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34 lines
1.3 KiB
JavaScript
34 lines
1.3 KiB
JavaScript
// DO NOT EDIT! This test has been generated by tools/gentest.py.
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// OffscreenCanvas test in a worker:2d.imageData.put.dirty.rect2
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// Description:putImageData() only modifies areas inside the dirty rectangle, using x and y
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// Note:
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importScripts("/resources/testharness.js");
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importScripts("/common/canvas-tests.js");
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var t = async_test("putImageData() only modifies areas inside the dirty rectangle, using x and y");
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t.step(function() {
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var offscreenCanvas = new OffscreenCanvas(100, 50);
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var ctx = offscreenCanvas.getContext('2d');
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ctx.fillStyle = '#f00';
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ctx.fillRect(0, 0, 100, 50)
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ctx.fillStyle = '#0f0';
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ctx.fillRect(60, 30, 20, 20)
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var imgdata = ctx.getImageData(0, 0, 100, 50);
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, 100, 50)
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ctx.fillStyle = '#f00';
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ctx.fillRect(40, 20, 20, 20)
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ctx.putImageData(imgdata, -20, -10, 60, 30, 20, 20);
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_assertPixelApprox(offscreenCanvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255", 2);
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_assertPixelApprox(offscreenCanvas, 35,25, 0,255,0,255, "35,25", "0,255,0,255", 2);
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_assertPixelApprox(offscreenCanvas, 65,25, 0,255,0,255, "65,25", "0,255,0,255", 2);
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_assertPixelApprox(offscreenCanvas, 50,15, 0,255,0,255, "50,15", "0,255,0,255", 2);
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_assertPixelApprox(offscreenCanvas, 50,45, 0,255,0,255, "50,45", "0,255,0,255", 2);
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t.done();
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});
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done();
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