fractional-translation-from-position.html

<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: fractional translation from position</title>
<link rel="help" href="https://www.w3.org/TR/css-view-transitions-1/">
<link rel="author" href="mailto:[email protected]">
<link rel="match" href="fractional-translation-from-position-ref.html">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<script src="/common/reftest-wait.js"></script>
<style>
body {
  width: 100vw;
  height: 100vh;
  background: grey;
  font: 12px/1 Ahem;
}

#target {
  width: 100px;
  height: 100px;
  position: fixed;
  top: 100.52px;
  left: 100.37px;

  view-transition-name: target;
  contain: layout;
}

/* Keep the animation running for 30s to screenshot pseudo DOM */
::view-transition-new(root), ::view-transition-old(root) {
  animation-duration: 30s;
}

::view-transition-new(target) {
  opacity: 1;
  animation: unset;
}
::view-transition-old(target) {
  opacity: 0;
  animation: unset;
}
</style>

<div id=target>
  Here is some text which should not be blurry.
</div>

<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");

function runTest() {
  document.startViewTransition(() => {
    requestAnimationFrame(() => requestAnimationFrame(takeScreenshot));
  });
}

onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>

chromium/third_party/blink/web_tests/external/wpt/css/css-view-transitions/fractional-translation-from-position.html