oxjs/demos/image/js/image.js
2011-09-08 21:39:07 +00:00

69 lines
No EOL
2.8 KiB
JavaScript

Ox.load('Image', function() {
// see http://en.wikipedia.org/wiki/Lenna
Ox.Image('png/Lenna.png', function(image) {
var body = Ox.element('body'),
select = Ox.element('<select>').appendTo(body);
[
'Method...', 'blur(1)', 'blur(5)',
'channel("r")', 'channel("g")', 'channel("b")', 'channel("a")',
'channel("h")', 'channel("s")', 'channel("l")',
'contour()', 'depth(1)', 'depth(4)', 'edges()', 'emboss()',
'encode("secret")', 'decode()',
'encode("secret", false)', 'decode(false)',
'encode("secret", 1)', 'decode(1)',
'encode("secret", false, 15)', 'decode(false, 15)',
'encode("secret", 127)', 'decode(127)',
'hue(-60)', 'hue(60)',
'invert()',
'lightness(-0.5)', 'lightness(0.5)',
'motionBlur()', 'posterize()',
'resize(256, 256)', 'resize(512, 512)',
'saturation(-0.5)', 'saturation(0.5)',
'sharpen()', 'solarize()',
'src("png/Lenna.png")', 'src("png/OxJS.png")'
].forEach(function(filter) {
Ox.element('<option>').html(filter).appendTo(select);
});
select[0].onchange = function() {
if (select[0].value[0] == select[0].value[0].toLowerCase()) {
var split = select[0].value.split('('),
fn = split[0],
args = split[1].length == 1 ? []
: split[1].split(')')[0].split(', ').map(function(v) {
return v == 'true' ? true
: v == 'false'? false
: v[0] == '"' ? v.split('"')[1]
: parseFloat(v);
});
if (fn == 'encode' || fn == 'src') {
image[fn].apply(null, Ox.merge(args, function(image) {
Ox.element('#filter').attr({
src: image.src()
});
}));
} else if (fn == 'decode') {
image[fn].apply(null, Ox.merge(args, function(str) {
alert(str);
}));
} else {
Ox.element('#filter').attr({
src: image[fn].apply(null, args).src()
});
}
select[0].selectedIndex = 0;
}
}
Ox.element('<br>').appendTo(body);
Ox.element('<img>').attr({
src: image.src()
}).appendTo(body);
Ox.element('<img>').attr({
id: 'filter',
src: image.src()
}).appendTo(body);
//Ox.element('<img>').attr({src: image.saturation(0.5).blur().url()}).appendTo(Ox.element('body'));
});
});