2d.path.arc.selfintersect.2.html (1303B)
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.selfintersect.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.selfintersect.2</h1> 10 <p class="desc">arc() with lineWidth > 2*radius is drawn sensibly</p> 11 12 13 <script> 14 var t = async_test("arc() with lineWidth > 2*radius is drawn sensibly"); 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 = 180; 27 ctx.strokeStyle = '#0f0'; 28 ctx.beginPath(); 29 ctx.arc(-50, 50, 25, 0, -Math.PI/2, true); 30 ctx.stroke(); 31 ctx.beginPath(); 32 ctx.arc(100, 0, 25, 0, -Math.PI/2, true); 33 ctx.stroke(); 34 _assertPixel(canvas, 50,25, 0,255,0,255); 35 _assertPixel(canvas, 90,10, 0,255,0,255); 36 _assertPixel(canvas, 97,1, 0,255,0,255); 37 _assertPixel(canvas, 97,2, 0,255,0,255); 38 _assertPixel(canvas, 97,3, 0,255,0,255); 39 _assertPixel(canvas, 2,48, 0,255,0,255); 40 t.done(); 41 42 }); 43 </script>