| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.path.arc.shape.1</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/2dcontext/resources/canvas-tests.js"></script> |
| |
| <h1>2d.path.arc.shape.1</h1> |
| <p class="desc">arc() from 0 to pi does not draw anything in the wrong half</p> |
| |
| |
| <script> |
| var t = async_test("arc() from 0 to pi does not draw anything in the wrong half"); |
| t.step(function() { |
| |
| var offscreenCanvas = new OffscreenCanvas(100, 50); |
| var ctx = offscreenCanvas.getContext('2d'); |
| |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, 100, 50); |
| ctx.lineWidth = 50; |
| ctx.strokeStyle = '#f00'; |
| ctx.beginPath(); |
| ctx.arc(50, 50, 50, 0, Math.PI, false); |
| ctx.stroke(); |
| _assertPixel(offscreenCanvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255"); |
| _assertPixel(offscreenCanvas, 1,1, 0,255,0,255, "1,1", "0,255,0,255"); |
| _assertPixel(offscreenCanvas, 98,1, 0,255,0,255, "98,1", "0,255,0,255"); |
| _assertPixel(offscreenCanvas, 1,48, 0,255,0,255, "1,48", "0,255,0,255"); |
| _assertPixel(offscreenCanvas, 20,48, 0,255,0,255, "20,48", "0,255,0,255"); |
| _assertPixel(offscreenCanvas, 98,48, 0,255,0,255, "98,48", "0,255,0,255"); |
| |
| t.done(); |
| |
| }); |
| </script> |
