mirror of
https://github.com/niklasvh/html2canvas.git
synced 2023-08-10 21:13:10 +03:00
fixed few minor bugs, added some support for overflow (hidden|scroll|auto)
This commit is contained in:
MoyuScript
parent
db9a1d16ad
commit
9ae4ae51fe
1
.gitignore
vendored
1
.gitignore
vendored
@ -5,3 +5,4 @@
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/dist/
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/dist/
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/build/tmp.js
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/build/tmp.js
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index.html
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index.html
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screenshots_local.html
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@ -1,5 +1,5 @@
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/*
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/*
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* html2canvas v0.25 <http://html2canvas.hertzen.com>
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* html2canvas v0.26 <http://html2canvas.hertzen.com>
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* Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
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* Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
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* http://www.twitter.com/niklasvh
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* http://www.twitter.com/niklasvh
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*
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*
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@ -62,6 +62,7 @@ function html2canvas(el, userOptions) {
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},
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},
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canvasWidth:0,
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canvasWidth:0,
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canvasHeight:0,
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canvasHeight:0,
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useOverflow: true,
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renderOrder: "canvas flash html"
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renderOrder: "canvas flash html"
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});
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});
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@ -81,7 +82,7 @@ function html2canvas(el, userOptions) {
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this.ignoreElements = "IFRAME|OBJECT|PARAM";
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this.ignoreElements = "IFRAME|OBJECT|PARAM";
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this.needReorder = false;
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this.needReorder = false;
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this.blockElements = new RegExp("(BR|PARAM)");
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this.blockElements = new RegExp("(BR|PARAM)");
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this.pageOrigin = window.location.protocol + window.location.hostname;
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this.pageOrigin = window.location.protocol + window.location.host;
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this.ignoreRe = new RegExp("("+this.ignoreElements+")");
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this.ignoreRe = new RegExp("("+this.ignoreElements+")");
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@ -175,8 +176,8 @@ html2canvas.prototype.start = function(){
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if (this.images.length == 0 || this.imagesLoaded==this.images.length/2){
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if (this.images.length == 0 || this.imagesLoaded==this.images.length/2){
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this.log('Finished loading '+this.imagesLoaded+' images, Started parsing');
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this.log('Finished loading '+this.imagesLoaded+' images, Started parsing');
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this.bodyOverflow = document.getElementsByTagName('body')[0].style.overflow;
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this.bodyOverflow = document.getElementsByTagName('body')[0].style.overflow;
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document.getElementsByTagName('body')[0].style.overflow = "hidden";
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document.getElementsByTagName('body')[0].style.overflow = "hidden";
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var rootStack = new this.storageContext($(document).width(),$(document).height());
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var rootStack = new this.storageContext($(document).width(),$(document).height());
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rootStack.opacity = this.getCSS(this.element,"opacity");
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rootStack.opacity = this.getCSS(this.element,"opacity");
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var stack = this.newElement(this.element,rootStack);
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var stack = this.newElement(this.element,rootStack);
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@ -239,6 +240,8 @@ html2canvas.prototype.storageContext = function(width,height){
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};
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};
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this.drawImage = function(image,sx,sy,sw,sh,dx,dy,dw,dh){
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this.drawImage = function(image,sx,sy,sw,sh,dx,dy,dw,dh){
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this.storage.push(
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this.storage.push(
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{
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{
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@ -602,7 +605,13 @@ html2canvas.prototype.getBorderData = function(el){
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}
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}
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html2canvas.prototype.drawBorders = function(el,ctx, x, y, w, h){
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html2canvas.prototype.drawBorders = function(el,ctx, bounds,clip){
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var x = bounds.left;
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var y = bounds.top;
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var w = bounds.width;
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var h = bounds.height;
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/*
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/*
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* TODO add support for different border-style's than solid
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* TODO add support for different border-style's than solid
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@ -637,7 +646,21 @@ html2canvas.prototype.drawBorders = function(el,ctx, x, y, w, h){
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break;
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break;
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}
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}
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_.newRect(ctx,bx,by,bw,bh,borderData.color);
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var borderBounds = {
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left:bx,
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top:by,
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width: bw,
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height:bh
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};
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if (clip){
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borderBounds = _.clipBounds(borderBounds,clip);
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}
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if (borderBounds.width>0 && borderBounds.height>0){
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_.newRect(ctx,bx,by,borderBounds.width,borderBounds.height,borderData.color);
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}
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@ -649,10 +672,6 @@ html2canvas.prototype.drawBorders = function(el,ctx, x, y, w, h){
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};
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};
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html2canvas.prototype.newElement = function(el,parentStack){
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html2canvas.prototype.newElement = function(el,parentStack){
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var bounds = this.getBounds(el);
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var bounds = this.getBounds(el);
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@ -665,10 +684,10 @@ html2canvas.prototype.newElement = function(el,parentStack){
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image;
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image;
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var bgcolor = this.getCSS(el,"background-color");
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var bgcolor = this.getCSS(el,"background-color");
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var cssPosition = this.getCSS(el,"position");
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parentStack = parentStack || {};
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parentStack = parentStack || {};
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var zindex = this.formatZ(this.getCSS(el,"zIndex"),this.getCSS(el,"position"),parentStack.zIndex,el.parentNode);
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var zindex = this.formatZ(this.getCSS(el,"zIndex"),cssPosition,parentStack.zIndex,el.parentNode);
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//console.log(el.nodeName+":"+zindex+":"+this.getCSS(el,"position")+":"+this.numDraws+":"+this.getCSS(el,"z-index"))
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//console.log(el.nodeName+":"+zindex+":"+this.getCSS(el,"position")+":"+this.numDraws+":"+this.getCSS(el,"z-index"))
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@ -678,9 +697,29 @@ html2canvas.prototype.newElement = function(el,parentStack){
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var stack = {
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var stack = {
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ctx: new this.storageContext(),
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ctx: new this.storageContext(),
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zIndex: zindex,
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zIndex: zindex,
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opacity: opacity*parentStack.opacity
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opacity: opacity*parentStack.opacity,
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cssPosition: cssPosition
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};
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};
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// TODO correct overflow for absolute content residing under a static position
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if (parentStack.clip){
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stack.clip = $.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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}
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if (this.opts.useOverflow && /(hidden|scroll|auto)/.test(this.getCSS(el,"overflow")) && !/(BODY)/i.test(el.nodeName)){
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if (stack.clip){
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stack.clip = this.clipBounds(stack.clip,bounds);
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}else{
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stack.clip = bounds;
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}
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}
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var stackLength = this.contextStacks.push(stack);
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var stackLength = this.contextStacks.push(stack);
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var ctx = this.contextStacks[stackLength-1].ctx;
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var ctx = this.contextStacks[stackLength-1].ctx;
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@ -688,9 +727,17 @@ html2canvas.prototype.newElement = function(el,parentStack){
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this.setContextVariable(ctx,"globalAlpha",stack.opacity);
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this.setContextVariable(ctx,"globalAlpha",stack.opacity);
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// draw element borders
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// draw element borders
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var borders = this.drawBorders(el, ctx, bounds.left, bounds.top, bounds.width, bounds.height);
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var borders = this.drawBorders(el, ctx, bounds);
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stack.borders = borders;
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// let's modify clip area for child elements, so borders dont get overwritten
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/*
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if (stack.clip){
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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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if (this.ignoreRe.test(el.nodeName) && this.opts.iframeDefault != "transparent"){
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if (this.ignoreRe.test(el.nodeName) && this.opts.iframeDefault != "transparent"){
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if (this.opts.iframeDefault=="default"){
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if (this.opts.iframeDefault=="default"){
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bgcolor = "#efefef";
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bgcolor = "#efefef";
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@ -703,27 +750,40 @@ html2canvas.prototype.newElement = function(el,parentStack){
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}
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}
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// draw base element bgcolor
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// draw base element bgcolor
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this.newRect(
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ctx,
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x+borders[3].width,
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y+borders[0].width,
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w-(borders[1].width+borders[3].width),
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h-(borders[0].width+borders[2].width),
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bgcolor
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);
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this.drawBackground(el,{
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var bgbounds = {
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left: x+borders[3].width,
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left: x+borders[3].width,
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top: y+borders[0].width,
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top: y+borders[0].width,
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width: w-(borders[1].width+borders[3].width),
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width: w-(borders[1].width+borders[3].width),
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height: h-(borders[0].width+borders[2].width)
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height: h-(borders[0].width+borders[2].width)
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};
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//if (this.withinBounds(stack.clip,bgbounds)){
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if (stack.clip){
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bgbounds = this.clipBounds(bgbounds,stack.clip);
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//}
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}
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if (bgbounds.height>0 && bgbounds.width>0){
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this.newRect(
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ctx,
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bgbounds.left,
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bgbounds.top,
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bgbounds.width,
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bgbounds.height,
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bgcolor
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);
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this.drawBackground(el,bgbounds,ctx);
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}
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}
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,ctx);
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if (el.nodeName=="IMG"){
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if (el.nodeName=="IMG"){
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image = _.loadImage(_.getAttr(el,'src'));
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image = _.loadImage(_.getAttr(el,'src'));
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if (image){
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if (image){
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// console.log(image.width);
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// console.log(image.width);
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this.drawImage(
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this.drawImage(
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ctx,
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ctx,
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image,
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image,
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@ -975,7 +1035,7 @@ html2canvas.prototype.Renderer = function(queue){
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});
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});
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// this.log('No renderer chosen, rendering quit');
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// this.log('No renderer chosen, rendering quit');
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return this;
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return this;
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// this.canvasRenderer(queue);
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// this.canvasRenderer(queue);
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@ -1008,6 +1068,186 @@ html2canvas.prototype.throttler = function(queue){
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};
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};
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html2canvas.prototype.canvasRenderContext = function(storageContext,ctx){
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// set common settings for canvas
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ctx.textBaseline = "bottom";
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var _ = this;
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if (storageContext.clip){
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ctx.save();
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ctx.beginPath();
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// console.log(storageContext);
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ctx.rect(storageContext.clip.left,storageContext.clip.top,storageContext.clip.width,storageContext.clip.height);
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ctx.clip();
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}
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if (storageContext.ctx.storage){
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_.each(storageContext.ctx.storage,function(a,renderItem){
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switch(renderItem.type){
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case "variable":
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ctx[renderItem.name] = renderItem.arguments;
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break;
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case "function":
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if (renderItem.name=="fillRect"){
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ctx.fillRect(
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renderItem.arguments[0]-(storageContext.canvasPosition.x || 0),
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renderItem.arguments[1]-(storageContext.canvasPosition.y || 0),
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renderItem.arguments[2],
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renderItem.arguments[3]
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);
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}else if(renderItem.name=="fillText"){
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// console.log(renderItem.arguments[0]);
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ctx.fillText(renderItem.arguments[0],renderItem.arguments[1]-(storageContext.canvasPosition.x || 0),renderItem.arguments[2]-(storageContext.canvasPosition.y || 0));
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/*
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if (renderItem.arguments[0]=="Highlights"){
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console.log(renderItem);
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console.log(storageContext);
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$('body').append(ctx.canvas);
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}*/
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}else if(renderItem.name=="drawImage"){
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// console.log(renderItem);
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// console.log(renderItem.arguments[0].width);
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if (renderItem.arguments[8] > 0 && renderItem.arguments[7]){
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ctx.drawImage(
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renderItem.arguments[0],
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renderItem.arguments[1],
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renderItem.arguments[2],
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renderItem.arguments[3],
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renderItem.arguments[4],
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renderItem.arguments[5]-(storageContext.canvasPosition.x || 0),
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renderItem.arguments[6]-(storageContext.canvasPosition.y || 0),
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renderItem.arguments[7],
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renderItem.arguments[8]
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);
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}
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}else{
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_.log(renderItem);
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}
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break;
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default:
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}
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});
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}
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if (storageContext.clip){
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ctx.restore();
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}
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}
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/*
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html2canvas.prototype.canvasRenderContextChildren = function(storageContext,parentctx){
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var ctx = storageContext.canvas.getContext('2d');
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storageContext.canvasPosition = storageContext.canvasPosition || {};
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this.canvasRenderContext(storageContext,ctx);
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for (var s = 0; s<this.queue.length;){
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if (storageContext.parentStack && this.queue[s].canvas === storageContext.parentStack.canvas){
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var substorageContext = this.queue.splice(s,1)[0];
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if (substorageContext.ctx.storage[5] && substorageContext.ctx.storage[5].arguments[0]=="Highlights"){
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console.log('ssssssadasda');
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}
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this.canvasRenderContextChildren(substorageContext,ctx);
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// this.canvasRenderContext(substorageContext,ctx);
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// this.canvasRenderStorage(this.queue,ctx);
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|
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}else{
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s++;
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}
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}
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if (storageContext.ctx.storage[5] && storageContext.ctx.storage[5].arguments[0]=="Highlights"){
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$('body').append(parentctx.canvas);
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|
}
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//var parentctx = this.canvas.getContext("2d");
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|
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|
if (storageContext.canvas.width>0 && storageContext.canvas.height > 0){
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parentctx.drawImage(storageContext.canvas,(storageContext.canvasPosition.x || 0),(storageContext.canvasPosition.y || 0));
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}
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|
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}
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*/
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html2canvas.prototype.canvasRenderStorage = function(queue,parentctx){
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|
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|
for (var i = 0; i<queue.length;){
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var storageContext = queue.splice(0,1)[0];
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|
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// storageContext.removeOverflow = storageContext.removeOverflow || {};
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/*
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|
if (storageContext.canvas){
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|
this.canvasRenderContextChildren(storageContext,parentctx);
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|
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var ctx = storageContext.canvas.getContext('2d');
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|
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storageContext.canvasPosition = storageContext.canvasPosition || {};
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|
this.canvasRenderContext(storageContext,ctx);
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|
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for (var s = 0; s<this.queue.length;){
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if (this.queue[s].canvas === storageContext.canvas){
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var substorageContext = this.queue.splice(s,1)[0];
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substorageContext.canvasPosition = storageContext.canvasPosition || {};
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|
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this.canvasRenderContext(substorageContext,ctx);
|
||||||
|
// this.canvasRenderStorage(this.queue,ctx);
|
||||||
|
|
||||||
|
}else{
|
||||||
|
s++;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
//var parentctx = this.canvas.getContext("2d");
|
||||||
|
|
||||||
|
if (storageContext.canvas.width>0 && storageContext.canvas.height > 0){
|
||||||
|
parentctx.drawImage(storageContext.canvas,(storageContext.canvasPosition.x || 0),(storageContext.canvasPosition.y || 0));
|
||||||
|
}
|
||||||
|
ctx = parentctx;
|
||||||
|
|
||||||
|
}else{
|
||||||
|
*/
|
||||||
|
storageContext.canvasPosition = storageContext.canvasPosition || {};
|
||||||
|
this.canvasRenderContext(storageContext,parentctx);
|
||||||
|
// }
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
if (storageContext.newCanvas){
|
||||||
|
var ctx = _.canvas.getContext("2d");
|
||||||
|
ctx.drawImage(canvas,(storageContext.removeOverflow.left || 0),(storageContext.removeOverflow.top || 0));
|
||||||
|
_.ctx = ctx;
|
||||||
|
}*/
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
html2canvas.prototype.canvasRenderer = function(queue){
|
html2canvas.prototype.canvasRenderer = function(queue){
|
||||||
var _ = this;
|
var _ = this;
|
||||||
@ -1023,59 +1263,10 @@ html2canvas.prototype.canvasRenderer = function(queue){
|
|||||||
|
|
||||||
this.ctx = this.canvas.getContext("2d");
|
this.ctx = this.canvas.getContext("2d");
|
||||||
|
|
||||||
// set common settings for canvas
|
this.canvasRenderStorage(queue,this.ctx);
|
||||||
this.ctx.textBaseline = "bottom";
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
this.each(queue,function(i,storageContext){
|
|
||||||
|
|
||||||
if (storageContext.ctx.storage){
|
|
||||||
_.each(storageContext.ctx.storage,function(a,renderItem){
|
|
||||||
|
|
||||||
switch(renderItem.type){
|
|
||||||
case "variable":
|
|
||||||
_.ctx[renderItem.name] = renderItem.arguments;
|
|
||||||
break;
|
|
||||||
case "function":
|
|
||||||
if (renderItem.name=="fillRect"){
|
|
||||||
_.ctx.fillRect(renderItem.arguments[0],renderItem.arguments[1],renderItem.arguments[2],renderItem.arguments[3]);
|
|
||||||
}else if(renderItem.name=="fillText"){
|
|
||||||
_.ctx.fillText(renderItem.arguments[0],renderItem.arguments[1],renderItem.arguments[2]);
|
|
||||||
}else if(renderItem.name=="drawImage"){
|
|
||||||
// console.log(renderItem);
|
|
||||||
// console.log(renderItem.arguments[0].width);
|
|
||||||
if (renderItem.arguments[8] > 0 && renderItem.arguments[7]){
|
|
||||||
_.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]
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}else{
|
|
||||||
this.log(renderItem);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
});
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
});
|
|
||||||
|
|
||||||
|
|
||||||
};
|
};
|
||||||
|
|
||||||
/*
|
/*
|
||||||
@ -1145,8 +1336,8 @@ html2canvas.prototype.setContextVariable = function(ctx,variable,value){
|
|||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
html2canvas.prototype.newText = function(el,textNode,ctx){
|
html2canvas.prototype.newText = function(el,textNode,stack){
|
||||||
|
var ctx = stack.ctx;
|
||||||
var family = this.getCSS(el,"font-family");
|
var family = this.getCSS(el,"font-family");
|
||||||
var size = this.getCSS(el,"font-size");
|
var size = this.getCSS(el,"font-size");
|
||||||
var color = this.getCSS(el,"color");
|
var color = this.getCSS(el,"color");
|
||||||
@ -1171,7 +1362,7 @@ html2canvas.prototype.newText = function(el,textNode,ctx){
|
|||||||
case 401:
|
case 401:
|
||||||
bold = "bold";
|
bold = "bold";
|
||||||
break;
|
break;
|
||||||
case 400:
|
case 400:
|
||||||
bold = "normal";
|
bold = "normal";
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
@ -1191,20 +1382,29 @@ html2canvas.prototype.newText = function(el,textNode,ctx){
|
|||||||
|
|
||||||
|
|
||||||
if (this.opts.letterRendering == false && /^(left|right|justify|auto)$/.test(text_align) && /^(normal|none)$/.test(letter_spacing)){
|
if (this.opts.letterRendering == false && /^(left|right|justify|auto)$/.test(text_align) && /^(normal|none)$/.test(letter_spacing)){
|
||||||
// this.setContextVariable(ctx,"textAlign",text_align);
|
// this.setContextVariable(ctx,"textAlign",text_align);
|
||||||
renderWords = true;
|
renderWords = true;
|
||||||
renderList = textNode.nodeValue.split(/(\b| )/);
|
renderList = textNode.nodeValue.split(/(\b| )/);
|
||||||
|
|
||||||
}else{
|
}else{
|
||||||
// this.setContextVariable(ctx,"textAlign","left");
|
// this.setContextVariable(ctx,"textAlign","left");
|
||||||
renderList = textNode.nodeValue.split("");
|
renderList = textNode.nodeValue.split("");
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
this.setContextVariable(ctx,"fillStyle",color);
|
this.setContextVariable(ctx,"fillStyle",color);
|
||||||
this.setContextVariable(ctx,"font",font);
|
this.setContextVariable(ctx,"font",font);
|
||||||
|
|
||||||
|
/*
|
||||||
|
if (stack.clip){
|
||||||
|
ctx.rect (stack.clip.left, stack.clip.top, stack.clip.width, stack.clip.height);
|
||||||
|
ctx.clip();
|
||||||
|
}
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
@ -1214,56 +1414,62 @@ html2canvas.prototype.newText = function(el,textNode,ctx){
|
|||||||
// TODO only do the splitting for non-range prints
|
// TODO only do the splitting for non-range prints
|
||||||
var newTextNode = oldTextNode.splitText(renderList[c].length);
|
var newTextNode = oldTextNode.splitText(renderList[c].length);
|
||||||
|
|
||||||
|
if (text_decoration!="none" || this.trim(oldTextNode.nodeValue).length != 0){
|
||||||
|
|
||||||
if (this.support.rangeBounds){
|
|
||||||
// getBoundingClientRect is supported for ranges
|
|
||||||
if (document.createRange){
|
|
||||||
var range = document.createRange();
|
if (this.support.rangeBounds){
|
||||||
range.selectNode(oldTextNode);
|
// getBoundingClientRect is supported for ranges
|
||||||
|
if (document.createRange){
|
||||||
|
var range = document.createRange();
|
||||||
|
range.selectNode(oldTextNode);
|
||||||
|
}else{
|
||||||
|
// TODO add IE support
|
||||||
|
var range = document.body.createTextRange();
|
||||||
|
}
|
||||||
|
if (range.getBoundingClientRect()){
|
||||||
|
var bounds = range.getBoundingClientRect();
|
||||||
|
}else{
|
||||||
|
var bounds = {};
|
||||||
|
}
|
||||||
}else{
|
}else{
|
||||||
// TODO add IE support
|
// it isn't supported, so let's wrap it inside an element instead and the bounds there
|
||||||
var range = document.body.createTextRange();
|
|
||||||
|
var parent = oldTextNode.parentNode;
|
||||||
|
var wrapElement = document.createElement('wrapper');
|
||||||
|
var backupText = oldTextNode.cloneNode(true);
|
||||||
|
wrapElement.appendChild(oldTextNode.cloneNode(true));
|
||||||
|
parent.replaceChild(wrapElement,oldTextNode);
|
||||||
|
|
||||||
|
var bounds = this.getBounds(wrapElement);
|
||||||
|
|
||||||
|
|
||||||
|
parent.replaceChild(backupText,wrapElement);
|
||||||
}
|
}
|
||||||
if (range.getBoundingClientRect()){
|
|
||||||
var bounds = range.getBoundingClientRect();
|
|
||||||
}else{
|
|
||||||
var bounds = {};
|
|
||||||
|
// console.log(range);
|
||||||
|
// console.log("'"+oldTextNode.nodeValue+"'"+bounds.left)
|
||||||
|
this.printText(oldTextNode.nodeValue,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
|
||||||
|
this.newRect(ctx,bounds.left,Math.round(bounds.top+metrics.baseline+metrics.lineWidth),bounds.width,1,color);
|
||||||
|
break;
|
||||||
|
case "overline":
|
||||||
|
this.newRect(ctx,bounds.left,bounds.top,bounds.width,1,color);
|
||||||
|
break;
|
||||||
|
case "line-through":
|
||||||
|
// TODO try and find exact position for line-through
|
||||||
|
this.newRect(ctx,bounds.left,Math.ceil(bounds.top+metrics.middle+metrics.lineWidth),bounds.width,1,color);
|
||||||
|
break;
|
||||||
|
|
||||||
}
|
}
|
||||||
}else{
|
|
||||||
// it isn't supported, so let's wrap it inside an element instead and the bounds there
|
|
||||||
|
|
||||||
var parent = oldTextNode.parentNode;
|
|
||||||
var wrapElement = document.createElement('wrapper');
|
|
||||||
var backupText = oldTextNode.cloneNode(true);
|
|
||||||
wrapElement.appendChild(oldTextNode.cloneNode(true));
|
|
||||||
parent.replaceChild(wrapElement,oldTextNode);
|
|
||||||
|
|
||||||
var bounds = this.getBounds(wrapElement);
|
|
||||||
|
|
||||||
|
|
||||||
parent.replaceChild(backupText,wrapElement);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
this.printText(oldTextNode.nodeValue,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
|
|
||||||
this.newRect(ctx,bounds.left,Math.round(bounds.top+metrics.baseline+metrics.lineWidth),bounds.width,1,color);
|
|
||||||
break;
|
|
||||||
case "overline":
|
|
||||||
this.newRect(ctx,bounds.left,bounds.top,bounds.width,1,color);
|
|
||||||
break;
|
|
||||||
case "line-through":
|
|
||||||
// TODO try and find exact position for line-through
|
|
||||||
this.newRect(ctx,bounds.left,Math.ceil(bounds.top+metrics.middle+metrics.lineWidth),bounds.width,1,color);
|
|
||||||
break;
|
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -1305,6 +1511,8 @@ html2canvas.prototype.fontMetrics = function(font,fontSize){
|
|||||||
|
|
||||||
|
|
||||||
var img = document.createElement('img');
|
var img = document.createElement('img');
|
||||||
|
|
||||||
|
// TODO add another image
|
||||||
img.src = "http://html2canvas.hertzen.com/images/8.jpg";
|
img.src = "http://html2canvas.hertzen.com/images/8.jpg";
|
||||||
img.width = 1;
|
img.width = 1;
|
||||||
img.height = 1;
|
img.height = 1;
|
||||||
@ -1411,49 +1619,27 @@ html2canvas.prototype.parsing = function(el,stack){
|
|||||||
|
|
||||||
var _ = this;
|
var _ = this;
|
||||||
|
|
||||||
//if (!this.blockElements.test(el.nodeName)){
|
|
||||||
|
|
||||||
stack = this.newElement(el,stack) || stack;
|
stack = this.newElement(el,stack) || stack;
|
||||||
|
|
||||||
|
|
||||||
var ctx = stack.ctx;
|
var ctx = stack.ctx;
|
||||||
|
|
||||||
|
|
||||||
if (!this.ignoreRe.test(el.nodeName)){
|
if (!this.ignoreRe.test(el.nodeName)){
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
// TODO remove jQuery dependancy
|
// TODO remove jQuery dependancy
|
||||||
|
this.each(this.contentsInZ(el),function(cid,node){
|
||||||
|
|
||||||
var contents = this.contentsInZ(el);
|
if (node.nodeType==1){
|
||||||
|
// element
|
||||||
|
_.parsing(node,stack);
|
||||||
if (contents.length == 1){
|
}else if (node.nodeType==3){
|
||||||
|
_.newText(el,node,stack);
|
||||||
// check nodeType
|
|
||||||
if (contents[0].nodeType==1){
|
|
||||||
// it's an element, so let's look inside it
|
|
||||||
this.parsing(contents[0],stack);
|
|
||||||
}else if (contents[0].nodeType==3){
|
|
||||||
// it's a text node, so lets print the text
|
|
||||||
|
|
||||||
this.newText(el,contents[0],stack.ctx);
|
|
||||||
}
|
}
|
||||||
}else{
|
|
||||||
|
|
||||||
this.each(contents,function(cid,cel){
|
});
|
||||||
|
|
||||||
if (cel.nodeType==1){
|
|
||||||
// element
|
|
||||||
_.parsing(cel,stack);
|
|
||||||
}else if (cel.nodeType==3){
|
|
||||||
_.newText(el,cel,ctx);
|
|
||||||
}
|
|
||||||
|
|
||||||
});
|
|
||||||
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
}
|
}
|
||||||
// }
|
// }
|
||||||
}
|
}
|
||||||
@ -1468,6 +1654,35 @@ html2canvas.prototype.log = function(a){
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
html2canvas.prototype.withinBounds = function(src,dst){
|
||||||
|
if (!src) return true;
|
||||||
|
// return true;
|
||||||
|
return (
|
||||||
|
(src.left <= dst.left || dst.left+dst.width < src.left) &&
|
||||||
|
(src.top <= dst.top || dst.top+dst.height < src.top)
|
||||||
|
);
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
html2canvas.prototype.clipBounds = function(src,dst){
|
||||||
|
|
||||||
|
var x = Math.max(src.left,dst.left);
|
||||||
|
var y = Math.max(src.top,dst.top);
|
||||||
|
|
||||||
|
var x2 = Math.min((src.left+src.width),(dst.left+dst.width));
|
||||||
|
var y2 = Math.min((src.top+src.height),(dst.top+dst.height));
|
||||||
|
|
||||||
|
return {
|
||||||
|
left:x,
|
||||||
|
top:y,
|
||||||
|
width:x2-x,
|
||||||
|
height:y2-y
|
||||||
|
};
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Function to provide bounds for element
|
* Function to provide bounds for element
|
||||||
@ -1478,9 +1693,17 @@ html2canvas.prototype.getBounds = function(el){
|
|||||||
window.scroll(0,0);
|
window.scroll(0,0);
|
||||||
|
|
||||||
if (el.getBoundingClientRect){
|
if (el.getBoundingClientRect){
|
||||||
var bounds = el.getBoundingClientRect();
|
var clientRect = el.getBoundingClientRect();
|
||||||
bounds.top = bounds.top;
|
var bounds = {};
|
||||||
bounds.left = bounds.left;
|
// need to create new object, as clientrect bounds can't be modified, thanks pufuwozu
|
||||||
|
// TODO add scroll position to bounds, so no scrolling of window necessary
|
||||||
|
bounds.top = clientRect.top;
|
||||||
|
bounds.left = clientRect.left;
|
||||||
|
bounds.width = clientRect.width;
|
||||||
|
bounds.height = clientRect.height;
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
return bounds;
|
return bounds;
|
||||||
}else{
|
}else{
|
||||||
|
|
||||||
@ -1622,6 +1845,6 @@ html2canvas.prototype.isSameOrigin = function(url){
|
|||||||
var link = document.createElement("a");
|
var link = document.createElement("a");
|
||||||
link.href = url;
|
link.href = url;
|
||||||
|
|
||||||
return ((link.protocol + link.hostname) == this.pageOrigin);
|
return ((link.protocol + link.host) == this.pageOrigin);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|||||||
77
build/html2canvas.min.js
vendored
77
build/html2canvas.min.js
vendored
@ -1,49 +1,50 @@
|
|||||||
/*
|
/*
|
||||||
* html2canvas v0.25 <http://html2canvas.hertzen.com>
|
* html2canvas v0.26 <http://html2canvas.hertzen.com>
|
||||||
* Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
|
* Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
|
||||||
* http://www.twitter.com/niklasvh
|
* http://www.twitter.com/niklasvh
|
||||||
*
|
*
|
||||||
* Released under MIT License
|
* Released under MIT License
|
||||||
*/
|
*/
|
||||||
|
|
||||||
function html2canvas(a,b){this.opts=this.extendObj(b||{},{logging:!1,ready:function(a){document.body.appendChild(a.canvas)},storageReady:function(a){a.Renderer(a.contextStacks)},iframeDefault:"default",flashCanvasPath:"http://html2canvas.hertzen.com/external/flashcanvas/flashcanvas.js",renderViewport:!1,reorderZ:!0,throttle:!0,letterRendering:!1,proxyUrl:null,logger:function(a){window.console&&window.console.log?window.console.log(a):alert(a)},canvasWidth:0,canvasHeight:0,renderOrder:"canvas flash html"});
|
function html2canvas(a,b){this.opts=this.extendObj(b||{},{logging:!1,ready:function(a){document.body.appendChild(a.canvas)},storageReady:function(a){a.Renderer(a.contextStacks)},iframeDefault:"default",flashCanvasPath:"http://html2canvas.hertzen.com/external/flashcanvas/flashcanvas.js",renderViewport:!1,reorderZ:!0,throttle:!0,letterRendering:!1,proxyUrl:null,logger:function(a){window.console&&window.console.log?window.console.log(a):alert(a)},canvasWidth:0,canvasHeight:0,useOverflow:!0,renderOrder:"canvas flash html"});
|
||||||
this.element=a;this.imagesLoaded=0;this.images=[];this.fontData=[];this.numDraws=0;this.contextStacks=[];this.ignoreElements="IFRAME|OBJECT|PARAM";this.needReorder=!1;this.blockElements=/(BR|PARAM)/;this.pageOrigin=window.location.protocol+window.location.hostname;this.ignoreRe=RegExp("("+this.ignoreElements+")");this.support={rangeBounds:!1};if(document.createRange){var d=document.createRange();if(d.getBoundingClientRect){var c=document.createElement("boundtest");c.style.height="123px";c.style.display=
|
this.element=a;this.imagesLoaded=0;this.images=[];this.fontData=[];this.numDraws=0;this.contextStacks=[];this.ignoreElements="IFRAME|OBJECT|PARAM";this.needReorder=!1;this.blockElements=/(BR|PARAM)/;this.pageOrigin=window.location.protocol+window.location.host;this.ignoreRe=RegExp("("+this.ignoreElements+")");this.support={rangeBounds:!1};if(document.createRange){var c=document.createRange();if(c.getBoundingClientRect){var d=document.createElement("boundtest");d.style.height="123px";d.style.display=
|
||||||
"block";document.getElementsByTagName("body")[0].appendChild(c);d.selectNode(c);if(d.getBoundingClientRect().height==123)this.support.rangeBounds=!0;document.getElementsByTagName("body")[0].removeChild(c)}}this.init();return this}
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"block";document.getElementsByTagName("body")[0].appendChild(d);c.selectNode(d);if(c.getBoundingClientRect().height==123)this.support.rangeBounds=!0;document.getElementsByTagName("body")[0].removeChild(d)}}this.init();return this}
|
||||||
html2canvas.prototype.init=function(){var a=this;this.log("Finding background-images");this.images.push("start");this.getImages(this.element);this.log("Finding images");this.each(this.element.ownerDocument.images,function(b,d){a.preloadImage(a.getAttr(d,"src"))});this.images.splice(0,1);this.images.length==0&&this.start()};
|
html2canvas.prototype.init=function(){var a=this;this.log("Finding background-images");this.images.push("start");this.getImages(this.element);this.log("Finding images");this.each(this.element.ownerDocument.images,function(b,c){a.preloadImage(a.getAttr(c,"src"))});this.images.splice(0,1);this.images.length==0&&this.start()};
|
||||||
html2canvas.prototype.start=function(){if(this.images.length==0||this.imagesLoaded==this.images.length/2){this.log("Finished loading "+this.imagesLoaded+" images, Started parsing");this.bodyOverflow=document.getElementsByTagName("body")[0].style.overflow;document.getElementsByTagName("body")[0].style.overflow="hidden";var a=new this.storageContext($(document).width(),$(document).height());a.opacity=this.getCSS(this.element,"opacity");this.parseElement(this.element,this.newElement(this.element,a))}};
|
html2canvas.prototype.start=function(){if(this.images.length==0||this.imagesLoaded==this.images.length/2){this.log("Finished loading "+this.imagesLoaded+" images, Started parsing");this.bodyOverflow=document.getElementsByTagName("body")[0].style.overflow;document.getElementsByTagName("body")[0].style.overflow="hidden";var a=new this.storageContext($(document).width(),$(document).height());a.opacity=this.getCSS(this.element,"opacity");this.parseElement(this.element,this.newElement(this.element,a))}};
|
||||||
html2canvas.prototype.stackingContext=function(a){this.canvas=document.createElement("canvas");this.canvas.width=a;this.canvas.height=a;if(this.canvas.getContext)this.ctx=this.canvas.getContext("2d");this.ctx.textBaseline="bottom";return this.ctx};
|
html2canvas.prototype.stackingContext=function(a){this.canvas=document.createElement("canvas");this.canvas.width=a;this.canvas.height=a;if(this.canvas.getContext)this.ctx=this.canvas.getContext("2d");this.ctx.textBaseline="bottom";return this.ctx};
|
||||||
html2canvas.prototype.storageContext=function(a,b){this.storage=[];this.width=a;this.height=b;this.fillRect=function(a,b,e,f){this.storage.push({type:"function",name:"fillRect",arguments:[a,b,e,f]})};this.drawImage=function(a,b,e,f,g,j,h,k,i){this.storage.push({type:"function",name:"drawImage",arguments:[a,b,e,f,g,j,h,k,i]})};this.fillText=function(a,b,e){this.storage.push({type:"function",name:"fillText",arguments:[a,b,e]})};return this};
|
html2canvas.prototype.storageContext=function(a,b){this.storage=[];this.width=a;this.height=b;this.fillRect=function(a,b,e,f){this.storage.push({type:"function",name:"fillRect",arguments:[a,b,e,f]})};this.drawImage=function(a,b,e,f,h,i,g,j,k){this.storage.push({type:"function",name:"drawImage",arguments:[a,b,e,f,h,i,g,j,k]})};this.fillText=function(a,b,e){this.storage.push({type:"function",name:"fillText",arguments:[a,b,e]})};return this};
|
||||||
html2canvas.prototype.finish=function(){this.log("Finished rendering");document.getElementsByTagName("body")[0].style.overflow=this.bodyOverflow;this.opts.ready(this)};
|
html2canvas.prototype.finish=function(){this.log("Finished rendering");document.getElementsByTagName("body")[0].style.overflow=this.bodyOverflow;this.opts.ready(this)};
|
||||||
html2canvas.prototype.drawBackground=function(a,b,d){var c=this.getCSS(a,"background-image"),e=this.getCSS(a,"background-repeat");if(typeof c!="undefined"&&/^(1|none)$/.test(c)==!1&&/^(-webkit|-moz|linear-gradient|-o-)/.test(c)==!1){var c=this.backgroundImageUrl(c),f=this.loadImage(c),a=this.getBackgroundPosition(a,b,f);if(f)switch(e){case "repeat-x":this.drawbackgroundRepeatX(d,f,a,b.left,b.top,b.width,b.height);break;case "repeat-y":this.drawbackgroundRepeatY(d,f,a,b.left,b.top,b.width,b.height);
|
html2canvas.prototype.drawBackground=function(a,b,c){var d=this.getCSS(a,"background-image"),e=this.getCSS(a,"background-repeat");if(typeof d!="undefined"&&/^(1|none)$/.test(d)==!1&&/^(-webkit|-moz|linear-gradient|-o-)/.test(d)==!1){var d=this.backgroundImageUrl(d),f=this.loadImage(d),a=this.getBackgroundPosition(a,b,f);if(f)switch(e){case "repeat-x":this.drawbackgroundRepeatX(c,f,a,b.left,b.top,b.width,b.height);break;case "repeat-y":this.drawbackgroundRepeatY(c,f,a,b.left,b.top,b.width,b.height);
|
||||||
break;case "no-repeat":var c=b.width-a.left,e=b.height-a.top,g=a.left,j=a.top,h=a.left+b.left,k=a.top+b.top;g<0?(g=Math.abs(g),h+=g,c=Math.min(b.width,f.width-g)):(c=Math.min(c,f.width),g=0);j<0?(j=Math.abs(j),k+=j,e=Math.min(b.height,f.height-j)):(e=Math.min(e,f.height),j=0);if(e>0&&c>0){this.drawImage(d,f,g,j,c,e,h,k,c,e);break}default:a.top-=Math.ceil(a.top/f.height)*f.height;for(c=b.top+a.top;c<b.height+b.top;)e=Math.min(f.height,b.height+b.top-c),e=Math.floor(c+f.height)>e+c?e+c-c:f.height,c<
|
break;case "no-repeat":var d=b.width-a.left,e=b.height-a.top,h=a.left,i=a.top,g=a.left+b.left,j=a.top+b.top;h<0?(h=Math.abs(h),g+=h,d=Math.min(b.width,f.width-h)):(d=Math.min(d,f.width),h=0);i<0?(i=Math.abs(i),j+=i,e=Math.min(b.height,f.height-i)):(e=Math.min(e,f.height),i=0);if(e>0&&d>0){this.drawImage(c,f,h,i,d,e,g,j,d,e);break}default:a.top-=Math.ceil(a.top/f.height)*f.height;for(d=b.top+a.top;d<b.height+b.top;)e=Math.min(f.height,b.height+b.top-d),e=Math.floor(d+f.height)>e+d?e+d-d:f.height,d<
|
||||||
b.top?(g=b.top-c,c=b.top):g=0,this.drawbackgroundRepeatX(d,f,a,b.left,c,b.width,e),g>0&&(a.top+=g),c=Math.floor(c+f.height)-g}else this.log("Error loading background:"+c)}};html2canvas.prototype.backgroundImageUrl=function(a){a.substr(0,5)=='url("'?(a=a.substr(5),a=a.substr(0,a.length-2)):(a=a.substr(4),a=a.substr(0,a.length-1));return a};
|
b.top?(h=b.top-d,d=b.top):h=0,this.drawbackgroundRepeatX(c,f,a,b.left,d,b.width,e),h>0&&(a.top+=h),d=Math.floor(d+f.height)-h}else this.log("Error loading background:"+d)}};html2canvas.prototype.backgroundImageUrl=function(a){a.substr(0,5)=='url("'?(a=a.substr(5),a=a.substr(0,a.length-2)):(a=a.substr(4),a=a.substr(0,a.length-1));return a};
|
||||||
html2canvas.prototype.getBackgroundPosition=function(a,b,d){var c=(this.getCSS(a,"backgroundPosition")||"0 0").split(" "),e;c.length==1&&(a=c,c=[],c[0]=a,c[1]=a);c[0].toString().indexOf("%")!=-1?(e=parseFloat(c[0])/100,a=b.width*e-d.width*e):a=parseInt(c[0],10);c[1].toString().indexOf("%")!=-1?(e=parseFloat(c[1])/100,b=b.height*e-d.height*e):b=parseInt(c[1],10);d={};d.top=b;d.left=a;return d};
|
html2canvas.prototype.getBackgroundPosition=function(a,b,c){var d=(this.getCSS(a,"backgroundPosition")||"0 0").split(" "),e;d.length==1&&(a=d,d=[],d[0]=a,d[1]=a);d[0].toString().indexOf("%")!=-1?(e=parseFloat(d[0])/100,a=b.width*e-c.width*e):a=parseInt(d[0],10);d[1].toString().indexOf("%")!=-1?(e=parseFloat(d[1])/100,b=b.height*e-c.height*e):b=parseInt(d[1],10);c={};c.top=b;c.left=a;return c};
|
||||||
html2canvas.prototype.drawbackgroundRepeatY=function(a,b,d,c,e,f,g){var j=Math.min(b.width,f),h;d.top-=Math.ceil(d.top/b.height)*b.height;for(h=e+d.top;h<g+e;)f=Math.floor(h+b.height)>g+e?g+e-h:b.height,this.drawBackgroundRepeat(a,b,c+d.left,h,j,f,c,e),h=Math.floor(h+b.height)};
|
html2canvas.prototype.drawbackgroundRepeatY=function(a,b,c,d,e,f,h){var i=Math.min(b.width,f),g;c.top-=Math.ceil(c.top/b.height)*b.height;for(g=e+c.top;g<h+e;)f=Math.floor(g+b.height)>h+e?h+e-g:b.height,this.drawBackgroundRepeat(a,b,d+c.left,g,i,f,d,e),g=Math.floor(g+b.height)};
|
||||||
html2canvas.prototype.drawbackgroundRepeatX=function(a,b,d,c,e,f,g){var g=Math.min(b.height,g),j,h;d.left-=Math.ceil(d.left/b.width)*b.width;for(h=c+d.left;h<f+c;)j=Math.floor(h+b.width)>f+c?f+c-h:b.width,this.drawBackgroundRepeat(a,b,h,e+d.top,j,g,c,e),h=Math.floor(h+b.width)};html2canvas.prototype.drawBackgroundRepeat=function(a,b,d,c,e,f,g,j){var h=0,k=0;g-d>0&&(h=g-d);j-c>0&&(k=j-c);this.drawImage(a,b,h,k,e-h,f-k,d+h,c+k,e-h,f-k)};
|
html2canvas.prototype.drawbackgroundRepeatX=function(a,b,c,d,e,f,h){var h=Math.min(b.height,h),i,g;c.left-=Math.ceil(c.left/b.width)*b.width;for(g=d+c.left;g<f+d;)i=Math.floor(g+b.width)>f+d?f+d-g:b.width,this.drawBackgroundRepeat(a,b,g,e+c.top,i,h,d,e),g=Math.floor(g+b.width)};html2canvas.prototype.drawBackgroundRepeat=function(a,b,c,d,e,f,h,i){var g=0,j=0;h-c>0&&(g=h-c);i-d>0&&(j=i-d);this.drawImage(a,b,g,j,e-g,f-j,c+g,d+j,e-g,f-j)};
|
||||||
html2canvas.prototype.getBorderData=function(a){var b=[],d=this;this.each(["top","right","bottom","left"],function(c,e){b.push({width:parseInt(d.getCSS(a,"border-"+e+"-width"),10),color:d.getCSS(a,"border-"+e+"-color")})});return b};
|
html2canvas.prototype.getBorderData=function(a){var b=[],c=this;this.each(["top","right","bottom","left"],function(d,e){b.push({width:parseInt(c.getCSS(a,"border-"+e+"-width"),10),color:c.getCSS(a,"border-"+e+"-color")})});return b};
|
||||||
html2canvas.prototype.drawBorders=function(a,b,d,c,e,f){var g=this.getBorderData(a),j=this;this.each(g,function(a,k){if(k.width>0){var i=d,l=c,m=e,n=f-g[2].width;switch(a){case 0:n=g[0].width;break;case 1:i=d+e-g[1].width;m=g[1].width;break;case 2:l=l+f-g[2].width;n=g[2].width;break;case 3:m=g[3].width}j.newRect(b,i,l,m,n,k.color)}});return g};
|
html2canvas.prototype.drawBorders=function(a,b,c,d){var e=c.left,f=c.top,h=c.width,i=c.height,g=this.getBorderData(a),j=this;this.each(g,function(a,c){if(c.width>0){var n=e,o=f,m=h,p=i-g[2].width;switch(a){case 0:p=g[0].width;break;case 1:n=e+h-g[1].width;m=g[1].width;break;case 2:o=o+i-g[2].width;p=g[2].width;break;case 3:m=g[3].width}m={left:n,top:o,width:m,height:p};d&&(m=j.clipBounds(m,d));m.width>0&&m.height>0&&j.newRect(b,n,o,m.width,m.height,c.color)}});return g};
|
||||||
html2canvas.prototype.newElement=function(a,b){var d=this.getBounds(a),c=d.left,e=d.top,f=d.width,g=d.height,j=this.getCSS(a,"background-color"),b=b||{},h=this.formatZ(this.getCSS(a,"zIndex"),this.getCSS(a,"position"),b.zIndex,a.parentNode),k=this.getCSS(a,"opacity"),i={ctx:new this.storageContext,zIndex:h,opacity:k*b.opacity},h=this.contextStacks.push(i),k=this.contextStacks[h-1].ctx;this.setContextVariable(k,"globalAlpha",i.opacity);i=this.drawBorders(a,k,d.left,d.top,d.width,d.height);this.ignoreRe.test(a.nodeName)&&
|
html2canvas.prototype.newElement=function(a,b){var c=this.getBounds(a),d=c.left,e=c.top,f=c.width,h=c.height,i;i=this.getCSS(a,"background-color");var g=this.getCSS(a,"position"),b=b||{},j=this.formatZ(this.getCSS(a,"zIndex"),g,b.zIndex,a.parentNode),k=this.getCSS(a,"opacity"),l={ctx:new this.storageContext,zIndex:j,opacity:k*b.opacity,cssPosition:g};if(b.clip)l.clip=$.extend({},b.clip),l.clip.height-=b.borders[2].width;if(this.opts.useOverflow&&/(hidden|scroll|auto)/.test(this.getCSS(a,"overflow"))&&
|
||||||
this.opts.iframeDefault!="transparent"&&(j=this.opts.iframeDefault=="default"?"#efefef":this.opts.iframeDefault);this.newRect(k,c+i[3].width,e+i[0].width,f-(i[1].width+i[3].width),g-(i[0].width+i[2].width),j);this.drawBackground(a,{left:c+i[3].width,top:e+i[0].width,width:f-(i[1].width+i[3].width),height:g-(i[0].width+i[2].width)},k);a.nodeName=="IMG"&&((f=this.loadImage(this.getAttr(a,"src")))?this.drawImage(k,f,0,0,f.width,f.height,c+parseInt(this.getCSS(a,"padding-left"),10)+i[3].width,e+parseInt(this.getCSS(a,
|
!/(BODY)/i.test(a.nodeName))l.clip=l.clip?this.clipBounds(l.clip,c):c;g=this.contextStacks.push(l);j=this.contextStacks[g-1].ctx;this.setContextVariable(j,"globalAlpha",l.opacity);k=this.drawBorders(a,j,c);l.borders=k;this.ignoreRe.test(a.nodeName)&&this.opts.iframeDefault!="transparent"&&(i=this.opts.iframeDefault=="default"?"#efefef":this.opts.iframeDefault);f={left:d+k[3].width,top:e+k[0].width,width:f-(k[1].width+k[3].width),height:h-(k[0].width+k[2].width)};l.clip&&(f=this.clipBounds(f,l.clip));
|
||||||
"padding-top"),10)+i[0].width,d.width-(i[1].width+i[3].width+parseInt(this.getCSS(a,"padding-left"),10)+parseInt(this.getCSS(a,"padding-right"),10)),d.height-(i[0].width+i[2].width+parseInt(this.getCSS(a,"padding-top"),10)+parseInt(this.getCSS(a,"padding-bottom"),10))):this.log("Error loading <img>:"+this.getAttr(a,"src")));return this.contextStacks[h-1]};html2canvas.prototype.printText=function(a,b,d,c){this.trim(a).length>0&&(c.fillText(a,b,d),this.numDraws++)};
|
f.height>0&&f.width>0&&(this.newRect(j,f.left,f.top,f.width,f.height,i),this.drawBackground(a,f,j));a.nodeName=="IMG"&&((i=this.loadImage(this.getAttr(a,"src")))?this.drawImage(j,i,0,0,i.width,i.height,d+parseInt(this.getCSS(a,"padding-left"),10)+k[3].width,e+parseInt(this.getCSS(a,"padding-top"),10)+k[0].width,c.width-(k[1].width+k[3].width+parseInt(this.getCSS(a,"padding-left"),10)+parseInt(this.getCSS(a,"padding-right"),10)),c.height-(k[0].width+k[2].width+parseInt(this.getCSS(a,"padding-top"),
|
||||||
html2canvas.prototype.newRect=function(a,b,d,c,e,f){f!="transparent"&&(this.setContextVariable(a,"fillStyle",f),a.fillRect(b,d,c,e),this.numDraws++)};html2canvas.prototype.drawImage=function(a,b,d,c,e,f,g,j,h,k){a.drawImage(b,d,c,e,f,g,j,h,k);this.numDraws++};
|
10)+parseInt(this.getCSS(a,"padding-bottom"),10))):this.log("Error loading <img>:"+this.getAttr(a,"src")));return this.contextStacks[g-1]};html2canvas.prototype.printText=function(a,b,c,d){this.trim(a).length>0&&(d.fillText(a,b,c),this.numDraws++)};html2canvas.prototype.newRect=function(a,b,c,d,e,f){f!="transparent"&&(this.setContextVariable(a,"fillStyle",f),a.fillRect(b,c,d,e),this.numDraws++)};html2canvas.prototype.drawImage=function(a,b,c,d,e,f,h,i,g,j){a.drawImage(b,c,d,e,f,h,i,g,j);this.numDraws++};
|
||||||
html2canvas.prototype.getImages=function(a){var b=this;this.ignoreRe.test(a.nodeName)||this.each($(a).contents(),function(a,c){RegExp("("+this.ignoreElements+")").test(c.nodeName)||b.getImages(c)});if(a.nodeType==1||typeof a.nodeType=="undefined")(a=this.getCSS(a,"background-image"))&&a!="1"&&a!="none"&&a.substring(0,7)!="-webkit"&&a.substring(0,3)!="-o-"&&a.substring(0,4)!="-moz"&&this.preloadImage(this.backgroundImageUrl(a))};
|
html2canvas.prototype.getImages=function(a){var b=this;this.ignoreRe.test(a.nodeName)||this.each($(a).contents(),function(a,d){RegExp("("+this.ignoreElements+")").test(d.nodeName)||b.getImages(d)});if(a.nodeType==1||typeof a.nodeType=="undefined")(a=this.getCSS(a,"background-image"))&&a!="1"&&a!="none"&&a.substring(0,7)!="-webkit"&&a.substring(0,3)!="-o-"&&a.substring(0,4)!="-moz"&&this.preloadImage(this.backgroundImageUrl(a))};
|
||||||
html2canvas.prototype.loadImage=function(a){a=this.getIndex(this.images,a);return a!=-1?this.images[a+1]:!1};html2canvas.prototype.preloadImage=function(a){if(this.getIndex(this.images,a)==-1)if(this.isSameOrigin(a)){this.images.push(a);var b=new Image,d=this;$(b).load(function(){d.imagesLoaded++;d.start()});b.onerror=function(){d.images.splice(d.images.indexOf(b.src),2);d.start()};b.src=a;this.images.push(b)}else this.opts.proxyUrl&&(this.images.push(a),b=new Image,this.proxyGetImage(a,b),this.images.push(b))};
|
html2canvas.prototype.loadImage=function(a){a=this.getIndex(this.images,a);return a!=-1?this.images[a+1]:!1};html2canvas.prototype.preloadImage=function(a){if(this.getIndex(this.images,a)==-1)if(this.isSameOrigin(a)){this.images.push(a);var b=new Image,c=this;$(b).load(function(){c.imagesLoaded++;c.start()});b.onerror=function(){c.images.splice(c.images.indexOf(b.src),2);c.start()};b.src=a;this.images.push(b)}else this.opts.proxyUrl&&(this.images.push(a),b=new Image,this.proxyGetImage(a,b),this.images.push(b))};
|
||||||
html2canvas.prototype.proxyGetImage=function(a,b){var d=this,c=document.createElement("a");c.href=a;a=c.href;$.ajax({data:{xhr2:!1,url:a},url:this.opts.proxyUrl,dataType:"jsonp",success:function(c){c.substring(0,6)=="error:"?(d.images.splice(d.images.indexOf(a),2),d.start(),d.log("Proxy was unable to load "+a+" "+c)):(b.onload=function(){d.imagesLoaded++;d.start()},b.src=c)},error:function(){d.images.splice(d.images.indexOf(a),2);d.start()}})};
|
html2canvas.prototype.proxyGetImage=function(a,b){var c=this,d=document.createElement("a");d.href=a;a=d.href;$.ajax({data:{xhr2:!1,url:a},url:this.opts.proxyUrl,dataType:"jsonp",success:function(d){d.substring(0,6)=="error:"?(c.images.splice(c.images.indexOf(a),2),c.start(),c.log("Proxy was unable to load "+a+" "+d)):(b.onload=function(){c.imagesLoaded++;c.start()},b.src=d)},error:function(){c.images.splice(c.images.indexOf(a),2);c.start()}})};
|
||||||
html2canvas.prototype.Renderer=function(a){var b=this;this.log("Renderer initiated");this.each(this.opts.renderOrder.split(" "),function(d,c){switch(c){case "canvas":b.canvas=document.createElement("canvas");if(b.canvas.getContext)return b.canvasRenderer(a),b.log("Using canvas renderer"),!1;break;case "html":return b.log("Using HTML renderer"),!1}});return this};html2canvas.prototype.throttler=function(){};
|
html2canvas.prototype.Renderer=function(a){var b=this;this.log("Renderer initiated");this.each(this.opts.renderOrder.split(" "),function(c,d){switch(d){case "canvas":b.canvas=document.createElement("canvas");if(b.canvas.getContext)return b.canvasRenderer(a),b.log("Using canvas renderer"),!1;break;case "html":return b.log("Using HTML renderer"),!1}});return this};html2canvas.prototype.throttler=function(){};
|
||||||
html2canvas.prototype.canvasRenderer=function(a){var b=this,a=this.sortQueue(a);this.canvas.width=Math.max($(document).width(),this.opts.canvasWidth);this.canvas.height=Math.max($(document).height(),this.opts.canvasHeight);this.ctx=this.canvas.getContext("2d");this.ctx.textBaseline="bottom";this.each(a,function(a,c){c.ctx.storage&&b.each(c.ctx.storage,function(a,c){switch(c.type){case "variable":b.ctx[c.name]=c.arguments;break;case "function":c.name=="fillRect"?b.ctx.fillRect(c.arguments[0],c.arguments[1],
|
html2canvas.prototype.canvasRenderContext=function(a,b){b.textBaseline="bottom";var c=this;a.clip&&(b.save(),b.beginPath(),b.rect(a.clip.left,a.clip.top,a.clip.width,a.clip.height),b.clip());a.ctx.storage&&c.each(a.ctx.storage,function(d,e){switch(e.type){case "variable":b[e.name]=e.arguments;break;case "function":e.name=="fillRect"?b.fillRect(e.arguments[0]-(a.canvasPosition.x||0),e.arguments[1]-(a.canvasPosition.y||0),e.arguments[2],e.arguments[3]):e.name=="fillText"?b.fillText(e.arguments[0],e.arguments[1]-
|
||||||
c.arguments[2],c.arguments[3]):c.name=="fillText"?b.ctx.fillText(c.arguments[0],c.arguments[1],c.arguments[2]):c.name=="drawImage"?c.arguments[8]>0&&c.arguments[7]&&b.ctx.drawImage(c.arguments[0],c.arguments[1],c.arguments[2],c.arguments[3],c.arguments[4],c.arguments[5],c.arguments[6],c.arguments[7],c.arguments[8]):this.log(c)}})})};
|
(a.canvasPosition.x||0),e.arguments[2]-(a.canvasPosition.y||0)):e.name=="drawImage"?e.arguments[8]>0&&e.arguments[7]&&b.drawImage(e.arguments[0],e.arguments[1],e.arguments[2],e.arguments[3],e.arguments[4],e.arguments[5]-(a.canvasPosition.x||0),e.arguments[6]-(a.canvasPosition.y||0),e.arguments[7],e.arguments[8]):c.log(e)}});a.clip&&b.restore()};
|
||||||
html2canvas.prototype.sortQueue=function(a){if(!this.opts.reorderZ||!this.needReorder)return a;var b=0;this.each(a,function(a,d){if(b<d.zIndex.length)b=d.zIndex.length});var d=0;this.each(a,function(c,e){for(var f=a.length.toString().length-d.toString().length;b>e.zIndex.length;)e.zIndex+="0";for(e.zIndex+=d;b+f+d.toString().length>e.zIndex.length;)e.zIndex+="0";d++});return a=a.sort(function(a,b){return a.zIndex<b.zIndex?-1:a.zIndex>b.zIndex?1:0})};
|
html2canvas.prototype.canvasRenderStorage=function(a,b){for(;0<a.length;){var c=a.splice(0,1)[0];c.canvasPosition=c.canvasPosition||{};this.canvasRenderContext(c,b)}};html2canvas.prototype.canvasRenderer=function(a){a=this.sortQueue(a);this.canvas.width=Math.max($(document).width(),this.opts.canvasWidth);this.canvas.height=Math.max($(document).height(),this.opts.canvasHeight);this.ctx=this.canvas.getContext("2d");this.canvasRenderStorage(a,this.ctx)};
|
||||||
html2canvas.prototype.setContextVariable=function(a,b,d){a.storage?a.storage.push({type:"variable",name:b,arguments:d}):a[b]=d};
|
html2canvas.prototype.sortQueue=function(a){if(!this.opts.reorderZ||!this.needReorder)return a;var b=0;this.each(a,function(a,c){if(b<c.zIndex.length)b=c.zIndex.length});var c=0;this.each(a,function(d,e){for(var f=a.length.toString().length-c.toString().length;b>e.zIndex.length;)e.zIndex+="0";for(e.zIndex+=c;b+f+c.toString().length>e.zIndex.length;)e.zIndex+="0";c++});return a=a.sort(function(a,b){return a.zIndex<b.zIndex?-1:a.zIndex>b.zIndex?1:0})};
|
||||||
html2canvas.prototype.newText=function(a,b,d){var c=this.getCSS(a,"font-family"),e=this.getCSS(a,"font-size"),f=this.getCSS(a,"color"),g=this.getCSS(a,"font-weight"),j=this.getCSS(a,"font-style"),h=this.getCSS(a,"font-variant"),k=this.getCSS(a,"text-decoration"),i=this.getCSS(a,"text-align"),l=this.getCSS(a,"letter-spacing");b.nodeValue=this.textTransform(b.nodeValue,this.getCSS(a,"text-transform"));if(this.trim(b.nodeValue).length>0){switch(g){case 401:g="bold";break;case 400:g="normal"}if(k!="none")var m=
|
html2canvas.prototype.setContextVariable=function(a,b,c){a.storage?a.storage.push({type:"variable",name:b,arguments:c}):a[b]=c};
|
||||||
this.fontMetrics(c,e);a=h+" "+g+" "+j+" "+e+" "+c;i=i.replace(["-webkit-auto"],["auto"]);i=this.opts.letterRendering==!1&&/^(left|right|justify|auto)$/.test(i)&&/^(normal|none)$/.test(l)?b.nodeValue.split(/(\b| )/):b.nodeValue.split("");this.setContextVariable(d,"fillStyle",f);this.setContextVariable(d,"font",a);for(l=0;l<i.length;l++){a=b.splitText(i[l].length);this.support.rangeBounds?(document.createRange?(c=document.createRange(),c.selectNode(b)):c=document.body.createTextRange(),c=c.getBoundingClientRect()?
|
html2canvas.prototype.newText=function(a,b,c){var c=c.ctx,d=this.getCSS(a,"font-family"),e=this.getCSS(a,"font-size"),f=this.getCSS(a,"color"),h=this.getCSS(a,"font-weight"),i=this.getCSS(a,"font-style"),g=this.getCSS(a,"font-variant"),j=this.getCSS(a,"text-decoration"),k=this.getCSS(a,"text-align"),l=this.getCSS(a,"letter-spacing");b.nodeValue=this.textTransform(b.nodeValue,this.getCSS(a,"text-transform"));if(this.trim(b.nodeValue).length>0){switch(h){case 401:h="bold";break;case 400:h="normal"}if(j!=
|
||||||
c.getBoundingClientRect():{}):(e=b.parentNode,g=document.createElement("wrapper"),j=b.cloneNode(!0),g.appendChild(b.cloneNode(!0)),e.replaceChild(g,b),c=this.getBounds(g),e.replaceChild(j,g));this.printText(b.nodeValue,c.left,c.bottom,d);switch(k){case "underline":this.newRect(d,c.left,Math.round(c.top+m.baseline+m.lineWidth),c.width,1,f);break;case "overline":this.newRect(d,c.left,c.top,c.width,1,f);break;case "line-through":this.newRect(d,c.left,Math.ceil(c.top+m.middle+m.lineWidth),c.width,1,f)}b=
|
"none")var n=this.fontMetrics(d,e);d=g+" "+h+" "+i+" "+e+" "+d;k=k.replace(["-webkit-auto"],["auto"]);a=this.opts.letterRendering==!1&&/^(left|right|justify|auto)$/.test(k)&&/^(normal|none)$/.test(l)?b.nodeValue.split(/(\b| )/):b.nodeValue.split("");this.setContextVariable(c,"fillStyle",f);this.setContextVariable(c,"font",d);for(k=0;k<a.length;k++){l=b.splitText(a[k].length);if(j!="none"||this.trim(b.nodeValue).length!=0)switch(this.support.rangeBounds?(document.createRange?(d=document.createRange(),
|
||||||
a}}};
|
d.selectNode(b)):d=document.body.createTextRange(),d=d.getBoundingClientRect()?d.getBoundingClientRect():{}):(e=b.parentNode,h=document.createElement("wrapper"),i=b.cloneNode(!0),h.appendChild(b.cloneNode(!0)),e.replaceChild(h,b),d=this.getBounds(h),e.replaceChild(i,h)),this.printText(b.nodeValue,d.left,d.bottom,c),j){case "underline":this.newRect(c,d.left,Math.round(d.top+n.baseline+n.lineWidth),d.width,1,f);break;case "overline":this.newRect(c,d.left,d.top,d.width,1,f);break;case "line-through":this.newRect(c,
|
||||||
html2canvas.prototype.fontMetrics=function(a,b){var d=this.fontData.indexOf(a+"-"+b);if(d>-1)return this.fontData[d+1];d=document.createElement("div");document.getElementsByTagName("body")[0].appendChild(d);$(d).css({visibility:"hidden",fontFamily:a,fontSize:b,margin:0,padding:0});var c=document.createElement("img");c.src="http://html2canvas.hertzen.com/images/8.jpg";c.width=1;c.height=1;$(c).css({margin:0,padding:0});var e=document.createElement("span");$(e).css({fontFamily:a,fontSize:b,margin:0,padding:0});
|
d.left,Math.ceil(d.top+n.middle+n.lineWidth),d.width,1,f)}b=l}}};
|
||||||
e.appendChild(document.createTextNode("Hidden Text"));d.appendChild(e);d.appendChild(c);var f=c.offsetTop-e.offsetTop+1;d.removeChild(e);d.appendChild(document.createTextNode("Hidden Text"));$(d).css("line-height","normal");$(c).css("vertical-align","super");c={baseline:f,lineWidth:1,middle:c.offsetTop-d.offsetTop+1};this.fontData.push(a+"-"+b);this.fontData.push(c);$(d).remove();return c};
|
html2canvas.prototype.fontMetrics=function(a,b){var c=this.fontData.indexOf(a+"-"+b);if(c>-1)return this.fontData[c+1];c=document.createElement("div");document.getElementsByTagName("body")[0].appendChild(c);$(c).css({visibility:"hidden",fontFamily:a,fontSize:b,margin:0,padding:0});var d=document.createElement("img");d.src="http://html2canvas.hertzen.com/images/8.jpg";d.width=1;d.height=1;$(d).css({margin:0,padding:0});var e=document.createElement("span");$(e).css({fontFamily:a,fontSize:b,margin:0,
|
||||||
|
padding:0});e.appendChild(document.createTextNode("Hidden Text"));c.appendChild(e);c.appendChild(d);var f=d.offsetTop-e.offsetTop+1;c.removeChild(e);c.appendChild(document.createTextNode("Hidden Text"));$(c).css("line-height","normal");$(d).css("vertical-align","super");d={baseline:f,lineWidth:1,middle:d.offsetTop-c.offsetTop+1};this.fontData.push(a+"-"+b);this.fontData.push(d);$(c).remove();return d};
|
||||||
html2canvas.prototype.textTransform=function(a,b){switch(b){case "lowercase":return a.toLowerCase();case "capitalize":return a.replace(/(^|\s|:|-|\(|\))([a-z])/g,function(a,b,e){return b+e.toUpperCase()});case "uppercase":return a.toUpperCase();default:return a}};html2canvas.prototype.trim=function(a){return a.replace(/^\s*/,"").replace(/\s*$/,"")};
|
html2canvas.prototype.textTransform=function(a,b){switch(b){case "lowercase":return a.toLowerCase();case "capitalize":return a.replace(/(^|\s|:|-|\(|\))([a-z])/g,function(a,b,e){return b+e.toUpperCase()});case "uppercase":return a.toUpperCase();default:return a}};html2canvas.prototype.trim=function(a){return a.replace(/^\s*/,"").replace(/\s*$/,"")};
|
||||||
html2canvas.prototype.parseElement=function(a,b){var d=this;this.each(a.children,function(a,e){d.parsing(e,b)});this.log("Render queue stored");this.opts.storageReady(this);this.finish()};
|
html2canvas.prototype.parseElement=function(a,b){var c=this;this.each(a.children,function(a,e){c.parsing(e,b)});this.log("Render queue stored");this.opts.storageReady(this);this.finish()};html2canvas.prototype.parsing=function(a,b){if(this.getCSS(a,"display")!="none"&&this.getCSS(a,"visibility")!="hidden"){var c=this,b=this.newElement(a,b)||b;this.ignoreRe.test(a.nodeName)||this.each(this.contentsInZ(a),function(d,e){e.nodeType==1?c.parsing(e,b):e.nodeType==3&&c.newText(a,e,b)})}};
|
||||||
html2canvas.prototype.parsing=function(a,b){if(this.getCSS(a,"display")!="none"&&this.getCSS(a,"visibility")!="hidden"){var d=this,b=this.newElement(a,b)||b,c=b.ctx;if(!this.ignoreRe.test(a.nodeName)){var e=this.contentsInZ(a);e.length==1?e[0].nodeType==1?this.parsing(e[0],b):e[0].nodeType==3&&this.newText(a,e[0],b.ctx):this.each(e,function(e,g){g.nodeType==1?d.parsing(g,b):g.nodeType==3&&d.newText(a,g,c)})}}};html2canvas.prototype.log=function(a){this.opts.logging&&this.opts.logger(a)};
|
html2canvas.prototype.log=function(a){this.opts.logging&&this.opts.logger(a)};html2canvas.prototype.withinBounds=function(a,b){return!a?!0:(a.left<=b.left||b.left+b.width<a.left)&&(a.top<=b.top||b.top+b.height<a.top)};html2canvas.prototype.clipBounds=function(a,b){var c=Math.max(a.left,b.left),d=Math.max(a.top,b.top);return{left:c,top:d,width:Math.min(a.left+a.width,b.left+b.width)-c,height:Math.min(a.top+a.height,b.top+b.height)-d}};
|
||||||
html2canvas.prototype.getBounds=function(a){window.scroll(0,0);if(a.getBoundingClientRect)return a=a.getBoundingClientRect(),a.top=a.top,a.left=a.left,a;else{var b=$(a).offset();return{left:b.left+parseInt(this.getCSS(a,"border-left-width"),10),top:b.top+parseInt(this.getCSS(a,"border-top-width"),10),width:$(a).innerWidth(),height:$(a).innerHeight()}}};html2canvas.prototype.each=function(a,b){for(var b=b||function(){},d=0;d<a.length;d++)if(b(d,a[d])===!1)break};html2canvas.prototype.contentsInZ=function(a){return $(a).contents()};
|
html2canvas.prototype.getBounds=function(a){window.scroll(0,0);if(a.getBoundingClientRect){var a=a.getBoundingClientRect(),b={};b.top=a.top;b.left=a.left;b.width=a.width;b.height=a.height;return b}else return b=$(a).offset(),{left:b.left+parseInt(this.getCSS(a,"border-left-width"),10),top:b.top+parseInt(this.getCSS(a,"border-top-width"),10),width:$(a).innerWidth(),height:$(a).innerHeight()}};html2canvas.prototype.each=function(a,b){for(var b=b||function(){},c=0;c<a.length;c++)if(b(c,a[c])===!1)break};
|
||||||
html2canvas.prototype.getAttr=function(a,b){return a.getAttribute(b)};html2canvas.prototype.extendObj=function(a,b){for(var d in a)b[d]=a[d];return b};html2canvas.prototype.leadingZero=function(a,b){var d="000000000"+a;return d.substr(d.length-b)};
|
html2canvas.prototype.contentsInZ=function(a){return $(a).contents()};html2canvas.prototype.getAttr=function(a,b){return a.getAttribute(b)};html2canvas.prototype.extendObj=function(a,b){for(var c in a)b[c]=a[c];return b};html2canvas.prototype.leadingZero=function(a,b){var c="000000000"+a;return c.substr(c.length-b)};
|
||||||
html2canvas.prototype.formatZ=function(a,b,d,c){d||(d="0");if(b!="static"&&d.charAt(0)=="0")this.needReorder=!0,d="1"+d.slice(1);if(a=="auto")if(a=this.getCSS(c,"position"),a!="static"&&typeof a!="undefined")a=0;else return d;b=this.leadingZero(this.numDraws,9);a=this.leadingZero(a+1,9);return d+""+a+""+b};html2canvas.prototype.getContents=function(a){return a.nodeName=="iframe"?a.contentDocument||a.contentWindow.document:a.childNodes};html2canvas.prototype.getCSS=function(a,b){return $(a).css(b)};
|
html2canvas.prototype.formatZ=function(a,b,c,d){c||(c="0");if(b!="static"&&c.charAt(0)=="0")this.needReorder=!0,c="1"+c.slice(1);if(a=="auto")if(a=this.getCSS(d,"position"),a!="static"&&typeof a!="undefined")a=0;else return c;b=this.leadingZero(this.numDraws,9);a=this.leadingZero(a+1,9);return c+""+a+""+b};html2canvas.prototype.getContents=function(a){return a.nodeName=="iframe"?a.contentDocument||a.contentWindow.document:a.childNodes};html2canvas.prototype.getCSS=function(a,b){return $(a).css(b)};
|
||||||
html2canvas.prototype.getIndex=function(a,b){if(a.indexOf)return a.indexOf(b);else{for(var d=0;d<a.length;d++)if(this[d]==b)return d;return-1}};html2canvas.prototype.isSameOrigin=function(a){var b=document.createElement("a");b.href=a;return b.protocol+b.hostname==this.pageOrigin};
|
html2canvas.prototype.getIndex=function(a,b){if(a.indexOf)return a.indexOf(b);else{for(var c=0;c<a.length;c++)if(this[c]==b)return c;return-1}};html2canvas.prototype.isSameOrigin=function(a){var b=document.createElement("a");b.href=a;return b.protocol+b.host==this.pageOrigin};
|
||||||
|
|||||||
@ -17,7 +17,13 @@ html2canvas.prototype.getBorderData = function(el){
|
|||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
html2canvas.prototype.drawBorders = function(el,ctx, x, y, w, h){
|
html2canvas.prototype.drawBorders = function(el,ctx, bounds,clip){
|
||||||
|
|
||||||
|
|
||||||
|
var x = bounds.left;
|
||||||
|
var y = bounds.top;
|
||||||
|
var w = bounds.width;
|
||||||
|
var h = bounds.height;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* TODO add support for different border-style's than solid
|
* TODO add support for different border-style's than solid
|
||||||
@ -52,7 +58,21 @@ html2canvas.prototype.drawBorders = function(el,ctx, x, y, w, h){
|
|||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
_.newRect(ctx,bx,by,bw,bh,borderData.color);
|
var borderBounds = {
|
||||||
|
left:bx,
|
||||||
|
top:by,
|
||||||
|
width: bw,
|
||||||
|
height:bh
|
||||||
|
};
|
||||||
|
|
||||||
|
if (clip){
|
||||||
|
borderBounds = _.clipBounds(borderBounds,clip);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
if (borderBounds.width>0 && borderBounds.height>0){
|
||||||
|
_.newRect(ctx,bx,by,borderBounds.width,borderBounds.height,borderData.color);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|||||||
@ -32,6 +32,7 @@ function html2canvas(el, userOptions) {
|
|||||||
},
|
},
|
||||||
canvasWidth:0,
|
canvasWidth:0,
|
||||||
canvasHeight:0,
|
canvasHeight:0,
|
||||||
|
useOverflow: true,
|
||||||
renderOrder: "canvas flash html"
|
renderOrder: "canvas flash html"
|
||||||
});
|
});
|
||||||
|
|
||||||
@ -51,7 +52,7 @@ function html2canvas(el, userOptions) {
|
|||||||
this.ignoreElements = "IFRAME|OBJECT|PARAM";
|
this.ignoreElements = "IFRAME|OBJECT|PARAM";
|
||||||
this.needReorder = false;
|
this.needReorder = false;
|
||||||
this.blockElements = new RegExp("(BR|PARAM)");
|
this.blockElements = new RegExp("(BR|PARAM)");
|
||||||
this.pageOrigin = window.location.protocol + window.location.hostname;
|
this.pageOrigin = window.location.protocol + window.location.host;
|
||||||
|
|
||||||
this.ignoreRe = new RegExp("("+this.ignoreElements+")");
|
this.ignoreRe = new RegExp("("+this.ignoreElements+")");
|
||||||
|
|
||||||
@ -145,8 +146,8 @@ html2canvas.prototype.start = function(){
|
|||||||
if (this.images.length == 0 || this.imagesLoaded==this.images.length/2){
|
if (this.images.length == 0 || this.imagesLoaded==this.images.length/2){
|
||||||
|
|
||||||
this.log('Finished loading '+this.imagesLoaded+' images, Started parsing');
|
this.log('Finished loading '+this.imagesLoaded+' images, Started parsing');
|
||||||
this.bodyOverflow = document.getElementsByTagName('body')[0].style.overflow;
|
this.bodyOverflow = document.getElementsByTagName('body')[0].style.overflow;
|
||||||
document.getElementsByTagName('body')[0].style.overflow = "hidden";
|
document.getElementsByTagName('body')[0].style.overflow = "hidden";
|
||||||
var rootStack = new this.storageContext($(document).width(),$(document).height());
|
var rootStack = new this.storageContext($(document).width(),$(document).height());
|
||||||
rootStack.opacity = this.getCSS(this.element,"opacity");
|
rootStack.opacity = this.getCSS(this.element,"opacity");
|
||||||
var stack = this.newElement(this.element,rootStack);
|
var stack = this.newElement(this.element,rootStack);
|
||||||
@ -209,6 +210,8 @@ html2canvas.prototype.storageContext = function(width,height){
|
|||||||
|
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
this.drawImage = function(image,sx,sy,sw,sh,dx,dy,dw,dh){
|
this.drawImage = function(image,sx,sy,sw,sh,dx,dy,dw,dh){
|
||||||
this.storage.push(
|
this.storage.push(
|
||||||
{
|
{
|
||||||
|
|||||||
75
src/Draw.js
75
src/Draw.js
@ -1,7 +1,3 @@
|
|||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
html2canvas.prototype.newElement = function(el,parentStack){
|
html2canvas.prototype.newElement = function(el,parentStack){
|
||||||
|
|
||||||
var bounds = this.getBounds(el);
|
var bounds = this.getBounds(el);
|
||||||
@ -14,10 +10,10 @@ html2canvas.prototype.newElement = function(el,parentStack){
|
|||||||
image;
|
image;
|
||||||
var bgcolor = this.getCSS(el,"background-color");
|
var bgcolor = this.getCSS(el,"background-color");
|
||||||
|
|
||||||
|
var cssPosition = this.getCSS(el,"position");
|
||||||
parentStack = parentStack || {};
|
parentStack = parentStack || {};
|
||||||
|
|
||||||
var zindex = this.formatZ(this.getCSS(el,"zIndex"),this.getCSS(el,"position"),parentStack.zIndex,el.parentNode);
|
var zindex = this.formatZ(this.getCSS(el,"zIndex"),cssPosition,parentStack.zIndex,el.parentNode);
|
||||||
|
|
||||||
//console.log(el.nodeName+":"+zindex+":"+this.getCSS(el,"position")+":"+this.numDraws+":"+this.getCSS(el,"z-index"))
|
//console.log(el.nodeName+":"+zindex+":"+this.getCSS(el,"position")+":"+this.numDraws+":"+this.getCSS(el,"z-index"))
|
||||||
|
|
||||||
@ -27,9 +23,29 @@ html2canvas.prototype.newElement = function(el,parentStack){
|
|||||||
var stack = {
|
var stack = {
|
||||||
ctx: new this.storageContext(),
|
ctx: new this.storageContext(),
|
||||||
zIndex: zindex,
|
zIndex: zindex,
|
||||||
opacity: opacity*parentStack.opacity
|
opacity: opacity*parentStack.opacity,
|
||||||
|
cssPosition: cssPosition
|
||||||
};
|
};
|
||||||
|
|
||||||
|
// TODO correct overflow for absolute content residing under a static position
|
||||||
|
if (parentStack.clip){
|
||||||
|
stack.clip = $.extend({}, parentStack.clip);
|
||||||
|
//stack.clip = parentStack.clip;
|
||||||
|
stack.clip.height = stack.clip.height - parentStack.borders[2].width;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
if (this.opts.useOverflow && /(hidden|scroll|auto)/.test(this.getCSS(el,"overflow")) && !/(BODY)/i.test(el.nodeName)){
|
||||||
|
if (stack.clip){
|
||||||
|
stack.clip = this.clipBounds(stack.clip,bounds);
|
||||||
|
}else{
|
||||||
|
stack.clip = bounds;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
var stackLength = this.contextStacks.push(stack);
|
var stackLength = this.contextStacks.push(stack);
|
||||||
|
|
||||||
var ctx = this.contextStacks[stackLength-1].ctx;
|
var ctx = this.contextStacks[stackLength-1].ctx;
|
||||||
@ -37,9 +53,17 @@ html2canvas.prototype.newElement = function(el,parentStack){
|
|||||||
this.setContextVariable(ctx,"globalAlpha",stack.opacity);
|
this.setContextVariable(ctx,"globalAlpha",stack.opacity);
|
||||||
|
|
||||||
// draw element borders
|
// draw element borders
|
||||||
var borders = this.drawBorders(el, ctx, bounds.left, bounds.top, bounds.width, bounds.height);
|
var borders = this.drawBorders(el, ctx, bounds);
|
||||||
|
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 (this.ignoreRe.test(el.nodeName) && this.opts.iframeDefault != "transparent"){
|
if (this.ignoreRe.test(el.nodeName) && this.opts.iframeDefault != "transparent"){
|
||||||
if (this.opts.iframeDefault=="default"){
|
if (this.opts.iframeDefault=="default"){
|
||||||
bgcolor = "#efefef";
|
bgcolor = "#efefef";
|
||||||
@ -52,27 +76,40 @@ html2canvas.prototype.newElement = function(el,parentStack){
|
|||||||
}
|
}
|
||||||
|
|
||||||
// draw base element bgcolor
|
// draw base element bgcolor
|
||||||
this.newRect(
|
|
||||||
ctx,
|
|
||||||
x+borders[3].width,
|
|
||||||
y+borders[0].width,
|
|
||||||
w-(borders[1].width+borders[3].width),
|
|
||||||
h-(borders[0].width+borders[2].width),
|
|
||||||
bgcolor
|
|
||||||
);
|
|
||||||
|
|
||||||
this.drawBackground(el,{
|
var bgbounds = {
|
||||||
left: x+borders[3].width,
|
left: x+borders[3].width,
|
||||||
top: y+borders[0].width,
|
top: y+borders[0].width,
|
||||||
width: w-(borders[1].width+borders[3].width),
|
width: w-(borders[1].width+borders[3].width),
|
||||||
height: h-(borders[0].width+borders[2].width)
|
height: h-(borders[0].width+borders[2].width)
|
||||||
|
};
|
||||||
|
|
||||||
|
//if (this.withinBounds(stack.clip,bgbounds)){
|
||||||
|
|
||||||
|
if (stack.clip){
|
||||||
|
bgbounds = this.clipBounds(bgbounds,stack.clip);
|
||||||
|
|
||||||
|
//}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
if (bgbounds.height>0 && bgbounds.width>0){
|
||||||
|
this.newRect(
|
||||||
|
ctx,
|
||||||
|
bgbounds.left,
|
||||||
|
bgbounds.top,
|
||||||
|
bgbounds.width,
|
||||||
|
bgbounds.height,
|
||||||
|
bgcolor
|
||||||
|
);
|
||||||
|
|
||||||
|
this.drawBackground(el,bgbounds,ctx);
|
||||||
}
|
}
|
||||||
,ctx);
|
|
||||||
|
|
||||||
if (el.nodeName=="IMG"){
|
if (el.nodeName=="IMG"){
|
||||||
image = _.loadImage(_.getAttr(el,'src'));
|
image = _.loadImage(_.getAttr(el,'src'));
|
||||||
if (image){
|
if (image){
|
||||||
// console.log(image.width);
|
// console.log(image.width);
|
||||||
this.drawImage(
|
this.drawImage(
|
||||||
ctx,
|
ctx,
|
||||||
image,
|
image,
|
||||||
|
|||||||
233
src/Renderer.js
233
src/Renderer.js
@ -51,7 +51,7 @@ html2canvas.prototype.Renderer = function(queue){
|
|||||||
|
|
||||||
});
|
});
|
||||||
|
|
||||||
// this.log('No renderer chosen, rendering quit');
|
// this.log('No renderer chosen, rendering quit');
|
||||||
return this;
|
return this;
|
||||||
|
|
||||||
// this.canvasRenderer(queue);
|
// this.canvasRenderer(queue);
|
||||||
@ -84,6 +84,186 @@ html2canvas.prototype.throttler = function(queue){
|
|||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
|
html2canvas.prototype.canvasRenderContext = function(storageContext,ctx){
|
||||||
|
|
||||||
|
// set common settings for canvas
|
||||||
|
ctx.textBaseline = "bottom";
|
||||||
|
var _ = this;
|
||||||
|
|
||||||
|
|
||||||
|
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){
|
||||||
|
_.each(storageContext.ctx.storage,function(a,renderItem){
|
||||||
|
|
||||||
|
|
||||||
|
switch(renderItem.type){
|
||||||
|
case "variable":
|
||||||
|
ctx[renderItem.name] = renderItem.arguments;
|
||||||
|
break;
|
||||||
|
case "function":
|
||||||
|
if (renderItem.name=="fillRect"){
|
||||||
|
ctx.fillRect(
|
||||||
|
renderItem.arguments[0]-(storageContext.canvasPosition.x || 0),
|
||||||
|
renderItem.arguments[1]-(storageContext.canvasPosition.y || 0),
|
||||||
|
renderItem.arguments[2],
|
||||||
|
renderItem.arguments[3]
|
||||||
|
);
|
||||||
|
}else if(renderItem.name=="fillText"){
|
||||||
|
// console.log(renderItem.arguments[0]);
|
||||||
|
|
||||||
|
ctx.fillText(renderItem.arguments[0],renderItem.arguments[1]-(storageContext.canvasPosition.x || 0),renderItem.arguments[2]-(storageContext.canvasPosition.y || 0));
|
||||||
|
/*
|
||||||
|
if (renderItem.arguments[0]=="Highlights"){
|
||||||
|
console.log(renderItem);
|
||||||
|
console.log(storageContext);
|
||||||
|
$('body').append(ctx.canvas);
|
||||||
|
}*/
|
||||||
|
}else if(renderItem.name=="drawImage"){
|
||||||
|
// console.log(renderItem);
|
||||||
|
// console.log(renderItem.arguments[0].width);
|
||||||
|
if (renderItem.arguments[8] > 0 && renderItem.arguments[7]){
|
||||||
|
ctx.drawImage(
|
||||||
|
renderItem.arguments[0],
|
||||||
|
renderItem.arguments[1],
|
||||||
|
renderItem.arguments[2],
|
||||||
|
renderItem.arguments[3],
|
||||||
|
renderItem.arguments[4],
|
||||||
|
renderItem.arguments[5]-(storageContext.canvasPosition.x || 0),
|
||||||
|
renderItem.arguments[6]-(storageContext.canvasPosition.y || 0),
|
||||||
|
renderItem.arguments[7],
|
||||||
|
renderItem.arguments[8]
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}else{
|
||||||
|
_.log(renderItem);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
});
|
||||||
|
|
||||||
|
}
|
||||||
|
if (storageContext.clip){
|
||||||
|
ctx.restore();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
html2canvas.prototype.canvasRenderContextChildren = function(storageContext,parentctx){
|
||||||
|
var ctx = storageContext.canvas.getContext('2d');
|
||||||
|
|
||||||
|
storageContext.canvasPosition = storageContext.canvasPosition || {};
|
||||||
|
this.canvasRenderContext(storageContext,ctx);
|
||||||
|
|
||||||
|
|
||||||
|
for (var s = 0; s<this.queue.length;){
|
||||||
|
if (storageContext.parentStack && this.queue[s].canvas === storageContext.parentStack.canvas){
|
||||||
|
var substorageContext = this.queue.splice(s,1)[0];
|
||||||
|
|
||||||
|
if (substorageContext.ctx.storage[5] && substorageContext.ctx.storage[5].arguments[0]=="Highlights"){
|
||||||
|
console.log('ssssssadasda');
|
||||||
|
}
|
||||||
|
|
||||||
|
this.canvasRenderContextChildren(substorageContext,ctx);
|
||||||
|
// this.canvasRenderContext(substorageContext,ctx);
|
||||||
|
// this.canvasRenderStorage(this.queue,ctx);
|
||||||
|
|
||||||
|
|
||||||
|
}else{
|
||||||
|
s++;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
if (storageContext.ctx.storage[5] && storageContext.ctx.storage[5].arguments[0]=="Highlights"){
|
||||||
|
$('body').append(parentctx.canvas);
|
||||||
|
}
|
||||||
|
//var parentctx = this.canvas.getContext("2d");
|
||||||
|
|
||||||
|
if (storageContext.canvas.width>0 && storageContext.canvas.height > 0){
|
||||||
|
parentctx.drawImage(storageContext.canvas,(storageContext.canvasPosition.x || 0),(storageContext.canvasPosition.y || 0));
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
*/
|
||||||
|
html2canvas.prototype.canvasRenderStorage = function(queue,parentctx){
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
for (var i = 0; i<queue.length;){
|
||||||
|
var storageContext = queue.splice(0,1)[0];
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// storageContext.removeOverflow = storageContext.removeOverflow || {};
|
||||||
|
/*
|
||||||
|
if (storageContext.canvas){
|
||||||
|
this.canvasRenderContextChildren(storageContext,parentctx);
|
||||||
|
|
||||||
|
var ctx = storageContext.canvas.getContext('2d');
|
||||||
|
|
||||||
|
storageContext.canvasPosition = storageContext.canvasPosition || {};
|
||||||
|
this.canvasRenderContext(storageContext,ctx);
|
||||||
|
|
||||||
|
for (var s = 0; s<this.queue.length;){
|
||||||
|
if (this.queue[s].canvas === storageContext.canvas){
|
||||||
|
var substorageContext = this.queue.splice(s,1)[0];
|
||||||
|
substorageContext.canvasPosition = storageContext.canvasPosition || {};
|
||||||
|
|
||||||
|
this.canvasRenderContext(substorageContext,ctx);
|
||||||
|
// this.canvasRenderStorage(this.queue,ctx);
|
||||||
|
|
||||||
|
}else{
|
||||||
|
s++;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
//var parentctx = this.canvas.getContext("2d");
|
||||||
|
|
||||||
|
if (storageContext.canvas.width>0 && storageContext.canvas.height > 0){
|
||||||
|
parentctx.drawImage(storageContext.canvas,(storageContext.canvasPosition.x || 0),(storageContext.canvasPosition.y || 0));
|
||||||
|
}
|
||||||
|
ctx = parentctx;
|
||||||
|
|
||||||
|
}else{
|
||||||
|
*/
|
||||||
|
storageContext.canvasPosition = storageContext.canvasPosition || {};
|
||||||
|
this.canvasRenderContext(storageContext,parentctx);
|
||||||
|
// }
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
if (storageContext.newCanvas){
|
||||||
|
var ctx = _.canvas.getContext("2d");
|
||||||
|
ctx.drawImage(canvas,(storageContext.removeOverflow.left || 0),(storageContext.removeOverflow.top || 0));
|
||||||
|
_.ctx = ctx;
|
||||||
|
}*/
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
html2canvas.prototype.canvasRenderer = function(queue){
|
html2canvas.prototype.canvasRenderer = function(queue){
|
||||||
var _ = this;
|
var _ = this;
|
||||||
@ -99,59 +279,10 @@ html2canvas.prototype.canvasRenderer = function(queue){
|
|||||||
|
|
||||||
this.ctx = this.canvas.getContext("2d");
|
this.ctx = this.canvas.getContext("2d");
|
||||||
|
|
||||||
// set common settings for canvas
|
this.canvasRenderStorage(queue,this.ctx);
|
||||||
this.ctx.textBaseline = "bottom";
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
this.each(queue,function(i,storageContext){
|
|
||||||
|
|
||||||
if (storageContext.ctx.storage){
|
|
||||||
_.each(storageContext.ctx.storage,function(a,renderItem){
|
|
||||||
|
|
||||||
switch(renderItem.type){
|
|
||||||
case "variable":
|
|
||||||
_.ctx[renderItem.name] = renderItem.arguments;
|
|
||||||
break;
|
|
||||||
case "function":
|
|
||||||
if (renderItem.name=="fillRect"){
|
|
||||||
_.ctx.fillRect(renderItem.arguments[0],renderItem.arguments[1],renderItem.arguments[2],renderItem.arguments[3]);
|
|
||||||
}else if(renderItem.name=="fillText"){
|
|
||||||
_.ctx.fillText(renderItem.arguments[0],renderItem.arguments[1],renderItem.arguments[2]);
|
|
||||||
}else if(renderItem.name=="drawImage"){
|
|
||||||
// console.log(renderItem);
|
|
||||||
// console.log(renderItem.arguments[0].width);
|
|
||||||
if (renderItem.arguments[8] > 0 && renderItem.arguments[7]){
|
|
||||||
_.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]
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}else{
|
|
||||||
this.log(renderItem);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
});
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
});
|
|
||||||
|
|
||||||
|
|
||||||
};
|
};
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
|||||||
119
src/Text.js
119
src/Text.js
@ -1,6 +1,6 @@
|
|||||||
|
|
||||||
html2canvas.prototype.newText = function(el,textNode,ctx){
|
html2canvas.prototype.newText = function(el,textNode,stack){
|
||||||
|
var ctx = stack.ctx;
|
||||||
var family = this.getCSS(el,"font-family");
|
var family = this.getCSS(el,"font-family");
|
||||||
var size = this.getCSS(el,"font-size");
|
var size = this.getCSS(el,"font-size");
|
||||||
var color = this.getCSS(el,"color");
|
var color = this.getCSS(el,"color");
|
||||||
@ -25,7 +25,7 @@ html2canvas.prototype.newText = function(el,textNode,ctx){
|
|||||||
case 401:
|
case 401:
|
||||||
bold = "bold";
|
bold = "bold";
|
||||||
break;
|
break;
|
||||||
case 400:
|
case 400:
|
||||||
bold = "normal";
|
bold = "normal";
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
@ -45,20 +45,29 @@ html2canvas.prototype.newText = function(el,textNode,ctx){
|
|||||||
|
|
||||||
|
|
||||||
if (this.opts.letterRendering == false && /^(left|right|justify|auto)$/.test(text_align) && /^(normal|none)$/.test(letter_spacing)){
|
if (this.opts.letterRendering == false && /^(left|right|justify|auto)$/.test(text_align) && /^(normal|none)$/.test(letter_spacing)){
|
||||||
// this.setContextVariable(ctx,"textAlign",text_align);
|
// this.setContextVariable(ctx,"textAlign",text_align);
|
||||||
renderWords = true;
|
renderWords = true;
|
||||||
renderList = textNode.nodeValue.split(/(\b| )/);
|
renderList = textNode.nodeValue.split(/(\b| )/);
|
||||||
|
|
||||||
}else{
|
}else{
|
||||||
// this.setContextVariable(ctx,"textAlign","left");
|
// this.setContextVariable(ctx,"textAlign","left");
|
||||||
renderList = textNode.nodeValue.split("");
|
renderList = textNode.nodeValue.split("");
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
this.setContextVariable(ctx,"fillStyle",color);
|
this.setContextVariable(ctx,"fillStyle",color);
|
||||||
this.setContextVariable(ctx,"font",font);
|
this.setContextVariable(ctx,"font",font);
|
||||||
|
|
||||||
|
/*
|
||||||
|
if (stack.clip){
|
||||||
|
ctx.rect (stack.clip.left, stack.clip.top, stack.clip.width, stack.clip.height);
|
||||||
|
ctx.clip();
|
||||||
|
}
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
@ -68,56 +77,62 @@ html2canvas.prototype.newText = function(el,textNode,ctx){
|
|||||||
// TODO only do the splitting for non-range prints
|
// TODO only do the splitting for non-range prints
|
||||||
var newTextNode = oldTextNode.splitText(renderList[c].length);
|
var newTextNode = oldTextNode.splitText(renderList[c].length);
|
||||||
|
|
||||||
|
if (text_decoration!="none" || this.trim(oldTextNode.nodeValue).length != 0){
|
||||||
|
|
||||||
if (this.support.rangeBounds){
|
|
||||||
// getBoundingClientRect is supported for ranges
|
|
||||||
if (document.createRange){
|
|
||||||
var range = document.createRange();
|
if (this.support.rangeBounds){
|
||||||
range.selectNode(oldTextNode);
|
// getBoundingClientRect is supported for ranges
|
||||||
|
if (document.createRange){
|
||||||
|
var range = document.createRange();
|
||||||
|
range.selectNode(oldTextNode);
|
||||||
|
}else{
|
||||||
|
// TODO add IE support
|
||||||
|
var range = document.body.createTextRange();
|
||||||
|
}
|
||||||
|
if (range.getBoundingClientRect()){
|
||||||
|
var bounds = range.getBoundingClientRect();
|
||||||
|
}else{
|
||||||
|
var bounds = {};
|
||||||
|
}
|
||||||
}else{
|
}else{
|
||||||
// TODO add IE support
|
// it isn't supported, so let's wrap it inside an element instead and the bounds there
|
||||||
var range = document.body.createTextRange();
|
|
||||||
|
var parent = oldTextNode.parentNode;
|
||||||
|
var wrapElement = document.createElement('wrapper');
|
||||||
|
var backupText = oldTextNode.cloneNode(true);
|
||||||
|
wrapElement.appendChild(oldTextNode.cloneNode(true));
|
||||||
|
parent.replaceChild(wrapElement,oldTextNode);
|
||||||
|
|
||||||
|
var bounds = this.getBounds(wrapElement);
|
||||||
|
|
||||||
|
|
||||||
|
parent.replaceChild(backupText,wrapElement);
|
||||||
}
|
}
|
||||||
if (range.getBoundingClientRect()){
|
|
||||||
var bounds = range.getBoundingClientRect();
|
|
||||||
}else{
|
|
||||||
var bounds = {};
|
|
||||||
|
// console.log(range);
|
||||||
|
// console.log("'"+oldTextNode.nodeValue+"'"+bounds.left)
|
||||||
|
this.printText(oldTextNode.nodeValue,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
|
||||||
|
this.newRect(ctx,bounds.left,Math.round(bounds.top+metrics.baseline+metrics.lineWidth),bounds.width,1,color);
|
||||||
|
break;
|
||||||
|
case "overline":
|
||||||
|
this.newRect(ctx,bounds.left,bounds.top,bounds.width,1,color);
|
||||||
|
break;
|
||||||
|
case "line-through":
|
||||||
|
// TODO try and find exact position for line-through
|
||||||
|
this.newRect(ctx,bounds.left,Math.ceil(bounds.top+metrics.middle+metrics.lineWidth),bounds.width,1,color);
|
||||||
|
break;
|
||||||
|
|
||||||
}
|
}
|
||||||
}else{
|
|
||||||
// it isn't supported, so let's wrap it inside an element instead and the bounds there
|
|
||||||
|
|
||||||
var parent = oldTextNode.parentNode;
|
|
||||||
var wrapElement = document.createElement('wrapper');
|
|
||||||
var backupText = oldTextNode.cloneNode(true);
|
|
||||||
wrapElement.appendChild(oldTextNode.cloneNode(true));
|
|
||||||
parent.replaceChild(wrapElement,oldTextNode);
|
|
||||||
|
|
||||||
var bounds = this.getBounds(wrapElement);
|
|
||||||
|
|
||||||
|
|
||||||
parent.replaceChild(backupText,wrapElement);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
this.printText(oldTextNode.nodeValue,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
|
|
||||||
this.newRect(ctx,bounds.left,Math.round(bounds.top+metrics.baseline+metrics.lineWidth),bounds.width,1,color);
|
|
||||||
break;
|
|
||||||
case "overline":
|
|
||||||
this.newRect(ctx,bounds.left,bounds.top,bounds.width,1,color);
|
|
||||||
break;
|
|
||||||
case "line-through":
|
|
||||||
// TODO try and find exact position for line-through
|
|
||||||
this.newRect(ctx,bounds.left,Math.ceil(bounds.top+metrics.middle+metrics.lineWidth),bounds.width,1,color);
|
|
||||||
break;
|
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -159,6 +174,8 @@ html2canvas.prototype.fontMetrics = function(font,fontSize){
|
|||||||
|
|
||||||
|
|
||||||
var img = document.createElement('img');
|
var img = document.createElement('img');
|
||||||
|
|
||||||
|
// TODO add another image
|
||||||
img.src = "http://html2canvas.hertzen.com/images/8.jpg";
|
img.src = "http://html2canvas.hertzen.com/images/8.jpg";
|
||||||
img.width = 1;
|
img.width = 1;
|
||||||
img.height = 1;
|
img.height = 1;
|
||||||
|
|||||||
@ -19,49 +19,27 @@ html2canvas.prototype.parsing = function(el,stack){
|
|||||||
|
|
||||||
var _ = this;
|
var _ = this;
|
||||||
|
|
||||||
//if (!this.blockElements.test(el.nodeName)){
|
|
||||||
|
|
||||||
stack = this.newElement(el,stack) || stack;
|
stack = this.newElement(el,stack) || stack;
|
||||||
|
|
||||||
|
|
||||||
var ctx = stack.ctx;
|
var ctx = stack.ctx;
|
||||||
|
|
||||||
|
|
||||||
if (!this.ignoreRe.test(el.nodeName)){
|
if (!this.ignoreRe.test(el.nodeName)){
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
// TODO remove jQuery dependancy
|
// TODO remove jQuery dependancy
|
||||||
|
this.each(this.contentsInZ(el),function(cid,node){
|
||||||
|
|
||||||
var contents = this.contentsInZ(el);
|
if (node.nodeType==1){
|
||||||
|
// element
|
||||||
|
_.parsing(node,stack);
|
||||||
if (contents.length == 1){
|
}else if (node.nodeType==3){
|
||||||
|
_.newText(el,node,stack);
|
||||||
// check nodeType
|
|
||||||
if (contents[0].nodeType==1){
|
|
||||||
// it's an element, so let's look inside it
|
|
||||||
this.parsing(contents[0],stack);
|
|
||||||
}else if (contents[0].nodeType==3){
|
|
||||||
// it's a text node, so lets print the text
|
|
||||||
|
|
||||||
this.newText(el,contents[0],stack.ctx);
|
|
||||||
}
|
}
|
||||||
}else{
|
|
||||||
|
|
||||||
this.each(contents,function(cid,cel){
|
});
|
||||||
|
|
||||||
if (cel.nodeType==1){
|
|
||||||
// element
|
|
||||||
_.parsing(cel,stack);
|
|
||||||
}else if (cel.nodeType==3){
|
|
||||||
_.newText(el,cel,ctx);
|
|
||||||
}
|
|
||||||
|
|
||||||
});
|
|
||||||
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
}
|
}
|
||||||
// }
|
// }
|
||||||
}
|
}
|
||||||
|
|||||||
45
src/Util.js
45
src/Util.js
@ -8,6 +8,35 @@ html2canvas.prototype.log = function(a){
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
html2canvas.prototype.withinBounds = function(src,dst){
|
||||||
|
if (!src) return true;
|
||||||
|
// return true;
|
||||||
|
return (
|
||||||
|
(src.left <= dst.left || dst.left+dst.width < src.left) &&
|
||||||
|
(src.top <= dst.top || dst.top+dst.height < src.top)
|
||||||
|
);
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
html2canvas.prototype.clipBounds = function(src,dst){
|
||||||
|
|
||||||
|
var x = Math.max(src.left,dst.left);
|
||||||
|
var y = Math.max(src.top,dst.top);
|
||||||
|
|
||||||
|
var x2 = Math.min((src.left+src.width),(dst.left+dst.width));
|
||||||
|
var y2 = Math.min((src.top+src.height),(dst.top+dst.height));
|
||||||
|
|
||||||
|
return {
|
||||||
|
left:x,
|
||||||
|
top:y,
|
||||||
|
width:x2-x,
|
||||||
|
height:y2-y
|
||||||
|
};
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Function to provide bounds for element
|
* Function to provide bounds for element
|
||||||
@ -18,9 +47,17 @@ html2canvas.prototype.getBounds = function(el){
|
|||||||
window.scroll(0,0);
|
window.scroll(0,0);
|
||||||
|
|
||||||
if (el.getBoundingClientRect){
|
if (el.getBoundingClientRect){
|
||||||
var bounds = el.getBoundingClientRect();
|
var clientRect = el.getBoundingClientRect();
|
||||||
bounds.top = bounds.top;
|
var bounds = {};
|
||||||
bounds.left = bounds.left;
|
// need to create new object, as clientrect bounds can't be modified, thanks pufuwozu
|
||||||
|
// TODO add scroll position to bounds, so no scrolling of window necessary
|
||||||
|
bounds.top = clientRect.top;
|
||||||
|
bounds.left = clientRect.left;
|
||||||
|
bounds.width = clientRect.width;
|
||||||
|
bounds.height = clientRect.height;
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
return bounds;
|
return bounds;
|
||||||
}else{
|
}else{
|
||||||
|
|
||||||
@ -162,5 +199,5 @@ html2canvas.prototype.isSameOrigin = function(url){
|
|||||||
var link = document.createElement("a");
|
var link = document.createElement("a");
|
||||||
link.href = url;
|
link.href = url;
|
||||||
|
|
||||||
return ((link.protocol + link.hostname) == this.pageOrigin);
|
return ((link.protocol + link.host) == this.pageOrigin);
|
||||||
}
|
}
|
||||||
|
|||||||
63
tests/overflow.html
Normal file
63
tests/overflow.html
Normal file
@ -0,0 +1,63 @@
|
|||||||
|
<!DOCTYPE html>
|
||||||
|
<html>
|
||||||
|
<head>
|
||||||
|
<title>Overflow 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>
|
||||||
|
<script type="text/javascript">
|
||||||
|
$(window).ready(function() {
|
||||||
|
$('body').html2canvas({letterRendering:true});
|
||||||
|
});
|
||||||
|
</script>
|
||||||
|
|
||||||
|
<style>
|
||||||
|
.small{
|
||||||
|
font-size:14px;
|
||||||
|
}
|
||||||
|
|
||||||
|
.medium{
|
||||||
|
font-size:18px;
|
||||||
|
}
|
||||||
|
.large{
|
||||||
|
font-size:24px;
|
||||||
|
}
|
||||||
|
div{
|
||||||
|
background: #ccc;
|
||||||
|
border:6px solid black;
|
||||||
|
width:300px;
|
||||||
|
height:200px;
|
||||||
|
margin: 0 0 60px 0;
|
||||||
|
}
|
||||||
|
h1 {
|
||||||
|
margin:0;
|
||||||
|
}
|
||||||
|
</style>
|
||||||
|
|
||||||
|
</head>
|
||||||
|
<body>
|
||||||
|
<h1>Overflow: visible</h1>
|
||||||
|
<div>
|
||||||
|
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like <b>Aldus PageMaker</b> including versions of Lorem Ipsum.
|
||||||
|
</div>
|
||||||
|
|
||||||
|
<h1>Overflow: hidden</h1>
|
||||||
|
<div style="overflow:hidden;">
|
||||||
|
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s
|
||||||
|
|
||||||
|
with the release of <div style="border-width:10px 0 5px 0;background:green;">a</div>Letraset sheets containing Lorem Ipsum passages, <img src="image.jpg" /> and more recently with desktop publishing software like <b>Aldus PageMaker</b> including versions of Lorem Ipsum.
|
||||||
|
|
||||||
|
|
||||||
|
<div style="overflow:visible;position:relative;"><u>position:relative within a overflow:hidden element</u><br /> <br />
|
||||||
|
|
||||||
|
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like <b>Aldus PageMaker</b> including versions of Lorem Ipsum.
|
||||||
|
|
||||||
|
</div>
|
||||||
|
</div>
|
||||||
|
|
||||||
|
|
||||||
|
</body>
|
||||||
|
</html>
|
||||||
Loading…
x
Reference in New Issue
Block a user