third_party/WebKit/LayoutTests/fast/canvas/canvas-scale-drawImage-shadow.html - Issue 2696023002: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests.

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Issue 2696023002: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests. (Closed)

Patch Set: Rebaseline Created 3 years, 10 months ago

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1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">	1 <script src="../../resources/testharness.js"></script>

2 <html>	2 <script src="../../resources/testharnessreport.js"></script>

3 <head>

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

5 </head>

6 <body>	3 <body>

7 <script src="script-tests/canvas-scale-drawImage-shadow.js"></script>	4 <script>

	5 async_test(t => {

	6 // Create auxiliary canvas to draw to and create an image from.

	7 // This is done instead of simply loading an image from the file system

	8 // because that would throw a SECURITY_ERR DOM Exception.

	9 var aCanvas = document.createElement('canvas');

	10 aCanvas.width = aCanvas.height = 10;

	11 var aCtx = aCanvas.getContext('2d');

	12 aCtx.fillStyle = 'rgba(0, 0, 255, 1)';

	13 aCtx.fillRect(0, 0, 50, 50);

	14

	15 // Create the image object to be drawn on the master canvas.

	16 var img = new Image();

	17 img.onload = drawImageToCanvasAndCheckPixels;

	18 img.src = aCanvas.toDataURL(); // set a data URI of the base64 encoded image as the source

	19

	20 aCanvas.width = 10;

	21 aCtx.fillStyle = 'rgba(0, 0, 255, 0.5)';

	22 aCtx.fillRect(0, 0, 50, 50);

	23 // Create the image object to be drawn on the master canvas.

	24 var transparentImg = new Image();

	25 transparentImg.onload = drawImageToCanvasAndCheckPixels;

	26 transparentImg.src = aCanvas.toDataURL(); // set a data URI of the base64 en coded image as the source

	27

	28 // Create master canvas.

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

	30 document.body.appendChild(canvas);

	31 canvas.width = 150;

	32 canvas.height = 110;

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

	34

	35 function testPixelShadow(x, y, color)

	36 {

	37 assert_array_equals(ctx.getImageData(x, y, 1, 1).data, color);

	38 }

	39

	40 function testPixelShadowAlpha(x, y, color)

	41 {

	42 var data = ctx.getImageData(x, y, 1, 1).data;

	43 assert_array_equals(data.slice(0,3), color.slice(0,3));

	44 assert_approx_equals(data[3], color[3], 10);

	45 }

	46

	47 var testPixelShadowScenarios = [

	48 ['Verify solid shadow 1', 40, 40, [255, 0, 0, 255]],

	49 ['Verify solid shadow 2', 59, 59, [255, 0, 0, 255]],

	50 ];

	51

	52 var testPixelShadowAlphaScenarios = [

	53 ['Verify solid alpha shadow 1', 41, 81, [255, 0, 0, 76]],

	54 ['Verify solid alpha shadow 2', 59, 99, [255, 0, 0, 76]],

	55

	56 ['Verify blurry shadow 1', 90, 39, [255, 0, 0, 114]],

	57 ['Verify blurry shadow 2', 90, 60, [255, 0, 0, 114]],

	58 ['Verify blurry shadow 3', 79, 50, [255, 0, 0, 114]],

	59 ['Verify blurry shadow 4', 100, 50, [255, 0, 0, 114]],

	60

	61 ['Verify blurry alpha shadow 1', 90, 79, [255, 0, 0, 34]],

	62 ['Verify blurry alpha shadow 2', 90, 100, [255, 0, 0, 34]],

	63 ['Verify blurry alpha shadow 3', 79, 90, [255, 0, 0, 34]],

	64 ['Verify blurry alpha shadow 4', 100, 90, [255, 0, 0, 34]],

	65

	66 ['Verify blurry shadow of image with alpha 1', 130, 39, [255, 0, 0, 57]] ,

	67 ['Verify blurry shadow of image with alpha 2', 130, 60, [255, 0, 0, 57]] ,

	68 ['Verify blurry shadow of image with alpha 3', 119, 50, [255, 0, 0, 57]] ,

	69 ['Verify blurry shadow of image with alpha 4', 140, 50, [255, 0, 0, 57]] ,

	70

	71 ['Verify blurry alpha shadow of image with alpha 1', 130, 79, [255, 0, 0 , 17]],

	72 ['Verify blurry alpha shadow of image with alpha 2', 130, 100, [255, 0, 0, 17]],

	73 ['Verify blurry alpha shadow of image with alpha 3', 119, 90, [255, 0, 0 , 17]],

	74 ['Verify blurry alpha shadow of image with alpha 4', 140, 90, [255, 0, 0 , 17]],

	75 ];

	76

	77 var imagesLoaded = 0;

	78 function drawImageToCanvasAndCheckPixels() {

	79 imagesLoaded = imagesLoaded + 1;

	80 if (imagesLoaded == 2) {

	81 ctx.scale(2, 2);

	82 ctx.shadowOffsetX = 20;

	83 ctx.shadowOffsetY = 20;

	84 ctx.fillStyle = 'rgba(0, 0, 255, 1)';

	85

	86 ctx.shadowColor = 'rgba(255, 0, 0, 1.0)';

	87 ctx.drawImage(img, 10, 10);

	88

	89 ctx.shadowColor = 'rgba(255, 0, 0, 0.3)';

	90 ctx.drawImage(img, 10, 30);

	91

	92 ctx.shadowColor = 'rgba(255, 0, 0, 1.0)';

	93 ctx.shadowBlur = 10;

	94 ctx.drawImage(img, 30, 10);

	95

	96 ctx.shadowColor = 'rgba(255, 0, 0, 0.3)';

	97 ctx.drawImage(img, 30, 30);

	98

	99 ctx.shadowColor = 'rgba(255, 0, 0, 1.0)';

	100 ctx.drawImage(transparentImg, 50, 10);

	101

	102 ctx.shadowColor = 'rgba(255, 0, 0, 0.3)';

	103 ctx.drawImage(transparentImg, 50, 30);

	104

	105 t.step(runTests);

	106 t.done();

	107

	108 }

	109 }

	110

	111 function runTests() {

	112 for (var i = 0; i < testPixelShadowScenarios.length; i++)

	113 testPixelShadow(testPixelShadowScenarios[i][1],

	114 testPixelShadowScenarios[i][2],

	115 testPixelShadowScenarios[i][3]);

	116

	117 for (var i = 0; i < testPixelShadowAlphaScenarios.length; i++)

	118 testPixelShadowAlpha(testPixelShadowAlphaScenarios[i][1],

	119 testPixelShadowAlphaScenarios[i][2],

	120 testPixelShadowAlphaScenarios[i][3]);

	121 }

	122

	123 }, 'Ensure correct behavior of canvas with drawImage+shadow after scaling. A blu e and red checkered pattern should be displayed.');

	124 </script>

8 </body>	125 </body>

9 </html>

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