canvas_transformations_scale_001-ref.htm

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    <head>
        <title>HTML5 Canvas Test: scale() transformation</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com" />
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    <body>
        <p>Description: The scale(x, y) method must add the scaling transformation described by the arguments to the transformation matrix.</p>
        <div><img alt='black rectangle' src="/images/black-rectangle.png"></div>
    </body>
</html>

chromium/third_party/blink/web_tests/external/wpt/html/canvas/element/manual/transformations/canvas_transformations_scale_001-ref.htm