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35 lines
1 KiB
JavaScript
35 lines
1 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.get.unaffected
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// Description:getImageData() is not affected by context state
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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("getImageData() is not affected by context state");
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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 = '#0f0';
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ctx.fillRect(0, 0, 50, 50)
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ctx.fillStyle = '#f00';
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ctx.fillRect(50, 0, 50, 50)
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ctx.save();
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ctx.translate(50, 0);
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ctx.globalAlpha = 0.1;
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ctx.globalCompositeOperation = 'destination-atop';
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ctx.shadowColor = '#f00';
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ctx.rect(0, 0, 5, 5);
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ctx.clip();
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var imgdata = ctx.getImageData(0, 0, 50, 50);
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ctx.restore();
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ctx.putImageData(imgdata, 50, 0);
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_assertPixelApprox(offscreenCanvas, 25,25, 0,255,0,255, "25,25", "0,255,0,255", 2);
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_assertPixelApprox(offscreenCanvas, 75,25, 0,255,0,255, "75,25", "0,255,0,255", 2);
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t.done();
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});
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done();
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