From de6b62b69a3eaaa9fd8b4e6d215181e3876707ff Mon Sep 17 00:00:00 2001 From: junv Date: Thu, 22 May 2014 18:06:16 +0800 Subject: [PATCH] remove umeng siocal share plugin files --- css/social.umeng.css | 361 --- env/dev/constant.coffee | 2 +- gulpfile.js | 2 +- js/umeng/html2canvas.js | 2868 ------------------ js/umeng/jquery.js | 6 - js/umeng/social.umeng.js | 578 ---- platforms/ios/www/dist/js/all.min.js | 1410 ++++++++- platforms/ios/www/index.html | 5 +- platforms/ios/www/templates/book-detail.html | 19 +- templates/book-detail.html | 2 +- 10 files changed, 1414 insertions(+), 3839 deletions(-) delete mode 100755 css/social.umeng.css delete mode 100644 js/umeng/html2canvas.js delete mode 100755 js/umeng/jquery.js delete mode 100755 js/umeng/social.umeng.js diff --git a/css/social.umeng.css b/css/social.umeng.css deleted file mode 100755 index 0408992..0000000 --- a/css/social.umeng.css +++ /dev/null @@ -1,361 +0,0 @@ -.c { - clear: both; - width: 0px; - height: 0px; -} - -@keyframes showCover { - from { - background: RGBA(50, 50, 50, 0); - } - to { - background: RGBA(50, 50, 50, 0.1); - } -} - -@-webkit-keyframes showCover { - from { - background: RGBA(50, 50, 50, 0); - } - to { - background: RGBA(50, 50, 50, 0.1); - } -} - -@keyframes closeCover { - from { - background: RGBA(50, 50, 50, 0.1); - } - to { - background: RGBA(50, 50, 50, 0); - } -} - -@-webkit-keyframes closeCover { - from { - background: RGBA(50, 50, 50, 0.1); - } - to { - background: RGBA(50, 50, 50, 0); - } -} - -.cover { - background: RGBA(50, 50, 50, 0.1); - position: fixed; - top: 0px; - left: 0px; - right: 0px; - bottom: 0px; - width: 100%; - height: 100%; - z-index: 100; - animation: showCover .5s steps(8, end) 1; - -webkit-animation: showCover .5s steps(8, end) 1; -} - -.cover.remove { - opacity: 0; - animation: closeCover .5s steps(8, end) 1; - -webkit-animation: closeCover .5s steps(8, end) 1; -} - -@keyframes showShareList { - from { - bottom: -50%; - } - to { - bottom: 0; - } -} - -@-webkit-keyframes showShareList { - from { - bottom: -50%; - } - to { - bottom: 0; - } -} - -@keyframes closeShareList { - from { - bottom: 0%; - } - to { - bottom: -50%; - } -} - -@-webkit-keyframes closeShareList { - from { - bottom: 0%; - } - to { - bottom: -50%; - } -} - -ul.shareList { - display: block; - bottom: 0; - left: 0px; - position: fixed; - overflow: auto; - padding: 0px; - margin: 0px; - z-index: 110; - background: #EEEEEE; - animation: showShareList .5s steps(8, end) 1; - -webkit-animation: showShareList .5s steps(8, end) 1; -} - -ul.shareList.remove { - bottom: -50%; - animation: closeShareList .5s steps(8, end) 1; - -webkit-animation: closeShareList .5s steps(8, end) 1; -} - -ul.shareList li.shareList_item { - border: 1px solid #EFEFEF; - border-width: 0px 1px 1px 0px; - background: #FFF; - list-style: none; - display: block; - padding: 0px; - margin: 0px; - float: left; - position: relative; - cursor: pointer; -} - -ul.shareList li.shareList_item span { - position: absolute; - bottom: 5%; - font-size: 0.75em; - width: 100%; - text-align: center; - color: #888; - left: 0px; -} - -ul.shareList li.shareList_item_sina { - background: url('../../img/social.umeng/umeng_socialize_sina_on.png') no-repeat #FFF center center; - background-size: 60%; -} - -ul.shareList li.shareList_item_tencent { - background: url('../../img/social.umeng/umeng_socialize_tx_on.png') no-repeat #FFF center center; - background-size: 60%; -} - -ul.shareList li.shareList_item_wx_session { - background: url('../../img/social.umeng/umeng_socialize_wechat.png') no-repeat #FFF center center; - background-size: 60%; -} - -ul.shareList li.shareList_item_wx_timeline { - background: url('../../img/social.umeng/umeng_socialize_wxcircle.png') no-repeat #FFF center center; - background-size: 60%; -} - -ul.shareList li.shareList_item_qzone { - background: url('../../img/social.umeng/umeng_socialize_qzone_on.png') no-repeat #FFF center center; - background-size: 60%; -} - -ul.shareList li.shareList_item_renren { - background: url('../../img/social.umeng/umeng_socialize_renren_on.png') no-repeat #FFF center center; - background-size: 60%; -} - -ul.shareList li.shareList_item_qq { - background: url('../../img/social.umeng/umeng_socialize_qq_on.png') no-repeat #FFF center center; - background-size: 60%; -} - -ul.shareList li.shareList_item_facebook { - background: url('../../img/social.umeng/umeng_socialize_facebook.png') no-repeat #FFF center center; - background-size: 60%; -} - -ul.shareList li.shareList_item_twitter { - background: url('../../img/social.umeng/umeng_socialize_twitter.png') no-repeat #FFF center center; - background-size: 60%; -} - -ul.shareList li.shareList_item_sms { - background: url('../../img/social.umeng/umeng_socialize_sms.png') no-repeat #FFF center center; - background-size: 60%; -} - -ul.shareList li.shareList_item_email { - background: url('../../img/social.umeng/umeng_socialize_gmail.png') no-repeat #FFF center center; - background-size: 60%; -} - -ul.shareList li.shareList_item_douban { - background: url('../../img/social.umeng/umeng_socialize_douban_on.png') no-repeat #FFF center center; - background-size: 60%; -} - -ul.shareList li.shareList_item:focus { - background-color: #E3EDFC; -} - -.sharePage { - z-index: 1000; - position: fixed; - top: 0; - left: 0; - right: 0; - bottom: 0; - width: 100%; - height: 100%; - background: #FFFFFF; - box-shadow: 2px 3px 5px rgba(0, 0, 0, 1); - background: #FFF; -} - -.sharePage .sharePageTitle { - position: fixed; - top: 0; - width: 100%; - left: 0; - height: 40px; - line-height: 40px; - background: #EFF2F8; - border-bottom: 1px solid #DDD; - text-align: center; -} - -.sharePage .sharePageTitle span { - font-size: 1.3em; -} - -.icon-back, .icon-submit { - width: 40px; - height: 40px; - cursor: pointer; - display: inline-block; -} - -.icon-back { - background: url('../../img/social.umeng/back.png') no-repeat center center; - background-size: 60%; -} - -.icon-submit { - background: url('../../img/social.umeng/send.png') no-repeat center center; - background-size: 60%; -} - -.icon-submit.disabled { - background: url('../../img/social.umeng/send_disable.png') no-repeat center center; - background-size: 60%; -} - -.icon-back:focus, .icon-submit:focus { - background-color: #E4EFFB; -} - -/*.sharePage .sharePageTitle .sharePageBack {*/ - /*position: absolute;*/ - /*left: 0px;*/ - /*top: 0px;*/ -/*}*/ - -/*.sharePage .sharePageTitle .sharePageSubmit {*/ - /*position: absolute;*/ - /*right: 0px;*/ - /*top: 0px;*/ -/*}*/ - -/*.sharePage .sharePageContent {*/ - /*position: fixed;*/ - /*display: block;*/ - /*top: 50px;*/ - /*bottom: 110px;*/ - /*left: 10px;*/ - /*right: 10px;*/ - /*background: #FFF;*/ - /*border: none;*/ - /*position: fixed;*/ - /*font-size: 1em;*/ -/*}*/ - -/*.sharePage .sharePageBottom {*/ - /*position: fixed;*/ - /*bottom: 0;*/ - /*width: 100%;*/ - /*left: 0;*/ - /*height: 40px;*/ - /*line-height: 40px;*/ - /*background: #EFF2F8;*/ - /*border-top: 1px solid #DDD;*/ -/*}*/ - -/*.sharePage .sharePageBottom .shareBottomBtn {*/ - /*width: 30px;*/ - /*height: 30px;*/ - /*background: #FF0;*/ - /*border-radius: 5px;*/ - /*position: relative;*/ - /*display: block;*/ - /*float: left;*/ - /*margin: 5px 10px;*/ -/*}*/ - -.shareGeo { - position: absolute; - top: -30px; - left: 10px; - font-size: 1em; - height: 20px; - border: 1px solid #CCC; - border-radius: 15px; - line-height: 20px; - text-overflow: ellipsis; - overflow: hidden; - white-space: nowrap; - width: 150px; - color: #666; - text-align: center; -} - -.shareImg { - position: absolute; - bottom: 50px; - right: 10px; - max-height: 70px; - max-width: 70px; - display: none; -} - -.umTip { - position: fixed; - bottom: 50px; - left: 0px; - width: 100%; - text-align: center; - display: none; - z-index: 10000; -} - -.umTip span { - display: inline-block; - padding: 10px 20px; - font-size: 0.75em; - background: RGBA(0, 0, 0, 0.8); - color: #FFF; -} - -video { - position: fixed; - top: 0; - left: 0; - right: 0; - bottom: 0; - width: 100%; - height: 100%; -} \ No newline at end of file diff --git a/env/dev/constant.coffee b/env/dev/constant.coffee index 42e9325..dcf78bf 100644 --- a/env/dev/constant.coffee +++ b/env/dev/constant.coffee @@ -2,7 +2,7 @@ libr = angular.module 'libr.constant', [] Constant = {} #Constant.baseUrl = "http://libr.herokuapp.com/api/v1" -Constant.baseUrl = "http://10.117.100.31:3000/api/v1" +Constant.baseUrl = "http://10.17.2.24:3000/api/v1" libr.constant 'Constant', Constant diff --git a/gulpfile.js b/gulpfile.js index 6b30bb9..30c5e5a 100644 --- a/gulpfile.js +++ b/gulpfile.js @@ -117,7 +117,7 @@ gulp.task('copy', function () { .pipe(gulp.dest('./www')); gulp.src(paths.cordova.assets) .pipe(gulp.dest('./www/assets')); -}) +}); gulp.task('default', ['bower', 'scripts', 'css', 'watch', 'fonts', 'server', 'copy']); diff --git a/js/umeng/html2canvas.js b/js/umeng/html2canvas.js deleted file mode 100644 index 152316b..0000000 --- a/js/umeng/html2canvas.js +++ /dev/null @@ -1,2868 +0,0 @@ -/* - html2canvas 0.4.1 - Copyright (c) 2013 Niklas von Hertzen - - Released under MIT License -*/ - -(function(window, document, undefined){ - -"use strict"; - -var _html2canvas = {}, -previousElement, -computedCSS, -html2canvas; - -_html2canvas.Util = {}; - -_html2canvas.Util.log = function(a) { - if (_html2canvas.logging && window.console && window.console.log) { - window.console.log(a); - } -}; - -_html2canvas.Util.trimText = (function(isNative){ - return function(input) { - return isNative ? isNative.apply(input) : ((input || '') + '').replace( /^\s+|\s+$/g , '' ); - }; -})(String.prototype.trim); - -_html2canvas.Util.asFloat = function(v) { - return parseFloat(v); -}; - -(function() { - // TODO: support all possible length values - var TEXT_SHADOW_PROPERTY = /((rgba|rgb)\([^\)]+\)(\s-?\d+px){0,})/g; - var TEXT_SHADOW_VALUES = /(-?\d+px)|(#.+)|(rgb\(.+\))|(rgba\(.+\))/g; - _html2canvas.Util.parseTextShadows = function (value) { - if (!value || value === 'none') { - return []; - } - - // find multiple shadow declarations - var shadows = value.match(TEXT_SHADOW_PROPERTY), - results = []; - for (var i = 0; shadows && (i < shadows.length); i++) { - var s = shadows[i].match(TEXT_SHADOW_VALUES); - results.push({ - color: s[0], - offsetX: s[1] ? s[1].replace('px', '') : 0, - offsetY: s[2] ? s[2].replace('px', '') : 0, - blur: s[3] ? s[3].replace('px', '') : 0 - }); - } - return results; - }; -})(); - - -_html2canvas.Util.parseBackgroundImage = function (value) { - var whitespace = ' \r\n\t', - method, definition, prefix, prefix_i, block, results = [], - c, mode = 0, numParen = 0, quote, args; - - var appendResult = function(){ - if(method) { - if(definition.substr( 0, 1 ) === '"') { - definition = definition.substr( 1, definition.length - 2 ); - } - if(definition) { - args.push(definition); - } - if(method.substr( 0, 1 ) === '-' && - (prefix_i = method.indexOf( '-', 1 ) + 1) > 0) { - prefix = method.substr( 0, prefix_i); - method = method.substr( prefix_i ); - } - results.push({ - prefix: prefix, - method: method.toLowerCase(), - value: block, - args: args - }); - } - args = []; //for some odd reason, setting .length = 0 didn't work in safari - method = - prefix = - definition = - block = ''; - }; - - appendResult(); - for(var i = 0, ii = value.length; i -1){ - continue; - } - switch(c) { - case '"': - if(!quote) { - quote = c; - } - else if(quote === c) { - quote = null; - } - break; - - case '(': - if(quote) { break; } - else if(mode === 0) { - mode = 1; - block += c; - continue; - } else { - numParen++; - } - break; - - case ')': - if(quote) { break; } - else if(mode === 1) { - if(numParen === 0) { - mode = 0; - block += c; - appendResult(); - continue; - } else { - numParen--; - } - } - break; - - case ',': - if(quote) { break; } - else if(mode === 0) { - appendResult(); - continue; - } - else if (mode === 1) { - if(numParen === 0 && !method.match(/^url$/i)) { - args.push(definition); - definition = ''; - block += c; - continue; - } - } - break; - } - - block += c; - if(mode === 0) { method += c; } - else { definition += c; } - } - appendResult(); - - return results; -}; - -_html2canvas.Util.Bounds = function (element) { - var clientRect, bounds = {}; - - if (element.getBoundingClientRect){ - clientRect = element.getBoundingClientRect(); - - // TODO add scroll position to bounds, so no scrolling of window necessary - bounds.top = clientRect.top; - bounds.bottom = clientRect.bottom || (clientRect.top + clientRect.height); - bounds.left = clientRect.left; - - bounds.width = element.offsetWidth; - bounds.height = element.offsetHeight; - } - - return bounds; -}; - -// TODO ideally, we'd want everything to go through this function instead of Util.Bounds, -// but would require further work to calculate the correct positions for elements with offsetParents -_html2canvas.Util.OffsetBounds = function (element) { - var parent = element.offsetParent ? _html2canvas.Util.OffsetBounds(element.offsetParent) : {top: 0, left: 0}; - - return { - top: element.offsetTop + parent.top, - bottom: element.offsetTop + element.offsetHeight + parent.top, - left: element.offsetLeft + parent.left, - width: element.offsetWidth, - height: element.offsetHeight - }; -}; - -function toPX(element, attribute, value ) { - var rsLeft = element.runtimeStyle && element.runtimeStyle[attribute], - left, - style = element.style; - - // Check if we are not dealing with pixels, (Opera has issues with this) - // Ported from jQuery css.js - // From the awesome hack by Dean Edwards - // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291 - - // If we're not dealing with a regular pixel number - // but a number that has a weird ending, we need to convert it to pixels - - if ( !/^-?[0-9]+\.?[0-9]*(?:px)?$/i.test( value ) && /^-?\d/.test(value) ) { - // Remember the original values - left = style.left; - - // Put in the new values to get a computed value out - if (rsLeft) { - element.runtimeStyle.left = element.currentStyle.left; - } - style.left = attribute === "fontSize" ? "1em" : (value || 0); - value = style.pixelLeft + "px"; - - // Revert the changed values - style.left = left; - if (rsLeft) { - element.runtimeStyle.left = rsLeft; - } - } - - if (!/^(thin|medium|thick)$/i.test(value)) { - return Math.round(parseFloat(value)) + "px"; - } - - return value; -} - -function asInt(val) { - return parseInt(val, 10); -} - -function parseBackgroundSizePosition(value, element, attribute, index) { - value = (value || '').split(','); - value = value[index || 0] || value[0] || 'auto'; - value = _html2canvas.Util.trimText(value).split(' '); - - if(attribute === 'backgroundSize' && (!value[0] || value[0].match(/cover|contain|auto/))) { - //these values will be handled in the parent function - } else { - value[0] = (value[0].indexOf( "%" ) === -1) ? toPX(element, attribute + "X", value[0]) : value[0]; - if(value[1] === undefined) { - if(attribute === 'backgroundSize') { - value[1] = 'auto'; - return value; - } else { - // IE 9 doesn't return double digit always - value[1] = value[0]; - } - } - value[1] = (value[1].indexOf("%") === -1) ? toPX(element, attribute + "Y", value[1]) : value[1]; - } - return value; -} - -_html2canvas.Util.getCSS = function (element, attribute, index) { - if (previousElement !== element) { - computedCSS = document.defaultView.getComputedStyle(element, null); - } - - var value = computedCSS[attribute]; - - if (/^background(Size|Position)$/.test(attribute)) { - return parseBackgroundSizePosition(value, element, attribute, index); - } else if (/border(Top|Bottom)(Left|Right)Radius/.test(attribute)) { - var arr = value.split(" "); - if (arr.length <= 1) { - arr[1] = arr[0]; - } - return arr.map(asInt); - } - - return value; -}; - -_html2canvas.Util.resizeBounds = function( current_width, current_height, target_width, target_height, stretch_mode ){ - var target_ratio = target_width / target_height, - current_ratio = current_width / current_height, - output_width, output_height; - - if(!stretch_mode || stretch_mode === 'auto') { - output_width = target_width; - output_height = target_height; - } else if(target_ratio < current_ratio ^ stretch_mode === 'contain') { - output_height = target_height; - output_width = target_height * current_ratio; - } else { - output_width = target_width; - output_height = target_width / current_ratio; - } - - return { - width: output_width, - height: output_height - }; -}; - -function backgroundBoundsFactory( prop, el, bounds, image, imageIndex, backgroundSize ) { - var bgposition = _html2canvas.Util.getCSS( el, prop, imageIndex ) , - topPos, - left, - percentage, - val; - - if (bgposition.length === 1){ - val = bgposition[0]; - - bgposition = []; - - bgposition[0] = val; - bgposition[1] = val; - } - - if (bgposition[0].toString().indexOf("%") !== -1){ - percentage = (parseFloat(bgposition[0])/100); - left = bounds.width * percentage; - if(prop !== 'backgroundSize') { - left -= (backgroundSize || image).width*percentage; - } - } else { - if(prop === 'backgroundSize') { - if(bgposition[0] === 'auto') { - left = image.width; - } else { - if (/contain|cover/.test(bgposition[0])) { - var resized = _html2canvas.Util.resizeBounds(image.width, image.height, bounds.width, bounds.height, bgposition[0]); - left = resized.width; - topPos = resized.height; - } else { - left = parseInt(bgposition[0], 10); - } - } - } else { - left = parseInt( bgposition[0], 10); - } - } - - - if(bgposition[1] === 'auto') { - topPos = left / image.width * image.height; - } else if (bgposition[1].toString().indexOf("%") !== -1){ - percentage = (parseFloat(bgposition[1])/100); - topPos = bounds.height * percentage; - if(prop !== 'backgroundSize') { - topPos -= (backgroundSize || image).height * percentage; - } - - } else { - topPos = parseInt(bgposition[1],10); - } - - return [left, topPos]; -} - -_html2canvas.Util.BackgroundPosition = function( el, bounds, image, imageIndex, backgroundSize ) { - var result = backgroundBoundsFactory( 'backgroundPosition', el, bounds, image, imageIndex, backgroundSize ); - return { left: result[0], top: result[1] }; -}; - -_html2canvas.Util.BackgroundSize = function( el, bounds, image, imageIndex ) { - var result = backgroundBoundsFactory( 'backgroundSize', el, bounds, image, imageIndex ); - return { width: result[0], height: result[1] }; -}; - -_html2canvas.Util.Extend = function (options, defaults) { - for (var key in options) { - if (options.hasOwnProperty(key)) { - defaults[key] = options[key]; - } - } - return defaults; -}; - - -/* - * Derived from jQuery.contents() - * Copyright 2010, John Resig - * Dual licensed under the MIT or GPL Version 2 licenses. - * http://jquery.org/license - */ -_html2canvas.Util.Children = function( elem ) { - var children; - try { - children = (elem.nodeName && elem.nodeName.toUpperCase() === "IFRAME") ? elem.contentDocument || elem.contentWindow.document : (function(array) { - var ret = []; - if (array !== null) { - (function(first, second ) { - var i = first.length, - j = 0; - - if (typeof second.length === "number") { - for (var l = second.length; j < l; j++) { - first[i++] = second[j]; - } - } else { - while (second[j] !== undefined) { - first[i++] = second[j++]; - } - } - - first.length = i; - - return first; - })(ret, array); - } - return ret; - })(elem.childNodes); - - } catch (ex) { - _html2canvas.Util.log("html2canvas.Util.Children failed with exception: " + ex.message); - children = []; - } - return children; -}; - -_html2canvas.Util.isTransparent = function(backgroundColor) { - return (backgroundColor === "transparent" || backgroundColor === "rgba(0, 0, 0, 0)"); -}; -_html2canvas.Util.Font = (function () { - - var fontData = {}; - - return function(font, fontSize, doc) { - if (fontData[font + "-" + fontSize] !== undefined) { - return fontData[font + "-" + fontSize]; - } - - var container = doc.createElement('div'), - img = doc.createElement('img'), - span = doc.createElement('span'), - sampleText = 'Hidden Text', - baseline, - middle, - metricsObj; - - container.style.visibility = "hidden"; - container.style.fontFamily = font; - container.style.fontSize = fontSize; - container.style.margin = 0; - container.style.padding = 0; - - doc.body.appendChild(container); - - // http://probablyprogramming.com/2009/03/15/the-tiniest-gif-ever (handtinywhite.gif) - img.src = "data:image/gif;base64,R0lGODlhAQABAIABAP///wAAACwAAAAAAQABAAACAkQBADs="; - img.width = 1; - img.height = 1; - - img.style.margin = 0; - img.style.padding = 0; - img.style.verticalAlign = "baseline"; - - span.style.fontFamily = font; - span.style.fontSize = fontSize; - span.style.margin = 0; - span.style.padding = 0; - - span.appendChild(doc.createTextNode(sampleText)); - container.appendChild(span); - container.appendChild(img); - baseline = (img.offsetTop - span.offsetTop) + 1; - - container.removeChild(span); - container.appendChild(doc.createTextNode(sampleText)); - - container.style.lineHeight = "normal"; - img.style.verticalAlign = "super"; - - middle = (img.offsetTop-container.offsetTop) + 1; - metricsObj = { - baseline: baseline, - lineWidth: 1, - middle: middle - }; - - fontData[font + "-" + fontSize] = metricsObj; - - doc.body.removeChild(container); - - return metricsObj; - }; -})(); - -(function(){ - var Util = _html2canvas.Util, - Generate = {}; - - _html2canvas.Generate = Generate; - - var reGradients = [ - /^(-webkit-linear-gradient)\(([a-z\s]+)([\w\d\.\s,%\(\)]+)\)$/, - /^(-o-linear-gradient)\(([a-z\s]+)([\w\d\.\s,%\(\)]+)\)$/, - /^(-webkit-gradient)\((linear|radial),\s((?:\d{1,3}%?)\s(?:\d{1,3}%?),\s(?:\d{1,3}%?)\s(?:\d{1,3}%?))([\w\d\.\s,%\(\)\-]+)\)$/, - /^(-moz-linear-gradient)\(((?:\d{1,3}%?)\s(?:\d{1,3}%?))([\w\d\.\s,%\(\)]+)\)$/, - /^(-webkit-radial-gradient)\(((?:\d{1,3}%?)\s(?:\d{1,3}%?)),\s(\w+)\s([a-z\-]+)([\w\d\.\s,%\(\)]+)\)$/, - /^(-moz-radial-gradient)\(((?:\d{1,3}%?)\s(?:\d{1,3}%?)),\s(\w+)\s?([a-z\-]*)([\w\d\.\s,%\(\)]+)\)$/, - /^(-o-radial-gradient)\(((?:\d{1,3}%?)\s(?:\d{1,3}%?)),\s(\w+)\s([a-z\-]+)([\w\d\.\s,%\(\)]+)\)$/ - ]; - - /* - * TODO: Add IE10 vendor prefix (-ms) support - * TODO: Add W3C gradient (linear-gradient) support - * TODO: Add old Webkit -webkit-gradient(radial, ...) support - * TODO: Maybe some RegExp optimizations are possible ;o) - */ - Generate.parseGradient = function(css, bounds) { - var gradient, i, len = reGradients.length, m1, stop, m2, m2Len, step, m3, tl,tr,br,bl; - - for(i = 0; i < len; i+=1){ - m1 = css.match(reGradients[i]); - if(m1) { - break; - } - } - - if(m1) { - switch(m1[1]) { - case '-webkit-linear-gradient': - case '-o-linear-gradient': - - gradient = { - type: 'linear', - x0: null, - y0: null, - x1: null, - y1: null, - colorStops: [] - }; - - // get coordinates - m2 = m1[2].match(/\w+/g); - if(m2){ - m2Len = m2.length; - for(i = 0; i < m2Len; i+=1){ - switch(m2[i]) { - case 'top': - gradient.y0 = 0; - gradient.y1 = bounds.height; - break; - - case 'right': - gradient.x0 = bounds.width; - gradient.x1 = 0; - break; - - case 'bottom': - gradient.y0 = bounds.height; - gradient.y1 = 0; - break; - - case 'left': - gradient.x0 = 0; - gradient.x1 = bounds.width; - break; - } - } - } - if(gradient.x0 === null && gradient.x1 === null){ // center - gradient.x0 = gradient.x1 = bounds.width / 2; - } - if(gradient.y0 === null && gradient.y1 === null){ // center - gradient.y0 = gradient.y1 = bounds.height / 2; - } - - // get colors and stops - m2 = m1[3].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)(?:\s\d{1,3}(?:%|px))?)+/g); - if(m2){ - m2Len = m2.length; - step = 1 / Math.max(m2Len - 1, 1); - for(i = 0; i < m2Len; i+=1){ - m3 = m2[i].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\s*(\d{1,3})?(%|px)?/); - if(m3[2]){ - stop = parseFloat(m3[2]); - if(m3[3] === '%'){ - stop /= 100; - } else { // px - stupid opera - stop /= bounds.width; - } - } else { - stop = i * step; - } - gradient.colorStops.push({ - color: m3[1], - stop: stop - }); - } - } - break; - - case '-webkit-gradient': - - gradient = { - type: m1[2] === 'radial' ? 'circle' : m1[2], // TODO: Add radial gradient support for older mozilla definitions - x0: 0, - y0: 0, - x1: 0, - y1: 0, - colorStops: [] - }; - - // get coordinates - m2 = m1[3].match(/(\d{1,3})%?\s(\d{1,3})%?,\s(\d{1,3})%?\s(\d{1,3})%?/); - if(m2){ - gradient.x0 = (m2[1] * bounds.width) / 100; - gradient.y0 = (m2[2] * bounds.height) / 100; - gradient.x1 = (m2[3] * bounds.width) / 100; - gradient.y1 = (m2[4] * bounds.height) / 100; - } - - // get colors and stops - m2 = m1[4].match(/((?:from|to|color-stop)\((?:[0-9\.]+,\s)?(?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)\))+/g); - if(m2){ - m2Len = m2.length; - for(i = 0; i < m2Len; i+=1){ - m3 = m2[i].match(/(from|to|color-stop)\(([0-9\.]+)?(?:,\s)?((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\)/); - stop = parseFloat(m3[2]); - if(m3[1] === 'from') { - stop = 0.0; - } - if(m3[1] === 'to') { - stop = 1.0; - } - gradient.colorStops.push({ - color: m3[3], - stop: stop - }); - } - } - break; - - case '-moz-linear-gradient': - - gradient = { - type: 'linear', - x0: 0, - y0: 0, - x1: 0, - y1: 0, - colorStops: [] - }; - - // get coordinates - m2 = m1[2].match(/(\d{1,3})%?\s(\d{1,3})%?/); - - // m2[1] == 0% -> left - // m2[1] == 50% -> center - // m2[1] == 100% -> right - - // m2[2] == 0% -> top - // m2[2] == 50% -> center - // m2[2] == 100% -> bottom - - if(m2){ - gradient.x0 = (m2[1] * bounds.width) / 100; - gradient.y0 = (m2[2] * bounds.height) / 100; - gradient.x1 = bounds.width - gradient.x0; - gradient.y1 = bounds.height - gradient.y0; - } - - // get colors and stops - m2 = m1[3].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)(?:\s\d{1,3}%)?)+/g); - if(m2){ - m2Len = m2.length; - step = 1 / Math.max(m2Len - 1, 1); - for(i = 0; i < m2Len; i+=1){ - m3 = m2[i].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\s*(\d{1,3})?(%)?/); - if(m3[2]){ - stop = parseFloat(m3[2]); - if(m3[3]){ // percentage - stop /= 100; - } - } else { - stop = i * step; - } - gradient.colorStops.push({ - color: m3[1], - stop: stop - }); - } - } - break; - - case '-webkit-radial-gradient': - case '-moz-radial-gradient': - case '-o-radial-gradient': - - gradient = { - type: 'circle', - x0: 0, - y0: 0, - x1: bounds.width, - y1: bounds.height, - cx: 0, - cy: 0, - rx: 0, - ry: 0, - colorStops: [] - }; - - // center - m2 = m1[2].match(/(\d{1,3})%?\s(\d{1,3})%?/); - if(m2){ - gradient.cx = (m2[1] * bounds.width) / 100; - gradient.cy = (m2[2] * bounds.height) / 100; - } - - // size - m2 = m1[3].match(/\w+/); - m3 = m1[4].match(/[a-z\-]*/); - if(m2 && m3){ - switch(m3[0]){ - case 'farthest-corner': - case 'cover': // is equivalent to farthest-corner - case '': // mozilla removes "cover" from definition :( - tl = Math.sqrt(Math.pow(gradient.cx, 2) + Math.pow(gradient.cy, 2)); - tr = Math.sqrt(Math.pow(gradient.cx, 2) + Math.pow(gradient.y1 - gradient.cy, 2)); - br = Math.sqrt(Math.pow(gradient.x1 - gradient.cx, 2) + Math.pow(gradient.y1 - gradient.cy, 2)); - bl = Math.sqrt(Math.pow(gradient.x1 - gradient.cx, 2) + Math.pow(gradient.cy, 2)); - gradient.rx = gradient.ry = Math.max(tl, tr, br, bl); - break; - case 'closest-corner': - tl = Math.sqrt(Math.pow(gradient.cx, 2) + Math.pow(gradient.cy, 2)); - tr = Math.sqrt(Math.pow(gradient.cx, 2) + Math.pow(gradient.y1 - gradient.cy, 2)); - br = Math.sqrt(Math.pow(gradient.x1 - gradient.cx, 2) + Math.pow(gradient.y1 - gradient.cy, 2)); - bl = Math.sqrt(Math.pow(gradient.x1 - gradient.cx, 2) + Math.pow(gradient.cy, 2)); - gradient.rx = gradient.ry = Math.min(tl, tr, br, bl); - break; - case 'farthest-side': - if(m2[0] === 'circle'){ - gradient.rx = gradient.ry = Math.max( - gradient.cx, - gradient.cy, - gradient.x1 - gradient.cx, - gradient.y1 - gradient.cy - ); - } else { // ellipse - - gradient.type = m2[0]; - - gradient.rx = Math.max( - gradient.cx, - gradient.x1 - gradient.cx - ); - gradient.ry = Math.max( - gradient.cy, - gradient.y1 - gradient.cy - ); - } - break; - case 'closest-side': - case 'contain': // is equivalent to closest-side - if(m2[0] === 'circle'){ - gradient.rx = gradient.ry = Math.min( - gradient.cx, - gradient.cy, - gradient.x1 - gradient.cx, - gradient.y1 - gradient.cy - ); - } else { // ellipse - - gradient.type = m2[0]; - - gradient.rx = Math.min( - gradient.cx, - gradient.x1 - gradient.cx - ); - gradient.ry = Math.min( - gradient.cy, - gradient.y1 - gradient.cy - ); - } - break; - - // TODO: add support for "30px 40px" sizes (webkit only) - } - } - - // color stops - m2 = m1[5].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)(?:\s\d{1,3}(?:%|px))?)+/g); - if(m2){ - m2Len = m2.length; - step = 1 / Math.max(m2Len - 1, 1); - for(i = 0; i < m2Len; i+=1){ - m3 = m2[i].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\s*(\d{1,3})?(%|px)?/); - if(m3[2]){ - stop = parseFloat(m3[2]); - if(m3[3] === '%'){ - stop /= 100; - } else { // px - stupid opera - stop /= bounds.width; - } - } else { - stop = i * step; - } - gradient.colorStops.push({ - color: m3[1], - stop: stop - }); - } - } - break; - } - } - - return gradient; - }; - - function addScrollStops(grad) { - return function(colorStop) { - try { - grad.addColorStop(colorStop.stop, colorStop.color); - } - catch(e) { - Util.log(['failed to add color stop: ', e, '; tried to add: ', colorStop]); - } - }; - } - - Generate.Gradient = function(src, bounds) { - if(bounds.width === 0 || bounds.height === 0) { - return; - } - - var canvas = document.createElement('canvas'), - ctx = canvas.getContext('2d'), - gradient, grad; - - canvas.width = bounds.width; - canvas.height = bounds.height; - - // TODO: add support for multi defined background gradients - gradient = _html2canvas.Generate.parseGradient(src, bounds); - - if(gradient) { - switch(gradient.type) { - case 'linear': - grad = ctx.createLinearGradient(gradient.x0, gradient.y0, gradient.x1, gradient.y1); - gradient.colorStops.forEach(addScrollStops(grad)); - ctx.fillStyle = grad; - ctx.fillRect(0, 0, bounds.width, bounds.height); - break; - - case 'circle': - grad = ctx.createRadialGradient(gradient.cx, gradient.cy, 0, gradient.cx, gradient.cy, gradient.rx); - gradient.colorStops.forEach(addScrollStops(grad)); - ctx.fillStyle = grad; - ctx.fillRect(0, 0, bounds.width, bounds.height); - break; - - case 'ellipse': - var canvasRadial = document.createElement('canvas'), - ctxRadial = canvasRadial.getContext('2d'), - ri = Math.max(gradient.rx, gradient.ry), - di = ri * 2; - - canvasRadial.width = canvasRadial.height = di; - - grad = ctxRadial.createRadialGradient(gradient.rx, gradient.ry, 0, gradient.rx, gradient.ry, ri); - gradient.colorStops.forEach(addScrollStops(grad)); - - ctxRadial.fillStyle = grad; - ctxRadial.fillRect(0, 0, di, di); - - ctx.fillStyle = gradient.colorStops[gradient.colorStops.length - 1].color; - ctx.fillRect(0, 0, canvas.width, canvas.height); - ctx.drawImage(canvasRadial, gradient.cx - gradient.rx, gradient.cy - gradient.ry, 2 * gradient.rx, 2 * gradient.ry); - break; - } - } - - return canvas; - }; - - Generate.ListAlpha = function(number) { - var tmp = "", - modulus; - - do { - modulus = number % 26; - tmp = String.fromCharCode((modulus) + 64) + tmp; - number = number / 26; - }while((number*26) > 26); - - return tmp; - }; - - Generate.ListRoman = 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 = "", - v, - len = romanArray.length; - - if (number <= 0 || number >= 4000) { - return number; - } - - for (v=0; v < len; v+=1) { - while (number >= decimal[v]) { - number -= decimal[v]; - roman += romanArray[v]; - } - } - - return roman; - }; -})(); -function h2cRenderContext(width, height) { - var storage = []; - return { - storage: storage, - width: width, - height: height, - clip: function() { - storage.push({ - type: "function", - name: "clip", - 'arguments': arguments - }); - }, - translate: function() { - storage.push({ - type: "function", - name: "translate", - 'arguments': arguments - }); - }, - fill: function() { - storage.push({ - type: "function", - name: "fill", - 'arguments': arguments - }); - }, - save: function() { - storage.push({ - type: "function", - name: "save", - 'arguments': arguments - }); - }, - restore: function() { - storage.push({ - type: "function", - name: "restore", - 'arguments': arguments - }); - }, - fillRect: function () { - storage.push({ - type: "function", - name: "fillRect", - 'arguments': arguments - }); - }, - createPattern: function() { - storage.push({ - type: "function", - name: "createPattern", - 'arguments': arguments - }); - }, - drawShape: function() { - - var shape = []; - - storage.push({ - type: "function", - name: "drawShape", - 'arguments': shape - }); - - return { - moveTo: function() { - shape.push({ - name: "moveTo", - 'arguments': arguments - }); - }, - lineTo: function() { - shape.push({ - name: "lineTo", - 'arguments': arguments - }); - }, - arcTo: function() { - shape.push({ - name: "arcTo", - 'arguments': arguments - }); - }, - bezierCurveTo: function() { - shape.push({ - name: "bezierCurveTo", - 'arguments': arguments - }); - }, - quadraticCurveTo: function() { - shape.push({ - name: "quadraticCurveTo", - 'arguments': arguments - }); - } - }; - - }, - drawImage: function () { - storage.push({ - type: "function", - name: "drawImage", - 'arguments': arguments - }); - }, - fillText: function () { - storage.push({ - type: "function", - name: "fillText", - 'arguments': arguments - }); - }, - setVariable: function (variable, value) { - storage.push({ - type: "variable", - name: variable, - 'arguments': value - }); - return value; - } - }; -} -_html2canvas.Parse = function (images, options) { - window.scroll(0,0); - - var element = (( options.elements === undefined ) ? document.body : options.elements[0]), // select body by default - numDraws = 0, - doc = element.ownerDocument, - Util = _html2canvas.Util, - support = Util.Support(options, doc), - ignoreElementsRegExp = new RegExp("(" + options.ignoreElements + ")"), - body = doc.body, - getCSS = Util.getCSS, - pseudoHide = "___html2canvas___pseudoelement", - hidePseudoElements = doc.createElement('style'); - - hidePseudoElements.innerHTML = '.' + pseudoHide + '-before:before { content: "" !important; display: none !important; }' + - '.' + pseudoHide + '-after:after { content: "" !important; display: none !important; }'; - - body.appendChild(hidePseudoElements); - - images = images || {}; - - function documentWidth () { - return Math.max( - Math.max(doc.body.scrollWidth, doc.documentElement.scrollWidth), - Math.max(doc.body.offsetWidth, doc.documentElement.offsetWidth), - Math.max(doc.body.clientWidth, doc.documentElement.clientWidth) - ); - } - - function documentHeight () { - return Math.max( - Math.max(doc.body.scrollHeight, doc.documentElement.scrollHeight), - Math.max(doc.body.offsetHeight, doc.documentElement.offsetHeight), - Math.max(doc.body.clientHeight, doc.documentElement.clientHeight) - ); - } - - function getCSSInt(element, attribute) { - var val = parseInt(getCSS(element, attribute), 10); - return (isNaN(val)) ? 0 : val; // borders in old IE are throwing 'medium' for demo.html - } - - function renderRect (ctx, x, y, w, h, bgcolor) { - if (bgcolor !== "transparent"){ - ctx.setVariable("fillStyle", bgcolor); - ctx.fillRect(x, y, w, h); - numDraws+=1; - } - } - - function capitalize(m, p1, p2) { - if (m.length > 0) { - return p1 + p2.toUpperCase(); - } - } - - function textTransform (text, transform) { - switch(transform){ - case "lowercase": - return text.toLowerCase(); - case "capitalize": - return text.replace( /(^|\s|:|-|\(|\))([a-z])/g, capitalize); - case "uppercase": - return text.toUpperCase(); - default: - return text; - } - } - - function noLetterSpacing(letter_spacing) { - return (/^(normal|none|0px)$/.test(letter_spacing)); - } - - function drawText(currentText, x, y, ctx){ - if (currentText !== null && Util.trimText(currentText).length > 0) { - ctx.fillText(currentText, x, y); - numDraws+=1; - } - } - - function setTextVariables(ctx, el, text_decoration, color) { - var align = false, - bold = getCSS(el, "fontWeight"), - family = getCSS(el, "fontFamily"), - size = getCSS(el, "fontSize"), - shadows = Util.parseTextShadows(getCSS(el, "textShadow")); - - switch(parseInt(bold, 10)){ - case 401: - bold = "bold"; - break; - case 400: - bold = "normal"; - break; - } - - ctx.setVariable("fillStyle", color); - ctx.setVariable("font", [getCSS(el, "fontStyle"), getCSS(el, "fontVariant"), bold, size, family].join(" ")); - ctx.setVariable("textAlign", (align) ? "right" : "left"); - - if (shadows.length) { - // TODO: support multiple text shadows - // apply the first text shadow - ctx.setVariable("shadowColor", shadows[0].color); - ctx.setVariable("shadowOffsetX", shadows[0].offsetX); - ctx.setVariable("shadowOffsetY", shadows[0].offsetY); - ctx.setVariable("shadowBlur", shadows[0].blur); - } - - if (text_decoration !== "none"){ - return Util.Font(family, size, doc); - } - } - - function renderTextDecoration(ctx, text_decoration, bounds, metrics, color) { - 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 - renderRect(ctx, bounds.left, Math.round(bounds.top + metrics.baseline + metrics.lineWidth), bounds.width, 1, color); - break; - case "overline": - renderRect(ctx, bounds.left, Math.round(bounds.top), bounds.width, 1, color); - break; - case "line-through": - // TODO try and find exact position for line-through - renderRect(ctx, bounds.left, Math.ceil(bounds.top + metrics.middle + metrics.lineWidth), bounds.width, 1, color); - break; - } - } - - function getTextBounds(state, text, textDecoration, isLast, transform) { - var bounds; - if (support.rangeBounds && !transform) { - if (textDecoration !== "none" || Util.trimText(text).length !== 0) { - bounds = textRangeBounds(text, state.node, state.textOffset); - } - state.textOffset += text.length; - } else if (state.node && typeof state.node.nodeValue === "string" ){ - var newTextNode = (isLast) ? state.node.splitText(text.length) : null; - bounds = textWrapperBounds(state.node, transform); - state.node = newTextNode; - } - return bounds; - } - - function textRangeBounds(text, textNode, textOffset) { - var range = doc.createRange(); - range.setStart(textNode, textOffset); - range.setEnd(textNode, textOffset + text.length); - return range.getBoundingClientRect(); - } - - function textWrapperBounds(oldTextNode, transform) { - var parent = oldTextNode.parentNode, - wrapElement = doc.createElement('wrapper'), - backupText = oldTextNode.cloneNode(true); - - wrapElement.appendChild(oldTextNode.cloneNode(true)); - parent.replaceChild(wrapElement, oldTextNode); - - var bounds = transform ? Util.OffsetBounds(wrapElement) : Util.Bounds(wrapElement); - parent.replaceChild(backupText, wrapElement); - return bounds; - } - - function renderText(el, textNode, stack) { - var ctx = stack.ctx, - color = getCSS(el, "color"), - textDecoration = getCSS(el, "textDecoration"), - textAlign = getCSS(el, "textAlign"), - metrics, - textList, - state = { - node: textNode, - textOffset: 0 - }; - - if (Util.trimText(textNode.nodeValue).length > 0) { - textNode.nodeValue = textTransform(textNode.nodeValue, getCSS(el, "textTransform")); - textAlign = textAlign.replace(["-webkit-auto"],["auto"]); - - textList = (!options.letterRendering && /^(left|right|justify|auto)$/.test(textAlign) && noLetterSpacing(getCSS(el, "letterSpacing"))) ? - textNode.nodeValue.split(/(\b| )/) - : textNode.nodeValue.split(""); - - metrics = setTextVariables(ctx, el, textDecoration, color); - - if (options.chinese) { - textList.forEach(function(word, index) { - if (/.*[\u4E00-\u9FA5].*$/.test(word)) { - word = word.split(""); - word.unshift(index, 1); - textList.splice.apply(textList, word); - } - }); - } - - textList.forEach(function(text, index) { - var bounds = getTextBounds(state, text, textDecoration, (index < textList.length - 1), stack.transform.matrix); - if (bounds) { - drawText(text, bounds.left, bounds.bottom, ctx); - renderTextDecoration(ctx, textDecoration, bounds, metrics, color); - } - }); - } - } - - function listPosition (element, val) { - var boundElement = doc.createElement( "boundelement" ), - originalType, - bounds; - - boundElement.style.display = "inline"; - - originalType = element.style.listStyleType; - element.style.listStyleType = "none"; - - boundElement.appendChild(doc.createTextNode(val)); - - element.insertBefore(boundElement, element.firstChild); - - bounds = Util.Bounds(boundElement); - element.removeChild(boundElement); - element.style.listStyleType = originalType; - return bounds; - } - - function elementIndex(el) { - var i = -1, - count = 1, - childs = el.parentNode.childNodes; - - if (el.parentNode) { - while(childs[++i] !== el) { - if (childs[i].nodeType === 1) { - count++; - } - } - return count; - } else { - return -1; - } - } - - function listItemText(element, type) { - var currentIndex = elementIndex(element), text; - switch(type){ - case "decimal": - text = currentIndex; - break; - case "decimal-leading-zero": - text = (currentIndex.toString().length === 1) ? currentIndex = "0" + currentIndex.toString() : currentIndex.toString(); - break; - case "upper-roman": - text = _html2canvas.Generate.ListRoman( currentIndex ); - break; - case "lower-roman": - text = _html2canvas.Generate.ListRoman( currentIndex ).toLowerCase(); - break; - case "lower-alpha": - text = _html2canvas.Generate.ListAlpha( currentIndex ).toLowerCase(); - break; - case "upper-alpha": - text = _html2canvas.Generate.ListAlpha( currentIndex ); - break; - } - - return text + ". "; - } - - function renderListItem(element, stack, elBounds) { - var x, - text, - ctx = stack.ctx, - type = getCSS(element, "listStyleType"), - listBounds; - - if (/^(decimal|decimal-leading-zero|upper-alpha|upper-latin|upper-roman|lower-alpha|lower-greek|lower-latin|lower-roman)$/i.test(type)) { - text = listItemText(element, type); - listBounds = listPosition(element, text); - setTextVariables(ctx, element, "none", getCSS(element, "color")); - - if (getCSS(element, "listStylePosition") === "inside") { - ctx.setVariable("textAlign", "left"); - x = elBounds.left; - } else { - return; - } - - drawText(text, x, listBounds.bottom, ctx); - } - } - - function loadImage (src){ - var img = images[src]; - return (img && img.succeeded === true) ? img.img : false; - } - - function clipBounds(src, dst){ - var x = Math.max(src.left, dst.left), - y = Math.max(src.top, dst.top), - x2 = Math.min((src.left + src.width), (dst.left + dst.width)), - y2 = Math.min((src.top + src.height), (dst.top + dst.height)); - - return { - left:x, - top:y, - width:x2-x, - height:y2-y - }; - } - - function setZ(element, stack, parentStack){ - var newContext, - isPositioned = stack.cssPosition !== 'static', - zIndex = isPositioned ? getCSS(element, 'zIndex') : 'auto', - opacity = getCSS(element, 'opacity'), - isFloated = getCSS(element, 'cssFloat') !== 'none'; - - // https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Understanding_z_index/The_stacking_context - // When a new stacking context should be created: - // the root element (HTML), - // positioned (absolutely or relatively) with a z-index value other than "auto", - // elements with an opacity value less than 1. (See the specification for opacity), - // on mobile WebKit and Chrome 22+, position: fixed always creates a new stacking context, even when z-index is "auto" (See this post) - - stack.zIndex = newContext = h2czContext(zIndex); - newContext.isPositioned = isPositioned; - newContext.isFloated = isFloated; - newContext.opacity = opacity; - newContext.ownStacking = (zIndex !== 'auto' || opacity < 1); - - if (parentStack) { - parentStack.zIndex.children.push(stack); - } - } - - function renderImage(ctx, element, image, bounds, borders) { - - var paddingLeft = getCSSInt(element, 'paddingLeft'), - paddingTop = getCSSInt(element, 'paddingTop'), - paddingRight = getCSSInt(element, 'paddingRight'), - paddingBottom = getCSSInt(element, 'paddingBottom'); - - drawImage( - ctx, - image, - 0, //sx - 0, //sy - image.width, //sw - image.height, //sh - bounds.left + paddingLeft + borders[3].width, //dx - bounds.top + paddingTop + borders[0].width, // dy - bounds.width - (borders[1].width + borders[3].width + paddingLeft + paddingRight), //dw - bounds.height - (borders[0].width + borders[2].width + paddingTop + paddingBottom) //dh - ); - } - - function getBorderData(element) { - return ["Top", "Right", "Bottom", "Left"].map(function(side) { - return { - width: getCSSInt(element, 'border' + side + 'Width'), - color: getCSS(element, 'border' + side + 'Color') - }; - }); - } - - function getBorderRadiusData(element) { - return ["TopLeft", "TopRight", "BottomRight", "BottomLeft"].map(function(side) { - return getCSS(element, 'border' + side + 'Radius'); - }); - } - - var getCurvePoints = (function(kappa) { - - return function(x, y, r1, r2) { - var ox = (r1) * kappa, // control point offset horizontal - oy = (r2) * kappa, // control point offset vertical - xm = x + r1, // x-middle - ym = y + r2; // y-middle - return { - topLeft: bezierCurve({ - x:x, - y:ym - }, { - x:x, - y:ym - oy - }, { - x:xm - ox, - y:y - }, { - x:xm, - y:y - }), - topRight: bezierCurve({ - x:x, - y:y - }, { - x:x + ox, - y:y - }, { - x:xm, - y:ym - oy - }, { - x:xm, - y:ym - }), - bottomRight: bezierCurve({ - x:xm, - y:y - }, { - x:xm, - y:y + oy - }, { - x:x + ox, - y:ym - }, { - x:x, - y:ym - }), - bottomLeft: bezierCurve({ - x:xm, - y:ym - }, { - x:xm - ox, - y:ym - }, { - x:x, - y:y + oy - }, { - x:x, - y:y - }) - }; - }; - })(4 * ((Math.sqrt(2) - 1) / 3)); - - function bezierCurve(start, startControl, endControl, end) { - - var lerp = function (a, b, t) { - return { - x:a.x + (b.x - a.x) * t, - y:a.y + (b.y - a.y) * t - }; - }; - - return { - start: start, - startControl: startControl, - endControl: endControl, - end: end, - subdivide: function(t) { - var ab = lerp(start, startControl, t), - bc = lerp(startControl, endControl, t), - cd = lerp(endControl, end, t), - abbc = lerp(ab, bc, t), - bccd = lerp(bc, cd, t), - dest = lerp(abbc, bccd, t); - return [bezierCurve(start, ab, abbc, dest), bezierCurve(dest, bccd, cd, end)]; - }, - curveTo: function(borderArgs) { - borderArgs.push(["bezierCurve", startControl.x, startControl.y, endControl.x, endControl.y, end.x, end.y]); - }, - curveToReversed: function(borderArgs) { - borderArgs.push(["bezierCurve", endControl.x, endControl.y, startControl.x, startControl.y, start.x, start.y]); - } - }; - } - - function parseCorner(borderArgs, radius1, radius2, corner1, corner2, x, y) { - if (radius1[0] > 0 || radius1[1] > 0) { - borderArgs.push(["line", corner1[0].start.x, corner1[0].start.y]); - corner1[0].curveTo(borderArgs); - corner1[1].curveTo(borderArgs); - } else { - borderArgs.push(["line", x, y]); - } - - if (radius2[0] > 0 || radius2[1] > 0) { - borderArgs.push(["line", corner2[0].start.x, corner2[0].start.y]); - } - } - - function drawSide(borderData, radius1, radius2, outer1, inner1, outer2, inner2) { - var borderArgs = []; - - if (radius1[0] > 0 || radius1[1] > 0) { - borderArgs.push(["line", outer1[1].start.x, outer1[1].start.y]); - outer1[1].curveTo(borderArgs); - } else { - borderArgs.push([ "line", borderData.c1[0], borderData.c1[1]]); - } - - if (radius2[0] > 0 || radius2[1] > 0) { - borderArgs.push(["line", outer2[0].start.x, outer2[0].start.y]); - outer2[0].curveTo(borderArgs); - borderArgs.push(["line", inner2[0].end.x, inner2[0].end.y]); - inner2[0].curveToReversed(borderArgs); - } else { - borderArgs.push([ "line", borderData.c2[0], borderData.c2[1]]); - borderArgs.push([ "line", borderData.c3[0], borderData.c3[1]]); - } - - if (radius1[0] > 0 || radius1[1] > 0) { - borderArgs.push(["line", inner1[1].end.x, inner1[1].end.y]); - inner1[1].curveToReversed(borderArgs); - } else { - borderArgs.push([ "line", borderData.c4[0], borderData.c4[1]]); - } - - return borderArgs; - } - - function calculateCurvePoints(bounds, borderRadius, borders) { - - var x = bounds.left, - y = bounds.top, - width = bounds.width, - height = bounds.height, - - tlh = borderRadius[0][0], - tlv = borderRadius[0][1], - trh = borderRadius[1][0], - trv = borderRadius[1][1], - brh = borderRadius[2][0], - brv = borderRadius[2][1], - blh = borderRadius[3][0], - blv = borderRadius[3][1], - - topWidth = width - trh, - rightHeight = height - brv, - bottomWidth = width - brh, - leftHeight = height - blv; - - return { - topLeftOuter: getCurvePoints( - x, - y, - tlh, - tlv - ).topLeft.subdivide(0.5), - - topLeftInner: getCurvePoints( - x + borders[3].width, - y + borders[0].width, - Math.max(0, tlh - borders[3].width), - Math.max(0, tlv - borders[0].width) - ).topLeft.subdivide(0.5), - - topRightOuter: getCurvePoints( - x + topWidth, - y, - trh, - trv - ).topRight.subdivide(0.5), - - topRightInner: getCurvePoints( - x + Math.min(topWidth, width + borders[3].width), - y + borders[0].width, - (topWidth > width + borders[3].width) ? 0 :trh - borders[3].width, - trv - borders[0].width - ).topRight.subdivide(0.5), - - bottomRightOuter: getCurvePoints( - x + bottomWidth, - y + rightHeight, - brh, - brv - ).bottomRight.subdivide(0.5), - - bottomRightInner: getCurvePoints( - x + Math.min(bottomWidth, width + borders[3].width), - y + Math.min(rightHeight, height + borders[0].width), - Math.max(0, brh - borders[1].width), - Math.max(0, brv - borders[2].width) - ).bottomRight.subdivide(0.5), - - bottomLeftOuter: getCurvePoints( - x, - y + leftHeight, - blh, - blv - ).bottomLeft.subdivide(0.5), - - bottomLeftInner: getCurvePoints( - x + borders[3].width, - y + leftHeight, - Math.max(0, blh - borders[3].width), - Math.max(0, blv - borders[2].width) - ).bottomLeft.subdivide(0.5) - }; - } - - function getBorderClip(element, borderPoints, borders, radius, bounds) { - var backgroundClip = getCSS(element, 'backgroundClip'), - borderArgs = []; - - switch(backgroundClip) { - case "content-box": - case "padding-box": - parseCorner(borderArgs, radius[0], radius[1], borderPoints.topLeftInner, borderPoints.topRightInner, bounds.left + borders[3].width, bounds.top + borders[0].width); - parseCorner(borderArgs, radius[1], radius[2], borderPoints.topRightInner, borderPoints.bottomRightInner, bounds.left + bounds.width - borders[1].width, bounds.top + borders[0].width); - parseCorner(borderArgs, radius[2], radius[3], borderPoints.bottomRightInner, borderPoints.bottomLeftInner, bounds.left + bounds.width - borders[1].width, bounds.top + bounds.height - borders[2].width); - parseCorner(borderArgs, radius[3], radius[0], borderPoints.bottomLeftInner, borderPoints.topLeftInner, bounds.left + borders[3].width, bounds.top + bounds.height - borders[2].width); - break; - - default: - parseCorner(borderArgs, radius[0], radius[1], borderPoints.topLeftOuter, borderPoints.topRightOuter, bounds.left, bounds.top); - parseCorner(borderArgs, radius[1], radius[2], borderPoints.topRightOuter, borderPoints.bottomRightOuter, bounds.left + bounds.width, bounds.top); - parseCorner(borderArgs, radius[2], radius[3], borderPoints.bottomRightOuter, borderPoints.bottomLeftOuter, bounds.left + bounds.width, bounds.top + bounds.height); - parseCorner(borderArgs, radius[3], radius[0], borderPoints.bottomLeftOuter, borderPoints.topLeftOuter, bounds.left, bounds.top + bounds.height); - break; - } - - return borderArgs; - } - - function parseBorders(element, bounds, borders){ - var x = bounds.left, - y = bounds.top, - width = bounds.width, - height = bounds.height, - borderSide, - bx, - by, - bw, - bh, - borderArgs, - // http://www.w3.org/TR/css3-background/#the-border-radius - borderRadius = getBorderRadiusData(element), - borderPoints = calculateCurvePoints(bounds, borderRadius, borders), - borderData = { - clip: getBorderClip(element, borderPoints, borders, borderRadius, bounds), - borders: [] - }; - - for (borderSide = 0; borderSide < 4; borderSide++) { - - if (borders[borderSide].width > 0) { - bx = x; - by = y; - bw = width; - bh = height - (borders[2].width); - - switch(borderSide) { - case 0: - // top border - bh = borders[0].width; - - borderArgs = drawSide({ - c1: [bx, by], - c2: [bx + bw, by], - c3: [bx + bw - borders[1].width, by + bh], - c4: [bx + borders[3].width, by + bh] - }, borderRadius[0], borderRadius[1], - borderPoints.topLeftOuter, borderPoints.topLeftInner, borderPoints.topRightOuter, borderPoints.topRightInner); - break; - case 1: - // right border - bx = x + width - (borders[1].width); - bw = borders[1].width; - - borderArgs = drawSide({ - c1: [bx + bw, by], - c2: [bx + bw, by + bh + borders[2].width], - c3: [bx, by + bh], - c4: [bx, by + borders[0].width] - }, borderRadius[1], borderRadius[2], - borderPoints.topRightOuter, borderPoints.topRightInner, borderPoints.bottomRightOuter, borderPoints.bottomRightInner); - break; - case 2: - // bottom border - by = (by + height) - (borders[2].width); - bh = borders[2].width; - - borderArgs = drawSide({ - c1: [bx + bw, by + bh], - c2: [bx, by + bh], - c3: [bx + borders[3].width, by], - c4: [bx + bw - borders[3].width, by] - }, borderRadius[2], borderRadius[3], - borderPoints.bottomRightOuter, borderPoints.bottomRightInner, borderPoints.bottomLeftOuter, borderPoints.bottomLeftInner); - break; - case 3: - // left border - bw = borders[3].width; - - borderArgs = drawSide({ - c1: [bx, by + bh + borders[2].width], - c2: [bx, by], - c3: [bx + bw, by + borders[0].width], - c4: [bx + bw, by + bh] - }, borderRadius[3], borderRadius[0], - borderPoints.bottomLeftOuter, borderPoints.bottomLeftInner, borderPoints.topLeftOuter, borderPoints.topLeftInner); - break; - } - - borderData.borders.push({ - args: borderArgs, - color: borders[borderSide].color - }); - - } - } - - return borderData; - } - - function createShape(ctx, args) { - var shape = ctx.drawShape(); - args.forEach(function(border, index) { - shape[(index === 0) ? "moveTo" : border[0] + "To" ].apply(null, border.slice(1)); - }); - return shape; - } - - function renderBorders(ctx, borderArgs, color) { - if (color !== "transparent") { - ctx.setVariable( "fillStyle", color); - createShape(ctx, borderArgs); - ctx.fill(); - numDraws+=1; - } - } - - function renderFormValue (el, bounds, stack){ - - var valueWrap = doc.createElement('valuewrap'), - cssPropertyArray = ['lineHeight','textAlign','fontFamily','color','fontSize','paddingLeft','paddingTop','width','height','border','borderLeftWidth','borderTopWidth'], - textValue, - textNode; - - cssPropertyArray.forEach(function(property) { - try { - valueWrap.style[property] = getCSS(el, property); - } catch(e) { - // Older IE has issues with "border" - Util.log("html2canvas: Parse: Exception caught in renderFormValue: " + e.message); - } - }); - - valueWrap.style.borderColor = "black"; - valueWrap.style.borderStyle = "solid"; - valueWrap.style.display = "block"; - valueWrap.style.position = "absolute"; - - if (/^(submit|reset|button|text|password)$/.test(el.type) || el.nodeName === "SELECT"){ - valueWrap.style.lineHeight = getCSS(el, "height"); - } - - valueWrap.style.top = bounds.top + "px"; - valueWrap.style.left = bounds.left + "px"; - - textValue = (el.nodeName === "SELECT") ? (el.options[el.selectedIndex] || 0).text : el.value; - if(!textValue) { - textValue = el.placeholder; - } - - textNode = doc.createTextNode(textValue); - - valueWrap.appendChild(textNode); - body.appendChild(valueWrap); - - renderText(el, textNode, stack); - body.removeChild(valueWrap); - } - - function drawImage (ctx) { - ctx.drawImage.apply(ctx, Array.prototype.slice.call(arguments, 1)); - numDraws+=1; - } - - function getPseudoElement(el, which) { - var elStyle = window.getComputedStyle(el, which); - if(!elStyle || !elStyle.content || elStyle.content === "none" || elStyle.content === "-moz-alt-content" || elStyle.display === "none") { - return; - } - var content = elStyle.content + '', - first = content.substr( 0, 1 ); - //strips quotes - if(first === content.substr( content.length - 1 ) && first.match(/'|"/)) { - content = content.substr( 1, content.length - 2 ); - } - - var isImage = content.substr( 0, 3 ) === 'url', - elps = document.createElement( isImage ? 'img' : 'span' ); - - elps.className = pseudoHide + "-before " + pseudoHide + "-after"; - - Object.keys(elStyle).filter(indexedProperty).forEach(function(prop) { - // Prevent assigning of read only CSS Rules, ex. length, parentRule - try { - elps.style[prop] = elStyle[prop]; - } catch (e) { - Util.log(['Tried to assign readonly property ', prop, 'Error:', e]); - } - }); - - if(isImage) { - elps.src = Util.parseBackgroundImage(content)[0].args[0]; - } else { - elps.innerHTML = content; - } - return elps; - } - - function indexedProperty(property) { - return (isNaN(window.parseInt(property, 10))); - } - - function injectPseudoElements(el, stack) { - var before = getPseudoElement(el, ':before'), - after = getPseudoElement(el, ':after'); - if(!before && !after) { - return; - } - - if(before) { - el.className += " " + pseudoHide + "-before"; - el.parentNode.insertBefore(before, el); - parseElement(before, stack, true); - el.parentNode.removeChild(before); - el.className = el.className.replace(pseudoHide + "-before", "").trim(); - } - - if (after) { - el.className += " " + pseudoHide + "-after"; - el.appendChild(after); - parseElement(after, stack, true); - el.removeChild(after); - el.className = el.className.replace(pseudoHide + "-after", "").trim(); - } - - } - - function renderBackgroundRepeat(ctx, image, backgroundPosition, bounds) { - var offsetX = Math.round(bounds.left + backgroundPosition.left), - offsetY = Math.round(bounds.top + backgroundPosition.top); - - ctx.createPattern(image); - ctx.translate(offsetX, offsetY); - ctx.fill(); - ctx.translate(-offsetX, -offsetY); - } - - function backgroundRepeatShape(ctx, image, backgroundPosition, bounds, left, top, width, height) { - var args = []; - args.push(["line", Math.round(left), Math.round(top)]); - args.push(["line", Math.round(left + width), Math.round(top)]); - args.push(["line", Math.round(left + width), Math.round(height + top)]); - args.push(["line", Math.round(left), Math.round(height + top)]); - createShape(ctx, args); - ctx.save(); - ctx.clip(); - renderBackgroundRepeat(ctx, image, backgroundPosition, bounds); - ctx.restore(); - } - - function renderBackgroundColor(ctx, backgroundBounds, bgcolor) { - renderRect( - ctx, - backgroundBounds.left, - backgroundBounds.top, - backgroundBounds.width, - backgroundBounds.height, - bgcolor - ); - } - - function renderBackgroundRepeating(el, bounds, ctx, image, imageIndex) { - var backgroundSize = Util.BackgroundSize(el, bounds, image, imageIndex), - backgroundPosition = Util.BackgroundPosition(el, bounds, image, imageIndex, backgroundSize), - backgroundRepeat = getCSS(el, "backgroundRepeat").split(",").map(Util.trimText); - - image = resizeImage(image, backgroundSize); - - backgroundRepeat = backgroundRepeat[imageIndex] || backgroundRepeat[0]; - - switch (backgroundRepeat) { - case "repeat-x": - backgroundRepeatShape(ctx, image, backgroundPosition, bounds, - bounds.left, bounds.top + backgroundPosition.top, 99999, image.height); - break; - - case "repeat-y": - backgroundRepeatShape(ctx, image, backgroundPosition, bounds, - bounds.left + backgroundPosition.left, bounds.top, image.width, 99999); - break; - - case "no-repeat": - backgroundRepeatShape(ctx, image, backgroundPosition, bounds, - bounds.left + backgroundPosition.left, bounds.top + backgroundPosition.top, image.width, image.height); - break; - - default: - renderBackgroundRepeat(ctx, image, backgroundPosition, { - top: bounds.top, - left: bounds.left, - width: image.width, - height: image.height - }); - break; - } - } - - function renderBackgroundImage(element, bounds, ctx) { - var backgroundImage = getCSS(element, "backgroundImage"), - backgroundImages = Util.parseBackgroundImage(backgroundImage), - image, - imageIndex = backgroundImages.length; - - while(imageIndex--) { - backgroundImage = backgroundImages[imageIndex]; - - if (!backgroundImage.args || backgroundImage.args.length === 0) { - continue; - } - - var key = backgroundImage.method === 'url' ? - backgroundImage.args[0] : - backgroundImage.value; - - image = loadImage(key); - - // TODO add support for background-origin - if (image) { - renderBackgroundRepeating(element, bounds, ctx, image, imageIndex); - } else { - Util.log("html2canvas: Error loading background:", backgroundImage); - } - } - } - - function resizeImage(image, bounds) { - if(image.width === bounds.width && image.height === bounds.height) { - return image; - } - - var ctx, canvas = doc.createElement('canvas'); - canvas.width = bounds.width; - canvas.height = bounds.height; - ctx = canvas.getContext("2d"); - drawImage(ctx, image, 0, 0, image.width, image.height, 0, 0, bounds.width, bounds.height ); - return canvas; - } - - function setOpacity(ctx, element, parentStack) { - return ctx.setVariable("globalAlpha", getCSS(element, "opacity") * ((parentStack) ? parentStack.opacity : 1)); - } - - function removePx(str) { - return str.replace("px", ""); - } - - var transformRegExp = /(matrix)\((.+)\)/; - - function getTransform(element, parentStack) { - var transform = getCSS(element, "transform") || getCSS(element, "-webkit-transform") || getCSS(element, "-moz-transform") || getCSS(element, "-ms-transform") || getCSS(element, "-o-transform"); - var transformOrigin = getCSS(element, "transform-origin") || getCSS(element, "-webkit-transform-origin") || getCSS(element, "-moz-transform-origin") || getCSS(element, "-ms-transform-origin") || getCSS(element, "-o-transform-origin") || "0px 0px"; - - transformOrigin = transformOrigin.split(" ").map(removePx).map(Util.asFloat); - - var matrix; - if (transform && transform !== "none") { - var match = transform.match(transformRegExp); - if (match) { - switch(match[1]) { - case "matrix": - matrix = match[2].split(",").map(Util.trimText).map(Util.asFloat); - break; - } - } - } - - return { - origin: transformOrigin, - matrix: matrix - }; - } - - function createStack(element, parentStack, bounds, transform) { - var ctx = h2cRenderContext((!parentStack) ? documentWidth() : bounds.width , (!parentStack) ? documentHeight() : bounds.height), - stack = { - ctx: ctx, - opacity: setOpacity(ctx, element, parentStack), - cssPosition: getCSS(element, "position"), - borders: getBorderData(element), - transform: transform, - clip: (parentStack && parentStack.clip) ? Util.Extend( {}, parentStack.clip ) : null - }; - - setZ(element, stack, parentStack); - - // TODO correct overflow for absolute content residing under a static position - if (options.useOverflow === true && /(hidden|scroll|auto)/.test(getCSS(element, "overflow")) === true && /(BODY)/i.test(element.nodeName) === false){ - stack.clip = (stack.clip) ? clipBounds(stack.clip, bounds) : bounds; - } - - return stack; - } - - function getBackgroundBounds(borders, bounds, clip) { - var backgroundBounds = { - left: bounds.left + borders[3].width, - top: bounds.top + borders[0].width, - width: bounds.width - (borders[1].width + borders[3].width), - height: bounds.height - (borders[0].width + borders[2].width) - }; - - if (clip) { - backgroundBounds = clipBounds(backgroundBounds, clip); - } - - return backgroundBounds; - } - - function getBounds(element, transform) { - var bounds = (transform.matrix) ? Util.OffsetBounds(element) : Util.Bounds(element); - transform.origin[0] += bounds.left; - transform.origin[1] += bounds.top; - return bounds; - } - - function renderElement(element, parentStack, pseudoElement, ignoreBackground) { - var transform = getTransform(element, parentStack), - bounds = getBounds(element, transform), - image, - stack = createStack(element, parentStack, bounds, transform), - borders = stack.borders, - ctx = stack.ctx, - backgroundBounds = getBackgroundBounds(borders, bounds, stack.clip), - borderData = parseBorders(element, bounds, borders), - backgroundColor = (ignoreElementsRegExp.test(element.nodeName)) ? "#efefef" : getCSS(element, "backgroundColor"); - - - createShape(ctx, borderData.clip); - - ctx.save(); - ctx.clip(); - - if (backgroundBounds.height > 0 && backgroundBounds.width > 0 && !ignoreBackground) { - renderBackgroundColor(ctx, bounds, backgroundColor); - renderBackgroundImage(element, backgroundBounds, ctx); - } else if (ignoreBackground) { - stack.backgroundColor = backgroundColor; - } - - ctx.restore(); - - borderData.borders.forEach(function(border) { - renderBorders(ctx, border.args, border.color); - }); - - if (!pseudoElement) { - injectPseudoElements(element, stack); - } - - switch(element.nodeName){ - case "IMG": - if ((image = loadImage(element.getAttribute('src')))) { - renderImage(ctx, element, image, bounds, borders); - } else { - Util.log("html2canvas: Error loading :" + element.getAttribute('src')); - } - break; - case "INPUT": - // TODO add all relevant type's, i.e. HTML5 new stuff - // todo add support for placeholder attribute for browsers which support it - if (/^(text|url|email|submit|button|reset)$/.test(element.type) && (element.value || element.placeholder || "").length > 0){ - renderFormValue(element, bounds, stack); - } - break; - case "TEXTAREA": - if ((element.value || element.placeholder || "").length > 0){ - renderFormValue(element, bounds, stack); - } - break; - case "SELECT": - if ((element.options||element.placeholder || "").length > 0){ - renderFormValue(element, bounds, stack); - } - break; - case "LI": - renderListItem(element, stack, backgroundBounds); - break; - case "CANVAS": - renderImage(ctx, element, element, bounds, borders); - break; - } - - return stack; - } - - function isElementVisible(element) { - return (getCSS(element, 'display') !== "none" && getCSS(element, 'visibility') !== "hidden" && !element.hasAttribute("data-html2canvas-ignore")); - } - - function parseElement (element, stack, pseudoElement) { - if (isElementVisible(element)) { - stack = renderElement(element, stack, pseudoElement, false) || stack; - if (!ignoreElementsRegExp.test(element.nodeName)) { - parseChildren(element, stack, pseudoElement); - } - } - } - - function parseChildren(element, stack, pseudoElement) { - Util.Children(element).forEach(function(node) { - if (node.nodeType === node.ELEMENT_NODE) { - parseElement(node, stack, pseudoElement); - } else if (node.nodeType === node.TEXT_NODE) { - renderText(element, node, stack); - } - }); - } - - function init() { - var background = getCSS(document.documentElement, "backgroundColor"), - transparentBackground = (Util.isTransparent(background) && element === document.body), - stack = renderElement(element, null, false, transparentBackground); - parseChildren(element, stack); - - if (transparentBackground) { - background = stack.backgroundColor; - } - - body.removeChild(hidePseudoElements); - return { - backgroundColor: background, - stack: stack - }; - } - - return init(); -}; - -function h2czContext(zindex) { - return { - zindex: zindex, - children: [] - }; -} - -_html2canvas.Preload = function( options ) { - - var images = { - numLoaded: 0, // also failed are counted here - numFailed: 0, - numTotal: 0, - cleanupDone: false - }, - pageOrigin, - Util = _html2canvas.Util, - methods, - i, - count = 0, - element = options.elements[0] || document.body, - doc = element.ownerDocument, - domImages = element.getElementsByTagName('img'), // Fetch images of the present element only - imgLen = domImages.length, - link = doc.createElement("a"), - supportCORS = (function( img ){ - return (img.crossOrigin !== undefined); - })(new Image()), - timeoutTimer; - - link.href = window.location.href; - pageOrigin = link.protocol + link.host; - - function isSameOrigin(url){ - link.href = url; - link.href = link.href; // YES, BELIEVE IT OR NOT, that is required for IE9 - http://jsfiddle.net/niklasvh/2e48b/ - var origin = link.protocol + link.host; - return (origin === pageOrigin); - } - - function start(){ - Util.log("html2canvas: start: images: " + images.numLoaded + " / " + images.numTotal + " (failed: " + images.numFailed + ")"); - if (!images.firstRun && images.numLoaded >= images.numTotal){ - Util.log("Finished loading images: # " + images.numTotal + " (failed: " + images.numFailed + ")"); - - if (typeof options.complete === "function"){ - options.complete(images); - } - - } - } - - // TODO modify proxy to serve images with CORS enabled, where available - function proxyGetImage(url, img, imageObj){ - var callback_name, - scriptUrl = options.proxy, - script; - - link.href = url; - url = link.href; // work around for pages with base href="" set - WARNING: this may change the url - - callback_name = 'html2canvas_' + (count++); - imageObj.callbackname = callback_name; - - if (scriptUrl.indexOf("?") > -1) { - scriptUrl += "&"; - } else { - scriptUrl += "?"; - } - scriptUrl += 'url=' + encodeURIComponent(url) + '&callback=' + callback_name; - script = doc.createElement("script"); - - window[callback_name] = function(a){ - if (a.substring(0,6) === "error:"){ - imageObj.succeeded = false; - images.numLoaded++; - images.numFailed++; - start(); - } else { - setImageLoadHandlers(img, imageObj); - img.src = a; - } - window[callback_name] = undefined; // to work with IE<9 // NOTE: that the undefined callback property-name still exists on the window object (for IE<9) - try { - delete window[callback_name]; // for all browser that support this - } catch(ex) {} - script.parentNode.removeChild(script); - script = null; - delete imageObj.script; - delete imageObj.callbackname; - }; - - script.setAttribute("type", "text/javascript"); - script.setAttribute("src", scriptUrl); - imageObj.script = script; - window.document.body.appendChild(script); - - } - - function loadPseudoElement(element, type) { - var style = window.getComputedStyle(element, type), - content = style.content; - if (content.substr(0, 3) === 'url') { - methods.loadImage(_html2canvas.Util.parseBackgroundImage(content)[0].args[0]); - } - loadBackgroundImages(style.backgroundImage, element); - } - - function loadPseudoElementImages(element) { - loadPseudoElement(element, ":before"); - loadPseudoElement(element, ":after"); - } - - function loadGradientImage(backgroundImage, bounds) { - var img = _html2canvas.Generate.Gradient(backgroundImage, bounds); - - if (img !== undefined){ - images[backgroundImage] = { - img: img, - succeeded: true - }; - images.numTotal++; - images.numLoaded++; - start(); - } - } - - function invalidBackgrounds(background_image) { - return (background_image && background_image.method && background_image.args && background_image.args.length > 0 ); - } - - function loadBackgroundImages(background_image, el) { - var bounds; - - _html2canvas.Util.parseBackgroundImage(background_image).filter(invalidBackgrounds).forEach(function(background_image) { - if (background_image.method === 'url') { - methods.loadImage(background_image.args[0]); - } else if(background_image.method.match(/\-?gradient$/)) { - if(bounds === undefined) { - bounds = _html2canvas.Util.Bounds(el); - } - loadGradientImage(background_image.value, bounds); - } - }); - } - - function getImages (el) { - var elNodeType = false; - - // Firefox fails with permission denied on pages with iframes - try { - Util.Children(el).forEach(getImages); - } - catch( e ) {} - - try { - elNodeType = el.nodeType; - } catch (ex) { - elNodeType = false; - Util.log("html2canvas: failed to access some element's nodeType - Exception: " + ex.message); - } - - if (elNodeType === 1 || elNodeType === undefined) { - loadPseudoElementImages(el); - try { - loadBackgroundImages(Util.getCSS(el, 'backgroundImage'), el); - } catch(e) { - Util.log("html2canvas: failed to get background-image - Exception: " + e.message); - } - loadBackgroundImages(el); - } - } - - function setImageLoadHandlers(img, imageObj) { - img.onload = function() { - if ( imageObj.timer !== undefined ) { - // CORS succeeded - window.clearTimeout( imageObj.timer ); - } - - images.numLoaded++; - imageObj.succeeded = true; - img.onerror = img.onload = null; - start(); - }; - img.onerror = function() { - if (img.crossOrigin === "anonymous") { - // CORS failed - window.clearTimeout( imageObj.timer ); - - // let's try with proxy instead - if ( options.proxy ) { - var src = img.src; - img = new Image(); - imageObj.img = img; - img.src = src; - - proxyGetImage( img.src, img, imageObj ); - return; - } - } - - images.numLoaded++; - images.numFailed++; - imageObj.succeeded = false; - img.onerror = img.onload = null; - start(); - }; - } - - methods = { - loadImage: function( src ) { - var img, imageObj; - if ( src && images[src] === undefined ) { - img = new Image(); - if ( src.match(/data:image\/.*;base64,/i) ) { - img.src = src.replace(/url\(['"]{0,}|['"]{0,}\)$/ig, ''); - imageObj = images[src] = { - img: img - }; - images.numTotal++; - setImageLoadHandlers(img, imageObj); - } else if ( isSameOrigin( src ) || options.allowTaint === true ) { - imageObj = images[src] = { - img: img - }; - images.numTotal++; - setImageLoadHandlers(img, imageObj); - img.src = src; - } else if ( supportCORS && !options.allowTaint && options.useCORS ) { - // attempt to load with CORS - - img.crossOrigin = "anonymous"; - imageObj = images[src] = { - img: img - }; - images.numTotal++; - setImageLoadHandlers(img, imageObj); - img.src = src; - } else if ( options.proxy ) { - imageObj = images[src] = { - img: img - }; - images.numTotal++; - proxyGetImage( src, img, imageObj ); - } - } - - }, - cleanupDOM: function(cause) { - var img, src; - if (!images.cleanupDone) { - if (cause && typeof cause === "string") { - Util.log("html2canvas: Cleanup because: " + cause); - } else { - Util.log("html2canvas: Cleanup after timeout: " + options.timeout + " ms."); - } - - for (src in images) { - if (images.hasOwnProperty(src)) { - img = images[src]; - if (typeof img === "object" && img.callbackname && img.succeeded === undefined) { - // cancel proxy image request - window[img.callbackname] = undefined; // to work with IE<9 // NOTE: that the undefined callback property-name still exists on the window object (for IE<9) - try { - delete window[img.callbackname]; // for all browser that support this - } catch(ex) {} - if (img.script && img.script.parentNode) { - img.script.setAttribute("src", "about:blank"); // try to cancel running request - img.script.parentNode.removeChild(img.script); - } - images.numLoaded++; - images.numFailed++; - Util.log("html2canvas: Cleaned up failed img: '" + src + "' Steps: " + images.numLoaded + " / " + images.numTotal); - } - } - } - - // cancel any pending requests - if(window.stop !== undefined) { - window.stop(); - } else if(document.execCommand !== undefined) { - document.execCommand("Stop", false); - } - if (document.close !== undefined) { - document.close(); - } - images.cleanupDone = true; - if (!(cause && typeof cause === "string")) { - start(); - } - } - }, - - renderingDone: function() { - if (timeoutTimer) { - window.clearTimeout(timeoutTimer); - } - } - }; - - if (options.timeout > 0) { - timeoutTimer = window.setTimeout(methods.cleanupDOM, options.timeout); - } - - Util.log('html2canvas: Preload starts: finding background-images'); - images.firstRun = true; - - getImages(element); - - Util.log('html2canvas: Preload: Finding images'); - // load images - for (i = 0; i < imgLen; i+=1){ - methods.loadImage( domImages[i].getAttribute( "src" ) ); - } - - images.firstRun = false; - Util.log('html2canvas: Preload: Done.'); - if (images.numTotal === images.numLoaded) { - start(); - } - - return methods; -}; - -_html2canvas.Renderer = function(parseQueue, options){ - - // http://www.w3.org/TR/CSS21/zindex.html - function createRenderQueue(parseQueue) { - var queue = [], - rootContext; - - rootContext = (function buildStackingContext(rootNode) { - var rootContext = {}; - function insert(context, node, specialParent) { - var zi = (node.zIndex.zindex === 'auto') ? 0 : Number(node.zIndex.zindex), - contextForChildren = context, // the stacking context for children - isPositioned = node.zIndex.isPositioned, - isFloated = node.zIndex.isFloated, - stub = {node: node}, - childrenDest = specialParent; // where children without z-index should be pushed into - - if (node.zIndex.ownStacking) { - // '!' comes before numbers in sorted array - contextForChildren = stub.context = { '!': [{node:node, children: []}]}; - childrenDest = undefined; - } else if (isPositioned || isFloated) { - childrenDest = stub.children = []; - } - - if (zi === 0 && specialParent) { - specialParent.push(stub); - } else { - if (!context[zi]) { context[zi] = []; } - context[zi].push(stub); - } - - node.zIndex.children.forEach(function(childNode) { - insert(contextForChildren, childNode, childrenDest); - }); - } - insert(rootContext, rootNode); - return rootContext; - })(parseQueue); - - function sortZ(context) { - Object.keys(context).sort().forEach(function(zi) { - var nonPositioned = [], - floated = [], - positioned = [], - list = []; - - // positioned after static - context[zi].forEach(function(v) { - if (v.node.zIndex.isPositioned || v.node.zIndex.opacity < 1) { - // http://www.w3.org/TR/css3-color/#transparency - // non-positioned element with opactiy < 1 should be stacked as if it were a positioned element with ‘z-index: 0’ and ‘opacity: 1’. - positioned.push(v); - } else if (v.node.zIndex.isFloated) { - floated.push(v); - } else { - nonPositioned.push(v); - } - }); - - (function walk(arr) { - arr.forEach(function(v) { - list.push(v); - if (v.children) { walk(v.children); } - }); - })(nonPositioned.concat(floated, positioned)); - - list.forEach(function(v) { - if (v.context) { - sortZ(v.context); - } else { - queue.push(v.node); - } - }); - }); - } - - sortZ(rootContext); - - return queue; - } - - function getRenderer(rendererName) { - var renderer; - - if (typeof options.renderer === "string" && _html2canvas.Renderer[rendererName] !== undefined) { - renderer = _html2canvas.Renderer[rendererName](options); - } else if (typeof rendererName === "function") { - renderer = rendererName(options); - } else { - throw new Error("Unknown renderer"); - } - - if ( typeof renderer !== "function" ) { - throw new Error("Invalid renderer defined"); - } - return renderer; - } - - return getRenderer(options.renderer)(parseQueue, options, document, createRenderQueue(parseQueue.stack), _html2canvas); -}; - -_html2canvas.Util.Support = function (options, doc) { - - function supportSVGRendering() { - var img = new Image(), - canvas = doc.createElement("canvas"), - ctx = (canvas.getContext === undefined) ? false : canvas.getContext("2d"); - if (ctx === false) { - return false; - } - canvas.width = canvas.height = 10; - img.src = [ - "data:image/svg+xml,", - "", - "", - "
", - "sup", - "
", - "", - "" - ].join(""); - try { - ctx.drawImage(img, 0, 0); - canvas.toDataURL(); - } catch(e) { - return false; - } - _html2canvas.Util.log('html2canvas: Parse: SVG powered rendering available'); - return true; - } - - // Test whether we can use ranges to measure bounding boxes - // Opera doesn't provide valid bounds.height/bottom even though it supports the method. - - function supportRangeBounds() { - var r, testElement, rangeBounds, rangeHeight, support = false; - - if (doc.createRange) { - r = doc.createRange(); - if (r.getBoundingClientRect) { - testElement = doc.createElement('boundtest'); - testElement.style.height = "123px"; - testElement.style.display = "block"; - doc.body.appendChild(testElement); - - r.selectNode(testElement); - rangeBounds = r.getBoundingClientRect(); - rangeHeight = rangeBounds.height; - - if (rangeHeight === 123) { - support = true; - } - doc.body.removeChild(testElement); - } - } - - return support; - } - - return { - rangeBounds: supportRangeBounds(), - svgRendering: options.svgRendering && supportSVGRendering() - }; -}; -window.html2canvas = function(elements, opts) { - elements = (elements.length) ? elements : [elements]; - var queue, - canvas, - options = { - // general - logging: false, - elements: elements, - background: "#fff", - - // preload options - proxy: null, - timeout: 0, // no timeout - useCORS: false, // try to load images as CORS (where available), before falling back to proxy - allowTaint: false, // whether to allow images to taint the canvas, won't need proxy if set to true - - // parse options - svgRendering: false, // use svg powered rendering where available (FF11+) - ignoreElements: "IFRAME|OBJECT|PARAM", - useOverflow: true, - letterRendering: false, - chinese: false, - - // render options - - width: null, - height: null, - taintTest: true, // do a taint test with all images before applying to canvas - renderer: "Canvas" - }; - - options = _html2canvas.Util.Extend(opts, options); - - _html2canvas.logging = options.logging; - options.complete = function( images ) { - - if (typeof options.onpreloaded === "function") { - if ( options.onpreloaded( images ) === false ) { - return; - } - } - queue = _html2canvas.Parse( images, options ); - - if (typeof options.onparsed === "function") { - if ( options.onparsed( queue ) === false ) { - return; - } - } - - canvas = _html2canvas.Renderer( queue, options ); - - if (typeof options.onrendered === "function") { - options.onrendered( canvas ); - } - - - }; - - // for pages without images, we still want this to be async, i.e. return methods before executing - window.setTimeout( function(){ - _html2canvas.Preload( options ); - }, 0 ); - - return { - render: function( queue, opts ) { - return _html2canvas.Renderer( queue, _html2canvas.Util.Extend(opts, options) ); - }, - parse: function( images, opts ) { - return _html2canvas.Parse( images, _html2canvas.Util.Extend(opts, options) ); - }, - preload: function( opts ) { - return _html2canvas.Preload( _html2canvas.Util.Extend(opts, options) ); - }, - log: _html2canvas.Util.log - }; -}; - -window.html2canvas.log = _html2canvas.Util.log; // for renderers -window.html2canvas.Renderer = { - Canvas: undefined // We are assuming this will be used -}; -_html2canvas.Renderer.Canvas = function(options) { - options = options || {}; - - var doc = document, - safeImages = [], - testCanvas = document.createElement("canvas"), - testctx = testCanvas.getContext("2d"), - Util = _html2canvas.Util, - canvas = options.canvas || doc.createElement('canvas'); - - function createShape(ctx, args) { - ctx.beginPath(); - args.forEach(function(arg) { - ctx[arg.name].apply(ctx, arg['arguments']); - }); - ctx.closePath(); - } - - function safeImage(item) { - if (safeImages.indexOf(item['arguments'][0].src ) === -1) { - testctx.drawImage(item['arguments'][0], 0, 0); - try { - testctx.getImageData(0, 0, 1, 1); - } catch(e) { - testCanvas = doc.createElement("canvas"); - testctx = testCanvas.getContext("2d"); - return false; - } - safeImages.push(item['arguments'][0].src); - } - return true; - } - - function renderItem(ctx, item) { - switch(item.type){ - case "variable": - ctx[item.name] = item['arguments']; - break; - case "function": - switch(item.name) { - case "createPattern": - if (item['arguments'][0].width > 0 && item['arguments'][0].height > 0) { - try { - ctx.fillStyle = ctx.createPattern(item['arguments'][0], "repeat"); - } - catch(e) { - Util.log("html2canvas: Renderer: Error creating pattern", e.message); - } - } - break; - case "drawShape": - createShape(ctx, item['arguments']); - break; - case "drawImage": - if (item['arguments'][8] > 0 && item['arguments'][7] > 0) { - if (!options.taintTest || (options.taintTest && safeImage(item))) { - ctx.drawImage.apply( ctx, item['arguments'] ); - } - } - break; - default: - ctx[item.name].apply(ctx, item['arguments']); - } - break; - } - } - - return function(parsedData, options, document, queue, _html2canvas) { - var ctx = canvas.getContext("2d"), - newCanvas, - bounds, - fstyle, - zStack = parsedData.stack; - - canvas.width = canvas.style.width = options.width || zStack.ctx.width; - canvas.height = canvas.style.height = options.height || zStack.ctx.height; - - fstyle = ctx.fillStyle; - ctx.fillStyle = (Util.isTransparent(zStack.backgroundColor) && options.background !== undefined) ? options.background : parsedData.backgroundColor; - ctx.fillRect(0, 0, canvas.width, canvas.height); - ctx.fillStyle = fstyle; - - queue.forEach(function(storageContext) { - // set common settings for canvas - ctx.textBaseline = "bottom"; - ctx.save(); - - if (storageContext.transform.matrix) { - ctx.translate(storageContext.transform.origin[0], storageContext.transform.origin[1]); - ctx.transform.apply(ctx, storageContext.transform.matrix); - ctx.translate(-storageContext.transform.origin[0], -storageContext.transform.origin[1]); - } - - if (storageContext.clip){ - ctx.beginPath(); - ctx.rect(storageContext.clip.left, storageContext.clip.top, storageContext.clip.width, storageContext.clip.height); - ctx.clip(); - } - - if (storageContext.ctx.storage) { - storageContext.ctx.storage.forEach(function(item) { - renderItem(ctx, item); - }); - } - - ctx.restore(); - }); - - Util.log("html2canvas: Renderer: Canvas renderer done - returning canvas obj"); - - if (options.elements.length === 1) { - if (typeof options.elements[0] === "object" && options.elements[0].nodeName !== "BODY") { - // crop image to the bounds of selected (single) element - bounds = _html2canvas.Util.Bounds(options.elements[0]); - newCanvas = document.createElement('canvas'); - newCanvas.width = Math.ceil(bounds.width); - newCanvas.height = Math.ceil(bounds.height); - ctx = newCanvas.getContext("2d"); - - ctx.drawImage(canvas, bounds.left, bounds.top, bounds.width, bounds.height, 0, 0, bounds.width, bounds.height); - canvas = null; - return newCanvas; - } - } - - return canvas; - }; -}; 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