mirror of
https://github.com/niklasvh/html2canvas.git
synced 2023-08-10 21:13:10 +03:00
Added some support for CSS gradients (by cthackers)
This commit is contained in:
Niklas von Hertzen
parent
f0112ff3ab
commit
6fe3218b50
@ -18,6 +18,7 @@
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<fileset dir="${src.dir}" includes="LICENSE"/>
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<fileset dir="." includes="LICENSE"/>
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<fileset dir="${src.dir}" includes="Core.js"/>
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<fileset dir="${src.dir}" includes="Generate.js"/>
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<fileset dir="${src.dir}" includes="Parse.js"/>
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<fileset dir="${src.dir}" includes="Preload.js"/>
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<fileset dir="${src.dir}" includes="Queue.js"/>
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@ -42,7 +42,11 @@ html2canvas.Util = {};
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html2canvas.Util.backgroundImage = function (src) {
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if ( src.substr(0, 5) === 'url("' ) {
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if (/data:image\/.*;base64,/i.test( src ) || /^(-webkit|-moz|linear-gradient|-o-)/.test( src )) {
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return src;
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}
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if (src.toLowerCase().substr( 0, 5 ) === 'url("') {
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src = src.substr( 5 );
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src = src.substr( 0, src.length - 2 );
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} else {
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@ -53,6 +57,41 @@ html2canvas.Util.backgroundImage = function (src) {
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return src;
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};
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html2canvas.Util.Bounds = function getBounds (el) {
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window.scroll(0,0);
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var clientRect,
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bounds = {};
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if (el.getBoundingClientRect){
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clientRect = el.getBoundingClientRect();
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// TODO add scroll position to bounds, so no scrolling of window necessary
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bounds.top = clientRect.top;
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bounds.bottom = clientRect.bottom || (clientRect.top + clientRect.height);
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bounds.left = clientRect.left;
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bounds.width = clientRect.width;
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bounds.height = clientRect.height;
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return bounds;
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} /*else{
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p = $(el).offset();
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return {
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left: p.left + getCSS(el,"borderLeftWidth", true),
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top: p.top + getCSS(el,"borderTopWidth", true),
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width:$(el).innerWidth(),
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height:$(el).innerHeight()
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};
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} */
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}
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html2canvas.Util.getCSS = function (el, attribute) {
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// return jQuery(el).css(attribute);
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/*
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@ -75,8 +114,8 @@ html2canvas.Util.getCSS = function (el, attribute) {
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// If we're not dealing with a regular pixel number
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// but a number that has a weird ending, we need to convert it to pixels
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// if ( !/^-?\d+(?:px)?$/i.test( val ) && /^-?\d/.test( val ) ) {
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/*
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// if ( !/^-?\d+(?:px)?$/i.test( val ) && /^-?\d/.test( val ) ) {
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/*
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// Remember the original values
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left = style.left;
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@ -92,8 +131,8 @@ html2canvas.Util.getCSS = function (el, attribute) {
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if ( rsLeft ) {
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el.runtimeStyle.left = rsLeft;
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}*/
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val = $(el).css(attribute);
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// }
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val = $(el).css(attribute);
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// }
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return val;
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@ -113,6 +152,115 @@ html2canvas.Util.Children = function(el) {
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// $(el).contents() !== el.childNodes, Opera / IE have issues with that
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return $(el).contents();
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}
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html2canvas.Generate = {};
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html2canvas.Generate.Gradient = function(src, bounds) {
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var canvas = document.createElement('canvas'),
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ctx = canvas.getContext('2d'),
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tmp,
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p0 = 0,
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p1 = 0,
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p2 = 0,
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p3 = 0,
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steps = [],
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position,
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i,
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len,
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lingrad,
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increment,
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p,
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img;
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canvas.width = bounds.width;
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canvas.height = bounds.height;
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function getColors(input) {
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var j = -1,
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color = '',
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chr;
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while( j++ < input.length ) {
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chr = input.charAt( j );
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if (chr === ')') {
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color += chr;
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steps.push( color );
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color = '';
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j+=2;
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} else {
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color += chr;
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}
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}
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}
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if ( tmp = src.match(/-webkit-linear-gradient\((.*)\)/) ) {
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position = tmp[1].split( ",", 1 )[0];
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getColors( tmp[1].substr( position.length + 2 ) );
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position = position.split(' ');
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for (p = 0; p < position.length; p+=1) {
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switch(position[p]) {
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case 'top':
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p3 = bounds.height;
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break;
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case 'right':
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p0 = bounds.width;
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break;
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case 'bottom':
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p1 = bounds.height;
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break;
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case 'left':
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p2 = bounds.width;
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break;
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}
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}
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} else if (tmp = src.match(/-webkit-gradient\(linear, (\d+)% (\d+)\%, (\d+)% (\d+)%, from\((.*)\), to\((.*)\)\)/)) {
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p0 = (tmp[1] * bounds.width) / 100;
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p1 = (tmp[2] * bounds.height) / 100;
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p2 = (tmp[3] * bounds.width) / 100;
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p3 = (tmp[4] * bounds.height) / 100;
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steps.push(tmp[5]);
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steps.push(tmp[6]);
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} else if (tmp = src.match(/-moz-linear-gradient\((\d+)% (\d+)%, (.*)\)/)) {
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p0 = (tmp[1] * bounds.width) / 100;
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p1 = (tmp[2] * bounds.width) / 100;
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p2 = bounds.width - p0;
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p3 = bounds.height - p1;
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getColors( tmp[3] );
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} else {
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return;
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}
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lingrad = ctx.createLinearGradient( p0, p1, p2, p3 );
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increment = 1 / (steps.length - 1);
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for (i = 0, len = steps.length; i < len; i+=1) {
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lingrad.addColorStop(increment * i, steps[i]);
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}
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ctx.fillStyle = lingrad;
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// draw shapes
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ctx.fillRect(0, 0, bounds.width,bounds.height);
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img = new Image();
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img.src = canvas.toDataURL();
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return img;
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}
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/*
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* New function for traversing elements
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*/
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@ -231,41 +379,6 @@ html2canvas.Parse = function (element, images, opts) {
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}
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function getBounds (el) {
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window.scroll(0,0);
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var clientRect,
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bounds = {};
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if (el.getBoundingClientRect){
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clientRect = el.getBoundingClientRect();
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// TODO add scroll position to bounds, so no scrolling of window necessary
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bounds.top = clientRect.top;
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bounds.bottom = clientRect.bottom || (clientRect.top + clientRect.height);
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bounds.left = clientRect.left;
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bounds.width = clientRect.width;
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bounds.height = clientRect.height;
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return bounds;
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} /*else{
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p = $(el).offset();
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return {
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left: p.left + getCSS(el,"borderLeftWidth", true),
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top: p.top + getCSS(el,"borderTopWidth", true),
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width:$(el).innerWidth(),
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height:$(el).innerHeight()
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};
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} */
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}
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function textTransform (text, transform) {
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switch(transform){
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case "lowercase":
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@ -494,7 +607,7 @@ html2canvas.Parse = function (element, images, opts) {
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wrapElement.appendChild(oldTextNode.cloneNode(true));
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parent.replaceChild(wrapElement, oldTextNode);
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bounds = getBounds(wrapElement);
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bounds = html2canvas.Util.Bounds(wrapElement);
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textValue = oldTextNode.nodeValue;
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@ -604,19 +717,6 @@ html2canvas.Parse = function (element, images, opts) {
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}
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function backgroundUrl (src){
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if (src.substr(0,5) === 'url("'){
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src = src.substr(5);
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src = src.substr(0,src.length-2);
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}else{
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src = src.substr(4);
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src = src.substr(0,src.length-1);
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}
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return src;
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}
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function renderBorders(el, ctx, bounds, clip){
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/*
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@ -896,7 +996,7 @@ html2canvas.Parse = function (element, images, opts) {
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function renderBackground(el,bounds,ctx){
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// TODO add support for multi background-images
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var background_image = getCSS(el, "backgroundImage", false).split(",")[0],
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var background_image = getCSS(el, "backgroundImage", false),
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background_repeat = getCSS(el, "backgroundRepeat", false).split(",")[0],
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image,
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bgp,
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@ -911,24 +1011,29 @@ html2canvas.Parse = function (element, images, opts) {
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height,
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add;
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if (typeof background_image !== "undefined" && /^(1|none)$/.test(background_image) === false && /^(-webkit|-moz|linear-gradient|-o-)/.test(background_image)===false){
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background_image = backgroundUrl(background_image);
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image = loadImage(background_image);
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// if (typeof background_image !== "undefined" && /^(1|none)$/.test(background_image) === false && /^(-webkit|-moz|linear-gradient|-o-)/.test(background_image)===false){
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if ( !/data:image\/.*;base64,/i.test(background_image) && !/^(-webkit|-moz|linear-gradient|-o-)/.test(background_image) ) {
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background_image = background_image.split(",")[0];
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}
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if ( typeof background_image !== "undefined" && /^(1|none)$/.test( background_image ) === false ) {
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background_image = html2canvas.Util.backgroundImage( background_image );
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image = loadImage( background_image );
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bgp = getBackgroundPosition(el, bounds, image);
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if (image){
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switch(background_repeat){
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if ( image ){
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switch ( background_repeat ) {
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case "repeat-x":
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renderBackgroundRepeatX(ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height);
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renderBackgroundRepeatX( ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height );
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break;
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case "repeat-y":
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renderBackgroundRepeatY(ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height);
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renderBackgroundRepeatY( ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height );
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break;
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case "no-repeat":
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@ -1049,7 +1154,7 @@ html2canvas.Parse = function (element, images, opts) {
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function renderElement(el, parentStack){
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var bounds = getBounds(el),
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var bounds = html2canvas.Util.Bounds(el),
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x = bounds.left,
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y = bounds.top,
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w = bounds.width,
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@ -1099,8 +1204,8 @@ html2canvas.Parse = function (element, images, opts) {
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if (parentStack.clip){
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stack.clip = html2canvas.Util.Extend( {}, parentStack.clip );
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//stack.clip = parentStack.clip;
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// stack.clip.height = stack.clip.height - parentStack.borders[2].width;
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//stack.clip = parentStack.clip;
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// stack.clip.height = stack.clip.height - parentStack.borders[2].width;
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}
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@ -1131,7 +1236,7 @@ html2canvas.Parse = function (element, images, opts) {
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stack.clip.width = stack.clip.width-(borders[1].width);
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stack.clip.height = stack.clip.height-(borders[2].width);
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}
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*/
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*/
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if (ignoreElementsRegExp.test(el.nodeName) && options.iframeDefault !== "transparent"){
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if (options.iframeDefault === "default"){
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bgcolor = "#efefef";
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@ -1219,7 +1324,7 @@ html2canvas.Parse = function (element, images, opts) {
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},
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formValue:true
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},stack);
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*/
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*/
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}
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break;
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case "TEXTAREA":
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@ -1379,7 +1484,7 @@ html2canvas.Preload = function(element, opts){
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img.src = a;
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}
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delete window[callback_name];
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delete window[callback_name];
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};
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count += 1;
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@ -1437,7 +1542,9 @@ html2canvas.Preload = function(element, opts){
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i,
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contentsLen = contents.length,
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background_image,
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src;
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src,
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img;
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for (i = 0; i < contentsLen; i+=1 ){
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// var ignRe = new RegExp("("+this.ignoreElements+")");
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// if (!ignRe.test(element.nodeName)){
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@ -1450,52 +1557,78 @@ html2canvas.Preload = function(element, opts){
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if (el.nodeType === 1 || el.nodeType === undefined){
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background_image = html2canvas.Util.getCSS(el, 'backgroundImage');
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if ( background_image && background_image !== "1" && background_image !== "none" ) {
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// TODO add multi image background support
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if (background_image.substring(0,7) === "-webkit" || background_image.substring(0,3) === "-o-" || background_image.substring(0,4) === "-moz") {
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img = html2canvas.Generate.Gradient( background_image, html2canvas.Util.Bounds( el ) );
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if ( img !== undefined ){
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images.push(background_image);
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images.push(img);
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imagesLoaded++;
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start();
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}
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} else {
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src = html2canvas.Util.backgroundImage(background_image.match(/data:image\/.*;base64,/i) ? background_image : background_image.split(",")[0]);
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methods.loadImage(src);
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}
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/*
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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"){
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// TODO add multi image background support
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src = html2canvas.Util.backgroundImage(background_image.split(",")[0]);
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methods.loadImage(src);
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methods.loadImage(src); */
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}
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}
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}
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methods = {
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loadImage: function(src){
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loadImage: function( src ) {
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var img;
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if (getIndex(images, src) === -1){
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if(src.substr(0, 5) === 'data:'){
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//Base64 src
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images.push(src);
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if ( getIndex(images, src) === -1 ) {
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if ( src.match(/data:image\/.*;base64,/i) ) {
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//Base64 src
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img = new Image();
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img.src = src;
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images.push(img);
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img.src = src.replace(/url\(['"]{0,}|['"]{0,}\)$/ig, '');
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images.push( src );
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images.push( img );
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imagesLoaded+=1;
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start();
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}else if (isSameOrigin(src)){
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}else if ( isSameOrigin( src ) ) {
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images.push(src);
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images.push( src );
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img = new Image();
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img.onload = function(){
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img.onload = function() {
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imagesLoaded+=1;
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start();
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};
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img.onerror = function(){
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images.splice(getIndex(images, img.src), 2);
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img.onerror = function() {
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images.splice( getIndex( images, img.src ), 2 );
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start();
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};
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img.src = src;
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images.push(img);
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}else if (options.proxy){
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}else if ( options.proxy ){
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// console.log('b'+src);
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images.push(src);
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images.push( src );
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img = new Image();
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proxyGetImage(src, img);
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images.push(img);
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proxyGetImage( src, img );
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images.push( img );
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}
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}
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@ -1507,18 +1640,18 @@ html2canvas.Preload = function(element, opts){
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// add something to array
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images.push('start');
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getImages(element);
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getImages( element );
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// load <img> images
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for (i = 0; i < imgLen; i+=1){
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methods.loadImage(domImages[i].getAttribute("src"));
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methods.loadImage( domImages[i].getAttribute( "src" ) );
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}
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// remove 'start'
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images.splice(0,1);
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images.splice(0, 1);
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if (images.length === 0){
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if ( images.length === 0 ) {
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start();
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}
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49
src/Core.js
49
src/Core.js
@ -12,7 +12,11 @@ html2canvas.Util = {};
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|
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html2canvas.Util.backgroundImage = function (src) {
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if ( src.substr(0, 5) === 'url("' ) {
|
||||
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 {
|
||||
@ -23,6 +27,41 @@ html2canvas.Util.backgroundImage = function (src) {
|
||||
return src;
|
||||
};
|
||||
|
||||
html2canvas.Util.Bounds = function getBounds (el) {
|
||||
|
||||
window.scroll(0,0);
|
||||
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;
|
||||
bounds.width = clientRect.width;
|
||||
bounds.height = clientRect.height;
|
||||
|
||||
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:$(el).innerHeight()
|
||||
};
|
||||
|
||||
|
||||
} */
|
||||
}
|
||||
|
||||
html2canvas.Util.getCSS = function (el, attribute) {
|
||||
// return jQuery(el).css(attribute);
|
||||
/*
|
||||
@ -45,8 +84,8 @@ html2canvas.Util.getCSS = function (el, attribute) {
|
||||
// If we're not dealing with a regular pixel number
|
||||
// but a number that has a weird ending, we need to convert it to pixels
|
||||
|
||||
// if ( !/^-?\d+(?:px)?$/i.test( val ) && /^-?\d/.test( val ) ) {
|
||||
/*
|
||||
// if ( !/^-?\d+(?:px)?$/i.test( val ) && /^-?\d/.test( val ) ) {
|
||||
/*
|
||||
// Remember the original values
|
||||
left = style.left;
|
||||
|
||||
@ -62,8 +101,8 @@ html2canvas.Util.getCSS = function (el, attribute) {
|
||||
if ( rsLeft ) {
|
||||
el.runtimeStyle.left = rsLeft;
|
||||
}*/
|
||||
val = $(el).css(attribute);
|
||||
// }
|
||||
val = $(el).css(attribute);
|
||||
// }
|
||||
return val;
|
||||
|
||||
|
||||
|
||||
109
src/Generate.js
Normal file
109
src/Generate.js
Normal file
@ -0,0 +1,109 @@
|
||||
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 = '';
|
||||
j+=2;
|
||||
} 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+)% (\d+)\%, (\d+)% (\d+)%, 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\((\d+)% (\d+)%, (.*)\)/)) {
|
||||
|
||||
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) {
|
||||
lingrad.addColorStop(increment * i, steps[i]);
|
||||
}
|
||||
|
||||
ctx.fillStyle = lingrad;
|
||||
|
||||
// draw shapes
|
||||
ctx.fillRect(0, 0, bounds.width,bounds.height);
|
||||
|
||||
img = new Image();
|
||||
img.src = canvas.toDataURL();
|
||||
|
||||
return img;
|
||||
|
||||
}
|
||||
83
src/Parse.js
83
src/Parse.js
@ -116,41 +116,6 @@ html2canvas.Parse = function (element, images, opts) {
|
||||
}
|
||||
|
||||
|
||||
function getBounds (el) {
|
||||
|
||||
window.scroll(0,0);
|
||||
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;
|
||||
bounds.width = clientRect.width;
|
||||
bounds.height = clientRect.height;
|
||||
|
||||
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:$(el).innerHeight()
|
||||
};
|
||||
|
||||
|
||||
} */
|
||||
}
|
||||
|
||||
function textTransform (text, transform) {
|
||||
switch(transform){
|
||||
case "lowercase":
|
||||
@ -379,7 +344,7 @@ html2canvas.Parse = function (element, images, opts) {
|
||||
wrapElement.appendChild(oldTextNode.cloneNode(true));
|
||||
parent.replaceChild(wrapElement, oldTextNode);
|
||||
|
||||
bounds = getBounds(wrapElement);
|
||||
bounds = html2canvas.Util.Bounds(wrapElement);
|
||||
|
||||
textValue = oldTextNode.nodeValue;
|
||||
|
||||
@ -489,19 +454,6 @@ html2canvas.Parse = function (element, images, opts) {
|
||||
|
||||
}
|
||||
|
||||
function backgroundUrl (src){
|
||||
if (src.substr(0,5) === 'url("'){
|
||||
src = src.substr(5);
|
||||
src = src.substr(0,src.length-2);
|
||||
}else{
|
||||
src = src.substr(4);
|
||||
src = src.substr(0,src.length-1);
|
||||
}
|
||||
|
||||
return src;
|
||||
}
|
||||
|
||||
|
||||
function renderBorders(el, ctx, bounds, clip){
|
||||
|
||||
/*
|
||||
@ -781,7 +733,7 @@ html2canvas.Parse = function (element, images, opts) {
|
||||
function renderBackground(el,bounds,ctx){
|
||||
|
||||
// TODO add support for multi background-images
|
||||
var background_image = getCSS(el, "backgroundImage", false).split(",")[0],
|
||||
var background_image = getCSS(el, "backgroundImage", false),
|
||||
background_repeat = getCSS(el, "backgroundRepeat", false).split(",")[0],
|
||||
image,
|
||||
bgp,
|
||||
@ -796,24 +748,29 @@ html2canvas.Parse = function (element, images, opts) {
|
||||
height,
|
||||
add;
|
||||
|
||||
if (typeof background_image !== "undefined" && /^(1|none)$/.test(background_image) === false && /^(-webkit|-moz|linear-gradient|-o-)/.test(background_image)===false){
|
||||
|
||||
background_image = backgroundUrl(background_image);
|
||||
image = loadImage(background_image);
|
||||
// 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){
|
||||
if ( image ){
|
||||
switch ( background_repeat ) {
|
||||
|
||||
case "repeat-x":
|
||||
renderBackgroundRepeatX(ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height);
|
||||
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);
|
||||
renderBackgroundRepeatY( ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height );
|
||||
break;
|
||||
|
||||
case "no-repeat":
|
||||
@ -934,7 +891,7 @@ html2canvas.Parse = function (element, images, opts) {
|
||||
|
||||
function renderElement(el, parentStack){
|
||||
|
||||
var bounds = getBounds(el),
|
||||
var bounds = html2canvas.Util.Bounds(el),
|
||||
x = bounds.left,
|
||||
y = bounds.top,
|
||||
w = bounds.width,
|
||||
@ -984,8 +941,8 @@ html2canvas.Parse = function (element, images, opts) {
|
||||
|
||||
if (parentStack.clip){
|
||||
stack.clip = html2canvas.Util.Extend( {}, parentStack.clip );
|
||||
//stack.clip = parentStack.clip;
|
||||
// stack.clip.height = stack.clip.height - parentStack.borders[2].width;
|
||||
//stack.clip = parentStack.clip;
|
||||
// stack.clip.height = stack.clip.height - parentStack.borders[2].width;
|
||||
}
|
||||
|
||||
|
||||
@ -1016,7 +973,7 @@ html2canvas.Parse = function (element, images, opts) {
|
||||
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";
|
||||
@ -1104,7 +1061,7 @@ html2canvas.Parse = function (element, images, opts) {
|
||||
},
|
||||
formValue:true
|
||||
},stack);
|
||||
*/
|
||||
*/
|
||||
}
|
||||
break;
|
||||
case "TEXTAREA":
|
||||
|
||||
@ -89,7 +89,7 @@ html2canvas.Preload = function(element, opts){
|
||||
|
||||
img.src = a;
|
||||
}
|
||||
delete window[callback_name];
|
||||
delete window[callback_name];
|
||||
};
|
||||
|
||||
count += 1;
|
||||
@ -147,7 +147,9 @@ html2canvas.Preload = function(element, opts){
|
||||
i,
|
||||
contentsLen = contents.length,
|
||||
background_image,
|
||||
src;
|
||||
src,
|
||||
img;
|
||||
|
||||
for (i = 0; i < contentsLen; i+=1 ){
|
||||
// var ignRe = new RegExp("("+this.ignoreElements+")");
|
||||
// if (!ignRe.test(element.nodeName)){
|
||||
@ -160,52 +162,78 @@ html2canvas.Preload = function(element, opts){
|
||||
if (el.nodeType === 1 || el.nodeType === undefined){
|
||||
|
||||
background_image = html2canvas.Util.getCSS(el, 'backgroundImage');
|
||||
|
||||
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.push(background_image);
|
||||
images.push(img);
|
||||
imagesLoaded++;
|
||||
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);
|
||||
methods.loadImage(src); */
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
methods = {
|
||||
loadImage: function(src){
|
||||
loadImage: function( src ) {
|
||||
var img;
|
||||
if (getIndex(images, src) === -1){
|
||||
if(src.substr(0, 5) === 'data:'){
|
||||
//Base64 src
|
||||
images.push(src);
|
||||
if ( getIndex(images, src) === -1 ) {
|
||||
if ( src.match(/data:image\/.*;base64,/i) ) {
|
||||
|
||||
//Base64 src
|
||||
img = new Image();
|
||||
img.src = src;
|
||||
images.push(img);
|
||||
img.src = src.replace(/url\(['"]{0,}|['"]{0,}\)$/ig, '');
|
||||
|
||||
images.push( src );
|
||||
images.push( img );
|
||||
|
||||
imagesLoaded+=1;
|
||||
start();
|
||||
}else if (isSameOrigin(src)){
|
||||
|
||||
}else if ( isSameOrigin( src ) ) {
|
||||
|
||||
images.push(src);
|
||||
images.push( src );
|
||||
img = new Image();
|
||||
|
||||
img.onload = function(){
|
||||
img.onload = function() {
|
||||
imagesLoaded+=1;
|
||||
start();
|
||||
|
||||
};
|
||||
|
||||
img.onerror = function(){
|
||||
images.splice(getIndex(images, img.src), 2);
|
||||
img.onerror = function() {
|
||||
images.splice( getIndex( images, img.src ), 2 );
|
||||
start();
|
||||
};
|
||||
|
||||
img.src = src;
|
||||
images.push(img);
|
||||
|
||||
}else if (options.proxy){
|
||||
}else if ( options.proxy ){
|
||||
// console.log('b'+src);
|
||||
images.push(src);
|
||||
images.push( src );
|
||||
img = new Image();
|
||||
proxyGetImage(src, img);
|
||||
images.push(img);
|
||||
proxyGetImage( src, img );
|
||||
images.push( img );
|
||||
}
|
||||
}
|
||||
|
||||
@ -217,18 +245,18 @@ html2canvas.Preload = function(element, opts){
|
||||
// add something to array
|
||||
images.push('start');
|
||||
|
||||
getImages(element);
|
||||
getImages( element );
|
||||
|
||||
|
||||
// load <img> images
|
||||
for (i = 0; i < imgLen; i+=1){
|
||||
methods.loadImage(domImages[i].getAttribute("src"));
|
||||
methods.loadImage( domImages[i].getAttribute( "src" ) );
|
||||
}
|
||||
|
||||
// remove 'start'
|
||||
images.splice(0,1);
|
||||
images.splice(0, 1);
|
||||
|
||||
if (images.length === 0){
|
||||
if ( images.length === 0 ) {
|
||||
start();
|
||||
}
|
||||
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
<head>
|
||||
<title>Background attribute tests</title>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
|
||||
<link href="#" type="text/css" rel="stylesheet">
|
||||
|
||||
<script type="text/javascript" src="../external/jquery-1.6.2.min.js"></script>
|
||||
<script type="text/javascript" src="../build/html2canvas.js"></script>
|
||||
<script type="text/javascript" src="../build/jquery.plugin.html2canvas.js"></script>
|
||||
@ -26,9 +26,9 @@
|
||||
.small div{
|
||||
width:100px;
|
||||
height:100px;
|
||||
float:left;
|
||||
margin:10px;
|
||||
border:1px solid #000;
|
||||
float:left;
|
||||
margin:10px;
|
||||
border:1px solid #000;
|
||||
}
|
||||
|
||||
.medium div{
|
||||
@ -38,19 +38,40 @@
|
||||
margin:10px;
|
||||
border:1px solid #000;
|
||||
}
|
||||
|
||||
|
||||
.small, .medium{
|
||||
clear:both;
|
||||
}
|
||||
|
||||
|
||||
div{
|
||||
display:block;
|
||||
}
|
||||
|
||||
.encoded {
|
||||
background:url("data:image/jpeg;base64,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");
|
||||
background-position: center center;
|
||||
}
|
||||
|
||||
.linearGradient {
|
||||
/*background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(rgb(255, 0, 0)), to(rgb(0, 0, 255)));*/
|
||||
background: -webkit-linear-gradient(top left, #f00, #00f, #BADA55, rgba(0, 0, 255,0.5));
|
||||
background: -moz-linear-gradient(top right, #f00, #00f, #BADA55, rgba(0, 0, 255,0.5));
|
||||
}
|
||||
|
||||
.linearGradient2 {
|
||||
background: -webkit-gradient(linear, 0% 0, 0% 100%, from(rgb(252, 252, 252)), to(rgb(232, 232, 232)));
|
||||
}
|
||||
</style>
|
||||
|
||||
</head>
|
||||
<body>
|
||||
|
||||
<div class="medium">
|
||||
<div class="linearGradient"> </div>
|
||||
<div class="linearGradient2"> </div>
|
||||
</div>
|
||||
|
||||
|
||||
|
||||
<div class="medium">
|
||||
<div style="background:url(image.jpg);"></div>
|
||||
<div style="background:url(image.jpg) repeat-x;"></div>
|
||||
@ -63,8 +84,8 @@
|
||||
<div style="background:url(image.jpg) repeat-y;"></div>
|
||||
<div style="background:url(image.jpg) no-repeat;"></div>
|
||||
</div>
|
||||
|
||||
|
||||
|
||||
|
||||
<div class="medium">
|
||||
<div style="background:url(image.jpg) center center;"></div>
|
||||
<div style="background:url(image.jpg) repeat-x center center;"></div>
|
||||
@ -72,27 +93,29 @@
|
||||
<div style="background:url(image.jpg) no-repeat center center;"></div>
|
||||
</div>
|
||||
|
||||
|
||||
<div class="small">
|
||||
|
||||
<div class="small">
|
||||
<div style="background:url(image.jpg) center center;"></div>
|
||||
<div style="background:url(image.jpg) repeat-x center center;"></div>
|
||||
<div style="background:url(image.jpg) repeat-y center center;"></div>
|
||||
<div style="background:url(image.jpg) no-repeat center center;"></div>
|
||||
</div>
|
||||
|
||||
<div class="medium">
|
||||
<div class="medium">
|
||||
<div style="background:url(image.jpg) 50px 50px;"></div>
|
||||
<div style="background:url(image.jpg) repeat-x 50px 50px;"></div>
|
||||
<div style="background:url(image.jpg) repeat-y 50px 50px;"></div>
|
||||
<div style="background:url(image.jpg) no-repeat 50px 50px;"></div>
|
||||
</div>
|
||||
|
||||
<div class="medium">
|
||||
|
||||
<div class="medium">
|
||||
<div style="background:url(image.jpg) no-repeat -15% 25px;"></div>
|
||||
<div style="background-image:url(image.jpg), url(image2.jpg); background-repeat: repeat-x; background-position: 50px 50px, 100px 100px;"></div>
|
||||
</div>
|
||||
|
||||
|
||||
|
||||
<div class="medium">
|
||||
<div class="encoded"></div>
|
||||
</div>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
</html>
|
||||
Loading…
Reference in New Issue
Block a user