2d.path.arcTo.scale.html (1395B)
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.arcTo.scale</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.arcTo.scale</h1> 10 <p class="desc">arcTo scales the curve, not just the control points</p> 11 12 13 <script> 14 var t = async_test("arcTo scales the curve, not just the control points"); 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 27 ctx.fillStyle = '#0f0'; 28 ctx.beginPath(); 29 ctx.moveTo(0, 50); 30 ctx.translate(100, 0); 31 ctx.scale(0.1, 1); 32 ctx.arcTo(50, 50, 50, 0, 50); 33 ctx.lineTo(-1000, 0); 34 ctx.fill(); 35 36 _assertPixel(canvas, 0,0, 0,255,0,255); 37 _assertPixel(canvas, 50,0, 0,255,0,255); 38 _assertPixel(canvas, 99,0, 0,255,0,255); 39 _assertPixel(canvas, 0,25, 0,255,0,255); 40 _assertPixel(canvas, 50,25, 0,255,0,255); 41 _assertPixel(canvas, 99,25, 0,255,0,255); 42 _assertPixel(canvas, 0,49, 0,255,0,255); 43 _assertPixel(canvas, 50,49, 0,255,0,255); 44 _assertPixel(canvas, 99,49, 0,255,0,255); 45 t.done(); 46 47 }); 48 </script>