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Added some support for CSS gradients (by cthackers)

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This commit is contained in:
MoyuScript
2011-09-12 23:50:43 +03:00
parent 0701d49e76
commit 008ad63555
7 changed files with 489 additions and 199 deletions
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83
src/Parse.js
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@ -116,41 +116,6 @@ html2canvas.Parse = function (element, images, opts) {
}
function getBounds (el) {
window.scroll(0,0);
var clientRect,
bounds = {};
if (el.getBoundingClientRect){
clientRect = el.getBoundingClientRect();
// TODO add scroll position to bounds, so no scrolling of window necessary
bounds.top = clientRect.top;
bounds.bottom = clientRect.bottom || (clientRect.top + clientRect.height);
bounds.left = clientRect.left;
bounds.width = clientRect.width;
bounds.height = clientRect.height;
return bounds;
} /*else{
p = $(el).offset();
return {
left: p.left + getCSS(el,"borderLeftWidth", true),
top: p.top + getCSS(el,"borderTopWidth", true),
width:$(el).innerWidth(),
height:$(el).innerHeight()
};
} */
}
function textTransform (text, transform) {
switch(transform){
case "lowercase":
@ -379,7 +344,7 @@ html2canvas.Parse = function (element, images, opts) {
wrapElement.appendChild(oldTextNode.cloneNode(true));
parent.replaceChild(wrapElement, oldTextNode);
bounds = getBounds(wrapElement);
bounds = html2canvas.Util.Bounds(wrapElement);
textValue = oldTextNode.nodeValue;
@ -489,19 +454,6 @@ html2canvas.Parse = function (element, images, opts) {
}
function backgroundUrl (src){
if (src.substr(0,5) === 'url("'){
src = src.substr(5);
src = src.substr(0,src.length-2);
}else{
src = src.substr(4);
src = src.substr(0,src.length-1);
}
return src;
}
function renderBorders(el, ctx, bounds, clip){
/*
@ -781,7 +733,7 @@ html2canvas.Parse = function (element, images, opts) {
function renderBackground(el,bounds,ctx){
// TODO add support for multi background-images
var background_image = getCSS(el, "backgroundImage", false).split(",")[0],
var background_image = getCSS(el, "backgroundImage", false),
background_repeat = getCSS(el, "backgroundRepeat", false).split(",")[0],
image,
bgp,
@ -796,24 +748,29 @@ html2canvas.Parse = function (element, images, opts) {
height,
add;
if (typeof background_image !== "undefined" && /^(1|none)$/.test(background_image) === false && /^(-webkit|-moz|linear-gradient|-o-)/.test(background_image)===false){
background_image = backgroundUrl(background_image);
image = loadImage(background_image);
// if (typeof background_image !== "undefined" && /^(1|none)$/.test(background_image) === false && /^(-webkit|-moz|linear-gradient|-o-)/.test(background_image)===false){
if ( !/data:image\/.*;base64,/i.test(background_image) && !/^(-webkit|-moz|linear-gradient|-o-)/.test(background_image) ) {
background_image = background_image.split(",")[0];
}
if ( typeof background_image !== "undefined" && /^(1|none)$/.test( background_image ) === false ) {
background_image = html2canvas.Util.backgroundImage( background_image );
image = loadImage( background_image );
bgp = getBackgroundPosition(el, bounds, image);
if (image){
switch(background_repeat){
if ( image ){
switch ( background_repeat ) {
case "repeat-x":
renderBackgroundRepeatX(ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height);
renderBackgroundRepeatX( ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height );
break;
case "repeat-y":
renderBackgroundRepeatY(ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height);
renderBackgroundRepeatY( ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height );
break;
case "no-repeat":
@ -934,7 +891,7 @@ html2canvas.Parse = function (element, images, opts) {
function renderElement(el, parentStack){
var bounds = getBounds(el),
var bounds = html2canvas.Util.Bounds(el),
x = bounds.left,
y = bounds.top,
w = bounds.width,
@ -984,8 +941,8 @@ html2canvas.Parse = function (element, images, opts) {
if (parentStack.clip){
stack.clip = html2canvas.Util.Extend( {}, parentStack.clip );
//stack.clip = parentStack.clip;
// stack.clip.height = stack.clip.height - parentStack.borders[2].width;
//stack.clip = parentStack.clip;
// stack.clip.height = stack.clip.height - parentStack.borders[2].width;
}
@ -1016,7 +973,7 @@ html2canvas.Parse = function (element, images, opts) {
stack.clip.width = stack.clip.width-(borders[1].width);
stack.clip.height = stack.clip.height-(borders[2].width);
}
*/
*/
if (ignoreElementsRegExp.test(el.nodeName) && options.iframeDefault !== "transparent"){
if (options.iframeDefault === "default"){
bgcolor = "#efefef";
@ -1104,7 +1061,7 @@ html2canvas.Parse = function (element, images, opts) {
},
formValue:true
},stack);
*/
*/
}
break;
case "TEXTAREA":