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https://github.com/niklasvh/html2canvas.git
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removed screenshots.html, it's available in gh-pages branch
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Niklas von Hertzen
parent
94f2f799a4
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6eab1d5a9c
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screenshots.html
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screenshots.html
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<!DOCTYPE html>
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<html>
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<head>
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<title>JavaScript screenshot creator</title>
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<style type="text/css">
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a {
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color: #0B0B0B;
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background-color: #FDF9EE;
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padding: 0 8px;
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text-decoration: none;
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font: normal 12px/16px "Trebuchet MS", Arial, Helvetica, sans-serif;
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}
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a:hover {
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color: #0B0B0B;
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background-color: #EFEBDE;
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padding: 0 8px;
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text-decoration: none;
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font: normal 12px/16px "Trebuchet MS", Arial, Helvetica, sans-serif;
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}
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body {
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font: normal 14px/19px Arial, Helvetica, sans-serif;
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background-color: white;
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color: #4E4628;
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}
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textarea {
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background-color: #EFEBDE;
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color: #0B0B0B;
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border: #C3BCA4 1px solid;
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font: normal 11px Arial, Helvetica, sans-serif;
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width:300px;
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height:150px;
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}
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h2 {
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background-color: white;
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color: #0B0B0B;
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font: normal 28px/46px Georgia, "Times New Roman", Times, serif;
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margin:0;
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clear:both;
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}
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h3 {
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color: #786E4E;
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padding: 0 0 10px 55px;
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height: 37px;
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font: normal 24px/30px Georgia, "Times New Roman", Times, serif;
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}
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ul{
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float:left;
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margin:0;
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}
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table{
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margin:0 auto;
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width:400px;
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border:1px solid black;
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}
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#content{
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clear:both;
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text-align:center;
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}
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#about{
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padding:0 10px;
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width:450px;
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float:left;
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}
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</style>
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<script type="text/javascript" src="external/jquery-1.6.2.min.js"></script>
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<script type="text/javascript" src="build/html2canvas.js?221"></script>
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<script type="text/javascript" src="build/jquery.plugin.html2canvas.js"></script>
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<script type="text/javascript" src="http://www.hertzen.com/js/ganalytics-heatmap.js"></script>
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<script type="text/javascript">
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var date = new Date();
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var message,
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timeoutTimer,
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timer;
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var proxyUrl = "http://html2canvas.appspot.com";
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function addRow(table,field,val){
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var tr = $('<tr />').appendTo( $(table));
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tr.append($('<td />').css('font-weight','bold').text(field)).append($('<td />').text(val));
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}
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function throwMessage(msg,duration){
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window.clearTimeout(timeoutTimer);
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timeoutTimer = window.setTimeout(function(){
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message.fadeOut(function(){
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message.remove();
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});
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},duration || 2000);
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$(message).remove();
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message = $('<div />').html(msg).css({
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margin:0,
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padding:10,
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background: "#000",
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opacity:0.7,
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position:"fixed",
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top:10,
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right:10,
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fontFamily: 'Tahoma' ,
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color:'#fff',
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fontSize:12,
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borderRadius:12,
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width:'auto',
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height:'auto',
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textAlign:'center',
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textDecoration:'none'
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}).hide().fadeIn().appendTo('body');
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}
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$(function(){
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$('ul li a').click(function(e){
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e.preventDefault();
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$('#url').val(this.href);
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$('button').click();
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})
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var iframe,d;
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$('input[type="button"]').click(function(){
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$(iframe.contentWindow).unbind('load');
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$(iframe).contents().find('body').html2canvas({
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canvasHeight: d.body.scrollHeight,
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canvasWidth: d.body.scrollWidth,
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logging:true
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});
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});
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$('button').click(function(){
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$(this).prop('disabled',true);
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var url = $('#url').val();
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$('#content').append($('<img />').attr('src','loading.gif').css('margin-top',40));
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var urlParts = document.createElement('a');
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urlParts.href = url;
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$.ajax({
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data: {
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xhr2:false,
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url:urlParts.href
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},
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url: proxyUrl,
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dataType: "jsonp",
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success: function(html){
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iframe = document.createElement('iframe');
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$(iframe).css({
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'visibility':'hidden'
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}).width($(window).width()).height($(window).height());
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$('#content').append(iframe);
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d = iframe.contentWindow.document;
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d.open();
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$(iframe.contentWindow).load(function(){
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// timer = date.getTime();
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var date = new Date();
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var message,
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timeoutTimer,
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timer = date.getTime();
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var body = $(iframe).contents().find('body')[0];
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var preload = html2canvas.Preload(body, {
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"complete": function(images){
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var queue = html2canvas.Parse(body, images);
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var canvas = $(html2canvas.Renderer(queue));
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var finishTime = new Date();
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$("#content").empty().append(canvas);
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// throwMessage('Screenshot created in '+ ((finishTime.getTime()-timer)/1000) + " seconds<br />",4000);
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}
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});
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/*
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$(iframe).contents().find('body').html2canvas({
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canvasHeight: d.body.scrollHeight,
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canvasWidth: d.body.scrollWidth,
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logging:true,
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proxyUrl: proxyUrl,
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logger:function(msg){
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$('#logger').val(function(e,i){
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return i+"\n"+msg;
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});
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},
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ready: function(renderer) {
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$('button').prop('disabled',false);
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$("#content").empty();
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var finishTime = new Date();
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var table = $('<table />');
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$('#content')
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.append('<h2>Screenshot</h2>')
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.append(renderer.canvas)
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.append('<h3>Details</h3>')
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.append(table);
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addRow(table,"Creation time",((finishTime.getTime()-timer)/1000) + " seconds");
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addRow(table,"Total draws", renderer.numDraws);
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addRow(table,"Context stacks", renderer.contextStacks.length);
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addRow(table,"Loaded images", renderer.images.length/2);
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addRow(table,"Performed z-index reorder", renderer.needReorder);
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addRow(table,"Used rangeBounds", renderer.support.rangeBounds);
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throwMessage('Screenshot created in '+ ((finishTime.getTime()-timer)/1000) + " seconds<br />Total of "+renderer.numDraws+" draws performed",4000);
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}
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});*/
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});
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$('base').attr('href',urlParts.protocol+"//"+urlParts.hostname+"/");
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var base = "<base href='"+urlParts.protocol+"//"+urlParts.hostname+"/' />";
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var headIdx = html.indexOf('<head');
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var endHeadIdx = html.indexOf('>', headIdx);
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html = html.substring(0, endHeadIdx + 1) + base + html.substring(endHeadIdx + 1);
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if ($("#disablejs").prop('checked')){
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html = html.replace(/\<script/gi,"<!--<script");
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html = html.replace(/\<\/script\>/gi,"<\/script>-->");
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}
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// console.log(html);
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d.write(html);
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d.close();
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}
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});
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});
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});
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</script>
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<script type="text/javascript">
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var _gaq = _gaq || [];_gaq.push(['_setAccount', 'UA-188600-10']);_gaq.push(['_trackPageview']);(function() {var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);})();
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</script>
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<base />
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</head>
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<body>
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<!-- <div style="background:red;padding:10px;color:#fff">
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App engine proxy is <a href="http://twitter.com/#!/Niklasvh/status/96265826713350144">temporarily out of use</a> due to exceeded bandwidth use. Please try again tomorrow or meanwhile check other examples <a href="http://html2canvas.hertzen.com/">here</a>.
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</div>-->
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<div style="float:left;width:500px;">
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<h1>JavaScript screenshot creator</h1>
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<label for="url">Website URL:</label>
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<input type="url" id="url" value="http://www.yahoo.com" /><button>Get screenshot!</button>
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<!-- <input type="button" value="Try anyway" />--><br />
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<label for="disablejs">Disable JavaScript (recommended, doesn't work well with the proxy)</label> <input type="checkbox" id="disablejs" checked /><br />
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<small>Tested with Google Chrome 12, Firefox 4 and Opera 11.5</small>
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</div>
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<div style="float:right;">
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<div style="margin-left:17px;float:right;">
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<!-- Place this tag in your head or just before your close body tag -->
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<script type="text/javascript" src="https://apis.google.com/js/plusone.js"></script>
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<!-- Place this tag where you want the +1 button to render -->
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<g:plusone size="tall"></g:plusone>
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</div>
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<div style="float:right;">
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<a href="http://twitter.com/share" class="twitter-share-button" data-url="http://html2canvas.hertzen.com/" data-text="html2canvas - screenshots with #JavaScript" data-count="vertical" data-via="niklasvh">Tweet</a><script type="text/javascript" src="http://platform.twitter.com/widgets.js"></script>
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</div>
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</div>
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<div style="clear:both;"></div>
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<h3>Recommended (tested) pages:</h3>
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<ul>
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<li><a href="http://www.yahoo.com">yahoo.com</a></li>
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<li><a href="http://www.google.com">google.com</a></li>
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<li><a href="https://github.com/niklasvh/html2canvas">github.com</a></li>
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<li><a href="http://www.smashingmagazine.com">smashingmagazine.com</a></li>
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<li><a href="http://www.mashable.com">mashable.com</a></li>
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<li><a href="http://www.facebook.com/google">facebook.com/google</a></li>
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<li><a href="http://www.youtube.com/">youtube.com</a></li>
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<li><a href="http://www.cnn.com/">cnn.com</a></li>
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<li><a href="http://www.engadget.com/">engadget.com (lot of elements, very slow)</a></li>
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<li><a href="http://eu.battle.net/en/">battle.net</a></li>
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</ul>
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<div id="about"><b> About</b><br />
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The whole screenshot is created with JavaScript. The only server interaction that is happening on this page is the proxy for loading the external pages/images into JSONP/CORS enabled page and onwards onto the JavaScript renderer script.
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There are a lot of problems of loading external pages, even with a proxy, and as such many pages will not render at all. If you wish to try the script properly, I recommend you get a copy of the source from <a href="https://github.com/niklasvh/html2canvas">here</a> instead.
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</div>
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<div id="content"></div>
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</body>
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</html>
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