diff --git a/build/html2canvas.js b/build/html2canvas.js index ddeb204..10fe0a0 100644 --- a/build/html2canvas.js +++ b/build/html2canvas.js @@ -235,9 +235,8 @@ 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 + if(attribute === 'backgroundSize' && (value[0] && value[0].match(/^(cover|contain|auto)$/))) { + return value; } else { value[0] = (value[0].indexOf( "%" ) === -1) ? toPX(element, attribute + "X", value[0]) : value[0]; if(value[1] === undefined) { @@ -296,71 +295,71 @@ _html2canvas.Util.resizeBounds = function( current_width, current_height, target }; }; -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; +_html2canvas.Util.BackgroundPosition = function(element, bounds, image, imageIndex, backgroundSize ) { + var backgroundPosition = _html2canvas.Util.getCSS(element, 'backgroundPosition', imageIndex), + leftPosition, + topPosition; + if (backgroundPosition.length === 1){ + backgroundPosition = [backgroundPosition[0], backgroundPosition[0]]; } - if (bgposition[0].toString().indexOf("%") !== -1){ - percentage = (parseFloat(bgposition[0])/100); - left = bounds.width * percentage; - if(prop !== 'backgroundSize') { - left -= (backgroundSize || image).width*percentage; - } + if (backgroundPosition[0].toString().indexOf("%") !== -1){ + leftPosition = (bounds.width - (backgroundSize || image).width) * (parseFloat(backgroundPosition[0]) / 100); } 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); - } + leftPosition = parseInt(backgroundPosition[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; - } - + if (backgroundPosition[1] === 'auto') { + topPosition = leftPosition / image.width * image.height; + } else if (backgroundPosition[1].toString().indexOf("%") !== -1){ + topPosition = (bounds.height - (backgroundSize || image).height) * parseFloat(backgroundPosition[1]) / 100; } else { - topPos = parseInt(bgposition[1],10); + topPosition = parseInt(backgroundPosition[1], 10); } - return [left, topPos]; -} + if (backgroundPosition[0] === 'auto') { + leftPosition = topPosition / image.height * image.width; + } -_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] }; + return {left: leftPosition, top: topPosition}; }; -_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.BackgroundSize = function(element, bounds, image, imageIndex) { + var backgroundSize = _html2canvas.Util.getCSS(element, 'backgroundSize', imageIndex), + width, + height; + + if (backgroundSize.length === 1){ + backgroundSize = [backgroundSize[0], backgroundSize[0]]; + } + + if (backgroundSize[0].toString().indexOf("%") !== -1){ + width = bounds.width * parseFloat(backgroundSize[0]) / 100; + } else if(backgroundSize[0] === 'auto') { + width = image.width; + } else { + if (/contain|cover/.test(backgroundSize[0])) { + var resized = _html2canvas.Util.resizeBounds(image.width, image.height, bounds.width, bounds.height, backgroundSize[0]); + return {width: resized.width, height: resized.height}; + } else { + width = parseInt(backgroundSize[0], 10); + } + } + + if(backgroundSize[1] === 'auto') { + height = width / image.width * image.height; + } else if (backgroundSize[1].toString().indexOf("%") !== -1){ + height = bounds.height * parseFloat(backgroundSize[1]) / 100; + } else { + height = parseInt(backgroundSize[1],10); + } + + + if (backgroundSize[0] === 'auto') { + width = height / image.height * image.width; + } + + return {width: width, height: height}; }; _html2canvas.Util.Extend = function (options, defaults) { @@ -415,7 +414,7 @@ _html2canvas.Util.Children = function( elem ) { }; _html2canvas.Util.isTransparent = function(backgroundColor) { - return (backgroundColor === "transparent" || backgroundColor === "rgba(0, 0, 0, 0)"); + return (!backgroundColor || backgroundColor === "transparent" || backgroundColor === "rgba(0, 0, 0, 0)"); }; _html2canvas.Util.Font = (function () { @@ -2945,7 +2944,7 @@ _html2canvas.Renderer.Canvas = function(options) { 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.fillStyle = (Util.isTransparent(parsedData.backgroundColor) && options.background !== undefined) ? options.background : parsedData.backgroundColor; ctx.fillRect(0, 0, canvas.width, canvas.height); ctx.fillStyle = fstyle; diff --git a/build/html2canvas.min.js b/build/html2canvas.min.js index 9fabe1a..cd16c25 100644 --- a/build/html2canvas.min.js +++ b/build/html2canvas.min.js @@ -4,5 +4,5 @@ Released under MIT License */ -!function(a,b,c){"use strict";function d(a,b,c){var d,e=a.runtimeStyle&&a.runtimeStyle[b],f=a.style;return!/^-?[0-9]+\.?[0-9]*(?:px)?$/i.test(c)&&/^-?\d/.test(c)&&(d=f.left,e&&(a.runtimeStyle.left=a.currentStyle.left),f.left="fontSize"===b?"1em":c||0,c=f.pixelLeft+"px",f.left=d,e&&(a.runtimeStyle.left=e)),/^(thin|medium|thick)$/i.test(c)?c:Math.round(parseFloat(c))+"px"}function e(a){return parseInt(a,10)}function f(a,b,e,f){if(a=(a||"").split(","),a=a[f||0]||a[0]||"auto",a=k.Util.trimText(a).split(" "),"backgroundSize"!==e||a[0]&&!a[0].match(/cover|contain|auto/)){if(a[0]=-1===a[0].indexOf("%")?d(b,e+"X",a[0]):a[0],a[1]===c){if("backgroundSize"===e)return a[1]="auto",a;a[1]=a[0]}a[1]=-1===a[1].indexOf("%")?d(b,e+"Y",a[1]):a[1]}else;return a}function g(a,b,c,d,e,f){var g,h,i,j,l=k.Util.getCSS(b,a,e);if(1===l.length&&(j=l[0],l=[],l[0]=j,l[1]=j),-1!==l[0].toString().indexOf("%"))i=parseFloat(l[0])/100,h=c.width*i,"backgroundSize"!==a&&(h-=(f||d).width*i);else if("backgroundSize"===a)if("auto"===l[0])h=d.width;else if(/contain|cover/.test(l[0])){var m=k.Util.resizeBounds(d.width,d.height,c.width,c.height,l[0]);h=m.width,g=m.height}else h=parseInt(l[0],10);else h=parseInt(l[0],10);return"auto"===l[1]?g=h/d.width*d.height:-1!==l[1].toString().indexOf("%")?(i=parseFloat(l[1])/100,g=c.height*i,"backgroundSize"!==a&&(g-=(f||d).height*i)):g=parseInt(l[1],10),[h,g]}function h(a,b){var c=[];return{storage:c,width:a,height:b,clip:function(){c.push({type:"function",name:"clip",arguments:arguments})},translate:function(){c.push({type:"function",name:"translate",arguments:arguments})},fill:function(){c.push({type:"function",name:"fill",arguments:arguments})},save:function(){c.push({type:"function",name:"save",arguments:arguments})},restore:function(){c.push({type:"function",name:"restore",arguments:arguments})},fillRect:function(){c.push({type:"function",name:"fillRect",arguments:arguments})},createPattern:function(){c.push({type:"function",name:"createPattern",arguments:arguments})},drawShape:function(){var a=[];return c.push({type:"function",name:"drawShape",arguments:a}),{moveTo:function(){a.push({name:"moveTo",arguments:arguments})},lineTo:function(){a.push({name:"lineTo",arguments:arguments})},arcTo:function(){a.push({name:"arcTo",arguments:arguments})},bezierCurveTo:function(){a.push({name:"bezierCurveTo",arguments:arguments})},quadraticCurveTo:function(){a.push({name:"quadraticCurveTo",arguments:arguments})}}},drawImage:function(){c.push({type:"function",name:"drawImage",arguments:arguments})},fillText:function(){c.push({type:"function",name:"fillText",arguments:arguments})},setVariable:function(a,b){return c.push({type:"variable",name:a,arguments:b}),b}}}var i,j,k={};k.Util={},k.Util.log=function(b){k.logging&&a.console&&a.console.log&&a.console.log(b)},k.Util.trimText=function(a){return function(b){return a?a.apply(b):((b||"")+"").replace(/^\s+|\s+$/g,"")}}(String.prototype.trim),k.Util.asFloat=function(a){return parseFloat(a)},function(){var a=/((rgba|rgb)\([^\)]+\)(\s-?\d+px){0,})/g,b=/(-?\d+px)|(#.+)|(rgb\(.+\))|(rgba\(.+\))/g;k.Util.parseTextShadows=function(c){if(!c||"none"===c)return[];for(var d=c.match(a),e=[],f=0;d&&f0&&(d=b.substr(0,e),b=b.substr(e)),k.push({prefix:d,method:b.toLowerCase(),value:f,args:i})),i=[],b=d=c=f=""};n();for(var o=0,p=a.length;p>o;o++)if(g=a[o],!(0===l&&j.indexOf(g)>-1)){switch(g){case'"':h?h===g&&(h=null):h=g;break;case"(":if(h)break;if(0===l){l=1,f+=g;continue}m++;break;case")":if(h)break;if(1===l){if(0===m){l=0,f+=g,n();continue}m--}break;case",":if(h)break;if(0===l){n();continue}if(1===l&&0===m&&!b.match(/^url$/i)){i.push(c),c="",f+=g;continue}}f+=g,0===l?b+=g:c+=g}return n(),k},k.Util.Bounds=function(a){var b,c={};return a.getBoundingClientRect&&(b=a.getBoundingClientRect(),c.top=b.top,c.bottom=b.bottom||b.top+b.height,c.left=b.left,c.width=a.offsetWidth,c.height=a.offsetHeight),c},k.Util.OffsetBounds=function(a){var b=a.offsetParent?k.Util.OffsetBounds(a.offsetParent):{top:0,left:0};return{top:a.offsetTop+b.top,bottom:a.offsetTop+a.offsetHeight+b.top,left:a.offsetLeft+b.left,width:a.offsetWidth,height:a.offsetHeight}},k.Util.getCSS=function(a,c,d){i!==a&&(j=b.defaultView.getComputedStyle(a,null));var g=j[c];if(/^background(Size|Position)$/.test(c))return f(g,a,c,d);if(/border(Top|Bottom)(Left|Right)Radius/.test(c)){var h=g.split(" ");return h.length<=1&&(h[1]=h[0]),h.map(e)}return g},k.Util.resizeBounds=function(a,b,c,d,e){var f,g,h=c/d,i=a/b;return e&&"auto"!==e?i>h^"contain"===e?(g=d,f=d*i):(f=c,g=c/i):(f=c,g=d),{width:f,height:g}},k.Util.BackgroundPosition=function(a,b,c,d,e){var f=g("backgroundPosition",a,b,c,d,e);return{left:f[0],top:f[1]}},k.Util.BackgroundSize=function(a,b,c,d){var e=g("backgroundSize",a,b,c,d);return{width:e[0],height:e[1]}},k.Util.Extend=function(a,b){for(var c in a)a.hasOwnProperty(c)&&(b[c]=a[c]);return b},k.Util.Children=function(a){var b;try{b=a.nodeName&&"IFRAME"===a.nodeName.toUpperCase()?a.contentDocument||a.contentWindow.document:function(a){var b=[];return null!==a&&!function(a,b){var d=a.length,e=0;if("number"==typeof b.length)for(var f=b.length;f>e;e++)a[d++]=b[e];else for(;b[e]!==c;)a[d++]=b[e++];return a.length=d,a}(b,a),b}(a.childNodes)}catch(d){k.Util.log("html2canvas.Util.Children failed with exception: "+d.message),b=[]}return b},k.Util.isTransparent=function(a){return"transparent"===a||"rgba(0, 0, 0, 0)"===a},k.Util.Font=function(){var a={};return function(b,d,e){if(a[b+"-"+d]!==c)return a[b+"-"+d];var f,g,h,i=e.createElement("div"),j=e.createElement("img"),k=e.createElement("span"),l="Hidden Text";return i.style.visibility="hidden",i.style.fontFamily=b,i.style.fontSize=d,i.style.margin=0,i.style.padding=0,e.body.appendChild(i),j.src="data:image/gif;base64,R0lGODlhAQABAIABAP///wAAACwAAAAAAQABAAACAkQBADs=",j.width=1,j.height=1,j.style.margin=0,j.style.padding=0,j.style.verticalAlign="baseline",k.style.fontFamily=b,k.style.fontSize=d,k.style.margin=0,k.style.padding=0,k.appendChild(e.createTextNode(l)),i.appendChild(k),i.appendChild(j),f=j.offsetTop-k.offsetTop+1,i.removeChild(k),i.appendChild(e.createTextNode(l)),i.style.lineHeight="normal",j.style.verticalAlign="super",g=j.offsetTop-i.offsetTop+1,h={baseline:f,lineWidth:1,middle:g},a[b+"-"+d]=h,e.body.removeChild(i),h}}(),function(){function a(a){return function(b){try{a.addColorStop(b.stop,b.color)}catch(d){c.log(["failed to add color stop: ",d,"; tried to add: ",b])}}}var c=k.Util,d={};k.Generate=d;var e=[/^(-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,%\(\)]+)\)$/];d.parseGradient=function(a,b){var c,d,f,g,h,i,j,k,l,m,n,o,p=e.length;for(d=0;p>d&&!(f=a.match(e[d]));d+=1);if(f)switch(f[1]){case"-webkit-linear-gradient":case"-o-linear-gradient":if(c={type:"linear",x0:null,y0:null,x1:null,y1:null,colorStops:[]},h=f[2].match(/\w+/g))for(i=h.length,d=0;i>d;d+=1)switch(h[d]){case"top":c.y0=0,c.y1=b.height;break;case"right":c.x0=b.width,c.x1=0;break;case"bottom":c.y0=b.height,c.y1=0;break;case"left":c.x0=0,c.x1=b.width}if(null===c.x0&&null===c.x1&&(c.x0=c.x1=b.width/2),null===c.y0&&null===c.y1&&(c.y0=c.y1=b.height/2),h=f[3].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)(?:\s\d{1,3}(?:%|px))?)+/g))for(i=h.length,j=1/Math.max(i-1,1),d=0;i>d;d+=1)k=h[d].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\s*(\d{1,3})?(%|px)?/),k[2]?(g=parseFloat(k[2]),g/="%"===k[3]?100:b.width):g=d*j,c.colorStops.push({color:k[1],stop:g});break;case"-webkit-gradient":if(c={type:"radial"===f[2]?"circle":f[2],x0:0,y0:0,x1:0,y1:0,colorStops:[]},h=f[3].match(/(\d{1,3})%?\s(\d{1,3})%?,\s(\d{1,3})%?\s(\d{1,3})%?/),h&&(c.x0=h[1]*b.width/100,c.y0=h[2]*b.height/100,c.x1=h[3]*b.width/100,c.y1=h[4]*b.height/100),h=f[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))for(i=h.length,d=0;i>d;d+=1)k=h[d].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=parseFloat(k[2]),"from"===k[1]&&(g=0),"to"===k[1]&&(g=1),c.colorStops.push({color:k[3],stop:g});break;case"-moz-linear-gradient":if(c={type:"linear",x0:0,y0:0,x1:0,y1:0,colorStops:[]},h=f[2].match(/(\d{1,3})%?\s(\d{1,3})%?/),h&&(c.x0=h[1]*b.width/100,c.y0=h[2]*b.height/100,c.x1=b.width-c.x0,c.y1=b.height-c.y0),h=f[3].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)(?:\s\d{1,3}%)?)+/g))for(i=h.length,j=1/Math.max(i-1,1),d=0;i>d;d+=1)k=h[d].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\s*(\d{1,3})?(%)?/),k[2]?(g=parseFloat(k[2]),k[3]&&(g/=100)):g=d*j,c.colorStops.push({color:k[1],stop:g});break;case"-webkit-radial-gradient":case"-moz-radial-gradient":case"-o-radial-gradient":if(c={type:"circle",x0:0,y0:0,x1:b.width,y1:b.height,cx:0,cy:0,rx:0,ry:0,colorStops:[]},h=f[2].match(/(\d{1,3})%?\s(\d{1,3})%?/),h&&(c.cx=h[1]*b.width/100,c.cy=h[2]*b.height/100),h=f[3].match(/\w+/),k=f[4].match(/[a-z\-]*/),h&&k)switch(k[0]){case"farthest-corner":case"cover":case"":l=Math.sqrt(Math.pow(c.cx,2)+Math.pow(c.cy,2)),m=Math.sqrt(Math.pow(c.cx,2)+Math.pow(c.y1-c.cy,2)),n=Math.sqrt(Math.pow(c.x1-c.cx,2)+Math.pow(c.y1-c.cy,2)),o=Math.sqrt(Math.pow(c.x1-c.cx,2)+Math.pow(c.cy,2)),c.rx=c.ry=Math.max(l,m,n,o);break;case"closest-corner":l=Math.sqrt(Math.pow(c.cx,2)+Math.pow(c.cy,2)),m=Math.sqrt(Math.pow(c.cx,2)+Math.pow(c.y1-c.cy,2)),n=Math.sqrt(Math.pow(c.x1-c.cx,2)+Math.pow(c.y1-c.cy,2)),o=Math.sqrt(Math.pow(c.x1-c.cx,2)+Math.pow(c.cy,2)),c.rx=c.ry=Math.min(l,m,n,o);break;case"farthest-side":"circle"===h[0]?c.rx=c.ry=Math.max(c.cx,c.cy,c.x1-c.cx,c.y1-c.cy):(c.type=h[0],c.rx=Math.max(c.cx,c.x1-c.cx),c.ry=Math.max(c.cy,c.y1-c.cy));break;case"closest-side":case"contain":"circle"===h[0]?c.rx=c.ry=Math.min(c.cx,c.cy,c.x1-c.cx,c.y1-c.cy):(c.type=h[0],c.rx=Math.min(c.cx,c.x1-c.cx),c.ry=Math.min(c.cy,c.y1-c.cy))}if(h=f[5].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)(?:\s\d{1,3}(?:%|px))?)+/g))for(i=h.length,j=1/Math.max(i-1,1),d=0;i>d;d+=1)k=h[d].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\s*(\d{1,3})?(%|px)?/),k[2]?(g=parseFloat(k[2]),g/="%"===k[3]?100:b.width):g=d*j,c.colorStops.push({color:k[1],stop:g})}return c},d.Gradient=function(c,d){if(0!==d.width&&0!==d.height){var e,f,g=b.createElement("canvas"),h=g.getContext("2d");if(g.width=d.width,g.height=d.height,e=k.Generate.parseGradient(c,d))switch(e.type){case"linear":f=h.createLinearGradient(e.x0,e.y0,e.x1,e.y1),e.colorStops.forEach(a(f)),h.fillStyle=f,h.fillRect(0,0,d.width,d.height);break;case"circle":f=h.createRadialGradient(e.cx,e.cy,0,e.cx,e.cy,e.rx),e.colorStops.forEach(a(f)),h.fillStyle=f,h.fillRect(0,0,d.width,d.height);break;case"ellipse":var i=b.createElement("canvas"),j=i.getContext("2d"),l=Math.max(e.rx,e.ry),m=2*l;i.width=i.height=m,f=j.createRadialGradient(e.rx,e.ry,0,e.rx,e.ry,l),e.colorStops.forEach(a(f)),j.fillStyle=f,j.fillRect(0,0,m,m),h.fillStyle=e.colorStops[e.colorStops.length-1].color,h.fillRect(0,0,g.width,g.height),h.drawImage(i,e.cx-e.rx,e.cy-e.ry,2*e.rx,2*e.ry)}return g}},d.ListAlpha=function(a){var b,c="";do b=a%26,c=String.fromCharCode(b+64)+c,a/=26;while(26*a>26);return c},d.ListRoman=function(a){var 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t=/((rgba|rgb)\([^\)]+\)(\s-?\d+px){0,})/g,e=/(-?\d+px)|(#.+)|(rgb\(.+\))|(rgba\(.+\))/g;c.Util.parseTextShadows=function(n){if(!n||"none"===n)return[];for(var r=n.match(t),a=[],o=0;r&&r.length>o;o++){var i=r[o].match(e);a.push({color:i[0],offsetX:i[1]?i[1].replace("px",""):0,offsetY:i[2]?i[2].replace("px",""):0,blur:i[3]?i[3].replace("px",""):0})}return a}}(),c.Util.parseBackgroundImage=function(t){var e,n,r,a,o,i,l,s,c=" \r\n ",d=[],h=0,u=0,f=function(){e&&('"'===n.substr(0,1)&&(n=n.substr(1,n.length-2)),n&&s.push(n),"-"===e.substr(0,1)&&(a=e.indexOf("-",1)+1)>0&&(r=e.substr(0,a),e=e.substr(a)),d.push({prefix:r,method:e.toLowerCase(),value:o,args:s})),s=[],e=r=n=o=""};f();for(var 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o(i,t,n,r);if(/border(Top|Bottom)(Left|Right)Radius/.test(n)){var c=i.split(" ");return 1>=c.length&&(c[1]=c[0]),c.map(a)}return i},c.Util.resizeBounds=function(t,e,n,r,a){var o,i,l=n/r,s=t/e;return a&&"auto"!==a?s>l^"contain"===a?(i=r,o=r*s):(o=n,i=n/s):(o=n,i=r),{width:o,height:i}},c.Util.BackgroundPosition=function(t,e,n,r,a){var o,i,l=c.Util.getCSS(t,"backgroundPosition",r);return 1===l.length&&(l=[l[0],l[0]]),o=-1!==(""+l[0]).indexOf("%")?(e.width-(a||n).width)*(parseFloat(l[0])/100):parseInt(l[0],10),i="auto"===l[1]?o/n.width*n.height:-1!==(""+l[1]).indexOf("%")?(e.height-(a||n).height)*parseFloat(l[1])/100:parseInt(l[1],10),"auto"===l[0]&&(o=i/n.height*n.width),{left:o,top:i}},c.Util.BackgroundSize=function(t,e,n,r){var a,o,i=c.Util.getCSS(t,"backgroundSize",r);if(1===i.length&&(i=[i[0],i[0]]),-1!==(""+i[0]).indexOf("%"))a=e.width*parseFloat(i[0])/100;else if("auto"===i[0])a=n.width;else{if(/contain|cover/.test(i[0])){var l=c.Util.resizeBounds(n.width,n.height,e.width,e.height,i[0]);return{width:l.width,height:l.height}}a=parseInt(i[0],10)}return o="auto"===i[1]?a/n.width*n.height:-1!==(""+i[1]).indexOf("%")?e.height*parseFloat(i[1])/100:parseInt(i[1],10),"auto"===i[0]&&(a=o/n.height*n.width),{width:a,height:o}},c.Util.Extend=function(t,e){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e},c.Util.Children=function(t){var e;try{e=t.nodeName&&"IFRAME"===t.nodeName.toUpperCase()?t.contentDocument||t.contentWindow.document:function(t){var e=[];return null!==t&&function(t,e){var r=t.length,a=0;if("number"==typeof e.length)for(var o=e.length;o>a;a++)t[r++]=e[a];else for(;e[a]!==n;)t[r++]=e[a++];return t.length=r,t}(e,t),e}(t.childNodes)}catch(r){c.Util.log("html2canvas.Util.Children failed with exception: "+r.message),e=[]}return e},c.Util.isTransparent=function(t){return!t||"transparent"===t||"rgba(0, 0, 0, 0)"===t},c.Util.Font=function(){var t={};return function(e,r,a){if(t[e+"-"+r]!==n)return t[e+"-"+r];var o,i,l,s=a.createElement("div"),c=a.createElement("img"),d=a.createElement("span"),h="Hidden Text";return s.style.visibility="hidden",s.style.fontFamily=e,s.style.fontSize=r,s.style.margin=0,s.style.padding=0,a.body.appendChild(s),c.src="data:image/gif;base64,R0lGODlhAQABAIABAP///wAAACwAAAAAAQABAAACAkQBADs=",c.width=1,c.height=1,c.style.margin=0,c.style.padding=0,c.style.verticalAlign="baseline",d.style.fontFamily=e,d.style.fontSize=r,d.style.margin=0,d.style.padding=0,d.appendChild(a.createTextNode(h)),s.appendChild(d),s.appendChild(c),o=c.offsetTop-d.offsetTop+1,s.removeChild(d),s.appendChild(a.createTextNode(h)),s.style.lineHeight="normal",c.style.verticalAlign="super",i=c.offsetTop-s.offsetTop+1,l={baseline:o,lineWidth:1,middle:i},t[e+"-"+r]=l,a.body.removeChild(s),l}}(),function(){function t(t){return function(e){try{t.addColorStop(e.stop,e.color)}catch(r){n.log(["failed to add color stop: ",r,"; tried to add: ",e])}}}var n=c.Util,r={};c.Generate=r;var a=[/^(-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,%\(\)]+)\)$/];r.parseGradient=function(t,e){var n,r,o,i,l,s,c,d,h,u,f,p,g=a.length;for(r=0;g>r&&!(o=t.match(a[r]));r+=1);if(o)switch(o[1]){case"-webkit-linear-gradient":case"-o-linear-gradient":if(n={type:"linear",x0:null,y0:null,x1:null,y1:null,colorStops:[]},l=o[2].match(/\w+/g))for(s=l.length,r=0;s>r;r+=1)switch(l[r]){case"top":n.y0=0,n.y1=e.height;break;case"right":n.x0=e.width,n.x1=0;break;case"bottom":n.y0=e.height,n.y1=0;break;case"left":n.x0=0,n.x1=e.width}if(null===n.x0&&null===n.x1&&(n.x0=n.x1=e.width/2),null===n.y0&&null===n.y1&&(n.y0=n.y1=e.height/2),l=o[3].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)(?:\s\d{1,3}(?:%|px))?)+/g))for(s=l.length,c=1/Math.max(s-1,1),r=0;s>r;r+=1)d=l[r].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\s*(\d{1,3})?(%|px)?/),d[2]?(i=parseFloat(d[2]),i/="%"===d[3]?100:e.width):i=r*c,n.colorStops.push({color:d[1],stop:i});break;case"-webkit-gradient":if(n={type:"radial"===o[2]?"circle":o[2],x0:0,y0:0,x1:0,y1:0,colorStops:[]},l=o[3].match(/(\d{1,3})%?\s(\d{1,3})%?,\s(\d{1,3})%?\s(\d{1,3})%?/),l&&(n.x0=l[1]*e.width/100,n.y0=l[2]*e.height/100,n.x1=l[3]*e.width/100,n.y1=l[4]*e.height/100),l=o[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))for(s=l.length,r=0;s>r;r+=1)d=l[r].match(/(from|to|color-stop)\(([0-9\.]+)?(?:,\s)?((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\)/),i=parseFloat(d[2]),"from"===d[1]&&(i=0),"to"===d[1]&&(i=1),n.colorStops.push({color:d[3],stop:i});break;case"-moz-linear-gradient":if(n={type:"linear",x0:0,y0:0,x1:0,y1:0,colorStops:[]},l=o[2].match(/(\d{1,3})%?\s(\d{1,3})%?/),l&&(n.x0=l[1]*e.width/100,n.y0=l[2]*e.height/100,n.x1=e.width-n.x0,n.y1=e.height-n.y0),l=o[3].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)(?:\s\d{1,3}%)?)+/g))for(s=l.length,c=1/Math.max(s-1,1),r=0;s>r;r+=1)d=l[r].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\s*(\d{1,3})?(%)?/),d[2]?(i=parseFloat(d[2]),d[3]&&(i/=100)):i=r*c,n.colorStops.push({color:d[1],stop:i});break;case"-webkit-radial-gradient":case"-moz-radial-gradient":case"-o-radial-gradient":if(n={type:"circle",x0:0,y0:0,x1:e.width,y1:e.height,cx:0,cy:0,rx:0,ry:0,colorStops:[]},l=o[2].match(/(\d{1,3})%?\s(\d{1,3})%?/),l&&(n.cx=l[1]*e.width/100,n.cy=l[2]*e.height/100),l=o[3].match(/\w+/),d=o[4].match(/[a-z\-]*/),l&&d)switch(d[0]){case"farthest-corner":case"cover":case"":h=Math.sqrt(Math.pow(n.cx,2)+Math.pow(n.cy,2)),u=Math.sqrt(Math.pow(n.cx,2)+Math.pow(n.y1-n.cy,2)),f=Math.sqrt(Math.pow(n.x1-n.cx,2)+Math.pow(n.y1-n.cy,2)),p=Math.sqrt(Math.pow(n.x1-n.cx,2)+Math.pow(n.cy,2)),n.rx=n.ry=Math.max(h,u,f,p);break;case"closest-corner":h=Math.sqrt(Math.pow(n.cx,2)+Math.pow(n.cy,2)),u=Math.sqrt(Math.pow(n.cx,2)+Math.pow(n.y1-n.cy,2)),f=Math.sqrt(Math.pow(n.x1-n.cx,2)+Math.pow(n.y1-n.cy,2)),p=Math.sqrt(Math.pow(n.x1-n.cx,2)+Math.pow(n.cy,2)),n.rx=n.ry=Math.min(h,u,f,p);break;case"farthest-side":"circle"===l[0]?n.rx=n.ry=Math.max(n.cx,n.cy,n.x1-n.cx,n.y1-n.cy):(n.type=l[0],n.rx=Math.max(n.cx,n.x1-n.cx),n.ry=Math.max(n.cy,n.y1-n.cy));break;case"closest-side":case"contain":"circle"===l[0]?n.rx=n.ry=Math.min(n.cx,n.cy,n.x1-n.cx,n.y1-n.cy):(n.type=l[0],n.rx=Math.min(n.cx,n.x1-n.cx),n.ry=Math.min(n.cy,n.y1-n.cy))}if(l=o[5].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)(?:\s\d{1,3}(?:%|px))?)+/g))for(s=l.length,c=1/Math.max(s-1,1),r=0;s>r;r+=1)d=l[r].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\s*(\d{1,3})?(%|px)?/),d[2]?(i=parseFloat(d[2]),i/="%"===d[3]?100:e.width):i=r*c,n.colorStops.push({color:d[1],stop:i})}return n},r.Gradient=function(n,r){if(0!==r.width&&0!==r.height){var a,o,i=e.createElement("canvas"),l=i.getContext("2d");if(i.width=r.width,i.height=r.height,a=c.Generate.parseGradient(n,r))switch(a.type){case"linear":o=l.createLinearGradient(a.x0,a.y0,a.x1,a.y1),a.colorStops.forEach(t(o)),l.fillStyle=o,l.fillRect(0,0,r.width,r.height);break;case"circle":o=l.createRadialGradient(a.cx,a.cy,0,a.cx,a.cy,a.rx),a.colorStops.forEach(t(o)),l.fillStyle=o,l.fillRect(0,0,r.width,r.height);break;case"ellipse":var s=e.createElement("canvas"),d=s.getContext("2d"),h=Math.max(a.rx,a.ry),u=2*h;s.width=s.height=u,o=d.createRadialGradient(a.rx,a.ry,0,a.rx,a.ry,h),a.colorStops.forEach(t(o)),d.fillStyle=o,d.fillRect(0,0,u,u),l.fillStyle=a.colorStops[a.colorStops.length-1].color,l.fillRect(0,0,i.width,i.height),l.drawImage(s,a.cx-a.rx,a.cy-a.ry,2*a.rx,2*a.ry)}return i}},r.ListAlpha=function(t){var e,n="";do e=t%26,n=String.fromCharCode(e+64)+n,t/=26;while(26*t>26);return n},r.ListRoman=function(t){var e,n=["M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I"],r=[1e3,900,500,400,100,90,50,40,10,9,5,4,1],a="",o=n.length;if(0>=t||t>=4e3)return t;for(e=0;o>e;e+=1)for(;t>=r[e];)t-=r[e],a+=n[e];return a}}(),c.Parse=function(r,a,o){function l(){var t=be(e.documentElement,"backgroundColor"),n=me.isTransparent(t)&&fe===e.body,r=ce(fe,null,!1,n);s(fe),ue(fe,r,function(){n&&(t=r.backgroundColor),d(),me.log("Done parsing, moving to Render."),o({backgroundColor:t,stack:r})})}function s(t){function n(){for(var t=/:before|:after/,n=e.styleSheets,r=0,a=n.length;a>r;r++)try{for(var o=n[r].cssRules,i=0,s=o.length;s>i;i++)t.test(o[i].selectorText)&&l.push(o[i].selectorText)}catch(c){}for(r=0,a=l.length;a>r;r++)l[r]=l[r].match(/(^[^:]*)/)[1]}function r(){for(var t=e.querySelectorAll(l.join(",")),n=0,r=t.length;r>n;n++)a(t[n])}function a(t){var e=Y(t,":before"),n=Y(t,":after");e&&i.push({type:"before",pseudo:e,el:t}),n&&i.push({type:"after",pseudo:n,el:t})}function o(){i.forEach(function(t){h(t.el,ve+"-parent")}),i.forEach(function(t){"before"===t.type?t.el.insertBefore(t.pseudo,t.el.firstChild):t.el.appendChild(t.pseudo)})}var i=[],l=[];n(),r(t),o()}function d(){xe.removeChild(Ce);for(var t=e.getElementsByClassName(ve+"-element");t.length;)t[0].parentNode.removeChild(t[0]);for(var n=e.getElementsByClassName(ve+"-parent");n.length;)u(n[0],ve+"-parent")}function h(t,e){t.classList?t.classList.add(e):t.className=t.className+" "+e}function u(t,e){t.classList?t.classList.remove(e):t.className=t.className.replace(e,"").trim()}function f(){return Math.max(Math.max(ge.body.scrollWidth,ge.documentElement.scrollWidth),Math.max(ge.body.offsetWidth,ge.documentElement.offsetWidth),Math.max(ge.body.clientWidth,ge.documentElement.clientWidth))}function p(){return 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t.setVariable("fillStyle",a),t.setVariable("font",[be(e,"fontStyle"),be(e,"fontVariant"),i,s,l].join(" ")),t.setVariable("textAlign",o?"right":"left"),c.length&&(t.setVariable("shadowColor",c[0].color),t.setVariable("shadowOffsetX",c[0].offsetX),t.setVariable("shadowOffsetY",c[0].offsetY),t.setVariable("shadowBlur",c[0].blur)),"none"!==r?me.Font(l,s,ge):n}function C(t,e,n,r,a){switch(e){case"underline":m(t,n.left,Math.round(n.top+r.baseline+r.lineWidth),n.width,1,a);break;case"overline":m(t,n.left,Math.round(n.top),n.width,1,a);break;case"line-through":m(t,n.left,Math.ceil(n.top+r.middle+r.lineWidth),n.width,1,a)}}function k(t,e,n,r,a){var o;if(ye.rangeBounds&&!a)("none"!==n||0!==me.trimText(e).length)&&(o=T(e,t.node,t.textOffset)),t.textOffset+=e.length;else if(t.node&&"string"==typeof t.node.nodeValue){var i=r?t.node.splitText(e.length):null;o=E(t.node,a),t.node=i}return o}function T(t,e,n){var r=ge.createRange();return r.setStart(e,n),r.setEnd(e,n+t.length),r.getBoundingClientRect()}function E(t,e){var n=t.parentNode,r=ge.createElement("wrapper"),a=t.cloneNode(!0);r.appendChild(t.cloneNode(!0)),n.replaceChild(r,t);var o=e?me.OffsetBounds(r):me.Bounds(r);return n.replaceChild(a,r),o}function S(t,e,n){var r,o,i=n.ctx,l=be(t,"color"),s=be(t,"textDecoration"),c=be(t,"textAlign"),d={node:e,textOffset:0};me.trimText(e.nodeValue).length>0&&(e.nodeValue=w(e.nodeValue,be(t,"textTransform")),c=c.replace(["-webkit-auto"],["auto"]),o=!a.letterRendering&&/^(left|right|justify|auto)$/.test(c)&&x(be(t,"letterSpacing"))?e.nodeValue.split(/(\b| )/):e.nodeValue.split(""),r=v(i,t,s,l),a.chinese&&o.forEach(function(t,e){/.*[\u4E00-\u9FA5].*$/.test(t)&&(t=t.split(""),t.unshift(e,1),o.splice.apply(o,t))}),o.forEach(function(t,e){var a=k(d,t,s,o.length-1>e,n.transform.matrix);a&&(b(t,a.left,a.bottom,i),C(i,s,a,r,l))}))}function R(t,e){var n,r,a=ge.createElement("boundelement");return 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Image,a.img=e,e.src=l,i(e.src,e,a),n}x.numLoaded++,x.numFailed++,a.succeeded=!1,e.onerror=e.onload=null,o()}}var g,m,y,w,x={numLoaded:0,numFailed:0,numTotal:0,cleanupDone:!1},b=c.Util,v=0,C=r.elements[0]||e.body,k=C.ownerDocument,T=C.getElementsByTagName("img"),E=T.length,S=k.createElement("a"),R=function(t){return t.crossOrigin!==n}(new Image);for(S.href=t.location.href,g=S.protocol+S.host,m={loadImage:function(t){var e,o;t&&x[t]===n&&(e=new Image,t.match(/data:image\/.*;base64,/i)?(e.src=t.replace(/url\(['"]{0,}|['"]{0,}\)$/gi,""),o=x[t]={img:e},x.numTotal++,p(e,o)):a(t)||r.allowTaint===!0?(o=x[t]={img:e},x.numTotal++,p(e,o),e.src=t):R&&!r.allowTaint&&r.useCORS?(e.crossOrigin="anonymous",o=x[t]={img:e},x.numTotal++,p(e,o),e.src=t):r.proxy&&(o=x[t]={img:e},x.numTotal++,i(t,e,o)))},cleanupDOM:function(a){var i,l;if(!x.cleanupDone){a&&"string"==typeof a?b.log("html2canvas: Cleanup because: "+a):b.log("html2canvas: Cleanup after timeout: "+r.timeout+" ms."); +for(l in x)if(x.hasOwnProperty(l)&&(i=x[l],"object"==typeof i&&i.callbackname&&i.succeeded===n)){t[i.callbackname]=n;try{delete t[i.callbackname]}catch(s){}i.script&&i.script.parentNode&&(i.script.setAttribute("src","about:blank"),i.script.parentNode.removeChild(i.script)),x.numLoaded++,x.numFailed++,b.log("html2canvas: Cleaned up failed img: '"+l+"' Steps: "+x.numLoaded+" / "+x.numTotal)}t.stop!==n?t.stop():e.execCommand!==n&&e.execCommand("Stop",!1),e.close!==n&&e.close(),x.cleanupDone=!0,a&&"string"==typeof a||o()}},renderingDone:function(){w&&t.clearTimeout(w)}},r.timeout>0&&(w=t.setTimeout(m.cleanupDOM,r.timeout)),b.log("html2canvas: Preload starts: finding background-images"),x.firstRun=!0,f(C),b.log("html2canvas: Preload: Finding images"),y=0;E>y;y+=1)m.loadImage(T[y].getAttribute("src"));return x.firstRun=!1,b.log("html2canvas: Preload: Done."),x.numTotal===x.numLoaded&&o(),m},c.Renderer=function(t,r){function a(t){function e(t){Object.keys(t).sort().forEach(function(n){var r=[],o=[],i=[],l=[];t[n].forEach(function(t){t.node.zIndex.isPositioned||1>t.node.zIndex.opacity?i.push(t):t.node.zIndex.isFloated?o.push(t):r.push(t)}),function s(t){t.forEach(function(t){l.push(t),t.children&&s(t.children)})}(r.concat(o,i)),l.forEach(function(t){t.context?e(t.context):a.push(t.node)})})}var r,a=[];return r=function(t){function e(t,r,a){var o="auto"===r.zIndex.zindex?0:Number(r.zIndex.zindex),i=t,l=r.zIndex.isPositioned,s=r.zIndex.isFloated,c={node:r},d=a;r.zIndex.ownStacking?(i=c.context={"!":[{node:r,children:[]}]},d=n):(l||s)&&(d=c.children=[]),0===o&&a?a.push(c):(t[o]||(t[o]=[]),t[o].push(c)),r.zIndex.children.forEach(function(t){e(i,t,d)})}var r={};return e(r,t),r}(t),e(r),a}function o(t){var e;if("string"==typeof r.renderer&&c.Renderer[t]!==n)e=c.Renderer[t](r);else{if("function"!=typeof t)throw Error("Unknown renderer");e=t(r)}if("function"!=typeof e)throw Error("Invalid renderer defined");return e}return o(r.renderer)(t,r,e,a(t.stack),c)},c.Util.Support=function(t,e){function r(){var t=new Image,r=e.createElement("canvas"),a=r.getContext===n?!1:r.getContext("2d");if(a===!1)return!1;r.width=r.height=10,t.src=["data:image/svg+xml,","","","
","sup","
","",""].join("");try{a.drawImage(t,0,0),r.toDataURL()}catch(o){return!1}return c.Util.log("html2canvas: Parse: SVG powered rendering available"),!0}function a(){var t,n,r,a,o=!1;return e.createRange&&(t=e.createRange(),t.getBoundingClientRect&&(n=e.createElement("boundtest"),n.style.height="123px",n.style.display="block",e.body.appendChild(n),t.selectNode(n),r=t.getBoundingClientRect(),a=r.height,123===a&&(o=!0),e.body.removeChild(n))),o}return{rangeBounds:a(),svgRendering:t.svgRendering&&r()}},t.html2canvas=function(e,n){e=e.length?e:[e];var r,a={logging:!1,elements:e,background:"#fff",proxy:null,timeout:0,useCORS:!1,allowTaint:!1,svgRendering:!1,ignoreElements:"IFRAME|OBJECT|PARAM",useOverflow:!0,letterRendering:!1,chinese:!1,async:!1,width:null,height:null,taintTest:!0,renderer:"Canvas"};return a=c.Util.Extend(n,a),c.logging=a.logging,a.complete=function(t){("function"!=typeof a.onpreloaded||a.onpreloaded(t)!==!1)&&c.Parse(t,a,function(t){("function"!=typeof a.onparsed||a.onparsed(t)!==!1)&&(r=c.Renderer(t,a),"function"==typeof a.onrendered&&a.onrendered(r))})},t.setTimeout(function(){c.Preload(a)},0),{render:function(t,e){return c.Renderer(t,c.Util.Extend(e,a))},parse:function(t,e){return c.Parse(t,c.Util.Extend(e,a))},preload:function(t){return c.Preload(c.Util.Extend(t,a))},log:c.Util.log}},t.html2canvas.log=c.Util.log,t.html2canvas.Renderer={Canvas:n},c.Renderer.Canvas=function(t){function r(t,e){t.beginPath(),e.forEach(function(e){t[e.name].apply(t,e.arguments)}),t.closePath()}function a(t){if(-1===l.indexOf(t.arguments[0].src)){d.drawImage(t.arguments[0],0,0);try{d.getImageData(0,0,1,1)}catch(e){return s=i.createElement("canvas"),d=s.getContext("2d"),!1}l.push(t.arguments[0].src)}return!0}function o(e,n){switch(n.type){case"variable":e[n.name]=n.arguments;break;case"function":switch(n.name){case"createPattern":if(n.arguments[0].width>0&&n.arguments[0].height>0)try{e.fillStyle=e.createPattern(n.arguments[0],"repeat")}catch(o){h.log("html2canvas: Renderer: Error creating pattern",o.message)}break;case"drawShape":r(e,n.arguments);break;case"drawImage":n.arguments[8]>0&&n.arguments[7]>0&&(!t.taintTest||t.taintTest&&a(n))&&e.drawImage.apply(e,n.arguments);break;default:e[n.name].apply(e,n.arguments)}}}t=t||{};var i=e,l=[],s=e.createElement("canvas"),d=s.getContext("2d"),h=c.Util,u=t.canvas||i.createElement("canvas");return function(t,e,r,a,i){var l,s,c,d=u.getContext("2d"),f=t.stack;return u.width=u.style.width=e.width||f.ctx.width,u.height=u.style.height=e.height||f.ctx.height,c=d.fillStyle,d.fillStyle=h.isTransparent(t.backgroundColor)&&e.background!==n?e.background:t.backgroundColor,d.fillRect(0,0,u.width,u.height),d.fillStyle=c,a.forEach(function(t){d.textBaseline="bottom",d.save(),t.transform.matrix&&(d.translate(t.transform.origin[0],t.transform.origin[1]),d.transform.apply(d,t.transform.matrix),d.translate(-t.transform.origin[0],-t.transform.origin[1])),t.clip&&(d.beginPath(),d.rect(t.clip.left,t.clip.top,t.clip.width,t.clip.height),d.clip()),t.ctx.storage&&t.ctx.storage.forEach(function(t){o(d,t)}),d.restore()}),h.log("html2canvas: Renderer: Canvas renderer done - returning canvas obj"),1===e.elements.length&&"object"==typeof e.elements[0]&&"BODY"!==e.elements[0].nodeName?(s=i.Util.Bounds(e.elements[0]),l=r.createElement("canvas"),l.width=Math.ceil(s.width),l.height=Math.ceil(s.height),d=l.getContext("2d"),d.drawImage(u,s.left,s.top,s.width,s.height,0,0,s.width,s.height),u=null,l):u}}})(window,document); \ No newline at end of file diff --git a/src/Core.js b/src/Core.js index fc8e6e8..f0121e2 100644 --- a/src/Core.js +++ b/src/Core.js @@ -226,9 +226,8 @@ 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 + if(attribute === 'backgroundSize' && (value[0] && value[0].match(/^(cover|contain|auto)$/))) { + return value; } else { value[0] = (value[0].indexOf( "%" ) === -1) ? toPX(element, attribute + "X", value[0]) : value[0]; if(value[1] === undefined) { @@ -287,71 +286,71 @@ _html2canvas.Util.resizeBounds = function( current_width, current_height, target }; }; -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; +_html2canvas.Util.BackgroundPosition = function(element, bounds, image, imageIndex, backgroundSize ) { + var backgroundPosition = _html2canvas.Util.getCSS(element, 'backgroundPosition', imageIndex), + leftPosition, + topPosition; + if (backgroundPosition.length === 1){ + backgroundPosition = [backgroundPosition[0], backgroundPosition[0]]; } - if (bgposition[0].toString().indexOf("%") !== -1){ - percentage = (parseFloat(bgposition[0])/100); - left = bounds.width * percentage; - if(prop !== 'backgroundSize') { - left -= (backgroundSize || image).width*percentage; - } + if (backgroundPosition[0].toString().indexOf("%") !== -1){ + leftPosition = (bounds.width - (backgroundSize || image).width) * (parseFloat(backgroundPosition[0]) / 100); } 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); - } + leftPosition = parseInt(backgroundPosition[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; - } - + if (backgroundPosition[1] === 'auto') { + topPosition = leftPosition / image.width * image.height; + } else if (backgroundPosition[1].toString().indexOf("%") !== -1){ + topPosition = (bounds.height - (backgroundSize || image).height) * parseFloat(backgroundPosition[1]) / 100; } else { - topPos = parseInt(bgposition[1],10); + topPosition = parseInt(backgroundPosition[1], 10); } - return [left, topPos]; -} + if (backgroundPosition[0] === 'auto') { + leftPosition = topPosition / image.height * image.width; + } -_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] }; + return {left: leftPosition, top: topPosition}; }; -_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.BackgroundSize = function(element, bounds, image, imageIndex) { + var backgroundSize = _html2canvas.Util.getCSS(element, 'backgroundSize', imageIndex), + width, + height; + + if (backgroundSize.length === 1){ + backgroundSize = [backgroundSize[0], backgroundSize[0]]; + } + + if (backgroundSize[0].toString().indexOf("%") !== -1){ + width = bounds.width * parseFloat(backgroundSize[0]) / 100; + } else if(backgroundSize[0] === 'auto') { + width = image.width; + } else { + if (/contain|cover/.test(backgroundSize[0])) { + var resized = _html2canvas.Util.resizeBounds(image.width, image.height, bounds.width, bounds.height, backgroundSize[0]); + return {width: resized.width, height: resized.height}; + } else { + width = parseInt(backgroundSize[0], 10); + } + } + + if(backgroundSize[1] === 'auto') { + height = width / image.width * image.height; + } else if (backgroundSize[1].toString().indexOf("%") !== -1){ + height = bounds.height * parseFloat(backgroundSize[1]) / 100; + } else { + height = parseInt(backgroundSize[1],10); + } + + + if (backgroundSize[0] === 'auto') { + width = height / image.height * image.width; + } + + return {width: width, height: height}; }; _html2canvas.Util.Extend = function (options, defaults) { @@ -406,5 +405,5 @@ _html2canvas.Util.Children = function( elem ) { }; _html2canvas.Util.isTransparent = function(backgroundColor) { - return (backgroundColor === "transparent" || backgroundColor === "rgba(0, 0, 0, 0)"); + return (!backgroundColor || backgroundColor === "transparent" || backgroundColor === "rgba(0, 0, 0, 0)"); }; \ No newline at end of file