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comparison: content/canvas/test/test_2d.composite.clip.xor.html
content/canvas/test/test_2d.composite.clip.xor.html
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| -1:000000000000 | 0:17101ade5b42 |
|---|---|
| 1 <!DOCTYPE HTML> | |
| 2 <title>Canvas test: 2d.composite.clip.xor</title> | |
| 3 <!-- Testing: fill() does not affect pixels outside the clip region. --> | |
| 4 <script src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 5 <link rel="stylesheet" href="/tests/SimpleTest/test.css"> | |
| 6 <body> | |
| 7 <canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> | |
| 8 <script> | |
| 9 function isPixel(ctx, x,y, r,g,b,a, pos, colour, d) { | |
| 10 var pixel = ctx.getImageData(x, y, 1, 1); | |
| 11 var pr = pixel.data[0], | |
| 12 pg = pixel.data[1], | |
| 13 pb = pixel.data[2], | |
| 14 pa = pixel.data[3]; | |
| 15 ok(r-d <= pr && pr <= r+d && | |
| 16 g-d <= pg && pg <= g+d && | |
| 17 b-d <= pb && pb <= b+d && | |
| 18 a-d <= pa && pa <= a+d, | |
| 19 "pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d); | |
| 20 } | |
| 21 | |
| 22 SimpleTest.waitForExplicitFinish(); | |
| 23 addLoadEvent(function () { | |
| 24 | |
| 25 var canvas = document.getElementById('c'); | |
| 26 var ctx = canvas.getContext('2d'); | |
| 27 | |
| 28 | |
| 29 ctx.fillStyle = '#0f0'; | |
| 30 ctx.fillRect(0, 0, 100, 50); | |
| 31 ctx.globalCompositeOperation = 'xor'; | |
| 32 ctx.rect(-20, -20, 10, 10); | |
| 33 ctx.clip(); | |
| 34 ctx.fillStyle = '#f00'; | |
| 35 ctx.fillRect(0, 0, 50, 50); | |
| 36 isPixel(ctx, 25,25, 0,255,0,255, "25,25", "0,255,0,255", 0); | |
| 37 isPixel(ctx, 75,25, 0,255,0,255, "75,25", "0,255,0,255", 0); | |
| 38 | |
| 39 SimpleTest.finish(); | |
| 40 | |
| 41 }); | |
| 42 </script> | |
| 43 |
