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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <script src="../../../resources/testharness.js"></script> |
| 3 <script src="../../../resources/testharnessreport.js"></script> |
| 4 <script> |
| 5 |
| 6 function testCanvas_0f0(ctx) { |
| 7 var colorData = ctx.getImageData(50, 50, 1, 1).data; |
| 8 assert_equals(colorData[0], 0); |
| 9 assert_equals(colorData[1], 255); |
| 10 assert_equals(colorData[2], 0); |
| 11 assert_equals(colorData[3], 255); |
| 12 } |
| 13 |
| 14 function testDrawCanvasWithImageBitamp(image) { |
| 15 var dstCanvas = document.createElement('canvas'); |
| 16 dstCanvas.width = dstCanvas.height = 100; |
| 17 var dstCtx = dstCanvas.getContext('bitmaprenderer'); |
| 18 dstCtx.transferFromImageBitmap(image); |
| 19 |
| 20 var myCanvas = document.createElement('canvas'); |
| 21 myCanvas.width = myCanvas.height = 100; |
| 22 var myCtx = myCanvas.getContext('2d'); |
| 23 myCtx.drawImage(dstCanvas, 10, 10); |
| 24 testCanvas_0f0(myCtx); |
| 25 } |
| 26 |
| 27 promise_test(function() { |
| 28 var canvas = document.createElement('canvas'); |
| 29 canvas.width = canvas.height = 100; |
| 30 var ctx = canvas.getContext('2d'); |
| 31 ctx.fillStyle = '#0f0'; |
| 32 ctx.fillRect(0, 0, 100, 100); |
| 33 testCanvas_0f0(ctx); |
| 34 |
| 35 return createImageBitmap(canvas).then(testDrawCanvasWithImageBitamp); |
| 36 }, 'testDrawCanvasWithImageBitamp should not return any error'); |
| 37 |
| 38 </script> |
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Chromium Code Reviews
Issue 2267653005:
Resolving drawImage issue with canvases that contain bitmap images (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master