LayoutTests/fast/canvas/2d.imageDataHD.html - Issue 215193002: Removing webkit-prefixed image data HD APIs from 2D canvas

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Issue 215193002: Removing webkit-prefixed image data HD APIs from 2D canvas (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: cleaned up obsolete tests Created 6 years, 9 months ago

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1 <pre id="console"></pre>

2 <script>

3 testRunner.dumpAsText();

4

5 function log(message)

6 {

7 document.getElementById("console").appendChild(document.createTextNode(m essage + "\n"));

8 }

9

10 function formatColor(r, g, b, a)

11 {

12 return "[" + r + ", " + g + ", " + b + ", " + a + "]";

13 }

14

15 function assertBlack(imageData, i)

16 {

17 var r = imageData.data[i * 4];

18 var g = imageData.data[i * 4 + 1];

19 var b = imageData.data[i * 4 + 2];

20 var a = imageData.data[i * 4 + 3];

21 if (r == 0 && g == 0 && b == 0 && a == 255)

22 log("PASS: Pixel " + i + " is black.");

23 else

24 log("FAIL: Pixel " + i + " is not black: " + formatColor(r, g, b, a) + ".");

25 }

26

27 function assertGreen(imageData, i)

28 {

29 var r = imageData.data[i * 4];

30 var g = imageData.data[i * 4 + 1];

31 var b = imageData.data[i * 4 + 2];

32 var a = imageData.data[i * 4 + 3];

33 if (r == 0 && g == 255 && b == 0 && a == 255)

34 log("PASS: Pixel " + i + " is green.");

35 else

36 log("FAIL: Pixel " + i + " is not green: " + formatColor(r, g, b, a) + ".");

37 }

38

39 function assertBlue(imageData, i)

40 {

41 var r = imageData.data[i * 4];

42 var g = imageData.data[i * 4 + 1];

43 var b = imageData.data[i * 4 + 2];

44 var a = imageData.data[i * 4 + 3];

45 if (r == 0 && g == 0 && b == 255 && a == 255)

46 log("PASS: Pixel " + i + " is blue.");

47 else

48 log("FAIL: Pixel " + i + " is not blue: " + formatColor(r, g, b, a) + ".");

49 }

50

51 if (!window.testRunner)

52 log("This test requires WebKitTestRunner or DumpRenderTree.");

53

54 testRunner.waitUntilDone();

55 testRunner.setBackingScaleFactor(2, function() {

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

57 canvas.width = 8;

58 canvas.height = 8;

59

60 var context = canvas.getContext("2d");

61

62 if (context.webkitBackingStorePixelRatio === 2) {

63

64 context.fillStyle = "#0f0";

65 context.fillRect(0, 0, 4, 8);

66 context.fillStyle = "#00f";

67 context.fillRect(4, 0, 4, 8);

68

69 log("Testing getImageDataHD");

70

71 var imageData = context.webkitGetImageDataHD(7, 0, 2, 1);

72 assertGreen(imageData, 0);

73 assertBlue(imageData, 1);

74

75 log("\nTesting putImageDataHD");

76

77 context.fillStyle = "#000";

78 context.fillRect(0, 0, 8, 8);

79

80 imageData = context.createImageData(8, 8);

81 for (var i = 0; i < 128; i += 4) {

82 imageData.data[i] = 0;

83 imageData.data[i + 1] = 255;

84 imageData.data[i + 2] = 0;

85 imageData.data[i + 3] = 255;

86 }

87 for (var i = 128; i < 256; i += 4) {

88 imageData.data[i] = 0;

89 imageData.data[i + 1] = 0;

90 imageData.data[i + 2] = 255;

91 imageData.data[i + 3] = 255;

92 }

93

94 context.webkitPutImageDataHD(imageData, 2, 2);

95

96 imageData = context.getImageData(2, 0, 1, 1);

97 assertBlack(imageData, 0);

98

99 imageData = context.getImageData(2, 1, 1, 1);

100 assertGreen(imageData, 0);

101

102 imageData = context.getImageData(2, 2, 1, 1);

103 assertGreen(imageData, 0);

104

105 imageData = context.getImageData(2, 3, 1, 1);

106 assertBlue(imageData, 0);

107

108 imageData = context.getImageData(2, 4, 1, 1);

109 assertBlue(imageData, 0);

110

111 imageData = context.getImageData(2, 5, 1, 1);

112 assertBlack(imageData, 0);

113 } else

114 log("High-DPI canvas is not enabled.");

115

116 testRunner.notifyDone();

117 });

118 </script>

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