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ARGB non dataview.js
34 lines (29 loc) · 1.4 KB
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ARGB non dataview.js
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function doit(path, doc) {
var path_data = {};
//path is path to a image like 'http://api.flattr.com/button/flattr-badge-large.png'
path_data[path] = {};
path_data[path].Image = new Image();
path_data[path].Image.onload = function() {
console.log('Succesfully loaded image and stored data of path: "' + path + '"');
var canvas = doc.createElementNS('http://www.w3.org/1999/xhtml', 'canvas');
canvas.width = path_data[path].Image.naturalWidth;
canvas.height = path_data[path].Image.naturalHeight;
var ctx = canvas.getContext('2d');
ctx.drawImage(path_data[path].Image, 0, 0);
var ARGBpixmap = [16, 16];
var image_data = ctx.getImageData(0, 0, can.width, can.height);
for (var x = 0; x < image_data.width; x++) {
for (var y = 0; y < image_data.height; y++) {
var i = x * 4 + y * 4 * image_data.width;
var r = image_data.data[i];
var g = image_data.data[i + 1];
var b = image_data.data[i + 2];
var a = image_data.data[i + 3];
ARGBpixmap.push(((a << 24) + (r << 16) + (g << 8) + b) >>> 0);
}
}
console.log(ARGBpixmap.toString());
}
path_data[path].Image.src = path;
}
doit(OS.Path.toFileURI(OS.Path.join('C:', 'Users', 'Vayeate', 'Pictures', 'profilist-ff-channel-logos', 'dev48.png')), document);