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content / test / data / gpu / pixel_paintWorklet_transform.html [blame]
<!DOCTYPE HTML>
<html>
<head>
<meta name="viewport" content="initial-scale=1">
<title>PaintWorklet with basic draw and transform operations</title>
<style type="text/css">
.nomargin {
margin: 0px auto;
width:300px;
height:300px;
background-image:paint(basic);
}
</style>
<script id="code" type="text/worklet">
registerPaint('basic', class {
paint(ctx, geom) {
ctx.fillStyle = 'green';
ctx.transform(1, 0.5, 0, 1, 20, 20);
ctx.fillRect(0, 0, 50, 50);
ctx.resetTransform();
ctx.fillStyle = 'blue';
ctx.translate(150, 60);
ctx.rotate(60 * Math.PI / 180);
ctx.scale(1.5, 1);
ctx.fillRect(0, 0, 50, 50);
}
});
</script>
<script>
var g_swapsBeforeAck = 15;
function main()
{
var code = document.getElementById('code').textContent;
var blob = new Blob([code], {type: 'text/javascript'});
CSS.paintWorklet.addModule(URL.createObjectURL(blob)).then(function() {
});
waitForFinish();
}
function waitForFinish()
{
// This tests need paint worklet implemented.
if (g_swapsBeforeAck == 0 || typeof CSS.paintWorklet === 'undefined') {
domAutomationController.send("SUCCESS");
} else {
g_swapsBeforeAck--;
document.getElementById('container').style.zIndex = g_swapsBeforeAck + 1;
window.requestAnimationFrame(waitForFinish);
}
}
</script>
</head>
<body onload="main()">
<div style="position:relative; width:300px; height:300px; background-color:white">
</div>
<div id="container" style="position:absolute; top:0px; left:0px">
<div id="target" class="nomargin"></div>
</div>
</body>
</html>