mirror of
https://github.com/niklasvh/html2canvas.git
synced 2023-08-10 21:13:10 +03:00
Added support for some list-style-type's with list-style-position: inside
This commit is contained in:
Niklas von Hertzen
parent
6fe937eb66
commit
1c44b94817
@ -23,7 +23,8 @@
|
||||
<fileset dir="${src.dir}" includes="Draw.js"/>
|
||||
<fileset dir="${src.dir}" includes="Forms.js"/>
|
||||
<fileset dir="${src.dir}" includes="Images.js"/>
|
||||
<fileset dir="${src.dir}" includes="Renderer.js"/>
|
||||
<fileset dir="${src.dir}" includes="Renderer.js"/>
|
||||
<fileset dir="${src.dir}" includes="Lists.js"/>
|
||||
<fileset dir="${src.dir}" includes="Text.js"/>
|
||||
<fileset dir="${src.dir}" includes="Traversing.js"/>
|
||||
<fileset dir="${src.dir}" includes="Util.js"/>
|
||||
|
||||
@ -845,6 +845,9 @@ html2canvas.prototype.newElement = function(el,parentStack){
|
||||
this.renderFormValue(el,bounds,stack);
|
||||
}
|
||||
break;
|
||||
case "LI":
|
||||
this.drawListItem(el,stack,bgbounds);
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
@ -1412,6 +1415,127 @@ html2canvas.prototype.setContextVariable = function(ctx,variable,value){
|
||||
});
|
||||
}
|
||||
|
||||
}
|
||||
html2canvas.prototype.drawListItem = function(element,stack,elBounds){
|
||||
|
||||
|
||||
var position = this.getCSS(element,"list-style-position",false);
|
||||
|
||||
|
||||
var item = this.getListItem(element),
|
||||
x,
|
||||
y;
|
||||
|
||||
var type = this.getCSS(element,"list-style-type",false);
|
||||
|
||||
if (/^(decimal|decimal-leading-zero|upper-alpha|upper-latin|upper-roman|lower-alpha|lower-greek|lower-latin|lower-roman)$/i.test(type)){
|
||||
// TODO remove jQuery dependency
|
||||
var currentIndex = $(element).index()+1,
|
||||
text;
|
||||
|
||||
if (type == "decimal"){
|
||||
text = currentIndex;
|
||||
}else if (type == "decimal-leading-zero"){
|
||||
if (currentIndex.toString().length == 1){
|
||||
text = currentIndex = "0" + currentIndex.toString();
|
||||
}else{
|
||||
text = currentIndex.toString();
|
||||
}
|
||||
|
||||
}else if (type == "upper-roman"){
|
||||
text = this.getListRoman(currentIndex);
|
||||
}else if (type == "lower-roman"){
|
||||
text = this.getListRoman(currentIndex).toLowerCase();
|
||||
}else if (type == "lower-alpha"){
|
||||
text = this.getListAlpha(currentIndex).toLowerCase();
|
||||
}else if (type == "upper-alpha"){
|
||||
text = this.getListAlpha(currentIndex);
|
||||
}
|
||||
|
||||
text += ". ";
|
||||
var listBounds = this.getListPosition(element,text);
|
||||
|
||||
if (position == "inside"){
|
||||
this.setFont(stack.ctx,element,false);
|
||||
x = elBounds.left;
|
||||
}else{
|
||||
return; /* TODO really need to figure out some more accurate way to try and find the position.
|
||||
as defined in http://www.w3.org/TR/CSS21/generate.html#propdef-list-style-position, it does not even have a specified "correct" position, so each browser
|
||||
may display it whatever way it feels like.
|
||||
"The position of the list-item marker adjacent to floats is undefined in CSS 2.1. CSS 2.1 does not specify the precise location of the marker box or its position in the painting order"
|
||||
*/
|
||||
this.setFont(stack.ctx,element,true);
|
||||
x = elBounds.left-10;
|
||||
}
|
||||
|
||||
y = listBounds.bottom;
|
||||
|
||||
|
||||
this.printText(text, x, y, stack.ctx);
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
html2canvas.prototype.getListPosition = function(element,val){
|
||||
var boundElement = document.createElement("boundelement");
|
||||
boundElement.style.display = "inline";
|
||||
//boundElement.style.width = "1px";
|
||||
//boundElement.style.height = "1px";
|
||||
|
||||
var type = element.style.listStyleType;
|
||||
element.style.listStyleType = "none";
|
||||
|
||||
boundElement.appendChild(document.createTextNode(val));
|
||||
|
||||
|
||||
element.insertBefore(boundElement,element.firstChild);
|
||||
|
||||
|
||||
var bounds = this.getBounds(boundElement);
|
||||
element.removeChild(boundElement);
|
||||
element.style.listStyleType = type;
|
||||
return bounds;
|
||||
|
||||
|
||||
}
|
||||
|
||||
html2canvas.prototype.getListItem = function(element){
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
html2canvas.prototype.getListAlpha = function(number){
|
||||
var tmp = "";
|
||||
do{
|
||||
var modulus = number % 26;
|
||||
tmp = String.fromCharCode((modulus) + 64) + tmp;
|
||||
number = number / 26;
|
||||
}while((number*26) > 26);
|
||||
|
||||
return tmp;
|
||||
}
|
||||
|
||||
html2canvas.prototype.getListRoman = function(number){
|
||||
var romanArray = ["M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I"],
|
||||
decimal = [1000,900,500,400,100,90,50,40,10,9,5,4,1],
|
||||
roman = "";
|
||||
|
||||
if (number <= 0 || number >= 4000) return;
|
||||
for (var v=0; v<romanArray.length; v++) {
|
||||
while (number >= decimal[v]) {
|
||||
number -= decimal[v];
|
||||
roman += romanArray[v];
|
||||
}
|
||||
}
|
||||
|
||||
return roman;
|
||||
|
||||
|
||||
}
|
||||
|
||||
html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
@ -1420,9 +1544,7 @@ html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
var size = this.getCSS(el,"font-size");
|
||||
var color = this.getCSS(el,"color");
|
||||
|
||||
var bold = this.getCSS(el,"font-weight");
|
||||
var font_style = this.getCSS(el,"font-style");
|
||||
var font_variant = this.getCSS(el,"font-variant");
|
||||
|
||||
|
||||
var text_decoration = this.getCSS(el,"text-decoration");
|
||||
var text_align = this.getCSS(el,"text-align");
|
||||
@ -1436,14 +1558,7 @@ html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
|
||||
//text = $.trim(text);
|
||||
if (text.length>0){
|
||||
switch(bold){
|
||||
case 401:
|
||||
bold = "bold";
|
||||
break;
|
||||
case 400:
|
||||
bold = "normal";
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
|
||||
if (text_decoration!="none"){
|
||||
@ -1451,8 +1566,7 @@ html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
|
||||
}
|
||||
|
||||
var font = font_variant+" "+bold+" "+font_style+" "+size+" "+family,
|
||||
renderList,
|
||||
var renderList,
|
||||
renderWords = false;
|
||||
|
||||
|
||||
@ -1469,12 +1583,8 @@ html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
renderList = textNode.nodeValue.split("");
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
this.setContextVariable(ctx,"fillStyle",color);
|
||||
this.setContextVariable(ctx,"font",font);
|
||||
this.setFont(ctx,el,false);
|
||||
|
||||
|
||||
/*
|
||||
if (stack.clip){
|
||||
@ -1486,81 +1596,81 @@ html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
|
||||
|
||||
|
||||
var oldTextNode = textNode;
|
||||
for(var c=0;c<renderList.length;c++){
|
||||
var oldTextNode = textNode;
|
||||
for(var c=0;c<renderList.length;c++){
|
||||
|
||||
|
||||
// IE 9 bug
|
||||
if (typeof oldTextNode.nodeValue != "string"){
|
||||
continue;
|
||||
}
|
||||
// IE 9 bug
|
||||
if (typeof oldTextNode.nodeValue != "string"){
|
||||
continue;
|
||||
}
|
||||
|
||||
// TODO only do the splitting for non-range prints
|
||||
var newTextNode = oldTextNode.splitText(renderList[c].length);
|
||||
// TODO only do the splitting for non-range prints
|
||||
var newTextNode = oldTextNode.splitText(renderList[c].length);
|
||||
|
||||
if (text_decoration!="none" || this.trim(oldTextNode.nodeValue).length != 0){
|
||||
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();
|
||||
range.selectNode(oldTextNode);
|
||||
}else{
|
||||
// TODO add IE support
|
||||
var range = document.body.createTextRange();
|
||||
}
|
||||
if (range.getBoundingClientRect()){
|
||||
var bounds = range.getBoundingClientRect();
|
||||
}else{
|
||||
var bounds = {};
|
||||
}
|
||||
if (this.support.rangeBounds){
|
||||
// getBoundingClientRect is supported for ranges
|
||||
if (document.createRange){
|
||||
var range = document.createRange();
|
||||
range.selectNode(oldTextNode);
|
||||
}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);
|
||||
// TODO add IE support
|
||||
var range = document.body.createTextRange();
|
||||
}
|
||||
if (range.getBoundingClientRect()){
|
||||
var bounds = range.getBoundingClientRect();
|
||||
}else{
|
||||
var bounds = {};
|
||||
}
|
||||
}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);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
// console.log(range);
|
||||
// console.log("'"+oldTextNode.nodeValue+"'"+bounds.left)
|
||||
this.printText(oldTextNode.nodeValue,bounds.left,bounds.bottom,ctx);
|
||||
// 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;
|
||||
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;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
oldTextNode = newTextNode;
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
oldTextNode = newTextNode;
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -1568,6 +1678,39 @@ html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
|
||||
}
|
||||
|
||||
html2canvas.prototype.setFont = function(ctx,el,align){
|
||||
|
||||
var family = this.getCSS(el,"font-family");
|
||||
var size = this.getCSS(el,"font-size");
|
||||
var color = this.getCSS(el,"color");
|
||||
|
||||
var bold = this.getCSS(el,"font-weight");
|
||||
var font_style = this.getCSS(el,"font-style");
|
||||
var font_variant = this.getCSS(el,"font-variant");
|
||||
|
||||
switch(bold){
|
||||
case 401:
|
||||
bold = "bold";
|
||||
break;
|
||||
case 400:
|
||||
bold = "normal";
|
||||
break;
|
||||
}
|
||||
|
||||
var font = font_variant+" "+bold+" "+font_style+" "+size+" "+family;
|
||||
|
||||
|
||||
this.setContextVariable(ctx,"fillStyle",color);
|
||||
this.setContextVariable(ctx,"font",font);
|
||||
if (align){
|
||||
this.setContextVariable(ctx,"textAlign","right");
|
||||
}else{
|
||||
this.setContextVariable(ctx,"textAlign","left");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Function to find baseline for font with a specicic size
|
||||
*/
|
||||
|
||||
32
build/html2canvas.min.js
vendored
32
build/html2canvas.min.js
vendored
@ -12,21 +12,21 @@ d.style.display="block";document.getElementsByTagName("body")[0].appendChild(d);
|
||||
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(),$(document).height());a.opacity=this.getCSS(this.element,"opacity");this.parseElement(this.element,this.newElement(this.element,a))}};
|
||||
html2canvas.prototype.stackingContext=function(a){this.canvas=document.createElement("canvas");this.canvas.width=a;this.canvas.height=a;if(this.canvas.getContext)this.ctx=this.canvas.getContext("2d");this.ctx.textBaseline="bottom";return this.ctx};
|
||||
html2canvas.prototype.storageContext=function(a,b){this.storage=[];this.width=a;this.height=b;this.fillRect=function(a,b,e,f){this.storage.push({type:"function",name:"fillRect",arguments:[a,b,e,f]})};this.drawImage=function(a,b,e,f,g,i,h,j,l){this.storage.push({type:"function",name:"drawImage",arguments:[a,b,e,f,g,i,h,j,l]})};this.fillText=function(a,b,e){this.storage.push({type:"function",name:"fillText",arguments:[a,b,e]})};return this};
|
||||
html2canvas.prototype.storageContext=function(a,b){this.storage=[];this.width=a;this.height=b;this.fillRect=function(a,b,e,f){this.storage.push({type:"function",name:"fillRect",arguments:[a,b,e,f]})};this.drawImage=function(a,b,e,f,g,h,i,j,m){this.storage.push({type:"function",name:"drawImage",arguments:[a,b,e,f,g,h,i,j,m]})};this.fillText=function(a,b,e){this.storage.push({type:"function",name:"fillText",arguments:[a,b,e]})};return this};
|
||||
html2canvas.prototype.finish=function(){this.log("Finished rendering");document.getElementsByTagName("body")[0].style.overflow=this.bodyOverflow;this.opts.ready(this)};
|
||||
html2canvas.prototype.drawBackground=function(a,b,c){var d=this.getCSS(a,"background-image").split(",")[0],e=this.getCSS(a,"background-repeat").split(",")[0];if(typeof d!="undefined"&&/^(1|none)$/.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 d=b.width-a.left,e=b.height-a.top,g=a.left,i=a.top,h=a.left+b.left,j=a.top+b.top;g<0?(g=Math.abs(g),h+=g,d=Math.min(b.width,f.width-g)):(d=Math.min(d,f.width),g=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,g,i,d,e,h,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)>
|
||||
b.top,b.width,b.height);break;case "no-repeat":var d=b.width-a.left,e=b.height-a.top,g=a.left,h=a.top,i=a.left+b.left,j=a.top+b.top;g<0?(g=Math.abs(g),i+=g,d=Math.min(b.width,f.width-g)):(d=Math.min(d,f.width),g=0);h<0?(h=Math.abs(h),j+=h,e=Math.min(b.height,f.height-h)):(e=Math.min(e,f.height),h=0);if(e>0&&d>0){this.drawImage(c,f,g,h,d,e,i,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-d,d=b.top):g=0,this.drawbackgroundRepeatX(c,f,a,b.left,d,b.width,e),g>0&&(a.top+=g),d=Math.floor(d+f.height)-g}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,c){var d=(this.getCSS(a,"backgroundPosition").split(",")[0]||"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,c,d,e,f,g){var i=Math.min(b.width,f),h;c.top-=Math.ceil(c.top/b.height)*b.height;for(h=e+c.top;h<g+e;)f=Math.floor(h+b.height)>g+e?g+e-h:b.height,this.drawBackgroundRepeat(a,b,d+c.left,h,i,f,d,e),h=Math.floor(h+b.height)};
|
||||
html2canvas.prototype.drawbackgroundRepeatX=function(a,b,c,d,e,f,g){var g=Math.min(b.height,g),i,h;c.left-=Math.ceil(c.left/b.width)*b.width;for(h=d+c.left;h<f+d;)i=Math.floor(h+b.width)>f+d?f+d-h:b.width,this.drawBackgroundRepeat(a,b,h,e+c.top,i,g,d,e),h=Math.floor(h+b.width)};html2canvas.prototype.drawBackgroundRepeat=function(a,b,c,d,e,f,g,i){var h=0,j=0;g-c>0&&(h=g-c);i-d>0&&(j=i-d);this.drawImage(a,b,h,j,e-h,f-j,c+h,d+j,e-h,f-j)};
|
||||
html2canvas.prototype.drawbackgroundRepeatY=function(a,b,c,d,e,f,g){var h=Math.min(b.width,f),i;c.top-=Math.ceil(c.top/b.height)*b.height;for(i=e+c.top;i<g+e;)f=Math.floor(i+b.height)>g+e?g+e-i:b.height,this.drawBackgroundRepeat(a,b,d+c.left,i,h,f,d,e),i=Math.floor(i+b.height)};
|
||||
html2canvas.prototype.drawbackgroundRepeatX=function(a,b,c,d,e,f,g){var g=Math.min(b.height,g),h,i;c.left-=Math.ceil(c.left/b.width)*b.width;for(i=d+c.left;i<f+d;)h=Math.floor(i+b.width)>f+d?f+d-i:b.width,this.drawBackgroundRepeat(a,b,i,e+c.top,h,g,d,e),i=Math.floor(i+b.width)};html2canvas.prototype.drawBackgroundRepeat=function(a,b,c,d,e,f,g,h){var i=0,j=0;g-c>0&&(i=g-c);h-d>0&&(j=h-d);this.drawImage(a,b,i,j,e-i,f-j,c+i,d+j,e-i,f-j)};
|
||||
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,c,d){var e=c.left,f=c.top,g=c.width,i=c.height,h=this.getBorderData(a),j=this;this.each(h,function(a,c){if(c.width>0){var k=e,o=f,n=g,p=i-h[2].width;switch(a){case 0:p=h[0].width;break;case 1:k=e+g-h[1].width;n=h[1].width;break;case 2:o=o+i-h[2].width;p=h[2].width;break;case 3:n=h[3].width}n={left:k,top:o,width:n,height:p};d&&(n=j.clipBounds(n,d));n.width>0&&n.height>0&&j.newRect(b,k,o,n.width,n.height,c.color)}});return h};
|
||||
html2canvas.prototype.newElement=function(a,b){var c=this.getBounds(a),d=c.left,e=c.top,f=c.width,g=c.height,i;i=this.getCSS(a,"background-color");var h=this.getCSS(a,"position"),b=b||{},j=this.setZ(this.getCSS(a,"zIndex"),h,b.zIndex,a.parentNode),l=this.getCSS(a,"opacity"),m={ctx:new this.storageContext,zIndex:j,opacity:l*b.opacity,cssPosition:h};if(b.clip)m.clip=$.extend({},b.clip),m.clip.height-=b.borders[2].width;if(this.opts.useOverflow&&/(hidden|scroll|auto)/.test(this.getCSS(a,"overflow"))&&
|
||||
!/(BODY)/i.test(a.nodeName))m.clip=m.clip?this.clipBounds(m.clip,c):c;h=j.children.push(m);l=j.children[h-1].ctx;this.setContextVariable(l,"globalAlpha",m.opacity);var k=this.drawBorders(a,l,c);m.borders=k;this.ignoreRe.test(a.nodeName)&&this.opts.iframeDefault!="transparent"&&(i=this.opts.iframeDefault=="default"?"#efefef":this.opts.iframeDefault);f={left:d+k[3].width,top:e+k[0].width,width:f-(k[1].width+k[3].width),height:g-(k[0].width+k[2].width)};m.clip&&(f=this.clipBounds(f,m.clip));f.height>
|
||||
0&&f.width>0&&(this.newRect(l,f.left,f.top,f.width,f.height,i),this.drawBackground(a,f,l));switch(a.nodeName){case "IMG":(i=this.loadImage(this.getAttr(a,"src")))?this.drawImage(l,i,0,0,i.width,i.height,d+parseInt(this.getCSS(a,"padding-left"),10)+k[3].width,e+parseInt(this.getCSS(a,"padding-top"),10)+k[0].width,c.width-(k[1].width+k[3].width+parseInt(this.getCSS(a,"padding-left"),10)+parseInt(this.getCSS(a,"padding-right"),10)),c.height-(k[0].width+k[2].width+parseInt(this.getCSS(a,"padding-top"),
|
||||
10)+parseInt(this.getCSS(a,"padding-bottom"),10))):this.log("Error loading <img>:"+this.getAttr(a,"src"));break;case "INPUT":/^(text|url|email|submit|button|reset)$/.test(a.type)&&a.value.length>0&&this.renderFormValue(a,c,m);break;case "TEXTAREA":a.value.length>0&&this.renderFormValue(a,c,m);break;case "SELECT":a.options.length>0&&this.renderFormValue(a,c,m)}return j.children[h-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,g,i,h,j){a.drawImage(b,c,d,e,f,g,i,h,j);this.numDraws++};
|
||||
html2canvas.prototype.drawBorders=function(a,b,c,d){var e=c.left,f=c.top,g=c.width,h=c.height,i=this.getBorderData(a),j=this;this.each(i,function(a,c){if(c.width>0){var k=e,o=f,n=g,p=h-i[2].width;switch(a){case 0:p=i[0].width;break;case 1:k=e+g-i[1].width;n=i[1].width;break;case 2:o=o+h-i[2].width;p=i[2].width;break;case 3:n=i[3].width}n={left:k,top:o,width:n,height:p};d&&(n=j.clipBounds(n,d));n.width>0&&n.height>0&&j.newRect(b,k,o,n.width,n.height,c.color)}});return i};
|
||||
html2canvas.prototype.newElement=function(a,b){var c=this.getBounds(a),d=c.left,e=c.top,f=c.width,g=c.height,h;h=this.getCSS(a,"background-color");var i=this.getCSS(a,"position"),b=b||{},j=this.setZ(this.getCSS(a,"zIndex"),i,b.zIndex,a.parentNode),m=this.getCSS(a,"opacity"),l={ctx:new this.storageContext,zIndex:j,opacity:m*b.opacity,cssPosition:i};if(b.clip)l.clip=$.extend({},b.clip),l.clip.height-=b.borders[2].width;if(this.opts.useOverflow&&/(hidden|scroll|auto)/.test(this.getCSS(a,"overflow"))&&
|
||||
!/(BODY)/i.test(a.nodeName))l.clip=l.clip?this.clipBounds(l.clip,c):c;i=j.children.push(l);m=j.children[i-1].ctx;this.setContextVariable(m,"globalAlpha",l.opacity);var k=this.drawBorders(a,m,c);l.borders=k;this.ignoreRe.test(a.nodeName)&&this.opts.iframeDefault!="transparent"&&(h=this.opts.iframeDefault=="default"?"#efefef":this.opts.iframeDefault);f={left:d+k[3].width,top:e+k[0].width,width:f-(k[1].width+k[3].width),height:g-(k[0].width+k[2].width)};l.clip&&(f=this.clipBounds(f,l.clip));f.height>
|
||||
0&&f.width>0&&(this.newRect(m,f.left,f.top,f.width,f.height,h),this.drawBackground(a,f,m));switch(a.nodeName){case "IMG":(h=this.loadImage(this.getAttr(a,"src")))?this.drawImage(m,h,0,0,h.width,h.height,d+parseInt(this.getCSS(a,"padding-left"),10)+k[3].width,e+parseInt(this.getCSS(a,"padding-top"),10)+k[0].width,c.width-(k[1].width+k[3].width+parseInt(this.getCSS(a,"padding-left"),10)+parseInt(this.getCSS(a,"padding-right"),10)),c.height-(k[0].width+k[2].width+parseInt(this.getCSS(a,"padding-top"),
|
||||
10)+parseInt(this.getCSS(a,"padding-bottom"),10))):this.log("Error loading <img>:"+this.getAttr(a,"src"));break;case "INPUT":/^(text|url|email|submit|button|reset)$/.test(a.type)&&a.value.length>0&&this.renderFormValue(a,c,l);break;case "TEXTAREA":a.value.length>0&&this.renderFormValue(a,c,l);break;case "SELECT":a.options.length>0&&this.renderFormValue(a,c,l);break;case "LI":this.drawListItem(a,l,f)}return j.children[i-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,g,h,i,j){a.drawImage(b,c,d,e,f,g,h,i,j);this.numDraws++};
|
||||
html2canvas.prototype.renderFormValue=function(a,b,c){var d=document.createElement("valuewrap"),e=this;this.each(["lineHeight","textAlign","fontFamily","color","fontSize","paddingLeft","paddingTop","width","height","border","borderLeftWidth","borderTopWidth"],function(b,c){d.style[c]=e.getCSS(a,c)});d.style.borderColor="black";d.style.borderStyle="solid";d.style.display="block";d.style.position="absolute";if(/^(submit|reset|button|text|password)$/.test(a.type)||a.nodeName=="SELECT")d.style.lineHeight=
|
||||
e.getCSS(a,"height");d.style.top=b.top+"px";d.style.left=b.left+"px";b=document.createTextNode(a.nodeName=="SELECT"?a.options[a.selectedIndex].text:a.value);d.appendChild(b);$("body").append(d);this.newText(a,b,c);$(d).remove()};
|
||||
html2canvas.prototype.getImages=function(a){var b=this;this.ignoreRe.test(a.nodeName)||this.each($(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.split(",")[0]))};
|
||||
@ -36,10 +36,14 @@ html2canvas.prototype.Renderer=function(a){var b=this;this.log("Renderer initiat
|
||||
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(a,e){switch(e.type){case "variable":b[e.name]=e.arguments;break;case "function":e.name=="fillRect"?b.fillRect(e.arguments[0],e.arguments[1],e.arguments[2],e.arguments[3]):e.name=="fillText"?b.fillText(e.arguments[0],e.arguments[1],e.arguments[2]):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],e.arguments[6],e.arguments[7],e.arguments[8]):c.log(e)}});a.clip&&b.restore()};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){this.sortZ(this.zStack);a=this.queue;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,c){a.storage?a.storage.push({type:"variable",name:b,arguments:c}):a[b]=c};
|
||||
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"),g=this.getCSS(a,"font-weight"),i=this.getCSS(a,"font-style"),h=this.getCSS(a,"font-variant"),j=this.getCSS(a,"text-decoration"),l=this.getCSS(a,"text-align"),m=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(j!=
|
||||
"none")var k=this.fontMetrics(d,e);d=h+" "+g+" "+i+" "+e+" "+d;l=l.replace(["-webkit-auto"],["auto"]);a=this.opts.letterRendering==!1&&/^(left|right|justify|auto)$/.test(l)&&/^(normal|none)$/.test(m)?b.nodeValue.split(/(\b| )/):b.nodeValue.split("");this.setContextVariable(c,"fillStyle",f);this.setContextVariable(c,"font",d);for(l=0;l<a.length;l++)if(typeof b.nodeValue=="string"){m=b.splitText(a[l].length);if(j!="none"||this.trim(b.nodeValue).length!=0)switch(this.support.rangeBounds?(document.createRange?
|
||||
(d=document.createRange(),d.selectNode(b)):d=document.body.createTextRange(),d=d.getBoundingClientRect()?d.getBoundingClientRect():{}):(e=b.parentNode,g=document.createElement("wrapper"),i=b.cloneNode(!0),g.appendChild(b.cloneNode(!0)),e.replaceChild(g,b),d=this.getBounds(g),e.replaceChild(i,g)),this.printText(b.nodeValue,d.left,d.bottom,c),j){case "underline":this.newRect(c,d.left,Math.round(d.top+k.baseline+k.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,d.left,Math.ceil(d.top+k.middle+k.lineWidth),d.width,1,f)}b=m}}};
|
||||
html2canvas.prototype.drawListItem=function(a,b,c){var d=this.getCSS(a,"list-style-position",!1);this.getListItem(a);var e=this.getCSS(a,"list-style-type",!1);if(/^(decimal|decimal-leading-zero|upper-alpha|upper-latin|upper-roman|lower-alpha|lower-greek|lower-latin|lower-roman)$/i.test(e)){var f=$(a).index()+1,g;e=="decimal"?g=f:e=="decimal-leading-zero"?g=f.toString().length==1?"0"+f.toString():f.toString():e=="upper-roman"?g=this.getListRoman(f):e=="lower-roman"?g=this.getListRoman(f).toLowerCase():
|
||||
e=="lower-alpha"?g=this.getListAlpha(f).toLowerCase():e=="upper-alpha"&&(g=this.getListAlpha(f));g+=". ";e=this.getListPosition(a,g);if(d=="inside")this.setFont(b.ctx,a,!1),a=c.left,c=e.bottom,this.printText(g,a,c,b.ctx)}};
|
||||
html2canvas.prototype.getListPosition=function(a,b){var c=document.createElement("boundelement");c.style.display="inline";var d=a.style.listStyleType;a.style.listStyleType="none";c.appendChild(document.createTextNode(b));a.insertBefore(c,a.firstChild);var e=this.getBounds(c);a.removeChild(c);a.style.listStyleType=d;return e};html2canvas.prototype.getListItem=function(){};html2canvas.prototype.getListAlpha=function(a){var b="";do b=String.fromCharCode(a%26+64)+b,a/=26;while(a*26>26);return b};
|
||||
html2canvas.prototype.getListRoman=function(a){var b=["M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I"],c=[1E3,900,500,400,100,90,50,40,10,9,5,4,1],d="";if(!(a<=0||a>=4E3)){for(var e=0;e<b.length;e++)for(;a>=c[e];)a-=c[e],d+=b[e];return d}};
|
||||
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"),g=this.getCSS(a,"text-decoration"),h=this.getCSS(a,"text-align"),i=this.getCSS(a,"letter-spacing");b.nodeValue=this.textTransform(b.nodeValue,this.getCSS(a,"text-transform"));if(this.trim(b.nodeValue).length>0){if(g!="none")var j=this.fontMetrics(d,e);h=h.replace(["-webkit-auto"],["auto"]);d=this.opts.letterRendering==!1&&/^(left|right|justify|auto)$/.test(h)&&
|
||||
/^(normal|none)$/.test(i)?b.nodeValue.split(/(\b| )/):b.nodeValue.split("");this.setFont(c,a,!1);a=b;for(b=0;b<d.length;b++)if(typeof a.nodeValue=="string"){e=a.splitText(d[b].length);if(g!="none"||this.trim(a.nodeValue).length!=0){if(this.support.rangeBounds)document.createRange?(h=document.createRange(),h.selectNode(a)):h=document.body.createTextRange(),h=h.getBoundingClientRect()?h.getBoundingClientRect():{};else{var i=a.parentNode,m=document.createElement("wrapper"),l=a.cloneNode(!0);m.appendChild(a.cloneNode(!0));
|
||||
i.replaceChild(m,a);h=this.getBounds(m);i.replaceChild(l,m)}this.printText(a.nodeValue,h.left,h.bottom,c);switch(g){case "underline":this.newRect(c,h.left,Math.round(h.top+j.baseline+j.lineWidth),h.width,1,f);break;case "overline":this.newRect(c,h.left,h.top,h.width,1,f);break;case "line-through":this.newRect(c,h.left,Math.ceil(h.top+j.middle+j.lineWidth),h.width,1,f)}}a=e}}};
|
||||
html2canvas.prototype.setFont=function(a,b,c){var d=this.getCSS(b,"font-family"),e=this.getCSS(b,"font-size"),f=this.getCSS(b,"color"),g=this.getCSS(b,"font-weight"),h=this.getCSS(b,"font-style"),b=this.getCSS(b,"font-variant");switch(g){case 401:g="bold";break;case 400:g="normal"}d=b+" "+g+" "+h+" "+e+" "+d;this.setContextVariable(a,"fillStyle",f);this.setContextVariable(a,"font",d);c?this.setContextVariable(a,"textAlign","right"):this.setContextVariable(a,"textAlign","left")};
|
||||
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*$/,"")};
|
||||
|
||||
@ -168,6 +168,9 @@ html2canvas.prototype.newElement = function(el,parentStack){
|
||||
this.renderFormValue(el,bounds,stack);
|
||||
}
|
||||
break;
|
||||
case "LI":
|
||||
this.drawListItem(el,stack,bgbounds);
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
|
||||
121
src/Lists.js
Normal file
121
src/Lists.js
Normal file
@ -0,0 +1,121 @@
|
||||
html2canvas.prototype.drawListItem = function(element,stack,elBounds){
|
||||
|
||||
|
||||
var position = this.getCSS(element,"list-style-position",false);
|
||||
|
||||
|
||||
var item = this.getListItem(element),
|
||||
x,
|
||||
y;
|
||||
|
||||
var type = this.getCSS(element,"list-style-type",false);
|
||||
|
||||
if (/^(decimal|decimal-leading-zero|upper-alpha|upper-latin|upper-roman|lower-alpha|lower-greek|lower-latin|lower-roman)$/i.test(type)){
|
||||
// TODO remove jQuery dependency
|
||||
var currentIndex = $(element).index()+1,
|
||||
text;
|
||||
|
||||
if (type == "decimal"){
|
||||
text = currentIndex;
|
||||
}else if (type == "decimal-leading-zero"){
|
||||
if (currentIndex.toString().length == 1){
|
||||
text = currentIndex = "0" + currentIndex.toString();
|
||||
}else{
|
||||
text = currentIndex.toString();
|
||||
}
|
||||
|
||||
}else if (type == "upper-roman"){
|
||||
text = this.getListRoman(currentIndex);
|
||||
}else if (type == "lower-roman"){
|
||||
text = this.getListRoman(currentIndex).toLowerCase();
|
||||
}else if (type == "lower-alpha"){
|
||||
text = this.getListAlpha(currentIndex).toLowerCase();
|
||||
}else if (type == "upper-alpha"){
|
||||
text = this.getListAlpha(currentIndex);
|
||||
}
|
||||
|
||||
text += ". ";
|
||||
var listBounds = this.getListPosition(element,text);
|
||||
|
||||
if (position == "inside"){
|
||||
this.setFont(stack.ctx,element,false);
|
||||
x = elBounds.left;
|
||||
}else{
|
||||
return; /* TODO really need to figure out some more accurate way to try and find the position.
|
||||
as defined in http://www.w3.org/TR/CSS21/generate.html#propdef-list-style-position, it does not even have a specified "correct" position, so each browser
|
||||
may display it whatever way it feels like.
|
||||
"The position of the list-item marker adjacent to floats is undefined in CSS 2.1. CSS 2.1 does not specify the precise location of the marker box or its position in the painting order"
|
||||
*/
|
||||
this.setFont(stack.ctx,element,true);
|
||||
x = elBounds.left-10;
|
||||
}
|
||||
|
||||
y = listBounds.bottom;
|
||||
|
||||
|
||||
this.printText(text, x, y, stack.ctx);
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
html2canvas.prototype.getListPosition = function(element,val){
|
||||
var boundElement = document.createElement("boundelement");
|
||||
boundElement.style.display = "inline";
|
||||
//boundElement.style.width = "1px";
|
||||
//boundElement.style.height = "1px";
|
||||
|
||||
var type = element.style.listStyleType;
|
||||
element.style.listStyleType = "none";
|
||||
|
||||
boundElement.appendChild(document.createTextNode(val));
|
||||
|
||||
|
||||
element.insertBefore(boundElement,element.firstChild);
|
||||
|
||||
|
||||
var bounds = this.getBounds(boundElement);
|
||||
element.removeChild(boundElement);
|
||||
element.style.listStyleType = type;
|
||||
return bounds;
|
||||
|
||||
|
||||
}
|
||||
|
||||
html2canvas.prototype.getListItem = function(element){
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
html2canvas.prototype.getListAlpha = function(number){
|
||||
var tmp = "";
|
||||
do{
|
||||
var modulus = number % 26;
|
||||
tmp = String.fromCharCode((modulus) + 64) + tmp;
|
||||
number = number / 26;
|
||||
}while((number*26) > 26);
|
||||
|
||||
return tmp;
|
||||
}
|
||||
|
||||
html2canvas.prototype.getListRoman = function(number){
|
||||
var romanArray = ["M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I"],
|
||||
decimal = [1000,900,500,400,100,90,50,40,10,9,5,4,1],
|
||||
roman = "";
|
||||
|
||||
if (number <= 0 || number >= 4000) return;
|
||||
for (var v=0; v<romanArray.length; v++) {
|
||||
while (number >= decimal[v]) {
|
||||
number -= decimal[v];
|
||||
roman += romanArray[v];
|
||||
}
|
||||
}
|
||||
|
||||
return roman;
|
||||
|
||||
|
||||
}
|
||||
171
src/Text.js
171
src/Text.js
@ -5,9 +5,7 @@ html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
var size = this.getCSS(el,"font-size");
|
||||
var color = this.getCSS(el,"color");
|
||||
|
||||
var bold = this.getCSS(el,"font-weight");
|
||||
var font_style = this.getCSS(el,"font-style");
|
||||
var font_variant = this.getCSS(el,"font-variant");
|
||||
|
||||
|
||||
var text_decoration = this.getCSS(el,"text-decoration");
|
||||
var text_align = this.getCSS(el,"text-align");
|
||||
@ -21,14 +19,7 @@ html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
|
||||
//text = $.trim(text);
|
||||
if (text.length>0){
|
||||
switch(bold){
|
||||
case 401:
|
||||
bold = "bold";
|
||||
break;
|
||||
case 400:
|
||||
bold = "normal";
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
|
||||
if (text_decoration!="none"){
|
||||
@ -36,8 +27,7 @@ html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
|
||||
}
|
||||
|
||||
var font = font_variant+" "+bold+" "+font_style+" "+size+" "+family,
|
||||
renderList,
|
||||
var renderList,
|
||||
renderWords = false;
|
||||
|
||||
|
||||
@ -54,12 +44,8 @@ html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
renderList = textNode.nodeValue.split("");
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
this.setContextVariable(ctx,"fillStyle",color);
|
||||
this.setContextVariable(ctx,"font",font);
|
||||
this.setFont(ctx,el,false);
|
||||
|
||||
|
||||
/*
|
||||
if (stack.clip){
|
||||
@ -71,81 +57,81 @@ html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
|
||||
|
||||
|
||||
var oldTextNode = textNode;
|
||||
for(var c=0;c<renderList.length;c++){
|
||||
var oldTextNode = textNode;
|
||||
for(var c=0;c<renderList.length;c++){
|
||||
|
||||
|
||||
// IE 9 bug
|
||||
if (typeof oldTextNode.nodeValue != "string"){
|
||||
continue;
|
||||
}
|
||||
// IE 9 bug
|
||||
if (typeof oldTextNode.nodeValue != "string"){
|
||||
continue;
|
||||
}
|
||||
|
||||
// TODO only do the splitting for non-range prints
|
||||
var newTextNode = oldTextNode.splitText(renderList[c].length);
|
||||
// TODO only do the splitting for non-range prints
|
||||
var newTextNode = oldTextNode.splitText(renderList[c].length);
|
||||
|
||||
if (text_decoration!="none" || this.trim(oldTextNode.nodeValue).length != 0){
|
||||
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();
|
||||
range.selectNode(oldTextNode);
|
||||
}else{
|
||||
// TODO add IE support
|
||||
var range = document.body.createTextRange();
|
||||
}
|
||||
if (range.getBoundingClientRect()){
|
||||
var bounds = range.getBoundingClientRect();
|
||||
}else{
|
||||
var bounds = {};
|
||||
}
|
||||
if (this.support.rangeBounds){
|
||||
// getBoundingClientRect is supported for ranges
|
||||
if (document.createRange){
|
||||
var range = document.createRange();
|
||||
range.selectNode(oldTextNode);
|
||||
}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);
|
||||
// TODO add IE support
|
||||
var range = document.body.createTextRange();
|
||||
}
|
||||
if (range.getBoundingClientRect()){
|
||||
var bounds = range.getBoundingClientRect();
|
||||
}else{
|
||||
var bounds = {};
|
||||
}
|
||||
}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);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
// console.log(range);
|
||||
// console.log("'"+oldTextNode.nodeValue+"'"+bounds.left)
|
||||
this.printText(oldTextNode.nodeValue,bounds.left,bounds.bottom,ctx);
|
||||
// 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;
|
||||
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;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
oldTextNode = newTextNode;
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
oldTextNode = newTextNode;
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -153,6 +139,39 @@ html2canvas.prototype.newText = function(el,textNode,stack,form){
|
||||
|
||||
}
|
||||
|
||||
html2canvas.prototype.setFont = function(ctx,el,align){
|
||||
|
||||
var family = this.getCSS(el,"font-family");
|
||||
var size = this.getCSS(el,"font-size");
|
||||
var color = this.getCSS(el,"color");
|
||||
|
||||
var bold = this.getCSS(el,"font-weight");
|
||||
var font_style = this.getCSS(el,"font-style");
|
||||
var font_variant = this.getCSS(el,"font-variant");
|
||||
|
||||
switch(bold){
|
||||
case 401:
|
||||
bold = "bold";
|
||||
break;
|
||||
case 400:
|
||||
bold = "normal";
|
||||
break;
|
||||
}
|
||||
|
||||
var font = font_variant+" "+bold+" "+font_style+" "+size+" "+family;
|
||||
|
||||
|
||||
this.setContextVariable(ctx,"fillStyle",color);
|
||||
this.setContextVariable(ctx,"font",font);
|
||||
if (align){
|
||||
this.setContextVariable(ctx,"textAlign","right");
|
||||
}else{
|
||||
this.setContextVariable(ctx,"textAlign","left");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Function to find baseline for font with a specicic size
|
||||
*/
|
||||
|
||||
87
tests/lists.html
Normal file
87
tests/lists.html
Normal file
@ -0,0 +1,87 @@
|
||||
<!--
|
||||
* @author Niklas von Hertzen <niklas at hertzen.com>
|
||||
* @created 16.7.2011
|
||||
* @website http://hertzen.com
|
||||
-->
|
||||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<title>List tests</title>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
|
||||
|
||||
|
||||
<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() {
|
||||
var supportedTypes = ["decimal","decimal-leading-zero","upper-roman","lower-roman","lower-alpha","upper-alpha"];
|
||||
for (var i = 1;i<=100;i++){
|
||||
|
||||
$('#dynamic').append($('<li />').text(i).css('list-style-type',supportedTypes[Math.round(Math.random()*supportedTypes.length)]));
|
||||
}
|
||||
|
||||
|
||||
$('body').html2canvas();
|
||||
});
|
||||
</script>
|
||||
|
||||
<style>
|
||||
#dynamic{
|
||||
list-style-type:decimal;
|
||||
list-style-position: inside;
|
||||
font-size:20px;
|
||||
line-height:50px;
|
||||
|
||||
}
|
||||
|
||||
.small{
|
||||
font-size:14px;
|
||||
}
|
||||
|
||||
.medium{
|
||||
font-size:18px;
|
||||
}
|
||||
.large{
|
||||
font-size:24px;
|
||||
}
|
||||
div{
|
||||
float:left;
|
||||
}
|
||||
h2 {
|
||||
clear:both;
|
||||
}
|
||||
li{
|
||||
border:1px solid black;
|
||||
width:100px;
|
||||
margin:0;
|
||||
}
|
||||
ol{
|
||||
margin:0;
|
||||
|
||||
}
|
||||
</style>
|
||||
|
||||
</head>
|
||||
<body>
|
||||
<ul>
|
||||
<li>First</li>
|
||||
<li style="list-style-position:inside; ">Second</li>
|
||||
<li>Third</li>
|
||||
|
||||
</ul>
|
||||
|
||||
<ol>
|
||||
<li>First</li>
|
||||
<li style="list-style-position:inside; ">Second<br />new line</li>
|
||||
<li style="list-style-position:inside; "></li>
|
||||
<li style="list-style-position:outside;">Third</li>
|
||||
|
||||
</ol>
|
||||
|
||||
<ol id="dynamic">
|
||||
|
||||
</ol>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
Loading…
Reference in New Issue
Block a user