Blitz - WPT: subpixel-transform-changes-002.html

wpt / css / css-transforms / subpixel-transform-changes-002.html

/css/css-transforms/subpixel-transform-changes-002.html

<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>CSS Transforms Test: Subpixel transform changes 'backface-visibility: hidden'</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-transforms/#transform-property">
<link rel="match" href="reference/subpixel-transform-changes-002-ref.html">
<meta name="assert" content="Test checks that subpixel transform changes work as expected regardless of 'backface-visibility: hidden'.">
<style>
div {
  backface-visibility: hidden;
}
</style>

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

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

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

/css/css-transforms/reference/subpixel-transform-changes-002-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Transforms Reference Test: Subpixel transform changes 'backface-visibility: hidden'</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
<style>
div {
  backface-visibility: hidden;
}
</style>

<div id="translateX1" style="transform: translateX(0.48px);">transform: translateX(0.48px);</div>
<div id="translateX2" style="transform: translateX(3.17px);">transform: translateX(3.17px);</div>
<div id="translateX3" style="transform: translateX(0.34px);">transform: translateX(0.34px);</div>

<div id="translateY1" style="transform: translateY(0.48px);">transform: translateY(0.48px);</div>
<div id="translateY2" style="transform: translateY(3.17px);">transform: translateY(3.17px);</div>
<div id="translateY3" style="transform: translateY(0.34px);">transform: translateY(0.34px);</div>

<div id="translateZ1" style="transform: translateZ(0.48px);">transform: translateZ(0.48px);</div>
<div id="translateZ2" style="transform: translateZ(3.17px);">transform: translateZ(3.17px);</div>
<div id="translateZ3" style="transform: translateZ(0.34px);">transform: translateZ(0.34px);</div>