third_party/WebKit/LayoutTests/fast/canvas/imagebitmap/transferImageBitmap-null.html - Issue 1775153002: Make OffscreenCanvasRenderingContext2D renderable on a worker

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/canvas/imagebitmap/transferImageBitmap-null.html

Issue 1775153002: Make OffscreenCanvasRenderingContext2D renderable on a worker (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: fix non-oilpan build Created 4 years, 9 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <canvas id = 'dstCanvas' width='100' height='100' style='background-color:red;'> </canvas>	2 <canvas id = 'dstCanvas' width='100' height='100' style='background-color: green '></canvas>

3 <script>	3 <script>

4 if (window.testRunner) {	4 if (window.testRunner) {

5 testRunner.waitUntilDone();	5 testRunner.waitUntilDone();

6 }	6 }

7 var srcCanvas = document.createElement('canvas');	7 var srcCanvas = document.createElement('canvas');

8 srcCanvas.width = srcCanvas.height = 100;	8 srcCanvas.width = srcCanvas.height = 100;

9 var ctx = srcCanvas.getContext('2d');	9 var ctx = srcCanvas.getContext('2d');

10 ctx.fillStyle = 'rgba(0, 255, 0, 0.5)';	10 ctx.fillStyle = 'red';

11 ctx.fillRect(0, 0, 100, 100);	11 ctx.fillRect(0, 0, 100, 100);

12 createImageBitmap(srcCanvas).then(consumeImageBitmap)	12 createImageBitmap(srcCanvas).then(consumeImageBitmap)

13	13

14 function consumeImageBitmap(image) {	14 function consumeImageBitmap(image) {

15 var dstCanvas = document.getElementById('dstCanvas');	15 var dstCanvas = document.getElementById('dstCanvas');

16 var dstCtx = dstCanvas.getContext('imagebitmap', { alpha: true });	16 var dstCtx = dstCanvas.getContext('imagebitmap');

17 dstCtx.transferImageBitmap(image);	17 dstCtx.transferImageBitmap(image);

	18 dstCtx.transferImageBitmap(null);

18 if (window.testRunner) {	19 if (window.testRunner) {

19 testRunner.notifyDone();	20 testRunner.notifyDone();

20 }	21 }

21 }	22 }

22 </script>	23 </script>

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