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<!doctype html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>Rotate transform equivalent</title>
<link rel="match" href="rotate-transform-equivalent-ref.html">
<meta name="fuzzy" content="maxDifference=0-46;totalPixels=0-277">
<link rel="help" href="https://drafts.csswg.org/css-transforms-2/#ctm">
<script src="/common/reftest-wait.js"></script>
<style>
.block {
border: 2px solid white; /* Avoid anti-aliasing artifacts */
height: 100px;
width: 100px;
position: absolute;
left: 100px;
top: 100px;
}
.rotation {
background: red;
}
.overlay {
background: green;
}
#rotateAdd {
rotate: 1 0 0 45deg;
}
</style>
<body>
<div id="rotateAdd" class="block rotation"></div>
<div id="rotateReplace" class="block rotation"></div>
<div id="transform" class="block overlay"></div>
<script>
'use strict';
async function waitForNextFrame() {
return new Promise(resolve => {
window.requestAnimationFrame(() => {
resolve();
});
});
}
async function createAnimation(elementName, keyframes) {
const element = document.getElementById(elementName);
const anim = element.animate(keyframes, 1000);
anim.pause();
anim.currentTime = 500;
return anim.ready;
}
onload = async function() {
await waitForNextFrame();
await createAnimation('rotateAdd', [
{rotate: '1 0 0 45deg', composite: 'add'},
{rotate: '0 0 1 90deg'}]);
await createAnimation('rotateReplace', [
{rotate: '1 0 0 90deg'},
{rotate: '0 0 1 90deg'}]);
await createAnimation('transform', [
{transform: 'matrix3d(1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1)'},
{transform: 'matrix(0, 1, -1, 0, 0, 0)'}]);
await waitForNextFrame();
takeScreenshot();
};
</script>
</body>
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