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Filename : jquery.plugin.html2canvas.js
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/**

  @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);



        function throwMessage(msg,duration){

            window.clearTimeout(timeoutTimer);

            timeoutTimer = window.setTimeout(function(){

                $message.fadeOut(function(){

                    $message.remove();

                    $message = null;

                });

            },duration || 2000);

            if ($message)

                $message.remove();

            $message = $('<div />').html(msg).css({

                margin:0,

                padding:10,

                background: "#000",

                opacity:0.7,

                position:"fixed",

                top:10,

                right:10,

                fontFamily: 'Tahoma',

                color:'#fff',

                fontSize:12,

                borderRadius:12,

                width:'auto',

                height:'auto',

                textAlign:'center',

                textDecoration:'none',

                display:'none'

            }).appendTo(document.body).fadeIn();

            html2obj.log(msg);

        }

    };

})( jQuery );