| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.gradient.interpolate.overlap</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/2dcontext/resources/canvas-tests.js"></script> |
| |
| <h1>2d.gradient.interpolate.overlap</h1> |
| <p class="desc"></p> |
| |
| |
| <script> |
| var t = async_test(""); |
| t.step(function() { |
| |
| var offscreenCanvas = new OffscreenCanvas(100, 50); |
| var ctx = offscreenCanvas.getContext('2d'); |
| |
| offscreenCanvas.width = 200; |
| var g = ctx.createLinearGradient(0, 0, 200, 0); |
| g.addColorStop(0, '#f00'); |
| g.addColorStop(0, '#ff0'); |
| g.addColorStop(0.25, '#00f'); |
| g.addColorStop(0.25, '#0f0'); |
| g.addColorStop(0.25, '#0f0'); |
| g.addColorStop(0.25, '#0f0'); |
| g.addColorStop(0.25, '#ff0'); |
| g.addColorStop(0.5, '#00f'); |
| g.addColorStop(0.5, '#0f0'); |
| g.addColorStop(0.75, '#00f'); |
| g.addColorStop(0.75, '#f00'); |
| g.addColorStop(0.75, '#ff0'); |
| g.addColorStop(0.5, '#0f0'); |
| g.addColorStop(0.5, '#0f0'); |
| g.addColorStop(0.5, '#ff0'); |
| g.addColorStop(1, '#00f'); |
| ctx.fillStyle = g; |
| ctx.fillRect(0, 0, 200, 50); |
| _assertPixelApprox(offscreenCanvas, 49,25, 0,0,255,255, "49,25", "0,0,255,255", 16); |
| _assertPixelApprox(offscreenCanvas, 51,25, 255,255,0,255, "51,25", "255,255,0,255", 16); |
| _assertPixelApprox(offscreenCanvas, 99,25, 0,0,255,255, "99,25", "0,0,255,255", 16); |
| _assertPixelApprox(offscreenCanvas, 101,25, 255,255,0,255, "101,25", "255,255,0,255", 16); |
| _assertPixelApprox(offscreenCanvas, 149,25, 0,0,255,255, "149,25", "0,0,255,255", 16); |
| _assertPixelApprox(offscreenCanvas, 151,25, 255,255,0,255, "151,25", "255,255,0,255", 16); |
| |
| t.done(); |
| |
| }); |
| </script> |
