third_party/WebKit/LayoutTests/fast/canvas/canvas-ImageBitmap-transferable.html - Issue 2522693002: Color correct ImageBitmap(HTMLImageElement*) constructor

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Issue 2522693002: Color correct ImageBitmap(HTMLImageElement*) constructor (Closed)

Patch Set: Removing ImageDecoder::globalTargetColorSpace() calls for now Created 4 years ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <html>	2 <html>

3 <body>	3 <body>

4 <canvas id="canvas" width="3" height="2"></canvas>	4 <canvas id="canvas" width="3" height="2"></canvas>

5 <script src="../../resources/js-test.js"></script>	5 <script src="../../resources/js-test.js"></script>

6 <script>	6 <script>

7 jsTestIsAsync = true;	7 jsTestIsAsync = true;

8 var worker = new Worker('./resources/canvas-ImageBitmap-transferable.js');	8 var worker = new Worker('./resources/canvas-ImageBitmap-transferable.js');

9	9

10 description("Tests that ImageBitmap is transferable and that the pixel data surv ives the trip, as well as createImageBitmap(ImageBitmap) works on worker thread" );	10 description("Tests that ImageBitmap is transferable and that the pixel data surv ives the trip, as well as createImageBitmap(ImageBitmap) works on worker thread" );

11	11

12 var imageWidth = 3;	12 var imageWidth = 3;

13 var imageHeight = 2;	13 var imageHeight = 2;

14 var bitmapWidth;	14 var bitmapWidth;

15 var bitmapHeight;	15 var bitmapHeight;

16 var newImage;	16 var newImage;

17 var newImageBitmap;	17 var newImageBitmap;

18 var image = new ImageData(new Uint8ClampedArray(	18 var image = new ImageData(new Uint8ClampedArray(

19 [255, 0, 0, 255,	19 [255, 0, 0, 255,

20 0, 255, 0, 255,	20 0, 255, 0, 255,

21 255, 255, 255, 127,	21 255, 255, 255, 127,

22 0, 0, 0, 64,	22 0, 0, 0, 64,

23 12, 34, 56, 64,	23 12, 34, 56, 64,

24 12, 34, 56, 127]),	24 12, 34, 56, 127]),

25 imageWidth, imageHeight);	25 imageWidth, imageHeight);

26 var context = document.getElementById("canvas").getContext("2d");	26 var context = document.getElementById("canvas").getContext("2d");

27	27

28 createImageBitmap(image).then(imageBitmap => {	28 createImageBitmap(image, {colorSpaceConversion: "none"}).then(imageBitmap => {

29 bitmapWidth = imageBitmap.width;	29 bitmapWidth = imageBitmap.width;

30 bitmapHeight = imageBitmap.height;	30 bitmapHeight = imageBitmap.height;

31 shouldBe("bitmapWidth", "imageWidth");	31 shouldBe("bitmapWidth", "imageWidth");

32 shouldBe("bitmapHeight", "imageHeight");	32 shouldBe("bitmapHeight", "imageHeight");

33	33

34 worker.postMessage({data: imageBitmap}, [imageBitmap]);	34 worker.postMessage({data: imageBitmap}, [imageBitmap]);

35	35

36 // ImageBitmap has been transferred to worker, main thread loses ownership	36 // ImageBitmap has been transferred to worker, main thread loses ownership

37 // of it, so the width and height should be 0 now.	37 // of it, so the width and height should be 0 now.

38 bitmapWidth = imageBitmap.width;	38 bitmapWidth = imageBitmap.width;

39 bitmapHeight = imageBitmap.height;	39 bitmapHeight = imageBitmap.height;

40 shouldBe("bitmapWidth", "0");	40 shouldBe("bitmapWidth", "0");

41 shouldBe("bitmapHeight", "0");	41 shouldBe("bitmapHeight", "0");

42	42

43 newImageBitmap = imageBitmap;	43 newImageBitmap = imageBitmap;

44 // Test createImageBitmap from neutered ImageBitmap	44 // Test createImageBitmap from neutered ImageBitmap

45 createImageBitmap(imageBitmap).then(function() {	45 createImageBitmap(imageBitmap, {colorSpaceConversion: "none"}).then(function() {

46 testFailed("Promise accepted, expected to be rejected");	46 testFailed("Promise accepted, expected to be rejected");

47 finishJSTest();	47 finishJSTest();

48 }, () => {	48 }, () => {

49 testPassed("createImageBitmap from a neutered ImageBitmap was rejected");	49 testPassed("createImageBitmap from a neutered ImageBitmap was rejected");

50 });	50 });

51	51

52 try {	52 try {

53 worker.postMessage({data:imageBitmap});	53 worker.postMessage({data:imageBitmap});

54 testFailed("Apply structured cloning succeed, expected to fail");	54 testFailed("Apply structured cloning succeed, expected to fail");

55 } catch(e) {	55 } catch(e) {

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101 shouldBeCloseTo("newImage.data[20]", "image.data[20]", 5);	101 shouldBeCloseTo("newImage.data[20]", "image.data[20]", 5);

102 shouldBeCloseTo("newImage.data[21]", "image.data[21]", 5);	102 shouldBeCloseTo("newImage.data[21]", "image.data[21]", 5);

103 shouldBeCloseTo("newImage.data[22]", "image.data[22]", 5);	103 shouldBeCloseTo("newImage.data[22]", "image.data[22]", 5);

104 shouldBe("newImage.data[23]", "image.data[23]");	104 shouldBe("newImage.data[23]", "image.data[23]");

105 finishJSTest();	105 finishJSTest();

106 }	106 }

107	107

108 </script>	108 </script>

109 </body>	109 </body>

110 </html>	110 </html>

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