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(Empty) | |
1 <!DOCTYPE html> | |
2 <canvas id = 'dstCanvas' width='100' height='100' style='background-color:red;'> </canvas> | |
3 <script> | |
4 if (window.testRunner) { | |
5 testRunner.waitUntilDone(); | |
Stephen White
2016/02/10 15:34:55
Ibid.
| |
6 } | |
7 var srcCanvas = document.createElement('canvas'); | |
8 srcCanvas.width = srcCanvas.height = 100; | |
9 var ctx = srcCanvas.getContext('2d'); | |
10 ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'; | |
11 ctx.fillRect(0, 0, 100, 100); | |
12 createImageBitmap(srcCanvas).then(consumeImageBitmap) | |
13 | |
14 function consumeImageBitmap(image) { | |
15 var dstCanvas = document.getElementById('dstCanvas'); | |
Stephen White
2016/02/10 15:34:55
Ibid.
| |
16 var dstCtx = dstCanvas.getContext('imagebitmap', { alpha: false }); | |
17 dstCtx.transferImageBitmap(image); | |
18 if (window.testRunner) { | |
19 testRunner.notifyDone(); | |
20 } | |
21 } | |
22 </script> | |
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