third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/compositing/2d.composite.uncovered.image.copy.html - Issue 2553473002: Add offscreen-canvas to the list of wpt directories to skip.

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Side by Side Diff: third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/compositing/2d.composite.uncovered.image.copy.html

Issue 2553473002: Add offscreen-canvas to the list of wpt directories to skip. (Closed)

Patch Set: Created 4 years ago

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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.composite.uncovered.image.copy</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.composite.uncovered.image.copy</h1>

9 <p class="desc">drawImage() draws pixels not covered by the source object as (0, 0,0,0), and does not leave the pixels unchanged.</p>

10

11

12 <script>

13 var t = async_test("drawImage() draws pixels not covered by the source object as (0,0,0,0), and does not leave the pixels unchanged.");

14 t.step(function() {

15

16 var offscreenCanvas = new OffscreenCanvas(100, 50);

17 var ctx = offscreenCanvas.getContext('2d');

18

19

20 ctx.fillStyle = 'rgba(0, 255, 255, 0.5)';

21 ctx.fillRect(0, 0, 100, 50);

22 ctx.globalCompositeOperation = 'copy';

23 var promise = new Promise(function(resolve, reject) {

24 var xhr = new XMLHttpRequest();

25 xhr.open("GET", '/images/yellow.png');

26 xhr.responseType = 'blob';

27 xhr.send();

28 xhr.onload = function() {

29 resolve(xhr.response);

30 };

31 });

32 promise.then(function(response) {

33 ctx.drawImage(response, 40, 40, 10, 10, 40, 50, 10, 10);

34 _assertPixelApprox(offscreenCanvas, 15,15, 0,0,0,0, "15,15", "0,0,0,0", 5);

35 _assertPixelApprox(offscreenCanvas, 50,25, 0,0,0,0, "50,25", "0,0,0,0", 5);

36 });

37

38 t.done();

39

40 });

41 </script>

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