2d.path.arc.shape.2.html (1202B)
1 <!DOCTYPE html> 2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> 3 <meta charset="UTF-8"> 4 <title>OffscreenCanvas test: 2d.path.arc.shape.2</title> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <script src="/html/canvas/resources/canvas-tests.js"></script> 8 9 <h1>2d.path.arc.shape.2</h1> 10 <p class="desc">arc() from 0 to pi draws stuff in the right half</p> 11 12 13 <script> 14 var t = async_test("arc() from 0 to pi draws stuff in the right half"); 15 var t_pass = t.done.bind(t); 16 var t_fail = t.step_func(function(reason) { 17 throw reason; 18 }); 19 t.step(function() { 20 21 var canvas = new OffscreenCanvas(100, 50); 22 var ctx = canvas.getContext('2d'); 23 24 ctx.fillStyle = '#f00'; 25 ctx.fillRect(0, 0, 100, 50); 26 ctx.lineWidth = 100; 27 ctx.strokeStyle = '#0f0'; 28 ctx.beginPath(); 29 ctx.arc(50, 50, 50, 0, Math.PI, true); 30 ctx.stroke(); 31 _assertPixel(canvas, 50,25, 0,255,0,255); 32 _assertPixel(canvas, 1,1, 0,255,0,255); 33 _assertPixel(canvas, 98,1, 0,255,0,255); 34 _assertPixel(canvas, 1,48, 0,255,0,255); 35 _assertPixel(canvas, 20,48, 0,255,0,255); 36 _assertPixel(canvas, 98,48, 0,255,0,255); 37 t.done(); 38 39 }); 40 </script>