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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.overlap</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.overlap</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, '#f00'); | |
22 g.addColorStop(0, '#ff0'); | |
23 g.addColorStop(0.25, '#00f'); | |
24 g.addColorStop(0.25, '#0f0'); | |
25 g.addColorStop(0.25, '#0f0'); | |
26 g.addColorStop(0.25, '#0f0'); | |
27 g.addColorStop(0.25, '#ff0'); | |
28 g.addColorStop(0.5, '#00f'); | |
29 g.addColorStop(0.5, '#0f0'); | |
30 g.addColorStop(0.75, '#00f'); | |
31 g.addColorStop(0.75, '#f00'); | |
32 g.addColorStop(0.75, '#ff0'); | |
33 g.addColorStop(0.5, '#0f0'); | |
34 g.addColorStop(0.5, '#0f0'); | |
35 g.addColorStop(0.5, '#ff0'); | |
36 g.addColorStop(1, '#00f'); | |
37 ctx.fillStyle = g; | |
38 ctx.fillRect(0, 0, 200, 50); | |
39 _assertPixelApprox(offscreenCanvas, 49,25, 0,0,255,255, "49,25", "0,0,255,255",
16); | |
40 _assertPixelApprox(offscreenCanvas, 51,25, 255,255,0,255, "51,25", "255,255,0,25
5", 16); | |
41 _assertPixelApprox(offscreenCanvas, 99,25, 0,0,255,255, "99,25", "0,0,255,255",
16); | |
42 _assertPixelApprox(offscreenCanvas, 101,25, 255,255,0,255, "101,25", "255,255,0,
255", 16); | |
43 _assertPixelApprox(offscreenCanvas, 149,25, 0,0,255,255, "149,25", "0,0,255,255"
, 16); | |
44 _assertPixelApprox(offscreenCanvas, 151,25, 255,255,0,255, "151,25", "255,255,0,
255", 16); | |
45 | |
46 t.done(); | |
47 | |
48 }); | |
49 </script> | |
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