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<!DOCTYPE html>
<html class="reftest-wait reftest-no-flush" reftest-resolution="0.5">
<meta name="viewport" content="width=device-width,minimum-scale=0.5,initial-scale=1">
<!--
A test for a partial pre-rendered transform animation with <1.0 resolution.
-->
<style>
html {
scrollbar-width: none;
}
body {
margin: 0px;
padding: 0px;
}
@keyframes anim {
/* The reftest window size is (800x1000) and it's scaled by 0.5 */
/* (= 1600x2000), which means the partial pre-render size is (2250x2250) so */
/* move to a position inside the pre-render area and away from the */
/* pre-render right edge, translateX(-650px), so that we can avoid blurry */
/* edges in comparison with the reference. */
to { transform: translateX(-400px); }
}
#target {
width: 4000px;
height: 4000px;
position: absolute;
transform: translateX(0px);
}
</style>
<div id="target">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4000 4000">
<rect fill="green" x="0" width="1600" height="4000"></rect>
<rect fill="blue" x="1600" width="650" height="4000"></rect>
<rect fill="red" x="2250" width="1750" height="4000"></rect>
</svg>
</div>
<script>
document.addEventListener("MozReftestInvalidate", () => {
target.style.animation = "anim 100s 1s step-start";
target.addEventListener("animationstart", () => {
// animtionstart event is fired just before requestAnimationFrame callbacks,
// so we need to wait two rAF to make sure the initial animation value is
// composited on the compositor.
requestAnimationFrame(() => {
requestAnimationFrame(() => {
document.documentElement.classList.remove("reftest-wait");
});
});
});
}, { once: true });
</script>
</html>
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