third_party/WebKit/LayoutTests/fast/shapes/shape-outside-floats/shape-outside-rounded-boxes-001.html

   1 <html>
   2 <head>
   3 <script src="../../../resources/js-test.js"></script>
   4 <script src="../resources/subpixel-utils.js"></script>
   5 <style>
   6 #container {
   7     font: 20px/1 Ahem, sans-serif;
   8     width: 200px;
   9     height: 120px;
  10     color: rgba(0,0,200, 0.25);
  11     margin: 25px;
  12     background-color: grey;
  13 }
  14
  15 #left-border-box {
  16     float: left;
  17     border-top-right-radius: 100px 30px;
  18     border-bottom-right-radius: 100px 30px;
  19     shape-outside: border-box;
  20     width: 100px;
  21     height: 80px;
  22     margin-top: 20px;
  23     margin-bottom: 20px;
  24     background-color: blue;
  25     background-clip: border-box;
  26 }
  27 </style>
  28 </head>
  29 <body>
  30     <div id="container">
  31         <div id="left-border-box"></div>
  32         <span id="a">X</span><br>
  33         <span id="b">X</span><br>
  34         <span id="c">X</span><br>
  35         <span id="d">X</span><br>
  36         <span id="e">X</span><br>
  37         <span id="f">X</span>
  38     </div>
  39     <div id="console"></div>
  40 </body>
  41 <script>
  42 function elementRect(elementId)
  43 {
  44     var s = document.getElementById("container").getBoundingClientRect();
  45     var r = document.getElementById(elementId).getBoundingClientRect();
  46     return {left: r.left - s.left, top: r.top - s.top, width: r.width, height: r.height};
  47 }
  48
  49 // You'll find the equation for the X intercept of an elliptical arc here (among other places):
  50 // http://hansmuller-webkit.blogspot.com/2012/07/computing-horizonal-rounded-rectangle.html
  51
  52 function cornerEllipseRightXIntercept(y, cx, rx, ry)
  53 {
  54     return SubPixelLayout.snapToLayoutUnit(cx + rx * Math.sqrt(1 - Math.pow((ry - y) / ry, 2)));
  55 }
  56
  57 var quiet = true; // PASS output depends on SubPixelLayout.isEnabled()
  58
  59 shouldBe("elementRect('a').top", "0");
  60 shouldBe("elementRect('a').left", "0");
  61
  62 shouldBe("elementRect('b').top", "20");
  63 shouldBeCloseTo("elementRect('b').left", cornerEllipseRightXIntercept(40, 0, 100, 30), SubPixelLayout.resolution(), quiet);
  64
  65 shouldBe("elementRect('c').top", "40");
  66 shouldBe("elementRect('c').left", "100");
  67
  68 shouldBe("elementRect('d').top", "60");
  69 shouldBe("elementRect('d').left", "100");
  70
  71 shouldBe("elementRect('e').top", "80");
  72 shouldBeCloseTo("elementRect('e').left", cornerEllipseRightXIntercept(40, 0, 100, 30), SubPixelLayout.resolution(), quiet);
  73
  74 shouldBe("elementRect('f').top", "100");
  75 shouldBe("elementRect('f').left", "0");
  76
  77 var container = document.getElementById("container");
  78 container.parentNode.removeChild(container);
  79 </script>
  80 </html>