|
var plask = require('plask');
|
var fs = require('fs');
|
var omggif = require('./omggif');
|
|
if (process.argv.length < 3) throw "Usage: <filename.gif>";
|
var buf = fs.readFileSync(process.argv[2]);
|
var gr = new omggif.GifReader(buf);
|
|
var pixels = plask.SkCanvas.create(gr.width, gr.height);
|
|
plask.simpleWindow({
|
settings: {
|
width: 800,
|
height: 600
|
},
|
|
init: function() {
|
var canvas = this.canvas, paint = this.paint;
|
|
canvas.clear(230, 230, 230, 255); // Draw the background, just once.
|
},
|
|
draw: function() {
|
var canvas = this.canvas, paint = this.paint;
|
|
var frame_num = this.framenum % gr.numFrames();
|
var frame_info = gr.frameInfo(frame_num);
|
|
if (frame_num === 0 || frame_info.disposal === 2 /* restore to bg */)
|
pixels.clear(0, 0, 0, 255);
|
|
var start = Date.now();
|
gr.decodeAndBlitFrameBGRA(frame_num, pixels.pixels || pixels);
|
console.log('Decoded and blit frame in: ' + (Date.now() - start) + 'ms');
|
|
canvas.drawCanvas(paint, pixels, 0, 0, gr.width, gr.height);
|
|
var this_ = this;
|
setTimeout(function() { this_.redraw(); }, frame_info.delay * 10);
|
}
|
});
|
