mirror of
https://github.com/niklasvh/html2canvas.git
synced 2023-08-10 21:13:10 +03:00
removed last jQuery dependencies
should be fully jQuery free now!
This commit is contained in:
Niklas von Hertzen
parent
9f76f94a82
commit
343b86705f
503
src/Core.js
503
src/Core.js
@ -1,233 +1,270 @@
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/*
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html2canvas @VERSION@ <http://html2canvas.hertzen.com>
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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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Released under MIT License
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*/
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"use strict";
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var _html2canvas = {},
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previousElement,
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computedCSS,
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html2canvas;
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function h2clog(a) {
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if (_html2canvas.logging && window.console && window.console.log) {
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window.console.log(a);
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}
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}
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_html2canvas.Util = {};
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_html2canvas.Util.backgroundImage = function (src) {
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if (/data:image\/.*;base64,/i.test( src ) || /^(-webkit|-moz|linear-gradient|-o-)/.test( src )) {
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return src;
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}
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if (src.toLowerCase().substr( 0, 5 ) === 'url("') {
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src = src.substr( 5 );
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src = src.substr( 0, src.length - 2 );
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} else {
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src = src.substr( 4 );
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src = src.substr( 0, src.length - 1 );
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}
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return src;
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};
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_html2canvas.Util.Bounds = function getBounds (el) {
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var clientRect,
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bounds = {};
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if (el.getBoundingClientRect){
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clientRect = el.getBoundingClientRect();
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// TODO add scroll position to bounds, so no scrolling of window necessary
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bounds.top = clientRect.top;
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bounds.bottom = clientRect.bottom || (clientRect.top + clientRect.height);
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bounds.left = clientRect.left;
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// older IE doesn't have width/height, but top/bottom instead
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bounds.width = clientRect.width || (clientRect.right - clientRect.left);
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bounds.height = clientRect.height || (clientRect.bottom - clientRect.top);
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return bounds;
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}
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};
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_html2canvas.Util.getCSS = function (el, attribute) {
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// return $(el).css(attribute);
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var val;
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function toPX( attribute, val ) {
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var rsLeft = el.runtimeStyle && el.runtimeStyle[ attribute ],
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left,
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style = el.style;
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// Check if we are not dealing with pixels, (Opera has issues with this)
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// Ported from jQuery css.js
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// From the awesome hack by Dean Edwards
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// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
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// If we're not dealing with a regular pixel number
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// but a number that has a weird ending, we need to convert it to pixels
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if ( !/^-?[0-9]+\.?[0-9]*(?:px)?$/i.test( val ) && /^-?\d/.test( val ) ) {
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// Remember the original values
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left = style.left;
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// Put in the new values to get a computed value out
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if ( rsLeft ) {
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el.runtimeStyle.left = el.currentStyle.left;
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}
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style.left = attribute === "fontSize" ? "1em" : (val || 0);
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val = style.pixelLeft + "px";
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// Revert the changed values
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style.left = left;
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if ( rsLeft ) {
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el.runtimeStyle.left = rsLeft;
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}
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}
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if (!/^(thin|medium|thick)$/i.test( val )) {
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return Math.round(parseFloat( val )) + "px";
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}
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return val;
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}
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if ( window.getComputedStyle ) {
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if ( previousElement !== el ) {
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computedCSS = document.defaultView.getComputedStyle(el, null);
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}
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val = computedCSS[ attribute ];
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if ( attribute === "backgroundPosition" ) {
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val = (val.split(",")[0] || "0 0").split(" ");
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val[ 0 ] = ( val[0].indexOf( "%" ) === -1 ) ? toPX( attribute + "X", val[ 0 ] ) : val[ 0 ];
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val[ 1 ] = ( val[1] === undefined ) ? val[0] : val[1]; // IE 9 doesn't return double digit always
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val[ 1 ] = ( val[1].indexOf( "%" ) === -1 ) ? toPX( attribute + "Y", val[ 1 ] ) : val[ 1 ];
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}
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} else if ( el.currentStyle ) {
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// IE 9>
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if (attribute === "backgroundPosition") {
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// Older IE uses -x and -y
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val = [ toPX( attribute + "X", el.currentStyle[ attribute + "X" ] ), toPX( attribute + "Y", el.currentStyle[ attribute + "Y" ] ) ];
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} else {
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val = toPX( attribute, el.currentStyle[ attribute ] );
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if (/^(border)/i.test( attribute ) && /^(medium|thin|thick)$/i.test( val )) {
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switch (val) {
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case "thin":
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val = "1px";
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break;
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case "medium":
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val = "0px"; // this is wrong, it should be 3px but IE uses medium for no border as well.. TODO find a work around
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break;
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case "thick":
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val = "5px";
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break;
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}
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}
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}
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}
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return val;
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//return $(el).css(attribute);
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};
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_html2canvas.Util.BackgroundPosition = function ( el, bounds, image ) {
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// TODO add support for multi image backgrounds
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var bgposition = _html2canvas.Util.getCSS( el, "backgroundPosition" ) ,
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topPos,
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left,
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percentage,
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val;
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if (bgposition.length === 1){
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val = bgposition;
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bgposition = [];
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bgposition[0] = val;
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bgposition[1] = val;
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}
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if (bgposition[0].toString().indexOf("%") !== -1){
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percentage = (parseFloat(bgposition[0])/100);
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left = ((bounds.width * percentage)-(image.width*percentage));
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}else{
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left = parseInt(bgposition[0],10);
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}
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if (bgposition[1].toString().indexOf("%") !== -1){
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percentage = (parseFloat(bgposition[1])/100);
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topPos = ((bounds.height * percentage)-(image.height*percentage));
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}else{
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topPos = parseInt(bgposition[1],10);
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}
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return {
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top: topPos,
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left: left
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};
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};
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_html2canvas.Util.Extend = function (options, defaults) {
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for (var key in options) {
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if (options.hasOwnProperty(key)) {
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defaults[key] = options[key];
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}
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}
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return defaults;
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};
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_html2canvas.Util.Children = function(el) {
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// $(el).contents() !== el.childNodes, Opera / IE have issues with that
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var children;
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try {
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children = $(el).contents();
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//children = (el.nodeName && el.nodeName.toUpperCase() === "IFRAME") ? el.contentDocument || el.contentWindow.document : el.childNodes ;
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} catch (ex) {
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h2clog("html2canvas.Util.Children failed with exception: " + ex.message);
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children = [];
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}
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return children;
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};
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/*
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html2canvas @VERSION@ <http://html2canvas.hertzen.com>
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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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Released under MIT License
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*/
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"use strict";
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var _html2canvas = {},
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previousElement,
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computedCSS,
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html2canvas;
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function h2clog(a) {
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if (_html2canvas.logging && window.console && window.console.log) {
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window.console.log(a);
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}
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}
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_html2canvas.Util = {};
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_html2canvas.Util.backgroundImage = function (src) {
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if (/data:image\/.*;base64,/i.test( src ) || /^(-webkit|-moz|linear-gradient|-o-)/.test( src )) {
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return src;
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}
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if (src.toLowerCase().substr( 0, 5 ) === 'url("') {
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src = src.substr( 5 );
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src = src.substr( 0, src.length - 2 );
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} else {
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src = src.substr( 4 );
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src = src.substr( 0, src.length - 1 );
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}
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return src;
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};
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_html2canvas.Util.Bounds = function getBounds (el) {
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var clientRect,
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bounds = {};
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if (el.getBoundingClientRect){
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clientRect = el.getBoundingClientRect();
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// TODO add scroll position to bounds, so no scrolling of window necessary
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bounds.top = clientRect.top;
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bounds.bottom = clientRect.bottom || (clientRect.top + clientRect.height);
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bounds.left = clientRect.left;
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// older IE doesn't have width/height, but top/bottom instead
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bounds.width = clientRect.width || (clientRect.right - clientRect.left);
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bounds.height = clientRect.height || (clientRect.bottom - clientRect.top);
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return bounds;
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}
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};
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_html2canvas.Util.getCSS = function (el, attribute) {
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// return $(el).css(attribute);
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var val;
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function toPX( attribute, val ) {
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var rsLeft = el.runtimeStyle && el.runtimeStyle[ attribute ],
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left,
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style = el.style;
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// Check if we are not dealing with pixels, (Opera has issues with this)
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// Ported from jQuery css.js
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// From the awesome hack by Dean Edwards
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// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
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// If we're not dealing with a regular pixel number
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// but a number that has a weird ending, we need to convert it to pixels
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if ( !/^-?[0-9]+\.?[0-9]*(?:px)?$/i.test( val ) && /^-?\d/.test( val ) ) {
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// Remember the original values
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left = style.left;
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// Put in the new values to get a computed value out
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if ( rsLeft ) {
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el.runtimeStyle.left = el.currentStyle.left;
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}
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style.left = attribute === "fontSize" ? "1em" : (val || 0);
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val = style.pixelLeft + "px";
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// Revert the changed values
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style.left = left;
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if ( rsLeft ) {
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el.runtimeStyle.left = rsLeft;
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}
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}
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if (!/^(thin|medium|thick)$/i.test( val )) {
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return Math.round(parseFloat( val )) + "px";
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}
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return val;
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}
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if ( window.getComputedStyle ) {
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if ( previousElement !== el ) {
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computedCSS = document.defaultView.getComputedStyle(el, null);
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}
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val = computedCSS[ attribute ];
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if ( attribute === "backgroundPosition" ) {
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val = (val.split(",")[0] || "0 0").split(" ");
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val[ 0 ] = ( val[0].indexOf( "%" ) === -1 ) ? toPX( attribute + "X", val[ 0 ] ) : val[ 0 ];
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val[ 1 ] = ( val[1] === undefined ) ? val[0] : val[1]; // IE 9 doesn't return double digit always
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val[ 1 ] = ( val[1].indexOf( "%" ) === -1 ) ? toPX( attribute + "Y", val[ 1 ] ) : val[ 1 ];
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}
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} else if ( el.currentStyle ) {
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// IE 9>
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if (attribute === "backgroundPosition") {
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// Older IE uses -x and -y
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val = [ toPX( attribute + "X", el.currentStyle[ attribute + "X" ] ), toPX( attribute + "Y", el.currentStyle[ attribute + "Y" ] ) ];
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} else {
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val = toPX( attribute, el.currentStyle[ attribute ] );
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if (/^(border)/i.test( attribute ) && /^(medium|thin|thick)$/i.test( val )) {
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switch (val) {
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case "thin":
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val = "1px";
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break;
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case "medium":
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val = "0px"; // this is wrong, it should be 3px but IE uses medium for no border as well.. TODO find a work around
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break;
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case "thick":
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val = "5px";
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break;
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}
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}
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}
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}
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return val;
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//return $(el).css(attribute);
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};
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_html2canvas.Util.BackgroundPosition = function ( el, bounds, image ) {
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// TODO add support for multi image backgrounds
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var bgposition = _html2canvas.Util.getCSS( el, "backgroundPosition" ) ,
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topPos,
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left,
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percentage,
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val;
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if (bgposition.length === 1){
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val = bgposition;
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bgposition = [];
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bgposition[0] = val;
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bgposition[1] = val;
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}
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if (bgposition[0].toString().indexOf("%") !== -1){
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percentage = (parseFloat(bgposition[0])/100);
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left = ((bounds.width * percentage)-(image.width*percentage));
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}else{
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left = parseInt(bgposition[0],10);
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}
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if (bgposition[1].toString().indexOf("%") !== -1){
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percentage = (parseFloat(bgposition[1])/100);
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topPos = ((bounds.height * percentage)-(image.height*percentage));
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}else{
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topPos = parseInt(bgposition[1],10);
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}
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return {
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top: topPos,
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left: left
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};
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};
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_html2canvas.Util.Extend = function (options, defaults) {
|
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for (var key in options) {
|
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if (options.hasOwnProperty(key)) {
|
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defaults[key] = options[key];
|
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}
|
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}
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return defaults;
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};
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/*
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* Derived from jQuery.contents()
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* Copyright 2010, John Resig
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* Dual licensed under the MIT or GPL Version 2 licenses.
|
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* http://jquery.org/license
|
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*/
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_html2canvas.Util.Children = function( elem ) {
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var children;
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try {
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children = (elem.nodeName && elem.nodeName.toUpperCase() === "IFRAME") ?
|
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elem.contentDocument || elem.contentWindow.document : (function( array ){
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var ret = [];
|
||||
|
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if ( array !== null ) {
|
||||
|
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(function( first, second ) {
|
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var i = first.length,
|
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j = 0;
|
||||
|
||||
if ( typeof second.length === "number" ) {
|
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for ( var l = second.length; j < l; j++ ) {
|
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first[ i++ ] = second[ j ];
|
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}
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|
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} else {
|
||||
while ( second[j] !== undefined ) {
|
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first[ i++ ] = second[ j++ ];
|
||||
}
|
||||
}
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|
||||
first.length = i;
|
||||
|
||||
return first;
|
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})( ret, array );
|
||||
|
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}
|
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|
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return ret;
|
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})( elem.childNodes );
|
||||
|
||||
} catch (ex) {
|
||||
h2clog("html2canvas.Util.Children failed with exception: " + ex.message);
|
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children = [];
|
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}
|
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return children;
|
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};
|
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|
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24
src/Parse.js
24
src/Parse.js
@ -440,7 +440,26 @@ _html2canvas.Parse = function ( images, options ) {
|
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return bounds;
|
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|
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}
|
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|
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|
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|
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function elementIndex( el ) {
|
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var i = -1,
|
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count = 1,
|
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childs = el.parentNode.childNodes;
|
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|
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if ( el.parentNode ) {
|
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while( childs[ ++i ] !== el ) {
|
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if ( childs[ i ].nodeType === 1 ) {
|
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count++;
|
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}
|
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}
|
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return count;
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} else {
|
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return -1;
|
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}
|
||||
|
||||
}
|
||||
|
||||
function renderListItem(element, stack, elBounds) {
|
||||
|
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@ -456,8 +475,7 @@ _html2canvas.Parse = function ( images, options ) {
|
||||
|
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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
|
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currentIndex = $(element).index()+1;
|
||||
currentIndex = elementIndex( element );
|
||||
|
||||
switch(type){
|
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case "decimal":
|
||||
@ -879,7 +897,7 @@ _html2canvas.Parse = function ( images, options ) {
|
||||
);*/
|
||||
|
||||
|
||||
// console.log($(el).css('background-image'));
|
||||
|
||||
bgw = bounds.width - bgp.left;
|
||||
bgh = bounds.height - bgp.top;
|
||||
bgsx = bgp.left;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user