| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <meta charset="UTF-8"> |
| <title>OffscreenCanvas test: 2d.path.open.arc</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| |
| <h1>2d.path.open.arc</h1> |
| <p class="desc">line caps should be drawn on open arcs</p> |
| |
| |
| <script> |
| var t = async_test("line caps should be drawn on open arcs"); |
| var t_pass = t.done.bind(t); |
| var t_fail = t.step_func(function(reason) { |
| throw reason; |
| }); |
| t.step(function() { |
| |
| var canvas = new OffscreenCanvas(300, 300); |
| var ctx = canvas.getContext('2d'); |
| |
| ctx.beginPath(); |
| ctx.strokeStyle = 'red'; |
| ctx.lineWidth = 20; |
| ctx.lineCap = 'square'; |
| ctx.arc(150, 150, 50, 0, 2 * Math.PI); |
| ctx.stroke(); |
| // The pixel (209, 148) is part of the line cap, but not part of the circle. |
| // Linecap is drawn with 360 degree arc, so the pixel is red. |
| _assertPixelApprox(canvas, 209,148, 255,0,0,255, 1); |
| t.done(); |
| |
| }); |
| </script> |
