var fabric=fabric||{version:"2.0.0-beta7"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window):(fabric.document=require("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"]}}),fabric.window=fabric.document.defaultView),fabric.isTouchSupported="ontouchstart"in fabric.window,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-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id","paint-order","instantiated_by_use"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.iMatrix=[1,0,0,1,0,0],fabric.canvasModule="canvas",fabric.perfLimitSizeTotal=2097152,fabric.maxCacheSideLimit=4096,fabric.minCacheSideLimit=256,fabric.charWidthsCache={},fabric.textureSize=2048,fabric.enableGLFiltering=!0,fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,fabric.browserShadowBlurConstant=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){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){var i=this.__eventListeners[t];if(i){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={observe:e,stopObserving:i,fire:r,on:e,off:i,trigger:r}}();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.getObjects();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.getObjects(),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:this._objects.filter(function(e){return e.type===t})},item:function(t){return this.getObjects()[t]},isEmpty:function(){return 0===this.getObjects().length},size:function(){return this.getObjects().length},contains:function(t){return this.getObjects().indexOf(t)>-1},complexity:function(){return this.getObjects().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))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var e=fabric.util.getFunctionBody(t.clipTo);"undefined"!=typeof e&&(this.clipTo=new Function("ctx",e))}},_setObject:function(t){for(var e in t)this._set(e,t[e])},set:function(t,e){return"object"==typeof t?this._setObject(t):"function"==typeof e&&"clipTo"!==t?this._set(t,e(this.get(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.abs,s=Math.PI/180;fabric.util={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*s},radiansToDegrees:function(t){return t/s},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=Math.sin(e),r=Math.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){var e=[t[0].x,t[1].x,t[2].x,t[3].x],i=fabric.util.array.min(e),r=fabric.util.array.max(e),n=r-i,s=[t[0].y,t[1].y,t[2].y,t[3].y],o=fabric.util.array.min(s),a=fabric.util.array.max(s),c=a-o;return{left:i,top:o,width:n,height:c}},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),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")&&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)}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 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 c=s-r,h=o-n,l=e(c*c+h*h),u=i(h,c),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")},createImage:function(){return fabric.document.createElement("img")},clipContext:function(t,e){e.save(),e.beginPath(),t.clipTo(e),e.clip()},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 n=i(t[1],t[0]),o=r(t[0],2)+r(t[1],2),a=e(o),c=(t[0]*t[3]-t[2]*t[1])/a,h=i(t[0]*t[2]+t[1]*t[3],o);return{angle:n/s,scaleX:a,scaleY:c,skewX:h/s,skewY:0,translateX:t[4],translateY:t[5]}},customTransformMatrix:function(t,e,i){var r=[1,0,n(Math.tan(i*s)),1],o=[n(t),0,0,n(e)];return fabric.util.multiplyTransformMatrices(o,r,!0)},resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.flipX=!1,t.flipY=!1,t.rotate(0)},getFunctionBody:function(t){return(String(t).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},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),c=a.data.length;for(n=3;c>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?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)}}}("undefined"!=typeof exports?exports:this);!function(){function t(t,r,s,o,c,h,l){var u=a.call(arguments);if(n[u])return n[u];var f=Math.PI,d=l*f/180,g=Math.sin(d),p=Math.cos(d),v=0,b=0;s=Math.abs(s),o=Math.abs(o);var m=-p*t*.5-g*r*.5,y=-p*r*.5+g*t*.5,_=s*s,C=o*o,w=y*y,x=m*m,O=_*C-_*w-C*x,S=0;if(0>O){var j=Math.sqrt(1-O/(_*C));s*=j,o*=j}else S=(c===h?-1:1)*Math.sqrt(O/(_*w+C*x));var k=S*s*y/o,T=-S*o*m/s,P=p*k-g*T+.5*t,M=g*k+p*T+.5*r,D=i(1,0,(m-k)/s,(y-T)/o),F=i((m-k)/s,(y-T)/o,(-m-k)/s,(-y-T)/o);0===h&&F>0?F-=2*f:1===h&&0>F&&(F+=2*f);for(var E=Math.ceil(Math.abs(F/f*2)),A=[],R=F/E,X=8/3*Math.sin(R/4)*Math.sin(R/4)/Math.sin(R/2),L=D+R,Y=0;E>Y;Y++)A[Y]=e(D,L,p,g,s,o,P,M,X,v,b),v=A[Y][4],b=A[Y][5],D=L,L+=R;return n[u]=A,A}function e(t,e,i,r,n,o,c,h,l,u,f){var d=a.call(arguments);if(s[d])return s[d];var g=Math.cos(t),p=Math.sin(t),v=Math.cos(e),b=Math.sin(e),m=i*n*v-r*o*b+c,y=r*n*v+i*o*b+h,_=u+l*(-i*n*p-r*o*g),C=f+l*(-r*n*p+i*o*g),w=m+l*(i*n*b+r*o*v),x=y+l*(r*n*b-i*o*v);return s[d]=[_,C,w,x,m,y],s[d]}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,c,h){var l=a.call(arguments);if(o[l])return o[l];var u,f,d,g,p,v,b,m,y=Math.sqrt,_=Math.min,C=Math.max,w=Math.abs,x=[],O=[[],[]];f=6*t-12*i+6*n,u=-3*t+9*i-9*n+3*c,d=3*i-3*t;for(var S=0;2>S;++S)if(S>0&&(f=6*e-12*r+6*s,u=-3*e+9*r-9*s+3*h,d=3*r-3*e),w(u)<1e-12){if(w(f)<1e-12)continue;g=-d/f,g>0&&1>g&&x.push(g)}else b=f*f-4*d*u,0>b||(m=y(b),p=(-f+m)/(2*u),p>0&&1>p&&x.push(p),v=(-f-m)/(2*u),v>0&&1>v&&x.push(v));for(var j,k,T,P=x.length,M=P;P--;)g=x[P],T=1-g,j=T*T*T*t+3*T*T*g*i+3*T*g*g*n+g*g*g*c,O[0][P]=j,k=T*T*T*e+3*T*T*g*r+3*T*g*g*s+g*g*g*h,O[1][P]=k;O[0][M]=t,O[1][M]=e,O[0][M+1]=c,O[1][M+1]=h;var D=[{x:_.apply(null,O[0]),y:_.apply(null,O[1])},{x:C.apply(null,O[0]),y:C.apply(null,O[1])}];return o[l]=D,D}var n={},s={},o={},a=Array.prototype.join;fabric.util.drawArc=function(e,i,r,n){for(var s=n[0],o=n[1],a=n[2],c=n[3],h=n[4],l=n[5],u=n[6],f=[[],[],[],[]],d=t(l-i,u-r,s,o,c,h,a),g=0,p=d.length;p>g;g++)f[g][0]=d[g][0]+i,f[g][1]=d[g][1]+r,f[g][2]=d[g][2]+i,f[g][3]=d[g][3]+r,f[g][4]=d[g][4]+i,f[g][5]=d[g][5]+r,e.bezierCurveTo.apply(e,f[g])},fabric.util.getBoundsOfArc=function(e,i,n,s,o,a,c,h,l){for(var u,f=0,d=0,g=[],p=t(h-e,l-i,n,s,a,c,o),v=0,b=p.length;b>v;v++)u=r(f,d,p[v][0],p[v][1],p[v][2],p[v][3],p[v][4],p[v][5]),g.push({x:u[0].x+e,y:u[0].y+i}),g.push({x:u[1].x+e,y:u[1].y+i}),f=p[v][4],d=p[v][5];return g},fabric.util.getBoundsOfCurve=r}();!function(){function t(t,e){for(var i=s.call(arguments,2),r=[],n=0,o=t.length;o>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 s=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,s=i.length;s>n;n++)e[n]=t({},i[n],r)}else if(i&&"object"==typeof i)for(var o in i)i.hasOwnProperty(o)&&(e[o]=t({},i[o],r));else e=i;else for(var o in i)e[o]=i[o];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 s=null,a=r.call(arguments,0);"function"==typeof a[0]&&(s=a.shift()),i.superclass=s,i.subclasses=[],s&&(t.prototype=s.prototype,i.prototype=new t,s.subclasses.push(i));for(var c=0,h=a.length;h>c;c++)o(i,a[c],s);return i.prototype.initialize||(i.prototype.initialize=n),i.prototype.constructor=i,i.prototype.callSuper=e,i}var r=Array.prototype.slice,n=function(){},s=function(){for(var t in{toString:1})if("toString"===t)return!1;return!0}(),o=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],s&&(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,i,r=Array.prototype.slice.call(arguments,1),n=r.length;for(i=0;n>i;i++)if(e=typeof t[r[i]],!/^(?:function|object|unknown)$/.test(e))return!1;return!0}function e(t,e){return{handler:e,wrappedHandler:i(t,e)}}function i(t,e){return function(i){e.call(o(t),i||fabric.window.event)}}function r(t,e){return function(i){if(p[t]&&p[t][e])for(var r=p[t][e],n=0,s=r.length;s>n;n++)r[n].call(this,i||fabric.window.event)}}function n(t){t||(t=fabric.window.event);var e=t.target||(typeof t.srcElement!==c?t.srcElement:null),i=fabric.util.getScrollLeftTop(e);return{x:v(t)+i.left,y:b(t)+i.top}}function s(t,e,i){var r="touchend"===t.type?"changedTouches":"touches";return t[r]&&t[r][0]?t[r][0][e]-(t[r][0][e]-t[r][0][i])||t[i]:t[i]}var o,a,c="unknown",h=function(){var t=0;return function(e){return e.__uniqueID||(e.__uniqueID="uniqueID__"+t++)}}();!function(){var t={};o=function(e){return t[e]},a=function(e,i){t[e]=i}}();var l,u,f=t(fabric.document.documentElement,"addEventListener","removeEventListener")&&t(fabric.window,"addEventListener","removeEventListener"),d=t(fabric.document.documentElement,"attachEvent","detachEvent")&&t(fabric.window,"attachEvent","detachEvent"),g={},p={};f?(l=function(t,e,i,r){t&&t.addEventListener(e,i,d?!1:r)},u=function(t,e,i,r){t&&t.removeEventListener(e,i,d?!1:r)}):d?(l=function(t,i,r){if(t){var n=h(t);a(n,t),g[n]||(g[n]={}),g[n][i]||(g[n][i]=[]);var s=e(n,r);g[n][i].push(s),t.attachEvent("on"+i,s.wrappedHandler)}},u=function(t,e,i){if(t){var r,n=h(t);if(g[n]&&g[n][e])for(var s=0,o=g[n][e].length;o>s;s++)r=g[n][e][s],r&&r.handler===i&&(t.detachEvent("on"+e,r.wrappedHandler),g[n][e][s]=null)}}):(l=function(t,e,i){if(t){var n=h(t);if(p[n]||(p[n]={}),!p[n][e]){p[n][e]=[];var s=t["on"+e];s&&p[n][e].push(s),t["on"+e]=r(n,e)}p[n][e].push(i)}},u=function(t,e,i){if(t){var r=h(t);if(p[r]&&p[r][e])for(var n=p[r][e],s=0,o=n.length;o>s;s++)n[s]===i&&n.splice(s,1)}}),fabric.util.addListener=l,fabric.util.removeListener=u;var v=function(t){return t.clientX},b=function(t){return t.clientY};fabric.isTouchSupported&&(v=function(t){return s(t,"pageX","clientX")},b=function(t){return s(t,"pageY","clientY")}),fabric.util.getPointer=n}();!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?s(t,e.match(/opacity:\s*(\d?\.?\d*)/)[1]):t;for(var r in e)if("opacity"===r)s(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*\(\s*opacity\s*=\s*([^\)]+)\)/,s=function(t){return t};i?s=function(t,e){return t.style.opacity=e,t}:r&&(s=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"!==fabric.util.getElementStyle(t,"position")););return{left:e,top:i}}function s(t){var e,i,r=t&&t.ownerDocument,s={left:0,top:0},o={left:0,top:0},a={borderLeftWidth:"left",borderTopWidth:"top",paddingLeft:"left",paddingTop:"top"};if(!r)return o;for(var c in a)o[a[c]]+=parseInt(l(t,c),10)||0;return e=r.documentElement,"undefined"!=typeof t.getBoundingClientRect&&(s=t.getBoundingClientRect()),i=n(t),{left:s.left+i.left-(e.clientLeft||0)+o.left,top:s.top+i.top-(e.clientTop||0)+o.top}}var o,a=Array.prototype.slice,c=function(t){return a.call(t,0)};try{o=c(fabric.document.childNodes)instanceof Array}catch(h){}o||(c=function(t){for(var e=new Array(t.length),i=t.length;i--;)e[i]=t[i];return e});var l;l=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}(),function(){function t(t,e){var i=fabric.document.getElementsByTagName("head")[0],r=fabric.document.createElement("script"),n=!0;r.onload=r.onreadystatechange=function(t){if(n){if("string"==typeof this.readyState&&"loaded"!==this.readyState&&"complete"!==this.readyState)return;n=!1,e(t||fabric.window.event),r=r.onload=r.onreadystatechange=null}},r.src=t,i.appendChild(r)}fabric.util.getScript=t}(),fabric.util.getById=t,fabric.util.toArray=c,fabric.util.makeElement=e,fabric.util.addClass=i,fabric.util.wrapElement=r,fabric.util.getScrollLeftTop=n,fabric.util.getElementOffset=s,fabric.util.getElementStyle=l}();!function(){function t(t,e){return t+(/\?/.test(t)?"&":"?")+e}function e(){}function i(i,n){n||(n={});var s=n.method?n.method.toUpperCase():"GET",o=n.onComplete||function(){},a=r(),c=n.body||n.parameters;return a.onreadystatechange=function(){4===a.readyState&&(o(a),a.onreadystatechange=e)},"GET"===s&&(c=null,"string"==typeof n.parameters&&(i=t(i,n.parameters))),a.open(s,i,!0),("POST"===s||"PUT"===s)&&a.setRequestHeader("Content-Type","application/x-www-form-urlencoded"),a.send(c),a}var r=function(){for(var t=[function(){return new ActiveXObject("Microsoft.XMLHTTP")},function(){return new ActiveXObject("Msxml2.XMLHTTP")},function(){return new ActiveXObject("Msxml2.XMLHTTP.3.0")},function(){return new XMLHttpRequest}],e=t.length;e--;)try{var i=t[e]();if(i)return t[e]}catch(r){}}();fabric.util.request=i}();fabric.log=function(){},fabric.warn=function(){},"undefined"!=typeof console&&["log","warn"].forEach(function(t){"undefined"!=typeof console[t]&&"function"==typeof console[t].apply&&(fabric[t]=function(){return console[t].apply(console,arguments)})});!function(){function t(){return!1}function e(e){i(function(r){e||(e={});var n,s=r||+new Date,o=e.duration||500,a=s+o,c=e.onChange||t,h=e.abort||t,l=e.onComplete||t,u=e.easing||function(t,e,i,r){return-i*Math.cos(t/r*(Math.PI/2))+i+e},f="startValue"in e?e.startValue:0,d="endValue"in e?e.endValue:100,g=e.byValue||d-f;e.onStart&&e.onStart(),function p(t){if(h())return void l(d,1,1);n=t||+new Date;var r=n>a?o:n-s,v=r/o,b=u(r,f,g,o),m=Math.abs((b-f)/g);return c(b,m,v),n>a?void(e.onComplete&&e.onComplete()):void i(p)}(s)})}function i(){return n.apply(fabric.window,arguments)}function r(){return s.apply(fabric.window,arguments)}var n=fabric.window.requestAnimationFrame||fabric.window.webkitRequestAnimationFrame||fabric.window.mozRequestAnimationFrame||fabric.window.oRequestAnimationFrame||fabric.window.msRequestAnimationFrame||function(t){return fabric.window.setTimeout(t,1e3/60)},s=fabric.window.cancelAnimationFrame||fabric.window.clearTimeout;fabric.util.animate=e,fabric.util.requestAnimFrame=i,fabric.util.cancelAnimFrame=r}();!function(){function t(t,e,i){var r="rgba("+parseInt(t[0]+i*(e[0]-t[0]),10)+","+parseInt(t[1]+i*(e[1]-t[1]),10)+","+parseInt(t[2]+i*(e[2]-t[2]),10);return r+=","+(t&&e?parseFloat(t[3]+i*(e[3]-t[3])):1),r+=")"}function e(e,i,r,n){var s=new fabric.Color(e).getSource(),o=new fabric.Color(i).getSource();n=n||{},fabric.util.animate(fabric.util.object.extend(n,{duration:r||500,startValue:s,endValue:o,byValue:o,easing:function(e,i,r,s){var o=n.colorEasing?n.colorEasing(e,s):1-Math.cos(e/s*(Math.PI/2));return t(i,r,o)}}))}fabric.util.animateColor=e}();!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,s){var o,a=(s.x-n.x)*(t.y-n.y)-(s.y-n.y)*(t.x-n.x),c=(r.x-t.x)*(t.y-n.y)-(r.y-t.y)*(t.x-n.x),h=(s.y-n.y)*(r.x-t.x)-(s.x-n.x)*(r.y-t.y);if(0!==h){var l=a/h,u=c/h;l>=0&&1>=l&&u>=0&&1>=u?(o=new e("Intersection"),o.appendPoint(new i.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y)))):o=new e}else o=new e(0===a||0===c?"Coincident":"Parallel");return o},i.Intersection.intersectLinePolygon=function(t,i,r){var n,s,o,a,c=new e,h=r.length;for(a=0;h>a;a++)n=r[a],s=r[(a+1)%h],o=e.intersectLineLine(t,i,n,s),c.appendPoints(o.points);return c.points.length>0&&(c.status="Intersection"),c},i.Intersection.intersectPolygonPolygon=function(t,i){var r,n=new e,s=t.length;for(r=0;s>r;r++){var o=t[r],a=t[(r+1)%s],c=e.intersectLinePolygon(o,a,i);n.appendPoints(c.points)}return n.points.length>0&&(n.status="Intersection"),n},void(i.Intersection.intersectPolygonRectangle=function(t,r,n){var s=r.min(n),o=r.max(n),a=new i.Point(o.x,s.y),c=new i.Point(s.x,o.y),h=e.intersectLinePolygon(s,a,t),l=e.intersectLinePolygon(a,o,t),u=e.intersectLinePolygon(o,c,t),f=e.intersectLinePolygon(c,s,t),d=new e;return d.appendPoints(h.points),d.appendPoints(l.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,s,o,a=r.util.array.max([t,e,i]),c=r.util.array.min([t,e,i]);if(o=(a+c)/2,a===c)n=s=0;else{var h=a-c;switch(s=o>.5?h/(2-a-c):h/(a+c),a){case t:n=(e-i)/h+(i>e?6:0);break;case e:n=(i-t)/h+2;break;case i:n=(t-e)/h+4}n/=6}return[Math.round(360*n),Math.round(100*s),Math.round(100*o)]},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=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(),s=.5,o=this.getSource(),a=t.getSource();for(i=0;3>i;i++)r.push(Math.round(o[i]*(1-s)+a[i]*s));return r[3]=n,this.setSource(r),this}},r.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/,r.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,r.Color.reHex=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/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),s=parseInt(i[3],10)/(/%$/.test(i[3])?100:1)*(/%$/.test(i[3])?255:1);return[parseInt(r,10),parseInt(n,10),parseInt(s,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,s,o,a=(parseFloat(r[1])%360+360)%360/360,c=parseFloat(r[2])/(/%$/.test(r[2])?100:1),h=parseFloat(r[3])/(/%$/.test(r[3])?100:1);if(0===c)n=s=o=h;else{var l=.5>=h?h*(c+1):h+c-h*c,u=2*h-l;n=i(u,l,a+1/3),s=i(u,l,a),o=i(u,l,a-1/3)}return[Math.round(255*n),Math.round(255*s),Math.round(255*o),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,s=r?i.charAt(0)+i.charAt(0):i.substring(0,2),o=r?i.charAt(1)+i.charAt(1):i.substring(2,4),a=r?i.charAt(2)+i.charAt(2):i.substring(4,6),c=n?r?i.charAt(3)+i.charAt(3):i.substring(6,8):"FF";return[parseInt(s,16),parseInt(o,16),parseInt(a,16),parseFloat((parseInt(c,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(){"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,s=fabric.util.invertTransform,o=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,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),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(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},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)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e){e&&(this[t]=new fabric.Image(e,r)),i&&i(e)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,i&&i(e)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(){var t=fabric.util.createCanvasElement();if(!t)throw o;if(t.style||(t.style={}),"undefined"==typeof t.getContext)throw o;return t},_initOptions:function(t){this._setOptions(t),this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(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"),e.backstoreOnly||this._setCssDimension(r,i);return this._initRetinaScaling(),this._setImageSmoothing(),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,s=!1,o=!0;for(this.viewportTransform=t,i=0,r=this._objects.length;r>i;i++)e=this._objects[i],e.group||e.setCoords(s,o);return n&&"activeSelection"===n.type&&n.setCoords(s,o),this.calcViewportBoundaries(),this.renderOnAddRemove&&this.requestRenderAll(),this},zoomToPoint:function(t,e){var i=t,r=this.viewportTransform.slice(0);t=n(t,s(this.viewportTransform)),r[0]=e,r[3]=e;var o=n(t,r);return r[4]+=i.x-o.x,r[5]+=i.y-o.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=s(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},renderCanvas:function(t,e){var i=this.viewportTransform;this.isRendering&&(fabric.util.cancelAnimFrame(this.isRendering),this.isRendering=0),this.calcViewportBoundaries(),this.clearContext(t),this.fire("before:render"),this.clipTo&&fabric.util.clipContext(this,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),this.clipTo&&t.restore(),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render")},_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,r=this[e+"Color"];r&&(t.fillStyle=r.toLive?r.toLive(t,this):r,t.fillRect(r.offsetX||0,r.offsetY||0,this.width,this.height)),r=this[e+"Image"],r&&(this[e+"Vpt"]&&(i=this.viewportTransform,t.save(),t.transform(i[0],i[1],i[2],i[3],i[4],i[5])),r.render(t),this[e+"Vpt"]&&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=s(this.viewportTransform);return n({x:t.left,y:t.top},e)},_centerObject:function(t,e){return t.setPositionByOrigin(e,"center","center"),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={version:fabric.version,objects:this._toObjects(e,i)};return t(r,this.__serializeBgOverlay(e,i)),fabric.util.populateWithProperties(this,r,i),r},_toObjects:function(t,e){return this.getObjects().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={});var i=[];return this._setSVGPreamble(i,t),this._setSVGHeader(i,t),this._setSVGBgOverlayColor(i,"backgroundColor"),this._setSVGBgOverlayImage(i,"backgroundImage",e),this._setSVGObjects(i,e),this._setSVGBgOverlayColor(i,"overlayColor"),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,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='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="',s,'" ',o,'xml:space="preserve">\n',"<desc>Created with Fabric.js ",fabric.version,"</desc>\n","<defs>\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),"</defs>\n")},createSVGRefElementsMarkup:function(){var t=this,e=["backgroundColor","overlayColor"].map(function(e){var i=t[e];return i&&i.toLive?i.toSVG(t,!1):void 0});return e.join("")},createSVGFontFacesMarkup:function(){var t,e,i,r,n,s,o,a,c,h="",l={},u=fabric.fontPaths,f=this.getObjects();for(a=0,c=f.length;c>a;a++)if(t=f[a],e=t.fontFamily,-1!==t.type.indexOf("text")&&!l[e]&&u[e]&&(l[e]=!0,t.styles)){i=t.styles;for(n in i){r=i[n];for(o in r)s=r[o],e=s.fontFamily,!l[e]&&u[e]&&(l[e]=!0)}}for(var d in l)h+=["		@font-face {\n","			font-family: '",d,"';\n","			src: url('",u[d],"');\n","		}\n"].join("");return h&&(h=['	<style type="text/css">',"<![CDATA[\n",h,"]]>","</style>\n"].join("")),h},_setSVGObjects:function(t,e){var i,r,n,s=this.getObjects();for(r=0,n=s.length;n>r;r++)i=s[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].toSVG&&t.push(this[e].toSVG(i))},_setSVGBgOverlayColor:function(t,e){var i=this[e];if(i)if(i.toLive){var r=i.repeat;t.push('<rect transform="translate(',this.width/2,",",this.height/2,')"',' x="',i.offsetX-this.width/2,'" y="',i.offsetY-this.height/2,'" ','width="',"repeat-y"===r||"no-repeat"===r?i.source.width:this.width,'" height="',"repeat-x"===r||"no-repeat"===r?i.source.height:this.height,'" fill="url(#SVGID_'+i.id+')"',"></rect>\n")}else t.push('<rect x="0" y="0" ','width="',this.width,'" height="',this.height,'" fill="',this[e],'"',"></rect>\n")},sendToBack:function(t){if(!t)return this;var e,r,n,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(n=s._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,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(n=s._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,s,o,a,c=this._activeObject,h=0;if(t===c&&"activeSelection"===t.type)for(a=c._objects,r=0;r<a.length;r++)n=a[r],s=this._objects.indexOf(n),s>0+h&&(o=s-1,i(this._objects,n),this._objects.splice(o,0,n)),h++;else s=this._objects.indexOf(t),0!==s&&(o=this._findNewLowerIndex(t,s,e),i(this._objects,t),this._objects.splice(o,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 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},bringForward:function(t,e){if(!t)return this;var r,n,s,o,a,c=this._activeObject,h=0;if(t===c&&"activeSelection"===t.type)for(a=c._objects,r=a.length;r--;)n=a[r],s=this._objects.indexOf(n),s<this._objects.length-1-h&&(o=s+1,i(this._objects,n),this._objects.splice(o,0,n)),h++;else s=this._objects.indexOf(t),s!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewUpperIndex:function(t,e,i){var r,n,s;if(i)for(r=e,n=e+1,s=this._objects.length;s>n;++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},moveTo:function(t,e){return i(this._objects,t),this._objects.splice(e,0,t),this.renderOnAddRemove&&this.requestRenderAll()},dispose:function(){return this.clear(),this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this.getObjects().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=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return"undefined"!=typeof i.getImageData;case"setLineDash":return"undefined"!=typeof i.setLineDash;case"toDataURL":return"undefined"!=typeof e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(r){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}();fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_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,this.strokeDashArray&&fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray)},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop,e=this.canvas.getZoom();t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*e,t.shadowOffsetX=this.shadow.offsetX*e,t.shadowOffsetY=this.shadow.offsetY*e}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}});!function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(t){this.canvas=t,this._points=[]},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){this._captureDrawingPath(t),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_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){this._points.length>1&&t.eq(this._points[this._points.length-1])||this._points.push(t)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);this._addPoint(e)},_render:function(){var t,e,i=this.canvas.contextTop,r=this.canvas.viewportTransform,n=this._points[0],s=this._points[1];if(i.save(),i.transform(r[0],r[1],r[2],r[3],r[4],r[5]),i.beginPath(),2===this._points.length&&n.x===s.x&&n.y===s.y){var o=this.width/1e3;n=new fabric.Point(n.x,n.y),s=new fabric.Point(s.x,s.y),n.x-=o,s.x+=o}for(i.moveTo(n.x,n.y),t=1,e=this._points.length;e>t;t++){var a=n.midPointFrom(s);i.quadraticCurveTo(n.x,n.y,a.x,a.y),n=this._points[t],s=this._points[t+1]}i.lineTo(n.x,n.y),i.stroke(),i.restore()},convertPointsToSVGPath:function(t){var e,i,r,n=[],s=this.width/1e3,o=new fabric.Point(t[0].x,t[0].y),a=new fabric.Point(t[1].x,t[1].y),c=t.length,h=c>2;for(h&&(i=t[2].x<a.x?-1:t[2].x===a.x?0:1,r=t[2].y<a.y?-1:t[2].y===a.y?0:1),n.push("M ",o.x-i*s," ",o.y-r*s," "),e=1;c>e;e++){if(!o.eq(a)){var l=o.midPointFrom(a);n.push("Q ",o.x," ",o.y," ",l.x," ",l.y," ")}o=t[e],e+1<t.length&&(a=t[e+1])}return h&&(i=o.x>t[e-2].x?1:o.x===t[e-2].x?0:-1,r=o.y>t[e-2].y?1:o.y===t[e-2].y?0:-1),n.push("L ",o.x+i*s," ",o.y+r*s),n},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}),i=new fabric.Point(e.left+e.width/2,e.top+e.height/2);return i=e.translateToGivenOrigin(i,"center","center",e.originX,e.originY),e.top=i.y,e.left=i.x,this.shadow&&(this.shadow.affectStroke=!0,e.setShadow(this.shadow)),e},_finalizeAndAddPath:function(){var t=this.canvas.contextTop;t.closePath();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.add(i),this.canvas.renderAll(),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,r=this.canvas.viewportTransform;i.save(),i.transform(r[0],r[1],r[2],r[3],r[4],r[5]),i.fillStyle=e.fill,i.beginPath(),i.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),i.closePath(),i.fill(),i.restore()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},onMouseMove:function(t){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],s=new fabric.Circle({radius:n.radius,left:n.x,top:n.y,originX:"center",originY:"center",fill:n.fill});this.shadow&&s.setShadow(this.shadow),r.push(s)}var o=new fabric.Group(r,{originX:"center",originY:"center"});o.canvas=this.canvas,this.canvas.add(o),this.canvas.fire("path:created",{path:o}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=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()},onMouseMove:function(t){this.addSprayChunk(t),this.render()},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],s=0,o=n.length;o>s;s++){var a=new fabric.Rect({width:n[s].width,height:n[s].width,left:n[s].x+1,top:n[s].y+1,originX:"center",originY:"center",fill:this.color});this.shadow&&a.setShadow(this.shadow),e.push(a)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var c=new fabric.Group(e,{originX:"center",originY:"center"});c.canvas=this.canvas,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 s=[];for(e in n)s.push(n[e]);return s},render:function(){var t=this.canvas.contextTop;t.fillStyle=this.color;var e,i,r=this.canvas.viewportTransform;for(t.save(),t.transform(r[0],r[1],r[2],r[3],r[4],r[5]),e=0,i=this.sprayChunkPoints.length;i>e;e++){var n=this.sprayChunkPoints[e];"undefined"!=typeof n.opacity&&(t.globalAlpha=n.opacity),t.fillRect(n.x,n.y,n.width,n.width)}t.restore()},addSprayChunk:function(t){this.sprayChunkPoints=[];var e,i,r,n,s=this.width/2;for(n=0;n<this.density;n++){e=fabric.util.getRandomInt(t.x-s,t.x+s),i=fabric.util.getRandomInt(t.y-s,t.y+s),r=this.dotWidthVariance?fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var o=new fabric.Point(e,i);o.width=r,this.randomOpacity&&(o.opacity=fabric.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(o)}this.sprayChunks.push(this.sprayChunkPoints)}});fabric.PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var t=20,e=5,i=fabric.document.createElement("canvas"),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=fabric.util.radiansToDegrees,r=Math.atan2,n=Math.abs,s=fabric.StaticCanvas.supports("setLineDash"),o=.5;fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this._initStatic(t,e),this._initInteractive(),this._createCacheCanvas()},uniScaleTransform:!1,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,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,_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);var t=this.contextContainer;return this.renderCanvas(t,this._chooseObjectsToRender()),this},renderTop:function(){var t=this.contextTop;return this.clearContext(t),this.selection&&this._groupSelector&&this._drawSelection(t),this.fire("after:render"),this.contextTopDirty=!0,this},_resetCurrentTransform:function(){var t=this._currentTransform;t.target.set({scaleX:t.original.scaleX,scaleY:t.original.scaleY,skewX:t.original.skewX,skewY:t.original.skewY,left:t.original.left,top:t.original.top}),this._shouldCenterTransform(t.target)?"rotate"===t.action?this._setOriginToCenter(t.target):("center"!==t.originX&&(t.mouseXSign="right"===t.originX?-1:1),"center"!==t.originY&&(t.mouseYSign="bottom"===t.originY?-1:1),t.originX="center",t.originY="center"):(t.originX=t.original.originX,t.originY=t.original.originY)},containsPoint:function(t,e,i){var r,n=!0,s=i||this.getPointer(t,n);return r=e.group&&e.group===this._activeObject&&"activeSelection"===e.group.type?this._normalizePointer(e.group,s):{x:s.x,y:s.y},e.containsPoint(r)||e._findTargetCorner(s)},_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){var r=this.contextCache,n=t.selectionBackgroundColor,s=this.viewportTransform;t.selectionBackgroundColor="",this.clearContext(r),r.save(),r.transform(s[0],s[1],s[2],s[3],s[4],s[5]),t.render(r),r.restore(),t===this._activeObject&&t._renderControls(r,{hasBorders:!1,transparentCorners:!1},{hasBorders:!1}),t.selectionBackgroundColor=n;var o=fabric.util.isTransparent(r,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){if(t){var e,i=this._currentTransform;return"scale"===i.action||"scaleX"===i.action||"scaleY"===i.action?e=this.centeredScaling||t.centeredScaling:"rotate"===i.action&&(e=this.centeredRotation||t.centeredRotation),e?!i.altKey:i.altKey}},_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){if(!e)return"drag";switch(e){case"mtr":return"rotate";case"ml":case"mr":return i[this.altActionKey]?"skewY":"scaleX";case"mt":case"mb":return i[this.altActionKey]?"skewX":"scaleY";default:return"scale"}},_setupCurrentTransform:function(t,i){if(i){var r=this.getPointer(t),n=i._findTargetCorner(this.getPointer(t,!0)),s=this._getActionFromCorner(i,n,t),o=this._getOriginFromCorner(i,n);this._currentTransform={target:i,action:s,corner:n,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,offsetX:r.x-i.left,offsetY:r.y-i.top,originX:o.x,originY:o.y,ex:r.x,ey:r.y,lastX:r.x,lastY:r.y,left:i.left,top:i.top,theta:e(i.angle),width:i.width*i.scaleX,mouseXSign:1,mouseYSign:1,shiftKey:t.shiftKey,altKey:t[this.centeredKey]},this._currentTransform.original={left:i.left,top:i.top,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,originX:o.x,originY:o.y},this._resetCurrentTransform()}},_translateObject:function(t,e){var i=this._currentTransform,r=i.target,n=t-i.offsetX,s=e-i.offsetY,o=!r.get("lockMovementX")&&r.left!==n,a=!r.get("lockMovementY")&&r.top!==s;return o&&r.set("left",n),a&&r.set("top",s),o||a},_changeSkewTransformOrigin:function(t,e,i){var r="originX",n={0:"center"},s=e.target.skewX,o="left",a="right",c="mt"===e.corner||"ml"===e.corner?1:-1,h=1;t=t>0?1:-1,"y"===i&&(s=e.target.skewY,o="top",a="bottom",r="originY"),n[-1]=o,n[1]=a,e.target.flipX&&(h*=-1),e.target.flipY&&(h*=-1),0===s?(e.skewSign=-c*t*h,e[r]=n[-t]):(s=s>0?1:-1,e.skewSign=s,e[r]=n[s*c*h])},_skewObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=!1,o=n.get("lockSkewingX"),a=n.get("lockSkewingY");if(o&&"x"===i||a&&"y"===i)return!1;var c,h,l=n.getCenterPoint(),u=n.toLocalPoint(new fabric.Point(t,e),"center","center")[i],f=n.toLocalPoint(new fabric.Point(r.lastX,r.lastY),"center","center")[i],d=n._getTransformedDimensions();return this._changeSkewTransformOrigin(u-f,r,i),c=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY)[i],h=n.translateToOriginPoint(l,r.originX,r.originY),s=this._setObjectSkew(c,r,i,d),r.lastX=t,r.lastY=e,n.setPositionByOrigin(h,r.originX,r.originY),s},_setObjectSkew:function(t,e,i,r){var n,s,o,a,c,h,l,u,f,d=e.target,g=!1,p=e.skewSign;return"x"===i?(a="y",c="Y",h="X",u=0,f=d.skewY):(a="x",c="X",h="Y",u=d.skewX,f=0),o=d._getTransformedDimensions(u,f),l=2*Math.abs(t)-o[i],2>=l?n=0:(n=p*Math.atan(l/d["scale"+h]/(o[a]/d["scale"+c])),n=fabric.util.radiansToDegrees(n)),g=d["skew"+h]!==n,d.set("skew"+h,n),0!==d["skew"+c]&&(s=d._getTransformedDimensions(),n=r[a]/s[a]*d["scale"+c],d.set("scale"+c,n)),g},_scaleObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=n.get("lockScalingX"),o=n.get("lockScalingY"),a=n.get("lockScalingFlip");if(s&&o)return!1;var c=n.translateToOriginPoint(n.getCenterPoint(),r.originX,r.originY),h=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY),l=n._getTransformedDimensions(),u=!1;return this._setLocalMouse(h,r),u=this._setObjectScale(h,r,s,o,i,a,l),n.setPositionByOrigin(c,r.originX,r.originY),u},_setObjectScale:function(t,e,i,r,n,s,o){var a,c,h,l,u=e.target,f=!1,d=!1,g=!1;return h=t.x*u.scaleX/o.x,l=t.y*u.scaleY/o.y,a=u.scaleX!==h,c=u.scaleY!==l,s&&0>=h&&h<u.scaleX&&(f=!0,t.x=0),s&&0>=l&&l<u.scaleY&&(d=!0,t.y=0),"equally"!==n||i||r?n?"x"!==n||u.get("lockUniScaling")?"y"!==n||u.get("lockUniScaling")||d||r||u.set("scaleY",l)&&(g=g||c):f||i||u.set("scaleX",h)&&(g=g||a):(f||i||u.set("scaleX",h)&&(g=g||a),d||r||u.set("scaleY",l)&&(g=g||c)):g=this._scaleObjectEqually(t,u,e,o),e.newScaleX=h,e.newScaleY=l,f||d||this._flipObject(e,n),g},_scaleObjectEqually:function(t,e,i,r){var n,s=t.y+t.x,o=r.y*i.original.scaleY/e.scaleY+r.x*i.original.scaleX/e.scaleX,a=t.x<0?-1:1,c=t.y<0?-1:1;return i.newScaleX=a*Math.abs(i.original.scaleX*s/o),i.newScaleY=c*Math.abs(i.original.scaleY*s/o),n=i.newScaleX!==e.scaleX||i.newScaleY!==e.scaleY,e.set("scaleX",i.newScaleX),e.set("scaleY",i.newScaleY),n},_flipObject:function(t,e){t.newScaleX<0&&"y"!==e&&("left"===t.originX?t.originX="right":"right"===t.originX&&(t.originX="left")),t.newScaleY<0&&"x"!==e&&("top"===t.originY?t.originY="bottom":"bottom"===t.originY&&(t.originY="top"))},_setLocalMouse:function(t,e){var i=e.target,r=this.getZoom(),s=i.padding/r;"right"===e.originX?t.x*=-1:"center"===e.originX&&(t.x*=2*e.mouseXSign,t.x<0&&(e.mouseXSign=-e.mouseXSign)),"bottom"===e.originY?t.y*=-1:"center"===e.originY&&(t.y*=2*e.mouseYSign,t.y<0&&(e.mouseYSign=-e.mouseYSign)),n(t.x)>s?t.x<0?t.x+=s:t.x-=s:t.x=0,n(t.y)>s?t.y<0?t.y+=s:t.y-=s:t.y=0},_rotateObject:function(t,e){var n=this._currentTransform;if(n.target.get("lockRotation"))return!1;var s=r(n.ey-n.top,n.ex-n.left),o=r(e-n.top,t-n.left),a=i(o-s+n.theta),c=!0;if(n.target.snapAngle>0){var h=n.target.snapAngle,l=n.target.snapThreshold||h,u=Math.ceil(a/h)*h,f=Math.floor(a/h)*h;Math.abs(a-f)<l?a=f:Math.abs(a-u)<l&&(a=u)}return 0>a&&(a=360+a),a%=360,n.target.angle===a?c=!1:n.target.angle=a,c},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.rotate(0)},_drawSelection:function(t){var e=this._groupSelector,i=e.left,r=e.top,a=n(i),c=n(r);if(this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(e.ex-(i>0?0:-i),e.ey-(r>0?0:-r),a,c)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!s){var h=e.ex+o-(i>0?0:a),l=e.ey+o-(r>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+o-(i>0?0:a),e.ey+o-(r>0?0:c),a,c)},findTarget:function(t,e){if(!this.skipTargetFind){var i,r,n=!0,s=this.getPointer(t,n),o=this._activeObject,a=this.getActiveObjects();if(this.targets=[],a.length>1&&!e&&o===this._searchPossibleTargets([o],s))return o;if(1===a.length&&o._findTargetCorner(s))return o;if(1===a.length&&o===this._searchPossibleTargets([o],s)){if(!this.preserveObjectStacking)return o;i=o,r=this.targets,this.targets=[]}var c=this._searchPossibleTargets(this._objects,s);return t[this.altSelectionKey]&&c&&i&&c!==i&&(c=i,this.targets=r),c}},_checkTarget:function(t,e){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;var i=this.isTargetTransparent(e,t.x,t.y);if(!i)return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n,s=t.length;s--;)if(this._checkTarget(e,t[s])){i=t[s],"group"===i.type&&i.subTargetCheck&&(r=this._normalizePointer(i,e),n=this._searchPossibleTargets(i._objects,r),n&&this.targets.push(n));break}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,i,r){r||(r=this.upperCanvasEl);var n,s=t(e),o=r.getBoundingClientRect(),a=o.width||0,c=o.height||0;return 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(),s.x=s.x-this._offset.left,s.y=s.y-this._offset.top,i||(s=this.restorePointerVpt(s)),n=0===a||0===c?{width:1,height:1}:{width:r.width/a,height:r.height/c},{x:s.x*n.width,y:s.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl?this.upperCanvasEl.className="":this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+t),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{"class":this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.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":"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")),this._hoveredTarget===t&&(this._hoveredTarget=null),this.callSuper("_onObjectRemoved",t)},_fireSelectionEvents:function(t,e){var i=!1,r=this.getActiveObjects(),n=[],s=[],o={e:e};t.forEach(function(t){-1===r.indexOf(t)&&(i=!0,t.fire("deselected",o),s.push(t))}),r.forEach(function(e){-1===t.indexOf(e)&&(i=!0,e.fire("selected",o),n.push(e))}),t.length>0&&r.length>0?(o.selected=n,o.deselected=s,o.updated=n[0]||s[0],o.target=this._activeObject,i&&this.fire("selection:updated",o)):r.length>0?(1===r.length&&(o.target=n[0],this.fire("object:selected",o)),o.selected=n,o.target=this._activeObject,this.fire("selection:created",o)):t.length>0&&(o.deselected=s,this.fire("selection:cleared",o))},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();return e.length&&this.fire("before:selection:cleared",{target:e[0],e:t}),this._discardActiveObject(t),this._fireSelectionEvents(e,t),this},dispose:function(){fabric.StaticCanvas.prototype.dispose.call(this);var t=this.wrapperEl;return this.removeListeners(),t.removeChild(this.upperCanvasEl),t.removeChild(this.lowerCanvasEl),delete this.upperCanvasEl,t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,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]}),this._activeObject.realizeTransform(t),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)}});for(var a in fabric.StaticCanvas)"prototype"!==a&&(fabric.Canvas[a]=fabric.StaticCanvas[a]);fabric.isTouchSupported&&(fabric.Canvas.prototype._setCursorFromEvent=function(){})}();!function(){function t(t,e){return"which"in t?t.which===e:t.button===e-1}var e={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},i=fabric.util.addListener,r=fabric.util.removeListener,n=3,s=2,o=1;fabric.util.object.extend(fabric.Canvas.prototype,{cursorMap:["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],_initEventListeners:function(){this.removeListeners(),this._bindEvents(),i(fabric.window,"resize",this._onResize),i(this.upperCanvasEl,"mousedown",this._onMouseDown),i(this.upperCanvasEl,"dblclick",this._onDoubleClick),i(this.upperCanvasEl,"mousemove",this._onMouseMove),i(this.upperCanvasEl,"mouseout",this._onMouseOut),i(this.upperCanvasEl,"mouseenter",this._onMouseEnter),i(this.upperCanvasEl,"wheel",this._onMouseWheel),i(this.upperCanvasEl,"contextmenu",this._onContextMenu),i(this.upperCanvasEl,"touchstart",this._onMouseDown,{passive:!1}),i(this.upperCanvasEl,"touchmove",this._onMouseMove,{passive:!1}),"undefined"!=typeof eventjs&&"add"in eventjs&&(eventjs.add(this.upperCanvasEl,"gesture",this._onGesture),eventjs.add(this.upperCanvasEl,"drag",this._onDrag),eventjs.add(this.upperCanvasEl,"orientation",this._onOrientationChange),eventjs.add(this.upperCanvasEl,"shake",this._onShake),eventjs.add(this.upperCanvasEl,"longpress",this._onLongPress))},_bindEvents:function(){this.eventsBinded||(this._onMouseDown=this._onMouseDown.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onLongPress=this._onLongPress.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this),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.eventsBinded=!0)},removeListeners:function(){r(fabric.window,"resize",this._onResize),r(this.upperCanvasEl,"mousedown",this._onMouseDown),r(this.upperCanvasEl,"mousemove",this._onMouseMove),r(this.upperCanvasEl,"mouseout",this._onMouseOut),r(this.upperCanvasEl,"mouseenter",this._onMouseEnter),r(this.upperCanvasEl,"wheel",this._onMouseWheel),r(this.upperCanvasEl,"contextmenu",this._onContextMenu),r(this.upperCanvasEl,"doubleclick",this._onDoubleClick),r(this.upperCanvasEl,"touchstart",this._onMouseDown),r(this.upperCanvasEl,"touchmove",this._onMouseMove),"undefined"!=typeof eventjs&&"remove"in eventjs&&(eventjs.remove(this.upperCanvasEl,"gesture",this._onGesture),eventjs.remove(this.upperCanvasEl,"drag",this._onDrag),eventjs.remove(this.upperCanvasEl,"orientation",this._onOrientationChange),eventjs.remove(this.upperCanvasEl,"shake",this._onShake),eventjs.remove(this.upperCanvasEl,"longpress",this._onLongPress))},_onGesture:function(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}),this._iTextInstances&&this._iTextInstances.forEach(function(t){t.isEditing&&t.hiddenTextarea.focus()})},_onMouseEnter:function(t){this.findTarget(t)||(this.fire("mouse:over",{target:null,e:t}),this._hoveredTarget=null)},_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)},_onContextMenu:function(t){return this.stopContextMenu&&(t.stopPropagation(),t.preventDefault()),!1},_onDoubleClick:function(t){var e;this._handleEvent(t,"dblclick",e)},_onMouseDown:function(t){this.__onMouseDown(t),i(fabric.document,"touchend",this._onMouseUp,{passive:!1}),i(fabric.document,"touchmove",this._onMouseMove,{passive:!1}),r(this.upperCanvasEl,"mousemove",this._onMouseMove),r(this.upperCanvasEl,"touchmove",this._onMouseMove),"touchstart"===t.type?r(this.upperCanvasEl,"mousedown",this._onMouseDown):(i(fabric.document,"mouseup",this._onMouseUp),i(fabric.document,"mousemove",this._onMouseMove))},_onMouseUp:function(t){if(this.__onMouseUp(t),r(fabric.document,"mouseup",this._onMouseUp),r(fabric.document,"touchend",this._onMouseUp),r(fabric.document,"mousemove",this._onMouseMove),r(fabric.document,"touchmove",this._onMouseMove),i(this.upperCanvasEl,"mousemove",this._onMouseMove),i(this.upperCanvasEl,"touchmove",this._onMouseMove,{passive:!1}),"touchend"===t.type){var e=this;setTimeout(function(){i(e.upperCanvasEl,"mousedown",e._onMouseDown)},400)}},_onMouseMove:function(t){!this.allowTouchScrolling&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)},_onResize:function(){this.calcOffset()},_shouldRender:function(t,e){var i=this._activeObject;return i&&i.isEditing&&t===i?!1:!!(t&&(t.isMoving||t!==i)||!t&&i||!t&&!i&&!this._groupSelector||e&&this._previousPointer&&this.selection&&(e.x!==this._previousPointer.x||e.y!==this._previousPointer.y))},__onMouseUp:function(e){var i,r=!0,a=this._currentTransform,c=this._groupSelector,h=!c||0===c.left&&0===c.top;if(t(e,n))return void(this.fireRightClick&&this._handleEvent(e,"up",i,n,h));if(t(e,s))return void(this.fireMiddleClick&&this._handleEvent(e,"up",i,s,h));if(this.isDrawingMode&&this._isCurrentlyDrawing)return void this._onMouseUpInDrawingMode(e);a&&(this._finalizeCurrentTransform(e),r=!a.actionPerformed),i=r?this.findTarget(e,!0):a.target;var l=this._shouldRender(i,this.getPointer(e));i||!h?this._maybeGroupObjects(e):(this._groupSelector=null,this._currentTransform=null),i&&(i.isMoving=!1),this._setCursorFromEvent(e,i),this._handleEvent(e,"up",i?i:null,o,h),i&&(i.__corner=0),l&&this.requestRenderAll()},_handleEvent:function(t,e,i,r,n){var s="undefined"==typeof i?this.findTarget(t):i,a=this.targets||[],c={e:t,target:s,subTargets:a,button:r||o,isClick:n||!1};this.fire("mouse:"+e,c),s&&s.fire("mouse"+e,c);for(var h=0;h<a.length;h++)a[h].fire("mouse"+e,c)},_finalizeCurrentTransform:function(t){var e=this._currentTransform,i=e.target;i._scaling&&(i._scaling=!1),i.setCoords(),this._restoreOriginXY(i),(e.actionPerformed||this.stateful&&i.hasStateChanged())&&(this.fire("object:modified",{target:i,e:t}),i.fire("modified",{e:t}))},_restoreOriginXY:function(t){if(this._previousOriginX&&this._previousOriginY){var e=t.translateToOriginPoint(t.getCenterPoint(),this._previousOriginX,this._previousOriginY);t.originX=this._previousOriginX,t.originY=this._previousOriginY,t.left=e.x,t.top=e.y,this._previousOriginX=null,this._previousOriginY=null}},_onMouseDownInDrawingMode:function(t){this._isCurrentlyDrawing=!0,this.discardActiveObject(t).requestRenderAll(),this.clipTo&&fabric.util.clipContext(this,this.contextTop);var e=this.getPointer(t);this.freeDrawingBrush.onMouseDown(e),this._handleEvent(t,"down")},_onMouseMoveInDrawingMode:function(t){if(this._isCurrentlyDrawing){var e=this.getPointer(t);this.freeDrawingBrush.onMouseMove(e)}this.setCursor(this.freeDrawingCursor),this._handleEvent(t,"move")},_onMouseUpInDrawingMode:function(t){this._isCurrentlyDrawing=!1,this.clipTo&&this.contextTop.restore(),this.freeDrawingBrush.onMouseUp(),this._handleEvent(t,"up")},__onMouseDown:function(e){var i=this.findTarget(e);if(t(e,n))return void(this.fireRightClick&&this._handleEvent(e,"down",i?i:null,n));if(t(e,s))return void(this.fireMiddleClick&&this._handleEvent(e,"down",i?i:null,s));if(this.isDrawingMode)return void this._onMouseDownInDrawingMode(e);if(!this._currentTransform){var r=this.getPointer(e,!0);this._previousPointer=r;var o=this._shouldRender(i,r),a=this._shouldGroup(e,i);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:r.x,ey:r.y,top:0,left:0}),i&&(i.selectable&&this.setActiveObject(i,e),i!==this._activeObject||!i.__corner&&a||(this._beforeTransform(e,i),this._setupCurrentTransform(e,i))),this._handleEvent(e,"down",i?i:null),o&&this.requestRenderAll()}},_beforeTransform:function(t,e){this.stateful&&e.saveState(),e._findTargetCorner(this.getPointer(t))&&this.onBeforeScaleRotate(e)},_setOriginToCenter:function(t){this._previousOriginX=this._currentTransform.target.originX,this._previousOriginY=this._currentTransform.target.originY;var e=t.getCenterPoint();t.originX="center",t.originY="center",t.left=e.x,t.top=e.y,this._currentTransform.left=t.left,this._currentTransform.top=t.top},_setCenterToOrigin:function(t){var e=t.translateToOriginPoint(t.getCenterPoint(),this._previousOriginX,this._previousOriginY);t.originX=this._previousOriginX,t.originY=this._previousOriginY,t.left=e.x,t.top=e.y,this._previousOriginX=null,this._previousOriginY=null},__onMouseMove:function(t){var e,i;if(this.isDrawingMode)return void this._onMouseMoveInDrawingMode(t);if(!("undefined"!=typeof t.touches&&t.touches.length>1)){var r=this._groupSelector;r?(i=this.getPointer(t,!0),r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t),this._setCursorFromEvent(t,e),this._fireOverOutEvents(e,t)),this._handleEvent(t,"move",this._currentTransform?null:e)}},_fireOverOutEvents:function(t,e){var i,r,n=this._hoveredTarget;n!==t&&(i={e:e,target:t,previousTarget:this._hoveredTarget},r={e:e,target:this._hoveredTarget,nextTarget:t},this._hoveredTarget=t),t?n!==t&&(n&&(this.fire("mouse:out",r),n.fire("mouseout",r)),this.fire("mouse:over",i),t.fire("mouseover",i)):n&&(this.fire("mouse:out",r),n.fire("mouseout",r))},__onMouseWheel:function(t){this._handleEvent(t,"wheel")},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),i.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.target,o=e.action,a=!1;"rotate"===o?(a=this._rotateObject(r,n))&&this._fire("rotating",s,t):"scale"===o?(a=this._onScale(t,e,r,n))&&this._fire("scaling",s,t):"scaleX"===o?(a=this._scaleObject(r,n,"x"))&&this._fire("scaling",s,t):"scaleY"===o?(a=this._scaleObject(r,n,"y"))&&this._fire("scaling",s,t):"skewX"===o?(a=this._skewObject(r,n,"x"))&&this._fire("skewing",s,t):"skewY"===o?(a=this._skewObject(r,n,"y"))&&this._fire("skewing",s,t):(a=this._translateObject(r,n),a&&(this._fire("moving",s,t),this.setCursor(s.moveCursor||this.moveCursor))),e.actionPerformed=e.actionPerformed||a},_fire:function(t,e,i){this.fire("object:"+t,{target:e,e:i}),e.fire(t,{e:i})},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,i,r){return this._isUniscalePossible(t,e.target)?(e.currentAction="scale",this._scaleObject(i,r)):(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(i,r,"equally"))},_isUniscalePossible:function(t,e){return(t[this.uniScaleKey]||this.uniScaleTransform)&&!e.get("lockUniScaling")},_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));this.setCursor(n?this.getCornerCursor(n,e,t):i)},getCornerCursor:function(t,i,r){return this.actionIsDisabled(t,i,r)?this.notAllowedCursor:t in e?this._getRotatedCornerCursor(t,i,r):"mtr"===t&&i.hasRotatingPoint?this.rotationCursor:this.defaultCursor},actionIsDisabled:function(t,e,i){return"mt"===t||"mb"===t?i[this.altActionKey]?e.lockSkewingX:e.lockScalingY:"ml"===t||"mr"===t?i[this.altActionKey]?e.lockSkewingY:e.lockScalingX:"mtr"===t?e.lockRotation:this._isUniscalePossible(i,e)?e.lockScalingX&&e.lockScalingY:e.lockScalingX||e.lockScalingY},_getRotatedCornerCursor:function(t,i,r){var n=Math.round(i.angle%360/45);return 0>n&&(n+=8),n+=e[t],r[this.altActionKey]&&e[t]%2===0&&(n+=2),n%=8,this.cursorMap[n]}})}();!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)},_handleGrouping:function(t,e){var i=this._activeObject;i.__corner||(e!==i||(e=this.findTarget(t,!0)))&&(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,1===i.size()&&this._setActiveObject(i.item(0),e)):(i.addWithUpdate(t),this._hoveredTarget=i),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.getObjects(),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();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(){for(var i,r=[],n=this._groupSelector.ex,s=this._groupSelector.ey,o=n+this._groupSelector.left,a=s+this._groupSelector.top,c=new fabric.Point(t(n,o),t(s,a)),h=new fabric.Point(e(n,o),e(s,a)),l=n===o&&s===a,u=this._objects.length;u--&&(i=this._objects[u],!(i&&i.selectable&&i.visible&&(i.intersectsWithRect(c,h)||i.isContainedWithinRect(c,h)||i.containsPoint(c)||i.containsPoint(h))&&(r.push(i),l))););return r},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t),this.setCursor(this.defaultCursor),this._groupSelector=null,this._currentTransform=null}})}();!function(){var t=fabric.StaticCanvas.supports("toDataURLWithQuality");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,n={left:t.left||0,top:t.top||0,width:t.width||0,height:t.height||0};return this.__toDataURLWithMultiplier(e,i,n,r)},__toDataURLWithMultiplier:function(t,e,i,r){var n=this.width,s=this.height,o=(i.width||this.width)*r,a=(i.height||this.height)*r,c=this.getZoom(),h=c*r,l=this.viewportTransform,u=(l[4]-i.left)*r,f=(l[5]-i.top)*r,d=[h,0,0,h,u,f],g=this.interactive,p=this.skipOffscreen,v=n!==o||s!==a;this.viewportTransform=d,this.skipOffscreen=!1,this.interactive=!1,v&&this.setDimensions({width:o,height:a},{backstoreOnly:!0}),this.renderAll();var b=this.__toDataURL(t,e,i);return this.interactive=g,this.skipOffscreen=p,this.viewportTransform=l,v&&this.setDimensions({width:n,height:s},{backstoreOnly:!0}),this.renderAll(),b},__toDataURL:function(e,i){var r=this.contextContainer.canvas;"jpg"===e&&(e="jpeg");var n=t?r.toDataURL("image/"+e,i):r.toDataURL("image/"+e);return n}})}();!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"),c=!e.isLikelyNode,h=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,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",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,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:0,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:c,statefullCache:!1,noScaleCache:!0,dirty:!0,__corner:0,paintFirst:"fill",stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY fillRule paintFirst".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height paintFirst strokeLineCap strokeLineJoin strokeMiterLimit backgroundColor".split(" "),initialize:function(t){t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.document.createElement("canvas"),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas()},_limitCacheSize:function(t){var i=e.perfLimitSizeTotal,r=e.cacheSideLimit,n=t.width,s=t.height,o=n/s,a=e.util.limitDimsByArea(o,i,r),c=e.util.capValue,h=e.maxCacheSideLimit,l=e.minCacheSideLimit,u=c(l,a.x,h),f=c(l,a.y,h);return n>u?(t.zoomX/=n/u,t.width=u):l>n&&(t.width=l),s>f?(t.zoomY/=s/f,t.height=f):l>s&&(t.height=l),t},_getCacheCanvasDimensions:function(){var t=this.canvas&&this.canvas.getZoom()||1,i=this.getObjectScaling(),r=this.canvas&&this.canvas._isRetinaScaling()?e.devicePixelRatio:1,n=this._getNonTransformedDimensions(),s=i.scaleX*t*r,o=i.scaleY*t*r,a=n.x*s,c=n.y*o;return{width:a+h,height:c+h,zoomX:s,zoomY:o,x:n.x,y:n.y}},_updateCacheCanvas:function(){if(this.noScaleCache&&this.canvas&&this.canvas._currentTransform){var t=this.canvas._currentTransform.target,i=this.canvas._currentTransform.action;if(this===t&&i.slice&&"scale"===i.slice(0,5))return!1}var r,n,s=this._cacheCanvas,o=this._limitCacheSize(this._getCacheCanvasDimensions()),a=e.minCacheSideLimit,c=o.width,h=o.height,l=o.zoomX,u=o.zoomY,f=c!==this.cacheWidth||h!==this.cacheHeight,d=this.zoomX!==l||this.zoomY!==u,g=f||d,p=0,v=0,b=!1;if(f){var m=this._cacheCanvas.width,_=this._cacheCanvas.height,y=c>m||h>_,C=(.9*m>c||.9*_>h)&&m>a&&_>a;b=y||C,y&&(p=.1*c,v=.1*h)}return g?(b?(s.width=Math.max(Math.ceil(c+p),a),s.height=Math.max(Math.ceil(h+v),a)):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,s.width,s.height)),r=o.x*l/2,n=o.y*u/2,this.cacheTranslationX=Math.round(s.width/2-r)+r,this.cacheTranslationY=Math.round(s.height/2-n)+n,this.cacheWidth=c,this.cacheHeight=h,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(l,u),this.zoomX=l,this.zoomY=u,!0):!1},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initClipping(t),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t){var e;e=this.group&&!this.group._transformDone?this.calcTransformMatrix():this.calcOwnMatrix(),t.transform(e[0],e[1],e[2],e[3],e[4],e[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,strokeLineJoin:this.strokeLineJoin,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,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,paintFirst:this.paintFirst,globalCompositeOperation:this.globalCompositeOperation,transformMatrix:this.transformMatrix?this.transformMatrix.concat():null,skewX:n(this.skewX,i),skewY:n(this.skewY,i)};return 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){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=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},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||0===this.width&&0===this.height||!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.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.clipTo&&e.util.clipContext(this,t),this.shouldCache()?(this._cacheCanvas||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext),this.dirty=!1),this.drawCacheOnCanvas(t)):(this._removeCacheCanvas(),this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),this.clipTo&&t.restore(),t.restore())},_removeCacheCanvas:function(){this._cacheCanvas=null,this.cacheWidth=0,this.cacheHeight=0},needsItsOwnCache:function(){return"stroke"===this.paintFirst&&"object"==typeof this.shadow?!0:!1},shouldCache:function(){return this.ownCaching=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawObject:function(t){this._renderBackground(t),this._setStrokeStyles(t,this),this._setFillStyles(t,this),this._render(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.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){e.stroke&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,t.strokeStyle=e.stroke.toLive?e.stroke.toLive(t,this):e.stroke)},_setFillStyles:function(t,e){e.fill&&(t.fillStyle=e.fill.toLive?e.fill.toLive(t,this):e.fill)},_setLineDash:function(t,e,i){e&&(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(),c=this.calcTransformMatrix();i=i||{},n="undefined"!=typeof i.hasBorders?i.hasBorders:this.hasBorders,s="undefined"!=typeof i.hasControls?i.hasControls:this.hasControls,c=e.util.multiplyTransformMatrices(a,c),r=e.util.qrDecompose(c),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=this.canvas&&this.canvas.viewportTransform[0]||1,r=this.canvas&&this.canvas.viewportTransform[3]||1,n=this.getObjectScaling();this.canvas&&this.canvas._isRetinaScaling()&&(i*=e.devicePixelRatio,r*=e.devicePixelRatio),t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*e.browserShadowBlurConstant*(i+r)*(n.scaleX+n.scaleY)/4,t.shadowOffsetX=this.shadow.offsetX*i*n.scaleX,t.shadowOffsetY=this.shadow.offsetY*r*n.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 t.translate(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))},_renderFill:function(t){this.fill&&(t.save(),this._applyPatternGradientTransform(t,this.fill),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){this.stroke&&0!==this.strokeWidth&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this._applyPatternGradientTransform(t,this.stroke),t.stroke(),t.restore())},_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.toDataURL(i);return e.util.loadImage(r,function(i){t&&t(new e.Image(i))}),this},toDataURL:function(t){t||(t={});var i=e.util.createCanvasElement(),r=this.getBoundingRect();i.width=r.width,i.height=r.height,e.util.wrapElement(i,"div");var n=new e.StaticCanvas(i,{enableRetinaScaling:t.enableRetinaScaling});"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(n.backgroundColor="#fff");var s={left:this.left,top:this.top};this.setPositionByOrigin(new e.Point(n.width/2,n.height/2),"center","center");var o=this.canvas;n.add(this);var a=n.toDataURL(t);return this.set(s).setCoords(),this.canvas=o,n.dispose(),n=null,a},isType:function(t){return this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var r={colorStops:[]};return r.type=i.type||(i.r1||i.r2?"radial":"linear"),r.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},(i.r1||i.r2)&&(r.coords.r1=i.r1,r.coords.r2=i.r2),r.gradientTransform=i.gradientTransform,e.Gradient.prototype.addColorStop.call(r,i.colorStops),this.set(t,e.Gradient.forObject(this,r))},setPatternFill:function(t){return this.set("fill",new e.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},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]);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,c,h,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,c=o-n,(a||c)&&(h=this._getTransformedDimensions(),l=t.x+a*h.x,u=t.y+c*h.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=Math.cos(s)*o,c=Math.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+=c*(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")},onDeselect:function(){}})}();!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.degreesToRadians,i=fabric.util.multiplyTransformMatrices;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,ownMatrixCache:null,matrixCache:null,getCoords:function(e,i){this.oCoords||this.setCoords();var r=e?this.aCoords:this.oCoords;return t(i?this.calcCoords(e):r)},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=0,s=t._getImageLines(i?t.calcCoords(e):e?t.aCoords:t.oCoords);4>n;n++)if(!t.containsPoint(r[n],s))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 e=e||this._getImageLines(r?this.calcCoords(i):i?this.aCoords:this.oCoords),n=this._findCrossPoints(t,e);return 0!==n&&n%2===1},isOnScreen:function(t){if(!this.canvas)return!1;for(var e,i=this.canvas.vptCoords.tl,r=this.canvas.vptCoords.br,n=this.getCoords(!0,t),s=0;4>s;s++)if(e=n[s],e.x<=r.x&&e.x>=i.x&&e.y<=r.y&&e.y>=i.y)return!0;if(this.intersectsWithRect(i,r,!0))return!0;var o={x:(i.x+r.x)/2,y:(i.y+r.y)/2};return this.containsPoint(o,null,!0)?!0:!1},_getImageLines:function(t){return{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}}},_findCrossPoints:function(t,e){var i,r,n,s,o,a,c=0;for(var h in e)if(a=e[h],!(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&&(c+=1),2!==c)))break;return c},getBoundingRect:function(t,e){var i=this.getCoords(t,e);return fabric.util.makeBoundingBoxFromPoints(i)},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){var i=e(this.angle),r=this.getViewportTransform(),n=t?this._getTransformedDimensions():this._calculateCurrentDimensions(),s=n.x,o=n.y,a=i?Math.sin(i):0,c=i?Math.cos(i):1,h=s>0?Math.atan(o/s):0,l=s/Math.cos(h)/2,u=Math.cos(h+i)*l,f=Math.sin(h+i)*l,d=this.getCenterPoint(),g=t?d:fabric.util.transformPoint(d,r),p=new fabric.Point(g.x-u,g.y-f),v=new fabric.Point(p.x+s*c,p.y+s*a),b=new fabric.Point(p.x-o*a,p.y+o*c),m=new fabric.Point(g.x+u,g.y+f);if(!t)var y=new fabric.Point((p.x+b.x)/2,(p.y+b.y)/2),_=new fabric.Point((v.x+p.x)/2,(v.y+p.y)/2),C=new fabric.Point((m.x+v.x)/2,(m.y+v.y)/2),w=new fabric.Point((m.x+b.x)/2,(m.y+b.y)/2),x=new fabric.Point(_.x+a*this.rotatingPointOffset,_.y-c*this.rotatingPointOffset);var g={tl:p,tr:v,br:m,bl:b};return t||(g.ml=y,g.mt=_,g.mr=C,g.mb=w,g.mtr=x),g},setCoords:function(t,e){return this.oCoords=this.calcCoords(t),e||(this.aCoords=this.calcCoords(!0)),t||this._setCornerCoords&&this._setCornerCoords(),this},_calcRotateMatrix:function(){if(this.angle){var t=e(this.angle),i=Math.cos(t),r=Math.sin(t);return(6.123233995736766e-17===i||-1.8369701987210297e-16===i)&&(i=0),[i,r,-r,i,0,0]}return fabric.iMatrix.concat()},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.flipX+e+this.flipY},calcTransformMatrix:function(t){if(t)return this.calcOwnMatrix();var e=this.transformMatrixKey(),r=this.matrixCache||(this.matrixCache={});if(r.key===e)return r.value;var n=this.calcOwnMatrix();return this.group&&(n=i(this.group.calcTransformMatrix(),n)),r.key=e,r.value=n,n},calcOwnMatrix:function(){var t=this.transformMatrixKey(!0),e=this.ownMatrixCache||(this.ownMatrixCache={});if(e.key===t)return e.value;var r,n=this.getCenterPoint(),s=[1,0,0,1,n.x,n.y],o=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,!0);return this.angle&&(r=this._calcRotateMatrix(),s=i(s,r)),s=i(s,o),e.key=t,e.value=s,s},_calcDimensionsTransformMatrix:function(t,r,n){var s,o=this.scaleX*(n&&this.flipX?-1:1),a=this.scaleY*(n&&this.flipY?-1:1),c=[o,0,0,a,0,0];return t&&(s=[1,0,Math.tan(e(t)),1],c=i(c,s,!0)),r&&(s=[1,Math.tan(e(r)),0,1],c=i(c,s,!0)),c},_getNonTransformedDimensions:function(){var t=this.strokeWidth,e=this.width+t,i=this.height+t;return{x:e,y:i}},_getTransformedDimensions:function(t,e){"undefined"==typeof t&&(t=this.skewX),"undefined"==typeof e&&(e=this.skewY);var i,r,n=this._getNonTransformedDimensions(),s=n.x/2,o=n.y/2,a=[{x:-s,y:-o},{x:s,y:-o},{x:-s,y:o},{x:s,y:o}],c=this._calcDimensionsTransformMatrix(t,e,!1);for(i=0;i<a.length;i++)a[i]=fabric.util.transformPoint(a[i],c);return r=fabric.util.makeBoundingBoxFromPoints(a),{x:r.width,y:r.height}},_calculateCurrentDimensions:function(){var t=this.getViewportTransform(),e=this._getTransformedDimensions(),i=fabric.util.transformPoint(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.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?fabric.StaticCanvas.prototype.bringForward.call(this.group,this,t):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.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.Object.NUM_FRACTION_DIGITS,i=fabric.util.toFixed;fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(e){var i=this.fillRule,r=this.strokeWidth?this.strokeWidth:"0",n=this.strokeDashArray?this.strokeDashArray.join(" "):"none",s=this.strokeLineCap?this.strokeLineCap:"butt",o=this.strokeLineJoin?this.strokeLineJoin:"miter",a=this.strokeMiterLimit?this.strokeMiterLimit:"4",c="undefined"!=typeof this.opacity?this.opacity:"1",h=this.visible?"":" visibility: hidden;",l=e?"":this.getSvgFilter(),u=t("fill",this.fill),f=t("stroke",this.stroke);return[f,"stroke-width: ",r,"; ","stroke-dasharray: ",n,"; ","stroke-linecap: ",s,"; ","stroke-linejoin: ",o,"; ","stroke-miterlimit: ",a,"; ",u,"fill-rule: ",i,"; ","opacity: ",c,";",l,h].join("")},getSvgSpanStyles:function(e,i){var r="; ",n=e.strokeWidth?"stroke-width: "+e.strokeWidth+r:"",s=e.fontFamily?"font-family: "+e.fontFamily.replace(/"/g,"'")+r:"",o=e.fontSize?"font-size: "+e.fontSize+r:"",a=e.fontStyle?"font-style: "+e.fontStyle+r:"",c=e.fontWeight?"font-weight: "+e.fontWeight+r:"",h=e.fill?t("fill",e.fill):"",l=e.stroke?t("stroke",e.stroke):"",u=this.getSvgTextDecoration(e);return u&&(u="text-decoration: "+u+r),[l,n,s,o,a,c,u,h,i?"white-space: pre; ":""].join("")},getSvgTextDecoration:function(t){return"overline"in t||"underline"in t||"linethrough"in t?(t.overline?"overline ":"")+(t.underline?"underline ":"")+(t.linethrough?"line-through ":""):""},getSvgFilter:function(){return this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":""},getSvgId:function(){return this.id?'id="'+this.id+'" ':""},getSvgTransform:function(){var t=this.angle,e=this.skewX%360,r=this.skewY%360,n=this.getCenterPoint(),s=fabric.Object.NUM_FRACTION_DIGITS,o="translate("+i(n.x,s)+" "+i(n.y,s)+")",a=0!==t?" rotate("+i(t,s)+")":"",c=1===this.scaleX&&1===this.scaleY?"":" scale("+i(this.scaleX,s)+" "+i(this.scaleY,s)+")",h=0!==e?" skewX("+i(e,s)+")":"",l=0!==r?" skewY("+i(r,s)+")":"",u=this.flipX?" matrix(-1 0 0 1 0 0) ":"",f=this.flipY?" matrix(1 0 0 -1 0 0)":"";return[o,a,c,u,f,h,l].join("")},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+") ":""},_setSVGBg:function(t){this.backgroundColor&&t.push("		<rect ",this._getFillAttributes(this.backgroundColor),' x="',i(-this.width/2,e),'" y="',i(-this.height/2,e),'" width="',i(this.width,e),'" height="',i(this.height,e),'"></rect>\n')},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order="'+this.paintFirst+'" ':""}})}();!function(){function t(t,e,r){var n={},s=!0;r.forEach(function(e){n[e]=t[e]}),i(t[e],n,s)}function e(t,i,r){if(t===i)return!0;if(Array.isArray(t)){if(t.length!==i.length)return!1;for(var n=0,s=t.length;s>n;n++)if(!e(t[n],i[n]))return!1;return!0}if(t&&"object"==typeof t){var o,a=Object.keys(t);if(!r&&a.length!==Object.keys(i).length)return!1;for(var n=0,s=a.length;s>n;n++)if(o=a[n],!e(t[o],i[o]))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,{_controlsVisibility:null,_findTargetCorner:function(t){if(!this.hasControls||this.group||!this.canvas||this.canvas._activeObject!==this)return!1;var e,i,r=t.x,n=t.y;this.__corner=0;for(var s in this.oCoords)if(this.isControlVisible(s)&&("mtr"!==s||this.hasRotatingPoint)&&(!this.get("lockUniScaling")||"mt"!==s&&"mr"!==s&&"mb"!==s&&"ml"!==s)&&(i=this._getImageLines(this.oCoords[s].corner),e=this._findCrossPoints({x:r,y:n},i),0!==e&&e%2===1))return this.__corner=s,s;return!1},_setCornerCoords:function(){var e,i,r=this.oCoords,n=t(45-this.angle),s=.707106*this.cornerSize,o=s*Math.cos(n),a=s*Math.sin(n);for(var c in r)e=r[c].x,i=r[c].y,r[c].corner={tl:{x:e-a,y:i-o},tr:{x:e+o,y:i-a},bl:{x:e-o,y:i+a},br:{x:e+a,y:i+o}}},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=1/this.borderScaleFactor,n=i.x+r,s=i.y+r,o="undefined"!=typeof e.hasRotatingPoint?e.hasRotatingPoint:this.hasRotatingPoint,a="undefined"!=typeof e.hasControls?e.hasControls:this.hasControls,c="undefined"!=typeof e.rotatingPointOffset?e.rotatingPointOffset:this.rotatingPointOffset;if(t.save(),t.strokeStyle=e.borderColor||this.borderColor,this._setLineDash(t,e.borderDashArray||this.borderDashArray,null),t.strokeRect(-n/2,-s/2,n,s),o&&this.isControlVisible("mtr")&&a){var h=-s/2;t.beginPath(),t.moveTo(0,h),t.lineTo(0,h-c),t.closePath(),t.stroke()}return t.restore(),this},drawBordersInGroup:function(t,e,i){i=i||{};var r=this._getNonTransformedDimensions(),n=fabric.util.customTransformMatrix(e.scaleX,e.scaleY,e.skewX),s=fabric.util.transformPoint(r,n),o=1/this.borderScaleFactor,a=s.x+o,c=s.y+o;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){e=e||{};var i=this._calculateCurrentDimensions(),r=i.x,n=i.y,s=e.cornerSize||this.cornerSize,o=-(r+s)/2,a=-(n+s)/2,c="undefined"!=typeof e.transparentCorners?e.transparentCorners:this.transparentCorners,h="undefined"!=typeof e.hasRotatingPoint?e.hasRotatingPoint:this.hasRotatingPoint,l=c?"stroke":"fill";return t.save(),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._drawControl("tl",t,l,o,a,e),this._drawControl("tr",t,l,o+r,a,e),this._drawControl("bl",t,l,o,a+n,e),this._drawControl("br",t,l,o+r,a+n,e),this.get("lockUniScaling")||(this._drawControl("mt",t,l,o+r/2,a,e),this._drawControl("mb",t,l,o+r/2,a+n,e),this._drawControl("mr",t,l,o+r,a+n/2,e),this._drawControl("ml",t,l,o,a+n/2,e)),h&&this._drawControl("mtr",t,l,o+r/2,a-this.rotatingPointOffset,e),t.restore(),this},_drawControl:function(t,e,i,r,n,s){if(s=s||{},this.isControlVisible(t)){var o=this.cornerSize,a=!this.transparentCorners&&this.cornerStrokeColor;switch(s.cornerStyle||this.cornerStyle){case"circle":e.beginPath(),e.arc(r+o/2,n+o/2,o/2,0,2*Math.PI,!1),e[i](),a&&e.stroke();break;default:this.transparentCorners||e.clearRect(r,n,o,o),e[i+"Rect"](r,n,o,o),a&&e.strokeRect(r,n,o,o)}}},isControlVisible:function(t){return this._getControlsVisibility()[t]},setControlVisible:function(t,e){return this._getControlsVisibility()[t]=e,this},setControlsVisibility:function(t){t||(t={});for(var e in t)this.setControlVisible(e,t[e]);return this},_getControlsVisibility:function(){return this._controlsVisibility||(this._controlsVisibility={tl:!0,tr:!0,br:!0,bl:!0,ml:!0,mt:!0,mr:!0,mb:!0,mtr:!0}),this._controlsVisibility},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,s=this;return fabric.util.animate({startValue:t.left,endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),s.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,s=this;return fabric.util.animate({startValue:t.top,endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),s.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,s=this;return fabric.util.animate({startValue:t.opacity,endValue:0,duration:this.FX_DURATION,onChange:function(e){t.set("opacity",e),s.requestRenderAll(),n()},onComplete:function(){s.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,s=this;e=e.toString(),i=i?fabric.util.object.clone(i):{},~t.indexOf(".")&&(n=t.split("."));var o=n?this.get(n[0])[n[1]]:this.get(t);"from"in i||(i.from=o),e=~e.indexOf("=")?o+parseFloat(e.replace("=","")):parseFloat(e),fabric.util.animate({startValue:i.from,endValue:e,byValue:i.by,easing:i.easing,duration:i.duration,abort:i.abort&&function(){return i.abort.call(s)},onChange:function(e,o,a){n?s[n[0]][n[1]]=e:s.set(t,e),r||i.onChange&&i.onChange(e,o,a)},onComplete:function(t,e,n){r||(s.setCoords(),i.onComplete&&i.onComplete(t,e,n))}})}});!function(t){"use strict";function e(t,e){var i=t.origin,r=t.axis1,n=t.axis2,s=t.dimension,o=e.nearest,a=e.center,c=e.farthest;return function(){switch(this.get(i)){case o:return Math.min(this.get(r),this.get(n));case a:return Math.min(this.get(r),this.get(n))+.5*this.get(s);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,s={x1:1,x2:1,y1:1,y2:1},o=i.StaticCanvas.supports("setLineDash");if(i.Line)return void i.warn("fabric.Line is already defined");var a=i.Object.prototype.cacheProperties.concat();a.push("x1","x2","y1","y2"),i.Line=i.util.createClass(i.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,cacheProperties:a,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 s[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&&o){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,s=e*this.height*-.5;return{x1:i,x2:n,y1:r,y2:s}},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.calcLinePoints();return e.push("<line ",this.getSvgId(),'x1="',i.x1,'" y1="',i.y1,'" x2="',i.x2,'" y2="',i.y2,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")}}),i.Line.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),i.Line.fromElement=function(t,e,n){n=n||{};var s=i.parseAttributes(t,i.Line.ATTRIBUTE_NAMES),o=[s.x1||0,s.y1||0,s.x2||0,s.y2||0];e(new i.Line(o,r(s,n)))},i.Line.fromObject=function(t,e){function r(t){delete t.points,e&&e(t)}var s=n(t,!0);s.points=[t.x1,t.y1,t.x2,t.y2],i.Object._fromObject("Line",s,r,"points")}}("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;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(e.originX&&(this.originX=e.originX),e.originY&&(this.originY=e.originY),i)this._updateObjectsACoords();else{var n=e&&e.centerPoint;n||this._calcBounds(),this._updateObjectsCoords(n),delete e.centerPoint,this.callSuper("initialize",e)}this.setCoords()},_updateObjectsACoords:function(){for(var t=!0,e=!0,i=this._objects.length;i--;)this._objects[i].setCoords(t,e)},_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,s=!0;t.set({left:i-e.x,top:r-e.y}),t.group=this,t.setCoords(n,s)},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,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,e){var i=this._objects.length;if(this.useSetOnGroup)for(;i--;)this._objects[i].setOnGroup(t,e);if("canvas"===t)for(i=this._objects.length;i--;)this._objects[i]._set(t,e);this.callSuper("_set",t,e)},toObject:function(t){var e=this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toObject(t);return e.includeDefaultValues=i,r});return i(this.callSuper("toObject",t),{objects:e})},toDatalessObject:function(t){var e,r=this.sourcePath;return e=r?r:this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toDatalessObject(t);return e.includeDefaultValues=i,r}),i(this.callSuper("toDatalessObject",t),{objects:e})},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache());if(this.ownCaching=t,t)for(var e=0,i=this._objects.length;i>e;e++)if(this._objects[e].willDrawShadow())return this.ownCaching=!1,!1;return t},willDrawShadow:function(){if(this.shadow)return this.callSuper("willDrawShadow");for(var t=0,e=this._objects.length;e>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)},isCacheDirty:function(){if(this.callSuper("isCacheDirty"))return!0;if(!this.statefullCache)return!1;for(var t=0,e=this._objects.length;e>t;t++)if(this._objects[t].isCacheDirty(!0)){if(this._cacheCanvas){var i=this.cacheWidth/this.zoomX,r=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-i/2,-r/2,i,r)}return!0}return!1},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},realizeTransform:function(t){var i=t.calcTransformMatrix(),r=e.util.qrDecompose(i),n=new e.Point(r.translateX,r.translateY);return t.flipX=!1,t.flipY=!1,t.set("scaleX",r.scaleX),t.set("scaleY",r.scaleY),t.skewX=r.skewX,t.skewY=r.skewY,t.angle=r.angle,t.setPositionByOrigin(n,"center","center"),t},_restoreObjectState:function(t){return this.realizeTransform(t),t.setCoords(),delete t.group,this},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,e=!0;return this.forEachObject(function(i){i.setCoords(t,e)}),this},_calcBounds:function(t){for(var e,i,r,n=[],s=[],o=["tr","br","bl","tl"],a=0,c=this._objects.length,h=o.length,l=!0;c>a;++a)for(e=this._objects[a],e.setCoords(l),r=0;h>r;r++)i=o[r],n.push(e.oCoords[i].x),s.push(e.oCoords[i].y);this.set(this._getBounds(n,s,t))},_getBounds:function(t,i,s){var o=new e.Point(r(t),r(i)),a=new e.Point(n(t),n(i)),c={width:a.x-o.x||0,height:a.y-o.y||0};return s||(c.left=o.x||0,c.top=o.y||0,"center"===this.originX&&(c.left+=c.width/2),"right"===this.originX&&(c.left+=c.width),"center"===this.originY&&(c.top+=c.height/2),"bottom"===this.originY&&(c.top+=c.height)),c},toSVG:function(t){var e=this._createBaseSVGMarkup();e.push("<g ",this.getSvgId(),'transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'" style="',this.getSvgFilter(),'">\n');for(var i=0,r=this._objects.length;r>i;i++)e.push("	",this._objects[i].toSVG(t));return e.push("</g>\n"),t?t(e.join("")):e.join("")}}),e.Group.fromObject=function(t,i){e.util.enlivenObjects(t.objects,function(r){var n=e.util.object.clone(t,!0);delete n.objects,i&&i(new e.Group(r,n,!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;this._objects=[];var i=this.toObject(),r=new e.Group([]);if(delete i.objects,r.set(i),r.type="group",t.forEach(function(t){t.group=r,t.canvas.remove(t)}),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()+")>"},_set:function(t,i){var r=this._objects.length;if("canvas"===t)for(;r--;)this._objects[r].set(t,i);if(this.useSetOnGroup)for(;r--;)this._objects[r].setOnGroup(t,i);e.Object.prototype._set.call(this,t,i)},shouldCache:function(){return!1},willDrawShadow:function(){if(this.shadow)return this.callSuper("willDrawShadow");for(var t=0,e=this._objects.length;e>t;t++)if(this._objects[t].willDrawShadow())return!0;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),"undefined"==typeof i.hasRotatingPoint&&(i.hasRotatingPoint=!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);