third_party/WebKit/LayoutTests/virtual/threaded/fast/canvas-toBlob/canvas-createImageBitmap-from-canvas-toBlob.html - Issue 2189733003: Remove virtual test suits virtual/threaded/fast/canvas-toBlob

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Side by Side Diff: third_party/WebKit/LayoutTests/virtual/threaded/fast/canvas-toBlob/canvas-createImageBitmap-from-canvas-toBlob.html

Issue 2189733003: Remove virtual test suits virtual/threaded/fast/canvas-toBlob (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 4 months ago

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1 <!DOCTYPE html>

2 <script src="../../../../resources/js-test.js"></script>

3 <script>

4 jsTestIsAsync = true;

5

6 description("Tests that createImageBitmap from a canvas.toBlob object should hav e the same pixel data as the blob.");

7

8 var imageData2;

9 var imageData3;

10

11 var canvas1 = document.createElement("canvas");

12 var ctx1 = canvas1.getContext("2d");

13 ctx1.fillStyle = "#FF0000";

14 ctx1.fillRect(0, 0, 150, 75);

15

16 var newImg = new Image();

17 newImg.onload = function() {

18 var canvas3 = document.createElement("canvas");

19 var ctx3 = canvas3.getContext("2d");

20 ctx3.drawImage(newImg, 0, 0, 150, 75);

21

22 imageData3 = ctx3.getImageData(0, 0, 150, 75).data;

23 var imageMatched = true;

24 for (var i = 1; i < imageData2.length; i++) {

25 if (imageData2[i] != imageData3[i]) {

26 imageMatched = false;

27 break;

28 }

29 }

30 if (imageMatched)

31 testPassed("image data from the created ImageBitmap and the originated b lob is the same");

32 else

33 testFailed("image data from the created ImageBitmap and the originated b lob is NOT the same");

34 finishJSTest();

35 }

36

37 canvas1.toBlob(function(blob) {

38 createImageBitmap(blob).then(imageBitmap => {

39 var canvas2 = document.createElement("canvas");

40 var ctx2 = canvas2.getContext("2d");

41 ctx2.drawImage(imageBitmap, 0, 0, 150, 75);

42 imageData2 = ctx2.getImageData(0, 0, 150, 75).data;

43 url = URL.createObjectURL(blob);

44 newImg.src = url;

45 });

46 });

47 </script>

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