blob: 2b18c36c710ca37efa433702a888114b452cd963 [file] [log] [blame]
<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.composite.image.destination-atop</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/canvas-tests.js"></script>
<h1>2d.composite.image.destination-atop</h1>
<p class="desc"></p>
<script>
var t = async_test("");
t.step(function() {
var offscreenCanvas = new OffscreenCanvas(100, 50);
var ctx = offscreenCanvas.getContext('2d');
ctx.fillStyle = 'rgba(0, 255, 255, 0.5)';
ctx.fillRect(0, 0, 100, 50);
ctx.globalCompositeOperation = 'destination-atop';
var promise = new Promise(function(resolve, reject) {
var xhr = new XMLHttpRequest();
xhr.open("GET", '/images/yellow75.png');
xhr.responseType = 'blob';
xhr.send();
xhr.onload = function() {
resolve(xhr.response);
};
});
promise.then(function(response) {
ctx.drawImage(response, 0, 0);
_assertPixelApprox(offscreenCanvas, 50,25, 128,255,128,191, "50,25", "128,255,128,191", 5);
});
t.done();
});
</script>