2d.path.stroke.skew.html (1848B)
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.stroke.skew</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.stroke.skew</h1> 10 <p class="desc">Strokes lines are skewed by the current transformation matrix</p> 11 12 13 <script> 14 var t = async_test("Strokes lines are skewed by the current transformation matrix"); 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.save(); 28 ctx.beginPath(); 29 ctx.moveTo(49, -50); 30 ctx.lineTo(201, -50); 31 ctx.rotate(Math.PI/4); 32 ctx.scale(1, 283); 33 ctx.strokeStyle = '#0f0'; 34 ctx.stroke(); 35 ctx.restore(); 36 37 ctx.save(); 38 ctx.beginPath(); 39 ctx.translate(-150, 0); 40 ctx.moveTo(49, -50); 41 ctx.lineTo(199, -50); 42 ctx.rotate(Math.PI/4); 43 ctx.scale(1, 142); 44 ctx.strokeStyle = '#f00'; 45 ctx.stroke(); 46 ctx.restore(); 47 48 ctx.save(); 49 ctx.beginPath(); 50 ctx.translate(-150, 0); 51 ctx.moveTo(49, -50); 52 ctx.lineTo(199, -50); 53 ctx.rotate(Math.PI/4); 54 ctx.scale(1, 142); 55 ctx.strokeStyle = '#f00'; 56 ctx.stroke(); 57 ctx.restore(); 58 59 _assertPixel(canvas, 0,0, 0,255,0,255); 60 _assertPixel(canvas, 50,0, 0,255,0,255); 61 _assertPixel(canvas, 99,0, 0,255,0,255); 62 _assertPixel(canvas, 0,25, 0,255,0,255); 63 _assertPixel(canvas, 50,25, 0,255,0,255); 64 _assertPixel(canvas, 99,25, 0,255,0,255); 65 _assertPixel(canvas, 0,49, 0,255,0,255); 66 _assertPixel(canvas, 50,49, 0,255,0,255); 67 _assertPixel(canvas, 99,49, 0,255,0,255); 68 t.done(); 69 70 }); 71 </script>