82 lines
2.5 KiB
HTML
82 lines
2.5 KiB
HTML
<html>
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<head>
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<script src="../../../resources/js-test-pre.js"></script>
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<script src="../resources/subpixel-utils.js"></script>
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<style>
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#container {
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font: 20px/1 Ahem, sans-serif;
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text-align: right;
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width: 200px;
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height: 120px;
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color: rgba(0,0,200, 0.25);
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margin: 25px;
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background-color: grey;
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-webkit-font-smoothing: antialiased;
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}
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#right-border-box {
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float: right;
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border-top-left-radius: 100px 30px;
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border-bottom-left-radius: 100px 30px;
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-webkit-shape-outside: border-box;
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width: 100px;
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height: 80px;
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margin-top: 20px;
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margin-bottom: 20px;
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background-color: blue;
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background-clip: border-box;
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}
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</style>
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</head>
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<body>
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<div id="container">
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<div id="right-border-box"></div>
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<span id="a">X</span><br>
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<span id="b">X</span><br>
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<span id="c">X</span><br>
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<span id="d">X</span><br>
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<span id="e">X</span><br>
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<span id="f">X</span>
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</div>
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<div id="console"></div>
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</body>
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<script>
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function elementRect(elementId)
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{
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var s = document.getElementById("container").getBoundingClientRect();
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var r = document.getElementById(elementId).getBoundingClientRect();
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return {right: (Math.round(r.left) - Math.round(s.left)) + Math.round(r.width), top: Math.round(r.top) - Math.round(s.top), width: Math.round(r.width), height: Math.round(r.height)};
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}
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// You'll find the equation for the X intercept of an elliptical arc here (among other places):
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// http://hansmuller-webkit.blogspot.com/2012/07/computing-horizonal-rounded-rectangle.html
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function cornerEllipseLeftXIntercept(y, cx, rx, ry)
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{
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var containerWidth = document.getElementById("container").getBoundingClientRect().width;
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var f = SubPixelLayout.snapToLayoutUnit(containerWidth - (cx + rx * Math.sqrt(1 - Math.pow((ry - y) / ry, 2))));
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return String( Math.round(f) );
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}
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var quiet = true; // PASS output depends on SubPixelLayout.isEnabled()
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shouldBe("elementRect('a').top", "0");
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shouldBe("elementRect('a').right", "200");
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shouldBe("elementRect('b').top", "20");
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shouldBe("elementRect('b').right", cornerEllipseLeftXIntercept(40, 0, 100, 30), quiet);
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shouldBe("elementRect('c').top", "40");
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shouldBe("elementRect('c').right", "100");
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shouldBe("elementRect('d').top", "60");
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shouldBe("elementRect('d').right", "100");
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shouldBe("elementRect('e').top", "80");
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shouldBe("elementRect('e').right", cornerEllipseLeftXIntercept(40, 0, 100, 30), quiet);
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shouldBe("elementRect('f').top", "100");
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shouldBe("elementRect('f').right", "200");
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</script>
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</html>
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