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<!DOCTYPE html>
< html >
< head >
< title > JavaScript screenshot creator< / title >
< style type = "text/css" >
a {
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color: #0B0B0B;
background-color: #FDF9EE;
padding: 0 8px;
text-decoration: none;
font: normal 12px/16px "Trebuchet MS", Arial, Helvetica, sans-serif;
}
a:hover {
color: #0B0B0B;
background-color: #EFEBDE;
padding: 0 8px;
text-decoration: none;
font: normal 12px/16px "Trebuchet MS", Arial, Helvetica, sans-serif;
}
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body {
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font: normal 14px/19px Arial, Helvetica, sans-serif;
background-color: white;
color: #4E4628;
}
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textarea {
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background-color: #EFEBDE;
color: #0B0B0B;
border: #C3BCA4 1px solid;
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font: normal 11px Arial, Helvetica, sans-serif;
width:300px;
height:150px;
}
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h2 {
background-color: white;
color: #0B0B0B;
font: normal 28px/46px Georgia, "Times New Roman", Times, serif;
margin:0;
clear:both;
}
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h3 {
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color: #786E4E;
padding: 0 0 10px 55px;
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height: 37px;
font: normal 24px/30px Georgia, "Times New Roman", Times, serif;
}
ul{
float:left;
margin:0;
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}
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table{
margin:0 auto;
width:400px;
border:1px solid black;
}
#content{
clear:both;
text-align:center;
}
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#about{
padding:0 10px;
width:450px;
float:left;
}
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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" >
var date = new Date();
var message,
timeoutTimer,
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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}
function throwMessage(msg,duration){
window.clearTimeout(timeoutTimer);
timeoutTimer = window.setTimeout(function(){
message.fadeOut(function(){
message.remove();
});
},duration || 2000);
$(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'
}).hide().fadeIn().appendTo('body');
}
$(function(){
$('ul li a').click(function(e){
e.preventDefault();
$('#url').val(this.href);
$('button').click();
})
var iframe,d;
$('input[type="button"]').click(function(){
$(iframe.contentWindow).unbind('load');
$(iframe).contents().find('body').html2canvas({
canvasHeight: d.body.scrollHeight,
canvasWidth: d.body.scrollWidth,
logging:true
});
});
$('button').click(function(){
$(this).prop('disabled',true);
var url = $('#url').val();
$('#content').append($('< img / > ').attr('src','loading.gif').css('margin-top',40));
var urlParts = document.createElement('a');
urlParts.href = url;
$.ajax({
data: {
xhr2:false,
url:urlParts.href
},
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url: proxyUrl,
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dataType: "jsonp",
success: function(html){
iframe = document.createElement('iframe');
$(iframe).css({
'visibility':'hidden'
}).width($(window).width()).height($(window).height());
$('#content').append(iframe);
d = iframe.contentWindow.document;
d.open();
$(iframe.contentWindow).load(function(){
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// timer = date.getTime();
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var date = new Date();
var message,
timeoutTimer,
timer = date.getTime();
var body = $(iframe).contents().find('body')[0];
var preload = html2canvas.Preload(body, {
"complete": function(images){
var queue = html2canvas.Parse(body, images);
var canvas = $(html2canvas.Renderer(queue));
var finishTime = new Date();
$("#content").empty().append(canvas);
// throwMessage('Screenshot created in '+ ((finishTime.getTime()-timer)/1000) + " seconds< br / > ",4000);
}
});
/*
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$(iframe).contents().find('body').html2canvas({
canvasHeight: d.body.scrollHeight,
canvasWidth: d.body.scrollWidth,
logging:true,
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proxyUrl: proxyUrl,
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logger:function(msg){
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$('#logger').val(function(e,i){
return i+"\n"+msg;
});
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},
ready: function(renderer) {
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$('button').prop('disabled',false);
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$("#content").empty();
var finishTime = new Date();
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var table = $('< table / > ');
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$('#content')
.append('< h2 > Screenshot< / h2 > ')
.append(renderer.canvas)
.append('< h3 > Details< / h3 > ')
.append(table);
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addRow(table,"Creation time",((finishTime.getTime()-timer)/1000) + " seconds");
addRow(table,"Total draws", renderer.numDraws);
addRow(table,"Context stacks", renderer.contextStacks.length);
addRow(table,"Loaded images", renderer.images.length/2);
addRow(table,"Performed z-index reorder", renderer.needReorder);
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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$('base').attr('href',urlParts.protocol+"//"+urlParts.hostname+"/");
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var base = "< base href = '"+urlParts.protocol+"//"+urlParts.hostname+"/' / > ";
var headIdx = html.indexOf('< head ' ) ;
var endHeadIdx = html.indexOf('>', headIdx);
html = html.substring(0, endHeadIdx + 1) + base + html.substring(endHeadIdx + 1);
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if ($("#disablejs").prop('checked')){
html = html.replace(/\< script / gi , " < ! -- < script " ) ;
html = html.replace(/\< \/script\>/gi,"< \/script>-->");
}
// console.log(html);
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 / >
< / head >
< body >
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<!-- <div style="background:red;padding:10px;color:#fff">
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 > .
< / div > -->
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< div style = "float:left;width:500px;" >
< h1 > JavaScript screenshot creator< / h1 >
< label for = "url" > Website URL:< / label >
< input type = "url" id = "url" value = "http://www.yahoo.com" / > < button > Get screenshot!< / button >
<!-- <input type="button" value="Try anyway" /> --> < br / >
< label for = "disablejs" > Disable JavaScript (recommended, doesn't work well with the proxy)< / label > < input type = "checkbox" id = "disablejs" checked / > < br / >
< small > Tested with Google Chrome 12, Firefox 4 and Opera 11.5< / small >
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< / div >
< div style = "float:right;" >
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< div style = "margin-left:17px;float:right;" >
<!-- Place this tag in your head or just before your close body tag -->
< script type = "text/javascript" src = "https://apis.google.com/js/plusone.js" > < / script >
<!-- Place this tag where you want the +1 button to render -->
< g:plusone size = "tall" > < / g:plusone >
< / div >
< div style = "float:right;" >
< 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 >
< / div >
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< / div >
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< div style = "clear:both;" > < / div >
< 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 >
< li > < a href = "http://www.google.com" > google.com< / a > < / li >
< li > < a href = "https://github.com/niklasvh/html2canvas" > github.com< / a > < / li >
< 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 >
< 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 >
< / ul >
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< div id = "about" > < b > About< / b > < br / >
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.
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.
< / div >
< div id = "content" > < / div >
< / body >
< / html >
