third_party/WebKit/LayoutTests/fast/canvas/canvas-composite-shadow.html

   1 <html>
   2   <head>
   3     <title>A canvas globalCompositeOperation with shadow</title>
   4     <script>
   5     if (window.testRunner)
   6       testRunner.dumpAsTextWithPixelResults();
   7
   8     var compositeTypes = [
   9       'source-over', 'source-in', 'source-out', 'source-atop',
  10       'destination-over', 'destination-in', 'destination-out', 'destination-atop',
  11       'lighter', 'copy', 'xor', 'multiply', 'screen', 'overlay', 'darken',
  12       'lighten', 'color-dodge', 'color-burn', 'hard-light', 'soft-light',
  13       'difference', 'exclusion', 'hue', 'saturation', 'color', 'luminosity'
  14     ];
  15     function draw(){
  16       for (i=0;i<compositeTypes.length;i++){
  17         var label = document.createTextNode(compositeTypes[i]);
  18         document.getElementById('lab'+i).appendChild(label);
  19         var canvas = document.getElementById('tut'+i);
  20         canvas.width = 80;
  21         canvas.height = 80;
  22         var ctx = canvas.getContext('2d');
  23
  24         // draw rectangle
  25         ctx.fillStyle = "#09f";
  26         ctx.fillRect(5,5,45,45);
  27
  28         // set composite property
  29         ctx.globalCompositeOperation = compositeTypes[i];
  30
  31         // draw rectangle with shadow
  32         ctx.fillStyle = "#f30";
  33         ctx.shadowColor = 'blue';
  34         ctx.shadowBlur = 10;
  35         ctx.shadowOffsetX = 10;
  36         ctx.shadowOffsetY = -10;
  37         ctx.fillRect(20,25,45,45);
  38       }
  39     }
  40     </script>
  41     <style type="text/css">
  42       body { margin: 20px; font-family: arial,verdana,helvetica; background: #fff;}
  43       h1 { font-size: 140%; font-weight:normal; color: #036; border-bottom: 1px solid #ccc; }
  44       canvas { border: 2px solid #000; margin-bottom: 5px; }
  45       td { padding: 4px; }
  46       pre { float:left; display:block; background: rgb(238,238,238); border: 1px dashed #666; padding: 15px 20px; margin: 0 0 10px 0; }
  47     </style>
  48   </head>
  49   <body onload="draw();">
  50     <div>
  51       <table>
  52         <tr>
  53           <td><canvas id="tut0"></canvas><br/><label id="lab0"></label></td>
  54           <td><canvas id="tut1"></canvas><br/><label id="lab1"></label></td>
  55           <td><canvas id="tut2"></canvas><br/><label id="lab2"></label></td>
  56           <td><canvas id="tut3"></canvas><br/><label id="lab3"></label></td>
  57           <td><canvas id="tut4"></canvas><br/><label id="lab4"></label></td>
  58           <td><canvas id="tut5"></canvas><br/><label id="lab5"></label></td>
  59           <td><canvas id="tut6"></canvas><br/><label id="lab6"></label></td>
  60         </tr>
  61         <tr>
  62           <td><canvas id="tut7"></canvas><br/><label id="lab7"></label></td>
  63           <td><canvas id="tut8"></canvas><br/><label id="lab8"></label></td>
  64           <td><canvas id="tut9"></canvas><br/><label id="lab9"></label></td>
  65           <td><canvas id="tut10"></canvas><br/><label id="lab10"></label></td>
  66           <td><canvas id="tut11"></canvas><br/><label id="lab11"></label></td>
  67           <td><canvas id="tut12"></canvas><br/><label id="lab12"></label></td>
  68           <td><canvas id="tut13"></canvas><br/><label id="lab13"></label></td>
  69         </tr>
  70         <tr>
  71           <td><canvas id="tut14"></canvas><br/><label id="lab14"></label></td>
  72           <td><canvas id="tut15"></canvas><br/><label id="lab15"></label></td>
  73           <td><canvas id="tut16"></canvas><br/><label id="lab16"></label></td>
  74           <td><canvas id="tut17"></canvas><br/><label id="lab17"></label></td>
  75           <td><canvas id="tut18"></canvas><br/><label id="lab18"></label></td>
  76           <td><canvas id="tut19"></canvas><br/><label id="lab19"></label></td>
  77           <td><canvas id="tut20"></canvas><br/><label id="lab20"></label></td>
  78         </tr>
  79         <tr>
  80           <td><canvas id="tut21"></canvas><br/><label id="lab21"></label></td>
  81           <td><canvas id="tut22"></canvas><br/><label id="lab22"></label></td>
  82           <td><canvas id="tut23"></canvas><br/><label id="lab23"></label></td>
  83           <td><canvas id="tut24"></canvas><br/><label id="lab24"></label></td>
  84           <td><canvas id="tut25"></canvas><br/><label id="lab25"></label></td>
  85         </tr>
  86       </table>
  87     </div>
  88   </body>
  89 </html>