| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.shadow.gradient.alpha</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| |
| <h1>2d.shadow.gradient.alpha</h1> |
| <p class="desc">Shadows are drawn correctly for partially-transparent gradient fills</p> |
| |
| |
| <script> |
| var t = async_test("Shadows are drawn correctly for partially-transparent gradient fills"); |
| var t_pass = t.done.bind(t); |
| var t_fail = t.step_func(function(reason) { |
| throw reason; |
| }); |
| t.step(function() { |
| |
| var canvas = new OffscreenCanvas(100, 50); |
| var ctx = canvas.getContext('2d'); |
| |
| var gradient = ctx.createLinearGradient(0, 0, 100, 0); |
| gradient.addColorStop(0, 'rgba(255,0,0,0.5)'); |
| gradient.addColorStop(1, 'rgba(255,0,0,0.5)'); |
| ctx.fillStyle = '#f00'; |
| ctx.fillRect(0, 0, 100, 50); |
| ctx.shadowOffsetY = 50; |
| ctx.shadowColor = '#00f'; |
| ctx.fillStyle = gradient; |
| ctx.fillRect(0, -50, 100, 50); |
| _assertPixelApprox(canvas, 50,25, 127,0,127,255, 2); |
| t.done(); |
| |
| }); |
| </script> |