diff --git a/dist/html2canvas.js b/dist/html2canvas.js index aa00752..b7b0ab1 100644 --- a/dist/html2canvas.js +++ b/dist/html2canvas.js @@ -580,12 +580,13 @@ window.html2canvas = function(nodeList, options) { options.async = typeof(options.async) === "undefined" ? true : options.async; options.allowTaint = typeof(options.allowTaint) === "undefined" ? false : options.allowTaint; options.removeContainer = typeof(options.removeContainer) === "undefined" ? true : options.removeContainer; + options.javascriptEnabled = typeof(options.javascriptEnabled) === "undefined" ? false : options.javascriptEnabled; if (typeof(nodeList) === "string") { if (typeof(options.proxy) !== "string") { return Promise.reject("Proxy must be used when rendering url"); } - return loadUrlDocument(absoluteUrl(nodeList), options.proxy, document, window.innerWidth, window.innerHeight).then(function(container) { + return loadUrlDocument(absoluteUrl(nodeList), options.proxy, document, window.innerWidth, window.innerHeight, options).then(function(container) { return renderWindow(container.contentWindow.document.documentElement, container, options, window.innerWidth, window.innerHeight); }); } @@ -627,14 +628,18 @@ function renderWindow(node, container, options, windowWidth, windowHeight) { return parser.ready.then(function() { log("Finished rendering"); var canvas = (options.type !== "view" && (node === clonedWindow.document.body || node === clonedWindow.document.documentElement)) ? renderer.canvas : crop(renderer.canvas, bounds); - if (options.removeContainer) { - container.parentNode.removeChild(container); - log("Cleaned up container"); - } + cleanupContainer(container, options); return canvas; }); } +function cleanupContainer(container, options) { + if (options.removeContainer) { + container.parentNode.removeChild(container); + log("Cleaned up container"); + } +} + function crop(canvas, bounds) { var croppedCanvas = document.createElement("canvas"); var x1 = Math.min(canvas.width - 1, Math.max(0, bounds.left)); @@ -698,16 +703,16 @@ function createWindowClone(ownerDocument, containerDocument, width, height, opti documentClone.write(""); documentClone.close(); - documentClone.replaceChild(removeScriptNodes(documentClone.adoptNode(documentElement)), documentClone.documentElement); + documentClone.replaceChild(options.javascriptEnabled === true ? documentClone.adoptNode(documentElement) : removeScriptNodes(documentClone.adoptNode(documentElement)), documentClone.documentElement); if (options.type === "view") { container.contentWindow.scrollTo(window.pageXOffset, window.pageYOffset); } }); } -function loadUrlDocument(src, proxy, document, width, height) { +function loadUrlDocument(src, proxy, document, width, height, options) { return new Proxy(src, proxy, window.document).then(documentFromHTML(src)).then(function(doc) { - return createWindowClone(doc, document, width, height, {}); + return createWindowClone(doc, document, width, height, options); }); } @@ -852,12 +857,12 @@ FontMetrics.prototype.getMetrics = function(family, size) { return this.data[family + "-" + size]; }; -function FrameContainer(container, sameOrigin, proxy) { +function FrameContainer(container, sameOrigin, options) { this.image = null; this.src = container; var self = this; var bounds = getBounds(container); - this.promise = (!sameOrigin ? this.proxyLoad(proxy, bounds) : new Promise(function(resolve) { + this.promise = (!sameOrigin ? this.proxyLoad(options.proxy, bounds, options) : new Promise(function(resolve) { if (container.contentWindow.document.URL === "about:blank" || container.contentWindow.document.documentElement == null) { container.contentWindow.onload = container.onload = function() { resolve(container); @@ -866,15 +871,15 @@ function FrameContainer(container, sameOrigin, proxy) { resolve(container); } })).then(function(container) { - return html2canvas(container.contentWindow.document.documentElement, {type: 'view', proxy: proxy}); + return html2canvas(container.contentWindow.document.documentElement, {type: 'view', proxy: options.proxy, javascriptEnabled: options.javascriptEnabled, removeContainer: options.removeContainer}); }).then(function(canvas) { return self.image = canvas; }); } -FrameContainer.prototype.proxyLoad = function(proxy, bounds) { +FrameContainer.prototype.proxyLoad = function(proxy, bounds, options) { var container = this.src; - return loadUrlDocument(container.src, proxy, container.ownerDocument, bounds.width, bounds.height); + return loadUrlDocument(container.src, proxy, container.ownerDocument, bounds.width, bounds.height, options); }; function GradientContainer(imageData) { @@ -982,7 +987,7 @@ ImageLoader.prototype.loadImage = function(imageData) { } else if (imageData.method === "svg") { return new SVGNodeContainer(imageData.args[0], this.support.svg); } else if (imageData.method === "IFRAME") { - return new FrameContainer(imageData.args[0], this.isSameOrigin(imageData.args[0].src), this.options.proxy); + return new FrameContainer(imageData.args[0], this.isSameOrigin(imageData.args[0].src), this.options); } else { return new DummyImageContainer(imageData); } diff --git a/dist/html2canvas.min.js b/dist/html2canvas.min.js index 5fad335..08807e4 100644 --- a/dist/html2canvas.min.js +++ b/dist/html2canvas.min.js @@ -4,5 +4,5 @@ Released under MIT License */ -!function(a,b,c){function d(a,b,c,d){return j(a,a,c,d,b).then(function(f){z("Document cloned");var g="["+Jb+"='true']";a.querySelector(g).removeAttribute(Jb);var h=f.contentWindow,i=h.document.querySelector(g);return e(i,f,b,c,d)})}function e(a,c,d,e,i){var j=c.contentWindow,k=new zb(j.document),l=new x(d,k),m=H(a),n=null!=d.width?d.width:"view"===d.type?Math.min(m.width,e):g(j.document),o=null!=d.height?d.height:"view"===d.type?Math.min(m.height,i):h(j.document),p=new Hb(n,o,l,d,b),q=new J(a,p,k,l,d);return q.ready.then(function(){z("Finished rendering");var 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c=this.images.get(a.node);c?this.renderer.renderImage(a,b,a.borders,c):z("Error loading <"+a.node.nodeName+">",a.node);break;case"IMG":var d=this.images.get(a.node.src);d?this.renderer.renderImage(a,b,a.borders,d):z("Error loading ",a.node.src);break;case"CANVAS":this.renderer.renderImage(a,b,a.borders,{image:a.node});break;case"SELECT":case"INPUT":case"TEXTAREA":this.paintFormValue(a)}},this)},J.prototype.paintFormValue=function(a){if(a.getValue().length>0){var b=a.node.ownerDocument,c=b.createElement("html2canvaswrapper"),d=["lineHeight","textAlign","fontFamily","fontWeight","fontSize","color","paddingLeft","paddingTop","paddingRight","paddingBottom","width","height","borderLeftStyle","borderTopStyle","borderLeftWidth","borderTopWidth","boxSizing","whiteSpace","wordWrap"];d.forEach(function(b){try{c.style[b]=a.css(b)}catch(d){z("html2canvas: Parse: Exception caught in renderFormValue: "+d.message)}});var e=a.parseBounds();c.style.position="absolute",c.style.left=e.left+"px",c.style.top=e.top+"px",c.textContent=a.getValue(),b.body.appendChild(c),this.paintText(new Db(c.firstChild,a)),b.body.removeChild(c)}},J.prototype.paintText=function(b){b.applyTextTransform();var c=a.html2canvas.punycode.ucs2.decode(b.node.data),d=this.options.letterRendering&&!Y(b)||qb(b.node.data)?c.map(function(b){return a.html2canvas.punycode.ucs2.encode([b])}):ob(c),e=b.parent.fontWeight(),f=b.parent.css("fontSize"),g=b.parent.css("fontFamily"),h=b.parent.parseTextShadows();this.renderer.font(b.parent.css("color"),b.parent.css("fontStyle"),b.parent.css("fontVariant"),e,f,g),h.length?this.renderer.fontShadow(h[0].color,h[0].offsetX,h[0].offsetY,h[0].blur):this.renderer.clearShadow(),this.renderer.clip(b.parent.clip,function(){d.map(this.parseTextBounds(b),this).forEach(function(a,c){a&&(this.renderer.text(d[c],a.left,a.bottom),this.renderTextDecoration(b.parent,a,this.fontMetrics.getMetrics(g,f)))},this)},this)},J.prototype.renderTextDecoration=function(a,b,c){switch(a.css("textDecoration").split(" 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1:g=b.left+b.width-d[1].width,i=d[1].width,a.args=Q({c1:[g+i,h],c2:[g+i,h+j+d[2].width],c3:[g,h+j],c4:[g,h+d[0].width]},c[1],c[2],e.topRightOuter,e.topRightInner,e.bottomRightOuter,e.bottomRightInner);break;case 2:h=h+b.height-d[2].width,j=d[2].width,a.args=Q({c1:[g+i,h+j],c2:[g,h+j],c3:[g+d[3].width,h],c4:[g+i-d[3].width,h]},c[2],c[3],e.bottomRightOuter,e.bottomRightInner,e.bottomLeftOuter,e.bottomLeftInner);break;case 3:i=d[3].width,a.args=Q({c1:[g,h+j+d[2].width],c2:[g,h],c3:[g+i,h+d[0].width],c4:[g+i,h+j]},c[3],c[0],e.bottomLeftOuter,e.bottomLeftInner,e.topLeftOuter,e.topLeftInner)}}return a})}},J.prototype.parseBackgroundClip=function(a,b,c,d,e){var f=a.css("backgroundClip"),g=[];switch(f){case"content-box":case"padding-box":R(g,d[0],d[1],b.topLeftInner,b.topRightInner,e.left+c[3].width,e.top+c[0].width),R(g,d[1],d[2],b.topRightInner,b.bottomRightInner,e.left+e.width-c[1].width,e.top+c[0].width),R(g,d[2],d[3],b.bottomRightInner,b.bottomLeftInner,e.left+e.width-c[1].width,e.top+e.height-c[2].width),R(g,d[3],d[0],b.bottomLeftInner,b.topLeftInner,e.left+c[3].width,e.top+e.height-c[2].width);break;default:R(g,d[0],d[1],b.topLeftOuter,b.topRightOuter,e.left,e.top),R(g,d[1],d[2],b.topRightOuter,b.bottomRightOuter,e.left+e.width,e.top),R(g,d[2],d[3],b.bottomRightOuter,b.bottomLeftOuter,e.left+e.width,e.top+e.height),R(g,d[3],d[0],b.bottomLeftOuter,b.topLeftOuter,e.left,e.top+e.height)}return g},J.prototype.pseudoHideClass="___html2canvas___pseudoelement";var Mb=0,Nb="withCredentials"in new XMLHttpRequest,Ob="crossOrigin"in new Image;xb.prototype.renderImage=function(a,b,c,d){var e=a.cssInt("paddingLeft"),f=a.cssInt("paddingTop"),g=a.cssInt("paddingRight"),h=a.cssInt("paddingBottom"),i=c.borders,j=b.width-(i[1].width+i[3].width+e+g),k=b.height-(i[0].width+i[2].width+f+h);this.drawImage(d,0,0,d.image.width||j,d.image.height||k,b.left+e+i[3].width,b.top+f+i[0].width,j,k)},xb.prototype.renderBackground=function(a,b,c){b.height>0&&b.width>0&&(this.renderBackgroundColor(a,b),this.renderBackgroundImage(a,b,c))},xb.prototype.renderBackgroundColor=function(a,b){var c=a.css("backgroundColor");this.isTransparent(c)||this.rectangle(b.left,b.top,b.width,b.height,a.css("backgroundColor"))},xb.prototype.renderBorders=function(a){a.forEach(this.renderBorder,this)},xb.prototype.renderBorder=function(a){this.isTransparent(a.color)||null===a.args||this.drawShape(a.args,a.color)},xb.prototype.renderBackgroundImage=function(a,b,c){var d=a.parseBackgroundImages();d.reverse().forEach(function(d,e,f){switch(d.method){case"url":var g=this.images.get(d.args[0]);g?this.renderBackgroundRepeating(a,b,g,f.length-(e+1),c):z("Error loading background-image",d.args[0]);break;case"linear-gradient":case"gradient":var h=this.images.get(d.value);h?this.renderBackgroundGradient(h,b,c):z("Error loading background-image",d.args[0]);break;case"none":break;default:z("Unknown background-image type",d.args[0])}},this)},xb.prototype.renderBackgroundRepeating=function(a,b,c,d,e){var f=a.parseBackgroundSize(b,c.image,d),g=a.parseBackgroundPosition(b,c.image,d,f),h=a.parseBackgroundRepeat(d);switch(h){case"repeat-x":case"repeat no-repeat":this.backgroundRepeatShape(c,g,f,b,b.left+e[3],b.top+g.top+e[0],99999,f.height,e);break;case"repeat-y":case"no-repeat repeat":this.backgroundRepeatShape(c,g,f,b,b.left+g.left+e[3],b.top+e[0],f.width,99999,e);break;case"no-repeat":this.backgroundRepeatShape(c,g,f,b,b.left+g.left+e[3],b.top+g.top+e[0],f.width,f.height,e);break;default:this.renderBackgroundRepeat(c,g,f,{top:b.top,left:b.left},e[3],e[0])}},xb.prototype.isTransparent=function(a){return!a||"transparent"===a||"rgba(0, 0, 0, 0)"===a},yb.prototype=Object.create(A.prototype),yb.prototype.getParentStack=function(a){var b=this.parent?this.parent.stack:null;return b?b.ownStacking?b:b.getParentStack(a):a.stack},zb.prototype.testRangeBounds=function(a){var b,c,d,e,f=!1;return a.createRange&&(b=a.createRange(),b.getBoundingClientRect&&(c=a.createElement("boundtest"),c.style.height="123px",c.style.display="block",a.body.appendChild(c),b.selectNode(c),d=b.getBoundingClientRect(),e=d.height,123===e&&(f=!0),a.body.removeChild(c))),f},zb.prototype.testCORS=function(){return"undefined"!=typeof(new Image).crossOrigin},zb.prototype.testSVG=function(){var a=new Image,c=b.createElement("canvas"),d=c.getContext("2d");a.src="data:image/svg+xml,";try{d.drawImage(a,0,0),c.toDataURL()}catch(e){return!1}return!0},Ab.prototype.hasFabric=function(){return html2canvas.fabric?Promise.resolve():Promise.reject(new Error("html2canvas.svg.js is not loaded, cannot render svg"))},Ab.prototype.inlineFormatting=function(a){return/^data:image\/svg\+xml;base64,/.test(a)?this.decode64(this.removeContentType(a)):this.removeContentType(a)},Ab.prototype.removeContentType=function(a){return a.replace(/^data:image\/svg\+xml(;base64)?,/,"")},Ab.prototype.isInline=function(a){return/^data:image\/svg\+xml/i.test(a)},Ab.prototype.createCanvas=function(a){var b=this;return function(c,d){var e=new html2canvas.fabric.StaticCanvas("c");b.image=e.lowerCanvasEl,e.setWidth(d.width).setHeight(d.height).add(html2canvas.fabric.util.groupSVGElements(c,d)).renderAll(),a(e.lowerCanvasEl)}},Ab.prototype.decode64=function(b){return"function"==typeof a.atob?a.atob(b):Bb(b)},Cb.prototype=Object.create(Ab.prototype),Db.prototype=Object.create(A.prototype),Db.prototype.applyTextTransform=function(){this.node.data=this.transform(this.parent.css("textTransform"))},Db.prototype.transform=function(a){var b=this.node.data;switch(a){case"lowercase":return b.toLowerCase();case"capitalize":return b.replace(/(^|\s|:|-|\(|\))([a-z])/g,Eb);case"uppercase":return b.toUpperCase();default:return b}},Fb.prototype=Object.create(v.prototype),Hb.prototype=Object.create(xb.prototype),Hb.prototype.setFillStyle=function(a){return this.ctx.fillStyle=a,this.ctx},Hb.prototype.rectangle=function(a,b,c,d,e){this.setFillStyle(e).fillRect(a,b,c,d)},Hb.prototype.drawShape=function(a,b){this.shape(a),this.setFillStyle(b).fill()},Hb.prototype.taints=function(a){if(null===a.tainted){this.taintCtx.drawImage(a.image,0,0);try{this.taintCtx.getImageData(0,0,1,1),a.tainted=!1}catch(c){this.taintCtx=b.createElement("canvas").getContext("2d"),a.tainted=!0}}return a.tainted},Hb.prototype.drawImage=function(a,b,c,d,e,f,g,h,i){(!this.taints(a)||this.options.allowTaint)&&this.ctx.drawImage(a.image,b,c,d,e,f,g,h,i)},Hb.prototype.clip=function(a,b,c){this.ctx.save(),a.filter(Ib).forEach(function(a){this.shape(a).clip()},this),b.call(c),this.ctx.restore()},Hb.prototype.shape=function(a){return this.ctx.beginPath(),a.forEach(function(a,b){this.ctx[0===b?"moveTo":a[0]+"To"].apply(this.ctx,a.slice(1))},this),this.ctx.closePath(),this.ctx},Hb.prototype.font=function(a,b,c,d,e,f){this.setFillStyle(a).font=[b,c,d,e,f].join(" 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j=[["line",Math.round(e),Math.round(f)],["line",Math.round(e+g),Math.round(f)],["line",Math.round(e+g),Math.round(h+f)],["line",Math.round(e),Math.round(h+f)]];this.clip([j],function(){this.renderBackgroundRepeat(a,b,c,d,i[3],i[0])},this)},Hb.prototype.renderBackgroundRepeat=function(a,b,c,d,e,f){var g=Math.round(d.left+b.left+e),h=Math.round(d.top+b.top+f);this.setFillStyle(this.ctx.createPattern(this.resizeImage(a,c),"repeat")),this.ctx.translate(g,h),this.ctx.fill(),this.ctx.translate(-g,-h)},Hb.prototype.renderBackgroundGradient=function(a,b){if(a instanceof y){var c=this.ctx.createLinearGradient(b.left+b.width*a.x0,b.top+b.height*a.y0,b.left+b.width*a.x1,b.top+b.height*a.y1);a.colorStops.forEach(function(a){c.addColorStop(a.stop,a.color)}),this.rectangle(b.left,b.top,b.width,b.height,c)}},Hb.prototype.resizeImage=function(a,c){var d=a.image;if(d.width===c.width&&d.height===c.height)return d;var e,f=b.createElement("canvas");return 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a.concat([{args:[b.node.src],method:"url"}]);case"svg":case"IFRAME":return a.concat([{args:[b.node],method:b.node.nodeName}])}return a},[]).forEach(this.addImage(b,this.loadImage),this),b},y.prototype.findBackgroundImage=function(a,b){return b.parseBackgroundImages().filter(this.hasImageBackground).forEach(this.addImage(a,this.loadImage),this),a},y.prototype.addImage=function(a,b){return function(c){c.args.forEach(function(d){this.imageExists(a,d)||(a.splice(0,0,b.call(this,c)),A("Added image #"+a.length,"string"==typeof d?d.substring(0,100):d))},this)}},y.prototype.hasImageBackground=function(a){return"none"!==a.method},y.prototype.loadImage=function(a){if("url"===a.method){var b=a.args[0];return!this.isSVG(b)||this.support.svg||this.options.allowTaint?b.match(/data:image\/.*;base64,/i)?new x(b.replace(/url\(['"]{0,}|['"]{0,}\)$/gi,""),!1):this.isSameOrigin(b)||this.options.allowTaint===!0||this.isSVG(b)?new x(b,!1):this.support.cors&&!this.options.allowTaint&&this.options.useCORS?new x(b,!0):this.options.proxy?new xb(b,this.options.proxy):new s(b):new Bb(b)}return"linear-gradient"===a.method?new z(a):"gradient"===a.method?new Gb(a):"svg"===a.method?new Db(a.args[0],this.support.svg):"IFRAME"===a.method?new v(a.args[0],this.isSameOrigin(a.args[0].src),this.options):new s(a)},y.prototype.isSVG=function(a){return/(.+).svg$/i.test(a)||Bb.prototype.isInline(a)},y.prototype.imageExists=function(a,b){return a.some(function(a){return a.src===b})},y.prototype.isSameOrigin=function(a){var c=this.link||(this.link=b.createElement("a"));c.href=a,c.href=c.href;var d=c.protocol+c.hostname+c.port;return d===this.origin},y.prototype.getPromise=function(a){return a.promise["catch"](function(){var b=new s(a.src);return b.promise.then(function(b){a.image=b})})},y.prototype.get=function(a){var b=null;return this.images.some(function(c){return(b=c).src===a})?b:null},y.prototype.fetch=function(a){return this.images=a.reduce(jb(this.findBackgroundImage,this),this.findImages(a)),this.images.forEach(function(a,b){a.promise.then(function(){A("Succesfully loaded image #"+(b+1))},function(a){A("Failed loading image #"+(b+1),a)})}),this.ready=Promise.all(this.images.map(this.getPromise)),A("Finished searching images"),this},z.prototype=Object.create(w.prototype),z.prototype.stepRegExp=/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\s*(\d{1,3})?(%|px)?/,B.prototype.assignStack=function(a){this.stack=a,a.children.push(this)},B.prototype.isElementVisible=function(){return this.node.nodeType===Node.TEXT_NODE?this.parent.visible:"none"!==this.css("display")&&"hidden"!==this.css("visibility")&&!this.node.hasAttribute("data-html2canvas-ignore")&&("INPUT"!==this.node.nodeName||"hidden"!==this.node.getAttribute("type"))},B.prototype.css=function(a){return this.computedStyles||(this.computedStyles=this.computedStyle(null)),this.styles[a]||(this.styles[a]=this.computedStyles[a])},B.prototype.prefixedCss=function(a){var b=["webkit","moz","ms","o"],d=this.css(a);return d===c&&b.some(function(b){return d=this.css(b+a.substr(0,1).toUpperCase()+a.substr(1)),d!==c},this),d===c?null:d},B.prototype.computedStyle=function(a){return this.node.ownerDocument.defaultView.getComputedStyle(this.node,a)},B.prototype.cssInt=function(a){var b=parseInt(this.css(a),10);return isNaN(b)?0:b},B.prototype.cssFloat=function(a){var b=parseFloat(this.css(a));return isNaN(b)?0:b},B.prototype.fontWeight=function(){var a=this.css("fontWeight");switch(parseInt(a,10)){case 401:a="bold";break;case 400:a="normal"}return a},B.prototype.parseBackgroundImages=function(){return this.backgroundImages||(this.backgroundImages=F(this.css("backgroundImage")))},B.prototype.cssList=function(a,b){var c=(this.css(a)||"").split(",");return c=c[b||0]||c[0]||"auto",c=c.trim().split(" 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this.cssList("backgroundRepeat",a)[0]},B.prototype.parseTextShadows=function(){var a=this.css("textShadow"),b=[];if(a&&"none"!==a)for(var c=a.match(this.TEXT_SHADOW_PROPERTY),d=0;c&&dDate.now()?this.asyncRenderer(a,b,c):setTimeout(jb(function(){this.asyncRenderer(a,b)},this),0)},K.prototype.createPseudoHideStyles=function(a){var b=a.createElement("style");b.innerHTML="."+this.pseudoHideClass+':before { content: "" !important; display: none !important; }.'+this.pseudoHideClass+':after { content: "" !important; display: none !important; }',a.body.appendChild(b)},K.prototype.getPseudoElements=function(a){var b=[[a]];if(a.node.nodeType===Node.ELEMENT_NODE){var c=this.getPseudoElement(a,":before"),d=this.getPseudoElement(a,":after");c&&(a.node.insertBefore(c[0].node,a.node.firstChild),b.push(c)),d&&(a.node.appendChild(d[0].node),b.push(d)),(c||d)&&(a.node.className+=" "+this.pseudoHideClass)}return nb(b)},K.prototype.getPseudoElement=function(a,c){var d=a.computedStyle(c);if(!d||!d.content||"none"===d.content||"-moz-alt-content"===d.content||"none"===d.display)return null;for(var e=ob(d.content),f="url"===e.substr(0,3),g=b.createElement(f?"img":"html2canvaspseudoelement"),h=new B(g,a),i=d.length-1;i>=0;i--){var j=M(d.item(i));g.style[j]=d[j]}if(g.className=this.pseudoHideClass,f)return g.src=F(e)[0].args[0],[h];var k=b.createTextNode(e);return g.appendChild(k),[h,new Eb(k,h)]},K.prototype.getChildren=function(a){return nb([].filter.call(a.node.childNodes,_).map(function(b){var c=[b.nodeType===Node.TEXT_NODE?new Eb(b,a):new B(b,a)].filter(mb);return b.nodeType===Node.ELEMENT_NODE&&c.length&&"TEXTAREA"!==b.tagName?c[0].isElementVisible()?c.concat(this.getChildren(c[0])):[]:c},this))},K.prototype.newStackingContext=function(a,b){var c=new zb(b,a.cssFloat("opacity"),a.node,a.parent);c.visible=a.visible,c.borders=a.borders,c.bounds=a.bounds,c.clip=a.clip,c.backgroundClip=a.backgroundClip;var d=b?c.getParentStack(this):c.parent.stack;d.contexts.push(c),a.stack=c},K.prototype.createStackingContexts=function(){this.nodes.forEach(function(a){fb(a)&&(this.isRootElement(a)||ib(a)||ab(a)||this.isBodyWithTransparentRoot(a)||a.hasTransform())?this.newStackingContext(a,!0):fb(a)&&(bb(a)&&V(a)||db(a)||cb(a))?this.newStackingContext(a,!1):a.assignStack(a.parent.stack)},this)},K.prototype.isBodyWithTransparentRoot=function(a){return"BODY"===a.node.nodeName&&this.renderer.isTransparent(a.parent.css("backgroundColor"))},K.prototype.isRootElement=function(a){return null===a.parent},K.prototype.sortStackingContexts=function(a){a.contexts.sort(hb),a.contexts.forEach(this.sortStackingContexts,this)},K.prototype.parseTextBounds=function(a){return function(b,c,d){if("none"!==a.parent.css("textDecoration").substr(0,4)||0!==b.trim().length){if(this.support.rangeBounds&&!a.parent.hasTransform()){var e=d.slice(0,c).join("").length;return this.getRangeBounds(a.node,e,b.length)}if(a.node&&"string"==typeof a.node.data){var f=a.node.splitText(b.length),g=this.getWrapperBounds(a.node,a.parent.hasTransform());return a.node=f,g}}else(!this.support.rangeBounds||a.parent.hasTransform())&&(a.node=a.node.splitText(b.length));return{}}},K.prototype.getWrapperBounds=function(a,b){var c=a.ownerDocument.createElement("html2canvaswrapper"),d=a.parentNode,e=a.cloneNode(!0);c.appendChild(a.cloneNode(!0)),d.replaceChild(c,a);var f=b?J(c):I(c);return d.replaceChild(e,c),f},K.prototype.getRangeBounds=function(a,b,c){var d=this.range||(this.range=a.ownerDocument.createRange());return d.setStart(a,b),d.setEnd(a,b+c),d.getBoundingClientRect()},K.prototype.parse=function(a){var b=a.contexts.filter(T),c=a.children.filter(fb),d=c.filter(eb(cb)),e=d.filter(eb(bb)).filter(eb(W)),f=c.filter(eb(bb)).filter(cb),g=d.filter(eb(bb)).filter(W),h=a.contexts.concat(d.filter(bb)).filter(V),i=a.children.filter(gb).filter(Y),j=a.contexts.filter(U);b.concat(e).concat(f).concat(g).concat(h).concat(i).concat(j).forEach(function(a){this.renderQueue.push(a),X(a)&&(this.parse(a),this.renderQueue.push(new N))},this)},K.prototype.paint=function(a){try{a instanceof N?this.renderer.ctx.restore():gb(a)?this.paintText(a):this.paintNode(a)}catch(b){A(b)}},K.prototype.paintNode=function(a){X(a)&&(this.renderer.setOpacity(a.opacity),this.renderer.ctx.save(),a.hasTransform()&&this.renderer.setTransform(a.parseTransform()));var b=a.parseBounds();this.renderer.clip(a.backgroundClip,function(){this.renderer.renderBackground(a,b,a.borders.borders.map(lb))},this),this.renderer.clip(a.clip,function(){switch(this.renderer.renderBorders(a.borders.borders),a.node.nodeName){case"svg":case"IFRAME":var c=this.images.get(a.node);c?this.renderer.renderImage(a,b,a.borders,c):A("Error loading <"+a.node.nodeName+">",a.node);break;case"IMG":var d=this.images.get(a.node.src);d?this.renderer.renderImage(a,b,a.borders,d):A("Error loading ",a.node.src);break;case"CANVAS":this.renderer.renderImage(a,b,a.borders,{image:a.node});break;case"SELECT":case"INPUT":case"TEXTAREA":this.paintFormValue(a)}},this)},K.prototype.paintFormValue=function(a){if(a.getValue().length>0){var b=a.node.ownerDocument,c=b.createElement("html2canvaswrapper"),d=["lineHeight","textAlign","fontFamily","fontWeight","fontSize","color","paddingLeft","paddingTop","paddingRight","paddingBottom","width","height","borderLeftStyle","borderTopStyle","borderLeftWidth","borderTopWidth","boxSizing","whiteSpace","wordWrap"];d.forEach(function(b){try{c.style[b]=a.css(b)}catch(d){A("html2canvas: Parse: Exception caught in renderFormValue: "+d.message)}});var e=a.parseBounds();c.style.position="absolute",c.style.left=e.left+"px",c.style.top=e.top+"px",c.textContent=a.getValue(),b.body.appendChild(c),this.paintText(new Eb(c.firstChild,a)),b.body.removeChild(c)}},K.prototype.paintText=function(b){b.applyTextTransform();var c=a.html2canvas.punycode.ucs2.decode(b.node.data),d=this.options.letterRendering&&!Z(b)||rb(b.node.data)?c.map(function(b){return a.html2canvas.punycode.ucs2.encode([b])}):pb(c),e=b.parent.fontWeight(),f=b.parent.css("fontSize"),g=b.parent.css("fontFamily"),h=b.parent.parseTextShadows();this.renderer.font(b.parent.css("color"),b.parent.css("fontStyle"),b.parent.css("fontVariant"),e,f,g),h.length?this.renderer.fontShadow(h[0].color,h[0].offsetX,h[0].offsetY,h[0].blur):this.renderer.clearShadow(),this.renderer.clip(b.parent.clip,function(){d.map(this.parseTextBounds(b),this).forEach(function(a,c){a&&(this.renderer.text(d[c],a.left,a.bottom),this.renderTextDecoration(b.parent,a,this.fontMetrics.getMetrics(g,f)))},this)},this)},K.prototype.renderTextDecoration=function(a,b,c){switch(a.css("textDecoration").split(" ")[0]){case"underline":this.renderer.rectangle(b.left,Math.round(b.top+c.baseline+c.lineWidth),b.width,1,a.css("color"));break;case"overline":this.renderer.rectangle(b.left,Math.round(b.top),b.width,1,a.css("color"));break;case"line-through":this.renderer.rectangle(b.left,Math.ceil(b.top+c.middle+c.lineWidth),b.width,1,a.css("color"))}},K.prototype.parseBorders=function(a){var b=a.parseBounds(),c=$(a),d=["Top","Right","Bottom","Left"].map(function(b){return{width:a.cssInt("border"+b+"Width"),color:a.css("border"+b+"Color"),args:null}}),e=P(b,c,d);return{clip:this.parseBackgroundClip(a,e,d,c,b),borders:d.map(function(a,f){if(a.width>0){var g=b.left,h=b.top,i=b.width,j=b.height-d[2].width;switch(f){case 0:j=d[0].width,a.args=R({c1:[g,h],c2:[g+i,h],c3:[g+i-d[1].width,h+j],c4:[g+d[3].width,h+j]},c[0],c[1],e.topLeftOuter,e.topLeftInner,e.topRightOuter,e.topRightInner);break;case 1:g=b.left+b.width-d[1].width,i=d[1].width,a.args=R({c1:[g+i,h],c2:[g+i,h+j+d[2].width],c3:[g,h+j],c4:[g,h+d[0].width]},c[1],c[2],e.topRightOuter,e.topRightInner,e.bottomRightOuter,e.bottomRightInner);break;case 2:h=h+b.height-d[2].width,j=d[2].width,a.args=R({c1:[g+i,h+j],c2:[g,h+j],c3:[g+d[3].width,h],c4:[g+i-d[3].width,h]},c[2],c[3],e.bottomRightOuter,e.bottomRightInner,e.bottomLeftOuter,e.bottomLeftInner);break;case 3:i=d[3].width,a.args=R({c1:[g,h+j+d[2].width],c2:[g,h],c3:[g+i,h+d[0].width],c4:[g+i,h+j]},c[3],c[0],e.bottomLeftOuter,e.bottomLeftInner,e.topLeftOuter,e.topLeftInner)}}return a})}},K.prototype.parseBackgroundClip=function(a,b,c,d,e){var f=a.css("backgroundClip"),g=[];switch(f){case"content-box":case"padding-box":S(g,d[0],d[1],b.topLeftInner,b.topRightInner,e.left+c[3].width,e.top+c[0].width),S(g,d[1],d[2],b.topRightInner,b.bottomRightInner,e.left+e.width-c[1].width,e.top+c[0].width),S(g,d[2],d[3],b.bottomRightInner,b.bottomLeftInner,e.left+e.width-c[1].width,e.top+e.height-c[2].width),S(g,d[3],d[0],b.bottomLeftInner,b.topLeftInner,e.left+c[3].width,e.top+e.height-c[2].width);break;default:S(g,d[0],d[1],b.topLeftOuter,b.topRightOuter,e.left,e.top),S(g,d[1],d[2],b.topRightOuter,b.bottomRightOuter,e.left+e.width,e.top),S(g,d[2],d[3],b.bottomRightOuter,b.bottomLeftOuter,e.left+e.width,e.top+e.height),S(g,d[3],d[0],b.bottomLeftOuter,b.topLeftOuter,e.left,e.top+e.height)}return g},K.prototype.pseudoHideClass="___html2canvas___pseudoelement";var Nb=0,Ob="withCredentials"in new XMLHttpRequest,Pb="crossOrigin"in new Image;yb.prototype.renderImage=function(a,b,c,d){var e=a.cssInt("paddingLeft"),f=a.cssInt("paddingTop"),g=a.cssInt("paddingRight"),h=a.cssInt("paddingBottom"),i=c.borders,j=b.width-(i[1].width+i[3].width+e+g),k=b.height-(i[0].width+i[2].width+f+h);this.drawImage(d,0,0,d.image.width||j,d.image.height||k,b.left+e+i[3].width,b.top+f+i[0].width,j,k)},yb.prototype.renderBackground=function(a,b,c){b.height>0&&b.width>0&&(this.renderBackgroundColor(a,b),this.renderBackgroundImage(a,b,c))},yb.prototype.renderBackgroundColor=function(a,b){var c=a.css("backgroundColor");this.isTransparent(c)||this.rectangle(b.left,b.top,b.width,b.height,a.css("backgroundColor"))},yb.prototype.renderBorders=function(a){a.forEach(this.renderBorder,this)},yb.prototype.renderBorder=function(a){this.isTransparent(a.color)||null===a.args||this.drawShape(a.args,a.color)},yb.prototype.renderBackgroundImage=function(a,b,c){var d=a.parseBackgroundImages();d.reverse().forEach(function(d,e,f){switch(d.method){case"url":var g=this.images.get(d.args[0]);g?this.renderBackgroundRepeating(a,b,g,f.length-(e+1),c):A("Error loading background-image",d.args[0]);break;case"linear-gradient":case"gradient":var h=this.images.get(d.value);h?this.renderBackgroundGradient(h,b,c):A("Error loading background-image",d.args[0]);break;case"none":break;default:A("Unknown background-image type",d.args[0])}},this)},yb.prototype.renderBackgroundRepeating=function(a,b,c,d,e){var f=a.parseBackgroundSize(b,c.image,d),g=a.parseBackgroundPosition(b,c.image,d,f),h=a.parseBackgroundRepeat(d);switch(h){case"repeat-x":case"repeat no-repeat":this.backgroundRepeatShape(c,g,f,b,b.left+e[3],b.top+g.top+e[0],99999,f.height,e);break;case"repeat-y":case"no-repeat repeat":this.backgroundRepeatShape(c,g,f,b,b.left+g.left+e[3],b.top+e[0],f.width,99999,e);break;case"no-repeat":this.backgroundRepeatShape(c,g,f,b,b.left+g.left+e[3],b.top+g.top+e[0],f.width,f.height,e);break;default:this.renderBackgroundRepeat(c,g,f,{top:b.top,left:b.left},e[3],e[0])}},yb.prototype.isTransparent=function(a){return!a||"transparent"===a||"rgba(0, 0, 0, 0)"===a},zb.prototype=Object.create(B.prototype),zb.prototype.getParentStack=function(a){var b=this.parent?this.parent.stack:null;return b?b.ownStacking?b:b.getParentStack(a):a.stack},Ab.prototype.testRangeBounds=function(a){var b,c,d,e,f=!1;return a.createRange&&(b=a.createRange(),b.getBoundingClientRect&&(c=a.createElement("boundtest"),c.style.height="123px",c.style.display="block",a.body.appendChild(c),b.selectNode(c),d=b.getBoundingClientRect(),e=d.height,123===e&&(f=!0),a.body.removeChild(c))),f},Ab.prototype.testCORS=function(){return"undefined"!=typeof(new Image).crossOrigin},Ab.prototype.testSVG=function(){var a=new Image,c=b.createElement("canvas"),d=c.getContext("2d");a.src="data:image/svg+xml,";try{d.drawImage(a,0,0),c.toDataURL()}catch(e){return!1}return!0},Bb.prototype.hasFabric=function(){return html2canvas.fabric?Promise.resolve():Promise.reject(new Error("html2canvas.svg.js is not loaded, cannot render svg"))},Bb.prototype.inlineFormatting=function(a){return/^data:image\/svg\+xml;base64,/.test(a)?this.decode64(this.removeContentType(a)):this.removeContentType(a)},Bb.prototype.removeContentType=function(a){return a.replace(/^data:image\/svg\+xml(;base64)?,/,"")},Bb.prototype.isInline=function(a){return/^data:image\/svg\+xml/i.test(a)},Bb.prototype.createCanvas=function(a){var b=this;return function(c,d){var e=new html2canvas.fabric.StaticCanvas("c");b.image=e.lowerCanvasEl,e.setWidth(d.width).setHeight(d.height).add(html2canvas.fabric.util.groupSVGElements(c,d)).renderAll(),a(e.lowerCanvasEl)}},Bb.prototype.decode64=function(b){return"function"==typeof a.atob?a.atob(b):Cb(b)},Db.prototype=Object.create(Bb.prototype),Eb.prototype=Object.create(B.prototype),Eb.prototype.applyTextTransform=function(){this.node.data=this.transform(this.parent.css("textTransform"))},Eb.prototype.transform=function(a){var b=this.node.data;switch(a){case"lowercase":return b.toLowerCase();case"capitalize":return b.replace(/(^|\s|:|-|\(|\))([a-z])/g,Fb);case"uppercase":return b.toUpperCase();default:return b}},Gb.prototype=Object.create(w.prototype),Ib.prototype=Object.create(yb.prototype),Ib.prototype.setFillStyle=function(a){return this.ctx.fillStyle=a,this.ctx},Ib.prototype.rectangle=function(a,b,c,d,e){this.setFillStyle(e).fillRect(a,b,c,d)},Ib.prototype.drawShape=function(a,b){this.shape(a),this.setFillStyle(b).fill()},Ib.prototype.taints=function(a){if(null===a.tainted){this.taintCtx.drawImage(a.image,0,0);try{this.taintCtx.getImageData(0,0,1,1),a.tainted=!1}catch(c){this.taintCtx=b.createElement("canvas").getContext("2d"),a.tainted=!0}}return a.tainted},Ib.prototype.drawImage=function(a,b,c,d,e,f,g,h,i){(!this.taints(a)||this.options.allowTaint)&&this.ctx.drawImage(a.image,b,c,d,e,f,g,h,i)},Ib.prototype.clip=function(a,b,c){this.ctx.save(),a.filter(Jb).forEach(function(a){this.shape(a).clip()},this),b.call(c),this.ctx.restore()},Ib.prototype.shape=function(a){return this.ctx.beginPath(),a.forEach(function(a,b){this.ctx[0===b?"moveTo":a[0]+"To"].apply(this.ctx,a.slice(1))},this),this.ctx.closePath(),this.ctx},Ib.prototype.font=function(a,b,c,d,e,f){this.setFillStyle(a).font=[b,c,d,e,f].join(" ")},Ib.prototype.fontShadow=function(a,b,c,d){this.setVariable("shadowColor",a).setVariable("shadowOffsetY",b).setVariable("shadowOffsetX",c).setVariable("shadowBlur",d)},Ib.prototype.clearShadow=function(){this.setVariable("shadowColor","rgba(0,0,0,0)")},Ib.prototype.setOpacity=function(a){this.ctx.globalAlpha=a},Ib.prototype.setTransform=function(a){this.ctx.translate(a.origin[0],a.origin[1]),this.ctx.transform.apply(this.ctx,a.matrix),this.ctx.translate(-a.origin[0],-a.origin[1])},Ib.prototype.setVariable=function(a,b){return this.variables[a]!==b&&(this.variables[a]=this.ctx[a]=b),this},Ib.prototype.text=function(a,b,c){this.ctx.fillText(a,b,c)},Ib.prototype.backgroundRepeatShape=function(a,b,c,d,e,f,g,h,i){var j=[["line",Math.round(e),Math.round(f)],["line",Math.round(e+g),Math.round(f)],["line",Math.round(e+g),Math.round(h+f)],["line",Math.round(e),Math.round(h+f)]];this.clip([j],function(){this.renderBackgroundRepeat(a,b,c,d,i[3],i[0])},this)},Ib.prototype.renderBackgroundRepeat=function(a,b,c,d,e,f){var g=Math.round(d.left+b.left+e),h=Math.round(d.top+b.top+f);this.setFillStyle(this.ctx.createPattern(this.resizeImage(a,c),"repeat")),this.ctx.translate(g,h),this.ctx.fill(),this.ctx.translate(-g,-h)},Ib.prototype.renderBackgroundGradient=function(a,b){if(a instanceof z){var c=this.ctx.createLinearGradient(b.left+b.width*a.x0,b.top+b.height*a.y0,b.left+b.width*a.x1,b.top+b.height*a.y1);a.colorStops.forEach(function(a){c.addColorStop(a.stop,a.color)}),this.rectangle(b.left,b.top,b.width,b.height,c)}},Ib.prototype.resizeImage=function(a,c){var d=a.image;if(d.width===c.width&&d.height===c.height)return d;var e,f=b.createElement("canvas");return f.width=c.width,f.height=c.height,e=f.getContext("2d"),e.drawImage(d,0,0,d.width,d.height,0,0,c.width,c.height),f}}(window,document); \ No newline at end of file diff --git a/src/core.js b/src/core.js index f94f1b4..8db7410 100644 --- a/src/core.js +++ b/src/core.js @@ -12,12 +12,13 @@ window.html2canvas = function(nodeList, options) { options.async = typeof(options.async) === "undefined" ? true : options.async; options.allowTaint = typeof(options.allowTaint) === "undefined" ? false : options.allowTaint; options.removeContainer = typeof(options.removeContainer) === "undefined" ? true : options.removeContainer; + options.javascriptEnabled = typeof(options.javascriptEnabled) === "undefined" ? false : options.javascriptEnabled; if (typeof(nodeList) === "string") { if (typeof(options.proxy) !== "string") { return Promise.reject("Proxy must be used when rendering url"); } - return loadUrlDocument(absoluteUrl(nodeList), options.proxy, document, window.innerWidth, window.innerHeight).then(function(container) { + return loadUrlDocument(absoluteUrl(nodeList), options.proxy, document, window.innerWidth, window.innerHeight, options).then(function(container) { return renderWindow(container.contentWindow.document.documentElement, container, options, window.innerWidth, window.innerHeight); }); } @@ -59,14 +60,18 @@ function renderWindow(node, container, options, windowWidth, windowHeight) { return parser.ready.then(function() { log("Finished rendering"); var canvas = (options.type !== "view" && (node === clonedWindow.document.body || node === clonedWindow.document.documentElement)) ? renderer.canvas : crop(renderer.canvas, bounds); - if (options.removeContainer) { - container.parentNode.removeChild(container); - log("Cleaned up container"); - } + cleanupContainer(container, options); return canvas; }); } +function cleanupContainer(container, options) { + if (options.removeContainer) { + container.parentNode.removeChild(container); + log("Cleaned up container"); + } +} + function crop(canvas, bounds) { var croppedCanvas = document.createElement("canvas"); var x1 = Math.min(canvas.width - 1, Math.max(0, bounds.left)); @@ -130,16 +135,16 @@ function createWindowClone(ownerDocument, containerDocument, width, height, opti documentClone.write(""); documentClone.close(); - documentClone.replaceChild(removeScriptNodes(documentClone.adoptNode(documentElement)), documentClone.documentElement); + documentClone.replaceChild(options.javascriptEnabled === true ? documentClone.adoptNode(documentElement) : removeScriptNodes(documentClone.adoptNode(documentElement)), documentClone.documentElement); if (options.type === "view") { container.contentWindow.scrollTo(window.pageXOffset, window.pageYOffset); } }); } -function loadUrlDocument(src, proxy, document, width, height) { +function loadUrlDocument(src, proxy, document, width, height, options) { return new Proxy(src, proxy, window.document).then(documentFromHTML(src)).then(function(doc) { - return createWindowClone(doc, document, width, height, {}); + return createWindowClone(doc, document, width, height, options); }); } diff --git a/src/framecontainer.js b/src/framecontainer.js index 8c30be9..199aa79 100644 --- a/src/framecontainer.js +++ b/src/framecontainer.js @@ -1,9 +1,9 @@ -function FrameContainer(container, sameOrigin, proxy) { +function FrameContainer(container, sameOrigin, options) { this.image = null; this.src = container; var self = this; var bounds = getBounds(container); - this.promise = (!sameOrigin ? this.proxyLoad(proxy, bounds) : new Promise(function(resolve) { + this.promise = (!sameOrigin ? this.proxyLoad(options.proxy, bounds, options) : new Promise(function(resolve) { if (container.contentWindow.document.URL === "about:blank" || container.contentWindow.document.documentElement == null) { container.contentWindow.onload = container.onload = function() { resolve(container); @@ -12,13 +12,13 @@ function FrameContainer(container, sameOrigin, proxy) { resolve(container); } })).then(function(container) { - return html2canvas(container.contentWindow.document.documentElement, {type: 'view', proxy: proxy}); + return html2canvas(container.contentWindow.document.documentElement, {type: 'view', proxy: options.proxy, javascriptEnabled: options.javascriptEnabled, removeContainer: options.removeContainer}); }).then(function(canvas) { return self.image = canvas; }); } -FrameContainer.prototype.proxyLoad = function(proxy, bounds) { +FrameContainer.prototype.proxyLoad = function(proxy, bounds, options) { var container = this.src; - return loadUrlDocument(container.src, proxy, container.ownerDocument, bounds.width, bounds.height); + return loadUrlDocument(container.src, proxy, container.ownerDocument, bounds.width, bounds.height, options); }; diff --git a/src/imageloader.js b/src/imageloader.js index 888a5ed..6857da0 100644 --- a/src/imageloader.js +++ b/src/imageloader.js @@ -69,7 +69,7 @@ ImageLoader.prototype.loadImage = function(imageData) { } else if (imageData.method === "svg") { return new SVGNodeContainer(imageData.args[0], this.support.svg); } else if (imageData.method === "IFRAME") { - return new FrameContainer(imageData.args[0], this.isSameOrigin(imageData.args[0].src), this.options.proxy); + return new FrameContainer(imageData.args[0], this.isSameOrigin(imageData.args[0].src), this.options); } else { return new DummyImageContainer(imageData); }