diff --git a/Gruntfile.js b/Gruntfile.js index a402a0d..0abd77f 100644 --- a/Gruntfile.js +++ b/Gruntfile.js @@ -21,7 +21,7 @@ module.exports = function(grunt) { concat: { dist: { src: [ - 'src/**/*.js' + 'src/promise.js', 'src/**/*.js' ], dest: 'build/<%= pkg.name %>.js' }, diff --git a/build/html2canvas.js b/build/html2canvas.js index a5d0f0a..5821745 100644 --- a/build/html2canvas.js +++ b/build/html2canvas.js @@ -7,8 +7,38 @@ (function(window, document, undefined){ +/* + Copyright (c) 2013 Yehuda Katz, Tom Dale, and contributors + + Permission is hereby granted, free of charge, to any person obtaining a copy of + this software and associated documentation files (the "Software"), to deal in + the Software without restriction, including without limitation the rights to + use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies + of the Software, and to permit persons to whom the Software is furnished to do + so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in all + copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + SOFTWARE. + */ +!function(){var a,b,c,d;!function(){var e={},f={};a=function(a,b,c){e[a]={deps:b,callback:c}},d=c=b=function(a){function c(b){if("."!==b.charAt(0))return b;for(var c=b.split("/"),d=a.split("/").slice(0,-1),e=0,f=c.length;f>e;e++){var g=c[e];if(".."===g)d.pop();else{if("."===g)continue;d.push(g)}}return d.join("/")}if(d._eak_seen=e,f[a])return f[a];if(f[a]={},!e[a])throw new Error("Could not find module "+a);for(var g,h=e[a],i=h.deps,j=h.callback,k=[],l=0,m=i.length;m>l;l++)"exports"===i[l]?k.push(g={}):k.push(b(c(i[l])));var n=j.apply(this,k);return f[a]=g||n}}(),a("promise/all",["./utils","exports"],function(a,b){"use strict";function c(a){var b=this;if(!d(a))throw new TypeError("You must pass an array to 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n=this.getPseudoElement(t,":before"),r=this.getPseudoElement(t,":after");n&&(t.node.insertBefore(n[0].node,t.node.firstChild),e.push(n)),r&&(t.node.appendChild(r[0].node),e.push(r)),(n||r)&&(t.node.className+=" "+this.pseudoHideClass)}return oe(e)},O.prototype.getPseudoElement=function(t,n){var r=t.computedStyle(n);if(!r||!r.content||"none"===r.content||"-moz-alt-content"===r.content||"none"===r.display)return null;for(var i=se(r.content),o="url"===i.substr(0,3),s=e.createElement(o?"img":"html2canvaspseudoelement"),a=new w(s,t),c=r.length-1;c>=0;c--){var h=B(r.item(c));s.style[h]=r[h]}if(s.className=this.pseudoHideClass,o)return s.src=k(i)[0].args[0],[a];var u=e.createTextNode(i);return s.appendChild(u),[a,new de(u,a)]},O.prototype.getChildren=function(t){return oe([].filter.call(t.node.childNodes,X).map(function(e){var n=[e.nodeType===Node.TEXT_NODE?new de(e,t):new w(e,t)].filter(ie);return 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e=t.parseBounds(),n=this.parseBorders(t);switch(this.renderer.clip(n.clip,function(){this.renderer.renderBackground(t,e,n.borders.map(re))},this),this.renderer.renderBorders(n.borders),t.node.nodeName){case"IMG":var r=this.images.get(t.node.src);r?this.renderer.renderImage(t,e,n,r.image):b("Error loading ",t.node.src);break;case"SELECT":case"INPUT":case"TEXTAREA":this.paintFormValue(t)}},O.prototype.paintFormValue=function(t){if(t.getValue().length>0){var e=t.node.ownerDocument,n=e.createElement("html2canvaswrapper"),r=["lineHeight","textAlign","fontFamily","fontWeight","fontSize","color","paddingLeft","paddingTop","paddingRight","paddingBottom","width","height","borderLeftStyle","borderTopStyle","borderLeftWidth","borderTopWidth","boxSizing","whiteSpace","wordWrap"];r.forEach(function(e){try{n.style[e]=t.css(e)}catch(r){b("html2canvas: Parse: Exception caught in renderFormValue: "+r.message)}});var i=t.parseBounds();n.style.position="absolute",n.style.left=i.left+"px",n.style.top=i.top+"px",n.textContent=t.getValue(),e.body.appendChild(n),this.paintText(new de(n.firstChild,t)),e.body.removeChild(n)}},O.prototype.paintText=function(t){t.applyTextTransform();var e=t.node.data.split(!this.options.letterRendering||V(t)?/(\b| )/:""),n=t.parent.fontWeight(),r=t.parent.css("fontSize"),i=t.parent.css("fontFamily"),o=t.parent.parseTextShadows();this.renderer.font(t.parent.css("color"),t.parent.css("fontStyle"),t.parent.css("fontVariant"),n,r,i),o.length?this.renderer.fontShadow(o[0].color,o[0].offsetX,o[0].offsetY,o[0].blur):this.renderer.clearShadow(),e.map(this.parseTextBounds(t),this).forEach(function(n,o){n&&(this.renderer.text(e[o],n.left,n.bottom),this.renderTextDecoration(t.parent,n,this.fontMetrics.getMetrics(i,r)))},this)},O.prototype.renderTextDecoration=function(t,e,n){switch(t.css("textDecoration").split(" 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o=t.css("backgroundClip"),s=[];switch(o){case"content-box":case"padding-box":_(s,r[0],r[1],e.topLeftInner,e.topRightInner,i.left+n[3].width,i.top+n[0].width),_(s,r[1],r[2],e.topRightInner,e.bottomRightInner,i.left+i.width-n[1].width,i.top+n[0].width),_(s,r[2],r[3],e.bottomRightInner,e.bottomLeftInner,i.left+i.width-n[1].width,i.top+i.height-n[2].width),_(s,r[3],r[0],e.bottomLeftInner,e.topLeftInner,i.left+n[3].width,i.top+i.height-n[2].width);break;default:_(s,r[0],r[1],e.topLeftOuter,e.topRightOuter,i.left,i.top),_(s,r[1],r[2],e.topRightOuter,e.bottomRightOuter,i.left+i.width,i.top),_(s,r[2],r[3],e.bottomRightOuter,e.bottomLeftOuter,i.left+i.width,i.top+i.height),_(s,r[3],r[0],e.bottomLeftOuter,e.topLeftOuter,i.left,i.top+i.height)}return s},O.prototype.pseudoHideClass="___html2canvas___pseudoelement",!function(){var r,i,o,s;!function(){var t={},e={};r=function(e,n,r){t[e]={deps:n,callback:r}},s=o=i=function(n){function r(t){if("."!==t.charAt(0))return t;for(var 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o=t.parseBackgroundSize(e,n.image,r),s=t.parseBackgroundPosition(e,n.image,r,o),a=t.parseBackgroundRepeat(r);switch(a){case"repeat-x":case"repeat no-repeat":this.backgroundRepeatShape(n,s,o,e,e.left+i[3],e.top+s.top+i[0],99999,n.image.height,i);break;case"repeat-y":case"no-repeat repeat":this.backgroundRepeatShape(n,s,o,e,e.left+s.left+i[3],e.top+i[0],n.image.width,99999,i);break;case"no-repeat":this.backgroundRepeatShape(n,s,o,e,e.left+s.left+i[3],e.top+s.top+i[0],n.image.width,n.image.height,i);break;default:this.renderBackgroundRepeat(n,s,o,{top:e.top,left:e.left},i[3],i[0])}},ce.prototype.isTransparent=function(t){return!t||"transparent"===t||"rgba(0, 0, 0, 0)"===t},he.prototype=Object.create(ce.prototype),he.prototype.setFillStyle=function(t){return 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e=t.parseBounds(),n=this.parseBorders(t);switch(this.renderer.clip(n.clip,function(){this.renderer.renderBackground(t,e,n.borders.map(re))},this),this.renderer.renderBorders(n.borders),t.node.nodeName){case"IMG":var r=this.images.get(t.node.src);r?this.renderer.renderImage(t,e,n,r.image):b("Error loading ",t.node.src);break;case"SELECT":case"INPUT":case"TEXTAREA":this.paintFormValue(t)}},O.prototype.paintFormValue=function(t){if(t.getValue().length>0){var e=t.node.ownerDocument,n=e.createElement("html2canvaswrapper"),r=["lineHeight","textAlign","fontFamily","fontWeight","fontSize","color","paddingLeft","paddingTop","paddingRight","paddingBottom","width","height","borderLeftStyle","borderTopStyle","borderLeftWidth","borderTopWidth","boxSizing","whiteSpace","wordWrap"];r.forEach(function(e){try{n.style[e]=t.css(e)}catch(r){b("html2canvas: Parse: Exception caught in renderFormValue: "+r.message)}});var i=t.parseBounds();n.style.position="absolute",n.style.left=i.left+"px",n.style.top=i.top+"px",n.textContent=t.getValue(),e.body.appendChild(n),this.paintText(new de(n.firstChild,t)),e.body.removeChild(n)}},O.prototype.paintText=function(t){t.applyTextTransform();var e=t.node.data.split(!this.options.letterRendering||V(t)?/(\b| )/:""),n=t.parent.fontWeight(),r=t.parent.css("fontSize"),i=t.parent.css("fontFamily"),o=t.parent.parseTextShadows();this.renderer.font(t.parent.css("color"),t.parent.css("fontStyle"),t.parent.css("fontVariant"),n,r,i),o.length?this.renderer.fontShadow(o[0].color,o[0].offsetX,o[0].offsetY,o[0].blur):this.renderer.clearShadow(),e.map(this.parseTextBounds(t),this).forEach(function(n,o){n&&(this.renderer.text(e[o],n.left,n.bottom),this.renderTextDecoration(t.parent,n,this.fontMetrics.getMetrics(i,r)))},this)},O.prototype.renderTextDecoration=function(t,e,n){switch(t.css("textDecoration").split(" 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1:s=e.left+e.width-r[1].width,c=r[1].width,t.args=P({c1:[s+c,a],c2:[s+c,a+h+r[2].width],c3:[s,a+h],c4:[s,a+r[0].width]},n[1],n[2],i.topRightOuter,i.topRightInner,i.bottomRightOuter,i.bottomRightInner);break;case 2:a=a+e.height-r[2].width,h=r[2].width,t.args=P({c1:[s+c,a+h],c2:[s,a+h],c3:[s+r[3].width,a],c4:[s+c-r[3].width,a]},n[2],n[3],i.bottomRightOuter,i.bottomRightInner,i.bottomLeftOuter,i.bottomLeftInner);break;case 3:c=r[3].width,t.args=P({c1:[s,a+h+r[2].width],c2:[s,a],c3:[s+c,a+r[0].width],c4:[s+c,a+h]},n[3],n[0],i.bottomLeftOuter,i.bottomLeftInner,i.topLeftOuter,i.topLeftInner)}}return t})}},O.prototype.parseBackgroundClip=function(t,e,n,r,i){var o=t.css("backgroundClip"),s=[];switch(o){case"content-box":case"padding-box":_(s,r[0],r[1],e.topLeftInner,e.topRightInner,i.left+n[3].width,i.top+n[0].width),_(s,r[1],r[2],e.topRightInner,e.bottomRightInner,i.left+i.width-n[1].width,i.top+n[0].width),_(s,r[2],r[3],e.bottomRightInner,e.bottomLeftInner,i.left+i.width-n[1].width,i.top+i.height-n[2].width),_(s,r[3],r[0],e.bottomLeftInner,e.topLeftInner,i.left+n[3].width,i.top+i.height-n[2].width);break;default:_(s,r[0],r[1],e.topLeftOuter,e.topRightOuter,i.left,i.top),_(s,r[1],r[2],e.topRightOuter,e.bottomRightOuter,i.left+i.width,i.top),_(s,r[2],r[3],e.bottomRightOuter,e.bottomLeftOuter,i.left+i.width,i.top+i.height),_(s,r[3],r[0],e.bottomLeftOuter,e.topLeftOuter,i.left,i.top+i.height) +}return s},O.prototype.pseudoHideClass="___html2canvas___pseudoelement";var me=0;ce.prototype.renderImage=function(t,e,n,r){var i=t.cssInt("paddingLeft"),o=t.cssInt("paddingTop"),s=t.cssInt("paddingRight"),a=t.cssInt("paddingBottom"),c=n.borders;this.drawImage(r,0,0,r.width,r.height,e.left+i+c[3].width,e.top+o+c[0].width,e.width-(c[1].width+c[3].width+i+s),e.height-(c[0].width+c[2].width+o+a))},ce.prototype.renderBackground=function(t,e,n){e.height>0&&e.width>0&&(this.renderBackgroundColor(t,e),this.renderBackgroundImage(t,e,n))},ce.prototype.renderBackgroundColor=function(t,e){var n=t.css("backgroundColor");this.isTransparent(n)||this.rectangle(e.left,e.top,e.width,e.height,t.css("backgroundColor"))},ce.prototype.renderBorders=function(t){t.forEach(this.renderBorder,this)},ce.prototype.renderBorder=function(t){this.isTransparent(t.color)||null===t.args||this.drawShape(t.args,t.color)},ce.prototype.renderBackgroundImage=function(t,e,n){var r=t.parseBackgroundImages();r.reverse().forEach(function(r,i,o){switch(r.method){case"url":var s=this.images.get(r.args[0]);s?this.renderBackgroundRepeating(t,e,s,o.length-(i+1),n):b("Error loading background-image",r.args[0]);break;case"linear-gradient":case"gradient":var a=this.images.get(r.value);a?this.renderBackgroundGradient(a,e,n):b("Error loading background-image",r.args[0]);break;case"none":break;default:b("Unknown background-image type",r.args[0])}},this)},ce.prototype.renderBackgroundRepeating=function(t,e,n,r,i){var o=t.parseBackgroundSize(e,n.image,r),s=t.parseBackgroundPosition(e,n.image,r,o),a=t.parseBackgroundRepeat(r);switch(a){case"repeat-x":case"repeat no-repeat":this.backgroundRepeatShape(n,s,o,e,e.left+i[3],e.top+s.top+i[0],99999,n.image.height,i);break;case"repeat-y":case"no-repeat repeat":this.backgroundRepeatShape(n,s,o,e,e.left+s.left+i[3],e.top+i[0],n.image.width,99999,i);break;case"no-repeat":this.backgroundRepeatShape(n,s,o,e,e.left+s.left+i[3],e.top+s.top+i[0],n.image.width,n.image.height,i);break;default:this.renderBackgroundRepeat(n,s,o,{top:e.top,left:e.left},i[3],i[0])}},ce.prototype.isTransparent=function(t){return!t||"transparent"===t||"rgba(0, 0, 0, 0)"===t},he.prototype=Object.create(ce.prototype),he.prototype.setFillStyle=function(t){return this.ctx.fillStyle=t,this.ctx},he.prototype.rectangle=function(t,e,n,r,i){this.setFillStyle(i).fillRect(t,e,n,r)},he.prototype.drawShape=function(t,e){this.shape(t),this.setFillStyle(e).fill()},he.prototype.drawImage=function(t,e,n,r,i,o,s,a,c){this.ctx.drawImage(t,e,n,r,i,o,s,a,c)},he.prototype.clip=function(t,e,n){this.ctx.save(),this.shape(t).clip(),e.call(n),this.ctx.restore()},he.prototype.shape=function(t){return this.ctx.beginPath(),t.forEach(function(t,e){this.ctx[0===e?"moveTo":t[0]+"To"].apply(this.ctx,t.slice(1))},this),this.ctx.closePath(),this.ctx},he.prototype.font=function(t,e,n,r,i,o){this.setFillStyle(t).font=[e,n,r,i,o].join(" ")},he.prototype.fontShadow=function(t,e,n,r){this.setVariable("shadowColor",t).setVariable("shadowOffsetY",e).setVariable("shadowOffsetX",n).setVariable("shadowBlur",r)},he.prototype.clearShadow=function(){this.setVariable("shadowColor","rgba(0,0,0,0)")},he.prototype.setOpacity=function(t){this.ctx.globalAlpha=t},he.prototype.setTransform=function(t){this.ctx.translate(t.origin[0],t.origin[1]),this.ctx.transform.apply(this.ctx,t.matrix),this.ctx.translate(-t.origin[0],-t.origin[1])},he.prototype.setVariable=function(t,e){return this.variables[t]!==e&&(this.variables[t]=this.ctx[t]=e),this},he.prototype.text=function(t,e,n){this.ctx.fillText(t,e,n)},he.prototype.backgroundRepeatShape=function(t,e,n,r,i,o,s,a,c){var h=[["line",Math.round(i),Math.round(o)],["line",Math.round(i+s),Math.round(o)],["line",Math.round(i+s),Math.round(a+o)],["line",Math.round(i),Math.round(a+o)]];this.clip(h,function(){this.renderBackgroundRepeat(t,e,n,r,c[3],c[0])},this)},he.prototype.renderBackgroundRepeat=function(t,e,n,r,i,o){var s=Math.round(r.left+e.left+i),a=Math.round(r.top+e.top+o);this.setFillStyle(this.ctx.createPattern(this.resizeImage(t,n),"repeat")),this.ctx.translate(s,a),this.ctx.fill(),this.ctx.translate(-s,-a)},he.prototype.renderBackgroundGradient=function(t,e){t instanceof v&&this.ctx.createLinearGradient(e.left,e.top,e.right,e.bottom)},he.prototype.resizeImage=function(t,n){var r=t.image;if(r.width===n.width&&r.height===n.height)return r;var i,o=e.createElement("canvas");return o.width=n.width,o.height=n.height,i=o.getContext("2d"),i.drawImage(r,0,0,r.width,r.height,0,0,n.width,n.height),o},ue.prototype=Object.create(w.prototype),ue.prototype.getParentStack=function(t){var e=this.parent?this.parent.stack:null;return e?e.ownStacking?e:e.getParentStack(t):t.stack},pe.prototype.testRangeBounds=function(t){var e,n,r,i,o=!1;return t.createRange&&(e=t.createRange(),e.getBoundingClientRect&&(n=t.createElement("boundtest"),n.style.height="123px",n.style.display="block",t.body.appendChild(n),e.selectNode(n),r=e.getBoundingClientRect(),i=r.height,123===i&&(o=!0),t.body.removeChild(n))),o},pe.prototype.testCORS=function(){return(new Image).crossOrigin!==n},de.prototype=Object.create(w.prototype),de.prototype.applyTextTransform=function(){this.node.data=this.transform(this.parent.css("textTransform"))},de.prototype.transform=function(t){var e=this.node.data;switch(t){case"lowercase":return e.toLowerCase();case"capitalize":return e.replace(/(^|\s|:|-|\(|\))([a-z])/g,le);case"uppercase":return e.toUpperCase();default:return e}},fe.prototype=Object.create(l.prototype)})(window,document); \ No newline at end of file diff --git a/src/core.js b/src/core.js index 31c1efd..510453f 100644 --- a/src/core.js +++ b/src/core.js @@ -1,5 +1,12 @@ var html2canvasNodeAttribute = "data-html2canvas-node"; +if (typeof(Object.create) !== "function" || typeof(document.createElement("canvas").getContext) !== "function") { + window.html2canvas = function() { + return Promise.reject("No canvas support"); + }; + return; +} + window.html2canvas = function(nodeList, options) { options = options || {}; if (options.logging) {