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| 1 // DO NOT EDIT! This test has been generated by tools/gentest.py. |
| 2 // OffscreenCanvas test in a worker:2d.composite.globalAlpha.canvaspattern |
| 3 // Description: |
| 4 // Note: |
| 5 |
| 6 importScripts("/resources/testharness.js"); |
| 7 importScripts("/common/canvas-tests.js"); |
| 8 |
| 9 var t = async_test(""); |
| 10 t.step(function() { |
| 11 |
| 12 var offscreenCanvas = new OffscreenCanvas(100, 50); |
| 13 var ctx = offscreenCanvas.getContext('2d'); |
| 14 |
| 15 var offscreenCanvas2 = new OffscreenCanvas(100, 50); |
| 16 var ctx2 = offscreenCanvas2.getContext('2d'); |
| 17 ctx2.fillStyle = '#f00'; |
| 18 ctx2.fillRect(0, 0, 100, 50); |
| 19 ctx.fillStyle = '#0f0'; |
| 20 ctx.fillRect(0, 0, 100, 50); |
| 21 ctx.fillStyle = ctx.createPattern(offscreenCanvas2, 'no-repeat'); |
| 22 ctx.globalAlpha = 0.01; // avoid any potential alpha=0 optimisations |
| 23 ctx.fillRect(0, 0, 100, 50); |
| 24 _assertPixelApprox(offscreenCanvas, 50,25, 2,253,0,255, "50,25", "2,253,0,255",
2); |
| 25 |
| 26 t.done(); |
| 27 |
| 28 }); |
| 29 done(); |
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