| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.composite.clip.source-out</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/2dcontext/resources/canvas-tests.js"></script> |
| |
| <h1>2d.composite.clip.source-out</h1> |
| <p class="desc">fill() does not affect pixels outside the clip region.</p> |
| |
| |
| <script> |
| var t = async_test("fill() does not affect pixels outside the clip region."); |
| t.step(function() { |
| |
| var offscreenCanvas = new OffscreenCanvas(100, 50); |
| var ctx = offscreenCanvas.getContext('2d'); |
| |
| |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, 100, 50); |
| ctx.globalCompositeOperation = 'source-out'; |
| ctx.rect(-20, -20, 10, 10); |
| ctx.clip(); |
| ctx.fillStyle = '#f00'; |
| ctx.fillRect(0, 0, 50, 50); |
| _assertPixel(offscreenCanvas, 25,25, 0,255,0,255, "25,25", "0,255,0,255"); |
| _assertPixel(offscreenCanvas, 75,25, 0,255,0,255, "75,25", "0,255,0,255"); |
| |
| t.done(); |
| |
| }); |
| </script> |
