subpixel-transform-changes-003.html

<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>CSS Transforms Test: Subpixel transform changes fixed positioning</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-transforms/#transform-property">
<link rel="match" href="reference/subpixel-transform-changes-003-ref.html">
<meta name="assert" content="Test checks that subpixel transform changes work as expected regardless of fixed positioning.">
<style>
div {
  position: fixed;
  left: 10px;
}
</style>

<div id="translateX1" style="transform: translateX(0.12px); top: 0px;">transform: translateX(0.48px);</div>
<div id="translateX2" style="transform: translateX(0.56px); top: 30px;">transform: translateX(3.17px);</div>
<div id="translateX3" style="transform: translateX(1.87px); top: 60px;">transform: translateX(0.34px);</div>

<div id="translateY1" style="transform: translateY(0.12px); top: 90px;">transform: translateY(0.48px);</div>
<div id="translateY2" style="transform: translateY(0.56px); top: 120px;">transform: translateY(3.17px);</div>
<div id="translateY3" style="transform: translateY(1.87px); top: 150px;">transform: translateY(0.34px);</div>

<div id="translateZ1" style="transform: translateZ(0.12px); top: 180px;">transform: translateZ(0.48px);</div>
<div id="translateZ2" style="transform: translateZ(0.56px); top: 210px;">transform: translateZ(3.17px);</div>
<div id="translateZ3" style="transform: translateZ(1.87px); top: 240px;">transform: translateZ(0.34px);</div>

<!-- Force overflow on the body element. -->
<div style="width: 200vw; height: 300vh;"></div>

<script>
  requestAnimationFrame(() => requestAnimationFrame(() => {
    translateX1.style.transform = "translateX(0.48px)";
    translateX2.style.transform = "translateX(3.17px)";
    translateX3.style.transform = "translateX(0.34px)";

    translateY1.style.transform = "translateY(0.48px)";
    translateY2.style.transform = "translateY(3.17px)";
    translateY3.style.transform = "translateY(0.34px)";

    translateZ1.style.transform = "translateZ(0.48px)";
    translateZ2.style.transform = "translateZ(3.17px)";
    translateZ3.style.transform = "translateZ(0.34px)";

    document.documentElement.classList.remove("reftest-wait");
  }));
</script>
</html>
chromium/third_party/blink/web_tests/external/wpt/css/css-transforms/subpixel-transform-changes-003.html
