dom/canvas/test/imagebitmap_structuredclone_iframe.html

   1 <!DOCTYPE HTML>
   2 <meta charset="utf-8">
   3 <body>
   4   <script type="application/javascript">
   5
   6   function ok(expect, msg) {
   7     window.parent.postMessage({"type": "status", status: !!expect, msg}, "*");
   8   }
   9
  10   window.onmessage = function(event) {
  11     ok(!!event.data.bitmap1, "Get the 1st ImageBitmap from the main script.");
  12     ok(!!event.data.bitmap2, "Get the 2st ImageBitmap from the main script.");
  13
  14     // send the first original ImageBitmap back to the main window
  15     window.parent.postMessage({"type":"bitmap1", "bitmap":event.data.bitmap1}, "*");
  16
  17     // create a new ImageBitmap from the 2nd original ImageBitmap
  18     // and then send the newly created ImageBitmap back to the main window
  19     var promise = createImageBitmap(event.data.bitmap2);
  20     promise.then(
  21       function(bitmap) {
  22         ok(true, "Successfully create a new ImageBitmap from the 2nd original bitmap in worker.");
  23
  24         // send the newly created ImageBitmap back to the main window
  25         window.parent.postMessage({"type":"bitmap2", "bitmap":bitmap}, "*");
  26
  27         // finish the test
  28         window.parent.postMessage({"type": "finish"}, "*");
  29       },
  30       function() {
  31         ok(false, "Cannot create a new bitmap from the original bitmap in worker.");
  32       }
  33     );
  34   }
  35
  36
  37   </script>
  38 </body>