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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.overlap2</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.overlap2</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 var g = ctx.createLinearGradient(0, 0, 100, 0); |
| 20 var ps = [ 0, 1/10, 1/4, 1/3, 1/2, 3/4, 1 ]; |
| 21 for (var p = 0; p < ps.length; ++p) |
| 22 { |
| 23 g.addColorStop(ps[p], '#0f0'); |
| 24 for (var i = 0; i < 15; ++i) |
| 25 g.addColorStop(ps[p], '#f00'); |
| 26 g.addColorStop(ps[p], '#0f0'); |
| 27 } |
| 28 ctx.fillStyle = g; |
| 29 ctx.fillRect(0, 0, 100, 50); |
| 30 _assertPixel(offscreenCanvas, 1,25, 0,255,0,255, "1,25", "0,255,0,255"); |
| 31 _assertPixel(offscreenCanvas, 30,25, 0,255,0,255, "30,25", "0,255,0,255"); |
| 32 _assertPixel(offscreenCanvas, 40,25, 0,255,0,255, "40,25", "0,255,0,255"); |
| 33 _assertPixel(offscreenCanvas, 60,25, 0,255,0,255, "60,25", "0,255,0,255"); |
| 34 _assertPixel(offscreenCanvas, 80,25, 0,255,0,255, "80,25", "0,255,0,255"); |
| 35 |
| 36 t.done(); |
| 37 |
| 38 }); |
| 39 </script> |
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