oxtimeline/oximage/imagetools.py

#!/usr/bin/python
# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4

from __future__ import division
import os
import Image
import ImageDraw
from ox.image import drawText, wrapText

data_root = os.path.join(os.path.dirname(__file__), 'data')

def render_list_icon(options):
    icon_width = 256
    icon_height = 256
    icon_image = Image.new('RGBA', (icon_width, icon_height))
    frame_height = icon_height / 4
    frame_ratio = 4 / 3
    frame_width = int(round(frame_height * frame_ratio))
    for i, frame in enumerate(options['frames']):
        frame_image = Image.open(frame)
        frame_image_ratio = frame_image.size[0] / frame_image.size[1]
        frame_width_ = frame_width + (1 if i % 2 == 1 else 0)
        if frame_ratio < frame_image_ratio:
            frame_image = frame_image.resize((int(frame_height * frame_image_ratio), frame_height), Image.ANTIALIAS)
            left = int((frame_image.size[0] - frame_width_) / 2)
            frame_image = frame_image.crop((left, 0, left + frame_width_, frame_height))
        else:
            frame_image = frame_image.resize((frame_width_, int(frame_width_ / frame_image_ratio)), Image.ANTIALIAS)
            top = int((frame_image.size[1] - frame_height) / 2)
            frame_image = frame_image.crop((0, top, frame_width_, top + frame_height))
        icon_image.paste(frame_image, (i % 3 * frame_width + (1 if i % 2 == 2 else 0), int(i / 3) * frame_height))
    mask_image = Image.open('icon.mask.png')
    mask_image = mask_image.resize((icon_width, icon_height))
    icon_image.putalpha(mask_image)
    icon_image.save(options['icon'])


def render_movie_icon(options):

    icon_width = 256
    icon_height = 256
    icon_image = Image.new('RGBA', (icon_width, icon_height))
    frame_width = icon_width
    frame_ratio = 4 / 3
    frame_height = int(round(frame_width / frame_ratio))
    frame_image = Image.open(options['frame'])
    frame_image_ratio = frame_image.size[0] / frame_image.size[1]
    if frame_ratio < frame_image_ratio:
        frame_image = frame_image.resize((int(frame_height * frame_image_ratio), frame_height), Image.ANTIALIAS)
        left = int((frame_image.size[0] - frame_width) / 2)
        frame_image = frame_image.crop((left, 0, left + frame_width, frame_height))
    else:
        frame_image = frame_image.resize((frame_width, int(frame_width / frame_image_ratio)), Image.ANTIALIAS)
        top = int((frame_image.size[1] - frame_height) / 2)
        frame_image = frame_image.crop((0, top, frame_width, top + frame_height))
    icon_image.paste(frame_image, (0, 0))
    timeline_image = Image.open(options['timeline'])
    timeline_image = timeline_image.resize((icon_width, 64), Image.ANTIALIAS)
    icon_image.paste(timeline_image, (0, icon_height - 64))
    mask_image = Image.open('icon.mask.png')
    mask_image = mask_image.resize((icon_width, icon_height))
    icon_image.putalpha(mask_image)
    icon_image.save(options['icon'])

def render_oxdb_poster(options):

    def get_oxdb_color(oxdb_id, series=False):
        i = int(round((int(oxdb_id[2:10], 16) * 762 / pow(2, 32))))
        if i < 127:
            color = (127, i, 0)
        elif i < 254:
            color = (254 - i, 127, 0)
        elif i < 381:
            color = (0, 127, i - 254)
        elif i < 508:
            color = (0, 508 - i, 127)
        elif i < 635:
            color = (i - 508, 0, 127)
        else:
            color = (127, 0, 762 - i)
        if series:
            color = tuple(map(lambda x: x + 128, color))
        return color

    options['title'] = options['title'].decode('utf-8')
    options['director'] = options['director'].decode('utf-8')
    poster_width = 640
    poster_height = 1024
    poster_ratio = poster_width / poster_height
    poster_image = Image.new('RGB', (poster_width, poster_height))
    draw = ImageDraw.Draw(poster_image)
    font_file = os.path.join(data_root, 'DejaVuSansCondensedBold.ttf')
    font_size = {
        'small': 28,
        'large': 42,
    }

    # frame
    if options['frame']:
        frame_width = poster_width
        frame_ratio = 4 / 3
        frame_height = int(round(frame_width / frame_ratio))
        frame_image = Image.open(options['frame'])
        frame_image_ratio = frame_image.size[0] / frame_image.size[1]
        if frame_ratio < frame_image_ratio:
            frame_image = frame_image.resize((int(frame_height * frame_image_ratio), frame_height), Image.ANTIALIAS)
            left = int((frame_image.size[0] - frame_width) / 2)
            frame_image = frame_image.crop((left, 0, left + frame_width, frame_height))
        else:
            frame_image = frame_image.resize((frame_width, int(frame_width / frame_image_ratio)), Image.ANTIALIAS)
            top = int((frame_image.size[1] - frame_height) / 2)
            frame_image = frame_image.crop((0, top, frame_width, top + frame_height))
        poster_image.paste(frame_image, (0, 0))

    # timeline
    timeline_width = poster_width
    timeline_height = 64
    timeline_image = Image.open(options['timeline'])
    timeline_image = timeline_image.resize((timeline_width, timeline_height), Image.ANTIALIAS)
    poster_image.paste(timeline_image, (0, frame_height))

    # text
    text_width = poster_width
    text_height = poster_height - frame_height - timeline_height
    text_top = frame_height + timeline_height
    text_bottom = text_top + text_height
    text_margin = 16
    text_color = get_oxdb_color(options['oxdb_id'], options['series'])
    font_color = tuple(map(lambda x: x - 128 if options['series'] else x + 128, text_color))
    draw.rectangle([(0, text_top), (text_width, text_bottom)], fill=text_color)
    offset_top = text_top + text_margin
    if not options['director']:
        title_max_lines = 7
    else:
        title_max_lines = min(len(wrapText(options['title'], text_width - 2 * text_margin, 0, font_file, font_size['large'])), 6)
        director_max_lines = 9 - int((title_max_lines * 3 - 1) / 2)
    if options['director']:
        lines = wrapText(options['director'], text_width - 2 * text_margin, director_max_lines, font_file, font_size['small'])
        for i, line in enumerate(lines):
            size = drawText(poster_image, (text_margin, offset_top), line, font_file, font_size['small'], font_color)
            offset_top += font_size['small'] + 2
        offset_top += size[1] - font_size['small'] + text_margin / 2
    lines = wrapText(options['title'], text_width - 2 * text_margin, title_max_lines, font_file, font_size['large'])
    for i, line in enumerate(lines):
        size = drawText(poster_image, (text_margin, offset_top + 5), line, font_file, font_size['large'], font_color)
        offset_top += font_size['large'] + 3
    offset_top += size[1] - font_size['small'] + text_margin / 2
    if options['year']:
        drawText(poster_image, (text_margin, offset_top), options['year'], font_file, font_size['small'], font_color)
    drawText(poster_image, (text_margin, text_bottom - text_margin - font_size['large'] + 2), options['oxdb_id'], font_file, font_size['large'], font_color)

    # logo
    logo_height = 32
    logo_image = Image.open(os.path.join(data_root, 'logo.poster.png'))
    logo_width = int(round(logo_height * logo_image.size[0] / logo_image.size[1]))
    logo_image = logo_image.resize((logo_width, logo_height), Image.ANTIALIAS)
    logo_left = text_width - text_margin - logo_width
    logo_top = text_bottom - text_margin - logo_height
    for y in range(logo_height):
        for x in range(logo_width):
            poster_color = poster_image.getpixel((logo_left + x, logo_top + y))
            logo_color = logo_image.getpixel((x, y))[0]
            alpha = logo_image.getpixel((x, y))[3]
            if options['series']:
                poster_color = tuple(map(lambda x: x - (logo_color - 16) * alpha / 255, poster_color))
            else:
                poster_color = tuple(map(lambda x: x + (logo_color - 16) * alpha / 255, poster_color))
            poster_image.putpixel((logo_left + x, logo_top + y), poster_color)

    poster_image.save(options['poster'])

def render_padma_poster(options):
    poster_width = 640
    poster_height = 1024
    poster_ratio = poster_width / poster_height
    poster_color = (255, 255, 0)
    poster_image = Image.new('RGB', (poster_width, poster_height))
    font_file = os.path.join(data_root, 'DejaVuSansCondensedBold.ttf')
    font_size = 48

    # timeline
    timeline_height = 64
    timeline_lines = 16
    timeline_image = Image.open(options['timeline'])
    timeline_image = timeline_image.resize((10240, timeline_height), Image.ANTIALIAS)
    for i in range(timeline_lines):
        line_image = timeline_image.crop((i * poster_width, 0, (i + 1) * poster_width, 64))
        poster_image.paste(line_image, (0, i * timeline_height))

    # id
    text = 'Pad.ma/' + options['id']
    text_image = Image.new('RGB', (1, 1))
    text_size = drawText(text_image, (0, 0), text, font_file, font_size, poster_color)
    text_width = poster_width
    text_height = timeline_height
    text_left = int((poster_width - text_width) / 2)
    text_top = 14 * timeline_height
    for y in range(text_top, text_top + text_height):
        for x in range(text_left, text_left + text_width):
            if y < text_top + 4 or y >= text_top + text_height - 4: 
                poster_image.putpixel((x, y), poster_color)
            else:
                pixel = list(poster_image.getpixel((x, y)))
                for c in range(3):
                    pixel[c] = (pixel[c] + poster_color[c]) / 4
                poster_image.putpixel((x, y), tuple(pixel))
    drawText(poster_image, ((poster_width - text_size[0]) / 2, text_top + (text_height - text_size[1]) / 2), text, font_file, font_size, poster_color)
    poster_image.save(options['poster'])