PDFJS.disableWorker && typeof Worker !== 'undefined') { + var workerSrc = PDFJS.workerSrc; + if (!workerSrc) { + error('No PDFJS.workerSrc specified'); + } + + try { + // Some versions of FF can't create a worker on localhost, see: + // https://bugzilla.mozilla.org/show_bug.cgi?id=683280 + var worker = new Worker(workerSrc); + var messageHandler = new MessageHandler('main', 'worker', worker); + messageHandler.on('test', function PDFWorker_test(data) { + if (this.destroyed) { + this._readyCapability.reject(new Error('Worker was destroyed')); + messageHandler.destroy(); + worker.terminate(); + return; // worker was destroyed + } + var supportTypedArray = data && data.supportTypedArray; + if (supportTypedArray) { + this._messageHandler = messageHandler; + this._port = worker; + this._webWorker = worker; + if (!data.supportTransfers) { + PDFJS.postMessageTransfers = false; + } + this._readyCapability.resolve(); + } else { + this._setupFakeWorker(); + messageHandler.destroy(); + worker.terminate(); + } + }.bind(this)); + + messageHandler.on('console_log', function (data) { + console.log.apply(console, data); + }); + messageHandler.on('console_error', function (data) { + console.error.apply(console, data); + }); + + messageHandler.on('ready', function (data) { + if (this.destroyed) { + this._readyCapability.reject(new Error('Worker was destroyed')); + messageHandler.destroy(); + worker.terminate(); + return; // worker was destroyed + } + try { + sendTest(); + } catch (e) { + // We need fallback to a faked worker. + this._setupFakeWorker(); + } + }.bind(this)); + + var sendTest = function () { + var testObj = new Uint8Array( + [PDFJS.postMessageTransfers ? 255 : 0]); + // Some versions of Opera throw a DATA_CLONE_ERR on serializing the + // typed array. Also, checking if we can use transfers. + try { + messageHandler.send('test', testObj, [testObj.buffer]); + } catch (ex) { + info('Cannot use postMessage transfers'); + testObj[0] = 0; + messageHandler.send('test', testObj); + } + }; + + // It might take time for worker to initialize (especially when AMD + // loader is used). We will try to send test immediately, and then + // when 'ready' message will arrive. The worker shall process only + // first received 'test'. + sendTest(); + return; + } catch (e) { + info('The worker has been disabled.'); + } + } + // Either workers are disabled, not supported or have thrown an exception. + // Thus, we fallback to a faked worker. + this._setupFakeWorker(); + }, + + _setupFakeWorker: function PDFWorker_setupFakeWorker() { + if (!globalScope.PDFJS.disableWorker) { + warn('Setting up fake worker.'); + globalScope.PDFJS.disableWorker = true; + } + + setupFakeWorkerGlobal().then(function () { + if (this.destroyed) { + this._readyCapability.reject(new Error('Worker was destroyed')); + return; + } + + // If we don't use a worker, just post/sendMessage to the main thread. + var port = { + _listeners: [], + postMessage: function (obj) { + var e = {data: obj}; + this._listeners.forEach(function (listener) { + listener.call(this, e); + }, this); + }, + addEventListener: function (name, listener) { + this._listeners.push(listener); + }, + removeEventListener: function (name, listener) { + var i = this._listeners.indexOf(listener); + this._listeners.splice(i, 1); + }, + terminate: function () {} + }; + this._port = port; + + // All fake workers use the same port, making id unique. + var id = 'fake' + (nextFakeWorkerId++); + + // If the main thread is our worker, setup the handling for the + // messages -- the main thread sends to it self. + var workerHandler = new MessageHandler(id + '_worker', id, port); + PDFJS.WorkerMessageHandler.setup(workerHandler, port); + + var messageHandler = new MessageHandler(id, id + '_worker', port); + this._messageHandler = messageHandler; + this._readyCapability.resolve(); + }.bind(this)); + }, + + /** + * Destroys the worker instance. + */ + destroy: function PDFWorker_destroy() { + this.destroyed = true; + if (this._webWorker) { + // We need to terminate only web worker created resource. + this._webWorker.terminate(); + this._webWorker = null; + } + this._port = null; + if (this._messageHandler) { + this._messageHandler.destroy(); + this._messageHandler = null; + } + } + }; + + return PDFWorker; +})(); +PDFJS.PDFWorker = PDFWorker; + +/** + * For internal use only. + * @ignore + */ +var WorkerTransport = (function WorkerTransportClosure() { + function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport) { + this.messageHandler = messageHandler; + this.loadingTask = loadingTask; + this.pdfDataRangeTransport = pdfDataRangeTransport; + this.commonObjs = new PDFObjects(); + this.fontLoader = new FontLoader(loadingTask.docId); + + this.destroyed = false; + this.destroyCapability = null; + + this.pageCache = []; + this.pagePromises = []; + this.downloadInfoCapability = createPromiseCapability(); + + this.setupMessageHandler(); + } + WorkerTransport.prototype = { + destroy: function WorkerTransport_destroy() { + if (this.destroyCapability) { + return this.destroyCapability.promise; + } + + this.destroyed = true; + this.destroyCapability = createPromiseCapability(); + + var waitOn = []; + // We need to wait for all renderings to be completed, e.g. + // timeout/rAF can take a long time. + this.pageCache.forEach(function (page) { + if (page) { + waitOn.push(page._destroy()); + } + }); + this.pageCache = []; + this.pagePromises = []; + var self = this; + // We also need to wait for the worker to finish its long running tasks. + var terminated = this.messageHandler.sendWithPromise('Terminate', null); + waitOn.push(terminated); + Promise.all(waitOn).then(function () { + self.fontLoader.clear(); + if (self.pdfDataRangeTransport) { + self.pdfDataRangeTransport.abort(); + self.pdfDataRangeTransport = null; + } + if (self.messageHandler) { + self.messageHandler.destroy(); + self.messageHandler = null; + } + self.destroyCapability.resolve(); + }, this.destroyCapability.reject); + return this.destroyCapability.promise; + }, + + setupMessageHandler: + function WorkerTransport_setupMessageHandler() { + var messageHandler = this.messageHandler; + + function updatePassword(password) { + messageHandler.send('UpdatePassword', password); + } + + var pdfDataRangeTransport = this.pdfDataRangeTransport; + if (pdfDataRangeTransport) { + pdfDataRangeTransport.addRangeListener(function(begin, chunk) { + messageHandler.send('OnDataRange', { + begin: begin, + chunk: chunk + }); + }); + + pdfDataRangeTransport.addProgressListener(function(loaded) { + messageHandler.send('OnDataProgress', { + loaded: loaded + }); + }); + + pdfDataRangeTransport.addProgressiveReadListener(function(chunk) { + messageHandler.send('OnDataRange', { + chunk: chunk + }); + }); + + messageHandler.on('RequestDataRange', + function transportDataRange(data) { + pdfDataRangeTransport.requestDataRange(data.begin, data.end); + }, this); + } + + messageHandler.on('GetDoc', function transportDoc(data) { + var pdfInfo = data.pdfInfo; + this.numPages = data.pdfInfo.numPages; + var loadingTask = this.loadingTask; + var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask); + this.pdfDocument = pdfDocument; + loadingTask._capability.resolve(pdfDocument); + }, this); + + messageHandler.on('NeedPassword', + function transportNeedPassword(exception) { + var loadingTask = this.loadingTask; + if (loadingTask.onPassword) { + return loadingTask.onPassword(updatePassword, + PasswordResponses.NEED_PASSWORD); + } + loadingTask._capability.reject( + new PasswordException(exception.message, exception.code)); + }, this); + + messageHandler.on('IncorrectPassword', + function transportIncorrectPassword(exception) { + var loadingTask = this.loadingTask; + if (loadingTask.onPassword) { + return loadingTask.onPassword(updatePassword, + PasswordResponses.INCORRECT_PASSWORD); + } + loadingTask._capability.reject( + new PasswordException(exception.message, exception.code)); + }, this); + + messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) { + this.loadingTask._capability.reject( + new InvalidPDFException(exception.message)); + }, this); + + messageHandler.on('MissingPDF', function transportMissingPDF(exception) { + this.loadingTask._capability.reject( + new MissingPDFException(exception.message)); + }, this); + + messageHandler.on('UnexpectedResponse', + function transportUnexpectedResponse(exception) { + this.loadingTask._capability.reject( + new UnexpectedResponseException(exception.message, exception.status)); + }, this); + + messageHandler.on('UnknownError', + function transportUnknownError(exception) { + this.loadingTask._capability.reject( + new UnknownErrorException(exception.message, exception.details)); + }, this); + + messageHandler.on('DataLoaded', function transportPage(data) { + this.downloadInfoCapability.resolve(data); + }, this); + + messageHandler.on('PDFManagerReady', function transportPage(data) { + if (this.pdfDataRangeTransport) { + this.pdfDataRangeTransport.transportReady(); + } + }, this); + + messageHandler.on('StartRenderPage', function transportRender(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + var page = this.pageCache[data.pageIndex]; + + page.stats.timeEnd('Page Request'); + page._startRenderPage(data.transparency, data.intent); + }, this); + + messageHandler.on('RenderPageChunk', function transportRender(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + var page = this.pageCache[data.pageIndex]; + + page._renderPageChunk(data.operatorList, data.intent); + }, this); + + messageHandler.on('commonobj', function transportObj(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + + var id = data[0]; + var type = data[1]; + if (this.commonObjs.hasData(id)) { + return; + } + + switch (type) { + case 'Font': + var exportedData = data[2]; + + var font; + if ('error' in exportedData) { + var error = exportedData.error; + warn('Error during font loading: ' + error); + this.commonObjs.resolve(id, error); + break; + } else { + font = new FontFaceObject(exportedData); + } + + this.fontLoader.bind( + [font], + function fontReady(fontObjs) { + this.commonObjs.resolve(id, font); + }.bind(this) + ); + break; + case 'FontPath': + this.commonObjs.resolve(id, data[2]); + break; + default: + error('Got unknown common object type ' + type); + } + }, this); + + messageHandler.on('obj', function transportObj(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + + var id = data[0]; + var pageIndex = data[1]; + var type = data[2]; + var pageProxy = this.pageCache[pageIndex]; + var imageData; + if (pageProxy.objs.hasData(id)) { + return; + } + + switch (type) { + case 'JpegStream': + imageData = data[3]; + loadJpegStream(id, imageData, pageProxy.objs); + break; + case 'Image': + imageData = data[3]; + pageProxy.objs.resolve(id, imageData); + + // heuristics that will allow not to store large data + var MAX_IMAGE_SIZE_TO_STORE = 8000000; + if (imageData && 'data' in imageData && + imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) { + pageProxy.cleanupAfterRender = true; + } + break; + default: + error('Got unknown object type ' + type); + } + }, this); + + messageHandler.on('DocProgress', function transportDocProgress(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + + var loadingTask = this.loadingTask; + if (loadingTask.onProgress) { + loadingTask.onProgress({ + loaded: data.loaded, + total: data.total + }); + } + }, this); + + messageHandler.on('PageError', function transportError(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + + var page = this.pageCache[data.pageNum - 1]; + var intentState = page.intentStates[data.intent]; + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.reject(data.error); + } else { + error(data.error); + } + }, this); + + messageHandler.on('UnsupportedFeature', + function transportUnsupportedFeature(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + var featureId = data.featureId; + var loadingTask = this.loadingTask; + if (loadingTask.onUnsupportedFeature) { + loadingTask.onUnsupportedFeature(featureId); + } + PDFJS.UnsupportedManager.notify(featureId); + }, this); + + messageHandler.on('JpegDecode', function(data) { + if (this.destroyed) { + return Promise.reject('Worker was terminated'); + } + + var imageUrl = data[0]; + var components = data[1]; + if (components !== 3 && components !== 1) { + return Promise.reject( + new Error('Only 3 components or 1 component can be returned')); + } + + return new Promise(function (resolve, reject) { + var img = new Image(); + img.onload = function () { + var width = img.width; + var height = img.height; + var size = width * height; + var rgbaLength = size * 4; + var buf = new Uint8Array(size * components); + var tmpCanvas = createScratchCanvas(width, height); + var tmpCtx = tmpCanvas.getContext('2d'); + tmpCtx.drawImage(img, 0, 0); + var data = tmpCtx.getImageData(0, 0, width, height).data; + var i, j; + + if (components === 3) { + for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) { + buf[j] = data[i]; + buf[j + 1] = data[i + 1]; + buf[j + 2] = data[i + 2]; + } + } else if (components === 1) { + for (i = 0, j = 0; i < rgbaLength; i += 4, j++) { + buf[j] = data[i]; + } + } + resolve({ data: buf, width: width, height: height}); + }; + img.onerror = function () { + reject(new Error('JpegDecode failed to load image')); + }; + img.src = imageUrl; + }); + }, this); + }, + + getData: function WorkerTransport_getData() { + return this.messageHandler.sendWithPromise('GetData', null); + }, + + getPage: function WorkerTransport_getPage(pageNumber, capability) { + if (pageNumber <= 0 || pageNumber > this.numPages || + (pageNumber|0) !== pageNumber) { + return Promise.reject(new Error('Invalid page request')); + } + + var pageIndex = pageNumber - 1; + if (pageIndex in this.pagePromises) { + return this.pagePromises[pageIndex]; + } + var promise = this.messageHandler.sendWithPromise('GetPage', { + pageIndex: pageIndex + }).then(function (pageInfo) { + if (this.destroyed) { + throw new Error('Transport destroyed'); + } + var page = new PDFPageProxy(pageIndex, pageInfo, this); + this.pageCache[pageIndex] = page; + return page; + }.bind(this)); + this.pagePromises[pageIndex] = promise; + return promise; + }, + + getPageIndex: function WorkerTransport_getPageIndexByRef(ref) { + return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }); + }, + + getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) { + return this.messageHandler.sendWithPromise('GetAnnotations', { + pageIndex: pageIndex, + intent: intent, + }); + }, + + getDestinations: function WorkerTransport_getDestinations() { + return this.messageHandler.sendWithPromise('GetDestinations', null); + }, + + getDestination: function WorkerTransport_getDestination(id) { + return this.messageHandler.sendWithPromise('GetDestination', { id: id }); + }, + + getAttachments: function WorkerTransport_getAttachments() { + return this.messageHandler.sendWithPromise('GetAttachments', null); + }, + + getJavaScript: function WorkerTransport_getJavaScript() { + return this.messageHandler.sendWithPromise('GetJavaScript', null); + }, + + getOutline: function WorkerTransport_getOutline() { + return this.messageHandler.sendWithPromise('GetOutline', null); + }, + + getMetadata: function WorkerTransport_getMetadata() { + return this.messageHandler.sendWithPromise('GetMetadata', null). + then(function transportMetadata(results) { + return { + info: results[0], + metadata: (results[1] ? new PDFJS.Metadata(results[1]) : null) + }; + }); + }, + + getStats: function WorkerTransport_getStats() { + return this.messageHandler.sendWithPromise('GetStats', null); + }, + + startCleanup: function WorkerTransport_startCleanup() { + this.messageHandler.sendWithPromise('Cleanup', null). + then(function endCleanup() { + for (var i = 0, ii = this.pageCache.length; i < ii; i++) { + var page = this.pageCache[i]; + if (page) { + page.cleanup(); + } + } + this.commonObjs.clear(); + this.fontLoader.clear(); + }.bind(this)); + } + }; + return WorkerTransport; + +})(); + +/** + * A PDF document and page is built of many objects. E.g. there are objects + * for fonts, images, rendering code and such. These objects might get processed + * inside of a worker. The `PDFObjects` implements some basic functions to + * manage these objects. + * @ignore + */ +var PDFObjects = (function PDFObjectsClosure() { + function PDFObjects() { + this.objs = {}; + } + + PDFObjects.prototype = { + /** + * Internal function. + * Ensures there is an object defined for `objId`. + */ + ensureObj: function PDFObjects_ensureObj(objId) { + if (this.objs[objId]) { + return this.objs[objId]; + } + + var obj = { + capability: createPromiseCapability(), + data: null, + resolved: false + }; + this.objs[objId] = obj; + + return obj; + }, + + /** + * If called *without* callback, this returns the data of `objId` but the + * object needs to be resolved. If it isn't, this function throws. + * + * If called *with* a callback, the callback is called with the data of the + * object once the object is resolved. That means, if you call this + * function and the object is already resolved, the callback gets called + * right away. + */ + get: function PDFObjects_get(objId, callback) { + // If there is a callback, then the get can be async and the object is + // not required to be resolved right now + if (callback) { + this.ensureObj(objId).capability.promise.then(callback); + return null; + } + + // If there isn't a callback, the user expects to get the resolved data + // directly. + var obj = this.objs[objId]; + + // If there isn't an object yet or the object isn't resolved, then the + // data isn't ready yet! + if (!obj || !obj.resolved) { + error('Requesting object that isn\'t resolved yet ' + objId); + } + + return obj.data; + }, + + /** + * Resolves the object `objId` with optional `data`. + */ + resolve: function PDFObjects_resolve(objId, data) { + var obj = this.ensureObj(objId); + + obj.resolved = true; + obj.data = data; + obj.capability.resolve(data); + }, + + isResolved: function PDFObjects_isResolved(objId) { + var objs = this.objs; + + if (!objs[objId]) { + return false; + } else { + return objs[objId].resolved; + } + }, + + hasData: function PDFObjects_hasData(objId) { + return this.isResolved(objId); + }, + + /** + * Returns the data of `objId` if object exists, null otherwise. + */ + getData: function PDFObjects_getData(objId) { + var objs = this.objs; + if (!objs[objId] || !objs[objId].resolved) { + return null; + } else { + return objs[objId].data; + } + }, + + clear: function PDFObjects_clear() { + this.objs = {}; + } + }; + return PDFObjects; +})(); + +/** + * Allows controlling of the rendering tasks. + * @class + * @alias RenderTask + */ +var RenderTask = (function RenderTaskClosure() { + function RenderTask(internalRenderTask) { + this._internalRenderTask = internalRenderTask; + + /** + * Callback for incremental rendering -- a function that will be called + * each time the rendering is paused. To continue rendering call the + * function that is the first argument to the callback. + * @type {function} + */ + this.onContinue = null; + } + + RenderTask.prototype = /** @lends RenderTask.prototype */ { + /** + * Promise for rendering task completion. + * @return {Promise} + */ + get promise() { + return this._internalRenderTask.capability.promise; + }, + + /** + * Cancels the rendering task. If the task is currently rendering it will + * not be cancelled until graphics pauses with a timeout. The promise that + * this object extends will resolved when cancelled. + */ + cancel: function RenderTask_cancel() { + this._internalRenderTask.cancel(); + }, + + /** + * Registers callbacks to indicate the rendering task completion. + * + * @param {function} onFulfilled The callback for the rendering completion. + * @param {function} onRejected The callback for the rendering failure. + * @return {Promise} A promise that is resolved after the onFulfilled or + * onRejected callback. + */ + then: function RenderTask_then(onFulfilled, onRejected) { + return this.promise.then.apply(this.promise, arguments); + } + }; + + return RenderTask; +})(); + +/** + * For internal use only. + * @ignore + */ +var InternalRenderTask = (function InternalRenderTaskClosure() { + + function InternalRenderTask(callback, params, objs, commonObjs, operatorList, + pageNumber) { + this.callback = callback; + this.params = params; + this.objs = objs; + this.commonObjs = commonObjs; + this.operatorListIdx = null; + this.operatorList = operatorList; + this.pageNumber = pageNumber; + this.running = false; + this.graphicsReadyCallback = null; + this.graphicsReady = false; + this.useRequestAnimationFrame = false; + this.cancelled = false; + this.capability = createPromiseCapability(); + this.task = new RenderTask(this); + // caching this-bound methods + this._continueBound = this._continue.bind(this); + this._scheduleNextBound = this._scheduleNext.bind(this); + this._nextBound = this._next.bind(this); + } + + InternalRenderTask.prototype = { + + initalizeGraphics: + function InternalRenderTask_initalizeGraphics(transparency) { + + if (this.cancelled) { + return; + } + if (PDFJS.pdfBug && 'StepperManager' in globalScope && + globalScope.StepperManager.enabled) { + this.stepper = globalScope.StepperManager.create(this.pageNumber - 1); + this.stepper.init(this.operatorList); + this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint(); + } + + var params = this.params; + this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs, + this.objs, params.imageLayer); + + this.gfx.beginDrawing(params.transform, params.viewport, transparency); + this.operatorListIdx = 0; + this.graphicsReady = true; + if (this.graphicsReadyCallback) { + this.graphicsReadyCallback(); + } + }, + + cancel: function InternalRenderTask_cancel() { + this.running = false; + this.cancelled = true; + this.callback('cancelled'); + }, + + operatorListChanged: function InternalRenderTask_operatorListChanged() { + if (!this.graphicsReady) { + if (!this.graphicsReadyCallback) { + this.graphicsReadyCallback = this._continueBound; + } + return; + } + + if (this.stepper) { + this.stepper.updateOperatorList(this.operatorList); + } + + if (this.running) { + return; + } + this._continue(); + }, + + _continue: function InternalRenderTask__continue() { + this.running = true; + if (this.cancelled) { + return; + } + if (this.task.onContinue) { + this.task.onContinue.call(this.task, this._scheduleNextBound); + } else { + this._scheduleNext(); + } + }, + + _scheduleNext: function InternalRenderTask__scheduleNext() { + if (this.useRequestAnimationFrame) { + window.requestAnimationFrame(this._nextBound); + } else { + Promise.resolve(undefined).then(this._nextBound); + } + }, + + _next: function InternalRenderTask__next() { + if (this.cancelled) { + return; + } + this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, + this.operatorListIdx, + this._continueBound, + this.stepper); + if (this.operatorListIdx === this.operatorList.argsArray.length) { + this.running = false; + if (this.operatorList.lastChunk) { + this.gfx.endDrawing(); + this.callback(); + } + } + } + + }; + + return InternalRenderTask; +})(); + +/** + * (Deprecated) Global observer of unsupported feature usages. Use + * onUnsupportedFeature callback of the {PDFDocumentLoadingTask} instance. + */ +PDFJS.UnsupportedManager = (function UnsupportedManagerClosure() { + var listeners = []; + return { + listen: function (cb) { + deprecated('Global UnsupportedManager.listen is used: ' + + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead'); + listeners.push(cb); + }, + notify: function (featureId) { + for (var i = 0, ii = listeners.length; i < ii; i++) { + listeners[i](featureId); + } + } + }; +})(); + +exports.getDocument = PDFJS.getDocument; +exports.PDFDataRangeTransport = PDFDataRangeTransport; +exports.PDFDocumentProxy = PDFDocumentProxy; +exports.PDFPageProxy = PDFPageProxy; +})); + }).call((typeof window === 'undefined') ? this : window); @@ -7783,10 +9653,8 @@ if (!PDFJS.workerSrc && typeof document !== 'undefined') { // workerSrc is not set -- using last script url to define default location PDFJS.workerSrc = (function () { 'use strict'; - var scriptTagContainer = document.body || - document.getElementsByTagName('head')[0]; - var pdfjsSrc = scriptTagContainer.lastChild.src; - return pdfjsSrc && pdfjsSrc.replace(/\.js$/i, '.worker.js'); + var pdfJsSrc = document.currentScript.src; + return pdfJsSrc && pdfJsSrc.replace(/\.js$/i, '.worker.js'); })(); } diff --git a/pdf.js/pdf.worker.js b/pdf.js/pdf.worker.js index cdb2123..4e5da8a 100644 --- a/pdf.js/pdf.worker.js +++ b/pdf.js/pdf.worker.js @@ -1,5 +1,3 @@ -/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ /* Copyright 2012 Mozilla Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -14,4751 +12,206 @@ * See the License for the specific language governing permissions and * limitations under the License. */ -/*jshint globalstrict: false */ -/* globals PDFJS */ +/* jshint globalstrict: false */ +/* globals PDFJS, global */ // Initializing PDFJS global object (if still undefined) if (typeof PDFJS === 'undefined') { - (typeof window !== 'undefined' ? window : this).PDFJS = {}; + (typeof window !== 'undefined' ? window : + typeof global !== 'undefined' ? global : this).PDFJS = {}; } -PDFJS.version = '1.0.908'; -PDFJS.build = '291671c'; +PDFJS.version = '1.3.148'; +PDFJS.build = '4e9ea35'; (function pdfjsWrapper() { // Use strict in our context only - users might not want it 'use strict'; -/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ -/* Copyright 2012 Mozilla Foundation + + +(function (root, factory) { + { + factory((root.pdfjsCoreArithmeticDecoder = {})); + } +}(this, function (exports) { + +/* This class implements the QM Coder decoding as defined in + * JPEG 2000 Part I Final Committee Draft Version 1.0 + * Annex C.3 Arithmetic decoding procedure + * available at http://www.jpeg.org/public/fcd15444-1.pdf * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * The arithmetic decoder is used in conjunction with context models to decode + * JPEG2000 and JBIG2 streams. */ -/* globals Cmd, ColorSpace, Dict, MozBlobBuilder, Name, PDFJS, Ref, URL, - Promise */ +var ArithmeticDecoder = (function ArithmeticDecoderClosure() { + // Table C-2 + var QeTable = [ + {qe: 0x5601, nmps: 1, nlps: 1, switchFlag: 1}, + {qe: 0x3401, nmps: 2, nlps: 6, switchFlag: 0}, + {qe: 0x1801, nmps: 3, nlps: 9, switchFlag: 0}, + {qe: 0x0AC1, nmps: 4, nlps: 12, switchFlag: 0}, + {qe: 0x0521, nmps: 5, nlps: 29, switchFlag: 0}, + {qe: 0x0221, nmps: 38, nlps: 33, switchFlag: 0}, + {qe: 0x5601, nmps: 7, nlps: 6, switchFlag: 1}, + {qe: 0x5401, nmps: 8, nlps: 14, switchFlag: 0}, + {qe: 0x4801, nmps: 9, nlps: 14, switchFlag: 0}, + {qe: 0x3801, nmps: 10, nlps: 14, switchFlag: 0}, + {qe: 0x3001, nmps: 11, nlps: 17, switchFlag: 0}, + {qe: 0x2401, nmps: 12, nlps: 18, switchFlag: 0}, + {qe: 0x1C01, nmps: 13, nlps: 20, switchFlag: 0}, + {qe: 0x1601, nmps: 29, nlps: 21, switchFlag: 0}, + {qe: 0x5601, nmps: 15, nlps: 14, switchFlag: 1}, + {qe: 0x5401, nmps: 16, nlps: 14, switchFlag: 0}, + {qe: 0x5101, nmps: 17, nlps: 15, switchFlag: 0}, + {qe: 0x4801, nmps: 18, nlps: 16, switchFlag: 0}, + {qe: 0x3801, nmps: 19, nlps: 17, switchFlag: 0}, + {qe: 0x3401, nmps: 20, nlps: 18, switchFlag: 0}, + {qe: 0x3001, nmps: 21, nlps: 19, switchFlag: 0}, + {qe: 0x2801, nmps: 22, nlps: 19, switchFlag: 0}, + {qe: 0x2401, nmps: 23, nlps: 20, switchFlag: 0}, + {qe: 0x2201, nmps: 24, nlps: 21, switchFlag: 0}, + {qe: 0x1C01, nmps: 25, nlps: 22, switchFlag: 0}, + {qe: 0x1801, nmps: 26, nlps: 23, switchFlag: 0}, + {qe: 0x1601, nmps: 27, nlps: 24, switchFlag: 0}, + {qe: 0x1401, nmps: 28, nlps: 25, switchFlag: 0}, + {qe: 0x1201, nmps: 29, nlps: 26, switchFlag: 0}, + {qe: 0x1101, nmps: 30, nlps: 27, switchFlag: 0}, + {qe: 0x0AC1, nmps: 31, nlps: 28, switchFlag: 0}, + {qe: 0x09C1, nmps: 32, nlps: 29, switchFlag: 0}, + {qe: 0x08A1, nmps: 33, nlps: 30, switchFlag: 0}, + {qe: 0x0521, nmps: 34, nlps: 31, switchFlag: 0}, + {qe: 0x0441, nmps: 35, nlps: 32, switchFlag: 0}, + {qe: 0x02A1, nmps: 36, nlps: 33, switchFlag: 0}, + {qe: 0x0221, nmps: 37, nlps: 34, switchFlag: 0}, + {qe: 0x0141, nmps: 38, nlps: 35, switchFlag: 0}, + {qe: 0x0111, nmps: 39, nlps: 36, switchFlag: 0}, + {qe: 0x0085, nmps: 40, nlps: 37, switchFlag: 0}, + {qe: 0x0049, nmps: 41, nlps: 38, switchFlag: 0}, + {qe: 0x0025, nmps: 42, nlps: 39, switchFlag: 0}, + {qe: 0x0015, nmps: 43, nlps: 40, switchFlag: 0}, + {qe: 0x0009, nmps: 44, nlps: 41, switchFlag: 0}, + {qe: 0x0005, nmps: 45, nlps: 42, switchFlag: 0}, + {qe: 0x0001, nmps: 45, nlps: 43, switchFlag: 0}, + {qe: 0x5601, nmps: 46, nlps: 46, switchFlag: 0} + ]; -'use strict'; + // C.3.5 Initialisation of the decoder (INITDEC) + function ArithmeticDecoder(data, start, end) { + this.data = data; + this.bp = start; + this.dataEnd = end; -var globalScope = (typeof window === 'undefined') ? this : window; + this.chigh = data[start]; + this.clow = 0; -var isWorker = (typeof window === 'undefined'); + this.byteIn(); -var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; - -var TextRenderingMode = { - FILL: 0, - STROKE: 1, - FILL_STROKE: 2, - INVISIBLE: 3, - FILL_ADD_TO_PATH: 4, - STROKE_ADD_TO_PATH: 5, - FILL_STROKE_ADD_TO_PATH: 6, - ADD_TO_PATH: 7, - FILL_STROKE_MASK: 3, - ADD_TO_PATH_FLAG: 4 -}; - -var ImageKind = { - GRAYSCALE_1BPP: 1, - RGB_24BPP: 2, - RGBA_32BPP: 3 -}; - -var AnnotationType = { - WIDGET: 1, - TEXT: 2, - LINK: 3 -}; - -var StreamType = { - UNKNOWN: 0, - FLATE: 1, - LZW: 2, - DCT: 3, - JPX: 4, - JBIG: 5, - A85: 6, - AHX: 7, - CCF: 8, - RL: 9 -}; - -var FontType = { - UNKNOWN: 0, - TYPE1: 1, - TYPE1C: 2, - CIDFONTTYPE0: 3, - CIDFONTTYPE0C: 4, - TRUETYPE: 5, - CIDFONTTYPE2: 6, - TYPE3: 7, - OPENTYPE: 8, - TYPE0: 9, - MMTYPE1: 10 -}; - -// The global PDFJS object exposes the API -// In production, it will be declared outside a global wrapper -// In development, it will be declared here -if (!globalScope.PDFJS) { - globalScope.PDFJS = {}; -} - -globalScope.PDFJS.pdfBug = false; - -PDFJS.VERBOSITY_LEVELS = { - errors: 0, - warnings: 1, - infos: 5 -}; - -// All the possible operations for an operator list. -var OPS = PDFJS.OPS = { - // Intentionally start from 1 so it is easy to spot bad operators that will be - // 0's. - dependency: 1, - setLineWidth: 2, - setLineCap: 3, - setLineJoin: 4, - setMiterLimit: 5, - setDash: 6, - setRenderingIntent: 7, - setFlatness: 8, - setGState: 9, - save: 10, - restore: 11, - transform: 12, - moveTo: 13, - lineTo: 14, - curveTo: 15, - curveTo2: 16, - curveTo3: 17, - closePath: 18, - rectangle: 19, - stroke: 20, - closeStroke: 21, - fill: 22, - eoFill: 23, - fillStroke: 24, - eoFillStroke: 25, - closeFillStroke: 26, - closeEOFillStroke: 27, - endPath: 28, - clip: 29, - eoClip: 30, - beginText: 31, - endText: 32, - setCharSpacing: 33, - setWordSpacing: 34, - setHScale: 35, - setLeading: 36, - setFont: 37, - setTextRenderingMode: 38, - setTextRise: 39, - moveText: 40, - setLeadingMoveText: 41, - setTextMatrix: 42, - nextLine: 43, - showText: 44, - showSpacedText: 45, - nextLineShowText: 46, - nextLineSetSpacingShowText: 47, - setCharWidth: 48, - setCharWidthAndBounds: 49, - setStrokeColorSpace: 50, - setFillColorSpace: 51, - setStrokeColor: 52, - setStrokeColorN: 53, - setFillColor: 54, - setFillColorN: 55, - setStrokeGray: 56, - setFillGray: 57, - setStrokeRGBColor: 58, - setFillRGBColor: 59, - setStrokeCMYKColor: 60, - setFillCMYKColor: 61, - shadingFill: 62, - beginInlineImage: 63, - beginImageData: 64, - endInlineImage: 65, - paintXObject: 66, - markPoint: 67, - markPointProps: 68, - beginMarkedContent: 69, - beginMarkedContentProps: 70, - endMarkedContent: 71, - beginCompat: 72, - endCompat: 73, - paintFormXObjectBegin: 74, - paintFormXObjectEnd: 75, - beginGroup: 76, - endGroup: 77, - beginAnnotations: 78, - endAnnotations: 79, - beginAnnotation: 80, - endAnnotation: 81, - paintJpegXObject: 82, - paintImageMaskXObject: 83, - paintImageMaskXObjectGroup: 84, - paintImageXObject: 85, - paintInlineImageXObject: 86, - paintInlineImageXObjectGroup: 87, - paintImageXObjectRepeat: 88, - paintImageMaskXObjectRepeat: 89, - paintSolidColorImageMask: 90, - constructPath: 91 -}; - -// A notice for devs. These are good for things that are helpful to devs, such -// as warning that Workers were disabled, which is important to devs but not -// end users. -function info(msg) { - if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.infos) { - console.log('Info: ' + msg); - } -} - -// Non-fatal warnings. -function warn(msg) { - if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.warnings) { - console.log('Warning: ' + msg); - } -} - -// Fatal errors that should trigger the fallback UI and halt execution by -// throwing an exception. -function error(msg) { - // If multiple arguments were passed, pass them all to the log function. - if (arguments.length > 1) { - var logArguments = ['Error:']; - logArguments.push.apply(logArguments, arguments); - console.log.apply(console, logArguments); - // Join the arguments into a single string for the lines below. - msg = [].join.call(arguments, ' '); - } else { - console.log('Error: ' + msg); - } - console.log(backtrace()); - UnsupportedManager.notify(UNSUPPORTED_FEATURES.unknown); - throw new Error(msg); -} - -function backtrace() { - try { - throw new Error(); - } catch (e) { - return e.stack ? e.stack.split('\n').slice(2).join('\n') : ''; - } -} - -function assert(cond, msg) { - if (!cond) { - error(msg); - } -} - -var UNSUPPORTED_FEATURES = PDFJS.UNSUPPORTED_FEATURES = { - unknown: 'unknown', - forms: 'forms', - javaScript: 'javaScript', - smask: 'smask', - shadingPattern: 'shadingPattern', - font: 'font' -}; - -var UnsupportedManager = PDFJS.UnsupportedManager = - (function UnsupportedManagerClosure() { - var listeners = []; - return { - listen: function (cb) { - listeners.push(cb); - }, - notify: function (featureId) { - warn('Unsupported feature "' + featureId + '"'); - for (var i = 0, ii = listeners.length; i < ii; i++) { - listeners[i](featureId); - } - } - }; -})(); - -// Combines two URLs. The baseUrl shall be absolute URL. If the url is an -// absolute URL, it will be returned as is. -function combineUrl(baseUrl, url) { - if (!url) { - return baseUrl; - } - if (/^[a-z][a-z0-9+\-.]*:/i.test(url)) { - return url; - } - var i; - if (url.charAt(0) === '/') { - // absolute path - i = baseUrl.indexOf('://'); - if (url.charAt(1) === '/') { - ++i; - } else { - i = baseUrl.indexOf('/', i + 3); - } - return baseUrl.substring(0, i) + url; - } else { - // relative path - var pathLength = baseUrl.length; - i = baseUrl.lastIndexOf('#'); - pathLength = i >= 0 ? i : pathLength; - i = baseUrl.lastIndexOf('?', pathLength); - pathLength = i >= 0 ? i : pathLength; - var prefixLength = baseUrl.lastIndexOf('/', pathLength); - return baseUrl.substring(0, prefixLength + 1) + url; - } -} - -// Validates if URL is safe and allowed, e.g. to avoid XSS. -function isValidUrl(url, allowRelative) { - if (!url) { - return false; - } - // RFC 3986 (http://tools.ietf.org/html/rfc3986#section-3.1) - // scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." ) - var protocol = /^[a-z][a-z0-9+\-.]*(?=:)/i.exec(url); - if (!protocol) { - return allowRelative; - } - protocol = protocol[0].toLowerCase(); - switch (protocol) { - case 'http': - case 'https': - case 'ftp': - case 'mailto': - return true; - default: - return false; - } -} -PDFJS.isValidUrl = isValidUrl; - -function shadow(obj, prop, value) { - Object.defineProperty(obj, prop, { value: value, - enumerable: true, - configurable: true, - writable: false }); - return value; -} - -var PasswordResponses = PDFJS.PasswordResponses = { - NEED_PASSWORD: 1, - INCORRECT_PASSWORD: 2 -}; - -var PasswordException = (function PasswordExceptionClosure() { - function PasswordException(msg, code) { - this.name = 'PasswordException'; - this.message = msg; - this.code = code; + this.chigh = ((this.chigh << 7) & 0xFFFF) | ((this.clow >> 9) & 0x7F); + this.clow = (this.clow << 7) & 0xFFFF; + this.ct -= 7; + this.a = 0x8000; } - PasswordException.prototype = new Error(); - PasswordException.constructor = PasswordException; - - return PasswordException; -})(); -PDFJS.PasswordException = PasswordException; - -var UnknownErrorException = (function UnknownErrorExceptionClosure() { - function UnknownErrorException(msg, details) { - this.name = 'UnknownErrorException'; - this.message = msg; - this.details = details; - } - - UnknownErrorException.prototype = new Error(); - UnknownErrorException.constructor = UnknownErrorException; - - return UnknownErrorException; -})(); -PDFJS.UnknownErrorException = UnknownErrorException; - -var InvalidPDFException = (function InvalidPDFExceptionClosure() { - function InvalidPDFException(msg) { - this.name = 'InvalidPDFException'; - this.message = msg; - } - - InvalidPDFException.prototype = new Error(); - InvalidPDFException.constructor = InvalidPDFException; - - return InvalidPDFException; -})(); -PDFJS.InvalidPDFException = InvalidPDFException; - -var MissingPDFException = (function MissingPDFExceptionClosure() { - function MissingPDFException(msg) { - this.name = 'MissingPDFException'; - this.message = msg; - } - - MissingPDFException.prototype = new Error(); - MissingPDFException.constructor = MissingPDFException; - - return MissingPDFException; -})(); -PDFJS.MissingPDFException = MissingPDFException; - -var UnexpectedResponseException = - (function UnexpectedResponseExceptionClosure() { - function UnexpectedResponseException(msg, status) { - this.name = 'UnexpectedResponseException'; - this.message = msg; - this.status = status; - } - - UnexpectedResponseException.prototype = new Error(); - UnexpectedResponseException.constructor = UnexpectedResponseException; - - return UnexpectedResponseException; -})(); -PDFJS.UnexpectedResponseException = UnexpectedResponseException; - -var NotImplementedException = (function NotImplementedExceptionClosure() { - function NotImplementedException(msg) { - this.message = msg; - } - - NotImplementedException.prototype = new Error(); - NotImplementedException.prototype.name = 'NotImplementedException'; - NotImplementedException.constructor = NotImplementedException; - - return NotImplementedException; -})(); - -var MissingDataException = (function MissingDataExceptionClosure() { - function MissingDataException(begin, end) { - this.begin = begin; - this.end = end; - this.message = 'Missing data [' + begin + ', ' + end + ')'; - } - - MissingDataException.prototype = new Error(); - MissingDataException.prototype.name = 'MissingDataException'; - MissingDataException.constructor = MissingDataException; - - return MissingDataException; -})(); - -var XRefParseException = (function XRefParseExceptionClosure() { - function XRefParseException(msg) { - this.message = msg; - } - - XRefParseException.prototype = new Error(); - XRefParseException.prototype.name = 'XRefParseException'; - XRefParseException.constructor = XRefParseException; - - return XRefParseException; -})(); - - -function bytesToString(bytes) { - var length = bytes.length; - var MAX_ARGUMENT_COUNT = 8192; - if (length < MAX_ARGUMENT_COUNT) { - return String.fromCharCode.apply(null, bytes); - } - var strBuf = []; - for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) { - var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length); - var chunk = bytes.subarray(i, chunkEnd); - strBuf.push(String.fromCharCode.apply(null, chunk)); - } - return strBuf.join(''); -} - -function stringToBytes(str) { - var length = str.length; - var bytes = new Uint8Array(length); - for (var i = 0; i < length; ++i) { - bytes[i] = str.charCodeAt(i) & 0xFF; - } - return bytes; -} - -function string32(value) { - return String.fromCharCode((value >> 24) & 0xff, (value >> 16) & 0xff, - (value >> 8) & 0xff, value & 0xff); -} - -function log2(x) { - var n = 1, i = 0; - while (x > n) { - n <<= 1; - i++; - } - return i; -} - -function readInt8(data, start) { - return (data[start] << 24) >> 24; -} - -function readUint16(data, offset) { - return (data[offset] << 8) | data[offset + 1]; -} - -function readUint32(data, offset) { - return ((data[offset] << 24) | (data[offset + 1] << 16) | - (data[offset + 2] << 8) | data[offset + 3]) >>> 0; -} - -// Lazy test the endianness of the platform -// NOTE: This will be 'true' for simulated TypedArrays -function isLittleEndian() { - var buffer8 = new Uint8Array(2); - buffer8[0] = 1; - var buffer16 = new Uint16Array(buffer8.buffer); - return (buffer16[0] === 1); -} - -Object.defineProperty(PDFJS, 'isLittleEndian', { - configurable: true, - get: function PDFJS_isLittleEndian() { - return shadow(PDFJS, 'isLittleEndian', isLittleEndian()); - } -}); - - // Lazy test if the userAgant support CanvasTypedArrays -function hasCanvasTypedArrays() { - var canvas = document.createElement('canvas'); - canvas.width = canvas.height = 1; - var ctx = canvas.getContext('2d'); - var imageData = ctx.createImageData(1, 1); - return (typeof imageData.data.buffer !== 'undefined'); -} - -Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', { - configurable: true, - get: function PDFJS_hasCanvasTypedArrays() { - return shadow(PDFJS, 'hasCanvasTypedArrays', hasCanvasTypedArrays()); - } -}); - -var Uint32ArrayView = (function Uint32ArrayViewClosure() { - - function Uint32ArrayView(buffer, length) { - this.buffer = buffer; - this.byteLength = buffer.length; - this.length = length === undefined ? (this.byteLength >> 2) : length; - ensureUint32ArrayViewProps(this.length); - } - Uint32ArrayView.prototype = Object.create(null); - - var uint32ArrayViewSetters = 0; - function createUint32ArrayProp(index) { - return { - get: function () { - var buffer = this.buffer, offset = index << 2; - return (buffer[offset] | (buffer[offset + 1] << 8) | - (buffer[offset + 2] << 16) | (buffer[offset + 3] << 24)) >>> 0; - }, - set: function (value) { - var buffer = this.buffer, offset = index << 2; - buffer[offset] = value & 255; - buffer[offset + 1] = (value >> 8) & 255; - buffer[offset + 2] = (value >> 16) & 255; - buffer[offset + 3] = (value >>> 24) & 255; - } - }; - } - - function ensureUint32ArrayViewProps(length) { - while (uint32ArrayViewSetters < length) { - Object.defineProperty(Uint32ArrayView.prototype, - uint32ArrayViewSetters, - createUint32ArrayProp(uint32ArrayViewSetters)); - uint32ArrayViewSetters++; - } - } - - return Uint32ArrayView; -})(); - -var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; - -var Util = PDFJS.Util = (function UtilClosure() { - function Util() {} - - var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')']; - - // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids - // creating many intermediate strings. - Util.makeCssRgb = function Util_makeCssRgb(rgb) { - rgbBuf[1] = rgb[0]; - rgbBuf[3] = rgb[1]; - rgbBuf[5] = rgb[2]; - return rgbBuf.join(''); - }; - - // Concatenates two transformation matrices together and returns the result. - Util.transform = function Util_transform(m1, m2) { - return [ - m1[0] * m2[0] + m1[2] * m2[1], - m1[1] * m2[0] + m1[3] * m2[1], - m1[0] * m2[2] + m1[2] * m2[3], - m1[1] * m2[2] + m1[3] * m2[3], - m1[0] * m2[4] + m1[2] * m2[5] + m1[4], - m1[1] * m2[4] + m1[3] * m2[5] + m1[5] - ]; - }; - - // For 2d affine transforms - Util.applyTransform = function Util_applyTransform(p, m) { - var xt = p[0] * m[0] + p[1] * m[2] + m[4]; - var yt = p[0] * m[1] + p[1] * m[3] + m[5]; - return [xt, yt]; - }; - - Util.applyInverseTransform = function Util_applyInverseTransform(p, m) { - var d = m[0] * m[3] - m[1] * m[2]; - var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d; - var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d; - return [xt, yt]; - }; - - // Applies the transform to the rectangle and finds the minimum axially - // aligned bounding box. - Util.getAxialAlignedBoundingBox = - function Util_getAxialAlignedBoundingBox(r, m) { - - var p1 = Util.applyTransform(r, m); - var p2 = Util.applyTransform(r.slice(2, 4), m); - var p3 = Util.applyTransform([r[0], r[3]], m); - var p4 = Util.applyTransform([r[2], r[1]], m); - return [ - Math.min(p1[0], p2[0], p3[0], p4[0]), - Math.min(p1[1], p2[1], p3[1], p4[1]), - Math.max(p1[0], p2[0], p3[0], p4[0]), - Math.max(p1[1], p2[1], p3[1], p4[1]) - ]; - }; - - Util.inverseTransform = function Util_inverseTransform(m) { - var d = m[0] * m[3] - m[1] * m[2]; - return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, - (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d]; - }; - - // Apply a generic 3d matrix M on a 3-vector v: - // | a b c | | X | - // | d e f | x | Y | - // | g h i | | Z | - // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i], - // with v as [X,Y,Z] - Util.apply3dTransform = function Util_apply3dTransform(m, v) { - return [ - m[0] * v[0] + m[1] * v[1] + m[2] * v[2], - m[3] * v[0] + m[4] * v[1] + m[5] * v[2], - m[6] * v[0] + m[7] * v[1] + m[8] * v[2] - ]; - }; - - // This calculation uses Singular Value Decomposition. - // The SVD can be represented with formula A = USV. We are interested in the - // matrix S here because it represents the scale values. - Util.singularValueDecompose2dScale = - function Util_singularValueDecompose2dScale(m) { - - var transpose = [m[0], m[2], m[1], m[3]]; - - // Multiply matrix m with its transpose. - var a = m[0] * transpose[0] + m[1] * transpose[2]; - var b = m[0] * transpose[1] + m[1] * transpose[3]; - var c = m[2] * transpose[0] + m[3] * transpose[2]; - var d = m[2] * transpose[1] + m[3] * transpose[3]; - - // Solve the second degree polynomial to get roots. - var first = (a + d) / 2; - var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2; - var sx = first + second || 1; - var sy = first - second || 1; - - // Scale values are the square roots of the eigenvalues. - return [Math.sqrt(sx), Math.sqrt(sy)]; - }; - - // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2) - // For coordinate systems whose origin lies in the bottom-left, this - // means normalization to (BL,TR) ordering. For systems with origin in the - // top-left, this means (TL,BR) ordering. - Util.normalizeRect = function Util_normalizeRect(rect) { - var r = rect.slice(0); // clone rect - if (rect[0] > rect[2]) { - r[0] = rect[2]; - r[2] = rect[0]; - } - if (rect[1] > rect[3]) { - r[1] = rect[3]; - r[3] = rect[1]; - } - return r; - }; - - // Returns a rectangle [x1, y1, x2, y2] corresponding to the - // intersection of rect1 and rect2. If no intersection, returns 'false' - // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2] - Util.intersect = function Util_intersect(rect1, rect2) { - function compare(a, b) { - return a - b; - } - - // Order points along the axes - var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare), - orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare), - result = []; - - rect1 = Util.normalizeRect(rect1); - rect2 = Util.normalizeRect(rect2); - - // X: first and second points belong to different rectangles? - if ((orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) || - (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])) { - // Intersection must be between second and third points - result[0] = orderedX[1]; - result[2] = orderedX[2]; - } else { - return false; - } - - // Y: first and second points belong to different rectangles? - if ((orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) || - (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])) { - // Intersection must be between second and third points - result[1] = orderedY[1]; - result[3] = orderedY[2]; - } else { - return false; - } - - return result; - }; - - Util.sign = function Util_sign(num) { - return num < 0 ? -1 : 1; - }; - - Util.appendToArray = function Util_appendToArray(arr1, arr2) { - Array.prototype.push.apply(arr1, arr2); - }; - - Util.prependToArray = function Util_prependToArray(arr1, arr2) { - Array.prototype.unshift.apply(arr1, arr2); - }; - - Util.extendObj = function extendObj(obj1, obj2) { - for (var key in obj2) { - obj1[key] = obj2[key]; - } - }; - - Util.getInheritableProperty = function Util_getInheritableProperty(dict, - name) { - while (dict && !dict.has(name)) { - dict = dict.get('Parent'); - } - if (!dict) { - return null; - } - return dict.get(name); - }; - - Util.inherit = function Util_inherit(sub, base, prototype) { - sub.prototype = Object.create(base.prototype); - sub.prototype.constructor = sub; - for (var prop in prototype) { - sub.prototype[prop] = prototype[prop]; - } - }; - - Util.loadScript = function Util_loadScript(src, callback) { - var script = document.createElement('script'); - var loaded = false; - script.setAttribute('src', src); - if (callback) { - script.onload = function() { - if (!loaded) { - callback(); - } - loaded = true; - }; - } - document.getElementsByTagName('head')[0].appendChild(script); - }; - - return Util; -})(); - -/** - * PDF page viewport created based on scale, rotation and offset. - * @class - * @alias PDFJS.PageViewport - */ -var PageViewport = PDFJS.PageViewport = (function PageViewportClosure() { - /** - * @constructor - * @private - * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates. - * @param scale {number} scale of the viewport. - * @param rotation {number} rotations of the viewport in degrees. - * @param offsetX {number} offset X - * @param offsetY {number} offset Y - * @param dontFlip {boolean} if true, axis Y will not be flipped. - */ - function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) { - this.viewBox = viewBox; - this.scale = scale; - this.rotation = rotation; - this.offsetX = offsetX; - this.offsetY = offsetY; - - // creating transform to convert pdf coordinate system to the normal - // canvas like coordinates taking in account scale and rotation - var centerX = (viewBox[2] + viewBox[0]) / 2; - var centerY = (viewBox[3] + viewBox[1]) / 2; - var rotateA, rotateB, rotateC, rotateD; - rotation = rotation % 360; - rotation = rotation < 0 ? rotation + 360 : rotation; - switch (rotation) { - case 180: - rotateA = -1; rotateB = 0; rotateC = 0; rotateD = 1; - break; - case 90: - rotateA = 0; rotateB = 1; rotateC = 1; rotateD = 0; - break; - case 270: - rotateA = 0; rotateB = -1; rotateC = -1; rotateD = 0; - break; - //case 0: - default: - rotateA = 1; rotateB = 0; rotateC = 0; rotateD = -1; - break; - } - - if (dontFlip) { - rotateC = -rotateC; rotateD = -rotateD; - } - - var offsetCanvasX, offsetCanvasY; - var width, height; - if (rotateA === 0) { - offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX; - offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY; - width = Math.abs(viewBox[3] - viewBox[1]) * scale; - height = Math.abs(viewBox[2] - viewBox[0]) * scale; - } else { - offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; - offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; - width = Math.abs(viewBox[2] - viewBox[0]) * scale; - height = Math.abs(viewBox[3] - viewBox[1]) * scale; - } - // creating transform for the following operations: - // translate(-centerX, -centerY), rotate and flip vertically, - // scale, and translate(offsetCanvasX, offsetCanvasY) - this.transform = [ - rotateA * scale, - rotateB * scale, - rotateC * scale, - rotateD * scale, - offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, - offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY - ]; - - this.width = width; - this.height = height; - this.fontScale = scale; - } - PageViewport.prototype = /** @lends PDFJS.PageViewport.prototype */ { - /** - * Clones viewport with additional properties. - * @param args {Object} (optional) If specified, may contain the 'scale' or - * 'rotation' properties to override the corresponding properties in - * the cloned viewport. - * @returns {PDFJS.PageViewport} Cloned viewport. - */ - clone: function PageViewPort_clone(args) { - args = args || {}; - var scale = 'scale' in args ? args.scale : this.scale; - var rotation = 'rotation' in args ? args.rotation : this.rotation; - return new PageViewport(this.viewBox.slice(), scale, rotation, - this.offsetX, this.offsetY, args.dontFlip); - }, - /** - * Converts PDF point to the viewport coordinates. For examples, useful for - * converting PDF location into canvas pixel coordinates. - * @param x {number} X coordinate. - * @param y {number} Y coordinate. - * @returns {Object} Object that contains 'x' and 'y' properties of the - * point in the viewport coordinate space. - * @see {@link convertToPdfPoint} - * @see {@link convertToViewportRectangle} - */ - convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) { - return Util.applyTransform([x, y], this.transform); - }, - /** - * Converts PDF rectangle to the viewport coordinates. - * @param rect {Array} xMin, yMin, xMax and yMax coordinates. - * @returns {Array} Contains corresponding coordinates of the rectangle - * in the viewport coordinate space. - * @see {@link convertToViewportPoint} - */ - convertToViewportRectangle: - function PageViewport_convertToViewportRectangle(rect) { - var tl = Util.applyTransform([rect[0], rect[1]], this.transform); - var br = Util.applyTransform([rect[2], rect[3]], this.transform); - return [tl[0], tl[1], br[0], br[1]]; - }, - /** - * Converts viewport coordinates to the PDF location. For examples, useful - * for converting canvas pixel location into PDF one. - * @param x {number} X coordinate. - * @param y {number} Y coordinate. - * @returns {Object} Object that contains 'x' and 'y' properties of the - * point in the PDF coordinate space. - * @see {@link convertToViewportPoint} - */ - convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) { - return Util.applyInverseTransform([x, y], this.transform); - } - }; - return PageViewport; -})(); - -var PDFStringTranslateTable = [ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, - 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, - 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, - 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC -]; - -function stringToPDFString(str) { - var i, n = str.length, strBuf = []; - if (str[0] === '\xFE' && str[1] === '\xFF') { - // UTF16BE BOM - for (i = 2; i < n; i += 2) { - strBuf.push(String.fromCharCode( - (str.charCodeAt(i) << 8) | str.charCodeAt(i + 1))); - } - } else { - for (i = 0; i < n; ++i) { - var code = PDFStringTranslateTable[str.charCodeAt(i)]; - strBuf.push(code ? String.fromCharCode(code) : str.charAt(i)); - } - } - return strBuf.join(''); -} - -function stringToUTF8String(str) { - return decodeURIComponent(escape(str)); -} - -function isEmptyObj(obj) { - for (var key in obj) { - return false; - } - return true; -} - -function isBool(v) { - return typeof v === 'boolean'; -} - -function isInt(v) { - return typeof v === 'number' && ((v | 0) === v); -} - -function isNum(v) { - return typeof v === 'number'; -} - -function isString(v) { - return typeof v === 'string'; -} - -function isNull(v) { - return v === null; -} - -function isName(v) { - return v instanceof Name; -} - -function isCmd(v, cmd) { - return v instanceof Cmd && (cmd === undefined || v.cmd === cmd); -} - -function isDict(v, type) { - if (!(v instanceof Dict)) { - return false; - } - if (!type) { - return true; - } - var dictType = v.get('Type'); - return isName(dictType) && dictType.name === type; -} - -function isArray(v) { - return v instanceof Array; -} - -function isStream(v) { - return typeof v === 'object' && v !== null && v.getBytes !== undefined; -} - -function isArrayBuffer(v) { - return typeof v === 'object' && v !== null && v.byteLength !== undefined; -} - -function isRef(v) { - return v instanceof Ref; -} - -/** - * Promise Capability object. - * - * @typedef {Object} PromiseCapability - * @property {Promise} promise - A promise object. - * @property {function} resolve - Fullfills the promise. - * @property {function} reject - Rejects the promise. - */ - -/** - * Creates a promise capability object. - * @alias PDFJS.createPromiseCapability - * - * @return {PromiseCapability} A capability object contains: - * - a Promise, resolve and reject methods. - */ -function createPromiseCapability() { - var capability = {}; - capability.promise = new Promise(function (resolve, reject) { - capability.resolve = resolve; - capability.reject = reject; - }); - return capability; -} - -PDFJS.createPromiseCapability = createPromiseCapability; - -/** - * Polyfill for Promises: - * The following promise implementation tries to generally implement the - * Promise/A+ spec. Some notable differences from other promise libaries are: - * - There currently isn't a seperate deferred and promise object. - * - Unhandled rejections eventually show an error if they aren't handled. - * - * Based off of the work in: - * https://bugzilla.mozilla.org/show_bug.cgi?id=810490 - */ -(function PromiseClosure() { - if (globalScope.Promise) { - // Promises existing in the DOM/Worker, checking presence of all/resolve - if (typeof globalScope.Promise.all !== 'function') { - globalScope.Promise.all = function (iterable) { - var count = 0, results = [], resolve, reject; - var promise = new globalScope.Promise(function (resolve_, reject_) { - resolve = resolve_; - reject = reject_; - }); - iterable.forEach(function (p, i) { - count++; - p.then(function (result) { - results[i] = result; - count--; - if (count === 0) { - resolve(results); - } - }, reject); - }); - if (count === 0) { - resolve(results); - } - return promise; - }; - } - if (typeof globalScope.Promise.resolve !== 'function') { - globalScope.Promise.resolve = function (value) { - return new globalScope.Promise(function (resolve) { resolve(value); }); - }; - } - if (typeof globalScope.Promise.reject !== 'function') { - globalScope.Promise.reject = function (reason) { - return new globalScope.Promise(function (resolve, reject) { - reject(reason); - }); - }; - } - if (typeof globalScope.Promise.prototype.catch !== 'function') { - globalScope.Promise.prototype.catch = function (onReject) { - return globalScope.Promise.prototype.then(undefined, onReject); - }; - } - return; - } - var STATUS_PENDING = 0; - var STATUS_RESOLVED = 1; - var STATUS_REJECTED = 2; - - // In an attempt to avoid silent exceptions, unhandled rejections are - // tracked and if they aren't handled in a certain amount of time an - // error is logged. - var REJECTION_TIMEOUT = 500; - - var HandlerManager = { - handlers: [], - running: false, - unhandledRejections: [], - pendingRejectionCheck: false, - - scheduleHandlers: function scheduleHandlers(promise) { - if (promise._status === STATUS_PENDING) { - return; - } - - this.handlers = this.handlers.concat(promise._handlers); - promise._handlers = []; - - if (this.running) { - return; - } - this.running = true; - - setTimeout(this.runHandlers.bind(this), 0); - }, - - runHandlers: function runHandlers() { - var RUN_TIMEOUT = 1; // ms - var timeoutAt = Date.now() + RUN_TIMEOUT; - while (this.handlers.length > 0) { - var handler = this.handlers.shift(); - - var nextStatus = handler.thisPromise._status; - var nextValue = handler.thisPromise._value; - - try { - if (nextStatus === STATUS_RESOLVED) { - if (typeof handler.onResolve === 'function') { - nextValue = handler.onResolve(nextValue); - } - } else if (typeof handler.onReject === 'function') { - nextValue = handler.onReject(nextValue); - nextStatus = STATUS_RESOLVED; - - if (handler.thisPromise._unhandledRejection) { - this.removeUnhandeledRejection(handler.thisPromise); - } - } - } catch (ex) { - nextStatus = STATUS_REJECTED; - nextValue = ex; - } - - handler.nextPromise._updateStatus(nextStatus, nextValue); - if (Date.now() >= timeoutAt) { - break; - } - } - - if (this.handlers.length > 0) { - setTimeout(this.runHandlers.bind(this), 0); - return; - } - - this.running = false; - }, - - addUnhandledRejection: function addUnhandledRejection(promise) { - this.unhandledRejections.push({ - promise: promise, - time: Date.now() - }); - this.scheduleRejectionCheck(); - }, - - removeUnhandeledRejection: function removeUnhandeledRejection(promise) { - promise._unhandledRejection = false; - for (var i = 0; i < this.unhandledRejections.length; i++) { - if (this.unhandledRejections[i].promise === promise) { - this.unhandledRejections.splice(i); - i--; - } - } - }, - - scheduleRejectionCheck: function scheduleRejectionCheck() { - if (this.pendingRejectionCheck) { - return; - } - this.pendingRejectionCheck = true; - setTimeout(function rejectionCheck() { - this.pendingRejectionCheck = false; - var now = Date.now(); - for (var i = 0; i < this.unhandledRejections.length; i++) { - if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) { - var unhandled = this.unhandledRejections[i].promise._value; - var msg = 'Unhandled rejection: ' + unhandled; - if (unhandled.stack) { - msg += '\n' + unhandled.stack; - } - warn(msg); - this.unhandledRejections.splice(i); - i--; - } - } - if (this.unhandledRejections.length) { - this.scheduleRejectionCheck(); - } - }.bind(this), REJECTION_TIMEOUT); - } - }; - - function Promise(resolver) { - this._status = STATUS_PENDING; - this._handlers = []; - try { - resolver.call(this, this._resolve.bind(this), this._reject.bind(this)); - } catch (e) { - this._reject(e); - } - } - /** - * Builds a promise that is resolved when all the passed in promises are - * resolved. - * @param {array} array of data and/or promises to wait for. - * @return {Promise} New dependant promise. - */ - Promise.all = function Promise_all(promises) { - var resolveAll, rejectAll; - var deferred = new Promise(function (resolve, reject) { - resolveAll = resolve; - rejectAll = reject; - }); - var unresolved = promises.length; - var results = []; - if (unresolved === 0) { - resolveAll(results); - return deferred; - } - function reject(reason) { - if (deferred._status === STATUS_REJECTED) { - return; - } - results = []; - rejectAll(reason); - } - for (var i = 0, ii = promises.length; i < ii; ++i) { - var promise = promises[i]; - var resolve = (function(i) { - return function(value) { - if (deferred._status === STATUS_REJECTED) { - return; - } - results[i] = value; - unresolved--; - if (unresolved === 0) { - resolveAll(results); - } - }; - })(i); - if (Promise.isPromise(promise)) { - promise.then(resolve, reject); - } else { - resolve(promise); - } - } - return deferred; - }; - - /** - * Checks if the value is likely a promise (has a 'then' function). - * @return {boolean} true if value is thenable - */ - Promise.isPromise = function Promise_isPromise(value) { - return value && typeof value.then === 'function'; - }; - - /** - * Creates resolved promise - * @param value resolve value - * @returns {Promise} - */ - Promise.resolve = function Promise_resolve(value) { - return new Promise(function (resolve) { resolve(value); }); - }; - - /** - * Creates rejected promise - * @param reason rejection value - * @returns {Promise} - */ - Promise.reject = function Promise_reject(reason) { - return new Promise(function (resolve, reject) { reject(reason); }); - }; - - Promise.prototype = { - _status: null, - _value: null, - _handlers: null, - _unhandledRejection: null, - - _updateStatus: function Promise__updateStatus(status, value) { - if (this._status === STATUS_RESOLVED || - this._status === STATUS_REJECTED) { - return; - } - - if (status === STATUS_RESOLVED && - Promise.isPromise(value)) { - value.then(this._updateStatus.bind(this, STATUS_RESOLVED), - this._updateStatus.bind(this, STATUS_REJECTED)); - return; - } - - this._status = status; - this._value = value; - - if (status === STATUS_REJECTED && this._handlers.length === 0) { - this._unhandledRejection = true; - HandlerManager.addUnhandledRejection(this); - } - - HandlerManager.scheduleHandlers(this); - }, - - _resolve: function Promise_resolve(value) { - this._updateStatus(STATUS_RESOLVED, value); - }, - - _reject: function Promise_reject(reason) { - this._updateStatus(STATUS_REJECTED, reason); - }, - - then: function Promise_then(onResolve, onReject) { - var nextPromise = new Promise(function (resolve, reject) { - this.resolve = resolve; - this.reject = reject; - }); - this._handlers.push({ - thisPromise: this, - onResolve: onResolve, - onReject: onReject, - nextPromise: nextPromise - }); - HandlerManager.scheduleHandlers(this); - return nextPromise; - }, - - catch: function Promise_catch(onReject) { - return this.then(undefined, onReject); - } - }; - - globalScope.Promise = Promise; -})(); - -var StatTimer = (function StatTimerClosure() { - function rpad(str, pad, length) { - while (str.length < length) { - str += pad; - } - return str; - } - function StatTimer() { - this.started = {}; - this.times = []; - this.enabled = true; - } - StatTimer.prototype = { - time: function StatTimer_time(name) { - if (!this.enabled) { - return; - } - if (name in this.started) { - warn('Timer is already running for ' + name); - } - this.started[name] = Date.now(); - }, - timeEnd: function StatTimer_timeEnd(name) { - if (!this.enabled) { - return; - } - if (!(name in this.started)) { - warn('Timer has not been started for ' + name); - } - this.times.push({ - 'name': name, - 'start': this.started[name], - 'end': Date.now() - }); - // Remove timer from started so it can be called again. - delete this.started[name]; - }, - toString: function StatTimer_toString() { - var i, ii; - var times = this.times; - var out = ''; - // Find the longest name for padding purposes. - var longest = 0; - for (i = 0, ii = times.length; i < ii; ++i) { - var name = times[i]['name']; - if (name.length > longest) { - longest = name.length; - } - } - for (i = 0, ii = times.length; i < ii; ++i) { - var span = times[i]; - var duration = span.end - span.start; - out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n'; - } - return out; - } - }; - return StatTimer; -})(); - -PDFJS.createBlob = function createBlob(data, contentType) { - if (typeof Blob !== 'undefined') { - return new Blob([data], { type: contentType }); - } - // Blob builder is deprecated in FF14 and removed in FF18. - var bb = new MozBlobBuilder(); - bb.append(data); - return bb.getBlob(contentType); -}; - -PDFJS.createObjectURL = (function createObjectURLClosure() { - // Blob/createObjectURL is not available, falling back to data schema. - var digits = - 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; - - return function createObjectURL(data, contentType) { - if (!PDFJS.disableCreateObjectURL && - typeof URL !== 'undefined' && URL.createObjectURL) { - var blob = PDFJS.createBlob(data, contentType); - return URL.createObjectURL(blob); - } - - var buffer = 'data:' + contentType + ';base64,'; - for (var i = 0, ii = data.length; i < ii; i += 3) { - var b1 = data[i] & 0xFF; - var b2 = data[i + 1] & 0xFF; - var b3 = data[i + 2] & 0xFF; - var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4); - var d3 = i + 1 < ii ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64; - var d4 = i + 2 < ii ? (b3 & 0x3F) : 64; - buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4]; - } - return buffer; - }; -})(); - -function MessageHandler(name, comObj) { - this.name = name; - this.comObj = comObj; - this.callbackIndex = 1; - this.postMessageTransfers = true; - var callbacksCapabilities = this.callbacksCapabilities = {}; - var ah = this.actionHandler = {}; - - ah['console_log'] = [function ahConsoleLog(data) { - console.log.apply(console, data); - }]; - ah['console_error'] = [function ahConsoleError(data) { - console.error.apply(console, data); - }]; - ah['_unsupported_feature'] = [function ah_unsupportedFeature(data) { - UnsupportedManager.notify(data); - }]; - - comObj.onmessage = function messageHandlerComObjOnMessage(event) { - var data = event.data; - if (data.isReply) { - var callbackId = data.callbackId; - if (data.callbackId in callbacksCapabilities) { - var callback = callbacksCapabilities[callbackId]; - delete callbacksCapabilities[callbackId]; - if ('error' in data) { - callback.reject(data.error); + ArithmeticDecoder.prototype = { + // C.3.4 Compressed data input (BYTEIN) + byteIn: function ArithmeticDecoder_byteIn() { + var data = this.data; + var bp = this.bp; + if (data[bp] === 0xFF) { + var b1 = data[bp + 1]; + if (b1 > 0x8F) { + this.clow += 0xFF00; + this.ct = 8; } else { - callback.resolve(data.data); + bp++; + this.clow += (data[bp] << 9); + this.ct = 7; + this.bp = bp; } } else { - error('Cannot resolve callback ' + callbackId); + bp++; + this.clow += bp < this.dataEnd ? (data[bp] << 8) : 0xFF00; + this.ct = 8; + this.bp = bp; } - } else if (data.action in ah) { - var action = ah[data.action]; - if (data.callbackId) { - Promise.resolve().then(function () { - return action[0].call(action[1], data.data); - }).then(function (result) { - comObj.postMessage({ - isReply: true, - callbackId: data.callbackId, - data: result - }); - }, function (reason) { - comObj.postMessage({ - isReply: true, - callbackId: data.callbackId, - error: reason - }); - }); - } else { - action[0].call(action[1], data.data); + if (this.clow > 0xFFFF) { + this.chigh += (this.clow >> 16); + this.clow &= 0xFFFF; } - } else { - error('Unknown action from worker: ' + data.action); - } - }; -} - -MessageHandler.prototype = { - on: function messageHandlerOn(actionName, handler, scope) { - var ah = this.actionHandler; - if (ah[actionName]) { - error('There is already an actionName called "' + actionName + '"'); - } - ah[actionName] = [handler, scope]; - }, - /** - * Sends a message to the comObj to invoke the action with the supplied data. - * @param {String} actionName Action to call. - * @param {JSON} data JSON data to send. - * @param {Array} [transfers] Optional list of transfers/ArrayBuffers - */ - send: function messageHandlerSend(actionName, data, transfers) { - var message = { - action: actionName, - data: data - }; - this.postMessage(message, transfers); - }, - /** - * Sends a message to the comObj to invoke the action with the supplied data. - * Expects that other side will callback with the response. - * @param {String} actionName Action to call. - * @param {JSON} data JSON data to send. - * @param {Array} [transfers] Optional list of transfers/ArrayBuffers. - * @returns {Promise} Promise to be resolved with response data. - */ - sendWithPromise: - function messageHandlerSendWithPromise(actionName, data, transfers) { - var callbackId = this.callbackIndex++; - var message = { - action: actionName, - data: data, - callbackId: callbackId - }; - var capability = createPromiseCapability(); - this.callbacksCapabilities[callbackId] = capability; - try { - this.postMessage(message, transfers); - } catch (e) { - capability.reject(e); - } - return capability.promise; - }, - /** - * Sends raw message to the comObj. - * @private - * @param message {Object} Raw message. - * @param transfers List of transfers/ArrayBuffers, or undefined. - */ - postMessage: function (message, transfers) { - if (transfers && this.postMessageTransfers) { - this.comObj.postMessage(message, transfers); - } else { - this.comObj.postMessage(message); - } - } -}; - -function loadJpegStream(id, imageUrl, objs) { - var img = new Image(); - img.onload = (function loadJpegStream_onloadClosure() { - objs.resolve(id, img); - }); - img.onerror = (function loadJpegStream_onerrorClosure() { - objs.resolve(id, null); - warn('Error during JPEG image loading'); - }); - img.src = imageUrl; -} - - - - -var NetworkManager = (function NetworkManagerClosure() { - - var OK_RESPONSE = 200; - var PARTIAL_CONTENT_RESPONSE = 206; - - function NetworkManager(url, args) { - this.url = url; - args = args || {}; - this.isHttp = /^https?:/i.test(url); - this.httpHeaders = (this.isHttp && args.httpHeaders) || {}; - this.withCredentials = args.withCredentials || false; - this.getXhr = args.getXhr || - function NetworkManager_getXhr() { - return new XMLHttpRequest(); - }; - - this.currXhrId = 0; - this.pendingRequests = {}; - this.loadedRequests = {}; - } - - function getArrayBuffer(xhr) { - var data = xhr.response; - if (typeof data !== 'string') { - return data; - } - var length = data.length; - var array = new Uint8Array(length); - for (var i = 0; i < length; i++) { - array[i] = data.charCodeAt(i) & 0xFF; - } - return array.buffer; - } - - NetworkManager.prototype = { - requestRange: function NetworkManager_requestRange(begin, end, listeners) { - var args = { - begin: begin, - end: end - }; - for (var prop in listeners) { - args[prop] = listeners[prop]; - } - return this.request(args); }, + // C.3.2 Decoding a decision (DECODE) + readBit: function ArithmeticDecoder_readBit(contexts, pos) { + // contexts are packed into 1 byte: + // highest 7 bits carry cx.index, lowest bit carries cx.mps + var cx_index = contexts[pos] >> 1, cx_mps = contexts[pos] & 1; + var qeTableIcx = QeTable[cx_index]; + var qeIcx = qeTableIcx.qe; + var d; + var a = this.a - qeIcx; - requestFull: function NetworkManager_requestFull(listeners) { - return this.request(listeners); - }, - - request: function NetworkManager_request(args) { - var xhr = this.getXhr(); - var xhrId = this.currXhrId++; - var pendingRequest = this.pendingRequests[xhrId] = { - xhr: xhr - }; - - xhr.open('GET', this.url); - xhr.withCredentials = this.withCredentials; - for (var property in this.httpHeaders) { - var value = this.httpHeaders[property]; - if (typeof value === 'undefined') { - continue; - } - xhr.setRequestHeader(property, value); - } - if (this.isHttp && 'begin' in args && 'end' in args) { - var rangeStr = args.begin + '-' + (args.end - 1); - xhr.setRequestHeader('Range', 'bytes=' + rangeStr); - pendingRequest.expectedStatus = 206; - } else { - pendingRequest.expectedStatus = 200; - } - - if (args.onProgressiveData) { - xhr.responseType = 'moz-chunked-arraybuffer'; - if (xhr.responseType === 'moz-chunked-arraybuffer') { - pendingRequest.onProgressiveData = args.onProgressiveData; - pendingRequest.mozChunked = true; + if (this.chigh < qeIcx) { + // exchangeLps + if (a < qeIcx) { + a = qeIcx; + d = cx_mps; + cx_index = qeTableIcx.nmps; } else { - xhr.responseType = 'arraybuffer'; + a = qeIcx; + d = 1 ^ cx_mps; + if (qeTableIcx.switchFlag === 1) { + cx_mps = d; + } + cx_index = qeTableIcx.nlps; } } else { - xhr.responseType = 'arraybuffer'; - } - - if (args.onError) { - xhr.onerror = function(evt) { - args.onError(xhr.status); - }; - } - xhr.onreadystatechange = this.onStateChange.bind(this, xhrId); - xhr.onprogress = this.onProgress.bind(this, xhrId); - - pendingRequest.onHeadersReceived = args.onHeadersReceived; - pendingRequest.onDone = args.onDone; - pendingRequest.onError = args.onError; - pendingRequest.onProgress = args.onProgress; - - xhr.send(null); - - return xhrId; - }, - - onProgress: function NetworkManager_onProgress(xhrId, evt) { - var pendingRequest = this.pendingRequests[xhrId]; - if (!pendingRequest) { - // Maybe abortRequest was called... - return; - } - - if (pendingRequest.mozChunked) { - var chunk = getArrayBuffer(pendingRequest.xhr); - pendingRequest.onProgressiveData(chunk); - } - - var onProgress = pendingRequest.onProgress; - if (onProgress) { - onProgress(evt); - } - }, - - onStateChange: function NetworkManager_onStateChange(xhrId, evt) { - var pendingRequest = this.pendingRequests[xhrId]; - if (!pendingRequest) { - // Maybe abortRequest was called... - return; - } - - var xhr = pendingRequest.xhr; - if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) { - pendingRequest.onHeadersReceived(); - delete pendingRequest.onHeadersReceived; - } - - if (xhr.readyState !== 4) { - return; - } - - if (!(xhrId in this.pendingRequests)) { - // The XHR request might have been aborted in onHeadersReceived() - // callback, in which case we should abort request - return; - } - - delete this.pendingRequests[xhrId]; - - // success status == 0 can be on ftp, file and other protocols - if (xhr.status === 0 && this.isHttp) { - if (pendingRequest.onError) { - pendingRequest.onError(xhr.status); + this.chigh -= qeIcx; + if ((a & 0x8000) !== 0) { + this.a = a; + return cx_mps; } - return; - } - var xhrStatus = xhr.status || OK_RESPONSE; - - // From http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.2: - // "A server MAY ignore the Range header". This means it's possible to - // get a 200 rather than a 206 response from a range request. - var ok_response_on_range_request = - xhrStatus === OK_RESPONSE && - pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE; - - if (!ok_response_on_range_request && - xhrStatus !== pendingRequest.expectedStatus) { - if (pendingRequest.onError) { - pendingRequest.onError(xhr.status); - } - return; - } - - this.loadedRequests[xhrId] = true; - - var chunk = getArrayBuffer(xhr); - if (xhrStatus === PARTIAL_CONTENT_RESPONSE) { - var rangeHeader = xhr.getResponseHeader('Content-Range'); - var matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader); - var begin = parseInt(matches[1], 10); - pendingRequest.onDone({ - begin: begin, - chunk: chunk - }); - } else if (pendingRequest.onProgressiveData) { - pendingRequest.onDone(null); - } else { - pendingRequest.onDone({ - begin: 0, - chunk: chunk - }); - } - }, - - hasPendingRequests: function NetworkManager_hasPendingRequests() { - for (var xhrId in this.pendingRequests) { - return true; - } - return false; - }, - - getRequestXhr: function NetworkManager_getXhr(xhrId) { - return this.pendingRequests[xhrId].xhr; - }, - - isStreamingRequest: function NetworkManager_isStreamingRequest(xhrId) { - return !!(this.pendingRequests[xhrId].onProgressiveData); - }, - - isPendingRequest: function NetworkManager_isPendingRequest(xhrId) { - return xhrId in this.pendingRequests; - }, - - isLoadedRequest: function NetworkManager_isLoadedRequest(xhrId) { - return xhrId in this.loadedRequests; - }, - - abortAllRequests: function NetworkManager_abortAllRequests() { - for (var xhrId in this.pendingRequests) { - this.abortRequest(xhrId | 0); - } - }, - - abortRequest: function NetworkManager_abortRequest(xhrId) { - var xhr = this.pendingRequests[xhrId].xhr; - delete this.pendingRequests[xhrId]; - xhr.abort(); - } - }; - - return NetworkManager; -})(); - - - -var ChunkedStream = (function ChunkedStreamClosure() { - function ChunkedStream(length, chunkSize, manager) { - this.bytes = new Uint8Array(length); - this.start = 0; - this.pos = 0; - this.end = length; - this.chunkSize = chunkSize; - this.loadedChunks = []; - this.numChunksLoaded = 0; - this.numChunks = Math.ceil(length / chunkSize); - this.manager = manager; - this.progressiveDataLength = 0; - this.lastSuccessfulEnsureByteChunk = -1; // a single-entry cache - } - - // required methods for a stream. if a particular stream does not - // implement these, an error should be thrown - ChunkedStream.prototype = { - - getMissingChunks: function ChunkedStream_getMissingChunks() { - var chunks = []; - for (var chunk = 0, n = this.numChunks; chunk < n; ++chunk) { - if (!this.loadedChunks[chunk]) { - chunks.push(chunk); - } - } - return chunks; - }, - - getBaseStreams: function ChunkedStream_getBaseStreams() { - return [this]; - }, - - allChunksLoaded: function ChunkedStream_allChunksLoaded() { - return this.numChunksLoaded === this.numChunks; - }, - - onReceiveData: function ChunkedStream_onReceiveData(begin, chunk) { - var end = begin + chunk.byteLength; - - assert(begin % this.chunkSize === 0, 'Bad begin offset: ' + begin); - // Using this.length is inaccurate here since this.start can be moved - // See ChunkedStream.moveStart() - var length = this.bytes.length; - assert(end % this.chunkSize === 0 || end === length, - 'Bad end offset: ' + end); - - this.bytes.set(new Uint8Array(chunk), begin); - var chunkSize = this.chunkSize; - var beginChunk = Math.floor(begin / chunkSize); - var endChunk = Math.floor((end - 1) / chunkSize) + 1; - var curChunk; - - for (curChunk = beginChunk; curChunk < endChunk; ++curChunk) { - if (!this.loadedChunks[curChunk]) { - this.loadedChunks[curChunk] = true; - ++this.numChunksLoaded; - } - } - }, - - onReceiveProgressiveData: - function ChunkedStream_onReceiveProgressiveData(data) { - var position = this.progressiveDataLength; - var beginChunk = Math.floor(position / this.chunkSize); - - this.bytes.set(new Uint8Array(data), position); - position += data.byteLength; - this.progressiveDataLength = position; - var endChunk = position >= this.end ? this.numChunks : - Math.floor(position / this.chunkSize); - var curChunk; - for (curChunk = beginChunk; curChunk < endChunk; ++curChunk) { - if (!this.loadedChunks[curChunk]) { - this.loadedChunks[curChunk] = true; - ++this.numChunksLoaded; - } - } - }, - - ensureByte: function ChunkedStream_ensureByte(pos) { - var chunk = Math.floor(pos / this.chunkSize); - if (chunk === this.lastSuccessfulEnsureByteChunk) { - return; - } - - if (!this.loadedChunks[chunk]) { - throw new MissingDataException(pos, pos + 1); - } - this.lastSuccessfulEnsureByteChunk = chunk; - }, - - ensureRange: function ChunkedStream_ensureRange(begin, end) { - if (begin >= end) { - return; - } - - if (end <= this.progressiveDataLength) { - return; - } - - var chunkSize = this.chunkSize; - var beginChunk = Math.floor(begin / chunkSize); - var endChunk = Math.floor((end - 1) / chunkSize) + 1; - for (var chunk = beginChunk; chunk < endChunk; ++chunk) { - if (!this.loadedChunks[chunk]) { - throw new MissingDataException(begin, end); - } - } - }, - - nextEmptyChunk: function ChunkedStream_nextEmptyChunk(beginChunk) { - var chunk, n; - for (chunk = beginChunk, n = this.numChunks; chunk < n; ++chunk) { - if (!this.loadedChunks[chunk]) { - return chunk; - } - } - // Wrap around to beginning - for (chunk = 0; chunk < beginChunk; ++chunk) { - if (!this.loadedChunks[chunk]) { - return chunk; - } - } - return null; - }, - - hasChunk: function ChunkedStream_hasChunk(chunk) { - return !!this.loadedChunks[chunk]; - }, - - get length() { - return this.end - this.start; - }, - - get isEmpty() { - return this.length === 0; - }, - - getByte: function ChunkedStream_getByte() { - var pos = this.pos; - if (pos >= this.end) { - return -1; - } - this.ensureByte(pos); - return this.bytes[this.pos++]; - }, - - getUint16: function ChunkedStream_getUint16() { - var b0 = this.getByte(); - var b1 = this.getByte(); - return (b0 << 8) + b1; - }, - - getInt32: function ChunkedStream_getInt32() { - var b0 = this.getByte(); - var b1 = this.getByte(); - var b2 = this.getByte(); - var b3 = this.getByte(); - return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; - }, - - // returns subarray of original buffer - // should only be read - getBytes: function ChunkedStream_getBytes(length) { - var bytes = this.bytes; - var pos = this.pos; - var strEnd = this.end; - - if (!length) { - this.ensureRange(pos, strEnd); - return bytes.subarray(pos, strEnd); - } - - var end = pos + length; - if (end > strEnd) { - end = strEnd; - } - this.ensureRange(pos, end); - - this.pos = end; - return bytes.subarray(pos, end); - }, - - peekByte: function ChunkedStream_peekByte() { - var peekedByte = this.getByte(); - this.pos--; - return peekedByte; - }, - - peekBytes: function ChunkedStream_peekBytes(length) { - var bytes = this.getBytes(length); - this.pos -= bytes.length; - return bytes; - }, - - getByteRange: function ChunkedStream_getBytes(begin, end) { - this.ensureRange(begin, end); - return this.bytes.subarray(begin, end); - }, - - skip: function ChunkedStream_skip(n) { - if (!n) { - n = 1; - } - this.pos += n; - }, - - reset: function ChunkedStream_reset() { - this.pos = this.start; - }, - - moveStart: function ChunkedStream_moveStart() { - this.start = this.pos; - }, - - makeSubStream: function ChunkedStream_makeSubStream(start, length, dict) { - this.ensureRange(start, start + length); - - function ChunkedStreamSubstream() {} - ChunkedStreamSubstream.prototype = Object.create(this); - ChunkedStreamSubstream.prototype.getMissingChunks = function() { - var chunkSize = this.chunkSize; - var beginChunk = Math.floor(this.start / chunkSize); - var endChunk = Math.floor((this.end - 1) / chunkSize) + 1; - var missingChunks = []; - for (var chunk = beginChunk; chunk < endChunk; ++chunk) { - if (!this.loadedChunks[chunk]) { - missingChunks.push(chunk); - } - } - return missingChunks; - }; - var subStream = new ChunkedStreamSubstream(); - subStream.pos = subStream.start = start; - subStream.end = start + length || this.end; - subStream.dict = dict; - return subStream; - }, - - isStream: true - }; - - return ChunkedStream; -})(); - -var ChunkedStreamManager = (function ChunkedStreamManagerClosure() { - - function ChunkedStreamManager(length, chunkSize, url, args) { - this.stream = new ChunkedStream(length, chunkSize, this); - this.length = length; - this.chunkSize = chunkSize; - this.url = url; - this.disableAutoFetch = args.disableAutoFetch; - var msgHandler = this.msgHandler = args.msgHandler; - - if (args.chunkedViewerLoading) { - msgHandler.on('OnDataRange', this.onReceiveData.bind(this)); - msgHandler.on('OnDataProgress', this.onProgress.bind(this)); - this.sendRequest = function ChunkedStreamManager_sendRequest(begin, end) { - msgHandler.send('RequestDataRange', { begin: begin, end: end }); - }; - } else { - - var getXhr = function getXhr() { - return new XMLHttpRequest(); - }; - this.networkManager = new NetworkManager(this.url, { - getXhr: getXhr, - httpHeaders: args.httpHeaders, - withCredentials: args.withCredentials - }); - this.sendRequest = function ChunkedStreamManager_sendRequest(begin, end) { - this.networkManager.requestRange(begin, end, { - onDone: this.onReceiveData.bind(this), - onProgress: this.onProgress.bind(this) - }); - }; - } - - this.currRequestId = 0; - - this.chunksNeededByRequest = {}; - this.requestsByChunk = {}; - this.callbacksByRequest = {}; - this.progressiveDataLength = 0; - - this._loadedStreamCapability = createPromiseCapability(); - - if (args.initialData) { - this.onReceiveData({chunk: args.initialData}); - } - } - - ChunkedStreamManager.prototype = { - onLoadedStream: function ChunkedStreamManager_getLoadedStream() { - return this._loadedStreamCapability.promise; - }, - - // Get all the chunks that are not yet loaded and groups them into - // contiguous ranges to load in as few requests as possible - requestAllChunks: function ChunkedStreamManager_requestAllChunks() { - var missingChunks = this.stream.getMissingChunks(); - this.requestChunks(missingChunks); - return this._loadedStreamCapability.promise; - }, - - requestChunks: function ChunkedStreamManager_requestChunks(chunks, - callback) { - var requestId = this.currRequestId++; - - var chunksNeeded; - var i, ii; - this.chunksNeededByRequest[requestId] = chunksNeeded = {}; - for (i = 0, ii = chunks.length; i < ii; i++) { - if (!this.stream.hasChunk(chunks[i])) { - chunksNeeded[chunks[i]] = true; - } - } - - if (isEmptyObj(chunksNeeded)) { - if (callback) { - callback(); - } - return; - } - - this.callbacksByRequest[requestId] = callback; - - var chunksToRequest = []; - for (var chunk in chunksNeeded) { - chunk = chunk | 0; - if (!(chunk in this.requestsByChunk)) { - this.requestsByChunk[chunk] = []; - chunksToRequest.push(chunk); - } - this.requestsByChunk[chunk].push(requestId); - } - - if (!chunksToRequest.length) { - return; - } - - var groupedChunksToRequest = this.groupChunks(chunksToRequest); - - for (i = 0; i < groupedChunksToRequest.length; ++i) { - var groupedChunk = groupedChunksToRequest[i]; - var begin = groupedChunk.beginChunk * this.chunkSize; - var end = Math.min(groupedChunk.endChunk * this.chunkSize, this.length); - this.sendRequest(begin, end); - } - }, - - getStream: function ChunkedStreamManager_getStream() { - return this.stream; - }, - - // Loads any chunks in the requested range that are not yet loaded - requestRange: function ChunkedStreamManager_requestRange( - begin, end, callback) { - - end = Math.min(end, this.length); - - var beginChunk = this.getBeginChunk(begin); - var endChunk = this.getEndChunk(end); - - var chunks = []; - for (var chunk = beginChunk; chunk < endChunk; ++chunk) { - chunks.push(chunk); - } - - this.requestChunks(chunks, callback); - }, - - requestRanges: function ChunkedStreamManager_requestRanges(ranges, - callback) { - ranges = ranges || []; - var chunksToRequest = []; - - for (var i = 0; i < ranges.length; i++) { - var beginChunk = this.getBeginChunk(ranges[i].begin); - var endChunk = this.getEndChunk(ranges[i].end); - for (var chunk = beginChunk; chunk < endChunk; ++chunk) { - if (chunksToRequest.indexOf(chunk) < 0) { - chunksToRequest.push(chunk); - } - } - } - - chunksToRequest.sort(function(a, b) { return a - b; }); - this.requestChunks(chunksToRequest, callback); - }, - - // Groups a sorted array of chunks into as few continguous larger - // chunks as possible - groupChunks: function ChunkedStreamManager_groupChunks(chunks) { - var groupedChunks = []; - var beginChunk = -1; - var prevChunk = -1; - for (var i = 0; i < chunks.length; ++i) { - var chunk = chunks[i]; - - if (beginChunk < 0) { - beginChunk = chunk; - } - - if (prevChunk >= 0 && prevChunk + 1 !== chunk) { - groupedChunks.push({ beginChunk: beginChunk, - endChunk: prevChunk + 1 }); - beginChunk = chunk; - } - if (i + 1 === chunks.length) { - groupedChunks.push({ beginChunk: beginChunk, - endChunk: chunk + 1 }); - } - - prevChunk = chunk; - } - return groupedChunks; - }, - - onProgress: function ChunkedStreamManager_onProgress(args) { - var bytesLoaded = (this.stream.numChunksLoaded * this.chunkSize + - args.loaded); - this.msgHandler.send('DocProgress', { - loaded: bytesLoaded, - total: this.length - }); - }, - - onReceiveData: function ChunkedStreamManager_onReceiveData(args) { - var chunk = args.chunk; - var isProgressive = args.begin === undefined; - var begin = isProgressive ? this.progressiveDataLength : args.begin; - var end = begin + chunk.byteLength; - - var beginChunk = Math.floor(begin / this.chunkSize); - var endChunk = end < this.length ? Math.floor(end / this.chunkSize) : - Math.ceil(end / this.chunkSize); - - if (isProgressive) { - this.stream.onReceiveProgressiveData(chunk); - this.progressiveDataLength = end; - } else { - this.stream.onReceiveData(begin, chunk); - } - - if (this.stream.allChunksLoaded()) { - this._loadedStreamCapability.resolve(this.stream); - } - - var loadedRequests = []; - var i, requestId; - for (chunk = beginChunk; chunk < endChunk; ++chunk) { - // The server might return more chunks than requested - var requestIds = this.requestsByChunk[chunk] || []; - delete this.requestsByChunk[chunk]; - - for (i = 0; i < requestIds.length; ++i) { - requestId = requestIds[i]; - var chunksNeeded = this.chunksNeededByRequest[requestId]; - if (chunk in chunksNeeded) { - delete chunksNeeded[chunk]; - } - - if (!isEmptyObj(chunksNeeded)) { - continue; - } - - loadedRequests.push(requestId); - } - } - - // If there are no pending requests, automatically fetch the next - // unfetched chunk of the PDF - if (!this.disableAutoFetch && isEmptyObj(this.requestsByChunk)) { - var nextEmptyChunk; - if (this.stream.numChunksLoaded === 1) { - // This is a special optimization so that after fetching the first - // chunk, rather than fetching the second chunk, we fetch the last - // chunk. - var lastChunk = this.stream.numChunks - 1; - if (!this.stream.hasChunk(lastChunk)) { - nextEmptyChunk = lastChunk; + // exchangeMps + if (a < qeIcx) { + d = 1 ^ cx_mps; + if (qeTableIcx.switchFlag === 1) { + cx_mps = d; } + cx_index = qeTableIcx.nlps; } else { - nextEmptyChunk = this.stream.nextEmptyChunk(endChunk); - } - if (isInt(nextEmptyChunk)) { - this.requestChunks([nextEmptyChunk]); + d = cx_mps; + cx_index = qeTableIcx.nmps; } } - - for (i = 0; i < loadedRequests.length; ++i) { - requestId = loadedRequests[i]; - var callback = this.callbacksByRequest[requestId]; - delete this.callbacksByRequest[requestId]; - if (callback) { - callback(); + // C.3.3 renormD; + do { + if (this.ct === 0) { + this.byteIn(); } - } - this.msgHandler.send('DocProgress', { - loaded: this.stream.numChunksLoaded * this.chunkSize, - total: this.length - }); - }, + a <<= 1; + this.chigh = ((this.chigh << 1) & 0xFFFF) | ((this.clow >> 15) & 1); + this.clow = (this.clow << 1) & 0xFFFF; + this.ct--; + } while ((a & 0x8000) === 0); + this.a = a; - onError: function ChunkedStreamManager_onError(err) { - this._loadedStreamCapability.reject(err); - }, - - getBeginChunk: function ChunkedStreamManager_getBeginChunk(begin) { - var chunk = Math.floor(begin / this.chunkSize); - return chunk; - }, - - getEndChunk: function ChunkedStreamManager_getEndChunk(end) { - if (end % this.chunkSize === 0) { - return end / this.chunkSize; - } - - // 0 -> 0 - // 1 -> 1 - // 99 -> 1 - // 100 -> 1 - // 101 -> 2 - var chunk = Math.floor((end - 1) / this.chunkSize) + 1; - return chunk; + contexts[pos] = cx_index << 1 | cx_mps; + return d; } }; - return ChunkedStreamManager; + return ArithmeticDecoder; })(); +exports.ArithmeticDecoder = ArithmeticDecoder; +})); -// The maximum number of bytes fetched per range request -var RANGE_CHUNK_SIZE = 65536; - -// TODO(mack): Make use of PDFJS.Util.inherit() when it becomes available -var BasePdfManager = (function BasePdfManagerClosure() { - function BasePdfManager() { - throw new Error('Cannot initialize BaseManagerManager'); +(function (root, factory) { + { + factory((root.pdfjsCoreCharsets = {})); } - - BasePdfManager.prototype = { - onLoadedStream: function BasePdfManager_onLoadedStream() { - throw new NotImplementedException(); - }, - - ensureDoc: function BasePdfManager_ensureDoc(prop, args) { - return this.ensure(this.pdfDocument, prop, args); - }, - - ensureXRef: function BasePdfManager_ensureXRef(prop, args) { - return this.ensure(this.pdfDocument.xref, prop, args); - }, - - ensureCatalog: function BasePdfManager_ensureCatalog(prop, args) { - return this.ensure(this.pdfDocument.catalog, prop, args); - }, - - getPage: function BasePdfManager_pagePage(pageIndex) { - return this.pdfDocument.getPage(pageIndex); - }, - - cleanup: function BasePdfManager_cleanup() { - return this.pdfDocument.cleanup(); - }, - - ensure: function BasePdfManager_ensure(obj, prop, args) { - return new NotImplementedException(); - }, - - requestRange: function BasePdfManager_ensure(begin, end) { - return new NotImplementedException(); - }, - - requestLoadedStream: function BasePdfManager_requestLoadedStream() { - return new NotImplementedException(); - }, - - sendProgressiveData: function BasePdfManager_sendProgressiveData(chunk) { - return new NotImplementedException(); - }, - - updatePassword: function BasePdfManager_updatePassword(password) { - this.pdfDocument.xref.password = this.password = password; - if (this._passwordChangedCapability) { - this._passwordChangedCapability.resolve(); - } - }, - - passwordChanged: function BasePdfManager_passwordChanged() { - this._passwordChangedCapability = createPromiseCapability(); - return this._passwordChangedCapability.promise; - }, - - terminate: function BasePdfManager_terminate() { - return new NotImplementedException(); - } - }; - - return BasePdfManager; -})(); - -var LocalPdfManager = (function LocalPdfManagerClosure() { - function LocalPdfManager(data, password) { - var stream = new Stream(data); - this.pdfDocument = new PDFDocument(this, stream, password); - this._loadedStreamCapability = createPromiseCapability(); - this._loadedStreamCapability.resolve(stream); - } - - LocalPdfManager.prototype = Object.create(BasePdfManager.prototype); - LocalPdfManager.prototype.constructor = LocalPdfManager; - - LocalPdfManager.prototype.ensure = - function LocalPdfManager_ensure(obj, prop, args) { - return new Promise(function (resolve, reject) { - try { - var value = obj[prop]; - var result; - if (typeof value === 'function') { - result = value.apply(obj, args); - } else { - result = value; - } - resolve(result); - } catch (e) { - reject(e); - } - }); - }; - - LocalPdfManager.prototype.requestRange = - function LocalPdfManager_requestRange(begin, end) { - return Promise.resolve(); - }; - - LocalPdfManager.prototype.requestLoadedStream = - function LocalPdfManager_requestLoadedStream() { - }; - - LocalPdfManager.prototype.onLoadedStream = - function LocalPdfManager_getLoadedStream() { - return this._loadedStreamCapability.promise; - }; - - LocalPdfManager.prototype.terminate = - function LocalPdfManager_terminate() { - return; - }; - - return LocalPdfManager; -})(); - -var NetworkPdfManager = (function NetworkPdfManagerClosure() { - function NetworkPdfManager(args, msgHandler) { - - this.msgHandler = msgHandler; - - var params = { - msgHandler: msgHandler, - httpHeaders: args.httpHeaders, - withCredentials: args.withCredentials, - chunkedViewerLoading: args.chunkedViewerLoading, - disableAutoFetch: args.disableAutoFetch, - initialData: args.initialData - }; - this.streamManager = new ChunkedStreamManager(args.length, RANGE_CHUNK_SIZE, - args.url, params); - - this.pdfDocument = new PDFDocument(this, this.streamManager.getStream(), - args.password); - } - - NetworkPdfManager.prototype = Object.create(BasePdfManager.prototype); - NetworkPdfManager.prototype.constructor = NetworkPdfManager; - - NetworkPdfManager.prototype.ensure = - function NetworkPdfManager_ensure(obj, prop, args) { - var pdfManager = this; - - return new Promise(function (resolve, reject) { - function ensureHelper() { - try { - var result; - var value = obj[prop]; - if (typeof value === 'function') { - result = value.apply(obj, args); - } else { - result = value; - } - resolve(result); - } catch(e) { - if (!(e instanceof MissingDataException)) { - reject(e); - return; - } - pdfManager.streamManager.requestRange(e.begin, e.end, ensureHelper); - } - } - - ensureHelper(); - }); - }; - - NetworkPdfManager.prototype.requestRange = - function NetworkPdfManager_requestRange(begin, end) { - return new Promise(function (resolve) { - this.streamManager.requestRange(begin, end, function() { - resolve(); - }); - }.bind(this)); - }; - - NetworkPdfManager.prototype.requestLoadedStream = - function NetworkPdfManager_requestLoadedStream() { - this.streamManager.requestAllChunks(); - }; - - NetworkPdfManager.prototype.sendProgressiveData = - function NetworkPdfManager_sendProgressiveData(chunk) { - this.streamManager.onReceiveData({ chunk: chunk }); - }; - - NetworkPdfManager.prototype.onLoadedStream = - function NetworkPdfManager_getLoadedStream() { - return this.streamManager.onLoadedStream(); - }; - - NetworkPdfManager.prototype.terminate = - function NetworkPdfManager_terminate() { - this.streamManager.networkManager.abortAllRequests(); - }; - - return NetworkPdfManager; -})(); - - - -var Page = (function PageClosure() { - - var LETTER_SIZE_MEDIABOX = [0, 0, 612, 792]; - - function Page(pdfManager, xref, pageIndex, pageDict, ref, fontCache) { - this.pdfManager = pdfManager; - this.pageIndex = pageIndex; - this.pageDict = pageDict; - this.xref = xref; - this.ref = ref; - this.fontCache = fontCache; - this.idCounters = { - obj: 0 - }; - this.resourcesPromise = null; - } - - Page.prototype = { - getPageProp: function Page_getPageProp(key) { - return this.pageDict.get(key); - }, - - getInheritedPageProp: function Page_inheritPageProp(key) { - var dict = this.pageDict; - var value = dict.get(key); - while (value === undefined) { - dict = dict.get('Parent'); - if (!dict) { - break; - } - value = dict.get(key); - } - return value; - }, - - get content() { - return this.getPageProp('Contents'); - }, - - get resources() { - var value = this.getInheritedPageProp('Resources'); - // For robustness: The spec states that a \Resources entry has to be - // present, but can be empty. Some document omit it still. In this case - // return an empty dictionary: - if (value === undefined) { - value = Dict.empty; - } - return shadow(this, 'resources', value); - }, - - get mediaBox() { - var obj = this.getInheritedPageProp('MediaBox'); - // Reset invalid media box to letter size. - if (!isArray(obj) || obj.length !== 4) { - obj = LETTER_SIZE_MEDIABOX; - } - return shadow(this, 'mediaBox', obj); - }, - - get view() { - var mediaBox = this.mediaBox; - var cropBox = this.getInheritedPageProp('CropBox'); - if (!isArray(cropBox) || cropBox.length !== 4) { - return shadow(this, 'view', mediaBox); - } - - // From the spec, 6th ed., p.963: - // "The crop, bleed, trim, and art boxes should not ordinarily - // extend beyond the boundaries of the media box. If they do, they are - // effectively reduced to their intersection with the media box." - cropBox = Util.intersect(cropBox, mediaBox); - if (!cropBox) { - return shadow(this, 'view', mediaBox); - } - return shadow(this, 'view', cropBox); - }, - - get annotationRefs() { - return shadow(this, 'annotationRefs', - this.getInheritedPageProp('Annots')); - }, - - get rotate() { - var rotate = this.getInheritedPageProp('Rotate') || 0; - // Normalize rotation so it's a multiple of 90 and between 0 and 270 - if (rotate % 90 !== 0) { - rotate = 0; - } else if (rotate >= 360) { - rotate = rotate % 360; - } else if (rotate < 0) { - // The spec doesn't cover negatives, assume its counterclockwise - // rotation. The following is the other implementation of modulo. - rotate = ((rotate % 360) + 360) % 360; - } - return shadow(this, 'rotate', rotate); - }, - - getContentStream: function Page_getContentStream() { - var content = this.content; - var stream; - if (isArray(content)) { - // fetching items - var xref = this.xref; - var i, n = content.length; - var streams = []; - for (i = 0; i < n; ++i) { - streams.push(xref.fetchIfRef(content[i])); - } - stream = new StreamsSequenceStream(streams); - } else if (isStream(content)) { - stream = content; - } else { - // replacing non-existent page content with empty one - stream = new NullStream(); - } - return stream; - }, - - loadResources: function Page_loadResources(keys) { - if (!this.resourcesPromise) { - // TODO: add async getInheritedPageProp and remove this. - this.resourcesPromise = this.pdfManager.ensure(this, 'resources'); - } - return this.resourcesPromise.then(function resourceSuccess() { - var objectLoader = new ObjectLoader(this.resources.map, - keys, - this.xref); - return objectLoader.load(); - }.bind(this)); - }, - - getOperatorList: function Page_getOperatorList(handler, intent) { - var self = this; - - var pdfManager = this.pdfManager; - var contentStreamPromise = pdfManager.ensure(this, 'getContentStream', - []); - var resourcesPromise = this.loadResources([ - 'ExtGState', - 'ColorSpace', - 'Pattern', - 'Shading', - 'XObject', - 'Font' - // ProcSet - // Properties - ]); - - var partialEvaluator = new PartialEvaluator(pdfManager, this.xref, - handler, this.pageIndex, - 'p' + this.pageIndex + '_', - this.idCounters, - this.fontCache); - - var dataPromises = Promise.all([contentStreamPromise, resourcesPromise]); - var pageListPromise = dataPromises.then(function(data) { - var contentStream = data[0]; - var opList = new OperatorList(intent, handler, self.pageIndex); - - handler.send('StartRenderPage', { - transparency: partialEvaluator.hasBlendModes(self.resources), - pageIndex: self.pageIndex, - intent: intent - }); - return partialEvaluator.getOperatorList(contentStream, self.resources, - opList).then(function () { - return opList; - }); - }); - - var annotationsPromise = pdfManager.ensure(this, 'annotations'); - return Promise.all([pageListPromise, annotationsPromise]).then( - function(datas) { - var pageOpList = datas[0]; - var annotations = datas[1]; - - if (annotations.length === 0) { - pageOpList.flush(true); - return pageOpList; - } - - var annotationsReadyPromise = Annotation.appendToOperatorList( - annotations, pageOpList, pdfManager, partialEvaluator, intent); - return annotationsReadyPromise.then(function () { - pageOpList.flush(true); - return pageOpList; - }); - }); - }, - - extractTextContent: function Page_extractTextContent() { - var handler = { - on: function nullHandlerOn() {}, - send: function nullHandlerSend() {} - }; - - var self = this; - - var pdfManager = this.pdfManager; - var contentStreamPromise = pdfManager.ensure(this, 'getContentStream', - []); - - var resourcesPromise = this.loadResources([ - 'ExtGState', - 'XObject', - 'Font' - ]); - - var dataPromises = Promise.all([contentStreamPromise, - resourcesPromise]); - return dataPromises.then(function(data) { - var contentStream = data[0]; - var partialEvaluator = new PartialEvaluator(pdfManager, self.xref, - handler, self.pageIndex, - 'p' + self.pageIndex + '_', - self.idCounters, - self.fontCache); - - return partialEvaluator.getTextContent(contentStream, - self.resources); - }); - }, - - getAnnotationsData: function Page_getAnnotationsData() { - var annotations = this.annotations; - var annotationsData = []; - for (var i = 0, n = annotations.length; i < n; ++i) { - annotationsData.push(annotations[i].getData()); - } - return annotationsData; - }, - - get annotations() { - var annotations = []; - var annotationRefs = (this.annotationRefs || []); - for (var i = 0, n = annotationRefs.length; i < n; ++i) { - var annotationRef = annotationRefs[i]; - var annotation = Annotation.fromRef(this.xref, annotationRef); - if (annotation) { - annotations.push(annotation); - } - } - return shadow(this, 'annotations', annotations); - } - }; - - return Page; -})(); - -/** - * The `PDFDocument` holds all the data of the PDF file. Compared to the - * `PDFDoc`, this one doesn't have any job management code. - * Right now there exists one PDFDocument on the main thread + one object - * for each worker. If there is no worker support enabled, there are two - * `PDFDocument` objects on the main thread created. - */ -var PDFDocument = (function PDFDocumentClosure() { - function PDFDocument(pdfManager, arg, password) { - if (isStream(arg)) { - init.call(this, pdfManager, arg, password); - } else if (isArrayBuffer(arg)) { - init.call(this, pdfManager, new Stream(arg), password); - } else { - error('PDFDocument: Unknown argument type'); - } - } - - function init(pdfManager, stream, password) { - assert(stream.length > 0, 'stream must have data'); - this.pdfManager = pdfManager; - this.stream = stream; - var xref = new XRef(this.stream, password, pdfManager); - this.xref = xref; - } - - function find(stream, needle, limit, backwards) { - var pos = stream.pos; - var end = stream.end; - var strBuf = []; - if (pos + limit > end) { - limit = end - pos; - } - for (var n = 0; n < limit; ++n) { - strBuf.push(String.fromCharCode(stream.getByte())); - } - var str = strBuf.join(''); - stream.pos = pos; - var index = backwards ? str.lastIndexOf(needle) : str.indexOf(needle); - if (index === -1) { - return false; /* not found */ - } - stream.pos += index; - return true; /* found */ - } - - var DocumentInfoValidators = { - get entries() { - // Lazily build this since all the validation functions below are not - // defined until after this file loads. - return shadow(this, 'entries', { - Title: isString, - Author: isString, - Subject: isString, - Keywords: isString, - Creator: isString, - Producer: isString, - CreationDate: isString, - ModDate: isString, - Trapped: isName - }); - } - }; - - PDFDocument.prototype = { - parse: function PDFDocument_parse(recoveryMode) { - this.setup(recoveryMode); - try { - // checking if AcroForm is present - this.acroForm = this.catalog.catDict.get('AcroForm'); - if (this.acroForm) { - this.xfa = this.acroForm.get('XFA'); - var fields = this.acroForm.get('Fields'); - if ((!fields || !isArray(fields) || fields.length === 0) && - !this.xfa) { - // no fields and no XFA -- not a form (?) - this.acroForm = null; - } - } - } catch (ex) { - info('Something wrong with AcroForm entry'); - this.acroForm = null; - } - }, - - get linearization() { - var linearization = null; - if (this.stream.length) { - try { - linearization = Linearization.create(this.stream); - } catch (err) { - if (err instanceof MissingDataException) { - throw err; - } - info(err); - } - } - // shadow the prototype getter with a data property - return shadow(this, 'linearization', linearization); - }, - get startXRef() { - var stream = this.stream; - var startXRef = 0; - var linearization = this.linearization; - if (linearization) { - // Find end of first obj. - stream.reset(); - if (find(stream, 'endobj', 1024)) { - startXRef = stream.pos + 6; - } - } else { - // Find startxref by jumping backward from the end of the file. - var step = 1024; - var found = false, pos = stream.end; - while (!found && pos > 0) { - pos -= step - 'startxref'.length; - if (pos < 0) { - pos = 0; - } - stream.pos = pos; - found = find(stream, 'startxref', step, true); - } - if (found) { - stream.skip(9); - var ch; - do { - ch = stream.getByte(); - } while (Lexer.isSpace(ch)); - var str = ''; - while (ch >= 0x20 && ch <= 0x39) { // < '9' - str += String.fromCharCode(ch); - ch = stream.getByte(); - } - startXRef = parseInt(str, 10); - if (isNaN(startXRef)) { - startXRef = 0; - } - } - } - // shadow the prototype getter with a data property - return shadow(this, 'startXRef', startXRef); - }, - get mainXRefEntriesOffset() { - var mainXRefEntriesOffset = 0; - var linearization = this.linearization; - if (linearization) { - mainXRefEntriesOffset = linearization.mainXRefEntriesOffset; - } - // shadow the prototype getter with a data property - return shadow(this, 'mainXRefEntriesOffset', mainXRefEntriesOffset); - }, - // Find the header, remove leading garbage and setup the stream - // starting from the header. - checkHeader: function PDFDocument_checkHeader() { - var stream = this.stream; - stream.reset(); - if (find(stream, '%PDF-', 1024)) { - // Found the header, trim off any garbage before it. - stream.moveStart(); - // Reading file format version - var MAX_VERSION_LENGTH = 12; - var version = '', ch; - while ((ch = stream.getByte()) > 0x20) { // SPACE - if (version.length >= MAX_VERSION_LENGTH) { - break; - } - version += String.fromCharCode(ch); - } - // removing "%PDF-"-prefix - this.pdfFormatVersion = version.substring(5); - return; - } - // May not be a PDF file, continue anyway. - }, - parseStartXRef: function PDFDocument_parseStartXRef() { - var startXRef = this.startXRef; - this.xref.setStartXRef(startXRef); - }, - setup: function PDFDocument_setup(recoveryMode) { - this.xref.parse(recoveryMode); - this.catalog = new Catalog(this.pdfManager, this.xref); - }, - get numPages() { - var linearization = this.linearization; - var num = linearization ? linearization.numPages : this.catalog.numPages; - // shadow the prototype getter - return shadow(this, 'numPages', num); - }, - get documentInfo() { - var docInfo = { - PDFFormatVersion: this.pdfFormatVersion, - IsAcroFormPresent: !!this.acroForm, - IsXFAPresent: !!this.xfa - }; - var infoDict; - try { - infoDict = this.xref.trailer.get('Info'); - } catch (err) { - info('The document information dictionary is invalid.'); - } - if (infoDict) { - var validEntries = DocumentInfoValidators.entries; - // Only fill the document info with valid entries from the spec. - for (var key in validEntries) { - if (infoDict.has(key)) { - var value = infoDict.get(key); - // Make sure the value conforms to the spec. - if (validEntries[key](value)) { - docInfo[key] = (typeof value !== 'string' ? - value : stringToPDFString(value)); - } else { - info('Bad value in document info for "' + key + '"'); - } - } - } - } - return shadow(this, 'documentInfo', docInfo); - }, - get fingerprint() { - var xref = this.xref, hash, fileID = ''; - - if (xref.trailer.has('ID')) { - hash = stringToBytes(xref.trailer.get('ID')[0]); - } else { - hash = calculateMD5(this.stream.bytes.subarray(0, 100), 0, 100); - } - - for (var i = 0, n = hash.length; i < n; i++) { - fileID += hash[i].toString(16); - } - - return shadow(this, 'fingerprint', fileID); - }, - - getPage: function PDFDocument_getPage(pageIndex) { - return this.catalog.getPage(pageIndex); - }, - - cleanup: function PDFDocument_cleanup() { - return this.catalog.cleanup(); - } - }; - - return PDFDocument; -})(); - - - -var Name = (function NameClosure() { - function Name(name) { - this.name = name; - } - - Name.prototype = {}; - - var nameCache = {}; - - Name.get = function Name_get(name) { - var nameValue = nameCache[name]; - return (nameValue ? nameValue : (nameCache[name] = new Name(name))); - }; - - return Name; -})(); - -var Cmd = (function CmdClosure() { - function Cmd(cmd) { - this.cmd = cmd; - } - - Cmd.prototype = {}; - - var cmdCache = {}; - - Cmd.get = function Cmd_get(cmd) { - var cmdValue = cmdCache[cmd]; - return (cmdValue ? cmdValue : (cmdCache[cmd] = new Cmd(cmd))); - }; - - return Cmd; -})(); - -var Dict = (function DictClosure() { - var nonSerializable = function nonSerializableClosure() { - return nonSerializable; // creating closure on some variable - }; - - var GETALL_DICTIONARY_TYPES_WHITELIST = { - 'Background': true, - 'ExtGState': true, - 'Halftone': true, - 'Layout': true, - 'Mask': true, - 'Pagination': true, - 'Printing': true - }; - - function isRecursionAllowedFor(dict) { - if (!isName(dict.Type)) { - return true; - } - var dictType = dict.Type.name; - return GETALL_DICTIONARY_TYPES_WHITELIST[dictType] === true; - } - - // xref is optional - function Dict(xref) { - // Map should only be used internally, use functions below to access. - this.map = Object.create(null); - this.xref = xref; - this.objId = null; - this.__nonSerializable__ = nonSerializable; // disable cloning of the Dict - } - - Dict.prototype = { - assignXref: function Dict_assignXref(newXref) { - this.xref = newXref; - }, - - // automatically dereferences Ref objects - get: function Dict_get(key1, key2, key3) { - var value; - var xref = this.xref; - if (typeof (value = this.map[key1]) !== 'undefined' || key1 in this.map || - typeof key2 === 'undefined') { - return xref ? xref.fetchIfRef(value) : value; - } - if (typeof (value = this.map[key2]) !== 'undefined' || key2 in this.map || - typeof key3 === 'undefined') { - return xref ? xref.fetchIfRef(value) : value; - } - value = this.map[key3] || null; - return xref ? xref.fetchIfRef(value) : value; - }, - - // Same as get(), but returns a promise and uses fetchIfRefAsync(). - getAsync: function Dict_getAsync(key1, key2, key3) { - var value; - var xref = this.xref; - if (typeof (value = this.map[key1]) !== 'undefined' || key1 in this.map || - typeof key2 === 'undefined') { - if (xref) { - return xref.fetchIfRefAsync(value); - } - return Promise.resolve(value); - } - if (typeof (value = this.map[key2]) !== 'undefined' || key2 in this.map || - typeof key3 === 'undefined') { - if (xref) { - return xref.fetchIfRefAsync(value); - } - return Promise.resolve(value); - } - value = this.map[key3] || null; - if (xref) { - return xref.fetchIfRefAsync(value); - } - return Promise.resolve(value); - }, - - // no dereferencing - getRaw: function Dict_getRaw(key) { - return this.map[key]; - }, - - // creates new map and dereferences all Refs - getAll: function Dict_getAll() { - var all = Object.create(null); - var queue = null; - var key, obj; - for (key in this.map) { - obj = this.get(key); - if (obj instanceof Dict) { - if (isRecursionAllowedFor(obj)) { - (queue || (queue = [])).push({target: all, key: key, obj: obj}); - } else { - all[key] = this.getRaw(key); - } - } else { - all[key] = obj; - } - } - if (!queue) { - return all; - } - - // trying to take cyclic references into the account - var processed = Object.create(null); - while (queue.length > 0) { - var item = queue.shift(); - var itemObj = item.obj; - var objId = itemObj.objId; - if (objId && objId in processed) { - item.target[item.key] = processed[objId]; - continue; - } - var dereferenced = Object.create(null); - for (key in itemObj.map) { - obj = itemObj.get(key); - if (obj instanceof Dict) { - if (isRecursionAllowedFor(obj)) { - queue.push({target: dereferenced, key: key, obj: obj}); - } else { - dereferenced[key] = itemObj.getRaw(key); - } - } else { - dereferenced[key] = obj; - } - } - if (objId) { - processed[objId] = dereferenced; - } - item.target[item.key] = dereferenced; - } - return all; - }, - - set: function Dict_set(key, value) { - this.map[key] = value; - }, - - has: function Dict_has(key) { - return key in this.map; - }, - - forEach: function Dict_forEach(callback) { - for (var key in this.map) { - callback(key, this.get(key)); - } - } - }; - - Dict.empty = new Dict(null); - - return Dict; -})(); - -var Ref = (function RefClosure() { - function Ref(num, gen) { - this.num = num; - this.gen = gen; - } - - Ref.prototype = { - toString: function Ref_toString() { - // This function is hot, so we make the string as compact as possible. - // |this.gen| is almost always zero, so we treat that case specially. - var str = this.num + 'R'; - if (this.gen !== 0) { - str += this.gen; - } - return str; - } - }; - - return Ref; -})(); - -// The reference is identified by number and generation. -// This structure stores only one instance of the reference. -var RefSet = (function RefSetClosure() { - function RefSet() { - this.dict = {}; - } - - RefSet.prototype = { - has: function RefSet_has(ref) { - return ref.toString() in this.dict; - }, - - put: function RefSet_put(ref) { - this.dict[ref.toString()] = true; - }, - - remove: function RefSet_remove(ref) { - delete this.dict[ref.toString()]; - } - }; - - return RefSet; -})(); - -var RefSetCache = (function RefSetCacheClosure() { - function RefSetCache() { - this.dict = Object.create(null); - } - - RefSetCache.prototype = { - get: function RefSetCache_get(ref) { - return this.dict[ref.toString()]; - }, - - has: function RefSetCache_has(ref) { - return ref.toString() in this.dict; - }, - - put: function RefSetCache_put(ref, obj) { - this.dict[ref.toString()] = obj; - }, - - putAlias: function RefSetCache_putAlias(ref, aliasRef) { - this.dict[ref.toString()] = this.get(aliasRef); - }, - - forEach: function RefSetCache_forEach(fn, thisArg) { - for (var i in this.dict) { - fn.call(thisArg, this.dict[i]); - } - }, - - clear: function RefSetCache_clear() { - this.dict = Object.create(null); - } - }; - - return RefSetCache; -})(); - -var Catalog = (function CatalogClosure() { - function Catalog(pdfManager, xref) { - this.pdfManager = pdfManager; - this.xref = xref; - this.catDict = xref.getCatalogObj(); - this.fontCache = new RefSetCache(); - assert(isDict(this.catDict), - 'catalog object is not a dictionary'); - - this.pagePromises = []; - } - - Catalog.prototype = { - get metadata() { - var streamRef = this.catDict.getRaw('Metadata'); - if (!isRef(streamRef)) { - return shadow(this, 'metadata', null); - } - - var encryptMetadata = (!this.xref.encrypt ? false : - this.xref.encrypt.encryptMetadata); - - var stream = this.xref.fetch(streamRef, !encryptMetadata); - var metadata; - if (stream && isDict(stream.dict)) { - var type = stream.dict.get('Type'); - var subtype = stream.dict.get('Subtype'); - - if (isName(type) && isName(subtype) && - type.name === 'Metadata' && subtype.name === 'XML') { - // XXX: This should examine the charset the XML document defines, - // however since there are currently no real means to decode - // arbitrary charsets, let's just hope that the author of the PDF - // was reasonable enough to stick with the XML default charset, - // which is UTF-8. - try { - metadata = stringToUTF8String(bytesToString(stream.getBytes())); - } catch (e) { - info('Skipping invalid metadata.'); - } - } - } - - return shadow(this, 'metadata', metadata); - }, - get toplevelPagesDict() { - var pagesObj = this.catDict.get('Pages'); - assert(isDict(pagesObj), 'invalid top-level pages dictionary'); - // shadow the prototype getter - return shadow(this, 'toplevelPagesDict', pagesObj); - }, - get documentOutline() { - var obj = null; - try { - obj = this.readDocumentOutline(); - } catch (ex) { - if (ex instanceof MissingDataException) { - throw ex; - } - warn('Unable to read document outline'); - } - return shadow(this, 'documentOutline', obj); - }, - readDocumentOutline: function Catalog_readDocumentOutline() { - var xref = this.xref; - var obj = this.catDict.get('Outlines'); - var root = { items: [] }; - if (isDict(obj)) { - obj = obj.getRaw('First'); - var processed = new RefSet(); - if (isRef(obj)) { - var queue = [{obj: obj, parent: root}]; - // to avoid recursion keeping track of the items - // in the processed dictionary - processed.put(obj); - while (queue.length > 0) { - var i = queue.shift(); - var outlineDict = xref.fetchIfRef(i.obj); - if (outlineDict === null) { - continue; - } - if (!outlineDict.has('Title')) { - error('Invalid outline item'); - } - var dest = outlineDict.get('A'); - if (dest) { - dest = dest.get('D'); - } else if (outlineDict.has('Dest')) { - dest = outlineDict.getRaw('Dest'); - if (isName(dest)) { - dest = dest.name; - } - } - var title = outlineDict.get('Title'); - var outlineItem = { - dest: dest, - title: stringToPDFString(title), - color: outlineDict.get('C') || [0, 0, 0], - count: outlineDict.get('Count'), - bold: !!(outlineDict.get('F') & 2), - italic: !!(outlineDict.get('F') & 1), - items: [] - }; - i.parent.items.push(outlineItem); - obj = outlineDict.getRaw('First'); - if (isRef(obj) && !processed.has(obj)) { - queue.push({obj: obj, parent: outlineItem}); - processed.put(obj); - } - obj = outlineDict.getRaw('Next'); - if (isRef(obj) && !processed.has(obj)) { - queue.push({obj: obj, parent: i.parent}); - processed.put(obj); - } - } - } - } - return (root.items.length > 0 ? root.items : null); - }, - get numPages() { - var obj = this.toplevelPagesDict.get('Count'); - assert( - isInt(obj), - 'page count in top level pages object is not an integer' - ); - // shadow the prototype getter - return shadow(this, 'num', obj); - }, - get destinations() { - function fetchDestination(dest) { - return isDict(dest) ? dest.get('D') : dest; - } - - var xref = this.xref; - var dests = {}, nameTreeRef, nameDictionaryRef; - var obj = this.catDict.get('Names'); - if (obj && obj.has('Dests')) { - nameTreeRef = obj.getRaw('Dests'); - } else if (this.catDict.has('Dests')) { - nameDictionaryRef = this.catDict.get('Dests'); - } - - if (nameDictionaryRef) { - // reading simple destination dictionary - obj = nameDictionaryRef; - obj.forEach(function catalogForEach(key, value) { - if (!value) { - return; - } - dests[key] = fetchDestination(value); - }); - } - if (nameTreeRef) { - var nameTree = new NameTree(nameTreeRef, xref); - var names = nameTree.getAll(); - for (var name in names) { - if (!names.hasOwnProperty(name)) { - continue; - } - dests[name] = fetchDestination(names[name]); - } - } - return shadow(this, 'destinations', dests); - }, - getDestination: function Catalog_getDestination(destinationId) { - function fetchDestination(dest) { - return isDict(dest) ? dest.get('D') : dest; - } - - var xref = this.xref; - var dest, nameTreeRef, nameDictionaryRef; - var obj = this.catDict.get('Names'); - if (obj && obj.has('Dests')) { - nameTreeRef = obj.getRaw('Dests'); - } else if (this.catDict.has('Dests')) { - nameDictionaryRef = this.catDict.get('Dests'); - } - - if (nameDictionaryRef) { - // reading simple destination dictionary - obj = nameDictionaryRef; - obj.forEach(function catalogForEach(key, value) { - if (!value) { - return; - } - if (key === destinationId) { - dest = fetchDestination(value); - } - }); - } - if (nameTreeRef) { - var nameTree = new NameTree(nameTreeRef, xref); - dest = fetchDestination(nameTree.get(destinationId)); - } - return dest; - }, - get attachments() { - var xref = this.xref; - var attachments = null, nameTreeRef; - var obj = this.catDict.get('Names'); - if (obj) { - nameTreeRef = obj.getRaw('EmbeddedFiles'); - } - - if (nameTreeRef) { - var nameTree = new NameTree(nameTreeRef, xref); - var names = nameTree.getAll(); - for (var name in names) { - if (!names.hasOwnProperty(name)) { - continue; - } - var fs = new FileSpec(names[name], xref); - if (!attachments) { - attachments = {}; - } - attachments[stringToPDFString(name)] = fs.serializable; - } - } - return shadow(this, 'attachments', attachments); - }, - get javaScript() { - var xref = this.xref; - var obj = this.catDict.get('Names'); - - var javaScript = []; - if (obj && obj.has('JavaScript')) { - var nameTree = new NameTree(obj.getRaw('JavaScript'), xref); - var names = nameTree.getAll(); - for (var name in names) { - if (!names.hasOwnProperty(name)) { - continue; - } - // We don't really use the JavaScript right now. This code is - // defensive so we don't cause errors on document load. - var jsDict = names[name]; - if (!isDict(jsDict)) { - continue; - } - var type = jsDict.get('S'); - if (!isName(type) || type.name !== 'JavaScript') { - continue; - } - var js = jsDict.get('JS'); - if (!isString(js) && !isStream(js)) { - continue; - } - if (isStream(js)) { - js = bytesToString(js.getBytes()); - } - javaScript.push(stringToPDFString(js)); - } - } - - // Append OpenAction actions to javaScript array - var openactionDict = this.catDict.get('OpenAction'); - if (isDict(openactionDict)) { - var objType = openactionDict.get('Type'); - var actionType = openactionDict.get('S'); - var action = openactionDict.get('N'); - var isPrintAction = (isName(objType) && objType.name === 'Action' && - isName(actionType) && actionType.name === 'Named' && - isName(action) && action.name === 'Print'); - - if (isPrintAction) { - javaScript.push('print(true);'); - } - } - - return shadow(this, 'javaScript', javaScript); - }, - - cleanup: function Catalog_cleanup() { - var promises = []; - this.fontCache.forEach(function (promise) { - promises.push(promise); - }); - return Promise.all(promises).then(function (translatedFonts) { - for (var i = 0, ii = translatedFonts.length; i < ii; i++) { - var font = translatedFonts[i].dict; - delete font.translated; - } - this.fontCache.clear(); - }.bind(this)); - }, - - getPage: function Catalog_getPage(pageIndex) { - if (!(pageIndex in this.pagePromises)) { - this.pagePromises[pageIndex] = this.getPageDict(pageIndex).then( - function (a) { - var dict = a[0]; - var ref = a[1]; - return new Page(this.pdfManager, this.xref, pageIndex, dict, ref, - this.fontCache); - }.bind(this) - ); - } - return this.pagePromises[pageIndex]; - }, - - getPageDict: function Catalog_getPageDict(pageIndex) { - var capability = createPromiseCapability(); - var nodesToVisit = [this.catDict.getRaw('Pages')]; - var currentPageIndex = 0; - var xref = this.xref; - - function next() { - while (nodesToVisit.length) { - var currentNode = nodesToVisit.pop(); - - if (isRef(currentNode)) { - xref.fetchAsync(currentNode).then(function (obj) { - if ((isDict(obj, 'Page') || (isDict(obj) && !obj.has('Kids')))) { - if (pageIndex === currentPageIndex) { - capability.resolve([obj, currentNode]); - } else { - currentPageIndex++; - next(); - } - return; - } - nodesToVisit.push(obj); - next(); - }, capability.reject); - return; - } - - // must be a child page dictionary - assert( - isDict(currentNode), - 'page dictionary kid reference points to wrong type of object' - ); - var count = currentNode.get('Count'); - // Skip nodes where the page can't be. - if (currentPageIndex + count <= pageIndex) { - currentPageIndex += count; - continue; - } - - var kids = currentNode.get('Kids'); - assert(isArray(kids), 'page dictionary kids object is not an array'); - if (count === kids.length) { - // Nodes that don't have the page have been skipped and this is the - // bottom of the tree which means the page requested must be a - // descendant of this pages node. Ideally we would just resolve the - // promise with the page ref here, but there is the case where more - // pages nodes could link to single a page (see issue 3666 pdf). To - // handle this push it back on the queue so if it is a pages node it - // will be descended into. - nodesToVisit = [kids[pageIndex - currentPageIndex]]; - currentPageIndex = pageIndex; - continue; - } else { - for (var last = kids.length - 1; last >= 0; last--) { - nodesToVisit.push(kids[last]); - } - } - } - capability.reject('Page index ' + pageIndex + ' not found.'); - } - next(); - return capability.promise; - }, - - getPageIndex: function Catalog_getPageIndex(ref) { - // The page tree nodes have the count of all the leaves below them. To get - // how many pages are before we just have to walk up the tree and keep - // adding the count of siblings to the left of the node. - var xref = this.xref; - function pagesBeforeRef(kidRef) { - var total = 0; - var parentRef; - return xref.fetchAsync(kidRef).then(function (node) { - if (!node) { - return null; - } - parentRef = node.getRaw('Parent'); - return node.getAsync('Parent'); - }).then(function (parent) { - if (!parent) { - return null; - } - return parent.getAsync('Kids'); - }).then(function (kids) { - if (!kids) { - return null; - } - var kidPromises = []; - var found = false; - for (var i = 0; i < kids.length; i++) { - var kid = kids[i]; - assert(isRef(kid), 'kids must be a ref'); - if (kid.num === kidRef.num) { - found = true; - break; - } - kidPromises.push(xref.fetchAsync(kid).then(function (kid) { - if (kid.has('Count')) { - var count = kid.get('Count'); - total += count; - } else { // page leaf node - total++; - } - })); - } - if (!found) { - error('kid ref not found in parents kids'); - } - return Promise.all(kidPromises).then(function () { - return [total, parentRef]; - }); - }); - } - - var total = 0; - function next(ref) { - return pagesBeforeRef(ref).then(function (args) { - if (!args) { - return total; - } - var count = args[0]; - var parentRef = args[1]; - total += count; - return next(parentRef); - }); - } - - return next(ref); - } - }; - - return Catalog; -})(); - -var XRef = (function XRefClosure() { - function XRef(stream, password) { - this.stream = stream; - this.entries = []; - this.xrefstms = {}; - // prepare the XRef cache - this.cache = []; - this.password = password; - this.stats = { - streamTypes: [], - fontTypes: [] - }; - } - - XRef.prototype = { - setStartXRef: function XRef_setStartXRef(startXRef) { - // Store the starting positions of xref tables as we process them - // so we can recover from missing data errors - this.startXRefQueue = [startXRef]; - }, - - parse: function XRef_parse(recoveryMode) { - var trailerDict; - if (!recoveryMode) { - trailerDict = this.readXRef(); - } else { - warn('Indexing all PDF objects'); - trailerDict = this.indexObjects(); - } - trailerDict.assignXref(this); - this.trailer = trailerDict; - var encrypt = trailerDict.get('Encrypt'); - if (encrypt) { - var ids = trailerDict.get('ID'); - var fileId = (ids && ids.length) ? ids[0] : ''; - this.encrypt = new CipherTransformFactory(encrypt, fileId, - this.password); - } - - // get the root dictionary (catalog) object - if (!(this.root = trailerDict.get('Root'))) { - error('Invalid root reference'); - } - }, - - processXRefTable: function XRef_processXRefTable(parser) { - if (!('tableState' in this)) { - // Stores state of the table as we process it so we can resume - // from middle of table in case of missing data error - this.tableState = { - entryNum: 0, - streamPos: parser.lexer.stream.pos, - parserBuf1: parser.buf1, - parserBuf2: parser.buf2 - }; - } - - var obj = this.readXRefTable(parser); - - // Sanity check - if (!isCmd(obj, 'trailer')) { - error('Invalid XRef table: could not find trailer dictionary'); - } - // Read trailer dictionary, e.g. - // trailer - // << /Size 22 - // /Root 20R - // /Info 10R - // /ID [ <81b14aafa313db63dbd6f981e49f94f4> ] - // >> - // The parser goes through the entire stream << ... >> and provides - // a getter interface for the key-value table - var dict = parser.getObj(); - - // The pdflib PDF generator can generate a nested trailer dictionary - if (!isDict(dict) && dict.dict) { - dict = dict.dict; - } - if (!isDict(dict)) { - error('Invalid XRef table: could not parse trailer dictionary'); - } - delete this.tableState; - - return dict; - }, - - readXRefTable: function XRef_readXRefTable(parser) { - // Example of cross-reference table: - // xref - // 0 1 <-- subsection header (first obj #, obj count) - // 0000000000 65535 f <-- actual object (offset, generation #, f/n) - // 23 2 <-- subsection header ... and so on ... - // 0000025518 00002 n - // 0000025635 00000 n - // trailer - // ... - - var stream = parser.lexer.stream; - var tableState = this.tableState; - stream.pos = tableState.streamPos; - parser.buf1 = tableState.parserBuf1; - parser.buf2 = tableState.parserBuf2; - - // Outer loop is over subsection headers - var obj; - - while (true) { - if (!('firstEntryNum' in tableState) || !('entryCount' in tableState)) { - if (isCmd(obj = parser.getObj(), 'trailer')) { - break; - } - tableState.firstEntryNum = obj; - tableState.entryCount = parser.getObj(); - } - - var first = tableState.firstEntryNum; - var count = tableState.entryCount; - if (!isInt(first) || !isInt(count)) { - error('Invalid XRef table: wrong types in subsection header'); - } - // Inner loop is over objects themselves - for (var i = tableState.entryNum; i < count; i++) { - tableState.streamPos = stream.pos; - tableState.entryNum = i; - tableState.parserBuf1 = parser.buf1; - tableState.parserBuf2 = parser.buf2; - - var entry = {}; - entry.offset = parser.getObj(); - entry.gen = parser.getObj(); - var type = parser.getObj(); - - if (isCmd(type, 'f')) { - entry.free = true; - } else if (isCmd(type, 'n')) { - entry.uncompressed = true; - } - - // Validate entry obj - if (!isInt(entry.offset) || !isInt(entry.gen) || - !(entry.free || entry.uncompressed)) { - error('Invalid entry in XRef subsection: ' + first + ', ' + count); - } - - if (!this.entries[i + first]) { - this.entries[i + first] = entry; - } - } - - tableState.entryNum = 0; - tableState.streamPos = stream.pos; - tableState.parserBuf1 = parser.buf1; - tableState.parserBuf2 = parser.buf2; - delete tableState.firstEntryNum; - delete tableState.entryCount; - } - - // Per issue 3248: hp scanners generate bad XRef - if (first === 1 && this.entries[1] && this.entries[1].free) { - // shifting the entries - this.entries.shift(); - } - - // Sanity check: as per spec, first object must be free - if (this.entries[0] && !this.entries[0].free) { - error('Invalid XRef table: unexpected first object'); - } - return obj; - }, - - processXRefStream: function XRef_processXRefStream(stream) { - if (!('streamState' in this)) { - // Stores state of the stream as we process it so we can resume - // from middle of stream in case of missing data error - var streamParameters = stream.dict; - var byteWidths = streamParameters.get('W'); - var range = streamParameters.get('Index'); - if (!range) { - range = [0, streamParameters.get('Size')]; - } - - this.streamState = { - entryRanges: range, - byteWidths: byteWidths, - entryNum: 0, - streamPos: stream.pos - }; - } - this.readXRefStream(stream); - delete this.streamState; - - return stream.dict; - }, - - readXRefStream: function XRef_readXRefStream(stream) { - var i, j; - var streamState = this.streamState; - stream.pos = streamState.streamPos; - - var byteWidths = streamState.byteWidths; - var typeFieldWidth = byteWidths[0]; - var offsetFieldWidth = byteWidths[1]; - var generationFieldWidth = byteWidths[2]; - - var entryRanges = streamState.entryRanges; - while (entryRanges.length > 0) { - var first = entryRanges[0]; - var n = entryRanges[1]; - - if (!isInt(first) || !isInt(n)) { - error('Invalid XRef range fields: ' + first + ', ' + n); - } - if (!isInt(typeFieldWidth) || !isInt(offsetFieldWidth) || - !isInt(generationFieldWidth)) { - error('Invalid XRef entry fields length: ' + first + ', ' + n); - } - for (i = streamState.entryNum; i < n; ++i) { - streamState.entryNum = i; - streamState.streamPos = stream.pos; - - var type = 0, offset = 0, generation = 0; - for (j = 0; j < typeFieldWidth; ++j) { - type = (type << 8) | stream.getByte(); - } - // if type field is absent, its default value is 1 - if (typeFieldWidth === 0) { - type = 1; - } - for (j = 0; j < offsetFieldWidth; ++j) { - offset = (offset << 8) | stream.getByte(); - } - for (j = 0; j < generationFieldWidth; ++j) { - generation = (generation << 8) | stream.getByte(); - } - var entry = {}; - entry.offset = offset; - entry.gen = generation; - switch (type) { - case 0: - entry.free = true; - break; - case 1: - entry.uncompressed = true; - break; - case 2: - break; - default: - error('Invalid XRef entry type: ' + type); - } - if (!this.entries[first + i]) { - this.entries[first + i] = entry; - } - } - - streamState.entryNum = 0; - streamState.streamPos = stream.pos; - entryRanges.splice(0, 2); - } - }, - - indexObjects: function XRef_indexObjects() { - // Simple scan through the PDF content to find objects, - // trailers and XRef streams. - function readToken(data, offset) { - var token = '', ch = data[offset]; - while (ch !== 13 && ch !== 10) { - if (++offset >= data.length) { - break; - } - token += String.fromCharCode(ch); - ch = data[offset]; - } - return token; - } - function skipUntil(data, offset, what) { - var length = what.length, dataLength = data.length; - var skipped = 0; - // finding byte sequence - while (offset < dataLength) { - var i = 0; - while (i < length && data[offset + i] === what[i]) { - ++i; - } - if (i >= length) { - break; // sequence found - } - offset++; - skipped++; - } - return skipped; - } - var trailerBytes = new Uint8Array([116, 114, 97, 105, 108, 101, 114]); - var startxrefBytes = new Uint8Array([115, 116, 97, 114, 116, 120, 114, - 101, 102]); - var endobjBytes = new Uint8Array([101, 110, 100, 111, 98, 106]); - var xrefBytes = new Uint8Array([47, 88, 82, 101, 102]); - - var stream = this.stream; - stream.pos = 0; - var buffer = stream.getBytes(); - var position = stream.start, length = buffer.length; - var trailers = [], xrefStms = []; - while (position < length) { - var ch = buffer[position]; - if (ch === 32 || ch === 9 || ch === 13 || ch === 10) { - ++position; - continue; - } - if (ch === 37) { // %-comment - do { - ++position; - if (position >= length) { - break; - } - ch = buffer[position]; - } while (ch !== 13 && ch !== 10); - continue; - } - var token = readToken(buffer, position); - var m; - if (token === 'xref') { - position += skipUntil(buffer, position, trailerBytes); - trailers.push(position); - position += skipUntil(buffer, position, startxrefBytes); - } else if ((m = /^(\d+)\s+(\d+)\s+obj\b/.exec(token))) { - this.entries[m[1]] = { - offset: position, - gen: m[2] | 0, - uncompressed: true - }; - - var contentLength = skipUntil(buffer, position, endobjBytes) + 7; - var content = buffer.subarray(position, position + contentLength); - - // checking XRef stream suspect - // (it shall have '/XRef' and next char is not a letter) - var xrefTagOffset = skipUntil(content, 0, xrefBytes); - if (xrefTagOffset < contentLength && - content[xrefTagOffset + 5] < 64) { - xrefStms.push(position); - this.xrefstms[position] = 1; // don't read it recursively - } - - position += contentLength; - } else { - position += token.length + 1; - } - } - // reading XRef streams - var i, ii; - for (i = 0, ii = xrefStms.length; i < ii; ++i) { - this.startXRefQueue.push(xrefStms[i]); - this.readXRef(/* recoveryMode */ true); - } - // finding main trailer - var dict; - for (i = 0, ii = trailers.length; i < ii; ++i) { - stream.pos = trailers[i]; - var parser = new Parser(new Lexer(stream), true, this); - var obj = parser.getObj(); - if (!isCmd(obj, 'trailer')) { - continue; - } - // read the trailer dictionary - if (!isDict(dict = parser.getObj())) { - continue; - } - // taking the first one with 'ID' - if (dict.has('ID')) { - return dict; - } - } - // no tailer with 'ID', taking last one (if exists) - if (dict) { - return dict; - } - // nothing helps - // calling error() would reject worker with an UnknownErrorException. - throw new InvalidPDFException('Invalid PDF structure'); - }, - - readXRef: function XRef_readXRef(recoveryMode) { - var stream = this.stream; - - try { - while (this.startXRefQueue.length) { - var startXRef = this.startXRefQueue[0]; - - stream.pos = startXRef + stream.start; - - var parser = new Parser(new Lexer(stream), true, this); - var obj = parser.getObj(); - var dict; - - // Get dictionary - if (isCmd(obj, 'xref')) { - // Parse end-of-file XRef - dict = this.processXRefTable(parser); - if (!this.topDict) { - this.topDict = dict; - } - - // Recursively get other XRefs 'XRefStm', if any - obj = dict.get('XRefStm'); - if (isInt(obj)) { - var pos = obj; - // ignore previously loaded xref streams - // (possible infinite recursion) - if (!(pos in this.xrefstms)) { - this.xrefstms[pos] = 1; - this.startXRefQueue.push(pos); - } - } - } else if (isInt(obj)) { - // Parse in-stream XRef - if (!isInt(parser.getObj()) || - !isCmd(parser.getObj(), 'obj') || - !isStream(obj = parser.getObj())) { - error('Invalid XRef stream'); - } - dict = this.processXRefStream(obj); - if (!this.topDict) { - this.topDict = dict; - } - if (!dict) { - error('Failed to read XRef stream'); - } - } else { - error('Invalid XRef stream header'); - } - - // Recursively get previous dictionary, if any - obj = dict.get('Prev'); - if (isInt(obj)) { - this.startXRefQueue.push(obj); - } else if (isRef(obj)) { - // The spec says Prev must not be a reference, i.e. "/Prev NNN" - // This is a fallback for non-compliant PDFs, i.e. "/Prev NNN 0 R" - this.startXRefQueue.push(obj.num); - } - - this.startXRefQueue.shift(); - } - - return this.topDict; - } catch (e) { - if (e instanceof MissingDataException) { - throw e; - } - info('(while reading XRef): ' + e); - } - - if (recoveryMode) { - return; - } - throw new XRefParseException(); - }, - - getEntry: function XRef_getEntry(i) { - var xrefEntry = this.entries[i]; - if (xrefEntry && !xrefEntry.free && xrefEntry.offset) { - return xrefEntry; - } - return null; - }, - - fetchIfRef: function XRef_fetchIfRef(obj) { - if (!isRef(obj)) { - return obj; - } - return this.fetch(obj); - }, - - fetch: function XRef_fetch(ref, suppressEncryption) { - assert(isRef(ref), 'ref object is not a reference'); - var num = ref.num; - if (num in this.cache) { - var cacheEntry = this.cache[num]; - return cacheEntry; - } - - var xrefEntry = this.getEntry(num); - - // the referenced entry can be free - if (xrefEntry === null) { - return (this.cache[num] = null); - } - - if (xrefEntry.uncompressed) { - xrefEntry = this.fetchUncompressed(ref, xrefEntry, suppressEncryption); - } else { - xrefEntry = this.fetchCompressed(xrefEntry, suppressEncryption); - } - if (isDict(xrefEntry)){ - xrefEntry.objId = ref.toString(); - } else if (isStream(xrefEntry)) { - xrefEntry.dict.objId = ref.toString(); - } - return xrefEntry; - }, - - fetchUncompressed: function XRef_fetchUncompressed(ref, xrefEntry, - suppressEncryption) { - var gen = ref.gen; - var num = ref.num; - if (xrefEntry.gen !== gen) { - error('inconsistent generation in XRef'); - } - var stream = this.stream.makeSubStream(xrefEntry.offset + - this.stream.start); - var parser = new Parser(new Lexer(stream), true, this); - var obj1 = parser.getObj(); - var obj2 = parser.getObj(); - var obj3 = parser.getObj(); - if (!isInt(obj1) || parseInt(obj1, 10) !== num || - !isInt(obj2) || parseInt(obj2, 10) !== gen || - !isCmd(obj3)) { - error('bad XRef entry'); - } - if (!isCmd(obj3, 'obj')) { - // some bad PDFs use "obj1234" and really mean 1234 - if (obj3.cmd.indexOf('obj') === 0) { - num = parseInt(obj3.cmd.substring(3), 10); - if (!isNaN(num)) { - return num; - } - } - error('bad XRef entry'); - } - if (this.encrypt && !suppressEncryption) { - xrefEntry = parser.getObj(this.encrypt.createCipherTransform(num, gen)); - } else { - xrefEntry = parser.getObj(); - } - if (!isStream(xrefEntry)) { - this.cache[num] = xrefEntry; - } - return xrefEntry; - }, - - fetchCompressed: function XRef_fetchCompressed(xrefEntry, - suppressEncryption) { - var tableOffset = xrefEntry.offset; - var stream = this.fetch(new Ref(tableOffset, 0)); - if (!isStream(stream)) { - error('bad ObjStm stream'); - } - var first = stream.dict.get('First'); - var n = stream.dict.get('N'); - if (!isInt(first) || !isInt(n)) { - error('invalid first and n parameters for ObjStm stream'); - } - var parser = new Parser(new Lexer(stream), false, this); - parser.allowStreams = true; - var i, entries = [], num, nums = []; - // read the object numbers to populate cache - for (i = 0; i < n; ++i) { - num = parser.getObj(); - if (!isInt(num)) { - error('invalid object number in the ObjStm stream: ' + num); - } - nums.push(num); - var offset = parser.getObj(); - if (!isInt(offset)) { - error('invalid object offset in the ObjStm stream: ' + offset); - } - } - // read stream objects for cache - for (i = 0; i < n; ++i) { - entries.push(parser.getObj()); - num = nums[i]; - var entry = this.entries[num]; - if (entry && entry.offset === tableOffset && entry.gen === i) { - this.cache[num] = entries[i]; - } - } - xrefEntry = entries[xrefEntry.gen]; - if (xrefEntry === undefined) { - error('bad XRef entry for compressed object'); - } - return xrefEntry; - }, - - fetchIfRefAsync: function XRef_fetchIfRefAsync(obj) { - if (!isRef(obj)) { - return Promise.resolve(obj); - } - return this.fetchAsync(obj); - }, - - fetchAsync: function XRef_fetchAsync(ref, suppressEncryption) { - var streamManager = this.stream.manager; - var xref = this; - return new Promise(function tryFetch(resolve, reject) { - try { - resolve(xref.fetch(ref, suppressEncryption)); - } catch (e) { - if (e instanceof MissingDataException) { - streamManager.requestRange(e.begin, e.end, function () { - tryFetch(resolve, reject); - }); - return; - } - reject(e); - } - }); - }, - - getCatalogObj: function XRef_getCatalogObj() { - return this.root; - } - }; - - return XRef; -})(); - -/** - * A NameTree is like a Dict but has some advantageous properties, see the - * spec (7.9.6) for more details. - * TODO: implement all the Dict functions and make this more efficent. - */ -var NameTree = (function NameTreeClosure() { - function NameTree(root, xref) { - this.root = root; - this.xref = xref; - } - - NameTree.prototype = { - getAll: function NameTree_getAll() { - var dict = {}; - if (!this.root) { - return dict; - } - var xref = this.xref; - // reading name tree - var processed = new RefSet(); - processed.put(this.root); - var queue = [this.root]; - while (queue.length > 0) { - var i, n; - var obj = xref.fetchIfRef(queue.shift()); - if (!isDict(obj)) { - continue; - } - if (obj.has('Kids')) { - var kids = obj.get('Kids'); - for (i = 0, n = kids.length; i < n; i++) { - var kid = kids[i]; - if (processed.has(kid)) { - error('invalid destinations'); - } - queue.push(kid); - processed.put(kid); - } - continue; - } - var names = obj.get('Names'); - if (names) { - for (i = 0, n = names.length; i < n; i += 2) { - dict[names[i]] = xref.fetchIfRef(names[i + 1]); - } - } - } - return dict; - }, - - get: function NameTree_get(destinationId) { - if (!this.root) { - return null; - } - - var xref = this.xref; - var kidsOrNames = xref.fetchIfRef(this.root); - var loopCount = 0; - var MAX_NAMES_LEVELS = 10; - var l, r, m; - - // Perform a binary search to quickly find the entry that - // contains the named destination we are looking for. - while (kidsOrNames.has('Kids')) { - loopCount++; - if (loopCount > MAX_NAMES_LEVELS) { - warn('Search depth limit for named destionations has been reached.'); - return null; - } - - var kids = kidsOrNames.get('Kids'); - if (!isArray(kids)) { - return null; - } - - l = 0; - r = kids.length - 1; - while (l <= r) { - m = (l + r) >> 1; - var kid = xref.fetchIfRef(kids[m]); - var limits = kid.get('Limits'); - - if (destinationId < limits[0]) { - r = m - 1; - } else if (destinationId > limits[1]) { - l = m + 1; - } else { - kidsOrNames = xref.fetchIfRef(kids[m]); - break; - } - } - if (l > r) { - return null; - } - } - - // If we get here, then we have found the right entry. Now - // go through the named destinations in the Named dictionary - // until we find the exact destination we're looking for. - var names = kidsOrNames.get('Names'); - if (isArray(names)) { - // Perform a binary search to reduce the lookup time. - l = 0; - r = names.length - 2; - while (l <= r) { - // Check only even indices (0, 2, 4, ...) because the - // odd indices contain the actual D array. - m = (l + r) & ~1; - if (destinationId < names[m]) { - r = m - 2; - } else if (destinationId > names[m]) { - l = m + 2; - } else { - return xref.fetchIfRef(names[m + 1]); - } - } - } - return null; - } - }; - return NameTree; -})(); - -/** - * "A PDF file can refer to the contents of another file by using a File - * Specification (PDF 1.1)", see the spec (7.11) for more details. - * NOTE: Only embedded files are supported (as part of the attachments support) - * TODO: support the 'URL' file system (with caching if !/V), portable - * collections attributes and related files (/RF) - */ -var FileSpec = (function FileSpecClosure() { - function FileSpec(root, xref) { - if (!root || !isDict(root)) { - return; - } - this.xref = xref; - this.root = root; - if (root.has('FS')) { - this.fs = root.get('FS'); - } - this.description = root.has('Desc') ? - stringToPDFString(root.get('Desc')) : - ''; - if (root.has('RF')) { - warn('Related file specifications are not supported'); - } - this.contentAvailable = true; - if (!root.has('EF')) { - this.contentAvailable = false; - warn('Non-embedded file specifications are not supported'); - } - } - - function pickPlatformItem(dict) { - // Look for the filename in this order: - // UF, F, Unix, Mac, DOS - if (dict.has('UF')) { - return dict.get('UF'); - } else if (dict.has('F')) { - return dict.get('F'); - } else if (dict.has('Unix')) { - return dict.get('Unix'); - } else if (dict.has('Mac')) { - return dict.get('Mac'); - } else if (dict.has('DOS')) { - return dict.get('DOS'); - } else { - return null; - } - } - - FileSpec.prototype = { - get filename() { - if (!this._filename && this.root) { - var filename = pickPlatformItem(this.root) || 'unnamed'; - this._filename = stringToPDFString(filename). - replace(/\\\\/g, '\\'). - replace(/\\\//g, '/'). - replace(/\\/g, '/'); - } - return this._filename; - }, - get content() { - if (!this.contentAvailable) { - return null; - } - if (!this.contentRef && this.root) { - this.contentRef = pickPlatformItem(this.root.get('EF')); - } - var content = null; - if (this.contentRef) { - var xref = this.xref; - var fileObj = xref.fetchIfRef(this.contentRef); - if (fileObj && isStream(fileObj)) { - content = fileObj.getBytes(); - } else { - warn('Embedded file specification points to non-existing/invalid ' + - 'content'); - } - } else { - warn('Embedded file specification does not have a content'); - } - return content; - }, - get serializable() { - return { - filename: this.filename, - content: this.content - }; - } - }; - return FileSpec; -})(); - -/** - * A helper for loading missing data in object graphs. It traverses the graph - * depth first and queues up any objects that have missing data. Once it has - * has traversed as many objects that are available it attempts to bundle the - * missing data requests and then resume from the nodes that weren't ready. - * - * NOTE: It provides protection from circular references by keeping track of - * of loaded references. However, you must be careful not to load any graphs - * that have references to the catalog or other pages since that will cause the - * entire PDF document object graph to be traversed. - */ -var ObjectLoader = (function() { - function mayHaveChildren(value) { - return isRef(value) || isDict(value) || isArray(value) || isStream(value); - } - - function addChildren(node, nodesToVisit) { - var value; - if (isDict(node) || isStream(node)) { - var map; - if (isDict(node)) { - map = node.map; - } else { - map = node.dict.map; - } - for (var key in map) { - value = map[key]; - if (mayHaveChildren(value)) { - nodesToVisit.push(value); - } - } - } else if (isArray(node)) { - for (var i = 0, ii = node.length; i < ii; i++) { - value = node[i]; - if (mayHaveChildren(value)) { - nodesToVisit.push(value); - } - } - } - } - - function ObjectLoader(obj, keys, xref) { - this.obj = obj; - this.keys = keys; - this.xref = xref; - this.refSet = null; - } - - ObjectLoader.prototype = { - load: function ObjectLoader_load() { - var keys = this.keys; - this.capability = createPromiseCapability(); - // Don't walk the graph if all the data is already loaded. - if (!(this.xref.stream instanceof ChunkedStream) || - this.xref.stream.getMissingChunks().length === 0) { - this.capability.resolve(); - return this.capability.promise; - } - - this.refSet = new RefSet(); - // Setup the initial nodes to visit. - var nodesToVisit = []; - for (var i = 0; i < keys.length; i++) { - nodesToVisit.push(this.obj[keys[i]]); - } - - this.walk(nodesToVisit); - return this.capability.promise; - }, - - walk: function ObjectLoader_walk(nodesToVisit) { - var nodesToRevisit = []; - var pendingRequests = []; - // DFS walk of the object graph. - while (nodesToVisit.length) { - var currentNode = nodesToVisit.pop(); - - // Only references or chunked streams can cause missing data exceptions. - if (isRef(currentNode)) { - // Skip nodes that have already been visited. - if (this.refSet.has(currentNode)) { - continue; - } - try { - var ref = currentNode; - this.refSet.put(ref); - currentNode = this.xref.fetch(currentNode); - } catch (e) { - if (!(e instanceof MissingDataException)) { - throw e; - } - nodesToRevisit.push(currentNode); - pendingRequests.push({ begin: e.begin, end: e.end }); - } - } - if (currentNode && currentNode.getBaseStreams) { - var baseStreams = currentNode.getBaseStreams(); - var foundMissingData = false; - for (var i = 0; i < baseStreams.length; i++) { - var stream = baseStreams[i]; - if (stream.getMissingChunks && stream.getMissingChunks().length) { - foundMissingData = true; - pendingRequests.push({ - begin: stream.start, - end: stream.end - }); - } - } - if (foundMissingData) { - nodesToRevisit.push(currentNode); - } - } - - addChildren(currentNode, nodesToVisit); - } - - if (pendingRequests.length) { - this.xref.stream.manager.requestRanges(pendingRequests, - function pendingRequestCallback() { - nodesToVisit = nodesToRevisit; - for (var i = 0; i < nodesToRevisit.length; i++) { - var node = nodesToRevisit[i]; - // Remove any reference nodes from the currrent refset so they - // aren't skipped when we revist them. - if (isRef(node)) { - this.refSet.remove(node); - } - } - this.walk(nodesToVisit); - }.bind(this)); - return; - } - // Everything is loaded. - this.refSet = null; - this.capability.resolve(); - } - }; - - return ObjectLoader; -})(); - +}(this, function (exports) { var ISOAdobeCharset = [ '.notdef', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', @@ -4860,17082 +313,17 @@ var ExpertSubsetCharset = [ 'periodinferior', 'commainferior' ]; +exports.ISOAdobeCharset = ISOAdobeCharset; +exports.ExpertCharset = ExpertCharset; +exports.ExpertSubsetCharset = ExpertSubsetCharset; +})); -var DEFAULT_ICON_SIZE = 22; // px -var SUPPORTED_TYPES = ['Link', 'Text', 'Widget']; - -var Annotation = (function AnnotationClosure() { - // 12.5.5: Algorithm: Appearance streams - function getTransformMatrix(rect, bbox, matrix) { - var bounds = Util.getAxialAlignedBoundingBox(bbox, matrix); - var minX = bounds[0]; - var minY = bounds[1]; - var maxX = bounds[2]; - var maxY = bounds[3]; - - if (minX === maxX || minY === maxY) { - // From real-life file, bbox was [0, 0, 0, 0]. In this case, - // just apply the transform for rect - return [1, 0, 0, 1, rect[0], rect[1]]; - } - - var xRatio = (rect[2] - rect[0]) / (maxX - minX); - var yRatio = (rect[3] - rect[1]) / (maxY - minY); - return [ - xRatio, - 0, - 0, - yRatio, - rect[0] - minX * xRatio, - rect[1] - minY * yRatio - ]; - } - - function getDefaultAppearance(dict) { - var appearanceState = dict.get('AP'); - if (!isDict(appearanceState)) { - return; - } - - var appearance; - var appearances = appearanceState.get('N'); - if (isDict(appearances)) { - var as = dict.get('AS'); - if (as && appearances.has(as.name)) { - appearance = appearances.get(as.name); - } - } else { - appearance = appearances; - } - return appearance; - } - - function Annotation(params) { - var dict = params.dict; - var data = this.data = {}; - - data.subtype = dict.get('Subtype').name; - var rect = dict.get('Rect') || [0, 0, 0, 0]; - data.rect = Util.normalizeRect(rect); - data.annotationFlags = dict.get('F'); - - var color = dict.get('C'); - if (isArray(color) && color.length === 3) { - // TODO(mack): currently only supporting rgb; need support different - // colorspaces - data.color = color; - } else { - data.color = [0, 0, 0]; - } - - // Some types of annotations have border style dict which has more - // info than the border array - if (dict.has('BS')) { - var borderStyle = dict.get('BS'); - data.borderWidth = borderStyle.has('W') ? borderStyle.get('W') : 1; - } else { - var borderArray = dict.get('Border') || [0, 0, 1]; - data.borderWidth = borderArray[2] || 0; - - // TODO: implement proper support for annotations with line dash patterns. - var dashArray = borderArray[3]; - if (data.borderWidth > 0 && dashArray) { - if (!isArray(dashArray)) { - // Ignore the border if dashArray is not actually an array, - // this is consistent with the behaviour in Adobe Reader. - data.borderWidth = 0; - } else { - var dashArrayLength = dashArray.length; - if (dashArrayLength > 0) { - // According to the PDF specification: the elements in a dashArray - // shall be numbers that are nonnegative and not all equal to zero. - var isInvalid = false; - var numPositive = 0; - for (var i = 0; i < dashArrayLength; i++) { - var validNumber = (+dashArray[i] >= 0); - if (!validNumber) { - isInvalid = true; - break; - } else if (dashArray[i] > 0) { - numPositive++; - } - } - if (isInvalid || numPositive === 0) { - data.borderWidth = 0; - } - } - } - } - } - - this.appearance = getDefaultAppearance(dict); - data.hasAppearance = !!this.appearance; - data.id = params.ref.num; - } - - Annotation.prototype = { - - getData: function Annotation_getData() { - return this.data; - }, - - isInvisible: function Annotation_isInvisible() { - var data = this.data; - if (data && SUPPORTED_TYPES.indexOf(data.subtype) !== -1) { - return false; - } else { - return !!(data && - data.annotationFlags && // Default: not invisible - data.annotationFlags & 0x1); // Invisible - } - }, - - isViewable: function Annotation_isViewable() { - var data = this.data; - return !!(!this.isInvisible() && - data && - (!data.annotationFlags || - !(data.annotationFlags & 0x22)) && // Hidden or NoView - data.rect); // rectangle is necessary - }, - - isPrintable: function Annotation_isPrintable() { - var data = this.data; - return !!(!this.isInvisible() && - data && - data.annotationFlags && // Default: not printable - data.annotationFlags & 0x4 && // Print - !(data.annotationFlags & 0x2) && // Hidden - data.rect); // rectangle is necessary - }, - - loadResources: function Annotation_loadResources(keys) { - return new Promise(function (resolve, reject) { - this.appearance.dict.getAsync('Resources').then(function (resources) { - if (!resources) { - resolve(); - return; - } - var objectLoader = new ObjectLoader(resources.map, - keys, - resources.xref); - objectLoader.load().then(function() { - resolve(resources); - }, reject); - }, reject); - }.bind(this)); - }, - - getOperatorList: function Annotation_getOperatorList(evaluator) { - - if (!this.appearance) { - return Promise.resolve(new OperatorList()); - } - - var data = this.data; - - var appearanceDict = this.appearance.dict; - var resourcesPromise = this.loadResources([ - 'ExtGState', - 'ColorSpace', - 'Pattern', - 'Shading', - 'XObject', - 'Font' - // ProcSet - // Properties - ]); - var bbox = appearanceDict.get('BBox') || [0, 0, 1, 1]; - var matrix = appearanceDict.get('Matrix') || [1, 0, 0, 1, 0 ,0]; - var transform = getTransformMatrix(data.rect, bbox, matrix); - var self = this; - - return resourcesPromise.then(function(resources) { - var opList = new OperatorList(); - opList.addOp(OPS.beginAnnotation, [data.rect, transform, matrix]); - return evaluator.getOperatorList(self.appearance, resources, opList). - then(function () { - opList.addOp(OPS.endAnnotation, []); - self.appearance.reset(); - return opList; - }); - }); - } - }; - - Annotation.getConstructor = - function Annotation_getConstructor(subtype, fieldType) { - - if (!subtype) { - return; - } - - // TODO(mack): Implement FreeText annotations - if (subtype === 'Link') { - return LinkAnnotation; - } else if (subtype === 'Text') { - return TextAnnotation; - } else if (subtype === 'Widget') { - if (!fieldType) { - return; - } - - if (fieldType === 'Tx') { - return TextWidgetAnnotation; - } else { - return WidgetAnnotation; - } - } else { - return Annotation; - } - }; - - Annotation.fromRef = function Annotation_fromRef(xref, ref) { - - var dict = xref.fetchIfRef(ref); - if (!isDict(dict)) { - return; - } - - var subtype = dict.get('Subtype'); - subtype = isName(subtype) ? subtype.name : ''; - if (!subtype) { - return; - } - - var fieldType = Util.getInheritableProperty(dict, 'FT'); - fieldType = isName(fieldType) ? fieldType.name : ''; - - var Constructor = Annotation.getConstructor(subtype, fieldType); - if (!Constructor) { - return; - } - - var params = { - dict: dict, - ref: ref, - }; - - var annotation = new Constructor(params); - - if (annotation.isViewable() || annotation.isPrintable()) { - return annotation; - } else { - if (SUPPORTED_TYPES.indexOf(subtype) === -1) { - warn('unimplemented annotation type: ' + subtype); - } - } - }; - - Annotation.appendToOperatorList = function Annotation_appendToOperatorList( - annotations, opList, pdfManager, partialEvaluator, intent) { - - function reject(e) { - annotationsReadyCapability.reject(e); - } - - var annotationsReadyCapability = createPromiseCapability(); - - var annotationPromises = []; - for (var i = 0, n = annotations.length; i < n; ++i) { - if (intent === 'display' && annotations[i].isViewable() || - intent === 'print' && annotations[i].isPrintable()) { - annotationPromises.push( - annotations[i].getOperatorList(partialEvaluator)); - } - } - Promise.all(annotationPromises).then(function(datas) { - opList.addOp(OPS.beginAnnotations, []); - for (var i = 0, n = datas.length; i < n; ++i) { - var annotOpList = datas[i]; - opList.addOpList(annotOpList); - } - opList.addOp(OPS.endAnnotations, []); - annotationsReadyCapability.resolve(); - }, reject); - - return annotationsReadyCapability.promise; - }; - - return Annotation; -})(); - -var WidgetAnnotation = (function WidgetAnnotationClosure() { - - function WidgetAnnotation(params) { - Annotation.call(this, params); - - var dict = params.dict; - var data = this.data; - - data.fieldValue = stringToPDFString( - Util.getInheritableProperty(dict, 'V') || ''); - data.alternativeText = stringToPDFString(dict.get('TU') || ''); - data.defaultAppearance = Util.getInheritableProperty(dict, 'DA') || ''; - var fieldType = Util.getInheritableProperty(dict, 'FT'); - data.fieldType = isName(fieldType) ? fieldType.name : ''; - data.fieldFlags = Util.getInheritableProperty(dict, 'Ff') || 0; - this.fieldResources = Util.getInheritableProperty(dict, 'DR') || Dict.empty; - - // Building the full field name by collecting the field and - // its ancestors 'T' data and joining them using '.'. - var fieldName = []; - var namedItem = dict; - var ref = params.ref; - while (namedItem) { - var parent = namedItem.get('Parent'); - var parentRef = namedItem.getRaw('Parent'); - var name = namedItem.get('T'); - if (name) { - fieldName.unshift(stringToPDFString(name)); - } else { - // The field name is absent, that means more than one field - // with the same name may exist. Replacing the empty name - // with the '`' plus index in the parent's 'Kids' array. - // This is not in the PDF spec but necessary to id the - // the input controls. - var kids = parent.get('Kids'); - var j, jj; - for (j = 0, jj = kids.length; j < jj; j++) { - var kidRef = kids[j]; - if (kidRef.num === ref.num && kidRef.gen === ref.gen) { - break; - } - } - fieldName.unshift('`' + j); - } - namedItem = parent; - ref = parentRef; - } - data.fullName = fieldName.join('.'); - } - - var parent = Annotation.prototype; - Util.inherit(WidgetAnnotation, Annotation, { - isViewable: function WidgetAnnotation_isViewable() { - if (this.data.fieldType === 'Sig') { - warn('unimplemented annotation type: Widget signature'); - return false; - } - - return parent.isViewable.call(this); - } - }); - - return WidgetAnnotation; -})(); - -var TextWidgetAnnotation = (function TextWidgetAnnotationClosure() { - function TextWidgetAnnotation(params) { - WidgetAnnotation.call(this, params); - - this.data.textAlignment = Util.getInheritableProperty(params.dict, 'Q'); - this.data.annotationType = AnnotationType.WIDGET; - this.data.hasHtml = !this.data.hasAppearance && !!this.data.fieldValue; - } - - Util.inherit(TextWidgetAnnotation, WidgetAnnotation, { - getOperatorList: function TextWidgetAnnotation_getOperatorList(evaluator) { - if (this.appearance) { - return Annotation.prototype.getOperatorList.call(this, evaluator); - } - - var opList = new OperatorList(); - var data = this.data; - - // Even if there is an appearance stream, ignore it. This is the - // behaviour used by Adobe Reader. - if (!data.defaultAppearance) { - return Promise.resolve(opList); - } - - var stream = new Stream(stringToBytes(data.defaultAppearance)); - return evaluator.getOperatorList(stream, this.fieldResources, opList). - then(function () { - return opList; - }); - } - }); - - return TextWidgetAnnotation; -})(); - -var InteractiveAnnotation = (function InteractiveAnnotationClosure() { - function InteractiveAnnotation(params) { - Annotation.call(this, params); - - this.data.hasHtml = true; - } - - Util.inherit(InteractiveAnnotation, Annotation, { }); - - return InteractiveAnnotation; -})(); - -var TextAnnotation = (function TextAnnotationClosure() { - function TextAnnotation(params) { - InteractiveAnnotation.call(this, params); - - var dict = params.dict; - var data = this.data; - - var content = dict.get('Contents'); - var title = dict.get('T'); - data.annotationType = AnnotationType.TEXT; - data.content = stringToPDFString(content || ''); - data.title = stringToPDFString(title || ''); - - if (data.hasAppearance) { - data.name = 'NoIcon'; - } else { - data.rect[1] = data.rect[3] - DEFAULT_ICON_SIZE; - data.rect[2] = data.rect[0] + DEFAULT_ICON_SIZE; - data.name = dict.has('Name') ? dict.get('Name').name : 'Note'; - } - - if (dict.has('C')) { - data.hasBgColor = true; - } - } - - Util.inherit(TextAnnotation, InteractiveAnnotation, { }); - - return TextAnnotation; -})(); - -var LinkAnnotation = (function LinkAnnotationClosure() { - function LinkAnnotation(params) { - InteractiveAnnotation.call(this, params); - - var dict = params.dict; - var data = this.data; - data.annotationType = AnnotationType.LINK; - - var action = dict.get('A'); - if (action) { - var linkType = action.get('S').name; - if (linkType === 'URI') { - var url = action.get('URI'); - if (isName(url)) { - // Some bad PDFs do not put parentheses around relative URLs. - url = '/' + url.name; - } else if (url) { - url = addDefaultProtocolToUrl(url); - } - // TODO: pdf spec mentions urls can be relative to a Base - // entry in the dictionary. - if (!isValidUrl(url, false)) { - url = ''; - } - data.url = url; - } else if (linkType === 'GoTo') { - data.dest = action.get('D'); - } else if (linkType === 'GoToR') { - var urlDict = action.get('F'); - if (isDict(urlDict)) { - // We assume that the 'url' is a Filspec dictionary - // and fetch the url without checking any further - url = urlDict.get('F') || ''; - } - - // TODO: pdf reference says that GoToR - // can also have 'NewWindow' attribute - if (!isValidUrl(url, false)) { - url = ''; - } - data.url = url; - data.dest = action.get('D'); - } else if (linkType === 'Named') { - data.action = action.get('N').name; - } else { - warn('unrecognized link type: ' + linkType); - } - } else if (dict.has('Dest')) { - // simple destination link - var dest = dict.get('Dest'); - data.dest = isName(dest) ? dest.name : dest; - } - } - - // Lets URLs beginning with 'www.' default to using the 'http://' protocol. - function addDefaultProtocolToUrl(url) { - if (url && url.indexOf('www.') === 0) { - return ('http://' + url); - } - return url; - } - - Util.inherit(LinkAnnotation, InteractiveAnnotation, { - hasOperatorList: function LinkAnnotation_hasOperatorList() { - return false; - } - }); - - return LinkAnnotation; -})(); - - -var PDFFunction = (function PDFFunctionClosure() { - var CONSTRUCT_SAMPLED = 0; - var CONSTRUCT_INTERPOLATED = 2; - var CONSTRUCT_STICHED = 3; - var CONSTRUCT_POSTSCRIPT = 4; - - return { - getSampleArray: function PDFFunction_getSampleArray(size, outputSize, bps, - str) { - var i, ii; - var length = 1; - for (i = 0, ii = size.length; i < ii; i++) { - length *= size[i]; - } - length *= outputSize; - - var array = new Array(length); - var codeSize = 0; - var codeBuf = 0; - // 32 is a valid bps so shifting won't work - var sampleMul = 1.0 / (Math.pow(2.0, bps) - 1); - - var strBytes = str.getBytes((length * bps + 7) / 8); - var strIdx = 0; - for (i = 0; i < length; i++) { - while (codeSize < bps) { - codeBuf <<= 8; - codeBuf |= strBytes[strIdx++]; - codeSize += 8; - } - codeSize -= bps; - array[i] = (codeBuf >> codeSize) * sampleMul; - codeBuf &= (1 << codeSize) - 1; - } - return array; - }, - - getIR: function PDFFunction_getIR(xref, fn) { - var dict = fn.dict; - if (!dict) { - dict = fn; - } - - var types = [this.constructSampled, - null, - this.constructInterpolated, - this.constructStiched, - this.constructPostScript]; - - var typeNum = dict.get('FunctionType'); - var typeFn = types[typeNum]; - if (!typeFn) { - error('Unknown type of function'); - } - - return typeFn.call(this, fn, dict, xref); - }, - - fromIR: function PDFFunction_fromIR(IR) { - var type = IR[0]; - switch (type) { - case CONSTRUCT_SAMPLED: - return this.constructSampledFromIR(IR); - case CONSTRUCT_INTERPOLATED: - return this.constructInterpolatedFromIR(IR); - case CONSTRUCT_STICHED: - return this.constructStichedFromIR(IR); - //case CONSTRUCT_POSTSCRIPT: - default: - return this.constructPostScriptFromIR(IR); - } - }, - - parse: function PDFFunction_parse(xref, fn) { - var IR = this.getIR(xref, fn); - return this.fromIR(IR); - }, - - parseArray: function PDFFunction_parseArray(xref, fnObj) { - if (!isArray(fnObj)) { - // not an array -- parsing as regular function - return this.parse(xref, fnObj); - } - - var fnArray = []; - for (var j = 0, jj = fnObj.length; j < jj; j++) { - var obj = xref.fetchIfRef(fnObj[j]); - fnArray.push(PDFFunction.parse(xref, obj)); - } - return function (src, srcOffset, dest, destOffset) { - for (var i = 0, ii = fnArray.length; i < ii; i++) { - fnArray[i](src, srcOffset, dest, destOffset + i); - } - }; - }, - - constructSampled: function PDFFunction_constructSampled(str, dict) { - function toMultiArray(arr) { - var inputLength = arr.length; - var out = []; - var index = 0; - for (var i = 0; i < inputLength; i += 2) { - out[index] = [arr[i], arr[i + 1]]; - ++index; - } - return out; - } - var domain = dict.get('Domain'); - var range = dict.get('Range'); - - if (!domain || !range) { - error('No domain or range'); - } - - var inputSize = domain.length / 2; - var outputSize = range.length / 2; - - domain = toMultiArray(domain); - range = toMultiArray(range); - - var size = dict.get('Size'); - var bps = dict.get('BitsPerSample'); - var order = dict.get('Order') || 1; - if (order !== 1) { - // No description how cubic spline interpolation works in PDF32000:2008 - // As in poppler, ignoring order, linear interpolation may work as good - info('No support for cubic spline interpolation: ' + order); - } - - var encode = dict.get('Encode'); - if (!encode) { - encode = []; - for (var i = 0; i < inputSize; ++i) { - encode.push(0); - encode.push(size[i] - 1); - } - } - encode = toMultiArray(encode); - - var decode = dict.get('Decode'); - if (!decode) { - decode = range; - } else { - decode = toMultiArray(decode); - } - - var samples = this.getSampleArray(size, outputSize, bps, str); - - return [ - CONSTRUCT_SAMPLED, inputSize, domain, encode, decode, samples, size, - outputSize, Math.pow(2, bps) - 1, range - ]; - }, - - constructSampledFromIR: function PDFFunction_constructSampledFromIR(IR) { - // See chapter 3, page 109 of the PDF reference - function interpolate(x, xmin, xmax, ymin, ymax) { - return ymin + ((x - xmin) * ((ymax - ymin) / (xmax - xmin))); - } - - return function constructSampledFromIRResult(src, srcOffset, - dest, destOffset) { - // See chapter 3, page 110 of the PDF reference. - var m = IR[1]; - var domain = IR[2]; - var encode = IR[3]; - var decode = IR[4]; - var samples = IR[5]; - var size = IR[6]; - var n = IR[7]; - //var mask = IR[8]; - var range = IR[9]; - - // Building the cube vertices: its part and sample index - // http://rjwagner49.com/Mathematics/Interpolation.pdf - var cubeVertices = 1 << m; - var cubeN = new Float64Array(cubeVertices); - var cubeVertex = new Uint32Array(cubeVertices); - var i, j; - for (j = 0; j < cubeVertices; j++) { - cubeN[j] = 1; - } - - var k = n, pos = 1; - // Map x_i to y_j for 0 <= i < m using the sampled function. - for (i = 0; i < m; ++i) { - // x_i' = min(max(x_i, Domain_2i), Domain_2i+1) - var domain_2i = domain[i][0]; - var domain_2i_1 = domain[i][1]; - var xi = Math.min(Math.max(src[srcOffset +i], domain_2i), - domain_2i_1); - - // e_i = Interpolate(x_i', Domain_2i, Domain_2i+1, - // Encode_2i, Encode_2i+1) - var e = interpolate(xi, domain_2i, domain_2i_1, - encode[i][0], encode[i][1]); - - // e_i' = min(max(e_i, 0), Size_i - 1) - var size_i = size[i]; - e = Math.min(Math.max(e, 0), size_i - 1); - - // Adjusting the cube: N and vertex sample index - var e0 = e < size_i - 1 ? Math.floor(e) : e - 1; // e1 = e0 + 1; - var n0 = e0 + 1 - e; // (e1 - e) / (e1 - e0); - var n1 = e - e0; // (e - e0) / (e1 - e0); - var offset0 = e0 * k; - var offset1 = offset0 + k; // e1 * k - for (j = 0; j < cubeVertices; j++) { - if (j & pos) { - cubeN[j] *= n1; - cubeVertex[j] += offset1; - } else { - cubeN[j] *= n0; - cubeVertex[j] += offset0; - } - } - - k *= size_i; - pos <<= 1; - } - - for (j = 0; j < n; ++j) { - // Sum all cube vertices' samples portions - var rj = 0; - for (i = 0; i < cubeVertices; i++) { - rj += samples[cubeVertex[i] + j] * cubeN[i]; - } - - // r_j' = Interpolate(r_j, 0, 2^BitsPerSample - 1, - // Decode_2j, Decode_2j+1) - rj = interpolate(rj, 0, 1, decode[j][0], decode[j][1]); - - // y_j = min(max(r_j, range_2j), range_2j+1) - dest[destOffset + j] = Math.min(Math.max(rj, range[j][0]), - range[j][1]); - } - }; - }, - - constructInterpolated: function PDFFunction_constructInterpolated(str, - dict) { - var c0 = dict.get('C0') || [0]; - var c1 = dict.get('C1') || [1]; - var n = dict.get('N'); - - if (!isArray(c0) || !isArray(c1)) { - error('Illegal dictionary for interpolated function'); - } - - var length = c0.length; - var diff = []; - for (var i = 0; i < length; ++i) { - diff.push(c1[i] - c0[i]); - } - - return [CONSTRUCT_INTERPOLATED, c0, diff, n]; - }, - - constructInterpolatedFromIR: - function PDFFunction_constructInterpolatedFromIR(IR) { - var c0 = IR[1]; - var diff = IR[2]; - var n = IR[3]; - - var length = diff.length; - - return function constructInterpolatedFromIRResult(src, srcOffset, - dest, destOffset) { - var x = n === 1 ? src[srcOffset] : Math.pow(src[srcOffset], n); - - for (var j = 0; j < length; ++j) { - dest[destOffset + j] = c0[j] + (x * diff[j]); - } - }; - }, - - constructStiched: function PDFFunction_constructStiched(fn, dict, xref) { - var domain = dict.get('Domain'); - - if (!domain) { - error('No domain'); - } - - var inputSize = domain.length / 2; - if (inputSize !== 1) { - error('Bad domain for stiched function'); - } - - var fnRefs = dict.get('Functions'); - var fns = []; - for (var i = 0, ii = fnRefs.length; i < ii; ++i) { - fns.push(PDFFunction.getIR(xref, xref.fetchIfRef(fnRefs[i]))); - } - - var bounds = dict.get('Bounds'); - var encode = dict.get('Encode'); - - return [CONSTRUCT_STICHED, domain, bounds, encode, fns]; - }, - - constructStichedFromIR: function PDFFunction_constructStichedFromIR(IR) { - var domain = IR[1]; - var bounds = IR[2]; - var encode = IR[3]; - var fnsIR = IR[4]; - var fns = []; - var tmpBuf = new Float32Array(1); - - for (var i = 0, ii = fnsIR.length; i < ii; i++) { - fns.push(PDFFunction.fromIR(fnsIR[i])); - } - - return function constructStichedFromIRResult(src, srcOffset, - dest, destOffset) { - var clip = function constructStichedFromIRClip(v, min, max) { - if (v > max) { - v = max; - } else if (v < min) { - v = min; - } - return v; - }; - - // clip to domain - var v = clip(src[srcOffset], domain[0], domain[1]); - // calulate which bound the value is in - for (var i = 0, ii = bounds.length; i < ii; ++i) { - if (v < bounds[i]) { - break; - } - } - - // encode value into domain of function - var dmin = domain[0]; - if (i > 0) { - dmin = bounds[i - 1]; - } - var dmax = domain[1]; - if (i < bounds.length) { - dmax = bounds[i]; - } - - var rmin = encode[2 * i]; - var rmax = encode[2 * i + 1]; - - tmpBuf[0] = rmin + (v - dmin) * (rmax - rmin) / (dmax - dmin); - - // call the appropriate function - fns[i](tmpBuf, 0, dest, destOffset); - }; - }, - - constructPostScript: function PDFFunction_constructPostScript(fn, dict, - xref) { - var domain = dict.get('Domain'); - var range = dict.get('Range'); - - if (!domain) { - error('No domain.'); - } - - if (!range) { - error('No range.'); - } - - var lexer = new PostScriptLexer(fn); - var parser = new PostScriptParser(lexer); - var code = parser.parse(); - - return [CONSTRUCT_POSTSCRIPT, domain, range, code]; - }, - - constructPostScriptFromIR: function PDFFunction_constructPostScriptFromIR( - IR) { - var domain = IR[1]; - var range = IR[2]; - var code = IR[3]; - - var compiled = (new PostScriptCompiler()).compile(code, domain, range); - if (compiled) { - // Compiled function consists of simple expressions such as addition, - // subtraction, Math.max, and also contains 'var' and 'return' - // statements. See the generation in the PostScriptCompiler below. - /*jshint -W054 */ - return new Function('src', 'srcOffset', 'dest', 'destOffset', compiled); - } - - info('Unable to compile PS function'); - - var numOutputs = range.length >> 1; - var numInputs = domain.length >> 1; - var evaluator = new PostScriptEvaluator(code); - // Cache the values for a big speed up, the cache size is limited though - // since the number of possible values can be huge from a PS function. - var cache = {}; - // The MAX_CACHE_SIZE is set to ~4x the maximum number of distinct values - // seen in our tests. - var MAX_CACHE_SIZE = 2048 * 4; - var cache_available = MAX_CACHE_SIZE; - var tmpBuf = new Float32Array(numInputs); - - return function constructPostScriptFromIRResult(src, srcOffset, - dest, destOffset) { - var i, value; - var key = ''; - var input = tmpBuf; - for (i = 0; i < numInputs; i++) { - value = src[srcOffset + i]; - input[i] = value; - key += value + '_'; - } - - var cachedValue = cache[key]; - if (cachedValue !== undefined) { - cachedValue.set(dest, destOffset); - return; - } - - var output = new Float32Array(numOutputs); - var stack = evaluator.execute(input); - var stackIndex = stack.length - numOutputs; - for (i = 0; i < numOutputs; i++) { - value = stack[stackIndex + i]; - var bound = range[i * 2]; - if (value < bound) { - value = bound; - } else { - bound = range[i * 2 +1]; - if (value > bound) { - value = bound; - } - } - output[i] = value; - } - if (cache_available > 0) { - cache_available--; - cache[key] = output; - } - output.set(dest, destOffset); - }; - } - }; -})(); - -function isPDFFunction(v) { - var fnDict; - if (typeof v !== 'object') { - return false; - } else if (isDict(v)) { - fnDict = v; - } else if (isStream(v)) { - fnDict = v.dict; - } else { - return false; - } - return fnDict.has('FunctionType'); -} - -var PostScriptStack = (function PostScriptStackClosure() { - var MAX_STACK_SIZE = 100; - function PostScriptStack(initialStack) { - this.stack = !initialStack ? [] : - Array.prototype.slice.call(initialStack, 0); - } - - PostScriptStack.prototype = { - push: function PostScriptStack_push(value) { - if (this.stack.length >= MAX_STACK_SIZE) { - error('PostScript function stack overflow.'); - } - this.stack.push(value); - }, - pop: function PostScriptStack_pop() { - if (this.stack.length <= 0) { - error('PostScript function stack underflow.'); - } - return this.stack.pop(); - }, - copy: function PostScriptStack_copy(n) { - if (this.stack.length + n >= MAX_STACK_SIZE) { - error('PostScript function stack overflow.'); - } - var stack = this.stack; - for (var i = stack.length - n, j = n - 1; j >= 0; j--, i++) { - stack.push(stack[i]); - } - }, - index: function PostScriptStack_index(n) { - this.push(this.stack[this.stack.length - n - 1]); - }, - // rotate the last n stack elements p times - roll: function PostScriptStack_roll(n, p) { - var stack = this.stack; - var l = stack.length - n; - var r = stack.length - 1, c = l + (p - Math.floor(p / n) * n), i, j, t; - for (i = l, j = r; i < j; i++, j--) { - t = stack[i]; stack[i] = stack[j]; stack[j] = t; - } - for (i = l, j = c - 1; i < j; i++, j--) { - t = stack[i]; stack[i] = stack[j]; stack[j] = t; - } - for (i = c, j = r; i < j; i++, j--) { - t = stack[i]; stack[i] = stack[j]; stack[j] = t; - } - } - }; - return PostScriptStack; -})(); -var PostScriptEvaluator = (function PostScriptEvaluatorClosure() { - function PostScriptEvaluator(operators) { - this.operators = operators; - } - PostScriptEvaluator.prototype = { - execute: function PostScriptEvaluator_execute(initialStack) { - var stack = new PostScriptStack(initialStack); - var counter = 0; - var operators = this.operators; - var length = operators.length; - var operator, a, b; - while (counter < length) { - operator = operators[counter++]; - if (typeof operator === 'number') { - // Operator is really an operand and should be pushed to the stack. - stack.push(operator); - continue; - } - switch (operator) { - // non standard ps operators - case 'jz': // jump if false - b = stack.pop(); - a = stack.pop(); - if (!a) { - counter = b; - } - break; - case 'j': // jump - a = stack.pop(); - counter = a; - break; - - // all ps operators in alphabetical order (excluding if/ifelse) - case 'abs': - a = stack.pop(); - stack.push(Math.abs(a)); - break; - case 'add': - b = stack.pop(); - a = stack.pop(); - stack.push(a + b); - break; - case 'and': - b = stack.pop(); - a = stack.pop(); - if (isBool(a) && isBool(b)) { - stack.push(a && b); - } else { - stack.push(a & b); - } - break; - case 'atan': - a = stack.pop(); - stack.push(Math.atan(a)); - break; - case 'bitshift': - b = stack.pop(); - a = stack.pop(); - if (a > 0) { - stack.push(a << b); - } else { - stack.push(a >> b); - } - break; - case 'ceiling': - a = stack.pop(); - stack.push(Math.ceil(a)); - break; - case 'copy': - a = stack.pop(); - stack.copy(a); - break; - case 'cos': - a = stack.pop(); - stack.push(Math.cos(a)); - break; - case 'cvi': - a = stack.pop() | 0; - stack.push(a); - break; - case 'cvr': - // noop - break; - case 'div': - b = stack.pop(); - a = stack.pop(); - stack.push(a / b); - break; - case 'dup': - stack.copy(1); - break; - case 'eq': - b = stack.pop(); - a = stack.pop(); - stack.push(a === b); - break; - case 'exch': - stack.roll(2, 1); - break; - case 'exp': - b = stack.pop(); - a = stack.pop(); - stack.push(Math.pow(a, b)); - break; - case 'false': - stack.push(false); - break; - case 'floor': - a = stack.pop(); - stack.push(Math.floor(a)); - break; - case 'ge': - b = stack.pop(); - a = stack.pop(); - stack.push(a >= b); - break; - case 'gt': - b = stack.pop(); - a = stack.pop(); - stack.push(a > b); - break; - case 'idiv': - b = stack.pop(); - a = stack.pop(); - stack.push((a / b) | 0); - break; - case 'index': - a = stack.pop(); - stack.index(a); - break; - case 'le': - b = stack.pop(); - a = stack.pop(); - stack.push(a <= b); - break; - case 'ln': - a = stack.pop(); - stack.push(Math.log(a)); - break; - case 'log': - a = stack.pop(); - stack.push(Math.log(a) / Math.LN10); - break; - case 'lt': - b = stack.pop(); - a = stack.pop(); - stack.push(a < b); - break; - case 'mod': - b = stack.pop(); - a = stack.pop(); - stack.push(a % b); - break; - case 'mul': - b = stack.pop(); - a = stack.pop(); - stack.push(a * b); - break; - case 'ne': - b = stack.pop(); - a = stack.pop(); - stack.push(a !== b); - break; - case 'neg': - a = stack.pop(); - stack.push(-a); - break; - case 'not': - a = stack.pop(); - if (isBool(a)) { - stack.push(!a); - } else { - stack.push(~a); - } - break; - case 'or': - b = stack.pop(); - a = stack.pop(); - if (isBool(a) && isBool(b)) { - stack.push(a || b); - } else { - stack.push(a | b); - } - break; - case 'pop': - stack.pop(); - break; - case 'roll': - b = stack.pop(); - a = stack.pop(); - stack.roll(a, b); - break; - case 'round': - a = stack.pop(); - stack.push(Math.round(a)); - break; - case 'sin': - a = stack.pop(); - stack.push(Math.sin(a)); - break; - case 'sqrt': - a = stack.pop(); - stack.push(Math.sqrt(a)); - break; - case 'sub': - b = stack.pop(); - a = stack.pop(); - stack.push(a - b); - break; - case 'true': - stack.push(true); - break; - case 'truncate': - a = stack.pop(); - a = a < 0 ? Math.ceil(a) : Math.floor(a); - stack.push(a); - break; - case 'xor': - b = stack.pop(); - a = stack.pop(); - if (isBool(a) && isBool(b)) { - stack.push(a !== b); - } else { - stack.push(a ^ b); - } - break; - default: - error('Unknown operator ' + operator); - break; - } - } - return stack.stack; - } - }; - return PostScriptEvaluator; -})(); - -// Most of the PDFs functions consist of simple operations such as: -// roll, exch, sub, cvr, pop, index, dup, mul, if, gt, add. -// -// We can compile most of such programs, and at the same moment, we can -// optimize some expressions using basic math properties. Keeping track of -// min/max values will allow us to avoid extra Math.min/Math.max calls. -var PostScriptCompiler = (function PostScriptCompilerClosure() { - function AstNode(type) { - this.type = type; - } - AstNode.prototype.visit = function (visitor) { - throw new Error('abstract method'); - }; - - function AstArgument(index, min, max) { - AstNode.call(this, 'args'); - this.index = index; - this.min = min; - this.max = max; - } - AstArgument.prototype = Object.create(AstNode.prototype); - AstArgument.prototype.visit = function (visitor) { - visitor.visitArgument(this); - }; - - function AstLiteral(number) { - AstNode.call(this, 'literal'); - this.number = number; - this.min = number; - this.max = number; - } - AstLiteral.prototype = Object.create(AstNode.prototype); - AstLiteral.prototype.visit = function (visitor) { - visitor.visitLiteral(this); - }; - - function AstBinaryOperation(op, arg1, arg2, min, max) { - AstNode.call(this, 'binary'); - this.op = op; - this.arg1 = arg1; - this.arg2 = arg2; - this.min = min; - this.max = max; - } - AstBinaryOperation.prototype = Object.create(AstNode.prototype); - AstBinaryOperation.prototype.visit = function (visitor) { - visitor.visitBinaryOperation(this); - }; - - function AstMin(arg, max) { - AstNode.call(this, 'max'); - this.arg = arg; - this.min = arg.min; - this.max = max; - } - AstMin.prototype = Object.create(AstNode.prototype); - AstMin.prototype.visit = function (visitor) { - visitor.visitMin(this); - }; - - function AstVariable(index, min, max) { - AstNode.call(this, 'var'); - this.index = index; - this.min = min; - this.max = max; - } - AstVariable.prototype = Object.create(AstNode.prototype); - AstVariable.prototype.visit = function (visitor) { - visitor.visitVariable(this); - }; - - function AstVariableDefinition(variable, arg) { - AstNode.call(this, 'definition'); - this.variable = variable; - this.arg = arg; - } - AstVariableDefinition.prototype = Object.create(AstNode.prototype); - AstVariableDefinition.prototype.visit = function (visitor) { - visitor.visitVariableDefinition(this); - }; - - function ExpressionBuilderVisitor() { - this.parts = []; - } - ExpressionBuilderVisitor.prototype = { - visitArgument: function (arg) { - this.parts.push('Math.max(', arg.min, ', Math.min(', - arg.max, ', src[srcOffset + ', arg.index, ']))'); - }, - visitVariable: function (variable) { - this.parts.push('v', variable.index); - }, - visitLiteral: function (literal) { - this.parts.push(literal.number); - }, - visitBinaryOperation: function (operation) { - this.parts.push('('); - operation.arg1.visit(this); - this.parts.push(' ', operation.op, ' '); - operation.arg2.visit(this); - this.parts.push(')'); - }, - visitVariableDefinition: function (definition) { - this.parts.push('var '); - definition.variable.visit(this); - this.parts.push(' = '); - definition.arg.visit(this); - this.parts.push(';'); - }, - visitMin: function (max) { - this.parts.push('Math.min('); - max.arg.visit(this); - this.parts.push(', ', max.max, ')'); - }, - toString: function () { - return this.parts.join(''); - } - }; - - function buildAddOperation(num1, num2) { - if (num2.type === 'literal' && num2.number === 0) { - // optimization: second operand is 0 - return num1; - } - if (num1.type === 'literal' && num1.number === 0) { - // optimization: first operand is 0 - return num2; - } - if (num2.type === 'literal' && num1.type === 'literal') { - // optimization: operands operand are literals - return new AstLiteral(num1.number + num2.number); - } - return new AstBinaryOperation('+', num1, num2, - num1.min + num2.min, num1.max + num2.max); - } - - function buildMulOperation(num1, num2) { - if (num2.type === 'literal') { - // optimization: second operands is a literal... - if (num2.number === 0) { - return new AstLiteral(0); // and it's 0 - } else if (num2.number === 1) { - return num1; // and it's 1 - } else if (num1.type === 'literal') { - // ... and first operands is a literal too - return new AstLiteral(num1.number * num2.number); - } - } - if (num1.type === 'literal') { - // optimization: first operands is a literal... - if (num1.number === 0) { - return new AstLiteral(0); // and it's 0 - } else if (num1.number === 1) { - return num2; // and it's 1 - } - } - var min = Math.min(num1.min * num2.min, num1.min * num2.max, - num1.max * num2.min, num1.max * num2.max); - var max = Math.max(num1.min * num2.min, num1.min * num2.max, - num1.max * num2.min, num1.max * num2.max); - return new AstBinaryOperation('*', num1, num2, min, max); - } - - function buildSubOperation(num1, num2) { - if (num2.type === 'literal') { - // optimization: second operands is a literal... - if (num2.number === 0) { - return num1; // ... and it's 0 - } else if (num1.type === 'literal') { - // ... and first operands is a literal too - return new AstLiteral(num1.number - num2.number); - } - } - if (num2.type === 'binary' && num2.op === '-' && - num1.type === 'literal' && num1.number === 1 && - num2.arg1.type === 'literal' && num2.arg1.number === 1) { - // optimization for case: 1 - (1 - x) - return num2.arg2; - } - return new AstBinaryOperation('-', num1, num2, - num1.min - num2.max, num1.max - num2.min); - } - - function buildMinOperation(num1, max) { - if (num1.min >= max) { - // optimization: num1 min value is not less than required max - return new AstLiteral(max); // just returning max - } else if (num1.max <= max) { - // optimization: num1 max value is not greater than required max - return num1; // just returning an argument - } - return new AstMin(num1, max); - } - - function PostScriptCompiler() {} - PostScriptCompiler.prototype = { - compile: function PostScriptCompiler_compile(code, domain, range) { - var stack = []; - var i, ii; - var instructions = []; - var inputSize = domain.length >> 1, outputSize = range.length >> 1; - var lastRegister = 0; - var n, j, min, max; - var num1, num2, ast1, ast2, tmpVar, item; - for (i = 0; i < inputSize; i++) { - stack.push(new AstArgument(i, domain[i * 2], domain[i * 2 + 1])); - } - - for (i = 0, ii = code.length; i < ii; i++) { - item = code[i]; - if (typeof item === 'number') { - stack.push(new AstLiteral(item)); - continue; - } - - switch (item) { - case 'add': - if (stack.length < 2) { - return null; - } - num2 = stack.pop(); - num1 = stack.pop(); - stack.push(buildAddOperation(num1, num2)); - break; - case 'cvr': - if (stack.length < 1) { - return null; - } - break; - case 'mul': - if (stack.length < 2) { - return null; - } - num2 = stack.pop(); - num1 = stack.pop(); - stack.push(buildMulOperation(num1, num2)); - break; - case 'sub': - if (stack.length < 2) { - return null; - } - num2 = stack.pop(); - num1 = stack.pop(); - stack.push(buildSubOperation(num1, num2)); - break; - case 'exch': - if (stack.length < 2) { - return null; - } - ast1 = stack.pop(); ast2 = stack.pop(); - stack.push(ast1, ast2); - break; - case 'pop': - if (stack.length < 1) { - return null; - } - stack.pop(); - break; - case 'index': - if (stack.length < 1) { - return null; - } - num1 = stack.pop(); - if (num1.type !== 'literal') { - return null; - } - n = num1.number; - if (n < 0 || (n|0) !== n || stack.length < n) { - return null; - } - ast1 = stack[stack.length - n - 1]; - if (ast1.type === 'literal' || ast1.type === 'var') { - stack.push(ast1); - break; - } - tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max); - stack[stack.length - n - 1] = tmpVar; - stack.push(tmpVar); - instructions.push(new AstVariableDefinition(tmpVar, ast1)); - break; - case 'dup': - if (stack.length < 1) { - return null; - } - if (typeof code[i + 1] === 'number' && code[i + 2] === 'gt' && - code[i + 3] === i + 7 && code[i + 4] === 'jz' && - code[i + 5] === 'pop' && code[i + 6] === code[i + 1]) { - // special case of the commands sequence for the min operation - num1 = stack.pop(); - stack.push(buildMinOperation(num1, code[i + 1])); - i += 6; - break; - } - ast1 = stack[stack.length - 1]; - if (ast1.type === 'literal' || ast1.type === 'var') { - // we don't have to save into intermediate variable a literal or - // variable. - stack.push(ast1); - break; - } - tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max); - stack[stack.length - 1] = tmpVar; - stack.push(tmpVar); - instructions.push(new AstVariableDefinition(tmpVar, ast1)); - break; - case 'roll': - if (stack.length < 2) { - return null; - } - num2 = stack.pop(); - num1 = stack.pop(); - if (num2.type !== 'literal' || num1.type !== 'literal') { - // both roll operands must be numbers - return null; - } - j = num2.number; - n = num1.number; - if (n <= 0 || (n|0) !== n || (j|0) !== j || stack.length < n) { - // ... and integers - return null; - } - j = ((j % n) + n) % n; - if (j === 0) { - break; // just skipping -- there are nothing to rotate - } - Array.prototype.push.apply(stack, - stack.splice(stack.length - n, n - j)); - break; - default: - return null; // unsupported operator - } - } - - if (stack.length !== outputSize) { - return null; - } - - var result = []; - instructions.forEach(function (instruction) { - var statementBuilder = new ExpressionBuilderVisitor(); - instruction.visit(statementBuilder); - result.push(statementBuilder.toString()); - }); - stack.forEach(function (expr, i) { - var statementBuilder = new ExpressionBuilderVisitor(); - expr.visit(statementBuilder); - var min = range[i * 2], max = range[i * 2 + 1]; - var out = [statementBuilder.toString()]; - if (min > expr.min) { - out.unshift('Math.max(', min, ', '); - out.push(')'); - } - if (max < expr.max) { - out.unshift('Math.min(', max, ', '); - out.push(')'); - } - out.unshift('dest[destOffset + ', i, '] = '); - out.push(';'); - result.push(out.join('')); - }); - return result.join('\n'); - } - }; - - return PostScriptCompiler; -})(); - - -var ColorSpace = (function ColorSpaceClosure() { - // Constructor should define this.numComps, this.defaultColor, this.name - function ColorSpace() { - error('should not call ColorSpace constructor'); - } - - ColorSpace.prototype = { - /** - * Converts the color value to the RGB color. The color components are - * located in the src array starting from the srcOffset. Returns the array - * of the rgb components, each value ranging from [0,255]. - */ - getRgb: function ColorSpace_getRgb(src, srcOffset) { - var rgb = new Uint8Array(3); - this.getRgbItem(src, srcOffset, rgb, 0); - return rgb; - }, - /** - * Converts the color value to the RGB color, similar to the getRgb method. - * The result placed into the dest array starting from the destOffset. - */ - getRgbItem: function ColorSpace_getRgbItem(src, srcOffset, - dest, destOffset) { - error('Should not call ColorSpace.getRgbItem'); - }, - /** - * Converts the specified number of the color values to the RGB colors. - * The colors are located in the src array starting from the srcOffset. - * The result is placed into the dest array starting from the destOffset. - * The src array items shall be in [0,2^bits) range, the dest array items - * will be in [0,255] range. alpha01 indicates how many alpha components - * there are in the dest array; it will be either 0 (RGB array) or 1 (RGBA - * array). - */ - getRgbBuffer: function ColorSpace_getRgbBuffer(src, srcOffset, count, - dest, destOffset, bits, - alpha01) { - error('Should not call ColorSpace.getRgbBuffer'); - }, - /** - * Determines the number of bytes required to store the result of the - * conversion done by the getRgbBuffer method. As in getRgbBuffer, - * |alpha01| is either 0 (RGB output) or 1 (RGBA output). - */ - getOutputLength: function ColorSpace_getOutputLength(inputLength, - alpha01) { - error('Should not call ColorSpace.getOutputLength'); - }, - /** - * Returns true if source data will be equal the result/output data. - */ - isPassthrough: function ColorSpace_isPassthrough(bits) { - return false; - }, - /** - * Fills in the RGB colors in the destination buffer. alpha01 indicates - * how many alpha components there are in the dest array; it will be either - * 0 (RGB array) or 1 (RGBA array). - */ - fillRgb: function ColorSpace_fillRgb(dest, originalWidth, - originalHeight, width, height, - actualHeight, bpc, comps, alpha01) { - var count = originalWidth * originalHeight; - var rgbBuf = null; - var numComponentColors = 1 << bpc; - var needsResizing = originalHeight !== height || originalWidth !== width; - var i, ii; - - if (this.isPassthrough(bpc)) { - rgbBuf = comps; - } else if (this.numComps === 1 && count > numComponentColors && - this.name !== 'DeviceGray' && this.name !== 'DeviceRGB') { - // Optimization: create a color map when there is just one component and - // we are converting more colors than the size of the color map. We - // don't build the map if the colorspace is gray or rgb since those - // methods are faster than building a map. This mainly offers big speed - // ups for indexed and alternate colorspaces. - // - // TODO it may be worth while to cache the color map. While running - // testing I never hit a cache so I will leave that out for now (perhaps - // we are reparsing colorspaces too much?). - var allColors = bpc <= 8 ? new Uint8Array(numComponentColors) : - new Uint16Array(numComponentColors); - var key; - for (i = 0; i < numComponentColors; i++) { - allColors[i] = i; - } - var colorMap = new Uint8Array(numComponentColors * 3); - this.getRgbBuffer(allColors, 0, numComponentColors, colorMap, 0, bpc, - /* alpha01 = */ 0); - - var destPos, rgbPos; - if (!needsResizing) { - // Fill in the RGB values directly into |dest|. - destPos = 0; - for (i = 0; i < count; ++i) { - key = comps[i] * 3; - dest[destPos++] = colorMap[key]; - dest[destPos++] = colorMap[key + 1]; - dest[destPos++] = colorMap[key + 2]; - destPos += alpha01; - } - } else { - rgbBuf = new Uint8Array(count * 3); - rgbPos = 0; - for (i = 0; i < count; ++i) { - key = comps[i] * 3; - rgbBuf[rgbPos++] = colorMap[key]; - rgbBuf[rgbPos++] = colorMap[key + 1]; - rgbBuf[rgbPos++] = colorMap[key + 2]; - } - } - } else { - if (!needsResizing) { - // Fill in the RGB values directly into |dest|. - this.getRgbBuffer(comps, 0, width * actualHeight, dest, 0, bpc, - alpha01); - } else { - rgbBuf = new Uint8Array(count * 3); - this.getRgbBuffer(comps, 0, count, rgbBuf, 0, bpc, - /* alpha01 = */ 0); - } - } - - if (rgbBuf) { - if (needsResizing) { - PDFImage.resize(rgbBuf, bpc, 3, originalWidth, originalHeight, width, - height, dest, alpha01); - } else { - rgbPos = 0; - destPos = 0; - for (i = 0, ii = width * actualHeight; i < ii; i++) { - dest[destPos++] = rgbBuf[rgbPos++]; - dest[destPos++] = rgbBuf[rgbPos++]; - dest[destPos++] = rgbBuf[rgbPos++]; - destPos += alpha01; - } - } - } - }, - /** - * True if the colorspace has components in the default range of [0, 1]. - * This should be true for all colorspaces except for lab color spaces - * which are [0,100], [-128, 127], [-128, 127]. - */ - usesZeroToOneRange: true - }; - - ColorSpace.parse = function ColorSpace_parse(cs, xref, res) { - var IR = ColorSpace.parseToIR(cs, xref, res); - if (IR instanceof AlternateCS) { - return IR; - } - return ColorSpace.fromIR(IR); - }; - - ColorSpace.fromIR = function ColorSpace_fromIR(IR) { - var name = isArray(IR) ? IR[0] : IR; - var whitePoint, blackPoint, gamma; - - switch (name) { - case 'DeviceGrayCS': - return this.singletons.gray; - case 'DeviceRgbCS': - return this.singletons.rgb; - case 'DeviceCmykCS': - return this.singletons.cmyk; - case 'CalGrayCS': - whitePoint = IR[1].WhitePoint; - blackPoint = IR[1].BlackPoint; - gamma = IR[1].Gamma; - return new CalGrayCS(whitePoint, blackPoint, gamma); - case 'CalRGBCS': - whitePoint = IR[1].WhitePoint; - blackPoint = IR[1].BlackPoint; - gamma = IR[1].Gamma; - var matrix = IR[1].Matrix; - return new CalRGBCS(whitePoint, blackPoint, gamma, matrix); - case 'PatternCS': - var basePatternCS = IR[1]; - if (basePatternCS) { - basePatternCS = ColorSpace.fromIR(basePatternCS); - } - return new PatternCS(basePatternCS); - case 'IndexedCS': - var baseIndexedCS = IR[1]; - var hiVal = IR[2]; - var lookup = IR[3]; - return new IndexedCS(ColorSpace.fromIR(baseIndexedCS), hiVal, lookup); - case 'AlternateCS': - var numComps = IR[1]; - var alt = IR[2]; - var tintFnIR = IR[3]; - - return new AlternateCS(numComps, ColorSpace.fromIR(alt), - PDFFunction.fromIR(tintFnIR)); - case 'LabCS': - whitePoint = IR[1].WhitePoint; - blackPoint = IR[1].BlackPoint; - var range = IR[1].Range; - return new LabCS(whitePoint, blackPoint, range); - default: - error('Unknown name ' + name); - } - return null; - }; - - ColorSpace.parseToIR = function ColorSpace_parseToIR(cs, xref, res) { - if (isName(cs)) { - var colorSpaces = res.get('ColorSpace'); - if (isDict(colorSpaces)) { - var refcs = colorSpaces.get(cs.name); - if (refcs) { - cs = refcs; - } - } - } - - cs = xref.fetchIfRef(cs); - var mode; - - if (isName(cs)) { - mode = cs.name; - this.mode = mode; - - switch (mode) { - case 'DeviceGray': - case 'G': - return 'DeviceGrayCS'; - case 'DeviceRGB': - case 'RGB': - return 'DeviceRgbCS'; - case 'DeviceCMYK': - case 'CMYK': - return 'DeviceCmykCS'; - case 'Pattern': - return ['PatternCS', null]; - default: - error('unrecognized colorspace ' + mode); - } - } else if (isArray(cs)) { - mode = cs[0].name; - this.mode = mode; - var numComps, params; - - switch (mode) { - case 'DeviceGray': - case 'G': - return 'DeviceGrayCS'; - case 'DeviceRGB': - case 'RGB': - return 'DeviceRgbCS'; - case 'DeviceCMYK': - case 'CMYK': - return 'DeviceCmykCS'; - case 'CalGray': - params = cs[1].getAll(); - return ['CalGrayCS', params]; - case 'CalRGB': - params = cs[1].getAll(); - return ['CalRGBCS', params]; - case 'ICCBased': - var stream = xref.fetchIfRef(cs[1]); - var dict = stream.dict; - numComps = dict.get('N'); - if (numComps === 1) { - return 'DeviceGrayCS'; - } else if (numComps === 3) { - return 'DeviceRgbCS'; - } else if (numComps === 4) { - return 'DeviceCmykCS'; - } - break; - case 'Pattern': - var basePatternCS = cs[1]; - if (basePatternCS) { - basePatternCS = ColorSpace.parseToIR(basePatternCS, xref, res); - } - return ['PatternCS', basePatternCS]; - case 'Indexed': - case 'I': - var baseIndexedCS = ColorSpace.parseToIR(cs[1], xref, res); - var hiVal = cs[2] + 1; - var lookup = xref.fetchIfRef(cs[3]); - if (isStream(lookup)) { - lookup = lookup.getBytes(); - } - return ['IndexedCS', baseIndexedCS, hiVal, lookup]; - case 'Separation': - case 'DeviceN': - var name = cs[1]; - numComps = 1; - if (isName(name)) { - numComps = 1; - } else if (isArray(name)) { - numComps = name.length; - } - var alt = ColorSpace.parseToIR(cs[2], xref, res); - var tintFnIR = PDFFunction.getIR(xref, xref.fetchIfRef(cs[3])); - return ['AlternateCS', numComps, alt, tintFnIR]; - case 'Lab': - params = cs[1].getAll(); - return ['LabCS', params]; - default: - error('unimplemented color space object "' + mode + '"'); - } - } else { - error('unrecognized color space object: "' + cs + '"'); - } - return null; - }; - /** - * Checks if a decode map matches the default decode map for a color space. - * This handles the general decode maps where there are two values per - * component. e.g. [0, 1, 0, 1, 0, 1] for a RGB color. - * This does not handle Lab, Indexed, or Pattern decode maps since they are - * slightly different. - * @param {Array} decode Decode map (usually from an image). - * @param {Number} n Number of components the color space has. - */ - ColorSpace.isDefaultDecode = function ColorSpace_isDefaultDecode(decode, n) { - if (!decode) { - return true; - } - - if (n * 2 !== decode.length) { - warn('The decode map is not the correct length'); - return true; - } - for (var i = 0, ii = decode.length; i < ii; i += 2) { - if (decode[i] !== 0 || decode[i + 1] !== 1) { - return false; - } - } - return true; - }; - - ColorSpace.singletons = { - get gray() { - return shadow(this, 'gray', new DeviceGrayCS()); - }, - get rgb() { - return shadow(this, 'rgb', new DeviceRgbCS()); - }, - get cmyk() { - return shadow(this, 'cmyk', new DeviceCmykCS()); - } - }; - - return ColorSpace; -})(); - -/** - * Alternate color space handles both Separation and DeviceN color spaces. A - * Separation color space is actually just a DeviceN with one color component. - * Both color spaces use a tinting function to convert colors to a base color - * space. - */ -var AlternateCS = (function AlternateCSClosure() { - function AlternateCS(numComps, base, tintFn) { - this.name = 'Alternate'; - this.numComps = numComps; - this.defaultColor = new Float32Array(numComps); - for (var i = 0; i < numComps; ++i) { - this.defaultColor[i] = 1; - } - this.base = base; - this.tintFn = tintFn; - this.tmpBuf = new Float32Array(base.numComps); - } - - AlternateCS.prototype = { - getRgb: ColorSpace.prototype.getRgb, - getRgbItem: function AlternateCS_getRgbItem(src, srcOffset, - dest, destOffset) { - var tmpBuf = this.tmpBuf; - this.tintFn(src, srcOffset, tmpBuf, 0); - this.base.getRgbItem(tmpBuf, 0, dest, destOffset); - }, - getRgbBuffer: function AlternateCS_getRgbBuffer(src, srcOffset, count, - dest, destOffset, bits, - alpha01) { - var tintFn = this.tintFn; - var base = this.base; - var scale = 1 / ((1 << bits) - 1); - var baseNumComps = base.numComps; - var usesZeroToOneRange = base.usesZeroToOneRange; - var isPassthrough = (base.isPassthrough(8) || !usesZeroToOneRange) && - alpha01 === 0; - var pos = isPassthrough ? destOffset : 0; - var baseBuf = isPassthrough ? dest : new Uint8Array(baseNumComps * count); - var numComps = this.numComps; - - var scaled = new Float32Array(numComps); - var tinted = new Float32Array(baseNumComps); - var i, j; - if (usesZeroToOneRange) { - for (i = 0; i < count; i++) { - for (j = 0; j < numComps; j++) { - scaled[j] = src[srcOffset++] * scale; - } - tintFn(scaled, 0, tinted, 0); - for (j = 0; j < baseNumComps; j++) { - baseBuf[pos++] = tinted[j] * 255; - } - } - } else { - for (i = 0; i < count; i++) { - for (j = 0; j < numComps; j++) { - scaled[j] = src[srcOffset++] * scale; - } - tintFn(scaled, 0, tinted, 0); - base.getRgbItem(tinted, 0, baseBuf, pos); - pos += baseNumComps; - } - } - if (!isPassthrough) { - base.getRgbBuffer(baseBuf, 0, count, dest, destOffset, 8, alpha01); - } - }, - getOutputLength: function AlternateCS_getOutputLength(inputLength, - alpha01) { - return this.base.getOutputLength(inputLength * - this.base.numComps / this.numComps, - alpha01); - }, - isPassthrough: ColorSpace.prototype.isPassthrough, - fillRgb: ColorSpace.prototype.fillRgb, - isDefaultDecode: function AlternateCS_isDefaultDecode(decodeMap) { - return ColorSpace.isDefaultDecode(decodeMap, this.numComps); - }, - usesZeroToOneRange: true - }; - - return AlternateCS; -})(); - -var PatternCS = (function PatternCSClosure() { - function PatternCS(baseCS) { - this.name = 'Pattern'; - this.base = baseCS; - } - PatternCS.prototype = {}; - - return PatternCS; -})(); - -var IndexedCS = (function IndexedCSClosure() { - function IndexedCS(base, highVal, lookup) { - this.name = 'Indexed'; - this.numComps = 1; - this.defaultColor = new Uint8Array([0]); - this.base = base; - this.highVal = highVal; - - var baseNumComps = base.numComps; - var length = baseNumComps * highVal; - var lookupArray; - - if (isStream(lookup)) { - lookupArray = new Uint8Array(length); - var bytes = lookup.getBytes(length); - lookupArray.set(bytes); - } else if (isString(lookup)) { - lookupArray = new Uint8Array(length); - for (var i = 0; i < length; ++i) { - lookupArray[i] = lookup.charCodeAt(i); - } - } else if (lookup instanceof Uint8Array || lookup instanceof Array) { - lookupArray = lookup; - } else { - error('Unrecognized lookup table: ' + lookup); - } - this.lookup = lookupArray; - } - - IndexedCS.prototype = { - getRgb: ColorSpace.prototype.getRgb, - getRgbItem: function IndexedCS_getRgbItem(src, srcOffset, - dest, destOffset) { - var numComps = this.base.numComps; - var start = src[srcOffset] * numComps; - this.base.getRgbItem(this.lookup, start, dest, destOffset); - }, - getRgbBuffer: function IndexedCS_getRgbBuffer(src, srcOffset, count, - dest, destOffset, bits, - alpha01) { - var base = this.base; - var numComps = base.numComps; - var outputDelta = base.getOutputLength(numComps, alpha01); - var lookup = this.lookup; - - for (var i = 0; i < count; ++i) { - var lookupPos = src[srcOffset++] * numComps; - base.getRgbBuffer(lookup, lookupPos, 1, dest, destOffset, 8, alpha01); - destOffset += outputDelta; - } - }, - getOutputLength: function IndexedCS_getOutputLength(inputLength, alpha01) { - return this.base.getOutputLength(inputLength * this.base.numComps, - alpha01); - }, - isPassthrough: ColorSpace.prototype.isPassthrough, - fillRgb: ColorSpace.prototype.fillRgb, - isDefaultDecode: function IndexedCS_isDefaultDecode(decodeMap) { - // indexed color maps shouldn't be changed - return true; - }, - usesZeroToOneRange: true - }; - return IndexedCS; -})(); - -var DeviceGrayCS = (function DeviceGrayCSClosure() { - function DeviceGrayCS() { - this.name = 'DeviceGray'; - this.numComps = 1; - this.defaultColor = new Float32Array([0]); - } - - DeviceGrayCS.prototype = { - getRgb: ColorSpace.prototype.getRgb, - getRgbItem: function DeviceGrayCS_getRgbItem(src, srcOffset, - dest, destOffset) { - var c = (src[srcOffset] * 255) | 0; - c = c < 0 ? 0 : c > 255 ? 255 : c; - dest[destOffset] = dest[destOffset + 1] = dest[destOffset + 2] = c; - }, - getRgbBuffer: function DeviceGrayCS_getRgbBuffer(src, srcOffset, count, - dest, destOffset, bits, - alpha01) { - var scale = 255 / ((1 << bits) - 1); - var j = srcOffset, q = destOffset; - for (var i = 0; i < count; ++i) { - var c = (scale * src[j++]) | 0; - dest[q++] = c; - dest[q++] = c; - dest[q++] = c; - q += alpha01; - } - }, - getOutputLength: function DeviceGrayCS_getOutputLength(inputLength, - alpha01) { - return inputLength * (3 + alpha01); - }, - isPassthrough: ColorSpace.prototype.isPassthrough, - fillRgb: ColorSpace.prototype.fillRgb, - isDefaultDecode: function DeviceGrayCS_isDefaultDecode(decodeMap) { - return ColorSpace.isDefaultDecode(decodeMap, this.numComps); - }, - usesZeroToOneRange: true - }; - return DeviceGrayCS; -})(); - -var DeviceRgbCS = (function DeviceRgbCSClosure() { - function DeviceRgbCS() { - this.name = 'DeviceRGB'; - this.numComps = 3; - this.defaultColor = new Float32Array([0, 0, 0]); - } - DeviceRgbCS.prototype = { - getRgb: ColorSpace.prototype.getRgb, - getRgbItem: function DeviceRgbCS_getRgbItem(src, srcOffset, - dest, destOffset) { - var r = (src[srcOffset] * 255) | 0; - var g = (src[srcOffset + 1] * 255) | 0; - var b = (src[srcOffset + 2] * 255) | 0; - dest[destOffset] = r < 0 ? 0 : r > 255 ? 255 : r; - dest[destOffset + 1] = g < 0 ? 0 : g > 255 ? 255 : g; - dest[destOffset + 2] = b < 0 ? 0 : b > 255 ? 255 : b; - }, - getRgbBuffer: function DeviceRgbCS_getRgbBuffer(src, srcOffset, count, - dest, destOffset, bits, - alpha01) { - if (bits === 8 && alpha01 === 0) { - dest.set(src.subarray(srcOffset, srcOffset + count * 3), destOffset); - return; - } - var scale = 255 / ((1 << bits) - 1); - var j = srcOffset, q = destOffset; - for (var i = 0; i < count; ++i) { - dest[q++] = (scale * src[j++]) | 0; - dest[q++] = (scale * src[j++]) | 0; - dest[q++] = (scale * src[j++]) | 0; - q += alpha01; - } - }, - getOutputLength: function DeviceRgbCS_getOutputLength(inputLength, - alpha01) { - return (inputLength * (3 + alpha01) / 3) | 0; - }, - isPassthrough: function DeviceRgbCS_isPassthrough(bits) { - return bits === 8; - }, - fillRgb: ColorSpace.prototype.fillRgb, - isDefaultDecode: function DeviceRgbCS_isDefaultDecode(decodeMap) { - return ColorSpace.isDefaultDecode(decodeMap, this.numComps); - }, - usesZeroToOneRange: true - }; - return DeviceRgbCS; -})(); - -var DeviceCmykCS = (function DeviceCmykCSClosure() { - // The coefficients below was found using numerical analysis: the method of - // steepest descent for the sum((f_i - color_value_i)^2) for r/g/b colors, - // where color_value is the tabular value from the table of sampled RGB colors - // from CMYK US Web Coated (SWOP) colorspace, and f_i is the corresponding - // CMYK color conversion using the estimation below: - // f(A, B,.. N) = Acc+Bcm+Ccy+Dck+c+Fmm+Gmy+Hmk+Im+Jyy+Kyk+Ly+Mkk+Nk+255 - function convertToRgb(src, srcOffset, srcScale, dest, destOffset) { - var c = src[srcOffset + 0] * srcScale; - var m = src[srcOffset + 1] * srcScale; - var y = src[srcOffset + 2] * srcScale; - var k = src[srcOffset + 3] * srcScale; - - var r = - (c * (-4.387332384609988 * c + 54.48615194189176 * m + - 18.82290502165302 * y + 212.25662451639585 * k + - -285.2331026137004) + - m * (1.7149763477362134 * m - 5.6096736904047315 * y + - -17.873870861415444 * k - 5.497006427196366) + - y * (-2.5217340131683033 * y - 21.248923337353073 * k + - 17.5119270841813) + - k * (-21.86122147463605 * k - 189.48180835922747) + 255) | 0; - var g = - (c * (8.841041422036149 * c + 60.118027045597366 * m + - 6.871425592049007 * y + 31.159100130055922 * k + - -79.2970844816548) + - m * (-15.310361306967817 * m + 17.575251261109482 * y + - 131.35250912493976 * k - 190.9453302588951) + - y * (4.444339102852739 * y + 9.8632861493405 * k - 24.86741582555878) + - k * (-20.737325471181034 * k - 187.80453709719578) + 255) | 0; - var b = - (c * (0.8842522430003296 * c + 8.078677503112928 * m + - 30.89978309703729 * y - 0.23883238689178934 * k + - -14.183576799673286) + - m * (10.49593273432072 * m + 63.02378494754052 * y + - 50.606957656360734 * k - 112.23884253719248) + - y * (0.03296041114873217 * y + 115.60384449646641 * k + - -193.58209356861505) + - k * (-22.33816807309886 * k - 180.12613974708367) + 255) | 0; - - dest[destOffset] = r > 255 ? 255 : r < 0 ? 0 : r; - dest[destOffset + 1] = g > 255 ? 255 : g < 0 ? 0 : g; - dest[destOffset + 2] = b > 255 ? 255 : b < 0 ? 0 : b; - } - - function DeviceCmykCS() { - this.name = 'DeviceCMYK'; - this.numComps = 4; - this.defaultColor = new Float32Array([0, 0, 0, 1]); - } - DeviceCmykCS.prototype = { - getRgb: ColorSpace.prototype.getRgb, - getRgbItem: function DeviceCmykCS_getRgbItem(src, srcOffset, - dest, destOffset) { - convertToRgb(src, srcOffset, 1, dest, destOffset); - }, - getRgbBuffer: function DeviceCmykCS_getRgbBuffer(src, srcOffset, count, - dest, destOffset, bits, - alpha01) { - var scale = 1 / ((1 << bits) - 1); - for (var i = 0; i < count; i++) { - convertToRgb(src, srcOffset, scale, dest, destOffset); - srcOffset += 4; - destOffset += 3 + alpha01; - } - }, - getOutputLength: function DeviceCmykCS_getOutputLength(inputLength, - alpha01) { - return (inputLength / 4 * (3 + alpha01)) | 0; - }, - isPassthrough: ColorSpace.prototype.isPassthrough, - fillRgb: ColorSpace.prototype.fillRgb, - isDefaultDecode: function DeviceCmykCS_isDefaultDecode(decodeMap) { - return ColorSpace.isDefaultDecode(decodeMap, this.numComps); - }, - usesZeroToOneRange: true - }; - - return DeviceCmykCS; -})(); - -// -// CalGrayCS: Based on "PDF Reference, Sixth Ed", p.245 -// -var CalGrayCS = (function CalGrayCSClosure() { - function CalGrayCS(whitePoint, blackPoint, gamma) { - this.name = 'CalGray'; - this.numComps = 1; - this.defaultColor = new Float32Array([0]); - - if (!whitePoint) { - error('WhitePoint missing - required for color space CalGray'); - } - blackPoint = blackPoint || [0, 0, 0]; - gamma = gamma || 1; - - // Translate arguments to spec variables. - this.XW = whitePoint[0]; - this.YW = whitePoint[1]; - this.ZW = whitePoint[2]; - - this.XB = blackPoint[0]; - this.YB = blackPoint[1]; - this.ZB = blackPoint[2]; - - this.G = gamma; - - // Validate variables as per spec. - if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) { - error('Invalid WhitePoint components for ' + this.name + - ', no fallback available'); - } - - if (this.XB < 0 || this.YB < 0 || this.ZB < 0) { - info('Invalid BlackPoint for ' + this.name + ', falling back to default'); - this.XB = this.YB = this.ZB = 0; - } - - if (this.XB !== 0 || this.YB !== 0 || this.ZB !== 0) { - warn(this.name + ', BlackPoint: XB: ' + this.XB + ', YB: ' + this.YB + - ', ZB: ' + this.ZB + ', only default values are supported.'); - } - - if (this.G < 1) { - info('Invalid Gamma: ' + this.G + ' for ' + this.name + - ', falling back to default'); - this.G = 1; - } - } - - function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) { - // A represents a gray component of a calibrated gray space. - // A <---> AG in the spec - var A = src[srcOffset] * scale; - var AG = Math.pow(A, cs.G); - - // Computes L as per spec. ( = cs.YW * AG ) - // Except if other than default BlackPoint values are used. - var L = cs.YW * AG; - // http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html, Ch 4. - // Convert values to rgb range [0, 255]. - var val = Math.max(295.8 * Math.pow(L, 0.333333333333333333) - 40.8, 0) | 0; - dest[destOffset] = val; - dest[destOffset + 1] = val; - dest[destOffset + 2] = val; - } - - CalGrayCS.prototype = { - getRgb: ColorSpace.prototype.getRgb, - getRgbItem: function CalGrayCS_getRgbItem(src, srcOffset, - dest, destOffset) { - convertToRgb(this, src, srcOffset, dest, destOffset, 1); - }, - getRgbBuffer: function CalGrayCS_getRgbBuffer(src, srcOffset, count, - dest, destOffset, bits, - alpha01) { - var scale = 1 / ((1 << bits) - 1); - - for (var i = 0; i < count; ++i) { - convertToRgb(this, src, srcOffset, dest, destOffset, scale); - srcOffset += 1; - destOffset += 3 + alpha01; - } - }, - getOutputLength: function CalGrayCS_getOutputLength(inputLength, alpha01) { - return inputLength * (3 + alpha01); - }, - isPassthrough: ColorSpace.prototype.isPassthrough, - fillRgb: ColorSpace.prototype.fillRgb, - isDefaultDecode: function CalGrayCS_isDefaultDecode(decodeMap) { - return ColorSpace.isDefaultDecode(decodeMap, this.numComps); - }, - usesZeroToOneRange: true - }; - return CalGrayCS; -})(); - -// -// CalRGBCS: Based on "PDF Reference, Sixth Ed", p.247 -// -var CalRGBCS = (function CalRGBCSClosure() { - - // See http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html for these - // matrices. - var BRADFORD_SCALE_MATRIX = new Float32Array([ - 0.8951, 0.2664, -0.1614, - -0.7502, 1.7135, 0.0367, - 0.0389, -0.0685, 1.0296]); - - var BRADFORD_SCALE_INVERSE_MATRIX = new Float32Array([ - 0.9869929, -0.1470543, 0.1599627, - 0.4323053, 0.5183603, 0.0492912, - -0.0085287, 0.0400428, 0.9684867]); - - // See http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html. - var SRGB_D65_XYZ_TO_RGB_MATRIX = new Float32Array([ - 3.2404542, -1.5371385, -0.4985314, - -0.9692660, 1.8760108, 0.0415560, - 0.0556434, -0.2040259, 1.0572252]); - - var FLAT_WHITEPOINT_MATRIX = new Float32Array([1, 1, 1]); - - var tempNormalizeMatrix = new Float32Array(3); - var tempConvertMatrix1 = new Float32Array(3); - var tempConvertMatrix2 = new Float32Array(3); - - var DECODE_L_CONSTANT = Math.pow(((8 + 16) / 116), 3) / 8.0; - - function CalRGBCS(whitePoint, blackPoint, gamma, matrix) { - this.name = 'CalRGB'; - this.numComps = 3; - this.defaultColor = new Float32Array(3); - - if (!whitePoint) { - error('WhitePoint missing - required for color space CalRGB'); - } - blackPoint = blackPoint || new Float32Array(3); - gamma = gamma || new Float32Array([1, 1, 1]); - matrix = matrix || new Float32Array([1, 0, 0, 0, 1, 0, 0, 0, 1]); - - // Translate arguments to spec variables. - var XW = whitePoint[0]; - var YW = whitePoint[1]; - var ZW = whitePoint[2]; - this.whitePoint = whitePoint; - - var XB = blackPoint[0]; - var YB = blackPoint[1]; - var ZB = blackPoint[2]; - this.blackPoint = blackPoint; - - this.GR = gamma[0]; - this.GG = gamma[1]; - this.GB = gamma[2]; - - this.MXA = matrix[0]; - this.MYA = matrix[1]; - this.MZA = matrix[2]; - this.MXB = matrix[3]; - this.MYB = matrix[4]; - this.MZB = matrix[5]; - this.MXC = matrix[6]; - this.MYC = matrix[7]; - this.MZC = matrix[8]; - - // Validate variables as per spec. - if (XW < 0 || ZW < 0 || YW !== 1) { - error('Invalid WhitePoint components for ' + this.name + - ', no fallback available'); - } - - if (XB < 0 || YB < 0 || ZB < 0) { - info('Invalid BlackPoint for ' + this.name + ' [' + XB + ', ' + YB + - ', ' + ZB + '], falling back to default'); - this.blackPoint = new Float32Array(3); - } - - if (this.GR < 0 || this.GG < 0 || this.GB < 0) { - info('Invalid Gamma [' + this.GR + ', ' + this.GG + ', ' + this.GB + - '] for ' + this.name + ', falling back to default'); - this.GR = this.GG = this.GB = 1; - } - - if (this.MXA < 0 || this.MYA < 0 || this.MZA < 0 || - this.MXB < 0 || this.MYB < 0 || this.MZB < 0 || - this.MXC < 0 || this.MYC < 0 || this.MZC < 0) { - info('Invalid Matrix for ' + this.name + ' [' + - this.MXA + ', ' + this.MYA + ', ' + this.MZA + - this.MXB + ', ' + this.MYB + ', ' + this.MZB + - this.MXC + ', ' + this.MYC + ', ' + this.MZC + - '], falling back to default'); - this.MXA = this.MYB = this.MZC = 1; - this.MXB = this.MYA = this.MZA = this.MXC = this.MYC = this.MZB = 0; - } - } - - function matrixProduct(a, b, result) { - result[0] = a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; - result[1] = a[3] * b[0] + a[4] * b[1] + a[5] * b[2]; - result[2] = a[6] * b[0] + a[7] * b[1] + a[8] * b[2]; - } - - function convertToFlat(sourceWhitePoint, LMS, result) { - result[0] = LMS[0] * 1 / sourceWhitePoint[0]; - result[1] = LMS[1] * 1 / sourceWhitePoint[1]; - result[2] = LMS[2] * 1 / sourceWhitePoint[2]; - } - - function convertToD65(sourceWhitePoint, LMS, result) { - var D65X = 0.95047; - var D65Y = 1; - var D65Z = 1.08883; - - result[0] = LMS[0] * D65X / sourceWhitePoint[0]; - result[1] = LMS[1] * D65Y / sourceWhitePoint[1]; - result[2] = LMS[2] * D65Z / sourceWhitePoint[2]; - } - - function sRGBTransferFunction(color) { - // See http://en.wikipedia.org/wiki/SRGB. - if (color <= 0.0031308){ - return adjustToRange(0, 1, 12.92 * color); - } - - return adjustToRange(0, 1, (1 + 0.055) * Math.pow(color, 1 / 2.4) - 0.055); - } - - function adjustToRange(min, max, value) { - return Math.max(min, Math.min(max, value)); - } - - function decodeL(L) { - if (L < 0) { - return -decodeL(-L); - } - - if (L > 8.0) { - return Math.pow(((L + 16) / 116), 3); - } - - return L * DECODE_L_CONSTANT; - } - - function compensateBlackPoint(sourceBlackPoint, XYZ_Flat, result) { - - // In case the blackPoint is already the default blackPoint then there is - // no need to do compensation. - if (sourceBlackPoint[0] === 0 && - sourceBlackPoint[1] === 0 && - sourceBlackPoint[2] === 0) { - result[0] = XYZ_Flat[0]; - result[1] = XYZ_Flat[1]; - result[2] = XYZ_Flat[2]; - return; - } - - // For the blackPoint calculation details, please see - // http://www.adobe.com/content/dam/Adobe/en/devnet/photoshop/sdk/ - // AdobeBPC.pdf. - // The destination blackPoint is the default blackPoint [0, 0, 0]. - var zeroDecodeL = decodeL(0); - - var X_DST = zeroDecodeL; - var X_SRC = decodeL(sourceBlackPoint[0]); - - var Y_DST = zeroDecodeL; - var Y_SRC = decodeL(sourceBlackPoint[1]); - - var Z_DST = zeroDecodeL; - var Z_SRC = decodeL(sourceBlackPoint[2]); - - var X_Scale = (1 - X_DST) / (1 - X_SRC); - var X_Offset = 1 - X_Scale; - - var Y_Scale = (1 - Y_DST) / (1 - Y_SRC); - var Y_Offset = 1 - Y_Scale; - - var Z_Scale = (1 - Z_DST) / (1 - Z_SRC); - var Z_Offset = 1 - Z_Scale; - - result[0] = XYZ_Flat[0] * X_Scale + X_Offset; - result[1] = XYZ_Flat[1] * Y_Scale + Y_Offset; - result[2] = XYZ_Flat[2] * Z_Scale + Z_Offset; - } - - function normalizeWhitePointToFlat(sourceWhitePoint, XYZ_In, result) { - - // In case the whitePoint is already flat then there is no need to do - // normalization. - if (sourceWhitePoint[0] === 1 && sourceWhitePoint[2] === 1) { - result[0] = XYZ_In[0]; - result[1] = XYZ_In[1]; - result[2] = XYZ_In[2]; - return; - } - - var LMS = result; - matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS); - - var LMS_Flat = tempNormalizeMatrix; - convertToFlat(sourceWhitePoint, LMS, LMS_Flat); - - matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_Flat, result); - } - - function normalizeWhitePointToD65(sourceWhitePoint, XYZ_In, result) { - - var LMS = result; - matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS); - - var LMS_D65 = tempNormalizeMatrix; - convertToD65(sourceWhitePoint, LMS, LMS_D65); - - matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_D65, result); - } - - function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) { - // A, B and C represent a red, green and blue components of a calibrated - // rgb space. - var A = adjustToRange(0, 1, src[srcOffset] * scale); - var B = adjustToRange(0, 1, src[srcOffset + 1] * scale); - var C = adjustToRange(0, 1, src[srcOffset + 2] * scale); - - // A <---> AGR in the spec - // B <---> BGG in the spec - // C <---> CGB in the spec - var AGR = Math.pow(A, cs.GR); - var BGG = Math.pow(B, cs.GG); - var CGB = Math.pow(C, cs.GB); - - // Computes intermediate variables L, M, N as per spec. - // To decode X, Y, Z values map L, M, N directly to them. - var X = cs.MXA * AGR + cs.MXB * BGG + cs.MXC * CGB; - var Y = cs.MYA * AGR + cs.MYB * BGG + cs.MYC * CGB; - var Z = cs.MZA * AGR + cs.MZB * BGG + cs.MZC * CGB; - - // The following calculations are based on this document: - // http://www.adobe.com/content/dam/Adobe/en/devnet/photoshop/sdk/ - // AdobeBPC.pdf. - var XYZ = tempConvertMatrix1; - XYZ[0] = X; - XYZ[1] = Y; - XYZ[2] = Z; - var XYZ_Flat = tempConvertMatrix2; - - normalizeWhitePointToFlat(cs.whitePoint, XYZ, XYZ_Flat); - - var XYZ_Black = tempConvertMatrix1; - compensateBlackPoint(cs.blackPoint, XYZ_Flat, XYZ_Black); - - var XYZ_D65 = tempConvertMatrix2; - normalizeWhitePointToD65(FLAT_WHITEPOINT_MATRIX, XYZ_Black, XYZ_D65); - - var SRGB = tempConvertMatrix1; - matrixProduct(SRGB_D65_XYZ_TO_RGB_MATRIX, XYZ_D65, SRGB); - - var sR = sRGBTransferFunction(SRGB[0]); - var sG = sRGBTransferFunction(SRGB[1]); - var sB = sRGBTransferFunction(SRGB[2]); - - // Convert the values to rgb range [0, 255]. - dest[destOffset] = Math.round(sR * 255); - dest[destOffset + 1] = Math.round(sG * 255); - dest[destOffset + 2] = Math.round(sB * 255); - } - - CalRGBCS.prototype = { - getRgb: function CalRGBCS_getRgb(src, srcOffset) { - var rgb = new Uint8Array(3); - this.getRgbItem(src, srcOffset, rgb, 0); - return rgb; - }, - getRgbItem: function CalRGBCS_getRgbItem(src, srcOffset, - dest, destOffset) { - convertToRgb(this, src, srcOffset, dest, destOffset, 1); - }, - getRgbBuffer: function CalRGBCS_getRgbBuffer(src, srcOffset, count, - dest, destOffset, bits, - alpha01) { - var scale = 1 / ((1 << bits) - 1); - - for (var i = 0; i < count; ++i) { - convertToRgb(this, src, srcOffset, dest, destOffset, scale); - srcOffset += 3; - destOffset += 3 + alpha01; - } - }, - getOutputLength: function CalRGBCS_getOutputLength(inputLength, alpha01) { - return (inputLength * (3 + alpha01) / 3) | 0; - }, - isPassthrough: ColorSpace.prototype.isPassthrough, - fillRgb: ColorSpace.prototype.fillRgb, - isDefaultDecode: function CalRGBCS_isDefaultDecode(decodeMap) { - return ColorSpace.isDefaultDecode(decodeMap, this.numComps); - }, - usesZeroToOneRange: true - }; - return CalRGBCS; -})(); - -// -// LabCS: Based on "PDF Reference, Sixth Ed", p.250 -// -var LabCS = (function LabCSClosure() { - function LabCS(whitePoint, blackPoint, range) { - this.name = 'Lab'; - this.numComps = 3; - this.defaultColor = new Float32Array([0, 0, 0]); - - if (!whitePoint) { - error('WhitePoint missing - required for color space Lab'); - } - blackPoint = blackPoint || [0, 0, 0]; - range = range || [-100, 100, -100, 100]; - - // Translate args to spec variables - this.XW = whitePoint[0]; - this.YW = whitePoint[1]; - this.ZW = whitePoint[2]; - this.amin = range[0]; - this.amax = range[1]; - this.bmin = range[2]; - this.bmax = range[3]; - - // These are here just for completeness - the spec doesn't offer any - // formulas that use BlackPoint in Lab - this.XB = blackPoint[0]; - this.YB = blackPoint[1]; - this.ZB = blackPoint[2]; - - // Validate vars as per spec - if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) { - error('Invalid WhitePoint components, no fallback available'); - } - - if (this.XB < 0 || this.YB < 0 || this.ZB < 0) { - info('Invalid BlackPoint, falling back to default'); - this.XB = this.YB = this.ZB = 0; - } - - if (this.amin > this.amax || this.bmin > this.bmax) { - info('Invalid Range, falling back to defaults'); - this.amin = -100; - this.amax = 100; - this.bmin = -100; - this.bmax = 100; - } - } - - // Function g(x) from spec - function fn_g(x) { - if (x >= 6 / 29) { - return x * x * x; - } else { - return (108 / 841) * (x - 4 / 29); - } - } - - function decode(value, high1, low2, high2) { - return low2 + (value) * (high2 - low2) / (high1); - } - - // If decoding is needed maxVal should be 2^bits per component - 1. - function convertToRgb(cs, src, srcOffset, maxVal, dest, destOffset) { - // XXX: Lab input is in the range of [0, 100], [amin, amax], [bmin, bmax] - // not the usual [0, 1]. If a command like setFillColor is used the src - // values will already be within the correct range. However, if we are - // converting an image we have to map the values to the correct range given - // above. - // Ls,as,bs <---> L*,a*,b* in the spec - var Ls = src[srcOffset]; - var as = src[srcOffset + 1]; - var bs = src[srcOffset + 2]; - if (maxVal !== false) { - Ls = decode(Ls, maxVal, 0, 100); - as = decode(as, maxVal, cs.amin, cs.amax); - bs = decode(bs, maxVal, cs.bmin, cs.bmax); - } - - // Adjust limits of 'as' and 'bs' - as = as > cs.amax ? cs.amax : as < cs.amin ? cs.amin : as; - bs = bs > cs.bmax ? cs.bmax : bs < cs.bmin ? cs.bmin : bs; - - // Computes intermediate variables X,Y,Z as per spec - var M = (Ls + 16) / 116; - var L = M + (as / 500); - var N = M - (bs / 200); - - var X = cs.XW * fn_g(L); - var Y = cs.YW * fn_g(M); - var Z = cs.ZW * fn_g(N); - - var r, g, b; - // Using different conversions for D50 and D65 white points, - // per http://www.color.org/srgb.pdf - if (cs.ZW < 1) { - // Assuming D50 (X=0.9642, Y=1.00, Z=0.8249) - r = X * 3.1339 + Y * -1.6170 + Z * -0.4906; - g = X * -0.9785 + Y * 1.9160 + Z * 0.0333; - b = X * 0.0720 + Y * -0.2290 + Z * 1.4057; - } else { - // Assuming D65 (X=0.9505, Y=1.00, Z=1.0888) - r = X * 3.2406 + Y * -1.5372 + Z * -0.4986; - g = X * -0.9689 + Y * 1.8758 + Z * 0.0415; - b = X * 0.0557 + Y * -0.2040 + Z * 1.0570; - } - // clamp color values to [0,1] range then convert to [0,255] range. - dest[destOffset] = r <= 0 ? 0 : r >= 1 ? 255 : Math.sqrt(r) * 255 | 0; - dest[destOffset + 1] = g <= 0 ? 0 : g >= 1 ? 255 : Math.sqrt(g) * 255 | 0; - dest[destOffset + 2] = b <= 0 ? 0 : b >= 1 ? 255 : Math.sqrt(b) * 255 | 0; - } - - LabCS.prototype = { - getRgb: ColorSpace.prototype.getRgb, - getRgbItem: function LabCS_getRgbItem(src, srcOffset, dest, destOffset) { - convertToRgb(this, src, srcOffset, false, dest, destOffset); - }, - getRgbBuffer: function LabCS_getRgbBuffer(src, srcOffset, count, - dest, destOffset, bits, - alpha01) { - var maxVal = (1 << bits) - 1; - for (var i = 0; i < count; i++) { - convertToRgb(this, src, srcOffset, maxVal, dest, destOffset); - srcOffset += 3; - destOffset += 3 + alpha01; - } - }, - getOutputLength: function LabCS_getOutputLength(inputLength, alpha01) { - return (inputLength * (3 + alpha01) / 3) | 0; - }, - isPassthrough: ColorSpace.prototype.isPassthrough, - fillRgb: ColorSpace.prototype.fillRgb, - isDefaultDecode: function LabCS_isDefaultDecode(decodeMap) { - // XXX: Decoding is handled with the lab conversion because of the strange - // ranges that are used. - return true; - }, - usesZeroToOneRange: false - }; - return LabCS; -})(); - - -var ARCFourCipher = (function ARCFourCipherClosure() { - function ARCFourCipher(key) { - this.a = 0; - this.b = 0; - var s = new Uint8Array(256); - var i, j = 0, tmp, keyLength = key.length; - for (i = 0; i < 256; ++i) { - s[i] = i; - } - for (i = 0; i < 256; ++i) { - tmp = s[i]; - j = (j + tmp + key[i % keyLength]) & 0xFF; - s[i] = s[j]; - s[j] = tmp; - } - this.s = s; - } - - ARCFourCipher.prototype = { - encryptBlock: function ARCFourCipher_encryptBlock(data) { - var i, n = data.length, tmp, tmp2; - var a = this.a, b = this.b, s = this.s; - var output = new Uint8Array(n); - for (i = 0; i < n; ++i) { - a = (a + 1) & 0xFF; - tmp = s[a]; - b = (b + tmp) & 0xFF; - tmp2 = s[b]; - s[a] = tmp2; - s[b] = tmp; - output[i] = data[i] ^ s[(tmp + tmp2) & 0xFF]; - } - this.a = a; - this.b = b; - return output; - } - }; - ARCFourCipher.prototype.decryptBlock = ARCFourCipher.prototype.encryptBlock; - - return ARCFourCipher; -})(); - -var calculateMD5 = (function calculateMD5Closure() { - var r = new Uint8Array([ - 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, - 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, - 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, - 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21]); - - var k = new Int32Array([ - -680876936, -389564586, 606105819, -1044525330, -176418897, 1200080426, - -1473231341, -45705983, 1770035416, -1958414417, -42063, -1990404162, - 1804603682, -40341101, -1502002290, 1236535329, -165796510, -1069501632, - 643717713, -373897302, -701558691, 38016083, -660478335, -405537848, - 568446438, -1019803690, -187363961, 1163531501, -1444681467, -51403784, - 1735328473, -1926607734, -378558, -2022574463, 1839030562, -35309556, - -1530992060, 1272893353, -155497632, -1094730640, 681279174, -358537222, - -722521979, 76029189, -640364487, -421815835, 530742520, -995338651, - -198630844, 1126891415, -1416354905, -57434055, 1700485571, -1894986606, - -1051523, -2054922799, 1873313359, -30611744, -1560198380, 1309151649, - -145523070, -1120210379, 718787259, -343485551]); - - function hash(data, offset, length) { - var h0 = 1732584193, h1 = -271733879, h2 = -1732584194, h3 = 271733878; - // pre-processing - var paddedLength = (length + 72) & ~63; // data + 9 extra bytes - var padded = new Uint8Array(paddedLength); - var i, j, n; - for (i = 0; i < length; ++i) { - padded[i] = data[offset++]; - } - padded[i++] = 0x80; - n = paddedLength - 8; - while (i < n) { - padded[i++] = 0; - } - padded[i++] = (length << 3) & 0xFF; - padded[i++] = (length >> 5) & 0xFF; - padded[i++] = (length >> 13) & 0xFF; - padded[i++] = (length >> 21) & 0xFF; - padded[i++] = (length >>> 29) & 0xFF; - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = 0; - var w = new Int32Array(16); - for (i = 0; i < paddedLength;) { - for (j = 0; j < 16; ++j, i += 4) { - w[j] = (padded[i] | (padded[i + 1] << 8) | - (padded[i + 2] << 16) | (padded[i + 3] << 24)); - } - var a = h0, b = h1, c = h2, d = h3, f, g; - for (j = 0; j < 64; ++j) { - if (j < 16) { - f = (b & c) | ((~b) & d); - g = j; - } else if (j < 32) { - f = (d & b) | ((~d) & c); - g = (5 * j + 1) & 15; - } else if (j < 48) { - f = b ^ c ^ d; - g = (3 * j + 5) & 15; - } else { - f = c ^ (b | (~d)); - g = (7 * j) & 15; - } - var tmp = d, rotateArg = (a + f + k[j] + w[g]) | 0, rotate = r[j]; - d = c; - c = b; - b = (b + ((rotateArg << rotate) | (rotateArg >>> (32 - rotate)))) | 0; - a = tmp; - } - h0 = (h0 + a) | 0; - h1 = (h1 + b) | 0; - h2 = (h2 + c) | 0; - h3 = (h3 + d) | 0; - } - return new Uint8Array([ - h0 & 0xFF, (h0 >> 8) & 0xFF, (h0 >> 16) & 0xFF, (h0 >>> 24) & 0xFF, - h1 & 0xFF, (h1 >> 8) & 0xFF, (h1 >> 16) & 0xFF, (h1 >>> 24) & 0xFF, - h2 & 0xFF, (h2 >> 8) & 0xFF, (h2 >> 16) & 0xFF, (h2 >>> 24) & 0xFF, - h3 & 0xFF, (h3 >> 8) & 0xFF, (h3 >> 16) & 0xFF, (h3 >>> 24) & 0xFF - ]); - } - - return hash; -})(); -var Word64 = (function Word64Closure() { - function Word64(highInteger, lowInteger) { - this.high = highInteger | 0; - this.low = lowInteger | 0; - } - Word64.prototype = { - and: function Word64_and(word) { - this.high &= word.high; - this.low &= word.low; - }, - xor: function Word64_xor(word) { - this.high ^= word.high; - this.low ^= word.low; - }, - - or: function Word64_or(word) { - this.high |= word.high; - this.low |= word.low; - }, - - shiftRight: function Word64_shiftRight(places) { - if (places >= 32) { - this.low = (this.high >>> (places - 32)) | 0; - this.high = 0; - } else { - this.low = (this.low >>> places) | (this.high << (32 - places)); - this.high = (this.high >>> places) | 0; - } - }, - - shiftLeft: function Word64_shiftLeft(places) { - if (places >= 32) { - this.high = this.low << (places - 32); - this.low = 0; - } else { - this.high = (this.high << places) | (this.low >>> (32 - places)); - this.low = this.low << places; - } - }, - - rotateRight: function Word64_rotateRight(places) { - var low, high; - if (places & 32) { - high = this.low; - low = this.high; - } else { - low = this.low; - high = this.high; - } - places &= 31; - this.low = (low >>> places) | (high << (32 - places)); - this.high = (high >>> places) | (low << (32 - places)); - }, - - not: function Word64_not() { - this.high = ~this.high; - this.low = ~this.low; - }, - - add: function Word64_add(word) { - var lowAdd = (this.low >>> 0) + (word.low >>> 0); - var highAdd = (this.high >>> 0) + (word.high >>> 0); - if (lowAdd > 0xFFFFFFFF) { - highAdd += 1; - } - this.low = lowAdd | 0; - this.high = highAdd | 0; - }, - - copyTo: function Word64_copyTo(bytes, offset) { - bytes[offset] = (this.high >>> 24) & 0xFF; - bytes[offset + 1] = (this.high >> 16) & 0xFF; - bytes[offset + 2] = (this.high >> 8) & 0xFF; - bytes[offset + 3] = this.high & 0xFF; - bytes[offset + 4] = (this.low >>> 24) & 0xFF; - bytes[offset + 5] = (this.low >> 16) & 0xFF; - bytes[offset + 6] = (this.low >> 8) & 0xFF; - bytes[offset + 7] = this.low & 0xFF; - }, - - assign: function Word64_assign(word) { - this.high = word.high; - this.low = word.low; - } - }; - return Word64; -})(); - -var calculateSHA256 = (function calculateSHA256Closure() { - function rotr(x, n) { - return (x >>> n) | (x << 32 - n); - } - - function ch(x, y, z) { - return (x & y) ^ (~x & z); - } - - function maj(x, y, z) { - return (x & y) ^ (x & z) ^ (y & z); - } - - function sigma(x) { - return rotr(x, 2) ^ rotr(x, 13) ^ rotr(x, 22); - } - - function sigmaPrime(x) { - return rotr(x, 6) ^ rotr(x, 11) ^ rotr(x, 25); - } - - function littleSigma(x) { - return rotr(x, 7) ^ rotr(x, 18) ^ x >>> 3; - } - - function littleSigmaPrime(x) { - return rotr(x, 17) ^ rotr(x, 19) ^ x >>> 10; - } - - var k = [0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, - 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, - 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, - 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, - 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, - 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, - 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, - 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, - 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, - 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, - 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, - 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, - 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, - 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, - 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, - 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2]; - - function hash(data, offset, length) { - // initial hash values - var h0 = 0x6a09e667, h1 = 0xbb67ae85, h2 = 0x3c6ef372, - h3 = 0xa54ff53a, h4 = 0x510e527f, h5 = 0x9b05688c, - h6 = 0x1f83d9ab, h7 = 0x5be0cd19; - // pre-processing - var paddedLength = Math.ceil((length + 9) / 64) * 64; - var padded = new Uint8Array(paddedLength); - var i, j, n; - for (i = 0; i < length; ++i) { - padded[i] = data[offset++]; - } - padded[i++] = 0x80; - n = paddedLength - 8; - while (i < n) { - padded[i++] = 0; - } - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = (length >>> 29) & 0xFF; - padded[i++] = (length >> 21) & 0xFF; - padded[i++] = (length >> 13) & 0xFF; - padded[i++] = (length >> 5) & 0xFF; - padded[i++] = (length << 3) & 0xFF; - var w = new Uint32Array(64); - // for each 512 bit block - for (i = 0; i < paddedLength;) { - for (j = 0; j < 16; ++j) { - w[j] = (padded[i] << 24 | (padded[i + 1] << 16) | - (padded[i + 2] << 8) | (padded[i + 3])); - i += 4; - } - - for (j = 16; j < 64; ++j) { - w[j] = littleSigmaPrime(w[j - 2]) + w[j - 7] + - littleSigma(w[j - 15]) + w[j - 16] | 0; - } - var a = h0, b = h1, c = h2, d = h3, e = h4, - f = h5, g = h6, h = h7, t1, t2; - for (j = 0; j < 64; ++j) { - t1 = h + sigmaPrime(e) + ch(e, f, g) + k[j] + w[j]; - t2 = sigma(a) + maj(a, b, c); - h = g; - g = f; - f = e; - e = (d + t1) | 0; - d = c; - c = b; - b = a; - a = (t1 + t2) | 0; - } - h0 = (h0 + a) | 0; - h1 = (h1 + b) | 0; - h2 = (h2 + c) | 0; - h3 = (h3 + d) | 0; - h4 = (h4 + e) | 0; - h5 = (h5 + f) | 0; - h6 = (h6 + g) | 0; - h7 = (h7 + h) | 0; - } - return new Uint8Array([ - (h0 >> 24) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 8) & 0xFF, (h0) & 0xFF, - (h1 >> 24) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 8) & 0xFF, (h1) & 0xFF, - (h2 >> 24) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 8) & 0xFF, (h2) & 0xFF, - (h3 >> 24) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 8) & 0xFF, (h3) & 0xFF, - (h4 >> 24) & 0xFF, (h4 >> 16) & 0xFF, (h4 >> 8) & 0xFF, (h4) & 0xFF, - (h5 >> 24) & 0xFF, (h5 >> 16) & 0xFF, (h5 >> 8) & 0xFF, (h5) & 0xFF, - (h6 >> 24) & 0xFF, (h6 >> 16) & 0xFF, (h6 >> 8) & 0xFF, (h6) & 0xFF, - (h7 >> 24) & 0xFF, (h7 >> 16) & 0xFF, (h7 >> 8) & 0xFF, (h7) & 0xFF - ]); - } - - return hash; -})(); - -var calculateSHA512 = (function calculateSHA512Closure() { - function ch(result, x, y, z, tmp) { - result.assign(x); - result.and(y); - tmp.assign(x); - tmp.not(); - tmp.and(z); - result.xor(tmp); - } - - function maj(result, x, y, z, tmp) { - result.assign(x); - result.and(y); - tmp.assign(x); - tmp.and(z); - result.xor(tmp); - tmp.assign(y); - tmp.and(z); - result.xor(tmp); - } - - function sigma(result, x, tmp) { - result.assign(x); - result.rotateRight(28); - tmp.assign(x); - tmp.rotateRight(34); - result.xor(tmp); - tmp.assign(x); - tmp.rotateRight(39); - result.xor(tmp); - } - - function sigmaPrime(result, x, tmp) { - result.assign(x); - result.rotateRight(14); - tmp.assign(x); - tmp.rotateRight(18); - result.xor(tmp); - tmp.assign(x); - tmp.rotateRight(41); - result.xor(tmp); - } - - function littleSigma(result, x, tmp) { - result.assign(x); - result.rotateRight(1); - tmp.assign(x); - tmp.rotateRight(8); - result.xor(tmp); - tmp.assign(x); - tmp.shiftRight(7); - result.xor(tmp); - } - - function littleSigmaPrime(result, x, tmp) { - result.assign(x); - result.rotateRight(19); - tmp.assign(x); - tmp.rotateRight(61); - result.xor(tmp); - tmp.assign(x); - tmp.shiftRight(6); - result.xor(tmp); - } - - var k = [ - new Word64(0x428a2f98, 0xd728ae22), new Word64(0x71374491, 0x23ef65cd), - new Word64(0xb5c0fbcf, 0xec4d3b2f), new Word64(0xe9b5dba5, 0x8189dbbc), - new Word64(0x3956c25b, 0xf348b538), new Word64(0x59f111f1, 0xb605d019), - new Word64(0x923f82a4, 0xaf194f9b), new Word64(0xab1c5ed5, 0xda6d8118), - new Word64(0xd807aa98, 0xa3030242), new Word64(0x12835b01, 0x45706fbe), - new Word64(0x243185be, 0x4ee4b28c), new Word64(0x550c7dc3, 0xd5ffb4e2), - new Word64(0x72be5d74, 0xf27b896f), new Word64(0x80deb1fe, 0x3b1696b1), - new Word64(0x9bdc06a7, 0x25c71235), new Word64(0xc19bf174, 0xcf692694), - new Word64(0xe49b69c1, 0x9ef14ad2), new Word64(0xefbe4786, 0x384f25e3), - new Word64(0x0fc19dc6, 0x8b8cd5b5), new Word64(0x240ca1cc, 0x77ac9c65), - new Word64(0x2de92c6f, 0x592b0275), new Word64(0x4a7484aa, 0x6ea6e483), - new Word64(0x5cb0a9dc, 0xbd41fbd4), new Word64(0x76f988da, 0x831153b5), - new Word64(0x983e5152, 0xee66dfab), new Word64(0xa831c66d, 0x2db43210), - new Word64(0xb00327c8, 0x98fb213f), new Word64(0xbf597fc7, 0xbeef0ee4), - new Word64(0xc6e00bf3, 0x3da88fc2), new Word64(0xd5a79147, 0x930aa725), - new Word64(0x06ca6351, 0xe003826f), new Word64(0x14292967, 0x0a0e6e70), - new Word64(0x27b70a85, 0x46d22ffc), new Word64(0x2e1b2138, 0x5c26c926), - new Word64(0x4d2c6dfc, 0x5ac42aed), new Word64(0x53380d13, 0x9d95b3df), - new Word64(0x650a7354, 0x8baf63de), new Word64(0x766a0abb, 0x3c77b2a8), - new Word64(0x81c2c92e, 0x47edaee6), new Word64(0x92722c85, 0x1482353b), - new Word64(0xa2bfe8a1, 0x4cf10364), new Word64(0xa81a664b, 0xbc423001), - new Word64(0xc24b8b70, 0xd0f89791), new Word64(0xc76c51a3, 0x0654be30), - new Word64(0xd192e819, 0xd6ef5218), new Word64(0xd6990624, 0x5565a910), - new Word64(0xf40e3585, 0x5771202a), new Word64(0x106aa070, 0x32bbd1b8), - new Word64(0x19a4c116, 0xb8d2d0c8), new Word64(0x1e376c08, 0x5141ab53), - new Word64(0x2748774c, 0xdf8eeb99), new Word64(0x34b0bcb5, 0xe19b48a8), - new Word64(0x391c0cb3, 0xc5c95a63), new Word64(0x4ed8aa4a, 0xe3418acb), - new Word64(0x5b9cca4f, 0x7763e373), new Word64(0x682e6ff3, 0xd6b2b8a3), - new Word64(0x748f82ee, 0x5defb2fc), new Word64(0x78a5636f, 0x43172f60), - new Word64(0x84c87814, 0xa1f0ab72), new Word64(0x8cc70208, 0x1a6439ec), - new Word64(0x90befffa, 0x23631e28), new Word64(0xa4506ceb, 0xde82bde9), - new Word64(0xbef9a3f7, 0xb2c67915), new Word64(0xc67178f2, 0xe372532b), - new Word64(0xca273ece, 0xea26619c), new Word64(0xd186b8c7, 0x21c0c207), - new Word64(0xeada7dd6, 0xcde0eb1e), new Word64(0xf57d4f7f, 0xee6ed178), - new Word64(0x06f067aa, 0x72176fba), new Word64(0x0a637dc5, 0xa2c898a6), - new Word64(0x113f9804, 0xbef90dae), new Word64(0x1b710b35, 0x131c471b), - new Word64(0x28db77f5, 0x23047d84), new Word64(0x32caab7b, 0x40c72493), - new Word64(0x3c9ebe0a, 0x15c9bebc), new Word64(0x431d67c4, 0x9c100d4c), - new Word64(0x4cc5d4be, 0xcb3e42b6), new Word64(0x597f299c, 0xfc657e2a), - new Word64(0x5fcb6fab, 0x3ad6faec), new Word64(0x6c44198c, 0x4a475817)]; - - function hash(data, offset, length, mode384) { - mode384 = !!mode384; - // initial hash values - var h0, h1, h2, h3, h4, h5, h6, h7; - if (!mode384) { - h0 = new Word64(0x6a09e667, 0xf3bcc908); - h1 = new Word64(0xbb67ae85, 0x84caa73b); - h2 = new Word64(0x3c6ef372, 0xfe94f82b); - h3 = new Word64(0xa54ff53a, 0x5f1d36f1); - h4 = new Word64(0x510e527f, 0xade682d1); - h5 = new Word64(0x9b05688c, 0x2b3e6c1f); - h6 = new Word64(0x1f83d9ab, 0xfb41bd6b); - h7 = new Word64(0x5be0cd19, 0x137e2179); - } - else { - // SHA384 is exactly the same - // except with different starting values and a trimmed result - h0 = new Word64(0xcbbb9d5d, 0xc1059ed8); - h1 = new Word64(0x629a292a, 0x367cd507); - h2 = new Word64(0x9159015a, 0x3070dd17); - h3 = new Word64(0x152fecd8, 0xf70e5939); - h4 = new Word64(0x67332667, 0xffc00b31); - h5 = new Word64(0x8eb44a87, 0x68581511); - h6 = new Word64(0xdb0c2e0d, 0x64f98fa7); - h7 = new Word64(0x47b5481d, 0xbefa4fa4); - } - - // pre-processing - var paddedLength = Math.ceil((length + 17) / 128) * 128; - var padded = new Uint8Array(paddedLength); - var i, j, n; - for (i = 0; i < length; ++i) { - padded[i] = data[offset++]; - } - padded[i++] = 0x80; - n = paddedLength - 16; - while (i < n) { - padded[i++] = 0; - } - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = 0; - padded[i++] = (length >>> 29) & 0xFF; - padded[i++] = (length >> 21) & 0xFF; - padded[i++] = (length >> 13) & 0xFF; - padded[i++] = (length >> 5) & 0xFF; - padded[i++] = (length << 3) & 0xFF; - - var w = new Array(80); - for (i = 0; i < 80; i++) { - w[i] = new Word64(0, 0); - } - var a = new Word64(0, 0), b = new Word64(0, 0), c = new Word64(0, 0); - var d = new Word64(0, 0), e = new Word64(0, 0), f = new Word64(0, 0); - var g = new Word64(0, 0), h = new Word64(0, 0); - var t1 = new Word64(0, 0), t2 = new Word64(0, 0); - var tmp1 = new Word64(0, 0), tmp2 = new Word64(0, 0), tmp3; - - // for each 1024 bit block - for (i = 0; i < paddedLength;) { - for (j = 0; j < 16; ++j) { - w[j].high = (padded[i] << 24) | (padded[i + 1] << 16) | - (padded[i + 2] << 8) | (padded[i + 3]); - w[j].low = (padded[i + 4]) << 24 | (padded[i + 5]) << 16 | - (padded[i + 6]) << 8 | (padded[i + 7]); - i += 8; - } - for (j = 16; j < 80; ++j) { - tmp3 = w[j]; - littleSigmaPrime(tmp3, w[j - 2], tmp2); - tmp3.add(w[j - 7]); - littleSigma(tmp1, w[j - 15], tmp2); - tmp3.add(tmp1); - tmp3.add(w[j - 16]); - } - - a.assign(h0); b.assign(h1); c.assign(h2); d.assign(h3); - e.assign(h4); f.assign(h5); g.assign(h6); h.assign(h7); - for (j = 0; j < 80; ++j) { - t1.assign(h); - sigmaPrime(tmp1, e, tmp2); - t1.add(tmp1); - ch(tmp1, e, f, g, tmp2); - t1.add(tmp1); - t1.add(k[j]); - t1.add(w[j]); - - sigma(t2, a, tmp2); - maj(tmp1, a, b, c, tmp2); - t2.add(tmp1); - - tmp3 = h; - h = g; - g = f; - f = e; - d.add(t1); - e = d; - d = c; - c = b; - b = a; - tmp3.assign(t1); - tmp3.add(t2); - a = tmp3; - } - h0.add(a); - h1.add(b); - h2.add(c); - h3.add(d); - h4.add(e); - h5.add(f); - h6.add(g); - h7.add(h); - } - - var result; - if (!mode384) { - result = new Uint8Array(64); - h0.copyTo(result,0); - h1.copyTo(result,8); - h2.copyTo(result,16); - h3.copyTo(result,24); - h4.copyTo(result,32); - h5.copyTo(result,40); - h6.copyTo(result,48); - h7.copyTo(result,56); - } - else { - result = new Uint8Array(48); - h0.copyTo(result,0); - h1.copyTo(result,8); - h2.copyTo(result,16); - h3.copyTo(result,24); - h4.copyTo(result,32); - h5.copyTo(result,40); - } - return result; - } - - return hash; -})(); -var calculateSHA384 = (function calculateSHA384Closure() { - function hash(data, offset, length) { - return calculateSHA512(data, offset, length, true); - } - - return hash; -})(); -var NullCipher = (function NullCipherClosure() { - function NullCipher() { - } - - NullCipher.prototype = { - decryptBlock: function NullCipher_decryptBlock(data) { - return data; - } - }; - - return NullCipher; -})(); - -var AES128Cipher = (function AES128CipherClosure() { - var rcon = new Uint8Array([ - 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, - 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, - 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, - 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, - 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, - 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, - 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, - 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, - 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, - 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, - 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, - 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, - 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, - 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, - 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, - 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, - 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, - 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, - 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, - 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, - 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, - 0x74, 0xe8, 0xcb, 0x8d]); - - var s = new Uint8Array([ - 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, - 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, - 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, - 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, - 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, - 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, - 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, - 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, - 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, - 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, - 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, - 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, - 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, - 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, - 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, - 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, - 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, - 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, - 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, - 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, - 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, - 0xb0, 0x54, 0xbb, 0x16]); - - var inv_s = new Uint8Array([ - 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, - 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, - 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, - 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, - 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, - 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, - 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, - 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, - 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, - 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, - 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, - 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, - 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, - 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, - 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, - 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, - 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, - 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, - 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, - 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, - 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, - 0x55, 0x21, 0x0c, 0x7d]); - var mixCol = new Uint8Array(256); - for (var i = 0; i < 256; i++) { - if (i < 128) { - mixCol[i] = i << 1; - } else { - mixCol[i] = (i << 1) ^ 0x1b; - } - } - var mix = new Uint32Array([ - 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, - 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, - 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, - 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, - 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, - 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, - 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, - 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, - 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, - 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, - 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, - 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, - 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, - 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, - 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, - 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, - 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, - 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, - 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, - 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, - 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, - 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, - 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, - 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, - 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, - 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, - 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, - 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, - 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, - 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, - 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, - 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, - 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, - 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, - 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, - 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, - 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, - 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, - 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, - 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, - 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, - 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, - 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]); - - function expandKey128(cipherKey) { - var b = 176, result = new Uint8Array(b); - result.set(cipherKey); - for (var j = 16, i = 1; j < b; ++i) { - // RotWord - var t1 = result[j - 3], t2 = result[j - 2], - t3 = result[j - 1], t4 = result[j - 4]; - // SubWord - t1 = s[t1]; - t2 = s[t2]; - t3 = s[t3]; - t4 = s[t4]; - // Rcon - t1 = t1 ^ rcon[i]; - for (var n = 0; n < 4; ++n) { - result[j] = (t1 ^= result[j - 16]); - j++; - result[j] = (t2 ^= result[j - 16]); - j++; - result[j] = (t3 ^= result[j - 16]); - j++; - result[j] = (t4 ^= result[j - 16]); - j++; - } - } - return result; - } - - function decrypt128(input, key) { - var state = new Uint8Array(16); - state.set(input); - var i, j, k; - var t, u, v; - // AddRoundKey - for (j = 0, k = 160; j < 16; ++j, ++k) { - state[j] ^= key[k]; - } - for (i = 9; i >= 1; --i) { - // InvShiftRows - t = state[13]; - state[13] = state[9]; - state[9] = state[5]; - state[5] = state[1]; - state[1] = t; - t = state[14]; - u = state[10]; - state[14] = state[6]; - state[10] = state[2]; - state[6] = t; - state[2] = u; - t = state[15]; - u = state[11]; - v = state[7]; - state[15] = state[3]; - state[11] = t; - state[7] = u; - state[3] = v; - // InvSubBytes - for (j = 0; j < 16; ++j) { - state[j] = inv_s[state[j]]; - } - // AddRoundKey - for (j = 0, k = i * 16; j < 16; ++j, ++k) { - state[j] ^= key[k]; - } - // InvMixColumns - for (j = 0; j < 16; j += 4) { - var s0 = mix[state[j]], s1 = mix[state[j + 1]], - s2 = mix[state[j + 2]], s3 = mix[state[j + 3]]; - t = (s0 ^ (s1 >>> 8) ^ (s1 << 24) ^ (s2 >>> 16) ^ (s2 << 16) ^ - (s3 >>> 24) ^ (s3 << 8)); - state[j] = (t >>> 24) & 0xFF; - state[j + 1] = (t >> 16) & 0xFF; - state[j + 2] = (t >> 8) & 0xFF; - state[j + 3] = t & 0xFF; - } - } - // InvShiftRows - t = state[13]; - state[13] = state[9]; - state[9] = state[5]; - state[5] = state[1]; - state[1] = t; - t = state[14]; - u = state[10]; - state[14] = state[6]; - state[10] = state[2]; - state[6] = t; - state[2] = u; - t = state[15]; - u = state[11]; - v = state[7]; - state[15] = state[3]; - state[11] = t; - state[7] = u; - state[3] = v; - for (j = 0; j < 16; ++j) { - // InvSubBytes - state[j] = inv_s[state[j]]; - // AddRoundKey - state[j] ^= key[j]; - } - return state; - } - - function encrypt128(input, key) { - var t, u, v, k; - var state = new Uint8Array(16); - state.set(input); - for (j = 0; j < 16; ++j) { - // AddRoundKey - state[j] ^= key[j]; - } - - for (i = 1; i < 10; i++) { - //SubBytes - for (j = 0; j < 16; ++j) { - state[j] = s[state[j]]; - } - //ShiftRows - v = state[1]; - state[1] = state[5]; - state[5] = state[9]; - state[9] = state[13]; - state[13] = v; - v = state[2]; - u = state[6]; - state[2] = state[10]; - state[6] = state[14]; - state[10] = v; - state[14] = u; - v = state[3]; - u = state[7]; - t = state[11]; - state[3] = state[15]; - state[7] = v; - state[11] = u; - state[15] = t; - //MixColumns - for (var j = 0; j < 16; j += 4) { - var s0 = state[j + 0], s1 = state[j + 1]; - var s2 = state[j + 2], s3 = state[j + 3]; - t = s0 ^ s1 ^ s2 ^ s3; - state[j + 0] ^= t ^ mixCol[s0 ^ s1]; - state[j + 1] ^= t ^ mixCol[s1 ^ s2]; - state[j + 2] ^= t ^ mixCol[s2 ^ s3]; - state[j + 3] ^= t ^ mixCol[s3 ^ s0]; - } - //AddRoundKey - for (j = 0, k = i * 16; j < 16; ++j, ++k) { - state[j] ^= key[k]; - } - } - - //SubBytes - for (j = 0; j < 16; ++j) { - state[j] = s[state[j]]; - } - //ShiftRows - v = state[1]; - state[1] = state[5]; - state[5] = state[9]; - state[9] = state[13]; - state[13] = v; - v = state[2]; - u = state[6]; - state[2] = state[10]; - state[6] = state[14]; - state[10] = v; - state[14] = u; - v = state[3]; - u = state[7]; - t = state[11]; - state[3] = state[15]; - state[7] = v; - state[11] = u; - state[15] = t; - //AddRoundKey - for (j = 0, k = 160; j < 16; ++j, ++k) { - state[j] ^= key[k]; - } - return state; - } - - function AES128Cipher(key) { - this.key = expandKey128(key); - this.buffer = new Uint8Array(16); - this.bufferPosition = 0; - } - - function decryptBlock2(data, finalize) { - var i, j, ii, sourceLength = data.length, - buffer = this.buffer, bufferLength = this.bufferPosition, - result = [], iv = this.iv; - for (i = 0; i < sourceLength; ++i) { - buffer[bufferLength] = data[i]; - ++bufferLength; - if (bufferLength < 16) { - continue; - } - // buffer is full, decrypting - var plain = decrypt128(buffer, this.key); - // xor-ing the IV vector to get plain text - for (j = 0; j < 16; ++j) { - plain[j] ^= iv[j]; - } - iv = buffer; - result.push(plain); - buffer = new Uint8Array(16); - bufferLength = 0; - } - // saving incomplete buffer - this.buffer = buffer; - this.bufferLength = bufferLength; - this.iv = iv; - if (result.length === 0) { - return new Uint8Array([]); - } - // combining plain text blocks into one - var outputLength = 16 * result.length; - if (finalize) { - // undo a padding that is described in RFC 2898 - var lastBlock = result[result.length - 1]; - var psLen = lastBlock[15]; - if (psLen <= 16) { - for (i = 15, ii = 16 - psLen; i >= ii; --i) { - if (lastBlock[i] !== psLen) { - // Invalid padding, assume that the block has no padding. - psLen = 0; - break; - } - } - outputLength -= psLen; - result[result.length - 1] = lastBlock.subarray(0, 16 - psLen); - } - } - var output = new Uint8Array(outputLength); - for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { - output.set(result[i], j); - } - return output; - } - - AES128Cipher.prototype = { - decryptBlock: function AES128Cipher_decryptBlock(data, finalize) { - var i, sourceLength = data.length; - var buffer = this.buffer, bufferLength = this.bufferPosition; - // waiting for IV values -- they are at the start of the stream - for (i = 0; bufferLength < 16 && i < sourceLength; ++i, ++bufferLength) { - buffer[bufferLength] = data[i]; - } - if (bufferLength < 16) { - // need more data - this.bufferLength = bufferLength; - return new Uint8Array([]); - } - this.iv = buffer; - this.buffer = new Uint8Array(16); - this.bufferLength = 0; - // starting decryption - this.decryptBlock = decryptBlock2; - return this.decryptBlock(data.subarray(16), finalize); - }, - encrypt: function AES128Cipher_encrypt(data, iv) { - var i, j, ii, sourceLength = data.length, - buffer = this.buffer, bufferLength = this.bufferPosition, - result = []; - if (!iv) { - iv = new Uint8Array(16); - } - for (i = 0; i < sourceLength; ++i) { - buffer[bufferLength] = data[i]; - ++bufferLength; - if (bufferLength < 16) { - continue; - } - for (j = 0; j < 16; ++j) { - buffer[j] ^= iv[j]; - } - - // buffer is full, encrypting - var cipher = encrypt128(buffer, this.key); - iv = cipher; - result.push(cipher); - buffer = new Uint8Array(16); - bufferLength = 0; - } - // saving incomplete buffer - this.buffer = buffer; - this.bufferLength = bufferLength; - this.iv = iv; - if (result.length === 0) { - return new Uint8Array([]); - } - // combining plain text blocks into one - var outputLength = 16 * result.length; - var output = new Uint8Array(outputLength); - for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { - output.set(result[i], j); - } - return output; - } - }; - - return AES128Cipher; -})(); - -var AES256Cipher = (function AES256CipherClosure() { - var rcon = new Uint8Array([ - 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, - 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, - 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, - 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, - 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, - 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, - 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, - 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, - 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, - 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, - 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, - 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, - 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, - 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, - 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, - 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, - 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, - 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, - 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, - 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, - 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, - 0x74, 0xe8, 0xcb, 0x8d]); - - var s = new Uint8Array([ - 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, - 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, - 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, - 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, - 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, - 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, - 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, - 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, - 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, - 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, - 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, - 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, - 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, - 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, - 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, - 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, - 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, - 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, - 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, - 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, - 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, - 0xb0, 0x54, 0xbb, 0x16]); - - var inv_s = new Uint8Array([ - 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, - 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, - 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, - 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, - 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, - 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, - 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, - 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, - 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, - 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, - 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, - 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, - 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, - 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, - 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, - 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, - 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, - 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, - 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, - 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, - 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, - 0x55, 0x21, 0x0c, 0x7d]); - - var mixCol = new Uint8Array(256); - for (var i = 0; i < 256; i++) { - if (i < 128) { - mixCol[i] = i << 1; - } else { - mixCol[i] = (i << 1) ^ 0x1b; - } - } - var mix = new Uint32Array([ - 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, - 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, - 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, - 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, - 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, - 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, - 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, - 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, - 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, - 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, - 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, - 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, - 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, - 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, - 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, - 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, - 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, - 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, - 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, - 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, - 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, - 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, - 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, - 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, - 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, - 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, - 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, - 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, - 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, - 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, - 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, - 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, - 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, - 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, - 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, - 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, - 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, - 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, - 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, - 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, - 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, - 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, - 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]); - - function expandKey256(cipherKey) { - var b = 240, result = new Uint8Array(b); - var r = 1; - - result.set(cipherKey); - for (var j = 32, i = 1; j < b; ++i) { - if (j % 32 === 16) { - t1 = s[t1]; - t2 = s[t2]; - t3 = s[t3]; - t4 = s[t4]; - } else if (j % 32 === 0) { - // RotWord - var t1 = result[j - 3], t2 = result[j - 2], - t3 = result[j - 1], t4 = result[j - 4]; - // SubWord - t1 = s[t1]; - t2 = s[t2]; - t3 = s[t3]; - t4 = s[t4]; - // Rcon - t1 = t1 ^ r; - if ((r <<= 1) >= 256) { - r = (r ^ 0x1b) & 0xFF; - } - } - - for (var n = 0; n < 4; ++n) { - result[j] = (t1 ^= result[j - 32]); - j++; - result[j] = (t2 ^= result[j - 32]); - j++; - result[j] = (t3 ^= result[j - 32]); - j++; - result[j] = (t4 ^= result[j - 32]); - j++; - } - } - return result; - } - - function decrypt256(input, key) { - var state = new Uint8Array(16); - state.set(input); - var i, j, k; - var t, u, v; - // AddRoundKey - for (j = 0, k = 224; j < 16; ++j, ++k) { - state[j] ^= key[k]; - } - for (i = 13; i >= 1; --i) { - // InvShiftRows - t = state[13]; - state[13] = state[9]; - state[9] = state[5]; - state[5] = state[1]; - state[1] = t; - t = state[14]; - u = state[10]; - state[14] = state[6]; - state[10] = state[2]; - state[6] = t; - state[2] = u; - t = state[15]; - u = state[11]; - v = state[7]; - state[15] = state[3]; - state[11] = t; - state[7] = u; - state[3] = v; - // InvSubBytes - for (j = 0; j < 16; ++j) { - state[j] = inv_s[state[j]]; - } - // AddRoundKey - for (j = 0, k = i * 16; j < 16; ++j, ++k) { - state[j] ^= key[k]; - } - // InvMixColumns - for (j = 0; j < 16; j += 4) { - var s0 = mix[state[j]], s1 = mix[state[j + 1]], - s2 = mix[state[j + 2]], s3 = mix[state[j + 3]]; - t = (s0 ^ (s1 >>> 8) ^ (s1 << 24) ^ (s2 >>> 16) ^ (s2 << 16) ^ - (s3 >>> 24) ^ (s3 << 8)); - state[j] = (t >>> 24) & 0xFF; - state[j + 1] = (t >> 16) & 0xFF; - state[j + 2] = (t >> 8) & 0xFF; - state[j + 3] = t & 0xFF; - } - } - // InvShiftRows - t = state[13]; - state[13] = state[9]; - state[9] = state[5]; - state[5] = state[1]; - state[1] = t; - t = state[14]; - u = state[10]; - state[14] = state[6]; - state[10] = state[2]; - state[6] = t; - state[2] = u; - t = state[15]; - u = state[11]; - v = state[7]; - state[15] = state[3]; - state[11] = t; - state[7] = u; - state[3] = v; - for (j = 0; j < 16; ++j) { - // InvSubBytes - state[j] = inv_s[state[j]]; - // AddRoundKey - state[j] ^= key[j]; - } - return state; - } - - function encrypt256(input, key) { - var t, u, v, k; - var state = new Uint8Array(16); - state.set(input); - for (j = 0; j < 16; ++j) { - // AddRoundKey - state[j] ^= key[j]; - } - - for (i = 1; i < 14; i++) { - //SubBytes - for (j = 0; j < 16; ++j) { - state[j] = s[state[j]]; - } - //ShiftRows - v = state[1]; - state[1] = state[5]; - state[5] = state[9]; - state[9] = state[13]; - state[13] = v; - v = state[2]; - u = state[6]; - state[2] = state[10]; - state[6] = state[14]; - state[10] = v; - state[14] = u; - v = state[3]; - u = state[7]; - t = state[11]; - state[3] = state[15]; - state[7] = v; - state[11] = u; - state[15] = t; - //MixColumns - for (var j = 0; j < 16; j += 4) { - var s0 = state[j + 0], s1 = state[j + 1]; - var s2 = state[j + 2], s3 = state[j + 3]; - t = s0 ^ s1 ^ s2 ^ s3; - state[j + 0] ^= t ^ mixCol[s0 ^ s1]; - state[j + 1] ^= t ^ mixCol[s1 ^ s2]; - state[j + 2] ^= t ^ mixCol[s2 ^ s3]; - state[j + 3] ^= t ^ mixCol[s3 ^ s0]; - } - //AddRoundKey - for (j = 0, k = i * 16; j < 16; ++j, ++k) { - state[j] ^= key[k]; - } - } - - //SubBytes - for (j = 0; j < 16; ++j) { - state[j] = s[state[j]]; - } - //ShiftRows - v = state[1]; - state[1] = state[5]; - state[5] = state[9]; - state[9] = state[13]; - state[13] = v; - v = state[2]; - u = state[6]; - state[2] = state[10]; - state[6] = state[14]; - state[10] = v; - state[14] = u; - v = state[3]; - u = state[7]; - t = state[11]; - state[3] = state[15]; - state[7] = v; - state[11] = u; - state[15] = t; - //AddRoundKey - for (j = 0, k = 224; j < 16; ++j, ++k) { - state[j] ^= key[k]; - } - - return state; - - } - - function AES256Cipher(key) { - this.key = expandKey256(key); - this.buffer = new Uint8Array(16); - this.bufferPosition = 0; - } - - function decryptBlock2(data, finalize) { - var i, j, ii, sourceLength = data.length, - buffer = this.buffer, bufferLength = this.bufferPosition, - result = [], iv = this.iv; - - for (i = 0; i < sourceLength; ++i) { - buffer[bufferLength] = data[i]; - ++bufferLength; - if (bufferLength < 16) { - continue; - } - // buffer is full, decrypting - var plain = decrypt256(buffer, this.key); - // xor-ing the IV vector to get plain text - for (j = 0; j < 16; ++j) { - plain[j] ^= iv[j]; - } - iv = buffer; - result.push(plain); - buffer = new Uint8Array(16); - bufferLength = 0; - } - // saving incomplete buffer - this.buffer = buffer; - this.bufferLength = bufferLength; - this.iv = iv; - if (result.length === 0) { - return new Uint8Array([]); - } - // combining plain text blocks into one - var outputLength = 16 * result.length; - if (finalize) { - // undo a padding that is described in RFC 2898 - var lastBlock = result[result.length - 1]; - var psLen = lastBlock[15]; - if (psLen <= 16) { - for (i = 15, ii = 16 - psLen; i >= ii; --i) { - if (lastBlock[i] !== psLen) { - // Invalid padding, assume that the block has no padding. - psLen = 0; - break; - } - } - outputLength -= psLen; - result[result.length - 1] = lastBlock.subarray(0, 16 - psLen); - } - } - var output = new Uint8Array(outputLength); - for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { - output.set(result[i], j); - } - return output; - - } - - AES256Cipher.prototype = { - decryptBlock: function AES256Cipher_decryptBlock(data, finalize, iv) { - var i, sourceLength = data.length; - var buffer = this.buffer, bufferLength = this.bufferPosition; - // if not supplied an IV wait for IV values - // they are at the start of the stream - if (iv) { - this.iv = iv; - } else { - for (i = 0; bufferLength < 16 && - i < sourceLength; ++i, ++bufferLength) { - buffer[bufferLength] = data[i]; - } - if (bufferLength < 16) { - //need more data - this.bufferLength = bufferLength; - return new Uint8Array([]); - } - this.iv = buffer; - data = data.subarray(16); - } - this.buffer = new Uint8Array(16); - this.bufferLength = 0; - // starting decryption - this.decryptBlock = decryptBlock2; - return this.decryptBlock(data, finalize); - }, - encrypt: function AES256Cipher_encrypt(data, iv) { - var i, j, ii, sourceLength = data.length, - buffer = this.buffer, bufferLength = this.bufferPosition, - result = []; - if (!iv) { - iv = new Uint8Array(16); - } - for (i = 0; i < sourceLength; ++i) { - buffer[bufferLength] = data[i]; - ++bufferLength; - if (bufferLength < 16) { - continue; - } - for (j = 0; j < 16; ++j) { - buffer[j] ^= iv[j]; - } - - // buffer is full, encrypting - var cipher = encrypt256(buffer, this.key); - this.iv = cipher; - result.push(cipher); - buffer = new Uint8Array(16); - bufferLength = 0; - } - // saving incomplete buffer - this.buffer = buffer; - this.bufferLength = bufferLength; - this.iv = iv; - if (result.length === 0) { - return new Uint8Array([]); - } - // combining plain text blocks into one - var outputLength = 16 * result.length; - var output = new Uint8Array(outputLength); - for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { - output.set(result[i], j); - } - return output; - } - }; - - return AES256Cipher; -})(); - -var PDF17 = (function PDF17Closure() { - - function compareByteArrays(array1, array2) { - if (array1.length !== array2.length) { - return false; - } - for (var i = 0; i < array1.length; i++) { - if (array1[i] !== array2[i]) { - return false; - } - } - return true; - } - - function PDF17() { - } - - PDF17.prototype = { - checkOwnerPassword: function PDF17_checkOwnerPassword(password, - ownerValidationSalt, - userBytes, - ownerPassword) { - var hashData = new Uint8Array(password.length + 56); - hashData.set(password, 0); - hashData.set(ownerValidationSalt, password.length); - hashData.set(userBytes, password.length + ownerValidationSalt.length); - var result = calculateSHA256(hashData, 0, hashData.length); - return compareByteArrays(result, ownerPassword); - }, - checkUserPassword: function PDF17_checkUserPassword(password, - userValidationSalt, - userPassword) { - var hashData = new Uint8Array(password.length + 8); - hashData.set(password, 0); - hashData.set(userValidationSalt, password.length); - var result = calculateSHA256(hashData, 0, hashData.length); - return compareByteArrays(result, userPassword); - }, - getOwnerKey: function PDF17_getOwnerKey(password, ownerKeySalt, userBytes, - ownerEncryption) { - var hashData = new Uint8Array(password.length + 56); - hashData.set(password, 0); - hashData.set(ownerKeySalt, password.length); - hashData.set(userBytes, password.length + ownerKeySalt.length); - var key = calculateSHA256(hashData, 0, hashData.length); - var cipher = new AES256Cipher(key); - return cipher.decryptBlock(ownerEncryption, - false, - new Uint8Array(16)); - - }, - getUserKey: function PDF17_getUserKey(password, userKeySalt, - userEncryption) { - var hashData = new Uint8Array(password.length + 8); - hashData.set(password, 0); - hashData.set(userKeySalt, password.length); - //key is the decryption key for the UE string - var key = calculateSHA256(hashData, 0, hashData.length); - var cipher = new AES256Cipher(key); - return cipher.decryptBlock(userEncryption, - false, - new Uint8Array(16)); - } - }; - return PDF17; -})(); - -var PDF20 = (function PDF20Closure() { - - function concatArrays(array1, array2) { - var t = new Uint8Array(array1.length + array2.length); - t.set(array1, 0); - t.set(array2, array1.length); - return t; - } - - function calculatePDF20Hash(password, input, userBytes) { - //This refers to Algorithm 2.B as defined in ISO 32000-2 - var k = calculateSHA256(input, 0, input.length).subarray(0, 32); - var e = [0]; - var i = 0; - while (i < 64 || e[e.length - 1] > i - 32) { - var arrayLength = password.length + k.length + userBytes.length; - - var k1 = new Uint8Array(arrayLength * 64); - var array = concatArrays(password, k); - array = concatArrays(array, userBytes); - for (var j = 0, pos = 0; j < 64; j++, pos += arrayLength) { - k1.set(array, pos); - } - //AES128 CBC NO PADDING with - //first 16 bytes of k as the key and the second 16 as the iv. - var cipher = new AES128Cipher(k.subarray(0, 16)); - e = cipher.encrypt(k1, k.subarray(16, 32)); - //Now we have to take the first 16 bytes of an unsigned - //big endian integer... and compute the remainder - //modulo 3.... That is a fairly large number and - //JavaScript isn't going to handle that well... - //So we're using a trick that allows us to perform - //modulo math byte by byte - var remainder = 0; - for (var z = 0; z < 16; z++) { - remainder *= (256 % 3); - remainder %= 3; - remainder += ((e[z] >>> 0) % 3); - remainder %= 3; - } - if (remainder === 0) { - k = calculateSHA256(e, 0, e.length); - } - else if (remainder === 1) { - k = calculateSHA384(e, 0, e.length); - } - else if (remainder === 2) { - k = calculateSHA512(e, 0, e.length); - } - i++; - } - return k.subarray(0, 32); - } - - function PDF20() { - } - - function compareByteArrays(array1, array2) { - if (array1.length !== array2.length) { - return false; - } - for (var i = 0; i < array1.length; i++) { - if (array1[i] !== array2[i]) { - return false; - } - } - return true; - } - - PDF20.prototype = { - hash: function PDF20_hash(password, concatBytes, userBytes) { - return calculatePDF20Hash(password, concatBytes, userBytes); - }, - checkOwnerPassword: function PDF20_checkOwnerPassword(password, - ownerValidationSalt, - userBytes, - ownerPassword) { - var hashData = new Uint8Array(password.length + 56); - hashData.set(password, 0); - hashData.set(ownerValidationSalt, password.length); - hashData.set(userBytes, password.length + ownerValidationSalt.length); - var result = calculatePDF20Hash(password, hashData, userBytes); - return compareByteArrays(result, ownerPassword); - }, - checkUserPassword: function PDF20_checkUserPassword(password, - userValidationSalt, - userPassword) { - var hashData = new Uint8Array(password.length + 8); - hashData.set(password, 0); - hashData.set(userValidationSalt, password.length); - var result = calculatePDF20Hash(password, hashData, []); - return compareByteArrays(result, userPassword); - }, - getOwnerKey: function PDF20_getOwnerKey(password, ownerKeySalt, userBytes, - ownerEncryption) { - var hashData = new Uint8Array(password.length + 56); - hashData.set(password, 0); - hashData.set(ownerKeySalt, password.length); - hashData.set(userBytes, password.length + ownerKeySalt.length); - var key = calculatePDF20Hash(password, hashData, userBytes); - var cipher = new AES256Cipher(key); - return cipher.decryptBlock(ownerEncryption, - false, - new Uint8Array(16)); - - }, - getUserKey: function PDF20_getUserKey(password, userKeySalt, - userEncryption) { - var hashData = new Uint8Array(password.length + 8); - hashData.set(password, 0); - hashData.set(userKeySalt, password.length); - //key is the decryption key for the UE string - var key = calculatePDF20Hash(password, hashData, []); - var cipher = new AES256Cipher(key); - return cipher.decryptBlock(userEncryption, - false, - new Uint8Array(16)); - } - }; - return PDF20; -})(); - -var CipherTransform = (function CipherTransformClosure() { - function CipherTransform(stringCipherConstructor, streamCipherConstructor) { - this.stringCipherConstructor = stringCipherConstructor; - this.streamCipherConstructor = streamCipherConstructor; - } - - CipherTransform.prototype = { - createStream: function CipherTransform_createStream(stream, length) { - var cipher = new this.streamCipherConstructor(); - return new DecryptStream(stream, length, - function cipherTransformDecryptStream(data, finalize) { - return cipher.decryptBlock(data, finalize); - } - ); - }, - decryptString: function CipherTransform_decryptString(s) { - var cipher = new this.stringCipherConstructor(); - var data = stringToBytes(s); - data = cipher.decryptBlock(data, true); - return bytesToString(data); - } - }; - return CipherTransform; -})(); - -var CipherTransformFactory = (function CipherTransformFactoryClosure() { - var defaultPasswordBytes = new Uint8Array([ - 0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41, - 0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08, - 0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80, - 0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]); - - function createEncryptionKey20(revision, password, ownerPassword, - ownerValidationSalt, ownerKeySalt, uBytes, - userPassword, userValidationSalt, userKeySalt, - ownerEncryption, userEncryption, perms) { - if (password) { - var passwordLength = Math.min(127, password.length); - password = password.subarray(0, passwordLength); - } else { - password = []; - } - var pdfAlgorithm; - if (revision === 6) { - pdfAlgorithm = new PDF20(); - } else { - pdfAlgorithm = new PDF17(); - } - - if (pdfAlgorithm) { - if (pdfAlgorithm.checkUserPassword(password, userValidationSalt, - userPassword)) { - return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption); - } else if (pdfAlgorithm.checkOwnerPassword(password, ownerValidationSalt, - uBytes, - ownerPassword)) { - return pdfAlgorithm.getOwnerKey(password, ownerKeySalt, uBytes, - ownerEncryption); - } - } - - return null; - } - - function prepareKeyData(fileId, password, ownerPassword, userPassword, - flags, revision, keyLength, encryptMetadata) { - var hashDataSize = 40 + ownerPassword.length + fileId.length; - var hashData = new Uint8Array(hashDataSize), i = 0, j, n; - if (password) { - n = Math.min(32, password.length); - for (; i < n; ++i) { - hashData[i] = password[i]; - } - } - j = 0; - while (i < 32) { - hashData[i++] = defaultPasswordBytes[j++]; - } - // as now the padded password in the hashData[0..i] - for (j = 0, n = ownerPassword.length; j < n; ++j) { - hashData[i++] = ownerPassword[j]; - } - hashData[i++] = flags & 0xFF; - hashData[i++] = (flags >> 8) & 0xFF; - hashData[i++] = (flags >> 16) & 0xFF; - hashData[i++] = (flags >>> 24) & 0xFF; - for (j = 0, n = fileId.length; j < n; ++j) { - hashData[i++] = fileId[j]; - } - if (revision >= 4 && !encryptMetadata) { - hashData[i++] = 0xFF; - hashData[i++] = 0xFF; - hashData[i++] = 0xFF; - hashData[i++] = 0xFF; - } - var hash = calculateMD5(hashData, 0, i); - var keyLengthInBytes = keyLength >> 3; - if (revision >= 3) { - for (j = 0; j < 50; ++j) { - hash = calculateMD5(hash, 0, keyLengthInBytes); - } - } - var encryptionKey = hash.subarray(0, keyLengthInBytes); - var cipher, checkData; - - if (revision >= 3) { - for (i = 0; i < 32; ++i) { - hashData[i] = defaultPasswordBytes[i]; - } - for (j = 0, n = fileId.length; j < n; ++j) { - hashData[i++] = fileId[j]; - } - cipher = new ARCFourCipher(encryptionKey); - checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i)); - n = encryptionKey.length; - var derivedKey = new Uint8Array(n), k; - for (j = 1; j <= 19; ++j) { - for (k = 0; k < n; ++k) { - derivedKey[k] = encryptionKey[k] ^ j; - } - cipher = new ARCFourCipher(derivedKey); - checkData = cipher.encryptBlock(checkData); - } - for (j = 0, n = checkData.length; j < n; ++j) { - if (userPassword[j] !== checkData[j]) { - return null; - } - } - } else { - cipher = new ARCFourCipher(encryptionKey); - checkData = cipher.encryptBlock(defaultPasswordBytes); - for (j = 0, n = checkData.length; j < n; ++j) { - if (userPassword[j] !== checkData[j]) { - return null; - } - } - } - return encryptionKey; - } - - function decodeUserPassword(password, ownerPassword, revision, keyLength) { - var hashData = new Uint8Array(32), i = 0, j, n; - n = Math.min(32, password.length); - for (; i < n; ++i) { - hashData[i] = password[i]; - } - j = 0; - while (i < 32) { - hashData[i++] = defaultPasswordBytes[j++]; - } - var hash = calculateMD5(hashData, 0, i); - var keyLengthInBytes = keyLength >> 3; - if (revision >= 3) { - for (j = 0; j < 50; ++j) { - hash = calculateMD5(hash, 0, hash.length); - } - } - - var cipher, userPassword; - if (revision >= 3) { - userPassword = ownerPassword; - var derivedKey = new Uint8Array(keyLengthInBytes), k; - for (j = 19; j >= 0; j--) { - for (k = 0; k < keyLengthInBytes; ++k) { - derivedKey[k] = hash[k] ^ j; - } - cipher = new ARCFourCipher(derivedKey); - userPassword = cipher.encryptBlock(userPassword); - } - } else { - cipher = new ARCFourCipher(hash.subarray(0, keyLengthInBytes)); - userPassword = cipher.encryptBlock(ownerPassword); - } - return userPassword; - } - - var identityName = Name.get('Identity'); - - function CipherTransformFactory(dict, fileId, password) { - var filter = dict.get('Filter'); - if (!isName(filter) || filter.name !== 'Standard') { - error('unknown encryption method'); - } - this.dict = dict; - var algorithm = dict.get('V'); - if (!isInt(algorithm) || - (algorithm !== 1 && algorithm !== 2 && algorithm !== 4 && - algorithm !== 5)) { - error('unsupported encryption algorithm'); - } - this.algorithm = algorithm; - var keyLength = dict.get('Length') || 40; - if (!isInt(keyLength) || - keyLength < 40 || (keyLength % 8) !== 0) { - error('invalid key length'); - } - - // prepare keys - var ownerPassword = stringToBytes(dict.get('O')).subarray(0, 32); - var userPassword = stringToBytes(dict.get('U')).subarray(0, 32); - var flags = dict.get('P'); - var revision = dict.get('R'); - // meaningful when V is 4 or 5 - var encryptMetadata = ((algorithm === 4 || algorithm === 5) && - dict.get('EncryptMetadata') !== false); - this.encryptMetadata = encryptMetadata; - - var fileIdBytes = stringToBytes(fileId); - var passwordBytes; - if (password) { - passwordBytes = stringToBytes(password); - } - - var encryptionKey; - if (algorithm !== 5) { - encryptionKey = prepareKeyData(fileIdBytes, passwordBytes, - ownerPassword, userPassword, flags, - revision, keyLength, encryptMetadata); - } - else { - var ownerValidationSalt = stringToBytes(dict.get('O')).subarray(32, 40); - var ownerKeySalt = stringToBytes(dict.get('O')).subarray(40, 48); - var uBytes = stringToBytes(dict.get('U')).subarray(0, 48); - var userValidationSalt = stringToBytes(dict.get('U')).subarray(32, 40); - var userKeySalt = stringToBytes(dict.get('U')).subarray(40, 48); - var ownerEncryption = stringToBytes(dict.get('OE')); - var userEncryption = stringToBytes(dict.get('UE')); - var perms = stringToBytes(dict.get('Perms')); - encryptionKey = - createEncryptionKey20(revision, passwordBytes, - ownerPassword, ownerValidationSalt, - ownerKeySalt, uBytes, - userPassword, userValidationSalt, - userKeySalt, ownerEncryption, - userEncryption, perms); - } - if (!encryptionKey && !password) { - throw new PasswordException('No password given', - PasswordResponses.NEED_PASSWORD); - } else if (!encryptionKey && password) { - // Attempting use the password as an owner password - var decodedPassword = decodeUserPassword(passwordBytes, ownerPassword, - revision, keyLength); - encryptionKey = prepareKeyData(fileIdBytes, decodedPassword, - ownerPassword, userPassword, flags, - revision, keyLength, encryptMetadata); - } - - if (!encryptionKey) { - throw new PasswordException('Incorrect Password', - PasswordResponses.INCORRECT_PASSWORD); - } - - this.encryptionKey = encryptionKey; - - if (algorithm >= 4) { - this.cf = dict.get('CF'); - this.stmf = dict.get('StmF') || identityName; - this.strf = dict.get('StrF') || identityName; - this.eff = dict.get('EFF') || this.strf; - } - } - - function buildObjectKey(num, gen, encryptionKey, isAes) { - var key = new Uint8Array(encryptionKey.length + 9), i, n; - for (i = 0, n = encryptionKey.length; i < n; ++i) { - key[i] = encryptionKey[i]; - } - key[i++] = num & 0xFF; - key[i++] = (num >> 8) & 0xFF; - key[i++] = (num >> 16) & 0xFF; - key[i++] = gen & 0xFF; - key[i++] = (gen >> 8) & 0xFF; - if (isAes) { - key[i++] = 0x73; - key[i++] = 0x41; - key[i++] = 0x6C; - key[i++] = 0x54; - } - var hash = calculateMD5(key, 0, i); - return hash.subarray(0, Math.min(encryptionKey.length + 5, 16)); - } - - function buildCipherConstructor(cf, name, num, gen, key) { - var cryptFilter = cf.get(name.name); - var cfm; - if (cryptFilter !== null && cryptFilter !== undefined) { - cfm = cryptFilter.get('CFM'); - } - if (!cfm || cfm.name === 'None') { - return function cipherTransformFactoryBuildCipherConstructorNone() { - return new NullCipher(); - }; - } - if ('V2' === cfm.name) { - return function cipherTransformFactoryBuildCipherConstructorV2() { - return new ARCFourCipher(buildObjectKey(num, gen, key, false)); - }; - } - if ('AESV2' === cfm.name) { - return function cipherTransformFactoryBuildCipherConstructorAESV2() { - return new AES128Cipher(buildObjectKey(num, gen, key, true)); - }; - } - if ('AESV3' === cfm.name) { - return function cipherTransformFactoryBuildCipherConstructorAESV3() { - return new AES256Cipher(key); - }; - } - error('Unknown crypto method'); - } - - CipherTransformFactory.prototype = { - createCipherTransform: - function CipherTransformFactory_createCipherTransform(num, gen) { - if (this.algorithm === 4 || this.algorithm === 5) { - return new CipherTransform( - buildCipherConstructor(this.cf, this.stmf, - num, gen, this.encryptionKey), - buildCipherConstructor(this.cf, this.strf, - num, gen, this.encryptionKey)); - } - // algorithms 1 and 2 - var key = buildObjectKey(num, gen, this.encryptionKey, false); - var cipherConstructor = function buildCipherCipherConstructor() { - return new ARCFourCipher(key); - }; - return new CipherTransform(cipherConstructor, cipherConstructor); - } - }; - - return CipherTransformFactory; -})(); - -var PatternType = { - FUNCTION_BASED: 1, - AXIAL: 2, - RADIAL: 3, - FREE_FORM_MESH: 4, - LATTICE_FORM_MESH: 5, - COONS_PATCH_MESH: 6, - TENSOR_PATCH_MESH: 7 -}; - -var Pattern = (function PatternClosure() { - // Constructor should define this.getPattern - function Pattern() { - error('should not call Pattern constructor'); - } - - Pattern.prototype = { - // Input: current Canvas context - // Output: the appropriate fillStyle or strokeStyle - getPattern: function Pattern_getPattern(ctx) { - error('Should not call Pattern.getStyle: ' + ctx); - } - }; - - Pattern.parseShading = function Pattern_parseShading(shading, matrix, xref, - res) { - - var dict = isStream(shading) ? shading.dict : shading; - var type = dict.get('ShadingType'); - - switch (type) { - case PatternType.AXIAL: - case PatternType.RADIAL: - // Both radial and axial shadings are handled by RadialAxial shading. - return new Shadings.RadialAxial(dict, matrix, xref, res); - case PatternType.FREE_FORM_MESH: - case PatternType.LATTICE_FORM_MESH: - case PatternType.COONS_PATCH_MESH: - case PatternType.TENSOR_PATCH_MESH: - return new Shadings.Mesh(shading, matrix, xref, res); - default: - UnsupportedManager.notify(UNSUPPORTED_FEATURES.shadingPattern); - return new Shadings.Dummy(); - } - }; - return Pattern; -})(); - -var Shadings = {}; - -// A small number to offset the first/last color stops so we can insert ones to -// support extend. Number.MIN_VALUE appears to be too small and breaks the -// extend. 1e-7 works in FF but chrome seems to use an even smaller sized number -// internally so we have to go bigger. -Shadings.SMALL_NUMBER = 1e-2; - -// Radial and axial shading have very similar implementations -// If needed, the implementations can be broken into two classes -Shadings.RadialAxial = (function RadialAxialClosure() { - function RadialAxial(dict, matrix, xref, res) { - this.matrix = matrix; - this.coordsArr = dict.get('Coords'); - this.shadingType = dict.get('ShadingType'); - this.type = 'Pattern'; - var cs = dict.get('ColorSpace', 'CS'); - cs = ColorSpace.parse(cs, xref, res); - this.cs = cs; - - var t0 = 0.0, t1 = 1.0; - if (dict.has('Domain')) { - var domainArr = dict.get('Domain'); - t0 = domainArr[0]; - t1 = domainArr[1]; - } - - var extendStart = false, extendEnd = false; - if (dict.has('Extend')) { - var extendArr = dict.get('Extend'); - extendStart = extendArr[0]; - extendEnd = extendArr[1]; - } - - if (this.shadingType === PatternType.RADIAL && - (!extendStart || !extendEnd)) { - // Radial gradient only currently works if either circle is fully within - // the other circle. - var x1 = this.coordsArr[0]; - var y1 = this.coordsArr[1]; - var r1 = this.coordsArr[2]; - var x2 = this.coordsArr[3]; - var y2 = this.coordsArr[4]; - var r2 = this.coordsArr[5]; - var distance = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)); - if (r1 <= r2 + distance && - r2 <= r1 + distance) { - warn('Unsupported radial gradient.'); - } - } - - this.extendStart = extendStart; - this.extendEnd = extendEnd; - - var fnObj = dict.get('Function'); - var fn = PDFFunction.parseArray(xref, fnObj); - - // 10 samples seems good enough for now, but probably won't work - // if there are sharp color changes. Ideally, we would implement - // the spec faithfully and add lossless optimizations. - var diff = t1 - t0; - var step = diff / 10; - - var colorStops = this.colorStops = []; - - // Protect against bad domains so we don't end up in an infinte loop below. - if (t0 >= t1 || step <= 0) { - // Acrobat doesn't seem to handle these cases so we'll ignore for - // now. - info('Bad shading domain.'); - return; - } - - var color = new Float32Array(cs.numComps), ratio = new Float32Array(1); - var rgbColor; - for (var i = t0; i <= t1; i += step) { - ratio[0] = i; - fn(ratio, 0, color, 0); - rgbColor = cs.getRgb(color, 0); - var cssColor = Util.makeCssRgb(rgbColor); - colorStops.push([(i - t0) / diff, cssColor]); - } - - var background = 'transparent'; - if (dict.has('Background')) { - rgbColor = cs.getRgb(dict.get('Background'), 0); - background = Util.makeCssRgb(rgbColor); - } - - if (!extendStart) { - // Insert a color stop at the front and offset the first real color stop - // so it doesn't conflict with the one we insert. - colorStops.unshift([0, background]); - colorStops[1][0] += Shadings.SMALL_NUMBER; - } - if (!extendEnd) { - // Same idea as above in extendStart but for the end. - colorStops[colorStops.length - 1][0] -= Shadings.SMALL_NUMBER; - colorStops.push([1, background]); - } - - this.colorStops = colorStops; - } - - RadialAxial.prototype = { - getIR: function RadialAxial_getIR() { - var coordsArr = this.coordsArr; - var shadingType = this.shadingType; - var type, p0, p1, r0, r1; - if (shadingType === PatternType.AXIAL) { - p0 = [coordsArr[0], coordsArr[1]]; - p1 = [coordsArr[2], coordsArr[3]]; - r0 = null; - r1 = null; - type = 'axial'; - } else if (shadingType === PatternType.RADIAL) { - p0 = [coordsArr[0], coordsArr[1]]; - p1 = [coordsArr[3], coordsArr[4]]; - r0 = coordsArr[2]; - r1 = coordsArr[5]; - type = 'radial'; - } else { - error('getPattern type unknown: ' + shadingType); - } - - var matrix = this.matrix; - if (matrix) { - p0 = Util.applyTransform(p0, matrix); - p1 = Util.applyTransform(p1, matrix); - } - - return ['RadialAxial', type, this.colorStops, p0, p1, r0, r1]; - } - }; - - return RadialAxial; -})(); - -// All mesh shading. For now, they will be presented as set of the triangles -// to be drawn on the canvas and rgb color for each vertex. -Shadings.Mesh = (function MeshClosure() { - function MeshStreamReader(stream, context) { - this.stream = stream; - this.context = context; - this.buffer = 0; - this.bufferLength = 0; - - var numComps = context.numComps; - this.tmpCompsBuf = new Float32Array(numComps); - var csNumComps = context.colorSpace; - this.tmpCsCompsBuf = context.colorFn ? new Float32Array(csNumComps) : - this.tmpCompsBuf; - } - MeshStreamReader.prototype = { - get hasData() { - if (this.stream.end) { - return this.stream.pos < this.stream.end; - } - if (this.bufferLength > 0) { - return true; - } - var nextByte = this.stream.getByte(); - if (nextByte < 0) { - return false; - } - this.buffer = nextByte; - this.bufferLength = 8; - return true; - }, - readBits: function MeshStreamReader_readBits(n) { - var buffer = this.buffer; - var bufferLength = this.bufferLength; - if (n === 32) { - if (bufferLength === 0) { - return ((this.stream.getByte() << 24) | - (this.stream.getByte() << 16) | (this.stream.getByte() << 8) | - this.stream.getByte()) >>> 0; - } - buffer = (buffer << 24) | (this.stream.getByte() << 16) | - (this.stream.getByte() << 8) | this.stream.getByte(); - var nextByte = this.stream.getByte(); - this.buffer = nextByte & ((1 << bufferLength) - 1); - return ((buffer << (8 - bufferLength)) | - ((nextByte & 0xFF) >> bufferLength)) >>> 0; - } - if (n === 8 && bufferLength === 0) { - return this.stream.getByte(); - } - while (bufferLength < n) { - buffer = (buffer << 8) | this.stream.getByte(); - bufferLength += 8; - } - bufferLength -= n; - this.bufferLength = bufferLength; - this.buffer = buffer & ((1 << bufferLength) - 1); - return buffer >> bufferLength; - }, - align: function MeshStreamReader_align() { - this.buffer = 0; - this.bufferLength = 0; - }, - readFlag: function MeshStreamReader_readFlag() { - return this.readBits(this.context.bitsPerFlag); - }, - readCoordinate: function MeshStreamReader_readCoordinate() { - var bitsPerCoordinate = this.context.bitsPerCoordinate; - var xi = this.readBits(bitsPerCoordinate); - var yi = this.readBits(bitsPerCoordinate); - var decode = this.context.decode; - var scale = bitsPerCoordinate < 32 ? 1 / ((1 << bitsPerCoordinate) - 1) : - 2.3283064365386963e-10; // 2 ^ -32 - return [ - xi * scale * (decode[1] - decode[0]) + decode[0], - yi * scale * (decode[3] - decode[2]) + decode[2] - ]; - }, - readComponents: function MeshStreamReader_readComponents() { - var numComps = this.context.numComps; - var bitsPerComponent = this.context.bitsPerComponent; - var scale = bitsPerComponent < 32 ? 1 / ((1 << bitsPerComponent) - 1) : - 2.3283064365386963e-10; // 2 ^ -32 - var decode = this.context.decode; - var components = this.tmpCompsBuf; - for (var i = 0, j = 4; i < numComps; i++, j += 2) { - var ci = this.readBits(bitsPerComponent); - components[i] = ci * scale * (decode[j + 1] - decode[j]) + decode[j]; - } - var color = this.tmpCsCompsBuf; - if (this.context.colorFn) { - this.context.colorFn(components, 0, color, 0); - } - return this.context.colorSpace.getRgb(color, 0); - } - }; - - function decodeType4Shading(mesh, reader) { - var coords = mesh.coords; - var colors = mesh.colors; - var operators = []; - var ps = []; // not maintaining cs since that will match ps - var verticesLeft = 0; // assuming we have all data to start a new triangle - while (reader.hasData) { - var f = reader.readFlag(); - var coord = reader.readCoordinate(); - var color = reader.readComponents(); - if (verticesLeft === 0) { // ignoring flags if we started a triangle - assert(0 <= f && f <= 2, 'Unknown type4 flag'); - switch (f) { - case 0: - verticesLeft = 3; - break; - case 1: - ps.push(ps[ps.length - 2], ps[ps.length - 1]); - verticesLeft = 1; - break; - case 2: - ps.push(ps[ps.length - 3], ps[ps.length - 1]); - verticesLeft = 1; - break; - } - operators.push(f); - } - ps.push(coords.length); - coords.push(coord); - colors.push(color); - verticesLeft--; - - reader.align(); - } - - var psPacked = new Int32Array(ps); - - mesh.figures.push({ - type: 'triangles', - coords: psPacked, - colors: psPacked - }); - } - - function decodeType5Shading(mesh, reader, verticesPerRow) { - var coords = mesh.coords; - var colors = mesh.colors; - var ps = []; // not maintaining cs since that will match ps - while (reader.hasData) { - var coord = reader.readCoordinate(); - var color = reader.readComponents(); - ps.push(coords.length); - coords.push(coord); - colors.push(color); - } - - var psPacked = new Int32Array(ps); - - mesh.figures.push({ - type: 'lattice', - coords: psPacked, - colors: psPacked, - verticesPerRow: verticesPerRow - }); - } - - var MIN_SPLIT_PATCH_CHUNKS_AMOUNT = 3; - var MAX_SPLIT_PATCH_CHUNKS_AMOUNT = 20; - - var TRIANGLE_DENSITY = 20; // count of triangles per entire mesh bounds - - var getB = (function getBClosure() { - function buildB(count) { - var lut = []; - for (var i = 0; i <= count; i++) { - var t = i / count, t_ = 1 - t; - lut.push(new Float32Array([t_ * t_ * t_, 3 * t * t_ * t_, - 3 * t * t * t_, t * t * t])); - } - return lut; - } - var cache = []; - return function getB(count) { - if (!cache[count]) { - cache[count] = buildB(count); - } - return cache[count]; - }; - })(); - - function buildFigureFromPatch(mesh, index) { - var figure = mesh.figures[index]; - assert(figure.type === 'patch', 'Unexpected patch mesh figure'); - - var coords = mesh.coords, colors = mesh.colors; - var pi = figure.coords; - var ci = figure.colors; - - var figureMinX = Math.min(coords[pi[0]][0], coords[pi[3]][0], - coords[pi[12]][0], coords[pi[15]][0]); - var figureMinY = Math.min(coords[pi[0]][1], coords[pi[3]][1], - coords[pi[12]][1], coords[pi[15]][1]); - var figureMaxX = Math.max(coords[pi[0]][0], coords[pi[3]][0], - coords[pi[12]][0], coords[pi[15]][0]); - var figureMaxY = Math.max(coords[pi[0]][1], coords[pi[3]][1], - coords[pi[12]][1], coords[pi[15]][1]); - var splitXBy = Math.ceil((figureMaxX - figureMinX) * TRIANGLE_DENSITY / - (mesh.bounds[2] - mesh.bounds[0])); - splitXBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, - Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitXBy)); - var splitYBy = Math.ceil((figureMaxY - figureMinY) * TRIANGLE_DENSITY / - (mesh.bounds[3] - mesh.bounds[1])); - splitYBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, - Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitYBy)); - - var verticesPerRow = splitXBy + 1; - var figureCoords = new Int32Array((splitYBy + 1) * verticesPerRow); - var figureColors = new Int32Array((splitYBy + 1) * verticesPerRow); - var k = 0; - var cl = new Uint8Array(3), cr = new Uint8Array(3); - var c0 = colors[ci[0]], c1 = colors[ci[1]], - c2 = colors[ci[2]], c3 = colors[ci[3]]; - var bRow = getB(splitYBy), bCol = getB(splitXBy); - for (var row = 0; row <= splitYBy; row++) { - cl[0] = ((c0[0] * (splitYBy - row) + c2[0] * row) / splitYBy) | 0; - cl[1] = ((c0[1] * (splitYBy - row) + c2[1] * row) / splitYBy) | 0; - cl[2] = ((c0[2] * (splitYBy - row) + c2[2] * row) / splitYBy) | 0; - - cr[0] = ((c1[0] * (splitYBy - row) + c3[0] * row) / splitYBy) | 0; - cr[1] = ((c1[1] * (splitYBy - row) + c3[1] * row) / splitYBy) | 0; - cr[2] = ((c1[2] * (splitYBy - row) + c3[2] * row) / splitYBy) | 0; - - for (var col = 0; col <= splitXBy; col++, k++) { - if ((row === 0 || row === splitYBy) && - (col === 0 || col === splitXBy)) { - continue; - } - var x = 0, y = 0; - var q = 0; - for (var i = 0; i <= 3; i++) { - for (var j = 0; j <= 3; j++, q++) { - var m = bRow[row][i] * bCol[col][j]; - x += coords[pi[q]][0] * m; - y += coords[pi[q]][1] * m; - } - } - figureCoords[k] = coords.length; - coords.push([x, y]); - figureColors[k] = colors.length; - var newColor = new Uint8Array(3); - newColor[0] = ((cl[0] * (splitXBy - col) + cr[0] * col) / splitXBy) | 0; - newColor[1] = ((cl[1] * (splitXBy - col) + cr[1] * col) / splitXBy) | 0; - newColor[2] = ((cl[2] * (splitXBy - col) + cr[2] * col) / splitXBy) | 0; - colors.push(newColor); - } - } - figureCoords[0] = pi[0]; - figureColors[0] = ci[0]; - figureCoords[splitXBy] = pi[3]; - figureColors[splitXBy] = ci[1]; - figureCoords[verticesPerRow * splitYBy] = pi[12]; - figureColors[verticesPerRow * splitYBy] = ci[2]; - figureCoords[verticesPerRow * splitYBy + splitXBy] = pi[15]; - figureColors[verticesPerRow * splitYBy + splitXBy] = ci[3]; - - mesh.figures[index] = { - type: 'lattice', - coords: figureCoords, - colors: figureColors, - verticesPerRow: verticesPerRow - }; - } - - function decodeType6Shading(mesh, reader) { - // A special case of Type 7. The p11, p12, p21, p22 automatically filled - var coords = mesh.coords; - var colors = mesh.colors; - var ps = new Int32Array(16); // p00, p10, ..., p30, p01, ..., p33 - var cs = new Int32Array(4); // c00, c30, c03, c33 - while (reader.hasData) { - var f = reader.readFlag(); - assert(0 <= f && f <= 3, 'Unknown type6 flag'); - var i, ii; - var pi = coords.length; - for (i = 0, ii = (f !== 0 ? 8 : 12); i < ii; i++) { - coords.push(reader.readCoordinate()); - } - var ci = colors.length; - for (i = 0, ii = (f !== 0 ? 2 : 4); i < ii; i++) { - colors.push(reader.readComponents()); - } - var tmp1, tmp2, tmp3, tmp4; - switch (f) { - case 0: - ps[12] = pi + 3; ps[13] = pi + 4; ps[14] = pi + 5; ps[15] = pi + 6; - ps[ 8] = pi + 2; /* values for 5, 6, 9, 10 are */ ps[11] = pi + 7; - ps[ 4] = pi + 1; /* calculated below */ ps[ 7] = pi + 8; - ps[ 0] = pi; ps[ 1] = pi + 11; ps[ 2] = pi + 10; ps[ 3] = pi + 9; - cs[2] = ci + 1; cs[3] = ci + 2; - cs[0] = ci; cs[1] = ci + 3; - break; - case 1: - tmp1 = ps[12]; tmp2 = ps[13]; tmp3 = ps[14]; tmp4 = ps[15]; - ps[12] = pi + 5; ps[13] = pi + 4; ps[14] = pi + 3; ps[15] = pi + 2; - ps[ 8] = pi + 6; /* values for 5, 6, 9, 10 are */ ps[11] = pi + 1; - ps[ 4] = pi + 7; /* calculated below */ ps[ 7] = pi; - ps[ 0] = tmp1; ps[ 1] = tmp2; ps[ 2] = tmp3; ps[ 3] = tmp4; - tmp1 = cs[2]; tmp2 = cs[3]; - cs[2] = ci + 1; cs[3] = ci; - cs[0] = tmp1; cs[1] = tmp2; - break; - case 2: - ps[12] = ps[15]; ps[13] = pi + 7; ps[14] = pi + 6; ps[15] = pi + 5; - ps[ 8] = ps[11]; /* values for 5, 6, 9, 10 are */ ps[11] = pi + 4; - ps[ 4] = ps[7]; /* calculated below */ ps[ 7] = pi + 3; - ps[ 0] = ps[3]; ps[ 1] = pi; ps[ 2] = pi + 1; ps[ 3] = pi + 2; - cs[2] = cs[3]; cs[3] = ci + 1; - cs[0] = cs[1]; cs[1] = ci; - break; - case 3: - ps[12] = ps[0]; ps[13] = ps[1]; ps[14] = ps[2]; ps[15] = ps[3]; - ps[ 8] = pi; /* values for 5, 6, 9, 10 are */ ps[11] = pi + 7; - ps[ 4] = pi + 1; /* calculated below */ ps[ 7] = pi + 6; - ps[ 0] = pi + 2; ps[ 1] = pi + 3; ps[ 2] = pi + 4; ps[ 3] = pi + 5; - cs[2] = cs[0]; cs[3] = cs[1]; - cs[0] = ci; cs[1] = ci + 1; - break; - } - // set p11, p12, p21, p22 - ps[5] = coords.length; - coords.push([ - (-4 * coords[ps[0]][0] - coords[ps[15]][0] + - 6 * (coords[ps[4]][0] + coords[ps[1]][0]) - - 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + - 3 * (coords[ps[13]][0] + coords[ps[7]][0])) / 9, - (-4 * coords[ps[0]][1] - coords[ps[15]][1] + - 6 * (coords[ps[4]][1] + coords[ps[1]][1]) - - 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + - 3 * (coords[ps[13]][1] + coords[ps[7]][1])) / 9 - ]); - ps[6] = coords.length; - coords.push([ - (-4 * coords[ps[3]][0] - coords[ps[12]][0] + - 6 * (coords[ps[2]][0] + coords[ps[7]][0]) - - 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + - 3 * (coords[ps[4]][0] + coords[ps[14]][0])) / 9, - (-4 * coords[ps[3]][1] - coords[ps[12]][1] + - 6 * (coords[ps[2]][1] + coords[ps[7]][1]) - - 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + - 3 * (coords[ps[4]][1] + coords[ps[14]][1])) / 9 - ]); - ps[9] = coords.length; - coords.push([ - (-4 * coords[ps[12]][0] - coords[ps[3]][0] + - 6 * (coords[ps[8]][0] + coords[ps[13]][0]) - - 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + - 3 * (coords[ps[11]][0] + coords[ps[1]][0])) / 9, - (-4 * coords[ps[12]][1] - coords[ps[3]][1] + - 6 * (coords[ps[8]][1] + coords[ps[13]][1]) - - 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + - 3 * (coords[ps[11]][1] + coords[ps[1]][1])) / 9 - ]); - ps[10] = coords.length; - coords.push([ - (-4 * coords[ps[15]][0] - coords[ps[0]][0] + - 6 * (coords[ps[11]][0] + coords[ps[14]][0]) - - 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + - 3 * (coords[ps[2]][0] + coords[ps[8]][0])) / 9, - (-4 * coords[ps[15]][1] - coords[ps[0]][1] + - 6 * (coords[ps[11]][1] + coords[ps[14]][1]) - - 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + - 3 * (coords[ps[2]][1] + coords[ps[8]][1])) / 9 - ]); - mesh.figures.push({ - type: 'patch', - coords: new Int32Array(ps), // making copies of ps and cs - colors: new Int32Array(cs) - }); - } - } - - function decodeType7Shading(mesh, reader) { - var coords = mesh.coords; - var colors = mesh.colors; - var ps = new Int32Array(16); // p00, p10, ..., p30, p01, ..., p33 - var cs = new Int32Array(4); // c00, c30, c03, c33 - while (reader.hasData) { - var f = reader.readFlag(); - assert(0 <= f && f <= 3, 'Unknown type7 flag'); - var i, ii; - var pi = coords.length; - for (i = 0, ii = (f !== 0 ? 12 : 16); i < ii; i++) { - coords.push(reader.readCoordinate()); - } - var ci = colors.length; - for (i = 0, ii = (f !== 0 ? 2 : 4); i < ii; i++) { - colors.push(reader.readComponents()); - } - var tmp1, tmp2, tmp3, tmp4; - switch (f) { - case 0: - ps[12] = pi + 3; ps[13] = pi + 4; ps[14] = pi + 5; ps[15] = pi + 6; - ps[ 8] = pi + 2; ps[ 9] = pi + 13; ps[10] = pi + 14; ps[11] = pi + 7; - ps[ 4] = pi + 1; ps[ 5] = pi + 12; ps[ 6] = pi + 15; ps[ 7] = pi + 8; - ps[ 0] = pi; ps[ 1] = pi + 11; ps[ 2] = pi + 10; ps[ 3] = pi + 9; - cs[2] = ci + 1; cs[3] = ci + 2; - cs[0] = ci; cs[1] = ci + 3; - break; - case 1: - tmp1 = ps[12]; tmp2 = ps[13]; tmp3 = ps[14]; tmp4 = ps[15]; - ps[12] = pi + 5; ps[13] = pi + 4; ps[14] = pi + 3; ps[15] = pi + 2; - ps[ 8] = pi + 6; ps[ 9] = pi + 11; ps[10] = pi + 10; ps[11] = pi + 1; - ps[ 4] = pi + 7; ps[ 5] = pi + 8; ps[ 6] = pi + 9; ps[ 7] = pi; - ps[ 0] = tmp1; ps[ 1] = tmp2; ps[ 2] = tmp3; ps[ 3] = tmp4; - tmp1 = cs[2]; tmp2 = cs[3]; - cs[2] = ci + 1; cs[3] = ci; - cs[0] = tmp1; cs[1] = tmp2; - break; - case 2: - ps[12] = ps[15]; ps[13] = pi + 7; ps[14] = pi + 6; ps[15] = pi + 5; - ps[ 8] = ps[11]; ps[ 9] = pi + 8; ps[10] = pi + 11; ps[11] = pi + 4; - ps[ 4] = ps[7]; ps[ 5] = pi + 9; ps[ 6] = pi + 10; ps[ 7] = pi + 3; - ps[ 0] = ps[3]; ps[ 1] = pi; ps[ 2] = pi + 1; ps[ 3] = pi + 2; - cs[2] = cs[3]; cs[3] = ci + 1; - cs[0] = cs[1]; cs[1] = ci; - break; - case 3: - ps[12] = ps[0]; ps[13] = ps[1]; ps[14] = ps[2]; ps[15] = ps[3]; - ps[ 8] = pi; ps[ 9] = pi + 9; ps[10] = pi + 8; ps[11] = pi + 7; - ps[ 4] = pi + 1; ps[ 5] = pi + 10; ps[ 6] = pi + 11; ps[ 7] = pi + 6; - ps[ 0] = pi + 2; ps[ 1] = pi + 3; ps[ 2] = pi + 4; ps[ 3] = pi + 5; - cs[2] = cs[0]; cs[3] = cs[1]; - cs[0] = ci; cs[1] = ci + 1; - break; - } - mesh.figures.push({ - type: 'patch', - coords: new Int32Array(ps), // making copies of ps and cs - colors: new Int32Array(cs) - }); - } - } - - function updateBounds(mesh) { - var minX = mesh.coords[0][0], minY = mesh.coords[0][1], - maxX = minX, maxY = minY; - for (var i = 1, ii = mesh.coords.length; i < ii; i++) { - var x = mesh.coords[i][0], y = mesh.coords[i][1]; - minX = minX > x ? x : minX; - minY = minY > y ? y : minY; - maxX = maxX < x ? x : maxX; - maxY = maxY < y ? y : maxY; - } - mesh.bounds = [minX, minY, maxX, maxY]; - } - - function packData(mesh) { - var i, ii, j, jj; - - var coords = mesh.coords; - var coordsPacked = new Float32Array(coords.length * 2); - for (i = 0, j = 0, ii = coords.length; i < ii; i++) { - var xy = coords[i]; - coordsPacked[j++] = xy[0]; - coordsPacked[j++] = xy[1]; - } - mesh.coords = coordsPacked; - - var colors = mesh.colors; - var colorsPacked = new Uint8Array(colors.length * 3); - for (i = 0, j = 0, ii = colors.length; i < ii; i++) { - var c = colors[i]; - colorsPacked[j++] = c[0]; - colorsPacked[j++] = c[1]; - colorsPacked[j++] = c[2]; - } - mesh.colors = colorsPacked; - - var figures = mesh.figures; - for (i = 0, ii = figures.length; i < ii; i++) { - var figure = figures[i], ps = figure.coords, cs = figure.colors; - for (j = 0, jj = ps.length; j < jj; j++) { - ps[j] *= 2; - cs[j] *= 3; - } - } - } - - function Mesh(stream, matrix, xref, res) { - assert(isStream(stream), 'Mesh data is not a stream'); - var dict = stream.dict; - this.matrix = matrix; - this.shadingType = dict.get('ShadingType'); - this.type = 'Pattern'; - this.bbox = dict.get('BBox'); - var cs = dict.get('ColorSpace', 'CS'); - cs = ColorSpace.parse(cs, xref, res); - this.cs = cs; - this.background = dict.has('Background') ? - cs.getRgb(dict.get('Background'), 0) : null; - - var fnObj = dict.get('Function'); - var fn = fnObj ? PDFFunction.parseArray(xref, fnObj) : null; - - this.coords = []; - this.colors = []; - this.figures = []; - - var decodeContext = { - bitsPerCoordinate: dict.get('BitsPerCoordinate'), - bitsPerComponent: dict.get('BitsPerComponent'), - bitsPerFlag: dict.get('BitsPerFlag'), - decode: dict.get('Decode'), - colorFn: fn, - colorSpace: cs, - numComps: fn ? 1 : cs.numComps - }; - var reader = new MeshStreamReader(stream, decodeContext); - - var patchMesh = false; - switch (this.shadingType) { - case PatternType.FREE_FORM_MESH: - decodeType4Shading(this, reader); - break; - case PatternType.LATTICE_FORM_MESH: - var verticesPerRow = dict.get('VerticesPerRow') | 0; - assert(verticesPerRow >= 2, 'Invalid VerticesPerRow'); - decodeType5Shading(this, reader, verticesPerRow); - break; - case PatternType.COONS_PATCH_MESH: - decodeType6Shading(this, reader); - patchMesh = true; - break; - case PatternType.TENSOR_PATCH_MESH: - decodeType7Shading(this, reader); - patchMesh = true; - break; - default: - error('Unsupported mesh type.'); - break; - } - - if (patchMesh) { - // dirty bounds calculation for determining, how dense shall be triangles - updateBounds(this); - for (var i = 0, ii = this.figures.length; i < ii; i++) { - buildFigureFromPatch(this, i); - } - } - // calculate bounds - updateBounds(this); - - packData(this); - } - - Mesh.prototype = { - getIR: function Mesh_getIR() { - return ['Mesh', this.shadingType, this.coords, this.colors, this.figures, - this.bounds, this.matrix, this.bbox, this.background]; - } - }; - - return Mesh; -})(); - -Shadings.Dummy = (function DummyClosure() { - function Dummy() { - this.type = 'Pattern'; - } - - Dummy.prototype = { - getIR: function Dummy_getIR() { - return ['Dummy']; - } - }; - return Dummy; -})(); - -function getTilingPatternIR(operatorList, dict, args) { - var matrix = dict.get('Matrix'); - var bbox = dict.get('BBox'); - var xstep = dict.get('XStep'); - var ystep = dict.get('YStep'); - var paintType = dict.get('PaintType'); - var tilingType = dict.get('TilingType'); - - return [ - 'TilingPattern', args, operatorList, matrix, bbox, xstep, ystep, - paintType, tilingType - ]; -} - - -var PartialEvaluator = (function PartialEvaluatorClosure() { - function PartialEvaluator(pdfManager, xref, handler, pageIndex, - uniquePrefix, idCounters, fontCache) { - this.pdfManager = pdfManager; - this.xref = xref; - this.handler = handler; - this.pageIndex = pageIndex; - this.uniquePrefix = uniquePrefix; - this.idCounters = idCounters; - this.fontCache = fontCache; - } - - // Trying to minimize Date.now() usage and check every 100 time - var TIME_SLOT_DURATION_MS = 20; - var CHECK_TIME_EVERY = 100; - function TimeSlotManager() { - this.reset(); - } - TimeSlotManager.prototype = { - check: function TimeSlotManager_check() { - if (++this.checked < CHECK_TIME_EVERY) { - return false; - } - this.checked = 0; - return this.endTime <= Date.now(); - }, - reset: function TimeSlotManager_reset() { - this.endTime = Date.now() + TIME_SLOT_DURATION_MS; - this.checked = 0; - } - }; - - var deferred = Promise.resolve(); - - var TILING_PATTERN = 1, SHADING_PATTERN = 2; - - PartialEvaluator.prototype = { - hasBlendModes: function PartialEvaluator_hasBlendModes(resources) { - if (!isDict(resources)) { - return false; - } - - var processed = Object.create(null); - if (resources.objId) { - processed[resources.objId] = true; - } - - var nodes = [resources]; - while (nodes.length) { - var key; - var node = nodes.shift(); - // First check the current resources for blend modes. - var graphicStates = node.get('ExtGState'); - if (isDict(graphicStates)) { - graphicStates = graphicStates.getAll(); - for (key in graphicStates) { - var graphicState = graphicStates[key]; - var bm = graphicState['BM']; - if (isName(bm) && bm.name !== 'Normal') { - return true; - } - } - } - // Descend into the XObjects to look for more resources and blend modes. - var xObjects = node.get('XObject'); - if (!isDict(xObjects)) { - continue; - } - xObjects = xObjects.getAll(); - for (key in xObjects) { - var xObject = xObjects[key]; - if (!isStream(xObject)) { - continue; - } - if (xObject.dict.objId) { - if (processed[xObject.dict.objId]) { - // stream has objId and is processed already - continue; - } - processed[xObject.dict.objId] = true; - } - var xResources = xObject.dict.get('Resources'); - // Checking objId to detect an infinite loop. - if (isDict(xResources) && - (!xResources.objId || !processed[xResources.objId])) { - nodes.push(xResources); - if (xResources.objId) { - processed[xResources.objId] = true; - } - } - } - } - return false; - }, - - buildFormXObject: function PartialEvaluator_buildFormXObject(resources, - xobj, smask, - operatorList, - initialState) { - var matrix = xobj.dict.get('Matrix'); - var bbox = xobj.dict.get('BBox'); - var group = xobj.dict.get('Group'); - if (group) { - var groupOptions = { - matrix: matrix, - bbox: bbox, - smask: smask, - isolated: false, - knockout: false - }; - - var groupSubtype = group.get('S'); - var colorSpace; - if (isName(groupSubtype) && groupSubtype.name === 'Transparency') { - groupOptions.isolated = (group.get('I') || false); - groupOptions.knockout = (group.get('K') || false); - colorSpace = (group.has('CS') ? - ColorSpace.parse(group.get('CS'), this.xref, resources) : null); - } - - if (smask && smask.backdrop) { - colorSpace = colorSpace || ColorSpace.singletons.rgb; - smask.backdrop = colorSpace.getRgb(smask.backdrop, 0); - } - - operatorList.addOp(OPS.beginGroup, [groupOptions]); - } - - operatorList.addOp(OPS.paintFormXObjectBegin, [matrix, bbox]); - - return this.getOperatorList(xobj, - (xobj.dict.get('Resources') || resources), operatorList, initialState). - then(function () { - operatorList.addOp(OPS.paintFormXObjectEnd, []); - - if (group) { - operatorList.addOp(OPS.endGroup, [groupOptions]); - } - }); - }, - - buildPaintImageXObject: - function PartialEvaluator_buildPaintImageXObject(resources, image, - inline, operatorList, - cacheKey, cache) { - var self = this; - var dict = image.dict; - var w = dict.get('Width', 'W'); - var h = dict.get('Height', 'H'); - - if (!(w && isNum(w)) || !(h && isNum(h))) { - warn('Image dimensions are missing, or not numbers.'); - return; - } - if (PDFJS.maxImageSize !== -1 && w * h > PDFJS.maxImageSize) { - warn('Image exceeded maximum allowed size and was removed.'); - return; - } - - var imageMask = (dict.get('ImageMask', 'IM') || false); - var imgData, args; - if (imageMask) { - // This depends on a tmpCanvas being filled with the - // current fillStyle, such that processing the pixel - // data can't be done here. Instead of creating a - // complete PDFImage, only read the information needed - // for later. - - var width = dict.get('Width', 'W'); - var height = dict.get('Height', 'H'); - var bitStrideLength = (width + 7) >> 3; - var imgArray = image.getBytes(bitStrideLength * height); - var decode = dict.get('Decode', 'D'); - var inverseDecode = (!!decode && decode[0] > 0); - - imgData = PDFImage.createMask(imgArray, width, height, - image instanceof DecodeStream, - inverseDecode); - imgData.cached = true; - args = [imgData]; - operatorList.addOp(OPS.paintImageMaskXObject, args); - if (cacheKey) { - cache.key = cacheKey; - cache.fn = OPS.paintImageMaskXObject; - cache.args = args; - } - return; - } - - var softMask = (dict.get('SMask', 'SM') || false); - var mask = (dict.get('Mask') || false); - - var SMALL_IMAGE_DIMENSIONS = 200; - // Inlining small images into the queue as RGB data - if (inline && !softMask && !mask && !(image instanceof JpegStream) && - (w + h) < SMALL_IMAGE_DIMENSIONS) { - var imageObj = new PDFImage(this.xref, resources, image, - inline, null, null); - // We force the use of RGBA_32BPP images here, because we can't handle - // any other kind. - imgData = imageObj.createImageData(/* forceRGBA = */ true); - operatorList.addOp(OPS.paintInlineImageXObject, [imgData]); - return; - } - - // If there is no imageMask, create the PDFImage and a lot - // of image processing can be done here. - var uniquePrefix = (this.uniquePrefix || ''); - var objId = 'img_' + uniquePrefix + (++this.idCounters.obj); - operatorList.addDependency(objId); - args = [objId, w, h]; - - if (!softMask && !mask && image instanceof JpegStream && - image.isNativelySupported(this.xref, resources)) { - // These JPEGs don't need any more processing so we can just send it. - operatorList.addOp(OPS.paintJpegXObject, args); - this.handler.send('obj', - [objId, this.pageIndex, 'JpegStream', image.getIR()]); - return; - } - - PDFImage.buildImage(self.handler, self.xref, resources, image, inline). - then(function(imageObj) { - var imgData = imageObj.createImageData(/* forceRGBA = */ false); - self.handler.send('obj', [objId, self.pageIndex, 'Image', imgData], - [imgData.data.buffer]); - }).then(null, function (reason) { - warn('Unable to decode image: ' + reason); - self.handler.send('obj', [objId, self.pageIndex, 'Image', null]); - }); - - operatorList.addOp(OPS.paintImageXObject, args); - if (cacheKey) { - cache.key = cacheKey; - cache.fn = OPS.paintImageXObject; - cache.args = args; - } - }, - - handleSMask: function PartialEvaluator_handleSmask(smask, resources, - operatorList, - stateManager) { - var smaskContent = smask.get('G'); - var smaskOptions = { - subtype: smask.get('S').name, - backdrop: smask.get('BC') - }; - return this.buildFormXObject(resources, smaskContent, smaskOptions, - operatorList, stateManager.state.clone()); - }, - - handleTilingType: - function PartialEvaluator_handleTilingType(fn, args, resources, - pattern, patternDict, - operatorList) { - // Create an IR of the pattern code. - var tilingOpList = new OperatorList(); - return this.getOperatorList(pattern, - (patternDict.get('Resources') || resources), tilingOpList). - then(function () { - // Add the dependencies to the parent operator list so they are - // resolved before sub operator list is executed synchronously. - operatorList.addDependencies(tilingOpList.dependencies); - operatorList.addOp(fn, getTilingPatternIR({ - fnArray: tilingOpList.fnArray, - argsArray: tilingOpList.argsArray - }, patternDict, args)); - }); - }, - - handleSetFont: - function PartialEvaluator_handleSetFont(resources, fontArgs, fontRef, - operatorList, state) { - // TODO(mack): Not needed? - var fontName; - if (fontArgs) { - fontArgs = fontArgs.slice(); - fontName = fontArgs[0].name; - } - - var self = this; - return this.loadFont(fontName, fontRef, this.xref, resources).then( - function (translated) { - if (!translated.font.isType3Font) { - return translated; - } - return translated.loadType3Data(self, resources, operatorList).then( - function () { - return translated; - }); - }).then(function (translated) { - state.font = translated.font; - translated.send(self.handler); - return translated.loadedName; - }); - }, - - handleText: function PartialEvaluator_handleText(chars, state) { - var font = state.font; - var glyphs = font.charsToGlyphs(chars); - var isAddToPathSet = !!(state.textRenderingMode & - TextRenderingMode.ADD_TO_PATH_FLAG); - if (font.data && (isAddToPathSet || PDFJS.disableFontFace)) { - var buildPath = function (fontChar) { - if (!font.renderer.hasBuiltPath(fontChar)) { - var path = font.renderer.getPathJs(fontChar); - this.handler.send('commonobj', [ - font.loadedName + '_path_' + fontChar, - 'FontPath', - path - ]); - } - }.bind(this); - - for (var i = 0, ii = glyphs.length; i < ii; i++) { - var glyph = glyphs[i]; - if (glyph === null) { - continue; - } - buildPath(glyph.fontChar); - - // If the glyph has an accent we need to build a path for its - // fontChar too, otherwise CanvasGraphics_paintChar will fail. - var accent = glyph.accent; - if (accent && accent.fontChar) { - buildPath(accent.fontChar); - } - } - } - - return glyphs; - }, - - setGState: function PartialEvaluator_setGState(resources, gState, - operatorList, xref, - stateManager) { - // This array holds the converted/processed state data. - var gStateObj = []; - var gStateMap = gState.map; - var self = this; - var promise = Promise.resolve(); - for (var key in gStateMap) { - var value = gStateMap[key]; - switch (key) { - case 'Type': - break; - case 'LW': - case 'LC': - case 'LJ': - case 'ML': - case 'D': - case 'RI': - case 'FL': - case 'CA': - case 'ca': - gStateObj.push([key, value]); - break; - case 'Font': - promise = promise.then(function () { - return self.handleSetFont(resources, null, value[0], - operatorList, stateManager.state). - then(function (loadedName) { - operatorList.addDependency(loadedName); - gStateObj.push([key, [loadedName, value[1]]]); - }); - }); - break; - case 'BM': - gStateObj.push([key, value]); - break; - case 'SMask': - if (isName(value) && value.name === 'None') { - gStateObj.push([key, false]); - break; - } - var dict = xref.fetchIfRef(value); - if (isDict(dict)) { - promise = promise.then(function () { - return self.handleSMask(dict, resources, operatorList, - stateManager); - }); - gStateObj.push([key, true]); - } else { - warn('Unsupported SMask type'); - } - - break; - // Only generate info log messages for the following since - // they are unlikely to have a big impact on the rendering. - case 'OP': - case 'op': - case 'OPM': - case 'BG': - case 'BG2': - case 'UCR': - case 'UCR2': - case 'TR': - case 'TR2': - case 'HT': - case 'SM': - case 'SA': - case 'AIS': - case 'TK': - // TODO implement these operators. - info('graphic state operator ' + key); - break; - default: - info('Unknown graphic state operator ' + key); - break; - } - } - return promise.then(function () { - if (gStateObj.length >= 0) { - operatorList.addOp(OPS.setGState, [gStateObj]); - } - }); - }, - - loadFont: function PartialEvaluator_loadFont(fontName, font, xref, - resources) { - - function errorFont() { - return Promise.resolve(new TranslatedFont('g_font_error', - new ErrorFont('Font ' + fontName + ' is not available'), font)); - } - var fontRef; - if (font) { // Loading by ref. - assert(isRef(font)); - fontRef = font; - } else { // Loading by name. - var fontRes = resources.get('Font'); - if (fontRes) { - fontRef = fontRes.getRaw(fontName); - } else { - warn('fontRes not available'); - return errorFont(); - } - } - if (!fontRef) { - warn('fontRef not available'); - return errorFont(); - } - - if (this.fontCache.has(fontRef)) { - return this.fontCache.get(fontRef); - } - - font = xref.fetchIfRef(fontRef); - if (!isDict(font)) { - return errorFont(); - } - - // We are holding font.translated references just for fontRef that are not - // dictionaries (Dict). See explanation below. - if (font.translated) { - return font.translated; - } - - var fontCapability = createPromiseCapability(); - - var preEvaluatedFont = this.preEvaluateFont(font, xref); - var descriptor = preEvaluatedFont.descriptor; - var fontID = fontRef.num + '_' + fontRef.gen; - if (isDict(descriptor)) { - if (!descriptor.fontAliases) { - descriptor.fontAliases = Object.create(null); - } - - var fontAliases = descriptor.fontAliases; - var hash = preEvaluatedFont.hash; - if (fontAliases[hash]) { - var aliasFontRef = fontAliases[hash].aliasRef; - if (aliasFontRef && this.fontCache.has(aliasFontRef)) { - this.fontCache.putAlias(fontRef, aliasFontRef); - return this.fontCache.get(fontRef); - } - } - - if (!fontAliases[hash]) { - fontAliases[hash] = { - fontID: Font.getFontID() - }; - } - - fontAliases[hash].aliasRef = fontRef; - fontID = fontAliases[hash].fontID; - } - - // Workaround for bad PDF generators that don't reference fonts - // properly, i.e. by not using an object identifier. - // Check if the fontRef is a Dict (as opposed to a standard object), - // in which case we don't cache the font and instead reference it by - // fontName in font.loadedName below. - var fontRefIsDict = isDict(fontRef); - if (!fontRefIsDict) { - this.fontCache.put(fontRef, fontCapability.promise); - } - - // Keep track of each font we translated so the caller can - // load them asynchronously before calling display on a page. - font.loadedName = 'g_font_' + (fontRefIsDict ? - fontName.replace(/\W/g, '') : fontID); - - font.translated = fontCapability.promise; - - // TODO move promises into translate font - var translatedPromise; - try { - translatedPromise = Promise.resolve( - this.translateFont(preEvaluatedFont, xref)); - } catch (e) { - translatedPromise = Promise.reject(e); - } - - translatedPromise.then(function (translatedFont) { - if (translatedFont.fontType !== undefined) { - var xrefFontStats = xref.stats.fontTypes; - xrefFontStats[translatedFont.fontType] = true; - } - - fontCapability.resolve(new TranslatedFont(font.loadedName, - translatedFont, font)); - }, function (reason) { - // TODO fontCapability.reject? - UnsupportedManager.notify(UNSUPPORTED_FEATURES.font); - - try { - // error, but it's still nice to have font type reported - var descriptor = preEvaluatedFont.descriptor; - var fontFile3 = descriptor && descriptor.get('FontFile3'); - var subtype = fontFile3 && fontFile3.get('Subtype'); - var fontType = getFontType(preEvaluatedFont.type, - subtype && subtype.name); - var xrefFontStats = xref.stats.fontTypes; - xrefFontStats[fontType] = true; - } catch (ex) { } - - fontCapability.resolve(new TranslatedFont(font.loadedName, - new ErrorFont(reason instanceof Error ? reason.message : reason), - font)); - }); - return fontCapability.promise; - }, - - buildPath: function PartialEvaluator_buildPath(operatorList, fn, args) { - var lastIndex = operatorList.length - 1; - if (!args) { - args = []; - } - if (lastIndex < 0 || - operatorList.fnArray[lastIndex] !== OPS.constructPath) { - operatorList.addOp(OPS.constructPath, [[fn], args]); - } else { - var opArgs = operatorList.argsArray[lastIndex]; - opArgs[0].push(fn); - Array.prototype.push.apply(opArgs[1], args); - } - }, - - handleColorN: function PartialEvaluator_handleColorN(operatorList, fn, args, - cs, patterns, resources, xref) { - // compile tiling patterns - var patternName = args[args.length - 1]; - // SCN/scn applies patterns along with normal colors - var pattern; - if (isName(patternName) && - (pattern = patterns.get(patternName.name))) { - var dict = (isStream(pattern) ? pattern.dict : pattern); - var typeNum = dict.get('PatternType'); - - if (typeNum === TILING_PATTERN) { - var color = cs.base ? cs.base.getRgb(args, 0) : null; - return this.handleTilingType(fn, color, resources, pattern, - dict, operatorList); - } else if (typeNum === SHADING_PATTERN) { - var shading = dict.get('Shading'); - var matrix = dict.get('Matrix'); - pattern = Pattern.parseShading(shading, matrix, xref, resources); - operatorList.addOp(fn, pattern.getIR()); - return Promise.resolve(); - } else { - return Promise.reject('Unknown PatternType: ' + typeNum); - } - } - // TODO shall we fail here? - operatorList.addOp(fn, args); - return Promise.resolve(); - }, - - getOperatorList: function PartialEvaluator_getOperatorList(stream, - resources, - operatorList, - initialState) { - - var self = this; - var xref = this.xref; - var imageCache = {}; - - assert(operatorList); - - resources = (resources || Dict.empty); - var xobjs = (resources.get('XObject') || Dict.empty); - var patterns = (resources.get('Pattern') || Dict.empty); - var stateManager = new StateManager(initialState || new EvalState()); - var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager); - var timeSlotManager = new TimeSlotManager(); - - return new Promise(function next(resolve, reject) { - timeSlotManager.reset(); - var stop, operation = {}, i, ii, cs; - while (!(stop = timeSlotManager.check())) { - // The arguments parsed by read() are used beyond this loop, so we - // cannot reuse the same array on each iteration. Therefore we pass - // in |null| as the initial value (see the comment on - // EvaluatorPreprocessor_read() for why). - operation.args = null; - if (!(preprocessor.read(operation))) { - break; - } - var args = operation.args; - var fn = operation.fn; - - switch (fn | 0) { - case OPS.paintXObject: - if (args[0].code) { - break; - } - // eagerly compile XForm objects - var name = args[0].name; - if (imageCache.key === name) { - operatorList.addOp(imageCache.fn, imageCache.args); - args = null; - continue; - } - - var xobj = xobjs.get(name); - if (xobj) { - assert(isStream(xobj), 'XObject should be a stream'); - - var type = xobj.dict.get('Subtype'); - assert(isName(type), - 'XObject should have a Name subtype'); - - if (type.name === 'Form') { - stateManager.save(); - return self.buildFormXObject(resources, xobj, null, - operatorList, - stateManager.state.clone()). - then(function () { - stateManager.restore(); - next(resolve, reject); - }, reject); - } else if (type.name === 'Image') { - self.buildPaintImageXObject(resources, xobj, false, - operatorList, name, imageCache); - args = null; - continue; - } else if (type.name === 'PS') { - // PostScript XObjects are unused when viewing documents. - // See section 4.7.1 of Adobe's PDF reference. - info('Ignored XObject subtype PS'); - continue; - } else { - error('Unhandled XObject subtype ' + type.name); - } - } - break; - case OPS.setFont: - var fontSize = args[1]; - // eagerly collect all fonts - return self.handleSetFont(resources, args, null, - operatorList, stateManager.state). - then(function (loadedName) { - operatorList.addDependency(loadedName); - operatorList.addOp(OPS.setFont, [loadedName, fontSize]); - next(resolve, reject); - }, reject); - case OPS.endInlineImage: - var cacheKey = args[0].cacheKey; - if (cacheKey && imageCache.key === cacheKey) { - operatorList.addOp(imageCache.fn, imageCache.args); - args = null; - continue; - } - self.buildPaintImageXObject(resources, args[0], true, - operatorList, cacheKey, imageCache); - args = null; - continue; - case OPS.showText: - args[0] = self.handleText(args[0], stateManager.state); - break; - case OPS.showSpacedText: - var arr = args[0]; - var combinedGlyphs = []; - var arrLength = arr.length; - for (i = 0; i < arrLength; ++i) { - var arrItem = arr[i]; - if (isString(arrItem)) { - Array.prototype.push.apply(combinedGlyphs, - self.handleText(arrItem, stateManager.state)); - } else if (isNum(arrItem)) { - combinedGlyphs.push(arrItem); - } - } - args[0] = combinedGlyphs; - fn = OPS.showText; - break; - case OPS.nextLineShowText: - operatorList.addOp(OPS.nextLine); - args[0] = self.handleText(args[0], stateManager.state); - fn = OPS.showText; - break; - case OPS.nextLineSetSpacingShowText: - operatorList.addOp(OPS.nextLine); - operatorList.addOp(OPS.setWordSpacing, [args.shift()]); - operatorList.addOp(OPS.setCharSpacing, [args.shift()]); - args[0] = self.handleText(args[0], stateManager.state); - fn = OPS.showText; - break; - case OPS.setTextRenderingMode: - stateManager.state.textRenderingMode = args[0]; - break; - - case OPS.setFillColorSpace: - stateManager.state.fillColorSpace = - ColorSpace.parse(args[0], xref, resources); - continue; - case OPS.setStrokeColorSpace: - stateManager.state.strokeColorSpace = - ColorSpace.parse(args[0], xref, resources); - continue; - case OPS.setFillColor: - cs = stateManager.state.fillColorSpace; - args = cs.getRgb(args, 0); - fn = OPS.setFillRGBColor; - break; - case OPS.setStrokeColor: - cs = stateManager.state.strokeColorSpace; - args = cs.getRgb(args, 0); - fn = OPS.setStrokeRGBColor; - break; - case OPS.setFillGray: - stateManager.state.fillColorSpace = ColorSpace.singletons.gray; - args = ColorSpace.singletons.gray.getRgb(args, 0); - fn = OPS.setFillRGBColor; - break; - case OPS.setStrokeGray: - stateManager.state.strokeColorSpace = ColorSpace.singletons.gray; - args = ColorSpace.singletons.gray.getRgb(args, 0); - fn = OPS.setStrokeRGBColor; - break; - case OPS.setFillCMYKColor: - stateManager.state.fillColorSpace = ColorSpace.singletons.cmyk; - args = ColorSpace.singletons.cmyk.getRgb(args, 0); - fn = OPS.setFillRGBColor; - break; - case OPS.setStrokeCMYKColor: - stateManager.state.strokeColorSpace = ColorSpace.singletons.cmyk; - args = ColorSpace.singletons.cmyk.getRgb(args, 0); - fn = OPS.setStrokeRGBColor; - break; - case OPS.setFillRGBColor: - stateManager.state.fillColorSpace = ColorSpace.singletons.rgb; - args = ColorSpace.singletons.rgb.getRgb(args, 0); - break; - case OPS.setStrokeRGBColor: - stateManager.state.strokeColorSpace = ColorSpace.singletons.rgb; - args = ColorSpace.singletons.rgb.getRgb(args, 0); - break; - case OPS.setFillColorN: - cs = stateManager.state.fillColorSpace; - if (cs.name === 'Pattern') { - return self.handleColorN(operatorList, OPS.setFillColorN, - args, cs, patterns, resources, xref).then(function() { - next(resolve, reject); - }, reject); - } - args = cs.getRgb(args, 0); - fn = OPS.setFillRGBColor; - break; - case OPS.setStrokeColorN: - cs = stateManager.state.strokeColorSpace; - if (cs.name === 'Pattern') { - return self.handleColorN(operatorList, OPS.setStrokeColorN, - args, cs, patterns, resources, xref).then(function() { - next(resolve, reject); - }, reject); - } - args = cs.getRgb(args, 0); - fn = OPS.setStrokeRGBColor; - break; - - case OPS.shadingFill: - var shadingRes = resources.get('Shading'); - if (!shadingRes) { - error('No shading resource found'); - } - - var shading = shadingRes.get(args[0].name); - if (!shading) { - error('No shading object found'); - } - - var shadingFill = Pattern.parseShading(shading, null, xref, - resources); - var patternIR = shadingFill.getIR(); - args = [patternIR]; - fn = OPS.shadingFill; - break; - case OPS.setGState: - var dictName = args[0]; - var extGState = resources.get('ExtGState'); - - if (!isDict(extGState) || !extGState.has(dictName.name)) { - break; - } - - var gState = extGState.get(dictName.name); - return self.setGState(resources, gState, operatorList, xref, - stateManager).then(function() { - next(resolve, reject); - }, reject); - case OPS.moveTo: - case OPS.lineTo: - case OPS.curveTo: - case OPS.curveTo2: - case OPS.curveTo3: - case OPS.closePath: - self.buildPath(operatorList, fn, args); - continue; - case OPS.rectangle: - self.buildPath(operatorList, fn, args); - continue; - } - operatorList.addOp(fn, args); - } - if (stop) { - deferred.then(function () { - next(resolve, reject); - }); - return; - } - // Some PDFs don't close all restores inside object/form. - // Closing those for them. - for (i = 0, ii = preprocessor.savedStatesDepth; i < ii; i++) { - operatorList.addOp(OPS.restore, []); - } - resolve(); - }); - }, - - getTextContent: function PartialEvaluator_getTextContent(stream, resources, - stateManager) { - - stateManager = (stateManager || new StateManager(new TextState())); - - var textContent = { - items: [], - styles: Object.create(null) - }; - var bidiTexts = textContent.items; - var SPACE_FACTOR = 0.35; - var MULTI_SPACE_FACTOR = 1.5; - - var self = this; - var xref = this.xref; - - resources = (xref.fetchIfRef(resources) || Dict.empty); - - // The xobj is parsed iff it's needed, e.g. if there is a `DO` cmd. - var xobjs = null; - var xobjsCache = {}; - - var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager); - - var textState; - - function newTextChunk() { - var font = textState.font; - if (!(font.loadedName in textContent.styles)) { - textContent.styles[font.loadedName] = { - fontFamily: font.fallbackName, - ascent: font.ascent, - descent: font.descent, - vertical: font.vertical - }; - } - return { - // |str| is initially an array which we push individual chars to, and - // then runBidi() overwrites it with the final string. - str: [], - dir: null, - width: 0, - height: 0, - transform: null, - fontName: font.loadedName - }; - } - - function runBidi(textChunk) { - var str = textChunk.str.join(''); - var bidiResult = PDFJS.bidi(str, -1, textState.font.vertical); - textChunk.str = bidiResult.str; - textChunk.dir = bidiResult.dir; - return textChunk; - } - - function handleSetFont(fontName, fontRef) { - return self.loadFont(fontName, fontRef, xref, resources). - then(function (translated) { - textState.font = translated.font; - textState.fontMatrix = translated.font.fontMatrix || - FONT_IDENTITY_MATRIX; - }); - } - - function buildTextGeometry(chars, textChunk) { - var font = textState.font; - textChunk = textChunk || newTextChunk(); - if (!textChunk.transform) { - // 9.4.4 Text Space Details - var tsm = [textState.fontSize * textState.textHScale, 0, - 0, textState.fontSize, - 0, textState.textRise]; - var trm = textChunk.transform = Util.transform(textState.ctm, - Util.transform(textState.textMatrix, tsm)); - if (!font.vertical) { - textChunk.height = Math.sqrt(trm[2] * trm[2] + trm[3] * trm[3]); - } else { - textChunk.width = Math.sqrt(trm[0] * trm[0] + trm[1] * trm[1]); - } - } - var width = 0; - var height = 0; - var glyphs = font.charsToGlyphs(chars); - var defaultVMetrics = font.defaultVMetrics; - for (var i = 0; i < glyphs.length; i++) { - var glyph = glyphs[i]; - if (!glyph) { // Previous glyph was a space. - width += textState.wordSpacing * textState.textHScale; - continue; - } - var vMetricX = null; - var vMetricY = null; - var glyphWidth = null; - if (font.vertical) { - if (glyph.vmetric) { - glyphWidth = glyph.vmetric[0]; - vMetricX = glyph.vmetric[1]; - vMetricY = glyph.vmetric[2]; - } else { - glyphWidth = glyph.width; - vMetricX = glyph.width * 0.5; - vMetricY = defaultVMetrics[2]; - } - } else { - glyphWidth = glyph.width; - } - - var glyphUnicode = glyph.unicode; - if (NormalizedUnicodes[glyphUnicode] !== undefined) { - glyphUnicode = NormalizedUnicodes[glyphUnicode]; - } - glyphUnicode = reverseIfRtl(glyphUnicode); - - // The following will calculate the x and y of the individual glyphs. - // if (font.vertical) { - // tsm[4] -= vMetricX * Math.abs(textState.fontSize) * - // textState.fontMatrix[0]; - // tsm[5] -= vMetricY * textState.fontSize * - // textState.fontMatrix[0]; - // } - // var trm = Util.transform(textState.textMatrix, tsm); - // var pt = Util.applyTransform([trm[4], trm[5]], textState.ctm); - // var x = pt[0]; - // var y = pt[1]; - - var tx = 0; - var ty = 0; - if (!font.vertical) { - var w0 = glyphWidth * textState.fontMatrix[0]; - tx = (w0 * textState.fontSize + textState.charSpacing) * - textState.textHScale; - width += tx; - } else { - var w1 = glyphWidth * textState.fontMatrix[0]; - ty = w1 * textState.fontSize + textState.charSpacing; - height += ty; - } - textState.translateTextMatrix(tx, ty); - - textChunk.str.push(glyphUnicode); - } - - var a = textState.textLineMatrix[0]; - var b = textState.textLineMatrix[1]; - var scaleLineX = Math.sqrt(a * a + b * b); - a = textState.ctm[0]; - b = textState.ctm[1]; - var scaleCtmX = Math.sqrt(a * a + b * b); - if (!font.vertical) { - textChunk.width += width * scaleCtmX * scaleLineX; - } else { - textChunk.height += Math.abs(height * scaleCtmX * scaleLineX); - } - return textChunk; - } - - var timeSlotManager = new TimeSlotManager(); - - return new Promise(function next(resolve, reject) { - timeSlotManager.reset(); - var stop, operation = {}, args = []; - while (!(stop = timeSlotManager.check())) { - // The arguments parsed by read() are not used beyond this loop, so - // we can reuse the same array on every iteration, thus avoiding - // unnecessary allocations. - args.length = 0; - operation.args = args; - if (!(preprocessor.read(operation))) { - break; - } - textState = stateManager.state; - var fn = operation.fn; - args = operation.args; - - switch (fn | 0) { - case OPS.setFont: - textState.fontSize = args[1]; - return handleSetFont(args[0].name).then(function() { - next(resolve, reject); - }, reject); - case OPS.setTextRise: - textState.textRise = args[0]; - break; - case OPS.setHScale: - textState.textHScale = args[0] / 100; - break; - case OPS.setLeading: - textState.leading = args[0]; - break; - case OPS.moveText: - textState.translateTextLineMatrix(args[0], args[1]); - textState.textMatrix = textState.textLineMatrix.slice(); - break; - case OPS.setLeadingMoveText: - textState.leading = -args[1]; - textState.translateTextLineMatrix(args[0], args[1]); - textState.textMatrix = textState.textLineMatrix.slice(); - break; - case OPS.nextLine: - textState.carriageReturn(); - break; - case OPS.setTextMatrix: - textState.setTextMatrix(args[0], args[1], args[2], args[3], - args[4], args[5]); - textState.setTextLineMatrix(args[0], args[1], args[2], args[3], - args[4], args[5]); - break; - case OPS.setCharSpacing: - textState.charSpacing = args[0]; - break; - case OPS.setWordSpacing: - textState.wordSpacing = args[0]; - break; - case OPS.beginText: - textState.textMatrix = IDENTITY_MATRIX.slice(); - textState.textLineMatrix = IDENTITY_MATRIX.slice(); - break; - case OPS.showSpacedText: - var items = args[0]; - var textChunk = newTextChunk(); - var offset; - for (var j = 0, jj = items.length; j < jj; j++) { - if (typeof items[j] === 'string') { - buildTextGeometry(items[j], textChunk); - } else { - var val = items[j] / 1000; - if (!textState.font.vertical) { - offset = -val * textState.fontSize * textState.textHScale * - textState.textMatrix[0]; - textState.translateTextMatrix(offset, 0); - textChunk.width += offset; - } else { - offset = -val * textState.fontSize * - textState.textMatrix[3]; - textState.translateTextMatrix(0, offset); - textChunk.height += offset; - } - if (items[j] < 0 && textState.font.spaceWidth > 0) { - var fakeSpaces = -items[j] / textState.font.spaceWidth; - if (fakeSpaces > MULTI_SPACE_FACTOR) { - fakeSpaces = Math.round(fakeSpaces); - while (fakeSpaces--) { - textChunk.str.push(' '); - } - } else if (fakeSpaces > SPACE_FACTOR) { - textChunk.str.push(' '); - } - } - } - } - bidiTexts.push(runBidi(textChunk)); - break; - case OPS.showText: - bidiTexts.push(runBidi(buildTextGeometry(args[0]))); - break; - case OPS.nextLineShowText: - textState.carriageReturn(); - bidiTexts.push(runBidi(buildTextGeometry(args[0]))); - break; - case OPS.nextLineSetSpacingShowText: - textState.wordSpacing = args[0]; - textState.charSpacing = args[1]; - textState.carriageReturn(); - bidiTexts.push(runBidi(buildTextGeometry(args[2]))); - break; - case OPS.paintXObject: - if (args[0].code) { - break; - } - - if (!xobjs) { - xobjs = (resources.get('XObject') || Dict.empty); - } - - var name = args[0].name; - if (xobjsCache.key === name) { - if (xobjsCache.texts) { - Util.appendToArray(bidiTexts, xobjsCache.texts.items); - Util.extendObj(textContent.styles, xobjsCache.texts.styles); - } - break; - } - - var xobj = xobjs.get(name); - if (!xobj) { - break; - } - assert(isStream(xobj), 'XObject should be a stream'); - - var type = xobj.dict.get('Subtype'); - assert(isName(type), - 'XObject should have a Name subtype'); - - if ('Form' !== type.name) { - xobjsCache.key = name; - xobjsCache.texts = null; - break; - } - - stateManager.save(); - var matrix = xobj.dict.get('Matrix'); - if (isArray(matrix) && matrix.length === 6) { - stateManager.transform(matrix); - } - - return self.getTextContent(xobj, - xobj.dict.get('Resources') || resources, stateManager). - then(function (formTextContent) { - Util.appendToArray(bidiTexts, formTextContent.items); - Util.extendObj(textContent.styles, formTextContent.styles); - stateManager.restore(); - - xobjsCache.key = name; - xobjsCache.texts = formTextContent; - - next(resolve, reject); - }, reject); - case OPS.setGState: - var dictName = args[0]; - var extGState = resources.get('ExtGState'); - - if (!isDict(extGState) || !extGState.has(dictName.name)) { - break; - } - - var gsStateMap = extGState.get(dictName.name); - var gsStateFont = null; - for (var key in gsStateMap) { - if (key === 'Font') { - assert(!gsStateFont); - gsStateFont = gsStateMap[key]; - } - } - if (gsStateFont) { - textState.fontSize = gsStateFont[1]; - return handleSetFont(gsStateFont[0]).then(function() { - next(resolve, reject); - }, reject); - } - break; - } // switch - } // while - if (stop) { - deferred.then(function () { - next(resolve, reject); - }); - return; - } - resolve(textContent); - }); - }, - - extractDataStructures: function - partialEvaluatorExtractDataStructures(dict, baseDict, - xref, properties) { - // 9.10.2 - var toUnicode = (dict.get('ToUnicode') || baseDict.get('ToUnicode')); - if (toUnicode) { - properties.toUnicode = this.readToUnicode(toUnicode); - } - if (properties.composite) { - // CIDSystemInfo helps to match CID to glyphs - var cidSystemInfo = dict.get('CIDSystemInfo'); - if (isDict(cidSystemInfo)) { - properties.cidSystemInfo = { - registry: cidSystemInfo.get('Registry'), - ordering: cidSystemInfo.get('Ordering'), - supplement: cidSystemInfo.get('Supplement') - }; - } - - var cidToGidMap = dict.get('CIDToGIDMap'); - if (isStream(cidToGidMap)) { - properties.cidToGidMap = this.readCidToGidMap(cidToGidMap); - } - } - - // Based on 9.6.6 of the spec the encoding can come from multiple places - // and depends on the font type. The base encoding and differences are - // read here, but the encoding that is actually used is chosen during - // glyph mapping in the font. - // TODO: Loading the built in encoding in the font would allow the - // differences to be merged in here not require us to hold on to it. - var differences = []; - var baseEncodingName = null; - var encoding; - if (dict.has('Encoding')) { - encoding = dict.get('Encoding'); - if (isDict(encoding)) { - baseEncodingName = encoding.get('BaseEncoding'); - baseEncodingName = (isName(baseEncodingName) ? - baseEncodingName.name : null); - // Load the differences between the base and original - if (encoding.has('Differences')) { - var diffEncoding = encoding.get('Differences'); - var index = 0; - for (var j = 0, jj = diffEncoding.length; j < jj; j++) { - var data = diffEncoding[j]; - if (isNum(data)) { - index = data; - } else { - differences[index++] = data.name; - } - } - } - } else if (isName(encoding)) { - baseEncodingName = encoding.name; - } else { - error('Encoding is not a Name nor a Dict'); - } - // According to table 114 if the encoding is a named encoding it must be - // one of these predefined encodings. - if ((baseEncodingName !== 'MacRomanEncoding' && - baseEncodingName !== 'MacExpertEncoding' && - baseEncodingName !== 'WinAnsiEncoding')) { - baseEncodingName = null; - } - } - - if (baseEncodingName) { - properties.defaultEncoding = Encodings[baseEncodingName].slice(); - } else { - encoding = (properties.type === 'TrueType' ? - Encodings.WinAnsiEncoding : Encodings.StandardEncoding); - // The Symbolic attribute can be misused for regular fonts - // Heuristic: we have to check if the font is a standard one also - if (!!(properties.flags & FontFlags.Symbolic)) { - encoding = Encodings.MacRomanEncoding; - if (!properties.file) { - if (/Symbol/i.test(properties.name)) { - encoding = Encodings.SymbolSetEncoding; - } else if (/Dingbats/i.test(properties.name)) { - encoding = Encodings.ZapfDingbatsEncoding; - } - } - } - properties.defaultEncoding = encoding; - } - - properties.differences = differences; - properties.baseEncodingName = baseEncodingName; - properties.dict = dict; - }, - - readToUnicode: function PartialEvaluator_readToUnicode(toUnicode) { - var cmap, cmapObj = toUnicode; - if (isName(cmapObj)) { - cmap = CMapFactory.create(cmapObj, - { url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null).getMap(); - return new ToUnicodeMap(cmap); - } else if (isStream(cmapObj)) { - cmap = CMapFactory.create(cmapObj, - { url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null).getMap(); - // Convert UTF-16BE - // NOTE: cmap can be a sparse array, so use forEach instead of for(;;) - // to iterate over all keys. - cmap.forEach(function(token, i) { - var str = []; - for (var k = 0; k < token.length; k += 2) { - var w1 = (token.charCodeAt(k) << 8) | token.charCodeAt(k + 1); - if ((w1 & 0xF800) !== 0xD800) { // w1 < 0xD800 || w1 > 0xDFFF - str.push(w1); - continue; - } - k += 2; - var w2 = (token.charCodeAt(k) << 8) | token.charCodeAt(k + 1); - str.push(((w1 & 0x3ff) << 10) + (w2 & 0x3ff) + 0x10000); - } - cmap[i] = String.fromCharCode.apply(String, str); - }); - return new ToUnicodeMap(cmap); - } - return null; - }, - - readCidToGidMap: function PartialEvaluator_readCidToGidMap(cidToGidStream) { - // Extract the encoding from the CIDToGIDMap - var glyphsData = cidToGidStream.getBytes(); - - // Set encoding 0 to later verify the font has an encoding - var result = []; - for (var j = 0, jj = glyphsData.length; j < jj; j++) { - var glyphID = (glyphsData[j++] << 8) | glyphsData[j]; - if (glyphID === 0) { - continue; - } - var code = j >> 1; - result[code] = glyphID; - } - return result; - }, - - extractWidths: function PartialEvaluator_extractWidths(dict, xref, - descriptor, - properties) { - var glyphsWidths = []; - var defaultWidth = 0; - var glyphsVMetrics = []; - var defaultVMetrics; - var i, ii, j, jj, start, code, widths; - if (properties.composite) { - defaultWidth = dict.get('DW') || 1000; - - widths = dict.get('W'); - if (widths) { - for (i = 0, ii = widths.length; i < ii; i++) { - start = widths[i++]; - code = xref.fetchIfRef(widths[i]); - if (isArray(code)) { - for (j = 0, jj = code.length; j < jj; j++) { - glyphsWidths[start++] = code[j]; - } - } else { - var width = widths[++i]; - for (j = start; j <= code; j++) { - glyphsWidths[j] = width; - } - } - } - } - - if (properties.vertical) { - var vmetrics = (dict.get('DW2') || [880, -1000]); - defaultVMetrics = [vmetrics[1], defaultWidth * 0.5, vmetrics[0]]; - vmetrics = dict.get('W2'); - if (vmetrics) { - for (i = 0, ii = vmetrics.length; i < ii; i++) { - start = vmetrics[i++]; - code = xref.fetchIfRef(vmetrics[i]); - if (isArray(code)) { - for (j = 0, jj = code.length; j < jj; j++) { - glyphsVMetrics[start++] = [code[j++], code[j++], code[j]]; - } - } else { - var vmetric = [vmetrics[++i], vmetrics[++i], vmetrics[++i]]; - for (j = start; j <= code; j++) { - glyphsVMetrics[j] = vmetric; - } - } - } - } - } - } else { - var firstChar = properties.firstChar; - widths = dict.get('Widths'); - if (widths) { - j = firstChar; - for (i = 0, ii = widths.length; i < ii; i++) { - glyphsWidths[j++] = widths[i]; - } - defaultWidth = (parseFloat(descriptor.get('MissingWidth')) || 0); - } else { - // Trying get the BaseFont metrics (see comment above). - var baseFontName = dict.get('BaseFont'); - if (isName(baseFontName)) { - var metrics = this.getBaseFontMetrics(baseFontName.name); - - glyphsWidths = this.buildCharCodeToWidth(metrics.widths, - properties); - defaultWidth = metrics.defaultWidth; - } - } - } - - // Heuristic: detection of monospace font by checking all non-zero widths - var isMonospace = true; - var firstWidth = defaultWidth; - for (var glyph in glyphsWidths) { - var glyphWidth = glyphsWidths[glyph]; - if (!glyphWidth) { - continue; - } - if (!firstWidth) { - firstWidth = glyphWidth; - continue; - } - if (firstWidth !== glyphWidth) { - isMonospace = false; - break; - } - } - if (isMonospace) { - properties.flags |= FontFlags.FixedPitch; - } - - properties.defaultWidth = defaultWidth; - properties.widths = glyphsWidths; - properties.defaultVMetrics = defaultVMetrics; - properties.vmetrics = glyphsVMetrics; - }, - - isSerifFont: function PartialEvaluator_isSerifFont(baseFontName) { - // Simulating descriptor flags attribute - var fontNameWoStyle = baseFontName.split('-')[0]; - return (fontNameWoStyle in serifFonts) || - (fontNameWoStyle.search(/serif/gi) !== -1); - }, - - getBaseFontMetrics: function PartialEvaluator_getBaseFontMetrics(name) { - var defaultWidth = 0; - var widths = []; - var monospace = false; - var lookupName = (stdFontMap[name] || name); - - if (!(lookupName in Metrics)) { - // Use default fonts for looking up font metrics if the passed - // font is not a base font - if (this.isSerifFont(name)) { - lookupName = 'Times-Roman'; - } else { - lookupName = 'Helvetica'; - } - } - var glyphWidths = Metrics[lookupName]; - - if (isNum(glyphWidths)) { - defaultWidth = glyphWidths; - monospace = true; - } else { - widths = glyphWidths; - } - - return { - defaultWidth: defaultWidth, - monospace: monospace, - widths: widths - }; - }, - - buildCharCodeToWidth: - function PartialEvaluator_bulildCharCodeToWidth(widthsByGlyphName, - properties) { - var widths = Object.create(null); - var differences = properties.differences; - var encoding = properties.defaultEncoding; - for (var charCode = 0; charCode < 256; charCode++) { - if (charCode in differences && - widthsByGlyphName[differences[charCode]]) { - widths[charCode] = widthsByGlyphName[differences[charCode]]; - continue; - } - if (charCode in encoding && widthsByGlyphName[encoding[charCode]]) { - widths[charCode] = widthsByGlyphName[encoding[charCode]]; - continue; - } - } - return widths; - }, - - preEvaluateFont: function PartialEvaluator_preEvaluateFont(dict, xref) { - var baseDict = dict; - var type = dict.get('Subtype'); - assert(isName(type), 'invalid font Subtype'); - - var composite = false; - var uint8array; - if (type.name === 'Type0') { - // If font is a composite - // - get the descendant font - // - set the type according to the descendant font - // - get the FontDescriptor from the descendant font - var df = dict.get('DescendantFonts'); - if (!df) { - error('Descendant fonts are not specified'); - } - dict = (isArray(df) ? xref.fetchIfRef(df[0]) : df); - - type = dict.get('Subtype'); - assert(isName(type), 'invalid font Subtype'); - composite = true; - } - - var descriptor = dict.get('FontDescriptor'); - if (descriptor) { - var hash = new MurmurHash3_64(); - var encoding = baseDict.getRaw('Encoding'); - if (isName(encoding)) { - hash.update(encoding.name); - } else if (isRef(encoding)) { - hash.update(encoding.num + '_' + encoding.gen); - } - - var toUnicode = dict.get('ToUnicode') || baseDict.get('ToUnicode'); - if (isStream(toUnicode)) { - var stream = toUnicode.str || toUnicode; - uint8array = stream.buffer ? - new Uint8Array(stream.buffer.buffer, 0, stream.bufferLength) : - new Uint8Array(stream.bytes.buffer, - stream.start, stream.end - stream.start); - hash.update(uint8array); - - } else if (isName(toUnicode)) { - hash.update(toUnicode.name); - } - - var widths = dict.get('Widths') || baseDict.get('Widths'); - if (widths) { - uint8array = new Uint8Array(new Uint32Array(widths).buffer); - hash.update(uint8array); - } - } - - return { - descriptor: descriptor, - dict: dict, - baseDict: baseDict, - composite: composite, - type: type.name, - hash: hash ? hash.hexdigest() : '' - }; - }, - - translateFont: function PartialEvaluator_translateFont(preEvaluatedFont, - xref) { - var baseDict = preEvaluatedFont.baseDict; - var dict = preEvaluatedFont.dict; - var composite = preEvaluatedFont.composite; - var descriptor = preEvaluatedFont.descriptor; - var type = preEvaluatedFont.type; - var maxCharIndex = (composite ? 0xFFFF : 0xFF); - var properties; - - if (!descriptor) { - if (type === 'Type3') { - // FontDescriptor is only required for Type3 fonts when the document - // is a tagged pdf. Create a barbebones one to get by. - descriptor = new Dict(null); - descriptor.set('FontName', Name.get(type)); - } else { - // Before PDF 1.5 if the font was one of the base 14 fonts, having a - // FontDescriptor was not required. - // This case is here for compatibility. - var baseFontName = dict.get('BaseFont'); - if (!isName(baseFontName)) { - error('Base font is not specified'); - } - - // Using base font name as a font name. - baseFontName = baseFontName.name.replace(/[,_]/g, '-'); - var metrics = this.getBaseFontMetrics(baseFontName); - - // Simulating descriptor flags attribute - var fontNameWoStyle = baseFontName.split('-')[0]; - var flags = - (this.isSerifFont(fontNameWoStyle) ? FontFlags.Serif : 0) | - (metrics.monospace ? FontFlags.FixedPitch : 0) | - (symbolsFonts[fontNameWoStyle] ? FontFlags.Symbolic : - FontFlags.Nonsymbolic); - - properties = { - type: type, - name: baseFontName, - widths: metrics.widths, - defaultWidth: metrics.defaultWidth, - flags: flags, - firstChar: 0, - lastChar: maxCharIndex - }; - this.extractDataStructures(dict, dict, xref, properties); - properties.widths = this.buildCharCodeToWidth(metrics.widths, - properties); - return new Font(baseFontName, null, properties); - } - } - - // According to the spec if 'FontDescriptor' is declared, 'FirstChar', - // 'LastChar' and 'Widths' should exist too, but some PDF encoders seem - // to ignore this rule when a variant of a standart font is used. - // TODO Fill the width array depending on which of the base font this is - // a variant. - var firstChar = (dict.get('FirstChar') || 0); - var lastChar = (dict.get('LastChar') || maxCharIndex); - - var fontName = descriptor.get('FontName'); - var baseFont = dict.get('BaseFont'); - // Some bad PDFs have a string as the font name. - if (isString(fontName)) { - fontName = Name.get(fontName); - } - if (isString(baseFont)) { - baseFont = Name.get(baseFont); - } - - if (type !== 'Type3') { - var fontNameStr = fontName && fontName.name; - var baseFontStr = baseFont && baseFont.name; - if (fontNameStr !== baseFontStr) { - info('The FontDescriptor\'s FontName is "' + fontNameStr + - '" but should be the same as the Font\'s BaseFont "' + - baseFontStr + '"'); - // Workaround for cases where e.g. fontNameStr = 'Arial' and - // baseFontStr = 'Arial,Bold' (needed when no font file is embedded). - if (fontNameStr && baseFontStr && - baseFontStr.indexOf(fontNameStr) === 0) { - fontName = baseFont; - } - } - } - fontName = (fontName || baseFont); - - assert(isName(fontName), 'invalid font name'); - - var fontFile = descriptor.get('FontFile', 'FontFile2', 'FontFile3'); - if (fontFile) { - if (fontFile.dict) { - var subtype = fontFile.dict.get('Subtype'); - if (subtype) { - subtype = subtype.name; - } - var length1 = fontFile.dict.get('Length1'); - var length2 = fontFile.dict.get('Length2'); - } - } - - properties = { - type: type, - name: fontName.name, - subtype: subtype, - file: fontFile, - length1: length1, - length2: length2, - loadedName: baseDict.loadedName, - composite: composite, - wideChars: composite, - fixedPitch: false, - fontMatrix: (dict.get('FontMatrix') || FONT_IDENTITY_MATRIX), - firstChar: firstChar || 0, - lastChar: (lastChar || maxCharIndex), - bbox: descriptor.get('FontBBox'), - ascent: descriptor.get('Ascent'), - descent: descriptor.get('Descent'), - xHeight: descriptor.get('XHeight'), - capHeight: descriptor.get('CapHeight'), - flags: descriptor.get('Flags'), - italicAngle: descriptor.get('ItalicAngle'), - coded: false - }; - - if (composite) { - var cidEncoding = baseDict.get('Encoding'); - if (isName(cidEncoding)) { - properties.cidEncoding = cidEncoding.name; - } - properties.cMap = CMapFactory.create(cidEncoding, - { url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null); - properties.vertical = properties.cMap.vertical; - } - this.extractDataStructures(dict, baseDict, xref, properties); - this.extractWidths(dict, xref, descriptor, properties); - - if (type === 'Type3') { - properties.isType3Font = true; - } - - return new Font(fontName.name, fontFile, properties); - } - }; - - return PartialEvaluator; -})(); - -var TranslatedFont = (function TranslatedFontClosure() { - function TranslatedFont(loadedName, font, dict) { - this.loadedName = loadedName; - this.font = font; - this.dict = dict; - this.type3Loaded = null; - this.sent = false; - } - TranslatedFont.prototype = { - send: function (handler) { - if (this.sent) { - return; - } - var fontData = this.font.exportData(); - handler.send('commonobj', [ - this.loadedName, - 'Font', - fontData - ]); - this.sent = true; - }, - loadType3Data: function (evaluator, resources, parentOperatorList) { - assert(this.font.isType3Font); - - if (this.type3Loaded) { - return this.type3Loaded; - } - - var translatedFont = this.font; - var loadCharProcsPromise = Promise.resolve(); - var charProcs = this.dict.get('CharProcs').getAll(); - var fontResources = this.dict.get('Resources') || resources; - var charProcKeys = Object.keys(charProcs); - var charProcOperatorList = {}; - for (var i = 0, n = charProcKeys.length; i < n; ++i) { - loadCharProcsPromise = loadCharProcsPromise.then(function (key) { - var glyphStream = charProcs[key]; - var operatorList = new OperatorList(); - return evaluator.getOperatorList(glyphStream, fontResources, - operatorList).then(function () { - charProcOperatorList[key] = operatorList.getIR(); - - // Add the dependencies to the parent operator list so they are - // resolved before sub operator list is executed synchronously. - parentOperatorList.addDependencies(operatorList.dependencies); - }, function (reason) { - warn('Type3 font resource \"' + key + '\" is not available'); - var operatorList = new OperatorList(); - charProcOperatorList[key] = operatorList.getIR(); - }); - }.bind(this, charProcKeys[i])); - } - this.type3Loaded = loadCharProcsPromise.then(function () { - translatedFont.charProcOperatorList = charProcOperatorList; - }); - return this.type3Loaded; - } - }; - return TranslatedFont; -})(); - -var OperatorList = (function OperatorListClosure() { - var CHUNK_SIZE = 1000; - var CHUNK_SIZE_ABOUT = CHUNK_SIZE - 5; // close to chunk size - - function getTransfers(queue) { - var transfers = []; - var fnArray = queue.fnArray, argsArray = queue.argsArray; - for (var i = 0, ii = queue.length; i < ii; i++) { - switch (fnArray[i]) { - case OPS.paintInlineImageXObject: - case OPS.paintInlineImageXObjectGroup: - case OPS.paintImageMaskXObject: - var arg = argsArray[i][0]; // first param in imgData - if (!arg.cached) { - transfers.push(arg.data.buffer); - } - break; - } - } - return transfers; - } - - function OperatorList(intent, messageHandler, pageIndex) { - this.messageHandler = messageHandler; - this.fnArray = []; - this.argsArray = []; - this.dependencies = {}; - this.pageIndex = pageIndex; - this.intent = intent; - } - - OperatorList.prototype = { - get length() { - return this.argsArray.length; - }, - - addOp: function(fn, args) { - this.fnArray.push(fn); - this.argsArray.push(args); - if (this.messageHandler) { - if (this.fnArray.length >= CHUNK_SIZE) { - this.flush(); - } else if (this.fnArray.length >= CHUNK_SIZE_ABOUT && - (fn === OPS.restore || fn === OPS.endText)) { - // heuristic to flush on boundary of restore or endText - this.flush(); - } - } - }, - - addDependency: function(dependency) { - if (dependency in this.dependencies) { - return; - } - this.dependencies[dependency] = true; - this.addOp(OPS.dependency, [dependency]); - }, - - addDependencies: function(dependencies) { - for (var key in dependencies) { - this.addDependency(key); - } - }, - - addOpList: function(opList) { - Util.extendObj(this.dependencies, opList.dependencies); - for (var i = 0, ii = opList.length; i < ii; i++) { - this.addOp(opList.fnArray[i], opList.argsArray[i]); - } - }, - - getIR: function() { - return { - fnArray: this.fnArray, - argsArray: this.argsArray, - length: this.length - }; - }, - - flush: function(lastChunk) { - if (this.intent !== 'oplist') { - new QueueOptimizer().optimize(this); - } - var transfers = getTransfers(this); - this.messageHandler.send('RenderPageChunk', { - operatorList: { - fnArray: this.fnArray, - argsArray: this.argsArray, - lastChunk: lastChunk, - length: this.length - }, - pageIndex: this.pageIndex, - intent: this.intent - }, transfers); - this.dependencies = {}; - this.fnArray.length = 0; - this.argsArray.length = 0; - } - }; - - return OperatorList; -})(); - -var StateManager = (function StateManagerClosure() { - function StateManager(initialState) { - this.state = initialState; - this.stateStack = []; - } - StateManager.prototype = { - save: function () { - var old = this.state; - this.stateStack.push(this.state); - this.state = old.clone(); - }, - restore: function () { - var prev = this.stateStack.pop(); - if (prev) { - this.state = prev; - } - }, - transform: function (args) { - this.state.ctm = Util.transform(this.state.ctm, args); - } - }; - return StateManager; -})(); - -var TextState = (function TextStateClosure() { - function TextState() { - this.ctm = new Float32Array(IDENTITY_MATRIX); - this.fontSize = 0; - this.font = null; - this.fontMatrix = FONT_IDENTITY_MATRIX; - this.textMatrix = IDENTITY_MATRIX.slice(); - this.textLineMatrix = IDENTITY_MATRIX.slice(); - this.charSpacing = 0; - this.wordSpacing = 0; - this.leading = 0; - this.textHScale = 1; - this.textRise = 0; - } - - TextState.prototype = { - setTextMatrix: function TextState_setTextMatrix(a, b, c, d, e, f) { - var m = this.textMatrix; - m[0] = a; m[1] = b; m[2] = c; m[3] = d; m[4] = e; m[5] = f; - }, - setTextLineMatrix: function TextState_setTextMatrix(a, b, c, d, e, f) { - var m = this.textLineMatrix; - m[0] = a; m[1] = b; m[2] = c; m[3] = d; m[4] = e; m[5] = f; - }, - translateTextMatrix: function TextState_translateTextMatrix(x, y) { - var m = this.textMatrix; - m[4] = m[0] * x + m[2] * y + m[4]; - m[5] = m[1] * x + m[3] * y + m[5]; - }, - translateTextLineMatrix: function TextState_translateTextMatrix(x, y) { - var m = this.textLineMatrix; - m[4] = m[0] * x + m[2] * y + m[4]; - m[5] = m[1] * x + m[3] * y + m[5]; - }, - calcRenderMatrix: function TextState_calcRendeMatrix(ctm) { - // 9.4.4 Text Space Details - var tsm = [this.fontSize * this.textHScale, 0, - 0, this.fontSize, - 0, this.textRise]; - return Util.transform(ctm, Util.transform(this.textMatrix, tsm)); - }, - carriageReturn: function TextState_carriageReturn() { - this.translateTextLineMatrix(0, -this.leading); - this.textMatrix = this.textLineMatrix.slice(); - }, - clone: function TextState_clone() { - var clone = Object.create(this); - clone.textMatrix = this.textMatrix.slice(); - clone.textLineMatrix = this.textLineMatrix.slice(); - clone.fontMatrix = this.fontMatrix.slice(); - return clone; - } - }; - return TextState; -})(); - -var EvalState = (function EvalStateClosure() { - function EvalState() { - this.ctm = new Float32Array(IDENTITY_MATRIX); - this.font = null; - this.textRenderingMode = TextRenderingMode.FILL; - this.fillColorSpace = ColorSpace.singletons.gray; - this.strokeColorSpace = ColorSpace.singletons.gray; - } - EvalState.prototype = { - clone: function CanvasExtraState_clone() { - return Object.create(this); - }, - }; - return EvalState; -})(); - -var EvaluatorPreprocessor = (function EvaluatorPreprocessorClosure() { - // Specifies properties for each command - // - // If variableArgs === true: [0, `numArgs`] expected - // If variableArgs === false: exactly `numArgs` expected - var OP_MAP = { - // Graphic state - w: { id: OPS.setLineWidth, numArgs: 1, variableArgs: false }, - J: { id: OPS.setLineCap, numArgs: 1, variableArgs: false }, - j: { id: OPS.setLineJoin, numArgs: 1, variableArgs: false }, - M: { id: OPS.setMiterLimit, numArgs: 1, variableArgs: false }, - d: { id: OPS.setDash, numArgs: 2, variableArgs: false }, - ri: { id: OPS.setRenderingIntent, numArgs: 1, variableArgs: false }, - i: { id: OPS.setFlatness, numArgs: 1, variableArgs: false }, - gs: { id: OPS.setGState, numArgs: 1, variableArgs: false }, - q: { id: OPS.save, numArgs: 0, variableArgs: false }, - Q: { id: OPS.restore, numArgs: 0, variableArgs: false }, - cm: { id: OPS.transform, numArgs: 6, variableArgs: false }, - - // Path - m: { id: OPS.moveTo, numArgs: 2, variableArgs: false }, - l: { id: OPS.lineTo, numArgs: 2, variableArgs: false }, - c: { id: OPS.curveTo, numArgs: 6, variableArgs: false }, - v: { id: OPS.curveTo2, numArgs: 4, variableArgs: false }, - y: { id: OPS.curveTo3, numArgs: 4, variableArgs: false }, - h: { id: OPS.closePath, numArgs: 0, variableArgs: false }, - re: { id: OPS.rectangle, numArgs: 4, variableArgs: false }, - S: { id: OPS.stroke, numArgs: 0, variableArgs: false }, - s: { id: OPS.closeStroke, numArgs: 0, variableArgs: false }, - f: { id: OPS.fill, numArgs: 0, variableArgs: false }, - F: { id: OPS.fill, numArgs: 0, variableArgs: false }, - 'f*': { id: OPS.eoFill, numArgs: 0, variableArgs: false }, - B: { id: OPS.fillStroke, numArgs: 0, variableArgs: false }, - 'B*': { id: OPS.eoFillStroke, numArgs: 0, variableArgs: false }, - b: { id: OPS.closeFillStroke, numArgs: 0, variableArgs: false }, - 'b*': { id: OPS.closeEOFillStroke, numArgs: 0, variableArgs: false }, - n: { id: OPS.endPath, numArgs: 0, variableArgs: false }, - - // Clipping - W: { id: OPS.clip, numArgs: 0, variableArgs: false }, - 'W*': { id: OPS.eoClip, numArgs: 0, variableArgs: false }, - - // Text - BT: { id: OPS.beginText, numArgs: 0, variableArgs: false }, - ET: { id: OPS.endText, numArgs: 0, variableArgs: false }, - Tc: { id: OPS.setCharSpacing, numArgs: 1, variableArgs: false }, - Tw: { id: OPS.setWordSpacing, numArgs: 1, variableArgs: false }, - Tz: { id: OPS.setHScale, numArgs: 1, variableArgs: false }, - TL: { id: OPS.setLeading, numArgs: 1, variableArgs: false }, - Tf: { id: OPS.setFont, numArgs: 2, variableArgs: false }, - Tr: { id: OPS.setTextRenderingMode, numArgs: 1, variableArgs: false }, - Ts: { id: OPS.setTextRise, numArgs: 1, variableArgs: false }, - Td: { id: OPS.moveText, numArgs: 2, variableArgs: false }, - TD: { id: OPS.setLeadingMoveText, numArgs: 2, variableArgs: false }, - Tm: { id: OPS.setTextMatrix, numArgs: 6, variableArgs: false }, - 'T*': { id: OPS.nextLine, numArgs: 0, variableArgs: false }, - Tj: { id: OPS.showText, numArgs: 1, variableArgs: false }, - TJ: { id: OPS.showSpacedText, numArgs: 1, variableArgs: false }, - '\'': { id: OPS.nextLineShowText, numArgs: 1, variableArgs: false }, - '"': { id: OPS.nextLineSetSpacingShowText, numArgs: 3, - variableArgs: false }, - - // Type3 fonts - d0: { id: OPS.setCharWidth, numArgs: 2, variableArgs: false }, - d1: { id: OPS.setCharWidthAndBounds, numArgs: 6, variableArgs: false }, - - // Color - CS: { id: OPS.setStrokeColorSpace, numArgs: 1, variableArgs: false }, - cs: { id: OPS.setFillColorSpace, numArgs: 1, variableArgs: false }, - SC: { id: OPS.setStrokeColor, numArgs: 4, variableArgs: true }, - SCN: { id: OPS.setStrokeColorN, numArgs: 33, variableArgs: true }, - sc: { id: OPS.setFillColor, numArgs: 4, variableArgs: true }, - scn: { id: OPS.setFillColorN, numArgs: 33, variableArgs: true }, - G: { id: OPS.setStrokeGray, numArgs: 1, variableArgs: false }, - g: { id: OPS.setFillGray, numArgs: 1, variableArgs: false }, - RG: { id: OPS.setStrokeRGBColor, numArgs: 3, variableArgs: false }, - rg: { id: OPS.setFillRGBColor, numArgs: 3, variableArgs: false }, - K: { id: OPS.setStrokeCMYKColor, numArgs: 4, variableArgs: false }, - k: { id: OPS.setFillCMYKColor, numArgs: 4, variableArgs: false }, - - // Shading - sh: { id: OPS.shadingFill, numArgs: 1, variableArgs: false }, - - // Images - BI: { id: OPS.beginInlineImage, numArgs: 0, variableArgs: false }, - ID: { id: OPS.beginImageData, numArgs: 0, variableArgs: false }, - EI: { id: OPS.endInlineImage, numArgs: 1, variableArgs: false }, - - // XObjects - Do: { id: OPS.paintXObject, numArgs: 1, variableArgs: false }, - MP: { id: OPS.markPoint, numArgs: 1, variableArgs: false }, - DP: { id: OPS.markPointProps, numArgs: 2, variableArgs: false }, - BMC: { id: OPS.beginMarkedContent, numArgs: 1, variableArgs: false }, - BDC: { id: OPS.beginMarkedContentProps, numArgs: 2, - variableArgs: false }, - EMC: { id: OPS.endMarkedContent, numArgs: 0, variableArgs: false }, - - // Compatibility - BX: { id: OPS.beginCompat, numArgs: 0, variableArgs: false }, - EX: { id: OPS.endCompat, numArgs: 0, variableArgs: false }, - - // (reserved partial commands for the lexer) - BM: null, - BD: null, - 'true': null, - fa: null, - fal: null, - fals: null, - 'false': null, - nu: null, - nul: null, - 'null': null - }; - - function EvaluatorPreprocessor(stream, xref, stateManager) { - // TODO(mduan): pass array of knownCommands rather than OP_MAP - // dictionary - this.parser = new Parser(new Lexer(stream, OP_MAP), false, xref); - this.stateManager = stateManager; - this.nonProcessedArgs = []; - } - - EvaluatorPreprocessor.prototype = { - get savedStatesDepth() { - return this.stateManager.stateStack.length; - }, - - // |operation| is an object with two fields: - // - // - |fn| is an out param. - // - // - |args| is an inout param. On entry, it should have one of two values. - // - // - An empty array. This indicates that the caller is providing the - // array in which the args will be stored in. The caller should use - // this value if it can reuse a single array for each call to read(). - // - // - |null|. This indicates that the caller needs this function to create - // the array in which any args are stored in. If there are zero args, - // this function will leave |operation.args| as |null| (thus avoiding - // allocations that would occur if we used an empty array to represent - // zero arguments). Otherwise, it will replace |null| with a new array - // containing the arguments. The caller should use this value if it - // cannot reuse an array for each call to read(). - // - // These two modes are present because this function is very hot and so - // avoiding allocations where possible is worthwhile. - // - read: function EvaluatorPreprocessor_read(operation) { - var args = operation.args; - while (true) { - var obj = this.parser.getObj(); - if (isCmd(obj)) { - var cmd = obj.cmd; - // Check that the command is valid - var opSpec = OP_MAP[cmd]; - if (!opSpec) { - warn('Unknown command "' + cmd + '"'); - continue; - } - - var fn = opSpec.id; - var numArgs = opSpec.numArgs; - var argsLength = args !== null ? args.length : 0; - - if (!opSpec.variableArgs) { - // Postscript commands can be nested, e.g. /F2 /GS2 gs 5.711 Tf - if (argsLength !== numArgs) { - var nonProcessedArgs = this.nonProcessedArgs; - while (argsLength > numArgs) { - nonProcessedArgs.push(args.shift()); - argsLength--; - } - while (argsLength < numArgs && nonProcessedArgs.length !== 0) { - if (!args) { - args = []; - } - args.unshift(nonProcessedArgs.pop()); - argsLength++; - } - } - - if (argsLength < numArgs) { - // If we receive too few args, it's not possible to possible - // to execute the command, so skip the command - info('Command ' + fn + ': because expected ' + - numArgs + ' args, but received ' + argsLength + - ' args; skipping'); - args = null; - continue; - } - } else if (argsLength > numArgs) { - info('Command ' + fn + ': expected [0,' + numArgs + - '] args, but received ' + argsLength + ' args'); - } - - // TODO figure out how to type-check vararg functions - this.preprocessCommand(fn, args); - - operation.fn = fn; - operation.args = args; - return true; - } else { - if (isEOF(obj)) { - return false; // no more commands - } - // argument - if (obj !== null) { - if (!args) { - args = []; - } - args.push((obj instanceof Dict ? obj.getAll() : obj)); - assert(args.length <= 33, 'Too many arguments'); - } - } - } - }, - - preprocessCommand: - function EvaluatorPreprocessor_preprocessCommand(fn, args) { - switch (fn | 0) { - case OPS.save: - this.stateManager.save(); - break; - case OPS.restore: - this.stateManager.restore(); - break; - case OPS.transform: - this.stateManager.transform(args); - break; - } - } - }; - return EvaluatorPreprocessor; -})(); - -var QueueOptimizer = (function QueueOptimizerClosure() { - function addState(parentState, pattern, fn) { - var state = parentState; - for (var i = 0, ii = pattern.length - 1; i < ii; i++) { - var item = pattern[i]; - state = (state[item] || (state[item] = [])); - } - state[pattern[pattern.length - 1]] = fn; - } - - function handlePaintSolidColorImageMask(iFirstSave, count, fnArray, - argsArray) { - // Handles special case of mainly LaTeX documents which use image masks to - // draw lines with the current fill style. - // 'count' groups of (save, transform, paintImageMaskXObject, restore)+ - // have been found at iFirstSave. - var iFirstPIMXO = iFirstSave + 2; - for (var i = 0; i < count; i++) { - var arg = argsArray[iFirstPIMXO + 4 * i]; - var imageMask = arg.length === 1 && arg[0]; - if (imageMask && imageMask.width === 1 && imageMask.height === 1 && - (!imageMask.data.length || - (imageMask.data.length === 1 && imageMask.data[0] === 0))) { - fnArray[iFirstPIMXO + 4 * i] = OPS.paintSolidColorImageMask; - continue; - } - break; - } - return count - i; - } - - var InitialState = []; - - // This replaces (save, transform, paintInlineImageXObject, restore)+ - // sequences with one |paintInlineImageXObjectGroup| operation. - addState(InitialState, - [OPS.save, OPS.transform, OPS.paintInlineImageXObject, OPS.restore], - function foundInlineImageGroup(context) { - var MIN_IMAGES_IN_INLINE_IMAGES_BLOCK = 10; - var MAX_IMAGES_IN_INLINE_IMAGES_BLOCK = 200; - var MAX_WIDTH = 1000; - var IMAGE_PADDING = 1; - - var fnArray = context.fnArray, argsArray = context.argsArray; - var curr = context.iCurr; - var iFirstSave = curr - 3; - var iFirstTransform = curr - 2; - var iFirstPIIXO = curr - 1; - - // Look for the quartets. - var i = iFirstSave + 4; - var ii = fnArray.length; - while (i + 3 < ii) { - if (fnArray[i] !== OPS.save || - fnArray[i + 1] !== OPS.transform || - fnArray[i + 2] !== OPS.paintInlineImageXObject || - fnArray[i + 3] !== OPS.restore) { - break; // ops don't match - } - i += 4; - } - - // At this point, i is the index of the first op past the last valid - // quartet. - var count = Math.min((i - iFirstSave) / 4, - MAX_IMAGES_IN_INLINE_IMAGES_BLOCK); - if (count < MIN_IMAGES_IN_INLINE_IMAGES_BLOCK) { - return i; - } - - // assuming that heights of those image is too small (~1 pixel) - // packing as much as possible by lines - var maxX = 0; - var map = [], maxLineHeight = 0; - var currentX = IMAGE_PADDING, currentY = IMAGE_PADDING; - var q; - for (q = 0; q < count; q++) { - var transform = argsArray[iFirstTransform + (q << 2)]; - var img = argsArray[iFirstPIIXO + (q << 2)][0]; - if (currentX + img.width > MAX_WIDTH) { - // starting new line - maxX = Math.max(maxX, currentX); - currentY += maxLineHeight + 2 * IMAGE_PADDING; - currentX = 0; - maxLineHeight = 0; - } - map.push({ - transform: transform, - x: currentX, y: currentY, - w: img.width, h: img.height - }); - currentX += img.width + 2 * IMAGE_PADDING; - maxLineHeight = Math.max(maxLineHeight, img.height); - } - var imgWidth = Math.max(maxX, currentX) + IMAGE_PADDING; - var imgHeight = currentY + maxLineHeight + IMAGE_PADDING; - var imgData = new Uint8Array(imgWidth * imgHeight * 4); - var imgRowSize = imgWidth << 2; - for (q = 0; q < count; q++) { - var data = argsArray[iFirstPIIXO + (q << 2)][0].data; - // Copy image by lines and extends pixels into padding. - var rowSize = map[q].w << 2; - var dataOffset = 0; - var offset = (map[q].x + map[q].y * imgWidth) << 2; - imgData.set(data.subarray(0, rowSize), offset - imgRowSize); - for (var k = 0, kk = map[q].h; k < kk; k++) { - imgData.set(data.subarray(dataOffset, dataOffset + rowSize), offset); - dataOffset += rowSize; - offset += imgRowSize; - } - imgData.set(data.subarray(dataOffset - rowSize, dataOffset), offset); - while (offset >= 0) { - data[offset - 4] = data[offset]; - data[offset - 3] = data[offset + 1]; - data[offset - 2] = data[offset + 2]; - data[offset - 1] = data[offset + 3]; - data[offset + rowSize] = data[offset + rowSize - 4]; - data[offset + rowSize + 1] = data[offset + rowSize - 3]; - data[offset + rowSize + 2] = data[offset + rowSize - 2]; - data[offset + rowSize + 3] = data[offset + rowSize - 1]; - offset -= imgRowSize; - } - } - - // Replace queue items. - fnArray.splice(iFirstSave, count * 4, OPS.paintInlineImageXObjectGroup); - argsArray.splice(iFirstSave, count * 4, - [{ width: imgWidth, height: imgHeight, kind: ImageKind.RGBA_32BPP, - data: imgData }, map]); - - return iFirstSave + 1; - }); - - // This replaces (save, transform, paintImageMaskXObject, restore)+ - // sequences with one |paintImageMaskXObjectGroup| or one - // |paintImageMaskXObjectRepeat| operation. - addState(InitialState, - [OPS.save, OPS.transform, OPS.paintImageMaskXObject, OPS.restore], - function foundImageMaskGroup(context) { - var MIN_IMAGES_IN_MASKS_BLOCK = 10; - var MAX_IMAGES_IN_MASKS_BLOCK = 100; - var MAX_SAME_IMAGES_IN_MASKS_BLOCK = 1000; - - var fnArray = context.fnArray, argsArray = context.argsArray; - var curr = context.iCurr; - var iFirstSave = curr - 3; - var iFirstTransform = curr - 2; - var iFirstPIMXO = curr - 1; - - // Look for the quartets. - var i = iFirstSave + 4; - var ii = fnArray.length; - while (i + 3 < ii) { - if (fnArray[i] !== OPS.save || - fnArray[i + 1] !== OPS.transform || - fnArray[i + 2] !== OPS.paintImageMaskXObject || - fnArray[i + 3] !== OPS.restore) { - break; // ops don't match - } - i += 4; - } - - // At this point, i is the index of the first op past the last valid - // quartet. - var count = (i - iFirstSave) / 4; - count = handlePaintSolidColorImageMask(iFirstSave, count, fnArray, - argsArray); - if (count < MIN_IMAGES_IN_MASKS_BLOCK) { - return i; - } - - var q; - var isSameImage = false; - var iTransform, transformArgs; - var firstPIMXOArg0 = argsArray[iFirstPIMXO][0]; - if (argsArray[iFirstTransform][1] === 0 && - argsArray[iFirstTransform][2] === 0) { - isSameImage = true; - var firstTransformArg0 = argsArray[iFirstTransform][0]; - var firstTransformArg3 = argsArray[iFirstTransform][3]; - iTransform = iFirstTransform + 4; - var iPIMXO = iFirstPIMXO + 4; - for (q = 1; q < count; q++, iTransform += 4, iPIMXO += 4) { - transformArgs = argsArray[iTransform]; - if (argsArray[iPIMXO][0] !== firstPIMXOArg0 || - transformArgs[0] !== firstTransformArg0 || - transformArgs[1] !== 0 || - transformArgs[2] !== 0 || - transformArgs[3] !== firstTransformArg3) { - if (q < MIN_IMAGES_IN_MASKS_BLOCK) { - isSameImage = false; - } else { - count = q; - } - break; // different image or transform - } - } - } - - if (isSameImage) { - count = Math.min(count, MAX_SAME_IMAGES_IN_MASKS_BLOCK); - var positions = new Float32Array(count * 2); - iTransform = iFirstTransform; - for (q = 0; q < count; q++, iTransform += 4) { - transformArgs = argsArray[iTransform]; - positions[(q << 1)] = transformArgs[4]; - positions[(q << 1) + 1] = transformArgs[5]; - } - - // Replace queue items. - fnArray.splice(iFirstSave, count * 4, OPS.paintImageMaskXObjectRepeat); - argsArray.splice(iFirstSave, count * 4, - [firstPIMXOArg0, firstTransformArg0, firstTransformArg3, positions]); - } else { - count = Math.min(count, MAX_IMAGES_IN_MASKS_BLOCK); - var images = []; - for (q = 0; q < count; q++) { - transformArgs = argsArray[iFirstTransform + (q << 2)]; - var maskParams = argsArray[iFirstPIMXO + (q << 2)][0]; - images.push({ data: maskParams.data, width: maskParams.width, - height: maskParams.height, - transform: transformArgs }); - } - - // Replace queue items. - fnArray.splice(iFirstSave, count * 4, OPS.paintImageMaskXObjectGroup); - argsArray.splice(iFirstSave, count * 4, [images]); - } - - return iFirstSave + 1; - }); - - // This replaces (save, transform, paintImageXObject, restore)+ sequences - // with one paintImageXObjectRepeat operation, if the |transform| and - // |paintImageXObjectRepeat| ops are appropriate. - addState(InitialState, - [OPS.save, OPS.transform, OPS.paintImageXObject, OPS.restore], - function (context) { - var MIN_IMAGES_IN_BLOCK = 3; - var MAX_IMAGES_IN_BLOCK = 1000; - - var fnArray = context.fnArray, argsArray = context.argsArray; - var curr = context.iCurr; - var iFirstSave = curr - 3; - var iFirstTransform = curr - 2; - var iFirstPIXO = curr - 1; - var iFirstRestore = curr; - - if (argsArray[iFirstTransform][1] !== 0 || - argsArray[iFirstTransform][2] !== 0) { - return iFirstRestore + 1; // transform has the wrong form - } - - // Look for the quartets. - var firstPIXOArg0 = argsArray[iFirstPIXO][0]; - var firstTransformArg0 = argsArray[iFirstTransform][0]; - var firstTransformArg3 = argsArray[iFirstTransform][3]; - var i = iFirstSave + 4; - var ii = fnArray.length; - while (i + 3 < ii) { - if (fnArray[i] !== OPS.save || - fnArray[i + 1] !== OPS.transform || - fnArray[i + 2] !== OPS.paintImageXObject || - fnArray[i + 3] !== OPS.restore) { - break; // ops don't match - } - if (argsArray[i + 1][0] !== firstTransformArg0 || - argsArray[i + 1][1] !== 0 || - argsArray[i + 1][2] !== 0 || - argsArray[i + 1][3] !== firstTransformArg3) { - break; // transforms don't match - } - if (argsArray[i + 2][0] !== firstPIXOArg0) { - break; // images don't match - } - i += 4; - } - - // At this point, i is the index of the first op past the last valid - // quartet. - var count = Math.min((i - iFirstSave) / 4, MAX_IMAGES_IN_BLOCK); - if (count < MIN_IMAGES_IN_BLOCK) { - return i; - } - - // Extract the (x,y) positions from all of the matching transforms. - var positions = new Float32Array(count * 2); - var iTransform = iFirstTransform; - for (var q = 0; q < count; q++, iTransform += 4) { - var transformArgs = argsArray[iTransform]; - positions[(q << 1)] = transformArgs[4]; - positions[(q << 1) + 1] = transformArgs[5]; - } - - // Replace queue items. - var args = [firstPIXOArg0, firstTransformArg0, firstTransformArg3, - positions]; - fnArray.splice(iFirstSave, count * 4, OPS.paintImageXObjectRepeat); - argsArray.splice(iFirstSave, count * 4, args); - - return iFirstSave + 1; - }); - - // This replaces (beginText, setFont, setTextMatrix, showText, endText)+ - // sequences with (beginText, setFont, (setTextMatrix, showText)+, endText)+ - // sequences, if the font for each one is the same. - addState(InitialState, - [OPS.beginText, OPS.setFont, OPS.setTextMatrix, OPS.showText, OPS.endText], - function (context) { - var MIN_CHARS_IN_BLOCK = 3; - var MAX_CHARS_IN_BLOCK = 1000; - - var fnArray = context.fnArray, argsArray = context.argsArray; - var curr = context.iCurr; - var iFirstBeginText = curr - 4; - var iFirstSetFont = curr - 3; - var iFirstSetTextMatrix = curr - 2; - var iFirstShowText = curr - 1; - var iFirstEndText = curr; - - // Look for the quintets. - var firstSetFontArg0 = argsArray[iFirstSetFont][0]; - var firstSetFontArg1 = argsArray[iFirstSetFont][1]; - var i = iFirstBeginText + 5; - var ii = fnArray.length; - while (i + 4 < ii) { - if (fnArray[i] !== OPS.beginText || - fnArray[i + 1] !== OPS.setFont || - fnArray[i + 2] !== OPS.setTextMatrix || - fnArray[i + 3] !== OPS.showText || - fnArray[i + 4] !== OPS.endText) { - break; // ops don't match - } - if (argsArray[i + 1][0] !== firstSetFontArg0 || - argsArray[i + 1][1] !== firstSetFontArg1) { - break; // fonts don't match - } - i += 5; - } - - // At this point, i is the index of the first op past the last valid - // quintet. - var count = Math.min(((i - iFirstBeginText) / 5), MAX_CHARS_IN_BLOCK); - if (count < MIN_CHARS_IN_BLOCK) { - return i; - } - - // If the preceding quintet is (, setFont, setTextMatrix, - // showText, endText), include that as well. (E.g. might be - // |dependency|.) - var iFirst = iFirstBeginText; - if (iFirstBeginText >= 4 && - fnArray[iFirstBeginText - 4] === fnArray[iFirstSetFont] && - fnArray[iFirstBeginText - 3] === fnArray[iFirstSetTextMatrix] && - fnArray[iFirstBeginText - 2] === fnArray[iFirstShowText] && - fnArray[iFirstBeginText - 1] === fnArray[iFirstEndText] && - argsArray[iFirstBeginText - 4][0] === firstSetFontArg0 && - argsArray[iFirstBeginText - 4][1] === firstSetFontArg1) { - count++; - iFirst -= 5; - } - - // Remove (endText, beginText, setFont) trios. - var iEndText = iFirst + 4; - for (var q = 1; q < count; q++) { - fnArray.splice(iEndText, 3); - argsArray.splice(iEndText, 3); - iEndText += 2; - } - - return iEndText + 1; - }); - - function QueueOptimizer() {} - - QueueOptimizer.prototype = { - optimize: function QueueOptimizer_optimize(queue) { - var fnArray = queue.fnArray, argsArray = queue.argsArray; - var context = { - iCurr: 0, - fnArray: fnArray, - argsArray: argsArray - }; - var state; - var i = 0, ii = fnArray.length; - while (i < ii) { - state = (state || InitialState)[fnArray[i]]; - if (typeof state === 'function') { // we found some handler - context.iCurr = i; - // state() returns the index of the first non-matching op (if we - // didn't match) or the first op past the modified ops (if we did - // match and replace). - i = state(context); - state = undefined; // reset the state machine - ii = context.fnArray.length; - } else { - i++; - } - } - } - }; - return QueueOptimizer; -})(); - - -var BUILT_IN_CMAPS = [ -// << Start unicode maps. -'Adobe-GB1-UCS2', -'Adobe-CNS1-UCS2', -'Adobe-Japan1-UCS2', -'Adobe-Korea1-UCS2', -// >> End unicode maps. -'78-EUC-H', -'78-EUC-V', -'78-H', -'78-RKSJ-H', -'78-RKSJ-V', -'78-V', -'78ms-RKSJ-H', -'78ms-RKSJ-V', -'83pv-RKSJ-H', -'90ms-RKSJ-H', -'90ms-RKSJ-V', -'90msp-RKSJ-H', -'90msp-RKSJ-V', -'90pv-RKSJ-H', -'90pv-RKSJ-V', -'Add-H', -'Add-RKSJ-H', -'Add-RKSJ-V', -'Add-V', -'Adobe-CNS1-0', -'Adobe-CNS1-1', -'Adobe-CNS1-2', -'Adobe-CNS1-3', -'Adobe-CNS1-4', -'Adobe-CNS1-5', -'Adobe-CNS1-6', -'Adobe-GB1-0', -'Adobe-GB1-1', -'Adobe-GB1-2', -'Adobe-GB1-3', -'Adobe-GB1-4', -'Adobe-GB1-5', -'Adobe-Japan1-0', -'Adobe-Japan1-1', -'Adobe-Japan1-2', -'Adobe-Japan1-3', -'Adobe-Japan1-4', -'Adobe-Japan1-5', -'Adobe-Japan1-6', -'Adobe-Korea1-0', -'Adobe-Korea1-1', -'Adobe-Korea1-2', -'B5-H', -'B5-V', -'B5pc-H', -'B5pc-V', -'CNS-EUC-H', -'CNS-EUC-V', -'CNS1-H', -'CNS1-V', -'CNS2-H', -'CNS2-V', -'ETHK-B5-H', -'ETHK-B5-V', -'ETen-B5-H', -'ETen-B5-V', -'ETenms-B5-H', -'ETenms-B5-V', -'EUC-H', -'EUC-V', -'Ext-H', -'Ext-RKSJ-H', -'Ext-RKSJ-V', -'Ext-V', -'GB-EUC-H', -'GB-EUC-V', -'GB-H', -'GB-V', -'GBK-EUC-H', -'GBK-EUC-V', -'GBK2K-H', -'GBK2K-V', -'GBKp-EUC-H', -'GBKp-EUC-V', -'GBT-EUC-H', -'GBT-EUC-V', -'GBT-H', -'GBT-V', -'GBTpc-EUC-H', -'GBTpc-EUC-V', -'GBpc-EUC-H', -'GBpc-EUC-V', -'H', -'HKdla-B5-H', -'HKdla-B5-V', -'HKdlb-B5-H', -'HKdlb-B5-V', -'HKgccs-B5-H', -'HKgccs-B5-V', -'HKm314-B5-H', -'HKm314-B5-V', -'HKm471-B5-H', -'HKm471-B5-V', -'HKscs-B5-H', -'HKscs-B5-V', -'Hankaku', -'Hiragana', -'KSC-EUC-H', -'KSC-EUC-V', -'KSC-H', -'KSC-Johab-H', -'KSC-Johab-V', -'KSC-V', -'KSCms-UHC-H', -'KSCms-UHC-HW-H', -'KSCms-UHC-HW-V', -'KSCms-UHC-V', -'KSCpc-EUC-H', -'KSCpc-EUC-V', -'Katakana', -'NWP-H', -'NWP-V', -'RKSJ-H', -'RKSJ-V', -'Roman', -'UniCNS-UCS2-H', -'UniCNS-UCS2-V', -'UniCNS-UTF16-H', -'UniCNS-UTF16-V', -'UniCNS-UTF32-H', -'UniCNS-UTF32-V', -'UniCNS-UTF8-H', -'UniCNS-UTF8-V', -'UniGB-UCS2-H', -'UniGB-UCS2-V', -'UniGB-UTF16-H', -'UniGB-UTF16-V', -'UniGB-UTF32-H', -'UniGB-UTF32-V', -'UniGB-UTF8-H', -'UniGB-UTF8-V', -'UniJIS-UCS2-H', -'UniJIS-UCS2-HW-H', -'UniJIS-UCS2-HW-V', -'UniJIS-UCS2-V', -'UniJIS-UTF16-H', -'UniJIS-UTF16-V', -'UniJIS-UTF32-H', -'UniJIS-UTF32-V', -'UniJIS-UTF8-H', -'UniJIS-UTF8-V', -'UniJIS2004-UTF16-H', -'UniJIS2004-UTF16-V', -'UniJIS2004-UTF32-H', -'UniJIS2004-UTF32-V', -'UniJIS2004-UTF8-H', -'UniJIS2004-UTF8-V', -'UniJISPro-UCS2-HW-V', -'UniJISPro-UCS2-V', -'UniJISPro-UTF8-V', -'UniJISX0213-UTF32-H', -'UniJISX0213-UTF32-V', -'UniJISX02132004-UTF32-H', -'UniJISX02132004-UTF32-V', -'UniKS-UCS2-H', -'UniKS-UCS2-V', -'UniKS-UTF16-H', -'UniKS-UTF16-V', -'UniKS-UTF32-H', -'UniKS-UTF32-V', -'UniKS-UTF8-H', -'UniKS-UTF8-V', -'V', -'WP-Symbol']; - -// CMap, not to be confused with TrueType's cmap. -var CMap = (function CMapClosure() { - function CMap(builtInCMap) { - // Codespace ranges are stored as follows: - // [[1BytePairs], [2BytePairs], [3BytePairs], [4BytePairs]] - // where nBytePairs are ranges e.g. [low1, high1, low2, high2, ...] - this.codespaceRanges = [[], [], [], []]; - this.numCodespaceRanges = 0; - // Map entries have one of two forms. - // - cid chars are 16-bit unsigned integers, stored as integers. - // - bf chars are variable-length byte sequences, stored as strings, with - // one byte per character. - this._map = []; - this.vertical = false; - this.useCMap = null; - this.builtInCMap = builtInCMap; - } - CMap.prototype = { - addCodespaceRange: function(n, low, high) { - this.codespaceRanges[n - 1].push(low, high); - this.numCodespaceRanges++; - }, - - mapCidRange: function(low, high, dstLow) { - while (low <= high) { - this._map[low++] = dstLow++; - } - }, - - mapBfRange: function(low, high, dstLow) { - var lastByte = dstLow.length - 1; - while (low <= high) { - this._map[low++] = dstLow; - // Only the last byte has to be incremented. - dstLow = dstLow.substr(0, lastByte) + - String.fromCharCode(dstLow.charCodeAt(lastByte) + 1); - } - }, - - mapBfRangeToArray: function(low, high, array) { - var i = 0, ii = array.length; - while (low <= high && i < ii) { - this._map[low] = array[i++]; - ++low; - } - }, - - // This is used for both bf and cid chars. - mapOne: function(src, dst) { - this._map[src] = dst; - }, - - lookup: function(code) { - return this._map[code]; - }, - - contains: function(code) { - return this._map[code] !== undefined; - }, - - forEach: function(callback) { - // Most maps have fewer than 65536 entries, and for those we use normal - // array iteration. But really sparse tables are possible -- e.g. with - // indices in the *billions*. For such tables we use for..in, which isn't - // ideal because it stringifies the indices for all present elements, but - // it does avoid iterating over every undefined entry. - var map = this._map; - var length = map.length; - var i; - if (length <= 0x10000) { - for (i = 0; i < length; i++) { - if (map[i] !== undefined) { - callback(i, map[i]); - } - } - } else { - for (i in this._map) { - callback(i, map[i]); - } - } - }, - - charCodeOf: function(value) { - return this._map.indexOf(value); - }, - - getMap: function() { - return this._map; - }, - - readCharCode: function(str, offset, out) { - var c = 0; - var codespaceRanges = this.codespaceRanges; - var codespaceRangesLen = this.codespaceRanges.length; - // 9.7.6.2 CMap Mapping - // The code length is at most 4. - for (var n = 0; n < codespaceRangesLen; n++) { - c = ((c << 8) | str.charCodeAt(offset + n)) >>> 0; - // Check each codespace range to see if it falls within. - var codespaceRange = codespaceRanges[n]; - for (var k = 0, kk = codespaceRange.length; k < kk;) { - var low = codespaceRange[k++]; - var high = codespaceRange[k++]; - if (c >= low && c <= high) { - out.charcode = c; - out.length = n + 1; - return; - } - } - } - out.charcode = 0; - out.length = 1; - } - }; - return CMap; -})(); - -// A special case of CMap, where the _map array implicitly has a length of -// 65535 and each element is equal to its index. -var IdentityCMap = (function IdentityCMapClosure() { - function IdentityCMap(vertical, n) { - CMap.call(this); - this.vertical = vertical; - this.addCodespaceRange(n, 0, 0xffff); - } - Util.inherit(IdentityCMap, CMap, {}); - - IdentityCMap.prototype = { - addCodespaceRange: CMap.prototype.addCodespaceRange, - - mapCidRange: function(low, high, dstLow) { - error('should not call mapCidRange'); - }, - - mapBfRange: function(low, high, dstLow) { - error('should not call mapBfRange'); - }, - - mapBfRangeToArray: function(low, high, array) { - error('should not call mapBfRangeToArray'); - }, - - mapOne: function(src, dst) { - error('should not call mapCidOne'); - }, - - lookup: function(code) { - return (isInt(code) && code <= 0xffff) ? code : undefined; - }, - - contains: function(code) { - return isInt(code) && code <= 0xffff; - }, - - forEach: function(callback) { - for (var i = 0; i <= 0xffff; i++) { - callback(i, i); - } - }, - - charCodeOf: function(value) { - return (isInt(value) && value <= 0xffff) ? value : -1; - }, - - getMap: function() { - // Sometimes identity maps must be instantiated, but it's rare. - var map = new Array(0x10000); - for (var i = 0; i <= 0xffff; i++) { - map[i] = i; - } - return map; - }, - - readCharCode: CMap.prototype.readCharCode - }; - - return IdentityCMap; -})(); - -var BinaryCMapReader = (function BinaryCMapReaderClosure() { - function fetchBinaryData(url) { - var nonBinaryRequest = PDFJS.disableWorker; - var request = new XMLHttpRequest(); - request.open('GET', url, false); - if (!nonBinaryRequest) { - try { - request.responseType = 'arraybuffer'; - nonBinaryRequest = request.responseType !== 'arraybuffer'; - } catch (e) { - nonBinaryRequest = true; - } - } - if (nonBinaryRequest && request.overrideMimeType) { - request.overrideMimeType('text/plain; charset=x-user-defined'); - } - request.send(null); - if (nonBinaryRequest ? !request.responseText : !request.response) { - error('Unable to get binary cMap at: ' + url); - } - if (nonBinaryRequest) { - var data = Array.prototype.map.call(request.responseText, function (ch) { - return ch.charCodeAt(0) & 255; - }); - return new Uint8Array(data); - } - return new Uint8Array(request.response); - } - - function hexToInt(a, size) { - var n = 0; - for (var i = 0; i <= size; i++) { - n = (n << 8) | a[i]; - } - return n >>> 0; - } - - function hexToStr(a, size) { - // This code is hot. Special-case some common values to avoid creating an - // object with subarray(). - if (size === 1) { - return String.fromCharCode(a[0], a[1]); - } - if (size === 3) { - return String.fromCharCode(a[0], a[1], a[2], a[3]); - } - return String.fromCharCode.apply(null, a.subarray(0, size + 1)); - } - - function addHex(a, b, size) { - var c = 0; - for (var i = size; i >= 0; i--) { - c += a[i] + b[i]; - a[i] = c & 255; - c >>= 8; - } - } - - function incHex(a, size) { - var c = 1; - for (var i = size; i >= 0 && c > 0; i--) { - c += a[i]; - a[i] = c & 255; - c >>= 8; - } - } - - var MAX_NUM_SIZE = 16; - var MAX_ENCODED_NUM_SIZE = 19; // ceil(MAX_NUM_SIZE * 7 / 8) - - function BinaryCMapStream(data) { - this.buffer = data; - this.pos = 0; - this.end = data.length; - this.tmpBuf = new Uint8Array(MAX_ENCODED_NUM_SIZE); - } - - BinaryCMapStream.prototype = { - readByte: function () { - if (this.pos >= this.end) { - return -1; - } - return this.buffer[this.pos++]; - }, - readNumber: function () { - var n = 0; - var last; - do { - var b = this.readByte(); - if (b < 0) { - error('unexpected EOF in bcmap'); - } - last = !(b & 0x80); - n = (n << 7) | (b & 0x7F); - } while (!last); - return n; - }, - readSigned: function () { - var n = this.readNumber(); - return (n & 1) ? ~(n >>> 1) : n >>> 1; - }, - readHex: function (num, size) { - num.set(this.buffer.subarray(this.pos, - this.pos + size + 1)); - this.pos += size + 1; - }, - readHexNumber: function (num, size) { - var last; - var stack = this.tmpBuf, sp = 0; - do { - var b = this.readByte(); - if (b < 0) { - error('unexpected EOF in bcmap'); - } - last = !(b & 0x80); - stack[sp++] = b & 0x7F; - } while (!last); - var i = size, buffer = 0, bufferSize = 0; - while (i >= 0) { - while (bufferSize < 8 && stack.length > 0) { - buffer = (stack[--sp] << bufferSize) | buffer; - bufferSize += 7; - } - num[i] = buffer & 255; - i--; - buffer >>= 8; - bufferSize -= 8; - } - }, - readHexSigned: function (num, size) { - this.readHexNumber(num, size); - var sign = num[size] & 1 ? 255 : 0; - var c = 0; - for (var i = 0; i <= size; i++) { - c = ((c & 1) << 8) | num[i]; - num[i] = (c >> 1) ^ sign; - } - }, - readString: function () { - var len = this.readNumber(); - var s = ''; - for (var i = 0; i < len; i++) { - s += String.fromCharCode(this.readNumber()); - } - return s; - } - }; - - function processBinaryCMap(url, cMap, extend) { - var data = fetchBinaryData(url); - var stream = new BinaryCMapStream(data); - - var header = stream.readByte(); - cMap.vertical = !!(header & 1); - - var useCMap = null; - var start = new Uint8Array(MAX_NUM_SIZE); - var end = new Uint8Array(MAX_NUM_SIZE); - var char = new Uint8Array(MAX_NUM_SIZE); - var charCode = new Uint8Array(MAX_NUM_SIZE); - var tmp = new Uint8Array(MAX_NUM_SIZE); - var code; - - var b; - while ((b = stream.readByte()) >= 0) { - var type = b >> 5; - if (type === 7) { // metadata, e.g. comment or usecmap - switch (b & 0x1F) { - case 0: - stream.readString(); // skipping comment - break; - case 1: - useCMap = stream.readString(); - break; - } - continue; - } - var sequence = !!(b & 0x10); - var dataSize = b & 15; - - assert(dataSize + 1 <= MAX_NUM_SIZE); - - var ucs2DataSize = 1; - var subitemsCount = stream.readNumber(); - var i; - switch (type) { - case 0: // codespacerange - stream.readHex(start, dataSize); - stream.readHexNumber(end, dataSize); - addHex(end, start, dataSize); - cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), - hexToInt(end, dataSize)); - for (i = 1; i < subitemsCount; i++) { - incHex(end, dataSize); - stream.readHexNumber(start, dataSize); - addHex(start, end, dataSize); - stream.readHexNumber(end, dataSize); - addHex(end, start, dataSize); - cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), - hexToInt(end, dataSize)); - } - break; - case 1: // notdefrange - stream.readHex(start, dataSize); - stream.readHexNumber(end, dataSize); - addHex(end, start, dataSize); - code = stream.readNumber(); - // undefined range, skipping - for (i = 1; i < subitemsCount; i++) { - incHex(end, dataSize); - stream.readHexNumber(start, dataSize); - addHex(start, end, dataSize); - stream.readHexNumber(end, dataSize); - addHex(end, start, dataSize); - code = stream.readNumber(); - // nop - } - break; - case 2: // cidchar - stream.readHex(char, dataSize); - code = stream.readNumber(); - cMap.mapOne(hexToInt(char, dataSize), code); - for (i = 1; i < subitemsCount; i++) { - incHex(char, dataSize); - if (!sequence) { - stream.readHexNumber(tmp, dataSize); - addHex(char, tmp, dataSize); - } - code = stream.readSigned() + (code + 1); - cMap.mapOne(hexToInt(char, dataSize), code); - } - break; - case 3: // cidrange - stream.readHex(start, dataSize); - stream.readHexNumber(end, dataSize); - addHex(end, start, dataSize); - code = stream.readNumber(); - cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), - code); - for (i = 1; i < subitemsCount; i++) { - incHex(end, dataSize); - if (!sequence) { - stream.readHexNumber(start, dataSize); - addHex(start, end, dataSize); - } else { - start.set(end); - } - stream.readHexNumber(end, dataSize); - addHex(end, start, dataSize); - code = stream.readNumber(); - cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), - code); - } - break; - case 4: // bfchar - stream.readHex(char, ucs2DataSize); - stream.readHex(charCode, dataSize); - cMap.mapOne(hexToInt(char, ucs2DataSize), - hexToStr(charCode, dataSize)); - for (i = 1; i < subitemsCount; i++) { - incHex(char, ucs2DataSize); - if (!sequence) { - stream.readHexNumber(tmp, ucs2DataSize); - addHex(char, tmp, ucs2DataSize); - } - incHex(charCode, dataSize); - stream.readHexSigned(tmp, dataSize); - addHex(charCode, tmp, dataSize); - cMap.mapOne(hexToInt(char, ucs2DataSize), - hexToStr(charCode, dataSize)); - } - break; - case 5: // bfrange - stream.readHex(start, ucs2DataSize); - stream.readHexNumber(end, ucs2DataSize); - addHex(end, start, ucs2DataSize); - stream.readHex(charCode, dataSize); - cMap.mapBfRange(hexToInt(start, ucs2DataSize), - hexToInt(end, ucs2DataSize), - hexToStr(charCode, dataSize)); - for (i = 1; i < subitemsCount; i++) { - incHex(end, ucs2DataSize); - if (!sequence) { - stream.readHexNumber(start, ucs2DataSize); - addHex(start, end, ucs2DataSize); - } else { - start.set(end); - } - stream.readHexNumber(end, ucs2DataSize); - addHex(end, start, ucs2DataSize); - stream.readHex(charCode, dataSize); - cMap.mapBfRange(hexToInt(start, ucs2DataSize), - hexToInt(end, ucs2DataSize), - hexToStr(charCode, dataSize)); - } - break; - default: - error('Unknown type: ' + type); - break; - } - } - - if (useCMap) { - extend(useCMap); - } - return cMap; - } - - function BinaryCMapReader() {} - - BinaryCMapReader.prototype = { - read: processBinaryCMap - }; - - return BinaryCMapReader; -})(); - -var CMapFactory = (function CMapFactoryClosure() { - function strToInt(str) { - var a = 0; - for (var i = 0; i < str.length; i++) { - a = (a << 8) | str.charCodeAt(i); - } - return a >>> 0; - } - - function expectString(obj) { - if (!isString(obj)) { - error('Malformed CMap: expected string.'); - } - } - - function expectInt(obj) { - if (!isInt(obj)) { - error('Malformed CMap: expected int.'); - } - } - - function parseBfChar(cMap, lexer) { - while (true) { - var obj = lexer.getObj(); - if (isEOF(obj)) { - break; - } - if (isCmd(obj, 'endbfchar')) { - return; - } - expectString(obj); - var src = strToInt(obj); - obj = lexer.getObj(); - // TODO are /dstName used? - expectString(obj); - var dst = obj; - cMap.mapOne(src, dst); - } - } - - function parseBfRange(cMap, lexer) { - while (true) { - var obj = lexer.getObj(); - if (isEOF(obj)) { - break; - } - if (isCmd(obj, 'endbfrange')) { - return; - } - expectString(obj); - var low = strToInt(obj); - obj = lexer.getObj(); - expectString(obj); - var high = strToInt(obj); - obj = lexer.getObj(); - if (isInt(obj) || isString(obj)) { - var dstLow = isInt(obj) ? String.fromCharCode(obj) : obj; - cMap.mapBfRange(low, high, dstLow); - } else if (isCmd(obj, '[')) { - obj = lexer.getObj(); - var array = []; - while (!isCmd(obj, ']') && !isEOF(obj)) { - array.push(obj); - obj = lexer.getObj(); - } - cMap.mapBfRangeToArray(low, high, array); - } else { - break; - } - } - error('Invalid bf range.'); - } - - function parseCidChar(cMap, lexer) { - while (true) { - var obj = lexer.getObj(); - if (isEOF(obj)) { - break; - } - if (isCmd(obj, 'endcidchar')) { - return; - } - expectString(obj); - var src = strToInt(obj); - obj = lexer.getObj(); - expectInt(obj); - var dst = obj; - cMap.mapOne(src, dst); - } - } - - function parseCidRange(cMap, lexer) { - while (true) { - var obj = lexer.getObj(); - if (isEOF(obj)) { - break; - } - if (isCmd(obj, 'endcidrange')) { - return; - } - expectString(obj); - var low = strToInt(obj); - obj = lexer.getObj(); - expectString(obj); - var high = strToInt(obj); - obj = lexer.getObj(); - expectInt(obj); - var dstLow = obj; - cMap.mapCidRange(low, high, dstLow); - } - } - - function parseCodespaceRange(cMap, lexer) { - while (true) { - var obj = lexer.getObj(); - if (isEOF(obj)) { - break; - } - if (isCmd(obj, 'endcodespacerange')) { - return; - } - if (!isString(obj)) { - break; - } - var low = strToInt(obj); - obj = lexer.getObj(); - if (!isString(obj)) { - break; - } - var high = strToInt(obj); - cMap.addCodespaceRange(obj.length, low, high); - } - error('Invalid codespace range.'); - } - - function parseWMode(cMap, lexer) { - var obj = lexer.getObj(); - if (isInt(obj)) { - cMap.vertical = !!obj; - } - } - - function parseCMap(cMap, lexer, builtInCMapParams, useCMap) { - var previous; - var embededUseCMap; - objLoop: while (true) { - var obj = lexer.getObj(); - if (isEOF(obj)) { - break; - } else if (isName(obj)) { - if (obj.name === 'WMode') { - parseWMode(cMap, lexer); - } - previous = obj; - } else if (isCmd(obj)) { - switch (obj.cmd) { - case 'endcmap': - break objLoop; - case 'usecmap': - if (isName(previous)) { - embededUseCMap = previous.name; - } - break; - case 'begincodespacerange': - parseCodespaceRange(cMap, lexer); - break; - case 'beginbfchar': - parseBfChar(cMap, lexer); - break; - case 'begincidchar': - parseCidChar(cMap, lexer); - break; - case 'beginbfrange': - parseBfRange(cMap, lexer); - break; - case 'begincidrange': - parseCidRange(cMap, lexer); - break; - } - } - } - - if (!useCMap && embededUseCMap) { - // Load the usecmap definition from the file only if there wasn't one - // specified. - useCMap = embededUseCMap; - } - if (useCMap) { - extendCMap(cMap, builtInCMapParams, useCMap); - } - } - - function extendCMap(cMap, builtInCMapParams, useCMap) { - cMap.useCMap = createBuiltInCMap(useCMap, builtInCMapParams); - // If there aren't any code space ranges defined clone all the parent ones - // into this cMap. - if (cMap.numCodespaceRanges === 0) { - var useCodespaceRanges = cMap.useCMap.codespaceRanges; - for (var i = 0; i < useCodespaceRanges.length; i++) { - cMap.codespaceRanges[i] = useCodespaceRanges[i].slice(); - } - cMap.numCodespaceRanges = cMap.useCMap.numCodespaceRanges; - } - // Merge the map into the current one, making sure not to override - // any previously defined entries. - cMap.useCMap.forEach(function(key, value) { - if (!cMap.contains(key)) { - cMap.mapOne(key, cMap.useCMap.lookup(key)); - } - }); - } - - function parseBinaryCMap(name, builtInCMapParams) { - var url = builtInCMapParams.url + name + '.bcmap'; - var cMap = new CMap(true); - new BinaryCMapReader().read(url, cMap, function (useCMap) { - extendCMap(cMap, builtInCMapParams, useCMap); - }); - return cMap; - } - - function createBuiltInCMap(name, builtInCMapParams) { - if (name === 'Identity-H') { - return new IdentityCMap(false, 2); - } else if (name === 'Identity-V') { - return new IdentityCMap(true, 2); - } - if (BUILT_IN_CMAPS.indexOf(name) === -1) { - error('Unknown cMap name: ' + name); - } - assert(builtInCMapParams, 'built-in cMap parameters are not provided'); - - if (builtInCMapParams.packed) { - return parseBinaryCMap(name, builtInCMapParams); - } - - var request = new XMLHttpRequest(); - var url = builtInCMapParams.url + name; - request.open('GET', url, false); - request.send(null); - if (!request.responseText) { - error('Unable to get cMap at: ' + url); - } - var cMap = new CMap(true); - var lexer = new Lexer(new StringStream(request.responseText)); - parseCMap(cMap, lexer, builtInCMapParams, null); - return cMap; - } - - return { - create: function (encoding, builtInCMapParams, useCMap) { - if (isName(encoding)) { - return createBuiltInCMap(encoding.name, builtInCMapParams); - } else if (isStream(encoding)) { - var cMap = new CMap(); - var lexer = new Lexer(encoding); - try { - parseCMap(cMap, lexer, builtInCMapParams, useCMap); - } catch (e) { - warn('Invalid CMap data. ' + e); - } - return cMap; - } - error('Encoding required.'); - } - }; -})(); - - -// Unicode Private Use Area -var PRIVATE_USE_OFFSET_START = 0xE000; -var PRIVATE_USE_OFFSET_END = 0xF8FF; -var SKIP_PRIVATE_USE_RANGE_F000_TO_F01F = false; - -// PDF Glyph Space Units are one Thousandth of a TextSpace Unit -// except for Type 3 fonts -var PDF_GLYPH_SPACE_UNITS = 1000; - -// Hinting is currently disabled due to unknown problems on windows -// in tracemonkey and various other pdfs with type1 fonts. -var HINTING_ENABLED = false; - -// Accented charactars are not displayed properly on windows, using this flag -// to control analysis of seac charstrings. -var SEAC_ANALYSIS_ENABLED = false; - -var FontFlags = { - FixedPitch: 1, - Serif: 2, - Symbolic: 4, - Script: 8, - Nonsymbolic: 32, - Italic: 64, - AllCap: 65536, - SmallCap: 131072, - ForceBold: 262144 -}; - -var Encodings = { - ExpertEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - 'space', 'exclamsmall', 'Hungarumlautsmall', '', 'dollaroldstyle', - 'dollarsuperior', 'ampersandsmall', 'Acutesmall', 'parenleftsuperior', - 'parenrightsuperior', 'twodotenleader', 'onedotenleader', 'comma', - 'hyphen', 'period', 'fraction', 'zerooldstyle', 'oneoldstyle', - 'twooldstyle', 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle', - 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle', 'colon', - 'semicolon', 'commasuperior', 'threequartersemdash', 'periodsuperior', - 'questionsmall', '', 'asuperior', 'bsuperior', 'centsuperior', 'dsuperior', - 'esuperior', '', '', 'isuperior', '', '', 'lsuperior', 'msuperior', - 'nsuperior', 'osuperior', '', '', 'rsuperior', 'ssuperior', 'tsuperior', - '', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior', '', - 'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall', - 'Asmall', 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', - 'Hsmall', 'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', - 'Osmall', 'Psmall', 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', - 'Vsmall', 'Wsmall', 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', - 'onefitted', 'rupiah', 'Tildesmall', '', '', '', '', '', '', '', '', '', - '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - '', '', '', '', '', '', 'exclamdownsmall', 'centoldstyle', 'Lslashsmall', - '', '', 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall', 'Brevesmall', - 'Caronsmall', '', 'Dotaccentsmall', '', '', 'Macronsmall', '', '', - 'figuredash', 'hypheninferior', '', '', 'Ogoneksmall', 'Ringsmall', - 'Cedillasmall', '', '', '', 'onequarter', 'onehalf', 'threequarters', - 'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths', - 'seveneighths', 'onethird', 'twothirds', '', '', 'zerosuperior', - 'onesuperior', 'twosuperior', 'threesuperior', 'foursuperior', - 'fivesuperior', 'sixsuperior', 'sevensuperior', 'eightsuperior', - 'ninesuperior', 'zeroinferior', 'oneinferior', 'twoinferior', - 'threeinferior', 'fourinferior', 'fiveinferior', 'sixinferior', - 'seveninferior', 'eightinferior', 'nineinferior', 'centinferior', - 'dollarinferior', 'periodinferior', 'commainferior', 'Agravesmall', - 'Aacutesmall', 'Acircumflexsmall', 'Atildesmall', 'Adieresissmall', - 'Aringsmall', 'AEsmall', 'Ccedillasmall', 'Egravesmall', 'Eacutesmall', - 'Ecircumflexsmall', 'Edieresissmall', 'Igravesmall', 'Iacutesmall', - 'Icircumflexsmall', 'Idieresissmall', 'Ethsmall', 'Ntildesmall', - 'Ogravesmall', 'Oacutesmall', 'Ocircumflexsmall', 'Otildesmall', - 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', 'Uacutesmall', - 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', 'Thornsmall', - 'Ydieresissmall'], - MacExpertEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', - '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - 'space', 'exclamsmall', 'Hungarumlautsmall', 'centoldstyle', - 'dollaroldstyle', 'dollarsuperior', 'ampersandsmall', 'Acutesmall', - 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader', - 'onedotenleader', 'comma', 'hyphen', 'period', 'fraction', 'zerooldstyle', - 'oneoldstyle', 'twooldstyle', 'threeoldstyle', 'fouroldstyle', - 'fiveoldstyle', 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', - 'nineoldstyle', 'colon', 'semicolon', '', 'threequartersemdash', '', - 'questionsmall', '', '', '', '', 'Ethsmall', '', '', 'onequarter', - 'onehalf', 'threequarters', 'oneeighth', 'threeeighths', 'fiveeighths', - 'seveneighths', 'onethird', 'twothirds', '', '', '', '', '', '', 'ff', - 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior', '', 'parenrightinferior', - 'Circumflexsmall', 'hypheninferior', 'Gravesmall', 'Asmall', 'Bsmall', - 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', 'Hsmall', 'Ismall', - 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', 'Osmall', 'Psmall', - 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', 'Vsmall', 'Wsmall', - 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', 'onefitted', 'rupiah', - 'Tildesmall', '', '', 'asuperior', 'centsuperior', '', '', '', '', - 'Aacutesmall', 'Agravesmall', 'Acircumflexsmall', 'Adieresissmall', - 'Atildesmall', 'Aringsmall', 'Ccedillasmall', 'Eacutesmall', 'Egravesmall', - 'Ecircumflexsmall', 'Edieresissmall', 'Iacutesmall', 'Igravesmall', - 'Icircumflexsmall', 'Idieresissmall', 'Ntildesmall', 'Oacutesmall', - 'Ogravesmall', 'Ocircumflexsmall', 'Odieresissmall', 'Otildesmall', - 'Uacutesmall', 'Ugravesmall', 'Ucircumflexsmall', 'Udieresissmall', '', - 'eightsuperior', 'fourinferior', 'threeinferior', 'sixinferior', - 'eightinferior', 'seveninferior', 'Scaronsmall', '', 'centinferior', - 'twoinferior', '', 'Dieresissmall', '', 'Caronsmall', 'osuperior', - 'fiveinferior', '', 'commainferior', 'periodinferior', 'Yacutesmall', '', - 'dollarinferior', '', 'Thornsmall', '', 'nineinferior', 'zeroinferior', - 'Zcaronsmall', 'AEsmall', 'Oslashsmall', 'questiondownsmall', - 'oneinferior', 'Lslashsmall', '', '', '', '', '', '', 'Cedillasmall', '', - '', '', '', '', 'OEsmall', 'figuredash', 'hyphensuperior', '', '', '', '', - 'exclamdownsmall', '', 'Ydieresissmall', '', 'onesuperior', 'twosuperior', - 'threesuperior', 'foursuperior', 'fivesuperior', 'sixsuperior', - 'sevensuperior', 'ninesuperior', 'zerosuperior', '', 'esuperior', - 'rsuperior', 'tsuperior', '', '', 'isuperior', 'ssuperior', 'dsuperior', - '', '', '', '', '', 'lsuperior', 'Ogoneksmall', 'Brevesmall', - 'Macronsmall', 'bsuperior', 'nsuperior', 'msuperior', 'commasuperior', - 'periodsuperior', 'Dotaccentsmall', 'Ringsmall'], - MacRomanEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', - 'ampersand', 'quotesingle', 'parenleft', 'parenright', 'asterisk', 'plus', - 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three', - 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', - 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', - 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', - 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', - 'asciicircum', 'underscore', 'grave', 'a', 'b', 'c', 'd', 'e', 'f', 'g', - 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', - 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', '', - 'Adieresis', 'Aring', 'Ccedilla', 'Eacute', 'Ntilde', 'Odieresis', - 'Udieresis', 'aacute', 'agrave', 'acircumflex', 'adieresis', 'atilde', - 'aring', 'ccedilla', 'eacute', 'egrave', 'ecircumflex', 'edieresis', - 'iacute', 'igrave', 'icircumflex', 'idieresis', 'ntilde', 'oacute', - 'ograve', 'ocircumflex', 'odieresis', 'otilde', 'uacute', 'ugrave', - 'ucircumflex', 'udieresis', 'dagger', 'degree', 'cent', 'sterling', - 'section', 'bullet', 'paragraph', 'germandbls', 'registered', 'copyright', - 'trademark', 'acute', 'dieresis', 'notequal', 'AE', 'Oslash', 'infinity', - 'plusminus', 'lessequal', 'greaterequal', 'yen', 'mu', 'partialdiff', - 'summation', 'product', 'pi', 'integral', 'ordfeminine', 'ordmasculine', - 'Omega', 'ae', 'oslash', 'questiondown', 'exclamdown', 'logicalnot', - 'radical', 'florin', 'approxequal', 'Delta', 'guillemotleft', - 'guillemotright', 'ellipsis', 'space', 'Agrave', 'Atilde', 'Otilde', 'OE', - 'oe', 'endash', 'emdash', 'quotedblleft', 'quotedblright', 'quoteleft', - 'quoteright', 'divide', 'lozenge', 'ydieresis', 'Ydieresis', 'fraction', - 'currency', 'guilsinglleft', 'guilsinglright', 'fi', 'fl', 'daggerdbl', - 'periodcentered', 'quotesinglbase', 'quotedblbase', 'perthousand', - 'Acircumflex', 'Ecircumflex', 'Aacute', 'Edieresis', 'Egrave', 'Iacute', - 'Icircumflex', 'Idieresis', 'Igrave', 'Oacute', 'Ocircumflex', 'apple', - 'Ograve', 'Uacute', 'Ucircumflex', 'Ugrave', 'dotlessi', 'circumflex', - 'tilde', 'macron', 'breve', 'dotaccent', 'ring', 'cedilla', 'hungarumlaut', - 'ogonek', 'caron'], - StandardEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', - 'ampersand', 'quoteright', 'parenleft', 'parenright', 'asterisk', 'plus', - 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three', - 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', - 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', - 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', - 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', - 'asciicircum', 'underscore', 'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f', - 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', - 'v', 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', - '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', 'exclamdown', - 'cent', 'sterling', 'fraction', 'yen', 'florin', 'section', 'currency', - 'quotesingle', 'quotedblleft', 'guillemotleft', 'guilsinglleft', - 'guilsinglright', 'fi', 'fl', '', 'endash', 'dagger', 'daggerdbl', - 'periodcentered', '', 'paragraph', 'bullet', 'quotesinglbase', - 'quotedblbase', 'quotedblright', 'guillemotright', 'ellipsis', - 'perthousand', '', 'questiondown', '', 'grave', 'acute', 'circumflex', - 'tilde', 'macron', 'breve', 'dotaccent', 'dieresis', '', 'ring', 'cedilla', - '', 'hungarumlaut', 'ogonek', 'caron', 'emdash', '', '', '', '', '', '', - '', '', '', '', '', '', '', '', '', '', 'AE', '', 'ordfeminine', '', '', - '', '', 'Lslash', 'Oslash', 'OE', 'ordmasculine', '', '', '', '', '', 'ae', - '', '', '', 'dotlessi', '', '', 'lslash', 'oslash', 'oe', 'germandbls'], - WinAnsiEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', - 'ampersand', 'quotesingle', 'parenleft', 'parenright', 'asterisk', 'plus', - 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three', - 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', - 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', - 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', - 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', - 'asciicircum', 'underscore', 'grave', 'a', 'b', 'c', 'd', 'e', 'f', 'g', - 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', - 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', - 'bullet', 'Euro', 'bullet', 'quotesinglbase', 'florin', 'quotedblbase', - 'ellipsis', 'dagger', 'daggerdbl', 'circumflex', 'perthousand', 'Scaron', - 'guilsinglleft', 'OE', 'bullet', 'Zcaron', 'bullet', 'bullet', 'quoteleft', - 'quoteright', 'quotedblleft', 'quotedblright', 'bullet', 'endash', - 'emdash', 'tilde', 'trademark', 'scaron', 'guilsinglright', 'oe', 'bullet', - 'zcaron', 'Ydieresis', 'space', 'exclamdown', 'cent', 'sterling', - 'currency', 'yen', 'brokenbar', 'section', 'dieresis', 'copyright', - 'ordfeminine', 'guillemotleft', 'logicalnot', 'hyphen', 'registered', - 'macron', 'degree', 'plusminus', 'twosuperior', 'threesuperior', 'acute', - 'mu', 'paragraph', 'periodcentered', 'cedilla', 'onesuperior', - 'ordmasculine', 'guillemotright', 'onequarter', 'onehalf', 'threequarters', - 'questiondown', 'Agrave', 'Aacute', 'Acircumflex', 'Atilde', 'Adieresis', - 'Aring', 'AE', 'Ccedilla', 'Egrave', 'Eacute', 'Ecircumflex', 'Edieresis', - 'Igrave', 'Iacute', 'Icircumflex', 'Idieresis', 'Eth', 'Ntilde', 'Ograve', - 'Oacute', 'Ocircumflex', 'Otilde', 'Odieresis', 'multiply', 'Oslash', - 'Ugrave', 'Uacute', 'Ucircumflex', 'Udieresis', 'Yacute', 'Thorn', - 'germandbls', 'agrave', 'aacute', 'acircumflex', 'atilde', 'adieresis', - 'aring', 'ae', 'ccedilla', 'egrave', 'eacute', 'ecircumflex', 'edieresis', - 'igrave', 'iacute', 'icircumflex', 'idieresis', 'eth', 'ntilde', 'ograve', - 'oacute', 'ocircumflex', 'otilde', 'odieresis', 'divide', 'oslash', - 'ugrave', 'uacute', 'ucircumflex', 'udieresis', 'yacute', 'thorn', - 'ydieresis'], - SymbolSetEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', - '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - 'space', 'exclam', 'universal', 'numbersign', 'existential', 'percent', - 'ampersand', 'suchthat', 'parenleft', 'parenright', 'asteriskmath', 'plus', - 'comma', 'minus', 'period', 'slash', 'zero', 'one', 'two', 'three', 'four', - 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', 'less', - 'equal', 'greater', 'question', 'congruent', 'Alpha', 'Beta', 'Chi', - 'Delta', 'Epsilon', 'Phi', 'Gamma', 'Eta', 'Iota', 'theta1', 'Kappa', - 'Lambda', 'Mu', 'Nu', 'Omicron', 'Pi', 'Theta', 'Rho', 'Sigma', 'Tau', - 'Upsilon', 'sigma1', 'Omega', 'Xi', 'Psi', 'Zeta', 'bracketleft', - 'therefore', 'bracketright', 'perpendicular', 'underscore', 'radicalex', - 'alpha', 'beta', 'chi', 'delta', 'epsilon', 'phi', 'gamma', 'eta', 'iota', - 'phi1', 'kappa', 'lambda', 'mu', 'nu', 'omicron', 'pi', 'theta', 'rho', - 'sigma', 'tau', 'upsilon', 'omega1', 'omega', 'xi', 'psi', 'zeta', - 'braceleft', 'bar', 'braceright', 'similar', '', '', '', '', '', '', '', - '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - '', '', '', '', '', '', '', 'Euro', 'Upsilon1', 'minute', 'lessequal', - 'fraction', 'infinity', 'florin', 'club', 'diamond', 'heart', 'spade', - 'arrowboth', 'arrowleft', 'arrowup', 'arrowright', 'arrowdown', 'degree', - 'plusminus', 'second', 'greaterequal', 'multiply', 'proportional', - 'partialdiff', 'bullet', 'divide', 'notequal', 'equivalence', - 'approxequal', 'ellipsis', 'arrowvertex', 'arrowhorizex', 'carriagereturn', - 'aleph', 'Ifraktur', 'Rfraktur', 'weierstrass', 'circlemultiply', - 'circleplus', 'emptyset', 'intersection', 'union', 'propersuperset', - 'reflexsuperset', 'notsubset', 'propersubset', 'reflexsubset', 'element', - 'notelement', 'angle', 'gradient', 'registerserif', 'copyrightserif', - 'trademarkserif', 'product', 'radical', 'dotmath', 'logicalnot', - 'logicaland', 'logicalor', 'arrowdblboth', 'arrowdblleft', 'arrowdblup', - 'arrowdblright', 'arrowdbldown', 'lozenge', 'angleleft', 'registersans', - 'copyrightsans', 'trademarksans', 'summation', 'parenlefttp', - 'parenleftex', 'parenleftbt', 'bracketlefttp', 'bracketleftex', - 'bracketleftbt', 'bracelefttp', 'braceleftmid', 'braceleftbt', 'braceex', - '', 'angleright', 'integral', 'integraltp', 'integralex', 'integralbt', - 'parenrighttp', 'parenrightex', 'parenrightbt', 'bracketrighttp', - 'bracketrightex', 'bracketrightbt', 'bracerighttp', 'bracerightmid', - 'bracerightbt'], - ZapfDingbatsEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', - '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', - 'space', 'a1', 'a2', 'a202', 'a3', 'a4', 'a5', 'a119', 'a118', 'a117', - 'a11', 'a12', 'a13', 'a14', 'a15', 'a16', 'a105', 'a17', 'a18', 'a19', - 'a20', 'a21', 'a22', 'a23', 'a24', 'a25', 'a26', 'a27', 'a28', 'a6', 'a7', - 'a8', 'a9', 'a10', 'a29', 'a30', 'a31', 'a32', 'a33', 'a34', 'a35', 'a36', - 'a37', 'a38', 'a39', 'a40', 'a41', 'a42', 'a43', 'a44', 'a45', 'a46', - 'a47', 'a48', 'a49', 'a50', 'a51', 'a52', 'a53', 'a54', 'a55', 'a56', - 'a57', 'a58', 'a59', 'a60', 'a61', 'a62', 'a63', 'a64', 'a65', 'a66', - 'a67', 'a68', 'a69', 'a70', 'a71', 'a72', 'a73', 'a74', 'a203', 'a75', - 'a204', 'a76', 'a77', 'a78', 'a79', 'a81', 'a82', 'a83', 'a84', 'a97', - 'a98', 'a99', 'a100', '', 'a89', 'a90', 'a93', 'a94', 'a91', 'a92', 'a205', - 'a85', 'a206', 'a86', 'a87', 'a88', 'a95', 'a96', '', '', '', '', '', '', - '', '', '', '', '', '', '', '', '', '', '', '', '', 'a101', 'a102', 'a103', - 'a104', 'a106', 'a107', 'a108', 'a112', 'a111', 'a110', 'a109', 'a120', - 'a121', 'a122', 'a123', 'a124', 'a125', 'a126', 'a127', 'a128', 'a129', - 'a130', 'a131', 'a132', 'a133', 'a134', 'a135', 'a136', 'a137', 'a138', - 'a139', 'a140', 'a141', 'a142', 'a143', 'a144', 'a145', 'a146', 'a147', - 'a148', 'a149', 'a150', 'a151', 'a152', 'a153', 'a154', 'a155', 'a156', - 'a157', 'a158', 'a159', 'a160', 'a161', 'a163', 'a164', 'a196', 'a165', - 'a192', 'a166', 'a167', 'a168', 'a169', 'a170', 'a171', 'a172', 'a173', - 'a162', 'a174', 'a175', 'a176', 'a177', 'a178', 'a179', 'a193', 'a180', - 'a199', 'a181', 'a200', 'a182', '', 'a201', 'a183', 'a184', 'a197', 'a185', - 'a194', 'a198', 'a186', 'a195', 'a187', 'a188', 'a189', 'a190', 'a191'] -}; - -/** - * Hold a map of decoded fonts and of the standard fourteen Type1 - * fonts and their acronyms. - */ -var stdFontMap = { - 'ArialNarrow': 'Helvetica', - 'ArialNarrow-Bold': 'Helvetica-Bold', - 'ArialNarrow-BoldItalic': 'Helvetica-BoldOblique', - 'ArialNarrow-Italic': 'Helvetica-Oblique', - 'ArialBlack': 'Helvetica', - 'ArialBlack-Bold': 'Helvetica-Bold', - 'ArialBlack-BoldItalic': 'Helvetica-BoldOblique', - 'ArialBlack-Italic': 'Helvetica-Oblique', - 'Arial': 'Helvetica', - 'Arial-Bold': 'Helvetica-Bold', - 'Arial-BoldItalic': 'Helvetica-BoldOblique', - 'Arial-Italic': 'Helvetica-Oblique', - 'Arial-BoldItalicMT': 'Helvetica-BoldOblique', - 'Arial-BoldMT': 'Helvetica-Bold', - 'Arial-ItalicMT': 'Helvetica-Oblique', - 'ArialMT': 'Helvetica', - 'Courier-Bold': 'Courier-Bold', - 'Courier-BoldItalic': 'Courier-BoldOblique', - 'Courier-Italic': 'Courier-Oblique', - 'CourierNew': 'Courier', - 'CourierNew-Bold': 'Courier-Bold', - 'CourierNew-BoldItalic': 'Courier-BoldOblique', - 'CourierNew-Italic': 'Courier-Oblique', - 'CourierNewPS-BoldItalicMT': 'Courier-BoldOblique', - 'CourierNewPS-BoldMT': 'Courier-Bold', - 'CourierNewPS-ItalicMT': 'Courier-Oblique', - 'CourierNewPSMT': 'Courier', - 'Helvetica-Bold': 'Helvetica-Bold', - 'Helvetica-BoldItalic': 'Helvetica-BoldOblique', - 'Helvetica-Italic': 'Helvetica-Oblique', - 'Symbol-Bold': 'Symbol', - 'Symbol-BoldItalic': 'Symbol', - 'Symbol-Italic': 'Symbol', - 'TimesNewRoman': 'Times-Roman', - 'TimesNewRoman-Bold': 'Times-Bold', - 'TimesNewRoman-BoldItalic': 'Times-BoldItalic', - 'TimesNewRoman-Italic': 'Times-Italic', - 'TimesNewRomanPS': 'Times-Roman', - 'TimesNewRomanPS-Bold': 'Times-Bold', - 'TimesNewRomanPS-BoldItalic': 'Times-BoldItalic', - 'TimesNewRomanPS-BoldItalicMT': 'Times-BoldItalic', - 'TimesNewRomanPS-BoldMT': 'Times-Bold', - 'TimesNewRomanPS-Italic': 'Times-Italic', - 'TimesNewRomanPS-ItalicMT': 'Times-Italic', - 'TimesNewRomanPSMT': 'Times-Roman', - 'TimesNewRomanPSMT-Bold': 'Times-Bold', - 'TimesNewRomanPSMT-BoldItalic': 'Times-BoldItalic', - 'TimesNewRomanPSMT-Italic': 'Times-Italic' -}; - -/** - * Holds the map of the non-standard fonts that might be included as a standard - * fonts without glyph data. - */ -var nonStdFontMap = { - 'ComicSansMS': 'Comic Sans MS', - 'ComicSansMS-Bold': 'Comic Sans MS-Bold', - 'ComicSansMS-BoldItalic': 'Comic Sans MS-BoldItalic', - 'ComicSansMS-Italic': 'Comic Sans MS-Italic', - 'LucidaConsole': 'Courier', - 'LucidaConsole-Bold': 'Courier-Bold', - 'LucidaConsole-BoldItalic': 'Courier-BoldOblique', - 'LucidaConsole-Italic': 'Courier-Oblique', - 'MS-Gothic': 'MS Gothic', - 'MS-Gothic-Bold': 'MS Gothic-Bold', - 'MS-Gothic-BoldItalic': 'MS Gothic-BoldItalic', - 'MS-Gothic-Italic': 'MS Gothic-Italic', - 'MS-Mincho': 'MS Mincho', - 'MS-Mincho-Bold': 'MS Mincho-Bold', - 'MS-Mincho-BoldItalic': 'MS Mincho-BoldItalic', - 'MS-Mincho-Italic': 'MS Mincho-Italic', - 'MS-PGothic': 'MS PGothic', - 'MS-PGothic-Bold': 'MS PGothic-Bold', - 'MS-PGothic-BoldItalic': 'MS PGothic-BoldItalic', - 'MS-PGothic-Italic': 'MS PGothic-Italic', - 'MS-PMincho': 'MS PMincho', - 'MS-PMincho-Bold': 'MS PMincho-Bold', - 'MS-PMincho-BoldItalic': 'MS PMincho-BoldItalic', - 'MS-PMincho-Italic': 'MS PMincho-Italic' -}; - -var serifFonts = { - 'Adobe Jenson': true, 'Adobe Text': true, 'Albertus': true, - 'Aldus': true, 'Alexandria': true, 'Algerian': true, - 'American Typewriter': true, 'Antiqua': true, 'Apex': true, - 'Arno': true, 'Aster': true, 'Aurora': true, - 'Baskerville': true, 'Bell': true, 'Bembo': true, - 'Bembo Schoolbook': true, 'Benguiat': true, 'Berkeley Old Style': true, - 'Bernhard Modern': true, 'Berthold City': true, 'Bodoni': true, - 'Bauer Bodoni': true, 'Book Antiqua': true, 'Bookman': true, - 'Bordeaux Roman': true, 'Californian FB': true, 'Calisto': true, - 'Calvert': true, 'Capitals': true, 'Cambria': true, - 'Cartier': true, 'Caslon': true, 'Catull': true, - 'Centaur': true, 'Century Old Style': true, 'Century Schoolbook': true, - 'Chaparral': true, 'Charis SIL': true, 'Cheltenham': true, - 'Cholla Slab': true, 'Clarendon': true, 'Clearface': true, - 'Cochin': true, 'Colonna': true, 'Computer Modern': true, - 'Concrete Roman': true, 'Constantia': true, 'Cooper Black': true, - 'Corona': true, 'Ecotype': true, 'Egyptienne': true, - 'Elephant': true, 'Excelsior': true, 'Fairfield': true, - 'FF Scala': true, 'Folkard': true, 'Footlight': true, - 'FreeSerif': true, 'Friz Quadrata': true, 'Garamond': true, - 'Gentium': true, 'Georgia': true, 'Gloucester': true, - 'Goudy Old Style': true, 'Goudy Schoolbook': true, 'Goudy Pro Font': true, - 'Granjon': true, 'Guardian Egyptian': true, 'Heather': true, - 'Hercules': true, 'High Tower Text': true, 'Hiroshige': true, - 'Hoefler Text': true, 'Humana Serif': true, 'Imprint': true, - 'Ionic No. 5': true, 'Janson': true, 'Joanna': true, - 'Korinna': true, 'Lexicon': true, 'Liberation Serif': true, - 'Linux Libertine': true, 'Literaturnaya': true, 'Lucida': true, - 'Lucida Bright': true, 'Melior': true, 'Memphis': true, - 'Miller': true, 'Minion': true, 'Modern': true, - 'Mona Lisa': true, 'Mrs Eaves': true, 'MS Serif': true, - 'Museo Slab': true, 'New York': true, 'Nimbus Roman': true, - 'NPS Rawlinson Roadway': true, 'Palatino': true, 'Perpetua': true, - 'Plantin': true, 'Plantin Schoolbook': true, 'Playbill': true, - 'Poor Richard': true, 'Rawlinson Roadway': true, 'Renault': true, - 'Requiem': true, 'Rockwell': true, 'Roman': true, - 'Rotis Serif': true, 'Sabon': true, 'Scala': true, - 'Seagull': true, 'Sistina': true, 'Souvenir': true, - 'STIX': true, 'Stone Informal': true, 'Stone Serif': true, - 'Sylfaen': true, 'Times': true, 'Trajan': true, - 'Trinité': true, 'Trump Mediaeval': true, 'Utopia': true, - 'Vale Type': true, 'Bitstream Vera': true, 'Vera Serif': true, - 'Versailles': true, 'Wanted': true, 'Weiss': true, - 'Wide Latin': true, 'Windsor': true, 'XITS': true -}; - -var symbolsFonts = { - 'Dingbats': true, 'Symbol': true, 'ZapfDingbats': true -}; - -// Glyph map for well-known standard fonts. Sometimes Ghostscript uses CID fonts -// but does not embed the CID to GID mapping. The mapping is incomplete for all -// glyphs, but common for some set of the standard fonts. -var GlyphMapForStandardFonts = { - '2': 10, '3': 32, '4': 33, '5': 34, '6': 35, '7': 36, '8': 37, '9': 38, - '10': 39, '11': 40, '12': 41, '13': 42, '14': 43, '15': 44, '16': 45, - '17': 46, '18': 47, '19': 48, '20': 49, '21': 50, '22': 51, '23': 52, - '24': 53, '25': 54, '26': 55, '27': 56, '28': 57, '29': 58, '30': 894, - '31': 60, '32': 61, '33': 62, '34': 63, '35': 64, '36': 65, '37': 66, - '38': 67, '39': 68, '40': 69, '41': 70, '42': 71, '43': 72, '44': 73, - '45': 74, '46': 75, '47': 76, '48': 77, '49': 78, '50': 79, '51': 80, - '52': 81, '53': 82, '54': 83, '55': 84, '56': 85, '57': 86, '58': 87, - '59': 88, '60': 89, '61': 90, '62': 91, '63': 92, '64': 93, '65': 94, - '66': 95, '67': 96, '68': 97, '69': 98, '70': 99, '71': 100, '72': 101, - '73': 102, '74': 103, '75': 104, '76': 105, '77': 106, '78': 107, '79': 108, - '80': 109, '81': 110, '82': 111, '83': 112, '84': 113, '85': 114, '86': 115, - '87': 116, '88': 117, '89': 118, '90': 119, '91': 120, '92': 121, '93': 122, - '94': 123, '95': 124, '96': 125, '97': 126, '98': 196, '99': 197, '100': 199, - '101': 201, '102': 209, '103': 214, '104': 220, '105': 225, '106': 224, - '107': 226, '108': 228, '109': 227, '110': 229, '111': 231, '112': 233, - '113': 232, '114': 234, '115': 235, '116': 237, '117': 236, '118': 238, - '119': 239, '120': 241, '121': 243, '122': 242, '123': 244, '124': 246, - '125': 245, '126': 250, '127': 249, '128': 251, '129': 252, '130': 8224, - '131': 176, '132': 162, '133': 163, '134': 167, '135': 8226, '136': 182, - '137': 223, '138': 174, '139': 169, '140': 8482, '141': 180, '142': 168, - '143': 8800, '144': 198, '145': 216, '146': 8734, '147': 177, '148': 8804, - '149': 8805, '150': 165, '151': 181, '152': 8706, '153': 8721, '154': 8719, - '156': 8747, '157': 170, '158': 186, '159': 8486, '160': 230, '161': 248, - '162': 191, '163': 161, '164': 172, '165': 8730, '166': 402, '167': 8776, - '168': 8710, '169': 171, '170': 187, '171': 8230, '210': 218, '223': 711, - '224': 321, '225': 322, '227': 353, '229': 382, '234': 253, '252': 263, - '253': 268, '254': 269, '258': 258, '260': 260, '261': 261, '265': 280, - '266': 281, '268': 283, '269': 313, '275': 323, '276': 324, '278': 328, - '284': 345, '285': 346, '286': 347, '292': 367, '295': 377, '296': 378, - '298': 380, '305': 963, - '306': 964, '307': 966, '308': 8215, '309': 8252, '310': 8319, '311': 8359, - '312': 8592, '313': 8593, '337': 9552, '493': 1039, '494': 1040, '705': 1524, - '706': 8362, '710': 64288, '711': 64298, '759': 1617, '761': 1776, - '763': 1778, '775': 1652, '777': 1764, '778': 1780, '779': 1781, '780': 1782, - '782': 771, '783': 64726, '786': 8363, '788': 8532, '790': 768, '791': 769, - '792': 768, '795': 803, '797': 64336, '798': 64337, '799': 64342, - '800': 64343, '801': 64344, '802': 64345, '803': 64362, '804': 64363, - '805': 64364, '2424': 7821, '2425': 7822, '2426': 7823, '2427': 7824, - '2428': 7825, '2429': 7826, '2430': 7827, '2433': 7682, '2678': 8045, - '2679': 8046, '2830': 1552, '2838': 686, '2840': 751, '2842': 753, - '2843': 754, '2844': 755, '2846': 757, '2856': 767, '2857': 848, '2858': 849, - '2862': 853, '2863': 854, '2864': 855, '2865': 861, '2866': 862, '2906': 7460, - '2908': 7462, '2909': 7463, '2910': 7464, '2912': 7466, '2913': 7467, - '2914': 7468, '2916': 7470, '2917': 7471, '2918': 7472, '2920': 7474, - '2921': 7475, '2922': 7476, '2924': 7478, '2925': 7479, '2926': 7480, - '2928': 7482, '2929': 7483, '2930': 7484, '2932': 7486, '2933': 7487, - '2934': 7488, '2936': 7490, '2937': 7491, '2938': 7492, '2940': 7494, - '2941': 7495, '2942': 7496, '2944': 7498, '2946': 7500, '2948': 7502, - '2950': 7504, '2951': 7505, '2952': 7506, '2954': 7508, '2955': 7509, - '2956': 7510, '2958': 7512, '2959': 7513, '2960': 7514, '2962': 7516, - '2963': 7517, '2964': 7518, '2966': 7520, '2967': 7521, '2968': 7522, - '2970': 7524, '2971': 7525, '2972': 7526, '2974': 7528, '2975': 7529, - '2976': 7530, '2978': 1537, '2979': 1538, '2980': 1539, '2982': 1549, - '2983': 1551, '2984': 1552, '2986': 1554, '2987': 1555, '2988': 1556, - '2990': 1623, '2991': 1624, '2995': 1775, '2999': 1791, '3002': 64290, - '3003': 64291, '3004': 64292, '3006': 64294, '3007': 64295, '3008': 64296, - '3011': 1900, '3014': 8223, '3015': 8244, '3017': 7532, '3018': 7533, - '3019': 7534, '3075': 7590, '3076': 7591, '3079': 7594, '3080': 7595, - '3083': 7598, '3084': 7599, '3087': 7602, '3088': 7603, '3091': 7606, - '3092': 7607, '3095': 7610, '3096': 7611, '3099': 7614, '3100': 7615, - '3103': 7618, '3104': 7619, '3107': 8337, '3108': 8338, '3116': 1884, - '3119': 1885, '3120': 1885, '3123': 1886, '3124': 1886, '3127': 1887, - '3128': 1887, '3131': 1888, '3132': 1888, '3135': 1889, '3136': 1889, - '3139': 1890, '3140': 1890, '3143': 1891, '3144': 1891, '3147': 1892, - '3148': 1892, '3153': 580, '3154': 581, '3157': 584, '3158': 585, '3161': 588, - '3162': 589, '3165': 891, '3166': 892, '3169': 1274, '3170': 1275, - '3173': 1278, '3174': 1279, '3181': 7622, '3182': 7623, '3282': 11799, - '3316': 578, '3379': 42785, '3393': 1159, '3416': 8377 -}; - -// Some characters, e.g. copyrightserif, are mapped to the private use area and -// might not be displayed using standard fonts. Mapping/hacking well-known chars -// to the similar equivalents in the normal characters range. -var SpecialPUASymbols = { - '63721': 0x00A9, // copyrightsans (0xF8E9) => copyright - '63193': 0x00A9, // copyrightserif (0xF6D9) => copyright - '63720': 0x00AE, // registersans (0xF8E8) => registered - '63194': 0x00AE, // registerserif (0xF6DA) => registered - '63722': 0x2122, // trademarksans (0xF8EA) => trademark - '63195': 0x2122, // trademarkserif (0xF6DB) => trademark - '63729': 0x23A7, // bracelefttp (0xF8F1) - '63730': 0x23A8, // braceleftmid (0xF8F2) - '63731': 0x23A9, // braceleftbt (0xF8F3) - '63740': 0x23AB, // bracerighttp (0xF8FC) - '63741': 0x23AC, // bracerightmid (0xF8FD) - '63742': 0x23AD, // bracerightmid (0xF8FE) - '63726': 0x23A1, // bracketlefttp (0xF8EE) - '63727': 0x23A2, // bracketleftex (0xF8EF) - '63728': 0x23A3, // bracketleftbt (0xF8F0) - '63737': 0x23A4, // bracketrighttp (0xF8F9) - '63738': 0x23A5, // bracketrightex (0xF8FA) - '63739': 0x23A6, // bracketrightbt (0xF8FB) - '63723': 0x239B, // parenlefttp (0xF8EB) - '63724': 0x239C, // parenleftex (0xF8EC) - '63725': 0x239D, // parenleftbt (0xF8ED) - '63734': 0x239E, // parenrighttp (0xF8F6) - '63735': 0x239F, // parenrightex (0xF8F7) - '63736': 0x23A0, // parenrightbt (0xF8F8) -}; -function mapSpecialUnicodeValues(code) { - if (code >= 0xFFF0 && code <= 0xFFFF) { // Specials unicode block. - return 0; - } else if (code >= 0xF600 && code <= 0xF8FF) { - return (SpecialPUASymbols[code] || code); - } - return code; -} - -var UnicodeRanges = [ - { 'begin': 0x0000, 'end': 0x007F }, // Basic Latin - { 'begin': 0x0080, 'end': 0x00FF }, // Latin-1 Supplement - { 'begin': 0x0100, 'end': 0x017F }, // Latin Extended-A - { 'begin': 0x0180, 'end': 0x024F }, // Latin Extended-B - { 'begin': 0x0250, 'end': 0x02AF }, // IPA Extensions - { 'begin': 0x02B0, 'end': 0x02FF }, // Spacing Modifier Letters - { 'begin': 0x0300, 'end': 0x036F }, // Combining Diacritical Marks - { 'begin': 0x0370, 'end': 0x03FF }, // Greek and Coptic - { 'begin': 0x2C80, 'end': 0x2CFF }, // Coptic - { 'begin': 0x0400, 'end': 0x04FF }, // Cyrillic - { 'begin': 0x0530, 'end': 0x058F }, // Armenian - { 'begin': 0x0590, 'end': 0x05FF }, // Hebrew - { 'begin': 0xA500, 'end': 0xA63F }, // Vai - { 'begin': 0x0600, 'end': 0x06FF }, // Arabic - { 'begin': 0x07C0, 'end': 0x07FF }, // NKo - { 'begin': 0x0900, 'end': 0x097F }, // Devanagari - { 'begin': 0x0980, 'end': 0x09FF }, // Bengali - { 'begin': 0x0A00, 'end': 0x0A7F }, // Gurmukhi - { 'begin': 0x0A80, 'end': 0x0AFF }, // Gujarati - { 'begin': 0x0B00, 'end': 0x0B7F }, // Oriya - { 'begin': 0x0B80, 'end': 0x0BFF }, // Tamil - { 'begin': 0x0C00, 'end': 0x0C7F }, // Telugu - { 'begin': 0x0C80, 'end': 0x0CFF }, // Kannada - { 'begin': 0x0D00, 'end': 0x0D7F }, // Malayalam - { 'begin': 0x0E00, 'end': 0x0E7F }, // Thai - { 'begin': 0x0E80, 'end': 0x0EFF }, // Lao - { 'begin': 0x10A0, 'end': 0x10FF }, // Georgian - { 'begin': 0x1B00, 'end': 0x1B7F }, // Balinese - { 'begin': 0x1100, 'end': 0x11FF }, // Hangul Jamo - { 'begin': 0x1E00, 'end': 0x1EFF }, // Latin Extended Additional - { 'begin': 0x1F00, 'end': 0x1FFF }, // Greek Extended - { 'begin': 0x2000, 'end': 0x206F }, // General Punctuation - { 'begin': 0x2070, 'end': 0x209F }, // Superscripts And Subscripts - { 'begin': 0x20A0, 'end': 0x20CF }, // Currency Symbol - { 'begin': 0x20D0, 'end': 0x20FF }, // Combining Diacritical Marks For Symbols - { 'begin': 0x2100, 'end': 0x214F }, // Letterlike Symbols - { 'begin': 0x2150, 'end': 0x218F }, // Number Forms - { 'begin': 0x2190, 'end': 0x21FF }, // Arrows - { 'begin': 0x2200, 'end': 0x22FF }, // Mathematical Operators - { 'begin': 0x2300, 'end': 0x23FF }, // Miscellaneous Technical - { 'begin': 0x2400, 'end': 0x243F }, // Control Pictures - { 'begin': 0x2440, 'end': 0x245F }, // Optical Character Recognition - { 'begin': 0x2460, 'end': 0x24FF }, // Enclosed Alphanumerics - { 'begin': 0x2500, 'end': 0x257F }, // Box Drawing - { 'begin': 0x2580, 'end': 0x259F }, // Block Elements - { 'begin': 0x25A0, 'end': 0x25FF }, // Geometric Shapes - { 'begin': 0x2600, 'end': 0x26FF }, // Miscellaneous Symbols - { 'begin': 0x2700, 'end': 0x27BF }, // Dingbats - { 'begin': 0x3000, 'end': 0x303F }, // CJK Symbols And Punctuation - { 'begin': 0x3040, 'end': 0x309F }, // Hiragana - { 'begin': 0x30A0, 'end': 0x30FF }, // Katakana - { 'begin': 0x3100, 'end': 0x312F }, // Bopomofo - { 'begin': 0x3130, 'end': 0x318F }, // Hangul Compatibility Jamo - { 'begin': 0xA840, 'end': 0xA87F }, // Phags-pa - { 'begin': 0x3200, 'end': 0x32FF }, // Enclosed CJK Letters And Months - { 'begin': 0x3300, 'end': 0x33FF }, // CJK Compatibility - { 'begin': 0xAC00, 'end': 0xD7AF }, // Hangul Syllables - { 'begin': 0xD800, 'end': 0xDFFF }, // Non-Plane 0 * - { 'begin': 0x10900, 'end': 0x1091F }, // Phoenicia - { 'begin': 0x4E00, 'end': 0x9FFF }, // CJK Unified Ideographs - { 'begin': 0xE000, 'end': 0xF8FF }, // Private Use Area (plane 0) - { 'begin': 0x31C0, 'end': 0x31EF }, // CJK Strokes - { 'begin': 0xFB00, 'end': 0xFB4F }, // Alphabetic Presentation Forms - { 'begin': 0xFB50, 'end': 0xFDFF }, // Arabic Presentation Forms-A - { 'begin': 0xFE20, 'end': 0xFE2F }, // Combining Half Marks - { 'begin': 0xFE10, 'end': 0xFE1F }, // Vertical Forms - { 'begin': 0xFE50, 'end': 0xFE6F }, // Small Form Variants - { 'begin': 0xFE70, 'end': 0xFEFF }, // Arabic Presentation Forms-B - { 'begin': 0xFF00, 'end': 0xFFEF }, // Halfwidth And Fullwidth Forms - { 'begin': 0xFFF0, 'end': 0xFFFF }, // Specials - { 'begin': 0x0F00, 'end': 0x0FFF }, // Tibetan - { 'begin': 0x0700, 'end': 0x074F }, // Syriac - { 'begin': 0x0780, 'end': 0x07BF }, // Thaana - { 'begin': 0x0D80, 'end': 0x0DFF }, // Sinhala - { 'begin': 0x1000, 'end': 0x109F }, // Myanmar - { 'begin': 0x1200, 'end': 0x137F }, // Ethiopic - { 'begin': 0x13A0, 'end': 0x13FF }, // Cherokee - { 'begin': 0x1400, 'end': 0x167F }, // Unified Canadian Aboriginal Syllabics - { 'begin': 0x1680, 'end': 0x169F }, // Ogham - { 'begin': 0x16A0, 'end': 0x16FF }, // Runic - { 'begin': 0x1780, 'end': 0x17FF }, // Khmer - { 'begin': 0x1800, 'end': 0x18AF }, // Mongolian - { 'begin': 0x2800, 'end': 0x28FF }, // Braille Patterns - { 'begin': 0xA000, 'end': 0xA48F }, // Yi Syllables - { 'begin': 0x1700, 'end': 0x171F }, // Tagalog - { 'begin': 0x10300, 'end': 0x1032F }, // Old Italic - { 'begin': 0x10330, 'end': 0x1034F }, // Gothic - { 'begin': 0x10400, 'end': 0x1044F }, // Deseret - { 'begin': 0x1D000, 'end': 0x1D0FF }, // Byzantine Musical Symbols - { 'begin': 0x1D400, 'end': 0x1D7FF }, // Mathematical Alphanumeric Symbols - { 'begin': 0xFF000, 'end': 0xFFFFD }, // Private Use (plane 15) - { 'begin': 0xFE00, 'end': 0xFE0F }, // Variation Selectors - { 'begin': 0xE0000, 'end': 0xE007F }, // Tags - { 'begin': 0x1900, 'end': 0x194F }, // Limbu - { 'begin': 0x1950, 'end': 0x197F }, // Tai Le - { 'begin': 0x1980, 'end': 0x19DF }, // New Tai Lue - { 'begin': 0x1A00, 'end': 0x1A1F }, // Buginese - { 'begin': 0x2C00, 'end': 0x2C5F }, // Glagolitic - { 'begin': 0x2D30, 'end': 0x2D7F }, // Tifinagh - { 'begin': 0x4DC0, 'end': 0x4DFF }, // Yijing Hexagram Symbols - { 'begin': 0xA800, 'end': 0xA82F }, // Syloti Nagri - { 'begin': 0x10000, 'end': 0x1007F }, // Linear B Syllabary - { 'begin': 0x10140, 'end': 0x1018F }, // Ancient Greek Numbers - { 'begin': 0x10380, 'end': 0x1039F }, // Ugaritic - { 'begin': 0x103A0, 'end': 0x103DF }, // Old Persian - { 'begin': 0x10450, 'end': 0x1047F }, // Shavian - { 'begin': 0x10480, 'end': 0x104AF }, // Osmanya - { 'begin': 0x10800, 'end': 0x1083F }, // Cypriot Syllabary - { 'begin': 0x10A00, 'end': 0x10A5F }, // Kharoshthi - { 'begin': 0x1D300, 'end': 0x1D35F }, // Tai Xuan Jing Symbols - { 'begin': 0x12000, 'end': 0x123FF }, // Cuneiform - { 'begin': 0x1D360, 'end': 0x1D37F }, // Counting Rod Numerals - { 'begin': 0x1B80, 'end': 0x1BBF }, // Sundanese - { 'begin': 0x1C00, 'end': 0x1C4F }, // Lepcha - { 'begin': 0x1C50, 'end': 0x1C7F }, // Ol Chiki - { 'begin': 0xA880, 'end': 0xA8DF }, // Saurashtra - { 'begin': 0xA900, 'end': 0xA92F }, // Kayah Li - { 'begin': 0xA930, 'end': 0xA95F }, // Rejang - { 'begin': 0xAA00, 'end': 0xAA5F }, // Cham - { 'begin': 0x10190, 'end': 0x101CF }, // Ancient Symbols - { 'begin': 0x101D0, 'end': 0x101FF }, // Phaistos Disc - { 'begin': 0x102A0, 'end': 0x102DF }, // Carian - { 'begin': 0x1F030, 'end': 0x1F09F } // Domino Tiles -]; - -var MacStandardGlyphOrdering = [ - '.notdef', '.null', 'nonmarkingreturn', 'space', 'exclam', 'quotedbl', - 'numbersign', 'dollar', 'percent', 'ampersand', 'quotesingle', 'parenleft', - 'parenright', 'asterisk', 'plus', 'comma', 'hyphen', 'period', 'slash', - 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', - 'nine', 'colon', 'semicolon', 'less', 'equal', 'greater', 'question', 'at', - 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', - 'backslash', 'bracketright', 'asciicircum', 'underscore', 'grave', 'a', 'b', - 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', - 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', - 'asciitilde', 'Adieresis', 'Aring', 'Ccedilla', 'Eacute', 'Ntilde', - 'Odieresis', 'Udieresis', 'aacute', 'agrave', 'acircumflex', 'adieresis', - 'atilde', 'aring', 'ccedilla', 'eacute', 'egrave', 'ecircumflex', 'edieresis', - 'iacute', 'igrave', 'icircumflex', 'idieresis', 'ntilde', 'oacute', 'ograve', - 'ocircumflex', 'odieresis', 'otilde', 'uacute', 'ugrave', 'ucircumflex', - 'udieresis', 'dagger', 'degree', 'cent', 'sterling', 'section', 'bullet', - 'paragraph', 'germandbls', 'registered', 'copyright', 'trademark', 'acute', - 'dieresis', 'notequal', 'AE', 'Oslash', 'infinity', 'plusminus', 'lessequal', - 'greaterequal', 'yen', 'mu', 'partialdiff', 'summation', 'product', 'pi', - 'integral', 'ordfeminine', 'ordmasculine', 'Omega', 'ae', 'oslash', - 'questiondown', 'exclamdown', 'logicalnot', 'radical', 'florin', - 'approxequal', 'Delta', 'guillemotleft', 'guillemotright', 'ellipsis', - 'nonbreakingspace', 'Agrave', 'Atilde', 'Otilde', 'OE', 'oe', 'endash', - 'emdash', 'quotedblleft', 'quotedblright', 'quoteleft', 'quoteright', - 'divide', 'lozenge', 'ydieresis', 'Ydieresis', 'fraction', 'currency', - 'guilsinglleft', 'guilsinglright', 'fi', 'fl', 'daggerdbl', 'periodcentered', - 'quotesinglbase', 'quotedblbase', 'perthousand', 'Acircumflex', - 'Ecircumflex', 'Aacute', 'Edieresis', 'Egrave', 'Iacute', 'Icircumflex', - 'Idieresis', 'Igrave', 'Oacute', 'Ocircumflex', 'apple', 'Ograve', 'Uacute', - 'Ucircumflex', 'Ugrave', 'dotlessi', 'circumflex', 'tilde', 'macron', - 'breve', 'dotaccent', 'ring', 'cedilla', 'hungarumlaut', 'ogonek', 'caron', - 'Lslash', 'lslash', 'Scaron', 'scaron', 'Zcaron', 'zcaron', 'brokenbar', - 'Eth', 'eth', 'Yacute', 'yacute', 'Thorn', 'thorn', 'minus', 'multiply', - 'onesuperior', 'twosuperior', 'threesuperior', 'onehalf', 'onequarter', - 'threequarters', 'franc', 'Gbreve', 'gbreve', 'Idotaccent', 'Scedilla', - 'scedilla', 'Cacute', 'cacute', 'Ccaron', 'ccaron', 'dcroat']; - -function getUnicodeRangeFor(value) { - for (var i = 0, ii = UnicodeRanges.length; i < ii; i++) { - var range = UnicodeRanges[i]; - if (value >= range.begin && value < range.end) { - return i; - } - } - return -1; -} - -function isRTLRangeFor(value) { - var range = UnicodeRanges[13]; - if (value >= range.begin && value < range.end) { - return true; - } - range = UnicodeRanges[11]; - if (value >= range.begin && value < range.end) { - return true; - } - return false; -} - -// The normalization table is obtained by filtering the Unicode characters -// database with entries. -var NormalizedUnicodes = { - '\u00A8': '\u0020\u0308', - '\u00AF': '\u0020\u0304', - '\u00B4': '\u0020\u0301', - '\u00B5': '\u03BC', - '\u00B8': '\u0020\u0327', - '\u0132': '\u0049\u004A', - '\u0133': '\u0069\u006A', - '\u013F': '\u004C\u00B7', - '\u0140': '\u006C\u00B7', - '\u0149': '\u02BC\u006E', - '\u017F': '\u0073', - '\u01C4': '\u0044\u017D', - '\u01C5': '\u0044\u017E', - '\u01C6': '\u0064\u017E', - '\u01C7': '\u004C\u004A', - '\u01C8': '\u004C\u006A', - '\u01C9': '\u006C\u006A', - '\u01CA': '\u004E\u004A', - '\u01CB': '\u004E\u006A', - '\u01CC': '\u006E\u006A', - '\u01F1': '\u0044\u005A', - '\u01F2': '\u0044\u007A', - '\u01F3': '\u0064\u007A', - '\u02D8': '\u0020\u0306', - '\u02D9': '\u0020\u0307', - '\u02DA': '\u0020\u030A', - '\u02DB': '\u0020\u0328', - '\u02DC': '\u0020\u0303', - '\u02DD': '\u0020\u030B', - '\u037A': '\u0020\u0345', - '\u0384': '\u0020\u0301', - '\u03D0': '\u03B2', - '\u03D1': '\u03B8', - '\u03D2': '\u03A5', - '\u03D5': '\u03C6', - '\u03D6': '\u03C0', - '\u03F0': '\u03BA', - '\u03F1': '\u03C1', - '\u03F2': '\u03C2', - '\u03F4': '\u0398', - '\u03F5': '\u03B5', - '\u03F9': '\u03A3', - '\u0587': '\u0565\u0582', - '\u0675': '\u0627\u0674', - '\u0676': '\u0648\u0674', - '\u0677': '\u06C7\u0674', - '\u0678': '\u064A\u0674', - '\u0E33': '\u0E4D\u0E32', - '\u0EB3': '\u0ECD\u0EB2', - '\u0EDC': '\u0EAB\u0E99', - '\u0EDD': '\u0EAB\u0EA1', - '\u0F77': '\u0FB2\u0F81', - '\u0F79': '\u0FB3\u0F81', - '\u1E9A': '\u0061\u02BE', - '\u1FBD': '\u0020\u0313', - '\u1FBF': '\u0020\u0313', - '\u1FC0': '\u0020\u0342', - '\u1FFE': '\u0020\u0314', - '\u2002': '\u0020', - '\u2003': '\u0020', - '\u2004': '\u0020', - '\u2005': '\u0020', - '\u2006': '\u0020', - '\u2008': '\u0020', - '\u2009': '\u0020', - '\u200A': '\u0020', - '\u2017': '\u0020\u0333', - '\u2024': '\u002E', - '\u2025': '\u002E\u002E', - '\u2026': '\u002E\u002E\u002E', - '\u2033': '\u2032\u2032', - '\u2034': '\u2032\u2032\u2032', - '\u2036': '\u2035\u2035', - '\u2037': '\u2035\u2035\u2035', - '\u203C': '\u0021\u0021', - '\u203E': '\u0020\u0305', - '\u2047': '\u003F\u003F', - '\u2048': '\u003F\u0021', - '\u2049': '\u0021\u003F', - '\u2057': '\u2032\u2032\u2032\u2032', - '\u205F': '\u0020', - '\u20A8': '\u0052\u0073', - '\u2100': '\u0061\u002F\u0063', - '\u2101': '\u0061\u002F\u0073', - '\u2103': '\u00B0\u0043', - '\u2105': '\u0063\u002F\u006F', - '\u2106': '\u0063\u002F\u0075', - '\u2107': '\u0190', - '\u2109': '\u00B0\u0046', - '\u2116': '\u004E\u006F', - '\u2121': '\u0054\u0045\u004C', - '\u2135': '\u05D0', - '\u2136': '\u05D1', - '\u2137': '\u05D2', - '\u2138': '\u05D3', - '\u213B': '\u0046\u0041\u0058', - '\u2160': '\u0049', - '\u2161': '\u0049\u0049', - '\u2162': '\u0049\u0049\u0049', - '\u2163': '\u0049\u0056', - '\u2164': '\u0056', - '\u2165': '\u0056\u0049', - '\u2166': '\u0056\u0049\u0049', - '\u2167': '\u0056\u0049\u0049\u0049', - '\u2168': '\u0049\u0058', - '\u2169': '\u0058', - '\u216A': '\u0058\u0049', - '\u216B': '\u0058\u0049\u0049', - '\u216C': '\u004C', - '\u216D': '\u0043', - '\u216E': '\u0044', - '\u216F': '\u004D', - '\u2170': '\u0069', - '\u2171': '\u0069\u0069', - '\u2172': '\u0069\u0069\u0069', - '\u2173': '\u0069\u0076', - '\u2174': '\u0076', - '\u2175': '\u0076\u0069', - '\u2176': '\u0076\u0069\u0069', - '\u2177': '\u0076\u0069\u0069\u0069', - '\u2178': '\u0069\u0078', - '\u2179': '\u0078', - '\u217A': '\u0078\u0069', - '\u217B': '\u0078\u0069\u0069', - '\u217C': '\u006C', - '\u217D': '\u0063', - '\u217E': '\u0064', - '\u217F': '\u006D', - '\u222C': '\u222B\u222B', - '\u222D': '\u222B\u222B\u222B', - '\u222F': '\u222E\u222E', - '\u2230': '\u222E\u222E\u222E', - '\u2474': '\u0028\u0031\u0029', - '\u2475': '\u0028\u0032\u0029', - '\u2476': '\u0028\u0033\u0029', - '\u2477': '\u0028\u0034\u0029', - '\u2478': '\u0028\u0035\u0029', - '\u2479': '\u0028\u0036\u0029', - '\u247A': '\u0028\u0037\u0029', - '\u247B': '\u0028\u0038\u0029', - '\u247C': '\u0028\u0039\u0029', - '\u247D': '\u0028\u0031\u0030\u0029', - '\u247E': '\u0028\u0031\u0031\u0029', - '\u247F': '\u0028\u0031\u0032\u0029', - '\u2480': '\u0028\u0031\u0033\u0029', - '\u2481': '\u0028\u0031\u0034\u0029', - '\u2482': '\u0028\u0031\u0035\u0029', - '\u2483': '\u0028\u0031\u0036\u0029', - '\u2484': '\u0028\u0031\u0037\u0029', - '\u2485': '\u0028\u0031\u0038\u0029', - '\u2486': '\u0028\u0031\u0039\u0029', - '\u2487': '\u0028\u0032\u0030\u0029', - '\u2488': '\u0031\u002E', - '\u2489': '\u0032\u002E', - '\u248A': '\u0033\u002E', - '\u248B': '\u0034\u002E', - '\u248C': '\u0035\u002E', - '\u248D': '\u0036\u002E', - '\u248E': '\u0037\u002E', - '\u248F': '\u0038\u002E', - '\u2490': '\u0039\u002E', - '\u2491': '\u0031\u0030\u002E', - '\u2492': '\u0031\u0031\u002E', - '\u2493': '\u0031\u0032\u002E', - '\u2494': '\u0031\u0033\u002E', - '\u2495': '\u0031\u0034\u002E', - '\u2496': '\u0031\u0035\u002E', - '\u2497': '\u0031\u0036\u002E', - '\u2498': '\u0031\u0037\u002E', - '\u2499': '\u0031\u0038\u002E', - '\u249A': '\u0031\u0039\u002E', - '\u249B': '\u0032\u0030\u002E', - '\u249C': '\u0028\u0061\u0029', - '\u249D': '\u0028\u0062\u0029', - '\u249E': '\u0028\u0063\u0029', - '\u249F': '\u0028\u0064\u0029', - '\u24A0': '\u0028\u0065\u0029', - '\u24A1': '\u0028\u0066\u0029', - '\u24A2': '\u0028\u0067\u0029', - '\u24A3': '\u0028\u0068\u0029', - '\u24A4': '\u0028\u0069\u0029', - '\u24A5': '\u0028\u006A\u0029', - '\u24A6': '\u0028\u006B\u0029', - '\u24A7': '\u0028\u006C\u0029', - '\u24A8': '\u0028\u006D\u0029', - '\u24A9': '\u0028\u006E\u0029', - '\u24AA': '\u0028\u006F\u0029', - '\u24AB': '\u0028\u0070\u0029', - '\u24AC': '\u0028\u0071\u0029', - '\u24AD': '\u0028\u0072\u0029', - '\u24AE': '\u0028\u0073\u0029', - '\u24AF': '\u0028\u0074\u0029', - '\u24B0': '\u0028\u0075\u0029', - '\u24B1': '\u0028\u0076\u0029', - '\u24B2': '\u0028\u0077\u0029', - '\u24B3': '\u0028\u0078\u0029', - '\u24B4': '\u0028\u0079\u0029', - '\u24B5': '\u0028\u007A\u0029', - '\u2A0C': '\u222B\u222B\u222B\u222B', - '\u2A74': '\u003A\u003A\u003D', - '\u2A75': '\u003D\u003D', - '\u2A76': '\u003D\u003D\u003D', - '\u2E9F': '\u6BCD', - '\u2EF3': '\u9F9F', - '\u2F00': '\u4E00', - '\u2F01': '\u4E28', - '\u2F02': '\u4E36', - '\u2F03': '\u4E3F', - '\u2F04': '\u4E59', - '\u2F05': '\u4E85', - '\u2F06': '\u4E8C', - '\u2F07': '\u4EA0', - '\u2F08': '\u4EBA', - '\u2F09': '\u513F', - '\u2F0A': '\u5165', - '\u2F0B': '\u516B', - '\u2F0C': '\u5182', - '\u2F0D': '\u5196', - '\u2F0E': '\u51AB', - '\u2F0F': '\u51E0', - '\u2F10': '\u51F5', - '\u2F11': '\u5200', - '\u2F12': '\u529B', - '\u2F13': '\u52F9', - '\u2F14': '\u5315', - '\u2F15': '\u531A', - '\u2F16': '\u5338', - '\u2F17': '\u5341', - '\u2F18': '\u535C', - '\u2F19': '\u5369', - '\u2F1A': '\u5382', - '\u2F1B': '\u53B6', - '\u2F1C': '\u53C8', - '\u2F1D': '\u53E3', - '\u2F1E': '\u56D7', - '\u2F1F': '\u571F', - '\u2F20': '\u58EB', - '\u2F21': '\u5902', - '\u2F22': '\u590A', - '\u2F23': '\u5915', - '\u2F24': '\u5927', - '\u2F25': '\u5973', - '\u2F26': '\u5B50', - '\u2F27': '\u5B80', - '\u2F28': '\u5BF8', - '\u2F29': '\u5C0F', - '\u2F2A': '\u5C22', - '\u2F2B': '\u5C38', - '\u2F2C': '\u5C6E', - '\u2F2D': '\u5C71', - '\u2F2E': '\u5DDB', - '\u2F2F': '\u5DE5', - '\u2F30': '\u5DF1', - '\u2F31': '\u5DFE', - '\u2F32': '\u5E72', - '\u2F33': '\u5E7A', - '\u2F34': '\u5E7F', - '\u2F35': '\u5EF4', - '\u2F36': '\u5EFE', - '\u2F37': '\u5F0B', - '\u2F38': '\u5F13', - '\u2F39': '\u5F50', - '\u2F3A': '\u5F61', - '\u2F3B': '\u5F73', - '\u2F3C': '\u5FC3', - '\u2F3D': '\u6208', - '\u2F3E': '\u6236', - '\u2F3F': '\u624B', - '\u2F40': '\u652F', - '\u2F41': '\u6534', - '\u2F42': '\u6587', - '\u2F43': '\u6597', - '\u2F44': '\u65A4', - '\u2F45': '\u65B9', - '\u2F46': '\u65E0', - '\u2F47': '\u65E5', - '\u2F48': '\u66F0', - '\u2F49': '\u6708', - '\u2F4A': '\u6728', - '\u2F4B': '\u6B20', - '\u2F4C': '\u6B62', - '\u2F4D': '\u6B79', - '\u2F4E': '\u6BB3', - '\u2F4F': '\u6BCB', - '\u2F50': '\u6BD4', - '\u2F51': '\u6BDB', - '\u2F52': '\u6C0F', - '\u2F53': '\u6C14', - '\u2F54': '\u6C34', - '\u2F55': '\u706B', - '\u2F56': '\u722A', - '\u2F57': '\u7236', - '\u2F58': '\u723B', - '\u2F59': '\u723F', - '\u2F5A': '\u7247', - '\u2F5B': '\u7259', - '\u2F5C': '\u725B', - '\u2F5D': '\u72AC', - '\u2F5E': '\u7384', - '\u2F5F': '\u7389', - '\u2F60': '\u74DC', - '\u2F61': '\u74E6', - '\u2F62': '\u7518', - '\u2F63': '\u751F', - '\u2F64': '\u7528', - '\u2F65': '\u7530', - '\u2F66': '\u758B', - '\u2F67': '\u7592', - '\u2F68': '\u7676', - '\u2F69': '\u767D', - '\u2F6A': '\u76AE', - '\u2F6B': '\u76BF', - '\u2F6C': '\u76EE', - '\u2F6D': '\u77DB', - '\u2F6E': '\u77E2', - '\u2F6F': '\u77F3', - '\u2F70': '\u793A', - '\u2F71': '\u79B8', - '\u2F72': '\u79BE', - '\u2F73': '\u7A74', - '\u2F74': '\u7ACB', - '\u2F75': '\u7AF9', - '\u2F76': '\u7C73', - '\u2F77': '\u7CF8', - '\u2F78': '\u7F36', - '\u2F79': '\u7F51', - '\u2F7A': '\u7F8A', - '\u2F7B': '\u7FBD', - '\u2F7C': '\u8001', - '\u2F7D': '\u800C', - '\u2F7E': '\u8012', - '\u2F7F': '\u8033', - '\u2F80': '\u807F', - '\u2F81': '\u8089', - '\u2F82': '\u81E3', - '\u2F83': '\u81EA', - '\u2F84': '\u81F3', - '\u2F85': '\u81FC', - '\u2F86': '\u820C', - '\u2F87': '\u821B', - '\u2F88': '\u821F', - '\u2F89': '\u826E', - '\u2F8A': '\u8272', - '\u2F8B': '\u8278', - '\u2F8C': '\u864D', - '\u2F8D': '\u866B', - '\u2F8E': '\u8840', - '\u2F8F': '\u884C', - '\u2F90': '\u8863', - '\u2F91': '\u897E', - '\u2F92': '\u898B', - '\u2F93': '\u89D2', - '\u2F94': '\u8A00', - '\u2F95': '\u8C37', - '\u2F96': '\u8C46', - '\u2F97': '\u8C55', - '\u2F98': '\u8C78', - '\u2F99': '\u8C9D', - '\u2F9A': '\u8D64', - '\u2F9B': '\u8D70', - '\u2F9C': '\u8DB3', - '\u2F9D': '\u8EAB', - '\u2F9E': '\u8ECA', - '\u2F9F': '\u8F9B', - '\u2FA0': '\u8FB0', - '\u2FA1': '\u8FB5', - '\u2FA2': '\u9091', - '\u2FA3': '\u9149', - '\u2FA4': '\u91C6', - '\u2FA5': '\u91CC', - '\u2FA6': '\u91D1', - '\u2FA7': '\u9577', - '\u2FA8': '\u9580', - '\u2FA9': '\u961C', - '\u2FAA': '\u96B6', - '\u2FAB': '\u96B9', - '\u2FAC': '\u96E8', - '\u2FAD': '\u9751', - '\u2FAE': '\u975E', - '\u2FAF': '\u9762', - '\u2FB0': '\u9769', - '\u2FB1': '\u97CB', - '\u2FB2': '\u97ED', - '\u2FB3': '\u97F3', - '\u2FB4': '\u9801', - '\u2FB5': '\u98A8', - '\u2FB6': '\u98DB', - '\u2FB7': '\u98DF', - '\u2FB8': '\u9996', - '\u2FB9': '\u9999', - '\u2FBA': '\u99AC', - '\u2FBB': '\u9AA8', - '\u2FBC': '\u9AD8', - '\u2FBD': '\u9ADF', - '\u2FBE': '\u9B25', - '\u2FBF': '\u9B2F', - '\u2FC0': '\u9B32', - '\u2FC1': '\u9B3C', - '\u2FC2': '\u9B5A', - '\u2FC3': '\u9CE5', - '\u2FC4': '\u9E75', - '\u2FC5': '\u9E7F', - '\u2FC6': '\u9EA5', - '\u2FC7': '\u9EBB', - '\u2FC8': '\u9EC3', - '\u2FC9': '\u9ECD', - '\u2FCA': '\u9ED1', - '\u2FCB': '\u9EF9', - '\u2FCC': '\u9EFD', - '\u2FCD': '\u9F0E', - '\u2FCE': '\u9F13', - '\u2FCF': '\u9F20', - '\u2FD0': '\u9F3B', - '\u2FD1': '\u9F4A', - '\u2FD2': '\u9F52', - '\u2FD3': '\u9F8D', - '\u2FD4': '\u9F9C', - '\u2FD5': '\u9FA0', - '\u3036': '\u3012', - '\u3038': '\u5341', - '\u3039': '\u5344', - '\u303A': '\u5345', - '\u309B': '\u0020\u3099', - '\u309C': '\u0020\u309A', - '\u3131': '\u1100', - '\u3132': '\u1101', - '\u3133': '\u11AA', - '\u3134': '\u1102', - '\u3135': '\u11AC', - '\u3136': '\u11AD', - '\u3137': '\u1103', - '\u3138': '\u1104', - '\u3139': '\u1105', - '\u313A': '\u11B0', - '\u313B': '\u11B1', - '\u313C': '\u11B2', - '\u313D': '\u11B3', - '\u313E': '\u11B4', - '\u313F': '\u11B5', - '\u3140': '\u111A', - '\u3141': '\u1106', - '\u3142': '\u1107', - '\u3143': '\u1108', - '\u3144': '\u1121', - '\u3145': '\u1109', - '\u3146': '\u110A', - '\u3147': '\u110B', - '\u3148': '\u110C', - '\u3149': '\u110D', - '\u314A': '\u110E', - '\u314B': '\u110F', - '\u314C': '\u1110', - '\u314D': '\u1111', - '\u314E': '\u1112', - '\u314F': '\u1161', - '\u3150': '\u1162', - '\u3151': '\u1163', - '\u3152': '\u1164', - '\u3153': '\u1165', - '\u3154': '\u1166', - '\u3155': '\u1167', - '\u3156': '\u1168', - '\u3157': '\u1169', - '\u3158': '\u116A', - '\u3159': '\u116B', - '\u315A': '\u116C', - '\u315B': '\u116D', - '\u315C': '\u116E', - '\u315D': '\u116F', - '\u315E': '\u1170', - '\u315F': '\u1171', - '\u3160': '\u1172', - '\u3161': '\u1173', - '\u3162': '\u1174', - '\u3163': '\u1175', - '\u3164': '\u1160', - '\u3165': '\u1114', - '\u3166': '\u1115', - '\u3167': '\u11C7', - '\u3168': '\u11C8', - '\u3169': '\u11CC', - '\u316A': '\u11CE', - '\u316B': '\u11D3', - '\u316C': '\u11D7', - '\u316D': '\u11D9', - '\u316E': '\u111C', - '\u316F': '\u11DD', - '\u3170': '\u11DF', - '\u3171': '\u111D', - '\u3172': '\u111E', - '\u3173': '\u1120', - '\u3174': '\u1122', - '\u3175': '\u1123', - '\u3176': '\u1127', - '\u3177': '\u1129', - '\u3178': '\u112B', - '\u3179': '\u112C', - '\u317A': '\u112D', - '\u317B': '\u112E', - '\u317C': '\u112F', - '\u317D': '\u1132', - '\u317E': '\u1136', - '\u317F': '\u1140', - '\u3180': '\u1147', - '\u3181': '\u114C', - '\u3182': '\u11F1', - '\u3183': '\u11F2', - '\u3184': '\u1157', - '\u3185': '\u1158', - '\u3186': '\u1159', - '\u3187': '\u1184', - '\u3188': '\u1185', - '\u3189': '\u1188', - '\u318A': '\u1191', - '\u318B': '\u1192', - '\u318C': '\u1194', - '\u318D': '\u119E', - '\u318E': '\u11A1', - '\u3200': '\u0028\u1100\u0029', - '\u3201': '\u0028\u1102\u0029', - '\u3202': '\u0028\u1103\u0029', - '\u3203': '\u0028\u1105\u0029', - '\u3204': '\u0028\u1106\u0029', - '\u3205': '\u0028\u1107\u0029', - '\u3206': '\u0028\u1109\u0029', - '\u3207': '\u0028\u110B\u0029', - '\u3208': '\u0028\u110C\u0029', - '\u3209': '\u0028\u110E\u0029', - '\u320A': '\u0028\u110F\u0029', - '\u320B': '\u0028\u1110\u0029', - '\u320C': '\u0028\u1111\u0029', - '\u320D': '\u0028\u1112\u0029', - '\u320E': '\u0028\u1100\u1161\u0029', - '\u320F': '\u0028\u1102\u1161\u0029', - '\u3210': '\u0028\u1103\u1161\u0029', - '\u3211': '\u0028\u1105\u1161\u0029', - '\u3212': '\u0028\u1106\u1161\u0029', - '\u3213': '\u0028\u1107\u1161\u0029', - '\u3214': '\u0028\u1109\u1161\u0029', - '\u3215': '\u0028\u110B\u1161\u0029', - '\u3216': '\u0028\u110C\u1161\u0029', - '\u3217': '\u0028\u110E\u1161\u0029', - '\u3218': '\u0028\u110F\u1161\u0029', - '\u3219': '\u0028\u1110\u1161\u0029', - '\u321A': '\u0028\u1111\u1161\u0029', - '\u321B': '\u0028\u1112\u1161\u0029', - '\u321C': '\u0028\u110C\u116E\u0029', - '\u321D': '\u0028\u110B\u1169\u110C\u1165\u11AB\u0029', - '\u321E': '\u0028\u110B\u1169\u1112\u116E\u0029', - '\u3220': '\u0028\u4E00\u0029', - '\u3221': '\u0028\u4E8C\u0029', - '\u3222': '\u0028\u4E09\u0029', - '\u3223': '\u0028\u56DB\u0029', - '\u3224': '\u0028\u4E94\u0029', - '\u3225': '\u0028\u516D\u0029', - '\u3226': '\u0028\u4E03\u0029', - '\u3227': '\u0028\u516B\u0029', - '\u3228': '\u0028\u4E5D\u0029', - '\u3229': '\u0028\u5341\u0029', - '\u322A': '\u0028\u6708\u0029', - '\u322B': '\u0028\u706B\u0029', - '\u322C': '\u0028\u6C34\u0029', - '\u322D': '\u0028\u6728\u0029', - '\u322E': '\u0028\u91D1\u0029', - '\u322F': '\u0028\u571F\u0029', - '\u3230': '\u0028\u65E5\u0029', - '\u3231': '\u0028\u682A\u0029', - '\u3232': '\u0028\u6709\u0029', - '\u3233': '\u0028\u793E\u0029', - '\u3234': '\u0028\u540D\u0029', - '\u3235': '\u0028\u7279\u0029', - '\u3236': '\u0028\u8CA1\u0029', - '\u3237': '\u0028\u795D\u0029', - '\u3238': '\u0028\u52B4\u0029', - '\u3239': '\u0028\u4EE3\u0029', - '\u323A': '\u0028\u547C\u0029', - '\u323B': '\u0028\u5B66\u0029', - '\u323C': '\u0028\u76E3\u0029', - '\u323D': '\u0028\u4F01\u0029', - '\u323E': '\u0028\u8CC7\u0029', - '\u323F': '\u0028\u5354\u0029', - '\u3240': '\u0028\u796D\u0029', - '\u3241': '\u0028\u4F11\u0029', - '\u3242': '\u0028\u81EA\u0029', - '\u3243': '\u0028\u81F3\u0029', - '\u32C0': '\u0031\u6708', - '\u32C1': '\u0032\u6708', - '\u32C2': '\u0033\u6708', - '\u32C3': '\u0034\u6708', - '\u32C4': '\u0035\u6708', - '\u32C5': '\u0036\u6708', - '\u32C6': '\u0037\u6708', - '\u32C7': '\u0038\u6708', - '\u32C8': '\u0039\u6708', - '\u32C9': '\u0031\u0030\u6708', - '\u32CA': '\u0031\u0031\u6708', - '\u32CB': '\u0031\u0032\u6708', - '\u3358': '\u0030\u70B9', - '\u3359': '\u0031\u70B9', - '\u335A': '\u0032\u70B9', - '\u335B': '\u0033\u70B9', - '\u335C': '\u0034\u70B9', - '\u335D': '\u0035\u70B9', - '\u335E': '\u0036\u70B9', - '\u335F': '\u0037\u70B9', - '\u3360': '\u0038\u70B9', - '\u3361': '\u0039\u70B9', - '\u3362': '\u0031\u0030\u70B9', - '\u3363': '\u0031\u0031\u70B9', - '\u3364': '\u0031\u0032\u70B9', - '\u3365': '\u0031\u0033\u70B9', - '\u3366': '\u0031\u0034\u70B9', - '\u3367': '\u0031\u0035\u70B9', - '\u3368': '\u0031\u0036\u70B9', - '\u3369': '\u0031\u0037\u70B9', - '\u336A': '\u0031\u0038\u70B9', - '\u336B': '\u0031\u0039\u70B9', - '\u336C': '\u0032\u0030\u70B9', - '\u336D': '\u0032\u0031\u70B9', - '\u336E': '\u0032\u0032\u70B9', - '\u336F': '\u0032\u0033\u70B9', - '\u3370': '\u0032\u0034\u70B9', - '\u33E0': '\u0031\u65E5', - '\u33E1': '\u0032\u65E5', - '\u33E2': '\u0033\u65E5', - '\u33E3': '\u0034\u65E5', - '\u33E4': '\u0035\u65E5', - '\u33E5': '\u0036\u65E5', - '\u33E6': '\u0037\u65E5', - '\u33E7': '\u0038\u65E5', - '\u33E8': '\u0039\u65E5', - '\u33E9': '\u0031\u0030\u65E5', - '\u33EA': '\u0031\u0031\u65E5', - '\u33EB': '\u0031\u0032\u65E5', - 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'\uFD3B': '\u0638\u0645', - '\uFD3C': '\u0627\u064B', - '\uFD3D': '\u0627\u064B', - '\uFD50': '\u062A\u062C\u0645', - '\uFD51': '\u062A\u062D\u062C', - '\uFD52': '\u062A\u062D\u062C', - '\uFD53': '\u062A\u062D\u0645', - '\uFD54': '\u062A\u062E\u0645', - '\uFD55': '\u062A\u0645\u062C', - '\uFD56': '\u062A\u0645\u062D', - '\uFD57': '\u062A\u0645\u062E', - '\uFD58': '\u062C\u0645\u062D', - '\uFD59': '\u062C\u0645\u062D', - '\uFD5A': '\u062D\u0645\u064A', - '\uFD5B': '\u062D\u0645\u0649', - '\uFD5C': '\u0633\u062D\u062C', - '\uFD5D': '\u0633\u062C\u062D', - '\uFD5E': '\u0633\u062C\u0649', - '\uFD5F': '\u0633\u0645\u062D', - '\uFD60': '\u0633\u0645\u062D', - '\uFD61': '\u0633\u0645\u062C', - '\uFD62': '\u0633\u0645\u0645', - '\uFD63': '\u0633\u0645\u0645', - '\uFD64': '\u0635\u062D\u062D', - '\uFD65': '\u0635\u062D\u062D', - '\uFD66': '\u0635\u0645\u0645', - '\uFD67': '\u0634\u062D\u0645', - '\uFD68': '\u0634\u062D\u0645', - '\uFD69': '\u0634\u062C\u064A', - '\uFD6A': '\u0634\u0645\u062E', - '\uFD6B': '\u0634\u0645\u062E', - '\uFD6C': '\u0634\u0645\u0645', - '\uFD6D': '\u0634\u0645\u0645', - '\uFD6E': '\u0636\u062D\u0649', - '\uFD6F': '\u0636\u062E\u0645', - '\uFD70': '\u0636\u062E\u0645', - '\uFD71': '\u0637\u0645\u062D', - '\uFD72': '\u0637\u0645\u062D', - '\uFD73': '\u0637\u0645\u0645', - '\uFD74': '\u0637\u0645\u064A', - '\uFD75': '\u0639\u062C\u0645', - '\uFD76': '\u0639\u0645\u0645', - '\uFD77': '\u0639\u0645\u0645', - '\uFD78': '\u0639\u0645\u0649', - '\uFD79': '\u063A\u0645\u0645', - '\uFD7A': '\u063A\u0645\u064A', - '\uFD7B': '\u063A\u0645\u0649', - '\uFD7C': '\u0641\u062E\u0645', - '\uFD7D': '\u0641\u062E\u0645', - '\uFD7E': '\u0642\u0645\u062D', - '\uFD7F': '\u0642\u0645\u0645', - '\uFD80': '\u0644\u062D\u0645', - '\uFD81': '\u0644\u062D\u064A', - '\uFD82': '\u0644\u062D\u0649', - '\uFD83': '\u0644\u062C\u062C', - '\uFD84': '\u0644\u062C\u062C', - '\uFD85': '\u0644\u062E\u0645', - '\uFD86': '\u0644\u062E\u0645', - '\uFD87': '\u0644\u0645\u062D', - '\uFD88': '\u0644\u0645\u062D', - '\uFD89': '\u0645\u062D\u062C', - '\uFD8A': '\u0645\u062D\u0645', - '\uFD8B': '\u0645\u062D\u064A', - '\uFD8C': '\u0645\u062C\u062D', - '\uFD8D': '\u0645\u062C\u0645', - '\uFD8E': '\u0645\u062E\u062C', - '\uFD8F': '\u0645\u062E\u0645', - '\uFD92': '\u0645\u062C\u062E', - '\uFD93': '\u0647\u0645\u062C', - '\uFD94': '\u0647\u0645\u0645', - '\uFD95': '\u0646\u062D\u0645', - '\uFD96': '\u0646\u062D\u0649', - '\uFD97': '\u0646\u062C\u0645', - '\uFD98': '\u0646\u062C\u0645', - '\uFD99': '\u0646\u062C\u0649', - '\uFD9A': '\u0646\u0645\u064A', - '\uFD9B': '\u0646\u0645\u0649', - '\uFD9C': '\u064A\u0645\u0645', - '\uFD9D': '\u064A\u0645\u0645', - '\uFD9E': '\u0628\u062E\u064A', - '\uFD9F': '\u062A\u062C\u064A', - '\uFDA0': '\u062A\u062C\u0649', - '\uFDA1': '\u062A\u062E\u064A', - '\uFDA2': '\u062A\u062E\u0649', - '\uFDA3': '\u062A\u0645\u064A', - '\uFDA4': '\u062A\u0645\u0649', - '\uFDA5': '\u062C\u0645\u064A', - '\uFDA6': '\u062C\u062D\u0649', - '\uFDA7': '\u062C\u0645\u0649', - '\uFDA8': '\u0633\u062E\u0649', - '\uFDA9': '\u0635\u062D\u064A', - '\uFDAA': '\u0634\u062D\u064A', - '\uFDAB': '\u0636\u062D\u064A', - '\uFDAC': '\u0644\u062C\u064A', - '\uFDAD': '\u0644\u0645\u064A', - '\uFDAE': '\u064A\u062D\u064A', - '\uFDAF': '\u064A\u062C\u064A', - '\uFDB0': '\u064A\u0645\u064A', - '\uFDB1': '\u0645\u0645\u064A', - '\uFDB2': '\u0642\u0645\u064A', - '\uFDB3': '\u0646\u062D\u064A', - '\uFDB4': '\u0642\u0645\u062D', - '\uFDB5': '\u0644\u062D\u0645', - '\uFDB6': '\u0639\u0645\u064A', - '\uFDB7': '\u0643\u0645\u064A', - '\uFDB8': '\u0646\u062C\u062D', - '\uFDB9': '\u0645\u062E\u064A', - '\uFDBA': '\u0644\u062C\u0645', - '\uFDBB': '\u0643\u0645\u0645', - '\uFDBC': '\u0644\u062C\u0645', - '\uFDBD': '\u0646\u062C\u062D', - '\uFDBE': '\u062C\u062D\u064A', - '\uFDBF': '\u062D\u062C\u064A', - '\uFDC0': '\u0645\u062C\u064A', - '\uFDC1': '\u0641\u0645\u064A', - '\uFDC2': '\u0628\u062D\u064A', - '\uFDC3': '\u0643\u0645\u0645', - '\uFDC4': '\u0639\u062C\u0645', - '\uFDC5': '\u0635\u0645\u0645', - '\uFDC6': '\u0633\u062E\u064A', - '\uFDC7': '\u0646\u062C\u064A', - '\uFE49': '\u203E', - '\uFE4A': '\u203E', - '\uFE4B': '\u203E', - '\uFE4C': '\u203E', - '\uFE4D': '\u005F', - '\uFE4E': '\u005F', - '\uFE4F': '\u005F', - '\uFE80': '\u0621', - '\uFE81': '\u0622', - '\uFE82': '\u0622', - '\uFE83': '\u0623', - '\uFE84': '\u0623', - '\uFE85': '\u0624', - '\uFE86': '\u0624', - '\uFE87': '\u0625', - '\uFE88': '\u0625', - '\uFE89': '\u0626', - '\uFE8A': '\u0626', - '\uFE8B': '\u0626', - '\uFE8C': '\u0626', - '\uFE8D': '\u0627', - '\uFE8E': '\u0627', - '\uFE8F': '\u0628', - '\uFE90': '\u0628', - '\uFE91': '\u0628', - '\uFE92': '\u0628', - '\uFE93': '\u0629', - '\uFE94': '\u0629', - '\uFE95': '\u062A', - '\uFE96': '\u062A', - '\uFE97': '\u062A', - '\uFE98': '\u062A', - '\uFE99': '\u062B', - '\uFE9A': '\u062B', - '\uFE9B': '\u062B', - '\uFE9C': '\u062B', - '\uFE9D': '\u062C', - '\uFE9E': '\u062C', - '\uFE9F': '\u062C', - '\uFEA0': '\u062C', - '\uFEA1': '\u062D', - '\uFEA2': '\u062D', - '\uFEA3': '\u062D', - '\uFEA4': '\u062D', - '\uFEA5': '\u062E', - '\uFEA6': '\u062E', - '\uFEA7': '\u062E', - '\uFEA8': '\u062E', - '\uFEA9': '\u062F', - '\uFEAA': '\u062F', - '\uFEAB': '\u0630', - '\uFEAC': '\u0630', - '\uFEAD': '\u0631', - '\uFEAE': '\u0631', - '\uFEAF': '\u0632', - '\uFEB0': '\u0632', - '\uFEB1': '\u0633', - '\uFEB2': '\u0633', - '\uFEB3': '\u0633', - '\uFEB4': '\u0633', - '\uFEB5': '\u0634', - '\uFEB6': '\u0634', - '\uFEB7': '\u0634', - '\uFEB8': '\u0634', - '\uFEB9': '\u0635', - '\uFEBA': '\u0635', - '\uFEBB': '\u0635', - '\uFEBC': '\u0635', - '\uFEBD': '\u0636', - '\uFEBE': '\u0636', - '\uFEBF': '\u0636', - '\uFEC0': '\u0636', - '\uFEC1': '\u0637', - '\uFEC2': '\u0637', - '\uFEC3': '\u0637', - '\uFEC4': '\u0637', - '\uFEC5': '\u0638', - '\uFEC6': '\u0638', - '\uFEC7': '\u0638', - '\uFEC8': '\u0638', - '\uFEC9': '\u0639', - '\uFECA': '\u0639', - '\uFECB': '\u0639', - '\uFECC': '\u0639', - '\uFECD': '\u063A', - '\uFECE': '\u063A', - '\uFECF': '\u063A', - '\uFED0': '\u063A', - '\uFED1': '\u0641', - '\uFED2': '\u0641', - '\uFED3': '\u0641', - '\uFED4': '\u0641', - '\uFED5': '\u0642', - '\uFED6': '\u0642', - '\uFED7': '\u0642', - '\uFED8': '\u0642', - '\uFED9': '\u0643', - '\uFEDA': '\u0643', - '\uFEDB': '\u0643', - '\uFEDC': '\u0643', - '\uFEDD': '\u0644', - '\uFEDE': '\u0644', - '\uFEDF': '\u0644', - '\uFEE0': '\u0644', - '\uFEE1': '\u0645', - '\uFEE2': '\u0645', - '\uFEE3': '\u0645', - '\uFEE4': '\u0645', - '\uFEE5': '\u0646', - '\uFEE6': '\u0646', - '\uFEE7': '\u0646', - '\uFEE8': '\u0646', - '\uFEE9': '\u0647', - '\uFEEA': '\u0647', - '\uFEEB': '\u0647', - '\uFEEC': '\u0647', - '\uFEED': '\u0648', - '\uFEEE': '\u0648', - '\uFEEF': '\u0649', - '\uFEF0': '\u0649', - '\uFEF1': '\u064A', - '\uFEF2': '\u064A', - '\uFEF3': '\u064A', - '\uFEF4': '\u064A', - '\uFEF5': '\u0644\u0622', - '\uFEF6': '\u0644\u0622', - '\uFEF7': '\u0644\u0623', - '\uFEF8': '\u0644\u0623', - '\uFEF9': '\u0644\u0625', - '\uFEFA': '\u0644\u0625', - '\uFEFB': '\u0644\u0627', - '\uFEFC': '\u0644\u0627' -}; - -function reverseIfRtl(chars) { - var charsLength = chars.length; - //reverse an arabic ligature - if (charsLength <= 1 || !isRTLRangeFor(chars.charCodeAt(0))) { - return chars; - } - var s = ''; - for (var ii = charsLength - 1; ii >= 0; ii--) { - s += chars[ii]; - } - return s; -} - -function adjustWidths(properties) { - if (properties.fontMatrix[0] === FONT_IDENTITY_MATRIX[0]) { - return; - } - // adjusting width to fontMatrix scale - var scale = 0.001 / properties.fontMatrix[0]; - var glyphsWidths = properties.widths; - for (var glyph in glyphsWidths) { - glyphsWidths[glyph] *= scale; - } - properties.defaultWidth *= scale; -} - -function getFontType(type, subtype) { - switch (type) { - case 'Type1': - return subtype === 'Type1C' ? FontType.TYPE1C : FontType.TYPE1; - case 'CIDFontType0': - return subtype === 'CIDFontType0C' ? FontType.CIDFONTTYPE0C : - FontType.CIDFONTTYPE0; - case 'OpenType': - return FontType.OPENTYPE; - case 'TrueType': - return FontType.TRUETYPE; - case 'CIDFontType2': - return FontType.CIDFONTTYPE2; - case 'MMType1': - return FontType.MMTYPE1; - case 'Type0': - return FontType.TYPE0; - default: - return FontType.UNKNOWN; - } -} - -var Glyph = (function GlyphClosure() { - function Glyph(fontChar, unicode, accent, width, vmetric, operatorListId) { - this.fontChar = fontChar; - this.unicode = unicode; - this.accent = accent; - this.width = width; - this.vmetric = vmetric; - this.operatorListId = operatorListId; - } - - Glyph.prototype.matchesForCache = - function(fontChar, unicode, accent, width, vmetric, operatorListId) { - return this.fontChar === fontChar && - this.unicode === unicode && - this.accent === accent && - this.width === width && - this.vmetric === vmetric && - this.operatorListId === operatorListId; - }; - - return Glyph; -})(); - -var ToUnicodeMap = (function ToUnicodeMapClosure() { - function ToUnicodeMap(cmap) { - // The elements of this._map can be integers or strings, depending on how - // |cmap| was created. - this._map = cmap; - } - - ToUnicodeMap.prototype = { - get length() { - return this._map.length; - }, - - forEach: function(callback) { - for (var charCode in this._map) { - callback(charCode, this._map[charCode].charCodeAt(0)); - } - }, - - get: function(i) { - return this._map[i]; - }, - - charCodeOf: function(v) { - return this._map.indexOf(v); - } - }; - - return ToUnicodeMap; -})(); - -var IdentityToUnicodeMap = (function IdentityToUnicodeMapClosure() { - function IdentityToUnicodeMap(firstChar, lastChar) { - this.firstChar = firstChar; - this.lastChar = lastChar; - } - - IdentityToUnicodeMap.prototype = { - get length() { - error('should not access .length'); - }, - - forEach: function (callback) { - for (var i = this.firstChar, ii = this.lastChar; i <= ii; i++) { - callback(i, i); - } - }, - - get: function (i) { - if (this.firstChar <= i && i <= this.lastChar) { - return String.fromCharCode(i); - } - return undefined; - }, - - charCodeOf: function (v) { - error('should not call .charCodeOf'); - } - }; - - return IdentityToUnicodeMap; -})(); - -var OpenTypeFileBuilder = (function OpenTypeFileBuilderClosure() { - function writeInt16(dest, offset, num) { - dest[offset] = (num >> 8) & 0xFF; - dest[offset + 1] = num & 0xFF; - } - - function writeInt32(dest, offset, num) { - dest[offset] = (num >> 24) & 0xFF; - dest[offset + 1] = (num >> 16) & 0xFF; - dest[offset + 2] = (num >> 8) & 0xFF; - dest[offset + 3] = num & 0xFF; - } - - function writeData(dest, offset, data) { - var i, ii; - if (data instanceof Uint8Array) { - dest.set(data, offset); - } else if (typeof data === 'string') { - for (i = 0, ii = data.length; i < ii; i++) { - dest[offset++] = data.charCodeAt(i) & 0xFF; - } - } else { - // treating everything else as array - for (i = 0, ii = data.length; i < ii; i++) { - dest[offset++] = data[i] & 0xFF; - } - } - } - - function OpenTypeFileBuilder(sfnt) { - this.sfnt = sfnt; - this.tables = Object.create(null); - } - - OpenTypeFileBuilder.getSearchParams = - function OpenTypeFileBuilder_getSearchParams(entriesCount, entrySize) { - var maxPower2 = 1, log2 = 0; - while ((maxPower2 ^ entriesCount) > maxPower2) { - maxPower2 <<= 1; - log2++; - } - var searchRange = maxPower2 * entrySize; - return { - range: searchRange, - entry: log2, - rangeShift: entrySize * entriesCount - searchRange - }; - }; - - var OTF_HEADER_SIZE = 12; - var OTF_TABLE_ENTRY_SIZE = 16; - - OpenTypeFileBuilder.prototype = { - toArray: function OpenTypeFileBuilder_toArray() { - var sfnt = this.sfnt; - - // Tables needs to be written by ascendant alphabetic order - var tables = this.tables; - var tablesNames = Object.keys(tables); - tablesNames.sort(); - var numTables = tablesNames.length; - - var i, j, jj, table, tableName; - // layout the tables data - var offset = OTF_HEADER_SIZE + numTables * OTF_TABLE_ENTRY_SIZE; - var tableOffsets = [offset]; - for (i = 0; i < numTables; i++) { - table = tables[tablesNames[i]]; - var paddedLength = ((table.length + 3) & ~3) >>> 0; - offset += paddedLength; - tableOffsets.push(offset); - } - - var file = new Uint8Array(offset); - // write the table data first (mostly for checksum) - for (i = 0; i < numTables; i++) { - table = tables[tablesNames[i]]; - writeData(file, tableOffsets[i], table); - } - - // sfnt version (4 bytes) - if (sfnt === 'true') { - // Windows hates the Mac TrueType sfnt version number - sfnt = string32(0x00010000); - } - file[0] = sfnt.charCodeAt(0) & 0xFF; - file[1] = sfnt.charCodeAt(1) & 0xFF; - file[2] = sfnt.charCodeAt(2) & 0xFF; - file[3] = sfnt.charCodeAt(3) & 0xFF; - - // numTables (2 bytes) - writeInt16(file, 4, numTables); - - var searchParams = OpenTypeFileBuilder.getSearchParams(numTables, 16); - - // searchRange (2 bytes) - writeInt16(file, 6, searchParams.range); - // entrySelector (2 bytes) - writeInt16(file, 8, searchParams.entry); - // rangeShift (2 bytes) - writeInt16(file, 10, searchParams.rangeShift); - - offset = OTF_HEADER_SIZE; - // writing table entries - for (i = 0; i < numTables; i++) { - tableName = tablesNames[i]; - file[offset] = tableName.charCodeAt(0) & 0xFF; - file[offset + 1] = tableName.charCodeAt(1) & 0xFF; - file[offset + 2] = tableName.charCodeAt(2) & 0xFF; - file[offset + 3] = tableName.charCodeAt(3) & 0xFF; - - // checksum - var checksum = 0; - for (j = tableOffsets[i], jj = tableOffsets[i + 1]; j < jj; j += 4) { - var quad = (file[j] << 24) + (file[j + 1] << 16) + - (file[j + 2] << 8) + file[j + 3]; - checksum = (checksum + quad) | 0; - } - writeInt32(file, offset + 4, checksum); - - // offset - writeInt32(file, offset + 8, tableOffsets[i]); - // length - writeInt32(file, offset + 12, tables[tableName].length); - - offset += OTF_TABLE_ENTRY_SIZE; - } - return file; - }, - - addTable: function OpenTypeFileBuilder_addTable(tag, data) { - if (tag in this.tables) { - throw new Error('Table ' + tag + ' already exists'); - } - this.tables[tag] = data; - } - }; - - return OpenTypeFileBuilder; -})(); - -/** - * 'Font' is the class the outside world should use, it encapsulate all the font - * decoding logics whatever type it is (assuming the font type is supported). - * - * For example to read a Type1 font and to attach it to the document: - * var type1Font = new Font("MyFontName", binaryFile, propertiesObject); - * type1Font.bind(); - */ -var Font = (function FontClosure() { - function Font(name, file, properties) { - var charCode, glyphName, fontChar; - - this.name = name; - this.loadedName = properties.loadedName; - this.isType3Font = properties.isType3Font; - this.sizes = []; - - this.glyphCache = {}; - - var names = name.split('+'); - names = names.length > 1 ? names[1] : names[0]; - names = names.split(/[-,_]/g)[0]; - this.isSerifFont = !!(properties.flags & FontFlags.Serif); - this.isSymbolicFont = !!(properties.flags & FontFlags.Symbolic); - this.isMonospace = !!(properties.flags & FontFlags.FixedPitch); - - var type = properties.type; - var subtype = properties.subtype; - this.type = type; - - this.fallbackName = (this.isMonospace ? 'monospace' : - (this.isSerifFont ? 'serif' : 'sans-serif')); - - this.differences = properties.differences; - this.widths = properties.widths; - this.defaultWidth = properties.defaultWidth; - this.composite = properties.composite; - this.wideChars = properties.wideChars; - this.cMap = properties.cMap; - this.ascent = properties.ascent / PDF_GLYPH_SPACE_UNITS; - this.descent = properties.descent / PDF_GLYPH_SPACE_UNITS; - this.fontMatrix = properties.fontMatrix; - - this.toUnicode = properties.toUnicode = this.buildToUnicode(properties); - - this.toFontChar = []; - - if (properties.type === 'Type3') { - for (charCode = 0; charCode < 256; charCode++) { - this.toFontChar[charCode] = (this.differences[charCode] || - properties.defaultEncoding[charCode]); - } - this.fontType = FontType.TYPE3; - return; - } - - this.cidEncoding = properties.cidEncoding; - this.vertical = properties.vertical; - if (this.vertical) { - this.vmetrics = properties.vmetrics; - this.defaultVMetrics = properties.defaultVMetrics; - } - - if (!file || file.isEmpty) { - if (file) { - // Some bad PDF generators will include empty font files, - // attempting to recover by assuming that no file exists. - warn('Font file is empty in "' + name + '" (' + this.loadedName + ')'); - } - - this.missingFile = true; - // The file data is not specified. Trying to fix the font name - // to be used with the canvas.font. - var fontName = name.replace(/[,_]/g, '-'); - var isStandardFont = fontName in stdFontMap; - fontName = stdFontMap[fontName] || nonStdFontMap[fontName] || fontName; - - this.bold = (fontName.search(/bold/gi) !== -1); - this.italic = ((fontName.search(/oblique/gi) !== -1) || - (fontName.search(/italic/gi) !== -1)); - - // Use 'name' instead of 'fontName' here because the original - // name ArialBlack for example will be replaced by Helvetica. - this.black = (name.search(/Black/g) !== -1); - - // if at least one width is present, remeasure all chars when exists - this.remeasure = Object.keys(this.widths).length > 0; - if (isStandardFont && type === 'CIDFontType2' && - properties.cidEncoding.indexOf('Identity-') === 0) { - // Standard fonts might be embedded as CID font without glyph mapping. - // Building one based on GlyphMapForStandardFonts. - var map = []; - for (var code in GlyphMapForStandardFonts) { - map[+code] = GlyphMapForStandardFonts[code]; - } - var isIdentityUnicode = this.toUnicode instanceof IdentityToUnicodeMap; - if (!isIdentityUnicode) { - this.toUnicode.forEach(function(charCode, unicodeCharCode) { - map[+charCode] = unicodeCharCode; - }); - } - this.toFontChar = map; - this.toUnicode = new ToUnicodeMap(map); - } else if (/Symbol/i.test(fontName)) { - var symbols = Encodings.SymbolSetEncoding; - for (charCode in symbols) { - fontChar = GlyphsUnicode[symbols[charCode]]; - if (!fontChar) { - continue; - } - this.toFontChar[charCode] = fontChar; - } - for (charCode in properties.differences) { - fontChar = GlyphsUnicode[properties.differences[charCode]]; - if (!fontChar) { - continue; - } - this.toFontChar[charCode] = fontChar; - } - } else if (/Dingbats/i.test(fontName)) { - var dingbats = Encodings.ZapfDingbatsEncoding; - for (charCode in dingbats) { - fontChar = DingbatsGlyphsUnicode[dingbats[charCode]]; - if (!fontChar) { - continue; - } - this.toFontChar[charCode] = fontChar; - } - for (charCode in properties.differences) { - fontChar = DingbatsGlyphsUnicode[properties.differences[charCode]]; - if (!fontChar) { - continue; - } - this.toFontChar[charCode] = fontChar; - } - } else if (isStandardFont) { - this.toFontChar = []; - for (charCode in properties.defaultEncoding) { - glyphName = (properties.differences[charCode] || - properties.defaultEncoding[charCode]); - this.toFontChar[charCode] = GlyphsUnicode[glyphName]; - } - } else { - var unicodeCharCode, notCidFont = (type.indexOf('CIDFontType') === -1); - this.toUnicode.forEach(function(charCode, unicodeCharCode) { - if (notCidFont) { - glyphName = (properties.differences[charCode] || - properties.defaultEncoding[charCode]); - unicodeCharCode = (GlyphsUnicode[glyphName] || unicodeCharCode); - } - this.toFontChar[charCode] = unicodeCharCode; - }.bind(this)); - } - this.loadedName = fontName.split('-')[0]; - this.loading = false; - this.fontType = getFontType(type, subtype); - return; - } - - // Some fonts might use wrong font types for Type1C or CIDFontType0C - if (subtype === 'Type1C' && (type !== 'Type1' && type !== 'MMType1')) { - // Some TrueType fonts by mistake claim Type1C - if (isTrueTypeFile(file)) { - subtype = 'TrueType'; - } else { - type = 'Type1'; - } - } - if (subtype === 'CIDFontType0C' && type !== 'CIDFontType0') { - type = 'CIDFontType0'; - } - // XXX: Temporarily change the type for open type so we trigger a warning. - // This should be removed when we add support for open type. - if (subtype === 'OpenType') { - type = 'OpenType'; - } - - var data; - switch (type) { - case 'MMType1': - info('MMType1 font (' + name + '), falling back to Type1.'); - /* falls through */ - case 'Type1': - case 'CIDFontType0': - this.mimetype = 'font/opentype'; - - var cff = (subtype === 'Type1C' || subtype === 'CIDFontType0C') ? - new CFFFont(file, properties) : new Type1Font(name, file, properties); - - adjustWidths(properties); - - // Wrap the CFF data inside an OTF font file - data = this.convert(name, cff, properties); - break; - - case 'OpenType': - case 'TrueType': - case 'CIDFontType2': - this.mimetype = 'font/opentype'; - - // Repair the TrueType file. It is can be damaged in the point of - // view of the sanitizer - data = this.checkAndRepair(name, file, properties); - if (this.isOpenType) { - type = 'OpenType'; - } - break; - - default: - error('Font ' + type + ' is not supported'); - break; - } - - this.data = data; - this.fontType = getFontType(type, subtype); - - // Transfer some properties again that could change during font conversion - this.fontMatrix = properties.fontMatrix; - this.widths = properties.widths; - this.defaultWidth = properties.defaultWidth; - this.encoding = properties.baseEncoding; - this.seacMap = properties.seacMap; - - this.loading = true; - } - - Font.getFontID = (function () { - var ID = 1; - return function Font_getFontID() { - return String(ID++); - }; - })(); - - function int16(b0, b1) { - return (b0 << 8) + b1; - } - - function int32(b0, b1, b2, b3) { - return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; - } - - function string16(value) { - return String.fromCharCode((value >> 8) & 0xff, value & 0xff); - } - - function safeString16(value) { - // clamp value to the 16-bit int range - value = (value > 0x7FFF ? 0x7FFF : (value < -0x8000 ? -0x8000 : value)); - return String.fromCharCode((value >> 8) & 0xff, value & 0xff); - } - - function isTrueTypeFile(file) { - var header = file.peekBytes(4); - return readUint32(header, 0) === 0x00010000; - } - - /** - * Rebuilds the char code to glyph ID map by trying to replace the char codes - * with their unicode value. It also moves char codes that are in known - * problematic locations. - * @return {Object} Two properties: - * 'toFontChar' - maps original char codes(the value that will be read - * from commands such as show text) to the char codes that will be used in the - * font that we build - * 'charCodeToGlyphId' - maps the new font char codes to glyph ids - */ - function adjustMapping(charCodeToGlyphId, properties) { - var toUnicode = properties.toUnicode; - var isSymbolic = !!(properties.flags & FontFlags.Symbolic); - var isIdentityUnicode = - properties.toUnicode instanceof IdentityToUnicodeMap; - var isCidFontType2 = (properties.type === 'CIDFontType2'); - var newMap = Object.create(null); - var toFontChar = []; - var usedFontCharCodes = []; - var nextAvailableFontCharCode = PRIVATE_USE_OFFSET_START; - for (var originalCharCode in charCodeToGlyphId) { - originalCharCode |= 0; - var glyphId = charCodeToGlyphId[originalCharCode]; - var fontCharCode = originalCharCode; - // First try to map the value to a unicode position if a non identity map - // was created. - if (!isIdentityUnicode) { - if (toUnicode.get(originalCharCode) !== undefined) { - var unicode = toUnicode.get(fontCharCode); - // TODO: Try to map ligatures to the correct spot. - if (unicode.length === 1) { - fontCharCode = unicode.charCodeAt(0); - } - } else if (isCidFontType2) { - // For CIDFontType2, move characters not present in toUnicode - // to the private use area (fixes bug 1028735 and issue 4881). - fontCharCode = nextAvailableFontCharCode; - } - } - // Try to move control characters, special characters and already mapped - // characters to the private use area since they will not be drawn by - // canvas if left in their current position. Also, move characters if the - // font was symbolic and there is only an identity unicode map since the - // characters probably aren't in the correct position (fixes an issue - // with firefox and thuluthfont). - if ((usedFontCharCodes[fontCharCode] !== undefined || - fontCharCode <= 0x1f || // Control chars - fontCharCode === 0x7F || // Control char - fontCharCode === 0xAD || // Soft hyphen - (fontCharCode >= 0x80 && fontCharCode <= 0x9F) || // Control chars - // Prevent drawing characters in the specials unicode block. - (fontCharCode >= 0xFFF0 && fontCharCode <= 0xFFFF) || - (isSymbolic && isIdentityUnicode)) && - nextAvailableFontCharCode <= PRIVATE_USE_OFFSET_END) { // Room left. - // Loop to try and find a free spot in the private use area. - do { - fontCharCode = nextAvailableFontCharCode++; - - if (SKIP_PRIVATE_USE_RANGE_F000_TO_F01F && fontCharCode === 0xF000) { - fontCharCode = 0xF020; - nextAvailableFontCharCode = fontCharCode + 1; - } - - } while (usedFontCharCodes[fontCharCode] !== undefined && - nextAvailableFontCharCode <= PRIVATE_USE_OFFSET_END); - } - - newMap[fontCharCode] = glyphId; - toFontChar[originalCharCode] = fontCharCode; - usedFontCharCodes[fontCharCode] = true; - } - return { - toFontChar: toFontChar, - charCodeToGlyphId: newMap, - nextAvailableFontCharCode: nextAvailableFontCharCode - }; - } - - function getRanges(glyphs) { - // Array.sort() sorts by characters, not numerically, so convert to an - // array of characters. - var codes = []; - for (var charCode in glyphs) { - codes.push({ fontCharCode: charCode | 0, glyphId: glyphs[charCode] }); - } - codes.sort(function fontGetRangesSort(a, b) { - return a.fontCharCode - b.fontCharCode; - }); - - // Split the sorted codes into ranges. - var ranges = []; - var length = codes.length; - for (var n = 0; n < length; ) { - var start = codes[n].fontCharCode; - var codeIndices = [codes[n].glyphId]; - ++n; - var end = start; - while (n < length && end + 1 === codes[n].fontCharCode) { - codeIndices.push(codes[n].glyphId); - ++end; - ++n; - if (end === 0xFFFF) { - break; - } - } - ranges.push([start, end, codeIndices]); - } - - return ranges; - } - - function createCmapTable(glyphs) { - var ranges = getRanges(glyphs); - var numTables = ranges[ranges.length - 1][1] > 0xFFFF ? 2 : 1; - var cmap = '\x00\x00' + // version - string16(numTables) + // numTables - '\x00\x03' + // platformID - '\x00\x01' + // encodingID - string32(4 + numTables * 8); // start of the table record - - var i, ii, j, jj; - for (i = ranges.length - 1; i >= 0; --i) { - if (ranges[i][0] <= 0xFFFF) { break; } - } - var bmpLength = i + 1; - - if (ranges[i][0] < 0xFFFF && ranges[i][1] === 0xFFFF) { - ranges[i][1] = 0xFFFE; - } - var trailingRangesCount = ranges[i][1] < 0xFFFF ? 1 : 0; - var segCount = bmpLength + trailingRangesCount; - var searchParams = OpenTypeFileBuilder.getSearchParams(segCount, 2); - - // Fill up the 4 parallel arrays describing the segments. - var startCount = ''; - var endCount = ''; - var idDeltas = ''; - var idRangeOffsets = ''; - var glyphsIds = ''; - var bias = 0; - - var range, start, end, codes; - for (i = 0, ii = bmpLength; i < ii; i++) { - range = ranges[i]; - start = range[0]; - end = range[1]; - startCount += string16(start); - endCount += string16(end); - codes = range[2]; - var contiguous = true; - for (j = 1, jj = codes.length; j < jj; ++j) { - if (codes[j] !== codes[j - 1] + 1) { - contiguous = false; - break; - } - } - if (!contiguous) { - var offset = (segCount - i) * 2 + bias * 2; - bias += (end - start + 1); - - idDeltas += string16(0); - idRangeOffsets += string16(offset); - - for (j = 0, jj = codes.length; j < jj; ++j) { - glyphsIds += string16(codes[j]); - } - } else { - var startCode = codes[0]; - - idDeltas += string16((startCode - start) & 0xFFFF); - idRangeOffsets += string16(0); - } - } - - if (trailingRangesCount > 0) { - endCount += '\xFF\xFF'; - startCount += '\xFF\xFF'; - idDeltas += '\x00\x01'; - idRangeOffsets += '\x00\x00'; - } - - var format314 = '\x00\x00' + // language - string16(2 * segCount) + - string16(searchParams.range) + - string16(searchParams.entry) + - string16(searchParams.rangeShift) + - endCount + '\x00\x00' + startCount + - idDeltas + idRangeOffsets + glyphsIds; - - var format31012 = ''; - var header31012 = ''; - if (numTables > 1) { - cmap += '\x00\x03' + // platformID - '\x00\x0A' + // encodingID - string32(4 + numTables * 8 + - 4 + format314.length); // start of the table record - format31012 = ''; - for (i = 0, ii = ranges.length; i < ii; i++) { - range = ranges[i]; - start = range[0]; - codes = range[2]; - var code = codes[0]; - for (j = 1, jj = codes.length; j < jj; ++j) { - if (codes[j] !== codes[j - 1] + 1) { - end = range[0] + j - 1; - format31012 += string32(start) + // startCharCode - string32(end) + // endCharCode - string32(code); // startGlyphID - start = end + 1; - code = codes[j]; - } - } - format31012 += string32(start) + // startCharCode - string32(range[1]) + // endCharCode - string32(code); // startGlyphID - } - header31012 = '\x00\x0C' + // format - '\x00\x00' + // reserved - string32(format31012.length + 16) + // length - '\x00\x00\x00\x00' + // language - string32(format31012.length / 12); // nGroups - } - - return cmap + '\x00\x04' + // format - string16(format314.length + 4) + // length - format314 + header31012 + format31012; - } - - function validateOS2Table(os2) { - var stream = new Stream(os2.data); - var version = stream.getUint16(); - // TODO verify all OS/2 tables fields, but currently we validate only those - // that give us issues - stream.getBytes(60); // skipping type, misc sizes, panose, unicode ranges - var selection = stream.getUint16(); - if (version < 4 && (selection & 0x0300)) { - return false; - } - var firstChar = stream.getUint16(); - var lastChar = stream.getUint16(); - if (firstChar > lastChar) { - return false; - } - stream.getBytes(6); // skipping sTypoAscender/Descender/LineGap - var usWinAscent = stream.getUint16(); - if (usWinAscent === 0) { // makes font unreadable by windows - return false; - } - - // OS/2 appears to be valid, resetting some fields - os2.data[8] = os2.data[9] = 0; // IE rejects fonts if fsType != 0 - return true; - } - - function createOS2Table(properties, charstrings, override) { - override = override || { - unitsPerEm: 0, - yMax: 0, - yMin: 0, - ascent: 0, - descent: 0 - }; - - var ulUnicodeRange1 = 0; - var ulUnicodeRange2 = 0; - var ulUnicodeRange3 = 0; - var ulUnicodeRange4 = 0; - - var firstCharIndex = null; - var lastCharIndex = 0; - - if (charstrings) { - for (var code in charstrings) { - code |= 0; - if (firstCharIndex > code || !firstCharIndex) { - firstCharIndex = code; - } - if (lastCharIndex < code) { - lastCharIndex = code; - } - - var position = getUnicodeRangeFor(code); - if (position < 32) { - ulUnicodeRange1 |= 1 << position; - } else if (position < 64) { - ulUnicodeRange2 |= 1 << position - 32; - } else if (position < 96) { - ulUnicodeRange3 |= 1 << position - 64; - } else if (position < 123) { - ulUnicodeRange4 |= 1 << position - 96; - } else { - error('Unicode ranges Bits > 123 are reserved for internal usage'); - } - } - } else { - // TODO - firstCharIndex = 0; - lastCharIndex = 255; - } - - var bbox = properties.bbox || [0, 0, 0, 0]; - var unitsPerEm = (override.unitsPerEm || - 1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0]); - - // if the font units differ to the PDF glyph space units - // then scale up the values - var scale = (properties.ascentScaled ? 1.0 : - unitsPerEm / PDF_GLYPH_SPACE_UNITS); - - var typoAscent = (override.ascent || - Math.round(scale * (properties.ascent || bbox[3]))); - var typoDescent = (override.descent || - Math.round(scale * (properties.descent || bbox[1]))); - if (typoDescent > 0 && properties.descent > 0 && bbox[1] < 0) { - typoDescent = -typoDescent; // fixing incorrect descent - } - var winAscent = override.yMax || typoAscent; - var winDescent = -override.yMin || -typoDescent; - - return '\x00\x03' + // version - '\x02\x24' + // xAvgCharWidth - '\x01\xF4' + // usWeightClass - '\x00\x05' + // usWidthClass - '\x00\x00' + // fstype (0 to let the font loads via font-face on IE) - '\x02\x8A' + // ySubscriptXSize - '\x02\xBB' + // ySubscriptYSize - '\x00\x00' + // ySubscriptXOffset - '\x00\x8C' + // ySubscriptYOffset - '\x02\x8A' + // ySuperScriptXSize - '\x02\xBB' + // ySuperScriptYSize - '\x00\x00' + // ySuperScriptXOffset - '\x01\xDF' + // ySuperScriptYOffset - '\x00\x31' + // yStrikeOutSize - '\x01\x02' + // yStrikeOutPosition - '\x00\x00' + // sFamilyClass - '\x00\x00\x06' + - String.fromCharCode(properties.fixedPitch ? 0x09 : 0x00) + - '\x00\x00\x00\x00\x00\x00' + // Panose - string32(ulUnicodeRange1) + // ulUnicodeRange1 (Bits 0-31) - string32(ulUnicodeRange2) + // ulUnicodeRange2 (Bits 32-63) - string32(ulUnicodeRange3) + // ulUnicodeRange3 (Bits 64-95) - string32(ulUnicodeRange4) + // ulUnicodeRange4 (Bits 96-127) - '\x2A\x32\x31\x2A' + // achVendID - string16(properties.italicAngle ? 1 : 0) + // fsSelection - string16(firstCharIndex || - properties.firstChar) + // usFirstCharIndex - string16(lastCharIndex || properties.lastChar) + // usLastCharIndex - string16(typoAscent) + // sTypoAscender - string16(typoDescent) + // sTypoDescender - '\x00\x64' + // sTypoLineGap (7%-10% of the unitsPerEM value) - string16(winAscent) + // usWinAscent - string16(winDescent) + // usWinDescent - '\x00\x00\x00\x00' + // ulCodePageRange1 (Bits 0-31) - '\x00\x00\x00\x00' + // ulCodePageRange2 (Bits 32-63) - string16(properties.xHeight) + // sxHeight - string16(properties.capHeight) + // sCapHeight - string16(0) + // usDefaultChar - string16(firstCharIndex || properties.firstChar) + // usBreakChar - '\x00\x03'; // usMaxContext - } - - function createPostTable(properties) { - var angle = Math.floor(properties.italicAngle * (Math.pow(2, 16))); - return ('\x00\x03\x00\x00' + // Version number - string32(angle) + // italicAngle - '\x00\x00' + // underlinePosition - '\x00\x00' + // underlineThickness - string32(properties.fixedPitch) + // isFixedPitch - '\x00\x00\x00\x00' + // minMemType42 - '\x00\x00\x00\x00' + // maxMemType42 - '\x00\x00\x00\x00' + // minMemType1 - '\x00\x00\x00\x00'); // maxMemType1 - } - - function createNameTable(name, proto) { - if (!proto) { - proto = [[], []]; // no strings and unicode strings - } - - var strings = [ - proto[0][0] || 'Original licence', // 0.Copyright - proto[0][1] || name, // 1.Font family - proto[0][2] || 'Unknown', // 2.Font subfamily (font weight) - proto[0][3] || 'uniqueID', // 3.Unique ID - proto[0][4] || name, // 4.Full font name - proto[0][5] || 'Version 0.11', // 5.Version - proto[0][6] || '', // 6.Postscript name - proto[0][7] || 'Unknown', // 7.Trademark - proto[0][8] || 'Unknown', // 8.Manufacturer - proto[0][9] || 'Unknown' // 9.Designer - ]; - - // Mac want 1-byte per character strings while Windows want - // 2-bytes per character, so duplicate the names table - var stringsUnicode = []; - var i, ii, j, jj, str; - for (i = 0, ii = strings.length; i < ii; i++) { - str = proto[1][i] || strings[i]; - - var strBufUnicode = []; - for (j = 0, jj = str.length; j < jj; j++) { - strBufUnicode.push(string16(str.charCodeAt(j))); - } - stringsUnicode.push(strBufUnicode.join('')); - } - - var names = [strings, stringsUnicode]; - var platforms = ['\x00\x01', '\x00\x03']; - var encodings = ['\x00\x00', '\x00\x01']; - var languages = ['\x00\x00', '\x04\x09']; - - var namesRecordCount = strings.length * platforms.length; - var nameTable = - '\x00\x00' + // format - string16(namesRecordCount) + // Number of names Record - string16(namesRecordCount * 12 + 6); // Storage - - // Build the name records field - var strOffset = 0; - for (i = 0, ii = platforms.length; i < ii; i++) { - var strs = names[i]; - for (j = 0, jj = strs.length; j < jj; j++) { - str = strs[j]; - var nameRecord = - platforms[i] + // platform ID - encodings[i] + // encoding ID - languages[i] + // language ID - string16(j) + // name ID - string16(str.length) + - string16(strOffset); - nameTable += nameRecord; - strOffset += str.length; - } - } - - nameTable += strings.join('') + stringsUnicode.join(''); - return nameTable; - } - - Font.prototype = { - name: null, - font: null, - mimetype: null, - encoding: null, - get renderer() { - var renderer = FontRendererFactory.create(this); - return shadow(this, 'renderer', renderer); - }, - - exportData: function Font_exportData() { - var data = {}; - for (var i in this) { - if (this.hasOwnProperty(i)) { - data[i] = this[i]; - } - } - return data; - }, - - checkAndRepair: function Font_checkAndRepair(name, font, properties) { - function readTableEntry(file) { - var tag = bytesToString(file.getBytes(4)); - - var checksum = file.getInt32(); - var offset = file.getInt32() >>> 0; - var length = file.getInt32() >>> 0; - - // Read the table associated data - var previousPosition = file.pos; - file.pos = file.start ? file.start : 0; - file.skip(offset); - var data = file.getBytes(length); - file.pos = previousPosition; - - if (tag === 'head') { - // clearing checksum adjustment - data[8] = data[9] = data[10] = data[11] = 0; - data[17] |= 0x20; //Set font optimized for cleartype flag - } - - return { - tag: tag, - checksum: checksum, - length: length, - offset: offset, - data: data - }; - } - - function readOpenTypeHeader(ttf) { - return { - version: bytesToString(ttf.getBytes(4)), - numTables: ttf.getUint16(), - searchRange: ttf.getUint16(), - entrySelector: ttf.getUint16(), - rangeShift: ttf.getUint16() - }; - } - - /** - * Read the appropriate subtable from the cmap according to 9.6.6.4 from - * PDF spec - */ - function readCmapTable(cmap, font, isSymbolicFont) { - var segment; - var start = (font.start ? font.start : 0) + cmap.offset; - font.pos = start; - - var version = font.getUint16(); - var numTables = font.getUint16(); - - var potentialTable; - var canBreak = false; - // There's an order of preference in terms of which cmap subtable to - // use: - // - non-symbolic fonts the preference is a 3,1 table then a 1,0 table - // - symbolic fonts the preference is a 3,0 table then a 1,0 table - // The following takes advantage of the fact that the tables are sorted - // to work. - for (var i = 0; i < numTables; i++) { - var platformId = font.getUint16(); - var encodingId = font.getUint16(); - var offset = font.getInt32() >>> 0; - var useTable = false; - - if (platformId === 1 && encodingId === 0) { - useTable = true; - // Continue the loop since there still may be a higher priority - // table. - } else if (!isSymbolicFont && platformId === 3 && encodingId === 1) { - useTable = true; - canBreak = true; - } else if (isSymbolicFont && platformId === 3 && encodingId === 0) { - useTable = true; - canBreak = true; - } - - if (useTable) { - potentialTable = { - platformId: platformId, - encodingId: encodingId, - offset: offset - }; - } - if (canBreak) { - break; - } - } - - if (!potentialTable) { - warn('Could not find a preferred cmap table.'); - return { - platformId: -1, - encodingId: -1, - mappings: [], - hasShortCmap: false - }; - } - - font.pos = start + potentialTable.offset; - var format = font.getUint16(); - var length = font.getUint16(); - var language = font.getUint16(); - - var hasShortCmap = false; - var mappings = []; - var j, glyphId; - - // TODO(mack): refactor this cmap subtable reading logic out - if (format === 0) { - for (j = 0; j < 256; j++) { - var index = font.getByte(); - if (!index) { - continue; - } - mappings.push({ - charCode: j, - glyphId: index - }); - } - hasShortCmap = true; - } else if (format === 4) { - // re-creating the table in format 4 since the encoding - // might be changed - var segCount = (font.getUint16() >> 1); - font.getBytes(6); // skipping range fields - var segIndex, segments = []; - for (segIndex = 0; segIndex < segCount; segIndex++) { - segments.push({ end: font.getUint16() }); - } - font.getUint16(); - for (segIndex = 0; segIndex < segCount; segIndex++) { - segments[segIndex].start = font.getUint16(); - } - - for (segIndex = 0; segIndex < segCount; segIndex++) { - segments[segIndex].delta = font.getUint16(); - } - - var offsetsCount = 0; - for (segIndex = 0; segIndex < segCount; segIndex++) { - segment = segments[segIndex]; - var rangeOffset = font.getUint16(); - if (!rangeOffset) { - segment.offsetIndex = -1; - continue; - } - - var offsetIndex = (rangeOffset >> 1) - (segCount - segIndex); - segment.offsetIndex = offsetIndex; - offsetsCount = Math.max(offsetsCount, offsetIndex + - segment.end - segment.start + 1); - } - - var offsets = []; - for (j = 0; j < offsetsCount; j++) { - offsets.push(font.getUint16()); - } - - for (segIndex = 0; segIndex < segCount; segIndex++) { - segment = segments[segIndex]; - start = segment.start; - var end = segment.end; - var delta = segment.delta; - offsetIndex = segment.offsetIndex; - - for (j = start; j <= end; j++) { - if (j === 0xFFFF) { - continue; - } - - glyphId = (offsetIndex < 0 ? - j : offsets[offsetIndex + j - start]); - glyphId = (glyphId + delta) & 0xFFFF; - if (glyphId === 0) { - continue; - } - mappings.push({ - charCode: j, - glyphId: glyphId - }); - } - } - } else if (format === 6) { - // Format 6 is a 2-bytes dense mapping, which means the font data - // lives glue together even if they are pretty far in the unicode - // table. (This looks weird, so I can have missed something), this - // works on Linux but seems to fails on Mac so let's rewrite the - // cmap table to a 3-1-4 style - var firstCode = font.getUint16(); - var entryCount = font.getUint16(); - - for (j = 0; j < entryCount; j++) { - glyphId = font.getUint16(); - var charCode = firstCode + j; - - mappings.push({ - charCode: charCode, - glyphId: glyphId - }); - } - } else { - error('cmap table has unsupported format: ' + format); - } - - // removing duplicate entries - mappings.sort(function (a, b) { - return a.charCode - b.charCode; - }); - for (i = 1; i < mappings.length; i++) { - if (mappings[i - 1].charCode === mappings[i].charCode) { - mappings.splice(i, 1); - i--; - } - } - - return { - platformId: potentialTable.platformId, - encodingId: potentialTable.encodingId, - mappings: mappings, - hasShortCmap: hasShortCmap - }; - } - - function sanitizeMetrics(font, header, metrics, numGlyphs) { - if (!header) { - if (metrics) { - metrics.data = null; - } - return; - } - - font.pos = (font.start ? font.start : 0) + header.offset; - font.pos += header.length - 2; - var numOfMetrics = font.getUint16(); - - if (numOfMetrics > numGlyphs) { - info('The numOfMetrics (' + numOfMetrics + ') should not be ' + - 'greater than the numGlyphs (' + numGlyphs + ')'); - // Reduce numOfMetrics if it is greater than numGlyphs - numOfMetrics = numGlyphs; - header.data[34] = (numOfMetrics & 0xff00) >> 8; - header.data[35] = numOfMetrics & 0x00ff; - } - - var numOfSidebearings = numGlyphs - numOfMetrics; - var numMissing = numOfSidebearings - - ((metrics.length - numOfMetrics * 4) >> 1); - - if (numMissing > 0) { - // For each missing glyph, we set both the width and lsb to 0 (zero). - // Since we need to add two properties for each glyph, this explains - // the use of |numMissing * 2| when initializing the typed array. - var entries = new Uint8Array(metrics.length + numMissing * 2); - entries.set(metrics.data); - metrics.data = entries; - } - } - - function sanitizeGlyph(source, sourceStart, sourceEnd, dest, destStart, - hintsValid) { - if (sourceEnd - sourceStart <= 12) { - // glyph with data less than 12 is invalid one - return 0; - } - var glyf = source.subarray(sourceStart, sourceEnd); - var contoursCount = (glyf[0] << 8) | glyf[1]; - if (contoursCount & 0x8000) { - // complex glyph, writing as is - dest.set(glyf, destStart); - return glyf.length; - } - - var i, j = 10, flagsCount = 0; - for (i = 0; i < contoursCount; i++) { - var endPoint = (glyf[j] << 8) | glyf[j + 1]; - flagsCount = endPoint + 1; - j += 2; - } - // skipping instructions - var instructionsStart = j; - var instructionsLength = (glyf[j] << 8) | glyf[j + 1]; - j += 2 + instructionsLength; - var instructionsEnd = j; - // validating flags - var coordinatesLength = 0; - for (i = 0; i < flagsCount; i++) { - var flag = glyf[j++]; - if (flag & 0xC0) { - // reserved flags must be zero, cleaning up - glyf[j - 1] = flag & 0x3F; - } - var xyLength = ((flag & 2) ? 1 : (flag & 16) ? 0 : 2) + - ((flag & 4) ? 1 : (flag & 32) ? 0 : 2); - coordinatesLength += xyLength; - if (flag & 8) { - var repeat = glyf[j++]; - i += repeat; - coordinatesLength += repeat * xyLength; - } - } - // glyph without coordinates will be rejected - if (coordinatesLength === 0) { - return 0; - } - var glyphDataLength = j + coordinatesLength; - if (glyphDataLength > glyf.length) { - // not enough data for coordinates - return 0; - } - if (!hintsValid && instructionsLength > 0) { - dest.set(glyf.subarray(0, instructionsStart), destStart); - dest.set([0, 0], destStart + instructionsStart); - dest.set(glyf.subarray(instructionsEnd, glyphDataLength), - destStart + instructionsStart + 2); - glyphDataLength -= instructionsLength; - if (glyf.length - glyphDataLength > 3) { - glyphDataLength = (glyphDataLength + 3) & ~3; - } - return glyphDataLength; - } - if (glyf.length - glyphDataLength > 3) { - // truncating and aligning to 4 bytes the long glyph data - glyphDataLength = (glyphDataLength + 3) & ~3; - dest.set(glyf.subarray(0, glyphDataLength), destStart); - return glyphDataLength; - } - // glyph data is fine - dest.set(glyf, destStart); - return glyf.length; - } - - function sanitizeHead(head, numGlyphs, locaLength) { - var data = head.data; - - // Validate version: - // Should always be 0x00010000 - var version = int32(data[0], data[1], data[2], data[3]); - if (version >> 16 !== 1) { - info('Attempting to fix invalid version in head table: ' + version); - data[0] = 0; - data[1] = 1; - data[2] = 0; - data[3] = 0; - } - - var indexToLocFormat = int16(data[50], data[51]); - if (indexToLocFormat < 0 || indexToLocFormat > 1) { - info('Attempting to fix invalid indexToLocFormat in head table: ' + - indexToLocFormat); - - // The value of indexToLocFormat should be 0 if the loca table - // consists of short offsets, and should be 1 if the loca table - // consists of long offsets. - // - // The number of entries in the loca table should be numGlyphs + 1. - // - // Using this information, we can work backwards to deduce if the - // size of each offset in the loca table, and thus figure out the - // appropriate value for indexToLocFormat. - - var numGlyphsPlusOne = numGlyphs + 1; - if (locaLength === numGlyphsPlusOne << 1) { - // 0x0000 indicates the loca table consists of short offsets - data[50] = 0; - data[51] = 0; - } else if (locaLength === numGlyphsPlusOne << 2) { - // 0x0001 indicates the loca table consists of long offsets - data[50] = 0; - data[51] = 1; - } else { - warn('Could not fix indexToLocFormat: ' + indexToLocFormat); - } - } - } - - function sanitizeGlyphLocations(loca, glyf, numGlyphs, - isGlyphLocationsLong, hintsValid, - dupFirstEntry) { - var itemSize, itemDecode, itemEncode; - if (isGlyphLocationsLong) { - itemSize = 4; - itemDecode = function fontItemDecodeLong(data, offset) { - return (data[offset] << 24) | (data[offset + 1] << 16) | - (data[offset + 2] << 8) | data[offset + 3]; - }; - itemEncode = function fontItemEncodeLong(data, offset, value) { - data[offset] = (value >>> 24) & 0xFF; - data[offset + 1] = (value >> 16) & 0xFF; - data[offset + 2] = (value >> 8) & 0xFF; - data[offset + 3] = value & 0xFF; - }; - } else { - itemSize = 2; - itemDecode = function fontItemDecode(data, offset) { - return (data[offset] << 9) | (data[offset + 1] << 1); - }; - itemEncode = function fontItemEncode(data, offset, value) { - data[offset] = (value >> 9) & 0xFF; - data[offset + 1] = (value >> 1) & 0xFF; - }; - } - var locaData = loca.data; - var locaDataSize = itemSize * (1 + numGlyphs); - // is loca.data too short or long? - if (locaData.length !== locaDataSize) { - locaData = new Uint8Array(locaDataSize); - locaData.set(loca.data.subarray(0, locaDataSize)); - loca.data = locaData; - } - // removing the invalid glyphs - var oldGlyfData = glyf.data; - var oldGlyfDataLength = oldGlyfData.length; - var newGlyfData = new Uint8Array(oldGlyfDataLength); - var startOffset = itemDecode(locaData, 0); - var writeOffset = 0; - itemEncode(locaData, 0, writeOffset); - var i, j; - for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) { - var endOffset = itemDecode(locaData, j); - if (endOffset > oldGlyfDataLength && - ((oldGlyfDataLength + 3) & ~3) === endOffset) { - // Aspose breaks fonts by aligning the glyphs to the qword, but not - // the glyf table size, which makes last glyph out of range. - endOffset = oldGlyfDataLength; - } - if (endOffset > oldGlyfDataLength) { - // glyph end offset points outside glyf data, rejecting the glyph - itemEncode(locaData, j, writeOffset); - startOffset = endOffset; - continue; - } - - var newLength = sanitizeGlyph(oldGlyfData, startOffset, endOffset, - newGlyfData, writeOffset, hintsValid); - writeOffset += newLength; - itemEncode(locaData, j, writeOffset); - startOffset = endOffset; - } - - if (writeOffset === 0) { - // glyf table cannot be empty -- redoing the glyf and loca tables - // to have single glyph with one point - var simpleGlyph = new Uint8Array( - [0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 49, 0]); - for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) { - itemEncode(locaData, j, simpleGlyph.length); - } - glyf.data = simpleGlyph; - return; - } - - if (dupFirstEntry) { - var firstEntryLength = itemDecode(locaData, itemSize); - if (newGlyfData.length > firstEntryLength + writeOffset) { - glyf.data = newGlyfData.subarray(0, firstEntryLength + writeOffset); - } else { - glyf.data = new Uint8Array(firstEntryLength + writeOffset); - glyf.data.set(newGlyfData.subarray(0, writeOffset)); - } - glyf.data.set(newGlyfData.subarray(0, firstEntryLength), writeOffset); - itemEncode(loca.data, locaData.length - itemSize, - writeOffset + firstEntryLength); - } else { - glyf.data = newGlyfData.subarray(0, writeOffset); - } - } - - function readPostScriptTable(post, properties, maxpNumGlyphs) { - var start = (font.start ? font.start : 0) + post.offset; - font.pos = start; - - var length = post.length, end = start + length; - var version = font.getInt32(); - // skip rest to the tables - font.getBytes(28); - - var glyphNames; - var valid = true; - var i; - - switch (version) { - case 0x00010000: - glyphNames = MacStandardGlyphOrdering; - break; - case 0x00020000: - var numGlyphs = font.getUint16(); - if (numGlyphs !== maxpNumGlyphs) { - valid = false; - break; - } - var glyphNameIndexes = []; - for (i = 0; i < numGlyphs; ++i) { - var index = font.getUint16(); - if (index >= 32768) { - valid = false; - break; - } - glyphNameIndexes.push(index); - } - if (!valid) { - break; - } - var customNames = []; - var strBuf = []; - while (font.pos < end) { - var stringLength = font.getByte(); - strBuf.length = stringLength; - for (i = 0; i < stringLength; ++i) { - strBuf[i] = String.fromCharCode(font.getByte()); - } - customNames.push(strBuf.join('')); - } - glyphNames = []; - for (i = 0; i < numGlyphs; ++i) { - var j = glyphNameIndexes[i]; - if (j < 258) { - glyphNames.push(MacStandardGlyphOrdering[j]); - continue; - } - glyphNames.push(customNames[j - 258]); - } - break; - case 0x00030000: - break; - default: - warn('Unknown/unsupported post table version ' + version); - valid = false; - break; - } - properties.glyphNames = glyphNames; - return valid; - } - - function readNameTable(nameTable) { - var start = (font.start ? font.start : 0) + nameTable.offset; - font.pos = start; - - var names = [[], []]; - var length = nameTable.length, end = start + length; - var format = font.getUint16(); - var FORMAT_0_HEADER_LENGTH = 6; - if (format !== 0 || length < FORMAT_0_HEADER_LENGTH) { - // unsupported name table format or table "too" small - return names; - } - var numRecords = font.getUint16(); - var stringsStart = font.getUint16(); - var records = []; - var NAME_RECORD_LENGTH = 12; - var i, ii; - - for (i = 0; i < numRecords && - font.pos + NAME_RECORD_LENGTH <= end; i++) { - var r = { - platform: font.getUint16(), - encoding: font.getUint16(), - language: font.getUint16(), - name: font.getUint16(), - length: font.getUint16(), - offset: font.getUint16() - }; - // using only Macintosh and Windows platform/encoding names - if ((r.platform === 1 && r.encoding === 0 && r.language === 0) || - (r.platform === 3 && r.encoding === 1 && r.language === 0x409)) { - records.push(r); - } - } - for (i = 0, ii = records.length; i < ii; i++) { - var record = records[i]; - var pos = start + stringsStart + record.offset; - if (pos + record.length > end) { - continue; // outside of name table, ignoring - } - font.pos = pos; - var nameIndex = record.name; - if (record.encoding) { - // unicode - var str = ''; - for (var j = 0, jj = record.length; j < jj; j += 2) { - str += String.fromCharCode(font.getUint16()); - } - names[1][nameIndex] = str; - } else { - names[0][nameIndex] = bytesToString(font.getBytes(record.length)); - } - } - return names; - } - - var TTOpsStackDeltas = [ - 0, 0, 0, 0, 0, 0, 0, 0, -2, -2, -2, -2, 0, 0, -2, -5, - -1, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, -1, -1, - 1, -1, -999, 0, 1, 0, -1, -2, 0, -1, -2, -1, -1, 0, -1, -1, - 0, 0, -999, -999, -1, -1, -1, -1, -2, -999, -2, -2, -999, 0, -2, -2, - 0, 0, -2, 0, -2, 0, 0, 0, -2, -1, -1, 1, 1, 0, 0, -1, - -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, 0, -999, -1, -1, - -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - -2, -999, -999, -999, -999, -999, -1, -1, -2, -2, 0, 0, 0, 0, -1, -1, - -999, -2, -2, 0, 0, -1, -2, -2, 0, 0, 0, -1, -1, -1, -2]; - // 0xC0-DF == -1 and 0xE0-FF == -2 - - function sanitizeTTProgram(table, ttContext) { - var data = table.data; - var i = 0, j, n, b, funcId, pc, lastEndf = 0, lastDeff = 0; - var stack = []; - var callstack = []; - var functionsCalled = []; - var tooComplexToFollowFunctions = - ttContext.tooComplexToFollowFunctions; - var inFDEF = false, ifLevel = 0, inELSE = 0; - for (var ii = data.length; i < ii;) { - var op = data[i++]; - // The TrueType instruction set docs can be found at - // https://developer.apple.com/fonts/TTRefMan/RM05/Chap5.html - if (op === 0x40) { // NPUSHB - pushes n bytes - n = data[i++]; - if (inFDEF || inELSE) { - i += n; - } else { - for (j = 0; j < n; j++) { - stack.push(data[i++]); - } - } - } else if (op === 0x41) { // NPUSHW - pushes n words - n = data[i++]; - if (inFDEF || inELSE) { - i += n * 2; - } else { - for (j = 0; j < n; j++) { - b = data[i++]; - stack.push((b << 8) | data[i++]); - } - } - } else if ((op & 0xF8) === 0xB0) { // PUSHB - pushes bytes - n = op - 0xB0 + 1; - if (inFDEF || inELSE) { - i += n; - } else { - for (j = 0; j < n; j++) { - stack.push(data[i++]); - } - } - } else if ((op & 0xF8) === 0xB8) { // PUSHW - pushes words - n = op - 0xB8 + 1; - if (inFDEF || inELSE) { - i += n * 2; - } else { - for (j = 0; j < n; j++) { - b = data[i++]; - stack.push((b << 8) | data[i++]); - } - } - } else if (op === 0x2B && !tooComplexToFollowFunctions) { // CALL - if (!inFDEF && !inELSE) { - // collecting inforamtion about which functions are used - funcId = stack[stack.length - 1]; - ttContext.functionsUsed[funcId] = true; - if (funcId in ttContext.functionsStackDeltas) { - stack.length += ttContext.functionsStackDeltas[funcId]; - } else if (funcId in ttContext.functionsDefined && - functionsCalled.indexOf(funcId) < 0) { - callstack.push({data: data, i: i, stackTop: stack.length - 1}); - functionsCalled.push(funcId); - pc = ttContext.functionsDefined[funcId]; - if (!pc) { - warn('TT: CALL non-existent function'); - ttContext.hintsValid = false; - return; - } - data = pc.data; - i = pc.i; - } - } - } else if (op === 0x2C && !tooComplexToFollowFunctions) { // FDEF - if (inFDEF || inELSE) { - warn('TT: nested FDEFs not allowed'); - tooComplexToFollowFunctions = true; - } - inFDEF = true; - // collecting inforamtion about which functions are defined - lastDeff = i; - funcId = stack.pop(); - ttContext.functionsDefined[funcId] = {data: data, i: i}; - } else if (op === 0x2D) { // ENDF - end of function - if (inFDEF) { - inFDEF = false; - lastEndf = i; - } else { - pc = callstack.pop(); - if (!pc) { - warn('TT: ENDF bad stack'); - ttContext.hintsValid = false; - return; - } - funcId = functionsCalled.pop(); - data = pc.data; - i = pc.i; - ttContext.functionsStackDeltas[funcId] = - stack.length - pc.stackTop; - } - } else if (op === 0x89) { // IDEF - instruction definition - if (inFDEF || inELSE) { - warn('TT: nested IDEFs not allowed'); - tooComplexToFollowFunctions = true; - } - inFDEF = true; - // recording it as a function to track ENDF - lastDeff = i; - } else if (op === 0x58) { // IF - ++ifLevel; - } else if (op === 0x1B) { // ELSE - inELSE = ifLevel; - } else if (op === 0x59) { // EIF - if (inELSE === ifLevel) { - inELSE = 0; - } - --ifLevel; - } else if (op === 0x1C) { // JMPR - if (!inFDEF && !inELSE) { - var offset = stack[stack.length - 1]; - // only jumping forward to prevent infinite loop - if (offset > 0) { - i += offset - 1; - } - } - } - // Adjusting stack not extactly, but just enough to get function id - if (!inFDEF && !inELSE) { - var stackDelta = op <= 0x8E ? TTOpsStackDeltas[op] : - op >= 0xC0 && op <= 0xDF ? -1 : op >= 0xE0 ? -2 : 0; - if (op >= 0x71 && op <= 0x75) { - n = stack.pop(); - if (n === n) { - stackDelta = -n * 2; - } - } - while (stackDelta < 0 && stack.length > 0) { - stack.pop(); - stackDelta++; - } - while (stackDelta > 0) { - stack.push(NaN); // pushing any number into stack - stackDelta--; - } - } - } - ttContext.tooComplexToFollowFunctions = tooComplexToFollowFunctions; - var content = [data]; - if (i > data.length) { - content.push(new Uint8Array(i - data.length)); - } - if (lastDeff > lastEndf) { - warn('TT: complementing a missing function tail'); - // new function definition started, but not finished - // complete function by [CLEAR, ENDF] - content.push(new Uint8Array([0x22, 0x2D])); - } - foldTTTable(table, content); - } - - function checkInvalidFunctions(ttContext, maxFunctionDefs) { - if (ttContext.tooComplexToFollowFunctions) { - return; - } - if (ttContext.functionsDefined.length > maxFunctionDefs) { - warn('TT: more functions defined than expected'); - ttContext.hintsValid = false; - return; - } - for (var j = 0, jj = ttContext.functionsUsed.length; j < jj; j++) { - if (j > maxFunctionDefs) { - warn('TT: invalid function id: ' + j); - ttContext.hintsValid = false; - return; - } - if (ttContext.functionsUsed[j] && !ttContext.functionsDefined[j]) { - warn('TT: undefined function: ' + j); - ttContext.hintsValid = false; - return; - } - } - } - - function foldTTTable(table, content) { - if (content.length > 1) { - // concatenating the content items - var newLength = 0; - var j, jj; - for (j = 0, jj = content.length; j < jj; j++) { - newLength += content[j].length; - } - newLength = (newLength + 3) & ~3; - var result = new Uint8Array(newLength); - var pos = 0; - for (j = 0, jj = content.length; j < jj; j++) { - result.set(content[j], pos); - pos += content[j].length; - } - table.data = result; - table.length = newLength; - } - } - - function sanitizeTTPrograms(fpgm, prep, cvt) { - var ttContext = { - functionsDefined: [], - functionsUsed: [], - functionsStackDeltas: [], - tooComplexToFollowFunctions: false, - hintsValid: true - }; - if (fpgm) { - sanitizeTTProgram(fpgm, ttContext); - } - if (prep) { - sanitizeTTProgram(prep, ttContext); - } - if (fpgm) { - checkInvalidFunctions(ttContext, maxFunctionDefs); - } - if (cvt && (cvt.length & 1)) { - var cvtData = new Uint8Array(cvt.length + 1); - cvtData.set(cvt.data); - cvt.data = cvtData; - } - return ttContext.hintsValid; - } - - // The following steps modify the original font data, making copy - font = new Stream(new Uint8Array(font.getBytes())); - - var VALID_TABLES = ['OS/2', 'cmap', 'head', 'hhea', 'hmtx', 'maxp', - 'name', 'post', 'loca', 'glyf', 'fpgm', 'prep', 'cvt ', 'CFF ']; - - var header = readOpenTypeHeader(font); - var numTables = header.numTables; - var cff, cffFile; - - var tables = { 'OS/2': null, cmap: null, head: null, hhea: null, - hmtx: null, maxp: null, name: null, post: null }; - var table; - for (var i = 0; i < numTables; i++) { - table = readTableEntry(font); - if (VALID_TABLES.indexOf(table.tag) < 0) { - continue; // skipping table if it's not a required or optional table - } - if (table.length === 0) { - continue; // skipping empty tables - } - tables[table.tag] = table; - } - - var isTrueType = !tables['CFF ']; - if (!isTrueType) { - // OpenType font - if (!tables.head || !tables.hhea || !tables.maxp || !tables.post) { - // no major tables: throwing everything at CFFFont - cffFile = new Stream(tables['CFF '].data); - cff = new CFFFont(cffFile, properties); - - return this.convert(name, cff, properties); - } - - delete tables.glyf; - delete tables.loca; - delete tables.fpgm; - delete tables.prep; - delete tables['cvt ']; - this.isOpenType = true; - } else { - if (!tables.glyf || !tables.loca) { - error('Required "glyf" or "loca" tables are not found'); - } - this.isOpenType = false; - } - - if (!tables.maxp) { - error('Required "maxp" table is not found'); - } - - font.pos = (font.start || 0) + tables.maxp.offset; - var version = font.getInt32(); - var numGlyphs = font.getUint16(); - var maxFunctionDefs = 0; - if (version >= 0x00010000 && tables.maxp.length >= 22) { - // maxZones can be invalid - font.pos += 8; - var maxZones = font.getUint16(); - if (maxZones > 2) { // reset to 2 if font has invalid maxZones - tables.maxp.data[14] = 0; - tables.maxp.data[15] = 2; - } - font.pos += 4; - maxFunctionDefs = font.getUint16(); - } - - var dupFirstEntry = false; - if (properties.type === 'CIDFontType2' && properties.toUnicode && - properties.toUnicode.get(0) > '\u0000') { - // oracle's defect (see 3427), duplicating first entry - dupFirstEntry = true; - numGlyphs++; - tables.maxp.data[4] = numGlyphs >> 8; - tables.maxp.data[5] = numGlyphs & 255; - } - - var hintsValid = sanitizeTTPrograms(tables.fpgm, tables.prep, - tables['cvt '], maxFunctionDefs); - if (!hintsValid) { - delete tables.fpgm; - delete tables.prep; - delete tables['cvt ']; - } - - // Ensure the hmtx table contains the advance width and - // sidebearings information for numGlyphs in the maxp table - sanitizeMetrics(font, tables.hhea, tables.hmtx, numGlyphs); - - if (!tables.head) { - error('Required "head" table is not found'); - } - - sanitizeHead(tables.head, numGlyphs, isTrueType ? tables.loca.length : 0); - - if (isTrueType) { - var isGlyphLocationsLong = int16(tables.head.data[50], - tables.head.data[51]); - sanitizeGlyphLocations(tables.loca, tables.glyf, numGlyphs, - isGlyphLocationsLong, hintsValid, dupFirstEntry); - } - - if (!tables.hhea) { - error('Required "hhea" table is not found'); - } - - // Sanitizer reduces the glyph advanceWidth to the maxAdvanceWidth - // Sometimes it's 0. That needs to be fixed - if (tables.hhea.data[10] === 0 && tables.hhea.data[11] === 0) { - tables.hhea.data[10] = 0xFF; - tables.hhea.data[11] = 0xFF; - } - - // The 'post' table has glyphs names. - if (tables.post) { - var valid = readPostScriptTable(tables.post, properties, numGlyphs); - if (!valid) { - tables.post = null; - } - } - - var charCodeToGlyphId = [], charCode; - if (properties.type === 'CIDFontType2') { - var cidToGidMap = properties.cidToGidMap || []; - var cidToGidMapLength = cidToGidMap.length; - properties.cMap.forEach(function(charCode, cid) { - assert(cid <= 0xffff, 'Max size of CID is 65,535'); - var glyphId = -1; - if (cidToGidMapLength === 0) { - glyphId = charCode; - } else if (cidToGidMap[cid] !== undefined) { - glyphId = cidToGidMap[cid]; - } - if (glyphId >= 0 && glyphId < numGlyphs) { - charCodeToGlyphId[charCode] = glyphId; - } - }); - if (dupFirstEntry) { - charCodeToGlyphId[0] = numGlyphs - 1; - } - } else { - // Most of the following logic in this code branch is based on the - // 9.6.6.4 of the PDF spec. - var cmapTable = readCmapTable(tables.cmap, font, this.isSymbolicFont); - var cmapPlatformId = cmapTable.platformId; - var cmapEncodingId = cmapTable.encodingId; - var cmapMappings = cmapTable.mappings; - var cmapMappingsLength = cmapMappings.length; - var hasEncoding = properties.differences.length || - !!properties.baseEncodingName; - - // The spec seems to imply that if the font is symbolic the encoding - // should be ignored, this doesn't appear to work for 'preistabelle.pdf' - // where the the font is symbolic and it has an encoding. - if (hasEncoding && - (cmapPlatformId === 3 && cmapEncodingId === 1 || - cmapPlatformId === 1 && cmapEncodingId === 0) || - (cmapPlatformId === -1 && cmapEncodingId === -1 && // Temporary hack - !!Encodings[properties.baseEncodingName])) { // Temporary hack - // When no preferred cmap table was found and |baseEncodingName| is - // one of the predefined encodings, we seem to obtain a better - // |charCodeToGlyphId| map from the code below (fixes bug 1057544). - // TODO: Note that this is a hack which should be removed as soon as - // we have proper support for more exotic cmap tables. - - var baseEncoding = []; - if (properties.baseEncodingName === 'MacRomanEncoding' || - properties.baseEncodingName === 'WinAnsiEncoding') { - baseEncoding = Encodings[properties.baseEncodingName]; - } - for (charCode = 0; charCode < 256; charCode++) { - var glyphName; - if (this.differences && charCode in this.differences) { - glyphName = this.differences[charCode]; - } else if (charCode in baseEncoding && - baseEncoding[charCode] !== '') { - glyphName = baseEncoding[charCode]; - } else { - glyphName = Encodings.StandardEncoding[charCode]; - } - if (!glyphName) { - continue; - } - var unicodeOrCharCode; - if (cmapPlatformId === 3 && cmapEncodingId === 1) { - unicodeOrCharCode = GlyphsUnicode[glyphName]; - } else if (cmapPlatformId === 1 && cmapEncodingId === 0) { - // TODO: the encoding needs to be updated with mac os table. - unicodeOrCharCode = Encodings.MacRomanEncoding.indexOf(glyphName); - } - - var found = false; - for (i = 0; i < cmapMappingsLength; ++i) { - if (cmapMappings[i].charCode === unicodeOrCharCode) { - charCodeToGlyphId[charCode] = cmapMappings[i].glyphId; - found = true; - break; - } - } - if (!found && properties.glyphNames) { - // Try to map using the post table. There are currently no known - // pdfs that this fixes. - var glyphId = properties.glyphNames.indexOf(glyphName); - if (glyphId > 0) { - charCodeToGlyphId[charCode] = glyphId; - } - } - } - } else { - // For (3, 0) cmap tables: - // The charcode key being stored in charCodeToGlyphId is the lower - // byte of the two-byte charcodes of the cmap table since according to - // the spec: 'each byte from the string shall be prepended with the - // high byte of the range [of charcodes in the cmap table], to form - // a two-byte character, which shall be used to select the - // associated glyph description from the subtable'. - // - // For (1, 0) cmap tables: - // 'single bytes from the string shall be used to look up the - // associated glyph descriptions from the subtable'. This means - // charcodes in the cmap will be single bytes, so no-op since - // glyph.charCode & 0xFF === glyph.charCode - for (i = 0; i < cmapMappingsLength; ++i) { - charCode = cmapMappings[i].charCode & 0xFF; - charCodeToGlyphId[charCode] = cmapMappings[i].glyphId; - } - } - } - - if (charCodeToGlyphId.length === 0) { - // defines at least one glyph - charCodeToGlyphId[0] = 0; - } - - // Converting glyphs and ids into font's cmap table - var newMapping = adjustMapping(charCodeToGlyphId, properties); - this.toFontChar = newMapping.toFontChar; - tables.cmap = { - tag: 'cmap', - data: createCmapTable(newMapping.charCodeToGlyphId) - }; - - if (!tables['OS/2'] || !validateOS2Table(tables['OS/2'])) { - // extract some more font properties from the OpenType head and - // hhea tables; yMin and descent value are always negative - var override = { - unitsPerEm: int16(tables.head.data[18], tables.head.data[19]), - yMax: int16(tables.head.data[42], tables.head.data[43]), - yMin: int16(tables.head.data[38], tables.head.data[39]) - 0x10000, - ascent: int16(tables.hhea.data[4], tables.hhea.data[5]), - descent: int16(tables.hhea.data[6], tables.hhea.data[7]) - 0x10000 - }; - - tables['OS/2'] = { - tag: 'OS/2', - data: createOS2Table(properties, newMapping.charCodeToGlyphId, - override) - }; - } - - // Rewrite the 'post' table if needed - if (!tables.post) { - tables.post = { - tag: 'post', - data: createPostTable(properties) - }; - } - - if (!isTrueType) { - try { - // Trying to repair CFF file - cffFile = new Stream(tables['CFF '].data); - var parser = new CFFParser(cffFile, properties); - cff = parser.parse(); - var compiler = new CFFCompiler(cff); - tables['CFF '].data = compiler.compile(); - } catch (e) { - warn('Failed to compile font ' + properties.loadedName); - } - } - - // Re-creating 'name' table - if (!tables.name) { - tables.name = { - tag: 'name', - data: createNameTable(this.name) - }; - } else { - // ... using existing 'name' table as prototype - var namePrototype = readNameTable(tables.name); - tables.name.data = createNameTable(name, namePrototype); - } - - var builder = new OpenTypeFileBuilder(header.version); - for (var tableTag in tables) { - builder.addTable(tableTag, tables[tableTag].data); - } - return builder.toArray(); - }, - - convert: function Font_convert(fontName, font, properties) { - // TODO: Check the charstring widths to determine this. - properties.fixedPitch = false; - - var mapping = font.getGlyphMapping(properties); - var newMapping = adjustMapping(mapping, properties); - this.toFontChar = newMapping.toFontChar; - var numGlyphs = font.numGlyphs; - - function getCharCodes(charCodeToGlyphId, glyphId) { - var charCodes = null; - for (var charCode in charCodeToGlyphId) { - if (glyphId === charCodeToGlyphId[charCode]) { - if (!charCodes) { - charCodes = []; - } - charCodes.push(charCode | 0); - } - } - return charCodes; - } - - function createCharCode(charCodeToGlyphId, glyphId) { - for (var charCode in charCodeToGlyphId) { - if (glyphId === charCodeToGlyphId[charCode]) { - return charCode | 0; - } - } - newMapping.charCodeToGlyphId[newMapping.nextAvailableFontCharCode] = - glyphId; - return newMapping.nextAvailableFontCharCode++; - } - - var seacs = font.seacs; - if (SEAC_ANALYSIS_ENABLED && seacs && seacs.length) { - var matrix = properties.fontMatrix || FONT_IDENTITY_MATRIX; - var charset = font.getCharset(); - var seacMap = Object.create(null); - for (var glyphId in seacs) { - glyphId |= 0; - var seac = seacs[glyphId]; - var baseGlyphName = Encodings.StandardEncoding[seac[2]]; - var accentGlyphName = Encodings.StandardEncoding[seac[3]]; - var baseGlyphId = charset.indexOf(baseGlyphName); - var accentGlyphId = charset.indexOf(accentGlyphName); - if (baseGlyphId < 0 || accentGlyphId < 0) { - continue; - } - var accentOffset = { - x: seac[0] * matrix[0] + seac[1] * matrix[2] + matrix[4], - y: seac[0] * matrix[1] + seac[1] * matrix[3] + matrix[5] - }; - - var charCodes = getCharCodes(mapping, glyphId); - if (!charCodes) { - // There's no point in mapping it if the char code was never mapped - // to begin with. - continue; - } - for (var i = 0, ii = charCodes.length; i < ii; i++) { - var charCode = charCodes[i]; - // Find a fontCharCode that maps to the base and accent glyphs. - // If one doesn't exists, create it. - var charCodeToGlyphId = newMapping.charCodeToGlyphId; - var baseFontCharCode = createCharCode(charCodeToGlyphId, - baseGlyphId); - var accentFontCharCode = createCharCode(charCodeToGlyphId, - accentGlyphId); - seacMap[charCode] = { - baseFontCharCode: baseFontCharCode, - accentFontCharCode: accentFontCharCode, - accentOffset: accentOffset - }; - } - } - properties.seacMap = seacMap; - } - - var unitsPerEm = 1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0]; - - var builder = new OpenTypeFileBuilder('\x4F\x54\x54\x4F'); - // PostScript Font Program - builder.addTable('CFF ', font.data); - // OS/2 and Windows Specific metrics - builder.addTable('OS/2', createOS2Table(properties, - newMapping.charCodeToGlyphId)); - // Character to glyphs mapping - builder.addTable('cmap', createCmapTable(newMapping.charCodeToGlyphId)); - // Font header - builder.addTable('head', - '\x00\x01\x00\x00' + // Version number - '\x00\x00\x10\x00' + // fontRevision - '\x00\x00\x00\x00' + // checksumAdjustement - '\x5F\x0F\x3C\xF5' + // magicNumber - '\x00\x00' + // Flags - safeString16(unitsPerEm) + // unitsPerEM - '\x00\x00\x00\x00\x9e\x0b\x7e\x27' + // creation date - '\x00\x00\x00\x00\x9e\x0b\x7e\x27' + // modifification date - '\x00\x00' + // xMin - safeString16(properties.descent) + // yMin - '\x0F\xFF' + // xMax - safeString16(properties.ascent) + // yMax - string16(properties.italicAngle ? 2 : 0) + // macStyle - '\x00\x11' + // lowestRecPPEM - '\x00\x00' + // fontDirectionHint - '\x00\x00' + // indexToLocFormat - '\x00\x00'); // glyphDataFormat - - // Horizontal header - builder.addTable('hhea', - '\x00\x01\x00\x00' + // Version number - safeString16(properties.ascent) + // Typographic Ascent - safeString16(properties.descent) + // Typographic Descent - '\x00\x00' + // Line Gap - '\xFF\xFF' + // advanceWidthMax - '\x00\x00' + // minLeftSidebearing - '\x00\x00' + // minRightSidebearing - '\x00\x00' + // xMaxExtent - safeString16(properties.capHeight) + // caretSlopeRise - safeString16(Math.tan(properties.italicAngle) * - properties.xHeight) + // caretSlopeRun - '\x00\x00' + // caretOffset - '\x00\x00' + // -reserved- - '\x00\x00' + // -reserved- - '\x00\x00' + // -reserved- - '\x00\x00' + // -reserved- - '\x00\x00' + // metricDataFormat - string16(numGlyphs)); // Number of HMetrics - - // Horizontal metrics - builder.addTable('hmtx', (function fontFieldsHmtx() { - var charstrings = font.charstrings; - var cffWidths = font.cff ? font.cff.widths : null; - var hmtx = '\x00\x00\x00\x00'; // Fake .notdef - for (var i = 1, ii = numGlyphs; i < ii; i++) { - var width = 0; - if (charstrings) { - var charstring = charstrings[i - 1]; - width = 'width' in charstring ? charstring.width : 0; - } else if (cffWidths) { - width = Math.ceil(cffWidths[i] || 0); - } - hmtx += string16(width) + string16(0); - } - return hmtx; - })()); - - // Maximum profile - builder.addTable('maxp', - '\x00\x00\x50\x00' + // Version number - string16(numGlyphs)); // Num of glyphs - - // Naming tables - builder.addTable('name', createNameTable(fontName)); - - // PostScript informations - builder.addTable('post', createPostTable(properties)); - - return builder.toArray(); - }, - - /** - * Builds a char code to unicode map based on section 9.10 of the spec. - * @param {Object} properties Font properties object. - * @return {Object} A ToUnicodeMap object. - */ - buildToUnicode: function Font_buildToUnicode(properties) { - // Section 9.10.2 Mapping Character Codes to Unicode Values - if (properties.toUnicode && properties.toUnicode.length !== 0) { - return properties.toUnicode; - } - // According to the spec if the font is a simple font we should only map - // to unicode if the base encoding is MacRoman, MacExpert, or WinAnsi or - // the differences array only contains adobe standard or symbol set names, - // in pratice it seems better to always try to create a toUnicode - // map based of the default encoding. - var toUnicode, charcode; - if (!properties.composite /* is simple font */) { - toUnicode = []; - var encoding = properties.defaultEncoding.slice(); - var baseEncodingName = properties.baseEncodingName; - // Merge in the differences array. - var differences = properties.differences; - for (charcode in differences) { - encoding[charcode] = differences[charcode]; - } - for (charcode in encoding) { - // a) Map the character code to a character name. - var glyphName = encoding[charcode]; - // b) Look up the character name in the Adobe Glyph List (see the - // Bibliography) to obtain the corresponding Unicode value. - if (glyphName === '') { - continue; - } else if (GlyphsUnicode[glyphName] === undefined) { - // (undocumented) c) Few heuristics to recognize unknown glyphs - // NOTE: Adobe Reader does not do this step, but OSX Preview does - var code = 0; - switch (glyphName[0]) { - case 'G': // Gxx glyph - if (glyphName.length === 3) { - code = parseInt(glyphName.substr(1), 16); - } - break; - case 'g': // g00xx glyph - if (glyphName.length === 5) { - code = parseInt(glyphName.substr(1), 16); - } - break; - case 'C': // Cddd glyph - case 'c': // cddd glyph - if (glyphName.length >= 3) { - code = +glyphName.substr(1); - } - break; - } - if (code) { - // If |baseEncodingName| is one the predefined encodings, - // and |code| equals |charcode|, using the glyph defined in the - // baseEncoding seems to yield a better |toUnicode| mapping - // (fixes issue 5070). - if (baseEncodingName && code === +charcode) { - var baseEncoding = Encodings[baseEncodingName]; - if (baseEncoding && (glyphName = baseEncoding[charcode])) { - toUnicode[charcode] = - String.fromCharCode(GlyphsUnicode[glyphName]); - continue; - } - } - toUnicode[charcode] = String.fromCharCode(code); - } - continue; - } - toUnicode[charcode] = String.fromCharCode(GlyphsUnicode[glyphName]); - } - return new ToUnicodeMap(toUnicode); - } - // If the font is a composite font that uses one of the predefined CMaps - // listed in Table 118 (except Identity–H and Identity–V) or whose - // descendant CIDFont uses the Adobe-GB1, Adobe-CNS1, Adobe-Japan1, or - // Adobe-Korea1 character collection: - if (properties.composite && ( - (properties.cMap.builtInCMap && - !(properties.cMap instanceof IdentityCMap)) || - (properties.cidSystemInfo.registry === 'Adobe' && - (properties.cidSystemInfo.ordering === 'GB1' || - properties.cidSystemInfo.ordering === 'CNS1' || - properties.cidSystemInfo.ordering === 'Japan1' || - properties.cidSystemInfo.ordering === 'Korea1')))) { - // Then: - // a) Map the character code to a character identifier (CID) according - // to the font’s CMap. - // b) Obtain the registry and ordering of the character collection used - // by the font’s CMap (for example, Adobe and Japan1) from its - // CIDSystemInfo dictionary. - var registry = properties.cidSystemInfo.registry; - var ordering = properties.cidSystemInfo.ordering; - // c) Construct a second CMap name by concatenating the registry and - // ordering obtained in step (b) in the format registry–ordering–UCS2 - // (for example, Adobe–Japan1–UCS2). - var ucs2CMapName = new Name(registry + '-' + ordering + '-UCS2'); - // d) Obtain the CMap with the name constructed in step (c) (available - // from the ASN Web site; see the Bibliography). - var ucs2CMap = CMapFactory.create(ucs2CMapName, - { url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null); - var cMap = properties.cMap; - toUnicode = []; - cMap.forEach(function(charcode, cid) { - assert(cid <= 0xffff, 'Max size of CID is 65,535'); - // e) Map the CID obtained in step (a) according to the CMap obtained - // in step (d), producing a Unicode value. - var ucs2 = ucs2CMap.lookup(cid); - if (ucs2) { - toUnicode[charcode] = - String.fromCharCode((ucs2.charCodeAt(0) << 8) + - ucs2.charCodeAt(1)); - } - }); - return new ToUnicodeMap(toUnicode); - } - - // The viewer's choice, just use an identity map. - return new IdentityToUnicodeMap(properties.firstChar, - properties.lastChar); - }, - - get spaceWidth() { - if ('_shadowWidth' in this) { - return this._shadowWidth; - } - - // trying to estimate space character width - var possibleSpaceReplacements = ['space', 'minus', 'one', 'i']; - var width; - for (var i = 0, ii = possibleSpaceReplacements.length; i < ii; i++) { - var glyphName = possibleSpaceReplacements[i]; - // if possible, getting width by glyph name - if (glyphName in this.widths) { - width = this.widths[glyphName]; - break; - } - var glyphUnicode = GlyphsUnicode[glyphName]; - // finding the charcode via unicodeToCID map - var charcode = 0; - if (this.composite) { - if (this.cMap.contains(glyphUnicode)) { - charcode = this.cMap.lookup(glyphUnicode); - } - } - // ... via toUnicode map - if (!charcode && 'toUnicode' in this) { - charcode = this.toUnicode.charCodeOf(glyphUnicode); - } - // setting it to unicode if negative or undefined - if (charcode <= 0) { - charcode = glyphUnicode; - } - // trying to get width via charcode - width = this.widths[charcode]; - if (width) { - break; // the non-zero width found - } - } - width = width || this.defaultWidth; - // Do not shadow the property here. See discussion: - // https://github.com/mozilla/pdf.js/pull/2127#discussion_r1662280 - this._shadowWidth = width; - return width; - }, - - charToGlyph: function Font_charToGlyph(charcode) { - var fontCharCode, width, operatorListId; - - var widthCode = charcode; - if (this.cMap && this.cMap.contains(charcode)) { - widthCode = this.cMap.lookup(charcode); - } - width = this.widths[widthCode]; - width = isNum(width) ? width : this.defaultWidth; - var vmetric = this.vmetrics && this.vmetrics[widthCode]; - - var unicode = this.toUnicode.get(charcode) || charcode; - if (typeof unicode === 'number') { - unicode = String.fromCharCode(unicode); - } - - // First try the toFontChar map, if it's not there then try falling - // back to the char code. - fontCharCode = this.toFontChar[charcode] || charcode; - if (this.missingFile) { - fontCharCode = mapSpecialUnicodeValues(fontCharCode); - } - - if (this.isType3Font) { - // Font char code in this case is actually a glyph name. - operatorListId = fontCharCode; - } - - var accent = null; - if (this.seacMap && this.seacMap[charcode]) { - var seac = this.seacMap[charcode]; - fontCharCode = seac.baseFontCharCode; - accent = { - fontChar: String.fromCharCode(seac.accentFontCharCode), - offset: seac.accentOffset - }; - } - - var fontChar = String.fromCharCode(fontCharCode); - - var glyph = this.glyphCache[charcode]; - if (!glyph || - !glyph.matchesForCache(fontChar, unicode, accent, width, vmetric, - operatorListId)) { - glyph = new Glyph(fontChar, unicode, accent, width, vmetric, - operatorListId); - this.glyphCache[charcode] = glyph; - } - return glyph; - }, - - charsToGlyphs: function Font_charsToGlyphs(chars) { - var charsCache = this.charsCache; - var glyphs, glyph, charcode; - - // if we translated this string before, just grab it from the cache - if (charsCache) { - glyphs = charsCache[chars]; - if (glyphs) { - return glyphs; - } - } - - // lazily create the translation cache - if (!charsCache) { - charsCache = this.charsCache = Object.create(null); - } - - glyphs = []; - var charsCacheKey = chars; - var i = 0, ii; - - if (this.cMap) { - // composite fonts have multi-byte strings convert the string from - // single-byte to multi-byte - var c = {}; - while (i < chars.length) { - this.cMap.readCharCode(chars, i, c); - charcode = c.charcode; - var length = c.length; - i += length; - glyph = this.charToGlyph(charcode); - glyphs.push(glyph); - // placing null after each word break charcode (ASCII SPACE) - // Ignore occurences of 0x20 in multiple-byte codes. - if (length === 1 && chars.charCodeAt(i - 1) === 0x20) { - glyphs.push(null); - } - } - } else { - for (i = 0, ii = chars.length; i < ii; ++i) { - charcode = chars.charCodeAt(i); - glyph = this.charToGlyph(charcode); - glyphs.push(glyph); - if (charcode === 0x20) { - glyphs.push(null); - } - } - } - - // Enter the translated string into the cache - return (charsCache[charsCacheKey] = glyphs); - } - }; - - return Font; -})(); - -var ErrorFont = (function ErrorFontClosure() { - function ErrorFont(error) { - this.error = error; - this.loadedName = 'g_font_error'; - this.loading = false; - } - - ErrorFont.prototype = { - charsToGlyphs: function ErrorFont_charsToGlyphs() { - return []; - }, - exportData: function ErrorFont_exportData() { - return {error: this.error}; - } - }; - - return ErrorFont; -})(); - -/** - * Shared logic for building a char code to glyph id mapping for Type1 and - * simple CFF fonts. See section 9.6.6.2 of the spec. - * @param {Object} properties Font properties object. - * @param {Object} builtInEncoding The encoding contained within the actual font - * data. - * @param {Array} Array of glyph names where the index is the glyph ID. - * @returns {Object} A char code to glyph ID map. - */ -function type1FontGlyphMapping(properties, builtInEncoding, glyphNames) { - var charCodeToGlyphId = Object.create(null); - var glyphId, charCode, baseEncoding; - - if (properties.baseEncodingName) { - // If a valid base encoding name was used, the mapping is initialized with - // that. - baseEncoding = Encodings[properties.baseEncodingName]; - for (charCode = 0; charCode < baseEncoding.length; charCode++) { - glyphId = glyphNames.indexOf(baseEncoding[charCode]); - if (glyphId >= 0) { - charCodeToGlyphId[charCode] = glyphId; - } - } - } else if (!!(properties.flags & FontFlags.Symbolic)) { - // For a symbolic font the encoding should be the fonts built-in - // encoding. - for (charCode in builtInEncoding) { - charCodeToGlyphId[charCode] = builtInEncoding[charCode]; - } - } else { - // For non-symbolic fonts that don't have a base encoding the standard - // encoding should be used. - baseEncoding = Encodings.StandardEncoding; - for (charCode = 0; charCode < baseEncoding.length; charCode++) { - glyphId = glyphNames.indexOf(baseEncoding[charCode]); - if (glyphId >= 0) { - charCodeToGlyphId[charCode] = glyphId; - } - } - } - - // Lastly, merge in the differences. - var differences = properties.differences; - if (differences) { - for (charCode in differences) { - var glyphName = differences[charCode]; - glyphId = glyphNames.indexOf(glyphName); - if (glyphId >= 0) { - charCodeToGlyphId[charCode] = glyphId; - } - } - } - return charCodeToGlyphId; -} - -/* - * CharStrings are encoded following the the CharString Encoding sequence - * describe in Chapter 6 of the "Adobe Type1 Font Format" specification. - * The value in a byte indicates a command, a number, or subsequent bytes - * that are to be interpreted in a special way. - * - * CharString Number Encoding: - * A CharString byte containing the values from 32 through 255 inclusive - * indicate an integer. These values are decoded in four ranges. - * - * 1. A CharString byte containing a value, v, between 32 and 246 inclusive, - * indicate the integer v - 139. Thus, the integer values from -107 through - * 107 inclusive may be encoded in single byte. - * - * 2. A CharString byte containing a value, v, between 247 and 250 inclusive, - * indicates an integer involving the next byte, w, according to the formula: - * [(v - 247) x 256] + w + 108 - * - * 3. A CharString byte containing a value, v, between 251 and 254 inclusive, - * indicates an integer involving the next byte, w, according to the formula: - * -[(v - 251) * 256] - w - 108 - * - * 4. A CharString containing the value 255 indicates that the next 4 bytes - * are a two complement signed integer. The first of these bytes contains the - * highest order bits, the second byte contains the next higher order bits - * and the fourth byte contain the lowest order bits. - * - * - * CharString Command Encoding: - * CharStrings commands are encoded in 1 or 2 bytes. - * - * Single byte commands are encoded in 1 byte that contains a value between - * 0 and 31 inclusive. - * If a command byte contains the value 12, then the value in the next byte - * indicates a command. This "escape" mechanism allows many extra commands - * to be encoded and this encoding technique helps to minimize the length of - * the charStrings. - */ -var Type1CharString = (function Type1CharStringClosure() { - var COMMAND_MAP = { - 'hstem': [1], - 'vstem': [3], - 'vmoveto': [4], - 'rlineto': [5], - 'hlineto': [6], - 'vlineto': [7], - 'rrcurveto': [8], - 'callsubr': [10], - 'flex': [12, 35], - 'drop' : [12, 18], - 'endchar': [14], - 'rmoveto': [21], - 'hmoveto': [22], - 'vhcurveto': [30], - 'hvcurveto': [31] - }; - - function Type1CharString() { - this.width = 0; - this.lsb = 0; - this.flexing = false; - this.output = []; - this.stack = []; - } - - Type1CharString.prototype = { - convert: function Type1CharString_convert(encoded, subrs) { - var count = encoded.length; - var error = false; - var wx, sbx, subrNumber; - for (var i = 0; i < count; i++) { - var value = encoded[i]; - if (value < 32) { - if (value === 12) { - value = (value << 8) + encoded[++i]; - } - switch (value) { - case 1: // hstem - if (!HINTING_ENABLED) { - this.stack = []; - break; - } - error = this.executeCommand(2, COMMAND_MAP.hstem); - break; - case 3: // vstem - if (!HINTING_ENABLED) { - this.stack = []; - break; - } - error = this.executeCommand(2, COMMAND_MAP.vstem); - break; - case 4: // vmoveto - if (this.flexing) { - if (this.stack.length < 1) { - error = true; - break; - } - // Add the dx for flex and but also swap the values so they are - // the right order. - var dy = this.stack.pop(); - this.stack.push(0, dy); - break; - } - error = this.executeCommand(1, COMMAND_MAP.vmoveto); - break; - case 5: // rlineto - error = this.executeCommand(2, COMMAND_MAP.rlineto); - break; - case 6: // hlineto - error = this.executeCommand(1, COMMAND_MAP.hlineto); - break; - case 7: // vlineto - error = this.executeCommand(1, COMMAND_MAP.vlineto); - break; - case 8: // rrcurveto - error = this.executeCommand(6, COMMAND_MAP.rrcurveto); - break; - case 9: // closepath - // closepath is a Type1 command that does not take argument and is - // useless in Type2 and it can simply be ignored. - this.stack = []; - break; - case 10: // callsubr - if (this.stack.length < 1) { - error = true; - break; - } - subrNumber = this.stack.pop(); - error = this.convert(subrs[subrNumber], subrs); - break; - case 11: // return - return error; - case 13: // hsbw - if (this.stack.length < 2) { - error = true; - break; - } - // To convert to type2 we have to move the width value to the - // first part of the charstring and then use hmoveto with lsb. - wx = this.stack.pop(); - sbx = this.stack.pop(); - this.lsb = sbx; - this.width = wx; - this.stack.push(wx, sbx); - error = this.executeCommand(2, COMMAND_MAP.hmoveto); - break; - case 14: // endchar - this.output.push(COMMAND_MAP.endchar[0]); - break; - case 21: // rmoveto - if (this.flexing) { - break; - } - error = this.executeCommand(2, COMMAND_MAP.rmoveto); - break; - case 22: // hmoveto - if (this.flexing) { - // Add the dy for flex. - this.stack.push(0); - break; - } - error = this.executeCommand(1, COMMAND_MAP.hmoveto); - break; - case 30: // vhcurveto - error = this.executeCommand(4, COMMAND_MAP.vhcurveto); - break; - case 31: // hvcurveto - error = this.executeCommand(4, COMMAND_MAP.hvcurveto); - break; - case (12 << 8) + 0: // dotsection - // dotsection is a Type1 command to specify some hinting feature - // for dots that do not take a parameter and it can safely be - // ignored for Type2. - this.stack = []; - break; - case (12 << 8) + 1: // vstem3 - if (!HINTING_ENABLED) { - this.stack = []; - break; - } - // [vh]stem3 are Type1 only and Type2 supports [vh]stem with - // multiple parameters, so instead of returning [vh]stem3 take a - // shortcut and return [vhstem] instead. - error = this.executeCommand(2, COMMAND_MAP.vstem); - break; - case (12 << 8) + 2: // hstem3 - if (!HINTING_ENABLED) { - this.stack = []; - break; - } - // See vstem3. - error = this.executeCommand(2, COMMAND_MAP.hstem); - break; - case (12 << 8) + 6: // seac - // seac is like type 2's special endchar but it doesn't use the - // first argument asb, so remove it. - if (SEAC_ANALYSIS_ENABLED) { - this.seac = this.stack.splice(-4, 4); - error = this.executeCommand(0, COMMAND_MAP.endchar); - } else { - error = this.executeCommand(4, COMMAND_MAP.endchar); - } - break; - case (12 << 8) + 7: // sbw - if (this.stack.length < 4) { - error = true; - break; - } - // To convert to type2 we have to move the width value to the - // first part of the charstring and then use rmoveto with - // (dx, dy). The height argument will not be used for vmtx and - // vhea tables reconstruction -- ignoring it. - var wy = this.stack.pop(); - wx = this.stack.pop(); - var sby = this.stack.pop(); - sbx = this.stack.pop(); - this.lsb = sbx; - this.width = wx; - this.stack.push(wx, sbx, sby); - error = this.executeCommand(3, COMMAND_MAP.rmoveto); - break; - case (12 << 8) + 12: // div - if (this.stack.length < 2) { - error = true; - break; - } - var num2 = this.stack.pop(); - var num1 = this.stack.pop(); - this.stack.push(num1 / num2); - break; - case (12 << 8) + 16: // callothersubr - if (this.stack.length < 2) { - error = true; - break; - } - subrNumber = this.stack.pop(); - var numArgs = this.stack.pop(); - if (subrNumber === 0 && numArgs === 3) { - var flexArgs = this.stack.splice(this.stack.length - 17, 17); - this.stack.push( - flexArgs[2] + flexArgs[0], // bcp1x + rpx - flexArgs[3] + flexArgs[1], // bcp1y + rpy - flexArgs[4], // bcp2x - flexArgs[5], // bcp2y - flexArgs[6], // p2x - flexArgs[7], // p2y - flexArgs[8], // bcp3x - flexArgs[9], // bcp3y - flexArgs[10], // bcp4x - flexArgs[11], // bcp4y - flexArgs[12], // p3x - flexArgs[13], // p3y - flexArgs[14] // flexDepth - // 15 = finalx unused by flex - // 16 = finaly unused by flex - ); - error = this.executeCommand(13, COMMAND_MAP.flex, true); - this.flexing = false; - this.stack.push(flexArgs[15], flexArgs[16]); - } else if (subrNumber === 1 && numArgs === 0) { - this.flexing = true; - } - break; - case (12 << 8) + 17: // pop - // Ignore this since it is only used with othersubr. - break; - case (12 << 8) + 33: // setcurrentpoint - // Ignore for now. - this.stack = []; - break; - default: - warn('Unknown type 1 charstring command of "' + value + '"'); - break; - } - if (error) { - break; - } - continue; - } else if (value <= 246) { - value = value - 139; - } else if (value <= 250) { - value = ((value - 247) * 256) + encoded[++i] + 108; - } else if (value <= 254) { - value = -((value - 251) * 256) - encoded[++i] - 108; - } else { - value = (encoded[++i] & 0xff) << 24 | (encoded[++i] & 0xff) << 16 | - (encoded[++i] & 0xff) << 8 | (encoded[++i] & 0xff) << 0; - } - this.stack.push(value); - } - return error; - }, - - executeCommand: function(howManyArgs, command, keepStack) { - var stackLength = this.stack.length; - if (howManyArgs > stackLength) { - return true; - } - var start = stackLength - howManyArgs; - for (var i = start; i < stackLength; i++) { - var value = this.stack[i]; - if (value === (value | 0)) { // int - this.output.push(28, (value >> 8) & 0xff, value & 0xff); - } else { // fixed point - value = (65536 * value) | 0; - this.output.push(255, - (value >> 24) & 0xFF, - (value >> 16) & 0xFF, - (value >> 8) & 0xFF, - value & 0xFF); - } - } - this.output.push.apply(this.output, command); - if (keepStack) { - this.stack.splice(start, howManyArgs); - } else { - this.stack.length = 0; - } - return false; - } - }; - - return Type1CharString; -})(); - -/* - * Type1Parser encapsulate the needed code for parsing a Type1 font - * program. Some of its logic depends on the Type2 charstrings - * structure. - * Note: this doesn't really parse the font since that would require evaluation - * of PostScript, but it is possible in most cases to extract what we need - * without a full parse. - */ -var Type1Parser = (function Type1ParserClosure() { - /* - * Decrypt a Sequence of Ciphertext Bytes to Produce the Original Sequence - * of Plaintext Bytes. The function took a key as a parameter which can be - * for decrypting the eexec block of for decoding charStrings. - */ - var EEXEC_ENCRYPT_KEY = 55665; - var CHAR_STRS_ENCRYPT_KEY = 4330; - - function isHexDigit(code) { - return code >= 48 && code <= 57 || // '0'-'9' - code >= 65 && code <= 70 || // 'A'-'F' - code >= 97 && code <= 102; // 'a'-'f' - } - - function decrypt(data, key, discardNumber) { - var r = key | 0, c1 = 52845, c2 = 22719; - var count = data.length; - var decrypted = new Uint8Array(count); - for (var i = 0; i < count; i++) { - var value = data[i]; - decrypted[i] = value ^ (r >> 8); - r = ((value + r) * c1 + c2) & ((1 << 16) - 1); - } - return Array.prototype.slice.call(decrypted, discardNumber); - } - - function decryptAscii(data, key, discardNumber) { - var r = key | 0, c1 = 52845, c2 = 22719; - var count = data.length, maybeLength = count >>> 1; - var decrypted = new Uint8Array(maybeLength); - var i, j; - for (i = 0, j = 0; i < count; i++) { - var digit1 = data[i]; - if (!isHexDigit(digit1)) { - continue; - } - i++; - var digit2; - while (i < count && !isHexDigit(digit2 = data[i])) { - i++; - } - if (i < count) { - var value = parseInt(String.fromCharCode(digit1, digit2), 16); - decrypted[j++] = value ^ (r >> 8); - r = ((value + r) * c1 + c2) & ((1 << 16) - 1); - } - } - return Array.prototype.slice.call(decrypted, discardNumber, j); - } - - function isSpecial(c) { - return c === 0x2F || // '/' - c === 0x5B || c === 0x5D || // '[', ']' - c === 0x7B || c === 0x7D || // '{', '}' - c === 0x28 || c === 0x29; // '(', ')' - } - - function Type1Parser(stream, encrypted) { - if (encrypted) { - var data = stream.getBytes(); - var isBinary = !(isHexDigit(data[0]) && isHexDigit(data[1]) && - isHexDigit(data[2]) && isHexDigit(data[3])); - stream = new Stream(isBinary ? decrypt(data, EEXEC_ENCRYPT_KEY, 4) : - decryptAscii(data, EEXEC_ENCRYPT_KEY, 4)); - } - this.stream = stream; - this.nextChar(); - } - - Type1Parser.prototype = { - readNumberArray: function Type1Parser_readNumberArray() { - this.getToken(); // read '[' or '{' (arrays can start with either) - var array = []; - while (true) { - var token = this.getToken(); - if (token === null || token === ']' || token === '}') { - break; - } - array.push(parseFloat(token || 0)); - } - return array; - }, - - readNumber: function Type1Parser_readNumber() { - var token = this.getToken(); - return parseFloat(token || 0); - }, - - readInt: function Type1Parser_readInt() { - // Use '| 0' to prevent setting a double into length such as the double - // does not flow into the loop variable. - var token = this.getToken(); - return parseInt(token || 0, 10) | 0; - }, - - readBoolean: function Type1Parser_readBoolean() { - var token = this.getToken(); - - // Use 1 and 0 since that's what type2 charstrings use. - return token === 'true' ? 1 : 0; - }, - - nextChar : function Type1_nextChar() { - return (this.currentChar = this.stream.getByte()); - }, - - getToken: function Type1Parser_getToken() { - // Eat whitespace and comments. - var comment = false; - var ch = this.currentChar; - while (true) { - if (ch === -1) { - return null; - } - - if (comment) { - if (ch === 0x0A || ch === 0x0D) { - comment = false; - } - } else if (ch === 0x25) { // '%' - comment = true; - } else if (!Lexer.isSpace(ch)) { - break; - } - ch = this.nextChar(); - } - if (isSpecial(ch)) { - this.nextChar(); - return String.fromCharCode(ch); - } - var token = ''; - do { - token += String.fromCharCode(ch); - ch = this.nextChar(); - } while (ch >= 0 && !Lexer.isSpace(ch) && !isSpecial(ch)); - return token; - }, - - /* - * Returns an object containing a Subrs array and a CharStrings - * array extracted from and eexec encrypted block of data - */ - extractFontProgram: function Type1Parser_extractFontProgram() { - var stream = this.stream; - - var subrs = [], charstrings = []; - var program = { - subrs: [], - charstrings: [], - properties: { - 'privateData': { - 'lenIV': 4 - } - } - }; - var token, length, data, lenIV, encoded; - while ((token = this.getToken()) !== null) { - if (token !== '/') { - continue; - } - token = this.getToken(); - switch (token) { - case 'CharStrings': - // The number immediately following CharStrings must be greater or - // equal to the number of CharStrings. - this.getToken(); - this.getToken(); // read in 'dict' - this.getToken(); // read in 'dup' - this.getToken(); // read in 'begin' - while(true) { - token = this.getToken(); - if (token === null || token === 'end') { - break; - } - - if (token !== '/') { - continue; - } - var glyph = this.getToken(); - length = this.readInt(); - this.getToken(); // read in 'RD' or '-|' - data = stream.makeSubStream(stream.pos, length); - lenIV = program.properties.privateData['lenIV']; - encoded = decrypt(data.getBytes(), CHAR_STRS_ENCRYPT_KEY, lenIV); - // Skip past the required space and binary data. - stream.skip(length); - this.nextChar(); - token = this.getToken(); // read in 'ND' or '|-' - if (token === 'noaccess') { - this.getToken(); // read in 'def' - } - charstrings.push({ - glyph: glyph, - encoded: encoded - }); - } - break; - case 'Subrs': - var num = this.readInt(); - this.getToken(); // read in 'array' - while ((token = this.getToken()) === 'dup') { - var index = this.readInt(); - length = this.readInt(); - this.getToken(); // read in 'RD' or '-|' - data = stream.makeSubStream(stream.pos, length); - lenIV = program.properties.privateData['lenIV']; - encoded = decrypt(data.getBytes(), CHAR_STRS_ENCRYPT_KEY, lenIV); - // Skip past the required space and binary data. - stream.skip(length); - this.nextChar(); - token = this.getToken(); // read in 'NP' or '|' - if (token === 'noaccess') { - this.getToken(); // read in 'put' - } - subrs[index] = encoded; - } - break; - case 'BlueValues': - case 'OtherBlues': - case 'FamilyBlues': - case 'FamilyOtherBlues': - var blueArray = this.readNumberArray(); - // *Blue* values may contain invalid data: disables reading of - // those values when hinting is disabled. - if (blueArray.length > 0 && (blueArray.length % 2) === 0 && - HINTING_ENABLED) { - program.properties.privateData[token] = blueArray; - } - break; - case 'StemSnapH': - case 'StemSnapV': - program.properties.privateData[token] = this.readNumberArray(); - break; - case 'StdHW': - case 'StdVW': - program.properties.privateData[token] = - this.readNumberArray()[0]; - break; - case 'BlueShift': - case 'lenIV': - case 'BlueFuzz': - case 'BlueScale': - case 'LanguageGroup': - case 'ExpansionFactor': - program.properties.privateData[token] = this.readNumber(); - break; - case 'ForceBold': - program.properties.privateData[token] = this.readBoolean(); - break; - } - } - - for (var i = 0; i < charstrings.length; i++) { - glyph = charstrings[i].glyph; - encoded = charstrings[i].encoded; - var charString = new Type1CharString(); - var error = charString.convert(encoded, subrs); - var output = charString.output; - if (error) { - // It seems when FreeType encounters an error while evaluating a glyph - // that it completely ignores the glyph so we'll mimic that behaviour - // here and put an endchar to make the validator happy. - output = [14]; - } - program.charstrings.push({ - glyphName: glyph, - charstring: output, - width: charString.width, - lsb: charString.lsb, - seac: charString.seac - }); - } - - return program; - }, - - extractFontHeader: function Type1Parser_extractFontHeader(properties) { - var token; - while ((token = this.getToken()) !== null) { - if (token !== '/') { - continue; - } - token = this.getToken(); - switch (token) { - case 'FontMatrix': - var matrix = this.readNumberArray(); - properties.fontMatrix = matrix; - break; - case 'Encoding': - var encodingArg = this.getToken(); - var encoding; - if (!/^\d+$/.test(encodingArg)) { - // encoding name is specified - encoding = Encodings[encodingArg]; - } else { - encoding = []; - var size = parseInt(encodingArg, 10) | 0; - this.getToken(); // read in 'array' - - for (var j = 0; j < size; j++) { - token = this.getToken(); - // skipping till first dup or def (e.g. ignoring for statement) - while (token !== 'dup' && token !== 'def') { - token = this.getToken(); - if (token === null) { - return; // invalid header - } - } - if (token === 'def') { - break; // read all array data - } - var index = this.readInt(); - this.getToken(); // read in '/' - var glyph = this.getToken(); - encoding[index] = glyph; - this.getToken(); // read the in 'put' - } - } - properties.builtInEncoding = encoding; - break; - case 'FontBBox': - var fontBBox = this.readNumberArray(); - // adjusting ascent/descent - properties.ascent = fontBBox[3]; - properties.descent = fontBBox[1]; - properties.ascentScaled = true; - break; - } - } - } - }; - - return Type1Parser; -})(); - -/** - * The CFF class takes a Type1 file and wrap it into a - * 'Compact Font Format' which itself embed Type2 charstrings. - */ -var CFFStandardStrings = [ - '.notdef', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', - 'ampersand', 'quoteright', 'parenleft', 'parenright', 'asterisk', 'plus', - 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three', 'four', - 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', 'less', - 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', - 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', - 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', 'asciicircum', - 'underscore', 'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', - 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', - 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', 'exclamdown', 'cent', - 'sterling', 'fraction', 'yen', 'florin', 'section', 'currency', - 'quotesingle', 'quotedblleft', 'guillemotleft', 'guilsinglleft', - 'guilsinglright', 'fi', 'fl', 'endash', 'dagger', 'daggerdbl', - 'periodcentered', 'paragraph', 'bullet', 'quotesinglbase', 'quotedblbase', - 'quotedblright', 'guillemotright', 'ellipsis', 'perthousand', 'questiondown', - 'grave', 'acute', 'circumflex', 'tilde', 'macron', 'breve', 'dotaccent', - 'dieresis', 'ring', 'cedilla', 'hungarumlaut', 'ogonek', 'caron', 'emdash', - 'AE', 'ordfeminine', 'Lslash', 'Oslash', 'OE', 'ordmasculine', 'ae', - 'dotlessi', 'lslash', 'oslash', 'oe', 'germandbls', 'onesuperior', - 'logicalnot', 'mu', 'trademark', 'Eth', 'onehalf', 'plusminus', 'Thorn', - 'onequarter', 'divide', 'brokenbar', 'degree', 'thorn', 'threequarters', - 'twosuperior', 'registered', 'minus', 'eth', 'multiply', 'threesuperior', - 'copyright', 'Aacute', 'Acircumflex', 'Adieresis', 'Agrave', 'Aring', - 'Atilde', 'Ccedilla', 'Eacute', 'Ecircumflex', 'Edieresis', 'Egrave', - 'Iacute', 'Icircumflex', 'Idieresis', 'Igrave', 'Ntilde', 'Oacute', - 'Ocircumflex', 'Odieresis', 'Ograve', 'Otilde', 'Scaron', 'Uacute', - 'Ucircumflex', 'Udieresis', 'Ugrave', 'Yacute', 'Ydieresis', 'Zcaron', - 'aacute', 'acircumflex', 'adieresis', 'agrave', 'aring', 'atilde', - 'ccedilla', 'eacute', 'ecircumflex', 'edieresis', 'egrave', 'iacute', - 'icircumflex', 'idieresis', 'igrave', 'ntilde', 'oacute', 'ocircumflex', - 'odieresis', 'ograve', 'otilde', 'scaron', 'uacute', 'ucircumflex', - 'udieresis', 'ugrave', 'yacute', 'ydieresis', 'zcaron', 'exclamsmall', - 'Hungarumlautsmall', 'dollaroldstyle', 'dollarsuperior', 'ampersandsmall', - 'Acutesmall', 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader', - 'onedotenleader', 'zerooldstyle', 'oneoldstyle', 'twooldstyle', - 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle', 'sixoldstyle', - 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle', 'commasuperior', - 'threequartersemdash', 'periodsuperior', 'questionsmall', 'asuperior', - 'bsuperior', 'centsuperior', 'dsuperior', 'esuperior', 'isuperior', - 'lsuperior', 'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior', - 'tsuperior', 'ff', 'ffi', 'ffl', 'parenleftinferior', 'parenrightinferior', - 'Circumflexsmall', 'hyphensuperior', 'Gravesmall', 'Asmall', 'Bsmall', - 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', 'Hsmall', 'Ismall', - 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', 'Osmall', 'Psmall', - 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', 'Vsmall', 'Wsmall', - 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', 'onefitted', 'rupiah', - 'Tildesmall', 'exclamdownsmall', 'centoldstyle', 'Lslashsmall', - 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall', 'Brevesmall', 'Caronsmall', - 'Dotaccentsmall', 'Macronsmall', 'figuredash', 'hypheninferior', - 'Ogoneksmall', 'Ringsmall', 'Cedillasmall', 'questiondownsmall', 'oneeighth', - 'threeeighths', 'fiveeighths', 'seveneighths', 'onethird', 'twothirds', - 'zerosuperior', 'foursuperior', 'fivesuperior', 'sixsuperior', - 'sevensuperior', 'eightsuperior', 'ninesuperior', 'zeroinferior', - 'oneinferior', 'twoinferior', 'threeinferior', 'fourinferior', - 'fiveinferior', 'sixinferior', 'seveninferior', 'eightinferior', - 'nineinferior', 'centinferior', 'dollarinferior', 'periodinferior', - 'commainferior', 'Agravesmall', 'Aacutesmall', 'Acircumflexsmall', - 'Atildesmall', 'Adieresissmall', 'Aringsmall', 'AEsmall', 'Ccedillasmall', - 'Egravesmall', 'Eacutesmall', 'Ecircumflexsmall', 'Edieresissmall', - 'Igravesmall', 'Iacutesmall', 'Icircumflexsmall', 'Idieresissmall', - 'Ethsmall', 'Ntildesmall', 'Ogravesmall', 'Oacutesmall', 'Ocircumflexsmall', - 'Otildesmall', 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', - 'Uacutesmall', 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', - 'Thornsmall', 'Ydieresissmall', '001.000', '001.001', '001.002', '001.003', - 'Black', 'Bold', 'Book', 'Light', 'Medium', 'Regular', 'Roman', 'Semibold' -]; - -// Type1Font is also a CIDFontType0. -var Type1Font = function Type1Font(name, file, properties) { - // Some bad generators embed pfb file as is, we have to strip 6-byte headers. - // Also, length1 and length2 might be off by 6 bytes as well. - // http://www.math.ubc.ca/~cass/piscript/type1.pdf - var PFB_HEADER_SIZE = 6; - var headerBlockLength = properties.length1; - var eexecBlockLength = properties.length2; - var pfbHeader = file.peekBytes(PFB_HEADER_SIZE); - var pfbHeaderPresent = pfbHeader[0] === 0x80 && pfbHeader[1] === 0x01; - if (pfbHeaderPresent) { - file.skip(PFB_HEADER_SIZE); - headerBlockLength = (pfbHeader[5] << 24) | (pfbHeader[4] << 16) | - (pfbHeader[3] << 8) | pfbHeader[2]; - } - - // Get the data block containing glyphs and subrs informations - var headerBlock = new Stream(file.getBytes(headerBlockLength)); - var headerBlockParser = new Type1Parser(headerBlock); - headerBlockParser.extractFontHeader(properties); - - if (pfbHeaderPresent) { - pfbHeader = file.getBytes(PFB_HEADER_SIZE); - eexecBlockLength = (pfbHeader[5] << 24) | (pfbHeader[4] << 16) | - (pfbHeader[3] << 8) | pfbHeader[2]; - } - - // Decrypt the data blocks and retrieve it's content - var eexecBlock = new Stream(file.getBytes(eexecBlockLength)); - var eexecBlockParser = new Type1Parser(eexecBlock, true); - var data = eexecBlockParser.extractFontProgram(); - for (var info in data.properties) { - properties[info] = data.properties[info]; - } - - var charstrings = data.charstrings; - var type2Charstrings = this.getType2Charstrings(charstrings); - var subrs = this.getType2Subrs(data.subrs); - - this.charstrings = charstrings; - this.data = this.wrap(name, type2Charstrings, this.charstrings, - subrs, properties); - this.seacs = this.getSeacs(data.charstrings); -}; - -Type1Font.prototype = { - get numGlyphs() { - return this.charstrings.length + 1; - }, - - getCharset: function Type1Font_getCharset() { - var charset = ['.notdef']; - var charstrings = this.charstrings; - for (var glyphId = 0; glyphId < charstrings.length; glyphId++) { - charset.push(charstrings[glyphId].glyphName); - } - return charset; - }, - - getGlyphMapping: function Type1Font_getGlyphMapping(properties) { - var charstrings = this.charstrings; - var glyphNames = ['.notdef'], glyphId; - for (glyphId = 0; glyphId < charstrings.length; glyphId++) { - glyphNames.push(charstrings[glyphId].glyphName); - } - var encoding = properties.builtInEncoding; - if (encoding) { - var builtInEncoding = {}; - for (var charCode in encoding) { - glyphId = glyphNames.indexOf(encoding[charCode]); - if (glyphId >= 0) { - builtInEncoding[charCode] = glyphId; - } - } - } - - return type1FontGlyphMapping(properties, builtInEncoding, glyphNames); - }, - - getSeacs: function Type1Font_getSeacs(charstrings) { - var i, ii; - var seacMap = []; - for (i = 0, ii = charstrings.length; i < ii; i++) { - var charstring = charstrings[i]; - if (charstring.seac) { - // Offset by 1 for .notdef - seacMap[i + 1] = charstring.seac; - } - } - return seacMap; - }, - - getType2Charstrings: function Type1Font_getType2Charstrings( - type1Charstrings) { - var type2Charstrings = []; - for (var i = 0, ii = type1Charstrings.length; i < ii; i++) { - type2Charstrings.push(type1Charstrings[i].charstring); - } - return type2Charstrings; - }, - - getType2Subrs: function Type1Font_getType2Subrs(type1Subrs) { - var bias = 0; - var count = type1Subrs.length; - if (count < 1133) { - bias = 107; - } else if (count < 33769) { - bias = 1131; - } else { - bias = 32768; - } - - // Add a bunch of empty subrs to deal with the Type2 bias - var type2Subrs = []; - var i; - for (i = 0; i < bias; i++) { - type2Subrs.push([0x0B]); - } - - for (i = 0; i < count; i++) { - type2Subrs.push(type1Subrs[i]); - } - - return type2Subrs; - }, - - wrap: function Type1Font_wrap(name, glyphs, charstrings, subrs, properties) { - var cff = new CFF(); - cff.header = new CFFHeader(1, 0, 4, 4); - - cff.names = [name]; - - var topDict = new CFFTopDict(); - // CFF strings IDs 0...390 are predefined names, so refering - // to entries in our own String INDEX starts at SID 391. - topDict.setByName('version', 391); - topDict.setByName('Notice', 392); - topDict.setByName('FullName', 393); - topDict.setByName('FamilyName', 394); - topDict.setByName('Weight', 395); - topDict.setByName('Encoding', null); // placeholder - topDict.setByName('FontMatrix', properties.fontMatrix); - topDict.setByName('FontBBox', properties.bbox); - topDict.setByName('charset', null); // placeholder - topDict.setByName('CharStrings', null); // placeholder - topDict.setByName('Private', null); // placeholder - cff.topDict = topDict; - - var strings = new CFFStrings(); - strings.add('Version 0.11'); // Version - strings.add('See original notice'); // Notice - strings.add(name); // FullName - strings.add(name); // FamilyName - strings.add('Medium'); // Weight - cff.strings = strings; - - cff.globalSubrIndex = new CFFIndex(); - - var count = glyphs.length; - var charsetArray = [0]; - var i, ii; - for (i = 0; i < count; i++) { - var index = CFFStandardStrings.indexOf(charstrings[i].glyphName); - // TODO: Insert the string and correctly map it. Previously it was - // thought mapping names that aren't in the standard strings to .notdef - // was fine, however in issue818 when mapping them all to .notdef the - // adieresis glyph no longer worked. - if (index === -1) { - index = 0; - } - charsetArray.push((index >> 8) & 0xff, index & 0xff); - } - cff.charset = new CFFCharset(false, 0, [], charsetArray); - - var charStringsIndex = new CFFIndex(); - charStringsIndex.add([0x8B, 0x0E]); // .notdef - for (i = 0; i < count; i++) { - charStringsIndex.add(glyphs[i]); - } - cff.charStrings = charStringsIndex; - - var privateDict = new CFFPrivateDict(); - privateDict.setByName('Subrs', null); // placeholder - var fields = [ - 'BlueValues', - 'OtherBlues', - 'FamilyBlues', - 'FamilyOtherBlues', - 'StemSnapH', - 'StemSnapV', - 'BlueShift', - 'BlueFuzz', - 'BlueScale', - 'LanguageGroup', - 'ExpansionFactor', - 'ForceBold', - 'StdHW', - 'StdVW' - ]; - for (i = 0, ii = fields.length; i < ii; i++) { - var field = fields[i]; - if (!properties.privateData.hasOwnProperty(field)) { - continue; - } - var value = properties.privateData[field]; - if (isArray(value)) { - // All of the private dictionary array data in CFF must be stored as - // "delta-encoded" numbers. - for (var j = value.length - 1; j > 0; j--) { - value[j] -= value[j - 1]; // ... difference from previous value - } - } - privateDict.setByName(field, value); - } - cff.topDict.privateDict = privateDict; - - var subrIndex = new CFFIndex(); - for (i = 0, ii = subrs.length; i < ii; i++) { - subrIndex.add(subrs[i]); - } - privateDict.subrsIndex = subrIndex; - - var compiler = new CFFCompiler(cff); - return compiler.compile(); - } -}; - -var CFFFont = (function CFFFontClosure() { - function CFFFont(file, properties) { - this.properties = properties; - - var parser = new CFFParser(file, properties); - this.cff = parser.parse(); - var compiler = new CFFCompiler(this.cff); - this.seacs = this.cff.seacs; - try { - this.data = compiler.compile(); - } catch (e) { - warn('Failed to compile font ' + properties.loadedName); - // There may have just been an issue with the compiler, set the data - // anyway and hope the font loaded. - this.data = file; - } - } - - CFFFont.prototype = { - get numGlyphs() { - return this.cff.charStrings.count; - }, - getCharset: function CFFFont_getCharset() { - return this.cff.charset.charset; - }, - getGlyphMapping: function CFFFont_getGlyphMapping() { - var cff = this.cff; - var properties = this.properties; - var charsets = cff.charset.charset; - var charCodeToGlyphId; - var glyphId; - - if (properties.composite) { - charCodeToGlyphId = Object.create(null); - if (cff.isCIDFont) { - // If the font is actually a CID font then we should use the charset - // to map CIDs to GIDs. - for (glyphId = 0; glyphId < charsets.length; glyphId++) { - var cid = charsets[glyphId]; - var charCode = properties.cMap.charCodeOf(cid); - charCodeToGlyphId[charCode] = glyphId; - } - } else { - // If it is NOT actually a CID font then CIDs should be mapped - // directly to GIDs. - for (glyphId = 0; glyphId < cff.charStrings.count; glyphId++) { - charCodeToGlyphId[glyphId] = glyphId; - } - } - return charCodeToGlyphId; - } - - var encoding = cff.encoding ? cff.encoding.encoding : null; - charCodeToGlyphId = type1FontGlyphMapping(properties, encoding, charsets); - return charCodeToGlyphId; - } - }; - - return CFFFont; -})(); - -var CFFParser = (function CFFParserClosure() { - var CharstringValidationData = [ - null, - { id: 'hstem', min: 2, stackClearing: true, stem: true }, - null, - { id: 'vstem', min: 2, stackClearing: true, stem: true }, - { id: 'vmoveto', min: 1, stackClearing: true }, - { id: 'rlineto', min: 2, resetStack: true }, - { id: 'hlineto', min: 1, resetStack: true }, - { id: 'vlineto', min: 1, resetStack: true }, - { id: 'rrcurveto', min: 6, resetStack: true }, - null, - { id: 'callsubr', min: 1, undefStack: true }, - { id: 'return', min: 0, undefStack: true }, - null, // 12 - null, - { id: 'endchar', min: 0, stackClearing: true }, - null, - null, - null, - { id: 'hstemhm', min: 2, stackClearing: true, stem: true }, - { id: 'hintmask', min: 0, stackClearing: true }, - { id: 'cntrmask', min: 0, stackClearing: true }, - { id: 'rmoveto', min: 2, stackClearing: true }, - { id: 'hmoveto', min: 1, stackClearing: true }, - { id: 'vstemhm', min: 2, stackClearing: true, stem: true }, - { id: 'rcurveline', min: 8, resetStack: true }, - { id: 'rlinecurve', min: 8, resetStack: true }, - { id: 'vvcurveto', min: 4, resetStack: true }, - { id: 'hhcurveto', min: 4, resetStack: true }, - null, // shortint - { id: 'callgsubr', min: 1, undefStack: true }, - { id: 'vhcurveto', min: 4, resetStack: true }, - { id: 'hvcurveto', min: 4, resetStack: true } - ]; - var CharstringValidationData12 = [ - null, - null, - null, - { id: 'and', min: 2, stackDelta: -1 }, - { id: 'or', min: 2, stackDelta: -1 }, - { id: 'not', min: 1, stackDelta: 0 }, - null, - null, - null, - { id: 'abs', min: 1, stackDelta: 0 }, - { id: 'add', min: 2, stackDelta: -1, - stackFn: function stack_div(stack, index) { - stack[index - 2] = stack[index - 2] + stack[index - 1]; - } - }, - { id: 'sub', min: 2, stackDelta: -1, - stackFn: function stack_div(stack, index) { - stack[index - 2] = stack[index - 2] - stack[index - 1]; - } - }, - { id: 'div', min: 2, stackDelta: -1, - stackFn: function stack_div(stack, index) { - stack[index - 2] = stack[index - 2] / stack[index - 1]; - } - }, - null, - { id: 'neg', min: 1, stackDelta: 0, - stackFn: function stack_div(stack, index) { - stack[index - 1] = -stack[index - 1]; - } - }, - { id: 'eq', min: 2, stackDelta: -1 }, - null, - null, - { id: 'drop', min: 1, stackDelta: -1 }, - null, - { id: 'put', min: 2, stackDelta: -2 }, - { id: 'get', min: 1, stackDelta: 0 }, - { id: 'ifelse', min: 4, stackDelta: -3 }, - { id: 'random', min: 0, stackDelta: 1 }, - { id: 'mul', min: 2, stackDelta: -1, - stackFn: function stack_div(stack, index) { - stack[index - 2] = stack[index - 2] * stack[index - 1]; - } - }, - null, - { id: 'sqrt', min: 1, stackDelta: 0 }, - { id: 'dup', min: 1, stackDelta: 1 }, - { id: 'exch', min: 2, stackDelta: 0 }, - { id: 'index', min: 2, stackDelta: 0 }, - { id: 'roll', min: 3, stackDelta: -2 }, - null, - null, - null, - { id: 'hflex', min: 7, resetStack: true }, - { id: 'flex', min: 13, resetStack: true }, - { id: 'hflex1', min: 9, resetStack: true }, - { id: 'flex1', min: 11, resetStack: true } - ]; - - function CFFParser(file, properties) { - this.bytes = file.getBytes(); - this.properties = properties; - } - CFFParser.prototype = { - parse: function CFFParser_parse() { - var properties = this.properties; - var cff = new CFF(); - this.cff = cff; - - // The first five sections must be in order, all the others are reached - // via offsets contained in one of the below. - var header = this.parseHeader(); - var nameIndex = this.parseIndex(header.endPos); - var topDictIndex = this.parseIndex(nameIndex.endPos); - var stringIndex = this.parseIndex(topDictIndex.endPos); - var globalSubrIndex = this.parseIndex(stringIndex.endPos); - - var topDictParsed = this.parseDict(topDictIndex.obj.get(0)); - var topDict = this.createDict(CFFTopDict, topDictParsed, cff.strings); - - cff.header = header.obj; - cff.names = this.parseNameIndex(nameIndex.obj); - cff.strings = this.parseStringIndex(stringIndex.obj); - cff.topDict = topDict; - cff.globalSubrIndex = globalSubrIndex.obj; - - this.parsePrivateDict(cff.topDict); - - cff.isCIDFont = topDict.hasName('ROS'); - - var charStringOffset = topDict.getByName('CharStrings'); - var charStringsAndSeacs = this.parseCharStrings(charStringOffset); - cff.charStrings = charStringsAndSeacs.charStrings; - cff.seacs = charStringsAndSeacs.seacs; - cff.widths = charStringsAndSeacs.widths; - - var fontMatrix = topDict.getByName('FontMatrix'); - if (fontMatrix) { - properties.fontMatrix = fontMatrix; - } - - var fontBBox = topDict.getByName('FontBBox'); - if (fontBBox) { - // adjusting ascent/descent - properties.ascent = fontBBox[3]; - properties.descent = fontBBox[1]; - properties.ascentScaled = true; - } - - var charset, encoding; - if (cff.isCIDFont) { - var fdArrayIndex = this.parseIndex(topDict.getByName('FDArray')).obj; - for (var i = 0, ii = fdArrayIndex.count; i < ii; ++i) { - var dictRaw = fdArrayIndex.get(i); - var fontDict = this.createDict(CFFTopDict, this.parseDict(dictRaw), - cff.strings); - this.parsePrivateDict(fontDict); - cff.fdArray.push(fontDict); - } - // cid fonts don't have an encoding - encoding = null; - charset = this.parseCharsets(topDict.getByName('charset'), - cff.charStrings.count, cff.strings, true); - cff.fdSelect = this.parseFDSelect(topDict.getByName('FDSelect'), - cff.charStrings.count); - } else { - charset = this.parseCharsets(topDict.getByName('charset'), - cff.charStrings.count, cff.strings, false); - encoding = this.parseEncoding(topDict.getByName('Encoding'), - properties, - cff.strings, charset.charset); - } - cff.charset = charset; - cff.encoding = encoding; - - return cff; - }, - parseHeader: function CFFParser_parseHeader() { - var bytes = this.bytes; - var bytesLength = bytes.length; - var offset = 0; - - // Prevent an infinite loop, by checking that the offset is within the - // bounds of the bytes array. Necessary in empty, or invalid, font files. - while (offset < bytesLength && bytes[offset] !== 1) { - ++offset; - } - if (offset >= bytesLength) { - error('Invalid CFF header'); - } else if (offset !== 0) { - info('cff data is shifted'); - bytes = bytes.subarray(offset); - this.bytes = bytes; - } - var major = bytes[0]; - var minor = bytes[1]; - var hdrSize = bytes[2]; - var offSize = bytes[3]; - var header = new CFFHeader(major, minor, hdrSize, offSize); - return { obj: header, endPos: hdrSize }; - }, - parseDict: function CFFParser_parseDict(dict) { - var pos = 0; - - function parseOperand() { - var value = dict[pos++]; - if (value === 30) { - return parseFloatOperand(pos); - } else if (value === 28) { - value = dict[pos++]; - value = ((value << 24) | (dict[pos++] << 16)) >> 16; - return value; - } else if (value === 29) { - value = dict[pos++]; - value = (value << 8) | dict[pos++]; - value = (value << 8) | dict[pos++]; - value = (value << 8) | dict[pos++]; - return value; - } else if (value >= 32 && value <= 246) { - return value - 139; - } else if (value >= 247 && value <= 250) { - return ((value - 247) * 256) + dict[pos++] + 108; - } else if (value >= 251 && value <= 254) { - return -((value - 251) * 256) - dict[pos++] - 108; - } else { - error('255 is not a valid DICT command'); - } - return -1; - } - - function parseFloatOperand() { - var str = ''; - var eof = 15; - var lookup = ['0', '1', '2', '3', '4', '5', '6', '7', '8', - '9', '.', 'E', 'E-', null, '-']; - var length = dict.length; - while (pos < length) { - var b = dict[pos++]; - var b1 = b >> 4; - var b2 = b & 15; - - if (b1 === eof) { - break; - } - str += lookup[b1]; - - if (b2 === eof) { - break; - } - str += lookup[b2]; - } - return parseFloat(str); - } - - var operands = []; - var entries = []; - - pos = 0; - var end = dict.length; - while (pos < end) { - var b = dict[pos]; - if (b <= 21) { - if (b === 12) { - b = (b << 8) | dict[++pos]; - } - entries.push([b, operands]); - operands = []; - ++pos; - } else { - operands.push(parseOperand()); - } - } - return entries; - }, - parseIndex: function CFFParser_parseIndex(pos) { - var cffIndex = new CFFIndex(); - var bytes = this.bytes; - var count = (bytes[pos++] << 8) | bytes[pos++]; - var offsets = []; - var end = pos; - var i, ii; - - if (count !== 0) { - var offsetSize = bytes[pos++]; - // add 1 for offset to determine size of last object - var startPos = pos + ((count + 1) * offsetSize) - 1; - - for (i = 0, ii = count + 1; i < ii; ++i) { - var offset = 0; - for (var j = 0; j < offsetSize; ++j) { - offset <<= 8; - offset += bytes[pos++]; - } - offsets.push(startPos + offset); - } - end = offsets[count]; - } - for (i = 0, ii = offsets.length - 1; i < ii; ++i) { - var offsetStart = offsets[i]; - var offsetEnd = offsets[i + 1]; - cffIndex.add(bytes.subarray(offsetStart, offsetEnd)); - } - return {obj: cffIndex, endPos: end}; - }, - parseNameIndex: function CFFParser_parseNameIndex(index) { - var names = []; - for (var i = 0, ii = index.count; i < ii; ++i) { - var name = index.get(i); - // OTS doesn't allow names to be over 127 characters. - var length = Math.min(name.length, 127); - var data = []; - // OTS also only permits certain characters in the name. - for (var j = 0; j < length; ++j) { - var c = name[j]; - if (j === 0 && c === 0) { - data[j] = c; - continue; - } - if ((c < 33 || c > 126) || c === 91 /* [ */ || c === 93 /* ] */ || - c === 40 /* ( */ || c === 41 /* ) */ || c === 123 /* { */ || - c === 125 /* } */ || c === 60 /* < */ || c === 62 /* > */ || - c === 47 /* / */ || c === 37 /* % */ || c === 35 /* # */) { - data[j] = 95; - continue; - } - data[j] = c; - } - names.push(bytesToString(data)); - } - return names; - }, - parseStringIndex: function CFFParser_parseStringIndex(index) { - var strings = new CFFStrings(); - for (var i = 0, ii = index.count; i < ii; ++i) { - var data = index.get(i); - strings.add(bytesToString(data)); - } - return strings; - }, - createDict: function CFFParser_createDict(Type, dict, strings) { - var cffDict = new Type(strings); - for (var i = 0, ii = dict.length; i < ii; ++i) { - var pair = dict[i]; - var key = pair[0]; - var value = pair[1]; - cffDict.setByKey(key, value); - } - return cffDict; - }, - parseCharStrings: function CFFParser_parseCharStrings(charStringOffset) { - var charStrings = this.parseIndex(charStringOffset).obj; - var seacs = []; - var widths = []; - var count = charStrings.count; - for (var i = 0; i < count; i++) { - var charstring = charStrings.get(i); - - var stackSize = 0; - var stack = []; - var undefStack = true; - var hints = 0; - var valid = true; - var data = charstring; - var length = data.length; - var firstStackClearing = true; - for (var j = 0; j < length;) { - var value = data[j++]; - var validationCommand = null; - if (value === 12) { - var q = data[j++]; - if (q === 0) { - // The CFF specification state that the 'dotsection' command - // (12, 0) is deprecated and treated as a no-op, but all Type2 - // charstrings processors should support them. Unfortunately - // the font sanitizer don't. As a workaround the sequence (12, 0) - // is replaced by a useless (0, hmoveto). - data[j - 2] = 139; - data[j - 1] = 22; - stackSize = 0; - } else { - validationCommand = CharstringValidationData12[q]; - } - } else if (value === 28) { // number (16 bit) - stack[stackSize] = ((data[j] << 24) | (data[j + 1] << 16)) >> 16; - j += 2; - stackSize++; - } else if (value === 14) { - if (stackSize >= 4) { - stackSize -= 4; - if (SEAC_ANALYSIS_ENABLED) { - seacs[i] = stack.slice(stackSize, stackSize + 4); - valid = false; - } - } - validationCommand = CharstringValidationData[value]; - } else if (value >= 32 && value <= 246) { // number - stack[stackSize] = value - 139; - stackSize++; - } else if (value >= 247 && value <= 254) { // number (+1 bytes) - stack[stackSize] = (value < 251 ? - ((value - 247) << 8) + data[j] + 108 : - -((value - 251) << 8) - data[j] - 108); - j++; - stackSize++; - } else if (value === 255) { // number (32 bit) - stack[stackSize] = ((data[j] << 24) | (data[j + 1] << 16) | - (data[j + 2] << 8) | data[j + 3]) / 65536; - j += 4; - stackSize++; - } else if (value === 19 || value === 20) { - hints += stackSize >> 1; - j += (hints + 7) >> 3; // skipping right amount of hints flag data - stackSize %= 2; - validationCommand = CharstringValidationData[value]; - } else { - validationCommand = CharstringValidationData[value]; - } - if (validationCommand) { - if (validationCommand.stem) { - hints += stackSize >> 1; - } - if ('min' in validationCommand) { - if (!undefStack && stackSize < validationCommand.min) { - warn('Not enough parameters for ' + validationCommand.id + - '; actual: ' + stackSize + - ', expected: ' + validationCommand.min); - valid = false; - break; - } - } - if (firstStackClearing && validationCommand.stackClearing) { - firstStackClearing = false; - // the optional character width can be found before the first - // stack-clearing command arguments - stackSize -= validationCommand.min; - if (stackSize >= 2 && validationCommand.stem) { - // there are even amount of arguments for stem commands - stackSize %= 2; - } else if (stackSize > 1) { - warn('Found too many parameters for stack-clearing command'); - } - if (stackSize > 0 && stack[stackSize - 1] >= 0) { - widths[i] = stack[stackSize - 1]; - } - } - if ('stackDelta' in validationCommand) { - if ('stackFn' in validationCommand) { - validationCommand.stackFn(stack, stackSize); - } - stackSize += validationCommand.stackDelta; - } else if (validationCommand.stackClearing) { - stackSize = 0; - } else if (validationCommand.resetStack) { - stackSize = 0; - undefStack = false; - } else if (validationCommand.undefStack) { - stackSize = 0; - undefStack = true; - firstStackClearing = false; - } - } - } - if (!valid) { - // resetting invalid charstring to single 'endchar' - charStrings.set(i, new Uint8Array([14])); - } - } - return { charStrings: charStrings, seacs: seacs, widths: widths }; - }, - emptyPrivateDictionary: - function CFFParser_emptyPrivateDictionary(parentDict) { - var privateDict = this.createDict(CFFPrivateDict, [], - parentDict.strings); - parentDict.setByKey(18, [0, 0]); - parentDict.privateDict = privateDict; - }, - parsePrivateDict: function CFFParser_parsePrivateDict(parentDict) { - // no private dict, do nothing - if (!parentDict.hasName('Private')) { - this.emptyPrivateDictionary(parentDict); - return; - } - var privateOffset = parentDict.getByName('Private'); - // make sure the params are formatted correctly - if (!isArray(privateOffset) || privateOffset.length !== 2) { - parentDict.removeByName('Private'); - return; - } - var size = privateOffset[0]; - var offset = privateOffset[1]; - // remove empty dicts or ones that refer to invalid location - if (size === 0 || offset >= this.bytes.length) { - this.emptyPrivateDictionary(parentDict); - return; - } - - var privateDictEnd = offset + size; - var dictData = this.bytes.subarray(offset, privateDictEnd); - var dict = this.parseDict(dictData); - var privateDict = this.createDict(CFFPrivateDict, dict, - parentDict.strings); - parentDict.privateDict = privateDict; - - // Parse the Subrs index also since it's relative to the private dict. - if (!privateDict.getByName('Subrs')) { - return; - } - var subrsOffset = privateDict.getByName('Subrs'); - var relativeOffset = offset + subrsOffset; - // Validate the offset. - if (subrsOffset === 0 || relativeOffset >= this.bytes.length) { - this.emptyPrivateDictionary(parentDict); - return; - } - var subrsIndex = this.parseIndex(relativeOffset); - privateDict.subrsIndex = subrsIndex.obj; - }, - parseCharsets: function CFFParser_parseCharsets(pos, length, strings, cid) { - if (pos === 0) { - return new CFFCharset(true, CFFCharsetPredefinedTypes.ISO_ADOBE, - ISOAdobeCharset); - } else if (pos === 1) { - return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT, - ExpertCharset); - } else if (pos === 2) { - return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT_SUBSET, - ExpertSubsetCharset); - } - - var bytes = this.bytes; - var start = pos; - var format = bytes[pos++]; - var charset = ['.notdef']; - var id, count, i; - - // subtract 1 for the .notdef glyph - length -= 1; - - switch (format) { - case 0: - for (i = 0; i < length; i++) { - id = (bytes[pos++] << 8) | bytes[pos++]; - charset.push(cid ? id : strings.get(id)); - } - break; - case 1: - while (charset.length <= length) { - id = (bytes[pos++] << 8) | bytes[pos++]; - count = bytes[pos++]; - for (i = 0; i <= count; i++) { - charset.push(cid ? id++ : strings.get(id++)); - } - } - break; - case 2: - while (charset.length <= length) { - id = (bytes[pos++] << 8) | bytes[pos++]; - count = (bytes[pos++] << 8) | bytes[pos++]; - for (i = 0; i <= count; i++) { - charset.push(cid ? id++ : strings.get(id++)); - } - } - break; - default: - error('Unknown charset format'); - } - // Raw won't be needed if we actually compile the charset. - var end = pos; - var raw = bytes.subarray(start, end); - - return new CFFCharset(false, format, charset, raw); - }, - parseEncoding: function CFFParser_parseEncoding(pos, - properties, - strings, - charset) { - var encoding = {}; - var bytes = this.bytes; - var predefined = false; - var hasSupplement = false; - var format, i, ii; - var raw = null; - - function readSupplement() { - var supplementsCount = bytes[pos++]; - for (i = 0; i < supplementsCount; i++) { - var code = bytes[pos++]; - var sid = (bytes[pos++] << 8) + (bytes[pos++] & 0xff); - encoding[code] = charset.indexOf(strings.get(sid)); - } - } - - if (pos === 0 || pos === 1) { - predefined = true; - format = pos; - var baseEncoding = pos ? Encodings.ExpertEncoding : - Encodings.StandardEncoding; - for (i = 0, ii = charset.length; i < ii; i++) { - var index = baseEncoding.indexOf(charset[i]); - if (index !== -1) { - encoding[index] = i; - } - } - } else { - var dataStart = pos; - format = bytes[pos++]; - switch (format & 0x7f) { - case 0: - var glyphsCount = bytes[pos++]; - for (i = 1; i <= glyphsCount; i++) { - encoding[bytes[pos++]] = i; - } - break; - - case 1: - var rangesCount = bytes[pos++]; - var gid = 1; - for (i = 0; i < rangesCount; i++) { - var start = bytes[pos++]; - var left = bytes[pos++]; - for (var j = start; j <= start + left; j++) { - encoding[j] = gid++; - } - } - break; - - default: - error('Unknow encoding format: ' + format + ' in CFF'); - break; - } - var dataEnd = pos; - if (format & 0x80) { - // The font sanitizer does not support CFF encoding with a - // supplement, since the encoding is not really used to map - // between gid to glyph, let's overwrite what is declared in - // the top dictionary to let the sanitizer think the font use - // StandardEncoding, that's a lie but that's ok. - bytes[dataStart] &= 0x7f; - readSupplement(); - hasSupplement = true; - } - raw = bytes.subarray(dataStart, dataEnd); - } - format = format & 0x7f; - return new CFFEncoding(predefined, format, encoding, raw); - }, - parseFDSelect: function CFFParser_parseFDSelect(pos, length) { - var start = pos; - var bytes = this.bytes; - var format = bytes[pos++]; - var fdSelect = []; - var i; - - switch (format) { - case 0: - for (i = 0; i < length; ++i) { - var id = bytes[pos++]; - fdSelect.push(id); - } - break; - case 3: - var rangesCount = (bytes[pos++] << 8) | bytes[pos++]; - for (i = 0; i < rangesCount; ++i) { - var first = (bytes[pos++] << 8) | bytes[pos++]; - var fdIndex = bytes[pos++]; - var next = (bytes[pos] << 8) | bytes[pos + 1]; - for (var j = first; j < next; ++j) { - fdSelect.push(fdIndex); - } - } - // Advance past the sentinel(next). - pos += 2; - break; - default: - error('Unknown fdselect format ' + format); - break; - } - var end = pos; - return new CFFFDSelect(fdSelect, bytes.subarray(start, end)); - } - }; - return CFFParser; -})(); - -// Compact Font Format -var CFF = (function CFFClosure() { - function CFF() { - this.header = null; - this.names = []; - this.topDict = null; - this.strings = new CFFStrings(); - this.globalSubrIndex = null; - - // The following could really be per font, but since we only have one font - // store them here. - this.encoding = null; - this.charset = null; - this.charStrings = null; - this.fdArray = []; - this.fdSelect = null; - - this.isCIDFont = false; - } - return CFF; -})(); - -var CFFHeader = (function CFFHeaderClosure() { - function CFFHeader(major, minor, hdrSize, offSize) { - this.major = major; - this.minor = minor; - this.hdrSize = hdrSize; - this.offSize = offSize; - } - return CFFHeader; -})(); - -var CFFStrings = (function CFFStringsClosure() { - function CFFStrings() { - this.strings = []; - } - CFFStrings.prototype = { - get: function CFFStrings_get(index) { - if (index >= 0 && index <= 390) { - return CFFStandardStrings[index]; - } - if (index - 391 <= this.strings.length) { - return this.strings[index - 391]; - } - return CFFStandardStrings[0]; - }, - add: function CFFStrings_add(value) { - this.strings.push(value); - }, - get count() { - return this.strings.length; - } - }; - return CFFStrings; -})(); - -var CFFIndex = (function CFFIndexClosure() { - function CFFIndex() { - this.objects = []; - this.length = 0; - } - CFFIndex.prototype = { - add: function CFFIndex_add(data) { - this.length += data.length; - this.objects.push(data); - }, - set: function CFFIndex_set(index, data) { - this.length += data.length - this.objects[index].length; - this.objects[index] = data; - }, - get: function CFFIndex_get(index) { - return this.objects[index]; - }, - get count() { - return this.objects.length; - } - }; - return CFFIndex; -})(); - -var CFFDict = (function CFFDictClosure() { - function CFFDict(tables, strings) { - this.keyToNameMap = tables.keyToNameMap; - this.nameToKeyMap = tables.nameToKeyMap; - this.defaults = tables.defaults; - this.types = tables.types; - this.opcodes = tables.opcodes; - this.order = tables.order; - this.strings = strings; - this.values = {}; - } - CFFDict.prototype = { - // value should always be an array - setByKey: function CFFDict_setByKey(key, value) { - if (!(key in this.keyToNameMap)) { - return false; - } - // ignore empty values - if (value.length === 0) { - return true; - } - var type = this.types[key]; - // remove the array wrapping these types of values - if (type === 'num' || type === 'sid' || type === 'offset') { - value = value[0]; - } - this.values[key] = value; - return true; - }, - setByName: function CFFDict_setByName(name, value) { - if (!(name in this.nameToKeyMap)) { - error('Invalid dictionary name "' + name + '"'); - } - this.values[this.nameToKeyMap[name]] = value; - }, - hasName: function CFFDict_hasName(name) { - return this.nameToKeyMap[name] in this.values; - }, - getByName: function CFFDict_getByName(name) { - if (!(name in this.nameToKeyMap)) { - error('Invalid dictionary name "' + name + '"'); - } - var key = this.nameToKeyMap[name]; - if (!(key in this.values)) { - return this.defaults[key]; - } - return this.values[key]; - }, - removeByName: function CFFDict_removeByName(name) { - delete this.values[this.nameToKeyMap[name]]; - } - }; - CFFDict.createTables = function CFFDict_createTables(layout) { - var tables = { - keyToNameMap: {}, - nameToKeyMap: {}, - defaults: {}, - types: {}, - opcodes: {}, - order: [] - }; - for (var i = 0, ii = layout.length; i < ii; ++i) { - var entry = layout[i]; - var key = isArray(entry[0]) ? (entry[0][0] << 8) + entry[0][1] : entry[0]; - tables.keyToNameMap[key] = entry[1]; - tables.nameToKeyMap[entry[1]] = key; - tables.types[key] = entry[2]; - tables.defaults[key] = entry[3]; - tables.opcodes[key] = isArray(entry[0]) ? entry[0] : [entry[0]]; - tables.order.push(key); - } - return tables; - }; - return CFFDict; -})(); - -var CFFTopDict = (function CFFTopDictClosure() { - var layout = [ - [[12, 30], 'ROS', ['sid', 'sid', 'num'], null], - [[12, 20], 'SyntheticBase', 'num', null], - [0, 'version', 'sid', null], - [1, 'Notice', 'sid', null], - [[12, 0], 'Copyright', 'sid', null], - [2, 'FullName', 'sid', null], - [3, 'FamilyName', 'sid', null], - [4, 'Weight', 'sid', null], - [[12, 1], 'isFixedPitch', 'num', 0], - [[12, 2], 'ItalicAngle', 'num', 0], - [[12, 3], 'UnderlinePosition', 'num', -100], - [[12, 4], 'UnderlineThickness', 'num', 50], - [[12, 5], 'PaintType', 'num', 0], - [[12, 6], 'CharstringType', 'num', 2], - [[12, 7], 'FontMatrix', ['num', 'num', 'num', 'num', 'num', 'num'], - [0.001, 0, 0, 0.001, 0, 0]], - [13, 'UniqueID', 'num', null], - [5, 'FontBBox', ['num', 'num', 'num', 'num'], [0, 0, 0, 0]], - [[12, 8], 'StrokeWidth', 'num', 0], - [14, 'XUID', 'array', null], - [15, 'charset', 'offset', 0], - [16, 'Encoding', 'offset', 0], - [17, 'CharStrings', 'offset', 0], - [18, 'Private', ['offset', 'offset'], null], - [[12, 21], 'PostScript', 'sid', null], - [[12, 22], 'BaseFontName', 'sid', null], - [[12, 23], 'BaseFontBlend', 'delta', null], - [[12, 31], 'CIDFontVersion', 'num', 0], - [[12, 32], 'CIDFontRevision', 'num', 0], - [[12, 33], 'CIDFontType', 'num', 0], - [[12, 34], 'CIDCount', 'num', 8720], - [[12, 35], 'UIDBase', 'num', null], - // XXX: CID Fonts on DirectWrite 6.1 only seem to work if FDSelect comes - // before FDArray. - [[12, 37], 'FDSelect', 'offset', null], - [[12, 36], 'FDArray', 'offset', null], - [[12, 38], 'FontName', 'sid', null] - ]; - var tables = null; - function CFFTopDict(strings) { - if (tables === null) { - tables = CFFDict.createTables(layout); - } - CFFDict.call(this, tables, strings); - this.privateDict = null; - } - CFFTopDict.prototype = Object.create(CFFDict.prototype); - return CFFTopDict; -})(); - -var CFFPrivateDict = (function CFFPrivateDictClosure() { - var layout = [ - [6, 'BlueValues', 'delta', null], - [7, 'OtherBlues', 'delta', null], - [8, 'FamilyBlues', 'delta', null], - [9, 'FamilyOtherBlues', 'delta', null], - [[12, 9], 'BlueScale', 'num', 0.039625], - [[12, 10], 'BlueShift', 'num', 7], - [[12, 11], 'BlueFuzz', 'num', 1], - [10, 'StdHW', 'num', null], - [11, 'StdVW', 'num', null], - [[12, 12], 'StemSnapH', 'delta', null], - [[12, 13], 'StemSnapV', 'delta', null], - [[12, 14], 'ForceBold', 'num', 0], - [[12, 17], 'LanguageGroup', 'num', 0], - [[12, 18], 'ExpansionFactor', 'num', 0.06], - [[12, 19], 'initialRandomSeed', 'num', 0], - [20, 'defaultWidthX', 'num', 0], - [21, 'nominalWidthX', 'num', 0], - [19, 'Subrs', 'offset', null] - ]; - var tables = null; - function CFFPrivateDict(strings) { - if (tables === null) { - tables = CFFDict.createTables(layout); - } - CFFDict.call(this, tables, strings); - this.subrsIndex = null; - } - CFFPrivateDict.prototype = Object.create(CFFDict.prototype); - return CFFPrivateDict; -})(); - -var CFFCharsetPredefinedTypes = { - ISO_ADOBE: 0, - EXPERT: 1, - EXPERT_SUBSET: 2 -}; -var CFFCharset = (function CFFCharsetClosure() { - function CFFCharset(predefined, format, charset, raw) { - this.predefined = predefined; - this.format = format; - this.charset = charset; - this.raw = raw; - } - return CFFCharset; -})(); - -var CFFEncoding = (function CFFEncodingClosure() { - function CFFEncoding(predefined, format, encoding, raw) { - this.predefined = predefined; - this.format = format; - this.encoding = encoding; - this.raw = raw; - } - return CFFEncoding; -})(); - -var CFFFDSelect = (function CFFFDSelectClosure() { - function CFFFDSelect(fdSelect, raw) { - this.fdSelect = fdSelect; - this.raw = raw; - } - return CFFFDSelect; -})(); - -// Helper class to keep track of where an offset is within the data and helps -// filling in that offset once it's known. -var CFFOffsetTracker = (function CFFOffsetTrackerClosure() { - function CFFOffsetTracker() { - this.offsets = {}; - } - CFFOffsetTracker.prototype = { - isTracking: function CFFOffsetTracker_isTracking(key) { - return key in this.offsets; - }, - track: function CFFOffsetTracker_track(key, location) { - if (key in this.offsets) { - error('Already tracking location of ' + key); - } - this.offsets[key] = location; - }, - offset: function CFFOffsetTracker_offset(value) { - for (var key in this.offsets) { - this.offsets[key] += value; - } - }, - setEntryLocation: function CFFOffsetTracker_setEntryLocation(key, - values, - output) { - if (!(key in this.offsets)) { - error('Not tracking location of ' + key); - } - var data = output.data; - var dataOffset = this.offsets[key]; - var size = 5; - for (var i = 0, ii = values.length; i < ii; ++i) { - var offset0 = i * size + dataOffset; - var offset1 = offset0 + 1; - var offset2 = offset0 + 2; - var offset3 = offset0 + 3; - var offset4 = offset0 + 4; - // It's easy to screw up offsets so perform this sanity check. - if (data[offset0] !== 0x1d || data[offset1] !== 0 || - data[offset2] !== 0 || data[offset3] !== 0 || data[offset4] !== 0) { - error('writing to an offset that is not empty'); - } - var value = values[i]; - data[offset0] = 0x1d; - data[offset1] = (value >> 24) & 0xFF; - data[offset2] = (value >> 16) & 0xFF; - data[offset3] = (value >> 8) & 0xFF; - data[offset4] = value & 0xFF; - } - } - }; - return CFFOffsetTracker; -})(); - -// Takes a CFF and converts it to the binary representation. -var CFFCompiler = (function CFFCompilerClosure() { - function CFFCompiler(cff) { - this.cff = cff; - } - CFFCompiler.prototype = { - compile: function CFFCompiler_compile() { - var cff = this.cff; - var output = { - data: [], - length: 0, - add: function CFFCompiler_add(data) { - this.data = this.data.concat(data); - this.length = this.data.length; - } - }; - - // Compile the five entries that must be in order. - var header = this.compileHeader(cff.header); - output.add(header); - - var nameIndex = this.compileNameIndex(cff.names); - output.add(nameIndex); - - if (cff.isCIDFont) { - // The spec is unclear on how font matrices should relate to each other - // when there is one in the main top dict and the sub top dicts. - // Windows handles this differently than linux and osx so we have to - // normalize to work on all. - // Rules based off of some mailing list discussions: - // - If main font has a matrix and subfont doesn't, use the main matrix. - // - If no main font matrix and there is a subfont matrix, use the - // subfont matrix. - // - If both have matrices, concat together. - // - If neither have matrices, use default. - // To make this work on all platforms we move the top matrix into each - // sub top dict and concat if necessary. - if (cff.topDict.hasName('FontMatrix')) { - var base = cff.topDict.getByName('FontMatrix'); - cff.topDict.removeByName('FontMatrix'); - for (var i = 0, ii = cff.fdArray.length; i < ii; i++) { - var subDict = cff.fdArray[i]; - var matrix = base.slice(0); - if (subDict.hasName('FontMatrix')) { - matrix = Util.transform(matrix, subDict.getByName('FontMatrix')); - } - subDict.setByName('FontMatrix', matrix); - } - } - } - - var compiled = this.compileTopDicts([cff.topDict], - output.length, - cff.isCIDFont); - output.add(compiled.output); - var topDictTracker = compiled.trackers[0]; - - var stringIndex = this.compileStringIndex(cff.strings.strings); - output.add(stringIndex); - - var globalSubrIndex = this.compileIndex(cff.globalSubrIndex); - output.add(globalSubrIndex); - - // Now start on the other entries that have no specfic order. - if (cff.encoding && cff.topDict.hasName('Encoding')) { - if (cff.encoding.predefined) { - topDictTracker.setEntryLocation('Encoding', [cff.encoding.format], - output); - } else { - var encoding = this.compileEncoding(cff.encoding); - topDictTracker.setEntryLocation('Encoding', [output.length], output); - output.add(encoding); - } - } - - if (cff.charset && cff.topDict.hasName('charset')) { - if (cff.charset.predefined) { - topDictTracker.setEntryLocation('charset', [cff.charset.format], - output); - } else { - var charset = this.compileCharset(cff.charset); - topDictTracker.setEntryLocation('charset', [output.length], output); - output.add(charset); - } - } - - var charStrings = this.compileCharStrings(cff.charStrings); - topDictTracker.setEntryLocation('CharStrings', [output.length], output); - output.add(charStrings); - - if (cff.isCIDFont) { - // For some reason FDSelect must be in front of FDArray on windows. OSX - // and linux don't seem to care. - topDictTracker.setEntryLocation('FDSelect', [output.length], output); - var fdSelect = this.compileFDSelect(cff.fdSelect.raw); - output.add(fdSelect); - // It is unclear if the sub font dictionary can have CID related - // dictionary keys, but the sanitizer doesn't like them so remove them. - compiled = this.compileTopDicts(cff.fdArray, output.length, true); - topDictTracker.setEntryLocation('FDArray', [output.length], output); - output.add(compiled.output); - var fontDictTrackers = compiled.trackers; - - this.compilePrivateDicts(cff.fdArray, fontDictTrackers, output); - } - - this.compilePrivateDicts([cff.topDict], [topDictTracker], output); - - // If the font data ends with INDEX whose object data is zero-length, - // the sanitizer will bail out. Add a dummy byte to avoid that. - output.add([0]); - - return output.data; - }, - encodeNumber: function CFFCompiler_encodeNumber(value) { - if (parseFloat(value) === parseInt(value, 10) && !isNaN(value)) { // isInt - return this.encodeInteger(value); - } else { - return this.encodeFloat(value); - } - }, - encodeFloat: function CFFCompiler_encodeFloat(num) { - var value = num.toString(); - - // rounding inaccurate doubles - var m = /\.(\d*?)(?:9{5,20}|0{5,20})\d{0,2}(?:e(.+)|$)/.exec(value); - if (m) { - var epsilon = parseFloat('1e' + ((m[2] ? +m[2] : 0) + m[1].length)); - value = (Math.round(num * epsilon) / epsilon).toString(); - } - - var nibbles = ''; - var i, ii; - for (i = 0, ii = value.length; i < ii; ++i) { - var a = value[i]; - if (a === 'e') { - nibbles += value[++i] === '-' ? 'c' : 'b'; - } else if (a === '.') { - nibbles += 'a'; - } else if (a === '-') { - nibbles += 'e'; - } else { - nibbles += a; - } - } - nibbles += (nibbles.length & 1) ? 'f' : 'ff'; - var out = [30]; - for (i = 0, ii = nibbles.length; i < ii; i += 2) { - out.push(parseInt(nibbles.substr(i, 2), 16)); - } - return out; - }, - encodeInteger: function CFFCompiler_encodeInteger(value) { - var code; - if (value >= -107 && value <= 107) { - code = [value + 139]; - } else if (value >= 108 && value <= 1131) { - value = [value - 108]; - code = [(value >> 8) + 247, value & 0xFF]; - } else if (value >= -1131 && value <= -108) { - value = -value - 108; - code = [(value >> 8) + 251, value & 0xFF]; - } else if (value >= -32768 && value <= 32767) { - code = [0x1c, (value >> 8) & 0xFF, value & 0xFF]; - } else { - code = [0x1d, - (value >> 24) & 0xFF, - (value >> 16) & 0xFF, - (value >> 8) & 0xFF, - value & 0xFF]; - } - return code; - }, - compileHeader: function CFFCompiler_compileHeader(header) { - return [ - header.major, - header.minor, - header.hdrSize, - header.offSize - ]; - }, - compileNameIndex: function CFFCompiler_compileNameIndex(names) { - var nameIndex = new CFFIndex(); - for (var i = 0, ii = names.length; i < ii; ++i) { - nameIndex.add(stringToBytes(names[i])); - } - return this.compileIndex(nameIndex); - }, - compileTopDicts: function CFFCompiler_compileTopDicts(dicts, - length, - removeCidKeys) { - var fontDictTrackers = []; - var fdArrayIndex = new CFFIndex(); - for (var i = 0, ii = dicts.length; i < ii; ++i) { - var fontDict = dicts[i]; - if (removeCidKeys) { - fontDict.removeByName('CIDFontVersion'); - fontDict.removeByName('CIDFontRevision'); - fontDict.removeByName('CIDFontType'); - fontDict.removeByName('CIDCount'); - fontDict.removeByName('UIDBase'); - } - var fontDictTracker = new CFFOffsetTracker(); - var fontDictData = this.compileDict(fontDict, fontDictTracker); - fontDictTrackers.push(fontDictTracker); - fdArrayIndex.add(fontDictData); - fontDictTracker.offset(length); - } - fdArrayIndex = this.compileIndex(fdArrayIndex, fontDictTrackers); - return { - trackers: fontDictTrackers, - output: fdArrayIndex - }; - }, - compilePrivateDicts: function CFFCompiler_compilePrivateDicts(dicts, - trackers, - output) { - for (var i = 0, ii = dicts.length; i < ii; ++i) { - var fontDict = dicts[i]; - assert(fontDict.privateDict && fontDict.hasName('Private'), - 'There must be an private dictionary.'); - var privateDict = fontDict.privateDict; - var privateDictTracker = new CFFOffsetTracker(); - var privateDictData = this.compileDict(privateDict, privateDictTracker); - - var outputLength = output.length; - privateDictTracker.offset(outputLength); - if (!privateDictData.length) { - // The private dictionary was empty, set the output length to zero to - // ensure the offset length isn't out of bounds in the eyes of the - // sanitizer. - outputLength = 0; - } - - trackers[i].setEntryLocation('Private', - [privateDictData.length, outputLength], - output); - output.add(privateDictData); - - if (privateDict.subrsIndex && privateDict.hasName('Subrs')) { - var subrs = this.compileIndex(privateDict.subrsIndex); - privateDictTracker.setEntryLocation('Subrs', [privateDictData.length], - output); - output.add(subrs); - } - } - }, - compileDict: function CFFCompiler_compileDict(dict, offsetTracker) { - var out = []; - // The dictionary keys must be in a certain order. - var order = dict.order; - for (var i = 0; i < order.length; ++i) { - var key = order[i]; - if (!(key in dict.values)) { - continue; - } - var values = dict.values[key]; - var types = dict.types[key]; - if (!isArray(types)) { - types = [types]; - } - if (!isArray(values)) { - values = [values]; - } - - // Remove any empty dict values. - if (values.length === 0) { - continue; - } - - for (var j = 0, jj = types.length; j < jj; ++j) { - var type = types[j]; - var value = values[j]; - switch (type) { - case 'num': - case 'sid': - out = out.concat(this.encodeNumber(value)); - break; - case 'offset': - // For offsets we just insert a 32bit integer so we don't have to - // deal with figuring out the length of the offset when it gets - // replaced later on by the compiler. - var name = dict.keyToNameMap[key]; - // Some offsets have the offset and the length, so just record the - // position of the first one. - if (!offsetTracker.isTracking(name)) { - offsetTracker.track(name, out.length); - } - out = out.concat([0x1d, 0, 0, 0, 0]); - break; - case 'array': - case 'delta': - out = out.concat(this.encodeNumber(value)); - for (var k = 1, kk = values.length; k < kk; ++k) { - out = out.concat(this.encodeNumber(values[k])); - } - break; - default: - error('Unknown data type of ' + type); - break; - } - } - out = out.concat(dict.opcodes[key]); - } - return out; - }, - compileStringIndex: function CFFCompiler_compileStringIndex(strings) { - var stringIndex = new CFFIndex(); - for (var i = 0, ii = strings.length; i < ii; ++i) { - stringIndex.add(stringToBytes(strings[i])); - } - return this.compileIndex(stringIndex); - }, - compileGlobalSubrIndex: function CFFCompiler_compileGlobalSubrIndex() { - var globalSubrIndex = this.cff.globalSubrIndex; - this.out.writeByteArray(this.compileIndex(globalSubrIndex)); - }, - compileCharStrings: function CFFCompiler_compileCharStrings(charStrings) { - return this.compileIndex(charStrings); - }, - compileCharset: function CFFCompiler_compileCharset(charset) { - return this.compileTypedArray(charset.raw); - }, - compileEncoding: function CFFCompiler_compileEncoding(encoding) { - return this.compileTypedArray(encoding.raw); - }, - compileFDSelect: function CFFCompiler_compileFDSelect(fdSelect) { - return this.compileTypedArray(fdSelect); - }, - compileTypedArray: function CFFCompiler_compileTypedArray(data) { - var out = []; - for (var i = 0, ii = data.length; i < ii; ++i) { - out[i] = data[i]; - } - return out; - }, - compileIndex: function CFFCompiler_compileIndex(index, trackers) { - trackers = trackers || []; - var objects = index.objects; - // First 2 bytes contains the number of objects contained into this index - var count = objects.length; - - // If there is no object, just create an index. This technically - // should just be [0, 0] but OTS has an issue with that. - if (count === 0) { - return [0, 0, 0]; - } - - var data = [(count >> 8) & 0xFF, count & 0xff]; - - var lastOffset = 1, i; - for (i = 0; i < count; ++i) { - lastOffset += objects[i].length; - } - - var offsetSize; - if (lastOffset < 0x100) { - offsetSize = 1; - } else if (lastOffset < 0x10000) { - offsetSize = 2; - } else if (lastOffset < 0x1000000) { - offsetSize = 3; - } else { - offsetSize = 4; - } - - // Next byte contains the offset size use to reference object in the file - data.push(offsetSize); - - // Add another offset after this one because we need a new offset - var relativeOffset = 1; - for (i = 0; i < count + 1; i++) { - if (offsetSize === 1) { - data.push(relativeOffset & 0xFF); - } else if (offsetSize === 2) { - data.push((relativeOffset >> 8) & 0xFF, - relativeOffset & 0xFF); - } else if (offsetSize === 3) { - data.push((relativeOffset >> 16) & 0xFF, - (relativeOffset >> 8) & 0xFF, - relativeOffset & 0xFF); - } else { - data.push((relativeOffset >>> 24) & 0xFF, - (relativeOffset >> 16) & 0xFF, - (relativeOffset >> 8) & 0xFF, - relativeOffset & 0xFF); - } - - if (objects[i]) { - relativeOffset += objects[i].length; - } - } - - for (i = 0; i < count; i++) { - // Notify the tracker where the object will be offset in the data. - if (trackers[i]) { - trackers[i].offset(data.length); - } - for (var j = 0, jj = objects[i].length; j < jj; j++) { - data.push(objects[i][j]); - } - } - return data; - } - }; - return CFFCompiler; -})(); - -// Workaround for seac on Windows. -(function checkSeacSupport() { - if (/Windows/.test(navigator.userAgent)) { - SEAC_ANALYSIS_ENABLED = true; - } -})(); - -// Workaround for Private Use Area characters in Chrome on Windows -// http://code.google.com/p/chromium/issues/detail?id=122465 -// https://github.com/mozilla/pdf.js/issues/1689 -(function checkChromeWindows() { - if (/Windows.*Chrome/.test(navigator.userAgent)) { - SKIP_PRIVATE_USE_RANGE_F000_TO_F01F = true; - } -})(); - - -var FontRendererFactory = (function FontRendererFactoryClosure() { - function getLong(data, offset) { - return (data[offset] << 24) | (data[offset + 1] << 16) | - (data[offset + 2] << 8) | data[offset + 3]; - } - - function getUshort(data, offset) { - return (data[offset] << 8) | data[offset + 1]; - } - - function parseCmap(data, start, end) { - var offset = (getUshort(data, start + 2) === 1 ? - getLong(data, start + 8) : getLong(data, start + 16)); - var format = getUshort(data, start + offset); - var length, ranges, p, i; - if (format === 4) { - length = getUshort(data, start + offset + 2); - var segCount = getUshort(data, start + offset + 6) >> 1; - p = start + offset + 14; - ranges = []; - for (i = 0; i < segCount; i++, p += 2) { - ranges[i] = {end: getUshort(data, p)}; - } - p += 2; - for (i = 0; i < segCount; i++, p += 2) { - ranges[i].start = getUshort(data, p); - } - for (i = 0; i < segCount; i++, p += 2) { - ranges[i].idDelta = getUshort(data, p); - } - for (i = 0; i < segCount; i++, p += 2) { - var idOffset = getUshort(data, p); - if (idOffset === 0) { - continue; - } - ranges[i].ids = []; - for (var j = 0, jj = ranges[i].end - ranges[i].start + 1; j < jj; j++) { - ranges[i].ids[j] = getUshort(data, p + idOffset); - idOffset += 2; - } - } - return ranges; - } else if (format === 12) { - length = getLong(data, start + offset + 4); - var groups = getLong(data, start + offset + 12); - p = start + offset + 16; - ranges = []; - for (i = 0; i < groups; i++) { - ranges.push({ - start: getLong(data, p), - end: getLong(data, p + 4), - idDelta: getLong(data, p + 8) - getLong(data, p) - }); - p += 12; - } - return ranges; - } - error('not supported cmap: ' + format); - } - - function parseCff(data, start, end) { - var properties = {}; - var parser = new CFFParser(new Stream(data, start, end - start), - properties); - var cff = parser.parse(); - return { - glyphs: cff.charStrings.objects, - subrs: (cff.topDict.privateDict && cff.topDict.privateDict.subrsIndex && - cff.topDict.privateDict.subrsIndex.objects), - gsubrs: cff.globalSubrIndex && cff.globalSubrIndex.objects - }; - } - - function parseGlyfTable(glyf, loca, isGlyphLocationsLong) { - var itemSize, itemDecode; - if (isGlyphLocationsLong) { - itemSize = 4; - itemDecode = function fontItemDecodeLong(data, offset) { - return (data[offset] << 24) | (data[offset + 1] << 16) | - (data[offset + 2] << 8) | data[offset + 3]; - }; - } else { - itemSize = 2; - itemDecode = function fontItemDecode(data, offset) { - return (data[offset] << 9) | (data[offset + 1] << 1); - }; - } - var glyphs = []; - var startOffset = itemDecode(loca, 0); - for (var j = itemSize; j < loca.length; j += itemSize) { - var endOffset = itemDecode(loca, j); - glyphs.push(glyf.subarray(startOffset, endOffset)); - startOffset = endOffset; - } - return glyphs; - } - - function lookupCmap(ranges, unicode) { - var code = unicode.charCodeAt(0); - var l = 0, r = ranges.length - 1; - while (l < r) { - var c = (l + r + 1) >> 1; - if (code < ranges[c].start) { - r = c - 1; - } else { - l = c; - } - } - if (ranges[l].start <= code && code <= ranges[l].end) { - return (ranges[l].idDelta + (ranges[l].ids ? - ranges[l].ids[code - ranges[l].start] : code)) & 0xFFFF; - } - return 0; - } - - function compileGlyf(code, js, font) { - function moveTo(x, y) { - js.push('c.moveTo(' + x + ',' + y + ');'); - } - function lineTo(x, y) { - js.push('c.lineTo(' + x + ',' + y + ');'); - } - function quadraticCurveTo(xa, ya, x, y) { - js.push('c.quadraticCurveTo(' + xa + ',' + ya + ',' + - x + ',' + y + ');'); - } - - var i = 0; - var numberOfContours = ((code[i] << 24) | (code[i + 1] << 16)) >> 16; - var flags; - var x = 0, y = 0; - i += 10; - if (numberOfContours < 0) { - // composite glyph - do { - flags = (code[i] << 8) | code[i + 1]; - var glyphIndex = (code[i + 2] << 8) | code[i + 3]; - i += 4; - var arg1, arg2; - if ((flags & 0x01)) { - arg1 = ((code[i] << 24) | (code[i + 1] << 16)) >> 16; - arg2 = ((code[i + 2] << 24) | (code[i + 3] << 16)) >> 16; - i += 4; - } else { - arg1 = code[i++]; arg2 = code[i++]; - } - if ((flags & 0x02)) { - x = arg1; - y = arg2; - } else { - x = 0; y = 0; // TODO "they are points" ? - } - var scaleX = 1, scaleY = 1, scale01 = 0, scale10 = 0; - if ((flags & 0x08)) { - scaleX = - scaleY = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824; - i += 2; - } else if ((flags & 0x40)) { - scaleX = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824; - scaleY = ((code[i + 2] << 24) | (code[i + 3] << 16)) / 1073741824; - i += 4; - } else if ((flags & 0x80)) { - scaleX = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824; - scale01 = ((code[i + 2] << 24) | (code[i + 3] << 16)) / 1073741824; - scale10 = ((code[i + 4] << 24) | (code[i + 5] << 16)) / 1073741824; - scaleY = ((code[i + 6] << 24) | (code[i + 7] << 16)) / 1073741824; - i += 8; - } - var subglyph = font.glyphs[glyphIndex]; - if (subglyph) { - js.push('c.save();'); - js.push('c.transform(' + scaleX + ',' + scale01 + ',' + - scale10 + ',' + scaleY + ',' + x + ',' + y + ');'); - compileGlyf(subglyph, js, font); - js.push('c.restore();'); - } - } while ((flags & 0x20)); - } else { - // simple glyph - var endPtsOfContours = []; - var j, jj; - for (j = 0; j < numberOfContours; j++) { - endPtsOfContours.push((code[i] << 8) | code[i + 1]); - i += 2; - } - var instructionLength = (code[i] << 8) | code[i + 1]; - i += 2 + instructionLength; // skipping the instructions - var numberOfPoints = endPtsOfContours[endPtsOfContours.length - 1] + 1; - var points = []; - while (points.length < numberOfPoints) { - flags = code[i++]; - var repeat = 1; - if ((flags & 0x08)) { - repeat += code[i++]; - } - while (repeat-- > 0) { - points.push({flags: flags}); - } - } - for (j = 0; j < numberOfPoints; j++) { - switch (points[j].flags & 0x12) { - case 0x00: - x += ((code[i] << 24) | (code[i + 1] << 16)) >> 16; - i += 2; - break; - case 0x02: - x -= code[i++]; - break; - case 0x12: - x += code[i++]; - break; - } - points[j].x = x; - } - for (j = 0; j < numberOfPoints; j++) { - switch (points[j].flags & 0x24) { - case 0x00: - y += ((code[i] << 24) | (code[i + 1] << 16)) >> 16; - i += 2; - break; - case 0x04: - y -= code[i++]; - break; - case 0x24: - y += code[i++]; - break; - } - points[j].y = y; - } - - var startPoint = 0; - for (i = 0; i < numberOfContours; i++) { - var endPoint = endPtsOfContours[i]; - // contours might have implicit points, which is located in the middle - // between two neighboring off-curve points - var contour = points.slice(startPoint, endPoint + 1); - if ((contour[0].flags & 1)) { - contour.push(contour[0]); // using start point at the contour end - } else if ((contour[contour.length - 1].flags & 1)) { - // first is off-curve point, trying to use one from the end - contour.unshift(contour[contour.length - 1]); - } else { - // start and end are off-curve points, creating implicit one - var p = { - flags: 1, - x: (contour[0].x + contour[contour.length - 1].x) / 2, - y: (contour[0].y + contour[contour.length - 1].y) / 2 - }; - contour.unshift(p); - contour.push(p); - } - moveTo(contour[0].x, contour[0].y); - for (j = 1, jj = contour.length; j < jj; j++) { - if ((contour[j].flags & 1)) { - lineTo(contour[j].x, contour[j].y); - } else if ((contour[j + 1].flags & 1)){ - quadraticCurveTo(contour[j].x, contour[j].y, - contour[j + 1].x, contour[j + 1].y); - j++; - } else { - quadraticCurveTo(contour[j].x, contour[j].y, - (contour[j].x + contour[j + 1].x) / 2, - (contour[j].y + contour[j + 1].y) / 2); - } - } - startPoint = endPoint + 1; - } - } - } - - function compileCharString(code, js, font) { - var stack = []; - var x = 0, y = 0; - var stems = 0; - - function moveTo(x, y) { - js.push('c.moveTo(' + x + ',' + y + ');'); - } - function lineTo(x, y) { - js.push('c.lineTo(' + x + ',' + y + ');'); - } - function bezierCurveTo(x1, y1, x2, y2, x, y) { - js.push('c.bezierCurveTo(' + x1 + ',' + y1 + ',' + x2 + ',' + y2 + ',' + - x + ',' + y + ');'); - } - - function parse(code) { - var i = 0; - while (i < code.length) { - var stackClean = false; - var v = code[i++]; - var xa, xb, ya, yb, y1, y2, y3, n, subrCode; - switch (v) { - case 1: // hstem - stems += stack.length >> 1; - stackClean = true; - break; - case 3: // vstem - stems += stack.length >> 1; - stackClean = true; - break; - case 4: // vmoveto - y += stack.pop(); - moveTo(x, y); - stackClean = true; - break; - case 5: // rlineto - while (stack.length > 0) { - x += stack.shift(); - y += stack.shift(); - lineTo(x, y); - } - break; - case 6: // hlineto - while (stack.length > 0) { - x += stack.shift(); - lineTo(x, y); - if (stack.length === 0) { - break; - } - y += stack.shift(); - lineTo(x, y); - } - break; - case 7: // vlineto - while (stack.length > 0) { - y += stack.shift(); - lineTo(x, y); - if (stack.length === 0) { - break; - } - x += stack.shift(); - lineTo(x, y); - } - break; - case 8: // rrcurveto - while (stack.length > 0) { - xa = x + stack.shift(); ya = y + stack.shift(); - xb = xa + stack.shift(); yb = ya + stack.shift(); - x = xb + stack.shift(); y = yb + stack.shift(); - bezierCurveTo(xa, ya, xb, yb, x, y); - } - break; - case 10: // callsubr - n = stack.pop() + font.subrsBias; - subrCode = font.subrs[n]; - if (subrCode) { - parse(subrCode); - } - break; - case 11: // return - return; - case 12: - v = code[i++]; - switch (v) { - case 34: // flex - xa = x + stack.shift(); - xb = xa + stack.shift(); y1 = y + stack.shift(); - x = xb + stack.shift(); - bezierCurveTo(xa, y, xb, y1, x, y1); - xa = x + stack.shift(); - xb = xa + stack.shift(); - x = xb + stack.shift(); - bezierCurveTo(xa, y1, xb, y, x, y); - break; - case 35: // flex - xa = x + stack.shift(); ya = y + stack.shift(); - xb = xa + stack.shift(); yb = ya + stack.shift(); - x = xb + stack.shift(); y = yb + stack.shift(); - bezierCurveTo(xa, ya, xb, yb, x, y); - xa = x + stack.shift(); ya = y + stack.shift(); - xb = xa + stack.shift(); yb = ya + stack.shift(); - x = xb + stack.shift(); y = yb + stack.shift(); - bezierCurveTo(xa, ya, xb, yb, x, y); - stack.pop(); // fd - break; - case 36: // hflex1 - xa = x + stack.shift(); y1 = y + stack.shift(); - xb = xa + stack.shift(); y2 = y1 + stack.shift(); - x = xb + stack.shift(); - bezierCurveTo(xa, y1, xb, y2, x, y2); - xa = x + stack.shift(); - xb = xa + stack.shift(); y3 = y2 + stack.shift(); - x = xb + stack.shift(); - bezierCurveTo(xa, y2, xb, y3, x, y); - break; - case 37: // flex1 - var x0 = x, y0 = y; - xa = x + stack.shift(); ya = y + stack.shift(); - xb = xa + stack.shift(); yb = ya + stack.shift(); - x = xb + stack.shift(); y = yb + stack.shift(); - bezierCurveTo(xa, ya, xb, yb, x, y); - xa = x + stack.shift(); ya = y + stack.shift(); - xb = xa + stack.shift(); yb = ya + stack.shift(); - x = xb; y = yb; - if (Math.abs(x - x0) > Math.abs(y - y0)) { - x += stack.shift(); - } else { - y += stack.shift(); - } - bezierCurveTo(xa, ya, xb, yb, x, y); - break; - default: - error('unknown operator: 12 ' + v); - } - break; - case 14: // endchar - if (stack.length >= 4) { - var achar = stack.pop(); - var bchar = stack.pop(); - y = stack.pop(); - x = stack.pop(); - js.push('c.save();'); - js.push('c.translate('+ x + ',' + y + ');'); - var gid = lookupCmap(font.cmap, String.fromCharCode( - font.glyphNameMap[Encodings.StandardEncoding[achar]])); - compileCharString(font.glyphs[gid], js, font); - js.push('c.restore();'); - - gid = lookupCmap(font.cmap, String.fromCharCode( - font.glyphNameMap[Encodings.StandardEncoding[bchar]])); - compileCharString(font.glyphs[gid], js, font); - } - return; - case 18: // hstemhm - stems += stack.length >> 1; - stackClean = true; - break; - case 19: // hintmask - stems += stack.length >> 1; - i += (stems + 7) >> 3; - stackClean = true; - break; - case 20: // cntrmask - stems += stack.length >> 1; - i += (stems + 7) >> 3; - stackClean = true; - break; - case 21: // rmoveto - y += stack.pop(); - x += stack.pop(); - moveTo(x, y); - stackClean = true; - break; - case 22: // hmoveto - x += stack.pop(); - moveTo(x, y); - stackClean = true; - break; - case 23: // vstemhm - stems += stack.length >> 1; - stackClean = true; - break; - case 24: // rcurveline - while (stack.length > 2) { - xa = x + stack.shift(); ya = y + stack.shift(); - xb = xa + stack.shift(); yb = ya + stack.shift(); - x = xb + stack.shift(); y = yb + stack.shift(); - bezierCurveTo(xa, ya, xb, yb, x, y); - } - x += stack.shift(); - y += stack.shift(); - lineTo(x, y); - break; - case 25: // rlinecurve - while (stack.length > 6) { - x += stack.shift(); - y += stack.shift(); - lineTo(x, y); - } - xa = x + stack.shift(); ya = y + stack.shift(); - xb = xa + stack.shift(); yb = ya + stack.shift(); - x = xb + stack.shift(); y = yb + stack.shift(); - bezierCurveTo(xa, ya, xb, yb, x, y); - break; - case 26: // vvcurveto - if (stack.length % 2) { - x += stack.shift(); - } - while (stack.length > 0) { - xa = x; ya = y + stack.shift(); - xb = xa + stack.shift(); yb = ya + stack.shift(); - x = xb; y = yb + stack.shift(); - bezierCurveTo(xa, ya, xb, yb, x, y); - } - break; - case 27: // hhcurveto - if (stack.length % 2) { - y += stack.shift(); - } - while (stack.length > 0) { - xa = x + stack.shift(); ya = y; - xb = xa + stack.shift(); yb = ya + stack.shift(); - x = xb + stack.shift(); y = yb; - bezierCurveTo(xa, ya, xb, yb, x, y); - } - break; - case 28: - stack.push(((code[i] << 24) | (code[i + 1] << 16)) >> 16); - i += 2; - break; - case 29: // callgsubr - n = stack.pop() + font.gsubrsBias; - subrCode = font.gsubrs[n]; - if (subrCode) { - parse(subrCode); - } - break; - case 30: // vhcurveto - while (stack.length > 0) { - xa = x; ya = y + stack.shift(); - xb = xa + stack.shift(); yb = ya + stack.shift(); - x = xb + stack.shift(); - y = yb + (stack.length === 1 ? stack.shift() : 0); - bezierCurveTo(xa, ya, xb, yb, x, y); - if (stack.length === 0) { - break; - } - - xa = x + stack.shift(); ya = y; - xb = xa + stack.shift(); yb = ya + stack.shift(); - y = yb + stack.shift(); - x = xb + (stack.length === 1 ? stack.shift() : 0); - bezierCurveTo(xa, ya, xb, yb, x, y); - } - break; - case 31: // hvcurveto - while (stack.length > 0) { - xa = x + stack.shift(); ya = y; - xb = xa + stack.shift(); yb = ya + stack.shift(); - y = yb + stack.shift(); - x = xb + (stack.length === 1 ? stack.shift() : 0); - bezierCurveTo(xa, ya, xb, yb, x, y); - if (stack.length === 0) { - break; - } - - xa = x; ya = y + stack.shift(); - xb = xa + stack.shift(); yb = ya + stack.shift(); - x = xb + stack.shift(); - y = yb + (stack.length === 1 ? stack.shift() : 0); - bezierCurveTo(xa, ya, xb, yb, x, y); - } - break; - default: - if (v < 32) { - error('unknown operator: ' + v); - } - if (v < 247) { - stack.push(v - 139); - } else if (v < 251) { - stack.push((v - 247) * 256 + code[i++] + 108); - } else if (v < 255) { - stack.push(-(v - 251) * 256 - code[i++] - 108); - } else { - stack.push(((code[i] << 24) | (code[i + 1] << 16) | - (code[i + 2] << 8) | code[i + 3]) / 65536); - i += 4; - } - break; - } - if (stackClean) { - stack.length = 0; - } - } - } - parse(code); - } - - var noop = ''; - - function CompiledFont(fontMatrix) { - this.compiledGlyphs = {}; - this.fontMatrix = fontMatrix; - } - CompiledFont.prototype = { - getPathJs: function (unicode) { - var gid = lookupCmap(this.cmap, unicode); - var fn = this.compiledGlyphs[gid]; - if (!fn) { - this.compiledGlyphs[gid] = fn = this.compileGlyph(this.glyphs[gid]); - } - return fn; - }, - - compileGlyph: function (code) { - if (!code || code.length === 0 || code[0] === 14) { - return noop; - } - - var js = []; - js.push('c.save();'); - js.push('c.transform(' + this.fontMatrix.join(',') + ');'); - js.push('c.scale(size, -size);'); - - this.compileGlyphImpl(code, js); - - js.push('c.restore();'); - - return js.join('\n'); - }, - - compileGlyphImpl: function () { - error('Children classes should implement this.'); - }, - - hasBuiltPath: function (unicode) { - var gid = lookupCmap(this.cmap, unicode); - return gid in this.compiledGlyphs; - } - }; - - function TrueTypeCompiled(glyphs, cmap, fontMatrix) { - fontMatrix = fontMatrix || [0.000488, 0, 0, 0.000488, 0, 0]; - CompiledFont.call(this, fontMatrix); - - this.glyphs = glyphs; - this.cmap = cmap; - - this.compiledGlyphs = []; - } - - Util.inherit(TrueTypeCompiled, CompiledFont, { - compileGlyphImpl: function (code, js) { - compileGlyf(code, js, this); - } - }); - - function Type2Compiled(cffInfo, cmap, fontMatrix, glyphNameMap) { - fontMatrix = fontMatrix || [0.001, 0, 0, 0.001, 0, 0]; - CompiledFont.call(this, fontMatrix); - this.glyphs = cffInfo.glyphs; - this.gsubrs = cffInfo.gsubrs || []; - this.subrs = cffInfo.subrs || []; - this.cmap = cmap; - this.glyphNameMap = glyphNameMap || GlyphsUnicode; - - this.compiledGlyphs = []; - this.gsubrsBias = (this.gsubrs.length < 1240 ? - 107 : (this.gsubrs.length < 33900 ? 1131 : 32768)); - this.subrsBias = (this.subrs.length < 1240 ? - 107 : (this.subrs.length < 33900 ? 1131 : 32768)); +(function (root, factory) { + { + factory((root.pdfjsCoreGlyphList = {})); } - - Util.inherit(Type2Compiled, CompiledFont, { - compileGlyphImpl: function (code, js) { - compileCharString(code, js, this); - } - }); - - - return { - create: function FontRendererFactory_create(font) { - var data = new Uint8Array(font.data); - var cmap, glyf, loca, cff, indexToLocFormat, unitsPerEm; - var numTables = getUshort(data, 4); - for (var i = 0, p = 12; i < numTables; i++, p += 16) { - var tag = bytesToString(data.subarray(p, p + 4)); - var offset = getLong(data, p + 8); - var length = getLong(data, p + 12); - switch (tag) { - case 'cmap': - cmap = parseCmap(data, offset, offset + length); - break; - case 'glyf': - glyf = data.subarray(offset, offset + length); - break; - case 'loca': - loca = data.subarray(offset, offset + length); - break; - case 'head': - unitsPerEm = getUshort(data, offset + 18); - indexToLocFormat = getUshort(data, offset + 50); - break; - case 'CFF ': - cff = parseCff(data, offset, offset + length); - break; - } - } - - if (glyf) { - var fontMatrix = (!unitsPerEm ? font.fontMatrix : - [1 / unitsPerEm, 0, 0, 1 / unitsPerEm, 0, 0]); - return new TrueTypeCompiled( - parseGlyfTable(glyf, loca, indexToLocFormat), cmap, fontMatrix); - } else { - return new Type2Compiled(cff, cmap, font.fontMatrix, font.glyphNameMap); - } - } - }; -})(); - - +}(this, function (exports) { var GlyphsUnicode = { A: 0x0041, @@ -26350,655 +4738,1040 @@ var DingbatsGlyphsUnicode = { '.notdef': 0x0000 }; +exports.GlyphsUnicode = GlyphsUnicode; +exports.DingbatsGlyphsUnicode = DingbatsGlyphsUnicode; +})); -var PDFImage = (function PDFImageClosure() { - /** - * Decode the image in the main thread if it supported. Resovles the promise - * when the image data is ready. - */ - function handleImageData(handler, xref, res, image) { - if (image instanceof JpegStream && image.isNativelyDecodable(xref, res)) { - // For natively supported jpegs send them to the main thread for decoding. - var dict = image.dict; - var colorSpace = dict.get('ColorSpace', 'CS'); - colorSpace = ColorSpace.parse(colorSpace, xref, res); - var numComps = colorSpace.numComps; - var decodePromise = handler.sendWithPromise('JpegDecode', - [image.getIR(), numComps]); - return decodePromise.then(function (message) { - var data = message.data; - return new Stream(data, 0, data.length, image.dict); - }); - } else { - return Promise.resolve(image); - } + + +(function (root, factory) { + { + factory((root.pdfjsCoreJpg = {})); + } +}(this, function (exports) { + +/* +This code was forked from https://github.com/notmasteryet/jpgjs. The original +version was created by github user notmasteryet + +- The JPEG specification can be found in the ITU CCITT Recommendation T.81 + (www.w3.org/Graphics/JPEG/itu-t81.pdf) +- The JFIF specification can be found in the JPEG File Interchange Format + (www.w3.org/Graphics/JPEG/jfif3.pdf) +- The Adobe Application-Specific JPEG markers in the Supporting the DCT Filters + in PostScript Level 2, Technical Note #5116 + (partners.adobe.com/public/developer/en/ps/sdk/5116.DCT_Filter.pdf) +*/ + +var JpegImage = (function jpegImage() { + var dctZigZag = new Uint8Array([ + 0, + 1, 8, + 16, 9, 2, + 3, 10, 17, 24, + 32, 25, 18, 11, 4, + 5, 12, 19, 26, 33, 40, + 48, 41, 34, 27, 20, 13, 6, + 7, 14, 21, 28, 35, 42, 49, 56, + 57, 50, 43, 36, 29, 22, 15, + 23, 30, 37, 44, 51, 58, + 59, 52, 45, 38, 31, + 39, 46, 53, 60, + 61, 54, 47, + 55, 62, + 63 + ]); + + var dctCos1 = 4017; // cos(pi/16) + var dctSin1 = 799; // sin(pi/16) + var dctCos3 = 3406; // cos(3*pi/16) + var dctSin3 = 2276; // sin(3*pi/16) + var dctCos6 = 1567; // cos(6*pi/16) + var dctSin6 = 3784; // sin(6*pi/16) + var dctSqrt2 = 5793; // sqrt(2) + var dctSqrt1d2 = 2896; // sqrt(2) / 2 + + function constructor() { } - /** - * Decode and clamp a value. The formula is different from the spec because we - * don't decode to float range [0,1], we decode it in the [0,max] range. - */ - function decodeAndClamp(value, addend, coefficient, max) { - value = addend + value * coefficient; - // Clamp the value to the range - return (value < 0 ? 0 : (value > max ? max : value)); + function buildHuffmanTable(codeLengths, values) { + var k = 0, code = [], i, j, length = 16; + while (length > 0 && !codeLengths[length - 1]) { + length--; + } + code.push({children: [], index: 0}); + var p = code[0], q; + for (i = 0; i < length; i++) { + for (j = 0; j < codeLengths[i]; j++) { + p = code.pop(); + p.children[p.index] = values[k]; + while (p.index > 0) { + p = code.pop(); + } + p.index++; + code.push(p); + while (code.length <= i) { + code.push(q = {children: [], index: 0}); + p.children[p.index] = q.children; + p = q; + } + k++; + } + if (i + 1 < length) { + // p here points to last code + code.push(q = {children: [], index: 0}); + p.children[p.index] = q.children; + p = q; + } + } + return code[0].children; } - function PDFImage(xref, res, image, inline, smask, mask, isMask) { - this.image = image; - var dict = image.dict; - if (dict.has('Filter')) { - var filter = dict.get('Filter').name; - if (filter === 'JPXDecode') { - var jpxImage = new JpxImage(); - jpxImage.parseImageProperties(image.stream); - image.stream.reset(); - image.bitsPerComponent = jpxImage.bitsPerComponent; - image.numComps = jpxImage.componentsCount; - } else if (filter === 'JBIG2Decode') { - image.bitsPerComponent = 1; - image.numComps = 1; - } - } - // TODO cache rendered images? - - this.width = dict.get('Width', 'W'); - this.height = dict.get('Height', 'H'); - - if (this.width < 1 || this.height < 1) { - error('Invalid image width: ' + this.width + ' or height: ' + - this.height); - } - - this.interpolate = dict.get('Interpolate', 'I') || false; - this.imageMask = dict.get('ImageMask', 'IM') || false; - this.matte = dict.get('Matte') || false; - - var bitsPerComponent = image.bitsPerComponent; - if (!bitsPerComponent) { - bitsPerComponent = dict.get('BitsPerComponent', 'BPC'); - if (!bitsPerComponent) { - if (this.imageMask) { - bitsPerComponent = 1; - } else { - error('Bits per component missing in image: ' + this.imageMask); - } - } - } - this.bpc = bitsPerComponent; - - if (!this.imageMask) { - var colorSpace = dict.get('ColorSpace', 'CS'); - if (!colorSpace) { - info('JPX images (which do not require color spaces)'); - switch (image.numComps) { - case 1: - colorSpace = Name.get('DeviceGray'); - break; - case 3: - colorSpace = Name.get('DeviceRGB'); - break; - case 4: - colorSpace = Name.get('DeviceCMYK'); - break; - default: - error('JPX images with ' + this.numComps + - ' color components not supported.'); - } - } - this.colorSpace = ColorSpace.parse(colorSpace, xref, res); - this.numComps = this.colorSpace.numComps; - } - - this.decode = dict.get('Decode', 'D'); - this.needsDecode = false; - if (this.decode && - ((this.colorSpace && !this.colorSpace.isDefaultDecode(this.decode)) || - (isMask && !ColorSpace.isDefaultDecode(this.decode, 1)))) { - this.needsDecode = true; - // Do some preprocessing to avoid more math. - var max = (1 << bitsPerComponent) - 1; - this.decodeCoefficients = []; - this.decodeAddends = []; - for (var i = 0, j = 0; i < this.decode.length; i += 2, ++j) { - var dmin = this.decode[i]; - var dmax = this.decode[i + 1]; - this.decodeCoefficients[j] = dmax - dmin; - this.decodeAddends[j] = max * dmin; - } - } - - if (smask) { - this.smask = new PDFImage(xref, res, smask, false); - } else if (mask) { - if (isStream(mask)) { - this.mask = new PDFImage(xref, res, mask, false, null, null, true); - } else { - // Color key mask (just an array). - this.mask = mask; - } - } + function getBlockBufferOffset(component, row, col) { + return 64 * ((component.blocksPerLine + 1) * row + col); } - /** - * Handles processing of image data and returns the Promise that is resolved - * with a PDFImage when the image is ready to be used. - */ - PDFImage.buildImage = function PDFImage_buildImage(handler, xref, - res, image, inline) { - var imagePromise = handleImageData(handler, xref, res, image); - var smaskPromise; - var maskPromise; - var smask = image.dict.get('SMask'); - var mask = image.dict.get('Mask'); + function decodeScan(data, offset, frame, components, resetInterval, + spectralStart, spectralEnd, successivePrev, successive) { + var mcusPerLine = frame.mcusPerLine; + var progressive = frame.progressive; - if (smask) { - smaskPromise = handleImageData(handler, xref, res, smask); - maskPromise = Promise.resolve(null); - } else { - smaskPromise = Promise.resolve(null); - if (mask) { - if (isStream(mask)) { - maskPromise = handleImageData(handler, xref, res, mask); - } else if (isArray(mask)) { - maskPromise = Promise.resolve(mask); - } else { - warn('Unsupported mask format.'); - maskPromise = Promise.resolve(null); - } - } else { - maskPromise = Promise.resolve(null); + var startOffset = offset, bitsData = 0, bitsCount = 0; + + function readBit() { + if (bitsCount > 0) { + bitsCount--; + return (bitsData >> bitsCount) & 1; } - } - return Promise.all([imagePromise, smaskPromise, maskPromise]).then( - function(results) { - var imageData = results[0]; - var smaskData = results[1]; - var maskData = results[2]; - return new PDFImage(xref, res, imageData, inline, smaskData, maskData); - }); - }; - - /** - * Resize an image using the nearest neighbor algorithm. Currently only - * supports one and three component images. - * @param {TypedArray} pixels The original image with one component. - * @param {Number} bpc Number of bits per component. - * @param {Number} components Number of color components, 1 or 3 is supported. - * @param {Number} w1 Original width. - * @param {Number} h1 Original height. - * @param {Number} w2 New width. - * @param {Number} h2 New height. - * @param {TypedArray} dest (Optional) The destination buffer. - * @param {Number} alpha01 (Optional) Size reserved for the alpha channel. - * @return {TypedArray} Resized image data. - */ - PDFImage.resize = function PDFImage_resize(pixels, bpc, components, - w1, h1, w2, h2, dest, alpha01) { - - if (components !== 1 && components !== 3) { - error('Unsupported component count for resizing.'); - } - - var length = w2 * h2 * components; - var temp = dest ? dest : (bpc <= 8 ? new Uint8Array(length) : - (bpc <= 16 ? new Uint16Array(length) : new Uint32Array(length))); - var xRatio = w1 / w2; - var yRatio = h1 / h2; - var i, j, py, newIndex = 0, oldIndex; - var xScaled = new Uint16Array(w2); - var w1Scanline = w1 * components; - if (alpha01 !== 1) { - alpha01 = 0; - } - - for (j = 0; j < w2; j++) { - xScaled[j] = Math.floor(j * xRatio) * components; - } - - if (components === 1) { - for (i = 0; i < h2; i++) { - py = Math.floor(i * yRatio) * w1Scanline; - for (j = 0; j < w2; j++) { - oldIndex = py + xScaled[j]; - temp[newIndex++] = pixels[oldIndex]; + bitsData = data[offset++]; + if (bitsData === 0xFF) { + var nextByte = data[offset++]; + if (nextByte) { + throw 'unexpected marker: ' + + ((bitsData << 8) | nextByte).toString(16); } + // unstuff 0 } - } else if (components === 3) { - for (i = 0; i < h2; i++) { - py = Math.floor(i * yRatio) * w1Scanline; - for (j = 0; j < w2; j++) { - oldIndex = py + xScaled[j]; - temp[newIndex++] = pixels[oldIndex++]; - temp[newIndex++] = pixels[oldIndex++]; - temp[newIndex++] = pixels[oldIndex++]; - newIndex += alpha01; + bitsCount = 7; + return bitsData >>> 7; + } + + function decodeHuffman(tree) { + var node = tree; + while (true) { + node = node[readBit()]; + if (typeof node === 'number') { + return node; + } + if (typeof node !== 'object') { + throw 'invalid huffman sequence'; } } } - return temp; - }; - PDFImage.createMask = - function PDFImage_createMask(imgArray, width, height, - imageIsFromDecodeStream, inverseDecode) { - - // |imgArray| might not contain full data for every pixel of the mask, so - // we need to distinguish between |computedLength| and |actualLength|. - // In particular, if inverseDecode is true, then the array we return must - // have a length of |computedLength|. - - var computedLength = ((width + 7) >> 3) * height; - var actualLength = imgArray.byteLength; - var haveFullData = computedLength === actualLength; - var data, i; - - if (imageIsFromDecodeStream && (!inverseDecode || haveFullData)) { - // imgArray came from a DecodeStream and its data is in an appropriate - // form, so we can just transfer it. - data = imgArray; - } else if (!inverseDecode) { - data = new Uint8Array(actualLength); - data.set(imgArray); - } else { - data = new Uint8Array(computedLength); - data.set(imgArray); - for (i = actualLength; i < computedLength; i++) { - data[i] = 0xff; + function receive(length) { + var n = 0; + while (length > 0) { + n = (n << 1) | readBit(); + length--; } + return n; } - // If necessary, invert the original mask data (but not any extra we might - // have added above). It's safe to modify the array -- whether it's the - // original or a copy, we're about to transfer it anyway, so nothing else - // in this thread can be relying on its contents. - if (inverseDecode) { - for (i = 0; i < actualLength; i++) { - data[i] = ~data[i]; + function receiveAndExtend(length) { + if (length === 1) { + return readBit() === 1 ? 1 : -1; } + var n = receive(length); + if (n >= 1 << (length - 1)) { + return n; + } + return n + (-1 << length) + 1; } - return {data: data, width: width, height: height}; - }; - - PDFImage.prototype = { - get drawWidth() { - return Math.max(this.width, - this.smask && this.smask.width || 0, - this.mask && this.mask.width || 0); - }, - - get drawHeight() { - return Math.max(this.height, - this.smask && this.smask.height || 0, - this.mask && this.mask.height || 0); - }, - - decodeBuffer: function PDFImage_decodeBuffer(buffer) { - var bpc = this.bpc; - var numComps = this.numComps; - - var decodeAddends = this.decodeAddends; - var decodeCoefficients = this.decodeCoefficients; - var max = (1 << bpc) - 1; - var i, ii; - - if (bpc === 1) { - // If the buffer needed decode that means it just needs to be inverted. - for (i = 0, ii = buffer.length; i < ii; i++) { - buffer[i] = +!(buffer[i]); - } - return; - } - var index = 0; - for (i = 0, ii = this.width * this.height; i < ii; i++) { - for (var j = 0; j < numComps; j++) { - buffer[index] = decodeAndClamp(buffer[index], decodeAddends[j], - decodeCoefficients[j], max); - index++; - } - } - }, - - getComponents: function PDFImage_getComponents(buffer) { - var bpc = this.bpc; - - // This image doesn't require any extra work. - if (bpc === 8) { - return buffer; - } - - var width = this.width; - var height = this.height; - var numComps = this.numComps; - - var length = width * height * numComps; - var bufferPos = 0; - var output = (bpc <= 8 ? new Uint8Array(length) : - (bpc <= 16 ? new Uint16Array(length) : new Uint32Array(length))); - var rowComps = width * numComps; - - var max = (1 << bpc) - 1; - var i = 0, ii, buf; - - if (bpc === 1) { - // Optimization for reading 1 bpc images. - var mask, loop1End, loop2End; - for (var j = 0; j < height; j++) { - loop1End = i + (rowComps & ~7); - loop2End = i + rowComps; - - // unroll loop for all full bytes - while (i < loop1End) { - buf = buffer[bufferPos++]; - output[i] = (buf >> 7) & 1; - output[i + 1] = (buf >> 6) & 1; - output[i + 2] = (buf >> 5) & 1; - output[i + 3] = (buf >> 4) & 1; - output[i + 4] = (buf >> 3) & 1; - output[i + 5] = (buf >> 2) & 1; - output[i + 6] = (buf >> 1) & 1; - output[i + 7] = buf & 1; - i += 8; + function decodeBaseline(component, offset) { + var t = decodeHuffman(component.huffmanTableDC); + var diff = t === 0 ? 0 : receiveAndExtend(t); + component.blockData[offset] = (component.pred += diff); + var k = 1; + while (k < 64) { + var rs = decodeHuffman(component.huffmanTableAC); + var s = rs & 15, r = rs >> 4; + if (s === 0) { + if (r < 15) { + break; } - - // handle remaing bits - if (i < loop2End) { - buf = buffer[bufferPos++]; - mask = 128; - while (i < loop2End) { - output[i++] = +!!(buf & mask); - mask >>= 1; - } - } - } - } else { - // The general case that handles all other bpc values. - var bits = 0; - buf = 0; - for (i = 0, ii = length; i < ii; ++i) { - if (i % rowComps === 0) { - buf = 0; - bits = 0; - } - - while (bits < bpc) { - buf = (buf << 8) | buffer[bufferPos++]; - bits += 8; - } - - var remainingBits = bits - bpc; - var value = buf >> remainingBits; - output[i] = (value < 0 ? 0 : (value > max ? max : value)); - buf = buf & ((1 << remainingBits) - 1); - bits = remainingBits; - } - } - return output; - }, - - fillOpacity: function PDFImage_fillOpacity(rgbaBuf, width, height, - actualHeight, image) { - var smask = this.smask; - var mask = this.mask; - var alphaBuf, sw, sh, i, ii, j; - - if (smask) { - sw = smask.width; - sh = smask.height; - alphaBuf = new Uint8Array(sw * sh); - smask.fillGrayBuffer(alphaBuf); - if (sw !== width || sh !== height) { - alphaBuf = PDFImage.resize(alphaBuf, smask.bpc, 1, sw, sh, width, - height); - } - } else if (mask) { - if (mask instanceof PDFImage) { - sw = mask.width; - sh = mask.height; - alphaBuf = new Uint8Array(sw * sh); - mask.numComps = 1; - mask.fillGrayBuffer(alphaBuf); - - // Need to invert values in rgbaBuf - for (i = 0, ii = sw * sh; i < ii; ++i) { - alphaBuf[i] = 255 - alphaBuf[i]; - } - - if (sw !== width || sh !== height) { - alphaBuf = PDFImage.resize(alphaBuf, mask.bpc, 1, sw, sh, width, - height); - } - } else if (isArray(mask)) { - // Color key mask: if any of the compontents are outside the range - // then they should be painted. - alphaBuf = new Uint8Array(width * height); - var numComps = this.numComps; - for (i = 0, ii = width * height; i < ii; ++i) { - var opacity = 0; - var imageOffset = i * numComps; - for (j = 0; j < numComps; ++j) { - var color = image[imageOffset + j]; - var maskOffset = j * 2; - if (color < mask[maskOffset] || color > mask[maskOffset + 1]) { - opacity = 255; - break; - } - } - alphaBuf[i] = opacity; - } - } else { - error('Unknown mask format.'); - } - } - - if (alphaBuf) { - for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) { - rgbaBuf[j] = alphaBuf[i]; - } - } else { - // No mask. - for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) { - rgbaBuf[j] = 255; - } - } - }, - - undoPreblend: function PDFImage_undoPreblend(buffer, width, height) { - var matte = this.smask && this.smask.matte; - if (!matte) { - return; - } - var matteRgb = this.colorSpace.getRgb(matte, 0); - var matteR = matteRgb[0]; - var matteG = matteRgb[1]; - var matteB = matteRgb[2]; - var length = width * height * 4; - var r, g, b; - for (var i = 0; i < length; i += 4) { - var alpha = buffer[i + 3]; - if (alpha === 0) { - // according formula we have to get Infinity in all components - // making it white (typical paper color) should be okay - buffer[i] = 255; - buffer[i + 1] = 255; - buffer[i + 2] = 255; + k += 16; continue; } - var k = 255 / alpha; - r = (buffer[i] - matteR) * k + matteR; - g = (buffer[i + 1] - matteG) * k + matteG; - b = (buffer[i + 2] - matteB) * k + matteB; - buffer[i] = r <= 0 ? 0 : r >= 255 ? 255 : r | 0; - buffer[i + 1] = g <= 0 ? 0 : g >= 255 ? 255 : g | 0; - buffer[i + 2] = b <= 0 ? 0 : b >= 255 ? 255 : b | 0; + k += r; + var z = dctZigZag[k]; + component.blockData[offset + z] = receiveAndExtend(s); + k++; } - }, + } - createImageData: function PDFImage_createImageData(forceRGBA) { - var drawWidth = this.drawWidth; - var drawHeight = this.drawHeight; - var imgData = { // other fields are filled in below - width: drawWidth, - height: drawHeight - }; + function decodeDCFirst(component, offset) { + var t = decodeHuffman(component.huffmanTableDC); + var diff = t === 0 ? 0 : (receiveAndExtend(t) << successive); + component.blockData[offset] = (component.pred += diff); + } - var numComps = this.numComps; - var originalWidth = this.width; - var originalHeight = this.height; - var bpc = this.bpc; + function decodeDCSuccessive(component, offset) { + component.blockData[offset] |= readBit() << successive; + } - // Rows start at byte boundary. - var rowBytes = (originalWidth * numComps * bpc + 7) >> 3; - var imgArray; - - if (!forceRGBA) { - // If it is a 1-bit-per-pixel grayscale (i.e. black-and-white) image - // without any complications, we pass a same-sized copy to the main - // thread rather than expanding by 32x to RGBA form. This saves *lots* - // of memory for many scanned documents. It's also much faster. - // - // Similarly, if it is a 24-bit-per pixel RGB image without any - // complications, we avoid expanding by 1.333x to RGBA form. - var kind; - if (this.colorSpace.name === 'DeviceGray' && bpc === 1) { - kind = ImageKind.GRAYSCALE_1BPP; - } else if (this.colorSpace.name === 'DeviceRGB' && bpc === 8 && - !this.needsDecode) { - kind = ImageKind.RGB_24BPP; - } - if (kind && !this.smask && !this.mask && - drawWidth === originalWidth && drawHeight === originalHeight) { - imgData.kind = kind; - - imgArray = this.getImageBytes(originalHeight * rowBytes); - // If imgArray came from a DecodeStream, we're safe to transfer it - // (and thus neuter it) because it will constitute the entire - // DecodeStream's data. But if it came from a Stream, we need to - // copy it because it'll only be a portion of the Stream's data, and - // the rest will be read later on. - if (this.image instanceof DecodeStream) { - imgData.data = imgArray; - } else { - var newArray = new Uint8Array(imgArray.length); - newArray.set(imgArray); - imgData.data = newArray; - } - if (this.needsDecode) { - // Invert the buffer (which must be grayscale if we reached here). - assert(kind === ImageKind.GRAYSCALE_1BPP); - var buffer = imgData.data; - for (var i = 0, ii = buffer.length; i < ii; i++) { - buffer[i] ^= 0xff; - } - } - return imgData; - } - if (this.image instanceof JpegStream && !this.smask && !this.mask) { - imgData.kind = ImageKind.RGB_24BPP; - imgData.data = this.getImageBytes(originalHeight * rowBytes, - drawWidth, drawHeight, true); - return imgData; - } - } - - imgArray = this.getImageBytes(originalHeight * rowBytes); - // imgArray can be incomplete (e.g. after CCITT fax encoding). - var actualHeight = 0 | (imgArray.length / rowBytes * - drawHeight / originalHeight); - - var comps = this.getComponents(imgArray); - - // If opacity data is present, use RGBA_32BPP form. Otherwise, use the - // more compact RGB_24BPP form if allowable. - var alpha01, maybeUndoPreblend; - if (!forceRGBA && !this.smask && !this.mask) { - imgData.kind = ImageKind.RGB_24BPP; - imgData.data = new Uint8Array(drawWidth * drawHeight * 3); - alpha01 = 0; - maybeUndoPreblend = false; - } else { - imgData.kind = ImageKind.RGBA_32BPP; - imgData.data = new Uint8Array(drawWidth * drawHeight * 4); - alpha01 = 1; - maybeUndoPreblend = true; - - // Color key masking (opacity) must be performed before decoding. - this.fillOpacity(imgData.data, drawWidth, drawHeight, actualHeight, - comps); - } - - if (this.needsDecode) { - this.decodeBuffer(comps); - } - this.colorSpace.fillRgb(imgData.data, originalWidth, originalHeight, - drawWidth, drawHeight, actualHeight, bpc, comps, - alpha01); - if (maybeUndoPreblend) { - this.undoPreblend(imgData.data, drawWidth, actualHeight); - } - - return imgData; - }, - - fillGrayBuffer: function PDFImage_fillGrayBuffer(buffer) { - var numComps = this.numComps; - if (numComps !== 1) { - error('Reading gray scale from a color image: ' + numComps); - } - - var width = this.width; - var height = this.height; - var bpc = this.bpc; - - // rows start at byte boundary - var rowBytes = (width * numComps * bpc + 7) >> 3; - var imgArray = this.getImageBytes(height * rowBytes); - - var comps = this.getComponents(imgArray); - var i, length; - - if (bpc === 1) { - // inline decoding (= inversion) for 1 bpc images - length = width * height; - if (this.needsDecode) { - // invert and scale to {0, 255} - for (i = 0; i < length; ++i) { - buffer[i] = (comps[i] - 1) & 255; - } - } else { - // scale to {0, 255} - for (i = 0; i < length; ++i) { - buffer[i] = (-comps[i]) & 255; - } - } + var eobrun = 0; + function decodeACFirst(component, offset) { + if (eobrun > 0) { + eobrun--; return; } - - if (this.needsDecode) { - this.decodeBuffer(comps); + var k = spectralStart, e = spectralEnd; + while (k <= e) { + var rs = decodeHuffman(component.huffmanTableAC); + var s = rs & 15, r = rs >> 4; + if (s === 0) { + if (r < 15) { + eobrun = receive(r) + (1 << r) - 1; + break; + } + k += 16; + continue; + } + k += r; + var z = dctZigZag[k]; + component.blockData[offset + z] = + receiveAndExtend(s) * (1 << successive); + k++; } - length = width * height; - // we aren't using a colorspace so we need to scale the value - var scale = 255 / ((1 << bpc) - 1); - for (i = 0; i < length; ++i) { - buffer[i] = (scale * comps[i]) | 0; + } + + var successiveACState = 0, successiveACNextValue; + function decodeACSuccessive(component, offset) { + var k = spectralStart; + var e = spectralEnd; + var r = 0; + var s; + var rs; + while (k <= e) { + var z = dctZigZag[k]; + switch (successiveACState) { + case 0: // initial state + rs = decodeHuffman(component.huffmanTableAC); + s = rs & 15; + r = rs >> 4; + if (s === 0) { + if (r < 15) { + eobrun = receive(r) + (1 << r); + successiveACState = 4; + } else { + r = 16; + successiveACState = 1; + } + } else { + if (s !== 1) { + throw 'invalid ACn encoding'; + } + successiveACNextValue = receiveAndExtend(s); + successiveACState = r ? 2 : 3; + } + continue; + case 1: // skipping r zero items + case 2: + if (component.blockData[offset + z]) { + component.blockData[offset + z] += (readBit() << successive); + } else { + r--; + if (r === 0) { + successiveACState = successiveACState === 2 ? 3 : 0; + } + } + break; + case 3: // set value for a zero item + if (component.blockData[offset + z]) { + component.blockData[offset + z] += (readBit() << successive); + } else { + component.blockData[offset + z] = + successiveACNextValue << successive; + successiveACState = 0; + } + break; + case 4: // eob + if (component.blockData[offset + z]) { + component.blockData[offset + z] += (readBit() << successive); + } + break; + } + k++; + } + if (successiveACState === 4) { + eobrun--; + if (eobrun === 0) { + successiveACState = 0; + } + } + } + + function decodeMcu(component, decode, mcu, row, col) { + var mcuRow = (mcu / mcusPerLine) | 0; + var mcuCol = mcu % mcusPerLine; + var blockRow = mcuRow * component.v + row; + var blockCol = mcuCol * component.h + col; + var offset = getBlockBufferOffset(component, blockRow, blockCol); + decode(component, offset); + } + + function decodeBlock(component, decode, mcu) { + var blockRow = (mcu / component.blocksPerLine) | 0; + var blockCol = mcu % component.blocksPerLine; + var offset = getBlockBufferOffset(component, blockRow, blockCol); + decode(component, offset); + } + + var componentsLength = components.length; + var component, i, j, k, n; + var decodeFn; + if (progressive) { + if (spectralStart === 0) { + decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive; + } else { + decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive; + } + } else { + decodeFn = decodeBaseline; + } + + var mcu = 0, marker; + var mcuExpected; + if (componentsLength === 1) { + mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn; + } else { + mcuExpected = mcusPerLine * frame.mcusPerColumn; + } + if (!resetInterval) { + resetInterval = mcuExpected; + } + + var h, v; + while (mcu < mcuExpected) { + // reset interval stuff + for (i = 0; i < componentsLength; i++) { + components[i].pred = 0; + } + eobrun = 0; + + if (componentsLength === 1) { + component = components[0]; + for (n = 0; n < resetInterval; n++) { + decodeBlock(component, decodeFn, mcu); + mcu++; + } + } else { + for (n = 0; n < resetInterval; n++) { + for (i = 0; i < componentsLength; i++) { + component = components[i]; + h = component.h; + v = component.v; + for (j = 0; j < v; j++) { + for (k = 0; k < h; k++) { + decodeMcu(component, decodeFn, mcu, j, k); + } + } + } + mcu++; + } + } + + // find marker + bitsCount = 0; + marker = (data[offset] << 8) | data[offset + 1]; + if (marker <= 0xFF00) { + throw 'marker was not found'; + } + + if (marker >= 0xFFD0 && marker <= 0xFFD7) { // RSTx + offset += 2; + } else { + break; + } + } + + return offset - startOffset; + } + + // A port of poppler's IDCT method which in turn is taken from: + // Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz, + // 'Practical Fast 1-D DCT Algorithms with 11 Multiplications', + // IEEE Intl. Conf. on Acoustics, Speech & Signal Processing, 1989, + // 988-991. + function quantizeAndInverse(component, blockBufferOffset, p) { + var qt = component.quantizationTable, blockData = component.blockData; + var v0, v1, v2, v3, v4, v5, v6, v7; + var p0, p1, p2, p3, p4, p5, p6, p7; + var t; + + // inverse DCT on rows + for (var row = 0; row < 64; row += 8) { + // gather block data + p0 = blockData[blockBufferOffset + row]; + p1 = blockData[blockBufferOffset + row + 1]; + p2 = blockData[blockBufferOffset + row + 2]; + p3 = blockData[blockBufferOffset + row + 3]; + p4 = blockData[blockBufferOffset + row + 4]; + p5 = blockData[blockBufferOffset + row + 5]; + p6 = blockData[blockBufferOffset + row + 6]; + p7 = blockData[blockBufferOffset + row + 7]; + + // dequant p0 + p0 *= qt[row]; + + // check for all-zero AC coefficients + if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) { + t = (dctSqrt2 * p0 + 512) >> 10; + p[row] = t; + p[row + 1] = t; + p[row + 2] = t; + p[row + 3] = t; + p[row + 4] = t; + p[row + 5] = t; + p[row + 6] = t; + p[row + 7] = t; + continue; + } + // dequant p1 ... p7 + p1 *= qt[row + 1]; + p2 *= qt[row + 2]; + p3 *= qt[row + 3]; + p4 *= qt[row + 4]; + p5 *= qt[row + 5]; + p6 *= qt[row + 6]; + p7 *= qt[row + 7]; + + // stage 4 + v0 = (dctSqrt2 * p0 + 128) >> 8; + v1 = (dctSqrt2 * p4 + 128) >> 8; + v2 = p2; + v3 = p6; + v4 = (dctSqrt1d2 * (p1 - p7) + 128) >> 8; + v7 = (dctSqrt1d2 * (p1 + p7) + 128) >> 8; + v5 = p3 << 4; + v6 = p5 << 4; + + // stage 3 + v0 = (v0 + v1 + 1) >> 1; + v1 = v0 - v1; + t = (v2 * dctSin6 + v3 * dctCos6 + 128) >> 8; + v2 = (v2 * dctCos6 - v3 * dctSin6 + 128) >> 8; + v3 = t; + v4 = (v4 + v6 + 1) >> 1; + v6 = v4 - v6; + v7 = (v7 + v5 + 1) >> 1; + v5 = v7 - v5; + + // stage 2 + v0 = (v0 + v3 + 1) >> 1; + v3 = v0 - v3; + v1 = (v1 + v2 + 1) >> 1; + v2 = v1 - v2; + t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12; + v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12; + v7 = t; + t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12; + v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12; + v6 = t; + + // stage 1 + p[row] = v0 + v7; + p[row + 7] = v0 - v7; + p[row + 1] = v1 + v6; + p[row + 6] = v1 - v6; + p[row + 2] = v2 + v5; + p[row + 5] = v2 - v5; + p[row + 3] = v3 + v4; + p[row + 4] = v3 - v4; + } + + // inverse DCT on columns + for (var col = 0; col < 8; ++col) { + p0 = p[col]; + p1 = p[col + 8]; + p2 = p[col + 16]; + p3 = p[col + 24]; + p4 = p[col + 32]; + p5 = p[col + 40]; + p6 = p[col + 48]; + p7 = p[col + 56]; + + // check for all-zero AC coefficients + if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) { + t = (dctSqrt2 * p0 + 8192) >> 14; + // convert to 8 bit + t = (t < -2040) ? 0 : (t >= 2024) ? 255 : (t + 2056) >> 4; + blockData[blockBufferOffset + col] = t; + blockData[blockBufferOffset + col + 8] = t; + blockData[blockBufferOffset + col + 16] = t; + blockData[blockBufferOffset + col + 24] = t; + blockData[blockBufferOffset + col + 32] = t; + blockData[blockBufferOffset + col + 40] = t; + blockData[blockBufferOffset + col + 48] = t; + blockData[blockBufferOffset + col + 56] = t; + continue; + } + + // stage 4 + v0 = (dctSqrt2 * p0 + 2048) >> 12; + v1 = (dctSqrt2 * p4 + 2048) >> 12; + v2 = p2; + v3 = p6; + v4 = (dctSqrt1d2 * (p1 - p7) + 2048) >> 12; + v7 = (dctSqrt1d2 * (p1 + p7) + 2048) >> 12; + v5 = p3; + v6 = p5; + + // stage 3 + // Shift v0 by 128.5 << 5 here, so we don't need to shift p0...p7 when + // converting to UInt8 range later. + v0 = ((v0 + v1 + 1) >> 1) + 4112; + v1 = v0 - v1; + t = (v2 * dctSin6 + v3 * dctCos6 + 2048) >> 12; + v2 = (v2 * dctCos6 - v3 * dctSin6 + 2048) >> 12; + v3 = t; + v4 = (v4 + v6 + 1) >> 1; + v6 = v4 - v6; + v7 = (v7 + v5 + 1) >> 1; + v5 = v7 - v5; + + // stage 2 + v0 = (v0 + v3 + 1) >> 1; + v3 = v0 - v3; + v1 = (v1 + v2 + 1) >> 1; + v2 = v1 - v2; + t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12; + v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12; + v7 = t; + t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12; + v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12; + v6 = t; + + // stage 1 + p0 = v0 + v7; + p7 = v0 - v7; + p1 = v1 + v6; + p6 = v1 - v6; + p2 = v2 + v5; + p5 = v2 - v5; + p3 = v3 + v4; + p4 = v3 - v4; + + // convert to 8-bit integers + p0 = (p0 < 16) ? 0 : (p0 >= 4080) ? 255 : p0 >> 4; + p1 = (p1 < 16) ? 0 : (p1 >= 4080) ? 255 : p1 >> 4; + p2 = (p2 < 16) ? 0 : (p2 >= 4080) ? 255 : p2 >> 4; + p3 = (p3 < 16) ? 0 : (p3 >= 4080) ? 255 : p3 >> 4; + p4 = (p4 < 16) ? 0 : (p4 >= 4080) ? 255 : p4 >> 4; + p5 = (p5 < 16) ? 0 : (p5 >= 4080) ? 255 : p5 >> 4; + p6 = (p6 < 16) ? 0 : (p6 >= 4080) ? 255 : p6 >> 4; + p7 = (p7 < 16) ? 0 : (p7 >= 4080) ? 255 : p7 >> 4; + + // store block data + blockData[blockBufferOffset + col] = p0; + blockData[blockBufferOffset + col + 8] = p1; + blockData[blockBufferOffset + col + 16] = p2; + blockData[blockBufferOffset + col + 24] = p3; + blockData[blockBufferOffset + col + 32] = p4; + blockData[blockBufferOffset + col + 40] = p5; + blockData[blockBufferOffset + col + 48] = p6; + blockData[blockBufferOffset + col + 56] = p7; + } + } + + function buildComponentData(frame, component) { + var blocksPerLine = component.blocksPerLine; + var blocksPerColumn = component.blocksPerColumn; + var computationBuffer = new Int16Array(64); + + for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) { + for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) { + var offset = getBlockBufferOffset(component, blockRow, blockCol); + quantizeAndInverse(component, offset, computationBuffer); + } + } + return component.blockData; + } + + function clamp0to255(a) { + return a <= 0 ? 0 : a >= 255 ? 255 : a; + } + + constructor.prototype = { + parse: function parse(data) { + + function readUint16() { + var value = (data[offset] << 8) | data[offset + 1]; + offset += 2; + return value; + } + + function readDataBlock() { + var length = readUint16(); + var array = data.subarray(offset, offset + length - 2); + offset += array.length; + return array; + } + + function prepareComponents(frame) { + var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH); + var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV); + for (var i = 0; i < frame.components.length; i++) { + component = frame.components[i]; + var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * + component.h / frame.maxH); + var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * + component.v / frame.maxV); + var blocksPerLineForMcu = mcusPerLine * component.h; + var blocksPerColumnForMcu = mcusPerColumn * component.v; + + var blocksBufferSize = 64 * blocksPerColumnForMcu * + (blocksPerLineForMcu + 1); + component.blockData = new Int16Array(blocksBufferSize); + component.blocksPerLine = blocksPerLine; + component.blocksPerColumn = blocksPerColumn; + } + frame.mcusPerLine = mcusPerLine; + frame.mcusPerColumn = mcusPerColumn; + } + + var offset = 0; + var jfif = null; + var adobe = null; + var frame, resetInterval; + var quantizationTables = []; + var huffmanTablesAC = [], huffmanTablesDC = []; + var fileMarker = readUint16(); + if (fileMarker !== 0xFFD8) { // SOI (Start of Image) + throw 'SOI not found'; + } + + fileMarker = readUint16(); + while (fileMarker !== 0xFFD9) { // EOI (End of image) + var i, j, l; + switch(fileMarker) { + case 0xFFE0: // APP0 (Application Specific) + case 0xFFE1: // APP1 + case 0xFFE2: // APP2 + case 0xFFE3: // APP3 + case 0xFFE4: // APP4 + case 0xFFE5: // APP5 + case 0xFFE6: // APP6 + case 0xFFE7: // APP7 + case 0xFFE8: // APP8 + case 0xFFE9: // APP9 + case 0xFFEA: // APP10 + case 0xFFEB: // APP11 + case 0xFFEC: // APP12 + case 0xFFED: // APP13 + case 0xFFEE: // APP14 + case 0xFFEF: // APP15 + case 0xFFFE: // COM (Comment) + var appData = readDataBlock(); + + if (fileMarker === 0xFFE0) { + if (appData[0] === 0x4A && appData[1] === 0x46 && + appData[2] === 0x49 && appData[3] === 0x46 && + appData[4] === 0) { // 'JFIF\x00' + jfif = { + version: { major: appData[5], minor: appData[6] }, + densityUnits: appData[7], + xDensity: (appData[8] << 8) | appData[9], + yDensity: (appData[10] << 8) | appData[11], + thumbWidth: appData[12], + thumbHeight: appData[13], + thumbData: appData.subarray(14, 14 + + 3 * appData[12] * appData[13]) + }; + } + } + // TODO APP1 - Exif + if (fileMarker === 0xFFEE) { + if (appData[0] === 0x41 && appData[1] === 0x64 && + appData[2] === 0x6F && appData[3] === 0x62 && + appData[4] === 0x65) { // 'Adobe' + adobe = { + version: (appData[5] << 8) | appData[6], + flags0: (appData[7] << 8) | appData[8], + flags1: (appData[9] << 8) | appData[10], + transformCode: appData[11] + }; + } + } + break; + + case 0xFFDB: // DQT (Define Quantization Tables) + var quantizationTablesLength = readUint16(); + var quantizationTablesEnd = quantizationTablesLength + offset - 2; + var z; + while (offset < quantizationTablesEnd) { + var quantizationTableSpec = data[offset++]; + var tableData = new Uint16Array(64); + if ((quantizationTableSpec >> 4) === 0) { // 8 bit values + for (j = 0; j < 64; j++) { + z = dctZigZag[j]; + tableData[z] = data[offset++]; + } + } else if ((quantizationTableSpec >> 4) === 1) { //16 bit + for (j = 0; j < 64; j++) { + z = dctZigZag[j]; + tableData[z] = readUint16(); + } + } else { + throw 'DQT: invalid table spec'; + } + quantizationTables[quantizationTableSpec & 15] = tableData; + } + break; + + case 0xFFC0: // SOF0 (Start of Frame, Baseline DCT) + case 0xFFC1: // SOF1 (Start of Frame, Extended DCT) + case 0xFFC2: // SOF2 (Start of Frame, Progressive DCT) + if (frame) { + throw 'Only single frame JPEGs supported'; + } + readUint16(); // skip data length + frame = {}; + frame.extended = (fileMarker === 0xFFC1); + frame.progressive = (fileMarker === 0xFFC2); + frame.precision = data[offset++]; + frame.scanLines = readUint16(); + frame.samplesPerLine = readUint16(); + frame.components = []; + frame.componentIds = {}; + var componentsCount = data[offset++], componentId; + var maxH = 0, maxV = 0; + for (i = 0; i < componentsCount; i++) { + componentId = data[offset]; + var h = data[offset + 1] >> 4; + var v = data[offset + 1] & 15; + if (maxH < h) { + maxH = h; + } + if (maxV < v) { + maxV = v; + } + var qId = data[offset + 2]; + l = frame.components.push({ + h: h, + v: v, + quantizationTable: quantizationTables[qId] + }); + frame.componentIds[componentId] = l - 1; + offset += 3; + } + frame.maxH = maxH; + frame.maxV = maxV; + prepareComponents(frame); + break; + + case 0xFFC4: // DHT (Define Huffman Tables) + var huffmanLength = readUint16(); + for (i = 2; i < huffmanLength;) { + var huffmanTableSpec = data[offset++]; + var codeLengths = new Uint8Array(16); + var codeLengthSum = 0; + for (j = 0; j < 16; j++, offset++) { + codeLengthSum += (codeLengths[j] = data[offset]); + } + var huffmanValues = new Uint8Array(codeLengthSum); + for (j = 0; j < codeLengthSum; j++, offset++) { + huffmanValues[j] = data[offset]; + } + i += 17 + codeLengthSum; + + ((huffmanTableSpec >> 4) === 0 ? + huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = + buildHuffmanTable(codeLengths, huffmanValues); + } + break; + + case 0xFFDD: // DRI (Define Restart Interval) + readUint16(); // skip data length + resetInterval = readUint16(); + break; + + case 0xFFDA: // SOS (Start of Scan) + var scanLength = readUint16(); + var selectorsCount = data[offset++]; + var components = [], component; + for (i = 0; i < selectorsCount; i++) { + var componentIndex = frame.componentIds[data[offset++]]; + component = frame.components[componentIndex]; + var tableSpec = data[offset++]; + component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4]; + component.huffmanTableAC = huffmanTablesAC[tableSpec & 15]; + components.push(component); + } + var spectralStart = data[offset++]; + var spectralEnd = data[offset++]; + var successiveApproximation = data[offset++]; + var processed = decodeScan(data, offset, + frame, components, resetInterval, + spectralStart, spectralEnd, + successiveApproximation >> 4, successiveApproximation & 15); + offset += processed; + break; + + case 0xFFFF: // Fill bytes + if (data[offset] !== 0xFF) { // Avoid skipping a valid marker. + offset--; + } + break; + + default: + if (data[offset - 3] === 0xFF && + data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) { + // could be incorrect encoding -- last 0xFF byte of the previous + // block was eaten by the encoder + offset -= 3; + break; + } + throw 'unknown JPEG marker ' + fileMarker.toString(16); + } + fileMarker = readUint16(); + } + + this.width = frame.samplesPerLine; + this.height = frame.scanLines; + this.jfif = jfif; + this.adobe = adobe; + this.components = []; + for (i = 0; i < frame.components.length; i++) { + component = frame.components[i]; + this.components.push({ + output: buildComponentData(frame, component), + scaleX: component.h / frame.maxH, + scaleY: component.v / frame.maxV, + blocksPerLine: component.blocksPerLine, + blocksPerColumn: component.blocksPerColumn + }); + } + this.numComponents = this.components.length; + }, + + _getLinearizedBlockData: function getLinearizedBlockData(width, height) { + var scaleX = this.width / width, scaleY = this.height / height; + + var component, componentScaleX, componentScaleY, blocksPerScanline; + var x, y, i, j, k; + var index; + var offset = 0; + var output; + var numComponents = this.components.length; + var dataLength = width * height * numComponents; + var data = new Uint8Array(dataLength); + var xScaleBlockOffset = new Uint32Array(width); + var mask3LSB = 0xfffffff8; // used to clear the 3 LSBs + + for (i = 0; i < numComponents; i++) { + component = this.components[i]; + componentScaleX = component.scaleX * scaleX; + componentScaleY = component.scaleY * scaleY; + offset = i; + output = component.output; + blocksPerScanline = (component.blocksPerLine + 1) << 3; + // precalculate the xScaleBlockOffset + for (x = 0; x < width; x++) { + j = 0 | (x * componentScaleX); + xScaleBlockOffset[x] = ((j & mask3LSB) << 3) | (j & 7); + } + // linearize the blocks of the component + for (y = 0; y < height; y++) { + j = 0 | (y * componentScaleY); + index = blocksPerScanline * (j & mask3LSB) | ((j & 7) << 3); + for (x = 0; x < width; x++) { + data[offset] = output[index + xScaleBlockOffset[x]]; + offset += numComponents; + } + } + } + + // decodeTransform contains pairs of multiplier (-256..256) and additive + var transform = this.decodeTransform; + if (transform) { + for (i = 0; i < dataLength;) { + for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) { + data[i] = ((data[i] * transform[k]) >> 8) + transform[k + 1]; + } + } + } + return data; + }, + + _isColorConversionNeeded: function isColorConversionNeeded() { + if (this.adobe && this.adobe.transformCode) { + // The adobe transform marker overrides any previous setting + return true; + } else if (this.numComponents === 3) { + return true; + } else { + return false; } }, - getImageBytes: function PDFImage_getImageBytes(length, - drawWidth, drawHeight, - forceRGB) { - this.image.reset(); - this.image.drawWidth = drawWidth || this.width; - this.image.drawHeight = drawHeight || this.height; - this.image.forceRGB = !!forceRGB; - return this.image.getBytes(length); + _convertYccToRgb: function convertYccToRgb(data) { + var Y, Cb, Cr; + for (var i = 0, length = data.length; i < length; i += 3) { + Y = data[i ]; + Cb = data[i + 1]; + Cr = data[i + 2]; + data[i ] = clamp0to255(Y - 179.456 + 1.402 * Cr); + data[i + 1] = clamp0to255(Y + 135.459 - 0.344 * Cb - 0.714 * Cr); + data[i + 2] = clamp0to255(Y - 226.816 + 1.772 * Cb); + } + return data; + }, + + _convertYcckToRgb: function convertYcckToRgb(data) { + var Y, Cb, Cr, k; + var offset = 0; + for (var i = 0, length = data.length; i < length; i += 4) { + Y = data[i]; + Cb = data[i + 1]; + Cr = data[i + 2]; + k = data[i + 3]; + + var r = -122.67195406894 + + Cb * (-6.60635669420364e-5 * Cb + 0.000437130475926232 * Cr - + 5.4080610064599e-5 * Y + 0.00048449797120281 * k - + 0.154362151871126) + + Cr * (-0.000957964378445773 * Cr + 0.000817076911346625 * Y - + 0.00477271405408747 * k + 1.53380253221734) + + Y * (0.000961250184130688 * Y - 0.00266257332283933 * k + + 0.48357088451265) + + k * (-0.000336197177618394 * k + 0.484791561490776); + + var g = 107.268039397724 + + Cb * (2.19927104525741e-5 * Cb - 0.000640992018297945 * Cr + + 0.000659397001245577 * Y + 0.000426105652938837 * k - + 0.176491792462875) + + Cr * (-0.000778269941513683 * Cr + 0.00130872261408275 * Y + + 0.000770482631801132 * k - 0.151051492775562) + + Y * (0.00126935368114843 * Y - 0.00265090189010898 * k + + 0.25802910206845) + + k * (-0.000318913117588328 * k - 0.213742400323665); + + var b = -20.810012546947 + + Cb * (-0.000570115196973677 * Cb - 2.63409051004589e-5 * Cr + + 0.0020741088115012 * Y - 0.00288260236853442 * k + + 0.814272968359295) + + Cr * (-1.53496057440975e-5 * Cr - 0.000132689043961446 * Y + + 0.000560833691242812 * k - 0.195152027534049) + + Y * (0.00174418132927582 * Y - 0.00255243321439347 * k + + 0.116935020465145) + + k * (-0.000343531996510555 * k + 0.24165260232407); + + data[offset++] = clamp0to255(r); + data[offset++] = clamp0to255(g); + data[offset++] = clamp0to255(b); + } + return data; + }, + + _convertYcckToCmyk: function convertYcckToCmyk(data) { + var Y, Cb, Cr; + for (var i = 0, length = data.length; i < length; i += 4) { + Y = data[i]; + Cb = data[i + 1]; + Cr = data[i + 2]; + data[i ] = clamp0to255(434.456 - Y - 1.402 * Cr); + data[i + 1] = clamp0to255(119.541 - Y + 0.344 * Cb + 0.714 * Cr); + data[i + 2] = clamp0to255(481.816 - Y - 1.772 * Cb); + // K in data[i + 3] is unchanged + } + return data; + }, + + _convertCmykToRgb: function convertCmykToRgb(data) { + var c, m, y, k; + var offset = 0; + var min = -255 * 255 * 255; + var scale = 1 / 255 / 255; + for (var i = 0, length = data.length; i < length; i += 4) { + c = data[i]; + m = data[i + 1]; + y = data[i + 2]; + k = data[i + 3]; + + var r = + c * (-4.387332384609988 * c + 54.48615194189176 * m + + 18.82290502165302 * y + 212.25662451639585 * k - + 72734.4411664936) + + m * (1.7149763477362134 * m - 5.6096736904047315 * y - + 17.873870861415444 * k - 1401.7366389350734) + + y * (-2.5217340131683033 * y - 21.248923337353073 * k + + 4465.541406466231) - + k * (21.86122147463605 * k + 48317.86113160301); + var g = + c * (8.841041422036149 * c + 60.118027045597366 * m + + 6.871425592049007 * y + 31.159100130055922 * k - + 20220.756542821975) + + m * (-15.310361306967817 * m + 17.575251261109482 * y + + 131.35250912493976 * k - 48691.05921601825) + + y * (4.444339102852739 * y + 9.8632861493405 * k - + 6341.191035517494) - + k * (20.737325471181034 * k + 47890.15695978492); + var b = + c * (0.8842522430003296 * c + 8.078677503112928 * m + + 30.89978309703729 * y - 0.23883238689178934 * k - + 3616.812083916688) + + m * (10.49593273432072 * m + 63.02378494754052 * y + + 50.606957656360734 * k - 28620.90484698408) + + y * (0.03296041114873217 * y + 115.60384449646641 * k - + 49363.43385999684) - + k * (22.33816807309886 * k + 45932.16563550634); + + data[offset++] = r >= 0 ? 255 : r <= min ? 0 : 255 + r * scale | 0; + data[offset++] = g >= 0 ? 255 : g <= min ? 0 : 255 + g * scale | 0; + data[offset++] = b >= 0 ? 255 : b <= min ? 0 : 255 + b * scale | 0; + } + return data; + }, + + getData: function getData(width, height, forceRGBoutput) { + if (this.numComponents > 4) { + throw 'Unsupported color mode'; + } + // type of data: Uint8Array(width * height * numComponents) + var data = this._getLinearizedBlockData(width, height); + + if (this.numComponents === 3) { + return this._convertYccToRgb(data); + } else if (this.numComponents === 4) { + if (this._isColorConversionNeeded()) { + if (forceRGBoutput) { + return this._convertYcckToRgb(data); + } else { + return this._convertYcckToCmyk(data); + } + } else if (forceRGBoutput) { + return this._convertCmykToRgb(data); + } + } + return data; } }; - return PDFImage; + + return constructor; })(); +exports.JpegImage = JpegImage; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreMetrics = {})); + } +}(this, function (exports) { // The Metrics object contains glyph widths (in glyph space units). // As per PDF spec, for most fonts (Type 3 being an exception) a glyph @@ -29942,1082 +8715,6764 @@ var Metrics = { } }; +exports.Metrics = Metrics; +})); -var EOF = {}; -function isEOF(v) { - return (v === EOF); -} -var Parser = (function ParserClosure() { - function Parser(lexer, allowStreams, xref) { - this.lexer = lexer; - this.allowStreams = allowStreams; - this.xref = xref; - this.imageCache = { - length: 0, - adler32: 0, - stream: null - }; - this.refill(); +var NetworkManager = (function NetworkManagerClosure() { + + var OK_RESPONSE = 200; + var PARTIAL_CONTENT_RESPONSE = 206; + + function NetworkManager(url, args) { + this.url = url; + args = args || {}; + this.isHttp = /^https?:/i.test(url); + this.httpHeaders = (this.isHttp && args.httpHeaders) || {}; + this.withCredentials = args.withCredentials || false; + this.getXhr = args.getXhr || + function NetworkManager_getXhr() { + return new XMLHttpRequest(); + }; + + this.currXhrId = 0; + this.pendingRequests = {}; + this.loadedRequests = {}; } - Parser.prototype = { - refill: function Parser_refill() { - this.buf1 = this.lexer.getObj(); - this.buf2 = this.lexer.getObj(); - }, - shift: function Parser_shift() { - if (isCmd(this.buf2, 'ID')) { - this.buf1 = this.buf2; - this.buf2 = null; - } else { - this.buf1 = this.buf2; - this.buf2 = this.lexer.getObj(); - } - }, - getObj: function Parser_getObj(cipherTransform) { - var buf1 = this.buf1; - this.shift(); - - if (buf1 instanceof Cmd) { - switch (buf1.cmd) { - case 'BI': // inline image - return this.makeInlineImage(cipherTransform); - case '[': // array - var array = []; - while (!isCmd(this.buf1, ']') && !isEOF(this.buf1)) { - array.push(this.getObj(cipherTransform)); - } - if (isEOF(this.buf1)) { - error('End of file inside array'); - } - this.shift(); - return array; - case '<<': // dictionary or stream - var dict = new Dict(this.xref); - while (!isCmd(this.buf1, '>>') && !isEOF(this.buf1)) { - if (!isName(this.buf1)) { - info('Malformed dictionary: key must be a name object'); - this.shift(); - continue; - } - - var key = this.buf1.name; - this.shift(); - if (isEOF(this.buf1)) { - break; - } - dict.set(key, this.getObj(cipherTransform)); - } - if (isEOF(this.buf1)) { - error('End of file inside dictionary'); - } - - // Stream objects are not allowed inside content streams or - // object streams. - if (isCmd(this.buf2, 'stream')) { - return (this.allowStreams ? - this.makeStream(dict, cipherTransform) : dict); - } - this.shift(); - return dict; - default: // simple object - return buf1; - } - } - - if (isInt(buf1)) { // indirect reference or integer - var num = buf1; - if (isInt(this.buf1) && isCmd(this.buf2, 'R')) { - var ref = new Ref(num, this.buf1); - this.shift(); - this.shift(); - return ref; - } - return num; - } - - if (isString(buf1)) { // string - var str = buf1; - if (cipherTransform) { - str = cipherTransform.decryptString(str); - } - return str; - } - - // simple object - return buf1; - }, - makeInlineImage: function Parser_makeInlineImage(cipherTransform) { - var lexer = this.lexer; - var stream = lexer.stream; - - // parse dictionary - var dict = new Dict(null); - while (!isCmd(this.buf1, 'ID') && !isEOF(this.buf1)) { - if (!isName(this.buf1)) { - error('Dictionary key must be a name object'); - } - - var key = this.buf1.name; - this.shift(); - if (isEOF(this.buf1)) { - break; - } - dict.set(key, this.getObj(cipherTransform)); - } - - // parse image stream - var startPos = stream.pos; - - // searching for the /EI\s/ - var state = 0, ch, i, ii; - var E = 0x45, I = 0x49, SPACE = 0x20, NL = 0xA, CR = 0xD; - while ((ch = stream.getByte()) !== -1) { - if (state === 0) { - state = (ch === E) ? 1 : 0; - } else if (state === 1) { - state = (ch === I) ? 2 : 0; - } else { - assert(state === 2); - if (ch === SPACE || ch === NL || ch === CR) { - // Let's check the next five bytes are ASCII... just be sure. - var n = 5; - var followingBytes = stream.peekBytes(n); - for (i = 0; i < n; i++) { - ch = followingBytes[i]; - if (ch !== NL && ch !== CR && (ch < SPACE || ch > 0x7F)) { - // Not a LF, CR, SPACE or any visible ASCII character, i.e. - // it's binary stuff. Resetting the state. - state = 0; - break; - } - } - if (state === 2) { - break; // finished! - } - } else { - state = 0; - } - } - } - - var length = (stream.pos - 4) - startPos; - var imageStream = stream.makeSubStream(startPos, length, dict); - - // trying to cache repeat images, first we are trying to "warm up" caching - // using length, then comparing adler32 - var MAX_LENGTH_TO_CACHE = 1000; - var cacheImage = false, adler32; - if (length < MAX_LENGTH_TO_CACHE && this.imageCache.length === length) { - var imageBytes = imageStream.getBytes(); - imageStream.reset(); - - var a = 1; - var b = 0; - for (i = 0, ii = imageBytes.length; i < ii; ++i) { - a = (a + (imageBytes[i] & 0xff)) % 65521; - b = (b + a) % 65521; - } - adler32 = (b << 16) | a; - - if (this.imageCache.stream && this.imageCache.adler32 === adler32) { - this.buf2 = Cmd.get('EI'); - this.shift(); - - this.imageCache.stream.reset(); - return this.imageCache.stream; - } - cacheImage = true; - } - if (!cacheImage && !this.imageCache.stream) { - this.imageCache.length = length; - this.imageCache.stream = null; - } - - if (cipherTransform) { - imageStream = cipherTransform.createStream(imageStream, length); - } - - imageStream = this.filter(imageStream, dict, length); - imageStream.dict = dict; - if (cacheImage) { - imageStream.cacheKey = 'inline_' + length + '_' + adler32; - this.imageCache.adler32 = adler32; - this.imageCache.stream = imageStream; - } - - this.buf2 = Cmd.get('EI'); - this.shift(); - - return imageStream; - }, - fetchIfRef: function Parser_fetchIfRef(obj) { - // not relying on the xref.fetchIfRef -- xref might not be set - return (isRef(obj) ? this.xref.fetch(obj) : obj); - }, - makeStream: function Parser_makeStream(dict, cipherTransform) { - var lexer = this.lexer; - var stream = lexer.stream; - - // get stream start position - lexer.skipToNextLine(); - var pos = stream.pos - 1; - - // get length - var length = this.fetchIfRef(dict.get('Length')); - if (!isInt(length)) { - info('Bad ' + length + ' attribute in stream'); - length = 0; - } - - // skip over the stream data - stream.pos = pos + length; - lexer.nextChar(); - - this.shift(); // '>>' - this.shift(); // 'stream' - if (!isCmd(this.buf1, 'endstream')) { - // bad stream length, scanning for endstream - stream.pos = pos; - var SCAN_BLOCK_SIZE = 2048; - var ENDSTREAM_SIGNATURE_LENGTH = 9; - var ENDSTREAM_SIGNATURE = [0x65, 0x6E, 0x64, 0x73, 0x74, 0x72, 0x65, - 0x61, 0x6D]; - var skipped = 0, found = false, i, j; - while (stream.pos < stream.end) { - var scanBytes = stream.peekBytes(SCAN_BLOCK_SIZE); - var scanLength = scanBytes.length - ENDSTREAM_SIGNATURE_LENGTH; - if (scanLength <= 0) { - break; - } - found = false; - for (i = 0, j = 0; i < scanLength; i++) { - var b = scanBytes[i]; - if (b !== ENDSTREAM_SIGNATURE[j]) { - i -= j; - j = 0; - } else { - j++; - if (j >= ENDSTREAM_SIGNATURE_LENGTH) { - i++; - found = true; - break; - } - } - } - if (found) { - skipped += i - ENDSTREAM_SIGNATURE_LENGTH; - stream.pos += i - ENDSTREAM_SIGNATURE_LENGTH; - break; - } - skipped += scanLength; - stream.pos += scanLength; - } - if (!found) { - error('Missing endstream'); - } - length = skipped; - - lexer.nextChar(); - this.shift(); - this.shift(); - } - this.shift(); // 'endstream' - - stream = stream.makeSubStream(pos, length, dict); - if (cipherTransform) { - stream = cipherTransform.createStream(stream, length); - } - stream = this.filter(stream, dict, length); - stream.dict = dict; - return stream; - }, - filter: function Parser_filter(stream, dict, length) { - var filter = this.fetchIfRef(dict.get('Filter', 'F')); - var params = this.fetchIfRef(dict.get('DecodeParms', 'DP')); - if (isName(filter)) { - return this.makeFilter(stream, filter.name, length, params); - } - - var maybeLength = length; - if (isArray(filter)) { - var filterArray = filter; - var paramsArray = params; - for (var i = 0, ii = filterArray.length; i < ii; ++i) { - filter = filterArray[i]; - if (!isName(filter)) { - error('Bad filter name: ' + filter); - } - - params = null; - if (isArray(paramsArray) && (i in paramsArray)) { - params = paramsArray[i]; - } - stream = this.makeFilter(stream, filter.name, maybeLength, params); - // after the first stream the length variable is invalid - maybeLength = null; - } - } - return stream; - }, - makeFilter: function Parser_makeFilter(stream, name, maybeLength, params) { - if (stream.dict.get('Length') === 0) { - return new NullStream(stream); - } - try { - if (params) { - params = this.fetchIfRef(params); - } - var xrefStreamStats = this.xref.stats.streamTypes; - if (name === 'FlateDecode' || name === 'Fl') { - xrefStreamStats[StreamType.FLATE] = true; - if (params) { - return new PredictorStream(new FlateStream(stream, maybeLength), - maybeLength, params); - } - return new FlateStream(stream, maybeLength); - } - if (name === 'LZWDecode' || name === 'LZW') { - xrefStreamStats[StreamType.LZW] = true; - var earlyChange = 1; - if (params) { - if (params.has('EarlyChange')) { - earlyChange = params.get('EarlyChange'); - } - return new PredictorStream( - new LZWStream(stream, maybeLength, earlyChange), - maybeLength, params); - } - return new LZWStream(stream, maybeLength, earlyChange); - } - if (name === 'DCTDecode' || name === 'DCT') { - // According to the specification: for inline images, the ID operator - // shall be followed by a single whitespace character (unless it uses - // ASCII85Decode or ASCIIHexDecode filters). - // In practice this only seems to be followed for inline JPEG images, - // and generally ignoring the first byte of the stream if it is a - // whitespace char can even *cause* issues (e.g. in the CCITTFaxDecode - // filters used in issue2984.pdf). - // Hence when the first byte of the stream of an inline JPEG image is - // a whitespace character, we thus simply skip over it. - if (isCmd(this.buf1, 'ID')) { - var firstByte = stream.peekByte(); - if (firstByte === 0x0A /* LF */ || firstByte === 0x0D /* CR */ || - firstByte === 0x20 /* SPACE */) { - stream.skip(); - } - } - xrefStreamStats[StreamType.DCT] = true; - return new JpegStream(stream, maybeLength, stream.dict, this.xref); - } - if (name === 'JPXDecode' || name === 'JPX') { - xrefStreamStats[StreamType.JPX] = true; - return new JpxStream(stream, maybeLength, stream.dict); - } - if (name === 'ASCII85Decode' || name === 'A85') { - xrefStreamStats[StreamType.A85] = true; - return new Ascii85Stream(stream, maybeLength); - } - if (name === 'ASCIIHexDecode' || name === 'AHx') { - xrefStreamStats[StreamType.AHX] = true; - return new AsciiHexStream(stream, maybeLength); - } - if (name === 'CCITTFaxDecode' || name === 'CCF') { - xrefStreamStats[StreamType.CCF] = true; - return new CCITTFaxStream(stream, maybeLength, params); - } - if (name === 'RunLengthDecode' || name === 'RL') { - xrefStreamStats[StreamType.RL] = true; - return new RunLengthStream(stream, maybeLength); - } - if (name === 'JBIG2Decode') { - xrefStreamStats[StreamType.JBIG] = true; - return new Jbig2Stream(stream, maybeLength, stream.dict); - } - warn('filter "' + name + '" not supported yet'); - return stream; - } catch (ex) { - if (ex instanceof MissingDataException) { - throw ex; - } - warn('Invalid stream: \"' + ex + '\"'); - return new NullStream(stream); - } + function getArrayBuffer(xhr) { + var data = xhr.response; + if (typeof data !== 'string') { + return data; } - }; - - return Parser; -})(); - -var Lexer = (function LexerClosure() { - function Lexer(stream, knownCommands) { - this.stream = stream; - this.nextChar(); - - // While lexing, we build up many strings one char at a time. Using += for - // this can result in lots of garbage strings. It's better to build an - // array of single-char strings and then join() them together at the end. - // And reusing a single array (i.e. |this.strBuf|) over and over for this - // purpose uses less memory than using a new array for each string. - this.strBuf = []; - - // The PDFs might have "glued" commands with other commands, operands or - // literals, e.g. "q1". The knownCommands is a dictionary of the valid - // commands and their prefixes. The prefixes are built the following way: - // if there a command that is a prefix of the other valid command or - // literal (e.g. 'f' and 'false') the following prefixes must be included, - // 'fa', 'fal', 'fals'. The prefixes are not needed, if the command has no - // other commands or literals as a prefix. The knowCommands is optional. - this.knownCommands = knownCommands; + var length = data.length; + var array = new Uint8Array(length); + for (var i = 0; i < length; i++) { + array[i] = data.charCodeAt(i) & 0xFF; + } + return array.buffer; } - Lexer.isSpace = function Lexer_isSpace(ch) { - // Space is one of the following characters: SPACE, TAB, CR or LF. - return (ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A); - }; - - // A '1' in this array means the character is white space. A '1' or - // '2' means the character ends a name or command. - var specialChars = [ - 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, // 0x - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 1x - 1, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, // 2x - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, // 3x - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 4x - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, // 5x - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 6x - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, // 7x - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 8x - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 9x - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ax - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // bx - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // cx - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // dx - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ex - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // fx - ]; - - function toHexDigit(ch) { - if (ch >= 0x30 && ch <= 0x39) { // '0'-'9' - return ch & 0x0F; + var supportsMozChunked = (function supportsMozChunkedClosure() { + try { + var x = new XMLHttpRequest(); + // Firefox 37- required .open() to be called before setting responseType. + // https://bugzilla.mozilla.org/show_bug.cgi?id=707484 + // Even though the URL is not visited, .open() could fail if the URL is + // blocked, e.g. via the connect-src CSP directive or the NoScript addon. + // When this error occurs, this feature detection method will mistakenly + // report that moz-chunked-arraybuffer is not supported in Firefox 37-. + x.open('GET', 'https://example.com'); + x.responseType = 'moz-chunked-arraybuffer'; + return x.responseType === 'moz-chunked-arraybuffer'; + } catch (e) { + return false; } - if ((ch >= 0x41 && ch <= 0x46) || (ch >= 0x61 && ch <= 0x66)) { - // 'A'-'F', 'a'-'f' - return (ch & 0x0F) + 9; - } - return -1; - } + })(); - Lexer.prototype = { - nextChar: function Lexer_nextChar() { - return (this.currentChar = this.stream.getByte()); + NetworkManager.prototype = { + requestRange: function NetworkManager_requestRange(begin, end, listeners) { + var args = { + begin: begin, + end: end + }; + for (var prop in listeners) { + args[prop] = listeners[prop]; + } + return this.request(args); }, - peekChar: function Lexer_peekChar() { - return this.stream.peekByte(); + + requestFull: function NetworkManager_requestFull(listeners) { + return this.request(listeners); }, - getNumber: function Lexer_getNumber() { - var ch = this.currentChar; - var eNotation = false; - var divideBy = 0; // different from 0 if it's a floating point value - var sign = 1; - if (ch === 0x2D) { // '-' - sign = -1; - ch = this.nextChar(); - } else if (ch === 0x2B) { // '+' - ch = this.nextChar(); - } - if (ch === 0x2E) { // '.' - divideBy = 10; - ch = this.nextChar(); - } - if (ch < 0x30 || ch > 0x39) { // '0' - '9' - error('Invalid number: ' + String.fromCharCode(ch)); - return 0; - } + request: function NetworkManager_request(args) { + var xhr = this.getXhr(); + var xhrId = this.currXhrId++; + var pendingRequest = this.pendingRequests[xhrId] = { + xhr: xhr + }; - var baseValue = ch - 0x30; // '0' - var powerValue = 0; - var powerValueSign = 1; - - while ((ch = this.nextChar()) >= 0) { - if (0x30 <= ch && ch <= 0x39) { // '0' - '9' - var currentDigit = ch - 0x30; // '0' - if (eNotation) { // We are after an 'e' or 'E' - powerValue = powerValue * 10 + currentDigit; - } else { - if (divideBy !== 0) { // We are after a point - divideBy *= 10; - } - baseValue = baseValue * 10 + currentDigit; - } - } else if (ch === 0x2E) { // '.' - if (divideBy === 0) { - divideBy = 1; - } else { - // A number can have only one '.' - break; - } - } else if (ch === 0x2D) { // '-' - // ignore minus signs in the middle of numbers to match - // Adobe's behavior - warn('Badly formated number'); - } else if (ch === 0x45 || ch === 0x65) { // 'E', 'e' - // 'E' can be either a scientific notation or the beginning of a new - // operator - ch = this.peekChar(); - if (ch === 0x2B || ch === 0x2D) { // '+', '-' - powerValueSign = (ch === 0x2D) ? -1 : 1; - this.nextChar(); // Consume the sign character - } else if (ch < 0x30 || ch > 0x39) { // '0' - '9' - // The 'E' must be the beginning of a new operator - break; - } - eNotation = true; - } else { - // the last character doesn't belong to us - break; - } - } - - if (divideBy !== 0) { - baseValue /= divideBy; - } - if (eNotation) { - baseValue *= Math.pow(10, powerValueSign * powerValue); - } - return sign * baseValue; - }, - getString: function Lexer_getString() { - var numParen = 1; - var done = false; - var strBuf = this.strBuf; - strBuf.length = 0; - - var ch = this.nextChar(); - while (true) { - var charBuffered = false; - switch (ch | 0) { - case -1: - warn('Unterminated string'); - done = true; - break; - case 0x28: // '(' - ++numParen; - strBuf.push('('); - break; - case 0x29: // ')' - if (--numParen === 0) { - this.nextChar(); // consume strings ')' - done = true; - } else { - strBuf.push(')'); - } - break; - case 0x5C: // '\\' - ch = this.nextChar(); - switch (ch) { - case -1: - warn('Unterminated string'); - done = true; - break; - case 0x6E: // 'n' - strBuf.push('\n'); - break; - case 0x72: // 'r' - strBuf.push('\r'); - break; - case 0x74: // 't' - strBuf.push('\t'); - break; - case 0x62: // 'b' - strBuf.push('\b'); - break; - case 0x66: // 'f' - strBuf.push('\f'); - break; - case 0x5C: // '\' - case 0x28: // '(' - case 0x29: // ')' - strBuf.push(String.fromCharCode(ch)); - break; - case 0x30: case 0x31: case 0x32: case 0x33: // '0'-'3' - case 0x34: case 0x35: case 0x36: case 0x37: // '4'-'7' - var x = ch & 0x0F; - ch = this.nextChar(); - charBuffered = true; - if (ch >= 0x30 && ch <= 0x37) { // '0'-'7' - x = (x << 3) + (ch & 0x0F); - ch = this.nextChar(); - if (ch >= 0x30 && ch <= 0x37) { // '0'-'7' - charBuffered = false; - x = (x << 3) + (ch & 0x0F); - } - } - strBuf.push(String.fromCharCode(x)); - break; - case 0x0D: // CR - if (this.peekChar() === 0x0A) { // LF - this.nextChar(); - } - break; - case 0x0A: // LF - break; - default: - strBuf.push(String.fromCharCode(ch)); - break; - } - break; - default: - strBuf.push(String.fromCharCode(ch)); - break; - } - if (done) { - break; - } - if (!charBuffered) { - ch = this.nextChar(); - } - } - return strBuf.join(''); - }, - getName: function Lexer_getName() { - var ch; - var strBuf = this.strBuf; - strBuf.length = 0; - while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) { - if (ch === 0x23) { // '#' - ch = this.nextChar(); - var x = toHexDigit(ch); - if (x !== -1) { - var x2 = toHexDigit(this.nextChar()); - if (x2 === -1) { - error('Illegal digit in hex char in name: ' + x2); - } - strBuf.push(String.fromCharCode((x << 4) | x2)); - } else { - strBuf.push('#', String.fromCharCode(ch)); - } - } else { - strBuf.push(String.fromCharCode(ch)); - } - } - if (strBuf.length > 128) { - error('Warning: name token is longer than allowed by the spec: ' + - strBuf.length); - } - return Name.get(strBuf.join('')); - }, - getHexString: function Lexer_getHexString() { - var strBuf = this.strBuf; - strBuf.length = 0; - var ch = this.currentChar; - var isFirstHex = true; - var firstDigit; - var secondDigit; - while (true) { - if (ch < 0) { - warn('Unterminated hex string'); - break; - } else if (ch === 0x3E) { // '>' - this.nextChar(); - break; - } else if (specialChars[ch] === 1) { - ch = this.nextChar(); + xhr.open('GET', this.url); + xhr.withCredentials = this.withCredentials; + for (var property in this.httpHeaders) { + var value = this.httpHeaders[property]; + if (typeof value === 'undefined') { continue; - } else { - if (isFirstHex) { - firstDigit = toHexDigit(ch); - if (firstDigit === -1) { - warn('Ignoring invalid character "' + ch + '" in hex string'); - ch = this.nextChar(); - continue; - } - } else { - secondDigit = toHexDigit(ch); - if (secondDigit === -1) { - warn('Ignoring invalid character "' + ch + '" in hex string'); - ch = this.nextChar(); - continue; - } - strBuf.push(String.fromCharCode((firstDigit << 4) | secondDigit)); - } - isFirstHex = !isFirstHex; - ch = this.nextChar(); } + xhr.setRequestHeader(property, value); } - return strBuf.join(''); + if (this.isHttp && 'begin' in args && 'end' in args) { + var rangeStr = args.begin + '-' + (args.end - 1); + xhr.setRequestHeader('Range', 'bytes=' + rangeStr); + pendingRequest.expectedStatus = 206; + } else { + pendingRequest.expectedStatus = 200; + } + + var useMozChunkedLoading = supportsMozChunked && !!args.onProgressiveData; + if (useMozChunkedLoading) { + xhr.responseType = 'moz-chunked-arraybuffer'; + pendingRequest.onProgressiveData = args.onProgressiveData; + pendingRequest.mozChunked = true; + } else { + xhr.responseType = 'arraybuffer'; + } + + if (args.onError) { + xhr.onerror = function(evt) { + args.onError(xhr.status); + }; + } + xhr.onreadystatechange = this.onStateChange.bind(this, xhrId); + xhr.onprogress = this.onProgress.bind(this, xhrId); + + pendingRequest.onHeadersReceived = args.onHeadersReceived; + pendingRequest.onDone = args.onDone; + pendingRequest.onError = args.onError; + pendingRequest.onProgress = args.onProgress; + + xhr.send(null); + + return xhrId; }, - getObj: function Lexer_getObj() { - // skip whitespace and comments - var comment = false; - var ch = this.currentChar; - while (true) { - if (ch < 0) { - return EOF; - } - if (comment) { - if (ch === 0x0A || ch === 0x0D) { // LF, CR - comment = false; - } - } else if (ch === 0x25) { // '%' - comment = true; - } else if (specialChars[ch] !== 1) { - break; - } - ch = this.nextChar(); + + onProgress: function NetworkManager_onProgress(xhrId, evt) { + var pendingRequest = this.pendingRequests[xhrId]; + if (!pendingRequest) { + // Maybe abortRequest was called... + return; } - // start reading token - switch (ch | 0) { - case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: // '0'-'4' - case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: // '5'-'9' - case 0x2B: case 0x2D: case 0x2E: // '+', '-', '.' - return this.getNumber(); - case 0x28: // '(' - return this.getString(); - case 0x2F: // '/' - return this.getName(); - // array punctuation - case 0x5B: // '[' - this.nextChar(); - return Cmd.get('['); - case 0x5D: // ']' - this.nextChar(); - return Cmd.get(']'); - // hex string or dict punctuation - case 0x3C: // '<' - ch = this.nextChar(); - if (ch === 0x3C) { - // dict punctuation - this.nextChar(); - return Cmd.get('<<'); - } - return this.getHexString(); - // dict punctuation - case 0x3E: // '>' - ch = this.nextChar(); - if (ch === 0x3E) { - this.nextChar(); - return Cmd.get('>>'); - } - return Cmd.get('>'); - case 0x7B: // '{' - this.nextChar(); - return Cmd.get('{'); - case 0x7D: // '}' - this.nextChar(); - return Cmd.get('}'); - case 0x29: // ')' - error('Illegal character: ' + ch); - break; + if (pendingRequest.mozChunked) { + var chunk = getArrayBuffer(pendingRequest.xhr); + pendingRequest.onProgressiveData(chunk); } - // command - var str = String.fromCharCode(ch); - var knownCommands = this.knownCommands; - var knownCommandFound = knownCommands && knownCommands[str] !== undefined; - while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) { - // stop if known command is found and next character does not make - // the str a command - var possibleCommand = str + String.fromCharCode(ch); - if (knownCommandFound && knownCommands[possibleCommand] === undefined) { - break; - } - if (str.length === 128) { - error('Command token too long: ' + str.length); - } - str = possibleCommand; - knownCommandFound = knownCommands && knownCommands[str] !== undefined; + var onProgress = pendingRequest.onProgress; + if (onProgress) { + onProgress(evt); } - if (str === 'true') { - return true; - } - if (str === 'false') { - return false; - } - if (str === 'null') { - return null; - } - return Cmd.get(str); }, - skipToNextLine: function Lexer_skipToNextLine() { - var ch = this.currentChar; - while (ch >= 0) { - if (ch === 0x0D) { // CR - ch = this.nextChar(); - if (ch === 0x0A) { // LF - this.nextChar(); - } - break; - } else if (ch === 0x0A) { // LF - this.nextChar(); - break; + + onStateChange: function NetworkManager_onStateChange(xhrId, evt) { + var pendingRequest = this.pendingRequests[xhrId]; + if (!pendingRequest) { + // Maybe abortRequest was called... + return; + } + + var xhr = pendingRequest.xhr; + if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) { + pendingRequest.onHeadersReceived(); + delete pendingRequest.onHeadersReceived; + } + + if (xhr.readyState !== 4) { + return; + } + + if (!(xhrId in this.pendingRequests)) { + // The XHR request might have been aborted in onHeadersReceived() + // callback, in which case we should abort request + return; + } + + delete this.pendingRequests[xhrId]; + + // success status == 0 can be on ftp, file and other protocols + if (xhr.status === 0 && this.isHttp) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); } - ch = this.nextChar(); + return; } - } - }; + var xhrStatus = xhr.status || OK_RESPONSE; - return Lexer; -})(); + // From http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.2: + // "A server MAY ignore the Range header". This means it's possible to + // get a 200 rather than a 206 response from a range request. + var ok_response_on_range_request = + xhrStatus === OK_RESPONSE && + pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE; -var Linearization = { - create: function LinearizationCreate(stream) { - function getInt(name, allowZeroValue) { - var obj = linDict.get(name); - if (isInt(obj) && (allowZeroValue ? obj >= 0 : obj > 0)) { - return obj; - } - throw new Error('The "' + name + '" parameter in the linearization ' + - 'dictionary is invalid.'); - } - function getHints() { - var hints = linDict.get('H'), hintsLength, item; - if (isArray(hints) && - ((hintsLength = hints.length) === 2 || hintsLength === 4)) { - for (var index = 0; index < hintsLength; index++) { - if (!(isInt(item = hints[index]) && item > 0)) { - throw new Error('Hint (' + index + - ') in the linearization dictionary is invalid.'); - } + if (!ok_response_on_range_request && + xhrStatus !== pendingRequest.expectedStatus) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); } - return hints; + return; } - throw new Error('Hint array in the linearization dictionary is invalid.'); - } - var parser = new Parser(new Lexer(stream), false, null); - var obj1 = parser.getObj(); - var obj2 = parser.getObj(); - var obj3 = parser.getObj(); - var linDict = parser.getObj(); - var obj, length; - if (!(isInt(obj1) && isInt(obj2) && isCmd(obj3, 'obj') && isDict(linDict) && - isNum(obj = linDict.get('Linearized')) && obj > 0)) { - return null; // No valid linearization dictionary found. - } else if ((length = getInt('L')) !== stream.length) { - throw new Error('The "L" parameter in the linearization dictionary ' + - 'does not equal the stream length.'); - } - return { - length: length, - hints: getHints(), - objectNumberFirst: getInt('O'), - endFirst: getInt('E'), - numPages: getInt('N'), - mainXRefEntriesOffset: getInt('T'), - pageFirst: (linDict.has('P') ? getInt('P', true) : 0) - }; - } -}; + this.loadedRequests[xhrId] = true; -var PostScriptParser = (function PostScriptParserClosure() { - function PostScriptParser(lexer) { - this.lexer = lexer; - this.operators = []; - this.token = null; - this.prev = null; - } - PostScriptParser.prototype = { - nextToken: function PostScriptParser_nextToken() { - this.prev = this.token; - this.token = this.lexer.getToken(); + var chunk = getArrayBuffer(xhr); + if (xhrStatus === PARTIAL_CONTENT_RESPONSE) { + var rangeHeader = xhr.getResponseHeader('Content-Range'); + var matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader); + var begin = parseInt(matches[1], 10); + pendingRequest.onDone({ + begin: begin, + chunk: chunk + }); + } else if (pendingRequest.onProgressiveData) { + pendingRequest.onDone(null); + } else if (chunk) { + pendingRequest.onDone({ + begin: 0, + chunk: chunk + }); + } else if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } }, - accept: function PostScriptParser_accept(type) { - if (this.token.type === type) { - this.nextToken(); + + hasPendingRequests: function NetworkManager_hasPendingRequests() { + for (var xhrId in this.pendingRequests) { return true; } return false; }, - expect: function PostScriptParser_expect(type) { - if (this.accept(type)) { - return true; + + getRequestXhr: function NetworkManager_getXhr(xhrId) { + return this.pendingRequests[xhrId].xhr; + }, + + isStreamingRequest: function NetworkManager_isStreamingRequest(xhrId) { + return !!(this.pendingRequests[xhrId].onProgressiveData); + }, + + isPendingRequest: function NetworkManager_isPendingRequest(xhrId) { + return xhrId in this.pendingRequests; + }, + + isLoadedRequest: function NetworkManager_isLoadedRequest(xhrId) { + return xhrId in this.loadedRequests; + }, + + abortAllRequests: function NetworkManager_abortAllRequests() { + for (var xhrId in this.pendingRequests) { + this.abortRequest(xhrId | 0); } - error('Unexpected symbol: found ' + this.token.type + ' expected ' + - type + '.'); }, - parse: function PostScriptParser_parse() { - this.nextToken(); - this.expect(PostScriptTokenTypes.LBRACE); - this.parseBlock(); - this.expect(PostScriptTokenTypes.RBRACE); - return this.operators; + + abortRequest: function NetworkManager_abortRequest(xhrId) { + var xhr = this.pendingRequests[xhrId].xhr; + delete this.pendingRequests[xhrId]; + xhr.abort(); + } + }; + + return NetworkManager; +})(); + +(function (root, factory) { + { + factory((root.pdfjsCoreNetwork = {})); + } +}(this, function (exports) { + exports.NetworkManager = NetworkManager; +})); + + +(function (root, factory) { + { + factory((root.pdfjsSharedGlobal = {})); + } +}(this, function (exports) { + + var globalScope = (typeof window !== 'undefined') ? window : + (typeof global !== 'undefined') ? global : + (typeof self !== 'undefined') ? self : this; + + var isWorker = (typeof window === 'undefined'); + + // The global PDFJS object exposes the API + // In production, it will be declared outside a global wrapper + // In development, it will be declared here + if (!globalScope.PDFJS) { + globalScope.PDFJS = {}; + } + + globalScope.PDFJS.pdfBug = false; + + exports.globalScope = globalScope; + exports.isWorker = isWorker; + exports.PDFJS = globalScope.PDFJS; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreBidi = {}), root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedGlobal) { + +var PDFJS = sharedGlobal.PDFJS; + +var bidi = PDFJS.bidi = (function bidiClosure() { + // Character types for symbols from 0000 to 00FF. + var baseTypes = [ + 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'S', 'B', 'S', 'WS', + 'B', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', + 'BN', 'BN', 'B', 'B', 'B', 'S', 'WS', 'ON', 'ON', 'ET', 'ET', 'ET', 'ON', + 'ON', 'ON', 'ON', 'ON', 'ON', 'CS', 'ON', 'CS', 'ON', 'EN', 'EN', 'EN', + 'EN', 'EN', 'EN', 'EN', 'EN', 'EN', 'EN', 'ON', 'ON', 'ON', 'ON', 'ON', + 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'ON', 'ON', + 'ON', 'ON', 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'ON', 'ON', 'ON', 'ON', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'B', 'BN', + 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', + 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', + 'BN', 'CS', 'ON', 'ET', 'ET', 'ET', 'ET', 'ON', 'ON', 'ON', 'ON', 'L', 'ON', + 'ON', 'ON', 'ON', 'ON', 'ET', 'ET', 'EN', 'EN', 'ON', 'L', 'ON', 'ON', 'ON', + 'EN', 'L', 'ON', 'ON', 'ON', 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L' + ]; + + // Character types for symbols from 0600 to 06FF + var arabicTypes = [ + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'CS', 'AL', 'ON', 'ON', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', + 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', + 'AN', 'ET', 'AN', 'AN', 'AL', 'AL', 'AL', 'NSM', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', + 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'ON', 'NSM', + 'NSM', 'NSM', 'NSM', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL' + ]; + + function isOdd(i) { + return (i & 1) !== 0; + } + + function isEven(i) { + return (i & 1) === 0; + } + + function findUnequal(arr, start, value) { + for (var j = start, jj = arr.length; j < jj; ++j) { + if (arr[j] !== value) { + return j; + } + } + return j; + } + + function setValues(arr, start, end, value) { + for (var j = start; j < end; ++j) { + arr[j] = value; + } + } + + function reverseValues(arr, start, end) { + for (var i = start, j = end - 1; i < j; ++i, --j) { + var temp = arr[i]; + arr[i] = arr[j]; + arr[j] = temp; + } + } + + function createBidiText(str, isLTR, vertical) { + return { + str: str, + dir: (vertical ? 'ttb' : (isLTR ? 'ltr' : 'rtl')) + }; + } + + // These are used in bidi(), which is called frequently. We re-use them on + // each call to avoid unnecessary allocations. + var chars = []; + var types = []; + + function bidi(str, startLevel, vertical) { + var isLTR = true; + var strLength = str.length; + if (strLength === 0 || vertical) { + return createBidiText(str, isLTR, vertical); + } + + // Get types and fill arrays + chars.length = strLength; + types.length = strLength; + var numBidi = 0; + + var i, ii; + for (i = 0; i < strLength; ++i) { + chars[i] = str.charAt(i); + + var charCode = str.charCodeAt(i); + var charType = 'L'; + if (charCode <= 0x00ff) { + charType = baseTypes[charCode]; + } else if (0x0590 <= charCode && charCode <= 0x05f4) { + charType = 'R'; + } else if (0x0600 <= charCode && charCode <= 0x06ff) { + charType = arabicTypes[charCode & 0xff]; + } else if (0x0700 <= charCode && charCode <= 0x08AC) { + charType = 'AL'; + } + if (charType === 'R' || charType === 'AL' || charType === 'AN') { + numBidi++; + } + types[i] = charType; + } + + // Detect the bidi method + // - If there are no rtl characters then no bidi needed + // - If less than 30% chars are rtl then string is primarily ltr + // - If more than 30% chars are rtl then string is primarily rtl + if (numBidi === 0) { + isLTR = true; + return createBidiText(str, isLTR); + } + + if (startLevel === -1) { + if ((strLength / numBidi) < 0.3) { + isLTR = true; + startLevel = 0; + } else { + isLTR = false; + startLevel = 1; + } + } + + var levels = []; + for (i = 0; i < strLength; ++i) { + levels[i] = startLevel; + } + + /* + X1-X10: skip most of this, since we are NOT doing the embeddings. + */ + var e = (isOdd(startLevel) ? 'R' : 'L'); + var sor = e; + var eor = sor; + + /* + W1. Examine each non-spacing mark (NSM) in the level run, and change the + type of the NSM to the type of the previous character. If the NSM is at the + start of the level run, it will get the type of sor. + */ + var lastType = sor; + for (i = 0; i < strLength; ++i) { + if (types[i] === 'NSM') { + types[i] = lastType; + } else { + lastType = types[i]; + } + } + + /* + W2. Search backwards from each instance of a European number until the + first strong type (R, L, AL, or sor) is found. If an AL is found, change + the type of the European number to Arabic number. + */ + lastType = sor; + var t; + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'EN') { + types[i] = (lastType === 'AL') ? 'AN' : 'EN'; + } else if (t === 'R' || t === 'L' || t === 'AL') { + lastType = t; + } + } + + /* + W3. Change all ALs to R. + */ + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'AL') { + types[i] = 'R'; + } + } + + /* + W4. A single European separator between two European numbers changes to a + European number. A single common separator between two numbers of the same + type changes to that type: + */ + for (i = 1; i < strLength - 1; ++i) { + if (types[i] === 'ES' && types[i - 1] === 'EN' && types[i + 1] === 'EN') { + types[i] = 'EN'; + } + if (types[i] === 'CS' && + (types[i - 1] === 'EN' || types[i - 1] === 'AN') && + types[i + 1] === types[i - 1]) { + types[i] = types[i - 1]; + } + } + + /* + W5. A sequence of European terminators adjacent to European numbers changes + to all European numbers: + */ + for (i = 0; i < strLength; ++i) { + if (types[i] === 'EN') { + // do before + var j; + for (j = i - 1; j >= 0; --j) { + if (types[j] !== 'ET') { + break; + } + types[j] = 'EN'; + } + // do after + for (j = i + 1; j < strLength; --j) { + if (types[j] !== 'ET') { + break; + } + types[j] = 'EN'; + } + } + } + + /* + W6. Otherwise, separators and terminators change to Other Neutral: + */ + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'WS' || t === 'ES' || t === 'ET' || t === 'CS') { + types[i] = 'ON'; + } + } + + /* + W7. Search backwards from each instance of a European number until the + first strong type (R, L, or sor) is found. If an L is found, then change + the type of the European number to L. + */ + lastType = sor; + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'EN') { + types[i] = ((lastType === 'L') ? 'L' : 'EN'); + } else if (t === 'R' || t === 'L') { + lastType = t; + } + } + + /* + N1. A sequence of neutrals takes the direction of the surrounding strong + text if the text on both sides has the same direction. European and Arabic + numbers are treated as though they were R. Start-of-level-run (sor) and + end-of-level-run (eor) are used at level run boundaries. + */ + for (i = 0; i < strLength; ++i) { + if (types[i] === 'ON') { + var end = findUnequal(types, i + 1, 'ON'); + var before = sor; + if (i > 0) { + before = types[i - 1]; + } + + var after = eor; + if (end + 1 < strLength) { + after = types[end + 1]; + } + if (before !== 'L') { + before = 'R'; + } + if (after !== 'L') { + after = 'R'; + } + if (before === after) { + setValues(types, i, end, before); + } + i = end - 1; // reset to end (-1 so next iteration is ok) + } + } + + /* + N2. Any remaining neutrals take the embedding direction. + */ + for (i = 0; i < strLength; ++i) { + if (types[i] === 'ON') { + types[i] = e; + } + } + + /* + I1. For all characters with an even (left-to-right) embedding direction, + those of type R go up one level and those of type AN or EN go up two + levels. + I2. For all characters with an odd (right-to-left) embedding direction, + those of type L, EN or AN go up one level. + */ + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (isEven(levels[i])) { + if (t === 'R') { + levels[i] += 1; + } else if (t === 'AN' || t === 'EN') { + levels[i] += 2; + } + } else { // isOdd + if (t === 'L' || t === 'AN' || t === 'EN') { + levels[i] += 1; + } + } + } + + /* + L1. On each line, reset the embedding level of the following characters to + the paragraph embedding level: + + segment separators, + paragraph separators, + any sequence of whitespace characters preceding a segment separator or + paragraph separator, and any sequence of white space characters at the end + of the line. + */ + + // don't bother as text is only single line + + /* + L2. From the highest level found in the text to the lowest odd level on + each line, reverse any contiguous sequence of characters that are at that + level or higher. + */ + + // find highest level & lowest odd level + var highestLevel = -1; + var lowestOddLevel = 99; + var level; + for (i = 0, ii = levels.length; i < ii; ++i) { + level = levels[i]; + if (highestLevel < level) { + highestLevel = level; + } + if (lowestOddLevel > level && isOdd(level)) { + lowestOddLevel = level; + } + } + + // now reverse between those limits + for (level = highestLevel; level >= lowestOddLevel; --level) { + // find segments to reverse + var start = -1; + for (i = 0, ii = levels.length; i < ii; ++i) { + if (levels[i] < level) { + if (start >= 0) { + reverseValues(chars, start, i); + start = -1; + } + } else if (start < 0) { + start = i; + } + } + if (start >= 0) { + reverseValues(chars, start, levels.length); + } + } + + /* + L3. Combining marks applied to a right-to-left base character will at this + point precede their base character. If the rendering engine expects them to + follow the base characters in the final display process, then the ordering + of the marks and the base character must be reversed. + */ + + // don't bother for now + + /* + L4. A character that possesses the mirrored property as specified by + Section 4.7, Mirrored, must be depicted by a mirrored glyph if the resolved + directionality of that character is R. + */ + + // don't mirror as characters are already mirrored in the pdf + + // Finally, return string + for (i = 0, ii = chars.length; i < ii; ++i) { + var ch = chars[i]; + if (ch === '<' || ch === '>') { + chars[i] = ''; + } + } + return createBidiText(chars.join(''), isLTR); + } + + return bidi; +})(); + +exports.bidi = bidi; +})); + + +(function (root, factory) { + { + factory((root.pdfjsSharedUtil = {}), root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedGlobal) { + +var PDFJS = sharedGlobal.PDFJS; +var globalScope = sharedGlobal.globalScope; + +var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; + +var TextRenderingMode = { + FILL: 0, + STROKE: 1, + FILL_STROKE: 2, + INVISIBLE: 3, + FILL_ADD_TO_PATH: 4, + STROKE_ADD_TO_PATH: 5, + FILL_STROKE_ADD_TO_PATH: 6, + ADD_TO_PATH: 7, + FILL_STROKE_MASK: 3, + ADD_TO_PATH_FLAG: 4 +}; + +var ImageKind = { + GRAYSCALE_1BPP: 1, + RGB_24BPP: 2, + RGBA_32BPP: 3 +}; + +var AnnotationType = { + TEXT: 1, + LINK: 2, + FREETEXT: 3, + LINE: 4, + SQUARE: 5, + CIRCLE: 6, + POLYGON: 7, + POLYLINE: 8, + HIGHLIGHT: 9, + UNDERLINE: 10, + SQUIGGLY: 11, + STRIKEOUT: 12, + STAMP: 13, + CARET: 14, + INK: 15, + POPUP: 16, + FILEATTACHMENT: 17, + SOUND: 18, + MOVIE: 19, + WIDGET: 20, + SCREEN: 21, + PRINTERMARK: 22, + TRAPNET: 23, + WATERMARK: 24, + THREED: 25, + REDACT: 26 +}; + +var AnnotationFlag = { + INVISIBLE: 0x01, + HIDDEN: 0x02, + PRINT: 0x04, + NOZOOM: 0x08, + NOROTATE: 0x10, + NOVIEW: 0x20, + READONLY: 0x40, + LOCKED: 0x80, + TOGGLENOVIEW: 0x100, + LOCKEDCONTENTS: 0x200 +}; + +var AnnotationBorderStyleType = { + SOLID: 1, + DASHED: 2, + BEVELED: 3, + INSET: 4, + UNDERLINE: 5 +}; + +var StreamType = { + UNKNOWN: 0, + FLATE: 1, + LZW: 2, + DCT: 3, + JPX: 4, + JBIG: 5, + A85: 6, + AHX: 7, + CCF: 8, + RL: 9 +}; + +var FontType = { + UNKNOWN: 0, + TYPE1: 1, + TYPE1C: 2, + CIDFONTTYPE0: 3, + CIDFONTTYPE0C: 4, + TRUETYPE: 5, + CIDFONTTYPE2: 6, + TYPE3: 7, + OPENTYPE: 8, + TYPE0: 9, + MMTYPE1: 10 +}; + +PDFJS.VERBOSITY_LEVELS = { + errors: 0, + warnings: 1, + infos: 5 +}; + +// All the possible operations for an operator list. +var OPS = PDFJS.OPS = { + // Intentionally start from 1 so it is easy to spot bad operators that will be + // 0's. + dependency: 1, + setLineWidth: 2, + setLineCap: 3, + setLineJoin: 4, + setMiterLimit: 5, + setDash: 6, + setRenderingIntent: 7, + setFlatness: 8, + setGState: 9, + save: 10, + restore: 11, + transform: 12, + moveTo: 13, + lineTo: 14, + curveTo: 15, + curveTo2: 16, + curveTo3: 17, + closePath: 18, + rectangle: 19, + stroke: 20, + closeStroke: 21, + fill: 22, + eoFill: 23, + fillStroke: 24, + eoFillStroke: 25, + closeFillStroke: 26, + closeEOFillStroke: 27, + endPath: 28, + clip: 29, + eoClip: 30, + beginText: 31, + endText: 32, + setCharSpacing: 33, + setWordSpacing: 34, + setHScale: 35, + setLeading: 36, + setFont: 37, + setTextRenderingMode: 38, + setTextRise: 39, + moveText: 40, + setLeadingMoveText: 41, + setTextMatrix: 42, + nextLine: 43, + showText: 44, + showSpacedText: 45, + nextLineShowText: 46, + nextLineSetSpacingShowText: 47, + setCharWidth: 48, + setCharWidthAndBounds: 49, + setStrokeColorSpace: 50, + setFillColorSpace: 51, + setStrokeColor: 52, + setStrokeColorN: 53, + setFillColor: 54, + setFillColorN: 55, + setStrokeGray: 56, + setFillGray: 57, + setStrokeRGBColor: 58, + setFillRGBColor: 59, + setStrokeCMYKColor: 60, + setFillCMYKColor: 61, + shadingFill: 62, + beginInlineImage: 63, + beginImageData: 64, + endInlineImage: 65, + paintXObject: 66, + markPoint: 67, + markPointProps: 68, + beginMarkedContent: 69, + beginMarkedContentProps: 70, + endMarkedContent: 71, + beginCompat: 72, + endCompat: 73, + paintFormXObjectBegin: 74, + paintFormXObjectEnd: 75, + beginGroup: 76, + endGroup: 77, + beginAnnotations: 78, + endAnnotations: 79, + beginAnnotation: 80, + endAnnotation: 81, + paintJpegXObject: 82, + paintImageMaskXObject: 83, + paintImageMaskXObjectGroup: 84, + paintImageXObject: 85, + paintInlineImageXObject: 86, + paintInlineImageXObjectGroup: 87, + paintImageXObjectRepeat: 88, + paintImageMaskXObjectRepeat: 89, + paintSolidColorImageMask: 90, + constructPath: 91 +}; + +// A notice for devs. These are good for things that are helpful to devs, such +// as warning that Workers were disabled, which is important to devs but not +// end users. +function info(msg) { + if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.infos) { + console.log('Info: ' + msg); + } +} + +// Non-fatal warnings. +function warn(msg) { + if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.warnings) { + console.log('Warning: ' + msg); + } +} + +// Deprecated API function -- treated as warnings. +function deprecated(details) { + warn('Deprecated API usage: ' + details); +} + +// Fatal errors that should trigger the fallback UI and halt execution by +// throwing an exception. +function error(msg) { + if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.errors) { + console.log('Error: ' + msg); + console.log(backtrace()); + } + throw new Error(msg); +} + +function backtrace() { + try { + throw new Error(); + } catch (e) { + return e.stack ? e.stack.split('\n').slice(2).join('\n') : ''; + } +} + +function assert(cond, msg) { + if (!cond) { + error(msg); + } +} + +var UNSUPPORTED_FEATURES = PDFJS.UNSUPPORTED_FEATURES = { + unknown: 'unknown', + forms: 'forms', + javaScript: 'javaScript', + smask: 'smask', + shadingPattern: 'shadingPattern', + font: 'font' +}; + +// Combines two URLs. The baseUrl shall be absolute URL. If the url is an +// absolute URL, it will be returned as is. +function combineUrl(baseUrl, url) { + if (!url) { + return baseUrl; + } + if (/^[a-z][a-z0-9+\-.]*:/i.test(url)) { + return url; + } + var i; + if (url.charAt(0) === '/') { + // absolute path + i = baseUrl.indexOf('://'); + if (url.charAt(1) === '/') { + ++i; + } else { + i = baseUrl.indexOf('/', i + 3); + } + return baseUrl.substring(0, i) + url; + } else { + // relative path + var pathLength = baseUrl.length; + i = baseUrl.lastIndexOf('#'); + pathLength = i >= 0 ? i : pathLength; + i = baseUrl.lastIndexOf('?', pathLength); + pathLength = i >= 0 ? i : pathLength; + var prefixLength = baseUrl.lastIndexOf('/', pathLength); + return baseUrl.substring(0, prefixLength + 1) + url; + } +} + +// Validates if URL is safe and allowed, e.g. to avoid XSS. +function isValidUrl(url, allowRelative) { + if (!url) { + return false; + } + // RFC 3986 (http://tools.ietf.org/html/rfc3986#section-3.1) + // scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." ) + var protocol = /^[a-z][a-z0-9+\-.]*(?=:)/i.exec(url); + if (!protocol) { + return allowRelative; + } + protocol = protocol[0].toLowerCase(); + switch (protocol) { + case 'http': + case 'https': + case 'ftp': + case 'mailto': + case 'tel': + return true; + default: + return false; + } +} +PDFJS.isValidUrl = isValidUrl; + +function shadow(obj, prop, value) { + Object.defineProperty(obj, prop, { value: value, + enumerable: true, + configurable: true, + writable: false }); + return value; +} +PDFJS.shadow = shadow; + +var LinkTarget = PDFJS.LinkTarget = { + NONE: 0, // Default value. + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4, +}; +var LinkTargetStringMap = [ + '', + '_self', + '_blank', + '_parent', + '_top' +]; + +function isExternalLinkTargetSet() { + if (PDFJS.openExternalLinksInNewWindow) { + deprecated('PDFJS.openExternalLinksInNewWindow, please use ' + + '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.'); + if (PDFJS.externalLinkTarget === LinkTarget.NONE) { + PDFJS.externalLinkTarget = LinkTarget.BLANK; + } + // Reset the deprecated parameter, to suppress further warnings. + PDFJS.openExternalLinksInNewWindow = false; + } + switch (PDFJS.externalLinkTarget) { + case LinkTarget.NONE: + return false; + case LinkTarget.SELF: + case LinkTarget.BLANK: + case LinkTarget.PARENT: + case LinkTarget.TOP: + return true; + } + warn('PDFJS.externalLinkTarget is invalid: ' + PDFJS.externalLinkTarget); + // Reset the external link target, to suppress further warnings. + PDFJS.externalLinkTarget = LinkTarget.NONE; + return false; +} +PDFJS.isExternalLinkTargetSet = isExternalLinkTargetSet; + +var PasswordResponses = PDFJS.PasswordResponses = { + NEED_PASSWORD: 1, + INCORRECT_PASSWORD: 2 +}; + +var PasswordException = (function PasswordExceptionClosure() { + function PasswordException(msg, code) { + this.name = 'PasswordException'; + this.message = msg; + this.code = code; + } + + PasswordException.prototype = new Error(); + PasswordException.constructor = PasswordException; + + return PasswordException; +})(); +PDFJS.PasswordException = PasswordException; + +var UnknownErrorException = (function UnknownErrorExceptionClosure() { + function UnknownErrorException(msg, details) { + this.name = 'UnknownErrorException'; + this.message = msg; + this.details = details; + } + + UnknownErrorException.prototype = new Error(); + UnknownErrorException.constructor = UnknownErrorException; + + return UnknownErrorException; +})(); +PDFJS.UnknownErrorException = UnknownErrorException; + +var InvalidPDFException = (function InvalidPDFExceptionClosure() { + function InvalidPDFException(msg) { + this.name = 'InvalidPDFException'; + this.message = msg; + } + + InvalidPDFException.prototype = new Error(); + InvalidPDFException.constructor = InvalidPDFException; + + return InvalidPDFException; +})(); +PDFJS.InvalidPDFException = InvalidPDFException; + +var MissingPDFException = (function MissingPDFExceptionClosure() { + function MissingPDFException(msg) { + this.name = 'MissingPDFException'; + this.message = msg; + } + + MissingPDFException.prototype = new Error(); + MissingPDFException.constructor = MissingPDFException; + + return MissingPDFException; +})(); +PDFJS.MissingPDFException = MissingPDFException; + +var UnexpectedResponseException = + (function UnexpectedResponseExceptionClosure() { + function UnexpectedResponseException(msg, status) { + this.name = 'UnexpectedResponseException'; + this.message = msg; + this.status = status; + } + + UnexpectedResponseException.prototype = new Error(); + UnexpectedResponseException.constructor = UnexpectedResponseException; + + return UnexpectedResponseException; +})(); +PDFJS.UnexpectedResponseException = UnexpectedResponseException; + +var NotImplementedException = (function NotImplementedExceptionClosure() { + function NotImplementedException(msg) { + this.message = msg; + } + + NotImplementedException.prototype = new Error(); + NotImplementedException.prototype.name = 'NotImplementedException'; + NotImplementedException.constructor = NotImplementedException; + + return NotImplementedException; +})(); + +var MissingDataException = (function MissingDataExceptionClosure() { + function MissingDataException(begin, end) { + this.begin = begin; + this.end = end; + this.message = 'Missing data [' + begin + ', ' + end + ')'; + } + + MissingDataException.prototype = new Error(); + MissingDataException.prototype.name = 'MissingDataException'; + MissingDataException.constructor = MissingDataException; + + return MissingDataException; +})(); + +var XRefParseException = (function XRefParseExceptionClosure() { + function XRefParseException(msg) { + this.message = msg; + } + + XRefParseException.prototype = new Error(); + XRefParseException.prototype.name = 'XRefParseException'; + XRefParseException.constructor = XRefParseException; + + return XRefParseException; +})(); + + +function bytesToString(bytes) { + assert(bytes !== null && typeof bytes === 'object' && + bytes.length !== undefined, 'Invalid argument for bytesToString'); + var length = bytes.length; + var MAX_ARGUMENT_COUNT = 8192; + if (length < MAX_ARGUMENT_COUNT) { + return String.fromCharCode.apply(null, bytes); + } + var strBuf = []; + for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) { + var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length); + var chunk = bytes.subarray(i, chunkEnd); + strBuf.push(String.fromCharCode.apply(null, chunk)); + } + return strBuf.join(''); +} + +function stringToBytes(str) { + assert(typeof str === 'string', 'Invalid argument for stringToBytes'); + var length = str.length; + var bytes = new Uint8Array(length); + for (var i = 0; i < length; ++i) { + bytes[i] = str.charCodeAt(i) & 0xFF; + } + return bytes; +} + +function string32(value) { + return String.fromCharCode((value >> 24) & 0xff, (value >> 16) & 0xff, + (value >> 8) & 0xff, value & 0xff); +} + +function log2(x) { + var n = 1, i = 0; + while (x > n) { + n <<= 1; + i++; + } + return i; +} + +function readInt8(data, start) { + return (data[start] << 24) >> 24; +} + +function readUint16(data, offset) { + return (data[offset] << 8) | data[offset + 1]; +} + +function readUint32(data, offset) { + return ((data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]) >>> 0; +} + +// Lazy test the endianness of the platform +// NOTE: This will be 'true' for simulated TypedArrays +function isLittleEndian() { + var buffer8 = new Uint8Array(2); + buffer8[0] = 1; + var buffer16 = new Uint16Array(buffer8.buffer); + return (buffer16[0] === 1); +} + +Object.defineProperty(PDFJS, 'isLittleEndian', { + configurable: true, + get: function PDFJS_isLittleEndian() { + return shadow(PDFJS, 'isLittleEndian', isLittleEndian()); + } +}); + + // Lazy test if the userAgent support CanvasTypedArrays +function hasCanvasTypedArrays() { + var canvas = document.createElement('canvas'); + canvas.width = canvas.height = 1; + var ctx = canvas.getContext('2d'); + var imageData = ctx.createImageData(1, 1); + return (typeof imageData.data.buffer !== 'undefined'); +} + +Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', { + configurable: true, + get: function PDFJS_hasCanvasTypedArrays() { + return shadow(PDFJS, 'hasCanvasTypedArrays', hasCanvasTypedArrays()); + } +}); + +var Uint32ArrayView = (function Uint32ArrayViewClosure() { + + function Uint32ArrayView(buffer, length) { + this.buffer = buffer; + this.byteLength = buffer.length; + this.length = length === undefined ? (this.byteLength >> 2) : length; + ensureUint32ArrayViewProps(this.length); + } + Uint32ArrayView.prototype = Object.create(null); + + var uint32ArrayViewSetters = 0; + function createUint32ArrayProp(index) { + return { + get: function () { + var buffer = this.buffer, offset = index << 2; + return (buffer[offset] | (buffer[offset + 1] << 8) | + (buffer[offset + 2] << 16) | (buffer[offset + 3] << 24)) >>> 0; + }, + set: function (value) { + var buffer = this.buffer, offset = index << 2; + buffer[offset] = value & 255; + buffer[offset + 1] = (value >> 8) & 255; + buffer[offset + 2] = (value >> 16) & 255; + buffer[offset + 3] = (value >>> 24) & 255; + } + }; + } + + function ensureUint32ArrayViewProps(length) { + while (uint32ArrayViewSetters < length) { + Object.defineProperty(Uint32ArrayView.prototype, + uint32ArrayViewSetters, + createUint32ArrayProp(uint32ArrayViewSetters)); + uint32ArrayViewSetters++; + } + } + + return Uint32ArrayView; +})(); + +exports.Uint32ArrayView = Uint32ArrayView; + +var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; + +var Util = PDFJS.Util = (function UtilClosure() { + function Util() {} + + var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')']; + + // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids + // creating many intermediate strings. + Util.makeCssRgb = function Util_makeCssRgb(r, g, b) { + rgbBuf[1] = r; + rgbBuf[3] = g; + rgbBuf[5] = b; + return rgbBuf.join(''); + }; + + // Concatenates two transformation matrices together and returns the result. + Util.transform = function Util_transform(m1, m2) { + return [ + m1[0] * m2[0] + m1[2] * m2[1], + m1[1] * m2[0] + m1[3] * m2[1], + m1[0] * m2[2] + m1[2] * m2[3], + m1[1] * m2[2] + m1[3] * m2[3], + m1[0] * m2[4] + m1[2] * m2[5] + m1[4], + m1[1] * m2[4] + m1[3] * m2[5] + m1[5] + ]; + }; + + // For 2d affine transforms + Util.applyTransform = function Util_applyTransform(p, m) { + var xt = p[0] * m[0] + p[1] * m[2] + m[4]; + var yt = p[0] * m[1] + p[1] * m[3] + m[5]; + return [xt, yt]; + }; + + Util.applyInverseTransform = function Util_applyInverseTransform(p, m) { + var d = m[0] * m[3] - m[1] * m[2]; + var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d; + var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d; + return [xt, yt]; + }; + + // Applies the transform to the rectangle and finds the minimum axially + // aligned bounding box. + Util.getAxialAlignedBoundingBox = + function Util_getAxialAlignedBoundingBox(r, m) { + + var p1 = Util.applyTransform(r, m); + var p2 = Util.applyTransform(r.slice(2, 4), m); + var p3 = Util.applyTransform([r[0], r[3]], m); + var p4 = Util.applyTransform([r[2], r[1]], m); + return [ + Math.min(p1[0], p2[0], p3[0], p4[0]), + Math.min(p1[1], p2[1], p3[1], p4[1]), + Math.max(p1[0], p2[0], p3[0], p4[0]), + Math.max(p1[1], p2[1], p3[1], p4[1]) + ]; + }; + + Util.inverseTransform = function Util_inverseTransform(m) { + var d = m[0] * m[3] - m[1] * m[2]; + return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, + (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d]; + }; + + // Apply a generic 3d matrix M on a 3-vector v: + // | a b c | | X | + // | d e f | x | Y | + // | g h i | | Z | + // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i], + // with v as [X,Y,Z] + Util.apply3dTransform = function Util_apply3dTransform(m, v) { + return [ + m[0] * v[0] + m[1] * v[1] + m[2] * v[2], + m[3] * v[0] + m[4] * v[1] + m[5] * v[2], + m[6] * v[0] + m[7] * v[1] + m[8] * v[2] + ]; + }; + + // This calculation uses Singular Value Decomposition. + // The SVD can be represented with formula A = USV. We are interested in the + // matrix S here because it represents the scale values. + Util.singularValueDecompose2dScale = + function Util_singularValueDecompose2dScale(m) { + + var transpose = [m[0], m[2], m[1], m[3]]; + + // Multiply matrix m with its transpose. + var a = m[0] * transpose[0] + m[1] * transpose[2]; + var b = m[0] * transpose[1] + m[1] * transpose[3]; + var c = m[2] * transpose[0] + m[3] * transpose[2]; + var d = m[2] * transpose[1] + m[3] * transpose[3]; + + // Solve the second degree polynomial to get roots. + var first = (a + d) / 2; + var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2; + var sx = first + second || 1; + var sy = first - second || 1; + + // Scale values are the square roots of the eigenvalues. + return [Math.sqrt(sx), Math.sqrt(sy)]; + }; + + // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2) + // For coordinate systems whose origin lies in the bottom-left, this + // means normalization to (BL,TR) ordering. For systems with origin in the + // top-left, this means (TL,BR) ordering. + Util.normalizeRect = function Util_normalizeRect(rect) { + var r = rect.slice(0); // clone rect + if (rect[0] > rect[2]) { + r[0] = rect[2]; + r[2] = rect[0]; + } + if (rect[1] > rect[3]) { + r[1] = rect[3]; + r[3] = rect[1]; + } + return r; + }; + + // Returns a rectangle [x1, y1, x2, y2] corresponding to the + // intersection of rect1 and rect2. If no intersection, returns 'false' + // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2] + Util.intersect = function Util_intersect(rect1, rect2) { + function compare(a, b) { + return a - b; + } + + // Order points along the axes + var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare), + orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare), + result = []; + + rect1 = Util.normalizeRect(rect1); + rect2 = Util.normalizeRect(rect2); + + // X: first and second points belong to different rectangles? + if ((orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) || + (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])) { + // Intersection must be between second and third points + result[0] = orderedX[1]; + result[2] = orderedX[2]; + } else { + return false; + } + + // Y: first and second points belong to different rectangles? + if ((orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) || + (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])) { + // Intersection must be between second and third points + result[1] = orderedY[1]; + result[3] = orderedY[2]; + } else { + return false; + } + + return result; + }; + + Util.sign = function Util_sign(num) { + return num < 0 ? -1 : 1; + }; + + Util.appendToArray = function Util_appendToArray(arr1, arr2) { + Array.prototype.push.apply(arr1, arr2); + }; + + Util.prependToArray = function Util_prependToArray(arr1, arr2) { + Array.prototype.unshift.apply(arr1, arr2); + }; + + Util.extendObj = function extendObj(obj1, obj2) { + for (var key in obj2) { + obj1[key] = obj2[key]; + } + }; + + Util.getInheritableProperty = function Util_getInheritableProperty(dict, + name) { + while (dict && !dict.has(name)) { + dict = dict.get('Parent'); + } + if (!dict) { + return null; + } + return dict.get(name); + }; + + Util.inherit = function Util_inherit(sub, base, prototype) { + sub.prototype = Object.create(base.prototype); + sub.prototype.constructor = sub; + for (var prop in prototype) { + sub.prototype[prop] = prototype[prop]; + } + }; + + Util.loadScript = function Util_loadScript(src, callback) { + var script = document.createElement('script'); + var loaded = false; + script.setAttribute('src', src); + if (callback) { + script.onload = function() { + if (!loaded) { + callback(); + } + loaded = true; + }; + } + document.getElementsByTagName('head')[0].appendChild(script); + }; + + return Util; +})(); + +/** + * PDF page viewport created based on scale, rotation and offset. + * @class + * @alias PDFJS.PageViewport + */ +var PageViewport = PDFJS.PageViewport = (function PageViewportClosure() { + /** + * @constructor + * @private + * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates. + * @param scale {number} scale of the viewport. + * @param rotation {number} rotations of the viewport in degrees. + * @param offsetX {number} offset X + * @param offsetY {number} offset Y + * @param dontFlip {boolean} if true, axis Y will not be flipped. + */ + function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) { + this.viewBox = viewBox; + this.scale = scale; + this.rotation = rotation; + this.offsetX = offsetX; + this.offsetY = offsetY; + + // creating transform to convert pdf coordinate system to the normal + // canvas like coordinates taking in account scale and rotation + var centerX = (viewBox[2] + viewBox[0]) / 2; + var centerY = (viewBox[3] + viewBox[1]) / 2; + var rotateA, rotateB, rotateC, rotateD; + rotation = rotation % 360; + rotation = rotation < 0 ? rotation + 360 : rotation; + switch (rotation) { + case 180: + rotateA = -1; rotateB = 0; rotateC = 0; rotateD = 1; + break; + case 90: + rotateA = 0; rotateB = 1; rotateC = 1; rotateD = 0; + break; + case 270: + rotateA = 0; rotateB = -1; rotateC = -1; rotateD = 0; + break; + //case 0: + default: + rotateA = 1; rotateB = 0; rotateC = 0; rotateD = -1; + break; + } + + if (dontFlip) { + rotateC = -rotateC; rotateD = -rotateD; + } + + var offsetCanvasX, offsetCanvasY; + var width, height; + if (rotateA === 0) { + offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX; + offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY; + width = Math.abs(viewBox[3] - viewBox[1]) * scale; + height = Math.abs(viewBox[2] - viewBox[0]) * scale; + } else { + offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; + offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; + width = Math.abs(viewBox[2] - viewBox[0]) * scale; + height = Math.abs(viewBox[3] - viewBox[1]) * scale; + } + // creating transform for the following operations: + // translate(-centerX, -centerY), rotate and flip vertically, + // scale, and translate(offsetCanvasX, offsetCanvasY) + this.transform = [ + rotateA * scale, + rotateB * scale, + rotateC * scale, + rotateD * scale, + offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, + offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY + ]; + + this.width = width; + this.height = height; + this.fontScale = scale; + } + PageViewport.prototype = /** @lends PDFJS.PageViewport.prototype */ { + /** + * Clones viewport with additional properties. + * @param args {Object} (optional) If specified, may contain the 'scale' or + * 'rotation' properties to override the corresponding properties in + * the cloned viewport. + * @returns {PDFJS.PageViewport} Cloned viewport. + */ + clone: function PageViewPort_clone(args) { + args = args || {}; + var scale = 'scale' in args ? args.scale : this.scale; + var rotation = 'rotation' in args ? args.rotation : this.rotation; + return new PageViewport(this.viewBox.slice(), scale, rotation, + this.offsetX, this.offsetY, args.dontFlip); }, - parseBlock: function PostScriptParser_parseBlock() { - while (true) { - if (this.accept(PostScriptTokenTypes.NUMBER)) { - this.operators.push(this.prev.value); - } else if (this.accept(PostScriptTokenTypes.OPERATOR)) { - this.operators.push(this.prev.value); - } else if (this.accept(PostScriptTokenTypes.LBRACE)) { - this.parseCondition(); + /** + * Converts PDF point to the viewport coordinates. For examples, useful for + * converting PDF location into canvas pixel coordinates. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the viewport coordinate space. + * @see {@link convertToPdfPoint} + * @see {@link convertToViewportRectangle} + */ + convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) { + return Util.applyTransform([x, y], this.transform); + }, + /** + * Converts PDF rectangle to the viewport coordinates. + * @param rect {Array} xMin, yMin, xMax and yMax coordinates. + * @returns {Array} Contains corresponding coordinates of the rectangle + * in the viewport coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToViewportRectangle: + function PageViewport_convertToViewportRectangle(rect) { + var tl = Util.applyTransform([rect[0], rect[1]], this.transform); + var br = Util.applyTransform([rect[2], rect[3]], this.transform); + return [tl[0], tl[1], br[0], br[1]]; + }, + /** + * Converts viewport coordinates to the PDF location. For examples, useful + * for converting canvas pixel location into PDF one. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the PDF coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) { + return Util.applyInverseTransform([x, y], this.transform); + } + }; + return PageViewport; +})(); + +var PDFStringTranslateTable = [ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, + 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, + 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, + 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC +]; + +function stringToPDFString(str) { + var i, n = str.length, strBuf = []; + if (str[0] === '\xFE' && str[1] === '\xFF') { + // UTF16BE BOM + for (i = 2; i < n; i += 2) { + strBuf.push(String.fromCharCode( + (str.charCodeAt(i) << 8) | str.charCodeAt(i + 1))); + } + } else { + for (i = 0; i < n; ++i) { + var code = PDFStringTranslateTable[str.charCodeAt(i)]; + strBuf.push(code ? String.fromCharCode(code) : str.charAt(i)); + } + } + return strBuf.join(''); +} + +function stringToUTF8String(str) { + return decodeURIComponent(escape(str)); +} + +function utf8StringToString(str) { + return unescape(encodeURIComponent(str)); +} + +function isEmptyObj(obj) { + for (var key in obj) { + return false; + } + return true; +} + +function isBool(v) { + return typeof v === 'boolean'; +} + +function isInt(v) { + return typeof v === 'number' && ((v | 0) === v); +} + +function isNum(v) { + return typeof v === 'number'; +} + +function isString(v) { + return typeof v === 'string'; +} + +function isArray(v) { + return v instanceof Array; +} + +function isArrayBuffer(v) { + return typeof v === 'object' && v !== null && v.byteLength !== undefined; +} + +/** + * Promise Capability object. + * + * @typedef {Object} PromiseCapability + * @property {Promise} promise - A promise object. + * @property {function} resolve - Fullfills the promise. + * @property {function} reject - Rejects the promise. + */ + +/** + * Creates a promise capability object. + * @alias PDFJS.createPromiseCapability + * + * @return {PromiseCapability} A capability object contains: + * - a Promise, resolve and reject methods. + */ +function createPromiseCapability() { + var capability = {}; + capability.promise = new Promise(function (resolve, reject) { + capability.resolve = resolve; + capability.reject = reject; + }); + return capability; +} + +PDFJS.createPromiseCapability = createPromiseCapability; + +/** + * Polyfill for Promises: + * The following promise implementation tries to generally implement the + * Promise/A+ spec. Some notable differences from other promise libaries are: + * - There currently isn't a seperate deferred and promise object. + * - Unhandled rejections eventually show an error if they aren't handled. + * + * Based off of the work in: + * https://bugzilla.mozilla.org/show_bug.cgi?id=810490 + */ +(function PromiseClosure() { + if (globalScope.Promise) { + // Promises existing in the DOM/Worker, checking presence of all/resolve + if (typeof globalScope.Promise.all !== 'function') { + globalScope.Promise.all = function (iterable) { + var count = 0, results = [], resolve, reject; + var promise = new globalScope.Promise(function (resolve_, reject_) { + resolve = resolve_; + reject = reject_; + }); + iterable.forEach(function (p, i) { + count++; + p.then(function (result) { + results[i] = result; + count--; + if (count === 0) { + resolve(results); + } + }, reject); + }); + if (count === 0) { + resolve(results); + } + return promise; + }; + } + if (typeof globalScope.Promise.resolve !== 'function') { + globalScope.Promise.resolve = function (value) { + return new globalScope.Promise(function (resolve) { resolve(value); }); + }; + } + if (typeof globalScope.Promise.reject !== 'function') { + globalScope.Promise.reject = function (reason) { + return new globalScope.Promise(function (resolve, reject) { + reject(reason); + }); + }; + } + if (typeof globalScope.Promise.prototype.catch !== 'function') { + globalScope.Promise.prototype.catch = function (onReject) { + return globalScope.Promise.prototype.then(undefined, onReject); + }; + } + return; + } + var STATUS_PENDING = 0; + var STATUS_RESOLVED = 1; + var STATUS_REJECTED = 2; + + // In an attempt to avoid silent exceptions, unhandled rejections are + // tracked and if they aren't handled in a certain amount of time an + // error is logged. + var REJECTION_TIMEOUT = 500; + + var HandlerManager = { + handlers: [], + running: false, + unhandledRejections: [], + pendingRejectionCheck: false, + + scheduleHandlers: function scheduleHandlers(promise) { + if (promise._status === STATUS_PENDING) { + return; + } + + this.handlers = this.handlers.concat(promise._handlers); + promise._handlers = []; + + if (this.running) { + return; + } + this.running = true; + + setTimeout(this.runHandlers.bind(this), 0); + }, + + runHandlers: function runHandlers() { + var RUN_TIMEOUT = 1; // ms + var timeoutAt = Date.now() + RUN_TIMEOUT; + while (this.handlers.length > 0) { + var handler = this.handlers.shift(); + + var nextStatus = handler.thisPromise._status; + var nextValue = handler.thisPromise._value; + + try { + if (nextStatus === STATUS_RESOLVED) { + if (typeof handler.onResolve === 'function') { + nextValue = handler.onResolve(nextValue); + } + } else if (typeof handler.onReject === 'function') { + nextValue = handler.onReject(nextValue); + nextStatus = STATUS_RESOLVED; + + if (handler.thisPromise._unhandledRejection) { + this.removeUnhandeledRejection(handler.thisPromise); + } + } + } catch (ex) { + nextStatus = STATUS_REJECTED; + nextValue = ex; + } + + handler.nextPromise._updateStatus(nextStatus, nextValue); + if (Date.now() >= timeoutAt) { + break; + } + } + + if (this.handlers.length > 0) { + setTimeout(this.runHandlers.bind(this), 0); + return; + } + + this.running = false; + }, + + addUnhandledRejection: function addUnhandledRejection(promise) { + this.unhandledRejections.push({ + promise: promise, + time: Date.now() + }); + this.scheduleRejectionCheck(); + }, + + removeUnhandeledRejection: function removeUnhandeledRejection(promise) { + promise._unhandledRejection = false; + for (var i = 0; i < this.unhandledRejections.length; i++) { + if (this.unhandledRejections[i].promise === promise) { + this.unhandledRejections.splice(i); + i--; + } + } + }, + + scheduleRejectionCheck: function scheduleRejectionCheck() { + if (this.pendingRejectionCheck) { + return; + } + this.pendingRejectionCheck = true; + setTimeout(function rejectionCheck() { + this.pendingRejectionCheck = false; + var now = Date.now(); + for (var i = 0; i < this.unhandledRejections.length; i++) { + if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) { + var unhandled = this.unhandledRejections[i].promise._value; + var msg = 'Unhandled rejection: ' + unhandled; + if (unhandled.stack) { + msg += '\n' + unhandled.stack; + } + warn(msg); + this.unhandledRejections.splice(i); + i--; + } + } + if (this.unhandledRejections.length) { + this.scheduleRejectionCheck(); + } + }.bind(this), REJECTION_TIMEOUT); + } + }; + + function Promise(resolver) { + this._status = STATUS_PENDING; + this._handlers = []; + try { + resolver.call(this, this._resolve.bind(this), this._reject.bind(this)); + } catch (e) { + this._reject(e); + } + } + /** + * Builds a promise that is resolved when all the passed in promises are + * resolved. + * @param {array} array of data and/or promises to wait for. + * @return {Promise} New dependant promise. + */ + Promise.all = function Promise_all(promises) { + var resolveAll, rejectAll; + var deferred = new Promise(function (resolve, reject) { + resolveAll = resolve; + rejectAll = reject; + }); + var unresolved = promises.length; + var results = []; + if (unresolved === 0) { + resolveAll(results); + return deferred; + } + function reject(reason) { + if (deferred._status === STATUS_REJECTED) { + return; + } + results = []; + rejectAll(reason); + } + for (var i = 0, ii = promises.length; i < ii; ++i) { + var promise = promises[i]; + var resolve = (function(i) { + return function(value) { + if (deferred._status === STATUS_REJECTED) { + return; + } + results[i] = value; + unresolved--; + if (unresolved === 0) { + resolveAll(results); + } + }; + })(i); + if (Promise.isPromise(promise)) { + promise.then(resolve, reject); + } else { + resolve(promise); + } + } + return deferred; + }; + + /** + * Checks if the value is likely a promise (has a 'then' function). + * @return {boolean} true if value is thenable + */ + Promise.isPromise = function Promise_isPromise(value) { + return value && typeof value.then === 'function'; + }; + + /** + * Creates resolved promise + * @param value resolve value + * @returns {Promise} + */ + Promise.resolve = function Promise_resolve(value) { + return new Promise(function (resolve) { resolve(value); }); + }; + + /** + * Creates rejected promise + * @param reason rejection value + * @returns {Promise} + */ + Promise.reject = function Promise_reject(reason) { + return new Promise(function (resolve, reject) { reject(reason); }); + }; + + Promise.prototype = { + _status: null, + _value: null, + _handlers: null, + _unhandledRejection: null, + + _updateStatus: function Promise__updateStatus(status, value) { + if (this._status === STATUS_RESOLVED || + this._status === STATUS_REJECTED) { + return; + } + + if (status === STATUS_RESOLVED && + Promise.isPromise(value)) { + value.then(this._updateStatus.bind(this, STATUS_RESOLVED), + this._updateStatus.bind(this, STATUS_REJECTED)); + return; + } + + this._status = status; + this._value = value; + + if (status === STATUS_REJECTED && this._handlers.length === 0) { + this._unhandledRejection = true; + HandlerManager.addUnhandledRejection(this); + } + + HandlerManager.scheduleHandlers(this); + }, + + _resolve: function Promise_resolve(value) { + this._updateStatus(STATUS_RESOLVED, value); + }, + + _reject: function Promise_reject(reason) { + this._updateStatus(STATUS_REJECTED, reason); + }, + + then: function Promise_then(onResolve, onReject) { + var nextPromise = new Promise(function (resolve, reject) { + this.resolve = resolve; + this.reject = reject; + }); + this._handlers.push({ + thisPromise: this, + onResolve: onResolve, + onReject: onReject, + nextPromise: nextPromise + }); + HandlerManager.scheduleHandlers(this); + return nextPromise; + }, + + catch: function Promise_catch(onReject) { + return this.then(undefined, onReject); + } + }; + + globalScope.Promise = Promise; +})(); + +var StatTimer = (function StatTimerClosure() { + function rpad(str, pad, length) { + while (str.length < length) { + str += pad; + } + return str; + } + function StatTimer() { + this.started = {}; + this.times = []; + this.enabled = true; + } + StatTimer.prototype = { + time: function StatTimer_time(name) { + if (!this.enabled) { + return; + } + if (name in this.started) { + warn('Timer is already running for ' + name); + } + this.started[name] = Date.now(); + }, + timeEnd: function StatTimer_timeEnd(name) { + if (!this.enabled) { + return; + } + if (!(name in this.started)) { + warn('Timer has not been started for ' + name); + } + this.times.push({ + 'name': name, + 'start': this.started[name], + 'end': Date.now() + }); + // Remove timer from started so it can be called again. + delete this.started[name]; + }, + toString: function StatTimer_toString() { + var i, ii; + var times = this.times; + var out = ''; + // Find the longest name for padding purposes. + var longest = 0; + for (i = 0, ii = times.length; i < ii; ++i) { + var name = times[i]['name']; + if (name.length > longest) { + longest = name.length; + } + } + for (i = 0, ii = times.length; i < ii; ++i) { + var span = times[i]; + var duration = span.end - span.start; + out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n'; + } + return out; + } + }; + return StatTimer; +})(); + +PDFJS.createBlob = function createBlob(data, contentType) { + if (typeof Blob !== 'undefined') { + return new Blob([data], { type: contentType }); + } + // Blob builder is deprecated in FF14 and removed in FF18. + var bb = new MozBlobBuilder(); + bb.append(data); + return bb.getBlob(contentType); +}; + +PDFJS.createObjectURL = (function createObjectURLClosure() { + // Blob/createObjectURL is not available, falling back to data schema. + var digits = + 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; + + return function createObjectURL(data, contentType) { + if (!PDFJS.disableCreateObjectURL && + typeof URL !== 'undefined' && URL.createObjectURL) { + var blob = PDFJS.createBlob(data, contentType); + return URL.createObjectURL(blob); + } + + var buffer = 'data:' + contentType + ';base64,'; + for (var i = 0, ii = data.length; i < ii; i += 3) { + var b1 = data[i] & 0xFF; + var b2 = data[i + 1] & 0xFF; + var b3 = data[i + 2] & 0xFF; + var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4); + var d3 = i + 1 < ii ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64; + var d4 = i + 2 < ii ? (b3 & 0x3F) : 64; + buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4]; + } + return buffer; + }; +})(); + +function MessageHandler(sourceName, targetName, comObj) { + this.sourceName = sourceName; + this.targetName = targetName; + this.comObj = comObj; + this.callbackIndex = 1; + this.postMessageTransfers = true; + var callbacksCapabilities = this.callbacksCapabilities = {}; + var ah = this.actionHandler = {}; + + this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) { + var data = event.data; + if (data.targetName !== this.sourceName) { + return; + } + if (data.isReply) { + var callbackId = data.callbackId; + if (data.callbackId in callbacksCapabilities) { + var callback = callbacksCapabilities[callbackId]; + delete callbacksCapabilities[callbackId]; + if ('error' in data) { + callback.reject(data.error); } else { + callback.resolve(data.data); + } + } else { + error('Cannot resolve callback ' + callbackId); + } + } else if (data.action in ah) { + var action = ah[data.action]; + if (data.callbackId) { + var sourceName = this.sourceName; + var targetName = data.sourceName; + Promise.resolve().then(function () { + return action[0].call(action[1], data.data); + }).then(function (result) { + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + data: result + }); + }, function (reason) { + if (reason instanceof Error) { + // Serialize error to avoid "DataCloneError" + reason = reason + ''; + } + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + error: reason + }); + }); + } else { + action[0].call(action[1], data.data); + } + } else { + error('Unknown action from worker: ' + data.action); + } + }.bind(this); + comObj.addEventListener('message', this._onComObjOnMessage); +} + +MessageHandler.prototype = { + on: function messageHandlerOn(actionName, handler, scope) { + var ah = this.actionHandler; + if (ah[actionName]) { + error('There is already an actionName called "' + actionName + '"'); + } + ah[actionName] = [handler, scope]; + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers + */ + send: function messageHandlerSend(actionName, data, transfers) { + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data + }; + this.postMessage(message, transfers); + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * Expects that other side will callback with the response. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers. + * @returns {Promise} Promise to be resolved with response data. + */ + sendWithPromise: + function messageHandlerSendWithPromise(actionName, data, transfers) { + var callbackId = this.callbackIndex++; + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data, + callbackId: callbackId + }; + var capability = createPromiseCapability(); + this.callbacksCapabilities[callbackId] = capability; + try { + this.postMessage(message, transfers); + } catch (e) { + capability.reject(e); + } + return capability.promise; + }, + /** + * Sends raw message to the comObj. + * @private + * @param message {Object} Raw message. + * @param transfers List of transfers/ArrayBuffers, or undefined. + */ + postMessage: function (message, transfers) { + if (transfers && this.postMessageTransfers) { + this.comObj.postMessage(message, transfers); + } else { + this.comObj.postMessage(message); + } + }, + + destroy: function () { + this.comObj.removeEventListener('message', this._onComObjOnMessage); + } +}; + +function loadJpegStream(id, imageUrl, objs) { + var img = new Image(); + img.onload = (function loadJpegStream_onloadClosure() { + objs.resolve(id, img); + }); + img.onerror = (function loadJpegStream_onerrorClosure() { + objs.resolve(id, null); + warn('Error during JPEG image loading'); + }); + img.src = imageUrl; +} + +exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; +exports.IDENTITY_MATRIX = IDENTITY_MATRIX; +exports.OPS = OPS; +exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; +exports.AnnotationBorderStyleType = AnnotationBorderStyleType; +exports.AnnotationFlag = AnnotationFlag; +exports.AnnotationType = AnnotationType; +exports.FontType = FontType; +exports.ImageKind = ImageKind; +exports.InvalidPDFException = InvalidPDFException; +exports.LinkTarget = LinkTarget; +exports.LinkTargetStringMap = LinkTargetStringMap; +exports.MessageHandler = MessageHandler; +exports.MissingDataException = MissingDataException; +exports.MissingPDFException = MissingPDFException; +exports.NotImplementedException = NotImplementedException; +exports.PasswordException = PasswordException; +exports.PasswordResponses = PasswordResponses; +exports.StatTimer = StatTimer; +exports.StreamType = StreamType; +exports.TextRenderingMode = TextRenderingMode; +exports.UnexpectedResponseException = UnexpectedResponseException; +exports.UnknownErrorException = UnknownErrorException; +exports.Util = Util; +exports.XRefParseException = XRefParseException; +exports.assert = assert; +exports.bytesToString = bytesToString; +exports.combineUrl = combineUrl; +exports.createPromiseCapability = createPromiseCapability; +exports.deprecated = deprecated; +exports.error = error; +exports.info = info; +exports.isArray = isArray; +exports.isArrayBuffer = isArrayBuffer; +exports.isBool = isBool; +exports.isEmptyObj = isEmptyObj; +exports.isExternalLinkTargetSet = isExternalLinkTargetSet; +exports.isInt = isInt; +exports.isNum = isNum; +exports.isString = isString; +exports.isValidUrl = isValidUrl; +exports.loadJpegStream = loadJpegStream; +exports.log2 = log2; +exports.readInt8 = readInt8; +exports.readUint16 = readUint16; +exports.readUint32 = readUint32; +exports.shadow = shadow; +exports.string32 = string32; +exports.stringToBytes = stringToBytes; +exports.stringToPDFString = stringToPDFString; +exports.stringToUTF8String = stringToUTF8String; +exports.utf8StringToString = utf8StringToString; +exports.warn = warn; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreChunkedStream = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var MissingDataException = sharedUtil.MissingDataException; +var assert = sharedUtil.assert; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var isInt = sharedUtil.isInt; +var isEmptyObj = sharedUtil.isEmptyObj; + +var ChunkedStream = (function ChunkedStreamClosure() { + function ChunkedStream(length, chunkSize, manager) { + this.bytes = new Uint8Array(length); + this.start = 0; + this.pos = 0; + this.end = length; + this.chunkSize = chunkSize; + this.loadedChunks = []; + this.numChunksLoaded = 0; + this.numChunks = Math.ceil(length / chunkSize); + this.manager = manager; + this.progressiveDataLength = 0; + this.lastSuccessfulEnsureByteChunk = -1; // a single-entry cache + } + + // required methods for a stream. if a particular stream does not + // implement these, an error should be thrown + ChunkedStream.prototype = { + + getMissingChunks: function ChunkedStream_getMissingChunks() { + var chunks = []; + for (var chunk = 0, n = this.numChunks; chunk < n; ++chunk) { + if (!this.loadedChunks[chunk]) { + chunks.push(chunk); + } + } + return chunks; + }, + + getBaseStreams: function ChunkedStream_getBaseStreams() { + return [this]; + }, + + allChunksLoaded: function ChunkedStream_allChunksLoaded() { + return this.numChunksLoaded === this.numChunks; + }, + + onReceiveData: function ChunkedStream_onReceiveData(begin, chunk) { + var end = begin + chunk.byteLength; + + assert(begin % this.chunkSize === 0, 'Bad begin offset: ' + begin); + // Using this.length is inaccurate here since this.start can be moved + // See ChunkedStream.moveStart() + var length = this.bytes.length; + assert(end % this.chunkSize === 0 || end === length, + 'Bad end offset: ' + end); + + this.bytes.set(new Uint8Array(chunk), begin); + var chunkSize = this.chunkSize; + var beginChunk = Math.floor(begin / chunkSize); + var endChunk = Math.floor((end - 1) / chunkSize) + 1; + var curChunk; + + for (curChunk = beginChunk; curChunk < endChunk; ++curChunk) { + if (!this.loadedChunks[curChunk]) { + this.loadedChunks[curChunk] = true; + ++this.numChunksLoaded; + } + } + }, + + onReceiveProgressiveData: + function ChunkedStream_onReceiveProgressiveData(data) { + var position = this.progressiveDataLength; + var beginChunk = Math.floor(position / this.chunkSize); + + this.bytes.set(new Uint8Array(data), position); + position += data.byteLength; + this.progressiveDataLength = position; + var endChunk = position >= this.end ? this.numChunks : + Math.floor(position / this.chunkSize); + var curChunk; + for (curChunk = beginChunk; curChunk < endChunk; ++curChunk) { + if (!this.loadedChunks[curChunk]) { + this.loadedChunks[curChunk] = true; + ++this.numChunksLoaded; + } + } + }, + + ensureByte: function ChunkedStream_ensureByte(pos) { + var chunk = Math.floor(pos / this.chunkSize); + if (chunk === this.lastSuccessfulEnsureByteChunk) { + return; + } + + if (!this.loadedChunks[chunk]) { + throw new MissingDataException(pos, pos + 1); + } + this.lastSuccessfulEnsureByteChunk = chunk; + }, + + ensureRange: function ChunkedStream_ensureRange(begin, end) { + if (begin >= end) { + return; + } + + if (end <= this.progressiveDataLength) { + return; + } + + var chunkSize = this.chunkSize; + var beginChunk = Math.floor(begin / chunkSize); + var endChunk = Math.floor((end - 1) / chunkSize) + 1; + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + if (!this.loadedChunks[chunk]) { + throw new MissingDataException(begin, end); + } + } + }, + + nextEmptyChunk: function ChunkedStream_nextEmptyChunk(beginChunk) { + var chunk, numChunks = this.numChunks; + for (var i = 0; i < numChunks; ++i) { + chunk = (beginChunk + i) % numChunks; // Wrap around to beginning + if (!this.loadedChunks[chunk]) { + return chunk; + } + } + return null; + }, + + hasChunk: function ChunkedStream_hasChunk(chunk) { + return !!this.loadedChunks[chunk]; + }, + + get length() { + return this.end - this.start; + }, + + get isEmpty() { + return this.length === 0; + }, + + getByte: function ChunkedStream_getByte() { + var pos = this.pos; + if (pos >= this.end) { + return -1; + } + this.ensureByte(pos); + return this.bytes[this.pos++]; + }, + + getUint16: function ChunkedStream_getUint16() { + var b0 = this.getByte(); + var b1 = this.getByte(); + if (b0 === -1 || b1 === -1) { + return -1; + } + return (b0 << 8) + b1; + }, + + getInt32: function ChunkedStream_getInt32() { + var b0 = this.getByte(); + var b1 = this.getByte(); + var b2 = this.getByte(); + var b3 = this.getByte(); + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + }, + + // returns subarray of original buffer + // should only be read + getBytes: function ChunkedStream_getBytes(length) { + var bytes = this.bytes; + var pos = this.pos; + var strEnd = this.end; + + if (!length) { + this.ensureRange(pos, strEnd); + return bytes.subarray(pos, strEnd); + } + + var end = pos + length; + if (end > strEnd) { + end = strEnd; + } + this.ensureRange(pos, end); + + this.pos = end; + return bytes.subarray(pos, end); + }, + + peekByte: function ChunkedStream_peekByte() { + var peekedByte = this.getByte(); + this.pos--; + return peekedByte; + }, + + peekBytes: function ChunkedStream_peekBytes(length) { + var bytes = this.getBytes(length); + this.pos -= bytes.length; + return bytes; + }, + + getByteRange: function ChunkedStream_getBytes(begin, end) { + this.ensureRange(begin, end); + return this.bytes.subarray(begin, end); + }, + + skip: function ChunkedStream_skip(n) { + if (!n) { + n = 1; + } + this.pos += n; + }, + + reset: function ChunkedStream_reset() { + this.pos = this.start; + }, + + moveStart: function ChunkedStream_moveStart() { + this.start = this.pos; + }, + + makeSubStream: function ChunkedStream_makeSubStream(start, length, dict) { + this.ensureRange(start, start + length); + + function ChunkedStreamSubstream() {} + ChunkedStreamSubstream.prototype = Object.create(this); + ChunkedStreamSubstream.prototype.getMissingChunks = function() { + var chunkSize = this.chunkSize; + var beginChunk = Math.floor(this.start / chunkSize); + var endChunk = Math.floor((this.end - 1) / chunkSize) + 1; + var missingChunks = []; + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + if (!this.loadedChunks[chunk]) { + missingChunks.push(chunk); + } + } + return missingChunks; + }; + var subStream = new ChunkedStreamSubstream(); + subStream.pos = subStream.start = start; + subStream.end = start + length || this.end; + subStream.dict = dict; + return subStream; + }, + + isStream: true + }; + + return ChunkedStream; +})(); + +var ChunkedStreamManager = (function ChunkedStreamManagerClosure() { + + function ChunkedStreamManager(length, chunkSize, url, args) { + this.stream = new ChunkedStream(length, chunkSize, this); + this.length = length; + this.chunkSize = chunkSize; + this.url = url; + this.disableAutoFetch = args.disableAutoFetch; + var msgHandler = this.msgHandler = args.msgHandler; + + if (args.chunkedViewerLoading) { + msgHandler.on('OnDataRange', this.onReceiveData.bind(this)); + msgHandler.on('OnDataProgress', this.onProgress.bind(this)); + this.sendRequest = function ChunkedStreamManager_sendRequest(begin, end) { + msgHandler.send('RequestDataRange', { begin: begin, end: end }); + }; + } else { + + var getXhr = function getXhr() { + return new XMLHttpRequest(); + }; + this.networkManager = new NetworkManager(this.url, { + getXhr: getXhr, + httpHeaders: args.httpHeaders, + withCredentials: args.withCredentials + }); + this.sendRequest = function ChunkedStreamManager_sendRequest(begin, end) { + this.networkManager.requestRange(begin, end, { + onDone: this.onReceiveData.bind(this), + onProgress: this.onProgress.bind(this) + }); + }; + } + + this.currRequestId = 0; + + this.chunksNeededByRequest = {}; + this.requestsByChunk = {}; + this.promisesByRequest = {}; + this.progressiveDataLength = 0; + + this._loadedStreamCapability = createPromiseCapability(); + + if (args.initialData) { + this.onReceiveData({chunk: args.initialData}); + } + } + + ChunkedStreamManager.prototype = { + onLoadedStream: function ChunkedStreamManager_getLoadedStream() { + return this._loadedStreamCapability.promise; + }, + + // Get all the chunks that are not yet loaded and groups them into + // contiguous ranges to load in as few requests as possible + requestAllChunks: function ChunkedStreamManager_requestAllChunks() { + var missingChunks = this.stream.getMissingChunks(); + this._requestChunks(missingChunks); + return this._loadedStreamCapability.promise; + }, + + _requestChunks: function ChunkedStreamManager_requestChunks(chunks) { + var requestId = this.currRequestId++; + + var chunksNeeded; + var i, ii; + this.chunksNeededByRequest[requestId] = chunksNeeded = {}; + for (i = 0, ii = chunks.length; i < ii; i++) { + if (!this.stream.hasChunk(chunks[i])) { + chunksNeeded[chunks[i]] = true; + } + } + + if (isEmptyObj(chunksNeeded)) { + return Promise.resolve(); + } + + var capability = createPromiseCapability(); + this.promisesByRequest[requestId] = capability; + + var chunksToRequest = []; + for (var chunk in chunksNeeded) { + chunk = chunk | 0; + if (!(chunk in this.requestsByChunk)) { + this.requestsByChunk[chunk] = []; + chunksToRequest.push(chunk); + } + this.requestsByChunk[chunk].push(requestId); + } + + if (!chunksToRequest.length) { + return capability.promise; + } + + var groupedChunksToRequest = this.groupChunks(chunksToRequest); + + for (i = 0; i < groupedChunksToRequest.length; ++i) { + var groupedChunk = groupedChunksToRequest[i]; + var begin = groupedChunk.beginChunk * this.chunkSize; + var end = Math.min(groupedChunk.endChunk * this.chunkSize, this.length); + this.sendRequest(begin, end); + } + + return capability.promise; + }, + + getStream: function ChunkedStreamManager_getStream() { + return this.stream; + }, + + // Loads any chunks in the requested range that are not yet loaded + requestRange: function ChunkedStreamManager_requestRange(begin, end) { + + end = Math.min(end, this.length); + + var beginChunk = this.getBeginChunk(begin); + var endChunk = this.getEndChunk(end); + + var chunks = []; + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + chunks.push(chunk); + } + + return this._requestChunks(chunks); + }, + + requestRanges: function ChunkedStreamManager_requestRanges(ranges) { + ranges = ranges || []; + var chunksToRequest = []; + + for (var i = 0; i < ranges.length; i++) { + var beginChunk = this.getBeginChunk(ranges[i].begin); + var endChunk = this.getEndChunk(ranges[i].end); + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + if (chunksToRequest.indexOf(chunk) < 0) { + chunksToRequest.push(chunk); + } + } + } + + chunksToRequest.sort(function(a, b) { return a - b; }); + return this._requestChunks(chunksToRequest); + }, + + // Groups a sorted array of chunks into as few contiguous larger + // chunks as possible + groupChunks: function ChunkedStreamManager_groupChunks(chunks) { + var groupedChunks = []; + var beginChunk = -1; + var prevChunk = -1; + for (var i = 0; i < chunks.length; ++i) { + var chunk = chunks[i]; + + if (beginChunk < 0) { + beginChunk = chunk; + } + + if (prevChunk >= 0 && prevChunk + 1 !== chunk) { + groupedChunks.push({ beginChunk: beginChunk, + endChunk: prevChunk + 1 }); + beginChunk = chunk; + } + if (i + 1 === chunks.length) { + groupedChunks.push({ beginChunk: beginChunk, + endChunk: chunk + 1 }); + } + + prevChunk = chunk; + } + return groupedChunks; + }, + + onProgress: function ChunkedStreamManager_onProgress(args) { + var bytesLoaded = (this.stream.numChunksLoaded * this.chunkSize + + args.loaded); + this.msgHandler.send('DocProgress', { + loaded: bytesLoaded, + total: this.length + }); + }, + + onReceiveData: function ChunkedStreamManager_onReceiveData(args) { + var chunk = args.chunk; + var isProgressive = args.begin === undefined; + var begin = isProgressive ? this.progressiveDataLength : args.begin; + var end = begin + chunk.byteLength; + + var beginChunk = Math.floor(begin / this.chunkSize); + var endChunk = end < this.length ? Math.floor(end / this.chunkSize) : + Math.ceil(end / this.chunkSize); + + if (isProgressive) { + this.stream.onReceiveProgressiveData(chunk); + this.progressiveDataLength = end; + } else { + this.stream.onReceiveData(begin, chunk); + } + + if (this.stream.allChunksLoaded()) { + this._loadedStreamCapability.resolve(this.stream); + } + + var loadedRequests = []; + var i, requestId; + for (chunk = beginChunk; chunk < endChunk; ++chunk) { + // The server might return more chunks than requested + var requestIds = this.requestsByChunk[chunk] || []; + delete this.requestsByChunk[chunk]; + + for (i = 0; i < requestIds.length; ++i) { + requestId = requestIds[i]; + var chunksNeeded = this.chunksNeededByRequest[requestId]; + if (chunk in chunksNeeded) { + delete chunksNeeded[chunk]; + } + + if (!isEmptyObj(chunksNeeded)) { + continue; + } + + loadedRequests.push(requestId); + } + } + + // If there are no pending requests, automatically fetch the next + // unfetched chunk of the PDF + if (!this.disableAutoFetch && isEmptyObj(this.requestsByChunk)) { + var nextEmptyChunk; + if (this.stream.numChunksLoaded === 1) { + // This is a special optimization so that after fetching the first + // chunk, rather than fetching the second chunk, we fetch the last + // chunk. + var lastChunk = this.stream.numChunks - 1; + if (!this.stream.hasChunk(lastChunk)) { + nextEmptyChunk = lastChunk; + } + } else { + nextEmptyChunk = this.stream.nextEmptyChunk(endChunk); + } + if (isInt(nextEmptyChunk)) { + this._requestChunks([nextEmptyChunk]); + } + } + + for (i = 0; i < loadedRequests.length; ++i) { + requestId = loadedRequests[i]; + var capability = this.promisesByRequest[requestId]; + delete this.promisesByRequest[requestId]; + capability.resolve(); + } + + this.msgHandler.send('DocProgress', { + loaded: this.stream.numChunksLoaded * this.chunkSize, + total: this.length + }); + }, + + onError: function ChunkedStreamManager_onError(err) { + this._loadedStreamCapability.reject(err); + }, + + getBeginChunk: function ChunkedStreamManager_getBeginChunk(begin) { + var chunk = Math.floor(begin / this.chunkSize); + return chunk; + }, + + getEndChunk: function ChunkedStreamManager_getEndChunk(end) { + var chunk = Math.floor((end - 1) / this.chunkSize) + 1; + return chunk; + }, + + abort: function ChunkedStreamManager_abort() { + if (this.networkManager) { + this.networkManager.abortAllRequests(); + } + for(var requestId in this.promisesByRequest) { + var capability = this.promisesByRequest[requestId]; + capability.reject(new Error('Request was aborted')); + } + } + }; + + return ChunkedStreamManager; +})(); + +exports.ChunkedStream = ChunkedStream; +exports.ChunkedStreamManager = ChunkedStreamManager; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreJbig2 = {}), root.pdfjsSharedUtil, + root.pdfjsCoreArithmeticDecoder); + } +}(this, function (exports, sharedUtil, coreArithmeticDecoder) { + +var error = sharedUtil.error; +var log2 = sharedUtil.log2; +var readInt8 = sharedUtil.readInt8; +var readUint16 = sharedUtil.readUint16; +var readUint32 = sharedUtil.readUint32; +var shadow = sharedUtil.shadow; +var ArithmeticDecoder = coreArithmeticDecoder.ArithmeticDecoder; + +var Jbig2Image = (function Jbig2ImageClosure() { + // Utility data structures + function ContextCache() {} + + ContextCache.prototype = { + getContexts: function(id) { + if (id in this) { + return this[id]; + } + return (this[id] = new Int8Array(1 << 16)); + } + }; + + function DecodingContext(data, start, end) { + this.data = data; + this.start = start; + this.end = end; + } + + DecodingContext.prototype = { + get decoder() { + var decoder = new ArithmeticDecoder(this.data, this.start, this.end); + return shadow(this, 'decoder', decoder); + }, + get contextCache() { + var cache = new ContextCache(); + return shadow(this, 'contextCache', cache); + } + }; + + // Annex A. Arithmetic Integer Decoding Procedure + // A.2 Procedure for decoding values + function decodeInteger(contextCache, procedure, decoder) { + var contexts = contextCache.getContexts(procedure); + var prev = 1; + + function readBits(length) { + var v = 0; + for (var i = 0; i < length; i++) { + var bit = decoder.readBit(contexts, prev); + prev = (prev < 256 ? (prev << 1) | bit : + (((prev << 1) | bit) & 511) | 256); + v = (v << 1) | bit; + } + return v >>> 0; + } + + var sign = readBits(1); + var value = readBits(1) ? + (readBits(1) ? + (readBits(1) ? + (readBits(1) ? + (readBits(1) ? + (readBits(32) + 4436) : + readBits(12) + 340) : + readBits(8) + 84) : + readBits(6) + 20) : + readBits(4) + 4) : + readBits(2); + return (sign === 0 ? value : (value > 0 ? -value : null)); + } + + // A.3 The IAID decoding procedure + function decodeIAID(contextCache, decoder, codeLength) { + var contexts = contextCache.getContexts('IAID'); + + var prev = 1; + for (var i = 0; i < codeLength; i++) { + var bit = decoder.readBit(contexts, prev); + prev = (prev << 1) | bit; + } + if (codeLength < 31) { + return prev & ((1 << codeLength) - 1); + } + return prev & 0x7FFFFFFF; + } + + // 7.3 Segment types + var SegmentTypes = [ + 'SymbolDictionary', null, null, null, 'IntermediateTextRegion', null, + 'ImmediateTextRegion', 'ImmediateLosslessTextRegion', null, null, null, + null, null, null, null, null, 'patternDictionary', null, null, null, + 'IntermediateHalftoneRegion', null, 'ImmediateHalftoneRegion', + 'ImmediateLosslessHalftoneRegion', null, null, null, null, null, null, null, + null, null, null, null, null, 'IntermediateGenericRegion', null, + 'ImmediateGenericRegion', 'ImmediateLosslessGenericRegion', + 'IntermediateGenericRefinementRegion', null, + 'ImmediateGenericRefinementRegion', + 'ImmediateLosslessGenericRefinementRegion', null, null, null, null, + 'PageInformation', 'EndOfPage', 'EndOfStripe', 'EndOfFile', 'Profiles', + 'Tables', null, null, null, null, null, null, null, null, + 'Extension' + ]; + + var CodingTemplates = [ + [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: -2, y: -1}, + {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: 2, y: -1}, + {x: -4, y: 0}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}], + [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: 2, y: -2}, + {x: -2, y: -1}, {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, + {x: 2, y: -1}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}], + [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: -2, y: -1}, + {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: -2, y: 0}, + {x: -1, y: 0}], + [{x: -3, y: -1}, {x: -2, y: -1}, {x: -1, y: -1}, {x: 0, y: -1}, + {x: 1, y: -1}, {x: -4, y: 0}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}] + ]; + + var RefinementTemplates = [ + { + coding: [{x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}], + reference: [{x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}, {x: 0, y: 0}, + {x: 1, y: 0}, {x: -1, y: 1}, {x: 0, y: 1}, {x: 1, y: 1}] + }, + { + coding: [{x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}], + reference: [{x: 0, y: -1}, {x: -1, y: 0}, {x: 0, y: 0}, {x: 1, y: 0}, + {x: 0, y: 1}, {x: 1, y: 1}] + } + ]; + + // See 6.2.5.7 Decoding the bitmap. + var ReusedContexts = [ + 0x9B25, // 10011 0110010 0101 + 0x0795, // 0011 110010 101 + 0x00E5, // 001 11001 01 + 0x0195 // 011001 0101 + ]; + + var RefinementReusedContexts = [ + 0x0020, // '000' + '0' (coding) + '00010000' + '0' (reference) + 0x0008 // '0000' + '001000' + ]; + + function decodeBitmapTemplate0(width, height, decodingContext) { + var decoder = decodingContext.decoder; + var contexts = decodingContext.contextCache.getContexts('GB'); + var contextLabel, i, j, pixel, row, row1, row2, bitmap = []; + + // ...ooooo.... + // ..ooooooo... Context template for current pixel (X) + // .ooooX...... (concatenate values of 'o'-pixels to get contextLabel) + var OLD_PIXEL_MASK = 0x7BF7; // 01111 0111111 0111 + + for (i = 0; i < height; i++) { + row = bitmap[i] = new Uint8Array(width); + row1 = (i < 1) ? row : bitmap[i - 1]; + row2 = (i < 2) ? row : bitmap[i - 2]; + + // At the beginning of each row: + // Fill contextLabel with pixels that are above/right of (X) + contextLabel = (row2[0] << 13) | (row2[1] << 12) | (row2[2] << 11) | + (row1[0] << 7) | (row1[1] << 6) | (row1[2] << 5) | + (row1[3] << 4); + + for (j = 0; j < width; j++) { + row[j] = pixel = decoder.readBit(contexts, contextLabel); + + // At each pixel: Clear contextLabel pixels that are shifted + // out of the context, then add new ones. + contextLabel = ((contextLabel & OLD_PIXEL_MASK) << 1) | + (j + 3 < width ? row2[j + 3] << 11 : 0) | + (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel; + } + } + + return bitmap; + } + + // 6.2 Generic Region Decoding Procedure + function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, + decodingContext) { + if (mmr) { + error('JBIG2 error: MMR encoding is not supported'); + } + + // Use optimized version for the most common case + if (templateIndex === 0 && !skip && !prediction && at.length === 4 && + at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && + at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) { + return decodeBitmapTemplate0(width, height, decodingContext); + } + + var useskip = !!skip; + var template = CodingTemplates[templateIndex].concat(at); + + // Sorting is non-standard, and it is not required. But sorting increases + // the number of template bits that can be reused from the previous + // contextLabel in the main loop. + template.sort(function (a, b) { + return (a.y - b.y) || (a.x - b.x); + }); + + var templateLength = template.length; + var templateX = new Int8Array(templateLength); + var templateY = new Int8Array(templateLength); + var changingTemplateEntries = []; + var reuseMask = 0, minX = 0, maxX = 0, minY = 0; + var c, k; + + for (k = 0; k < templateLength; k++) { + templateX[k] = template[k].x; + templateY[k] = template[k].y; + minX = Math.min(minX, template[k].x); + maxX = Math.max(maxX, template[k].x); + minY = Math.min(minY, template[k].y); + // Check if the template pixel appears in two consecutive context labels, + // so it can be reused. Otherwise, we add it to the list of changing + // template entries. + if (k < templateLength - 1 && + template[k].y === template[k + 1].y && + template[k].x === template[k + 1].x - 1) { + reuseMask |= 1 << (templateLength - 1 - k); + } else { + changingTemplateEntries.push(k); + } + } + var changingEntriesLength = changingTemplateEntries.length; + + var changingTemplateX = new Int8Array(changingEntriesLength); + var changingTemplateY = new Int8Array(changingEntriesLength); + var changingTemplateBit = new Uint16Array(changingEntriesLength); + for (c = 0; c < changingEntriesLength; c++) { + k = changingTemplateEntries[c]; + changingTemplateX[c] = template[k].x; + changingTemplateY[c] = template[k].y; + changingTemplateBit[c] = 1 << (templateLength - 1 - k); + } + + // Get the safe bounding box edges from the width, height, minX, maxX, minY + var sbb_left = -minX; + var sbb_top = -minY; + var sbb_right = width - maxX; + + var pseudoPixelContext = ReusedContexts[templateIndex]; + var row = new Uint8Array(width); + var bitmap = []; + + var decoder = decodingContext.decoder; + var contexts = decodingContext.contextCache.getContexts('GB'); + + var ltp = 0, j, i0, j0, contextLabel = 0, bit, shift; + for (var i = 0; i < height; i++) { + if (prediction) { + var sltp = decoder.readBit(contexts, pseudoPixelContext); + ltp ^= sltp; + if (ltp) { + bitmap.push(row); // duplicate previous row + continue; + } + } + row = new Uint8Array(row); + bitmap.push(row); + for (j = 0; j < width; j++) { + if (useskip && skip[i][j]) { + row[j] = 0; + continue; + } + // Are we in the middle of a scanline, so we can reuse contextLabel + // bits? + if (j >= sbb_left && j < sbb_right && i >= sbb_top) { + // If yes, we can just shift the bits that are reusable and only + // fetch the remaining ones. + contextLabel = (contextLabel << 1) & reuseMask; + for (k = 0; k < changingEntriesLength; k++) { + i0 = i + changingTemplateY[k]; + j0 = j + changingTemplateX[k]; + bit = bitmap[i0][j0]; + if (bit) { + bit = changingTemplateBit[k]; + contextLabel |= bit; + } + } + } else { + // compute the contextLabel from scratch + contextLabel = 0; + shift = templateLength - 1; + for (k = 0; k < templateLength; k++, shift--) { + j0 = j + templateX[k]; + if (j0 >= 0 && j0 < width) { + i0 = i + templateY[k]; + if (i0 >= 0) { + bit = bitmap[i0][j0]; + if (bit) { + contextLabel |= bit << shift; + } + } + } + } + } + var pixel = decoder.readBit(contexts, contextLabel); + row[j] = pixel; + } + } + return bitmap; + } + + // 6.3.2 Generic Refinement Region Decoding Procedure + function decodeRefinement(width, height, templateIndex, referenceBitmap, + offsetX, offsetY, prediction, at, + decodingContext) { + var codingTemplate = RefinementTemplates[templateIndex].coding; + if (templateIndex === 0) { + codingTemplate = codingTemplate.concat([at[0]]); + } + var codingTemplateLength = codingTemplate.length; + var codingTemplateX = new Int32Array(codingTemplateLength); + var codingTemplateY = new Int32Array(codingTemplateLength); + var k; + for (k = 0; k < codingTemplateLength; k++) { + codingTemplateX[k] = codingTemplate[k].x; + codingTemplateY[k] = codingTemplate[k].y; + } + + var referenceTemplate = RefinementTemplates[templateIndex].reference; + if (templateIndex === 0) { + referenceTemplate = referenceTemplate.concat([at[1]]); + } + var referenceTemplateLength = referenceTemplate.length; + var referenceTemplateX = new Int32Array(referenceTemplateLength); + var referenceTemplateY = new Int32Array(referenceTemplateLength); + for (k = 0; k < referenceTemplateLength; k++) { + referenceTemplateX[k] = referenceTemplate[k].x; + referenceTemplateY[k] = referenceTemplate[k].y; + } + var referenceWidth = referenceBitmap[0].length; + var referenceHeight = referenceBitmap.length; + + var pseudoPixelContext = RefinementReusedContexts[templateIndex]; + var bitmap = []; + + var decoder = decodingContext.decoder; + var contexts = decodingContext.contextCache.getContexts('GR'); + + var ltp = 0; + for (var i = 0; i < height; i++) { + if (prediction) { + var sltp = decoder.readBit(contexts, pseudoPixelContext); + ltp ^= sltp; + if (ltp) { + error('JBIG2 error: prediction is not supported'); + } + } + var row = new Uint8Array(width); + bitmap.push(row); + for (var j = 0; j < width; j++) { + var i0, j0; + var contextLabel = 0; + for (k = 0; k < codingTemplateLength; k++) { + i0 = i + codingTemplateY[k]; + j0 = j + codingTemplateX[k]; + if (i0 < 0 || j0 < 0 || j0 >= width) { + contextLabel <<= 1; // out of bound pixel + } else { + contextLabel = (contextLabel << 1) | bitmap[i0][j0]; + } + } + for (k = 0; k < referenceTemplateLength; k++) { + i0 = i + referenceTemplateY[k] + offsetY; + j0 = j + referenceTemplateX[k] + offsetX; + if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || + j0 >= referenceWidth) { + contextLabel <<= 1; // out of bound pixel + } else { + contextLabel = (contextLabel << 1) | referenceBitmap[i0][j0]; + } + } + var pixel = decoder.readBit(contexts, contextLabel); + row[j] = pixel; + } + } + + return bitmap; + } + + // 6.5.5 Decoding the symbol dictionary + function decodeSymbolDictionary(huffman, refinement, symbols, + numberOfNewSymbols, numberOfExportedSymbols, + huffmanTables, templateIndex, at, + refinementTemplateIndex, refinementAt, + decodingContext) { + if (huffman) { + error('JBIG2 error: huffman is not supported'); + } + + var newSymbols = []; + var currentHeight = 0; + var symbolCodeLength = log2(symbols.length + numberOfNewSymbols); + + var decoder = decodingContext.decoder; + var contextCache = decodingContext.contextCache; + + while (newSymbols.length < numberOfNewSymbols) { + var deltaHeight = decodeInteger(contextCache, 'IADH', decoder); // 6.5.6 + currentHeight += deltaHeight; + var currentWidth = 0; + var totalWidth = 0; + while (true) { + var deltaWidth = decodeInteger(contextCache, 'IADW', decoder); // 6.5.7 + if (deltaWidth === null) { + break; // OOB + } + currentWidth += deltaWidth; + totalWidth += currentWidth; + var bitmap; + if (refinement) { + // 6.5.8.2 Refinement/aggregate-coded symbol bitmap + var numberOfInstances = decodeInteger(contextCache, 'IAAI', decoder); + if (numberOfInstances > 1) { + bitmap = decodeTextRegion(huffman, refinement, + currentWidth, currentHeight, 0, + numberOfInstances, 1, //strip size + symbols.concat(newSymbols), + symbolCodeLength, + 0, //transposed + 0, //ds offset + 1, //top left 7.4.3.1.1 + 0, //OR operator + huffmanTables, + refinementTemplateIndex, refinementAt, + decodingContext); + } else { + var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength); + var rdx = decodeInteger(contextCache, 'IARDX', decoder); // 6.4.11.3 + var rdy = decodeInteger(contextCache, 'IARDY', decoder); // 6.4.11.4 + var symbol = (symbolId < symbols.length ? symbols[symbolId] : + newSymbols[symbolId - symbols.length]); + bitmap = decodeRefinement(currentWidth, currentHeight, + refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, + decodingContext); + } + } else { + // 6.5.8.1 Direct-coded symbol bitmap + bitmap = decodeBitmap(false, currentWidth, currentHeight, + templateIndex, false, null, at, decodingContext); + } + newSymbols.push(bitmap); + } + } + // 6.5.10 Exported symbols + var exportedSymbols = []; + var flags = [], currentFlag = false; + var totalSymbolsLength = symbols.length + numberOfNewSymbols; + while (flags.length < totalSymbolsLength) { + var runLength = decodeInteger(contextCache, 'IAEX', decoder); + while (runLength--) { + flags.push(currentFlag); + } + currentFlag = !currentFlag; + } + for (var i = 0, ii = symbols.length; i < ii; i++) { + if (flags[i]) { + exportedSymbols.push(symbols[i]); + } + } + for (var j = 0; j < numberOfNewSymbols; i++, j++) { + if (flags[i]) { + exportedSymbols.push(newSymbols[j]); + } + } + return exportedSymbols; + } + + function decodeTextRegion(huffman, refinement, width, height, + defaultPixelValue, numberOfSymbolInstances, + stripSize, inputSymbols, symbolCodeLength, + transposed, dsOffset, referenceCorner, + combinationOperator, huffmanTables, + refinementTemplateIndex, refinementAt, + decodingContext) { + if (huffman) { + error('JBIG2 error: huffman is not supported'); + } + + // Prepare bitmap + var bitmap = []; + var i, row; + for (i = 0; i < height; i++) { + row = new Uint8Array(width); + if (defaultPixelValue) { + for (var j = 0; j < width; j++) { + row[j] = defaultPixelValue; + } + } + bitmap.push(row); + } + + var decoder = decodingContext.decoder; + var contextCache = decodingContext.contextCache; + var stripT = -decodeInteger(contextCache, 'IADT', decoder); // 6.4.6 + var firstS = 0; + i = 0; + while (i < numberOfSymbolInstances) { + var deltaT = decodeInteger(contextCache, 'IADT', decoder); // 6.4.6 + stripT += deltaT; + + var deltaFirstS = decodeInteger(contextCache, 'IAFS', decoder); // 6.4.7 + firstS += deltaFirstS; + var currentS = firstS; + do { + var currentT = (stripSize === 1 ? 0 : + decodeInteger(contextCache, 'IAIT', decoder)); // 6.4.9 + var t = stripSize * stripT + currentT; + var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength); + var applyRefinement = (refinement && + decodeInteger(contextCache, 'IARI', decoder)); + var symbolBitmap = inputSymbols[symbolId]; + var symbolWidth = symbolBitmap[0].length; + var symbolHeight = symbolBitmap.length; + if (applyRefinement) { + var rdw = decodeInteger(contextCache, 'IARDW', decoder); // 6.4.11.1 + var rdh = decodeInteger(contextCache, 'IARDH', decoder); // 6.4.11.2 + var rdx = decodeInteger(contextCache, 'IARDX', decoder); // 6.4.11.3 + var rdy = decodeInteger(contextCache, 'IARDY', decoder); // 6.4.11.4 + symbolWidth += rdw; + symbolHeight += rdh; + symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, + refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, + (rdh >> 1) + rdy, false, refinementAt, + decodingContext); + } + var offsetT = t - ((referenceCorner & 1) ? 0 : symbolHeight); + var offsetS = currentS - ((referenceCorner & 2) ? symbolWidth : 0); + var s2, t2, symbolRow; + if (transposed) { + // Place Symbol Bitmap from T1,S1 + for (s2 = 0; s2 < symbolHeight; s2++) { + row = bitmap[offsetS + s2]; + if (!row) { + continue; + } + symbolRow = symbolBitmap[s2]; + // To ignore Parts of Symbol bitmap which goes + // outside bitmap region + var maxWidth = Math.min(width - offsetT, symbolWidth); + switch (combinationOperator) { + case 0: // OR + for (t2 = 0; t2 < maxWidth; t2++) { + row[offsetT + t2] |= symbolRow[t2]; + } + break; + case 2: // XOR + for (t2 = 0; t2 < maxWidth; t2++) { + row[offsetT + t2] ^= symbolRow[t2]; + } + break; + default: + error('JBIG2 error: operator ' + combinationOperator + + ' is not supported'); + } + } + currentS += symbolHeight - 1; + } else { + for (t2 = 0; t2 < symbolHeight; t2++) { + row = bitmap[offsetT + t2]; + if (!row) { + continue; + } + symbolRow = symbolBitmap[t2]; + switch (combinationOperator) { + case 0: // OR + for (s2 = 0; s2 < symbolWidth; s2++) { + row[offsetS + s2] |= symbolRow[s2]; + } + break; + case 2: // XOR + for (s2 = 0; s2 < symbolWidth; s2++) { + row[offsetS + s2] ^= symbolRow[s2]; + } + break; + default: + error('JBIG2 error: operator ' + combinationOperator + + ' is not supported'); + } + } + currentS += symbolWidth - 1; + } + i++; + var deltaS = decodeInteger(contextCache, 'IADS', decoder); // 6.4.8 + if (deltaS === null) { + break; // OOB + } + currentS += deltaS + dsOffset; + } while (true); + } + return bitmap; + } + + function readSegmentHeader(data, start) { + var segmentHeader = {}; + segmentHeader.number = readUint32(data, start); + var flags = data[start + 4]; + var segmentType = flags & 0x3F; + if (!SegmentTypes[segmentType]) { + error('JBIG2 error: invalid segment type: ' + segmentType); + } + segmentHeader.type = segmentType; + segmentHeader.typeName = SegmentTypes[segmentType]; + segmentHeader.deferredNonRetain = !!(flags & 0x80); + + var pageAssociationFieldSize = !!(flags & 0x40); + var referredFlags = data[start + 5]; + var referredToCount = (referredFlags >> 5) & 7; + var retainBits = [referredFlags & 31]; + var position = start + 6; + if (referredFlags === 7) { + referredToCount = readUint32(data, position - 1) & 0x1FFFFFFF; + position += 3; + var bytes = (referredToCount + 7) >> 3; + retainBits[0] = data[position++]; + while (--bytes > 0) { + retainBits.push(data[position++]); + } + } else if (referredFlags === 5 || referredFlags === 6) { + error('JBIG2 error: invalid referred-to flags'); + } + + segmentHeader.retainBits = retainBits; + var referredToSegmentNumberSize = (segmentHeader.number <= 256 ? 1 : + (segmentHeader.number <= 65536 ? 2 : 4)); + var referredTo = []; + var i, ii; + for (i = 0; i < referredToCount; i++) { + var number = (referredToSegmentNumberSize === 1 ? data[position] : + (referredToSegmentNumberSize === 2 ? readUint16(data, position) : + readUint32(data, position))); + referredTo.push(number); + position += referredToSegmentNumberSize; + } + segmentHeader.referredTo = referredTo; + if (!pageAssociationFieldSize) { + segmentHeader.pageAssociation = data[position++]; + } else { + segmentHeader.pageAssociation = readUint32(data, position); + position += 4; + } + segmentHeader.length = readUint32(data, position); + position += 4; + + if (segmentHeader.length === 0xFFFFFFFF) { + // 7.2.7 Segment data length, unknown segment length + if (segmentType === 38) { // ImmediateGenericRegion + var genericRegionInfo = readRegionSegmentInformation(data, position); + var genericRegionSegmentFlags = data[position + + RegionSegmentInformationFieldLength]; + var genericRegionMmr = !!(genericRegionSegmentFlags & 1); + // searching for the segment end + var searchPatternLength = 6; + var searchPattern = new Uint8Array(searchPatternLength); + if (!genericRegionMmr) { + searchPattern[0] = 0xFF; + searchPattern[1] = 0xAC; + } + searchPattern[2] = (genericRegionInfo.height >>> 24) & 0xFF; + searchPattern[3] = (genericRegionInfo.height >> 16) & 0xFF; + searchPattern[4] = (genericRegionInfo.height >> 8) & 0xFF; + searchPattern[5] = genericRegionInfo.height & 0xFF; + for (i = position, ii = data.length; i < ii; i++) { + var j = 0; + while (j < searchPatternLength && searchPattern[j] === data[i + j]) { + j++; + } + if (j === searchPatternLength) { + segmentHeader.length = i + searchPatternLength; + break; + } + } + if (segmentHeader.length === 0xFFFFFFFF) { + error('JBIG2 error: segment end was not found'); + } + } else { + error('JBIG2 error: invalid unknown segment length'); + } + } + segmentHeader.headerEnd = position; + return segmentHeader; + } + + function readSegments(header, data, start, end) { + var segments = []; + var position = start; + while (position < end) { + var segmentHeader = readSegmentHeader(data, position); + position = segmentHeader.headerEnd; + var segment = { + header: segmentHeader, + data: data + }; + if (!header.randomAccess) { + segment.start = position; + position += segmentHeader.length; + segment.end = position; + } + segments.push(segment); + if (segmentHeader.type === 51) { + break; // end of file is found + } + } + if (header.randomAccess) { + for (var i = 0, ii = segments.length; i < ii; i++) { + segments[i].start = position; + position += segments[i].header.length; + segments[i].end = position; + } + } + return segments; + } + + // 7.4.1 Region segment information field + function readRegionSegmentInformation(data, start) { + return { + width: readUint32(data, start), + height: readUint32(data, start + 4), + x: readUint32(data, start + 8), + y: readUint32(data, start + 12), + combinationOperator: data[start + 16] & 7 + }; + } + var RegionSegmentInformationFieldLength = 17; + + function processSegment(segment, visitor) { + var header = segment.header; + + var data = segment.data, position = segment.start, end = segment.end; + var args, at, i, atLength; + switch (header.type) { + case 0: // SymbolDictionary + // 7.4.2 Symbol dictionary segment syntax + var dictionary = {}; + var dictionaryFlags = readUint16(data, position); // 7.4.2.1.1 + dictionary.huffman = !!(dictionaryFlags & 1); + dictionary.refinement = !!(dictionaryFlags & 2); + dictionary.huffmanDHSelector = (dictionaryFlags >> 2) & 3; + dictionary.huffmanDWSelector = (dictionaryFlags >> 4) & 3; + dictionary.bitmapSizeSelector = (dictionaryFlags >> 6) & 1; + dictionary.aggregationInstancesSelector = (dictionaryFlags >> 7) & 1; + dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256); + dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512); + dictionary.template = (dictionaryFlags >> 10) & 3; + dictionary.refinementTemplate = (dictionaryFlags >> 12) & 1; + position += 2; + if (!dictionary.huffman) { + atLength = dictionary.template === 0 ? 4 : 1; + at = []; + for (i = 0; i < atLength; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + dictionary.at = at; + } + if (dictionary.refinement && !dictionary.refinementTemplate) { + at = []; + for (i = 0; i < 2; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + dictionary.refinementAt = at; + } + dictionary.numberOfExportedSymbols = readUint32(data, position); + position += 4; + dictionary.numberOfNewSymbols = readUint32(data, position); + position += 4; + args = [dictionary, header.number, header.referredTo, + data, position, end]; + break; + case 6: // ImmediateTextRegion + case 7: // ImmediateLosslessTextRegion + var textRegion = {}; + textRegion.info = readRegionSegmentInformation(data, position); + position += RegionSegmentInformationFieldLength; + var textRegionSegmentFlags = readUint16(data, position); + position += 2; + textRegion.huffman = !!(textRegionSegmentFlags & 1); + textRegion.refinement = !!(textRegionSegmentFlags & 2); + textRegion.stripSize = 1 << ((textRegionSegmentFlags >> 2) & 3); + textRegion.referenceCorner = (textRegionSegmentFlags >> 4) & 3; + textRegion.transposed = !!(textRegionSegmentFlags & 64); + textRegion.combinationOperator = (textRegionSegmentFlags >> 7) & 3; + textRegion.defaultPixelValue = (textRegionSegmentFlags >> 9) & 1; + textRegion.dsOffset = (textRegionSegmentFlags << 17) >> 27; + textRegion.refinementTemplate = (textRegionSegmentFlags >> 15) & 1; + if (textRegion.huffman) { + var textRegionHuffmanFlags = readUint16(data, position); + position += 2; + textRegion.huffmanFS = (textRegionHuffmanFlags) & 3; + textRegion.huffmanDS = (textRegionHuffmanFlags >> 2) & 3; + textRegion.huffmanDT = (textRegionHuffmanFlags >> 4) & 3; + textRegion.huffmanRefinementDW = (textRegionHuffmanFlags >> 6) & 3; + textRegion.huffmanRefinementDH = (textRegionHuffmanFlags >> 8) & 3; + textRegion.huffmanRefinementDX = (textRegionHuffmanFlags >> 10) & 3; + textRegion.huffmanRefinementDY = (textRegionHuffmanFlags >> 12) & 3; + textRegion.huffmanRefinementSizeSelector = + !!(textRegionHuffmanFlags & 14); + } + if (textRegion.refinement && !textRegion.refinementTemplate) { + at = []; + for (i = 0; i < 2; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + textRegion.refinementAt = at; + } + textRegion.numberOfSymbolInstances = readUint32(data, position); + position += 4; + // TODO 7.4.3.1.7 Symbol ID Huffman table decoding + if (textRegion.huffman) { + error('JBIG2 error: huffman is not supported'); + } + args = [textRegion, header.referredTo, data, position, end]; + break; + case 38: // ImmediateGenericRegion + case 39: // ImmediateLosslessGenericRegion + var genericRegion = {}; + genericRegion.info = readRegionSegmentInformation(data, position); + position += RegionSegmentInformationFieldLength; + var genericRegionSegmentFlags = data[position++]; + genericRegion.mmr = !!(genericRegionSegmentFlags & 1); + genericRegion.template = (genericRegionSegmentFlags >> 1) & 3; + genericRegion.prediction = !!(genericRegionSegmentFlags & 8); + if (!genericRegion.mmr) { + atLength = genericRegion.template === 0 ? 4 : 1; + at = []; + for (i = 0; i < atLength; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + genericRegion.at = at; + } + args = [genericRegion, data, position, end]; + break; + case 48: // PageInformation + var pageInfo = { + width: readUint32(data, position), + height: readUint32(data, position + 4), + resolutionX: readUint32(data, position + 8), + resolutionY: readUint32(data, position + 12) + }; + if (pageInfo.height === 0xFFFFFFFF) { + delete pageInfo.height; + } + var pageSegmentFlags = data[position + 16]; + var pageStripingInformation = readUint16(data, position + 17); + pageInfo.lossless = !!(pageSegmentFlags & 1); + pageInfo.refinement = !!(pageSegmentFlags & 2); + pageInfo.defaultPixelValue = (pageSegmentFlags >> 2) & 1; + pageInfo.combinationOperator = (pageSegmentFlags >> 3) & 3; + pageInfo.requiresBuffer = !!(pageSegmentFlags & 32); + pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64); + args = [pageInfo]; + break; + case 49: // EndOfPage + break; + case 50: // EndOfStripe + break; + case 51: // EndOfFile + break; + case 62: // 7.4.15 defines 2 extension types which + // are comments and can be ignored. + break; + default: + error('JBIG2 error: segment type ' + header.typeName + '(' + + header.type + ') is not implemented'); + } + var callbackName = 'on' + header.typeName; + if (callbackName in visitor) { + visitor[callbackName].apply(visitor, args); + } + } + + function processSegments(segments, visitor) { + for (var i = 0, ii = segments.length; i < ii; i++) { + processSegment(segments[i], visitor); + } + } + + function parseJbig2(data, start, end) { + var position = start; + if (data[position] !== 0x97 || data[position + 1] !== 0x4A || + data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || + data[position + 4] !== 0x0D || data[position + 5] !== 0x0A || + data[position + 6] !== 0x1A || data[position + 7] !== 0x0A) { + error('JBIG2 error: invalid header'); + } + var header = {}; + position += 8; + var flags = data[position++]; + header.randomAccess = !(flags & 1); + if (!(flags & 2)) { + header.numberOfPages = readUint32(data, position); + position += 4; + } + var segments = readSegments(header, data, position, end); + error('Not implemented'); + // processSegments(segments, new SimpleSegmentVisitor()); + } + + function parseJbig2Chunks(chunks) { + var visitor = new SimpleSegmentVisitor(); + for (var i = 0, ii = chunks.length; i < ii; i++) { + var chunk = chunks[i]; + var segments = readSegments({}, chunk.data, chunk.start, chunk.end); + processSegments(segments, visitor); + } + return visitor.buffer; + } + + function SimpleSegmentVisitor() {} + + SimpleSegmentVisitor.prototype = { + onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) { + this.currentPageInfo = info; + var rowSize = (info.width + 7) >> 3; + var buffer = new Uint8Array(rowSize * info.height); + // The contents of ArrayBuffers are initialized to 0. + // Fill the buffer with 0xFF only if info.defaultPixelValue is set + if (info.defaultPixelValue) { + for (var i = 0, ii = buffer.length; i < ii; i++) { + buffer[i] = 0xFF; + } + } + this.buffer = buffer; + }, + drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) { + var pageInfo = this.currentPageInfo; + var width = regionInfo.width, height = regionInfo.height; + var rowSize = (pageInfo.width + 7) >> 3; + var combinationOperator = pageInfo.combinationOperatorOverride ? + regionInfo.combinationOperator : pageInfo.combinationOperator; + var buffer = this.buffer; + var mask0 = 128 >> (regionInfo.x & 7); + var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3); + var i, j, mask, offset; + switch (combinationOperator) { + case 0: // OR + for (i = 0; i < height; i++) { + mask = mask0; + offset = offset0; + for (j = 0; j < width; j++) { + if (bitmap[i][j]) { + buffer[offset] |= mask; + } + mask >>= 1; + if (!mask) { + mask = 128; + offset++; + } + } + offset0 += rowSize; + } + break; + case 2: // XOR + for (i = 0; i < height; i++) { + mask = mask0; + offset = offset0; + for (j = 0; j < width; j++) { + if (bitmap[i][j]) { + buffer[offset] ^= mask; + } + mask >>= 1; + if (!mask) { + mask = 128; + offset++; + } + } + offset0 += rowSize; + } + break; + default: + error('JBIG2 error: operator ' + combinationOperator + + ' is not supported'); + } + }, + onImmediateGenericRegion: + function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, + start, end) { + var regionInfo = region.info; + var decodingContext = new DecodingContext(data, start, end); + var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, + region.template, region.prediction, null, + region.at, decodingContext); + this.drawBitmap(regionInfo, bitmap); + }, + onImmediateLosslessGenericRegion: + function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() { + this.onImmediateGenericRegion.apply(this, arguments); + }, + onSymbolDictionary: + function SimpleSegmentVisitor_onSymbolDictionary(dictionary, + currentSegment, + referredSegments, + data, start, end) { + var huffmanTables; + if (dictionary.huffman) { + error('JBIG2 error: huffman is not supported'); + } + + // Combines exported symbols from all referred segments + var symbols = this.symbols; + if (!symbols) { + this.symbols = symbols = {}; + } + + var inputSymbols = []; + for (var i = 0, ii = referredSegments.length; i < ii; i++) { + inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]); + } + + var decodingContext = new DecodingContext(data, start, end); + symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, + dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, + dictionary.numberOfExportedSymbols, huffmanTables, + dictionary.template, dictionary.at, + dictionary.refinementTemplate, dictionary.refinementAt, + decodingContext); + }, + onImmediateTextRegion: + function SimpleSegmentVisitor_onImmediateTextRegion(region, + referredSegments, + data, start, end) { + var regionInfo = region.info; + var huffmanTables; + + // Combines exported symbols from all referred segments + var symbols = this.symbols; + var inputSymbols = []; + for (var i = 0, ii = referredSegments.length; i < ii; i++) { + inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]); + } + var symbolCodeLength = log2(inputSymbols.length); + + var decodingContext = new DecodingContext(data, start, end); + var bitmap = decodeTextRegion(region.huffman, region.refinement, + regionInfo.width, regionInfo.height, region.defaultPixelValue, + region.numberOfSymbolInstances, region.stripSize, inputSymbols, + symbolCodeLength, region.transposed, region.dsOffset, + region.referenceCorner, region.combinationOperator, huffmanTables, + region.refinementTemplate, region.refinementAt, decodingContext); + this.drawBitmap(regionInfo, bitmap); + }, + onImmediateLosslessTextRegion: + function SimpleSegmentVisitor_onImmediateLosslessTextRegion() { + this.onImmediateTextRegion.apply(this, arguments); + } + }; + + function Jbig2Image() {} + + Jbig2Image.prototype = { + parseChunks: function Jbig2Image_parseChunks(chunks) { + return parseJbig2Chunks(chunks); + } + }; + + return Jbig2Image; +})(); + +exports.Jbig2Image = Jbig2Image; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreJpx = {}), root.pdfjsSharedUtil, + root.pdfjsCoreArithmeticDecoder); + } +}(this, function (exports, sharedUtil, coreArithmeticDecoder) { + +var info = sharedUtil.info; +var log2 = sharedUtil.log2; +var readUint16 = sharedUtil.readUint16; +var readUint32 = sharedUtil.readUint32; +var warn = sharedUtil.warn; +var ArithmeticDecoder = coreArithmeticDecoder.ArithmeticDecoder; + +var JpxImage = (function JpxImageClosure() { + // Table E.1 + var SubbandsGainLog2 = { + 'LL': 0, + 'LH': 1, + 'HL': 1, + 'HH': 2 + }; + function JpxImage() { + this.failOnCorruptedImage = false; + } + JpxImage.prototype = { + parse: function JpxImage_parse(data) { + + var head = readUint16(data, 0); + // No box header, immediate start of codestream (SOC) + if (head === 0xFF4F) { + this.parseCodestream(data, 0, data.length); + return; + } + + var position = 0, length = data.length; + while (position < length) { + var headerSize = 8; + var lbox = readUint32(data, position); + var tbox = readUint32(data, position + 4); + position += headerSize; + if (lbox === 1) { + // XLBox: read UInt64 according to spec. + // JavaScript's int precision of 53 bit should be sufficient here. + lbox = readUint32(data, position) * 4294967296 + + readUint32(data, position + 4); + position += 8; + headerSize += 8; + } + if (lbox === 0) { + lbox = length - position + headerSize; + } + if (lbox < headerSize) { + throw new Error('JPX Error: Invalid box field size'); + } + var dataLength = lbox - headerSize; + var jumpDataLength = true; + switch (tbox) { + case 0x6A703268: // 'jp2h' + jumpDataLength = false; // parsing child boxes + break; + case 0x636F6C72: // 'colr' + // Colorspaces are not used, the CS from the PDF is used. + var method = data[position]; + if (method === 1) { + // enumerated colorspace + var colorspace = readUint32(data, position + 3); + switch (colorspace) { + case 16: // this indicates a sRGB colorspace + case 17: // this indicates a grayscale colorspace + case 18: // this indicates a YUV colorspace + break; + default: + warn('Unknown colorspace ' + colorspace); + break; + } + } else if (method === 2) { + info('ICC profile not supported'); + } + break; + case 0x6A703263: // 'jp2c' + this.parseCodestream(data, position, position + dataLength); + break; + case 0x6A502020: // 'jP\024\024' + if (0x0d0a870a !== readUint32(data, position)) { + warn('Invalid JP2 signature'); + } + break; + // The following header types are valid but currently not used: + case 0x6A501A1A: // 'jP\032\032' + case 0x66747970: // 'ftyp' + case 0x72726571: // 'rreq' + case 0x72657320: // 'res ' + case 0x69686472: // 'ihdr' + break; + default: + var headerType = String.fromCharCode((tbox >> 24) & 0xFF, + (tbox >> 16) & 0xFF, + (tbox >> 8) & 0xFF, + tbox & 0xFF); + warn('Unsupported header type ' + tbox + ' (' + headerType + ')'); + break; + } + if (jumpDataLength) { + position += dataLength; + } + } + }, + parseImageProperties: function JpxImage_parseImageProperties(stream) { + var newByte = stream.getByte(); + while (newByte >= 0) { + var oldByte = newByte; + newByte = stream.getByte(); + var code = (oldByte << 8) | newByte; + // Image and tile size (SIZ) + if (code === 0xFF51) { + stream.skip(4); + var Xsiz = stream.getInt32() >>> 0; // Byte 4 + var Ysiz = stream.getInt32() >>> 0; // Byte 8 + var XOsiz = stream.getInt32() >>> 0; // Byte 12 + var YOsiz = stream.getInt32() >>> 0; // Byte 16 + stream.skip(16); + var Csiz = stream.getUint16(); // Byte 36 + this.width = Xsiz - XOsiz; + this.height = Ysiz - YOsiz; + this.componentsCount = Csiz; + // Results are always returned as Uint8Arrays + this.bitsPerComponent = 8; return; } } + throw new Error('JPX Error: No size marker found in JPX stream'); }, - parseCondition: function PostScriptParser_parseCondition() { - // Add two place holders that will be updated later - var conditionLocation = this.operators.length; - this.operators.push(null, null); + parseCodestream: function JpxImage_parseCodestream(data, start, end) { + var context = {}; + try { + var doNotRecover = false; + var position = start; + while (position + 1 < end) { + var code = readUint16(data, position); + position += 2; - this.parseBlock(); - this.expect(PostScriptTokenTypes.RBRACE); - if (this.accept(PostScriptTokenTypes.IF)) { - // The true block is right after the 'if' so it just falls through on - // true else it jumps and skips the true block. - this.operators[conditionLocation] = this.operators.length; - this.operators[conditionLocation + 1] = 'jz'; - } else if (this.accept(PostScriptTokenTypes.LBRACE)) { - var jumpLocation = this.operators.length; - this.operators.push(null, null); - var endOfTrue = this.operators.length; - this.parseBlock(); - this.expect(PostScriptTokenTypes.RBRACE); - this.expect(PostScriptTokenTypes.IFELSE); - // The jump is added at the end of the true block to skip the false - // block. - this.operators[jumpLocation] = this.operators.length; - this.operators[jumpLocation + 1] = 'j'; + var length = 0, j, sqcd, spqcds, spqcdSize, scalarExpounded, tile; + switch (code) { + case 0xFF4F: // Start of codestream (SOC) + context.mainHeader = true; + break; + case 0xFFD9: // End of codestream (EOC) + break; + case 0xFF51: // Image and tile size (SIZ) + length = readUint16(data, position); + var siz = {}; + siz.Xsiz = readUint32(data, position + 4); + siz.Ysiz = readUint32(data, position + 8); + siz.XOsiz = readUint32(data, position + 12); + siz.YOsiz = readUint32(data, position + 16); + siz.XTsiz = readUint32(data, position + 20); + siz.YTsiz = readUint32(data, position + 24); + siz.XTOsiz = readUint32(data, position + 28); + siz.YTOsiz = readUint32(data, position + 32); + var componentsCount = readUint16(data, position + 36); + siz.Csiz = componentsCount; + var components = []; + j = position + 38; + for (var i = 0; i < componentsCount; i++) { + var component = { + precision: (data[j] & 0x7F) + 1, + isSigned: !!(data[j] & 0x80), + XRsiz: data[j + 1], + YRsiz: data[j + 1] + }; + calculateComponentDimensions(component, siz); + components.push(component); + } + context.SIZ = siz; + context.components = components; + calculateTileGrids(context, components); + context.QCC = []; + context.COC = []; + break; + case 0xFF5C: // Quantization default (QCD) + length = readUint16(data, position); + var qcd = {}; + j = position + 2; + sqcd = data[j++]; + switch (sqcd & 0x1F) { + case 0: + spqcdSize = 8; + scalarExpounded = true; + break; + case 1: + spqcdSize = 16; + scalarExpounded = false; + break; + case 2: + spqcdSize = 16; + scalarExpounded = true; + break; + default: + throw new Error('JPX Error: Invalid SQcd value ' + sqcd); + } + qcd.noQuantization = (spqcdSize === 8); + qcd.scalarExpounded = scalarExpounded; + qcd.guardBits = sqcd >> 5; + spqcds = []; + while (j < length + position) { + var spqcd = {}; + if (spqcdSize === 8) { + spqcd.epsilon = data[j++] >> 3; + spqcd.mu = 0; + } else { + spqcd.epsilon = data[j] >> 3; + spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1]; + j += 2; + } + spqcds.push(spqcd); + } + qcd.SPqcds = spqcds; + if (context.mainHeader) { + context.QCD = qcd; + } else { + context.currentTile.QCD = qcd; + context.currentTile.QCC = []; + } + break; + case 0xFF5D: // Quantization component (QCC) + length = readUint16(data, position); + var qcc = {}; + j = position + 2; + var cqcc; + if (context.SIZ.Csiz < 257) { + cqcc = data[j++]; + } else { + cqcc = readUint16(data, j); + j += 2; + } + sqcd = data[j++]; + switch (sqcd & 0x1F) { + case 0: + spqcdSize = 8; + scalarExpounded = true; + break; + case 1: + spqcdSize = 16; + scalarExpounded = false; + break; + case 2: + spqcdSize = 16; + scalarExpounded = true; + break; + default: + throw new Error('JPX Error: Invalid SQcd value ' + sqcd); + } + qcc.noQuantization = (spqcdSize === 8); + qcc.scalarExpounded = scalarExpounded; + qcc.guardBits = sqcd >> 5; + spqcds = []; + while (j < (length + position)) { + spqcd = {}; + if (spqcdSize === 8) { + spqcd.epsilon = data[j++] >> 3; + spqcd.mu = 0; + } else { + spqcd.epsilon = data[j] >> 3; + spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1]; + j += 2; + } + spqcds.push(spqcd); + } + qcc.SPqcds = spqcds; + if (context.mainHeader) { + context.QCC[cqcc] = qcc; + } else { + context.currentTile.QCC[cqcc] = qcc; + } + break; + case 0xFF52: // Coding style default (COD) + length = readUint16(data, position); + var cod = {}; + j = position + 2; + var scod = data[j++]; + cod.entropyCoderWithCustomPrecincts = !!(scod & 1); + cod.sopMarkerUsed = !!(scod & 2); + cod.ephMarkerUsed = !!(scod & 4); + cod.progressionOrder = data[j++]; + cod.layersCount = readUint16(data, j); + j += 2; + cod.multipleComponentTransform = data[j++]; - this.operators[conditionLocation] = endOfTrue; - this.operators[conditionLocation + 1] = 'jz'; - } else { - error('PS Function: error parsing conditional.'); - } - } - }; - return PostScriptParser; -})(); + cod.decompositionLevelsCount = data[j++]; + cod.xcb = (data[j++] & 0xF) + 2; + cod.ycb = (data[j++] & 0xF) + 2; + var blockStyle = data[j++]; + cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1); + cod.resetContextProbabilities = !!(blockStyle & 2); + cod.terminationOnEachCodingPass = !!(blockStyle & 4); + cod.verticalyStripe = !!(blockStyle & 8); + cod.predictableTermination = !!(blockStyle & 16); + cod.segmentationSymbolUsed = !!(blockStyle & 32); + cod.reversibleTransformation = data[j++]; + if (cod.entropyCoderWithCustomPrecincts) { + var precinctsSizes = []; + while (j < length + position) { + var precinctsSize = data[j++]; + precinctsSizes.push({ + PPx: precinctsSize & 0xF, + PPy: precinctsSize >> 4 + }); + } + cod.precinctsSizes = precinctsSizes; + } + var unsupported = []; + if (cod.selectiveArithmeticCodingBypass) { + unsupported.push('selectiveArithmeticCodingBypass'); + } + if (cod.resetContextProbabilities) { + unsupported.push('resetContextProbabilities'); + } + if (cod.terminationOnEachCodingPass) { + unsupported.push('terminationOnEachCodingPass'); + } + if (cod.verticalyStripe) { + unsupported.push('verticalyStripe'); + } + if (cod.predictableTermination) { + unsupported.push('predictableTermination'); + } + if (unsupported.length > 0) { + doNotRecover = true; + throw new Error('JPX Error: Unsupported COD options (' + + unsupported.join(', ') + ')'); + } + if (context.mainHeader) { + context.COD = cod; + } else { + context.currentTile.COD = cod; + context.currentTile.COC = []; + } + break; + case 0xFF90: // Start of tile-part (SOT) + length = readUint16(data, position); + tile = {}; + tile.index = readUint16(data, position + 2); + tile.length = readUint32(data, position + 4); + tile.dataEnd = tile.length + position - 2; + tile.partIndex = data[position + 8]; + tile.partsCount = data[position + 9]; -var PostScriptTokenTypes = { - LBRACE: 0, - RBRACE: 1, - NUMBER: 2, - OPERATOR: 3, - IF: 4, - IFELSE: 5 -}; + context.mainHeader = false; + if (tile.partIndex === 0) { + // reset component specific settings + tile.COD = context.COD; + tile.COC = context.COC.slice(0); // clone of the global COC + tile.QCD = context.QCD; + tile.QCC = context.QCC.slice(0); // clone of the global COC + } + context.currentTile = tile; + break; + case 0xFF93: // Start of data (SOD) + tile = context.currentTile; + if (tile.partIndex === 0) { + initializeTile(context, tile.index); + buildPackets(context); + } -var PostScriptToken = (function PostScriptTokenClosure() { - function PostScriptToken(type, value) { - this.type = type; - this.value = value; - } - - var opCache = {}; - - PostScriptToken.getOperator = function PostScriptToken_getOperator(op) { - var opValue = opCache[op]; - if (opValue) { - return opValue; - } - return opCache[op] = new PostScriptToken(PostScriptTokenTypes.OPERATOR, op); - }; - - PostScriptToken.LBRACE = new PostScriptToken(PostScriptTokenTypes.LBRACE, - '{'); - PostScriptToken.RBRACE = new PostScriptToken(PostScriptTokenTypes.RBRACE, - '}'); - PostScriptToken.IF = new PostScriptToken(PostScriptTokenTypes.IF, 'IF'); - PostScriptToken.IFELSE = new PostScriptToken(PostScriptTokenTypes.IFELSE, - 'IFELSE'); - return PostScriptToken; -})(); - -var PostScriptLexer = (function PostScriptLexerClosure() { - function PostScriptLexer(stream) { - this.stream = stream; - this.nextChar(); - - this.strBuf = []; - } - PostScriptLexer.prototype = { - nextChar: function PostScriptLexer_nextChar() { - return (this.currentChar = this.stream.getByte()); - }, - getToken: function PostScriptLexer_getToken() { - var comment = false; - var ch = this.currentChar; - - // skip comments - while (true) { - if (ch < 0) { - return EOF; - } - - if (comment) { - if (ch === 0x0A || ch === 0x0D) { - comment = false; + // moving to the end of the data + length = tile.dataEnd - position; + parseTilePackets(context, data, position, length); + break; + case 0xFF55: // Tile-part lengths, main header (TLM) + case 0xFF57: // Packet length, main header (PLM) + case 0xFF58: // Packet length, tile-part header (PLT) + case 0xFF64: // Comment (COM) + length = readUint16(data, position); + // skipping content + break; + case 0xFF53: // Coding style component (COC) + throw new Error('JPX Error: Codestream code 0xFF53 (COC) is ' + + 'not implemented'); + default: + throw new Error('JPX Error: Unknown codestream code: ' + + code.toString(16)); } - } else if (ch === 0x25) { // '%' - comment = true; - } else if (!Lexer.isSpace(ch)) { - break; + position += length; + } + } catch (e) { + if (doNotRecover || this.failOnCorruptedImage) { + throw e; + } else { + warn('Trying to recover from ' + e.message); } - ch = this.nextChar(); } - switch (ch | 0) { - case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: // '0'-'4' - case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: // '5'-'9' - case 0x2B: case 0x2D: case 0x2E: // '+', '-', '.' - return new PostScriptToken(PostScriptTokenTypes.NUMBER, - this.getNumber()); - case 0x7B: // '{' - this.nextChar(); - return PostScriptToken.LBRACE; - case 0x7D: // '}' - this.nextChar(); - return PostScriptToken.RBRACE; + this.tiles = transformComponents(context); + this.width = context.SIZ.Xsiz - context.SIZ.XOsiz; + this.height = context.SIZ.Ysiz - context.SIZ.YOsiz; + this.componentsCount = context.SIZ.Csiz; + } + }; + function calculateComponentDimensions(component, siz) { + // Section B.2 Component mapping + component.x0 = Math.ceil(siz.XOsiz / component.XRsiz); + component.x1 = Math.ceil(siz.Xsiz / component.XRsiz); + component.y0 = Math.ceil(siz.YOsiz / component.YRsiz); + component.y1 = Math.ceil(siz.Ysiz / component.YRsiz); + component.width = component.x1 - component.x0; + component.height = component.y1 - component.y0; + } + function calculateTileGrids(context, components) { + var siz = context.SIZ; + // Section B.3 Division into tile and tile-components + var tile, tiles = []; + var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz); + var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz); + for (var q = 0; q < numYtiles; q++) { + for (var p = 0; p < numXtiles; p++) { + tile = {}; + tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz); + tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz); + tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz); + tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz); + tile.width = tile.tx1 - tile.tx0; + tile.height = tile.ty1 - tile.ty0; + tile.components = []; + tiles.push(tile); } - // operator - var strBuf = this.strBuf; - strBuf.length = 0; - strBuf[0] = String.fromCharCode(ch); + } + context.tiles = tiles; - while ((ch = this.nextChar()) >= 0 && // and 'A'-'Z', 'a'-'z' - ((ch >= 0x41 && ch <= 0x5A) || (ch >= 0x61 && ch <= 0x7A))) { - strBuf.push(String.fromCharCode(ch)); + var componentsCount = siz.Csiz; + for (var i = 0, ii = componentsCount; i < ii; i++) { + var component = components[i]; + for (var j = 0, jj = tiles.length; j < jj; j++) { + var tileComponent = {}; + tile = tiles[j]; + tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz); + tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz); + tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz); + tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz); + tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0; + tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0; + tile.components[i] = tileComponent; } - var str = strBuf.join(''); - switch (str.toLowerCase()) { - case 'if': - return PostScriptToken.IF; - case 'ifelse': - return PostScriptToken.IFELSE; - default: - return PostScriptToken.getOperator(str); - } - }, - getNumber: function PostScriptLexer_getNumber() { - var ch = this.currentChar; - var strBuf = this.strBuf; - strBuf.length = 0; - strBuf[0] = String.fromCharCode(ch); + } + } + function getBlocksDimensions(context, component, r) { + var codOrCoc = component.codingStyleParameters; + var result = {}; + if (!codOrCoc.entropyCoderWithCustomPrecincts) { + result.PPx = 15; + result.PPy = 15; + } else { + result.PPx = codOrCoc.precinctsSizes[r].PPx; + result.PPy = codOrCoc.precinctsSizes[r].PPy; + } + // calculate codeblock size as described in section B.7 + result.xcb_ = (r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : + Math.min(codOrCoc.xcb, result.PPx)); + result.ycb_ = (r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : + Math.min(codOrCoc.ycb, result.PPy)); + return result; + } + function buildPrecincts(context, resolution, dimensions) { + // Section B.6 Division resolution to precincts + var precinctWidth = 1 << dimensions.PPx; + var precinctHeight = 1 << dimensions.PPy; + // Jasper introduces codeblock groups for mapping each subband codeblocks + // to precincts. Precinct partition divides a resolution according to width + // and height parameters. The subband that belongs to the resolution level + // has a different size than the level, unless it is the zero resolution. - while ((ch = this.nextChar()) >= 0) { - if ((ch >= 0x30 && ch <= 0x39) || // '0'-'9' - ch === 0x2D || ch === 0x2E) { // '-', '.' - strBuf.push(String.fromCharCode(ch)); + // From Jasper documentation: jpeg2000.pdf, section K: Tier-2 coding: + // The precinct partitioning for a particular subband is derived from a + // partitioning of its parent LL band (i.e., the LL band at the next higher + // resolution level)... The LL band associated with each resolution level is + // divided into precincts... Each of the resulting precinct regions is then + // mapped into its child subbands (if any) at the next lower resolution + // level. This is accomplished by using the coordinate transformation + // (u, v) = (ceil(x/2), ceil(y/2)) where (x, y) and (u, v) are the + // coordinates of a point in the LL band and child subband, respectively. + var isZeroRes = resolution.resLevel === 0; + var precinctWidthInSubband = 1 << (dimensions.PPx + (isZeroRes ? 0 : -1)); + var precinctHeightInSubband = 1 << (dimensions.PPy + (isZeroRes ? 0 : -1)); + var numprecinctswide = (resolution.trx1 > resolution.trx0 ? + Math.ceil(resolution.trx1 / precinctWidth) - + Math.floor(resolution.trx0 / precinctWidth) : 0); + var numprecinctshigh = (resolution.try1 > resolution.try0 ? + Math.ceil(resolution.try1 / precinctHeight) - + Math.floor(resolution.try0 / precinctHeight) : 0); + var numprecincts = numprecinctswide * numprecinctshigh; + + resolution.precinctParameters = { + precinctWidth: precinctWidth, + precinctHeight: precinctHeight, + numprecinctswide: numprecinctswide, + numprecinctshigh: numprecinctshigh, + numprecincts: numprecincts, + precinctWidthInSubband: precinctWidthInSubband, + precinctHeightInSubband: precinctHeightInSubband + }; + } + function buildCodeblocks(context, subband, dimensions) { + // Section B.7 Division sub-band into code-blocks + var xcb_ = dimensions.xcb_; + var ycb_ = dimensions.ycb_; + var codeblockWidth = 1 << xcb_; + var codeblockHeight = 1 << ycb_; + var cbx0 = subband.tbx0 >> xcb_; + var cby0 = subband.tby0 >> ycb_; + var cbx1 = (subband.tbx1 + codeblockWidth - 1) >> xcb_; + var cby1 = (subband.tby1 + codeblockHeight - 1) >> ycb_; + var precinctParameters = subband.resolution.precinctParameters; + var codeblocks = []; + var precincts = []; + var i, j, codeblock, precinctNumber; + for (j = cby0; j < cby1; j++) { + for (i = cbx0; i < cbx1; i++) { + codeblock = { + cbx: i, + cby: j, + tbx0: codeblockWidth * i, + tby0: codeblockHeight * j, + tbx1: codeblockWidth * (i + 1), + tby1: codeblockHeight * (j + 1) + }; + + codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0); + codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0); + codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1); + codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1); + + // Calculate precinct number for this codeblock, codeblock position + // should be relative to its subband, use actual dimension and position + // See comment about codeblock group width and height + var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / + precinctParameters.precinctWidthInSubband); + var pj = Math.floor((codeblock.tby0_ - subband.tby0) / + precinctParameters.precinctHeightInSubband); + precinctNumber = pi + (pj * precinctParameters.numprecinctswide); + + codeblock.precinctNumber = precinctNumber; + codeblock.subbandType = subband.type; + codeblock.Lblock = 3; + + if (codeblock.tbx1_ <= codeblock.tbx0_ || + codeblock.tby1_ <= codeblock.tby0_) { + continue; + } + codeblocks.push(codeblock); + // building precinct for the sub-band + var precinct = precincts[precinctNumber]; + if (precinct !== undefined) { + if (i < precinct.cbxMin) { + precinct.cbxMin = i; + } else if (i > precinct.cbxMax) { + precinct.cbxMax = i; + } + if (j < precinct.cbyMin) { + precinct.cbxMin = j; + } else if (j > precinct.cbyMax) { + precinct.cbyMax = j; + } + } else { + precincts[precinctNumber] = precinct = { + cbxMin: i, + cbyMin: j, + cbxMax: i, + cbyMax: j + }; + } + codeblock.precinct = precinct; + } + } + subband.codeblockParameters = { + codeblockWidth: xcb_, + codeblockHeight: ycb_, + numcodeblockwide: cbx1 - cbx0 + 1, + numcodeblockhigh: cby1 - cby0 + 1 + }; + subband.codeblocks = codeblocks; + subband.precincts = precincts; + } + function createPacket(resolution, precinctNumber, layerNumber) { + var precinctCodeblocks = []; + // Section B.10.8 Order of info in packet + var subbands = resolution.subbands; + // sub-bands already ordered in 'LL', 'HL', 'LH', and 'HH' sequence + for (var i = 0, ii = subbands.length; i < ii; i++) { + var subband = subbands[i]; + var codeblocks = subband.codeblocks; + for (var j = 0, jj = codeblocks.length; j < jj; j++) { + var codeblock = codeblocks[j]; + if (codeblock.precinctNumber !== precinctNumber) { + continue; + } + precinctCodeblocks.push(codeblock); + } + } + return { + layerNumber: layerNumber, + codeblocks: precinctCodeblocks + }; + } + function LayerResolutionComponentPositionIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var maxDecompositionLevelsCount = 0; + for (var q = 0; q < componentsCount; q++) { + maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, + tile.components[q].codingStyleParameters.decompositionLevelsCount); + } + + var l = 0, r = 0, i = 0, k = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.1 Layer-resolution-component-position + for (; l < layersCount; l++) { + for (; r <= maxDecompositionLevelsCount; r++) { + for (; i < componentsCount; i++) { + var component = tile.components[i]; + if (r > component.codingStyleParameters.decompositionLevelsCount) { + continue; + } + + var resolution = component.resolutions[r]; + var numprecincts = resolution.precinctParameters.numprecincts; + for (; k < numprecincts;) { + var packet = createPacket(resolution, k, l); + k++; + return packet; + } + k = 0; + } + i = 0; + } + r = 0; + } + throw new Error('JPX Error: Out of packets'); + }; + } + function ResolutionLayerComponentPositionIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var maxDecompositionLevelsCount = 0; + for (var q = 0; q < componentsCount; q++) { + maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, + tile.components[q].codingStyleParameters.decompositionLevelsCount); + } + + var r = 0, l = 0, i = 0, k = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.2 Resolution-layer-component-position + for (; r <= maxDecompositionLevelsCount; r++) { + for (; l < layersCount; l++) { + for (; i < componentsCount; i++) { + var component = tile.components[i]; + if (r > component.codingStyleParameters.decompositionLevelsCount) { + continue; + } + + var resolution = component.resolutions[r]; + var numprecincts = resolution.precinctParameters.numprecincts; + for (; k < numprecincts;) { + var packet = createPacket(resolution, k, l); + k++; + return packet; + } + k = 0; + } + i = 0; + } + l = 0; + } + throw new Error('JPX Error: Out of packets'); + }; + } + function ResolutionPositionComponentLayerIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var l, r, c, p; + var maxDecompositionLevelsCount = 0; + for (c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, + component.codingStyleParameters.decompositionLevelsCount); + } + var maxNumPrecinctsInLevel = new Int32Array( + maxDecompositionLevelsCount + 1); + for (r = 0; r <= maxDecompositionLevelsCount; ++r) { + var maxNumPrecincts = 0; + for (c = 0; c < componentsCount; ++c) { + var resolutions = tile.components[c].resolutions; + if (r < resolutions.length) { + maxNumPrecincts = Math.max(maxNumPrecincts, + resolutions[r].precinctParameters.numprecincts); + } + } + maxNumPrecinctsInLevel[r] = maxNumPrecincts; + } + l = 0; + r = 0; + c = 0; + p = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.3 Resolution-position-component-layer + for (; r <= maxDecompositionLevelsCount; r++) { + for (; p < maxNumPrecinctsInLevel[r]; p++) { + for (; c < componentsCount; c++) { + var component = tile.components[c]; + if (r > component.codingStyleParameters.decompositionLevelsCount) { + continue; + } + var resolution = component.resolutions[r]; + var numprecincts = resolution.precinctParameters.numprecincts; + if (p >= numprecincts) { + continue; + } + for (; l < layersCount;) { + var packet = createPacket(resolution, p, l); + l++; + return packet; + } + l = 0; + } + c = 0; + } + p = 0; + } + throw new Error('JPX Error: Out of packets'); + }; + } + function PositionComponentResolutionLayerIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var precinctsSizes = getPrecinctSizesInImageScale(tile); + var precinctsIterationSizes = precinctsSizes; + var l = 0, r = 0, c = 0, px = 0, py = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.4 Position-component-resolution-layer + for (; py < precinctsIterationSizes.maxNumHigh; py++) { + for (; px < precinctsIterationSizes.maxNumWide; px++) { + for (; c < componentsCount; c++) { + var component = tile.components[c]; + var decompositionLevelsCount = + component.codingStyleParameters.decompositionLevelsCount; + for (; r <= decompositionLevelsCount; r++) { + var resolution = component.resolutions[r]; + var sizeInImageScale = + precinctsSizes.components[c].resolutions[r]; + var k = getPrecinctIndexIfExist( + px, + py, + sizeInImageScale, + precinctsIterationSizes, + resolution); + if (k === null) { + continue; + } + for (; l < layersCount;) { + var packet = createPacket(resolution, k, l); + l++; + return packet; + } + l = 0; + } + r = 0; + } + c = 0; + } + px = 0; + } + throw new Error('JPX Error: Out of packets'); + }; + } + function ComponentPositionResolutionLayerIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var precinctsSizes = getPrecinctSizesInImageScale(tile); + var l = 0, r = 0, c = 0, px = 0, py = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.5 Component-position-resolution-layer + for (; c < componentsCount; ++c) { + var component = tile.components[c]; + var precinctsIterationSizes = precinctsSizes.components[c]; + var decompositionLevelsCount = + component.codingStyleParameters.decompositionLevelsCount; + for (; py < precinctsIterationSizes.maxNumHigh; py++) { + for (; px < precinctsIterationSizes.maxNumWide; px++) { + for (; r <= decompositionLevelsCount; r++) { + var resolution = component.resolutions[r]; + var sizeInImageScale = precinctsIterationSizes.resolutions[r]; + var k = getPrecinctIndexIfExist( + px, + py, + sizeInImageScale, + precinctsIterationSizes, + resolution); + if (k === null) { + continue; + } + for (; l < layersCount;) { + var packet = createPacket(resolution, k, l); + l++; + return packet; + } + l = 0; + } + r = 0; + } + px = 0; + } + py = 0; + } + throw new Error('JPX Error: Out of packets'); + }; + } + function getPrecinctIndexIfExist( + pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) { + var posX = pxIndex * precinctIterationSizes.minWidth; + var posY = pyIndex * precinctIterationSizes.minHeight; + if (posX % sizeInImageScale.width !== 0 || + posY % sizeInImageScale.height !== 0) { + return null; + } + var startPrecinctRowIndex = + (posY / sizeInImageScale.width) * + resolution.precinctParameters.numprecinctswide; + return (posX / sizeInImageScale.height) + startPrecinctRowIndex; + } + function getPrecinctSizesInImageScale(tile) { + var componentsCount = tile.components.length; + var minWidth = Number.MAX_VALUE; + var minHeight = Number.MAX_VALUE; + var maxNumWide = 0; + var maxNumHigh = 0; + var sizePerComponent = new Array(componentsCount); + for (var c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + var decompositionLevelsCount = + component.codingStyleParameters.decompositionLevelsCount; + var sizePerResolution = new Array(decompositionLevelsCount + 1); + var minWidthCurrentComponent = Number.MAX_VALUE; + var minHeightCurrentComponent = Number.MAX_VALUE; + var maxNumWideCurrentComponent = 0; + var maxNumHighCurrentComponent = 0; + var scale = 1; + for (var r = decompositionLevelsCount; r >= 0; --r) { + var resolution = component.resolutions[r]; + var widthCurrentResolution = + scale * resolution.precinctParameters.precinctWidth; + var heightCurrentResolution = + scale * resolution.precinctParameters.precinctHeight; + minWidthCurrentComponent = Math.min( + minWidthCurrentComponent, + widthCurrentResolution); + minHeightCurrentComponent = Math.min( + minHeightCurrentComponent, + heightCurrentResolution); + maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, + resolution.precinctParameters.numprecinctswide); + maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, + resolution.precinctParameters.numprecinctshigh); + sizePerResolution[r] = { + width: widthCurrentResolution, + height: heightCurrentResolution + }; + scale <<= 1; + } + minWidth = Math.min(minWidth, minWidthCurrentComponent); + minHeight = Math.min(minHeight, minHeightCurrentComponent); + maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent); + maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent); + sizePerComponent[c] = { + resolutions: sizePerResolution, + minWidth: minWidthCurrentComponent, + minHeight: minHeightCurrentComponent, + maxNumWide: maxNumWideCurrentComponent, + maxNumHigh: maxNumHighCurrentComponent + }; + } + return { + components: sizePerComponent, + minWidth: minWidth, + minHeight: minHeight, + maxNumWide: maxNumWide, + maxNumHigh: maxNumHigh + }; + } + function buildPackets(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var componentsCount = siz.Csiz; + // Creating resolutions and sub-bands for each component + for (var c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + var decompositionLevelsCount = + component.codingStyleParameters.decompositionLevelsCount; + // Section B.5 Resolution levels and sub-bands + var resolutions = []; + var subbands = []; + for (var r = 0; r <= decompositionLevelsCount; r++) { + var blocksDimensions = getBlocksDimensions(context, component, r); + var resolution = {}; + var scale = 1 << (decompositionLevelsCount - r); + resolution.trx0 = Math.ceil(component.tcx0 / scale); + resolution.try0 = Math.ceil(component.tcy0 / scale); + resolution.trx1 = Math.ceil(component.tcx1 / scale); + resolution.try1 = Math.ceil(component.tcy1 / scale); + resolution.resLevel = r; + buildPrecincts(context, resolution, blocksDimensions); + resolutions.push(resolution); + + var subband; + if (r === 0) { + // one sub-band (LL) with last decomposition + subband = {}; + subband.type = 'LL'; + subband.tbx0 = Math.ceil(component.tcx0 / scale); + subband.tby0 = Math.ceil(component.tcy0 / scale); + subband.tbx1 = Math.ceil(component.tcx1 / scale); + subband.tby1 = Math.ceil(component.tcy1 / scale); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolution.subbands = [subband]; + } else { + var bscale = 1 << (decompositionLevelsCount - r + 1); + var resolutionSubbands = []; + // three sub-bands (HL, LH and HH) with rest of decompositions + subband = {}; + subband.type = 'HL'; + subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5); + subband.tby0 = Math.ceil(component.tcy0 / bscale); + subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5); + subband.tby1 = Math.ceil(component.tcy1 / bscale); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolutionSubbands.push(subband); + + subband = {}; + subband.type = 'LH'; + subband.tbx0 = Math.ceil(component.tcx0 / bscale); + subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5); + subband.tbx1 = Math.ceil(component.tcx1 / bscale); + subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolutionSubbands.push(subband); + + subband = {}; + subband.type = 'HH'; + subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5); + subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5); + subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5); + subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolutionSubbands.push(subband); + + resolution.subbands = resolutionSubbands; + } + } + component.resolutions = resolutions; + component.subbands = subbands; + } + // Generate the packets sequence + var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder; + switch (progressionOrder) { + case 0: + tile.packetsIterator = + new LayerResolutionComponentPositionIterator(context); + break; + case 1: + tile.packetsIterator = + new ResolutionLayerComponentPositionIterator(context); + break; + case 2: + tile.packetsIterator = + new ResolutionPositionComponentLayerIterator(context); + break; + case 3: + tile.packetsIterator = + new PositionComponentResolutionLayerIterator(context); + break; + case 4: + tile.packetsIterator = + new ComponentPositionResolutionLayerIterator(context); + break; + default: + throw new Error('JPX Error: Unsupported progression order ' + + progressionOrder); + } + } + function parseTilePackets(context, data, offset, dataLength) { + var position = 0; + var buffer, bufferSize = 0, skipNextBit = false; + function readBits(count) { + while (bufferSize < count) { + var b = data[offset + position]; + position++; + if (skipNextBit) { + buffer = (buffer << 7) | b; + bufferSize += 7; + skipNextBit = false; + } else { + buffer = (buffer << 8) | b; + bufferSize += 8; + } + if (b === 0xFF) { + skipNextBit = true; + } + } + bufferSize -= count; + return (buffer >>> bufferSize) & ((1 << count) - 1); + } + function skipMarkerIfEqual(value) { + if (data[offset + position - 1] === 0xFF && + data[offset + position] === value) { + skipBytes(1); + return true; + } else if (data[offset + position] === 0xFF && + data[offset + position + 1] === value) { + skipBytes(2); + return true; + } + return false; + } + function skipBytes(count) { + position += count; + } + function alignToByte() { + bufferSize = 0; + if (skipNextBit) { + position++; + skipNextBit = false; + } + } + function readCodingpasses() { + if (readBits(1) === 0) { + return 1; + } + if (readBits(1) === 0) { + return 2; + } + var value = readBits(2); + if (value < 3) { + return value + 3; + } + value = readBits(5); + if (value < 31) { + return value + 6; + } + value = readBits(7); + return value + 37; + } + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var sopMarkerUsed = context.COD.sopMarkerUsed; + var ephMarkerUsed = context.COD.ephMarkerUsed; + var packetsIterator = tile.packetsIterator; + while (position < dataLength) { + alignToByte(); + if (sopMarkerUsed && skipMarkerIfEqual(0x91)) { + // Skip also marker segment length and packet sequence ID + skipBytes(4); + } + var packet = packetsIterator.nextPacket(); + if (!readBits(1)) { + continue; + } + var layerNumber = packet.layerNumber; + var queue = [], codeblock; + for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) { + codeblock = packet.codeblocks[i]; + var precinct = codeblock.precinct; + var codeblockColumn = codeblock.cbx - precinct.cbxMin; + var codeblockRow = codeblock.cby - precinct.cbyMin; + var codeblockIncluded = false; + var firstTimeInclusion = false; + var valueReady; + if (codeblock['included'] !== undefined) { + codeblockIncluded = !!readBits(1); + } else { + // reading inclusion tree + precinct = codeblock.precinct; + var inclusionTree, zeroBitPlanesTree; + if (precinct['inclusionTree'] !== undefined) { + inclusionTree = precinct.inclusionTree; + } else { + // building inclusion and zero bit-planes trees + var width = precinct.cbxMax - precinct.cbxMin + 1; + var height = precinct.cbyMax - precinct.cbyMin + 1; + inclusionTree = new InclusionTree(width, height, layerNumber); + zeroBitPlanesTree = new TagTree(width, height); + precinct.inclusionTree = inclusionTree; + precinct.zeroBitPlanesTree = zeroBitPlanesTree; + } + + if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) { + while (true) { + if (readBits(1)) { + valueReady = !inclusionTree.nextLevel(); + if (valueReady) { + codeblock.included = true; + codeblockIncluded = firstTimeInclusion = true; + break; + } + } else { + inclusionTree.incrementValue(layerNumber); + break; + } + } + } + } + if (!codeblockIncluded) { + continue; + } + if (firstTimeInclusion) { + zeroBitPlanesTree = precinct.zeroBitPlanesTree; + zeroBitPlanesTree.reset(codeblockColumn, codeblockRow); + while (true) { + if (readBits(1)) { + valueReady = !zeroBitPlanesTree.nextLevel(); + if (valueReady) { + break; + } + } else { + zeroBitPlanesTree.incrementValue(); + } + } + codeblock.zeroBitPlanes = zeroBitPlanesTree.value; + } + var codingpasses = readCodingpasses(); + while (readBits(1)) { + codeblock.Lblock++; + } + var codingpassesLog2 = log2(codingpasses); + // rounding down log2 + var bits = ((codingpasses < (1 << codingpassesLog2)) ? + codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock; + var codedDataLength = readBits(bits); + queue.push({ + codeblock: codeblock, + codingpasses: codingpasses, + dataLength: codedDataLength + }); + } + alignToByte(); + if (ephMarkerUsed) { + skipMarkerIfEqual(0x92); + } + while (queue.length > 0) { + var packetItem = queue.shift(); + codeblock = packetItem.codeblock; + if (codeblock['data'] === undefined) { + codeblock.data = []; + } + codeblock.data.push({ + data: data, + start: offset + position, + end: offset + position + packetItem.dataLength, + codingpasses: packetItem.codingpasses + }); + position += packetItem.dataLength; + } + } + return position; + } + function copyCoefficients(coefficients, levelWidth, levelHeight, subband, + delta, mb, reversible, segmentationSymbolUsed) { + var x0 = subband.tbx0; + var y0 = subband.tby0; + var width = subband.tbx1 - subband.tbx0; + var codeblocks = subband.codeblocks; + var right = subband.type.charAt(0) === 'H' ? 1 : 0; + var bottom = subband.type.charAt(1) === 'H' ? levelWidth : 0; + + for (var i = 0, ii = codeblocks.length; i < ii; ++i) { + var codeblock = codeblocks[i]; + var blockWidth = codeblock.tbx1_ - codeblock.tbx0_; + var blockHeight = codeblock.tby1_ - codeblock.tby0_; + if (blockWidth === 0 || blockHeight === 0) { + continue; + } + if (codeblock['data'] === undefined) { + continue; + } + + var bitModel, currentCodingpassType; + bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, + codeblock.zeroBitPlanes, mb); + currentCodingpassType = 2; // first bit plane starts from cleanup + + // collect data + var data = codeblock.data, totalLength = 0, codingpasses = 0; + var j, jj, dataItem; + for (j = 0, jj = data.length; j < jj; j++) { + dataItem = data[j]; + totalLength += dataItem.end - dataItem.start; + codingpasses += dataItem.codingpasses; + } + var encodedData = new Uint8Array(totalLength); + var position = 0; + for (j = 0, jj = data.length; j < jj; j++) { + dataItem = data[j]; + var chunk = dataItem.data.subarray(dataItem.start, dataItem.end); + encodedData.set(chunk, position); + position += chunk.length; + } + // decoding the item + var decoder = new ArithmeticDecoder(encodedData, 0, totalLength); + bitModel.setDecoder(decoder); + + for (j = 0; j < codingpasses; j++) { + switch (currentCodingpassType) { + case 0: + bitModel.runSignificancePropogationPass(); + break; + case 1: + bitModel.runMagnitudeRefinementPass(); + break; + case 2: + bitModel.runCleanupPass(); + if (segmentationSymbolUsed) { + bitModel.checkSegmentationSymbol(); + } + break; + } + currentCodingpassType = (currentCodingpassType + 1) % 3; + } + + var offset = (codeblock.tbx0_ - x0) + (codeblock.tby0_ - y0) * width; + var sign = bitModel.coefficentsSign; + var magnitude = bitModel.coefficentsMagnitude; + var bitsDecoded = bitModel.bitsDecoded; + var magnitudeCorrection = reversible ? 0 : 0.5; + var k, n, nb; + position = 0; + // Do the interleaving of Section F.3.3 here, so we do not need + // to copy later. LL level is not interleaved, just copied. + var interleave = (subband.type !== 'LL'); + for (j = 0; j < blockHeight; j++) { + var row = (offset / width) | 0; // row in the non-interleaved subband + var levelOffset = 2 * row * (levelWidth - width) + right + bottom; + for (k = 0; k < blockWidth; k++) { + n = magnitude[position]; + if (n !== 0) { + n = (n + magnitudeCorrection) * delta; + if (sign[position] !== 0) { + n = -n; + } + nb = bitsDecoded[position]; + var pos = interleave ? (levelOffset + (offset << 1)) : offset; + if (reversible && (nb >= mb)) { + coefficients[pos] = n; + } else { + coefficients[pos] = n * (1 << (mb - nb)); + } + } + offset++; + position++; + } + offset += width - blockWidth; + } + } + } + function transformTile(context, tile, c) { + var component = tile.components[c]; + var codingStyleParameters = component.codingStyleParameters; + var quantizationParameters = component.quantizationParameters; + var decompositionLevelsCount = + codingStyleParameters.decompositionLevelsCount; + var spqcds = quantizationParameters.SPqcds; + var scalarExpounded = quantizationParameters.scalarExpounded; + var guardBits = quantizationParameters.guardBits; + var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed; + var precision = context.components[c].precision; + + var reversible = codingStyleParameters.reversibleTransformation; + var transform = (reversible ? new ReversibleTransform() : + new IrreversibleTransform()); + + var subbandCoefficients = []; + var b = 0; + for (var i = 0; i <= decompositionLevelsCount; i++) { + var resolution = component.resolutions[i]; + + var width = resolution.trx1 - resolution.trx0; + var height = resolution.try1 - resolution.try0; + // Allocate space for the whole sublevel. + var coefficients = new Float32Array(width * height); + + for (var j = 0, jj = resolution.subbands.length; j < jj; j++) { + var mu, epsilon; + if (!scalarExpounded) { + // formula E-5 + mu = spqcds[0].mu; + epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0); + } else { + mu = spqcds[b].mu; + epsilon = spqcds[b].epsilon; + b++; + } + + var subband = resolution.subbands[j]; + var gainLog2 = SubbandsGainLog2[subband.type]; + + // calulate quantization coefficient (Section E.1.1.1) + var delta = (reversible ? 1 : + Math.pow(2, precision + gainLog2 - epsilon) * (1 + mu / 2048)); + var mb = (guardBits + epsilon - 1); + + // In the first resolution level, copyCoefficients will fill the + // whole array with coefficients. In the succeding passes, + // copyCoefficients will consecutively fill in the values that belong + // to the interleaved positions of the HL, LH, and HH coefficients. + // The LL coefficients will then be interleaved in Transform.iterate(). + copyCoefficients(coefficients, width, height, subband, delta, mb, + reversible, segmentationSymbolUsed); + } + subbandCoefficients.push({ + width: width, + height: height, + items: coefficients + }); + } + + var result = transform.calculate(subbandCoefficients, + component.tcx0, component.tcy0); + return { + left: component.tcx0, + top: component.tcy0, + width: result.width, + height: result.height, + items: result.items + }; + } + function transformComponents(context) { + var siz = context.SIZ; + var components = context.components; + var componentsCount = siz.Csiz; + var resultImages = []; + for (var i = 0, ii = context.tiles.length; i < ii; i++) { + var tile = context.tiles[i]; + var transformedTiles = []; + var c; + for (c = 0; c < componentsCount; c++) { + transformedTiles[c] = transformTile(context, tile, c); + } + var tile0 = transformedTiles[0]; + var out = new Uint8Array(tile0.items.length * componentsCount); + var result = { + left: tile0.left, + top: tile0.top, + width: tile0.width, + height: tile0.height, + items: out + }; + + // Section G.2.2 Inverse multi component transform + var shift, offset, max, min, maxK; + var pos = 0, j, jj, y0, y1, y2, r, g, b, k, val; + if (tile.codingStyleDefaultParameters.multipleComponentTransform) { + var fourComponents = componentsCount === 4; + var y0items = transformedTiles[0].items; + var y1items = transformedTiles[1].items; + var y2items = transformedTiles[2].items; + var y3items = fourComponents ? transformedTiles[3].items : null; + + // HACK: The multiple component transform formulas below assume that + // all components have the same precision. With this in mind, we + // compute shift and offset only once. + shift = components[0].precision - 8; + offset = (128 << shift) + 0.5; + max = 255 * (1 << shift); + maxK = max * 0.5; + min = -maxK; + + var component0 = tile.components[0]; + var alpha01 = componentsCount - 3; + jj = y0items.length; + if (!component0.codingStyleParameters.reversibleTransformation) { + // inverse irreversible multiple component transform + for (j = 0; j < jj; j++, pos += alpha01) { + y0 = y0items[j] + offset; + y1 = y1items[j]; + y2 = y2items[j]; + r = y0 + 1.402 * y2; + g = y0 - 0.34413 * y1 - 0.71414 * y2; + b = y0 + 1.772 * y1; + out[pos++] = r <= 0 ? 0 : r >= max ? 255 : r >> shift; + out[pos++] = g <= 0 ? 0 : g >= max ? 255 : g >> shift; + out[pos++] = b <= 0 ? 0 : b >= max ? 255 : b >> shift; + } + } else { + // inverse reversible multiple component transform + for (j = 0; j < jj; j++, pos += alpha01) { + y0 = y0items[j] + offset; + y1 = y1items[j]; + y2 = y2items[j]; + g = y0 - ((y2 + y1) >> 2); + r = g + y2; + b = g + y1; + out[pos++] = r <= 0 ? 0 : r >= max ? 255 : r >> shift; + out[pos++] = g <= 0 ? 0 : g >= max ? 255 : g >> shift; + out[pos++] = b <= 0 ? 0 : b >= max ? 255 : b >> shift; + } + } + if (fourComponents) { + for (j = 0, pos = 3; j < jj; j++, pos += 4) { + k = y3items[j]; + out[pos] = k <= min ? 0 : k >= maxK ? 255 : (k + offset) >> shift; + } + } + } else { // no multi-component transform + for (c = 0; c < componentsCount; c++) { + var items = transformedTiles[c].items; + shift = components[c].precision - 8; + offset = (128 << shift) + 0.5; + max = (127.5 * (1 << shift)); + min = -max; + for (pos = c, j = 0, jj = items.length; j < jj; j++) { + val = items[j]; + out[pos] = val <= min ? 0 : + val >= max ? 255 : (val + offset) >> shift; + pos += componentsCount; + } + } + } + resultImages.push(result); + } + return resultImages; + } + function initializeTile(context, tileIndex) { + var siz = context.SIZ; + var componentsCount = siz.Csiz; + var tile = context.tiles[tileIndex]; + for (var c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + var qcdOrQcc = (context.currentTile.QCC[c] !== undefined ? + context.currentTile.QCC[c] : context.currentTile.QCD); + component.quantizationParameters = qcdOrQcc; + var codOrCoc = (context.currentTile.COC[c] !== undefined ? + context.currentTile.COC[c] : context.currentTile.COD); + component.codingStyleParameters = codOrCoc; + } + tile.codingStyleDefaultParameters = context.currentTile.COD; + } + + // Section B.10.2 Tag trees + var TagTree = (function TagTreeClosure() { + function TagTree(width, height) { + var levelsLength = log2(Math.max(width, height)) + 1; + this.levels = []; + for (var i = 0; i < levelsLength; i++) { + var level = { + width: width, + height: height, + items: [] + }; + this.levels.push(level); + width = Math.ceil(width / 2); + height = Math.ceil(height / 2); + } + } + TagTree.prototype = { + reset: function TagTree_reset(i, j) { + var currentLevel = 0, value = 0, level; + while (currentLevel < this.levels.length) { + level = this.levels[currentLevel]; + var index = i + j * level.width; + if (level.items[index] !== undefined) { + value = level.items[index]; + break; + } + level.index = index; + i >>= 1; + j >>= 1; + currentLevel++; + } + currentLevel--; + level = this.levels[currentLevel]; + level.items[level.index] = value; + this.currentLevel = currentLevel; + delete this.value; + }, + incrementValue: function TagTree_incrementValue() { + var level = this.levels[this.currentLevel]; + level.items[level.index]++; + }, + nextLevel: function TagTree_nextLevel() { + var currentLevel = this.currentLevel; + var level = this.levels[currentLevel]; + var value = level.items[level.index]; + currentLevel--; + if (currentLevel < 0) { + this.value = value; + return false; + } + + this.currentLevel = currentLevel; + level = this.levels[currentLevel]; + level.items[level.index] = value; + return true; + } + }; + return TagTree; + })(); + + var InclusionTree = (function InclusionTreeClosure() { + function InclusionTree(width, height, defaultValue) { + var levelsLength = log2(Math.max(width, height)) + 1; + this.levels = []; + for (var i = 0; i < levelsLength; i++) { + var items = new Uint8Array(width * height); + for (var j = 0, jj = items.length; j < jj; j++) { + items[j] = defaultValue; + } + + var level = { + width: width, + height: height, + items: items + }; + this.levels.push(level); + + width = Math.ceil(width / 2); + height = Math.ceil(height / 2); + } + } + InclusionTree.prototype = { + reset: function InclusionTree_reset(i, j, stopValue) { + var currentLevel = 0; + while (currentLevel < this.levels.length) { + var level = this.levels[currentLevel]; + var index = i + j * level.width; + level.index = index; + var value = level.items[index]; + + if (value === 0xFF) { + break; + } + + if (value > stopValue) { + this.currentLevel = currentLevel; + // already know about this one, propagating the value to top levels + this.propagateValues(); + return false; + } + + i >>= 1; + j >>= 1; + currentLevel++; + } + this.currentLevel = currentLevel - 1; + return true; + }, + incrementValue: function InclusionTree_incrementValue(stopValue) { + var level = this.levels[this.currentLevel]; + level.items[level.index] = stopValue + 1; + this.propagateValues(); + }, + propagateValues: function InclusionTree_propagateValues() { + var levelIndex = this.currentLevel; + var level = this.levels[levelIndex]; + var currentValue = level.items[level.index]; + while (--levelIndex >= 0) { + level = this.levels[levelIndex]; + level.items[level.index] = currentValue; + } + }, + nextLevel: function InclusionTree_nextLevel() { + var currentLevel = this.currentLevel; + var level = this.levels[currentLevel]; + var value = level.items[level.index]; + level.items[level.index] = 0xFF; + currentLevel--; + if (currentLevel < 0) { + return false; + } + + this.currentLevel = currentLevel; + level = this.levels[currentLevel]; + level.items[level.index] = value; + return true; + } + }; + return InclusionTree; + })(); + + // Section D. Coefficient bit modeling + var BitModel = (function BitModelClosure() { + var UNIFORM_CONTEXT = 17; + var RUNLENGTH_CONTEXT = 18; + // Table D-1 + // The index is binary presentation: 0dddvvhh, ddd - sum of Di (0..4), + // vv - sum of Vi (0..2), and hh - sum of Hi (0..2) + var LLAndLHContextsLabel = new Uint8Array([ + 0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, + 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, + 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8 + ]); + var HLContextLabel = new Uint8Array([ + 0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, + 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, + 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8 + ]); + var HHContextLabel = new Uint8Array([ + 0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, + 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, + 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8 + ]); + + function BitModel(width, height, subband, zeroBitPlanes, mb) { + this.width = width; + this.height = height; + + this.contextLabelTable = (subband === 'HH' ? HHContextLabel : + (subband === 'HL' ? HLContextLabel : LLAndLHContextsLabel)); + + var coefficientCount = width * height; + + // coefficients outside the encoding region treated as insignificant + // add border state cells for significanceState + this.neighborsSignificance = new Uint8Array(coefficientCount); + this.coefficentsSign = new Uint8Array(coefficientCount); + this.coefficentsMagnitude = mb > 14 ? new Uint32Array(coefficientCount) : + mb > 6 ? new Uint16Array(coefficientCount) : + new Uint8Array(coefficientCount); + this.processingFlags = new Uint8Array(coefficientCount); + + var bitsDecoded = new Uint8Array(coefficientCount); + if (zeroBitPlanes !== 0) { + for (var i = 0; i < coefficientCount; i++) { + bitsDecoded[i] = zeroBitPlanes; + } + } + this.bitsDecoded = bitsDecoded; + + this.reset(); + } + + BitModel.prototype = { + setDecoder: function BitModel_setDecoder(decoder) { + this.decoder = decoder; + }, + reset: function BitModel_reset() { + // We have 17 contexts that are accessed via context labels, + // plus the uniform and runlength context. + this.contexts = new Int8Array(19); + + // Contexts are packed into 1 byte: + // highest 7 bits carry the index, lowest bit carries mps + this.contexts[0] = (4 << 1) | 0; + this.contexts[UNIFORM_CONTEXT] = (46 << 1) | 0; + this.contexts[RUNLENGTH_CONTEXT] = (3 << 1) | 0; + }, + setNeighborsSignificance: + function BitModel_setNeighborsSignificance(row, column, index) { + var neighborsSignificance = this.neighborsSignificance; + var width = this.width, height = this.height; + var left = (column > 0); + var right = (column + 1 < width); + var i; + + if (row > 0) { + i = index - width; + if (left) { + neighborsSignificance[i - 1] += 0x10; + } + if (right) { + neighborsSignificance[i + 1] += 0x10; + } + neighborsSignificance[i] += 0x04; + } + + if (row + 1 < height) { + i = index + width; + if (left) { + neighborsSignificance[i - 1] += 0x10; + } + if (right) { + neighborsSignificance[i + 1] += 0x10; + } + neighborsSignificance[i] += 0x04; + } + + if (left) { + neighborsSignificance[index - 1] += 0x01; + } + if (right) { + neighborsSignificance[index + 1] += 0x01; + } + neighborsSignificance[index] |= 0x80; + }, + runSignificancePropogationPass: + function BitModel_runSignificancePropogationPass() { + var decoder = this.decoder; + var width = this.width, height = this.height; + var coefficentsMagnitude = this.coefficentsMagnitude; + var coefficentsSign = this.coefficentsSign; + var neighborsSignificance = this.neighborsSignificance; + var processingFlags = this.processingFlags; + var contexts = this.contexts; + var labels = this.contextLabelTable; + var bitsDecoded = this.bitsDecoded; + var processedInverseMask = ~1; + var processedMask = 1; + var firstMagnitudeBitMask = 2; + + for (var i0 = 0; i0 < height; i0 += 4) { + for (var j = 0; j < width; j++) { + var index = i0 * width + j; + for (var i1 = 0; i1 < 4; i1++, index += width) { + var i = i0 + i1; + if (i >= height) { + break; + } + // clear processed flag first + processingFlags[index] &= processedInverseMask; + + if (coefficentsMagnitude[index] || + !neighborsSignificance[index]) { + continue; + } + + var contextLabel = labels[neighborsSignificance[index]]; + var decision = decoder.readBit(contexts, contextLabel); + if (decision) { + var sign = this.decodeSignBit(i, j, index); + coefficentsSign[index] = sign; + coefficentsMagnitude[index] = 1; + this.setNeighborsSignificance(i, j, index); + processingFlags[index] |= firstMagnitudeBitMask; + } + bitsDecoded[index]++; + processingFlags[index] |= processedMask; + } + } + } + }, + decodeSignBit: function BitModel_decodeSignBit(row, column, index) { + var width = this.width, height = this.height; + var coefficentsMagnitude = this.coefficentsMagnitude; + var coefficentsSign = this.coefficentsSign; + var contribution, sign0, sign1, significance1; + var contextLabel, decoded; + + // calculate horizontal contribution + significance1 = (column > 0 && coefficentsMagnitude[index - 1] !== 0); + if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) { + sign1 = coefficentsSign[index + 1]; + if (significance1) { + sign0 = coefficentsSign[index - 1]; + contribution = 1 - sign1 - sign0; + } else { + contribution = 1 - sign1 - sign1; + } + } else if (significance1) { + sign0 = coefficentsSign[index - 1]; + contribution = 1 - sign0 - sign0; + } else { + contribution = 0; + } + var horizontalContribution = 3 * contribution; + + // calculate vertical contribution and combine with the horizontal + significance1 = (row > 0 && coefficentsMagnitude[index - width] !== 0); + if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) { + sign1 = coefficentsSign[index + width]; + if (significance1) { + sign0 = coefficentsSign[index - width]; + contribution = 1 - sign1 - sign0 + horizontalContribution; + } else { + contribution = 1 - sign1 - sign1 + horizontalContribution; + } + } else if (significance1) { + sign0 = coefficentsSign[index - width]; + contribution = 1 - sign0 - sign0 + horizontalContribution; + } else { + contribution = horizontalContribution; + } + + if (contribution >= 0) { + contextLabel = 9 + contribution; + decoded = this.decoder.readBit(this.contexts, contextLabel); + } else { + contextLabel = 9 - contribution; + decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1; + } + return decoded; + }, + runMagnitudeRefinementPass: + function BitModel_runMagnitudeRefinementPass() { + var decoder = this.decoder; + var width = this.width, height = this.height; + var coefficentsMagnitude = this.coefficentsMagnitude; + var neighborsSignificance = this.neighborsSignificance; + var contexts = this.contexts; + var bitsDecoded = this.bitsDecoded; + var processingFlags = this.processingFlags; + var processedMask = 1; + var firstMagnitudeBitMask = 2; + var length = width * height; + var width4 = width * 4; + + for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) { + indexNext = Math.min(length, index0 + width4); + for (var j = 0; j < width; j++) { + for (var index = index0 + j; index < indexNext; index += width) { + + // significant but not those that have just become + if (!coefficentsMagnitude[index] || + (processingFlags[index] & processedMask) !== 0) { + continue; + } + + var contextLabel = 16; + if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) { + processingFlags[index] ^= firstMagnitudeBitMask; + // first refinement + var significance = neighborsSignificance[index] & 127; + contextLabel = significance === 0 ? 15 : 14; + } + + var bit = decoder.readBit(contexts, contextLabel); + coefficentsMagnitude[index] = + (coefficentsMagnitude[index] << 1) | bit; + bitsDecoded[index]++; + processingFlags[index] |= processedMask; + } + } + } + }, + runCleanupPass: function BitModel_runCleanupPass() { + var decoder = this.decoder; + var width = this.width, height = this.height; + var neighborsSignificance = this.neighborsSignificance; + var coefficentsMagnitude = this.coefficentsMagnitude; + var coefficentsSign = this.coefficentsSign; + var contexts = this.contexts; + var labels = this.contextLabelTable; + var bitsDecoded = this.bitsDecoded; + var processingFlags = this.processingFlags; + var processedMask = 1; + var firstMagnitudeBitMask = 2; + var oneRowDown = width; + var twoRowsDown = width * 2; + var threeRowsDown = width * 3; + var iNext; + for (var i0 = 0; i0 < height; i0 = iNext) { + iNext = Math.min(i0 + 4, height); + var indexBase = i0 * width; + var checkAllEmpty = i0 + 3 < height; + for (var j = 0; j < width; j++) { + var index0 = indexBase + j; + // using the property: labels[neighborsSignificance[index]] === 0 + // when neighborsSignificance[index] === 0 + var allEmpty = (checkAllEmpty && + processingFlags[index0] === 0 && + processingFlags[index0 + oneRowDown] === 0 && + processingFlags[index0 + twoRowsDown] === 0 && + processingFlags[index0 + threeRowsDown] === 0 && + neighborsSignificance[index0] === 0 && + neighborsSignificance[index0 + oneRowDown] === 0 && + neighborsSignificance[index0 + twoRowsDown] === 0 && + neighborsSignificance[index0 + threeRowsDown] === 0); + var i1 = 0, index = index0; + var i = i0, sign; + if (allEmpty) { + var hasSignificantCoefficent = + decoder.readBit(contexts, RUNLENGTH_CONTEXT); + if (!hasSignificantCoefficent) { + bitsDecoded[index0]++; + bitsDecoded[index0 + oneRowDown]++; + bitsDecoded[index0 + twoRowsDown]++; + bitsDecoded[index0 + threeRowsDown]++; + continue; // next column + } + i1 = (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) | + decoder.readBit(contexts, UNIFORM_CONTEXT); + if (i1 !== 0) { + i = i0 + i1; + index += i1 * width; + } + + sign = this.decodeSignBit(i, j, index); + coefficentsSign[index] = sign; + coefficentsMagnitude[index] = 1; + this.setNeighborsSignificance(i, j, index); + processingFlags[index] |= firstMagnitudeBitMask; + + index = index0; + for (var i2 = i0; i2 <= i; i2++, index += width) { + bitsDecoded[index]++; + } + + i1++; + } + for (i = i0 + i1; i < iNext; i++, index += width) { + if (coefficentsMagnitude[index] || + (processingFlags[index] & processedMask) !== 0) { + continue; + } + + var contextLabel = labels[neighborsSignificance[index]]; + var decision = decoder.readBit(contexts, contextLabel); + if (decision === 1) { + sign = this.decodeSignBit(i, j, index); + coefficentsSign[index] = sign; + coefficentsMagnitude[index] = 1; + this.setNeighborsSignificance(i, j, index); + processingFlags[index] |= firstMagnitudeBitMask; + } + bitsDecoded[index]++; + } + } + } + }, + checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() { + var decoder = this.decoder; + var contexts = this.contexts; + var symbol = (decoder.readBit(contexts, UNIFORM_CONTEXT) << 3) | + (decoder.readBit(contexts, UNIFORM_CONTEXT) << 2) | + (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) | + decoder.readBit(contexts, UNIFORM_CONTEXT); + if (symbol !== 0xA) { + throw new Error('JPX Error: Invalid segmentation symbol'); + } + } + }; + + return BitModel; + })(); + + // Section F, Discrete wavelet transformation + var Transform = (function TransformClosure() { + function Transform() {} + + Transform.prototype.calculate = + function transformCalculate(subbands, u0, v0) { + var ll = subbands[0]; + for (var i = 1, ii = subbands.length; i < ii; i++) { + ll = this.iterate(ll, subbands[i], u0, v0); + } + return ll; + }; + Transform.prototype.extend = function extend(buffer, offset, size) { + // Section F.3.7 extending... using max extension of 4 + var i1 = offset - 1, j1 = offset + 1; + var i2 = offset + size - 2, j2 = offset + size; + buffer[i1--] = buffer[j1++]; + buffer[j2++] = buffer[i2--]; + buffer[i1--] = buffer[j1++]; + buffer[j2++] = buffer[i2--]; + buffer[i1--] = buffer[j1++]; + buffer[j2++] = buffer[i2--]; + buffer[i1] = buffer[j1]; + buffer[j2] = buffer[i2]; + }; + Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, + u0, v0) { + var llWidth = ll.width, llHeight = ll.height, llItems = ll.items; + var width = hl_lh_hh.width; + var height = hl_lh_hh.height; + var items = hl_lh_hh.items; + var i, j, k, l, u, v; + + // Interleave LL according to Section F.3.3 + for (k = 0, i = 0; i < llHeight; i++) { + l = i * 2 * width; + for (j = 0; j < llWidth; j++, k++, l += 2) { + items[l] = llItems[k]; + } + } + // The LL band is not needed anymore. + llItems = ll.items = null; + + var bufferPadding = 4; + var rowBuffer = new Float32Array(width + 2 * bufferPadding); + + // Section F.3.4 HOR_SR + if (width === 1) { + // if width = 1, when u0 even keep items as is, when odd divide by 2 + if ((u0 & 1) !== 0) { + for (v = 0, k = 0; v < height; v++, k += width) { + items[k] *= 0.5; + } + } + } else { + for (v = 0, k = 0; v < height; v++, k += width) { + rowBuffer.set(items.subarray(k, k + width), bufferPadding); + + this.extend(rowBuffer, bufferPadding, width); + this.filter(rowBuffer, bufferPadding, width); + + items.set( + rowBuffer.subarray(bufferPadding, bufferPadding + width), + k); + } + } + + // Accesses to the items array can take long, because it may not fit into + // CPU cache and has to be fetched from main memory. Since subsequent + // accesses to the items array are not local when reading columns, we + // have a cache miss every time. To reduce cache misses, get up to + // 'numBuffers' items at a time and store them into the individual + // buffers. The colBuffers should be small enough to fit into CPU cache. + var numBuffers = 16; + var colBuffers = []; + for (i = 0; i < numBuffers; i++) { + colBuffers.push(new Float32Array(height + 2 * bufferPadding)); + } + var b, currentBuffer = 0; + ll = bufferPadding + height; + + // Section F.3.5 VER_SR + if (height === 1) { + // if height = 1, when v0 even keep items as is, when odd divide by 2 + if ((v0 & 1) !== 0) { + for (u = 0; u < width; u++) { + items[u] *= 0.5; + } + } + } else { + for (u = 0; u < width; u++) { + // if we ran out of buffers, copy several image columns at once + if (currentBuffer === 0) { + numBuffers = Math.min(width - u, numBuffers); + for (k = u, l = bufferPadding; l < ll; k += width, l++) { + for (b = 0; b < numBuffers; b++) { + colBuffers[b][l] = items[k + b]; + } + } + currentBuffer = numBuffers; + } + + currentBuffer--; + var buffer = colBuffers[currentBuffer]; + this.extend(buffer, bufferPadding, height); + this.filter(buffer, bufferPadding, height); + + // If this is last buffer in this group of buffers, flush all buffers. + if (currentBuffer === 0) { + k = u - numBuffers + 1; + for (l = bufferPadding; l < ll; k += width, l++) { + for (b = 0; b < numBuffers; b++) { + items[k + b] = colBuffers[b][l]; + } + } + } + } + } + + return { + width: width, + height: height, + items: items + }; + }; + return Transform; + })(); + + // Section 3.8.2 Irreversible 9-7 filter + var IrreversibleTransform = (function IrreversibleTransformClosure() { + function IrreversibleTransform() { + Transform.call(this); + } + + IrreversibleTransform.prototype = Object.create(Transform.prototype); + IrreversibleTransform.prototype.filter = + function irreversibleTransformFilter(x, offset, length) { + var len = length >> 1; + offset = offset | 0; + var j, n, current, next; + + var alpha = -1.586134342059924; + var beta = -0.052980118572961; + var gamma = 0.882911075530934; + var delta = 0.443506852043971; + var K = 1.230174104914001; + var K_ = 1 / K; + + // step 1 is combined with step 3 + + // step 2 + j = offset - 3; + for (n = len + 4; n--; j += 2) { + x[j] *= K_; + } + + // step 1 & 3 + j = offset - 2; + current = delta * x[j -1]; + for (n = len + 3; n--; j += 2) { + next = delta * x[j + 1]; + x[j] = K * x[j] - current - next; + if (n--) { + j += 2; + current = delta * x[j + 1]; + x[j] = K * x[j] - current - next; } else { break; } } - var value = parseFloat(strBuf.join('')); - if (isNaN(value)) { - error('Invalid floating point number: ' + value); + + // step 4 + j = offset - 1; + current = gamma * x[j - 1]; + for (n = len + 2; n--; j += 2) { + next = gamma * x[j + 1]; + x[j] -= current + next; + if (n--) { + j += 2; + current = gamma * x[j + 1]; + x[j] -= current + next; + } else { + break; + } } - return value; + + // step 5 + j = offset; + current = beta * x[j - 1]; + for (n = len + 1; n--; j += 2) { + next = beta * x[j + 1]; + x[j] -= current + next; + if (n--) { + j += 2; + current = beta * x[j + 1]; + x[j] -= current + next; + } else { + break; + } + } + + // step 6 + if (len !== 0) { + j = offset + 1; + current = alpha * x[j - 1]; + for (n = len; n--; j += 2) { + next = alpha * x[j + 1]; + x[j] -= current + next; + if (n--) { + j += 2; + current = alpha * x[j + 1]; + x[j] -= current + next; + } else { + break; + } + } + } + }; + + return IrreversibleTransform; + })(); + + // Section 3.8.1 Reversible 5-3 filter + var ReversibleTransform = (function ReversibleTransformClosure() { + function ReversibleTransform() { + Transform.call(this); } - }; - return PostScriptLexer; + + ReversibleTransform.prototype = Object.create(Transform.prototype); + ReversibleTransform.prototype.filter = + function reversibleTransformFilter(x, offset, length) { + var len = length >> 1; + offset = offset | 0; + var j, n; + + for (j = offset, n = len + 1; n--; j += 2) { + x[j] -= (x[j - 1] + x[j + 1] + 2) >> 2; + } + + for (j = offset + 1, n = len; n--; j += 2) { + x[j] += (x[j - 1] + x[j + 1]) >> 1; + } + }; + + return ReversibleTransform; + })(); + + return JpxImage; })(); +exports.JpxImage = JpxImage; +})); + + + +(function (root, factory) { + { + factory((root.pdfjsCoreMurmurHash3 = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var Uint32ArrayView = sharedUtil.Uint32ArrayView; + +var MurmurHash3_64 = (function MurmurHash3_64Closure (seed) { + // Workaround for missing math precison in JS. + var MASK_HIGH = 0xffff0000; + var MASK_LOW = 0xffff; + + function MurmurHash3_64 (seed) { + var SEED = 0xc3d2e1f0; + this.h1 = seed ? seed & 0xffffffff : SEED; + this.h2 = seed ? seed & 0xffffffff : SEED; + } + + var alwaysUseUint32ArrayView = false; + // old webkits have issues with non-aligned arrays + try { + new Uint32Array(new Uint8Array(5).buffer, 0, 1); + } catch (e) { + alwaysUseUint32ArrayView = true; + } + + MurmurHash3_64.prototype = { + update: function MurmurHash3_64_update(input) { + var useUint32ArrayView = alwaysUseUint32ArrayView; + var i; + if (typeof input === 'string') { + var data = new Uint8Array(input.length * 2); + var length = 0; + for (i = 0; i < input.length; i++) { + var code = input.charCodeAt(i); + if (code <= 0xff) { + data[length++] = code; + } + else { + data[length++] = code >>> 8; + data[length++] = code & 0xff; + } + } + } else if (input instanceof Uint8Array) { + data = input; + length = data.length; + } else if (typeof input === 'object' && ('length' in input)) { + // processing regular arrays as well, e.g. for IE9 + data = input; + length = data.length; + useUint32ArrayView = true; + } else { + throw new Error('Wrong data format in MurmurHash3_64_update. ' + + 'Input must be a string or array.'); + } + + var blockCounts = length >> 2; + var tailLength = length - blockCounts * 4; + // we don't care about endianness here + var dataUint32 = useUint32ArrayView ? + new Uint32ArrayView(data, blockCounts) : + new Uint32Array(data.buffer, 0, blockCounts); + var k1 = 0; + var k2 = 0; + var h1 = this.h1; + var h2 = this.h2; + var C1 = 0xcc9e2d51; + var C2 = 0x1b873593; + var C1_LOW = C1 & MASK_LOW; + var C2_LOW = C2 & MASK_LOW; + + for (i = 0; i < blockCounts; i++) { + if (i & 1) { + k1 = dataUint32[i]; + k1 = (k1 * C1 & MASK_HIGH) | (k1 * C1_LOW & MASK_LOW); + k1 = k1 << 15 | k1 >>> 17; + k1 = (k1 * C2 & MASK_HIGH) | (k1 * C2_LOW & MASK_LOW); + h1 ^= k1; + h1 = h1 << 13 | h1 >>> 19; + h1 = h1 * 5 + 0xe6546b64; + } else { + k2 = dataUint32[i]; + k2 = (k2 * C1 & MASK_HIGH) | (k2 * C1_LOW & MASK_LOW); + k2 = k2 << 15 | k2 >>> 17; + k2 = (k2 * C2 & MASK_HIGH) | (k2 * C2_LOW & MASK_LOW); + h2 ^= k2; + h2 = h2 << 13 | h2 >>> 19; + h2 = h2 * 5 + 0xe6546b64; + } + } + + k1 = 0; + + switch (tailLength) { + case 3: + k1 ^= data[blockCounts * 4 + 2] << 16; + /* falls through */ + case 2: + k1 ^= data[blockCounts * 4 + 1] << 8; + /* falls through */ + case 1: + k1 ^= data[blockCounts * 4]; + /* falls through */ + k1 = (k1 * C1 & MASK_HIGH) | (k1 * C1_LOW & MASK_LOW); + k1 = k1 << 15 | k1 >>> 17; + k1 = (k1 * C2 & MASK_HIGH) | (k1 * C2_LOW & MASK_LOW); + if (blockCounts & 1) { + h1 ^= k1; + } else { + h2 ^= k1; + } + } + + this.h1 = h1; + this.h2 = h2; + return this; + }, + + hexdigest: function MurmurHash3_64_hexdigest () { + var h1 = this.h1; + var h2 = this.h2; + + h1 ^= h2 >>> 1; + h1 = (h1 * 0xed558ccd & MASK_HIGH) | (h1 * 0x8ccd & MASK_LOW); + h2 = (h2 * 0xff51afd7 & MASK_HIGH) | + (((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16); + h1 ^= h2 >>> 1; + h1 = (h1 * 0x1a85ec53 & MASK_HIGH) | (h1 * 0xec53 & MASK_LOW); + h2 = (h2 * 0xc4ceb9fe & MASK_HIGH) | + (((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16); + h1 ^= h2 >>> 1; + + for (var i = 0, arr = [h1, h2], str = ''; i < arr.length; i++) { + var hex = (arr[i] >>> 0).toString(16); + while (hex.length < 8) { + hex = '0' + hex; + } + str += hex; + } + + return str; + } + }; + + return MurmurHash3_64; +})(); + +exports.MurmurHash3_64 = MurmurHash3_64; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCorePrimitives = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var isArray = sharedUtil.isArray; + +var Name = (function NameClosure() { + function Name(name) { + this.name = name; + } + + Name.prototype = {}; + + var nameCache = {}; + + Name.get = function Name_get(name) { + var nameValue = nameCache[name]; + return (nameValue ? nameValue : (nameCache[name] = new Name(name))); + }; + + return Name; +})(); + +var Cmd = (function CmdClosure() { + function Cmd(cmd) { + this.cmd = cmd; + } + + Cmd.prototype = {}; + + var cmdCache = {}; + + Cmd.get = function Cmd_get(cmd) { + var cmdValue = cmdCache[cmd]; + return (cmdValue ? cmdValue : (cmdCache[cmd] = new Cmd(cmd))); + }; + + return Cmd; +})(); + +var Dict = (function DictClosure() { + var nonSerializable = function nonSerializableClosure() { + return nonSerializable; // creating closure on some variable + }; + + var GETALL_DICTIONARY_TYPES_WHITELIST = { + 'Background': true, + 'ExtGState': true, + 'Halftone': true, + 'Layout': true, + 'Mask': true, + 'Pagination': true, + 'Printing': true + }; + + function isRecursionAllowedFor(dict) { + if (!isName(dict.Type)) { + return true; + } + var dictType = dict.Type.name; + return GETALL_DICTIONARY_TYPES_WHITELIST[dictType] === true; + } + + // xref is optional + function Dict(xref) { + // Map should only be used internally, use functions below to access. + this.map = Object.create(null); + this.xref = xref; + this.objId = null; + this.__nonSerializable__ = nonSerializable; // disable cloning of the Dict + } + + Dict.prototype = { + assignXref: function Dict_assignXref(newXref) { + this.xref = newXref; + }, + + // automatically dereferences Ref objects + get: function Dict_get(key1, key2, key3) { + var value; + var xref = this.xref; + if (typeof (value = this.map[key1]) !== 'undefined' || key1 in this.map || + typeof key2 === 'undefined') { + return xref ? xref.fetchIfRef(value) : value; + } + if (typeof (value = this.map[key2]) !== 'undefined' || key2 in this.map || + typeof key3 === 'undefined') { + return xref ? xref.fetchIfRef(value) : value; + } + value = this.map[key3] || null; + return xref ? xref.fetchIfRef(value) : value; + }, + + // Same as get(), but returns a promise and uses fetchIfRefAsync(). + getAsync: function Dict_getAsync(key1, key2, key3) { + var value; + var xref = this.xref; + if (typeof (value = this.map[key1]) !== 'undefined' || key1 in this.map || + typeof key2 === 'undefined') { + if (xref) { + return xref.fetchIfRefAsync(value); + } + return Promise.resolve(value); + } + if (typeof (value = this.map[key2]) !== 'undefined' || key2 in this.map || + typeof key3 === 'undefined') { + if (xref) { + return xref.fetchIfRefAsync(value); + } + return Promise.resolve(value); + } + value = this.map[key3] || null; + if (xref) { + return xref.fetchIfRefAsync(value); + } + return Promise.resolve(value); + }, + + // Same as get(), but dereferences all elements if the result is an Array. + getArray: function Dict_getArray(key1, key2, key3) { + var value = this.get(key1, key2, key3); + var xref = this.xref; + if (!isArray(value) || !xref) { + return value; + } + value = value.slice(); // Ensure that we don't modify the Dict data. + for (var i = 0, ii = value.length; i < ii; i++) { + if (!isRef(value[i])) { + continue; + } + value[i] = xref.fetch(value[i]); + } + return value; + }, + + // no dereferencing + getRaw: function Dict_getRaw(key) { + return this.map[key]; + }, + + // creates new map and dereferences all Refs + getAll: function Dict_getAll() { + var all = Object.create(null); + var queue = null; + var key, obj; + for (key in this.map) { + obj = this.get(key); + if (obj instanceof Dict) { + if (isRecursionAllowedFor(obj)) { + (queue || (queue = [])).push({target: all, key: key, obj: obj}); + } else { + all[key] = this.getRaw(key); + } + } else { + all[key] = obj; + } + } + if (!queue) { + return all; + } + + // trying to take cyclic references into the account + var processed = Object.create(null); + while (queue.length > 0) { + var item = queue.shift(); + var itemObj = item.obj; + var objId = itemObj.objId; + if (objId && objId in processed) { + item.target[item.key] = processed[objId]; + continue; + } + var dereferenced = Object.create(null); + for (key in itemObj.map) { + obj = itemObj.get(key); + if (obj instanceof Dict) { + if (isRecursionAllowedFor(obj)) { + queue.push({target: dereferenced, key: key, obj: obj}); + } else { + dereferenced[key] = itemObj.getRaw(key); + } + } else { + dereferenced[key] = obj; + } + } + if (objId) { + processed[objId] = dereferenced; + } + item.target[item.key] = dereferenced; + } + return all; + }, + + getKeys: function Dict_getKeys() { + return Object.keys(this.map); + }, + + set: function Dict_set(key, value) { + this.map[key] = value; + }, + + has: function Dict_has(key) { + return key in this.map; + }, + + forEach: function Dict_forEach(callback) { + for (var key in this.map) { + callback(key, this.get(key)); + } + } + }; + + Dict.empty = new Dict(null); + + Dict.merge = function Dict_merge(xref, dictArray) { + var mergedDict = new Dict(xref); + + for (var i = 0, ii = dictArray.length; i < ii; i++) { + var dict = dictArray[i]; + if (!isDict(dict)) { + continue; + } + for (var keyName in dict.map) { + if (mergedDict.map[keyName]) { + continue; + } + mergedDict.map[keyName] = dict.map[keyName]; + } + } + return mergedDict; + }; + + return Dict; +})(); + +var Ref = (function RefClosure() { + function Ref(num, gen) { + this.num = num; + this.gen = gen; + } + + Ref.prototype = { + toString: function Ref_toString() { + // This function is hot, so we make the string as compact as possible. + // |this.gen| is almost always zero, so we treat that case specially. + var str = this.num + 'R'; + if (this.gen !== 0) { + str += this.gen; + } + return str; + } + }; + + return Ref; +})(); + +// The reference is identified by number and generation. +// This structure stores only one instance of the reference. +var RefSet = (function RefSetClosure() { + function RefSet() { + this.dict = {}; + } + + RefSet.prototype = { + has: function RefSet_has(ref) { + return ref.toString() in this.dict; + }, + + put: function RefSet_put(ref) { + this.dict[ref.toString()] = true; + }, + + remove: function RefSet_remove(ref) { + delete this.dict[ref.toString()]; + } + }; + + return RefSet; +})(); + +var RefSetCache = (function RefSetCacheClosure() { + function RefSetCache() { + this.dict = Object.create(null); + } + + RefSetCache.prototype = { + get: function RefSetCache_get(ref) { + return this.dict[ref.toString()]; + }, + + has: function RefSetCache_has(ref) { + return ref.toString() in this.dict; + }, + + put: function RefSetCache_put(ref, obj) { + this.dict[ref.toString()] = obj; + }, + + putAlias: function RefSetCache_putAlias(ref, aliasRef) { + this.dict[ref.toString()] = this.get(aliasRef); + }, + + forEach: function RefSetCache_forEach(fn, thisArg) { + for (var i in this.dict) { + fn.call(thisArg, this.dict[i]); + } + }, + + clear: function RefSetCache_clear() { + this.dict = Object.create(null); + } + }; + + return RefSetCache; +})(); + +function isName(v) { + return v instanceof Name; +} + +function isCmd(v, cmd) { + return v instanceof Cmd && (cmd === undefined || v.cmd === cmd); +} + +function isDict(v, type) { + if (!(v instanceof Dict)) { + return false; + } + if (!type) { + return true; + } + var dictType = v.get('Type'); + return isName(dictType) && dictType.name === type; +} + +function isRef(v) { + return v instanceof Ref; +} + +function isStream(v) { + return typeof v === 'object' && v !== null && v.getBytes !== undefined; +} + +exports.Cmd = Cmd; +exports.Dict = Dict; +exports.Name = Name; +exports.Ref = Ref; +exports.RefSet = RefSet; +exports.RefSetCache = RefSetCache; +exports.isCmd = isCmd; +exports.isDict = isDict; +exports.isName = isName; +exports.isRef = isRef; +exports.isStream = isStream; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreStream = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreJbig2, root.pdfjsCoreJpg, + root.pdfjsCoreJpx); + } +}(this, function (exports, sharedUtil, corePrimitives, coreJbig2, coreJpg, + coreJpx) { + +var Util = sharedUtil.Util; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var shadow = sharedUtil.shadow; +var warn = sharedUtil.warn; +var Dict = corePrimitives.Dict; +var Jbig2Image = coreJbig2.Jbig2Image; +var JpegImage = coreJpg.JpegImage; +var JpxImage = coreJpx.JpxImage; + +var coreParser; // see _setCoreParser below +var EOF; // = coreParser.EOF; +var Lexer; // = coreParser.Lexer; + +var coreColorSpace; // see _setCoreColorSpace below +var ColorSpace; // = coreColorSpace.ColorSpace; var Stream = (function StreamClosure() { function Stream(arrayBuffer, start, length, dict) { @@ -31047,6 +15502,9 @@ var Stream = (function StreamClosure() { getUint16: function Stream_getUint16() { var b0 = this.getByte(); var b1 = this.getByte(); + if (b0 === -1 || b1 === -1) { + return -1; + } return (b0 << 8) + b1; }, getInt32: function Stream_getInt32() { @@ -31174,6 +15632,9 @@ var DecodeStream = (function DecodeStreamClosure() { getUint16: function DecodeStream_getUint16() { var b0 = this.getByte(); var b1 = this.getByte(); + if (b0 === -1 || b1 === -1) { + return -1; + } return (b0 << 8) + b1; }, getInt32: function DecodeStream_getInt32() { @@ -31286,25 +15747,25 @@ var StreamsSequenceStream = (function StreamsSequenceStreamClosure() { })(); var FlateStream = (function FlateStreamClosure() { - var codeLenCodeMap = new Uint32Array([ + var codeLenCodeMap = new Int32Array([ 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 ]); - var lengthDecode = new Uint32Array([ + var lengthDecode = new Int32Array([ 0x00003, 0x00004, 0x00005, 0x00006, 0x00007, 0x00008, 0x00009, 0x0000a, 0x1000b, 0x1000d, 0x1000f, 0x10011, 0x20013, 0x20017, 0x2001b, 0x2001f, 0x30023, 0x3002b, 0x30033, 0x3003b, 0x40043, 0x40053, 0x40063, 0x40073, 0x50083, 0x500a3, 0x500c3, 0x500e3, 0x00102, 0x00102, 0x00102 ]); - var distDecode = new Uint32Array([ + var distDecode = new Int32Array([ 0x00001, 0x00002, 0x00003, 0x00004, 0x10005, 0x10007, 0x20009, 0x2000d, 0x30011, 0x30019, 0x40021, 0x40031, 0x50041, 0x50061, 0x60081, 0x600c1, 0x70101, 0x70181, 0x80201, 0x80301, 0x90401, 0x90601, 0xa0801, 0xa0c01, 0xb1001, 0xb1801, 0xc2001, 0xc3001, 0xd4001, 0xd6001 ]); - var fixedLitCodeTab = [new Uint32Array([ + var fixedLitCodeTab = [new Int32Array([ 0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c0, 0x70108, 0x80060, 0x80020, 0x900a0, 0x80000, 0x80080, 0x80040, 0x900e0, 0x70104, 0x80058, 0x80018, 0x90090, 0x70114, 0x80078, 0x80038, 0x900d0, @@ -31371,7 +15832,7 @@ var FlateStream = (function FlateStreamClosure() { 0x7010f, 0x8006f, 0x8002f, 0x900bf, 0x8000f, 0x8008f, 0x8004f, 0x900ff ]), 9]; - var fixedDistCodeTab = [new Uint32Array([ + var fixedDistCodeTab = [new Int32Array([ 0x50000, 0x50010, 0x50008, 0x50018, 0x50004, 0x50014, 0x5000c, 0x5001c, 0x50002, 0x50012, 0x5000a, 0x5001a, 0x50006, 0x50016, 0x5000e, 0x00000, 0x50001, 0x50011, 0x50009, 0x50019, 0x50005, 0x50015, 0x5000d, 0x5001d, @@ -31468,7 +15929,7 @@ var FlateStream = (function FlateStreamClosure() { // build the table var size = 1 << maxLen; - var codes = new Uint32Array(size); + var codes = new Int32Array(size); for (var len = 1, code = 0, skip = 2; len <= maxLen; ++len, code <<= 1, skip <<= 1) { @@ -31857,8 +16318,15 @@ var PredictorStream = (function PredictorStreamClosure() { */ var JpegStream = (function JpegStreamClosure() { function JpegStream(stream, maybeLength, dict, xref) { - // TODO: per poppler, some images may have 'junk' before that - // need to be removed + // Some images may contain 'junk' before the SOI (start-of-image) marker. + // Note: this seems to mainly affect inline images. + var ch; + while ((ch = stream.getByte()) !== -1) { + if (ch === 0xFF) { // Find the first byte of the SOI marker (0xFFD8). + stream.skip(-1); // Reset the stream position to the SOI. + break; + } + } this.stream = stream; this.maybeLength = maybeLength; this.dict = dict; @@ -31929,7 +16397,8 @@ var JpegStream = (function JpegStreamClosure() { JpegStream.prototype.isNativelySupported = function JpegStream_isNativelySupported(xref, res) { var cs = ColorSpace.parse(this.dict.get('ColorSpace', 'CS'), xref, res); - return cs.name === 'DeviceGray' || cs.name === 'DeviceRGB'; + return (cs.name === 'DeviceGray' || cs.name === 'DeviceRGB') && + cs.isDefaultDecode(this.dict.get('Decode', 'D')); }; /** * Checks if the image can be decoded by the browser. @@ -31937,8 +16406,8 @@ var JpegStream = (function JpegStreamClosure() { JpegStream.prototype.isNativelyDecodable = function JpegStream_isNativelyDecodable(xref, res) { var cs = ColorSpace.parse(this.dict.get('ColorSpace', 'CS'), xref, res); - var numComps = cs.numComps; - return numComps === 1 || numComps === 3; + return (cs.numComps === 1 || cs.numComps === 3) && + cs.isDefaultDecode(this.dict.get('Decode', 'D')); }; return JpegStream; @@ -33031,9 +17500,13 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() { var gotEOL = false; + if (this.byteAlign) { + this.inputBits &= ~7; + } + if (!this.eoblock && this.row === this.rows - 1) { this.eof = true; - } else if (this.eoline || !this.byteAlign) { + } else { code1 = this.lookBits(12); if (this.eoline) { while (code1 !== EOF && code1 !== 1) { @@ -33054,10 +17527,6 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() { } } - if (this.byteAlign && !gotEOL) { - this.inputBits &= ~7; - } - if (!this.eof && this.encoding > 0) { this.nextLine2D = !this.lookBits(1); this.eatBits(1); @@ -33453,10 +17922,22660 @@ var NullStream = (function NullStreamClosure() { return NullStream; })(); +// TODO refactor to remove dependency on parser.js +function _setCoreParser(coreParser_) { + coreParser = coreParser_; + EOF = coreParser_.EOF; + Lexer = coreParser_.Lexer; +} +exports._setCoreParser = _setCoreParser; + +// TODO refactor to remove dependency on colorspace.js +function _setCoreColorSpace(coreColorSpace_) { + coreColorSpace = coreColorSpace_; + ColorSpace = coreColorSpace_.ColorSpace; +} +exports._setCoreColorSpace = _setCoreColorSpace; + +exports.Ascii85Stream = Ascii85Stream; +exports.AsciiHexStream = AsciiHexStream; +exports.CCITTFaxStream = CCITTFaxStream; +exports.DecryptStream = DecryptStream; +exports.DecodeStream = DecodeStream; +exports.FlateStream = FlateStream; +exports.Jbig2Stream = Jbig2Stream; +exports.JpegStream = JpegStream; +exports.JpxStream = JpxStream; +exports.NullStream = NullStream; +exports.PredictorStream = PredictorStream; +exports.RunLengthStream = RunLengthStream; +exports.Stream = Stream; +exports.StreamsSequenceStream = StreamsSequenceStream; +exports.StringStream = StringStream; +exports.LZWStream = LZWStream; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreCrypto = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream) { + +var PasswordException = sharedUtil.PasswordException; +var PasswordResponses = sharedUtil.PasswordResponses; +var bytesToString = sharedUtil.bytesToString; +var error = sharedUtil.error; +var isInt = sharedUtil.isInt; +var stringToBytes = sharedUtil.stringToBytes; +var utf8StringToString = sharedUtil.utf8StringToString; +var warn = sharedUtil.warn; +var Name = corePrimitives.Name; +var isName = corePrimitives.isName; +var isDict = corePrimitives.isDict; +var DecryptStream = coreStream.DecryptStream; + +var ARCFourCipher = (function ARCFourCipherClosure() { + function ARCFourCipher(key) { + this.a = 0; + this.b = 0; + var s = new Uint8Array(256); + var i, j = 0, tmp, keyLength = key.length; + for (i = 0; i < 256; ++i) { + s[i] = i; + } + for (i = 0; i < 256; ++i) { + tmp = s[i]; + j = (j + tmp + key[i % keyLength]) & 0xFF; + s[i] = s[j]; + s[j] = tmp; + } + this.s = s; + } + + ARCFourCipher.prototype = { + encryptBlock: function ARCFourCipher_encryptBlock(data) { + var i, n = data.length, tmp, tmp2; + var a = this.a, b = this.b, s = this.s; + var output = new Uint8Array(n); + for (i = 0; i < n; ++i) { + a = (a + 1) & 0xFF; + tmp = s[a]; + b = (b + tmp) & 0xFF; + tmp2 = s[b]; + s[a] = tmp2; + s[b] = tmp; + output[i] = data[i] ^ s[(tmp + tmp2) & 0xFF]; + } + this.a = a; + this.b = b; + return output; + } + }; + ARCFourCipher.prototype.decryptBlock = ARCFourCipher.prototype.encryptBlock; + + return ARCFourCipher; +})(); + +var calculateMD5 = (function calculateMD5Closure() { + var r = new Uint8Array([ + 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, + 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, + 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, + 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21]); + + var k = new Int32Array([ + -680876936, -389564586, 606105819, -1044525330, -176418897, 1200080426, + -1473231341, -45705983, 1770035416, -1958414417, -42063, -1990404162, + 1804603682, -40341101, -1502002290, 1236535329, -165796510, -1069501632, + 643717713, -373897302, -701558691, 38016083, -660478335, -405537848, + 568446438, -1019803690, -187363961, 1163531501, -1444681467, -51403784, + 1735328473, -1926607734, -378558, -2022574463, 1839030562, -35309556, + -1530992060, 1272893353, -155497632, -1094730640, 681279174, -358537222, + -722521979, 76029189, -640364487, -421815835, 530742520, -995338651, + -198630844, 1126891415, -1416354905, -57434055, 1700485571, -1894986606, + -1051523, -2054922799, 1873313359, -30611744, -1560198380, 1309151649, + -145523070, -1120210379, 718787259, -343485551]); + + function hash(data, offset, length) { + var h0 = 1732584193, h1 = -271733879, h2 = -1732584194, h3 = 271733878; + // pre-processing + var paddedLength = (length + 72) & ~63; // data + 9 extra bytes + var padded = new Uint8Array(paddedLength); + var i, j, n; + for (i = 0; i < length; ++i) { + padded[i] = data[offset++]; + } + padded[i++] = 0x80; + n = paddedLength - 8; + while (i < n) { + padded[i++] = 0; + } + padded[i++] = (length << 3) & 0xFF; + padded[i++] = (length >> 5) & 0xFF; + padded[i++] = (length >> 13) & 0xFF; + padded[i++] = (length >> 21) & 0xFF; + padded[i++] = (length >>> 29) & 0xFF; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + var w = new Int32Array(16); + for (i = 0; i < paddedLength;) { + for (j = 0; j < 16; ++j, i += 4) { + w[j] = (padded[i] | (padded[i + 1] << 8) | + (padded[i + 2] << 16) | (padded[i + 3] << 24)); + } + var a = h0, b = h1, c = h2, d = h3, f, g; + for (j = 0; j < 64; ++j) { + if (j < 16) { + f = (b & c) | ((~b) & d); + g = j; + } else if (j < 32) { + f = (d & b) | ((~d) & c); + g = (5 * j + 1) & 15; + } else if (j < 48) { + f = b ^ c ^ d; + g = (3 * j + 5) & 15; + } else { + f = c ^ (b | (~d)); + g = (7 * j) & 15; + } + var tmp = d, rotateArg = (a + f + k[j] + w[g]) | 0, rotate = r[j]; + d = c; + c = b; + b = (b + ((rotateArg << rotate) | (rotateArg >>> (32 - rotate)))) | 0; + a = tmp; + } + h0 = (h0 + a) | 0; + h1 = (h1 + b) | 0; + h2 = (h2 + c) | 0; + h3 = (h3 + d) | 0; + } + return new Uint8Array([ + h0 & 0xFF, (h0 >> 8) & 0xFF, (h0 >> 16) & 0xFF, (h0 >>> 24) & 0xFF, + h1 & 0xFF, (h1 >> 8) & 0xFF, (h1 >> 16) & 0xFF, (h1 >>> 24) & 0xFF, + h2 & 0xFF, (h2 >> 8) & 0xFF, (h2 >> 16) & 0xFF, (h2 >>> 24) & 0xFF, + h3 & 0xFF, (h3 >> 8) & 0xFF, (h3 >> 16) & 0xFF, (h3 >>> 24) & 0xFF + ]); + } + + return hash; +})(); +var Word64 = (function Word64Closure() { + function Word64(highInteger, lowInteger) { + this.high = highInteger | 0; + this.low = lowInteger | 0; + } + Word64.prototype = { + and: function Word64_and(word) { + this.high &= word.high; + this.low &= word.low; + }, + xor: function Word64_xor(word) { + this.high ^= word.high; + this.low ^= word.low; + }, + + or: function Word64_or(word) { + this.high |= word.high; + this.low |= word.low; + }, + + shiftRight: function Word64_shiftRight(places) { + if (places >= 32) { + this.low = (this.high >>> (places - 32)) | 0; + this.high = 0; + } else { + this.low = (this.low >>> places) | (this.high << (32 - places)); + this.high = (this.high >>> places) | 0; + } + }, + + shiftLeft: function Word64_shiftLeft(places) { + if (places >= 32) { + this.high = this.low << (places - 32); + this.low = 0; + } else { + this.high = (this.high << places) | (this.low >>> (32 - places)); + this.low = this.low << places; + } + }, + + rotateRight: function Word64_rotateRight(places) { + var low, high; + if (places & 32) { + high = this.low; + low = this.high; + } else { + low = this.low; + high = this.high; + } + places &= 31; + this.low = (low >>> places) | (high << (32 - places)); + this.high = (high >>> places) | (low << (32 - places)); + }, + + not: function Word64_not() { + this.high = ~this.high; + this.low = ~this.low; + }, + + add: function Word64_add(word) { + var lowAdd = (this.low >>> 0) + (word.low >>> 0); + var highAdd = (this.high >>> 0) + (word.high >>> 0); + if (lowAdd > 0xFFFFFFFF) { + highAdd += 1; + } + this.low = lowAdd | 0; + this.high = highAdd | 0; + }, + + copyTo: function Word64_copyTo(bytes, offset) { + bytes[offset] = (this.high >>> 24) & 0xFF; + bytes[offset + 1] = (this.high >> 16) & 0xFF; + bytes[offset + 2] = (this.high >> 8) & 0xFF; + bytes[offset + 3] = this.high & 0xFF; + bytes[offset + 4] = (this.low >>> 24) & 0xFF; + bytes[offset + 5] = (this.low >> 16) & 0xFF; + bytes[offset + 6] = (this.low >> 8) & 0xFF; + bytes[offset + 7] = this.low & 0xFF; + }, + + assign: function Word64_assign(word) { + this.high = word.high; + this.low = word.low; + } + }; + return Word64; +})(); + +var calculateSHA256 = (function calculateSHA256Closure() { + function rotr(x, n) { + return (x >>> n) | (x << 32 - n); + } + + function ch(x, y, z) { + return (x & y) ^ (~x & z); + } + + function maj(x, y, z) { + return (x & y) ^ (x & z) ^ (y & z); + } + + function sigma(x) { + return rotr(x, 2) ^ rotr(x, 13) ^ rotr(x, 22); + } + + function sigmaPrime(x) { + return rotr(x, 6) ^ rotr(x, 11) ^ rotr(x, 25); + } + + function littleSigma(x) { + return rotr(x, 7) ^ rotr(x, 18) ^ x >>> 3; + } + + function littleSigmaPrime(x) { + return rotr(x, 17) ^ rotr(x, 19) ^ x >>> 10; + } + + var k = [0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, + 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, + 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, + 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, + 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, + 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, + 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, + 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, + 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2]; + + function hash(data, offset, length) { + // initial hash values + var h0 = 0x6a09e667, h1 = 0xbb67ae85, h2 = 0x3c6ef372, + h3 = 0xa54ff53a, h4 = 0x510e527f, h5 = 0x9b05688c, + h6 = 0x1f83d9ab, h7 = 0x5be0cd19; + // pre-processing + var paddedLength = Math.ceil((length + 9) / 64) * 64; + var padded = new Uint8Array(paddedLength); + var i, j, n; + for (i = 0; i < length; ++i) { + padded[i] = data[offset++]; + } + padded[i++] = 0x80; + n = paddedLength - 8; + while (i < n) { + padded[i++] = 0; + } + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = (length >>> 29) & 0xFF; + padded[i++] = (length >> 21) & 0xFF; + padded[i++] = (length >> 13) & 0xFF; + padded[i++] = (length >> 5) & 0xFF; + padded[i++] = (length << 3) & 0xFF; + var w = new Uint32Array(64); + // for each 512 bit block + for (i = 0; i < paddedLength;) { + for (j = 0; j < 16; ++j) { + w[j] = (padded[i] << 24 | (padded[i + 1] << 16) | + (padded[i + 2] << 8) | (padded[i + 3])); + i += 4; + } + + for (j = 16; j < 64; ++j) { + w[j] = littleSigmaPrime(w[j - 2]) + w[j - 7] + + littleSigma(w[j - 15]) + w[j - 16] | 0; + } + var a = h0, b = h1, c = h2, d = h3, e = h4, + f = h5, g = h6, h = h7, t1, t2; + for (j = 0; j < 64; ++j) { + t1 = h + sigmaPrime(e) + ch(e, f, g) + k[j] + w[j]; + t2 = sigma(a) + maj(a, b, c); + h = g; + g = f; + f = e; + e = (d + t1) | 0; + d = c; + c = b; + b = a; + a = (t1 + t2) | 0; + } + h0 = (h0 + a) | 0; + h1 = (h1 + b) | 0; + h2 = (h2 + c) | 0; + h3 = (h3 + d) | 0; + h4 = (h4 + e) | 0; + h5 = (h5 + f) | 0; + h6 = (h6 + g) | 0; + h7 = (h7 + h) | 0; + } + return new Uint8Array([ + (h0 >> 24) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 8) & 0xFF, (h0) & 0xFF, + (h1 >> 24) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 8) & 0xFF, (h1) & 0xFF, + (h2 >> 24) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 8) & 0xFF, (h2) & 0xFF, + (h3 >> 24) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 8) & 0xFF, (h3) & 0xFF, + (h4 >> 24) & 0xFF, (h4 >> 16) & 0xFF, (h4 >> 8) & 0xFF, (h4) & 0xFF, + (h5 >> 24) & 0xFF, (h5 >> 16) & 0xFF, (h5 >> 8) & 0xFF, (h5) & 0xFF, + (h6 >> 24) & 0xFF, (h6 >> 16) & 0xFF, (h6 >> 8) & 0xFF, (h6) & 0xFF, + (h7 >> 24) & 0xFF, (h7 >> 16) & 0xFF, (h7 >> 8) & 0xFF, (h7) & 0xFF + ]); + } + + return hash; +})(); + +var calculateSHA512 = (function calculateSHA512Closure() { + function ch(result, x, y, z, tmp) { + result.assign(x); + result.and(y); + tmp.assign(x); + tmp.not(); + tmp.and(z); + result.xor(tmp); + } + + function maj(result, x, y, z, tmp) { + result.assign(x); + result.and(y); + tmp.assign(x); + tmp.and(z); + result.xor(tmp); + tmp.assign(y); + tmp.and(z); + result.xor(tmp); + } + + function sigma(result, x, tmp) { + result.assign(x); + result.rotateRight(28); + tmp.assign(x); + tmp.rotateRight(34); + result.xor(tmp); + tmp.assign(x); + tmp.rotateRight(39); + result.xor(tmp); + } + + function sigmaPrime(result, x, tmp) { + result.assign(x); + result.rotateRight(14); + tmp.assign(x); + tmp.rotateRight(18); + result.xor(tmp); + tmp.assign(x); + tmp.rotateRight(41); + result.xor(tmp); + } + + function littleSigma(result, x, tmp) { + result.assign(x); + result.rotateRight(1); + tmp.assign(x); + tmp.rotateRight(8); + result.xor(tmp); + tmp.assign(x); + tmp.shiftRight(7); + result.xor(tmp); + } + + function littleSigmaPrime(result, x, tmp) { + result.assign(x); + result.rotateRight(19); + tmp.assign(x); + tmp.rotateRight(61); + result.xor(tmp); + tmp.assign(x); + tmp.shiftRight(6); + result.xor(tmp); + } + + var k = [ + new Word64(0x428a2f98, 0xd728ae22), new Word64(0x71374491, 0x23ef65cd), + new Word64(0xb5c0fbcf, 0xec4d3b2f), new Word64(0xe9b5dba5, 0x8189dbbc), + new Word64(0x3956c25b, 0xf348b538), new Word64(0x59f111f1, 0xb605d019), + new Word64(0x923f82a4, 0xaf194f9b), new Word64(0xab1c5ed5, 0xda6d8118), + new Word64(0xd807aa98, 0xa3030242), new Word64(0x12835b01, 0x45706fbe), + new Word64(0x243185be, 0x4ee4b28c), new Word64(0x550c7dc3, 0xd5ffb4e2), + new Word64(0x72be5d74, 0xf27b896f), new Word64(0x80deb1fe, 0x3b1696b1), + new Word64(0x9bdc06a7, 0x25c71235), new Word64(0xc19bf174, 0xcf692694), + new Word64(0xe49b69c1, 0x9ef14ad2), new Word64(0xefbe4786, 0x384f25e3), + new Word64(0x0fc19dc6, 0x8b8cd5b5), new Word64(0x240ca1cc, 0x77ac9c65), + new Word64(0x2de92c6f, 0x592b0275), new Word64(0x4a7484aa, 0x6ea6e483), + new Word64(0x5cb0a9dc, 0xbd41fbd4), new Word64(0x76f988da, 0x831153b5), + new Word64(0x983e5152, 0xee66dfab), new Word64(0xa831c66d, 0x2db43210), + new Word64(0xb00327c8, 0x98fb213f), new Word64(0xbf597fc7, 0xbeef0ee4), + new Word64(0xc6e00bf3, 0x3da88fc2), new Word64(0xd5a79147, 0x930aa725), + new Word64(0x06ca6351, 0xe003826f), new Word64(0x14292967, 0x0a0e6e70), + new Word64(0x27b70a85, 0x46d22ffc), new Word64(0x2e1b2138, 0x5c26c926), + new Word64(0x4d2c6dfc, 0x5ac42aed), new Word64(0x53380d13, 0x9d95b3df), + new Word64(0x650a7354, 0x8baf63de), new Word64(0x766a0abb, 0x3c77b2a8), + new Word64(0x81c2c92e, 0x47edaee6), new Word64(0x92722c85, 0x1482353b), + new Word64(0xa2bfe8a1, 0x4cf10364), new Word64(0xa81a664b, 0xbc423001), + new Word64(0xc24b8b70, 0xd0f89791), new Word64(0xc76c51a3, 0x0654be30), + new Word64(0xd192e819, 0xd6ef5218), new Word64(0xd6990624, 0x5565a910), + new Word64(0xf40e3585, 0x5771202a), new Word64(0x106aa070, 0x32bbd1b8), + new Word64(0x19a4c116, 0xb8d2d0c8), new Word64(0x1e376c08, 0x5141ab53), + new Word64(0x2748774c, 0xdf8eeb99), new Word64(0x34b0bcb5, 0xe19b48a8), + new Word64(0x391c0cb3, 0xc5c95a63), new Word64(0x4ed8aa4a, 0xe3418acb), + new Word64(0x5b9cca4f, 0x7763e373), new Word64(0x682e6ff3, 0xd6b2b8a3), + new Word64(0x748f82ee, 0x5defb2fc), new Word64(0x78a5636f, 0x43172f60), + new Word64(0x84c87814, 0xa1f0ab72), new Word64(0x8cc70208, 0x1a6439ec), + new Word64(0x90befffa, 0x23631e28), new Word64(0xa4506ceb, 0xde82bde9), + new Word64(0xbef9a3f7, 0xb2c67915), new Word64(0xc67178f2, 0xe372532b), + new Word64(0xca273ece, 0xea26619c), new Word64(0xd186b8c7, 0x21c0c207), + new Word64(0xeada7dd6, 0xcde0eb1e), new Word64(0xf57d4f7f, 0xee6ed178), + new Word64(0x06f067aa, 0x72176fba), new Word64(0x0a637dc5, 0xa2c898a6), + new Word64(0x113f9804, 0xbef90dae), new Word64(0x1b710b35, 0x131c471b), + new Word64(0x28db77f5, 0x23047d84), new Word64(0x32caab7b, 0x40c72493), + new Word64(0x3c9ebe0a, 0x15c9bebc), new Word64(0x431d67c4, 0x9c100d4c), + new Word64(0x4cc5d4be, 0xcb3e42b6), new Word64(0x597f299c, 0xfc657e2a), + new Word64(0x5fcb6fab, 0x3ad6faec), new Word64(0x6c44198c, 0x4a475817)]; + + function hash(data, offset, length, mode384) { + mode384 = !!mode384; + // initial hash values + var h0, h1, h2, h3, h4, h5, h6, h7; + if (!mode384) { + h0 = new Word64(0x6a09e667, 0xf3bcc908); + h1 = new Word64(0xbb67ae85, 0x84caa73b); + h2 = new Word64(0x3c6ef372, 0xfe94f82b); + h3 = new Word64(0xa54ff53a, 0x5f1d36f1); + h4 = new Word64(0x510e527f, 0xade682d1); + h5 = new Word64(0x9b05688c, 0x2b3e6c1f); + h6 = new Word64(0x1f83d9ab, 0xfb41bd6b); + h7 = new Word64(0x5be0cd19, 0x137e2179); + } + else { + // SHA384 is exactly the same + // except with different starting values and a trimmed result + h0 = new Word64(0xcbbb9d5d, 0xc1059ed8); + h1 = new Word64(0x629a292a, 0x367cd507); + h2 = new Word64(0x9159015a, 0x3070dd17); + h3 = new Word64(0x152fecd8, 0xf70e5939); + h4 = new Word64(0x67332667, 0xffc00b31); + h5 = new Word64(0x8eb44a87, 0x68581511); + h6 = new Word64(0xdb0c2e0d, 0x64f98fa7); + h7 = new Word64(0x47b5481d, 0xbefa4fa4); + } + + // pre-processing + var paddedLength = Math.ceil((length + 17) / 128) * 128; + var padded = new Uint8Array(paddedLength); + var i, j, n; + for (i = 0; i < length; ++i) { + padded[i] = data[offset++]; + } + padded[i++] = 0x80; + n = paddedLength - 16; + while (i < n) { + padded[i++] = 0; + } + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = (length >>> 29) & 0xFF; + padded[i++] = (length >> 21) & 0xFF; + padded[i++] = (length >> 13) & 0xFF; + padded[i++] = (length >> 5) & 0xFF; + padded[i++] = (length << 3) & 0xFF; + + var w = new Array(80); + for (i = 0; i < 80; i++) { + w[i] = new Word64(0, 0); + } + var a = new Word64(0, 0), b = new Word64(0, 0), c = new Word64(0, 0); + var d = new Word64(0, 0), e = new Word64(0, 0), f = new Word64(0, 0); + var g = new Word64(0, 0), h = new Word64(0, 0); + var t1 = new Word64(0, 0), t2 = new Word64(0, 0); + var tmp1 = new Word64(0, 0), tmp2 = new Word64(0, 0), tmp3; + + // for each 1024 bit block + for (i = 0; i < paddedLength;) { + for (j = 0; j < 16; ++j) { + w[j].high = (padded[i] << 24) | (padded[i + 1] << 16) | + (padded[i + 2] << 8) | (padded[i + 3]); + w[j].low = (padded[i + 4]) << 24 | (padded[i + 5]) << 16 | + (padded[i + 6]) << 8 | (padded[i + 7]); + i += 8; + } + for (j = 16; j < 80; ++j) { + tmp3 = w[j]; + littleSigmaPrime(tmp3, w[j - 2], tmp2); + tmp3.add(w[j - 7]); + littleSigma(tmp1, w[j - 15], tmp2); + tmp3.add(tmp1); + tmp3.add(w[j - 16]); + } + + a.assign(h0); b.assign(h1); c.assign(h2); d.assign(h3); + e.assign(h4); f.assign(h5); g.assign(h6); h.assign(h7); + for (j = 0; j < 80; ++j) { + t1.assign(h); + sigmaPrime(tmp1, e, tmp2); + t1.add(tmp1); + ch(tmp1, e, f, g, tmp2); + t1.add(tmp1); + t1.add(k[j]); + t1.add(w[j]); + + sigma(t2, a, tmp2); + maj(tmp1, a, b, c, tmp2); + t2.add(tmp1); + + tmp3 = h; + h = g; + g = f; + f = e; + d.add(t1); + e = d; + d = c; + c = b; + b = a; + tmp3.assign(t1); + tmp3.add(t2); + a = tmp3; + } + h0.add(a); + h1.add(b); + h2.add(c); + h3.add(d); + h4.add(e); + h5.add(f); + h6.add(g); + h7.add(h); + } + + var result; + if (!mode384) { + result = new Uint8Array(64); + h0.copyTo(result,0); + h1.copyTo(result,8); + h2.copyTo(result,16); + h3.copyTo(result,24); + h4.copyTo(result,32); + h5.copyTo(result,40); + h6.copyTo(result,48); + h7.copyTo(result,56); + } + else { + result = new Uint8Array(48); + h0.copyTo(result,0); + h1.copyTo(result,8); + h2.copyTo(result,16); + h3.copyTo(result,24); + h4.copyTo(result,32); + h5.copyTo(result,40); + } + return result; + } + + return hash; +})(); +var calculateSHA384 = (function calculateSHA384Closure() { + function hash(data, offset, length) { + return calculateSHA512(data, offset, length, true); + } + + return hash; +})(); +var NullCipher = (function NullCipherClosure() { + function NullCipher() { + } + + NullCipher.prototype = { + decryptBlock: function NullCipher_decryptBlock(data) { + return data; + } + }; + + return NullCipher; +})(); + +var AES128Cipher = (function AES128CipherClosure() { + var rcon = new Uint8Array([ + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, + 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, + 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, + 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, + 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, + 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, + 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, + 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, + 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, + 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, + 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, + 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, + 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d]); + + var s = new Uint8Array([ + 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, + 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, + 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, + 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, + 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, + 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, + 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, + 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, + 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, + 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, + 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, + 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, + 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, + 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, + 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, + 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, + 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, + 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, + 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, + 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, + 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, + 0xb0, 0x54, 0xbb, 0x16]); + + var inv_s = new Uint8Array([ + 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, + 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, + 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, + 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, + 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, + 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, + 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, + 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, + 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, + 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, + 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, + 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, + 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, + 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, + 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, + 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, + 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, + 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, + 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, + 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, + 0x55, 0x21, 0x0c, 0x7d]); + var mixCol = new Uint8Array(256); + for (var i = 0; i < 256; i++) { + if (i < 128) { + mixCol[i] = i << 1; + } else { + mixCol[i] = (i << 1) ^ 0x1b; + } + } + var mix = new Uint32Array([ + 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, + 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, + 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, + 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, + 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, + 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, + 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, + 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, + 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, + 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, + 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, + 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, + 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, + 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, + 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, + 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, + 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, + 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, + 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, + 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, + 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, + 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, + 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, + 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, + 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, + 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, + 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, + 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, + 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, + 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, + 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, + 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, + 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, + 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, + 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, + 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, + 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, + 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, + 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, + 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, + 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, + 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, + 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]); + + function expandKey128(cipherKey) { + var b = 176, result = new Uint8Array(b); + result.set(cipherKey); + for (var j = 16, i = 1; j < b; ++i) { + // RotWord + var t1 = result[j - 3], t2 = result[j - 2], + t3 = result[j - 1], t4 = result[j - 4]; + // SubWord + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + // Rcon + t1 = t1 ^ rcon[i]; + for (var n = 0; n < 4; ++n) { + result[j] = (t1 ^= result[j - 16]); + j++; + result[j] = (t2 ^= result[j - 16]); + j++; + result[j] = (t3 ^= result[j - 16]); + j++; + result[j] = (t4 ^= result[j - 16]); + j++; + } + } + return result; + } + + function decrypt128(input, key) { + var state = new Uint8Array(16); + state.set(input); + var i, j, k; + var t, u, v; + // AddRoundKey + for (j = 0, k = 160; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + for (i = 9; i >= 1; --i) { + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + // InvSubBytes + for (j = 0; j < 16; ++j) { + state[j] = inv_s[state[j]]; + } + // AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + // InvMixColumns + for (j = 0; j < 16; j += 4) { + var s0 = mix[state[j]], s1 = mix[state[j + 1]], + s2 = mix[state[j + 2]], s3 = mix[state[j + 3]]; + t = (s0 ^ (s1 >>> 8) ^ (s1 << 24) ^ (s2 >>> 16) ^ (s2 << 16) ^ + (s3 >>> 24) ^ (s3 << 8)); + state[j] = (t >>> 24) & 0xFF; + state[j + 1] = (t >> 16) & 0xFF; + state[j + 2] = (t >> 8) & 0xFF; + state[j + 3] = t & 0xFF; + } + } + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + for (j = 0; j < 16; ++j) { + // InvSubBytes + state[j] = inv_s[state[j]]; + // AddRoundKey + state[j] ^= key[j]; + } + return state; + } + + function encrypt128(input, key) { + var t, u, v, k; + var state = new Uint8Array(16); + state.set(input); + for (j = 0; j < 16; ++j) { + // AddRoundKey + state[j] ^= key[j]; + } + + for (i = 1; i < 10; i++) { + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //MixColumns + for (var j = 0; j < 16; j += 4) { + var s0 = state[j + 0], s1 = state[j + 1]; + var s2 = state[j + 2], s3 = state[j + 3]; + t = s0 ^ s1 ^ s2 ^ s3; + state[j + 0] ^= t ^ mixCol[s0 ^ s1]; + state[j + 1] ^= t ^ mixCol[s1 ^ s2]; + state[j + 2] ^= t ^ mixCol[s2 ^ s3]; + state[j + 3] ^= t ^ mixCol[s3 ^ s0]; + } + //AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + } + + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //AddRoundKey + for (j = 0, k = 160; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + return state; + } + + function AES128Cipher(key) { + this.key = expandKey128(key); + this.buffer = new Uint8Array(16); + this.bufferPosition = 0; + } + + function decryptBlock2(data, finalize) { + var i, j, ii, sourceLength = data.length, + buffer = this.buffer, bufferLength = this.bufferPosition, + result = [], iv = this.iv; + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + // buffer is full, decrypting + var plain = decrypt128(buffer, this.key); + // xor-ing the IV vector to get plain text + for (j = 0; j < 16; ++j) { + plain[j] ^= iv[j]; + } + iv = buffer; + result.push(plain); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + if (finalize) { + // undo a padding that is described in RFC 2898 + var lastBlock = result[result.length - 1]; + var psLen = lastBlock[15]; + if (psLen <= 16) { + for (i = 15, ii = 16 - psLen; i >= ii; --i) { + if (lastBlock[i] !== psLen) { + // Invalid padding, assume that the block has no padding. + psLen = 0; + break; + } + } + outputLength -= psLen; + result[result.length - 1] = lastBlock.subarray(0, 16 - psLen); + } + } + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + + AES128Cipher.prototype = { + decryptBlock: function AES128Cipher_decryptBlock(data, finalize) { + var i, sourceLength = data.length; + var buffer = this.buffer, bufferLength = this.bufferPosition; + // waiting for IV values -- they are at the start of the stream + for (i = 0; bufferLength < 16 && i < sourceLength; ++i, ++bufferLength) { + buffer[bufferLength] = data[i]; + } + if (bufferLength < 16) { + // need more data + this.bufferLength = bufferLength; + return new Uint8Array([]); + } + this.iv = buffer; + this.buffer = new Uint8Array(16); + this.bufferLength = 0; + // starting decryption + this.decryptBlock = decryptBlock2; + return this.decryptBlock(data.subarray(16), finalize); + }, + encrypt: function AES128Cipher_encrypt(data, iv) { + var i, j, ii, sourceLength = data.length, + buffer = this.buffer, bufferLength = this.bufferPosition, + result = []; + if (!iv) { + iv = new Uint8Array(16); + } + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + for (j = 0; j < 16; ++j) { + buffer[j] ^= iv[j]; + } + + // buffer is full, encrypting + var cipher = encrypt128(buffer, this.key); + iv = cipher; + result.push(cipher); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + }; + + return AES128Cipher; +})(); + +var AES256Cipher = (function AES256CipherClosure() { + var rcon = new Uint8Array([ + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, + 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, + 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, + 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, + 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, + 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, + 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, + 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, + 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, + 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, + 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, + 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, + 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d]); + + var s = new Uint8Array([ + 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, + 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, + 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, + 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, + 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, + 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, + 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, + 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, + 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, + 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, + 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, + 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, + 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, + 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, + 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, + 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, + 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, + 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, + 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, + 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, + 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, + 0xb0, 0x54, 0xbb, 0x16]); + + var inv_s = new Uint8Array([ + 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, + 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, + 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, + 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, + 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, + 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, + 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, + 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, + 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, + 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, + 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, + 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, + 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, + 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, + 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, + 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, + 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, + 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, + 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, + 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, + 0x55, 0x21, 0x0c, 0x7d]); + + var mixCol = new Uint8Array(256); + for (var i = 0; i < 256; i++) { + if (i < 128) { + mixCol[i] = i << 1; + } else { + mixCol[i] = (i << 1) ^ 0x1b; + } + } + var mix = new Uint32Array([ + 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, + 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, + 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, + 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, + 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, + 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, + 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, + 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, + 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, + 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, + 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, + 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, + 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, + 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, + 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, + 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, + 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, + 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, + 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, + 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, + 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, + 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, + 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, + 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, + 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, + 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, + 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, + 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, + 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, + 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, + 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, + 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, + 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, + 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, + 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, + 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, + 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, + 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, + 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, + 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, + 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, + 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, + 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]); + + function expandKey256(cipherKey) { + var b = 240, result = new Uint8Array(b); + var r = 1; + + result.set(cipherKey); + for (var j = 32, i = 1; j < b; ++i) { + if (j % 32 === 16) { + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + } else if (j % 32 === 0) { + // RotWord + var t1 = result[j - 3], t2 = result[j - 2], + t3 = result[j - 1], t4 = result[j - 4]; + // SubWord + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + // Rcon + t1 = t1 ^ r; + if ((r <<= 1) >= 256) { + r = (r ^ 0x1b) & 0xFF; + } + } + + for (var n = 0; n < 4; ++n) { + result[j] = (t1 ^= result[j - 32]); + j++; + result[j] = (t2 ^= result[j - 32]); + j++; + result[j] = (t3 ^= result[j - 32]); + j++; + result[j] = (t4 ^= result[j - 32]); + j++; + } + } + return result; + } + + function decrypt256(input, key) { + var state = new Uint8Array(16); + state.set(input); + var i, j, k; + var t, u, v; + // AddRoundKey + for (j = 0, k = 224; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + for (i = 13; i >= 1; --i) { + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + // InvSubBytes + for (j = 0; j < 16; ++j) { + state[j] = inv_s[state[j]]; + } + // AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + // InvMixColumns + for (j = 0; j < 16; j += 4) { + var s0 = mix[state[j]], s1 = mix[state[j + 1]], + s2 = mix[state[j + 2]], s3 = mix[state[j + 3]]; + t = (s0 ^ (s1 >>> 8) ^ (s1 << 24) ^ (s2 >>> 16) ^ (s2 << 16) ^ + (s3 >>> 24) ^ (s3 << 8)); + state[j] = (t >>> 24) & 0xFF; + state[j + 1] = (t >> 16) & 0xFF; + state[j + 2] = (t >> 8) & 0xFF; + state[j + 3] = t & 0xFF; + } + } + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + for (j = 0; j < 16; ++j) { + // InvSubBytes + state[j] = inv_s[state[j]]; + // AddRoundKey + state[j] ^= key[j]; + } + return state; + } + + function encrypt256(input, key) { + var t, u, v, k; + var state = new Uint8Array(16); + state.set(input); + for (j = 0; j < 16; ++j) { + // AddRoundKey + state[j] ^= key[j]; + } + + for (i = 1; i < 14; i++) { + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //MixColumns + for (var j = 0; j < 16; j += 4) { + var s0 = state[j + 0], s1 = state[j + 1]; + var s2 = state[j + 2], s3 = state[j + 3]; + t = s0 ^ s1 ^ s2 ^ s3; + state[j + 0] ^= t ^ mixCol[s0 ^ s1]; + state[j + 1] ^= t ^ mixCol[s1 ^ s2]; + state[j + 2] ^= t ^ mixCol[s2 ^ s3]; + state[j + 3] ^= t ^ mixCol[s3 ^ s0]; + } + //AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + } + + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //AddRoundKey + for (j = 0, k = 224; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + + return state; + + } + + function AES256Cipher(key) { + this.key = expandKey256(key); + this.buffer = new Uint8Array(16); + this.bufferPosition = 0; + } + + function decryptBlock2(data, finalize) { + var i, j, ii, sourceLength = data.length, + buffer = this.buffer, bufferLength = this.bufferPosition, + result = [], iv = this.iv; + + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + // buffer is full, decrypting + var plain = decrypt256(buffer, this.key); + // xor-ing the IV vector to get plain text + for (j = 0; j < 16; ++j) { + plain[j] ^= iv[j]; + } + iv = buffer; + result.push(plain); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + if (finalize) { + // undo a padding that is described in RFC 2898 + var lastBlock = result[result.length - 1]; + var psLen = lastBlock[15]; + if (psLen <= 16) { + for (i = 15, ii = 16 - psLen; i >= ii; --i) { + if (lastBlock[i] !== psLen) { + // Invalid padding, assume that the block has no padding. + psLen = 0; + break; + } + } + outputLength -= psLen; + result[result.length - 1] = lastBlock.subarray(0, 16 - psLen); + } + } + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + + } + + AES256Cipher.prototype = { + decryptBlock: function AES256Cipher_decryptBlock(data, finalize, iv) { + var i, sourceLength = data.length; + var buffer = this.buffer, bufferLength = this.bufferPosition; + // if not supplied an IV wait for IV values + // they are at the start of the stream + if (iv) { + this.iv = iv; + } else { + for (i = 0; bufferLength < 16 && + i < sourceLength; ++i, ++bufferLength) { + buffer[bufferLength] = data[i]; + } + if (bufferLength < 16) { + //need more data + this.bufferLength = bufferLength; + return new Uint8Array([]); + } + this.iv = buffer; + data = data.subarray(16); + } + this.buffer = new Uint8Array(16); + this.bufferLength = 0; + // starting decryption + this.decryptBlock = decryptBlock2; + return this.decryptBlock(data, finalize); + }, + encrypt: function AES256Cipher_encrypt(data, iv) { + var i, j, ii, sourceLength = data.length, + buffer = this.buffer, bufferLength = this.bufferPosition, + result = []; + if (!iv) { + iv = new Uint8Array(16); + } + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + for (j = 0; j < 16; ++j) { + buffer[j] ^= iv[j]; + } + + // buffer is full, encrypting + var cipher = encrypt256(buffer, this.key); + this.iv = cipher; + result.push(cipher); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + }; + + return AES256Cipher; +})(); + +var PDF17 = (function PDF17Closure() { + + function compareByteArrays(array1, array2) { + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + if (array1[i] !== array2[i]) { + return false; + } + } + return true; + } + + function PDF17() { + } + + PDF17.prototype = { + checkOwnerPassword: function PDF17_checkOwnerPassword(password, + ownerValidationSalt, + userBytes, + ownerPassword) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerValidationSalt, password.length); + hashData.set(userBytes, password.length + ownerValidationSalt.length); + var result = calculateSHA256(hashData, 0, hashData.length); + return compareByteArrays(result, ownerPassword); + }, + checkUserPassword: function PDF17_checkUserPassword(password, + userValidationSalt, + userPassword) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userValidationSalt, password.length); + var result = calculateSHA256(hashData, 0, hashData.length); + return compareByteArrays(result, userPassword); + }, + getOwnerKey: function PDF17_getOwnerKey(password, ownerKeySalt, userBytes, + ownerEncryption) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerKeySalt, password.length); + hashData.set(userBytes, password.length + ownerKeySalt.length); + var key = calculateSHA256(hashData, 0, hashData.length); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(ownerEncryption, + false, + new Uint8Array(16)); + + }, + getUserKey: function PDF17_getUserKey(password, userKeySalt, + userEncryption) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userKeySalt, password.length); + //key is the decryption key for the UE string + var key = calculateSHA256(hashData, 0, hashData.length); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(userEncryption, + false, + new Uint8Array(16)); + } + }; + return PDF17; +})(); + +var PDF20 = (function PDF20Closure() { + + function concatArrays(array1, array2) { + var t = new Uint8Array(array1.length + array2.length); + t.set(array1, 0); + t.set(array2, array1.length); + return t; + } + + function calculatePDF20Hash(password, input, userBytes) { + //This refers to Algorithm 2.B as defined in ISO 32000-2 + var k = calculateSHA256(input, 0, input.length).subarray(0, 32); + var e = [0]; + var i = 0; + while (i < 64 || e[e.length - 1] > i - 32) { + var arrayLength = password.length + k.length + userBytes.length; + + var k1 = new Uint8Array(arrayLength * 64); + var array = concatArrays(password, k); + array = concatArrays(array, userBytes); + for (var j = 0, pos = 0; j < 64; j++, pos += arrayLength) { + k1.set(array, pos); + } + //AES128 CBC NO PADDING with + //first 16 bytes of k as the key and the second 16 as the iv. + var cipher = new AES128Cipher(k.subarray(0, 16)); + e = cipher.encrypt(k1, k.subarray(16, 32)); + //Now we have to take the first 16 bytes of an unsigned + //big endian integer... and compute the remainder + //modulo 3.... That is a fairly large number and + //JavaScript isn't going to handle that well... + //So we're using a trick that allows us to perform + //modulo math byte by byte + var remainder = 0; + for (var z = 0; z < 16; z++) { + remainder *= (256 % 3); + remainder %= 3; + remainder += ((e[z] >>> 0) % 3); + remainder %= 3; + } + if (remainder === 0) { + k = calculateSHA256(e, 0, e.length); + } + else if (remainder === 1) { + k = calculateSHA384(e, 0, e.length); + } + else if (remainder === 2) { + k = calculateSHA512(e, 0, e.length); + } + i++; + } + return k.subarray(0, 32); + } + + function PDF20() { + } + + function compareByteArrays(array1, array2) { + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + if (array1[i] !== array2[i]) { + return false; + } + } + return true; + } + + PDF20.prototype = { + hash: function PDF20_hash(password, concatBytes, userBytes) { + return calculatePDF20Hash(password, concatBytes, userBytes); + }, + checkOwnerPassword: function PDF20_checkOwnerPassword(password, + ownerValidationSalt, + userBytes, + ownerPassword) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerValidationSalt, password.length); + hashData.set(userBytes, password.length + ownerValidationSalt.length); + var result = calculatePDF20Hash(password, hashData, userBytes); + return compareByteArrays(result, ownerPassword); + }, + checkUserPassword: function PDF20_checkUserPassword(password, + userValidationSalt, + userPassword) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userValidationSalt, password.length); + var result = calculatePDF20Hash(password, hashData, []); + return compareByteArrays(result, userPassword); + }, + getOwnerKey: function PDF20_getOwnerKey(password, ownerKeySalt, userBytes, + ownerEncryption) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerKeySalt, password.length); + hashData.set(userBytes, password.length + ownerKeySalt.length); + var key = calculatePDF20Hash(password, hashData, userBytes); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(ownerEncryption, + false, + new Uint8Array(16)); + + }, + getUserKey: function PDF20_getUserKey(password, userKeySalt, + userEncryption) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userKeySalt, password.length); + //key is the decryption key for the UE string + var key = calculatePDF20Hash(password, hashData, []); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(userEncryption, + false, + new Uint8Array(16)); + } + }; + return PDF20; +})(); + +var CipherTransform = (function CipherTransformClosure() { + function CipherTransform(stringCipherConstructor, streamCipherConstructor) { + this.stringCipherConstructor = stringCipherConstructor; + this.streamCipherConstructor = streamCipherConstructor; + } + + CipherTransform.prototype = { + createStream: function CipherTransform_createStream(stream, length) { + var cipher = new this.streamCipherConstructor(); + return new DecryptStream(stream, length, + function cipherTransformDecryptStream(data, finalize) { + return cipher.decryptBlock(data, finalize); + } + ); + }, + decryptString: function CipherTransform_decryptString(s) { + var cipher = new this.stringCipherConstructor(); + var data = stringToBytes(s); + data = cipher.decryptBlock(data, true); + return bytesToString(data); + } + }; + return CipherTransform; +})(); + +var CipherTransformFactory = (function CipherTransformFactoryClosure() { + var defaultPasswordBytes = new Uint8Array([ + 0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41, + 0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08, + 0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80, + 0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]); + + function createEncryptionKey20(revision, password, ownerPassword, + ownerValidationSalt, ownerKeySalt, uBytes, + userPassword, userValidationSalt, userKeySalt, + ownerEncryption, userEncryption, perms) { + if (password) { + var passwordLength = Math.min(127, password.length); + password = password.subarray(0, passwordLength); + } else { + password = []; + } + var pdfAlgorithm; + if (revision === 6) { + pdfAlgorithm = new PDF20(); + } else { + pdfAlgorithm = new PDF17(); + } + + if (pdfAlgorithm) { + if (pdfAlgorithm.checkUserPassword(password, userValidationSalt, + userPassword)) { + return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption); + } else if (password.length && pdfAlgorithm.checkOwnerPassword(password, + ownerValidationSalt, + uBytes, + ownerPassword)) { + return pdfAlgorithm.getOwnerKey(password, ownerKeySalt, uBytes, + ownerEncryption); + } + } + + return null; + } + + function prepareKeyData(fileId, password, ownerPassword, userPassword, + flags, revision, keyLength, encryptMetadata) { + var hashDataSize = 40 + ownerPassword.length + fileId.length; + var hashData = new Uint8Array(hashDataSize), i = 0, j, n; + if (password) { + n = Math.min(32, password.length); + for (; i < n; ++i) { + hashData[i] = password[i]; + } + } + j = 0; + while (i < 32) { + hashData[i++] = defaultPasswordBytes[j++]; + } + // as now the padded password in the hashData[0..i] + for (j = 0, n = ownerPassword.length; j < n; ++j) { + hashData[i++] = ownerPassword[j]; + } + hashData[i++] = flags & 0xFF; + hashData[i++] = (flags >> 8) & 0xFF; + hashData[i++] = (flags >> 16) & 0xFF; + hashData[i++] = (flags >>> 24) & 0xFF; + for (j = 0, n = fileId.length; j < n; ++j) { + hashData[i++] = fileId[j]; + } + if (revision >= 4 && !encryptMetadata) { + hashData[i++] = 0xFF; + hashData[i++] = 0xFF; + hashData[i++] = 0xFF; + hashData[i++] = 0xFF; + } + var hash = calculateMD5(hashData, 0, i); + var keyLengthInBytes = keyLength >> 3; + if (revision >= 3) { + for (j = 0; j < 50; ++j) { + hash = calculateMD5(hash, 0, keyLengthInBytes); + } + } + var encryptionKey = hash.subarray(0, keyLengthInBytes); + var cipher, checkData; + + if (revision >= 3) { + for (i = 0; i < 32; ++i) { + hashData[i] = defaultPasswordBytes[i]; + } + for (j = 0, n = fileId.length; j < n; ++j) { + hashData[i++] = fileId[j]; + } + cipher = new ARCFourCipher(encryptionKey); + checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i)); + n = encryptionKey.length; + var derivedKey = new Uint8Array(n), k; + for (j = 1; j <= 19; ++j) { + for (k = 0; k < n; ++k) { + derivedKey[k] = encryptionKey[k] ^ j; + } + cipher = new ARCFourCipher(derivedKey); + checkData = cipher.encryptBlock(checkData); + } + for (j = 0, n = checkData.length; j < n; ++j) { + if (userPassword[j] !== checkData[j]) { + return null; + } + } + } else { + cipher = new ARCFourCipher(encryptionKey); + checkData = cipher.encryptBlock(defaultPasswordBytes); + for (j = 0, n = checkData.length; j < n; ++j) { + if (userPassword[j] !== checkData[j]) { + return null; + } + } + } + return encryptionKey; + } + + function decodeUserPassword(password, ownerPassword, revision, keyLength) { + var hashData = new Uint8Array(32), i = 0, j, n; + n = Math.min(32, password.length); + for (; i < n; ++i) { + hashData[i] = password[i]; + } + j = 0; + while (i < 32) { + hashData[i++] = defaultPasswordBytes[j++]; + } + var hash = calculateMD5(hashData, 0, i); + var keyLengthInBytes = keyLength >> 3; + if (revision >= 3) { + for (j = 0; j < 50; ++j) { + hash = calculateMD5(hash, 0, hash.length); + } + } + + var cipher, userPassword; + if (revision >= 3) { + userPassword = ownerPassword; + var derivedKey = new Uint8Array(keyLengthInBytes), k; + for (j = 19; j >= 0; j--) { + for (k = 0; k < keyLengthInBytes; ++k) { + derivedKey[k] = hash[k] ^ j; + } + cipher = new ARCFourCipher(derivedKey); + userPassword = cipher.encryptBlock(userPassword); + } + } else { + cipher = new ARCFourCipher(hash.subarray(0, keyLengthInBytes)); + userPassword = cipher.encryptBlock(ownerPassword); + } + return userPassword; + } + + var identityName = Name.get('Identity'); + + function CipherTransformFactory(dict, fileId, password) { + var filter = dict.get('Filter'); + if (!isName(filter) || filter.name !== 'Standard') { + error('unknown encryption method'); + } + this.dict = dict; + var algorithm = dict.get('V'); + if (!isInt(algorithm) || + (algorithm !== 1 && algorithm !== 2 && algorithm !== 4 && + algorithm !== 5)) { + error('unsupported encryption algorithm'); + } + this.algorithm = algorithm; + var keyLength = dict.get('Length'); + if (!keyLength) { + // Spec asks to rely on encryption dictionary's Length entry, however + // some PDFs don't have it. Trying to recover. + if (algorithm <= 3) { + // For 1 and 2 it's fixed to 40-bit, for 3 40-bit is a minimal value. + keyLength = 40; + } else { + // Trying to find default handler -- it usually has Length. + var cfDict = dict.get('CF'); + var streamCryptoName = dict.get('StmF'); + if (isDict(cfDict) && isName(streamCryptoName)) { + var handlerDict = cfDict.get(streamCryptoName.name); + keyLength = (handlerDict && handlerDict.get('Length')) || 128; + if (keyLength < 40) { + // Sometimes it's incorrect value of bits, generators specify bytes. + keyLength <<= 3; + } + } + } + } + if (!isInt(keyLength) || + keyLength < 40 || (keyLength % 8) !== 0) { + error('invalid key length'); + } + + // prepare keys + var ownerPassword = stringToBytes(dict.get('O')).subarray(0, 32); + var userPassword = stringToBytes(dict.get('U')).subarray(0, 32); + var flags = dict.get('P'); + var revision = dict.get('R'); + // meaningful when V is 4 or 5 + var encryptMetadata = ((algorithm === 4 || algorithm === 5) && + dict.get('EncryptMetadata') !== false); + this.encryptMetadata = encryptMetadata; + + var fileIdBytes = stringToBytes(fileId); + var passwordBytes; + if (password) { + if (revision === 6) { + try { + password = utf8StringToString(password); + } catch (ex) { + warn('CipherTransformFactory: ' + + 'Unable to convert UTF8 encoded password.'); + } + } + passwordBytes = stringToBytes(password); + } + + var encryptionKey; + if (algorithm !== 5) { + encryptionKey = prepareKeyData(fileIdBytes, passwordBytes, + ownerPassword, userPassword, flags, + revision, keyLength, encryptMetadata); + } + else { + var ownerValidationSalt = stringToBytes(dict.get('O')).subarray(32, 40); + var ownerKeySalt = stringToBytes(dict.get('O')).subarray(40, 48); + var uBytes = stringToBytes(dict.get('U')).subarray(0, 48); + var userValidationSalt = stringToBytes(dict.get('U')).subarray(32, 40); + var userKeySalt = stringToBytes(dict.get('U')).subarray(40, 48); + var ownerEncryption = stringToBytes(dict.get('OE')); + var userEncryption = stringToBytes(dict.get('UE')); + var perms = stringToBytes(dict.get('Perms')); + encryptionKey = + createEncryptionKey20(revision, passwordBytes, + ownerPassword, ownerValidationSalt, + ownerKeySalt, uBytes, + userPassword, userValidationSalt, + userKeySalt, ownerEncryption, + userEncryption, perms); + } + if (!encryptionKey && !password) { + throw new PasswordException('No password given', + PasswordResponses.NEED_PASSWORD); + } else if (!encryptionKey && password) { + // Attempting use the password as an owner password + var decodedPassword = decodeUserPassword(passwordBytes, ownerPassword, + revision, keyLength); + encryptionKey = prepareKeyData(fileIdBytes, decodedPassword, + ownerPassword, userPassword, flags, + revision, keyLength, encryptMetadata); + } + + if (!encryptionKey) { + throw new PasswordException('Incorrect Password', + PasswordResponses.INCORRECT_PASSWORD); + } + + this.encryptionKey = encryptionKey; + + if (algorithm >= 4) { + this.cf = dict.get('CF'); + this.stmf = dict.get('StmF') || identityName; + this.strf = dict.get('StrF') || identityName; + this.eff = dict.get('EFF') || this.stmf; + } + } + + function buildObjectKey(num, gen, encryptionKey, isAes) { + var key = new Uint8Array(encryptionKey.length + 9), i, n; + for (i = 0, n = encryptionKey.length; i < n; ++i) { + key[i] = encryptionKey[i]; + } + key[i++] = num & 0xFF; + key[i++] = (num >> 8) & 0xFF; + key[i++] = (num >> 16) & 0xFF; + key[i++] = gen & 0xFF; + key[i++] = (gen >> 8) & 0xFF; + if (isAes) { + key[i++] = 0x73; + key[i++] = 0x41; + key[i++] = 0x6C; + key[i++] = 0x54; + } + var hash = calculateMD5(key, 0, i); + return hash.subarray(0, Math.min(encryptionKey.length + 5, 16)); + } + + function buildCipherConstructor(cf, name, num, gen, key) { + var cryptFilter = cf.get(name.name); + var cfm; + if (cryptFilter !== null && cryptFilter !== undefined) { + cfm = cryptFilter.get('CFM'); + } + if (!cfm || cfm.name === 'None') { + return function cipherTransformFactoryBuildCipherConstructorNone() { + return new NullCipher(); + }; + } + if ('V2' === cfm.name) { + return function cipherTransformFactoryBuildCipherConstructorV2() { + return new ARCFourCipher(buildObjectKey(num, gen, key, false)); + }; + } + if ('AESV2' === cfm.name) { + return function cipherTransformFactoryBuildCipherConstructorAESV2() { + return new AES128Cipher(buildObjectKey(num, gen, key, true)); + }; + } + if ('AESV3' === cfm.name) { + return function cipherTransformFactoryBuildCipherConstructorAESV3() { + return new AES256Cipher(key); + }; + } + error('Unknown crypto method'); + } + + CipherTransformFactory.prototype = { + createCipherTransform: + function CipherTransformFactory_createCipherTransform(num, gen) { + if (this.algorithm === 4 || this.algorithm === 5) { + return new CipherTransform( + buildCipherConstructor(this.cf, this.stmf, + num, gen, this.encryptionKey), + buildCipherConstructor(this.cf, this.strf, + num, gen, this.encryptionKey)); + } + // algorithms 1 and 2 + var key = buildObjectKey(num, gen, this.encryptionKey, false); + var cipherConstructor = function buildCipherCipherConstructor() { + return new ARCFourCipher(key); + }; + return new CipherTransform(cipherConstructor, cipherConstructor); + } + }; + + return CipherTransformFactory; +})(); + +exports.AES128Cipher = AES128Cipher; +exports.AES256Cipher = AES256Cipher; +exports.ARCFourCipher = ARCFourCipher; +exports.CipherTransformFactory = CipherTransformFactory; +exports.PDF17 = PDF17; +exports.PDF20 = PDF20; +exports.calculateMD5 = calculateMD5; +exports.calculateSHA256 = calculateSHA256; +exports.calculateSHA384 = calculateSHA384; +exports.calculateSHA512 = calculateSHA512; +})); + +(function (root, factory) { + { + factory((root.pdfjsCoreFontRenderer = {}), root.pdfjsSharedUtil, + root.pdfjsCoreStream, root.pdfjsCoreGlyphList); + } +}(this, function (exports, sharedUtil, coreStream, coreGlyphList) { + +var Util = sharedUtil.Util; +var bytesToString = sharedUtil.bytesToString; +var error = sharedUtil.error; +var Stream = coreStream.Stream; +var GlyphsUnicode = coreGlyphList.GlyphsUnicode; + +var coreFonts; // see _setCoreFonts below +var CFFParser; // = coreFonts.CFFParser; +var Encodings; // = coreFonts.Encodings; + +var FontRendererFactory = (function FontRendererFactoryClosure() { + function getLong(data, offset) { + return (data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]; + } + + function getUshort(data, offset) { + return (data[offset] << 8) | data[offset + 1]; + } + + function parseCmap(data, start, end) { + var offset = (getUshort(data, start + 2) === 1 ? + getLong(data, start + 8) : getLong(data, start + 16)); + var format = getUshort(data, start + offset); + var length, ranges, p, i; + if (format === 4) { + length = getUshort(data, start + offset + 2); + var segCount = getUshort(data, start + offset + 6) >> 1; + p = start + offset + 14; + ranges = []; + for (i = 0; i < segCount; i++, p += 2) { + ranges[i] = {end: getUshort(data, p)}; + } + p += 2; + for (i = 0; i < segCount; i++, p += 2) { + ranges[i].start = getUshort(data, p); + } + for (i = 0; i < segCount; i++, p += 2) { + ranges[i].idDelta = getUshort(data, p); + } + for (i = 0; i < segCount; i++, p += 2) { + var idOffset = getUshort(data, p); + if (idOffset === 0) { + continue; + } + ranges[i].ids = []; + for (var j = 0, jj = ranges[i].end - ranges[i].start + 1; j < jj; j++) { + ranges[i].ids[j] = getUshort(data, p + idOffset); + idOffset += 2; + } + } + return ranges; + } else if (format === 12) { + length = getLong(data, start + offset + 4); + var groups = getLong(data, start + offset + 12); + p = start + offset + 16; + ranges = []; + for (i = 0; i < groups; i++) { + ranges.push({ + start: getLong(data, p), + end: getLong(data, p + 4), + idDelta: getLong(data, p + 8) - getLong(data, p) + }); + p += 12; + } + return ranges; + } + error('not supported cmap: ' + format); + } + + function parseCff(data, start, end) { + var properties = {}; + var parser = new CFFParser(new Stream(data, start, end - start), + properties); + var cff = parser.parse(); + return { + glyphs: cff.charStrings.objects, + subrs: (cff.topDict.privateDict && cff.topDict.privateDict.subrsIndex && + cff.topDict.privateDict.subrsIndex.objects), + gsubrs: cff.globalSubrIndex && cff.globalSubrIndex.objects + }; + } + + function parseGlyfTable(glyf, loca, isGlyphLocationsLong) { + var itemSize, itemDecode; + if (isGlyphLocationsLong) { + itemSize = 4; + itemDecode = function fontItemDecodeLong(data, offset) { + return (data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]; + }; + } else { + itemSize = 2; + itemDecode = function fontItemDecode(data, offset) { + return (data[offset] << 9) | (data[offset + 1] << 1); + }; + } + var glyphs = []; + var startOffset = itemDecode(loca, 0); + for (var j = itemSize; j < loca.length; j += itemSize) { + var endOffset = itemDecode(loca, j); + glyphs.push(glyf.subarray(startOffset, endOffset)); + startOffset = endOffset; + } + return glyphs; + } + + function lookupCmap(ranges, unicode) { + var code = unicode.charCodeAt(0); + var l = 0, r = ranges.length - 1; + while (l < r) { + var c = (l + r + 1) >> 1; + if (code < ranges[c].start) { + r = c - 1; + } else { + l = c; + } + } + if (ranges[l].start <= code && code <= ranges[l].end) { + return (ranges[l].idDelta + (ranges[l].ids ? + ranges[l].ids[code - ranges[l].start] : code)) & 0xFFFF; + } + return 0; + } + + function compileGlyf(code, cmds, font) { + function moveTo(x, y) { + cmds.push({cmd: 'moveTo', args: [x, y]}); + } + function lineTo(x, y) { + cmds.push({cmd: 'lineTo', args: [x, y]}); + } + function quadraticCurveTo(xa, ya, x, y) { + cmds.push({cmd: 'quadraticCurveTo', args: [xa, ya, x, y]}); + } + + var i = 0; + var numberOfContours = ((code[i] << 24) | (code[i + 1] << 16)) >> 16; + var flags; + var x = 0, y = 0; + i += 10; + if (numberOfContours < 0) { + // composite glyph + do { + flags = (code[i] << 8) | code[i + 1]; + var glyphIndex = (code[i + 2] << 8) | code[i + 3]; + i += 4; + var arg1, arg2; + if ((flags & 0x01)) { + arg1 = ((code[i] << 24) | (code[i + 1] << 16)) >> 16; + arg2 = ((code[i + 2] << 24) | (code[i + 3] << 16)) >> 16; + i += 4; + } else { + arg1 = code[i++]; arg2 = code[i++]; + } + if ((flags & 0x02)) { + x = arg1; + y = arg2; + } else { + x = 0; y = 0; // TODO "they are points" ? + } + var scaleX = 1, scaleY = 1, scale01 = 0, scale10 = 0; + if ((flags & 0x08)) { + scaleX = + scaleY = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824; + i += 2; + } else if ((flags & 0x40)) { + scaleX = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824; + scaleY = ((code[i + 2] << 24) | (code[i + 3] << 16)) / 1073741824; + i += 4; + } else if ((flags & 0x80)) { + scaleX = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824; + scale01 = ((code[i + 2] << 24) | (code[i + 3] << 16)) / 1073741824; + scale10 = ((code[i + 4] << 24) | (code[i + 5] << 16)) / 1073741824; + scaleY = ((code[i + 6] << 24) | (code[i + 7] << 16)) / 1073741824; + i += 8; + } + var subglyph = font.glyphs[glyphIndex]; + if (subglyph) { + cmds.push({cmd: 'save'}); + cmds.push({cmd: 'transform', + args: [scaleX, scale01, scale10, scaleY, x, y]}); + compileGlyf(subglyph, cmds, font); + cmds.push({cmd: 'restore'}); + } + } while ((flags & 0x20)); + } else { + // simple glyph + var endPtsOfContours = []; + var j, jj; + for (j = 0; j < numberOfContours; j++) { + endPtsOfContours.push((code[i] << 8) | code[i + 1]); + i += 2; + } + var instructionLength = (code[i] << 8) | code[i + 1]; + i += 2 + instructionLength; // skipping the instructions + var numberOfPoints = endPtsOfContours[endPtsOfContours.length - 1] + 1; + var points = []; + while (points.length < numberOfPoints) { + flags = code[i++]; + var repeat = 1; + if ((flags & 0x08)) { + repeat += code[i++]; + } + while (repeat-- > 0) { + points.push({flags: flags}); + } + } + for (j = 0; j < numberOfPoints; j++) { + switch (points[j].flags & 0x12) { + case 0x00: + x += ((code[i] << 24) | (code[i + 1] << 16)) >> 16; + i += 2; + break; + case 0x02: + x -= code[i++]; + break; + case 0x12: + x += code[i++]; + break; + } + points[j].x = x; + } + for (j = 0; j < numberOfPoints; j++) { + switch (points[j].flags & 0x24) { + case 0x00: + y += ((code[i] << 24) | (code[i + 1] << 16)) >> 16; + i += 2; + break; + case 0x04: + y -= code[i++]; + break; + case 0x24: + y += code[i++]; + break; + } + points[j].y = y; + } + + var startPoint = 0; + for (i = 0; i < numberOfContours; i++) { + var endPoint = endPtsOfContours[i]; + // contours might have implicit points, which is located in the middle + // between two neighboring off-curve points + var contour = points.slice(startPoint, endPoint + 1); + if ((contour[0].flags & 1)) { + contour.push(contour[0]); // using start point at the contour end + } else if ((contour[contour.length - 1].flags & 1)) { + // first is off-curve point, trying to use one from the end + contour.unshift(contour[contour.length - 1]); + } else { + // start and end are off-curve points, creating implicit one + var p = { + flags: 1, + x: (contour[0].x + contour[contour.length - 1].x) / 2, + y: (contour[0].y + contour[contour.length - 1].y) / 2 + }; + contour.unshift(p); + contour.push(p); + } + moveTo(contour[0].x, contour[0].y); + for (j = 1, jj = contour.length; j < jj; j++) { + if ((contour[j].flags & 1)) { + lineTo(contour[j].x, contour[j].y); + } else if ((contour[j + 1].flags & 1)){ + quadraticCurveTo(contour[j].x, contour[j].y, + contour[j + 1].x, contour[j + 1].y); + j++; + } else { + quadraticCurveTo(contour[j].x, contour[j].y, + (contour[j].x + contour[j + 1].x) / 2, + (contour[j].y + contour[j + 1].y) / 2); + } + } + startPoint = endPoint + 1; + } + } + } + + function compileCharString(code, cmds, font) { + var stack = []; + var x = 0, y = 0; + var stems = 0; + + function moveTo(x, y) { + cmds.push({cmd: 'moveTo', args: [x, y]}); + } + function lineTo(x, y) { + cmds.push({cmd: 'lineTo', args: [x, y]}); + } + function bezierCurveTo(x1, y1, x2, y2, x, y) { + cmds.push({cmd: 'bezierCurveTo', args: [x1, y1, x2, y2, x, y]}); + } + + function parse(code) { + var i = 0; + while (i < code.length) { + var stackClean = false; + var v = code[i++]; + var xa, xb, ya, yb, y1, y2, y3, n, subrCode; + switch (v) { + case 1: // hstem + stems += stack.length >> 1; + stackClean = true; + break; + case 3: // vstem + stems += stack.length >> 1; + stackClean = true; + break; + case 4: // vmoveto + y += stack.pop(); + moveTo(x, y); + stackClean = true; + break; + case 5: // rlineto + while (stack.length > 0) { + x += stack.shift(); + y += stack.shift(); + lineTo(x, y); + } + break; + case 6: // hlineto + while (stack.length > 0) { + x += stack.shift(); + lineTo(x, y); + if (stack.length === 0) { + break; + } + y += stack.shift(); + lineTo(x, y); + } + break; + case 7: // vlineto + while (stack.length > 0) { + y += stack.shift(); + lineTo(x, y); + if (stack.length === 0) { + break; + } + x += stack.shift(); + lineTo(x, y); + } + break; + case 8: // rrcurveto + while (stack.length > 0) { + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 10: // callsubr + n = stack.pop() + font.subrsBias; + subrCode = font.subrs[n]; + if (subrCode) { + parse(subrCode); + } + break; + case 11: // return + return; + case 12: + v = code[i++]; + switch (v) { + case 34: // flex + xa = x + stack.shift(); + xb = xa + stack.shift(); y1 = y + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y, xb, y1, x, y1); + xa = x + stack.shift(); + xb = xa + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y1, xb, y, x, y); + break; + case 35: // flex + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + stack.pop(); // fd + break; + case 36: // hflex1 + xa = x + stack.shift(); y1 = y + stack.shift(); + xb = xa + stack.shift(); y2 = y1 + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y1, xb, y2, x, y2); + xa = x + stack.shift(); + xb = xa + stack.shift(); y3 = y2 + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y2, xb, y3, x, y); + break; + case 37: // flex1 + var x0 = x, y0 = y; + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb; y = yb; + if (Math.abs(x - x0) > Math.abs(y - y0)) { + x += stack.shift(); + } else { + y += stack.shift(); + } + bezierCurveTo(xa, ya, xb, yb, x, y); + break; + default: + error('unknown operator: 12 ' + v); + } + break; + case 14: // endchar + if (stack.length >= 4) { + var achar = stack.pop(); + var bchar = stack.pop(); + y = stack.pop(); + x = stack.pop(); + cmds.push({cmd: 'save'}); + cmds.push({cmd: 'translate', args: [x, y]}); + var gid = lookupCmap(font.cmap, String.fromCharCode( + font.glyphNameMap[Encodings.StandardEncoding[achar]])); + compileCharString(font.glyphs[gid], cmds, font); + cmds.push({cmd: 'restore'}); + + gid = lookupCmap(font.cmap, String.fromCharCode( + font.glyphNameMap[Encodings.StandardEncoding[bchar]])); + compileCharString(font.glyphs[gid], cmds, font); + } + return; + case 18: // hstemhm + stems += stack.length >> 1; + stackClean = true; + break; + case 19: // hintmask + stems += stack.length >> 1; + i += (stems + 7) >> 3; + stackClean = true; + break; + case 20: // cntrmask + stems += stack.length >> 1; + i += (stems + 7) >> 3; + stackClean = true; + break; + case 21: // rmoveto + y += stack.pop(); + x += stack.pop(); + moveTo(x, y); + stackClean = true; + break; + case 22: // hmoveto + x += stack.pop(); + moveTo(x, y); + stackClean = true; + break; + case 23: // vstemhm + stems += stack.length >> 1; + stackClean = true; + break; + case 24: // rcurveline + while (stack.length > 2) { + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + x += stack.shift(); + y += stack.shift(); + lineTo(x, y); + break; + case 25: // rlinecurve + while (stack.length > 6) { + x += stack.shift(); + y += stack.shift(); + lineTo(x, y); + } + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + break; + case 26: // vvcurveto + if (stack.length % 2) { + x += stack.shift(); + } + while (stack.length > 0) { + xa = x; ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb; y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 27: // hhcurveto + if (stack.length % 2) { + y += stack.shift(); + } + while (stack.length > 0) { + xa = x + stack.shift(); ya = y; + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb; + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 28: + stack.push(((code[i] << 24) | (code[i + 1] << 16)) >> 16); + i += 2; + break; + case 29: // callgsubr + n = stack.pop() + font.gsubrsBias; + subrCode = font.gsubrs[n]; + if (subrCode) { + parse(subrCode); + } + break; + case 30: // vhcurveto + while (stack.length > 0) { + xa = x; ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + if (stack.length === 0) { + break; + } + + xa = x + stack.shift(); ya = y; + xb = xa + stack.shift(); yb = ya + stack.shift(); + y = yb + stack.shift(); + x = xb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 31: // hvcurveto + while (stack.length > 0) { + xa = x + stack.shift(); ya = y; + xb = xa + stack.shift(); yb = ya + stack.shift(); + y = yb + stack.shift(); + x = xb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + if (stack.length === 0) { + break; + } + + xa = x; ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + default: + if (v < 32) { + error('unknown operator: ' + v); + } + if (v < 247) { + stack.push(v - 139); + } else if (v < 251) { + stack.push((v - 247) * 256 + code[i++] + 108); + } else if (v < 255) { + stack.push(-(v - 251) * 256 - code[i++] - 108); + } else { + stack.push(((code[i] << 24) | (code[i + 1] << 16) | + (code[i + 2] << 8) | code[i + 3]) / 65536); + i += 4; + } + break; + } + if (stackClean) { + stack.length = 0; + } + } + } + parse(code); + } + + var noop = ''; + + function CompiledFont(fontMatrix) { + this.compiledGlyphs = {}; + this.fontMatrix = fontMatrix; + } + CompiledFont.prototype = { + getPathJs: function (unicode) { + var gid = lookupCmap(this.cmap, unicode); + var fn = this.compiledGlyphs[gid]; + if (!fn) { + this.compiledGlyphs[gid] = fn = this.compileGlyph(this.glyphs[gid]); + } + return fn; + }, + + compileGlyph: function (code) { + if (!code || code.length === 0 || code[0] === 14) { + return noop; + } + + var cmds = []; + cmds.push({cmd: 'save'}); + cmds.push({cmd: 'transform', args: this.fontMatrix.slice()}); + cmds.push({cmd: 'scale', args: ['size', '-size']}); + + this.compileGlyphImpl(code, cmds); + + cmds.push({cmd: 'restore'}); + + return cmds; + }, + + compileGlyphImpl: function () { + error('Children classes should implement this.'); + }, + + hasBuiltPath: function (unicode) { + var gid = lookupCmap(this.cmap, unicode); + return gid in this.compiledGlyphs; + } + }; + + function TrueTypeCompiled(glyphs, cmap, fontMatrix) { + fontMatrix = fontMatrix || [0.000488, 0, 0, 0.000488, 0, 0]; + CompiledFont.call(this, fontMatrix); + + this.glyphs = glyphs; + this.cmap = cmap; + + this.compiledGlyphs = []; + } + + Util.inherit(TrueTypeCompiled, CompiledFont, { + compileGlyphImpl: function (code, cmds) { + compileGlyf(code, cmds, this); + } + }); + + function Type2Compiled(cffInfo, cmap, fontMatrix, glyphNameMap) { + fontMatrix = fontMatrix || [0.001, 0, 0, 0.001, 0, 0]; + CompiledFont.call(this, fontMatrix); + this.glyphs = cffInfo.glyphs; + this.gsubrs = cffInfo.gsubrs || []; + this.subrs = cffInfo.subrs || []; + this.cmap = cmap; + this.glyphNameMap = glyphNameMap || GlyphsUnicode; + + this.compiledGlyphs = []; + this.gsubrsBias = (this.gsubrs.length < 1240 ? + 107 : (this.gsubrs.length < 33900 ? 1131 : 32768)); + this.subrsBias = (this.subrs.length < 1240 ? + 107 : (this.subrs.length < 33900 ? 1131 : 32768)); + } + + Util.inherit(Type2Compiled, CompiledFont, { + compileGlyphImpl: function (code, cmds) { + compileCharString(code, cmds, this); + } + }); + + + return { + create: function FontRendererFactory_create(font) { + var data = new Uint8Array(font.data); + var cmap, glyf, loca, cff, indexToLocFormat, unitsPerEm; + var numTables = getUshort(data, 4); + for (var i = 0, p = 12; i < numTables; i++, p += 16) { + var tag = bytesToString(data.subarray(p, p + 4)); + var offset = getLong(data, p + 8); + var length = getLong(data, p + 12); + switch (tag) { + case 'cmap': + cmap = parseCmap(data, offset, offset + length); + break; + case 'glyf': + glyf = data.subarray(offset, offset + length); + break; + case 'loca': + loca = data.subarray(offset, offset + length); + break; + case 'head': + unitsPerEm = getUshort(data, offset + 18); + indexToLocFormat = getUshort(data, offset + 50); + break; + case 'CFF ': + cff = parseCff(data, offset, offset + length); + break; + } + } + + if (glyf) { + var fontMatrix = (!unitsPerEm ? font.fontMatrix : + [1 / unitsPerEm, 0, 0, 1 / unitsPerEm, 0, 0]); + return new TrueTypeCompiled( + parseGlyfTable(glyf, loca, indexToLocFormat), cmap, fontMatrix); + } else { + return new Type2Compiled(cff, cmap, font.fontMatrix, font.glyphNameMap); + } + } + }; +})(); + + +// TODO refactor to remove cyclic dependency on fonts.js +function _setCoreFonts(coreFonts_) { + coreFonts = coreFonts_; + Encodings = coreFonts_.Encodings; + CFFParser = coreFonts_.CFFParser; +} +exports._setCoreFonts = _setCoreFonts; + +exports.FontRendererFactory = FontRendererFactory; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreParser = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream) { + +var MissingDataException = sharedUtil.MissingDataException; +var StreamType = sharedUtil.StreamType; +var assert = sharedUtil.assert; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isInt = sharedUtil.isInt; +var isNum = sharedUtil.isNum; +var isString = sharedUtil.isString; +var warn = sharedUtil.warn; +var Cmd = corePrimitives.Cmd; +var Dict = corePrimitives.Dict; +var Name = corePrimitives.Name; +var Ref = corePrimitives.Ref; +var isCmd = corePrimitives.isCmd; +var isDict = corePrimitives.isDict; +var isName = corePrimitives.isName; +var Ascii85Stream = coreStream.Ascii85Stream; +var AsciiHexStream = coreStream.AsciiHexStream; +var CCITTFaxStream = coreStream.CCITTFaxStream; +var FlateStream = coreStream.FlateStream; +var Jbig2Stream = coreStream.Jbig2Stream; +var JpegStream = coreStream.JpegStream; +var JpxStream = coreStream.JpxStream; +var LZWStream = coreStream.LZWStream; +var NullStream = coreStream.NullStream; +var PredictorStream = coreStream.PredictorStream; +var RunLengthStream = coreStream.RunLengthStream; + +var EOF = {}; + +function isEOF(v) { + return (v === EOF); +} + +var MAX_LENGTH_TO_CACHE = 1000; + +var Parser = (function ParserClosure() { + function Parser(lexer, allowStreams, xref) { + this.lexer = lexer; + this.allowStreams = allowStreams; + this.xref = xref; + this.imageCache = {}; + this.refill(); + } + + Parser.prototype = { + refill: function Parser_refill() { + this.buf1 = this.lexer.getObj(); + this.buf2 = this.lexer.getObj(); + }, + shift: function Parser_shift() { + if (isCmd(this.buf2, 'ID')) { + this.buf1 = this.buf2; + this.buf2 = null; + } else { + this.buf1 = this.buf2; + this.buf2 = this.lexer.getObj(); + } + }, + tryShift: function Parser_tryShift() { + try { + this.shift(); + return true; + } catch (e) { + if (e instanceof MissingDataException) { + throw e; + } + // Upon failure, the caller should reset this.lexer.pos to a known good + // state and call this.shift() twice to reset the buffers. + return false; + } + }, + getObj: function Parser_getObj(cipherTransform) { + var buf1 = this.buf1; + this.shift(); + + if (buf1 instanceof Cmd) { + switch (buf1.cmd) { + case 'BI': // inline image + return this.makeInlineImage(cipherTransform); + case '[': // array + var array = []; + while (!isCmd(this.buf1, ']') && !isEOF(this.buf1)) { + array.push(this.getObj(cipherTransform)); + } + if (isEOF(this.buf1)) { + error('End of file inside array'); + } + this.shift(); + return array; + case '<<': // dictionary or stream + var dict = new Dict(this.xref); + while (!isCmd(this.buf1, '>>') && !isEOF(this.buf1)) { + if (!isName(this.buf1)) { + info('Malformed dictionary: key must be a name object'); + this.shift(); + continue; + } + + var key = this.buf1.name; + this.shift(); + if (isEOF(this.buf1)) { + break; + } + dict.set(key, this.getObj(cipherTransform)); + } + if (isEOF(this.buf1)) { + error('End of file inside dictionary'); + } + + // Stream objects are not allowed inside content streams or + // object streams. + if (isCmd(this.buf2, 'stream')) { + return (this.allowStreams ? + this.makeStream(dict, cipherTransform) : dict); + } + this.shift(); + return dict; + default: // simple object + return buf1; + } + } + + if (isInt(buf1)) { // indirect reference or integer + var num = buf1; + if (isInt(this.buf1) && isCmd(this.buf2, 'R')) { + var ref = new Ref(num, this.buf1); + this.shift(); + this.shift(); + return ref; + } + return num; + } + + if (isString(buf1)) { // string + var str = buf1; + if (cipherTransform) { + str = cipherTransform.decryptString(str); + } + return str; + } + + // simple object + return buf1; + }, + /** + * Find the end of the stream by searching for the /EI\s/. + * @returns {number} The inline stream length. + */ + findDefaultInlineStreamEnd: + function Parser_findDefaultInlineStreamEnd(stream) { + var E = 0x45, I = 0x49, SPACE = 0x20, LF = 0xA, CR = 0xD; + var startPos = stream.pos, state = 0, ch, i, n, followingBytes; + while ((ch = stream.getByte()) !== -1) { + if (state === 0) { + state = (ch === E) ? 1 : 0; + } else if (state === 1) { + state = (ch === I) ? 2 : 0; + } else { + assert(state === 2); + if (ch === SPACE || ch === LF || ch === CR) { + // Let's check the next five bytes are ASCII... just be sure. + n = 5; + followingBytes = stream.peekBytes(n); + for (i = 0; i < n; i++) { + ch = followingBytes[i]; + if (ch !== LF && ch !== CR && (ch < SPACE || ch > 0x7F)) { + // Not a LF, CR, SPACE or any visible ASCII character, i.e. + // it's binary stuff. Resetting the state. + state = 0; + break; + } + } + if (state === 2) { + break; // Finished! + } + } else { + state = 0; + } + } + } + return ((stream.pos - 4) - startPos); + }, + /** + * Find the EOI (end-of-image) marker 0xFFD9 of the stream. + * @returns {number} The inline stream length. + */ + findDCTDecodeInlineStreamEnd: + function Parser_findDCTDecodeInlineStreamEnd(stream) { + var startPos = stream.pos, foundEOI = false, b, markerLength, length; + while ((b = stream.getByte()) !== -1) { + if (b !== 0xFF) { // Not a valid marker. + continue; + } + switch (stream.getByte()) { + case 0x00: // Byte stuffing. + // 0xFF00 appears to be a very common byte sequence in JPEG images. + break; + + case 0xFF: // Fill byte. + // Avoid skipping a valid marker, resetting the stream position. + stream.skip(-1); + break; + + case 0xD9: // EOI + foundEOI = true; + break; + + case 0xC0: // SOF0 + case 0xC1: // SOF1 + case 0xC2: // SOF2 + case 0xC3: // SOF3 + + case 0xC5: // SOF5 + case 0xC6: // SOF6 + case 0xC7: // SOF7 + + case 0xC9: // SOF9 + case 0xCA: // SOF10 + case 0xCB: // SOF11 + + case 0xCD: // SOF13 + case 0xCE: // SOF14 + case 0xCF: // SOF15 + + case 0xC4: // DHT + case 0xCC: // DAC + + case 0xDA: // SOS + case 0xDB: // DQT + case 0xDC: // DNL + case 0xDD: // DRI + case 0xDE: // DHP + case 0xDF: // EXP + + case 0xE0: // APP0 + case 0xE1: // APP1 + case 0xE2: // APP2 + case 0xE3: // APP3 + case 0xE4: // APP4 + case 0xE5: // APP5 + case 0xE6: // APP6 + case 0xE7: // APP7 + case 0xE8: // APP8 + case 0xE9: // APP9 + case 0xEA: // APP10 + case 0xEB: // APP11 + case 0xEC: // APP12 + case 0xED: // APP13 + case 0xEE: // APP14 + case 0xEF: // APP15 + + case 0xFE: // COM + // The marker should be followed by the length of the segment. + markerLength = stream.getUint16(); + if (markerLength > 2) { + // |markerLength| contains the byte length of the marker segment, + // including its own length (2 bytes) and excluding the marker. + stream.skip(markerLength - 2); // Jump to the next marker. + } else { + // The marker length is invalid, resetting the stream position. + stream.skip(-2); + } + break; + } + if (foundEOI) { + break; + } + } + length = stream.pos - startPos; + if (b === -1) { + warn('Inline DCTDecode image stream: ' + + 'EOI marker not found, searching for /EI/ instead.'); + stream.skip(-length); // Reset the stream position. + return this.findDefaultInlineStreamEnd(stream); + } + this.inlineStreamSkipEI(stream); + return length; + }, + /** + * Find the EOD (end-of-data) marker '~>' (i.e. TILDE + GT) of the stream. + * @returns {number} The inline stream length. + */ + findASCII85DecodeInlineStreamEnd: + function Parser_findASCII85DecodeInlineStreamEnd(stream) { + var TILDE = 0x7E, GT = 0x3E; + var startPos = stream.pos, ch, length; + while ((ch = stream.getByte()) !== -1) { + if (ch === TILDE && stream.peekByte() === GT) { + stream.skip(); + break; + } + } + length = stream.pos - startPos; + if (ch === -1) { + warn('Inline ASCII85Decode image stream: ' + + 'EOD marker not found, searching for /EI/ instead.'); + stream.skip(-length); // Reset the stream position. + return this.findDefaultInlineStreamEnd(stream); + } + this.inlineStreamSkipEI(stream); + return length; + }, + /** + * Find the EOD (end-of-data) marker '>' (i.e. GT) of the stream. + * @returns {number} The inline stream length. + */ + findASCIIHexDecodeInlineStreamEnd: + function Parser_findASCIIHexDecodeInlineStreamEnd(stream) { + var GT = 0x3E; + var startPos = stream.pos, ch, length; + while ((ch = stream.getByte()) !== -1) { + if (ch === GT) { + break; + } + } + length = stream.pos - startPos; + if (ch === -1) { + warn('Inline ASCIIHexDecode image stream: ' + + 'EOD marker not found, searching for /EI/ instead.'); + stream.skip(-length); // Reset the stream position. + return this.findDefaultInlineStreamEnd(stream); + } + this.inlineStreamSkipEI(stream); + return length; + }, + /** + * Skip over the /EI/ for streams where we search for an EOD marker. + */ + inlineStreamSkipEI: function Parser_inlineStreamSkipEI(stream) { + var E = 0x45, I = 0x49; + var state = 0, ch; + while ((ch = stream.getByte()) !== -1) { + if (state === 0) { + state = (ch === E) ? 1 : 0; + } else if (state === 1) { + state = (ch === I) ? 2 : 0; + } else if (state === 2) { + break; + } + } + }, + makeInlineImage: function Parser_makeInlineImage(cipherTransform) { + var lexer = this.lexer; + var stream = lexer.stream; + + // Parse dictionary. + var dict = new Dict(this.xref); + while (!isCmd(this.buf1, 'ID') && !isEOF(this.buf1)) { + if (!isName(this.buf1)) { + error('Dictionary key must be a name object'); + } + var key = this.buf1.name; + this.shift(); + if (isEOF(this.buf1)) { + break; + } + dict.set(key, this.getObj(cipherTransform)); + } + + // Extract the name of the first (i.e. the current) image filter. + var filter = dict.get('Filter', 'F'), filterName; + if (isName(filter)) { + filterName = filter.name; + } else if (isArray(filter) && isName(filter[0])) { + filterName = filter[0].name; + } + + // Parse image stream. + var startPos = stream.pos, length, i, ii; + if (filterName === 'DCTDecode' || filterName === 'DCT') { + length = this.findDCTDecodeInlineStreamEnd(stream); + } else if (filterName === 'ASCII85Decide' || filterName === 'A85') { + length = this.findASCII85DecodeInlineStreamEnd(stream); + } else if (filterName === 'ASCIIHexDecode' || filterName === 'AHx') { + length = this.findASCIIHexDecodeInlineStreamEnd(stream); + } else { + length = this.findDefaultInlineStreamEnd(stream); + } + var imageStream = stream.makeSubStream(startPos, length, dict); + + // Cache all images below the MAX_LENGTH_TO_CACHE threshold by their + // adler32 checksum. + var adler32; + if (length < MAX_LENGTH_TO_CACHE) { + var imageBytes = imageStream.getBytes(); + imageStream.reset(); + + var a = 1; + var b = 0; + for (i = 0, ii = imageBytes.length; i < ii; ++i) { + // No modulo required in the loop if imageBytes.length < 5552. + a += imageBytes[i] & 0xff; + b += a; + } + adler32 = ((b % 65521) << 16) | (a % 65521); + + if (this.imageCache.adler32 === adler32) { + this.buf2 = Cmd.get('EI'); + this.shift(); + + this.imageCache[adler32].reset(); + return this.imageCache[adler32]; + } + } + + if (cipherTransform) { + imageStream = cipherTransform.createStream(imageStream, length); + } + + imageStream = this.filter(imageStream, dict, length); + imageStream.dict = dict; + if (adler32 !== undefined) { + imageStream.cacheKey = 'inline_' + length + '_' + adler32; + this.imageCache[adler32] = imageStream; + } + + this.buf2 = Cmd.get('EI'); + this.shift(); + + return imageStream; + }, + makeStream: function Parser_makeStream(dict, cipherTransform) { + var lexer = this.lexer; + var stream = lexer.stream; + + // get stream start position + lexer.skipToNextLine(); + var pos = stream.pos - 1; + + // get length + var length = dict.get('Length'); + if (!isInt(length)) { + info('Bad ' + length + ' attribute in stream'); + length = 0; + } + + // skip over the stream data + stream.pos = pos + length; + lexer.nextChar(); + + // Shift '>>' and check whether the new object marks the end of the stream + if (this.tryShift() && isCmd(this.buf2, 'endstream')) { + this.shift(); // 'stream' + } else { + // bad stream length, scanning for endstream + stream.pos = pos; + var SCAN_BLOCK_SIZE = 2048; + var ENDSTREAM_SIGNATURE_LENGTH = 9; + var ENDSTREAM_SIGNATURE = [0x65, 0x6E, 0x64, 0x73, 0x74, 0x72, 0x65, + 0x61, 0x6D]; + var skipped = 0, found = false, i, j; + while (stream.pos < stream.end) { + var scanBytes = stream.peekBytes(SCAN_BLOCK_SIZE); + var scanLength = scanBytes.length - ENDSTREAM_SIGNATURE_LENGTH; + if (scanLength <= 0) { + break; + } + found = false; + for (i = 0, j = 0; i < scanLength; i++) { + var b = scanBytes[i]; + if (b !== ENDSTREAM_SIGNATURE[j]) { + i -= j; + j = 0; + } else { + j++; + if (j >= ENDSTREAM_SIGNATURE_LENGTH) { + i++; + found = true; + break; + } + } + } + if (found) { + skipped += i - ENDSTREAM_SIGNATURE_LENGTH; + stream.pos += i - ENDSTREAM_SIGNATURE_LENGTH; + break; + } + skipped += scanLength; + stream.pos += scanLength; + } + if (!found) { + error('Missing endstream'); + } + length = skipped; + + lexer.nextChar(); + this.shift(); + this.shift(); + } + this.shift(); // 'endstream' + + stream = stream.makeSubStream(pos, length, dict); + if (cipherTransform) { + stream = cipherTransform.createStream(stream, length); + } + stream = this.filter(stream, dict, length); + stream.dict = dict; + return stream; + }, + filter: function Parser_filter(stream, dict, length) { + var filter = dict.get('Filter', 'F'); + var params = dict.get('DecodeParms', 'DP'); + if (isName(filter)) { + return this.makeFilter(stream, filter.name, length, params); + } + + var maybeLength = length; + if (isArray(filter)) { + var filterArray = filter; + var paramsArray = params; + for (var i = 0, ii = filterArray.length; i < ii; ++i) { + filter = filterArray[i]; + if (!isName(filter)) { + error('Bad filter name: ' + filter); + } + + params = null; + if (isArray(paramsArray) && (i in paramsArray)) { + params = paramsArray[i]; + } + stream = this.makeFilter(stream, filter.name, maybeLength, params); + // after the first stream the length variable is invalid + maybeLength = null; + } + } + return stream; + }, + makeFilter: function Parser_makeFilter(stream, name, maybeLength, params) { + if (stream.dict.get('Length') === 0 && !maybeLength) { + warn('Empty "' + name + '" stream.'); + return new NullStream(stream); + } + try { + if (params && this.xref) { + params = this.xref.fetchIfRef(params); + } + var xrefStreamStats = this.xref.stats.streamTypes; + if (name === 'FlateDecode' || name === 'Fl') { + xrefStreamStats[StreamType.FLATE] = true; + if (params) { + return new PredictorStream(new FlateStream(stream, maybeLength), + maybeLength, params); + } + return new FlateStream(stream, maybeLength); + } + if (name === 'LZWDecode' || name === 'LZW') { + xrefStreamStats[StreamType.LZW] = true; + var earlyChange = 1; + if (params) { + if (params.has('EarlyChange')) { + earlyChange = params.get('EarlyChange'); + } + return new PredictorStream( + new LZWStream(stream, maybeLength, earlyChange), + maybeLength, params); + } + return new LZWStream(stream, maybeLength, earlyChange); + } + if (name === 'DCTDecode' || name === 'DCT') { + xrefStreamStats[StreamType.DCT] = true; + return new JpegStream(stream, maybeLength, stream.dict, this.xref); + } + if (name === 'JPXDecode' || name === 'JPX') { + xrefStreamStats[StreamType.JPX] = true; + return new JpxStream(stream, maybeLength, stream.dict); + } + if (name === 'ASCII85Decode' || name === 'A85') { + xrefStreamStats[StreamType.A85] = true; + return new Ascii85Stream(stream, maybeLength); + } + if (name === 'ASCIIHexDecode' || name === 'AHx') { + xrefStreamStats[StreamType.AHX] = true; + return new AsciiHexStream(stream, maybeLength); + } + if (name === 'CCITTFaxDecode' || name === 'CCF') { + xrefStreamStats[StreamType.CCF] = true; + return new CCITTFaxStream(stream, maybeLength, params); + } + if (name === 'RunLengthDecode' || name === 'RL') { + xrefStreamStats[StreamType.RL] = true; + return new RunLengthStream(stream, maybeLength); + } + if (name === 'JBIG2Decode') { + xrefStreamStats[StreamType.JBIG] = true; + return new Jbig2Stream(stream, maybeLength, stream.dict); + } + warn('filter "' + name + '" not supported yet'); + return stream; + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + warn('Invalid stream: \"' + ex + '\"'); + return new NullStream(stream); + } + } + }; + + return Parser; +})(); + +var Lexer = (function LexerClosure() { + function Lexer(stream, knownCommands) { + this.stream = stream; + this.nextChar(); + + // While lexing, we build up many strings one char at a time. Using += for + // this can result in lots of garbage strings. It's better to build an + // array of single-char strings and then join() them together at the end. + // And reusing a single array (i.e. |this.strBuf|) over and over for this + // purpose uses less memory than using a new array for each string. + this.strBuf = []; + + // The PDFs might have "glued" commands with other commands, operands or + // literals, e.g. "q1". The knownCommands is a dictionary of the valid + // commands and their prefixes. The prefixes are built the following way: + // if there a command that is a prefix of the other valid command or + // literal (e.g. 'f' and 'false') the following prefixes must be included, + // 'fa', 'fal', 'fals'. The prefixes are not needed, if the command has no + // other commands or literals as a prefix. The knowCommands is optional. + this.knownCommands = knownCommands; + } + + Lexer.isSpace = function Lexer_isSpace(ch) { + // Space is one of the following characters: SPACE, TAB, CR or LF. + return (ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A); + }; + + // A '1' in this array means the character is white space. A '1' or + // '2' means the character ends a name or command. + var specialChars = [ + 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, // 0x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 1x + 1, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, // 2x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, // 3x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 4x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, // 5x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 6x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, // 7x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 8x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 9x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ax + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // bx + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // cx + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // dx + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ex + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // fx + ]; + + function toHexDigit(ch) { + if (ch >= 0x30 && ch <= 0x39) { // '0'-'9' + return ch & 0x0F; + } + if ((ch >= 0x41 && ch <= 0x46) || (ch >= 0x61 && ch <= 0x66)) { + // 'A'-'F', 'a'-'f' + return (ch & 0x0F) + 9; + } + return -1; + } + + Lexer.prototype = { + nextChar: function Lexer_nextChar() { + return (this.currentChar = this.stream.getByte()); + }, + peekChar: function Lexer_peekChar() { + return this.stream.peekByte(); + }, + getNumber: function Lexer_getNumber() { + var ch = this.currentChar; + var eNotation = false; + var divideBy = 0; // different from 0 if it's a floating point value + var sign = 1; + + if (ch === 0x2D) { // '-' + sign = -1; + ch = this.nextChar(); + + if (ch === 0x2D) { // '-' + // Ignore double negative (this is consistent with Adobe Reader). + ch = this.nextChar(); + } + } else if (ch === 0x2B) { // '+' + ch = this.nextChar(); + } + if (ch === 0x2E) { // '.' + divideBy = 10; + ch = this.nextChar(); + } + if (ch < 0x30 || ch > 0x39) { // '0' - '9' + error('Invalid number: ' + String.fromCharCode(ch)); + return 0; + } + + var baseValue = ch - 0x30; // '0' + var powerValue = 0; + var powerValueSign = 1; + + while ((ch = this.nextChar()) >= 0) { + if (0x30 <= ch && ch <= 0x39) { // '0' - '9' + var currentDigit = ch - 0x30; // '0' + if (eNotation) { // We are after an 'e' or 'E' + powerValue = powerValue * 10 + currentDigit; + } else { + if (divideBy !== 0) { // We are after a point + divideBy *= 10; + } + baseValue = baseValue * 10 + currentDigit; + } + } else if (ch === 0x2E) { // '.' + if (divideBy === 0) { + divideBy = 1; + } else { + // A number can have only one '.' + break; + } + } else if (ch === 0x2D) { // '-' + // ignore minus signs in the middle of numbers to match + // Adobe's behavior + warn('Badly formated number'); + } else if (ch === 0x45 || ch === 0x65) { // 'E', 'e' + // 'E' can be either a scientific notation or the beginning of a new + // operator + ch = this.peekChar(); + if (ch === 0x2B || ch === 0x2D) { // '+', '-' + powerValueSign = (ch === 0x2D) ? -1 : 1; + this.nextChar(); // Consume the sign character + } else if (ch < 0x30 || ch > 0x39) { // '0' - '9' + // The 'E' must be the beginning of a new operator + break; + } + eNotation = true; + } else { + // the last character doesn't belong to us + break; + } + } + + if (divideBy !== 0) { + baseValue /= divideBy; + } + if (eNotation) { + baseValue *= Math.pow(10, powerValueSign * powerValue); + } + return sign * baseValue; + }, + getString: function Lexer_getString() { + var numParen = 1; + var done = false; + var strBuf = this.strBuf; + strBuf.length = 0; + + var ch = this.nextChar(); + while (true) { + var charBuffered = false; + switch (ch | 0) { + case -1: + warn('Unterminated string'); + done = true; + break; + case 0x28: // '(' + ++numParen; + strBuf.push('('); + break; + case 0x29: // ')' + if (--numParen === 0) { + this.nextChar(); // consume strings ')' + done = true; + } else { + strBuf.push(')'); + } + break; + case 0x5C: // '\\' + ch = this.nextChar(); + switch (ch) { + case -1: + warn('Unterminated string'); + done = true; + break; + case 0x6E: // 'n' + strBuf.push('\n'); + break; + case 0x72: // 'r' + strBuf.push('\r'); + break; + case 0x74: // 't' + strBuf.push('\t'); + break; + case 0x62: // 'b' + strBuf.push('\b'); + break; + case 0x66: // 'f' + strBuf.push('\f'); + break; + case 0x5C: // '\' + case 0x28: // '(' + case 0x29: // ')' + strBuf.push(String.fromCharCode(ch)); + break; + case 0x30: case 0x31: case 0x32: case 0x33: // '0'-'3' + case 0x34: case 0x35: case 0x36: case 0x37: // '4'-'7' + var x = ch & 0x0F; + ch = this.nextChar(); + charBuffered = true; + if (ch >= 0x30 && ch <= 0x37) { // '0'-'7' + x = (x << 3) + (ch & 0x0F); + ch = this.nextChar(); + if (ch >= 0x30 && ch <= 0x37) { // '0'-'7' + charBuffered = false; + x = (x << 3) + (ch & 0x0F); + } + } + strBuf.push(String.fromCharCode(x)); + break; + case 0x0D: // CR + if (this.peekChar() === 0x0A) { // LF + this.nextChar(); + } + break; + case 0x0A: // LF + break; + default: + strBuf.push(String.fromCharCode(ch)); + break; + } + break; + default: + strBuf.push(String.fromCharCode(ch)); + break; + } + if (done) { + break; + } + if (!charBuffered) { + ch = this.nextChar(); + } + } + return strBuf.join(''); + }, + getName: function Lexer_getName() { + var ch, previousCh; + var strBuf = this.strBuf; + strBuf.length = 0; + while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) { + if (ch === 0x23) { // '#' + ch = this.nextChar(); + if (specialChars[ch]) { + warn('Lexer_getName: ' + + 'NUMBER SIGN (#) should be followed by a hexadecimal number.'); + strBuf.push('#'); + break; + } + var x = toHexDigit(ch); + if (x !== -1) { + previousCh = ch; + ch = this.nextChar(); + var x2 = toHexDigit(ch); + if (x2 === -1) { + warn('Lexer_getName: Illegal digit (' + + String.fromCharCode(ch) +') in hexadecimal number.'); + strBuf.push('#', String.fromCharCode(previousCh)); + if (specialChars[ch]) { + break; + } + strBuf.push(String.fromCharCode(ch)); + continue; + } + strBuf.push(String.fromCharCode((x << 4) | x2)); + } else { + strBuf.push('#', String.fromCharCode(ch)); + } + } else { + strBuf.push(String.fromCharCode(ch)); + } + } + if (strBuf.length > 127) { + warn('name token is longer than allowed by the spec: ' + strBuf.length); + } + return Name.get(strBuf.join('')); + }, + getHexString: function Lexer_getHexString() { + var strBuf = this.strBuf; + strBuf.length = 0; + var ch = this.currentChar; + var isFirstHex = true; + var firstDigit; + var secondDigit; + while (true) { + if (ch < 0) { + warn('Unterminated hex string'); + break; + } else if (ch === 0x3E) { // '>' + this.nextChar(); + break; + } else if (specialChars[ch] === 1) { + ch = this.nextChar(); + continue; + } else { + if (isFirstHex) { + firstDigit = toHexDigit(ch); + if (firstDigit === -1) { + warn('Ignoring invalid character "' + ch + '" in hex string'); + ch = this.nextChar(); + continue; + } + } else { + secondDigit = toHexDigit(ch); + if (secondDigit === -1) { + warn('Ignoring invalid character "' + ch + '" in hex string'); + ch = this.nextChar(); + continue; + } + strBuf.push(String.fromCharCode((firstDigit << 4) | secondDigit)); + } + isFirstHex = !isFirstHex; + ch = this.nextChar(); + } + } + return strBuf.join(''); + }, + getObj: function Lexer_getObj() { + // skip whitespace and comments + var comment = false; + var ch = this.currentChar; + while (true) { + if (ch < 0) { + return EOF; + } + if (comment) { + if (ch === 0x0A || ch === 0x0D) { // LF, CR + comment = false; + } + } else if (ch === 0x25) { // '%' + comment = true; + } else if (specialChars[ch] !== 1) { + break; + } + ch = this.nextChar(); + } + + // start reading token + switch (ch | 0) { + case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: // '0'-'4' + case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: // '5'-'9' + case 0x2B: case 0x2D: case 0x2E: // '+', '-', '.' + return this.getNumber(); + case 0x28: // '(' + return this.getString(); + case 0x2F: // '/' + return this.getName(); + // array punctuation + case 0x5B: // '[' + this.nextChar(); + return Cmd.get('['); + case 0x5D: // ']' + this.nextChar(); + return Cmd.get(']'); + // hex string or dict punctuation + case 0x3C: // '<' + ch = this.nextChar(); + if (ch === 0x3C) { + // dict punctuation + this.nextChar(); + return Cmd.get('<<'); + } + return this.getHexString(); + // dict punctuation + case 0x3E: // '>' + ch = this.nextChar(); + if (ch === 0x3E) { + this.nextChar(); + return Cmd.get('>>'); + } + return Cmd.get('>'); + case 0x7B: // '{' + this.nextChar(); + return Cmd.get('{'); + case 0x7D: // '}' + this.nextChar(); + return Cmd.get('}'); + case 0x29: // ')' + error('Illegal character: ' + ch); + break; + } + + // command + var str = String.fromCharCode(ch); + var knownCommands = this.knownCommands; + var knownCommandFound = knownCommands && knownCommands[str] !== undefined; + while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) { + // stop if known command is found and next character does not make + // the str a command + var possibleCommand = str + String.fromCharCode(ch); + if (knownCommandFound && knownCommands[possibleCommand] === undefined) { + break; + } + if (str.length === 128) { + error('Command token too long: ' + str.length); + } + str = possibleCommand; + knownCommandFound = knownCommands && knownCommands[str] !== undefined; + } + if (str === 'true') { + return true; + } + if (str === 'false') { + return false; + } + if (str === 'null') { + return null; + } + return Cmd.get(str); + }, + skipToNextLine: function Lexer_skipToNextLine() { + var ch = this.currentChar; + while (ch >= 0) { + if (ch === 0x0D) { // CR + ch = this.nextChar(); + if (ch === 0x0A) { // LF + this.nextChar(); + } + break; + } else if (ch === 0x0A) { // LF + this.nextChar(); + break; + } + ch = this.nextChar(); + } + } + }; + + return Lexer; +})(); + +var Linearization = { + create: function LinearizationCreate(stream) { + function getInt(name, allowZeroValue) { + var obj = linDict.get(name); + if (isInt(obj) && (allowZeroValue ? obj >= 0 : obj > 0)) { + return obj; + } + throw new Error('The "' + name + '" parameter in the linearization ' + + 'dictionary is invalid.'); + } + function getHints() { + var hints = linDict.get('H'), hintsLength, item; + if (isArray(hints) && + ((hintsLength = hints.length) === 2 || hintsLength === 4)) { + for (var index = 0; index < hintsLength; index++) { + if (!(isInt(item = hints[index]) && item > 0)) { + throw new Error('Hint (' + index + + ') in the linearization dictionary is invalid.'); + } + } + return hints; + } + throw new Error('Hint array in the linearization dictionary is invalid.'); + } + var parser = new Parser(new Lexer(stream), false, null); + var obj1 = parser.getObj(); + var obj2 = parser.getObj(); + var obj3 = parser.getObj(); + var linDict = parser.getObj(); + var obj, length; + if (!(isInt(obj1) && isInt(obj2) && isCmd(obj3, 'obj') && isDict(linDict) && + isNum(obj = linDict.get('Linearized')) && obj > 0)) { + return null; // No valid linearization dictionary found. + } else if ((length = getInt('L')) !== stream.length) { + throw new Error('The "L" parameter in the linearization dictionary ' + + 'does not equal the stream length.'); + } + return { + length: length, + hints: getHints(), + objectNumberFirst: getInt('O'), + endFirst: getInt('E'), + numPages: getInt('N'), + mainXRefEntriesOffset: getInt('T'), + pageFirst: (linDict.has('P') ? getInt('P', true) : 0) + }; + } +}; + +exports.EOF = EOF; +exports.Lexer = Lexer; +exports.Linearization = Linearization; +exports.Parser = Parser; +exports.isEOF = isEOF; + +// TODO refactor to remove dependency on stream.js +coreStream._setCoreParser(exports); +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreCMap = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreParser); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream, coreParser) { + +var Util = sharedUtil.Util; +var assert = sharedUtil.assert; +var error = sharedUtil.error; +var isInt = sharedUtil.isInt; +var isString = sharedUtil.isString; +var warn = sharedUtil.warn; +var isName = corePrimitives.isName; +var isCmd = corePrimitives.isCmd; +var isStream = corePrimitives.isStream; +var StringStream = coreStream.StringStream; +var Lexer = coreParser.Lexer; +var isEOF = coreParser.isEOF; + +var BUILT_IN_CMAPS = [ +// << Start unicode maps. +'Adobe-GB1-UCS2', +'Adobe-CNS1-UCS2', +'Adobe-Japan1-UCS2', +'Adobe-Korea1-UCS2', +// >> End unicode maps. +'78-EUC-H', +'78-EUC-V', +'78-H', +'78-RKSJ-H', +'78-RKSJ-V', +'78-V', +'78ms-RKSJ-H', +'78ms-RKSJ-V', +'83pv-RKSJ-H', +'90ms-RKSJ-H', +'90ms-RKSJ-V', +'90msp-RKSJ-H', +'90msp-RKSJ-V', +'90pv-RKSJ-H', +'90pv-RKSJ-V', +'Add-H', +'Add-RKSJ-H', +'Add-RKSJ-V', +'Add-V', +'Adobe-CNS1-0', +'Adobe-CNS1-1', +'Adobe-CNS1-2', +'Adobe-CNS1-3', +'Adobe-CNS1-4', +'Adobe-CNS1-5', +'Adobe-CNS1-6', +'Adobe-GB1-0', +'Adobe-GB1-1', +'Adobe-GB1-2', +'Adobe-GB1-3', +'Adobe-GB1-4', +'Adobe-GB1-5', +'Adobe-Japan1-0', +'Adobe-Japan1-1', +'Adobe-Japan1-2', +'Adobe-Japan1-3', +'Adobe-Japan1-4', +'Adobe-Japan1-5', +'Adobe-Japan1-6', +'Adobe-Korea1-0', +'Adobe-Korea1-1', +'Adobe-Korea1-2', +'B5-H', +'B5-V', +'B5pc-H', +'B5pc-V', +'CNS-EUC-H', +'CNS-EUC-V', +'CNS1-H', +'CNS1-V', +'CNS2-H', +'CNS2-V', +'ETHK-B5-H', +'ETHK-B5-V', +'ETen-B5-H', +'ETen-B5-V', +'ETenms-B5-H', +'ETenms-B5-V', +'EUC-H', +'EUC-V', +'Ext-H', +'Ext-RKSJ-H', +'Ext-RKSJ-V', +'Ext-V', +'GB-EUC-H', +'GB-EUC-V', +'GB-H', +'GB-V', +'GBK-EUC-H', +'GBK-EUC-V', +'GBK2K-H', +'GBK2K-V', +'GBKp-EUC-H', +'GBKp-EUC-V', +'GBT-EUC-H', +'GBT-EUC-V', +'GBT-H', +'GBT-V', +'GBTpc-EUC-H', +'GBTpc-EUC-V', +'GBpc-EUC-H', +'GBpc-EUC-V', +'H', +'HKdla-B5-H', +'HKdla-B5-V', +'HKdlb-B5-H', +'HKdlb-B5-V', +'HKgccs-B5-H', +'HKgccs-B5-V', +'HKm314-B5-H', +'HKm314-B5-V', +'HKm471-B5-H', +'HKm471-B5-V', +'HKscs-B5-H', +'HKscs-B5-V', +'Hankaku', +'Hiragana', +'KSC-EUC-H', +'KSC-EUC-V', +'KSC-H', +'KSC-Johab-H', +'KSC-Johab-V', +'KSC-V', +'KSCms-UHC-H', +'KSCms-UHC-HW-H', +'KSCms-UHC-HW-V', +'KSCms-UHC-V', +'KSCpc-EUC-H', +'KSCpc-EUC-V', +'Katakana', +'NWP-H', +'NWP-V', +'RKSJ-H', +'RKSJ-V', +'Roman', +'UniCNS-UCS2-H', +'UniCNS-UCS2-V', +'UniCNS-UTF16-H', +'UniCNS-UTF16-V', +'UniCNS-UTF32-H', +'UniCNS-UTF32-V', +'UniCNS-UTF8-H', +'UniCNS-UTF8-V', +'UniGB-UCS2-H', +'UniGB-UCS2-V', +'UniGB-UTF16-H', +'UniGB-UTF16-V', +'UniGB-UTF32-H', +'UniGB-UTF32-V', +'UniGB-UTF8-H', +'UniGB-UTF8-V', +'UniJIS-UCS2-H', +'UniJIS-UCS2-HW-H', +'UniJIS-UCS2-HW-V', +'UniJIS-UCS2-V', +'UniJIS-UTF16-H', +'UniJIS-UTF16-V', +'UniJIS-UTF32-H', +'UniJIS-UTF32-V', +'UniJIS-UTF8-H', +'UniJIS-UTF8-V', +'UniJIS2004-UTF16-H', +'UniJIS2004-UTF16-V', +'UniJIS2004-UTF32-H', +'UniJIS2004-UTF32-V', +'UniJIS2004-UTF8-H', +'UniJIS2004-UTF8-V', +'UniJISPro-UCS2-HW-V', +'UniJISPro-UCS2-V', +'UniJISPro-UTF8-V', +'UniJISX0213-UTF32-H', +'UniJISX0213-UTF32-V', +'UniJISX02132004-UTF32-H', +'UniJISX02132004-UTF32-V', +'UniKS-UCS2-H', +'UniKS-UCS2-V', +'UniKS-UTF16-H', +'UniKS-UTF16-V', +'UniKS-UTF32-H', +'UniKS-UTF32-V', +'UniKS-UTF8-H', +'UniKS-UTF8-V', +'V', +'WP-Symbol']; + +// CMap, not to be confused with TrueType's cmap. +var CMap = (function CMapClosure() { + function CMap(builtInCMap) { + // Codespace ranges are stored as follows: + // [[1BytePairs], [2BytePairs], [3BytePairs], [4BytePairs]] + // where nBytePairs are ranges e.g. [low1, high1, low2, high2, ...] + this.codespaceRanges = [[], [], [], []]; + this.numCodespaceRanges = 0; + // Map entries have one of two forms. + // - cid chars are 16-bit unsigned integers, stored as integers. + // - bf chars are variable-length byte sequences, stored as strings, with + // one byte per character. + this._map = []; + this.name = ''; + this.vertical = false; + this.useCMap = null; + this.builtInCMap = builtInCMap; + } + CMap.prototype = { + addCodespaceRange: function(n, low, high) { + this.codespaceRanges[n - 1].push(low, high); + this.numCodespaceRanges++; + }, + + mapCidRange: function(low, high, dstLow) { + while (low <= high) { + this._map[low++] = dstLow++; + } + }, + + mapBfRange: function(low, high, dstLow) { + var lastByte = dstLow.length - 1; + while (low <= high) { + this._map[low++] = dstLow; + // Only the last byte has to be incremented. + dstLow = dstLow.substr(0, lastByte) + + String.fromCharCode(dstLow.charCodeAt(lastByte) + 1); + } + }, + + mapBfRangeToArray: function(low, high, array) { + var i = 0, ii = array.length; + while (low <= high && i < ii) { + this._map[low] = array[i++]; + ++low; + } + }, + + // This is used for both bf and cid chars. + mapOne: function(src, dst) { + this._map[src] = dst; + }, + + lookup: function(code) { + return this._map[code]; + }, + + contains: function(code) { + return this._map[code] !== undefined; + }, + + forEach: function(callback) { + // Most maps have fewer than 65536 entries, and for those we use normal + // array iteration. But really sparse tables are possible -- e.g. with + // indices in the *billions*. For such tables we use for..in, which isn't + // ideal because it stringifies the indices for all present elements, but + // it does avoid iterating over every undefined entry. + var map = this._map; + var length = map.length; + var i; + if (length <= 0x10000) { + for (i = 0; i < length; i++) { + if (map[i] !== undefined) { + callback(i, map[i]); + } + } + } else { + for (i in this._map) { + callback(i, map[i]); + } + } + }, + + charCodeOf: function(value) { + return this._map.indexOf(value); + }, + + getMap: function() { + return this._map; + }, + + readCharCode: function(str, offset, out) { + var c = 0; + var codespaceRanges = this.codespaceRanges; + var codespaceRangesLen = this.codespaceRanges.length; + // 9.7.6.2 CMap Mapping + // The code length is at most 4. + for (var n = 0; n < codespaceRangesLen; n++) { + c = ((c << 8) | str.charCodeAt(offset + n)) >>> 0; + // Check each codespace range to see if it falls within. + var codespaceRange = codespaceRanges[n]; + for (var k = 0, kk = codespaceRange.length; k < kk;) { + var low = codespaceRange[k++]; + var high = codespaceRange[k++]; + if (c >= low && c <= high) { + out.charcode = c; + out.length = n + 1; + return; + } + } + } + out.charcode = 0; + out.length = 1; + }, + + get length() { + return this._map.length; + }, + + get isIdentityCMap() { + if (!(this.name === 'Identity-H' || this.name === 'Identity-V')) { + return false; + } + if (this._map.length !== 0x10000) { + return false; + } + for (var i = 0; i < 0x10000; i++) { + if (this._map[i] !== i) { + return false; + } + } + return true; + } + }; + return CMap; +})(); + +// A special case of CMap, where the _map array implicitly has a length of +// 65536 and each element is equal to its index. +var IdentityCMap = (function IdentityCMapClosure() { + function IdentityCMap(vertical, n) { + CMap.call(this); + this.vertical = vertical; + this.addCodespaceRange(n, 0, 0xffff); + } + Util.inherit(IdentityCMap, CMap, {}); + + IdentityCMap.prototype = { + addCodespaceRange: CMap.prototype.addCodespaceRange, + + mapCidRange: function(low, high, dstLow) { + error('should not call mapCidRange'); + }, + + mapBfRange: function(low, high, dstLow) { + error('should not call mapBfRange'); + }, + + mapBfRangeToArray: function(low, high, array) { + error('should not call mapBfRangeToArray'); + }, + + mapOne: function(src, dst) { + error('should not call mapCidOne'); + }, + + lookup: function(code) { + return (isInt(code) && code <= 0xffff) ? code : undefined; + }, + + contains: function(code) { + return isInt(code) && code <= 0xffff; + }, + + forEach: function(callback) { + for (var i = 0; i <= 0xffff; i++) { + callback(i, i); + } + }, + + charCodeOf: function(value) { + return (isInt(value) && value <= 0xffff) ? value : -1; + }, + + getMap: function() { + // Sometimes identity maps must be instantiated, but it's rare. + var map = new Array(0x10000); + for (var i = 0; i <= 0xffff; i++) { + map[i] = i; + } + return map; + }, + + readCharCode: CMap.prototype.readCharCode, + + get length() { + return 0x10000; + }, + + get isIdentityCMap() { + error('should not access .isIdentityCMap'); + } + }; + + return IdentityCMap; +})(); + +var BinaryCMapReader = (function BinaryCMapReaderClosure() { + function fetchBinaryData(url) { + var nonBinaryRequest = PDFJS.disableWorker; + var request = new XMLHttpRequest(); + request.open('GET', url, false); + if (!nonBinaryRequest) { + try { + request.responseType = 'arraybuffer'; + nonBinaryRequest = request.responseType !== 'arraybuffer'; + } catch (e) { + nonBinaryRequest = true; + } + } + if (nonBinaryRequest && request.overrideMimeType) { + request.overrideMimeType('text/plain; charset=x-user-defined'); + } + request.send(null); + if (nonBinaryRequest ? !request.responseText : !request.response) { + error('Unable to get binary cMap at: ' + url); + } + if (nonBinaryRequest) { + var data = Array.prototype.map.call(request.responseText, function (ch) { + return ch.charCodeAt(0) & 255; + }); + return new Uint8Array(data); + } + return new Uint8Array(request.response); + } + + function hexToInt(a, size) { + var n = 0; + for (var i = 0; i <= size; i++) { + n = (n << 8) | a[i]; + } + return n >>> 0; + } + + function hexToStr(a, size) { + // This code is hot. Special-case some common values to avoid creating an + // object with subarray(). + if (size === 1) { + return String.fromCharCode(a[0], a[1]); + } + if (size === 3) { + return String.fromCharCode(a[0], a[1], a[2], a[3]); + } + return String.fromCharCode.apply(null, a.subarray(0, size + 1)); + } + + function addHex(a, b, size) { + var c = 0; + for (var i = size; i >= 0; i--) { + c += a[i] + b[i]; + a[i] = c & 255; + c >>= 8; + } + } + + function incHex(a, size) { + var c = 1; + for (var i = size; i >= 0 && c > 0; i--) { + c += a[i]; + a[i] = c & 255; + c >>= 8; + } + } + + var MAX_NUM_SIZE = 16; + var MAX_ENCODED_NUM_SIZE = 19; // ceil(MAX_NUM_SIZE * 7 / 8) + + function BinaryCMapStream(data) { + this.buffer = data; + this.pos = 0; + this.end = data.length; + this.tmpBuf = new Uint8Array(MAX_ENCODED_NUM_SIZE); + } + + BinaryCMapStream.prototype = { + readByte: function () { + if (this.pos >= this.end) { + return -1; + } + return this.buffer[this.pos++]; + }, + readNumber: function () { + var n = 0; + var last; + do { + var b = this.readByte(); + if (b < 0) { + error('unexpected EOF in bcmap'); + } + last = !(b & 0x80); + n = (n << 7) | (b & 0x7F); + } while (!last); + return n; + }, + readSigned: function () { + var n = this.readNumber(); + return (n & 1) ? ~(n >>> 1) : n >>> 1; + }, + readHex: function (num, size) { + num.set(this.buffer.subarray(this.pos, + this.pos + size + 1)); + this.pos += size + 1; + }, + readHexNumber: function (num, size) { + var last; + var stack = this.tmpBuf, sp = 0; + do { + var b = this.readByte(); + if (b < 0) { + error('unexpected EOF in bcmap'); + } + last = !(b & 0x80); + stack[sp++] = b & 0x7F; + } while (!last); + var i = size, buffer = 0, bufferSize = 0; + while (i >= 0) { + while (bufferSize < 8 && stack.length > 0) { + buffer = (stack[--sp] << bufferSize) | buffer; + bufferSize += 7; + } + num[i] = buffer & 255; + i--; + buffer >>= 8; + bufferSize -= 8; + } + }, + readHexSigned: function (num, size) { + this.readHexNumber(num, size); + var sign = num[size] & 1 ? 255 : 0; + var c = 0; + for (var i = 0; i <= size; i++) { + c = ((c & 1) << 8) | num[i]; + num[i] = (c >> 1) ^ sign; + } + }, + readString: function () { + var len = this.readNumber(); + var s = ''; + for (var i = 0; i < len; i++) { + s += String.fromCharCode(this.readNumber()); + } + return s; + } + }; + + function processBinaryCMap(url, cMap, extend) { + var data = fetchBinaryData(url); + var stream = new BinaryCMapStream(data); + + var header = stream.readByte(); + cMap.vertical = !!(header & 1); + + var useCMap = null; + var start = new Uint8Array(MAX_NUM_SIZE); + var end = new Uint8Array(MAX_NUM_SIZE); + var char = new Uint8Array(MAX_NUM_SIZE); + var charCode = new Uint8Array(MAX_NUM_SIZE); + var tmp = new Uint8Array(MAX_NUM_SIZE); + var code; + + var b; + while ((b = stream.readByte()) >= 0) { + var type = b >> 5; + if (type === 7) { // metadata, e.g. comment or usecmap + switch (b & 0x1F) { + case 0: + stream.readString(); // skipping comment + break; + case 1: + useCMap = stream.readString(); + break; + } + continue; + } + var sequence = !!(b & 0x10); + var dataSize = b & 15; + + assert(dataSize + 1 <= MAX_NUM_SIZE); + + var ucs2DataSize = 1; + var subitemsCount = stream.readNumber(); + var i; + switch (type) { + case 0: // codespacerange + stream.readHex(start, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), + hexToInt(end, dataSize)); + for (i = 1; i < subitemsCount; i++) { + incHex(end, dataSize); + stream.readHexNumber(start, dataSize); + addHex(start, end, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), + hexToInt(end, dataSize)); + } + break; + case 1: // notdefrange + stream.readHex(start, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + code = stream.readNumber(); + // undefined range, skipping + for (i = 1; i < subitemsCount; i++) { + incHex(end, dataSize); + stream.readHexNumber(start, dataSize); + addHex(start, end, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + code = stream.readNumber(); + // nop + } + break; + case 2: // cidchar + stream.readHex(char, dataSize); + code = stream.readNumber(); + cMap.mapOne(hexToInt(char, dataSize), code); + for (i = 1; i < subitemsCount; i++) { + incHex(char, dataSize); + if (!sequence) { + stream.readHexNumber(tmp, dataSize); + addHex(char, tmp, dataSize); + } + code = stream.readSigned() + (code + 1); + cMap.mapOne(hexToInt(char, dataSize), code); + } + break; + case 3: // cidrange + stream.readHex(start, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + code = stream.readNumber(); + cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), + code); + for (i = 1; i < subitemsCount; i++) { + incHex(end, dataSize); + if (!sequence) { + stream.readHexNumber(start, dataSize); + addHex(start, end, dataSize); + } else { + start.set(end); + } + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + code = stream.readNumber(); + cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), + code); + } + break; + case 4: // bfchar + stream.readHex(char, ucs2DataSize); + stream.readHex(charCode, dataSize); + cMap.mapOne(hexToInt(char, ucs2DataSize), + hexToStr(charCode, dataSize)); + for (i = 1; i < subitemsCount; i++) { + incHex(char, ucs2DataSize); + if (!sequence) { + stream.readHexNumber(tmp, ucs2DataSize); + addHex(char, tmp, ucs2DataSize); + } + incHex(charCode, dataSize); + stream.readHexSigned(tmp, dataSize); + addHex(charCode, tmp, dataSize); + cMap.mapOne(hexToInt(char, ucs2DataSize), + hexToStr(charCode, dataSize)); + } + break; + case 5: // bfrange + stream.readHex(start, ucs2DataSize); + stream.readHexNumber(end, ucs2DataSize); + addHex(end, start, ucs2DataSize); + stream.readHex(charCode, dataSize); + cMap.mapBfRange(hexToInt(start, ucs2DataSize), + hexToInt(end, ucs2DataSize), + hexToStr(charCode, dataSize)); + for (i = 1; i < subitemsCount; i++) { + incHex(end, ucs2DataSize); + if (!sequence) { + stream.readHexNumber(start, ucs2DataSize); + addHex(start, end, ucs2DataSize); + } else { + start.set(end); + } + stream.readHexNumber(end, ucs2DataSize); + addHex(end, start, ucs2DataSize); + stream.readHex(charCode, dataSize); + cMap.mapBfRange(hexToInt(start, ucs2DataSize), + hexToInt(end, ucs2DataSize), + hexToStr(charCode, dataSize)); + } + break; + default: + error('Unknown type: ' + type); + break; + } + } + + if (useCMap) { + extend(useCMap); + } + return cMap; + } + + function BinaryCMapReader() {} + + BinaryCMapReader.prototype = { + read: processBinaryCMap + }; + + return BinaryCMapReader; +})(); + +var CMapFactory = (function CMapFactoryClosure() { + function strToInt(str) { + var a = 0; + for (var i = 0; i < str.length; i++) { + a = (a << 8) | str.charCodeAt(i); + } + return a >>> 0; + } + + function expectString(obj) { + if (!isString(obj)) { + error('Malformed CMap: expected string.'); + } + } + + function expectInt(obj) { + if (!isInt(obj)) { + error('Malformed CMap: expected int.'); + } + } + + function parseBfChar(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endbfchar')) { + return; + } + expectString(obj); + var src = strToInt(obj); + obj = lexer.getObj(); + // TODO are /dstName used? + expectString(obj); + var dst = obj; + cMap.mapOne(src, dst); + } + } + + function parseBfRange(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endbfrange')) { + return; + } + expectString(obj); + var low = strToInt(obj); + obj = lexer.getObj(); + expectString(obj); + var high = strToInt(obj); + obj = lexer.getObj(); + if (isInt(obj) || isString(obj)) { + var dstLow = isInt(obj) ? String.fromCharCode(obj) : obj; + cMap.mapBfRange(low, high, dstLow); + } else if (isCmd(obj, '[')) { + obj = lexer.getObj(); + var array = []; + while (!isCmd(obj, ']') && !isEOF(obj)) { + array.push(obj); + obj = lexer.getObj(); + } + cMap.mapBfRangeToArray(low, high, array); + } else { + break; + } + } + error('Invalid bf range.'); + } + + function parseCidChar(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endcidchar')) { + return; + } + expectString(obj); + var src = strToInt(obj); + obj = lexer.getObj(); + expectInt(obj); + var dst = obj; + cMap.mapOne(src, dst); + } + } + + function parseCidRange(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endcidrange')) { + return; + } + expectString(obj); + var low = strToInt(obj); + obj = lexer.getObj(); + expectString(obj); + var high = strToInt(obj); + obj = lexer.getObj(); + expectInt(obj); + var dstLow = obj; + cMap.mapCidRange(low, high, dstLow); + } + } + + function parseCodespaceRange(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endcodespacerange')) { + return; + } + if (!isString(obj)) { + break; + } + var low = strToInt(obj); + obj = lexer.getObj(); + if (!isString(obj)) { + break; + } + var high = strToInt(obj); + cMap.addCodespaceRange(obj.length, low, high); + } + error('Invalid codespace range.'); + } + + function parseWMode(cMap, lexer) { + var obj = lexer.getObj(); + if (isInt(obj)) { + cMap.vertical = !!obj; + } + } + + function parseCMapName(cMap, lexer) { + var obj = lexer.getObj(); + if (isName(obj) && isString(obj.name)) { + cMap.name = obj.name; + } + } + + function parseCMap(cMap, lexer, builtInCMapParams, useCMap) { + var previous; + var embededUseCMap; + objLoop: while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } else if (isName(obj)) { + if (obj.name === 'WMode') { + parseWMode(cMap, lexer); + } else if (obj.name === 'CMapName') { + parseCMapName(cMap, lexer); + } + previous = obj; + } else if (isCmd(obj)) { + switch (obj.cmd) { + case 'endcmap': + break objLoop; + case 'usecmap': + if (isName(previous)) { + embededUseCMap = previous.name; + } + break; + case 'begincodespacerange': + parseCodespaceRange(cMap, lexer); + break; + case 'beginbfchar': + parseBfChar(cMap, lexer); + break; + case 'begincidchar': + parseCidChar(cMap, lexer); + break; + case 'beginbfrange': + parseBfRange(cMap, lexer); + break; + case 'begincidrange': + parseCidRange(cMap, lexer); + break; + } + } + } + + if (!useCMap && embededUseCMap) { + // Load the usecmap definition from the file only if there wasn't one + // specified. + useCMap = embededUseCMap; + } + if (useCMap) { + extendCMap(cMap, builtInCMapParams, useCMap); + } + } + + function extendCMap(cMap, builtInCMapParams, useCMap) { + cMap.useCMap = createBuiltInCMap(useCMap, builtInCMapParams); + // If there aren't any code space ranges defined clone all the parent ones + // into this cMap. + if (cMap.numCodespaceRanges === 0) { + var useCodespaceRanges = cMap.useCMap.codespaceRanges; + for (var i = 0; i < useCodespaceRanges.length; i++) { + cMap.codespaceRanges[i] = useCodespaceRanges[i].slice(); + } + cMap.numCodespaceRanges = cMap.useCMap.numCodespaceRanges; + } + // Merge the map into the current one, making sure not to override + // any previously defined entries. + cMap.useCMap.forEach(function(key, value) { + if (!cMap.contains(key)) { + cMap.mapOne(key, cMap.useCMap.lookup(key)); + } + }); + } + + function parseBinaryCMap(name, builtInCMapParams) { + var url = builtInCMapParams.url + name + '.bcmap'; + var cMap = new CMap(true); + new BinaryCMapReader().read(url, cMap, function (useCMap) { + extendCMap(cMap, builtInCMapParams, useCMap); + }); + return cMap; + } + + function createBuiltInCMap(name, builtInCMapParams) { + if (name === 'Identity-H') { + return new IdentityCMap(false, 2); + } else if (name === 'Identity-V') { + return new IdentityCMap(true, 2); + } + if (BUILT_IN_CMAPS.indexOf(name) === -1) { + error('Unknown cMap name: ' + name); + } + assert(builtInCMapParams, 'built-in cMap parameters are not provided'); + + if (builtInCMapParams.packed) { + return parseBinaryCMap(name, builtInCMapParams); + } + + var request = new XMLHttpRequest(); + var url = builtInCMapParams.url + name; + request.open('GET', url, false); + request.send(null); + if (!request.responseText) { + error('Unable to get cMap at: ' + url); + } + var cMap = new CMap(true); + var lexer = new Lexer(new StringStream(request.responseText)); + parseCMap(cMap, lexer, builtInCMapParams, null); + return cMap; + } + + return { + create: function (encoding, builtInCMapParams, useCMap) { + if (isName(encoding)) { + return createBuiltInCMap(encoding.name, builtInCMapParams); + } else if (isStream(encoding)) { + var cMap = new CMap(); + var lexer = new Lexer(encoding); + try { + parseCMap(cMap, lexer, builtInCMapParams, useCMap); + } catch (e) { + warn('Invalid CMap data. ' + e); + } + if (cMap.isIdentityCMap) { + return createBuiltInCMap(cMap.name, builtInCMapParams); + } + return cMap; + } + error('Encoding required.'); + } + }; +})(); + +exports.CMap = CMap; +exports.CMapFactory = CMapFactory; +exports.IdentityCMap = IdentityCMap; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreObj = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreCrypto, root.pdfjsCoreParser, + root.pdfjsCoreChunkedStream); + } +}(this, function (exports, sharedUtil, corePrimitives, coreCrypto, coreParser, + coreChunkedStream) { + +var InvalidPDFException = sharedUtil.InvalidPDFException; +var MissingDataException = sharedUtil.MissingDataException; +var XRefParseException = sharedUtil.XRefParseException; +var assert = sharedUtil.assert; +var bytesToString = sharedUtil.bytesToString; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isInt = sharedUtil.isInt; +var isString = sharedUtil.isString; +var shadow = sharedUtil.shadow; +var stringToPDFString = sharedUtil.stringToPDFString; +var stringToUTF8String = sharedUtil.stringToUTF8String; +var warn = sharedUtil.warn; +var Ref = corePrimitives.Ref; +var RefSet = corePrimitives.RefSet; +var RefSetCache = corePrimitives.RefSetCache; +var isName = corePrimitives.isName; +var isCmd = corePrimitives.isCmd; +var isDict = corePrimitives.isDict; +var isRef = corePrimitives.isRef; +var isStream = corePrimitives.isStream; +var CipherTransformFactory = coreCrypto.CipherTransformFactory; +var Lexer = coreParser.Lexer; +var Parser = coreParser.Parser; +var ChunkedStream = coreChunkedStream.ChunkedStream; + +var Catalog = (function CatalogClosure() { + function Catalog(pdfManager, xref, pageFactory) { + this.pdfManager = pdfManager; + this.xref = xref; + this.catDict = xref.getCatalogObj(); + this.fontCache = new RefSetCache(); + assert(isDict(this.catDict), + 'catalog object is not a dictionary'); + + // TODO refactor to move getPage() to the PDFDocument. + this.pageFactory = pageFactory; + this.pagePromises = []; + } + + Catalog.prototype = { + get metadata() { + var streamRef = this.catDict.getRaw('Metadata'); + if (!isRef(streamRef)) { + return shadow(this, 'metadata', null); + } + + var encryptMetadata = (!this.xref.encrypt ? false : + this.xref.encrypt.encryptMetadata); + + var stream = this.xref.fetch(streamRef, !encryptMetadata); + var metadata; + if (stream && isDict(stream.dict)) { + var type = stream.dict.get('Type'); + var subtype = stream.dict.get('Subtype'); + + if (isName(type) && isName(subtype) && + type.name === 'Metadata' && subtype.name === 'XML') { + // XXX: This should examine the charset the XML document defines, + // however since there are currently no real means to decode + // arbitrary charsets, let's just hope that the author of the PDF + // was reasonable enough to stick with the XML default charset, + // which is UTF-8. + try { + metadata = stringToUTF8String(bytesToString(stream.getBytes())); + } catch (e) { + info('Skipping invalid metadata.'); + } + } + } + + return shadow(this, 'metadata', metadata); + }, + get toplevelPagesDict() { + var pagesObj = this.catDict.get('Pages'); + assert(isDict(pagesObj), 'invalid top-level pages dictionary'); + // shadow the prototype getter + return shadow(this, 'toplevelPagesDict', pagesObj); + }, + get documentOutline() { + var obj = null; + try { + obj = this.readDocumentOutline(); + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + warn('Unable to read document outline'); + } + return shadow(this, 'documentOutline', obj); + }, + readDocumentOutline: function Catalog_readDocumentOutline() { + var xref = this.xref; + var obj = this.catDict.get('Outlines'); + var root = { items: [] }; + if (isDict(obj)) { + obj = obj.getRaw('First'); + var processed = new RefSet(); + if (isRef(obj)) { + var queue = [{obj: obj, parent: root}]; + // to avoid recursion keeping track of the items + // in the processed dictionary + processed.put(obj); + while (queue.length > 0) { + var i = queue.shift(); + var outlineDict = xref.fetchIfRef(i.obj); + if (outlineDict === null) { + continue; + } + if (!outlineDict.has('Title')) { + error('Invalid outline item'); + } + var dest = outlineDict.get('A'); + if (dest) { + dest = dest.get('D'); + } else if (outlineDict.has('Dest')) { + dest = outlineDict.getRaw('Dest'); + if (isName(dest)) { + dest = dest.name; + } + } + var title = outlineDict.get('Title'); + var outlineItem = { + dest: dest, + title: stringToPDFString(title), + color: outlineDict.get('C') || [0, 0, 0], + count: outlineDict.get('Count'), + bold: !!(outlineDict.get('F') & 2), + italic: !!(outlineDict.get('F') & 1), + items: [] + }; + i.parent.items.push(outlineItem); + obj = outlineDict.getRaw('First'); + if (isRef(obj) && !processed.has(obj)) { + queue.push({obj: obj, parent: outlineItem}); + processed.put(obj); + } + obj = outlineDict.getRaw('Next'); + if (isRef(obj) && !processed.has(obj)) { + queue.push({obj: obj, parent: i.parent}); + processed.put(obj); + } + } + } + } + return (root.items.length > 0 ? root.items : null); + }, + get numPages() { + var obj = this.toplevelPagesDict.get('Count'); + assert( + isInt(obj), + 'page count in top level pages object is not an integer' + ); + // shadow the prototype getter + return shadow(this, 'num', obj); + }, + get destinations() { + function fetchDestination(dest) { + return isDict(dest) ? dest.get('D') : dest; + } + + var xref = this.xref; + var dests = {}, nameTreeRef, nameDictionaryRef; + var obj = this.catDict.get('Names'); + if (obj && obj.has('Dests')) { + nameTreeRef = obj.getRaw('Dests'); + } else if (this.catDict.has('Dests')) { + nameDictionaryRef = this.catDict.get('Dests'); + } + + if (nameDictionaryRef) { + // reading simple destination dictionary + obj = nameDictionaryRef; + obj.forEach(function catalogForEach(key, value) { + if (!value) { + return; + } + dests[key] = fetchDestination(value); + }); + } + if (nameTreeRef) { + var nameTree = new NameTree(nameTreeRef, xref); + var names = nameTree.getAll(); + for (var name in names) { + if (!names.hasOwnProperty(name)) { + continue; + } + dests[name] = fetchDestination(names[name]); + } + } + return shadow(this, 'destinations', dests); + }, + getDestination: function Catalog_getDestination(destinationId) { + function fetchDestination(dest) { + return isDict(dest) ? dest.get('D') : dest; + } + + var xref = this.xref; + var dest = null, nameTreeRef, nameDictionaryRef; + var obj = this.catDict.get('Names'); + if (obj && obj.has('Dests')) { + nameTreeRef = obj.getRaw('Dests'); + } else if (this.catDict.has('Dests')) { + nameDictionaryRef = this.catDict.get('Dests'); + } + + if (nameDictionaryRef) { // Simple destination dictionary. + var value = nameDictionaryRef.get(destinationId); + if (value) { + dest = fetchDestination(value); + } + } + if (nameTreeRef) { + var nameTree = new NameTree(nameTreeRef, xref); + dest = fetchDestination(nameTree.get(destinationId)); + } + return dest; + }, + get attachments() { + var xref = this.xref; + var attachments = null, nameTreeRef; + var obj = this.catDict.get('Names'); + if (obj) { + nameTreeRef = obj.getRaw('EmbeddedFiles'); + } + + if (nameTreeRef) { + var nameTree = new NameTree(nameTreeRef, xref); + var names = nameTree.getAll(); + for (var name in names) { + if (!names.hasOwnProperty(name)) { + continue; + } + var fs = new FileSpec(names[name], xref); + if (!attachments) { + attachments = {}; + } + attachments[stringToPDFString(name)] = fs.serializable; + } + } + return shadow(this, 'attachments', attachments); + }, + get javaScript() { + var xref = this.xref; + var obj = this.catDict.get('Names'); + + var javaScript = []; + function appendIfJavaScriptDict(jsDict) { + var type = jsDict.get('S'); + if (!isName(type) || type.name !== 'JavaScript') { + return; + } + var js = jsDict.get('JS'); + if (isStream(js)) { + js = bytesToString(js.getBytes()); + } else if (!isString(js)) { + return; + } + javaScript.push(stringToPDFString(js)); + } + if (obj && obj.has('JavaScript')) { + var nameTree = new NameTree(obj.getRaw('JavaScript'), xref); + var names = nameTree.getAll(); + for (var name in names) { + if (!names.hasOwnProperty(name)) { + continue; + } + // We don't really use the JavaScript right now. This code is + // defensive so we don't cause errors on document load. + var jsDict = names[name]; + if (isDict(jsDict)) { + appendIfJavaScriptDict(jsDict); + } + } + } + + // Append OpenAction actions to javaScript array + var openactionDict = this.catDict.get('OpenAction'); + if (isDict(openactionDict, 'Action')) { + var actionType = openactionDict.get('S'); + if (isName(actionType) && actionType.name === 'Named') { + // The named Print action is not a part of the PDF 1.7 specification, + // but is supported by many PDF readers/writers (including Adobe's). + var action = openactionDict.get('N'); + if (isName(action) && action.name === 'Print') { + javaScript.push('print({});'); + } + } else { + appendIfJavaScriptDict(openactionDict); + } + } + + return shadow(this, 'javaScript', javaScript); + }, + + cleanup: function Catalog_cleanup() { + var promises = []; + this.fontCache.forEach(function (promise) { + promises.push(promise); + }); + return Promise.all(promises).then(function (translatedFonts) { + for (var i = 0, ii = translatedFonts.length; i < ii; i++) { + var font = translatedFonts[i].dict; + delete font.translated; + } + this.fontCache.clear(); + }.bind(this)); + }, + + getPage: function Catalog_getPage(pageIndex) { + if (!(pageIndex in this.pagePromises)) { + this.pagePromises[pageIndex] = this.getPageDict(pageIndex).then( + function (a) { + var dict = a[0]; + var ref = a[1]; + return this.pageFactory.createPage(pageIndex, dict, ref, + this.fontCache); + }.bind(this) + ); + } + return this.pagePromises[pageIndex]; + }, + + getPageDict: function Catalog_getPageDict(pageIndex) { + var capability = createPromiseCapability(); + var nodesToVisit = [this.catDict.getRaw('Pages')]; + var currentPageIndex = 0; + var xref = this.xref; + var checkAllKids = false; + + function next() { + while (nodesToVisit.length) { + var currentNode = nodesToVisit.pop(); + + if (isRef(currentNode)) { + xref.fetchAsync(currentNode).then(function (obj) { + if (isDict(obj, 'Page') || (isDict(obj) && !obj.has('Kids'))) { + if (pageIndex === currentPageIndex) { + capability.resolve([obj, currentNode]); + } else { + currentPageIndex++; + next(); + } + return; + } + nodesToVisit.push(obj); + next(); + }, capability.reject); + return; + } + + // Must be a child page dictionary. + assert( + isDict(currentNode), + 'page dictionary kid reference points to wrong type of object' + ); + var count = currentNode.get('Count'); + // If the current node doesn't have any children, avoid getting stuck + // in an empty node further down in the tree (see issue5644.pdf). + if (count === 0) { + checkAllKids = true; + } + // Skip nodes where the page can't be. + if (currentPageIndex + count <= pageIndex) { + currentPageIndex += count; + continue; + } + + var kids = currentNode.get('Kids'); + assert(isArray(kids), 'page dictionary kids object is not an array'); + if (!checkAllKids && count === kids.length) { + // Nodes that don't have the page have been skipped and this is the + // bottom of the tree which means the page requested must be a + // descendant of this pages node. Ideally we would just resolve the + // promise with the page ref here, but there is the case where more + // pages nodes could link to single a page (see issue 3666 pdf). To + // handle this push it back on the queue so if it is a pages node it + // will be descended into. + nodesToVisit = [kids[pageIndex - currentPageIndex]]; + currentPageIndex = pageIndex; + continue; + } else { + for (var last = kids.length - 1; last >= 0; last--) { + nodesToVisit.push(kids[last]); + } + } + } + capability.reject('Page index ' + pageIndex + ' not found.'); + } + next(); + return capability.promise; + }, + + getPageIndex: function Catalog_getPageIndex(ref) { + // The page tree nodes have the count of all the leaves below them. To get + // how many pages are before we just have to walk up the tree and keep + // adding the count of siblings to the left of the node. + var xref = this.xref; + function pagesBeforeRef(kidRef) { + var total = 0; + var parentRef; + return xref.fetchAsync(kidRef).then(function (node) { + if (!node) { + return null; + } + parentRef = node.getRaw('Parent'); + return node.getAsync('Parent'); + }).then(function (parent) { + if (!parent) { + return null; + } + return parent.getAsync('Kids'); + }).then(function (kids) { + if (!kids) { + return null; + } + var kidPromises = []; + var found = false; + for (var i = 0; i < kids.length; i++) { + var kid = kids[i]; + assert(isRef(kid), 'kids must be a ref'); + if (kid.num === kidRef.num) { + found = true; + break; + } + kidPromises.push(xref.fetchAsync(kid).then(function (kid) { + if (kid.has('Count')) { + var count = kid.get('Count'); + total += count; + } else { // page leaf node + total++; + } + })); + } + if (!found) { + error('kid ref not found in parents kids'); + } + return Promise.all(kidPromises).then(function () { + return [total, parentRef]; + }); + }); + } + + var total = 0; + function next(ref) { + return pagesBeforeRef(ref).then(function (args) { + if (!args) { + return total; + } + var count = args[0]; + var parentRef = args[1]; + total += count; + return next(parentRef); + }); + } + + return next(ref); + } + }; + + return Catalog; +})(); + +var XRef = (function XRefClosure() { + function XRef(stream, password) { + this.stream = stream; + this.entries = []; + this.xrefstms = {}; + // prepare the XRef cache + this.cache = []; + this.password = password; + this.stats = { + streamTypes: [], + fontTypes: [] + }; + } + + XRef.prototype = { + setStartXRef: function XRef_setStartXRef(startXRef) { + // Store the starting positions of xref tables as we process them + // so we can recover from missing data errors + this.startXRefQueue = [startXRef]; + }, + + parse: function XRef_parse(recoveryMode) { + var trailerDict; + if (!recoveryMode) { + trailerDict = this.readXRef(); + } else { + warn('Indexing all PDF objects'); + trailerDict = this.indexObjects(); + } + trailerDict.assignXref(this); + this.trailer = trailerDict; + var encrypt = trailerDict.get('Encrypt'); + if (encrypt) { + var ids = trailerDict.get('ID'); + var fileId = (ids && ids.length) ? ids[0] : ''; + this.encrypt = new CipherTransformFactory(encrypt, fileId, + this.password); + } + + // get the root dictionary (catalog) object + if (!(this.root = trailerDict.get('Root'))) { + error('Invalid root reference'); + } + }, + + processXRefTable: function XRef_processXRefTable(parser) { + if (!('tableState' in this)) { + // Stores state of the table as we process it so we can resume + // from middle of table in case of missing data error + this.tableState = { + entryNum: 0, + streamPos: parser.lexer.stream.pos, + parserBuf1: parser.buf1, + parserBuf2: parser.buf2 + }; + } + + var obj = this.readXRefTable(parser); + + // Sanity check + if (!isCmd(obj, 'trailer')) { + error('Invalid XRef table: could not find trailer dictionary'); + } + // Read trailer dictionary, e.g. + // trailer + // << /Size 22 + // /Root 20R + // /Info 10R + // /ID [ <81b14aafa313db63dbd6f981e49f94f4> ] + // >> + // The parser goes through the entire stream << ... >> and provides + // a getter interface for the key-value table + var dict = parser.getObj(); + + // The pdflib PDF generator can generate a nested trailer dictionary + if (!isDict(dict) && dict.dict) { + dict = dict.dict; + } + if (!isDict(dict)) { + error('Invalid XRef table: could not parse trailer dictionary'); + } + delete this.tableState; + + return dict; + }, + + readXRefTable: function XRef_readXRefTable(parser) { + // Example of cross-reference table: + // xref + // 0 1 <-- subsection header (first obj #, obj count) + // 0000000000 65535 f <-- actual object (offset, generation #, f/n) + // 23 2 <-- subsection header ... and so on ... + // 0000025518 00002 n + // 0000025635 00000 n + // trailer + // ... + + var stream = parser.lexer.stream; + var tableState = this.tableState; + stream.pos = tableState.streamPos; + parser.buf1 = tableState.parserBuf1; + parser.buf2 = tableState.parserBuf2; + + // Outer loop is over subsection headers + var obj; + + while (true) { + if (!('firstEntryNum' in tableState) || !('entryCount' in tableState)) { + if (isCmd(obj = parser.getObj(), 'trailer')) { + break; + } + tableState.firstEntryNum = obj; + tableState.entryCount = parser.getObj(); + } + + var first = tableState.firstEntryNum; + var count = tableState.entryCount; + if (!isInt(first) || !isInt(count)) { + error('Invalid XRef table: wrong types in subsection header'); + } + // Inner loop is over objects themselves + for (var i = tableState.entryNum; i < count; i++) { + tableState.streamPos = stream.pos; + tableState.entryNum = i; + tableState.parserBuf1 = parser.buf1; + tableState.parserBuf2 = parser.buf2; + + var entry = {}; + entry.offset = parser.getObj(); + entry.gen = parser.getObj(); + var type = parser.getObj(); + + if (isCmd(type, 'f')) { + entry.free = true; + } else if (isCmd(type, 'n')) { + entry.uncompressed = true; + } + + // Validate entry obj + if (!isInt(entry.offset) || !isInt(entry.gen) || + !(entry.free || entry.uncompressed)) { + error('Invalid entry in XRef subsection: ' + first + ', ' + count); + } + + if (!this.entries[i + first]) { + this.entries[i + first] = entry; + } + } + + tableState.entryNum = 0; + tableState.streamPos = stream.pos; + tableState.parserBuf1 = parser.buf1; + tableState.parserBuf2 = parser.buf2; + delete tableState.firstEntryNum; + delete tableState.entryCount; + } + + // Per issue 3248: hp scanners generate bad XRef + if (first === 1 && this.entries[1] && this.entries[1].free) { + // shifting the entries + this.entries.shift(); + } + + // Sanity check: as per spec, first object must be free + if (this.entries[0] && !this.entries[0].free) { + error('Invalid XRef table: unexpected first object'); + } + return obj; + }, + + processXRefStream: function XRef_processXRefStream(stream) { + if (!('streamState' in this)) { + // Stores state of the stream as we process it so we can resume + // from middle of stream in case of missing data error + var streamParameters = stream.dict; + var byteWidths = streamParameters.get('W'); + var range = streamParameters.get('Index'); + if (!range) { + range = [0, streamParameters.get('Size')]; + } + + this.streamState = { + entryRanges: range, + byteWidths: byteWidths, + entryNum: 0, + streamPos: stream.pos + }; + } + this.readXRefStream(stream); + delete this.streamState; + + return stream.dict; + }, + + readXRefStream: function XRef_readXRefStream(stream) { + var i, j; + var streamState = this.streamState; + stream.pos = streamState.streamPos; + + var byteWidths = streamState.byteWidths; + var typeFieldWidth = byteWidths[0]; + var offsetFieldWidth = byteWidths[1]; + var generationFieldWidth = byteWidths[2]; + + var entryRanges = streamState.entryRanges; + while (entryRanges.length > 0) { + var first = entryRanges[0]; + var n = entryRanges[1]; + + if (!isInt(first) || !isInt(n)) { + error('Invalid XRef range fields: ' + first + ', ' + n); + } + if (!isInt(typeFieldWidth) || !isInt(offsetFieldWidth) || + !isInt(generationFieldWidth)) { + error('Invalid XRef entry fields length: ' + first + ', ' + n); + } + for (i = streamState.entryNum; i < n; ++i) { + streamState.entryNum = i; + streamState.streamPos = stream.pos; + + var type = 0, offset = 0, generation = 0; + for (j = 0; j < typeFieldWidth; ++j) { + type = (type << 8) | stream.getByte(); + } + // if type field is absent, its default value is 1 + if (typeFieldWidth === 0) { + type = 1; + } + for (j = 0; j < offsetFieldWidth; ++j) { + offset = (offset << 8) | stream.getByte(); + } + for (j = 0; j < generationFieldWidth; ++j) { + generation = (generation << 8) | stream.getByte(); + } + var entry = {}; + entry.offset = offset; + entry.gen = generation; + switch (type) { + case 0: + entry.free = true; + break; + case 1: + entry.uncompressed = true; + break; + case 2: + break; + default: + error('Invalid XRef entry type: ' + type); + } + if (!this.entries[first + i]) { + this.entries[first + i] = entry; + } + } + + streamState.entryNum = 0; + streamState.streamPos = stream.pos; + entryRanges.splice(0, 2); + } + }, + + indexObjects: function XRef_indexObjects() { + // Simple scan through the PDF content to find objects, + // trailers and XRef streams. + var TAB = 0x9, LF = 0xA, CR = 0xD, SPACE = 0x20; + var PERCENT = 0x25, LT = 0x3C; + + function readToken(data, offset) { + var token = '', ch = data[offset]; + while (ch !== LF && ch !== CR && ch !== LT) { + if (++offset >= data.length) { + break; + } + token += String.fromCharCode(ch); + ch = data[offset]; + } + return token; + } + function skipUntil(data, offset, what) { + var length = what.length, dataLength = data.length; + var skipped = 0; + // finding byte sequence + while (offset < dataLength) { + var i = 0; + while (i < length && data[offset + i] === what[i]) { + ++i; + } + if (i >= length) { + break; // sequence found + } + offset++; + skipped++; + } + return skipped; + } + var objRegExp = /^(\d+)\s+(\d+)\s+obj\b/; + var trailerBytes = new Uint8Array([116, 114, 97, 105, 108, 101, 114]); + var startxrefBytes = new Uint8Array([115, 116, 97, 114, 116, 120, 114, + 101, 102]); + var endobjBytes = new Uint8Array([101, 110, 100, 111, 98, 106]); + var xrefBytes = new Uint8Array([47, 88, 82, 101, 102]); + + // Clear out any existing entries, since they may be bogus. + this.entries.length = 0; + + var stream = this.stream; + stream.pos = 0; + var buffer = stream.getBytes(); + var position = stream.start, length = buffer.length; + var trailers = [], xrefStms = []; + while (position < length) { + var ch = buffer[position]; + if (ch === TAB || ch === LF || ch === CR || ch === SPACE) { + ++position; + continue; + } + if (ch === PERCENT) { // %-comment + do { + ++position; + if (position >= length) { + break; + } + ch = buffer[position]; + } while (ch !== LF && ch !== CR); + continue; + } + var token = readToken(buffer, position); + var m; + if (token.indexOf('xref') === 0 && + (token.length === 4 || /\s/.test(token[4]))) { + position += skipUntil(buffer, position, trailerBytes); + trailers.push(position); + position += skipUntil(buffer, position, startxrefBytes); + } else if ((m = objRegExp.exec(token))) { + if (typeof this.entries[m[1]] === 'undefined') { + this.entries[m[1]] = { + offset: position - stream.start, + gen: m[2] | 0, + uncompressed: true + }; + } + var contentLength = skipUntil(buffer, position, endobjBytes) + 7; + var content = buffer.subarray(position, position + contentLength); + + // checking XRef stream suspect + // (it shall have '/XRef' and next char is not a letter) + var xrefTagOffset = skipUntil(content, 0, xrefBytes); + if (xrefTagOffset < contentLength && + content[xrefTagOffset + 5] < 64) { + xrefStms.push(position - stream.start); + this.xrefstms[position - stream.start] = 1; // Avoid recursion + } + + position += contentLength; + } else if (token.indexOf('trailer') === 0 && + (token.length === 7 || /\s/.test(token[7]))) { + trailers.push(position); + position += skipUntil(buffer, position, startxrefBytes); + } else { + position += token.length + 1; + } + } + // reading XRef streams + var i, ii; + for (i = 0, ii = xrefStms.length; i < ii; ++i) { + this.startXRefQueue.push(xrefStms[i]); + this.readXRef(/* recoveryMode */ true); + } + // finding main trailer + var dict; + for (i = 0, ii = trailers.length; i < ii; ++i) { + stream.pos = trailers[i]; + var parser = new Parser(new Lexer(stream), true, this); + var obj = parser.getObj(); + if (!isCmd(obj, 'trailer')) { + continue; + } + // read the trailer dictionary + if (!isDict(dict = parser.getObj())) { + continue; + } + // taking the first one with 'ID' + if (dict.has('ID')) { + return dict; + } + } + // no tailer with 'ID', taking last one (if exists) + if (dict) { + return dict; + } + // nothing helps + // calling error() would reject worker with an UnknownErrorException. + throw new InvalidPDFException('Invalid PDF structure'); + }, + + readXRef: function XRef_readXRef(recoveryMode) { + var stream = this.stream; + + try { + while (this.startXRefQueue.length) { + var startXRef = this.startXRefQueue[0]; + + stream.pos = startXRef + stream.start; + + var parser = new Parser(new Lexer(stream), true, this); + var obj = parser.getObj(); + var dict; + + // Get dictionary + if (isCmd(obj, 'xref')) { + // Parse end-of-file XRef + dict = this.processXRefTable(parser); + if (!this.topDict) { + this.topDict = dict; + } + + // Recursively get other XRefs 'XRefStm', if any + obj = dict.get('XRefStm'); + if (isInt(obj)) { + var pos = obj; + // ignore previously loaded xref streams + // (possible infinite recursion) + if (!(pos in this.xrefstms)) { + this.xrefstms[pos] = 1; + this.startXRefQueue.push(pos); + } + } + } else if (isInt(obj)) { + // Parse in-stream XRef + if (!isInt(parser.getObj()) || + !isCmd(parser.getObj(), 'obj') || + !isStream(obj = parser.getObj())) { + error('Invalid XRef stream'); + } + dict = this.processXRefStream(obj); + if (!this.topDict) { + this.topDict = dict; + } + if (!dict) { + error('Failed to read XRef stream'); + } + } else { + error('Invalid XRef stream header'); + } + + // Recursively get previous dictionary, if any + obj = dict.get('Prev'); + if (isInt(obj)) { + this.startXRefQueue.push(obj); + } else if (isRef(obj)) { + // The spec says Prev must not be a reference, i.e. "/Prev NNN" + // This is a fallback for non-compliant PDFs, i.e. "/Prev NNN 0 R" + this.startXRefQueue.push(obj.num); + } + + this.startXRefQueue.shift(); + } + + return this.topDict; + } catch (e) { + if (e instanceof MissingDataException) { + throw e; + } + info('(while reading XRef): ' + e); + } + + if (recoveryMode) { + return; + } + throw new XRefParseException(); + }, + + getEntry: function XRef_getEntry(i) { + var xrefEntry = this.entries[i]; + if (xrefEntry && !xrefEntry.free && xrefEntry.offset) { + return xrefEntry; + } + return null; + }, + + fetchIfRef: function XRef_fetchIfRef(obj) { + if (!isRef(obj)) { + return obj; + } + return this.fetch(obj); + }, + + fetch: function XRef_fetch(ref, suppressEncryption) { + assert(isRef(ref), 'ref object is not a reference'); + var num = ref.num; + if (num in this.cache) { + var cacheEntry = this.cache[num]; + return cacheEntry; + } + + var xrefEntry = this.getEntry(num); + + // the referenced entry can be free + if (xrefEntry === null) { + return (this.cache[num] = null); + } + + if (xrefEntry.uncompressed) { + xrefEntry = this.fetchUncompressed(ref, xrefEntry, suppressEncryption); + } else { + xrefEntry = this.fetchCompressed(xrefEntry, suppressEncryption); + } + if (isDict(xrefEntry)){ + xrefEntry.objId = ref.toString(); + } else if (isStream(xrefEntry)) { + xrefEntry.dict.objId = ref.toString(); + } + return xrefEntry; + }, + + fetchUncompressed: function XRef_fetchUncompressed(ref, xrefEntry, + suppressEncryption) { + var gen = ref.gen; + var num = ref.num; + if (xrefEntry.gen !== gen) { + error('inconsistent generation in XRef'); + } + var stream = this.stream.makeSubStream(xrefEntry.offset + + this.stream.start); + var parser = new Parser(new Lexer(stream), true, this); + var obj1 = parser.getObj(); + var obj2 = parser.getObj(); + var obj3 = parser.getObj(); + if (!isInt(obj1) || parseInt(obj1, 10) !== num || + !isInt(obj2) || parseInt(obj2, 10) !== gen || + !isCmd(obj3)) { + error('bad XRef entry'); + } + if (!isCmd(obj3, 'obj')) { + // some bad PDFs use "obj1234" and really mean 1234 + if (obj3.cmd.indexOf('obj') === 0) { + num = parseInt(obj3.cmd.substring(3), 10); + if (!isNaN(num)) { + return num; + } + } + error('bad XRef entry'); + } + if (this.encrypt && !suppressEncryption) { + xrefEntry = parser.getObj(this.encrypt.createCipherTransform(num, gen)); + } else { + xrefEntry = parser.getObj(); + } + if (!isStream(xrefEntry)) { + this.cache[num] = xrefEntry; + } + return xrefEntry; + }, + + fetchCompressed: function XRef_fetchCompressed(xrefEntry, + suppressEncryption) { + var tableOffset = xrefEntry.offset; + var stream = this.fetch(new Ref(tableOffset, 0)); + if (!isStream(stream)) { + error('bad ObjStm stream'); + } + var first = stream.dict.get('First'); + var n = stream.dict.get('N'); + if (!isInt(first) || !isInt(n)) { + error('invalid first and n parameters for ObjStm stream'); + } + var parser = new Parser(new Lexer(stream), false, this); + parser.allowStreams = true; + var i, entries = [], num, nums = []; + // read the object numbers to populate cache + for (i = 0; i < n; ++i) { + num = parser.getObj(); + if (!isInt(num)) { + error('invalid object number in the ObjStm stream: ' + num); + } + nums.push(num); + var offset = parser.getObj(); + if (!isInt(offset)) { + error('invalid object offset in the ObjStm stream: ' + offset); + } + } + // read stream objects for cache + for (i = 0; i < n; ++i) { + entries.push(parser.getObj()); + num = nums[i]; + var entry = this.entries[num]; + if (entry && entry.offset === tableOffset && entry.gen === i) { + this.cache[num] = entries[i]; + } + } + xrefEntry = entries[xrefEntry.gen]; + if (xrefEntry === undefined) { + error('bad XRef entry for compressed object'); + } + return xrefEntry; + }, + + fetchIfRefAsync: function XRef_fetchIfRefAsync(obj) { + if (!isRef(obj)) { + return Promise.resolve(obj); + } + return this.fetchAsync(obj); + }, + + fetchAsync: function XRef_fetchAsync(ref, suppressEncryption) { + var streamManager = this.stream.manager; + var xref = this; + return new Promise(function tryFetch(resolve, reject) { + try { + resolve(xref.fetch(ref, suppressEncryption)); + } catch (e) { + if (e instanceof MissingDataException) { + streamManager.requestRange(e.begin, e.end).then(function () { + tryFetch(resolve, reject); + }, reject); + return; + } + reject(e); + } + }); + }, + + getCatalogObj: function XRef_getCatalogObj() { + return this.root; + } + }; + + return XRef; +})(); + +/** + * A NameTree is like a Dict but has some advantageous properties, see the + * spec (7.9.6) for more details. + * TODO: implement all the Dict functions and make this more efficent. + */ +var NameTree = (function NameTreeClosure() { + function NameTree(root, xref) { + this.root = root; + this.xref = xref; + } + + NameTree.prototype = { + getAll: function NameTree_getAll() { + var dict = {}; + if (!this.root) { + return dict; + } + var xref = this.xref; + // reading name tree + var processed = new RefSet(); + processed.put(this.root); + var queue = [this.root]; + while (queue.length > 0) { + var i, n; + var obj = xref.fetchIfRef(queue.shift()); + if (!isDict(obj)) { + continue; + } + if (obj.has('Kids')) { + var kids = obj.get('Kids'); + for (i = 0, n = kids.length; i < n; i++) { + var kid = kids[i]; + if (processed.has(kid)) { + error('invalid destinations'); + } + queue.push(kid); + processed.put(kid); + } + continue; + } + var names = obj.get('Names'); + if (names) { + for (i = 0, n = names.length; i < n; i += 2) { + dict[xref.fetchIfRef(names[i])] = xref.fetchIfRef(names[i + 1]); + } + } + } + return dict; + }, + + get: function NameTree_get(destinationId) { + if (!this.root) { + return null; + } + + var xref = this.xref; + var kidsOrNames = xref.fetchIfRef(this.root); + var loopCount = 0; + var MAX_NAMES_LEVELS = 10; + var l, r, m; + + // Perform a binary search to quickly find the entry that + // contains the named destination we are looking for. + while (kidsOrNames.has('Kids')) { + loopCount++; + if (loopCount > MAX_NAMES_LEVELS) { + warn('Search depth limit for named destionations has been reached.'); + return null; + } + + var kids = kidsOrNames.get('Kids'); + if (!isArray(kids)) { + return null; + } + + l = 0; + r = kids.length - 1; + while (l <= r) { + m = (l + r) >> 1; + var kid = xref.fetchIfRef(kids[m]); + var limits = kid.get('Limits'); + + if (destinationId < xref.fetchIfRef(limits[0])) { + r = m - 1; + } else if (destinationId > xref.fetchIfRef(limits[1])) { + l = m + 1; + } else { + kidsOrNames = xref.fetchIfRef(kids[m]); + break; + } + } + if (l > r) { + return null; + } + } + + // If we get here, then we have found the right entry. Now + // go through the named destinations in the Named dictionary + // until we find the exact destination we're looking for. + var names = kidsOrNames.get('Names'); + if (isArray(names)) { + // Perform a binary search to reduce the lookup time. + l = 0; + r = names.length - 2; + while (l <= r) { + // Check only even indices (0, 2, 4, ...) because the + // odd indices contain the actual D array. + m = (l + r) & ~1; + if (destinationId < xref.fetchIfRef(names[m])) { + r = m - 2; + } else if (destinationId > xref.fetchIfRef(names[m])) { + l = m + 2; + } else { + return xref.fetchIfRef(names[m + 1]); + } + } + } + return null; + } + }; + return NameTree; +})(); + +/** + * "A PDF file can refer to the contents of another file by using a File + * Specification (PDF 1.1)", see the spec (7.11) for more details. + * NOTE: Only embedded files are supported (as part of the attachments support) + * TODO: support the 'URL' file system (with caching if !/V), portable + * collections attributes and related files (/RF) + */ +var FileSpec = (function FileSpecClosure() { + function FileSpec(root, xref) { + if (!root || !isDict(root)) { + return; + } + this.xref = xref; + this.root = root; + if (root.has('FS')) { + this.fs = root.get('FS'); + } + this.description = root.has('Desc') ? + stringToPDFString(root.get('Desc')) : + ''; + if (root.has('RF')) { + warn('Related file specifications are not supported'); + } + this.contentAvailable = true; + if (!root.has('EF')) { + this.contentAvailable = false; + warn('Non-embedded file specifications are not supported'); + } + } + + function pickPlatformItem(dict) { + // Look for the filename in this order: + // UF, F, Unix, Mac, DOS + if (dict.has('UF')) { + return dict.get('UF'); + } else if (dict.has('F')) { + return dict.get('F'); + } else if (dict.has('Unix')) { + return dict.get('Unix'); + } else if (dict.has('Mac')) { + return dict.get('Mac'); + } else if (dict.has('DOS')) { + return dict.get('DOS'); + } else { + return null; + } + } + + FileSpec.prototype = { + get filename() { + if (!this._filename && this.root) { + var filename = pickPlatformItem(this.root) || 'unnamed'; + this._filename = stringToPDFString(filename). + replace(/\\\\/g, '\\'). + replace(/\\\//g, '/'). + replace(/\\/g, '/'); + } + return this._filename; + }, + get content() { + if (!this.contentAvailable) { + return null; + } + if (!this.contentRef && this.root) { + this.contentRef = pickPlatformItem(this.root.get('EF')); + } + var content = null; + if (this.contentRef) { + var xref = this.xref; + var fileObj = xref.fetchIfRef(this.contentRef); + if (fileObj && isStream(fileObj)) { + content = fileObj.getBytes(); + } else { + warn('Embedded file specification points to non-existing/invalid ' + + 'content'); + } + } else { + warn('Embedded file specification does not have a content'); + } + return content; + }, + get serializable() { + return { + filename: this.filename, + content: this.content + }; + } + }; + return FileSpec; +})(); + +/** + * A helper for loading missing data in object graphs. It traverses the graph + * depth first and queues up any objects that have missing data. Once it has + * has traversed as many objects that are available it attempts to bundle the + * missing data requests and then resume from the nodes that weren't ready. + * + * NOTE: It provides protection from circular references by keeping track of + * of loaded references. However, you must be careful not to load any graphs + * that have references to the catalog or other pages since that will cause the + * entire PDF document object graph to be traversed. + */ +var ObjectLoader = (function() { + function mayHaveChildren(value) { + return isRef(value) || isDict(value) || isArray(value) || isStream(value); + } + + function addChildren(node, nodesToVisit) { + var value; + if (isDict(node) || isStream(node)) { + var map; + if (isDict(node)) { + map = node.map; + } else { + map = node.dict.map; + } + for (var key in map) { + value = map[key]; + if (mayHaveChildren(value)) { + nodesToVisit.push(value); + } + } + } else if (isArray(node)) { + for (var i = 0, ii = node.length; i < ii; i++) { + value = node[i]; + if (mayHaveChildren(value)) { + nodesToVisit.push(value); + } + } + } + } + + function ObjectLoader(obj, keys, xref) { + this.obj = obj; + this.keys = keys; + this.xref = xref; + this.refSet = null; + this.capability = null; + } + + ObjectLoader.prototype = { + load: function ObjectLoader_load() { + var keys = this.keys; + this.capability = createPromiseCapability(); + // Don't walk the graph if all the data is already loaded. + if (!(this.xref.stream instanceof ChunkedStream) || + this.xref.stream.getMissingChunks().length === 0) { + this.capability.resolve(); + return this.capability.promise; + } + + this.refSet = new RefSet(); + // Setup the initial nodes to visit. + var nodesToVisit = []; + for (var i = 0; i < keys.length; i++) { + nodesToVisit.push(this.obj[keys[i]]); + } + + this._walk(nodesToVisit); + return this.capability.promise; + }, + + _walk: function ObjectLoader_walk(nodesToVisit) { + var nodesToRevisit = []; + var pendingRequests = []; + // DFS walk of the object graph. + while (nodesToVisit.length) { + var currentNode = nodesToVisit.pop(); + + // Only references or chunked streams can cause missing data exceptions. + if (isRef(currentNode)) { + // Skip nodes that have already been visited. + if (this.refSet.has(currentNode)) { + continue; + } + try { + var ref = currentNode; + this.refSet.put(ref); + currentNode = this.xref.fetch(currentNode); + } catch (e) { + if (!(e instanceof MissingDataException)) { + throw e; + } + nodesToRevisit.push(currentNode); + pendingRequests.push({ begin: e.begin, end: e.end }); + } + } + if (currentNode && currentNode.getBaseStreams) { + var baseStreams = currentNode.getBaseStreams(); + var foundMissingData = false; + for (var i = 0; i < baseStreams.length; i++) { + var stream = baseStreams[i]; + if (stream.getMissingChunks && stream.getMissingChunks().length) { + foundMissingData = true; + pendingRequests.push({ + begin: stream.start, + end: stream.end + }); + } + } + if (foundMissingData) { + nodesToRevisit.push(currentNode); + } + } + + addChildren(currentNode, nodesToVisit); + } + + if (pendingRequests.length) { + this.xref.stream.manager.requestRanges(pendingRequests).then( + function pendingRequestCallback() { + nodesToVisit = nodesToRevisit; + for (var i = 0; i < nodesToRevisit.length; i++) { + var node = nodesToRevisit[i]; + // Remove any reference nodes from the currrent refset so they + // aren't skipped when we revist them. + if (isRef(node)) { + this.refSet.remove(node); + } + } + this._walk(nodesToVisit); + }.bind(this), this.capability.reject); + return; + } + // Everything is loaded. + this.refSet = null; + this.capability.resolve(); + } + }; + + return ObjectLoader; +})(); + +exports.Catalog = Catalog; +exports.ObjectLoader = ObjectLoader; +exports.XRef = XRef; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCorePsParser = {}), root.pdfjsSharedUtil, + root.pdfjsCoreParser); + } +}(this, function (exports, sharedUtil, coreParser) { + +var error = sharedUtil.error; +var EOF = coreParser.EOF; +var Lexer = coreParser.Lexer; + +var PostScriptParser = (function PostScriptParserClosure() { + function PostScriptParser(lexer) { + this.lexer = lexer; + this.operators = []; + this.token = null; + this.prev = null; + } + PostScriptParser.prototype = { + nextToken: function PostScriptParser_nextToken() { + this.prev = this.token; + this.token = this.lexer.getToken(); + }, + accept: function PostScriptParser_accept(type) { + if (this.token.type === type) { + this.nextToken(); + return true; + } + return false; + }, + expect: function PostScriptParser_expect(type) { + if (this.accept(type)) { + return true; + } + error('Unexpected symbol: found ' + this.token.type + ' expected ' + + type + '.'); + }, + parse: function PostScriptParser_parse() { + this.nextToken(); + this.expect(PostScriptTokenTypes.LBRACE); + this.parseBlock(); + this.expect(PostScriptTokenTypes.RBRACE); + return this.operators; + }, + parseBlock: function PostScriptParser_parseBlock() { + while (true) { + if (this.accept(PostScriptTokenTypes.NUMBER)) { + this.operators.push(this.prev.value); + } else if (this.accept(PostScriptTokenTypes.OPERATOR)) { + this.operators.push(this.prev.value); + } else if (this.accept(PostScriptTokenTypes.LBRACE)) { + this.parseCondition(); + } else { + return; + } + } + }, + parseCondition: function PostScriptParser_parseCondition() { + // Add two place holders that will be updated later + var conditionLocation = this.operators.length; + this.operators.push(null, null); + + this.parseBlock(); + this.expect(PostScriptTokenTypes.RBRACE); + if (this.accept(PostScriptTokenTypes.IF)) { + // The true block is right after the 'if' so it just falls through on + // true else it jumps and skips the true block. + this.operators[conditionLocation] = this.operators.length; + this.operators[conditionLocation + 1] = 'jz'; + } else if (this.accept(PostScriptTokenTypes.LBRACE)) { + var jumpLocation = this.operators.length; + this.operators.push(null, null); + var endOfTrue = this.operators.length; + this.parseBlock(); + this.expect(PostScriptTokenTypes.RBRACE); + this.expect(PostScriptTokenTypes.IFELSE); + // The jump is added at the end of the true block to skip the false + // block. + this.operators[jumpLocation] = this.operators.length; + this.operators[jumpLocation + 1] = 'j'; + + this.operators[conditionLocation] = endOfTrue; + this.operators[conditionLocation + 1] = 'jz'; + } else { + error('PS Function: error parsing conditional.'); + } + } + }; + return PostScriptParser; +})(); + +var PostScriptTokenTypes = { + LBRACE: 0, + RBRACE: 1, + NUMBER: 2, + OPERATOR: 3, + IF: 4, + IFELSE: 5 +}; + +var PostScriptToken = (function PostScriptTokenClosure() { + function PostScriptToken(type, value) { + this.type = type; + this.value = value; + } + + var opCache = {}; + + PostScriptToken.getOperator = function PostScriptToken_getOperator(op) { + var opValue = opCache[op]; + if (opValue) { + return opValue; + } + return opCache[op] = new PostScriptToken(PostScriptTokenTypes.OPERATOR, op); + }; + + PostScriptToken.LBRACE = new PostScriptToken(PostScriptTokenTypes.LBRACE, + '{'); + PostScriptToken.RBRACE = new PostScriptToken(PostScriptTokenTypes.RBRACE, + '}'); + PostScriptToken.IF = new PostScriptToken(PostScriptTokenTypes.IF, 'IF'); + PostScriptToken.IFELSE = new PostScriptToken(PostScriptTokenTypes.IFELSE, + 'IFELSE'); + return PostScriptToken; +})(); + +var PostScriptLexer = (function PostScriptLexerClosure() { + function PostScriptLexer(stream) { + this.stream = stream; + this.nextChar(); + + this.strBuf = []; + } + PostScriptLexer.prototype = { + nextChar: function PostScriptLexer_nextChar() { + return (this.currentChar = this.stream.getByte()); + }, + getToken: function PostScriptLexer_getToken() { + var comment = false; + var ch = this.currentChar; + + // skip comments + while (true) { + if (ch < 0) { + return EOF; + } + + if (comment) { + if (ch === 0x0A || ch === 0x0D) { + comment = false; + } + } else if (ch === 0x25) { // '%' + comment = true; + } else if (!Lexer.isSpace(ch)) { + break; + } + ch = this.nextChar(); + } + switch (ch | 0) { + case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: // '0'-'4' + case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: // '5'-'9' + case 0x2B: case 0x2D: case 0x2E: // '+', '-', '.' + return new PostScriptToken(PostScriptTokenTypes.NUMBER, + this.getNumber()); + case 0x7B: // '{' + this.nextChar(); + return PostScriptToken.LBRACE; + case 0x7D: // '}' + this.nextChar(); + return PostScriptToken.RBRACE; + } + // operator + var strBuf = this.strBuf; + strBuf.length = 0; + strBuf[0] = String.fromCharCode(ch); + + while ((ch = this.nextChar()) >= 0 && // and 'A'-'Z', 'a'-'z' + ((ch >= 0x41 && ch <= 0x5A) || (ch >= 0x61 && ch <= 0x7A))) { + strBuf.push(String.fromCharCode(ch)); + } + var str = strBuf.join(''); + switch (str.toLowerCase()) { + case 'if': + return PostScriptToken.IF; + case 'ifelse': + return PostScriptToken.IFELSE; + default: + return PostScriptToken.getOperator(str); + } + }, + getNumber: function PostScriptLexer_getNumber() { + var ch = this.currentChar; + var strBuf = this.strBuf; + strBuf.length = 0; + strBuf[0] = String.fromCharCode(ch); + + while ((ch = this.nextChar()) >= 0) { + if ((ch >= 0x30 && ch <= 0x39) || // '0'-'9' + ch === 0x2D || ch === 0x2E) { // '-', '.' + strBuf.push(String.fromCharCode(ch)); + } else { + break; + } + } + var value = parseFloat(strBuf.join('')); + if (isNaN(value)) { + error('Invalid floating point number: ' + value); + } + return value; + } + }; + return PostScriptLexer; +})(); + +exports.PostScriptLexer = PostScriptLexer; +exports.PostScriptParser = PostScriptParser; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreFonts = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreParser, + root.pdfjsCoreCMap, root.pdfjsCoreGlyphList, root.pdfjsCoreCharsets, + root.pdfjsCoreFontRenderer); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream, coreParser, + coreCMap, coreGlyphList, coreCharsets, coreFontRenderer) { + +var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; +var FontType = sharedUtil.FontType; +var Util = sharedUtil.Util; +var assert = sharedUtil.assert; +var bytesToString = sharedUtil.bytesToString; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isInt = sharedUtil.isInt; +var isNum = sharedUtil.isNum; +var readUint32 = sharedUtil.readUint32; +var shadow = sharedUtil.shadow; +var stringToBytes = sharedUtil.stringToBytes; +var string32 = sharedUtil.string32; +var warn = sharedUtil.warn; +var Name = corePrimitives.Name; +var Stream = coreStream.Stream; +var Lexer = coreParser.Lexer; +var CMapFactory = coreCMap.CMapFactory; +var IdentityCMap = coreCMap.IdentityCMap; +var GlyphsUnicode = coreGlyphList.GlyphsUnicode; +var DingbatsGlyphsUnicode = coreGlyphList.DingbatsGlyphsUnicode; +var ISOAdobeCharset = coreCharsets.ISOAdobeCharset; +var ExpertCharset = coreCharsets.ExpertCharset; +var ExpertSubsetCharset = coreCharsets.ExpertSubsetCharset; +var FontRendererFactory = coreFontRenderer.FontRendererFactory; + +// Unicode Private Use Area +var PRIVATE_USE_OFFSET_START = 0xE000; +var PRIVATE_USE_OFFSET_END = 0xF8FF; +var SKIP_PRIVATE_USE_RANGE_F000_TO_F01F = false; + +// PDF Glyph Space Units are one Thousandth of a TextSpace Unit +// except for Type 3 fonts +var PDF_GLYPH_SPACE_UNITS = 1000; + +// Hinting is currently disabled due to unknown problems on windows +// in tracemonkey and various other pdfs with type1 fonts. +var HINTING_ENABLED = false; + +// Accented charactars are not displayed properly on windows, using this flag +// to control analysis of seac charstrings. +var SEAC_ANALYSIS_ENABLED = false; + +var FontFlags = { + FixedPitch: 1, + Serif: 2, + Symbolic: 4, + Script: 8, + Nonsymbolic: 32, + Italic: 64, + AllCap: 65536, + SmallCap: 131072, + ForceBold: 262144 +}; + +var Encodings = { + ExpertEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'exclamsmall', 'Hungarumlautsmall', '', 'dollaroldstyle', + 'dollarsuperior', 'ampersandsmall', 'Acutesmall', 'parenleftsuperior', + 'parenrightsuperior', 'twodotenleader', 'onedotenleader', 'comma', + 'hyphen', 'period', 'fraction', 'zerooldstyle', 'oneoldstyle', + 'twooldstyle', 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle', + 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle', 'colon', + 'semicolon', 'commasuperior', 'threequartersemdash', 'periodsuperior', + 'questionsmall', '', 'asuperior', 'bsuperior', 'centsuperior', 'dsuperior', + 'esuperior', '', '', 'isuperior', '', '', 'lsuperior', 'msuperior', + 'nsuperior', 'osuperior', '', '', 'rsuperior', 'ssuperior', 'tsuperior', + '', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior', '', + 'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall', + 'Asmall', 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', + 'Hsmall', 'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', + 'Osmall', 'Psmall', 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', + 'Vsmall', 'Wsmall', 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', + 'onefitted', 'rupiah', 'Tildesmall', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', 'exclamdownsmall', 'centoldstyle', 'Lslashsmall', + '', '', 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall', 'Brevesmall', + 'Caronsmall', '', 'Dotaccentsmall', '', '', 'Macronsmall', '', '', + 'figuredash', 'hypheninferior', '', '', 'Ogoneksmall', 'Ringsmall', + 'Cedillasmall', '', '', '', 'onequarter', 'onehalf', 'threequarters', + 'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths', + 'seveneighths', 'onethird', 'twothirds', '', '', 'zerosuperior', + 'onesuperior', 'twosuperior', 'threesuperior', 'foursuperior', + 'fivesuperior', 'sixsuperior', 'sevensuperior', 'eightsuperior', + 'ninesuperior', 'zeroinferior', 'oneinferior', 'twoinferior', + 'threeinferior', 'fourinferior', 'fiveinferior', 'sixinferior', + 'seveninferior', 'eightinferior', 'nineinferior', 'centinferior', + 'dollarinferior', 'periodinferior', 'commainferior', 'Agravesmall', + 'Aacutesmall', 'Acircumflexsmall', 'Atildesmall', 'Adieresissmall', + 'Aringsmall', 'AEsmall', 'Ccedillasmall', 'Egravesmall', 'Eacutesmall', + 'Ecircumflexsmall', 'Edieresissmall', 'Igravesmall', 'Iacutesmall', + 'Icircumflexsmall', 'Idieresissmall', 'Ethsmall', 'Ntildesmall', + 'Ogravesmall', 'Oacutesmall', 'Ocircumflexsmall', 'Otildesmall', + 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', 'Uacutesmall', + 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', 'Thornsmall', + 'Ydieresissmall'], + MacExpertEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'exclamsmall', 'Hungarumlautsmall', 'centoldstyle', + 'dollaroldstyle', 'dollarsuperior', 'ampersandsmall', 'Acutesmall', + 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader', + 'onedotenleader', 'comma', 'hyphen', 'period', 'fraction', 'zerooldstyle', + 'oneoldstyle', 'twooldstyle', 'threeoldstyle', 'fouroldstyle', + 'fiveoldstyle', 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', + 'nineoldstyle', 'colon', 'semicolon', '', 'threequartersemdash', '', + 'questionsmall', '', '', '', '', 'Ethsmall', '', '', 'onequarter', + 'onehalf', 'threequarters', 'oneeighth', 'threeeighths', 'fiveeighths', + 'seveneighths', 'onethird', 'twothirds', '', '', '', '', '', '', 'ff', + 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior', '', 'parenrightinferior', + 'Circumflexsmall', 'hypheninferior', 'Gravesmall', 'Asmall', 'Bsmall', + 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', 'Hsmall', 'Ismall', + 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', 'Osmall', 'Psmall', + 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', 'Vsmall', 'Wsmall', + 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', 'onefitted', 'rupiah', + 'Tildesmall', '', '', 'asuperior', 'centsuperior', '', '', '', '', + 'Aacutesmall', 'Agravesmall', 'Acircumflexsmall', 'Adieresissmall', + 'Atildesmall', 'Aringsmall', 'Ccedillasmall', 'Eacutesmall', 'Egravesmall', + 'Ecircumflexsmall', 'Edieresissmall', 'Iacutesmall', 'Igravesmall', + 'Icircumflexsmall', 'Idieresissmall', 'Ntildesmall', 'Oacutesmall', + 'Ogravesmall', 'Ocircumflexsmall', 'Odieresissmall', 'Otildesmall', + 'Uacutesmall', 'Ugravesmall', 'Ucircumflexsmall', 'Udieresissmall', '', + 'eightsuperior', 'fourinferior', 'threeinferior', 'sixinferior', + 'eightinferior', 'seveninferior', 'Scaronsmall', '', 'centinferior', + 'twoinferior', '', 'Dieresissmall', '', 'Caronsmall', 'osuperior', + 'fiveinferior', '', 'commainferior', 'periodinferior', 'Yacutesmall', '', + 'dollarinferior', '', 'Thornsmall', '', 'nineinferior', 'zeroinferior', + 'Zcaronsmall', 'AEsmall', 'Oslashsmall', 'questiondownsmall', + 'oneinferior', 'Lslashsmall', '', '', '', '', '', '', 'Cedillasmall', '', + '', '', '', '', 'OEsmall', 'figuredash', 'hyphensuperior', '', '', '', '', + 'exclamdownsmall', '', 'Ydieresissmall', '', 'onesuperior', 'twosuperior', + 'threesuperior', 'foursuperior', 'fivesuperior', 'sixsuperior', + 'sevensuperior', 'ninesuperior', 'zerosuperior', '', 'esuperior', + 'rsuperior', 'tsuperior', '', '', 'isuperior', 'ssuperior', 'dsuperior', + '', '', '', '', '', 'lsuperior', 'Ogoneksmall', 'Brevesmall', + 'Macronsmall', 'bsuperior', 'nsuperior', 'msuperior', 'commasuperior', + 'periodsuperior', 'Dotaccentsmall', 'Ringsmall'], + MacRomanEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', + 'ampersand', 'quotesingle', 'parenleft', 'parenright', 'asterisk', 'plus', + 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three', + 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', + 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', + 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', + 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', + 'asciicircum', 'underscore', 'grave', 'a', 'b', 'c', 'd', 'e', 'f', 'g', + 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', + 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', '', + 'Adieresis', 'Aring', 'Ccedilla', 'Eacute', 'Ntilde', 'Odieresis', + 'Udieresis', 'aacute', 'agrave', 'acircumflex', 'adieresis', 'atilde', + 'aring', 'ccedilla', 'eacute', 'egrave', 'ecircumflex', 'edieresis', + 'iacute', 'igrave', 'icircumflex', 'idieresis', 'ntilde', 'oacute', + 'ograve', 'ocircumflex', 'odieresis', 'otilde', 'uacute', 'ugrave', + 'ucircumflex', 'udieresis', 'dagger', 'degree', 'cent', 'sterling', + 'section', 'bullet', 'paragraph', 'germandbls', 'registered', 'copyright', + 'trademark', 'acute', 'dieresis', 'notequal', 'AE', 'Oslash', 'infinity', + 'plusminus', 'lessequal', 'greaterequal', 'yen', 'mu', 'partialdiff', + 'summation', 'product', 'pi', 'integral', 'ordfeminine', 'ordmasculine', + 'Omega', 'ae', 'oslash', 'questiondown', 'exclamdown', 'logicalnot', + 'radical', 'florin', 'approxequal', 'Delta', 'guillemotleft', + 'guillemotright', 'ellipsis', 'space', 'Agrave', 'Atilde', 'Otilde', 'OE', + 'oe', 'endash', 'emdash', 'quotedblleft', 'quotedblright', 'quoteleft', + 'quoteright', 'divide', 'lozenge', 'ydieresis', 'Ydieresis', 'fraction', + 'currency', 'guilsinglleft', 'guilsinglright', 'fi', 'fl', 'daggerdbl', + 'periodcentered', 'quotesinglbase', 'quotedblbase', 'perthousand', + 'Acircumflex', 'Ecircumflex', 'Aacute', 'Edieresis', 'Egrave', 'Iacute', + 'Icircumflex', 'Idieresis', 'Igrave', 'Oacute', 'Ocircumflex', 'apple', + 'Ograve', 'Uacute', 'Ucircumflex', 'Ugrave', 'dotlessi', 'circumflex', + 'tilde', 'macron', 'breve', 'dotaccent', 'ring', 'cedilla', 'hungarumlaut', + 'ogonek', 'caron'], + StandardEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', + 'ampersand', 'quoteright', 'parenleft', 'parenright', 'asterisk', 'plus', + 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three', + 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', + 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', + 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', + 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', + 'asciicircum', 'underscore', 'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f', + 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', + 'v', 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', 'exclamdown', + 'cent', 'sterling', 'fraction', 'yen', 'florin', 'section', 'currency', + 'quotesingle', 'quotedblleft', 'guillemotleft', 'guilsinglleft', + 'guilsinglright', 'fi', 'fl', '', 'endash', 'dagger', 'daggerdbl', + 'periodcentered', '', 'paragraph', 'bullet', 'quotesinglbase', + 'quotedblbase', 'quotedblright', 'guillemotright', 'ellipsis', + 'perthousand', '', 'questiondown', '', 'grave', 'acute', 'circumflex', + 'tilde', 'macron', 'breve', 'dotaccent', 'dieresis', '', 'ring', 'cedilla', + '', 'hungarumlaut', 'ogonek', 'caron', 'emdash', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', 'AE', '', 'ordfeminine', '', '', + '', '', 'Lslash', 'Oslash', 'OE', 'ordmasculine', '', '', '', '', '', 'ae', + '', '', '', 'dotlessi', '', '', 'lslash', 'oslash', 'oe', 'germandbls'], + WinAnsiEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', + 'ampersand', 'quotesingle', 'parenleft', 'parenright', 'asterisk', 'plus', + 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three', + 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', + 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', + 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', + 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', + 'asciicircum', 'underscore', 'grave', 'a', 'b', 'c', 'd', 'e', 'f', 'g', + 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', + 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', + 'bullet', 'Euro', 'bullet', 'quotesinglbase', 'florin', 'quotedblbase', + 'ellipsis', 'dagger', 'daggerdbl', 'circumflex', 'perthousand', 'Scaron', + 'guilsinglleft', 'OE', 'bullet', 'Zcaron', 'bullet', 'bullet', 'quoteleft', + 'quoteright', 'quotedblleft', 'quotedblright', 'bullet', 'endash', + 'emdash', 'tilde', 'trademark', 'scaron', 'guilsinglright', 'oe', 'bullet', + 'zcaron', 'Ydieresis', 'space', 'exclamdown', 'cent', 'sterling', + 'currency', 'yen', 'brokenbar', 'section', 'dieresis', 'copyright', + 'ordfeminine', 'guillemotleft', 'logicalnot', 'hyphen', 'registered', + 'macron', 'degree', 'plusminus', 'twosuperior', 'threesuperior', 'acute', + 'mu', 'paragraph', 'periodcentered', 'cedilla', 'onesuperior', + 'ordmasculine', 'guillemotright', 'onequarter', 'onehalf', 'threequarters', + 'questiondown', 'Agrave', 'Aacute', 'Acircumflex', 'Atilde', 'Adieresis', + 'Aring', 'AE', 'Ccedilla', 'Egrave', 'Eacute', 'Ecircumflex', 'Edieresis', + 'Igrave', 'Iacute', 'Icircumflex', 'Idieresis', 'Eth', 'Ntilde', 'Ograve', + 'Oacute', 'Ocircumflex', 'Otilde', 'Odieresis', 'multiply', 'Oslash', + 'Ugrave', 'Uacute', 'Ucircumflex', 'Udieresis', 'Yacute', 'Thorn', + 'germandbls', 'agrave', 'aacute', 'acircumflex', 'atilde', 'adieresis', + 'aring', 'ae', 'ccedilla', 'egrave', 'eacute', 'ecircumflex', 'edieresis', + 'igrave', 'iacute', 'icircumflex', 'idieresis', 'eth', 'ntilde', 'ograve', + 'oacute', 'ocircumflex', 'otilde', 'odieresis', 'divide', 'oslash', + 'ugrave', 'uacute', 'ucircumflex', 'udieresis', 'yacute', 'thorn', + 'ydieresis'], + SymbolSetEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'exclam', 'universal', 'numbersign', 'existential', 'percent', + 'ampersand', 'suchthat', 'parenleft', 'parenright', 'asteriskmath', 'plus', + 'comma', 'minus', 'period', 'slash', 'zero', 'one', 'two', 'three', 'four', + 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', 'less', + 'equal', 'greater', 'question', 'congruent', 'Alpha', 'Beta', 'Chi', + 'Delta', 'Epsilon', 'Phi', 'Gamma', 'Eta', 'Iota', 'theta1', 'Kappa', + 'Lambda', 'Mu', 'Nu', 'Omicron', 'Pi', 'Theta', 'Rho', 'Sigma', 'Tau', + 'Upsilon', 'sigma1', 'Omega', 'Xi', 'Psi', 'Zeta', 'bracketleft', + 'therefore', 'bracketright', 'perpendicular', 'underscore', 'radicalex', + 'alpha', 'beta', 'chi', 'delta', 'epsilon', 'phi', 'gamma', 'eta', 'iota', + 'phi1', 'kappa', 'lambda', 'mu', 'nu', 'omicron', 'pi', 'theta', 'rho', + 'sigma', 'tau', 'upsilon', 'omega1', 'omega', 'xi', 'psi', 'zeta', + 'braceleft', 'bar', 'braceright', 'similar', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', 'Euro', 'Upsilon1', 'minute', 'lessequal', + 'fraction', 'infinity', 'florin', 'club', 'diamond', 'heart', 'spade', + 'arrowboth', 'arrowleft', 'arrowup', 'arrowright', 'arrowdown', 'degree', + 'plusminus', 'second', 'greaterequal', 'multiply', 'proportional', + 'partialdiff', 'bullet', 'divide', 'notequal', 'equivalence', + 'approxequal', 'ellipsis', 'arrowvertex', 'arrowhorizex', 'carriagereturn', + 'aleph', 'Ifraktur', 'Rfraktur', 'weierstrass', 'circlemultiply', + 'circleplus', 'emptyset', 'intersection', 'union', 'propersuperset', + 'reflexsuperset', 'notsubset', 'propersubset', 'reflexsubset', 'element', + 'notelement', 'angle', 'gradient', 'registerserif', 'copyrightserif', + 'trademarkserif', 'product', 'radical', 'dotmath', 'logicalnot', + 'logicaland', 'logicalor', 'arrowdblboth', 'arrowdblleft', 'arrowdblup', + 'arrowdblright', 'arrowdbldown', 'lozenge', 'angleleft', 'registersans', + 'copyrightsans', 'trademarksans', 'summation', 'parenlefttp', + 'parenleftex', 'parenleftbt', 'bracketlefttp', 'bracketleftex', + 'bracketleftbt', 'bracelefttp', 'braceleftmid', 'braceleftbt', 'braceex', + '', 'angleright', 'integral', 'integraltp', 'integralex', 'integralbt', + 'parenrighttp', 'parenrightex', 'parenrightbt', 'bracketrighttp', + 'bracketrightex', 'bracketrightbt', 'bracerighttp', 'bracerightmid', + 'bracerightbt'], + ZapfDingbatsEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'a1', 'a2', 'a202', 'a3', 'a4', 'a5', 'a119', 'a118', 'a117', + 'a11', 'a12', 'a13', 'a14', 'a15', 'a16', 'a105', 'a17', 'a18', 'a19', + 'a20', 'a21', 'a22', 'a23', 'a24', 'a25', 'a26', 'a27', 'a28', 'a6', 'a7', + 'a8', 'a9', 'a10', 'a29', 'a30', 'a31', 'a32', 'a33', 'a34', 'a35', 'a36', + 'a37', 'a38', 'a39', 'a40', 'a41', 'a42', 'a43', 'a44', 'a45', 'a46', + 'a47', 'a48', 'a49', 'a50', 'a51', 'a52', 'a53', 'a54', 'a55', 'a56', + 'a57', 'a58', 'a59', 'a60', 'a61', 'a62', 'a63', 'a64', 'a65', 'a66', + 'a67', 'a68', 'a69', 'a70', 'a71', 'a72', 'a73', 'a74', 'a203', 'a75', + 'a204', 'a76', 'a77', 'a78', 'a79', 'a81', 'a82', 'a83', 'a84', 'a97', + 'a98', 'a99', 'a100', '', 'a89', 'a90', 'a93', 'a94', 'a91', 'a92', 'a205', + 'a85', 'a206', 'a86', 'a87', 'a88', 'a95', 'a96', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', 'a101', 'a102', 'a103', + 'a104', 'a106', 'a107', 'a108', 'a112', 'a111', 'a110', 'a109', 'a120', + 'a121', 'a122', 'a123', 'a124', 'a125', 'a126', 'a127', 'a128', 'a129', + 'a130', 'a131', 'a132', 'a133', 'a134', 'a135', 'a136', 'a137', 'a138', + 'a139', 'a140', 'a141', 'a142', 'a143', 'a144', 'a145', 'a146', 'a147', + 'a148', 'a149', 'a150', 'a151', 'a152', 'a153', 'a154', 'a155', 'a156', + 'a157', 'a158', 'a159', 'a160', 'a161', 'a163', 'a164', 'a196', 'a165', + 'a192', 'a166', 'a167', 'a168', 'a169', 'a170', 'a171', 'a172', 'a173', + 'a162', 'a174', 'a175', 'a176', 'a177', 'a178', 'a179', 'a193', 'a180', + 'a199', 'a181', 'a200', 'a182', '', 'a201', 'a183', 'a184', 'a197', 'a185', + 'a194', 'a198', 'a186', 'a195', 'a187', 'a188', 'a189', 'a190', 'a191'] +}; + +/** + * Hold a map of decoded fonts and of the standard fourteen Type1 + * fonts and their acronyms. + */ +var stdFontMap = { + 'ArialNarrow': 'Helvetica', + 'ArialNarrow-Bold': 'Helvetica-Bold', + 'ArialNarrow-BoldItalic': 'Helvetica-BoldOblique', + 'ArialNarrow-Italic': 'Helvetica-Oblique', + 'ArialBlack': 'Helvetica', + 'ArialBlack-Bold': 'Helvetica-Bold', + 'ArialBlack-BoldItalic': 'Helvetica-BoldOblique', + 'ArialBlack-Italic': 'Helvetica-Oblique', + 'Arial': 'Helvetica', + 'Arial-Bold': 'Helvetica-Bold', + 'Arial-BoldItalic': 'Helvetica-BoldOblique', + 'Arial-Italic': 'Helvetica-Oblique', + 'Arial-BoldItalicMT': 'Helvetica-BoldOblique', + 'Arial-BoldMT': 'Helvetica-Bold', + 'Arial-ItalicMT': 'Helvetica-Oblique', + 'ArialMT': 'Helvetica', + 'Courier-Bold': 'Courier-Bold', + 'Courier-BoldItalic': 'Courier-BoldOblique', + 'Courier-Italic': 'Courier-Oblique', + 'CourierNew': 'Courier', + 'CourierNew-Bold': 'Courier-Bold', + 'CourierNew-BoldItalic': 'Courier-BoldOblique', + 'CourierNew-Italic': 'Courier-Oblique', + 'CourierNewPS-BoldItalicMT': 'Courier-BoldOblique', + 'CourierNewPS-BoldMT': 'Courier-Bold', + 'CourierNewPS-ItalicMT': 'Courier-Oblique', + 'CourierNewPSMT': 'Courier', + 'Helvetica': 'Helvetica', + 'Helvetica-Bold': 'Helvetica-Bold', + 'Helvetica-BoldItalic': 'Helvetica-BoldOblique', + 'Helvetica-BoldOblique': 'Helvetica-BoldOblique', + 'Helvetica-Italic': 'Helvetica-Oblique', + 'Helvetica-Oblique':'Helvetica-Oblique', + 'Symbol-Bold': 'Symbol', + 'Symbol-BoldItalic': 'Symbol', + 'Symbol-Italic': 'Symbol', + 'TimesNewRoman': 'Times-Roman', + 'TimesNewRoman-Bold': 'Times-Bold', + 'TimesNewRoman-BoldItalic': 'Times-BoldItalic', + 'TimesNewRoman-Italic': 'Times-Italic', + 'TimesNewRomanPS': 'Times-Roman', + 'TimesNewRomanPS-Bold': 'Times-Bold', + 'TimesNewRomanPS-BoldItalic': 'Times-BoldItalic', + 'TimesNewRomanPS-BoldItalicMT': 'Times-BoldItalic', + 'TimesNewRomanPS-BoldMT': 'Times-Bold', + 'TimesNewRomanPS-Italic': 'Times-Italic', + 'TimesNewRomanPS-ItalicMT': 'Times-Italic', + 'TimesNewRomanPSMT': 'Times-Roman', + 'TimesNewRomanPSMT-Bold': 'Times-Bold', + 'TimesNewRomanPSMT-BoldItalic': 'Times-BoldItalic', + 'TimesNewRomanPSMT-Italic': 'Times-Italic' +}; + +/** + * Holds the map of the non-standard fonts that might be included as a standard + * fonts without glyph data. + */ +var nonStdFontMap = { + 'CenturyGothic': 'Helvetica', + 'CenturyGothic-Bold': 'Helvetica-Bold', + 'CenturyGothic-BoldItalic': 'Helvetica-BoldOblique', + 'CenturyGothic-Italic': 'Helvetica-Oblique', + 'ComicSansMS': 'Comic Sans MS', + 'ComicSansMS-Bold': 'Comic Sans MS-Bold', + 'ComicSansMS-BoldItalic': 'Comic Sans MS-BoldItalic', + 'ComicSansMS-Italic': 'Comic Sans MS-Italic', + 'LucidaConsole': 'Courier', + 'LucidaConsole-Bold': 'Courier-Bold', + 'LucidaConsole-BoldItalic': 'Courier-BoldOblique', + 'LucidaConsole-Italic': 'Courier-Oblique', + 'MS-Gothic': 'MS Gothic', + 'MS-Gothic-Bold': 'MS Gothic-Bold', + 'MS-Gothic-BoldItalic': 'MS Gothic-BoldItalic', + 'MS-Gothic-Italic': 'MS Gothic-Italic', + 'MS-Mincho': 'MS Mincho', + 'MS-Mincho-Bold': 'MS Mincho-Bold', + 'MS-Mincho-BoldItalic': 'MS Mincho-BoldItalic', + 'MS-Mincho-Italic': 'MS Mincho-Italic', + 'MS-PGothic': 'MS PGothic', + 'MS-PGothic-Bold': 'MS PGothic-Bold', + 'MS-PGothic-BoldItalic': 'MS PGothic-BoldItalic', + 'MS-PGothic-Italic': 'MS PGothic-Italic', + 'MS-PMincho': 'MS PMincho', + 'MS-PMincho-Bold': 'MS PMincho-Bold', + 'MS-PMincho-BoldItalic': 'MS PMincho-BoldItalic', + 'MS-PMincho-Italic': 'MS PMincho-Italic', + 'Wingdings': 'ZapfDingbats' +}; + +var serifFonts = { + 'Adobe Jenson': true, 'Adobe Text': true, 'Albertus': true, + 'Aldus': true, 'Alexandria': true, 'Algerian': true, + 'American Typewriter': true, 'Antiqua': true, 'Apex': true, + 'Arno': true, 'Aster': true, 'Aurora': true, + 'Baskerville': true, 'Bell': true, 'Bembo': true, + 'Bembo Schoolbook': true, 'Benguiat': true, 'Berkeley Old Style': true, + 'Bernhard Modern': true, 'Berthold City': true, 'Bodoni': true, + 'Bauer Bodoni': true, 'Book Antiqua': true, 'Bookman': true, + 'Bordeaux Roman': true, 'Californian FB': true, 'Calisto': true, + 'Calvert': true, 'Capitals': true, 'Cambria': true, + 'Cartier': true, 'Caslon': true, 'Catull': true, + 'Centaur': true, 'Century Old Style': true, 'Century Schoolbook': true, + 'Chaparral': true, 'Charis SIL': true, 'Cheltenham': true, + 'Cholla Slab': true, 'Clarendon': true, 'Clearface': true, + 'Cochin': true, 'Colonna': true, 'Computer Modern': true, + 'Concrete Roman': true, 'Constantia': true, 'Cooper Black': true, + 'Corona': true, 'Ecotype': true, 'Egyptienne': true, + 'Elephant': true, 'Excelsior': true, 'Fairfield': true, + 'FF Scala': true, 'Folkard': true, 'Footlight': true, + 'FreeSerif': true, 'Friz Quadrata': true, 'Garamond': true, + 'Gentium': true, 'Georgia': true, 'Gloucester': true, + 'Goudy Old Style': true, 'Goudy Schoolbook': true, 'Goudy Pro Font': true, + 'Granjon': true, 'Guardian Egyptian': true, 'Heather': true, + 'Hercules': true, 'High Tower Text': true, 'Hiroshige': true, + 'Hoefler Text': true, 'Humana Serif': true, 'Imprint': true, + 'Ionic No. 5': true, 'Janson': true, 'Joanna': true, + 'Korinna': true, 'Lexicon': true, 'Liberation Serif': true, + 'Linux Libertine': true, 'Literaturnaya': true, 'Lucida': true, + 'Lucida Bright': true, 'Melior': true, 'Memphis': true, + 'Miller': true, 'Minion': true, 'Modern': true, + 'Mona Lisa': true, 'Mrs Eaves': true, 'MS Serif': true, + 'Museo Slab': true, 'New York': true, 'Nimbus Roman': true, + 'NPS Rawlinson Roadway': true, 'Palatino': true, 'Perpetua': true, + 'Plantin': true, 'Plantin Schoolbook': true, 'Playbill': true, + 'Poor Richard': true, 'Rawlinson Roadway': true, 'Renault': true, + 'Requiem': true, 'Rockwell': true, 'Roman': true, + 'Rotis Serif': true, 'Sabon': true, 'Scala': true, + 'Seagull': true, 'Sistina': true, 'Souvenir': true, + 'STIX': true, 'Stone Informal': true, 'Stone Serif': true, + 'Sylfaen': true, 'Times': true, 'Trajan': true, + 'Trinité': true, 'Trump Mediaeval': true, 'Utopia': true, + 'Vale Type': true, 'Bitstream Vera': true, 'Vera Serif': true, + 'Versailles': true, 'Wanted': true, 'Weiss': true, + 'Wide Latin': true, 'Windsor': true, 'XITS': true +}; + +var symbolsFonts = { + 'Dingbats': true, 'Symbol': true, 'ZapfDingbats': true +}; + +// Glyph map for well-known standard fonts. Sometimes Ghostscript uses CID fonts +// but does not embed the CID to GID mapping. The mapping is incomplete for all +// glyphs, but common for some set of the standard fonts. +var GlyphMapForStandardFonts = { + '2': 10, '3': 32, '4': 33, '5': 34, '6': 35, '7': 36, '8': 37, '9': 38, + '10': 39, '11': 40, '12': 41, '13': 42, '14': 43, '15': 44, '16': 45, + '17': 46, '18': 47, '19': 48, '20': 49, '21': 50, '22': 51, '23': 52, + '24': 53, '25': 54, '26': 55, '27': 56, '28': 57, '29': 58, '30': 894, + '31': 60, '32': 61, '33': 62, '34': 63, '35': 64, '36': 65, '37': 66, + '38': 67, '39': 68, '40': 69, '41': 70, '42': 71, '43': 72, '44': 73, + '45': 74, '46': 75, '47': 76, '48': 77, '49': 78, '50': 79, '51': 80, + '52': 81, '53': 82, '54': 83, '55': 84, '56': 85, '57': 86, '58': 87, + '59': 88, '60': 89, '61': 90, '62': 91, '63': 92, '64': 93, '65': 94, + '66': 95, '67': 96, '68': 97, '69': 98, '70': 99, '71': 100, '72': 101, + '73': 102, '74': 103, '75': 104, '76': 105, '77': 106, '78': 107, '79': 108, + '80': 109, '81': 110, '82': 111, '83': 112, '84': 113, '85': 114, '86': 115, + '87': 116, '88': 117, '89': 118, '90': 119, '91': 120, '92': 121, '93': 122, + '94': 123, '95': 124, '96': 125, '97': 126, '98': 196, '99': 197, '100': 199, + '101': 201, '102': 209, '103': 214, '104': 220, '105': 225, '106': 224, + '107': 226, '108': 228, '109': 227, '110': 229, '111': 231, '112': 233, + '113': 232, '114': 234, '115': 235, '116': 237, '117': 236, '118': 238, + '119': 239, '120': 241, '121': 243, '122': 242, '123': 244, '124': 246, + '125': 245, '126': 250, '127': 249, '128': 251, '129': 252, '130': 8224, + '131': 176, '132': 162, '133': 163, '134': 167, '135': 8226, '136': 182, + '137': 223, '138': 174, '139': 169, '140': 8482, '141': 180, '142': 168, + '143': 8800, '144': 198, '145': 216, '146': 8734, '147': 177, '148': 8804, + '149': 8805, '150': 165, '151': 181, '152': 8706, '153': 8721, '154': 8719, + '156': 8747, '157': 170, '158': 186, '159': 8486, '160': 230, '161': 248, + '162': 191, '163': 161, '164': 172, '165': 8730, '166': 402, '167': 8776, + '168': 8710, '169': 171, '170': 187, '171': 8230, '210': 218, '223': 711, + '224': 321, '225': 322, '227': 353, '229': 382, '234': 253, '252': 263, + '253': 268, '254': 269, '258': 258, '260': 260, '261': 261, '265': 280, + '266': 281, '268': 283, '269': 313, '275': 323, '276': 324, '278': 328, + '284': 345, '285': 346, '286': 347, '292': 367, '295': 377, '296': 378, + '298': 380, '305': 963, + '306': 964, '307': 966, '308': 8215, '309': 8252, '310': 8319, '311': 8359, + '312': 8592, '313': 8593, '337': 9552, '493': 1039, '494': 1040, '705': 1524, + '706': 8362, '710': 64288, '711': 64298, '759': 1617, '761': 1776, + '763': 1778, '775': 1652, '777': 1764, '778': 1780, '779': 1781, '780': 1782, + '782': 771, '783': 64726, '786': 8363, '788': 8532, '790': 768, '791': 769, + '792': 768, '795': 803, '797': 64336, '798': 64337, '799': 64342, + '800': 64343, '801': 64344, '802': 64345, '803': 64362, '804': 64363, + '805': 64364, '2424': 7821, '2425': 7822, '2426': 7823, '2427': 7824, + '2428': 7825, '2429': 7826, '2430': 7827, '2433': 7682, '2678': 8045, + '2679': 8046, '2830': 1552, '2838': 686, '2840': 751, '2842': 753, + '2843': 754, '2844': 755, '2846': 757, '2856': 767, '2857': 848, '2858': 849, + '2862': 853, '2863': 854, '2864': 855, '2865': 861, '2866': 862, '2906': 7460, + '2908': 7462, '2909': 7463, '2910': 7464, '2912': 7466, '2913': 7467, + '2914': 7468, '2916': 7470, '2917': 7471, '2918': 7472, '2920': 7474, + '2921': 7475, '2922': 7476, '2924': 7478, '2925': 7479, '2926': 7480, + '2928': 7482, '2929': 7483, '2930': 7484, '2932': 7486, '2933': 7487, + '2934': 7488, '2936': 7490, '2937': 7491, '2938': 7492, '2940': 7494, + '2941': 7495, '2942': 7496, '2944': 7498, '2946': 7500, '2948': 7502, + '2950': 7504, '2951': 7505, '2952': 7506, '2954': 7508, '2955': 7509, + '2956': 7510, '2958': 7512, '2959': 7513, '2960': 7514, '2962': 7516, + '2963': 7517, '2964': 7518, '2966': 7520, '2967': 7521, '2968': 7522, + '2970': 7524, '2971': 7525, '2972': 7526, '2974': 7528, '2975': 7529, + '2976': 7530, '2978': 1537, '2979': 1538, '2980': 1539, '2982': 1549, + '2983': 1551, '2984': 1552, '2986': 1554, '2987': 1555, '2988': 1556, + '2990': 1623, '2991': 1624, '2995': 1775, '2999': 1791, '3002': 64290, + '3003': 64291, '3004': 64292, '3006': 64294, '3007': 64295, '3008': 64296, + '3011': 1900, '3014': 8223, '3015': 8244, '3017': 7532, '3018': 7533, + '3019': 7534, '3075': 7590, '3076': 7591, '3079': 7594, '3080': 7595, + '3083': 7598, '3084': 7599, '3087': 7602, '3088': 7603, '3091': 7606, + '3092': 7607, '3095': 7610, '3096': 7611, '3099': 7614, '3100': 7615, + '3103': 7618, '3104': 7619, '3107': 8337, '3108': 8338, '3116': 1884, + '3119': 1885, '3120': 1885, '3123': 1886, '3124': 1886, '3127': 1887, + '3128': 1887, '3131': 1888, '3132': 1888, '3135': 1889, '3136': 1889, + '3139': 1890, '3140': 1890, '3143': 1891, '3144': 1891, '3147': 1892, + '3148': 1892, '3153': 580, '3154': 581, '3157': 584, '3158': 585, '3161': 588, + '3162': 589, '3165': 891, '3166': 892, '3169': 1274, '3170': 1275, + '3173': 1278, '3174': 1279, '3181': 7622, '3182': 7623, '3282': 11799, + '3316': 578, '3379': 42785, '3393': 1159, '3416': 8377 +}; + +// The glyph map for ArialBlack differs slightly from the glyph map used for +// other well-known standard fonts. Hence we use this (incomplete) CID to GID +// mapping to adjust the glyph map for non-embedded ArialBlack fonts. +var SupplementalGlyphMapForArialBlack = { + '227': 322, '264': 261, '291': 346, +}; + +// Some characters, e.g. copyrightserif, are mapped to the private use area and +// might not be displayed using standard fonts. Mapping/hacking well-known chars +// to the similar equivalents in the normal characters range. +var SpecialPUASymbols = { + '63721': 0x00A9, // copyrightsans (0xF8E9) => copyright + '63193': 0x00A9, // copyrightserif (0xF6D9) => copyright + '63720': 0x00AE, // registersans (0xF8E8) => registered + '63194': 0x00AE, // registerserif (0xF6DA) => registered + '63722': 0x2122, // trademarksans (0xF8EA) => trademark + '63195': 0x2122, // trademarkserif (0xF6DB) => trademark + '63729': 0x23A7, // bracelefttp (0xF8F1) + '63730': 0x23A8, // braceleftmid (0xF8F2) + '63731': 0x23A9, // braceleftbt (0xF8F3) + '63740': 0x23AB, // bracerighttp (0xF8FC) + '63741': 0x23AC, // bracerightmid (0xF8FD) + '63742': 0x23AD, // bracerightbt (0xF8FE) + '63726': 0x23A1, // bracketlefttp (0xF8EE) + '63727': 0x23A2, // bracketleftex (0xF8EF) + '63728': 0x23A3, // bracketleftbt (0xF8F0) + '63737': 0x23A4, // bracketrighttp (0xF8F9) + '63738': 0x23A5, // bracketrightex (0xF8FA) + '63739': 0x23A6, // bracketrightbt (0xF8FB) + '63723': 0x239B, // parenlefttp (0xF8EB) + '63724': 0x239C, // parenleftex (0xF8EC) + '63725': 0x239D, // parenleftbt (0xF8ED) + '63734': 0x239E, // parenrighttp (0xF8F6) + '63735': 0x239F, // parenrightex (0xF8F7) + '63736': 0x23A0, // parenrightbt (0xF8F8) +}; +function mapSpecialUnicodeValues(code) { + if (code >= 0xFFF0 && code <= 0xFFFF) { // Specials unicode block. + return 0; + } else if (code >= 0xF600 && code <= 0xF8FF) { + return (SpecialPUASymbols[code] || code); + } + return code; +} + +var UnicodeRanges = [ + { 'begin': 0x0000, 'end': 0x007F }, // Basic Latin + { 'begin': 0x0080, 'end': 0x00FF }, // Latin-1 Supplement + { 'begin': 0x0100, 'end': 0x017F }, // Latin Extended-A + { 'begin': 0x0180, 'end': 0x024F }, // Latin Extended-B + { 'begin': 0x0250, 'end': 0x02AF }, // IPA Extensions + { 'begin': 0x02B0, 'end': 0x02FF }, // Spacing Modifier Letters + { 'begin': 0x0300, 'end': 0x036F }, // Combining Diacritical Marks + { 'begin': 0x0370, 'end': 0x03FF }, // Greek and Coptic + { 'begin': 0x2C80, 'end': 0x2CFF }, // Coptic + { 'begin': 0x0400, 'end': 0x04FF }, // Cyrillic + { 'begin': 0x0530, 'end': 0x058F }, // Armenian + { 'begin': 0x0590, 'end': 0x05FF }, // Hebrew + { 'begin': 0xA500, 'end': 0xA63F }, // Vai + { 'begin': 0x0600, 'end': 0x06FF }, // Arabic + { 'begin': 0x07C0, 'end': 0x07FF }, // NKo + { 'begin': 0x0900, 'end': 0x097F }, // Devanagari + { 'begin': 0x0980, 'end': 0x09FF }, // Bengali + { 'begin': 0x0A00, 'end': 0x0A7F }, // Gurmukhi + { 'begin': 0x0A80, 'end': 0x0AFF }, // Gujarati + { 'begin': 0x0B00, 'end': 0x0B7F }, // Oriya + { 'begin': 0x0B80, 'end': 0x0BFF }, // Tamil + { 'begin': 0x0C00, 'end': 0x0C7F }, // Telugu + { 'begin': 0x0C80, 'end': 0x0CFF }, // Kannada + { 'begin': 0x0D00, 'end': 0x0D7F }, // Malayalam + { 'begin': 0x0E00, 'end': 0x0E7F }, // Thai + { 'begin': 0x0E80, 'end': 0x0EFF }, // Lao + { 'begin': 0x10A0, 'end': 0x10FF }, // Georgian + { 'begin': 0x1B00, 'end': 0x1B7F }, // Balinese + { 'begin': 0x1100, 'end': 0x11FF }, // Hangul Jamo + { 'begin': 0x1E00, 'end': 0x1EFF }, // Latin Extended Additional + { 'begin': 0x1F00, 'end': 0x1FFF }, // Greek Extended + { 'begin': 0x2000, 'end': 0x206F }, // General Punctuation + { 'begin': 0x2070, 'end': 0x209F }, // Superscripts And Subscripts + { 'begin': 0x20A0, 'end': 0x20CF }, // Currency Symbol + { 'begin': 0x20D0, 'end': 0x20FF }, // Combining Diacritical Marks For Symbols + { 'begin': 0x2100, 'end': 0x214F }, // Letterlike Symbols + { 'begin': 0x2150, 'end': 0x218F }, // Number Forms + { 'begin': 0x2190, 'end': 0x21FF }, // Arrows + { 'begin': 0x2200, 'end': 0x22FF }, // Mathematical Operators + { 'begin': 0x2300, 'end': 0x23FF }, // Miscellaneous Technical + { 'begin': 0x2400, 'end': 0x243F }, // Control Pictures + { 'begin': 0x2440, 'end': 0x245F }, // Optical Character Recognition + { 'begin': 0x2460, 'end': 0x24FF }, // Enclosed Alphanumerics + { 'begin': 0x2500, 'end': 0x257F }, // Box Drawing + { 'begin': 0x2580, 'end': 0x259F }, // Block Elements + { 'begin': 0x25A0, 'end': 0x25FF }, // Geometric Shapes + { 'begin': 0x2600, 'end': 0x26FF }, // Miscellaneous Symbols + { 'begin': 0x2700, 'end': 0x27BF }, // Dingbats + { 'begin': 0x3000, 'end': 0x303F }, // CJK Symbols And Punctuation + { 'begin': 0x3040, 'end': 0x309F }, // Hiragana + { 'begin': 0x30A0, 'end': 0x30FF }, // Katakana + { 'begin': 0x3100, 'end': 0x312F }, // Bopomofo + { 'begin': 0x3130, 'end': 0x318F }, // Hangul Compatibility Jamo + { 'begin': 0xA840, 'end': 0xA87F }, // Phags-pa + { 'begin': 0x3200, 'end': 0x32FF }, // Enclosed CJK Letters And Months + { 'begin': 0x3300, 'end': 0x33FF }, // CJK Compatibility + { 'begin': 0xAC00, 'end': 0xD7AF }, // Hangul Syllables + { 'begin': 0xD800, 'end': 0xDFFF }, // Non-Plane 0 * + { 'begin': 0x10900, 'end': 0x1091F }, // Phoenicia + { 'begin': 0x4E00, 'end': 0x9FFF }, // CJK Unified Ideographs + { 'begin': 0xE000, 'end': 0xF8FF }, // Private Use Area (plane 0) + { 'begin': 0x31C0, 'end': 0x31EF }, // CJK Strokes + { 'begin': 0xFB00, 'end': 0xFB4F }, // Alphabetic Presentation Forms + { 'begin': 0xFB50, 'end': 0xFDFF }, // Arabic Presentation Forms-A + { 'begin': 0xFE20, 'end': 0xFE2F }, // Combining Half Marks + { 'begin': 0xFE10, 'end': 0xFE1F }, // Vertical Forms + { 'begin': 0xFE50, 'end': 0xFE6F }, // Small Form Variants + { 'begin': 0xFE70, 'end': 0xFEFF }, // Arabic Presentation Forms-B + { 'begin': 0xFF00, 'end': 0xFFEF }, // Halfwidth And Fullwidth Forms + { 'begin': 0xFFF0, 'end': 0xFFFF }, // Specials + { 'begin': 0x0F00, 'end': 0x0FFF }, // Tibetan + { 'begin': 0x0700, 'end': 0x074F }, // Syriac + { 'begin': 0x0780, 'end': 0x07BF }, // Thaana + { 'begin': 0x0D80, 'end': 0x0DFF }, // Sinhala + { 'begin': 0x1000, 'end': 0x109F }, // Myanmar + { 'begin': 0x1200, 'end': 0x137F }, // Ethiopic + { 'begin': 0x13A0, 'end': 0x13FF }, // Cherokee + { 'begin': 0x1400, 'end': 0x167F }, // Unified Canadian Aboriginal Syllabics + { 'begin': 0x1680, 'end': 0x169F }, // Ogham + { 'begin': 0x16A0, 'end': 0x16FF }, // Runic + { 'begin': 0x1780, 'end': 0x17FF }, // Khmer + { 'begin': 0x1800, 'end': 0x18AF }, // Mongolian + { 'begin': 0x2800, 'end': 0x28FF }, // Braille Patterns + { 'begin': 0xA000, 'end': 0xA48F }, // Yi Syllables + { 'begin': 0x1700, 'end': 0x171F }, // Tagalog + { 'begin': 0x10300, 'end': 0x1032F }, // Old Italic + { 'begin': 0x10330, 'end': 0x1034F }, // Gothic + { 'begin': 0x10400, 'end': 0x1044F }, // Deseret + { 'begin': 0x1D000, 'end': 0x1D0FF }, // Byzantine Musical Symbols + { 'begin': 0x1D400, 'end': 0x1D7FF }, // Mathematical Alphanumeric Symbols + { 'begin': 0xFF000, 'end': 0xFFFFD }, // Private Use (plane 15) + { 'begin': 0xFE00, 'end': 0xFE0F }, // Variation Selectors + { 'begin': 0xE0000, 'end': 0xE007F }, // Tags + { 'begin': 0x1900, 'end': 0x194F }, // Limbu + { 'begin': 0x1950, 'end': 0x197F }, // Tai Le + { 'begin': 0x1980, 'end': 0x19DF }, // New Tai Lue + { 'begin': 0x1A00, 'end': 0x1A1F }, // Buginese + { 'begin': 0x2C00, 'end': 0x2C5F }, // Glagolitic + { 'begin': 0x2D30, 'end': 0x2D7F }, // Tifinagh + { 'begin': 0x4DC0, 'end': 0x4DFF }, // Yijing Hexagram Symbols + { 'begin': 0xA800, 'end': 0xA82F }, // Syloti Nagri + { 'begin': 0x10000, 'end': 0x1007F }, // Linear B Syllabary + { 'begin': 0x10140, 'end': 0x1018F }, // Ancient Greek Numbers + { 'begin': 0x10380, 'end': 0x1039F }, // Ugaritic + { 'begin': 0x103A0, 'end': 0x103DF }, // Old Persian + { 'begin': 0x10450, 'end': 0x1047F }, // Shavian + { 'begin': 0x10480, 'end': 0x104AF }, // Osmanya + { 'begin': 0x10800, 'end': 0x1083F }, // Cypriot Syllabary + { 'begin': 0x10A00, 'end': 0x10A5F }, // Kharoshthi + { 'begin': 0x1D300, 'end': 0x1D35F }, // Tai Xuan Jing Symbols + { 'begin': 0x12000, 'end': 0x123FF }, // Cuneiform + { 'begin': 0x1D360, 'end': 0x1D37F }, // Counting Rod Numerals + { 'begin': 0x1B80, 'end': 0x1BBF }, // Sundanese + { 'begin': 0x1C00, 'end': 0x1C4F }, // Lepcha + { 'begin': 0x1C50, 'end': 0x1C7F }, // Ol Chiki + { 'begin': 0xA880, 'end': 0xA8DF }, // Saurashtra + { 'begin': 0xA900, 'end': 0xA92F }, // Kayah Li + { 'begin': 0xA930, 'end': 0xA95F }, // Rejang + { 'begin': 0xAA00, 'end': 0xAA5F }, // Cham + { 'begin': 0x10190, 'end': 0x101CF }, // Ancient Symbols + { 'begin': 0x101D0, 'end': 0x101FF }, // Phaistos Disc + { 'begin': 0x102A0, 'end': 0x102DF }, // Carian + { 'begin': 0x1F030, 'end': 0x1F09F } // Domino Tiles +]; + +var MacStandardGlyphOrdering = [ + '.notdef', '.null', 'nonmarkingreturn', 'space', 'exclam', 'quotedbl', + 'numbersign', 'dollar', 'percent', 'ampersand', 'quotesingle', 'parenleft', + 'parenright', 'asterisk', 'plus', 'comma', 'hyphen', 'period', 'slash', + 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', + 'nine', 'colon', 'semicolon', 'less', 'equal', 'greater', 'question', 'at', + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', + 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', + 'backslash', 'bracketright', 'asciicircum', 'underscore', 'grave', 'a', 'b', + 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', + 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', + 'asciitilde', 'Adieresis', 'Aring', 'Ccedilla', 'Eacute', 'Ntilde', + 'Odieresis', 'Udieresis', 'aacute', 'agrave', 'acircumflex', 'adieresis', + 'atilde', 'aring', 'ccedilla', 'eacute', 'egrave', 'ecircumflex', 'edieresis', + 'iacute', 'igrave', 'icircumflex', 'idieresis', 'ntilde', 'oacute', 'ograve', + 'ocircumflex', 'odieresis', 'otilde', 'uacute', 'ugrave', 'ucircumflex', + 'udieresis', 'dagger', 'degree', 'cent', 'sterling', 'section', 'bullet', + 'paragraph', 'germandbls', 'registered', 'copyright', 'trademark', 'acute', + 'dieresis', 'notequal', 'AE', 'Oslash', 'infinity', 'plusminus', 'lessequal', + 'greaterequal', 'yen', 'mu', 'partialdiff', 'summation', 'product', 'pi', + 'integral', 'ordfeminine', 'ordmasculine', 'Omega', 'ae', 'oslash', + 'questiondown', 'exclamdown', 'logicalnot', 'radical', 'florin', + 'approxequal', 'Delta', 'guillemotleft', 'guillemotright', 'ellipsis', + 'nonbreakingspace', 'Agrave', 'Atilde', 'Otilde', 'OE', 'oe', 'endash', + 'emdash', 'quotedblleft', 'quotedblright', 'quoteleft', 'quoteright', + 'divide', 'lozenge', 'ydieresis', 'Ydieresis', 'fraction', 'currency', + 'guilsinglleft', 'guilsinglright', 'fi', 'fl', 'daggerdbl', 'periodcentered', + 'quotesinglbase', 'quotedblbase', 'perthousand', 'Acircumflex', + 'Ecircumflex', 'Aacute', 'Edieresis', 'Egrave', 'Iacute', 'Icircumflex', + 'Idieresis', 'Igrave', 'Oacute', 'Ocircumflex', 'apple', 'Ograve', 'Uacute', + 'Ucircumflex', 'Ugrave', 'dotlessi', 'circumflex', 'tilde', 'macron', + 'breve', 'dotaccent', 'ring', 'cedilla', 'hungarumlaut', 'ogonek', 'caron', + 'Lslash', 'lslash', 'Scaron', 'scaron', 'Zcaron', 'zcaron', 'brokenbar', + 'Eth', 'eth', 'Yacute', 'yacute', 'Thorn', 'thorn', 'minus', 'multiply', + 'onesuperior', 'twosuperior', 'threesuperior', 'onehalf', 'onequarter', + 'threequarters', 'franc', 'Gbreve', 'gbreve', 'Idotaccent', 'Scedilla', + 'scedilla', 'Cacute', 'cacute', 'Ccaron', 'ccaron', 'dcroat']; + +function getUnicodeRangeFor(value) { + for (var i = 0, ii = UnicodeRanges.length; i < ii; i++) { + var range = UnicodeRanges[i]; + if (value >= range.begin && value < range.end) { + return i; + } + } + return -1; +} + +function isRTLRangeFor(value) { + var range = UnicodeRanges[13]; + if (value >= range.begin && value < range.end) { + return true; + } + range = UnicodeRanges[11]; + if (value >= range.begin && value < range.end) { + return true; + } + return false; +} + +// The normalization table is obtained by filtering the Unicode characters +// database with entries. +var NormalizedUnicodes = { + '\u00A8': '\u0020\u0308', + '\u00AF': '\u0020\u0304', + '\u00B4': '\u0020\u0301', + '\u00B5': '\u03BC', + '\u00B8': '\u0020\u0327', + '\u0132': '\u0049\u004A', + '\u0133': '\u0069\u006A', + '\u013F': '\u004C\u00B7', + '\u0140': '\u006C\u00B7', + '\u0149': '\u02BC\u006E', + '\u017F': '\u0073', + '\u01C4': '\u0044\u017D', + '\u01C5': '\u0044\u017E', + '\u01C6': '\u0064\u017E', + '\u01C7': '\u004C\u004A', + '\u01C8': '\u004C\u006A', + '\u01C9': '\u006C\u006A', + '\u01CA': '\u004E\u004A', + '\u01CB': '\u004E\u006A', + '\u01CC': '\u006E\u006A', + '\u01F1': '\u0044\u005A', + '\u01F2': '\u0044\u007A', + '\u01F3': '\u0064\u007A', + '\u02D8': '\u0020\u0306', + '\u02D9': '\u0020\u0307', + '\u02DA': '\u0020\u030A', + '\u02DB': '\u0020\u0328', + '\u02DC': '\u0020\u0303', + '\u02DD': '\u0020\u030B', + '\u037A': '\u0020\u0345', + '\u0384': '\u0020\u0301', + '\u03D0': '\u03B2', + '\u03D1': '\u03B8', + '\u03D2': '\u03A5', + '\u03D5': '\u03C6', + '\u03D6': '\u03C0', + '\u03F0': '\u03BA', + '\u03F1': '\u03C1', + '\u03F2': '\u03C2', + '\u03F4': '\u0398', + '\u03F5': '\u03B5', + '\u03F9': '\u03A3', + '\u0587': '\u0565\u0582', + '\u0675': '\u0627\u0674', + '\u0676': '\u0648\u0674', + '\u0677': '\u06C7\u0674', + '\u0678': '\u064A\u0674', + '\u0E33': '\u0E4D\u0E32', + '\u0EB3': '\u0ECD\u0EB2', + '\u0EDC': '\u0EAB\u0E99', + '\u0EDD': '\u0EAB\u0EA1', + '\u0F77': '\u0FB2\u0F81', + '\u0F79': '\u0FB3\u0F81', + '\u1E9A': '\u0061\u02BE', + '\u1FBD': '\u0020\u0313', + '\u1FBF': '\u0020\u0313', + '\u1FC0': '\u0020\u0342', + '\u1FFE': '\u0020\u0314', + '\u2002': '\u0020', + '\u2003': '\u0020', + '\u2004': '\u0020', + '\u2005': '\u0020', + '\u2006': '\u0020', + '\u2008': '\u0020', + '\u2009': '\u0020', + '\u200A': '\u0020', + '\u2017': '\u0020\u0333', + '\u2024': '\u002E', + '\u2025': '\u002E\u002E', + '\u2026': '\u002E\u002E\u002E', + '\u2033': '\u2032\u2032', + '\u2034': '\u2032\u2032\u2032', + '\u2036': '\u2035\u2035', + '\u2037': '\u2035\u2035\u2035', + '\u203C': '\u0021\u0021', + '\u203E': '\u0020\u0305', + '\u2047': '\u003F\u003F', + '\u2048': '\u003F\u0021', + '\u2049': '\u0021\u003F', + '\u2057': '\u2032\u2032\u2032\u2032', + '\u205F': '\u0020', + '\u20A8': '\u0052\u0073', + '\u2100': '\u0061\u002F\u0063', + '\u2101': '\u0061\u002F\u0073', + '\u2103': '\u00B0\u0043', + '\u2105': '\u0063\u002F\u006F', + '\u2106': '\u0063\u002F\u0075', + '\u2107': '\u0190', + '\u2109': '\u00B0\u0046', + '\u2116': '\u004E\u006F', + '\u2121': '\u0054\u0045\u004C', + '\u2135': '\u05D0', + '\u2136': '\u05D1', + '\u2137': '\u05D2', + '\u2138': '\u05D3', + '\u213B': '\u0046\u0041\u0058', + '\u2160': '\u0049', + '\u2161': '\u0049\u0049', + '\u2162': '\u0049\u0049\u0049', + '\u2163': '\u0049\u0056', + '\u2164': '\u0056', + '\u2165': '\u0056\u0049', + '\u2166': '\u0056\u0049\u0049', + '\u2167': '\u0056\u0049\u0049\u0049', + '\u2168': '\u0049\u0058', + '\u2169': '\u0058', + '\u216A': '\u0058\u0049', + '\u216B': '\u0058\u0049\u0049', + '\u216C': '\u004C', + '\u216D': '\u0043', + '\u216E': '\u0044', + '\u216F': '\u004D', + '\u2170': '\u0069', + '\u2171': '\u0069\u0069', + '\u2172': '\u0069\u0069\u0069', + '\u2173': '\u0069\u0076', + '\u2174': '\u0076', + '\u2175': '\u0076\u0069', + '\u2176': '\u0076\u0069\u0069', + '\u2177': '\u0076\u0069\u0069\u0069', + '\u2178': '\u0069\u0078', + '\u2179': '\u0078', + '\u217A': '\u0078\u0069', + '\u217B': '\u0078\u0069\u0069', + '\u217C': '\u006C', + '\u217D': '\u0063', + '\u217E': '\u0064', + '\u217F': '\u006D', + '\u222C': '\u222B\u222B', + '\u222D': '\u222B\u222B\u222B', + '\u222F': '\u222E\u222E', + '\u2230': '\u222E\u222E\u222E', + '\u2474': '\u0028\u0031\u0029', + '\u2475': '\u0028\u0032\u0029', + '\u2476': '\u0028\u0033\u0029', + '\u2477': '\u0028\u0034\u0029', + '\u2478': '\u0028\u0035\u0029', + '\u2479': '\u0028\u0036\u0029', + '\u247A': '\u0028\u0037\u0029', + '\u247B': '\u0028\u0038\u0029', + '\u247C': '\u0028\u0039\u0029', + '\u247D': '\u0028\u0031\u0030\u0029', + '\u247E': '\u0028\u0031\u0031\u0029', + '\u247F': '\u0028\u0031\u0032\u0029', + '\u2480': '\u0028\u0031\u0033\u0029', + '\u2481': '\u0028\u0031\u0034\u0029', + '\u2482': '\u0028\u0031\u0035\u0029', + '\u2483': '\u0028\u0031\u0036\u0029', + '\u2484': '\u0028\u0031\u0037\u0029', + '\u2485': '\u0028\u0031\u0038\u0029', + '\u2486': '\u0028\u0031\u0039\u0029', + '\u2487': '\u0028\u0032\u0030\u0029', + '\u2488': '\u0031\u002E', + '\u2489': '\u0032\u002E', + '\u248A': '\u0033\u002E', + '\u248B': '\u0034\u002E', + '\u248C': '\u0035\u002E', + '\u248D': '\u0036\u002E', + '\u248E': '\u0037\u002E', + '\u248F': '\u0038\u002E', + '\u2490': '\u0039\u002E', + '\u2491': '\u0031\u0030\u002E', + '\u2492': '\u0031\u0031\u002E', + '\u2493': '\u0031\u0032\u002E', + '\u2494': '\u0031\u0033\u002E', + '\u2495': '\u0031\u0034\u002E', + '\u2496': '\u0031\u0035\u002E', + '\u2497': '\u0031\u0036\u002E', + '\u2498': '\u0031\u0037\u002E', + '\u2499': '\u0031\u0038\u002E', + '\u249A': '\u0031\u0039\u002E', + '\u249B': '\u0032\u0030\u002E', + '\u249C': '\u0028\u0061\u0029', + '\u249D': '\u0028\u0062\u0029', + '\u249E': '\u0028\u0063\u0029', + '\u249F': '\u0028\u0064\u0029', + '\u24A0': '\u0028\u0065\u0029', + '\u24A1': '\u0028\u0066\u0029', + '\u24A2': '\u0028\u0067\u0029', + '\u24A3': '\u0028\u0068\u0029', + '\u24A4': '\u0028\u0069\u0029', + '\u24A5': '\u0028\u006A\u0029', + '\u24A6': '\u0028\u006B\u0029', + '\u24A7': '\u0028\u006C\u0029', + '\u24A8': '\u0028\u006D\u0029', + '\u24A9': '\u0028\u006E\u0029', + '\u24AA': '\u0028\u006F\u0029', + '\u24AB': '\u0028\u0070\u0029', + '\u24AC': '\u0028\u0071\u0029', + '\u24AD': '\u0028\u0072\u0029', + '\u24AE': '\u0028\u0073\u0029', + '\u24AF': '\u0028\u0074\u0029', + '\u24B0': '\u0028\u0075\u0029', + '\u24B1': '\u0028\u0076\u0029', + '\u24B2': '\u0028\u0077\u0029', + '\u24B3': '\u0028\u0078\u0029', + '\u24B4': '\u0028\u0079\u0029', + '\u24B5': '\u0028\u007A\u0029', + '\u2A0C': '\u222B\u222B\u222B\u222B', + '\u2A74': '\u003A\u003A\u003D', + '\u2A75': '\u003D\u003D', + '\u2A76': '\u003D\u003D\u003D', + '\u2E9F': '\u6BCD', + '\u2EF3': '\u9F9F', + '\u2F00': '\u4E00', + '\u2F01': '\u4E28', + '\u2F02': '\u4E36', + '\u2F03': '\u4E3F', + '\u2F04': '\u4E59', + '\u2F05': '\u4E85', + '\u2F06': '\u4E8C', + '\u2F07': '\u4EA0', + '\u2F08': '\u4EBA', + '\u2F09': '\u513F', + '\u2F0A': '\u5165', + '\u2F0B': '\u516B', + '\u2F0C': '\u5182', + '\u2F0D': '\u5196', + '\u2F0E': '\u51AB', + '\u2F0F': '\u51E0', + '\u2F10': '\u51F5', + '\u2F11': '\u5200', + '\u2F12': '\u529B', + '\u2F13': '\u52F9', + '\u2F14': '\u5315', + '\u2F15': '\u531A', + '\u2F16': '\u5338', + '\u2F17': '\u5341', + '\u2F18': '\u535C', + '\u2F19': '\u5369', + '\u2F1A': '\u5382', + '\u2F1B': '\u53B6', + '\u2F1C': '\u53C8', + '\u2F1D': '\u53E3', + '\u2F1E': '\u56D7', + '\u2F1F': '\u571F', + '\u2F20': '\u58EB', + '\u2F21': '\u5902', + '\u2F22': '\u590A', + '\u2F23': '\u5915', + '\u2F24': '\u5927', + '\u2F25': '\u5973', + '\u2F26': '\u5B50', + '\u2F27': '\u5B80', + '\u2F28': '\u5BF8', + '\u2F29': '\u5C0F', + '\u2F2A': '\u5C22', + '\u2F2B': '\u5C38', + '\u2F2C': '\u5C6E', + '\u2F2D': '\u5C71', + '\u2F2E': '\u5DDB', + '\u2F2F': '\u5DE5', + '\u2F30': '\u5DF1', + '\u2F31': '\u5DFE', + '\u2F32': '\u5E72', + '\u2F33': '\u5E7A', + '\u2F34': '\u5E7F', + '\u2F35': '\u5EF4', + '\u2F36': '\u5EFE', + '\u2F37': '\u5F0B', + '\u2F38': '\u5F13', + '\u2F39': '\u5F50', + '\u2F3A': '\u5F61', + '\u2F3B': '\u5F73', + '\u2F3C': '\u5FC3', + '\u2F3D': '\u6208', + '\u2F3E': '\u6236', + '\u2F3F': '\u624B', + '\u2F40': '\u652F', + '\u2F41': '\u6534', + '\u2F42': '\u6587', + '\u2F43': '\u6597', + '\u2F44': '\u65A4', + '\u2F45': '\u65B9', + '\u2F46': '\u65E0', + '\u2F47': '\u65E5', + '\u2F48': '\u66F0', + '\u2F49': '\u6708', + '\u2F4A': '\u6728', + '\u2F4B': '\u6B20', + '\u2F4C': '\u6B62', + '\u2F4D': '\u6B79', + '\u2F4E': '\u6BB3', + '\u2F4F': '\u6BCB', + '\u2F50': '\u6BD4', + '\u2F51': '\u6BDB', + '\u2F52': '\u6C0F', + '\u2F53': '\u6C14', + '\u2F54': '\u6C34', + '\u2F55': '\u706B', + '\u2F56': '\u722A', + '\u2F57': '\u7236', + '\u2F58': '\u723B', + '\u2F59': '\u723F', + '\u2F5A': '\u7247', + '\u2F5B': '\u7259', + '\u2F5C': '\u725B', + '\u2F5D': '\u72AC', + '\u2F5E': '\u7384', + '\u2F5F': '\u7389', + '\u2F60': '\u74DC', + '\u2F61': '\u74E6', + '\u2F62': '\u7518', + '\u2F63': '\u751F', + '\u2F64': '\u7528', + '\u2F65': '\u7530', + '\u2F66': '\u758B', + '\u2F67': '\u7592', + '\u2F68': '\u7676', + '\u2F69': '\u767D', + '\u2F6A': '\u76AE', + '\u2F6B': '\u76BF', + '\u2F6C': '\u76EE', + '\u2F6D': '\u77DB', + '\u2F6E': '\u77E2', + '\u2F6F': '\u77F3', + '\u2F70': '\u793A', + '\u2F71': '\u79B8', + '\u2F72': '\u79BE', + '\u2F73': '\u7A74', + '\u2F74': '\u7ACB', + '\u2F75': '\u7AF9', + '\u2F76': '\u7C73', + '\u2F77': '\u7CF8', + '\u2F78': '\u7F36', + '\u2F79': '\u7F51', + '\u2F7A': '\u7F8A', + '\u2F7B': '\u7FBD', + '\u2F7C': '\u8001', + '\u2F7D': '\u800C', + '\u2F7E': '\u8012', + '\u2F7F': '\u8033', + '\u2F80': '\u807F', + '\u2F81': '\u8089', + '\u2F82': '\u81E3', + '\u2F83': '\u81EA', + '\u2F84': '\u81F3', + '\u2F85': '\u81FC', + '\u2F86': '\u820C', + '\u2F87': '\u821B', + '\u2F88': '\u821F', + '\u2F89': '\u826E', + '\u2F8A': '\u8272', + '\u2F8B': '\u8278', + '\u2F8C': '\u864D', + '\u2F8D': '\u866B', + '\u2F8E': '\u8840', + '\u2F8F': '\u884C', + '\u2F90': '\u8863', + '\u2F91': '\u897E', + '\u2F92': '\u898B', + '\u2F93': '\u89D2', + '\u2F94': '\u8A00', + '\u2F95': '\u8C37', + '\u2F96': '\u8C46', + '\u2F97': '\u8C55', + '\u2F98': '\u8C78', + '\u2F99': '\u8C9D', + '\u2F9A': '\u8D64', + '\u2F9B': '\u8D70', + '\u2F9C': '\u8DB3', + '\u2F9D': '\u8EAB', + '\u2F9E': '\u8ECA', + '\u2F9F': '\u8F9B', + '\u2FA0': '\u8FB0', + '\u2FA1': '\u8FB5', + '\u2FA2': '\u9091', + '\u2FA3': '\u9149', + '\u2FA4': '\u91C6', + '\u2FA5': '\u91CC', + '\u2FA6': '\u91D1', + '\u2FA7': '\u9577', + '\u2FA8': '\u9580', + '\u2FA9': '\u961C', + '\u2FAA': '\u96B6', + '\u2FAB': '\u96B9', + '\u2FAC': '\u96E8', + '\u2FAD': '\u9751', + '\u2FAE': '\u975E', + '\u2FAF': '\u9762', + '\u2FB0': '\u9769', + '\u2FB1': '\u97CB', + '\u2FB2': '\u97ED', + '\u2FB3': '\u97F3', + '\u2FB4': '\u9801', + '\u2FB5': '\u98A8', + '\u2FB6': '\u98DB', + '\u2FB7': '\u98DF', + '\u2FB8': '\u9996', + '\u2FB9': '\u9999', + '\u2FBA': '\u99AC', + '\u2FBB': '\u9AA8', + '\u2FBC': '\u9AD8', + '\u2FBD': '\u9ADF', + '\u2FBE': '\u9B25', + '\u2FBF': '\u9B2F', + '\u2FC0': '\u9B32', + '\u2FC1': '\u9B3C', + '\u2FC2': '\u9B5A', + '\u2FC3': '\u9CE5', + '\u2FC4': '\u9E75', + '\u2FC5': '\u9E7F', + '\u2FC6': '\u9EA5', + '\u2FC7': '\u9EBB', + '\u2FC8': '\u9EC3', + '\u2FC9': '\u9ECD', + '\u2FCA': '\u9ED1', + '\u2FCB': '\u9EF9', + '\u2FCC': '\u9EFD', + '\u2FCD': '\u9F0E', + '\u2FCE': '\u9F13', + '\u2FCF': '\u9F20', + '\u2FD0': '\u9F3B', + '\u2FD1': '\u9F4A', + '\u2FD2': '\u9F52', + '\u2FD3': '\u9F8D', + '\u2FD4': '\u9F9C', + '\u2FD5': '\u9FA0', + '\u3036': '\u3012', + '\u3038': '\u5341', + '\u3039': '\u5344', + '\u303A': '\u5345', + '\u309B': '\u0020\u3099', + '\u309C': '\u0020\u309A', + '\u3131': '\u1100', + '\u3132': '\u1101', + '\u3133': '\u11AA', + '\u3134': '\u1102', + '\u3135': '\u11AC', + '\u3136': '\u11AD', + '\u3137': '\u1103', + '\u3138': '\u1104', + '\u3139': '\u1105', + '\u313A': '\u11B0', + '\u313B': '\u11B1', + '\u313C': '\u11B2', + '\u313D': '\u11B3', + '\u313E': '\u11B4', + '\u313F': '\u11B5', + '\u3140': '\u111A', + '\u3141': '\u1106', + '\u3142': '\u1107', + '\u3143': '\u1108', + '\u3144': '\u1121', + '\u3145': '\u1109', + '\u3146': '\u110A', + '\u3147': '\u110B', + '\u3148': '\u110C', + '\u3149': '\u110D', + '\u314A': '\u110E', + '\u314B': '\u110F', + '\u314C': '\u1110', + '\u314D': '\u1111', + '\u314E': '\u1112', + '\u314F': '\u1161', + '\u3150': '\u1162', + '\u3151': '\u1163', + '\u3152': '\u1164', + '\u3153': '\u1165', + '\u3154': '\u1166', + '\u3155': '\u1167', + '\u3156': '\u1168', + '\u3157': '\u1169', + '\u3158': '\u116A', + '\u3159': '\u116B', + '\u315A': '\u116C', + '\u315B': '\u116D', + '\u315C': '\u116E', + '\u315D': '\u116F', + '\u315E': '\u1170', + '\u315F': '\u1171', + '\u3160': '\u1172', + '\u3161': '\u1173', + '\u3162': '\u1174', + '\u3163': '\u1175', + '\u3164': '\u1160', + '\u3165': '\u1114', + '\u3166': '\u1115', + '\u3167': '\u11C7', + '\u3168': '\u11C8', + '\u3169': '\u11CC', + '\u316A': '\u11CE', + '\u316B': '\u11D3', + '\u316C': '\u11D7', + '\u316D': '\u11D9', + '\u316E': '\u111C', + '\u316F': '\u11DD', + '\u3170': '\u11DF', + '\u3171': '\u111D', + '\u3172': '\u111E', + '\u3173': '\u1120', + '\u3174': '\u1122', + '\u3175': '\u1123', + '\u3176': '\u1127', + '\u3177': '\u1129', + '\u3178': '\u112B', + '\u3179': '\u112C', + '\u317A': '\u112D', + '\u317B': '\u112E', + '\u317C': '\u112F', + '\u317D': '\u1132', + '\u317E': '\u1136', + '\u317F': '\u1140', + '\u3180': '\u1147', + '\u3181': '\u114C', + '\u3182': '\u11F1', + '\u3183': '\u11F2', + '\u3184': '\u1157', + '\u3185': '\u1158', + '\u3186': '\u1159', + '\u3187': '\u1184', + '\u3188': '\u1185', + '\u3189': '\u1188', + '\u318A': '\u1191', + '\u318B': '\u1192', + '\u318C': '\u1194', + '\u318D': '\u119E', + '\u318E': '\u11A1', + '\u3200': '\u0028\u1100\u0029', + '\u3201': '\u0028\u1102\u0029', + '\u3202': '\u0028\u1103\u0029', + '\u3203': '\u0028\u1105\u0029', + '\u3204': '\u0028\u1106\u0029', + '\u3205': '\u0028\u1107\u0029', + '\u3206': '\u0028\u1109\u0029', + '\u3207': '\u0028\u110B\u0029', + '\u3208': '\u0028\u110C\u0029', + '\u3209': '\u0028\u110E\u0029', + '\u320A': '\u0028\u110F\u0029', + '\u320B': '\u0028\u1110\u0029', + '\u320C': '\u0028\u1111\u0029', + '\u320D': '\u0028\u1112\u0029', + '\u320E': '\u0028\u1100\u1161\u0029', + '\u320F': '\u0028\u1102\u1161\u0029', + '\u3210': '\u0028\u1103\u1161\u0029', + '\u3211': '\u0028\u1105\u1161\u0029', + '\u3212': '\u0028\u1106\u1161\u0029', + '\u3213': '\u0028\u1107\u1161\u0029', + '\u3214': '\u0028\u1109\u1161\u0029', + '\u3215': '\u0028\u110B\u1161\u0029', + '\u3216': '\u0028\u110C\u1161\u0029', + '\u3217': '\u0028\u110E\u1161\u0029', + '\u3218': '\u0028\u110F\u1161\u0029', + '\u3219': '\u0028\u1110\u1161\u0029', + '\u321A': '\u0028\u1111\u1161\u0029', + '\u321B': '\u0028\u1112\u1161\u0029', + '\u321C': '\u0028\u110C\u116E\u0029', + '\u321D': '\u0028\u110B\u1169\u110C\u1165\u11AB\u0029', + '\u321E': '\u0028\u110B\u1169\u1112\u116E\u0029', + '\u3220': '\u0028\u4E00\u0029', + '\u3221': '\u0028\u4E8C\u0029', + '\u3222': '\u0028\u4E09\u0029', + '\u3223': '\u0028\u56DB\u0029', + '\u3224': '\u0028\u4E94\u0029', + '\u3225': '\u0028\u516D\u0029', + '\u3226': '\u0028\u4E03\u0029', + '\u3227': '\u0028\u516B\u0029', + '\u3228': '\u0028\u4E5D\u0029', + '\u3229': '\u0028\u5341\u0029', + '\u322A': '\u0028\u6708\u0029', + '\u322B': '\u0028\u706B\u0029', + '\u322C': '\u0028\u6C34\u0029', + '\u322D': '\u0028\u6728\u0029', + '\u322E': '\u0028\u91D1\u0029', + '\u322F': '\u0028\u571F\u0029', + '\u3230': '\u0028\u65E5\u0029', + '\u3231': '\u0028\u682A\u0029', + '\u3232': '\u0028\u6709\u0029', + '\u3233': '\u0028\u793E\u0029', + '\u3234': '\u0028\u540D\u0029', + '\u3235': '\u0028\u7279\u0029', + '\u3236': '\u0028\u8CA1\u0029', + '\u3237': '\u0028\u795D\u0029', + '\u3238': '\u0028\u52B4\u0029', + '\u3239': '\u0028\u4EE3\u0029', + '\u323A': '\u0028\u547C\u0029', + '\u323B': '\u0028\u5B66\u0029', + '\u323C': '\u0028\u76E3\u0029', + '\u323D': '\u0028\u4F01\u0029', + '\u323E': '\u0028\u8CC7\u0029', + '\u323F': '\u0028\u5354\u0029', + '\u3240': '\u0028\u796D\u0029', + '\u3241': '\u0028\u4F11\u0029', + '\u3242': '\u0028\u81EA\u0029', + '\u3243': '\u0028\u81F3\u0029', + '\u32C0': '\u0031\u6708', + '\u32C1': '\u0032\u6708', + '\u32C2': '\u0033\u6708', + '\u32C3': '\u0034\u6708', + '\u32C4': '\u0035\u6708', + '\u32C5': '\u0036\u6708', + '\u32C6': '\u0037\u6708', + '\u32C7': '\u0038\u6708', + '\u32C8': '\u0039\u6708', + '\u32C9': '\u0031\u0030\u6708', + '\u32CA': '\u0031\u0031\u6708', + '\u32CB': '\u0031\u0032\u6708', + '\u3358': '\u0030\u70B9', + '\u3359': '\u0031\u70B9', + '\u335A': '\u0032\u70B9', + '\u335B': '\u0033\u70B9', + '\u335C': '\u0034\u70B9', + '\u335D': '\u0035\u70B9', + '\u335E': '\u0036\u70B9', + '\u335F': '\u0037\u70B9', + '\u3360': '\u0038\u70B9', + '\u3361': '\u0039\u70B9', + '\u3362': '\u0031\u0030\u70B9', + '\u3363': '\u0031\u0031\u70B9', + '\u3364': '\u0031\u0032\u70B9', + '\u3365': '\u0031\u0033\u70B9', + '\u3366': '\u0031\u0034\u70B9', + '\u3367': '\u0031\u0035\u70B9', + '\u3368': '\u0031\u0036\u70B9', + '\u3369': '\u0031\u0037\u70B9', + '\u336A': '\u0031\u0038\u70B9', + '\u336B': '\u0031\u0039\u70B9', + '\u336C': '\u0032\u0030\u70B9', + '\u336D': '\u0032\u0031\u70B9', + '\u336E': '\u0032\u0032\u70B9', + '\u336F': '\u0032\u0033\u70B9', + '\u3370': '\u0032\u0034\u70B9', + '\u33E0': '\u0031\u65E5', + '\u33E1': '\u0032\u65E5', + '\u33E2': '\u0033\u65E5', + '\u33E3': '\u0034\u65E5', + '\u33E4': '\u0035\u65E5', + '\u33E5': '\u0036\u65E5', + '\u33E6': '\u0037\u65E5', + '\u33E7': '\u0038\u65E5', + '\u33E8': '\u0039\u65E5', + '\u33E9': '\u0031\u0030\u65E5', + '\u33EA': '\u0031\u0031\u65E5', + '\u33EB': '\u0031\u0032\u65E5', + '\u33EC': '\u0031\u0033\u65E5', + '\u33ED': '\u0031\u0034\u65E5', + '\u33EE': '\u0031\u0035\u65E5', + '\u33EF': '\u0031\u0036\u65E5', + '\u33F0': '\u0031\u0037\u65E5', + '\u33F1': '\u0031\u0038\u65E5', + '\u33F2': '\u0031\u0039\u65E5', + '\u33F3': '\u0032\u0030\u65E5', + '\u33F4': '\u0032\u0031\u65E5', + '\u33F5': '\u0032\u0032\u65E5', + '\u33F6': '\u0032\u0033\u65E5', + '\u33F7': '\u0032\u0034\u65E5', + '\u33F8': '\u0032\u0035\u65E5', + '\u33F9': '\u0032\u0036\u65E5', + '\u33FA': '\u0032\u0037\u65E5', + '\u33FB': '\u0032\u0038\u65E5', + '\u33FC': '\u0032\u0039\u65E5', + '\u33FD': '\u0033\u0030\u65E5', + '\u33FE': '\u0033\u0031\u65E5', + '\uFB00': '\u0066\u0066', + '\uFB01': '\u0066\u0069', + '\uFB02': '\u0066\u006C', + '\uFB03': '\u0066\u0066\u0069', + '\uFB04': '\u0066\u0066\u006C', + '\uFB05': '\u017F\u0074', + '\uFB06': '\u0073\u0074', + '\uFB13': '\u0574\u0576', + '\uFB14': '\u0574\u0565', + '\uFB15': '\u0574\u056B', + '\uFB16': '\u057E\u0576', + '\uFB17': '\u0574\u056D', + '\uFB4F': '\u05D0\u05DC', + '\uFB50': '\u0671', + '\uFB51': '\u0671', + '\uFB52': '\u067B', + '\uFB53': '\u067B', + '\uFB54': '\u067B', + '\uFB55': '\u067B', + '\uFB56': '\u067E', + '\uFB57': '\u067E', + '\uFB58': '\u067E', + '\uFB59': '\u067E', + '\uFB5A': '\u0680', + '\uFB5B': '\u0680', + '\uFB5C': '\u0680', + '\uFB5D': '\u0680', + '\uFB5E': '\u067A', + '\uFB5F': '\u067A', + '\uFB60': '\u067A', + '\uFB61': '\u067A', + '\uFB62': '\u067F', + '\uFB63': '\u067F', + '\uFB64': '\u067F', + '\uFB65': '\u067F', + '\uFB66': '\u0679', + '\uFB67': '\u0679', + '\uFB68': '\u0679', + '\uFB69': '\u0679', + '\uFB6A': '\u06A4', + '\uFB6B': '\u06A4', + '\uFB6C': '\u06A4', + '\uFB6D': '\u06A4', + '\uFB6E': '\u06A6', + '\uFB6F': '\u06A6', + '\uFB70': '\u06A6', + '\uFB71': '\u06A6', + '\uFB72': '\u0684', + '\uFB73': '\u0684', + '\uFB74': '\u0684', + '\uFB75': '\u0684', + '\uFB76': '\u0683', + '\uFB77': '\u0683', + '\uFB78': '\u0683', + '\uFB79': '\u0683', + '\uFB7A': '\u0686', + '\uFB7B': '\u0686', + '\uFB7C': '\u0686', + '\uFB7D': '\u0686', + '\uFB7E': '\u0687', + '\uFB7F': '\u0687', + '\uFB80': '\u0687', + '\uFB81': '\u0687', + '\uFB82': '\u068D', + '\uFB83': '\u068D', + '\uFB84': '\u068C', + '\uFB85': '\u068C', + '\uFB86': '\u068E', + '\uFB87': '\u068E', + '\uFB88': '\u0688', + '\uFB89': '\u0688', + '\uFB8A': '\u0698', + '\uFB8B': '\u0698', + '\uFB8C': '\u0691', + '\uFB8D': '\u0691', + '\uFB8E': '\u06A9', + '\uFB8F': '\u06A9', + '\uFB90': '\u06A9', + '\uFB91': '\u06A9', + '\uFB92': '\u06AF', + '\uFB93': '\u06AF', + '\uFB94': '\u06AF', + '\uFB95': '\u06AF', + '\uFB96': '\u06B3', + '\uFB97': '\u06B3', + '\uFB98': '\u06B3', + '\uFB99': '\u06B3', + '\uFB9A': '\u06B1', + '\uFB9B': '\u06B1', + '\uFB9C': '\u06B1', + '\uFB9D': '\u06B1', + '\uFB9E': '\u06BA', + '\uFB9F': '\u06BA', + '\uFBA0': '\u06BB', + '\uFBA1': '\u06BB', + '\uFBA2': '\u06BB', + '\uFBA3': '\u06BB', + '\uFBA4': '\u06C0', + '\uFBA5': '\u06C0', + '\uFBA6': '\u06C1', + '\uFBA7': '\u06C1', + '\uFBA8': '\u06C1', + '\uFBA9': '\u06C1', + '\uFBAA': '\u06BE', + '\uFBAB': '\u06BE', + '\uFBAC': '\u06BE', + '\uFBAD': '\u06BE', + '\uFBAE': '\u06D2', + '\uFBAF': '\u06D2', + '\uFBB0': '\u06D3', + '\uFBB1': '\u06D3', + '\uFBD3': '\u06AD', + '\uFBD4': '\u06AD', + '\uFBD5': '\u06AD', + '\uFBD6': '\u06AD', + '\uFBD7': '\u06C7', + '\uFBD8': '\u06C7', + '\uFBD9': '\u06C6', + '\uFBDA': '\u06C6', + '\uFBDB': '\u06C8', + '\uFBDC': '\u06C8', + '\uFBDD': '\u0677', + '\uFBDE': '\u06CB', + '\uFBDF': '\u06CB', + '\uFBE0': '\u06C5', + '\uFBE1': '\u06C5', + '\uFBE2': '\u06C9', + '\uFBE3': '\u06C9', + '\uFBE4': '\u06D0', + '\uFBE5': '\u06D0', + '\uFBE6': '\u06D0', + '\uFBE7': '\u06D0', + '\uFBE8': '\u0649', + '\uFBE9': '\u0649', + '\uFBEA': '\u0626\u0627', + '\uFBEB': '\u0626\u0627', + '\uFBEC': '\u0626\u06D5', + '\uFBED': '\u0626\u06D5', + '\uFBEE': '\u0626\u0648', + '\uFBEF': '\u0626\u0648', + '\uFBF0': '\u0626\u06C7', + '\uFBF1': '\u0626\u06C7', + '\uFBF2': '\u0626\u06C6', + '\uFBF3': '\u0626\u06C6', + '\uFBF4': '\u0626\u06C8', + '\uFBF5': '\u0626\u06C8', + '\uFBF6': '\u0626\u06D0', + '\uFBF7': '\u0626\u06D0', + '\uFBF8': '\u0626\u06D0', + '\uFBF9': '\u0626\u0649', + '\uFBFA': '\u0626\u0649', + '\uFBFB': '\u0626\u0649', + '\uFBFC': '\u06CC', + '\uFBFD': '\u06CC', + '\uFBFE': '\u06CC', + '\uFBFF': '\u06CC', + '\uFC00': '\u0626\u062C', + '\uFC01': '\u0626\u062D', + '\uFC02': '\u0626\u0645', + '\uFC03': '\u0626\u0649', + '\uFC04': '\u0626\u064A', + '\uFC05': '\u0628\u062C', + '\uFC06': '\u0628\u062D', + '\uFC07': '\u0628\u062E', + '\uFC08': '\u0628\u0645', + '\uFC09': '\u0628\u0649', + '\uFC0A': '\u0628\u064A', + '\uFC0B': '\u062A\u062C', + '\uFC0C': '\u062A\u062D', + '\uFC0D': '\u062A\u062E', + '\uFC0E': '\u062A\u0645', + '\uFC0F': '\u062A\u0649', + '\uFC10': '\u062A\u064A', + '\uFC11': '\u062B\u062C', + '\uFC12': '\u062B\u0645', + '\uFC13': '\u062B\u0649', + '\uFC14': '\u062B\u064A', + '\uFC15': '\u062C\u062D', + '\uFC16': '\u062C\u0645', + '\uFC17': '\u062D\u062C', + '\uFC18': '\u062D\u0645', + '\uFC19': '\u062E\u062C', + '\uFC1A': '\u062E\u062D', + '\uFC1B': '\u062E\u0645', + '\uFC1C': '\u0633\u062C', + '\uFC1D': '\u0633\u062D', + '\uFC1E': '\u0633\u062E', + '\uFC1F': '\u0633\u0645', + '\uFC20': '\u0635\u062D', + '\uFC21': '\u0635\u0645', + '\uFC22': '\u0636\u062C', + '\uFC23': '\u0636\u062D', + 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'\u0645\u062E', + '\uFC48': '\u0645\u0645', + '\uFC49': '\u0645\u0649', + '\uFC4A': '\u0645\u064A', + '\uFC4B': '\u0646\u062C', + '\uFC4C': '\u0646\u062D', + '\uFC4D': '\u0646\u062E', + '\uFC4E': '\u0646\u0645', + '\uFC4F': '\u0646\u0649', + '\uFC50': '\u0646\u064A', + '\uFC51': '\u0647\u062C', + '\uFC52': '\u0647\u0645', + '\uFC53': '\u0647\u0649', + '\uFC54': '\u0647\u064A', + '\uFC55': '\u064A\u062C', + '\uFC56': '\u064A\u062D', + '\uFC57': '\u064A\u062E', + '\uFC58': '\u064A\u0645', + '\uFC59': '\u064A\u0649', + '\uFC5A': '\u064A\u064A', + '\uFC5B': '\u0630\u0670', + '\uFC5C': '\u0631\u0670', + '\uFC5D': '\u0649\u0670', + '\uFC5E': '\u0020\u064C\u0651', + '\uFC5F': '\u0020\u064D\u0651', + '\uFC60': '\u0020\u064E\u0651', + '\uFC61': '\u0020\u064F\u0651', + '\uFC62': '\u0020\u0650\u0651', + '\uFC63': '\u0020\u0651\u0670', + '\uFC64': '\u0626\u0631', + '\uFC65': '\u0626\u0632', + '\uFC66': '\u0626\u0645', + '\uFC67': '\u0626\u0646', + '\uFC68': '\u0626\u0649', + '\uFC69': 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'\uFC8D': '\u0646\u0646', + '\uFC8E': '\u0646\u0649', + '\uFC8F': '\u0646\u064A', + '\uFC90': '\u0649\u0670', + '\uFC91': '\u064A\u0631', + '\uFC92': '\u064A\u0632', + '\uFC93': '\u064A\u0645', + '\uFC94': '\u064A\u0646', + '\uFC95': '\u064A\u0649', + '\uFC96': '\u064A\u064A', + '\uFC97': '\u0626\u062C', + '\uFC98': '\u0626\u062D', + '\uFC99': '\u0626\u062E', + '\uFC9A': '\u0626\u0645', + '\uFC9B': '\u0626\u0647', + '\uFC9C': '\u0628\u062C', + '\uFC9D': '\u0628\u062D', + '\uFC9E': '\u0628\u062E', + '\uFC9F': '\u0628\u0645', + '\uFCA0': '\u0628\u0647', + '\uFCA1': '\u062A\u062C', + '\uFCA2': '\u062A\u062D', + '\uFCA3': '\u062A\u062E', + '\uFCA4': '\u062A\u0645', + '\uFCA5': '\u062A\u0647', + '\uFCA6': '\u062B\u0645', + '\uFCA7': '\u062C\u062D', + '\uFCA8': '\u062C\u0645', + '\uFCA9': '\u062D\u062C', + '\uFCAA': '\u062D\u0645', + '\uFCAB': '\u062E\u062C', + '\uFCAC': '\u062E\u0645', + '\uFCAD': '\u0633\u062C', + '\uFCAE': '\u0633\u062D', + '\uFCAF': '\u0633\u062E', + '\uFCB0': '\u0633\u0645', + '\uFCB1': '\u0635\u062D', + '\uFCB2': '\u0635\u062E', + '\uFCB3': '\u0635\u0645', + '\uFCB4': '\u0636\u062C', + '\uFCB5': '\u0636\u062D', + '\uFCB6': '\u0636\u062E', + '\uFCB7': '\u0636\u0645', + '\uFCB8': '\u0637\u062D', + '\uFCB9': '\u0638\u0645', + '\uFCBA': '\u0639\u062C', + '\uFCBB': '\u0639\u0645', + '\uFCBC': '\u063A\u062C', + '\uFCBD': '\u063A\u0645', + '\uFCBE': '\u0641\u062C', + '\uFCBF': '\u0641\u062D', + '\uFCC0': '\u0641\u062E', + '\uFCC1': '\u0641\u0645', + '\uFCC2': '\u0642\u062D', + '\uFCC3': '\u0642\u0645', + '\uFCC4': '\u0643\u062C', + '\uFCC5': '\u0643\u062D', + '\uFCC6': '\u0643\u062E', + '\uFCC7': '\u0643\u0644', + '\uFCC8': '\u0643\u0645', + '\uFCC9': '\u0644\u062C', + '\uFCCA': '\u0644\u062D', + '\uFCCB': '\u0644\u062E', + '\uFCCC': '\u0644\u0645', + '\uFCCD': '\u0644\u0647', + '\uFCCE': '\u0645\u062C', + '\uFCCF': '\u0645\u062D', + '\uFCD0': '\u0645\u062E', + '\uFCD1': '\u0645\u0645', + '\uFCD2': '\u0646\u062C', + '\uFCD3': '\u0646\u062D', + '\uFCD4': '\u0646\u062E', + '\uFCD5': '\u0646\u0645', + '\uFCD6': '\u0646\u0647', + '\uFCD7': '\u0647\u062C', + '\uFCD8': '\u0647\u0645', + '\uFCD9': '\u0647\u0670', + '\uFCDA': '\u064A\u062C', + '\uFCDB': '\u064A\u062D', + '\uFCDC': '\u064A\u062E', + '\uFCDD': '\u064A\u0645', + '\uFCDE': '\u064A\u0647', + '\uFCDF': '\u0626\u0645', + '\uFCE0': '\u0626\u0647', + '\uFCE1': '\u0628\u0645', + '\uFCE2': '\u0628\u0647', + '\uFCE3': '\u062A\u0645', + '\uFCE4': '\u062A\u0647', + '\uFCE5': '\u062B\u0645', + '\uFCE6': '\u062B\u0647', + '\uFCE7': '\u0633\u0645', + '\uFCE8': '\u0633\u0647', + '\uFCE9': '\u0634\u0645', + '\uFCEA': '\u0634\u0647', + '\uFCEB': '\u0643\u0644', + '\uFCEC': '\u0643\u0645', + '\uFCED': '\u0644\u0645', + '\uFCEE': '\u0646\u0645', + '\uFCEF': '\u0646\u0647', + '\uFCF0': '\u064A\u0645', + '\uFCF1': '\u064A\u0647', + '\uFCF2': '\u0640\u064E\u0651', + '\uFCF3': '\u0640\u064F\u0651', + '\uFCF4': '\u0640\u0650\u0651', + '\uFCF5': '\u0637\u0649', + '\uFCF6': '\u0637\u064A', + '\uFCF7': '\u0639\u0649', + '\uFCF8': '\u0639\u064A', + '\uFCF9': '\u063A\u0649', + '\uFCFA': '\u063A\u064A', + '\uFCFB': '\u0633\u0649', + '\uFCFC': '\u0633\u064A', + '\uFCFD': '\u0634\u0649', + '\uFCFE': '\u0634\u064A', + '\uFCFF': '\u062D\u0649', + '\uFD00': '\u062D\u064A', + '\uFD01': '\u062C\u0649', + '\uFD02': '\u062C\u064A', + '\uFD03': '\u062E\u0649', + '\uFD04': '\u062E\u064A', + '\uFD05': '\u0635\u0649', + '\uFD06': '\u0635\u064A', + '\uFD07': '\u0636\u0649', + '\uFD08': '\u0636\u064A', + '\uFD09': '\u0634\u062C', + '\uFD0A': '\u0634\u062D', + '\uFD0B': '\u0634\u062E', + '\uFD0C': '\u0634\u0645', + '\uFD0D': '\u0634\u0631', + '\uFD0E': '\u0633\u0631', + '\uFD0F': '\u0635\u0631', + '\uFD10': '\u0636\u0631', + '\uFD11': '\u0637\u0649', + '\uFD12': '\u0637\u064A', + '\uFD13': '\u0639\u0649', + '\uFD14': '\u0639\u064A', + '\uFD15': '\u063A\u0649', + '\uFD16': '\u063A\u064A', + '\uFD17': '\u0633\u0649', + '\uFD18': '\u0633\u064A', + '\uFD19': '\u0634\u0649', + '\uFD1A': '\u0634\u064A', + '\uFD1B': '\u062D\u0649', + '\uFD1C': '\u062D\u064A', + '\uFD1D': '\u062C\u0649', + '\uFD1E': '\u062C\u064A', + '\uFD1F': '\u062E\u0649', + '\uFD20': '\u062E\u064A', + '\uFD21': '\u0635\u0649', + '\uFD22': '\u0635\u064A', + '\uFD23': '\u0636\u0649', + '\uFD24': '\u0636\u064A', + '\uFD25': '\u0634\u062C', + '\uFD26': '\u0634\u062D', + '\uFD27': '\u0634\u062E', + '\uFD28': '\u0634\u0645', + '\uFD29': '\u0634\u0631', + '\uFD2A': '\u0633\u0631', + '\uFD2B': '\u0635\u0631', + '\uFD2C': '\u0636\u0631', + '\uFD2D': '\u0634\u062C', + '\uFD2E': '\u0634\u062D', + '\uFD2F': '\u0634\u062E', + '\uFD30': '\u0634\u0645', + '\uFD31': '\u0633\u0647', + '\uFD32': '\u0634\u0647', + '\uFD33': '\u0637\u0645', + '\uFD34': '\u0633\u062C', + '\uFD35': '\u0633\u062D', + '\uFD36': '\u0633\u062E', + '\uFD37': '\u0634\u062C', + '\uFD38': '\u0634\u062D', + '\uFD39': '\u0634\u062E', + '\uFD3A': '\u0637\u0645', + '\uFD3B': '\u0638\u0645', + '\uFD3C': '\u0627\u064B', + '\uFD3D': '\u0627\u064B', + '\uFD50': '\u062A\u062C\u0645', + '\uFD51': '\u062A\u062D\u062C', + '\uFD52': '\u062A\u062D\u062C', + '\uFD53': '\u062A\u062D\u0645', + '\uFD54': '\u062A\u062E\u0645', + '\uFD55': '\u062A\u0645\u062C', + '\uFD56': '\u062A\u0645\u062D', + '\uFD57': '\u062A\u0645\u062E', + '\uFD58': '\u062C\u0645\u062D', + '\uFD59': '\u062C\u0645\u062D', + '\uFD5A': '\u062D\u0645\u064A', + '\uFD5B': '\u062D\u0645\u0649', + '\uFD5C': '\u0633\u062D\u062C', + '\uFD5D': '\u0633\u062C\u062D', + '\uFD5E': '\u0633\u062C\u0649', + '\uFD5F': '\u0633\u0645\u062D', + '\uFD60': '\u0633\u0645\u062D', + '\uFD61': '\u0633\u0645\u062C', + '\uFD62': '\u0633\u0645\u0645', + '\uFD63': '\u0633\u0645\u0645', + '\uFD64': '\u0635\u062D\u062D', + '\uFD65': '\u0635\u062D\u062D', + '\uFD66': '\u0635\u0645\u0645', + '\uFD67': '\u0634\u062D\u0645', + '\uFD68': '\u0634\u062D\u0645', + '\uFD69': '\u0634\u062C\u064A', + '\uFD6A': '\u0634\u0645\u062E', + '\uFD6B': '\u0634\u0645\u062E', + '\uFD6C': '\u0634\u0645\u0645', + '\uFD6D': '\u0634\u0645\u0645', + '\uFD6E': '\u0636\u062D\u0649', + '\uFD6F': '\u0636\u062E\u0645', + '\uFD70': '\u0636\u062E\u0645', + '\uFD71': '\u0637\u0645\u062D', + '\uFD72': '\u0637\u0645\u062D', + '\uFD73': '\u0637\u0645\u0645', + '\uFD74': '\u0637\u0645\u064A', + '\uFD75': '\u0639\u062C\u0645', + '\uFD76': '\u0639\u0645\u0645', + '\uFD77': '\u0639\u0645\u0645', + '\uFD78': '\u0639\u0645\u0649', + '\uFD79': '\u063A\u0645\u0645', + '\uFD7A': '\u063A\u0645\u064A', + '\uFD7B': '\u063A\u0645\u0649', + '\uFD7C': '\u0641\u062E\u0645', + '\uFD7D': '\u0641\u062E\u0645', + '\uFD7E': '\u0642\u0645\u062D', + '\uFD7F': '\u0642\u0645\u0645', + '\uFD80': '\u0644\u062D\u0645', + '\uFD81': '\u0644\u062D\u064A', + '\uFD82': '\u0644\u062D\u0649', + '\uFD83': '\u0644\u062C\u062C', + '\uFD84': '\u0644\u062C\u062C', + '\uFD85': '\u0644\u062E\u0645', + '\uFD86': '\u0644\u062E\u0645', + '\uFD87': '\u0644\u0645\u062D', + '\uFD88': '\u0644\u0645\u062D', + '\uFD89': '\u0645\u062D\u062C', + '\uFD8A': '\u0645\u062D\u0645', + '\uFD8B': '\u0645\u062D\u064A', + '\uFD8C': '\u0645\u062C\u062D', + '\uFD8D': '\u0645\u062C\u0645', + '\uFD8E': '\u0645\u062E\u062C', + '\uFD8F': '\u0645\u062E\u0645', + '\uFD92': '\u0645\u062C\u062E', + '\uFD93': '\u0647\u0645\u062C', + '\uFD94': '\u0647\u0645\u0645', + '\uFD95': '\u0646\u062D\u0645', + '\uFD96': '\u0646\u062D\u0649', + '\uFD97': '\u0646\u062C\u0645', + '\uFD98': '\u0646\u062C\u0645', + '\uFD99': '\u0646\u062C\u0649', + '\uFD9A': '\u0646\u0645\u064A', + '\uFD9B': '\u0646\u0645\u0649', + '\uFD9C': '\u064A\u0645\u0645', + '\uFD9D': '\u064A\u0645\u0645', + '\uFD9E': '\u0628\u062E\u064A', + '\uFD9F': '\u062A\u062C\u064A', + '\uFDA0': '\u062A\u062C\u0649', + '\uFDA1': '\u062A\u062E\u064A', + '\uFDA2': '\u062A\u062E\u0649', + '\uFDA3': '\u062A\u0645\u064A', + '\uFDA4': '\u062A\u0645\u0649', + '\uFDA5': '\u062C\u0645\u064A', + '\uFDA6': '\u062C\u062D\u0649', + '\uFDA7': '\u062C\u0645\u0649', + '\uFDA8': '\u0633\u062E\u0649', + '\uFDA9': '\u0635\u062D\u064A', + '\uFDAA': '\u0634\u062D\u064A', + '\uFDAB': '\u0636\u062D\u064A', + '\uFDAC': '\u0644\u062C\u064A', + '\uFDAD': '\u0644\u0645\u064A', + '\uFDAE': '\u064A\u062D\u064A', + '\uFDAF': '\u064A\u062C\u064A', + '\uFDB0': '\u064A\u0645\u064A', + '\uFDB1': '\u0645\u0645\u064A', + '\uFDB2': '\u0642\u0645\u064A', + '\uFDB3': '\u0646\u062D\u064A', + '\uFDB4': '\u0642\u0645\u062D', + '\uFDB5': '\u0644\u062D\u0645', + '\uFDB6': '\u0639\u0645\u064A', + '\uFDB7': '\u0643\u0645\u064A', + '\uFDB8': '\u0646\u062C\u062D', + '\uFDB9': '\u0645\u062E\u064A', + '\uFDBA': '\u0644\u062C\u0645', + '\uFDBB': '\u0643\u0645\u0645', + '\uFDBC': '\u0644\u062C\u0645', + '\uFDBD': '\u0646\u062C\u062D', + '\uFDBE': '\u062C\u062D\u064A', + '\uFDBF': '\u062D\u062C\u064A', + '\uFDC0': '\u0645\u062C\u064A', + '\uFDC1': '\u0641\u0645\u064A', + '\uFDC2': '\u0628\u062D\u064A', + '\uFDC3': '\u0643\u0645\u0645', + '\uFDC4': '\u0639\u062C\u0645', + '\uFDC5': '\u0635\u0645\u0645', + '\uFDC6': '\u0633\u062E\u064A', + '\uFDC7': '\u0646\u062C\u064A', + '\uFE49': '\u203E', + '\uFE4A': '\u203E', + '\uFE4B': '\u203E', + '\uFE4C': '\u203E', + '\uFE4D': '\u005F', + '\uFE4E': '\u005F', + '\uFE4F': '\u005F', + '\uFE80': '\u0621', + '\uFE81': '\u0622', + '\uFE82': '\u0622', + '\uFE83': '\u0623', + '\uFE84': '\u0623', + '\uFE85': '\u0624', + '\uFE86': '\u0624', + '\uFE87': '\u0625', + '\uFE88': '\u0625', + '\uFE89': '\u0626', + '\uFE8A': '\u0626', + '\uFE8B': '\u0626', + '\uFE8C': '\u0626', + '\uFE8D': '\u0627', + '\uFE8E': '\u0627', + '\uFE8F': '\u0628', + '\uFE90': '\u0628', + '\uFE91': '\u0628', + '\uFE92': '\u0628', + '\uFE93': '\u0629', + '\uFE94': '\u0629', + '\uFE95': '\u062A', + '\uFE96': '\u062A', + '\uFE97': '\u062A', + '\uFE98': '\u062A', + '\uFE99': '\u062B', + '\uFE9A': '\u062B', + '\uFE9B': '\u062B', + '\uFE9C': '\u062B', + '\uFE9D': '\u062C', + '\uFE9E': '\u062C', + '\uFE9F': '\u062C', + '\uFEA0': '\u062C', + '\uFEA1': '\u062D', + '\uFEA2': '\u062D', + '\uFEA3': '\u062D', + '\uFEA4': '\u062D', + '\uFEA5': '\u062E', + '\uFEA6': '\u062E', + '\uFEA7': '\u062E', + '\uFEA8': '\u062E', + '\uFEA9': '\u062F', + '\uFEAA': '\u062F', + '\uFEAB': '\u0630', + '\uFEAC': '\u0630', + '\uFEAD': '\u0631', + '\uFEAE': '\u0631', + '\uFEAF': '\u0632', + '\uFEB0': '\u0632', + '\uFEB1': '\u0633', + '\uFEB2': '\u0633', + '\uFEB3': '\u0633', + '\uFEB4': '\u0633', + '\uFEB5': '\u0634', + '\uFEB6': '\u0634', + '\uFEB7': '\u0634', + '\uFEB8': '\u0634', + '\uFEB9': '\u0635', + '\uFEBA': '\u0635', + '\uFEBB': '\u0635', + '\uFEBC': '\u0635', + '\uFEBD': '\u0636', + '\uFEBE': '\u0636', + '\uFEBF': '\u0636', + '\uFEC0': '\u0636', + '\uFEC1': '\u0637', + '\uFEC2': '\u0637', + '\uFEC3': '\u0637', + '\uFEC4': '\u0637', + '\uFEC5': '\u0638', + '\uFEC6': '\u0638', + '\uFEC7': '\u0638', + '\uFEC8': '\u0638', + '\uFEC9': '\u0639', + '\uFECA': '\u0639', + '\uFECB': '\u0639', + '\uFECC': '\u0639', + '\uFECD': '\u063A', + '\uFECE': '\u063A', + '\uFECF': '\u063A', + '\uFED0': '\u063A', + '\uFED1': '\u0641', + '\uFED2': '\u0641', + '\uFED3': '\u0641', + '\uFED4': '\u0641', + '\uFED5': '\u0642', + '\uFED6': '\u0642', + '\uFED7': '\u0642', + '\uFED8': '\u0642', + '\uFED9': '\u0643', + '\uFEDA': '\u0643', + '\uFEDB': '\u0643', + '\uFEDC': '\u0643', + '\uFEDD': '\u0644', + '\uFEDE': '\u0644', + '\uFEDF': '\u0644', + '\uFEE0': '\u0644', + '\uFEE1': '\u0645', + '\uFEE2': '\u0645', + '\uFEE3': '\u0645', + '\uFEE4': '\u0645', + '\uFEE5': '\u0646', + '\uFEE6': '\u0646', + '\uFEE7': '\u0646', + '\uFEE8': '\u0646', + '\uFEE9': '\u0647', + '\uFEEA': '\u0647', + '\uFEEB': '\u0647', + '\uFEEC': '\u0647', + '\uFEED': '\u0648', + '\uFEEE': '\u0648', + '\uFEEF': '\u0649', + '\uFEF0': '\u0649', + '\uFEF1': '\u064A', + '\uFEF2': '\u064A', + '\uFEF3': '\u064A', + '\uFEF4': '\u064A', + '\uFEF5': '\u0644\u0622', + '\uFEF6': '\u0644\u0622', + '\uFEF7': '\u0644\u0623', + '\uFEF8': '\u0644\u0623', + '\uFEF9': '\u0644\u0625', + '\uFEFA': '\u0644\u0625', + '\uFEFB': '\u0644\u0627', + '\uFEFC': '\u0644\u0627' +}; + +function reverseIfRtl(chars) { + var charsLength = chars.length; + //reverse an arabic ligature + if (charsLength <= 1 || !isRTLRangeFor(chars.charCodeAt(0))) { + return chars; + } + var s = ''; + for (var ii = charsLength - 1; ii >= 0; ii--) { + s += chars[ii]; + } + return s; +} + +function adjustWidths(properties) { + if (!properties.fontMatrix) { + return; + } + if (properties.fontMatrix[0] === FONT_IDENTITY_MATRIX[0]) { + return; + } + // adjusting width to fontMatrix scale + var scale = 0.001 / properties.fontMatrix[0]; + var glyphsWidths = properties.widths; + for (var glyph in glyphsWidths) { + glyphsWidths[glyph] *= scale; + } + properties.defaultWidth *= scale; +} + +function getFontType(type, subtype) { + switch (type) { + case 'Type1': + return subtype === 'Type1C' ? FontType.TYPE1C : FontType.TYPE1; + case 'CIDFontType0': + return subtype === 'CIDFontType0C' ? FontType.CIDFONTTYPE0C : + FontType.CIDFONTTYPE0; + case 'OpenType': + return FontType.OPENTYPE; + case 'TrueType': + return FontType.TRUETYPE; + case 'CIDFontType2': + return FontType.CIDFONTTYPE2; + case 'MMType1': + return FontType.MMTYPE1; + case 'Type0': + return FontType.TYPE0; + default: + return FontType.UNKNOWN; + } +} + +var Glyph = (function GlyphClosure() { + function Glyph(fontChar, unicode, accent, width, vmetric, operatorListId, + isSpace) { + this.fontChar = fontChar; + this.unicode = unicode; + this.accent = accent; + this.width = width; + this.vmetric = vmetric; + this.operatorListId = operatorListId; + this.isSpace = isSpace; + } + + Glyph.prototype.matchesForCache = function(fontChar, unicode, accent, width, + vmetric, operatorListId, isSpace) { + return this.fontChar === fontChar && + this.unicode === unicode && + this.accent === accent && + this.width === width && + this.vmetric === vmetric && + this.operatorListId === operatorListId && + this.isSpace === isSpace; + }; + + return Glyph; +})(); + +var ToUnicodeMap = (function ToUnicodeMapClosure() { + function ToUnicodeMap(cmap) { + // The elements of this._map can be integers or strings, depending on how + // |cmap| was created. + this._map = cmap; + } + + ToUnicodeMap.prototype = { + get length() { + return this._map.length; + }, + + forEach: function(callback) { + for (var charCode in this._map) { + callback(charCode, this._map[charCode].charCodeAt(0)); + } + }, + + has: function(i) { + return this._map[i] !== undefined; + }, + + get: function(i) { + return this._map[i]; + }, + + charCodeOf: function(v) { + return this._map.indexOf(v); + } + }; + + return ToUnicodeMap; +})(); + +var IdentityToUnicodeMap = (function IdentityToUnicodeMapClosure() { + function IdentityToUnicodeMap(firstChar, lastChar) { + this.firstChar = firstChar; + this.lastChar = lastChar; + } + + IdentityToUnicodeMap.prototype = { + get length() { + return (this.lastChar + 1) - this.firstChar; + }, + + forEach: function (callback) { + for (var i = this.firstChar, ii = this.lastChar; i <= ii; i++) { + callback(i, i); + } + }, + + has: function (i) { + return this.firstChar <= i && i <= this.lastChar; + }, + + get: function (i) { + if (this.firstChar <= i && i <= this.lastChar) { + return String.fromCharCode(i); + } + return undefined; + }, + + charCodeOf: function (v) { + return (isInt(v) && v >= this.firstChar && v <= this.lastChar) ? v : -1; + } + }; + + return IdentityToUnicodeMap; +})(); + +var OpenTypeFileBuilder = (function OpenTypeFileBuilderClosure() { + function writeInt16(dest, offset, num) { + dest[offset] = (num >> 8) & 0xFF; + dest[offset + 1] = num & 0xFF; + } + + function writeInt32(dest, offset, num) { + dest[offset] = (num >> 24) & 0xFF; + dest[offset + 1] = (num >> 16) & 0xFF; + dest[offset + 2] = (num >> 8) & 0xFF; + dest[offset + 3] = num & 0xFF; + } + + function writeData(dest, offset, data) { + var i, ii; + if (data instanceof Uint8Array) { + dest.set(data, offset); + } else if (typeof data === 'string') { + for (i = 0, ii = data.length; i < ii; i++) { + dest[offset++] = data.charCodeAt(i) & 0xFF; + } + } else { + // treating everything else as array + for (i = 0, ii = data.length; i < ii; i++) { + dest[offset++] = data[i] & 0xFF; + } + } + } + + function OpenTypeFileBuilder(sfnt) { + this.sfnt = sfnt; + this.tables = Object.create(null); + } + + OpenTypeFileBuilder.getSearchParams = + function OpenTypeFileBuilder_getSearchParams(entriesCount, entrySize) { + var maxPower2 = 1, log2 = 0; + while ((maxPower2 ^ entriesCount) > maxPower2) { + maxPower2 <<= 1; + log2++; + } + var searchRange = maxPower2 * entrySize; + return { + range: searchRange, + entry: log2, + rangeShift: entrySize * entriesCount - searchRange + }; + }; + + var OTF_HEADER_SIZE = 12; + var OTF_TABLE_ENTRY_SIZE = 16; + + OpenTypeFileBuilder.prototype = { + toArray: function OpenTypeFileBuilder_toArray() { + var sfnt = this.sfnt; + + // Tables needs to be written by ascendant alphabetic order + var tables = this.tables; + var tablesNames = Object.keys(tables); + tablesNames.sort(); + var numTables = tablesNames.length; + + var i, j, jj, table, tableName; + // layout the tables data + var offset = OTF_HEADER_SIZE + numTables * OTF_TABLE_ENTRY_SIZE; + var tableOffsets = [offset]; + for (i = 0; i < numTables; i++) { + table = tables[tablesNames[i]]; + var paddedLength = ((table.length + 3) & ~3) >>> 0; + offset += paddedLength; + tableOffsets.push(offset); + } + + var file = new Uint8Array(offset); + // write the table data first (mostly for checksum) + for (i = 0; i < numTables; i++) { + table = tables[tablesNames[i]]; + writeData(file, tableOffsets[i], table); + } + + // sfnt version (4 bytes) + if (sfnt === 'true') { + // Windows hates the Mac TrueType sfnt version number + sfnt = string32(0x00010000); + } + file[0] = sfnt.charCodeAt(0) & 0xFF; + file[1] = sfnt.charCodeAt(1) & 0xFF; + file[2] = sfnt.charCodeAt(2) & 0xFF; + file[3] = sfnt.charCodeAt(3) & 0xFF; + + // numTables (2 bytes) + writeInt16(file, 4, numTables); + + var searchParams = OpenTypeFileBuilder.getSearchParams(numTables, 16); + + // searchRange (2 bytes) + writeInt16(file, 6, searchParams.range); + // entrySelector (2 bytes) + writeInt16(file, 8, searchParams.entry); + // rangeShift (2 bytes) + writeInt16(file, 10, searchParams.rangeShift); + + offset = OTF_HEADER_SIZE; + // writing table entries + for (i = 0; i < numTables; i++) { + tableName = tablesNames[i]; + file[offset] = tableName.charCodeAt(0) & 0xFF; + file[offset + 1] = tableName.charCodeAt(1) & 0xFF; + file[offset + 2] = tableName.charCodeAt(2) & 0xFF; + file[offset + 3] = tableName.charCodeAt(3) & 0xFF; + + // checksum + var checksum = 0; + for (j = tableOffsets[i], jj = tableOffsets[i + 1]; j < jj; j += 4) { + var quad = (file[j] << 24) + (file[j + 1] << 16) + + (file[j + 2] << 8) + file[j + 3]; + checksum = (checksum + quad) | 0; + } + writeInt32(file, offset + 4, checksum); + + // offset + writeInt32(file, offset + 8, tableOffsets[i]); + // length + writeInt32(file, offset + 12, tables[tableName].length); + + offset += OTF_TABLE_ENTRY_SIZE; + } + return file; + }, + + addTable: function OpenTypeFileBuilder_addTable(tag, data) { + if (tag in this.tables) { + throw new Error('Table ' + tag + ' already exists'); + } + this.tables[tag] = data; + } + }; + + return OpenTypeFileBuilder; +})(); + +// Problematic Unicode characters in the fonts that needs to be moved to avoid +// issues when they are painted on the canvas, e.g. complex-script shaping or +// control/whitespace characters. The ranges are listed in pairs: the first item +// is a code of the first problematic code, the second one is the next +// non-problematic code. The ranges must be in sorted order. +var ProblematicCharRanges = new Int32Array([ + // Control characters. + 0x0000, 0x0020, + 0x007F, 0x00A1, + 0x00AD, 0x00AE, + // Chars that is used in complex-script shaping. + 0x0600, 0x0780, + 0x08A0, 0x10A0, + 0x1780, 0x1800, + // General punctuation chars. + 0x2000, 0x2010, + 0x2011, 0x2012, + 0x2028, 0x2030, + 0x205F, 0x2070, + 0x25CC, 0x25CD, + // Chars that is used in complex-script shaping. + 0xAA60, 0xAA80, + // Specials Unicode block. + 0xFFF0, 0x10000 +]); + +/** + * 'Font' is the class the outside world should use, it encapsulate all the font + * decoding logics whatever type it is (assuming the font type is supported). + * + * For example to read a Type1 font and to attach it to the document: + * var type1Font = new Font("MyFontName", binaryFile, propertiesObject); + * type1Font.bind(); + */ +var Font = (function FontClosure() { + function Font(name, file, properties) { + var charCode, glyphName, fontChar; + + this.name = name; + this.loadedName = properties.loadedName; + this.isType3Font = properties.isType3Font; + this.sizes = []; + + this.glyphCache = {}; + + var names = name.split('+'); + names = names.length > 1 ? names[1] : names[0]; + names = names.split(/[-,_]/g)[0]; + this.isSerifFont = !!(properties.flags & FontFlags.Serif); + this.isSymbolicFont = !!(properties.flags & FontFlags.Symbolic); + this.isMonospace = !!(properties.flags & FontFlags.FixedPitch); + + var type = properties.type; + var subtype = properties.subtype; + this.type = type; + + this.fallbackName = (this.isMonospace ? 'monospace' : + (this.isSerifFont ? 'serif' : 'sans-serif')); + + this.differences = properties.differences; + this.widths = properties.widths; + this.defaultWidth = properties.defaultWidth; + this.composite = properties.composite; + this.wideChars = properties.wideChars; + this.cMap = properties.cMap; + this.ascent = properties.ascent / PDF_GLYPH_SPACE_UNITS; + this.descent = properties.descent / PDF_GLYPH_SPACE_UNITS; + this.fontMatrix = properties.fontMatrix; + this.bbox = properties.bbox; + + this.toUnicode = properties.toUnicode = this.buildToUnicode(properties); + + this.toFontChar = []; + + if (properties.type === 'Type3') { + for (charCode = 0; charCode < 256; charCode++) { + this.toFontChar[charCode] = (this.differences[charCode] || + properties.defaultEncoding[charCode]); + } + this.fontType = FontType.TYPE3; + return; + } + + this.cidEncoding = properties.cidEncoding; + this.vertical = properties.vertical; + if (this.vertical) { + this.vmetrics = properties.vmetrics; + this.defaultVMetrics = properties.defaultVMetrics; + } + + if (!file || file.isEmpty) { + if (file) { + // Some bad PDF generators will include empty font files, + // attempting to recover by assuming that no file exists. + warn('Font file is empty in "' + name + '" (' + this.loadedName + ')'); + } + + this.missingFile = true; + // The file data is not specified. Trying to fix the font name + // to be used with the canvas.font. + var fontName = name.replace(/[,_]/g, '-'); + var isStandardFont = !!stdFontMap[fontName] || + !!(nonStdFontMap[fontName] && stdFontMap[nonStdFontMap[fontName]]); + fontName = stdFontMap[fontName] || nonStdFontMap[fontName] || fontName; + + this.bold = (fontName.search(/bold/gi) !== -1); + this.italic = ((fontName.search(/oblique/gi) !== -1) || + (fontName.search(/italic/gi) !== -1)); + + // Use 'name' instead of 'fontName' here because the original + // name ArialBlack for example will be replaced by Helvetica. + this.black = (name.search(/Black/g) !== -1); + + // if at least one width is present, remeasure all chars when exists + this.remeasure = Object.keys(this.widths).length > 0; + if (isStandardFont && type === 'CIDFontType2' && + properties.cidEncoding.indexOf('Identity-') === 0) { + // Standard fonts might be embedded as CID font without glyph mapping. + // Building one based on GlyphMapForStandardFonts. + var map = []; + for (charCode in GlyphMapForStandardFonts) { + map[+charCode] = GlyphMapForStandardFonts[charCode]; + } + if (/ArialBlack/i.test(name)) { + for (charCode in SupplementalGlyphMapForArialBlack) { + map[+charCode] = SupplementalGlyphMapForArialBlack[charCode]; + } + } + var isIdentityUnicode = this.toUnicode instanceof IdentityToUnicodeMap; + if (!isIdentityUnicode) { + this.toUnicode.forEach(function(charCode, unicodeCharCode) { + map[+charCode] = unicodeCharCode; + }); + } + this.toFontChar = map; + this.toUnicode = new ToUnicodeMap(map); + } else if (/Symbol/i.test(fontName)) { + var symbols = Encodings.SymbolSetEncoding; + for (charCode in symbols) { + fontChar = GlyphsUnicode[symbols[charCode]]; + if (!fontChar) { + continue; + } + this.toFontChar[charCode] = fontChar; + } + for (charCode in properties.differences) { + fontChar = GlyphsUnicode[properties.differences[charCode]]; + if (!fontChar) { + continue; + } + this.toFontChar[charCode] = fontChar; + } + } else if (/Dingbats/i.test(fontName)) { + if (/Wingdings/i.test(name)) { + warn('Wingdings font without embedded font file, ' + + 'falling back to the ZapfDingbats encoding.'); + } + var dingbats = Encodings.ZapfDingbatsEncoding; + for (charCode in dingbats) { + fontChar = DingbatsGlyphsUnicode[dingbats[charCode]]; + if (!fontChar) { + continue; + } + this.toFontChar[charCode] = fontChar; + } + for (charCode in properties.differences) { + fontChar = DingbatsGlyphsUnicode[properties.differences[charCode]]; + if (!fontChar) { + continue; + } + this.toFontChar[charCode] = fontChar; + } + } else if (isStandardFont) { + this.toFontChar = []; + for (charCode in properties.defaultEncoding) { + glyphName = (properties.differences[charCode] || + properties.defaultEncoding[charCode]); + this.toFontChar[charCode] = GlyphsUnicode[glyphName]; + } + } else { + var unicodeCharCode, notCidFont = (type.indexOf('CIDFontType') === -1); + this.toUnicode.forEach(function(charCode, unicodeCharCode) { + if (notCidFont) { + glyphName = (properties.differences[charCode] || + properties.defaultEncoding[charCode]); + unicodeCharCode = (GlyphsUnicode[glyphName] || unicodeCharCode); + } + this.toFontChar[charCode] = unicodeCharCode; + }.bind(this)); + } + this.loadedName = fontName.split('-')[0]; + this.loading = false; + this.fontType = getFontType(type, subtype); + return; + } + + // Some fonts might use wrong font types for Type1C or CIDFontType0C + if (subtype === 'Type1C' && (type !== 'Type1' && type !== 'MMType1')) { + // Some TrueType fonts by mistake claim Type1C + if (isTrueTypeFile(file)) { + subtype = 'TrueType'; + } else { + type = 'Type1'; + } + } + if (subtype === 'CIDFontType0C' && type !== 'CIDFontType0') { + type = 'CIDFontType0'; + } + if (subtype === 'OpenType') { + type = 'OpenType'; + } + // Some CIDFontType0C fonts by mistake claim CIDFontType0. + if (type === 'CIDFontType0') { + subtype = isType1File(file) ? 'CIDFontType0' : 'CIDFontType0C'; + } + + var data; + switch (type) { + case 'MMType1': + info('MMType1 font (' + name + '), falling back to Type1.'); + /* falls through */ + case 'Type1': + case 'CIDFontType0': + this.mimetype = 'font/opentype'; + + var cff = (subtype === 'Type1C' || subtype === 'CIDFontType0C') ? + new CFFFont(file, properties) : new Type1Font(name, file, properties); + + adjustWidths(properties); + + // Wrap the CFF data inside an OTF font file + data = this.convert(name, cff, properties); + break; + + case 'OpenType': + case 'TrueType': + case 'CIDFontType2': + this.mimetype = 'font/opentype'; + + // Repair the TrueType file. It is can be damaged in the point of + // view of the sanitizer + data = this.checkAndRepair(name, file, properties); + if (this.isOpenType) { + adjustWidths(properties); + + type = 'OpenType'; + } + break; + + default: + error('Font ' + type + ' is not supported'); + break; + } + + this.data = data; + this.fontType = getFontType(type, subtype); + + // Transfer some properties again that could change during font conversion + this.fontMatrix = properties.fontMatrix; + this.widths = properties.widths; + this.defaultWidth = properties.defaultWidth; + this.encoding = properties.baseEncoding; + this.seacMap = properties.seacMap; + + this.loading = true; + } + + Font.getFontID = (function () { + var ID = 1; + return function Font_getFontID() { + return String(ID++); + }; + })(); + + function int16(b0, b1) { + return (b0 << 8) + b1; + } + + function int32(b0, b1, b2, b3) { + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + } + + function string16(value) { + return String.fromCharCode((value >> 8) & 0xff, value & 0xff); + } + + function safeString16(value) { + // clamp value to the 16-bit int range + value = (value > 0x7FFF ? 0x7FFF : (value < -0x8000 ? -0x8000 : value)); + return String.fromCharCode((value >> 8) & 0xff, value & 0xff); + } + + function isTrueTypeFile(file) { + var header = file.peekBytes(4); + return readUint32(header, 0) === 0x00010000; + } + + function isType1File(file) { + var header = file.peekBytes(2); + // All Type1 font programs must begin with the comment '%!' (0x25 + 0x21). + if (header[0] === 0x25 && header[1] === 0x21) { + return true; + } + // ... obviously some fonts violate that part of the specification, + // please refer to the comment in |Type1Font| below. + if (header[0] === 0x80 && header[1] === 0x01) { // pfb file header. + return true; + } + return false; + } + + /** + * Helper function for |adjustMapping|. + * @return {boolean} + */ + function isProblematicUnicodeLocation(code) { + // Using binary search to find a range start. + var i = 0, j = ProblematicCharRanges.length - 1; + while (i < j) { + var c = (i + j + 1) >> 1; + if (code < ProblematicCharRanges[c]) { + j = c - 1; + } else { + i = c; + } + } + // Even index means code in problematic range. + return !(i & 1); + } + + /** + * Rebuilds the char code to glyph ID map by trying to replace the char codes + * with their unicode value. It also moves char codes that are in known + * problematic locations. + * @return {Object} Two properties: + * 'toFontChar' - maps original char codes(the value that will be read + * from commands such as show text) to the char codes that will be used in the + * font that we build + * 'charCodeToGlyphId' - maps the new font char codes to glyph ids + */ + function adjustMapping(charCodeToGlyphId, properties) { + var toUnicode = properties.toUnicode; + var isSymbolic = !!(properties.flags & FontFlags.Symbolic); + var isIdentityUnicode = + properties.toUnicode instanceof IdentityToUnicodeMap; + var newMap = Object.create(null); + var toFontChar = []; + var usedFontCharCodes = []; + var nextAvailableFontCharCode = PRIVATE_USE_OFFSET_START; + for (var originalCharCode in charCodeToGlyphId) { + originalCharCode |= 0; + var glyphId = charCodeToGlyphId[originalCharCode]; + var fontCharCode = originalCharCode; + // First try to map the value to a unicode position if a non identity map + // was created. + if (!isIdentityUnicode && toUnicode.has(originalCharCode)) { + var unicode = toUnicode.get(fontCharCode); + // TODO: Try to map ligatures to the correct spot. + if (unicode.length === 1) { + fontCharCode = unicode.charCodeAt(0); + } + } + // Try to move control characters, special characters and already mapped + // characters to the private use area since they will not be drawn by + // canvas if left in their current position. Also, move characters if the + // font was symbolic and there is only an identity unicode map since the + // characters probably aren't in the correct position (fixes an issue + // with firefox and thuluthfont). + if ((usedFontCharCodes[fontCharCode] !== undefined || + isProblematicUnicodeLocation(fontCharCode) || + (isSymbolic && isIdentityUnicode)) && + nextAvailableFontCharCode <= PRIVATE_USE_OFFSET_END) { // Room left. + // Loop to try and find a free spot in the private use area. + do { + fontCharCode = nextAvailableFontCharCode++; + + if (SKIP_PRIVATE_USE_RANGE_F000_TO_F01F && fontCharCode === 0xF000) { + fontCharCode = 0xF020; + nextAvailableFontCharCode = fontCharCode + 1; + } + + } while (usedFontCharCodes[fontCharCode] !== undefined && + nextAvailableFontCharCode <= PRIVATE_USE_OFFSET_END); + } + + newMap[fontCharCode] = glyphId; + toFontChar[originalCharCode] = fontCharCode; + usedFontCharCodes[fontCharCode] = true; + } + return { + toFontChar: toFontChar, + charCodeToGlyphId: newMap, + nextAvailableFontCharCode: nextAvailableFontCharCode + }; + } + + function getRanges(glyphs, numGlyphs) { + // Array.sort() sorts by characters, not numerically, so convert to an + // array of characters. + var codes = []; + for (var charCode in glyphs) { + // Remove an invalid glyph ID mappings to make OTS happy. + if (glyphs[charCode] >= numGlyphs) { + continue; + } + codes.push({ fontCharCode: charCode | 0, glyphId: glyphs[charCode] }); + } + codes.sort(function fontGetRangesSort(a, b) { + return a.fontCharCode - b.fontCharCode; + }); + + // Split the sorted codes into ranges. + var ranges = []; + var length = codes.length; + for (var n = 0; n < length; ) { + var start = codes[n].fontCharCode; + var codeIndices = [codes[n].glyphId]; + ++n; + var end = start; + while (n < length && end + 1 === codes[n].fontCharCode) { + codeIndices.push(codes[n].glyphId); + ++end; + ++n; + if (end === 0xFFFF) { + break; + } + } + ranges.push([start, end, codeIndices]); + } + + return ranges; + } + + function createCmapTable(glyphs, numGlyphs) { + var ranges = getRanges(glyphs, numGlyphs); + var numTables = ranges[ranges.length - 1][1] > 0xFFFF ? 2 : 1; + var cmap = '\x00\x00' + // version + string16(numTables) + // numTables + '\x00\x03' + // platformID + '\x00\x01' + // encodingID + string32(4 + numTables * 8); // start of the table record + + var i, ii, j, jj; + for (i = ranges.length - 1; i >= 0; --i) { + if (ranges[i][0] <= 0xFFFF) { break; } + } + var bmpLength = i + 1; + + if (ranges[i][0] < 0xFFFF && ranges[i][1] === 0xFFFF) { + ranges[i][1] = 0xFFFE; + } + var trailingRangesCount = ranges[i][1] < 0xFFFF ? 1 : 0; + var segCount = bmpLength + trailingRangesCount; + var searchParams = OpenTypeFileBuilder.getSearchParams(segCount, 2); + + // Fill up the 4 parallel arrays describing the segments. + var startCount = ''; + var endCount = ''; + var idDeltas = ''; + var idRangeOffsets = ''; + var glyphsIds = ''; + var bias = 0; + + var range, start, end, codes; + for (i = 0, ii = bmpLength; i < ii; i++) { + range = ranges[i]; + start = range[0]; + end = range[1]; + startCount += string16(start); + endCount += string16(end); + codes = range[2]; + var contiguous = true; + for (j = 1, jj = codes.length; j < jj; ++j) { + if (codes[j] !== codes[j - 1] + 1) { + contiguous = false; + break; + } + } + if (!contiguous) { + var offset = (segCount - i) * 2 + bias * 2; + bias += (end - start + 1); + + idDeltas += string16(0); + idRangeOffsets += string16(offset); + + for (j = 0, jj = codes.length; j < jj; ++j) { + glyphsIds += string16(codes[j]); + } + } else { + var startCode = codes[0]; + + idDeltas += string16((startCode - start) & 0xFFFF); + idRangeOffsets += string16(0); + } + } + + if (trailingRangesCount > 0) { + endCount += '\xFF\xFF'; + startCount += '\xFF\xFF'; + idDeltas += '\x00\x01'; + idRangeOffsets += '\x00\x00'; + } + + var format314 = '\x00\x00' + // language + string16(2 * segCount) + + string16(searchParams.range) + + string16(searchParams.entry) + + string16(searchParams.rangeShift) + + endCount + '\x00\x00' + startCount + + idDeltas + idRangeOffsets + glyphsIds; + + var format31012 = ''; + var header31012 = ''; + if (numTables > 1) { + cmap += '\x00\x03' + // platformID + '\x00\x0A' + // encodingID + string32(4 + numTables * 8 + + 4 + format314.length); // start of the table record + format31012 = ''; + for (i = 0, ii = ranges.length; i < ii; i++) { + range = ranges[i]; + start = range[0]; + codes = range[2]; + var code = codes[0]; + for (j = 1, jj = codes.length; j < jj; ++j) { + if (codes[j] !== codes[j - 1] + 1) { + end = range[0] + j - 1; + format31012 += string32(start) + // startCharCode + string32(end) + // endCharCode + string32(code); // startGlyphID + start = end + 1; + code = codes[j]; + } + } + format31012 += string32(start) + // startCharCode + string32(range[1]) + // endCharCode + string32(code); // startGlyphID + } + header31012 = '\x00\x0C' + // format + '\x00\x00' + // reserved + string32(format31012.length + 16) + // length + '\x00\x00\x00\x00' + // language + string32(format31012.length / 12); // nGroups + } + + return cmap + '\x00\x04' + // format + string16(format314.length + 4) + // length + format314 + header31012 + format31012; + } + + function validateOS2Table(os2) { + var stream = new Stream(os2.data); + var version = stream.getUint16(); + // TODO verify all OS/2 tables fields, but currently we validate only those + // that give us issues + stream.getBytes(60); // skipping type, misc sizes, panose, unicode ranges + var selection = stream.getUint16(); + if (version < 4 && (selection & 0x0300)) { + return false; + } + var firstChar = stream.getUint16(); + var lastChar = stream.getUint16(); + if (firstChar > lastChar) { + return false; + } + stream.getBytes(6); // skipping sTypoAscender/Descender/LineGap + var usWinAscent = stream.getUint16(); + if (usWinAscent === 0) { // makes font unreadable by windows + return false; + } + + // OS/2 appears to be valid, resetting some fields + os2.data[8] = os2.data[9] = 0; // IE rejects fonts if fsType != 0 + return true; + } + + function createOS2Table(properties, charstrings, override) { + override = override || { + unitsPerEm: 0, + yMax: 0, + yMin: 0, + ascent: 0, + descent: 0 + }; + + var ulUnicodeRange1 = 0; + var ulUnicodeRange2 = 0; + var ulUnicodeRange3 = 0; + var ulUnicodeRange4 = 0; + + var firstCharIndex = null; + var lastCharIndex = 0; + + if (charstrings) { + for (var code in charstrings) { + code |= 0; + if (firstCharIndex > code || !firstCharIndex) { + firstCharIndex = code; + } + if (lastCharIndex < code) { + lastCharIndex = code; + } + + var position = getUnicodeRangeFor(code); + if (position < 32) { + ulUnicodeRange1 |= 1 << position; + } else if (position < 64) { + ulUnicodeRange2 |= 1 << position - 32; + } else if (position < 96) { + ulUnicodeRange3 |= 1 << position - 64; + } else if (position < 123) { + ulUnicodeRange4 |= 1 << position - 96; + } else { + error('Unicode ranges Bits > 123 are reserved for internal usage'); + } + } + } else { + // TODO + firstCharIndex = 0; + lastCharIndex = 255; + } + + var bbox = properties.bbox || [0, 0, 0, 0]; + var unitsPerEm = (override.unitsPerEm || + 1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0]); + + // if the font units differ to the PDF glyph space units + // then scale up the values + var scale = (properties.ascentScaled ? 1.0 : + unitsPerEm / PDF_GLYPH_SPACE_UNITS); + + var typoAscent = (override.ascent || + Math.round(scale * (properties.ascent || bbox[3]))); + var typoDescent = (override.descent || + Math.round(scale * (properties.descent || bbox[1]))); + if (typoDescent > 0 && properties.descent > 0 && bbox[1] < 0) { + typoDescent = -typoDescent; // fixing incorrect descent + } + var winAscent = override.yMax || typoAscent; + var winDescent = -override.yMin || -typoDescent; + + return '\x00\x03' + // version + '\x02\x24' + // xAvgCharWidth + '\x01\xF4' + // usWeightClass + '\x00\x05' + // usWidthClass + '\x00\x00' + // fstype (0 to let the font loads via font-face on IE) + '\x02\x8A' + // ySubscriptXSize + '\x02\xBB' + // ySubscriptYSize + '\x00\x00' + // ySubscriptXOffset + '\x00\x8C' + // ySubscriptYOffset + '\x02\x8A' + // ySuperScriptXSize + '\x02\xBB' + // ySuperScriptYSize + '\x00\x00' + // ySuperScriptXOffset + '\x01\xDF' + // ySuperScriptYOffset + '\x00\x31' + // yStrikeOutSize + '\x01\x02' + // yStrikeOutPosition + '\x00\x00' + // sFamilyClass + '\x00\x00\x06' + + String.fromCharCode(properties.fixedPitch ? 0x09 : 0x00) + + '\x00\x00\x00\x00\x00\x00' + // Panose + string32(ulUnicodeRange1) + // ulUnicodeRange1 (Bits 0-31) + string32(ulUnicodeRange2) + // ulUnicodeRange2 (Bits 32-63) + string32(ulUnicodeRange3) + // ulUnicodeRange3 (Bits 64-95) + string32(ulUnicodeRange4) + // ulUnicodeRange4 (Bits 96-127) + '\x2A\x32\x31\x2A' + // achVendID + string16(properties.italicAngle ? 1 : 0) + // fsSelection + string16(firstCharIndex || + properties.firstChar) + // usFirstCharIndex + string16(lastCharIndex || properties.lastChar) + // usLastCharIndex + string16(typoAscent) + // sTypoAscender + string16(typoDescent) + // sTypoDescender + '\x00\x64' + // sTypoLineGap (7%-10% of the unitsPerEM value) + string16(winAscent) + // usWinAscent + string16(winDescent) + // usWinDescent + '\x00\x00\x00\x00' + // ulCodePageRange1 (Bits 0-31) + '\x00\x00\x00\x00' + // ulCodePageRange2 (Bits 32-63) + string16(properties.xHeight) + // sxHeight + string16(properties.capHeight) + // sCapHeight + string16(0) + // usDefaultChar + string16(firstCharIndex || properties.firstChar) + // usBreakChar + '\x00\x03'; // usMaxContext + } + + function createPostTable(properties) { + var angle = Math.floor(properties.italicAngle * (Math.pow(2, 16))); + return ('\x00\x03\x00\x00' + // Version number + string32(angle) + // italicAngle + '\x00\x00' + // underlinePosition + '\x00\x00' + // underlineThickness + string32(properties.fixedPitch) + // isFixedPitch + '\x00\x00\x00\x00' + // minMemType42 + '\x00\x00\x00\x00' + // maxMemType42 + '\x00\x00\x00\x00' + // minMemType1 + '\x00\x00\x00\x00'); // maxMemType1 + } + + function createNameTable(name, proto) { + if (!proto) { + proto = [[], []]; // no strings and unicode strings + } + + var strings = [ + proto[0][0] || 'Original licence', // 0.Copyright + proto[0][1] || name, // 1.Font family + proto[0][2] || 'Unknown', // 2.Font subfamily (font weight) + proto[0][3] || 'uniqueID', // 3.Unique ID + proto[0][4] || name, // 4.Full font name + proto[0][5] || 'Version 0.11', // 5.Version + proto[0][6] || '', // 6.Postscript name + proto[0][7] || 'Unknown', // 7.Trademark + proto[0][8] || 'Unknown', // 8.Manufacturer + proto[0][9] || 'Unknown' // 9.Designer + ]; + + // Mac want 1-byte per character strings while Windows want + // 2-bytes per character, so duplicate the names table + var stringsUnicode = []; + var i, ii, j, jj, str; + for (i = 0, ii = strings.length; i < ii; i++) { + str = proto[1][i] || strings[i]; + + var strBufUnicode = []; + for (j = 0, jj = str.length; j < jj; j++) { + strBufUnicode.push(string16(str.charCodeAt(j))); + } + stringsUnicode.push(strBufUnicode.join('')); + } + + var names = [strings, stringsUnicode]; + var platforms = ['\x00\x01', '\x00\x03']; + var encodings = ['\x00\x00', '\x00\x01']; + var languages = ['\x00\x00', '\x04\x09']; + + var namesRecordCount = strings.length * platforms.length; + var nameTable = + '\x00\x00' + // format + string16(namesRecordCount) + // Number of names Record + string16(namesRecordCount * 12 + 6); // Storage + + // Build the name records field + var strOffset = 0; + for (i = 0, ii = platforms.length; i < ii; i++) { + var strs = names[i]; + for (j = 0, jj = strs.length; j < jj; j++) { + str = strs[j]; + var nameRecord = + platforms[i] + // platform ID + encodings[i] + // encoding ID + languages[i] + // language ID + string16(j) + // name ID + string16(str.length) + + string16(strOffset); + nameTable += nameRecord; + strOffset += str.length; + } + } + + nameTable += strings.join('') + stringsUnicode.join(''); + return nameTable; + } + + Font.prototype = { + name: null, + font: null, + mimetype: null, + encoding: null, + get renderer() { + var renderer = FontRendererFactory.create(this); + return shadow(this, 'renderer', renderer); + }, + + exportData: function Font_exportData() { + var data = {}; + for (var i in this) { + if (this.hasOwnProperty(i)) { + data[i] = this[i]; + } + } + return data; + }, + + checkAndRepair: function Font_checkAndRepair(name, font, properties) { + function readTableEntry(file) { + var tag = bytesToString(file.getBytes(4)); + + var checksum = file.getInt32(); + var offset = file.getInt32() >>> 0; + var length = file.getInt32() >>> 0; + + // Read the table associated data + var previousPosition = file.pos; + file.pos = file.start ? file.start : 0; + file.skip(offset); + var data = file.getBytes(length); + file.pos = previousPosition; + + if (tag === 'head') { + // clearing checksum adjustment + data[8] = data[9] = data[10] = data[11] = 0; + data[17] |= 0x20; //Set font optimized for cleartype flag + } + + return { + tag: tag, + checksum: checksum, + length: length, + offset: offset, + data: data + }; + } + + function readOpenTypeHeader(ttf) { + return { + version: bytesToString(ttf.getBytes(4)), + numTables: ttf.getUint16(), + searchRange: ttf.getUint16(), + entrySelector: ttf.getUint16(), + rangeShift: ttf.getUint16() + }; + } + + /** + * Read the appropriate subtable from the cmap according to 9.6.6.4 from + * PDF spec + */ + function readCmapTable(cmap, font, isSymbolicFont, hasEncoding) { + if (!cmap) { + warn('No cmap table available.'); + return { + platformId: -1, + encodingId: -1, + mappings: [], + hasShortCmap: false + }; + } + var segment; + var start = (font.start ? font.start : 0) + cmap.offset; + font.pos = start; + + var version = font.getUint16(); + var numTables = font.getUint16(); + + var potentialTable; + var canBreak = false; + // There's an order of preference in terms of which cmap subtable to + // use: + // - non-symbolic fonts the preference is a 3,1 table then a 1,0 table + // - symbolic fonts the preference is a 3,0 table then a 1,0 table + // The following takes advantage of the fact that the tables are sorted + // to work. + for (var i = 0; i < numTables; i++) { + var platformId = font.getUint16(); + var encodingId = font.getUint16(); + var offset = font.getInt32() >>> 0; + var useTable = false; + + if (platformId === 0 && encodingId === 0) { + useTable = true; + // Continue the loop since there still may be a higher priority + // table. + } else if (platformId === 1 && encodingId === 0) { + useTable = true; + // Continue the loop since there still may be a higher priority + // table. + } else if (platformId === 3 && encodingId === 1 && + ((!isSymbolicFont && hasEncoding) || !potentialTable)) { + useTable = true; + if (!isSymbolicFont) { + canBreak = true; + } + } else if (isSymbolicFont && platformId === 3 && encodingId === 0) { + useTable = true; + canBreak = true; + } + + if (useTable) { + potentialTable = { + platformId: platformId, + encodingId: encodingId, + offset: offset + }; + } + if (canBreak) { + break; + } + } + + if (potentialTable) { + font.pos = start + potentialTable.offset; + } + if (!potentialTable || font.peekByte() === -1) { + warn('Could not find a preferred cmap table.'); + return { + platformId: -1, + encodingId: -1, + mappings: [], + hasShortCmap: false + }; + } + + var format = font.getUint16(); + var length = font.getUint16(); + var language = font.getUint16(); + + var hasShortCmap = false; + var mappings = []; + var j, glyphId; + + // TODO(mack): refactor this cmap subtable reading logic out + if (format === 0) { + for (j = 0; j < 256; j++) { + var index = font.getByte(); + if (!index) { + continue; + } + mappings.push({ + charCode: j, + glyphId: index + }); + } + hasShortCmap = true; + } else if (format === 4) { + // re-creating the table in format 4 since the encoding + // might be changed + var segCount = (font.getUint16() >> 1); + font.getBytes(6); // skipping range fields + var segIndex, segments = []; + for (segIndex = 0; segIndex < segCount; segIndex++) { + segments.push({ end: font.getUint16() }); + } + font.getUint16(); + for (segIndex = 0; segIndex < segCount; segIndex++) { + segments[segIndex].start = font.getUint16(); + } + + for (segIndex = 0; segIndex < segCount; segIndex++) { + segments[segIndex].delta = font.getUint16(); + } + + var offsetsCount = 0; + for (segIndex = 0; segIndex < segCount; segIndex++) { + segment = segments[segIndex]; + var rangeOffset = font.getUint16(); + if (!rangeOffset) { + segment.offsetIndex = -1; + continue; + } + + var offsetIndex = (rangeOffset >> 1) - (segCount - segIndex); + segment.offsetIndex = offsetIndex; + offsetsCount = Math.max(offsetsCount, offsetIndex + + segment.end - segment.start + 1); + } + + var offsets = []; + for (j = 0; j < offsetsCount; j++) { + offsets.push(font.getUint16()); + } + + for (segIndex = 0; segIndex < segCount; segIndex++) { + segment = segments[segIndex]; + start = segment.start; + var end = segment.end; + var delta = segment.delta; + offsetIndex = segment.offsetIndex; + + for (j = start; j <= end; j++) { + if (j === 0xFFFF) { + continue; + } + + glyphId = (offsetIndex < 0 ? + j : offsets[offsetIndex + j - start]); + glyphId = (glyphId + delta) & 0xFFFF; + if (glyphId === 0) { + continue; + } + mappings.push({ + charCode: j, + glyphId: glyphId + }); + } + } + } else if (format === 6) { + // Format 6 is a 2-bytes dense mapping, which means the font data + // lives glue together even if they are pretty far in the unicode + // table. (This looks weird, so I can have missed something), this + // works on Linux but seems to fails on Mac so let's rewrite the + // cmap table to a 3-1-4 style + var firstCode = font.getUint16(); + var entryCount = font.getUint16(); + + for (j = 0; j < entryCount; j++) { + glyphId = font.getUint16(); + var charCode = firstCode + j; + + mappings.push({ + charCode: charCode, + glyphId: glyphId + }); + } + } else { + warn('cmap table has unsupported format: ' + format); + return { + platformId: -1, + encodingId: -1, + mappings: [], + hasShortCmap: false + }; + } + + // removing duplicate entries + mappings.sort(function (a, b) { + return a.charCode - b.charCode; + }); + for (i = 1; i < mappings.length; i++) { + if (mappings[i - 1].charCode === mappings[i].charCode) { + mappings.splice(i, 1); + i--; + } + } + + return { + platformId: potentialTable.platformId, + encodingId: potentialTable.encodingId, + mappings: mappings, + hasShortCmap: hasShortCmap + }; + } + + function sanitizeMetrics(font, header, metrics, numGlyphs) { + if (!header) { + if (metrics) { + metrics.data = null; + } + return; + } + + font.pos = (font.start ? font.start : 0) + header.offset; + font.pos += header.length - 2; + var numOfMetrics = font.getUint16(); + + if (numOfMetrics > numGlyphs) { + info('The numOfMetrics (' + numOfMetrics + ') should not be ' + + 'greater than the numGlyphs (' + numGlyphs + ')'); + // Reduce numOfMetrics if it is greater than numGlyphs + numOfMetrics = numGlyphs; + header.data[34] = (numOfMetrics & 0xff00) >> 8; + header.data[35] = numOfMetrics & 0x00ff; + } + + var numOfSidebearings = numGlyphs - numOfMetrics; + var numMissing = numOfSidebearings - + ((metrics.length - numOfMetrics * 4) >> 1); + + if (numMissing > 0) { + // For each missing glyph, we set both the width and lsb to 0 (zero). + // Since we need to add two properties for each glyph, this explains + // the use of |numMissing * 2| when initializing the typed array. + var entries = new Uint8Array(metrics.length + numMissing * 2); + entries.set(metrics.data); + metrics.data = entries; + } + } + + function sanitizeGlyph(source, sourceStart, sourceEnd, dest, destStart, + hintsValid) { + if (sourceEnd - sourceStart <= 12) { + // glyph with data less than 12 is invalid one + return 0; + } + var glyf = source.subarray(sourceStart, sourceEnd); + var contoursCount = (glyf[0] << 8) | glyf[1]; + if (contoursCount & 0x8000) { + // complex glyph, writing as is + dest.set(glyf, destStart); + return glyf.length; + } + + var i, j = 10, flagsCount = 0; + for (i = 0; i < contoursCount; i++) { + var endPoint = (glyf[j] << 8) | glyf[j + 1]; + flagsCount = endPoint + 1; + j += 2; + } + // skipping instructions + var instructionsStart = j; + var instructionsLength = (glyf[j] << 8) | glyf[j + 1]; + j += 2 + instructionsLength; + var instructionsEnd = j; + // validating flags + var coordinatesLength = 0; + for (i = 0; i < flagsCount; i++) { + var flag = glyf[j++]; + if (flag & 0xC0) { + // reserved flags must be zero, cleaning up + glyf[j - 1] = flag & 0x3F; + } + var xyLength = ((flag & 2) ? 1 : (flag & 16) ? 0 : 2) + + ((flag & 4) ? 1 : (flag & 32) ? 0 : 2); + coordinatesLength += xyLength; + if (flag & 8) { + var repeat = glyf[j++]; + i += repeat; + coordinatesLength += repeat * xyLength; + } + } + // glyph without coordinates will be rejected + if (coordinatesLength === 0) { + return 0; + } + var glyphDataLength = j + coordinatesLength; + if (glyphDataLength > glyf.length) { + // not enough data for coordinates + return 0; + } + if (!hintsValid && instructionsLength > 0) { + dest.set(glyf.subarray(0, instructionsStart), destStart); + dest.set([0, 0], destStart + instructionsStart); + dest.set(glyf.subarray(instructionsEnd, glyphDataLength), + destStart + instructionsStart + 2); + glyphDataLength -= instructionsLength; + if (glyf.length - glyphDataLength > 3) { + glyphDataLength = (glyphDataLength + 3) & ~3; + } + return glyphDataLength; + } + if (glyf.length - glyphDataLength > 3) { + // truncating and aligning to 4 bytes the long glyph data + glyphDataLength = (glyphDataLength + 3) & ~3; + dest.set(glyf.subarray(0, glyphDataLength), destStart); + return glyphDataLength; + } + // glyph data is fine + dest.set(glyf, destStart); + return glyf.length; + } + + function sanitizeHead(head, numGlyphs, locaLength) { + var data = head.data; + + // Validate version: + // Should always be 0x00010000 + var version = int32(data[0], data[1], data[2], data[3]); + if (version >> 16 !== 1) { + info('Attempting to fix invalid version in head table: ' + version); + data[0] = 0; + data[1] = 1; + data[2] = 0; + data[3] = 0; + } + + var indexToLocFormat = int16(data[50], data[51]); + if (indexToLocFormat < 0 || indexToLocFormat > 1) { + info('Attempting to fix invalid indexToLocFormat in head table: ' + + indexToLocFormat); + + // The value of indexToLocFormat should be 0 if the loca table + // consists of short offsets, and should be 1 if the loca table + // consists of long offsets. + // + // The number of entries in the loca table should be numGlyphs + 1. + // + // Using this information, we can work backwards to deduce if the + // size of each offset in the loca table, and thus figure out the + // appropriate value for indexToLocFormat. + + var numGlyphsPlusOne = numGlyphs + 1; + if (locaLength === numGlyphsPlusOne << 1) { + // 0x0000 indicates the loca table consists of short offsets + data[50] = 0; + data[51] = 0; + } else if (locaLength === numGlyphsPlusOne << 2) { + // 0x0001 indicates the loca table consists of long offsets + data[50] = 0; + data[51] = 1; + } else { + warn('Could not fix indexToLocFormat: ' + indexToLocFormat); + } + } + } + + function sanitizeGlyphLocations(loca, glyf, numGlyphs, + isGlyphLocationsLong, hintsValid, + dupFirstEntry) { + var itemSize, itemDecode, itemEncode; + if (isGlyphLocationsLong) { + itemSize = 4; + itemDecode = function fontItemDecodeLong(data, offset) { + return (data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]; + }; + itemEncode = function fontItemEncodeLong(data, offset, value) { + data[offset] = (value >>> 24) & 0xFF; + data[offset + 1] = (value >> 16) & 0xFF; + data[offset + 2] = (value >> 8) & 0xFF; + data[offset + 3] = value & 0xFF; + }; + } else { + itemSize = 2; + itemDecode = function fontItemDecode(data, offset) { + return (data[offset] << 9) | (data[offset + 1] << 1); + }; + itemEncode = function fontItemEncode(data, offset, value) { + data[offset] = (value >> 9) & 0xFF; + data[offset + 1] = (value >> 1) & 0xFF; + }; + } + var locaData = loca.data; + var locaDataSize = itemSize * (1 + numGlyphs); + // is loca.data too short or long? + if (locaData.length !== locaDataSize) { + locaData = new Uint8Array(locaDataSize); + locaData.set(loca.data.subarray(0, locaDataSize)); + loca.data = locaData; + } + // removing the invalid glyphs + var oldGlyfData = glyf.data; + var oldGlyfDataLength = oldGlyfData.length; + var newGlyfData = new Uint8Array(oldGlyfDataLength); + var startOffset = itemDecode(locaData, 0); + var writeOffset = 0; + var missingGlyphData = {}; + itemEncode(locaData, 0, writeOffset); + var i, j; + for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) { + var endOffset = itemDecode(locaData, j); + if (endOffset > oldGlyfDataLength && + ((oldGlyfDataLength + 3) & ~3) === endOffset) { + // Aspose breaks fonts by aligning the glyphs to the qword, but not + // the glyf table size, which makes last glyph out of range. + endOffset = oldGlyfDataLength; + } + if (endOffset > oldGlyfDataLength) { + // glyph end offset points outside glyf data, rejecting the glyph + itemEncode(locaData, j, writeOffset); + startOffset = endOffset; + continue; + } + + if (startOffset === endOffset) { + missingGlyphData[i] = true; + } + + var newLength = sanitizeGlyph(oldGlyfData, startOffset, endOffset, + newGlyfData, writeOffset, hintsValid); + writeOffset += newLength; + itemEncode(locaData, j, writeOffset); + startOffset = endOffset; + } + + if (writeOffset === 0) { + // glyf table cannot be empty -- redoing the glyf and loca tables + // to have single glyph with one point + var simpleGlyph = new Uint8Array( + [0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 49, 0]); + for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) { + itemEncode(locaData, j, simpleGlyph.length); + } + glyf.data = simpleGlyph; + return missingGlyphData; + } + + if (dupFirstEntry) { + var firstEntryLength = itemDecode(locaData, itemSize); + if (newGlyfData.length > firstEntryLength + writeOffset) { + glyf.data = newGlyfData.subarray(0, firstEntryLength + writeOffset); + } else { + glyf.data = new Uint8Array(firstEntryLength + writeOffset); + glyf.data.set(newGlyfData.subarray(0, writeOffset)); + } + glyf.data.set(newGlyfData.subarray(0, firstEntryLength), writeOffset); + itemEncode(loca.data, locaData.length - itemSize, + writeOffset + firstEntryLength); + } else { + glyf.data = newGlyfData.subarray(0, writeOffset); + } + return missingGlyphData; + } + + function readPostScriptTable(post, properties, maxpNumGlyphs) { + var start = (font.start ? font.start : 0) + post.offset; + font.pos = start; + + var length = post.length, end = start + length; + var version = font.getInt32(); + // skip rest to the tables + font.getBytes(28); + + var glyphNames; + var valid = true; + var i; + + switch (version) { + case 0x00010000: + glyphNames = MacStandardGlyphOrdering; + break; + case 0x00020000: + var numGlyphs = font.getUint16(); + if (numGlyphs !== maxpNumGlyphs) { + valid = false; + break; + } + var glyphNameIndexes = []; + for (i = 0; i < numGlyphs; ++i) { + var index = font.getUint16(); + if (index >= 32768) { + valid = false; + break; + } + glyphNameIndexes.push(index); + } + if (!valid) { + break; + } + var customNames = []; + var strBuf = []; + while (font.pos < end) { + var stringLength = font.getByte(); + strBuf.length = stringLength; + for (i = 0; i < stringLength; ++i) { + strBuf[i] = String.fromCharCode(font.getByte()); + } + customNames.push(strBuf.join('')); + } + glyphNames = []; + for (i = 0; i < numGlyphs; ++i) { + var j = glyphNameIndexes[i]; + if (j < 258) { + glyphNames.push(MacStandardGlyphOrdering[j]); + continue; + } + glyphNames.push(customNames[j - 258]); + } + break; + case 0x00030000: + break; + default: + warn('Unknown/unsupported post table version ' + version); + valid = false; + if (properties.defaultEncoding) { + glyphNames = properties.defaultEncoding; + } + break; + } + properties.glyphNames = glyphNames; + return valid; + } + + function readNameTable(nameTable) { + var start = (font.start ? font.start : 0) + nameTable.offset; + font.pos = start; + + var names = [[], []]; + var length = nameTable.length, end = start + length; + var format = font.getUint16(); + var FORMAT_0_HEADER_LENGTH = 6; + if (format !== 0 || length < FORMAT_0_HEADER_LENGTH) { + // unsupported name table format or table "too" small + return names; + } + var numRecords = font.getUint16(); + var stringsStart = font.getUint16(); + var records = []; + var NAME_RECORD_LENGTH = 12; + var i, ii; + + for (i = 0; i < numRecords && + font.pos + NAME_RECORD_LENGTH <= end; i++) { + var r = { + platform: font.getUint16(), + encoding: font.getUint16(), + language: font.getUint16(), + name: font.getUint16(), + length: font.getUint16(), + offset: font.getUint16() + }; + // using only Macintosh and Windows platform/encoding names + if ((r.platform === 1 && r.encoding === 0 && r.language === 0) || + (r.platform === 3 && r.encoding === 1 && r.language === 0x409)) { + records.push(r); + } + } + for (i = 0, ii = records.length; i < ii; i++) { + var record = records[i]; + var pos = start + stringsStart + record.offset; + if (pos + record.length > end) { + continue; // outside of name table, ignoring + } + font.pos = pos; + var nameIndex = record.name; + if (record.encoding) { + // unicode + var str = ''; + for (var j = 0, jj = record.length; j < jj; j += 2) { + str += String.fromCharCode(font.getUint16()); + } + names[1][nameIndex] = str; + } else { + names[0][nameIndex] = bytesToString(font.getBytes(record.length)); + } + } + return names; + } + + var TTOpsStackDeltas = [ + 0, 0, 0, 0, 0, 0, 0, 0, -2, -2, -2, -2, 0, 0, -2, -5, + -1, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, -1, -1, + 1, -1, -999, 0, 1, 0, -1, -2, 0, -1, -2, -1, -1, 0, -1, -1, + 0, 0, -999, -999, -1, -1, -1, -1, -2, -999, -2, -2, -999, 0, -2, -2, + 0, 0, -2, 0, -2, 0, 0, 0, -2, -1, -1, 1, 1, 0, 0, -1, + -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, 0, -999, -1, -1, + -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + -2, -999, -999, -999, -999, -999, -1, -1, -2, -2, 0, 0, 0, 0, -1, -1, + -999, -2, -2, 0, 0, -1, -2, -2, 0, 0, 0, -1, -1, -1, -2]; + // 0xC0-DF == -1 and 0xE0-FF == -2 + + function sanitizeTTProgram(table, ttContext) { + var data = table.data; + var i = 0, j, n, b, funcId, pc, lastEndf = 0, lastDeff = 0; + var stack = []; + var callstack = []; + var functionsCalled = []; + var tooComplexToFollowFunctions = + ttContext.tooComplexToFollowFunctions; + var inFDEF = false, ifLevel = 0, inELSE = 0; + for (var ii = data.length; i < ii;) { + var op = data[i++]; + // The TrueType instruction set docs can be found at + // https://developer.apple.com/fonts/TTRefMan/RM05/Chap5.html + if (op === 0x40) { // NPUSHB - pushes n bytes + n = data[i++]; + if (inFDEF || inELSE) { + i += n; + } else { + for (j = 0; j < n; j++) { + stack.push(data[i++]); + } + } + } else if (op === 0x41) { // NPUSHW - pushes n words + n = data[i++]; + if (inFDEF || inELSE) { + i += n * 2; + } else { + for (j = 0; j < n; j++) { + b = data[i++]; + stack.push((b << 8) | data[i++]); + } + } + } else if ((op & 0xF8) === 0xB0) { // PUSHB - pushes bytes + n = op - 0xB0 + 1; + if (inFDEF || inELSE) { + i += n; + } else { + for (j = 0; j < n; j++) { + stack.push(data[i++]); + } + } + } else if ((op & 0xF8) === 0xB8) { // PUSHW - pushes words + n = op - 0xB8 + 1; + if (inFDEF || inELSE) { + i += n * 2; + } else { + for (j = 0; j < n; j++) { + b = data[i++]; + stack.push((b << 8) | data[i++]); + } + } + } else if (op === 0x2B && !tooComplexToFollowFunctions) { // CALL + if (!inFDEF && !inELSE) { + // collecting inforamtion about which functions are used + funcId = stack[stack.length - 1]; + ttContext.functionsUsed[funcId] = true; + if (funcId in ttContext.functionsStackDeltas) { + stack.length += ttContext.functionsStackDeltas[funcId]; + } else if (funcId in ttContext.functionsDefined && + functionsCalled.indexOf(funcId) < 0) { + callstack.push({data: data, i: i, stackTop: stack.length - 1}); + functionsCalled.push(funcId); + pc = ttContext.functionsDefined[funcId]; + if (!pc) { + warn('TT: CALL non-existent function'); + ttContext.hintsValid = false; + return; + } + data = pc.data; + i = pc.i; + } + } + } else if (op === 0x2C && !tooComplexToFollowFunctions) { // FDEF + if (inFDEF || inELSE) { + warn('TT: nested FDEFs not allowed'); + tooComplexToFollowFunctions = true; + } + inFDEF = true; + // collecting inforamtion about which functions are defined + lastDeff = i; + funcId = stack.pop(); + ttContext.functionsDefined[funcId] = {data: data, i: i}; + } else if (op === 0x2D) { // ENDF - end of function + if (inFDEF) { + inFDEF = false; + lastEndf = i; + } else { + pc = callstack.pop(); + if (!pc) { + warn('TT: ENDF bad stack'); + ttContext.hintsValid = false; + return; + } + funcId = functionsCalled.pop(); + data = pc.data; + i = pc.i; + ttContext.functionsStackDeltas[funcId] = + stack.length - pc.stackTop; + } + } else if (op === 0x89) { // IDEF - instruction definition + if (inFDEF || inELSE) { + warn('TT: nested IDEFs not allowed'); + tooComplexToFollowFunctions = true; + } + inFDEF = true; + // recording it as a function to track ENDF + lastDeff = i; + } else if (op === 0x58) { // IF + ++ifLevel; + } else if (op === 0x1B) { // ELSE + inELSE = ifLevel; + } else if (op === 0x59) { // EIF + if (inELSE === ifLevel) { + inELSE = 0; + } + --ifLevel; + } else if (op === 0x1C) { // JMPR + if (!inFDEF && !inELSE) { + var offset = stack[stack.length - 1]; + // only jumping forward to prevent infinite loop + if (offset > 0) { + i += offset - 1; + } + } + } + // Adjusting stack not extactly, but just enough to get function id + if (!inFDEF && !inELSE) { + var stackDelta = op <= 0x8E ? TTOpsStackDeltas[op] : + op >= 0xC0 && op <= 0xDF ? -1 : op >= 0xE0 ? -2 : 0; + if (op >= 0x71 && op <= 0x75) { + n = stack.pop(); + if (n === n) { + stackDelta = -n * 2; + } + } + while (stackDelta < 0 && stack.length > 0) { + stack.pop(); + stackDelta++; + } + while (stackDelta > 0) { + stack.push(NaN); // pushing any number into stack + stackDelta--; + } + } + } + ttContext.tooComplexToFollowFunctions = tooComplexToFollowFunctions; + var content = [data]; + if (i > data.length) { + content.push(new Uint8Array(i - data.length)); + } + if (lastDeff > lastEndf) { + warn('TT: complementing a missing function tail'); + // new function definition started, but not finished + // complete function by [CLEAR, ENDF] + content.push(new Uint8Array([0x22, 0x2D])); + } + foldTTTable(table, content); + } + + function checkInvalidFunctions(ttContext, maxFunctionDefs) { + if (ttContext.tooComplexToFollowFunctions) { + return; + } + if (ttContext.functionsDefined.length > maxFunctionDefs) { + warn('TT: more functions defined than expected'); + ttContext.hintsValid = false; + return; + } + for (var j = 0, jj = ttContext.functionsUsed.length; j < jj; j++) { + if (j > maxFunctionDefs) { + warn('TT: invalid function id: ' + j); + ttContext.hintsValid = false; + return; + } + if (ttContext.functionsUsed[j] && !ttContext.functionsDefined[j]) { + warn('TT: undefined function: ' + j); + ttContext.hintsValid = false; + return; + } + } + } + + function foldTTTable(table, content) { + if (content.length > 1) { + // concatenating the content items + var newLength = 0; + var j, jj; + for (j = 0, jj = content.length; j < jj; j++) { + newLength += content[j].length; + } + newLength = (newLength + 3) & ~3; + var result = new Uint8Array(newLength); + var pos = 0; + for (j = 0, jj = content.length; j < jj; j++) { + result.set(content[j], pos); + pos += content[j].length; + } + table.data = result; + table.length = newLength; + } + } + + function sanitizeTTPrograms(fpgm, prep, cvt) { + var ttContext = { + functionsDefined: [], + functionsUsed: [], + functionsStackDeltas: [], + tooComplexToFollowFunctions: false, + hintsValid: true + }; + if (fpgm) { + sanitizeTTProgram(fpgm, ttContext); + } + if (prep) { + sanitizeTTProgram(prep, ttContext); + } + if (fpgm) { + checkInvalidFunctions(ttContext, maxFunctionDefs); + } + if (cvt && (cvt.length & 1)) { + var cvtData = new Uint8Array(cvt.length + 1); + cvtData.set(cvt.data); + cvt.data = cvtData; + } + return ttContext.hintsValid; + } + + // The following steps modify the original font data, making copy + font = new Stream(new Uint8Array(font.getBytes())); + + var VALID_TABLES = ['OS/2', 'cmap', 'head', 'hhea', 'hmtx', 'maxp', + 'name', 'post', 'loca', 'glyf', 'fpgm', 'prep', 'cvt ', 'CFF ']; + + var header = readOpenTypeHeader(font); + var numTables = header.numTables; + var cff, cffFile; + + var tables = { 'OS/2': null, cmap: null, head: null, hhea: null, + hmtx: null, maxp: null, name: null, post: null }; + var table; + for (var i = 0; i < numTables; i++) { + table = readTableEntry(font); + if (VALID_TABLES.indexOf(table.tag) < 0) { + continue; // skipping table if it's not a required or optional table + } + if (table.length === 0) { + continue; // skipping empty tables + } + tables[table.tag] = table; + } + + var isTrueType = !tables['CFF ']; + if (!isTrueType) { + // OpenType font + if ((header.version === 'OTTO' && properties.type !== 'CIDFontType2') || + !tables.head || !tables.hhea || !tables.maxp || !tables.post) { + // no major tables: throwing everything at CFFFont + cffFile = new Stream(tables['CFF '].data); + cff = new CFFFont(cffFile, properties); + + adjustWidths(properties); + + return this.convert(name, cff, properties); + } + + delete tables.glyf; + delete tables.loca; + delete tables.fpgm; + delete tables.prep; + delete tables['cvt ']; + this.isOpenType = true; + } else { + if (!tables.glyf || !tables.loca) { + error('Required "glyf" or "loca" tables are not found'); + } + this.isOpenType = false; + } + + if (!tables.maxp) { + error('Required "maxp" table is not found'); + } + + font.pos = (font.start || 0) + tables.maxp.offset; + var version = font.getInt32(); + var numGlyphs = font.getUint16(); + var maxFunctionDefs = 0; + if (version >= 0x00010000 && tables.maxp.length >= 22) { + // maxZones can be invalid + font.pos += 8; + var maxZones = font.getUint16(); + if (maxZones > 2) { // reset to 2 if font has invalid maxZones + tables.maxp.data[14] = 0; + tables.maxp.data[15] = 2; + } + font.pos += 4; + maxFunctionDefs = font.getUint16(); + } + + var dupFirstEntry = false; + if (properties.type === 'CIDFontType2' && properties.toUnicode && + properties.toUnicode.get(0) > '\u0000') { + // oracle's defect (see 3427), duplicating first entry + dupFirstEntry = true; + numGlyphs++; + tables.maxp.data[4] = numGlyphs >> 8; + tables.maxp.data[5] = numGlyphs & 255; + } + + var hintsValid = sanitizeTTPrograms(tables.fpgm, tables.prep, + tables['cvt '], maxFunctionDefs); + if (!hintsValid) { + delete tables.fpgm; + delete tables.prep; + delete tables['cvt ']; + } + + // Ensure the hmtx table contains the advance width and + // sidebearings information for numGlyphs in the maxp table + sanitizeMetrics(font, tables.hhea, tables.hmtx, numGlyphs); + + if (!tables.head) { + error('Required "head" table is not found'); + } + + sanitizeHead(tables.head, numGlyphs, isTrueType ? tables.loca.length : 0); + + var missingGlyphs = {}; + if (isTrueType) { + var isGlyphLocationsLong = int16(tables.head.data[50], + tables.head.data[51]); + missingGlyphs = sanitizeGlyphLocations(tables.loca, tables.glyf, + numGlyphs, isGlyphLocationsLong, + hintsValid, dupFirstEntry); + } + + if (!tables.hhea) { + error('Required "hhea" table is not found'); + } + + // Sanitizer reduces the glyph advanceWidth to the maxAdvanceWidth + // Sometimes it's 0. That needs to be fixed + if (tables.hhea.data[10] === 0 && tables.hhea.data[11] === 0) { + tables.hhea.data[10] = 0xFF; + tables.hhea.data[11] = 0xFF; + } + + // Extract some more font properties from the OpenType head and + // hhea tables; yMin and descent value are always negative. + var metricsOverride = { + unitsPerEm: int16(tables.head.data[18], tables.head.data[19]), + yMax: int16(tables.head.data[42], tables.head.data[43]), + yMin: int16(tables.head.data[38], tables.head.data[39]) - 0x10000, + ascent: int16(tables.hhea.data[4], tables.hhea.data[5]), + descent: int16(tables.hhea.data[6], tables.hhea.data[7]) - 0x10000 + }; + + // PDF FontDescriptor metrics lie -- using data from actual font. + this.ascent = metricsOverride.ascent / metricsOverride.unitsPerEm; + this.descent = metricsOverride.descent / metricsOverride.unitsPerEm; + + // The 'post' table has glyphs names. + if (tables.post) { + var valid = readPostScriptTable(tables.post, properties, numGlyphs); + if (!valid) { + tables.post = null; + } + } + + var charCodeToGlyphId = [], charCode; + var toUnicode = properties.toUnicode, widths = properties.widths; + var skipToUnicode = (toUnicode instanceof IdentityToUnicodeMap || + toUnicode.length === 0x10000); + + // Helper function to try to skip mapping of empty glyphs. + // Note: In some cases, just relying on the glyph data doesn't work, + // hence we also use a few heuristics to fix various PDF files. + function hasGlyph(glyphId, charCode, widthCode) { + if (!missingGlyphs[glyphId]) { + return true; + } + if (!skipToUnicode && charCode >= 0 && toUnicode.has(charCode)) { + return true; + } + if (widths && widthCode >= 0 && isNum(widths[widthCode])) { + return true; + } + return false; + } + + if (properties.type === 'CIDFontType2') { + var cidToGidMap = properties.cidToGidMap || []; + var isCidToGidMapEmpty = cidToGidMap.length === 0; + + properties.cMap.forEach(function(charCode, cid) { + assert(cid <= 0xffff, 'Max size of CID is 65,535'); + var glyphId = -1; + if (isCidToGidMapEmpty) { + glyphId = charCode; + } else if (cidToGidMap[cid] !== undefined) { + glyphId = cidToGidMap[cid]; + } + + if (glyphId >= 0 && glyphId < numGlyphs && + hasGlyph(glyphId, charCode, cid)) { + charCodeToGlyphId[charCode] = glyphId; + } + }); + if (dupFirstEntry) { + charCodeToGlyphId[0] = numGlyphs - 1; + } + } else { + // Most of the following logic in this code branch is based on the + // 9.6.6.4 of the PDF spec. + var hasEncoding = + properties.differences.length > 0 || !!properties.baseEncodingName; + var cmapTable = + readCmapTable(tables.cmap, font, this.isSymbolicFont, hasEncoding); + var cmapPlatformId = cmapTable.platformId; + var cmapEncodingId = cmapTable.encodingId; + var cmapMappings = cmapTable.mappings; + var cmapMappingsLength = cmapMappings.length; + + // The spec seems to imply that if the font is symbolic the encoding + // should be ignored, this doesn't appear to work for 'preistabelle.pdf' + // where the the font is symbolic and it has an encoding. + if (hasEncoding && + (cmapPlatformId === 3 && cmapEncodingId === 1 || + cmapPlatformId === 1 && cmapEncodingId === 0) || + (cmapPlatformId === -1 && cmapEncodingId === -1 && // Temporary hack + !!Encodings[properties.baseEncodingName])) { // Temporary hack + // When no preferred cmap table was found and |baseEncodingName| is + // one of the predefined encodings, we seem to obtain a better + // |charCodeToGlyphId| map from the code below (fixes bug 1057544). + // TODO: Note that this is a hack which should be removed as soon as + // we have proper support for more exotic cmap tables. + + var baseEncoding = []; + if (properties.baseEncodingName === 'MacRomanEncoding' || + properties.baseEncodingName === 'WinAnsiEncoding') { + baseEncoding = Encodings[properties.baseEncodingName]; + } + for (charCode = 0; charCode < 256; charCode++) { + var glyphName; + if (this.differences && charCode in this.differences) { + glyphName = this.differences[charCode]; + } else if (charCode in baseEncoding && + baseEncoding[charCode] !== '') { + glyphName = baseEncoding[charCode]; + } else { + glyphName = Encodings.StandardEncoding[charCode]; + } + if (!glyphName) { + continue; + } + var unicodeOrCharCode, isUnicode = false; + if (cmapPlatformId === 3 && cmapEncodingId === 1) { + unicodeOrCharCode = GlyphsUnicode[glyphName]; + isUnicode = true; + } else if (cmapPlatformId === 1 && cmapEncodingId === 0) { + // TODO: the encoding needs to be updated with mac os table. + unicodeOrCharCode = Encodings.MacRomanEncoding.indexOf(glyphName); + } + + var found = false; + for (i = 0; i < cmapMappingsLength; ++i) { + if (cmapMappings[i].charCode !== unicodeOrCharCode) { + continue; + } + var code = isUnicode ? charCode : unicodeOrCharCode; + if (hasGlyph(cmapMappings[i].glyphId, code, -1)) { + charCodeToGlyphId[charCode] = cmapMappings[i].glyphId; + found = true; + break; + } + } + if (!found && properties.glyphNames) { + // Try to map using the post table. + var glyphId = properties.glyphNames.indexOf(glyphName); + if (glyphId > 0 && hasGlyph(glyphId, -1, -1)) { + charCodeToGlyphId[charCode] = glyphId; + } else { + charCodeToGlyphId[charCode] = 0; // notdef + } + } + } + } else if (cmapPlatformId === 0 && cmapEncodingId === 0) { + // Default Unicode semantics, use the charcodes as is. + for (i = 0; i < cmapMappingsLength; ++i) { + charCodeToGlyphId[cmapMappings[i].charCode] = + cmapMappings[i].glyphId; + } + } else { + // For (3, 0) cmap tables: + // The charcode key being stored in charCodeToGlyphId is the lower + // byte of the two-byte charcodes of the cmap table since according to + // the spec: 'each byte from the string shall be prepended with the + // high byte of the range [of charcodes in the cmap table], to form + // a two-byte character, which shall be used to select the + // associated glyph description from the subtable'. + // + // For (1, 0) cmap tables: + // 'single bytes from the string shall be used to look up the + // associated glyph descriptions from the subtable'. This means + // charcodes in the cmap will be single bytes, so no-op since + // glyph.charCode & 0xFF === glyph.charCode + for (i = 0; i < cmapMappingsLength; ++i) { + charCode = cmapMappings[i].charCode & 0xFF; + charCodeToGlyphId[charCode] = cmapMappings[i].glyphId; + } + } + } + + if (charCodeToGlyphId.length === 0) { + // defines at least one glyph + charCodeToGlyphId[0] = 0; + } + + // Converting glyphs and ids into font's cmap table + var newMapping = adjustMapping(charCodeToGlyphId, properties); + this.toFontChar = newMapping.toFontChar; + tables.cmap = { + tag: 'cmap', + data: createCmapTable(newMapping.charCodeToGlyphId, numGlyphs) + }; + + if (!tables['OS/2'] || !validateOS2Table(tables['OS/2'])) { + tables['OS/2'] = { + tag: 'OS/2', + data: createOS2Table(properties, newMapping.charCodeToGlyphId, + metricsOverride) + }; + } + + // Rewrite the 'post' table if needed + if (!tables.post) { + tables.post = { + tag: 'post', + data: createPostTable(properties) + }; + } + + if (!isTrueType) { + try { + // Trying to repair CFF file + cffFile = new Stream(tables['CFF '].data); + var parser = new CFFParser(cffFile, properties); + cff = parser.parse(); + var compiler = new CFFCompiler(cff); + tables['CFF '].data = compiler.compile(); + } catch (e) { + warn('Failed to compile font ' + properties.loadedName); + } + } + + // Re-creating 'name' table + if (!tables.name) { + tables.name = { + tag: 'name', + data: createNameTable(this.name) + }; + } else { + // ... using existing 'name' table as prototype + var namePrototype = readNameTable(tables.name); + tables.name.data = createNameTable(name, namePrototype); + } + + var builder = new OpenTypeFileBuilder(header.version); + for (var tableTag in tables) { + builder.addTable(tableTag, tables[tableTag].data); + } + return builder.toArray(); + }, + + convert: function Font_convert(fontName, font, properties) { + // TODO: Check the charstring widths to determine this. + properties.fixedPitch = false; + + var mapping = font.getGlyphMapping(properties); + var newMapping = adjustMapping(mapping, properties); + this.toFontChar = newMapping.toFontChar; + var numGlyphs = font.numGlyphs; + + function getCharCodes(charCodeToGlyphId, glyphId) { + var charCodes = null; + for (var charCode in charCodeToGlyphId) { + if (glyphId === charCodeToGlyphId[charCode]) { + if (!charCodes) { + charCodes = []; + } + charCodes.push(charCode | 0); + } + } + return charCodes; + } + + function createCharCode(charCodeToGlyphId, glyphId) { + for (var charCode in charCodeToGlyphId) { + if (glyphId === charCodeToGlyphId[charCode]) { + return charCode | 0; + } + } + newMapping.charCodeToGlyphId[newMapping.nextAvailableFontCharCode] = + glyphId; + return newMapping.nextAvailableFontCharCode++; + } + + var seacs = font.seacs; + if (SEAC_ANALYSIS_ENABLED && seacs && seacs.length) { + var matrix = properties.fontMatrix || FONT_IDENTITY_MATRIX; + var charset = font.getCharset(); + var seacMap = Object.create(null); + for (var glyphId in seacs) { + glyphId |= 0; + var seac = seacs[glyphId]; + var baseGlyphName = Encodings.StandardEncoding[seac[2]]; + var accentGlyphName = Encodings.StandardEncoding[seac[3]]; + var baseGlyphId = charset.indexOf(baseGlyphName); + var accentGlyphId = charset.indexOf(accentGlyphName); + if (baseGlyphId < 0 || accentGlyphId < 0) { + continue; + } + var accentOffset = { + x: seac[0] * matrix[0] + seac[1] * matrix[2] + matrix[4], + y: seac[0] * matrix[1] + seac[1] * matrix[3] + matrix[5] + }; + + var charCodes = getCharCodes(mapping, glyphId); + if (!charCodes) { + // There's no point in mapping it if the char code was never mapped + // to begin with. + continue; + } + for (var i = 0, ii = charCodes.length; i < ii; i++) { + var charCode = charCodes[i]; + // Find a fontCharCode that maps to the base and accent glyphs. + // If one doesn't exists, create it. + var charCodeToGlyphId = newMapping.charCodeToGlyphId; + var baseFontCharCode = createCharCode(charCodeToGlyphId, + baseGlyphId); + var accentFontCharCode = createCharCode(charCodeToGlyphId, + accentGlyphId); + seacMap[charCode] = { + baseFontCharCode: baseFontCharCode, + accentFontCharCode: accentFontCharCode, + accentOffset: accentOffset + }; + } + } + properties.seacMap = seacMap; + } + + var unitsPerEm = 1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0]; + + var builder = new OpenTypeFileBuilder('\x4F\x54\x54\x4F'); + // PostScript Font Program + builder.addTable('CFF ', font.data); + // OS/2 and Windows Specific metrics + builder.addTable('OS/2', createOS2Table(properties, + newMapping.charCodeToGlyphId)); + // Character to glyphs mapping + builder.addTable('cmap', createCmapTable(newMapping.charCodeToGlyphId, + numGlyphs)); + // Font header + builder.addTable('head', + '\x00\x01\x00\x00' + // Version number + '\x00\x00\x10\x00' + // fontRevision + '\x00\x00\x00\x00' + // checksumAdjustement + '\x5F\x0F\x3C\xF5' + // magicNumber + '\x00\x00' + // Flags + safeString16(unitsPerEm) + // unitsPerEM + '\x00\x00\x00\x00\x9e\x0b\x7e\x27' + // creation date + '\x00\x00\x00\x00\x9e\x0b\x7e\x27' + // modifification date + '\x00\x00' + // xMin + safeString16(properties.descent) + // yMin + '\x0F\xFF' + // xMax + safeString16(properties.ascent) + // yMax + string16(properties.italicAngle ? 2 : 0) + // macStyle + '\x00\x11' + // lowestRecPPEM + '\x00\x00' + // fontDirectionHint + '\x00\x00' + // indexToLocFormat + '\x00\x00'); // glyphDataFormat + + // Horizontal header + builder.addTable('hhea', + '\x00\x01\x00\x00' + // Version number + safeString16(properties.ascent) + // Typographic Ascent + safeString16(properties.descent) + // Typographic Descent + '\x00\x00' + // Line Gap + '\xFF\xFF' + // advanceWidthMax + '\x00\x00' + // minLeftSidebearing + '\x00\x00' + // minRightSidebearing + '\x00\x00' + // xMaxExtent + safeString16(properties.capHeight) + // caretSlopeRise + safeString16(Math.tan(properties.italicAngle) * + properties.xHeight) + // caretSlopeRun + '\x00\x00' + // caretOffset + '\x00\x00' + // -reserved- + '\x00\x00' + // -reserved- + '\x00\x00' + // -reserved- + '\x00\x00' + // -reserved- + '\x00\x00' + // metricDataFormat + string16(numGlyphs)); // Number of HMetrics + + // Horizontal metrics + builder.addTable('hmtx', (function fontFieldsHmtx() { + var charstrings = font.charstrings; + var cffWidths = font.cff ? font.cff.widths : null; + var hmtx = '\x00\x00\x00\x00'; // Fake .notdef + for (var i = 1, ii = numGlyphs; i < ii; i++) { + var width = 0; + if (charstrings) { + var charstring = charstrings[i - 1]; + width = 'width' in charstring ? charstring.width : 0; + } else if (cffWidths) { + width = Math.ceil(cffWidths[i] || 0); + } + hmtx += string16(width) + string16(0); + } + return hmtx; + })()); + + // Maximum profile + builder.addTable('maxp', + '\x00\x00\x50\x00' + // Version number + string16(numGlyphs)); // Num of glyphs + + // Naming tables + builder.addTable('name', createNameTable(fontName)); + + // PostScript informations + builder.addTable('post', createPostTable(properties)); + + return builder.toArray(); + }, + + /** + * Builds a char code to unicode map based on section 9.10 of the spec. + * @param {Object} properties Font properties object. + * @return {Object} A ToUnicodeMap object. + */ + buildToUnicode: function Font_buildToUnicode(properties) { + // Section 9.10.2 Mapping Character Codes to Unicode Values + if (properties.toUnicode && properties.toUnicode.length !== 0) { + return properties.toUnicode; + } + // According to the spec if the font is a simple font we should only map + // to unicode if the base encoding is MacRoman, MacExpert, or WinAnsi or + // the differences array only contains adobe standard or symbol set names, + // in pratice it seems better to always try to create a toUnicode + // map based of the default encoding. + var toUnicode, charcode; + if (!properties.composite /* is simple font */) { + toUnicode = []; + var encoding = properties.defaultEncoding.slice(); + var baseEncodingName = properties.baseEncodingName; + // Merge in the differences array. + var differences = properties.differences; + for (charcode in differences) { + encoding[charcode] = differences[charcode]; + } + for (charcode in encoding) { + // a) Map the character code to a character name. + var glyphName = encoding[charcode]; + // b) Look up the character name in the Adobe Glyph List (see the + // Bibliography) to obtain the corresponding Unicode value. + if (glyphName === '') { + continue; + } else if (GlyphsUnicode[glyphName] === undefined) { + // (undocumented) c) Few heuristics to recognize unknown glyphs + // NOTE: Adobe Reader does not do this step, but OSX Preview does + var code = 0; + switch (glyphName[0]) { + case 'G': // Gxx glyph + if (glyphName.length === 3) { + code = parseInt(glyphName.substr(1), 16); + } + break; + case 'g': // g00xx glyph + if (glyphName.length === 5) { + code = parseInt(glyphName.substr(1), 16); + } + break; + case 'C': // Cddd glyph + case 'c': // cddd glyph + if (glyphName.length >= 3) { + code = +glyphName.substr(1); + } + break; + } + if (code) { + // If |baseEncodingName| is one the predefined encodings, + // and |code| equals |charcode|, using the glyph defined in the + // baseEncoding seems to yield a better |toUnicode| mapping + // (fixes issue 5070). + if (baseEncodingName && code === +charcode) { + var baseEncoding = Encodings[baseEncodingName]; + if (baseEncoding && (glyphName = baseEncoding[charcode])) { + toUnicode[charcode] = + String.fromCharCode(GlyphsUnicode[glyphName]); + continue; + } + } + toUnicode[charcode] = String.fromCharCode(code); + } + continue; + } + toUnicode[charcode] = String.fromCharCode(GlyphsUnicode[glyphName]); + } + return new ToUnicodeMap(toUnicode); + } + // If the font is a composite font that uses one of the predefined CMaps + // listed in Table 118 (except Identity–H and Identity–V) or whose + // descendant CIDFont uses the Adobe-GB1, Adobe-CNS1, Adobe-Japan1, or + // Adobe-Korea1 character collection: + if (properties.composite && ( + (properties.cMap.builtInCMap && + !(properties.cMap instanceof IdentityCMap)) || + (properties.cidSystemInfo.registry === 'Adobe' && + (properties.cidSystemInfo.ordering === 'GB1' || + properties.cidSystemInfo.ordering === 'CNS1' || + properties.cidSystemInfo.ordering === 'Japan1' || + properties.cidSystemInfo.ordering === 'Korea1')))) { + // Then: + // a) Map the character code to a character identifier (CID) according + // to the font’s CMap. + // b) Obtain the registry and ordering of the character collection used + // by the font’s CMap (for example, Adobe and Japan1) from its + // CIDSystemInfo dictionary. + var registry = properties.cidSystemInfo.registry; + var ordering = properties.cidSystemInfo.ordering; + // c) Construct a second CMap name by concatenating the registry and + // ordering obtained in step (b) in the format registry–ordering–UCS2 + // (for example, Adobe–Japan1–UCS2). + var ucs2CMapName = new Name(registry + '-' + ordering + '-UCS2'); + // d) Obtain the CMap with the name constructed in step (c) (available + // from the ASN Web site; see the Bibliography). + var ucs2CMap = CMapFactory.create(ucs2CMapName, + { url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null); + var cMap = properties.cMap; + toUnicode = []; + cMap.forEach(function(charcode, cid) { + assert(cid <= 0xffff, 'Max size of CID is 65,535'); + // e) Map the CID obtained in step (a) according to the CMap obtained + // in step (d), producing a Unicode value. + var ucs2 = ucs2CMap.lookup(cid); + if (ucs2) { + toUnicode[charcode] = + String.fromCharCode((ucs2.charCodeAt(0) << 8) + + ucs2.charCodeAt(1)); + } + }); + return new ToUnicodeMap(toUnicode); + } + + // The viewer's choice, just use an identity map. + return new IdentityToUnicodeMap(properties.firstChar, + properties.lastChar); + }, + + get spaceWidth() { + if ('_shadowWidth' in this) { + return this._shadowWidth; + } + + // trying to estimate space character width + var possibleSpaceReplacements = ['space', 'minus', 'one', 'i']; + var width; + for (var i = 0, ii = possibleSpaceReplacements.length; i < ii; i++) { + var glyphName = possibleSpaceReplacements[i]; + // if possible, getting width by glyph name + if (glyphName in this.widths) { + width = this.widths[glyphName]; + break; + } + var glyphUnicode = GlyphsUnicode[glyphName]; + // finding the charcode via unicodeToCID map + var charcode = 0; + if (this.composite) { + if (this.cMap.contains(glyphUnicode)) { + charcode = this.cMap.lookup(glyphUnicode); + } + } + // ... via toUnicode map + if (!charcode && this.toUnicode) { + charcode = this.toUnicode.charCodeOf(glyphUnicode); + } + // setting it to unicode if negative or undefined + if (charcode <= 0) { + charcode = glyphUnicode; + } + // trying to get width via charcode + width = this.widths[charcode]; + if (width) { + break; // the non-zero width found + } + } + width = width || this.defaultWidth; + // Do not shadow the property here. See discussion: + // https://github.com/mozilla/pdf.js/pull/2127#discussion_r1662280 + this._shadowWidth = width; + return width; + }, + + charToGlyph: function Font_charToGlyph(charcode, isSpace) { + var fontCharCode, width, operatorListId; + + var widthCode = charcode; + if (this.cMap && this.cMap.contains(charcode)) { + widthCode = this.cMap.lookup(charcode); + } + width = this.widths[widthCode]; + width = isNum(width) ? width : this.defaultWidth; + var vmetric = this.vmetrics && this.vmetrics[widthCode]; + + var unicode = this.toUnicode.get(charcode) || charcode; + if (typeof unicode === 'number') { + unicode = String.fromCharCode(unicode); + } + + // First try the toFontChar map, if it's not there then try falling + // back to the char code. + fontCharCode = this.toFontChar[charcode] || charcode; + if (this.missingFile) { + fontCharCode = mapSpecialUnicodeValues(fontCharCode); + } + + if (this.isType3Font) { + // Font char code in this case is actually a glyph name. + operatorListId = fontCharCode; + } + + var accent = null; + if (this.seacMap && this.seacMap[charcode]) { + var seac = this.seacMap[charcode]; + fontCharCode = seac.baseFontCharCode; + accent = { + fontChar: String.fromCharCode(seac.accentFontCharCode), + offset: seac.accentOffset + }; + } + + var fontChar = String.fromCharCode(fontCharCode); + + var glyph = this.glyphCache[charcode]; + if (!glyph || + !glyph.matchesForCache(fontChar, unicode, accent, width, vmetric, + operatorListId, isSpace)) { + glyph = new Glyph(fontChar, unicode, accent, width, vmetric, + operatorListId, isSpace); + this.glyphCache[charcode] = glyph; + } + return glyph; + }, + + charsToGlyphs: function Font_charsToGlyphs(chars) { + var charsCache = this.charsCache; + var glyphs, glyph, charcode; + + // if we translated this string before, just grab it from the cache + if (charsCache) { + glyphs = charsCache[chars]; + if (glyphs) { + return glyphs; + } + } + + // lazily create the translation cache + if (!charsCache) { + charsCache = this.charsCache = Object.create(null); + } + + glyphs = []; + var charsCacheKey = chars; + var i = 0, ii; + + if (this.cMap) { + // composite fonts have multi-byte strings convert the string from + // single-byte to multi-byte + var c = {}; + while (i < chars.length) { + this.cMap.readCharCode(chars, i, c); + charcode = c.charcode; + var length = c.length; + i += length; + // Space is char with code 0x20 and length 1 in multiple-byte codes. + var isSpace = length === 1 && chars.charCodeAt(i - 1) === 0x20; + glyph = this.charToGlyph(charcode, isSpace); + glyphs.push(glyph); + } + } else { + for (i = 0, ii = chars.length; i < ii; ++i) { + charcode = chars.charCodeAt(i); + glyph = this.charToGlyph(charcode, charcode === 0x20); + glyphs.push(glyph); + } + } + + // Enter the translated string into the cache + return (charsCache[charsCacheKey] = glyphs); + } + }; + + return Font; +})(); + +var ErrorFont = (function ErrorFontClosure() { + function ErrorFont(error) { + this.error = error; + this.loadedName = 'g_font_error'; + this.loading = false; + } + + ErrorFont.prototype = { + charsToGlyphs: function ErrorFont_charsToGlyphs() { + return []; + }, + exportData: function ErrorFont_exportData() { + return {error: this.error}; + } + }; + + return ErrorFont; +})(); + +/** + * Shared logic for building a char code to glyph id mapping for Type1 and + * simple CFF fonts. See section 9.6.6.2 of the spec. + * @param {Object} properties Font properties object. + * @param {Object} builtInEncoding The encoding contained within the actual font + * data. + * @param {Array} Array of glyph names where the index is the glyph ID. + * @returns {Object} A char code to glyph ID map. + */ +function type1FontGlyphMapping(properties, builtInEncoding, glyphNames) { + var charCodeToGlyphId = Object.create(null); + var glyphId, charCode, baseEncoding; + + if (properties.baseEncodingName) { + // If a valid base encoding name was used, the mapping is initialized with + // that. + baseEncoding = Encodings[properties.baseEncodingName]; + for (charCode = 0; charCode < baseEncoding.length; charCode++) { + glyphId = glyphNames.indexOf(baseEncoding[charCode]); + if (glyphId >= 0) { + charCodeToGlyphId[charCode] = glyphId; + } else { + charCodeToGlyphId[charCode] = 0; // notdef + } + } + } else if (!!(properties.flags & FontFlags.Symbolic)) { + // For a symbolic font the encoding should be the fonts built-in + // encoding. + for (charCode in builtInEncoding) { + charCodeToGlyphId[charCode] = builtInEncoding[charCode]; + } + } else { + // For non-symbolic fonts that don't have a base encoding the standard + // encoding should be used. + baseEncoding = Encodings.StandardEncoding; + for (charCode = 0; charCode < baseEncoding.length; charCode++) { + glyphId = glyphNames.indexOf(baseEncoding[charCode]); + if (glyphId >= 0) { + charCodeToGlyphId[charCode] = glyphId; + } else { + charCodeToGlyphId[charCode] = 0; // notdef + } + } + } + + // Lastly, merge in the differences. + var differences = properties.differences; + if (differences) { + for (charCode in differences) { + var glyphName = differences[charCode]; + glyphId = glyphNames.indexOf(glyphName); + if (glyphId >= 0) { + charCodeToGlyphId[charCode] = glyphId; + } else { + charCodeToGlyphId[charCode] = 0; // notdef + } + } + } + return charCodeToGlyphId; +} + +/* + * CharStrings are encoded following the the CharString Encoding sequence + * describe in Chapter 6 of the "Adobe Type1 Font Format" specification. + * The value in a byte indicates a command, a number, or subsequent bytes + * that are to be interpreted in a special way. + * + * CharString Number Encoding: + * A CharString byte containing the values from 32 through 255 inclusive + * indicate an integer. These values are decoded in four ranges. + * + * 1. A CharString byte containing a value, v, between 32 and 246 inclusive, + * indicate the integer v - 139. Thus, the integer values from -107 through + * 107 inclusive may be encoded in single byte. + * + * 2. A CharString byte containing a value, v, between 247 and 250 inclusive, + * indicates an integer involving the next byte, w, according to the formula: + * [(v - 247) x 256] + w + 108 + * + * 3. A CharString byte containing a value, v, between 251 and 254 inclusive, + * indicates an integer involving the next byte, w, according to the formula: + * -[(v - 251) * 256] - w - 108 + * + * 4. A CharString containing the value 255 indicates that the next 4 bytes + * are a two complement signed integer. The first of these bytes contains the + * highest order bits, the second byte contains the next higher order bits + * and the fourth byte contain the lowest order bits. + * + * + * CharString Command Encoding: + * CharStrings commands are encoded in 1 or 2 bytes. + * + * Single byte commands are encoded in 1 byte that contains a value between + * 0 and 31 inclusive. + * If a command byte contains the value 12, then the value in the next byte + * indicates a command. This "escape" mechanism allows many extra commands + * to be encoded and this encoding technique helps to minimize the length of + * the charStrings. + */ +var Type1CharString = (function Type1CharStringClosure() { + var COMMAND_MAP = { + 'hstem': [1], + 'vstem': [3], + 'vmoveto': [4], + 'rlineto': [5], + 'hlineto': [6], + 'vlineto': [7], + 'rrcurveto': [8], + 'callsubr': [10], + 'flex': [12, 35], + 'drop' : [12, 18], + 'endchar': [14], + 'rmoveto': [21], + 'hmoveto': [22], + 'vhcurveto': [30], + 'hvcurveto': [31] + }; + + function Type1CharString() { + this.width = 0; + this.lsb = 0; + this.flexing = false; + this.output = []; + this.stack = []; + } + + Type1CharString.prototype = { + convert: function Type1CharString_convert(encoded, subrs) { + var count = encoded.length; + var error = false; + var wx, sbx, subrNumber; + for (var i = 0; i < count; i++) { + var value = encoded[i]; + if (value < 32) { + if (value === 12) { + value = (value << 8) + encoded[++i]; + } + switch (value) { + case 1: // hstem + if (!HINTING_ENABLED) { + this.stack = []; + break; + } + error = this.executeCommand(2, COMMAND_MAP.hstem); + break; + case 3: // vstem + if (!HINTING_ENABLED) { + this.stack = []; + break; + } + error = this.executeCommand(2, COMMAND_MAP.vstem); + break; + case 4: // vmoveto + if (this.flexing) { + if (this.stack.length < 1) { + error = true; + break; + } + // Add the dx for flex and but also swap the values so they are + // the right order. + var dy = this.stack.pop(); + this.stack.push(0, dy); + break; + } + error = this.executeCommand(1, COMMAND_MAP.vmoveto); + break; + case 5: // rlineto + error = this.executeCommand(2, COMMAND_MAP.rlineto); + break; + case 6: // hlineto + error = this.executeCommand(1, COMMAND_MAP.hlineto); + break; + case 7: // vlineto + error = this.executeCommand(1, COMMAND_MAP.vlineto); + break; + case 8: // rrcurveto + error = this.executeCommand(6, COMMAND_MAP.rrcurveto); + break; + case 9: // closepath + // closepath is a Type1 command that does not take argument and is + // useless in Type2 and it can simply be ignored. + this.stack = []; + break; + case 10: // callsubr + if (this.stack.length < 1) { + error = true; + break; + } + subrNumber = this.stack.pop(); + error = this.convert(subrs[subrNumber], subrs); + break; + case 11: // return + return error; + case 13: // hsbw + if (this.stack.length < 2) { + error = true; + break; + } + // To convert to type2 we have to move the width value to the + // first part of the charstring and then use hmoveto with lsb. + wx = this.stack.pop(); + sbx = this.stack.pop(); + this.lsb = sbx; + this.width = wx; + this.stack.push(wx, sbx); + error = this.executeCommand(2, COMMAND_MAP.hmoveto); + break; + case 14: // endchar + this.output.push(COMMAND_MAP.endchar[0]); + break; + case 21: // rmoveto + if (this.flexing) { + break; + } + error = this.executeCommand(2, COMMAND_MAP.rmoveto); + break; + case 22: // hmoveto + if (this.flexing) { + // Add the dy for flex. + this.stack.push(0); + break; + } + error = this.executeCommand(1, COMMAND_MAP.hmoveto); + break; + case 30: // vhcurveto + error = this.executeCommand(4, COMMAND_MAP.vhcurveto); + break; + case 31: // hvcurveto + error = this.executeCommand(4, COMMAND_MAP.hvcurveto); + break; + case (12 << 8) + 0: // dotsection + // dotsection is a Type1 command to specify some hinting feature + // for dots that do not take a parameter and it can safely be + // ignored for Type2. + this.stack = []; + break; + case (12 << 8) + 1: // vstem3 + if (!HINTING_ENABLED) { + this.stack = []; + break; + } + // [vh]stem3 are Type1 only and Type2 supports [vh]stem with + // multiple parameters, so instead of returning [vh]stem3 take a + // shortcut and return [vhstem] instead. + error = this.executeCommand(2, COMMAND_MAP.vstem); + break; + case (12 << 8) + 2: // hstem3 + if (!HINTING_ENABLED) { + this.stack = []; + break; + } + // See vstem3. + error = this.executeCommand(2, COMMAND_MAP.hstem); + break; + case (12 << 8) + 6: // seac + // seac is like type 2's special endchar but it doesn't use the + // first argument asb, so remove it. + if (SEAC_ANALYSIS_ENABLED) { + this.seac = this.stack.splice(-4, 4); + error = this.executeCommand(0, COMMAND_MAP.endchar); + } else { + error = this.executeCommand(4, COMMAND_MAP.endchar); + } + break; + case (12 << 8) + 7: // sbw + if (this.stack.length < 4) { + error = true; + break; + } + // To convert to type2 we have to move the width value to the + // first part of the charstring and then use rmoveto with + // (dx, dy). The height argument will not be used for vmtx and + // vhea tables reconstruction -- ignoring it. + var wy = this.stack.pop(); + wx = this.stack.pop(); + var sby = this.stack.pop(); + sbx = this.stack.pop(); + this.lsb = sbx; + this.width = wx; + this.stack.push(wx, sbx, sby); + error = this.executeCommand(3, COMMAND_MAP.rmoveto); + break; + case (12 << 8) + 12: // div + if (this.stack.length < 2) { + error = true; + break; + } + var num2 = this.stack.pop(); + var num1 = this.stack.pop(); + this.stack.push(num1 / num2); + break; + case (12 << 8) + 16: // callothersubr + if (this.stack.length < 2) { + error = true; + break; + } + subrNumber = this.stack.pop(); + var numArgs = this.stack.pop(); + if (subrNumber === 0 && numArgs === 3) { + var flexArgs = this.stack.splice(this.stack.length - 17, 17); + this.stack.push( + flexArgs[2] + flexArgs[0], // bcp1x + rpx + flexArgs[3] + flexArgs[1], // bcp1y + rpy + flexArgs[4], // bcp2x + flexArgs[5], // bcp2y + flexArgs[6], // p2x + flexArgs[7], // p2y + flexArgs[8], // bcp3x + flexArgs[9], // bcp3y + flexArgs[10], // bcp4x + flexArgs[11], // bcp4y + flexArgs[12], // p3x + flexArgs[13], // p3y + flexArgs[14] // flexDepth + // 15 = finalx unused by flex + // 16 = finaly unused by flex + ); + error = this.executeCommand(13, COMMAND_MAP.flex, true); + this.flexing = false; + this.stack.push(flexArgs[15], flexArgs[16]); + } else if (subrNumber === 1 && numArgs === 0) { + this.flexing = true; + } + break; + case (12 << 8) + 17: // pop + // Ignore this since it is only used with othersubr. + break; + case (12 << 8) + 33: // setcurrentpoint + // Ignore for now. + this.stack = []; + break; + default: + warn('Unknown type 1 charstring command of "' + value + '"'); + break; + } + if (error) { + break; + } + continue; + } else if (value <= 246) { + value = value - 139; + } else if (value <= 250) { + value = ((value - 247) * 256) + encoded[++i] + 108; + } else if (value <= 254) { + value = -((value - 251) * 256) - encoded[++i] - 108; + } else { + value = (encoded[++i] & 0xff) << 24 | (encoded[++i] & 0xff) << 16 | + (encoded[++i] & 0xff) << 8 | (encoded[++i] & 0xff) << 0; + } + this.stack.push(value); + } + return error; + }, + + executeCommand: function(howManyArgs, command, keepStack) { + var stackLength = this.stack.length; + if (howManyArgs > stackLength) { + return true; + } + var start = stackLength - howManyArgs; + for (var i = start; i < stackLength; i++) { + var value = this.stack[i]; + if (value === (value | 0)) { // int + this.output.push(28, (value >> 8) & 0xff, value & 0xff); + } else { // fixed point + value = (65536 * value) | 0; + this.output.push(255, + (value >> 24) & 0xFF, + (value >> 16) & 0xFF, + (value >> 8) & 0xFF, + value & 0xFF); + } + } + this.output.push.apply(this.output, command); + if (keepStack) { + this.stack.splice(start, howManyArgs); + } else { + this.stack.length = 0; + } + return false; + } + }; + + return Type1CharString; +})(); + +/* + * Type1Parser encapsulate the needed code for parsing a Type1 font + * program. Some of its logic depends on the Type2 charstrings + * structure. + * Note: this doesn't really parse the font since that would require evaluation + * of PostScript, but it is possible in most cases to extract what we need + * without a full parse. + */ +var Type1Parser = (function Type1ParserClosure() { + /* + * Decrypt a Sequence of Ciphertext Bytes to Produce the Original Sequence + * of Plaintext Bytes. The function took a key as a parameter which can be + * for decrypting the eexec block of for decoding charStrings. + */ + var EEXEC_ENCRYPT_KEY = 55665; + var CHAR_STRS_ENCRYPT_KEY = 4330; + + function isHexDigit(code) { + return code >= 48 && code <= 57 || // '0'-'9' + code >= 65 && code <= 70 || // 'A'-'F' + code >= 97 && code <= 102; // 'a'-'f' + } + + function decrypt(data, key, discardNumber) { + var r = key | 0, c1 = 52845, c2 = 22719; + var count = data.length; + var decrypted = new Uint8Array(count); + for (var i = 0; i < count; i++) { + var value = data[i]; + decrypted[i] = value ^ (r >> 8); + r = ((value + r) * c1 + c2) & ((1 << 16) - 1); + } + return Array.prototype.slice.call(decrypted, discardNumber); + } + + function decryptAscii(data, key, discardNumber) { + var r = key | 0, c1 = 52845, c2 = 22719; + var count = data.length, maybeLength = count >>> 1; + var decrypted = new Uint8Array(maybeLength); + var i, j; + for (i = 0, j = 0; i < count; i++) { + var digit1 = data[i]; + if (!isHexDigit(digit1)) { + continue; + } + i++; + var digit2; + while (i < count && !isHexDigit(digit2 = data[i])) { + i++; + } + if (i < count) { + var value = parseInt(String.fromCharCode(digit1, digit2), 16); + decrypted[j++] = value ^ (r >> 8); + r = ((value + r) * c1 + c2) & ((1 << 16) - 1); + } + } + return Array.prototype.slice.call(decrypted, discardNumber, j); + } + + function isSpecial(c) { + return c === 0x2F || // '/' + c === 0x5B || c === 0x5D || // '[', ']' + c === 0x7B || c === 0x7D || // '{', '}' + c === 0x28 || c === 0x29; // '(', ')' + } + + function Type1Parser(stream, encrypted) { + if (encrypted) { + var data = stream.getBytes(); + var isBinary = !(isHexDigit(data[0]) && isHexDigit(data[1]) && + isHexDigit(data[2]) && isHexDigit(data[3])); + stream = new Stream(isBinary ? decrypt(data, EEXEC_ENCRYPT_KEY, 4) : + decryptAscii(data, EEXEC_ENCRYPT_KEY, 4)); + } + this.stream = stream; + this.nextChar(); + } + + Type1Parser.prototype = { + readNumberArray: function Type1Parser_readNumberArray() { + this.getToken(); // read '[' or '{' (arrays can start with either) + var array = []; + while (true) { + var token = this.getToken(); + if (token === null || token === ']' || token === '}') { + break; + } + array.push(parseFloat(token || 0)); + } + return array; + }, + + readNumber: function Type1Parser_readNumber() { + var token = this.getToken(); + return parseFloat(token || 0); + }, + + readInt: function Type1Parser_readInt() { + // Use '| 0' to prevent setting a double into length such as the double + // does not flow into the loop variable. + var token = this.getToken(); + return parseInt(token || 0, 10) | 0; + }, + + readBoolean: function Type1Parser_readBoolean() { + var token = this.getToken(); + + // Use 1 and 0 since that's what type2 charstrings use. + return token === 'true' ? 1 : 0; + }, + + nextChar : function Type1_nextChar() { + return (this.currentChar = this.stream.getByte()); + }, + + getToken: function Type1Parser_getToken() { + // Eat whitespace and comments. + var comment = false; + var ch = this.currentChar; + while (true) { + if (ch === -1) { + return null; + } + + if (comment) { + if (ch === 0x0A || ch === 0x0D) { + comment = false; + } + } else if (ch === 0x25) { // '%' + comment = true; + } else if (!Lexer.isSpace(ch)) { + break; + } + ch = this.nextChar(); + } + if (isSpecial(ch)) { + this.nextChar(); + return String.fromCharCode(ch); + } + var token = ''; + do { + token += String.fromCharCode(ch); + ch = this.nextChar(); + } while (ch >= 0 && !Lexer.isSpace(ch) && !isSpecial(ch)); + return token; + }, + + /* + * Returns an object containing a Subrs array and a CharStrings + * array extracted from and eexec encrypted block of data + */ + extractFontProgram: function Type1Parser_extractFontProgram() { + var stream = this.stream; + + var subrs = [], charstrings = []; + var program = { + subrs: [], + charstrings: [], + properties: { + 'privateData': { + 'lenIV': 4 + } + } + }; + var token, length, data, lenIV, encoded; + while ((token = this.getToken()) !== null) { + if (token !== '/') { + continue; + } + token = this.getToken(); + switch (token) { + case 'CharStrings': + // The number immediately following CharStrings must be greater or + // equal to the number of CharStrings. + this.getToken(); + this.getToken(); // read in 'dict' + this.getToken(); // read in 'dup' + this.getToken(); // read in 'begin' + while(true) { + token = this.getToken(); + if (token === null || token === 'end') { + break; + } + + if (token !== '/') { + continue; + } + var glyph = this.getToken(); + length = this.readInt(); + this.getToken(); // read in 'RD' or '-|' + data = stream.makeSubStream(stream.pos, length); + lenIV = program.properties.privateData['lenIV']; + encoded = decrypt(data.getBytes(), CHAR_STRS_ENCRYPT_KEY, lenIV); + // Skip past the required space and binary data. + stream.skip(length); + this.nextChar(); + token = this.getToken(); // read in 'ND' or '|-' + if (token === 'noaccess') { + this.getToken(); // read in 'def' + } + charstrings.push({ + glyph: glyph, + encoded: encoded + }); + } + break; + case 'Subrs': + var num = this.readInt(); + this.getToken(); // read in 'array' + while ((token = this.getToken()) === 'dup') { + var index = this.readInt(); + length = this.readInt(); + this.getToken(); // read in 'RD' or '-|' + data = stream.makeSubStream(stream.pos, length); + lenIV = program.properties.privateData['lenIV']; + encoded = decrypt(data.getBytes(), CHAR_STRS_ENCRYPT_KEY, lenIV); + // Skip past the required space and binary data. + stream.skip(length); + this.nextChar(); + token = this.getToken(); // read in 'NP' or '|' + if (token === 'noaccess') { + this.getToken(); // read in 'put' + } + subrs[index] = encoded; + } + break; + case 'BlueValues': + case 'OtherBlues': + case 'FamilyBlues': + case 'FamilyOtherBlues': + var blueArray = this.readNumberArray(); + // *Blue* values may contain invalid data: disables reading of + // those values when hinting is disabled. + if (blueArray.length > 0 && (blueArray.length % 2) === 0 && + HINTING_ENABLED) { + program.properties.privateData[token] = blueArray; + } + break; + case 'StemSnapH': + case 'StemSnapV': + program.properties.privateData[token] = this.readNumberArray(); + break; + case 'StdHW': + case 'StdVW': + program.properties.privateData[token] = + this.readNumberArray()[0]; + break; + case 'BlueShift': + case 'lenIV': + case 'BlueFuzz': + case 'BlueScale': + case 'LanguageGroup': + case 'ExpansionFactor': + program.properties.privateData[token] = this.readNumber(); + break; + case 'ForceBold': + program.properties.privateData[token] = this.readBoolean(); + break; + } + } + + for (var i = 0; i < charstrings.length; i++) { + glyph = charstrings[i].glyph; + encoded = charstrings[i].encoded; + var charString = new Type1CharString(); + var error = charString.convert(encoded, subrs); + var output = charString.output; + if (error) { + // It seems when FreeType encounters an error while evaluating a glyph + // that it completely ignores the glyph so we'll mimic that behaviour + // here and put an endchar to make the validator happy. + output = [14]; + } + program.charstrings.push({ + glyphName: glyph, + charstring: output, + width: charString.width, + lsb: charString.lsb, + seac: charString.seac + }); + } + + return program; + }, + + extractFontHeader: function Type1Parser_extractFontHeader(properties) { + var token; + while ((token = this.getToken()) !== null) { + if (token !== '/') { + continue; + } + token = this.getToken(); + switch (token) { + case 'FontMatrix': + var matrix = this.readNumberArray(); + properties.fontMatrix = matrix; + break; + case 'Encoding': + var encodingArg = this.getToken(); + var encoding; + if (!/^\d+$/.test(encodingArg)) { + // encoding name is specified + encoding = Encodings[encodingArg]; + } else { + encoding = []; + var size = parseInt(encodingArg, 10) | 0; + this.getToken(); // read in 'array' + + for (var j = 0; j < size; j++) { + token = this.getToken(); + // skipping till first dup or def (e.g. ignoring for statement) + while (token !== 'dup' && token !== 'def') { + token = this.getToken(); + if (token === null) { + return; // invalid header + } + } + if (token === 'def') { + break; // read all array data + } + var index = this.readInt(); + this.getToken(); // read in '/' + var glyph = this.getToken(); + encoding[index] = glyph; + this.getToken(); // read the in 'put' + } + } + properties.builtInEncoding = encoding; + break; + case 'FontBBox': + var fontBBox = this.readNumberArray(); + // adjusting ascent/descent + properties.ascent = fontBBox[3]; + properties.descent = fontBBox[1]; + properties.ascentScaled = true; + break; + } + } + } + }; + + return Type1Parser; +})(); + +/** + * The CFF class takes a Type1 file and wrap it into a + * 'Compact Font Format' which itself embed Type2 charstrings. + */ +var CFFStandardStrings = [ + '.notdef', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', + 'ampersand', 'quoteright', 'parenleft', 'parenright', 'asterisk', 'plus', + 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three', 'four', + 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', 'less', + 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', + 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', + 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', 'asciicircum', + 'underscore', 'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', + 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', + 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', 'exclamdown', 'cent', + 'sterling', 'fraction', 'yen', 'florin', 'section', 'currency', + 'quotesingle', 'quotedblleft', 'guillemotleft', 'guilsinglleft', + 'guilsinglright', 'fi', 'fl', 'endash', 'dagger', 'daggerdbl', + 'periodcentered', 'paragraph', 'bullet', 'quotesinglbase', 'quotedblbase', + 'quotedblright', 'guillemotright', 'ellipsis', 'perthousand', 'questiondown', + 'grave', 'acute', 'circumflex', 'tilde', 'macron', 'breve', 'dotaccent', + 'dieresis', 'ring', 'cedilla', 'hungarumlaut', 'ogonek', 'caron', 'emdash', + 'AE', 'ordfeminine', 'Lslash', 'Oslash', 'OE', 'ordmasculine', 'ae', + 'dotlessi', 'lslash', 'oslash', 'oe', 'germandbls', 'onesuperior', + 'logicalnot', 'mu', 'trademark', 'Eth', 'onehalf', 'plusminus', 'Thorn', + 'onequarter', 'divide', 'brokenbar', 'degree', 'thorn', 'threequarters', + 'twosuperior', 'registered', 'minus', 'eth', 'multiply', 'threesuperior', + 'copyright', 'Aacute', 'Acircumflex', 'Adieresis', 'Agrave', 'Aring', + 'Atilde', 'Ccedilla', 'Eacute', 'Ecircumflex', 'Edieresis', 'Egrave', + 'Iacute', 'Icircumflex', 'Idieresis', 'Igrave', 'Ntilde', 'Oacute', + 'Ocircumflex', 'Odieresis', 'Ograve', 'Otilde', 'Scaron', 'Uacute', + 'Ucircumflex', 'Udieresis', 'Ugrave', 'Yacute', 'Ydieresis', 'Zcaron', + 'aacute', 'acircumflex', 'adieresis', 'agrave', 'aring', 'atilde', + 'ccedilla', 'eacute', 'ecircumflex', 'edieresis', 'egrave', 'iacute', + 'icircumflex', 'idieresis', 'igrave', 'ntilde', 'oacute', 'ocircumflex', + 'odieresis', 'ograve', 'otilde', 'scaron', 'uacute', 'ucircumflex', + 'udieresis', 'ugrave', 'yacute', 'ydieresis', 'zcaron', 'exclamsmall', + 'Hungarumlautsmall', 'dollaroldstyle', 'dollarsuperior', 'ampersandsmall', + 'Acutesmall', 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader', + 'onedotenleader', 'zerooldstyle', 'oneoldstyle', 'twooldstyle', + 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle', 'sixoldstyle', + 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle', 'commasuperior', + 'threequartersemdash', 'periodsuperior', 'questionsmall', 'asuperior', + 'bsuperior', 'centsuperior', 'dsuperior', 'esuperior', 'isuperior', + 'lsuperior', 'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior', + 'tsuperior', 'ff', 'ffi', 'ffl', 'parenleftinferior', 'parenrightinferior', + 'Circumflexsmall', 'hyphensuperior', 'Gravesmall', 'Asmall', 'Bsmall', + 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', 'Hsmall', 'Ismall', + 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', 'Osmall', 'Psmall', + 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', 'Vsmall', 'Wsmall', + 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', 'onefitted', 'rupiah', + 'Tildesmall', 'exclamdownsmall', 'centoldstyle', 'Lslashsmall', + 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall', 'Brevesmall', 'Caronsmall', + 'Dotaccentsmall', 'Macronsmall', 'figuredash', 'hypheninferior', + 'Ogoneksmall', 'Ringsmall', 'Cedillasmall', 'questiondownsmall', 'oneeighth', + 'threeeighths', 'fiveeighths', 'seveneighths', 'onethird', 'twothirds', + 'zerosuperior', 'foursuperior', 'fivesuperior', 'sixsuperior', + 'sevensuperior', 'eightsuperior', 'ninesuperior', 'zeroinferior', + 'oneinferior', 'twoinferior', 'threeinferior', 'fourinferior', + 'fiveinferior', 'sixinferior', 'seveninferior', 'eightinferior', + 'nineinferior', 'centinferior', 'dollarinferior', 'periodinferior', + 'commainferior', 'Agravesmall', 'Aacutesmall', 'Acircumflexsmall', + 'Atildesmall', 'Adieresissmall', 'Aringsmall', 'AEsmall', 'Ccedillasmall', + 'Egravesmall', 'Eacutesmall', 'Ecircumflexsmall', 'Edieresissmall', + 'Igravesmall', 'Iacutesmall', 'Icircumflexsmall', 'Idieresissmall', + 'Ethsmall', 'Ntildesmall', 'Ogravesmall', 'Oacutesmall', 'Ocircumflexsmall', + 'Otildesmall', 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', + 'Uacutesmall', 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', + 'Thornsmall', 'Ydieresissmall', '001.000', '001.001', '001.002', '001.003', + 'Black', 'Bold', 'Book', 'Light', 'Medium', 'Regular', 'Roman', 'Semibold' +]; + +// Type1Font is also a CIDFontType0. +var Type1Font = function Type1Font(name, file, properties) { + // Some bad generators embed pfb file as is, we have to strip 6-byte headers. + // Also, length1 and length2 might be off by 6 bytes as well. + // http://www.math.ubc.ca/~cass/piscript/type1.pdf + var PFB_HEADER_SIZE = 6; + var headerBlockLength = properties.length1; + var eexecBlockLength = properties.length2; + var pfbHeader = file.peekBytes(PFB_HEADER_SIZE); + var pfbHeaderPresent = pfbHeader[0] === 0x80 && pfbHeader[1] === 0x01; + if (pfbHeaderPresent) { + file.skip(PFB_HEADER_SIZE); + headerBlockLength = (pfbHeader[5] << 24) | (pfbHeader[4] << 16) | + (pfbHeader[3] << 8) | pfbHeader[2]; + } + + // Get the data block containing glyphs and subrs informations + var headerBlock = new Stream(file.getBytes(headerBlockLength)); + var headerBlockParser = new Type1Parser(headerBlock); + headerBlockParser.extractFontHeader(properties); + + if (pfbHeaderPresent) { + pfbHeader = file.getBytes(PFB_HEADER_SIZE); + eexecBlockLength = (pfbHeader[5] << 24) | (pfbHeader[4] << 16) | + (pfbHeader[3] << 8) | pfbHeader[2]; + } + + // Decrypt the data blocks and retrieve it's content + var eexecBlock = new Stream(file.getBytes(eexecBlockLength)); + var eexecBlockParser = new Type1Parser(eexecBlock, true); + var data = eexecBlockParser.extractFontProgram(); + for (var info in data.properties) { + properties[info] = data.properties[info]; + } + + var charstrings = data.charstrings; + var type2Charstrings = this.getType2Charstrings(charstrings); + var subrs = this.getType2Subrs(data.subrs); + + this.charstrings = charstrings; + this.data = this.wrap(name, type2Charstrings, this.charstrings, + subrs, properties); + this.seacs = this.getSeacs(data.charstrings); +}; + +Type1Font.prototype = { + get numGlyphs() { + return this.charstrings.length + 1; + }, + + getCharset: function Type1Font_getCharset() { + var charset = ['.notdef']; + var charstrings = this.charstrings; + for (var glyphId = 0; glyphId < charstrings.length; glyphId++) { + charset.push(charstrings[glyphId].glyphName); + } + return charset; + }, + + getGlyphMapping: function Type1Font_getGlyphMapping(properties) { + var charstrings = this.charstrings; + var glyphNames = ['.notdef'], glyphId; + for (glyphId = 0; glyphId < charstrings.length; glyphId++) { + glyphNames.push(charstrings[glyphId].glyphName); + } + var encoding = properties.builtInEncoding; + if (encoding) { + var builtInEncoding = {}; + for (var charCode in encoding) { + glyphId = glyphNames.indexOf(encoding[charCode]); + if (glyphId >= 0) { + builtInEncoding[charCode] = glyphId; + } + } + } + + return type1FontGlyphMapping(properties, builtInEncoding, glyphNames); + }, + + getSeacs: function Type1Font_getSeacs(charstrings) { + var i, ii; + var seacMap = []; + for (i = 0, ii = charstrings.length; i < ii; i++) { + var charstring = charstrings[i]; + if (charstring.seac) { + // Offset by 1 for .notdef + seacMap[i + 1] = charstring.seac; + } + } + return seacMap; + }, + + getType2Charstrings: function Type1Font_getType2Charstrings( + type1Charstrings) { + var type2Charstrings = []; + for (var i = 0, ii = type1Charstrings.length; i < ii; i++) { + type2Charstrings.push(type1Charstrings[i].charstring); + } + return type2Charstrings; + }, + + getType2Subrs: function Type1Font_getType2Subrs(type1Subrs) { + var bias = 0; + var count = type1Subrs.length; + if (count < 1133) { + bias = 107; + } else if (count < 33769) { + bias = 1131; + } else { + bias = 32768; + } + + // Add a bunch of empty subrs to deal with the Type2 bias + var type2Subrs = []; + var i; + for (i = 0; i < bias; i++) { + type2Subrs.push([0x0B]); + } + + for (i = 0; i < count; i++) { + type2Subrs.push(type1Subrs[i]); + } + + return type2Subrs; + }, + + wrap: function Type1Font_wrap(name, glyphs, charstrings, subrs, properties) { + var cff = new CFF(); + cff.header = new CFFHeader(1, 0, 4, 4); + + cff.names = [name]; + + var topDict = new CFFTopDict(); + // CFF strings IDs 0...390 are predefined names, so refering + // to entries in our own String INDEX starts at SID 391. + topDict.setByName('version', 391); + topDict.setByName('Notice', 392); + topDict.setByName('FullName', 393); + topDict.setByName('FamilyName', 394); + topDict.setByName('Weight', 395); + topDict.setByName('Encoding', null); // placeholder + topDict.setByName('FontMatrix', properties.fontMatrix); + topDict.setByName('FontBBox', properties.bbox); + topDict.setByName('charset', null); // placeholder + topDict.setByName('CharStrings', null); // placeholder + topDict.setByName('Private', null); // placeholder + cff.topDict = topDict; + + var strings = new CFFStrings(); + strings.add('Version 0.11'); // Version + strings.add('See original notice'); // Notice + strings.add(name); // FullName + strings.add(name); // FamilyName + strings.add('Medium'); // Weight + cff.strings = strings; + + cff.globalSubrIndex = new CFFIndex(); + + var count = glyphs.length; + var charsetArray = [0]; + var i, ii; + for (i = 0; i < count; i++) { + var index = CFFStandardStrings.indexOf(charstrings[i].glyphName); + // TODO: Insert the string and correctly map it. Previously it was + // thought mapping names that aren't in the standard strings to .notdef + // was fine, however in issue818 when mapping them all to .notdef the + // adieresis glyph no longer worked. + if (index === -1) { + index = 0; + } + charsetArray.push((index >> 8) & 0xff, index & 0xff); + } + cff.charset = new CFFCharset(false, 0, [], charsetArray); + + var charStringsIndex = new CFFIndex(); + charStringsIndex.add([0x8B, 0x0E]); // .notdef + for (i = 0; i < count; i++) { + charStringsIndex.add(glyphs[i]); + } + cff.charStrings = charStringsIndex; + + var privateDict = new CFFPrivateDict(); + privateDict.setByName('Subrs', null); // placeholder + var fields = [ + 'BlueValues', + 'OtherBlues', + 'FamilyBlues', + 'FamilyOtherBlues', + 'StemSnapH', + 'StemSnapV', + 'BlueShift', + 'BlueFuzz', + 'BlueScale', + 'LanguageGroup', + 'ExpansionFactor', + 'ForceBold', + 'StdHW', + 'StdVW' + ]; + for (i = 0, ii = fields.length; i < ii; i++) { + var field = fields[i]; + if (!properties.privateData.hasOwnProperty(field)) { + continue; + } + var value = properties.privateData[field]; + if (isArray(value)) { + // All of the private dictionary array data in CFF must be stored as + // "delta-encoded" numbers. + for (var j = value.length - 1; j > 0; j--) { + value[j] -= value[j - 1]; // ... difference from previous value + } + } + privateDict.setByName(field, value); + } + cff.topDict.privateDict = privateDict; + + var subrIndex = new CFFIndex(); + for (i = 0, ii = subrs.length; i < ii; i++) { + subrIndex.add(subrs[i]); + } + privateDict.subrsIndex = subrIndex; + + var compiler = new CFFCompiler(cff); + return compiler.compile(); + } +}; + +var CFFFont = (function CFFFontClosure() { + function CFFFont(file, properties) { + this.properties = properties; + + var parser = new CFFParser(file, properties); + this.cff = parser.parse(); + var compiler = new CFFCompiler(this.cff); + this.seacs = this.cff.seacs; + try { + this.data = compiler.compile(); + } catch (e) { + warn('Failed to compile font ' + properties.loadedName); + // There may have just been an issue with the compiler, set the data + // anyway and hope the font loaded. + this.data = file; + } + } + + CFFFont.prototype = { + get numGlyphs() { + return this.cff.charStrings.count; + }, + getCharset: function CFFFont_getCharset() { + return this.cff.charset.charset; + }, + getGlyphMapping: function CFFFont_getGlyphMapping() { + var cff = this.cff; + var properties = this.properties; + var charsets = cff.charset.charset; + var charCodeToGlyphId; + var glyphId; + + if (properties.composite) { + charCodeToGlyphId = Object.create(null); + if (cff.isCIDFont) { + // If the font is actually a CID font then we should use the charset + // to map CIDs to GIDs. + for (glyphId = 0; glyphId < charsets.length; glyphId++) { + var cid = charsets[glyphId]; + var charCode = properties.cMap.charCodeOf(cid); + charCodeToGlyphId[charCode] = glyphId; + } + } else { + // If it is NOT actually a CID font then CIDs should be mapped + // directly to GIDs. + for (glyphId = 0; glyphId < cff.charStrings.count; glyphId++) { + charCodeToGlyphId[glyphId] = glyphId; + } + } + return charCodeToGlyphId; + } + + var encoding = cff.encoding ? cff.encoding.encoding : null; + charCodeToGlyphId = type1FontGlyphMapping(properties, encoding, charsets); + return charCodeToGlyphId; + } + }; + + return CFFFont; +})(); + +var CFFParser = (function CFFParserClosure() { + var CharstringValidationData = [ + null, + { id: 'hstem', min: 2, stackClearing: true, stem: true }, + null, + { id: 'vstem', min: 2, stackClearing: true, stem: true }, + { id: 'vmoveto', min: 1, stackClearing: true }, + { id: 'rlineto', min: 2, resetStack: true }, + { id: 'hlineto', min: 1, resetStack: true }, + { id: 'vlineto', min: 1, resetStack: true }, + { id: 'rrcurveto', min: 6, resetStack: true }, + null, + { id: 'callsubr', min: 1, undefStack: true }, + { id: 'return', min: 0, undefStack: true }, + null, // 12 + null, + { id: 'endchar', min: 0, stackClearing: true }, + null, + null, + null, + { id: 'hstemhm', min: 2, stackClearing: true, stem: true }, + { id: 'hintmask', min: 0, stackClearing: true }, + { id: 'cntrmask', min: 0, stackClearing: true }, + { id: 'rmoveto', min: 2, stackClearing: true }, + { id: 'hmoveto', min: 1, stackClearing: true }, + { id: 'vstemhm', min: 2, stackClearing: true, stem: true }, + { id: 'rcurveline', min: 8, resetStack: true }, + { id: 'rlinecurve', min: 8, resetStack: true }, + { id: 'vvcurveto', min: 4, resetStack: true }, + { id: 'hhcurveto', min: 4, resetStack: true }, + null, // shortint + { id: 'callgsubr', min: 1, undefStack: true }, + { id: 'vhcurveto', min: 4, resetStack: true }, + { id: 'hvcurveto', min: 4, resetStack: true } + ]; + var CharstringValidationData12 = [ + null, + null, + null, + { id: 'and', min: 2, stackDelta: -1 }, + { id: 'or', min: 2, stackDelta: -1 }, + { id: 'not', min: 1, stackDelta: 0 }, + null, + null, + null, + { id: 'abs', min: 1, stackDelta: 0 }, + { id: 'add', min: 2, stackDelta: -1, + stackFn: function stack_div(stack, index) { + stack[index - 2] = stack[index - 2] + stack[index - 1]; + } + }, + { id: 'sub', min: 2, stackDelta: -1, + stackFn: function stack_div(stack, index) { + stack[index - 2] = stack[index - 2] - stack[index - 1]; + } + }, + { id: 'div', min: 2, stackDelta: -1, + stackFn: function stack_div(stack, index) { + stack[index - 2] = stack[index - 2] / stack[index - 1]; + } + }, + null, + { id: 'neg', min: 1, stackDelta: 0, + stackFn: function stack_div(stack, index) { + stack[index - 1] = -stack[index - 1]; + } + }, + { id: 'eq', min: 2, stackDelta: -1 }, + null, + null, + { id: 'drop', min: 1, stackDelta: -1 }, + null, + { id: 'put', min: 2, stackDelta: -2 }, + { id: 'get', min: 1, stackDelta: 0 }, + { id: 'ifelse', min: 4, stackDelta: -3 }, + { id: 'random', min: 0, stackDelta: 1 }, + { id: 'mul', min: 2, stackDelta: -1, + stackFn: function stack_div(stack, index) { + stack[index - 2] = stack[index - 2] * stack[index - 1]; + } + }, + null, + { id: 'sqrt', min: 1, stackDelta: 0 }, + { id: 'dup', min: 1, stackDelta: 1 }, + { id: 'exch', min: 2, stackDelta: 0 }, + { id: 'index', min: 2, stackDelta: 0 }, + { id: 'roll', min: 3, stackDelta: -2 }, + null, + null, + null, + { id: 'hflex', min: 7, resetStack: true }, + { id: 'flex', min: 13, resetStack: true }, + { id: 'hflex1', min: 9, resetStack: true }, + { id: 'flex1', min: 11, resetStack: true } + ]; + + function CFFParser(file, properties) { + this.bytes = file.getBytes(); + this.properties = properties; + } + CFFParser.prototype = { + parse: function CFFParser_parse() { + var properties = this.properties; + var cff = new CFF(); + this.cff = cff; + + // The first five sections must be in order, all the others are reached + // via offsets contained in one of the below. + var header = this.parseHeader(); + var nameIndex = this.parseIndex(header.endPos); + var topDictIndex = this.parseIndex(nameIndex.endPos); + var stringIndex = this.parseIndex(topDictIndex.endPos); + var globalSubrIndex = this.parseIndex(stringIndex.endPos); + + var topDictParsed = this.parseDict(topDictIndex.obj.get(0)); + var topDict = this.createDict(CFFTopDict, topDictParsed, cff.strings); + + cff.header = header.obj; + cff.names = this.parseNameIndex(nameIndex.obj); + cff.strings = this.parseStringIndex(stringIndex.obj); + cff.topDict = topDict; + cff.globalSubrIndex = globalSubrIndex.obj; + + this.parsePrivateDict(cff.topDict); + + cff.isCIDFont = topDict.hasName('ROS'); + + var charStringOffset = topDict.getByName('CharStrings'); + var charStringsAndSeacs = this.parseCharStrings(charStringOffset); + cff.charStrings = charStringsAndSeacs.charStrings; + cff.seacs = charStringsAndSeacs.seacs; + cff.widths = charStringsAndSeacs.widths; + + var fontMatrix = topDict.getByName('FontMatrix'); + if (fontMatrix) { + properties.fontMatrix = fontMatrix; + } + + var fontBBox = topDict.getByName('FontBBox'); + if (fontBBox) { + // adjusting ascent/descent + properties.ascent = fontBBox[3]; + properties.descent = fontBBox[1]; + properties.ascentScaled = true; + } + + var charset, encoding; + if (cff.isCIDFont) { + var fdArrayIndex = this.parseIndex(topDict.getByName('FDArray')).obj; + for (var i = 0, ii = fdArrayIndex.count; i < ii; ++i) { + var dictRaw = fdArrayIndex.get(i); + var fontDict = this.createDict(CFFTopDict, this.parseDict(dictRaw), + cff.strings); + this.parsePrivateDict(fontDict); + cff.fdArray.push(fontDict); + } + // cid fonts don't have an encoding + encoding = null; + charset = this.parseCharsets(topDict.getByName('charset'), + cff.charStrings.count, cff.strings, true); + cff.fdSelect = this.parseFDSelect(topDict.getByName('FDSelect'), + cff.charStrings.count); + } else { + charset = this.parseCharsets(topDict.getByName('charset'), + cff.charStrings.count, cff.strings, false); + encoding = this.parseEncoding(topDict.getByName('Encoding'), + properties, + cff.strings, charset.charset); + } + cff.charset = charset; + cff.encoding = encoding; + + return cff; + }, + parseHeader: function CFFParser_parseHeader() { + var bytes = this.bytes; + var bytesLength = bytes.length; + var offset = 0; + + // Prevent an infinite loop, by checking that the offset is within the + // bounds of the bytes array. Necessary in empty, or invalid, font files. + while (offset < bytesLength && bytes[offset] !== 1) { + ++offset; + } + if (offset >= bytesLength) { + error('Invalid CFF header'); + } else if (offset !== 0) { + info('cff data is shifted'); + bytes = bytes.subarray(offset); + this.bytes = bytes; + } + var major = bytes[0]; + var minor = bytes[1]; + var hdrSize = bytes[2]; + var offSize = bytes[3]; + var header = new CFFHeader(major, minor, hdrSize, offSize); + return { obj: header, endPos: hdrSize }; + }, + parseDict: function CFFParser_parseDict(dict) { + var pos = 0; + + function parseOperand() { + var value = dict[pos++]; + if (value === 30) { + return parseFloatOperand(pos); + } else if (value === 28) { + value = dict[pos++]; + value = ((value << 24) | (dict[pos++] << 16)) >> 16; + return value; + } else if (value === 29) { + value = dict[pos++]; + value = (value << 8) | dict[pos++]; + value = (value << 8) | dict[pos++]; + value = (value << 8) | dict[pos++]; + return value; + } else if (value >= 32 && value <= 246) { + return value - 139; + } else if (value >= 247 && value <= 250) { + return ((value - 247) * 256) + dict[pos++] + 108; + } else if (value >= 251 && value <= 254) { + return -((value - 251) * 256) - dict[pos++] - 108; + } else { + error('255 is not a valid DICT command'); + } + return -1; + } + + function parseFloatOperand() { + var str = ''; + var eof = 15; + var lookup = ['0', '1', '2', '3', '4', '5', '6', '7', '8', + '9', '.', 'E', 'E-', null, '-']; + var length = dict.length; + while (pos < length) { + var b = dict[pos++]; + var b1 = b >> 4; + var b2 = b & 15; + + if (b1 === eof) { + break; + } + str += lookup[b1]; + + if (b2 === eof) { + break; + } + str += lookup[b2]; + } + return parseFloat(str); + } + + var operands = []; + var entries = []; + + pos = 0; + var end = dict.length; + while (pos < end) { + var b = dict[pos]; + if (b <= 21) { + if (b === 12) { + b = (b << 8) | dict[++pos]; + } + entries.push([b, operands]); + operands = []; + ++pos; + } else { + operands.push(parseOperand()); + } + } + return entries; + }, + parseIndex: function CFFParser_parseIndex(pos) { + var cffIndex = new CFFIndex(); + var bytes = this.bytes; + var count = (bytes[pos++] << 8) | bytes[pos++]; + var offsets = []; + var end = pos; + var i, ii; + + if (count !== 0) { + var offsetSize = bytes[pos++]; + // add 1 for offset to determine size of last object + var startPos = pos + ((count + 1) * offsetSize) - 1; + + for (i = 0, ii = count + 1; i < ii; ++i) { + var offset = 0; + for (var j = 0; j < offsetSize; ++j) { + offset <<= 8; + offset += bytes[pos++]; + } + offsets.push(startPos + offset); + } + end = offsets[count]; + } + for (i = 0, ii = offsets.length - 1; i < ii; ++i) { + var offsetStart = offsets[i]; + var offsetEnd = offsets[i + 1]; + cffIndex.add(bytes.subarray(offsetStart, offsetEnd)); + } + return {obj: cffIndex, endPos: end}; + }, + parseNameIndex: function CFFParser_parseNameIndex(index) { + var names = []; + for (var i = 0, ii = index.count; i < ii; ++i) { + var name = index.get(i); + // OTS doesn't allow names to be over 127 characters. + var length = Math.min(name.length, 127); + var data = []; + // OTS also only permits certain characters in the name. + for (var j = 0; j < length; ++j) { + var c = name[j]; + if (j === 0 && c === 0) { + data[j] = c; + continue; + } + if ((c < 33 || c > 126) || c === 91 /* [ */ || c === 93 /* ] */ || + c === 40 /* ( */ || c === 41 /* ) */ || c === 123 /* { */ || + c === 125 /* } */ || c === 60 /* < */ || c === 62 /* > */ || + c === 47 /* / */ || c === 37 /* % */ || c === 35 /* # */) { + data[j] = 95; + continue; + } + data[j] = c; + } + names.push(bytesToString(data)); + } + return names; + }, + parseStringIndex: function CFFParser_parseStringIndex(index) { + var strings = new CFFStrings(); + for (var i = 0, ii = index.count; i < ii; ++i) { + var data = index.get(i); + strings.add(bytesToString(data)); + } + return strings; + }, + createDict: function CFFParser_createDict(Type, dict, strings) { + var cffDict = new Type(strings); + for (var i = 0, ii = dict.length; i < ii; ++i) { + var pair = dict[i]; + var key = pair[0]; + var value = pair[1]; + cffDict.setByKey(key, value); + } + return cffDict; + }, + parseCharStrings: function CFFParser_parseCharStrings(charStringOffset) { + var charStrings = this.parseIndex(charStringOffset).obj; + var seacs = []; + var widths = []; + var count = charStrings.count; + for (var i = 0; i < count; i++) { + var charstring = charStrings.get(i); + + var stackSize = 0; + var stack = []; + var undefStack = true; + var hints = 0; + var valid = true; + var data = charstring; + var length = data.length; + var firstStackClearing = true; + for (var j = 0; j < length;) { + var value = data[j++]; + var validationCommand = null; + if (value === 12) { + var q = data[j++]; + if (q === 0) { + // The CFF specification state that the 'dotsection' command + // (12, 0) is deprecated and treated as a no-op, but all Type2 + // charstrings processors should support them. Unfortunately + // the font sanitizer don't. As a workaround the sequence (12, 0) + // is replaced by a useless (0, hmoveto). + data[j - 2] = 139; + data[j - 1] = 22; + stackSize = 0; + } else { + validationCommand = CharstringValidationData12[q]; + } + } else if (value === 28) { // number (16 bit) + stack[stackSize] = ((data[j] << 24) | (data[j + 1] << 16)) >> 16; + j += 2; + stackSize++; + } else if (value === 14) { + if (stackSize >= 4) { + stackSize -= 4; + if (SEAC_ANALYSIS_ENABLED) { + seacs[i] = stack.slice(stackSize, stackSize + 4); + valid = false; + } + } + validationCommand = CharstringValidationData[value]; + } else if (value >= 32 && value <= 246) { // number + stack[stackSize] = value - 139; + stackSize++; + } else if (value >= 247 && value <= 254) { // number (+1 bytes) + stack[stackSize] = (value < 251 ? + ((value - 247) << 8) + data[j] + 108 : + -((value - 251) << 8) - data[j] - 108); + j++; + stackSize++; + } else if (value === 255) { // number (32 bit) + stack[stackSize] = ((data[j] << 24) | (data[j + 1] << 16) | + (data[j + 2] << 8) | data[j + 3]) / 65536; + j += 4; + stackSize++; + } else if (value === 19 || value === 20) { + hints += stackSize >> 1; + j += (hints + 7) >> 3; // skipping right amount of hints flag data + stackSize %= 2; + validationCommand = CharstringValidationData[value]; + } else { + validationCommand = CharstringValidationData[value]; + } + if (validationCommand) { + if (validationCommand.stem) { + hints += stackSize >> 1; + } + if ('min' in validationCommand) { + if (!undefStack && stackSize < validationCommand.min) { + warn('Not enough parameters for ' + validationCommand.id + + '; actual: ' + stackSize + + ', expected: ' + validationCommand.min); + valid = false; + break; + } + } + if (firstStackClearing && validationCommand.stackClearing) { + firstStackClearing = false; + // the optional character width can be found before the first + // stack-clearing command arguments + stackSize -= validationCommand.min; + if (stackSize >= 2 && validationCommand.stem) { + // there are even amount of arguments for stem commands + stackSize %= 2; + } else if (stackSize > 1) { + warn('Found too many parameters for stack-clearing command'); + } + if (stackSize > 0 && stack[stackSize - 1] >= 0) { + widths[i] = stack[stackSize - 1]; + } + } + if ('stackDelta' in validationCommand) { + if ('stackFn' in validationCommand) { + validationCommand.stackFn(stack, stackSize); + } + stackSize += validationCommand.stackDelta; + } else if (validationCommand.stackClearing) { + stackSize = 0; + } else if (validationCommand.resetStack) { + stackSize = 0; + undefStack = false; + } else if (validationCommand.undefStack) { + stackSize = 0; + undefStack = true; + firstStackClearing = false; + } + } + } + if (!valid) { + // resetting invalid charstring to single 'endchar' + charStrings.set(i, new Uint8Array([14])); + } + } + return { charStrings: charStrings, seacs: seacs, widths: widths }; + }, + emptyPrivateDictionary: + function CFFParser_emptyPrivateDictionary(parentDict) { + var privateDict = this.createDict(CFFPrivateDict, [], + parentDict.strings); + parentDict.setByKey(18, [0, 0]); + parentDict.privateDict = privateDict; + }, + parsePrivateDict: function CFFParser_parsePrivateDict(parentDict) { + // no private dict, do nothing + if (!parentDict.hasName('Private')) { + this.emptyPrivateDictionary(parentDict); + return; + } + var privateOffset = parentDict.getByName('Private'); + // make sure the params are formatted correctly + if (!isArray(privateOffset) || privateOffset.length !== 2) { + parentDict.removeByName('Private'); + return; + } + var size = privateOffset[0]; + var offset = privateOffset[1]; + // remove empty dicts or ones that refer to invalid location + if (size === 0 || offset >= this.bytes.length) { + this.emptyPrivateDictionary(parentDict); + return; + } + + var privateDictEnd = offset + size; + var dictData = this.bytes.subarray(offset, privateDictEnd); + var dict = this.parseDict(dictData); + var privateDict = this.createDict(CFFPrivateDict, dict, + parentDict.strings); + parentDict.privateDict = privateDict; + + // Parse the Subrs index also since it's relative to the private dict. + if (!privateDict.getByName('Subrs')) { + return; + } + var subrsOffset = privateDict.getByName('Subrs'); + var relativeOffset = offset + subrsOffset; + // Validate the offset. + if (subrsOffset === 0 || relativeOffset >= this.bytes.length) { + this.emptyPrivateDictionary(parentDict); + return; + } + var subrsIndex = this.parseIndex(relativeOffset); + privateDict.subrsIndex = subrsIndex.obj; + }, + parseCharsets: function CFFParser_parseCharsets(pos, length, strings, cid) { + if (pos === 0) { + return new CFFCharset(true, CFFCharsetPredefinedTypes.ISO_ADOBE, + ISOAdobeCharset); + } else if (pos === 1) { + return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT, + ExpertCharset); + } else if (pos === 2) { + return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT_SUBSET, + ExpertSubsetCharset); + } + + var bytes = this.bytes; + var start = pos; + var format = bytes[pos++]; + var charset = ['.notdef']; + var id, count, i; + + // subtract 1 for the .notdef glyph + length -= 1; + + switch (format) { + case 0: + for (i = 0; i < length; i++) { + id = (bytes[pos++] << 8) | bytes[pos++]; + charset.push(cid ? id : strings.get(id)); + } + break; + case 1: + while (charset.length <= length) { + id = (bytes[pos++] << 8) | bytes[pos++]; + count = bytes[pos++]; + for (i = 0; i <= count; i++) { + charset.push(cid ? id++ : strings.get(id++)); + } + } + break; + case 2: + while (charset.length <= length) { + id = (bytes[pos++] << 8) | bytes[pos++]; + count = (bytes[pos++] << 8) | bytes[pos++]; + for (i = 0; i <= count; i++) { + charset.push(cid ? id++ : strings.get(id++)); + } + } + break; + default: + error('Unknown charset format'); + } + // Raw won't be needed if we actually compile the charset. + var end = pos; + var raw = bytes.subarray(start, end); + + return new CFFCharset(false, format, charset, raw); + }, + parseEncoding: function CFFParser_parseEncoding(pos, + properties, + strings, + charset) { + var encoding = {}; + var bytes = this.bytes; + var predefined = false; + var hasSupplement = false; + var format, i, ii; + var raw = null; + + function readSupplement() { + var supplementsCount = bytes[pos++]; + for (i = 0; i < supplementsCount; i++) { + var code = bytes[pos++]; + var sid = (bytes[pos++] << 8) + (bytes[pos++] & 0xff); + encoding[code] = charset.indexOf(strings.get(sid)); + } + } + + if (pos === 0 || pos === 1) { + predefined = true; + format = pos; + var baseEncoding = pos ? Encodings.ExpertEncoding : + Encodings.StandardEncoding; + for (i = 0, ii = charset.length; i < ii; i++) { + var index = baseEncoding.indexOf(charset[i]); + if (index !== -1) { + encoding[index] = i; + } + } + } else { + var dataStart = pos; + format = bytes[pos++]; + switch (format & 0x7f) { + case 0: + var glyphsCount = bytes[pos++]; + for (i = 1; i <= glyphsCount; i++) { + encoding[bytes[pos++]] = i; + } + break; + + case 1: + var rangesCount = bytes[pos++]; + var gid = 1; + for (i = 0; i < rangesCount; i++) { + var start = bytes[pos++]; + var left = bytes[pos++]; + for (var j = start; j <= start + left; j++) { + encoding[j] = gid++; + } + } + break; + + default: + error('Unknow encoding format: ' + format + ' in CFF'); + break; + } + var dataEnd = pos; + if (format & 0x80) { + // The font sanitizer does not support CFF encoding with a + // supplement, since the encoding is not really used to map + // between gid to glyph, let's overwrite what is declared in + // the top dictionary to let the sanitizer think the font use + // StandardEncoding, that's a lie but that's ok. + bytes[dataStart] &= 0x7f; + readSupplement(); + hasSupplement = true; + } + raw = bytes.subarray(dataStart, dataEnd); + } + format = format & 0x7f; + return new CFFEncoding(predefined, format, encoding, raw); + }, + parseFDSelect: function CFFParser_parseFDSelect(pos, length) { + var start = pos; + var bytes = this.bytes; + var format = bytes[pos++]; + var fdSelect = []; + var i; + + switch (format) { + case 0: + for (i = 0; i < length; ++i) { + var id = bytes[pos++]; + fdSelect.push(id); + } + break; + case 3: + var rangesCount = (bytes[pos++] << 8) | bytes[pos++]; + for (i = 0; i < rangesCount; ++i) { + var first = (bytes[pos++] << 8) | bytes[pos++]; + var fdIndex = bytes[pos++]; + var next = (bytes[pos] << 8) | bytes[pos + 1]; + for (var j = first; j < next; ++j) { + fdSelect.push(fdIndex); + } + } + // Advance past the sentinel(next). + pos += 2; + break; + default: + error('Unknown fdselect format ' + format); + break; + } + var end = pos; + return new CFFFDSelect(fdSelect, bytes.subarray(start, end)); + } + }; + return CFFParser; +})(); + +// Compact Font Format +var CFF = (function CFFClosure() { + function CFF() { + this.header = null; + this.names = []; + this.topDict = null; + this.strings = new CFFStrings(); + this.globalSubrIndex = null; + + // The following could really be per font, but since we only have one font + // store them here. + this.encoding = null; + this.charset = null; + this.charStrings = null; + this.fdArray = []; + this.fdSelect = null; + + this.isCIDFont = false; + } + return CFF; +})(); + +var CFFHeader = (function CFFHeaderClosure() { + function CFFHeader(major, minor, hdrSize, offSize) { + this.major = major; + this.minor = minor; + this.hdrSize = hdrSize; + this.offSize = offSize; + } + return CFFHeader; +})(); + +var CFFStrings = (function CFFStringsClosure() { + function CFFStrings() { + this.strings = []; + } + CFFStrings.prototype = { + get: function CFFStrings_get(index) { + if (index >= 0 && index <= 390) { + return CFFStandardStrings[index]; + } + if (index - 391 <= this.strings.length) { + return this.strings[index - 391]; + } + return CFFStandardStrings[0]; + }, + add: function CFFStrings_add(value) { + this.strings.push(value); + }, + get count() { + return this.strings.length; + } + }; + return CFFStrings; +})(); + +var CFFIndex = (function CFFIndexClosure() { + function CFFIndex() { + this.objects = []; + this.length = 0; + } + CFFIndex.prototype = { + add: function CFFIndex_add(data) { + this.length += data.length; + this.objects.push(data); + }, + set: function CFFIndex_set(index, data) { + this.length += data.length - this.objects[index].length; + this.objects[index] = data; + }, + get: function CFFIndex_get(index) { + return this.objects[index]; + }, + get count() { + return this.objects.length; + } + }; + return CFFIndex; +})(); + +var CFFDict = (function CFFDictClosure() { + function CFFDict(tables, strings) { + this.keyToNameMap = tables.keyToNameMap; + this.nameToKeyMap = tables.nameToKeyMap; + this.defaults = tables.defaults; + this.types = tables.types; + this.opcodes = tables.opcodes; + this.order = tables.order; + this.strings = strings; + this.values = {}; + } + CFFDict.prototype = { + // value should always be an array + setByKey: function CFFDict_setByKey(key, value) { + if (!(key in this.keyToNameMap)) { + return false; + } + // ignore empty values + if (value.length === 0) { + return true; + } + var type = this.types[key]; + // remove the array wrapping these types of values + if (type === 'num' || type === 'sid' || type === 'offset') { + value = value[0]; + } + this.values[key] = value; + return true; + }, + setByName: function CFFDict_setByName(name, value) { + if (!(name in this.nameToKeyMap)) { + error('Invalid dictionary name "' + name + '"'); + } + this.values[this.nameToKeyMap[name]] = value; + }, + hasName: function CFFDict_hasName(name) { + return this.nameToKeyMap[name] in this.values; + }, + getByName: function CFFDict_getByName(name) { + if (!(name in this.nameToKeyMap)) { + error('Invalid dictionary name "' + name + '"'); + } + var key = this.nameToKeyMap[name]; + if (!(key in this.values)) { + return this.defaults[key]; + } + return this.values[key]; + }, + removeByName: function CFFDict_removeByName(name) { + delete this.values[this.nameToKeyMap[name]]; + } + }; + CFFDict.createTables = function CFFDict_createTables(layout) { + var tables = { + keyToNameMap: {}, + nameToKeyMap: {}, + defaults: {}, + types: {}, + opcodes: {}, + order: [] + }; + for (var i = 0, ii = layout.length; i < ii; ++i) { + var entry = layout[i]; + var key = isArray(entry[0]) ? (entry[0][0] << 8) + entry[0][1] : entry[0]; + tables.keyToNameMap[key] = entry[1]; + tables.nameToKeyMap[entry[1]] = key; + tables.types[key] = entry[2]; + tables.defaults[key] = entry[3]; + tables.opcodes[key] = isArray(entry[0]) ? entry[0] : [entry[0]]; + tables.order.push(key); + } + return tables; + }; + return CFFDict; +})(); + +var CFFTopDict = (function CFFTopDictClosure() { + var layout = [ + [[12, 30], 'ROS', ['sid', 'sid', 'num'], null], + [[12, 20], 'SyntheticBase', 'num', null], + [0, 'version', 'sid', null], + [1, 'Notice', 'sid', null], + [[12, 0], 'Copyright', 'sid', null], + [2, 'FullName', 'sid', null], + [3, 'FamilyName', 'sid', null], + [4, 'Weight', 'sid', null], + [[12, 1], 'isFixedPitch', 'num', 0], + [[12, 2], 'ItalicAngle', 'num', 0], + [[12, 3], 'UnderlinePosition', 'num', -100], + [[12, 4], 'UnderlineThickness', 'num', 50], + [[12, 5], 'PaintType', 'num', 0], + [[12, 6], 'CharstringType', 'num', 2], + [[12, 7], 'FontMatrix', ['num', 'num', 'num', 'num', 'num', 'num'], + [0.001, 0, 0, 0.001, 0, 0]], + [13, 'UniqueID', 'num', null], + [5, 'FontBBox', ['num', 'num', 'num', 'num'], [0, 0, 0, 0]], + [[12, 8], 'StrokeWidth', 'num', 0], + [14, 'XUID', 'array', null], + [15, 'charset', 'offset', 0], + [16, 'Encoding', 'offset', 0], + [17, 'CharStrings', 'offset', 0], + [18, 'Private', ['offset', 'offset'], null], + [[12, 21], 'PostScript', 'sid', null], + [[12, 22], 'BaseFontName', 'sid', null], + [[12, 23], 'BaseFontBlend', 'delta', null], + [[12, 31], 'CIDFontVersion', 'num', 0], + [[12, 32], 'CIDFontRevision', 'num', 0], + [[12, 33], 'CIDFontType', 'num', 0], + [[12, 34], 'CIDCount', 'num', 8720], + [[12, 35], 'UIDBase', 'num', null], + // XXX: CID Fonts on DirectWrite 6.1 only seem to work if FDSelect comes + // before FDArray. + [[12, 37], 'FDSelect', 'offset', null], + [[12, 36], 'FDArray', 'offset', null], + [[12, 38], 'FontName', 'sid', null] + ]; + var tables = null; + function CFFTopDict(strings) { + if (tables === null) { + tables = CFFDict.createTables(layout); + } + CFFDict.call(this, tables, strings); + this.privateDict = null; + } + CFFTopDict.prototype = Object.create(CFFDict.prototype); + return CFFTopDict; +})(); + +var CFFPrivateDict = (function CFFPrivateDictClosure() { + var layout = [ + [6, 'BlueValues', 'delta', null], + [7, 'OtherBlues', 'delta', null], + [8, 'FamilyBlues', 'delta', null], + [9, 'FamilyOtherBlues', 'delta', null], + [[12, 9], 'BlueScale', 'num', 0.039625], + [[12, 10], 'BlueShift', 'num', 7], + [[12, 11], 'BlueFuzz', 'num', 1], + [10, 'StdHW', 'num', null], + [11, 'StdVW', 'num', null], + [[12, 12], 'StemSnapH', 'delta', null], + [[12, 13], 'StemSnapV', 'delta', null], + [[12, 14], 'ForceBold', 'num', 0], + [[12, 17], 'LanguageGroup', 'num', 0], + [[12, 18], 'ExpansionFactor', 'num', 0.06], + [[12, 19], 'initialRandomSeed', 'num', 0], + [20, 'defaultWidthX', 'num', 0], + [21, 'nominalWidthX', 'num', 0], + [19, 'Subrs', 'offset', null] + ]; + var tables = null; + function CFFPrivateDict(strings) { + if (tables === null) { + tables = CFFDict.createTables(layout); + } + CFFDict.call(this, tables, strings); + this.subrsIndex = null; + } + CFFPrivateDict.prototype = Object.create(CFFDict.prototype); + return CFFPrivateDict; +})(); + +var CFFCharsetPredefinedTypes = { + ISO_ADOBE: 0, + EXPERT: 1, + EXPERT_SUBSET: 2 +}; +var CFFCharset = (function CFFCharsetClosure() { + function CFFCharset(predefined, format, charset, raw) { + this.predefined = predefined; + this.format = format; + this.charset = charset; + this.raw = raw; + } + return CFFCharset; +})(); + +var CFFEncoding = (function CFFEncodingClosure() { + function CFFEncoding(predefined, format, encoding, raw) { + this.predefined = predefined; + this.format = format; + this.encoding = encoding; + this.raw = raw; + } + return CFFEncoding; +})(); + +var CFFFDSelect = (function CFFFDSelectClosure() { + function CFFFDSelect(fdSelect, raw) { + this.fdSelect = fdSelect; + this.raw = raw; + } + return CFFFDSelect; +})(); + +// Helper class to keep track of where an offset is within the data and helps +// filling in that offset once it's known. +var CFFOffsetTracker = (function CFFOffsetTrackerClosure() { + function CFFOffsetTracker() { + this.offsets = {}; + } + CFFOffsetTracker.prototype = { + isTracking: function CFFOffsetTracker_isTracking(key) { + return key in this.offsets; + }, + track: function CFFOffsetTracker_track(key, location) { + if (key in this.offsets) { + error('Already tracking location of ' + key); + } + this.offsets[key] = location; + }, + offset: function CFFOffsetTracker_offset(value) { + for (var key in this.offsets) { + this.offsets[key] += value; + } + }, + setEntryLocation: function CFFOffsetTracker_setEntryLocation(key, + values, + output) { + if (!(key in this.offsets)) { + error('Not tracking location of ' + key); + } + var data = output.data; + var dataOffset = this.offsets[key]; + var size = 5; + for (var i = 0, ii = values.length; i < ii; ++i) { + var offset0 = i * size + dataOffset; + var offset1 = offset0 + 1; + var offset2 = offset0 + 2; + var offset3 = offset0 + 3; + var offset4 = offset0 + 4; + // It's easy to screw up offsets so perform this sanity check. + if (data[offset0] !== 0x1d || data[offset1] !== 0 || + data[offset2] !== 0 || data[offset3] !== 0 || data[offset4] !== 0) { + error('writing to an offset that is not empty'); + } + var value = values[i]; + data[offset0] = 0x1d; + data[offset1] = (value >> 24) & 0xFF; + data[offset2] = (value >> 16) & 0xFF; + data[offset3] = (value >> 8) & 0xFF; + data[offset4] = value & 0xFF; + } + } + }; + return CFFOffsetTracker; +})(); + +// Takes a CFF and converts it to the binary representation. +var CFFCompiler = (function CFFCompilerClosure() { + function CFFCompiler(cff) { + this.cff = cff; + } + CFFCompiler.prototype = { + compile: function CFFCompiler_compile() { + var cff = this.cff; + var output = { + data: [], + length: 0, + add: function CFFCompiler_add(data) { + this.data = this.data.concat(data); + this.length = this.data.length; + } + }; + + // Compile the five entries that must be in order. + var header = this.compileHeader(cff.header); + output.add(header); + + var nameIndex = this.compileNameIndex(cff.names); + output.add(nameIndex); + + if (cff.isCIDFont) { + // The spec is unclear on how font matrices should relate to each other + // when there is one in the main top dict and the sub top dicts. + // Windows handles this differently than linux and osx so we have to + // normalize to work on all. + // Rules based off of some mailing list discussions: + // - If main font has a matrix and subfont doesn't, use the main matrix. + // - If no main font matrix and there is a subfont matrix, use the + // subfont matrix. + // - If both have matrices, concat together. + // - If neither have matrices, use default. + // To make this work on all platforms we move the top matrix into each + // sub top dict and concat if necessary. + if (cff.topDict.hasName('FontMatrix')) { + var base = cff.topDict.getByName('FontMatrix'); + cff.topDict.removeByName('FontMatrix'); + for (var i = 0, ii = cff.fdArray.length; i < ii; i++) { + var subDict = cff.fdArray[i]; + var matrix = base.slice(0); + if (subDict.hasName('FontMatrix')) { + matrix = Util.transform(matrix, subDict.getByName('FontMatrix')); + } + subDict.setByName('FontMatrix', matrix); + } + } + } + + var compiled = this.compileTopDicts([cff.topDict], + output.length, + cff.isCIDFont); + output.add(compiled.output); + var topDictTracker = compiled.trackers[0]; + + var stringIndex = this.compileStringIndex(cff.strings.strings); + output.add(stringIndex); + + var globalSubrIndex = this.compileIndex(cff.globalSubrIndex); + output.add(globalSubrIndex); + + // Now start on the other entries that have no specfic order. + if (cff.encoding && cff.topDict.hasName('Encoding')) { + if (cff.encoding.predefined) { + topDictTracker.setEntryLocation('Encoding', [cff.encoding.format], + output); + } else { + var encoding = this.compileEncoding(cff.encoding); + topDictTracker.setEntryLocation('Encoding', [output.length], output); + output.add(encoding); + } + } + + if (cff.charset && cff.topDict.hasName('charset')) { + if (cff.charset.predefined) { + topDictTracker.setEntryLocation('charset', [cff.charset.format], + output); + } else { + var charset = this.compileCharset(cff.charset); + topDictTracker.setEntryLocation('charset', [output.length], output); + output.add(charset); + } + } + + var charStrings = this.compileCharStrings(cff.charStrings); + topDictTracker.setEntryLocation('CharStrings', [output.length], output); + output.add(charStrings); + + if (cff.isCIDFont) { + // For some reason FDSelect must be in front of FDArray on windows. OSX + // and linux don't seem to care. + topDictTracker.setEntryLocation('FDSelect', [output.length], output); + var fdSelect = this.compileFDSelect(cff.fdSelect.raw); + output.add(fdSelect); + // It is unclear if the sub font dictionary can have CID related + // dictionary keys, but the sanitizer doesn't like them so remove them. + compiled = this.compileTopDicts(cff.fdArray, output.length, true); + topDictTracker.setEntryLocation('FDArray', [output.length], output); + output.add(compiled.output); + var fontDictTrackers = compiled.trackers; + + this.compilePrivateDicts(cff.fdArray, fontDictTrackers, output); + } + + this.compilePrivateDicts([cff.topDict], [topDictTracker], output); + + // If the font data ends with INDEX whose object data is zero-length, + // the sanitizer will bail out. Add a dummy byte to avoid that. + output.add([0]); + + return output.data; + }, + encodeNumber: function CFFCompiler_encodeNumber(value) { + if (parseFloat(value) === parseInt(value, 10) && !isNaN(value)) { // isInt + return this.encodeInteger(value); + } else { + return this.encodeFloat(value); + } + }, + encodeFloat: function CFFCompiler_encodeFloat(num) { + var value = num.toString(); + + // rounding inaccurate doubles + var m = /\.(\d*?)(?:9{5,20}|0{5,20})\d{0,2}(?:e(.+)|$)/.exec(value); + if (m) { + var epsilon = parseFloat('1e' + ((m[2] ? +m[2] : 0) + m[1].length)); + value = (Math.round(num * epsilon) / epsilon).toString(); + } + + var nibbles = ''; + var i, ii; + for (i = 0, ii = value.length; i < ii; ++i) { + var a = value[i]; + if (a === 'e') { + nibbles += value[++i] === '-' ? 'c' : 'b'; + } else if (a === '.') { + nibbles += 'a'; + } else if (a === '-') { + nibbles += 'e'; + } else { + nibbles += a; + } + } + nibbles += (nibbles.length & 1) ? 'f' : 'ff'; + var out = [30]; + for (i = 0, ii = nibbles.length; i < ii; i += 2) { + out.push(parseInt(nibbles.substr(i, 2), 16)); + } + return out; + }, + encodeInteger: function CFFCompiler_encodeInteger(value) { + var code; + if (value >= -107 && value <= 107) { + code = [value + 139]; + } else if (value >= 108 && value <= 1131) { + value = [value - 108]; + code = [(value >> 8) + 247, value & 0xFF]; + } else if (value >= -1131 && value <= -108) { + value = -value - 108; + code = [(value >> 8) + 251, value & 0xFF]; + } else if (value >= -32768 && value <= 32767) { + code = [0x1c, (value >> 8) & 0xFF, value & 0xFF]; + } else { + code = [0x1d, + (value >> 24) & 0xFF, + (value >> 16) & 0xFF, + (value >> 8) & 0xFF, + value & 0xFF]; + } + return code; + }, + compileHeader: function CFFCompiler_compileHeader(header) { + return [ + header.major, + header.minor, + header.hdrSize, + header.offSize + ]; + }, + compileNameIndex: function CFFCompiler_compileNameIndex(names) { + var nameIndex = new CFFIndex(); + for (var i = 0, ii = names.length; i < ii; ++i) { + nameIndex.add(stringToBytes(names[i])); + } + return this.compileIndex(nameIndex); + }, + compileTopDicts: function CFFCompiler_compileTopDicts(dicts, + length, + removeCidKeys) { + var fontDictTrackers = []; + var fdArrayIndex = new CFFIndex(); + for (var i = 0, ii = dicts.length; i < ii; ++i) { + var fontDict = dicts[i]; + if (removeCidKeys) { + fontDict.removeByName('CIDFontVersion'); + fontDict.removeByName('CIDFontRevision'); + fontDict.removeByName('CIDFontType'); + fontDict.removeByName('CIDCount'); + fontDict.removeByName('UIDBase'); + } + var fontDictTracker = new CFFOffsetTracker(); + var fontDictData = this.compileDict(fontDict, fontDictTracker); + fontDictTrackers.push(fontDictTracker); + fdArrayIndex.add(fontDictData); + fontDictTracker.offset(length); + } + fdArrayIndex = this.compileIndex(fdArrayIndex, fontDictTrackers); + return { + trackers: fontDictTrackers, + output: fdArrayIndex + }; + }, + compilePrivateDicts: function CFFCompiler_compilePrivateDicts(dicts, + trackers, + output) { + for (var i = 0, ii = dicts.length; i < ii; ++i) { + var fontDict = dicts[i]; + assert(fontDict.privateDict && fontDict.hasName('Private'), + 'There must be an private dictionary.'); + var privateDict = fontDict.privateDict; + var privateDictTracker = new CFFOffsetTracker(); + var privateDictData = this.compileDict(privateDict, privateDictTracker); + + var outputLength = output.length; + privateDictTracker.offset(outputLength); + if (!privateDictData.length) { + // The private dictionary was empty, set the output length to zero to + // ensure the offset length isn't out of bounds in the eyes of the + // sanitizer. + outputLength = 0; + } + + trackers[i].setEntryLocation('Private', + [privateDictData.length, outputLength], + output); + output.add(privateDictData); + + if (privateDict.subrsIndex && privateDict.hasName('Subrs')) { + var subrs = this.compileIndex(privateDict.subrsIndex); + privateDictTracker.setEntryLocation('Subrs', [privateDictData.length], + output); + output.add(subrs); + } + } + }, + compileDict: function CFFCompiler_compileDict(dict, offsetTracker) { + var out = []; + // The dictionary keys must be in a certain order. + var order = dict.order; + for (var i = 0; i < order.length; ++i) { + var key = order[i]; + if (!(key in dict.values)) { + continue; + } + var values = dict.values[key]; + var types = dict.types[key]; + if (!isArray(types)) { + types = [types]; + } + if (!isArray(values)) { + values = [values]; + } + + // Remove any empty dict values. + if (values.length === 0) { + continue; + } + + for (var j = 0, jj = types.length; j < jj; ++j) { + var type = types[j]; + var value = values[j]; + switch (type) { + case 'num': + case 'sid': + out = out.concat(this.encodeNumber(value)); + break; + case 'offset': + // For offsets we just insert a 32bit integer so we don't have to + // deal with figuring out the length of the offset when it gets + // replaced later on by the compiler. + var name = dict.keyToNameMap[key]; + // Some offsets have the offset and the length, so just record the + // position of the first one. + if (!offsetTracker.isTracking(name)) { + offsetTracker.track(name, out.length); + } + out = out.concat([0x1d, 0, 0, 0, 0]); + break; + case 'array': + case 'delta': + out = out.concat(this.encodeNumber(value)); + for (var k = 1, kk = values.length; k < kk; ++k) { + out = out.concat(this.encodeNumber(values[k])); + } + break; + default: + error('Unknown data type of ' + type); + break; + } + } + out = out.concat(dict.opcodes[key]); + } + return out; + }, + compileStringIndex: function CFFCompiler_compileStringIndex(strings) { + var stringIndex = new CFFIndex(); + for (var i = 0, ii = strings.length; i < ii; ++i) { + stringIndex.add(stringToBytes(strings[i])); + } + return this.compileIndex(stringIndex); + }, + compileGlobalSubrIndex: function CFFCompiler_compileGlobalSubrIndex() { + var globalSubrIndex = this.cff.globalSubrIndex; + this.out.writeByteArray(this.compileIndex(globalSubrIndex)); + }, + compileCharStrings: function CFFCompiler_compileCharStrings(charStrings) { + return this.compileIndex(charStrings); + }, + compileCharset: function CFFCompiler_compileCharset(charset) { + return this.compileTypedArray(charset.raw); + }, + compileEncoding: function CFFCompiler_compileEncoding(encoding) { + return this.compileTypedArray(encoding.raw); + }, + compileFDSelect: function CFFCompiler_compileFDSelect(fdSelect) { + return this.compileTypedArray(fdSelect); + }, + compileTypedArray: function CFFCompiler_compileTypedArray(data) { + var out = []; + for (var i = 0, ii = data.length; i < ii; ++i) { + out[i] = data[i]; + } + return out; + }, + compileIndex: function CFFCompiler_compileIndex(index, trackers) { + trackers = trackers || []; + var objects = index.objects; + // First 2 bytes contains the number of objects contained into this index + var count = objects.length; + + // If there is no object, just create an index. This technically + // should just be [0, 0] but OTS has an issue with that. + if (count === 0) { + return [0, 0, 0]; + } + + var data = [(count >> 8) & 0xFF, count & 0xff]; + + var lastOffset = 1, i; + for (i = 0; i < count; ++i) { + lastOffset += objects[i].length; + } + + var offsetSize; + if (lastOffset < 0x100) { + offsetSize = 1; + } else if (lastOffset < 0x10000) { + offsetSize = 2; + } else if (lastOffset < 0x1000000) { + offsetSize = 3; + } else { + offsetSize = 4; + } + + // Next byte contains the offset size use to reference object in the file + data.push(offsetSize); + + // Add another offset after this one because we need a new offset + var relativeOffset = 1; + for (i = 0; i < count + 1; i++) { + if (offsetSize === 1) { + data.push(relativeOffset & 0xFF); + } else if (offsetSize === 2) { + data.push((relativeOffset >> 8) & 0xFF, + relativeOffset & 0xFF); + } else if (offsetSize === 3) { + data.push((relativeOffset >> 16) & 0xFF, + (relativeOffset >> 8) & 0xFF, + relativeOffset & 0xFF); + } else { + data.push((relativeOffset >>> 24) & 0xFF, + (relativeOffset >> 16) & 0xFF, + (relativeOffset >> 8) & 0xFF, + relativeOffset & 0xFF); + } + + if (objects[i]) { + relativeOffset += objects[i].length; + } + } + + for (i = 0; i < count; i++) { + // Notify the tracker where the object will be offset in the data. + if (trackers[i]) { + trackers[i].offset(data.length); + } + for (var j = 0, jj = objects[i].length; j < jj; j++) { + data.push(objects[i][j]); + } + } + return data; + } + }; + return CFFCompiler; +})(); + +function _enableSeacAnalysis(enabled) { + exports.SEAC_ANALYSIS_ENABLED = SEAC_ANALYSIS_ENABLED = enabled; +} + +// Workaround for seac on Windows. +(function checkSeacSupport() { + if (typeof navigator !== 'undefined' && /Windows/.test(navigator.userAgent)) { + SEAC_ANALYSIS_ENABLED = true; + } +})(); + +// Workaround for Private Use Area characters in Chrome on Windows +// http://code.google.com/p/chromium/issues/detail?id=122465 +// https://github.com/mozilla/pdf.js/issues/1689 +(function checkChromeWindows() { + if (typeof navigator !== 'undefined' && + /Windows.*Chrome/.test(navigator.userAgent)) { + SKIP_PRIVATE_USE_RANGE_F000_TO_F01F = true; + } +})(); + +exports.SEAC_ANALYSIS_ENABLED = SEAC_ANALYSIS_ENABLED; +exports.CFFCompiler = CFFCompiler; +exports.CFFIndex = CFFIndex; +exports.CFFParser = CFFParser; +exports.CFFStrings = CFFStrings; +exports.Encodings = Encodings; +exports.ErrorFont = ErrorFont; +exports.FontFlags = FontFlags; +exports.Font = Font; +exports.IdentityToUnicodeMap = IdentityToUnicodeMap; +exports.NormalizedUnicodes = NormalizedUnicodes; +exports.ToUnicodeMap = ToUnicodeMap; +exports.Type1Parser = Type1Parser; +exports.getFontType = getFontType; +exports.reverseIfRtl = reverseIfRtl; +exports.serifFonts = serifFonts; +exports.symbolsFonts = symbolsFonts; +exports.stdFontMap = stdFontMap; +exports._enableSeacAnalysis = _enableSeacAnalysis; + +// TODO refactor to remove cyclic dependency on font_renderer.js +coreFontRenderer._setCoreFonts(exports); +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreFunction = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCorePsParser); + } +}(this, function (exports, sharedUtil, corePrimitives, corePsParser) { + +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isBool = sharedUtil.isBool; +var isDict = corePrimitives.isDict; +var isStream = corePrimitives.isStream; +var PostScriptLexer = corePsParser.PostScriptLexer; +var PostScriptParser = corePsParser.PostScriptParser; + +var PDFFunction = (function PDFFunctionClosure() { + var CONSTRUCT_SAMPLED = 0; + var CONSTRUCT_INTERPOLATED = 2; + var CONSTRUCT_STICHED = 3; + var CONSTRUCT_POSTSCRIPT = 4; + + return { + getSampleArray: function PDFFunction_getSampleArray(size, outputSize, bps, + str) { + var i, ii; + var length = 1; + for (i = 0, ii = size.length; i < ii; i++) { + length *= size[i]; + } + length *= outputSize; + + var array = new Array(length); + var codeSize = 0; + var codeBuf = 0; + // 32 is a valid bps so shifting won't work + var sampleMul = 1.0 / (Math.pow(2.0, bps) - 1); + + var strBytes = str.getBytes((length * bps + 7) / 8); + var strIdx = 0; + for (i = 0; i < length; i++) { + while (codeSize < bps) { + codeBuf <<= 8; + codeBuf |= strBytes[strIdx++]; + codeSize += 8; + } + codeSize -= bps; + array[i] = (codeBuf >> codeSize) * sampleMul; + codeBuf &= (1 << codeSize) - 1; + } + return array; + }, + + getIR: function PDFFunction_getIR(xref, fn) { + var dict = fn.dict; + if (!dict) { + dict = fn; + } + + var types = [this.constructSampled, + null, + this.constructInterpolated, + this.constructStiched, + this.constructPostScript]; + + var typeNum = dict.get('FunctionType'); + var typeFn = types[typeNum]; + if (!typeFn) { + error('Unknown type of function'); + } + + return typeFn.call(this, fn, dict, xref); + }, + + fromIR: function PDFFunction_fromIR(IR) { + var type = IR[0]; + switch (type) { + case CONSTRUCT_SAMPLED: + return this.constructSampledFromIR(IR); + case CONSTRUCT_INTERPOLATED: + return this.constructInterpolatedFromIR(IR); + case CONSTRUCT_STICHED: + return this.constructStichedFromIR(IR); + //case CONSTRUCT_POSTSCRIPT: + default: + return this.constructPostScriptFromIR(IR); + } + }, + + parse: function PDFFunction_parse(xref, fn) { + var IR = this.getIR(xref, fn); + return this.fromIR(IR); + }, + + parseArray: function PDFFunction_parseArray(xref, fnObj) { + if (!isArray(fnObj)) { + // not an array -- parsing as regular function + return this.parse(xref, fnObj); + } + + var fnArray = []; + for (var j = 0, jj = fnObj.length; j < jj; j++) { + var obj = xref.fetchIfRef(fnObj[j]); + fnArray.push(PDFFunction.parse(xref, obj)); + } + return function (src, srcOffset, dest, destOffset) { + for (var i = 0, ii = fnArray.length; i < ii; i++) { + fnArray[i](src, srcOffset, dest, destOffset + i); + } + }; + }, + + constructSampled: function PDFFunction_constructSampled(str, dict) { + function toMultiArray(arr) { + var inputLength = arr.length; + var out = []; + var index = 0; + for (var i = 0; i < inputLength; i += 2) { + out[index] = [arr[i], arr[i + 1]]; + ++index; + } + return out; + } + var domain = dict.get('Domain'); + var range = dict.get('Range'); + + if (!domain || !range) { + error('No domain or range'); + } + + var inputSize = domain.length / 2; + var outputSize = range.length / 2; + + domain = toMultiArray(domain); + range = toMultiArray(range); + + var size = dict.get('Size'); + var bps = dict.get('BitsPerSample'); + var order = dict.get('Order') || 1; + if (order !== 1) { + // No description how cubic spline interpolation works in PDF32000:2008 + // As in poppler, ignoring order, linear interpolation may work as good + info('No support for cubic spline interpolation: ' + order); + } + + var encode = dict.get('Encode'); + if (!encode) { + encode = []; + for (var i = 0; i < inputSize; ++i) { + encode.push(0); + encode.push(size[i] - 1); + } + } + encode = toMultiArray(encode); + + var decode = dict.get('Decode'); + if (!decode) { + decode = range; + } else { + decode = toMultiArray(decode); + } + + var samples = this.getSampleArray(size, outputSize, bps, str); + + return [ + CONSTRUCT_SAMPLED, inputSize, domain, encode, decode, samples, size, + outputSize, Math.pow(2, bps) - 1, range + ]; + }, + + constructSampledFromIR: function PDFFunction_constructSampledFromIR(IR) { + // See chapter 3, page 109 of the PDF reference + function interpolate(x, xmin, xmax, ymin, ymax) { + return ymin + ((x - xmin) * ((ymax - ymin) / (xmax - xmin))); + } + + return function constructSampledFromIRResult(src, srcOffset, + dest, destOffset) { + // See chapter 3, page 110 of the PDF reference. + var m = IR[1]; + var domain = IR[2]; + var encode = IR[3]; + var decode = IR[4]; + var samples = IR[5]; + var size = IR[6]; + var n = IR[7]; + //var mask = IR[8]; + var range = IR[9]; + + // Building the cube vertices: its part and sample index + // http://rjwagner49.com/Mathematics/Interpolation.pdf + var cubeVertices = 1 << m; + var cubeN = new Float64Array(cubeVertices); + var cubeVertex = new Uint32Array(cubeVertices); + var i, j; + for (j = 0; j < cubeVertices; j++) { + cubeN[j] = 1; + } + + var k = n, pos = 1; + // Map x_i to y_j for 0 <= i < m using the sampled function. + for (i = 0; i < m; ++i) { + // x_i' = min(max(x_i, Domain_2i), Domain_2i+1) + var domain_2i = domain[i][0]; + var domain_2i_1 = domain[i][1]; + var xi = Math.min(Math.max(src[srcOffset +i], domain_2i), + domain_2i_1); + + // e_i = Interpolate(x_i', Domain_2i, Domain_2i+1, + // Encode_2i, Encode_2i+1) + var e = interpolate(xi, domain_2i, domain_2i_1, + encode[i][0], encode[i][1]); + + // e_i' = min(max(e_i, 0), Size_i - 1) + var size_i = size[i]; + e = Math.min(Math.max(e, 0), size_i - 1); + + // Adjusting the cube: N and vertex sample index + var e0 = e < size_i - 1 ? Math.floor(e) : e - 1; // e1 = e0 + 1; + var n0 = e0 + 1 - e; // (e1 - e) / (e1 - e0); + var n1 = e - e0; // (e - e0) / (e1 - e0); + var offset0 = e0 * k; + var offset1 = offset0 + k; // e1 * k + for (j = 0; j < cubeVertices; j++) { + if (j & pos) { + cubeN[j] *= n1; + cubeVertex[j] += offset1; + } else { + cubeN[j] *= n0; + cubeVertex[j] += offset0; + } + } + + k *= size_i; + pos <<= 1; + } + + for (j = 0; j < n; ++j) { + // Sum all cube vertices' samples portions + var rj = 0; + for (i = 0; i < cubeVertices; i++) { + rj += samples[cubeVertex[i] + j] * cubeN[i]; + } + + // r_j' = Interpolate(r_j, 0, 2^BitsPerSample - 1, + // Decode_2j, Decode_2j+1) + rj = interpolate(rj, 0, 1, decode[j][0], decode[j][1]); + + // y_j = min(max(r_j, range_2j), range_2j+1) + dest[destOffset + j] = Math.min(Math.max(rj, range[j][0]), + range[j][1]); + } + }; + }, + + constructInterpolated: function PDFFunction_constructInterpolated(str, + dict) { + var c0 = dict.get('C0') || [0]; + var c1 = dict.get('C1') || [1]; + var n = dict.get('N'); + + if (!isArray(c0) || !isArray(c1)) { + error('Illegal dictionary for interpolated function'); + } + + var length = c0.length; + var diff = []; + for (var i = 0; i < length; ++i) { + diff.push(c1[i] - c0[i]); + } + + return [CONSTRUCT_INTERPOLATED, c0, diff, n]; + }, + + constructInterpolatedFromIR: + function PDFFunction_constructInterpolatedFromIR(IR) { + var c0 = IR[1]; + var diff = IR[2]; + var n = IR[3]; + + var length = diff.length; + + return function constructInterpolatedFromIRResult(src, srcOffset, + dest, destOffset) { + var x = n === 1 ? src[srcOffset] : Math.pow(src[srcOffset], n); + + for (var j = 0; j < length; ++j) { + dest[destOffset + j] = c0[j] + (x * diff[j]); + } + }; + }, + + constructStiched: function PDFFunction_constructStiched(fn, dict, xref) { + var domain = dict.get('Domain'); + + if (!domain) { + error('No domain'); + } + + var inputSize = domain.length / 2; + if (inputSize !== 1) { + error('Bad domain for stiched function'); + } + + var fnRefs = dict.get('Functions'); + var fns = []; + for (var i = 0, ii = fnRefs.length; i < ii; ++i) { + fns.push(PDFFunction.getIR(xref, xref.fetchIfRef(fnRefs[i]))); + } + + var bounds = dict.get('Bounds'); + var encode = dict.get('Encode'); + + return [CONSTRUCT_STICHED, domain, bounds, encode, fns]; + }, + + constructStichedFromIR: function PDFFunction_constructStichedFromIR(IR) { + var domain = IR[1]; + var bounds = IR[2]; + var encode = IR[3]; + var fnsIR = IR[4]; + var fns = []; + var tmpBuf = new Float32Array(1); + + for (var i = 0, ii = fnsIR.length; i < ii; i++) { + fns.push(PDFFunction.fromIR(fnsIR[i])); + } + + return function constructStichedFromIRResult(src, srcOffset, + dest, destOffset) { + var clip = function constructStichedFromIRClip(v, min, max) { + if (v > max) { + v = max; + } else if (v < min) { + v = min; + } + return v; + }; + + // clip to domain + var v = clip(src[srcOffset], domain[0], domain[1]); + // calulate which bound the value is in + for (var i = 0, ii = bounds.length; i < ii; ++i) { + if (v < bounds[i]) { + break; + } + } + + // encode value into domain of function + var dmin = domain[0]; + if (i > 0) { + dmin = bounds[i - 1]; + } + var dmax = domain[1]; + if (i < bounds.length) { + dmax = bounds[i]; + } + + var rmin = encode[2 * i]; + var rmax = encode[2 * i + 1]; + + // Prevent the value from becoming NaN as a result + // of division by zero (fixes issue6113.pdf). + tmpBuf[0] = dmin === dmax ? rmin : + rmin + (v - dmin) * (rmax - rmin) / (dmax - dmin); + + // call the appropriate function + fns[i](tmpBuf, 0, dest, destOffset); + }; + }, + + constructPostScript: function PDFFunction_constructPostScript(fn, dict, + xref) { + var domain = dict.get('Domain'); + var range = dict.get('Range'); + + if (!domain) { + error('No domain.'); + } + + if (!range) { + error('No range.'); + } + + var lexer = new PostScriptLexer(fn); + var parser = new PostScriptParser(lexer); + var code = parser.parse(); + + return [CONSTRUCT_POSTSCRIPT, domain, range, code]; + }, + + constructPostScriptFromIR: function PDFFunction_constructPostScriptFromIR( + IR) { + var domain = IR[1]; + var range = IR[2]; + var code = IR[3]; + + var compiled = (new PostScriptCompiler()).compile(code, domain, range); + if (compiled) { + // Compiled function consists of simple expressions such as addition, + // subtraction, Math.max, and also contains 'var' and 'return' + // statements. See the generation in the PostScriptCompiler below. + /*jshint -W054 */ + return new Function('src', 'srcOffset', 'dest', 'destOffset', compiled); + } + + info('Unable to compile PS function'); + + var numOutputs = range.length >> 1; + var numInputs = domain.length >> 1; + var evaluator = new PostScriptEvaluator(code); + // Cache the values for a big speed up, the cache size is limited though + // since the number of possible values can be huge from a PS function. + var cache = {}; + // The MAX_CACHE_SIZE is set to ~4x the maximum number of distinct values + // seen in our tests. + var MAX_CACHE_SIZE = 2048 * 4; + var cache_available = MAX_CACHE_SIZE; + var tmpBuf = new Float32Array(numInputs); + + return function constructPostScriptFromIRResult(src, srcOffset, + dest, destOffset) { + var i, value; + var key = ''; + var input = tmpBuf; + for (i = 0; i < numInputs; i++) { + value = src[srcOffset + i]; + input[i] = value; + key += value + '_'; + } + + var cachedValue = cache[key]; + if (cachedValue !== undefined) { + dest.set(cachedValue, destOffset); + return; + } + + var output = new Float32Array(numOutputs); + var stack = evaluator.execute(input); + var stackIndex = stack.length - numOutputs; + for (i = 0; i < numOutputs; i++) { + value = stack[stackIndex + i]; + var bound = range[i * 2]; + if (value < bound) { + value = bound; + } else { + bound = range[i * 2 +1]; + if (value > bound) { + value = bound; + } + } + output[i] = value; + } + if (cache_available > 0) { + cache_available--; + cache[key] = output; + } + dest.set(output, destOffset); + }; + } + }; +})(); + +function isPDFFunction(v) { + var fnDict; + if (typeof v !== 'object') { + return false; + } else if (isDict(v)) { + fnDict = v; + } else if (isStream(v)) { + fnDict = v.dict; + } else { + return false; + } + return fnDict.has('FunctionType'); +} + +var PostScriptStack = (function PostScriptStackClosure() { + var MAX_STACK_SIZE = 100; + function PostScriptStack(initialStack) { + this.stack = !initialStack ? [] : + Array.prototype.slice.call(initialStack, 0); + } + + PostScriptStack.prototype = { + push: function PostScriptStack_push(value) { + if (this.stack.length >= MAX_STACK_SIZE) { + error('PostScript function stack overflow.'); + } + this.stack.push(value); + }, + pop: function PostScriptStack_pop() { + if (this.stack.length <= 0) { + error('PostScript function stack underflow.'); + } + return this.stack.pop(); + }, + copy: function PostScriptStack_copy(n) { + if (this.stack.length + n >= MAX_STACK_SIZE) { + error('PostScript function stack overflow.'); + } + var stack = this.stack; + for (var i = stack.length - n, j = n - 1; j >= 0; j--, i++) { + stack.push(stack[i]); + } + }, + index: function PostScriptStack_index(n) { + this.push(this.stack[this.stack.length - n - 1]); + }, + // rotate the last n stack elements p times + roll: function PostScriptStack_roll(n, p) { + var stack = this.stack; + var l = stack.length - n; + var r = stack.length - 1, c = l + (p - Math.floor(p / n) * n), i, j, t; + for (i = l, j = r; i < j; i++, j--) { + t = stack[i]; stack[i] = stack[j]; stack[j] = t; + } + for (i = l, j = c - 1; i < j; i++, j--) { + t = stack[i]; stack[i] = stack[j]; stack[j] = t; + } + for (i = c, j = r; i < j; i++, j--) { + t = stack[i]; stack[i] = stack[j]; stack[j] = t; + } + } + }; + return PostScriptStack; +})(); +var PostScriptEvaluator = (function PostScriptEvaluatorClosure() { + function PostScriptEvaluator(operators) { + this.operators = operators; + } + PostScriptEvaluator.prototype = { + execute: function PostScriptEvaluator_execute(initialStack) { + var stack = new PostScriptStack(initialStack); + var counter = 0; + var operators = this.operators; + var length = operators.length; + var operator, a, b; + while (counter < length) { + operator = operators[counter++]; + if (typeof operator === 'number') { + // Operator is really an operand and should be pushed to the stack. + stack.push(operator); + continue; + } + switch (operator) { + // non standard ps operators + case 'jz': // jump if false + b = stack.pop(); + a = stack.pop(); + if (!a) { + counter = b; + } + break; + case 'j': // jump + a = stack.pop(); + counter = a; + break; + + // all ps operators in alphabetical order (excluding if/ifelse) + case 'abs': + a = stack.pop(); + stack.push(Math.abs(a)); + break; + case 'add': + b = stack.pop(); + a = stack.pop(); + stack.push(a + b); + break; + case 'and': + b = stack.pop(); + a = stack.pop(); + if (isBool(a) && isBool(b)) { + stack.push(a && b); + } else { + stack.push(a & b); + } + break; + case 'atan': + a = stack.pop(); + stack.push(Math.atan(a)); + break; + case 'bitshift': + b = stack.pop(); + a = stack.pop(); + if (a > 0) { + stack.push(a << b); + } else { + stack.push(a >> b); + } + break; + case 'ceiling': + a = stack.pop(); + stack.push(Math.ceil(a)); + break; + case 'copy': + a = stack.pop(); + stack.copy(a); + break; + case 'cos': + a = stack.pop(); + stack.push(Math.cos(a)); + break; + case 'cvi': + a = stack.pop() | 0; + stack.push(a); + break; + case 'cvr': + // noop + break; + case 'div': + b = stack.pop(); + a = stack.pop(); + stack.push(a / b); + break; + case 'dup': + stack.copy(1); + break; + case 'eq': + b = stack.pop(); + a = stack.pop(); + stack.push(a === b); + break; + case 'exch': + stack.roll(2, 1); + break; + case 'exp': + b = stack.pop(); + a = stack.pop(); + stack.push(Math.pow(a, b)); + break; + case 'false': + stack.push(false); + break; + case 'floor': + a = stack.pop(); + stack.push(Math.floor(a)); + break; + case 'ge': + b = stack.pop(); + a = stack.pop(); + stack.push(a >= b); + break; + case 'gt': + b = stack.pop(); + a = stack.pop(); + stack.push(a > b); + break; + case 'idiv': + b = stack.pop(); + a = stack.pop(); + stack.push((a / b) | 0); + break; + case 'index': + a = stack.pop(); + stack.index(a); + break; + case 'le': + b = stack.pop(); + a = stack.pop(); + stack.push(a <= b); + break; + case 'ln': + a = stack.pop(); + stack.push(Math.log(a)); + break; + case 'log': + a = stack.pop(); + stack.push(Math.log(a) / Math.LN10); + break; + case 'lt': + b = stack.pop(); + a = stack.pop(); + stack.push(a < b); + break; + case 'mod': + b = stack.pop(); + a = stack.pop(); + stack.push(a % b); + break; + case 'mul': + b = stack.pop(); + a = stack.pop(); + stack.push(a * b); + break; + case 'ne': + b = stack.pop(); + a = stack.pop(); + stack.push(a !== b); + break; + case 'neg': + a = stack.pop(); + stack.push(-a); + break; + case 'not': + a = stack.pop(); + if (isBool(a)) { + stack.push(!a); + } else { + stack.push(~a); + } + break; + case 'or': + b = stack.pop(); + a = stack.pop(); + if (isBool(a) && isBool(b)) { + stack.push(a || b); + } else { + stack.push(a | b); + } + break; + case 'pop': + stack.pop(); + break; + case 'roll': + b = stack.pop(); + a = stack.pop(); + stack.roll(a, b); + break; + case 'round': + a = stack.pop(); + stack.push(Math.round(a)); + break; + case 'sin': + a = stack.pop(); + stack.push(Math.sin(a)); + break; + case 'sqrt': + a = stack.pop(); + stack.push(Math.sqrt(a)); + break; + case 'sub': + b = stack.pop(); + a = stack.pop(); + stack.push(a - b); + break; + case 'true': + stack.push(true); + break; + case 'truncate': + a = stack.pop(); + a = a < 0 ? Math.ceil(a) : Math.floor(a); + stack.push(a); + break; + case 'xor': + b = stack.pop(); + a = stack.pop(); + if (isBool(a) && isBool(b)) { + stack.push(a !== b); + } else { + stack.push(a ^ b); + } + break; + default: + error('Unknown operator ' + operator); + break; + } + } + return stack.stack; + } + }; + return PostScriptEvaluator; +})(); + +// Most of the PDFs functions consist of simple operations such as: +// roll, exch, sub, cvr, pop, index, dup, mul, if, gt, add. +// +// We can compile most of such programs, and at the same moment, we can +// optimize some expressions using basic math properties. Keeping track of +// min/max values will allow us to avoid extra Math.min/Math.max calls. +var PostScriptCompiler = (function PostScriptCompilerClosure() { + function AstNode(type) { + this.type = type; + } + AstNode.prototype.visit = function (visitor) { + throw new Error('abstract method'); + }; + + function AstArgument(index, min, max) { + AstNode.call(this, 'args'); + this.index = index; + this.min = min; + this.max = max; + } + AstArgument.prototype = Object.create(AstNode.prototype); + AstArgument.prototype.visit = function (visitor) { + visitor.visitArgument(this); + }; + + function AstLiteral(number) { + AstNode.call(this, 'literal'); + this.number = number; + this.min = number; + this.max = number; + } + AstLiteral.prototype = Object.create(AstNode.prototype); + AstLiteral.prototype.visit = function (visitor) { + visitor.visitLiteral(this); + }; + + function AstBinaryOperation(op, arg1, arg2, min, max) { + AstNode.call(this, 'binary'); + this.op = op; + this.arg1 = arg1; + this.arg2 = arg2; + this.min = min; + this.max = max; + } + AstBinaryOperation.prototype = Object.create(AstNode.prototype); + AstBinaryOperation.prototype.visit = function (visitor) { + visitor.visitBinaryOperation(this); + }; + + function AstMin(arg, max) { + AstNode.call(this, 'max'); + this.arg = arg; + this.min = arg.min; + this.max = max; + } + AstMin.prototype = Object.create(AstNode.prototype); + AstMin.prototype.visit = function (visitor) { + visitor.visitMin(this); + }; + + function AstVariable(index, min, max) { + AstNode.call(this, 'var'); + this.index = index; + this.min = min; + this.max = max; + } + AstVariable.prototype = Object.create(AstNode.prototype); + AstVariable.prototype.visit = function (visitor) { + visitor.visitVariable(this); + }; + + function AstVariableDefinition(variable, arg) { + AstNode.call(this, 'definition'); + this.variable = variable; + this.arg = arg; + } + AstVariableDefinition.prototype = Object.create(AstNode.prototype); + AstVariableDefinition.prototype.visit = function (visitor) { + visitor.visitVariableDefinition(this); + }; + + function ExpressionBuilderVisitor() { + this.parts = []; + } + ExpressionBuilderVisitor.prototype = { + visitArgument: function (arg) { + this.parts.push('Math.max(', arg.min, ', Math.min(', + arg.max, ', src[srcOffset + ', arg.index, ']))'); + }, + visitVariable: function (variable) { + this.parts.push('v', variable.index); + }, + visitLiteral: function (literal) { + this.parts.push(literal.number); + }, + visitBinaryOperation: function (operation) { + this.parts.push('('); + operation.arg1.visit(this); + this.parts.push(' ', operation.op, ' '); + operation.arg2.visit(this); + this.parts.push(')'); + }, + visitVariableDefinition: function (definition) { + this.parts.push('var '); + definition.variable.visit(this); + this.parts.push(' = '); + definition.arg.visit(this); + this.parts.push(';'); + }, + visitMin: function (max) { + this.parts.push('Math.min('); + max.arg.visit(this); + this.parts.push(', ', max.max, ')'); + }, + toString: function () { + return this.parts.join(''); + } + }; + + function buildAddOperation(num1, num2) { + if (num2.type === 'literal' && num2.number === 0) { + // optimization: second operand is 0 + return num1; + } + if (num1.type === 'literal' && num1.number === 0) { + // optimization: first operand is 0 + return num2; + } + if (num2.type === 'literal' && num1.type === 'literal') { + // optimization: operands operand are literals + return new AstLiteral(num1.number + num2.number); + } + return new AstBinaryOperation('+', num1, num2, + num1.min + num2.min, num1.max + num2.max); + } + + function buildMulOperation(num1, num2) { + if (num2.type === 'literal') { + // optimization: second operands is a literal... + if (num2.number === 0) { + return new AstLiteral(0); // and it's 0 + } else if (num2.number === 1) { + return num1; // and it's 1 + } else if (num1.type === 'literal') { + // ... and first operands is a literal too + return new AstLiteral(num1.number * num2.number); + } + } + if (num1.type === 'literal') { + // optimization: first operands is a literal... + if (num1.number === 0) { + return new AstLiteral(0); // and it's 0 + } else if (num1.number === 1) { + return num2; // and it's 1 + } + } + var min = Math.min(num1.min * num2.min, num1.min * num2.max, + num1.max * num2.min, num1.max * num2.max); + var max = Math.max(num1.min * num2.min, num1.min * num2.max, + num1.max * num2.min, num1.max * num2.max); + return new AstBinaryOperation('*', num1, num2, min, max); + } + + function buildSubOperation(num1, num2) { + if (num2.type === 'literal') { + // optimization: second operands is a literal... + if (num2.number === 0) { + return num1; // ... and it's 0 + } else if (num1.type === 'literal') { + // ... and first operands is a literal too + return new AstLiteral(num1.number - num2.number); + } + } + if (num2.type === 'binary' && num2.op === '-' && + num1.type === 'literal' && num1.number === 1 && + num2.arg1.type === 'literal' && num2.arg1.number === 1) { + // optimization for case: 1 - (1 - x) + return num2.arg2; + } + return new AstBinaryOperation('-', num1, num2, + num1.min - num2.max, num1.max - num2.min); + } + + function buildMinOperation(num1, max) { + if (num1.min >= max) { + // optimization: num1 min value is not less than required max + return new AstLiteral(max); // just returning max + } else if (num1.max <= max) { + // optimization: num1 max value is not greater than required max + return num1; // just returning an argument + } + return new AstMin(num1, max); + } + + function PostScriptCompiler() {} + PostScriptCompiler.prototype = { + compile: function PostScriptCompiler_compile(code, domain, range) { + var stack = []; + var i, ii; + var instructions = []; + var inputSize = domain.length >> 1, outputSize = range.length >> 1; + var lastRegister = 0; + var n, j; + var num1, num2, ast1, ast2, tmpVar, item; + for (i = 0; i < inputSize; i++) { + stack.push(new AstArgument(i, domain[i * 2], domain[i * 2 + 1])); + } + + for (i = 0, ii = code.length; i < ii; i++) { + item = code[i]; + if (typeof item === 'number') { + stack.push(new AstLiteral(item)); + continue; + } + + switch (item) { + case 'add': + if (stack.length < 2) { + return null; + } + num2 = stack.pop(); + num1 = stack.pop(); + stack.push(buildAddOperation(num1, num2)); + break; + case 'cvr': + if (stack.length < 1) { + return null; + } + break; + case 'mul': + if (stack.length < 2) { + return null; + } + num2 = stack.pop(); + num1 = stack.pop(); + stack.push(buildMulOperation(num1, num2)); + break; + case 'sub': + if (stack.length < 2) { + return null; + } + num2 = stack.pop(); + num1 = stack.pop(); + stack.push(buildSubOperation(num1, num2)); + break; + case 'exch': + if (stack.length < 2) { + return null; + } + ast1 = stack.pop(); ast2 = stack.pop(); + stack.push(ast1, ast2); + break; + case 'pop': + if (stack.length < 1) { + return null; + } + stack.pop(); + break; + case 'index': + if (stack.length < 1) { + return null; + } + num1 = stack.pop(); + if (num1.type !== 'literal') { + return null; + } + n = num1.number; + if (n < 0 || (n|0) !== n || stack.length < n) { + return null; + } + ast1 = stack[stack.length - n - 1]; + if (ast1.type === 'literal' || ast1.type === 'var') { + stack.push(ast1); + break; + } + tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max); + stack[stack.length - n - 1] = tmpVar; + stack.push(tmpVar); + instructions.push(new AstVariableDefinition(tmpVar, ast1)); + break; + case 'dup': + if (stack.length < 1) { + return null; + } + if (typeof code[i + 1] === 'number' && code[i + 2] === 'gt' && + code[i + 3] === i + 7 && code[i + 4] === 'jz' && + code[i + 5] === 'pop' && code[i + 6] === code[i + 1]) { + // special case of the commands sequence for the min operation + num1 = stack.pop(); + stack.push(buildMinOperation(num1, code[i + 1])); + i += 6; + break; + } + ast1 = stack[stack.length - 1]; + if (ast1.type === 'literal' || ast1.type === 'var') { + // we don't have to save into intermediate variable a literal or + // variable. + stack.push(ast1); + break; + } + tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max); + stack[stack.length - 1] = tmpVar; + stack.push(tmpVar); + instructions.push(new AstVariableDefinition(tmpVar, ast1)); + break; + case 'roll': + if (stack.length < 2) { + return null; + } + num2 = stack.pop(); + num1 = stack.pop(); + if (num2.type !== 'literal' || num1.type !== 'literal') { + // both roll operands must be numbers + return null; + } + j = num2.number; + n = num1.number; + if (n <= 0 || (n|0) !== n || (j|0) !== j || stack.length < n) { + // ... and integers + return null; + } + j = ((j % n) + n) % n; + if (j === 0) { + break; // just skipping -- there are nothing to rotate + } + Array.prototype.push.apply(stack, + stack.splice(stack.length - n, n - j)); + break; + default: + return null; // unsupported operator + } + } + + if (stack.length !== outputSize) { + return null; + } + + var result = []; + instructions.forEach(function (instruction) { + var statementBuilder = new ExpressionBuilderVisitor(); + instruction.visit(statementBuilder); + result.push(statementBuilder.toString()); + }); + stack.forEach(function (expr, i) { + var statementBuilder = new ExpressionBuilderVisitor(); + expr.visit(statementBuilder); + var min = range[i * 2], max = range[i * 2 + 1]; + var out = [statementBuilder.toString()]; + if (min > expr.min) { + out.unshift('Math.max(', min, ', '); + out.push(')'); + } + if (max < expr.max) { + out.unshift('Math.min(', max, ', '); + out.push(')'); + } + out.unshift('dest[destOffset + ', i, '] = '); + out.push(';'); + result.push(out.join('')); + }); + return result.join('\n'); + } + }; + + return PostScriptCompiler; +})(); + +exports.isPDFFunction = isPDFFunction; +exports.PDFFunction = PDFFunction; +exports.PostScriptEvaluator = PostScriptEvaluator; +exports.PostScriptCompiler = PostScriptCompiler; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreColorSpace = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreFunction, root.pdfjsCoreStream); + } +}(this, function (exports, sharedUtil, corePrimitives, coreFunction, + coreStream) { + +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isString = sharedUtil.isString; +var shadow = sharedUtil.shadow; +var warn = sharedUtil.warn; +var isDict = corePrimitives.isDict; +var isName = corePrimitives.isName; +var isStream = corePrimitives.isStream; +var PDFFunction = coreFunction.PDFFunction; + +var coreImage; // see _setCoreImage below +var PDFImage; // = coreImage.PDFImage; + +var ColorSpace = (function ColorSpaceClosure() { + // Constructor should define this.numComps, this.defaultColor, this.name + function ColorSpace() { + error('should not call ColorSpace constructor'); + } + + ColorSpace.prototype = { + /** + * Converts the color value to the RGB color. The color components are + * located in the src array starting from the srcOffset. Returns the array + * of the rgb components, each value ranging from [0,255]. + */ + getRgb: function ColorSpace_getRgb(src, srcOffset) { + var rgb = new Uint8Array(3); + this.getRgbItem(src, srcOffset, rgb, 0); + return rgb; + }, + /** + * Converts the color value to the RGB color, similar to the getRgb method. + * The result placed into the dest array starting from the destOffset. + */ + getRgbItem: function ColorSpace_getRgbItem(src, srcOffset, + dest, destOffset) { + error('Should not call ColorSpace.getRgbItem'); + }, + /** + * Converts the specified number of the color values to the RGB colors. + * The colors are located in the src array starting from the srcOffset. + * The result is placed into the dest array starting from the destOffset. + * The src array items shall be in [0,2^bits) range, the dest array items + * will be in [0,255] range. alpha01 indicates how many alpha components + * there are in the dest array; it will be either 0 (RGB array) or 1 (RGBA + * array). + */ + getRgbBuffer: function ColorSpace_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + error('Should not call ColorSpace.getRgbBuffer'); + }, + /** + * Determines the number of bytes required to store the result of the + * conversion done by the getRgbBuffer method. As in getRgbBuffer, + * |alpha01| is either 0 (RGB output) or 1 (RGBA output). + */ + getOutputLength: function ColorSpace_getOutputLength(inputLength, + alpha01) { + error('Should not call ColorSpace.getOutputLength'); + }, + /** + * Returns true if source data will be equal the result/output data. + */ + isPassthrough: function ColorSpace_isPassthrough(bits) { + return false; + }, + /** + * Fills in the RGB colors in the destination buffer. alpha01 indicates + * how many alpha components there are in the dest array; it will be either + * 0 (RGB array) or 1 (RGBA array). + */ + fillRgb: function ColorSpace_fillRgb(dest, originalWidth, + originalHeight, width, height, + actualHeight, bpc, comps, alpha01) { + var count = originalWidth * originalHeight; + var rgbBuf = null; + var numComponentColors = 1 << bpc; + var needsResizing = originalHeight !== height || originalWidth !== width; + var i, ii; + + if (this.isPassthrough(bpc)) { + rgbBuf = comps; + } else if (this.numComps === 1 && count > numComponentColors && + this.name !== 'DeviceGray' && this.name !== 'DeviceRGB') { + // Optimization: create a color map when there is just one component and + // we are converting more colors than the size of the color map. We + // don't build the map if the colorspace is gray or rgb since those + // methods are faster than building a map. This mainly offers big speed + // ups for indexed and alternate colorspaces. + // + // TODO it may be worth while to cache the color map. While running + // testing I never hit a cache so I will leave that out for now (perhaps + // we are reparsing colorspaces too much?). + var allColors = bpc <= 8 ? new Uint8Array(numComponentColors) : + new Uint16Array(numComponentColors); + var key; + for (i = 0; i < numComponentColors; i++) { + allColors[i] = i; + } + var colorMap = new Uint8Array(numComponentColors * 3); + this.getRgbBuffer(allColors, 0, numComponentColors, colorMap, 0, bpc, + /* alpha01 = */ 0); + + var destPos, rgbPos; + if (!needsResizing) { + // Fill in the RGB values directly into |dest|. + destPos = 0; + for (i = 0; i < count; ++i) { + key = comps[i] * 3; + dest[destPos++] = colorMap[key]; + dest[destPos++] = colorMap[key + 1]; + dest[destPos++] = colorMap[key + 2]; + destPos += alpha01; + } + } else { + rgbBuf = new Uint8Array(count * 3); + rgbPos = 0; + for (i = 0; i < count; ++i) { + key = comps[i] * 3; + rgbBuf[rgbPos++] = colorMap[key]; + rgbBuf[rgbPos++] = colorMap[key + 1]; + rgbBuf[rgbPos++] = colorMap[key + 2]; + } + } + } else { + if (!needsResizing) { + // Fill in the RGB values directly into |dest|. + this.getRgbBuffer(comps, 0, width * actualHeight, dest, 0, bpc, + alpha01); + } else { + rgbBuf = new Uint8Array(count * 3); + this.getRgbBuffer(comps, 0, count, rgbBuf, 0, bpc, + /* alpha01 = */ 0); + } + } + + if (rgbBuf) { + if (needsResizing) { + PDFImage.resize(rgbBuf, bpc, 3, originalWidth, originalHeight, width, + height, dest, alpha01); + } else { + rgbPos = 0; + destPos = 0; + for (i = 0, ii = width * actualHeight; i < ii; i++) { + dest[destPos++] = rgbBuf[rgbPos++]; + dest[destPos++] = rgbBuf[rgbPos++]; + dest[destPos++] = rgbBuf[rgbPos++]; + destPos += alpha01; + } + } + } + }, + /** + * True if the colorspace has components in the default range of [0, 1]. + * This should be true for all colorspaces except for lab color spaces + * which are [0,100], [-128, 127], [-128, 127]. + */ + usesZeroToOneRange: true + }; + + ColorSpace.parse = function ColorSpace_parse(cs, xref, res) { + var IR = ColorSpace.parseToIR(cs, xref, res); + if (IR instanceof AlternateCS) { + return IR; + } + return ColorSpace.fromIR(IR); + }; + + ColorSpace.fromIR = function ColorSpace_fromIR(IR) { + var name = isArray(IR) ? IR[0] : IR; + var whitePoint, blackPoint, gamma; + + switch (name) { + case 'DeviceGrayCS': + return this.singletons.gray; + case 'DeviceRgbCS': + return this.singletons.rgb; + case 'DeviceCmykCS': + return this.singletons.cmyk; + case 'CalGrayCS': + whitePoint = IR[1].WhitePoint; + blackPoint = IR[1].BlackPoint; + gamma = IR[1].Gamma; + return new CalGrayCS(whitePoint, blackPoint, gamma); + case 'CalRGBCS': + whitePoint = IR[1].WhitePoint; + blackPoint = IR[1].BlackPoint; + gamma = IR[1].Gamma; + var matrix = IR[1].Matrix; + return new CalRGBCS(whitePoint, blackPoint, gamma, matrix); + case 'PatternCS': + var basePatternCS = IR[1]; + if (basePatternCS) { + basePatternCS = ColorSpace.fromIR(basePatternCS); + } + return new PatternCS(basePatternCS); + case 'IndexedCS': + var baseIndexedCS = IR[1]; + var hiVal = IR[2]; + var lookup = IR[3]; + return new IndexedCS(ColorSpace.fromIR(baseIndexedCS), hiVal, lookup); + case 'AlternateCS': + var numComps = IR[1]; + var alt = IR[2]; + var tintFnIR = IR[3]; + + return new AlternateCS(numComps, ColorSpace.fromIR(alt), + PDFFunction.fromIR(tintFnIR)); + case 'LabCS': + whitePoint = IR[1].WhitePoint; + blackPoint = IR[1].BlackPoint; + var range = IR[1].Range; + return new LabCS(whitePoint, blackPoint, range); + default: + error('Unknown name ' + name); + } + return null; + }; + + ColorSpace.parseToIR = function ColorSpace_parseToIR(cs, xref, res) { + if (isName(cs)) { + var colorSpaces = res.get('ColorSpace'); + if (isDict(colorSpaces)) { + var refcs = colorSpaces.get(cs.name); + if (refcs) { + cs = refcs; + } + } + } + + cs = xref.fetchIfRef(cs); + var mode; + + if (isName(cs)) { + mode = cs.name; + this.mode = mode; + + switch (mode) { + case 'DeviceGray': + case 'G': + return 'DeviceGrayCS'; + case 'DeviceRGB': + case 'RGB': + return 'DeviceRgbCS'; + case 'DeviceCMYK': + case 'CMYK': + return 'DeviceCmykCS'; + case 'Pattern': + return ['PatternCS', null]; + default: + error('unrecognized colorspace ' + mode); + } + } else if (isArray(cs)) { + mode = xref.fetchIfRef(cs[0]).name; + this.mode = mode; + var numComps, params, alt; + + switch (mode) { + case 'DeviceGray': + case 'G': + return 'DeviceGrayCS'; + case 'DeviceRGB': + case 'RGB': + return 'DeviceRgbCS'; + case 'DeviceCMYK': + case 'CMYK': + return 'DeviceCmykCS'; + case 'CalGray': + params = xref.fetchIfRef(cs[1]).getAll(); + return ['CalGrayCS', params]; + case 'CalRGB': + params = xref.fetchIfRef(cs[1]).getAll(); + return ['CalRGBCS', params]; + case 'ICCBased': + var stream = xref.fetchIfRef(cs[1]); + var dict = stream.dict; + numComps = dict.get('N'); + alt = dict.get('Alternate'); + if (alt) { + var altIR = ColorSpace.parseToIR(alt, xref, res); + // Parse the /Alternate CS to ensure that the number of components + // are correct, and also (indirectly) that it is not a PatternCS. + var altCS = ColorSpace.fromIR(altIR); + if (altCS.numComps === numComps) { + return altIR; + } + warn('ICCBased color space: Ignoring incorrect /Alternate entry.'); + } + if (numComps === 1) { + return 'DeviceGrayCS'; + } else if (numComps === 3) { + return 'DeviceRgbCS'; + } else if (numComps === 4) { + return 'DeviceCmykCS'; + } + break; + case 'Pattern': + var basePatternCS = cs[1] || null; + if (basePatternCS) { + basePatternCS = ColorSpace.parseToIR(basePatternCS, xref, res); + } + return ['PatternCS', basePatternCS]; + case 'Indexed': + case 'I': + var baseIndexedCS = ColorSpace.parseToIR(cs[1], xref, res); + var hiVal = xref.fetchIfRef(cs[2]) + 1; + var lookup = xref.fetchIfRef(cs[3]); + if (isStream(lookup)) { + lookup = lookup.getBytes(); + } + return ['IndexedCS', baseIndexedCS, hiVal, lookup]; + case 'Separation': + case 'DeviceN': + var name = xref.fetchIfRef(cs[1]); + numComps = 1; + if (isName(name)) { + numComps = 1; + } else if (isArray(name)) { + numComps = name.length; + } + alt = ColorSpace.parseToIR(cs[2], xref, res); + var tintFnIR = PDFFunction.getIR(xref, xref.fetchIfRef(cs[3])); + return ['AlternateCS', numComps, alt, tintFnIR]; + case 'Lab': + params = xref.fetchIfRef(cs[1]).getAll(); + return ['LabCS', params]; + default: + error('unimplemented color space object "' + mode + '"'); + } + } else { + error('unrecognized color space object: "' + cs + '"'); + } + return null; + }; + /** + * Checks if a decode map matches the default decode map for a color space. + * This handles the general decode maps where there are two values per + * component. e.g. [0, 1, 0, 1, 0, 1] for a RGB color. + * This does not handle Lab, Indexed, or Pattern decode maps since they are + * slightly different. + * @param {Array} decode Decode map (usually from an image). + * @param {Number} n Number of components the color space has. + */ + ColorSpace.isDefaultDecode = function ColorSpace_isDefaultDecode(decode, n) { + if (!isArray(decode)) { + return true; + } + + if (n * 2 !== decode.length) { + warn('The decode map is not the correct length'); + return true; + } + for (var i = 0, ii = decode.length; i < ii; i += 2) { + if (decode[i] !== 0 || decode[i + 1] !== 1) { + return false; + } + } + return true; + }; + + ColorSpace.singletons = { + get gray() { + return shadow(this, 'gray', new DeviceGrayCS()); + }, + get rgb() { + return shadow(this, 'rgb', new DeviceRgbCS()); + }, + get cmyk() { + return shadow(this, 'cmyk', new DeviceCmykCS()); + } + }; + + return ColorSpace; +})(); + +/** + * Alternate color space handles both Separation and DeviceN color spaces. A + * Separation color space is actually just a DeviceN with one color component. + * Both color spaces use a tinting function to convert colors to a base color + * space. + */ +var AlternateCS = (function AlternateCSClosure() { + function AlternateCS(numComps, base, tintFn) { + this.name = 'Alternate'; + this.numComps = numComps; + this.defaultColor = new Float32Array(numComps); + for (var i = 0; i < numComps; ++i) { + this.defaultColor[i] = 1; + } + this.base = base; + this.tintFn = tintFn; + this.tmpBuf = new Float32Array(base.numComps); + } + + AlternateCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function AlternateCS_getRgbItem(src, srcOffset, + dest, destOffset) { + var tmpBuf = this.tmpBuf; + this.tintFn(src, srcOffset, tmpBuf, 0); + this.base.getRgbItem(tmpBuf, 0, dest, destOffset); + }, + getRgbBuffer: function AlternateCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var tintFn = this.tintFn; + var base = this.base; + var scale = 1 / ((1 << bits) - 1); + var baseNumComps = base.numComps; + var usesZeroToOneRange = base.usesZeroToOneRange; + var isPassthrough = (base.isPassthrough(8) || !usesZeroToOneRange) && + alpha01 === 0; + var pos = isPassthrough ? destOffset : 0; + var baseBuf = isPassthrough ? dest : new Uint8Array(baseNumComps * count); + var numComps = this.numComps; + + var scaled = new Float32Array(numComps); + var tinted = new Float32Array(baseNumComps); + var i, j; + if (usesZeroToOneRange) { + for (i = 0; i < count; i++) { + for (j = 0; j < numComps; j++) { + scaled[j] = src[srcOffset++] * scale; + } + tintFn(scaled, 0, tinted, 0); + for (j = 0; j < baseNumComps; j++) { + baseBuf[pos++] = tinted[j] * 255; + } + } + } else { + for (i = 0; i < count; i++) { + for (j = 0; j < numComps; j++) { + scaled[j] = src[srcOffset++] * scale; + } + tintFn(scaled, 0, tinted, 0); + base.getRgbItem(tinted, 0, baseBuf, pos); + pos += baseNumComps; + } + } + if (!isPassthrough) { + base.getRgbBuffer(baseBuf, 0, count, dest, destOffset, 8, alpha01); + } + }, + getOutputLength: function AlternateCS_getOutputLength(inputLength, + alpha01) { + return this.base.getOutputLength(inputLength * + this.base.numComps / this.numComps, + alpha01); + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function AlternateCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + + return AlternateCS; +})(); + +var PatternCS = (function PatternCSClosure() { + function PatternCS(baseCS) { + this.name = 'Pattern'; + this.base = baseCS; + } + PatternCS.prototype = {}; + + return PatternCS; +})(); + +var IndexedCS = (function IndexedCSClosure() { + function IndexedCS(base, highVal, lookup) { + this.name = 'Indexed'; + this.numComps = 1; + this.defaultColor = new Uint8Array([0]); + this.base = base; + this.highVal = highVal; + + var baseNumComps = base.numComps; + var length = baseNumComps * highVal; + var lookupArray; + + if (isStream(lookup)) { + lookupArray = new Uint8Array(length); + var bytes = lookup.getBytes(length); + lookupArray.set(bytes); + } else if (isString(lookup)) { + lookupArray = new Uint8Array(length); + for (var i = 0; i < length; ++i) { + lookupArray[i] = lookup.charCodeAt(i); + } + } else if (lookup instanceof Uint8Array || lookup instanceof Array) { + lookupArray = lookup; + } else { + error('Unrecognized lookup table: ' + lookup); + } + this.lookup = lookupArray; + } + + IndexedCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function IndexedCS_getRgbItem(src, srcOffset, + dest, destOffset) { + var numComps = this.base.numComps; + var start = src[srcOffset] * numComps; + this.base.getRgbItem(this.lookup, start, dest, destOffset); + }, + getRgbBuffer: function IndexedCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var base = this.base; + var numComps = base.numComps; + var outputDelta = base.getOutputLength(numComps, alpha01); + var lookup = this.lookup; + + for (var i = 0; i < count; ++i) { + var lookupPos = src[srcOffset++] * numComps; + base.getRgbBuffer(lookup, lookupPos, 1, dest, destOffset, 8, alpha01); + destOffset += outputDelta; + } + }, + getOutputLength: function IndexedCS_getOutputLength(inputLength, alpha01) { + return this.base.getOutputLength(inputLength * this.base.numComps, + alpha01); + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function IndexedCS_isDefaultDecode(decodeMap) { + // indexed color maps shouldn't be changed + return true; + }, + usesZeroToOneRange: true + }; + return IndexedCS; +})(); + +var DeviceGrayCS = (function DeviceGrayCSClosure() { + function DeviceGrayCS() { + this.name = 'DeviceGray'; + this.numComps = 1; + this.defaultColor = new Float32Array([0]); + } + + DeviceGrayCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function DeviceGrayCS_getRgbItem(src, srcOffset, + dest, destOffset) { + var c = (src[srcOffset] * 255) | 0; + c = c < 0 ? 0 : c > 255 ? 255 : c; + dest[destOffset] = dest[destOffset + 1] = dest[destOffset + 2] = c; + }, + getRgbBuffer: function DeviceGrayCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var scale = 255 / ((1 << bits) - 1); + var j = srcOffset, q = destOffset; + for (var i = 0; i < count; ++i) { + var c = (scale * src[j++]) | 0; + dest[q++] = c; + dest[q++] = c; + dest[q++] = c; + q += alpha01; + } + }, + getOutputLength: function DeviceGrayCS_getOutputLength(inputLength, + alpha01) { + return inputLength * (3 + alpha01); + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function DeviceGrayCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return DeviceGrayCS; +})(); + +var DeviceRgbCS = (function DeviceRgbCSClosure() { + function DeviceRgbCS() { + this.name = 'DeviceRGB'; + this.numComps = 3; + this.defaultColor = new Float32Array([0, 0, 0]); + } + DeviceRgbCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function DeviceRgbCS_getRgbItem(src, srcOffset, + dest, destOffset) { + var r = (src[srcOffset] * 255) | 0; + var g = (src[srcOffset + 1] * 255) | 0; + var b = (src[srcOffset + 2] * 255) | 0; + dest[destOffset] = r < 0 ? 0 : r > 255 ? 255 : r; + dest[destOffset + 1] = g < 0 ? 0 : g > 255 ? 255 : g; + dest[destOffset + 2] = b < 0 ? 0 : b > 255 ? 255 : b; + }, + getRgbBuffer: function DeviceRgbCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + if (bits === 8 && alpha01 === 0) { + dest.set(src.subarray(srcOffset, srcOffset + count * 3), destOffset); + return; + } + var scale = 255 / ((1 << bits) - 1); + var j = srcOffset, q = destOffset; + for (var i = 0; i < count; ++i) { + dest[q++] = (scale * src[j++]) | 0; + dest[q++] = (scale * src[j++]) | 0; + dest[q++] = (scale * src[j++]) | 0; + q += alpha01; + } + }, + getOutputLength: function DeviceRgbCS_getOutputLength(inputLength, + alpha01) { + return (inputLength * (3 + alpha01) / 3) | 0; + }, + isPassthrough: function DeviceRgbCS_isPassthrough(bits) { + return bits === 8; + }, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function DeviceRgbCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return DeviceRgbCS; +})(); + +var DeviceCmykCS = (function DeviceCmykCSClosure() { + // The coefficients below was found using numerical analysis: the method of + // steepest descent for the sum((f_i - color_value_i)^2) for r/g/b colors, + // where color_value is the tabular value from the table of sampled RGB colors + // from CMYK US Web Coated (SWOP) colorspace, and f_i is the corresponding + // CMYK color conversion using the estimation below: + // f(A, B,.. N) = Acc+Bcm+Ccy+Dck+c+Fmm+Gmy+Hmk+Im+Jyy+Kyk+Ly+Mkk+Nk+255 + function convertToRgb(src, srcOffset, srcScale, dest, destOffset) { + var c = src[srcOffset + 0] * srcScale; + var m = src[srcOffset + 1] * srcScale; + var y = src[srcOffset + 2] * srcScale; + var k = src[srcOffset + 3] * srcScale; + + var r = + (c * (-4.387332384609988 * c + 54.48615194189176 * m + + 18.82290502165302 * y + 212.25662451639585 * k + + -285.2331026137004) + + m * (1.7149763477362134 * m - 5.6096736904047315 * y + + -17.873870861415444 * k - 5.497006427196366) + + y * (-2.5217340131683033 * y - 21.248923337353073 * k + + 17.5119270841813) + + k * (-21.86122147463605 * k - 189.48180835922747) + 255) | 0; + var g = + (c * (8.841041422036149 * c + 60.118027045597366 * m + + 6.871425592049007 * y + 31.159100130055922 * k + + -79.2970844816548) + + m * (-15.310361306967817 * m + 17.575251261109482 * y + + 131.35250912493976 * k - 190.9453302588951) + + y * (4.444339102852739 * y + 9.8632861493405 * k - 24.86741582555878) + + k * (-20.737325471181034 * k - 187.80453709719578) + 255) | 0; + var b = + (c * (0.8842522430003296 * c + 8.078677503112928 * m + + 30.89978309703729 * y - 0.23883238689178934 * k + + -14.183576799673286) + + m * (10.49593273432072 * m + 63.02378494754052 * y + + 50.606957656360734 * k - 112.23884253719248) + + y * (0.03296041114873217 * y + 115.60384449646641 * k + + -193.58209356861505) + + k * (-22.33816807309886 * k - 180.12613974708367) + 255) | 0; + + dest[destOffset] = r > 255 ? 255 : r < 0 ? 0 : r; + dest[destOffset + 1] = g > 255 ? 255 : g < 0 ? 0 : g; + dest[destOffset + 2] = b > 255 ? 255 : b < 0 ? 0 : b; + } + + function DeviceCmykCS() { + this.name = 'DeviceCMYK'; + this.numComps = 4; + this.defaultColor = new Float32Array([0, 0, 0, 1]); + } + DeviceCmykCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function DeviceCmykCS_getRgbItem(src, srcOffset, + dest, destOffset) { + convertToRgb(src, srcOffset, 1, dest, destOffset); + }, + getRgbBuffer: function DeviceCmykCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var scale = 1 / ((1 << bits) - 1); + for (var i = 0; i < count; i++) { + convertToRgb(src, srcOffset, scale, dest, destOffset); + srcOffset += 4; + destOffset += 3 + alpha01; + } + }, + getOutputLength: function DeviceCmykCS_getOutputLength(inputLength, + alpha01) { + return (inputLength / 4 * (3 + alpha01)) | 0; + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function DeviceCmykCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + + return DeviceCmykCS; +})(); + +// +// CalGrayCS: Based on "PDF Reference, Sixth Ed", p.245 +// +var CalGrayCS = (function CalGrayCSClosure() { + function CalGrayCS(whitePoint, blackPoint, gamma) { + this.name = 'CalGray'; + this.numComps = 1; + this.defaultColor = new Float32Array([0]); + + if (!whitePoint) { + error('WhitePoint missing - required for color space CalGray'); + } + blackPoint = blackPoint || [0, 0, 0]; + gamma = gamma || 1; + + // Translate arguments to spec variables. + this.XW = whitePoint[0]; + this.YW = whitePoint[1]; + this.ZW = whitePoint[2]; + + this.XB = blackPoint[0]; + this.YB = blackPoint[1]; + this.ZB = blackPoint[2]; + + this.G = gamma; + + // Validate variables as per spec. + if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) { + error('Invalid WhitePoint components for ' + this.name + + ', no fallback available'); + } + + if (this.XB < 0 || this.YB < 0 || this.ZB < 0) { + info('Invalid BlackPoint for ' + this.name + ', falling back to default'); + this.XB = this.YB = this.ZB = 0; + } + + if (this.XB !== 0 || this.YB !== 0 || this.ZB !== 0) { + warn(this.name + ', BlackPoint: XB: ' + this.XB + ', YB: ' + this.YB + + ', ZB: ' + this.ZB + ', only default values are supported.'); + } + + if (this.G < 1) { + info('Invalid Gamma: ' + this.G + ' for ' + this.name + + ', falling back to default'); + this.G = 1; + } + } + + function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) { + // A represents a gray component of a calibrated gray space. + // A <---> AG in the spec + var A = src[srcOffset] * scale; + var AG = Math.pow(A, cs.G); + + // Computes L as per spec. ( = cs.YW * AG ) + // Except if other than default BlackPoint values are used. + var L = cs.YW * AG; + // http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html, Ch 4. + // Convert values to rgb range [0, 255]. + var val = Math.max(295.8 * Math.pow(L, 0.333333333333333333) - 40.8, 0) | 0; + dest[destOffset] = val; + dest[destOffset + 1] = val; + dest[destOffset + 2] = val; + } + + CalGrayCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function CalGrayCS_getRgbItem(src, srcOffset, + dest, destOffset) { + convertToRgb(this, src, srcOffset, dest, destOffset, 1); + }, + getRgbBuffer: function CalGrayCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var scale = 1 / ((1 << bits) - 1); + + for (var i = 0; i < count; ++i) { + convertToRgb(this, src, srcOffset, dest, destOffset, scale); + srcOffset += 1; + destOffset += 3 + alpha01; + } + }, + getOutputLength: function CalGrayCS_getOutputLength(inputLength, alpha01) { + return inputLength * (3 + alpha01); + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function CalGrayCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return CalGrayCS; +})(); + +// +// CalRGBCS: Based on "PDF Reference, Sixth Ed", p.247 +// +var CalRGBCS = (function CalRGBCSClosure() { + + // See http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html for these + // matrices. + var BRADFORD_SCALE_MATRIX = new Float32Array([ + 0.8951, 0.2664, -0.1614, + -0.7502, 1.7135, 0.0367, + 0.0389, -0.0685, 1.0296]); + + var BRADFORD_SCALE_INVERSE_MATRIX = new Float32Array([ + 0.9869929, -0.1470543, 0.1599627, + 0.4323053, 0.5183603, 0.0492912, + -0.0085287, 0.0400428, 0.9684867]); + + // See http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html. + var SRGB_D65_XYZ_TO_RGB_MATRIX = new Float32Array([ + 3.2404542, -1.5371385, -0.4985314, + -0.9692660, 1.8760108, 0.0415560, + 0.0556434, -0.2040259, 1.0572252]); + + var FLAT_WHITEPOINT_MATRIX = new Float32Array([1, 1, 1]); + + var tempNormalizeMatrix = new Float32Array(3); + var tempConvertMatrix1 = new Float32Array(3); + var tempConvertMatrix2 = new Float32Array(3); + + var DECODE_L_CONSTANT = Math.pow(((8 + 16) / 116), 3) / 8.0; + + function CalRGBCS(whitePoint, blackPoint, gamma, matrix) { + this.name = 'CalRGB'; + this.numComps = 3; + this.defaultColor = new Float32Array(3); + + if (!whitePoint) { + error('WhitePoint missing - required for color space CalRGB'); + } + blackPoint = blackPoint || new Float32Array(3); + gamma = gamma || new Float32Array([1, 1, 1]); + matrix = matrix || new Float32Array([1, 0, 0, 0, 1, 0, 0, 0, 1]); + + // Translate arguments to spec variables. + var XW = whitePoint[0]; + var YW = whitePoint[1]; + var ZW = whitePoint[2]; + this.whitePoint = whitePoint; + + var XB = blackPoint[0]; + var YB = blackPoint[1]; + var ZB = blackPoint[2]; + this.blackPoint = blackPoint; + + this.GR = gamma[0]; + this.GG = gamma[1]; + this.GB = gamma[2]; + + this.MXA = matrix[0]; + this.MYA = matrix[1]; + this.MZA = matrix[2]; + this.MXB = matrix[3]; + this.MYB = matrix[4]; + this.MZB = matrix[5]; + this.MXC = matrix[6]; + this.MYC = matrix[7]; + this.MZC = matrix[8]; + + // Validate variables as per spec. + if (XW < 0 || ZW < 0 || YW !== 1) { + error('Invalid WhitePoint components for ' + this.name + + ', no fallback available'); + } + + if (XB < 0 || YB < 0 || ZB < 0) { + info('Invalid BlackPoint for ' + this.name + ' [' + XB + ', ' + YB + + ', ' + ZB + '], falling back to default'); + this.blackPoint = new Float32Array(3); + } + + if (this.GR < 0 || this.GG < 0 || this.GB < 0) { + info('Invalid Gamma [' + this.GR + ', ' + this.GG + ', ' + this.GB + + '] for ' + this.name + ', falling back to default'); + this.GR = this.GG = this.GB = 1; + } + + if (this.MXA < 0 || this.MYA < 0 || this.MZA < 0 || + this.MXB < 0 || this.MYB < 0 || this.MZB < 0 || + this.MXC < 0 || this.MYC < 0 || this.MZC < 0) { + info('Invalid Matrix for ' + this.name + ' [' + + this.MXA + ', ' + this.MYA + ', ' + this.MZA + + this.MXB + ', ' + this.MYB + ', ' + this.MZB + + this.MXC + ', ' + this.MYC + ', ' + this.MZC + + '], falling back to default'); + this.MXA = this.MYB = this.MZC = 1; + this.MXB = this.MYA = this.MZA = this.MXC = this.MYC = this.MZB = 0; + } + } + + function matrixProduct(a, b, result) { + result[0] = a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; + result[1] = a[3] * b[0] + a[4] * b[1] + a[5] * b[2]; + result[2] = a[6] * b[0] + a[7] * b[1] + a[8] * b[2]; + } + + function convertToFlat(sourceWhitePoint, LMS, result) { + result[0] = LMS[0] * 1 / sourceWhitePoint[0]; + result[1] = LMS[1] * 1 / sourceWhitePoint[1]; + result[2] = LMS[2] * 1 / sourceWhitePoint[2]; + } + + function convertToD65(sourceWhitePoint, LMS, result) { + var D65X = 0.95047; + var D65Y = 1; + var D65Z = 1.08883; + + result[0] = LMS[0] * D65X / sourceWhitePoint[0]; + result[1] = LMS[1] * D65Y / sourceWhitePoint[1]; + result[2] = LMS[2] * D65Z / sourceWhitePoint[2]; + } + + function sRGBTransferFunction(color) { + // See http://en.wikipedia.org/wiki/SRGB. + if (color <= 0.0031308){ + return adjustToRange(0, 1, 12.92 * color); + } + + return adjustToRange(0, 1, (1 + 0.055) * Math.pow(color, 1 / 2.4) - 0.055); + } + + function adjustToRange(min, max, value) { + return Math.max(min, Math.min(max, value)); + } + + function decodeL(L) { + if (L < 0) { + return -decodeL(-L); + } + + if (L > 8.0) { + return Math.pow(((L + 16) / 116), 3); + } + + return L * DECODE_L_CONSTANT; + } + + function compensateBlackPoint(sourceBlackPoint, XYZ_Flat, result) { + + // In case the blackPoint is already the default blackPoint then there is + // no need to do compensation. + if (sourceBlackPoint[0] === 0 && + sourceBlackPoint[1] === 0 && + sourceBlackPoint[2] === 0) { + result[0] = XYZ_Flat[0]; + result[1] = XYZ_Flat[1]; + result[2] = XYZ_Flat[2]; + return; + } + + // For the blackPoint calculation details, please see + // http://www.adobe.com/content/dam/Adobe/en/devnet/photoshop/sdk/ + // AdobeBPC.pdf. + // The destination blackPoint is the default blackPoint [0, 0, 0]. + var zeroDecodeL = decodeL(0); + + var X_DST = zeroDecodeL; + var X_SRC = decodeL(sourceBlackPoint[0]); + + var Y_DST = zeroDecodeL; + var Y_SRC = decodeL(sourceBlackPoint[1]); + + var Z_DST = zeroDecodeL; + var Z_SRC = decodeL(sourceBlackPoint[2]); + + var X_Scale = (1 - X_DST) / (1 - X_SRC); + var X_Offset = 1 - X_Scale; + + var Y_Scale = (1 - Y_DST) / (1 - Y_SRC); + var Y_Offset = 1 - Y_Scale; + + var Z_Scale = (1 - Z_DST) / (1 - Z_SRC); + var Z_Offset = 1 - Z_Scale; + + result[0] = XYZ_Flat[0] * X_Scale + X_Offset; + result[1] = XYZ_Flat[1] * Y_Scale + Y_Offset; + result[2] = XYZ_Flat[2] * Z_Scale + Z_Offset; + } + + function normalizeWhitePointToFlat(sourceWhitePoint, XYZ_In, result) { + + // In case the whitePoint is already flat then there is no need to do + // normalization. + if (sourceWhitePoint[0] === 1 && sourceWhitePoint[2] === 1) { + result[0] = XYZ_In[0]; + result[1] = XYZ_In[1]; + result[2] = XYZ_In[2]; + return; + } + + var LMS = result; + matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS); + + var LMS_Flat = tempNormalizeMatrix; + convertToFlat(sourceWhitePoint, LMS, LMS_Flat); + + matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_Flat, result); + } + + function normalizeWhitePointToD65(sourceWhitePoint, XYZ_In, result) { + + var LMS = result; + matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS); + + var LMS_D65 = tempNormalizeMatrix; + convertToD65(sourceWhitePoint, LMS, LMS_D65); + + matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_D65, result); + } + + function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) { + // A, B and C represent a red, green and blue components of a calibrated + // rgb space. + var A = adjustToRange(0, 1, src[srcOffset] * scale); + var B = adjustToRange(0, 1, src[srcOffset + 1] * scale); + var C = adjustToRange(0, 1, src[srcOffset + 2] * scale); + + // A <---> AGR in the spec + // B <---> BGG in the spec + // C <---> CGB in the spec + var AGR = Math.pow(A, cs.GR); + var BGG = Math.pow(B, cs.GG); + var CGB = Math.pow(C, cs.GB); + + // Computes intermediate variables L, M, N as per spec. + // To decode X, Y, Z values map L, M, N directly to them. + var X = cs.MXA * AGR + cs.MXB * BGG + cs.MXC * CGB; + var Y = cs.MYA * AGR + cs.MYB * BGG + cs.MYC * CGB; + var Z = cs.MZA * AGR + cs.MZB * BGG + cs.MZC * CGB; + + // The following calculations are based on this document: + // http://www.adobe.com/content/dam/Adobe/en/devnet/photoshop/sdk/ + // AdobeBPC.pdf. + var XYZ = tempConvertMatrix1; + XYZ[0] = X; + XYZ[1] = Y; + XYZ[2] = Z; + var XYZ_Flat = tempConvertMatrix2; + + normalizeWhitePointToFlat(cs.whitePoint, XYZ, XYZ_Flat); + + var XYZ_Black = tempConvertMatrix1; + compensateBlackPoint(cs.blackPoint, XYZ_Flat, XYZ_Black); + + var XYZ_D65 = tempConvertMatrix2; + normalizeWhitePointToD65(FLAT_WHITEPOINT_MATRIX, XYZ_Black, XYZ_D65); + + var SRGB = tempConvertMatrix1; + matrixProduct(SRGB_D65_XYZ_TO_RGB_MATRIX, XYZ_D65, SRGB); + + var sR = sRGBTransferFunction(SRGB[0]); + var sG = sRGBTransferFunction(SRGB[1]); + var sB = sRGBTransferFunction(SRGB[2]); + + // Convert the values to rgb range [0, 255]. + dest[destOffset] = Math.round(sR * 255); + dest[destOffset + 1] = Math.round(sG * 255); + dest[destOffset + 2] = Math.round(sB * 255); + } + + CalRGBCS.prototype = { + getRgb: function CalRGBCS_getRgb(src, srcOffset) { + var rgb = new Uint8Array(3); + this.getRgbItem(src, srcOffset, rgb, 0); + return rgb; + }, + getRgbItem: function CalRGBCS_getRgbItem(src, srcOffset, + dest, destOffset) { + convertToRgb(this, src, srcOffset, dest, destOffset, 1); + }, + getRgbBuffer: function CalRGBCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var scale = 1 / ((1 << bits) - 1); + + for (var i = 0; i < count; ++i) { + convertToRgb(this, src, srcOffset, dest, destOffset, scale); + srcOffset += 3; + destOffset += 3 + alpha01; + } + }, + getOutputLength: function CalRGBCS_getOutputLength(inputLength, alpha01) { + return (inputLength * (3 + alpha01) / 3) | 0; + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function CalRGBCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return CalRGBCS; +})(); + +// +// LabCS: Based on "PDF Reference, Sixth Ed", p.250 +// +var LabCS = (function LabCSClosure() { + function LabCS(whitePoint, blackPoint, range) { + this.name = 'Lab'; + this.numComps = 3; + this.defaultColor = new Float32Array([0, 0, 0]); + + if (!whitePoint) { + error('WhitePoint missing - required for color space Lab'); + } + blackPoint = blackPoint || [0, 0, 0]; + range = range || [-100, 100, -100, 100]; + + // Translate args to spec variables + this.XW = whitePoint[0]; + this.YW = whitePoint[1]; + this.ZW = whitePoint[2]; + this.amin = range[0]; + this.amax = range[1]; + this.bmin = range[2]; + this.bmax = range[3]; + + // These are here just for completeness - the spec doesn't offer any + // formulas that use BlackPoint in Lab + this.XB = blackPoint[0]; + this.YB = blackPoint[1]; + this.ZB = blackPoint[2]; + + // Validate vars as per spec + if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) { + error('Invalid WhitePoint components, no fallback available'); + } + + if (this.XB < 0 || this.YB < 0 || this.ZB < 0) { + info('Invalid BlackPoint, falling back to default'); + this.XB = this.YB = this.ZB = 0; + } + + if (this.amin > this.amax || this.bmin > this.bmax) { + info('Invalid Range, falling back to defaults'); + this.amin = -100; + this.amax = 100; + this.bmin = -100; + this.bmax = 100; + } + } + + // Function g(x) from spec + function fn_g(x) { + if (x >= 6 / 29) { + return x * x * x; + } else { + return (108 / 841) * (x - 4 / 29); + } + } + + function decode(value, high1, low2, high2) { + return low2 + (value) * (high2 - low2) / (high1); + } + + // If decoding is needed maxVal should be 2^bits per component - 1. + function convertToRgb(cs, src, srcOffset, maxVal, dest, destOffset) { + // XXX: Lab input is in the range of [0, 100], [amin, amax], [bmin, bmax] + // not the usual [0, 1]. If a command like setFillColor is used the src + // values will already be within the correct range. However, if we are + // converting an image we have to map the values to the correct range given + // above. + // Ls,as,bs <---> L*,a*,b* in the spec + var Ls = src[srcOffset]; + var as = src[srcOffset + 1]; + var bs = src[srcOffset + 2]; + if (maxVal !== false) { + Ls = decode(Ls, maxVal, 0, 100); + as = decode(as, maxVal, cs.amin, cs.amax); + bs = decode(bs, maxVal, cs.bmin, cs.bmax); + } + + // Adjust limits of 'as' and 'bs' + as = as > cs.amax ? cs.amax : as < cs.amin ? cs.amin : as; + bs = bs > cs.bmax ? cs.bmax : bs < cs.bmin ? cs.bmin : bs; + + // Computes intermediate variables X,Y,Z as per spec + var M = (Ls + 16) / 116; + var L = M + (as / 500); + var N = M - (bs / 200); + + var X = cs.XW * fn_g(L); + var Y = cs.YW * fn_g(M); + var Z = cs.ZW * fn_g(N); + + var r, g, b; + // Using different conversions for D50 and D65 white points, + // per http://www.color.org/srgb.pdf + if (cs.ZW < 1) { + // Assuming D50 (X=0.9642, Y=1.00, Z=0.8249) + r = X * 3.1339 + Y * -1.6170 + Z * -0.4906; + g = X * -0.9785 + Y * 1.9160 + Z * 0.0333; + b = X * 0.0720 + Y * -0.2290 + Z * 1.4057; + } else { + // Assuming D65 (X=0.9505, Y=1.00, Z=1.0888) + r = X * 3.2406 + Y * -1.5372 + Z * -0.4986; + g = X * -0.9689 + Y * 1.8758 + Z * 0.0415; + b = X * 0.0557 + Y * -0.2040 + Z * 1.0570; + } + // clamp color values to [0,1] range then convert to [0,255] range. + dest[destOffset] = r <= 0 ? 0 : r >= 1 ? 255 : Math.sqrt(r) * 255 | 0; + dest[destOffset + 1] = g <= 0 ? 0 : g >= 1 ? 255 : Math.sqrt(g) * 255 | 0; + dest[destOffset + 2] = b <= 0 ? 0 : b >= 1 ? 255 : Math.sqrt(b) * 255 | 0; + } + + LabCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function LabCS_getRgbItem(src, srcOffset, dest, destOffset) { + convertToRgb(this, src, srcOffset, false, dest, destOffset); + }, + getRgbBuffer: function LabCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var maxVal = (1 << bits) - 1; + for (var i = 0; i < count; i++) { + convertToRgb(this, src, srcOffset, maxVal, dest, destOffset); + srcOffset += 3; + destOffset += 3 + alpha01; + } + }, + getOutputLength: function LabCS_getOutputLength(inputLength, alpha01) { + return (inputLength * (3 + alpha01) / 3) | 0; + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function LabCS_isDefaultDecode(decodeMap) { + // XXX: Decoding is handled with the lab conversion because of the strange + // ranges that are used. + return true; + }, + usesZeroToOneRange: false + }; + return LabCS; +})(); + +// TODO refactor to remove dependency on image.js +function _setCoreImage(coreImage_) { + coreImage = coreImage_; + PDFImage = coreImage_.PDFImage; +} +exports._setCoreImage = _setCoreImage; + +exports.ColorSpace = ColorSpace; + +// TODO refactor to remove dependency on colorspace.js +coreStream._setCoreColorSpace(exports); +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreImage = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreColorSpace, root.pdfjsCoreStream, + root.pdfjsCoreJpx); + } +}(this, function (exports, sharedUtil, corePrimitives, coreColorSpace, + coreStream, coreJpx) { + +var ImageKind = sharedUtil.ImageKind; +var assert = sharedUtil.assert; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var warn = sharedUtil.warn; +var Name = corePrimitives.Name; +var isStream = corePrimitives.isStream; +var ColorSpace = coreColorSpace.ColorSpace; +var DecodeStream = coreStream.DecodeStream; +var Stream = coreStream.Stream; +var JpegStream = coreStream.JpegStream; +var JpxImage = coreJpx.JpxImage; + +var PDFImage = (function PDFImageClosure() { + /** + * Decode the image in the main thread if it supported. Resovles the promise + * when the image data is ready. + */ + function handleImageData(handler, xref, res, image) { + if (image instanceof JpegStream && image.isNativelyDecodable(xref, res)) { + // For natively supported jpegs send them to the main thread for decoding. + var dict = image.dict; + var colorSpace = dict.get('ColorSpace', 'CS'); + colorSpace = ColorSpace.parse(colorSpace, xref, res); + var numComps = colorSpace.numComps; + var decodePromise = handler.sendWithPromise('JpegDecode', + [image.getIR(), numComps]); + return decodePromise.then(function (message) { + var data = message.data; + return new Stream(data, 0, data.length, image.dict); + }); + } else { + return Promise.resolve(image); + } + } + + /** + * Decode and clamp a value. The formula is different from the spec because we + * don't decode to float range [0,1], we decode it in the [0,max] range. + */ + function decodeAndClamp(value, addend, coefficient, max) { + value = addend + value * coefficient; + // Clamp the value to the range + return (value < 0 ? 0 : (value > max ? max : value)); + } + + function PDFImage(xref, res, image, inline, smask, mask, isMask) { + this.image = image; + var dict = image.dict; + if (dict.has('Filter')) { + var filter = dict.get('Filter').name; + if (filter === 'JPXDecode') { + var jpxImage = new JpxImage(); + jpxImage.parseImageProperties(image.stream); + image.stream.reset(); + image.bitsPerComponent = jpxImage.bitsPerComponent; + image.numComps = jpxImage.componentsCount; + } else if (filter === 'JBIG2Decode') { + image.bitsPerComponent = 1; + image.numComps = 1; + } + } + // TODO cache rendered images? + + this.width = dict.get('Width', 'W'); + this.height = dict.get('Height', 'H'); + + if (this.width < 1 || this.height < 1) { + error('Invalid image width: ' + this.width + ' or height: ' + + this.height); + } + + this.interpolate = dict.get('Interpolate', 'I') || false; + this.imageMask = dict.get('ImageMask', 'IM') || false; + this.matte = dict.get('Matte') || false; + + var bitsPerComponent = image.bitsPerComponent; + if (!bitsPerComponent) { + bitsPerComponent = dict.get('BitsPerComponent', 'BPC'); + if (!bitsPerComponent) { + if (this.imageMask) { + bitsPerComponent = 1; + } else { + error('Bits per component missing in image: ' + this.imageMask); + } + } + } + this.bpc = bitsPerComponent; + + if (!this.imageMask) { + var colorSpace = dict.get('ColorSpace', 'CS'); + if (!colorSpace) { + info('JPX images (which do not require color spaces)'); + switch (image.numComps) { + case 1: + colorSpace = Name.get('DeviceGray'); + break; + case 3: + colorSpace = Name.get('DeviceRGB'); + break; + case 4: + colorSpace = Name.get('DeviceCMYK'); + break; + default: + error('JPX images with ' + this.numComps + + ' color components not supported.'); + } + } + this.colorSpace = ColorSpace.parse(colorSpace, xref, res); + this.numComps = this.colorSpace.numComps; + } + + this.decode = dict.get('Decode', 'D'); + this.needsDecode = false; + if (this.decode && + ((this.colorSpace && !this.colorSpace.isDefaultDecode(this.decode)) || + (isMask && !ColorSpace.isDefaultDecode(this.decode, 1)))) { + this.needsDecode = true; + // Do some preprocessing to avoid more math. + var max = (1 << bitsPerComponent) - 1; + this.decodeCoefficients = []; + this.decodeAddends = []; + for (var i = 0, j = 0; i < this.decode.length; i += 2, ++j) { + var dmin = this.decode[i]; + var dmax = this.decode[i + 1]; + this.decodeCoefficients[j] = dmax - dmin; + this.decodeAddends[j] = max * dmin; + } + } + + if (smask) { + this.smask = new PDFImage(xref, res, smask, false); + } else if (mask) { + if (isStream(mask)) { + var maskDict = mask.dict, imageMask = maskDict.get('ImageMask', 'IM'); + if (!imageMask) { + warn('Ignoring /Mask in image without /ImageMask.'); + } else { + this.mask = new PDFImage(xref, res, mask, false, null, null, true); + } + } else { + // Color key mask (just an array). + this.mask = mask; + } + } + } + /** + * Handles processing of image data and returns the Promise that is resolved + * with a PDFImage when the image is ready to be used. + */ + PDFImage.buildImage = function PDFImage_buildImage(handler, xref, + res, image, inline) { + var imagePromise = handleImageData(handler, xref, res, image); + var smaskPromise; + var maskPromise; + + var smask = image.dict.get('SMask'); + var mask = image.dict.get('Mask'); + + if (smask) { + smaskPromise = handleImageData(handler, xref, res, smask); + maskPromise = Promise.resolve(null); + } else { + smaskPromise = Promise.resolve(null); + if (mask) { + if (isStream(mask)) { + maskPromise = handleImageData(handler, xref, res, mask); + } else if (isArray(mask)) { + maskPromise = Promise.resolve(mask); + } else { + warn('Unsupported mask format.'); + maskPromise = Promise.resolve(null); + } + } else { + maskPromise = Promise.resolve(null); + } + } + return Promise.all([imagePromise, smaskPromise, maskPromise]).then( + function(results) { + var imageData = results[0]; + var smaskData = results[1]; + var maskData = results[2]; + return new PDFImage(xref, res, imageData, inline, smaskData, maskData); + }); + }; + + /** + * Resize an image using the nearest neighbor algorithm. Currently only + * supports one and three component images. + * @param {TypedArray} pixels The original image with one component. + * @param {Number} bpc Number of bits per component. + * @param {Number} components Number of color components, 1 or 3 is supported. + * @param {Number} w1 Original width. + * @param {Number} h1 Original height. + * @param {Number} w2 New width. + * @param {Number} h2 New height. + * @param {TypedArray} dest (Optional) The destination buffer. + * @param {Number} alpha01 (Optional) Size reserved for the alpha channel. + * @return {TypedArray} Resized image data. + */ + PDFImage.resize = function PDFImage_resize(pixels, bpc, components, + w1, h1, w2, h2, dest, alpha01) { + + if (components !== 1 && components !== 3) { + error('Unsupported component count for resizing.'); + } + + var length = w2 * h2 * components; + var temp = dest ? dest : (bpc <= 8 ? new Uint8Array(length) : + (bpc <= 16 ? new Uint16Array(length) : new Uint32Array(length))); + var xRatio = w1 / w2; + var yRatio = h1 / h2; + var i, j, py, newIndex = 0, oldIndex; + var xScaled = new Uint16Array(w2); + var w1Scanline = w1 * components; + if (alpha01 !== 1) { + alpha01 = 0; + } + + for (j = 0; j < w2; j++) { + xScaled[j] = Math.floor(j * xRatio) * components; + } + + if (components === 1) { + for (i = 0; i < h2; i++) { + py = Math.floor(i * yRatio) * w1Scanline; + for (j = 0; j < w2; j++) { + oldIndex = py + xScaled[j]; + temp[newIndex++] = pixels[oldIndex]; + } + } + } else if (components === 3) { + for (i = 0; i < h2; i++) { + py = Math.floor(i * yRatio) * w1Scanline; + for (j = 0; j < w2; j++) { + oldIndex = py + xScaled[j]; + temp[newIndex++] = pixels[oldIndex++]; + temp[newIndex++] = pixels[oldIndex++]; + temp[newIndex++] = pixels[oldIndex++]; + newIndex += alpha01; + } + } + } + return temp; + }; + + PDFImage.createMask = + function PDFImage_createMask(imgArray, width, height, + imageIsFromDecodeStream, inverseDecode) { + + // |imgArray| might not contain full data for every pixel of the mask, so + // we need to distinguish between |computedLength| and |actualLength|. + // In particular, if inverseDecode is true, then the array we return must + // have a length of |computedLength|. + + var computedLength = ((width + 7) >> 3) * height; + var actualLength = imgArray.byteLength; + var haveFullData = computedLength === actualLength; + var data, i; + + if (imageIsFromDecodeStream && (!inverseDecode || haveFullData)) { + // imgArray came from a DecodeStream and its data is in an appropriate + // form, so we can just transfer it. + data = imgArray; + } else if (!inverseDecode) { + data = new Uint8Array(actualLength); + data.set(imgArray); + } else { + data = new Uint8Array(computedLength); + data.set(imgArray); + for (i = actualLength; i < computedLength; i++) { + data[i] = 0xff; + } + } + + // If necessary, invert the original mask data (but not any extra we might + // have added above). It's safe to modify the array -- whether it's the + // original or a copy, we're about to transfer it anyway, so nothing else + // in this thread can be relying on its contents. + if (inverseDecode) { + for (i = 0; i < actualLength; i++) { + data[i] = ~data[i]; + } + } + + return {data: data, width: width, height: height}; + }; + + PDFImage.prototype = { + get drawWidth() { + return Math.max(this.width, + this.smask && this.smask.width || 0, + this.mask && this.mask.width || 0); + }, + + get drawHeight() { + return Math.max(this.height, + this.smask && this.smask.height || 0, + this.mask && this.mask.height || 0); + }, + + decodeBuffer: function PDFImage_decodeBuffer(buffer) { + var bpc = this.bpc; + var numComps = this.numComps; + + var decodeAddends = this.decodeAddends; + var decodeCoefficients = this.decodeCoefficients; + var max = (1 << bpc) - 1; + var i, ii; + + if (bpc === 1) { + // If the buffer needed decode that means it just needs to be inverted. + for (i = 0, ii = buffer.length; i < ii; i++) { + buffer[i] = +!(buffer[i]); + } + return; + } + var index = 0; + for (i = 0, ii = this.width * this.height; i < ii; i++) { + for (var j = 0; j < numComps; j++) { + buffer[index] = decodeAndClamp(buffer[index], decodeAddends[j], + decodeCoefficients[j], max); + index++; + } + } + }, + + getComponents: function PDFImage_getComponents(buffer) { + var bpc = this.bpc; + + // This image doesn't require any extra work. + if (bpc === 8) { + return buffer; + } + + var width = this.width; + var height = this.height; + var numComps = this.numComps; + + var length = width * height * numComps; + var bufferPos = 0; + var output = (bpc <= 8 ? new Uint8Array(length) : + (bpc <= 16 ? new Uint16Array(length) : new Uint32Array(length))); + var rowComps = width * numComps; + + var max = (1 << bpc) - 1; + var i = 0, ii, buf; + + if (bpc === 1) { + // Optimization for reading 1 bpc images. + var mask, loop1End, loop2End; + for (var j = 0; j < height; j++) { + loop1End = i + (rowComps & ~7); + loop2End = i + rowComps; + + // unroll loop for all full bytes + while (i < loop1End) { + buf = buffer[bufferPos++]; + output[i] = (buf >> 7) & 1; + output[i + 1] = (buf >> 6) & 1; + output[i + 2] = (buf >> 5) & 1; + output[i + 3] = (buf >> 4) & 1; + output[i + 4] = (buf >> 3) & 1; + output[i + 5] = (buf >> 2) & 1; + output[i + 6] = (buf >> 1) & 1; + output[i + 7] = buf & 1; + i += 8; + } + + // handle remaing bits + if (i < loop2End) { + buf = buffer[bufferPos++]; + mask = 128; + while (i < loop2End) { + output[i++] = +!!(buf & mask); + mask >>= 1; + } + } + } + } else { + // The general case that handles all other bpc values. + var bits = 0; + buf = 0; + for (i = 0, ii = length; i < ii; ++i) { + if (i % rowComps === 0) { + buf = 0; + bits = 0; + } + + while (bits < bpc) { + buf = (buf << 8) | buffer[bufferPos++]; + bits += 8; + } + + var remainingBits = bits - bpc; + var value = buf >> remainingBits; + output[i] = (value < 0 ? 0 : (value > max ? max : value)); + buf = buf & ((1 << remainingBits) - 1); + bits = remainingBits; + } + } + return output; + }, + + fillOpacity: function PDFImage_fillOpacity(rgbaBuf, width, height, + actualHeight, image) { + var smask = this.smask; + var mask = this.mask; + var alphaBuf, sw, sh, i, ii, j; + + if (smask) { + sw = smask.width; + sh = smask.height; + alphaBuf = new Uint8Array(sw * sh); + smask.fillGrayBuffer(alphaBuf); + if (sw !== width || sh !== height) { + alphaBuf = PDFImage.resize(alphaBuf, smask.bpc, 1, sw, sh, width, + height); + } + } else if (mask) { + if (mask instanceof PDFImage) { + sw = mask.width; + sh = mask.height; + alphaBuf = new Uint8Array(sw * sh); + mask.numComps = 1; + mask.fillGrayBuffer(alphaBuf); + + // Need to invert values in rgbaBuf + for (i = 0, ii = sw * sh; i < ii; ++i) { + alphaBuf[i] = 255 - alphaBuf[i]; + } + + if (sw !== width || sh !== height) { + alphaBuf = PDFImage.resize(alphaBuf, mask.bpc, 1, sw, sh, width, + height); + } + } else if (isArray(mask)) { + // Color key mask: if any of the compontents are outside the range + // then they should be painted. + alphaBuf = new Uint8Array(width * height); + var numComps = this.numComps; + for (i = 0, ii = width * height; i < ii; ++i) { + var opacity = 0; + var imageOffset = i * numComps; + for (j = 0; j < numComps; ++j) { + var color = image[imageOffset + j]; + var maskOffset = j * 2; + if (color < mask[maskOffset] || color > mask[maskOffset + 1]) { + opacity = 255; + break; + } + } + alphaBuf[i] = opacity; + } + } else { + error('Unknown mask format.'); + } + } + + if (alphaBuf) { + for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) { + rgbaBuf[j] = alphaBuf[i]; + } + } else { + // No mask. + for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) { + rgbaBuf[j] = 255; + } + } + }, + + undoPreblend: function PDFImage_undoPreblend(buffer, width, height) { + var matte = this.smask && this.smask.matte; + if (!matte) { + return; + } + var matteRgb = this.colorSpace.getRgb(matte, 0); + var matteR = matteRgb[0]; + var matteG = matteRgb[1]; + var matteB = matteRgb[2]; + var length = width * height * 4; + var r, g, b; + for (var i = 0; i < length; i += 4) { + var alpha = buffer[i + 3]; + if (alpha === 0) { + // according formula we have to get Infinity in all components + // making it white (typical paper color) should be okay + buffer[i] = 255; + buffer[i + 1] = 255; + buffer[i + 2] = 255; + continue; + } + var k = 255 / alpha; + r = (buffer[i] - matteR) * k + matteR; + g = (buffer[i + 1] - matteG) * k + matteG; + b = (buffer[i + 2] - matteB) * k + matteB; + buffer[i] = r <= 0 ? 0 : r >= 255 ? 255 : r | 0; + buffer[i + 1] = g <= 0 ? 0 : g >= 255 ? 255 : g | 0; + buffer[i + 2] = b <= 0 ? 0 : b >= 255 ? 255 : b | 0; + } + }, + + createImageData: function PDFImage_createImageData(forceRGBA) { + var drawWidth = this.drawWidth; + var drawHeight = this.drawHeight; + var imgData = { // other fields are filled in below + width: drawWidth, + height: drawHeight + }; + + var numComps = this.numComps; + var originalWidth = this.width; + var originalHeight = this.height; + var bpc = this.bpc; + + // Rows start at byte boundary. + var rowBytes = (originalWidth * numComps * bpc + 7) >> 3; + var imgArray; + + if (!forceRGBA) { + // If it is a 1-bit-per-pixel grayscale (i.e. black-and-white) image + // without any complications, we pass a same-sized copy to the main + // thread rather than expanding by 32x to RGBA form. This saves *lots* + // of memory for many scanned documents. It's also much faster. + // + // Similarly, if it is a 24-bit-per pixel RGB image without any + // complications, we avoid expanding by 1.333x to RGBA form. + var kind; + if (this.colorSpace.name === 'DeviceGray' && bpc === 1) { + kind = ImageKind.GRAYSCALE_1BPP; + } else if (this.colorSpace.name === 'DeviceRGB' && bpc === 8 && + !this.needsDecode) { + kind = ImageKind.RGB_24BPP; + } + if (kind && !this.smask && !this.mask && + drawWidth === originalWidth && drawHeight === originalHeight) { + imgData.kind = kind; + + imgArray = this.getImageBytes(originalHeight * rowBytes); + // If imgArray came from a DecodeStream, we're safe to transfer it + // (and thus neuter it) because it will constitute the entire + // DecodeStream's data. But if it came from a Stream, we need to + // copy it because it'll only be a portion of the Stream's data, and + // the rest will be read later on. + if (this.image instanceof DecodeStream) { + imgData.data = imgArray; + } else { + var newArray = new Uint8Array(imgArray.length); + newArray.set(imgArray); + imgData.data = newArray; + } + if (this.needsDecode) { + // Invert the buffer (which must be grayscale if we reached here). + assert(kind === ImageKind.GRAYSCALE_1BPP); + var buffer = imgData.data; + for (var i = 0, ii = buffer.length; i < ii; i++) { + buffer[i] ^= 0xff; + } + } + return imgData; + } + if (this.image instanceof JpegStream && !this.smask && !this.mask && + (this.colorSpace.name === 'DeviceGray' || + this.colorSpace.name === 'DeviceRGB' || + this.colorSpace.name === 'DeviceCMYK')) { + imgData.kind = ImageKind.RGB_24BPP; + imgData.data = this.getImageBytes(originalHeight * rowBytes, + drawWidth, drawHeight, true); + return imgData; + } + } + + imgArray = this.getImageBytes(originalHeight * rowBytes); + // imgArray can be incomplete (e.g. after CCITT fax encoding). + var actualHeight = 0 | (imgArray.length / rowBytes * + drawHeight / originalHeight); + + var comps = this.getComponents(imgArray); + + // If opacity data is present, use RGBA_32BPP form. Otherwise, use the + // more compact RGB_24BPP form if allowable. + var alpha01, maybeUndoPreblend; + if (!forceRGBA && !this.smask && !this.mask) { + imgData.kind = ImageKind.RGB_24BPP; + imgData.data = new Uint8Array(drawWidth * drawHeight * 3); + alpha01 = 0; + maybeUndoPreblend = false; + } else { + imgData.kind = ImageKind.RGBA_32BPP; + imgData.data = new Uint8Array(drawWidth * drawHeight * 4); + alpha01 = 1; + maybeUndoPreblend = true; + + // Color key masking (opacity) must be performed before decoding. + this.fillOpacity(imgData.data, drawWidth, drawHeight, actualHeight, + comps); + } + + if (this.needsDecode) { + this.decodeBuffer(comps); + } + this.colorSpace.fillRgb(imgData.data, originalWidth, originalHeight, + drawWidth, drawHeight, actualHeight, bpc, comps, + alpha01); + if (maybeUndoPreblend) { + this.undoPreblend(imgData.data, drawWidth, actualHeight); + } + + return imgData; + }, + + fillGrayBuffer: function PDFImage_fillGrayBuffer(buffer) { + var numComps = this.numComps; + if (numComps !== 1) { + error('Reading gray scale from a color image: ' + numComps); + } + + var width = this.width; + var height = this.height; + var bpc = this.bpc; + + // rows start at byte boundary + var rowBytes = (width * numComps * bpc + 7) >> 3; + var imgArray = this.getImageBytes(height * rowBytes); + + var comps = this.getComponents(imgArray); + var i, length; + + if (bpc === 1) { + // inline decoding (= inversion) for 1 bpc images + length = width * height; + if (this.needsDecode) { + // invert and scale to {0, 255} + for (i = 0; i < length; ++i) { + buffer[i] = (comps[i] - 1) & 255; + } + } else { + // scale to {0, 255} + for (i = 0; i < length; ++i) { + buffer[i] = (-comps[i]) & 255; + } + } + return; + } + + if (this.needsDecode) { + this.decodeBuffer(comps); + } + length = width * height; + // we aren't using a colorspace so we need to scale the value + var scale = 255 / ((1 << bpc) - 1); + for (i = 0; i < length; ++i) { + buffer[i] = (scale * comps[i]) | 0; + } + }, + + getImageBytes: function PDFImage_getImageBytes(length, + drawWidth, drawHeight, + forceRGB) { + this.image.reset(); + this.image.drawWidth = drawWidth || this.width; + this.image.drawHeight = drawHeight || this.height; + this.image.forceRGB = !!forceRGB; + return this.image.getBytes(length); + } + }; + return PDFImage; +})(); + +exports.PDFImage = PDFImage; + +// TODO refactor to remove dependency on colorspace.js +coreColorSpace._setCoreImage(exports); +})); + + +(function (root, factory) { + { + factory((root.pdfjsCorePattern = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreFunction, + root.pdfjsCoreColorSpace); + } +}(this, function (exports, sharedUtil, corePrimitives, coreFunction, + coreColorSpace) { + +var UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES; +var MissingDataException = sharedUtil.MissingDataException; +var Util = sharedUtil.Util; +var assert = sharedUtil.assert; +var error = sharedUtil.error; +var info = sharedUtil.info; +var warn = sharedUtil.warn; +var isStream = corePrimitives.isStream; +var PDFFunction = coreFunction.PDFFunction; +var ColorSpace = coreColorSpace.ColorSpace; + +var ShadingType = { + FUNCTION_BASED: 1, + AXIAL: 2, + RADIAL: 3, + FREE_FORM_MESH: 4, + LATTICE_FORM_MESH: 5, + COONS_PATCH_MESH: 6, + TENSOR_PATCH_MESH: 7 +}; + +var Pattern = (function PatternClosure() { + // Constructor should define this.getPattern + function Pattern() { + error('should not call Pattern constructor'); + } + + Pattern.prototype = { + // Input: current Canvas context + // Output: the appropriate fillStyle or strokeStyle + getPattern: function Pattern_getPattern(ctx) { + error('Should not call Pattern.getStyle: ' + ctx); + } + }; + + Pattern.parseShading = function Pattern_parseShading(shading, matrix, xref, + res, handler) { + + var dict = isStream(shading) ? shading.dict : shading; + var type = dict.get('ShadingType'); + + try { + switch (type) { + case ShadingType.AXIAL: + case ShadingType.RADIAL: + // Both radial and axial shadings are handled by RadialAxial shading. + return new Shadings.RadialAxial(dict, matrix, xref, res); + case ShadingType.FREE_FORM_MESH: + case ShadingType.LATTICE_FORM_MESH: + case ShadingType.COONS_PATCH_MESH: + case ShadingType.TENSOR_PATCH_MESH: + return new Shadings.Mesh(shading, matrix, xref, res); + default: + throw new Error('Unsupported ShadingType: ' + type); + } + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + handler.send('UnsupportedFeature', + {featureId: UNSUPPORTED_FEATURES.shadingPattern}); + warn(ex); + return new Shadings.Dummy(); + } + }; + return Pattern; +})(); + +var Shadings = {}; + +// A small number to offset the first/last color stops so we can insert ones to +// support extend. Number.MIN_VALUE appears to be too small and breaks the +// extend. 1e-7 works in FF but chrome seems to use an even smaller sized number +// internally so we have to go bigger. +Shadings.SMALL_NUMBER = 1e-2; + +// Radial and axial shading have very similar implementations +// If needed, the implementations can be broken into two classes +Shadings.RadialAxial = (function RadialAxialClosure() { + function RadialAxial(dict, matrix, xref, res) { + this.matrix = matrix; + this.coordsArr = dict.get('Coords'); + this.shadingType = dict.get('ShadingType'); + this.type = 'Pattern'; + var cs = dict.get('ColorSpace', 'CS'); + cs = ColorSpace.parse(cs, xref, res); + this.cs = cs; + + var t0 = 0.0, t1 = 1.0; + if (dict.has('Domain')) { + var domainArr = dict.get('Domain'); + t0 = domainArr[0]; + t1 = domainArr[1]; + } + + var extendStart = false, extendEnd = false; + if (dict.has('Extend')) { + var extendArr = dict.get('Extend'); + extendStart = extendArr[0]; + extendEnd = extendArr[1]; + } + + if (this.shadingType === ShadingType.RADIAL && + (!extendStart || !extendEnd)) { + // Radial gradient only currently works if either circle is fully within + // the other circle. + var x1 = this.coordsArr[0]; + var y1 = this.coordsArr[1]; + var r1 = this.coordsArr[2]; + var x2 = this.coordsArr[3]; + var y2 = this.coordsArr[4]; + var r2 = this.coordsArr[5]; + var distance = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)); + if (r1 <= r2 + distance && + r2 <= r1 + distance) { + warn('Unsupported radial gradient.'); + } + } + + this.extendStart = extendStart; + this.extendEnd = extendEnd; + + var fnObj = dict.get('Function'); + var fn = PDFFunction.parseArray(xref, fnObj); + + // 10 samples seems good enough for now, but probably won't work + // if there are sharp color changes. Ideally, we would implement + // the spec faithfully and add lossless optimizations. + var diff = t1 - t0; + var step = diff / 10; + + var colorStops = this.colorStops = []; + + // Protect against bad domains so we don't end up in an infinte loop below. + if (t0 >= t1 || step <= 0) { + // Acrobat doesn't seem to handle these cases so we'll ignore for + // now. + info('Bad shading domain.'); + return; + } + + var color = new Float32Array(cs.numComps), ratio = new Float32Array(1); + var rgbColor; + for (var i = t0; i <= t1; i += step) { + ratio[0] = i; + fn(ratio, 0, color, 0); + rgbColor = cs.getRgb(color, 0); + var cssColor = Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]); + colorStops.push([(i - t0) / diff, cssColor]); + } + + var background = 'transparent'; + if (dict.has('Background')) { + rgbColor = cs.getRgb(dict.get('Background'), 0); + background = Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]); + } + + if (!extendStart) { + // Insert a color stop at the front and offset the first real color stop + // so it doesn't conflict with the one we insert. + colorStops.unshift([0, background]); + colorStops[1][0] += Shadings.SMALL_NUMBER; + } + if (!extendEnd) { + // Same idea as above in extendStart but for the end. + colorStops[colorStops.length - 1][0] -= Shadings.SMALL_NUMBER; + colorStops.push([1, background]); + } + + this.colorStops = colorStops; + } + + RadialAxial.prototype = { + getIR: function RadialAxial_getIR() { + var coordsArr = this.coordsArr; + var shadingType = this.shadingType; + var type, p0, p1, r0, r1; + if (shadingType === ShadingType.AXIAL) { + p0 = [coordsArr[0], coordsArr[1]]; + p1 = [coordsArr[2], coordsArr[3]]; + r0 = null; + r1 = null; + type = 'axial'; + } else if (shadingType === ShadingType.RADIAL) { + p0 = [coordsArr[0], coordsArr[1]]; + p1 = [coordsArr[3], coordsArr[4]]; + r0 = coordsArr[2]; + r1 = coordsArr[5]; + type = 'radial'; + } else { + error('getPattern type unknown: ' + shadingType); + } + + var matrix = this.matrix; + if (matrix) { + p0 = Util.applyTransform(p0, matrix); + p1 = Util.applyTransform(p1, matrix); + if (shadingType === ShadingType.RADIAL) { + var scale = Util.singularValueDecompose2dScale(matrix); + r0 *= scale[0]; + r1 *= scale[1]; + } + } + + return ['RadialAxial', type, this.colorStops, p0, p1, r0, r1]; + } + }; + + return RadialAxial; +})(); + +// All mesh shading. For now, they will be presented as set of the triangles +// to be drawn on the canvas and rgb color for each vertex. +Shadings.Mesh = (function MeshClosure() { + function MeshStreamReader(stream, context) { + this.stream = stream; + this.context = context; + this.buffer = 0; + this.bufferLength = 0; + + var numComps = context.numComps; + this.tmpCompsBuf = new Float32Array(numComps); + var csNumComps = context.colorSpace.numComps; + this.tmpCsCompsBuf = context.colorFn ? new Float32Array(csNumComps) : + this.tmpCompsBuf; + } + MeshStreamReader.prototype = { + get hasData() { + if (this.stream.end) { + return this.stream.pos < this.stream.end; + } + if (this.bufferLength > 0) { + return true; + } + var nextByte = this.stream.getByte(); + if (nextByte < 0) { + return false; + } + this.buffer = nextByte; + this.bufferLength = 8; + return true; + }, + readBits: function MeshStreamReader_readBits(n) { + var buffer = this.buffer; + var bufferLength = this.bufferLength; + if (n === 32) { + if (bufferLength === 0) { + return ((this.stream.getByte() << 24) | + (this.stream.getByte() << 16) | (this.stream.getByte() << 8) | + this.stream.getByte()) >>> 0; + } + buffer = (buffer << 24) | (this.stream.getByte() << 16) | + (this.stream.getByte() << 8) | this.stream.getByte(); + var nextByte = this.stream.getByte(); + this.buffer = nextByte & ((1 << bufferLength) - 1); + return ((buffer << (8 - bufferLength)) | + ((nextByte & 0xFF) >> bufferLength)) >>> 0; + } + if (n === 8 && bufferLength === 0) { + return this.stream.getByte(); + } + while (bufferLength < n) { + buffer = (buffer << 8) | this.stream.getByte(); + bufferLength += 8; + } + bufferLength -= n; + this.bufferLength = bufferLength; + this.buffer = buffer & ((1 << bufferLength) - 1); + return buffer >> bufferLength; + }, + align: function MeshStreamReader_align() { + this.buffer = 0; + this.bufferLength = 0; + }, + readFlag: function MeshStreamReader_readFlag() { + return this.readBits(this.context.bitsPerFlag); + }, + readCoordinate: function MeshStreamReader_readCoordinate() { + var bitsPerCoordinate = this.context.bitsPerCoordinate; + var xi = this.readBits(bitsPerCoordinate); + var yi = this.readBits(bitsPerCoordinate); + var decode = this.context.decode; + var scale = bitsPerCoordinate < 32 ? 1 / ((1 << bitsPerCoordinate) - 1) : + 2.3283064365386963e-10; // 2 ^ -32 + return [ + xi * scale * (decode[1] - decode[0]) + decode[0], + yi * scale * (decode[3] - decode[2]) + decode[2] + ]; + }, + readComponents: function MeshStreamReader_readComponents() { + var numComps = this.context.numComps; + var bitsPerComponent = this.context.bitsPerComponent; + var scale = bitsPerComponent < 32 ? 1 / ((1 << bitsPerComponent) - 1) : + 2.3283064365386963e-10; // 2 ^ -32 + var decode = this.context.decode; + var components = this.tmpCompsBuf; + for (var i = 0, j = 4; i < numComps; i++, j += 2) { + var ci = this.readBits(bitsPerComponent); + components[i] = ci * scale * (decode[j + 1] - decode[j]) + decode[j]; + } + var color = this.tmpCsCompsBuf; + if (this.context.colorFn) { + this.context.colorFn(components, 0, color, 0); + } + return this.context.colorSpace.getRgb(color, 0); + } + }; + + function decodeType4Shading(mesh, reader) { + var coords = mesh.coords; + var colors = mesh.colors; + var operators = []; + var ps = []; // not maintaining cs since that will match ps + var verticesLeft = 0; // assuming we have all data to start a new triangle + while (reader.hasData) { + var f = reader.readFlag(); + var coord = reader.readCoordinate(); + var color = reader.readComponents(); + if (verticesLeft === 0) { // ignoring flags if we started a triangle + assert(0 <= f && f <= 2, 'Unknown type4 flag'); + switch (f) { + case 0: + verticesLeft = 3; + break; + case 1: + ps.push(ps[ps.length - 2], ps[ps.length - 1]); + verticesLeft = 1; + break; + case 2: + ps.push(ps[ps.length - 3], ps[ps.length - 1]); + verticesLeft = 1; + break; + } + operators.push(f); + } + ps.push(coords.length); + coords.push(coord); + colors.push(color); + verticesLeft--; + + reader.align(); + } + mesh.figures.push({ + type: 'triangles', + coords: new Int32Array(ps), + colors: new Int32Array(ps), + }); + } + + function decodeType5Shading(mesh, reader, verticesPerRow) { + var coords = mesh.coords; + var colors = mesh.colors; + var ps = []; // not maintaining cs since that will match ps + while (reader.hasData) { + var coord = reader.readCoordinate(); + var color = reader.readComponents(); + ps.push(coords.length); + coords.push(coord); + colors.push(color); + } + mesh.figures.push({ + type: 'lattice', + coords: new Int32Array(ps), + colors: new Int32Array(ps), + verticesPerRow: verticesPerRow + }); + } + + var MIN_SPLIT_PATCH_CHUNKS_AMOUNT = 3; + var MAX_SPLIT_PATCH_CHUNKS_AMOUNT = 20; + + var TRIANGLE_DENSITY = 20; // count of triangles per entire mesh bounds + + var getB = (function getBClosure() { + function buildB(count) { + var lut = []; + for (var i = 0; i <= count; i++) { + var t = i / count, t_ = 1 - t; + lut.push(new Float32Array([t_ * t_ * t_, 3 * t * t_ * t_, + 3 * t * t * t_, t * t * t])); + } + return lut; + } + var cache = []; + return function getB(count) { + if (!cache[count]) { + cache[count] = buildB(count); + } + return cache[count]; + }; + })(); + + function buildFigureFromPatch(mesh, index) { + var figure = mesh.figures[index]; + assert(figure.type === 'patch', 'Unexpected patch mesh figure'); + + var coords = mesh.coords, colors = mesh.colors; + var pi = figure.coords; + var ci = figure.colors; + + var figureMinX = Math.min(coords[pi[0]][0], coords[pi[3]][0], + coords[pi[12]][0], coords[pi[15]][0]); + var figureMinY = Math.min(coords[pi[0]][1], coords[pi[3]][1], + coords[pi[12]][1], coords[pi[15]][1]); + var figureMaxX = Math.max(coords[pi[0]][0], coords[pi[3]][0], + coords[pi[12]][0], coords[pi[15]][0]); + var figureMaxY = Math.max(coords[pi[0]][1], coords[pi[3]][1], + coords[pi[12]][1], coords[pi[15]][1]); + var splitXBy = Math.ceil((figureMaxX - figureMinX) * TRIANGLE_DENSITY / + (mesh.bounds[2] - mesh.bounds[0])); + splitXBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, + Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitXBy)); + var splitYBy = Math.ceil((figureMaxY - figureMinY) * TRIANGLE_DENSITY / + (mesh.bounds[3] - mesh.bounds[1])); + splitYBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, + Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitYBy)); + + var verticesPerRow = splitXBy + 1; + var figureCoords = new Int32Array((splitYBy + 1) * verticesPerRow); + var figureColors = new Int32Array((splitYBy + 1) * verticesPerRow); + var k = 0; + var cl = new Uint8Array(3), cr = new Uint8Array(3); + var c0 = colors[ci[0]], c1 = colors[ci[1]], + c2 = colors[ci[2]], c3 = colors[ci[3]]; + var bRow = getB(splitYBy), bCol = getB(splitXBy); + for (var row = 0; row <= splitYBy; row++) { + cl[0] = ((c0[0] * (splitYBy - row) + c2[0] * row) / splitYBy) | 0; + cl[1] = ((c0[1] * (splitYBy - row) + c2[1] * row) / splitYBy) | 0; + cl[2] = ((c0[2] * (splitYBy - row) + c2[2] * row) / splitYBy) | 0; + + cr[0] = ((c1[0] * (splitYBy - row) + c3[0] * row) / splitYBy) | 0; + cr[1] = ((c1[1] * (splitYBy - row) + c3[1] * row) / splitYBy) | 0; + cr[2] = ((c1[2] * (splitYBy - row) + c3[2] * row) / splitYBy) | 0; + + for (var col = 0; col <= splitXBy; col++, k++) { + if ((row === 0 || row === splitYBy) && + (col === 0 || col === splitXBy)) { + continue; + } + var x = 0, y = 0; + var q = 0; + for (var i = 0; i <= 3; i++) { + for (var j = 0; j <= 3; j++, q++) { + var m = bRow[row][i] * bCol[col][j]; + x += coords[pi[q]][0] * m; + y += coords[pi[q]][1] * m; + } + } + figureCoords[k] = coords.length; + coords.push([x, y]); + figureColors[k] = colors.length; + var newColor = new Uint8Array(3); + newColor[0] = ((cl[0] * (splitXBy - col) + cr[0] * col) / splitXBy) | 0; + newColor[1] = ((cl[1] * (splitXBy - col) + cr[1] * col) / splitXBy) | 0; + newColor[2] = ((cl[2] * (splitXBy - col) + cr[2] * col) / splitXBy) | 0; + colors.push(newColor); + } + } + figureCoords[0] = pi[0]; + figureColors[0] = ci[0]; + figureCoords[splitXBy] = pi[3]; + figureColors[splitXBy] = ci[1]; + figureCoords[verticesPerRow * splitYBy] = pi[12]; + figureColors[verticesPerRow * splitYBy] = ci[2]; + figureCoords[verticesPerRow * splitYBy + splitXBy] = pi[15]; + figureColors[verticesPerRow * splitYBy + splitXBy] = ci[3]; + + mesh.figures[index] = { + type: 'lattice', + coords: figureCoords, + colors: figureColors, + verticesPerRow: verticesPerRow + }; + } + + function decodeType6Shading(mesh, reader) { + // A special case of Type 7. The p11, p12, p21, p22 automatically filled + var coords = mesh.coords; + var colors = mesh.colors; + var ps = new Int32Array(16); // p00, p10, ..., p30, p01, ..., p33 + var cs = new Int32Array(4); // c00, c30, c03, c33 + while (reader.hasData) { + var f = reader.readFlag(); + assert(0 <= f && f <= 3, 'Unknown type6 flag'); + var i, ii; + var pi = coords.length; + for (i = 0, ii = (f !== 0 ? 8 : 12); i < ii; i++) { + coords.push(reader.readCoordinate()); + } + var ci = colors.length; + for (i = 0, ii = (f !== 0 ? 2 : 4); i < ii; i++) { + colors.push(reader.readComponents()); + } + var tmp1, tmp2, tmp3, tmp4; + switch (f) { + case 0: + ps[12] = pi + 3; ps[13] = pi + 4; ps[14] = pi + 5; ps[15] = pi + 6; + ps[ 8] = pi + 2; /* values for 5, 6, 9, 10 are */ ps[11] = pi + 7; + ps[ 4] = pi + 1; /* calculated below */ ps[ 7] = pi + 8; + ps[ 0] = pi; ps[ 1] = pi + 11; ps[ 2] = pi + 10; ps[ 3] = pi + 9; + cs[2] = ci + 1; cs[3] = ci + 2; + cs[0] = ci; cs[1] = ci + 3; + break; + case 1: + tmp1 = ps[12]; tmp2 = ps[13]; tmp3 = ps[14]; tmp4 = ps[15]; + ps[12] = tmp4; ps[13] = pi + 0; ps[14] = pi + 1; ps[15] = pi + 2; + ps[ 8] = tmp3; /* values for 5, 6, 9, 10 are */ ps[11] = pi + 3; + ps[ 4] = tmp2; /* calculated below */ ps[ 7] = pi + 4; + ps[ 0] = tmp1; ps[ 1] = pi + 7; ps[ 2] = pi + 6; ps[ 3] = pi + 5; + tmp1 = cs[2]; tmp2 = cs[3]; + cs[2] = tmp2; cs[3] = ci; + cs[0] = tmp1; cs[1] = ci + 1; + break; + case 2: + tmp1 = ps[15]; + tmp2 = ps[11]; + ps[12] = ps[3]; ps[13] = pi + 0; ps[14] = pi + 1; ps[15] = pi + 2; + ps[ 8] = ps[7]; /* values for 5, 6, 9, 10 are */ ps[11] = pi + 3; + ps[ 4] = tmp2; /* calculated below */ ps[ 7] = pi + 4; + ps[ 0] = tmp1; ps[ 1] = pi + 7; ps[ 2] = pi + 6; ps[ 3] = pi + 5; + tmp1 = cs[3]; + cs[2] = cs[1]; cs[3] = ci; + cs[0] = tmp1; cs[1] = ci + 1; + break; + case 3: + ps[12] = ps[0]; ps[13] = pi + 0; ps[14] = pi + 1; ps[15] = pi + 2; + ps[ 8] = ps[1]; /* values for 5, 6, 9, 10 are */ ps[11] = pi + 3; + ps[ 4] = ps[2]; /* calculated below */ ps[ 7] = pi + 4; + ps[ 0] = ps[3]; ps[ 1] = pi + 7; ps[ 2] = pi + 6; ps[ 3] = pi + 5; + cs[2] = cs[0]; cs[3] = ci; + cs[0] = cs[1]; cs[1] = ci + 1; + break; + } + // set p11, p12, p21, p22 + ps[5] = coords.length; + coords.push([ + (-4 * coords[ps[0]][0] - coords[ps[15]][0] + + 6 * (coords[ps[4]][0] + coords[ps[1]][0]) - + 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + + 3 * (coords[ps[13]][0] + coords[ps[7]][0])) / 9, + (-4 * coords[ps[0]][1] - coords[ps[15]][1] + + 6 * (coords[ps[4]][1] + coords[ps[1]][1]) - + 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + + 3 * (coords[ps[13]][1] + coords[ps[7]][1])) / 9 + ]); + ps[6] = coords.length; + coords.push([ + (-4 * coords[ps[3]][0] - coords[ps[12]][0] + + 6 * (coords[ps[2]][0] + coords[ps[7]][0]) - + 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + + 3 * (coords[ps[4]][0] + coords[ps[14]][0])) / 9, + (-4 * coords[ps[3]][1] - coords[ps[12]][1] + + 6 * (coords[ps[2]][1] + coords[ps[7]][1]) - + 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + + 3 * (coords[ps[4]][1] + coords[ps[14]][1])) / 9 + ]); + ps[9] = coords.length; + coords.push([ + (-4 * coords[ps[12]][0] - coords[ps[3]][0] + + 6 * (coords[ps[8]][0] + coords[ps[13]][0]) - + 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + + 3 * (coords[ps[11]][0] + coords[ps[1]][0])) / 9, + (-4 * coords[ps[12]][1] - coords[ps[3]][1] + + 6 * (coords[ps[8]][1] + coords[ps[13]][1]) - + 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + + 3 * (coords[ps[11]][1] + coords[ps[1]][1])) / 9 + ]); + ps[10] = coords.length; + coords.push([ + (-4 * coords[ps[15]][0] - coords[ps[0]][0] + + 6 * (coords[ps[11]][0] + coords[ps[14]][0]) - + 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + + 3 * (coords[ps[2]][0] + coords[ps[8]][0])) / 9, + (-4 * coords[ps[15]][1] - coords[ps[0]][1] + + 6 * (coords[ps[11]][1] + coords[ps[14]][1]) - + 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + + 3 * (coords[ps[2]][1] + coords[ps[8]][1])) / 9 + ]); + mesh.figures.push({ + type: 'patch', + coords: new Int32Array(ps), // making copies of ps and cs + colors: new Int32Array(cs) + }); + } + } + + function decodeType7Shading(mesh, reader) { + var coords = mesh.coords; + var colors = mesh.colors; + var ps = new Int32Array(16); // p00, p10, ..., p30, p01, ..., p33 + var cs = new Int32Array(4); // c00, c30, c03, c33 + while (reader.hasData) { + var f = reader.readFlag(); + assert(0 <= f && f <= 3, 'Unknown type7 flag'); + var i, ii; + var pi = coords.length; + for (i = 0, ii = (f !== 0 ? 12 : 16); i < ii; i++) { + coords.push(reader.readCoordinate()); + } + var ci = colors.length; + for (i = 0, ii = (f !== 0 ? 2 : 4); i < ii; i++) { + colors.push(reader.readComponents()); + } + var tmp1, tmp2, tmp3, tmp4; + switch (f) { + case 0: + ps[12] = pi + 3; ps[13] = pi + 4; ps[14] = pi + 5; ps[15] = pi + 6; + ps[ 8] = pi + 2; ps[ 9] = pi + 13; ps[10] = pi + 14; ps[11] = pi + 7; + ps[ 4] = pi + 1; ps[ 5] = pi + 12; ps[ 6] = pi + 15; ps[ 7] = pi + 8; + ps[ 0] = pi; ps[ 1] = pi + 11; ps[ 2] = pi + 10; ps[ 3] = pi + 9; + cs[2] = ci + 1; cs[3] = ci + 2; + cs[0] = ci; cs[1] = ci + 3; + break; + case 1: + tmp1 = ps[12]; tmp2 = ps[13]; tmp3 = ps[14]; tmp4 = ps[15]; + ps[12] = tmp4; ps[13] = pi + 0; ps[14] = pi + 1; ps[15] = pi + 2; + ps[ 8] = tmp3; ps[ 9] = pi + 9; ps[10] = pi + 10; ps[11] = pi + 3; + ps[ 4] = tmp2; ps[ 5] = pi + 8; ps[ 6] = pi + 11; ps[ 7] = pi + 4; + ps[ 0] = tmp1; ps[ 1] = pi + 7; ps[ 2] = pi + 6; ps[ 3] = pi + 5; + tmp1 = cs[2]; tmp2 = cs[3]; + cs[2] = tmp2; cs[3] = ci; + cs[0] = tmp1; cs[1] = ci + 1; + break; + case 2: + tmp1 = ps[15]; + tmp2 = ps[11]; + ps[12] = ps[3]; ps[13] = pi + 0; ps[14] = pi + 1; ps[15] = pi + 2; + ps[ 8] = ps[7]; ps[ 9] = pi + 9; ps[10] = pi + 10; ps[11] = pi + 3; + ps[ 4] = tmp2; ps[ 5] = pi + 8; ps[ 6] = pi + 11; ps[ 7] = pi + 4; + ps[ 0] = tmp1; ps[ 1] = pi + 7; ps[ 2] = pi + 6; ps[ 3] = pi + 5; + tmp1 = cs[3]; + cs[2] = cs[1]; cs[3] = ci; + cs[0] = tmp1; cs[1] = ci + 1; + break; + case 3: + ps[12] = ps[0]; ps[13] = pi + 0; ps[14] = pi + 1; ps[15] = pi + 2; + ps[ 8] = ps[1]; ps[ 9] = pi + 9; ps[10] = pi + 10; ps[11] = pi + 3; + ps[ 4] = ps[2]; ps[ 5] = pi + 8; ps[ 6] = pi + 11; ps[ 7] = pi + 4; + ps[ 0] = ps[3]; ps[ 1] = pi + 7; ps[ 2] = pi + 6; ps[ 3] = pi + 5; + cs[2] = cs[0]; cs[3] = ci; + cs[0] = cs[1]; cs[1] = ci + 1; + break; + } + mesh.figures.push({ + type: 'patch', + coords: new Int32Array(ps), // making copies of ps and cs + colors: new Int32Array(cs) + }); + } + } + + function updateBounds(mesh) { + var minX = mesh.coords[0][0], minY = mesh.coords[0][1], + maxX = minX, maxY = minY; + for (var i = 1, ii = mesh.coords.length; i < ii; i++) { + var x = mesh.coords[i][0], y = mesh.coords[i][1]; + minX = minX > x ? x : minX; + minY = minY > y ? y : minY; + maxX = maxX < x ? x : maxX; + maxY = maxY < y ? y : maxY; + } + mesh.bounds = [minX, minY, maxX, maxY]; + } + + function packData(mesh) { + var i, ii, j, jj; + + var coords = mesh.coords; + var coordsPacked = new Float32Array(coords.length * 2); + for (i = 0, j = 0, ii = coords.length; i < ii; i++) { + var xy = coords[i]; + coordsPacked[j++] = xy[0]; + coordsPacked[j++] = xy[1]; + } + mesh.coords = coordsPacked; + + var colors = mesh.colors; + var colorsPacked = new Uint8Array(colors.length * 3); + for (i = 0, j = 0, ii = colors.length; i < ii; i++) { + var c = colors[i]; + colorsPacked[j++] = c[0]; + colorsPacked[j++] = c[1]; + colorsPacked[j++] = c[2]; + } + mesh.colors = colorsPacked; + + var figures = mesh.figures; + for (i = 0, ii = figures.length; i < ii; i++) { + var figure = figures[i], ps = figure.coords, cs = figure.colors; + for (j = 0, jj = ps.length; j < jj; j++) { + ps[j] *= 2; + cs[j] *= 3; + } + } + } + + function Mesh(stream, matrix, xref, res) { + assert(isStream(stream), 'Mesh data is not a stream'); + var dict = stream.dict; + this.matrix = matrix; + this.shadingType = dict.get('ShadingType'); + this.type = 'Pattern'; + this.bbox = dict.get('BBox'); + var cs = dict.get('ColorSpace', 'CS'); + cs = ColorSpace.parse(cs, xref, res); + this.cs = cs; + this.background = dict.has('Background') ? + cs.getRgb(dict.get('Background'), 0) : null; + + var fnObj = dict.get('Function'); + var fn = fnObj ? PDFFunction.parseArray(xref, fnObj) : null; + + this.coords = []; + this.colors = []; + this.figures = []; + + var decodeContext = { + bitsPerCoordinate: dict.get('BitsPerCoordinate'), + bitsPerComponent: dict.get('BitsPerComponent'), + bitsPerFlag: dict.get('BitsPerFlag'), + decode: dict.get('Decode'), + colorFn: fn, + colorSpace: cs, + numComps: fn ? 1 : cs.numComps + }; + var reader = new MeshStreamReader(stream, decodeContext); + + var patchMesh = false; + switch (this.shadingType) { + case ShadingType.FREE_FORM_MESH: + decodeType4Shading(this, reader); + break; + case ShadingType.LATTICE_FORM_MESH: + var verticesPerRow = dict.get('VerticesPerRow') | 0; + assert(verticesPerRow >= 2, 'Invalid VerticesPerRow'); + decodeType5Shading(this, reader, verticesPerRow); + break; + case ShadingType.COONS_PATCH_MESH: + decodeType6Shading(this, reader); + patchMesh = true; + break; + case ShadingType.TENSOR_PATCH_MESH: + decodeType7Shading(this, reader); + patchMesh = true; + break; + default: + error('Unsupported mesh type.'); + break; + } + + if (patchMesh) { + // dirty bounds calculation for determining, how dense shall be triangles + updateBounds(this); + for (var i = 0, ii = this.figures.length; i < ii; i++) { + buildFigureFromPatch(this, i); + } + } + // calculate bounds + updateBounds(this); + + packData(this); + } + + Mesh.prototype = { + getIR: function Mesh_getIR() { + return ['Mesh', this.shadingType, this.coords, this.colors, this.figures, + this.bounds, this.matrix, this.bbox, this.background]; + } + }; + + return Mesh; +})(); + +Shadings.Dummy = (function DummyClosure() { + function Dummy() { + this.type = 'Pattern'; + } + + Dummy.prototype = { + getIR: function Dummy_getIR() { + return ['Dummy']; + } + }; + return Dummy; +})(); + +function getTilingPatternIR(operatorList, dict, args) { + var matrix = dict.get('Matrix'); + var bbox = dict.get('BBox'); + var xstep = dict.get('XStep'); + var ystep = dict.get('YStep'); + var paintType = dict.get('PaintType'); + var tilingType = dict.get('TilingType'); + + return [ + 'TilingPattern', args, operatorList, matrix, bbox, xstep, ystep, + paintType, tilingType + ]; +} + +exports.Pattern = Pattern; +exports.getTilingPatternIR = getTilingPatternIR; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreEvaluator = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreParser, + root.pdfjsCoreImage, root.pdfjsCoreColorSpace, root.pdfjsCoreMurmurHash3, + root.pdfjsCoreFonts, root.pdfjsCoreFunction, root.pdfjsCorePattern, + root.pdfjsCoreCMap, root.pdfjsCoreMetrics, root.pdfjsCoreBidi); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream, coreParser, + coreImage, coreColorSpace, coreMurmurHash3, coreFonts, + coreFunction, corePattern, coreCMap, coreMetrics, coreBidi) { + +var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; +var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX; +var UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES; +var ImageKind = sharedUtil.ImageKind; +var OPS = sharedUtil.OPS; +var TextRenderingMode = sharedUtil.TextRenderingMode; +var Util = sharedUtil.Util; +var assert = sharedUtil.assert; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isNum = sharedUtil.isNum; +var isString = sharedUtil.isString; +var warn = sharedUtil.warn; +var Dict = corePrimitives.Dict; +var Name = corePrimitives.Name; +var isCmd = corePrimitives.isCmd; +var isDict = corePrimitives.isDict; +var isName = corePrimitives.isName; +var isRef = corePrimitives.isRef; +var isStream = corePrimitives.isStream; +var DecodeStream = coreStream.DecodeStream; +var JpegStream = coreStream.JpegStream; +var Lexer = coreParser.Lexer; +var Parser = coreParser.Parser; +var isEOF = coreParser.isEOF; +var PDFImage = coreImage.PDFImage; +var ColorSpace = coreColorSpace.ColorSpace; +var MurmurHash3_64 = coreMurmurHash3.MurmurHash3_64; +var Encodings = coreFonts.Encodings; +var ErrorFont = coreFonts.ErrorFont; +var FontFlags = coreFonts.FontFlags; +var Font = coreFonts.Font; +var IdentityToUnicodeMap = coreFonts.IdentityToUnicodeMap; +var NormalizedUnicodes = coreFonts.NormalizedUnicodes; +var ToUnicodeMap = coreFonts.ToUnicodeMap; +var getFontType = coreFonts.getFontType; +var reverseIfRtl = coreFonts.reverseIfRtl; +var serifFonts = coreFonts.serifFonts; +var symbolsFonts = coreFonts.symbolsFonts; +var stdFontMap = coreFonts.stdFontMap; +var isPDFFunction = coreFunction.isPDFFunction; +var PDFFunction = coreFunction.PDFFunction; +var Pattern = corePattern.Pattern; +var getTilingPatternIR = corePattern.getTilingPatternIR; +var CMapFactory = coreCMap.CMapFactory; +var IdentityCMap = coreCMap.IdentityCMap; +var Metrics = coreMetrics.Metrics; +var bidi = coreBidi.bidi; + +var PartialEvaluator = (function PartialEvaluatorClosure() { + function PartialEvaluator(pdfManager, xref, handler, pageIndex, + uniquePrefix, idCounters, fontCache) { + this.pdfManager = pdfManager; + this.xref = xref; + this.handler = handler; + this.pageIndex = pageIndex; + this.uniquePrefix = uniquePrefix; + this.idCounters = idCounters; + this.fontCache = fontCache; + } + + // Trying to minimize Date.now() usage and check every 100 time + var TIME_SLOT_DURATION_MS = 20; + var CHECK_TIME_EVERY = 100; + function TimeSlotManager() { + this.reset(); + } + TimeSlotManager.prototype = { + check: function TimeSlotManager_check() { + if (++this.checked < CHECK_TIME_EVERY) { + return false; + } + this.checked = 0; + return this.endTime <= Date.now(); + }, + reset: function TimeSlotManager_reset() { + this.endTime = Date.now() + TIME_SLOT_DURATION_MS; + this.checked = 0; + } + }; + + var deferred = Promise.resolve(); + + var TILING_PATTERN = 1, SHADING_PATTERN = 2; + + PartialEvaluator.prototype = { + hasBlendModes: function PartialEvaluator_hasBlendModes(resources) { + if (!isDict(resources)) { + return false; + } + + var processed = Object.create(null); + if (resources.objId) { + processed[resources.objId] = true; + } + + var nodes = [resources]; + while (nodes.length) { + var key; + var node = nodes.shift(); + // First check the current resources for blend modes. + var graphicStates = node.get('ExtGState'); + if (isDict(graphicStates)) { + graphicStates = graphicStates.getAll(); + for (key in graphicStates) { + var graphicState = graphicStates[key]; + var bm = graphicState['BM']; + if (isName(bm) && bm.name !== 'Normal') { + return true; + } + } + } + // Descend into the XObjects to look for more resources and blend modes. + var xObjects = node.get('XObject'); + if (!isDict(xObjects)) { + continue; + } + xObjects = xObjects.getAll(); + for (key in xObjects) { + var xObject = xObjects[key]; + if (!isStream(xObject)) { + continue; + } + if (xObject.dict.objId) { + if (processed[xObject.dict.objId]) { + // stream has objId and is processed already + continue; + } + processed[xObject.dict.objId] = true; + } + var xResources = xObject.dict.get('Resources'); + // Checking objId to detect an infinite loop. + if (isDict(xResources) && + (!xResources.objId || !processed[xResources.objId])) { + nodes.push(xResources); + if (xResources.objId) { + processed[xResources.objId] = true; + } + } + } + } + return false; + }, + + buildFormXObject: function PartialEvaluator_buildFormXObject(resources, + xobj, smask, + operatorList, + task, + initialState) { + var matrix = xobj.dict.getArray('Matrix'); + var bbox = xobj.dict.getArray('BBox'); + var group = xobj.dict.get('Group'); + if (group) { + var groupOptions = { + matrix: matrix, + bbox: bbox, + smask: smask, + isolated: false, + knockout: false + }; + + var groupSubtype = group.get('S'); + var colorSpace; + if (isName(groupSubtype) && groupSubtype.name === 'Transparency') { + groupOptions.isolated = (group.get('I') || false); + groupOptions.knockout = (group.get('K') || false); + colorSpace = (group.has('CS') ? + ColorSpace.parse(group.get('CS'), this.xref, resources) : null); + } + + if (smask && smask.backdrop) { + colorSpace = colorSpace || ColorSpace.singletons.rgb; + smask.backdrop = colorSpace.getRgb(smask.backdrop, 0); + } + + operatorList.addOp(OPS.beginGroup, [groupOptions]); + } + + operatorList.addOp(OPS.paintFormXObjectBegin, [matrix, bbox]); + + return this.getOperatorList(xobj, task, + (xobj.dict.get('Resources') || resources), operatorList, initialState). + then(function () { + operatorList.addOp(OPS.paintFormXObjectEnd, []); + + if (group) { + operatorList.addOp(OPS.endGroup, [groupOptions]); + } + }); + }, + + buildPaintImageXObject: + function PartialEvaluator_buildPaintImageXObject(resources, image, + inline, operatorList, + cacheKey, imageCache) { + var self = this; + var dict = image.dict; + var w = dict.get('Width', 'W'); + var h = dict.get('Height', 'H'); + + if (!(w && isNum(w)) || !(h && isNum(h))) { + warn('Image dimensions are missing, or not numbers.'); + return; + } + if (PDFJS.maxImageSize !== -1 && w * h > PDFJS.maxImageSize) { + warn('Image exceeded maximum allowed size and was removed.'); + return; + } + + var imageMask = (dict.get('ImageMask', 'IM') || false); + var imgData, args; + if (imageMask) { + // This depends on a tmpCanvas being filled with the + // current fillStyle, such that processing the pixel + // data can't be done here. Instead of creating a + // complete PDFImage, only read the information needed + // for later. + + var width = dict.get('Width', 'W'); + var height = dict.get('Height', 'H'); + var bitStrideLength = (width + 7) >> 3; + var imgArray = image.getBytes(bitStrideLength * height); + var decode = dict.get('Decode', 'D'); + var inverseDecode = (!!decode && decode[0] > 0); + + imgData = PDFImage.createMask(imgArray, width, height, + image instanceof DecodeStream, + inverseDecode); + imgData.cached = true; + args = [imgData]; + operatorList.addOp(OPS.paintImageMaskXObject, args); + if (cacheKey) { + imageCache[cacheKey] = { + fn: OPS.paintImageMaskXObject, + args: args + }; + } + return; + } + + var softMask = (dict.get('SMask', 'SM') || false); + var mask = (dict.get('Mask') || false); + + var SMALL_IMAGE_DIMENSIONS = 200; + // Inlining small images into the queue as RGB data + if (inline && !softMask && !mask && !(image instanceof JpegStream) && + (w + h) < SMALL_IMAGE_DIMENSIONS) { + var imageObj = new PDFImage(this.xref, resources, image, + inline, null, null); + // We force the use of RGBA_32BPP images here, because we can't handle + // any other kind. + imgData = imageObj.createImageData(/* forceRGBA = */ true); + operatorList.addOp(OPS.paintInlineImageXObject, [imgData]); + return; + } + + // If there is no imageMask, create the PDFImage and a lot + // of image processing can be done here. + var uniquePrefix = (this.uniquePrefix || ''); + var objId = 'img_' + uniquePrefix + (++this.idCounters.obj); + operatorList.addDependency(objId); + args = [objId, w, h]; + + if (!softMask && !mask && image instanceof JpegStream && + image.isNativelySupported(this.xref, resources)) { + // These JPEGs don't need any more processing so we can just send it. + operatorList.addOp(OPS.paintJpegXObject, args); + this.handler.send('obj', + [objId, this.pageIndex, 'JpegStream', image.getIR()]); + return; + } + + PDFImage.buildImage(self.handler, self.xref, resources, image, inline). + then(function(imageObj) { + var imgData = imageObj.createImageData(/* forceRGBA = */ false); + self.handler.send('obj', [objId, self.pageIndex, 'Image', imgData], + [imgData.data.buffer]); + }).then(undefined, function (reason) { + warn('Unable to decode image: ' + reason); + self.handler.send('obj', [objId, self.pageIndex, 'Image', null]); + }); + + operatorList.addOp(OPS.paintImageXObject, args); + if (cacheKey) { + imageCache[cacheKey] = { + fn: OPS.paintImageXObject, + args: args + }; + } + }, + + handleSMask: function PartialEvaluator_handleSmask(smask, resources, + operatorList, task, + stateManager) { + var smaskContent = smask.get('G'); + var smaskOptions = { + subtype: smask.get('S').name, + backdrop: smask.get('BC') + }; + + // The SMask might have a alpha/luminosity value transfer function -- + // we will build a map of integer values in range 0..255 to be fast. + var transferObj = smask.get('TR'); + if (isPDFFunction(transferObj)) { + var transferFn = PDFFunction.parse(this.xref, transferObj); + var transferMap = new Uint8Array(256); + var tmp = new Float32Array(1); + for (var i = 0; i < 255; i++) { + tmp[0] = i / 255; + transferFn(tmp, 0, tmp, 0); + transferMap[i] = (tmp[0] * 255) | 0; + } + smaskOptions.transferMap = transferMap; + } + + return this.buildFormXObject(resources, smaskContent, smaskOptions, + operatorList, task, stateManager.state.clone()); + }, + + handleTilingType: + function PartialEvaluator_handleTilingType(fn, args, resources, + pattern, patternDict, + operatorList, task) { + // Create an IR of the pattern code. + var tilingOpList = new OperatorList(); + // Merge the available resources, to prevent issues when the patternDict + // is missing some /Resources entries (fixes issue6541.pdf). + var resourcesArray = [patternDict.get('Resources'), resources]; + var patternResources = Dict.merge(this.xref, resourcesArray); + + return this.getOperatorList(pattern, task, patternResources, + tilingOpList).then(function () { + // Add the dependencies to the parent operator list so they are + // resolved before sub operator list is executed synchronously. + operatorList.addDependencies(tilingOpList.dependencies); + operatorList.addOp(fn, getTilingPatternIR({ + fnArray: tilingOpList.fnArray, + argsArray: tilingOpList.argsArray + }, patternDict, args)); + }); + }, + + handleSetFont: + function PartialEvaluator_handleSetFont(resources, fontArgs, fontRef, + operatorList, task, state) { + // TODO(mack): Not needed? + var fontName; + if (fontArgs) { + fontArgs = fontArgs.slice(); + fontName = fontArgs[0].name; + } + + var self = this; + return this.loadFont(fontName, fontRef, this.xref, resources).then( + function (translated) { + if (!translated.font.isType3Font) { + return translated; + } + return translated.loadType3Data(self, resources, operatorList, task). + then(function () { + return translated; + }, function (reason) { + // Error in the font data -- sending unsupported feature notification. + self.handler.send('UnsupportedFeature', + {featureId: UNSUPPORTED_FEATURES.font}); + return new TranslatedFont('g_font_error', + new ErrorFont('Type3 font load error: ' + reason), translated.font); + }); + }).then(function (translated) { + state.font = translated.font; + translated.send(self.handler); + return translated.loadedName; + }); + }, + + handleText: function PartialEvaluator_handleText(chars, state) { + var font = state.font; + var glyphs = font.charsToGlyphs(chars); + var isAddToPathSet = !!(state.textRenderingMode & + TextRenderingMode.ADD_TO_PATH_FLAG); + if (font.data && (isAddToPathSet || PDFJS.disableFontFace)) { + var buildPath = function (fontChar) { + if (!font.renderer.hasBuiltPath(fontChar)) { + var path = font.renderer.getPathJs(fontChar); + this.handler.send('commonobj', [ + font.loadedName + '_path_' + fontChar, + 'FontPath', + path + ]); + } + }.bind(this); + + for (var i = 0, ii = glyphs.length; i < ii; i++) { + var glyph = glyphs[i]; + buildPath(glyph.fontChar); + + // If the glyph has an accent we need to build a path for its + // fontChar too, otherwise CanvasGraphics_paintChar will fail. + var accent = glyph.accent; + if (accent && accent.fontChar) { + buildPath(accent.fontChar); + } + } + } + + return glyphs; + }, + + setGState: function PartialEvaluator_setGState(resources, gState, + operatorList, task, + xref, stateManager) { + // This array holds the converted/processed state data. + var gStateObj = []; + var gStateMap = gState.map; + var self = this; + var promise = Promise.resolve(); + for (var key in gStateMap) { + var value = gStateMap[key]; + switch (key) { + case 'Type': + break; + case 'LW': + case 'LC': + case 'LJ': + case 'ML': + case 'D': + case 'RI': + case 'FL': + case 'CA': + case 'ca': + gStateObj.push([key, value]); + break; + case 'Font': + promise = promise.then(function () { + return self.handleSetFont(resources, null, value[0], operatorList, + task, stateManager.state). + then(function (loadedName) { + operatorList.addDependency(loadedName); + gStateObj.push([key, [loadedName, value[1]]]); + }); + }); + break; + case 'BM': + gStateObj.push([key, value]); + break; + case 'SMask': + if (isName(value) && value.name === 'None') { + gStateObj.push([key, false]); + break; + } + var dict = xref.fetchIfRef(value); + if (isDict(dict)) { + promise = promise.then(function () { + return self.handleSMask(dict, resources, operatorList, + task, stateManager); + }); + gStateObj.push([key, true]); + } else { + warn('Unsupported SMask type'); + } + + break; + // Only generate info log messages for the following since + // they are unlikely to have a big impact on the rendering. + case 'OP': + case 'op': + case 'OPM': + case 'BG': + case 'BG2': + case 'UCR': + case 'UCR2': + case 'TR': + case 'TR2': + case 'HT': + case 'SM': + case 'SA': + case 'AIS': + case 'TK': + // TODO implement these operators. + info('graphic state operator ' + key); + break; + default: + info('Unknown graphic state operator ' + key); + break; + } + } + return promise.then(function () { + if (gStateObj.length >= 0) { + operatorList.addOp(OPS.setGState, [gStateObj]); + } + }); + }, + + loadFont: function PartialEvaluator_loadFont(fontName, font, xref, + resources) { + + function errorFont() { + return Promise.resolve(new TranslatedFont('g_font_error', + new ErrorFont('Font ' + fontName + ' is not available'), font)); + } + var fontRef; + if (font) { // Loading by ref. + assert(isRef(font)); + fontRef = font; + } else { // Loading by name. + var fontRes = resources.get('Font'); + if (fontRes) { + fontRef = fontRes.getRaw(fontName); + } else { + warn('fontRes not available'); + return errorFont(); + } + } + if (!fontRef) { + warn('fontRef not available'); + return errorFont(); + } + + if (this.fontCache.has(fontRef)) { + return this.fontCache.get(fontRef); + } + + font = xref.fetchIfRef(fontRef); + if (!isDict(font)) { + return errorFont(); + } + + // We are holding font.translated references just for fontRef that are not + // dictionaries (Dict). See explanation below. + if (font.translated) { + return font.translated; + } + + var fontCapability = createPromiseCapability(); + + var preEvaluatedFont = this.preEvaluateFont(font, xref); + var descriptor = preEvaluatedFont.descriptor; + var fontID = fontRef.num + '_' + fontRef.gen; + if (isDict(descriptor)) { + if (!descriptor.fontAliases) { + descriptor.fontAliases = Object.create(null); + } + + var fontAliases = descriptor.fontAliases; + var hash = preEvaluatedFont.hash; + if (fontAliases[hash]) { + var aliasFontRef = fontAliases[hash].aliasRef; + if (aliasFontRef && this.fontCache.has(aliasFontRef)) { + this.fontCache.putAlias(fontRef, aliasFontRef); + return this.fontCache.get(fontRef); + } + } + + if (!fontAliases[hash]) { + fontAliases[hash] = { + fontID: Font.getFontID() + }; + } + + fontAliases[hash].aliasRef = fontRef; + fontID = fontAliases[hash].fontID; + } + + // Workaround for bad PDF generators that don't reference fonts + // properly, i.e. by not using an object identifier. + // Check if the fontRef is a Dict (as opposed to a standard object), + // in which case we don't cache the font and instead reference it by + // fontName in font.loadedName below. + var fontRefIsDict = isDict(fontRef); + if (!fontRefIsDict) { + this.fontCache.put(fontRef, fontCapability.promise); + } + + // Keep track of each font we translated so the caller can + // load them asynchronously before calling display on a page. + font.loadedName = 'g_' + this.pdfManager.docId + '_f' + (fontRefIsDict ? + fontName.replace(/\W/g, '') : fontID); + + font.translated = fontCapability.promise; + + // TODO move promises into translate font + var translatedPromise; + try { + translatedPromise = Promise.resolve( + this.translateFont(preEvaluatedFont, xref)); + } catch (e) { + translatedPromise = Promise.reject(e); + } + + var self = this; + translatedPromise.then(function (translatedFont) { + if (translatedFont.fontType !== undefined) { + var xrefFontStats = xref.stats.fontTypes; + xrefFontStats[translatedFont.fontType] = true; + } + + fontCapability.resolve(new TranslatedFont(font.loadedName, + translatedFont, font)); + }, function (reason) { + // TODO fontCapability.reject? + // Error in the font data -- sending unsupported feature notification. + self.handler.send('UnsupportedFeature', + {featureId: UNSUPPORTED_FEATURES.font}); + + try { + // error, but it's still nice to have font type reported + var descriptor = preEvaluatedFont.descriptor; + var fontFile3 = descriptor && descriptor.get('FontFile3'); + var subtype = fontFile3 && fontFile3.get('Subtype'); + var fontType = getFontType(preEvaluatedFont.type, + subtype && subtype.name); + var xrefFontStats = xref.stats.fontTypes; + xrefFontStats[fontType] = true; + } catch (ex) { } + + fontCapability.resolve(new TranslatedFont(font.loadedName, + new ErrorFont(reason instanceof Error ? reason.message : reason), + font)); + }); + return fontCapability.promise; + }, + + buildPath: function PartialEvaluator_buildPath(operatorList, fn, args) { + var lastIndex = operatorList.length - 1; + if (!args) { + args = []; + } + if (lastIndex < 0 || + operatorList.fnArray[lastIndex] !== OPS.constructPath) { + operatorList.addOp(OPS.constructPath, [[fn], args]); + } else { + var opArgs = operatorList.argsArray[lastIndex]; + opArgs[0].push(fn); + Array.prototype.push.apply(opArgs[1], args); + } + }, + + handleColorN: function PartialEvaluator_handleColorN(operatorList, fn, args, + cs, patterns, resources, task, xref) { + // compile tiling patterns + var patternName = args[args.length - 1]; + // SCN/scn applies patterns along with normal colors + var pattern; + if (isName(patternName) && + (pattern = patterns.get(patternName.name))) { + var dict = (isStream(pattern) ? pattern.dict : pattern); + var typeNum = dict.get('PatternType'); + + if (typeNum === TILING_PATTERN) { + var color = cs.base ? cs.base.getRgb(args, 0) : null; + return this.handleTilingType(fn, color, resources, pattern, + dict, operatorList, task); + } else if (typeNum === SHADING_PATTERN) { + var shading = dict.get('Shading'); + var matrix = dict.get('Matrix'); + pattern = Pattern.parseShading(shading, matrix, xref, resources, + this.handler); + operatorList.addOp(fn, pattern.getIR()); + return Promise.resolve(); + } else { + return Promise.reject('Unknown PatternType: ' + typeNum); + } + } + // TODO shall we fail here? + operatorList.addOp(fn, args); + return Promise.resolve(); + }, + + getOperatorList: function PartialEvaluator_getOperatorList(stream, + task, + resources, + operatorList, + initialState) { + + var self = this; + var xref = this.xref; + var imageCache = {}; + + assert(operatorList); + + resources = (resources || Dict.empty); + var xobjs = (resources.get('XObject') || Dict.empty); + var patterns = (resources.get('Pattern') || Dict.empty); + var stateManager = new StateManager(initialState || new EvalState()); + var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager); + var timeSlotManager = new TimeSlotManager(); + + return new Promise(function next(resolve, reject) { + task.ensureNotTerminated(); + timeSlotManager.reset(); + var stop, operation = {}, i, ii, cs; + while (!(stop = timeSlotManager.check())) { + // The arguments parsed by read() are used beyond this loop, so we + // cannot reuse the same array on each iteration. Therefore we pass + // in |null| as the initial value (see the comment on + // EvaluatorPreprocessor_read() for why). + operation.args = null; + if (!(preprocessor.read(operation))) { + break; + } + var args = operation.args; + var fn = operation.fn; + + switch (fn | 0) { + case OPS.paintXObject: + if (args[0].code) { + break; + } + // eagerly compile XForm objects + var name = args[0].name; + if (!name) { + warn('XObject must be referred to by name.'); + continue; + } + if (imageCache[name] !== undefined) { + operatorList.addOp(imageCache[name].fn, imageCache[name].args); + args = null; + continue; + } + + var xobj = xobjs.get(name); + if (xobj) { + assert(isStream(xobj), 'XObject should be a stream'); + + var type = xobj.dict.get('Subtype'); + assert(isName(type), + 'XObject should have a Name subtype'); + + if (type.name === 'Form') { + stateManager.save(); + return self.buildFormXObject(resources, xobj, null, + operatorList, task, + stateManager.state.clone()). + then(function () { + stateManager.restore(); + next(resolve, reject); + }, reject); + } else if (type.name === 'Image') { + self.buildPaintImageXObject(resources, xobj, false, + operatorList, name, imageCache); + args = null; + continue; + } else if (type.name === 'PS') { + // PostScript XObjects are unused when viewing documents. + // See section 4.7.1 of Adobe's PDF reference. + info('Ignored XObject subtype PS'); + continue; + } else { + error('Unhandled XObject subtype ' + type.name); + } + } + break; + case OPS.setFont: + var fontSize = args[1]; + // eagerly collect all fonts + return self.handleSetFont(resources, args, null, operatorList, + task, stateManager.state). + then(function (loadedName) { + operatorList.addDependency(loadedName); + operatorList.addOp(OPS.setFont, [loadedName, fontSize]); + next(resolve, reject); + }, reject); + case OPS.endInlineImage: + var cacheKey = args[0].cacheKey; + if (cacheKey) { + var cacheEntry = imageCache[cacheKey]; + if (cacheEntry !== undefined) { + operatorList.addOp(cacheEntry.fn, cacheEntry.args); + args = null; + continue; + } + } + self.buildPaintImageXObject(resources, args[0], true, + operatorList, cacheKey, imageCache); + args = null; + continue; + case OPS.showText: + args[0] = self.handleText(args[0], stateManager.state); + break; + case OPS.showSpacedText: + var arr = args[0]; + var combinedGlyphs = []; + var arrLength = arr.length; + var state = stateManager.state; + for (i = 0; i < arrLength; ++i) { + var arrItem = arr[i]; + if (isString(arrItem)) { + Array.prototype.push.apply(combinedGlyphs, + self.handleText(arrItem, state)); + } else if (isNum(arrItem)) { + combinedGlyphs.push(arrItem); + } + } + args[0] = combinedGlyphs; + fn = OPS.showText; + break; + case OPS.nextLineShowText: + operatorList.addOp(OPS.nextLine); + args[0] = self.handleText(args[0], stateManager.state); + fn = OPS.showText; + break; + case OPS.nextLineSetSpacingShowText: + operatorList.addOp(OPS.nextLine); + operatorList.addOp(OPS.setWordSpacing, [args.shift()]); + operatorList.addOp(OPS.setCharSpacing, [args.shift()]); + args[0] = self.handleText(args[0], stateManager.state); + fn = OPS.showText; + break; + case OPS.setTextRenderingMode: + stateManager.state.textRenderingMode = args[0]; + break; + + case OPS.setFillColorSpace: + stateManager.state.fillColorSpace = + ColorSpace.parse(args[0], xref, resources); + continue; + case OPS.setStrokeColorSpace: + stateManager.state.strokeColorSpace = + ColorSpace.parse(args[0], xref, resources); + continue; + case OPS.setFillColor: + cs = stateManager.state.fillColorSpace; + args = cs.getRgb(args, 0); + fn = OPS.setFillRGBColor; + break; + case OPS.setStrokeColor: + cs = stateManager.state.strokeColorSpace; + args = cs.getRgb(args, 0); + fn = OPS.setStrokeRGBColor; + break; + case OPS.setFillGray: + stateManager.state.fillColorSpace = ColorSpace.singletons.gray; + args = ColorSpace.singletons.gray.getRgb(args, 0); + fn = OPS.setFillRGBColor; + break; + case OPS.setStrokeGray: + stateManager.state.strokeColorSpace = ColorSpace.singletons.gray; + args = ColorSpace.singletons.gray.getRgb(args, 0); + fn = OPS.setStrokeRGBColor; + break; + case OPS.setFillCMYKColor: + stateManager.state.fillColorSpace = ColorSpace.singletons.cmyk; + args = ColorSpace.singletons.cmyk.getRgb(args, 0); + fn = OPS.setFillRGBColor; + break; + case OPS.setStrokeCMYKColor: + stateManager.state.strokeColorSpace = ColorSpace.singletons.cmyk; + args = ColorSpace.singletons.cmyk.getRgb(args, 0); + fn = OPS.setStrokeRGBColor; + break; + case OPS.setFillRGBColor: + stateManager.state.fillColorSpace = ColorSpace.singletons.rgb; + args = ColorSpace.singletons.rgb.getRgb(args, 0); + break; + case OPS.setStrokeRGBColor: + stateManager.state.strokeColorSpace = ColorSpace.singletons.rgb; + args = ColorSpace.singletons.rgb.getRgb(args, 0); + break; + case OPS.setFillColorN: + cs = stateManager.state.fillColorSpace; + if (cs.name === 'Pattern') { + return self.handleColorN(operatorList, OPS.setFillColorN, + args, cs, patterns, resources, task, xref).then(function() { + next(resolve, reject); + }, reject); + } + args = cs.getRgb(args, 0); + fn = OPS.setFillRGBColor; + break; + case OPS.setStrokeColorN: + cs = stateManager.state.strokeColorSpace; + if (cs.name === 'Pattern') { + return self.handleColorN(operatorList, OPS.setStrokeColorN, + args, cs, patterns, resources, task, xref).then(function() { + next(resolve, reject); + }, reject); + } + args = cs.getRgb(args, 0); + fn = OPS.setStrokeRGBColor; + break; + + case OPS.shadingFill: + var shadingRes = resources.get('Shading'); + if (!shadingRes) { + error('No shading resource found'); + } + + var shading = shadingRes.get(args[0].name); + if (!shading) { + error('No shading object found'); + } + + var shadingFill = Pattern.parseShading(shading, null, xref, + resources, self.handler); + var patternIR = shadingFill.getIR(); + args = [patternIR]; + fn = OPS.shadingFill; + break; + case OPS.setGState: + var dictName = args[0]; + var extGState = resources.get('ExtGState'); + + if (!isDict(extGState) || !extGState.has(dictName.name)) { + break; + } + + var gState = extGState.get(dictName.name); + return self.setGState(resources, gState, operatorList, task, + xref, stateManager).then(function() { + next(resolve, reject); + }, reject); + case OPS.moveTo: + case OPS.lineTo: + case OPS.curveTo: + case OPS.curveTo2: + case OPS.curveTo3: + case OPS.closePath: + self.buildPath(operatorList, fn, args); + continue; + case OPS.rectangle: + self.buildPath(operatorList, fn, args); + continue; + case OPS.markPoint: + case OPS.markPointProps: + case OPS.beginMarkedContent: + case OPS.beginMarkedContentProps: + case OPS.endMarkedContent: + case OPS.beginCompat: + case OPS.endCompat: + // Ignore operators where the corresponding handlers are known to + // be no-op in CanvasGraphics (display/canvas.js). This prevents + // serialization errors and is also a bit more efficient. + // We could also try to serialize all objects in a general way, + // e.g. as done in https://github.com/mozilla/pdf.js/pull/6266, + // but doing so is meaningless without knowing the semantics. + continue; + default: + // Note: Let's hope that the ignored operator does not have any + // non-serializable arguments, otherwise postMessage will throw + // "An object could not be cloned.". + } + operatorList.addOp(fn, args); + } + if (stop) { + deferred.then(function () { + next(resolve, reject); + }, reject); + return; + } + // Some PDFs don't close all restores inside object/form. + // Closing those for them. + for (i = 0, ii = preprocessor.savedStatesDepth; i < ii; i++) { + operatorList.addOp(OPS.restore, []); + } + resolve(); + }); + }, + + getTextContent: + function PartialEvaluator_getTextContent(stream, task, resources, + stateManager, + normalizeWhitespace) { + + stateManager = (stateManager || new StateManager(new TextState())); + + var WhitespaceRegexp = /\s/g; + + var textContent = { + items: [], + styles: Object.create(null) + }; + var textContentItem = { + initialized: false, + str: [], + width: 0, + height: 0, + vertical: false, + lastAdvanceWidth: 0, + lastAdvanceHeight: 0, + textAdvanceScale: 0, + spaceWidth: 0, + fakeSpaceMin: Infinity, + fakeMultiSpaceMin: Infinity, + fakeMultiSpaceMax: -0, + textRunBreakAllowed: false, + transform: null, + fontName: null + }; + var SPACE_FACTOR = 0.3; + var MULTI_SPACE_FACTOR = 1.5; + var MULTI_SPACE_FACTOR_MAX = 4; + + var self = this; + var xref = this.xref; + + resources = (xref.fetchIfRef(resources) || Dict.empty); + + // The xobj is parsed iff it's needed, e.g. if there is a `DO` cmd. + var xobjs = null; + var xobjsCache = {}; + + var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager); + + var textState; + + function ensureTextContentItem() { + if (textContentItem.initialized) { + return textContentItem; + } + var font = textState.font; + if (!(font.loadedName in textContent.styles)) { + textContent.styles[font.loadedName] = { + fontFamily: font.fallbackName, + ascent: font.ascent, + descent: font.descent, + vertical: font.vertical + }; + } + textContentItem.fontName = font.loadedName; + + // 9.4.4 Text Space Details + var tsm = [textState.fontSize * textState.textHScale, 0, + 0, textState.fontSize, + 0, textState.textRise]; + + if (font.isType3Font && + textState.fontMatrix !== FONT_IDENTITY_MATRIX && + textState.fontSize === 1) { + var glyphHeight = font.bbox[3] - font.bbox[1]; + if (glyphHeight > 0) { + glyphHeight = glyphHeight * textState.fontMatrix[3]; + tsm[3] *= glyphHeight; + } + } + + var trm = Util.transform(textState.ctm, + Util.transform(textState.textMatrix, tsm)); + textContentItem.transform = trm; + if (!font.vertical) { + textContentItem.width = 0; + textContentItem.height = Math.sqrt(trm[2] * trm[2] + trm[3] * trm[3]); + textContentItem.vertical = false; + } else { + textContentItem.width = Math.sqrt(trm[0] * trm[0] + trm[1] * trm[1]); + textContentItem.height = 0; + textContentItem.vertical = true; + } + + var a = textState.textLineMatrix[0]; + var b = textState.textLineMatrix[1]; + var scaleLineX = Math.sqrt(a * a + b * b); + a = textState.ctm[0]; + b = textState.ctm[1]; + var scaleCtmX = Math.sqrt(a * a + b * b); + textContentItem.textAdvanceScale = scaleCtmX * scaleLineX; + textContentItem.lastAdvanceWidth = 0; + textContentItem.lastAdvanceHeight = 0; + + var spaceWidth = font.spaceWidth / 1000 * textState.fontSize; + if (spaceWidth) { + textContentItem.spaceWidth = spaceWidth; + textContentItem.fakeSpaceMin = spaceWidth * SPACE_FACTOR; + textContentItem.fakeMultiSpaceMin = spaceWidth * MULTI_SPACE_FACTOR; + textContentItem.fakeMultiSpaceMax = + spaceWidth * MULTI_SPACE_FACTOR_MAX; + // It's okay for monospace fonts to fake as much space as needed. + textContentItem.textRunBreakAllowed = !font.isMonospace; + } else { + textContentItem.spaceWidth = 0; + textContentItem.fakeSpaceMin = Infinity; + textContentItem.fakeMultiSpaceMin = Infinity; + textContentItem.fakeMultiSpaceMax = 0; + textContentItem.textRunBreakAllowed = false; + } + + + textContentItem.initialized = true; + return textContentItem; + } + + function replaceWhitespace(str) { + // Replaces all whitespaces with standard spaces (0x20), to avoid + // alignment issues between the textLayer and the canvas if the text + // contains e.g. tabs (fixes issue6612.pdf). + var i = 0, ii = str.length, code; + while (i < ii && (code = str.charCodeAt(i)) >= 0x20 && code <= 0x7F) { + i++; + } + return (i < ii ? str.replace(WhitespaceRegexp, ' ') : str); + } + + function runBidiTransform(textChunk) { + var str = textChunk.str.join(''); + var bidiResult = PDFJS.bidi(str, -1, textChunk.vertical); + return { + str: (normalizeWhitespace ? replaceWhitespace(bidiResult.str) : + bidiResult.str), + dir: bidiResult.dir, + width: textChunk.width, + height: textChunk.height, + transform: textChunk.transform, + fontName: textChunk.fontName + }; + } + + function handleSetFont(fontName, fontRef) { + return self.loadFont(fontName, fontRef, xref, resources). + then(function (translated) { + textState.font = translated.font; + textState.fontMatrix = translated.font.fontMatrix || + FONT_IDENTITY_MATRIX; + }); + } + + function buildTextContentItem(chars) { + var font = textState.font; + var textChunk = ensureTextContentItem(); + var width = 0; + var height = 0; + var glyphs = font.charsToGlyphs(chars); + var defaultVMetrics = font.defaultVMetrics; + for (var i = 0; i < glyphs.length; i++) { + var glyph = glyphs[i]; + var vMetricX = null; + var vMetricY = null; + var glyphWidth = null; + if (font.vertical) { + if (glyph.vmetric) { + glyphWidth = glyph.vmetric[0]; + vMetricX = glyph.vmetric[1]; + vMetricY = glyph.vmetric[2]; + } else { + glyphWidth = glyph.width; + vMetricX = glyph.width * 0.5; + vMetricY = defaultVMetrics[2]; + } + } else { + glyphWidth = glyph.width; + } + + var glyphUnicode = glyph.unicode; + if (NormalizedUnicodes[glyphUnicode] !== undefined) { + glyphUnicode = NormalizedUnicodes[glyphUnicode]; + } + glyphUnicode = reverseIfRtl(glyphUnicode); + + // The following will calculate the x and y of the individual glyphs. + // if (font.vertical) { + // tsm[4] -= vMetricX * Math.abs(textState.fontSize) * + // textState.fontMatrix[0]; + // tsm[5] -= vMetricY * textState.fontSize * + // textState.fontMatrix[0]; + // } + // var trm = Util.transform(textState.textMatrix, tsm); + // var pt = Util.applyTransform([trm[4], trm[5]], textState.ctm); + // var x = pt[0]; + // var y = pt[1]; + + var charSpacing = textState.charSpacing; + if (glyph.isSpace) { + var wordSpacing = textState.wordSpacing; + charSpacing += wordSpacing; + if (wordSpacing > 0) { + addFakeSpaces(wordSpacing, textChunk.str); + } + } + + var tx = 0; + var ty = 0; + if (!font.vertical) { + var w0 = glyphWidth * textState.fontMatrix[0]; + tx = (w0 * textState.fontSize + charSpacing) * + textState.textHScale; + width += tx; + } else { + var w1 = glyphWidth * textState.fontMatrix[0]; + ty = w1 * textState.fontSize + charSpacing; + height += ty; + } + textState.translateTextMatrix(tx, ty); + + textChunk.str.push(glyphUnicode); + } + + if (!font.vertical) { + textChunk.lastAdvanceWidth = width; + textChunk.width += width * textChunk.textAdvanceScale; + } else { + textChunk.lastAdvanceHeight = height; + textChunk.height += Math.abs(height * textChunk.textAdvanceScale); + } + + return textChunk; + } + + function addFakeSpaces(width, strBuf) { + if (width < textContentItem.fakeSpaceMin) { + return; + } + if (width < textContentItem.fakeMultiSpaceMin) { + strBuf.push(' '); + return; + } + var fakeSpaces = Math.round(width / textContentItem.spaceWidth); + while (fakeSpaces-- > 0) { + strBuf.push(' '); + } + } + + function flushTextContentItem() { + if (!textContentItem.initialized) { + return; + } + textContent.items.push(runBidiTransform(textContentItem)); + + textContentItem.initialized = false; + textContentItem.str.length = 0; + } + + var timeSlotManager = new TimeSlotManager(); + + return new Promise(function next(resolve, reject) { + task.ensureNotTerminated(); + timeSlotManager.reset(); + var stop, operation = {}, args = []; + while (!(stop = timeSlotManager.check())) { + // The arguments parsed by read() are not used beyond this loop, so + // we can reuse the same array on every iteration, thus avoiding + // unnecessary allocations. + args.length = 0; + operation.args = args; + if (!(preprocessor.read(operation))) { + break; + } + textState = stateManager.state; + var fn = operation.fn; + args = operation.args; + var advance; + + switch (fn | 0) { + case OPS.setFont: + flushTextContentItem(); + textState.fontSize = args[1]; + return handleSetFont(args[0].name).then(function() { + next(resolve, reject); + }, reject); + case OPS.setTextRise: + flushTextContentItem(); + textState.textRise = args[0]; + break; + case OPS.setHScale: + flushTextContentItem(); + textState.textHScale = args[0] / 100; + break; + case OPS.setLeading: + flushTextContentItem(); + textState.leading = args[0]; + break; + case OPS.moveText: + // Optimization to treat same line movement as advance + var isSameTextLine = !textState.font ? false : + ((textState.font.vertical ? args[0] : args[1]) === 0); + advance = args[0] - args[1]; + if (isSameTextLine && textContentItem.initialized && + advance > 0 && + advance <= textContentItem.fakeMultiSpaceMax) { + textState.translateTextLineMatrix(args[0], args[1]); + textContentItem.width += + (args[0] - textContentItem.lastAdvanceWidth); + textContentItem.height += + (args[1] - textContentItem.lastAdvanceHeight); + var diff = (args[0] - textContentItem.lastAdvanceWidth) - + (args[1] - textContentItem.lastAdvanceHeight); + addFakeSpaces(diff, textContentItem.str); + break; + } + + flushTextContentItem(); + textState.translateTextLineMatrix(args[0], args[1]); + textState.textMatrix = textState.textLineMatrix.slice(); + break; + case OPS.setLeadingMoveText: + flushTextContentItem(); + textState.leading = -args[1]; + textState.translateTextLineMatrix(args[0], args[1]); + textState.textMatrix = textState.textLineMatrix.slice(); + break; + case OPS.nextLine: + flushTextContentItem(); + textState.carriageReturn(); + break; + case OPS.setTextMatrix: + flushTextContentItem(); + textState.setTextMatrix(args[0], args[1], args[2], args[3], + args[4], args[5]); + textState.setTextLineMatrix(args[0], args[1], args[2], args[3], + args[4], args[5]); + break; + case OPS.setCharSpacing: + textState.charSpacing = args[0]; + break; + case OPS.setWordSpacing: + textState.wordSpacing = args[0]; + break; + case OPS.beginText: + flushTextContentItem(); + textState.textMatrix = IDENTITY_MATRIX.slice(); + textState.textLineMatrix = IDENTITY_MATRIX.slice(); + break; + case OPS.showSpacedText: + var items = args[0]; + var offset; + for (var j = 0, jj = items.length; j < jj; j++) { + if (typeof items[j] === 'string') { + buildTextContentItem(items[j]); + } else { + ensureTextContentItem(); + + // PDF Specification 5.3.2 states: + // The number is expressed in thousandths of a unit of text + // space. + // This amount is subtracted from the current horizontal or + // vertical coordinate, depending on the writing mode. + // In the default coordinate system, a positive adjustment + // has the effect of moving the next glyph painted either to + // the left or down by the given amount. + advance = items[j] * textState.fontSize / 1000; + var breakTextRun = false; + if (textState.font.vertical) { + offset = advance * + (textState.textHScale * textState.textMatrix[2] + + textState.textMatrix[3]); + textState.translateTextMatrix(0, advance); + breakTextRun = textContentItem.textRunBreakAllowed && + advance > textContentItem.fakeMultiSpaceMax; + if (!breakTextRun) { + // Value needs to be added to height to paint down. + textContentItem.height += offset; + } + } else { + advance = -advance; + offset = advance * ( + textState.textHScale * textState.textMatrix[0] + + textState.textMatrix[1]); + textState.translateTextMatrix(advance, 0); + breakTextRun = textContentItem.textRunBreakAllowed && + advance > textContentItem.fakeMultiSpaceMax; + if (!breakTextRun) { + // Value needs to be subtracted from width to paint left. + textContentItem.width += offset; + } + } + if (breakTextRun) { + flushTextContentItem(); + } else if (advance > 0) { + addFakeSpaces(advance, textContentItem.str); + } + } + } + break; + case OPS.showText: + buildTextContentItem(args[0]); + break; + case OPS.nextLineShowText: + flushTextContentItem(); + textState.carriageReturn(); + buildTextContentItem(args[0]); + break; + case OPS.nextLineSetSpacingShowText: + flushTextContentItem(); + textState.wordSpacing = args[0]; + textState.charSpacing = args[1]; + textState.carriageReturn(); + buildTextContentItem(args[2]); + break; + case OPS.paintXObject: + flushTextContentItem(); + if (args[0].code) { + break; + } + + if (!xobjs) { + xobjs = (resources.get('XObject') || Dict.empty); + } + + var name = args[0].name; + if (xobjsCache.key === name) { + if (xobjsCache.texts) { + Util.appendToArray(textContent.items, xobjsCache.texts.items); + Util.extendObj(textContent.styles, xobjsCache.texts.styles); + } + break; + } + + var xobj = xobjs.get(name); + if (!xobj) { + break; + } + assert(isStream(xobj), 'XObject should be a stream'); + + var type = xobj.dict.get('Subtype'); + assert(isName(type), + 'XObject should have a Name subtype'); + + if ('Form' !== type.name) { + xobjsCache.key = name; + xobjsCache.texts = null; + break; + } + + stateManager.save(); + var matrix = xobj.dict.get('Matrix'); + if (isArray(matrix) && matrix.length === 6) { + stateManager.transform(matrix); + } + + return self.getTextContent(xobj, task, + xobj.dict.get('Resources') || resources, stateManager, + normalizeWhitespace).then(function (formTextContent) { + Util.appendToArray(textContent.items, formTextContent.items); + Util.extendObj(textContent.styles, formTextContent.styles); + stateManager.restore(); + + xobjsCache.key = name; + xobjsCache.texts = formTextContent; + + next(resolve, reject); + }, reject); + case OPS.setGState: + flushTextContentItem(); + var dictName = args[0]; + var extGState = resources.get('ExtGState'); + + if (!isDict(extGState) || !extGState.has(dictName.name)) { + break; + } + + var gsStateMap = extGState.get(dictName.name); + var gsStateFont = null; + for (var key in gsStateMap) { + if (key === 'Font') { + assert(!gsStateFont); + gsStateFont = gsStateMap[key]; + } + } + if (gsStateFont) { + textState.fontSize = gsStateFont[1]; + return handleSetFont(gsStateFont[0]).then(function() { + next(resolve, reject); + }, reject); + } + break; + } // switch + } // while + if (stop) { + deferred.then(function () { + next(resolve, reject); + }, reject); + return; + } + flushTextContentItem(); + resolve(textContent); + }); + }, + + extractDataStructures: function + partialEvaluatorExtractDataStructures(dict, baseDict, + xref, properties) { + // 9.10.2 + var toUnicode = (dict.get('ToUnicode') || baseDict.get('ToUnicode')); + if (toUnicode) { + properties.toUnicode = this.readToUnicode(toUnicode); + } + if (properties.composite) { + // CIDSystemInfo helps to match CID to glyphs + var cidSystemInfo = dict.get('CIDSystemInfo'); + if (isDict(cidSystemInfo)) { + properties.cidSystemInfo = { + registry: cidSystemInfo.get('Registry'), + ordering: cidSystemInfo.get('Ordering'), + supplement: cidSystemInfo.get('Supplement') + }; + } + + var cidToGidMap = dict.get('CIDToGIDMap'); + if (isStream(cidToGidMap)) { + properties.cidToGidMap = this.readCidToGidMap(cidToGidMap); + } + } + + // Based on 9.6.6 of the spec the encoding can come from multiple places + // and depends on the font type. The base encoding and differences are + // read here, but the encoding that is actually used is chosen during + // glyph mapping in the font. + // TODO: Loading the built in encoding in the font would allow the + // differences to be merged in here not require us to hold on to it. + var differences = []; + var baseEncodingName = null; + var encoding; + if (dict.has('Encoding')) { + encoding = dict.get('Encoding'); + if (isDict(encoding)) { + baseEncodingName = encoding.get('BaseEncoding'); + baseEncodingName = (isName(baseEncodingName) ? + baseEncodingName.name : null); + // Load the differences between the base and original + if (encoding.has('Differences')) { + var diffEncoding = encoding.get('Differences'); + var index = 0; + for (var j = 0, jj = diffEncoding.length; j < jj; j++) { + var data = diffEncoding[j]; + if (isNum(data)) { + index = data; + } else if (isName(data)) { + differences[index++] = data.name; + } else if (isRef(data)) { + diffEncoding[j--] = xref.fetch(data); + continue; + } else { + error('Invalid entry in \'Differences\' array: ' + data); + } + } + } + } else if (isName(encoding)) { + baseEncodingName = encoding.name; + } else { + error('Encoding is not a Name nor a Dict'); + } + // According to table 114 if the encoding is a named encoding it must be + // one of these predefined encodings. + if ((baseEncodingName !== 'MacRomanEncoding' && + baseEncodingName !== 'MacExpertEncoding' && + baseEncodingName !== 'WinAnsiEncoding')) { + baseEncodingName = null; + } + } + + if (baseEncodingName) { + properties.defaultEncoding = Encodings[baseEncodingName].slice(); + } else { + encoding = (properties.type === 'TrueType' ? + Encodings.WinAnsiEncoding : Encodings.StandardEncoding); + // The Symbolic attribute can be misused for regular fonts + // Heuristic: we have to check if the font is a standard one also + if (!!(properties.flags & FontFlags.Symbolic)) { + encoding = Encodings.MacRomanEncoding; + if (!properties.file) { + if (/Symbol/i.test(properties.name)) { + encoding = Encodings.SymbolSetEncoding; + } else if (/Dingbats/i.test(properties.name)) { + encoding = Encodings.ZapfDingbatsEncoding; + } + } + } + properties.defaultEncoding = encoding; + } + + properties.differences = differences; + properties.baseEncodingName = baseEncodingName; + properties.dict = dict; + }, + + readToUnicode: function PartialEvaluator_readToUnicode(toUnicode) { + var cmap, cmapObj = toUnicode; + if (isName(cmapObj)) { + cmap = CMapFactory.create(cmapObj, + { url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null); + if (cmap instanceof IdentityCMap) { + return new IdentityToUnicodeMap(0, 0xFFFF); + } + return new ToUnicodeMap(cmap.getMap()); + } else if (isStream(cmapObj)) { + cmap = CMapFactory.create(cmapObj, + { url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null); + if (cmap instanceof IdentityCMap) { + return new IdentityToUnicodeMap(0, 0xFFFF); + } + var map = new Array(cmap.length); + // Convert UTF-16BE + // NOTE: cmap can be a sparse array, so use forEach instead of for(;;) + // to iterate over all keys. + cmap.forEach(function(charCode, token) { + var str = []; + for (var k = 0; k < token.length; k += 2) { + var w1 = (token.charCodeAt(k) << 8) | token.charCodeAt(k + 1); + if ((w1 & 0xF800) !== 0xD800) { // w1 < 0xD800 || w1 > 0xDFFF + str.push(w1); + continue; + } + k += 2; + var w2 = (token.charCodeAt(k) << 8) | token.charCodeAt(k + 1); + str.push(((w1 & 0x3ff) << 10) + (w2 & 0x3ff) + 0x10000); + } + map[charCode] = String.fromCharCode.apply(String, str); + }); + return new ToUnicodeMap(map); + } + return null; + }, + + readCidToGidMap: function PartialEvaluator_readCidToGidMap(cidToGidStream) { + // Extract the encoding from the CIDToGIDMap + var glyphsData = cidToGidStream.getBytes(); + + // Set encoding 0 to later verify the font has an encoding + var result = []; + for (var j = 0, jj = glyphsData.length; j < jj; j++) { + var glyphID = (glyphsData[j++] << 8) | glyphsData[j]; + if (glyphID === 0) { + continue; + } + var code = j >> 1; + result[code] = glyphID; + } + return result; + }, + + extractWidths: function PartialEvaluator_extractWidths(dict, xref, + descriptor, + properties) { + var glyphsWidths = []; + var defaultWidth = 0; + var glyphsVMetrics = []; + var defaultVMetrics; + var i, ii, j, jj, start, code, widths; + if (properties.composite) { + defaultWidth = dict.get('DW') || 1000; + + widths = dict.get('W'); + if (widths) { + for (i = 0, ii = widths.length; i < ii; i++) { + start = widths[i++]; + code = xref.fetchIfRef(widths[i]); + if (isArray(code)) { + for (j = 0, jj = code.length; j < jj; j++) { + glyphsWidths[start++] = code[j]; + } + } else { + var width = widths[++i]; + for (j = start; j <= code; j++) { + glyphsWidths[j] = width; + } + } + } + } + + if (properties.vertical) { + var vmetrics = (dict.get('DW2') || [880, -1000]); + defaultVMetrics = [vmetrics[1], defaultWidth * 0.5, vmetrics[0]]; + vmetrics = dict.get('W2'); + if (vmetrics) { + for (i = 0, ii = vmetrics.length; i < ii; i++) { + start = vmetrics[i++]; + code = xref.fetchIfRef(vmetrics[i]); + if (isArray(code)) { + for (j = 0, jj = code.length; j < jj; j++) { + glyphsVMetrics[start++] = [code[j++], code[j++], code[j]]; + } + } else { + var vmetric = [vmetrics[++i], vmetrics[++i], vmetrics[++i]]; + for (j = start; j <= code; j++) { + glyphsVMetrics[j] = vmetric; + } + } + } + } + } + } else { + var firstChar = properties.firstChar; + widths = dict.get('Widths'); + if (widths) { + j = firstChar; + for (i = 0, ii = widths.length; i < ii; i++) { + glyphsWidths[j++] = widths[i]; + } + defaultWidth = (parseFloat(descriptor.get('MissingWidth')) || 0); + } else { + // Trying get the BaseFont metrics (see comment above). + var baseFontName = dict.get('BaseFont'); + if (isName(baseFontName)) { + var metrics = this.getBaseFontMetrics(baseFontName.name); + + glyphsWidths = this.buildCharCodeToWidth(metrics.widths, + properties); + defaultWidth = metrics.defaultWidth; + } + } + } + + // Heuristic: detection of monospace font by checking all non-zero widths + var isMonospace = true; + var firstWidth = defaultWidth; + for (var glyph in glyphsWidths) { + var glyphWidth = glyphsWidths[glyph]; + if (!glyphWidth) { + continue; + } + if (!firstWidth) { + firstWidth = glyphWidth; + continue; + } + if (firstWidth !== glyphWidth) { + isMonospace = false; + break; + } + } + if (isMonospace) { + properties.flags |= FontFlags.FixedPitch; + } + + properties.defaultWidth = defaultWidth; + properties.widths = glyphsWidths; + properties.defaultVMetrics = defaultVMetrics; + properties.vmetrics = glyphsVMetrics; + }, + + isSerifFont: function PartialEvaluator_isSerifFont(baseFontName) { + // Simulating descriptor flags attribute + var fontNameWoStyle = baseFontName.split('-')[0]; + return (fontNameWoStyle in serifFonts) || + (fontNameWoStyle.search(/serif/gi) !== -1); + }, + + getBaseFontMetrics: function PartialEvaluator_getBaseFontMetrics(name) { + var defaultWidth = 0; + var widths = []; + var monospace = false; + var lookupName = (stdFontMap[name] || name); + + if (!(lookupName in Metrics)) { + // Use default fonts for looking up font metrics if the passed + // font is not a base font + if (this.isSerifFont(name)) { + lookupName = 'Times-Roman'; + } else { + lookupName = 'Helvetica'; + } + } + var glyphWidths = Metrics[lookupName]; + + if (isNum(glyphWidths)) { + defaultWidth = glyphWidths; + monospace = true; + } else { + widths = glyphWidths; + } + + return { + defaultWidth: defaultWidth, + monospace: monospace, + widths: widths + }; + }, + + buildCharCodeToWidth: + function PartialEvaluator_bulildCharCodeToWidth(widthsByGlyphName, + properties) { + var widths = Object.create(null); + var differences = properties.differences; + var encoding = properties.defaultEncoding; + for (var charCode = 0; charCode < 256; charCode++) { + if (charCode in differences && + widthsByGlyphName[differences[charCode]]) { + widths[charCode] = widthsByGlyphName[differences[charCode]]; + continue; + } + if (charCode in encoding && widthsByGlyphName[encoding[charCode]]) { + widths[charCode] = widthsByGlyphName[encoding[charCode]]; + continue; + } + } + return widths; + }, + + preEvaluateFont: function PartialEvaluator_preEvaluateFont(dict, xref) { + var baseDict = dict; + var type = dict.get('Subtype'); + assert(isName(type), 'invalid font Subtype'); + + var composite = false; + var uint8array; + if (type.name === 'Type0') { + // If font is a composite + // - get the descendant font + // - set the type according to the descendant font + // - get the FontDescriptor from the descendant font + var df = dict.get('DescendantFonts'); + if (!df) { + error('Descendant fonts are not specified'); + } + dict = (isArray(df) ? xref.fetchIfRef(df[0]) : df); + + type = dict.get('Subtype'); + assert(isName(type), 'invalid font Subtype'); + composite = true; + } + + var descriptor = dict.get('FontDescriptor'); + if (descriptor) { + var hash = new MurmurHash3_64(); + var encoding = baseDict.getRaw('Encoding'); + if (isName(encoding)) { + hash.update(encoding.name); + } else if (isRef(encoding)) { + hash.update(encoding.num + '_' + encoding.gen); + } else if (isDict(encoding)) { + var keys = encoding.getKeys(); + for (var i = 0, ii = keys.length; i < ii; i++) { + var entry = encoding.getRaw(keys[i]); + if (isName(entry)) { + hash.update(entry.name); + } else if (isRef(entry)) { + hash.update(entry.num + '_' + entry.gen); + } else if (isArray(entry)) { // 'Differences' entry. + // Ideally we should check the contents of the array, but to avoid + // parsing it here and then again in |extractDataStructures|, + // we only use the array length for now (fixes bug1157493.pdf). + hash.update(entry.length.toString()); + } + } + } + + var toUnicode = dict.get('ToUnicode') || baseDict.get('ToUnicode'); + if (isStream(toUnicode)) { + var stream = toUnicode.str || toUnicode; + uint8array = stream.buffer ? + new Uint8Array(stream.buffer.buffer, 0, stream.bufferLength) : + new Uint8Array(stream.bytes.buffer, + stream.start, stream.end - stream.start); + hash.update(uint8array); + + } else if (isName(toUnicode)) { + hash.update(toUnicode.name); + } + + var widths = dict.get('Widths') || baseDict.get('Widths'); + if (widths) { + uint8array = new Uint8Array(new Uint32Array(widths).buffer); + hash.update(uint8array); + } + } + + return { + descriptor: descriptor, + dict: dict, + baseDict: baseDict, + composite: composite, + type: type.name, + hash: hash ? hash.hexdigest() : '' + }; + }, + + translateFont: function PartialEvaluator_translateFont(preEvaluatedFont, + xref) { + var baseDict = preEvaluatedFont.baseDict; + var dict = preEvaluatedFont.dict; + var composite = preEvaluatedFont.composite; + var descriptor = preEvaluatedFont.descriptor; + var type = preEvaluatedFont.type; + var maxCharIndex = (composite ? 0xFFFF : 0xFF); + var properties; + + if (!descriptor) { + if (type === 'Type3') { + // FontDescriptor is only required for Type3 fonts when the document + // is a tagged pdf. Create a barbebones one to get by. + descriptor = new Dict(null); + descriptor.set('FontName', Name.get(type)); + descriptor.set('FontBBox', dict.get('FontBBox')); + } else { + // Before PDF 1.5 if the font was one of the base 14 fonts, having a + // FontDescriptor was not required. + // This case is here for compatibility. + var baseFontName = dict.get('BaseFont'); + if (!isName(baseFontName)) { + error('Base font is not specified'); + } + + // Using base font name as a font name. + baseFontName = baseFontName.name.replace(/[,_]/g, '-'); + var metrics = this.getBaseFontMetrics(baseFontName); + + // Simulating descriptor flags attribute + var fontNameWoStyle = baseFontName.split('-')[0]; + var flags = + (this.isSerifFont(fontNameWoStyle) ? FontFlags.Serif : 0) | + (metrics.monospace ? FontFlags.FixedPitch : 0) | + (symbolsFonts[fontNameWoStyle] ? FontFlags.Symbolic : + FontFlags.Nonsymbolic); + + properties = { + type: type, + name: baseFontName, + widths: metrics.widths, + defaultWidth: metrics.defaultWidth, + flags: flags, + firstChar: 0, + lastChar: maxCharIndex + }; + this.extractDataStructures(dict, dict, xref, properties); + properties.widths = this.buildCharCodeToWidth(metrics.widths, + properties); + return new Font(baseFontName, null, properties); + } + } + + // According to the spec if 'FontDescriptor' is declared, 'FirstChar', + // 'LastChar' and 'Widths' should exist too, but some PDF encoders seem + // to ignore this rule when a variant of a standart font is used. + // TODO Fill the width array depending on which of the base font this is + // a variant. + var firstChar = (dict.get('FirstChar') || 0); + var lastChar = (dict.get('LastChar') || maxCharIndex); + + var fontName = descriptor.get('FontName'); + var baseFont = dict.get('BaseFont'); + // Some bad PDFs have a string as the font name. + if (isString(fontName)) { + fontName = Name.get(fontName); + } + if (isString(baseFont)) { + baseFont = Name.get(baseFont); + } + + if (type !== 'Type3') { + var fontNameStr = fontName && fontName.name; + var baseFontStr = baseFont && baseFont.name; + if (fontNameStr !== baseFontStr) { + info('The FontDescriptor\'s FontName is "' + fontNameStr + + '" but should be the same as the Font\'s BaseFont "' + + baseFontStr + '"'); + // Workaround for cases where e.g. fontNameStr = 'Arial' and + // baseFontStr = 'Arial,Bold' (needed when no font file is embedded). + if (fontNameStr && baseFontStr && + baseFontStr.indexOf(fontNameStr) === 0) { + fontName = baseFont; + } + } + } + fontName = (fontName || baseFont); + + assert(isName(fontName), 'invalid font name'); + + var fontFile = descriptor.get('FontFile', 'FontFile2', 'FontFile3'); + if (fontFile) { + if (fontFile.dict) { + var subtype = fontFile.dict.get('Subtype'); + if (subtype) { + subtype = subtype.name; + } + var length1 = fontFile.dict.get('Length1'); + var length2 = fontFile.dict.get('Length2'); + } + } + + properties = { + type: type, + name: fontName.name, + subtype: subtype, + file: fontFile, + length1: length1, + length2: length2, + loadedName: baseDict.loadedName, + composite: composite, + wideChars: composite, + fixedPitch: false, + fontMatrix: (dict.get('FontMatrix') || FONT_IDENTITY_MATRIX), + firstChar: firstChar || 0, + lastChar: (lastChar || maxCharIndex), + bbox: descriptor.get('FontBBox'), + ascent: descriptor.get('Ascent'), + descent: descriptor.get('Descent'), + xHeight: descriptor.get('XHeight'), + capHeight: descriptor.get('CapHeight'), + flags: descriptor.get('Flags'), + italicAngle: descriptor.get('ItalicAngle'), + coded: false + }; + + if (composite) { + var cidEncoding = baseDict.get('Encoding'); + if (isName(cidEncoding)) { + properties.cidEncoding = cidEncoding.name; + } + properties.cMap = CMapFactory.create(cidEncoding, + { url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null); + properties.vertical = properties.cMap.vertical; + } + this.extractDataStructures(dict, baseDict, xref, properties); + this.extractWidths(dict, xref, descriptor, properties); + + if (type === 'Type3') { + properties.isType3Font = true; + } + + return new Font(fontName.name, fontFile, properties); + } + }; + + return PartialEvaluator; +})(); + +var TranslatedFont = (function TranslatedFontClosure() { + function TranslatedFont(loadedName, font, dict) { + this.loadedName = loadedName; + this.font = font; + this.dict = dict; + this.type3Loaded = null; + this.sent = false; + } + TranslatedFont.prototype = { + send: function (handler) { + if (this.sent) { + return; + } + var fontData = this.font.exportData(); + handler.send('commonobj', [ + this.loadedName, + 'Font', + fontData + ]); + this.sent = true; + }, + loadType3Data: function (evaluator, resources, parentOperatorList, task) { + assert(this.font.isType3Font); + + if (this.type3Loaded) { + return this.type3Loaded; + } + + var translatedFont = this.font; + var loadCharProcsPromise = Promise.resolve(); + var charProcs = this.dict.get('CharProcs').getAll(); + var fontResources = this.dict.get('Resources') || resources; + var charProcKeys = Object.keys(charProcs); + var charProcOperatorList = {}; + for (var i = 0, n = charProcKeys.length; i < n; ++i) { + loadCharProcsPromise = loadCharProcsPromise.then(function (key) { + var glyphStream = charProcs[key]; + var operatorList = new OperatorList(); + return evaluator.getOperatorList(glyphStream, task, fontResources, + operatorList).then(function () { + charProcOperatorList[key] = operatorList.getIR(); + + // Add the dependencies to the parent operator list so they are + // resolved before sub operator list is executed synchronously. + parentOperatorList.addDependencies(operatorList.dependencies); + }, function (reason) { + warn('Type3 font resource \"' + key + '\" is not available'); + var operatorList = new OperatorList(); + charProcOperatorList[key] = operatorList.getIR(); + }); + }.bind(this, charProcKeys[i])); + } + this.type3Loaded = loadCharProcsPromise.then(function () { + translatedFont.charProcOperatorList = charProcOperatorList; + }); + return this.type3Loaded; + } + }; + return TranslatedFont; +})(); + +var OperatorList = (function OperatorListClosure() { + var CHUNK_SIZE = 1000; + var CHUNK_SIZE_ABOUT = CHUNK_SIZE - 5; // close to chunk size + + function getTransfers(queue) { + var transfers = []; + var fnArray = queue.fnArray, argsArray = queue.argsArray; + for (var i = 0, ii = queue.length; i < ii; i++) { + switch (fnArray[i]) { + case OPS.paintInlineImageXObject: + case OPS.paintInlineImageXObjectGroup: + case OPS.paintImageMaskXObject: + var arg = argsArray[i][0]; // first param in imgData + if (!arg.cached) { + transfers.push(arg.data.buffer); + } + break; + } + } + return transfers; + } + + function OperatorList(intent, messageHandler, pageIndex) { + this.messageHandler = messageHandler; + this.fnArray = []; + this.argsArray = []; + this.dependencies = {}; + this._totalLength = 0; + this.pageIndex = pageIndex; + this.intent = intent; + } + + OperatorList.prototype = { + get length() { + return this.argsArray.length; + }, + + /** + * @returns {number} The total length of the entire operator list, + * since `this.length === 0` after flushing. + */ + get totalLength() { + return (this._totalLength + this.length); + }, + + addOp: function(fn, args) { + this.fnArray.push(fn); + this.argsArray.push(args); + if (this.messageHandler) { + if (this.fnArray.length >= CHUNK_SIZE) { + this.flush(); + } else if (this.fnArray.length >= CHUNK_SIZE_ABOUT && + (fn === OPS.restore || fn === OPS.endText)) { + // heuristic to flush on boundary of restore or endText + this.flush(); + } + } + }, + + addDependency: function(dependency) { + if (dependency in this.dependencies) { + return; + } + this.dependencies[dependency] = true; + this.addOp(OPS.dependency, [dependency]); + }, + + addDependencies: function(dependencies) { + for (var key in dependencies) { + this.addDependency(key); + } + }, + + addOpList: function(opList) { + Util.extendObj(this.dependencies, opList.dependencies); + for (var i = 0, ii = opList.length; i < ii; i++) { + this.addOp(opList.fnArray[i], opList.argsArray[i]); + } + }, + + getIR: function() { + return { + fnArray: this.fnArray, + argsArray: this.argsArray, + length: this.length + }; + }, + + flush: function(lastChunk) { + if (this.intent !== 'oplist') { + new QueueOptimizer().optimize(this); + } + var transfers = getTransfers(this); + var length = this.length; + this._totalLength += length; + + this.messageHandler.send('RenderPageChunk', { + operatorList: { + fnArray: this.fnArray, + argsArray: this.argsArray, + lastChunk: lastChunk, + length: length + }, + pageIndex: this.pageIndex, + intent: this.intent + }, transfers); + this.dependencies = {}; + this.fnArray.length = 0; + this.argsArray.length = 0; + } + }; + + return OperatorList; +})(); + +var StateManager = (function StateManagerClosure() { + function StateManager(initialState) { + this.state = initialState; + this.stateStack = []; + } + StateManager.prototype = { + save: function () { + var old = this.state; + this.stateStack.push(this.state); + this.state = old.clone(); + }, + restore: function () { + var prev = this.stateStack.pop(); + if (prev) { + this.state = prev; + } + }, + transform: function (args) { + this.state.ctm = Util.transform(this.state.ctm, args); + } + }; + return StateManager; +})(); + +var TextState = (function TextStateClosure() { + function TextState() { + this.ctm = new Float32Array(IDENTITY_MATRIX); + this.fontSize = 0; + this.font = null; + this.fontMatrix = FONT_IDENTITY_MATRIX; + this.textMatrix = IDENTITY_MATRIX.slice(); + this.textLineMatrix = IDENTITY_MATRIX.slice(); + this.charSpacing = 0; + this.wordSpacing = 0; + this.leading = 0; + this.textHScale = 1; + this.textRise = 0; + } + + TextState.prototype = { + setTextMatrix: function TextState_setTextMatrix(a, b, c, d, e, f) { + var m = this.textMatrix; + m[0] = a; m[1] = b; m[2] = c; m[3] = d; m[4] = e; m[5] = f; + }, + setTextLineMatrix: function TextState_setTextMatrix(a, b, c, d, e, f) { + var m = this.textLineMatrix; + m[0] = a; m[1] = b; m[2] = c; m[3] = d; m[4] = e; m[5] = f; + }, + translateTextMatrix: function TextState_translateTextMatrix(x, y) { + var m = this.textMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + }, + translateTextLineMatrix: function TextState_translateTextMatrix(x, y) { + var m = this.textLineMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + }, + calcRenderMatrix: function TextState_calcRendeMatrix(ctm) { + // 9.4.4 Text Space Details + var tsm = [this.fontSize * this.textHScale, 0, + 0, this.fontSize, + 0, this.textRise]; + return Util.transform(ctm, Util.transform(this.textMatrix, tsm)); + }, + carriageReturn: function TextState_carriageReturn() { + this.translateTextLineMatrix(0, -this.leading); + this.textMatrix = this.textLineMatrix.slice(); + }, + clone: function TextState_clone() { + var clone = Object.create(this); + clone.textMatrix = this.textMatrix.slice(); + clone.textLineMatrix = this.textLineMatrix.slice(); + clone.fontMatrix = this.fontMatrix.slice(); + return clone; + } + }; + return TextState; +})(); + +var EvalState = (function EvalStateClosure() { + function EvalState() { + this.ctm = new Float32Array(IDENTITY_MATRIX); + this.font = null; + this.textRenderingMode = TextRenderingMode.FILL; + this.fillColorSpace = ColorSpace.singletons.gray; + this.strokeColorSpace = ColorSpace.singletons.gray; + } + EvalState.prototype = { + clone: function CanvasExtraState_clone() { + return Object.create(this); + }, + }; + return EvalState; +})(); + +var EvaluatorPreprocessor = (function EvaluatorPreprocessorClosure() { + // Specifies properties for each command + // + // If variableArgs === true: [0, `numArgs`] expected + // If variableArgs === false: exactly `numArgs` expected + var OP_MAP = { + // Graphic state + w: { id: OPS.setLineWidth, numArgs: 1, variableArgs: false }, + J: { id: OPS.setLineCap, numArgs: 1, variableArgs: false }, + j: { id: OPS.setLineJoin, numArgs: 1, variableArgs: false }, + M: { id: OPS.setMiterLimit, numArgs: 1, variableArgs: false }, + d: { id: OPS.setDash, numArgs: 2, variableArgs: false }, + ri: { id: OPS.setRenderingIntent, numArgs: 1, variableArgs: false }, + i: { id: OPS.setFlatness, numArgs: 1, variableArgs: false }, + gs: { id: OPS.setGState, numArgs: 1, variableArgs: false }, + q: { id: OPS.save, numArgs: 0, variableArgs: false }, + Q: { id: OPS.restore, numArgs: 0, variableArgs: false }, + cm: { id: OPS.transform, numArgs: 6, variableArgs: false }, + + // Path + m: { id: OPS.moveTo, numArgs: 2, variableArgs: false }, + l: { id: OPS.lineTo, numArgs: 2, variableArgs: false }, + c: { id: OPS.curveTo, numArgs: 6, variableArgs: false }, + v: { id: OPS.curveTo2, numArgs: 4, variableArgs: false }, + y: { id: OPS.curveTo3, numArgs: 4, variableArgs: false }, + h: { id: OPS.closePath, numArgs: 0, variableArgs: false }, + re: { id: OPS.rectangle, numArgs: 4, variableArgs: false }, + S: { id: OPS.stroke, numArgs: 0, variableArgs: false }, + s: { id: OPS.closeStroke, numArgs: 0, variableArgs: false }, + f: { id: OPS.fill, numArgs: 0, variableArgs: false }, + F: { id: OPS.fill, numArgs: 0, variableArgs: false }, + 'f*': { id: OPS.eoFill, numArgs: 0, variableArgs: false }, + B: { id: OPS.fillStroke, numArgs: 0, variableArgs: false }, + 'B*': { id: OPS.eoFillStroke, numArgs: 0, variableArgs: false }, + b: { id: OPS.closeFillStroke, numArgs: 0, variableArgs: false }, + 'b*': { id: OPS.closeEOFillStroke, numArgs: 0, variableArgs: false }, + n: { id: OPS.endPath, numArgs: 0, variableArgs: false }, + + // Clipping + W: { id: OPS.clip, numArgs: 0, variableArgs: false }, + 'W*': { id: OPS.eoClip, numArgs: 0, variableArgs: false }, + + // Text + BT: { id: OPS.beginText, numArgs: 0, variableArgs: false }, + ET: { id: OPS.endText, numArgs: 0, variableArgs: false }, + Tc: { id: OPS.setCharSpacing, numArgs: 1, variableArgs: false }, + Tw: { id: OPS.setWordSpacing, numArgs: 1, variableArgs: false }, + Tz: { id: OPS.setHScale, numArgs: 1, variableArgs: false }, + TL: { id: OPS.setLeading, numArgs: 1, variableArgs: false }, + Tf: { id: OPS.setFont, numArgs: 2, variableArgs: false }, + Tr: { id: OPS.setTextRenderingMode, numArgs: 1, variableArgs: false }, + Ts: { id: OPS.setTextRise, numArgs: 1, variableArgs: false }, + Td: { id: OPS.moveText, numArgs: 2, variableArgs: false }, + TD: { id: OPS.setLeadingMoveText, numArgs: 2, variableArgs: false }, + Tm: { id: OPS.setTextMatrix, numArgs: 6, variableArgs: false }, + 'T*': { id: OPS.nextLine, numArgs: 0, variableArgs: false }, + Tj: { id: OPS.showText, numArgs: 1, variableArgs: false }, + TJ: { id: OPS.showSpacedText, numArgs: 1, variableArgs: false }, + '\'': { id: OPS.nextLineShowText, numArgs: 1, variableArgs: false }, + '"': { id: OPS.nextLineSetSpacingShowText, numArgs: 3, + variableArgs: false }, + + // Type3 fonts + d0: { id: OPS.setCharWidth, numArgs: 2, variableArgs: false }, + d1: { id: OPS.setCharWidthAndBounds, numArgs: 6, variableArgs: false }, + + // Color + CS: { id: OPS.setStrokeColorSpace, numArgs: 1, variableArgs: false }, + cs: { id: OPS.setFillColorSpace, numArgs: 1, variableArgs: false }, + SC: { id: OPS.setStrokeColor, numArgs: 4, variableArgs: true }, + SCN: { id: OPS.setStrokeColorN, numArgs: 33, variableArgs: true }, + sc: { id: OPS.setFillColor, numArgs: 4, variableArgs: true }, + scn: { id: OPS.setFillColorN, numArgs: 33, variableArgs: true }, + G: { id: OPS.setStrokeGray, numArgs: 1, variableArgs: false }, + g: { id: OPS.setFillGray, numArgs: 1, variableArgs: false }, + RG: { id: OPS.setStrokeRGBColor, numArgs: 3, variableArgs: false }, + rg: { id: OPS.setFillRGBColor, numArgs: 3, variableArgs: false }, + K: { id: OPS.setStrokeCMYKColor, numArgs: 4, variableArgs: false }, + k: { id: OPS.setFillCMYKColor, numArgs: 4, variableArgs: false }, + + // Shading + sh: { id: OPS.shadingFill, numArgs: 1, variableArgs: false }, + + // Images + BI: { id: OPS.beginInlineImage, numArgs: 0, variableArgs: false }, + ID: { id: OPS.beginImageData, numArgs: 0, variableArgs: false }, + EI: { id: OPS.endInlineImage, numArgs: 1, variableArgs: false }, + + // XObjects + Do: { id: OPS.paintXObject, numArgs: 1, variableArgs: false }, + MP: { id: OPS.markPoint, numArgs: 1, variableArgs: false }, + DP: { id: OPS.markPointProps, numArgs: 2, variableArgs: false }, + BMC: { id: OPS.beginMarkedContent, numArgs: 1, variableArgs: false }, + BDC: { id: OPS.beginMarkedContentProps, numArgs: 2, + variableArgs: false }, + EMC: { id: OPS.endMarkedContent, numArgs: 0, variableArgs: false }, + + // Compatibility + BX: { id: OPS.beginCompat, numArgs: 0, variableArgs: false }, + EX: { id: OPS.endCompat, numArgs: 0, variableArgs: false }, + + // (reserved partial commands for the lexer) + BM: null, + BD: null, + 'true': null, + fa: null, + fal: null, + fals: null, + 'false': null, + nu: null, + nul: null, + 'null': null + }; + + function EvaluatorPreprocessor(stream, xref, stateManager) { + // TODO(mduan): pass array of knownCommands rather than OP_MAP + // dictionary + this.parser = new Parser(new Lexer(stream, OP_MAP), false, xref); + this.stateManager = stateManager; + this.nonProcessedArgs = []; + } + + EvaluatorPreprocessor.prototype = { + get savedStatesDepth() { + return this.stateManager.stateStack.length; + }, + + // |operation| is an object with two fields: + // + // - |fn| is an out param. + // + // - |args| is an inout param. On entry, it should have one of two values. + // + // - An empty array. This indicates that the caller is providing the + // array in which the args will be stored in. The caller should use + // this value if it can reuse a single array for each call to read(). + // + // - |null|. This indicates that the caller needs this function to create + // the array in which any args are stored in. If there are zero args, + // this function will leave |operation.args| as |null| (thus avoiding + // allocations that would occur if we used an empty array to represent + // zero arguments). Otherwise, it will replace |null| with a new array + // containing the arguments. The caller should use this value if it + // cannot reuse an array for each call to read(). + // + // These two modes are present because this function is very hot and so + // avoiding allocations where possible is worthwhile. + // + read: function EvaluatorPreprocessor_read(operation) { + var args = operation.args; + while (true) { + var obj = this.parser.getObj(); + if (isCmd(obj)) { + var cmd = obj.cmd; + // Check that the command is valid + var opSpec = OP_MAP[cmd]; + if (!opSpec) { + warn('Unknown command "' + cmd + '"'); + continue; + } + + var fn = opSpec.id; + var numArgs = opSpec.numArgs; + var argsLength = args !== null ? args.length : 0; + + if (!opSpec.variableArgs) { + // Postscript commands can be nested, e.g. /F2 /GS2 gs 5.711 Tf + if (argsLength !== numArgs) { + var nonProcessedArgs = this.nonProcessedArgs; + while (argsLength > numArgs) { + nonProcessedArgs.push(args.shift()); + argsLength--; + } + while (argsLength < numArgs && nonProcessedArgs.length !== 0) { + if (!args) { + args = []; + } + args.unshift(nonProcessedArgs.pop()); + argsLength++; + } + } + + if (argsLength < numArgs) { + // If we receive too few args, it's not possible to possible + // to execute the command, so skip the command + info('Command ' + fn + ': because expected ' + + numArgs + ' args, but received ' + argsLength + + ' args; skipping'); + args = null; + continue; + } + } else if (argsLength > numArgs) { + info('Command ' + fn + ': expected [0,' + numArgs + + '] args, but received ' + argsLength + ' args'); + } + + // TODO figure out how to type-check vararg functions + this.preprocessCommand(fn, args); + + operation.fn = fn; + operation.args = args; + return true; + } else { + if (isEOF(obj)) { + return false; // no more commands + } + // argument + if (obj !== null) { + if (!args) { + args = []; + } + args.push((obj instanceof Dict ? obj.getAll() : obj)); + assert(args.length <= 33, 'Too many arguments'); + } + } + } + }, + + preprocessCommand: + function EvaluatorPreprocessor_preprocessCommand(fn, args) { + switch (fn | 0) { + case OPS.save: + this.stateManager.save(); + break; + case OPS.restore: + this.stateManager.restore(); + break; + case OPS.transform: + this.stateManager.transform(args); + break; + } + } + }; + return EvaluatorPreprocessor; +})(); + +var QueueOptimizer = (function QueueOptimizerClosure() { + function addState(parentState, pattern, fn) { + var state = parentState; + for (var i = 0, ii = pattern.length - 1; i < ii; i++) { + var item = pattern[i]; + state = (state[item] || (state[item] = [])); + } + state[pattern[pattern.length - 1]] = fn; + } + + function handlePaintSolidColorImageMask(iFirstSave, count, fnArray, + argsArray) { + // Handles special case of mainly LaTeX documents which use image masks to + // draw lines with the current fill style. + // 'count' groups of (save, transform, paintImageMaskXObject, restore)+ + // have been found at iFirstSave. + var iFirstPIMXO = iFirstSave + 2; + for (var i = 0; i < count; i++) { + var arg = argsArray[iFirstPIMXO + 4 * i]; + var imageMask = arg.length === 1 && arg[0]; + if (imageMask && imageMask.width === 1 && imageMask.height === 1 && + (!imageMask.data.length || + (imageMask.data.length === 1 && imageMask.data[0] === 0))) { + fnArray[iFirstPIMXO + 4 * i] = OPS.paintSolidColorImageMask; + continue; + } + break; + } + return count - i; + } + + var InitialState = []; + + // This replaces (save, transform, paintInlineImageXObject, restore)+ + // sequences with one |paintInlineImageXObjectGroup| operation. + addState(InitialState, + [OPS.save, OPS.transform, OPS.paintInlineImageXObject, OPS.restore], + function foundInlineImageGroup(context) { + var MIN_IMAGES_IN_INLINE_IMAGES_BLOCK = 10; + var MAX_IMAGES_IN_INLINE_IMAGES_BLOCK = 200; + var MAX_WIDTH = 1000; + var IMAGE_PADDING = 1; + + var fnArray = context.fnArray, argsArray = context.argsArray; + var curr = context.iCurr; + var iFirstSave = curr - 3; + var iFirstTransform = curr - 2; + var iFirstPIIXO = curr - 1; + + // Look for the quartets. + var i = iFirstSave + 4; + var ii = fnArray.length; + while (i + 3 < ii) { + if (fnArray[i] !== OPS.save || + fnArray[i + 1] !== OPS.transform || + fnArray[i + 2] !== OPS.paintInlineImageXObject || + fnArray[i + 3] !== OPS.restore) { + break; // ops don't match + } + i += 4; + } + + // At this point, i is the index of the first op past the last valid + // quartet. + var count = Math.min((i - iFirstSave) / 4, + MAX_IMAGES_IN_INLINE_IMAGES_BLOCK); + if (count < MIN_IMAGES_IN_INLINE_IMAGES_BLOCK) { + return i; + } + + // assuming that heights of those image is too small (~1 pixel) + // packing as much as possible by lines + var maxX = 0; + var map = [], maxLineHeight = 0; + var currentX = IMAGE_PADDING, currentY = IMAGE_PADDING; + var q; + for (q = 0; q < count; q++) { + var transform = argsArray[iFirstTransform + (q << 2)]; + var img = argsArray[iFirstPIIXO + (q << 2)][0]; + if (currentX + img.width > MAX_WIDTH) { + // starting new line + maxX = Math.max(maxX, currentX); + currentY += maxLineHeight + 2 * IMAGE_PADDING; + currentX = 0; + maxLineHeight = 0; + } + map.push({ + transform: transform, + x: currentX, y: currentY, + w: img.width, h: img.height + }); + currentX += img.width + 2 * IMAGE_PADDING; + maxLineHeight = Math.max(maxLineHeight, img.height); + } + var imgWidth = Math.max(maxX, currentX) + IMAGE_PADDING; + var imgHeight = currentY + maxLineHeight + IMAGE_PADDING; + var imgData = new Uint8Array(imgWidth * imgHeight * 4); + var imgRowSize = imgWidth << 2; + for (q = 0; q < count; q++) { + var data = argsArray[iFirstPIIXO + (q << 2)][0].data; + // Copy image by lines and extends pixels into padding. + var rowSize = map[q].w << 2; + var dataOffset = 0; + var offset = (map[q].x + map[q].y * imgWidth) << 2; + imgData.set(data.subarray(0, rowSize), offset - imgRowSize); + for (var k = 0, kk = map[q].h; k < kk; k++) { + imgData.set(data.subarray(dataOffset, dataOffset + rowSize), offset); + dataOffset += rowSize; + offset += imgRowSize; + } + imgData.set(data.subarray(dataOffset - rowSize, dataOffset), offset); + while (offset >= 0) { + data[offset - 4] = data[offset]; + data[offset - 3] = data[offset + 1]; + data[offset - 2] = data[offset + 2]; + data[offset - 1] = data[offset + 3]; + data[offset + rowSize] = data[offset + rowSize - 4]; + data[offset + rowSize + 1] = data[offset + rowSize - 3]; + data[offset + rowSize + 2] = data[offset + rowSize - 2]; + data[offset + rowSize + 3] = data[offset + rowSize - 1]; + offset -= imgRowSize; + } + } + + // Replace queue items. + fnArray.splice(iFirstSave, count * 4, OPS.paintInlineImageXObjectGroup); + argsArray.splice(iFirstSave, count * 4, + [{ width: imgWidth, height: imgHeight, kind: ImageKind.RGBA_32BPP, + data: imgData }, map]); + + return iFirstSave + 1; + }); + + // This replaces (save, transform, paintImageMaskXObject, restore)+ + // sequences with one |paintImageMaskXObjectGroup| or one + // |paintImageMaskXObjectRepeat| operation. + addState(InitialState, + [OPS.save, OPS.transform, OPS.paintImageMaskXObject, OPS.restore], + function foundImageMaskGroup(context) { + var MIN_IMAGES_IN_MASKS_BLOCK = 10; + var MAX_IMAGES_IN_MASKS_BLOCK = 100; + var MAX_SAME_IMAGES_IN_MASKS_BLOCK = 1000; + + var fnArray = context.fnArray, argsArray = context.argsArray; + var curr = context.iCurr; + var iFirstSave = curr - 3; + var iFirstTransform = curr - 2; + var iFirstPIMXO = curr - 1; + + // Look for the quartets. + var i = iFirstSave + 4; + var ii = fnArray.length; + while (i + 3 < ii) { + if (fnArray[i] !== OPS.save || + fnArray[i + 1] !== OPS.transform || + fnArray[i + 2] !== OPS.paintImageMaskXObject || + fnArray[i + 3] !== OPS.restore) { + break; // ops don't match + } + i += 4; + } + + // At this point, i is the index of the first op past the last valid + // quartet. + var count = (i - iFirstSave) / 4; + count = handlePaintSolidColorImageMask(iFirstSave, count, fnArray, + argsArray); + if (count < MIN_IMAGES_IN_MASKS_BLOCK) { + return i; + } + + var q; + var isSameImage = false; + var iTransform, transformArgs; + var firstPIMXOArg0 = argsArray[iFirstPIMXO][0]; + if (argsArray[iFirstTransform][1] === 0 && + argsArray[iFirstTransform][2] === 0) { + isSameImage = true; + var firstTransformArg0 = argsArray[iFirstTransform][0]; + var firstTransformArg3 = argsArray[iFirstTransform][3]; + iTransform = iFirstTransform + 4; + var iPIMXO = iFirstPIMXO + 4; + for (q = 1; q < count; q++, iTransform += 4, iPIMXO += 4) { + transformArgs = argsArray[iTransform]; + if (argsArray[iPIMXO][0] !== firstPIMXOArg0 || + transformArgs[0] !== firstTransformArg0 || + transformArgs[1] !== 0 || + transformArgs[2] !== 0 || + transformArgs[3] !== firstTransformArg3) { + if (q < MIN_IMAGES_IN_MASKS_BLOCK) { + isSameImage = false; + } else { + count = q; + } + break; // different image or transform + } + } + } + + if (isSameImage) { + count = Math.min(count, MAX_SAME_IMAGES_IN_MASKS_BLOCK); + var positions = new Float32Array(count * 2); + iTransform = iFirstTransform; + for (q = 0; q < count; q++, iTransform += 4) { + transformArgs = argsArray[iTransform]; + positions[(q << 1)] = transformArgs[4]; + positions[(q << 1) + 1] = transformArgs[5]; + } + + // Replace queue items. + fnArray.splice(iFirstSave, count * 4, OPS.paintImageMaskXObjectRepeat); + argsArray.splice(iFirstSave, count * 4, + [firstPIMXOArg0, firstTransformArg0, firstTransformArg3, positions]); + } else { + count = Math.min(count, MAX_IMAGES_IN_MASKS_BLOCK); + var images = []; + for (q = 0; q < count; q++) { + transformArgs = argsArray[iFirstTransform + (q << 2)]; + var maskParams = argsArray[iFirstPIMXO + (q << 2)][0]; + images.push({ data: maskParams.data, width: maskParams.width, + height: maskParams.height, + transform: transformArgs }); + } + + // Replace queue items. + fnArray.splice(iFirstSave, count * 4, OPS.paintImageMaskXObjectGroup); + argsArray.splice(iFirstSave, count * 4, [images]); + } + + return iFirstSave + 1; + }); + + // This replaces (save, transform, paintImageXObject, restore)+ sequences + // with one paintImageXObjectRepeat operation, if the |transform| and + // |paintImageXObjectRepeat| ops are appropriate. + addState(InitialState, + [OPS.save, OPS.transform, OPS.paintImageXObject, OPS.restore], + function (context) { + var MIN_IMAGES_IN_BLOCK = 3; + var MAX_IMAGES_IN_BLOCK = 1000; + + var fnArray = context.fnArray, argsArray = context.argsArray; + var curr = context.iCurr; + var iFirstSave = curr - 3; + var iFirstTransform = curr - 2; + var iFirstPIXO = curr - 1; + var iFirstRestore = curr; + + if (argsArray[iFirstTransform][1] !== 0 || + argsArray[iFirstTransform][2] !== 0) { + return iFirstRestore + 1; // transform has the wrong form + } + + // Look for the quartets. + var firstPIXOArg0 = argsArray[iFirstPIXO][0]; + var firstTransformArg0 = argsArray[iFirstTransform][0]; + var firstTransformArg3 = argsArray[iFirstTransform][3]; + var i = iFirstSave + 4; + var ii = fnArray.length; + while (i + 3 < ii) { + if (fnArray[i] !== OPS.save || + fnArray[i + 1] !== OPS.transform || + fnArray[i + 2] !== OPS.paintImageXObject || + fnArray[i + 3] !== OPS.restore) { + break; // ops don't match + } + if (argsArray[i + 1][0] !== firstTransformArg0 || + argsArray[i + 1][1] !== 0 || + argsArray[i + 1][2] !== 0 || + argsArray[i + 1][3] !== firstTransformArg3) { + break; // transforms don't match + } + if (argsArray[i + 2][0] !== firstPIXOArg0) { + break; // images don't match + } + i += 4; + } + + // At this point, i is the index of the first op past the last valid + // quartet. + var count = Math.min((i - iFirstSave) / 4, MAX_IMAGES_IN_BLOCK); + if (count < MIN_IMAGES_IN_BLOCK) { + return i; + } + + // Extract the (x,y) positions from all of the matching transforms. + var positions = new Float32Array(count * 2); + var iTransform = iFirstTransform; + for (var q = 0; q < count; q++, iTransform += 4) { + var transformArgs = argsArray[iTransform]; + positions[(q << 1)] = transformArgs[4]; + positions[(q << 1) + 1] = transformArgs[5]; + } + + // Replace queue items. + var args = [firstPIXOArg0, firstTransformArg0, firstTransformArg3, + positions]; + fnArray.splice(iFirstSave, count * 4, OPS.paintImageXObjectRepeat); + argsArray.splice(iFirstSave, count * 4, args); + + return iFirstSave + 1; + }); + + // This replaces (beginText, setFont, setTextMatrix, showText, endText)+ + // sequences with (beginText, setFont, (setTextMatrix, showText)+, endText)+ + // sequences, if the font for each one is the same. + addState(InitialState, + [OPS.beginText, OPS.setFont, OPS.setTextMatrix, OPS.showText, OPS.endText], + function (context) { + var MIN_CHARS_IN_BLOCK = 3; + var MAX_CHARS_IN_BLOCK = 1000; + + var fnArray = context.fnArray, argsArray = context.argsArray; + var curr = context.iCurr; + var iFirstBeginText = curr - 4; + var iFirstSetFont = curr - 3; + var iFirstSetTextMatrix = curr - 2; + var iFirstShowText = curr - 1; + var iFirstEndText = curr; + + // Look for the quintets. + var firstSetFontArg0 = argsArray[iFirstSetFont][0]; + var firstSetFontArg1 = argsArray[iFirstSetFont][1]; + var i = iFirstBeginText + 5; + var ii = fnArray.length; + while (i + 4 < ii) { + if (fnArray[i] !== OPS.beginText || + fnArray[i + 1] !== OPS.setFont || + fnArray[i + 2] !== OPS.setTextMatrix || + fnArray[i + 3] !== OPS.showText || + fnArray[i + 4] !== OPS.endText) { + break; // ops don't match + } + if (argsArray[i + 1][0] !== firstSetFontArg0 || + argsArray[i + 1][1] !== firstSetFontArg1) { + break; // fonts don't match + } + i += 5; + } + + // At this point, i is the index of the first op past the last valid + // quintet. + var count = Math.min(((i - iFirstBeginText) / 5), MAX_CHARS_IN_BLOCK); + if (count < MIN_CHARS_IN_BLOCK) { + return i; + } + + // If the preceding quintet is (, setFont, setTextMatrix, + // showText, endText), include that as well. (E.g. might be + // |dependency|.) + var iFirst = iFirstBeginText; + if (iFirstBeginText >= 4 && + fnArray[iFirstBeginText - 4] === fnArray[iFirstSetFont] && + fnArray[iFirstBeginText - 3] === fnArray[iFirstSetTextMatrix] && + fnArray[iFirstBeginText - 2] === fnArray[iFirstShowText] && + fnArray[iFirstBeginText - 1] === fnArray[iFirstEndText] && + argsArray[iFirstBeginText - 4][0] === firstSetFontArg0 && + argsArray[iFirstBeginText - 4][1] === firstSetFontArg1) { + count++; + iFirst -= 5; + } + + // Remove (endText, beginText, setFont) trios. + var iEndText = iFirst + 4; + for (var q = 1; q < count; q++) { + fnArray.splice(iEndText, 3); + argsArray.splice(iEndText, 3); + iEndText += 2; + } + + return iEndText + 1; + }); + + function QueueOptimizer() {} + + QueueOptimizer.prototype = { + optimize: function QueueOptimizer_optimize(queue) { + var fnArray = queue.fnArray, argsArray = queue.argsArray; + var context = { + iCurr: 0, + fnArray: fnArray, + argsArray: argsArray + }; + var state; + var i = 0, ii = fnArray.length; + while (i < ii) { + state = (state || InitialState)[fnArray[i]]; + if (typeof state === 'function') { // we found some handler + context.iCurr = i; + // state() returns the index of the first non-matching op (if we + // didn't match) or the first op past the modified ops (if we did + // match and replace). + i = state(context); + state = undefined; // reset the state machine + ii = context.fnArray.length; + } else { + i++; + } + } + } + }; + return QueueOptimizer; +})(); + +exports.OperatorList = OperatorList; +exports.PartialEvaluator = PartialEvaluator; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreAnnotation = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreColorSpace, + root.pdfjsCoreObj, root.pdfjsCoreEvaluator); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream, + coreColorSpace, coreObj, coreEvaluator) { + +var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType; +var AnnotationFlag = sharedUtil.AnnotationFlag; +var AnnotationType = sharedUtil.AnnotationType; +var OPS = sharedUtil.OPS; +var Util = sharedUtil.Util; +var isArray = sharedUtil.isArray; +var isInt = sharedUtil.isInt; +var isValidUrl = sharedUtil.isValidUrl; +var stringToBytes = sharedUtil.stringToBytes; +var stringToPDFString = sharedUtil.stringToPDFString; +var stringToUTF8String = sharedUtil.stringToUTF8String; +var warn = sharedUtil.warn; +var Dict = corePrimitives.Dict; +var isDict = corePrimitives.isDict; +var isName = corePrimitives.isName; +var Stream = coreStream.Stream; +var ColorSpace = coreColorSpace.ColorSpace; +var ObjectLoader = coreObj.ObjectLoader; +var OperatorList = coreEvaluator.OperatorList; + +/** + * @class + * @alias AnnotationFactory + */ +function AnnotationFactory() {} +AnnotationFactory.prototype = /** @lends AnnotationFactory.prototype */ { + /** + * @param {XRef} xref + * @param {Object} ref + * @returns {Annotation} + */ + create: function AnnotationFactory_create(xref, ref) { + var dict = xref.fetchIfRef(ref); + if (!isDict(dict)) { + return; + } + + // Determine the annotation's subtype. + var subtype = dict.get('Subtype'); + subtype = isName(subtype) ? subtype.name : ''; + + // Return the right annotation object based on the subtype and field type. + var parameters = { + dict: dict, + ref: ref + }; + + switch (subtype) { + case 'Link': + return new LinkAnnotation(parameters); + + case 'Text': + return new TextAnnotation(parameters); + + case 'Widget': + var fieldType = Util.getInheritableProperty(dict, 'FT'); + if (isName(fieldType) && fieldType.name === 'Tx') { + return new TextWidgetAnnotation(parameters); + } + return new WidgetAnnotation(parameters); + + case 'Popup': + return new PopupAnnotation(parameters); + + case 'Highlight': + return new HighlightAnnotation(parameters); + + case 'Underline': + return new UnderlineAnnotation(parameters); + + case 'Squiggly': + return new SquigglyAnnotation(parameters); + + case 'StrikeOut': + return new StrikeOutAnnotation(parameters); + + default: + warn('Unimplemented annotation type "' + subtype + '", ' + + 'falling back to base annotation'); + return new Annotation(parameters); + } + } +}; + +var Annotation = (function AnnotationClosure() { + // 12.5.5: Algorithm: Appearance streams + function getTransformMatrix(rect, bbox, matrix) { + var bounds = Util.getAxialAlignedBoundingBox(bbox, matrix); + var minX = bounds[0]; + var minY = bounds[1]; + var maxX = bounds[2]; + var maxY = bounds[3]; + + if (minX === maxX || minY === maxY) { + // From real-life file, bbox was [0, 0, 0, 0]. In this case, + // just apply the transform for rect + return [1, 0, 0, 1, rect[0], rect[1]]; + } + + var xRatio = (rect[2] - rect[0]) / (maxX - minX); + var yRatio = (rect[3] - rect[1]) / (maxY - minY); + return [ + xRatio, + 0, + 0, + yRatio, + rect[0] - minX * xRatio, + rect[1] - minY * yRatio + ]; + } + + function getDefaultAppearance(dict) { + var appearanceState = dict.get('AP'); + if (!isDict(appearanceState)) { + return; + } + + var appearance; + var appearances = appearanceState.get('N'); + if (isDict(appearances)) { + var as = dict.get('AS'); + if (as && appearances.has(as.name)) { + appearance = appearances.get(as.name); + } + } else { + appearance = appearances; + } + return appearance; + } + + function Annotation(params) { + var dict = params.dict; + + this.setFlags(dict.get('F')); + this.setRectangle(dict.get('Rect')); + this.setColor(dict.get('C')); + this.setBorderStyle(dict); + this.appearance = getDefaultAppearance(dict); + + // Expose public properties using a data object. + this.data = {}; + this.data.id = params.ref.toString(); + this.data.subtype = dict.get('Subtype').name; + this.data.annotationFlags = this.flags; + this.data.rect = this.rectangle; + this.data.color = this.color; + this.data.borderStyle = this.borderStyle; + this.data.hasAppearance = !!this.appearance; + } + + Annotation.prototype = { + /** + * @return {boolean} + */ + get viewable() { + if (this.flags) { + return !this.hasFlag(AnnotationFlag.INVISIBLE) && + !this.hasFlag(AnnotationFlag.HIDDEN) && + !this.hasFlag(AnnotationFlag.NOVIEW); + } + return true; + }, + + /** + * @return {boolean} + */ + get printable() { + if (this.flags) { + return this.hasFlag(AnnotationFlag.PRINT) && + !this.hasFlag(AnnotationFlag.INVISIBLE) && + !this.hasFlag(AnnotationFlag.HIDDEN); + } + return false; + }, + + /** + * Set the flags. + * + * @public + * @memberof Annotation + * @param {number} flags - Unsigned 32-bit integer specifying annotation + * characteristics + * @see {@link shared/util.js} + */ + setFlags: function Annotation_setFlags(flags) { + if (isInt(flags)) { + this.flags = flags; + } else { + this.flags = 0; + } + }, + + /** + * Check if a provided flag is set. + * + * @public + * @memberof Annotation + * @param {number} flag - Hexadecimal representation for an annotation + * characteristic + * @return {boolean} + * @see {@link shared/util.js} + */ + hasFlag: function Annotation_hasFlag(flag) { + if (this.flags) { + return (this.flags & flag) > 0; + } + return false; + }, + + /** + * Set the rectangle. + * + * @public + * @memberof Annotation + * @param {Array} rectangle - The rectangle array with exactly four entries + */ + setRectangle: function Annotation_setRectangle(rectangle) { + if (isArray(rectangle) && rectangle.length === 4) { + this.rectangle = Util.normalizeRect(rectangle); + } else { + this.rectangle = [0, 0, 0, 0]; + } + }, + + /** + * Set the color and take care of color space conversion. + * + * @public + * @memberof Annotation + * @param {Array} color - The color array containing either 0 + * (transparent), 1 (grayscale), 3 (RGB) or + * 4 (CMYK) elements + */ + setColor: function Annotation_setColor(color) { + var rgbColor = new Uint8Array(3); // Black in RGB color space (default) + if (!isArray(color)) { + this.color = rgbColor; + return; + } + + switch (color.length) { + case 0: // Transparent, which we indicate with a null value + this.color = null; + break; + + case 1: // Convert grayscale to RGB + ColorSpace.singletons.gray.getRgbItem(color, 0, rgbColor, 0); + this.color = rgbColor; + break; + + case 3: // Convert RGB percentages to RGB + ColorSpace.singletons.rgb.getRgbItem(color, 0, rgbColor, 0); + this.color = rgbColor; + break; + + case 4: // Convert CMYK to RGB + ColorSpace.singletons.cmyk.getRgbItem(color, 0, rgbColor, 0); + this.color = rgbColor; + break; + + default: + this.color = rgbColor; + break; + } + }, + + /** + * Set the border style (as AnnotationBorderStyle object). + * + * @public + * @memberof Annotation + * @param {Dict} borderStyle - The border style dictionary + */ + setBorderStyle: function Annotation_setBorderStyle(borderStyle) { + this.borderStyle = new AnnotationBorderStyle(); + if (!isDict(borderStyle)) { + return; + } + if (borderStyle.has('BS')) { + var dict = borderStyle.get('BS'); + var dictType; + + if (!dict.has('Type') || (isName(dictType = dict.get('Type')) && + dictType.name === 'Border')) { + this.borderStyle.setWidth(dict.get('W')); + this.borderStyle.setStyle(dict.get('S')); + this.borderStyle.setDashArray(dict.get('D')); + } + } else if (borderStyle.has('Border')) { + var array = borderStyle.get('Border'); + if (isArray(array) && array.length >= 3) { + this.borderStyle.setHorizontalCornerRadius(array[0]); + this.borderStyle.setVerticalCornerRadius(array[1]); + this.borderStyle.setWidth(array[2]); + + if (array.length === 4) { // Dash array available + this.borderStyle.setDashArray(array[3]); + } + } + } else { + // There are no border entries in the dictionary. According to the + // specification, we should draw a solid border of width 1 in that + // case, but Adobe Reader did not implement that part of the + // specification and instead draws no border at all, so we do the same. + // See also https://github.com/mozilla/pdf.js/issues/6179. + this.borderStyle.setWidth(0); + } + }, + + loadResources: function Annotation_loadResources(keys) { + return new Promise(function (resolve, reject) { + this.appearance.dict.getAsync('Resources').then(function (resources) { + if (!resources) { + resolve(); + return; + } + var objectLoader = new ObjectLoader(resources.map, + keys, + resources.xref); + objectLoader.load().then(function() { + resolve(resources); + }, reject); + }, reject); + }.bind(this)); + }, + + getOperatorList: function Annotation_getOperatorList(evaluator, task) { + if (!this.appearance) { + return Promise.resolve(new OperatorList()); + } + + var data = this.data; + var appearanceDict = this.appearance.dict; + var resourcesPromise = this.loadResources([ + 'ExtGState', + 'ColorSpace', + 'Pattern', + 'Shading', + 'XObject', + 'Font' + // ProcSet + // Properties + ]); + var bbox = appearanceDict.get('BBox') || [0, 0, 1, 1]; + var matrix = appearanceDict.get('Matrix') || [1, 0, 0, 1, 0 ,0]; + var transform = getTransformMatrix(data.rect, bbox, matrix); + var self = this; + + return resourcesPromise.then(function(resources) { + var opList = new OperatorList(); + opList.addOp(OPS.beginAnnotation, [data.rect, transform, matrix]); + return evaluator.getOperatorList(self.appearance, task, + resources, opList). + then(function () { + opList.addOp(OPS.endAnnotation, []); + self.appearance.reset(); + return opList; + }); + }); + } + }; + + Annotation.appendToOperatorList = function Annotation_appendToOperatorList( + annotations, opList, partialEvaluator, task, intent) { + var annotationPromises = []; + for (var i = 0, n = annotations.length; i < n; ++i) { + if ((intent === 'display' && annotations[i].viewable) || + (intent === 'print' && annotations[i].printable)) { + annotationPromises.push( + annotations[i].getOperatorList(partialEvaluator, task)); + } + } + return Promise.all(annotationPromises).then(function(operatorLists) { + opList.addOp(OPS.beginAnnotations, []); + for (var i = 0, n = operatorLists.length; i < n; ++i) { + opList.addOpList(operatorLists[i]); + } + opList.addOp(OPS.endAnnotations, []); + }); + }; + + return Annotation; +})(); + +/** + * Contains all data regarding an annotation's border style. + * + * @class + */ +var AnnotationBorderStyle = (function AnnotationBorderStyleClosure() { + /** + * @constructor + * @private + */ + function AnnotationBorderStyle() { + this.width = 1; + this.style = AnnotationBorderStyleType.SOLID; + this.dashArray = [3]; + this.horizontalCornerRadius = 0; + this.verticalCornerRadius = 0; + } + + AnnotationBorderStyle.prototype = { + /** + * Set the width. + * + * @public + * @memberof AnnotationBorderStyle + * @param {integer} width - The width + */ + setWidth: function AnnotationBorderStyle_setWidth(width) { + if (width === (width | 0)) { + this.width = width; + } + }, + + /** + * Set the style. + * + * @public + * @memberof AnnotationBorderStyle + * @param {Object} style - The style object + * @see {@link shared/util.js} + */ + setStyle: function AnnotationBorderStyle_setStyle(style) { + if (!style) { + return; + } + switch (style.name) { + case 'S': + this.style = AnnotationBorderStyleType.SOLID; + break; + + case 'D': + this.style = AnnotationBorderStyleType.DASHED; + break; + + case 'B': + this.style = AnnotationBorderStyleType.BEVELED; + break; + + case 'I': + this.style = AnnotationBorderStyleType.INSET; + break; + + case 'U': + this.style = AnnotationBorderStyleType.UNDERLINE; + break; + + default: + break; + } + }, + + /** + * Set the dash array. + * + * @public + * @memberof AnnotationBorderStyle + * @param {Array} dashArray - The dash array with at least one element + */ + setDashArray: function AnnotationBorderStyle_setDashArray(dashArray) { + // We validate the dash array, but we do not use it because CSS does not + // allow us to change spacing of dashes. For more information, visit + // http://www.w3.org/TR/css3-background/#the-border-style. + if (isArray(dashArray) && dashArray.length > 0) { + // According to the PDF specification: the elements in a dashArray + // shall be numbers that are nonnegative and not all equal to zero. + var isValid = true; + var allZeros = true; + for (var i = 0, len = dashArray.length; i < len; i++) { + var element = dashArray[i]; + var validNumber = (+element >= 0); + if (!validNumber) { + isValid = false; + break; + } else if (element > 0) { + allZeros = false; + } + } + if (isValid && !allZeros) { + this.dashArray = dashArray; + } else { + this.width = 0; // Adobe behavior when the array is invalid. + } + } else if (dashArray) { + this.width = 0; // Adobe behavior when the array is invalid. + } + }, + + /** + * Set the horizontal corner radius (from a Border dictionary). + * + * @public + * @memberof AnnotationBorderStyle + * @param {integer} radius - The horizontal corner radius + */ + setHorizontalCornerRadius: + function AnnotationBorderStyle_setHorizontalCornerRadius(radius) { + if (radius === (radius | 0)) { + this.horizontalCornerRadius = radius; + } + }, + + /** + * Set the vertical corner radius (from a Border dictionary). + * + * @public + * @memberof AnnotationBorderStyle + * @param {integer} radius - The vertical corner radius + */ + setVerticalCornerRadius: + function AnnotationBorderStyle_setVerticalCornerRadius(radius) { + if (radius === (radius | 0)) { + this.verticalCornerRadius = radius; + } + } + }; + + return AnnotationBorderStyle; +})(); + +var WidgetAnnotation = (function WidgetAnnotationClosure() { + function WidgetAnnotation(params) { + Annotation.call(this, params); + + var dict = params.dict; + var data = this.data; + + data.annotationType = AnnotationType.WIDGET; + data.fieldValue = stringToPDFString( + Util.getInheritableProperty(dict, 'V') || ''); + data.alternativeText = stringToPDFString(dict.get('TU') || ''); + data.defaultAppearance = Util.getInheritableProperty(dict, 'DA') || ''; + var fieldType = Util.getInheritableProperty(dict, 'FT'); + data.fieldType = isName(fieldType) ? fieldType.name : ''; + data.fieldFlags = Util.getInheritableProperty(dict, 'Ff') || 0; + this.fieldResources = Util.getInheritableProperty(dict, 'DR') || Dict.empty; + + // Hide unsupported Widget signatures. + if (data.fieldType === 'Sig') { + warn('unimplemented annotation type: Widget signature'); + this.setFlags(AnnotationFlag.HIDDEN); + } + + // Building the full field name by collecting the field and + // its ancestors 'T' data and joining them using '.'. + var fieldName = []; + var namedItem = dict; + var ref = params.ref; + while (namedItem) { + var parent = namedItem.get('Parent'); + var parentRef = namedItem.getRaw('Parent'); + var name = namedItem.get('T'); + if (name) { + fieldName.unshift(stringToPDFString(name)); + } else if (parent && ref) { + // The field name is absent, that means more than one field + // with the same name may exist. Replacing the empty name + // with the '`' plus index in the parent's 'Kids' array. + // This is not in the PDF spec but necessary to id the + // the input controls. + var kids = parent.get('Kids'); + var j, jj; + for (j = 0, jj = kids.length; j < jj; j++) { + var kidRef = kids[j]; + if (kidRef.num === ref.num && kidRef.gen === ref.gen) { + break; + } + } + fieldName.unshift('`' + j); + } + namedItem = parent; + ref = parentRef; + } + data.fullName = fieldName.join('.'); + } + + Util.inherit(WidgetAnnotation, Annotation, {}); + + return WidgetAnnotation; +})(); + +var TextWidgetAnnotation = (function TextWidgetAnnotationClosure() { + function TextWidgetAnnotation(params) { + WidgetAnnotation.call(this, params); + + this.data.textAlignment = Util.getInheritableProperty(params.dict, 'Q'); + this.data.hasHtml = !this.data.hasAppearance && !!this.data.fieldValue; + } + + Util.inherit(TextWidgetAnnotation, WidgetAnnotation, { + getOperatorList: function TextWidgetAnnotation_getOperatorList(evaluator, + task) { + if (this.appearance) { + return Annotation.prototype.getOperatorList.call(this, evaluator, task); + } + + var opList = new OperatorList(); + var data = this.data; + + // Even if there is an appearance stream, ignore it. This is the + // behaviour used by Adobe Reader. + if (!data.defaultAppearance) { + return Promise.resolve(opList); + } + + var stream = new Stream(stringToBytes(data.defaultAppearance)); + return evaluator.getOperatorList(stream, task, + this.fieldResources, opList). + then(function () { + return opList; + }); + } + }); + + return TextWidgetAnnotation; +})(); + +var TextAnnotation = (function TextAnnotationClosure() { + var DEFAULT_ICON_SIZE = 22; // px + + function TextAnnotation(parameters) { + Annotation.call(this, parameters); + + this.data.annotationType = AnnotationType.TEXT; + this.data.hasHtml = true; + + var dict = parameters.dict; + if (this.data.hasAppearance) { + this.data.name = 'NoIcon'; + } else { + this.data.rect[1] = this.data.rect[3] - DEFAULT_ICON_SIZE; + this.data.rect[2] = this.data.rect[0] + DEFAULT_ICON_SIZE; + this.data.name = dict.has('Name') ? dict.get('Name').name : 'Note'; + } + + if (!dict.has('C')) { + // Fall back to the default background color. + this.data.color = null; + } + + this.data.hasPopup = dict.has('Popup'); + if (!this.data.hasPopup) { + // There is no associated Popup annotation, so the Text annotation + // must create its own popup. + this.data.title = stringToPDFString(dict.get('T') || ''); + this.data.contents = stringToPDFString(dict.get('Contents') || ''); + this.data.hasHtml = (this.data.title || this.data.contents); + } + } + + Util.inherit(TextAnnotation, Annotation, {}); + + return TextAnnotation; +})(); + +var LinkAnnotation = (function LinkAnnotationClosure() { + function LinkAnnotation(params) { + Annotation.call(this, params); + + var dict = params.dict; + var data = this.data; + data.annotationType = AnnotationType.LINK; + data.hasHtml = true; + + var action = dict.get('A'); + if (action && isDict(action)) { + var linkType = action.get('S').name; + if (linkType === 'URI') { + var url = action.get('URI'); + if (isName(url)) { + // Some bad PDFs do not put parentheses around relative URLs. + url = '/' + url.name; + } else if (url) { + url = addDefaultProtocolToUrl(url); + } + // TODO: pdf spec mentions urls can be relative to a Base + // entry in the dictionary. + if (!isValidUrl(url, false)) { + url = ''; + } + // According to ISO 32000-1:2008, section 12.6.4.7, + // URI should to be encoded in 7-bit ASCII. + // Some bad PDFs may have URIs in UTF-8 encoding, see Bugzilla 1122280. + try { + data.url = stringToUTF8String(url); + } catch (e) { + // Fall back to a simple copy. + data.url = url; + } + } else if (linkType === 'GoTo') { + data.dest = action.get('D'); + } else if (linkType === 'GoToR') { + var urlDict = action.get('F'); + if (isDict(urlDict)) { + // We assume that the 'url' is a Filspec dictionary + // and fetch the url without checking any further + url = urlDict.get('F') || ''; + } + + // TODO: pdf reference says that GoToR + // can also have 'NewWindow' attribute + if (!isValidUrl(url, false)) { + url = ''; + } + data.url = url; + data.dest = action.get('D'); + } else if (linkType === 'Named') { + data.action = action.get('N').name; + } else { + warn('unrecognized link type: ' + linkType); + } + } else if (dict.has('Dest')) { + // simple destination link + var dest = dict.get('Dest'); + data.dest = isName(dest) ? dest.name : dest; + } + } + + // Lets URLs beginning with 'www.' default to using the 'http://' protocol. + function addDefaultProtocolToUrl(url) { + if (url && url.indexOf('www.') === 0) { + return ('http://' + url); + } + return url; + } + + Util.inherit(LinkAnnotation, Annotation, {}); + + return LinkAnnotation; +})(); + +var PopupAnnotation = (function PopupAnnotationClosure() { + function PopupAnnotation(parameters) { + Annotation.call(this, parameters); + + this.data.annotationType = AnnotationType.POPUP; + + var dict = parameters.dict; + var parentItem = dict.get('Parent'); + if (!parentItem) { + warn('Popup annotation has a missing or invalid parent annotation.'); + return; + } + + this.data.parentId = dict.getRaw('Parent').toString(); + this.data.title = stringToPDFString(parentItem.get('T') || ''); + this.data.contents = stringToPDFString(parentItem.get('Contents') || ''); + + if (!parentItem.has('C')) { + // Fall back to the default background color. + this.data.color = null; + } else { + this.setColor(parentItem.get('C')); + this.data.color = this.color; + } + + this.data.hasHtml = (this.data.title || this.data.contents); + } + + Util.inherit(PopupAnnotation, Annotation, {}); + + return PopupAnnotation; +})(); + +var HighlightAnnotation = (function HighlightAnnotationClosure() { + function HighlightAnnotation(parameters) { + Annotation.call(this, parameters); + + this.data.annotationType = AnnotationType.HIGHLIGHT; + this.data.hasHtml = true; + + // PDF viewers completely ignore any border styles. + this.data.borderStyle.setWidth(0); + } + + Util.inherit(HighlightAnnotation, Annotation, {}); + + return HighlightAnnotation; +})(); + +var UnderlineAnnotation = (function UnderlineAnnotationClosure() { + function UnderlineAnnotation(parameters) { + Annotation.call(this, parameters); + + this.data.annotationType = AnnotationType.UNDERLINE; + this.data.hasHtml = true; + + // PDF viewers completely ignore any border styles. + this.data.borderStyle.setWidth(0); + } + + Util.inherit(UnderlineAnnotation, Annotation, {}); + + return UnderlineAnnotation; +})(); + +var SquigglyAnnotation = (function SquigglyAnnotationClosure() { + function SquigglyAnnotation(parameters) { + Annotation.call(this, parameters); + + this.data.annotationType = AnnotationType.SQUIGGLY; + this.data.hasHtml = true; + + // PDF viewers completely ignore any border styles. + this.data.borderStyle.setWidth(0); + } + + Util.inherit(SquigglyAnnotation, Annotation, {}); + + return SquigglyAnnotation; +})(); + +var StrikeOutAnnotation = (function StrikeOutAnnotationClosure() { + function StrikeOutAnnotation(parameters) { + Annotation.call(this, parameters); + + this.data.annotationType = AnnotationType.STRIKEOUT; + this.data.hasHtml = true; + + // PDF viewers completely ignore any border styles. + this.data.borderStyle.setWidth(0); + } + + Util.inherit(StrikeOutAnnotation, Annotation, {}); + + return StrikeOutAnnotation; +})(); + +exports.Annotation = Annotation; +exports.AnnotationBorderStyle = AnnotationBorderStyle; +exports.AnnotationFactory = AnnotationFactory; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreDocument = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream, + root.pdfjsCoreObj, root.pdfjsCoreParser, root.pdfjsCoreCrypto, + root.pdfjsCoreEvaluator, root.pdfjsCoreAnnotation); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream, coreObj, + coreParser, coreCrypto, coreEvaluator, coreAnnotation) { + +var MissingDataException = sharedUtil.MissingDataException; +var Util = sharedUtil.Util; +var assert = sharedUtil.assert; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isArrayBuffer = sharedUtil.isArrayBuffer; +var isString = sharedUtil.isString; +var shadow = sharedUtil.shadow; +var stringToBytes = sharedUtil.stringToBytes; +var stringToPDFString = sharedUtil.stringToPDFString; +var warn = sharedUtil.warn; +var Dict = corePrimitives.Dict; +var isDict = corePrimitives.isDict; +var isName = corePrimitives.isName; +var isStream = corePrimitives.isStream; +var NullStream = coreStream.NullStream; +var Stream = coreStream.Stream; +var StreamsSequenceStream = coreStream.StreamsSequenceStream; +var Catalog = coreObj.Catalog; +var ObjectLoader = coreObj.ObjectLoader; +var XRef = coreObj.XRef; +var Lexer = coreParser.Lexer; +var Linearization = coreParser.Linearization; +var calculateMD5 = coreCrypto.calculateMD5; +var OperatorList = coreEvaluator.OperatorList; +var PartialEvaluator = coreEvaluator.PartialEvaluator; +var Annotation = coreAnnotation.Annotation; +var AnnotationFactory = coreAnnotation.AnnotationFactory; + +var Page = (function PageClosure() { + + var LETTER_SIZE_MEDIABOX = [0, 0, 612, 792]; + + function Page(pdfManager, xref, pageIndex, pageDict, ref, fontCache) { + this.pdfManager = pdfManager; + this.pageIndex = pageIndex; + this.pageDict = pageDict; + this.xref = xref; + this.ref = ref; + this.fontCache = fontCache; + this.idCounters = { + obj: 0 + }; + this.resourcesPromise = null; + } + + Page.prototype = { + getPageProp: function Page_getPageProp(key) { + return this.pageDict.get(key); + }, + + getInheritedPageProp: function Page_getInheritedPageProp(key) { + var dict = this.pageDict, valueArray = null, loopCount = 0; + var MAX_LOOP_COUNT = 100; + // Always walk up the entire parent chain, to be able to find + // e.g. \Resources placed on multiple levels of the tree. + while (dict) { + var value = dict.get(key); + if (value) { + if (!valueArray) { + valueArray = []; + } + valueArray.push(value); + } + if (++loopCount > MAX_LOOP_COUNT) { + warn('Page_getInheritedPageProp: maximum loop count exceeded.'); + break; + } + dict = dict.get('Parent'); + } + if (!valueArray) { + return Dict.empty; + } + if (valueArray.length === 1 || !isDict(valueArray[0]) || + loopCount > MAX_LOOP_COUNT) { + return valueArray[0]; + } + return Dict.merge(this.xref, valueArray); + }, + + get content() { + return this.getPageProp('Contents'); + }, + + get resources() { + // For robustness: The spec states that a \Resources entry has to be + // present, but can be empty. Some document omit it still, in this case + // we return an empty dictionary. + return shadow(this, 'resources', this.getInheritedPageProp('Resources')); + }, + + get mediaBox() { + var obj = this.getInheritedPageProp('MediaBox'); + // Reset invalid media box to letter size. + if (!isArray(obj) || obj.length !== 4) { + obj = LETTER_SIZE_MEDIABOX; + } + return shadow(this, 'mediaBox', obj); + }, + + get view() { + var mediaBox = this.mediaBox; + var cropBox = this.getInheritedPageProp('CropBox'); + if (!isArray(cropBox) || cropBox.length !== 4) { + return shadow(this, 'view', mediaBox); + } + + // From the spec, 6th ed., p.963: + // "The crop, bleed, trim, and art boxes should not ordinarily + // extend beyond the boundaries of the media box. If they do, they are + // effectively reduced to their intersection with the media box." + cropBox = Util.intersect(cropBox, mediaBox); + if (!cropBox) { + return shadow(this, 'view', mediaBox); + } + return shadow(this, 'view', cropBox); + }, + + get rotate() { + var rotate = this.getInheritedPageProp('Rotate') || 0; + // Normalize rotation so it's a multiple of 90 and between 0 and 270 + if (rotate % 90 !== 0) { + rotate = 0; + } else if (rotate >= 360) { + rotate = rotate % 360; + } else if (rotate < 0) { + // The spec doesn't cover negatives, assume its counterclockwise + // rotation. The following is the other implementation of modulo. + rotate = ((rotate % 360) + 360) % 360; + } + return shadow(this, 'rotate', rotate); + }, + + getContentStream: function Page_getContentStream() { + var content = this.content; + var stream; + if (isArray(content)) { + // fetching items + var xref = this.xref; + var i, n = content.length; + var streams = []; + for (i = 0; i < n; ++i) { + streams.push(xref.fetchIfRef(content[i])); + } + stream = new StreamsSequenceStream(streams); + } else if (isStream(content)) { + stream = content; + } else { + // replacing non-existent page content with empty one + stream = new NullStream(); + } + return stream; + }, + + loadResources: function Page_loadResources(keys) { + if (!this.resourcesPromise) { + // TODO: add async getInheritedPageProp and remove this. + this.resourcesPromise = this.pdfManager.ensure(this, 'resources'); + } + return this.resourcesPromise.then(function resourceSuccess() { + var objectLoader = new ObjectLoader(this.resources.map, + keys, + this.xref); + return objectLoader.load(); + }.bind(this)); + }, + + getOperatorList: function Page_getOperatorList(handler, task, intent) { + var self = this; + + var pdfManager = this.pdfManager; + var contentStreamPromise = pdfManager.ensure(this, 'getContentStream', + []); + var resourcesPromise = this.loadResources([ + 'ExtGState', + 'ColorSpace', + 'Pattern', + 'Shading', + 'XObject', + 'Font' + // ProcSet + // Properties + ]); + + var partialEvaluator = new PartialEvaluator(pdfManager, this.xref, + handler, this.pageIndex, + 'p' + this.pageIndex + '_', + this.idCounters, + this.fontCache); + + var dataPromises = Promise.all([contentStreamPromise, resourcesPromise]); + var pageListPromise = dataPromises.then(function(data) { + var contentStream = data[0]; + var opList = new OperatorList(intent, handler, self.pageIndex); + + handler.send('StartRenderPage', { + transparency: partialEvaluator.hasBlendModes(self.resources), + pageIndex: self.pageIndex, + intent: intent + }); + return partialEvaluator.getOperatorList(contentStream, task, + self.resources, opList).then(function () { + return opList; + }); + }); + + var annotationsPromise = pdfManager.ensure(this, 'annotations'); + return Promise.all([pageListPromise, annotationsPromise]).then( + function(datas) { + var pageOpList = datas[0]; + var annotations = datas[1]; + + if (annotations.length === 0) { + pageOpList.flush(true); + return pageOpList; + } + + var annotationsReadyPromise = Annotation.appendToOperatorList( + annotations, pageOpList, partialEvaluator, task, intent); + return annotationsReadyPromise.then(function () { + pageOpList.flush(true); + return pageOpList; + }); + }); + }, + + extractTextContent: function Page_extractTextContent(task, + normalizeWhitespace) { + var handler = { + on: function nullHandlerOn() {}, + send: function nullHandlerSend() {} + }; + + var self = this; + + var pdfManager = this.pdfManager; + var contentStreamPromise = pdfManager.ensure(this, 'getContentStream', + []); + + var resourcesPromise = this.loadResources([ + 'ExtGState', + 'XObject', + 'Font' + ]); + + var dataPromises = Promise.all([contentStreamPromise, + resourcesPromise]); + return dataPromises.then(function(data) { + var contentStream = data[0]; + var partialEvaluator = new PartialEvaluator(pdfManager, self.xref, + handler, self.pageIndex, + 'p' + self.pageIndex + '_', + self.idCounters, + self.fontCache); + + return partialEvaluator.getTextContent(contentStream, + task, + self.resources, + /* stateManager = */ null, + normalizeWhitespace); + }); + }, + + getAnnotationsData: function Page_getAnnotationsData(intent) { + var annotations = this.annotations; + var annotationsData = []; + for (var i = 0, n = annotations.length; i < n; ++i) { + if (intent) { + if (!(intent === 'display' && annotations[i].viewable) && + !(intent === 'print' && annotations[i].printable)) { + continue; + } + } + annotationsData.push(annotations[i].data); + } + return annotationsData; + }, + + get annotations() { + var annotations = []; + var annotationRefs = this.getInheritedPageProp('Annots') || []; + var annotationFactory = new AnnotationFactory(); + for (var i = 0, n = annotationRefs.length; i < n; ++i) { + var annotationRef = annotationRefs[i]; + var annotation = annotationFactory.create(this.xref, annotationRef); + if (annotation) { + annotations.push(annotation); + } + } + return shadow(this, 'annotations', annotations); + } + }; + + return Page; +})(); + +/** + * The `PDFDocument` holds all the data of the PDF file. Compared to the + * `PDFDoc`, this one doesn't have any job management code. + * Right now there exists one PDFDocument on the main thread + one object + * for each worker. If there is no worker support enabled, there are two + * `PDFDocument` objects on the main thread created. + */ +var PDFDocument = (function PDFDocumentClosure() { + var FINGERPRINT_FIRST_BYTES = 1024; + var EMPTY_FINGERPRINT = '\x00\x00\x00\x00\x00\x00\x00' + + '\x00\x00\x00\x00\x00\x00\x00\x00\x00'; + + function PDFDocument(pdfManager, arg, password) { + if (isStream(arg)) { + init.call(this, pdfManager, arg, password); + } else if (isArrayBuffer(arg)) { + init.call(this, pdfManager, new Stream(arg), password); + } else { + error('PDFDocument: Unknown argument type'); + } + } + + function init(pdfManager, stream, password) { + assert(stream.length > 0, 'stream must have data'); + this.pdfManager = pdfManager; + this.stream = stream; + var xref = new XRef(this.stream, password, pdfManager); + this.xref = xref; + } + + function find(stream, needle, limit, backwards) { + var pos = stream.pos; + var end = stream.end; + var strBuf = []; + if (pos + limit > end) { + limit = end - pos; + } + for (var n = 0; n < limit; ++n) { + strBuf.push(String.fromCharCode(stream.getByte())); + } + var str = strBuf.join(''); + stream.pos = pos; + var index = backwards ? str.lastIndexOf(needle) : str.indexOf(needle); + if (index === -1) { + return false; /* not found */ + } + stream.pos += index; + return true; /* found */ + } + + var DocumentInfoValidators = { + get entries() { + // Lazily build this since all the validation functions below are not + // defined until after this file loads. + return shadow(this, 'entries', { + Title: isString, + Author: isString, + Subject: isString, + Keywords: isString, + Creator: isString, + Producer: isString, + CreationDate: isString, + ModDate: isString, + Trapped: isName + }); + } + }; + + PDFDocument.prototype = { + parse: function PDFDocument_parse(recoveryMode) { + this.setup(recoveryMode); + var version = this.catalog.catDict.get('Version'); + if (isName(version)) { + this.pdfFormatVersion = version.name; + } + try { + // checking if AcroForm is present + this.acroForm = this.catalog.catDict.get('AcroForm'); + if (this.acroForm) { + this.xfa = this.acroForm.get('XFA'); + var fields = this.acroForm.get('Fields'); + if ((!fields || !isArray(fields) || fields.length === 0) && + !this.xfa) { + // no fields and no XFA -- not a form (?) + this.acroForm = null; + } + } + } catch (ex) { + info('Something wrong with AcroForm entry'); + this.acroForm = null; + } + }, + + get linearization() { + var linearization = null; + if (this.stream.length) { + try { + linearization = Linearization.create(this.stream); + } catch (err) { + if (err instanceof MissingDataException) { + throw err; + } + info(err); + } + } + // shadow the prototype getter with a data property + return shadow(this, 'linearization', linearization); + }, + get startXRef() { + var stream = this.stream; + var startXRef = 0; + var linearization = this.linearization; + if (linearization) { + // Find end of first obj. + stream.reset(); + if (find(stream, 'endobj', 1024)) { + startXRef = stream.pos + 6; + } + } else { + // Find startxref by jumping backward from the end of the file. + var step = 1024; + var found = false, pos = stream.end; + while (!found && pos > 0) { + pos -= step - 'startxref'.length; + if (pos < 0) { + pos = 0; + } + stream.pos = pos; + found = find(stream, 'startxref', step, true); + } + if (found) { + stream.skip(9); + var ch; + do { + ch = stream.getByte(); + } while (Lexer.isSpace(ch)); + var str = ''; + while (ch >= 0x20 && ch <= 0x39) { // < '9' + str += String.fromCharCode(ch); + ch = stream.getByte(); + } + startXRef = parseInt(str, 10); + if (isNaN(startXRef)) { + startXRef = 0; + } + } + } + // shadow the prototype getter with a data property + return shadow(this, 'startXRef', startXRef); + }, + get mainXRefEntriesOffset() { + var mainXRefEntriesOffset = 0; + var linearization = this.linearization; + if (linearization) { + mainXRefEntriesOffset = linearization.mainXRefEntriesOffset; + } + // shadow the prototype getter with a data property + return shadow(this, 'mainXRefEntriesOffset', mainXRefEntriesOffset); + }, + // Find the header, remove leading garbage and setup the stream + // starting from the header. + checkHeader: function PDFDocument_checkHeader() { + var stream = this.stream; + stream.reset(); + if (find(stream, '%PDF-', 1024)) { + // Found the header, trim off any garbage before it. + stream.moveStart(); + // Reading file format version + var MAX_VERSION_LENGTH = 12; + var version = '', ch; + while ((ch = stream.getByte()) > 0x20) { // SPACE + if (version.length >= MAX_VERSION_LENGTH) { + break; + } + version += String.fromCharCode(ch); + } + if (!this.pdfFormatVersion) { + // removing "%PDF-"-prefix + this.pdfFormatVersion = version.substring(5); + } + return; + } + // May not be a PDF file, continue anyway. + }, + parseStartXRef: function PDFDocument_parseStartXRef() { + var startXRef = this.startXRef; + this.xref.setStartXRef(startXRef); + }, + setup: function PDFDocument_setup(recoveryMode) { + this.xref.parse(recoveryMode); + var self = this; + var pageFactory = { + createPage: function (pageIndex, dict, ref, fontCache) { + return new Page(self.pdfManager, self.xref, pageIndex, dict, ref, + fontCache); + } + }; + this.catalog = new Catalog(this.pdfManager, this.xref, pageFactory); + }, + get numPages() { + var linearization = this.linearization; + var num = linearization ? linearization.numPages : this.catalog.numPages; + // shadow the prototype getter + return shadow(this, 'numPages', num); + }, + get documentInfo() { + var docInfo = { + PDFFormatVersion: this.pdfFormatVersion, + IsAcroFormPresent: !!this.acroForm, + IsXFAPresent: !!this.xfa + }; + var infoDict; + try { + infoDict = this.xref.trailer.get('Info'); + } catch (err) { + info('The document information dictionary is invalid.'); + } + if (infoDict) { + var validEntries = DocumentInfoValidators.entries; + // Only fill the document info with valid entries from the spec. + for (var key in validEntries) { + if (infoDict.has(key)) { + var value = infoDict.get(key); + // Make sure the value conforms to the spec. + if (validEntries[key](value)) { + docInfo[key] = (typeof value !== 'string' ? + value : stringToPDFString(value)); + } else { + info('Bad value in document info for "' + key + '"'); + } + } + } + } + return shadow(this, 'documentInfo', docInfo); + }, + get fingerprint() { + var xref = this.xref, hash, fileID = ''; + var idArray = xref.trailer.get('ID'); + + if (idArray && isArray(idArray) && idArray[0] && isString(idArray[0]) && + idArray[0] !== EMPTY_FINGERPRINT) { + hash = stringToBytes(idArray[0]); + } else { + if (this.stream.ensureRange) { + this.stream.ensureRange(0, + Math.min(FINGERPRINT_FIRST_BYTES, this.stream.end)); + } + hash = calculateMD5(this.stream.bytes.subarray(0, + FINGERPRINT_FIRST_BYTES), 0, FINGERPRINT_FIRST_BYTES); + } + + for (var i = 0, n = hash.length; i < n; i++) { + var hex = hash[i].toString(16); + fileID += hex.length === 1 ? '0' + hex : hex; + } + + return shadow(this, 'fingerprint', fileID); + }, + + getPage: function PDFDocument_getPage(pageIndex) { + return this.catalog.getPage(pageIndex); + }, + + cleanup: function PDFDocument_cleanup() { + return this.catalog.cleanup(); + } + }; + + return PDFDocument; +})(); + +exports.Page = Page; +exports.PDFDocument = PDFDocument; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCorePdfManager = {}), root.pdfjsSharedUtil, + root.pdfjsCoreStream, root.pdfjsCoreChunkedStream, + root.pdfjsCoreDocument); + } +}(this, function (exports, sharedUtil, coreStream, coreChunkedStream, + coreDocument) { + +var NotImplementedException = sharedUtil.NotImplementedException; +var MissingDataException = sharedUtil.MissingDataException; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var Util = sharedUtil.Util; +var Stream = coreStream.Stream; +var ChunkedStreamManager = coreChunkedStream.ChunkedStreamManager; +var PDFDocument = coreDocument.PDFDocument; + +var BasePdfManager = (function BasePdfManagerClosure() { + function BasePdfManager() { + throw new Error('Cannot initialize BaseManagerManager'); + } + + BasePdfManager.prototype = { + get docId() { + return this._docId; + }, + + onLoadedStream: function BasePdfManager_onLoadedStream() { + throw new NotImplementedException(); + }, + + ensureDoc: function BasePdfManager_ensureDoc(prop, args) { + return this.ensure(this.pdfDocument, prop, args); + }, + + ensureXRef: function BasePdfManager_ensureXRef(prop, args) { + return this.ensure(this.pdfDocument.xref, prop, args); + }, + + ensureCatalog: function BasePdfManager_ensureCatalog(prop, args) { + return this.ensure(this.pdfDocument.catalog, prop, args); + }, + + getPage: function BasePdfManager_getPage(pageIndex) { + return this.pdfDocument.getPage(pageIndex); + }, + + cleanup: function BasePdfManager_cleanup() { + return this.pdfDocument.cleanup(); + }, + + ensure: function BasePdfManager_ensure(obj, prop, args) { + return new NotImplementedException(); + }, + + requestRange: function BasePdfManager_requestRange(begin, end) { + return new NotImplementedException(); + }, + + requestLoadedStream: function BasePdfManager_requestLoadedStream() { + return new NotImplementedException(); + }, + + sendProgressiveData: function BasePdfManager_sendProgressiveData(chunk) { + return new NotImplementedException(); + }, + + updatePassword: function BasePdfManager_updatePassword(password) { + this.pdfDocument.xref.password = this.password = password; + if (this._passwordChangedCapability) { + this._passwordChangedCapability.resolve(); + } + }, + + passwordChanged: function BasePdfManager_passwordChanged() { + this._passwordChangedCapability = createPromiseCapability(); + return this._passwordChangedCapability.promise; + }, + + terminate: function BasePdfManager_terminate() { + return new NotImplementedException(); + } + }; + + return BasePdfManager; +})(); + +var LocalPdfManager = (function LocalPdfManagerClosure() { + function LocalPdfManager(docId, data, password) { + this._docId = docId; + var stream = new Stream(data); + this.pdfDocument = new PDFDocument(this, stream, password); + this._loadedStreamCapability = createPromiseCapability(); + this._loadedStreamCapability.resolve(stream); + } + + Util.inherit(LocalPdfManager, BasePdfManager, { + ensure: function LocalPdfManager_ensure(obj, prop, args) { + return new Promise(function (resolve, reject) { + try { + var value = obj[prop]; + var result; + if (typeof value === 'function') { + result = value.apply(obj, args); + } else { + result = value; + } + resolve(result); + } catch (e) { + reject(e); + } + }); + }, + + requestRange: function LocalPdfManager_requestRange(begin, end) { + return Promise.resolve(); + }, + + requestLoadedStream: function LocalPdfManager_requestLoadedStream() { + return; + }, + + onLoadedStream: function LocalPdfManager_onLoadedStream() { + return this._loadedStreamCapability.promise; + }, + + terminate: function LocalPdfManager_terminate() { + return; + } + }); + + return LocalPdfManager; +})(); + +var NetworkPdfManager = (function NetworkPdfManagerClosure() { + function NetworkPdfManager(docId, args, msgHandler) { + this._docId = docId; + this.msgHandler = msgHandler; + + var params = { + msgHandler: msgHandler, + httpHeaders: args.httpHeaders, + withCredentials: args.withCredentials, + chunkedViewerLoading: args.chunkedViewerLoading, + disableAutoFetch: args.disableAutoFetch, + initialData: args.initialData + }; + this.streamManager = new ChunkedStreamManager(args.length, + args.rangeChunkSize, + args.url, params); + this.pdfDocument = new PDFDocument(this, this.streamManager.getStream(), + args.password); + } + + Util.inherit(NetworkPdfManager, BasePdfManager, { + ensure: function NetworkPdfManager_ensure(obj, prop, args) { + var pdfManager = this; + + return new Promise(function (resolve, reject) { + function ensureHelper() { + try { + var result; + var value = obj[prop]; + if (typeof value === 'function') { + result = value.apply(obj, args); + } else { + result = value; + } + resolve(result); + } catch(e) { + if (!(e instanceof MissingDataException)) { + reject(e); + return; + } + pdfManager.streamManager.requestRange(e.begin, e.end). + then(ensureHelper, reject); + } + } + + ensureHelper(); + }); + }, + + requestRange: function NetworkPdfManager_requestRange(begin, end) { + return this.streamManager.requestRange(begin, end); + }, + + requestLoadedStream: function NetworkPdfManager_requestLoadedStream() { + this.streamManager.requestAllChunks(); + }, + + sendProgressiveData: + function NetworkPdfManager_sendProgressiveData(chunk) { + this.streamManager.onReceiveData({ chunk: chunk }); + }, + + onLoadedStream: function NetworkPdfManager_onLoadedStream() { + return this.streamManager.onLoadedStream(); + }, + + terminate: function NetworkPdfManager_terminate() { + this.streamManager.abort(); + } + }); + + return NetworkPdfManager; +})(); + +exports.LocalPdfManager = LocalPdfManager; +exports.NetworkPdfManager = NetworkPdfManager; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreWorker = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCorePdfManager, + root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedUtil, corePrimitives, corePdfManager, + sharedGlobal) { + +var UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES; +var InvalidPDFException = sharedUtil.InvalidPDFException; +var MessageHandler = sharedUtil.MessageHandler; +var MissingPDFException = sharedUtil.MissingPDFException; +var UnexpectedResponseException = sharedUtil.UnexpectedResponseException; +var PasswordException = sharedUtil.PasswordException; +var PasswordResponses = sharedUtil.PasswordResponses; +var UnknownErrorException = sharedUtil.UnknownErrorException; +var XRefParseException = sharedUtil.XRefParseException; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isInt = sharedUtil.isInt; +var warn = sharedUtil.warn; +var Ref = corePrimitives.Ref; +var LocalPdfManager = corePdfManager.LocalPdfManager; +var NetworkPdfManager = corePdfManager.NetworkPdfManager; +var globalScope = sharedGlobal.globalScope; +var PDFJS = sharedGlobal.PDFJS; + +var WorkerTask = (function WorkerTaskClosure() { + function WorkerTask(name) { + this.name = name; + this.terminated = false; + this._capability = createPromiseCapability(); + } + + WorkerTask.prototype = { + get finished() { + return this._capability.promise; + }, + + finish: function () { + this._capability.resolve(); + }, + + terminate: function () { + this.terminated = true; + }, + + ensureNotTerminated: function () { + if (this.terminated) { + throw new Error('Worker task was terminated'); + } + } + }; + + return WorkerTask; +})(); var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { - setup: function wphSetup(handler) { + setup: function wphSetup(handler, port) { + var testMessageProcessed = false; + handler.on('test', function wphSetupTest(data) { + if (testMessageProcessed) { + return; // we already processed 'test' message once + } + testMessageProcessed = true; + + // check if Uint8Array can be sent to worker + if (!(data instanceof Uint8Array)) { + handler.send('test', 'main', false); + return; + } + // making sure postMessage transfers are working + var supportTransfers = data[0] === 255; + handler.postMessageTransfers = supportTransfers; + // check if the response property is supported by xhr + var xhr = new XMLHttpRequest(); + var responseExists = 'response' in xhr; + // check if the property is actually implemented + try { + var dummy = xhr.responseType; + } catch (e) { + responseExists = false; + } + if (!responseExists) { + handler.send('test', false); + return; + } + handler.send('test', { + supportTypedArray: true, + supportTransfers: supportTransfers + }); + }); + + handler.on('GetDocRequest', function wphSetupDoc(data) { + return WorkerMessageHandler.createDocumentHandler(data, port); + }); + }, + createDocumentHandler: function wphCreateDocumentHandler(docParams, port) { + // This context is actually holds references on pdfManager and handler, + // until the latter is destroyed. var pdfManager; + var terminated = false; + var cancelXHRs = null; + var WorkerTasks = []; + + var docId = docParams.docId; + var workerHandlerName = docParams.docId + '_worker'; + var handler = new MessageHandler(workerHandlerName, docId, port); + + function ensureNotTerminated() { + if (terminated) { + throw new Error('Worker was terminated'); + } + } + + function startWorkerTask(task) { + WorkerTasks.push(task); + } + + function finishWorkerTask(task) { + task.finish(); + var i = WorkerTasks.indexOf(task); + WorkerTasks.splice(i, 1); + } function loadDocument(recoveryMode) { var loadDocumentCapability = createPromiseCapability(); @@ -33493,21 +40612,22 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { function getPdfManager(data) { var pdfManagerCapability = createPromiseCapability(); + var pdfManager; var source = data.source; var disableRange = data.disableRange; if (source.data) { try { - pdfManager = new LocalPdfManager(source.data, source.password); - pdfManagerCapability.resolve(); + pdfManager = new LocalPdfManager(docId, source.data, source.password); + pdfManagerCapability.resolve(pdfManager); } catch (ex) { pdfManagerCapability.reject(ex); } return pdfManagerCapability.promise; } else if (source.chunkedViewerLoading) { try { - pdfManager = new NetworkPdfManager(source, handler); - pdfManagerCapability.resolve(); + pdfManager = new NetworkPdfManager(docId, source, handler); + pdfManagerCapability.resolve(pdfManager); } catch (ex) { pdfManagerCapability.reject(ex); } @@ -33542,7 +40662,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { return; } source.length = length; - if (length <= 2 * RANGE_CHUNK_SIZE) { + if (length <= 2 * source.rangeChunkSize) { // The file size is smaller than the size of two chunks, so it does // not make any sense to abort the request and retry with a range // request. @@ -33563,11 +40683,12 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { } try { - pdfManager = new NetworkPdfManager(source, handler); + pdfManager = new NetworkPdfManager(docId, source, handler); pdfManagerCapability.resolve(pdfManager); } catch (ex) { pdfManagerCapability.reject(ex); } + cancelXHRs = null; }, onProgressiveData: source.disableStream ? null : @@ -33607,16 +40728,17 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { // the data is array, instantiating directly from it try { - pdfManager = new LocalPdfManager(pdfFile, source.password); - pdfManagerCapability.resolve(); + pdfManager = new LocalPdfManager(docId, pdfFile, source.password); + pdfManagerCapability.resolve(pdfManager); } catch (ex) { pdfManagerCapability.reject(ex); } + cancelXHRs = null; }, onError: function onError(status) { var exception; - if (status === 404) { + if (status === 404 || status === 0 && /^file:/.test(source.url)) { exception = new MissingPDFException('Missing PDF "' + source.url + '".'); handler.send('MissingPDF', exception); @@ -33626,6 +40748,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { ') while retrieving PDF "' + source.url + '".', status); handler.send('UnexpectedResponse', exception); } + cancelXHRs = null; }, onProgress: function onProgress(evt) { @@ -33636,40 +40759,16 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { } }); + cancelXHRs = function () { + networkManager.abortRequest(fullRequestXhrId); + }; + return pdfManagerCapability.promise; } - handler.on('test', function wphSetupTest(data) { - // check if Uint8Array can be sent to worker - if (!(data instanceof Uint8Array)) { - handler.send('test', false); - return; - } - // making sure postMessage transfers are working - var supportTransfers = data[0] === 255; - handler.postMessageTransfers = supportTransfers; - // check if the response property is supported by xhr - var xhr = new XMLHttpRequest(); - var responseExists = 'response' in xhr; - // check if the property is actually implemented - try { - var dummy = xhr.responseType; - } catch (e) { - responseExists = false; - } - if (!responseExists) { - handler.send('test', false); - return; - } - handler.send('test', { - supportTypedArray: true, - supportTransfers: supportTransfers - }); - }); - - handler.on('GetDocRequest', function wphSetupDoc(data) { - + var setupDoc = function(data) { var onSuccess = function(doc) { + ensureNotTerminated(); handler.send('GetDoc', { pdfInfo: doc }); }; @@ -33692,6 +40791,8 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { } }; + ensureNotTerminated(); + PDFJS.maxImageSize = data.maxImageSize === undefined ? -1 : data.maxImageSize; PDFJS.disableFontFace = data.disableFontFace; @@ -33701,13 +40802,25 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { null : data.cMapUrl; PDFJS.cMapPacked = data.cMapPacked === true; - getPdfManager(data).then(function () { + getPdfManager(data).then(function (newPdfManager) { + if (terminated) { + // We were in a process of setting up the manager, but it got + // terminated in the middle. + newPdfManager.terminate(); + throw new Error('Worker was terminated'); + } + + pdfManager = newPdfManager; handler.send('PDFManagerReady', null); pdfManager.onLoadedStream().then(function(stream) { handler.send('DataLoaded', { length: stream.bytes.byteLength }); }); }).then(function pdfManagerReady() { + ensureNotTerminated(); + loadDocument(false).then(onSuccess, function loadFailure(ex) { + ensureNotTerminated(); + // Try again with recoveryMode == true if (!(ex instanceof XRefParseException)) { if (ex instanceof PasswordException) { @@ -33722,11 +40835,13 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { pdfManager.requestLoadedStream(); pdfManager.onLoadedStream().then(function() { + ensureNotTerminated(); + loadDocument(true).then(onSuccess, onFailure); }); }, onFailure); }, onFailure); - }); + }; handler.on('GetPage', function wphSetupGetPage(data) { return pdfManager.getPage(data.pageIndex).then(function(page) { @@ -33759,7 +40874,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { handler.on('GetDestination', function wphSetupGetDestination(data) { - return pdfManager.ensureCatalog('getDestination', [ data.id ]); + return pdfManager.ensureCatalog('getDestination', [data.id]); } ); @@ -33807,22 +40922,35 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { handler.on('GetAnnotations', function wphSetupGetAnnotations(data) { return pdfManager.getPage(data.pageIndex).then(function(page) { - return pdfManager.ensure(page, 'getAnnotationsData', []); + return pdfManager.ensure(page, 'getAnnotationsData', [data.intent]); }); }); handler.on('RenderPageRequest', function wphSetupRenderPage(data) { - pdfManager.getPage(data.pageIndex).then(function(page) { + var pageIndex = data.pageIndex; + pdfManager.getPage(pageIndex).then(function(page) { + var task = new WorkerTask('RenderPageRequest: page ' + pageIndex); + startWorkerTask(task); - var pageNum = data.pageIndex + 1; + var pageNum = pageIndex + 1; var start = Date.now(); // Pre compile the pdf page and fetch the fonts/images. - page.getOperatorList(handler, data.intent).then(function(operatorList) { + page.getOperatorList(handler, task, data.intent).then( + function(operatorList) { + finishWorkerTask(task); info('page=' + pageNum + ' - getOperatorList: time=' + - (Date.now() - start) + 'ms, len=' + operatorList.fnArray.length); - + (Date.now() - start) + 'ms, len=' + operatorList.totalLength); }, function(e) { + finishWorkerTask(task); + if (task.terminated) { + return; // ignoring errors from the terminated thread + } + + // For compatibility with older behavior, generating unknown + // unsupported feature notification on errors. + handler.send('UnsupportedFeature', + {featureId: UNSUPPORTED_FEATURES.unknown}); var minimumStackMessage = 'worker.js: while trying to getPage() and getOperatorList()'; @@ -33857,13 +40985,25 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { }, this); handler.on('GetTextContent', function wphExtractText(data) { - return pdfManager.getPage(data.pageIndex).then(function(page) { - var pageNum = data.pageIndex + 1; + var pageIndex = data.pageIndex; + var normalizeWhitespace = data.normalizeWhitespace; + return pdfManager.getPage(pageIndex).then(function(page) { + var task = new WorkerTask('GetTextContent: page ' + pageIndex); + startWorkerTask(task); + var pageNum = pageIndex + 1; var start = Date.now(); - return page.extractTextContent().then(function(textContent) { + return page.extractTextContent(task, normalizeWhitespace).then( + function(textContent) { + finishWorkerTask(task); info('text indexing: page=' + pageNum + ' - time=' + (Date.now() - start) + 'ms'); return textContent; + }, function (reason) { + finishWorkerTask(task); + if (task.terminated) { + return; // ignoring errors from the terminated thread + } + throw reason; }); }); }); @@ -33873,4776 +41013,91 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { }); handler.on('Terminate', function wphTerminate(data) { - pdfManager.terminate(); + terminated = true; + if (pdfManager) { + pdfManager.terminate(); + pdfManager = null; + } + if (cancelXHRs) { + cancelXHRs(); + } + + var waitOn = []; + WorkerTasks.forEach(function (task) { + waitOn.push(task.finished); + task.terminate(); + }); + + return Promise.all(waitOn).then(function () { + // Notice that even if we destroying handler, resolved response promise + // must be sent back. + handler.destroy(); + handler = null; + }); }); + + handler.on('Ready', function wphReady(data) { + setupDoc(docParams); + docParams = null; // we don't need docParams anymore -- saving memory. + }); + return workerHandlerName; } }; -var consoleTimer = {}; - -var workerConsole = { - log: function log() { - var args = Array.prototype.slice.call(arguments); - globalScope.postMessage({ - action: 'console_log', - data: args - }); - }, - - error: function error() { - var args = Array.prototype.slice.call(arguments); - globalScope.postMessage({ - action: 'console_error', - data: args - }); - throw 'pdf.js execution error'; - }, - - time: function time(name) { - consoleTimer[name] = Date.now(); - }, - - timeEnd: function timeEnd(name) { - var time = consoleTimer[name]; - if (!time) { - error('Unknown timer name ' + name); - } - this.log('Timer:', name, Date.now() - time); - } -}; - - -// Worker thread? -if (typeof window === 'undefined') { +function initializeWorker() { if (!('console' in globalScope)) { + var consoleTimer = {}; + + var workerConsole = { + log: function log() { + var args = Array.prototype.slice.call(arguments); + globalScope.postMessage({ + targetName: 'main', + action: 'console_log', + data: args + }); + }, + + error: function error() { + var args = Array.prototype.slice.call(arguments); + globalScope.postMessage({ + targetName: 'main', + action: 'console_error', + data: args + }); + throw 'pdf.js execution error'; + }, + + time: function time(name) { + consoleTimer[name] = Date.now(); + }, + + timeEnd: function timeEnd(name) { + var time = consoleTimer[name]; + if (!time) { + error('Unknown timer name ' + name); + } + this.log('Timer:', name, Date.now() - time); + } + }; + globalScope.console = workerConsole; } - // Listen for unsupported features so we can pass them on to the main thread. - PDFJS.UnsupportedManager.listen(function (msg) { - globalScope.postMessage({ - action: '_unsupported_feature', - data: msg - }); - }); - - var handler = new MessageHandler('worker_processor', this); - WorkerMessageHandler.setup(handler); + var handler = new MessageHandler('worker', 'main', self); + WorkerMessageHandler.setup(handler, self); + handler.send('ready', null); } - -/* This class implements the QM Coder decoding as defined in - * JPEG 2000 Part I Final Committee Draft Version 1.0 - * Annex C.3 Arithmetic decoding procedure - * available at http://www.jpeg.org/public/fcd15444-1.pdf - * - * The arithmetic decoder is used in conjunction with context models to decode - * JPEG2000 and JBIG2 streams. - */ -var ArithmeticDecoder = (function ArithmeticDecoderClosure() { - // Table C-2 - var QeTable = [ - {qe: 0x5601, nmps: 1, nlps: 1, switchFlag: 1}, - {qe: 0x3401, nmps: 2, nlps: 6, switchFlag: 0}, - {qe: 0x1801, nmps: 3, nlps: 9, switchFlag: 0}, - {qe: 0x0AC1, nmps: 4, nlps: 12, switchFlag: 0}, - {qe: 0x0521, nmps: 5, nlps: 29, switchFlag: 0}, - {qe: 0x0221, nmps: 38, nlps: 33, switchFlag: 0}, - {qe: 0x5601, nmps: 7, nlps: 6, switchFlag: 1}, - {qe: 0x5401, nmps: 8, nlps: 14, switchFlag: 0}, - {qe: 0x4801, nmps: 9, nlps: 14, switchFlag: 0}, - {qe: 0x3801, nmps: 10, nlps: 14, switchFlag: 0}, - {qe: 0x3001, nmps: 11, nlps: 17, switchFlag: 0}, - {qe: 0x2401, nmps: 12, nlps: 18, switchFlag: 0}, - {qe: 0x1C01, nmps: 13, nlps: 20, switchFlag: 0}, - {qe: 0x1601, nmps: 29, nlps: 21, switchFlag: 0}, - {qe: 0x5601, nmps: 15, nlps: 14, switchFlag: 1}, - {qe: 0x5401, nmps: 16, nlps: 14, switchFlag: 0}, - {qe: 0x5101, nmps: 17, nlps: 15, switchFlag: 0}, - {qe: 0x4801, nmps: 18, nlps: 16, switchFlag: 0}, - {qe: 0x3801, nmps: 19, nlps: 17, switchFlag: 0}, - {qe: 0x3401, nmps: 20, nlps: 18, switchFlag: 0}, - {qe: 0x3001, nmps: 21, nlps: 19, switchFlag: 0}, - {qe: 0x2801, nmps: 22, nlps: 19, switchFlag: 0}, - {qe: 0x2401, nmps: 23, nlps: 20, switchFlag: 0}, - {qe: 0x2201, nmps: 24, nlps: 21, switchFlag: 0}, - {qe: 0x1C01, nmps: 25, nlps: 22, switchFlag: 0}, - {qe: 0x1801, nmps: 26, nlps: 23, switchFlag: 0}, - {qe: 0x1601, nmps: 27, nlps: 24, switchFlag: 0}, - {qe: 0x1401, nmps: 28, nlps: 25, switchFlag: 0}, - {qe: 0x1201, nmps: 29, nlps: 26, switchFlag: 0}, - {qe: 0x1101, nmps: 30, nlps: 27, switchFlag: 0}, - {qe: 0x0AC1, nmps: 31, nlps: 28, switchFlag: 0}, - {qe: 0x09C1, nmps: 32, nlps: 29, switchFlag: 0}, - {qe: 0x08A1, nmps: 33, nlps: 30, switchFlag: 0}, - {qe: 0x0521, nmps: 34, nlps: 31, switchFlag: 0}, - {qe: 0x0441, nmps: 35, nlps: 32, switchFlag: 0}, - {qe: 0x02A1, nmps: 36, nlps: 33, switchFlag: 0}, - {qe: 0x0221, nmps: 37, nlps: 34, switchFlag: 0}, - {qe: 0x0141, nmps: 38, nlps: 35, switchFlag: 0}, - {qe: 0x0111, nmps: 39, nlps: 36, switchFlag: 0}, - {qe: 0x0085, nmps: 40, nlps: 37, switchFlag: 0}, - {qe: 0x0049, nmps: 41, nlps: 38, switchFlag: 0}, - {qe: 0x0025, nmps: 42, nlps: 39, switchFlag: 0}, - {qe: 0x0015, nmps: 43, nlps: 40, switchFlag: 0}, - {qe: 0x0009, nmps: 44, nlps: 41, switchFlag: 0}, - {qe: 0x0005, nmps: 45, nlps: 42, switchFlag: 0}, - {qe: 0x0001, nmps: 45, nlps: 43, switchFlag: 0}, - {qe: 0x5601, nmps: 46, nlps: 46, switchFlag: 0} - ]; - - // C.3.5 Initialisation of the decoder (INITDEC) - function ArithmeticDecoder(data, start, end) { - this.data = data; - this.bp = start; - this.dataEnd = end; - - this.chigh = data[start]; - this.clow = 0; - - this.byteIn(); - - this.chigh = ((this.chigh << 7) & 0xFFFF) | ((this.clow >> 9) & 0x7F); - this.clow = (this.clow << 7) & 0xFFFF; - this.ct -= 7; - this.a = 0x8000; - } - - ArithmeticDecoder.prototype = { - // C.3.4 Compressed data input (BYTEIN) - byteIn: function ArithmeticDecoder_byteIn() { - var data = this.data; - var bp = this.bp; - if (data[bp] === 0xFF) { - var b1 = data[bp + 1]; - if (b1 > 0x8F) { - this.clow += 0xFF00; - this.ct = 8; - } else { - bp++; - this.clow += (data[bp] << 9); - this.ct = 7; - this.bp = bp; - } - } else { - bp++; - this.clow += bp < this.dataEnd ? (data[bp] << 8) : 0xFF00; - this.ct = 8; - this.bp = bp; - } - if (this.clow > 0xFFFF) { - this.chigh += (this.clow >> 16); - this.clow &= 0xFFFF; - } - }, - // C.3.2 Decoding a decision (DECODE) - readBit: function ArithmeticDecoder_readBit(contexts, pos) { - // contexts are packed into 1 byte: - // highest 7 bits carry cx.index, lowest bit carries cx.mps - var cx_index = contexts[pos] >> 1, cx_mps = contexts[pos] & 1; - var qeTableIcx = QeTable[cx_index]; - var qeIcx = qeTableIcx.qe; - var d; - var a = this.a - qeIcx; - - if (this.chigh < qeIcx) { - // exchangeLps - if (a < qeIcx) { - a = qeIcx; - d = cx_mps; - cx_index = qeTableIcx.nmps; - } else { - a = qeIcx; - d = 1 ^ cx_mps; - if (qeTableIcx.switchFlag === 1) { - cx_mps = d; - } - cx_index = qeTableIcx.nlps; - } - } else { - this.chigh -= qeIcx; - if ((a & 0x8000) !== 0) { - this.a = a; - return cx_mps; - } - // exchangeMps - if (a < qeIcx) { - d = 1 ^ cx_mps; - if (qeTableIcx.switchFlag === 1) { - cx_mps = d; - } - cx_index = qeTableIcx.nlps; - } else { - d = cx_mps; - cx_index = qeTableIcx.nmps; - } - } - // C.3.3 renormD; - do { - if (this.ct === 0) { - this.byteIn(); - } - - a <<= 1; - this.chigh = ((this.chigh << 1) & 0xFFFF) | ((this.clow >> 15) & 1); - this.clow = (this.clow << 1) & 0xFFFF; - this.ct--; - } while ((a & 0x8000) === 0); - this.a = a; - - contexts[pos] = cx_index << 1 | cx_mps; - return d; - } - }; - - return ArithmeticDecoder; -})(); - - -var JpegImage = (function jpegImage() { - var dctZigZag = new Uint8Array([ - 0, - 1, 8, - 16, 9, 2, - 3, 10, 17, 24, - 32, 25, 18, 11, 4, - 5, 12, 19, 26, 33, 40, - 48, 41, 34, 27, 20, 13, 6, - 7, 14, 21, 28, 35, 42, 49, 56, - 57, 50, 43, 36, 29, 22, 15, - 23, 30, 37, 44, 51, 58, - 59, 52, 45, 38, 31, - 39, 46, 53, 60, - 61, 54, 47, - 55, 62, - 63 - ]); - - var dctCos1 = 4017; // cos(pi/16) - var dctSin1 = 799; // sin(pi/16) - var dctCos3 = 3406; // cos(3*pi/16) - var dctSin3 = 2276; // sin(3*pi/16) - var dctCos6 = 1567; // cos(6*pi/16) - var dctSin6 = 3784; // sin(6*pi/16) - var dctSqrt2 = 5793; // sqrt(2) - var dctSqrt1d2 = 2896; // sqrt(2) / 2 - - function constructor() { - } - - function buildHuffmanTable(codeLengths, values) { - var k = 0, code = [], i, j, length = 16; - while (length > 0 && !codeLengths[length - 1]) { - length--; - } - code.push({children: [], index: 0}); - var p = code[0], q; - for (i = 0; i < length; i++) { - for (j = 0; j < codeLengths[i]; j++) { - p = code.pop(); - p.children[p.index] = values[k]; - while (p.index > 0) { - p = code.pop(); - } - p.index++; - code.push(p); - while (code.length <= i) { - code.push(q = {children: [], index: 0}); - p.children[p.index] = q.children; - p = q; - } - k++; - } - if (i + 1 < length) { - // p here points to last code - code.push(q = {children: [], index: 0}); - p.children[p.index] = q.children; - p = q; - } - } - return code[0].children; - } - - function getBlockBufferOffset(component, row, col) { - return 64 * ((component.blocksPerLine + 1) * row + col); - } - - function decodeScan(data, offset, frame, components, resetInterval, - spectralStart, spectralEnd, successivePrev, successive) { - var precision = frame.precision; - var samplesPerLine = frame.samplesPerLine; - var scanLines = frame.scanLines; - var mcusPerLine = frame.mcusPerLine; - var progressive = frame.progressive; - var maxH = frame.maxH, maxV = frame.maxV; - - var startOffset = offset, bitsData = 0, bitsCount = 0; - - function readBit() { - if (bitsCount > 0) { - bitsCount--; - return (bitsData >> bitsCount) & 1; - } - bitsData = data[offset++]; - if (bitsData === 0xFF) { - var nextByte = data[offset++]; - if (nextByte) { - throw 'unexpected marker: ' + - ((bitsData << 8) | nextByte).toString(16); - } - // unstuff 0 - } - bitsCount = 7; - return bitsData >>> 7; - } - - function decodeHuffman(tree) { - var node = tree; - var bit; - while ((bit = readBit()) !== null) { - node = node[bit]; - if (typeof node === 'number') { - return node; - } - if (typeof node !== 'object') { - throw 'invalid huffman sequence'; - } - } - return null; - } - - function receive(length) { - var n = 0; - while (length > 0) { - var bit = readBit(); - if (bit === null) { - return; - } - n = (n << 1) | bit; - length--; - } - return n; - } - - function receiveAndExtend(length) { - if (length === 1) { - return readBit() === 1 ? 1 : -1; - } - var n = receive(length); - if (n >= 1 << (length - 1)) { - return n; - } - return n + (-1 << length) + 1; - } - - function decodeBaseline(component, offset) { - var t = decodeHuffman(component.huffmanTableDC); - var diff = t === 0 ? 0 : receiveAndExtend(t); - component.blockData[offset] = (component.pred += diff); - var k = 1; - while (k < 64) { - var rs = decodeHuffman(component.huffmanTableAC); - var s = rs & 15, r = rs >> 4; - if (s === 0) { - if (r < 15) { - break; - } - k += 16; - continue; - } - k += r; - var z = dctZigZag[k]; - component.blockData[offset + z] = receiveAndExtend(s); - k++; - } - } - - function decodeDCFirst(component, offset) { - var t = decodeHuffman(component.huffmanTableDC); - var diff = t === 0 ? 0 : (receiveAndExtend(t) << successive); - component.blockData[offset] = (component.pred += diff); - } - - function decodeDCSuccessive(component, offset) { - component.blockData[offset] |= readBit() << successive; - } - - var eobrun = 0; - function decodeACFirst(component, offset) { - if (eobrun > 0) { - eobrun--; - return; - } - var k = spectralStart, e = spectralEnd; - while (k <= e) { - var rs = decodeHuffman(component.huffmanTableAC); - var s = rs & 15, r = rs >> 4; - if (s === 0) { - if (r < 15) { - eobrun = receive(r) + (1 << r) - 1; - break; - } - k += 16; - continue; - } - k += r; - var z = dctZigZag[k]; - component.blockData[offset + z] = - receiveAndExtend(s) * (1 << successive); - k++; - } - } - - var successiveACState = 0, successiveACNextValue; - function decodeACSuccessive(component, offset) { - var k = spectralStart; - var e = spectralEnd; - var r = 0; - var s; - var rs; - while (k <= e) { - var z = dctZigZag[k]; - switch (successiveACState) { - case 0: // initial state - rs = decodeHuffman(component.huffmanTableAC); - s = rs & 15; - r = rs >> 4; - if (s === 0) { - if (r < 15) { - eobrun = receive(r) + (1 << r); - successiveACState = 4; - } else { - r = 16; - successiveACState = 1; - } - } else { - if (s !== 1) { - throw 'invalid ACn encoding'; - } - successiveACNextValue = receiveAndExtend(s); - successiveACState = r ? 2 : 3; - } - continue; - case 1: // skipping r zero items - case 2: - if (component.blockData[offset + z]) { - component.blockData[offset + z] += (readBit() << successive); - } else { - r--; - if (r === 0) { - successiveACState = successiveACState === 2 ? 3 : 0; - } - } - break; - case 3: // set value for a zero item - if (component.blockData[offset + z]) { - component.blockData[offset + z] += (readBit() << successive); - } else { - component.blockData[offset + z] = - successiveACNextValue << successive; - successiveACState = 0; - } - break; - case 4: // eob - if (component.blockData[offset + z]) { - component.blockData[offset + z] += (readBit() << successive); - } - break; - } - k++; - } - if (successiveACState === 4) { - eobrun--; - if (eobrun === 0) { - successiveACState = 0; - } - } - } - - function decodeMcu(component, decode, mcu, row, col) { - var mcuRow = (mcu / mcusPerLine) | 0; - var mcuCol = mcu % mcusPerLine; - var blockRow = mcuRow * component.v + row; - var blockCol = mcuCol * component.h + col; - var offset = getBlockBufferOffset(component, blockRow, blockCol); - decode(component, offset); - } - - function decodeBlock(component, decode, mcu) { - var blockRow = (mcu / component.blocksPerLine) | 0; - var blockCol = mcu % component.blocksPerLine; - var offset = getBlockBufferOffset(component, blockRow, blockCol); - decode(component, offset); - } - - var componentsLength = components.length; - var component, i, j, k, n; - var decodeFn; - if (progressive) { - if (spectralStart === 0) { - decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive; - } else { - decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive; - } - } else { - decodeFn = decodeBaseline; - } - - var mcu = 0, marker; - var mcuExpected; - if (componentsLength === 1) { - mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn; - } else { - mcuExpected = mcusPerLine * frame.mcusPerColumn; - } - if (!resetInterval) { - resetInterval = mcuExpected; - } - - var h, v; - while (mcu < mcuExpected) { - // reset interval stuff - for (i = 0; i < componentsLength; i++) { - components[i].pred = 0; - } - eobrun = 0; - - if (componentsLength === 1) { - component = components[0]; - for (n = 0; n < resetInterval; n++) { - decodeBlock(component, decodeFn, mcu); - mcu++; - } - } else { - for (n = 0; n < resetInterval; n++) { - for (i = 0; i < componentsLength; i++) { - component = components[i]; - h = component.h; - v = component.v; - for (j = 0; j < v; j++) { - for (k = 0; k < h; k++) { - decodeMcu(component, decodeFn, mcu, j, k); - } - } - } - mcu++; - } - } - - // find marker - bitsCount = 0; - marker = (data[offset] << 8) | data[offset + 1]; - if (marker <= 0xFF00) { - throw 'marker was not found'; - } - - if (marker >= 0xFFD0 && marker <= 0xFFD7) { // RSTx - offset += 2; - } else { - break; - } - } - - return offset - startOffset; - } - - // A port of poppler's IDCT method which in turn is taken from: - // Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz, - // 'Practical Fast 1-D DCT Algorithms with 11 Multiplications', - // IEEE Intl. Conf. on Acoustics, Speech & Signal Processing, 1989, - // 988-991. - function quantizeAndInverse(component, blockBufferOffset, p) { - var qt = component.quantizationTable, blockData = component.blockData; - var v0, v1, v2, v3, v4, v5, v6, v7; - var p0, p1, p2, p3, p4, p5, p6, p7; - var t; - - // inverse DCT on rows - for (var row = 0; row < 64; row += 8) { - // gather block data - p0 = blockData[blockBufferOffset + row]; - p1 = blockData[blockBufferOffset + row + 1]; - p2 = blockData[blockBufferOffset + row + 2]; - p3 = blockData[blockBufferOffset + row + 3]; - p4 = blockData[blockBufferOffset + row + 4]; - p5 = blockData[blockBufferOffset + row + 5]; - p6 = blockData[blockBufferOffset + row + 6]; - p7 = blockData[blockBufferOffset + row + 7]; - - // dequant p0 - p0 *= qt[row]; - - // check for all-zero AC coefficients - if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) { - t = (dctSqrt2 * p0 + 512) >> 10; - p[row] = t; - p[row + 1] = t; - p[row + 2] = t; - p[row + 3] = t; - p[row + 4] = t; - p[row + 5] = t; - p[row + 6] = t; - p[row + 7] = t; - continue; - } - // dequant p1 ... p7 - p1 *= qt[row + 1]; - p2 *= qt[row + 2]; - p3 *= qt[row + 3]; - p4 *= qt[row + 4]; - p5 *= qt[row + 5]; - p6 *= qt[row + 6]; - p7 *= qt[row + 7]; - - // stage 4 - v0 = (dctSqrt2 * p0 + 128) >> 8; - v1 = (dctSqrt2 * p4 + 128) >> 8; - v2 = p2; - v3 = p6; - v4 = (dctSqrt1d2 * (p1 - p7) + 128) >> 8; - v7 = (dctSqrt1d2 * (p1 + p7) + 128) >> 8; - v5 = p3 << 4; - v6 = p5 << 4; - - // stage 3 - v0 = (v0 + v1 + 1) >> 1; - v1 = v0 - v1; - t = (v2 * dctSin6 + v3 * dctCos6 + 128) >> 8; - v2 = (v2 * dctCos6 - v3 * dctSin6 + 128) >> 8; - v3 = t; - v4 = (v4 + v6 + 1) >> 1; - v6 = v4 - v6; - v7 = (v7 + v5 + 1) >> 1; - v5 = v7 - v5; - - // stage 2 - v0 = (v0 + v3 + 1) >> 1; - v3 = v0 - v3; - v1 = (v1 + v2 + 1) >> 1; - v2 = v1 - v2; - t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12; - v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12; - v7 = t; - t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12; - v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12; - v6 = t; - - // stage 1 - p[row] = v0 + v7; - p[row + 7] = v0 - v7; - p[row + 1] = v1 + v6; - p[row + 6] = v1 - v6; - p[row + 2] = v2 + v5; - p[row + 5] = v2 - v5; - p[row + 3] = v3 + v4; - p[row + 4] = v3 - v4; - } - - // inverse DCT on columns - for (var col = 0; col < 8; ++col) { - p0 = p[col]; - p1 = p[col + 8]; - p2 = p[col + 16]; - p3 = p[col + 24]; - p4 = p[col + 32]; - p5 = p[col + 40]; - p6 = p[col + 48]; - p7 = p[col + 56]; - - // check for all-zero AC coefficients - if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) { - t = (dctSqrt2 * p0 + 8192) >> 14; - // convert to 8 bit - t = (t < -2040) ? 0 : (t >= 2024) ? 255 : (t + 2056) >> 4; - blockData[blockBufferOffset + col] = t; - blockData[blockBufferOffset + col + 8] = t; - blockData[blockBufferOffset + col + 16] = t; - blockData[blockBufferOffset + col + 24] = t; - blockData[blockBufferOffset + col + 32] = t; - blockData[blockBufferOffset + col + 40] = t; - blockData[blockBufferOffset + col + 48] = t; - blockData[blockBufferOffset + col + 56] = t; - continue; - } - - // stage 4 - v0 = (dctSqrt2 * p0 + 2048) >> 12; - v1 = (dctSqrt2 * p4 + 2048) >> 12; - v2 = p2; - v3 = p6; - v4 = (dctSqrt1d2 * (p1 - p7) + 2048) >> 12; - v7 = (dctSqrt1d2 * (p1 + p7) + 2048) >> 12; - v5 = p3; - v6 = p5; - - // stage 3 - // Shift v0 by 128.5 << 5 here, so we don't need to shift p0...p7 when - // converting to UInt8 range later. - v0 = ((v0 + v1 + 1) >> 1) + 4112; - v1 = v0 - v1; - t = (v2 * dctSin6 + v3 * dctCos6 + 2048) >> 12; - v2 = (v2 * dctCos6 - v3 * dctSin6 + 2048) >> 12; - v3 = t; - v4 = (v4 + v6 + 1) >> 1; - v6 = v4 - v6; - v7 = (v7 + v5 + 1) >> 1; - v5 = v7 - v5; - - // stage 2 - v0 = (v0 + v3 + 1) >> 1; - v3 = v0 - v3; - v1 = (v1 + v2 + 1) >> 1; - v2 = v1 - v2; - t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12; - v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12; - v7 = t; - t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12; - v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12; - v6 = t; - - // stage 1 - p0 = v0 + v7; - p7 = v0 - v7; - p1 = v1 + v6; - p6 = v1 - v6; - p2 = v2 + v5; - p5 = v2 - v5; - p3 = v3 + v4; - p4 = v3 - v4; - - // convert to 8-bit integers - p0 = (p0 < 16) ? 0 : (p0 >= 4080) ? 255 : p0 >> 4; - p1 = (p1 < 16) ? 0 : (p1 >= 4080) ? 255 : p1 >> 4; - p2 = (p2 < 16) ? 0 : (p2 >= 4080) ? 255 : p2 >> 4; - p3 = (p3 < 16) ? 0 : (p3 >= 4080) ? 255 : p3 >> 4; - p4 = (p4 < 16) ? 0 : (p4 >= 4080) ? 255 : p4 >> 4; - p5 = (p5 < 16) ? 0 : (p5 >= 4080) ? 255 : p5 >> 4; - p6 = (p6 < 16) ? 0 : (p6 >= 4080) ? 255 : p6 >> 4; - p7 = (p7 < 16) ? 0 : (p7 >= 4080) ? 255 : p7 >> 4; - - // store block data - blockData[blockBufferOffset + col] = p0; - blockData[blockBufferOffset + col + 8] = p1; - blockData[blockBufferOffset + col + 16] = p2; - blockData[blockBufferOffset + col + 24] = p3; - blockData[blockBufferOffset + col + 32] = p4; - blockData[blockBufferOffset + col + 40] = p5; - blockData[blockBufferOffset + col + 48] = p6; - blockData[blockBufferOffset + col + 56] = p7; - } - } - - function buildComponentData(frame, component) { - var blocksPerLine = component.blocksPerLine; - var blocksPerColumn = component.blocksPerColumn; - var computationBuffer = new Int16Array(64); - - for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) { - for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) { - var offset = getBlockBufferOffset(component, blockRow, blockCol); - quantizeAndInverse(component, offset, computationBuffer); - } - } - return component.blockData; - } - - function clamp0to255(a) { - return a <= 0 ? 0 : a >= 255 ? 255 : a; - } - - constructor.prototype = { - parse: function parse(data) { - - function readUint16() { - var value = (data[offset] << 8) | data[offset + 1]; - offset += 2; - return value; - } - - function readDataBlock() { - var length = readUint16(); - var array = data.subarray(offset, offset + length - 2); - offset += array.length; - return array; - } - - function prepareComponents(frame) { - var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH); - var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV); - for (var i = 0; i < frame.components.length; i++) { - component = frame.components[i]; - var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * - component.h / frame.maxH); - var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * - component.v / frame.maxV); - var blocksPerLineForMcu = mcusPerLine * component.h; - var blocksPerColumnForMcu = mcusPerColumn * component.v; - - var blocksBufferSize = 64 * blocksPerColumnForMcu * - (blocksPerLineForMcu + 1); - component.blockData = new Int16Array(blocksBufferSize); - component.blocksPerLine = blocksPerLine; - component.blocksPerColumn = blocksPerColumn; - } - frame.mcusPerLine = mcusPerLine; - frame.mcusPerColumn = mcusPerColumn; - } - - var offset = 0, length = data.length; - var jfif = null; - var adobe = null; - var pixels = null; - var frame, resetInterval; - var quantizationTables = []; - var huffmanTablesAC = [], huffmanTablesDC = []; - var fileMarker = readUint16(); - if (fileMarker !== 0xFFD8) { // SOI (Start of Image) - throw 'SOI not found'; - } - - fileMarker = readUint16(); - while (fileMarker !== 0xFFD9) { // EOI (End of image) - var i, j, l; - switch(fileMarker) { - case 0xFFE0: // APP0 (Application Specific) - case 0xFFE1: // APP1 - case 0xFFE2: // APP2 - case 0xFFE3: // APP3 - case 0xFFE4: // APP4 - case 0xFFE5: // APP5 - case 0xFFE6: // APP6 - case 0xFFE7: // APP7 - case 0xFFE8: // APP8 - case 0xFFE9: // APP9 - case 0xFFEA: // APP10 - case 0xFFEB: // APP11 - case 0xFFEC: // APP12 - case 0xFFED: // APP13 - case 0xFFEE: // APP14 - case 0xFFEF: // APP15 - case 0xFFFE: // COM (Comment) - var appData = readDataBlock(); - - if (fileMarker === 0xFFE0) { - if (appData[0] === 0x4A && appData[1] === 0x46 && - appData[2] === 0x49 && appData[3] === 0x46 && - appData[4] === 0) { // 'JFIF\x00' - jfif = { - version: { major: appData[5], minor: appData[6] }, - densityUnits: appData[7], - xDensity: (appData[8] << 8) | appData[9], - yDensity: (appData[10] << 8) | appData[11], - thumbWidth: appData[12], - thumbHeight: appData[13], - thumbData: appData.subarray(14, 14 + - 3 * appData[12] * appData[13]) - }; - } - } - // TODO APP1 - Exif - if (fileMarker === 0xFFEE) { - if (appData[0] === 0x41 && appData[1] === 0x64 && - appData[2] === 0x6F && appData[3] === 0x62 && - appData[4] === 0x65 && appData[5] === 0) { // 'Adobe\x00' - adobe = { - version: appData[6], - flags0: (appData[7] << 8) | appData[8], - flags1: (appData[9] << 8) | appData[10], - transformCode: appData[11] - }; - } - } - break; - - case 0xFFDB: // DQT (Define Quantization Tables) - var quantizationTablesLength = readUint16(); - var quantizationTablesEnd = quantizationTablesLength + offset - 2; - var z; - while (offset < quantizationTablesEnd) { - var quantizationTableSpec = data[offset++]; - var tableData = new Uint16Array(64); - if ((quantizationTableSpec >> 4) === 0) { // 8 bit values - for (j = 0; j < 64; j++) { - z = dctZigZag[j]; - tableData[z] = data[offset++]; - } - } else if ((quantizationTableSpec >> 4) === 1) { //16 bit - for (j = 0; j < 64; j++) { - z = dctZigZag[j]; - tableData[z] = readUint16(); - } - } else { - throw 'DQT: invalid table spec'; - } - quantizationTables[quantizationTableSpec & 15] = tableData; - } - break; - - case 0xFFC0: // SOF0 (Start of Frame, Baseline DCT) - case 0xFFC1: // SOF1 (Start of Frame, Extended DCT) - case 0xFFC2: // SOF2 (Start of Frame, Progressive DCT) - if (frame) { - throw 'Only single frame JPEGs supported'; - } - readUint16(); // skip data length - frame = {}; - frame.extended = (fileMarker === 0xFFC1); - frame.progressive = (fileMarker === 0xFFC2); - frame.precision = data[offset++]; - frame.scanLines = readUint16(); - frame.samplesPerLine = readUint16(); - frame.components = []; - frame.componentIds = {}; - var componentsCount = data[offset++], componentId; - var maxH = 0, maxV = 0; - for (i = 0; i < componentsCount; i++) { - componentId = data[offset]; - var h = data[offset + 1] >> 4; - var v = data[offset + 1] & 15; - if (maxH < h) { - maxH = h; - } - if (maxV < v) { - maxV = v; - } - var qId = data[offset + 2]; - l = frame.components.push({ - h: h, - v: v, - quantizationTable: quantizationTables[qId] - }); - frame.componentIds[componentId] = l - 1; - offset += 3; - } - frame.maxH = maxH; - frame.maxV = maxV; - prepareComponents(frame); - break; - - case 0xFFC4: // DHT (Define Huffman Tables) - var huffmanLength = readUint16(); - for (i = 2; i < huffmanLength;) { - var huffmanTableSpec = data[offset++]; - var codeLengths = new Uint8Array(16); - var codeLengthSum = 0; - for (j = 0; j < 16; j++, offset++) { - codeLengthSum += (codeLengths[j] = data[offset]); - } - var huffmanValues = new Uint8Array(codeLengthSum); - for (j = 0; j < codeLengthSum; j++, offset++) { - huffmanValues[j] = data[offset]; - } - i += 17 + codeLengthSum; - - ((huffmanTableSpec >> 4) === 0 ? - huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = - buildHuffmanTable(codeLengths, huffmanValues); - } - break; - - case 0xFFDD: // DRI (Define Restart Interval) - readUint16(); // skip data length - resetInterval = readUint16(); - break; - - case 0xFFDA: // SOS (Start of Scan) - var scanLength = readUint16(); - var selectorsCount = data[offset++]; - var components = [], component; - for (i = 0; i < selectorsCount; i++) { - var componentIndex = frame.componentIds[data[offset++]]; - component = frame.components[componentIndex]; - var tableSpec = data[offset++]; - component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4]; - component.huffmanTableAC = huffmanTablesAC[tableSpec & 15]; - components.push(component); - } - var spectralStart = data[offset++]; - var spectralEnd = data[offset++]; - var successiveApproximation = data[offset++]; - var processed = decodeScan(data, offset, - frame, components, resetInterval, - spectralStart, spectralEnd, - successiveApproximation >> 4, successiveApproximation & 15); - offset += processed; - break; - default: - if (data[offset - 3] === 0xFF && - data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) { - // could be incorrect encoding -- last 0xFF byte of the previous - // block was eaten by the encoder - offset -= 3; - break; - } - throw 'unknown JPEG marker ' + fileMarker.toString(16); - } - fileMarker = readUint16(); - } - - this.width = frame.samplesPerLine; - this.height = frame.scanLines; - this.jfif = jfif; - this.adobe = adobe; - this.components = []; - for (i = 0; i < frame.components.length; i++) { - component = frame.components[i]; - this.components.push({ - output: buildComponentData(frame, component), - scaleX: component.h / frame.maxH, - scaleY: component.v / frame.maxV, - blocksPerLine: component.blocksPerLine, - blocksPerColumn: component.blocksPerColumn - }); - } - this.numComponents = this.components.length; - }, - - _getLinearizedBlockData: function getLinearizedBlockData(width, height) { - var scaleX = this.width / width, scaleY = this.height / height; - - var component, componentScaleX, componentScaleY, blocksPerScanline; - var x, y, i, j, k; - var index; - var offset = 0; - var output; - var numComponents = this.components.length; - var dataLength = width * height * numComponents; - var data = new Uint8Array(dataLength); - var xScaleBlockOffset = new Uint32Array(width); - var mask3LSB = 0xfffffff8; // used to clear the 3 LSBs - - for (i = 0; i < numComponents; i++) { - component = this.components[i]; - componentScaleX = component.scaleX * scaleX; - componentScaleY = component.scaleY * scaleY; - offset = i; - output = component.output; - blocksPerScanline = (component.blocksPerLine + 1) << 3; - // precalculate the xScaleBlockOffset - for (x = 0; x < width; x++) { - j = 0 | (x * componentScaleX); - xScaleBlockOffset[x] = ((j & mask3LSB) << 3) | (j & 7); - } - // linearize the blocks of the component - for (y = 0; y < height; y++) { - j = 0 | (y * componentScaleY); - index = blocksPerScanline * (j & mask3LSB) | ((j & 7) << 3); - for (x = 0; x < width; x++) { - data[offset] = output[index + xScaleBlockOffset[x]]; - offset += numComponents; - } - } - } - - // decodeTransform will contains pairs of multiplier (-256..256) and - // additive - var transform = this.decodeTransform; - if (transform) { - for (i = 0; i < dataLength;) { - for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) { - data[i] = ((data[i] * transform[k]) >> 8) + transform[k + 1]; - } - } - } - return data; - }, - - _isColorConversionNeeded: function isColorConversionNeeded() { - if (this.adobe && this.adobe.transformCode) { - // The adobe transform marker overrides any previous setting - return true; - } else if (this.numComponents === 3) { - return true; - } else { - return false; - } - }, - - _convertYccToRgb: function convertYccToRgb(data) { - var Y, Cb, Cr; - for (var i = 0, length = data.length; i < length; i += 3) { - Y = data[i ]; - Cb = data[i + 1]; - Cr = data[i + 2]; - data[i ] = clamp0to255(Y - 179.456 + 1.402 * Cr); - data[i + 1] = clamp0to255(Y + 135.459 - 0.344 * Cb - 0.714 * Cr); - data[i + 2] = clamp0to255(Y - 226.816 + 1.772 * Cb); - } - return data; - }, - - _convertYcckToRgb: function convertYcckToRgb(data) { - var Y, Cb, Cr, k, CbCb, CbCr, CbY, Cbk, CrCr, Crk, CrY, YY, Yk, kk; - var offset = 0; - for (var i = 0, length = data.length; i < length; i += 4) { - Y = data[i]; - Cb = data[i + 1]; - Cr = data[i + 2]; - k = data[i + 3]; - - CbCb = Cb * Cb; - CbCr = Cb * Cr; - CbY = Cb * Y; - Cbk = Cb * k; - CrCr = Cr * Cr; - Crk = Cr * k; - CrY = Cr * Y; - YY = Y * Y; - Yk = Y * k; - kk = k * k; - - var r = - 122.67195406894 - - 6.60635669420364e-5 * CbCb + 0.000437130475926232 * CbCr - - 5.4080610064599e-5* CbY + 0.00048449797120281* Cbk - - 0.154362151871126 * Cb - 0.000957964378445773 * CrCr + - 0.000817076911346625 * CrY - 0.00477271405408747 * Crk + - 1.53380253221734 * Cr + 0.000961250184130688 * YY - - 0.00266257332283933 * Yk + 0.48357088451265 * Y - - 0.000336197177618394 * kk + 0.484791561490776 * k; - - var g = 107.268039397724 + - 2.19927104525741e-5 * CbCb - 0.000640992018297945 * CbCr + - 0.000659397001245577* CbY + 0.000426105652938837* Cbk - - 0.176491792462875 * Cb - 0.000778269941513683 * CrCr + - 0.00130872261408275 * CrY + 0.000770482631801132 * Crk - - 0.151051492775562 * Cr + 0.00126935368114843 * YY - - 0.00265090189010898 * Yk + 0.25802910206845 * Y - - 0.000318913117588328 * kk - 0.213742400323665 * k; - - var b = - 20.810012546947 - - 0.000570115196973677 * CbCb - 2.63409051004589e-5 * CbCr + - 0.0020741088115012* CbY - 0.00288260236853442* Cbk + - 0.814272968359295 * Cb - 1.53496057440975e-5 * CrCr - - 0.000132689043961446 * CrY + 0.000560833691242812 * Crk - - 0.195152027534049 * Cr + 0.00174418132927582 * YY - - 0.00255243321439347 * Yk + 0.116935020465145 * Y - - 0.000343531996510555 * kk + 0.24165260232407 * k; - - data[offset++] = clamp0to255(r); - data[offset++] = clamp0to255(g); - data[offset++] = clamp0to255(b); - } - return data; - }, - - _convertYcckToCmyk: function convertYcckToCmyk(data) { - var Y, Cb, Cr; - for (var i = 0, length = data.length; i < length; i += 4) { - Y = data[i]; - Cb = data[i + 1]; - Cr = data[i + 2]; - data[i ] = clamp0to255(434.456 - Y - 1.402 * Cr); - data[i + 1] = clamp0to255(119.541 - Y + 0.344 * Cb + 0.714 * Cr); - data[i + 2] = clamp0to255(481.816 - Y - 1.772 * Cb); - // K in data[i + 3] is unchanged - } - return data; - }, - - _convertCmykToRgb: function convertCmykToRgb(data) { - var c, m, y, k; - var offset = 0; - var min = -255 * 255 * 255; - var scale = 1 / 255 / 255; - for (var i = 0, length = data.length; i < length; i += 4) { - c = data[i]; - m = data[i + 1]; - y = data[i + 2]; - k = data[i + 3]; - - var r = - c * (-4.387332384609988 * c + 54.48615194189176 * m + - 18.82290502165302 * y + 212.25662451639585 * k - - 72734.4411664936) + - m * (1.7149763477362134 * m - 5.6096736904047315 * y - - 17.873870861415444 * k - 1401.7366389350734) + - y * (-2.5217340131683033 * y - 21.248923337353073 * k + - 4465.541406466231) - - k * (21.86122147463605 * k + 48317.86113160301); - var g = - c * (8.841041422036149 * c + 60.118027045597366 * m + - 6.871425592049007 * y + 31.159100130055922 * k - - 20220.756542821975) + - m * (-15.310361306967817 * m + 17.575251261109482 * y + - 131.35250912493976 * k - 48691.05921601825) + - y * (4.444339102852739 * y + 9.8632861493405 * k - - 6341.191035517494) - - k * (20.737325471181034 * k + 47890.15695978492); - var b = - c * (0.8842522430003296 * c + 8.078677503112928 * m + - 30.89978309703729 * y - 0.23883238689178934 * k - - 3616.812083916688) + - m * (10.49593273432072 * m + 63.02378494754052 * y + - 50.606957656360734 * k - 28620.90484698408) + - y * (0.03296041114873217 * y + 115.60384449646641 * k - - 49363.43385999684) - - k * (22.33816807309886 * k + 45932.16563550634); - - data[offset++] = r >= 0 ? 255 : r <= min ? 0 : 255 + r * scale | 0; - data[offset++] = g >= 0 ? 255 : g <= min ? 0 : 255 + g * scale | 0; - data[offset++] = b >= 0 ? 255 : b <= min ? 0 : 255 + b * scale | 0; - } - return data; - }, - - getData: function getData(width, height, forceRGBoutput) { - if (this.numComponents > 4) { - throw 'Unsupported color mode'; - } - // type of data: Uint8Array(width * height * numComponents) - var data = this._getLinearizedBlockData(width, height); - - if (this.numComponents === 3) { - return this._convertYccToRgb(data); - } else if (this.numComponents === 4) { - if (this._isColorConversionNeeded()) { - if (forceRGBoutput) { - return this._convertYcckToRgb(data); - } else { - return this._convertYcckToCmyk(data); - } - } else if (forceRGBoutput) { - return this._convertCmykToRgb(data); - } - } - return data; - } - }; - - return constructor; -})(); - - -var JpxImage = (function JpxImageClosure() { - // Table E.1 - var SubbandsGainLog2 = { - 'LL': 0, - 'LH': 1, - 'HL': 1, - 'HH': 2 - }; - function JpxImage() { - this.failOnCorruptedImage = false; - } - JpxImage.prototype = { - parse: function JpxImage_parse(data) { - - var head = readUint16(data, 0); - // No box header, immediate start of codestream (SOC) - if (head === 0xFF4F) { - this.parseCodestream(data, 0, data.length); - return; - } - - var position = 0, length = data.length; - while (position < length) { - var headerSize = 8; - var lbox = readUint32(data, position); - var tbox = readUint32(data, position + 4); - position += headerSize; - if (lbox === 1) { - // XLBox: read UInt64 according to spec. - // JavaScript's int precision of 53 bit should be sufficient here. - lbox = readUint32(data, position) * 4294967296 + - readUint32(data, position + 4); - position += 8; - headerSize += 8; - } - if (lbox === 0) { - lbox = length - position + headerSize; - } - if (lbox < headerSize) { - throw new Error('JPX Error: Invalid box field size'); - } - var dataLength = lbox - headerSize; - var jumpDataLength = true; - switch (tbox) { - case 0x6A501A1A: // 'jP\032\032' - // TODO - break; - case 0x6A703268: // 'jp2h' - jumpDataLength = false; // parsing child boxes - break; - case 0x636F6C72: // 'colr' - // TODO - break; - case 0x6A703263: // 'jp2c' - this.parseCodestream(data, position, position + dataLength); - break; - } - if (jumpDataLength) { - position += dataLength; - } - } - }, - parseImageProperties: function JpxImage_parseImageProperties(stream) { - var newByte = stream.getByte(); - while (newByte >= 0) { - var oldByte = newByte; - newByte = stream.getByte(); - var code = (oldByte << 8) | newByte; - // Image and tile size (SIZ) - if (code === 0xFF51) { - stream.skip(4); - var Xsiz = stream.getInt32() >>> 0; // Byte 4 - var Ysiz = stream.getInt32() >>> 0; // Byte 8 - var XOsiz = stream.getInt32() >>> 0; // Byte 12 - var YOsiz = stream.getInt32() >>> 0; // Byte 16 - stream.skip(16); - var Csiz = stream.getUint16(); // Byte 36 - this.width = Xsiz - XOsiz; - this.height = Ysiz - YOsiz; - this.componentsCount = Csiz; - // Results are always returned as Uint8Arrays - this.bitsPerComponent = 8; - return; - } - } - throw new Error('JPX Error: No size marker found in JPX stream'); - }, - parseCodestream: function JpxImage_parseCodestream(data, start, end) { - var context = {}; - try { - var doNotRecover = false; - var position = start; - while (position + 1 < end) { - var code = readUint16(data, position); - position += 2; - - var length = 0, j, sqcd, spqcds, spqcdSize, scalarExpounded, tile; - switch (code) { - case 0xFF4F: // Start of codestream (SOC) - context.mainHeader = true; - break; - case 0xFFD9: // End of codestream (EOC) - break; - case 0xFF51: // Image and tile size (SIZ) - length = readUint16(data, position); - var siz = {}; - siz.Xsiz = readUint32(data, position + 4); - siz.Ysiz = readUint32(data, position + 8); - siz.XOsiz = readUint32(data, position + 12); - siz.YOsiz = readUint32(data, position + 16); - siz.XTsiz = readUint32(data, position + 20); - siz.YTsiz = readUint32(data, position + 24); - siz.XTOsiz = readUint32(data, position + 28); - siz.YTOsiz = readUint32(data, position + 32); - var componentsCount = readUint16(data, position + 36); - siz.Csiz = componentsCount; - var components = []; - j = position + 38; - for (var i = 0; i < componentsCount; i++) { - var component = { - precision: (data[j] & 0x7F) + 1, - isSigned: !!(data[j] & 0x80), - XRsiz: data[j + 1], - YRsiz: data[j + 1] - }; - calculateComponentDimensions(component, siz); - components.push(component); - } - context.SIZ = siz; - context.components = components; - calculateTileGrids(context, components); - context.QCC = []; - context.COC = []; - break; - case 0xFF55: // Tile-part lengths, main header (TLM) - var Ltlm = readUint16(data, position); // Marker segment length - // Skip tile length markers - position += Ltlm; - break; - case 0xFF5C: // Quantization default (QCD) - length = readUint16(data, position); - var qcd = {}; - j = position + 2; - sqcd = data[j++]; - switch (sqcd & 0x1F) { - case 0: - spqcdSize = 8; - scalarExpounded = true; - break; - case 1: - spqcdSize = 16; - scalarExpounded = false; - break; - case 2: - spqcdSize = 16; - scalarExpounded = true; - break; - default: - throw new Error('JPX Error: Invalid SQcd value ' + sqcd); - } - qcd.noQuantization = (spqcdSize === 8); - qcd.scalarExpounded = scalarExpounded; - qcd.guardBits = sqcd >> 5; - spqcds = []; - while (j < length + position) { - var spqcd = {}; - if (spqcdSize === 8) { - spqcd.epsilon = data[j++] >> 3; - spqcd.mu = 0; - } else { - spqcd.epsilon = data[j] >> 3; - spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1]; - j += 2; - } - spqcds.push(spqcd); - } - qcd.SPqcds = spqcds; - if (context.mainHeader) { - context.QCD = qcd; - } else { - context.currentTile.QCD = qcd; - context.currentTile.QCC = []; - } - break; - case 0xFF5D: // Quantization component (QCC) - length = readUint16(data, position); - var qcc = {}; - j = position + 2; - var cqcc; - if (context.SIZ.Csiz < 257) { - cqcc = data[j++]; - } else { - cqcc = readUint16(data, j); - j += 2; - } - sqcd = data[j++]; - switch (sqcd & 0x1F) { - case 0: - spqcdSize = 8; - scalarExpounded = true; - break; - case 1: - spqcdSize = 16; - scalarExpounded = false; - break; - case 2: - spqcdSize = 16; - scalarExpounded = true; - break; - default: - throw new Error('JPX Error: Invalid SQcd value ' + sqcd); - } - qcc.noQuantization = (spqcdSize === 8); - qcc.scalarExpounded = scalarExpounded; - qcc.guardBits = sqcd >> 5; - spqcds = []; - while (j < (length + position)) { - spqcd = {}; - if (spqcdSize === 8) { - spqcd.epsilon = data[j++] >> 3; - spqcd.mu = 0; - } else { - spqcd.epsilon = data[j] >> 3; - spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1]; - j += 2; - } - spqcds.push(spqcd); - } - qcc.SPqcds = spqcds; - if (context.mainHeader) { - context.QCC[cqcc] = qcc; - } else { - context.currentTile.QCC[cqcc] = qcc; - } - break; - case 0xFF52: // Coding style default (COD) - length = readUint16(data, position); - var cod = {}; - j = position + 2; - var scod = data[j++]; - cod.entropyCoderWithCustomPrecincts = !!(scod & 1); - cod.sopMarkerUsed = !!(scod & 2); - cod.ephMarkerUsed = !!(scod & 4); - cod.progressionOrder = data[j++]; - cod.layersCount = readUint16(data, j); - j += 2; - cod.multipleComponentTransform = data[j++]; - - cod.decompositionLevelsCount = data[j++]; - cod.xcb = (data[j++] & 0xF) + 2; - cod.ycb = (data[j++] & 0xF) + 2; - var blockStyle = data[j++]; - cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1); - cod.resetContextProbabilities = !!(blockStyle & 2); - cod.terminationOnEachCodingPass = !!(blockStyle & 4); - cod.verticalyStripe = !!(blockStyle & 8); - cod.predictableTermination = !!(blockStyle & 16); - cod.segmentationSymbolUsed = !!(blockStyle & 32); - cod.reversibleTransformation = data[j++]; - if (cod.entropyCoderWithCustomPrecincts) { - var precinctsSizes = []; - while (j < length + position) { - var precinctsSize = data[j++]; - precinctsSizes.push({ - PPx: precinctsSize & 0xF, - PPy: precinctsSize >> 4 - }); - } - cod.precinctsSizes = precinctsSizes; - } - var unsupported = []; - if (cod.sopMarkerUsed) { - unsupported.push('sopMarkerUsed'); - } - if (cod.ephMarkerUsed) { - unsupported.push('ephMarkerUsed'); - } - if (cod.selectiveArithmeticCodingBypass) { - unsupported.push('selectiveArithmeticCodingBypass'); - } - if (cod.resetContextProbabilities) { - unsupported.push('resetContextProbabilities'); - } - if (cod.terminationOnEachCodingPass) { - unsupported.push('terminationOnEachCodingPass'); - } - if (cod.verticalyStripe) { - unsupported.push('verticalyStripe'); - } - if (cod.predictableTermination) { - unsupported.push('predictableTermination'); - } - if (unsupported.length > 0) { - doNotRecover = true; - throw new Error('JPX Error: Unsupported COD options (' + - unsupported.join(', ') + ')'); - } - if (context.mainHeader) { - context.COD = cod; - } else { - context.currentTile.COD = cod; - context.currentTile.COC = []; - } - break; - case 0xFF90: // Start of tile-part (SOT) - length = readUint16(data, position); - tile = {}; - tile.index = readUint16(data, position + 2); - tile.length = readUint32(data, position + 4); - tile.dataEnd = tile.length + position - 2; - tile.partIndex = data[position + 8]; - tile.partsCount = data[position + 9]; - - context.mainHeader = false; - if (tile.partIndex === 0) { - // reset component specific settings - tile.COD = context.COD; - tile.COC = context.COC.slice(0); // clone of the global COC - tile.QCD = context.QCD; - tile.QCC = context.QCC.slice(0); // clone of the global COC - } - context.currentTile = tile; - break; - case 0xFF93: // Start of data (SOD) - tile = context.currentTile; - if (tile.partIndex === 0) { - initializeTile(context, tile.index); - buildPackets(context); - } - - // moving to the end of the data - length = tile.dataEnd - position; - parseTilePackets(context, data, position, length); - break; - case 0xFF64: // Comment (COM) - length = readUint16(data, position); - // skipping content - break; - case 0xFF53: // Coding style component (COC) - throw new Error('JPX Error: Codestream code 0xFF53 (COC) is ' + - 'not implemented'); - default: - throw new Error('JPX Error: Unknown codestream code: ' + - code.toString(16)); - } - position += length; - } - } catch (e) { - if (doNotRecover || this.failOnCorruptedImage) { - throw e; - } else { - warn('Trying to recover from ' + e.message); - } - } - this.tiles = transformComponents(context); - this.width = context.SIZ.Xsiz - context.SIZ.XOsiz; - this.height = context.SIZ.Ysiz - context.SIZ.YOsiz; - this.componentsCount = context.SIZ.Csiz; - } - }; - function calculateComponentDimensions(component, siz) { - // Section B.2 Component mapping - component.x0 = Math.ceil(siz.XOsiz / component.XRsiz); - component.x1 = Math.ceil(siz.Xsiz / component.XRsiz); - component.y0 = Math.ceil(siz.YOsiz / component.YRsiz); - component.y1 = Math.ceil(siz.Ysiz / component.YRsiz); - component.width = component.x1 - component.x0; - component.height = component.y1 - component.y0; - } - function calculateTileGrids(context, components) { - var siz = context.SIZ; - // Section B.3 Division into tile and tile-components - var tile, tiles = []; - var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz); - var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz); - for (var q = 0; q < numYtiles; q++) { - for (var p = 0; p < numXtiles; p++) { - tile = {}; - tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz); - tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz); - tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz); - tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz); - tile.width = tile.tx1 - tile.tx0; - tile.height = tile.ty1 - tile.ty0; - tile.components = []; - tiles.push(tile); - } - } - context.tiles = tiles; - - var componentsCount = siz.Csiz; - for (var i = 0, ii = componentsCount; i < ii; i++) { - var component = components[i]; - for (var j = 0, jj = tiles.length; j < jj; j++) { - var tileComponent = {}; - tile = tiles[j]; - tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz); - tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz); - tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz); - tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz); - tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0; - tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0; - tile.components[i] = tileComponent; - } - } - } - function getBlocksDimensions(context, component, r) { - var codOrCoc = component.codingStyleParameters; - var result = {}; - if (!codOrCoc.entropyCoderWithCustomPrecincts) { - result.PPx = 15; - result.PPy = 15; - } else { - result.PPx = codOrCoc.precinctsSizes[r].PPx; - result.PPy = codOrCoc.precinctsSizes[r].PPy; - } - // calculate codeblock size as described in section B.7 - result.xcb_ = (r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : - Math.min(codOrCoc.xcb, result.PPx)); - result.ycb_ = (r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : - Math.min(codOrCoc.ycb, result.PPy)); - return result; - } - function buildPrecincts(context, resolution, dimensions) { - // Section B.6 Division resolution to precincts - var precinctWidth = 1 << dimensions.PPx; - var precinctHeight = 1 << dimensions.PPy; - var numprecinctswide = (resolution.trx1 > resolution.trx0 ? - Math.ceil(resolution.trx1 / precinctWidth) - - Math.floor(resolution.trx0 / precinctWidth) : 0); - var numprecinctshigh = (resolution.try1 > resolution.try0 ? - Math.ceil(resolution.try1 / precinctHeight) - - Math.floor(resolution.try0 / precinctHeight) : 0); - var numprecincts = numprecinctswide * numprecinctshigh; - var precinctXOffset = Math.floor(resolution.trx0 / precinctWidth) * - precinctWidth; - var precinctYOffset = Math.floor(resolution.try0 / precinctHeight) * - precinctHeight; - resolution.precinctParameters = { - precinctXOffset: precinctXOffset, - precinctYOffset: precinctYOffset, - precinctWidth: precinctWidth, - precinctHeight: precinctHeight, - numprecinctswide: numprecinctswide, - numprecinctshigh: numprecinctshigh, - numprecincts: numprecincts - }; - } - function buildCodeblocks(context, subband, dimensions) { - // Section B.7 Division sub-band into code-blocks - var xcb_ = dimensions.xcb_; - var ycb_ = dimensions.ycb_; - var codeblockWidth = 1 << xcb_; - var codeblockHeight = 1 << ycb_; - var cbx0 = subband.tbx0 >> xcb_; - var cby0 = subband.tby0 >> ycb_; - var cbx1 = (subband.tbx1 + codeblockWidth - 1) >> xcb_; - var cby1 = (subband.tby1 + codeblockHeight - 1) >> ycb_; - var precinctParameters = subband.resolution.precinctParameters; - var codeblocks = []; - var precincts = []; - var i, j, codeblock, precinctNumber; - for (j = cby0; j < cby1; j++) { - for (i = cbx0; i < cbx1; i++) { - codeblock = { - cbx: i, - cby: j, - tbx0: codeblockWidth * i, - tby0: codeblockHeight * j, - tbx1: codeblockWidth * (i + 1), - tby1: codeblockHeight * (j + 1) - }; - // calculate precinct number - var pi = Math.floor((codeblock.tbx0 - - precinctParameters.precinctXOffset) / - precinctParameters.precinctWidth); - var pj = Math.floor((codeblock.tby0 - - precinctParameters.precinctYOffset) / - precinctParameters.precinctHeight); - precinctNumber = pj + pi * precinctParameters.numprecinctswide; - codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0); - codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0); - codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1); - codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1); - codeblock.precinctNumber = precinctNumber; - codeblock.subbandType = subband.type; - codeblock.Lblock = 3; - codeblocks.push(codeblock); - // building precinct for the sub-band - var precinct = precincts[precinctNumber]; - if (precinct !== undefined) { - if (i < precinct.cbxMin) { - precinct.cbxMin = i; - } else if (i > precinct.cbxMax) { - precinct.cbxMax = i; - } - if (j < precinct.cbyMin) { - precinct.cbxMin = j; - } else if (j > precinct.cbyMax) { - precinct.cbyMax = j; - } - } else { - precincts[precinctNumber] = precinct = { - cbxMin: i, - cbyMin: j, - cbxMax: i, - cbyMax: j - }; - } - codeblock.precinct = precinct; - } - } - subband.codeblockParameters = { - codeblockWidth: xcb_, - codeblockHeight: ycb_, - numcodeblockwide: cbx1 - cbx0 + 1, - numcodeblockhigh: cby1 - cby0 + 1 - }; - subband.codeblocks = codeblocks; - subband.precincts = precincts; - } - function createPacket(resolution, precinctNumber, layerNumber) { - var precinctCodeblocks = []; - // Section B.10.8 Order of info in packet - var subbands = resolution.subbands; - // sub-bands already ordered in 'LL', 'HL', 'LH', and 'HH' sequence - for (var i = 0, ii = subbands.length; i < ii; i++) { - var subband = subbands[i]; - var codeblocks = subband.codeblocks; - for (var j = 0, jj = codeblocks.length; j < jj; j++) { - var codeblock = codeblocks[j]; - if (codeblock.precinctNumber !== precinctNumber) { - continue; - } - precinctCodeblocks.push(codeblock); - } - } - return { - layerNumber: layerNumber, - codeblocks: precinctCodeblocks - }; - } - function LayerResolutionComponentPositionIterator(context) { - var siz = context.SIZ; - var tileIndex = context.currentTile.index; - var tile = context.tiles[tileIndex]; - var layersCount = tile.codingStyleDefaultParameters.layersCount; - var componentsCount = siz.Csiz; - var maxDecompositionLevelsCount = 0; - for (var q = 0; q < componentsCount; q++) { - maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, - tile.components[q].codingStyleParameters.decompositionLevelsCount); - } - - var l = 0, r = 0, i = 0, k = 0; - - this.nextPacket = function JpxImage_nextPacket() { - // Section B.12.1.1 Layer-resolution-component-position - for (; l < layersCount; l++) { - for (; r <= maxDecompositionLevelsCount; r++) { - for (; i < componentsCount; i++) { - var component = tile.components[i]; - if (r > component.codingStyleParameters.decompositionLevelsCount) { - continue; - } - - var resolution = component.resolutions[r]; - var numprecincts = resolution.precinctParameters.numprecincts; - for (; k < numprecincts;) { - var packet = createPacket(resolution, k, l); - k++; - return packet; - } - k = 0; - } - i = 0; - } - r = 0; - } - throw new Error('JPX Error: Out of packets'); - }; - } - function ResolutionLayerComponentPositionIterator(context) { - var siz = context.SIZ; - var tileIndex = context.currentTile.index; - var tile = context.tiles[tileIndex]; - var layersCount = tile.codingStyleDefaultParameters.layersCount; - var componentsCount = siz.Csiz; - var maxDecompositionLevelsCount = 0; - for (var q = 0; q < componentsCount; q++) { - maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, - tile.components[q].codingStyleParameters.decompositionLevelsCount); - } - - var r = 0, l = 0, i = 0, k = 0; - - this.nextPacket = function JpxImage_nextPacket() { - // Section B.12.1.2 Resolution-layer-component-position - for (; r <= maxDecompositionLevelsCount; r++) { - for (; l < layersCount; l++) { - for (; i < componentsCount; i++) { - var component = tile.components[i]; - if (r > component.codingStyleParameters.decompositionLevelsCount) { - continue; - } - - var resolution = component.resolutions[r]; - var numprecincts = resolution.precinctParameters.numprecincts; - for (; k < numprecincts;) { - var packet = createPacket(resolution, k, l); - k++; - return packet; - } - k = 0; - } - i = 0; - } - l = 0; - } - throw new Error('JPX Error: Out of packets'); - }; - } - function buildPackets(context) { - var siz = context.SIZ; - var tileIndex = context.currentTile.index; - var tile = context.tiles[tileIndex]; - var componentsCount = siz.Csiz; - // Creating resolutions and sub-bands for each component - for (var c = 0; c < componentsCount; c++) { - var component = tile.components[c]; - var decompositionLevelsCount = - component.codingStyleParameters.decompositionLevelsCount; - // Section B.5 Resolution levels and sub-bands - var resolutions = []; - var subbands = []; - for (var r = 0; r <= decompositionLevelsCount; r++) { - var blocksDimensions = getBlocksDimensions(context, component, r); - var resolution = {}; - var scale = 1 << (decompositionLevelsCount - r); - resolution.trx0 = Math.ceil(component.tcx0 / scale); - resolution.try0 = Math.ceil(component.tcy0 / scale); - resolution.trx1 = Math.ceil(component.tcx1 / scale); - resolution.try1 = Math.ceil(component.tcy1 / scale); - buildPrecincts(context, resolution, blocksDimensions); - resolutions.push(resolution); - - var subband; - if (r === 0) { - // one sub-band (LL) with last decomposition - subband = {}; - subband.type = 'LL'; - subband.tbx0 = Math.ceil(component.tcx0 / scale); - subband.tby0 = Math.ceil(component.tcy0 / scale); - subband.tbx1 = Math.ceil(component.tcx1 / scale); - subband.tby1 = Math.ceil(component.tcy1 / scale); - subband.resolution = resolution; - buildCodeblocks(context, subband, blocksDimensions); - subbands.push(subband); - resolution.subbands = [subband]; - } else { - var bscale = 1 << (decompositionLevelsCount - r + 1); - var resolutionSubbands = []; - // three sub-bands (HL, LH and HH) with rest of decompositions - subband = {}; - subband.type = 'HL'; - subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5); - subband.tby0 = Math.ceil(component.tcy0 / bscale); - subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5); - subband.tby1 = Math.ceil(component.tcy1 / bscale); - subband.resolution = resolution; - buildCodeblocks(context, subband, blocksDimensions); - subbands.push(subband); - resolutionSubbands.push(subband); - - subband = {}; - subband.type = 'LH'; - subband.tbx0 = Math.ceil(component.tcx0 / bscale); - subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5); - subband.tbx1 = Math.ceil(component.tcx1 / bscale); - subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5); - subband.resolution = resolution; - buildCodeblocks(context, subband, blocksDimensions); - subbands.push(subband); - resolutionSubbands.push(subband); - - subband = {}; - subband.type = 'HH'; - subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5); - subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5); - subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5); - subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5); - subband.resolution = resolution; - buildCodeblocks(context, subband, blocksDimensions); - subbands.push(subband); - resolutionSubbands.push(subband); - - resolution.subbands = resolutionSubbands; - } - } - component.resolutions = resolutions; - component.subbands = subbands; - } - // Generate the packets sequence - var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder; - switch (progressionOrder) { - case 0: - tile.packetsIterator = - new LayerResolutionComponentPositionIterator(context); - break; - case 1: - tile.packetsIterator = - new ResolutionLayerComponentPositionIterator(context); - break; - default: - throw new Error('JPX Error: Unsupported progression order ' + - progressionOrder); - } - } - function parseTilePackets(context, data, offset, dataLength) { - var position = 0; - var buffer, bufferSize = 0, skipNextBit = false; - function readBits(count) { - while (bufferSize < count) { - var b = data[offset + position]; - position++; - if (skipNextBit) { - buffer = (buffer << 7) | b; - bufferSize += 7; - skipNextBit = false; - } else { - buffer = (buffer << 8) | b; - bufferSize += 8; - } - if (b === 0xFF) { - skipNextBit = true; - } - } - bufferSize -= count; - return (buffer >>> bufferSize) & ((1 << count) - 1); - } - function alignToByte() { - bufferSize = 0; - if (skipNextBit) { - position++; - skipNextBit = false; - } - } - function readCodingpasses() { - if (readBits(1) === 0) { - return 1; - } - if (readBits(1) === 0) { - return 2; - } - var value = readBits(2); - if (value < 3) { - return value + 3; - } - value = readBits(5); - if (value < 31) { - return value + 6; - } - value = readBits(7); - return value + 37; - } - var tileIndex = context.currentTile.index; - var tile = context.tiles[tileIndex]; - var packetsIterator = tile.packetsIterator; - while (position < dataLength) { - var packet = packetsIterator.nextPacket(); - if (!readBits(1)) { - alignToByte(); - continue; - } - var layerNumber = packet.layerNumber; - var queue = [], codeblock; - for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) { - codeblock = packet.codeblocks[i]; - var precinct = codeblock.precinct; - var codeblockColumn = codeblock.cbx - precinct.cbxMin; - var codeblockRow = codeblock.cby - precinct.cbyMin; - var codeblockIncluded = false; - var firstTimeInclusion = false; - var valueReady; - if ('included' in codeblock) { - codeblockIncluded = !!readBits(1); - } else { - // reading inclusion tree - precinct = codeblock.precinct; - var inclusionTree, zeroBitPlanesTree; - if ('inclusionTree' in precinct) { - inclusionTree = precinct.inclusionTree; - } else { - // building inclusion and zero bit-planes trees - var width = precinct.cbxMax - precinct.cbxMin + 1; - var height = precinct.cbyMax - precinct.cbyMin + 1; - inclusionTree = new InclusionTree(width, height, layerNumber); - zeroBitPlanesTree = new TagTree(width, height); - precinct.inclusionTree = inclusionTree; - precinct.zeroBitPlanesTree = zeroBitPlanesTree; - } - - if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) { - while (true) { - if (readBits(1)) { - valueReady = !inclusionTree.nextLevel(); - if (valueReady) { - codeblock.included = true; - codeblockIncluded = firstTimeInclusion = true; - break; - } - } else { - inclusionTree.incrementValue(layerNumber); - break; - } - } - } - } - if (!codeblockIncluded) { - continue; - } - if (firstTimeInclusion) { - zeroBitPlanesTree = precinct.zeroBitPlanesTree; - zeroBitPlanesTree.reset(codeblockColumn, codeblockRow); - while (true) { - if (readBits(1)) { - valueReady = !zeroBitPlanesTree.nextLevel(); - if (valueReady) { - break; - } - } else { - zeroBitPlanesTree.incrementValue(); - } - } - codeblock.zeroBitPlanes = zeroBitPlanesTree.value; - } - var codingpasses = readCodingpasses(); - while (readBits(1)) { - codeblock.Lblock++; - } - var codingpassesLog2 = log2(codingpasses); - // rounding down log2 - var bits = ((codingpasses < (1 << codingpassesLog2)) ? - codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock; - var codedDataLength = readBits(bits); - queue.push({ - codeblock: codeblock, - codingpasses: codingpasses, - dataLength: codedDataLength - }); - } - alignToByte(); - while (queue.length > 0) { - var packetItem = queue.shift(); - codeblock = packetItem.codeblock; - if (!('data' in codeblock)) { - codeblock.data = []; - } - codeblock.data.push({ - data: data, - start: offset + position, - end: offset + position + packetItem.dataLength, - codingpasses: packetItem.codingpasses - }); - position += packetItem.dataLength; - } - } - return position; - } - function copyCoefficients(coefficients, levelWidth, levelHeight, subband, - delta, mb, reversible, segmentationSymbolUsed) { - var x0 = subband.tbx0; - var y0 = subband.tby0; - var width = subband.tbx1 - subband.tbx0; - var codeblocks = subband.codeblocks; - var right = subband.type.charAt(0) === 'H' ? 1 : 0; - var bottom = subband.type.charAt(1) === 'H' ? levelWidth : 0; - - for (var i = 0, ii = codeblocks.length; i < ii; ++i) { - var codeblock = codeblocks[i]; - var blockWidth = codeblock.tbx1_ - codeblock.tbx0_; - var blockHeight = codeblock.tby1_ - codeblock.tby0_; - if (blockWidth === 0 || blockHeight === 0) { - continue; - } - if (!('data' in codeblock)) { - continue; - } - - var bitModel, currentCodingpassType; - bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, - codeblock.zeroBitPlanes, mb); - currentCodingpassType = 2; // first bit plane starts from cleanup - - // collect data - var data = codeblock.data, totalLength = 0, codingpasses = 0; - var j, jj, dataItem; - for (j = 0, jj = data.length; j < jj; j++) { - dataItem = data[j]; - totalLength += dataItem.end - dataItem.start; - codingpasses += dataItem.codingpasses; - } - var encodedData = new Uint8Array(totalLength); - var position = 0; - for (j = 0, jj = data.length; j < jj; j++) { - dataItem = data[j]; - var chunk = dataItem.data.subarray(dataItem.start, dataItem.end); - encodedData.set(chunk, position); - position += chunk.length; - } - // decoding the item - var decoder = new ArithmeticDecoder(encodedData, 0, totalLength); - bitModel.setDecoder(decoder); - - for (j = 0; j < codingpasses; j++) { - switch (currentCodingpassType) { - case 0: - bitModel.runSignificancePropogationPass(); - break; - case 1: - bitModel.runMagnitudeRefinementPass(); - break; - case 2: - bitModel.runCleanupPass(); - if (segmentationSymbolUsed) { - bitModel.checkSegmentationSymbol(); - } - break; - } - currentCodingpassType = (currentCodingpassType + 1) % 3; - } - - var offset = (codeblock.tbx0_ - x0) + (codeblock.tby0_ - y0) * width; - var sign = bitModel.coefficentsSign; - var magnitude = bitModel.coefficentsMagnitude; - var bitsDecoded = bitModel.bitsDecoded; - var magnitudeCorrection = reversible ? 0 : 0.5; - var k, n, nb; - position = 0; - // Do the interleaving of Section F.3.3 here, so we do not need - // to copy later. LL level is not interleaved, just copied. - var interleave = (subband.type !== 'LL'); - for (j = 0; j < blockHeight; j++) { - var row = (offset / width) | 0; // row in the non-interleaved subband - var levelOffset = 2 * row * (levelWidth - width) + right + bottom; - for (k = 0; k < blockWidth; k++) { - n = magnitude[position]; - if (n !== 0) { - n = (n + magnitudeCorrection) * delta; - if (sign[position] !== 0) { - n = -n; - } - nb = bitsDecoded[position]; - var pos = interleave ? (levelOffset + (offset << 1)) : offset; - if (reversible && (nb >= mb)) { - coefficients[pos] = n; - } else { - coefficients[pos] = n * (1 << (mb - nb)); - } - } - offset++; - position++; - } - offset += width - blockWidth; - } - } - } - function transformTile(context, tile, c) { - var component = tile.components[c]; - var codingStyleParameters = component.codingStyleParameters; - var quantizationParameters = component.quantizationParameters; - var decompositionLevelsCount = - codingStyleParameters.decompositionLevelsCount; - var spqcds = quantizationParameters.SPqcds; - var scalarExpounded = quantizationParameters.scalarExpounded; - var guardBits = quantizationParameters.guardBits; - var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed; - var precision = context.components[c].precision; - - var reversible = codingStyleParameters.reversibleTransformation; - var transform = (reversible ? new ReversibleTransform() : - new IrreversibleTransform()); - - var subbandCoefficients = []; - var b = 0; - for (var i = 0; i <= decompositionLevelsCount; i++) { - var resolution = component.resolutions[i]; - - var width = resolution.trx1 - resolution.trx0; - var height = resolution.try1 - resolution.try0; - // Allocate space for the whole sublevel. - var coefficients = new Float32Array(width * height); - - for (var j = 0, jj = resolution.subbands.length; j < jj; j++) { - var mu, epsilon; - if (!scalarExpounded) { - // formula E-5 - mu = spqcds[0].mu; - epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0); - } else { - mu = spqcds[b].mu; - epsilon = spqcds[b].epsilon; - b++; - } - - var subband = resolution.subbands[j]; - var gainLog2 = SubbandsGainLog2[subband.type]; - - // calulate quantization coefficient (Section E.1.1.1) - var delta = (reversible ? 1 : - Math.pow(2, precision + gainLog2 - epsilon) * (1 + mu / 2048)); - var mb = (guardBits + epsilon - 1); - - // In the first resolution level, copyCoefficients will fill the - // whole array with coefficients. In the succeding passes, - // copyCoefficients will consecutively fill in the values that belong - // to the interleaved positions of the HL, LH, and HH coefficients. - // The LL coefficients will then be interleaved in Transform.iterate(). - copyCoefficients(coefficients, width, height, subband, delta, mb, - reversible, segmentationSymbolUsed); - } - subbandCoefficients.push({ - width: width, - height: height, - items: coefficients - }); - } - - var result = transform.calculate(subbandCoefficients, - component.tcx0, component.tcy0); - return { - left: component.tcx0, - top: component.tcy0, - width: result.width, - height: result.height, - items: result.items - }; - } - function transformComponents(context) { - var siz = context.SIZ; - var components = context.components; - var componentsCount = siz.Csiz; - var resultImages = []; - for (var i = 0, ii = context.tiles.length; i < ii; i++) { - var tile = context.tiles[i]; - var transformedTiles = []; - var c; - for (c = 0; c < componentsCount; c++) { - transformedTiles[c] = transformTile(context, tile, c); - } - var tile0 = transformedTiles[0]; - var out = new Uint8Array(tile0.items.length * componentsCount); - var result = { - left: tile0.left, - top: tile0.top, - width: tile0.width, - height: tile0.height, - items: out - }; - - // Section G.2.2 Inverse multi component transform - var shift, offset, max, min, maxK; - var pos = 0, j, jj, y0, y1, y2, r, g, b, k, val; - if (tile.codingStyleDefaultParameters.multipleComponentTransform) { - var fourComponents = componentsCount === 4; - var y0items = transformedTiles[0].items; - var y1items = transformedTiles[1].items; - var y2items = transformedTiles[2].items; - var y3items = fourComponents ? transformedTiles[3].items : null; - - // HACK: The multiple component transform formulas below assume that - // all components have the same precision. With this in mind, we - // compute shift and offset only once. - shift = components[0].precision - 8; - offset = (128 << shift) + 0.5; - max = 255 * (1 << shift); - maxK = max * 0.5; - min = -maxK; - - var component0 = tile.components[0]; - var alpha01 = componentsCount - 3; - jj = y0items.length; - if (!component0.codingStyleParameters.reversibleTransformation) { - // inverse irreversible multiple component transform - for (j = 0; j < jj; j++, pos += alpha01) { - y0 = y0items[j] + offset; - y1 = y1items[j]; - y2 = y2items[j]; - r = y0 + 1.402 * y2; - g = y0 - 0.34413 * y1 - 0.71414 * y2; - b = y0 + 1.772 * y1; - out[pos++] = r <= 0 ? 0 : r >= max ? 255 : r >> shift; - out[pos++] = g <= 0 ? 0 : g >= max ? 255 : g >> shift; - out[pos++] = b <= 0 ? 0 : b >= max ? 255 : b >> shift; - } - } else { - // inverse reversible multiple component transform - for (j = 0; j < jj; j++, pos += alpha01) { - y0 = y0items[j] + offset; - y1 = y1items[j]; - y2 = y2items[j]; - g = y0 - ((y2 + y1) >> 2); - r = g + y2; - b = g + y1; - out[pos++] = r <= 0 ? 0 : r >= max ? 255 : r >> shift; - out[pos++] = g <= 0 ? 0 : g >= max ? 255 : g >> shift; - out[pos++] = b <= 0 ? 0 : b >= max ? 255 : b >> shift; - } - } - if (fourComponents) { - for (j = 0, pos = 3; j < jj; j++, pos += 4) { - k = y3items[j]; - out[pos] = k <= min ? 0 : k >= maxK ? 255 : (k + offset) >> shift; - } - } - } else { // no multi-component transform - for (c = 0; c < componentsCount; c++) { - var items = transformedTiles[c].items; - shift = components[c].precision - 8; - offset = (128 << shift) + 0.5; - max = (127.5 * (1 << shift)); - min = -max; - for (pos = c, j = 0, jj = items.length; j < jj; j++) { - val = items[j]; - out[pos] = val <= min ? 0 : - val >= max ? 255 : (val + offset) >> shift; - pos += componentsCount; - } - } - } - resultImages.push(result); - } - return resultImages; - } - function initializeTile(context, tileIndex) { - var siz = context.SIZ; - var componentsCount = siz.Csiz; - var tile = context.tiles[tileIndex]; - for (var c = 0; c < componentsCount; c++) { - var component = tile.components[c]; - var qcdOrQcc = (c in context.currentTile.QCC ? - context.currentTile.QCC[c] : context.currentTile.QCD); - component.quantizationParameters = qcdOrQcc; - var codOrCoc = (c in context.currentTile.COC ? - context.currentTile.COC[c] : context.currentTile.COD); - component.codingStyleParameters = codOrCoc; - } - tile.codingStyleDefaultParameters = context.currentTile.COD; - } - - // Section B.10.2 Tag trees - var TagTree = (function TagTreeClosure() { - function TagTree(width, height) { - var levelsLength = log2(Math.max(width, height)) + 1; - this.levels = []; - for (var i = 0; i < levelsLength; i++) { - var level = { - width: width, - height: height, - items: [] - }; - this.levels.push(level); - width = Math.ceil(width / 2); - height = Math.ceil(height / 2); - } - } - TagTree.prototype = { - reset: function TagTree_reset(i, j) { - var currentLevel = 0, value = 0, level; - while (currentLevel < this.levels.length) { - level = this.levels[currentLevel]; - var index = i + j * level.width; - if (index in level.items) { - value = level.items[index]; - break; - } - level.index = index; - i >>= 1; - j >>= 1; - currentLevel++; - } - currentLevel--; - level = this.levels[currentLevel]; - level.items[level.index] = value; - this.currentLevel = currentLevel; - delete this.value; - }, - incrementValue: function TagTree_incrementValue() { - var level = this.levels[this.currentLevel]; - level.items[level.index]++; - }, - nextLevel: function TagTree_nextLevel() { - var currentLevel = this.currentLevel; - var level = this.levels[currentLevel]; - var value = level.items[level.index]; - currentLevel--; - if (currentLevel < 0) { - this.value = value; - return false; - } - - this.currentLevel = currentLevel; - level = this.levels[currentLevel]; - level.items[level.index] = value; - return true; - } - }; - return TagTree; - })(); - - var InclusionTree = (function InclusionTreeClosure() { - function InclusionTree(width, height, defaultValue) { - var levelsLength = log2(Math.max(width, height)) + 1; - this.levels = []; - for (var i = 0; i < levelsLength; i++) { - var items = new Uint8Array(width * height); - for (var j = 0, jj = items.length; j < jj; j++) { - items[j] = defaultValue; - } - - var level = { - width: width, - height: height, - items: items - }; - this.levels.push(level); - - width = Math.ceil(width / 2); - height = Math.ceil(height / 2); - } - } - InclusionTree.prototype = { - reset: function InclusionTree_reset(i, j, stopValue) { - var currentLevel = 0; - while (currentLevel < this.levels.length) { - var level = this.levels[currentLevel]; - var index = i + j * level.width; - level.index = index; - var value = level.items[index]; - - if (value === 0xFF) { - break; - } - - if (value > stopValue) { - this.currentLevel = currentLevel; - // already know about this one, propagating the value to top levels - this.propagateValues(); - return false; - } - - i >>= 1; - j >>= 1; - currentLevel++; - } - this.currentLevel = currentLevel - 1; - return true; - }, - incrementValue: function InclusionTree_incrementValue(stopValue) { - var level = this.levels[this.currentLevel]; - level.items[level.index] = stopValue + 1; - this.propagateValues(); - }, - propagateValues: function InclusionTree_propagateValues() { - var levelIndex = this.currentLevel; - var level = this.levels[levelIndex]; - var currentValue = level.items[level.index]; - while (--levelIndex >= 0) { - level = this.levels[levelIndex]; - level.items[level.index] = currentValue; - } - }, - nextLevel: function InclusionTree_nextLevel() { - var currentLevel = this.currentLevel; - var level = this.levels[currentLevel]; - var value = level.items[level.index]; - level.items[level.index] = 0xFF; - currentLevel--; - if (currentLevel < 0) { - return false; - } - - this.currentLevel = currentLevel; - level = this.levels[currentLevel]; - level.items[level.index] = value; - return true; - } - }; - return InclusionTree; - })(); - - // Section D. Coefficient bit modeling - var BitModel = (function BitModelClosure() { - var UNIFORM_CONTEXT = 17; - var RUNLENGTH_CONTEXT = 18; - // Table D-1 - // The index is binary presentation: 0dddvvhh, ddd - sum of Di (0..4), - // vv - sum of Vi (0..2), and hh - sum of Hi (0..2) - var LLAndLHContextsLabel = new Uint8Array([ - 0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, - 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, - 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8 - ]); - var HLContextLabel = new Uint8Array([ - 0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, - 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, - 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8 - ]); - var HHContextLabel = new Uint8Array([ - 0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, - 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, - 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8 - ]); - - function BitModel(width, height, subband, zeroBitPlanes, mb) { - this.width = width; - this.height = height; - - this.contextLabelTable = (subband === 'HH' ? HHContextLabel : - (subband === 'HL' ? HLContextLabel : LLAndLHContextsLabel)); - - var coefficientCount = width * height; - - // coefficients outside the encoding region treated as insignificant - // add border state cells for significanceState - this.neighborsSignificance = new Uint8Array(coefficientCount); - this.coefficentsSign = new Uint8Array(coefficientCount); - this.coefficentsMagnitude = mb > 14 ? new Uint32Array(coefficientCount) : - mb > 6 ? new Uint16Array(coefficientCount) : - new Uint8Array(coefficientCount); - this.processingFlags = new Uint8Array(coefficientCount); - - var bitsDecoded = new Uint8Array(coefficientCount); - if (zeroBitPlanes !== 0) { - for (var i = 0; i < coefficientCount; i++) { - bitsDecoded[i] = zeroBitPlanes; - } - } - this.bitsDecoded = bitsDecoded; - - this.reset(); - } - - BitModel.prototype = { - setDecoder: function BitModel_setDecoder(decoder) { - this.decoder = decoder; - }, - reset: function BitModel_reset() { - // We have 17 contexts that are accessed via context labels, - // plus the uniform and runlength context. - this.contexts = new Int8Array(19); - - // Contexts are packed into 1 byte: - // highest 7 bits carry the index, lowest bit carries mps - this.contexts[0] = (4 << 1) | 0; - this.contexts[UNIFORM_CONTEXT] = (46 << 1) | 0; - this.contexts[RUNLENGTH_CONTEXT] = (3 << 1) | 0; - }, - setNeighborsSignificance: - function BitModel_setNeighborsSignificance(row, column, index) { - var neighborsSignificance = this.neighborsSignificance; - var width = this.width, height = this.height; - var left = (column > 0); - var right = (column + 1 < width); - var i; - - if (row > 0) { - i = index - width; - if (left) { - neighborsSignificance[i - 1] += 0x10; - } - if (right) { - neighborsSignificance[i + 1] += 0x10; - } - neighborsSignificance[i] += 0x04; - } - - if (row + 1 < height) { - i = index + width; - if (left) { - neighborsSignificance[i - 1] += 0x10; - } - if (right) { - neighborsSignificance[i + 1] += 0x10; - } - neighborsSignificance[i] += 0x04; - } - - if (left) { - neighborsSignificance[index - 1] += 0x01; - } - if (right) { - neighborsSignificance[index + 1] += 0x01; - } - neighborsSignificance[index] |= 0x80; - }, - runSignificancePropogationPass: - function BitModel_runSignificancePropogationPass() { - var decoder = this.decoder; - var width = this.width, height = this.height; - var coefficentsMagnitude = this.coefficentsMagnitude; - var coefficentsSign = this.coefficentsSign; - var neighborsSignificance = this.neighborsSignificance; - var processingFlags = this.processingFlags; - var contexts = this.contexts; - var labels = this.contextLabelTable; - var bitsDecoded = this.bitsDecoded; - var processedInverseMask = ~1; - var processedMask = 1; - var firstMagnitudeBitMask = 2; - - for (var i0 = 0; i0 < height; i0 += 4) { - for (var j = 0; j < width; j++) { - var index = i0 * width + j; - for (var i1 = 0; i1 < 4; i1++, index += width) { - var i = i0 + i1; - if (i >= height) { - break; - } - // clear processed flag first - processingFlags[index] &= processedInverseMask; - - if (coefficentsMagnitude[index] || - !neighborsSignificance[index]) { - continue; - } - - var contextLabel = labels[neighborsSignificance[index]]; - var decision = decoder.readBit(contexts, contextLabel); - if (decision) { - var sign = this.decodeSignBit(i, j, index); - coefficentsSign[index] = sign; - coefficentsMagnitude[index] = 1; - this.setNeighborsSignificance(i, j, index); - processingFlags[index] |= firstMagnitudeBitMask; - } - bitsDecoded[index]++; - processingFlags[index] |= processedMask; - } - } - } - }, - decodeSignBit: function BitModel_decodeSignBit(row, column, index) { - var width = this.width, height = this.height; - var coefficentsMagnitude = this.coefficentsMagnitude; - var coefficentsSign = this.coefficentsSign; - var contribution, sign0, sign1, significance1; - var contextLabel, decoded; - - // calculate horizontal contribution - significance1 = (column > 0 && coefficentsMagnitude[index - 1] !== 0); - if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) { - sign1 = coefficentsSign[index + 1]; - if (significance1) { - sign0 = coefficentsSign[index - 1]; - contribution = 1 - sign1 - sign0; - } else { - contribution = 1 - sign1 - sign1; - } - } else if (significance1) { - sign0 = coefficentsSign[index - 1]; - contribution = 1 - sign0 - sign0; - } else { - contribution = 0; - } - var horizontalContribution = 3 * contribution; - - // calculate vertical contribution and combine with the horizontal - significance1 = (row > 0 && coefficentsMagnitude[index - width] !== 0); - if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) { - sign1 = coefficentsSign[index + width]; - if (significance1) { - sign0 = coefficentsSign[index - width]; - contribution = 1 - sign1 - sign0 + horizontalContribution; - } else { - contribution = 1 - sign1 - sign1 + horizontalContribution; - } - } else if (significance1) { - sign0 = coefficentsSign[index - width]; - contribution = 1 - sign0 - sign0 + horizontalContribution; - } else { - contribution = horizontalContribution; - } - - if (contribution >= 0) { - contextLabel = 9 + contribution; - decoded = this.decoder.readBit(this.contexts, contextLabel); - } else { - contextLabel = 9 - contribution; - decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1; - } - return decoded; - }, - runMagnitudeRefinementPass: - function BitModel_runMagnitudeRefinementPass() { - var decoder = this.decoder; - var width = this.width, height = this.height; - var coefficentsMagnitude = this.coefficentsMagnitude; - var neighborsSignificance = this.neighborsSignificance; - var contexts = this.contexts; - var bitsDecoded = this.bitsDecoded; - var processingFlags = this.processingFlags; - var processedMask = 1; - var firstMagnitudeBitMask = 2; - var length = width * height; - var width4 = width * 4; - - for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) { - indexNext = Math.min(length, index0 + width4); - for (var j = 0; j < width; j++) { - for (var index = index0 + j; index < indexNext; index += width) { - - // significant but not those that have just become - if (!coefficentsMagnitude[index] || - (processingFlags[index] & processedMask) !== 0) { - continue; - } - - var contextLabel = 16; - if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) { - processingFlags[index] ^= firstMagnitudeBitMask; - // first refinement - var significance = neighborsSignificance[index] & 127; - contextLabel = significance === 0 ? 15 : 14; - } - - var bit = decoder.readBit(contexts, contextLabel); - coefficentsMagnitude[index] = - (coefficentsMagnitude[index] << 1) | bit; - bitsDecoded[index]++; - processingFlags[index] |= processedMask; - } - } - } - }, - runCleanupPass: function BitModel_runCleanupPass() { - var decoder = this.decoder; - var width = this.width, height = this.height; - var neighborsSignificance = this.neighborsSignificance; - var coefficentsMagnitude = this.coefficentsMagnitude; - var coefficentsSign = this.coefficentsSign; - var contexts = this.contexts; - var labels = this.contextLabelTable; - var bitsDecoded = this.bitsDecoded; - var processingFlags = this.processingFlags; - var processedMask = 1; - var firstMagnitudeBitMask = 2; - var oneRowDown = width; - var twoRowsDown = width * 2; - var threeRowsDown = width * 3; - var iNext; - for (var i0 = 0; i0 < height; i0 = iNext) { - iNext = Math.min(i0 + 4, height); - var indexBase = i0 * width; - var checkAllEmpty = i0 + 3 < height; - for (var j = 0; j < width; j++) { - var index0 = indexBase + j; - // using the property: labels[neighborsSignificance[index]] === 0 - // when neighborsSignificance[index] === 0 - var allEmpty = (checkAllEmpty && - processingFlags[index0] === 0 && - processingFlags[index0 + oneRowDown] === 0 && - processingFlags[index0 + twoRowsDown] === 0 && - processingFlags[index0 + threeRowsDown] === 0 && - neighborsSignificance[index0] === 0 && - neighborsSignificance[index0 + oneRowDown] === 0 && - neighborsSignificance[index0 + twoRowsDown] === 0 && - neighborsSignificance[index0 + threeRowsDown] === 0); - var i1 = 0, index = index0; - var i = i0, sign; - if (allEmpty) { - var hasSignificantCoefficent = - decoder.readBit(contexts, RUNLENGTH_CONTEXT); - if (!hasSignificantCoefficent) { - bitsDecoded[index0]++; - bitsDecoded[index0 + oneRowDown]++; - bitsDecoded[index0 + twoRowsDown]++; - bitsDecoded[index0 + threeRowsDown]++; - continue; // next column - } - i1 = (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) | - decoder.readBit(contexts, UNIFORM_CONTEXT); - if (i1 !== 0) { - i = i0 + i1; - index += i1 * width; - } - - sign = this.decodeSignBit(i, j, index); - coefficentsSign[index] = sign; - coefficentsMagnitude[index] = 1; - this.setNeighborsSignificance(i, j, index); - processingFlags[index] |= firstMagnitudeBitMask; - - index = index0; - for (var i2 = i0; i2 <= i; i2++, index += width) { - bitsDecoded[index]++; - } - - i1++; - } - for (i = i0 + i1; i < iNext; i++, index += width) { - if (coefficentsMagnitude[index] || - (processingFlags[index] & processedMask) !== 0) { - continue; - } - - var contextLabel = labels[neighborsSignificance[index]]; - var decision = decoder.readBit(contexts, contextLabel); - if (decision === 1) { - sign = this.decodeSignBit(i, j, index); - coefficentsSign[index] = sign; - coefficentsMagnitude[index] = 1; - this.setNeighborsSignificance(i, j, index); - processingFlags[index] |= firstMagnitudeBitMask; - } - bitsDecoded[index]++; - } - } - } - }, - checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() { - var decoder = this.decoder; - var contexts = this.contexts; - var symbol = (decoder.readBit(contexts, UNIFORM_CONTEXT) << 3) | - (decoder.readBit(contexts, UNIFORM_CONTEXT) << 2) | - (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) | - decoder.readBit(contexts, UNIFORM_CONTEXT); - if (symbol !== 0xA) { - throw new Error('JPX Error: Invalid segmentation symbol'); - } - } - }; - - return BitModel; - })(); - - // Section F, Discrete wavelet transformation - var Transform = (function TransformClosure() { - function Transform() {} - - Transform.prototype.calculate = - function transformCalculate(subbands, u0, v0) { - var ll = subbands[0]; - for (var i = 1, ii = subbands.length; i < ii; i++) { - ll = this.iterate(ll, subbands[i], u0, v0); - } - return ll; - }; - Transform.prototype.extend = function extend(buffer, offset, size) { - // Section F.3.7 extending... using max extension of 4 - var i1 = offset - 1, j1 = offset + 1; - var i2 = offset + size - 2, j2 = offset + size; - buffer[i1--] = buffer[j1++]; - buffer[j2++] = buffer[i2--]; - buffer[i1--] = buffer[j1++]; - buffer[j2++] = buffer[i2--]; - buffer[i1--] = buffer[j1++]; - buffer[j2++] = buffer[i2--]; - buffer[i1] = buffer[j1]; - buffer[j2] = buffer[i2]; - }; - Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, - u0, v0) { - var llWidth = ll.width, llHeight = ll.height, llItems = ll.items; - var width = hl_lh_hh.width; - var height = hl_lh_hh.height; - var items = hl_lh_hh.items; - var i, j, k, l, u, v; - - // Interleave LL according to Section F.3.3 - for (k = 0, i = 0; i < llHeight; i++) { - l = i * 2 * width; - for (j = 0; j < llWidth; j++, k++, l += 2) { - items[l] = llItems[k]; - } - } - // The LL band is not needed anymore. - llItems = ll.items = null; - - var bufferPadding = 4; - var rowBuffer = new Float32Array(width + 2 * bufferPadding); - - // Section F.3.4 HOR_SR - if (width === 1) { - // if width = 1, when u0 even keep items as is, when odd divide by 2 - if ((u0 & 1) !== 0) { - for (v = 0, k = 0; v < height; v++, k += width) { - items[k] *= 0.5; - } - } - } else { - for (v = 0, k = 0; v < height; v++, k += width) { - rowBuffer.set(items.subarray(k, k + width), bufferPadding); - - this.extend(rowBuffer, bufferPadding, width); - this.filter(rowBuffer, bufferPadding, width); - - items.set( - rowBuffer.subarray(bufferPadding, bufferPadding + width), - k); - } - } - - // Accesses to the items array can take long, because it may not fit into - // CPU cache and has to be fetched from main memory. Since subsequent - // accesses to the items array are not local when reading columns, we - // have a cache miss every time. To reduce cache misses, get up to - // 'numBuffers' items at a time and store them into the individual - // buffers. The colBuffers should be small enough to fit into CPU cache. - var numBuffers = 16; - var colBuffers = []; - for (i = 0; i < numBuffers; i++) { - colBuffers.push(new Float32Array(height + 2 * bufferPadding)); - } - var b, currentBuffer = 0; - ll = bufferPadding + height; - - // Section F.3.5 VER_SR - if (height === 1) { - // if height = 1, when v0 even keep items as is, when odd divide by 2 - if ((v0 & 1) !== 0) { - for (u = 0; u < width; u++) { - items[u] *= 0.5; - } - } - } else { - for (u = 0; u < width; u++) { - // if we ran out of buffers, copy several image columns at once - if (currentBuffer === 0) { - numBuffers = Math.min(width - u, numBuffers); - for (k = u, l = bufferPadding; l < ll; k += width, l++) { - for (b = 0; b < numBuffers; b++) { - colBuffers[b][l] = items[k + b]; - } - } - currentBuffer = numBuffers; - } - - currentBuffer--; - var buffer = colBuffers[currentBuffer]; - this.extend(buffer, bufferPadding, height); - this.filter(buffer, bufferPadding, height); - - // If this is last buffer in this group of buffers, flush all buffers. - if (currentBuffer === 0) { - k = u - numBuffers + 1; - for (l = bufferPadding; l < ll; k += width, l++) { - for (b = 0; b < numBuffers; b++) { - items[k + b] = colBuffers[b][l]; - } - } - } - } - } - - return { - width: width, - height: height, - items: items - }; - }; - return Transform; - })(); - - // Section 3.8.2 Irreversible 9-7 filter - var IrreversibleTransform = (function IrreversibleTransformClosure() { - function IrreversibleTransform() { - Transform.call(this); - } - - IrreversibleTransform.prototype = Object.create(Transform.prototype); - IrreversibleTransform.prototype.filter = - function irreversibleTransformFilter(x, offset, length) { - var len = length >> 1; - offset = offset | 0; - var j, n, current, next; - - var alpha = -1.586134342059924; - var beta = -0.052980118572961; - var gamma = 0.882911075530934; - var delta = 0.443506852043971; - var K = 1.230174104914001; - var K_ = 1 / K; - - // step 1 is combined with step 3 - - // step 2 - j = offset - 3; - for (n = len + 4; n--; j += 2) { - x[j] *= K_; - } - - // step 1 & 3 - j = offset - 2; - current = delta * x[j -1]; - for (n = len + 3; n--; j += 2) { - next = delta * x[j + 1]; - x[j] = K * x[j] - current - next; - if (n--) { - j += 2; - current = delta * x[j + 1]; - x[j] = K * x[j] - current - next; - } else { - break; - } - } - - // step 4 - j = offset - 1; - current = gamma * x[j - 1]; - for (n = len + 2; n--; j += 2) { - next = gamma * x[j + 1]; - x[j] -= current + next; - if (n--) { - j += 2; - current = gamma * x[j + 1]; - x[j] -= current + next; - } else { - break; - } - } - - // step 5 - j = offset; - current = beta * x[j - 1]; - for (n = len + 1; n--; j += 2) { - next = beta * x[j + 1]; - x[j] -= current + next; - if (n--) { - j += 2; - current = beta * x[j + 1]; - x[j] -= current + next; - } else { - break; - } - } - - // step 6 - if (len !== 0) { - j = offset + 1; - current = alpha * x[j - 1]; - for (n = len; n--; j += 2) { - next = alpha * x[j + 1]; - x[j] -= current + next; - if (n--) { - j += 2; - current = alpha * x[j + 1]; - x[j] -= current + next; - } else { - break; - } - } - } - }; - - return IrreversibleTransform; - })(); - - // Section 3.8.1 Reversible 5-3 filter - var ReversibleTransform = (function ReversibleTransformClosure() { - function ReversibleTransform() { - Transform.call(this); - } - - ReversibleTransform.prototype = Object.create(Transform.prototype); - ReversibleTransform.prototype.filter = - function reversibleTransformFilter(x, offset, length) { - var len = length >> 1; - offset = offset | 0; - var j, n; - - for (j = offset, n = len + 1; n--; j += 2) { - x[j] -= (x[j - 1] + x[j + 1] + 2) >> 2; - } - - for (j = offset + 1, n = len; n--; j += 2) { - x[j] += (x[j - 1] + x[j + 1]) >> 1; - } - }; - - return ReversibleTransform; - })(); - - return JpxImage; -})(); - - - -var Jbig2Image = (function Jbig2ImageClosure() { - // Utility data structures - function ContextCache() {} - - ContextCache.prototype = { - getContexts: function(id) { - if (id in this) { - return this[id]; - } - return (this[id] = new Int8Array(1 << 16)); - } - }; - - function DecodingContext(data, start, end) { - this.data = data; - this.start = start; - this.end = end; - } - - DecodingContext.prototype = { - get decoder() { - var decoder = new ArithmeticDecoder(this.data, this.start, this.end); - return shadow(this, 'decoder', decoder); - }, - get contextCache() { - var cache = new ContextCache(); - return shadow(this, 'contextCache', cache); - } - }; - - // Annex A. Arithmetic Integer Decoding Procedure - // A.2 Procedure for decoding values - function decodeInteger(contextCache, procedure, decoder) { - var contexts = contextCache.getContexts(procedure); - var prev = 1; - - function readBits(length) { - var v = 0; - for (var i = 0; i < length; i++) { - var bit = decoder.readBit(contexts, prev); - prev = (prev < 256 ? (prev << 1) | bit : - (((prev << 1) | bit) & 511) | 256); - v = (v << 1) | bit; - } - return v >>> 0; - } - - var sign = readBits(1); - var value = readBits(1) ? - (readBits(1) ? - (readBits(1) ? - (readBits(1) ? - (readBits(1) ? - (readBits(32) + 4436) : - readBits(12) + 340) : - readBits(8) + 84) : - readBits(6) + 20) : - readBits(4) + 4) : - readBits(2); - return (sign === 0 ? value : (value > 0 ? -value : null)); - } - - // A.3 The IAID decoding procedure - function decodeIAID(contextCache, decoder, codeLength) { - var contexts = contextCache.getContexts('IAID'); - - var prev = 1; - for (var i = 0; i < codeLength; i++) { - var bit = decoder.readBit(contexts, prev); - prev = (prev << 1) | bit; - } - if (codeLength < 31) { - return prev & ((1 << codeLength) - 1); - } - return prev & 0x7FFFFFFF; - } - - // 7.3 Segment types - var SegmentTypes = [ - 'SymbolDictionary', null, null, null, 'IntermediateTextRegion', null, - 'ImmediateTextRegion', 'ImmediateLosslessTextRegion', null, null, null, - null, null, null, null, null, 'patternDictionary', null, null, null, - 'IntermediateHalftoneRegion', null, 'ImmediateHalftoneRegion', - 'ImmediateLosslessHalftoneRegion', null, null, null, null, null, null, null, - null, null, null, null, null, 'IntermediateGenericRegion', null, - 'ImmediateGenericRegion', 'ImmediateLosslessGenericRegion', - 'IntermediateGenericRefinementRegion', null, - 'ImmediateGenericRefinementRegion', - 'ImmediateLosslessGenericRefinementRegion', null, null, null, null, - 'PageInformation', 'EndOfPage', 'EndOfStripe', 'EndOfFile', 'Profiles', - 'Tables', null, null, null, null, null, null, null, null, - 'Extension' - ]; - - var CodingTemplates = [ - [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: -2, y: -1}, - {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: 2, y: -1}, - {x: -4, y: 0}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}], - [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: 2, y: -2}, - {x: -2, y: -1}, {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, - {x: 2, y: -1}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}], - [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: -2, y: -1}, - {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: -2, y: 0}, - {x: -1, y: 0}], - [{x: -3, y: -1}, {x: -2, y: -1}, {x: -1, y: -1}, {x: 0, y: -1}, - {x: 1, y: -1}, {x: -4, y: 0}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}] - ]; - - var RefinementTemplates = [ - { - coding: [{x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}], - reference: [{x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}, {x: 0, y: 0}, - {x: 1, y: 0}, {x: -1, y: 1}, {x: 0, y: 1}, {x: 1, y: 1}] - }, - { - coding: [{x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}], - reference: [{x: 0, y: -1}, {x: -1, y: 0}, {x: 0, y: 0}, {x: 1, y: 0}, - {x: 0, y: 1}, {x: 1, y: 1}] - } - ]; - - // See 6.2.5.7 Decoding the bitmap. - var ReusedContexts = [ - 0x9B25, // 10011 0110010 0101 - 0x0795, // 0011 110010 101 - 0x00E5, // 001 11001 01 - 0x0195 // 011001 0101 - ]; - - var RefinementReusedContexts = [ - 0x0020, // '000' + '0' (coding) + '00010000' + '0' (reference) - 0x0008 // '0000' + '001000' - ]; - - function decodeBitmapTemplate0(width, height, decodingContext) { - var decoder = decodingContext.decoder; - var contexts = decodingContext.contextCache.getContexts('GB'); - var contextLabel, i, j, pixel, row, row1, row2, bitmap = []; - - // ...ooooo.... - // ..ooooooo... Context template for current pixel (X) - // .ooooX...... (concatenate values of 'o'-pixels to get contextLabel) - var OLD_PIXEL_MASK = 0x7BF7; // 01111 0111111 0111 - - for (i = 0; i < height; i++) { - row = bitmap[i] = new Uint8Array(width); - row1 = (i < 1) ? row : bitmap[i - 1]; - row2 = (i < 2) ? row : bitmap[i - 2]; - - // At the beginning of each row: - // Fill contextLabel with pixels that are above/right of (X) - contextLabel = (row2[0] << 13) | (row2[1] << 12) | (row2[2] << 11) | - (row1[0] << 7) | (row1[1] << 6) | (row1[2] << 5) | - (row1[3] << 4); - - for (j = 0; j < width; j++) { - row[j] = pixel = decoder.readBit(contexts, contextLabel); - - // At each pixel: Clear contextLabel pixels that are shifted - // out of the context, then add new ones. - // If j + n is out of range at the right image border, then - // the undefined value of bitmap[i - 2][j + n] is shifted to 0 - contextLabel = ((contextLabel & OLD_PIXEL_MASK) << 1) | - (row2[j + 3] << 11) | (row1[j + 4] << 4) | pixel; - } - } - - return bitmap; - } - - // 6.2 Generic Region Decoding Procedure - function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, - decodingContext) { - if (mmr) { - error('JBIG2 error: MMR encoding is not supported'); - } - - // Use optimized version for the most common case - if (templateIndex === 0 && !skip && !prediction && at.length === 4 && - at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && - at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) { - return decodeBitmapTemplate0(width, height, decodingContext); - } - - var useskip = !!skip; - var template = CodingTemplates[templateIndex].concat(at); - - // Sorting is non-standard, and it is not required. But sorting increases - // the number of template bits that can be reused from the previous - // contextLabel in the main loop. - template.sort(function (a, b) { - return (a.y - b.y) || (a.x - b.x); - }); - - var templateLength = template.length; - var templateX = new Int8Array(templateLength); - var templateY = new Int8Array(templateLength); - var changingTemplateEntries = []; - var reuseMask = 0, minX = 0, maxX = 0, minY = 0; - var c, k; - - for (k = 0; k < templateLength; k++) { - templateX[k] = template[k].x; - templateY[k] = template[k].y; - minX = Math.min(minX, template[k].x); - maxX = Math.max(maxX, template[k].x); - minY = Math.min(minY, template[k].y); - // Check if the template pixel appears in two consecutive context labels, - // so it can be reused. Otherwise, we add it to the list of changing - // template entries. - if (k < templateLength - 1 && - template[k].y === template[k + 1].y && - template[k].x === template[k + 1].x - 1) { - reuseMask |= 1 << (templateLength - 1 - k); - } else { - changingTemplateEntries.push(k); - } - } - var changingEntriesLength = changingTemplateEntries.length; - - var changingTemplateX = new Int8Array(changingEntriesLength); - var changingTemplateY = new Int8Array(changingEntriesLength); - var changingTemplateBit = new Uint16Array(changingEntriesLength); - for (c = 0; c < changingEntriesLength; c++) { - k = changingTemplateEntries[c]; - changingTemplateX[c] = template[k].x; - changingTemplateY[c] = template[k].y; - changingTemplateBit[c] = 1 << (templateLength - 1 - k); - } - - // Get the safe bounding box edges from the width, height, minX, maxX, minY - var sbb_left = -minX; - var sbb_top = -minY; - var sbb_right = width - maxX; - - var pseudoPixelContext = ReusedContexts[templateIndex]; - var row = new Uint8Array(width); - var bitmap = []; - - var decoder = decodingContext.decoder; - var contexts = decodingContext.contextCache.getContexts('GB'); - - var ltp = 0, j, i0, j0, contextLabel = 0, bit, shift; - for (var i = 0; i < height; i++) { - if (prediction) { - var sltp = decoder.readBit(contexts, pseudoPixelContext); - ltp ^= sltp; - if (ltp) { - bitmap.push(row); // duplicate previous row - continue; - } - } - row = new Uint8Array(row); - bitmap.push(row); - for (j = 0; j < width; j++) { - if (useskip && skip[i][j]) { - row[j] = 0; - continue; - } - // Are we in the middle of a scanline, so we can reuse contextLabel - // bits? - if (j >= sbb_left && j < sbb_right && i >= sbb_top) { - // If yes, we can just shift the bits that are reusable and only - // fetch the remaining ones. - contextLabel = (contextLabel << 1) & reuseMask; - for (k = 0; k < changingEntriesLength; k++) { - i0 = i + changingTemplateY[k]; - j0 = j + changingTemplateX[k]; - bit = bitmap[i0][j0]; - if (bit) { - bit = changingTemplateBit[k]; - contextLabel |= bit; - } - } - } else { - // compute the contextLabel from scratch - contextLabel = 0; - shift = templateLength - 1; - for (k = 0; k < templateLength; k++, shift--) { - j0 = j + templateX[k]; - if (j0 >= 0 && j0 < width) { - i0 = i + templateY[k]; - if (i0 >= 0) { - bit = bitmap[i0][j0]; - if (bit) { - contextLabel |= bit << shift; - } - } - } - } - } - var pixel = decoder.readBit(contexts, contextLabel); - row[j] = pixel; - } - } - return bitmap; - } - - // 6.3.2 Generic Refinement Region Decoding Procedure - function decodeRefinement(width, height, templateIndex, referenceBitmap, - offsetX, offsetY, prediction, at, - decodingContext) { - var codingTemplate = RefinementTemplates[templateIndex].coding; - if (templateIndex === 0) { - codingTemplate = codingTemplate.concat([at[0]]); - } - var codingTemplateLength = codingTemplate.length; - var codingTemplateX = new Int32Array(codingTemplateLength); - var codingTemplateY = new Int32Array(codingTemplateLength); - var k; - for (k = 0; k < codingTemplateLength; k++) { - codingTemplateX[k] = codingTemplate[k].x; - codingTemplateY[k] = codingTemplate[k].y; - } - - var referenceTemplate = RefinementTemplates[templateIndex].reference; - if (templateIndex === 0) { - referenceTemplate = referenceTemplate.concat([at[1]]); - } - var referenceTemplateLength = referenceTemplate.length; - var referenceTemplateX = new Int32Array(referenceTemplateLength); - var referenceTemplateY = new Int32Array(referenceTemplateLength); - for (k = 0; k < referenceTemplateLength; k++) { - referenceTemplateX[k] = referenceTemplate[k].x; - referenceTemplateY[k] = referenceTemplate[k].y; - } - var referenceWidth = referenceBitmap[0].length; - var referenceHeight = referenceBitmap.length; - - var pseudoPixelContext = RefinementReusedContexts[templateIndex]; - var bitmap = []; - - var decoder = decodingContext.decoder; - var contexts = decodingContext.contextCache.getContexts('GR'); - - var ltp = 0; - for (var i = 0; i < height; i++) { - if (prediction) { - var sltp = decoder.readBit(contexts, pseudoPixelContext); - ltp ^= sltp; - if (ltp) { - error('JBIG2 error: prediction is not supported'); - } - } - var row = new Uint8Array(width); - bitmap.push(row); - for (var j = 0; j < width; j++) { - var i0, j0; - var contextLabel = 0; - for (k = 0; k < codingTemplateLength; k++) { - i0 = i + codingTemplateY[k]; - j0 = j + codingTemplateX[k]; - if (i0 < 0 || j0 < 0 || j0 >= width) { - contextLabel <<= 1; // out of bound pixel - } else { - contextLabel = (contextLabel << 1) | bitmap[i0][j0]; - } - } - for (k = 0; k < referenceTemplateLength; k++) { - i0 = i + referenceTemplateY[k] + offsetY; - j0 = j + referenceTemplateX[k] + offsetX; - if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || - j0 >= referenceWidth) { - contextLabel <<= 1; // out of bound pixel - } else { - contextLabel = (contextLabel << 1) | referenceBitmap[i0][j0]; - } - } - var pixel = decoder.readBit(contexts, contextLabel); - row[j] = pixel; - } - } - - return bitmap; - } - - // 6.5.5 Decoding the symbol dictionary - function decodeSymbolDictionary(huffman, refinement, symbols, - numberOfNewSymbols, numberOfExportedSymbols, - huffmanTables, templateIndex, at, - refinementTemplateIndex, refinementAt, - decodingContext) { - if (huffman) { - error('JBIG2 error: huffman is not supported'); - } - - var newSymbols = []; - var currentHeight = 0; - var symbolCodeLength = log2(symbols.length + numberOfNewSymbols); - - var decoder = decodingContext.decoder; - var contextCache = decodingContext.contextCache; - - while (newSymbols.length < numberOfNewSymbols) { - var deltaHeight = decodeInteger(contextCache, 'IADH', decoder); // 6.5.6 - currentHeight += deltaHeight; - var currentWidth = 0; - var totalWidth = 0; - while (true) { - var deltaWidth = decodeInteger(contextCache, 'IADW', decoder); // 6.5.7 - if (deltaWidth === null) { - break; // OOB - } - currentWidth += deltaWidth; - totalWidth += currentWidth; - var bitmap; - if (refinement) { - // 6.5.8.2 Refinement/aggregate-coded symbol bitmap - var numberOfInstances = decodeInteger(contextCache, 'IAAI', decoder); - if (numberOfInstances > 1) { - bitmap = decodeTextRegion(huffman, refinement, - currentWidth, currentHeight, 0, - numberOfInstances, 1, //strip size - symbols.concat(newSymbols), - symbolCodeLength, - 0, //transposed - 0, //ds offset - 1, //top left 7.4.3.1.1 - 0, //OR operator - huffmanTables, - refinementTemplateIndex, refinementAt, - decodingContext); - } else { - var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength); - var rdx = decodeInteger(contextCache, 'IARDX', decoder); // 6.4.11.3 - var rdy = decodeInteger(contextCache, 'IARDY', decoder); // 6.4.11.4 - var symbol = (symbolId < symbols.length ? symbols[symbolId] : - newSymbols[symbolId - symbols.length]); - bitmap = decodeRefinement(currentWidth, currentHeight, - refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, - decodingContext); - } - } else { - // 6.5.8.1 Direct-coded symbol bitmap - bitmap = decodeBitmap(false, currentWidth, currentHeight, - templateIndex, false, null, at, decodingContext); - } - newSymbols.push(bitmap); - } - } - // 6.5.10 Exported symbols - var exportedSymbols = []; - var flags = [], currentFlag = false; - var totalSymbolsLength = symbols.length + numberOfNewSymbols; - while (flags.length < totalSymbolsLength) { - var runLength = decodeInteger(contextCache, 'IAEX', decoder); - while (runLength--) { - flags.push(currentFlag); - } - currentFlag = !currentFlag; - } - for (var i = 0, ii = symbols.length; i < ii; i++) { - if (flags[i]) { - exportedSymbols.push(symbols[i]); - } - } - for (var j = 0; j < numberOfNewSymbols; i++, j++) { - if (flags[i]) { - exportedSymbols.push(newSymbols[j]); - } - } - return exportedSymbols; - } - - function decodeTextRegion(huffman, refinement, width, height, - defaultPixelValue, numberOfSymbolInstances, - stripSize, inputSymbols, symbolCodeLength, - transposed, dsOffset, referenceCorner, - combinationOperator, huffmanTables, - refinementTemplateIndex, refinementAt, - decodingContext) { - if (huffman) { - error('JBIG2 error: huffman is not supported'); - } - - // Prepare bitmap - var bitmap = []; - var i, row; - for (i = 0; i < height; i++) { - row = new Uint8Array(width); - if (defaultPixelValue) { - for (var j = 0; j < width; j++) { - row[j] = defaultPixelValue; - } - } - bitmap.push(row); - } - - var decoder = decodingContext.decoder; - var contextCache = decodingContext.contextCache; - var stripT = -decodeInteger(contextCache, 'IADT', decoder); // 6.4.6 - var firstS = 0; - i = 0; - while (i < numberOfSymbolInstances) { - var deltaT = decodeInteger(contextCache, 'IADT', decoder); // 6.4.6 - stripT += deltaT; - - var deltaFirstS = decodeInteger(contextCache, 'IAFS', decoder); // 6.4.7 - firstS += deltaFirstS; - var currentS = firstS; - do { - var currentT = (stripSize === 1 ? 0 : - decodeInteger(contextCache, 'IAIT', decoder)); // 6.4.9 - var t = stripSize * stripT + currentT; - var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength); - var applyRefinement = (refinement && - decodeInteger(contextCache, 'IARI', decoder)); - var symbolBitmap = inputSymbols[symbolId]; - var symbolWidth = symbolBitmap[0].length; - var symbolHeight = symbolBitmap.length; - if (applyRefinement) { - var rdw = decodeInteger(contextCache, 'IARDW', decoder); // 6.4.11.1 - var rdh = decodeInteger(contextCache, 'IARDH', decoder); // 6.4.11.2 - var rdx = decodeInteger(contextCache, 'IARDX', decoder); // 6.4.11.3 - var rdy = decodeInteger(contextCache, 'IARDY', decoder); // 6.4.11.4 - symbolWidth += rdw; - symbolHeight += rdh; - symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, - refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, - (rdh >> 1) + rdy, false, refinementAt, - decodingContext); - } - var offsetT = t - ((referenceCorner & 1) ? 0 : symbolHeight); - var offsetS = currentS - ((referenceCorner & 2) ? symbolWidth : 0); - var s2, t2, symbolRow; - if (transposed) { - // Place Symbol Bitmap from T1,S1 - for (s2 = 0; s2 < symbolHeight; s2++) { - row = bitmap[offsetS + s2]; - if (!row) { - continue; - } - symbolRow = symbolBitmap[s2]; - // To ignore Parts of Symbol bitmap which goes - // outside bitmap region - var maxWidth = Math.min(width - offsetT, symbolWidth); - switch (combinationOperator) { - case 0: // OR - for (t2 = 0; t2 < maxWidth; t2++) { - row[offsetT + t2] |= symbolRow[t2]; - } - break; - case 2: // XOR - for (t2 = 0; t2 < maxWidth; t2++) { - row[offsetT + t2] ^= symbolRow[t2]; - } - break; - default: - error('JBIG2 error: operator ' + combinationOperator + - ' is not supported'); - } - } - currentS += symbolHeight - 1; - } else { - for (t2 = 0; t2 < symbolHeight; t2++) { - row = bitmap[offsetT + t2]; - if (!row) { - continue; - } - symbolRow = symbolBitmap[t2]; - switch (combinationOperator) { - case 0: // OR - for (s2 = 0; s2 < symbolWidth; s2++) { - row[offsetS + s2] |= symbolRow[s2]; - } - break; - case 2: // XOR - for (s2 = 0; s2 < symbolWidth; s2++) { - row[offsetS + s2] ^= symbolRow[s2]; - } - break; - default: - error('JBIG2 error: operator ' + combinationOperator + - ' is not supported'); - } - } - currentS += symbolWidth - 1; - } - i++; - var deltaS = decodeInteger(contextCache, 'IADS', decoder); // 6.4.8 - if (deltaS === null) { - break; // OOB - } - currentS += deltaS + dsOffset; - } while (true); - } - return bitmap; - } - - function readSegmentHeader(data, start) { - var segmentHeader = {}; - segmentHeader.number = readUint32(data, start); - var flags = data[start + 4]; - var segmentType = flags & 0x3F; - if (!SegmentTypes[segmentType]) { - error('JBIG2 error: invalid segment type: ' + segmentType); - } - segmentHeader.type = segmentType; - segmentHeader.typeName = SegmentTypes[segmentType]; - segmentHeader.deferredNonRetain = !!(flags & 0x80); - - var pageAssociationFieldSize = !!(flags & 0x40); - var referredFlags = data[start + 5]; - var referredToCount = (referredFlags >> 5) & 7; - var retainBits = [referredFlags & 31]; - var position = start + 6; - if (referredFlags === 7) { - referredToCount = readUint32(data, position - 1) & 0x1FFFFFFF; - position += 3; - var bytes = (referredToCount + 7) >> 3; - retainBits[0] = data[position++]; - while (--bytes > 0) { - retainBits.push(data[position++]); - } - } else if (referredFlags === 5 || referredFlags === 6) { - error('JBIG2 error: invalid referred-to flags'); - } - - segmentHeader.retainBits = retainBits; - var referredToSegmentNumberSize = (segmentHeader.number <= 256 ? 1 : - (segmentHeader.number <= 65536 ? 2 : 4)); - var referredTo = []; - var i, ii; - for (i = 0; i < referredToCount; i++) { - var number = (referredToSegmentNumberSize === 1 ? data[position] : - (referredToSegmentNumberSize === 2 ? readUint16(data, position) : - readUint32(data, position))); - referredTo.push(number); - position += referredToSegmentNumberSize; - } - segmentHeader.referredTo = referredTo; - if (!pageAssociationFieldSize) { - segmentHeader.pageAssociation = data[position++]; - } else { - segmentHeader.pageAssociation = readUint32(data, position); - position += 4; - } - segmentHeader.length = readUint32(data, position); - position += 4; - - if (segmentHeader.length === 0xFFFFFFFF) { - // 7.2.7 Segment data length, unknown segment length - if (segmentType === 38) { // ImmediateGenericRegion - var genericRegionInfo = readRegionSegmentInformation(data, position); - var genericRegionSegmentFlags = data[position + - RegionSegmentInformationFieldLength]; - var genericRegionMmr = !!(genericRegionSegmentFlags & 1); - // searching for the segment end - var searchPatternLength = 6; - var searchPattern = new Uint8Array(searchPatternLength); - if (!genericRegionMmr) { - searchPattern[0] = 0xFF; - searchPattern[1] = 0xAC; - } - searchPattern[2] = (genericRegionInfo.height >>> 24) & 0xFF; - searchPattern[3] = (genericRegionInfo.height >> 16) & 0xFF; - searchPattern[4] = (genericRegionInfo.height >> 8) & 0xFF; - searchPattern[5] = genericRegionInfo.height & 0xFF; - for (i = position, ii = data.length; i < ii; i++) { - var j = 0; - while (j < searchPatternLength && searchPattern[j] === data[i + j]) { - j++; - } - if (j === searchPatternLength) { - segmentHeader.length = i + searchPatternLength; - break; - } - } - if (segmentHeader.length === 0xFFFFFFFF) { - error('JBIG2 error: segment end was not found'); - } - } else { - error('JBIG2 error: invalid unknown segment length'); - } - } - segmentHeader.headerEnd = position; - return segmentHeader; - } - - function readSegments(header, data, start, end) { - var segments = []; - var position = start; - while (position < end) { - var segmentHeader = readSegmentHeader(data, position); - position = segmentHeader.headerEnd; - var segment = { - header: segmentHeader, - data: data - }; - if (!header.randomAccess) { - segment.start = position; - position += segmentHeader.length; - segment.end = position; - } - segments.push(segment); - if (segmentHeader.type === 51) { - break; // end of file is found - } - } - if (header.randomAccess) { - for (var i = 0, ii = segments.length; i < ii; i++) { - segments[i].start = position; - position += segments[i].header.length; - segments[i].end = position; - } - } - return segments; - } - - // 7.4.1 Region segment information field - function readRegionSegmentInformation(data, start) { - return { - width: readUint32(data, start), - height: readUint32(data, start + 4), - x: readUint32(data, start + 8), - y: readUint32(data, start + 12), - combinationOperator: data[start + 16] & 7 - }; - } - var RegionSegmentInformationFieldLength = 17; - - function processSegment(segment, visitor) { - var header = segment.header; - - var data = segment.data, position = segment.start, end = segment.end; - var args, at, i, atLength; - switch (header.type) { - case 0: // SymbolDictionary - // 7.4.2 Symbol dictionary segment syntax - var dictionary = {}; - var dictionaryFlags = readUint16(data, position); // 7.4.2.1.1 - dictionary.huffman = !!(dictionaryFlags & 1); - dictionary.refinement = !!(dictionaryFlags & 2); - dictionary.huffmanDHSelector = (dictionaryFlags >> 2) & 3; - dictionary.huffmanDWSelector = (dictionaryFlags >> 4) & 3; - dictionary.bitmapSizeSelector = (dictionaryFlags >> 6) & 1; - dictionary.aggregationInstancesSelector = (dictionaryFlags >> 7) & 1; - dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256); - dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512); - dictionary.template = (dictionaryFlags >> 10) & 3; - dictionary.refinementTemplate = (dictionaryFlags >> 12) & 1; - position += 2; - if (!dictionary.huffman) { - atLength = dictionary.template === 0 ? 4 : 1; - at = []; - for (i = 0; i < atLength; i++) { - at.push({ - x: readInt8(data, position), - y: readInt8(data, position + 1) - }); - position += 2; - } - dictionary.at = at; - } - if (dictionary.refinement && !dictionary.refinementTemplate) { - at = []; - for (i = 0; i < 2; i++) { - at.push({ - x: readInt8(data, position), - y: readInt8(data, position + 1) - }); - position += 2; - } - dictionary.refinementAt = at; - } - dictionary.numberOfExportedSymbols = readUint32(data, position); - position += 4; - dictionary.numberOfNewSymbols = readUint32(data, position); - position += 4; - args = [dictionary, header.number, header.referredTo, - data, position, end]; - break; - case 6: // ImmediateTextRegion - case 7: // ImmediateLosslessTextRegion - var textRegion = {}; - textRegion.info = readRegionSegmentInformation(data, position); - position += RegionSegmentInformationFieldLength; - var textRegionSegmentFlags = readUint16(data, position); - position += 2; - textRegion.huffman = !!(textRegionSegmentFlags & 1); - textRegion.refinement = !!(textRegionSegmentFlags & 2); - textRegion.stripSize = 1 << ((textRegionSegmentFlags >> 2) & 3); - textRegion.referenceCorner = (textRegionSegmentFlags >> 4) & 3; - textRegion.transposed = !!(textRegionSegmentFlags & 64); - textRegion.combinationOperator = (textRegionSegmentFlags >> 7) & 3; - textRegion.defaultPixelValue = (textRegionSegmentFlags >> 9) & 1; - textRegion.dsOffset = (textRegionSegmentFlags << 17) >> 27; - textRegion.refinementTemplate = (textRegionSegmentFlags >> 15) & 1; - if (textRegion.huffman) { - var textRegionHuffmanFlags = readUint16(data, position); - position += 2; - textRegion.huffmanFS = (textRegionHuffmanFlags) & 3; - textRegion.huffmanDS = (textRegionHuffmanFlags >> 2) & 3; - textRegion.huffmanDT = (textRegionHuffmanFlags >> 4) & 3; - textRegion.huffmanRefinementDW = (textRegionHuffmanFlags >> 6) & 3; - textRegion.huffmanRefinementDH = (textRegionHuffmanFlags >> 8) & 3; - textRegion.huffmanRefinementDX = (textRegionHuffmanFlags >> 10) & 3; - textRegion.huffmanRefinementDY = (textRegionHuffmanFlags >> 12) & 3; - textRegion.huffmanRefinementSizeSelector = - !!(textRegionHuffmanFlags & 14); - } - if (textRegion.refinement && !textRegion.refinementTemplate) { - at = []; - for (i = 0; i < 2; i++) { - at.push({ - x: readInt8(data, position), - y: readInt8(data, position + 1) - }); - position += 2; - } - textRegion.refinementAt = at; - } - textRegion.numberOfSymbolInstances = readUint32(data, position); - position += 4; - // TODO 7.4.3.1.7 Symbol ID Huffman table decoding - if (textRegion.huffman) { - error('JBIG2 error: huffman is not supported'); - } - args = [textRegion, header.referredTo, data, position, end]; - break; - case 38: // ImmediateGenericRegion - case 39: // ImmediateLosslessGenericRegion - var genericRegion = {}; - genericRegion.info = readRegionSegmentInformation(data, position); - position += RegionSegmentInformationFieldLength; - var genericRegionSegmentFlags = data[position++]; - genericRegion.mmr = !!(genericRegionSegmentFlags & 1); - genericRegion.template = (genericRegionSegmentFlags >> 1) & 3; - genericRegion.prediction = !!(genericRegionSegmentFlags & 8); - if (!genericRegion.mmr) { - atLength = genericRegion.template === 0 ? 4 : 1; - at = []; - for (i = 0; i < atLength; i++) { - at.push({ - x: readInt8(data, position), - y: readInt8(data, position + 1) - }); - position += 2; - } - genericRegion.at = at; - } - args = [genericRegion, data, position, end]; - break; - case 48: // PageInformation - var pageInfo = { - width: readUint32(data, position), - height: readUint32(data, position + 4), - resolutionX: readUint32(data, position + 8), - resolutionY: readUint32(data, position + 12) - }; - if (pageInfo.height === 0xFFFFFFFF) { - delete pageInfo.height; - } - var pageSegmentFlags = data[position + 16]; - var pageStripingInformatiom = readUint16(data, position + 17); - pageInfo.lossless = !!(pageSegmentFlags & 1); - pageInfo.refinement = !!(pageSegmentFlags & 2); - pageInfo.defaultPixelValue = (pageSegmentFlags >> 2) & 1; - pageInfo.combinationOperator = (pageSegmentFlags >> 3) & 3; - pageInfo.requiresBuffer = !!(pageSegmentFlags & 32); - pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64); - args = [pageInfo]; - break; - case 49: // EndOfPage - break; - case 50: // EndOfStripe - break; - case 51: // EndOfFile - break; - case 62: // 7.4.15 defines 2 extension types which - // are comments and can be ignored. - break; - default: - error('JBIG2 error: segment type ' + header.typeName + '(' + - header.type + ') is not implemented'); - } - var callbackName = 'on' + header.typeName; - if (callbackName in visitor) { - visitor[callbackName].apply(visitor, args); - } - } - - function processSegments(segments, visitor) { - for (var i = 0, ii = segments.length; i < ii; i++) { - processSegment(segments[i], visitor); - } - } - - function parseJbig2(data, start, end) { - var position = start; - if (data[position] !== 0x97 || data[position + 1] !== 0x4A || - data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || - data[position + 4] !== 0x0D || data[position + 5] !== 0x0A || - data[position + 6] !== 0x1A || data[position + 7] !== 0x0A) { - error('JBIG2 error: invalid header'); - } - var header = {}; - position += 8; - var flags = data[position++]; - header.randomAccess = !(flags & 1); - if (!(flags & 2)) { - header.numberOfPages = readUint32(data, position); - position += 4; - } - var segments = readSegments(header, data, position, end); - error('Not implemented'); - // processSegments(segments, new SimpleSegmentVisitor()); - } - - function parseJbig2Chunks(chunks) { - var visitor = new SimpleSegmentVisitor(); - for (var i = 0, ii = chunks.length; i < ii; i++) { - var chunk = chunks[i]; - var segments = readSegments({}, chunk.data, chunk.start, chunk.end); - processSegments(segments, visitor); - } - return visitor.buffer; - } - - function SimpleSegmentVisitor() {} - - SimpleSegmentVisitor.prototype = { - onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) { - this.currentPageInfo = info; - var rowSize = (info.width + 7) >> 3; - var buffer = new Uint8Array(rowSize * info.height); - // The contents of ArrayBuffers are initialized to 0. - // Fill the buffer with 0xFF only if info.defaultPixelValue is set - if (info.defaultPixelValue) { - for (var i = 0, ii = buffer.length; i < ii; i++) { - buffer[i] = 0xFF; - } - } - this.buffer = buffer; - }, - drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) { - var pageInfo = this.currentPageInfo; - var width = regionInfo.width, height = regionInfo.height; - var rowSize = (pageInfo.width + 7) >> 3; - var combinationOperator = pageInfo.combinationOperatorOverride ? - regionInfo.combinationOperator : pageInfo.combinationOperator; - var buffer = this.buffer; - var mask0 = 128 >> (regionInfo.x & 7); - var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3); - var i, j, mask, offset; - switch (combinationOperator) { - case 0: // OR - for (i = 0; i < height; i++) { - mask = mask0; - offset = offset0; - for (j = 0; j < width; j++) { - if (bitmap[i][j]) { - buffer[offset] |= mask; - } - mask >>= 1; - if (!mask) { - mask = 128; - offset++; - } - } - offset0 += rowSize; - } - break; - case 2: // XOR - for (i = 0; i < height; i++) { - mask = mask0; - offset = offset0; - for (j = 0; j < width; j++) { - if (bitmap[i][j]) { - buffer[offset] ^= mask; - } - mask >>= 1; - if (!mask) { - mask = 128; - offset++; - } - } - offset0 += rowSize; - } - break; - default: - error('JBIG2 error: operator ' + combinationOperator + - ' is not supported'); - } - }, - onImmediateGenericRegion: - function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, - start, end) { - var regionInfo = region.info; - var decodingContext = new DecodingContext(data, start, end); - var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, - region.template, region.prediction, null, - region.at, decodingContext); - this.drawBitmap(regionInfo, bitmap); - }, - onImmediateLosslessGenericRegion: - function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() { - this.onImmediateGenericRegion.apply(this, arguments); - }, - onSymbolDictionary: - function SimpleSegmentVisitor_onSymbolDictionary(dictionary, - currentSegment, - referredSegments, - data, start, end) { - var huffmanTables; - if (dictionary.huffman) { - error('JBIG2 error: huffman is not supported'); - } - - // Combines exported symbols from all referred segments - var symbols = this.symbols; - if (!symbols) { - this.symbols = symbols = {}; - } - - var inputSymbols = []; - for (var i = 0, ii = referredSegments.length; i < ii; i++) { - inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]); - } - - var decodingContext = new DecodingContext(data, start, end); - symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, - dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, - dictionary.numberOfExportedSymbols, huffmanTables, - dictionary.template, dictionary.at, - dictionary.refinementTemplate, dictionary.refinementAt, - decodingContext); - }, - onImmediateTextRegion: - function SimpleSegmentVisitor_onImmediateTextRegion(region, - referredSegments, - data, start, end) { - var regionInfo = region.info; - var huffmanTables; - - // Combines exported symbols from all referred segments - var symbols = this.symbols; - var inputSymbols = []; - for (var i = 0, ii = referredSegments.length; i < ii; i++) { - inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]); - } - var symbolCodeLength = log2(inputSymbols.length); - - var decodingContext = new DecodingContext(data, start, end); - var bitmap = decodeTextRegion(region.huffman, region.refinement, - regionInfo.width, regionInfo.height, region.defaultPixelValue, - region.numberOfSymbolInstances, region.stripSize, inputSymbols, - symbolCodeLength, region.transposed, region.dsOffset, - region.referenceCorner, region.combinationOperator, huffmanTables, - region.refinementTemplate, region.refinementAt, decodingContext); - this.drawBitmap(regionInfo, bitmap); - }, - onImmediateLosslessTextRegion: - function SimpleSegmentVisitor_onImmediateLosslessTextRegion() { - this.onImmediateTextRegion.apply(this, arguments); - } - }; - - function Jbig2Image() {} - - Jbig2Image.prototype = { - parseChunks: function Jbig2Image_parseChunks(chunks) { - return parseJbig2Chunks(chunks); - } - }; - - return Jbig2Image; -})(); - - -var bidi = PDFJS.bidi = (function bidiClosure() { - // Character types for symbols from 0000 to 00FF. - var baseTypes = [ - 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'S', 'B', 'S', 'WS', - 'B', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', - 'BN', 'BN', 'B', 'B', 'B', 'S', 'WS', 'ON', 'ON', 'ET', 'ET', 'ET', 'ON', - 'ON', 'ON', 'ON', 'ON', 'ON', 'CS', 'ON', 'CS', 'ON', 'EN', 'EN', 'EN', - 'EN', 'EN', 'EN', 'EN', 'EN', 'EN', 'EN', 'ON', 'ON', 'ON', 'ON', 'ON', - 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', - 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'ON', 'ON', - 'ON', 'ON', 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', - 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', - 'L', 'ON', 'ON', 'ON', 'ON', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'B', 'BN', - 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', - 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', - 'BN', 'CS', 'ON', 'ET', 'ET', 'ET', 'ET', 'ON', 'ON', 'ON', 'ON', 'L', 'ON', - 'ON', 'ON', 'ON', 'ON', 'ET', 'ET', 'EN', 'EN', 'ON', 'L', 'ON', 'ON', 'ON', - 'EN', 'L', 'ON', 'ON', 'ON', 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', - 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', - 'L', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', - 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', - 'L', 'L', 'L', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L' - ]; - - // Character types for symbols from 0600 to 06FF - var arabicTypes = [ - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'CS', 'AL', 'ON', 'ON', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', - 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', - 'AN', 'ET', 'AN', 'AN', 'AL', 'AL', 'AL', 'NSM', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', - 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'ON', 'NSM', - 'NSM', 'NSM', 'NSM', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', - 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL' - ]; - - function isOdd(i) { - return (i & 1) !== 0; - } - - function isEven(i) { - return (i & 1) === 0; - } - - function findUnequal(arr, start, value) { - for (var j = start, jj = arr.length; j < jj; ++j) { - if (arr[j] !== value) { - return j; - } - } - return j; - } - - function setValues(arr, start, end, value) { - for (var j = start; j < end; ++j) { - arr[j] = value; - } - } - - function reverseValues(arr, start, end) { - for (var i = start, j = end - 1; i < j; ++i, --j) { - var temp = arr[i]; - arr[i] = arr[j]; - arr[j] = temp; - } - } - - function createBidiText(str, isLTR, vertical) { - return { - str: str, - dir: (vertical ? 'ttb' : (isLTR ? 'ltr' : 'rtl')) - }; - } - - // These are used in bidi(), which is called frequently. We re-use them on - // each call to avoid unnecessary allocations. - var chars = []; - var types = []; - - function bidi(str, startLevel, vertical) { - var isLTR = true; - var strLength = str.length; - if (strLength === 0 || vertical) { - return createBidiText(str, isLTR, vertical); - } - - // Get types and fill arrays - chars.length = strLength; - types.length = strLength; - var numBidi = 0; - - var i, ii; - for (i = 0; i < strLength; ++i) { - chars[i] = str.charAt(i); - - var charCode = str.charCodeAt(i); - var charType = 'L'; - if (charCode <= 0x00ff) { - charType = baseTypes[charCode]; - } else if (0x0590 <= charCode && charCode <= 0x05f4) { - charType = 'R'; - } else if (0x0600 <= charCode && charCode <= 0x06ff) { - charType = arabicTypes[charCode & 0xff]; - } else if (0x0700 <= charCode && charCode <= 0x08AC) { - charType = 'AL'; - } - if (charType === 'R' || charType === 'AL' || charType === 'AN') { - numBidi++; - } - types[i] = charType; - } - - // Detect the bidi method - // - If there are no rtl characters then no bidi needed - // - If less than 30% chars are rtl then string is primarily ltr - // - If more than 30% chars are rtl then string is primarily rtl - if (numBidi === 0) { - isLTR = true; - return createBidiText(str, isLTR); - } - - if (startLevel === -1) { - if ((strLength / numBidi) < 0.3) { - isLTR = true; - startLevel = 0; - } else { - isLTR = false; - startLevel = 1; - } - } - - var levels = []; - for (i = 0; i < strLength; ++i) { - levels[i] = startLevel; - } - - /* - X1-X10: skip most of this, since we are NOT doing the embeddings. - */ - var e = (isOdd(startLevel) ? 'R' : 'L'); - var sor = e; - var eor = sor; - - /* - W1. Examine each non-spacing mark (NSM) in the level run, and change the - type of the NSM to the type of the previous character. If the NSM is at the - start of the level run, it will get the type of sor. - */ - var lastType = sor; - for (i = 0; i < strLength; ++i) { - if (types[i] === 'NSM') { - types[i] = lastType; - } else { - lastType = types[i]; - } - } - - /* - W2. Search backwards from each instance of a European number until the - first strong type (R, L, AL, or sor) is found. If an AL is found, change - the type of the European number to Arabic number. - */ - lastType = sor; - var t; - for (i = 0; i < strLength; ++i) { - t = types[i]; - if (t === 'EN') { - types[i] = (lastType === 'AL') ? 'AN' : 'EN'; - } else if (t === 'R' || t === 'L' || t === 'AL') { - lastType = t; - } - } - - /* - W3. Change all ALs to R. - */ - for (i = 0; i < strLength; ++i) { - t = types[i]; - if (t === 'AL') { - types[i] = 'R'; - } - } - - /* - W4. A single European separator between two European numbers changes to a - European number. A single common separator between two numbers of the same - type changes to that type: - */ - for (i = 1; i < strLength - 1; ++i) { - if (types[i] === 'ES' && types[i - 1] === 'EN' && types[i + 1] === 'EN') { - types[i] = 'EN'; - } - if (types[i] === 'CS' && - (types[i - 1] === 'EN' || types[i - 1] === 'AN') && - types[i + 1] === types[i - 1]) { - types[i] = types[i - 1]; - } - } - - /* - W5. A sequence of European terminators adjacent to European numbers changes - to all European numbers: - */ - for (i = 0; i < strLength; ++i) { - if (types[i] === 'EN') { - // do before - var j; - for (j = i - 1; j >= 0; --j) { - if (types[j] !== 'ET') { - break; - } - types[j] = 'EN'; - } - // do after - for (j = i + 1; j < strLength; --j) { - if (types[j] !== 'ET') { - break; - } - types[j] = 'EN'; - } - } - } - - /* - W6. Otherwise, separators and terminators change to Other Neutral: - */ - for (i = 0; i < strLength; ++i) { - t = types[i]; - if (t === 'WS' || t === 'ES' || t === 'ET' || t === 'CS') { - types[i] = 'ON'; - } - } - - /* - W7. Search backwards from each instance of a European number until the - first strong type (R, L, or sor) is found. If an L is found, then change - the type of the European number to L. - */ - lastType = sor; - for (i = 0; i < strLength; ++i) { - t = types[i]; - if (t === 'EN') { - types[i] = ((lastType === 'L') ? 'L' : 'EN'); - } else if (t === 'R' || t === 'L') { - lastType = t; - } - } - - /* - N1. A sequence of neutrals takes the direction of the surrounding strong - text if the text on both sides has the same direction. European and Arabic - numbers are treated as though they were R. Start-of-level-run (sor) and - end-of-level-run (eor) are used at level run boundaries. - */ - for (i = 0; i < strLength; ++i) { - if (types[i] === 'ON') { - var end = findUnequal(types, i + 1, 'ON'); - var before = sor; - if (i > 0) { - before = types[i - 1]; - } - - var after = eor; - if (end + 1 < strLength) { - after = types[end + 1]; - } - if (before !== 'L') { - before = 'R'; - } - if (after !== 'L') { - after = 'R'; - } - if (before === after) { - setValues(types, i, end, before); - } - i = end - 1; // reset to end (-1 so next iteration is ok) - } - } - - /* - N2. Any remaining neutrals take the embedding direction. - */ - for (i = 0; i < strLength; ++i) { - if (types[i] === 'ON') { - types[i] = e; - } - } - - /* - I1. For all characters with an even (left-to-right) embedding direction, - those of type R go up one level and those of type AN or EN go up two - levels. - I2. For all characters with an odd (right-to-left) embedding direction, - those of type L, EN or AN go up one level. - */ - for (i = 0; i < strLength; ++i) { - t = types[i]; - if (isEven(levels[i])) { - if (t === 'R') { - levels[i] += 1; - } else if (t === 'AN' || t === 'EN') { - levels[i] += 2; - } - } else { // isOdd - if (t === 'L' || t === 'AN' || t === 'EN') { - levels[i] += 1; - } - } - } - - /* - L1. On each line, reset the embedding level of the following characters to - the paragraph embedding level: - - segment separators, - paragraph separators, - any sequence of whitespace characters preceding a segment separator or - paragraph separator, and any sequence of white space characters at the end - of the line. - */ - - // don't bother as text is only single line - - /* - L2. From the highest level found in the text to the lowest odd level on - each line, reverse any contiguous sequence of characters that are at that - level or higher. - */ - - // find highest level & lowest odd level - var highestLevel = -1; - var lowestOddLevel = 99; - var level; - for (i = 0, ii = levels.length; i < ii; ++i) { - level = levels[i]; - if (highestLevel < level) { - highestLevel = level; - } - if (lowestOddLevel > level && isOdd(level)) { - lowestOddLevel = level; - } - } - - // now reverse between those limits - for (level = highestLevel; level >= lowestOddLevel; --level) { - // find segments to reverse - var start = -1; - for (i = 0, ii = levels.length; i < ii; ++i) { - if (levels[i] < level) { - if (start >= 0) { - reverseValues(chars, start, i); - start = -1; - } - } else if (start < 0) { - start = i; - } - } - if (start >= 0) { - reverseValues(chars, start, levels.length); - } - } - - /* - L3. Combining marks applied to a right-to-left base character will at this - point precede their base character. If the rendering engine expects them to - follow the base characters in the final display process, then the ordering - of the marks and the base character must be reversed. - */ - - // don't bother for now - - /* - L4. A character that possesses the mirrored property as specified by - Section 4.7, Mirrored, must be depicted by a mirrored glyph if the resolved - directionality of that character is R. - */ - - // don't mirror as characters are already mirrored in the pdf - - // Finally, return string - var result = ''; - for (i = 0, ii = chars.length; i < ii; ++i) { - var ch = chars[i]; - if (ch !== '<' && ch !== '>') { - result += ch; - } - } - return createBidiText(result, isLTR); - } - - return bidi; -})(); - - -/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ - -/* Copyright 2014 Opera Software ASA - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * - * Based on https://code.google.com/p/smhasher/wiki/MurmurHash3. - * Hashes roughly 100 KB per millisecond on i7 3.4 GHz. - */ -/* globals Uint32ArrayView */ - -'use strict'; - -var MurmurHash3_64 = (function MurmurHash3_64Closure (seed) { - // Workaround for missing math precison in JS. - var MASK_HIGH = 0xffff0000; - var MASK_LOW = 0xffff; - - function MurmurHash3_64 (seed) { - var SEED = 0xc3d2e1f0; - this.h1 = seed ? seed & 0xffffffff : SEED; - this.h2 = seed ? seed & 0xffffffff : SEED; - } - - var alwaysUseUint32ArrayView = false; - // old webkits have issues with non-aligned arrays - try { - new Uint32Array(new Uint8Array(5).buffer, 0, 1); - } catch (e) { - alwaysUseUint32ArrayView = true; - } - - MurmurHash3_64.prototype = { - update: function MurmurHash3_64_update(input) { - var useUint32ArrayView = alwaysUseUint32ArrayView; - var i; - if (typeof input === 'string') { - var data = new Uint8Array(input.length * 2); - var length = 0; - for (i = 0; i < input.length; i++) { - var code = input.charCodeAt(i); - if (code <= 0xff) { - data[length++] = code; - } - else { - data[length++] = code >>> 8; - data[length++] = code & 0xff; - } - } - } else if (input instanceof Uint8Array) { - data = input; - length = data.length; - } else if (typeof input === 'object' && ('length' in input)) { - // processing regular arrays as well, e.g. for IE9 - data = input; - length = data.length; - useUint32ArrayView = true; - } else { - throw new Error('Wrong data format in MurmurHash3_64_update. ' + - 'Input must be a string or array.'); - } - - var blockCounts = length >> 2; - var tailLength = length - blockCounts * 4; - // we don't care about endianness here - var dataUint32 = useUint32ArrayView ? - new Uint32ArrayView(data, blockCounts) : - new Uint32Array(data.buffer, 0, blockCounts); - var k1 = 0; - var k2 = 0; - var h1 = this.h1; - var h2 = this.h2; - var C1 = 0xcc9e2d51; - var C2 = 0x1b873593; - var C1_LOW = C1 & MASK_LOW; - var C2_LOW = C2 & MASK_LOW; - - for (i = 0; i < blockCounts; i++) { - if (i & 1) { - k1 = dataUint32[i]; - k1 = (k1 * C1 & MASK_HIGH) | (k1 * C1_LOW & MASK_LOW); - k1 = k1 << 15 | k1 >>> 17; - k1 = (k1 * C2 & MASK_HIGH) | (k1 * C2_LOW & MASK_LOW); - h1 ^= k1; - h1 = h1 << 13 | h1 >>> 19; - h1 = h1 * 5 + 0xe6546b64; - } else { - k2 = dataUint32[i]; - k2 = (k2 * C1 & MASK_HIGH) | (k2 * C1_LOW & MASK_LOW); - k2 = k2 << 15 | k2 >>> 17; - k2 = (k2 * C2 & MASK_HIGH) | (k2 * C2_LOW & MASK_LOW); - h2 ^= k2; - h2 = h2 << 13 | h2 >>> 19; - h2 = h2 * 5 + 0xe6546b64; - } - } - - k1 = 0; - - switch (tailLength) { - case 3: - k1 ^= data[blockCounts * 4 + 2] << 16; - /* falls through */ - case 2: - k1 ^= data[blockCounts * 4 + 1] << 8; - /* falls through */ - case 1: - k1 ^= data[blockCounts * 4]; - /* falls through */ - k1 = (k1 * C1 & MASK_HIGH) | (k1 * C1_LOW & MASK_LOW); - k1 = k1 << 15 | k1 >>> 17; - k1 = (k1 * C2 & MASK_HIGH) | (k1 * C2_LOW & MASK_LOW); - if (blockCounts & 1) { - h1 ^= k1; - } else { - h2 ^= k1; - } - } - - this.h1 = h1; - this.h2 = h2; - return this; - }, - - hexdigest: function MurmurHash3_64_hexdigest () { - var h1 = this.h1; - var h2 = this.h2; - - h1 ^= h2 >>> 1; - h1 = (h1 * 0xed558ccd & MASK_HIGH) | (h1 * 0x8ccd & MASK_LOW); - h2 = (h2 * 0xff51afd7 & MASK_HIGH) | - (((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16); - h1 ^= h2 >>> 1; - h1 = (h1 * 0x1a85ec53 & MASK_HIGH) | (h1 * 0xec53 & MASK_LOW); - h2 = (h2 * 0xc4ceb9fe & MASK_HIGH) | - (((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16); - h1 ^= h2 >>> 1; - - for (var i = 0, arr = [h1, h2], str = ''; i < arr.length; i++) { - var hex = (arr[i] >>> 0).toString(16); - while (hex.length < 8) { - hex = '0' + hex; - } - str += hex; - } - - return str; - } - }; - - return MurmurHash3_64; -})(); +// Worker thread (and not node.js)? +if (typeof window === 'undefined' && + !(typeof module !== 'undefined' && module.require)) { + initializeWorker(); +} + +exports.WorkerTask = WorkerTask; +exports.WorkerMessageHandler = WorkerMessageHandler; +})); }).call((typeof window === 'undefined') ? this : window); @@ -38651,10 +41106,8 @@ if (!PDFJS.workerSrc && typeof document !== 'undefined') { // workerSrc is not set -- using last script url to define default location PDFJS.workerSrc = (function () { 'use strict'; - var scriptTagContainer = document.body || - document.getElementsByTagName('head')[0]; - var pdfjsSrc = scriptTagContainer.lastChild.src; - return pdfjsSrc && pdfjsSrc.replace(/\.js$/i, '.worker.js'); + var pdfJsSrc = document.currentScript.src; + return pdfJsSrc && pdfJsSrc.replace(/\.js$/i, '.worker.js'); })(); } diff --git a/pdf.js/viewer.css b/pdf.js/viewer.css index e54f6b1..da2cf65 100644 --- a/pdf.js/viewer.css +++ b/pdf.js/viewer.css @@ -20,6 +20,8 @@ right: 0; bottom: 0; overflow: hidden; + opacity: 0.2; + line-height: 1.0; } .textLayer > div { @@ -58,6 +60,91 @@ background-color: rgb(0, 100, 0); } +.textLayer ::selection { background: rgb(0,0,255); } +.textLayer ::-moz-selection { background: rgb(0,0,255); } + +.textLayer .endOfContent { + display: block; + position: absolute; + left: 0px; + top: 100%; + right: 0px; + bottom: 0px; + z-index: -1; + cursor: default; + -webkit-user-select: none; + -ms-user-select: none; + -moz-user-select: none; +} + +.textLayer .endOfContent.active { + top: 0px; +} + + +.annotationLayer section { + position: absolute; +} + +.annotationLayer .linkAnnotation > a { + position: absolute; + font-size: 1em; + top: 0; + left: 0; + width: 100%; + height: 100%; +} + +.annotationLayer .linkAnnotation > a /* -ms-a */ { + background: url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7") 0 0 repeat; +} + +.annotationLayer .linkAnnotation > a:hover { + opacity: 0.2; + background: #ff0; + box-shadow: 0px 2px 10px #ff0; +} + +.annotationLayer .textAnnotation img { + position: absolute; + cursor: pointer; +} + +.annotationLayer .popupWrapper { + position: absolute; + width: 20em; +} + +.annotationLayer .popup { + position: absolute; + z-index: 200; + max-width: 20em; + background-color: #FFFF99; + box-shadow: 0px 2px 5px #333; + border-radius: 2px; + padding: 0.6em; + margin-left: 5px; + cursor: pointer; + word-wrap: break-word; +} + +.annotationLayer .popup h1 { + font-size: 1em; + border-bottom: 1px solid #000000; + padding-bottom: 0.2em; +} + +.annotationLayer .popup p { + padding-top: 0.2em; +} + +.annotationLayer .highlightAnnotation, +.annotationLayer .underlineAnnotation, +.annotationLayer .squigglyAnnotation, +.annotationLayer .strikeoutAnnotation { + cursor: pointer; +} + .pdfViewer .canvasWrapper { overflow: hidden; } @@ -75,6 +162,11 @@ background-color: white; } +.pdfViewer.removePageBorders .page { + margin: 0px auto 10px auto; + border: none; +} + .pdfViewer .page canvas { margin: 0; display: block; @@ -90,82 +182,26 @@ background: url('images/loading-icon.gif') center no-repeat; } -.pdfViewer .page .annotLink > a:hover { - opacity: 0.2; - background: #ff0; - box-shadow: 0px 2px 10px #ff0; -} - -:-webkit-full-screen .pdfViewer .page { +.pdfPresentationMode:-webkit-full-screen .pdfViewer .page { margin-bottom: 100%; border: 0; } -:-moz-full-screen .pdfViewer .page { +.pdfPresentationMode:-moz-full-screen .pdfViewer .page { margin-bottom: 100%; border: 0; } -:-ms-fullscreen .pdfViewer .page { +.pdfPresentationMode:-ms-fullscreen .pdfViewer .page { margin-bottom: 100% !important; border: 0; } -:fullscreen .pdfViewer .page { +.pdfPresentationMode:fullscreen .pdfViewer .page { margin-bottom: 100%; border: 0; } -.pdfViewer .page .annotationHighlight { - position: absolute; - border: 2px #FFFF99 solid; -} - -.pdfViewer .page .annotText > img { - position: absolute; - cursor: pointer; -} - -.pdfViewer .page .annotTextContentWrapper { - position: absolute; - width: 20em; -} - -.pdfViewer .page .annotTextContent { - z-index: 200; - float: left; - max-width: 20em; - background-color: #FFFF99; - box-shadow: 0px 2px 5px #333; - border-radius: 2px; - padding: 0.6em; - cursor: pointer; -} - -.pdfViewer .page .annotTextContent > h1 { - font-size: 1em; - border-bottom: 1px solid #000000; - padding-bottom: 0.2em; -} - -.pdfViewer .page .annotTextContent > p { - padding-top: 0.2em; -} - -.pdfViewer .page .annotLink > a { - position: absolute; - font-size: 1em; - top: 0; - left: 0; - width: 100%; - height: 100%; -} - -.pdfViewer .page .annotLink > a /* -ms-a */ { - background: url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAA\ - LAAAAAABAAEAAAIBRAA7") 0 0 repeat; -} - * { padding: 0; margin: 0; @@ -198,7 +234,7 @@ select { display: none !important; } -#viewerContainer:-webkit-full-screen { +#viewerContainer.pdfPresentationMode:-webkit-full-screen { top: 0px; border-top: 2px solid transparent; background-color: #000; @@ -206,9 +242,10 @@ select { height: 100%; overflow: hidden; cursor: none; + -webkit-user-select: none; } -#viewerContainer:-moz-full-screen { +#viewerContainer.pdfPresentationMode:-moz-full-screen { top: 0px; border-top: 2px solid transparent; background-color: #000; @@ -216,22 +253,24 @@ select { height: 100%; overflow: hidden; cursor: none; + -moz-user-select: none; } -#viewerContainer:-ms-fullscreen { +#viewerContainer.pdfPresentationMode:-ms-fullscreen { top: 0px !important; border-top: 2px solid transparent; width: 100%; height: 100%; overflow: hidden !important; cursor: none; + -ms-user-select: none; } -#viewerContainer:-ms-fullscreen::-ms-backdrop { +#viewerContainer.pdfPresentationMode:-ms-fullscreen::-ms-backdrop { background-color: #000; } -#viewerContainer:fullscreen { +#viewerContainer.pdfPresentationMode:fullscreen { top: 0px; border-top: 2px solid transparent; background-color: #000; @@ -239,56 +278,48 @@ select { height: 100%; overflow: hidden; cursor: none; + -webkit-user-select: none; + -moz-user-select: none; + -ms-user-select: none; } -:-webkit-full-screen a:not(.internalLink) { +.pdfPresentationMode:-webkit-full-screen a:not(.internalLink) { display: none; } -:-moz-full-screen a:not(.internalLink) { +.pdfPresentationMode:-moz-full-screen a:not(.internalLink) { display: none; } -:-ms-fullscreen a:not(.internalLink) { +.pdfPresentationMode:-ms-fullscreen a:not(.internalLink) { display: none !important; } -:fullscreen a:not(.internalLink) { +.pdfPresentationMode:fullscreen a:not(.internalLink) { display: none; } -:-webkit-full-screen .textLayer > div { +.pdfPresentationMode:-webkit-full-screen .textLayer > div { cursor: none; } -:-moz-full-screen .textLayer > div { +.pdfPresentationMode:-moz-full-screen .textLayer > div { cursor: none; } -:fullscreen .textLayer > div { +.pdfPresentationMode:-ms-fullscreen .textLayer > div { cursor: none; } -#viewerContainer.presentationControls, -#viewerContainer.presentationControls .textLayer > div { +.pdfPresentationMode:fullscreen .textLayer > div { + cursor: none; +} + +.pdfPresentationMode.pdfPresentationModeControls > *, +.pdfPresentationMode.pdfPresentationModeControls .textLayer > div { cursor: default; } -.imageLayer { - position: absolute; - left: 0; - top: 0; - right: 0; - bottom: 0; - color: #000; - font-family: sans-serif; - pointer-events: none; -} - -.imageLayer > div { - pointer-events: all; -} - /* outer/inner center provides horizontal center */ .outerCenter { pointer-events: none; @@ -492,15 +523,13 @@ html[dir='rtl'] #toolbarContainer, .findbar, .secondaryToolbar { } @-webkit-keyframes progressIndeterminate { - 0% { left: 0%; } - 50% { left: 100%; } - 100% { left: 100%; } + 0% { left: -142px; } + 100% { left: 0; } } @keyframes progressIndeterminate { - 0% { left: 0%; } - 50% { left: 100%; } - 100% { left: 100%; } + 0% { left: -142px; } + 100% { left: 0; } } #loadingBar .progress.indeterminate { @@ -509,19 +538,20 @@ html[dir='rtl'] #toolbarContainer, .findbar, .secondaryToolbar { transition: none; } -#loadingBar .indeterminate .glimmer { +#loadingBar .progress.indeterminate .glimmer { position: absolute; top: 0; left: 0; height: 100%; - width: 50px; + width: calc(100% + 150px); - background-image: linear-gradient(to right, #999 0%, #fff 50%, #999 100%); - background-size: 100% 100%; - background-repeat: no-repeat; + background: repeating-linear-gradient(135deg, + #bbb 0, #999 5px, + #999 45px, #ddd 55px, + #ddd 95px, #bbb 100px); - -webkit-animation: progressIndeterminate 2s linear infinite; - animation: progressIndeterminate 2s linear infinite; + -webkit-animation: progressIndeterminate 950ms linear infinite; + animation: progressIndeterminate 950ms linear infinite; } .findbar, .secondaryToolbar { @@ -633,13 +663,20 @@ html[dir='ltr'] .doorHangerRight:before { margin-right: -9px; } +#findResultsCount { + background-color: hsl(0, 0%, 85%); + color: hsl(0, 0%, 32%); + text-align: center; + padding: 3px 4px; +} + #findMsg { font-style: italic; color: #A6B7D0; } -.notFound { - background-color: rgb(255, 137, 153); +#findInput.notFound { + background-color: rgb(255, 102, 102); } html[dir='ltr'] #toolbarViewerLeft { @@ -747,6 +784,7 @@ html[dir='rtl'] .splitToolbarButton > .toolbarButton { .splitToolbarButton > .toolbarButton:focus, .dropdownToolbarButton:hover, .overlayButton:hover, +.overlayButton:focus, .toolbarButton.textButton:hover, .toolbarButton.textButton:focus { background-color: hsla(0,0%,0%,.2); @@ -903,7 +941,7 @@ html[dir='rtl'] .dropdownToolbarButton { .dropdownToolbarButton { width: 120px; max-width: 120px; - padding: 3px 2px 2px; + padding: 0; overflow: hidden; background: url(images/toolbarButton-menuArrows.png) no-repeat; } @@ -915,13 +953,11 @@ html[dir='rtl'] .dropdownToolbarButton { } .dropdownToolbarButton > select { - -webkit-appearance: none; - -moz-appearance: none; /* in the future this might matter, see bugzilla bug #649849 */ min-width: 140px; font-size: 12px; color: hsl(0,0%,95%); margin: 0; - padding: 0; + padding: 3px 2px 2px; border: none; background: rgba(0,0,0,0); /* Opera does not support 'transparent'