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36 lines
1.2 KiB
JavaScript
36 lines
1.2 KiB
JavaScript
// DO NOT EDIT! This test has been generated by tools/gentest.py.
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// OffscreenCanvas test in a worker:2d.drawImage.nowrap
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// Description:Stretched images do not get pixels wrapping around the edges
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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("Stretched images do not get pixels wrapping around the edges");
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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, 100, 50);
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var promise = new Promise(function(resolve, reject) {
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var xhr = new XMLHttpRequest();
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xhr.open("GET", '/images/redtransparent.png');
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xhr.responseType = 'blob';
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xhr.send();
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xhr.onload = function() {
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resolve(xhr.response);
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};
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});
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promise.then(function(response) {
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ctx.drawImage(response, -1950, 0, 2000, 50);
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_assertPixelApprox(offscreenCanvas, 45,25, 0,255,0,255, "45,25", "0,255,0,255", 2);
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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, 55,25, 0,255,0,255, "55,25", "0,255,0,255", 2);
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});
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t.done();
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});
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done();
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