fabric.min.js

var fabric=fabric||{version:"4.4.0"};if("undefined"!=typeof exports?exports.fabric=fabric:"function"==typeof define&&define.amd&&define([],function(){return fabric}),"undefined"!=typeof document&&"undefined"!=typeof window)fabric.document=document instanceof("undefined"!=typeof HTMLDocument?HTMLDocument:Document)?document:document.implementation.createHTMLDocument(""),fabric.window=window;else{var jsdom=require("jsdom"),virtualWindow=new jsdom.JSDOM(decodeURIComponent("%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E"),{features:{FetchExternalResources:["img"]},resources:"usable"}).window;fabric.document=virtualWindow.document,fabric.jsdomImplForWrapper=require("jsdom/lib/jsdom/living/generated/utils").implForWrapper,fabric.nodeCanvas=require("jsdom/lib/jsdom/utils").Canvas,fabric.window=virtualWindow,DOMParser=fabric.window.DOMParser}fabric.isTouchSupported="ontouchstart"in fabric.window||"ontouchstart"in fabric.document||fabric.window&&fabric.window.navigator&&fabric.window.navigator.maxTouchPoints>0,fabric.isLikelyNode="undefined"!=typeof Buffer&&"undefined"==typeof window,fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-dashoffset","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id","paint-order","vector-effect","instantiated_by_use","clip-path"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:[eE][-+]?\\d+)?)",fabric.commaWsp="(?:\\s+,?\\s*|,\\s*)",fabric.rePathCommand=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:[eE][-+]?\d+)?)/gi,fabric.reNonWord=/[ \n\.,;!\?\-]/,fabric.fontPaths={},fabric.iMatrix=[1,0,0,1,0,0],fabric.svgNS="http://www.w3.org/2000/svg",fabric.perfLimitSizeTotal=2097152,fabric.maxCacheSideLimit=4096,fabric.minCacheSideLimit=256,fabric.charWidthsCache={},fabric.textureSize=2048,fabric.disableStyleCopyPaste=!1,fabric.enableGLFiltering=!0,fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,fabric.browserShadowBlurConstant=1,fabric.arcToSegmentsCache={},fabric.boundsOfCurveCache={},fabric.cachesBoundsOfCurve=!0,fabric.forceGLPutImageData=!1,fabric.initFilterBackend=function(){return fabric.enableGLFiltering&&fabric.isWebglSupported&&fabric.isWebglSupported(fabric.textureSize)?(console.log("max texture size: "+fabric.maxTextureSize),new fabric.WebglFilterBackend({tileSize:fabric.textureSize})):fabric.Canvas2dFilterBackend?new fabric.Canvas2dFilterBackend:void 0};"undefined"!=typeof document&&"undefined"!=typeof window&&(window.fabric=fabric);!function(){function t(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function e(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function i(e,i){if(!this.__eventListeners)return this;if(0===arguments.length)for(e in this.__eventListeners)t.call(this,e);else if(1===arguments.length&&"object"==typeof arguments[0])for(var r in e)t.call(this,r,e[r]);else t.call(this,e,i);return this}function r(t,e){if(!this.__eventListeners)return this;var i=this.__eventListeners[t];if(!i)return this;for(var r=0,n=i.length;n>r;r++)i[r]&&i[r].call(this,e||{});return this.__eventListeners[t]=i.filter(function(t){return t!==!1}),this}fabric.Observable={fire:r,on:e,off:i}}();fabric.Collection={_objects:[],add:function(){if(this._objects.push.apply(this._objects,arguments),this._onObjectAdded)for(var t=0,e=arguments.length;e>t;t++)this._onObjectAdded(arguments[t]);return this.renderOnAddRemove&&this.requestRenderAll(),this},insertAt:function(t,e,i){var r=this._objects;return i?r[e]=t:r.splice(e,0,t),this._onObjectAdded&&this._onObjectAdded(t),this.renderOnAddRemove&&this.requestRenderAll(),this},remove:function(){for(var t,e=this._objects,i=!1,r=0,n=arguments.length;n>r;r++)t=e.indexOf(arguments[r]),-1!==t&&(i=!0,e.splice(t,1),this._onObjectRemoved&&this._onObjectRemoved(arguments[r]));return this.renderOnAddRemove&&i&&this.requestRenderAll(),this},forEachObject:function(t,e){for(var i=this.getObjects(),r=0,n=i.length;n>r;r++)t.call(e,i[r],r,i);return this},getObjects:function(t){return"undefined"==typeof t?this._objects.concat():this._objects.filter(function(e){return e.type===t})},item:function(t){return this._objects[t]},isEmpty:function(){return 0===this._objects.length},size:function(){return this._objects.length},contains:function(t){return this._objects.indexOf(t)>-1},complexity:function(){return this._objects.reduce(function(t,e){return t+=e.complexity?e.complexity():0},0)}};fabric.CommonMethods={_setOptions:function(t){for(var e in t)this.set(e,t[e])},_initGradient:function(t,e){!t||!t.colorStops||t instanceof fabric.Gradient||this.set(e,new fabric.Gradient(t))},_initPattern:function(t,e,i){!t||!t.source||t instanceof fabric.Pattern?i&&i():this.set(e,new fabric.Pattern(t,i))},_setObject:function(t){for(var e in t)this._set(e,t[e])},set:function(t,e){return"object"==typeof t?this._setObject(t):this._set(t,e),this},_set:function(t,e){this[t]=e},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},get:function(t){return this[t]}};!function(t){var e=Math.sqrt,i=Math.atan2,r=Math.pow,n=Math.PI/180,s=Math.PI/2;fabric.util={cos:function(t){if(0===t)return 1;0>t&&(t=-t);var e=t/s;switch(e){case 1:case 3:return 0;case 2:return-1}return Math.cos(t)},sin:function(t){if(0===t)return 0;var e=t/s,i=1;switch(0>t&&(i=-1),e){case 1:return i;case 2:return 0;case 3:return-i}return Math.sin(t)},removeFromArray:function(t,e){var i=t.indexOf(e);return-1!==i&&t.splice(i,1),t},getRandomInt:function(t,e){return Math.floor(Math.random()*(e-t+1))+t},degreesToRadians:function(t){return t*n},radiansToDegrees:function(t){return t/n},rotatePoint:function(t,e,i){t.subtractEquals(e);var r=fabric.util.rotateVector(t,i);return new fabric.Point(r.x,r.y).addEquals(e)},rotateVector:function(t,e){var i=fabric.util.sin(e),r=fabric.util.cos(e),n=t.x*r-t.y*i,s=t.x*i+t.y*r;return{x:n,y:s}},transformPoint:function(t,e,i){return i?new fabric.Point(e[0]*t.x+e[2]*t.y,e[1]*t.x+e[3]*t.y):new fabric.Point(e[0]*t.x+e[2]*t.y+e[4],e[1]*t.x+e[3]*t.y+e[5])},makeBoundingBoxFromPoints:function(t,e){if(e)for(var i=0;i<t.length;i++)t[i]=fabric.util.transformPoint(t[i],e);var r=[t[0].x,t[1].x,t[2].x,t[3].x],n=fabric.util.array.min(r),s=fabric.util.array.max(r),o=s-n,a=[t[0].y,t[1].y,t[2].y,t[3].y],h=fabric.util.array.min(a),c=fabric.util.array.max(a),l=c-h;return{left:n,top:h,width:o,height:l}},invertTransform:function(t){var e=1/(t[0]*t[3]-t[1]*t[2]),i=[e*t[3],-e*t[1],-e*t[2],e*t[0]],r=fabric.util.transformPoint({x:t[4],y:t[5]},i,!0);return i[4]=-r.x,i[5]=-r.y,i},toFixed:function(t,e){return parseFloat(Number(t).toFixed(e))},parseUnit:function(t,e){var i=/\D{0,2}$/.exec(t),r=parseFloat(t);switch(e||(e=fabric.Text.DEFAULT_SVG_FONT_SIZE),i[0]){case"mm":return r*fabric.DPI/25.4;case"cm":return r*fabric.DPI/2.54;case"in":return r*fabric.DPI;case"pt":return r*fabric.DPI/72;case"pc":return r*fabric.DPI/72*12;case"em":return r*e;default:return r}},falseFunction:function(){return!1},getKlass:function(t,e){return t=fabric.util.string.camelize(t.charAt(0).toUpperCase()+t.slice(1)),fabric.util.resolveNamespace(e)[t]},getSvgAttributes:function(t){var e=["instantiated_by_use","style","id","class"];switch(t){case"linearGradient":e=e.concat(["x1","y1","x2","y2","gradientUnits","gradientTransform"]);break;case"radialGradient":e=e.concat(["gradientUnits","gradientTransform","cx","cy","r","fx","fy","fr"]);break;case"stop":e=e.concat(["offset","stop-color","stop-opacity"])}return e},resolveNamespace:function(e){if(!e)return fabric;var i,r=e.split("."),n=r.length,s=t||fabric.window;for(i=0;n>i;++i)s=s[r[i]];return s},loadImage:function(t,e,i,r){if(!t)return void(e&&e.call(i,t));var n=fabric.util.createImage(),s=function(){e&&e.call(i,n,!1),n=n.onload=n.onerror=null};n.onload=s,n.onerror=function(){fabric.log("Error loading "+n.src),e&&e.call(i,null,!0),n=n.onload=n.onerror=null},0!==t.indexOf("data")&&void 0!==r&&null!==r&&(n.crossOrigin=r),"data:image/svg"===t.substring(0,14)&&(n.onload=null,fabric.util.loadImageInDom(n,s)),n.src=t},loadImageInDom:function(t,e){var i=fabric.document.createElement("div");i.style.width=i.style.height="1px",i.style.left=i.style.top="-100%",i.style.position="absolute",i.appendChild(t),fabric.document.querySelector("body").appendChild(i),t.onload=function(){e(),i.parentNode.removeChild(i),i=null}},enlivenObjects:function(t,e,i,r){function n(){++o===a&&e&&e(s.filter(function(t){return t}))}t=t||[];var s=[],o=0,a=t.length;return a?void t.forEach(function(t,e){if(!t||!t.type)return void n();var o=fabric.util.getKlass(t.type,i);o.fromObject(t,function(i,o){o||(s[e]=i),r&&r(t,i,o),n()})}):void(e&&e(s))},enlivenPatterns:function(t,e){function i(){++n===s&&e&&e(r)}t=t||[];var r=[],n=0,s=t.length;return s?void t.forEach(function(t,e){t&&t.source?new fabric.Pattern(t,function(t){r[e]=t,i()}):(r[e]=t,i())}):void(e&&e(r))},groupSVGElements:function(t,e,i){var r;return t&&1===t.length?t[0]:(e&&(e.width&&e.height?e.centerPoint={x:e.width/2,y:e.height/2}:(delete e.width,delete e.height)),r=new fabric.Group(t,e),"undefined"!=typeof i&&(r.sourcePath=i),r)},populateWithProperties:function(t,e,i){if(i&&"[object Array]"===Object.prototype.toString.call(i))for(var r=0,n=i.length;n>r;r++)i[r]in t&&(e[i[r]]=t[i[r]])},drawDashedLine:function(t,r,n,s,o,a){var h=s-r,c=o-n,l=e(h*h+c*c),u=i(c,h),f=a.length,d=0,g=!0;for(t.save(),t.translate(r,n),t.moveTo(0,0),t.rotate(u),r=0;l>r;)r+=a[d++%f],r>l&&(r=l),t[g?"lineTo":"moveTo"](r,0),g=!g;t.restore()},createCanvasElement:function(){return fabric.document.createElement("canvas")},copyCanvasElement:function(t){var e=fabric.util.createCanvasElement();return e.width=t.width,e.height=t.height,e.getContext("2d").drawImage(t,0,0),e},toDataURL:function(t,e,i){return t.toDataURL("image/"+e,i)},createImage:function(){return fabric.document.createElement("img")},multiplyTransformMatrices:function(t,e,i){return[t[0]*e[0]+t[2]*e[1],t[1]*e[0]+t[3]*e[1],t[0]*e[2]+t[2]*e[3],t[1]*e[2]+t[3]*e[3],i?0:t[0]*e[4]+t[2]*e[5]+t[4],i?0:t[1]*e[4]+t[3]*e[5]+t[5]]},qrDecompose:function(t){var s=i(t[1],t[0]),o=r(t[0],2)+r(t[1],2),a=e(o),h=(t[0]*t[3]-t[2]*t[1])/a,c=i(t[0]*t[2]+t[1]*t[3],o);return{angle:s/n,scaleX:a,scaleY:h,skewX:c/n,skewY:0,translateX:t[4],translateY:t[5]}},calcRotateMatrix:function(t){if(!t.angle)return fabric.iMatrix.concat();var e=fabric.util.degreesToRadians(t.angle),i=fabric.util.cos(e),r=fabric.util.sin(e);return[i,r,-r,i,0,0]},calcDimensionsMatrix:function(t){var e="undefined"==typeof t.scaleX?1:t.scaleX,i="undefined"==typeof t.scaleY?1:t.scaleY,r=[t.flipX?-e:e,0,0,t.flipY?-i:i,0,0],n=fabric.util.multiplyTransformMatrices,s=fabric.util.degreesToRadians;return t.skewX&&(r=n(r,[1,0,Math.tan(s(t.skewX)),1],!0)),t.skewY&&(r=n(r,[1,Math.tan(s(t.skewY)),0,1],!0)),r},composeMatrix:function(t){var e=[1,0,0,1,t.translateX||0,t.translateY||0],i=fabric.util.multiplyTransformMatrices;return t.angle&&(e=i(e,fabric.util.calcRotateMatrix(t))),(1!==t.scaleX||1!==t.scaleY||t.skewX||t.skewY||t.flipX||t.flipY)&&(e=i(e,fabric.util.calcDimensionsMatrix(t))),e},resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.flipX=!1,t.flipY=!1,t.rotate(0)},saveObjectTransform:function(t){return{scaleX:t.scaleX,scaleY:t.scaleY,skewX:t.skewX,skewY:t.skewY,angle:t.angle,left:t.left,flipX:t.flipX,flipY:t.flipY,top:t.top}},isTransparent:function(t,e,i,r){r>0&&(e>r?e-=r:e=0,i>r?i-=r:i=0);var n,s,o=!0,a=t.getImageData(e,i,2*r||1,2*r||1),h=a.data.length;for(n=3;h>n&&(s=a.data[n],o=0>=s,o!==!1);n+=4);return a=null,o},parsePreserveAspectRatioAttribute:function(t){var e,i="meet",r="Mid",n="Mid",s=t.split(" ");return s&&s.length&&(i=s.pop(),"meet"!==i&&"slice"!==i?(e=i,i="meet"):s.length&&(e=s.pop())),r="none"!==e?e.slice(1,4):"none",n="none"!==e?e.slice(5,8):"none",{meetOrSlice:i,alignX:r,alignY:n}},clearFabricFontCache:function(t){t=(t||"").toLowerCase(),t?fabric.charWidthsCache[t]&&delete fabric.charWidthsCache[t]:fabric.charWidthsCache={}},limitDimsByArea:function(t,e){var i=Math.sqrt(e*t),r=Math.floor(e/i);return{x:Math.floor(i),y:r}},capValue:function(t,e,i){return Math.max(t,Math.min(e,i))},findScaleToFit:function(t,e){return Math.min(e.width/t.width,e.height/t.height)},findScaleToCover:function(t,e){return Math.max(e.width/t.width,e.height/t.height)},matrixToSVG:function(t){return"matrix("+t.map(function(t){return fabric.util.toFixed(t,fabric.Object.NUM_FRACTION_DIGITS)}).join(" ")+")"},removeTransformFromObject:function(t,e){var i=fabric.util.invertTransform(e),r=fabric.util.multiplyTransformMatrices(i,t.calcOwnMatrix());fabric.util.applyTransformToObject(t,r)},addTransformToObject:function(t,e){fabric.util.applyTransformToObject(t,fabric.util.multiplyTransformMatrices(e,t.calcOwnMatrix()))},applyTransformToObject:function(t,e){var i=fabric.util.qrDecompose(e),r=new fabric.Point(i.translateX,i.translateY);t.flipX=!1,t.flipY=!1,t.set("scaleX",i.scaleX),t.set("scaleY",i.scaleY),t.skewX=i.skewX,t.skewY=i.skewY,t.angle=i.angle,t.setPositionByOrigin(r,"center","center")},sizeAfterTransform:function(t,e,i){var r=t/2,n=e/2,s=[{x:-r,y:-n},{x:r,y:-n},{x:-r,y:n},{x:r,y:n}],o=fabric.util.calcDimensionsMatrix(i),a=fabric.util.makeBoundingBoxFromPoints(s,o);return{x:a.width,y:a.height}}}}("undefined"!=typeof exports?exports:this);!function(){function t(t,e,i,r,n,s,o,a,c,h,l){var u=fabric.util.cos(t),f=fabric.util.sin(t),d=fabric.util.cos(e),g=fabric.util.sin(e),p=i*n*d-r*s*g+o,m=r*n*d+i*s*g+a,v=h+c*(-i*n*f-r*s*u),b=l+c*(-r*n*f+i*s*u),y=p+c*(i*n*g+r*s*d),x=m+c*(r*n*g-i*s*d);return["C",v,b,y,x,p,m]}function e(e,r,n,s,o,a,c){var h=Math.PI,l=c*h/180,u=fabric.util.sin(l),f=fabric.util.cos(l),d=0,g=0;n=Math.abs(n),s=Math.abs(s);var p=-f*e*.5-u*r*.5,m=-f*r*.5+u*e*.5,v=n*n,b=s*s,y=m*m,x=p*p,_=v*b-v*y-b*x,C=0;if(0>_){var S=Math.sqrt(1-_/(v*b));n*=S,s*=S}else C=(o===a?-1:1)*Math.sqrt(_/(v*y+b*x));var T=C*n*m/s,w=-C*s*p/n,O=f*T-u*w+.5*e,k=u*T+f*w+.5*r,A=i(1,0,(p-T)/n,(m-w)/s),D=i((p-T)/n,(m-w)/s,(-p-T)/n,(-m-w)/s);0===a&&D>0?D-=2*h:1===a&&0>D&&(D+=2*h);for(var P=Math.ceil(Math.abs(D/h*2)),E=[],j=D/P,F=8/3*Math.sin(j/4)*Math.sin(j/4)/Math.sin(j/2),I=A+j,M=0;P>M;M++)E[M]=t(A,I,f,u,n,s,O,k,F,d,g),d=E[M][5],g=E[M][6],A=I,I+=j;return E}function i(t,e,i,r){var n=Math.atan2(e,t),s=Math.atan2(r,i);return s>=n?s-n:2*Math.PI-(n-s)}function r(t,e,i,r,n,s,o,a){var c;if(fabric.cachesBoundsOfCurve&&(c=w.call(arguments),fabric.boundsOfCurveCache[c]))return fabric.boundsOfCurveCache[c];var h,l,u,f,d,g,p,m,v=Math.sqrt,b=Math.min,y=Math.max,x=Math.abs,_=[],C=[[],[]];l=6*t-12*i+6*n,h=-3*t+9*i-9*n+3*o,u=3*i-3*t;for(var S=0;2>S;++S)if(S>0&&(l=6*e-12*r+6*s,h=-3*e+9*r-9*s+3*a,u=3*r-3*e),x(h)<1e-12){if(x(l)<1e-12)continue;f=-u/l,f>0&&1>f&&_.push(f)}else p=l*l-4*u*h,0>p||(m=v(p),d=(-l+m)/(2*h),d>0&&1>d&&_.push(d),g=(-l-m)/(2*h),g>0&&1>g&&_.push(g));for(var T,O,k,A=_.length,D=A;A--;)f=_[A],k=1-f,T=k*k*k*t+3*k*k*f*i+3*k*f*f*n+f*f*f*o,C[0][A]=T,O=k*k*k*e+3*k*k*f*r+3*k*f*f*s+f*f*f*a,C[1][A]=O;C[0][D]=t,C[1][D]=e,C[0][D+1]=o,C[1][D+1]=a;var P=[{x:b.apply(null,C[0]),y:b.apply(null,C[1])},{x:y.apply(null,C[0]),y:y.apply(null,C[1])}];return fabric.cachesBoundsOfCurve&&(fabric.boundsOfCurveCache[c]=P),P}function n(t,i,r){for(var n=r[1],s=r[2],o=r[3],a=r[4],c=r[5],h=r[6],l=r[7],u=e(h-t,l-i,n,s,a,c,o),f=0,d=u.length;d>f;f++)u[f][1]+=t,u[f][2]+=i,u[f][3]+=t,u[f][4]+=i,u[f][5]+=t,u[f][6]+=i;return u}function s(t){var e,i,r,s,o,a,c=0,h=0,l=t.length,u=0,f=0,d=[];for(i=0;l>i;++i){switch(r=!1,e=t[i].slice(0),e[0]){case"l":e[0]="L",e[1]+=c,e[2]+=h;case"L":c=e[1],h=e[2];break;case"h":e[1]+=c;case"H":e[0]="L",e[2]=h,c=e[1];break;case"v":e[1]+=h;case"V":e[0]="L",h=e[1],e[1]=c,e[2]=h;break;case"m":e[0]="M",e[1]+=c,e[2]+=h;case"M":c=e[1],h=e[2],u=e[1],f=e[2];break;case"c":e[0]="C",e[1]+=c,e[2]+=h,e[3]+=c,e[4]+=h,e[5]+=c,e[6]+=h;case"C":o=e[3],a=e[4],c=e[5],h=e[6];break;case"s":e[0]="S",e[1]+=c,e[2]+=h,e[3]+=c,e[4]+=h;case"S":"C"===s?(o=2*c-o,a=2*h-a):(o=c,a=h),c=e[3],h=e[4],e[0]="C",e[5]=e[3],e[6]=e[4],e[3]=e[1],e[4]=e[2],e[1]=o,e[2]=a,o=e[3],a=e[4];break;case"q":e[0]="Q",e[1]+=c,e[2]+=h,e[3]+=c,e[4]+=h;case"Q":o=e[1],a=e[2],c=e[3],h=e[4];break;case"t":e[0]="T",e[1]+=c,e[2]+=h;case"T":"Q"===s?(o=2*c-o,a=2*h-a):(o=c,a=h),e[0]="Q",c=e[1],h=e[2],e[1]=o,e[2]=a,e[3]=c,e[4]=h;break;case"a":e[0]="A",e[6]+=c,e[7]+=h;case"A":r=!0,d=d.concat(n(c,h,e)),c=e[6],h=e[7];break;case"z":case"Z":c=u,h=f}r||d.push(e),s=e[0]}return 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i,r,n,s=0,a=0,c=t.iterator,h={x:t.x,y:t.y},l=.01,u=t.angleFinder;e>a&&1>=s&&l>1e-4;)i=c(s),n=s,r=o(h.x,h.y,i.x,i.y),r+a>e?(l/=2,s-=l):(h=i,s+=l,a+=r);return i.angle=u(n),i}function x(t){for(var e,i,r,n,s=0,a=t.length,c=0,h=0,l=0,d=0,g=[],p=0;a>p;p++){switch(e=t[p],r={x:c,y:h,command:e[0]},e[0]){case"M":r.length=0,l=c=e[1],d=h=e[2];break;case"L":r.length=o(c,h,e[1],e[2]),c=e[1],h=e[2];break;case"C":i=u(c,h,e[1],e[2],e[3],e[4],e[5],e[6]),n=f(c,h,e[1],e[2],e[3],e[4],e[5],e[6]),r.iterator=i,r.angleFinder=n,r.length=b(i,c,h),c=e[5],h=e[6];break;case"Q":i=m(c,h,e[1],e[2],e[3],e[4]),n=v(c,h,e[1],e[2],e[3],e[4]),r.iterator=i,r.angleFinder=n,r.length=b(i,c,h),c=e[3],h=e[4];break;case"Z":case"z":r.destX=l,r.destY=d,r.length=o(c,h,l,d),c=l,h=d}s+=r.length,g.push(r)}return g.push({length:s,x:c,y:h}),g}function _(t,e,i){i||(i=x(t));for(var r=0;e-i[r].length>0&&r<i.length-2;)e-=i[r].length,r++;var n,s=i[r],o=e/s.length,a=s.command,c=t[r];switch(a){case"M":return{x:s.x,y:s.y,angle:0};case"Z":case"z":return n=new fabric.Point(s.x,s.y).lerp(new fabric.Point(s.destX,s.destY),o),n.angle=Math.atan2(s.destY-s.y,s.destX-s.x),n;case"L":return n=new fabric.Point(s.x,s.y).lerp(new fabric.Point(c[1],c[2]),o),n.angle=Math.atan2(c[2]-s.y,c[1]-s.x),n;case"C":return y(s,e);case"Q":return y(s,e)}}function C(t){var e,i,r,n,s,o=[],a=[],c=fabric.rePathCommand,h="[-+]?(?:\\d*\\.\\d+|\\d+\\.?)(?:[eE][-+]?\\d+)?\\s*",l="("+h+")"+fabric.commaWsp,u="([01])"+fabric.commaWsp+"?",f=l+"?"+l+"?"+l+u+u+l+"?("+h+")",d=new RegExp(f,"g");if(!t||!t.match)return o;s=t.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi);for(var g,p=0,m=s.length;m>p;p++){e=s[p],n=e.slice(1).trim(),a.length=0;var v=e.charAt(0);if(g=[v],"a"===v.toLowerCase())for(var b;b=d.exec(n);)for(var y=1;y<b.length;y++)a.push(b[y]);else for(;r=c.exec(n);)a.push(r[0]);for(var y=0,x=a.length;x>y;y++)i=parseFloat(a[y]),isNaN(i)||g.push(i);var 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i=o.call(arguments,2),r=[],n=0,s=t.length;s>n;n++)r[n]=i.length?t[n][e].apply(t[n],i):t[n][e].call(t[n]);return r}function e(t,e){return n(t,e,function(t,e){return t>=e})}function i(t,e){return n(t,e,function(t,e){return e>t})}function r(t,e){for(var i=t.length;i--;)t[i]=e;return t}function n(t,e,i){if(t&&0!==t.length){var r=t.length-1,n=e?t[r][e]:t[r];if(e)for(;r--;)i(t[r][e],n)&&(n=t[r][e]);else for(;r--;)i(t[r],n)&&(n=t[r]);return n}}var o=Array.prototype.slice;fabric.util.array={fill:r,invoke:t,min:i,max:e}}();!function(){function t(e,i,r){if(r)if(!fabric.isLikelyNode&&i instanceof Element)e=i;else if(i instanceof Array){e=[];for(var n=0,o=i.length;o>n;n++)e[n]=t({},i[n],r)}else if(i&&"object"==typeof i)for(var s in i)"canvas"===s||"group"===s?e[s]=null:i.hasOwnProperty(s)&&(e[s]=t({},i[s],r));else e=i;else for(var s in i)e[s]=i[s];return e}function e(e,i){return t({},e,i)}fabric.util.object={extend:t,clone:e},fabric.util.object.extend(fabric.util,fabric.Observable)}();!function(){function t(t){return t.replace(/-+(.)?/g,function(t,e){return e?e.toUpperCase():""})}function e(t,e){return t.charAt(0).toUpperCase()+(e?t.slice(1):t.slice(1).toLowerCase())}function i(t){return t.replace(/&/g,"&amp;").replace(/"/g,"&quot;").replace(/'/g,"&apos;").replace(/</g,"&lt;").replace(/>/g,"&gt;")}function r(t){var e,i=0,r=[];for(i=0,e;i<t.length;i++)(e=n(t,i))!==!1&&r.push(e);return r}function n(t,e){var i=t.charCodeAt(e);if(isNaN(i))return"";if(55296>i||i>57343)return t.charAt(e);if(i>=55296&&56319>=i){if(t.length<=e+1)throw"High surrogate without following low surrogate";var r=t.charCodeAt(e+1);if(56320>r||r>57343)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var n=t.charCodeAt(e-1);if(55296>n||n>56319)throw"Low surrogate without preceding high surrogate";return!1}fabric.util.string={camelize:t,capitalize:e,escapeXml:i,graphemeSplit:r}}();!function(){function t(){}function e(t){for(var e=null,i=this;i.constructor.superclass;){var n=i.constructor.superclass.prototype[t];if(i[t]!==n){e=n;break}i=i.constructor.superclass.prototype}return e?arguments.length>1?e.apply(this,r.call(arguments,1)):e.call(this):console.log("tried to callSuper "+t+", method not found in prototype chain",this)}function i(){function i(){this.initialize.apply(this,arguments)}var o=null,a=r.call(arguments,0);"function"==typeof a[0]&&(o=a.shift()),i.superclass=o,i.subclasses=[],o&&(t.prototype=o.prototype,i.prototype=new t,o.subclasses.push(i));for(var c=0,l=a.length;l>c;c++)s(i,a[c],o);return i.prototype.initialize||(i.prototype.initialize=n),i.prototype.constructor=i,i.prototype.callSuper=e,i}var r=Array.prototype.slice,n=function(){},o=function(){for(var t in{toString:1})if("toString"===t)return!1;return!0}(),s=function(t,e,i){for(var r in e)t.prototype[r]=r in t.prototype&&"function"==typeof t.prototype[r]&&(e[r]+"").indexOf("callSuper")>-1?function(t){return function(){var r=this.constructor.superclass;this.constructor.superclass=i;var n=e[t].apply(this,arguments);return this.constructor.superclass=r,"initialize"!==t?n:void 0}}(r):e[r],o&&(e.toString!==Object.prototype.toString&&(t.prototype.toString=e.toString),e.valueOf!==Object.prototype.valueOf&&(t.prototype.valueOf=e.valueOf))};fabric.util.createClass=i}();!function(){function t(t){var e=t.changedTouches;return e&&e[0]?e[0]:t}var e=!!fabric.document.createElement("div").attachEvent,i=["touchstart","touchmove","touchend"];fabric.util.addListener=function(t,i,r,n){t&&t.addEventListener(i,r,e?!1:n)},fabric.util.removeListener=function(t,i,r,n){t&&t.removeEventListener(i,r,e?!1:n)},fabric.util.getPointer=function(e){var i=e.target,r=fabric.util.getScrollLeftTop(i),n=t(e);return{x:n.clientX+r.left,y:n.clientY+r.top}},fabric.util.isTouchEvent=function(t){return i.indexOf(t.type)>-1||"touch"===t.pointerType}}();!function(){function t(t,e){var i=t.style;if(!i)return t;if("string"==typeof e)return t.style.cssText+=";"+e,e.indexOf("opacity")>-1?o(t,e.match(/opacity:\s*(\d?\.?\d*)/)[1]):t;for(var r in e)if("opacity"===r)o(t,e[r]);else{var n="float"===r||"cssFloat"===r?"undefined"==typeof i.styleFloat?"cssFloat":"styleFloat":r;i[n]=e[r]}return t}var e=fabric.document.createElement("div"),i="string"==typeof e.style.opacity,r="string"==typeof e.style.filter,n=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,o=function(t){return t};i?o=function(t,e){return t.style.opacity=e,t}:r&&(o=function(t,e){var i=t.style;return t.currentStyle&&!t.currentStyle.hasLayout&&(i.zoom=1),n.test(i.filter)?(e=e>=.9999?"":"alpha(opacity="+100*e+")",i.filter=i.filter.replace(n,e)):i.filter+=" alpha(opacity="+100*e+")",t}),fabric.util.setStyle=t}();!function(){function t(t){return"string"==typeof t?fabric.document.getElementById(t):t}function e(t,e){var i=fabric.document.createElement(t);for(var r in e)"class"===r?i.className=e[r]:"for"===r?i.htmlFor=e[r]:i.setAttribute(r,e[r]);return i}function i(t,e){t&&-1===(" "+t.className+" ").indexOf(" "+e+" ")&&(t.className+=(t.className?" ":"")+e)}function r(t,i,r){return"string"==typeof i&&(i=e(i,r)),t.parentNode&&t.parentNode.replaceChild(i,t),i.appendChild(t),i}function n(t){for(var e=0,i=0,r=fabric.document.documentElement,n=fabric.document.body||{scrollLeft:0,scrollTop:0};t&&(t.parentNode||t.host)&&(t=t.parentNode||t.host,t===fabric.document?(e=n.scrollLeft||r.scrollLeft||0,i=n.scrollTop||r.scrollTop||0):(e+=t.scrollLeft||0,i+=t.scrollTop||0),1!==t.nodeType||"fixed"!==t.style.position););return{left:e,top:i}}function o(t){var e,i,r=t&&t.ownerDocument,o={left:0,top:0},s={left:0,top:0},a={borderLeftWidth:"left",borderTopWidth:"top",paddingLeft:"left",paddingTop:"top"};if(!r)return s;for(var l in a)s[a[l]]+=parseInt(d(t,l),10)||0;return e=r.documentElement,"undefined"!=typeof t.getBoundingClientRect&&(o=t.getBoundingClientRect()),i=n(t),{left:o.left+i.left-(e.clientLeft||0)+s.left,top:o.top+i.top-(e.clientTop||0)+s.top}}function s(t){var e=fabric.jsdomImplForWrapper(t);return e._canvas||e._image}function a(t){if(fabric.isLikelyNode){var e=fabric.jsdomImplForWrapper(t);e&&(e._image=null,e._canvas=null,e._currentSrc=null,e._attributes=null,e._classList=null)}}function l(t,e){t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=e}var h,c=Array.prototype.slice,f=function(t){return c.call(t,0)};try{h=f(fabric.document.childNodes)instanceof Array}catch(u){}h||(f=function(t){for(var e=new Array(t.length),i=t.length;i--;)e[i]=t[i];return e});var d;d=fabric.document.defaultView&&fabric.document.defaultView.getComputedStyle?function(t,e){var i=fabric.document.defaultView.getComputedStyle(t,null);return i?i[e]:void 0}:function(t,e){var i=t.style[e];return!i&&t.currentStyle&&(i=t.currentStyle[e]),i},function(){function t(t){return"undefined"!=typeof t.onselectstart&&(t.onselectstart=fabric.util.falseFunction),r?t.style[r]="none":"string"==typeof t.unselectable&&(t.unselectable="on"),t}function e(t){return"undefined"!=typeof t.onselectstart&&(t.onselectstart=null),r?t.style[r]="":"string"==typeof t.unselectable&&(t.unselectable=""),t}var i=fabric.document.documentElement.style,r="userSelect"in i?"userSelect":"MozUserSelect"in i?"MozUserSelect":"WebkitUserSelect"in i?"WebkitUserSelect":"KhtmlUserSelect"in i?"KhtmlUserSelect":"";fabric.util.makeElementUnselectable=t,fabric.util.makeElementSelectable=e}(),fabric.util.setImageSmoothing=l,fabric.util.getById=t,fabric.util.toArray=f,fabric.util.addClass=i,fabric.util.makeElement=e,fabric.util.wrapElement=r,fabric.util.getScrollLeftTop=n,fabric.util.getElementOffset=o,fabric.util.getNodeCanvas=s,fabric.util.cleanUpJsdomNode=a}();!function(){function t(t,e){return t+(/\?/.test(t)?"&":"?")+e}function e(){}function i(i,r){r||(r={});var n=r.method?r.method.toUpperCase():"GET",o=r.onComplete||function(){},s=new fabric.window.XMLHttpRequest,a=r.body||r.parameters;return s.onreadystatechange=function(){4===s.readyState&&(o(s),s.onreadystatechange=e)},"GET"===n&&(a=null,"string"==typeof r.parameters&&(i=t(i,r.parameters))),s.open(n,i,!0),("POST"===n||"PUT"===n)&&s.setRequestHeader("Content-Type","application/x-www-form-urlencoded"),s.send(a),s}fabric.util.request=i}();fabric.log=console.log,fabric.warn=console.warn;!function(){function t(){return!1}function e(t,e,i,r){return-i*Math.cos(t/r*(Math.PI/2))+i+e}function i(i){r(function(n){i||(i={});var o,s=n||+new Date,a=i.duration||500,h=s+a,l=i.onChange||t,c=i.abort||t,f=i.onComplete||t,u=i.easing||e,d="startValue"in i?i.startValue:0,g="endValue"in i?i.endValue:100,p=i.byValue||g-d;i.onStart&&i.onStart(),function m(t){o=t||+new Date;var e=o>h?a:o-s,i=e/a,n=u(e,d,p,a),v=Math.abs((n-d)/p);return c()?void f(g,1,1):o>h?(l(g,1,1),void f(g,1,1)):(l(n,v,i),void r(m))}(s)})}function r(){return o.apply(fabric.window,arguments)}function n(){return s.apply(fabric.window,arguments)}var 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i?a(i,e):s(i,e),e):e},parsePointsAttribute:function(t){if(!t)return null;t=t.replace(/,/g," ").trim(),t=t.split(/\s+/);var e,i,r=[];for(e=0,i=t.length;i>e;e+=2)r.push({x:parseFloat(t[e]),y:parseFloat(t[e+1])});return r},getCSSRules:function(t){var e,i,r,n=t.getElementsByTagName("style"),o={};for(e=0,i=n.length;i>e;e++){var a=n[e].textContent;a=a.replace(/\/\*[\s\S]*?\*\//g,""),""!==a.trim()&&(r=a.match(/[^{]*\{[\s\S]*?\}/g),r=r.map(function(t){return t.trim()}),r.forEach(function(t){var r=t.match(/([\s\S]*?)\s*\{([^}]*)\}/),n={},a=r[2].trim(),s=a.replace(/;$/,"").split(/\s*;\s*/);for(e=0,i=s.length;i>e;e++){var h=s[e].split(/\s*:\s*/),l=h[0],c=h[1];n[l]=c}t=r[1],t.split(",").forEach(function(t){t=t.replace(/^svg/i,"").trim(),""!==t&&(o[t]?v.util.object.extend(o[t],n):o[t]=v.util.object.clone(n))})}))}return o},loadSVGFromURL:function(t,e,i,r){function n(t){var n=t.responseXML;return n&&n.documentElement?void v.parseSVGDocument(n.documentElement,function(t,i,r,n){e&&e(t,i,r,n)},i,r):(e&&e(null),!1)}t=t.replace(/^\n\s*/,"").trim(),new v.util.request(t,{method:"get",onComplete:n})},loadSVGFromString:function(t,e,i,r){var n=new v.window.DOMParser,o=n.parseFromString(t.trim(),"text/xml");v.parseSVGDocument(o.documentElement,function(t,i,r,n){e(t,i,r,n)},i,r)}})}("undefined"!=typeof exports?exports:this);fabric.ElementsParser=function(t,e,i,r,n,o){this.elements=t,this.callback=e,this.options=i,this.reviver=r,this.svgUid=i&&i.svgUid||0,this.parsingOptions=n,this.regexUrl=/^url\(['"]?#([^'"]+)['"]?\)/g,this.doc=o},function(t){t.parse=function(){this.instances=new Array(this.elements.length),this.numElements=this.elements.length,this.createObjects()},t.createObjects=function(){var t=this;this.elements.forEach(function(e,i){e.setAttribute("svgUid",t.svgUid),t.createObject(e,i)})},t.findTag=function(t){return fabric[fabric.util.string.capitalize(t.tagName.replace("svg:",""))]},t.createObject=function(t,e){var i=this.findTag(t);if(i&&i.fromElement)try{i.fromElement(t,this.createCallback(e,t),this.options)}catch(r){fabric.log(r)}else this.checkIfDone()},t.createCallback=function(t,e){var i=this;return function(r){var n;i.resolveGradient(r,e,"fill"),i.resolveGradient(r,e,"stroke"),r instanceof fabric.Image&&r._originalElement&&(n=r.parsePreserveAspectRatioAttribute(e)),r._removeTransformMatrix(n),i.resolveClipPath(r,e),i.reviver&&i.reviver(e,r),i.instances[t]=r,i.checkIfDone()}},t.extractPropertyDefinition=function(t,e,i){var r=t[e],n=this.regexUrl;if(n.test(r)){n.lastIndex=0;var o=n.exec(r)[1];return n.lastIndex=0,fabric[i][this.svgUid][o]}},t.resolveGradient=function(t,e,i){var r=this.extractPropertyDefinition(t,i,"gradientDefs");if(r){var n=e.getAttribute(i+"-opacity"),o=fabric.Gradient.fromElement(r,t,n,this.options);t.set(i,o)}},t.createClipPathCallback=function(t,e){return function(t){t._removeTransformMatrix(),t.fillRule=t.clipRule,e.push(t)}},t.resolveClipPath=function(t,e){var i,r,n,o,s,a,h=this.extractPropertyDefinition(t,"clipPath","clipPaths");if(h){o=[],n=fabric.util.invertTransform(t.calcTransformMatrix());for(var c=h[0].parentNode,l=e;l.parentNode&&l.getAttribute("clip-path")!==t.clipPath;)l=l.parentNode;l.parentNode.appendChild(c);for(var f=0;f<h.length;f++)i=h[f],r=this.findTag(i),r.fromElement(i,this.createClipPathCallback(t,o),this.options);h=1===o.length?o[0]:new fabric.Group(o),s=fabric.util.multiplyTransformMatrices(n,h.calcTransformMatrix()),h.clipPath&&this.resolveClipPath(h,l);var a=fabric.util.qrDecompose(s);h.flipX=!1,h.flipY=!1,h.set("scaleX",a.scaleX),h.set("scaleY",a.scaleY),h.angle=a.angle,h.skewX=a.skewX,h.skewY=0,h.setPositionByOrigin({x:a.translateX,y:a.translateY},"center","center"),t.clipPath=h}else delete t.clipPath},t.checkIfDone=function(){0===--this.numElements&&(this.instances=this.instances.filter(function(t){return null!=t}),this.callback(this.instances,this.elements))}}(fabric.ElementsParser.prototype);!function(t){"use strict";function e(t,e){this.x=t,this.y=e}var i=t.fabric||(t.fabric={});return i.Point?void i.warn("fabric.Point is already defined"):(i.Point=e,void(e.prototype={type:"point",constructor:e,add:function(t){return new e(this.x+t.x,this.y+t.y)},addEquals:function(t){return this.x+=t.x,this.y+=t.y,this},scalarAdd:function(t){return new e(this.x+t,this.y+t)},scalarAddEquals:function(t){return this.x+=t,this.y+=t,this},subtract:function(t){return new e(this.x-t.x,this.y-t.y)},subtractEquals:function(t){return this.x-=t.x,this.y-=t.y,this},scalarSubtract:function(t){return new e(this.x-t,this.y-t)},scalarSubtractEquals:function(t){return this.x-=t,this.y-=t,this},multiply:function(t){return new e(this.x*t,this.y*t)},multiplyEquals:function(t){return this.x*=t,this.y*=t,this},divide:function(t){return new e(this.x/t,this.y/t)},divideEquals:function(t){return this.x/=t,this.y/=t,this},eq:function(t){return this.x===t.x&&this.y===t.y},lt:function(t){return this.x<t.x&&this.y<t.y},lte:function(t){return this.x<=t.x&&this.y<=t.y},gt:function(t){return this.x>t.x&&this.y>t.y},gte:function(t){return this.x>=t.x&&this.y>=t.y},lerp:function(t,i){return"undefined"==typeof i&&(i=.5),i=Math.max(Math.min(1,i),0),new e(this.x+(t.x-this.x)*i,this.y+(t.y-this.y)*i)},distanceFrom:function(t){var e=this.x-t.x,i=this.y-t.y;return Math.sqrt(e*e+i*i)},midPointFrom:function(t){return this.lerp(t)},min:function(t){return new e(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new e(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new e(this.x,this.y)}}))}("undefined"!=typeof exports?exports:this);!function(t){"use strict";function e(t){this.status=t,this.points=[]}var i=t.fabric||(t.fabric={});return i.Intersection?void i.warn("fabric.Intersection is already defined"):(i.Intersection=e,i.Intersection.prototype={constructor:e,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},i.Intersection.intersectLineLine=function(t,r,n,o){var s,a=(o.x-n.x)*(t.y-n.y)-(o.y-n.y)*(t.x-n.x),c=(r.x-t.x)*(t.y-n.y)-(r.y-t.y)*(t.x-n.x),l=(o.y-n.y)*(r.x-t.x)-(o.x-n.x)*(r.y-t.y);if(0!==l){var h=a/l,u=c/l;h>=0&&1>=h&&u>=0&&1>=u?(s=new e("Intersection"),s.appendPoint(new i.Point(t.x+h*(r.x-t.x),t.y+h*(r.y-t.y)))):s=new e}else s=new e(0===a||0===c?"Coincident":"Parallel");return s},i.Intersection.intersectLinePolygon=function(t,i,r){var n,o,s,a,c=new e,l=r.length;for(a=0;l>a;a++)n=r[a],o=r[(a+1)%l],s=e.intersectLineLine(t,i,n,o),c.appendPoints(s.points);return c.points.length>0&&(c.status="Intersection"),c},i.Intersection.intersectPolygonPolygon=function(t,i){var r,n=new e,o=t.length;for(r=0;o>r;r++){var s=t[r],a=t[(r+1)%o],c=e.intersectLinePolygon(s,a,i);n.appendPoints(c.points)}return n.points.length>0&&(n.status="Intersection"),n},void(i.Intersection.intersectPolygonRectangle=function(t,r,n){var o=r.min(n),s=r.max(n),a=new i.Point(s.x,o.y),c=new i.Point(o.x,s.y),l=e.intersectLinePolygon(o,a,t),h=e.intersectLinePolygon(a,s,t),u=e.intersectLinePolygon(s,c,t),f=e.intersectLinePolygon(c,o,t),d=new e;return d.appendPoints(l.points),d.appendPoints(h.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d}))}("undefined"!=typeof exports?exports:this);!function(t){"use strict";function e(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function i(t,e,i){return 0>i&&(i+=1),i>1&&(i-=1),1/6>i?t+6*(e-t)*i:.5>i?e:2/3>i?t+(e-t)*(2/3-i)*6:t}var r=t.fabric||(t.fabric={});return r.Color?void r.warn("fabric.Color is already defined."):(r.Color=e,r.Color.prototype={_tryParsingColor:function(t){var i;t in e.colorNameMap&&(t=e.colorNameMap[t]),"transparent"===t&&(i=[255,255,255,0]),i||(i=e.sourceFromHex(t)),i||(i=e.sourceFromRgb(t)),i||(i=e.sourceFromHsl(t)),i||(i=[0,0,0,1]),i&&this.setSource(i)},_rgbToHsl:function(t,e,i){t/=255,e/=255,i/=255;var n,o,s,a=r.util.array.max([t,e,i]),l=r.util.array.min([t,e,i]);if(s=(a+l)/2,a===l)n=o=0;else{var c=a-l;switch(o=s>.5?c/(2-a-l):c/(a+l),a){case t:n=(e-i)/c+(i>e?6:0);break;case e:n=(i-t)/c+2;break;case i:n=(t-e)/c+4}n/=6}return[Math.round(360*n),Math.round(100*o),Math.round(100*s)]},getSource:function(){return this._source},setSource:function(t){this._source=t},toRgb:function(){var t=this.getSource();return"rgb("+t[0]+","+t[1]+","+t[2]+")"},toRgba:function(){var t=this.getSource();return"rgba("+t[0]+","+t[1]+","+t[2]+","+t[3]+")"},toHsl:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsl("+e[0]+","+e[1]+"%,"+e[2]+"%)"},toHsla:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsla("+e[0]+","+e[1]+"%,"+e[2]+"%,"+t[3]+")"},toHex:function(){var t,e,i,r=this.getSource();return t=r[0].toString(16),t=1===t.length?"0"+t:t,e=r[1].toString(16),e=1===e.length?"0"+e:e,i=r[2].toString(16),i=1===i.length?"0"+i:i,t.toUpperCase()+e.toUpperCase()+i.toUpperCase()},toHexa:function(){var t,e=this.getSource();return t=Math.round(255*e[3]),t=t.toString(16),t=1===t.length?"0"+t:t,this.toHex()+t.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(t){var e=this.getSource();return e[3]=t,this.setSource(e),this},toGrayscale:function(){var t=this.getSource(),e=parseInt((.3*t[0]+.59*t[1]+.11*t[2]).toFixed(0),10),i=t[3];return this.setSource([e,e,e,i]),this},toBlackWhite:function(t){var e=this.getSource(),i=(.3*e[0]+.59*e[1]+.11*e[2]).toFixed(0),r=e[3];return t=t||127,i=Number(i)<Number(t)?0:255,this.setSource([i,i,i,r]),this},overlayWith:function(t){t instanceof e||(t=new e(t));var i,r=[],n=this.getAlpha(),o=.5,s=this.getSource(),a=t.getSource();for(i=0;3>i;i++)r.push(Math.round(s[i]*(1-o)+a[i]*o));return r[3]=n,this.setSource(r),this}},r.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/i,r.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/i,r.Color.reHex=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i,r.Color.colorNameMap={aliceblue:"#F0F8FF",antiquewhite:"#FAEBD7",aqua:"#00FFFF",aquamarine:"#7FFFD4",azure:"#F0FFFF",beige:"#F5F5DC",bisque:"#FFE4C4",black:"#000000",blanchedalmond:"#FFEBCD",blue:"#0000FF",blueviolet:"#8A2BE2",brown:"#A52A2A",burlywood:"#DEB887",cadetblue:"#5F9EA0",chartreuse:"#7FFF00",chocolate:"#D2691E",coral:"#FF7F50",cornflowerblue:"#6495ED",cornsilk:"#FFF8DC",crimson:"#DC143C",cyan:"#00FFFF",darkblue:"#00008B",darkcyan:"#008B8B",darkgoldenrod:"#B8860B",darkgray:"#A9A9A9",darkgrey:"#A9A9A9",darkgreen:"#006400",darkkhaki:"#BDB76B",darkmagenta:"#8B008B",darkolivegreen:"#556B2F",darkorange:"#FF8C00",darkorchid:"#9932CC",darkred:"#8B0000",darksalmon:"#E9967A",darkseagreen:"#8FBC8F",darkslateblue:"#483D8B",darkslategray:"#2F4F4F",darkslategrey:"#2F4F4F",darkturquoise:"#00CED1",darkviolet:"#9400D3",deeppink:"#FF1493",deepskyblue:"#00BFFF",dimgray:"#696969",dimgrey:"#696969",dodgerblue:"#1E90FF",firebrick:"#B22222",floralwhite:"#FFFAF0",forestgreen:"#228B22",fuchsia:"#FF00FF",gainsboro:"#DCDCDC",ghostwhite:"#F8F8FF",gold:"#FFD700",goldenrod:"#DAA520",gray:"#808080",grey:"#808080",green:"#008000",greenyellow:"#ADFF2F",honeydew:"#F0FFF0",hotpink:"#FF69B4",indianred:"#CD5C5C",indigo:"#4B0082",ivory:"#FFFFF0",khaki:"#F0E68C",lavender:"#E6E6FA",lavenderblush:"#FFF0F5",lawngreen:"#7CFC00",lemonchiffon:"#FFFACD",lightblue:"#ADD8E6",lightcoral:"#F08080",lightcyan:"#E0FFFF",lightgoldenrodyellow:"#FAFAD2",lightgray:"#D3D3D3",lightgrey:"#D3D3D3",lightgreen:"#90EE90",lightpink:"#FFB6C1",lightsalmon:"#FFA07A",lightseagreen:"#20B2AA",lightskyblue:"#87CEFA",lightslategray:"#778899",lightslategrey:"#778899",lightsteelblue:"#B0C4DE",lightyellow:"#FFFFE0",lime:"#00FF00",limegreen:"#32CD32",linen:"#FAF0E6",magenta:"#FF00FF",maroon:"#800000",mediumaquamarine:"#66CDAA",mediumblue:"#0000CD",mediumorchid:"#BA55D3",mediumpurple:"#9370DB",mediumseagreen:"#3CB371",mediumslateblue:"#7B68EE",mediumspringgreen:"#00FA9A",mediumturquoise:"#48D1CC",mediumvioletred:"#C71585",midnightblue:"#191970",mintcream:"#F5FFFA",mistyrose:"#FFE4E1",moccasin:"#FFE4B5",navajowhite:"#FFDEAD",navy:"#000080",oldlace:"#FDF5E6",olive:"#808000",olivedrab:"#6B8E23",orange:"#FFA500",orangered:"#FF4500",orchid:"#DA70D6",palegoldenrod:"#EEE8AA",palegreen:"#98FB98",paleturquoise:"#AFEEEE",palevioletred:"#DB7093",papayawhip:"#FFEFD5",peachpuff:"#FFDAB9",peru:"#CD853F",pink:"#FFC0CB",plum:"#DDA0DD",powderblue:"#B0E0E6",purple:"#800080",rebeccapurple:"#663399",red:"#FF0000",rosybrown:"#BC8F8F",royalblue:"#4169E1",saddlebrown:"#8B4513",salmon:"#FA8072",sandybrown:"#F4A460",seagreen:"#2E8B57",seashell:"#FFF5EE",sienna:"#A0522D",silver:"#C0C0C0",skyblue:"#87CEEB",slateblue:"#6A5ACD",slategray:"#708090",slategrey:"#708090",snow:"#FFFAFA",springgreen:"#00FF7F",steelblue:"#4682B4",tan:"#D2B48C",teal:"#008080",thistle:"#D8BFD8",tomato:"#FF6347",turquoise:"#40E0D0",violet:"#EE82EE",wheat:"#F5DEB3",white:"#FFFFFF",whitesmoke:"#F5F5F5",yellow:"#FFFF00",yellowgreen:"#9ACD32"},r.Color.fromRgb=function(t){return e.fromSource(e.sourceFromRgb(t))},r.Color.sourceFromRgb=function(t){var i=t.match(e.reRGBa);if(i){var r=parseInt(i[1],10)/(/%$/.test(i[1])?100:1)*(/%$/.test(i[1])?255:1),n=parseInt(i[2],10)/(/%$/.test(i[2])?100:1)*(/%$/.test(i[2])?255:1),o=parseInt(i[3],10)/(/%$/.test(i[3])?100:1)*(/%$/.test(i[3])?255:1);return[parseInt(r,10),parseInt(n,10),parseInt(o,10),i[4]?parseFloat(i[4]):1]}},r.Color.fromRgba=e.fromRgb,r.Color.fromHsl=function(t){return e.fromSource(e.sourceFromHsl(t))},r.Color.sourceFromHsl=function(t){var r=t.match(e.reHSLa);if(r){var n,o,s,a=(parseFloat(r[1])%360+360)%360/360,l=parseFloat(r[2])/(/%$/.test(r[2])?100:1),c=parseFloat(r[3])/(/%$/.test(r[3])?100:1);if(0===l)n=o=s=c;else{var h=.5>=c?c*(l+1):c+l-c*l,u=2*c-h;n=i(u,h,a+1/3),o=i(u,h,a),s=i(u,h,a-1/3)}return[Math.round(255*n),Math.round(255*o),Math.round(255*s),r[4]?parseFloat(r[4]):1]}},r.Color.fromHsla=e.fromHsl,r.Color.fromHex=function(t){return e.fromSource(e.sourceFromHex(t))},r.Color.sourceFromHex=function(t){if(t.match(e.reHex)){var i=t.slice(t.indexOf("#")+1),r=3===i.length||4===i.length,n=8===i.length||4===i.length,o=r?i.charAt(0)+i.charAt(0):i.substring(0,2),s=r?i.charAt(1)+i.charAt(1):i.substring(2,4),a=r?i.charAt(2)+i.charAt(2):i.substring(4,6),l=n?r?i.charAt(3)+i.charAt(3):i.substring(6,8):"FF";return[parseInt(o,16),parseInt(s,16),parseInt(a,16),parseFloat((parseInt(l,16)/255).toFixed(2))]}},void(r.Color.fromSource=function(t){var i=new e;return i.setSource(t),i}))}("undefined"!=typeof exports?exports:this);!function(t){"use strict";function e(t,e){var i=t.angle+H(Math.atan2(e.y,e.x))+360;return Math.round(i%360/45)}function i(t,e){var i=e.transform.target,r=i.canvas,n=E.util.object.clone(e);n.target=i,r&&r.fire("object:"+t,n),i.fire(t,e)}function r(t,e){var i=e.canvas,r=i.uniScaleKey,n=t[r];return i.uniformScaling&&!n||!i.uniformScaling&&n}function n(t){return t.originX===j&&t.originY===j}function o(t,e,i){var r=t.lockScalingX,n=t.lockScalingY;return r&&n?!0:!e&&(r||n)&&i?!0:r&&"x"===e?!0:n&&"y"===e?!0:!1}function s(t,i,n){var s="not-allowed",a=r(t,n),l="";if(0!==i.x&&0===i.y?l="x":0===i.x&&0!==i.y&&(l="y"),o(n,l,a))return s;var c=e(n,i);return A[c]+"-resize"}function a(t,i,r){var n="not-allowed";if(0!==i.x&&r.lockSkewingY)return n;if(0!==i.y&&r.lockSkewingX)return n;var o=e(r,i)%4;return k[o]+"-resize"}function l(t,e,i){return t[i.canvas.altActionKey]?I.skewCursorStyleHandler(t,e,i):I.scaleCursorStyleHandler(t,e,i)}function c(t,e,i){var r=t[i.canvas.altActionKey];return 0===e.x?r?"skewX":"scaleY":0===e.y?r?"skewY":"scaleX":void 0}function h(t,e,i){return i.lockRotation?"not-allowed":e.cursorStyle}function u(t,e,i,r){return{e:t,transform:e,pointer:{x:i,y:r}}}function f(t){return function(e,i,r,n){var o=i.target,s=o.getCenterPoint(),a=o.translateToOriginPoint(s,i.originX,i.originY),l=t(e,i,r,n);return o.setPositionByOrigin(a,i.originX,i.originY),l}}function d(t,e,i,r,n){var o=t.target,s=o.controls[t.corner],a=o.canvas.getZoom(),l=o.padding/a,c=o.toLocalPoint(new E.Point(r,n),e,i);return c.x>=l&&(c.x-=l),c.x<=-l&&(c.x+=l),c.y>=l&&(c.y-=l),c.y<=l&&(c.y+=l),c.x-=s.offsetX,c.y-=s.offsetY,c}function g(t){return t.flipX!==t.flipY}function p(t,e,i,r,n){if(0!==t[e]){var o=t._getTransformedDimensions()[r],s=n/o*t[i];t.set(i,s)}}function m(t,e,r,n){var o,s=e.target,a=s._getTransformedDimensions(0,s.skewY),l=d(e,e.originX,e.originY,r,n),c=Math.abs(2*l.x)-a.x,h=s.skewX;2>c?o=0:(o=H(Math.atan2(c/s.scaleX,a.y/s.scaleY)),e.originX===P&&e.originY===B&&(o=-o),e.originX===M&&e.originY===L&&(o=-o),g(s)&&(o=-o));var f=h!==o;if(f){var m=s._getTransformedDimensions().y;s.set("skewX",o),p(s,"skewY","scaleY","y",m),i("skewing",u(t,e,r,n))}return f}function v(t,e,r,n){var o,s=e.target,a=s._getTransformedDimensions(s.skewX,0),l=d(e,e.originX,e.originY,r,n),c=Math.abs(2*l.y)-a.y,h=s.skewY;2>c?o=0:(o=H(Math.atan2(c/s.scaleY,a.x/s.scaleX)),e.originX===P&&e.originY===B&&(o=-o),e.originX===M&&e.originY===L&&(o=-o),g(s)&&(o=-o));var f=h!==o;if(f){var m=s._getTransformedDimensions().x;s.set("skewY",o),p(s,"skewX","scaleX","x",m),i("skewing",u(t,e,r,n))}return f}function y(t,e,i,r){var n,o=e.target,s=o.skewX,a=e.originY;if(o.lockSkewingX)return!1;if(0===s){var l=d(e,j,j,i,r);n=l.x>0?P:M}else s>0&&(n=a===L?P:M),0>s&&(n=a===L?M:P),g(o)&&(n=n===P?M:P);e.originX=n;var c=f(m);return c(t,e,i,r)}function x(t,e,i,r){var n,o=e.target,s=o.skewY,a=e.originX;if(o.lockSkewingY)return!1;if(0===s){var l=d(e,j,j,i,r);n=l.y>0?L:B}else s>0&&(n=a===P?L:B),0>s&&(n=a===P?B:L),g(o)&&(n=n===L?B:L);e.originY=n;var c=f(v);return c(t,e,i,r)}function b(t,e,r,n){var o=e,s=o.target,a=s.translateToOriginPoint(s.getCenterPoint(),o.originX,o.originY);if(s.lockRotation)return!1;var l=Math.atan2(o.ey-a.y,o.ex-a.x),c=Math.atan2(n-a.y,r-a.x),h=H(c-l+o.theta),f=!0;if(s.snapAngle>0){var d=s.snapAngle,g=s.snapThreshold||d,p=Math.ceil(h/d)*d,m=Math.floor(h/d)*d;Math.abs(h-m)<g?h=m:Math.abs(h-p)<g&&(h=p)}return 0>h&&(h=360+h),h%=360,f=s.angle!==h,s.angle=h,f&&i("rotating",u(t,e,r,n)),f}function _(t,e,s,a,l){l=l||{};var c,h,f,g,p,m,v=e.target,y=v.lockScalingX,x=v.lockScalingY,b=l.by,_=r(t,v),S=o(v,b,_),C=e.gestureScale;if(S)return!1;if(C)h=e.scaleX*C,f=e.scaleY*C;else{if(c=d(e,e.originX,e.originY,s,a),p="y"!==b?W(c.x):1,m="x"!==b?W(c.y):1,e.signX||(e.signX=p),e.signY||(e.signY=m),v.lockScalingFlip&&(e.signX!==p||e.signY!==m))return!1;if(g=v._getTransformedDimensions(),_&&!b){var T,w=Math.abs(c.x)+Math.abs(c.y),O=e.original,F=Math.abs(g.x*O.scaleX/v.scaleX)+Math.abs(g.y*O.scaleY/v.scaleY),D=w/F;h=O.scaleX*D,f=O.scaleY*D}else h=Math.abs(c.x*v.scaleX/g.x),f=Math.abs(c.y*v.scaleY/g.y);n(e)&&(h*=2,f*=2),e.signX!==p&&"y"!==b&&(e.originX=R[e.originX],h*=-1,e.signX=p),e.signY!==m&&"x"!==b&&(e.originY=R[e.originY],f*=-1,e.signY=m)}var E=v.scaleX,A=v.scaleY;return b?("x"===b&&v.set("scaleX",h),"y"===b&&v.set("scaleY",f)):(!y&&v.set("scaleX",h),!x&&v.set("scaleY",f)),T=E!==v.scaleX||A!==v.scaleY,T&&i("scaling",u(t,e,s,a)),T}function S(t,e,i,r){return _(t,e,i,r)}function C(t,e,i,r){return _(t,e,i,r,{by:"x"})}function T(t,e,i,r){return _(t,e,i,r,{by:"y"})}function w(t,e,i,r){return t[e.target.canvas.altActionKey]?I.skewHandlerX(t,e,i,r):I.scalingY(t,e,i,r)}function O(t,e,i,r){return t[e.target.canvas.altActionKey]?I.skewHandlerY(t,e,i,r):I.scalingX(t,e,i,r)}function F(t,e,r,o){var s,a=e.target,l=d(e,e.originX,e.originY,r,o),c=a.strokeWidth/(a.strokeUniform?a.scaleX:1),h=n(e)?2:1,f=a.width,g=Math.abs(l.x*h/a.scaleX)-c;return a.set("width",Math.max(g,0)),s=f!==g,s&&i("resizing",u(t,e,r,o)),s}function D(t,e,r,n){var o=e.target,s=r-e.offsetX,a=n-e.offsetY,l=!o.get("lockMovementX")&&o.left!==s,c=!o.get("lockMovementY")&&o.top!==a;return l&&o.set("left",s),c&&o.set("top",a),(l||c)&&i("moving",u(t,e,r,n)),l||c}var E=t.fabric||(t.fabric={}),A=["e","se","s","sw","w","nw","n","ne","e"],k=["ns","nesw","ew","nwse"],I={},P="left",L="top",M="right",B="bottom",j="center",R={top:B,bottom:L,left:M,right:P,center:j},H=E.util.radiansToDegrees,W=Math.sign||function(t){return(t>0)-(0>t)||+t};I.scaleCursorStyleHandler=s,I.skewCursorStyleHandler=a,I.scaleSkewCursorStyleHandler=l,I.rotationWithSnapping=f(b),I.scalingEqually=f(S),I.scalingX=f(C),I.scalingY=f(T),I.scalingYOrSkewingX=w,I.scalingXOrSkewingY=O,I.changeWidth=f(F),I.skewHandlerX=y,I.skewHandlerY=x,I.dragHandler=D,I.scaleOrSkewActionName=c,I.rotationStyleHandler=h,I.fireEvent=i,I.wrapWithFixedAnchor=f,I.getLocalPoint=d,E.controlsUtils=I}("undefined"!=typeof exports?exports:this);!function(t){"use strict";function e(t,e,i,r,n){r=r||{};var o,s=this.sizeX||r.cornerSize||n.cornerSize,a=this.sizeY||r.cornerSize||n.cornerSize,l="undefined"!=typeof r.transparentCorners?r.transparentCorners:this.transparentCorners,c=l?"stroke":"fill",h=!l&&(r.cornerStrokeColor||n.cornerStrokeColor),u=e,f=i;t.save(),t.fillStyle=r.cornerColor||n.cornerColor,t.strokeStyle=r.cornerStrokeColor||n.cornerStrokeColor,s>a?(o=s,t.scale(1,a/s),f=i*s/a):a>s?(o=a,t.scale(s/a,1),u=e*a/s):o=s,t.lineWidth=1,t.beginPath(),t.arc(u,f,o/2,0,2*Math.PI,!1),t[c](),h&&t.stroke(),t.restore()}function i(t,e,i,r,o){r=r||{};var s=this.sizeX||r.cornerSize||o.cornerSize,a=this.sizeY||r.cornerSize||o.cornerSize,l="undefined"!=typeof r.transparentCorners?r.transparentCorners:o.transparentCorners,c=l?"stroke":"fill",h=!l&&(r.cornerStrokeColor||o.cornerStrokeColor),u=s/2,f=a/2;t.save(),t.fillStyle=r.cornerColor||o.cornerColor,t.strokeStyle=r.cornerStrokeColor||o.cornerStrokeColor,t.lineWidth=1,t.translate(e,i),t.rotate(n(o.angle)),t[c+"Rect"](-u,-f,s,a),h&&t.strokeRect(-u,-f,s,a),t.restore()}var r=t.fabric||(t.fabric={}),n=r.util.degreesToRadians,o=r.controlsUtils;o.renderCircleControl=e,o.renderSquareControl=i}("undefined"!=typeof exports?exports:this);!function(t){"use strict";function e(t){for(var e in t)this[e]=t[e]}var i=t.fabric||(t.fabric={});i.Control=e,i.Control.prototype={visible:!0,actionName:"scale",angle:0,x:0,y:0,offsetX:0,offsetY:0,sizeX:null,sizeY:null,touchSizeX:null,touchSizeY:null,cursorStyle:"crosshair",withConnection:!1,actionHandler:function(){},mouseDownHandler:function(){},mouseUpHandler:function(){},getActionHandler:function(){return this.actionHandler},getMouseDownHandler:function(){return this.mouseDownHandler},getMouseUpHandler:function(){return this.mouseUpHandler},cursorStyleHandler:function(t,e){return e.cursorStyle},getActionName:function(t,e){return e.actionName},getVisibility:function(t,e){var i=t._controlsVisibility;return i&&"undefined"!=typeof i[e]?i[e]:this.visible},setVisibility:function(t){this.visible=t},positionHandler:function(t,e){var r=i.util.transformPoint({x:this.x*t.x+this.offsetX,y:this.y*t.y+this.offsetY},e);return r},calcCornerCoords:function(t,e,r,n,o){var s,a,l,c,h=o?this.touchSizeX:this.sizeX,u=o?this.touchSizeY:this.sizeY;if(h&&u&&h!==u){var f=Math.atan2(u,h),d=Math.sqrt(h*h+u*u)/2,g=f-i.util.degreesToRadians(t),p=Math.PI/2-f-i.util.degreesToRadians(t);s=d*i.util.cos(g),a=d*i.util.sin(g),l=d*i.util.cos(p),c=d*i.util.sin(p)}else{var m=h&&u?h:e;d=.7071067812*m;var g=i.util.degreesToRadians(45-t);s=l=d*i.util.cos(g),a=c=d*i.util.sin(g)}return{tl:{x:r-c,y:n-l},tr:{x:r+s,y:n-a},bl:{x:r-s,y:n+a},br:{x:r+c,y:n+l}}},render:function(t,e,r,n,o){switch(n=n||{},n.cornerStyle||o.cornerStyle){case"circle":i.controlsUtils.renderCircleControl.call(this,t,e,r,n,o);break;default:i.controlsUtils.renderSquareControl.call(this,t,e,r,n,o)}}}}("undefined"!=typeof exports?exports:this);!function(){function t(t,e){var i,r,n,o,s=t.getAttribute("style"),a=t.getAttribute("offset")||0;if(a=parseFloat(a)/(/%$/.test(a)?100:1),a=0>a?0:a>1?1:a,s){var h=s.split(/\s*;\s*/);for(""===h[h.length-1]&&h.pop(),o=h.length;o--;){var c=h[o].split(/\s*:\s*/),l=c[0].trim(),f=c[1].trim();"stop-color"===l?i=f:"stop-opacity"===l&&(n=f)}}return i||(i=t.getAttribute("stop-color")||"rgb(0,0,0)"),n||(n=t.getAttribute("stop-opacity")),i=new fabric.Color(i),r=i.getAlpha(),n=isNaN(parseFloat(n))?1:parseFloat(n),n*=r*e,{offset:a,color:i.toRgb(),opacity:n}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function r(t,e,i,r){var n,o;Object.keys(e).forEach(function(t){n=e[t],"Infinity"===n?o=1:"-Infinity"===n?o=0:(o=parseFloat(e[t],10),"string"==typeof n&&/^(\d+\.\d+)%|(\d+)%$/.test(n)&&(o*=.01,"pixels"===r&&(("x1"===t||"x2"===t||"r2"===t)&&(o*=i.viewBoxWidth||i.width),("y1"===t||"y2"===t)&&(o*=i.viewBoxHeight||i.height)))),e[t]=o})}var n=fabric.util.object.clone;fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,gradientTransform:null,gradientUnits:"pixels",type:"linear",initialize:function(t){t||(t={}),t.coords||(t.coords={});var e,i=this;Object.keys(t).forEach(function(e){i[e]=t[e]}),this.id?this.id+="_"+fabric.Object.__uid++:this.id=fabric.Object.__uid++,e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice()},addColorStop:function(t){for(var e in t){var i=new fabric.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientUnits:this.gradientUnits,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return fabric.util.populateWithProperties(this,e,t),e},toSVG:function(t,e){var i,r,o,s,a=n(this.coords,!0),e=e||{},h=n(this.colorStops,!0),c=a.r1>a.r2,l=this.gradientTransform?this.gradientTransform.concat():fabric.iMatrix.concat(),f=-this.offsetX,u=-this.offsetY,d=!!e.additionalTransform,g="pixels"===this.gradientUnits?"userSpaceOnUse":"objectBoundingBox";if(h.sort(function(t,e){return t.offset-e.offset}),"objectBoundingBox"===g?(f/=t.width,u/=t.height):(f+=t.width/2,u+=t.height/2),"path"===t.type&&"percentage"!==this.gradientUnits&&(f-=t.pathOffset.x,u-=t.pathOffset.y),l[4]-=f,l[5]-=u,s='id="SVGID_'+this.id+'" gradientUnits="'+g+'"',s+=' gradientTransform="'+(d?e.additionalTransform+" ":"")+fabric.util.matrixToSVG(l)+'" ',"linear"===this.type?o=["<linearGradient ",s,' x1="',a.x1,'" y1="',a.y1,'" x2="',a.x2,'" y2="',a.y2,'">\n']:"radial"===this.type&&(o=["<radialGradient ",s,' cx="',c?a.x1:a.x2,'" cy="',c?a.y1:a.y2,'" r="',c?a.r1:a.r2,'" fx="',c?a.x2:a.x1,'" fy="',c?a.y2:a.y1,'">\n']),"radial"===this.type){if(c)for(h=h.concat(),h.reverse(),i=0,r=h.length;r>i;i++)h[i].offset=1-h[i].offset;var p=Math.min(a.r1,a.r2);if(p>0){var m=Math.max(a.r1,a.r2),v=p/m;for(i=0,r=h.length;r>i;i++)h[i].offset+=v*(1-h[i].offset)}}for(i=0,r=h.length;r>i;i++){var x=h[i];o.push("<stop ",'offset="',100*x.offset+"%",'" style="stop-color:',x.color,"undefined"!=typeof x.opacity?";stop-opacity: "+x.opacity:";",'"/>\n')}return o.push("linear"===this.type?"</linearGradient>\n":"</radialGradient>\n"),o.join("")},toLive:function(t){var e,i,r,n=fabric.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(n.x1,n.y1,n.x2,n.y2):"radial"===this.type&&(e=t.createRadialGradient(n.x1,n.y1,n.r1,n.x2,n.y2,n.r2)),i=0,r=this.colorStops.length;r>i;i++){var o=this.colorStops[i].color,s=this.colorStops[i].opacity,a=this.colorStops[i].offset;"undefined"!=typeof s&&(o=new fabric.Color(o).setAlpha(s).toRgba()),e.addColorStop(a,o)}return e}}}),fabric.util.object.extend(fabric.Gradient,{fromElement:function(n,o,s,a){var h=parseFloat(s)/(/%$/.test(s)?100:1);h=0>h?0:h>1?1:h,isNaN(h)&&(h=1);var c,l,f,u,d=n.getElementsByTagName("stop"),g="userSpaceOnUse"===n.getAttribute("gradientUnits")?"pixels":"percentage",p=n.getAttribute("gradientTransform")||"",m=[],v=0,x=0;for("linearGradient"===n.nodeName||"LINEARGRADIENT"===n.nodeName?(c="linear",l=e(n)):(c="radial",l=i(n)),f=d.length;f--;)m.push(t(d[f],h));u=fabric.parseTransformAttribute(p),r(o,l,a,g),"pixels"===g&&(v=-o.left,x=-o.top);var b=new fabric.Gradient({id:n.getAttribute("id"),type:c,coords:l,colorStops:m,gradientUnits:g,gradientTransform:u,offsetX:v,offsetY:x});return b}})}();!function(){"use strict";var t=fabric.util.toFixed;fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,crossOrigin:"",patternTransform:null,initialize:function(t,e){if(t||(t={}),this.id=fabric.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!=typeof t.source)return void(e&&e(this));var i=this;this.source=fabric.util.createImage(),fabric.util.loadImage(t.source,function(t,r){i.source=t,e&&e(i,r)},null,this.crossOrigin)},toObject:function(e){var i,r,s=fabric.Object.NUM_FRACTION_DIGITS;return"string"==typeof this.source.src?i=this.source.src:"object"==typeof this.source&&this.source.toDataURL&&(i=this.source.toDataURL()),r={type:"pattern",source:i,repeat:this.repeat,crossOrigin:this.crossOrigin,offsetX:t(this.offsetX,s),offsetY:t(this.offsetY,s),patternTransform:this.patternTransform?this.patternTransform.concat():null},fabric.util.populateWithProperties(this,r,e),r},toSVG:function(t){var e="function"==typeof this.source?this.source():this.source,i=e.width/t.width,r=e.height/t.height,s=this.offsetX/t.width,o=this.offsetY/t.height,f="";return("repeat-x"===this.repeat||"no-repeat"===this.repeat)&&(r=1,o&&(r+=Math.abs(o))),("repeat-y"===this.repeat||"no-repeat"===this.repeat)&&(i=1,s&&(i+=Math.abs(s))),e.src?f=e.src:e.toDataURL&&(f=e.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+s+'" y="'+o+'" width="'+i+'" height="'+r+'">\n<image x="0" y="0" width="'+e.width+'" height="'+e.height+'" xlink:href="'+f+'"></image>\n</pattern>\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e=this.source;if(!e)return"";if("undefined"!=typeof e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}();!function(t){"use strict";var e=t.fabric||(t.fabric={}),o=e.util.toFixed;return e.Shadow?void e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,nonScaling:!1,initialize:function(t){"string"==typeof t&&(t=this._parseShadow(t));for(var o in t)this[o]=t[o];this.id=e.Object.__uid++},_parseShadow:function(t){var o=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(o)||[],i=o.replace(e.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(t){var r=40,i=40,f=e.Object.NUM_FRACTION_DIGITS,s=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),n=20,a=new e.Color(this.color);return t.width&&t.height&&(r=100*o((Math.abs(s.x)+this.blur)/t.width,f)+n,i=100*o((Math.abs(s.y)+this.blur)/t.height,f)+n),t.flipX&&(s.x*=-1),t.flipY&&(s.y*=-1),'<filter id="SVGID_'+this.id+'" y="-'+i+'%" height="'+(100+2*i)+'%" x="-'+r+'%" width="'+(100+2*r)+'%" >\n	<feGaussianBlur in="SourceAlpha" stdDeviation="'+o(this.blur?this.blur/2:0,f)+'"></feGaussianBlur>\n	<feOffset dx="'+o(s.x,f)+'" dy="'+o(s.y,f)+'" result="oBlur" ></feOffset>\n	<feFlood flood-color="'+a.toRgb()+'" flood-opacity="'+a.getAlpha()+'"/>\n	<feComposite in2="oBlur" operator="in" />\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,affectStroke:this.affectStroke,nonScaling:this.nonScaling};var t={},o=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke","nonScaling"].forEach(function(e){this[e]!==o[e]&&(t[e]=this[e])},this),t}}),void(e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/))}("undefined"!=typeof exports?exports:this);!function(){"use strict";if(fabric.StaticCanvas)return void fabric.warn("fabric.StaticCanvas is already defined.");var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=fabric.util.toFixed,n=fabric.util.transformPoint,o=fabric.util.invertTransform,s=fabric.util.getNodeCanvas,a=fabric.util.createCanvasElement,c=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,clipPath:void 0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){if(this._isRetinaScaling()){var t=fabric.devicePixelRatio;this.__initRetinaScaling(t,this.lowerCanvasEl,this.contextContainer),this.upperCanvasEl&&this.__initRetinaScaling(t,this.upperCanvasEl,this.contextTop)}},__initRetinaScaling:function(t,e,i){e.setAttribute("width",this.width*t),e.setAttribute("height",this.height*t),i.scale(t,t)},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e,n){if(e){var o=new fabric.Image(e,r);this[t]=o,o.canvas=this}i&&i(e,n)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,e&&(e.canvas=this),i&&i(e,!1)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(){var t=a();if(!t)throw c;if(t.style||(t.style={}),"undefined"==typeof t.getContext)throw c;return t},_initOptions:function(t){var e=this.lowerCanvasEl;this._setOptions(t),this.width=this.width||parseInt(e.width,10)||0,this.height=this.height||parseInt(e.height,10)||0,this.lowerCanvasEl.style&&(e.width=this.width,e.height=this.height,e.style.width=this.width+"px",e.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){this.lowerCanvasEl=t&&t.getContext?t:fabric.util.getById(t)||this._createCanvasElement(),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(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;e=e||{};for(var r in t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px",this.hasLostContext=!0),e.backstoreOnly||this._setCssDimension(r,i);return this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles(),this._initRetinaScaling(),this.calcOffset(),e.cssOnly||this.requestRenderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i,r,n=this._activeObject,o=this.backgroundImage,s=this.overlayImage;for(this.viewportTransform=t,i=0,r=this._objects.length;r>i;i++)e=this._objects[i],e.group||e.setCoords(!0);return n&&n.setCoords(),o&&o.setCoords(!0),s&&s.setCoords(!0),this.calcViewportBoundaries(),this.renderOnAddRemove&&this.requestRenderAll(),this},zoomToPoint:function(t,e){var i=t,r=this.viewportTransform.slice(0);t=n(t,o(this.viewportTransform)),r[0]=e,r[3]=e;var s=n(t,r);return r[4]+=i.x-s.x,r[5]+=i.y-s.y,this.setViewportTransform(r)},setZoom:function(t){return this.zoomToPoint(new fabric.Point(0,0),t),this},absolutePan:function(t){var e=this.viewportTransform.slice(0);return e[4]=-t.x,e[5]=-t.y,this.setViewportTransform(e)},relativePan:function(t){return this.absolutePan(new fabric.Point(-t.x-this.viewportTransform[4],-t.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},_onObjectAdded:function(t){this.stateful&&t.setupState(),t._set("canvas",this),t.setCoords(),this.fire("object:added",{target:t}),t.fire("added")},_onObjectRemoved:function(t){this.fire("object:removed",{target:t}),t.fire("removed"),delete t.canvas},clearContext:function(t){return t.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.backgroundImage=null,this.overlayImage=null,this.backgroundColor="",this.overlayColor="",this._hasITextHandlers&&(this.off("mouse:up",this._mouseUpITextHandler),this._iTextInstances=null,this._hasITextHandlers=!1),this.clearContext(this.contextContainer),this.fire("canvas:cleared"),this.renderOnAddRemove&&this.requestRenderAll(),this},renderAll:function(){var t=this.contextContainer;return this.renderCanvas(t,this._objects),this},renderAndReset:function(){this.isRendering=0,this.renderAll()},requestRenderAll:function(){return this.isRendering||(this.isRendering=fabric.util.requestAnimFrame(this.renderAndResetBound)),this},calcViewportBoundaries:function(){var t={},e=this.width,i=this.height,r=o(this.viewportTransform);return t.tl=n({x:0,y:0},r),t.br=n({x:e,y:i},r),t.tr=new fabric.Point(t.br.x,t.tl.y),t.bl=new fabric.Point(t.tl.x,t.br.y),this.vptCoords=t,t},cancelRequestedRender:function(){this.isRendering&&(fabric.util.cancelAnimFrame(this.isRendering),this.isRendering=0)},renderCanvas:function(t,e){var i=this.viewportTransform,r=this.clipPath;this.cancelRequestedRender(),this.calcViewportBoundaries(),this.clearContext(t),fabric.util.setImageSmoothing(t,this.imageSmoothingEnabled),this.fire("before:render",{ctx:t}),this._renderBackground(t),t.save(),t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this._renderObjects(t,e),t.restore(),!this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),r&&(r.canvas=this,r.shouldCache(),r._transformDone=!0,r.renderCache({forClipping:!0}),this.drawClipPathOnCanvas(t)),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render",{ctx:t})},drawClipPathOnCanvas:function(t){var e=this.viewportTransform,i=this.clipPath;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.globalCompositeOperation="destination-in",i.transform(t),t.scale(1/i.zoomX,1/i.zoomY),t.drawImage(i._cacheCanvas,-i.cacheTranslationX,-i.cacheTranslationY),t.restore()},_renderObjects:function(t,e){var i,r;for(i=0,r=e.length;r>i;++i)e[i]&&e[i].render(t)},_renderBackgroundOrOverlay:function(t,e){var i=this[e+"Color"],r=this[e+"Image"],n=this.viewportTransform,o=this[e+"Vpt"];if(i||r){if(i){t.save(),t.beginPath(),t.moveTo(0,0),t.lineTo(this.width,0),t.lineTo(this.width,this.height),t.lineTo(0,this.height),t.closePath(),t.fillStyle=i.toLive?i.toLive(t,this):i,o&&t.transform(n[0],n[1],n[2],n[3],n[4],n[5]),t.transform(1,0,0,1,i.offsetX||0,i.offsetY||0);var s=i.gradientTransform||i.patternTransform;s&&t.transform(s[0],s[1],s[2],s[3],s[4],s[5]),t.fill(),t.restore()}r&&(t.save(),o&&t.transform(n[0],n[1],n[2],n[3],n[4],n[5]),r.render(t),t.restore())}},_renderBackground:function(t){this._renderBackgroundOrOverlay(t,"background")},_renderOverlay:function(t){this._renderBackgroundOrOverlay(t,"overlay")},getCenter:function(){return{top:this.height/2,left:this.width/2}},centerObjectH:function(t){return this._centerObject(t,new fabric.Point(this.getCenter().left,t.getCenterPoint().y))},centerObjectV:function(t){return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,this.getCenter().top))},centerObject:function(t){var e=this.getCenter();return this._centerObject(t,new fabric.Point(e.left,e.top))},viewportCenterObject:function(t){var e=this.getVpCenter();return this._centerObject(t,e)},viewportCenterObjectH:function(t){var e=this.getVpCenter();return this._centerObject(t,new fabric.Point(e.x,t.getCenterPoint().y)),this},viewportCenterObjectV:function(t){var e=this.getVpCenter();return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,e.y))},getVpCenter:function(){var t=this.getCenter(),e=o(this.viewportTransform);return n({x:t.left,y:t.top},e)},_centerObject:function(t,e){return t.setPositionByOrigin(e,"center","center"),t.setCoords(),this.renderOnAddRemove&&this.requestRenderAll(),this},toDatalessJSON:function(t){return this.toDatalessObject(t)},toObject:function(t){return this._toObjectMethod("toObject",t)},toDatalessObject:function(t){return this._toObjectMethod("toDatalessObject",t)},_toObjectMethod:function(e,i){var r=this.clipPath,n={version:fabric.version,objects:this._toObjects(e,i)};return r&&(n.clipPath=this._toObject(this.clipPath,e,i)),t(n,this.__serializeBgOverlay(e,i)),fabric.util.populateWithProperties(this,n,i),n},_toObjects:function(t,e){return this._objects.filter(function(t){return!t.excludeFromExport}).map(function(i){return this._toObject(i,t,e)},this)},_toObject:function(t,e,i){var r;this.includeDefaultValues||(r=t.includeDefaultValues,t.includeDefaultValues=!1);var n=t[e](i);return this.includeDefaultValues||(t.includeDefaultValues=r),n},__serializeBgOverlay:function(t,e){var i={},r=this.backgroundImage,n=this.overlayImage;return this.backgroundColor&&(i.background=this.backgroundColor.toObject?this.backgroundColor.toObject(e):this.backgroundColor),this.overlayColor&&(i.overlay=this.overlayColor.toObject?this.overlayColor.toObject(e):this.overlayColor),r&&!r.excludeFromExport&&(i.backgroundImage=this._toObject(r,t,e)),n&&!n.excludeFromExport&&(i.overlayImage=this._toObject(n,t,e)),i},svgViewportTransformation:!0,toSVG:function(t,e){t||(t={}),t.reviver=e;var i=[];return this._setSVGPreamble(i,t),this._setSVGHeader(i,t),this.clipPath&&i.push('<g clip-path="url(#'+this.clipPath.clipPathId+')" >\n'),this._setSVGBgOverlayColor(i,"background"),this._setSVGBgOverlayImage(i,"backgroundImage",e),this._setSVGObjects(i,e),this.clipPath&&i.push("</g>\n"),this._setSVGBgOverlayColor(i,"overlay"),this._setSVGBgOverlayImage(i,"overlayImage",e),i.push("</svg>"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('<?xml version="1.0" encoding="',e.encoding||"UTF-8",'" standalone="no" ?>\n','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(t,e){var i,n=e.width||this.width,o=e.height||this.height,s='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?s='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,s='viewBox="'+r(-i[4]/i[0],a)+" "+r(-i[5]/i[3],a)+" "+r(this.width/i[0],a)+" "+r(this.height/i[3],a)+'" '),t.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',n,'" ','height="',o,'" ',s,'xml:space="preserve">\n',"<desc>Created with Fabric.js ",fabric.version,"</desc>\n","<defs>\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),this.createSVGClipPathMarkup(e),"</defs>\n")},createSVGClipPathMarkup:function(t){var e=this.clipPath;return e?(e.clipPathId="CLIPPATH_"+fabric.Object.__uid++,'<clipPath id="'+e.clipPathId+'" >\n'+this.clipPath.toClipPathSVG(t.reviver)+"</clipPath>\n"):""},createSVGRefElementsMarkup:function(){var t=this,e=["background","overlay"].map(function(e){var i=t[e+"Color"];if(i&&i.toLive){var r=t[e+"Vpt"],n=t.viewportTransform,o={width:t.width/(r?n[0]:1),height:t.height/(r?n[3]:1)};return i.toSVG(o,{additionalTransform:r?fabric.util.matrixToSVG(n):""})}});return e.join("")},createSVGFontFacesMarkup:function(){var t,e,i,r,n,o,s,a,c,l="",h={},u=fabric.fontPaths,f=[];for(this._objects.forEach(function g(t){f.push(t),t._objects&&t._objects.forEach(g)}),a=0,c=f.length;c>a;a++)if(t=f[a],e=t.fontFamily,-1!==t.type.indexOf("text")&&!h[e]&&u[e]&&(h[e]=!0,t.styles)){i=t.styles;for(n in i){r=i[n];for(s in r)o=r[s],e=o.fontFamily,!h[e]&&u[e]&&(h[e]=!0)}}for(var d in h)l+=["		@font-face {\n","			font-family: '",d,"';\n","			src: url('",u[d],"');\n","		}\n"].join("");return l&&(l=['	<style type="text/css">',"<![CDATA[\n",l,"]]>","</style>\n"].join("")),l},_setSVGObjects:function(t,e){var i,r,n,o=this._objects;for(r=0,n=o.length;n>r;r++)i=o[r],i.excludeFromExport||this._setSVGObject(t,i,e)},_setSVGObject:function(t,e,i){t.push(e.toSVG(i))},_setSVGBgOverlayImage:function(t,e,i){this[e]&&!this[e].excludeFromExport&&this[e].toSVG&&t.push(this[e].toSVG(i))},_setSVGBgOverlayColor:function(t,e){var i=this[e+"Color"],r=this.viewportTransform,n=this.width,o=this.height;if(i)if(i.toLive){var s=i.repeat,a=fabric.util.invertTransform(r),c=this[e+"Vpt"],l=c?fabric.util.matrixToSVG(a):"";t.push('<rect transform="'+l+" translate(",n/2,",",o/2,')"',' x="',i.offsetX-n/2,'" y="',i.offsetY-o/2,'" ','width="',"repeat-y"===s||"no-repeat"===s?i.source.width:n,'" height="',"repeat-x"===s||"no-repeat"===s?i.source.height:o,'" fill="url(#SVGID_'+i.id+')"',"></rect>\n")}else t.push('<rect x="0" y="0" width="100%" height="100%" ','fill="',i,'"',"></rect>\n")},sendToBack:function(t){if(!t)return this;var e,r,n,o=this._activeObject;if(t===o&&"activeSelection"===t.type)for(n=o._objects,e=n.length;e--;)r=n[e],i(this._objects,r),this._objects.unshift(r);else i(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,r,n,o=this._activeObject;if(t===o&&"activeSelection"===t.type)for(n=o._objects,e=0;e<n.length;e++)r=n[e],i(this._objects,r),this._objects.push(r);else i(this._objects,t),this._objects.push(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},sendBackwards:function(t,e){if(!t)return this;var r,n,o,s,a,c=this._activeObject,l=0;if(t===c&&"activeSelection"===t.type)for(a=c._objects,r=0;r<a.length;r++)n=a[r],o=this._objects.indexOf(n),o>0+l&&(s=o-1,i(this._objects,n),this._objects.splice(s,0,n)),l++;else o=this._objects.indexOf(t),0!==o&&(s=this._findNewLowerIndex(t,o,e),i(this._objects,t),this._objects.splice(s,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewLowerIndex:function(t,e,i){var r,n;if(i)for(r=e,n=e-1;n>=0;--n){var o=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(o){r=n;break}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var r,n,o,s,a,c=this._activeObject,l=0;if(t===c&&"activeSelection"===t.type)for(a=c._objects,r=a.length;r--;)n=a[r],o=this._objects.indexOf(n),o<this._objects.length-1-l&&(s=o+1,i(this._objects,n),this._objects.splice(s,0,n)),l++;else o=this._objects.indexOf(t),o!==this._objects.length-1&&(s=this._findNewUpperIndex(t,o,e),i(this._objects,t),this._objects.splice(s,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewUpperIndex:function(t,e,i){var r,n,o;if(i)for(r=e,n=e+1,o=this._objects.length;o>n;++n){var s=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(s){r=n;break}}else r=e+1;return r},moveTo:function(t,e){return i(this._objects,t),this._objects.splice(e,0,t),this.renderOnAddRemove&&this.requestRenderAll()},dispose:function(){return this.isRendering&&(fabric.util.cancelAnimFrame(this.isRendering),this.isRendering=0),this.forEachObject(function(t){t.dispose&&t.dispose()}),this._objects=[],this.backgroundImage&&this.backgroundImage.dispose&&this.backgroundImage.dispose(),this.backgroundImage=null,this.overlayImage&&this.overlayImage.dispose&&this.overlayImage.dispose(),this.overlayImage=null,this._iTextInstances=null,this.contextContainer=null,fabric.util.cleanUpJsdomNode(this.lowerCanvasEl),this.lowerCanvasEl=void 0,this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this._objects.length+" }>"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=a();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"setLineDash":return"undefined"!=typeof i.setLineDash;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject,fabric.isLikelyNode&&(fabric.StaticCanvas.prototype.createPNGStream=function(){var t=s(this.lowerCanvasEl);return t&&t.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){var e=s(this.lowerCanvasEl);return e&&e.createJPEGStream(t)})}();fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,limitedToCanvasSize:!1,_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.miterLimit=this.strokeMiterLimit,t.lineJoin=this.strokeLineJoin,fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray||[])},_saveAndTransform:function(t){var e=this.canvas.viewportTransform;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5])},_setShadow:function(){if(this.shadow){var t=this.canvas,e=this.shadow,i=t.contextTop,r=t.getZoom();t&&t._isRetinaScaling()&&(r*=fabric.devicePixelRatio),i.shadowColor=e.color,i.shadowBlur=e.blur*r,i.shadowOffsetX=e.offsetX*r,i.shadowOffsetY=e.offsetY*r}},needsFullRender:function(){var t=new fabric.Color(this.color);return t.getAlpha()<1||!!this.shadow},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0},_isOutSideCanvas:function(t){return t.x<0||t.x>this.canvas.getWidth()||t.y<0||t.y>this.canvas.getHeight()}});!function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{decimate:.4,initialize:function(t){this.canvas=t,this._points=[]},_drawSegment:function(t,e,i){var r=e.midPointFrom(i);return t.quadraticCurveTo(e.x,e.y,r.x,r.y),r},onMouseDown:function(t,e){this.canvas._isMainEvent(e.e)&&(this._prepareForDrawing(t),this._captureDrawingPath(t),this._render())},onMouseMove:function(t,e){if(this.canvas._isMainEvent(e.e)&&(this.limitedToCanvasSize!==!0||!this._isOutSideCanvas(t))&&this._captureDrawingPath(t)&&this._points.length>1)if(this.needsFullRender())this.canvas.clearContext(this.canvas.contextTop),this._render();else{var i=this._points,r=i.length,n=this.canvas.contextTop;this._saveAndTransform(n),this.oldEnd&&(n.beginPath(),n.moveTo(this.oldEnd.x,this.oldEnd.y)),this.oldEnd=this._drawSegment(n,i[r-2],i[r-1],!0),n.stroke(),n.restore()}},onMouseUp:function(t){return this.canvas._isMainEvent(t.e)?(this.oldEnd=void 0,this._finalizeAndAddPath(),!1):!0},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){return this._points.length>1&&t.eq(this._points[this._points.length-1])?!1:(this._points.push(t),!0)},_reset:function(){this._points=[],this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);return this._addPoint(e)},_render:function(){var t,e,i=this.canvas.contextTop,r=this._points[0],n=this._points[1];if(this._saveAndTransform(i),i.beginPath(),2===this._points.length&&r.x===n.x&&r.y===n.y){var o=this.width/1e3;r=new fabric.Point(r.x,r.y),n=new fabric.Point(n.x,n.y),r.x-=o,n.x+=o}for(i.moveTo(r.x,r.y),t=1,e=this._points.length;e>t;t++)this._drawSegment(i,r,n),r=this._points[t],n=this._points[t+1];i.lineTo(r.x,r.y),i.stroke(),i.restore()},convertPointsToSVGPath:function(t){var e,i=[],r=this.width/1e3,n=new fabric.Point(t[0].x,t[0].y),o=new fabric.Point(t[1].x,t[1].y),s=t.length,a=1,c=0,h=s>2;for(h&&(a=t[2].x<o.x?-1:t[2].x===o.x?0:1,c=t[2].y<o.y?-1:t[2].y===o.y?0:1),i.push("M ",n.x-a*r," ",n.y-c*r," "),e=1;s>e;e++){if(!n.eq(o)){var l=n.midPointFrom(o);i.push("Q ",n.x," ",n.y," ",l.x," ",l.y," ")}n=t[e],e+1<t.length&&(o=t[e+1])}return h&&(a=n.x>t[e-2].x?1:n.x===t[e-2].x?0:-1,c=n.y>t[e-2].y?1:n.y===t[e-2].y?0:-1),i.push("L ",n.x+a*r," ",n.y+c*r),i},createPath:function(t){var e=new fabric.Path(t,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeMiterLimit:this.strokeMiterLimit,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray});return this.shadow&&(this.shadow.affectStroke=!0,e.shadow=new fabric.Shadow(this.shadow)),e},decimatePoints:function(t,e){if(t.length<=2)return t;var i,r,n=this.canvas.getZoom(),o=Math.pow(e/n,2),s=t.length-1,a=t[0],c=[a];for(i=1;s>i;i++)r=Math.pow(a.x-t[i].x,2)+Math.pow(a.y-t[i].y,2),r>=o&&(a=t[i],c.push(a));return 1===c.length&&c.push(new fabric.Point(c[0].x,c[0].y)),c},_finalizeAndAddPath:function(){var t=this.canvas.contextTop;t.closePath(),this.decimate&&(this._points=this.decimatePoints(this._points,this.decimate));var e=this.convertPointsToSVGPath(this._points).join("");if("M 0 0 Q 0 0 0 0 L 0 0"===e)return void this.canvas.requestRenderAll();var i=this.createPath(e);this.canvas.clearContext(this.canvas.contextTop),this.canvas.fire("before:path:created",{path:i}),this.canvas.add(i),this.canvas.requestRenderAll(),i.setCoords(),this._resetShadow(),this.canvas.fire("path:created",{path:i})}})}();fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(t){this.canvas=t,this.points=[]},drawDot:function(t){var e=this.addPoint(t),i=this.canvas.contextTop;this._saveAndTransform(i),this.dot(i,e),i.restore()},dot:function(t,e){t.fillStyle=e.fill,t.beginPath(),t.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),t.closePath(),t.fill()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},_render:function(){var t,e,i=this.canvas.contextTop,r=this.points;for(this._saveAndTransform(i),t=0,e=r.length;e>t;t++)this.dot(i,r[t]);i.restore()},onMouseMove:function(t){this.limitedToCanvasSize===!0&&this._isOutSideCanvas(t)||(this.needsFullRender()?(this.canvas.clearContext(this.canvas.contextTop),this.addPoint(t),this._render()):this.drawDot(t))},onMouseUp:function(){var t,e,i=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var r=[];for(t=0,e=this.points.length;e>t;t++){var n=this.points[t],o=new fabric.Circle({radius:n.radius,left:n.x,top:n.y,originX:"center",originY:"center",fill:n.fill});this.shadow&&(o.shadow=new fabric.Shadow(this.shadow)),r.push(o)}var s=new fabric.Group(r);s.canvas=this.canvas,this.canvas.fire("before:path:created",{path:s}),this.canvas.add(s),this.canvas.fire("path:created",{path:s}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=i,this.canvas.requestRenderAll()},addPoint:function(t){var e=new fabric.Point(t.x,t.y),i=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 e.radius=i,e.fill=r,this.points.push(e),e}});fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(t){this.canvas=t,this.sprayChunks=[]},onMouseDown:function(t){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(t),this.render(this.sprayChunkPoints)},onMouseMove:function(t){this.limitedToCanvasSize===!0&&this._isOutSideCanvas(t)||(this.addSprayChunk(t),this.render(this.sprayChunkPoints))},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,r=this.sprayChunks.length;r>i;i++)for(var n=this.sprayChunks[i],o=0,s=n.length;s>o;o++){var a=new fabric.Rect({width:n[o].width,height:n[o].width,left:n[o].x+1,top:n[o].y+1,originX:"center",originY:"center",fill:this.color});e.push(a)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var c=new fabric.Group(e);this.shadow&&c.set("shadow",new fabric.Shadow(this.shadow)),this.canvas.fire("before:path:created",{path:c}),this.canvas.add(c),this.canvas.fire("path:created",{path:c}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=t,this.canvas.requestRenderAll()},_getOptimizedRects:function(t){var e,i,r,n={};for(i=0,r=t.length;r>i;i++)e=t[i].left+""+t[i].top,n[e]||(n[e]=t[i]);var o=[];for(e in n)o.push(n[e]);return o},render:function(t){var e,i,r=this.canvas.contextTop;for(r.fillStyle=this.color,this._saveAndTransform(r),e=0,i=t.length;i>e;e++){var n=t[e];"undefined"!=typeof n.opacity&&(r.globalAlpha=n.opacity),r.fillRect(n.x,n.y,n.width,n.width)}r.restore()},_render:function(){var t,e,i=this.canvas.contextTop;for(i.fillStyle=this.color,this._saveAndTransform(i),t=0,e=this.sprayChunks.length;e>t;t++)this.render(this.sprayChunks[t]);i.restore()},addSprayChunk:function(t){this.sprayChunkPoints=[];var e,i,r,n,o=this.width/2;for(n=0;n<this.density;n++){e=fabric.util.getRandomInt(t.x-o,t.x+o),i=fabric.util.getRandomInt(t.y-o,t.y+o),r=this.dotWidthVariance?fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var s=new fabric.Point(e,i);s.width=r,this.randomOpacity&&(s.opacity=fabric.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(s)}this.sprayChunks.push(this.sprayChunkPoints)}});fabric.PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var t=20,e=5,i=fabric.util.createCanvasElement(),r=i.getContext("2d");return i.width=i.height=t+e,r.fillStyle=this.color,r.beginPath(),r.arc(t/2,t/2,t/2,0,2*Math.PI,!1),r.closePath(),r.fill(),i},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(t){var e=this.callSuper("createPath",t),i=e._getLeftTopCoords().scalarAdd(e.strokeWidth/2);return e.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-i.x,offsetY:-i.y}),e}});!function(){var t=fabric.util.getPointer,e=fabric.util.degreesToRadians,i=Math.abs,r=fabric.StaticCanvas.supports("setLineDash"),n=fabric.util.isTouchEvent,s=.5;fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e),this._initInteractive(),this._createCacheCanvas()},uniformScaling:!0,uniScaleKey:"shiftKey",centeredScaling:!1,centeredRotation:!1,centeredKey:"altKey",altActionKey:"shiftKey",interactive:!0,selection:!0,selectionKey:"shiftKey",altSelectionKey:null,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,selectionFullyContained:!1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",rotationCursor:"crosshair",notAllowedCursor:"not-allowed",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,isDrawingMode:!1,preserveObjectStacking:!1,snapAngle:0,snapThreshold:null,stopContextMenu:!1,fireRightClick:!1,fireMiddleClick:!1,targets:[],_hoveredTarget:null,_hoveredTargets:[],_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEventListeners(),this._initRetinaScaling(),this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this),this.calcOffset()},_chooseObjectsToRender:function(){var t,e,i,r=this.getActiveObjects();if(r.length>0&&!this.preserveObjectStacking){e=[],i=[];for(var n=0,s=this._objects.length;s>n;n++)t=this._objects[n],-1===r.indexOf(t)?e.push(t):i.push(t);r.length>1&&(this._activeObject._objects=i),e.push.apply(e,i)}else e=this._objects;return e},renderAll:function(){!this.contextTopDirty||this._groupSelector||this.isDrawingMode||(this.clearContext(this.contextTop),this.contextTopDirty=!1),this.hasLostContext&&this.renderTopLayer(this.contextTop);var t=this.contextContainer;return this.renderCanvas(t,this._chooseObjectsToRender()),this},renderTopLayer:function(t){t.save(),this.isDrawingMode&&this._isCurrentlyDrawing&&(this.freeDrawingBrush&&this.freeDrawingBrush._render(),this.contextTopDirty=!0),this.selection&&this._groupSelector&&(this._drawSelection(t),this.contextTopDirty=!0),t.restore()},renderTop:function(){var t=this.contextTop;return this.clearContext(t),this.renderTopLayer(t),this.fire("after:render"),this},_normalizePointer:function(t,e){var i=t.calcTransformMatrix(),r=fabric.util.invertTransform(i),n=this.restorePointerVpt(e);return fabric.util.transformPoint(n,r)},isTargetTransparent:function(t,e,i){if(t.shouldCache()&&t._cacheCanvas&&t!==this._activeObject){var r=this._normalizePointer(t,{x:e,y:i}),n=Math.max(t.cacheTranslationX+r.x*t.zoomX,0),s=Math.max(t.cacheTranslationY+r.y*t.zoomY,0),o=fabric.util.isTransparent(t._cacheContext,Math.round(n),Math.round(s),this.targetFindTolerance);return o}var a=this.contextCache,c=t.selectionBackgroundColor,h=this.viewportTransform;t.selectionBackgroundColor="",this.clearContext(a),a.save(),a.transform(h[0],h[1],h[2],h[3],h[4],h[5]),t.render(a),a.restore(),t.selectionBackgroundColor=c;var o=fabric.util.isTransparent(a,e,i,this.targetFindTolerance);return o},_isSelectionKeyPressed:function(t){var e=!1;return e="[object Array]"===Object.prototype.toString.call(this.selectionKey)?!!this.selectionKey.find(function(e){return t[e]===!0}):t[this.selectionKey]},_shouldClearSelection:function(t,e){var i=this.getActiveObjects(),r=this._activeObject;return!e||e&&r&&i.length>1&&-1===i.indexOf(e)&&r!==e&&!this._isSelectionKeyPressed(t)||e&&!e.evented||e&&!e.selectable&&r&&r!==e},_shouldCenterTransform:function(t,e,i){if(t){var r;return"scale"===e||"scaleX"===e||"scaleY"===e||"resizing"===e?r=this.centeredScaling||t.centeredScaling:"rotate"===e&&(r=this.centeredRotation||t.centeredRotation),r?!i:i}},_getOriginFromCorner:function(t,e){var i={x:t.originX,y:t.originY};return"ml"===e||"tl"===e||"bl"===e?i.x="right":("mr"===e||"tr"===e||"br"===e)&&(i.x="left"),"tl"===e||"mt"===e||"tr"===e?i.y="bottom":("bl"===e||"mb"===e||"br"===e)&&(i.y="top"),i},_getActionFromCorner:function(t,e,i,r){if(!e||!t)return"drag";var n=r.controls[e];return n.getActionName(i,n,r)},_setupCurrentTransform:function(t,i,r){if(i){var n=this.getPointer(t),s=i.__corner,o=i.controls[s],a=r&&s?o.getActionHandler(t,i,o):fabric.controlsUtils.dragHandler,c=this._getActionFromCorner(r,s,t,i),h=this._getOriginFromCorner(i,s),l=t[this.centeredKey],u={target:i,action:c,actionHandler:a,corner:s,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,offsetX:n.x-i.left,offsetY:n.y-i.top,originX:h.x,originY:h.y,ex:n.x,ey:n.y,lastX:n.x,lastY:n.y,theta:e(i.angle),width:i.width*i.scaleX,shiftKey:t.shiftKey,altKey:l,original:fabric.util.saveObjectTransform(i)};this._shouldCenterTransform(i,c,l)&&(u.originX="center",u.originY="center"),u.original.originX=h.x,u.original.originY=h.y,this._currentTransform=u,this._beforeTransform(t)}},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_drawSelection:function(t){var e=this._groupSelector,n=e.left,o=e.top,a=i(n),c=i(o);if(this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(e.ex-(n>0?0:-n),e.ey-(o>0?0:-o),a,c)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!r){var h=e.ex+s-(n>0?0:a),l=e.ey+s-(o>0?0:c);t.beginPath(),fabric.util.drawDashedLine(t,h,l,h+a,l,this.selectionDashArray),fabric.util.drawDashedLine(t,h,l+c-1,h+a,l+c-1,this.selectionDashArray),fabric.util.drawDashedLine(t,h,l,h,l+c,this.selectionDashArray),fabric.util.drawDashedLine(t,h+a-1,l,h+a-1,l+c,this.selectionDashArray),t.closePath(),t.stroke()}else fabric.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+s-(n>0?0:a),e.ey+s-(o>0?0:c),a,c)},findTarget:function(t,e){if(!this.skipTargetFind){var i,r,s=!0,o=this.getPointer(t,s),a=this._activeObject,c=this.getActiveObjects(),h=n(t),l=c.length>1&&!e||1===c.length;if(this.targets=[],l&&a._findTargetCorner(o,h))return a;if(c.length>1&&!e&&a===this._searchPossibleTargets([a],o))return a;if(1===c.length&&a===this._searchPossibleTargets([a],o)){if(!this.preserveObjectStacking)return a;i=a,r=this.targets,this.targets=[]}var u=this._searchPossibleTargets(this._objects,o);return t[this.altSelectionKey]&&u&&i&&u!==i&&(u=i,this.targets=r),u}},_checkTarget:function(t,e,i){if(e&&e.visible&&e.evented&&e.containsPoint(t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;var r=this.isTargetTransparent(e,i.x,i.y);if(!r)return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n=t.length;n--;){var s=t[n],o=s.group?this._normalizePointer(s.group,e):e;if(this._checkTarget(o,s,e)){i=t[n],i.subTargetCheck&&i instanceof fabric.Group&&(r=this._searchPossibleTargets(i._objects,e),r&&this.targets.push(r));break}}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,i){if(this._absolutePointer&&!i)return this._absolutePointer;if(this._pointer&&i)return this._pointer;var r,n=t(e),s=this.upperCanvasEl,o=s.getBoundingClientRect(),a=o.width||0,c=o.height||0;a&&c||("top"in o&&"bottom"in o&&(c=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),n.x=n.x-this._offset.left,n.y=n.y-this._offset.top,i||(n=this.restorePointerVpt(n));var h=this.getRetinaScaling();return 1!==h&&(n.x/=h,n.y/=h),r=0===a||0===c?{width:1,height:1}:{width:s.width/a,height:s.height/c},{x:n.x*r.width,y:n.y*r.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,""),e=this.lowerCanvasEl,i=this.upperCanvasEl;i?i.className="":(i=this._createCanvasElement(),this.upperCanvasEl=i),fabric.util.addClass(i,"upper-canvas "+t),this.wrapperEl.appendChild(i),this._copyCanvasStyle(e,i),this._applyCanvasStyle(i),this.contextTop=i.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.width+"px",height:this.height+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.width||t.width,i=this.height||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":this.allowTouchScrolling?"manipulation":"none","-ms-touch-action":this.allowTouchScrolling?"manipulation":"none"}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},getActiveObject:function(){return this._activeObject},getActiveObjects:function(){var t=this._activeObject;return t?"activeSelection"===t.type&&t._objects?t._objects.slice(0):[t]:[]},_onObjectRemoved:function(t){t===this._activeObject&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),t===this._hoveredTarget&&(this._hoveredTarget=null,this._hoveredTargets=[]),this.callSuper("_onObjectRemoved",t)},_fireSelectionEvents:function(t,e){var i=!1,r=this.getActiveObjects(),n=[],s=[];t.forEach(function(t){-1===r.indexOf(t)&&(i=!0,t.fire("deselected",{e:e,target:t}),s.push(t))}),r.forEach(function(r){-1===t.indexOf(r)&&(i=!0,r.fire("selected",{e:e,target:r}),n.push(r))}),t.length>0&&r.length>0?i&&this.fire("selection:updated",{e:e,selected:n,deselected:s,updated:n[0]||s[0],target:this._activeObject}):r.length>0?this.fire("selection:created",{e:e,selected:n,target:this._activeObject}):t.length>0&&this.fire("selection:cleared",{e:e,deselected:s})},setActiveObject:function(t,e){var i=this.getActiveObjects();return this._setActiveObject(t,e),this._fireSelectionEvents(i,e),this},_setActiveObject:function(t,e){return this._activeObject===t?!1:this._discardActiveObject(e,t)?t.onSelect({e:e})?!1:(this._activeObject=t,!0):!1},_discardActiveObject:function(t,e){var i=this._activeObject;if(i){if(i.onDeselect({e:t,object:e}))return!1;this._activeObject=null}return!0},discardActiveObject:function(t){var e=this.getActiveObjects(),i=this.getActiveObject();return e.length&&this.fire("before:selection:cleared",{target:i,e:t}),this._discardActiveObject(t),this._fireSelectionEvents(e,t),this},dispose:function(){var t=this.wrapperEl;return this.removeListeners(),t.removeChild(this.upperCanvasEl),t.removeChild(this.lowerCanvasEl),this.contextCache=null,this.contextTop=null,["upperCanvasEl","cacheCanvasEl"].forEach(function(t){fabric.util.cleanUpJsdomNode(this[t]),this[t]=void 0}.bind(this)),t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,fabric.StaticCanvas.prototype.dispose.call(this),this},clear:function(){return this.discardActiveObject(),this.clearContext(this.contextTop),this.callSuper("clear")},drawControls:function(t){var e=this._activeObject;e&&e._renderControls(t)},_toObject:function(t,e,i){var r=this._realizeGroupTransformOnObject(t),n=this.callSuper("_toObject",t,e,i);return this._unwindGroupTransformOnObject(t,r),n},_realizeGroupTransformOnObject:function(t){if(t.group&&"activeSelection"===t.group.type&&this._activeObject===t.group){var e=["angle","flipX","flipY","left","scaleX","scaleY","skewX","skewY","top"],i={};return e.forEach(function(e){i[e]=t[e]}),fabric.util.addTransformToObject(t,this._activeObject.calcOwnMatrix()),i}return null},_unwindGroupTransformOnObject:function(t,e){e&&t.set(e)},_setSVGObject:function(t,e,i){var r=this._realizeGroupTransformOnObject(e);this.callSuper("_setSVGObject",t,e,i),this._unwindGroupTransformOnObject(e,r)},setViewportTransform:function(t){this.renderOnAddRemove&&this._activeObject&&this._activeObject.isEditing&&this._activeObject.clearContextTop(),fabric.StaticCanvas.prototype.setViewportTransform.call(this,t)}});for(var o in fabric.StaticCanvas)"prototype"!==o&&(fabric.Canvas[o]=fabric.StaticCanvas[o])}();!function(){function t(t,e){return t.button&&t.button===e-1}var e=fabric.util.addListener,i=fabric.util.removeListener,r=3,n=2,s=1,o={passive:!1};fabric.util.object.extend(fabric.Canvas.prototype,{mainTouchId:null,_initEventListeners:function(){this.removeListeners(),this._bindEvents(),this.addOrRemove(e,"add")},_getEventPrefix:function(){return this.enablePointerEvents?"pointer":"mouse"},addOrRemove:function(t,e){var i=this.upperCanvasEl,r=this._getEventPrefix();t(fabric.window,"resize",this._onResize),t(i,r+"down",this._onMouseDown),t(i,r+"move",this._onMouseMove,o),t(i,r+"out",this._onMouseOut),t(i,r+"enter",this._onMouseEnter),t(i,"wheel",this._onMouseWheel),t(i,"contextmenu",this._onContextMenu),t(i,"dblclick",this._onDoubleClick),t(i,"dragover",this._onDragOver),t(i,"dragenter",this._onDragEnter),t(i,"dragleave",this._onDragLeave),t(i,"drop",this._onDrop),this.enablePointerEvents||t(i,"touchstart",this._onTouchStart,o),"undefined"!=typeof eventjs&&e in eventjs&&(eventjs[e](i,"gesture",this._onGesture),eventjs[e](i,"drag",this._onDrag),eventjs[e](i,"orientation",this._onOrientationChange),eventjs[e](i,"shake",this._onShake),eventjs[e](i,"longpress",this._onLongPress))},removeListeners:function(){this.addOrRemove(i,"remove");var t=this._getEventPrefix();i(fabric.document,t+"up",this._onMouseUp),i(fabric.document,"touchend",this._onTouchEnd,o),i(fabric.document,t+"move",this._onMouseMove,o),i(fabric.document,"touchmove",this._onMouseMove,o)},_bindEvents:function(){this.eventsBound||(this._onMouseDown=this._onMouseDown.bind(this),this._onTouchStart=this._onTouchStart.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onTouchEnd=this._onTouchEnd.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),this._onMouseOut=this._onMouseOut.bind(this),this._onMouseEnter=this._onMouseEnter.bind(this),this._onContextMenu=this._onContextMenu.bind(this),this._onDoubleClick=this._onDoubleClick.bind(this),this._onDragOver=this._onDragOver.bind(this),this._onDragEnter=this._simpleEventHandler.bind(this,"dragenter"),this._onDragLeave=this._simpleEventHandler.bind(this,"dragleave"),this._onDrop=this._simpleEventHandler.bind(this,"drop"),this.eventsBound=!0)},_onGesture:function(t,e){this.__onTransformGesture&&this.__onTransformGesture(t,e)},_onDrag:function(t,e){this.__onDrag&&this.__onDrag(t,e)},_onMouseWheel:function(t){this.__onMouseWheel(t)},_onMouseOut:function(t){var e=this._hoveredTarget;this.fire("mouse:out",{target:e,e:t}),this._hoveredTarget=null,e&&e.fire("mouseout",{e:t});var i=this;this._hoveredTargets.forEach(function(r){i.fire("mouse:out",{target:e,e:t}),r&&e.fire("mouseout",{e:t})}),this._hoveredTargets=[],this._iTextInstances&&this._iTextInstances.forEach(function(t){t.isEditing&&t.hiddenTextarea.focus()})},_onMouseEnter:function(t){this._currentTransform||this.findTarget(t)||(this.fire("mouse:over",{target:null,e:t}),this._hoveredTarget=null,this._hoveredTargets=[])},_onOrientationChange:function(t,e){this.__onOrientationChange&&this.__onOrientationChange(t,e)},_onShake:function(t,e){this.__onShake&&this.__onShake(t,e)},_onLongPress:function(t,e){this.__onLongPress&&this.__onLongPress(t,e)},_onDragOver:function(t){t.preventDefault();var e=this._simpleEventHandler("dragover",t);this._fireEnterLeaveEvents(e,t)},_onContextMenu:function(t){return this.stopContextMenu&&(t.stopPropagation(),t.preventDefault()),!1},_onDoubleClick:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"dblclick"),this._resetTransformEventData(t)},getPointerId:function(t){var e=t.changedTouches;return e?e[0]&&e[0].identifier:this.enablePointerEvents?t.pointerId:-1},_isMainEvent:function(t){return t.isPrimary===!0?!0:t.isPrimary===!1?!1:"touchend"===t.type&&0===t.touches.length?!0:t.changedTouches?t.changedTouches[0].identifier===this.mainTouchId:!0},_onTouchStart:function(t){t.preventDefault(),null===this.mainTouchId&&(this.mainTouchId=this.getPointerId(t)),this.__onMouseDown(t),this._resetTransformEventData();var r=this.upperCanvasEl,n=this._getEventPrefix();e(fabric.document,"touchend",this._onTouchEnd,o),e(fabric.document,"touchmove",this._onMouseMove,o),i(r,n+"down",this._onMouseDown)},_onMouseDown:function(t){this.__onMouseDown(t),this._resetTransformEventData();var r=this.upperCanvasEl,n=this._getEventPrefix();i(r,n+"move",this._onMouseMove,o),e(fabric.document,n+"up",this._onMouseUp),e(fabric.document,n+"move",this._onMouseMove,o)},_onTouchEnd:function(t){if(!(t.touches.length>0)){this.__onMouseUp(t),this._resetTransformEventData(),this.mainTouchId=null;var r=this._getEventPrefix();i(fabric.document,"touchend",this._onTouchEnd,o),i(fabric.document,"touchmove",this._onMouseMove,o);var n=this;this._willAddMouseDown&&clearTimeout(this._willAddMouseDown),this._willAddMouseDown=setTimeout(function(){e(n.upperCanvasEl,r+"down",n._onMouseDown),n._willAddMouseDown=0},400)}},_onMouseUp:function(t){this.__onMouseUp(t),this._resetTransformEventData();var r=this.upperCanvasEl,n=this._getEventPrefix();this._isMainEvent(t)&&(i(fabric.document,n+"up",this._onMouseUp),i(fabric.document,n+"move",this._onMouseMove,o),e(r,n+"move",this._onMouseMove,o))},_onMouseMove:function(t){!this.allowTouchScrolling&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)},_onResize:function(){this.calcOffset()},_shouldRender:function(t){var e=this._activeObject;return!!e!=!!t||e&&t&&e!==t?!0:e&&e.isEditing?!1:!1},__onMouseUp:function(e){var i,o=this._currentTransform,a=this._groupSelector,h=!1,c=!a||0===a.left&&0===a.top;if(this._cacheTransformEventData(e),i=this._target,this._handleEvent(e,"up:before"),t(e,r))return void(this.fireRightClick&&this._handleEvent(e,"up",r,c));if(t(e,n))return this.fireMiddleClick&&this._handleEvent(e,"up",n,c),void this._resetTransformEventData();if(this.isDrawingMode&&this._isCurrentlyDrawing)return void this._onMouseUpInDrawingMode(e);if(this._isMainEvent(e)){if(o&&(this._finalizeCurrentTransform(e),h=o.actionPerformed),!c){var l=i===this._activeObject;this._maybeGroupObjects(e),h||(h=this._shouldRender(i)||!l&&i===this._activeObject)}if(i){if(i.selectable&&i!==this._activeObject&&"up"===i.activeOn)this.setActiveObject(i,e),h=!0;else{var u=i._findTargetCorner(this.getPointer(e,!0),fabric.util.isTouchEvent(e)),f=i.controls[u],d=f&&f.getMouseUpHandler(e,i,f);if(d){var g=this.getPointer(e);d(e,o,g.x,g.y)}}i.isMoving=!1}this._setCursorFromEvent(e,i),this._handleEvent(e,"up",s,c),this._groupSelector=null,this._currentTransform=null,i&&(i.__corner=0),h?this.requestRenderAll():c||this.renderTop()}},_simpleEventHandler:function(t,e){var i=this.findTarget(e),r=this.targets,n={e:e,target:i,subTargets:r};if(this.fire(t,n),i&&i.fire(t,n),!r)return i;for(var s=0;s<r.length;s++)r[s].fire(t,n);return i},_handleEvent:function(t,e,i,r){var n=this._target,o=this.targets||[],a={e:t,target:n,subTargets:o,button:i||s,isClick:r||!1,pointer:this._pointer,absolutePointer:this._absolutePointer,transform:this._currentTransform};"up"===e&&(a.currentTarget=this.findTarget(t),a.currentSubTargets=this.targets),this.fire("mouse:"+e,a),n&&n.fire("mouse"+e,a);for(var h=0;h<o.length;h++)o[h].fire("mouse"+e,a)},_finalizeCurrentTransform:function(t){var e,i=this._currentTransform,r=i.target,n={e:t,target:r,transform:i,action:i.action};r._scaling&&(r._scaling=!1),r.setCoords(),(i.actionPerformed||this.stateful&&r.hasStateChanged())&&(i.actionPerformed&&(e=this._addEventOptions(n,i),this._fire(e,n)),this._fire("modified",n))},_addEventOptions:function(t,e){var i,r;switch(e.action){case"scaleX":i="scaled",r="x";break;case"scaleY":i="scaled",r="y";break;case"skewX":i="skewed",r="x";break;case"skewY":i="skewed",r="y";break;case"scale":i="scaled",r="equally";break;case"rotate":i="rotated";break;case"drag":i="moved"}return t.by=r,i},_onMouseDownInDrawingMode:function(t){this._isCurrentlyDrawing=!0,this.getActiveObject()&&this.discardActiveObject(t).requestRenderAll();var e=this.getPointer(t);this.freeDrawingBrush.onMouseDown(e,{e:t,pointer:e}),this._handleEvent(t,"down")},_onMouseMoveInDrawingMode:function(t){if(this._isCurrentlyDrawing){var e=this.getPointer(t);this.freeDrawingBrush.onMouseMove(e,{e:t,pointer:e})}this.setCursor(this.freeDrawingCursor),this._handleEvent(t,"move")},_onMouseUpInDrawingMode:function(t){var e=this.getPointer(t);this._isCurrentlyDrawing=this.freeDrawingBrush.onMouseUp({e:t,pointer:e}),this._handleEvent(t,"up")},__onMouseDown:function(e){this._cacheTransformEventData(e),this._handleEvent(e,"down:before");var i=this._target;if(t(e,r))return void(this.fireRightClick&&this._handleEvent(e,"down",r));if(t(e,n))return void(this.fireMiddleClick&&this._handleEvent(e,"down",n));if(this.isDrawingMode)return void this._onMouseDownInDrawingMode(e);if(this._isMainEvent(e)&&!this._currentTransform){var s=this._pointer;this._previousPointer=s;var o=this._shouldRender(i),a=this._shouldGroup(e,i);if(this._shouldClearSelection(e,i)?this.discardActiveObject(e):a&&(this._handleGrouping(e,i),i=this._activeObject),!this.selection||i&&(i.selectable||i.isEditing||i===this._activeObject)||(this._groupSelector={ex:s.x,ey:s.y,top:0,left:0}),i){var h=i===this._activeObject;i.selectable&&"down"===i.activeOn&&this.setActiveObject(i,e);var c=i._findTargetCorner(this.getPointer(e,!0),fabric.util.isTouchEvent(e));if(i.__corner=c,i===this._activeObject&&(c||!a)){this._setupCurrentTransform(e,i,h);var l=i.controls[c],s=this.getPointer(e),u=l&&l.getMouseDownHandler(e,i,l);u&&u(e,this._currentTransform,s.x,s.y)}}this._handleEvent(e,"down"),(o||a)&&this.requestRenderAll()}},_resetTransformEventData:function(){this._target=null,this._pointer=null,this._absolutePointer=null},_cacheTransformEventData:function(t){this._resetTransformEventData(),this._pointer=this.getPointer(t,!0),this._absolutePointer=this.restorePointerVpt(this._pointer),this._target=this._currentTransform?this._currentTransform.target:this.findTarget(t)||null},_beforeTransform:function(t){var e=this._currentTransform;this.stateful&&e.target.saveState(),this.fire("before:transform",{e:t,transform:e})},__onMouseMove:function(t){this._handleEvent(t,"move:before"),this._cacheTransformEventData(t);var e,i;if(this.isDrawingMode)return void this._onMouseMoveInDrawingMode(t);if(this._isMainEvent(t)){var r=this._groupSelector;r?(i=this._pointer,r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t)||null,this._setCursorFromEvent(t,e),this._fireOverOutEvents(e,t)),this._handleEvent(t,"move"),this._resetTransformEventData()}},_fireOverOutEvents:function(t,e){var i=this._hoveredTarget,r=this._hoveredTargets,n=this.targets,s=Math.max(r.length,n.length);this.fireSyntheticInOutEvents(t,e,{oldTarget:i,evtOut:"mouseout",canvasEvtOut:"mouse:out",evtIn:"mouseover",canvasEvtIn:"mouse:over"});for(var o=0;s>o;o++)this.fireSyntheticInOutEvents(n[o],e,{oldTarget:r[o],evtOut:"mouseout",evtIn:"mouseover"});this._hoveredTarget=t,this._hoveredTargets=this.targets.concat()},_fireEnterLeaveEvents:function(t,e){var i=this._draggedoverTarget,r=this._hoveredTargets,n=this.targets,s=Math.max(r.length,n.length);this.fireSyntheticInOutEvents(t,e,{oldTarget:i,evtOut:"dragleave",evtIn:"dragenter"});for(var o=0;s>o;o++)this.fireSyntheticInOutEvents(n[o],e,{oldTarget:r[o],evtOut:"dragleave",evtIn:"dragenter"});this._draggedoverTarget=t},fireSyntheticInOutEvents:function(t,e,i){var r,n,s,o,a=i.oldTarget,h=a!==t,c=i.canvasEvtIn,l=i.canvasEvtOut;h&&(r={e:e,target:t,previousTarget:a},n={e:e,target:a,nextTarget:t}),o=t&&h,s=a&&h,s&&(l&&this.fire(l,n),a.fire(i.evtOut,n)),o&&(c&&this.fire(c,r),t.fire(i.evtIn,r))},__onMouseWheel:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"wheel"),this._resetTransformEventData()},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._performTransformAction(t,i,e),i.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.action,o=!1,a=e.actionHandler;a&&(o=a(t,e,r,n)),"drag"===s&&o&&(e.target.isMoving=!0,this.setCursor(e.target.moveCursor||this.moveCursor)),e.actionPerformed=e.actionPerformed||o},_fire:fabric.controlsUtils.fireEvent,_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor,r=this._activeObject&&"activeSelection"===this._activeObject.type?this._activeObject:null,n=(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));n?this.setCursor(this.getCornerCursor(n,e,t)):(e.subTargetCheck&&this.targets.concat().reverse().map(function(t){i=t.hoverCursor||i}),this.setCursor(i))},getCornerCursor:function(t,e,i){var r=e.controls[t];return r.cursorStyleHandler(i,r,e)}})}();!function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this._activeObject;return i&&this._isSelectionKeyPressed(t)&&e&&e.selectable&&this.selection&&(i!==e||"activeSelection"===i.type)&&!e.onSelect({e:t})},_handleGrouping:function(t,e){var i=this._activeObject;i.__corner||(e!==i||(e=this.findTarget(t,!0),e&&e.selectable))&&(i&&"activeSelection"===i.type?this._updateActiveSelection(e,t):this._createActiveSelection(e,t))},_updateActiveSelection:function(t,e){var i=this._activeObject,r=i._objects.slice(0);i.contains(t)?(i.removeWithUpdate(t),this._hoveredTarget=t,this._hoveredTargets=this.targets.concat(),1===i.size()&&this._setActiveObject(i.item(0),e)):(i.addWithUpdate(t),this._hoveredTarget=i,this._hoveredTargets=this.targets.concat()),this._fireSelectionEvents(r,e)},_createActiveSelection:function(t,e){var i=this.getActiveObjects(),r=this._createGroup(t);this._hoveredTarget=r,this._setActiveObject(r,e),this._fireSelectionEvents(i,e)},_createGroup:function(t){var e=this._objects,i=e.indexOf(this._activeObject)<e.indexOf(t),r=i?[this._activeObject,t]:[t,this._activeObject];return this._activeObject.isEditing&&this._activeObject.exitEditing(),new fabric.ActiveSelection(r,{canvas:this})},_groupSelectedObjects:function(t){var e,i=this._collectObjects(t);1===i.length?this.setActiveObject(i[0],t):i.length>1&&(e=new fabric.ActiveSelection(i.reverse(),{canvas:this}),this.setActiveObject(e,t))},_collectObjects:function(i){for(var r,n=[],s=this._groupSelector.ex,o=this._groupSelector.ey,a=s+this._groupSelector.left,h=o+this._groupSelector.top,c=new fabric.Point(t(s,a),t(o,h)),l=new fabric.Point(e(s,a),e(o,h)),u=!this.selectionFullyContained,f=s===a&&o===h,d=this._objects.length;d--&&(r=this._objects[d],!(r&&r.selectable&&r.visible&&(u&&r.intersectsWithRect(c,l)||r.isContainedWithinRect(c,l)||u&&r.containsPoint(c)||u&&r.containsPoint(l))&&(n.push(r),f))););return n.length>1&&(n=n.filter(function(t){return!t.onSelect({e:i})})),n},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t),this.setCursor(this.defaultCursor),this._groupSelector=null}})}();!function(){fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=(t.multiplier||1)*(t.enableRetinaScaling?this.getRetinaScaling():1),n=this.toCanvasElement(r,t);return fabric.util.toDataURL(n,e,i)},toCanvasElement:function(t,e){t=t||1,e=e||{};var i=(e.width||this.width)*t,r=(e.height||this.height)*t,n=this.getZoom(),s=this.width,o=this.height,a=n*t,h=this.viewportTransform,c=(h[4]-(e.left||0))*t,l=(h[5]-(e.top||0))*t,u=this.interactive,f=[a,0,0,a,c,l],d=this.enableRetinaScaling,g=fabric.util.createCanvasElement(),p=this.contextTop;return g.width=i,g.height=r,this.contextTop=null,this.enableRetinaScaling=!1,this.interactive=!1,this.viewportTransform=f,this.width=i,this.height=r,this.calcViewportBoundaries(),this.renderCanvas(g.getContext("2d"),this._objects),this.viewportTransform=h,this.width=s,this.height=o,this.calcViewportBoundaries(),this.interactive=u,this.enableRetinaScaling=d,this.contextTop=p,g}})}();fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromJSON:function(t,e,i){if(t){var r="string"==typeof t?JSON.parse(t):fabric.util.object.clone(t),o=this,a=r.clipPath,n=this.renderOnAddRemove;return this.renderOnAddRemove=!1,delete r.clipPath,this._enlivenObjects(r.objects,function(t){o.clear(),o._setBgOverlay(r,function(){a?o._enlivenObjects([a],function(i){o.clipPath=i[0],o.__setupCanvas.call(o,r,t,n,e)}):o.__setupCanvas.call(o,r,t,n,e)})},i),this}},__setupCanvas:function(t,e,i,r){var o=this;e.forEach(function(t,e){o.insertAt(t,e)}),this.renderOnAddRemove=i,delete t.objects,delete t.backgroundImage,delete t.overlayImage,delete t.background,delete t.overlay,this._setOptions(t),this.renderAll(),r&&r()},_setBgOverlay:function(t,e){var i={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!(t.backgroundImage||t.overlayImage||t.background||t.overlay))return void(e&&e());var r=function(){i.backgroundImage&&i.overlayImage&&i.backgroundColor&&i.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,i,r),this.__setBgOverlay("overlayImage",t.overlayImage,i,r),this.__setBgOverlay("backgroundColor",t.background,i,r),this.__setBgOverlay("overlayColor",t.overlay,i,r)},__setBgOverlay:function(t,e,i,r){var o=this;return e?void("backgroundImage"===t||"overlayImage"===t?fabric.util.enlivenObjects([e],function(e){o[t]=e[0],i[t]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,r&&r()})):(i[t]=!0,void(r&&r()))},_enlivenObjects:function(t,e,i){return t&&0!==t.length?void fabric.util.enlivenObjects(t,function(t){e&&e(t)},null,i):void(e&&e([]))},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(r){i(r.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.util.createCanvasElement();e.width=this.width,e.height=this.height;var i=new fabric.Canvas(e);this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}});!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.object.clone,n=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=e.StaticCanvas.supports("setLineDash"),h=!e.isLikelyNode,c=2;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{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,skewX:0,skewY:0,cornerSize:13,touchCornerSize:24,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgb(178,204,255)",borderDashArray:null,cornerColor:"rgb(178,204,255)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeDashOffset:0,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:4,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,minScaleLimit:0,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,perPixelTargetFind:!1,includeDefaultValues:!0,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:h,statefullCache:!1,noScaleCache:!0,strokeUniform:!1,dirty:!0,__corner:0,paintFirst:"fill",activeOn:"down",stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow visible backgroundColor skewX skewY fillRule paintFirst clipPath strokeUniform".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height paintFirst strokeUniform strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit backgroundColor clipPath".split(" "),colorProperties:"fill stroke backgroundColor".split(" "),clipPath:void 0,inverted:!1,absolutePositioned:!1,initialize:function(t){t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.util.createCanvasElement(),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas(),this.dirty=!0},_limitCacheSize:function(t){var i=e.perfLimitSizeTotal,r=t.width,n=t.height,s=e.maxCacheSideLimit,o=e.minCacheSideLimit;if(s>=r&&s>=n&&i>=r*n)return o>r&&(t.width=o),o>n&&(t.height=o),t;var a=r/n,h=e.util.limitDimsByArea(a,i),c=e.util.capValue,l=c(o,h.x,s),u=c(o,h.y,s);return r>l&&(t.zoomX/=r/l,t.width=l,t.capped=!0),n>u&&(t.zoomY/=n/u,t.height=u,t.capped=!0),t},_getCacheCanvasDimensions:function(){var t=this.getTotalObjectScaling(),e=this._getTransformedDimensions(0,0),i=e.x*t.scaleX/this.scaleX,r=e.y*t.scaleY/this.scaleY;return{width:i+c,height:r+c,zoomX:t.scaleX,zoomY:t.scaleY,x:i,y:r}},_updateCacheCanvas:function(){var t=this.canvas;if(this.noScaleCache&&t&&t._currentTransform){var i=t._currentTransform.target,r=t._currentTransform.action;if(this===i&&r.slice&&"scale"===r.slice(0,5))return!1}var n,s,o=this._cacheCanvas,a=this._limitCacheSize(this._getCacheCanvasDimensions()),h=e.minCacheSideLimit,c=a.width,l=a.height,u=a.zoomX,f=a.zoomY,d=c!==this.cacheWidth||l!==this.cacheHeight,g=this.zoomX!==u||this.zoomY!==f,p=d||g,v=0,m=0,b=!1;if(d){var y=this._cacheCanvas.width,_=this._cacheCanvas.height,x=c>y||l>_,C=(.9*y>c||.9*_>l)&&y>h&&_>h;b=x||C,x&&!a.capped&&(c>h||l>h)&&(v=.1*c,m=.1*l)}return p?(b?(o.width=Math.ceil(c+v),o.height=Math.ceil(l+m)):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,o.width,o.height)),n=a.x/2,s=a.y/2,this.cacheTranslationX=Math.round(o.width/2-n)+n,this.cacheTranslationY=Math.round(o.height/2-s)+s,this.cacheWidth=c,this.cacheHeight=l,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(u,f),this.zoomX=u,this.zoomY=f,!0):!1},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t){var e=this.group&&!this.group._transformDone||this.group&&this.canvas&&t===this.canvas.contextTop,i=this.calcTransformMatrix(!e);t.transform(i[0],i[1],i[2],i[3],i[4],i[5])},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,r={type:this.type,version:e.version,originX:this.originX,originY:this.originY,left:n(this.left,i),top:n(this.top,i),width:n(this.width,i),height:n(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:n(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeDashOffset:this.strokeDashOffset,strokeLineJoin:this.strokeLineJoin,strokeUniform:this.strokeUniform,strokeMiterLimit:n(this.strokeMiterLimit,i),scaleX:n(this.scaleX,i),scaleY:n(this.scaleY,i),angle:n(this.angle,i),flipX:this.flipX,flipY:this.flipY,opacity:n(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,backgroundColor:this.backgroundColor,fillRule:this.fillRule,paintFirst:this.paintFirst,globalCompositeOperation:this.globalCompositeOperation,skewX:n(this.skewX,i),skewY:n(this.skewY,i)};return this.clipPath&&(r.clipPath=this.clipPath.toObject(t),r.clipPath.inverted=this.clipPath.inverted,r.clipPath.absolutePositioned=this.clipPath.absolutePositioned),e.util.populateWithProperties(this,r,t),this.includeDefaultValues||(r=this._removeDefaultValues(r)),r},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype,r=i.stateProperties;return r.forEach(function(e){if("left"!==e&&"top"!==e){t[e]===i[e]&&delete t[e];var r="[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(i[e]);r&&0===t[e].length&&0===i[e].length&&delete t[e]}}),t},toString:function(){return"#<fabric."+s(this.type)+">"},getObjectScaling:function(){var t=e.util.qrDecompose(this.calcTransformMatrix());return{scaleX:Math.abs(t.scaleX),scaleY:Math.abs(t.scaleY)}},getTotalObjectScaling:function(){var t=this.getObjectScaling(),e=t.scaleX,i=t.scaleY;if(this.canvas){var r=this.canvas.getZoom(),n=this.canvas.getRetinaScaling();e*=r*n,i*=r*n}return{scaleX:e,scaleY:i}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){var r="scaleX"===t||"scaleY"===t,n=this[t]!==i,s=!1;return r&&(i=this._constrainScale(i)),"scaleX"===t&&0>i?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&0>i?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,n&&(s=this.group&&this.group.isOnACache(),this.cacheProperties.indexOf(t)>-1?(this.dirty=!0,s&&this.group.set("dirty",!0)):s&&this.stateProperties.indexOf(t)>-1&&this.group.set("dirty",!0)),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||!this.width&&!this.height&&0===this.strokeWidth||!this.visible},render:function(t){this.isNotVisible()||(!this.canvas||!this.canvas.skipOffscreen||this.group||this.isOnScreen())&&(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.shouldCache()?(this.renderCache(),this.drawCacheOnCanvas(t)):(this._removeCacheCanvas(),this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),t.restore())},renderCache:function(t){t=t||{},this._cacheCanvas||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext,t.forClipping),this.dirty=!1)},_removeCacheCanvas:function(){this._cacheCanvas=null,this.cacheWidth=0,this.cacheHeight=0},hasStroke:function(){return this.stroke&&"transparent"!==this.stroke&&0!==this.strokeWidth},hasFill:function(){return this.fill&&"transparent"!==this.fill},needsItsOwnCache:function(){return"stroke"===this.paintFirst&&this.hasFill()&&this.hasStroke()&&"object"==typeof this.shadow?!0:this.clipPath?!0:!1},shouldCache:function(){return this.ownCaching=this.needsItsOwnCache()||this.objectCaching&&(!this.group||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawClipPathOnCache:function(t){var i=this.clipPath;if(t.save(),t.globalCompositeOperation=i.inverted?"destination-out":"destination-in",i.absolutePositioned){var r=e.util.invertTransform(this.calcTransformMatrix());t.transform(r[0],r[1],r[2],r[3],r[4],r[5])}i.transform(t),t.scale(1/i.zoomX,1/i.zoomY),t.drawImage(i._cacheCanvas,-i.cacheTranslationX,-i.cacheTranslationY),t.restore()},drawObject:function(t,e){var i=this.fill,r=this.stroke;e?(this.fill="black",this.stroke="",this._setClippingProperties(t)):this._renderBackground(t),this._render(t),this._drawClipPath(t),this.fill=i,this.stroke=r},_drawClipPath:function(t){var e=this.clipPath;e&&(e.canvas=this.canvas,e.shouldCache(),e._transformDone=!0,e.renderCache({forClipping:!0}),this.drawClipPathOnCache(t))},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(t){if(this.isNotVisible())return!1;if(this._cacheCanvas&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.clipPath&&this.clipPath.absolutePositioned||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group._transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){var i=e.stroke;i&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineDashOffset=e.strokeDashOffset,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,i.toLive?"percentage"===i.gradientUnits||i.gradientTrasnform||i.patternTransform?this._applyPatternForTransformedGradient(t,i):(t.strokeStyle=i.toLive(t,this),this._applyPatternGradientTransform(t,i)):t.strokeStyle=e.stroke)},_setFillStyles:function(t,e){var i=e.fill;i&&(i.toLive?(t.fillStyle=i.toLive(t,this),this._applyPatternGradientTransform(t,e.fill)):t.fillStyle=i)},_setClippingProperties:function(t){t.globalAlpha=1,t.strokeStyle="transparent",t.fillStyle="#000000"},_setLineDash:function(t,e,i){e&&0!==e.length&&(1&e.length&&e.push.apply(e,e),a?t.setLineDash(e):i&&i(t))},_renderControls:function(t,i){var r,n,s,a=this.getViewportTransform(),h=this.calcTransformMatrix();i=i||{},n="undefined"!=typeof i.hasBorders?i.hasBorders:this.hasBorders,s="undefined"!=typeof i.hasControls?i.hasControls:this.hasControls,h=e.util.multiplyTransformMatrices(a,h),r=e.util.qrDecompose(h),t.save(),t.translate(r.translateX,r.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),i.forActiveSelection?(t.rotate(o(r.angle)),n&&this.drawBordersInGroup(t,r,i)):(t.rotate(o(this.angle)),n&&this.drawBorders(t,i)),s&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i,r=this.shadow,n=this.canvas,s=n&&n.viewportTransform[0]||1,o=n&&n.viewportTransform[3]||1;i=r.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),n&&n._isRetinaScaling()&&(s*=e.devicePixelRatio,o*=e.devicePixelRatio),t.shadowColor=r.color,t.shadowBlur=r.blur*e.browserShadowBlurConstant*(s+o)*(i.scaleX+i.scaleY)/4,t.shadowOffsetX=r.offsetX*s*i.scaleX,t.shadowOffsetY=r.offsetY*o*i.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(!e||!e.toLive)return{offsetX:0,offsetY:0};var i=e.gradientTransform||e.patternTransform,r=-this.width/2+e.offsetX||0,n=-this.height/2+e.offsetY||0;return"percentage"===e.gradientUnits?t.transform(this.width,0,0,this.height,r,n):t.transform(1,0,0,1,r,n),i&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),{offsetX:r,offsetY:n}},_renderPaintInOrder:function(t){"stroke"===this.paintFirst?(this._renderStroke(t),this._renderFill(t)):(this._renderFill(t),this._renderStroke(t))},_render:function(){},_renderFill:function(t){this.fill&&(t.save(),this._setFillStyles(t,this),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){if(this.stroke&&0!==this.strokeWidth){if(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this.strokeUniform&&this.group){var e=this.getObjectScaling();t.scale(1/e.scaleX,1/e.scaleY)}else this.strokeUniform&&t.scale(1/this.scaleX,1/this.scaleY);this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this._setStrokeStyles(t,this),t.stroke(),t.restore()}},_applyPatternForTransformedGradient:function(t,i){var r,n=this._limitCacheSize(this._getCacheCanvasDimensions()),s=e.util.createCanvasElement(),o=this.canvas.getRetinaScaling(),a=n.x/this.scaleX/o,h=n.y/this.scaleY/o;s.width=a,s.height=h,r=s.getContext("2d"),r.beginPath(),r.moveTo(0,0),r.lineTo(a,0),r.lineTo(a,h),r.lineTo(0,h),r.closePath(),r.translate(a/2,h/2),r.scale(n.zoomX/this.scaleX/o,n.zoomY/this.scaleY/o),this._applyPatternGradientTransform(r,i),r.fillStyle=i.toLive(t),r.fill(),t.translate(-this.width/2-this.strokeWidth/2,-this.height/2-this.strokeWidth/2),t.scale(o*this.scaleX/n.zoomX,o*this.scaleY/n.zoomY),t.strokeStyle=r.createPattern(s,"no-repeat")},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_assignTransformMatrixProps:function(){if(this.transformMatrix){var t=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",t.scaleX),this.set("scaleY",t.scaleY),this.angle=t.angle,this.skewX=t.skewX,this.skewY=0}},_removeTransformMatrix:function(t){var i=this._findCenterFromElement();this.transformMatrix&&(this._assignTransformMatrixProps(),i=e.util.transformPoint(i,this.transformMatrix)),this.transformMatrix=null,t&&(this.scaleX*=t.scaleX,this.scaleY*=t.scaleY,this.cropX=t.cropX,this.cropY=t.cropY,i.x+=t.offsetLeft,i.y+=t.offsetTop,this.width=t.width,this.height=t.height),this.setPositionByOrigin(i,"center","center")},clone:function(t,i){var r=this.toObject(i);this.constructor.fromObject?this.constructor.fromObject(r,t):e.Object._fromObject("Object",r,t)},cloneAsImage:function(t,i){var r=this.toCanvasElement(i);return t&&t(new e.Image(r)),this},toCanvasElement:function(t){t||(t={});var i=e.util,r=i.saveObjectTransform(this),n=this.group,s=this.shadow,o=Math.abs,a=(t.multiplier||1)*(t.enableRetinaScaling?e.devicePixelRatio:1);delete this.group,t.withoutTransform&&i.resetObjectTransform(this),t.withoutShadow&&(this.shadow=null);var h,c,l,u,f=e.util.createCanvasElement(),d=this.getBoundingRect(!0,!0),g=this.shadow,p={x:0,y:0};g&&(c=g.blur,h=g.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),p.x=2*Math.round(o(g.offsetX)+c)*o(h.scaleX),p.y=2*Math.round(o(g.offsetY)+c)*o(h.scaleY)),l=d.width+p.x,u=d.height+p.y,f.width=Math.ceil(l),f.height=Math.ceil(u);var v=new e.StaticCanvas(f,{enableRetinaScaling:!1,renderOnAddRemove:!1,skipOffscreen:!1});"jpeg"===t.format&&(v.backgroundColor="#fff"),this.setPositionByOrigin(new e.Point(v.width/2,v.height/2),"center","center");var m=this.canvas;v.add(this);var b=v.toCanvasElement(a||1,t);return this.shadow=s,this.set("canvas",m),n&&(this.group=n),this.set(r).setCoords(),v._objects=[],v.dispose(),v=null,b},toDataURL:function(t){return t||(t={}),e.util.toDataURL(this.toCanvasElement(t),t.format||"png",t.quality||1)},isType:function(t){return this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},rotate:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var r=new e.Point(i.x,i.y),n=this._getLeftTopCoords();return this.angle&&(r=e.util.rotatePoint(r,n,o(-this.angle))),{x:r.x-n.x,y:r.y-n.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),e.util.createAccessors&&e.util.createAccessors(e.Object),i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object._fromObject=function(t,i,n,s){var o=e[t];i=r(i,!0),e.util.enlivenPatterns([i.fill,i.stroke],function(t){"undefined"!=typeof t[0]&&(i.fill=t[0]),"undefined"!=typeof t[1]&&(i.stroke=t[1]),e.util.enlivenObjects([i.clipPath],function(t){i.clipPath=t[0];var e=s?new o(i[s],i):new o(i);n&&n(e)})})},e.Object.__uid=0)}("undefined"!=typeof exports?exports:this);!function(){var t=fabric.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(t,r,n,s,o){var a,h,c,l=t.x,u=t.y;return"string"==typeof r?r=e[r]:r-=.5,"string"==typeof s?s=e[s]:s-=.5,a=s-r,"string"==typeof n?n=i[n]:n-=.5,"string"==typeof o?o=i[o]:o-=.5,h=o-n,(a||h)&&(c=this._getTransformedDimensions(),l=t.x+a*c.x,u=t.y+h*c.y),new fabric.Point(l,u)},translateToCenterPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,i,r,"center","center");return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},translateToOriginPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,"center","center",i,r);return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,r){var n,s,o=this.getCenterPoint();return n="undefined"!=typeof i&&"undefined"!=typeof r?this.translateToGivenOrigin(o,"center","center",i,r):new fabric.Point(this.left,this.top),s=new fabric.Point(e.x,e.y),this.angle&&(s=fabric.util.rotatePoint(s,o,-t(this.angle))),s.subtractEquals(n)},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),n=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",n.x),this.set("top",n.y)},adjustPosition:function(i){var r,n,s=t(this.angle),o=this.getScaledWidth(),a=fabric.util.cos(s)*o,h=fabric.util.sin(s)*o;r="string"==typeof this.originX?e[this.originX]:this.originX-.5,n="string"==typeof i?e[i]:i-.5,this.left+=a*(n-r),this.top+=h*(n-r),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")}})}();!function(){function t(t){return[new fabric.Point(t.tl.x,t.tl.y),new fabric.Point(t.tr.x,t.tr.y),new fabric.Point(t.br.x,t.br.y),new fabric.Point(t.bl.x,t.bl.y)]}var e=fabric.util,i=e.degreesToRadians,r=e.multiplyTransformMatrices,n=e.transformPoint;e.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,lineCoords:null,ownMatrixCache:null,matrixCache:null,controls:{},_getCoords:function(t,e){return e?t?this.calcACoords():this.calcLineCoords():(this.aCoords&&this.lineCoords||this.setCoords(!0),t?this.aCoords:this.lineCoords)},getCoords:function(e,i){return t(this._getCoords(e,i))},intersectsWithRect:function(t,e,i,r){var n=this.getCoords(i,r),s=fabric.Intersection.intersectPolygonRectangle(n,t,e);return"Intersection"===s.status},intersectsWithObject:function(t,e,i){var r=fabric.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i));return"Intersection"===r.status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var r=this.getCoords(e,i),n=e?t.aCoords:t.lineCoords,s=0,o=t._getImageLines(n);4>s;s++)if(!t.containsPoint(r[s],o))return!1;return!0},isContainedWithinRect:function(t,e,i,r){var n=this.getBoundingRect(i,r);return n.left>=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y},containsPoint:function(t,e,i,r){var n=this._getCoords(i,r),e=e||this._getImageLines(n),s=this._findCrossPoints(t,e);return 0!==s&&s%2===1},isOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br,r=this.getCoords(!0,t);return r.some(function(t){return t.x<=i.x&&t.x>=e.x&&t.y<=i.y&&t.y>=e.y})?!0:this.intersectsWithRect(e,i,!0,t)?!0:this._containsCenterOfCanvas(e,i,t)},_containsCenterOfCanvas:function(t,e,i){var r={x:(t.x+e.x)/2,y:(t.y+e.y)/2};return this.containsPoint(r,null,!0,i)?!0:!1},isPartiallyOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;if(this.intersectsWithRect(e,i,!0,t))return!0;var r=this.getCoords(!0,t).every(function(t){return(t.x>=i.x||t.x<=e.x)&&(t.y>=i.y||t.y<=e.y)});return r&&this._containsCenterOfCanvas(e,i,t)},_getImageLines:function(t){var e={topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}};return e},_findCrossPoints:function(t,e){var i,r,n,s,o,a,h=0;for(var c in e)if(a=e[c],!(a.o.y<t.y&&a.d.y<t.y||a.o.y>=t.y&&a.d.y>=t.y||(a.o.x===a.d.x&&a.o.x>=t.x?o=a.o.x:(i=0,r=(a.d.y-a.o.y)/(a.d.x-a.o.x),n=t.y-i*t.x,s=a.o.y-r*a.o.x,o=-(n-s)/(i-r)),o>=t.x&&(h+=1),2!==h)))break;return h},getBoundingRect:function(t,i){var r=this.getCoords(t,i);return e.makeBoundingBoxFromPoints(r)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)<this.minScaleLimit?0>t?-this.minScaleLimit:this.minScaleLimit:0===t?1e-4:t},scale:function(t){return this._set("scaleX",t),this._set("scaleY",t),this.setCoords()},scaleToWidth:function(t,e){var i=this.getBoundingRect(e).width/this.getScaledWidth();return this.scale(t/this.width/i)},scaleToHeight:function(t,e){var i=this.getBoundingRect(e).height/this.getScaledHeight();return this.scale(t/this.height/i)},calcCoords:function(t){return t?this.calcACoords():this.calcOCoords()},calcLineCoords:function(){var t=this.getViewportTransform(),r=this.padding,s=i(this.angle),o=e.cos(s),a=e.sin(s),h=o*r,c=a*r,l=h+c,u=h-c,f=this.calcACoords(),d={tl:n(f.tl,t),tr:n(f.tr,t),bl:n(f.bl,t),br:n(f.br,t)};return r&&(d.tl.x-=u,d.tl.y-=l,d.tr.x+=l,d.tr.y-=u,d.bl.x-=l,d.bl.y+=u,d.br.x+=u,d.br.y+=l),d},calcOCoords:function(){var t=this._calcRotateMatrix(),e=this._calcTranslateMatrix(),i=this.getViewportTransform(),n=r(i,e),s=r(n,t),s=r(s,[1/i[0],0,0,1/i[3],0,0]),o=this._calculateCurrentDimensions(),a={};return this.forEachControl(function(t,e,i){a[e]=t.positionHandler(o,s,i)}),a},calcACoords:function(){var t=this._calcRotateMatrix(),e=this._calcTranslateMatrix(),i=r(e,t),s=this._getTransformedDimensions(),o=s.x/2,a=s.y/2;return{tl:n({x:-o,y:-a},i),tr:n({x:o,y:-a},i),bl:n({x:-o,y:a},i),br:n({x:o,y:a},i)}},setCoords:function(t){return this.aCoords=this.calcACoords(),this.lineCoords=this.group?this.aCoords:this.calcLineCoords(),t?this:(this.oCoords=this.calcOCoords(),this._setCornerCoords&&this._setCornerCoords(),this)},_calcRotateMatrix:function(){return e.calcRotateMatrix(this)},_calcTranslateMatrix:function(){var t=this.getCenterPoint();return[1,0,0,1,t.x,t.y]},transformMatrixKey:function(t){var e="_",i="";return!t&&this.group&&(i=this.group.transformMatrixKey(t)+e),i+this.top+e+this.left+e+this.scaleX+e+this.scaleY+e+this.skewX+e+this.skewY+e+this.angle+e+this.originX+e+this.originY+e+this.width+e+this.height+e+this.strokeWidth+this.flipX+this.flipY},calcTransformMatrix:function(t){var e=this.calcOwnMatrix();if(t||!this.group)return e;var i=this.transformMatrixKey(t),n=this.matrixCache||(this.matrixCache={});return n.key===i?n.value:(this.group&&(e=r(this.group.calcTransformMatrix(!1),e)),n.key=i,n.value=e,e)},calcOwnMatrix:function(){var t=this.transformMatrixKey(!0),i=this.ownMatrixCache||(this.ownMatrixCache={});if(i.key===t)return i.value;var r=this._calcTranslateMatrix(),n={angle:this.angle,translateX:r[4],translateY:r[5],scaleX:this.scaleX,scaleY:this.scaleY,skewX:this.skewX,skewY:this.skewY,flipX:this.flipX,flipY:this.flipY};return i.key=t,i.value=e.composeMatrix(n),i.value},_calcDimensionsTransformMatrix:function(t,i,r){return e.calcDimensionsMatrix({skewX:t,skewY:i,scaleX:this.scaleX*(r&&this.flipX?-1:1),scaleY:this.scaleY*(r&&this.flipY?-1:1)})},_getNonTransformedDimensions:function(){var t=this.strokeWidth,e=this.width+t,i=this.height+t;return{x:e,y:i}},_getTransformedDimensions:function(t,i){"undefined"==typeof t&&(t=this.skewX),"undefined"==typeof i&&(i=this.skewY);var r,n,s=this._getNonTransformedDimensions(),o=0===t&&0===i;if(this.strokeUniform?(r=this.width,n=this.height):(r=s.x,n=s.y),o)return this._finalizeDimensions(r*this.scaleX,n*this.scaleY);var a=e.sizeAfterTransform(r,n,{scaleX:this.scaleX,scaleY:this.scaleY,skewX:t,skewY:i});return this._finalizeDimensions(a.x,a.y)},_finalizeDimensions:function(t,e){return this.strokeUniform?{x:t+this.strokeWidth,y:e+this.strokeWidth}:{x:t,y:e}},_calculateCurrentDimensions:function(){var t=this.getViewportTransform(),e=this._getTransformedDimensions(),i=n(e,t,!0);return i.scalarAdd(2*this.padding)}})}();fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){return this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas&&this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas&&this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas&&this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?fabric.StaticCanvas.prototype.bringForward.call(this.group,this,t):this.canvas&&this.canvas.bringForward(this,t),this},moveTo:function(t){return this.group&&"activeSelection"!==this.group.type?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas&&this.canvas.moveTo(this,t),this}});!function(){function t(t,e){if(e){if(e.toLive)return t+": url(#SVGID_"+e.id+"); ";var i=new fabric.Color(e),r=t+": "+i.toRgb()+"; ",n=i.getAlpha();return 1!==n&&(r+=t+"-opacity: "+n.toString()+"; "),r}return t+": none; "}var e=fabric.util.toFixed;fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(e){var i=this.fillRule?this.fillRule:"nonzero",r=this.strokeWidth?this.strokeWidth:"0",n=this.strokeDashArray?this.strokeDashArray.join(" "):"none",o=this.strokeDashOffset?this.strokeDashOffset:"0",s=this.strokeLineCap?this.strokeLineCap:"butt",a=this.strokeLineJoin?this.strokeLineJoin:"miter",h=this.strokeMiterLimit?this.strokeMiterLimit:"4",c="undefined"!=typeof this.opacity?this.opacity:"1",l=this.visible?"":" visibility: hidden;",u=e?"":this.getSvgFilter(),f=t("fill",this.fill),d=t("stroke",this.stroke);return[d,"stroke-width: ",r,"; ","stroke-dasharray: ",n,"; ","stroke-linecap: ",s,"; ","stroke-dashoffset: ",o,"; ","stroke-linejoin: ",a,"; ","stroke-miterlimit: ",h,"; ",f,"fill-rule: ",i,"; ","opacity: ",c,";",u,l].join("")},getSvgSpanStyles:function(e,i){var r="; ",n=e.fontFamily?"font-family: "+(-1===e.fontFamily.indexOf("'")&&-1===e.fontFamily.indexOf('"')?"'"+e.fontFamily+"'":e.fontFamily)+r:"",o=e.strokeWidth?"stroke-width: "+e.strokeWidth+r:"",n=n,s=e.fontSize?"font-size: "+e.fontSize+"px"+r:"",a=e.fontStyle?"font-style: "+e.fontStyle+r:"",h=e.fontWeight?"font-weight: "+e.fontWeight+r:"",c=e.fill?t("fill",e.fill):"",l=e.stroke?t("stroke",e.stroke):"",u=this.getSvgTextDecoration(e),f=e.deltaY?"baseline-shift: "+-e.deltaY+"; ":"";return u&&(u="text-decoration: "+u+r),[l,o,n,s,a,h,u,c,f,i?"white-space: pre; ":""].join("")},getSvgTextDecoration:function(t){return["overline","underline","line-through"].filter(function(e){return t[e.replace("-","")]}).join(" ")},getSvgFilter:function(){return this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":""},getSvgCommons:function(){return[this.id?'id="'+this.id+'" ':"",this.clipPath?'clip-path="url(#'+this.clipPath.clipPathId+')" ':""].join("")},getSvgTransform:function(t,e){var i=t?this.calcTransformMatrix():this.calcOwnMatrix(),r='transform="'+fabric.util.matrixToSVG(i);return r+(e||"")+'" '},_setSVGBg:function(t){if(this.backgroundColor){var i=fabric.Object.NUM_FRACTION_DIGITS;t.push("		<rect ",this._getFillAttributes(this.backgroundColor),' x="',e(-this.width/2,i),'" y="',e(-this.height/2,i),'" width="',e(this.width,i),'" height="',e(this.height,i),'"></rect>\n')}},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(t),{reviver:t})},toClipPathSVG:function(t){return"	"+this._createBaseClipPathSVGMarkup(this._toSVG(t),{reviver:t})},_createBaseClipPathSVGMarkup:function(t,e){e=e||{};var i=e.reviver,r=e.additionalTransform||"",n=[this.getSvgTransform(!0,r),this.getSvgCommons()].join(""),o=t.indexOf("COMMON_PARTS");return t[o]=n,i?i(t.join("")):t.join("")},_createBaseSVGMarkup:function(t,e){e=e||{};var i,r,n=e.noStyle,o=e.reviver,s=n?"":'style="'+this.getSvgStyles()+'" ',a=e.withShadow?'style="'+this.getSvgFilter()+'" ':"",h=this.clipPath,c=this.strokeUniform?'vector-effect="non-scaling-stroke" ':"",l=h&&h.absolutePositioned,u=this.stroke,f=this.fill,d=this.shadow,g=[],p=t.indexOf("COMMON_PARTS"),m=e.additionalTransform;return h&&(h.clipPathId="CLIPPATH_"+fabric.Object.__uid++,r='<clipPath id="'+h.clipPathId+'" >\n'+h.toClipPathSVG(o)+"</clipPath>\n"),l&&g.push("<g ",a,this.getSvgCommons()," >\n"),g.push("<g ",this.getSvgTransform(!1),l?"":a+this.getSvgCommons()," >\n"),i=[s,c,n?"":this.addPaintOrder()," ",m?'transform="'+m+'" ':""].join(""),t[p]=i,f&&f.toLive&&g.push(f.toSVG(this)),u&&u.toLive&&g.push(u.toSVG(this)),d&&g.push(d.toSVG(this)),h&&g.push(r),g.push(t.join("")),g.push("</g>\n"),l&&g.push("</g>\n"),o?o(g.join("")):g.join("")},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order="'+this.paintFirst+'" ':""}})}();!function(){function t(t,e,r){var n={},o=!0;r.forEach(function(e){n[e]=t[e]}),i(t[e],n,o)}function e(t,i,r){if(t===i)return!0;if(Array.isArray(t)){if(!Array.isArray(i)||t.length!==i.length)return!1;for(var n=0,o=t.length;o>n;n++)if(!e(t[n],i[n]))return!1;return!0}if(t&&"object"==typeof t){var s,a=Object.keys(t);if(!i||"object"!=typeof i||!r&&a.length!==Object.keys(i).length)return!1;for(var n=0,o=a.length;o>n;n++)if(s=a[n],"canvas"!==s&&"group"!==s&&!e(t[s],i[s]))return!1;return!0}}var i=fabric.util.object.extend,r="stateProperties";fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(t){t=t||r;var i="_"+t;return Object.keys(this[i]).length<this[t].length?!0:!e(this[i],this,!0)},saveState:function(e){var i=e&&e.propertySet||r,n="_"+i;return this[n]?(t(this,n,this[i]),e&&e.stateProperties&&t(this,n,e.stateProperties),this):this.setupState(e)},setupState:function(t){t=t||{};var e=t.propertySet||r;return t.propertySet=e,this["_"+e]={},this.saveState(t),this}})}();!function(){var t=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{_findTargetCorner:function(t,e){if(!this.hasControls||this.group||!this.canvas||this.canvas._activeObject!==this)return!1;var i,r,n,o=t.x,s=t.y,a=Object.keys(this.oCoords),c=a.length-1;for(this.__corner=0;c>=0;c--)if(n=a[c],this.isControlVisible(n)&&(r=this._getImageLines(e?this.oCoords[n].touchCorner:this.oCoords[n].corner),i=this._findCrossPoints({x:o,y:s},r),0!==i&&i%2===1))return this.__corner=n,n;return!1},forEachControl:function(t){for(var e in this.controls)t(this.controls[e],e,this)},_setCornerCoords:function(){var t=this.oCoords;for(var e in t){var i=this.controls[e];t[e].corner=i.calcCornerCoords(this.angle,this.cornerSize,t[e].x,t[e].y,!1),t[e].touchCorner=i.calcCornerCoords(this.angle,this.touchCornerSize,t[e].x,t[e].y,!0)}},drawSelectionBackground:function(e){if(!this.selectionBackgroundColor||this.canvas&&!this.canvas.interactive||this.canvas&&this.canvas._activeObject!==this)return this;e.save();var i=this.getCenterPoint(),r=this._calculateCurrentDimensions(),n=this.canvas.viewportTransform;return e.translate(i.x,i.y),e.scale(1/n[0],1/n[3]),e.rotate(t(this.angle)),e.fillStyle=this.selectionBackgroundColor,e.fillRect(-r.x/2,-r.y/2,r.x,r.y),e.restore(),this},drawBorders:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),r=this.borderScaleFactor,n=i.x+r,o=i.y+r,s="undefined"!=typeof e.hasControls?e.hasControls:this.hasControls,a=!1;return t.save(),t.strokeStyle=e.borderColor||this.borderColor,this._setLineDash(t,e.borderDashArray||this.borderDashArray,null),t.strokeRect(-n/2,-o/2,n,o),s&&(t.beginPath(),this.forEachControl(function(e,i,r){e.withConnection&&e.getVisibility(r,i)&&(a=!0,t.moveTo(e.x*n,e.y*o),t.lineTo(e.x*n+e.offsetX,e.y*o+e.offsetY))}),a&&t.stroke()),t.restore(),this},drawBordersInGroup:function(t,e,i){i=i||{};var r=fabric.util.sizeAfterTransform(this.width,this.height,e),n=this.strokeWidth,o=this.strokeUniform,s=this.borderScaleFactor,a=r.x+n*(o?this.canvas.getZoom():e.scaleX)+s,c=r.y+n*(o?this.canvas.getZoom():e.scaleY)+s;return t.save(),this._setLineDash(t,i.borderDashArray||this.borderDashArray,null),t.strokeStyle=i.borderColor||this.borderColor,t.strokeRect(-a/2,-c/2,a,c),t.restore(),this},drawControls:function(t,e){return e=e||{},t.save(),t.setTransform(this.canvas.getRetinaScaling(),0,0,this.canvas.getRetinaScaling(),0,0),t.strokeStyle=t.fillStyle=e.cornerColor||this.cornerColor,this.transparentCorners||(t.strokeStyle=e.cornerStrokeColor||this.cornerStrokeColor),this._setLineDash(t,e.cornerDashArray||this.cornerDashArray,null),this.setCoords(),this.forEachControl(function(i,r,n){i.getVisibility(n,r)&&i.render(t,n.oCoords[r].x,n.oCoords[r].y,e,n)}),t.restore(),this},isControlVisible:function(t){return this.controls[t]&&this.controls[t].getVisibility(this,t)},setControlVisible:function(t,e){return this._controlsVisibility||(this._controlsVisibility={}),this._controlsVisibility[t]=e,this},setControlsVisibility:function(t){t||(t={});for(var e in t)this.setControlVisible(e,t[e]);return this},onDeselect:function(){},onSelect:function(){}})}();fabric.util.object.extend(fabric.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(t,e){e=e||{};var i=function(){},r=e.onComplete||i,n=e.onChange||i,o=this;return fabric.util.animate({startValue:t.left,endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),o.requestRenderAll(),n()},onComplete:function(){t.setCoords(),r()}}),this},fxCenterObjectV:function(t,e){e=e||{};var i=function(){},r=e.onComplete||i,n=e.onChange||i,o=this;return fabric.util.animate({startValue:t.top,endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),o.requestRenderAll(),n()},onComplete:function(){t.setCoords(),r()}}),this},fxRemove:function(t,e){e=e||{};var i=function(){},r=e.onComplete||i,n=e.onChange||i,o=this;return fabric.util.animate({startValue:t.opacity,endValue:0,duration:this.FX_DURATION,onChange:function(e){t.set("opacity",e),o.requestRenderAll(),n()},onComplete:function(){o.remove(t),r()}}),this}}),fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&"object"==typeof arguments[0]){var t,e,i=[];for(t in arguments[0])i.push(t);for(var r=0,n=i.length;n>r;r++)t=i[r],e=r!==n-1,this._animate(t,arguments[0][t],arguments[1],e)}else this._animate.apply(this,arguments);return this},_animate:function(t,e,i,r){var n,o=this;e=e.toString(),i=i?fabric.util.object.clone(i):{},~t.indexOf(".")&&(n=t.split("."));var s=o.colorProperties.indexOf(t)>-1||n&&o.colorProperties.indexOf(n[1])>-1,a=n?this.get(n[0])[n[1]]:this.get(t);"from"in i||(i.from=a),s||(e=~e.indexOf("=")?a+parseFloat(e.replace("=","")):parseFloat(e));var c={startValue:i.from,endValue:e,byValue:i.by,easing:i.easing,duration:i.duration,abort:i.abort&&function(){return i.abort.call(o)},onChange:function(e,s,a){n?o[n[0]][n[1]]=e:o.set(t,e),r||i.onChange&&i.onChange(e,s,a)},onComplete:function(t,e,n){r||(o.setCoords(),i.onComplete&&i.onComplete(t,e,n))}};s?fabric.util.animateColor(c.startValue,c.endValue,c.duration,c):fabric.util.animate(c)}});!function(t){"use strict";function e(t,e){var i=t.origin,r=t.axis1,n=t.axis2,o=t.dimension,s=e.nearest,a=e.center,c=e.farthest;return function(){switch(this.get(i)){case s:return Math.min(this.get(r),this.get(n));case a:return Math.min(this.get(r),this.get(n))+.5*this.get(o);case c:return Math.max(this.get(r),this.get(n))}}}var i=t.fabric||(t.fabric={}),r=i.util.object.extend,n=i.util.object.clone,o={x1:1,x2:1,y1:1,y2:1},s=i.StaticCanvas.supports("setLineDash");return i.Line?void i.warn("fabric.Line is already defined"):(i.Line=i.util.createClass(i.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,cacheProperties:i.Object.prototype.cacheProperties.concat("x1","x2","y1","y2"),initialize:function(t,e){t||(t=[0,0,0,0]),this.callSuper("initialize",e),this.set("x1",t[0]),this.set("y1",t[1]),this.set("x2",t[2]),this.set("y2",t[3]),this._setWidthHeight(e)},_setWidthHeight:function(t){t||(t={}),this.width=Math.abs(this.x2-this.x1),this.height=Math.abs(this.y2-this.y1),this.left="left"in t?t.left:this._getLeftToOriginX(),this.top="top"in t?t.top:this._getTopToOriginY()},_set:function(t,e){return this.callSuper("_set",t,e),"undefined"!=typeof o[t]&&this._setWidthHeight(),this},_getLeftToOriginX:e({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:e({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t){if(t.beginPath(),!this.strokeDashArray||this.strokeDashArray&&s){var e=this.calcLinePoints();t.moveTo(e.x1,e.y1),t.lineTo(e.x2,e.y2)}t.lineWidth=this.strokeWidth;var i=t.strokeStyle;t.strokeStyle=this.stroke||t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=i},_renderDashedStroke:function(t){var e=this.calcLinePoints();t.beginPath(),i.util.drawDashedLine(t,e.x1,e.y1,e.x2,e.y2,this.strokeDashArray),t.closePath()},_findCenterFromElement:function(){return{x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2}},toObject:function(t){return r(this.callSuper("toObject",t),this.calcLinePoints())},_getNonTransformedDimensions:function(){var t=this.callSuper("_getNonTransformedDimensions");return"butt"===this.strokeLineCap&&(0===this.width&&(t.y-=this.strokeWidth),0===this.height&&(t.x-=this.strokeWidth)),t},calcLinePoints:function(){var t=this.x1<=this.x2?-1:1,e=this.y1<=this.y2?-1:1,i=t*this.width*.5,r=e*this.height*.5,n=t*this.width*-.5,o=e*this.height*-.5;return{x1:i,x2:n,y1:r,y2:o}},_toSVG:function(){var t=this.calcLinePoints();return["<line ","COMMON_PARTS",'x1="',t.x1,'" y1="',t.y1,'" x2="',t.x2,'" y2="',t.y2,'" />\n']}}),i.Line.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),i.Line.fromElement=function(t,e,n){n=n||{};var o=i.parseAttributes(t,i.Line.ATTRIBUTE_NAMES),s=[o.x1||0,o.y1||0,o.x2||0,o.y2||0];e(new i.Line(s,r(o,n)))},void(i.Line.fromObject=function(t,e){function r(t){delete t.points,e&&e(t)}var o=n(t,!0);o.points=[t.x1,t.y1,t.x2,t.y2],i.Object._fromObject("Line",o,r,"points")}))}("undefined"!=typeof exports?exports:this);!function(t){"use strict";function e(t){return"radius"in t&&t.radius>=0}var i=t.fabric||(t.fabric={}),r=Math.PI;return i.Circle?void i.warn("fabric.Circle is already defined."):(i.Circle=i.util.createClass(i.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*r,cacheProperties:i.Object.prototype.cacheProperties.concat("radius","startAngle","endAngle"),_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},_toSVG:function(){var t,e=0,n=0,o=(this.endAngle-this.startAngle)%(2*r);if(0===o)t=["<circle ","COMMON_PARTS",'cx="'+e+'" cy="'+n+'" ','r="',this.radius,'" />\n'];else{var s=i.util.cos(this.startAngle)*this.radius,a=i.util.sin(this.startAngle)*this.radius,l=i.util.cos(this.endAngle)*this.radius,c=i.util.sin(this.endAngle)*this.radius,h=o>r?"1":"0";t=['<path d="M '+s+" "+a," A "+this.radius+" "+this.radius," 0 ",+h+" 1"," "+l+" "+c,'" ',"COMMON_PARTS"," />\n"]}return t},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderPaintInOrder(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),i.Circle.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),i.Circle.fromElement=function(t,r){var n=i.parseAttributes(t,i.Circle.ATTRIBUTE_NAMES);if(!e(n))throw new Error("value of `r` attribute is required and can not be negative");n.left=(n.left||0)-n.radius,n.top=(n.top||0)-n.radius,r(new i.Circle(n))},void(i.Circle.fromObject=function(t,e){return i.Object._fromObject("Circle",t,e)}))}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Triangle?void e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",width:100,height:100,_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var i=this.width/2,r=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,r,0,-r,this.strokeDashArray),e.util.drawDashedLine(t,0,-r,i,r,this.strokeDashArray),e.util.drawDashedLine(t,i,r,-i,r,this.strokeDashArray),t.closePath()},_toSVG:function(){var t=this.width/2,e=this.height/2,i=[-t+" "+e,"0 "+-e,t+" "+e].join(",");return["<polygon ","COMMON_PARTS",'points="',i,'" />']}}),void(e.Triangle.fromObject=function(t,i){return e.Object._fromObject("Triangle",t,i)}))}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI;return e.Ellipse?void e.warn("fabric.Ellipse is already defined."):(e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:e.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["<ellipse ","COMMON_PARTS",'cx="0" cy="0" ','rx="',this.rx,'" ry="',this.ry,'" />\n']},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,i,!1),t.restore(),this._renderPaintInOrder(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i){var r=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);r.left=(r.left||0)-r.rx,r.top=(r.top||0)-r.ry,i(new e.Ellipse(r))},void(e.Ellipse.fromObject=function(t,i){return e.Object._fromObject("Ellipse",t,i)}))}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;return e.Rect?void e.warn("fabric.Rect is already defined"):(e.Rect=e.util.createClass(e.Object,{stateProperties:e.Object.prototype.stateProperties.concat("rx","ry"),type:"rect",rx:0,ry:0,cacheProperties:e.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,o=-this.width/2,s=-this.height/2,a=0!==e||0!==i,c=.4477152502;t.beginPath(),t.moveTo(o+e,s),t.lineTo(o+r-e,s),a&&t.bezierCurveTo(o+r-c*e,s,o+r,s+c*i,o+r,s+i),t.lineTo(o+r,s+n-i),a&&t.bezierCurveTo(o+r,s+n-c*i,o+r-c*e,s+n,o+r-e,s+n),t.lineTo(o+e,s+n),a&&t.bezierCurveTo(o+c*e,s+n,o,s+n-c*i,o,s+n-i),t.lineTo(o,s+i),a&&t.bezierCurveTo(o,s+c*i,o+c*e,s,o+e,s),t.closePath(),this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var i=-this.width/2,r=-this.height/2,n=this.width,o=this.height;t.beginPath(),e.util.drawDashedLine(t,i,r,i+n,r,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r,i+n,r+o,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r+o,i,r+o,this.strokeDashArray),e.util.drawDashedLine(t,i,r+o,i,r,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){var t=-this.width/2,e=-this.height/2;return["<rect ","COMMON_PARTS",'x="',t,'" y="',e,'" rx="',this.rx,'" ry="',this.ry,'" width="',this.width,'" height="',this.height,'" />\n']}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,r,n){if(!t)return r(null);n=n||{};var o=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);o.left=o.left||0,o.top=o.top||0,o.height=o.height||0,o.width=o.width||0;var s=new e.Rect(i(n?e.util.object.clone(n):{},o));s.visible=s.visible&&s.width>0&&s.height>0,r(s)},void(e.Rect.fromObject=function(t,i){return e.Object._fromObject("Rect",t,i)}))}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max,o=e.util.toFixed;return e.Polyline?void e.warn("fabric.Polyline is already defined"):(e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,cacheProperties:e.Object.prototype.cacheProperties.concat("points"),initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e),this._setPositionDimensions(e)},_setPositionDimensions:function(t){var e,i=this._calcDimensions(t);this.width=i.width,this.height=i.height,t.fromSVG||(e=this.translateToGivenOrigin({x:i.left-this.strokeWidth/2,y:i.top-this.strokeWidth/2},"left","top",this.originX,this.originY)),"undefined"==typeof t.left&&(this.left=t.fromSVG?i.left:e.x),"undefined"==typeof t.top&&(this.top=t.fromSVG?i.top:e.y),this.pathOffset={x:i.left+this.width/2,y:i.top+this.height/2}},_calcDimensions:function(){var t=this.points,e=r(t,"x")||0,i=r(t,"y")||0,o=n(t,"x")||0,s=n(t,"y")||0,a=o-e,l=s-i;return{left:e,top:i,width:a,height:l}},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},_toSVG:function(){for(var t=[],i=this.pathOffset.x,r=this.pathOffset.y,n=e.Object.NUM_FRACTION_DIGITS,s=0,a=this.points.length;a>s;s++)t.push(o(this.points[s].x-i,n),",",o(this.points[s].y-r,n)," ");return["<"+this.type+" ","COMMON_PARTS",'points="',t.join(""),'" />\n']},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var o=0;i>o;o++)e=this.points[o],t.lineTo(e.x-r,e.y-n);return!0},_render:function(t){this.commonRender(t)&&this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var i,r;t.beginPath();for(var n=0,o=this.points.length;o>n;n++)i=this.points[n],r=this.points[n+1]||i,e.util.drawDashedLine(t,i.x,i.y,r.x,r.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),e.Polyline.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polyline.fromElementGenerator=function(t){return function(r,n,o){if(!r)return n(null);o||(o={});var s=e.parsePointsAttribute(r.getAttribute("points")),a=e.parseAttributes(r,e[t].ATTRIBUTE_NAMES);a.fromSVG=!0,n(new e[t](s,i(a,o)))}},e.Polyline.fromElement=e.Polyline.fromElementGenerator("Polyline"),void(e.Polyline.fromObject=function(t,i){return e.Object._fromObject("Polyline",t,i,"points")}))}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Polygon?void e.warn("fabric.Polygon is already defined"):(e.Polygon=e.util.createClass(e.Polyline,{type:"polygon",_render:function(t){this.commonRender(t)&&(t.closePath(),this._renderPaintInOrder(t))},_renderDashedStroke:function(t){this.callSuper("_renderDashedStroke",t),t.closePath()}}),e.Polygon.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polygon.fromElement=e.Polyline.fromElementGenerator("Polygon"),void(e.Polygon.fromObject=function(t,i){return e.Object._fromObject("Polygon",t,i,"points")}))}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.array.min,r=e.util.array.max,n=e.util.object.extend,o=Object.prototype.toString,s=e.util.toFixed;return e.Path?void e.warn("fabric.Path is already defined"):(e.Path=e.util.createClass(e.Object,{type:"path",path:null,cacheProperties:e.Object.prototype.cacheProperties.concat("path","fillRule"),stateProperties:e.Object.prototype.stateProperties.concat("path"),initialize:function(t,i){i=i||{},this.callSuper("initialize",i),t||(t=[]);var r="[object Array]"===o.call(t);this.path=e.util.makePathSimpler(r?t:e.util.parsePath(t)),this.path&&e.Polyline.prototype._setPositionDimensions.call(this,i)},_renderPathCommands:function(t){var e,i=0,r=0,n=0,o=0,s=0,a=0,l=-this.pathOffset.x,h=-this.pathOffset.y;t.beginPath();for(var c=0,u=this.path.length;u>c;++c)switch(e=this.path[c],e[0]){case"L":n=e[1],o=e[2],t.lineTo(n+l,o+h);break;case"M":n=e[1],o=e[2],i=n,r=o,t.moveTo(n+l,o+h);break;case"C":n=e[5],o=e[6],s=e[3],a=e[4],t.bezierCurveTo(e[1]+l,e[2]+h,s+l,a+h,n+l,o+h);break;case"Q":t.quadraticCurveTo(e[1]+l,e[2]+h,e[3]+l,e[4]+h),n=e[3],o=e[4],s=e[1],a=e[2];break;case"z":case"Z":n=i,o=r,t.closePath()}},_render:function(t){this._renderPathCommands(t),this._renderPaintInOrder(t)},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(t){return n(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()})})},toDatalessObject:function(t){var e=this.toObject(["sourcePath"].concat(t));return e.sourcePath&&delete e.path,e},_toSVG:function(){var t=this.path.map(function(t){return t.join(" ")}).join(" ");return["<path ","COMMON_PARTS",'d="',t,'" stroke-linecap="round" ',"/>\n"]},_getOffsetTransform:function(){var t=e.Object.NUM_FRACTION_DIGITS;return" translate("+s(-this.pathOffset.x,t)+", "+s(-this.pathOffset.y,t)+")"},toClipPathSVG:function(t){var e=this._getOffsetTransform();return"	"+this._createBaseClipPathSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},toSVG:function(t){var e=this._getOffsetTransform();return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},complexity:function(){return this.path.length},_calcDimensions:function(){for(var t,n,o=[],s=[],a=0,l=0,h=0,c=0,u=0,f=this.path.length;f>u;++u){switch(t=this.path[u],t[0]){case"L":h=t[1],c=t[2],n=[];break;case"M":h=t[1],c=t[2],a=h,l=c,n=[];break;case"C":n=e.util.getBoundsOfCurve(h,c,t[1],t[2],t[3],t[4],t[5],t[6]),h=t[5],c=t[6];break;case"Q":n=e.util.getBoundsOfCurve(h,c,t[1],t[2],t[1],t[2],t[3],t[4]),h=t[3],c=t[4];break;case"z":case"Z":h=a,c=l}n.forEach(function(t){o.push(t.x),s.push(t.y)}),o.push(h),s.push(c)}var d=i(o)||0,g=i(s)||0,p=r(o)||0,m=r(s)||0,v=p-d,x=m-g;return{left:d,top:g,width:v,height:x}}}),e.Path.fromObject=function(t,i){if("string"==typeof t.sourcePath){var r=t.sourcePath;e.loadSVGFromURL(r,function(e){var r=e[0];r.setOptions(t),i&&i(r)})}else e.Object._fromObject("Path",t,i,"path")},e.Path.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(["d"]),void(e.Path.fromElement=function(t,i,r){var o=e.parseAttributes(t,e.Path.ATTRIBUTE_NAMES);o.fromSVG=!0,i(new e.Path(o.d,n(o,r)))}))}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.array.min,r=e.util.array.max;e.Group||(e.Group=e.util.createClass(e.Object,e.Collection,{type:"group",strokeWidth:0,subTargetCheck:!1,cacheProperties:[],useSetOnGroup:!1,initialize:function(t,e,i){e=e||{},this._objects=[],i&&this.callSuper("initialize",e),this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;if(i)this._updateObjectsACoords();else{var n=e&&e.centerPoint;void 0!==e.originX&&(this.originX=e.originX),void 0!==e.originY&&(this.originY=e.originY),n||this._calcBounds(),this._updateObjectsCoords(n),delete e.centerPoint,this.callSuper("initialize",e)}this.setCoords()},_updateObjectsACoords:function(){for(var t=!0,e=this._objects.length;e--;)this._objects[e].setCoords(t)},_updateObjectsCoords:function(t){for(var t=t||this.getCenterPoint(),e=this._objects.length;e--;)this._updateObjectCoords(this._objects[e],t)},_updateObjectCoords:function(t,e){var i=t.left,r=t.top,n=!0;t.set({left:i-e.x,top:r-e.y}),t.group=this,t.setCoords(n)},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(t){var i=!!this.group;return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(i&&e.util.removeTransformFromObject(t,this.group.calcTransformMatrix()),this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.dirty=!0,i?this.group.addWithUpdate():this.setCoords(),this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,i){var r=this._objects.length;if(this.useSetOnGroup)for(;r--;)this._objects[r].setOnGroup(t,i);if("canvas"===t)for(;r--;)this._objects[r]._set(t,i);e.Object.prototype._set.call(this,t,i)},toObject:function(t){var i=this.includeDefaultValues,r=this._objects.map(function(e){var r=e.includeDefaultValues;e.includeDefaultValues=i;var n=e.toObject(t);return e.includeDefaultValues=r,n}),n=e.Object.prototype.toObject.call(this,t);return n.objects=r,n},toDatalessObject:function(t){var i,r=this.sourcePath;if(r)i=r;else{var n=this.includeDefaultValues;i=this._objects.map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=n;var r=e.toDatalessObject(t);return e.includeDefaultValues=i,r})}var o=e.Object.prototype.toDatalessObject.call(this,t);return o.objects=i,o},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=e.Object.prototype.shouldCache.call(this);if(t)for(var i=0,r=this._objects.length;r>i;i++)if(this._objects[i].willDrawShadow())return this.ownCaching=!1,!1;return t},willDrawShadow:function(){if(e.Object.prototype.willDrawShadow.call(this))return!0;for(var t=0,i=this._objects.length;i>t;t++)if(this._objects[t].willDrawShadow())return!0;return!1},isOnACache:function(){return this.ownCaching||this.group&&this.group.isOnACache()},drawObject:function(t){for(var e=0,i=this._objects.length;i>e;e++)this._objects[e].render(t);this._drawClipPath(t)},isCacheDirty:function(t){if(this.callSuper("isCacheDirty",t))return!0;if(!this.statefullCache)return!1;for(var e=0,i=this._objects.length;i>e;e++)if(this._objects[e].isCacheDirty(!0)){if(this._cacheCanvas){var r=this.cacheWidth/this.zoomX,n=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-r/2,-n/2,r,n)}return!0}return!1},_restoreObjectsState:function(){var t=this.calcOwnMatrix();return this._objects.forEach(function(i){e.util.addTransformToObject(i,t),delete i.group,i.setCoords()}),this},realizeTransform:function(t,i){return e.util.addTransformToObject(t,i),t},destroy:function(){return this._objects.forEach(function(t){t.set("dirty",!0)}),this._restoreObjectsState()},toActiveSelection:function(){if(this.canvas){var t=this._objects,i=this.canvas;this._objects=[];var r=this.toObject();delete r.objects;var n=new e.ActiveSelection([]);return n.set(r),n.type="activeSelection",i.remove(this),t.forEach(function(t){t.group=n,t.dirty=!0,i.add(t)}),n.canvas=i,n._objects=t,i._activeObject=n,n.setCoords(),n}},ungroupOnCanvas:function(){return this._restoreObjectsState()},setObjectsCoords:function(){var t=!0;return this.forEachObject(function(e){e.setCoords(t)}),this},_calcBounds:function(t){for(var e,i,r,n,o=[],s=[],a=["tr","br","bl","tl"],l=0,h=this._objects.length,c=a.length;h>l;++l){for(e=this._objects[l],r=e.calcACoords(),n=0;c>n;n++)i=a[n],o.push(r[i].x),s.push(r[i].y);e.aCoords=r}this._getBounds(o,s,t)},_getBounds:function(t,n,o){var s=new e.Point(i(t),i(n)),a=new e.Point(r(t),r(n)),l=s.y||0,h=s.x||0,c=a.x-s.x||0,u=a.y-s.y||0;this.width=c,this.height=u,o||this.setPositionByOrigin({x:h,y:l},"left","top")},_toSVG:function(t){for(var e=["<g ","COMMON_PARTS"," >\n"],i=0,r=this._objects.length;r>i;i++)e.push("		",this._objects[i].toSVG(t));return e.push("</g>\n"),e},getSvgStyles:function(){var t="undefined"!=typeof this.opacity&&1!==this.opacity?"opacity: "+this.opacity+";":"",e=this.visible?"":" visibility: hidden;";return[t,this.getSvgFilter(),e].join("")},toClipPathSVG:function(t){for(var e=[],i=0,r=this._objects.length;r>i;i++)e.push("	",this._objects[i].toClipPathSVG(t));return this._createBaseClipPathSVGMarkup(e,{reviver:t})}}),e.Group.fromObject=function(t,i){var r=t.objects,n=e.util.object.clone(t,!0);return delete n.objects,"string"==typeof r?void e.loadSVGFromURL(r,function(o){var s=e.util.groupSVGElements(o,t,r);s.set(n),i&&i(s)}):void e.util.enlivenObjects(r,function(r){e.util.enlivenObjects([t.clipPath],function(n){var o=e.util.object.clone(t,!0);o.clipPath=n[0],delete o.objects,i&&i(new e.Group(r,o,!0))})})})}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={});e.ActiveSelection||(e.ActiveSelection=e.util.createClass(e.Group,{type:"activeSelection",initialize:function(t,i){i=i||{},this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;i.originX&&(this.originX=i.originX),i.originY&&(this.originY=i.originY),this._calcBounds(),this._updateObjectsCoords(),e.Object.prototype.initialize.call(this,i),this.setCoords()},toGroup:function(){var t=this._objects.concat();this._objects=[];var i=e.Object.prototype.toObject.call(this),r=new e.Group([]);if(delete i.type,r.set(i),t.forEach(function(t){t.canvas.remove(t),t.group=r}),r._objects=t,!this.canvas)return r;var n=this.canvas;return n.add(r),n._activeObject=r,r.setCoords(),r},onDeselect:function(){return this.destroy(),!1},toString:function(){return"#<fabric.ActiveSelection: ("+this.complexity()+")>"},shouldCache:function(){return!1},isOnACache:function(){return!1},_renderControls:function(t,e,i){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.callSuper("_renderControls",t,e),i=i||{},"undefined"==typeof i.hasControls&&(i.hasControls=!1),i.forActiveSelection=!0;for(var r=0,n=this._objects.length;n>r;r++)this._objects[r]._renderControls(t,i);t.restore()}}),e.ActiveSelection.fromObject=function(t,i){e.util.enlivenObjects(t.objects,function(r){delete t.objects,i&&i(new e.ActiveSelection(r,t,!0))})})}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=fabric.util.object.extend;return t.fabric||(t.fabric={}),t.fabric.Image?void fabric.warn("fabric.Image is already defined."):(fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",strokeWidth:0,srcFromAttribute:!1,_lastScaleX:1,_lastScaleY:1,_filterScalingX:1,_filterScalingY:1,minimumScaleTrigger:.5,stateProperties:fabric.Object.prototype.stateProperties.concat("cropX","cropY"),cacheProperties:fabric.Object.prototype.cacheProperties.concat("cropX","cropY"),cacheKey:"",cropX:0,cropY:0,imageSmoothing:!0,initialize:function(t,e){e||(e={}),this.filters=[],this.cacheKey="texture"+fabric.Object.__uid++,this.callSuper("initialize",e),this._initElement(t,e)},getElement:function(){return this._element||{}},setElement:function(t,e){return this.removeTexture(this.cacheKey),this.removeTexture(this.cacheKey+"_filtered"),this._element=t,this._originalElement=t,this._initConfig(e),0!==this.filters.length&&this.applyFilters(),this.resizeFilter&&this.applyResizeFilters(),this},removeTexture:function(t){var e=fabric.filterBackend;e&&e.evictCachesForKey&&e.evictCachesForKey(t)},dispose:function(){this.removeTexture(this.cacheKey),this.removeTexture(this.cacheKey+"_filtered"),this._cacheContext=void 0,["_originalElement","_element","_filteredEl","_cacheCanvas"].forEach(function(t){fabric.util.cleanUpJsdomNode(this[t]),this[t]=void 0}.bind(this))},getCrossOrigin:function(){return this._originalElement&&(this._originalElement.crossOrigin||null)},getOriginalSize:function(){var t=this.getElement();return{width:t.naturalWidth||t.width,height:t.naturalHeight||t.height}},_stroke:function(t){if(this.stroke&&0!==this.strokeWidth){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,-i),t.lineTo(e,-i),t.lineTo(e,i),t.lineTo(-e,i),t.lineTo(-e,-i),t.closePath()}},_renderDashedStroke:function(t){var e=-this.width/2,i=-this.height/2,r=this.width,n=this.height;t.save(),this._setStrokeStyles(t,this),t.beginPath(),fabric.util.drawDashedLine(t,e,i,e+r,i,this.strokeDashArray),fabric.util.drawDashedLine(t,e+r,i,e+r,i+n,this.strokeDashArray),fabric.util.drawDashedLine(t,e+r,i+n,e,i+n,this.strokeDashArray),fabric.util.drawDashedLine(t,e,i+n,e,i,this.strokeDashArray),t.closePath(),t.restore()},toObject:function(t){var i=[];this.filters.forEach(function(t){t&&i.push(t.toObject())});var r=e(this.callSuper("toObject",["cropX","cropY"].concat(t)),{src:this.getSrc(),crossOrigin:this.getCrossOrigin(),filters:i});return this.resizeFilter&&(r.resizeFilter=this.resizeFilter.toObject()),r},hasCrop:function(){return this.cropX||this.cropY||this.width<this._element.width||this.height<this._element.height},_toSVG:function(){var t,e=[],i=[],r=this._element,n=-this.width/2,a=-this.height/2,s="",h="";if(!r)return[];if(this.hasCrop()){var o=fabric.Object.__uid++;e.push('<clipPath id="imageCrop_'+o+'">\n','	<rect x="'+n+'" y="'+a+'" width="'+this.width+'" height="'+this.height+'" />\n',"</clipPath>\n"),s=' clip-path="url(#imageCrop_'+o+')" '}if(this.imageSmoothing||(h='" image-rendering="optimizeSpeed'),i.push("	<image ","COMMON_PARTS",'xlink:href="',this.getSvgSrc(!0),'" x="',n-this.cropX,'" y="',a-this.cropY,'" width="',r.width||r.naturalWidth,'" height="',r.height||r.height,h,'"',s,"></image>\n"),this.stroke||this.strokeDashArray){var c=this.fill;this.fill=null,t=["	<rect ",'x="',n,'" y="',a,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'],this.fill=c}return e="fill"!==this.paintFirst?e.concat(t,i):e.concat(i,t)},getSrc:function(t){var e=t?this._element:this._originalElement;return e?e.toDataURL?e.toDataURL():this.srcFromAttribute?e.getAttribute("src"):e.src:this.src||""},setSrc:function(t,e,i){return fabric.util.loadImage(t,function(t,r){this.setElement(t,i),this._setWidthHeight(),e&&e(this,r)},this,i&&i.crossOrigin),this},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.minimumScaleTrigger,i=this.getTotalObjectScaling(),r=i.scaleX,n=i.scaleY,a=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||r>e&&n>e)return this._element=a,this._filterScalingX=1,this._filterScalingY=1,this._lastScaleX=r,void(this._lastScaleY=n);fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend());var s=fabric.util.createCanvasElement(),h=this._filteredEl?this.cacheKey+"_filtered":this.cacheKey,o=a.width,c=a.height;s.width=o,s.height=c,this._element=s,this._lastScaleX=t.scaleX=r,this._lastScaleY=t.scaleY=n,fabric.filterBackend.applyFilters([t],a,o,c,this._element,h),this._filterScalingX=s.width/this._originalElement.width,this._filterScalingY=s.height/this._originalElement.height},applyFilters:function(t){if(t=t||this.filters||[],t=t.filter(function(t){return t&&!t.isNeutralState()}),this.set("dirty",!0),this.removeTexture(this.cacheKey+"_filtered"),0===t.length)return this._element=this._originalElement,this._filteredEl=null,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){var n=fabric.util.createCanvasElement();n.width=i,n.height=r,this._element=n,this._filteredEl=n}else this._element=this._filteredEl,this._filteredEl.getContext("2d").clearRect(0,0,i,r),this._lastScaleX=1,this._lastScaleY=1;return fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend()),fabric.filterBackend.applyFilters(t,this._originalElement,i,r,this._element,this.cacheKey),(this._originalElement.width!==this._element.width||this._originalElement.height!==this._element.height)&&(this._filterScalingX=this._element.width/this._originalElement.width,this._filterScalingY=this._element.height/this._originalElement.height),this},_render:function(t){fabric.util.setImageSmoothing(t,this.imageSmoothing),this.isMoving!==!0&&this.resizeFilter&&this._needsResize()&&this.applyResizeFilters(),this._stroke(t),this._renderPaintInOrder(t)},drawCacheOnCanvas:function(t){fabric.util.setImageSmoothing(t,this.imageSmoothing),fabric.Object.prototype.drawCacheOnCanvas.call(this,t)},shouldCache:function(){return this.needsItsOwnCache()},_renderFill:function(t){var e=this._element;if(e){var i=this._filterScalingX,r=this._filterScalingY,n=this.width,a=this.height,s=Math.min,h=Math.max,o=h(this.cropX,0),c=h(this.cropY,0),l=e.naturalWidth||e.width,u=e.naturalHeight||e.height,f=o*i,g=c*r,d=s(n*i,l-f),p=s(a*r,u-g),b=-n/2,m=-a/2,_=s(n,l/i-o),v=s(a,u/r-c);e&&t.drawImage(e,f,g,d,p,b,m,_,v)}},_needsResize:function(){var t=this.getTotalObjectScaling();return t.scaleX!==this._lastScaleX||t.scaleY!==this._lastScaleY},_resetWidthHeight:function(){this.set(this.getOriginalSize())},_initElement:function(t,e){this.setElement(fabric.util.getById(t),e),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t)},_initFilters:function(t,e){t&&t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){t||(t={});var e=this.getElement();this.width=t.width||e.naturalWidth||e.width||0,this.height=t.height||e.naturalHeight||e.height||0},parsePreserveAspectRatioAttribute:function(){var t,e=fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio||""),i=this._element.width,r=this._element.height,n=1,a=1,s=0,h=0,o=0,c=0,l=this.width,u=this.height,f={width:l,height:u};return!e||"none"===e.alignX&&"none"===e.alignY?(n=l/i,a=u/r):("meet"===e.meetOrSlice&&(n=a=fabric.util.findScaleToFit(this._element,f),t=(l-i*n)/2,"Min"===e.alignX&&(s=-t),"Max"===e.alignX&&(s=t),t=(u-r*a)/2,"Min"===e.alignY&&(h=-t),"Max"===e.alignY&&(h=t)),"slice"===e.meetOrSlice&&(n=a=fabric.util.findScaleToCover(this._element,f),t=i-l/n,"Mid"===e.alignX&&(o=t/2),"Max"===e.alignX&&(o=t),t=r-u/a,"Mid"===e.alignY&&(c=t/2),"Max"===e.alignY&&(c=t),i=l/n,r=u/a)),{width:i,height:r,scaleX:n,scaleY:a,offsetLeft:s,offsetTop:h,cropX:o,cropY:c}}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(t,e){var i=fabric.util.object.clone(t);fabric.util.loadImage(i.src,function(t,r){return r?void(e&&e(null,!0)):void fabric.Image.prototype._initFilters.call(i,i.filters,function(r){i.filters=r||[],fabric.Image.prototype._initFilters.call(i,[i.resizeFilter],function(r){i.resizeFilter=r[0],fabric.util.enlivenObjects([i.clipPath],function(r){i.clipPath=r[0];var n=new fabric.Image(t,i);e(n,!1)})})})},null,i.crossOrigin)},fabric.Image.fromURL=function(t,e,i){fabric.util.loadImage(t,function(t,r){e&&e(new fabric.Image(t,i),r)},null,i&&i.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin image-rendering".split(" ")),void(fabric.Image.fromElement=function(t,i,r){var n=fabric.parseAttributes(t,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(n["xlink:href"],i,e(r?fabric.util.object.clone(r):{},n))}))}("undefined"!=typeof exports?exports:this);fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.angle%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.rotate(this._getAngleValueForStraighten()),this},fxStraighten:function(t){t=t||{};var e=function(){},i=t.onComplete||e,r=t.onChange||e,n=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){n.rotate(t),r()},onComplete:function(){n.setCoords(),i()}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.requestRenderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.requestRenderAllBound}),this}});function resizeCanvasIfNeeded(t){var e=t.targetCanvas,i=e.width,r=e.height,n=t.destinationWidth,a=t.destinationHeight;(i!==n||r!==a)&&(e.width=n,e.height=a)}function copyGLTo2DDrawImage(t,e){var i=t.canvas,r=e.targetCanvas,n=r.getContext("2d");n.translate(0,r.height),n.scale(1,-1);var a=i.height-r.height;n.drawImage(i,0,a,r.width,r.height,0,0,r.width,r.height)}function copyGLTo2DPutImageData(t,e){var i=e.targetCanvas,r=i.getContext("2d"),n=e.destinationWidth,a=e.destinationHeight,o=n*a*4,s=new Uint8Array(this.imageBuffer,0,o),h=new Uint8ClampedArray(this.imageBuffer,0,o);t.readPixels(0,0,n,a,t.RGBA,t.UNSIGNED_BYTE,s);var c=new ImageData(h,n,a);r.putImageData(c,0,0)}!function(){"use strict";function t(t,e){var i="precision "+e+" float;\nvoid main(){}",r=t.createShader(t.FRAGMENT_SHADER);return t.shaderSource(r,i),t.compileShader(r),t.getShaderParameter(r,t.COMPILE_STATUS)?!0:!1}function e(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}fabric.isWebglSupported=function(e){if(fabric.isLikelyNode)return!1;e=e||fabric.WebglFilterBackend.prototype.tileSize;var i=document.createElement("canvas"),r=i.getContext("webgl")||i.getContext("experimental-webgl"),n=!1;if(r){fabric.maxTextureSize=r.getParameter(r.MAX_TEXTURE_SIZE),n=fabric.maxTextureSize>=e;for(var a=["highp","mediump","lowp"],o=0;3>o;o++)if(t(r,a[o])){fabric.webGlPrecision=a[o];break}}return this.isSupported=n,n},fabric.WebglFilterBackend=e,e.prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.aPosition=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(t,e)},chooseFastestCopyGLTo2DMethod:function(t,e){var i,r="undefined"!=typeof window.performance;try{new ImageData(1,1),i=!0}catch(n){i=!1}var a="undefined"!=typeof ArrayBuffer,o="undefined"!=typeof Uint8ClampedArray;if(r&&i&&a&&o){var s=fabric.util.createCanvasElement(),h=new ArrayBuffer(t*e*4);if(fabric.forceGLPutImageData)return this.imageBuffer=h,void(this.copyGLTo2D=copyGLTo2DPutImageData);var c,l,f,u={imageBuffer:h,destinationWidth:t,destinationHeight:e,targetCanvas:s};s.width=t,s.height=e,c=window.performance.now(),copyGLTo2DDrawImage.call(u,this.gl,u),l=window.performance.now()-c,c=window.performance.now(),copyGLTo2DPutImageData.call(u,this.gl,u),f=window.performance.now()-c,l>f?(this.imageBuffer=h,this.copyGLTo2D=copyGLTo2DPutImageData):this.copyGLTo2D=copyGLTo2DDrawImage}},createWebGLCanvas:function(t,e){var i=fabric.util.createCanvasElement();i.width=t,i.height=e;var r={alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1},n=i.getContext("webgl",r);n||(n=i.getContext("experimental-webgl",r)),n&&(n.clearColor(0,0,0,0),this.canvas=i,this.gl=n)},applyFilters:function(t,e,i,r,n,a){var o,s=this.gl;a&&(o=this.getCachedTexture(a,e));var h={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:r,destinationWidth:i,destinationHeight:r,context:s,sourceTexture:this.createTexture(s,i,r,!o&&e),targetTexture:this.createTexture(s,i,r),originalTexture:o||this.createTexture(s,i,r,!o&&e),passes:t.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:n},c=s.createFramebuffer();return s.bindFramebuffer(s.FRAMEBUFFER,c),t.forEach(function(t){t&&t.applyTo(h)}),resizeCanvasIfNeeded(h),this.copyGLTo2D(s,h),s.bindTexture(s.TEXTURE_2D,null),s.deleteTexture(h.sourceTexture),s.deleteTexture(h.targetTexture),s.deleteFramebuffer(c),n.getContext("2d").setTransform(1,0,0,1,0,0),h},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,r){var n=t.createTexture();return t.bindTexture(t.TEXTURE_2D,n),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),r?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),n},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},copyGLTo2D:copyGLTo2DDrawImage,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e={renderer:"",vendor:""};if(!t)return e;var i=t.getExtension("WEBGL_debug_renderer_info");if(i){var r=t.getParameter(i.UNMASKED_RENDERER_WEBGL),n=t.getParameter(i.UNMASKED_VENDOR_WEBGL);r&&(e.renderer=r.toLowerCase()),n&&(e.vendor=n.toLowerCase())}return this.gpuInfo=e,e}}}();!function(){"use strict";function t(){}var e=function(){};fabric.Canvas2dFilterBackend=t,t.prototype={evictCachesForKey:e,dispose:e,clearWebGLCaches:e,resources:{},applyFilters:function(t,e,i,r,n){var a=n.getContext("2d");a.drawImage(e,0,0,i,r);var s=a.getImageData(0,0,i,r),o=a.getImageData(0,0,i,r),h={sourceWidth:i,sourceHeight:r,imageData:s,originalEl:e,originalImageData:o,canvasEl:n,ctx:a,filterBackend:this};return t.forEach(function(t){t.applyTo(h)}),(h.imageData.width!==i||h.imageData.height!==r)&&(n.width=h.imageData.width,n.height=h.imageData.height),a.putImageData(h.imageData,0,0),h}}}();fabric.Image=fabric.Image||{},fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aPosition;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2D uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){e=e||this.fragmentSource,i=i||this.vertexSource,"highp"!==fabric.webGlPrecision&&(e=e.replace(/precision highp float/g,"precision "+fabric.webGlPrecision+" float"));var r=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(r,i),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error("Vertex shader compile error for "+this.type+": "+t.getShaderInfoLog(r));var n=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(n,e),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new Error("Fragment shader compile error for "+this.type+": "+t.getShaderInfoLog(n));var s=t.createProgram();if(t.attachShader(s,r),t.attachShader(s,n),t.linkProgram(s),!t.getProgramParameter(s,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(s));var o=this.getAttributeLocations(t,s),a=this.getUniformLocations(t,s)||{};return a.uStepW=t.getUniformLocation(s,"uStepW"),a.uStepH=t.getUniformLocation(s,"uStepH"),{program:s,attributeLocations:o,uniformLocations:a}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition")}},getUniformLocations:function(){return{}},sendAttributeData:function(t,e,i){var r=e.aPosition,n=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,n),t.enableVertexAttribArray(r),t.vertexAttribPointer(r,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)},_setupFrameBuffer:function(t){var e,i,r=t.context;t.passes>1?(e=t.destinationWidth,i=t.destinationHeight,(t.sourceWidth!==e||t.sourceHeight!==i)&&(r.deleteTexture(t.targetTexture),t.targetTexture=t.filterBackend.createTexture(r,e,i)),r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0,r.TEXTURE_2D,t.targetTexture,0)):(r.bindFramebuffer(r.FRAMEBUFFER,null),r.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){var t=this.mainParameter,e=fabric.Image.filters[this.type].prototype;if(t){if(Array.isArray(e[t])){for(var i=e[t].length;i--;)if(this[t][i]!==e[t][i])return!1;return!0}return e[t]===this[t]}return!1},applyTo:function(t){t.webgl?(this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.aPosition),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.destinationWidth,t.destinationHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),fabric.Image.filters.BaseFilter.fromObject=function(t,e){var i=new fabric.Image.filters[t.type](t);return e&&e(i),i};!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.ColorMatrix=r(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,r,n,o,s=t.imageData,a=s.data,c=a.length,h=this.matrix,l=this.colorsOnly;for(o=0;c>o;o+=4)e=a[o],i=a[o+1],r=a[o+2],l?(a[o]=e*h[0]+i*h[1]+r*h[2]+255*h[4],a[o+1]=e*h[5]+i*h[6]+r*h[7]+255*h[9],a[o+2]=e*h[10]+i*h[11]+r*h[12]+255*h[14]):(n=a[o+3],a[o]=e*h[0]+i*h[1]+r*h[2]+n*h[3]+255*h[4],a[o+1]=e*h[5]+i*h[6]+r*h[7]+n*h[8]+255*h[9],a[o+2]=e*h[10]+i*h[11]+r*h[12]+n*h[13]+255*h[14],a[o+3]=e*h[15]+i*h[16]+r*h[17]+n*h[18]+255*h[19])},getUniformLocations:function(t,e){return{uColorMatrix:t.getUniformLocation(e,"uColorMatrix"),uConstants:t.getUniformLocation(e,"uConstants")}},sendUniformData:function(t,e){var i=this.matrix,r=[i[0],i[1],i[2],i[3],i[5],i[6],i[7],i[8],i[10],i[11],i[12],i[13],i[15],i[16],i[17],i[18]],n=[i[4],i[9],i[14],i[19]];t.uniformMatrix4fv(e.uColorMatrix,!1,r),t.uniform4fv(e.uConstants,n)}}),e.Image.filters.ColorMatrix.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Brightness=r(i.BaseFilter,{type:"Brightness",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBrightness;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += uBrightness;\ngl_FragColor = color;\n}",brightness:0,mainParameter:"brightness",applyTo2d:function(t){if(0!==this.brightness){var e,i=t.imageData,r=i.data,n=r.length,a=Math.round(255*this.brightness);for(e=0;n>e;e+=4)r[e]=r[e]+a,r[e+1]=r[e+1]+a,r[e+2]=r[e+2]+a}},getUniformLocations:function(t,e){return{uBrightness:t.getUniformLocation(e,"uBrightness")}},sendUniformData:function(t,e){t.uniform1f(e.uBrightness,this.brightness)}}),e.Image.filters.Brightness.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.Convolute=n(r.BaseFilter,{type:"Convolute",opaque:!1,matrix:[0,0,0,0,1,0,0,0,0],fragmentSource:{Convolute_3_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_3_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_5_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_5_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_7_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_7_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_9_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_9_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}"},retrieveShader:function(t){var e=Math.sqrt(this.matrix.length),i=this.type+"_"+e+"_"+(this.opaque?1:0),r=this.fragmentSource[i];return t.programCache.hasOwnProperty(i)||(t.programCache[i]=this.createProgram(t.context,r)),t.programCache[i]},applyTo2d:function(t){var e,i,r,n,o,s,a,h,c,l,u,f,d,g=t.imageData,p=g.data,m=this.matrix,v=Math.round(Math.sqrt(m.length)),_=Math.floor(v/2),x=g.width,S=g.height,b=t.ctx.createImageData(x,S),y=b.data,C=this.opaque?1:0;for(u=0;S>u;u++)for(l=0;x>l;l++){for(o=4*(u*x+l),e=0,i=0,r=0,n=0,d=0;v>d;d++)for(f=0;v>f;f++)a=u+d-_,s=l+f-_,0>a||a>=S||0>s||s>=x||(h=4*(a*x+s),c=m[d*v+f],e+=p[h]*c,i+=p[h+1]*c,r+=p[h+2]*c,C||(n+=p[h+3]*c));y[o]=e,y[o+1]=i,y[o+2]=r,y[o+3]=C?p[o+3]:n}t.imageData=b},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Grayscale=r(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,r=t.imageData,n=r.data,a=n.length,o=this.mode;for(e=0;a>e;e+=4)"average"===o?i=(n[e]+n[e+1]+n[e+2])/3:"lightness"===o?i=(Math.min(n[e],n[e+1],n[e+2])+Math.max(n[e],n[e+1],n[e+2]))/2:"luminosity"===o&&(i=.21*n[e]+.72*n[e+1]+.07*n[e+2]),n[e]=i,n[e+1]=i,n[e+2]=i},retrieveShader:function(t){var e=this.type+"_"+this.mode;if(!t.programCache.hasOwnProperty(e)){var i=this.fragmentSource[this.mode];t.programCache[e]=this.createProgram(t.context,i)}return t.programCache[e]},getUniformLocations:function(t,e){return{uMode:t.getUniformLocation(e,"uMode")}},sendUniformData:function(t,e){var i=1;t.uniform1i(e.uMode,i)},isNeutralState:function(){return!1}}),e.Image.filters.Grayscale.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Invert=r(i.BaseFilter,{type:"Invert",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uInvert;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nif (uInvert == 1) {\ngl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,color.a);\n} else {\ngl_FragColor = color;\n}\n}",invert:!0,mainParameter:"invert",applyTo2d:function(t){var e,i=t.imageData,r=i.data,n=r.length;for(e=0;n>e;e+=4)r[e]=255-r[e],r[e+1]=255-r[e+1],r[e+2]=255-r[e+2]},isNeutralState:function(){return!this.invert},getUniformLocations:function(t,e){return{uInvert:t.getUniformLocation(e,"uInvert")}},sendUniformData:function(t,e){t.uniform1i(e.uInvert,this.invert)}}),e.Image.filters.Invert.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.Noise=n(r.BaseFilter,{type:"Noise",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uStepH;\nuniform float uNoise;\nuniform float uSeed;\nvarying vec2 vTexCoord;\nfloat rand(vec2 co, float seed, float vScale) {\nreturn fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n}\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\ngl_FragColor = color;\n}",mainParameter:"noise",noise:0,applyTo2d:function(t){if(0!==this.noise){var e,i,r=t.imageData,n=r.data,s=n.length,o=this.noise;for(e=0,s=n.length;s>e;e+=4)i=(.5-Math.random())*o,n[e]+=i,n[e+1]+=i,n[e+2]+=i}},getUniformLocations:function(t,e){return{uNoise:t.getUniformLocation(e,"uNoise"),uSeed:t.getUniformLocation(e,"uSeed")}},sendUniformData:function(t,e){t.uniform1f(e.uNoise,this.noise/255),t.uniform1f(e.uSeed,Math.random())},toObject:function(){return i(this.callSuper("toObject"),{noise:this.noise})}}),e.Image.filters.Noise.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Pixelate=r(i.BaseFilter,{type:"Pixelate",blocksize:4,mainParameter:"blocksize",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBlocksize;\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nfloat blockW = uBlocksize * uStepW;\nfloat blockH = uBlocksize * uStepW;\nint posX = int(vTexCoord.x / blockW);\nint posY = int(vTexCoord.y / blockH);\nfloat fposX = float(posX);\nfloat fposY = float(posY);\nvec2 squareCoords = vec2(fposX * blockW, fposY * blockH);\nvec4 color = texture2D(uTexture, squareCoords);\ngl_FragColor = color;\n}",applyTo2d:function(t){var e,i,r,n,s,o,a,h,c,l,u,f=t.imageData,d=f.data,g=f.height,p=f.width;for(i=0;g>i;i+=this.blocksize)for(r=0;p>r;r+=this.blocksize)for(e=4*i*p+4*r,n=d[e],s=d[e+1],o=d[e+2],a=d[e+3],l=Math.min(i+this.blocksize,g),u=Math.min(r+this.blocksize,p),h=i;l>h;h++)for(c=r;u>c;c++)e=4*h*p+4*c,d[e]=n,d[e+1]=s,d[e+2]=o,d[e+3]=a},isNeutralState:function(){return 1===this.blocksize},getUniformLocations:function(t,e){return{uBlocksize:t.getUniformLocation(e,"uBlocksize"),uStepW:t.getUniformLocation(e,"uStepW"),uStepH:t.getUniformLocation(e,"uStepH")}},sendUniformData:function(t,e){t.uniform1f(e.uBlocksize,this.blocksize)}}),e.Image.filters.Pixelate.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.RemoveColor=n(r.BaseFilter,{type:"RemoveColor",color:"#FFFFFF",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uLow;\nuniform vec4 uHigh;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\nif(all(greaterThan(gl_FragColor.rgb,uLow.rgb)) && all(greaterThan(uHigh.rgb,gl_FragColor.rgb))) {\ngl_FragColor.a = 0.0;\n}\n}",distance:.02,useAlpha:!1,applyTo2d:function(t){var i,r,n,s,o=t.imageData,a=o.data,h=255*this.distance,l=new e.Color(this.color).getSource(),c=[l[0]-h,l[1]-h,l[2]-h],f=[l[0]+h,l[1]+h,l[2]+h];for(i=0;i<a.length;i+=4)r=a[i],n=a[i+1],s=a[i+2],r>c[0]&&n>c[1]&&s>c[2]&&r<f[0]&&n<f[1]&&s<f[2]&&(a[i+3]=0)},getUniformLocations:function(t,e){return{uLow:t.getUniformLocation(e,"uLow"),uHigh:t.getUniformLocation(e,"uHigh")}},sendUniformData:function(t,i){var r=new e.Color(this.color).getSource(),n=parseFloat(this.distance),s=[0+r[0]/255-n,0+r[1]/255-n,0+r[2]/255-n,1],o=[r[0]/255+n,r[1]/255+n,r[2]/255+n,1];t.uniform4fv(i.uLow,s),t.uniform4fv(i.uHigh,o)},toObject:function(){return i(this.callSuper("toObject"),{color:this.color,distance:this.distance})}}),e.Image.filters.RemoveColor.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass,n={Brownie:[.5997,.34553,-.27082,0,.186,-.0377,.86095,.15059,0,-.1449,.24113,-.07441,.44972,0,-.02965,0,0,0,1,0],Vintage:[.62793,.32021,-.03965,0,.03784,.02578,.64411,.03259,0,.02926,.0466,-.08512,.52416,0,.02023,0,0,0,1,0],Kodachrome:[1.12855,-.39673,-.03992,0,.24991,-.16404,1.08352,-.05498,0,.09698,-.16786,-.56034,1.60148,0,.13972,0,0,0,1,0],Technicolor:[1.91252,-.85453,-.09155,0,.04624,-.30878,1.76589,-.10601,0,-.27589,-.2311,-.75018,1.84759,0,.12137,0,0,0,1,0],Polaroid:[1.438,-.062,-.062,0,0,-.122,1.378,-.122,0,0,-.016,-.016,1.483,0,0,0,0,0,1,0],Sepia:[.393,.769,.189,0,0,.349,.686,.168,0,0,.272,.534,.131,0,0,0,0,0,1,0],BlackWhite:[1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,0,0,0,1,0]};for(var s in n)i[s]=r(i.ColorMatrix,{type:s,matrix:n[s],mainParameter:!1,colorsOnly:!0}),e.Image.filters[s].fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric,i=e.Image.filters,r=e.util.createClass;i.BlendColor=r(i.BaseFilter,{type:"BlendColor",color:"#F95C63",mode:"multiply",alpha:1,fragmentSource:{multiply:"gl_FragColor.rgb *= uColor.rgb;\n",screen:"gl_FragColor.rgb = 1.0 - (1.0 - gl_FragColor.rgb) * (1.0 - uColor.rgb);\n",add:"gl_FragColor.rgb += uColor.rgb;\n",diff:"gl_FragColor.rgb = abs(gl_FragColor.rgb - uColor.rgb);\n",subtract:"gl_FragColor.rgb -= uColor.rgb;\n",lighten:"gl_FragColor.rgb = max(gl_FragColor.rgb, uColor.rgb);\n",darken:"gl_FragColor.rgb = min(gl_FragColor.rgb, uColor.rgb);\n",exclusion:"gl_FragColor.rgb += uColor.rgb - 2.0 * (uColor.rgb * gl_FragColor.rgb);\n",overlay:"if (uColor.r < 0.5) {\ngl_FragColor.r *= 2.0 * uColor.r;\n} else {\ngl_FragColor.r = 1.0 - 2.0 * (1.0 - gl_FragColor.r) * (1.0 - uColor.r);\n}\nif (uColor.g < 0.5) {\ngl_FragColor.g *= 2.0 * uColor.g;\n} else {\ngl_FragColor.g = 1.0 - 2.0 * (1.0 - gl_FragColor.g) * (1.0 - uColor.g);\n}\nif (uColor.b < 0.5) {\ngl_FragColor.b *= 2.0 * uColor.b;\n} else {\ngl_FragColor.b = 1.0 - 2.0 * (1.0 - gl_FragColor.b) * (1.0 - uColor.b);\n}\n",tint:"gl_FragColor.rgb *= (1.0 - uColor.a);\ngl_FragColor.rgb += uColor.rgb;\n"},buildSource:function(t){return"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ngl_FragColor = color;\nif (color.a > 0.0) {\n"+this.fragmentSource[t]+"}\n}"},retrieveShader:function(t){var e,i=this.type+"_"+this.mode;return t.programCache.hasOwnProperty(i)||(e=this.buildSource(this.mode),t.programCache[i]=this.createProgram(t.context,e)),t.programCache[i]},applyTo2d:function(t){var i,r,n,s,o,a,h,l=t.imageData,c=l.data,f=c.length,u=1-this.alpha;h=new e.Color(this.color).getSource(),i=h[0]*this.alpha,r=h[1]*this.alpha,n=h[2]*this.alpha;for(var d=0;f>d;d+=4)switch(s=c[d],o=c[d+1],a=c[d+2],this.mode){case"multiply":c[d]=s*i/255,c[d+1]=o*r/255,c[d+2]=a*n/255;break;case"screen":c[d]=255-(255-s)*(255-i)/255,c[d+1]=255-(255-o)*(255-r)/255,c[d+2]=255-(255-a)*(255-n)/255;break;case"add":c[d]=s+i,c[d+1]=o+r,c[d+2]=a+n;break;case"diff":case"difference":c[d]=Math.abs(s-i),c[d+1]=Math.abs(o-r),c[d+2]=Math.abs(a-n);break;case"subtract":c[d]=s-i,c[d+1]=o-r,c[d+2]=a-n;break;case"darken":c[d]=Math.min(s,i),c[d+1]=Math.min(o,r),c[d+2]=Math.min(a,n);break;case"lighten":c[d]=Math.max(s,i),c[d+1]=Math.max(o,r),c[d+2]=Math.max(a,n);break;case"overlay":c[d]=128>i?2*s*i/255:255-2*(255-s)*(255-i)/255,c[d+1]=128>r?2*o*r/255:255-2*(255-o)*(255-r)/255,c[d+2]=128>n?2*a*n/255:255-2*(255-a)*(255-n)/255;break;case"exclusion":c[d]=i+s-2*i*s/255,c[d+1]=r+o-2*r*o/255,c[d+2]=n+a-2*n*a/255;break;case"tint":c[d]=i+s*u,c[d+1]=r+o*u,c[d+2]=n+a*u}},getUniformLocations:function(t,e){return{uColor:t.getUniformLocation(e,"uColor")}},sendUniformData:function(t,i){var r=new e.Color(this.color).getSource();r[0]=this.alpha*r[0]/255,r[1]=this.alpha*r[1]/255,r[2]=this.alpha*r[2]/255,r[3]=this.alpha,t.uniform4fv(i.uColor,r)},toObject:function(){return{type:this.type,color:this.color,mode:this.mode,alpha:this.alpha}}}),e.Image.filters.BlendColor.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric,i=e.Image.filters,r=e.util.createClass;i.BlendImage=r(i.BaseFilter,{type:"BlendImage",image:null,mode:"multiply",alpha:1,vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nuniform mat3 uTransformMatrix;\nvoid main() {\nvTexCoord = aPosition;\nvTexCoord2 = (uTransformMatrix * vec3(aPosition, 1.0)).xy;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:{multiply:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.rgba *= color2.rgba;\ngl_FragColor = color;\n}",mask:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.a = color2.a;\ngl_FragColor = color;\n}"},retrieveShader:function(t){var e=this.type+"_"+this.mode,i=this.fragmentSource[this.mode];return t.programCache.hasOwnProperty(e)||(t.programCache[e]=this.createProgram(t.context,i)),t.programCache[e]},applyToWebGL:function(t){var e=t.context,i=this.createTexture(t.filterBackend,this.image);this.bindAdditionalTexture(e,i,e.TEXTURE1),this.callSuper("applyToWebGL",t),this.unbindAdditionalTexture(e,e.TEXTURE1)},createTexture:function(t,e){return t.getCachedTexture(e.cacheKey,e._element)},calculateMatrix:function(){var t=this.image,e=t._element.width,i=t._element.height;return[1/t.scaleX,0,0,0,1/t.scaleY,0,-t.left/e,-t.top/i,1]},applyTo2d:function(t){var i,r,n,o,s,a,h,l,c,f,u,d=t.imageData,g=t.filterBackend.resources,p=d.data,m=p.length,v=d.width,x=d.height,_=this.image;g.blendImage||(g.blendImage=e.util.createCanvasElement()),c=g.blendImage,f=c.getContext("2d"),c.width!==v||c.height!==x?(c.width=v,c.height=x):f.clearRect(0,0,v,x),f.setTransform(_.scaleX,0,0,_.scaleY,_.left,_.top),f.drawImage(_._element,0,0,v,x),u=f.getImageData(0,0,v,x).data;for(var y=0;m>y;y+=4)switch(s=p[y],a=p[y+1],h=p[y+2],l=p[y+3],i=u[y],r=u[y+1],n=u[y+2],o=u[y+3],this.mode){case"multiply":p[y]=s*i/255,p[y+1]=a*r/255,p[y+2]=h*n/255,p[y+3]=l*o/255;break;case"mask":p[y+3]=o}},getUniformLocations:function(t,e){return{uTransformMatrix:t.getUniformLocation(e,"uTransformMatrix"),uImage:t.getUniformLocation(e,"uImage")}},sendUniformData:function(t,e){var i=this.calculateMatrix();t.uniform1i(e.uImage,1),t.uniformMatrix3fv(e.uTransformMatrix,!1,i)},toObject:function(){return{type:this.type,image:this.image&&this.image.toObject(),mode:this.mode,alpha:this.alpha}}}),e.Image.filters.BlendImage.fromObject=function(t,i){e.Image.fromObject(t.image,function(r){var n=e.util.object.clone(t);n.image=r,i(new e.Image.filters.BlendImage(n))})}}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=Math.pow,r=Math.floor,n=Math.sqrt,o=Math.abs,s=Math.round,a=Math.sin,h=Math.ceil,l=e.Image.filters,c=e.util.createClass;l.Resize=c(l.BaseFilter,{type:"Resize",resizeType:"hermite",scaleX:1,scaleY:1,lanczosLobes:3,getUniformLocations:function(t,e){return{uDelta:t.getUniformLocation(e,"uDelta"),uTaps:t.getUniformLocation(e,"uTaps")}},sendUniformData:function(t,e){t.uniform2fv(e.uDelta,this.horizontal?[1/this.width,0]:[0,1/this.height]),t.uniform1fv(e.uTaps,this.taps)},retrieveShader:function(t){var e=this.getFilterWindow(),i=this.type+"_"+e;if(!t.programCache.hasOwnProperty(i)){var r=this.generateShader(e);t.programCache[i]=this.createProgram(t.context,r)}return t.programCache[i]},getFilterWindow:function(){var t=this.tempScale;return Math.ceil(this.lanczosLobes/t)},getTaps:function(){for(var t=this.lanczosCreate(this.lanczosLobes),e=this.tempScale,i=this.getFilterWindow(),r=new Array(i),n=1;i>=n;n++)r[n-1]=t(n*e);return r},generateShader:function(t){for(var t,e=new Array(t),i=this.fragmentSourceTOP,r=1;t>=r;r++)e[r-1]=r+".0 * uDelta";return i+="uniform float uTaps["+t+"];\n",i+="void main() {\n",i+="  vec4 color = texture2D(uTexture, vTexCoord);\n",i+="  float sum = 1.0;\n",e.forEach(function(t,e){i+="  color += texture2D(uTexture, vTexCoord + "+t+") * uTaps["+e+"];\n",i+="  color += texture2D(uTexture, vTexCoord - "+t+") * uTaps["+e+"];\n",i+="  sum += 2.0 * uTaps["+e+"];\n"}),i+="  gl_FragColor = color / sum;\n",i+="}"},fragmentSourceTOP:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\n",applyTo:function(t){t.webgl?(t.passes++,this.width=t.sourceWidth,this.horizontal=!0,this.dW=Math.round(this.width*this.scaleX),this.dH=t.sourceHeight,this.tempScale=this.dW/this.width,this.taps=this.getTaps(),t.destinationWidth=this.dW,this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t),t.sourceWidth=t.destinationWidth,this.height=t.sourceHeight,this.horizontal=!1,this.dH=Math.round(this.height*this.scaleY),this.tempScale=this.dH/this.height,this.taps=this.getTaps(),t.destinationHeight=this.dH,this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t),t.sourceHeight=t.destinationHeight):this.applyTo2d(t)},isNeutralState:function(){return 1===this.scaleX&&1===this.scaleY},lanczosCreate:function(t){return function(e){if(e>=t||-t>=e)return 0;if(1.1920929e-7>e&&e>-1.1920929e-7)return 1;e*=Math.PI;var i=e/t;return a(e)/e*a(i)/i}},applyTo2d:function(t){var e=t.imageData,i=this.scaleX,r=this.scaleY;this.rcpScaleX=1/i,this.rcpScaleY=1/r;var n,o=e.width,a=e.height,h=s(o*i),l=s(a*r);"sliceHack"===this.resizeType?n=this.sliceByTwo(t,o,a,h,l):"hermite"===this.resizeType?n=this.hermiteFastResize(t,o,a,h,l):"bilinear"===this.resizeType?n=this.bilinearFiltering(t,o,a,h,l):"lanczos"===this.resizeType&&(n=this.lanczosResize(t,o,a,h,l)),t.imageData=n},sliceByTwo:function(t,i,n,o,s){var a,h,l=t.imageData,c=.5,f=!1,u=!1,d=i*c,g=n*c,p=e.filterBackend.resources,m=0,v=0,x=i,_=0;for(p.sliceByTwo||(p.sliceByTwo=document.createElement("canvas")),a=p.sliceByTwo,(a.width<1.5*i||a.height<n)&&(a.width=1.5*i,a.height=n),h=a.getContext("2d"),h.clearRect(0,0,1.5*i,n),h.putImageData(l,0,0),o=r(o),s=r(s);!f||!u;)i=d,n=g,o<r(d*c)?d=r(d*c):(d=o,f=!0),s<r(g*c)?g=r(g*c):(g=s,u=!0),h.drawImage(a,m,v,i,n,x,_,d,g),m=x,v=_,_+=g;return h.getImageData(m,v,o,s)},lanczosResize:function(t,e,s,a,l){function c(t){var h,T,w,O,D,E,I,A,L,k,M;for(S.x=(t+.5)*p,C.x=r(S.x),h=0;l>h;h++){for(S.y=(h+.5)*m,C.y=r(S.y),D=0,E=0,I=0,A=0,L=0,T=C.x-_;T<=C.x+_;T++)if(!(0>T||T>=e)){k=r(1e3*o(T-S.x)),b[k]||(b[k]={});for(var F=C.y-y;F<=C.y+y;F++)0>F||F>=s||(M=r(1e3*o(F-S.y)),b[k][M]||(b[k][M]=g(n(i(k*v,2)+i(M*x,2))/1e3)),w=b[k][M],w>0&&(O=4*(F*e+T),D+=w,E+=w*f[O],I+=w*f[O+1],A+=w*f[O+2],L+=w*f[O+3]))}O=4*(h*a+t),d[O]=E/D,d[O+1]=I/D,d[O+2]=A/D,d[O+3]=L/D}return++t<a?c(t):u}var f=t.imageData.data,u=t.ctx.createImageData(a,l),d=u.data,g=this.lanczosCreate(this.lanczosLobes),p=this.rcpScaleX,m=this.rcpScaleY,v=2/this.rcpScaleX,x=2/this.rcpScaleY,_=h(p*this.lanczosLobes/2),y=h(m*this.lanczosLobes/2),b={},S={},C={};return c(0)},bilinearFiltering:function(t,e,i,n,o){var s,a,h,l,c,f,u,d,g,p,m,v,x,_=0,y=this.rcpScaleX,b=this.rcpScaleY,S=4*(e-1),C=t.imageData,T=C.data,w=t.ctx.createImageData(n,o),O=w.data;for(u=0;o>u;u++)for(d=0;n>d;d++)for(c=r(y*d),f=r(b*u),g=y*d-c,p=b*u-f,x=4*(f*e+c),m=0;4>m;m++)s=T[x+m],a=T[x+4+m],h=T[x+S+m],l=T[x+S+4+m],v=s*(1-g)*(1-p)+a*g*(1-p)+h*p*(1-g)+l*g*p,O[_++]=v;return w},hermiteFastResize:function(t,e,i,s,a){for(var l=this.rcpScaleX,c=this.rcpScaleY,f=h(l/2),u=h(c/2),d=t.imageData,g=d.data,p=t.ctx.createImageData(s,a),m=p.data,v=0;a>v;v++)for(var x=0;s>x;x++){for(var _=4*(x+v*s),y=0,b=0,S=0,C=0,T=0,w=0,O=0,D=(v+.5)*c,E=r(v*c);(v+1)*c>E;E++)for(var I=o(D-(E+.5))/u,A=(x+.5)*l,L=I*I,k=r(x*l);(x+1)*l>k;k++){var M=o(A-(k+.5))/f,F=n(L+M*M);F>1&&-1>F||(y=2*F*F*F-3*F*F+1,y>0&&(M=4*(k+E*e),O+=y*g[M+3],S+=y,g[M+3]<255&&(y=y*g[M+3]/250),C+=y*g[M],T+=y*g[M+1],w+=y*g[M+2],b+=y))}m[_]=C/b,m[_+1]=T/b,m[_+2]=w/b,m[_+3]=O/S}return p},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Contrast=r(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i,r=t.imageData,n=r.data,i=n.length,o=Math.floor(255*this.contrast),s=259*(o+255)/(255*(259-o));for(e=0;i>e;e+=4)n[e]=s*(n[e]-128)+128,n[e+1]=s*(n[e+1]-128)+128,n[e+2]=s*(n[e+2]-128)+128}},getUniformLocations:function(t,e){return{uContrast:t.getUniformLocation(e,"uContrast")}},sendUniformData:function(t,e){t.uniform1f(e.uContrast,this.contrast)}}),e.Image.filters.Contrast.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Saturation=r(i.BaseFilter,{type:"Saturation",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uSaturation;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat rgMax = max(color.r, color.g);\nfloat rgbMax = max(rgMax, color.b);\ncolor.r += rgbMax != color.r ? (rgbMax - color.r) * uSaturation : 0.00;\ncolor.g += rgbMax != color.g ? (rgbMax - color.g) * uSaturation : 0.00;\ncolor.b += rgbMax != color.b ? (rgbMax - color.b) * uSaturation : 0.00;\ngl_FragColor = color;\n}",saturation:0,mainParameter:"saturation",applyTo2d:function(t){if(0!==this.saturation){var e,i,r=t.imageData,n=r.data,o=n.length,s=-this.saturation;for(e=0;o>e;e+=4)i=Math.max(n[e],n[e+1],n[e+2]),n[e]+=i!==n[e]?(i-n[e])*s:0,n[e+1]+=i!==n[e+1]?(i-n[e+1])*s:0,n[e+2]+=i!==n[e+2]?(i-n[e+2])*s:0}},getUniformLocations:function(t,e){return{uSaturation:t.getUniformLocation(e,"uSaturation")}},sendUniformData:function(t,e){t.uniform1f(e.uSaturation,-this.saturation)}}),e.Image.filters.Saturation.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Blur=r(i.BaseFilter,{type:"Blur",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\nconst float nSamples = 15.0;\nvec3 v3offset = vec3(12.9898, 78.233, 151.7182);\nfloat random(vec3 scale) {\nreturn fract(sin(dot(gl_FragCoord.xyz, scale)) * 43758.5453);\n}\nvoid main() {\nvec4 color = vec4(0.0);\nfloat total = 0.0;\nfloat offset = random(v3offset);\nfor (float t = -nSamples; t <= nSamples; t++) {\nfloat percent = (t + offset - 0.5) / nSamples;\nfloat weight = 1.0 - abs(percent);\ncolor += texture2D(uTexture, vTexCoord + uDelta * percent) * weight;\ntotal += weight;\n}\ngl_FragColor = color / total;\n}",blur:0,mainParameter:"blur",applyTo:function(t){t.webgl?(this.aspectRatio=t.sourceWidth/t.sourceHeight,t.passes++,this._setupFrameBuffer(t),this.horizontal=!0,this.applyToWebGL(t),this._swapTextures(t),this._setupFrameBuffer(t),this.horizontal=!1,this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},applyTo2d:function(t){t.imageData=this.simpleBlur(t)},simpleBlur:function(t){var i,r,n=t.filterBackend.resources,o=t.imageData.width,a=t.imageData.height;n.blurLayer1||(n.blurLayer1=e.util.createCanvasElement(),n.blurLayer2=e.util.createCanvasElement()),i=n.blurLayer1,r=n.blurLayer2,(i.width!==o||i.height!==a)&&(r.width=i.width=o,r.height=i.height=a);var s,l,h,c,f=i.getContext("2d"),u=r.getContext("2d"),d=15,g=.06*this.blur*.5;for(f.putImageData(t.imageData,0,0),u.clearRect(0,0,o,a),c=-d;d>=c;c++)s=(Math.random()-.5)/4,l=c/d,h=g*l*o+s,u.globalAlpha=1-Math.abs(l),u.drawImage(i,h,s),f.drawImage(r,0,0),u.globalAlpha=1,u.clearRect(0,0,r.width,r.height);for(c=-d;d>=c;c++)s=(Math.random()-.5)/4,l=c/d,h=g*l*a+s,u.globalAlpha=1-Math.abs(l),u.drawImage(i,s,h),f.drawImage(r,0,0),u.globalAlpha=1,u.clearRect(0,0,r.width,r.height);t.ctx.drawImage(i,0,0);var p=t.ctx.getImageData(0,0,i.width,i.height);return f.globalAlpha=1,f.clearRect(0,0,i.width,i.height),p},getUniformLocations:function(t,e){return{delta:t.getUniformLocation(e,"uDelta")}},sendUniformData:function(t,e){var i=this.chooseRightDelta();t.uniform2fv(e.delta,i)},chooseRightDelta:function(){var t,e=1,i=[0,0];return this.horizontal?this.aspectRatio>1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),i.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Gamma=r(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",initialize:function(t){this.gamma=[1,1,1],i.BaseFilter.prototype.initialize.call(this,t)},applyTo2d:function(t){var e,i=t.imageData,r=i.data,n=this.gamma,o=r.length,s=1/n[0],a=1/n[1],l=1/n[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,o=256;o>e;e++)this.rVals[e]=255*Math.pow(e/255,s),this.gVals[e]=255*Math.pow(e/255,a),this.bVals[e]=255*Math.pow(e/255,l);for(e=0,o=r.length;o>e;e+=4)r[e]=this.rVals[r[e]],r[e+1]=this.gVals[r[e+1]],r[e+2]=this.bVals[r[e+2]]},getUniformLocations:function(t,e){return{uGamma:t.getUniformLocation(e,"uGamma")}},sendUniformData:function(t,e){t.uniform3fv(e.uGamma,this.gamma)}}),e.Image.filters.Gamma.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Composed=r(i.BaseFilter,{type:"Composed",subFilters:[],initialize:function(t){this.callSuper("initialize",t),this.subFilters=this.subFilters.slice(0)},applyTo:function(t){t.passes+=this.subFilters.length-1,this.subFilters.forEach(function(e){e.applyTo(t)})},toObject:function(){return e.util.object.extend(this.callSuper("toObject"),{subFilters:this.subFilters.map(function(t){return t.toObject()})})},isNeutralState:function(){return!this.subFilters.some(function(t){return!t.isNeutralState()})}}),e.Image.filters.Composed.fromObject=function(t,i){var r=t.subFilters||[],n=r.map(function(t){return new e.Image.filters[t.type](t)}),o=new e.Image.filters.Composed({subFilters:n});return i&&i(o),o}}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.HueRotation=r(i.ColorMatrix,{type:"HueRotation",rotation:0,mainParameter:"rotation",calculateMatrix:function(){var t=this.rotation*Math.PI,i=e.util.cos(t),r=e.util.sin(t),n=1/3,o=Math.sqrt(n)*r,s=1-i;this.matrix=[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],this.matrix[0]=i+s/3,this.matrix[1]=n*s-o,this.matrix[2]=n*s+o,this.matrix[5]=n*s+o,this.matrix[6]=i+n*s,this.matrix[7]=n*s-o,this.matrix[10]=n*s-o,this.matrix[11]=n*s+o,this.matrix[12]=i+n*s},isNeutralState:function(t){return this.calculateMatrix(),i.BaseFilter.prototype.isNeutralState.call(this,t)},applyTo:function(t){this.calculateMatrix(),i.BaseFilter.prototype.applyTo.call(this,t)}}),e.Image.filters.HueRotation.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this);!function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.clone;if(e.Text)return void e.warn("fabric.Text is already defined");var r="fontFamily fontWeight fontSize text underline overline linethrough textAlign fontStyle lineHeight textBackgroundColor charSpacing styles path".split(" ");e.Text=e.util.createClass(e.Object,{_dimensionAffectingProps:["fontSize","fontWeight","fontFamily","fontStyle","lineHeight","text","charSpacing","textAlign","styles","path"],_reNewline:/\r?\n/,_reSpacesAndTabs:/[ \t\r]/g,_reSpaceAndTab:/[ \t\r]/,_reWords:/\S+/g,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",underline:!1,overline:!1,linethrough:!1,textAlign:"left",fontStyle:"normal",lineHeight:1.16,superscript:{size:.6,baseline:-.35},subscript:{size:.6,baseline:.11},textBackgroundColor:"",stateProperties:e.Object.prototype.stateProperties.concat(r),cacheProperties:e.Object.prototype.cacheProperties.concat(r),stroke:null,shadow:null,path:null,_fontSizeFraction:.222,offsets:{underline:.1,linethrough:-.315,overline:-.88},_fontSizeMult:1.13,charSpacing:0,styles:null,_measuringContext:null,deltaY:0,_styleProperties:["stroke","strokeWidth","fill","fontFamily","fontSize","fontWeight","fontStyle","underline","overline","linethrough","deltaY","textBackgroundColor"],__charBounds:[],CACHE_FONT_SIZE:400,MIN_TEXT_WIDTH:2,initialize:function(t,e){this.styles=e?e.styles||{}:{},this.text=t,this.__skipDimension=!0,this.callSuper("initialize",e),this.path&&this.setPathInfo(),this.__skipDimension=!1,this.initDimensions(),this.setCoords(),this.setupState({propertySet:"_dimensionAffectingProps"})},setPathInfo:function(){var t=this.path;t&&(t.segmentsInfo=e.util.getPathSegmentsInfo(t.path))},getMeasuringContext:function(){return e._measuringContext||(e._measuringContext=this.canvas&&this.canvas.contextCache||e.util.createCanvasElement().getContext("2d")),e._measuringContext},_splitText:function(){var t=this._splitTextIntoLines(this.text);return this.textLines=t.lines,this._textLines=t.graphemeLines,this._unwrappedTextLines=t._unwrappedLines,this._text=t.graphemeText,t},initDimensions:function(){this.__skipDimension||(this._splitText(),this._clearCache(),this.path?(this.width=this.path.width,this.height=this.path.height):(this.width=this.calcTextWidth()||this.cursorWidth||this.MIN_TEXT_WIDTH,this.height=this.calcTextHeight()),-1!==this.textAlign.indexOf("justify")&&this.enlargeSpaces(),this.saveState({propertySet:"_dimensionAffectingProps"}))},enlargeSpaces:function(){for(var t,e,i,r,n,s,o,a=0,h=this._textLines.length;h>a;a++)if(("justify"===this.textAlign||a!==h-1&&!this.isEndOfWrapping(a))&&(r=0,n=this._textLines[a],e=this.getLineWidth(a),e<this.width&&(o=this.textLines[a].match(this._reSpacesAndTabs)))){i=o.length,t=(this.width-e)/i;for(var l=0,c=n.length;c>=l;l++)s=this.__charBounds[a][l],this._reSpaceAndTab.test(n[l])?(s.width+=t,s.kernedWidth+=t,s.left+=r,r+=t):s.left+=r}},isEndOfWrapping:function(t){return t===this._textLines.length-1},missingNewlineOffset:function(){return 1},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){"stroke"===this.paintFirst?(this._renderTextStroke(t),this._renderTextFill(t)):(this._renderTextFill(t),this._renderTextStroke(t))},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;i>e;e++){var r=this.getLineWidth(e);r>t&&(t=r)}return t},_renderTextLine:function(t,e,i,r,n,s){this._renderChars(t,e,i,r,n,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,r,n,s,o,a=t.fillStyle,h=this._getLeftOffset(),l=this._getTopOffset(),c=0,f=0,u=this.path,d=0,g=this._textLines.length;g>d;d++)if(e=this.getHeightOfLine(d),this.textBackgroundColor||this.styleHas("textBackgroundColor",d)){r=this._textLines[d],i=this._getLineLeftOffset(d),f=0,c=0,n=this.getValueOfPropertyAt(d,0,"textBackgroundColor");for(var p=0,m=r.length;m>p;p++)s=this.__charBounds[d][p],o=this.getValueOfPropertyAt(d,p,"textBackgroundColor"),u?(t.save(),t.translate(s.renderLeft,s.renderTop),t.rotate(s.angle),t.fillStyle=o,o&&t.fillRect(-s.width/2,-e/this.lineHeight*(1-this._fontSizeFraction),s.width,e/this.lineHeight),t.restore()):o!==n?(t.fillStyle=n,n&&t.fillRect(h+i+c,l,f,e/this.lineHeight),c=s.left,f=s.width,n=o):f+=s.kernedWidth;o&&!u&&(t.fillStyle=o,t.fillRect(h+i+c,l,f,e/this.lineHeight)),l+=e}else l+=e;t.fillStyle=a,this._removeShadow(t)}},getFontCache:function(t){var i=t.fontFamily.toLowerCase();e.charWidthsCache[i]||(e.charWidthsCache[i]={});var r=e.charWidthsCache[i],n=t.fontStyle.toLowerCase()+"_"+(t.fontWeight+"").toLowerCase();return r[n]||(r[n]={}),r[n]},_measureChar:function(t,e,i,r){var n,s,o,a,h=this.getFontCache(e),l=this._getFontDeclaration(e),c=this._getFontDeclaration(r),f=i+t,u=l===c,d=e.fontSize/this.CACHE_FONT_SIZE;if(i&&void 0!==h[i]&&(o=h[i]),void 0!==h[t]&&(a=n=h[t]),u&&void 0!==h[f]&&(s=h[f],a=s-o),void 0===n||void 0===o||void 0===s){var g=this.getMeasuringContext();this._setTextStyles(g,e,!0)}return void 0===n&&(a=n=g.measureText(t).width,h[t]=n),void 0===o&&u&&i&&(o=g.measureText(i).width,h[i]=o),u&&void 0===s&&(s=g.measureText(f).width,h[f]=s,a=s-o),{width:n*d,kernedWidth:a*d}},getHeightOfChar:function(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")},measureLine:function(t){var e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e},_measureLine:function(t){var i,r,n,s,o,a,h=0,l=this._textLines[t],c=0,f=new Array(l.length),u=0,d=this.path;for(this.__charBounds[t]=f,d&&(o=e.util.getPointOnPath(d.path,0,d.segmentsInfo),a=d.segmentsInfo[d.segmentsInfo.length-1].length,o.x+=d.pathOffset.x,o.y+=d.pathOffset.y),i=0;i<l.length;i++)r=l[i],s=this._getGraphemeBox(r,t,i,n),d&&(u>a&&(u%=a),this._setGraphemeOnPath(u,s,o)),f[i]=s,h+=s.kernedWidth,u+=s.kernedWidth,n=r;return f[i]={left:s?s.left+s.width:0,width:0,kernedWidth:0,height:this.fontSize},{width:h,numOfSpaces:c}},_setGraphemeOnPath:function(t,i,r){var n=t+i.kernedWidth/2,s=this.path,o=e.util.getPointOnPath(s.path,n,s.segmentsInfo);i.renderLeft=o.x-r.x,i.renderTop=o.y-r.y,i.angle=o.angle},_getGraphemeBox:function(t,e,i,r,n){var s,o=this.getCompleteStyleDeclaration(e,i),a=r?this.getCompleteStyleDeclaration(e,i-1):{},h=this._measureChar(t,o,r,a),l=h.kernedWidth,c=h.width;0!==this.charSpacing&&(s=this._getWidthOfCharSpacing(),c+=s,l+=s);var f={width:c,left:0,height:o.fontSize,kernedWidth:l,deltaY:o.deltaY};if(i>0&&!n){var u=this.__charBounds[e][i-1];f.left=u.left+u.width+h.kernedWidth-h.width}return f},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),r=1,n=e.length;n>r;r++)i=Math.max(this.getHeightOfChar(t,r),i);return this.__lineHeights[t]=i*this.lineHeight*this._fontSizeMult},calcTextHeight:function(){for(var t,e=0,i=0,r=this._textLines.length;r>i;i++)t=this.getHeightOfLine(i),e+=i===r-1?t/this.lineHeight:t;return e},_getLeftOffset:function(){return-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextCommon:function(t,e){t.save();for(var i=0,r=this._getLeftOffset(),n=this._getTopOffset(),s=0,o=this._textLines.length;o>s;s++){var a=this.getHeightOfLine(s),h=a/this.lineHeight,l=this._getLineLeftOffset(s);this._renderTextLine(e,t,this._textLines[s],r+l,n+i+h,s),i+=a}t.restore()},_renderTextFill:function(t){(this.fill||this.styleHas("fill"))&&this._renderTextCommon(t,"fillText")},_renderTextStroke:function(t){(this.stroke&&0!==this.strokeWidth||!this.isEmptyStyles())&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray),t.beginPath(),this._renderTextCommon(t,"strokeText"),t.closePath(),t.restore())},_renderChars:function(t,e,i,r,n,s){var o,a,h,l,c=this.getHeightOfLine(s),f=-1!==this.textAlign.indexOf("justify"),u="",d=0,g=this.path,p=!f&&0===this.charSpacing&&this.isEmptyStyles(s)&&!g;if(e.save(),n-=c*this._fontSizeFraction/this.lineHeight,p)return this._renderChar(t,e,s,0,i.join(""),r,n,c),void e.restore();for(var m=0,v=i.length-1;v>=m;m++)l=m===v||this.charSpacing||g,u+=i[m],h=this.__charBounds[s][m],0===d?(r+=h.kernedWidth-h.width,d+=h.width):d+=h.kernedWidth,f&&!l&&this._reSpaceAndTab.test(i[m])&&(l=!0),l||(o=o||this.getCompleteStyleDeclaration(s,m),a=this.getCompleteStyleDeclaration(s,m+1),l=this._hasStyleChanged(o,a)),l&&(g?(e.save(),e.translate(h.renderLeft,h.renderTop),e.rotate(h.angle),this._renderChar(t,e,s,m,u,-d/2,0,c),e.restore()):this._renderChar(t,e,s,m,u,r,n,c),u="",o=a,r+=d,d=0);e.restore()},_applyPatternGradientTransformText:function(t){var i,r=e.util.createCanvasElement(),n=this.width+this.strokeWidth,s=this.height+this.strokeWidth;return r.width=n,r.height=s,i=r.getContext("2d"),i.beginPath(),i.moveTo(0,0),i.lineTo(n,0),i.lineTo(n,s),i.lineTo(0,s),i.closePath(),i.translate(n/2,s/2),i.fillStyle=t.toLive(i),this._applyPatternGradientTransform(i,t),i.fill(),i.createPattern(r,"no-repeat")},handleFiller:function(t,e,i){var r,n;return i.toLive?"percentage"===i.gradientUnits||i.gradientTrasnform||i.patternTransform?(r=-this.width/2,n=-this.height/2,t.translate(r,n),t[e]=this._applyPatternGradientTransformText(i),{offsetX:r,offsetY:n}):(t[e]=i.toLive(t,this),this._applyPatternGradientTransform(t,i)):(t[e]=i,{offsetX:0,offsetY:0})},_setStrokeStyles:function(t,e){return t.lineWidth=e.strokeWidth,t.lineCap=this.strokeLineCap,t.lineDashOffset=this.strokeDashOffset,t.lineJoin=this.strokeLineJoin,t.miterLimit=this.strokeMiterLimit,this.handleFiller(t,"strokeStyle",e.stroke)},_setFillStyles:function(t,e){return this.handleFiller(t,"fillStyle",e.fill)},_renderChar:function(t,e,i,r,n,s,o){var a,h,l=this._getStyleDeclaration(i,r),c=this.getCompleteStyleDeclaration(i,r),f="fillText"===t&&c.fill,u="strokeText"===t&&c.stroke&&c.strokeWidth;(u||f)&&(e.save(),f&&(a=this._setFillStyles(e,c)),u&&(h=this._setStrokeStyles(e,c)),e.font=this._getFontDeclaration(c),l&&l.textBackgroundColor&&this._removeShadow(e),l&&l.deltaY&&(o+=l.deltaY),f&&e.fillText(n,s-a.offsetX,o-a.offsetY),u&&e.strokeText(n,s-h.offsetX,o-h.offsetY),e.restore())},setSuperscript:function(t,e){return this._setScript(t,e,this.superscript)},setSubscript:function(t,e){return this._setScript(t,e,this.subscript)},_setScript:function(t,e,i){var r=this.get2DCursorLocation(t,!0),n=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,"fontSize"),s=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,"deltaY"),o={fontSize:n*i.size,deltaY:s+n*i.baseline};return this.setSelectionStyles(o,t,e),this},_hasStyleChanged:function(t,e){return t.fill!==e.fill||t.stroke!==e.stroke||t.strokeWidth!==e.strokeWidth||t.fontSize!==e.fontSize||t.fontFamily!==e.fontFamily||t.fontWeight!==e.fontWeight||t.fontStyle!==e.fontStyle||t.deltaY!==e.deltaY},_hasStyleChangedForSvg:function(t,e){return this._hasStyleChanged(t,e)||t.overline!==e.overline||t.underline!==e.underline||t.linethrough!==e.linethrough},_getLineLeftOffset:function(t){var e=this.getLineWidth(t);return"center"===this.textAlign?(this.width-e)/2:"right"===this.textAlign?this.width-e:"justify-center"===this.textAlign&&this.isEndOfWrapping(t)?(this.width-e)/2:"justify-right"===this.textAlign&&this.isEndOfWrapping(t)?this.width-e:0},_clearCache:function(){this.__lineWidths=[],this.__lineHeights=[],this.__charBounds=[]},_shouldClearDimensionCache:function(){var t=this._forceClearCache;return t||(t=this.hasStateChanged("_dimensionAffectingProps")),t&&(this.dirty=!0,this._forceClearCache=!1),t},getLineWidth:function(t){if(this.__lineWidths[t])return this.__lineWidths[t];var e,i,r=this._textLines[t];return""===r?e=0:(i=this.measureLine(t),e=i.width),this.__lineWidths[t]=e,e},_getWidthOfCharSpacing:function(){return 0!==this.charSpacing?this.fontSize*this.charSpacing/1e3:0},getValueOfPropertyAt:function(t,e,i){var r=this._getStyleDeclaration(t,e);return r&&"undefined"!=typeof r[i]?r[i]:this[i]},_renderTextDecoration:function(t,e){if(this[e]||this.styleHas(e)){for(var i,r,n,s,o,a,h,l,c,f,u,d,g,p,m,v,x=this._getLeftOffset(),_=this._getTopOffset(),y=this.path,S=this._getWidthOfCharSpacing(),b=0,C=this._textLines.length;C>b;b++)if(i=this.getHeightOfLine(b),this[e]||this.styleHas(e,b)){h=this._textLines[b],p=i/this.lineHeight,s=this._getLineLeftOffset(b),f=0,u=0,l=this.getValueOfPropertyAt(b,0,e),v=this.getValueOfPropertyAt(b,0,"fill"),c=_+p*(1-this._fontSizeFraction),r=this.getHeightOfChar(b,0),o=this.getValueOfPropertyAt(b,0,"deltaY");for(var T=0,w=h.length;w>T;T++)d=this.__charBounds[b][T],g=this.getValueOfPropertyAt(b,T,e),m=this.getValueOfPropertyAt(b,T,"fill"),n=this.getHeightOfChar(b,T),a=this.getValueOfPropertyAt(b,T,"deltaY"),y&&g&&m?(t.save(),t.fillStyle=v,t.translate(d.renderLeft,d.renderTop),t.rotate(d.angle),t.fillRect(-d.kernedWidth/2,this.offsets[e]*n+a,d.kernedWidth,this.fontSize/15),t.restore()):(g!==l||m!==v||n!==r||a!==o)&&u>0?(l&&v&&(t.fillStyle=v,t.fillRect(x+s+f,c+this.offsets[e]*r+o,u,this.fontSize/15)),f=d.left,u=d.width,l=g,v=m,r=n,o=a):u+=d.kernedWidth;t.fillStyle=m,g&&m&&t.fillRect(x+s+f,c+this.offsets[e]*r+o,u-S,this.fontSize/15),_+=i}else _+=i;this._removeShadow(t)}},_getFontDeclaration:function(t,i){var r=t||this,n=this.fontFamily,s=e.Text.genericFonts.indexOf(n.toLowerCase())>-1,o=void 0===n||n.indexOf("'")>-1||n.indexOf(",")>-1||n.indexOf('"')>-1||s?r.fontFamily:'"'+r.fontFamily+'"';return[e.isLikelyNode?r.fontWeight:r.fontStyle,e.isLikelyNode?r.fontStyle:r.fontWeight,i?this.CACHE_FONT_SIZE+"px":r.fontSize+"px",o].join(" ")},render:function(t){this.visible&&(!this.canvas||!this.canvas.skipOffscreen||this.group||this.isOnScreen())&&(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),r=new Array(i.length),n=["\n"],s=[],o=0;o<i.length;o++)r[o]=e.util.string.graphemeSplit(i[o]),s=s.concat(r[o],n);return s.pop(),{_unwrappedLines:r,lines:i,graphemeText:s,graphemeLines:r}},toObject:function(t){var e=["text","fontSize","fontWeight","fontFamily","fontStyle","lineHeight","underline","overline","linethrough","textAlign","textBackgroundColor","charSpacing","path"].concat(t),r=this.callSuper("toObject",e);return r.styles=i(this.styles,!0),r.path=this.path&&this.path.toObject(),r},set:function(t,e){this.callSuper("set",t,e);var i=!1,r=!1;if("object"==typeof t)for(var n in t)"path"===n&&this.setPathInfo(),i=i||-1!==this._dimensionAffectingProps.indexOf(n),r=r||"path"===n;else i=-1!==this._dimensionAffectingProps.indexOf(t),r="path"===t;return r&&this.setPathInfo(),i&&(this.initDimensions(),this.setCoords()),this},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size letter-spacing text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,r,n){if(!t)return r(null);var s=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES),o=s.textAnchor||"left";if(n=e.util.object.extend(n?i(n):{},s),n.top=n.top||0,n.left=n.left||0,s.textDecoration){var a=s.textDecoration;-1!==a.indexOf("underline")&&(n.underline=!0),-1!==a.indexOf("overline")&&(n.overline=!0),-1!==a.indexOf("line-through")&&(n.linethrough=!0),delete n.textDecoration}"dx"in s&&(n.left+=s.dx),"dy"in s&&(n.top+=s.dy),"fontSize"in n||(n.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE);var h="";"textContent"in t?h=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(h=t.firstChild.data),h=h.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var l=n.strokeWidth;n.strokeWidth=0;var c=new e.Text(h,n),f=c.getScaledHeight()/c.height,u=(c.height+c.strokeWidth)*c.lineHeight-c.height,d=u*f,g=c.getScaledHeight()+d,p=0;"center"===o&&(p=c.getScaledWidth()/2),"right"===o&&(p=c.getScaledWidth()),c.set({left:c.left-p,top:c.top-(g-c.fontSize*(.07+c._fontSizeFraction))/c.lineHeight,strokeWidth:"undefined"!=typeof l?l:1}),r(c)},e.Text.fromObject=function(t,r){var n=i(t),s=t.path;return delete n.path,e.Object._fromObject("Text",n,function(t){s?e.Object._fromObject("Path",s,function(e){t.set("path",e),r(t)},"path"):r(t)},"text")},e.Text.genericFonts=["sans-serif","serif","cursive","fantasy","monospace"],e.util.createAccessors&&e.util.createAccessors(e.Text)}("undefined"!=typeof exports?exports:this);!function(){fabric.util.object.extend(fabric.Text.prototype,{isEmptyStyles:function(t){if(!this.styles)return!0;if("undefined"!=typeof t&&!this.styles[t])return!0;var e="undefined"==typeof t?this.styles:{line:this.styles[t]};for(var i in e)for(var r in e[i])for(var n in e[i][r])return!1;return!0},styleHas:function(t,e){if(!this.styles||!t||""===t)return!1;if("undefined"!=typeof e&&!this.styles[e])return!1;var i="undefined"==typeof e?this.styles:{0:this.styles[e]};for(var r in i)for(var n in i[r])if("undefined"!=typeof i[r][n][t])return!0;return!1},cleanStyle:function(t){if(!this.styles||!t||""===t)return!1;var e,i,r,n=this.styles,s=0,o=!0,a=0;for(var h in n){e=0;for(var c in n[h]){var r=n[h][c],l=r.hasOwnProperty(t);s++,l?(i?r[t]!==i&&(o=!1):i=r[t],r[t]===this[t]&&delete r[t]):o=!1,0!==Object.keys(r).length?e++:delete n[h][c]}0===e&&delete n[h]}for(var u=0;u<this._textLines.length;u++)a+=this._textLines[u].length;o&&s===a&&(this[t]=i,this.removeStyle(t))},removeStyle:function(t){if(this.styles&&t&&""!==t){var e,i,r,n=this.styles;for(i in n){e=n[i];for(r in e)delete e[r][t],0===Object.keys(e[r]).length&&delete e[r];0===Object.keys(e).length&&delete n[i]}}},_extendStyles:function(t,e){var i=this.get2DCursorLocation(t);this._getLineStyle(i.lineIndex)||this._setLineStyle(i.lineIndex),this._getStyleDeclaration(i.lineIndex,i.charIndex)||this._setStyleDeclaration(i.lineIndex,i.charIndex,{}),fabric.util.object.extend(this._getStyleDeclaration(i.lineIndex,i.charIndex),e)},get2DCursorLocation:function(t,e){"undefined"==typeof t&&(t=this.selectionStart);for(var i=e?this._unwrappedTextLines:this._textLines,r=i.length,n=0;r>n;n++){if(t<=i[n].length)return{lineIndex:n,charIndex:t};t-=i[n].length+this.missingNewlineOffset(n)}return{lineIndex:n-1,charIndex:i[n-1].length<t?i[n-1].length:t}},getSelectionStyles:function(t,e,i){"undefined"==typeof t&&(t=this.selectionStart||0),"undefined"==typeof e&&(e=this.selectionEnd||t);for(var r=[],n=t;e>n;n++)r.push(this.getStyleAtPosition(n,i));return r},getStyleAtPosition:function(t,e){var i=this.get2DCursorLocation(t),r=e?this.getCompleteStyleDeclaration(i.lineIndex,i.charIndex):this._getStyleDeclaration(i.lineIndex,i.charIndex);return r||{}},setSelectionStyles:function(t,e,i){"undefined"==typeof e&&(e=this.selectionStart||0),"undefined"==typeof i&&(i=this.selectionEnd||e);for(var r=e;i>r;r++)this._extendStyles(r,t);return this._forceClearCache=!0,this},_getStyleDeclaration:function(t,e){var i=this.styles&&this.styles[t];return i?i[e]:null},getCompleteStyleDeclaration:function(t,e){for(var i,r=this._getStyleDeclaration(t,e)||{},n={},s=0;s<this._styleProperties.length;s++)i=this._styleProperties[s],n[i]="undefined"==typeof r[i]?this[i]:r[i];return n},_setStyleDeclaration:function(t,e,i){this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){delete this.styles[t][e]},_getLineStyle:function(t){return!!this.styles[t]},_setLineStyle:function(t){this.styles[t]={}},_deleteLineStyle:function(t){delete this.styles[t]}})}();!function(){function t(t){t.textDecoration&&(t.textDecoration.indexOf("underline")>-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}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:"",cursorDelay:1e3,cursorDuration:600,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},initDimensions:function(){this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this.callSuper("initDimensions")},render:function(t){this.clearContextTop(),this.callSuper("render",t),this.cursorOffsetCache={},this.renderCursorOrSelection()},_render:function(t){this.callSuper("_render",t)},clearContextTop:function(t){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var e=this.canvas.contextTop,i=this.canvas.viewportTransform;e.save(),e.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this.transform(e),this._clearTextArea(e),t||e.restore()}},renderCursorOrSelection:function(){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var t=this._getCursorBoundaries(),e=this.canvas.contextTop;this.clearContextTop(!0),this.selectionStart===this.selectionEnd?this.renderCursor(t,e):this.renderSelection(t,e),e.restore()}},_clearTextArea:function(t){var e=this.width+4,i=this.height+4;t.clearRect(-e/2,-i/2,e,i)},_getCursorBoundaries:function(t){"undefined"==typeof t&&(t=this.selectionStart);var e=this._getLeftOffset(),i=this._getTopOffset(),r=this._getCursorBoundariesOffsets(t);return{left:e,top:i,leftOffset:r.left,topOffset:r.top}},_getCursorBoundariesOffsets:function(t){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache)return this.cursorOffsetCache;var e,i,r,n,s=0,o=0,a=this.get2DCursorLocation(t);r=a.charIndex,i=a.lineIndex;for(var h=0;i>h;h++)s+=this.getHeightOfLine(h);e=this._getLineLeftOffset(i);var c=this.__charBounds[i][r];return c&&(o=c.left),0!==this.charSpacing&&r===this._textLines[i].length&&(o-=this._getWidthOfCharSpacing()),n={top:s,left:e+(o>0?o:0)},this.cursorOffsetCache=n,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(r,n,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,h=t.topOffset,c=this.getValueOfPropertyAt(r,n,"deltaY");h+=(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.cursorColor||this.getValueOfPropertyAt(r,n,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,h+t.top+c,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,r=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,n=-1!==this.textAlign.indexOf("justify"),s=this.get2DCursorLocation(i),o=this.get2DCursorLocation(r),a=s.lineIndex,h=o.lineIndex,c=s.charIndex<0?0:s.charIndex,l=o.charIndex<0?0:o.charIndex,u=a;h>=u;u++){var f=this._getLineLeftOffset(u)||0,d=this.getHeightOfLine(u),g=0,p=0,m=0;if(u===a&&(p=this.__charBounds[a][c].left),u>=a&&h>u)m=n&&!this.isEndOfWrapping(u)?this.width:this.getLineWidth(u)||5;else if(u===h)if(0===l)m=this.__charBounds[h][l].left;else{var v=this._getWidthOfCharSpacing();m=this.__charBounds[h][l-1].left+this.__charBounds[h][l-1].width-v}g=d,(this.lineHeight<1||u===h&&this.lineHeight>1)&&(d/=this.lineHeight),this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",e.fillRect(t.left+f+p,t.top+t.topOffset+d,m-p,1)):(e.fillStyle=this.selectionColor,e.fillRect(t.left+f+p,t.top+t.topOffset,m-p,d)),t.topOffset+=g}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),fabric.IText.fromObject=function(e,i){if(t(e),e.styles)for(var r in e.styles)for(var n in e.styles[r])t(e.styles[r][n]);fabric.Object._fromObject("IText",e,i,"text")}}();!function(){var t=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(){this.isEditing&&this.exitEditing(),this.selected=!1},initAddedHandler:function(){var t=this;this.on("added",function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))})},initRemovedHandler:function(){var t=this;this.on("removed",function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],fabric.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})},t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,r){var n;return n={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){n.isAborted||t[r]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return n.isAborted}}),n},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState,e=this.canvas;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&e&&e.clearContext(e.contextTop||e.contextContainer)},selectAll:function(){return this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea(),this},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i<this._text.length;)e++,i++;return t+e},findLineBoundaryLeft:function(t){for(var e=0,i=t-1;!/\n/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i<this._text.length;)e++,i++;return t+e},searchWordBoundary:function(t,e){for(var i=this._text,r=this._reSpace.test(i[t])?t-1:t,n=i[r],s=fabric.reNonWord;!s.test(n)&&r>0&&r<i.length;)r+=e,n=i[r];return s.test(n)&&(r+=1===e?0:1),r},selectWord:function(t){t=t||this.selectionStart;var e=this.searchWordBoundary(t,-1),i=this.searchWordBoundary(t,1);this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()},selectLine:function(t){t=t||this.selectionStart;var e=this.findLineBoundaryLeft(t),i=this.findLineBoundaryRight(t);return this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this},enterEditing:function(t){return!this.isEditing&&this.editable?(this.canvas&&(this.canvas.calcOffset(),this.exitEditingOnOthers(this.canvas)),this.isEditing=!0,this.initHiddenTextarea(t),this.hiddenTextarea.focus(),this.hiddenTextarea.value=this.text,this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._textBeforeEdit=this.text,this._tick(),this.fire("editing:entered"),this._fireSelectionChanged(),this.canvas?(this.canvas.fire("text:editing:entered",{target:this}),this.initMouseMoveHandler(),this.canvas.requestRenderAll(),this):this):void 0},exitEditingOnOthers:function(t){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.selected=!1,t.isEditing&&t.exitEditing()})},initMouseMoveHandler:function(){this.canvas.on("mouse:move",this.mouseMoveHandler)},mouseMoveHandler:function(t){if(this.__isMousedown&&this.isEditing){var e=this.getSelectionStartFromPointer(t.e),i=this.selectionStart,r=this.selectionEnd;(e===this.__selectionStartOnMouseDown&&i!==r||i!==e&&r!==e)&&(e>this.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),(this.selectionStart!==i||this.selectionEnd!==r)&&(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_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},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),n=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=fabric.util.string.graphemeSplit(s).length;return{selectionStart:n,selectionEnd:n+o}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t),n=r.join("").length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=s.join("").length;return{selectionStart:n,selectionEnd:n+o}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),h={x:e.left+o,y:e.top+e.topOffset+s},c=this.canvas.getRetinaScaling(),l=this.canvas.upperCanvasEl,u=l.width/c,f=l.height/c,d=u-s,g=f-s,p=l.clientWidth/u,m=l.clientHeight/f;return h=fabric.util.transformPoint(h,a),h=fabric.util.transformPoint(h,this.canvas.viewportTransform),h.x*=p,h.y*=m,h.x<0&&(h.x=0),h.x>d&&(h.x=d),h.y<0&&(h.y=0),h.y>g&&(h.y=g),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,selectable:this.selectable,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.hoverCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.selectable=this._savedProps.selectable,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(){var t=this._textBeforeEdit!==this.text,e=this.hiddenTextarea;return this.selected=!1,this.isEditing=!1,this.selectionEnd=this.selectionStart,e&&(e.blur&&e.blur(),e.parentNode&&e.parentNode.removeChild(e)),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,r,n=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=n.lineIndex,a=n.charIndex,h=s.lineIndex,c=s.charIndex;if(o!==h){if(this.styles[o])for(i=a;i<this._unwrappedTextLines[o].length;i++)delete this.styles[o][i];if(this.styles[h])for(i=c;i<this._unwrappedTextLines[h].length;i++)r=this.styles[h][i],r&&(this.styles[o]||(this.styles[o]={}),this.styles[o][a+i-c]=r);for(i=o+1;h>=i;i++)delete this.styles[i];this.shiftLineStyles(h,o-h)}else if(this.styles[o]){r=this.styles[o];var l,u,f=c-a;for(i=a;c>i;i++)delete r[i];for(u in this.styles[o])l=parseInt(u,10),l>=c&&(r[l-f]=r[u],delete r[u])}},shiftLineStyles:function(e,i){var r=t(this.styles);for(var n in this.styles){var s=parseInt(n,10);s>e&&(this.styles[s+i]=r[s],r[s-i]||delete this.styles[s])}},restartCursorIfNeeded:function(){(!this._currentTickState||this._currentTickState.isAborted||!this._currentTickCompleteState||this._currentTickCompleteState.isAborted)&&this.initDelayedCursor()},insertNewlineStyleObject:function(e,i,r,n){var s,o={},a=!1,h=this._unwrappedTextLines[e].length===i;r||(r=1),this.shiftLineStyles(e,r),this.styles[e]&&(s=this.styles[e][0===i?i:i-1]);for(var c in this.styles[e]){var l=parseInt(c,10);l>=i&&(a=!0,o[l-i]=this.styles[e][c],h&&0===i||delete this.styles[e][c])}var u=!1;for(a&&!h&&(this.styles[e+r]=o,u=!0),u&&r--;r>0;)n&&n[r-1]?this.styles[e+r]={0:t(n[r-1])}:s?this.styles[e+r]={0:t(s)}:delete this.styles[e+r],r--;this._forceClearCache=!0},insertCharStyleObject:function(e,i,r,n){this.styles||(this.styles={});var s=this.styles[e],o=s?t(s):{};r||(r=1);for(var a in o){var h=parseInt(a,10);h>=i&&(s[h+r]=o[h],o[h-r]||delete s[h])}if(this._forceClearCache=!0,n)for(;r--;)Object.keys(n[r]).length&&(this.styles[e]||(this.styles[e]={}),this.styles[e][i+r]=t(n[r]));else if(s)for(var c=s[i?i-1:1];c&&r--;)this.styles[e][i+r]=t(c)},insertNewStyleBlock:function(t,e,i){for(var r=this.get2DCursorLocation(e,!0),n=[0],s=0,o=0;o<t.length;o++)"\n"===t[o]?(s++,n[s]=0):n[s]++;n[0]>0&&(this.insertCharStyleObject(r.lineIndex,r.charIndex,n[0],i),i=i&&i.slice(n[0]+1)),s&&this.insertNewlineStyleObject(r.lineIndex,r.charIndex+n[0],s);for(var o=1;s>o;o++)n[o]>0?this.insertCharStyleObject(r.lineIndex+o,0,n[o],i):i&&(this.styles[r.lineIndex+o][0]=i[0]),i=i&&i.slice(n[o]+1);n[o]>0&&this.insertCharStyleObject(r.lineIndex+o,0,n[o],i)},setSelectionStartEndWithShift:function(t,e,i){t>=i?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=i):i>t&&e>i?"right"===this._selectionDirection?this.selectionEnd=i:this.selectionStart=i:(e===t?this._selectionDirection="right":"left"===this._selectionDirection&&(this._selectionDirection="right",this.selectionStart=e),this.selectionEnd=i)},setSelectionInBoundaries:function(){var t=this.text.length;this.selectionStart>t?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}();fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown)},onMouseDown:function(t){if(this.canvas){this.__newClickTime=+new Date;var e=t.pointer;this.isTripleClick(e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected}},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},doubleClickHandler:function(t){this.isEditing&&this.selectWord(this.getSelectionStartFromPointer(t.e))},tripleClickHandler:function(t){this.isEditing&&this.selectLine(this.getSelectionStartFromPointer(t.e))},initClicks:function(){this.on("mousedblclick",this.doubleClickHandler),this.on("tripleclick",this.tripleClickHandler)},_mouseDownHandler:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.__isMousedown=!0,this.selected&&(this.inCompositionMode=!1,this.setCursorByClick(t.e)),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection()))},_mouseDownHandlerBefore:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.selected=this===this.canvas._activeObject)},initMousedownHandler:function(){this.on("mousedown",this._mouseDownHandler),this.on("mousedown:before",this._mouseDownHandlerBefore)},initMouseupHandler:function(){this.on("mouseup",this.mouseUpHandler)},mouseUpHandler:function(t){if(this.__isMousedown=!1,!(!this.editable||this.group||t.transform&&t.transform.actionPerformed||t.e.button&&1!==t.e.button)){if(this.canvas){var e=this.canvas._activeObject;if(e&&e!==this)return}this.__lastSelected&&!this.__corner?(this.selected=!1,this.__lastSelected=!1,this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()):this.selected=!0}},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e,i,r=this.getLocalPointer(t),n=0,a=0,s=0,o=0,h=0,l=0,c=this._textLines.length;c>l&&s<=r.y;l++)s+=this.getHeightOfLine(l)*this.scaleY,h=l,l>0&&(o+=this._textLines[l-1].length+this.missingNewlineOffset(l-1));e=this._getLineLeftOffset(h),a=e*this.scaleX,i=this._textLines[h];for(var f=0,u=i.length;u>f&&(n=a,a+=this.__charBounds[h][f].kernedWidth*this.scaleX,a<=r.x);f++)o++;return this._getNewSelectionStartFromOffset(r,n,a,o,u)},_getNewSelectionStartFromOffset:function(t,e,i,r,n){var a=t.x-e,s=i-t.x,o=s>a||0>s?0:1,h=r+o;return this.flipX&&(h=n-h),h>this._text.length&&(h=this._text.length),h}});fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea",""),this.hiddenTextarea.setAttribute("wrap","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; paddingｰtop: "+t.fontSize+";",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){if(t.keyCode in this.keysMap)this[this.keysMap[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.inCompositionMode=!1,this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){return!this.isEditing||this._copyDone||this.inCompositionMode?void(this._copyDone=!1):void(t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll()))},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,n,r,s,a,o=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,h=this._text.length,c=o.length,l=c-h,f=this.selectionStart,u=this.selectionEnd,d=f!==u;if(""===this.hiddenTextarea.value)return this.styles={},this.updateFromTextArea(),this.fire("changed"),void(this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll()));var g=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),p=f>g.selectionStart;d?(i=this._text.slice(f,u),l+=u-f):h>c&&(i=p?this._text.slice(u+l,u):this._text.slice(f,f-l)),n=o.slice(g.selectionEnd-l,g.selectionEnd),i&&i.length&&(n.length&&(r=this.getSelectionStyles(f,f+1,!1),r=n.map(function(){return r[0]})),d?(s=f,a=u):p?(s=u-i.length,a=u):(s=u,a=u+i.length),this.removeStyleFromTo(s,a)),n.length&&(e&&n.join("")===fabric.copiedText&&!fabric.disableStyleCopyPaste&&(r=fabric.copiedTextStyle),this.insertNewStyleBlock(n,f,r)),this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())}},onCompositionStart:function(){this.inCompositionMode=!0},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){this.compositionStart=t.target.selectionStart,this.compositionEnd=t.target.selectionEnd,this.updateTextareaPosition()},copy:function(){this.selectionStart!==this.selectionEnd&&(fabric.copiedText=this.getSelectedText(),fabric.copiedTextStyle=fabric.disableStyleCopyPaste?null:this.getSelectionStyles(this.selectionStart,this.selectionEnd,!0),this._copyDone=!0)},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,n=this._getLineLeftOffset(t);return e>0&&(i=this.__charBounds[t][e-1],n+=i.left+i.width),n},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),n=this.get2DCursorLocation(i),r=n.lineIndex;if(r===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=n.charIndex,a=this._getWidthBeforeCursor(r,s),o=this._getIndexOnLine(r+1,a),h=this._textLines[r].slice(s);return h.length+o+1+this.missingNewlineOffset(r)},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),n=this.get2DCursorLocation(i),r=n.lineIndex;if(0===r||t.metaKey||33===t.keyCode)return-i;var s=n.charIndex,a=this._getWidthBeforeCursor(r,s),o=this._getIndexOnLine(r-1,a),h=this._textLines[r].slice(0,s),c=this.missingNewlineOffset(r-1);return-this._textLines[r-1].length+o-h.length+(1-c)},_getIndexOnLine:function(t,e){for(var i,n,r=this._textLines[t],s=this._getLineLeftOffset(t),a=s,o=0,h=0,c=r.length;c>h;h++)if(i=this.__charBounds[t][h].width,a+=i,a>e){n=!0;var l=a-i,f=a,u=Math.abs(l-e),d=Math.abs(f-e);o=u>d?h:h-1;break}return n||(o=r.length-1),o},moveCursorDown:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){(0!==this.selectionStart||0!==this.selectionEnd)&&this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i="get"+t+"CursorOffset",n=this[i](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(n):this.moveCursorWithoutShift(n),0!==n&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return 0>t?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){(0!==this.selectionStart||0!==this.selectionEnd)&&this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var n;if(t.altKey)n=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;n=this["findLineBoundary"+i](this[e])}return void 0!==typeof n&&this[e]!==n?(this[e]=n,!0):void 0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,i+=e.shiftKey?"Shift":"outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t,e){"undefined"==typeof e&&(e=t+1),this.removeStyleFromTo(t,e),this._text.splice(t,e-t),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()},insertChars:function(t,e,i,n){"undefined"==typeof n&&(n=i),n>i&&this.removeStyleFromTo(i,n);var r=fabric.util.string.graphemeSplit(t);this.insertNewStyleBlock(r,i,e),this._text=[].concat(this._text.slice(0,i),r,this._text.slice(n)),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()}});!function(){var t=fabric.util.toFixed,e=/  +/g;fabric.util.object.extend(fabric.Text.prototype,{_toSVG:function(){var t=this._getSVGLeftTopOffsets(),e=this._getSVGTextAndBg(t.textTop,t.textLeft);return this._wrapSVGTextAndBg(e)},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,noStyle:!0,withShadow:!0})},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t){var e=!0,i=this.getSvgTextDecoration(this);return[t.textBgRects.join(""),'		<text xml:space="preserve" ',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+'" ':"",i?'text-decoration="'+i+'" ':"",'style="',this.getSvgStyles(e),'"',this.addPaintOrder()," >",t.textSpans.join(""),"</text>\n"]},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],a=t;this._setSVGBg(n);for(var s=0,h=this._textLines.length;h>s;s++)i=this._getLineLeftOffset(s),(this.textBackgroundColor||this.styleHas("textBackgroundColor",s))&&this._setSVGTextLineBg(n,s,e+i,a),this._setSVGTextLineText(r,s,e+i,a),a+=this.getHeightOfLine(s);return{textSpans:r,textBgRects:n}},_createTextCharSpan:function(i,r,n,a){var s=i!==i.trim()||i.match(e),h=this.getSvgSpanStyles(r,s),o=h?'style="'+h+'"':"",c=r.deltaY,l="",f=fabric.Object.NUM_FRACTION_DIGITS;return c&&(l=' dy="'+t(c,f)+'" '),['<tspan x="',t(n,f),'" y="',t(a,f),'" ',l,o,">",fabric.util.string.escapeXml(i),"</tspan>"].join("")},_setSVGTextLineText:function(t,e,i,r){var n,a,s,h,o,c=this.getHeightOfLine(e),l=-1!==this.textAlign.indexOf("justify"),f="",u=0,g=this._textLines[e];r+=c*(1-this._fontSizeFraction)/this.lineHeight;for(var d=0,p=g.length-1;p>=d;d++)o=d===p||this.charSpacing,f+=g[d],s=this.__charBounds[e][d],0===u?(i+=s.kernedWidth-s.width,u+=s.width):u+=s.kernedWidth,l&&!o&&this._reSpaceAndTab.test(g[d])&&(o=!0),o||(n=n||this.getCompleteStyleDeclaration(e,d),a=this.getCompleteStyleDeclaration(e,d+1),o=this._hasStyleChangedForSvg(n,a)),o&&(h=this._getStyleDeclaration(e,d)||{},t.push(this._createTextCharSpan(f,h,i,r)),f="",n=a,i+=u,u=0)},_pushTextBgRect:function(e,i,r,n,a,s){var h=fabric.Object.NUM_FRACTION_DIGITS;e.push("		<rect ",this._getFillAttributes(i),' x="',t(r,h),'" y="',t(n,h),'" width="',t(a,h),'" height="',t(s,h),'"></rect>\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,a,s=this._textLines[e],h=this.getHeightOfLine(e)/this.lineHeight,o=0,c=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),f=0,u=s.length;u>f;f++)n=this.__charBounds[e][f],a=this.getValueOfPropertyAt(e,f,"textBackgroundColor"),a!==l?(l&&this._pushTextBgRect(t,l,i+c,r,o,h),c=n.left,o=n.width,l=a):o+=n.kernedWidth;a&&this._pushTextBgRect(t,a,i+c,r,o,h)},_getFillAttributes:function(t){var e=t&&"string"==typeof t?new fabric.Color(t):"";return e&&e.getSource()&&1!==e.getAlpha()?'opacity="'+e.getAlpha()+'" fill="'+e.setAlpha(1).toRgb()+'"':'fill="'+t+'"'},_getSVGLineTopOffset:function(t){for(var e=0,i=0,r=0;t>r;r++)e+=this.getHeightOfLine(r);return i=this.getHeightOfLine(r),{lineTop:e,offset:(this._fontSizeMult-this._fontSizeFraction)*i/(this.lineHeight*this._fontSizeMult)}},getSvgStyles:function(t){var e=fabric.Object.prototype.getSvgStyles.call(this,t);return e+" white-space: pre;"}})}();!function(t){"use strict";var e=t.fabric||(t.fabric={});e.Textbox=e.util.createClass(e.IText,e.Observable,{type:"textbox",minWidth:20,dynamicMinWidth:2,__cachedLines:null,lockScalingFlip:!0,noScaleCache:!1,_dimensionAffectingProps:e.Text.prototype._dimensionAffectingProps.concat("width"),_wordJoiners:/[ \t\r]/,splitByGrapheme:!1,initDimensions:function(){this.__skipDimension||(this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this._clearCache(),this.dynamicMinWidth=0,this._styleMap=this._generateStyleMap(this._splitText()),this.dynamicMinWidth>this.width&&this._set("width",this.dynamicMinWidth),-1!==this.textAlign.indexOf("justify")&&this.enlargeSpaces(),this.height=this.calcTextHeight(),this.saveState({propertySet:"_dimensionAffectingProps"}))},_generateStyleMap:function(t){for(var e=0,i=0,r=0,n={},s=0;s<t.graphemeLines.length;s++)"\n"===t.graphemeText[r]&&s>0?(i=0,r++,e++):!this.splitByGrapheme&&this._reSpaceAndTab.test(t.graphemeText[r])&&s>0&&(i++,r++),n[s]={line:e,offset:i},r+=t.graphemeLines[s].length,i+=t.graphemeLines[s].length;return n},styleHas:function(t,i){if(this._styleMap&&!this.isWrapping){var r=this._styleMap[i];r&&(i=r.line)}return e.Text.prototype.styleHas.call(this,t,i)},isEmptyStyles:function(t){if(!this.styles)return!0;var e,i,r=0,n=t+1,s=!1,o=this._styleMap[t],a=this._styleMap[t+1];o&&(t=o.line,r=o.offset),a&&(n=a.line,s=n===t,e=a.offset),i="undefined"==typeof t?this.styles:{line:this.styles[t]};for(var h in i)for(var c in i[h])if(c>=r&&(!s||e>c))for(var l in i[h][c])return!1;return!0},_getStyleDeclaration:function(t,e){if(this._styleMap&&!this.isWrapping){var i=this._styleMap[t];if(!i)return null;t=i.line,e=i.offset+e}return this.callSuper("_getStyleDeclaration",t,e)},_setStyleDeclaration:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return!!this.styles[e.line]},_setLineStyle:function(t){var e=this._styleMap[t];this.styles[e.line]={}},_wrapText:function(t,e){var i,r=[];for(this.isWrapping=!0,i=0;i<t.length;i++)r=r.concat(this._wrapLine(t[i],i,e));return this.isWrapping=!1,r},_measureWord:function(t,e,i){var r,n=0,s=!0;i=i||0;for(var o=0,a=t.length;a>o;o++){var h=this._getGraphemeBox(t[o],e,o+i,r,s);n+=h.kernedWidth,r=t[o]}return n},_wrapLine:function(t,i,r,n){var s=0,o=this.splitByGrapheme,a=[],h=[],c=o?e.util.string.graphemeSplit(t):t.split(this._wordJoiners),l="",u=0,f=o?"":" ",d=0,g=0,p=0,m=!0,v=this._getWidthOfCharSpacing(),n=n||0;0===c.length&&c.push([]),r-=n;for(var x=0;x<c.length;x++)l=o?c[x]:e.util.string.graphemeSplit(c[x]),d=this._measureWord(l,i,u),u+=l.length,s+=g+d-v,s>r&&!m?(a.push(h),h=[],s=d,m=!0):s+=v,m||o||h.push(f),h=h.concat(l),g=o?0:this._measureWord([f],i,u),u++,m=!1,d>p&&(p=d);return x&&a.push(h),p+n>this.dynamicMinWidth&&(this.dynamicMinWidth=p-v+n),a},isEndOfWrapping:function(t){return this._styleMap[t+1]?this._styleMap[t+1].line!==this._styleMap[t].line?!0:!1:!0},missingNewlineOffset:function(t){return this.splitByGrapheme?this.isEndOfWrapping(t)?1:0:1},_splitTextIntoLines:function(t){for(var i=e.Text.prototype._splitTextIntoLines.call(this,t),r=this._wrapText(i.lines,this.width),n=new Array(r.length),s=0;s<r.length;s++)n[s]=r[s].join("");return i.lines=n,i.graphemeLines=r,i},getMinWidth:function(){return Math.max(this.minWidth,this.dynamicMinWidth)},_removeExtraneousStyles:function(){var t={};for(var e in this._styleMap)this._textLines[e]&&(t[this._styleMap[e].line]=1);for(var e in this.styles)t[e]||delete this.styles[e]},toObject:function(t){return this.callSuper("toObject",["minWidth","splitByGrapheme"].concat(t))}}),e.Textbox.fromObject=function(t,i){return e.Object._fromObject("Textbox",t,i,"text")}}("undefined"!=typeof exports?exports:this);!function(){var t=fabric.controlsUtils,e=t.scaleSkewCursorStyleHandler,i=t.scaleCursorStyleHandler,r=t.scalingEqually,n=t.scalingYOrSkewingX,a=t.scalingXOrSkewingY,o=t.scaleOrSkewActionName,s=fabric.Object.prototype.controls;if(s.ml=new fabric.Control({x:-.5,y:0,cursorStyleHandler:e,actionHandler:a,getActionName:o}),s.mr=new fabric.Control({x:.5,y:0,cursorStyleHandler:e,actionHandler:a,getActionName:o}),s.mb=new fabric.Control({x:0,y:.5,cursorStyleHandler:e,actionHandler:n,getActionName:o}),s.mt=new fabric.Control({x:0,y:-.5,cursorStyleHandler:e,actionHandler:n,getActionName:o}),s.tl=new fabric.Control({x:-.5,y:-.5,cursorStyleHandler:i,actionHandler:r}),s.tr=new fabric.Control({x:.5,y:-.5,cursorStyleHandler:i,actionHandler:r}),s.bl=new fabric.Control({x:-.5,y:.5,cursorStyleHandler:i,actionHandler:r}),s.br=new fabric.Control({x:.5,y:.5,cursorStyleHandler:i,actionHandler:r}),s.mtr=new fabric.Control({x:0,y:-.5,actionHandler:t.rotationWithSnapping,cursorStyleHandler:t.rotationStyleHandler,offsetY:-40,withConnection:!0,actionName:"rotate"}),fabric.Textbox){var l=fabric.Textbox.prototype.controls={};l.mtr=s.mtr,l.tr=s.tr,l.br=s.br,l.tl=s.tl,l.bl=s.bl,l.mt=s.mt,l.mb=s.mb,l.mr=new fabric.Control({x:.5,y:0,actionHandler:t.changeWidth,cursorStyleHandler:e,actionName:"resizing"}),l.ml=new fabric.Control({x:-.5,y:0,actionHandler:t.changeWidth,cursorStyleHandler:e,actionName:"resizing"})}}();