| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.path.stroke.skew</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| |
| <h1>2d.path.stroke.skew</h1> |
| <p class="desc">Strokes lines are skewed by the current transformation matrix</p> |
| |
| |
| <script> |
| var t = async_test("Strokes lines are skewed by the current transformation matrix"); |
| var t_pass = t.done.bind(t); |
| var t_fail = t.step_func(function(reason) { |
| throw reason; |
| }); |
| t.step(function() { |
| |
| var canvas = new OffscreenCanvas(100, 50); |
| var ctx = canvas.getContext('2d'); |
| |
| ctx.fillStyle = '#f00'; |
| ctx.fillRect(0, 0, 100, 50); |
| |
| ctx.save(); |
| ctx.beginPath(); |
| ctx.moveTo(49, -50); |
| ctx.lineTo(201, -50); |
| ctx.rotate(Math.PI/4); |
| ctx.scale(1, 283); |
| ctx.strokeStyle = '#0f0'; |
| ctx.stroke(); |
| ctx.restore(); |
| |
| ctx.save(); |
| ctx.beginPath(); |
| ctx.translate(-150, 0); |
| ctx.moveTo(49, -50); |
| ctx.lineTo(199, -50); |
| ctx.rotate(Math.PI/4); |
| ctx.scale(1, 142); |
| ctx.strokeStyle = '#f00'; |
| ctx.stroke(); |
| ctx.restore(); |
| |
| ctx.save(); |
| ctx.beginPath(); |
| ctx.translate(-150, 0); |
| ctx.moveTo(49, -50); |
| ctx.lineTo(199, -50); |
| ctx.rotate(Math.PI/4); |
| ctx.scale(1, 142); |
| ctx.strokeStyle = '#f00'; |
| ctx.stroke(); |
| ctx.restore(); |
| |
| _assertPixel(canvas, 0,0, 0,255,0,255); |
| _assertPixel(canvas, 50,0, 0,255,0,255); |
| _assertPixel(canvas, 99,0, 0,255,0,255); |
| _assertPixel(canvas, 0,25, 0,255,0,255); |
| _assertPixel(canvas, 50,25, 0,255,0,255); |
| _assertPixel(canvas, 99,25, 0,255,0,255); |
| _assertPixel(canvas, 0,49, 0,255,0,255); |
| _assertPixel(canvas, 50,49, 0,255,0,255); |
| _assertPixel(canvas, 99,49, 0,255,0,255); |
| t.done(); |
| |
| }); |
| </script> |