| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.drawImage.3arg</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/canvas-tests.js"></script> |
| |
| <h1>2d.drawImage.3arg</h1> |
| <p class="desc"></p> |
| |
| |
| <script> |
| var t = async_test(""); |
| t.step(function() { |
| |
| var offscreenCanvas = new OffscreenCanvas(100, 50); |
| var ctx = offscreenCanvas.getContext('2d'); |
| |
| var promise1 = new Promise(function(resolve, reject) { |
| var xhr = new XMLHttpRequest(); |
| xhr.open("GET", '/images/red.png'); |
| xhr.responseType = 'blob'; |
| xhr.send(); |
| xhr.onload = function() { |
| resolve(xhr.response); |
| }; |
| }); |
| var promise2 = new Promise(function(resolve, reject) { |
| var xhr = new XMLHttpRequest(); |
| xhr.open("GET", '/images/green.png'); |
| xhr.responseType = 'blob'; |
| xhr.send(); |
| xhr.onload = function() { |
| resolve(xhr.response); |
| }; |
| }); |
| Promise.all([promise1, promise2]).then(function(response1, response2) { |
| ctx.drawImage(response2, 0, 0); |
| ctx.drawImage(response1, -100, 0); |
| ctx.drawImage(response1, 100, 0); |
| ctx.drawImage(response1, 0, -50); |
| ctx.drawImage(response1, 0, 50); |
| _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> |
