content/canvas/test/test_2d.composite.canvas.hard-light.html@deefc01c0e14
content/canvas/test/test_2d.composite.canvas.hard-light.html
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
1 <!DOCTYPE HTML>
2 <title>Canvas test: 2d.composite.canvas.xor</title>
3 <script src="/tests/SimpleTest/SimpleTest.js"></script>
4 <link rel="stylesheet" href="/tests/SimpleTest/test.css">
5 <body>
6 <canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
7 <script>
8 function isPixel(ctx, x,y, r,g,b,a, pos, colour, d) {
9 var pixel = ctx.getImageData(x, y, 1, 1);
10 var pr = pixel.data[0],
11 pg = pixel.data[1],
12 pb = pixel.data[2],
13 pa = pixel.data[3];
14 ok(r-d <= pr && pr <= r+d &&
15 g-d <= pg && pg <= g+d &&
16 b-d <= pb && pb <= b+d &&
17 a-d <= pa && pa <= a+d,
18 "pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d);
19 }
21 SimpleTest.waitForExplicitFinish();
22 addLoadEvent(function () {
24 var canvas = document.getElementById('c');
25 var ctx = canvas.getContext('2d');
28 var canvas2 = document.createElement('canvas');
29 canvas2.width = canvas.width;
30 canvas2.height = canvas.height;
31 var ctx2 = canvas2.getContext('2d');
32 ctx2.drawImage(document.getElementById('yellow75.png'), 0, 0);
33 ctx.fillStyle = 'rgba(0, 255, 255, 0.5)';
34 ctx.fillRect(0, 0, 100, 50);
35 ctx.globalCompositeOperation = 'hard-light';
36 ctx.drawImage(canvas2, 0, 0);
37 isPixel(ctx, 50,25, 218,255,36,223, "50,25", "218,255,36,223", 5);
39 SimpleTest.finish();
41 });
42 </script>
43 <img src="image_yellow75.png" id="yellow75.png" class="resource">
