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comparison: content/canvas/test/test_2d.fillText.gradient.html
content/canvas/test/test_2d.fillText.gradient.html
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| -1:000000000000 | 0:4d6e4ecd70fb |
|---|---|
| 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 } | |
| 20 | |
| 21 SimpleTest.waitForExplicitFinish(); | |
| 22 addLoadEvent(function () { | |
| 23 | |
| 24 var canvas = document.getElementById('c'); | |
| 25 var ctx = canvas.getContext('2d'); | |
| 26 var text = "I"; | |
| 27 var colorTop = 'rgba(255,0,0,1)'; | |
| 28 var colorBottom = 'rgba(0,255,0,1)'; | |
| 29 var inset = 10; | |
| 30 var grad = ctx.createLinearGradient(inset, inset, inset, inset + 30); | |
| 31 | |
| 32 // add color stops | |
| 33 grad.addColorStop(0, colorTop); | |
| 34 grad.addColorStop(1, colorBottom); | |
| 35 | |
| 36 ctx.fillStyle = grad; | |
| 37 ctx.textBaseline = 'top'; | |
| 38 ctx.font = '110px sans-serif' | |
| 39 ctx.fillText(text, -10, -20); | |
| 40 ctx.fillText(text, -8, -20); | |
| 41 ctx.fillText(text, -6, -20); | |
| 42 ctx.fillText(text, -4, -20); | |
| 43 ctx.fillText(text, -2, -20); | |
| 44 ctx.fillText(text, 0, -20); | |
| 45 ctx.fillText(text, 2, -20); | |
| 46 ctx.fillText(text, 4, -20); | |
| 47 ctx.fillText(text, 6, -20); | |
| 48 | |
| 49 isPixel(ctx, 15,0, 255,0,0,255, "15,0", "255,0,0,255", 5); | |
| 50 isPixel(ctx, 15,49, 0,255,0,255, "15,49", "0,255,0,255", 5); | |
| 51 SimpleTest.finish(); | |
| 52 | |
| 53 }); | |
| 54 </script> | |
| 55 |
