| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.drawImage.canvas</title> |
| <meta name="timeout" content="long"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| |
| <h1>2d.drawImage.canvas</h1> |
| <p class="desc"></p> |
| |
| |
| <script> |
| var t = async_test(""); |
| var t_pass = t.done.bind(t); |
| var t_fail = t.step_func(function(reason) { |
| throw reason; |
| }); |
| t.step(function() { |
| |
| var offscreenCanvas = new OffscreenCanvas(100, 50); |
| var ctx = offscreenCanvas.getContext('2d'); |
| |
| var offscreenCanvas2 = new OffscreenCanvas(100, 50); |
| var ctx2 = offscreenCanvas2.getContext('2d'); |
| ctx2.fillStyle = '#0f0'; |
| ctx2.fillRect(0, 0, 100, 50); |
| ctx.fillStyle = '#f00'; |
| ctx.drawImage(offscreenCanvas2, 0, 0); |
| _assertPixelApprox(offscreenCanvas, 0,0, 0,255,0,255, "0,0", "0,255,0,255", 2); |
| _assertPixelApprox(offscreenCanvas, 99,0, 0,255,0,255, "99,0", "0,255,0,255", 2); |
| _assertPixelApprox(offscreenCanvas, 0,49, 0,255,0,255, "0,49", "0,255,0,255", 2); |
| _assertPixelApprox(offscreenCanvas, 99,49, 0,255,0,255, "99,49", "0,255,0,255", 2); |
| t.done(); |
| |
| }); |
| </script> |
