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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.composite.clip.source-atop</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.composite.clip.source-atop</h1> | |
9 <p class="desc">fill() does not affect pixels outside the clip region.</p> | |
10 | |
11 | |
12 <script> | |
13 var t = async_test("fill() does not affect pixels outside the clip region."); | |
14 t.step(function() { | |
15 | |
16 var offscreenCanvas = new OffscreenCanvas(100, 50); | |
17 var ctx = offscreenCanvas.getContext('2d'); | |
18 | |
19 | |
20 ctx.fillStyle = '#0f0'; | |
21 ctx.fillRect(0, 0, 100, 50); | |
22 ctx.globalCompositeOperation = 'source-atop'; | |
23 ctx.rect(-20, -20, 10, 10); | |
24 ctx.clip(); | |
25 ctx.fillStyle = '#f00'; | |
26 ctx.fillRect(0, 0, 50, 50); | |
27 _assertPixel(offscreenCanvas, 25,25, 0,255,0,255, "25,25", "0,255,0,255"); | |
28 _assertPixel(offscreenCanvas, 75,25, 0,255,0,255, "75,25", "0,255,0,255"); | |
29 | |
30 t.done(); | |
31 | |
32 }); | |
33 </script> | |
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