third_party/WebKit/LayoutTests/fast/canvas/canvas-createImageBitmap-recursive.html - Issue 1413583004: refractoring ImageBitmap class

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Issue 1413583004: refractoring ImageBitmap class (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: fix memory leak issue Created 5 years, 1 month 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 description("Ensure correct behavior of drawImage with ImageBitmaps constructed from ImageBitmaps that are constructed from images (not pinned to memory) and ca nvases (pinned to memory).");	7 description("Ensure correct behavior of drawImage with ImageBitmaps constructed from ImageBitmaps that are constructed from images (not pinned to memory) and ca nvases (pinned to memory).");

8	8

9 window.jsTestIsAsync = true;	9 window.jsTestIsAsync = true;

10	10

11 function shouldBeFilled(x, y, w, h) {	11 function shouldBeFilled(x, y, w, h) {

12 shouldBeGreen(x+2, y+2);	12 shouldBeGreen(x+2, y+2);

13 shouldBeGreen(x+w-2, y+h-2);	13 shouldBeGreen(x+w-3, y+h-3);

14 shouldBeGreen(x+w/2, y+h/2);	14 shouldBeGreen(x+w/2, y+h/2);

15 shouldBeClear(x-2, y-2);	15 shouldBeClear(x-2, y-2);

16 shouldBeClear(x+w+2, y+h+2);	16 shouldBeClear(x+w+2, y+h+2);

17 }	17 }

18 function shouldBeGreen(x, y) {	18 function shouldBeGreen(x, y) {

19 d = ctx.getImageData(x, y, 1, 1).data;	19 d = ctx.getImageData(x, y, 1, 1).data;

20 shouldBeTrue("d[0] == 0");	20 shouldBe("d[0]", "0");

21 shouldBeTrue("d[1] == 255");	21 shouldBe("d[1]", "255");

22 shouldBeTrue("d[2] == 0");	22 shouldBe("d[2]", "0");

23 shouldBeTrue("d[3] == 255");	23 shouldBe("d[3]", "255");

24 }	24 }

25 function shouldBeClear(x, y) {	25 function shouldBeClear(x, y) {

26 // should be transparent black pixels	26 // should be transparent black pixels

27 d = ctx.getImageData(x, y, 1, 1).data;	27 d = ctx.getImageData(x, y, 1, 1).data;

28 shouldBeTrue("d[0] == 0");	28 shouldBe("d[0]", "0");

29 shouldBeTrue("d[1] == 0");	29 shouldBe("d[1]", "0");

30 shouldBeTrue("d[2] == 0");	30 shouldBe("d[2]", "0");

31 shouldBeTrue("d[3] == 0");	31 shouldBe("d[3]", "0");

32 }	32 }

33 function shouldNotBeCalled() {	33 function shouldNotBeCalled() {

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

35 finishJSTest();	35 finishJSTest();

36 }	36 }

37 function clearContext(context) {	37 function clearContext(context) {

38 context.clearRect(0, 0, 50, 50);	38 context.clearRect(0, 0, 50, 50);

39 }	39 }

40	40

41 var image;	41 var image;

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120 ctx.drawImage(imageBitmap, 0, 0, 50, 50);	120 ctx.drawImage(imageBitmap, 0, 0, 50, 50);

121 // scale up w and h as necessary	121 // scale up w and h as necessary

122 var w3 = w1 * 50.0 / imageBitmap.width;	122 var w3 = w1 * 50.0 / imageBitmap.width;

123 var h3 = h1 * 50.0 / imageBitmap.height;	123 var h3 = h1 * 50.0 / imageBitmap.height;

124 // x and y are transformed	124 // x and y are transformed

125 var x3 = x1 * w3 / w1;	125 var x3 = x1 * w3 / w1;

126 var y3 = y1 * h3 / h1;	126 var y3 = y1 * h3 / h1;

127 shouldBeFilled(x3, y3, w3, h3);	127 shouldBeFilled(x3, y3, w3, h3);

128	128

129 clearContext(ctx);	129 clearContext(ctx);

	130 ctx.imageSmoothingEnabled=false;

130 ctx.drawImage(imageBitmap, x1, y1, w1, h1, 0, 0, 50, 50);	131 ctx.drawImage(imageBitmap, x1, y1, w1, h1, 0, 0, 50, 50);

131 shouldBeFilled(0, 0, 50, 50);	132 shouldBeFilled(0, 0, 50, 50);

132 }	133 }

133 }	134 }

134	135

135 </script>	136 </script>

136 </body>	137 </body>

137 </html>	138 </html>

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