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Update web-platform-tests to revision 58eb04cecbbec2e18531ab440225e38944a9c444
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35333 changed files with 1818077 additions and 16036 deletions
58
tests/wpt/web-platform-tests/2dcontext/imagebitmap/common.js
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58
tests/wpt/web-platform-tests/2dcontext/imagebitmap/common.js
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function testCanvasDisplayingPattern(canvas)
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{
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var tolerance = 5; // for creating ImageBitmap from a video, the tolerance needs to be high
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_assertPixelApprox(canvas, 5,5, 255,0,0,255, "5,5", "255,0,0,255", tolerance);
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_assertPixelApprox(canvas, 15,5, 0,255,0,255, "15,5", "0,255,0,255", tolerance);
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_assertPixelApprox(canvas, 5,15, 0,0,255,255, "5,15", "0,0,255,255", tolerance);
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_assertPixelApprox(canvas, 15,15, 0,0,0,255, "15,15", "0,0,0,255", tolerance);
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}
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function testDrawImageBitmap(source)
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{
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var canvas = document.createElement("canvas");
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canvas.width = 20;
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canvas.height = 20;
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var ctx = canvas.getContext("2d");
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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return createImageBitmap(source).then(imageBitmap => {
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ctx.drawImage(imageBitmap, 0, 0);
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testCanvasDisplayingPattern(canvas);
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});
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}
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function initializeTestCanvas(testCanvas)
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{
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testCanvas.width = 20;
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testCanvas.height = 20;
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var testCtx = testCanvas.getContext("2d");
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testCtx.fillStyle = "rgb(255, 0, 0)";
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testCtx.fillRect(0, 0, 10, 10);
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testCtx.fillStyle = "rgb(0, 255, 0)";
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testCtx.fillRect(10, 0, 10, 10);
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testCtx.fillStyle = "rgb(0, 0, 255)";
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testCtx.fillRect(0, 10, 10, 10);
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testCtx.fillStyle = "rgb(0, 0, 0)";
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testCtx.fillRect(10, 10, 10, 10);
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}
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function initializeImageData(imgData, width, height)
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{
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for (var i = 0; i < width * height * 4; i+=4) {
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imgData.data[i] = 0;
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imgData.data[i + 1] = 0;
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imgData.data[i + 2] = 0;
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imgData.data[i + 3] = 255; //alpha channel: 255
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}
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var halfWidth = width/2;
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var halfHeight = height/2;
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// initialize to R, G, B, Black, with each one 10*10 pixels
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for (var i = 0; i < halfHeight; i++)
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for (var j = 0; j < halfWidth; j++)
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imgData.data[i * width * 4 + j * 4] = 255;
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for (var i = 0; i < halfHeight; i++)
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for (var j = halfWidth; j < width; j++)
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imgData.data[i * width * 4 + j * 4 + 1] = 255;
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for (var i = halfHeight; i < height; i++)
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for (var j = 0; j < halfWidth; j++)
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imgData.data[i * width * 4 + j * 4 + 2] = 255;
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}
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