third_party/WebKit/LayoutTests/fast/canvas/imagebitmap/transferFromImageBitmap-drawImage.html - Issue 2464093002: Revert of Consolidate implementation of ImageBitmapRenderingContext

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Issue 2464093002: Revert of Consolidate implementation of ImageBitmapRenderingContext (Closed)

Patch Set: Created 4 years, 1 month ago

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

2 <script src="../../../resources/testharness.js"></script>	2 <script src="../../../resources/testharness.js"></script>

3 <script src="../../../resources/testharnessreport.js"></script>	3 <script src="../../../resources/testharnessreport.js"></script>

4 <script>	4 <script>

	5

5 function testCanvas_0f0(ctx) {	6 function testCanvas_0f0(ctx) {

6 var colorData = ctx.getImageData(50, 50, 1, 1).data;	7 var colorData = ctx.getImageData(50, 50, 1, 1).data;

7 assert_equals(colorData[0], 0);	8 assert_equals(colorData[0], 0);

8 assert_equals(colorData[1], 255);	9 assert_equals(colorData[1], 255);

9 assert_equals(colorData[2], 0);	10 assert_equals(colorData[2], 0);

10 assert_equals(colorData[3], 255);	11 assert_equals(colorData[3], 255);

11 }

12

13 function testException(image) {

14 var dstCanvas = document.createElement('canvas');

15 dstCanvas.width = dstCanvas.height = 100;

16 var dstCtx = dstCanvas.getContext('bitmaprenderer');

17 assert_true(dstCtx instanceof ImageBitmapRenderingContext);

18 dstCtx.transferFromImageBitmap(image);

19

20 // image is detached after calling transferFromImageBitmap,

21 // so call transferFromImageBitmap(image) should throw InvalidStateError

22 assert_throws("InvalidStateError", function() {dstCtx.transferFromImageBitma p(image);});

23 }	12 }

24	13

25 function testDrawCanvasWithImageBitamp(image) {	14 function testDrawCanvasWithImageBitamp(image) {

26 var dstCanvas = document.createElement('canvas');	15 var dstCanvas = document.createElement('canvas');

27 dstCanvas.width = dstCanvas.height = 100;	16 dstCanvas.width = dstCanvas.height = 100;

28 var dstCtx = dstCanvas.getContext('bitmaprenderer');	17 var dstCtx = dstCanvas.getContext('bitmaprenderer');

29 assert_true(dstCtx instanceof ImageBitmapRenderingContext);	18 dstCtx.transferFromImageBitmap(image);

30 dstCtx.transferFromImageBitmap(image);

31	19

32 // Calling dstCtx.canvas should get the same canvas as the dstCanvas	20 var myCanvas = document.createElement('canvas');

33 var testCanvas = dstCtx.canvas;	21 myCanvas.width = myCanvas.height = 100;

34 assert_equals(dstCanvas.width, testCanvas.width);	22 var myCtx = myCanvas.getContext('2d');

35 assert_equals(dstCanvas.height, testCanvas.height);	23 myCtx.drawImage(dstCanvas, 10, 10);

36	24 testCanvas_0f0(myCtx);

37 // After transferFromImageBitmap, image's width && height should be 0

38 assert_equals(image.width, 0);

39 assert_equals(image.height, 0);

40

41 var myCanvas = document.createElement('canvas');

42 myCanvas.width = myCanvas.height = 100;

43 var myCtx = myCanvas.getContext('2d');

44 myCtx.drawImage(dstCanvas, 10, 10);

45 testCanvas_0f0(myCtx);

46 }	25 }

47	26

48 promise_test(function() {	27 promise_test(function() {

49 var canvas = document.createElement('canvas');	28 var canvas = document.createElement('canvas');

50 canvas.width = canvas.height = 100;	29 canvas.width = canvas.height = 100;

51 var ctx = canvas.getContext('2d');	30 var ctx = canvas.getContext('2d');

52 ctx.fillStyle = '#0f0';	31 ctx.fillStyle = '#0f0';

53 ctx.fillRect(0, 0, 100, 100);	32 ctx.fillRect(0, 0, 100, 100);

54 testCanvas_0f0(ctx);	33 testCanvas_0f0(ctx);

55	34

56 return createImageBitmap(canvas).then(testDrawCanvasWithImageBitamp);	35 return createImageBitmap(canvas).then(testDrawCanvasWithImageBitamp);

57 }, 'testDrawCanvasWithImageBitamp should not return any error');	36 }, 'testDrawCanvasWithImageBitamp should not return any error');

58	37

59 promise_test(function() {

60 var canvas = document.createElement('canvas');

61 canvas.width = canvas.height = 100;

62 var ctx = canvas.getContext('2d');

63 ctx.fillStyle = '#0f0';

64 ctx.fillRect(0, 0, 100, 100);

65

66 return createImageBitmap(canvas).then(testException);

67 }, 'transferFromImageBitmap(image) with a neutered image should throw InvalidSta teError');

68

69 </script>	38 </script>

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