blob: 91efd142d231984632ac16ff73fbea91426468cd [file] [log] [blame]
<!DOCTYPE HTML>
<!-- READ BEFORE UPDATING:
If this test is updated make sure to increment the "revision" value of the
associated test in content/test/gpu/gpu_tests/pixel_test_pages.py. This will ensure
that the baseline images are regenerated on the next run.
-->
<html>
<head>
<title>OffscreenCanvas2d.commit with resizing: red rectangle in the middle.</title>
<style type="text/css">
.nomargin {
margin: 0px auto;
}
</style>
<script id="myWorker" type="text/worker">
self.onmessage = function(e) {
var transfered = e.data;
// Resize offscreenCanvas from 200X200 to 40X50.
transfered.width = 40;
transfered.height = 50;
var ctx2d = transfered.getContext('2d');
// The resultant image should be 100X80 red-color rectangle in the middle
// of green background.
ctx2d.fillStyle = "green";
ctx2d.fillRect(0, 0, transfered.width, transfered.height);
ctx2d.fillStyle = "red";
ctx2d.fillRect(10, 10, 20, 20);
ctx2d.commit();
self.postMessage("");
};
</script>
<script>
var g_swapsBeforeAck = 15;
function makeWorker(script)
{
var blob = new Blob([script]);
return new Worker(URL.createObjectURL(blob));
}
function waitForFinish()
{
if (g_swapsBeforeAck == 0) {
domAutomationController.setAutomationId(1);
domAutomationController.send("SUCCESS");
} else {
g_swapsBeforeAck--;
document.getElementById('container').style.zIndex = g_swapsBeforeAck + 1;
window.webkitRequestAnimationFrame(waitForFinish);
}
}
function main()
{
var canvas2D = document.getElementById("c");
var offscreenCanvas = canvas2D.transferControlToOffscreen();
var worker = makeWorker(document.getElementById("myWorker").textContent);
worker.onmessage = function (e) {
waitForFinish();
};
worker.postMessage(offscreenCanvas, [offscreenCanvas]);
}
</script>
</head>
<body onload="main()">
<div style="position:relative; width:200px; height:200px; background-color:white">
</div>
<div id="container" style="position:absolute; top:0px; left:0px">
<canvas id="c" width="200" height="200" class="nomargin"></canvas>
</div>
</body>
</html>