custom-highlight-font-metrics-005.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-highlight-api/painting/custom-highlight-font-metrics-005.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html class="reftest-wait">

<meta charset="UTF-8">

<title>CSS Highlight API Test: </title>

<link rel="help" href="https://drafts.csswg.org/css-highlight-api-1/">

<link rel="help" href="https://drafts.csswg.org/css-pseudo/#highlight-styling">

<link rel="match" href="custom-highlight-font-metrics-005-ref.html">

<meta name="assert" value="dynmamic font size changes with highlights and font relative metrics">

<meta name="fuzzy" content="0-80;0-10">

<script src="/common/reftest-wait.js"></script>

<head>

  <style>

    :root {

      font-size: 16px;

    div {

      margin: 50px;

      font-size: 40px;

    #h2 {

      font-size: 20px;

    ::highlight(highlight1) {

      text-underline-offset: 0.5em;

      text-decoration-line: underline;

      text-decoration-color: green;

      text-decoration-thickness: 0.25rem;

  </style>

</head>

<body>

  <div id="h1">Font relative units with 20px font</div>

  <div id="h2">Font relative units with 20px font</div>

  <script>

    let r1 = new Range();

    r1.setStart(h1, 0);

    r1.setEnd(h1, 1);

    let r2 = new Range();

    r2.setStart(h2, 0);

    r2.setEnd(h2, 1);

    CSS.highlights.set("highlight1", new Highlight(r1, r2));

    requestAnimationFrame(() => {

      h1.style.fontSize = "20px";

      requestAnimationFrame(() => { takeScreenshot() }

    )});

  </script>

</body>

</html>