LayoutTests/fast/canvas/canvas-createImageBitmap-animated.html - Issue 1304093006: Add a new API for testing animated images

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Side by Side Diff: LayoutTests/fast/canvas/canvas-createImageBitmap-animated.html

Issue 1304093006: Add a new API for testing animated images (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Rebase harder Created 5 years, 3 months ago

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1 <html>	1 <html>

2 <head>	2 <head>

3 <script src="../../resources/js-test.js"></script>	3 <script src="../../resources/js-test.js"></script>

4 </head>	4 </head>

5 <body>	5 <body>

6 <script>	6 <script>

7 window.jsTestIsAsync = true;	7 window.jsTestIsAsync = true;

8	8

9 function shouldBeGreen(x, y) {	9 function shouldBeGreen(x, y) {

10 d = ctx.getImageData(x, y, 1, 1).data;	10 d = ctx.getImageData(x, y, 1, 1).data;

11 shouldBeTrue("d[0] == 0");	11 shouldBeTrue("d[0] == 0");

12 shouldBeTrue("d[1] == 255");	12 shouldBeTrue("d[1] == 255");

13 shouldBeTrue("d[2] == 0");	13 shouldBeTrue("d[2] == 0");

14 shouldBeTrue("d[3] == 255");	14 shouldBeTrue("d[3] == 255");

15 }	15 }

16	16

17 var canvas = document.createElement("canvas");	17 var canvas = document.createElement("canvas");

18 canvas.width = 200;	18 canvas.width = 200;

19 canvas.height = 200;	19 canvas.height = 200;

20 var ctx = canvas.getContext("2d");	20 var ctx = canvas.getContext("2d");

21	21

22 var img = new Image();	22 var img = new Image();

	23 img.onload = imageLoaded;

23 img.src = 'resources/green-red-animated.gif';	24 img.src = 'resources/green-red-animated.gif';

24 img.onload = imageLoaded;

25	25

26 function imageLoaded() {	26 function imageLoaded() {

27 // The gif switches from green to red in 10ms. We wait 50ms to ensure th at the gif will have changed colors.

28 // If the ImageBitmap is green, we know that it is a snapshot of the gif 's 0th frame.	27 // If the ImageBitmap is green, we know that it is a snapshot of the gif 's 0th frame.

29 window.setTimeout(function() {	28 window.internals.advanceImageAnimation(img);

30 createImageBitmap(img).then(function (imageBitmap) {	29 createImageBitmap(img).then(function (imageBitmap) {

31 ctx.drawImage(imageBitmap, 0, 0);	30 ctx.drawImage(imageBitmap, 0, 0);

32 shouldBeGreen(100, 100);	31 shouldBeGreen(100, 100);

33 finishJSTest();	32 finishJSTest();

34 }, function() {	33 }, function() {

35 testFailed("Promise was rejected.");	34 testFailed("Promise was rejected.");

36 finishJSTest();	35 finishJSTest();

37 });	36 });

38 }, 50);

39 }	37 }

40 </script>	38 </script>

41 </body>	39 </body>

42 </html>	40 </html>

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