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Edit File: jquery.plugin.html2canvas.js

/**
  @license html2canvas v0.34 <http://html2canvas.hertzen.com>
  Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
  http://www.twitter.com/niklasvh

Released under MIT License
 */
/*
 * jQuery helper plugin for examples and tests
 */
(function( $ ){
    $.fn.html2canvas = function(options) {
        if (options && options.profile && window.console && window.console.profile) {
            console.profile();
        }
        var date = new Date(),
        html2obj,
        $message = null,
        timeoutTimer = false,
        timer = date.getTime();
        options = options || {};

options.onrendered = options.onrendered || function( canvas ) {
            var $canvas = $(canvas),
            finishTime = new Date();

if (options && options.profile && window.console && window.console.profileEnd) {
                console.profileEnd();
            }
            $canvas.css({
                position: 'absolute',
                left: 0,
                top: 0
            }).appendTo(document.body);
            $canvas.siblings().toggle();

$(window).click(function(){
                $canvas.toggle().siblings().toggle();
                throwMessage("Canvas Render " + ($canvas.is(':visible') ? "visible" : "hidden"));
            });
            throwMessage('Screenshot created in '+ ((finishTime.getTime()-timer)) + " ms<br />",4000);

// test if canvas is read-able
            try {
                $canvas[0].toDataURL();
            } catch(e) {
                if ($canvas[0].nodeName.toLowerCase() === "canvas") {
                    // TODO, maybe add a bit less offensive way to present this, but still something that can easily be noticed
                    alert("Canvas is tainted, unable to read data");
                }
            }
        };

html2obj = html2canvas(this, options);