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| 1 <!DOCTYPE HTML> | 1 <script src="../../resources/testharness.js"></script> |
| 2 <html> | 2 <script src="../../resources/testharnessreport.js"></script> |
| 3 <head> | 3 <script type="text/javascript" src="canvas-blending-helpers.js"></script> |
| 4 <script type="text/javascript"> | 4 <script> |
| 5 if (window.testRunner) | 5 async_test(function(t) { |
| 6 testRunner.waitUntilDone(); | 6 function drawElement(context, i) { |
| 7 window.jsTestIsAsync = true | 7 if (i >= blendModes.length) { |
| 8 </script> | 8 t.done(); |
| 9 </head> | 9 return; |
| 10 <body> | 10 } |
| 11 <script src="../../resources/js-test.js"></script> | 11 context.clearRect(0, 0, 10, 10); |
| 12 <script type="text/javascript" src="canvas-blending-helpers.js"></script> | 12 context.save(); |
| 13 <script type="text/javascript"> | 13 drawBackdropColorGradientInContext(context); |
| 14 context.globalCompositeOperation = blendModes[i]; |
| 14 | 15 |
| 15 description("Series of tests to ensure correct results on applying diffe
rent blend modes when drawing a pattern on top of an gradient."); | 16 drawSourceColorPatternInContext(context, function() { |
| 17 t.step(function () { |
| 18 checkBlendModeResult(i, context, 5); |
| 19 }); |
| 20 context.restore(); |
| 21 drawElement(context, ++i); |
| 22 }); |
| 23 } |
| 16 | 24 |
| 17 var context; | 25 var canvas = document.createElement('canvas'); |
| 18 function actualColor(x, y) { | 26 var sigma = 5; |
| 19 return context.getImageData(x, y, 1, 1).data; | 27 canvas.width = 10; |
| 20 } | 28 canvas.height = 10; |
| 29 context = canvas.getContext('2d'); |
| 30 drawElement(context, 0); |
| 21 | 31 |
| 22 function checkBlendModeResult(i, context, sigma) { | 32 }, 'Series of tests to ensure correct results on applying different blend modes
when drawing a pattern on top of an gradient.'); |
| 23 var expectedColor = blendColors([129 / 255, 1, 129 / 255, 1], [1, 12
9 / 255, 129 / 255, 1], i); | 33 </script> |
| 24 var ac = "actualColor(0, 0)"; | |
| 25 shouldBeCloseTo(ac + "[0]", expectedColor[0], sigma); | |
| 26 shouldBeCloseTo(ac + "[1]", expectedColor[1], sigma); | |
| 27 shouldBeCloseTo(ac + "[2]", expectedColor[2], sigma); | |
| 28 shouldBeCloseTo(ac + "[3]", expectedColor[3], sigma); | |
| 29 } | |
| 30 | |
| 31 function drawElement(context, i) { | |
| 32 if (i >= blendModes.length) { | |
| 33 finishJSTest(); | |
| 34 return; | |
| 35 } | |
| 36 debug("Testing blend mode " + blendModes[i]); | |
| 37 | |
| 38 context.clearRect(0, 0, 10, 10); | |
| 39 context.save(); | |
| 40 drawBackdropColorGradientInContext(context); | |
| 41 context.globalCompositeOperation = blendModes[i]; | |
| 42 | |
| 43 drawSourceColorPatternInContext(context, function() { | |
| 44 checkBlendModeResult(i, context, 5); | |
| 45 context.restore(); | |
| 46 debug(''); | |
| 47 drawElement(context, ++i); | |
| 48 }); | |
| 49 } | |
| 50 | |
| 51 function runTest() { | |
| 52 var canvas = document.createElement("canvas"); | |
| 53 var sigma = 5; | |
| 54 canvas.width = 10; | |
| 55 canvas.height = 10; | |
| 56 context = canvas.getContext("2d"); | |
| 57 drawElement(context, 0); | |
| 58 } | |
| 59 | |
| 60 runTest(); | |
| 61 </script> | |
| 62 </body> | |
| 63 </html> | |
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