| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.gradient.radial.cone.shape2</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| |
| <h1>2d.gradient.radial.cone.shape2</h1> |
| <p class="desc"></p> |
| |
| |
| <script> |
| var t = async_test(""); |
| 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 tol = 1; // tolerance to avoid antialiasing artifacts |
| |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, 100, 50); |
| |
| var g = ctx.createRadialGradient(30+10*5/2, 40, 10*3/2, 30+10*15/4, 40, 10*9/4); |
| g.addColorStop(0, '#f00'); |
| g.addColorStop(1, '#f00'); |
| ctx.fillStyle = g; |
| ctx.fillRect(0, 0, 100, 50); |
| |
| ctx.fillStyle = '#0f0'; |
| ctx.beginPath(); |
| ctx.moveTo(30-tol, 40); |
| ctx.lineTo(110, -20-tol); |
| ctx.lineTo(110, 100+tol); |
| ctx.fill(); |
| |
| _assertPixel(canvas, 1,1, 0,255,0,255); |
| _assertPixel(canvas, 50,1, 0,255,0,255); |
| _assertPixel(canvas, 98,1, 0,255,0,255); |
| _assertPixel(canvas, 1,25, 0,255,0,255); |
| _assertPixel(canvas, 50,25, 0,255,0,255); |
| _assertPixel(canvas, 98,25, 0,255,0,255); |
| _assertPixel(canvas, 1,48, 0,255,0,255); |
| _assertPixel(canvas, 50,48, 0,255,0,255); |
| _assertPixel(canvas, 98,48, 0,255,0,255); |
| t.done(); |
| |
| }); |
| </script> |
