2d.line.join.bevel.html (2004B)
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.line.join.bevel</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.line.join.bevel</h1> 10 <p class="desc">lineJoin 'bevel' is rendered correctly</p> 11 12 13 <script> 14 var t = async_test("lineJoin 'bevel' is rendered correctly"); 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 = '#0f0'; 25 ctx.fillRect(0, 0, 100, 50); 26 27 var tol = 1; // tolerance to avoid antialiasing artifacts 28 29 ctx.lineJoin = 'bevel'; 30 ctx.lineWidth = 20; 31 32 ctx.fillStyle = '#f00'; 33 ctx.strokeStyle = '#0f0'; 34 35 ctx.fillRect(10, 10, 20, 20); 36 ctx.fillRect(20, 20, 20, 20); 37 ctx.beginPath(); 38 ctx.moveTo(30, 20); 39 ctx.lineTo(40-tol, 20); 40 ctx.lineTo(30, 10+tol); 41 ctx.fill(); 42 43 ctx.beginPath(); 44 ctx.moveTo(10, 20); 45 ctx.lineTo(30, 20); 46 ctx.lineTo(30, 40); 47 ctx.stroke(); 48 49 50 ctx.fillStyle = '#0f0'; 51 ctx.strokeStyle = '#f00'; 52 53 ctx.beginPath(); 54 ctx.moveTo(60, 20); 55 ctx.lineTo(80, 20); 56 ctx.lineTo(80, 40); 57 ctx.stroke(); 58 59 ctx.fillRect(60, 10, 20, 20); 60 ctx.fillRect(70, 20, 20, 20); 61 ctx.beginPath(); 62 ctx.moveTo(80, 20); 63 ctx.lineTo(90+tol, 20); 64 ctx.lineTo(80, 10-tol); 65 ctx.fill(); 66 67 _assertPixel(canvas, 34,16, 0,255,0,255); 68 _assertPixel(canvas, 34,15, 0,255,0,255); 69 _assertPixel(canvas, 35,15, 0,255,0,255); 70 _assertPixel(canvas, 36,15, 0,255,0,255); 71 _assertPixel(canvas, 36,14, 0,255,0,255); 72 73 _assertPixel(canvas, 84,16, 0,255,0,255); 74 _assertPixel(canvas, 84,15, 0,255,0,255); 75 _assertPixel(canvas, 85,15, 0,255,0,255); 76 _assertPixel(canvas, 86,15, 0,255,0,255); 77 _assertPixel(canvas, 86,14, 0,255,0,255); 78 t.done(); 79 80 }); 81 </script>