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35 lines
1.1 KiB
JavaScript
35 lines
1.1 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.put.unchanged
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// Description:putImageData(getImageData(...), ...) has no effect
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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(getImageData(...), ...) has no effect");
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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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var i = 0;
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for (var y = 0; y < 16; ++y) {
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for (var x = 0; x < 16; ++x, ++i) {
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ctx.fillStyle = 'rgba(' + i + ',' + (Math.floor(i*1.5) % 256) + ',' + (Math.floor(i*23.3) % 256) + ',' + (i/256) + ')';
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ctx.fillRect(x, y, 1, 1);
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}
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}
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var imgdata1 = ctx.getImageData(0.1, 0.2, 15.8, 15.9);
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var olddata = [];
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for (var i = 0; i < imgdata1.data.length; ++i)
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olddata[i] = imgdata1.data[i];
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ctx.putImageData(imgdata1, 0.1, 0.2);
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var imgdata2 = ctx.getImageData(0.1, 0.2, 15.8, 15.9);
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for (var i = 0; i < imgdata2.data.length; ++i) {
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_assertSame(olddata[i], imgdata2.data[i], "olddata[\""+(i)+"\"]", "imgdata2.data[\""+(i)+"\"]");
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}
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t.done();
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});
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done();
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