accelerated-scrolling-with-clip-path-text.html

<!DOCTYPE html>
<html>
<head>
<style>
  .clip-path {
    -webkit-clip-path: url('#clipping');
    clip-path: url('#clipping');
    overflow: scroll;
  }

  .outer {
    height: 400px;
    width: 400px;
    background-color: blue;
  }

  .inner {
    height: 500px;
    width: 500px;
    background-color: yellow;
  }

  .spacer {
    width: 100px;
    height: 100px;
    background-color: green;
  }

  .bottom {
    position: relative;
    top: 250px;
  }
</style>

<script>
  if (window.internals)
    internals.settings.setPreferCompositingToLCDTextEnabled(true);
</script>
</head>

<body>
<!-- Do not remove the text. Having the div at some vertical offset verifies that we correctly offset the clip -->
This tests that reference clip-path with text is correctly applied with composited scrolling.

<svg width="0", height="0">
  <defs>
    <clipPath id="clipping">
      <text x="100" y="120" style="font-size:60px;font-weight:bold;">CLIP</text>
    </clipPath>
  </defs>
</svg>

<div class="clip-path outer" id="outer">
  <div class="spacer"></div>
  <div class="inner">
    <div class="spacer bottom"></div>
  </div>
  <div class="spacer"></div>
</div>
</body>
</html>

chromium/third_party/blink/web_tests/compositing/overflow/accelerated-scrolling-with-clip-path-text.html