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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| 3 <title>OffscreenCanvas test: 2d.imageData.put.created</title> |
| 4 <script src="/resources/testharness.js"></script> |
| 5 <script src="/resources/testharnessreport.js"></script> |
| 6 <script src="/common/canvas-tests.js"></script> |
| 7 |
| 8 <h1>2d.imageData.put.created</h1> |
| 9 <p class="desc">putImageData() puts image data from createImageData() onto the c
anvas</p> |
| 10 |
| 11 |
| 12 <script> |
| 13 var t = async_test("putImageData() puts image data from createImageData() onto t
he canvas"); |
| 14 t.step(function() { |
| 15 |
| 16 var offscreenCanvas = new OffscreenCanvas(100, 50); |
| 17 var ctx = offscreenCanvas.getContext('2d'); |
| 18 |
| 19 var imgdata = ctx.createImageData(100, 50); |
| 20 for (var i = 0; i < imgdata.data.length; i += 4) { |
| 21 imgdata.data[i] = 0; |
| 22 imgdata.data[i+1] = 255; |
| 23 imgdata.data[i+2] = 0; |
| 24 imgdata.data[i+3] = 255; |
| 25 } |
| 26 ctx.fillStyle = '#f00'; |
| 27 ctx.fillRect(0, 0, 100, 50) |
| 28 ctx.putImageData(imgdata, 0, 0); |
| 29 _assertPixelApprox(offscreenCanvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255",
2); |
| 30 |
| 31 t.done(); |
| 32 |
| 33 }); |
| 34 </script> |
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Chromium Code Reviews
Issue 2550713004:
Import wpt@5915964199b07226bf6d8fbb177a63b1f272907a (Closed)
