wpt/css/css-font-loading/fontface-from-arraybuffer.html at ac6eed4ded49d9971411b6156c2db955c1090d83 · web-platform-tests/wpt · GitHub

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<!DOCTYPE html>
<html class="reftest-wait">
    <head>
        <title>Constructing a FontFace from an ArrayBuffer should be equivalent to loading the same data from an URL</title>
        <link rel="help" href="https://drafts.csswg.org/css-font-loading/#font-face-constructor">
        <link rel="author" title="Simon Wülker" href="simon.wuelker@arcor.de">
        <link rel=match href=fontface-from-arraybuffer-ref.html>
        <link rel="help" href="https://github.com/servo/servo/issues/39657">
        <script src="/common/reftest-wait.js"></script>
    </head>
    <body>
        <canvas id="canvas" width="500px" height="500px"></canvas>
        <script>
          fetch("/fonts/Ahem.ttf")
          .then(res => res.arrayBuffer())
          .then(arrayBuffer => {
            const ahem_font = new FontFace(
              "FontFamily AhemTest",
              arrayBuffer,
            );
            document.fonts.add(ahem_font);
            ahem_font.load().then(
              () => {
                const ctx = canvas.getContext("2d");
                ctx.font = '36px "FontFamily AhemTest"';
                ctx.fillText("Ahem font loaded", 20, 50);
                takeScreenshot();
              }
            );
          });
        </script>
    </body>
</html>