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| 1 <!DOCTYPE html> |
| 2 <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| 3 <title>OffscreenCanvas test: 2d.gradient.interpolate.multiple</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.gradient.interpolate.multiple</h1> |
| 9 <p class="desc"></p> |
| 10 |
| 11 |
| 12 <script> |
| 13 var t = async_test(""); |
| 14 t.step(function() { |
| 15 |
| 16 var offscreenCanvas = new OffscreenCanvas(100, 50); |
| 17 var ctx = offscreenCanvas.getContext('2d'); |
| 18 |
| 19 offscreenCanvas.width = 200; |
| 20 var g = ctx.createLinearGradient(0, 0, 200, 0); |
| 21 g.addColorStop(0, '#ff0'); |
| 22 g.addColorStop(0.5, '#0ff'); |
| 23 g.addColorStop(1, '#f0f'); |
| 24 ctx.fillStyle = g; |
| 25 ctx.fillRect(0, 0, 200, 50); |
| 26 _assertPixelApprox(offscreenCanvas, 50,25, 127,255,127,255, "50,25", "127,255,12
7,255", 3); |
| 27 _assertPixelApprox(offscreenCanvas, 100,25, 0,255,255,255, "100,25", "0,255,255,
255", 3); |
| 28 _assertPixelApprox(offscreenCanvas, 150,25, 127,127,255,255, "150,25", "127,127,
255,255", 3); |
| 29 |
| 30 t.done(); |
| 31 |
| 32 }); |
| 33 </script> |
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