2d.path.arc.scale.1.html (1653B)
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.scale.1</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.scale.1</h1> 10 <p class="desc">Non-uniformly scaled arcs are the right shape</p> 11 12 13 <script> 14 var t = async_test("Non-uniformly scaled arcs are the right shape"); 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.scale(2, 0.5); 27 ctx.fillStyle = '#0f0'; 28 ctx.beginPath(); 29 ctx.arc(25, 50, 56, 0, 2*Math.PI, false); 30 ctx.fill(); 31 ctx.fillStyle = '#f00'; 32 ctx.beginPath(); 33 ctx.moveTo(-25, 50); 34 ctx.arc(-25, 50, 24, 0, 2*Math.PI, false); 35 ctx.moveTo(75, 50); 36 ctx.arc(75, 50, 24, 0, 2*Math.PI, false); 37 ctx.moveTo(25, -25); 38 ctx.arc(25, -25, 24, 0, 2*Math.PI, false); 39 ctx.moveTo(25, 125); 40 ctx.arc(25, 125, 24, 0, 2*Math.PI, false); 41 ctx.fill(); 42 43 _assertPixel(canvas, 0,0, 0,255,0,255); 44 _assertPixel(canvas, 50,0, 0,255,0,255); 45 _assertPixel(canvas, 99,0, 0,255,0,255); 46 _assertPixel(canvas, 0,25, 0,255,0,255); 47 _assertPixel(canvas, 50,25, 0,255,0,255); 48 _assertPixel(canvas, 99,25, 0,255,0,255); 49 _assertPixel(canvas, 0,49, 0,255,0,255); 50 _assertPixel(canvas, 50,49, 0,255,0,255); 51 _assertPixel(canvas, 99,49, 0,255,0,255); 52 t.done(); 53 54 }); 55 </script>