text: /* build: `node build.js modules=ALL exclude=gestures,json minifier=uglifyjs` *//*! Fabric.js Copyright 2008-2015, Printio (Juriy Zaytsev, Maxim Chernyak) */var fabric=fabric||{version:"1.5.0"};typeof exports!="undefined"&&(exports.fabric=fabric),typeof document!="undefined"&&typeof window!="undefined"?(fabric.document=document,fabric.window=window,window.fabric=fabric):(fabric.document=require("jsdom").jsdom("<!DOCTYPE html><html><head></head><body></body></html>"),fabric.document.createWindow?fabric.window=fabric.document.createWindow():fabric.window=fabric.document.parentWindow),fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement,fabric.isLikelyNode=typeof Buffer!="undefined"&&typeof window=="undefined",fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",function(){function 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exports!="undefined"?exports:this),fabric.ElementsParser=function(e,t,n,r){this.elements=e,this.callback=t,this.options=n,this.reviver=r,this.svgUid=n&&n.svgUid||0},fabric.ElementsParser.prototype.parse=function(){this.instances=new Array(this.elements.length),this.numElements=this.elements.length,this.createObjects()},fabric.ElementsParser.prototype.createObjects=function(){for(var e=0,t=this.elements.length;e<t;e++)this.elements[e].setAttribute("svgUid",this.svgUid),function(e,t){setTimeout(function(){e.createObject(e.elements[t],t)},0)}(this,e)},fabric.ElementsParser.prototype.createObject=function(e,t){var n=fabric[fabric.util.string.capitalize(e.tagName)];if(n&&n.fromElement)try{this._createObject(n,e,t)}catch(r){fabric.log(r)}else this.checkIfDone()},fabric.ElementsParser.prototype._createObject=function(e,t,n){if(e.async)e.fromElement(t,this.createCallback(n,t),this.options);else{var r=e.fromElement(t,this.options);this.resolveGradient(r,"fill"),this.resolveGradient(r,"stroke"),this.reviver&&this.reviver(t,r),this.instances[n]=r,this.checkIfDone()}},fabric.ElementsParser.prototype.createCallback=function(e,t){var n=this;return function(r){n.resolveGradient(r,"fill"),n.resolveGradient(r,"stroke"),n.reviver&&n.reviver(t,r),n.instances[e]=r,n.checkIfDone()}},fabric.ElementsParser.prototype.resolveGradient=function(e,t){var n=e.get(t);if(!/^url\(/.test(n))return;var r=n.slice(5,n.length-1);fabric.gradientDefs[this.svgUid][r]&&e.set(t,fabric.Gradient.fromElement(fabric.gradientDefs[this.svgUid][r],e))},fabric.ElementsParser.prototype.checkIfDone=function(){--this.numElements===0&&(this.instances=this.instances.filter(function(e){return e!=null}),this.callback(this.instances))},function(e){"use strict";function n(e,t){this.x=e,this.y=t}var t=e.fabric||(e.fabric={});if(t.Point){t.warn("fabric.Point is already 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r.points.length>0&&(r.status="Intersection"),r},t.Intersection.intersectPolygonRectangle=function(e,r,i){var s=r.min(i),o=r.max(i),u=new t.Point(o.x,s.y),a=new t.Point(s.x,o.y),f=n.intersectLinePolygon(s,u,e),l=n.intersectLinePolygon(u,o,e),c=n.intersectLinePolygon(o,a,e),h=n.intersectLinePolygon(a,s,e),p=new n;return p.appendPoints(f.points),p.appendPoints(l.points),p.appendPoints(c.points),p.appendPoints(h.points),p.points.length>0&&(p.status="Intersection"),p}}(typeof exports!="undefined"?exports:this),function(e){"use strict";function n(e){e?this._tryParsingColor(e):this.setSource([0,0,0,1])}function r(e,t,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?e+(t-e)*6*n:n<.5?t:n<2/3?e+(t-e)*(2/3-n)*6:e}var t=e.fabric||(e.fabric={});if(t.Color){t.warn("fabric.Color is already defined.");return}t.Color=n,t.Color.prototype={_tryParsingColor:function(e){var t;e in n.colorNameMap&&(e=n.colorNameMap[e]);if(e==="transparent"){this.setSource([255,255,255,0]);return}t=n.sourceFromHex(e),t||(t=n.sourceFromRgb(e)),t||(t=n.sourceFromHsl(e)),t&&this.setSource(t)},_rgbToHsl:function(e,n,r){e/=255,n/=255,r/=255;var i,s,o,u=t.util.array.max([e,n,r]),a=t.util.array.min([e,n,r]);o=(u+a)/2;if(u===a)i=s=0;else{var f=u-a;s=o>.5?f/(2-u-a):f/(u+a);switch(u){case e:i=(n-r)/f+(n<r?6:0);break;case n:i=(r-e)/f+2;break;case r:i=(e-n)/f+4}i/=6}return[Math.round(i*360),Math.round(s*100),Math.round(o*100)]},getSource:function(){return this._source},setSource:function(e){this._source=e},toRgb:function(){var e=this.getSource();return"rgb("+e[0]+","+e[1]+","+e[2]+")"},toRgba:function(){var e=this.getSource();return"rgba("+e[0]+","+e[1]+","+e[2]+","+e[3]+")"},toHsl:function(){var e=this.getSource(),t=this._rgbToHsl(e[0],e[1],e[2]);return"hsl("+t[0]+","+t[1]+"%,"+t[2]+"%)"},toHsla:function(){var e=this.getSource(),t=this._rgbToHsl(e[0],e[1],e[2]);return"hsla("+t[0]+","+t[1]+"%,"+t[2]+"%,"+e[3]+")"},toHex:function(){var e=this.getSource(),t,n,r;return t=e[0].toString(16),t=t.length===1?"0"+t:t,n=e[1].toString(16),n=n.length===1?"0"+n:n,r=e[2].toString(16),r=r.length===1?"0"+r:r,t.toUpperCase()+n.toUpperCase()+r.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(e){var t=this.getSource();return t[3]=e,this.setSource(t),this},toGrayscale:function(){var e=this.getSource(),t=parseInt((e[0]*.3+e[1]*.59+e[2]*.11).toFixed(0),10),n=e[3];return this.setSource([t,t,t,n]),this},toBlackWhite:function(e){var t=this.getSource(),n=(t[0]*.3+t[1]*.59+t[2]*.11).toFixed(0),r=t[3];return e=e||127,n=Number(n)<Number(e)?0:255,this.setSource([n,n,n,r]),this},overlayWith:function(e){e instanceof n||(e=new n(e));var t=[],r=this.getAlpha(),i=.5,s=this.getSource(),o=e.getSource();for(var u=0;u<3;u++)t.push(Math.round(s[u]*(1-i)+o[u]*i));return t[3]=r,this.setSource(t),this}},t.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,t.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,t.Color.reHex=/^#?([0-9a-f]{6}|[0-9a-f]{3})$/i,t.Color.colorNameMap={aqua:"#00FFFF",black:"#000000",blue:"#0000FF",fuchsia:"#FF00FF",gray:"#808080",green:"#008000",lime:"#00FF00",maroon:"#800000",navy:"#000080",olive:"#808000",orange:"#FFA500",purple:"#800080",red:"#FF0000",silver:"#C0C0C0",teal:"#008080",white:"#FFFFFF",yellow:"#FFFF00"},t.Color.fromRgb=function(e){return n.fromSource(n.sourceFromRgb(e))},t.Color.sourceFromRgb=function(e){var t=e.match(n.reRGBa);if(t){var r=parseInt(t[1],10)/(/%$/.test(t[1])?100:1)*(/%$/.test(t[1])?255:1),i=parseInt(t[2],10)/(/%$/.test(t[2])?100:1)*(/%$/.test(t[2])?255:1),s=parseInt(t[3],10)/(/%$/.test(t[3])?100:1)*(/%$/.test(t[3])?255:1);return[parseInt(r,10),parseInt(i,10),parseInt(s,10),t[4]?parseFloat(t[4]):1]}},t.Color.fromRgba=n.fromRgb,t.Color.fromHsl=function(e){return n.fromSource(n.sourceFromHsl(e))},t.Color.sourceFromHsl=function(e){var t=e.match(n.reHSLa);if(!t)return;var i=(parseFloat(t[1])%360+360)%360/360,s=parseFloat(t[2])/(/%$/.test(t[2])?100:1),o=parseFloat(t[3])/(/%$/.test(t[3])?100:1),u,a,f;if(s===0)u=a=f=o;else{var l=o<=.5?o*(s+1):o+s-o*s,c=o*2-l;u=r(c,l,i+1/3),a=r(c,l,i),f=r(c,l,i-1/3)}return[Math.round(u*255),Math.round(a*255),Math.round(f*255),t[4]?parseFloat(t[4]):1]},t.Color.fromHsla=n.fromHsl,t.Color.fromHex=function(e){return n.fromSource(n.sourceFromHex(e))},t.Color.sourceFromHex=function(e){if(e.match(n.reHex)){var t=e.slice(e.indexOf("#")+1),r=t.length===3,i=r?t.charAt(0)+t.charAt(0):t.substring(0,2),s=r?t.charAt(1)+t.charAt(1):t.substring(2,4),o=r?t.charAt(2)+t.charAt(2):t.substring(4,6);return[parseInt(i,16),parseInt(s,16),parseInt(o,16),1]}},t.Color.fromSource=function(e){var t=new n;return t.setSource(e),t}}(typeof exports!="undefined"?exports:this),function(){function e(e){var t=e.getAttribute("style"),n=e.getAttribute("offset"),r,i,s;n=parseFloat(n)/(/%$/.test(n)?100:1),n=n<0?0:n>1?1:n;if(t){var o=t.split(/\s*;\s*/);o[o.length-1]===""&&o.pop();for(var u=o.length;u--;){var a=o[u].split(/\s*:\s*/),f=a[0].trim(),l=a[1].trim();f==="stop-color"?r=l:f==="stop-opacity"&&(s=l)}}return r||(r=e.getAttribute("stop-color")||"rgb(0,0,0)"),s||(s=e.getAttribute("stop-opacity")),r=new fabric.Color(r),i=r.getAlpha(),s=isNaN(parseFloat(s))?1:parseFloat(s),s*=i,{offset:n,color:r.toRgb(),opacity:s}}function t(e){return{x1:e.getAttribute("x1")||0,y1:e.getAttribute("y1")||0,x2:e.getAttribute("x2")||"100%",y2:e.getAttribute("y2")||0}}function n(e){return{x1:e.getAttribute("fx")||e.getAttribute("cx")||"50%",y1:e.getAttribute("fy")||e.getAttribute("cy")||"50%",r1:0,x2:e.getAttribute("cx")||"50%",y2:e.getAttribute("cy")||"50%",r2:e.getAttribute("r")||"50%"}}function r(e,t,n){var r,i=0,s=1,o="";for(var u in t){r=parseFloat(t[u],10),typeof t[u]=="string"&&/^\d+%$/.test(t[u])?s=.01:s=1;if(u==="x1"||u==="x2"||u==="r2")s*=n==="objectBoundingBox"?e.width:1,i=n==="objectBoundingBox"?e.left||0:0;else if(u==="y1"||u==="y2")s*=n==="objectBoundingBox"?e.height:1,i=n==="objectBoundingBox"?e.top||0:0;t[u]=r*s+i}if(e.type==="ellipse"&&t.r2!==null&&n==="objectBoundingBox"&&e.rx!==e.ry){var a=e.ry/e.rx;o=" scale(1, "+a+")",t.y1&&(t.y1/=a),t.y2&&(t.y2/=a)}return o}fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(e){e||(e={});var t={};this.id=fabric.Object.__uid++,this.type=e.type||"linear",t={x1:e.coords.x1||0,y1:e.coords.y1||0,x2:e.coords.x2||0,y2:e.coords.y2||0},this.type==="radial"&&(t.r1=e.coords.r1||0,t.r2=e.coords.r2||0),this.coords=t,this.colorStops=e.colorStops.slice(),e.gradientTransform&&(this.gradientTransform=e.gradientTransform),this.offsetX=e.offsetX||this.offsetX,this.offsetY=e.offsetY||this.offsetY},addColorStop:function(e){for(var t in e){var n=new fabric.Color(e[t]);this.colorStops.push({offset:t,color:n.toRgb(),opacity:n.getAlpha()})}return this},toObject:function(){return{type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY}},toSVG:function(e){var t=fabric.util.object.clone(this.coords),n,r;this.colorStops.sort(function(e,t){return e.offset-t.offset});if(!e.group||e.group.type!=="path-group")for(var i in t)if(i==="x1"||i==="x2"||i==="r2")t[i]+=this.offsetX-e.width/2;else if(i==="y1"||i==="y2")t[i]+=this.offsetY-e.height/2;r='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(r+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),this.type==="linear"?n=["<linearGradient ",r,' x1="',t.x1,'" y1="',t.y1,'" x2="',t.x2,'" y2="',t.y2,'">\n']:this.type==="radial"&&(n=["<radialGradient ",r,' cx="',t.x2,'" cy="',t.y2,'" r="',t.r2,'" fx="',t.x1,'" fy="',t.y1,'">\n']);for(var s=0;s<this.colorStops.length;s++)n.push("<stop ",'offset="',this.colorStops[s].offset*100+"%",'" style="stop-color:',this.colorStops[s].color,this.colorStops[s].opacity!=null?";stop-opacity: "+this.colorStops[s].opacity:";",'"/>\n');return n.push(this.type==="linear"?"</linearGradient>\n":"</radialGradient>\n"),n.join("")},toLive:function(e,t){var n,r,i=fabric.util.object.clone(this.coords);if(!this.type)return;if(t.group&&t.group.type==="path-group")for(r in i)if(r==="x1"||r==="x2")i[r]+=-this.offsetX+t.width/2;else if(r==="y1"||r==="y2")i[r]+=-this.offsetY+t.height/2;if(t.type==="text"||t.type==="i-text")for(r in i)if(r==="x1"||r==="x2")i[r]-=t.width/2;else if(r==="y1"||r==="y2")i[r]-=t.height/2;this.type==="linear"?n=e.createLinearGradient(i.x1,i.y1,i.x2,i.y2):this.type==="radial"&&(n=e.createRadialGradient(i.x1,i.y1,i.r1,i.x2,i.y2,i.r2));for(var s=0,o=this.colorStops.length;s<o;s++){var u=this.colorStops[s].color,a=this.colorStops[s].opacity,f=this.colorStops[s].offset;typeof a!="undefined"&&(u=(new fabric.Color(u)).setAlpha(a).toRgba()),n.addColorStop(parseFloat(f),u)}return n}}),fabric.util.object.extend(fabric.Gradient,{fromElement:function(i,s){var o=i.getElementsByTagName("stop"),u=i.nodeName==="linearGradient"?"linear":"radial",a=i.getAttribute("gradientUnits")||"objectBoundingBox",f=i.getAttribute("gradientTransform"),l=[],c={},h;u==="linear"?c=t(i):u==="radial"&&(c=n(i));for(var p=o.length;p--;)l.push(e(o[p]));h=r(s,c,a);var d=new fabric.Gradient({type:u,coords:c,colorStops:l,offsetX:-s.left,offsetY:-s.top});if(f||h!=="")d.gradientTransform=fabric.parseTransformAttribute((f||"")+h);return d},forObject:function(e,t){return t||(t={}),r(e,t.coords,"userSpaceOnUse"),new fabric.Gradient(t)}})}(),fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,initialize:function(e){e||(e={}),this.id=fabric.Object.__uid++;if(e.source)if(typeof e.source=="string")if(typeof fabric.util.getFunctionBody(e.source)!="undefined")this.source=new Function(fabric.util.getFunctionBody(e.source));else{var t=this;this.source=fabric.util.createImage(),fabric.util.loadImage(e.source,function(e){t.source=e})}else this.source=e.source;e.repeat&&(this.repeat=e.repeat),e.offsetX&&(this.offsetX=e.offsetX),e.offsetY&&(this.offsetY=e.offsetY)},toObject:function(){var e;return typeof this.source=="function"?e=String(this.source):typeof this.source.src=="string"&&(e=this.source.src),{source:e,repeat:this.repeat,offsetX:this.offsetX,offsetY:this.offsetY}},toSVG:function(e){var t=typeof this.source=="function"?this.source():this.source,n=t.width/e.getWidth(),r=t.height/e.getHeight(),i=this.offsetX/e.getWidth(),s=this.offsetY/e.getHeight(),o="";if(this.repeat==="repeat-x"||this.repeat==="no-repeat")r=1;if(this.repeat==="repeat-y"||this.repeat==="no-repeat")n=1;return t.src?o=t.src:t.toDataURL&&(o=t.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+i+'" y="'+s+'" width="'+n+'" height="'+r+'">\n'+'<image x="0" y="0"'+' width="'+t.width+'" height="'+t.height+'" xlink:href="'+o+'"></image>\n'+"</pattern>\n"},toLive:function(e){var t=typeof this.source=="function"?this.source():this.source;if(!t)return"";if(typeof t.src!="undefined"){if(!t.complete)return"";if(t.naturalWidth===0||t.naturalHeight===0)return""}return e.createPattern(t,this.repeat)}}),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.toFixed;if(t.Shadow){t.warn("fabric.Shadow is already defined.");return}t.Shadow=t.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(e){typeof e=="string"&&(e=this._parseShadow(e));for(var n in e)this[n]=e[n];this.id=t.Object.__uid++},_parseShadow:function(e){var n=e.trim(),r=t.Shadow.reOffsetsAndBlur.exec(n)||[],i=n.replace(t.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:i.trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(e){var t="SourceAlpha",r=40,i=40;return e&&(e.fill===this.color||e.stroke===this.color)&&(t="SourceGraphic"),e.width&&e.height&&(r=n(Math.abs(this.offsetX/e.getWidth()),2)*100+20,i=n(Math.abs(this.offsetY/e.getHeight()),2)*100+20),'<filter id="SVGID_'+this.id+'" y="-'+i+'%" height="'+(100+2*i)+'%" '+'x="-'+r+'%" width="'+(100+2*r)+'%" '+">\n"+'	<feGaussianBlur in="'+t+'" stdDeviation="'+n(this.blur?this.blur/2:0,3)+'" result="blurOut"></feGaussianBlur>\n'+'	<feColorMatrix result="matrixOut" in="blurOut" type="matrix" '+'values="1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0.30 0" ></feColorMatrix >\n'+'	<feOffset dx="'+this.offsetX+'" dy="'+this.offsetY+'"></feOffset>\n'+"	<feMerge>\n"+"		<feMergeNode></feMergeNode>\n"+'		<feMergeNode in="SourceGraphic"></feMergeNode>\n'+"	</feMerge>\n"+"</filter>\n"},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY};var e={},n=t.Shadow.prototype;return this.color!==n.color&&(e.color=this.color),this.blur!==n.blur&&(e.blur=this.blur),this.offsetX!==n.offsetX&&(e.offsetX=this.offsetX),this.offsetY!==n.offsetY&&(e.offsetY=this.offsetY),e}}),t.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/}(typeof exports!="undefined"?exports:this),function(){"use strict";if(fabric.StaticCanvas){fabric.warn("fabric.StaticCanvas is already defined.");return}var e=fabric.util.object.extend,t=fabric.util.getElementOffset,n=fabric.util.removeFromArray,r=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass({initialize:function(e,t){t||(t={}),this._initStatic(e,t),fabric.StaticCanvas.activeInstance=this},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!0,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,preserveObjectStacking:!1,viewportTransform:[1,0,0,1,0,0],onBeforeScaleRotate:function(){},_initStatic:function(e,t){this._objects=[],this._createLowerCanvas(e),this._initOptions(t),this._setImageSmoothing(),t.overlayImage&&this.setOverlayImage(t.overlayImage,this.renderAll.bind(this)),t.backgroundImage&&this.setBackgroundImage(t.backgroundImage,this.renderAll.bind(this)),t.backgroundColor&&this.setBackgroundColor(t.backgroundColor,this.renderAll.bind(this)),t.overlayColor&&this.setOverlayColor(t.overlayColor,this.renderAll.bind(this)),this.calcOffset()},calcOffset:function(){return this._offset=t(this.lowerCanvasEl),this},setOverlayImage:function(e,t,n){return this.__setBgOverlayImage("overlayImage",e,t,n)},setBackgroundImage:function(e,t,n){return this.__setBgOverlayImage("backgroundImage",e,t,n)},setOverlayColor:function(e,t){return this.__setBgOverlayColor("overlayColor",e,t)},setBackgroundColor:function(e,t){return this.__setBgOverlayColor("backgroundColor",e,t)},_setImageSmoothing:function(){var e=this.getContext();e.imageSmoothingEnabled=this.imageSmoothingEnabled,e.webkitImageSmoothingEnabled=this.imageSmoothingEnabled,e.mozImageSmoothingEnabled=this.imageSmoothingEnabled,e.msImageSmoothingEnabled=this.imageSmoothingEnabled,e.oImageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(e,t,n,r){return typeof t=="string"?fabric.util.loadImage(t,function(t){this[e]=new fabric.Image(t,r),n&&n()},this,r&&r.crossOrigin):(r&&t.setOptions(r),this[e]=t,n&&n()),this},__setBgOverlayColor:function(e,t,n){if(t&&t.source){var r=this;fabric.util.loadImage(t.source,function(i){r[e]=new fabric.Pattern({source:i,repeat:t.repeat,offsetX:t.offsetX,offsetY:t.offsetY}),n&&n()})}else this[e]=t,n&&n();return this},_createCanvasElement:function(){var e=fabric.document.createElement("canvas");e.style||(e.style={});if(!e)throw r;return this._initCanvasElement(e),e},_initCanvasElement:function(e){fabric.util.createCanvasElement(e);if(typeof e.getContext=="undefined")throw r},_initOptions:function(e){for(var t in e)this[t]=e[t];this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0;if(!this.lowerCanvasEl.style)return;this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice()},_createLowerCanvas:function(e){this.lowerCanvasEl=fabric.util.getById(e)||this._createCanvasElement(),this._initCanvasElement(this.lowerCanvasEl),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(e,t){return this.setDimensions({width:e},t)},setHeight:function(e,t){return this.setDimensions({height:e},t)},setDimensions:function(e,t){var n;t=t||{};for(var r in e)n=e[r],t.cssOnly||(this._setBackstoreDimension(r,e[r]),n+="px"),t.backstoreOnly||this._setCssDimension(r,n);return t.cssOnly||this.renderAll(),this.calcOffset(),this},_setBackstoreDimension:function(e,t){return this.lowerCanvasEl[e]=t,this.upperCanvasEl&&(this.upperCanvasEl[e]=t),this.cacheCanvasEl&&(this.cacheCanvasEl[e]=t),this[e]=t,this},_setCssDimension:function(e,t){return this.lowerCanvasEl.style[e]=t,this.upperCanvasEl&&(this.upperCanvasEl.style[e]=t),this.wrapperEl&&(this.wrapperEl.style[e]=t),this},getZoom:function(){return Math.sqrt(this.viewportTransform[0]*this.viewportTransform[3])},setViewportTransform:function(e){var t=this.getActiveGroup();this.viewportTransform=e,this.renderAll();for(var n=0,r=this._objects.length;n<r;n++)this._objects[n].setCoords();return t&&t.setCoords(),this},zoomToPoint:function(e,t){var n=e;e=fabric.util.transformPoint(e,fabric.util.invertTransform(this.viewportTransform)),this.viewportTransform[0]=t,this.viewportTransform[3]=t;var r=fabric.util.transformPoint(e,this.viewportTransform);this.viewportTransform[4]+=n.x-r.x,this.viewportTransform[5]+=n.y-r.y,this.renderAll();for(var i=0,s=this._objects.length;i<s;i++)this._objects[i].setCoords();return this},setZoom:function(e){return this.zoomToPoint(new fabric.Point(0,0),e),this},absolutePan:function(e){this.viewportTransform[4]=-e.x,this.viewportTransform[5]=-e.y,this.renderAll();for(var t=0,n=this._objects.length;t<n;t++)this._objects[t].setCoords();return this},relativePan:function(e){return this.absolutePan(new fabric.Point(-e.x-this.viewportTransform[4],-e.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},getActiveObject:function(){return null},getActiveGroup:function(){return null},_draw:function(e,t){if(!t)return;e.save();var n=this.viewportTransform;e.transform(n[0],n[1],n[2],n[3],n[4],n[5]),this._shouldRenderObject(t)&&t.render(e),e.restore(),this.controlsAboveOverlay||t._renderControls(e)},_shouldRenderObject:function(e){return e?e!==this.getActiveGroup()||!this.preserveObjectStacking:!1},_onObjectAdded:function(e){this.stateful&&e.setupState(),e.canvas=this,e.setCoords(),this.fire("object:added",{target:e}),e.fire("added")},_onObjectRemoved:function(e){this.getActiveObject()===e&&(this.fire("before:selection:cleared",{target:e}),this._discardActiveObject(),this.fire("selection:cleared")),this.fire("object:removed",{target:e}),e.fire("removed")},clearContext:function(e){return e.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.discardActiveGroup&&this.discardActiveGroup(),this.discardActiveObject&&this.discardActiveObject(),this.clearContext(this.contextContainer),this.contextTop&&this.clearContext(this.contextTop),this.fire("canvas:cleared"),this.renderAll(),this},renderAll:function(e){var t=this[e===!0&&this.interactive?"contextTop":"contextContainer"],n=this.getActiveGroup();return this.contextTop&&this.selection&&!this._groupSelector&&this.clearContext(this.contextTop),e||this.clearContext(t),this.fire("before:render"),this.clipTo&&fabric.util.clipContext(this,t),this._renderBackground(t),this._renderObjects(t,n),this._renderActiveGroup(t,n),this.clipTo&&t.restore(),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render"),this},_renderObjects:function(e,t){var n,r;if(!t||this.preserveObjectStacking)for(n=0,r=this._objects.length;n<r;++n)this._draw(e,this._objects[n]);else for(n=0,r=this._objects.length;n<r;++n)this._objects[n]&&!t.contains(this._objects[n])&&this._draw(e,this._objects[n])},_renderActiveGroup:function(e,t){if(t){var n=[];this.forEachObject(function(e){t.contains(e)&&n.push(e)}),t._set("objects",n),this._draw(e,t)}},_renderBackground:function(e){this.backgroundColor&&(e.fillStyle=this.backgroundColor.toLive?this.backgroundColor.toLive(e):this.backgroundColor,e.fillRect(this.backgroundColor.offsetX||0,this.backgroundColor.offsetY||0,this.width,this.height)),this.backgroundImage&&this._draw(e,this.backgroundImage)},_renderOverlay:function(e){this.overlayColor&&(e.fillStyle=this.overlayColor.toLive?this.overlayColor.toLive(e):this.overlayColor,e.fillRect(this.overlayColor.offsetX||0,this.overlayColor.offsetY||0,this.width,this.height)),this.overlayImage&&this._draw(e,this.overlayImage)},renderTop:function(){var e=this.contextTop||this.contextContainer;this.clearContext(e),this.selection&&this._groupSelector&&this._drawSelection();var t=this.getActiveGroup();return t&&t.render(e),this._renderOverlay(e),this.fire("after:render"),this},getCenter:function(){return{top:this.getHeight()/2,left:this.getWidth()/2}},centerObjectH:function(e){return this._centerObject(e,new fabric.Point(this.getCenter().left,e.getCenterPoint().y)),this.renderAll(),this},centerObjectV:function(e){return this._centerObject(e,new fabric.Point(e.getCenterPoint().x,this.getCenter().top)),this.renderAll(),this},centerObject:function(e){var t=this.getCenter();return this._centerObject(e,new fabric.Point(t.left,t.top)),this.renderAll(),this},_centerObject:function(e,t){return e.setPositionByOrigin(t,"center","center"),this},toDatalessJSON:function(e){return this.toDatalessObject(e)},toObject:function(e){return this._toObjectMethod("toObject",e)},toDatalessObject:function(e){return this._toObjectMethod("toDatalessObject",e)},_toObjectMethod:function(t,n){var r={objects:this._toObjects(t,n)};return e(r,this.__serializeBgOverlay()),fabric.util.populateWithProperties(this,r,n),r},_toObjects:function(e,t){return this.getObjects().map(function(n){return this._toObject(n,e,t)},this)},_toObject:function(e,t,n){var r;this.includeDefaultValues||(r=e.includeDefaultValues,e.includeDefaultValues=!1);var i=this._realizeGroupTransformOnObject(e),s=e[t](n);return this.includeDefaultValues||(e.includeDefaultValues=r),this._unwindGroupTransformOnObject(e,i),s},_realizeGroupTransformOnObject:function(e){var t=["angle","flipX","flipY","height","left","scaleX","scaleY","top","width"];if(e.group&&e.group===this.getActiveGroup()){var n={};return t.forEach(function(t){n[t]=e[t]}),this.getActiveGroup().realizeTransform(e),n}return null},_unwindGroupTransformOnObject:function(e,t){t&&e.set(t)},__serializeBgOverlay:function(){var e={background:this.backgroundColor&&this.backgroundColor.toObject?this.backgroundColor.toObject():this.backgroundColor};return this.overlayColor&&(e.overlay=this.overlayColor.toObject?this.overlayColor.toObject():this.overlayColor),this.backgroundImage&&(e.backgroundImage=this.backgroundImage.toObject()),this.overlayImage&&(e.overlayImage=this.overlayImage.toObject()),e},svgViewportTransformation:!0,toSVG:function(e,t){e||(e={});var n=[];return this._setSVGPreamble(n,e),this._setSVGHeader(n,e),this._setSVGBgOverlayColor(n,"backgroundColor"),this._setSVGBgOverlayImage(n,"backgroundImage"),this._setSVGObjects(n,t),this._setSVGBgOverlayColor(n,"overlayColor"),this._setSVGBgOverlayImage(n,"overlayImage"),n.push("</svg>"),n.join("")},_setSVGPreamble:function(e,t){t.suppressPreamble||e.push('<?xml version="1.0" encoding="',t.encoding||"UTF-8",'" standalone="no" ?>','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(e,t){var n,r,i;t.viewBox?(n=t.viewBox.width,r=t.viewBox.height):(n=this.width,r=this.height,this.svgViewportTransformation||(i=this.viewportTransform,n/=i[0],r/=i[3])),e.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',n,'" ','height="',r,'" ',this.backgroundColor&&!this.backgroundColor.toLive?'style="background-color: '+this.backgroundColor+'" ':null,t.viewBox?'viewBox="'+t.viewBox.x+" "+t.viewBox.y+" "+t.viewBox.width+" "+t.viewBox.height+'" ':null,'xml:space="preserve">',"<desc>Created with Fabric.js ",fabric.version,"</desc>","<defs>",fabric.createSVGFontFacesMarkup(this.getObjects()),fabric.createSVGRefElementsMarkup(this),"</defs>")},_setSVGObjects:function(e,t){for(var n=0,r=this.getObjects(),i=r.length;n<i;n++){var s=r[n],o=this._realizeGroupTransformOnObject(s);e.push(s.toSVG(t)),this._unwindGroupTransformOnObject(s,o)}},_setSVGBgOverlayImage:function(e,t){this[t]&&this[t].toSVG&&e.push(this[t].toSVG())},_setSVGBgOverlayColor:function(e,t){this[t]&&this[t].source?e.push('<rect x="',this[t].offsetX,'" y="',this[t].offsetY,'" ','width="',this[t].repeat==="repeat-y"||this[t].repeat==="no-repeat"?this[t].source.width:this.width,'" height="',this[t].repeat==="repeat-x"||this[t].repeat==="no-repeat"?this[t].source.height:this.height,'" fill="url(#'+t+'Pattern)"',"></rect>"):this[t]&&t==="overlayColor"&&e.push('<rect x="0" y="0" ','width="',this.width,'" height="'
  ,this.height,'" fill="',this[t],'"',"></rect>")},sendToBack:function(e){return n(this._objects,e),this._objects.unshift(e),this.renderAll&&this.renderAll()},bringToFront:function(e){return n(this._objects,e),this._objects.push(e),this.renderAll&&this.renderAll()},sendBackwards:function(e,t){var r=this._objects.indexOf(e);if(r!==0){var i=this._findNewLowerIndex(e,r,t);n(this._objects,e),this._objects.splice(i,0,e),this.renderAll&&this.renderAll()}return this},_findNewLowerIndex:function(e,t,n){var r;if(n){r=t;for(var i=t-1;i>=0;--i){var s=e.intersectsWithObject(this._objects[i])||e.isContainedWithinObject(this._objects[i])||this._objects[i].isContainedWithinObject(e);if(s){r=i;break}}}else r=t-1;return r},bringForward:function(e,t){var r=this._objects.indexOf(e);if(r!==this._objects.length-1){var i=this._findNewUpperIndex(e,r,t);n(this._objects,e),this._objects.splice(i,0,e),this.renderAll&&this.renderAll()}return this},_findNewUpperIndex:function(e,t,n){var r;if(n){r=t;for(var i=t+1;i<this._objects.length;++i){var s=e.intersectsWithObject(this._objects[i])||e.isContainedWithinObject(this._objects[i])||this._objects[i].isContainedWithinObject(e);if(s){r=i;break}}}else r=t+1;return r},moveTo:function(e,t){return n(this._objects,e),this._objects.splice(t,0,e),this.renderAll&&this.renderAll()},dispose:function(){return this.clear(),this.interactive&&this.removeListeners(),this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): "+"{ objects: "+this.getObjects().length+" }>"}}),e(fabric.StaticCanvas.prototype,fabric.Observable),e(fabric.StaticCanvas.prototype,fabric.Collection),e(fabric.StaticCanvas.prototype,fabric.DataURLExporter),e(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(e){var t=fabric.util.createCanvasElement();if(!t||!t.getContext)return null;var n=t.getContext("2d");if(!n)return null;switch(e){case"getImageData":return typeof n.getImageData!="undefined";case"setLineDash":return typeof n.setLineDash!="undefined";case"toDataURL":return typeof t.toDataURL!="undefined";case"toDataURLWithQuality":try{return t.toDataURL("image/jpeg",0),!0}catch(r){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeDashArray:null,setShadow:function(e){return this.shadow=new fabric.Shadow(e),this},_setBrushStyles:function(){var e=this.canvas.contextTop;e.strokeStyle=this.color,e.lineWidth=this.width,e.lineCap=this.strokeLineCap,e.lineJoin=this.strokeLineJoin,this.strokeDashArray&&fabric.StaticCanvas.supports("setLineDash")&&e.setLineDash(this.strokeDashArray)},_setShadow:function(){if(!this.shadow)return;var e=this.canvas.contextTop;e.shadowColor=this.shadow.color,e.shadowBlur=this.shadow.blur,e.shadowOffsetX=this.shadow.offsetX,e.shadowOffsetY=this.shadow.offsetY},_resetShadow:function(){var e=this.canvas.contextTop;e.shadowColor="",e.shadowBlur=e.shadowOffsetX=e.shadowOffsetY=0}}),function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(e){this.canvas=e,this._points=[]},onMouseDown:function(e){this._prepareForDrawing(e),this._captureDrawingPath(e),this._render()},onMouseMove:function(e){this._captureDrawingPath(e),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(e){var t=new fabric.Point(e.x,e.y);this._reset(),this._addPoint(t),this.canvas.contextTop.moveTo(t.x,t.y)},_addPoint:function(e){this._points.push(e)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(e){var t=new fabric.Point(e.x,e.y);this._addPoint(t)},_render:function(){var e=this.canvas.contextTop,t=this.canvas.viewportTransform,n=this._points[0],r=this._points[1];e.save(),e.transform(t[0],t[1],t[2],t[3],t[4],t[5]),e.beginPath(),this._points.length===2&&n.x===r.x&&n.y===r.y&&(n.x-=.5,r.x+=.5),e.moveTo(n.x,n.y);for(var i=1,s=this._points.length;i<s;i++){var o=n.midPointFrom(r);e.quadraticCurveTo(n.x,n.y,o.x,o.y),n=this._points[i],r=this._points[i+1]}e.lineTo(n.x,n.y),e.stroke(),e.restore()},convertPointsToSVGPath:function(e){var t=[],n=new fabric.Point(e[0].x,e[0].y),r=new fabric.Point(e[1].x,e[1].y);t.push("M ",e[0].x," ",e[0].y," ");for(var i=1,s=e.length;i<s;i++){var o=n.midPointFrom(r);t.push("Q ",n.x," ",n.y," ",o.x," ",o.y," "),n=new fabric.Point(e[i].x,e[i].y),i+1<e.length&&(r=new fabric.Point(e[i+1].x,e[i+1].y))}return t.push("L ",n.x," ",n.y," "),t},createPath:function(e){var t=new fabric.Path(e,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray,originX:"center",originY:"center"});return this.shadow&&(this.shadow.affectStroke=!0,t.setShadow(this.shadow)),t},_finalizeAndAddPath:function(){var e=this.canvas.contextTop;e.closePath();var t=this.convertPointsToSVGPath(this._points).join("");if(t==="M 0 0 Q 0 0 0 0 L 0 0"){this.canvas.renderAll();return}var n=this.createPath(t);this.canvas.add(n),n.setCoords(),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderAll(),this.canvas.fire("path:created",{path:n})}})}(),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(e){this.canvas=e,this.points=[]},drawDot:function(e){var t=this.addPoint(e),n=this.canvas.contextTop,r=this.canvas.viewportTransform;n.save(),n.transform(r[0],r[1],r[2],r[3],r[4],r[5]),n.fillStyle=t.fill,n.beginPath(),n.arc(t.x,t.y,t.radius,0,Math.PI*2,!1),n.closePath(),n.fill(),n.restore()},onMouseDown:function(e){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(e)},onMouseMove:function(e){this.drawDot(e)},onMouseUp:function(){var e=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var t=[];for(var n=0,r=this.points.length;n<r;n++){var i=this.points[n],s=new fabric.Circle({radius:i.radius,left:i.x,top:i.y,originX:"center",originY:"center",fill:i.fill});this.shadow&&s.setShadow(this.shadow),t.push(s)}var o=new fabric.Group(t,{originX:"center",originY:"center"});o.canvas=this.canvas,this.canvas.add(o),this.canvas.fire("path:created",{path:o}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=e,this.canvas.renderAll()},addPoint:function(e){var t=new fabric.Point(e.x,e.y),n=fabric.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,r=(new fabric.Color(this.color)).setAlpha(fabric.util.getRandomInt(0,100)/100).toRgba();return t.radius=n,t.fill=r,this.points.push(t),t}}),fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(e){this.canvas=e,this.sprayChunks=[]},onMouseDown:function(e){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(e),this.render()},onMouseMove:function(e){this.addSprayChunk(e),this.render()},onMouseUp:function(){var e=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var t=[];for(var n=0,r=this.sprayChunks.length;n<r;n++){var i=this.sprayChunks[n];for(var s=0,o=i.length;s<o;s++){var u=new fabric.Rect({width:i[s].width,height:i[s].width,left:i[s].x+1,top:i[s].y+1,originX:"center",originY:"center",fill:this.color});this.shadow&&u.setShadow(this.shadow),t.push(u)}}this.optimizeOverlapping&&(t=this._getOptimizedRects(t));var a=new fabric.Group(t,{originX:"center",originY:"center"});a.canvas=this.canvas,this.canvas.add(a),this.canvas.fire("path:created",{path:a}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=e,this.canvas.renderAll()},_getOptimizedRects:function(e){var t={},n;for(var r=0,i=e.length;r<i;r++)n=e[r].left+""+e[r].top,t[n]||(t[n]=e[r]);var s=[];for(n in t)s.push(t[n]);return s},render:function(){var e=this.canvas.contextTop;e.fillStyle=this.color;var t=this.canvas.viewportTransform;e.save(),e.transform(t[0],t[1],t[2],t[3],t[4],t[5]);for(var n=0,r=this.sprayChunkPoints.length;n<r;n++){var i=this.sprayChunkPoints[n];typeof i.opacity!="undefined"&&(e.globalAlpha=i.opacity),e.fillRect(i.x,i.y,i.width,i.width)}e.restore()},addSprayChunk:function(e){this.sprayChunkPoints=[];var t,n,r,i=this.width/2;for(var s=0;s<this.density;s++){t=fabric.util.getRandomInt(e.x-i,e.x+i),n=fabric.util.getRandomInt(e.y-i,e.y+i),this.dotWidthVariance?r=fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):r=this.dotWidth;var o=new fabric.Point(t,n);o.width=r,this.randomOpacity&&(o.opacity=fabric.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(o)}this.sprayChunks.push(this.sprayChunkPoints)}}),fabric.PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var e=20,t=5,n=fabric.document.createElement("canvas"),r=n.getContext("2d");return n.width=n.height=e+t,r.fillStyle=this.color,r.beginPath(),r.arc(e/2,e/2,e/2,0,Math.PI*2,!1),r.closePath(),r.fill(),n},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(){return this.canvas.contextTop.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(){this.callSuper("_setBrushStyles"),this.canvas.contextTop.strokeStyle=this.getPattern()},createPath:function(e){var t=this.callSuper("createPath",e);return t.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction()}),t}}),function(){var e=fabric.util.getPointer,t=fabric.util.degreesToRadians,n=fabric.util.radiansToDegrees,r=Math.atan2,i=Math.abs,s=.5;fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(e,t){t||(t={}),this._initStatic(e,t),this._initInteractive(),this._createCacheCanvas(),fabric.Canvas.activeInstance=this},uniScaleTransform:!1,centeredScaling:!1,centeredRotation:!1,interactive:!0,selection:!0,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",rotationCursor:"crosshair",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEventListeners(),this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this),this.calcOffset()},_resetCurrentTransform:function(e){var t=this._currentTransform;t.target.set({scaleX:t.original.scaleX,scaleY:t.original.scaleY,left:t.original.left,top:t.original.top}),this._shouldCenterTransform(e,t.target)?t.action==="rotate"?this._setOriginToCenter(t.target):(t.originX!=="center"&&(t.originX==="right"?t.mouseXSign=-1:t.mouseXSign=1),t.originY!=="center"&&(t.originY==="bottom"?t.mouseYSign=-1:t.mouseYSign=1),t.originX="center",t.originY="center"):(t.originX=t.original.originX,t.originY=t.original.originY)},containsPoint:function(e,t){var n=this.getPointer(e,!0),r=this._normalizePointer(t,n);return t.containsPoint(r)||t._findTargetCorner(n)},_normalizePointer:function(e,t){var n=this.getActiveGroup(),r=t.x,i=t.y,s=n&&e.type!=="group"&&n.contains(e),o;return s&&(o=new fabric.Point(n.left,n.top),o=fabric.util.transformPoint(o,this.viewportTransform,!0),r-=o.x,i-=o.y),{x:r,y:i}},isTargetTransparent:function(e,t,n){var r=e.hasBorders,i=e.transparentCorners;e.hasBorders=e.transparentCorners=!1,this._draw(this.contextCache,e),e.hasBorders=r,e.transparentCorners=i;var s=fabric.util.isTransparent(this.contextCache,t,n,this.targetFindTolerance);return this.clearContext(this.contextCache),s},_shouldClearSelection:function(e,t){var n=this.getActiveGroup(),r=this.getActiveObject();return!t||t&&n&&!n.contains(t)&&n!==t&&!e.shiftKey||t&&!t.evented||t&&!t.selectable&&r&&r!==t},_shouldCenterTransform:function(e,t){if(!t)return;var n=this._currentTransform,r;return n.action==="scale"||n.action==="scaleX"||n.action==="scaleY"?r=this.centeredScaling||t.centeredScaling:n.action==="rotate"&&(r=this.centeredRotation||t.centeredRotation),r?!e.altKey:e.altKey},_getOriginFromCorner:function(e,t){var n={x:e.originX,y:e.originY};if(t==="ml"||t==="tl"||t==="bl")n.x="right";else if(t==="mr"||t==="tr"||t==="br")n.x="left";if(t==="tl"||t==="mt"||t==="tr")n.y="bottom";else if(t==="bl"||t==="mb"||t==="br")n.y="top";return n},_getActionFromCorner:function(e,t){var n="drag";return t&&(n=t==="ml"||t==="mr"?"scaleX":t==="mt"||t==="mb"?"scaleY":t==="mtr"?"rotate":"scale"),n},_setupCurrentTransform:function(e,n){if(!n)return;var r=this.getPointer(e),i=n._findTargetCorner(this.getPointer(e,!0)),s=this._getActionFromCorner(n,i),o=this._getOriginFromCorner(n,i);this._currentTransform={target:n,action:s,scaleX:n.scaleX,scaleY:n.scaleY,offsetX:r.x-n.left,offsetY:r.y-n.top,originX:o.x,originY:o.y,ex:r.x,ey:r.y,left:n.left,top:n.top,theta:t(n.angle),width:n.width*n.scaleX,mouseXSign:1,mouseYSign:1},this._currentTransform.original={left:n.left,top:n.top,scaleX:n.scaleX,scaleY:n.scaleY,originX:o.x,originY:o.y},this._resetCurrentTransform(e)},_translateObject:function(e,t){var n=this._currentTransform.target;n.get("lockMovementX")||n.set("left",e-this._currentTransform.offsetX),n.get("lockMovementY")||n.set("top",t-this._currentTransform.offsetY)},_scaleObject:function(e,t,n){var r=this._currentTransform,i=r.target,s=i.get("lockScalingX"),o=i.get("lockScalingY"),u=i.get("lockScalingFlip");if(s&&o)return;var a=i.translateToOriginPoint(i.getCenterPoint(),r.originX,r.originY),f=i.toLocalPoint(new fabric.Point(e,t),r.originX,r.originY);this._setLocalMouse(f,r),this._setObjectScale(f,r,s,o,n,u),i.setPositionByOrigin(a,r.originX,r.originY)},_setObjectScale:function(e,t,n,r,i,s){var o=t.target,u=!1,a=!1,f=o.stroke?o.strokeWidth:0;t.newScaleX=e.x/(o.width+f/2),t.newScaleY=e.y/(o.height+f/2),s&&t.newScaleX<=0&&t.newScaleX<o.scaleX&&(u=!0),s&&t.newScaleY<=0&&t.newScaleY<o.scaleY&&(a=!0),i==="equally"&&!n&&!r?u||a||this._scaleObjectEqually(e,o,t):i?i==="x"&&!o.get("lockUniScaling")?u||n||o.set("scaleX",t.newScaleX):i==="y"&&!o.get("lockUniScaling")&&(a||r||o.set("scaleY",t.newScaleY)):(u||n||o.set("scaleX",t.newScaleX),a||r||o.set("scaleY",t.newScaleY)),u||a||this._flipObject(t,i)},_scaleObjectEqually:function(e,t,n){var r=e.y+e.x,i=t.stroke?t.strokeWidth:0,s=(t.height+i/2)*n.original.scaleY+(t.width+i/2)*n.original.scaleX;n.newScaleX=n.original.scaleX*r/s,n.newScaleY=n.original.scaleY*r/s,t.set("scaleX",n.newScaleX),t.set("scaleY",n.newScaleY)},_flipObject:function(e,t){e.newScaleX<0&&t!=="y"&&(e.originX==="left"?e.originX="right":e.originX==="right"&&(e.originX="left")),e.newScaleY<0&&t!=="x"&&(e.originY==="top"?e.originY="bottom":e.originY==="bottom"&&(e.originY="top"))},_setLocalMouse:function(e,t){var n=t.target;t.originX==="right"?e.x*=-1:t.originX==="center"&&(e.x*=t.mouseXSign*2,e.x<0&&(t.mouseXSign=-t.mouseXSign)),t.originY==="bottom"?e.y*=-1:t.originY==="center"&&(e.y*=t.mouseYSign*2,e.y<0&&(t.mouseYSign=-t.mouseYSign)),i(e.x)>n.padding?e.x<0?e.x+=n.padding:e.x-=n.padding:e.x=0,i(e.y)>n.padding?e.y<0?e.y+=n.padding:e.y-=n.padding:e.y=0},_rotateObject:function(e,t){var i=this._currentTransform;if(i.target.get("lockRotation"))return;var s=r(i.ey-i.top,i.ex-i.left),o=r(t-i.top,e-i.left),u=n(o-s+i.theta);u<0&&(u=360+u),i.target.angle=u%360},setCursor:function(e){this.upperCanvasEl.style.cursor=e},_resetObjectTransform:function(e){e.scaleX=1,e.scaleY=1,e.setAngle(0)},_drawSelection:function(){var e=this.contextTop,t=this._groupSelector,n=t.left,r=t.top,o=i(n),u=i(r);e.fillStyle=this.selectionColor,e.fillRect(t.ex-(n>0?0:-n),t.ey-(r>0?0:-r),o,u),e.lineWidth=this.selectionLineWidth,e.strokeStyle=this.selectionBorderColor;if(this.selectionDashArray.length>1){var a=t.ex+s-(n>0?0:o),f=t.ey+s-(r>0?0:u);e.beginPath(),fabric.util.drawDashedLine(e,a,f,a+o,f,this.selectionDashArray),fabric.util.drawDashedLine(e,a,f+u-1,a+o,f+u-1,this.selectionDashArray),fabric.util.drawDashedLine(e,a,f,a,f+u,this.selectionDashArray),fabric.util.drawDashedLine(e,a+o-1,f,a+o-1,f+u,this.selectionDashArray),e.closePath(),e.stroke()}else e.strokeRect(t.ex+s-(n>0?0:o),t.ey+s-(r>0?0:u),o,u)},_isLastRenderedObject:function(e){return this.controlsAboveOverlay&&this.lastRenderedObjectWithControlsAboveOverlay&&this.lastRenderedObjectWithControlsAboveOverlay.visible&&this.containsPoint(e,this.lastRenderedObjectWithControlsAboveOverlay)&&this.lastRenderedObjectWithControlsAboveOverlay._findTargetCorner(this.getPointer(e,!0))},findTarget:function(e,t){if(this.skipTargetFind)return;if(this._isLastRenderedObject(e))return this.lastRenderedObjectWithControlsAboveOverlay;var n=this.getActiveGroup();if(n&&!t&&this.containsPoint(e,n))return n;var r=this._searchPossibleTargets(e);return this._fireOverOutEvents(r),r},_fireOverOutEvents:function(e){e?this._hoveredTarget!==e&&(this.fire("mouse:over",{target:e}),e.fire("mouseover"),this._hoveredTarget&&(this.fire("mouse:out",{target:this._hoveredTarget}),this._hoveredTarget.fire("mouseout")),this._hoveredTarget=e):this._hoveredTarget&&(this.fire("mouse:out",{target:this._hoveredTarget}),this._hoveredTarget.fire("mouseout"),this._hoveredTarget=null)},_checkTarget:function(e,t,n){if(t&&t.visible&&t.evented&&this.containsPoint(e,t)){if(!this.perPixelTargetFind&&!t.perPixelTargetFind||!!t.isEditing)return!0;var r=this.isTargetTransparent(t,n.x,n.y);if(!r)return!0}},_searchPossibleTargets:function(e){var t,n=this.getPointer(e,!0),r=this._objects.length;while(r--)if(!this._objects[r].group&&this._checkTarget(e,this._objects[r],n)){this.relatedTarget=this._objects[r],t=this._objects[r];break}return t},getPointer:function(t,n,r){r||(r=this.upperCanvasEl);var i=e(t,r),s=r.getBoundingClientRect(),o=s.width||0,u=s.height||0,a;if(!o||!u)"top"in s&&"bottom"in s&&(u=Math.abs(s.top-s.bottom)),"right"in s&&"left"in s&&(o=Math.abs(s.right-s.left));return this.calcOffset(),i.x=i.x-this._offset.left,i.y=i.y-this._offset.top,n||(i=fabric.util.transformPoint(i,fabric.util.invertTransform(this.viewportTransform))),o===0||u===0?a={width:1,height:1}:a={width:r.width/o,height:r.height/u},{x:i.x*a.width,y:i.y*a.height}},_createUpperCanvas:function(){var e=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+e),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{"class":this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.getWidth()+"px",height:this.getHeight()+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(e){var t=this.getWidth()||e.width,n=this.getHeight()||e.height;fabric.util.setStyle(e,{position:"absolute",width:t+"px",height:n+"px",left:0,top:0}),e.width=t,e.height=n,fabric.util.makeElementUnselectable(e)},_copyCanvasStyle:function(e,t){t.style.cssText=e.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},_setActiveObject:function(e){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=e,e.set("active",!0)},setActiveObject:function(e,t){return this._setActiveObject(e),this.renderAll(),this.fire("object:selected",{target:e,e:t}),e.fire("selected",{e:t}),this},getActiveObject:function(){return this._activeObject},_discardActiveObject:function(){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=null},discardActiveObject:function(e){return this._discardActiveObject(),this.renderAll(),this.fire("selection:cleared",{e:e}),this},_setActiveGroup:function(e){this._activeGroup=e,e&&e.set("active",!0)},setActiveGroup:function(e,t){return this._setActiveGroup(e),e&&(this.fire("object:selected",{target:e,e:t}),e.fire("selected",{e:t})),this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var e=this.getActiveGroup();e&&e.destroy(),this.setActiveGroup(null)},discardActiveGroup:function(e){return this._discardActiveGroup(),this.fire("selection:cleared",{e:e}),this},deactivateAll:function(){var e=this.getObjects(),t=0,n=e.length;for(;t<n;t++)e[t].set("active",!1);return this._discardActiveGroup(),this._discardActiveObject(),this},deactivateAllWithDispatch:function(e){var t=this.getActiveGroup()||this.getActiveObject();return t&&this.fire("before:selection:cleared",{target:t,e:e}),this.deactivateAll(),t&&this.fire("selection:cleared",{e:e}),this},drawControls:function(e){var t=this.getActiveGroup();t?this._drawGroupControls(e,t):this._drawObjectsControls(e)},_drawGroupControls:function(e,t){t._renderControls(e)},_drawObjectsControls:function(e){for(var t=0,n=this._objects.length;t<n;++t){if(!this._objects[t]||!this._objects[t].active)continue;this._objects[t]._renderControls(e),this.lastRenderedObjectWithControlsAboveOverlay=this._objects[t]}}});for(var o in fabric.StaticCanvas)o!=="prototype"&&(fabric.Canvas[o]=fabric.StaticCanvas[o]);fabric.isTouchSupported&&(fabric.Canvas.prototype._setCursorFromEvent=function(){}),fabric.Element=fabric.Canvas}(),function(){var e={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},t=fabric.util.addListener,n=fabric.util.removeListener;fabric.util.object.extend(fabric.Canvas.prototype,{cursorMap:["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],_initEventListeners:function(){this._bindEvents(),t(fabric.window,"resize",this._onResize),t(this.upperCanvasEl,"mousedown",this._onMouseDown),t(this.upperCanvasEl,"mousemove",this._onMouseMove),t(this.upperCanvasEl,"mousewheel",this._onMouseWheel),t(this.upperCanvasEl,"touchstart",this._onMouseDown),t(this.upperCanvasEl,"touchmove",this._onMouseMove),typeof eventjs!="undefined"&&"add"in eventjs&&(eventjs.add(this.upperCanvasEl,"gesture",this._onGesture),eventjs.add(this.upperCanvasEl,"drag",this._onDrag),eventjs.add(this.upperCanvasEl,"orientation",this._onOrientationChange),eventjs.add(this.upperCanvasEl,"shake",this._onShake),eventjs.add(this.upperCanvasEl,"longpress",this._onLongPress))},_bindEvents:function(){this._onMouseDown=this._onMouseDown.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onLongPress=this._onLongPress.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this)},removeListeners:function(){n(fabric.window,"resize",this._onResize),n(this.upperCanvasEl,"mousedown",this._onMouseDown),n(this.upperCanvasEl,"mousemove",this._onMouseMove),n(this.upperCanvasEl,"mousewheel",this._onMouseWheel),n(this.upperCanvasEl,"touchstart",this._onMouseDown),n(this.upperCanvasEl,"touchmove",this._onMouseMove),typeof eventjs!="undefined"&&"remove"in eventjs&&(eventjs.remove(this.upperCanvasEl,"gesture",this._onGesture),eventjs.remove(this.upperCanvasEl,"drag",this._onDrag),eventjs.remove(this.upperCanvasEl,"orientation",this._onOrientationChange),eventjs.remove(this.upperCanvasEl,"shake",this._onShake),eventjs.remove(this.upperCanvasEl,"longpress",this._onLongPress))},_onGesture:function(e,t){this.__onTransformGesture&&this.__onTransformGesture(e,t)},_onDrag:function(e,t){this.__onDrag&&this.__onDrag(e,t)},_onMouseWheel:function(e,t){this.__onMouseWheel&&this.__onMouseWheel(e,t)},_onOrientationChange:function(e,t){this.__onOrientationChange&&this.__onOrientationChange(e,t)},_onShake:function(e,t){this.__onShake&&this.__onShake(e,t)},_onLongPress:function(e,t){this.__onLongPress&&this.__onLongPress(e,t)},_onMouseDown:function(e){this.__onMouseDown(e),t(fabric.document,"touchend",this._onMouseUp),t(fabric.document,"touchmove",this._onMouseMove),n(this.upperCanvasEl,"mousemove",this._onMouseMove),n(this.upperCanvasEl,"touchmove",this._onMouseMove),e.type==="touchstart"?n(this.upperCanvasEl,"mousedown",this._onMouseDown):(t(fabric.document,"mouseup",this._onMouseUp),t(fabric.document,"mousemove",this._onMouseMove))},_onMouseUp:function(e){this.__onMouseUp(e),n(fabric.document,"mouseup",this._onMouseUp),n(fabric.document,"touchend",this._onMouseUp),n(fabric.document,"mousemove",this._onMouseMove),n(fabric.document,"touchmove",this._onMouseMove),t(this.upperCanvasEl,"mousemove",this._onMouseMove),t(this.upperCanvasEl,"touchmove",this._onMouseMove);if(e.type==="touchend"){var r=this;setTimeout(function(){t(r.upperCanvasEl,"mousedown",r._onMouseDown)},400)}},_onMouseMove:function(e){!this.allowTouchScrolling&&e.preventDefault&&e.preventDefault(),this.__onMouseMove(e)},_onResize:function(){this.calcOffset()},_shouldRender:function(e,t){var n=this.getActiveGroup()||this.getActiveObject();return!!(e&&(e.isMoving||e!==n)||!e&&!!n||!e&&!n&&!this._groupSelector||t&&this._previousPointer&&this.selection&&(t.x!==this._previousPointer.x||t.y!==this._previousPointer.y))},__onMouseUp:function(e){var t;if(this.isDrawingMode&&this._isCurrentlyDrawing){this._onMouseUpInDrawingMode(e);return}this._currentTransform?(this._finalizeCurrentTransform(),t=this._currentTransform.target):t=this.findTarget(e,!0);var n=this._shouldRender(t,this.getPointer(e));this._maybeGroupObjects(e),t&&(t.isMoving=!1),n&&this.renderAll(),this._handleCursorAndEvent(e,t)},_handleCursorAndEvent:function(e,t){this._setCursorFromEvent(e,t);var n=this;setTimeout(function(){n._setCursorFromEvent(e,t)},50),this.fire("mouse:up",{target:t,e:e}),t&&t.fire("mouseup",{e:e})},_finalizeCurrentTransform:function(){var e=this._currentTransform,t=e.target;t._scaling&&(t._scaling=!1),t.setCoords(),this.stateful&&t.hasStateChanged()&&(this.fire("object:modified",{target:t}),t.fire("modified")),this._restoreOriginXY(t)},_restoreOriginXY:function(e){if(this._previousOriginX&&this._previousOriginY){var t=e.translateToOriginPoint(e.getCenterPoint(),this._previousOriginX,this._previousOriginY);e.originX=this._previousOriginX,e.originY=this._previousOriginY,e.left=t.x,e.top=t.y,this._previousOriginX=null,this._previousOriginY=null}},_onMouseDownInDrawingMode:function(e){this._isCurrentlyDrawing=!0,this.discardActiveObject(e).renderAll(),this.clipTo&&fabric.util.clipContext(this,this.contextTop);var t=fabric.util.invertTransform(this.viewportTransform),n=fabric.util.transformPoint(this.getPointer(e,!0),t);this.freeDrawingBrush.onMouseDown(n),this.fire("mouse:down",{e:e});var r=this.findTarget(e);typeof r!="undefined"&&r.fire("mousedown",{e:e,target:r})},_onMouseMoveInDrawingMode:function(e){if(this._isCurrentlyDrawing){var t=fabric.util.invertTransform(this.viewportTransform),n=fabric.util.transformPoint(this.getPointer(e,!0),t);this.freeDrawingBrush.onMouseMove(n)}this.setCursor(this.freeDrawingCursor),this.fire("mouse:move",{e:e});var r=this.findTarget(e);typeof r!="undefined"&&r.fire("mousemove",{e:e,target:r})},_onMouseUpInDrawingMode:function(e){this._isCurrentlyDrawing=!1,this.clipTo&&this.contextTop.restore(),this.freeDrawingBrush.onMouseUp(),this.fire("mouse:up",{e:e});var t=this.findTarget(e);typeof t!="undefined"&&t.fire("mouseup",{e:e,target:t})},__onMouseDown:function(e){var t="which"in e?e.which===1:e.button===1;if(!t&&!fabric.isTouchSupported)return;if(this.isDrawingMode){this._onMouseDownInDrawingMode(e);return}if(this._currentTransform)return;var n=this.findTarget(e),r=this.getPointer(e,!0);this._previousPointer=r;var i=this._shouldRender(n,r),s=this._shouldGroup(e,n);this._shouldClearSelection(e,n)?this._clearSelection(e,n,r):s&&(this._handleGrouping(e,n),n=this.getActiveGroup()),n&&n.selectable&&!s&&(this._beforeTransform(e,n),this._setupCurrentTransform(e,n)),i&&this.renderAll(),this.fire("mouse:down",{target:n,e:e}),n&&n.fire("mousedown",{e:e})},_beforeTransform:function(e,t){this.stateful&&t.saveState(),t._findTargetCorner(this.getPointer(e))&&this.onBeforeScaleRotate(t),t!==this.getActiveGroup()&&t!==this.getActiveObject()&&(this.deactivateAll(),this.setActiveObject(t,e))},_clearSelection:function(e,t,n){this.deactivateAllWithDispatch(e),t&&t.selectable?this.setActiveObject(t,e):this.selection&&(this._groupSelector={ex:n.x,ey:n.y,top:0,left:0})},_setOriginToCenter:function(e){this._previousOriginX=this._currentTransform.target.originX,this._previousOriginY=this._currentTransform.target.originY;var t=e.getCenterPoint();e.originX="center",e.originY="center",e.left=t.x,e.top=t.y,this._currentTransform.left=e.left,this._currentTransform.top=e.top},_setCenterToOrigin:function(e){var t=e.translateToOriginPoint(e.getCenterPoint(),this._previousOriginX,this._previousOriginY);e.originX=this._previousOriginX,e.originY=this._previousOriginY,e.left=t.x,e.top=t.y,this._previousOriginX=null,this._previousOriginY=null},__onMouseMove:function(e){var t,n;if(this.isDrawingMode){this._onMouseMoveInDrawingMode(e);return}if(typeof e.touches!="undefined"&&e.touches.length>1)return;var r=this._groupSelector;r?(n=this.getPointer(e,!0),r.left=n.x-r.ex,r.top=n.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(e):(t=this.findTarget(e),!t||t&&!t.selectable?this.setCursor(this.defaultCursor):this._setCursorFromEvent(e,t)),this.fire("mouse:move",{target:t,e:e}),t&&t.fire("mousemove",{e:e})},_transformObject:function(e){var t=this.getPointer(e),n=this._currentTransform;n.reset=!1,n.target.isMoving=!0,this._beforeScaleTransform(e,n),this._performTransformAction(e,n,t),this.renderAll()},_performTransformAction:function(e,t,n){var r=n.x,i=n.y,s=t.target,o=t.action;o==="rotate"?(this._rotateObject(r,i),this._fire("rotating",s,e)):o==="scale"?(this._onScale(e,t,r,i),this._fire("scaling",s,e)):o==="scaleX"?(this._scaleObject(r,i,"x"),this._fire("scaling",s,e)):o==="scaleY"?(this._scaleObject(r,i,"y"),this._fire("scaling",s,e)):(this._translateObject(r,i),this._fire("moving",s,e),this.setCursor(this.moveCursor))},_fire:function(e,t,n){this.fire("object:"+e,{target:t,e:n}),t.fire(e,{e:n})},_beforeScaleTransform:function(e,t){if(t.action==="scale"||t.action==="scaleX"||t.action==="scaleY"){var n=this._shouldCenterTransform(e,t.target);if(n&&(t.originX!=="center"||t.originY!=="center")||!n&&t.originX==="center"&&t.originY==="center")this._resetCurrentTransform(e),t.reset=!0}},_onScale:function(e,t,n,r){(e.shiftKey||this.uniScaleTransform)&&!t.target.get("lockUniScaling")?(t.currentAction="scale",this._scaleObject(n,r)):(!t.reset&&t.currentAction==="scale"&&this._resetCurrentTransform(e,t.target),t.currentAction="scaleEqually",this._scaleObject(n,r,"equally"))},_setCursorFromEvent:function(e,t){if(!t||!t.selectable)return this.setCursor(this.defaultCursor),!1;var n=this.getActiveGroup(),r=t._findTargetCorner&&(!n||!n.contains(t))&&t._findTargetCorner(this.getPointer(e,!0));return r?this._setCornerCursor(r,t):this.setCursor(t.hoverCursor||this.hoverCursor),!0},_setCornerCursor:function(t,n){if(t in e)this.setCursor(this._getRotatedCornerCursor(t,n));else{if(t!=="mtr"||!n.hasRotatingPoint)return this.setCursor(this.defaultCursor),!1;this.setCursor(this.rotationCursor)}},_getRotatedCornerCursor:function(t,n){var r=Math.round(n.getAngle()%360/45);return r<0&&(r+=8),r+=e[t],r%=8,this.cursorMap[r]}})}(),function(){var e=Math.min,t=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(e,t){var n=this.getActiveObject();return e.shiftKey&&(this.getActiveGroup()||n&&n!==t)&&this.selection},_handleGrouping:function(e,t){if(t===this.getActiveGroup()){t=this.findTarget(e,!0);if(!t||t.isType("group"))return}this.getActiveGroup()?this._updateActiveGroup(t,e):this._createActiveGroup(t,e),this._activeGroup&&this._activeGroup.saveCoords()},_updateActiveGroup:function(e,t){var n=this.getActiveGroup();if(n.contains(e)){n.removeWithUpdate(e),this._resetObjectTransform(n),e.set("active",!1);if(n.size()===1){this.discardActiveGroup(t),this.setActiveObject(n.item(0));return}}else n.addWithUpdate(e),this._resetObjectTransform(n);this.fire("selection:created",{target:n,e:t}),n.set("active",!0)},_createActiveGroup:function(e,t){if(this._activeObject&&e!==this._activeObject){var n=this._createGroup(e
  );n.addWithUpdate(),this.setActiveGroup(n),this._activeObject=null,this.fire("selection:created",{target:n,e:t})}e.set("active",!0)},_createGroup:function(e){var t=this.getObjects(),n=t.indexOf(this._activeObject)<t.indexOf(e),r=n?[this._activeObject,e]:[e,this._activeObject];return new fabric.Group(r,{canvas:this})},_groupSelectedObjects:function(e){var t=this._collectObjects();t.length===1?this.setActiveObject(t[0],e):t.length>1&&(t=new fabric.Group(t.reverse(),{canvas:this}),t.addWithUpdate(),this.setActiveGroup(t,e),t.saveCoords(),this.fire("selection:created",{target:t}),this.renderAll())},_collectObjects:function(){var n=[],r,i=this._groupSelector.ex,s=this._groupSelector.ey,o=i+this._groupSelector.left,u=s+this._groupSelector.top,a=new fabric.Point(e(i,o),e(s,u)),f=new fabric.Point(t(i,o),t(s,u)),l=i===o&&s===u;for(var c=this._objects.length;c--;){r=this._objects[c];if(!r||!r.selectable||!r.visible)continue;if(r.intersectsWithRect(a,f)||r.isContainedWithinRect(a,f)||r.containsPoint(a)||r.containsPoint(f)){r.set("active",!0),n.push(r);if(l)break}}return n},_maybeGroupObjects:function(e){this.selection&&this._groupSelector&&this._groupSelectedObjects(e);var t=this.getActiveGroup();t&&(t.setObjectsCoords().setCoords(),t.isMoving=!1,this.setCursor(this.defaultCursor)),this._groupSelector=null,this._currentTransform=null}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(e){e||(e={});var t=e.format||"png",n=e.quality||1,r=e.multiplier||1,i={left:e.left,top:e.top,width:e.width,height:e.height};return r!==1?this.__toDataURLWithMultiplier(t,n,i,r):this.__toDataURL(t,n,i)},__toDataURL:function(e,t,n){this.renderAll(!0);var r=this.upperCanvasEl||this.lowerCanvasEl,i=this.__getCroppedCanvas(r,n);e==="jpg"&&(e="jpeg");var s=fabric.StaticCanvas.supports("toDataURLWithQuality")?(i||r).toDataURL("image/"+e,t):(i||r).toDataURL("image/"+e);return this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),i&&(i=null),s},__getCroppedCanvas:function(e,t){var n,r,i="left"in t||"top"in t||"width"in t||"height"in t;return i&&(n=fabric.util.createCanvasElement(),r=n.getContext("2d"),n.width=t.width||this.width,n.height=t.height||this.height,r.drawImage(e,-t.left||0,-t.top||0)),n},__toDataURLWithMultiplier:function(e,t,n,r){var i=this.getWidth(),s=this.getHeight(),o=i*r,u=s*r,a=this.getActiveObject(),f=this.getActiveGroup(),l=this.contextTop||this.contextContainer;r>1&&this.setWidth(o).setHeight(u),l.scale(r,r),n.left&&(n.left*=r),n.top&&(n.top*=r),n.width?n.width*=r:r<1&&(n.width=o),n.height?n.height*=r:r<1&&(n.height=u),f?this._tempRemoveBordersControlsFromGroup(f):a&&this.deactivateAll&&this.deactivateAll(),this.renderAll(!0);var c=this.__toDataURL(e,t,n);return this.width=i,this.height=s,l.scale(1/r,1/r),this.setWidth(i).setHeight(s),f?this._restoreBordersControlsOnGroup(f):a&&this.setActiveObject&&this.setActiveObject(a),this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),c},toDataURLWithMultiplier:function(e,t,n){return this.toDataURL({format:e,multiplier:t,quality:n})},_tempRemoveBordersControlsFromGroup:function(e){e.origHasControls=e.hasControls,e.origBorderColor=e.borderColor,e.hasControls=!0,e.borderColor="rgba(0,0,0,0)",e.forEachObject(function(e){e.origBorderColor=e.borderColor,e.borderColor="rgba(0,0,0,0)"})},_restoreBordersControlsOnGroup:function(e){e.hideControls=e.origHideControls,e.borderColor=e.origBorderColor,e.forEachObject(function(e){e.borderColor=e.origBorderColor,delete e.origBorderColor})}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(e,t,n){return this.loadFromJSON(e,t,n)},loadFromJSON:function(e,t,n){if(!e)return;var r=typeof e=="string"?JSON.parse(e):e;this.clear();var i=this;return this._enlivenObjects(r.objects,function(){i._setBgOverlay(r,t)},n),this},_setBgOverlay:function(e,t){var n=this,r={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!e.backgroundImage&&!e.overlayImage&&!e.background&&!e.overlay){t&&t();return}var i=function(){r.backgroundImage&&r.overlayImage&&r.backgroundColor&&r.overlayColor&&(n.renderAll(),t&&t())};this.__setBgOverlay("backgroundImage",e.backgroundImage,r,i),this.__setBgOverlay("overlayImage",e.overlayImage,r,i),this.__setBgOverlay("backgroundColor",e.background,r,i),this.__setBgOverlay("overlayColor",e.overlay,r,i),i()},__setBgOverlay:function(e,t,n,r){var i=this;if(!t){n[e]=!0;return}e==="backgroundImage"||e==="overlayImage"?fabric.Image.fromObject(t,function(t){i[e]=t,n[e]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(e,!0)](t,function(){n[e]=!0,r&&r()})},_enlivenObjects:function(e,t,n){var r=this;if(!e||e.length===0){t&&t();return}var i=this.renderOnAddRemove;this.renderOnAddRemove=!1,fabric.util.enlivenObjects(e,function(e){e.forEach(function(e,t){r.insertAt(e,t,!0)}),r.renderOnAddRemove=i,t&&t()},null,n)},_toDataURL:function(e,t){this.clone(function(n){t(n.toDataURL(e))})},_toDataURLWithMultiplier:function(e,t,n){this.clone(function(r){n(r.toDataURLWithMultiplier(e,t))})},clone:function(e,t){var n=JSON.stringify(this.toJSON(t));this.cloneWithoutData(function(t){t.loadFromJSON(n,function(){e&&e(t)})})},cloneWithoutData:function(e){var t=fabric.document.createElement("canvas");t.width=this.getWidth(),t.height=this.getHeight();var n=new fabric.Canvas(t);n.clipTo=this.clipTo,this.backgroundImage?(n.setBackgroundImage(this.backgroundImage.src,function(){n.renderAll(),e&&e(n)}),n.backgroundImageOpacity=this.backgroundImageOpacity,n.backgroundImageStretch=this.backgroundImageStretch):e&&e(n)}}),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.toFixed,i=t.util.string.capitalize,s=t.util.degreesToRadians,o=t.StaticCanvas.supports("setLineDash");if(t.Object)return;t.Object=t.util.createClass({type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,cornerSize:12,transparentCorners:!0,hoverCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",cornerColor:"rgba(102,153,255,0.5)",centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockScalingFlip:!1,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill fillRule globalCompositeOperation shadow clipTo visible backgroundColor".split(" "),initialize:function(e){e&&this.setOptions(e)},_initGradient:function(e){e.fill&&e.fill.colorStops&&!(e.fill instanceof t.Gradient)&&this.set("fill",new t.Gradient(e.fill))},_initPattern:function(e){e.fill&&e.fill.source&&!(e.fill instanceof t.Pattern)&&this.set("fill",new t.Pattern(e.fill)),e.stroke&&e.stroke.source&&!(e.stroke instanceof t.Pattern)&&this.set("stroke",new t.Pattern(e.stroke))},_initClipping:function(e){if(!e.clipTo||typeof e.clipTo!="string")return;var n=t.util.getFunctionBody(e.clipTo);typeof n!="undefined"&&(this.clipTo=new Function("ctx",n))},setOptions:function(e){for(var t in e)this.set(t,e[t]);this._initGradient(e),this._initPattern(e),this._initClipping(e)},transform:function(e,t){var n=t?this._getLeftTopCoords():this.getCenterPoint();e.translate(n.x,n.y),e.rotate(s(this.angle)),e.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1))},toObject:function(e){var n=t.Object.NUM_FRACTION_DIGITS,i={type:this.type,originX:this.originX,originY:this.originY,left:r(this.left,n),top:r(this.top,n),width:r(this.width,n),height:r(this.height,n),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:r(this.strokeWidth,n),strokeDashArray:this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:r(this.strokeMiterLimit,n),scaleX:r(this.scaleX,n),scaleY:r(this.scaleY,n),angle:r(this.getAngle(),n),flipX:this.flipX,flipY:this.flipY,opacity:r(this.opacity,n),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,globalCompositeOperation:this.globalCompositeOperation};return this.includeDefaultValues||(i=this._removeDefaultValues(i)),t.util.populateWithProperties(this,i,e),i},toDatalessObject:function(e){return this.toObject(e)},_removeDefaultValues:function(e){var n=t.util.getKlass(e.type).prototype,r=n.stateProperties;return r.forEach(function(t){e[t]===n[t]&&delete e[t]}),e},toString:function(){return"#<fabric."+i(this.type)+">"},get:function(e){return this[e]},_setObject:function(e){for(var t in e)this._set(t,e[t])},set:function(e,t){return typeof e=="object"?this._setObject(e):typeof t=="function"&&e!=="clipTo"?this._set(e,t(this.get(e))):this._set(e,t),this},_set:function(e,n){var i=e==="scaleX"||e==="scaleY";return i&&(n=this._constrainScale(n)),e==="scaleX"&&n<0?(this.flipX=!this.flipX,n*=-1):e==="scaleY"&&n<0?(this.flipY=!this.flipY,n*=-1):e==="width"||e==="height"?this.minScaleLimit=r(Math.min(.1,1/Math.max(this.width,this.height)),2):e==="shadow"&&n&&!(n instanceof t.Shadow)&&(n=new t.Shadow(n)),this[e]=n,this},toggle:function(e){var t=this.get(e);return typeof t=="boolean"&&this.set(e,!t),this},setSourcePath:function(e){return this.sourcePath=e,this},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:[1,0,0,1,0,0]},render:function(e,n){if(this.width===0&&this.height===0||!this.visible)return;e.save(),this._setupCompositeOperation(e),n||this.transform(e),this._setStrokeStyles(e),this._setFillStyles(e),this.transformMatrix&&e.transform.apply(e,this.transformMatrix),this._setOpacity(e),this._setShadow(e),this.clipTo&&t.util.clipContext(this,e),this._render(e,n),this.clipTo&&e.restore(),this._removeShadow(e),this._restoreCompositeOperation(e),e.restore()},_setOpacity:function(e){this.group&&this.group._setOpacity(e),e.globalAlpha*=this.opacity},_setStrokeStyles:function(e){this.stroke&&(e.lineWidth=this.strokeWidth,e.lineCap=this.strokeLineCap,e.lineJoin=this.strokeLineJoin,e.miterLimit=this.strokeMiterLimit,e.strokeStyle=this.stroke.toLive?this.stroke.toLive(e,this):this.stroke)},_setFillStyles:function(e){this.fill&&(e.fillStyle=this.fill.toLive?this.fill.toLive(e,this):this.fill)},_renderControls:function(e,n){if(!this.active||n)return;var r=this.getViewportTransform();e.save();var i;this.group&&(i=t.util.transformPoint(this.group.getCenterPoint(),r),e.translate(i.x,i.y),e.rotate(s(this.group.angle))),i=t.util.transformPoint(this.getCenterPoint(),r,null!=this.group),this.group&&(i.x*=this.group.scaleX,i.y*=this.group.scaleY),e.translate(i.x,i.y),e.rotate(s(this.angle)),this.drawBorders(e),this.drawControls(e),e.restore()},_setShadow:function(e){if(!this.shadow)return;var t=this.canvas&&this.canvas.viewportTransform[0]||1,n=this.canvas&&this.canvas.viewportTransform[3]||1;e.shadowColor=this.shadow.color,e.shadowBlur=this.shadow.blur*(t+n)*(this.scaleX+this.scaleY)/4,e.shadowOffsetX=this.shadow.offsetX*t*this.scaleX,e.shadowOffsetY=this.shadow.offsetY*n*this.scaleY},_removeShadow:function(e){if(!this.shadow)return;e.shadowColor="",e.shadowBlur=e.shadowOffsetX=e.shadowOffsetY=0},_renderFill:function(e){if(!this.fill)return;e.save();if(this.fill.gradientTransform){var t=this.fill.gradientTransform;e.transform.apply(e,t)}this.fill.toLive&&e.translate(-this.width/2+this.fill.offsetX||0,-this.height/2+this.fill.offsetY||0),this.fillRule==="evenodd"?e.fill("evenodd"):e.fill(),e.restore(),this.shadow&&!this.shadow.affectStroke&&this._removeShadow(e)},_renderStroke:function(e){if(!this.stroke||this.strokeWidth===0)return;e.save();if(this.strokeDashArray)1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),o?(e.setLineDash(this.strokeDashArray),this._stroke&&this._stroke(e)):this._renderDashedStroke&&this._renderDashedStroke(e),e.stroke();else{if(this.stroke.gradientTransform){var t=this.stroke.gradientTransform;e.transform.apply(e,t)}this._stroke?this._stroke(e):e.stroke()}this._removeShadow(e),e.restore()},clone:function(e,n){return this.constructor.fromObject?this.constructor.fromObject(this.toObject(n),e):new t.Object(this.toObject(n))},cloneAsImage:function(e){var n=this.toDataURL();return t.util.loadImage(n,function(n){e&&e(new t.Image(n))}),this},toDataURL:function(e){e||(e={});var n=t.util.createCanvasElement(),r=this.getBoundingRect();n.width=r.width,n.height=r.height,t.util.wrapElement(n,"div");var i=new t.StaticCanvas(n);e.format==="jpg"&&(e.format="jpeg"),e.format==="jpeg"&&(i.backgroundColor="#fff");var s={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new t.Point(n.width/2,n.height/2),"center","center");var o=this.canvas;i.add(this);var u=i.toDataURL(e);return this.set(s).setCoords(),this.canvas=o,i.dispose(),i=null,u},isType:function(e){return this.type===e},complexity:function(){return 0},toJSON:function(e){return this.toObject(e)},setGradient:function(e,n){n||(n={});var r={colorStops:[]};r.type=n.type||(n.r1||n.r2?"radial":"linear"),r.coords={x1:n.x1,y1:n.y1,x2:n.x2,y2:n.y2};if(n.r1||n.r2)r.coords.r1=n.r1,r.coords.r2=n.r2;for(var i in n.colorStops){var s=new t.Color(n.colorStops[i]);r.colorStops.push({offset:i,color:s.toRgb(),opacity:s.getAlpha()})}return this.set(e,t.Gradient.forObject(this,r))},setPatternFill:function(e){return this.set("fill",new t.Pattern(e))},setShadow:function(e){return this.set("shadow",e?new t.Shadow(e):null)},setColor:function(e){return this.set("fill",e),this},setAngle:function(e){var t=(this.originX!=="center"||this.originY!=="center")&&this.centeredRotation;return t&&this._setOriginToCenter(),this.set("angle",e),t&&this._resetOrigin(),this},centerH:function(){return this.canvas.centerObjectH(this),this},centerV:function(){return this.canvas.centerObjectV(this),this},center:function(){return this.canvas.centerObject(this),this},remove:function(){return this.canvas.remove(this),this},getLocalPointer:function(e,t){t=t||this.canvas.getPointer(e);var n=this.translateToOriginPoint(this.getCenterPoint(),"left","top");return{x:t.x-n.x,y:t.y-n.y}},_setupCompositeOperation:function(e){this.globalCompositeOperation&&(this._prevGlobalCompositeOperation=e.globalCompositeOperation,e.globalCompositeOperation=this.globalCompositeOperation)},_restoreCompositeOperation:function(e){this.globalCompositeOperation&&this._prevGlobalCompositeOperation&&(e.globalCompositeOperation=this._prevGlobalCompositeOperation)}}),t.util.createAccessors(t.Object),t.Object.prototype.rotate=t.Object.prototype.setAngle,n(t.Object.prototype,t.Observable),t.Object.NUM_FRACTION_DIGITS=2,t.Object.__uid=0}(typeof exports!="undefined"?exports:this),function(){var e=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{translateToCenterPoint:function(t,n,r){var i=t.x,s=t.y,o=this.stroke?this.strokeWidth:0;return n==="left"?i=t.x+(this.getWidth()+o*this.scaleX)/2:n==="right"&&(i=t.x-(this.getWidth()+o*this.scaleX)/2),r==="top"?s=t.y+(this.getHeight()+o*this.scaleY)/2:r==="bottom"&&(s=t.y-(this.getHeight()+o*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(i,s),t,e(this.angle))},translateToOriginPoint:function(t,n,r){var i=t.x,s=t.y,o=this.stroke?this.strokeWidth:0;return n==="left"?i=t.x-(this.getWidth()+o*this.scaleX)/2:n==="right"&&(i=t.x+(this.getWidth()+o*this.scaleX)/2),r==="top"?s=t.y-(this.getHeight()+o*this.scaleY)/2:r==="bottom"&&(s=t.y+(this.getHeight()+o*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(i,s),t,e(this.angle))},getCenterPoint:function(){var e=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(e,this.originX,this.originY)},getPointByOrigin:function(e,t){var n=this.getCenterPoint();return this.translateToOriginPoint(n,e,t)},toLocalPoint:function(t,n,r){var i=this.getCenterPoint(),s=this.stroke?this.strokeWidth:0,o,u;return n&&r?(n==="left"?o=i.x-(this.getWidth()+s*this.scaleX)/2:n==="right"?o=i.x+(this.getWidth()+s*this.scaleX)/2:o=i.x,r==="top"?u=i.y-(this.getHeight()+s*this.scaleY)/2:r==="bottom"?u=i.y+(this.getHeight()+s*this.scaleY)/2:u=i.y):(o=this.left,u=this.top),fabric.util.rotatePoint(new fabric.Point(t.x,t.y),i,-e(this.angle)).subtractEquals(new fabric.Point(o,u))},setPositionByOrigin:function(e,t,n){var r=this.translateToCenterPoint(e,t,n),i=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",i.x),this.set("top",i.y)},adjustPosition:function(t){var n=e(this.angle),r=this.getWidth()/2,i=Math.cos(n)*r,s=Math.sin(n)*r,o=this.getWidth(),u=Math.cos(n)*o,a=Math.sin(n)*o;this.originX==="center"&&t==="left"||this.originX==="right"&&t==="center"?(this.left-=i,this.top-=s):this.originX==="left"&&t==="center"||this.originX==="center"&&t==="right"?(this.left+=i,this.top+=s):this.originX==="left"&&t==="right"?(this.left+=u,this.top+=a):this.originX==="right"&&t==="left"&&(this.left-=u,this.top-=a),this.setCoords(),this.originX=t},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var e=this.getCenterPoint();this.originX="center",this.originY="center",this.left=e.x,this.top=e.y},_resetOrigin:function(){var e=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=e.x,this.top=e.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","center")}})}(),function(){var e=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,intersectsWithRect:function(e,t){var n=this.oCoords,r=new fabric.Point(n.tl.x,n.tl.y),i=new fabric.Point(n.tr.x,n.tr.y),s=new fabric.Point(n.bl.x,n.bl.y),o=new fabric.Point(n.br.x,n.br.y),u=fabric.Intersection.intersectPolygonRectangle([r,i,o,s],e,t);return u.status==="Intersection"},intersectsWithObject:function(e){function t(e){return{tl:new fabric.Point(e.tl.x,e.tl.y),tr:new fabric.Point(e.tr.x,e.tr.y),bl:new fabric.Point(e.bl.x,e.bl.y),br:new fabric.Point(e.br.x,e.br.y)}}var n=t(this.oCoords),r=t(e.oCoords),i=fabric.Intersection.intersectPolygonPolygon([n.tl,n.tr,n.br,n.bl],[r.tl,r.tr,r.br,r.bl]);return i.status==="Intersection"},isContainedWithinObject:function(e){var t=e.getBoundingRect(),n=new fabric.Point(t.left,t.top),r=new fabric.Point(t.left+t.width,t.top+t.height);return this.isContainedWithinRect(n,r)},isContainedWithinRect:function(e,t){var n=this.getBoundingRect();return n.left>=e.x&&n.left+n.width<=t.x&&n.top>=e.y&&n.top+n.height<=t.y},containsPoint:function(e){var t=this._getImageLines(this.oCoords),n=this._findCrossPoints(e,t);return n!==0&&n%2===1},_getImageLines:function(e){return{topline:{o:e.tl,d:e.tr},rightline:{o:e.tr,d:e.br},bottomline:{o:e.br,d:e.bl},leftline:{o:e.bl,d:e.tl}}},_findCrossPoints:function(e,t){var n,r,i,s,o,u,a=0,f;for(var l in t){f=t[l];if(f.o.y<e.y&&f.d.y<e.y)continue;if(f.o.y>=e.y&&f.d.y>=e.y)continue;f.o.x===f.d.x&&f.o.x>=e.x?(o=f.o.x,u=e.y):(n=0,r=(f.d.y-f.o.y)/(f.d.x-f.o.x),i=e.y-n*e.x,s=f.o.y-r*f.o.x,o=-(i-s)/(n-r),u=i+n*o),o>=e.x&&(a+=1);if(a===2)break}return a},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(){this.oCoords||this.setCoords();var e=[this.oCoords.tl.x,this.oCoords.tr.x,this.oCoords.br.x,this.oCoords.bl.x],t=fabric.util.array.min(e),n=fabric.util.array.max(e),r=Math.abs(t-n),i=[this.oCoords.tl.y,this.oCoords.tr.y,this.oCoords.br.y,this.oCoords.bl.y],s=fabric.util.array.min(i),o=fabric.util.array.max(i),u=Math.abs(s-o);return{left:t,top:s,width:r,height:u}},getWidth:function(){return this.width*this.scaleX},getHeight:function(){return this.height*this.scaleY},_constrainScale:function(e){return Math.abs(e)<this.minScaleLimit?e<0?-this.minScaleLimit:this.minScaleLimit:e},scale:function(e){return e=this._constrainScale(e),e<0&&(this.flipX=!this.flipX,this.flipY=!this.flipY,e*=-1),this.scaleX=e,this.scaleY=e,this.setCoords(),this},scaleToWidth:function(e){var t=this.getBoundingRectWidth()/this.getWidth();return this.scale(e/this.width/t)},scaleToHeight:function(e){var t=this.getBoundingRectHeight()/this.getHeight();return this.scale(e/this.height/t)},setCoords:function(){var t=e(this.angle),n=this.getViewportTransform(),r=function(e){return fabric.util.transformPoint(e,n)},i=this._calculateCurrentDimensions(!1),s=i.x,o=i.y;s<0&&(s=Math.abs(s));var u=Math.sqrt(Math.pow(s/2,2)+Math.pow(o/2,2)),a=Math.atan(isFinite(o/s)?o/s:0),f=Math.cos(a+t)*u,l=Math.sin(a+t)*u,c=Math.sin(t),h=Math.cos(t),p=this.getCenterPoint(),d=new fabric.Point(s,o),v=new fabric.Point(p.x-f,p.y-l),m=new fabric.Point(v.x+d.x*h,v.y+d.x*c),g=r(new fabric.Point(v.x-d.y*c,v.y+d.y*h)),y=r(new fabric.Point(m.x-d.y*c,m.y+d.y*h)),b=r(v),w=r(m),E=new fabric.Point((b.x+g.x)/2,(b.y+g.y)/2),S=new fabric.Point((w.x+b.x)/2,(w.y+b.y)/2),x=new fabric.Point((y.x+w.x)/2,(y.y+w.y)/2),T=new fabric.Point((y.x+g.x)/2,(y.y+g.y)/2),N=new fabric.Point(S.x+c*this.rotatingPointOffset,S.y-h*this.rotatingPointOffset);return this.oCoords={tl:b,tr:w,br:y,bl:g,ml:E,mt:S,mr:x,mb:T,mtr:N},this._setCornerCoords&&this._setCornerCoords(),this}})}(),fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){return this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(e){return this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,e):this.canvas.sendBackwards(this,e),this},bringForward:function(e){return this.group?fabric.StaticCanvas.prototype.bringForward.call(this.group,this,e):this.canvas.bringForward(this,e),this},moveTo:function(e){return this.group?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,e):this.canvas.moveTo(this,e),this}}),fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(){var e=this.fill?this.fill.toLive?"url(#SVGID_"+this.fill.id+")":this.fill:"none",t=this.fillRule,n=this.stroke?this.stroke.toLive?"url(#SVGID_"+this.stroke.id+")":this.stroke:"none",r=this.strokeWidth?this.strokeWidth:"0",i=this.strokeDashArray?this.strokeDashArray.join(" "):"",s=this.strokeLineCap?this.strokeLineCap:"butt",o=this.strokeLineJoin?this.strokeLineJoin:"miter",u=this.strokeMiterLimit?this.strokeMiterLimit:"4",a=typeof this.opacity!="undefined"?this.opacity:"1",f=this.visible?"":" visibility: hidden;",l=this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":"";return["stroke: ",n,"; ","stroke-width: ",r,"; ","stroke-dasharray: ",i,"; ","stroke-linecap: ",s,"; ","stroke-linejoin: ",o,"; ","stroke-miterlimit: ",u,"; ","fill: ",e,"; ","fill-rule: ",t,"; ","opacity: ",a,";",l,f].join("")},getSvgTransform:function(){if(this.group&&this.group.type==="path-group")return"";var e=fabric.util.toFixed,t=this.getAngle(),n=!this.canvas||this.canvas.svgViewportTransformation?this.getViewportTransform():[1,0,0,1,0,0],r=fabric.util.transformPoint(this.getCenterPoint(),n),i=fabric.Object.NUM_FRACTION_DIGITS,s=this.type==="path-group"?"":"translate("+e(r.x,i)+" "+e(r.y,i)+")",o=t!==0?" rotate("+e(t,i)+")":"",u=this.scaleX===1&&this.scaleY===1&&n[0]===1&&n[3]===1?"":" scale("+e(this.scaleX*n[0],i)+" "+e(this.scaleY*n[3],i)+")",a=this.type==="path-group"?this.width*n[0]:0,f=this.flipX?" matrix(-1 0 0 1 "+a+" 0) ":"",l=this.type==="path-group"?this.height*n[3]:0,c=this.flipY?" matrix(1 0 0 -1 0 "+l+")":"";return[s,o,u,f,c].join("")},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+") ":""},_createBaseSVGMarkup:function(){var e=[];return this.fill&&this.fill.toLive&&e.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&e.push(this.stroke.toSVG(this,!1)),this.shadow&&e.push(this.shadow.toSVG(this)),e}}),fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(){return this.stateProperties.some(function(e){return this.get(e)!==this.originalState[e]},this)},saveState:function(e){return this.stateProperties.forEach(function(e){this.originalState[e]=this.get(e)},this),e&&e.stateProperties&&e.stateProperties.forEach(function(e){this.originalState[e]=this.get(e)},this),this},setupState:function(){return this.originalState={},this.saveState(),this}}),function(){var e=fabric.util.degreesToRadians,t=function(){return typeof G_vmlCanvasManager!="undefined"};fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(e){if(!this.hasControls||!this.active)return!1;var t=e.x,n=e.y,r,i;for(var s in this.oCoords){if(!this.isControlVisible(s))continue;if(s==="mtr"&&!this.hasRotatingPoint)continue;if(!(!this.get("lockUniScaling")||s!=="mt"&&s!=="mr"&&s!=="mb"&&s!=="ml"))continue;i=this._getImageLines(this.oCoords[s].corner),r=this._findCrossPoints({x:t,y:n},i);if(r!==0&&r%2===1)return this.__corner=s,s}return!1},_setCornerCoords:function(){var t=this.oCoords,n=e(45-this.angle),r=Math.sqrt(2*Math.pow(this.cornerSize,2))/2,i=r*Math.cos(n),s=r*Math.sin(n),o,u;for(var a in t)o=t[a].x,u=t[a].y,t[a].corner={tl:{x:o-s,y:u-i},tr:{x:o+i,y:u-s},bl:{x:o-i,y:u+s},br:{x:o+s,y:u+i}}},_calculateCurrentDimensions:function(e){var t=this.getViewportTransform(),n=this.strokeWidth,r=this.width,i=this.height,s=this.strokeLineCap==="round"||this.strokeLineCap==="square",o=this.type==="line"&&this.width===0,u=this.type==="line"&&this.height===0,a=o||u,f=s&&u||!a,l=s&&o||!a;return o?r=n:u&&(i=n),f&&(r+=r<0?-n:n),l&&(i+=i<0?-n:n),r=r*this.scaleX+2*this.padding,i=i*this.scaleY+2*this.padding,e?fabric.util.transformPoint(new fabric.Point(r,i),t,!0):{x:r,y:i}},drawBorders:function(e){if(!this.hasBorders)return this;e.save(),e.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,e.strokeStyle=this.borderColor,e.lineWidth=1/this.borderScaleFactor;var t=this._calculateCurrentDimensions(!0),n=t.x,r=t.y;this.group&&(n*=this.group.scaleX,r*=this.group.scaleY),e.strokeRect(~~-(n/2)-.5,~~-(r/2)-.5,~~n+1,~~r+1);if(this.hasRotatingPoint&&this.isControlVisible("mtr")&&!this.get("lockRotation")&&this.hasControls){var i=-r/2;e.beginPath(),e.moveTo(0,i),e.lineTo(0,i-this.rotatingPointOffset),e.closePath(),e.stroke()}return e.restore(),this},drawControls:function(e){if(!this.hasControls)return this;var t=this._calculateCurrentDimensions(!0),n=t.x,r=t.y,i=-(n/2),s=-(r/2),o=this.cornerSize/2,u=this.transparentCorners?"strokeRect":"fillRect";return e.save(),e.lineWidth=1,e.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,e.strokeStyle=e.fillStyle=this.cornerColor,this._drawControl("tl",e,u,i-o,s-o),this._drawControl("tr",e,u,i+n-o,s-o),this._drawControl("bl",e,u,i-o,s+r-o),this._drawControl("br",e,u,i+n-o,s+r-o),this.get("lockUniScaling")||(this._drawControl("mt",e,u,i+n/2-o,s-o),this._drawControl("mb",e,u,i+n/2-o,s+r-o),this._drawControl("mr",e,u,i+n-o,s+r/2-o),this._drawControl("ml",e,u,i-o,s+r/2-o)),this.hasRotatingPoint&&this._drawControl("mtr",e,u,i+n/2-o,s-this.rotatingPointOffset-o),e.restore(),this},_drawControl:function(e,n,r,i,s){if(!this.isControlVisible(e))return;var o=this.cornerSize;t()||this.transparentCorners||n.clearRect(i,s,o,o),n[r](i,s,o,o)},isControlVisible:function(e){return this._getControlsVisibility()[e]},setControlVisible:function(e,t){return this._getControlsVisibility()[e]=t,this},setControlsVisibility:function(e){e||(e={});for(var t in e)this.setControlVisible(t,e[t]);return this},_getControlsVisibility:function(){return this._controlsVisibility||(this._controlsVisibility={tl:!0,tr:!0,br:!0,bl:!0,ml:!0,mt:!0,mr:!0,mb:!0,mtr:!0}),this._controlsVisibility}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(e,t){t=t||{};var n=function(){},r=t.onComplete||n,i=t.onChange||n,s=this;return fabric.util.animate({startValue:e.get("left"),endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(t){e.set("left",t),s.renderAll(),i()},onComplete:function(){e.setCoords(),r()}}),this},fxCenterObjectV:function(e,t){t=t||{};var n=function(){},r=t.onComplete||n,i=t.onChange||n,s=this;return fabric.util.animate({startValue:e.get("top"),endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(t){e.set("top",t),s.renderAll(),i()},onComplete:function(){e.setCoords(),r()}}),this},fxRemove:function(e,t){t=t||{};var n=function(){},r=t.onComplete||n,i=t.onChange||n,s=this;return fabric.util.animate({startValue:e.get("opacity"),endValue:0,duration:this.FX_DURATION,onStart:function(){e.set("active",!1)},onChange:function(t){e.set("opacity",t),s.renderAll(),i()},onComplete:function(){s.remove(e),r()}}),this}}),fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&typeof arguments[0]=="object"){var e=[],t,n;for(t in arguments[0])e.push(t);for(var r=0,i=e.length;r<i;r++)t=e[r],n=r!==i-1,this._animate(t,arguments[0][t],arguments[1],n)}else this._animate.apply(this,arguments);return this},_animate:function(e,t,n,r){var i=this,s;t=t.toString(),n?n=fabric.util.object.clone(n):n={},~e.indexOf(".")&&(s=e.split("."));var o=s?this.get(s[0])[s[1]]:this.get(e);"from"in n||(n.from=o),~t.indexOf("=")?t=o+parseFloat(t.replace("=","")):t=parseFloat(t),fabric.util.animate({startValue:n.from,endValue:t,byValue:n.by,easing:n.easing,duration:n.duration,abort:n.abort&&function(){return n.abort.call(i)},onChange:function(t){s?i[s[0]][s[1]]=t:i.set(e,t);if(r)return;n.onChange&&n.onChange()},onComplete:function(){if(r)return;i.setCoords(),n.onComplete&&n.onComplete()}})}}),function(e){"use strict";function s(e,t){var n=e.origin,r=e.axis1,i=e.axis2,s=e.dimension,o=t.nearest,u=t.center,a=t.farthest;return function(){switch(this.get(n)){case o:return Math.min(this.get(r),this.get(i));case u:return Math.min(this.get(r),this.get(i))+.5*this.get(s);case a:return Math.max(this.get(r),this.get(i))}}}var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r={x1:1,x2:1,y1:1,y2:1},i=t.StaticCanvas.supports("setLineDash");if(t.Line){t.warn("fabric.Line is already defined");return}t.Line=t.util.createClass(t.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,initialize:function(e,t){t=t||{},e||(e=[0,0,0,0]),this.callSuper("initialize",t),this.set("x1",e[0]),this.set("y1",e[1]),this.set("x2",e[2]),this.set("y2",e[3]),this._setWidthHeight(t)},_setWidthHeight:function(e){e||(e={}),this.width=Math.abs(this.x2-this.x1),this.height=Math.abs(this.y2-this.y1),this.left="left"in e?e.left:this._getLeftToOriginX(),this.top="top"in e?e.top:this._getTopToOriginY()},_set:function(e,t){return this.callSuper("_set",e,t),typeof r[e]!="undefined"&&this._setWidthHeight(),this},_getLeftToOriginX:s({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:s({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(e,t){e.beginPath();if(t){var n=this.getCenterPoint();e.translate(n.x-this.strokeWidth/2,n.y-this.strokeWidth/2)}if(!this.strokeDashArray||this.strokeDashArray&&i){var r=this.calcLinePoints();e.moveTo(r.x1,r.y1),e.lineTo(r.x2,r.y2)}e.lineWidth=this.strokeWidth;var s=e.strokeStyle;e.strokeStyle=this.stroke||e.fillStyle,this.stroke&&this._renderStroke(e),e.strokeStyle=s},_renderDashedStroke:function(e){var n=this.calcLinePoints();e.beginPath(),t.util.drawDashedLine(e,n.x1,n.y1,n.x2,n.y2,this.strokeDashArray),e.closePath()},toObject:function(e){return n(this.callSuper("toObject",e),this.calcLinePoints())},calcLinePoints:function(){var e=this.x1<=this.x2?-1:1,t=this.y1<=this.y2?-1:1,n=e*this.width*.5,r=t*this.height*.5,i=e*this.width*-0.5,s=t*this.height*-0.5;return{x1:n,x2:i,y1:r,y2:s}},toSVG:function(e){var t=this._createBaseSVGMarkup(),n={x1:this.x1,x2:this.x2,y1:this.y1,y2:this.y2};if(!this.group||this.group.type!=="path-group")n=this.calcLinePoints();return t.push("<line ",'x1="',n.x1,'" y1="',n.y1,'" x2="',n.x2,'" y2="',n.y2,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform
  (),this.getSvgTransformMatrix(),'"/>\n'),e?e(t.join("")):t.join("")},complexity:function(){return 1}}),t.Line.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),t.Line.fromElement=function(e,r){var i=t.parseAttributes(e,t.Line.ATTRIBUTE_NAMES),s=[i.x1||0,i.y1||0,i.x2||0,i.y2||0];return new t.Line(s,n(i,r))},t.Line.fromObject=function(e){var n=[e.x1,e.y1,e.x2,e.y2];return new t.Line(n,e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";function i(e){return"radius"in e&&e.radius>=0}var t=e.fabric||(e.fabric={}),n=Math.PI,r=t.util.object.extend;if(t.Circle){t.warn("fabric.Circle is already defined.");return}t.Circle=t.util.createClass(t.Object,{type:"circle",radius:0,startAngle:0,endAngle:n*2,initialize:function(e){e=e||{},this.callSuper("initialize",e),this.set("radius",e.radius||0),this.startAngle=e.startAngle||this.startAngle,this.endAngle=e.endAngle||this.endAngle},_set:function(e,t){return this.callSuper("_set",e,t),e==="radius"&&this.setRadius(t),this},toObject:function(e){return r(this.callSuper("toObject",e),{radius:this.get("radius"),startAngle:this.startAngle,endAngle:this.endAngle})},toSVG:function(e){var t=this._createBaseSVGMarkup(),r=0,i=0,s=(this.endAngle-this.startAngle)%(2*n);if(s===0)this.group&&this.group.type==="path-group"&&(r=this.left+this.radius,i=this.top+this.radius),t.push("<circle ",'cx="'+r+'" cy="'+i+'" ','r="',this.radius,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n');else{var o=Math.cos(this.startAngle)*this.radius,u=Math.sin(this.startAngle)*this.radius,a=Math.cos(this.endAngle)*this.radius,f=Math.sin(this.endAngle)*this.radius,l=s>n?"1":"0";t.push('<path d="M '+o+" "+u," A "+this.radius+" "+this.radius," 0 ",+l+" 1"," "+a+" "+f,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n')}return e?e(t.join("")):t.join("")},_render:function(e,t){e.beginPath(),e.arc(t?this.left+this.radius:0,t?this.top+this.radius:0,this.radius,this.startAngle,this.endAngle,!1),this._renderFill(e),this._renderStroke(e)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(e){this.radius=e,this.set("width",e*2).set("height",e*2)},complexity:function(){return 1}}),t.Circle.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),t.Circle.fromElement=function(e,n){n||(n={});var s=t.parseAttributes(e,t.Circle.ATTRIBUTE_NAMES);if(!i(s))throw new Error("value of `r` attribute is required and can not be negative");s.left=s.left||0,s.top=s.top||0;var o=new t.Circle(r(s,n));return o.left-=o.radius,o.top-=o.radius,o},t.Circle.fromObject=function(e){return new t.Circle(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});if(t.Triangle){t.warn("fabric.Triangle is already defined");return}t.Triangle=t.util.createClass(t.Object,{type:"triangle",initialize:function(e){e=e||{},this.callSuper("initialize",e),this.set("width",e.width||100).set("height",e.height||100)},_render:function(e){var t=this.width/2,n=this.height/2;e.beginPath(),e.moveTo(-t,n),e.lineTo(0,-n),e.lineTo(t,n),e.closePath(),this._renderFill(e),this._renderStroke(e)},_renderDashedStroke:function(e){var n=this.width/2,r=this.height/2;e.beginPath(),t.util.drawDashedLine(e,-n,r,0,-r,this.strokeDashArray),t.util.drawDashedLine(e,0,-r,n,r,this.strokeDashArray),t.util.drawDashedLine(e,n,r,-n,r,this.strokeDashArray),e.closePath()},toSVG:function(e){var t=this._createBaseSVGMarkup(),n=this.width/2,r=this.height/2,i=[-n+" "+r,"0 "+ -r,n+" "+r].join(",");return t.push("<polygon ",'points="',i,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(t.join("")):t.join("")},complexity:function(){return 1}}),t.Triangle.fromObject=function(e){return new t.Triangle(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=Math.PI*2,r=t.util.object.extend;if(t.Ellipse){t.warn("fabric.Ellipse is already defined.");return}t.Ellipse=t.util.createClass(t.Object,{type:"ellipse",rx:0,ry:0,initialize:function(e){e=e||{},this.callSuper("initialize",e),this.set("rx",e.rx||0),this.set("ry",e.ry||0)},_set:function(e,t){this.callSuper("_set",e,t);switch(e){case"rx":this.rx=t,this.set("width",t*2);break;case"ry":this.ry=t,this.set("height",t*2)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(e){return r(this.callSuper("toObject",e),{rx:this.get("rx"),ry:this.get("ry")})},toSVG:function(e){var t=this._createBaseSVGMarkup(),n=0,r=0;return this.group&&this.group.type==="path-group"&&(n=this.left+this.rx,r=this.top+this.ry),t.push("<ellipse ",'cx="',n,'" cy="',r,'" ','rx="',this.rx,'" ry="',this.ry,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),e?e(t.join("")):t.join("")},_render:function(e,t){e.beginPath(),e.save(),e.transform(1,0,0,this.ry/this.rx,0,0),e.arc(t?this.left+this.rx:0,t?(this.top+this.ry)*this.rx/this.ry:0,this.rx,0,n,!1),e.restore(),this._renderFill(e),this._renderStroke(e)},complexity:function(){return 1}}),t.Ellipse.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),t.Ellipse.fromElement=function(e,n){n||(n={});var i=t.parseAttributes(e,t.Ellipse.ATTRIBUTE_NAMES);i.left=i.left||0,i.top=i.top||0;var s=new t.Ellipse(r(i,n));return s.top-=s.ry,s.left-=s.rx,s},t.Ellipse.fromObject=function(e){return new t.Ellipse(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;if(t.Rect){console.warn("fabric.Rect is already defined");return}var r=t.Object.prototype.stateProperties.concat();r.push("rx","ry","x","y"),t.Rect=t.util.createClass(t.Object,{stateProperties:r,type:"rect",rx:0,ry:0,strokeDashArray:null,initialize:function(e){e=e||{},this.callSuper("initialize",e),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(e,t){if(this.width===1&&this.height===1){e.fillRect(0,0,1,1);return}var n=this.rx?Math.min(this.rx,this.width/2):0,r=this.ry?Math.min(this.ry,this.height/2):0,i=this.width,s=this.height,o=t?this.left:-this.width/2,u=t?this.top:-this.height/2,a=n!==0||r!==0,f=.4477152502;e.beginPath(),e.moveTo(o+n,u),e.lineTo(o+i-n,u),a&&e.bezierCurveTo(o+i-f*n,u,o+i,u+f*r,o+i,u+r),e.lineTo(o+i,u+s-r),a&&e.bezierCurveTo(o+i,u+s-f*r,o+i-f*n,u+s,o+i-n,u+s),e.lineTo(o+n,u+s),a&&e.bezierCurveTo(o+f*n,u+s,o,u+s-f*r,o,u+s-r),e.lineTo(o,u+r),a&&e.bezierCurveTo(o,u+f*r,o+f*n,u,o+n,u),e.closePath(),this._renderFill(e),this._renderStroke(e)},_renderDashedStroke:function(e){var n=-this.width/2,r=-this.height/2,i=this.width,s=this.height;e.beginPath(),t.util.drawDashedLine(e,n,r,n+i,r,this.strokeDashArray),t.util.drawDashedLine(e,n+i,r,n+i,r+s,this.strokeDashArray),t.util.drawDashedLine(e,n+i,r+s,n,r+s,this.strokeDashArray),t.util.drawDashedLine(e,n,r+s,n,r,this.strokeDashArray),e.closePath()},toObject:function(e){var t=n(this.callSuper("toObject",e),{rx:this.get("rx")||0,ry:this.get("ry")||0});return this.includeDefaultValues||this._removeDefaultValues(t),t},toSVG:function(e){var t=this._createBaseSVGMarkup(),n=this.left,r=this.top;if(!this.group||this.group.type!=="path-group")n=-this.width/2,r=-this.height/2;return t.push("<rect ",'x="',n,'" y="',r,'" rx="',this.get("rx"),'" ry="',this.get("ry"),'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),e?e(t.join("")):t.join("")},complexity:function(){return 1}}),t.Rect.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),t.Rect.fromElement=function(e,r){if(!e)return null;r=r||{};var i=t.parseAttributes(e,t.Rect.ATTRIBUTE_NAMES);i.left=i.left||0,i.top=i.top||0;var s=new t.Rect(n(r?t.util.object.clone(r):{},i));return s.visible=s.width>0&&s.height>0,s},t.Rect.fromObject=function(e){return new t.Rect(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});if(t.Polyline){t.warn("fabric.Polyline is already defined");return}t.Polyline=t.util.createClass(t.Object,{type:"polyline",points:null,minX:0,minY:0,initialize:function(e,n){return t.Polygon.prototype.initialize.call(this,e,n)},_calcDimensions:function(){return t.Polygon.prototype._calcDimensions.call(this)},_applyPointOffset:function(){return t.Polygon.prototype._applyPointOffset.call(this)},toObject:function(e){return t.Polygon.prototype.toObject.call(this,e)},toSVG:function(e){return t.Polygon.prototype.toSVG.call(this,e)},_render:function(e){if(!t.Polygon.prototype.commonRender.call(this,e))return;this._renderFill(e),this._renderStroke(e)},_renderDashedStroke:function(e){var n,r;e.beginPath();for(var i=0,s=this.points.length;i<s;i++)n=this.points[i],r=this.points[i+1]||n,t.util.drawDashedLine(e,n.x,n.y,r.x,r.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),t.Polyline.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(),t.Polyline.fromElement=function(e,n){if(!e)return null;n||(n={});var r=t.parsePointsAttribute(e.getAttribute("points")),i=t.parseAttributes(e,t.Polyline.ATTRIBUTE_NAMES);return new t.Polyline(r,t.util.object.extend(i,n))},t.Polyline.fromObject=function(e){var n=e.points;return new t.Polyline(n,e,!0)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.array.min,i=t.util.array.max,s=t.util.toFixed;if(t.Polygon){t.warn("fabric.Polygon is already defined");return}t.Polygon=t.util.createClass(t.Object,{type:"polygon",points:null,minX:0,minY:0,initialize:function(e,t){t=t||{},this.points=e||[],this.callSuper("initialize",t),this._calcDimensions(),"top"in t||(this.top=this.minY),"left"in t||(this.left=this.minX)},_calcDimensions:function(){var e=this.points,t=r(e,"x"),n=r(e,"y"),s=i(e,"x"),o=i(e,"y");this.width=s-t||0,this.height=o-n||0,this.minX=t||0,this.minY=n||0},_applyPointOffset:function(){this.points.forEach(function(e){e.x-=this.minX+this.width/2,e.y-=this.minY+this.height/2},this)},toObject:function(e){return n(this.callSuper("toObject",e),{points:this.points.concat()})},toSVG:function(e){var t=[],n=this._createBaseSVGMarkup();for(var r=0,i=this.points.length;r<i;r++)t.push(s(this.points[r].x,2),",",s(this.points[r].y,2)," ");return n.push("<",this.type," ",'points="',t.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),e?e(n.join("")):n.join("")},_render:function(e){if(!this.commonRender(e))return;this._renderFill(e);if(this.stroke||this.strokeDashArray)e.closePath(),this._renderStroke(e)},commonRender:function(e){var t,n=this.points.length;if(!n||isNaN(this.points[n-1].y))return!1;e.beginPath(),this._applyPointOffset&&((!this.group||this.group.type!=="path-group")&&this._applyPointOffset(),this._applyPointOffset=null),e.moveTo(this.points[0].x,this.points[0].y);for(var r=0;r<n;r++)t=this.points[r],e.lineTo(t.x,t.y);return!0},_renderDashedStroke:function(e){t.Polyline.prototype._renderDashedStroke.call(this,e),e.closePath()},complexity:function(){return this.points.length}}),t.Polygon.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(),t.Polygon.fromElement=function(e,r){if(!e)return null;r||(r={});var i=t.parsePointsAttribute(e.getAttribute("points")),s=t.parseAttributes(e,t.Polygon.ATTRIBUTE_NAMES);return new t.Polygon(i,n(s,r))},t.Polygon.fromObject=function(e){return new t.Polygon(e.points,e,!0)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.array.min,r=t.util.array.max,i=t.util.object.extend,s=Object.prototype.toString,o=t.util.drawArc,u={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},a={m:"l",M:"L"};if(t.Path){t.warn("fabric.Path is already defined");return}t.Path=t.util.createClass(t.Object,{type:"path",path:null,minX:0,minY:0,initialize:function(e,t){t=t||{},this.setOptions(t);if(!e)throw new Error("`path` argument is required");var n=s.call(e)==="[object Array]";this.path=n?e:e.match&&e.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi);if(!this.path)return;n||(this.path=this._parsePath()),this._setPositionDimensions(),t.sourcePath&&this.setSourcePath(t.sourcePath)},_setPositionDimensions:function(){var e=this._parseDimensions();this.minX=e.left,this.minY=e.top,this.width=e.width,this.height=e.height,e.left+=this.originX==="center"?this.width/2:this.originX==="right"?this.width:0,e.top+=this.originY==="center"?this.height/2:this.originY==="bottom"?this.height:0,this.top=this.top||e.top,this.left=this.left||e.left,this.pathOffset=this.pathOffset||{x:this.minX+this.width/2,y:this.minY+this.height/2}},_render:function(e){var t,n=null,r=0,i=0,s=0,u=0,a=0,f=0,l,c,h=-this.pathOffset.x,p=-this.pathOffset.y;this.group&&this.group.type==="path-group"&&(h=0,p=0),e.beginPath();for(var d=0,v=this.path.length;d<v;++d){t=this.path[d];switch(t[0]){case"l":s+=t[1],u+=t[2],e.lineTo(s+h,u+p);break;case"L":s=t[1],u=t[2],e.lineTo(s+h,u+p);break;case"h":s+=t[1],e.lineTo(s+h,u+p);break;case"H":s=t[1],e.lineTo(s+h,u+p);break;case"v":u+=t[1],e.lineTo(s+h,u+p);break;case"V":u=t[1],e.lineTo(s+h,u+p);break;case"m":s+=t[1],u+=t[2],r=s,i=u,e.moveTo(s+h,u+p);break;case"M":s=t[1],u=t[2],r=s,i=u,e.moveTo(s+h,u+p);break;case"c":l=s+t[5],c=u+t[6],a=s+t[3],f=u+t[4],e.bezierCurveTo(s+t[1]+h,u+t[2]+p,a+h,f+p,l+h,c+p),s=l,u=c;break;case"C":s=t[5],u=t[6],a=t[3],f=t[4],e.bezierCurveTo(t[1]+h,t[2]+p,a+h,f+p,s+h,u+p);break;case"s":l=s+t[3],c=u+t[4],n[0].match(/[CcSs]/)===null?(a=s,f=u):(a=2*s-a,f=2*u-f),e.bezierCurveTo(a+h,f+p,s+t[1]+h,u+t[2]+p,l+h,c+p),a=s+t[1],f=u+t[2],s=l,u=c;break;case"S":l=t[3],c=t[4],n[0].match(/[CcSs]/)===null?(a=s,f=u):(a=2*s-a,f=2*u-f),e.bezierCurveTo(a+h,f+p,t[1]+h,t[2]+p,l+h,c+p),s=l,u=c,a=t[1],f=t[2];break;case"q":l=s+t[3],c=u+t[4],a=s+t[1],f=u+t[2],e.quadraticCurveTo(a+h,f+p,l+h,c+p),s=l,u=c;break;case"Q":l=t[3],c=t[4],e.quadraticCurveTo(t[1]+h,t[2]+p,l+h,c+p),s=l,u=c,a=t[1],f=t[2];break;case"t":l=s+t[1],c=u+t[2],n[0].match(/[QqTt]/)===null?(a=s,f=u):(a=2*s-a,f=2*u-f),e.quadraticCurveTo(a+h,f+p,l+h,c+p),s=l,u=c;break;case"T":l=t[1],c=t[2],n[0].match(/[QqTt]/)===null?(a=s,f=u):(a=2*s-a,f=2*u-f),e.quadraticCurveTo(a+h,f+p,l+h,c+p),s=l,u=c;break;case"a":o(e,s+h,u+p,[t[1],t[2],t[3],t[4],t[5],t[6]+s+h,t[7]+u+p]),s+=t[6],u+=t[7];break;case"A":o(e,s+h,u+p,[t[1],t[2],t[3],t[4],t[5],t[6]+h,t[7]+p]),s=t[6],u=t[7];break;case"z":case"Z":s=r,u=i,e.closePath()}n=t}this._renderFill(e),this._renderStroke(e)},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(e){var t=i(this.callSuper("toObject",e),{path:this.path.map(function(e){return e.slice()}),pathOffset:this.pathOffset});return this.sourcePath&&(t.sourcePath=this.sourcePath),this.transformMatrix&&(t.transformMatrix=this.transformMatrix),t},toDatalessObject:function(e){var t=this.toObject(e);return this.sourcePath&&(t.path=this.sourcePath),delete t.sourcePath,t},toSVG:function(e){var t=[],n=this._createBaseSVGMarkup(),r="";for(var i=0,s=this.path.length;i<s;i++)t.push(this.path[i].join(" "));var o=t.join(" ");if(!this.group||this.group.type!=="path-group")r=" translate("+ -this.pathOffset.x+", "+ -this.pathOffset.y+") ";return n.push("<path ",'d="',o,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),r,this.getSvgTransformMatrix(),'" stroke-linecap="round" ',"/>\n"),e?e(n.join("")):n.join("")},complexity:function(){return this.path.length},_parsePath:function(){var e=[],t=[],n,r,i=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/ig,s,o;for(var f=0,l,c=this.path.length;f<c;f++){n=this.path[f],o=n.slice(1).trim(),t.length=0;while(s=i.exec(o))t.push(s[0]);l=[n.charAt(0)];for(var h=0,p=t.length;h<p;h++)r=parseFloat(t[h]),isNaN(r)||l.push(r);var d=l[0],v=u[d.toLowerCase()],m=a[d]||d;if(l.length-1>v)for(var g=1,y=l.length;g<y;g+=v)e.push([d].concat(l.slice(g,g+v))),d=m;else e.push(l)}return e},_parseDimensions:function(){var e=[],i=[],s,o=null,u=0,a=0,f=0,l=0,c=0,h=0,p,d,v;for(var m=0,g=this.path.length;m<g;++m){s=this.path[m];switch(s[0]){case"l":f+=s[1],l+=s[2],v=[];break;case"L":f=s[1],l=s[2],v=[];break;case"h":f+=s[1],v=[];break;case"H":f=s[1],v=[];break;case"v":l+=s[1],v=[];break;case"V":l=s[1],v=[];break;case"m":f+=s[1],l+=s[2],u=f,a=l,v=[];break;case"M":f=s[1],l=s[2],u=f,a=l,v=[];break;case"c":p=f+s[5],d=l+s[6],c=f+s[3],h=l+s[4],v=t.util.getBoundsOfCurve(f,l,f+s[1],l+s[2],c,h,p,d),f=p,l=d;break;case"C":f=s[5],l=s[6],c=s[3],h=s[4],v=t.util.getBoundsOfCurve(f,l,s[1],s[2],c,h,f,l);break;case"s":p=f+s[3],d=l+s[4],o[0].match(/[CcSs]/)===null?(c=f,h=l):(c=2*f-c,h=2*l-h),v=t.util.getBoundsOfCurve(f,l,c,h,f+s[1],l+s[2],p,d),c=f+s[1],h=l+s[2],f=p,l=d;break;case"S":p=s[3],d=s[4],o[0].match(/[CcSs]/)===null?(c=f,h=l):(c=2*f-c,h=2*l-h),v=t.util.getBoundsOfCurve(f,l,c,h,s[1],s[2],p,d),f=p,l=d,c=s[1],h=s[2];break;case"q":p=f+s[3],d=l+s[4],c=f+s[1],h=l+s[2],v=t.util.getBoundsOfCurve(f,l,c,h,c,h,p,d),f=p,l=d;break;case"Q":c=s[1],h=s[2],v=t.util.getBoundsOfCurve(f,l,c,h,c,h,s[3],s[4]),f=s[3],l=s[4];break;case"t":p=f+s[1],d=l+s[2],o[0].match(/[QqTt]/)===null?(c=f,h=l):(c=2*f-c,h=2*l-h),v=t.util.getBoundsOfCurve(f,l,c,h,c,h,p,d),f=p,l=d;break;case"T":p=s[1],d=s[2],o[0].match(/[QqTt]/)===null?(c=f,h=l):(c=2*f-c,h=2*l-h),v=t.util.getBoundsOfCurve(f,l,c,h,c,h,p,d),f=p,l=d;break;case"a":v=t.util.getBoundsOfArc(f,l,s[1],s[2],s[3],s[4],s[5],s[6]+f,s[7]+l),f+=s[6],l+=s[7];break;case"A":v=t.util.getBoundsOfArc(f,l,s[1],s[2],s[3],s[4],s[5],s[6],s[7]),f=s[6],l=s[7];break;case"z":case"Z":f=u,l=a}o=s,v.forEach(function(t){e.push(t.x),i.push(t.y)}),e.push(f),i.push(l)}var y=n(e),b=n(i),w=r(e),E=r(i),S=w-y,x=E-b,T={left:y,top:b,width:S,height:x};return T}}),t.Path.fromObject=function(e,n){typeof e.path=="string"?t.loadSVGFromURL(e.path,function(r){var i=r[0],s=e.path;delete e.path,t.util.object.extend(i,e),i.setSourcePath(s),n(i)}):n(new t.Path(e.path,e))},t.Path.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(["d"]),t.Path.fromElement=function(e,n,r){var s=t.parseAttributes(e,t.Path.ATTRIBUTE_NAMES);n&&n(new t.Path(s.d,i(s,r)))},t.Path.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.array.invoke,i=t.Object.prototype.toObject;if(t.PathGroup){t.warn("fabric.PathGroup is already defined");return}t.PathGroup=t.util.createClass(t.Path,{type:"path-group",fill:"",initialize:function(e,t){t=t||{},this.paths=e||[];for(var n=this.paths.length;n--;)this.paths[n].group=this;t.toBeParsed&&(this.parseDimensionsFromPaths(t),delete t.toBeParsed),this.setOptions(t),this.setCoords(),t.sourcePath&&this.setSourcePath(t.sourcePath)},parseDimensionsFromPaths:function(e){var n,r,i=[],s=[],o,u,a,f=this.transformMatrix;for(var l=this.paths.length;l--;){o=this.paths[l],u=o.height+o.strokeWidth,a=o.width+o.strokeWidth,n=[{x:o.left,y:o.top},{x:o.left+a,y:o.top},{x:o.left,y:o.top+u},{x:o.left+a,y:o.top+u}];for(var c=0;c<n.length;c++)r=n[c],f&&(r=t.util.transformPoint(r,f,!1)),i.push(r.x),s.push(r.y)}e.width=Math.max.apply(null,i),e.height=Math.max.apply(null,s)},render:function(e){if(!this.visible)return;e.save(),this.transformMatrix&&e.transform.apply(e,this.transformMatrix),this.transform(e),this._setShadow(e),this.clipTo&&t.util.clipContext(this,e),e.translate(-this.width/2,-this.height/2);for(var n=0,r=this.paths.length;n<r;++n)this.paths[n].render(e,!0);this.clipTo&&e.restore(),this._removeShadow(e),e.restore()},_set:function(e,t){if(e==="fill"&&t&&this.isSameColor()){var n=this.paths.length;while(n--)this.paths[n]._set(e,t)}return this.callSuper("_set",e,t)},toObject:function(e){var t=n(i.call(this,e),{paths:r(this.getObjects(),"toObject",e)});return this.sourcePath&&(t.sourcePath=this.sourcePath),t},toDatalessObject:function(e){var t=this.toObject(e);return this.sourcePath&&(t.paths=this.sourcePath),t},toSVG:function(e){var t=this.getObjects(),n=this.getPointByOrigin("left","top"),r="translate("+n.x+" "+n.y+")",i=["<g ",'style="',this.getSvgStyles(),'" ','transform="',this.getSvgTransformMatrix(),r,this.getSvgTransform(),'" ',">\n"];for(var s=0,o=t.length;s<o;s++)i.push(t[s].toSVG(e));return i.push("</g>\n"),e?e(i.join("")):i.join("")},toString:function(){return"#<fabric.PathGroup ("+this.complexity()+"): { top: "+this.top+", left: "+this.left+" }>"},isSameColor:function(){var e=(this.getObjects()[0].get("fill")||"").toLowerCase();return this.getObjects().every(function(t){return(t.get("fill")||"").toLowerCase()===e})},complexity:function(){return this.paths.reduce(function(e,t){return e+(t&&t.complexity?t.complexity():0)},0)},getObjects:function(){return this.paths}}),t.PathGroup.fromObject=function(e,n){typeof e.paths=="string"?t.loadSVGFromURL(e.paths,function(r){var i=e.paths;delete e.paths;var s=t.util.groupSVGElements(r,e,i);n(s)}):t.util.enlivenObjects(e.paths,function(r){delete e.paths,n(new t.PathGroup(r,e))})},t.PathGroup.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.array.min,i=t.util.array.max,s=t.util.array.invoke;if(t.Group)return;var o={lockMovementX:!0,lockMovementY:!0,lockRotation:!0,lockScalingX:!0,lockScalingY:!0,lockUniScaling:!0};t.Group=t.util.createClass(t.Object,t.Collection,{type:"group",initialize:function(e,t){t=t||{},this._objects=e||[];for(var n=this._objects.length;n--;)this._objects[n].group=this;this.originalState={},this.callSuper("initialize"),t.originX&&(this.originX=t.originX),t.originY&&(this.originY=t.originY),this._calcBounds(),this._updateObjectsCoords(),this.callSuper("initialize",t),this.setCoords(),this.saveCoords()},_updateObjectsCoords:function(){this.forEachObject(this._updateObjectCoords,this)},_updateObjectCoords:function(e){var t=e.getLeft(),n=e.getTop(),r=this.getCenterPoint();e.set({originalLeft:t,originalTop:n,left:t-r.x,top:n-r.y}),e.setCoords(),e.__origHasControls=e.hasControls,e.hasControls=!1},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(e){return this._restoreObjectsState(),e&&(this._objects.push(e),e.group=this),this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this},_setObjectActive:function(e){e.set("active",!0),e.group=this},removeWithUpdate:function(e){return this._moveFlippedObject(e),this._restoreObjectsState(),this.forEachObject(this._setObjectActive,this),this.remove(e),this._calcBounds(),this._updateObjectsCoords(),this},_onObjectAdded:function(e){e.group=this},_onObjectRemoved:function(e){delete e.group,e.set("active",!1)},delegatedProperties:{fill:!0,opacity:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(e,t){if(e in this.delegatedProperties){var n=this._objects.length;while(n--)this._objects[n].set(e,t)}this.callSuper("_set",e,t)},toObject:function(e){return n(this.callSuper("toObject",e),{objects:s(this._objects,"toObject",e)})},render:function(e){if(!this.visible)return;e.save(),this.clipTo&&t.util.clipContext(this,e),this.transform(e);for(var n=0,r=this._objects.length;n<r;n++)this._renderObject(this._objects[n],e);this.clipTo&&e.restore(),e.restore()},_renderControls:function(e,t){this.callSuper("_renderControls",e,t);for(var n=0,r=this._objects.length;n<r;n++)this._objects[n]._renderControls(e)},_renderObject:function(e,t){var n=e.hasRotatingPoint;if(!e.visible)return;e.hasRotatingPoint=!1,e.render(t),e.hasRotatingPoint=n},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},realizeTransform:function(e){return this._moveFlippedObject(e),this._setObjectPosition(e),e},_moveFlippedObject:function(e){var t=e.get("originX"),n=e.get("originY"),r=e.getCenterPoint();e.set({originX:"center",originY:"center",left:r.x,top:r.y}),this._toggleFlipping(e);var i=e.getPointByOrigin(t,n);return e.set({originX:t,originY:n,left:i.x,top:i.y}),this},_toggleFlipping:function(e){this.flipX&&(e.toggle("flipX"),e.set("left",-e.get("left")),e.setAngle(-e.getAngle())),this.flipY&&(e.toggle("flipY"),e.set("top",-e.get("top")),e.setAngle(-e.getAngle()))},_restoreObjectState:function(e){return this._setObjectPosition(e),e.setCoords(),e.hasControls=e.__origHasControls,delete e.__origHasControls,e.set("active",!1),e.setCoords(),delete e.group,this},_setObjectPosition:function(e){var t=this.getCenterPoint(),n=this._getRotatedLeftTop(e);e.set({angle:e.getAngle()+this.getAngle(),left:t.x+n.left,top:t.y+n.top,scaleX:e.get("scaleX")*this.get("scaleX"),scaleY:e.get("scaleY")*this.get("scaleY")})},_getRotatedLeftTop:function(e){var t=this.getAngle()*(Math.PI/180);return{left:-Math.sin(t)*e.getTop()*this.get("scaleY")+Math.cos(t)*e.getLeft()*this.get("scaleX"),top:Math.cos(t)*e.getTop()*this.get("scaleY")+Math.sin(t)*e.getLeft()*this.get("scaleX")}},destroy:function(){return this._objects.forEach(this._moveFlippedObject,this),this._restoreObjectsState()},saveCoords:function(){return this._originalLeft=this.get("left"),this._originalTop=this.get("top"),this},hasMoved:function(){return this._originalLeft!==this.get("left")||this._originalTop!==this.get("top")},setObjectsCoords:function(){return this.forEachObject(function(e){e.setCoords()}),this},_calcBounds:function(e){var t=[],n=[],r,i,s=["tr","br","bl","tl"];for(var o=0,u=this._objects.length;o<u;++o){r=this._objects[o],r.setCoords();for(var a=0;a<s.length;a++)i=s[a],t.push(r.oCoords[i].x),n.push(r.oCoords[i].y)}this.set(this._getBounds(t,n,e))},_getBounds:function(e,n,s){var o=t.util.invertTransform(this.getViewportTransform()),u=t.util.transformPoint(new t.Point(r(e),r(n)),o),a=t.util.transformPoint(new t.Point(i(e),i(n)),o),f={width:a.x-u.x||0,height:a.y-u.y||0};return s||(f.left=u.x||0,f.top=u.y||0,this.originX==="center"&&(f.left+=f.width/2),this.originX==="right"&&(f.left+=f.width),this.originY==="center"&&(f.top+=f.height/2),this.originY==="bottom"&&(f.top+=f.height)),f},toSVG:function(e){var t=["<g ",'transform="',this.getSvgTransform(),'">\n'];for(var n=0,r=this._objects.length;n<r;n++)t.push(this._objects[n].toSVG(e));return t.push("</g>\n"),e?e(t.join("")):t.join("")},get:function(e){if(e in o){if(this[e])return this[e];for(var t=0,n=this._objects.length;t<n;t++)if(this._objects[t][e])return!0;return!1}return e in this.delegatedProperties?this._objects[0]&&this._objects[0].get(e):this[e]}}),t.Group.fromObject=function(e,n){t.util.enlivenObjects(e.objects,function(r){delete e.objects,n&&n(new t.Group(r,e))})},t.Group.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=fabric.util.object.extend;e.fabric||(e.fabric={});if(e.fabric.Image){fabric.warn("fabric.Image is already defined.");return}fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",crossOrigin:"",alignX:"none",alignY:"none",meetOrSlice:"meet",_lastScaleX:1,_lastScaleY:1,initialize:function(e,t){t||(t={}),this.filters=[],this.resizeFilters=[],this.callSuper("initialize",t),this._initElement(e,t),this._initConfig(t),t.filters&&(this.filters=t.filters,this.applyFilters())},getElement:function(){return this._element},setElement:function(e,t,n){return this._element=e,this._originalElement=e,this._initConfig(n),this.filters.length!==0?this.applyFilters(t):t&&t(),this},setCrossOrigin:function(e){return this.crossOrigin=e,this._element.crossOrigin=e,this},getOriginalSize:function(){var e=this.getElement();return{width:e.width,height:e.height}},_stroke:function(e){e.save(),this._setStrokeStyles(e),e.beginPath(),e.strokeRect(-this.width/2,-this.height/2,this.width,this.height),e.closePath(),e.restore()},_renderDashedStroke:function(e){var t=-this.width/2,n=-this.height/2,r=this.width,i=this.height;e.save(),this._setStrokeStyles(e),e.beginPath(),fabric.util.drawDashedLine(e,t,n,t+r,n,this.strokeDashArray),fabric.util.drawDashedLine(e,t+r,n,t+r,n+i,this.strokeDashArray),fabric.util.drawDashedLine(e,t+r,n+i,t,n+i,this.strokeDashArray),fabric.util.drawDashedLine(e,t,n+i,t,n,this.strokeDashArray),e.closePath(),e.restore()},toObject:function(e){return t(this.callSuper("toObject",e),{src:this._originalElement.src||this._originalElement._src,filters:this.filters.map(function(e){return e&&e.toObject()}),crossOrigin:this.crossOrigin,alignX:this.alignX,alignY:this.alignY,meetOrSlice:this.meetOrSlice})},toSVG:function(e){var t=[],n=-this.width/2,r=-this.height/2,i="none";this.group&&this.group.type==="path-group"&&(n=this.left,r=this.top),this.alignX!=="none"&&this.alignY!=="none"&&(i="x"+this.alignX+"Y"+this.alignY+" "+this.meetOrSlice),t.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n','<image xlink:href="',this.getSvgSrc(),'" x="',n,'" y="',r,'" style="',this.getSvgStyles(),'" width="',this.width,'" height="',this.height,'" preserveAspectRatio="',i,'"',"></image>\n");if(this.stroke||this.strokeDashArray){var s=this.fill;this.fill=null,t.push("<rect ",'x="',n,'" y="',r,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'),this.fill=s}return t.push("</g>\n"),e?e(t.join("")):t.join("")},getSrc:function(){if(this.getElement())return this.getElement().src||this.getElement()._src},setSrc:function(e,t,n){fabric.util.loadImage(e,function(e){return this.setElement(e,t,n)},this,n&&n.crossOrigin)},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},clone:function(e,t){this.constructor.fromObject(this.toObject(t),e)},applyFilters:function(e,t,n,r){t=t||this.filters,n=n||this._originalElement;if(!n)return;var i=n,s=fabric.util.createCanvasElement(),o=fabric.util.createImage(),u=this;return s.width=i.width,s.height=i.height,s.getContext("2d").drawImage(i,0,0,i.width,i.height),t.length===0?(this._element=n,e&&e(),s):(t.forEach(function(e){e&&e.applyTo(s,e.scaleX||u.scaleX,e.scaleY||u.scaleY),!r&&e&&e.type==="Resize"&&(u.width*=e.scaleX,u.height*=e.scaleY)}),o.width=s.width,o.height=s.height,fabric.isLikelyNode?(o.src=s.toBuffer(undefined,fabric.Image.pngCompression),u._element=o,!r&&(u._filteredEl=o),e&&e()):(o.onload=function(){u._element=o,!r&&(u._filteredEl=o),e&&e(),o.onload=s=i=null},o.src=s.toDataURL("image/png")),s)},_render:function(e,t){var n,r,i=this._findMargins(),s;n=t?this.left:-this.width/2,r=t?this.top:-this.height/2,this.meetOrSlice==="slice"&&(e.beginPath(),e.rect(n,r,this.width,this.height),e.clip()),this.isMoving===!1&&this.resizeFilters.length&&this._needsResize()?(this._lastScaleX=this.scaleX,this._lastScaleY=this.scaleY,s=this.applyFilters(null,this.resizeFilters,this._filteredEl||this._originalElement,!0)):s=this._element,s&&e.drawImage(s,n+i.marginX,r+i.marginY,i.width,i.height),this._renderStroke(e)},_needsResize:function(){return this.scaleX!==this._lastScaleX||this.scaleY!==this._lastScaleY},_findMargins:function(){var e=this.width,t=this.height,n,r,i=0,s=0;if(this.alignX!=="none"||this.alignY!=="none")n=[this.width/this._element.width,this.height/this._element.height],r=this.meetOrSlice==="meet"?Math.min.apply(null,n):Math.max.apply(null,n),e=this._element.width*r,t=this._element.height*r,this.alignX==="Mid"&&(i=(this.width-e)/2),this.alignX==="Max"&&(i=this.width-e),this.alignY==="Mid"&&(s=(this.height-t)/2),this.alignY==="Max"&&(s=this.height-t);return{width:e,height:t,marginX:i,marginY:s}},_resetWidthHeight:function(){var e=this.getElement();this.set("width",e.width),this.set("height",e.height)},_initElement:function(e){this.setElement(fabric.util.getById(e)),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(e){e||(e={}),this.setOptions(e),this._setWidthHeight(e),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(e,t){e.filters&&e.filters.length?fabric.util.enlivenObjects(e.filters,function(e){t&&t(e)},"fabric.Image.filters"):t&&t()},_setWidthHeight:function(e){this.width="width"in e?e.width:this.getElement()?this.getElement().width||0:0,this.height="height"in e?e.height:this.getElement()?this.getElement().height||0:0},complexity:function(){return 1}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(e,t){fabric.util.loadImage(e.src,function(n){fabric.Image.prototype._initFilters.call(e,e,function(r){e.filters=r||[];var i=new fabric.Image(n,e);t&&t(i)})},null,e.crossOrigin)},fabric.Image.fromURL=function(e,t,n){fabric.util.loadImage(e,function(e){t&&t(new fabric.Image(e,n))},null,n&&n.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href"
  .split(" ")),fabric.Image.fromElement=function(e,n,r){var i=fabric.parseAttributes(e,fabric.Image.ATTRIBUTE_NAMES),s="xMidYMid",o="meet",u,a,f;i.preserveAspectRatio&&(f=i.preserveAspectRatio.split(" ")),f&&f.length&&(o=f.pop(),o!=="meet"&&o!=="slice"?(s=o,o="meet"):f.length&&(s=f.pop())),u=s!=="none"?s.slice(1,4):"none",a=s!=="none"?s.slice(5,8):"none",i.alignX=u,i.alignY=a,i.meetOrSlice=o,fabric.Image.fromURL(i["xlink:href"],n,t(r?fabric.util.object.clone(r):{},i))},fabric.Image.async=!0,fabric.Image.pngCompression=1}(typeof exports!="undefined"?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var e=this.getAngle()%360;return e>0?Math.round((e-1)/90)*90:Math.round(e/90)*90},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(e){e=e||{};var t=function(){},n=e.onComplete||t,r=e.onChange||t,i=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(e){i.setAngle(e),r()},onComplete:function(){i.setCoords(),n()},onStart:function(){i.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(e){return e.straighten(),this.renderAll(),this},fxStraightenObject:function(e){return e.fxStraighten({onChange:this.renderAll.bind(this)}),this}}),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",initialize:function(e){e&&this.setOptions(e)},setOptions:function(e){for(var t in e)this[t]=e[t]},toObject:function(){return{type:this.type}},toJSON:function(){return this.toObject()}}),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Brightness=t.util.createClass(t.Image.filters.BaseFilter,{type:"Brightness",initialize:function(e){e=e||{},this.brightness=e.brightness||0},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.brightness;for(var s=0,o=r.length;s<o;s+=4)r[s]+=i,r[s+1]+=i,r[s+2]+=i;t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{brightness:this.brightness})}}),t.Image.filters.Brightness.fromObject=function(e){return new t.Image.filters.Brightness(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Convolute=t.util.createClass(t.Image.filters.BaseFilter,{type:"Convolute",initialize:function(e){e=e||{},this.opaque=e.opaque,this.matrix=e.matrix||[0,0,0,0,1,0,0,0,0];var n=t.util.createCanvasElement();this.tmpCtx=n.getContext("2d")},_createImageData:function(e,t){return this.tmpCtx.createImageData(e,t)},applyTo:function(e){var t=this.matrix,n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=Math.round(Math.sqrt(t.length)),s=Math.floor(i/2),o=r.data,u=r.width,a=r.height,f=u,l=a,c=this._createImageData(f,l),h=c.data,p=this.opaque?1:0;for(var d=0;d<l;d++)for(var v=0;v<f;v++){var m=d,g=v,y=(d*f+v)*4,b=0,w=0,E=0,S=0;for(var x=0;x<i;x++)for(var T=0;T<i;T++){var N=m+x-s,C=g+T-s;if(N<0||N>a||C<0||C>u)continue;var k=(N*u+C)*4,L=t[x*i+T];b+=o[k]*L,w+=o[k+1]*L,E+=o[k+2]*L,S+=o[k+3]*L}h[y]=b,h[y+1]=w,h[y+2]=E,h[y+3]=S+p*(255-S)}n.putImageData(c,0,0)},toObject:function(){return n(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),t.Image.filters.Convolute.fromObject=function(e){return new t.Image.filters.Convolute(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.GradientTransparency=t.util.createClass(t.Image.filters.BaseFilter,{type:"GradientTransparency",initialize:function(e){e=e||{},this.threshold=e.threshold||100},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.threshold,s=r.length;for(var o=0,u=r.length;o<u;o+=4)r[o+3]=i+255*(s-o)/s;t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{threshold:this.threshold})}}),t.Image.filters.GradientTransparency.fromObject=function(e){return new t.Image.filters.GradientTransparency(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Grayscale=t.util.createClass(t.Image.filters.BaseFilter,{type:"Grayscale",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=n.width*n.height*4,s=0,o;while(s<i)o=(r[s]+r[s+1]+r[s+2])/3,r[s]=o,r[s+1]=o,r[s+2]=o,s+=4;t.putImageData(n,0,0)}}),t.Image.filters.Grayscale.fromObject=function(){return new t.Image.filters.Grayscale}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Invert=t.util.createClass(t.Image.filters.BaseFilter,{type:"Invert",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=r.length,s;for(s=0;s<i;s+=4)r[s]=255-r[s],r[s+1]=255-r[s+1],r[s+2]=255-r[s+2];t.putImageData(n,0,0)}}),t.Image.filters.Invert.fromObject=function(){return new t.Image.filters.Invert}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Mask=t.util.createClass(t.Image.filters.BaseFilter,{type:"Mask",initialize:function(e){e=e||{},this.mask=e.mask,this.channel=[0,1,2,3].indexOf(e.channel)>-1?e.channel:0},applyTo:function(e){if(!this.mask)return;var n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=r.data,s=this.mask.getElement(),o=t.util.createCanvasElement(),u=this.channel,a,f=r.width*r.height*4;o.width=s.width,o.height=s.height,o.getContext("2d").drawImage(s,0,0,s.width,s.height);var l=o.getContext("2d").getImageData(0,0,s.width,s.height),c=l.data;for(a=0;a<f;a+=4)i[a+3]=c[a+u];n.putImageData(r,0,0)},toObject:function(){return n(this.callSuper("toObject"),{mask:this.mask.toObject(),channel:this.channel})}}),t.Image.filters.Mask.fromObject=function(e,n){t.util.loadImage(e.mask.src,function(r){e.mask=new t.Image(r,e.mask),n&&n(new t.Image.filters.Mask(e))})},t.Image.filters.Mask.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Noise=t.util.createClass(t.Image.filters.BaseFilter,{type:"Noise",initialize:function(e){e=e||{},this.noise=e.noise||0},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.noise,s;for(var o=0,u=r.length;o<u;o+=4)s=(.5-Math.random())*i,r[o]+=s,r[o+1]+=s,r[o+2]+=s;t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{noise:this.noise})}}),t.Image.filters.Noise.fromObject=function(e){return new t.Image.filters.Noise(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Pixelate=t.util.createClass(t.Image.filters.BaseFilter,{type:"Pixelate",initialize:function(e){e=e||{},this.blocksize=e.blocksize||4},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=n.height,s=n.width,o,u,a,f,l,c,h;for(u=0;u<i;u+=this.blocksize)for(a=0;a<s;a+=this.blocksize){o=u*4*s+a*4,f=r[o],l=r[o+1],c=r[o+2],h=r[o+3];for(var p=u,d=u+this.blocksize;p<d;p++)for(var v=a,m=a+this.blocksize;v<m;v++)o=p*4*s+v*4,r[o]=f,r[o+1]=l,r[o+2]=c,r[o+3]=h}t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{blocksize:this.blocksize})}}),t.Image.filters.Pixelate.fromObject=function(e){return new t.Image.filters.Pixelate(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.RemoveWhite=t.util.createClass(t.Image.filters.BaseFilter,{type:"RemoveWhite",initialize:function(e){e=e||{},this.threshold=e.threshold||30,this.distance=e.distance||20},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.threshold,s=this.distance,o=255-i,u=Math.abs,a,f,l;for(var c=0,h=r.length;c<h;c+=4)a=r[c],f=r[c+1],l=r[c+2],a>o&&f>o&&l>o&&u(a-f)<s&&u(a-l)<s&&u(f-l)<s&&(r[c+3]=1);t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{threshold:this.threshold,distance:this.distance})}}),t.Image.filters.RemoveWhite.fromObject=function(e){return new t.Image.filters.RemoveWhite(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Sepia=t.util.createClass(t.Image.filters.BaseFilter,{type:"Sepia",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=r.length,s,o;for(s=0;s<i;s+=4)o=.3*r[s]+.59*r[s+1]+.11*r[s+2],r[s]=o+100,r[s+1]=o+50,r[s+2]=o+255;t.putImageData(n,0,0)}}),t.Image.filters.Sepia.fromObject=function(){return new t.Image.filters.Sepia}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Sepia2=t.util.createClass(t.Image.filters.BaseFilter,{type:"Sepia2",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=r.length,s,o,u,a;for(s=0;s<i;s+=4)o=r[s],u=r[s+1],a=r[s+2],r[s]=(o*.393+u*.769+a*.189)/1.351,r[s+1]=(o*.349+u*.686+a*.168)/1.203,r[s+2]=(o*.272+u*.534+a*.131)/2.14;t.putImageData(n,0,0)}}),t.Image.filters.Sepia2.fromObject=function(){return new t.Image.filters.Sepia2}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Tint=t.util.createClass(t.Image.filters.BaseFilter,{type:"Tint",initialize:function(e){e=e||{},this.color=e.color||"#000000",this.opacity=typeof e.opacity!="undefined"?e.opacity:(new t.Color(this.color)).getAlpha()},applyTo:function(e){var n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=r.data,s=i.length,o,u,a,f,l,c,h,p,d;d=(new t.Color(this.color)).getSource(),u=d[0]*this.opacity,a=d[1]*this.opacity,f=d[2]*this.opacity,p=1-this.opacity;for(o=0;o<s;o+=4)l=i[o],c=i[o+1],h=i[o+2],i[o]=u+l*p,i[o+1]=a+c*p,i[o+2]=f+h*p;n.putImageData(r,0,0)},toObject:function(){return n(this.callSuper("toObject"),{color:this.color,opacity:this.opacity})}}),t.Image.filters.Tint.fromObject=function(e){return new t.Image.filters.Tint(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Multiply=t.util.createClass(t.Image.filters.BaseFilter,{type:"Multiply",initialize:function(e){e=e||{},this.color=e.color||"#000000"},applyTo:function(e){var n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=r.data,s=i.length,o,u;u=(new t.Color(this.color)).getSource();for(o=0;o<s;o+=4)i[o]*=u[0]/255,i[o+1]*=u[1]/255,i[o+2]*=u[2]/255;n.putImageData(r,0,0)},toObject:function(){return n(this.callSuper("toObject"),{color:this.color})}}),t.Image.filters.Multiply.fromObject=function(e){return new t.Image.filters.Multiply(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric;t.Image.filters.Blend=t.util.createClass({type:"Blend",initialize:function(e){e=e||{},this.color=e.color||"#000",this.image=e.image||!1,this.mode=e.mode||"multiply",this.alpha=e.alpha||1},applyTo:function(e){var n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=r.data,s,o,u,a,f,l,c,h,p,d,v=!1;if(this.image){v=!0;var m=t.util.createCanvasElement();m.width=this.image.width,m.height=this.image.height;var g=new t.StaticCanvas(m);g.add(this.image);var y=g.getContext("2d");d=y.getImageData(0,0,g.width,g.height).data}else d=(new t.Color(this.color)).getSource(),s=d[0]*this.alpha,o=d[1]*this.alpha,u=d[2]*this.alpha;for(var b=0,w=i.length;b<w;b+=4){a=i[b],f=i[b+1],l=i[b+2],v&&(s=d[b]*this.alpha,o=d[b+1]*this.alpha,u=d[b+2]*this.alpha);switch(this.mode){case"multiply":i[b]=a*s/255,i[b+1]=f*o/255,i[b+2]=l*u/255;break;case"screen":i[b]=1-(1-a)*(1-s),i[b+1]=1-(1-f)*(1-o),i[b+2]=1-(1-l)*(1-u);break;case"add":i[b]=Math.min(255,a+s),i[b+1]=Math.min(255,f+o),i[b+2]=Math.min(255,l+u);break;case"diff":case"difference":i[b]=Math.abs(a-s),i[b+1]=Math.abs(f-o),i[b+2]=Math.abs(l-u);break;case"subtract":c=a-s,h=f-o,p=l-u,i[b]=c<0?0:c,i[b+1]=h<0?0:h,i[b+2]=p<0?0:p;break;case"darken":i[b]=Math.min(a,s),i[b+1]=Math.min(f,o),i[b+2]=Math.min(l,u);break;case"lighten":i[b]=Math.max(a,s),i[b+1]=Math.max(f,o),i[b+2]=Math.max(l,u)}}n.putImageData(r,0,0)},toObject:function(){return{color:this.color,image:this.image,mode:this.mode,alpha:this.alpha}}}),t.Image.filters.Blend.fromObject=function(e){return new t.Image.filters.Blend(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=Math.pow,r=Math.floor,i=Math.sqrt,s=Math.abs,o=Math.max,u=Math.round,a=Math.sin,f=Math.ceil;t.Image.filters.Resize=t.util.createClass(t.Image.filters.BaseFilter,{type:"Resize",resizeType:"hermite",scaleX:0,scaleY:0,lanczosLobes:3,applyTo:function(e,t,n){this.rcpScaleX=1/t,this.rcpScaleY=1/n;var r=e.width,i=e.height,s=u(r*t),o=u(i*n),a;this.resizeType==="sliceHack"&&(a=this.sliceByTwo(e,r,i,s,o)),this.resizeType==="hermite"&&(a=this.hermiteFastResize(e,r,i,s,o)),this.resizeType==="bilinear"&&(a=this.bilinearFiltering(e,r,i,s,o)),this.resizeType==="lanczos"&&(a=this.lanczosResize(e,r,i,s,o)),e.width=s,e.height=o,e.getContext("2d").putImageData(a,0,0)},sliceByTwo:function(e,n,i,s,u){var a=e.getContext("2d"),f,l=.5,c=.5,h=1,p=1,d=!1,v=!1,m=n,g=i,y=t.util.createCanvasElement(),b=y.getContext("2d");s=r(s),u=r(u),y.width=o(s,n),y.height=o(u,i),s>n&&(l=2,h=-1),u>i&&(c=2,p=-1),f=a.getImageData(0,0,n,i),e.width=o(s,n),e.height=o(u,i),a.putImageData(f,0,0);while(!d||!v)n=m,i=g,s*h<r(m*l*h)?m=r(m*l):(m=s,d=!0),u*p<r(g*c*p)?g=r(g*c):(g=u,v=!0),f=a.getImageData(0,0,n,i),b.putImageData(f,0,0),a.clearRect(0,0,m,g),a.drawImage(y,0,0,n,i,0,0,m,g);return a.getImageData(0,0,s,u)},lanczosResize:function(e,t,o,u,l){function c(e){return function(t){if(t>e)return 0;t*=Math.PI;if(s(t)<1e-16)return 1;var n=t/e;return a(t)*a(n)/t/n}}function h(e){var a,f,c,p,d,L,A,O,M,_,D;C.x=(e+.5)*b,k.x=r(C.x);for(a=0;a<l;a++){C.y=(a+.5)*w,k.y=r(C.y),d=0,L=0,A=0,O=0,M=0;for(f=k.x-x;f<=k.x+x;f++){if(f<0||f>=t)continue;_=r(1e3*s(f-C.x)),N[_]||(N[_]={});for(var P=k.y-T;P<=k.y+T;P++){if(P<0||P>=o)continue;D=r(1e3*s(P-C.y)),N[_][D]||(N[_][D]=y(i(n(_*E,2)+n(D*S,2))/1e3)),c=N[_][D],c>0&&(p=(P*t+f)*4,d+=c,L+=c*m[p],A+=c*m[p+1],O+=c*m[p+2],M+=c*m[p+3])}}p=(a*u+e)*4,g[p]=L/d,g[p+1]=A/d,g[p+2]=O/d,g[p+3]=M/d}return++e<u?h(e):v}var p=e.getContext("2d"),d=p.getImageData(0,0,t,o),v=p.getImageData(0,0,u,l),m=d.data,g=v.data,y=c(this.lanczosLobes),b=this.rcpScaleX,w=this.rcpScaleY,E=2/this.rcpScaleX,S=2/this.rcpScaleY,x=f(b*this.lanczosLobes/2),T=f(w*this.lanczosLobes/2),N={},C={},k={};return h(0)},bilinearFiltering:function(e,t,n,i,s){var o,u,a,f,l,c,h,p,d,v,m,g,y=0,b,w=this.rcpScaleX,E=this.rcpScaleY,S=e.getContext("2d"),x=4*(t-1),T=S.getImageData(0,0,t,n),N=T.data,C=S.getImageData(0,0,i,s),k=C.data;for(h=0;h<s;h++)for(p=0;p<i;p++){l=r(w*p),c=r(E*h),d=w*p-l,v=E*h-c,b=4*(c*t+l);for(m=0;m<4;m++)o=N[b+m],u=N[b+4+m],a=N[b+x+m],f=N[b+x+4+m],g=o*(1-d)*(1-v)+u*d*(1-v)+a*v*(1-d)+f*d*v,k[y++]=g}return C},hermiteFastResize:function(e,t,n,o,u){var a=this.rcpScaleX,l=this.rcpScaleY,c=f(a/2),h=f(l/2),p=e.getContext("2d"),d=p.getImageData(0,0,t,n),v=d.data,m=p.getImageData(0,0,o,u),g=m.data;for(var y=0;y<u;y++)for(var b=0;b<o;b++){var w=(b+y*o)*4,E=0,S=0,x=0,T=0,N=0,C=0,k=0,L=(y+.5)*l;for(var A=r(y*l);A<(y+1)*l;A++){var O=s(L-(A+.5))/h,M=(b+.5)*a,_=O*O;for(var D=r(b*a);D<(b+1)*a;D++){var P=s(M-(D+.5))/c,H=i(_+P*P);if(H>1&&H<-1)continue;E=2*H*H*H-3*H*H+1,E>0&&(P=4*(D+A*t),k+=E*v[P+3],x+=E,v[P+3]<255&&(E=E*v[P+3]/250),T+=E*v[P],N+=E*v[P+1],C+=E*v[P+2],S+=E)}}g[w]=T/S,g[w+1]=N/S,g[w+2]=C/S,g[w+3]=k/x}return m},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaley:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),t.Image.filters.Resize.fromObject=function(){return new t.Image.filters.Resize}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.object.clone,i=t.util.toFixed,s=t.StaticCanvas.supports("setLineDash");if(t.Text){t.warn("fabric.Text is already defined");return}var o=t.Object.prototype.stateProperties.concat();o.push("fontFamily","fontWeight","fontSize","text","textDecoration","textAlign","fontStyle","lineHeight","textBackgroundColor"),t.Text=t.util.createClass(t.Object,{_dimensionAffectingProps:{fontSize:!0,fontWeight:!0,fontFamily:!0,fontStyle:!0,lineHeight:!0,stroke:!0,strokeWidth:!0,text:!0,textAlign:!0},_reNewline:/\r?\n/,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",textDecoration:"",textAlign:"left",fontStyle:"",lineHeight:1.16,textBackgroundColor:"",stateProperties:o,stroke:null,shadow:null,_fontSizeFraction:.25,_fontSizeMult:1.13,initialize:function(e,t){t=t||{},this.text=e,this.__skipDimension=!0,this.setOptions(t),this.__skipDimension=!1,this._initDimensions()},_initDimensions:function(e){if(this.__skipDimension)return;e||(e=t.util.createCanvasElement().getContext("2d"),this._setTextStyles(e)),this._textLines=this.text.split(this._reNewline),this._clearCache();var n=this.textAlign;this.textAlign="left",this.width=this._getTextWidth(e),this.textAlign=n,this.height=this._getTextHeight(e)},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_render:function(e){this.clipTo&&t.util.clipContext(this,e),this._renderTextBackground(e),this._renderText(e),this._renderTextDecoration(e),this.clipTo&&e.restore()},_renderText:function(e){e.save(),this._translateForTextAlign(e),this._setOpacity(e),this._setShadow(e),this._setupCompositeOperation(e),this._renderTextFill(e),this._renderTextStroke(e),this._restoreCompositeOperation(e),this._removeShadow(e),e.restore()},_translateForTextAlign:function(e){this.textAlign!=="left"&&this.textAlign!=="justify"&&e.translate(this.textAlign==="center"?this.width/2:this.width,0)},_setTextStyles:function(e){e.textBaseline="alphabetic",this.skipTextAlign||(e.textAlign=this.textAlign),e.font=this._getFontDeclaration()},_getTextHeight:function(){return this._textLines.length*this._getHeightOfLine()},_getTextWidth:function(e){var t=this._getLineWidth(e,0);for(var n=1,r=this._textLines.length;n<r;n++){var i=this._getLineWidth(e,n);i>t&&(t=i)}return t},_renderChars:function(e,t,n,r,i){t[e](n,r,i)},_renderTextLine:function(e,t,n,r,i,s){i-=this.fontSize*this._fontSizeFraction;if(this.textAlign!=="justify"){this._renderChars(e,t,n,r,i,s);return}var o=this._getLineWidth(t,s),u=this.width;if(u>=o){var a=n.split(/\s+/),f=this._getWidthOfWords(t,n,s),l=u-f,c=a.length-1,h=l/c,p=0;for(var d=0,v=a.length;d<v;d++)this._renderChars(e,t,a[d],r+p,i,s),p+=t.measureText(a[d]).width+h}else this._renderChars(e,t,n,r,i,s)},_getWidthOfWords:function(e,t){return e.measureText(t.replace(/\s+/g,"")).width},_getLeftOffset:function(){return-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextFill:function(e){if(!this.fill&&!this._skipFillStrokeCheck)return;var t=0;for(var n=0,r=this._textLines.length;n<r;n++){var i=this._getHeightOfLine(e,n),s=i/this.lineHeight;this._renderTextLine("fillText",e,this._textLines[n],this._getLeftOffset(),this._getTopOffset()+t+s,n),t+=i}this.shadow&&!this.shadow.affectStroke&&this._removeShadow(e)},_renderTextStroke:function(e){if((!this.stroke||this.strokeWidth===0)&&!this._skipFillStrokeCheck)return;var t=0;e.save(),this.strokeDashArray&&(1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),s&&e.setLineDash(this.strokeDashArray)),e.beginPath();for(var n=0,r=this._textLines.length;n<r;n++){var i=this._getHeightOfLine(e,n),o=i/this.lineHeight;this._renderTextLine("strokeText",e,this._textLines[n],this._getLeftOffset(),this._getTopOffset()+t+o,n),t+=i}e.closePath(),e.restore()},_getHeightOfLine:function(){return this.fontSize*this._fontSizeMult*this.lineHeight},_renderTextBackground:function(e){this._renderTextBoxBackground(e),this._renderTextLinesBackground(e)},_renderTextBoxBackground:function(e){if(!this.backgroundColor)return;e.save(),e.fillStyle=this.backgroundColor,e.fillRect(this._getLeftOffset(),this._getTopOffset(),this.width,this.height),e.restore()},_renderTextLinesBackground:function(e){var t=0,n=this._getHeightOfLine();if(!this.textBackgroundColor)return;e.save(),e.fillStyle=this.textBackgroundColor;for(var r=0,i=this._textLines.length;r<i;r++){if(this._textLines[r]!==""){var s=this._getLineWidth(e,r),o=this._getLineLeftOffset(s);e.fillRect(this._getLeftOffset()+o,this._getTopOffset()+t,s,this.fontSize*this._fontSizeMult)}t+=n}e.restore()},_getLineLeftOffset:function(e){return this.textAlign==="center"?(this.width-e)/2:this.textAlign==="right"?this.width-e:0},_clearCache:function(){this.__lineWidths=[],this.__lineHeights=[],this.__lineOffsets=[]},_shouldClearCache:function(){var e=!1;for(var t in this._dimensionAffectingProps)this["__"+t]!==this[t]&&(this["__"+t]=this[t],e=!0);return e},_getLineWidth:function(e,t){return this.__lineWidths[t]?this.__lineWidths[t]:(this.__lineWidths[t]=e.measureText(this._textLines[t]).width,this.__lineWidths[t])},_renderTextDecoration:function(e){function i(r){var i,s=0,o,u,a;for(i=0,o=n._textLines.length;i<o;i++){var f=n._getLineWidth(e,i),l=n._getLineLeftOffset(f),c=n._getHeightOfLine(e,i);for(u=0,a=r.length;u<a;u++)e.fillRect(n._getLeftOffset()+l,s+(n._fontSizeMult-1+r[u])*n.fontSize-t,f,n.fontSize/15);s+=c}}if(!this.textDecoration)return;var t=this.height/2,n=this,r=[];this.textDecoration.indexOf("underline")>-1&&r.push(.85),this.textDecoration.indexOf("line-through")>-1&&r.push(.43),this.textDecoration.indexOf("overline")>-1&&r.push(-0.12),r.length>0&&i(r)},_getFontDeclaration:function(){return[t.isLikelyNode?this.fontWeight:this.fontStyle,t.isLikelyNode?this.fontStyle:this.fontWeight,this.fontSize+"px",t.isLikelyNode?'"'+this.fontFamily+'"':this.fontFamily].join(" ")},render:function(e,t){if(!this.visible)return;e.save(),this._setTextStyles(e),this._shouldClearCache()&&this._initDimensions(e),t||this.transform(e),this._setStrokeStyles(e),this._setFillStyles(e),this.transformMatrix&&e.transform.apply(e,this.transformMatrix),this.group&&this.group.type==="path-group"&&e.translate(this.left,this.top),this._render(e),e.restore()},toObject:function(e){var t=n(this.callSuper("toObject",e),{text:this.text,fontSize:this.fontSize,fontWeight:this.fontWeight,fontFamily:this.fontFamily,fontStyle:this.fontStyle,lineHeight:this.lineHeight,textDecoration:this.textDecoration,textAlign:this.textAlign,textBackgroundColor:this.textBackgroundColor});return this.includeDefaultValues||this._removeDefaultValues(t),t},toSVG:function(e){var t=this._createBaseSVGMarkup(),n=this._getSVGLeftTopOffsets(this.ctx),r=this._getSVGTextAndBg(n.textTop,n.textLeft);return this._wrapSVGTextAndBg(t,r),e?e(t.join("")):t.join("")},_getSVGLeftTopOffsets:function(e){var t=this._getHeightOfLine(e,0),n=-this.width/2,r=0;return{textLeft:n+(this.group&&this.group.type==="path-group"?this.left:0),textTop:r+(this.group&&this.group.type==="path-group"?-this.top:0),lineTop:t}},_wrapSVGTextAndBg:function(e,t){e.push('	<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n',t.textBgRects.join(""),"		<text ",this.fontFamily?'font-family="'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size="'+this.fontSize+'" ':"",this.fontStyle?'font-style="'+this.fontStyle+'" ':"",this.fontWeight?'font-weight="'+this.fontWeight+'" ':"",this.textDecoration?'text-decoration="'+this.textDecoration+'" ':"",'style="',this.getSvgStyles(),'" >',t.textSpans.join(""),"</text>\n","	</g>\n")},_getSVGTextAndBg:function(e,t){var n=[],r=[],i=0;this._setSVGBg(r);for(var s=0,o=this._textLines.length;s<o;s++)this.textBackgroundColor&&this._setSVGTextLineBg(r,s,t,e,i),this._setSVGTextLineText(s,n,i,t,e,r),i+=this._getHeightOfLine(this.ctx,s);return{textSpans:n,textBgRects:r}},_setSVGTextLineText:function(e,n,r,s,o){var u=this.fontSize*(this._fontSizeMult-this._fontSizeFraction)-o+r-this.height/2;n.push('<tspan x="',i(s+this._getLineLeftOffset(this.__lineWidths[e]),4),'" ','y="',i(u,4),'" ',this._getFillAttributes(this.fill),">",t.util.string.escapeXml(this._textLines[e]),"</tspan>")},_setSVGTextLineBg:function(e,t,n,r,s){e.push("		<rect ",this._getFillAttributes(this.textBackgroundColor),' x="',i(n+this._getLineLeftOffset(this.__lineWidths[t]),4),'" y="',i(s-this.height/2,4),'" width="',i(this.__lineWidths[t],4),'" height="',i(this._getHeightOfLine(this.ctx,t)/this.lineHeight,4),'"></rect>\n')},_setSVGBg:function(e){this.backgroundColor&&e.push("		<rect ",this._getFillAttributes(this.backgroundColor),' x="',i(-this.width/2,4),'" y="',i(-this.height/2,4),'" width="',i(this.width,4),'" height="',i(this.height,4),'"></rect>\n')},_getFillAttributes:function(e){var n=e&&typeof e=="string"?new t.Color(e):"";return!n||!n.getSource()||n.getAlpha()===1?'fill="'+e+'"':'opacity="'+n.getAlpha()+'" fill="'+n.setAlpha(1).toRgb()+'"'},_set:function(e,t){this.callSuper("_set",e,t),e in this._dimensionAffectingProps&&(this._initDimensions(),this.setCoords())},complexity:function(){return 1}}),t.Text.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),t.Text.DEFAULT_SVG_FONT_SIZE=16,t.Text.fromElement=function(e,n){if(!e)return null;var r=t.parseAttributes(e,t.Text.ATTRIBUTE_NAMES);n=t.util.object.extend(n?t.util.object.clone(n):{},r),n.top=n.top||0,n.left=n.left||0,"dx"in r&&(n.left+=r.dx),"dy"in r&&(n.top+=r.dy),"fontSize"in n||(n.fontSize=t.Text.DEFAULT_SVG_FONT_SIZE),n.originX||(n.originX="left");var i=e.textContent.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," "),s=new t.Text(i,n),o=0;return s.originX==="left"&&(o=s.getWidth()/2),s.originX==="right"&&(o=-s.getWidth()/2),s.set({left:s.getLeft()+o,top:s.getTop()-s.getHeight()/2+s.fontSize*(.18+s._fontSizeFraction)}),s},t.Text.fromObject=function(e){return new t.Text(e.text,r(e))},t.util.createAccessors(t.Text)}(typeof exports!="undefined"?exports:this),function(){var e=fabric.util.object.clone;fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,styles:null,caching:!0,_skipFillStrokeCheck:!1,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,_charWidthsCache:{},initialize:function(e,t){this.styles=t?t.styles||{}:{},this.callSuper("initialize",e,t),this.initBehavior()},_clearCache:function(){this.callSuper("_clearCache"),this.__maxFontHeights=[],this.__widthOfSpace=[]},isEmptyStyles:function(){if(!this.styles)return!0;var e=this.styles;for(var t in e)for(var n in e[t])for(var r in e[t][n])return!1;return!0},setSelectionStart:function(e){e=Math.max(e,0),this.selectionStart!==e&&(this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this}),this.selectionStart=e),this._updateTextarea()},setSelectionEnd:function(e){e=Math.min(e,this.text.length),this.selectionEnd!==e&&(this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this}),this.selectionEnd=e),this._updateTextarea()},getSelectionStyles:function(e,t){if(arguments.length===2){var n=[];for(var r=e;r<t;r++)n.push(this.getSelectionStyles(r));return n}var i=this.get2DCursorLocation(e);return this.styles[i.lineIndex]?this.styles[i.lineIndex][i.charIndex]||{}:{}},setSelectionStyles:function(e){if(this.selectionStart===this.selectionEnd)this._extendStyles(this.selectionStart,e);else for(var t=this.selectionStart;t<this.selectionEnd;t++)this._extendStyles(t,e);return this._clearCache(),this},_extendStyles:function(e,t){var n=this.get2DCursorLocation(e);this.styles[n.lineIndex]||(this.styles[n.lineIndex]={}),this.styles[n.lineIndex][n.charIndex]||(this.styles[n.lineIndex][n.charIndex]={}),fabric.util.object.extend(this.styles[n.lineIndex][n.charIndex],t)},_render:function(e){this.callSuper("_render",e),this.ctx=e,this.isEditing&&this.renderCursorOrSelection()},renderCursorOrSelection:function(){if(!this.active)return;var e=this.text.split(""),t,n;this.canvas.contextTop?(n=this.canvas.contextTop,n.save(),n.transform.apply(n,this.canvas.viewportTransform),this.transform(n)):(n=this.ctx,n.save()),this.selectionStart===this.selectionEnd?(t=this._getCursorBoundaries(e,"cursor"),this.renderCursor(t,n)):(t=this._getCursorBoundaries(e,"selection"),this.renderSelection(e,t,n)),n.restore()},get2DCursorLocation:function(e){typeof e=="undefined"&&(e=this.selectionStart);var t=this.text.slice(0,e),n=t.split(this._reNewline);return{lineIndex:n.length-1,charIndex:n[n.length-1].length}},getCurrentCharStyle:function(e,t){var n=this.styles[e]&&this.styles[e][t===0?0:t-1];return{fontSize:n&&n.fontSize||this.fontSize,fill:n&&n.fill||this.fill,textBackgroundColor:n&&n.textBackgroundColor||this.textBackgroundColor,textDecoration:n&&n.textDecoration||this.textDecoration,fontFamily:n&&n.fontFamily||this.fontFamily,fontWeight:n&&n.fontWeight||this.fontWeight,fontStyle:n&&n.fontStyle||this.fontStyle,stroke:n&&n.stroke||this.stroke,strokeWidth:n&&n.strokeWidth||this.strokeWidth}},getCurrentCharFontSize:function(e,t){return this.styles[e]&&this.styles[e][t===0?0:t-1]&&this.styles[e][t===0?0:t-1].fontSize||this.fontSize},getCurrentCharColor:function(e,t){return this.styles[e]&&this.styles[e][t===0?0:t-1]&&this.styles[e][t===0?0:t-1].fill||this.cursorColor},_getCursorBoundaries:function(e,t){var n=Math.round(this._getLeftOffset()),r=this._getTopOffset(),i=this._getCursorBoundariesOffsets(e,t);return{left:n,top:r,leftOffset:i.left+i.lineLeft,topOffset:i.top}},_getCursorBoundariesOffsets:function(e,t){var n=0,r=0,i=0,s=0,o=0;for(var u=0;u<this.selectionStart;u++)e[u]==="\n"?(o=0,s+=this._getHeightOfLine(this.ctx,r),r++,i=0):(o+=this._getWidthOfChar(this.ctx,e[u],r,i),i++),n=this._getCachedLineOffset(r);return t==="cursor"&&(s+=(1-this._fontSizeFraction)*this._getHeightOfLine(this.ctx,r)/this.lineHeight-this.getCurrentCharFontSize(r,i)*(1-this._fontSizeFraction)),{top:s,left:o,lineLeft:n}},_getCachedLineOffset:function(e){var t=this._getLineWidth(this.ctx,e);return this.__lineOffsets[e]||(this.__lineOffsets[e]=this._getLineLeftOffset(t))},renderCursor:function(e,t){var n=this.get2DCursorLocation(),r=n.lineIndex,i=n.charIndex,s=this.getCurrentCharFontSize(r,i),o=r===0&&i===0?this._getCachedLineOffset(r):e.leftOffset;t.fillStyle=this.getCurrentCharColor(r,i),t.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,t.fillRect(e.left+o,e.top+e.topOffset,this.cursorWidth/this.scaleX,s)},renderSelection:function(e,t,n){n.fillStyle=this.selectionColor;var r=this.get2DCursorLocation(this.selectionStart),i=this.get2DCursorLocation(this.selectionEnd),s=r.lineIndex,o=i.lineIndex;for(var u=s;u<=o;u++){var a=this._getCachedLineOffset(u)||0,f=this._getHeightOfLine(this.ctx,u),l=0,c=this._textLines[u];if(u===s)for(var h=0,p=c.length;h<p;h++)h>=r.charIndex&&(u!==o||h<i.charIndex)&&(l+=this._getWidthOfChar(n,c[h],u,h)),h<r.charIndex&&(a+=this._getWidthOfChar(n,c[h],u,h));else if(u>s&&u<o)l+=this._getLineWidth(n,u)||5;else if(u===o)for(var d=0,v=i.charIndex;d<v;d++)l+=this._getWidthOfChar(n,c[d],u,d);n.fillRect(t.left+a,t.top+t.topOffset,l,f),t.topOffset+=f}},_renderChars:function(e,t,n,r,i,s){if(this.isEmptyStyles())return this._renderCharsFast(e,t,n,r,i);this.skipTextAlign=!0,r-=this.textAlign==="center"?this.width/2:this.textAlign==="right"?this.width:0;var o=this._getHeightOfLine(t,s),u=this._getCachedLineOffset(s),a=n.split(""),f,l="";r+=u||0,t.save(),i-=o/this.lineHeight*this._fontSizeFraction;for(var c=0,h=a.length;c<=h;c++){f=f||this.getCurrentCharStyle(s,c);var p=this.getCurrentCharStyle(s,c+1);if(this._hasStyleChanged(f,p)||c===h)this._renderChar(e,t,s,c-1,l,r,i,o),l="",f=p;l+=a[c]}t.restore()},_renderCharsFast:function(e,t,n,r,i){this.skipTextAlign=!1,e==="fillText"&&this.fill&&this.callSuper("_renderChars",e,t,n,r,i),e==="strokeText"&&(this.stroke&&this.strokeWidth>0||this.skipFillStrokeCheck)&&this.callSuper("_renderChars",e,t,n,r,i)},_renderChar:function(e,t,n,r,i,s,o,u){var a,f,l,c=this._fontSizeFraction*u/this.lineHeight;if(this.styles&&this.styles[n]&&(a=this.styles[n][r])){var h=a.stroke||this.stroke,p=a.fill||this.fill;t.save(),f=this._applyCharStylesGetWidth(t,i,n,r,a),l=this._getHeightOfChar(t,i,n,r),p&&t.fillText(i,s,o),h&&t.strokeText(i,s,o),this._renderCharDecoration(t,a,s,o,c,f,l),t.restore(),t.translate(f,0)}else e==="strokeText"&&
  this.stroke&&t[e](i,s,o),e==="fillText"&&this.fill&&t[e](i,s,o),f=this._applyCharStylesGetWidth(t,i,n,r),this._renderCharDecoration(t,null,s,o,c,f,this.fontSize),t.translate(t.measureText(i).width,0)},_hasStyleChanged:function(e,t){return e.fill!==t.fill||e.fontSize!==t.fontSize||e.textBackgroundColor!==t.textBackgroundColor||e.textDecoration!==t.textDecoration||e.fontFamily!==t.fontFamily||e.fontWeight!==t.fontWeight||e.fontStyle!==t.fontStyle||e.stroke!==t.stroke||e.strokeWidth!==t.strokeWidth},_renderCharDecoration:function(e,t,n,r,i,s,o){var u=t?t.textDecoration||this.textDecoration:this.textDecoration;if(!u)return;u.indexOf("underline")>-1&&e.fillRect(n,r+o/10,s,o/15),u.indexOf("line-through")>-1&&e.fillRect(n,r-o*(this._fontSizeFraction+this._fontSizeMult-1)+o/15,s,o/15),u.indexOf("overline")>-1&&e.fillRect(n,r-(this._fontSizeMult-this._fontSizeFraction)*o,s,o/15)},_renderTextLine:function(e,t,n,r,i,s){this.isEmptyStyles()||(i+=this.fontSize*(this._fontSizeFraction+.03)),this.callSuper("_renderTextLine",e,t,n,r,i,s)},_renderTextDecoration:function(e){if(this.isEmptyStyles())return this.callSuper("_renderTextDecoration",e)},_renderTextLinesBackground:function(e){if(!this.textBackgroundColor&&!this.styles)return;e.save(),this.textBackgroundColor&&(e.fillStyle=this.textBackgroundColor);var t=0;for(var n=0,r=this._textLines.length;n<r;n++){var i=this._getHeightOfLine(e,n);if(this._textLines[n]===""){t+=i;continue}var s=this._getLineWidth(e,n),o=this._getCachedLineOffset(n);this.textBackgroundColor&&(e.fillStyle=this.textBackgroundColor,e.fillRect(this._getLeftOffset()+o,this._getTopOffset()+t,s,i/this.lineHeight));if(this.styles[n])for(var u=0,a=this._textLines[n].length;u<a;u++)if(this.styles[n]&&this.styles[n][u]&&this.styles[n][u].textBackgroundColor){var f=this._textLines[n][u];e.fillStyle=this.styles[n][u].textBackgroundColor,e.fillRect(this._getLeftOffset()+o+this._getWidthOfCharsAt(e,n,u),this._getTopOffset()+t,this._getWidthOfChar(e,f,n,u)+1,i/this.lineHeight)}t+=i}e.restore()},_getCacheProp:function(e,t){return e+t.fontFamily+t.fontSize+t.fontWeight+t.fontStyle+t.shadow},_applyCharStylesGetWidth:function(t,n,r,i,s){var o=s||this.styles[r]&&this.styles[r][i];o?o=e(o):o={},this._applyFontStyles(o);var u=this._getCacheProp(n,o);if(this.isEmptyStyles()&&this._charWidthsCache[u]&&this.caching)return this._charWidthsCache[u];typeof o.shadow=="string"&&(o.shadow=new fabric.Shadow(o.shadow));var a=o.fill||this.fill;return t.fillStyle=a.toLive?a.toLive(t,this):a,o.stroke&&(t.strokeStyle=o.stroke&&o.stroke.toLive?o.stroke.toLive(t,this):o.stroke),t.lineWidth=o.strokeWidth||this.strokeWidth,t.font=this._getFontDeclaration.call(o),this._setShadow.call(o,t),this.caching?(this._charWidthsCache[u]||(this._charWidthsCache[u]=t.measureText(n).width),this._charWidthsCache[u]):t.measureText(n).width},_applyFontStyles:function(e){e.fontFamily||(e.fontFamily=this.fontFamily),e.fontSize||(e.fontSize=this.fontSize),e.fontWeight||(e.fontWeight=this.fontWeight),e.fontStyle||(e.fontStyle=this.fontStyle)},_getStyleDeclaration:function(t,n){return this.styles[t]&&this.styles[t][n]?e(this.styles[t][n]):{}},_getWidthOfChar:function(e,t,n,r){if(this.textAlign==="justify"&&/\s/.test(t))return this._getWidthOfSpace(e,n);var i=this._getStyleDeclaration(n,r);this._applyFontStyles(i);var s=this._getCacheProp(t,i);if(this._charWidthsCache[s]&&this.caching)return this._charWidthsCache[s];if(e){e.save();var o=this._applyCharStylesGetWidth(e,t,n,r);return e.restore(),o}},_getHeightOfChar:function(e,t,n,r){return this.styles[n]&&this.styles[n][r]?this.styles[n][r].fontSize||this.fontSize:this.fontSize},_getHeightOfCharAt:function(e,t,n){var r=this._textLines[t][n];return this._getHeightOfChar(e,r,t,n)},_getWidthOfCharsAt:function(e,t,n){var r=0,i,s;for(i=0;i<n;i++)s=this._textLines[t][i],r+=this._getWidthOfChar(e,s,t,i);return r},_getLineWidth:function(e,t){return this.__lineWidths[t]?this.__lineWidths[t]:(this.__lineWidths[t]=this._getWidthOfCharsAt(e,t,this._textLines[t].length),this.__lineWidths[t])},_getWidthOfSpace:function(e,t){if(this.__widthOfSpace[t])return this.__widthOfSpace[t];var n=this._textLines[t],r=this._getWidthOfWords(e,n,t),i=this.width-r,s=n.length-n.replace(/\s+/g,"").length,o=i/s;return this.__widthOfSpace[t]=o,o},_getWidthOfWords:function(e,t,n){var r=0;for(var i=0;i<t.length;i++){var s=t[i];s.match(/\s/)||(r+=this._getWidthOfChar(e,s,n,i))}return r},_getHeightOfLine:function(e,t){if(this.__lineHeights[t])return this.__lineHeights[t];var n=this._textLines[t],r=this._getHeightOfChar(e,n[0],t,0);for(var i=1,s=n.length;i<s;i++){var o=this._getHeightOfChar(e,n[i],t,i);o>r&&(r=o)}return this.__maxFontHeights[t]=r,this.__lineHeights[t]=r*this.lineHeight*this._fontSizeMult,this.__lineHeights[t]},_getTextHeight:function(e){var t=0;for(var n=0,r=this._textLines.length;n<r;n++)t+=this._getHeightOfLine(e,n);return t},_renderTextBoxBackground:function(e){if(!this.backgroundColor)return;e.save(),e.fillStyle=this.backgroundColor,e.fillRect(this._getLeftOffset(),this._getTopOffset(),this.width,this.height),e.restore()},toObject:function(t){return fabric.util.object.extend(this.callSuper("toObject",t),{styles:e(this.styles)})}}),fabric.IText.fromObject=function(t){return new fabric.IText(t.text,e(t))}}(),function(){var e=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation()},initSelectedHandler:function(){this.on("selected",function(){var e=this;setTimeout(function(){e.selected=!0},100)})},initAddedHandler:function(){var e=this;this.on("added",function(){this.canvas&&!this.canvas._hasITextHandlers&&(this.canvas._hasITextHandlers=!0,this._initCanvasHandlers()),e.canvas&&(e.canvas._iTextInstances=e.canvas._iTextInstances||[],e.canvas._iTextInstances.push(e))})},initRemovedHandler:function(){var e=this;this.on("removed",function(){e.canvas&&(e.canvas._iTextInstances=e.canvas._iTextInstances||[],fabric.util.removeFromArray(e.canvas._iTextInstances,e))})},_initCanvasHandlers:function(){var e=this;this.canvas.on("selection:cleared",function(){fabric.IText.prototype.exitEditingOnOthers(e.canvas)}),this.canvas.on("mouse:up",function(){e.canvas._iTextInstances&&e.canvas._iTextInstances.forEach(function(e){e.__isMousedown=!1})}),this.canvas.on("object:selected",function(){fabric.IText.prototype.exitEditingOnOthers(e.canvas)})},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(e,t,n,r){var i;return i={isAborted:!1,abort:function(){this.isAborted=!0}},e.animate("_currentCursorOpacity",t,{duration:n,onComplete:function(){i.isAborted||e[r]()},onChange:function(){e.canvas&&(e.canvas.clearContext(e.canvas.contextTop||e.ctx),e.renderCursorOrSelection())},abort:function(){return i.isAborted}}),i},_onTickComplete:function(){var e=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){e._currentTickCompleteState=e._animateCursor(e,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(e){var t=this,n=e?0:this.cursorDelay;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),this._currentCursorOpacity=1,this.canvas&&(this.canvas.clearContext(this.canvas.contextTop||this.ctx),this.renderCursorOrSelection()),this._cursorTimeout2&&clearTimeout(this._cursorTimeout2),this._cursorTimeout2=setTimeout(function(){t._tick()},n)},abortCursorAnimation:function(){this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,this.canvas&&this.canvas.clearContext(this.canvas.contextTop||this.ctx)},selectAll:function(){this.setSelectionStart(0),this.setSelectionEnd(this.text.length)},getSelectedText:function(){return this.text.slice(this.selectionStart,this.selectionEnd)},findWordBoundaryLeft:function(e){var t=0,n=e-1;if(this._reSpace.test(this.text.charAt(n)))while(this._reSpace.test(this.text.charAt(n)))t++,n--;while(/\S/.test(this.text.charAt(n))&&n>-1)t++,n--;return e-t},findWordBoundaryRight:function(e){var t=0,n=e;if(this._reSpace.test(this.text.charAt(n)))while(this._reSpace.test(this.text.charAt(n)))t++,n++;while(/\S/.test(this.text.charAt(n))&&n<this.text.length)t++,n++;return e+t},findLineBoundaryLeft:function(e){var t=0,n=e-1;while(!/\n/.test(this.text.charAt(n))&&n>-1)t++,n--;return e-t},findLineBoundaryRight:function(e){var t=0,n=e;while(!/\n/.test(this.text.charAt(n))&&n<this.text.length)t++,n++;return e+t},getNumNewLinesInSelectedText:function(){var e=this.getSelectedText(),t=0;for(var n=0,r=e.split(""),i=r.length;n<i;n++)r[n]==="\n"&&t++;return t},searchWordBoundary:function(e,t){var n=this._reSpace.test(this.text.charAt(e))?e-1:e,r=this.text.charAt(n),i=/[ \n\.,;!\?\-]/;while(!i.test(r)&&n>0&&n<this.text.length)n+=t,r=this.text.charAt(n);return i.test(r)&&r!=="\n"&&(n+=t===1?0:1),n},selectWord:function(e){var t=this.searchWordBoundary(e,-1),n=this.searchWordBoundary(e,1);this.setSelectionStart(t),this.setSelectionEnd(n)},selectLine:function(e){var t=this.findLineBoundaryLeft(e),n=this.findLineBoundaryRight(e);this.setSelectionStart(t),this.setSelectionEnd(n)},enterEditing:function(){if(this.isEditing||!this.editable)return;return this.canvas&&this.exitEditingOnOthers(this.canvas),this.isEditing=!0,this.initHiddenTextarea(),this.hiddenTextarea.focus(),this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._tick(),this.fire("editing:entered"),this.canvas?(this.canvas.renderAll(),this.canvas.fire("text:editing:entered",{target:this}),this.initMouseMoveHandler(),this):this},exitEditingOnOthers:function(e){e._iTextInstances&&e._iTextInstances.forEach(function(e){e.selected=!1,e.isEditing&&e.exitEditing()})},initMouseMoveHandler:function(){var e=this;this.canvas.on("mouse:move",function(t){if(!e.__isMousedown||!e.isEditing)return;var n=e.getSelectionStartFromPointer(t.e);n>=e.__selectionStartOnMouseDown?(e.setSelectionStart(e.__selectionStartOnMouseDown),e.setSelectionEnd(n)):(e.setSelectionStart(n),e.setSelectionEnd(e.__selectionStartOnMouseDown))})},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},_updateTextarea:function(){if(!this.hiddenTextarea)return;this.hiddenTextarea.value=this.text,this.hiddenTextarea.selectionStart=this.selectionStart,this.hiddenTextarea.selectionEnd=this.selectionEnd},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){if(!this._savedProps)return;this.hoverCursor=this._savedProps.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor)},exitEditing:function(){return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this.fire("editing:exited"),this.canvas&&this.canvas.fire("text:editing:exited",{target:this}),this},_removeExtraneousStyles:function(){for(var e in this.styles)this._textLines[e]||delete this.styles[e]},_removeCharsFromTo:function(e,t){var n=t;while(n!==e){var r=this.get2DCursorLocation(n).charIndex;n--;var i=this.get2DCursorLocation(n).charIndex,s=i>r;s?this.removeStyleObject(s,n+1):this.removeStyleObject(this.get2DCursorLocation(n).charIndex===0,n)}this.text=this.text.slice(0,e)+this.text.slice(t),this._clearCache()},insertChars:function(e,t){var n=this.text.slice(this.selectionStart,this.selectionStart+1)==="\n";this.text=this.text.slice(0,this.selectionStart)+e+this.text.slice(this.selectionEnd),this.selectionStart===this.selectionEnd&&this.insertStyleObjects(e,n,t),this.setSelectionStart(this.selectionStart+e.length),this.setSelectionEnd(this.selectionStart),this._clearCache(),this.canvas&&this.canvas.renderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},insertNewlineStyleObject:function(t,n,r){this.shiftLineStyles(t,1),this.styles[t+1]||(this.styles[t+1]={});var i=this.styles[t][n-1],s={};if(r)s[0]=e(i),this.styles[t+1]=s;else{for(var o in this.styles[t])parseInt(o,10)>=n&&(s[parseInt(o,10)-n]=this.styles[t][o],delete this.styles[t][o]);this.styles[t+1]=s}this._clearCache()},insertCharStyleObject:function(t,n,r){var i=this.styles[t],s=e(i);n===0&&!r&&(n=1);for(var o in s){var u=parseInt(o,10);u>=n&&(i[u+1]=s[u])}this.styles[t][n]=r||e(i[n-1]),this._clearCache()},insertStyleObjects:function(e,t,n){var r=this.get2DCursorLocation(),i=r.lineIndex,s=r.charIndex;this.styles[i]||(this.styles[i]={}),e==="\n"?this.insertNewlineStyleObject(i,s,t):n?this._insertStyles(this.copiedStyles):this.insertCharStyleObject(i,s)},_insertStyles:function(e){for(var t=0,n=e.length;t<n;t++){var r=this.get2DCursorLocation(this.selectionStart+t),i=r.lineIndex,s=r.charIndex;this.insertCharStyleObject(i,s,e[t])}},shiftLineStyles:function(t,n){var r=e(this.styles);for(var i in this.styles){var s=parseInt(i,10);s>t&&(this.styles[s+n]=r[s])}},removeStyleObject:function(t,n){var r=this.get2DCursorLocation(n),i=r.lineIndex,s=r.charIndex;if(t){var o=this._textLines[i-1],u=o?o.length:0;this.styles[i-1]||(this.styles[i-1]={});for(s in this.styles[i])this.styles[i-1][parseInt(s,10)+u]=this.styles[i][s];this.shiftLineStyles(i,-1)}else{var a=this.styles[i];if(a){var f=this.selectionStart===this.selectionEnd?-1:0;delete a[s+f]}var l=e(a);for(var c in l){var h=parseInt(c,10);h>=s&&h!==0&&(a[h-1]=l[h],delete a[h])}}},insertNewline:function(){this.insertChars("\n")}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+(new Date),this.__lastLastClickTime=+(new Date),this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(e){this.__newClickTime=+(new Date);var t=this.canvas.getPointer(e.e);this.isTripleClick(t)?(this.fire("tripleclick",e),this._stopEvent(e.e)):this.isDoubleClick(t)&&(this.fire("dblclick",e),this._stopEvent(e.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=t,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isDoubleClick:function(e){return this.__newClickTime-this.__lastClickTime<500&&this.__lastPointer.x===e.x&&this.__lastPointer.y===e.y&&this.__lastIsEditing},isTripleClick:function(e){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===e.x&&this.__lastPointer.y===e.y},_stopEvent:function(e){e.preventDefault&&e.preventDefault(),e.stopPropagation&&e.stopPropagation()},initCursorSelectionHandlers:function(){this.initSelectedHandler(),this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("dblclick",function(e){this.selectWord(this.getSelectionStartFromPointer(e.e))}),this.on("tripleclick",function(e){this.selectLine(this.getSelectionStartFromPointer(e.e))})},initMousedownHandler:function(){this.on("mousedown",function(e){var t=this.canvas.getPointer(e.e);this.__mousedownX=t.x,this.__mousedownY=t.y,this.__isMousedown=!0,this.hiddenTextarea&&this.canvas&&this.canvas.wrapperEl.appendChild(this.hiddenTextarea),this.selected&&this.setCursorByClick(e.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.initDelayedCursor(!0))})},_isObjectMoved:function(e){var t=this.canvas.getPointer(e);return this.__mousedownX!==t.x||this.__mousedownY!==t.y},initMouseupHandler:function(){this.on("mouseup",function(e){this.__isMousedown=!1;if(this._isObjectMoved(e.e))return;this.__lastSelected&&(this.enterEditing(),this.initDelayedCursor(!0)),this.selected=!0})},setCursorByClick:function(e){var t=this.getSelectionStartFromPointer(e);e.shiftKey?t<this.selectionStart?(this.setSelectionEnd(this.selectionStart),this.setSelectionStart(t)):this.setSelectionEnd(t):(this.setSelectionStart(t),this.setSelectionEnd(t))},_getLocalRotatedPointer:function(e){var t=this.canvas.getPointer(e),n=new fabric.Point(t.x,t.y),r=new fabric.Point(this.left,this.top),i=fabric.util.rotatePoint(n,r,fabric.util.degreesToRadians(-this.angle));return this.getLocalPointer(e,i)},getSelectionStartFromPointer:function(e){var t=this._getLocalRotatedPointer(e),n=0,r=0,i=0,s=0,o,u;for(var a=0,f=this._textLines.length;a<f;a++){u=this._textLines[a].split(""),i+=this._getHeightOfLine(this.ctx,a)*this.scaleY;var l=this._getLineWidth(this.ctx,a),c=this._getLineLeftOffset(l);r=c*this.scaleX,this.flipX&&(this._textLines[a]=u.reverse().join(""));for(var h=0,p=u.length;h<p;h++){var d=u[h];n=r,r+=this._getWidthOfChar(this.ctx,d,a,this.flipX?p-h:h)*this.scaleX;if(i<=t.y||r<=t.x){s++;continue}return this._getNewSelectionStartFromOffset(t,n,r,s+a,p)}if(t.y<i)return this._getNewSelectionStartFromOffset(t,n,r,s+a,p)}if(typeof o=="undefined")return this.text.length},_getNewSelectionStartFromOffset:function(e,t,n,r,i){var s=e.x-t,o=n-e.x,u=o>s?0:1,a=r+u;return this.flipX&&(a=i-a),a>this.text.length&&(a=this.text.length),a}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.style.cssText="position: fixed; bottom: 20px; left: 0px; opacity: 0; width: 0px; height: 0px; z-index: -999;",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keypress",this.onKeyPress.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},_keysMap:{8:"removeChars",9:"exitEditing",27:"exitEditing",13:"insertNewline",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown",46:"forwardDelete"},_ctrlKeysMap:{65:"selectAll",88:"cut"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(e){if(!this.isEditing)return;if(e.keyCode in this._keysMap)this[this._keysMap[e.keyCode]](e);else{if(!(e.keyCode in this._ctrlKeysMap&&(e.ctrlKey||e.metaKey)))return;this[this._ctrlKeysMap[e.keyCode]](e)}e.stopImmediatePropagation(),e.preventDefault(),this.canvas&&this.canvas.renderAll()},forwardDelete:function(e){this.selectionStart===this.selectionEnd&&this.moveCursorRight(e),this.removeChars(e)},copy:function(e){var t=this.getSelectedText(),n=this._getClipboardData(e);n&&n.setData("text",t),this.copiedText=t,this.copiedStyles=this.getSelectionStyles(this.selectionStart,this.selectionEnd)},paste:function(e){var t=null,n=this._getClipboardData(e);n?t=n.getData("text"):t=this.copiedText,t&&this.insertChars(t,!0)},cut:function(e){if(this.selectionStart===this.selectionEnd)return;this.copy(),this.removeChars(e)},_getClipboardData:function(e){return e&&(e.clipboardData||fabric.window.clipboardData)},onKeyPress:function(e){if(!this.isEditing||e.metaKey||e.ctrlKey)return;e.which!==0&&this.insertChars(String.fromCharCode(e.which)),e.stopPropagation()},getDownCursorOffset:function(e,t){var n=t?this.selectionEnd:this.selectionStart,r,i,s=this.text.slice(0,n),o=this.text.slice(n),u=s.slice(s.lastIndexOf("\n")+1),a=o.match(/(.*)\n?/)[1],f=(o.match(/.*\n(.*)\n?/)||{})[1]||"",l=this.get2DCursorLocation(n);if(l.lineIndex===this._textLines.length-1||e.metaKey||e.keyCode===34)return this.text.length-n;var c=this._getLineWidth(this.ctx,l.lineIndex);i=this._getLineLeftOffset(c);var h=i,p=l.lineIndex;for(var d=0,v=u.length;d<v;d++)r=u[d],h+=this._getWidthOfChar(this.ctx,r,p,d);var m=this._getIndexOnNextLine(l,f,h);return a.length+1+m},_getIndexOnNextLine:function(e,t,n){var r=e.lineIndex+1,i=this._getLineWidth(this.ctx,r),s=this._getLineLeftOffset(i),o=s,u=0,a;for(var f=0,l=t.length;f<l;f++){var c=t[f],h=this._getWidthOfChar(this.ctx,c,r,f);o+=h;if(o>n){a=!0;var p=o-h,d=o,v=Math.abs(p-n),m=Math.abs(d-n);u=m<v?f+1:f;break}}return a||(u=t.length),u},moveCursorDown:function(e){this.abortCursorAnimation(),this._currentCursorOpacity=1;var t=this.getDownCursorOffset(e,this._selectionDirection==="right");e.shiftKey?this.moveCursorDownWithShift(t):this.moveCursorDownWithoutShift(t),this.initDelayedCursor()},moveCursorDownWithoutShift:function(e){this._selectionDirection="right",this.setSelectionStart(this.selectionStart+e),this.setSelectionEnd(this.selectionStart)},swapSelectionPoints:function(){var e=this.selectionEnd;this.setSelectionEnd(this.selectionStart),this.setSelectionStart(e)},moveCursorDownWithShift:function(e){this.selectionEnd===this.selectionStart&&(this._selectionDirection="right"),this._selectionDirection==="right"?this.setSelectionEnd(this.selectionEnd+e):this.setSelectionStart(this.selectionStart+e),this.selectionEnd<this.selectionStart&&this._selectionDirection==="left"&&(this.swapSelectionPoints(),this._selectionDirection="right"),this.selectionEnd>this.text.length&&this.setSelectionEnd(this.text.length)},getUpCursorOffset:function(e,t){var n=t?this.selectionEnd:this.selectionStart,r=this.get2DCursorLocation(n);if(r.lineIndex===0||e.metaKey||e.keyCode===33)return n;var i=this.text.slice(0,n),s=i.slice(i.lastIndexOf("\n")+1),o=(i.match(/\n?(.*)\n.*$/)||{})[1]||"",u,a=this._getLineWidth(this.ctx,r.lineIndex),f=this._getLineLeftOffset(a),l=f,c=r.lineIndex;for(var h=0,p=s.length;h<p;h++)u=s[h],l+=this._getWidthOfChar(this.ctx,u,c,h);var d=this._getIndexOnPrevLine(r,o,l);return o.length-d+s.length},_getIndexOnPrevLine:function(e,t,n){var r=e.lineIndex-1,i=this._getLineWidth(this.ctx,r),s=this._getLineLeftOffset(i),o=s,u=0,a;for(var f=0,l=t.length;f<l;f++){var c=t[f],h=this._getWidthOfChar(this.ctx,c,r,f);o+=h;if(o>n){a=!0;var p=o-h,d=o,v=Math.abs(p-n),m=Math.abs(d-n);u=m<v?f:f-1;break}}return a||(u=t.length-1),u},moveCursorUp:function(e){this.abortCursorAnimation(),this._currentCursorOpacity=1;var t=this.getUpCursorOffset(e,this._selectionDirection==="right");e.shiftKey?this.moveCursorUpWithShift(t):this.moveCursorUpWithoutShift(t),this.initDelayedCursor()},moveCursorUpWithShift:function(e){this.selectionEnd===this.selectionStart&&(this._selectionDirection="left"),this._selectionDirection==="right"?this.setSelectionEnd(this.selectionEnd-e):this.setSelectionStart(this.selectionStart-e),this.selectionEnd<this.selectionStart&&this._selectionDirection==="right"&&(this.swapSelectionPoints(),this._selectionDirection="left")},moveCursorUpWithoutShift:function(e){this.selectionStart===this.selectionEnd&&this.setSelectionStart(this.selectionStart-e),this.setSelectionEnd(this.selectionStart),this._selectionDirection="left"},moveCursorLeft:function(e){if(this.selectionStart===0&&this.selectionEnd===0)return;this.abortCursorAnimation(),this._currentCursorOpacity=1,e.shiftKey?this.moveCursorLeftWithShift(e):this.moveCursorLeftWithoutShift(e),this.initDelayedCursor()},_move:function(e,t,n){var r=t==="selectionStart"?"setSelectionStart":"setSelectionEnd";e.altKey?this[r](this["findWordBoundary"+n](this[t])):e.metaKey||e.keyCode===35||e.keyCode===36?this[r](this["findLineBoundary"+n](this[t])):this[r](this[t]+(n==="Left"?-1:1))},_moveLeft:function(e,t){this._move(e,t,"Left")},_moveRight:function(e,t){this._move(e,t,"Right")},moveCursorLeftWithoutShift:function(e){this._selectionDirection="left",this.selectionEnd===this.selectionStart&&this._moveLeft(e,"selectionStart"),this.setSelectionEnd(this.selectionStart)},moveCursorLeftWithShift:function(e){this._selectionDirection==="right"&&this.selectionStart!==this.selectionEnd?this._moveLeft(e,"selectionEnd"):(this._selectionDirection="left",this._moveLeft(e,"selectionStart"),this.text.charAt(this.selectionStart)==="\n"&&this.setSelectionStart(this.selectionStart-1))},moveCursorRight:function(e){if(this.selectionStart>=this.text.length&&this.selectionEnd>=this.text.length)return;this.abortCursorAnimation(),this._currentCursorOpacity=1,e.shiftKey?this.moveCursorRightWithShift(e):this.moveCursorRightWithoutShift(e),this.initDelayedCursor()},moveCursorRightWithShift:function(e){this._selectionDirection==="left"&&this.selectionStart!==this.selectionEnd?this._moveRight(e,"selectionStart"):(this._selectionDirection="right",this._moveRight(e,"selectionEnd"),this.text.charAt(this.selectionEnd-1)==="\n"&&this.setSelectionEnd(this.selectionEnd+1))},moveCursorRightWithoutShift:function(e){this._selectionDirection="right",this.selectionStart===this.selectionEnd?(this._moveRight(e,"selectionStart"),this.setSelectionEnd(this.selectionStart)):(this.setSelectionEnd(this.selectionEnd+this.getNumNewLinesInSelectedText()),this.setSelectionStart(this.selectionEnd))},removeChars:function(e){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(e):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.setSelectionEnd(this.selectionStart),this._removeExtraneousStyles(),this._clearCache(),this.canvas&&this.canvas.renderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(e){if(this.selectionStart!==0)if(e.metaKey){var t=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(t,this.selectionStart),this.setSelectionStart(t)}else if(e.altKey){var n=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(n,this.selectionStart),this.setSelectionStart(n)}else{var r=this.text.slice(this.selectionStart-1,this.selectionStart)==="\n";this.removeStyleObject(r),this.setSelectionStart(this.selectionStart-1),this.text=this.text.slice(0,this.selectionStart)+this.text.slice(this.selectionStart+1)}}}),fabric.util.object.extend(fabric.IText.prototype,{_setSVGTextLineText:function(e,t,n,r,i,s){this.styles[e]?this._setSVGTextLineChars(e,t,n,r,s):this.callSuper("_setSVGTextLineText",e,t,n,r,i)},_setSVGTextLineChars:function(e,t,n,r,i){var s=this._textLines[e].split(""),o=0,u=this._getSVGLineLeftOffset(e)-this.width/2,a=this._getSVGLineTopOffset(e),f=this._getHeightOfLine(this.ctx,e);for(var l=0,c=s.length;l<c;l++){var h=this.styles[e][l]||{};t.push(this._createTextCharSpan(s[l],h,u,a.lineTop+a.offset,o));var p=this._getWidthOfChar(this.ctx,s[l],e,l);h.textBackgroundColor&&i.push(this._createTextCharBg(h,u,a.lineTop,f,p,o)),o+=p}},_getSVGLineLeftOffset:function(e){return fabric.util.toFixed(this._getLineLeftOffset(this.__lineWidths[e]),2)},_getSVGLineTopOffset:function(e){var t=0,n=0;for(var r=0;r<e;r++)t+=this._getHeightOfLine(this.ctx,r);return n=this._getHeightOfLine(this.ctx,r),{lineTop:t,offset:(this._fontSizeMult-this._fontSizeFraction)*n/(this.lineHeight*this._fontSizeMult)}},_createTextCharBg:function(e,t,n,r,i,s){return['<rect fill="',e.textBackgroundColor,'" x="',t+s,'" y="',n-this.height/2,'" width="',i,'" height="',r/this.lineHeight,'"></rect>'].join("")},_createTextCharSpan:function(e,t,n,r,i){var s=this.getSvgStyles.call(fabric.util.object.extend({visible:!0,fill:this.fill,stroke:this.stroke,type:"text"},t));return['<tspan x="',n+i,'" y="',r-this.height/2,'" ',t.fontFamily?'font-family="'+t.fontFamily.replace(/"/g,"'")+'" ':"",t.fontSize?'font-size="'+t.fontSize+'" ':"",t.fontStyle?'font-style="'+t.fontStyle+'" ':"",t.fontWeight?'font-weight="'+t.fontWeight+'" ':"",t.textDecoration?'text-decoration="'+t.textDecoration+'" ':"",'style="',s,'">',fabric.util.string.escapeXml(e),"</tspan>"].join("")}}),function(){function request(e,t,n){var r=URL.parse(e);r.port||(r.port=r.protocol.indexOf("https:")===0?443:80);var i=r.protocol.indexOf("https:")===0?HTTPS:HTTP,s=i.request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(e){var r="";t&&e.setEncoding(t),e.on("end",function(){n(r)}),e.on("data",function(t){e.statusCode===200&&(r+=t)})});s.on("error",function(e){e.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(e.message)}),s.end()}function requestFs(e,t){var n=require("fs");n.readFile(e,function(e,n){if(e)throw fabric.log(e),e;t(n)})}if(typeof document!="undefined"&&typeof window!="undefined")return;var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require("canvas"),Image=require("canvas").Image;fabric.util.loadImage=function(e,t,n){function r(r){i.src=new Buffer(r,"binary"),i._src=e,t&&t.call(n,i)}var i=new Image;e&&(e instanceof Buffer||e.indexOf("data")===0)?(i.src=i._src=e,t&&t.call(n,i)):e&&e.indexOf("http")!==0?requestFs(e,r):e?request(e,"binary",r):t&&t.call(n,e)},fabric.loadSVGFromURL=function(e,t,n){e=e.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),e.indexOf("http")!==0?requestFs(e,function(e){fabric.loadSVGFromString(e.toString(),t,n)}):request(e,"",function(e){fabric.loadSVGFromString(e,t,n)})},fabric.loadSVGFromString=function(e,t,n){var r=(new DOMParser).parseFromString(e);fabric.parseSVGDocument(r.documentElement,function(e,n){t&&t(e,n)},n)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.Image.fromObject=function(e,t){fabric.util.loadImage(e.src,function(n){var r=new fabric.Image(n);r._initConfig(e),r._initFilters(e,function(e){r.filters=e||[],t&&t(r)})})},fabric.createCanvasForNode=function(e,t,n,r){r=r||n;var i=fabric.document.createElement("canvas"),s=new Canvas(e||600,t||600,r);i.style={},i.width=s.width,i.height=s.height;var o=fabric.Canvas||fabric.StaticCanvas,u=new o(i,n);return u.contextContainer=s.getContext("2d"),u.nodeCanvas=s,u.Font=Canvas.Font,u},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(e){return this.nodeCanvas.createJPEGStream(e)};var origSetWidth=fabric.StaticCanvas.prototype.setWidth;fabric.StaticCanvas.prototype.setWidth=function(e,t){return origSetWidth.call(this,e,t),this.nodeCanvas.width=e,this},fabric.Canvas&&(fabric.Canvas.prototype.setWidth=fabric.StaticCanvas.prototype.setWidth);var origSetHeight=fabric.StaticCanvas.prototype.setHeight;fabric.StaticCanvas.prototype.setHeight=function(e,t){return origSetHeight.call(this,e,t),this.nodeCanvas.height=e,this},fabric.Canvas&&(fabric.Canvas.prototype.setHeight=fabric.StaticCanvas.prototype.setHeight)}();