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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: c7258ef9af923c5fa4ef40ef5630595e21e8a87f authored by Brian Burg on 28 March 2018, 23:43:41 UTC
WebDriver: add more WebKit workarounds to detect whether a window is fullscreen
Tip revision: c7258ef
canvas_linestyles_linecap_001.htm 
<!doctype HTML>
<html>
    <head>
        <title>HTML5 Canvas Test: "square" lineCap</title>
        <link rel="match" href="canvas_linestyles_linecap_001-ref.htm">
        <link rel="author" title="Microsoft" href="http://www.microsoft.com" />
        <link rel="help" href="http://www.w3.org/TR/2dcontext/#dom-context-2d-linecap" />
        <meta name="assert" content="The square value of lineCap means that a rectangle with the length of the line width and the width of half the line width, placed flat against the edge perpendicular to the direction of the line, must be added at the end of each line." />
        <script type="text/javascript">
            function runTest()
            {
                var canvas = document.getElementById("canvas1");
                var ctx = canvas.getContext("2d");

                // Draw the first red rectangle.
                ctx.fillStyle ="rgba(255, 0, 0, 1.0)";
                ctx.fillRect(75, 0, 25, 50);

                // Draw second red rectangle.
                ctx.fillRect(0, 0, 25, 50);

                // Draw a line with square lineCap.
                ctx.strokeStyle = "rgba(0, 0, 0, 1.0)";
                ctx.lineWidth = 50;
                ctx.lineCap = "square";
                ctx.beginPath();
                ctx.moveTo(25, 25);
                ctx.lineTo(75, 25);
                ctx.stroke();
            }
        </script>
    </head>
    <body onload="runTest()">
        <p>Description: The square value of lineCap means that a rectangle with the length of the line width and the width of half the line width, placed flat against the edge perpendicular to the direction of the line, must be added at the end of each line.</p>
        <canvas id="canvas1" width="300" height="150">Browser does not support HTML5 Canvas.</canvas>
    </body>
</html>
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