third_party/WebKit/LayoutTests/fast/repaint/mix-blend-mode-separate-stacking-context.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4 <style>
   5     div {
   6         margin: 20px;
   7         width: 60px;
   8         height: 60px;
   9         float: left;
  10     }
  11 </style>
  12 <script src="resources/text-based-repaint.js" type="text/javascript"></script>
  13 <!-- Repaint test to ensure that setting a blend mode dynamically triggers this operation
  14     only with the contents of the nearest ancestor stacking context. -->
  15 <body onload="runRepaintTest()">
  16     <div style="background: green; position: relative; z-index: -1;">
  17         <div id="first" style="mix-blend-mode: normal; background-color: blue;"></div>
  18     </div>
  19     <div style="background: green; position: relative; z-index: -1;">
  20         <div id="second" style="mix-blend-mode: hue; background-color: blue;"></div>
  21     </div>
  22     <div style="background: green; position: relative; z-index: -1;">
  23         <div id="third" style="mix-blend-mode: hue; background-color: blue;"></div>
  24     </div>
  25     <div id="fourth" style="background: green;">
  26         <div style="mix-blend-mode: hue; background-color: blue;"></div>
  27     </div>
  28
  29     <script>
  30         function repaintTest() {
  31             document.getElementById('first').style.mixBlendMode = "multiply";
  32             document.getElementById('second').style.mixBlendMode = "normal";
  33             document.getElementById('third').style.mixBlendMode = "multiply";
  34             document.getElementById('fourth').style.position = "relative";
  35             document.getElementById('fourth').style.zIndex = -1;
  36         }
  37     </script>
  38 </body>