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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| 3 <title>OffscreenCanvas test: 2d.drawImage.3arg</title> |
| 4 <script src="/resources/testharness.js"></script> |
| 5 <script src="/resources/testharnessreport.js"></script> |
| 6 <script src="/common/canvas-tests.js"></script> |
| 7 |
| 8 <h1>2d.drawImage.3arg</h1> |
| 9 <p class="desc"></p> |
| 10 |
| 11 |
| 12 <script> |
| 13 var t = async_test(""); |
| 14 t.step(function() { |
| 15 |
| 16 var offscreenCanvas = new OffscreenCanvas(100, 50); |
| 17 var ctx = offscreenCanvas.getContext('2d'); |
| 18 |
| 19 var promise1 = new Promise(function(resolve, reject) { |
| 20 var xhr = new XMLHttpRequest(); |
| 21 xhr.open("GET", '/images/red.png'); |
| 22 xhr.responseType = 'blob'; |
| 23 xhr.send(); |
| 24 xhr.onload = function() { |
| 25 resolve(xhr.response); |
| 26 }; |
| 27 }); |
| 28 var promise2 = new Promise(function(resolve, reject) { |
| 29 var xhr = new XMLHttpRequest(); |
| 30 xhr.open("GET", '/images/green.png'); |
| 31 xhr.responseType = 'blob'; |
| 32 xhr.send(); |
| 33 xhr.onload = function() { |
| 34 resolve(xhr.response); |
| 35 }; |
| 36 }); |
| 37 Promise.all([promise1, promise2]).then(function(response1, response2) { |
| 38 ctx.drawImage(response2, 0, 0); |
| 39 ctx.drawImage(response1, -100, 0); |
| 40 ctx.drawImage(response1, 100, 0); |
| 41 ctx.drawImage(response1, 0, -50); |
| 42 ctx.drawImage(response1, 0, 50); |
| 43 _assertPixelApprox(offscreenCanvas, 0,0, 0,255,0,255, "0,0", "0,255,0,255",
2); |
| 44 _assertPixelApprox(offscreenCanvas, 99,0, 0,255,0,255, "99,0", "0,255,0,255"
, 2); |
| 45 _assertPixelApprox(offscreenCanvas, 0,49, 0,255,0,255, "0,49", "0,255,0,255"
, 2); |
| 46 _assertPixelApprox(offscreenCanvas, 99,49, 0,255,0,255, "99,49", "0,255,0,25
5", 2); |
| 47 }); |
| 48 |
| 49 t.done(); |
| 50 |
| 51 }); |
| 52 </script> |
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Chromium Code Reviews
Issue 2547023002:
Import wpt@3c8896ae408c8fd594979da7c99970029e7856a7 (Closed)
