jssource/src_files/include/SugarCharts/Jit/FlashCanvas/canvas2png.js

   1 /*
   2  * canvas2png.js
   3  *
   4  * Copyright (c) 2010-2011 Shinya Muramatsu
   5  * Released under the MIT License
   6  * http://flashcanvas.net/
   7  */
   8
   9 (function(doc) {
  10
  11 var scripts = doc.getElementsByTagName("script");
  12 var script  = scripts[scripts.length - 1];
  13 var url     = script.getAttribute("src").replace(/[^\/]+$/, "save.php");
  14
  15 window.canvas2png = function(canvas) {
  16     var tagName = canvas.tagName.toLowerCase();
  17     if (tagName !== "canvas") {
  18         return;
  19     }
  20
  21     if (typeof FlashCanvas !== "undefined") {
  22         FlashCanvas.saveImage(canvas);
  23     } else {
  24         var form  = doc.createElement("form");
  25         var input = doc.createElement("input");
  26
  27         form.setAttribute("action", url);
  28         form.setAttribute("method", "post");
  29
  30         input.setAttribute("type",  "hidden");
  31         input.setAttribute("name",  "dataurl");
  32         input.setAttribute("value", canvas.toDataURL());
  33
  34         doc.body.appendChild(form);
  35         form.appendChild(input);
  36         form.submit();
  37         form.removeChild(input);
  38         doc.body.removeChild(form);
  39     }
  40 }
  41
  42 })(document);