EVOLUTION-MANAGER

Edit File: wb.min.js

var fabric=fabric||{version:"2.7.0"};"undefined"!==typeof exports?exports.fabric=fabric:"function"===typeof define&&define.amd&&define([],function(){return fabric}); "undefined"!==typeof document&&"undefined"!==typeof window?(fabric.document=document instanceof HTMLDocument?document:document.implementation.createHTMLDocument(""),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.jsdomImplForWrapper=require("jsdom/lib/jsdom/living/generated/utils").implForWrapper,fabric.nodeCanvas=require("jsdom/lib/jsdom/utils").Canvas, fabric.window=fabric.document.defaultView,DOMParser=require("xmldom").DOMParser);fabric.isTouchSupported="ontouchstart"in fabric.window||"ontouchstart"in fabric.document||fabric.window&&fabric.window.navigator&&0<fabric.window.navigator.maxTouchPoints;fabric.isLikelyNode="undefined"!==typeof Buffer&&"undefined"===typeof window;fabric.SHARED_ATTRIBUTES="display transform fill fill-opacity fill-rule opacity stroke stroke-dasharray stroke-linecap stroke-dashoffset stroke-linejoin stroke-miterlimit stroke-opacity stroke-width id paint-order vector-effect instantiated_by_use clip-path".split(" "); 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.arcToSegmentsCache={};fabric.boundsOfCurveCache={};fabric.cachesBoundsOfCurve=!0;fabric.initFilterBackend=function(){if(fabric.enableGLFiltering&&fabric.isWebglSupported&&fabric.isWebglSupported(fabric.textureSize))return console.log("max texture size: "+fabric.maxTextureSize),new fabric.WebglFilterBackend({tileSize:fabric.textureSize});if(fabric.Canvas2dFilterBackend)return new fabric.Canvas2dFilterBackend};"undefined"!==typeof document&&"undefined"!==typeof window&&(window.fabric=fabric); (function(){function c(a,b){this.__eventListeners[a]&&(a=this.__eventListeners[a],b?a[a.indexOf(b)]=!1:fabric.util.array.fill(a,!1))}function b(a,b){this.__eventListeners||(this.__eventListeners={});if(1===arguments.length)for(var e in a)this.on(e,a[e]);else this.__eventListeners[a]||(this.__eventListeners[a]=[]),this.__eventListeners[a].push(b);return this}function d(a,b){if(this.__eventListeners){if(0===arguments.length)for(a in this.__eventListeners)c.call(this,a);else if(1===arguments.length&& "object"===typeof arguments[0])for(var e in a)c.call(this,e,a[e]);else c.call(this,a,b);return this}}function a(a,b){if(this.__eventListeners){var e=this.__eventListeners[a];if(e){for(var g=0,c=e.length;g<c;g++)e[g]&&e[g].call(this,b||{});this.__eventListeners[a]=e.filter(function(a){return!1!==a});return this}}}fabric.Observable={observe:b,stopObserving:d,fire:a,on:b,off:d,trigger:a}})(); fabric.Collection={_objects:[],add:function(){this._objects.push.apply(this._objects,arguments);if(this._onObjectAdded)for(var c=0,b=arguments.length;c<b;c++)this._onObjectAdded(arguments[c]);this.renderOnAddRemove&&this.requestRenderAll();return this},insertAt:function(c,b,d){var a=this._objects;d?a[b]=c:a.splice(b,0,c);this._onObjectAdded&&this._onObjectAdded(c);this.renderOnAddRemove&&this.requestRenderAll();return this},remove:function(){for(var c=this._objects,b,d=!1,a=0,e=arguments.length;a< e;a++)b=c.indexOf(arguments[a]),-1!==b&&(d=!0,c.splice(b,1),this._onObjectRemoved&&this._onObjectRemoved(arguments[a]));this.renderOnAddRemove&&d&&this.requestRenderAll();return this},forEachObject:function(c,b){for(var d=this.getObjects(),a=0,e=d.length;a<e;a++)c.call(b,d[a],a,d);return this},getObjects:function(c){return"undefined"===typeof c?this._objects.concat():this._objects.filter(function(b){return b.type===c})},item:function(c){return this._objects[c]},isEmpty:function(){return 0===this._objects.length}, size:function(){return this._objects.length},contains:function(c){return-1<this._objects.indexOf(c)},complexity:function(){return this._objects.reduce(function(c,b){return c+=b.complexity?b.complexity():0},0)}}; fabric.CommonMethods={_setOptions:function(c){for(var b in c)this.set(b,c[b])},_initGradient:function(c,b){!c||!c.colorStops||c instanceof fabric.Gradient||this.set(b,new fabric.Gradient(c))},_initPattern:function(c,b,d){!c||!c.source||c instanceof fabric.Pattern?d&&d():this.set(b,new fabric.Pattern(c,d))},_initClipping:function(c){c.clipTo&&"string"===typeof c.clipTo&&(c=fabric.util.getFunctionBody(c.clipTo),"undefined"!==typeof c&&(this.clipTo=new Function("ctx",c)))},_setObject:function(c){for(var b in c)this._set(b, c[b])},set:function(c,b){"object"===typeof c?this._setObject(c):"function"===typeof b&&"clipTo"!==c?this._set(c,b(this.get(c))):this._set(c,b);return this},_set:function(c,b){this[c]=b},toggle:function(c){var b=this.get(c);"boolean"===typeof b&&this.set(c,!b);return this},get:function(c){return this[c]}}; (function(c){var b=Math.sqrt,d=Math.atan2,a=Math.pow,e=Math.abs,f=Math.PI/180,h=Math.PI/2;fabric.util={cos:function(a){if(0===a)return 1;0>a&&(a=-a);switch(a/h){case 1:case 3:return 0;case 2:return-1}return Math.cos(a)},sin:function(a){if(0===a)return 0;var e=a/h,b=1;0>a&&(b=-1);switch(e){case 1:return b;case 2:return 0;case 3:return-b}return Math.sin(a)},removeFromArray:function(a,e){e=a.indexOf(e);-1!==e&&a.splice(e,1);return a},getRandomInt:function(a,e){return Math.floor(Math.random()*(e-a+1))+ a},degreesToRadians:function(a){return a*f},radiansToDegrees:function(a){return a/f},rotatePoint:function(a,e,b){a.subtractEquals(e);a=fabric.util.rotateVector(a,b);return(new fabric.Point(a.x,a.y)).addEquals(e)},rotateVector:function(a,e){var b=fabric.util.sin(e);e=fabric.util.cos(e);return{x:a.x*e-a.y*b,y:a.x*b+a.y*e}},transformPoint:function(a,e,b){return b?new fabric.Point(e[0]*a.x+e[2]*a.y,e[1]*a.x+e[3]*a.y):new fabric.Point(e[0]*a.x+e[2]*a.y+e[4],e[1]*a.x+e[3]*a.y+e[5])},makeBoundingBoxFromPoints:function(a){var e= [a[0].x,a[1].x,a[2].x,a[3].x],b=fabric.util.array.min(e),e=fabric.util.array.max(e)-b,g=[a[0].y,a[1].y,a[2].y,a[3].y];a=fabric.util.array.min(g);g=fabric.util.array.max(g);return{left:b,top:a,width:e,height:g-a}},invertTransform:function(a){var e=1/(a[0]*a[3]-a[1]*a[2]),e=[e*a[3],-e*a[1],-e*a[2],e*a[0]];a=fabric.util.transformPoint({x:a[4],y:a[5]},e,!0);e[4]=-a.x;e[5]=-a.y;return e},toFixed:function(a,e){return parseFloat(Number(a).toFixed(e))},parseUnit:function(a,e){var b=/\D{0,2}$/.exec(a);a=parseFloat(a); e||(e=fabric.Text.DEFAULT_SVG_FONT_SIZE);switch(b[0]){case "mm":return a*fabric.DPI/25.4;case "cm":return a*fabric.DPI/2.54;case "in":return a*fabric.DPI;case "pt":return a*fabric.DPI/72;case "pc":return a*fabric.DPI/72*12;case "em":return a*e;default:return a}},falseFunction:function(){return!1},getKlass:function(a,e){a=fabric.util.string.camelize(a.charAt(0).toUpperCase()+a.slice(1));return fabric.util.resolveNamespace(e)[a]},getSvgAttributes:function(a){var e=["instantiated_by_use","style","id", "class"];switch(a){case "linearGradient":e=e.concat("x1 y1 x2 y2 gradientUnits gradientTransform".split(" "));break;case "radialGradient":e=e.concat("gradientUnits gradientTransform cx cy r fx fy fr".split(" "));break;case "stop":e=e.concat(["offset","stop-color","stop-opacity"])}return e},resolveNamespace:function(a){if(!a)return fabric;a=a.split(".");var e=a.length,b,g=c||fabric.window;for(b=0;b<e;++b)g=g[a[b]];return g},loadImage:function(a,e,b,c){if(a){var g=fabric.util.createImage(),d=function(){e&& e.call(b,g);g=g.onload=g.onerror=null};g.onload=d;g.onerror=function(){fabric.log("Error loading "+g.src);e&&e.call(b,null,!0);g=g.onload=g.onerror=null};0!==a.indexOf("data")&&c&&(g.crossOrigin=c);"data:image/svg"===a.substring(0,14)&&(g.onload=null,fabric.util.loadImageInDom(g,d));g.src=a}else e&&e.call(b,a)},loadImageInDom:function(a,e){var b=fabric.document.createElement("div");b.style.width=b.style.height="1px";b.style.left=b.style.top="-100%";b.style.position="absolute";b.appendChild(a);fabric.document.querySelector("body").appendChild(b); a.onload=function(){e();b.parentNode.removeChild(b);b=null}},enlivenObjects:function(a,e,b,c){a=a||[];var g=[],d=0,f=a.length;f?a.forEach(function(a,h){a&&a.type?fabric.util.getKlass(a.type,b).fromObject(a,function(b,p){p||(g[h]=b);c&&c(a,b,p);++d===f&&e&&e(g)}):++d===f&&e&&e(g)}):e&&e(g)},enlivenPatterns:function(a,e){a=a||[];var b=[],g=0,c=a.length;c?a.forEach(function(a,d){a&&a.source?new fabric.Pattern(a,function(a){b[d]=a;++g===c&&e&&e(b)}):(b[d]=a,++g===c&&e&&e(b))}):e&&e(b)},groupSVGElements:function(a, e,b){if(a&&1===a.length)return a[0];e&&(e.width&&e.height?e.centerPoint={x:e.width/2,y:e.height/2}:(delete e.width,delete e.height));a=new fabric.Group(a,e);"undefined"!==typeof b&&(a.sourcePath=b);return a},populateWithProperties:function(a,e,b){if(b&&"[object Array]"===Object.prototype.toString.call(b))for(var c=0,g=b.length;c<g;c++)b[c]in a&&(e[b[c]]=a[b[c]])},drawDashedLine:function(a,e,c,f,h,r){f-=e;var g=h-c;h=b(f*f+g*g);f=d(g,f);var g=r.length,p=0,k=!0;a.save();a.translate(e,c);a.moveTo(0, 0);a.rotate(f);for(e=0;h>e;)e+=r[p++%g],e>h&&(e=h),a[k?"lineTo":"moveTo"](e,0),k=!k;a.restore()},createCanvasElement:function(){return fabric.document.createElement("canvas")},copyCanvasElement:function(a){var e=fabric.util.createCanvasElement();e.width=a.width;e.height=a.height;e.getContext("2d").drawImage(a,0,0);return e},toDataURL:function(a,e,b){return a.toDataURL("image/"+e,b)},createImage:function(){return fabric.document.createElement("img")},clipContext:function(a,e){e.save();e.beginPath(); a.clipTo(e);e.clip()},multiplyTransformMatrices:function(a,e,b){return[a[0]*e[0]+a[2]*e[1],a[1]*e[0]+a[3]*e[1],a[0]*e[2]+a[2]*e[3],a[1]*e[2]+a[3]*e[3],b?0:a[0]*e[4]+a[2]*e[5]+a[4],b?0:a[1]*e[4]+a[3]*e[5]+a[5]]},qrDecompose:function(e){var c=d(e[1],e[0]),g=a(e[0],2)+a(e[1],2),h=b(g),x=(e[0]*e[3]-e[2]*e[1])/h,g=d(e[0]*e[2]+e[1]*e[3],g);return{angle:c/f,scaleX:h,scaleY:x,skewX:g/f,skewY:0,translateX:e[4],translateY:e[5]}},customTransformMatrix:function(a,b,c){c=[1,0,e(Math.tan(c*f)),1];a=[e(a),0,0,e(b)]; return fabric.util.multiplyTransformMatrices(a,c,!0)},resetObjectTransform:function(a){a.scaleX=1;a.scaleY=1;a.skewX=0;a.skewY=0;a.flipX=!1;a.flipY=!1;a.rotate(0)},saveObjectTransform:function(a){return{scaleX:a.scaleX,scaleY:a.scaleY,skewX:a.skewX,skewY:a.skewY,angle:a.angle,left:a.left,flipX:a.flipX,flipY:a.flipY,top:a.top}},getFunctionBody:function(a){return(String(a).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},isTransparent:function(a,e,b,c){0<c&&(e=e>c?e-c:0,b=b>c?b-c:0);var d=!0;e=a.getImageData(e, b,2*c||1,2*c||1);b=e.data.length;for(a=3;a<b&&(d=e.data[a],d=0>=d,!1!==d);a+=4);return d},parsePreserveAspectRatioAttribute:function(a){var e="meet",b;(a=a.split(" "))&&a.length&&(e=a.pop(),"meet"!==e&&"slice"!==e?(b=e,e="meet"):a.length&&(b=a.pop()));a="none"!==b?b.slice(1,4):"none";b="none"!==b?b.slice(5,8):"none";return{meetOrSlice:e,alignX:a,alignY:b}},clearFabricFontCache:function(a){(a=(a||"").toLowerCase())?fabric.charWidthsCache[a]&&delete fabric.charWidthsCache[a]:fabric.charWidthsCache= {}},limitDimsByArea:function(a,e){a=Math.sqrt(e*a);return{x:Math.floor(a),y:Math.floor(e/a)}},capValue:function(a,e,b){return Math.max(a,Math.min(e,b))},findScaleToFit:function(a,e){return Math.min(e.width/a.width,e.height/a.height)},findScaleToCover:function(a,e){return Math.max(e.width/a.width,e.height/a.height)}}})("undefined"!==typeof exports?exports:this); (function(){function c(e,c,d,g,k,n,t){var f=a.call(arguments);if(fabric.arcToSegmentsCache[f])return fabric.arcToSegmentsCache[f];var h=Math.PI,v=t*h/180,p=fabric.util.sin(v),v=fabric.util.cos(v),B=0,l=0;d=Math.abs(d);g=Math.abs(g);var E=-v*e*.5-p*c*.5,C=-v*c*.5+p*e*.5,m=d*d,y=g*g,z=C*C,w=E*E,A=m*y-m*z-y*w,u=0;0>A?(m=Math.sqrt(1-A/(m*y)),d*=m,g*=m):u=(k===n?-1:1)*Math.sqrt(A/(m*z+y*w));var y=u*d*C/g,z=-u*g*E/d,u=v*y-p*z+.5*e,m=p*y+v*z+.5*c,q=b(1,0,(E-y)/d,(C-z)/g),C=b((E-y)/d,(C-z)/g,(-E-y)/d,(-C- z)/g);0===n&&0<C?C-=2*h:1===n&&0>C&&(C+=2*h);h=Math.ceil(Math.abs(C/h*2));E=[];C/=h;y=8/3*Math.sin(C/4)*Math.sin(C/4)/Math.sin(C/2);z=q+C;for(w=0;w<h;w++){var A=w,F=q,I=z,q=v,S=p,P=d,U=g,W=u,ba=m,D=y,H=fabric.util.cos(F),F=fabric.util.sin(F),N=fabric.util.cos(I),I=fabric.util.sin(I),W=q*P*N-S*U*I+W,ba=S*P*N+q*U*I+ba;E[A]=[B+D*(-q*P*F-S*U*H),l+D*(-S*P*F+q*U*H),W+D*(q*P*I+S*U*N),ba+D*(S*P*I-q*U*N),W,ba];B=E[w][4];l=E[w][5];q=z;z+=C}return fabric.arcToSegmentsCache[f]=E}function b(a,b,c,d){a=Math.atan2(b, a);c=Math.atan2(d,c);return c>=a?c-a:2*Math.PI-(a-c)}function d(e,b,c,d,k,n,t,x){var f;if(fabric.cachesBoundsOfCurve&&(f=a.call(arguments),fabric.boundsOfCurveCache[f]))return fabric.boundsOfCurveCache[f];var g=Math.sqrt,p=Math.min,h=Math.max,l=Math.abs,E=[],C=[[],[]],m,y,z,w,A;y=6*e-12*c+6*k;m=-3*e+9*c-9*k+3*t;z=3*c-3*e;for(var u=0;2>u;++u)0<u&&(y=6*b-12*d+6*n,m=-3*b+9*d-9*n+3*x,z=3*d-3*b),1E-12>l(m)?1E-12>l(y)||(w=-z/y,0<w&&1>w&&E.push(w)):(w=y*y-4*z*m,0>w||(A=g(w),w=(-y+A)/(2*m),0<w&&1>w&&E.push(w), w=(-y-A)/(2*m),0<w&&1>w&&E.push(w)));for(l=g=E.length;g--;)w=E[g],y=1-w,m=y*y*y*e+3*y*y*w*c+3*y*w*w*k+w*w*w*t,C[0][g]=m,m=y*y*y*b+3*y*y*w*d+3*y*w*w*n+w*w*w*x,C[1][g]=m;C[0][l]=e;C[1][l]=b;C[0][l+1]=t;C[1][l+1]=x;p=[{x:p.apply(null,C[0]),y:p.apply(null,C[1])},{x:h.apply(null,C[0]),y:h.apply(null,C[1])}];fabric.cachesBoundsOfCurve&&(fabric.boundsOfCurveCache[f]=p);return p}var a=Array.prototype.join;fabric.util.drawArc=function(a,b,d,g){var e=[[],[],[],[]];g=c(g[5]-b,g[6]-d,g[0],g[1],g[3],g[4],g[2]); for(var f=0,h=g.length;f<h;f++)e[f][0]=g[f][0]+b,e[f][1]=g[f][1]+d,e[f][2]=g[f][2]+b,e[f][3]=g[f][3]+d,e[f][4]=g[f][4]+b,e[f][5]=g[f][5]+d,a.bezierCurveTo.apply(a,e[f])};fabric.util.getBoundsOfArc=function(a,b,h,g,k,n,t,x,r){var e=0,f=0,B=[];h=c(x-a,r-b,h,g,n,t,k);g=0;for(k=h.length;g<k;g++)e=d(e,f,h[g][0],h[g][1],h[g][2],h[g][3],h[g][4],h[g][5]),B.push({x:e[0].x+a,y:e[0].y+b}),B.push({x:e[1].x+a,y:e[1].y+b}),e=h[g][4],f=h[g][5];return B};fabric.util.getBoundsOfCurve=d})(); (function(){function c(b,a,e){if(b&&0!==b.length){var c=b.length-1,d=a?b[c][a]:b[c];if(a)for(;c--;)e(b[c][a],d)&&(d=b[c][a]);else for(;c--;)e(b[c],d)&&(d=b[c]);return d}}var b=Array.prototype.slice;fabric.util.array={fill:function(b,a){for(var e=b.length;e--;)b[e]=a;return b},invoke:function(c,a){for(var e=b.call(arguments,2),d=[],h=0,g=c.length;h<g;h++)d[h]=e.length?c[h][a].apply(c[h],e):c[h][a].call(c[h]);return d},min:function(b,a){return c(b,a,function(a,b){return a<b})},max:function(b,a){return c(b, a,function(a,b){return a>=b})}}})();(function(){function c(b,d,a){if(a)if(!fabric.isLikelyNode&&d instanceof Element)b=d;else if(d instanceof Array){b=[];for(var e=0,f=d.length;e<f;e++)b[e]=c({},d[e],a)}else if(d&&"object"===typeof d)for(e in d)"canvas"===e?b[e]=c({},d[e]):d.hasOwnProperty(e)&&(b[e]=c({},d[e],a));else b=d;else for(e in d)b[e]=d[e];return b}fabric.util.object={extend:c,clone:function(b,d){return c({},b,d)}};fabric.util.object.extend(fabric.util,fabric.Observable)})(); (function(){function c(b,c){var a=b.charCodeAt(c);if(isNaN(a))return"";if(55296>a||57343<a)return b.charAt(c);if(55296<=a&&56319>=a){if(b.length<=c+1)throw"High surrogate without following low surrogate";a=b.charCodeAt(c+1);if(56320>a||57343<a)throw"High surrogate without following low surrogate";return b.charAt(c)+b.charAt(c+1)}if(0===c)throw"Low surrogate without preceding high surrogate";b=b.charCodeAt(c-1);if(55296>b||56319<b)throw"Low surrogate without preceding high surrogate";return!1}fabric.util.string= {camelize:function(b){return b.replace(/-+(.)?/g,function(b,a){return a?a.toUpperCase():""})},capitalize:function(b,c){return b.charAt(0).toUpperCase()+(c?b.slice(1):b.slice(1).toLowerCase())},escapeXml:function(b){return b.replace(/&/g,"\x26amp;").replace(/"/g,"\x26quot;").replace(/'/g,"\x26apos;").replace(/</g,"\x26lt;").replace(/>/g,"\x26gt;")},graphemeSplit:function(b){var d,a,e=[];d=0;for(a;d<b.length;d++)!1!==(a=c(b,d))&&e.push(a);return e}}})(); (function(){function c(){}function b(a){for(var e=null,b=this;b.constructor.superclass;){var c=b.constructor.superclass.prototype[a];if(b[a]!==c){e=c;break}b=b.constructor.superclass.prototype}return e?1<arguments.length?e.apply(this,d.call(arguments,1)):e.call(this):console.log("tried to callSuper "+a+", method not found in prototype chain",this)}var d=Array.prototype.slice,a=function(){},e=function(){for(var a in{toString:1})if("toString"===a)return!1;return!0}(),f=function(a,b,c){for(var d in b)d in a.prototype&&"function"===typeof a.prototype[d]&&-1<(b[d]+"").indexOf("callSuper")?a.prototype[d]=function(a){return function(){var e=this.constructor.superclass;this.constructor.superclass=c;var d=b[a].apply(this,arguments);this.constructor.superclass=e;if("initialize"!==a)return d}}(d):a.prototype[d]=b[d],e&&(b.toString!==Object.prototype.toString&&(a.prototype.toString=b.toString),b.valueOf!==Object.prototype.valueOf&&(a.prototype.valueOf=b.valueOf))};fabric.util.createClass=function(){function e(){this.initialize.apply(this, arguments)}var g=null,k=d.call(arguments,0);"function"===typeof k[0]&&(g=k.shift());e.superclass=g;e.subclasses=[];g&&(c.prototype=g.prototype,e.prototype=new c,g.subclasses.push(e));for(var n=0,t=k.length;n<t;n++)f(e,k[n],g);e.prototype.initialize||(e.prototype.initialize=a);e.prototype.constructor=e;e.prototype.callSuper=b;return e}})(); 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b+(/\?/.test(b)?"\x26":"?")+a}function b(){}fabric.util.request=function(d,a){a||(a={});var e=a.method?a.method.toUpperCase():"GET",f=a.onComplete||function(){},h=new fabric.window.XMLHttpRequest,g=a.body||a.parameters;h.onreadystatechange=function(){4===h.readyState&&(f(h),h.onreadystatechange=b)};"GET"===e&&(g=null,"string"===typeof a.parameters&&(d=c(d,a.parameters)));h.open(e,d,!0);"POST"!==e&&"PUT"!==e||h.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); h.send(g);return h}})();fabric.log=function(){};fabric.warn=function(){};"undefined"!==typeof console&&["log","warn"].forEach(function(c){"undefined"!==typeof console[c]&&"function"===typeof console[c].apply&&(fabric[c]=function(){return console[c].apply(console,arguments)})}); (function(){function c(){return!1}function b(){return d.apply(fabric.window,arguments)}var d=fabric.window.requestAnimationFrame||fabric.window.webkitRequestAnimationFrame||fabric.window.mozRequestAnimationFrame||fabric.window.oRequestAnimationFrame||fabric.window.msRequestAnimationFrame||function(a){return fabric.window.setTimeout(a,1E3/60)},a=fabric.window.cancelAnimationFrame||fabric.window.clearTimeout;fabric.util.animate=function(a){b(function(e){a||(a={});var d=e||+new Date,f=a.duration||500, k=d+f,n,t=a.onChange||c,x=a.abort||c,r=a.onComplete||c,v=a.easing||function(a,e,b,c){return-b*Math.cos(a/c*(Math.PI/2))+b+e},p="startValue"in a?a.startValue:0,B="endValue"in a?a.endValue:100,l=a.byValue||B-p;a.onStart&&a.onStart();(function C(e){if(x())r(B,1,1);else{n=e||+new Date;var c=n>k?f:n-d;e=c/f;c=v(c,p,l,f);t(c,Math.abs((c-p)/l),e);n>k?a.onComplete&&a.onComplete():b(C)}})(d)})};fabric.util.requestAnimFrame=b;fabric.util.cancelAnimFrame=function(){return a.apply(fabric.window,arguments)}})(); (function(){fabric.util.animateColor=function(c,b,d,a){c=(new fabric.Color(c)).getSource();b=(new fabric.Color(b)).getSource();a=a||{};fabric.util.animate(fabric.util.object.extend(a,{duration:d||500,startValue:c,endValue:b,byValue:b,easing:function(e,b,c,d){e=a.colorEasing?a.colorEasing(e,d):1-Math.cos(e/d*(Math.PI/2));d="rgba("+parseInt(b[0]+e*(c[0]-b[0]),10)+","+parseInt(b[1]+e*(c[1]-b[1]),10)+","+parseInt(b[2]+e*(c[2]-b[2]),10);d+=","+(b&&c?parseFloat(b[3]+e*(c[3]-b[3])):1);return d+")"}}))}})(); (function(){function c(a,b,c,d){a<Math.abs(b)?(a=b,d=c/4):d=0===b&&0===a?c/(2*Math.PI)*Math.asin(1):c/(2*Math.PI)*Math.asin(b/a);return{a:a,c:b,p:c,s:d}}function b(a,b,c){return a.a*Math.pow(2,10*--b)*Math.sin(2*(b*c-a.s)*Math.PI/a.p)}function d(e,b,c,d){return c-a(d-e,0,c,d)+b}function a(a,b,c,d){return(a/=d)<1/2.75?7.5625*c*a*a+b:a<2/2.75?c*(7.5625*(a-=1.5/2.75)*a+.75)+b:a<2.5/2.75?c*(7.5625*(a-=2.25/2.75)*a+.9375)+b:c*(7.5625*(a-=2.625/2.75)*a+.984375)+b}fabric.util.ease={easeInQuad:function(a, b,c,d){return c*(a/=d)*a+b},easeOutQuad:function(a,b,c,d){return-c*(a/=d)*(a-2)+b},easeInOutQuad:function(a,b,c,d){a/=d/2;return 1>a?c/2*a*a+b:-c/2*(--a*(a-2)-1)+b},easeInCubic:function(a,b,c,d){return c*(a/=d)*a*a+b},easeOutCubic:function(a,b,c,d){return c*((a=a/d-1)*a*a+1)+b},easeInOutCubic:function(a,b,c,d){a/=d/2;return 1>a?c/2*a*a*a+b:c/2*((a-=2)*a*a+2)+b},easeInQuart:function(a,b,c,d){return c*(a/=d)*a*a*a+b},easeOutQuart:function(a,b,c,d){return-c*((a=a/d-1)*a*a*a-1)+b},easeInOutQuart:function(a, b,c,d){a/=d/2;return 1>a?c/2*a*a*a*a+b:-c/2*((a-=2)*a*a*a-2)+b},easeInQuint:function(a,b,c,d){return c*(a/=d)*a*a*a*a+b},easeOutQuint:function(a,b,c,d){return c*((a=a/d-1)*a*a*a*a+1)+b},easeInOutQuint:function(a,b,c,d){a/=d/2;return 1>a?c/2*a*a*a*a*a+b:c/2*((a-=2)*a*a*a*a+2)+b},easeInSine:function(a,b,c,d){return-c*Math.cos(a/d*(Math.PI/2))+c+b},easeOutSine:function(a,b,c,d){return 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h={};l.filter(function(a){return"clipPath"===a.nodeName.replace("svg:","")}).forEach(function(a){var b=a.getAttribute("id");h[b]= r.util.toArray(a.getElementsByTagName("*")).filter(function(a){return r.svgValidTagNamesRegEx.test(a.nodeName.replace("svg:",""))})});r.gradientDefs[d]=r.getGradientDefs(a);r.cssRules[d]=r.getCSSRules(a);r.clipPaths[d]=h;r.parseElements(f,function(a,e){b&&(b(a,u,e,l),delete r.gradientDefs[d],delete r.cssRules[d],delete r.clipPaths[d])},p(u),e,c)}}};var z=new RegExp("(normal|italic)?\\s*(normal|small-caps)?\\s*(normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900)?\\s*("+r.reNum+"(?:px|cm|mm|em|pt|pc|in)*)(?:\\/(normal|"+ r.reNum+"))?\\s+(.*)");v(r,{parseFontDeclaration:function(a,b){var e=a.match(z);if(e){a=e[1];var c=e[3],d=e[4],f=e[5],e=e[6];a&&(b.fontStyle=a);c&&(b.fontWeight=isNaN(parseFloat(c))?c:parseFloat(c));d&&(b.fontSize=l(d));e&&(b.fontFamily=e);f&&(b.lineHeight="normal"===f?1:f)}},getGradientDefs:function(a){var b=e(a,["linearGradient","radialGradient","svg:linearGradient","svg:radialGradient"]),c,d,f={};for(d=b.length;d--;)c=b[d],c.getAttribute("xlink:href")&&x(a,c),f[c.getAttribute("id")]=c;return f}, parseAttributes:function(e,c,d){if(e){var f,g={},u;"undefined"===typeof d&&(d=e.getAttribute("svgUid"));e.parentNode&&r.svgValidParentsRegEx.test(e.parentNode.nodeName)&&(g=r.parseAttributes(e.parentNode,c,d));c=c.reduce(function(a,b){(f=e.getAttribute(b))&&(a[b]=f);return a},{});c=v(c,v(h(e,d),r.parseStyleAttribute(e)));d=u=g.fontSize||r.Text.DEFAULT_SVG_FONT_SIZE;c["font-size"]&&(c["font-size"]=d=l(c["font-size"],u));var p,k={},A;for(A in c)u=A in C?C[A]:A,p=b(u,c[A],g,d),k[u]=p;k&&k.font&&r.parseFontDeclaration(k.font, k);g=v(g,k);return r.svgValidParentsRegEx.test(e.nodeName)?g:a(g)}},parseElements:function(a,b,e,c,d){(new r.ElementsParser(a,b,e,c,d)).parse()},parseStyleAttribute:function(a){var b={};a=a.getAttribute("style");if(!a)return b;if("string"===typeof a)f(a,b);else{var e,c,d;for(d 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b(Math.min(this.x,c.x),Math.min(this.y,c.y))},max:function(c){return new b(Math.max(this.x,c.x),Math.max(this.y, c.y))},toString:function(){return this.x+","+this.y},setXY:function(b,a){this.x=b;this.y=a;return this},setX:function(b){this.x=b;return this},setY:function(b){this.y=b;return this},setFromPoint:function(b){this.x=b.x;this.y=b.y;return this},swap:function(b){var a=this.x,e=this.y;this.x=b.x;this.y=b.y;b.x=a;b.y=e},clone:function(){return new b(this.x,this.y)}})})("undefined"!==typeof exports?exports:this); (function(c){function b(a){this.status=a;this.points=[]}var d=c.fabric||(c.fabric={});d.Intersection?d.warn("fabric.Intersection is already defined"):(d.Intersection=b,d.Intersection.prototype={constructor:b,appendPoint:function(a){this.points.push(a);return this},appendPoints:function(a){this.points=this.points.concat(a);return this}},d.Intersection.intersectLineLine=function(a,e,c,h){var f,k=(h.x-c.x)*(a.y-c.y)-(h.y-c.y)*(a.x-c.x);f=(e.x-a.x)*(a.y-c.y)-(e.y-a.y)*(a.x-c.x);c=(h.y-c.y)*(e.x-a.x)- (h.x-c.x)*(e.y-a.y);0!==c?(k/=c,f/=c,0<=k&&1>=k&&0<=f&&1>=f?(f=new b("Intersection"),f.appendPoint(new d.Point(a.x+k*(e.x-a.x),a.y+k*(e.y-a.y)))):f=new b):f=0===k||0===f?new b("Coincident"):new b("Parallel");return f},d.Intersection.intersectLinePolygon=function(a,e,c){var d=new b,f=c.length,k,n,t;for(t=0;t<f;t++)k=c[t],n=c[(t+1)%f],k=b.intersectLineLine(a,e,k,n),d.appendPoints(k.points);0<d.points.length&&(d.status="Intersection");return d},d.Intersection.intersectPolygonPolygon=function(a,e){var c= new b,d=a.length,g;for(g=0;g<d;g++){var k=b.intersectLinePolygon(a[g],a[(g+1)%d],e);c.appendPoints(k.points)}0<c.points.length&&(c.status="Intersection");return c},d.Intersection.intersectPolygonRectangle=function(a,e,c){var f=e.min(c),g=e.max(c);c=new d.Point(g.x,f.y);var k=new d.Point(f.x,g.y);e=b.intersectLinePolygon(f,c,a);c=b.intersectLinePolygon(c,g,a);g=b.intersectLinePolygon(g,k,a);a=b.intersectLinePolygon(k,f,a);f=new b;f.appendPoints(e.points);f.appendPoints(c.points);f.appendPoints(g.points); f.appendPoints(a.points);0<f.points.length&&(f.status="Intersection");return f})})("undefined"!==typeof exports?exports:this); (function(c){function b(a){a?this._tryParsingColor(a):this.setSource([0,0,0,1])}function d(a,b,c){0>c&&(c+=1);1<c&&--c;return c<1/6?a+6*(b-a)*c:.5>c?b:c<2/3?a+(b-a)*(2/3-c)*6:a}var a=c.fabric||(c.fabric={});a.Color?a.warn("fabric.Color is already defined."):(a.Color=b,a.Color.prototype={_tryParsingColor:function(a){var e;a in b.colorNameMap&&(a=b.colorNameMap[a]);"transparent"===a&&(e=[255,255,255,0]);e||(e=b.sourceFromHex(a));e||(e=b.sourceFromRgb(a));e||(e=b.sourceFromHsl(a));e||(e=[0,0,0,1]);e&& this.setSource(e)},_rgbToHsl:function(b,c,d){b/=255;c/=255;d/=255;var e,f,h,t=a.util.array.max([b,c,d]);f=a.util.array.min([b,c,d]);h=(t+f)/2;if(t===f)e=f=0;else{var x=t-f;f=.5<h?x/(2-t-f):x/(t+f);switch(t){case b:e=(c-d)/x+(c<d?6:0);break;case c:e=(d-b)/x+2;break;case d:e=(b-c)/x+4}e/=6}return[Math.round(360*e),Math.round(100*f),Math.round(100*h)]},getSource:function(){return this._source},setSource:function(a){this._source=a},toRgb:function(){var a=this.getSource();return"rgb("+a[0]+","+a[1]+","+ a[2]+")"},toRgba:function(){var a=this.getSource();return"rgba("+a[0]+","+a[1]+","+a[2]+","+a[3]+")"},toHsl:function(){var a=this.getSource(),a=this._rgbToHsl(a[0],a[1],a[2]);return"hsl("+a[0]+","+a[1]+"%,"+a[2]+"%)"},toHsla:function(){var a=this.getSource(),b=this._rgbToHsl(a[0],a[1],a[2]);return"hsla("+b[0]+","+b[1]+"%,"+b[2]+"%,"+a[3]+")"},toHex:function(){var a=this.getSource(),b,c;b=a[0].toString(16);b=1===b.length?"0"+b:b;c=a[1].toString(16);c=1===c.length?"0"+c:c;a=a[2].toString(16);a=1=== a.length?"0"+a:a;return b.toUpperCase()+c.toUpperCase()+a.toUpperCase()},toHexa:function(){var a=this.getSource(),a=Math.round(255*a[3]),a=a.toString(16),a=1===a.length?"0"+a:a;return this.toHex()+a.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(a){var b=this.getSource();b[3]=a;this.setSource(b);return this},toGrayscale:function(){var a=this.getSource(),b=parseInt((.3*a[0]+.59*a[1]+.11*a[2]).toFixed(0),10);this.setSource([b,b,b,a[3]]);return this},toBlackWhite:function(a){var b= this.getSource(),e=(.3*b[0]+.59*b[1]+.11*b[2]).toFixed(0),b=b[3],e=Number(e)<Number(a||127)?0:255;this.setSource([e,e,e,b]);return this},overlayWith:function(a){a instanceof b||(a=new b(a));var e=[],c=this.getAlpha(),d=this.getSource();a=a.getSource();var k;for(k=0;3>k;k++)e.push(Math.round(.5*d[k]+.5*a[k]));e[3]=c;this.setSource(e);return this}},a.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/i,a.Color.reHSLa= /^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/i,a.Color.reHex=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i,a.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"},a.Color.fromRgb=function(a){return b.fromSource(b.sourceFromRgb(a))},a.Color.sourceFromRgb=function(a){if(a=a.match(b.reRGBa)){var e=parseInt(a[1],10)/(/%$/.test(a[1])?100:1)*(/%$/.test(a[1])?255:1),c=parseInt(a[2],10)/(/%$/.test(a[2])?100:1)*(/%$/.test(a[2])?255:1),d=parseInt(a[3],10)/(/%$/.test(a[3])?100:1)*(/%$/.test(a[3])?255:1);return[parseInt(e,10),parseInt(c,10),parseInt(d,10),a[4]?parseFloat(a[4]):1]}},a.Color.fromRgba=b.fromRgb, a.Color.fromHsl=function(a){return b.fromSource(b.sourceFromHsl(a))},a.Color.sourceFromHsl=function(a){if(a=a.match(b.reHSLa)){var e=(parseFloat(a[1])%360+360)%360/360,c=parseFloat(a[2])/(/%$/.test(a[2])?100:1),g=parseFloat(a[3])/(/%$/.test(a[3])?100:1);if(0===c)g=c=e=g;else var k=.5>=g?g*(c+1):g+c-g*c,n=2*g-k,g=d(n,k,e+1/3),c=d(n,k,e),e=d(n,k,e-1/3);return[Math.round(255*g),Math.round(255*c),Math.round(255*e),a[4]?parseFloat(a[4]):1]}},a.Color.fromHsla=b.fromHsl,a.Color.fromHex=function(a){return b.fromSource(b.sourceFromHex(a))}, a.Color.sourceFromHex=function(a){if(a.match(b.reHex)){var e=a.slice(a.indexOf("#")+1),c=3===e.length||4===e.length,d=8===e.length||4===e.length;a=c?e.charAt(0)+e.charAt(0):e.substring(0,2);var k=c?e.charAt(1)+e.charAt(1):e.substring(2,4),n=c?e.charAt(2)+e.charAt(2):e.substring(4,6),e=d?c?e.charAt(3)+e.charAt(3):e.substring(6,8):"FF";return[parseInt(a,16),parseInt(k,16),parseInt(n,16),parseFloat((parseInt(e,16)/255).toFixed(2))]}},a.Color.fromSource=function(a){var e=new b;e.setSource(a);return e})})("undefined"!== typeof exports?exports:this); (function(){function c(a){var b=a.getAttribute("style"),c=a.getAttribute("offset")||0,d,g,c=parseFloat(c)/(/%$/.test(c)?100:1),c=0>c?0:1<c?1:c;if(b){var k=b.split(/\s*;\s*/);""===k[k.length-1]&&k.pop();for(b=k.length;b--;){var n=k[b].split(/\s*:\s*/),t=n[0].trim(),n=n[1].trim();"stop-color"===t?d=n:"stop-opacity"===t&&(g=n)}}d||(d=a.getAttribute("stop-color")||"rgb(0,0,0)");g||(g=a.getAttribute("stop-opacity"));d=new fabric.Color(d);a=d.getAlpha();g=isNaN(parseFloat(g))?1:parseFloat(g);g*=a;return{offset:c, color:d.toRgb(),opacity:g}}function b(a,b,c){var e,d=0,f,n="",t;for(t in b){"Infinity"===b[t]?b[t]=1:"-Infinity"===b[t]&&(b[t]=0);e=parseFloat(b[t],10);f="string"===typeof b[t]&&/^(\d+\.\d+)%|(\d+)%$/.test(b[t])?.01:1;if("x1"===t||"x2"===t||"r2"===t)f*="objectBoundingBox"===c?a.width:1,d="objectBoundingBox"===c?a.left||0:0;else if("y1"===t||"y2"===t)f*="objectBoundingBox"===c?a.height:1,d="objectBoundingBox"===c?a.top||0:0;b[t]=e*f+d}"ellipse"===a.type&&null!==b.r2&&"objectBoundingBox"===c&&a.rx!== a.ry&&(a=a.ry/a.rx,n=" scale(1, "+a+")",b.y1&&(b.y1/=a),b.y2&&(b.y2/=a));return n}var d=fabric.util.object.clone;fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(a){a||(a={});var b;this.id=fabric.Object.__uid++;this.type=a.type||"linear";b={x1:a.coords.x1||0,y1:a.coords.y1||0,x2:a.coords.x2||0,y2:a.coords.y2||0};"radial"===this.type&&(b.r1=a.coords.r1||0,b.r2=a.coords.r2||0);this.coords=b;this.colorStops=a.colorStops.slice();a.gradientTransform&&(this.gradientTransform= a.gradientTransform);this.offsetX=a.offsetX||this.offsetX;this.offsetY=a.offsetY||this.offsetY},addColorStop:function(a){for(var b in a){var c=new fabric.Color(a[b]);this.colorStops.push({offset:parseFloat(b),color:c.toRgb(),opacity:c.getAlpha()})}return this},toObject:function(a){var b={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};fabric.util.populateWithProperties(this, b,a);return b},toSVG:function(a){var b=d(this.coords,!0),c,h,g,k=d(this.colorStops,!0);c=b.r1>b.r2;h=this.gradientTransform?this.gradientTransform.concat():fabric.iMatrix.concat();var n=a.width/2-this.offsetX,t=a.height/2-this.offsetY;k.sort(function(a,b){return a.offset-b.offset});"path"===a.type&&(n-=a.pathOffset.x,t-=a.pathOffset.y);h[4]-=n;h[5]-=t;a='id\x3d"SVGID_'+this.id+'" gradientUnits\x3d"userSpaceOnUse"';a+=' gradientTransform\x3d"matrix('+h.join(" ")+')" ';"linear"===this.type?g=["\x3clinearGradient ", a,' x1\x3d"',b.x1,'" y1\x3d"',b.y1,'" x2\x3d"',b.x2,'" y2\x3d"',b.y2,'"\x3e\n']:"radial"===this.type&&(g=["\x3cradialGradient ",a,' cx\x3d"',c?b.x1:b.x2,'" cy\x3d"',c?b.y1:b.y2,'" r\x3d"',c?b.r1:b.r2,'" fx\x3d"',c?b.x2:b.x1,'" fy\x3d"',c?b.y2:b.y1,'"\x3e\n']);if("radial"===this.type){if(c)for(k=k.concat(),k.reverse(),c=0,h=k.length;c<h;c++)k[c].offset=1-k[c].offset;c=Math.min(b.r1,b.r2);if(0<c)for(b=c/Math.max(b.r1,b.r2),c=0,h=k.length;c<h;c++)k[c].offset+=b*(1-k[c].offset)}c=0;for(h=k.length;c<h;c++)b= k[c],g.push("\x3cstop ",'offset\x3d"',100*b.offset+"%",'" style\x3d"stop-color:',b.color,"undefined"!==typeof b.opacity?";stop-opacity: "+b.opacity:";",'"/\x3e\n');g.push("linear"===this.type?"\x3c/linearGradient\x3e\n":"\x3c/radialGradient\x3e\n");return g.join("")},toLive:function(a){var b,c=fabric.util.object.clone(this.coords);if(this.type){"linear"===this.type?b=a.createLinearGradient(c.x1,c.y1,c.x2,c.y2):"radial"===this.type&&(b=a.createRadialGradient(c.x1,c.y1,c.r1,c.x2,c.y2,c.r2));a=0;for(c= this.colorStops.length;a<c;a++){var d=this.colorStops[a].color,g=this.colorStops[a].opacity,k=this.colorStops[a].offset;"undefined"!==typeof g&&(d=(new fabric.Color(d)).setAlpha(g).toRgba());b.addColorStop(k,d)}return b}}});fabric.util.object.extend(fabric.Gradient,{fromElement:function(a,e){var d=a.getElementsByTagName("stop"),h,g=a.getAttribute("gradientUnits")||"objectBoundingBox",k=a.getAttribute("gradientTransform"),n=[],t;h="linearGradient"===a.nodeName||"LINEARGRADIENT"===a.nodeName?"linear": "radial";"linear"===h?t={x1:a.getAttribute("x1")||0,y1:a.getAttribute("y1")||0,x2:a.getAttribute("x2")||"100%",y2:a.getAttribute("y2")||0}:"radial"===h&&(t={x1:a.getAttribute("fx")||a.getAttribute("cx")||"50%",y1:a.getAttribute("fy")||a.getAttribute("cy")||"50%",r1:0,x2:a.getAttribute("cx")||"50%",y2:a.getAttribute("cy")||"50%",r2:a.getAttribute("r")||"50%"});for(a=d.length;a--;)n.push(c(d[a]));d=b(e,t,g);e=new fabric.Gradient({type:h,coords:t,colorStops:n,offsetX:-e.left,offsetY:-e.top});if(k||""!== d)e.gradientTransform=fabric.parseTransformAttribute((k||"")+d);return e},forObject:function(a,c){c||(c={});b(a,c.coords,"userSpaceOnUse");return new fabric.Gradient(c)}})})(); (function(){var c=fabric.util.toFixed;fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,crossOrigin:"",patternTransform:null,initialize:function(b,c){b||(b={});this.id=fabric.Object.__uid++;this.setOptions(b);if(!b.source||b.source&&"string"!==typeof b.source)c&&c(this);else if("undefined"!==typeof fabric.util.getFunctionBody(b.source))this.source=new Function(fabric.util.getFunctionBody(b.source)),c&&c(this);else{var a=this;this.source=fabric.util.createImage();fabric.util.loadImage(b.source, function(b){a.source=b;c&&c(a)},null,this.crossOrigin)}},toObject:function(b){var d=fabric.Object.NUM_FRACTION_DIGITS,a;"function"===typeof this.source?a=String(this.source):"string"===typeof this.source.src?a=this.source.src:"object"===typeof this.source&&this.source.toDataURL&&(a=this.source.toDataURL());d={type:"pattern",source:a,repeat:this.repeat,crossOrigin:this.crossOrigin,offsetX:c(this.offsetX,d),offsetY:c(this.offsetY,d),patternTransform:this.patternTransform?this.patternTransform.concat(): null};fabric.util.populateWithProperties(this,d,b);return d},toSVG:function(b){var c="function"===typeof this.source?this.source():this.source,a=c.width/b.width,e=c.height/b.height,f=this.offsetX/b.width;b=this.offsetY/b.height;var h="";if("repeat-x"===this.repeat||"no-repeat"===this.repeat)e=1,b&&(e+=Math.abs(b));if("repeat-y"===this.repeat||"no-repeat"===this.repeat)a=1,f&&(a+=Math.abs(f));c.src?h=c.src:c.toDataURL&&(h=c.toDataURL());return'\x3cpattern id\x3d"SVGID_'+this.id+'" x\x3d"'+f+'" y\x3d"'+ b+'" width\x3d"'+a+'" height\x3d"'+e+'"\x3e\n\x3cimage x\x3d"0" y\x3d"0" width\x3d"'+c.width+'" height\x3d"'+c.height+'" xlink:href\x3d"'+h+'"\x3e\x3c/image\x3e\n\x3c/pattern\x3e\n'},setOptions:function(b){for(var c in b)this[c]=b[c]},toLive:function(b){var c="function"===typeof this.source?this.source():this.source;return c&&("undefined"===typeof c.src||c.complete&&0!==c.naturalWidth&&0!==c.naturalHeight)?b.createPattern(c,this.repeat):""}})})(); (function(c){var b=c.fabric||(c.fabric={}),d=b.util.toFixed;b.Shadow?b.warn("fabric.Shadow is already defined."):(b.Shadow=b.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(a){"string"===typeof a&&(a=this._parseShadow(a));for(var c in a)this[c]=a[c];this.id=b.Object.__uid++},_parseShadow:function(a){a=a.trim();var c=b.Shadow.reOffsetsAndBlur.exec(a)||[];return{color:(a.replace(b.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)").trim(), offsetX:parseInt(c[1],10)||0,offsetY:parseInt(c[2],10)||0,blur:parseInt(c[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(a){var c=40,f=40,h=b.Object.NUM_FRACTION_DIGITS,g=b.util.rotateVector({x:this.offsetX,y:this.offsetY},b.util.degreesToRadians(-a.angle)),k=new b.Color(this.color);a.width&&a.height&&(c=100*d((Math.abs(g.x)+this.blur)/a.width,h)+20,f=100*d((Math.abs(g.y)+this.blur)/a.height,h)+20);a.flipX&&(g.x*=-1);a.flipY&&(g.y*= -1);return'\x3cfilter id\x3d"SVGID_'+this.id+'" y\x3d"-'+f+'%" height\x3d"'+(100+2*f)+'%" x\x3d"-'+c+'%" width\x3d"'+(100+2*c)+'%" \x3e\n\t\x3cfeGaussianBlur in\x3d"SourceAlpha" stdDeviation\x3d"'+d(this.blur?this.blur/2:0,h)+'"\x3e\x3c/feGaussianBlur\x3e\n\t\x3cfeOffset dx\x3d"'+d(g.x,h)+'" dy\x3d"'+d(g.y,h)+'" result\x3d"oBlur" \x3e\x3c/feOffset\x3e\n\t\x3cfeFlood flood-color\x3d"'+k.toRgb()+'" flood-opacity\x3d"'+k.getAlpha()+'"/\x3e\n\t\x3cfeComposite in2\x3d"oBlur" operator\x3d"in" /\x3e\n\t\x3cfeMerge\x3e\n\t\t\x3cfeMergeNode\x3e\x3c/feMergeNode\x3e\n\t\t\x3cfeMergeNode in\x3d"SourceGraphic"\x3e\x3c/feMergeNode\x3e\n\t\x3c/feMerge\x3e\n\x3c/filter\x3e\n'}, toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke};var a={},c=b.Shadow.prototype;["color","blur","offsetX","offsetY","affectStroke"].forEach(function(b){this[b]!==c[b]&&(a[b]=this[b])},this);return a}}),b.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/)})("undefined"!==typeof exports?exports:this); (function(){if(fabric.StaticCanvas)fabric.warn("fabric.StaticCanvas is already defined.");else{var c=fabric.util.object.extend,b=fabric.util.getElementOffset,d=fabric.util.removeFromArray,a=fabric.util.toFixed,e=fabric.util.transformPoint,f=fabric.util.invertTransform,h=fabric.util.getNodeCanvas,g=fabric.util.createCanvasElement,k=Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(a,b){b||(b={});this.renderAndResetBound= this.renderAndReset.bind(this);this.requestRenderAllBound=this.requestRenderAll.bind(this);this._initStatic(a,b)},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,clipPath:void 0, _initStatic:function(a,b){var c=this.requestRenderAllBound;this._objects=[];this._createLowerCanvas(a);this._initOptions(b);this._setImageSmoothing();this.interactive||this._initRetinaScaling();b.overlayImage&&this.setOverlayImage(b.overlayImage,c);b.backgroundImage&&this.setBackgroundImage(b.backgroundImage,c);b.backgroundColor&&this.setBackgroundColor(b.backgroundColor,c);b.overlayColor&&this.setOverlayColor(b.overlayColor,c);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(){this._offset=b(this.lowerCanvasEl);return this},setOverlayImage:function(a,b,c){return this.__setBgOverlayImage("overlayImage", a,b,c)},setBackgroundImage:function(a,b,c){return this.__setBgOverlayImage("backgroundImage",a,b,c)},setOverlayColor:function(a,b){return this.__setBgOverlayColor("overlayColor",a,b)},setBackgroundColor:function(a,b){return this.__setBgOverlayColor("backgroundColor",a,b)},_setImageSmoothing:function(){var a=this.getContext();a.imageSmoothingEnabled=a.imageSmoothingEnabled||a.webkitImageSmoothingEnabled||a.mozImageSmoothingEnabled||a.msImageSmoothingEnabled||a.oImageSmoothingEnabled;a.imageSmoothingEnabled= this.imageSmoothingEnabled},__setBgOverlayImage:function(a,b,c,e){"string"===typeof b?fabric.util.loadImage(b,function(b){if(b){var d=new fabric.Image(b,e);this[a]=d;d.canvas=this}c&&c(b)},this,e&&e.crossOrigin):(e&&b.setOptions(e),(this[a]=b)&&(b.canvas=this),c&&c(b));return this},__setBgOverlayColor:function(a,b,c){this[a]=b;this._initGradient(b,a);this._initPattern(b,a,c);return this},_createCanvasElement:function(){var a=g();if(!a)throw k;a.style||(a.style={});if("undefined"===typeof a.getContext)throw k; return a},_initOptions:function(a){var b=this.lowerCanvasEl;this._setOptions(a);this.width=this.width||parseInt(b.width,10)||0;this.height=this.height||parseInt(b.height,10)||0;this.lowerCanvasEl.style&&(b.width=this.width,b.height=this.height,b.style.width=this.width+"px",b.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(a){this.lowerCanvasEl=a&&a.getContext?a:fabric.util.getById(a)||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(a,b){return this.setDimensions({width:a},b)},setHeight:function(a,b){return this.setDimensions({height:a},b)},setDimensions:function(a,b){var c;b=b||{};for(var e in a)c=a[e],b.cssOnly||(this._setBackstoreDimension(e,a[e]),c+="px",this.hasLostContext=!0),b.backstoreOnly|| this._setCssDimension(e,c);this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles();this._initRetinaScaling();this._setImageSmoothing();this.calcOffset();b.cssOnly||this.requestRenderAll();return this},_setBackstoreDimension:function(a,b){this.lowerCanvasEl[a]=b;this.upperCanvasEl&&(this.upperCanvasEl[a]=b);this.cacheCanvasEl&&(this.cacheCanvasEl[a]=b);this[a]=b;return this},_setCssDimension:function(a,b){this.lowerCanvasEl.style[a]=b;this.upperCanvasEl&&(this.upperCanvasEl.style[a]= b);this.wrapperEl&&(this.wrapperEl.style[a]=b);return this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(a){var b=this._activeObject,c,e;this.viewportTransform=a;c=0;for(e=this._objects.length;c<e;c++)a=this._objects[c],a.group||a.setCoords(!1,!0);b&&"activeSelection"===b.type&&b.setCoords(!1,!0);this.calcViewportBoundaries();this.renderOnAddRemove&&this.requestRenderAll();return this},zoomToPoint:function(a,b){var c=a,d=this.viewportTransform.slice(0);a=e(a, f(this.viewportTransform));d[0]=b;d[3]=b;a=e(a,d);d[4]+=c.x-a.x;d[5]+=c.y-a.y;return this.setViewportTransform(d)},setZoom:function(a){this.zoomToPoint(new fabric.Point(0,0),a);return this},absolutePan:function(a){var b=this.viewportTransform.slice(0);b[4]=-a.x;b[5]=-a.y;return this.setViewportTransform(b)},relativePan:function(a){return this.absolutePan(new fabric.Point(-a.x-this.viewportTransform[4],-a.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},_onObjectAdded:function(a){this.stateful&& a.setupState();a._set("canvas",this);a.setCoords();this.fire("object:added",{target:a});a.fire("added")},_onObjectRemoved:function(a){this.fire("object:removed",{target:a});a.fire("removed");delete a.canvas},clearContext:function(a){a.clearRect(0,0,this.width,this.height);return this},getContext:function(){return this.contextContainer},clear:function(){this._objects.length=0;this.overlayImage=this.backgroundImage=null;this.overlayColor=this.backgroundColor="";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();return this},renderAll:function(){this.renderCanvas(this.contextContainer,this._objects);return this},renderAndReset:function(){this.isRendering=0;this.renderAll()},requestRenderAll:function(){this.isRendering||(this.isRendering=fabric.util.requestAnimFrame(this.renderAndResetBound));return this},calcViewportBoundaries:function(){var a= {},b=this.width,c=this.height,d=f(this.viewportTransform);a.tl=e({x:0,y:0},d);a.br=e({x:b,y:c},d);a.tr=new fabric.Point(a.br.x,a.tl.y);a.bl=new fabric.Point(a.tl.x,a.br.y);return this.vptCoords=a},cancelRequestedRender:function(){this.isRendering&&(fabric.util.cancelAnimFrame(this.isRendering),this.isRendering=0)},renderCanvas:function(a,b){var c=this.viewportTransform,e=this.clipPath;this.cancelRequestedRender();this.calcViewportBoundaries();this.clearContext(a);this.fire("before:render",{ctx:a}); this.clipTo&&fabric.util.clipContext(this,a);this._renderBackground(a);a.save();a.transform(c[0],c[1],c[2],c[3],c[4],c[5]);this._renderObjects(a,b);a.restore();!this.controlsAboveOverlay&&this.interactive&&this.drawControls(a);this.clipTo&&a.restore();e&&(e.canvas=this,e.shouldCache(),e._transformDone=!0,e.renderCache({forClipping:!0}),this.drawClipPathOnCanvas(a));this._renderOverlay(a);this.controlsAboveOverlay&&this.interactive&&this.drawControls(a);this.fire("after:render",{ctx:a})},drawClipPathOnCanvas:function(a){var b= this.viewportTransform,c=this.clipPath;a.save();a.transform(b[0],b[1],b[2],b[3],b[4],b[5]);a.globalCompositeOperation="destination-in";c.transform(a);a.scale(1/c.zoomX,1/c.zoomY);a.drawImage(c._cacheCanvas,-c.cacheTranslationX,-c.cacheTranslationY);a.restore()},_renderObjects:function(a,b){var c,e;c=0;for(e=b.length;c<e;++c)b[c]&&b[c].render(a)},_renderBackgroundOrOverlay:function(a,b){var c=this[b+"Color"],e;c&&(a.fillStyle=c.toLive?c.toLive(a,this):c,a.fillRect(c.offsetX||0,c.offsetY||0,this.width, this.height));if(c=this[b+"Image"])this[b+"Vpt"]&&(e=this.viewportTransform,a.save(),a.transform(e[0],e[1],e[2],e[3],e[4],e[5])),c.render(a),this[b+"Vpt"]&&a.restore()},_renderBackground:function(a){this._renderBackgroundOrOverlay(a,"background")},_renderOverlay:function(a){this._renderBackgroundOrOverlay(a,"overlay")},getCenter:function(){return{top:this.height/2,left:this.width/2}},centerObjectH:function(a){return this._centerObject(a,new fabric.Point(this.getCenter().left,a.getCenterPoint().y))}, centerObjectV:function(a){return this._centerObject(a,new fabric.Point(a.getCenterPoint().x,this.getCenter().top))},centerObject:function(a){var b=this.getCenter();return this._centerObject(a,new fabric.Point(b.left,b.top))},viewportCenterObject:function(a){var b=this.getVpCenter();return this._centerObject(a,b)},viewportCenterObjectH:function(a){var b=this.getVpCenter();this._centerObject(a,new fabric.Point(b.x,a.getCenterPoint().y));return this},viewportCenterObjectV:function(a){var b=this.getVpCenter(); return this._centerObject(a,new fabric.Point(a.getCenterPoint().x,b.y))},getVpCenter:function(){var a=this.getCenter(),b=f(this.viewportTransform);return e({x:a.left,y:a.top},b)},_centerObject:function(a,b){a.setPositionByOrigin(b,"center","center");a.setCoords();this.renderOnAddRemove&&this.requestRenderAll();return this},toDatalessJSON:function(a){return this.toDatalessObject(a)},toObject:function(a){return this._toObjectMethod("toObject",a)},toDatalessObject:function(a){return this._toObjectMethod("toDatalessObject", a)},_toObjectMethod:function(a,b){var e=this.clipPath,d={version:fabric.version,objects:this._toObjects(a,b)};e&&(d.clipPath=this._toObjectMethod(e,a,b));c(d,this.__serializeBgOverlay(a,b));fabric.util.populateWithProperties(this,d,b);return d},_toObjects:function(a,b){return this._objects.filter(function(a){return!a.excludeFromExport}).map(function(c){return this._toObject(c,a,b)},this)},_toObject:function(a,b,c){var e;this.includeDefaultValues||(e=a.includeDefaultValues,a.includeDefaultValues=!1); b=a[b](c);this.includeDefaultValues||(a.includeDefaultValues=e);return b},__serializeBgOverlay:function(a,b){var c={},e=this.backgroundImage,d=this.overlayImage;this.backgroundColor&&(c.background=this.backgroundColor.toObject?this.backgroundColor.toObject(b):this.backgroundColor);this.overlayColor&&(c.overlay=this.overlayColor.toObject?this.overlayColor.toObject(b):this.overlayColor);e&&!e.excludeFromExport&&(c.backgroundImage=this._toObject(e,a,b));d&&!d.excludeFromExport&&(c.overlayImage=this._toObject(d, a,b));return c},svgViewportTransformation:!0,toSVG:function(a,b){a||(a={});a.reviver=b;var c=[];this._setSVGPreamble(c,a);this._setSVGHeader(c,a);this.clipPath&&c.push('\x3cg clip-path\x3d"url(#'+this.clipPath.clipPathId+')" \x3e\n');this._setSVGBgOverlayColor(c,"backgroundColor");this._setSVGBgOverlayImage(c,"backgroundImage",b);this._setSVGObjects(c,b);this.clipPath&&c.push("\x3c/g\x3e\n");this._setSVGBgOverlayColor(c,"overlayColor");this._setSVGBgOverlayImage(c,"overlayImage",b);c.push("\x3c/svg\x3e"); return c.join("")},_setSVGPreamble:function(a,b){b.suppressPreamble||a.push('\x3c?xml version\x3d"1.0" encoding\x3d"',b.encoding||"UTF-8",'" standalone\x3d"no" ?\x3e\n','\x3c!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"\x3e\n')},_setSVGHeader:function(b,c){var e=c.width||this.width,d=c.height||this.height,g;g='viewBox\x3d"0 0 '+this.width+" "+this.height+'" ';var f=fabric.Object.NUM_FRACTION_DIGITS;c.viewBox?g='viewBox\x3d"'+c.viewBox.x+" "+c.viewBox.y+ " "+c.viewBox.width+" "+c.viewBox.height+'" ':this.svgViewportTransformation&&(g=this.viewportTransform,g='viewBox\x3d"'+a(-g[4]/g[0],f)+" "+a(-g[5]/g[3],f)+" "+a(this.width/g[0],f)+" "+a(this.height/g[3],f)+'" ');b.push("\x3csvg ",'xmlns\x3d"http://www.w3.org/2000/svg" ','xmlns:xlink\x3d"http://www.w3.org/1999/xlink" ','version\x3d"1.1" ','width\x3d"',e,'" ','height\x3d"',d,'" ',g,'xml:space\x3d"preserve"\x3e\n',"\x3cdesc\x3eCreated with Fabric.js ",fabric.version,"\x3c/desc\x3e\n","\x3cdefs\x3e\n", this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),this.createSVGClipPathMarkup(c),"\x3c/defs\x3e\n")},createSVGClipPathMarkup:function(a){var b=this.clipPath;return b?(b.clipPathId="CLIPPATH_"+fabric.Object.__uid++,'\x3cclipPath id\x3d"'+b.clipPathId+'" \x3e\n'+this.clipPath.toClipPathSVG(a.reviver)+"\x3c/clipPath\x3e\n"):""},createSVGRefElementsMarkup:function(){var a=this;return["backgroundColor","overlayColor"].map(function(b){if((b=a[b])&&b.toLive)return b.toSVG(a,!1)}).join("")}, createSVGFontFacesMarkup:function(){var a="",b={},c,e,d,g,f,l,k,h=fabric.fontPaths,m=this._objects;l=0;for(k=m.length;l<k;l++)if(c=m[l],e=c.fontFamily,-1!==c.type.indexOf("text")&&!b[e]&&h[e]&&(b[e]=!0,c.styles))for(g in c=c.styles,c)for(f in d=c[g],d)e=d[f],e=e.fontFamily,!b[e]&&h[e]&&(b[e]=!0);for(var y in b)a+=["\t\t@font-face {\n\t\t\tfont-family: '",y,"';\n\t\t\tsrc: url('",h[y],"');\n\t\t}\n"].join("");a&&(a=['\t\x3cstyle type\x3d"text/css"\x3e\x3c![CDATA[\n',a,"]]\x3e\x3c/style\x3e\n"].join("")); return a},_setSVGObjects:function(a,b){var c,e,d,g=this._objects;e=0;for(d=g.length;e<d;e++)c=g[e],c.excludeFromExport||this._setSVGObject(a,c,b)},_setSVGObject:function(a,b,c){a.push(b.toSVG(c))},_setSVGBgOverlayImage:function(a,b,c){this[b]&&!this[b].excludeFromExport&&this[b].toSVG&&a.push(this[b].toSVG(c))},_setSVGBgOverlayColor:function(a,b){var c=this[b],e=this.viewportTransform,d=this.width/e[0],e=this.height/e[3];c&&(c.toLive?(b=c.repeat,a.push('\x3crect transform\x3d"translate(',d/2,",", e/2,')"',' x\x3d"',c.offsetX-d/2,'" y\x3d"',c.offsetY-e/2,'" ','width\x3d"',"repeat-y"===b||"no-repeat"===b?c.source.width:d,'" height\x3d"',"repeat-x"===b||"no-repeat"===b?c.source.height:e,'" fill\x3d"url(#SVGID_'+c.id+')"',"\x3e\x3c/rect\x3e\n")):a.push('\x3crect x\x3d"0" y\x3d"0" width\x3d"100%" height\x3d"100%" ','fill\x3d"',this[b],'"',"\x3e\x3c/rect\x3e\n"))},sendToBack:function(a){if(!a)return this;var b=this._activeObject,c;if(a===b&&"activeSelection"===a.type)for(c=b._objects,a=c.length;a--;)b= c[a],d(this._objects,b),this._objects.unshift(b);else d(this._objects,a),this._objects.unshift(a);this.renderOnAddRemove&&this.requestRenderAll();return this},bringToFront:function(a){if(!a)return this;var b=this._activeObject,c;if(a===b&&"activeSelection"===a.type)for(c=b._objects,a=0;a<c.length;a++)b=c[a],d(this._objects,b),this._objects.push(b);else d(this._objects,a),this._objects.push(a);this.renderOnAddRemove&&this.requestRenderAll();return this},sendBackwards:function(a,b){if(!a)return this; var c=this._activeObject,e,g=0;if(a===c&&"activeSelection"===a.type)for(e=c._objects,a=0;a<e.length;a++)b=e[a],c=this._objects.indexOf(b),c>0+g&&(--c,d(this._objects,b),this._objects.splice(c,0,b)),g++;else c=this._objects.indexOf(a),0!==c&&(c=this._findNewLowerIndex(a,c,b),d(this._objects,a),this._objects.splice(c,0,a));this.renderOnAddRemove&&this.requestRenderAll();return this},_findNewLowerIndex:function(a,b,c){if(c)for(c=b,--b;0<=b;--b){if(a.intersectsWithObject(this._objects[b])||a.isContainedWithinObject(this._objects[b])|| this._objects[b].isContainedWithinObject(a)){c=b;break}}else c=b-1;return c},bringForward:function(a,b){if(!a)return this;var c=this._activeObject,e,g=0;if(a===c&&"activeSelection"===a.type)for(e=c._objects,a=e.length;a--;)b=e[a],c=this._objects.indexOf(b),c<this._objects.length-1-g&&(c+=1,d(this._objects,b),this._objects.splice(c,0,b)),g++;else c=this._objects.indexOf(a),c!==this._objects.length-1&&(c=this._findNewUpperIndex(a,c,b),d(this._objects,a),this._objects.splice(c,0,a));this.renderOnAddRemove&& this.requestRenderAll();return this},_findNewUpperIndex:function(a,b,c){var e;if(c)for(c=b,b+=1,e=this._objects.length;b<e;++b){if(a.intersectsWithObject(this._objects[b])||a.isContainedWithinObject(this._objects[b])||this._objects[b].isContainedWithinObject(a)){c=b;break}}else c=b+1;return c},moveTo:function(a,b){d(this._objects,a);this._objects.splice(b,0,a);return this.renderOnAddRemove&&this.requestRenderAll()},dispose:function(){this.isRendering&&(fabric.util.cancelAnimFrame(this.isRendering), this.isRendering=0);this.forEachObject(function(a){a.dispose&&a.dispose()});this._objects=[];this.backgroundImage&&this.backgroundImage.dispose&&this.backgroundImage.dispose();this.backgroundImage=null;this.overlayImage&&this.overlayImage.dispose&&this.overlayImage.dispose();this.contextContainer=this._iTextInstances=this.overlayImage=null;fabric.util.cleanUpJsdomNode(this.lowerCanvasEl);this.lowerCanvasEl=void 0;return this},toString:function(){return"#\x3cfabric.Canvas ("+this.complexity()+"): { objects: "+ this._objects.length+" }\x3e"}});c(fabric.StaticCanvas.prototype,fabric.Observable);c(fabric.StaticCanvas.prototype,fabric.Collection);c(fabric.StaticCanvas.prototype,fabric.DataURLExporter);c(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(a){var b=g();if(!b||!b.getContext)return null;b=b.getContext("2d");if(!b)return null;switch(a){case "setLineDash":return"undefined"!==typeof b.setLineDash;default:return null}}});fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject; fabric.isLikelyNode&&(fabric.StaticCanvas.prototype.createPNGStream=function(){var a=h(this.lowerCanvasEl);return a&&a.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(a){var b=h(this.lowerCanvasEl);return b&&b.createJPEGStream(a)})}})(); fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,setShadow:function(c){this.shadow=new fabric.Shadow(c);return this},_setBrushStyles:function(){var c=this.canvas.contextTop;c.strokeStyle=this.color;c.lineWidth=this.width;c.lineCap=this.strokeLineCap;c.miterLimit=this.strokeMiterLimit;c.lineJoin=this.strokeLineJoin;fabric.StaticCanvas.supports("setLineDash")&&c.setLineDash(this.strokeDashArray|| [])},_saveAndTransform:function(c){var b=this.canvas.viewportTransform;c.save();c.transform(b[0],b[1],b[2],b[3],b[4],b[5])},_setShadow:function(){if(this.shadow){var c=this.canvas.contextTop,b=this.canvas.getZoom();c.shadowColor=this.shadow.color;c.shadowBlur=this.shadow.blur*b;c.shadowOffsetX=this.shadow.offsetX*b;c.shadowOffsetY=this.shadow.offsetY*b}},_resetShadow:function(){var c=this.canvas.contextTop;c.shadowColor="";c.shadowBlur=c.shadowOffsetX=c.shadowOffsetY=0}}); (function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(c){this.canvas=c;this._points=[]},_drawSegment:function(c,b,d){d=b.midPointFrom(d);c.quadraticCurveTo(b.x,b.y,d.x,d.y);return d},onMouseDown:function(c){this._prepareForDrawing(c);this._captureDrawingPath(c);this._render()},onMouseMove:function(c){if(this._captureDrawingPath(c)&&1<this._points.length)if(this.needsFullRender)this.canvas.clearContext(this.canvas.contextTop),this._render();else{c=this._points; var b=c.length,d=this.canvas.contextTop;this._saveAndTransform(d);this.oldEnd&&(d.beginPath(),d.moveTo(this.oldEnd.x,this.oldEnd.y));this.oldEnd=this._drawSegment(d,c[b-2],c[b-1],!0);d.stroke();d.restore()}},onMouseUp:function(){this.oldEnd=void 0;this._finalizeAndAddPath()},_prepareForDrawing:function(c){c=new fabric.Point(c.x,c.y);this._reset();this._addPoint(c);this.canvas.contextTop.moveTo(c.x,c.y)},_addPoint:function(c){if(1<this._points.length&&c.eq(this._points[this._points.length-1]))return!1; this._points.push(c);return!0},_reset:function(){this._points.length=0;this._setBrushStyles();this.needsFullRender=1>(new fabric.Color(this.color)).getAlpha();this._setShadow()},_captureDrawingPath:function(c){c=new fabric.Point(c.x,c.y);return this._addPoint(c)},_render:function(){var c=this.canvas.contextTop,b,d,a=this._points[0],e=this._points[1];this._saveAndTransform(c);c.beginPath();2===this._points.length&&a.x===e.x&&a.y===e.y&&(b=this.width/1E3,a=new fabric.Point(a.x,a.y),e=new fabric.Point(e.x, e.y),a.x-=b,e.x+=b);c.moveTo(a.x,a.y);b=1;for(d=this._points.length;b<d;b++)this._drawSegment(c,a,e),a=this._points[b],e=this._points[b+1];c.lineTo(a.x,a.y);c.stroke();c.restore()},convertPointsToSVGPath:function(c){var b=[],d,a=this.width/1E3,e=new fabric.Point(c[0].x,c[0].y),f=new fabric.Point(c[1].x,c[1].y),h=c.length,g=1,k=1,n=2<h;n&&(g=c[2].x<f.x?-1:c[2].x===f.x?0:1,k=c[2].y<f.y?-1:c[2].y===f.y?0:1);b.push("M ",e.x-g*a," ",e.y-k*a," ");for(d=1;d<h;d++){if(!e.eq(f)){var t=e.midPointFrom(f);b.push("Q ", e.x," ",e.y," ",t.x," ",t.y," ")}e=c[d];d+1<c.length&&(f=c[d+1])}n&&(g=e.x>c[d-2].x?1:e.x===c[d-2].x?0:-1,k=e.y>c[d-2].y?1:e.y===c[d-2].y?0:-1);b.push("L ",e.x+g*a," ",e.y+k*a);return b},createPath:function(c){c=new fabric.Path(c,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeMiterLimit:this.strokeMiterLimit,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray});var b=new fabric.Point(c.left+c.width/2,c.top+c.height/2),b=c.translateToGivenOrigin(b, "center","center",c.originX,c.originY);c.top=b.y;c.left=b.x;this.shadow&&(this.shadow.affectStroke=!0,c.setShadow(this.shadow));return c},_finalizeAndAddPath:function(){this.canvas.contextTop.closePath();var c=this.convertPointsToSVGPath(this._points).join("");"M 0 0 Q 0 0 0 0 L 0 0"===c?this.canvas.requestRenderAll():(c=this.createPath(c),this.canvas.clearContext(this.canvas.contextTop),this.canvas.add(c),this.canvas.renderAll(),c.setCoords(),this._resetShadow(),this.canvas.fire("path:created",{path:c}))}})})(); fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(c){this.canvas=c;this.points=[]},drawDot:function(c){c=this.addPoint(c);var b=this.canvas.contextTop;this._saveAndTransform(b);b.fillStyle=c.fill;b.beginPath();b.arc(c.x,c.y,c.radius,0,2*Math.PI,!1);b.closePath();b.fill();b.restore()},onMouseDown:function(c){this.points.length=0;this.canvas.clearContext(this.canvas.contextTop);this._setShadow();this.drawDot(c)},_render:function(){var c=this.canvas.contextTop, b,d,a=this.points,e;this._saveAndTransform(c);b=0;for(d=a.length;b<d;b++)e=a[b],c.fillStyle=e.fill,c.beginPath(),c.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),c.closePath(),c.fill();c.restore()},onMouseMove:function(c){this.drawDot(c)},onMouseUp:function(){var c=this.canvas.renderOnAddRemove,b,d;this.canvas.renderOnAddRemove=!1;var a=[];b=0;for(d=this.points.length;b<d;b++){var e=this.points[b],e=new fabric.Circle({radius:e.radius,left:e.x,top:e.y,originX:"center",originY:"center",fill:e.fill});this.shadow&& e.setShadow(this.shadow);a.push(e)}b=new fabric.Group(a);b.canvas=this.canvas;this.canvas.add(b);this.canvas.fire("path:created",{path:b});this.canvas.clearContext(this.canvas.contextTop);this._resetShadow();this.canvas.renderOnAddRemove=c;this.canvas.requestRenderAll()},addPoint:function(c){c=new fabric.Point(c.x,c.y);var b=fabric.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,d=(new fabric.Color(this.color)).setAlpha(fabric.util.getRandomInt(0,100)/100).toRgba();c.radius=b;c.fill= d;this.points.push(c);return c}}); fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(c){this.canvas=c;this.sprayChunks=[]},onMouseDown:function(c){this.sprayChunks.length=0;this.canvas.clearContext(this.canvas.contextTop);this._setShadow();this.addSprayChunk(c);this.render(this.sprayChunkPoints)},onMouseMove:function(c){this.addSprayChunk(c);this.render(this.sprayChunkPoints)},onMouseUp:function(){var c=this.canvas.renderOnAddRemove; this.canvas.renderOnAddRemove=!1;for(var b=[],d=0,a=this.sprayChunks.length;d<a;d++)for(var e=this.sprayChunks[d],f=0,h=e.length;f<h;f++){var g=new fabric.Rect({width:e[f].width,height:e[f].width,left:e[f].x+1,top:e[f].y+1,originX:"center",originY:"center",fill:this.color});b.push(g)}this.optimizeOverlapping&&(b=this._getOptimizedRects(b));b=new fabric.Group(b);this.shadow&&b.setShadow(this.shadow);this.canvas.add(b);this.canvas.fire("path:created",{path:b});this.canvas.clearContext(this.canvas.contextTop); this._resetShadow();this.canvas.renderOnAddRemove=c;this.canvas.requestRenderAll()},_getOptimizedRects:function(c){var b={},d,a,e;a=0;for(e=c.length;a<e;a++)d=c[a].left+""+c[a].top,b[d]||(b[d]=c[a]);c=[];for(d in b)c.push(b[d]);return c},render:function(c){var b=this.canvas.contextTop,d,a;b.fillStyle=this.color;this._saveAndTransform(b);d=0;for(a=c.length;d<a;d++){var e=c[d];"undefined"!==typeof e.opacity&&(b.globalAlpha=e.opacity);b.fillRect(e.x,e.y,e.width,e.width)}b.restore()},_render:function(){var c= this.canvas.contextTop,b,d;c.fillStyle=this.color;this._saveAndTransform(c);b=0;for(d=this.sprayChunks.length;b<d;b++)this.render(this.sprayChunks[b]);c.restore()},addSprayChunk:function(c){this.sprayChunkPoints=[];var b,d,a,e=this.width/2,f;for(f=0;f<this.density;f++)b=fabric.util.getRandomInt(c.x-e,c.x+e),d=fabric.util.getRandomInt(c.y-e,c.y+e),a=this.dotWidthVariance?fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth,b=new fabric.Point(b, d),b.width=a,this.randomOpacity&&(b.opacity=fabric.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(b);this.sprayChunks.push(this.sprayChunkPoints)}}); fabric.PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var c=fabric.util.createCanvasElement(),b=c.getContext("2d");c.width=c.height=25;b.fillStyle=this.color;b.beginPath();b.arc(10,10,10,0,2*Math.PI,!1);b.closePath();b.fill();return c},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(c){c=this.callSuper("createPath",c);var b=c._getLeftTopCoords().scalarAdd(c.strokeWidth/2);c.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-b.x,offsetY:-b.y});return c}}); (function(){var c=fabric.util.getPointer,b=fabric.util.degreesToRadians,d=fabric.util.radiansToDegrees,a=Math.atan2,e=Math.abs,f=fabric.StaticCanvas.supports("setLineDash");fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(a,b){b||(b={});this.renderAndResetBound=this.renderAndReset.bind(this);this.requestRenderAllBound=this.requestRenderAll.bind(this);this._initStatic(a,b);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,selectionFullyContained:!1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",rotationCursor:"crosshair",notAllowedCursor:"not-allowed",containerClass:"canvas-container",perPixelTargetFind:!1, targetFindTolerance:0,skipTargetFind:!1,isDrawingMode:!1,preserveObjectStacking:!1,snapAngle:0,snapThreshold:null,stopContextMenu:!1,fireRightClick:!1,fireMiddleClick:!1,_initInteractive:function(){this._groupSelector=this._currentTransform=null;this._initWrapperElement();this._createUpperCanvas();this._initEventListeners();this._initRetinaScaling();this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this);this.calcOffset()},_chooseObjectsToRender:function(){var a=this.getActiveObjects(), b,c,e;if(0<a.length&&!this.preserveObjectStacking){c=[];e=[];for(var d=0,f=this._objects.length;d<f;d++)b=this._objects[d],-1===a.indexOf(b)?c.push(b):e.push(b);1<a.length&&(this._activeObject._objects=e);c.push.apply(c,e)}else c=this._objects;return c},renderAll:function(){!this.contextTopDirty||this._groupSelector||this.isDrawingMode||(this.clearContext(this.contextTop),this.contextTopDirty=!1);this.hasLostContext&&this.renderTopLayer(this.contextTop);this.renderCanvas(this.contextContainer,this._chooseObjectsToRender()); return this},renderTopLayer:function(a){a.save();this.isDrawingMode&&this._isCurrentlyDrawing&&(this.freeDrawingBrush&&this.freeDrawingBrush._render(),this.contextTopDirty=!0);this.selection&&this._groupSelector&&(this._drawSelection(a),this.contextTopDirty=!0);a.restore()},renderTop:function(){var a=this.contextTop;this.clearContext(a);this.renderTopLayer(a);this.fire("after:render");return this},_resetCurrentTransform:function(){var a=this._currentTransform;a.target.set({scaleX:a.original.scaleX, scaleY:a.original.scaleY,skewX:a.original.skewX,skewY:a.original.skewY,left:a.original.left,top:a.original.top});this._shouldCenterTransform(a.target)?("center"!==a.originX&&(a.mouseXSign="right"===a.originX?-1:1),"center"!==a.originY&&(a.mouseYSign="bottom"===a.originY?-1:1),a.originX="center",a.originY="center"):(a.originX=a.original.originX,a.originY=a.original.originY)},containsPoint:function(a,b,c){a=c||this.getPointer(a,!0);c=b.group&&b.group===this._activeObject&&"activeSelection"===b.group.type? this._normalizePointer(b.group,a):{x:a.x,y:a.y};return b.containsPoint(c)||b._findTargetCorner(a)},_normalizePointer:function(a,b){a=a.calcTransformMatrix();a=fabric.util.invertTransform(a);b=this.restorePointerVpt(b);return fabric.util.transformPoint(b,a)},isTargetTransparent:function(a,b,c){if(a.shouldCache()&&a._cacheCanvas&&a!==this._activeObject)return b=this._normalizePointer(a,{x:b,y:c}),a=fabric.util.isTransparent(a._cacheContext,Math.round(Math.max(a.cacheTranslationX+b.x*a.zoomX,0)),Math.round(Math.max(a.cacheTranslationY+ b.y*a.zoomY,0)),this.targetFindTolerance);var e=this.contextCache,d=a.selectionBackgroundColor,f=this.viewportTransform;a.selectionBackgroundColor="";this.clearContext(e);e.save();e.transform(f[0],f[1],f[2],f[3],f[4],f[5]);a.render(e);e.restore();a===this._activeObject&&a._renderControls(e,{hasBorders:!1,transparentCorners:!1},{hasBorders:!1});a.selectionBackgroundColor=d;return a=fabric.util.isTransparent(e,b,c,this.targetFindTolerance)},_isSelectionKeyPressed:function(a){var b=!1;return b="[object Array]"=== Object.prototype.toString.call(this.selectionKey)?!!this.selectionKey.find(function(b){return!0===a[b]}):a[this.selectionKey]},_shouldClearSelection:function(a,b){var c=this.getActiveObjects(),e=this._activeObject;return!b||b&&e&&1<c.length&&-1===c.indexOf(b)&&e!==b&&!this._isSelectionKeyPressed(a)||b&&!b.evented||b&&!b.selectable&&e&&e!==b},_shouldCenterTransform:function(a){if(a){var b=this._currentTransform,c;"scale"===b.action||"scaleX"===b.action||"scaleY"===b.action?c=this.centeredScaling|| a.centeredScaling:"rotate"===b.action&&(c=this.centeredRotation||a.centeredRotation);return c?!b.altKey:b.altKey}},_getOriginFromCorner:function(a,b){a={x:a.originX,y:a.originY};if("ml"===b||"tl"===b||"bl"===b)a.x="right";else if("mr"===b||"tr"===b||"br"===b)a.x="left";if("tl"===b||"mt"===b||"tr"===b)a.y="bottom";else if("bl"===b||"mb"===b||"br"===b)a.y="top";return a},_getActionFromCorner:function(a,b,c){if(!b||!a)return"drag";switch(b){case "mtr":return"rotate";case "ml":case "mr":return c[this.altActionKey]? "skewY":"scaleX";case "mt":case "mb":return c[this.altActionKey]?"skewX":"scaleY";default:return"scale"}},_setupCurrentTransform:function(a,c,e){if(c){var d=this.getPointer(a),f=c._findTargetCorner(this.getPointer(a,!0));e=this._getActionFromCorner(e,f,a,c);var g=this._getOriginFromCorner(c,f);this._currentTransform={target:c,action:e,corner:f,scaleX:c.scaleX,scaleY:c.scaleY,skewX:c.skewX,skewY:c.skewY,offsetX:d.x-c.left,offsetY:d.y-c.top,originX:g.x,originY:g.y,ex:d.x,ey:d.y,lastX:d.x,lastY:d.y, theta:b(c.angle),width:c.width*c.scaleX,mouseXSign:1,mouseYSign:1,shiftKey:a.shiftKey,altKey:a[this.centeredKey],original:fabric.util.saveObjectTransform(c)};this._currentTransform.original.originX=g.x;this._currentTransform.original.originY=g.y;this._resetCurrentTransform();this._beforeTransform(a)}},_translateObject:function(a,b){var c=this._currentTransform,e=c.target;a-=c.offsetX;b-=c.offsetY;var c=!e.get("lockMovementX")&&e.left!==a,d=!e.get("lockMovementY")&&e.top!==b;c&&e.set("left",a);d&& e.set("top",b);return c||d},_changeSkewTransformOrigin:function(a,b,c){var e="originX",d={0:"center"},f=b.target.skewX,g="left",p="right",h="mt"===b.corner||"ml"===b.corner?1:-1,l=1;a=0<a?1:-1;"y"===c&&(f=b.target.skewY,g="top",p="bottom",e="originY");d[-1]=g;d[1]=p;b.target.flipX&&(l*=-1);b.target.flipY&&(l*=-1);0===f?(b.skewSign=-h*a*l,b[e]=d[-a]):(f=0<f?1:-1,b.skewSign=f,b[e]=d[f*h*l])},_skewObject:function(a,b,c){var e=this._currentTransform,d=e.target,f=d.get("lockSkewingX"),g=d.get("lockSkewingY"); if(f&&"x"===c||g&&"y"===c)return!1;var g=d.getCenterPoint(),p=d.toLocalPoint(new fabric.Point(a,b),"center","center")[c],h=d.toLocalPoint(new fabric.Point(e.lastX,e.lastY),"center","center")[c],f=d._getTransformedDimensions();this._changeSkewTransformOrigin(p-h,e,c);p=d.toLocalPoint(new fabric.Point(a,b),e.originX,e.originY)[c];g=d.translateToOriginPoint(g,e.originX,e.originY);c=this._setObjectSkew(p,e,c,f);e.lastX=a;e.lastY=b;d.setPositionByOrigin(g,e.originX,e.originY);return c},_setObjectSkew:function(a, b,c,e){var d=b.target,f=b.skewSign,g,p,h,l;"x"===c?(b="y",h="Y",g="X",p=0,l=d.skewY):(b="x",h="X",g="Y",p=d.skewX,l=0);p=d._getTransformedDimensions(p,l);a=2*Math.abs(a)-p[c];2>=a?c=0:(c=f*Math.atan(a/d["scale"+g]/(p[b]/d["scale"+h])),c=fabric.util.radiansToDegrees(c));a=d["skew"+g]!==c;d.set("skew"+g,c);0!==d["skew"+h]&&(g=d._getTransformedDimensions(),c=e[b]/g[b]*d["scale"+h],d.set("scale"+h,c));return a},_scaleObject:function(a,b,c){var e=this._currentTransform,d=e.target,f=d.lockScalingX,g=d.lockScalingY, p=d.lockScalingFlip;if(f&&g)return!1;var h=d.translateToOriginPoint(d.getCenterPoint(),e.originX,e.originY);a=d.toLocalPoint(new fabric.Point(a,b),e.originX,e.originY);b=d._getTransformedDimensions();this._setLocalMouse(a,e);c=this._setObjectScale(a,e,f,g,c,p,b);d.setPositionByOrigin(h,e.originX,e.originY);return c},_setObjectScale:function(a,b,c,e,d,f,h){var g=b.target,k=!1,l=!1,v=!1,n=a.x*g.scaleX/h.x,m=a.y*g.scaleY/h.y,t=g.scaleX!==n,z=g.scaleY!==m;f&&0>=n&&n<g.scaleX&&(k=!0,a.x=0);f&&0>=m&&m< g.scaleY&&(l=!0,a.y=0);"equally"!==d||c||e?d?"x"!==d||g.get("lockUniScaling")?"y"!==d||g.get("lockUniScaling")||l||e||g.set("scaleY",m)&&(v=z):k||c||g.set("scaleX",n)&&(v=t):(k||c||g.set("scaleX",n)&&(v=v||t),l||e||g.set("scaleY",m)&&(v=v||z)):v=this._scaleObjectEqually(a,g,b,h);b.newScaleX=n;b.newScaleY=m;k||l||this._flipObject(b,d);return v},_scaleObjectEqually:function(a,b,c,e){var d=a.y+a.x;e=e.y*c.original.scaleY/b.scaleY+e.x*c.original.scaleX/b.scaleX;var f=0>a.y?-1:1;a=(0>a.x?-1:1)*Math.abs(c.original.scaleX* d/e);d=f*Math.abs(c.original.scaleY*d/e);c=a!==b.scaleX||d!==b.scaleY;b.set("scaleX",a);b.set("scaleY",d);return c},_flipObject:function(a,b){0>a.newScaleX&&"y"!==b&&("left"===a.originX?a.originX="right":"right"===a.originX&&(a.originX="left"));0>a.newScaleY&&"x"!==b&&("top"===a.originY?a.originY="bottom":"bottom"===a.originY&&(a.originY="top"))},_setLocalMouse:function(a,b){var c=b.target,d=this.getZoom(),c=c.padding/d;"right"===b.originX?a.x*=-1:"center"===b.originX&&(a.x=2*a.x*b.mouseXSign,0>a.x&& (b.mouseXSign=-b.mouseXSign));"bottom"===b.originY?a.y*=-1:"center"===b.originY&&(a.y=2*a.y*b.mouseYSign,0>a.y&&(b.mouseYSign=-b.mouseYSign));e(a.x)>c?a.x=0>a.x?a.x+c:a.x-c:a.x=0;e(a.y)>c?a.y=0>a.y?a.y+c:a.y-c:a.y=0},_rotateObject:function(b,c){var e=this._currentTransform,f=e.target,g;g=f.translateToOriginPoint(f.getCenterPoint(),e.originX,e.originY);if(f.lockRotation)return!1;var h=a(e.ey-g.y,e.ex-g.x);b=a(c-g.y,b-g.x);h=d(b-h+e.theta);b=!0;if(0<f.snapAngle){var v=f.snapAngle;c=f.snapThreshold|| v;var p=Math.ceil(h/v)*v,v=Math.floor(h/v)*v;Math.abs(h-v)<c?h=v:Math.abs(h-p)<c&&(h=p)}0>h&&(h=360+h);h%=360;f.angle===h?b=!1:(f.angle=h,f.setPositionByOrigin(g,e.originX,e.originY));return b},setCursor:function(a){this.upperCanvasEl.style.cursor=a},_drawSelection:function(a){var b=this._groupSelector,c=b.left,d=b.top,g=e(c),h=e(d);this.selectionColor&&(a.fillStyle=this.selectionColor,a.fillRect(b.ex-(0<c?0:-c),b.ey-(0<d?0:-d),g,h));this.selectionLineWidth&&this.selectionBorderColor&&(a.lineWidth= this.selectionLineWidth,a.strokeStyle=this.selectionBorderColor,1<this.selectionDashArray.length&&!f?(c=b.ex+.5-(0<c?0:g),b=b.ey+.5-(0<d?0:h),a.beginPath(),fabric.util.drawDashedLine(a,c,b,c+g,b,this.selectionDashArray),fabric.util.drawDashedLine(a,c,b+h-1,c+g,b+h-1,this.selectionDashArray),fabric.util.drawDashedLine(a,c,b,c,b+h,this.selectionDashArray),fabric.util.drawDashedLine(a,c+g-1,b,c+g-1,b+h,this.selectionDashArray),a.closePath(),a.stroke()):(fabric.Object.prototype._setLineDash.call(this, a,this.selectionDashArray),a.strokeRect(b.ex+.5-(0<c?0:g),b.ey+.5-(0<d?0:h),g,h)))},findTarget:function(a,b){if(!this.skipTargetFind){var c=this.getPointer(a,!0),e=this._activeObject,d=this.getActiveObjects(),f,g;this.targets=[];if(1<d.length&&!b&&e===this._searchPossibleTargets([e],c)||1===d.length&&e._findTargetCorner(c))return e;if(1===d.length&&e===this._searchPossibleTargets([e],c))if(this.preserveObjectStacking)f=e,g=this.targets,this.targets=[];else return e;b=this._searchPossibleTargets(this._objects, c);a[this.altSelectionKey]&&b&&f&&b!==f&&(b=f,this.targets=g);return b}},_checkTarget:function(a,b,c){if(b&&b.visible&&b.evented&&this.containsPoint(null,b,a)&&(!this.perPixelTargetFind&&!b.perPixelTargetFind||b.isEditing||!this.isTargetTransparent(b,c.x,c.y)))return!0},_searchPossibleTargets:function(a,b){for(var c,e=a.length;e--;){var d=a[e],f=d.group&&"activeSelection"!==d.group.type?this._normalizePointer(d.group,b):b;if(this._checkTarget(f,d,b)){c=a[e];c.subTargetCheck&&c instanceof fabric.Group&& (a=this._searchPossibleTargets(c._objects,b))&&this.targets.push(a);break}}return c},restorePointerVpt:function(a){return fabric.util.transformPoint(a,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(a,b){var e;if(this._absolutePointer&&!b)return this._absolutePointer;if(this._pointer&&b)return this._pointer;a=c(a);e=this.upperCanvasEl;var d=e.getBoundingClientRect(),f=d.width||0,g=d.height||0;f&&g||("top"in d&&"bottom"in d&&(g=Math.abs(d.top-d.bottom)),"right"in d&&"left"in d&&(f=Math.abs(d.right-d.left)));this.calcOffset();a.x-=this._offset.left;a.y-=this._offset.top;b||(a=this.restorePointerVpt(a));0===f||0===g?e=b=1:(b=e.width/f,e=e.height/g);return{x:a.x*b,y:a.y*e}},_createUpperCanvas:function(){var a=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl?this.upperCanvasEl.className="":this.upperCanvasEl=this._createCanvasElement();fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+a);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(a){var b=this.width||a.width,c=this.height||a.height;fabric.util.setStyle(a,{position:"absolute",width:b+"px",height:c+"px",left:0,top:0,"touch-action":this.allowTouchScrolling?"manipulation":"none"});a.width=b;a.height=c;fabric.util.makeElementUnselectable(a)},_copyCanvasStyle:function(a,b){b.style.cssText=a.style.cssText}, getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},getActiveObject:function(){return this._activeObject},getActiveObjects:function(){var a=this._activeObject;return a?"activeSelection"===a.type&&a._objects?a._objects.slice(0):[a]:[]},_onObjectRemoved:function(a){a===this._activeObject&&(this.fire("before:selection:cleared",{target:a}),this._discardActiveObject(),this.fire("selection:cleared",{target:a}),a.fire("deselected"));this._hoveredTarget=== a&&(this._hoveredTarget=null);this.callSuper("_onObjectRemoved",a)},_fireSelectionEvents:function(a,b){var c=!1,e=this.getActiveObjects(),d=[],f=[],g={e:b};a.forEach(function(a){-1===e.indexOf(a)&&(c=!0,a.fire("deselected",g),f.push(a))});e.forEach(function(b){-1===a.indexOf(b)&&(c=!0,b.fire("selected",g),d.push(b))});0<a.length&&0<e.length?(g.selected=d,g.deselected=f,g.updated=d[0]||f[0],g.target=this._activeObject,c&&this.fire("selection:updated",g)):0<e.length?(1===e.length&&(g.target=d[0],this.fire("object:selected", g)),g.selected=d,g.target=this._activeObject,this.fire("selection:created",g)):0<a.length&&(g.deselected=f,this.fire("selection:cleared",g))},setActiveObject:function(a,b){var c=this.getActiveObjects();this._setActiveObject(a,b);this._fireSelectionEvents(c,b);return this},_setActiveObject:function(a,b){if(this._activeObject===a||!this._discardActiveObject(b,a)||a.onSelect({e:b}))return!1;this._activeObject=a;return!0},_discardActiveObject:function(a,b){var c=this._activeObject;if(c){if(c.onDeselect({e:a, object:b}))return!1;this._activeObject=null}return!0},discardActiveObject:function(a){var b=this.getActiveObjects();b.length&&this.fire("before:selection:cleared",{target:b[0],e:a});this._discardActiveObject(a);this._fireSelectionEvents(b,a);return this},dispose:function(){var a=this.wrapperEl;this.removeListeners();a.removeChild(this.upperCanvasEl);a.removeChild(this.lowerCanvasEl);this.contextTop=this.contextCache=null;["upperCanvasEl","cacheCanvasEl"].forEach(function(a){fabric.util.cleanUpJsdomNode(this[a]); this[a]=void 0}.bind(this));a.parentNode&&a.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl);delete this.wrapperEl;fabric.StaticCanvas.prototype.dispose.call(this);return this},clear:function(){this.discardActiveObject();this.clearContext(this.contextTop);return this.callSuper("clear")},drawControls:function(a){var b=this._activeObject;b&&b._renderControls(a)},_toObject:function(a,b,c){var e=this._realizeGroupTransformOnObject(a);b=this.callSuper("_toObject",a,b,c);this._unwindGroupTransformOnObject(a, e);return b},_realizeGroupTransformOnObject:function(a){if(a.group&&"activeSelection"===a.group.type&&this._activeObject===a.group){var b={};"angle flipX flipY left scaleX scaleY skewX skewY top".split(" ").forEach(function(c){b[c]=a[c]});this._activeObject.realizeTransform(a);return b}return null},_unwindGroupTransformOnObject:function(a,b){b&&a.set(b)},_setSVGObject:function(a,b,c){var e=this._realizeGroupTransformOnObject(b);this.callSuper("_setSVGObject",a,b,c);this._unwindGroupTransformOnObject(b, e)},setViewportTransform:function(a){this.renderOnAddRemove&&this._activeObject&&this._activeObject.isEditing&&this._activeObject.clearContextTop();fabric.StaticCanvas.prototype.setViewportTransform.call(this,a)}});for(var h in fabric.StaticCanvas)"prototype"!==h&&(fabric.Canvas[h]=fabric.StaticCanvas[h]);fabric.isTouchSupported&&(fabric.Canvas.prototype._setCursorFromEvent=function(){})})(); (function(){function c(a,b){return"which"in a?a.which===b:a.button===b-1}var b={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},d=fabric.util.addListener,a=fabric.util.removeListener,e={passive:!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".split(" "),_initEventListeners:function(){this.removeListeners();this._bindEvents();this.addOrRemove(d,"add")},addOrRemove:function(a,b){a(fabric.window,"resize",this._onResize); a(this.upperCanvasEl,"mousedown",this._onMouseDown);a(this.upperCanvasEl,"mousemove",this._onMouseMove,e);a(this.upperCanvasEl,"mouseout",this._onMouseOut);a(this.upperCanvasEl,"mouseenter",this._onMouseEnter);a(this.upperCanvasEl,"wheel",this._onMouseWheel);a(this.upperCanvasEl,"contextmenu",this._onContextMenu);a(this.upperCanvasEl,"dblclick",this._onDoubleClick);a(this.upperCanvasEl,"touchstart",this._onMouseDown,e);a(this.upperCanvasEl,"touchmove",this._onMouseMove,e);a(this.upperCanvasEl,"dragover", this._onDragOver);a(this.upperCanvasEl,"dragenter",this._onDragEnter);a(this.upperCanvasEl,"dragleave",this._onDragLeave);a(this.upperCanvasEl,"drop",this._onDrop);"undefined"!==typeof eventjs&&b in eventjs&&(eventjs[b](this.upperCanvasEl,"gesture",this._onGesture),eventjs[b](this.upperCanvasEl,"drag",this._onDrag),eventjs[b](this.upperCanvasEl,"orientation",this._onOrientationChange),eventjs[b](this.upperCanvasEl,"shake",this._onShake),eventjs[b](this.upperCanvasEl,"longpress",this._onLongPress))}, removeListeners:function(){this.addOrRemove(a,"remove");a(fabric.document,"mouseup",this._onMouseUp);a(fabric.document,"touchend",this._onMouseUp,e);a(fabric.document,"mousemove",this._onMouseMove,e);a(fabric.document,"touchmove",this._onMouseMove,e)},_bindEvents:function(){this.eventsBound||(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._onDragOver=this._onDragOver.bind(this),this._onDragEnter=this._simpleEventHandler.bind(this, "dragenter"),this._onDragLeave=this._simpleEventHandler.bind(this,"dragleave"),this._onDrop=this._simpleEventHandler.bind(this,"drop"),this.eventsBound=!0)},_onGesture:function(a,b){this.__onTransformGesture&&this.__onTransformGesture(a,b)},_onDrag:function(a,b){this.__onDrag&&this.__onDrag(a,b)},_onMouseWheel:function(a){this.__onMouseWheel(a)},_onMouseOut:function(a){var b=this._hoveredTarget;this.fire("mouse:out",{target:b,e:a});this._hoveredTarget=null;b&&b.fire("mouseout",{e:a});this._iTextInstances&& this._iTextInstances.forEach(function(a){a.isEditing&&a.hiddenTextarea.focus()})},_onMouseEnter:function(a){this.findTarget(a)||(this.fire("mouse:over",{target:null,e:a}),this._hoveredTarget=null)},_onOrientationChange:function(a,b){this.__onOrientationChange&&this.__onOrientationChange(a,b)},_onShake:function(a,b){this.__onShake&&this.__onShake(a,b)},_onLongPress:function(a,b){this.__onLongPress&&this.__onLongPress(a,b)},_onDragOver:function(a){a.preventDefault();var b=this._simpleEventHandler("dragover", a);this._fireEnterLeaveEvents(b,a)},_onContextMenu:function(a){this.stopContextMenu&&(a.stopPropagation(),a.preventDefault());return!1},_onDoubleClick:function(a){this._cacheTransformEventData(a);this._handleEvent(a,"dblclick");this._resetTransformEventData(a)},_onMouseDown:function(b){this.__onMouseDown(b);this._resetTransformEventData();d(fabric.document,"touchend",this._onMouseUp,e);d(fabric.document,"touchmove",this._onMouseMove,e);a(this.upperCanvasEl,"mousemove",this._onMouseMove,e);a(this.upperCanvasEl, "touchmove",this._onMouseMove,e);"touchstart"===b.type?a(this.upperCanvasEl,"mousedown",this._onMouseDown):(d(fabric.document,"mouseup",this._onMouseUp),d(fabric.document,"mousemove",this._onMouseMove,e))},_onMouseUp:function(b){this.__onMouseUp(b);this._resetTransformEventData();a(fabric.document,"mouseup",this._onMouseUp);a(fabric.document,"touchend",this._onMouseUp,e);a(fabric.document,"mousemove",this._onMouseMove,e);a(fabric.document,"touchmove",this._onMouseMove,e);d(this.upperCanvasEl,"mousemove", this._onMouseMove,e);d(this.upperCanvasEl,"touchmove",this._onMouseMove,e);if("touchend"===b.type){var c=this;setTimeout(function(){d(c.upperCanvasEl,"mousedown",c._onMouseDown)},400)}},_onMouseMove:function(a){!this.allowTouchScrolling&&a.preventDefault&&a.preventDefault();this.__onMouseMove(a)},_onResize:function(){this.calcOffset()},_shouldRender:function(a){var b=this._activeObject;return!!b!==!!a||b&&a&&b!==a?!0:!1},__onMouseUp:function(a){var b,e=this._currentTransform;b=this._groupSelector; var d=!1,f=!b||0===b.left&&0===b.top;this._cacheTransformEventData(a);b=this._target;this._handleEvent(a,"up:before");c(a,3)?this.fireRightClick&&this._handleEvent(a,"up",3,f):c(a,2)?(this.fireMiddleClick&&this._handleEvent(a,"up",2,f),this._resetTransformEventData()):this.isDrawingMode&&this._isCurrentlyDrawing?this._onMouseUpInDrawingMode(a):(e&&(this._finalizeCurrentTransform(a),d=e.actionPerformed),f||(this._maybeGroupObjects(a),d||(d=this._shouldRender(b))),b&&(b.isMoving=!1),this._setCursorFromEvent(a, b),this._handleEvent(a,"up",1,f),this._currentTransform=this._groupSelector=null,b&&(b.__corner=0),d?this.requestRenderAll():f||this.renderTop())},_simpleEventHandler:function(a,b){var c=this.findTarget(b),e=this.targets;b={e:b,target:c,subTargets:e};this.fire(a,b);c&&c.fire(a,b);if(!e)return c;for(var d=0;d<e.length;d++)e[d].fire(a,b);return c},_handleEvent:function(a,b,c,e){var d=this._target,f=this.targets||[];a={e:a,target:d,subTargets:f,button:c||1,isClick:e||!1,pointer:this._pointer,absolutePointer:this._absolutePointer, transform:this._currentTransform};this.fire("mouse:"+b,a);d&&d.fire("mouse"+b,a);for(d=0;d<f.length;d++)f[d].fire("mouse"+b,a)},_finalizeCurrentTransform:function(a){var b=this._currentTransform,c=b.target;a={e:a,target:c,transform:b};c._scaling&&(c._scaling=!1);c.setCoords();if(b.actionPerformed||this.stateful&&c.hasStateChanged())b.actionPerformed&&(b=this._addEventOptions(a,b),this._fire(b,a)),this._fire("modified",a)},_addEventOptions:function(a,b){var c,e;switch(b.action){case "scaleX":c="scaled"; e="x";break;case "scaleY":c="scaled";e="y";break;case "skewX":c="skewed";e="x";break;case "skewY":c="skewed";e="y";break;case "scale":c="scaled";e="equally";break;case "rotate":c="rotated";break;case "drag":c="moved"}a.by=e;return c},_onMouseDownInDrawingMode:function(a){this._isCurrentlyDrawing=!0;this.getActiveObject()&&this.discardActiveObject(a).requestRenderAll();this.clipTo&&fabric.util.clipContext(this,this.contextTop);var b=this.getPointer(a);this.freeDrawingBrush.onMouseDown(b);this._handleEvent(a, "down")},_onMouseMoveInDrawingMode:function(a){if(this._isCurrentlyDrawing){var b=this.getPointer(a);this.freeDrawingBrush.onMouseMove(b)}this.setCursor(this.freeDrawingCursor);this._handleEvent(a,"move")},_onMouseUpInDrawingMode:function(a){this._isCurrentlyDrawing=!1;this.clipTo&&this.contextTop.restore();this.freeDrawingBrush.onMouseUp();this._handleEvent(a,"up")},__onMouseDown:function(a){this._cacheTransformEventData(a);this._handleEvent(a,"down:before");var b=this._target;if(c(a,3))this.fireRightClick&& this._handleEvent(a,"down",3);else if(c(a,2))this.fireMiddleClick&&this._handleEvent(a,"down",2);else if(this.isDrawingMode)this._onMouseDownInDrawingMode(a);else if(!this._currentTransform){var e=this._pointer;this._previousPointer=e;var d=this._shouldRender(b),f=this._shouldGroup(a,b);this._shouldClearSelection(a,b)?this.discardActiveObject(a):f&&(this._handleGrouping(a,b),b=this._activeObject);!this.selection||b&&(b.selectable||b.isEditing||b===this._activeObject)||(this._groupSelector={ex:e.x, ey:e.y,top:0,left:0});b&&(e=b===this._activeObject,b.selectable&&this.setActiveObject(b,a),b!==this._activeObject||!b.__corner&&f||this._setupCurrentTransform(a,b,e));this._handleEvent(a,"down");(d||f)&&this.requestRenderAll()}},_resetTransformEventData:function(){this._absolutePointer=this._pointer=this._target=null},_cacheTransformEventData:function(a){this._resetTransformEventData();this._pointer=this.getPointer(a,!0);this._absolutePointer=this.restorePointerVpt(this._pointer);this._target=this._currentTransform? this._currentTransform.target:this.findTarget(a)||null},_beforeTransform:function(a){var b=this._currentTransform;this.stateful&&b.target.saveState();this.fire("before:transform",{e:a,transform:b});if(b.corner)this.onBeforeScaleRotate(b.target)},__onMouseMove:function(a){this._handleEvent(a,"move:before");this._cacheTransformEventData(a);var b;if(this.isDrawingMode)this._onMouseMoveInDrawingMode(a);else if(!("undefined"!==typeof a.touches&&1<a.touches.length)){var c=this._groupSelector;c?(b=this._pointer, c.left=b.x-c.ex,c.top=b.y-c.ey,this.renderTop()):this._currentTransform?this._transformObject(a):(b=this.findTarget(a)||null,this._setCursorFromEvent(a,b),this._fireOverOutEvents(b,a));this._handleEvent(a,"move");this._resetTransformEventData()}},_fireOverOutEvents:function(a,b){this.fireSynteticInOutEvents(a,b,{targetName:"_hoveredTarget",canvasEvtOut:"mouse:out",evtOut:"mouseout",canvasEvtIn:"mouse:over",evtIn:"mouseover"})},_fireEnterLeaveEvents:function(a,b){this.fireSynteticInOutEvents(a,b,{targetName:"_draggedoverTarget", evtOut:"dragleave",evtIn:"dragenter"})},fireSynteticInOutEvents:function(a,b,c){var e,d,f=this[c.targetName],g=f!==a,h=c.canvasEvtIn,v=c.canvasEvtOut;g&&(e={e:b,target:a,previousTarget:f},d={e:b,target:f,nextTarget:a},this[c.targetName]=a);b=a&&g;f&&g&&(v&&this.fire(v,d),f.fire(c.evtOut,d));b&&(h&&this.fire(h,e),a.fire(c.evtIn,e))},__onMouseWheel:function(a){this._cacheTransformEventData(a);this._handleEvent(a,"wheel");this._resetTransformEventData()},_transformObject:function(a){var b=this.getPointer(a), c=this._currentTransform;c.reset=!1;c.target.isMoving=!0;c.shiftKey=a.shiftKey;c.altKey=a[this.centeredKey];this._beforeScaleTransform(a,c);this._performTransformAction(a,c,b);c.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(a,b,c){var e=c.x,d=c.y,f=b.action;c={target:b.target,e:a,transform:b,pointer:c};if("rotate"===f)(a=this._rotateObject(e,d))&&this._fire("rotating",c);else if("scale"===f)(a=this._onScale(a,b,e,d))&&this._fire("scaling",c);else if("scaleX"===f)(a=this._scaleObject(e, d,"x"))&&this._fire("scaling",c);else if("scaleY"===f)(a=this._scaleObject(e,d,"y"))&&this._fire("scaling",c);else if("skewX"===f)(a=this._skewObject(e,d,"x"))&&this._fire("skewing",c);else if("skewY"===f)(a=this._skewObject(e,d,"y"))&&this._fire("skewing",c);else if(a=this._translateObject(e,d))this._fire("moving",c),this.setCursor(c.target.moveCursor||this.moveCursor);b.actionPerformed=b.actionPerformed||a},_fire:function(a,b){this.fire("object:"+a,b);b.target.fire(a,b)},_beforeScaleTransform:function(a, b){if("scale"===b.action||"scaleX"===b.action||"scaleY"===b.action)if((a=this._shouldCenterTransform(b.target))&&("center"!==b.originX||"center"!==b.originY)||!a&&"center"===b.originX&&"center"===b.originY)this._resetCurrentTransform(),b.reset=!0},_onScale:function(a,b,c,e){if(this._isUniscalePossible(a,b.target))return b.currentAction="scale",this._scaleObject(c,e);b.reset||"scale"!==b.currentAction||this._resetCurrentTransform();b.currentAction="scaleEqually";return this._scaleObject(c,e,"equally")}, _isUniscalePossible:function(a,b){return(a[this.uniScaleKey]||this.uniScaleTransform)&&!b.get("lockUniScaling")},_setCursorFromEvent:function(a,b){if(!b)return this.setCursor(this.defaultCursor),!1;var c=b.hoverCursor||this.hoverCursor,e=this._activeObject&&"activeSelection"===this._activeObject.type?this._activeObject:null;(e=(!e||!e.contains(b))&&b._findTargetCorner(this.getPointer(a,!0)))?this.setCursor(this.getCornerCursor(e,b,a)):this.setCursor(c)},getCornerCursor:function(a,c,e){return this.actionIsDisabled(a, c,e)?this.notAllowedCursor:a in b?this._getRotatedCornerCursor(a,c,e):"mtr"===a&&c.hasRotatingPoint?this.rotationCursor:this.defaultCursor},actionIsDisabled:function(a,b,c){return"mt"===a||"mb"===a?c[this.altActionKey]?b.lockSkewingX:b.lockScalingY:"ml"===a||"mr"===a?c[this.altActionKey]?b.lockSkewingY:b.lockScalingX:"mtr"===a?b.lockRotation:this._isUniscalePossible(c,b)?b.lockScalingX&&b.lockScalingY:b.lockScalingX||b.lockScalingY},_getRotatedCornerCursor:function(a,c,e){c=Math.round(c.angle%360/ 45);0>c&&(c+=8);c+=b[a];e[this.altActionKey]&&0===b[a]%2&&(c+=2);return this.cursorMap[c%8]}})})(); (function(){var c=Math.min,b=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(b,a){var c=this._activeObject;return c&&this._isSelectionKeyPressed(b)&&a&&a.selectable&&this.selection&&(c!==a||"activeSelection"===c.type)&&!a.onSelect({e:b})},_handleGrouping:function(b,a){var c=this._activeObject;if(!c.__corner){if(a===c&&(a=this.findTarget(b,!0),!a||!a.selectable))return;c&&"activeSelection"===c.type?this._updateActiveSelection(a,b):this._createActiveSelection(a,b)}}, _updateActiveSelection:function(b,a){var c=this._activeObject,d=c._objects.slice(0);c.contains(b)?(c.removeWithUpdate(b),this._hoveredTarget=b,1===c.size()&&this._setActiveObject(c.item(0),a)):(c.addWithUpdate(b),this._hoveredTarget=c);this._fireSelectionEvents(d,a)},_createActiveSelection:function(b,a){var c=this.getActiveObjects();this._hoveredTarget=b=this._createGroup(b);this._setActiveObject(b,a);this._fireSelectionEvents(c,a)},_createGroup:function(b){var a=this._objects;b=a.indexOf(this._activeObject)< a.indexOf(b)?[this._activeObject,b]:[b,this._activeObject];this._activeObject.isEditing&&this._activeObject.exitEditing();return new fabric.ActiveSelection(b,{canvas:this})},_groupSelectedObjects:function(b){var a=this._collectObjects(b);1===a.length?this.setActiveObject(a[0],b):1<a.length&&(a=new fabric.ActiveSelection(a.reverse(),{canvas:this}),this.setActiveObject(a,b))},_collectObjects:function(d){var a=[],e;e=this._groupSelector.ex;for(var f=this._groupSelector.ey,h=e+this._groupSelector.left, g=f+this._groupSelector.top,k=new fabric.Point(c(e,h),c(f,g)),n=new fabric.Point(b(e,h),b(f,g)),t=!this.selectionFullyContained,f=e===h&&f===g,h=this._objects.length;h--&&!((e=this._objects[h])&&e.selectable&&e.visible&&!e.onSelect({e:d})&&(t&&e.intersectsWithRect(k,n)||e.isContainedWithinRect(k,n)||t&&e.containsPoint(k)||t&&e.containsPoint(n))&&(a.push(e),f)););return a},_maybeGroupObjects:function(b){this.selection&&this._groupSelector&&this._groupSelectedObjects(b);this.setCursor(this.defaultCursor); this._groupSelector=null}})})(); (function(){fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(c){c||(c={});var b=c.format||"png",d=c.quality||1,a=(c.multiplier||1)*(c.enableRetinaScaling?this.getRetinaScaling():1);c=this.toCanvasElement(a,c);return fabric.util.toDataURL(c,b,d)},toCanvasElement:function(c,b){c=c||1;b=b||{};var d=(b.width||this.width)*c,a=(b.height||this.height)*c,e=this.getZoom(),f=this.width,h=this.height,g=e*c,e=this.viewportTransform,k=this.interactive,n=this.contextContainer;c=[g,0, 0,g,(e[4]-(b.left||0))*c,(e[5]-(b.top||0))*c];b=fabric.util.createCanvasElement();b.width=d;b.height=a;this.interactive=!1;this.viewportTransform=c;this.width=d;this.height=a;this.calcViewportBoundaries();this.contextContainer=b.getContext("2d");this.renderAll();this.viewportTransform=e;this.width=f;this.height=h;this.calcViewportBoundaries();this.contextContainer=n;this.interactive=k;return b}})})(); fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(c,b,d){return this.loadFromJSON(c,b,d)},loadFromJSON:function(c,b,d){if(c){var a="string"===typeof c?JSON.parse(c):fabric.util.object.clone(c),e=this,f=this.renderOnAddRemove;this.renderOnAddRemove=!1;this._enlivenObjects(a.objects,function(c){e.clear();e._setBgOverlay(a,function(){c.forEach(function(a,b){e.insertAt(a,b)});e.renderOnAddRemove=f;delete a.objects;delete a.backgroundImage;delete a.overlayImage;delete a.background; delete a.overlay;e._setOptions(a);e.renderAll();b&&b()})},d);return this}},_setBgOverlay:function(c,b){var d={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(c.backgroundImage||c.overlayImage||c.background||c.overlay){var a=function(){d.backgroundImage&&d.overlayImage&&d.backgroundColor&&d.overlayColor&&b&&b()};this.__setBgOverlay("backgroundImage",c.backgroundImage,d,a);this.__setBgOverlay("overlayImage",c.overlayImage,d,a);this.__setBgOverlay("backgroundColor",c.background, d,a);this.__setBgOverlay("overlayColor",c.overlay,d,a)}else b&&b()},__setBgOverlay:function(c,b,d,a){var e=this;if(b)if("backgroundImage"===c||"overlayImage"===c)fabric.util.enlivenObjects([b],function(b){e[c]=b[0];d[c]=!0;a&&a()});else this["set"+fabric.util.string.capitalize(c,!0)](b,function(){d[c]=!0;a&&a()});else d[c]=!0,a&&a()},_enlivenObjects:function(c,b,d){c&&0!==c.length?fabric.util.enlivenObjects(c,function(a){b&&b(a)},null,d):b&&b([])},_toDataURL:function(c,b){this.clone(function(d){b(d.toDataURL(c))})}, _toDataURLWithMultiplier:function(c,b,d){this.clone(function(a){d(a.toDataURLWithMultiplier(c,b))})},clone:function(c,b){var d=JSON.stringify(this.toJSON(b));this.cloneWithoutData(function(a){a.loadFromJSON(d,function(){c&&c(a)})})},cloneWithoutData:function(c){var b=fabric.util.createCanvasElement();b.width=this.width;b.height=this.height;var d=new fabric.Canvas(b);d.clipTo=this.clipTo;this.backgroundImage?(d.setBackgroundImage(this.backgroundImage.src,function(){d.renderAll();c&&c(d)}),d.backgroundImageOpacity= this.backgroundImageOpacity,d.backgroundImageStretch=this.backgroundImageStretch):c&&c(d)}}); (function(c){var b=c.fabric||(c.fabric={});c=b.util.object.extend;var d=b.util.object.clone,a=b.util.toFixed,e=b.util.string.capitalize,f=b.util.degreesToRadians,h=b.StaticCanvas.supports("setLineDash");b.Object||(b.Object=b.util.createClass(b.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,strokeDashOffset:0,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:4,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:!b.isLikelyNode,statefullCache:!1,noScaleCache:!0,strokeUniform:!1,dirty:!0,__corner:0,paintFirst:"fill",stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY fillRule paintFirst clipPath strokeUniform".split(" "), cacheProperties:"fill stroke strokeWidth strokeDashArray width height paintFirst strokeUniform strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit backgroundColor clipPath".split(" "),clipPath:void 0,inverted:!1,absolutePositioned:!1,initialize:function(a){a&&this.setOptions(a)},_createCacheCanvas:function(){this._cacheProperties={};this._cacheCanvas=b.util.createCanvasElement();this._cacheContext=this._cacheCanvas.getContext("2d");this._updateCacheCanvas();this.dirty=!0},_limitCacheSize:function(a){var c= b.perfLimitSizeTotal,e=a.width,d=a.height,f=b.maxCacheSideLimit,g=b.minCacheSideLimit;if(e<=f&&d<=f&&e*d<=c)return e<g&&(a.width=g),d<g&&(a.height=g),a;var v=b.util.limitDimsByArea(e/d,c),p=b.util.capValue,c=p(g,v.x,f),f=p(g,v.y,f);e>c&&(a.zoomX/=e/c,a.width=c,a.capped=!0);d>f&&(a.zoomY/=d/f,a.height=f,a.capped=!0);return a},_getCacheCanvasDimensions:function(){var a=this.getTotalObjectScaling(),b=this._getNonTransformedDimensions(),c=a.scaleX,a=a.scaleY;return{width:b.x*c+2,height:b.y*a+2,zoomX:c, zoomY:a,x:b.x,y:b.y}},_updateCacheCanvas:function(){var a=this.canvas;if(this.noScaleCache&&a&&a._currentTransform){var c=a._currentTransform.action;if(this===a._currentTransform.target&&c.slice&&"scale"===c.slice(0,5))return!1}var a=this._cacheCanvas,e=this._limitCacheSize(this._getCacheCanvasDimensions()),d=b.minCacheSideLimit,c=e.width,f=e.height,h=e.zoomX,v=e.zoomY,p=c!==this.cacheWidth||f!==this.cacheHeight,B=this.zoomX!==h||this.zoomY!==v,l=0,E=0,C=!1;if(p){var C=this._cacheCanvas.width,m=this._cacheCanvas.height, y=c>C||f>m,C=y||(c<.9*C||f<.9*m)&&C>d&&m>d;y&&!e.capped&&(c>d||f>d)&&(l=.1*c,E=.1*f)}return p||B?(C?(a.width=Math.ceil(c+l),a.height=Math.ceil(f+E)):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,a.width,a.height)),d=e.x*h/2,e=e.y*v/2,this.cacheTranslationX=Math.round(a.width/2-d)+d,this.cacheTranslationY=Math.round(a.height/2-e)+e,this.cacheWidth=c,this.cacheHeight=f,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(h, v),this.zoomX=h,this.zoomY=v,!0):!1},setOptions:function(a){this._setOptions(a);this._initGradient(a.fill,"fill");this._initGradient(a.stroke,"stroke");this._initClipping(a);this._initPattern(a.fill,"fill");this._initPattern(a.stroke,"stroke")},transform:function(a){var b;b=this.group&&!this.group._transformDone?this.calcTransformMatrix():this.calcOwnMatrix();a.transform(b[0],b[1],b[2],b[3],b[4],b[5])},toObject:function(c){var e=b.Object.NUM_FRACTION_DIGITS,e={type:this.type,version:b.version,originX:this.originX, originY:this.originY,left:a(this.left,e),top:a(this.top,e),width:a(this.width,e),height:a(this.height,e),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:a(this.strokeWidth,e),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeDashOffset:this.strokeDashOffset,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:a(this.strokeMiterLimit, e),scaleX:a(this.scaleX,e),scaleY:a(this.scaleY,e),angle:a(this.angle,e),flipX:this.flipX,flipY:this.flipY,opacity:a(this.opacity,e),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:a(this.skewX, e),skewY:a(this.skewY,e)};this.clipPath&&(e.clipPath=this.clipPath.toObject(c),e.clipPath.inverted=this.clipPath.inverted,e.clipPath.absolutePositioned=this.clipPath.absolutePositioned);b.util.populateWithProperties(this,e,c);this.includeDefaultValues||(e=this._removeDefaultValues(e));return e},toDatalessObject:function(a){return this.toObject(a)},_removeDefaultValues:function(a){var c=b.util.getKlass(a.type).prototype;c.stateProperties.forEach(function(b){a[b]===c[b]&&delete a[b];"[object Array]"=== Object.prototype.toString.call(a[b])&&"[object Array]"===Object.prototype.toString.call(c[b])&&0===a[b].length&&0===c[b].length&&delete a[b]});return a},toString:function(){return"#\x3cfabric."+e(this.type)+"\x3e"},getObjectScaling:function(){var a=this.scaleX,b=this.scaleY;if(this.group)var c=this.group.getObjectScaling(),a=a*c.scaleX,b=b*c.scaleY;return{scaleX:a,scaleY:b}},getTotalObjectScaling:function(){var a=this.getObjectScaling(),b=a.scaleX,a=a.scaleY;if(this.canvas)var c=this.canvas.getZoom(), e=this.canvas.getRetinaScaling(),b=b*c*e,a=a*c*e;return{scaleX:b,scaleY:a}},getObjectOpacity:function(){var a=this.opacity;this.group&&(a*=this.group.getObjectOpacity());return a},_set:function(a,c){var e=this[a]!==c;if("scaleX"===a||"scaleY"===a)c=this._constrainScale(c);"scaleX"===a&&0>c?(this.flipX=!this.flipX,c*=-1):"scaleY"===a&&0>c?(this.flipY=!this.flipY,c*=-1):"shadow"!==a||!c||c instanceof b.Shadow?"dirty"===a&&this.group&&this.group.set("dirty",c):c=new b.Shadow(c);this[a]=c;e&&(c=this.group&& this.group.isOnACache(),-1<this.cacheProperties.indexOf(a)?(this.dirty=!0,c&&this.group.set("dirty",!0)):c&&-1<this.stateProperties.indexOf(a)&&this.group.set("dirty",!0));return this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:b.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||0===this.width&&0===this.height&&0===this.strokeWidth||!this.visible},render:function(a){this.isNotVisible()||this.canvas&& this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(a.save(),this._setupCompositeOperation(a),this.drawSelectionBackground(a),this.transform(a),this._setOpacity(a),this._setShadow(a,this),this.transformMatrix&&a.transform.apply(a,this.transformMatrix),this.clipTo&&b.util.clipContext(this,a),this.shouldCache()?(this.renderCache(),this.drawCacheOnCanvas(a)):(this._removeCacheCanvas(),this.dirty=!1,this.drawObject(a),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})), this.clipTo&&a.restore(),a.restore())},renderCache:function(a){a=a||{};this._cacheCanvas||this._createCacheCanvas();this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext,a.forClipping),this.dirty=!1)},_removeCacheCanvas:function(){this._cacheCanvas=null;this.cacheHeight=this.cacheWidth=0},needsItsOwnCache:function(){return"stroke"===this.paintFirst&&"object"===typeof this.shadow||this.clipPath?!0:!1},shouldCache:function(){return this.ownCaching= this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache())},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawClipPathOnCache:function(a){var c=this.clipPath;a.save();a.globalCompositeOperation=c.inverted?"destination-out":"destination-in";if(c.absolutePositioned){var e=b.util.invertTransform(this.calcTransformMatrix());a.transform(e[0],e[1],e[2],e[3],e[4],e[5])}c.transform(a);a.scale(1/c.zoomX,1/c.zoomY);a.drawImage(c._cacheCanvas, -c.cacheTranslationX,-c.cacheTranslationY);a.restore()},drawObject:function(a,b){var c=this.fill,e=this.stroke;b?(this.fill="black",this.stroke="",this._setClippingProperties(a)):(this._renderBackground(a),this._setStrokeStyles(a,this),this._setFillStyles(a,this));this._render(a);this._drawClipPath(a);this.fill=c;this.stroke=e},_drawClipPath:function(a){var b=this.clipPath;b&&(b.canvas=this.canvas,b.shouldCache(),b._transformDone=!0,b.renderCache({forClipping:!0}),this.drawClipPathOnCache(a))},drawCacheOnCanvas:function(a){a.scale(1/ this.zoomX,1/this.zoomY);a.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(a){if(this.isNotVisible())return!1;if(this._cacheCanvas&&!a&&this._updateCacheCanvas())return!0;if(this.dirty||this.clipPath&&this.clipPath.absolutePositioned||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&!a){a=this.cacheWidth/this.zoomX;var b=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-a/2,-b/2,a,b)}return!0}return!1}, _renderBackground:function(a){if(this.backgroundColor){var b=this._getNonTransformedDimensions();a.fillStyle=this.backgroundColor;a.fillRect(-b.x/2,-b.y/2,b.x,b.y);this._removeShadow(a)}},_setOpacity:function(a){a.globalAlpha=this.group&&!this.group._transformDone?this.getObjectOpacity():a.globalAlpha*this.opacity},_setStrokeStyles:function(a,b){b.stroke&&(a.lineWidth=b.strokeWidth,a.lineCap=b.strokeLineCap,a.lineDashOffset=b.strokeDashOffset,a.lineJoin=b.strokeLineJoin,a.miterLimit=b.strokeMiterLimit, a.strokeStyle=b.stroke.toLive?b.stroke.toLive(a,this):b.stroke)},_setFillStyles:function(a,b){b.fill&&(a.fillStyle=b.fill.toLive?b.fill.toLive(a,this):b.fill)},_setClippingProperties:function(a){a.globalAlpha=1;a.strokeStyle="transparent";a.fillStyle="#000000"},_setLineDash:function(a,b,c){b&&(1&b.length&&b.push.apply(b,b),h?a.setLineDash(b):c&&c(a),this.strokeUniform&&a.setLineDash(a.getLineDash().map(function(b){return b*a.lineWidth})))},_renderControls:function(a,c){var e=this.getViewportTransform(), d=this.calcTransformMatrix(),g,h;c=c||{};g="undefined"!==typeof c.hasBorders?c.hasBorders:this.hasBorders;h="undefined"!==typeof c.hasControls?c.hasControls:this.hasControls;d=b.util.multiplyTransformMatrices(e,d);e=b.util.qrDecompose(d);a.save();a.translate(e.translateX,e.translateY);a.lineWidth=1*this.borderScaleFactor;this.group||(a.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1);c.forActiveSelection?(a.rotate(f(e.angle)),g&&this.drawBordersInGroup(a,e,c)):(a.rotate(f(this.angle)),g&& this.drawBorders(a,c));h&&this.drawControls(a,c);a.restore()},_setShadow:function(a){if(this.shadow){var c=this.shadow,e=this.canvas,d=e&&e.viewportTransform[0]||1,f=e&&e.viewportTransform[3]||1,g=this.getObjectScaling();e&&e._isRetinaScaling()&&(d*=b.devicePixelRatio,f*=b.devicePixelRatio);a.shadowColor=c.color;a.shadowBlur=c.blur*b.browserShadowBlurConstant*(d+f)*(g.scaleX+g.scaleY)/4;a.shadowOffsetX=c.offsetX*d*g.scaleX;a.shadowOffsetY=c.offsetY*f*g.scaleY}},_removeShadow:function(a){this.shadow&& (a.shadowColor="",a.shadowBlur=a.shadowOffsetX=a.shadowOffsetY=0)},_applyPatternGradientTransform:function(a,b){if(!b||!b.toLive)return{offsetX:0,offsetY:0};var c=b.gradientTransform||b.patternTransform,e=-this.width/2+b.offsetX||0;b=-this.height/2+b.offsetY||0;a.translate(e,b);c&&a.transform(c[0],c[1],c[2],c[3],c[4],c[5]);return{offsetX:e,offsetY:b}},_renderPaintInOrder:function(a){"stroke"===this.paintFirst?(this._renderStroke(a),this._renderFill(a)):(this._renderFill(a),this._renderStroke(a))}, _renderFill:function(a){this.fill&&(a.save(),this._applyPatternGradientTransform(a,this.fill),"evenodd"===this.fillRule?a.fill("evenodd"):a.fill(),a.restore())},_renderStroke:function(a){this.stroke&&0!==this.strokeWidth&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(a),a.save(),this.strokeUniform&&a.scale(1/this.scaleX,1/this.scaleY),this._setLineDash(a,this.strokeDashArray,this._renderDashedStroke),this._applyPatternGradientTransform(a,this.stroke),a.stroke(),a.restore())},_findCenterFromElement:function(){return{x:this.left+ this.width/2,y:this.top+this.height/2}},_assignTransformMatrixProps:function(){if(this.transformMatrix){var a=b.util.qrDecompose(this.transformMatrix);this.flipY=this.flipX=!1;this.set("scaleX",a.scaleX);this.set("scaleY",a.scaleY);this.angle=a.angle;this.skewX=a.skewX;this.skewY=0}},_removeTransformMatrix:function(a){var c=this._findCenterFromElement();this.transformMatrix&&(this._assignTransformMatrixProps(),c=b.util.transformPoint(c,this.transformMatrix));this.transformMatrix=null;a&&(this.scaleX*= a.scaleX,this.scaleY*=a.scaleY,this.cropX=a.cropX,this.cropY=a.cropY,c.x+=a.offsetLeft,c.y+=a.offsetTop,this.width=a.width,this.height=a.height);this.setPositionByOrigin(c,"center","center")},clone:function(a,c){c=this.toObject(c);this.constructor.fromObject?this.constructor.fromObject(c,a):b.Object._fromObject("Object",c,a)},cloneAsImage:function(a,c){c=this.toCanvasElement(c);a&&a(new b.Image(c));return this},toCanvasElement:function(a){a||(a={});var c=b.util,e=c.saveObjectTransform(this),d=this.shadow, f=Math.abs,g=(a.multiplier||1)*(a.enableRetinaScaling?b.devicePixelRatio:1);a.withoutTransform&&c.resetObjectTransform(this);a.withoutShadow&&(this.shadow=null);var c=b.util.createCanvasElement(),v=this.getBoundingRect(!0,!0),p=this.shadow,h,l=0;h=0;var E;p&&(E=p.blur,h=this.getObjectScaling(),l=2*Math.round((f(p.offsetX)+E)*f(h.scaleX)),h=2*Math.round((f(p.offsetY)+E)*f(h.scaleY)));c.width=v.width+l;c.height=v.height+h;c.width+=c.width%2?2-c.width%2:0;c.height+=c.height%2?2-c.height%2:0;f=new b.StaticCanvas(c, {enableRetinaScaling:!1,renderOnAddRemove:!1,skipOffscreen:!1});"jpeg"===a.format&&(f.backgroundColor="#fff");this.setPositionByOrigin(new b.Point(f.width/2,f.height/2),"center","center");c=this.canvas;f.add(this);a=f.toCanvasElement(g||1,a);this.shadow=d;this.canvas=c;this.set(e).setCoords();f._objects=[];f.dispose();return a},toDataURL:function(a){a||(a={});return b.util.toDataURL(this.toCanvasElement(a),a.format||"png",a.quality||1)},isType:function(a){return this.type===a},complexity:function(){return 1}, toJSON:function(a){return this.toObject(a)},setGradient:function(a,c){c||(c={});var e={colorStops:[]};e.type=c.type||(c.r1||c.r2?"radial":"linear");e.coords={x1:c.x1,y1:c.y1,x2:c.x2,y2:c.y2};if(c.r1||c.r2)e.coords.r1=c.r1,e.coords.r2=c.r2;e.gradientTransform=c.gradientTransform;b.Gradient.prototype.addColorStop.call(e,c.colorStops);return this.set(a,b.Gradient.forObject(this,e))},setPatternFill:function(a,c){return this.set("fill",new b.Pattern(a,c))},setShadow:function(a){return this.set("shadow", a?new b.Shadow(a):null)},setColor:function(a){this.set("fill",a);return this},rotate:function(a){var b=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;b&&this._setOriginToCenter();this.set("angle",a);b&&this._resetOrigin();return this},centerH:function(){this.canvas&&this.canvas.centerObjectH(this);return this},viewportCenterH:function(){this.canvas&&this.canvas.viewportCenterObjectH(this);return this},centerV:function(){this.canvas&&this.canvas.centerObjectV(this);return this}, viewportCenterV:function(){this.canvas&&this.canvas.viewportCenterObjectV(this);return this},center:function(){this.canvas&&this.canvas.centerObject(this);return this},viewportCenter:function(){this.canvas&&this.canvas.viewportCenterObject(this);return this},getLocalPointer:function(a,c){c=c||this.canvas.getPointer(a);a=new b.Point(c.x,c.y);c=this._getLeftTopCoords();this.angle&&(a=b.util.rotatePoint(a,c,f(-this.angle)));return{x:a.x-c.x,y:a.y-c.y}},_setupCompositeOperation:function(a){this.globalCompositeOperation&& (a.globalCompositeOperation=this.globalCompositeOperation)}}),b.util.createAccessors&&b.util.createAccessors(b.Object),c(b.Object.prototype,b.Observable),b.Object.NUM_FRACTION_DIGITS=2,b.Object._fromObject=function(a,c,e,f){var h=b[a];c=d(c,!0);b.util.enlivenPatterns([c.fill,c.stroke],function(a){"undefined"!==typeof a[0]&&(c.fill=a[0]);"undefined"!==typeof a[1]&&(c.stroke=a[1]);b.util.enlivenObjects([c.clipPath],function(a){c.clipPath=a[0];a=f?new h(c[f],c):new h(c);e&&e(a)})})},b.Object.__uid=0)})("undefined"!== typeof exports?exports:this); (function(){var c=fabric.util.degreesToRadians,b={left:-.5,center:0,right:.5},d={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(a,c,f,h,g){var e=a.x,n=a.y;c="string"===typeof c?b[c]:c-.5;h="string"===typeof h?b[h]:h-.5;c=h-c;f="string"===typeof f?d[f]:f-.5;g="string"===typeof g?d[g]:g-.5;f=g-f;if(c||f)n=this._getTransformedDimensions(),e=a.x+c*n.x,n=a.y+f*n.y;return new fabric.Point(e,n)},translateToCenterPoint:function(a,b,d){b=this.translateToGivenOrigin(a, b,d,"center","center");return this.angle?fabric.util.rotatePoint(b,a,c(this.angle)):b},translateToOriginPoint:function(a,b,d){b=this.translateToGivenOrigin(a,"center","center",b,d);return this.angle?fabric.util.rotatePoint(b,a,c(this.angle)):b},getCenterPoint:function(){var a=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(a,this.originX,this.originY)},getPointByOrigin:function(a,b){var c=this.getCenterPoint();return this.translateToOriginPoint(c,a,b)},toLocalPoint:function(a, b,d){var e=this.getCenterPoint();b="undefined"!==typeof b&&"undefined"!==typeof d?this.translateToGivenOrigin(e,"center","center",b,d):new fabric.Point(this.left,this.top);a=new fabric.Point(a.x,a.y);this.angle&&(a=fabric.util.rotatePoint(a,e,-c(this.angle)));return a.subtractEquals(b)},setPositionByOrigin:function(a,b,c){a=this.translateToCenterPoint(a,b,c);a=this.translateToOriginPoint(a,this.originX,this.originY);this.set("left",a.x);this.set("top",a.y)},adjustPosition:function(a){var e=c(this.angle), d=this.getScaledWidth(),h=fabric.util.cos(e)*d,e=fabric.util.sin(e)*d,g,d="string"===typeof this.originX?b[this.originX]:this.originX-.5;g="string"===typeof a?b[a]:a-.5;this.left+=h*(g-d);this.top+=e*(g-d);this.setCoords();this.originX=a},_setOriginToCenter:function(){this._originalOriginX=this.originX;this._originalOriginY=this.originY;var a=this.getCenterPoint();this.originY=this.originX="center";this.left=a.x;this.top=a.y},_resetOrigin:function(){var a=this.translateToOriginPoint(this.getCenterPoint(), this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX;this.originY=this._originalOriginY;this.left=a.x;this.top=a.y;this._originalOriginY=this._originalOriginX=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")}})})(); (function(){var c=fabric.util.degreesToRadians,b=fabric.util.multiplyTransformMatrices,d=fabric.util.transformPoint;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,ownMatrixCache:null,matrixCache:null,getCoords:function(a,b){this.oCoords||this.setCoords();var c=a?this.aCoords:this.oCoords;a=b?this.calcCoords(a):c;return[new fabric.Point(a.tl.x,a.tl.y),new fabric.Point(a.tr.x,a.tr.y),new fabric.Point(a.br.x,a.br.y),new fabric.Point(a.bl.x,a.bl.y)]},intersectsWithRect:function(a, b,c,d){c=this.getCoords(c,d);return"Intersection"===fabric.Intersection.intersectPolygonRectangle(c,a,b).status},intersectsWithObject:function(a,b,c){return"Intersection"===fabric.Intersection.intersectPolygonPolygon(this.getCoords(b,c),a.getCoords(b,c)).status||a.isContainedWithinObject(this,b,c)||this.isContainedWithinObject(a,b,c)},isContainedWithinObject:function(a,b,c){var e=this.getCoords(b,c),d=0;for(b=a._getImageLines(c?a.calcCoords(b):b?a.aCoords:a.oCoords);4>d;d++)if(!a.containsPoint(e[d], b))return!1;return!0},isContainedWithinRect:function(a,b,c,d){c=this.getBoundingRect(c,d);return c.left>=a.x&&c.left+c.width<=b.x&&c.top>=a.y&&c.top+c.height<=b.y},containsPoint:function(a,b,c,d){b=b||this._getImageLines(d?this.calcCoords(c):c?this.aCoords:this.oCoords);a=this._findCrossPoints(a,b);return 0!==a&&1===a%2},isOnScreen:function(a){if(!this.canvas)return!1;for(var b=this.canvas.vptCoords.tl,c=this.canvas.vptCoords.br,d=this.getCoords(!0,a),g,k=0;4>k;k++)if(g=d[k],g.x<=c.x&&g.x>=b.x&&g.y<= c.y&&g.y>=b.y)return!0;return this.intersectsWithRect(b,c,!0,a)?!0:this._containsCenterOfCanvas(b,c,a)},_containsCenterOfCanvas:function(a,b,c){return this.containsPoint({x:(a.x+b.x)/2,y:(a.y+b.y)/2},null,!0,c)?!0:!1},isPartiallyOnScreen:function(a){if(!this.canvas)return!1;var b=this.canvas.vptCoords.tl,c=this.canvas.vptCoords.br;return this.intersectsWithRect(b,c,!0,a)?!0:this._containsCenterOfCanvas(b,c,a)},_getImageLines:function(a){return{topline:{o:a.tl,d:a.tr},rightline:{o:a.tr,d:a.br},bottomline:{o:a.br, d:a.bl},leftline:{o:a.bl,d:a.tl}}},_findCrossPoints:function(a,b){var c,e,d,k=0,n;for(n in b)if(d=b[n],!(d.o.y<a.y&&d.d.y<a.y||d.o.y>=a.y&&d.d.y>=a.y)&&(d.o.x===d.d.x&&d.o.x>=a.x?c=d.o.x:(c=(d.d.y-d.o.y)/(d.d.x-d.o.x),e=a.y-0*a.x,d=d.o.y-c*d.o.x,c=-(e-d)/(0-c)),c>=a.x&&(k+=1),2===k))break;return k},getBoundingRect:function(a,b){a=this.getCoords(a,b);return fabric.util.makeBoundingBoxFromPoints(a)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y}, _constrainScale:function(a){return Math.abs(a)<this.minScaleLimit?0>a?-this.minScaleLimit:this.minScaleLimit:0===a?1E-4:a},scale:function(a){this._set("scaleX",a);this._set("scaleY",a);return this.setCoords()},scaleToWidth:function(a,b){b=this.getBoundingRect(b).width/this.getScaledWidth();return this.scale(a/this.width/b)},scaleToHeight:function(a,b){b=this.getBoundingRect(b).height/this.getScaledHeight();return this.scale(a/this.height/b)},calcCoords:function(a){var e=this._calcRotateMatrix(),f= this._calcTranslateMatrix(),e=b(f,e),f=this.getViewportTransform(),h=a?e:b(f,e),e=this._getTransformedDimensions(),g=e.x/2,k=e.y/2,e=d({x:-g,y:-k},h),f=d({x:g,y:-k},h),n=d({x:-g,y:k},h),h=d({x:g,y:k},h);if(!a){var t=this.padding,x=c(this.angle),r=fabric.util.cos(x),g=fabric.util.sin(x),v=r*t,p=g*t,x=v+p,v=v-p;t&&(e.x-=v,e.y-=x,f.x+=x,f.y-=v,n.x-=x,n.y+=v,h.x+=v,h.y+=x);t=new fabric.Point((e.x+n.x)/2,(e.y+n.y)/2);x=new fabric.Point((f.x+e.x)/2,(f.y+e.y)/2);v=new fabric.Point((h.x+f.x)/2,(h.y+f.y)/ 2);p=new fabric.Point((h.x+n.x)/2,(h.y+n.y)/2);r=new fabric.Point(x.x+g*this.rotatingPointOffset,x.y-r*this.rotatingPointOffset)}e={tl:e,tr:f,br:h,bl:n};a||(e.ml=t,e.mt=x,e.mr=v,e.mb=p,e.mtr=r);return e},setCoords:function(a,b){this.oCoords=this.calcCoords(a);b||(this.aCoords=this.calcCoords(!0));a||this._setCornerCoords&&this._setCornerCoords();return this},_calcRotateMatrix:function(){if(this.angle){var a=c(this.angle),b=fabric.util.cos(a),a=fabric.util.sin(a);return[b,a,-a,b,0,0]}return fabric.iMatrix.concat()}, _calcTranslateMatrix:function(){var a=this.getCenterPoint();return[1,0,0,1,a.x,a.y]},transformMatrixKey:function(a){var b="";!a&&this.group&&(b=this.group.transformMatrixKey(a)+"_");return b+this.top+"_"+this.left+"_"+this.scaleX+"_"+this.scaleY+"_"+this.skewX+"_"+this.skewY+"_"+this.angle+"_"+this.originX+"_"+this.originY+"_"+this.width+"_"+this.height+"_"+this.strokeWidth+this.flipX+this.flipY},calcTransformMatrix:function(a){if(a)return this.calcOwnMatrix();a=this.transformMatrixKey();var c=this.matrixCache|| (this.matrixCache={});if(c.key===a)return c.value;var d=this.calcOwnMatrix();this.group&&(d=b(this.group.calcTransformMatrix(),d));c.key=a;return c.value=d},calcOwnMatrix:function(){var a=this.transformMatrixKey(!0),c=this.ownMatrixCache||(this.ownMatrixCache={});if(c.key===a)return c.value;var d=this._calcTranslateMatrix(),h,g=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,!0);this.angle&&(h=this._calcRotateMatrix(),d=b(d,h));d=b(d,g);c.key=a;return c.value=d},_calcDimensionsTransformMatrix:function(a, e,d){d=[this.scaleX*(d&&this.flipX?-1:1),0,0,this.scaleY*(d&&this.flipY?-1:1),0,0];a&&(a=[1,0,Math.tan(c(a)),1],d=b(d,a,!0));e&&(a=[1,Math.tan(c(e)),0,1],d=b(d,a,!0));return d},_getNonTransformedDimensions:function(){var a=this.strokeWidth;return{x:this.width+a,y:this.height+a}},_getTransformedDimensions:function(a,b){"undefined"===typeof a&&(a=this.skewX);"undefined"===typeof b&&(b=this.skewY);var c=this._getNonTransformedDimensions(),e;this.strokeUniform?(e=this.width,c=this.height):(e=c.x,c=c.y); if(0===a&&0===b)return this._finalizeDiemensions(e*this.scaleX,c*this.scaleY);e/=2;c/=2;e=[{x:-e,y:-c},{x:e,y:-c},{x:-e,y:c},{x:e,y:c}];b=this._calcDimensionsTransformMatrix(a,b,!1);for(a=0;a<e.length;a++)e[a]=fabric.util.transformPoint(e[a],b);a=fabric.util.makeBoundingBoxFromPoints(e);return this._finalizeDiemensions(a.width,a.height)},_finalizeDiemensions:function(a,b){return this.strokeUniform?{x:a+this.strokeWidth,y:b+this.strokeWidth}:{x:a,y:b}},_calculateCurrentDimensions:function(){var a= this.getViewportTransform(),b=this._getTransformedDimensions();return fabric.util.transformPoint(b,a,!0).scalarAdd(2*this.padding)}})})(); fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this);return this},bringToFront:function(){this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this);return this},sendBackwards:function(c){this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,c):this.canvas.sendBackwards(this,c);return this},bringForward:function(c){this.group? fabric.StaticCanvas.prototype.bringForward.call(this.group,this,c):this.canvas.bringForward(this,c);return this},moveTo:function(c){this.group&&"activeSelection"!==this.group.type?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,c):this.canvas.moveTo(this,c);return this}}); (function(){function c(b,a){if(a){if(a.toLive)return b+": url(#SVGID_"+a.id+"); ";var c=new fabric.Color(a);a=b+": "+c.toRgb()+"; ";c=c.getAlpha();1!==c&&(a+=b+"-opacity: "+c.toString()+"; ");return a}return b+": none; "}var b=fabric.util.toFixed;fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(b){var a=this.fillRule?this.fillRule:"nonzero",e=this.strokeWidth?this.strokeWidth:"0",d=this.strokeDashArray?this.strokeDashArray.join(" "):"none",h=this.strokeDashOffset?this.strokeDashOffset: "0",g=this.strokeLineCap?this.strokeLineCap:"butt",k=this.strokeLineJoin?this.strokeLineJoin:"miter",n=this.strokeMiterLimit?this.strokeMiterLimit:"4",t="undefined"!==typeof this.opacity?this.opacity:"1",x=this.visible?"":" visibility: hidden;";b=b?"":this.getSvgFilter();var r=c("fill",this.fill);return[c("stroke",this.stroke),"stroke-width: ",e,"; stroke-dasharray: ",d,"; stroke-linecap: ",g,"; stroke-dashoffset: ",h,"; stroke-linejoin: ",k,"; stroke-miterlimit: ",n,"; ",r,"fill-rule: ",a,"; opacity: ", t,";",b,x].join("")},getSvgSpanStyles:function(b,a){var e=b.fontFamily?"font-family: "+(-1===b.fontFamily.indexOf("'")&&-1===b.fontFamily.indexOf('"')?"'"+b.fontFamily+"'":b.fontFamily)+"; ":"",d=b.strokeWidth?"stroke-width: "+b.strokeWidth+"; ":"",h=b.fontSize?"font-size: "+b.fontSize+"px; ":"",g=b.fontStyle?"font-style: "+b.fontStyle+"; ":"",k=b.fontWeight?"font-weight: "+b.fontWeight+"; ":"",n=b.fill?c("fill",b.fill):"",t=b.stroke?c("stroke",b.stroke):"",x=this.getSvgTextDecoration(b);b=b.deltaY? "baseline-shift: "+-b.deltaY+"; ":"";x&&(x="text-decoration: "+x+"; ");return[t,d,e,h,g,k,x,n,b,a?"white-space: pre; ":""].join("")},getSvgTextDecoration:function(b){return"overline"in b||"underline"in b||"linethrough"in b?(b.overline?"overline ":"")+(b.underline?"underline ":"")+(b.linethrough?"line-through ":""):""},getSvgFilter:function(){return this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":""},getSvgCommons:function(){return[this.id?'id\x3d"'+this.id+'" ':"",this.clipPath?'clip-path\x3d"url(#'+ this.clipPath.clipPathId+')" ':""].join("")},getSvgTransform:function(c,a){return'transform\x3d"matrix('+(c?this.calcTransformMatrix():this.calcOwnMatrix()).map(function(a){return b(a,fabric.Object.NUM_FRACTION_DIGITS)}).join(" ")+")"+(a||"")+this.getSvgTransformMatrix()+'" '},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+")":""},_setSVGBg:function(c){if(this.backgroundColor){var a=fabric.Object.NUM_FRACTION_DIGITS;c.push("\t\t\x3crect ",this._getFillAttributes(this.backgroundColor), ' x\x3d"',b(-this.width/2,a),'" y\x3d"',b(-this.height/2,a),'" width\x3d"',b(this.width,a),'" height\x3d"',b(this.height,a),'"\x3e\x3c/rect\x3e\n')}},toSVG:function(b){return this._createBaseSVGMarkup(this._toSVG(),{reviver:b})},toClipPathSVG:function(b){return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(),{reviver:b})},_createBaseClipPathSVGMarkup:function(b,a){a=a||{};var c=a.reviver;a=[this.getSvgTransform(!0,a.additionalTransform||""),this.getSvgCommons()].join("");var d=b.indexOf("COMMON_PARTS"); b[d]=a;return c?c(b.join("")):b.join("")},_createBaseSVGMarkup:function(b,a){a=a||{};var c=a.noStyle,d=a.withShadow,h=a.reviver,g=c?"":'style\x3d"'+this.getSvgStyles()+'" ',k=d?'style\x3d"'+this.getSvgFilter()+'" ':"",d=this.clipPath,n=this.strokeUniform?'vector-effect\x3d"non-scaling-stroke" ':"",t=this.clipPath&&this.clipPath.absolutePositioned,x=[],r,v=b.indexOf("COMMON_PARTS");a=a.additionalTransform;d&&(d.clipPathId="CLIPPATH_"+fabric.Object.__uid++,r='\x3cclipPath id\x3d"'+d.clipPathId+'" \x3e\n'+ this.clipPath.toClipPathSVG(h)+"\x3c/clipPath\x3e\n");t&&x.push("\x3cg ",k,this.getSvgCommons()," \x3e\n");x.push("\x3cg ",this.getSvgTransform(!1),t?"":k+this.getSvgCommons()," \x3e\n");c=[g,n,c?"":this.addPaintOrder()," ",a?'transform\x3d"'+a+'" ':""].join("");b[v]=c;this.fill&&this.fill.toLive&&x.push(this.fill.toSVG(this,!1));this.stroke&&this.stroke.toLive&&x.push(this.stroke.toSVG(this,!1));this.shadow&&x.push(this.shadow.toSVG(this));d&&x.push(r);x.push(b.join(""));x.push("\x3c/g\x3e\n");t&& x.push("\x3c/g\x3e\n");return h?h(x.join("")):x.join("")},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order\x3d"'+this.paintFirst+'" ':""}})})(); (function(){function c(a,b,c){var e={};c.forEach(function(b){e[b]=a[b]});d(a[b],e,!0)}function b(a,c,d){if(a===c)return!0;if(Array.isArray(a)){if(!Array.isArray(c)||a.length!==c.length)return!1;d=0;for(var e=a.length;d<e;d++)if(!b(a[d],c[d]))return!1;return!0}if(a&&"object"===typeof a){var f=Object.keys(a),k;if(!c||"object"!==typeof c||!d&&f.length!==Object.keys(c).length)return!1;d=0;for(e=f.length;d<e;d++)if(k=f[d],"canvas"!==k&&!b(a[k],c[k]))return!1;return!0}}var d=fabric.util.object.extend;fabric.util.object.extend(fabric.Object.prototype, {hasStateChanged:function(a){a=a||"stateProperties";var c="_"+a;return Object.keys(this[c]).length<this[a].length?!0:!b(this[c],this,!0)},saveState:function(a){var b=a&&a.propertySet||"stateProperties",d="_"+b;if(!this[d])return this.setupState(a);c(this,d,this[b]);a&&a.stateProperties&&c(this,d,a.stateProperties);return this},setupState:function(a){a=a||{};var b=a.propertySet||"stateProperties";a.propertySet=b;this["_"+b]={};this.saveState(a);return this}})})(); (function(){var c=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(b){if(!this.hasControls||this.group||!this.canvas||this.canvas._activeObject!==this)return!1;var c=b.x;b=b.y;var a;this.__corner=0;for(var e in this.oCoords)if(this.isControlVisible(e)&&("mtr"!==e||this.hasRotatingPoint)&&(!this.get("lockUniScaling")||"mt"!==e&&"mr"!==e&&"mb"!==e&&"ml"!==e)&&(a=this._getImageLines(this.oCoords[e].corner),a=this._findCrossPoints({x:c, y:b},a),0!==a&&1===a%2))return this.__corner=e;return!1},_setCornerCoords:function(){var b=this.oCoords,d=c(45-this.angle),a=.707106*this.cornerSize,e=a*fabric.util.cos(d),d=a*fabric.util.sin(d),f,h;for(h in b)a=b[h].x,f=b[h].y,b[h].corner={tl:{x:a-d,y:f-e},tr:{x:a+e,y:f-d},bl:{x:a-e,y:f+d},br:{x:a+d,y:f+e}}},drawSelectionBackground:function(b){if(!this.selectionBackgroundColor||this.canvas&&!this.canvas.interactive||this.canvas&&this.canvas._activeObject!==this)return this;b.save();var d=this.getCenterPoint(), a=this._calculateCurrentDimensions(),e=this.canvas.viewportTransform;b.translate(d.x,d.y);b.scale(1/e[0],1/e[3]);b.rotate(c(this.angle));b.fillStyle=this.selectionBackgroundColor;b.fillRect(-a.x/2,-a.y/2,a.x,a.y);b.restore();return this},drawBorders:function(b,c){c=c||{};var a=this._calculateCurrentDimensions(),e=1/this.borderScaleFactor,d=a.x+e,e=a.y+e,h="undefined"!==typeof c.hasRotatingPoint?c.hasRotatingPoint:this.hasRotatingPoint,g="undefined"!==typeof c.hasControls?c.hasControls:this.hasControls, a="undefined"!==typeof c.rotatingPointOffset?c.rotatingPointOffset:this.rotatingPointOffset;b.save();b.strokeStyle=c.borderColor||this.borderColor;this._setLineDash(b,c.borderDashArray||this.borderDashArray,null);b.strokeRect(-d/2,-e/2,d,e);h&&this.isControlVisible("mtr")&&g&&(c=-e/2,b.beginPath(),b.moveTo(0,c),b.lineTo(0,c-a),b.stroke());b.restore();return this},drawBordersInGroup:function(b,c,a){a=a||{};var e=this._getNonTransformedDimensions();c=fabric.util.customTransformMatrix(c.scaleX,c.scaleY, c.skewX);c=fabric.util.transformPoint(e,c);var d=1/this.borderScaleFactor,e=c.x+d;c=c.y+d;b.save();this._setLineDash(b,a.borderDashArray||this.borderDashArray,null);b.strokeStyle=a.borderColor||this.borderColor;b.strokeRect(-e/2,-c/2,e,c);b.restore();return this},drawControls:function(b,c){c=c||{};var a=this._calculateCurrentDimensions(),e=a.x,a=a.y,d=c.cornerSize||this.cornerSize,h=-(e+d)/2,d=-(a+d)/2,g="undefined"!==typeof c.hasRotatingPoint?c.hasRotatingPoint:this.hasRotatingPoint,k=("undefined"!== typeof c.transparentCorners?c.transparentCorners:this.transparentCorners)?"stroke":"fill";b.save();b.strokeStyle=b.fillStyle=c.cornerColor||this.cornerColor;this.transparentCorners||(b.strokeStyle=c.cornerStrokeColor||this.cornerStrokeColor);this._setLineDash(b,c.cornerDashArray||this.cornerDashArray,null);this._drawControl("tl",b,k,h,d,c);this._drawControl("tr",b,k,h+e,d,c);this._drawControl("bl",b,k,h,d+a,c);this._drawControl("br",b,k,h+e,d+a,c);this.get("lockUniScaling")||(this._drawControl("mt", b,k,h+e/2,d,c),this._drawControl("mb",b,k,h+e/2,d+a,c),this._drawControl("mr",b,k,h+e,d+a/2,c),this._drawControl("ml",b,k,h,d+a/2,c));g&&this._drawControl("mtr",b,k,h+e/2,d-this.rotatingPointOffset,c);b.restore();return this},_drawControl:function(b,c,a,e,f,h){h=h||{};if(this.isControlVisible(b)){b=this.cornerSize;var d=!this.transparentCorners&&this.cornerStrokeColor;switch(h.cornerStyle||this.cornerStyle){case "circle":c.beginPath();c.arc(e+b/2,f+b/2,b/2,0,2*Math.PI,!1);c[a]();d&&c.stroke();break; default:this.transparentCorners||c.clearRect(e,f,b,b),c[a+"Rect"](e,f,b,b),d&&c.strokeRect(e,f,b,b)}}},isControlVisible:function(b){return this._getControlsVisibility()[b]},setControlVisible:function(b,c){this._getControlsVisibility()[b]=c;return this},setControlsVisibility:function(b){b||(b={});for(var c in b)this.setControlVisible(c,b[c]);return this},_getControlsVisibility:function(){this._controlsVisibility||(this._controlsVisibility={tl:!0,tr:!0,br:!0,bl:!0,ml:!0,mt:!0,mr:!0,mb:!0,mtr:!0});return this._controlsVisibility}, onDeselect:function(){},onSelect:function(){}})})(); fabric.util.object.extend(fabric.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(c,b){b=b||{};var d=function(){},a=b.onComplete||d,e=b.onChange||d,f=this;fabric.util.animate({startValue:c.left,endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(a){c.set("left",a);f.requestRenderAll();e()},onComplete:function(){c.setCoords();a()}});return this},fxCenterObjectV:function(c,b){b=b||{};var d=function(){},a=b.onComplete||d,e=b.onChange||d,f=this;fabric.util.animate({startValue:c.top, endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(a){c.set("top",a);f.requestRenderAll();e()},onComplete:function(){c.setCoords();a()}});return this},fxRemove:function(c,b){b=b||{};var d=function(){},a=b.onComplete||d,e=b.onChange||d,f=this;fabric.util.animate({startValue:c.opacity,endValue:0,duration:this.FX_DURATION,onChange:function(a){c.set("opacity",a);f.requestRenderAll();e()},onComplete:function(){f.remove(c);a()}});return this}}); fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&"object"===typeof arguments[0]){var c=[],b,d;for(b in arguments[0])c.push(b);for(var a=0,e=c.length;a<e;a++)b=c[a],d=a!==e-1,this._animate(b,arguments[0][b],arguments[1],d)}else this._animate.apply(this,arguments);return this},_animate:function(c,b,d,a){var e=this,f;b=b.toString();d=d?fabric.util.object.clone(d):{};~c.indexOf(".")&&(f=c.split("."));var h=f?this.get(f[0])[f[1]]:this.get(c);"from"in d||(d.from=h); b=~b.indexOf("\x3d")?h+parseFloat(b.replace("\x3d","")):parseFloat(b);fabric.util.animate({startValue:d.from,endValue:b,byValue:d.by,easing:d.easing,duration:d.duration,abort:d.abort&&function(){return d.abort.call(e)},onChange:function(b,h,n){f?e[f[0]][f[1]]=b:e.set(c,b);a||d.onChange&&d.onChange(b,h,n)},onComplete:function(b,c,f){a||(e.setCoords(),d.onComplete&&d.onComplete(b,c,f))}})}}); (function(c){function b(a,b){var c=a.origin,e=a.axis1,d=a.axis2,f=a.dimension,v=b.nearest,p=b.center,h=b.farthest;return function(){switch(this.get(c)){case v:return Math.min(this.get(e),this.get(d));case p:return Math.min(this.get(e),this.get(d))+.5*this.get(f);case h:return Math.max(this.get(e),this.get(d))}}}var d=c.fabric||(c.fabric={}),a=d.util.object.extend,e=d.util.object.clone,f={x1:1,x2:1,y1:1,y2:1},h=d.StaticCanvas.supports("setLineDash");d.Line?d.warn("fabric.Line is already defined"): (d.Line=d.util.createClass(d.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,cacheProperties:d.Object.prototype.cacheProperties.concat("x1","x2","y1","y2"),initialize:function(a,b){a||(a=[0,0,0,0]);this.callSuper("initialize",b);this.set("x1",a[0]);this.set("y1",a[1]);this.set("x2",a[2]);this.set("y2",a[3]);this._setWidthHeight(b)},_setWidthHeight:function(a){a||(a={});this.width=Math.abs(this.x2-this.x1);this.height=Math.abs(this.y2-this.y1);this.left="left"in a?a.left:this._getLeftToOriginX();this.top= "top"in a?a.top:this._getTopToOriginY()},_set:function(a,b){this.callSuper("_set",a,b);"undefined"!==typeof f[a]&&this._setWidthHeight();return this},_getLeftToOriginX:b({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:b({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(a){a.beginPath();if(!this.strokeDashArray||this.strokeDashArray&&h){var b= this.calcLinePoints();a.moveTo(b.x1,b.y1);a.lineTo(b.x2,b.y2)}a.lineWidth=this.strokeWidth;b=a.strokeStyle;a.strokeStyle=this.stroke||a.fillStyle;this.stroke&&this._renderStroke(a);a.strokeStyle=b},_renderDashedStroke:function(a){var b=this.calcLinePoints();a.beginPath();d.util.drawDashedLine(a,b.x1,b.y1,b.x2,b.y2,this.strokeDashArray);a.closePath()},_findCenterFromElement:function(){return{x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2}},toObject:function(b){return a(this.callSuper("toObject",b),this.calcLinePoints())}, _getNonTransformedDimensions:function(){var a=this.callSuper("_getNonTransformedDimensions");"butt"===this.strokeLineCap&&(0===this.width&&(a.y-=this.strokeWidth),0===this.height&&(a.x-=this.strokeWidth));return a},calcLinePoints:function(){var a=this.x1<=this.x2?-1:1,b=this.y1<=this.y2?-1:1;return{x1:a*this.width*.5,x2:a*this.width*-.5,y1:b*this.height*.5,y2:b*this.height*-.5}},_toSVG:function(){var a=this.calcLinePoints();return["\x3cline ","COMMON_PARTS",'x1\x3d"',a.x1,'" y1\x3d"',a.y1,'" x2\x3d"', a.x2,'" y2\x3d"',a.y2,'" /\x3e\n']}}),d.Line.ATTRIBUTE_NAMES=d.SHARED_ATTRIBUTES.concat(["x1","y1","x2","y2"]),d.Line.fromElement=function(b,c,e){e=e||{};b=d.parseAttributes(b,d.Line.ATTRIBUTE_NAMES);c(new d.Line([b.x1||0,b.y1||0,b.x2||0,b.y2||0],a(b,e)))},d.Line.fromObject=function(a,b){var c=e(a,!0);c.points=[a.x1,a.y1,a.x2,a.y2];d.Object._fromObject("Line",c,function(a){delete a.points;b&&b(a)},"points")})})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={}),d=Math.PI;b.Circle?b.warn("fabric.Circle is already defined."):(b.Circle=b.util.createClass(b.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*d,cacheProperties:b.Object.prototype.cacheProperties.concat("radius","startAngle","endAngle"),_set:function(a,b){this.callSuper("_set",a,b);"radius"===a&&this.setRadius(b);return this},toObject:function(a){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(a))},_toSVG:function(){var a; a=(this.endAngle-this.startAngle)%(2*d);if(0===a)a=["\x3ccircle ","COMMON_PARTS",'cx\x3d"0" cy\x3d"0" ','r\x3d"',this.radius,'" /\x3e\n'];else{var c=b.util.cos(this.startAngle)*this.radius,f=b.util.sin(this.startAngle)*this.radius,h=b.util.cos(this.endAngle)*this.radius,g=b.util.sin(this.endAngle)*this.radius;a=['\x3cpath d\x3d"M '+c+" "+f," A "+this.radius+" "+this.radius," 0 ",+(a>d?1:0)+" 1"," "+h+" "+g,'" ',"COMMON_PARTS"," /\x3e\n"]}return a},_render:function(a){a.beginPath();a.arc(0,0,this.radius, this.startAngle,this.endAngle,!1);this._renderPaintInOrder(a)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(a){this.radius=a;return this.set("width",2*a).set("height",2*a)}}),b.Circle.ATTRIBUTE_NAMES=b.SHARED_ATTRIBUTES.concat(["cx","cy","r"]),b.Circle.fromElement=function(a,c){a=b.parseAttributes(a,b.Circle.ATTRIBUTE_NAMES);if(!("radius"in a&&0<=a.radius))throw Error("value of `r` attribute is required and can not be negative"); a.left=(a.left||0)-a.radius;a.top=(a.top||0)-a.radius;c(new b.Circle(a))},b.Circle.fromObject=function(a,c){return b.Object._fromObject("Circle",a,c)})})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={});b.Triangle?b.warn("fabric.Triangle is already defined"):(b.Triangle=b.util.createClass(b.Object,{type:"triangle",width:100,height:100,_render:function(b){var a=this.width/2,c=this.height/2;b.beginPath();b.moveTo(-a,c);b.lineTo(0,-c);b.lineTo(a,c);b.closePath();this._renderPaintInOrder(b)},_renderDashedStroke:function(c){var a=this.width/2,e=this.height/2;c.beginPath();b.util.drawDashedLine(c,-a,e,0,-e,this.strokeDashArray);b.util.drawDashedLine(c,0,-e,a, e,this.strokeDashArray);b.util.drawDashedLine(c,a,e,-a,e,this.strokeDashArray);c.closePath()},_toSVG:function(){var b=this.width/2,a=this.height/2;return["\x3cpolygon ","COMMON_PARTS",'points\x3d"',[-b+" "+a,"0 "+-a,b+" "+a].join(),'" /\x3e']}}),b.Triangle.fromObject=function(c,a){return b.Object._fromObject("Triangle",c,a)})})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={}),d=2*Math.PI;b.Ellipse?b.warn("fabric.Ellipse is already defined."):(b.Ellipse=b.util.createClass(b.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:b.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(a){this.callSuper("initialize",a);this.set("rx",a&&a.rx||0);this.set("ry",a&&a.ry||0)},_set:function(a,b){this.callSuper("_set",a,b);switch(a){case "rx":this.rx=b;this.set("width",2*b);break;case "ry":this.ry=b,this.set("height",2*b)}return this}, getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(a){return this.callSuper("toObject",["rx","ry"].concat(a))},_toSVG:function(){return["\x3cellipse ","COMMON_PARTS",'cx\x3d"0" cy\x3d"0" ','rx\x3d"',this.rx,'" ry\x3d"',this.ry,'" /\x3e\n']},_render:function(a){a.beginPath();a.save();a.transform(1,0,0,this.ry/this.rx,0,0);a.arc(0,0,this.rx,0,d,!1);a.restore();this._renderPaintInOrder(a)}}),b.Ellipse.ATTRIBUTE_NAMES= b.SHARED_ATTRIBUTES.concat(["cx","cy","rx","ry"]),b.Ellipse.fromElement=function(a,c){a=b.parseAttributes(a,b.Ellipse.ATTRIBUTE_NAMES);a.left=(a.left||0)-a.rx;a.top=(a.top||0)-a.ry;c(new b.Ellipse(a))},b.Ellipse.fromObject=function(a,c){return b.Object._fromObject("Ellipse",a,c)})})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={}),d=b.util.object.extend;b.Rect?b.warn("fabric.Rect is already defined"):(b.Rect=b.util.createClass(b.Object,{stateProperties:b.Object.prototype.stateProperties.concat("rx","ry"),type:"rect",rx:0,ry:0,cacheProperties:b.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(a){this.callSuper("initialize",a);this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(a){var b= this.rx?Math.min(this.rx,this.width/2):0,c=this.ry?Math.min(this.ry,this.height/2):0,d=this.width,g=this.height,k=-this.width/2,n=-this.height/2,t=0!==b||0!==c;a.beginPath();a.moveTo(k+b,n);a.lineTo(k+d-b,n);t&&a.bezierCurveTo(k+d-.4477152502*b,n,k+d,n+.4477152502*c,k+d,n+c);a.lineTo(k+d,n+g-c);t&&a.bezierCurveTo(k+d,n+g-.4477152502*c,k+d-.4477152502*b,n+g,k+d-b,n+g);a.lineTo(k+b,n+g);t&&a.bezierCurveTo(k+.4477152502*b,n+g,k,n+g-.4477152502*c,k,n+g-c);a.lineTo(k,n+c);t&&a.bezierCurveTo(k,n+.4477152502* c,k+.4477152502*b,n,k+b,n);a.closePath();this._renderPaintInOrder(a)},_renderDashedStroke:function(a){var c=-this.width/2,d=-this.height/2,h=this.width,g=this.height;a.beginPath();b.util.drawDashedLine(a,c,d,c+h,d,this.strokeDashArray);b.util.drawDashedLine(a,c+h,d,c+h,d+g,this.strokeDashArray);b.util.drawDashedLine(a,c+h,d+g,c,d+g,this.strokeDashArray);b.util.drawDashedLine(a,c,d+g,c,d,this.strokeDashArray);a.closePath()},toObject:function(a){return this.callSuper("toObject",["rx","ry"].concat(a))}, _toSVG:function(){return["\x3crect ","COMMON_PARTS",'x\x3d"',-this.width/2,'" y\x3d"',-this.height/2,'" rx\x3d"',this.rx,'" ry\x3d"',this.ry,'" width\x3d"',this.width,'" height\x3d"',this.height,'" /\x3e\n']}}),b.Rect.ATTRIBUTE_NAMES=b.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),b.Rect.fromElement=function(a,c,f){if(!a)return c(null);f=f||{};a=b.parseAttributes(a,b.Rect.ATTRIBUTE_NAMES);a.left=a.left||0;a.top=a.top||0;f=new b.Rect(d(f?b.util.object.clone(f):{},a));f.visible=f.visible&& 0<f.width&&0<f.height;c(f)},b.Rect.fromObject=function(a,c){return b.Object._fromObject("Rect",a,c)})})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={}),d=b.util.object.extend,a=b.util.array.min,e=b.util.array.max,f=b.util.toFixed;b.Polyline?b.warn("fabric.Polyline is already defined"):(b.Polyline=b.util.createClass(b.Object,{type:"polyline",points:null,cacheProperties:b.Object.prototype.cacheProperties.concat("points"),initialize:function(a,b){b=b||{};this.points=a||[];this.callSuper("initialize",b);a=this._calcDimensions();"undefined"===typeof b.left&&(this.left=a.left);"undefined"===typeof b.top&&(this.top= a.top);this.width=a.width;this.height=a.height;this.pathOffset={x:a.left+this.width/2,y:a.top+this.height/2}},_calcDimensions:function(){var b=this.points,c=a(b,"x")||0,d=a(b,"y")||0,f=e(b,"x")||0,b=e(b,"y")||0;return{left:c,top:d,width:f-c,height:b-d}},toObject:function(a){return d(this.callSuper("toObject",a),{points:this.points.concat()})},_toSVG:function(){for(var a=[],c=this.pathOffset.x,e=this.pathOffset.y,d=b.Object.NUM_FRACTION_DIGITS,t=0,x=this.points.length;t<x;t++)a.push(f(this.points[t].x- c,d),",",f(this.points[t].y-e,d)," ");return["\x3c"+this.type+" ","COMMON_PARTS",'points\x3d"',a.join(""),'" /\x3e\n']},commonRender:function(a){var b,c=this.points.length,e=this.pathOffset.x,d=this.pathOffset.y;if(!c||isNaN(this.points[c-1].y))return!1;a.beginPath();a.moveTo(this.points[0].x-e,this.points[0].y-d);for(var f=0;f<c;f++)b=this.points[f],a.lineTo(b.x-e,b.y-d);return!0},_render:function(a){this.commonRender(a)&&this._renderPaintInOrder(a)},_renderDashedStroke:function(a){var c,e;a.beginPath(); for(var d=0,f=this.points.length;d<f;d++)c=this.points[d],e=this.points[d+1]||c,b.util.drawDashedLine(a,c.x,c.y,e.x,e.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),b.Polyline.ATTRIBUTE_NAMES=b.SHARED_ATTRIBUTES.concat(),b.Polyline.fromElement=function(a,c,e){if(!a)return c(null);e||(e={});var d=b.parsePointsAttribute(a.getAttribute("points"));a=b.parseAttributes(a,b.Polyline.ATTRIBUTE_NAMES);c(new b.Polyline(d,b.util.object.extend(a,e)))},b.Polyline.fromObject= function(a,c){return b.Object._fromObject("Polyline",a,c,"points")})})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={}),d=b.util.object.extend;b.Polygon?b.warn("fabric.Polygon is already defined"):(b.Polygon=b.util.createClass(b.Polyline,{type:"polygon",_render:function(a){this.commonRender(a)&&(a.closePath(),this._renderPaintInOrder(a))},_renderDashedStroke:function(a){this.callSuper("_renderDashedStroke",a);a.closePath()}}),b.Polygon.ATTRIBUTE_NAMES=b.SHARED_ATTRIBUTES.concat(),b.Polygon.fromElement=function(a,c,f){if(!a)return c(null);f||(f={});var e=b.parsePointsAttribute(a.getAttribute("points")); a=b.parseAttributes(a,b.Polygon.ATTRIBUTE_NAMES);c(new b.Polygon(e,d(a,f)))},b.Polygon.fromObject=function(a,c){return b.Object._fromObject("Polygon",a,c,"points")})})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={}),d=b.util.array.min,a=b.util.array.max,e=b.util.object.extend,f=Object.prototype.toString,h=b.util.drawArc,g=b.util.toFixed,k={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},n={m:"l",M:"L"};b.Path?b.warn("fabric.Path is already defined"):(b.Path=b.util.createClass(b.Object,{type:"path",path:null,cacheProperties:b.Object.prototype.cacheProperties.concat("path","fillRule"),stateProperties:b.Object.prototype.stateProperties.concat("path"),initialize:function(a,b){b=b|| {};this.callSuper("initialize",b);a||(a=[]);var c="[object Array]"===f.call(a);if(this.path=c?a:a.match&&a.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi))c||(this.path=this._parsePath()),this._setPositionDimensions(b)},_setPositionDimensions:function(a){var b=this._parseDimensions();this.width=b.width;this.height=b.height;"undefined"===typeof a.left&&(this.left=b.left);"undefined"===typeof a.top&&(this.top=b.top);this.pathOffset=this.pathOffset||{x:b.left+this.width/2,y:b.top+this.height/2}},_renderPathCommands:function(a){var b, c=null,e=0,d=0,f=0,l=0,g=0,k=0,m,y,z=-this.pathOffset.x,w=-this.pathOffset.y;a.beginPath();for(var A=0,u=this.path.length;A<u;++A){b=this.path[A];switch(b[0]){case "l":f+=b[1];l+=b[2];a.lineTo(f+z,l+w);break;case "L":f=b[1];l=b[2];a.lineTo(f+z,l+w);break;case "h":f+=b[1];a.lineTo(f+z,l+w);break;case "H":f=b[1];a.lineTo(f+z,l+w);break;case "v":l+=b[1];a.lineTo(f+z,l+w);break;case "V":l=b[1];a.lineTo(f+z,l+w);break;case "m":f+=b[1];l+=b[2];e=f;d=l;a.moveTo(f+z,l+w);break;case "M":f=b[1];l=b[2];e=f; d=l;a.moveTo(f+z,l+w);break;case "c":m=f+b[5];y=l+b[6];g=f+b[3];k=l+b[4];a.bezierCurveTo(f+b[1]+z,l+b[2]+w,g+z,k+w,m+z,y+w);f=m;l=y;break;case "C":f=b[5];l=b[6];g=b[3];k=b[4];a.bezierCurveTo(b[1]+z,b[2]+w,g+z,k+w,f+z,l+w);break;case "s":m=f+b[3];y=l+b[4];null===c[0].match(/[CcSs]/)?(g=f,k=l):(g=2*f-g,k=2*l-k);a.bezierCurveTo(g+z,k+w,f+b[1]+z,l+b[2]+w,m+z,y+w);g=f+b[1];k=l+b[2];f=m;l=y;break;case "S":m=b[3];y=b[4];null===c[0].match(/[CcSs]/)?(g=f,k=l):(g=2*f-g,k=2*l-k);a.bezierCurveTo(g+z,k+w,b[1]+ z,b[2]+w,m+z,y+w);f=m;l=y;g=b[1];k=b[2];break;case "q":m=f+b[3];y=l+b[4];g=f+b[1];k=l+b[2];a.quadraticCurveTo(g+z,k+w,m+z,y+w);f=m;l=y;break;case "Q":m=b[3];y=b[4];a.quadraticCurveTo(b[1]+z,b[2]+w,m+z,y+w);f=m;l=y;g=b[1];k=b[2];break;case "t":m=f+b[1];y=l+b[2];null===c[0].match(/[QqTt]/)?(g=f,k=l):(g=2*f-g,k=2*l-k);a.quadraticCurveTo(g+z,k+w,m+z,y+w);f=m;l=y;break;case "T":m=b[1];y=b[2];null===c[0].match(/[QqTt]/)?(g=f,k=l):(g=2*f-g,k=2*l-k);a.quadraticCurveTo(g+z,k+w,m+z,y+w);f=m;l=y;break;case "a":h(a, f+z,l+w,[b[1],b[2],b[3],b[4],b[5],b[6]+f+z,b[7]+l+w]);f+=b[6];l+=b[7];break;case "A":h(a,f+z,l+w,[b[1],b[2],b[3],b[4],b[5],b[6]+z,b[7]+w]);f=b[6];l=b[7];break;case "z":case "Z":f=e,l=d,a.closePath()}c=b}},_render:function(a){this._renderPathCommands(a);this._renderPaintInOrder(a)},toString:function(){return"#\x3cfabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }\x3e"},toObject:function(a){return e(this.callSuper("toObject",a),{path:this.path.map(function(a){return a.slice()}), top:this.top,left:this.left})},toDatalessObject:function(a){a=this.toObject(["sourcePath"].concat(a));a.sourcePath&&delete a.path;return a},_toSVG:function(){return["\x3cpath ","COMMON_PARTS",'d\x3d"',this.path.map(function(a){return a.join(" ")}).join(" "),'" stroke-linecap\x3d"round" ',"/\x3e\n"]},_getOffsetTransform:function(){var a=b.Object.NUM_FRACTION_DIGITS;return" translate("+g(-this.pathOffset.x,a)+", "+g(-this.pathOffset.y,a)+")"},toClipPathSVG:function(a){var b=this._getOffsetTransform(); return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(),{reviver:a,additionalTransform:b})},toSVG:function(a){var b=this._getOffsetTransform();return this._createBaseSVGMarkup(this._toSVG(),{reviver:a,additionalTransform:b})},complexity:function(){return this.path.length},_parsePath:function(){for(var a=[],b=[],c,e,d=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/ig,f,l=0,h=this.path.length;l<h;l++){c=this.path[l];f=c.slice(1).trim();for(b.length=0;e=d.exec(f);)b.push(e[0]);c=[c.charAt(0)]; f=0;for(var g=b.length;f<g;f++)e=parseFloat(b[f]),isNaN(e)||c.push(e);e=c[0];f=k[e.toLowerCase()];g=n[e]||e;if(c.length-1>f)for(var m=1,y=c.length;m<y;m+=f)a.push([e].concat(c.slice(m,m+f))),e=g;else a.push(c)}return a},_parseDimensions:function(){for(var c=[],e=[],f,v=null,p=0,h=0,l=0,g=0,k=0,m=0,y,z,w,A=0,u=this.path.length;A<u;++A){f=this.path[A];switch(f[0]){case "l":l+=f[1];g+=f[2];w=[];break;case "L":l=f[1];g=f[2];w=[];break;case "h":l+=f[1];w=[];break;case "H":l=f[1];w=[];break;case "v":g+= f[1];w=[];break;case "V":g=f[1];w=[];break;case "m":l+=f[1];g+=f[2];p=l;h=g;w=[];break;case "M":l=f[1];g=f[2];p=l;h=g;w=[];break;case "c":y=l+f[5];z=g+f[6];k=l+f[3];m=g+f[4];w=b.util.getBoundsOfCurve(l,g,l+f[1],g+f[2],k,m,y,z);l=y;g=z;break;case "C":k=f[3];m=f[4];w=b.util.getBoundsOfCurve(l,g,f[1],f[2],k,m,f[5],f[6]);l=f[5];g=f[6];break;case "s":y=l+f[3];z=g+f[4];null===v[0].match(/[CcSs]/)?(k=l,m=g):(k=2*l-k,m=2*g-m);w=b.util.getBoundsOfCurve(l,g,k,m,l+f[1],g+f[2],y,z);k=l+f[1];m=g+f[2];l=y;g=z; break;case "S":y=f[3];z=f[4];null===v[0].match(/[CcSs]/)?(k=l,m=g):(k=2*l-k,m=2*g-m);w=b.util.getBoundsOfCurve(l,g,k,m,f[1],f[2],y,z);l=y;g=z;k=f[1];m=f[2];break;case "q":y=l+f[3];z=g+f[4];k=l+f[1];m=g+f[2];w=b.util.getBoundsOfCurve(l,g,k,m,k,m,y,z);l=y;g=z;break;case "Q":k=f[1];m=f[2];w=b.util.getBoundsOfCurve(l,g,k,m,k,m,f[3],f[4]);l=f[3];g=f[4];break;case "t":y=l+f[1];z=g+f[2];null===v[0].match(/[QqTt]/)?(k=l,m=g):(k=2*l-k,m=2*g-m);w=b.util.getBoundsOfCurve(l,g,k,m,k,m,y,z);l=y;g=z;break;case "T":y= f[1];z=f[2];null===v[0].match(/[QqTt]/)?(k=l,m=g):(k=2*l-k,m=2*g-m);w=b.util.getBoundsOfCurve(l,g,k,m,k,m,y,z);l=y;g=z;break;case "a":w=b.util.getBoundsOfArc(l,g,f[1],f[2],f[3],f[4],f[5],f[6]+l,f[7]+g);l+=f[6];g+=f[7];break;case "A":w=b.util.getBoundsOfArc(l,g,f[1],f[2],f[3],f[4],f[5],f[6],f[7]);l=f[6];g=f[7];break;case "z":case "Z":l=p,g=h}v=f;w.forEach(function(a){c.push(a.x);e.push(a.y)});c.push(l);e.push(g)}f=d(c)||0;v=d(e)||0;p=a(c)||0;h=a(e)||0;return{left:f,top:v,width:p-f,height:h-v}}}),b.Path.fromObject= function(a,c){"string"===typeof a.sourcePath?b.loadSVGFromURL(a.sourcePath,function(b){b=b[0];b.setOptions(a);c&&c(b)}):b.Object._fromObject("Path",a,c,"path")},b.Path.ATTRIBUTE_NAMES=b.SHARED_ATTRIBUTES.concat(["d"]),b.Path.fromElement=function(a,c,d){a=b.parseAttributes(a,b.Path.ATTRIBUTE_NAMES);c(new b.Path(a.d,e(a,d)))})})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={}),d=b.util.array.min,a=b.util.array.max;b.Group||(b.Group=b.util.createClass(b.Object,b.Collection,{type:"group",strokeWidth:0,subTargetCheck:!1,cacheProperties:[],useSetOnGroup:!1,initialize:function(a,b,c){b=b||{};this._objects=[];c&&this.callSuper("initialize",b);this._objects=a||[];for(a=this._objects.length;a--;)this._objects[a].group=this;c?this._updateObjectsACoords():(c=b&&b.centerPoint,void 0!==b.originX&&(this.originX=b.originX),void 0!==b.originY&& (this.originY=b.originY),c||this._calcBounds(),this._updateObjectsCoords(c),delete b.centerPoint,this.callSuper("initialize",b));this.setCoords()},_updateObjectsACoords:function(){for(var a=this._objects.length;a--;)this._objects[a].setCoords(!0,!0)},_updateObjectsCoords:function(a){a=a||this.getCenterPoint();for(var b=this._objects.length;b--;)this._updateObjectCoords(this._objects[b],a)},_updateObjectCoords:function(a,b){a.set({left:a.left-b.x,top:a.top-b.y});a.group=this;a.setCoords(!0,!0)},toString:function(){return"#\x3cfabric.Group: ("+ this.complexity()+")\x3e"},addWithUpdate:function(a){this._restoreObjectsState();b.util.resetObjectTransform(this);a&&(this._objects.push(a),a.group=this,a._set("canvas",this.canvas));this._calcBounds();this._updateObjectsCoords();this.setCoords();this.dirty=!0;return this},removeWithUpdate:function(a){this._restoreObjectsState();b.util.resetObjectTransform(this);this.remove(a);this._calcBounds();this._updateObjectsCoords();this.setCoords();this.dirty=!0;return this},_onObjectAdded:function(a){this.dirty= !0;a.group=this;a._set("canvas",this.canvas)},_onObjectRemoved:function(a){this.dirty=!0;delete a.group},_set:function(a,c){var e=this._objects.length;if(this.useSetOnGroup)for(;e--;)this._objects[e].setOnGroup(a,c);if("canvas"===a)for(;e--;)this._objects[e]._set(a,c);b.Object.prototype._set.call(this,a,c)},toObject:function(a){var c=this.includeDefaultValues,e=this._objects.map(function(b){var e=b.includeDefaultValues;b.includeDefaultValues=c;var d=b.toObject(a);b.includeDefaultValues=e;return d}), d=b.Object.prototype.toObject.call(this,a);d.objects=e;return d},toDatalessObject:function(a){var c;c=this.sourcePath;if(!c){var e=this.includeDefaultValues;c=this._objects.map(function(b){var c=b.includeDefaultValues;b.includeDefaultValues=e;var d=b.toDatalessObject(a);b.includeDefaultValues=c;return d})}var d=b.Object.prototype.toDatalessObject.call(this,a);d.objects=c;return d},render:function(a){this._transformDone=!0;this.callSuper("render",a);this._transformDone=!1},shouldCache:function(){var a= this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache());if(this.ownCaching=a)for(var b=0,c=this._objects.length;b<c;b++)if(this._objects[b].willDrawShadow())return this.ownCaching=!1;return a},willDrawShadow:function(){if(this.shadow)return b.Object.prototype.willDrawShadow.call(this);for(var a=0,c=this._objects.length;a<c;a++)if(this._objects[a].willDrawShadow())return!0;return!1},isOnACache:function(){return this.ownCaching||this.group&&this.group.isOnACache()},drawObject:function(a){for(var b= 0,c=this._objects.length;b<c;b++)this._objects[b].render(a);this._drawClipPath(a)},isCacheDirty:function(a){if(this.callSuper("isCacheDirty",a))return!0;if(!this.statefullCache)return!1;a=0;for(var b=this._objects.length;a<b;a++)if(this._objects[a].isCacheDirty(!0))return this._cacheCanvas&&(a=this.cacheWidth/this.zoomX,b=this.cacheHeight/this.zoomY,this._cacheContext.clearRect(-a/2,-b/2,a,b)),!0;return!1},_restoreObjectsState:function(){this._objects.forEach(this._restoreObjectState,this);return this}, realizeTransform:function(a){var c=a.calcTransformMatrix(),c=b.util.qrDecompose(c),e=new b.Point(c.translateX,c.translateY);a.flipX=!1;a.flipY=!1;a.set("scaleX",c.scaleX);a.set("scaleY",c.scaleY);a.skewX=c.skewX;a.skewY=c.skewY;a.angle=c.angle;a.setPositionByOrigin(e,"center","center");return a},_restoreObjectState:function(a){this.realizeTransform(a);a.setCoords();delete a.group;return this},destroy:function(){this._objects.forEach(function(a){a.set("dirty",!0)});return this._restoreObjectsState()}, toActiveSelection:function(){if(this.canvas){var a=this._objects,c=this.canvas;this._objects=[];var d=this.toObject();delete d.objects;var g=new b.ActiveSelection([]);g.set(d);g.type="activeSelection";c.remove(this);a.forEach(function(a){a.group=g;a.dirty=!0;c.add(a)});g.canvas=c;g._objects=a;c._activeObject=g;g.setCoords();return g}},ungroupOnCanvas:function(){return this._restoreObjectsState()},setObjectsCoords:function(){this.forEachObject(function(a){a.setCoords(!0,!0)});return this},_calcBounds:function(a){for(var b= [],c=[],e,d,n=["tr","br","bl","tl"],t=0,x=this._objects.length,r,v=n.length;t<x;++t)for(e=this._objects[t],e.setCoords(!0),r=0;r<v;r++)d=n[r],b.push(e.oCoords[d].x),c.push(e.oCoords[d].y);this._getBounds(b,c,a)},_getBounds:function(c,f,h){var e=new b.Point(d(c),d(f));c=new b.Point(a(c),a(f));f=e.y||0;var k=e.x||0,n=c.y-e.y||0;this.width=c.x-e.x||0;this.height=n;h||this.setPositionByOrigin({x:k,y:f},"left","top")},toSVG:function(a){for(var b=[],c=0,e=this._objects.length;c<e;c++)b.push("\t",this._objects[c].toSVG(a)); return this._createBaseSVGMarkup(b,{reviver:a,noStyle:!0,withShadow:!0})},toClipPathSVG:function(a){for(var b=[],c=0,e=this._objects.length;c<e;c++)b.push("\t",this._objects[c].toClipPathSVG(a));return this._createBaseClipPathSVGMarkup(b,{reviver:a})}}),b.Group.fromObject=function(a,c){b.util.enlivenObjects(a.objects,function(e){b.util.enlivenObjects([a.clipPath],function(d){var f=b.util.object.clone(a,!0);f.clipPath=d[0];delete f.objects;c&&c(new b.Group(e,f,!0))})})})})("undefined"!==typeof exports? exports:this); (function(c){var b=c.fabric||(c.fabric={});b.ActiveSelection||(b.ActiveSelection=b.util.createClass(b.Group,{type:"activeSelection",initialize:function(c,a){a=a||{};this._objects=c||[];for(c=this._objects.length;c--;)this._objects[c].group=this;a.originX&&(this.originX=a.originX);a.originY&&(this.originY=a.originY);this._calcBounds();this._updateObjectsCoords();b.Object.prototype.initialize.call(this,a);this.setCoords()},toGroup:function(){var c=this._objects.concat();this._objects=[];var a=b.Object.prototype.toObject.call(this), e=new b.Group([]);delete a.type;e.set(a);c.forEach(function(a){a.canvas.remove(a);a.group=e});e._objects=c;if(!this.canvas)return e;c=this.canvas;c.add(e);c._activeObject=e;e.setCoords();return e},onDeselect:function(){this.destroy();return!1},toString:function(){return"#\x3cfabric.ActiveSelection: ("+this.complexity()+")\x3e"},shouldCache:function(){return!1},isOnACache:function(){return!1},_renderControls:function(b,a,c){b.save();b.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1;this.callSuper("_renderControls", b,a);c=c||{};"undefined"===typeof c.hasControls&&(c.hasControls=!1);"undefined"===typeof c.hasRotatingPoint&&(c.hasRotatingPoint=!1);c.forActiveSelection=!0;a=0;for(var e=this._objects.length;a<e;a++)this._objects[a]._renderControls(b,c);b.restore()}}),b.ActiveSelection.fromObject=function(c,a){b.util.enlivenObjects(c.objects,function(e){delete c.objects;a&&a(new b.ActiveSelection(e,c,!0))})})})("undefined"!==typeof exports?exports:this); (function(c){var b=fabric.util.object.extend;c.fabric||(c.fabric={});c.fabric.Image?fabric.warn("fabric.Image is already defined."):(fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",crossOrigin:"",strokeWidth:0,srcFromAttribute:!1,_lastScaleX:1,_lastScaleY:1,_filterScalingX:1,_filterScalingY:1,minimumScaleTrigger:.5,stateProperties:fabric.Object.prototype.stateProperties.concat("cropX","cropY"),cacheKey:"",cropX:0,cropY:0,initialize:function(b,a){a||(a={});this.filters=[];this.cacheKey= "texture"+fabric.Object.__uid++;this.callSuper("initialize",a);this._initElement(b,a)},getElement:function(){return this._element||{}},setElement:function(b,a){this.removeTexture(this.cacheKey);this.removeTexture(this.cacheKey+"_filtered");this._originalElement=this._element=b;this._initConfig(a);0!==this.filters.length&&this.applyFilters();this.resizeFilter&&this.applyResizeFilters();return this},removeTexture:function(b){var a=fabric.filterBackend;a&&a.evictCachesForKey&&a.evictCachesForKey(b)}, dispose:function(){this.removeTexture(this.cacheKey);this.removeTexture(this.cacheKey+"_filtered");this._cacheContext=void 0;["_originalElement","_element","_filteredEl","_cacheCanvas"].forEach(function(b){fabric.util.cleanUpJsdomNode(this[b]);this[b]=void 0}.bind(this))},setCrossOrigin:function(b){this.crossOrigin=b;this._element.crossOrigin=b;return this},getOriginalSize:function(){var b=this.getElement();return{width:b.naturalWidth||b.width,height:b.naturalHeight||b.height}},_stroke:function(b){if(this.stroke&& 0!==this.strokeWidth){var a=this.width/2,c=this.height/2;b.beginPath();b.moveTo(-a,-c);b.lineTo(a,-c);b.lineTo(a,c);b.lineTo(-a,c);b.lineTo(-a,-c);b.closePath()}},_renderDashedStroke:function(b){var a=-this.width/2,c=-this.height/2,d=this.width,h=this.height;b.save();this._setStrokeStyles(b,this);b.beginPath();fabric.util.drawDashedLine(b,a,c,a+d,c,this.strokeDashArray);fabric.util.drawDashedLine(b,a+d,c,a+d,c+h,this.strokeDashArray);fabric.util.drawDashedLine(b,a+d,c+h,a,c+h,this.strokeDashArray); fabric.util.drawDashedLine(b,a,c+h,a,c,this.strokeDashArray);b.closePath();b.restore()},toObject:function(c){var a=[];this.filters.forEach(function(b){b&&a.push(b.toObject())});c=b(this.callSuper("toObject",["crossOrigin","cropX","cropY"].concat(c)),{src:this.getSrc(),filters:a});this.resizeFilter&&(c.resizeFilter=this.resizeFilter.toObject());return c},hasCrop:function(){return this.cropX||this.cropY||this.width<this._element.width||this.height<this._element.height},_toSVG:function(){var b=[],a= [],c,f=-this.width/2,h=-this.height/2,g="";this.hasCrop()&&(g=fabric.Object.__uid++,b.push('\x3cclipPath id\x3d"imageCrop_'+g+'"\x3e\n','\t\x3crect x\x3d"'+f+'" y\x3d"'+h+'" width\x3d"'+this.width+'" height\x3d"'+this.height+'" /\x3e\n',"\x3c/clipPath\x3e\n"),g=' clip-path\x3d"url(#imageCrop_'+g+')" ');a.push("\t\x3cimage ","COMMON_PARTS",'xlink:href\x3d"',this.getSvgSrc(!0),'" x\x3d"',f-this.cropX,'" y\x3d"',h-this.cropY,'" width\x3d"',this._element.width||this._element.naturalWidth,'" height\x3d"', this._element.height||this._element.height,'"',g,"\x3e\x3c/image\x3e\n");if(this.stroke||this.strokeDashArray)g=this.fill,this.fill=null,c=["\t\x3crect ",'x\x3d"',f,'" y\x3d"',h,'" width\x3d"',this.width,'" height\x3d"',this.height,'" style\x3d"',this.getSvgStyles(),'"/\x3e\n'],this.fill=g;return b="fill"!==this.paintFirst?b.concat(c,a):b.concat(a,c)},getSrc:function(b){return(b=b?this._element:this._originalElement)?b.toDataURL?b.toDataURL():this.srcFromAttribute?b.getAttribute("src"):b.src:this.src|| ""},setSrc:function(b,a,c){fabric.util.loadImage(b,function(b){this.setElement(b,c);this._setWidthHeight();a&&a(this)},this,c&&c.crossOrigin);return this},toString:function(){return'#\x3cfabric.Image: { src: "'+this.getSrc()+'" }\x3e'},applyResizeFilters:function(){var b=this.resizeFilter,a=this.minimumScaleTrigger,c=this.getTotalObjectScaling(),f=c.scaleX,c=c.scaleY,h=this._filteredEl||this._originalElement;this.group&&this.set("dirty",!0);if(!b||f>a&&c>a)this._element=h,this._filterScalingY=this._filterScalingX= 1,this._lastScaleX=f,this._lastScaleY=c;else{fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend());var a=fabric.util.createCanvasElement(),g=this._filteredEl?this.cacheKey+"_filtered":this.cacheKey,k=h.width,n=h.height;a.width=k;a.height=n;this._element=a;this._lastScaleX=b.scaleX=f;this._lastScaleY=b.scaleY=c;fabric.filterBackend.applyFilters([b],h,k,n,this._element,g);this._filterScalingX=a.width/this._originalElement.width;this._filterScalingY=a.height/this._originalElement.height}}, applyFilters:function(b){b=b||this.filters||[];b=b.filter(function(a){return a&&!a.isNeutralState()});this.set("dirty",!0);this.removeTexture(this.cacheKey+"_filtered");if(0===b.length)return this._element=this._originalElement,this._filteredEl=null,this._filterScalingY=this._filterScalingX=1,this;var a=this._originalElement,c=a.naturalWidth||a.width,a=a.naturalHeight||a.height;if(this._element===this._originalElement){var d=fabric.util.createCanvasElement();d.width=c;d.height=a;this._filteredEl= this._element=d}else this._element=this._filteredEl,this._filteredEl.getContext("2d").clearRect(0,0,c,a),this._lastScaleY=this._lastScaleX=1;fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend());fabric.filterBackend.applyFilters(b,this._originalElement,c,a,this._element,this.cacheKey);if(this._originalElement.width!==this._element.width||this._originalElement.height!==this._element.height)this._filterScalingX=this._element.width/this._originalElement.width,this._filterScalingY=this._element.height/ this._originalElement.height;return this},_render:function(b){!0!==this.isMoving&&this.resizeFilter&&this._needsResize()&&this.applyResizeFilters();this._stroke(b);this._renderPaintInOrder(b)},shouldCache:function(){return this.ownCaching=this.objectCaching&&this.needsItsOwnCache()},_renderFill:function(b){var a=this._element,c=this.width,d=this.height,h=Math.min(a.naturalWidth||a.width,c*this._filterScalingX),g=Math.min(a.naturalHeight||a.height,d*this._filterScalingY),k=Math.max(0,this.cropX*this._filterScalingX), n=Math.max(0,this.cropY*this._filterScalingY);a&&b.drawImage(a,k,n,h,g,-c/2,-d/2,c,d)},_needsResize:function(){var b=this.getTotalObjectScaling();return b.scaleX!==this._lastScaleX||b.scaleY!==this._lastScaleY},_resetWidthHeight:function(){this.set(this.getOriginalSize())},_initElement:function(b,a){this.setElement(fabric.util.getById(b),a);fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(b){b||(b={});this.setOptions(b);this._setWidthHeight(b);this._element&&this.crossOrigin&& (this._element.crossOrigin=this.crossOrigin)},_initFilters:function(b,a){b&&b.length?fabric.util.enlivenObjects(b,function(b){a&&a(b)},"fabric.Image.filters"):a&&a()},_setWidthHeight:function(b){b||(b={});var a=this.getElement();this.width=b.width||a.naturalWidth||a.width||0;this.height=b.height||a.naturalHeight||a.height||0},parsePreserveAspectRatioAttribute:function(){var b=fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio||""),a=this._element.width,c=this._element.height,f= 1,h=1,g=0,k=0,n=0,t=0,x,r=this.width,v=this.height,p={width:r,height:v};!b||"none"===b.alignX&&"none"===b.alignY?(f=r/a,h=v/c):("meet"===b.meetOrSlice&&(f=h=fabric.util.findScaleToFit(this._element,p),x=(r-a*f)/2,"Min"===b.alignX&&(g=-x),"Max"===b.alignX&&(g=x),x=(v-c*h)/2,"Min"===b.alignY&&(k=-x),"Max"===b.alignY&&(k=x)),"slice"===b.meetOrSlice&&(f=h=fabric.util.findScaleToCover(this._element,p),x=a-r/f,"Mid"===b.alignX&&(n=x/2),"Max"===b.alignX&&(n=x),x=c-v/h,"Mid"===b.alignY&&(t=x/2),"Max"===b.alignY&& (t=x),a=r/f,c=v/h));return{width:a,height:c,scaleX:f,scaleY:h,offsetLeft:g,offsetTop:k,cropX:n,cropY:t}}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(b,a){var c=fabric.util.object.clone(b);fabric.util.loadImage(c.src,function(b,e){e?a&&a(null,e):fabric.Image.prototype._initFilters.call(c,c.filters,function(e){c.filters=e||[];fabric.Image.prototype._initFilters.call(c,[c.resizeFilter],function(e){c.resizeFilter= e[0];fabric.util.enlivenObjects([c.clipPath],function(e){c.clipPath=e[0];e=new fabric.Image(b,c);a(e)})})})},null,c.crossOrigin)},fabric.Image.fromURL=function(b,a,c){fabric.util.loadImage(b,function(b){a&&a(new fabric.Image(b,c))},null,c&&c.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")),fabric.Image.fromElement=function(c,a,e){c=fabric.parseAttributes(c,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(c["xlink:href"], a,b(e?fabric.util.object.clone(e):{},c))})})("undefined"!==typeof exports?exports:this); fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var c=this.angle%360;return 0<c?90*Math.round((c-1)/90):90*Math.round(c/90)},straighten:function(){this.rotate(this._getAngleValueForStraighten());return this},fxStraighten:function(c){c=c||{};var b=function(){},d=c.onComplete||b,a=c.onChange||b,e=this;fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(b){e.rotate(b);a()}, onComplete:function(){e.setCoords();d()}});return this}});fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(c){c.straighten();this.requestRenderAll();return this},fxStraightenObject:function(c){c.fxStraighten({onChange:this.requestRenderAllBound});return this}}); (function(){function c(b){b&&b.tileSize&&(this.tileSize=b.tileSize);this.setupGLContext(this.tileSize,this.tileSize);this.captureGPUInfo()}fabric.isWebglSupported=function(b){if(fabric.isLikelyNode)return!1;b=b||fabric.WebglFilterBackend.prototype.tileSize;var c=document.createElement("canvas"),c=c.getContext("webgl")||c.getContext("experimental-webgl"),a=!1;if(c){fabric.maxTextureSize=c.getParameter(c.MAX_TEXTURE_SIZE);a=fabric.maxTextureSize>=b;b=["highp","mediump","lowp"];for(var e=0;3>e;e++){var f; f=c;var h="precision "+b[e]+" float;\nvoid main(){}",g=f.createShader(f.FRAGMENT_SHADER);f.shaderSource(g,h);f.compileShader(g);f=f.getShaderParameter(g,f.COMPILE_STATUS)?!0:!1;if(f){fabric.webGlPrecision=b[e];break}}}return this.isSupported=a};fabric.WebglFilterBackend=c;c.prototype={tileSize:2048,resources:{},setupGLContext:function(b,c){this.dispose();this.createWebGLCanvas(b,c);this.aPosition=new Float32Array([0,0,0,1,1,0,1,1]);this.chooseFastestCopyGLTo2DMethod(b,c)},chooseFastestCopyGLTo2DMethod:function(b, c){var a="undefined"!==typeof window.performance,e;try{new ImageData(1,1),e=!0}catch(g){e=!1}var d="undefined"!==typeof ArrayBuffer,h="undefined"!==typeof Uint8ClampedArray;a&&e&&d&&h&&(d=fabric.util.createCanvasElement(),a=new ArrayBuffer(b*c*4),e={imageBuffer:a,destinationWidth:b,destinationHeight:c,targetCanvas:d},d.width=b,d.height=c,c=window.performance.now(),copyGLTo2DDrawImage.call(e,this.gl,e),b=window.performance.now()-c,c=window.performance.now(),copyGLTo2DPutImageData.call(e,this.gl,e), c=window.performance.now()-c,b>c?(this.imageBuffer=a,this.copyGLTo2D=copyGLTo2DPutImageData):this.copyGLTo2D=copyGLTo2DDrawImage)},createWebGLCanvas:function(b,c){var a=fabric.util.createCanvasElement();a.width=b;a.height=c;b={alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1};(c=a.getContext("webgl",b))||(c=a.getContext("experimental-webgl",b));c&&(c.clearColor(0,0,0,0),this.canvas=a,this.gl=c)},applyFilters:function(b,c,a,e,f,h){var d=this.gl,k;h&&(k=this.getCachedTexture(h,c));var n= {originalWidth:c.width||c.originalWidth,originalHeight:c.height||c.originalHeight,sourceWidth:a,sourceHeight:e,destinationWidth:a,destinationHeight:e,context:d,sourceTexture:this.createTexture(d,a,e,!k&&c),targetTexture:this.createTexture(d,a,e),originalTexture:k||this.createTexture(d,a,e,!k&&c),passes:b.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:f};c=d.createFramebuffer();d.bindFramebuffer(d.FRAMEBUFFER,c);b.forEach(function(a){a&& a.applyTo(n)});resizeCanvasIfNeeded(n);this.copyGLTo2D(d,n);d.bindTexture(d.TEXTURE_2D,null);d.deleteTexture(n.sourceTexture);d.deleteTexture(n.targetTexture);d.deleteFramebuffer(c);f.getContext("2d").setTransform(1,0,0,1,0,0);return n},dispose:function(){this.canvas&&(this.gl=this.canvas=null);this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={};this.textureCache={}},createTexture:function(b,c,a,e){var d=b.createTexture();b.bindTexture(b.TEXTURE_2D,d);b.texParameteri(b.TEXTURE_2D, b.TEXTURE_MAG_FILTER,b.NEAREST);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MIN_FILTER,b.NEAREST);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_S,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_T,b.CLAMP_TO_EDGE);e?b.texImage2D(b.TEXTURE_2D,0,b.RGBA,b.RGBA,b.UNSIGNED_BYTE,e):b.texImage2D(b.TEXTURE_2D,0,b.RGBA,c,a,0,b.RGBA,b.UNSIGNED_BYTE,null);return d},getCachedTexture:function(b,c){if(this.textureCache[b])return this.textureCache[b];c=this.createTexture(this.gl,c.width,c.height,c);return this.textureCache[b]= c},evictCachesForKey:function(b){this.textureCache[b]&&(this.gl.deleteTexture(this.textureCache[b]),delete this.textureCache[b])},copyGLTo2D:copyGLTo2DDrawImage,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var b=this.gl,c={renderer:"",vendor:""};if(!b)return c;var a=b.getExtension("WEBGL_debug_renderer_info");if(a){var e=b.getParameter(a.UNMASKED_RENDERER_WEBGL),b=b.getParameter(a.UNMASKED_VENDOR_WEBGL);e&&(c.renderer=e.toLowerCase());b&&(c.vendor=b.toLowerCase())}return this.gpuInfo= c}}})();function resizeCanvasIfNeeded(c){var b=c.targetCanvas,d=b.height,a=c.destinationWidth;c=c.destinationHeight;if(b.width!==a||d!==c)b.width=a,b.height=c}function copyGLTo2DDrawImage(c,b){c=c.canvas;b=b.targetCanvas;var d=b.getContext("2d");d.translate(0,b.height);d.scale(1,-1);d.drawImage(c,0,c.height-b.height,b.width,b.height,0,0,b.width,b.height)} function copyGLTo2DPutImageData(c,b){var d=b.targetCanvas.getContext("2d"),a=b.destinationWidth;b=b.destinationHeight;var e=a*b*4,f=new Uint8Array(this.imageBuffer,0,e),e=new Uint8ClampedArray(this.imageBuffer,0,e);c.readPixels(0,0,a,b,c.RGBA,c.UNSIGNED_BYTE,f);c=new ImageData(e,a,b);d.putImageData(c,0,0)} (function(){function c(){}var b=function(){};fabric.Canvas2dFilterBackend=c;c.prototype={evictCachesForKey:b,dispose:b,clearWebGLCaches:b,resources:{},applyFilters:function(b,a,c,f,h){var e=h.getContext("2d");e.drawImage(a,0,0,c,f);var d=e.getImageData(0,0,c,f),n=e.getImageData(0,0,c,f),t={sourceWidth:c,sourceHeight:f,imageData:d,originalEl:a,originalImageData:n,canvasEl:h,ctx:e,filterBackend:this};b.forEach(function(a){a.applyTo(t)});if(t.imageData.width!==c||t.imageData.height!==f)h.width=t.imageData.width, h.height=t.imageData.height;e.putImageData(t.imageData,0,0);return t}}})();fabric.Image=fabric.Image||{};fabric.Image.filters=fabric.Image.filters||{}; fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord \x3d aPosition;\ngl_Position \x3d vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2D uTexture;\nvoid main() {\ngl_FragColor \x3d texture2D(uTexture, vTexCoord);\n}",initialize:function(c){c&&this.setOptions(c)},setOptions:function(c){for(var b in c)this[b]=c[b]}, createProgram:function(c,b,d){b=b||this.fragmentSource;d=d||this.vertexSource;"highp"!==fabric.webGlPrecision&&(b=b.replace(/precision highp float/g,"precision "+fabric.webGlPrecision+" float"));var a=c.createShader(c.VERTEX_SHADER);c.shaderSource(a,d);c.compileShader(a);if(!c.getShaderParameter(a,c.COMPILE_STATUS))throw Error("Vertex shader compile error for "+this.type+": "+c.getShaderInfoLog(a));d=c.createShader(c.FRAGMENT_SHADER);c.shaderSource(d,b);c.compileShader(d);if(!c.getShaderParameter(d, c.COMPILE_STATUS))throw Error("Fragment shader compile error for "+this.type+": "+c.getShaderInfoLog(d));b=c.createProgram();c.attachShader(b,a);c.attachShader(b,d);c.linkProgram(b);if(!c.getProgramParameter(b,c.LINK_STATUS))throw Error('Shader link error for "${this.type}" '+c.getProgramInfoLog(b));a=this.getAttributeLocations(c,b);d=this.getUniformLocations(c,b)||{};d.uStepW=c.getUniformLocation(b,"uStepW");d.uStepH=c.getUniformLocation(b,"uStepH");return{program:b,attributeLocations:a,uniformLocations:d}}, getAttributeLocations:function(c,b){return{aPosition:c.getAttribLocation(b,"aPosition")}},getUniformLocations:function(){return{}},sendAttributeData:function(c,b,d){b=b.aPosition;var a=c.createBuffer();c.bindBuffer(c.ARRAY_BUFFER,a);c.enableVertexAttribArray(b);c.vertexAttribPointer(b,2,c.FLOAT,!1,0,0);c.bufferData(c.ARRAY_BUFFER,d,c.STATIC_DRAW)},_setupFrameBuffer:function(c){var b=c.context,d,a;if(1<c.passes){d=c.destinationWidth;a=c.destinationHeight;if(c.sourceWidth!==d||c.sourceHeight!==a)b.deleteTexture(c.targetTexture), c.targetTexture=c.filterBackend.createTexture(b,d,a);b.framebufferTexture2D(b.FRAMEBUFFER,b.COLOR_ATTACHMENT0,b.TEXTURE_2D,c.targetTexture,0)}else b.bindFramebuffer(b.FRAMEBUFFER,null),b.finish()},_swapTextures:function(c){c.passes--;c.pass++;var b=c.targetTexture;c.targetTexture=c.sourceTexture;c.sourceTexture=b},isNeutralState:function(){var c=this.mainParameter,b=fabric.Image.filters[this.type].prototype;if(c){if(Array.isArray(b[c])){for(var d=b[c].length;d--;)if(this[c][d]!==b[c][d])return!1; return!0}return b[c]===this[c]}return!1},applyTo:function(c){c.webgl?(this._setupFrameBuffer(c),this.applyToWebGL(c),this._swapTextures(c)):this.applyTo2d(c)},retrieveShader:function(c){c.programCache.hasOwnProperty(this.type)||(c.programCache[this.type]=this.createProgram(c.context));return c.programCache[this.type]},applyToWebGL:function(c){var b=c.context,d=this.retrieveShader(c);0===c.pass&&c.originalTexture?b.bindTexture(b.TEXTURE_2D,c.originalTexture):b.bindTexture(b.TEXTURE_2D,c.sourceTexture); b.useProgram(d.program);this.sendAttributeData(b,d.attributeLocations,c.aPosition);b.uniform1f(d.uniformLocations.uStepW,1/c.sourceWidth);b.uniform1f(d.uniformLocations.uStepH,1/c.sourceHeight);this.sendUniformData(b,d.uniformLocations);b.viewport(0,0,c.destinationWidth,c.destinationHeight);b.drawArrays(b.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(c,b,d){c.activeTexture(d);c.bindTexture(c.TEXTURE_2D,b);c.activeTexture(c.TEXTURE0)},unbindAdditionalTexture:function(c,b){c.activeTexture(b); c.bindTexture(c.TEXTURE_2D,null);c.activeTexture(c.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(c){this[this.mainParameter]=c},sendUniformData:function(){},createHelpLayer:function(c){if(!c.helpLayer){var b=document.createElement("canvas");b.width=c.sourceWidth;b.height=c.sourceHeight;c.helpLayer=b}},toObject:function(){var c={type:this.type},b=this.mainParameter;b&&(c[b]=this[b]);return c},toJSON:function(){return this.toObject()}}); fabric.Image.filters.BaseFilter.fromObject=function(c,b){c=new fabric.Image.filters[c.type](c);b&&b(c);return c}; (function(c){c=c.fabric||(c.fabric={});var b=c.Image.filters,d=c.util.createClass;b.ColorMatrix=d(b.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color \x3d texture2D(uTexture, vTexCoord);\ncolor *\x3d uColorMatrix;\ncolor +\x3d uConstants;\ngl_FragColor \x3d color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0, initialize:function(a){this.callSuper("initialize",a);this.matrix=this.matrix.slice(0)},applyTo2d:function(a){a=a.imageData.data;var b=a.length,c=this.matrix,d,g,k,n,t,x=this.colorsOnly;for(t=0;t<b;t+=4)d=a[t],g=a[t+1],k=a[t+2],x?(a[t]=d*c[0]+g*c[1]+k*c[2]+255*c[4],a[t+1]=d*c[5]+g*c[6]+k*c[7]+255*c[9],a[t+2]=d*c[10]+g*c[11]+k*c[12]+255*c[14]):(n=a[t+3],a[t]=d*c[0]+g*c[1]+k*c[2]+n*c[3]+255*c[4],a[t+1]=d*c[5]+g*c[6]+k*c[7]+n*c[8]+255*c[9],a[t+2]=d*c[10]+g*c[11]+k*c[12]+n*c[13]+255*c[14],a[t+3]=d*c[15]+ g*c[16]+k*c[17]+n*c[18]+255*c[19])},getUniformLocations:function(a,b){return{uColorMatrix:a.getUniformLocation(b,"uColorMatrix"),uConstants:a.getUniformLocation(b,"uConstants")}},sendUniformData:function(a,b){var c=this.matrix,e=[c[4],c[9],c[14],c[19]];a.uniformMatrix4fv(b.uColorMatrix,!1,[c[0],c[1],c[2],c[3],c[5],c[6],c[7],c[8],c[10],c[11],c[12],c[13],c[15],c[16],c[17],c[18]]);a.uniform4fv(b.uConstants,e)}});c.Image.filters.ColorMatrix.fromObject=c.Image.filters.BaseFilter.fromObject})("undefined"!== typeof exports?exports:this); (function(c){c=c.fabric||(c.fabric={});var b=c.Image.filters,d=c.util.createClass;b.Brightness=d(b.BaseFilter,{type:"Brightness",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBrightness;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d texture2D(uTexture, vTexCoord);\ncolor.rgb +\x3d uBrightness;\ngl_FragColor \x3d color;\n}",brightness:0,mainParameter:"brightness",applyTo2d:function(a){if(0!==this.brightness){a=a.imageData.data;var b,c=a.length,d=Math.round(255* this.brightness);for(b=0;b<c;b+=4)a[b]+=d,a[b+1]+=d,a[b+2]+=d}},getUniformLocations:function(a,b){return{uBrightness:a.getUniformLocation(b,"uBrightness")}},sendUniformData:function(a,b){a.uniform1f(b.uBrightness,this.brightness)}});c.Image.filters.Brightness.fromObject=c.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){c=c.fabric||(c.fabric={});var b=c.util.object.extend,d=c.Image.filters,a=c.util.createClass;d.Convolute=a(d.BaseFilter,{type:"Convolute",opaque:!1,matrix:[0,0,0,0,1,0,0,0,0],fragmentSource:{Convolute_3_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d vec4(0, 0, 0, 0);\nfor (float h \x3d 0.0; h \x3c 3.0; h+\x3d1.0) {\nfor (float w \x3d 0.0; w \x3c 3.0; w+\x3d1.0) {\nvec2 matrixPos \x3d vec2(uStepW * (w - 1), uStepH * (h - 1));\ncolor +\x3d texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];\n}\n}\ngl_FragColor \x3d color;\n}", Convolute_3_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d vec4(0, 0, 0, 1);\nfor (float h \x3d 0.0; h \x3c 3.0; h+\x3d1.0) {\nfor (float w \x3d 0.0; w \x3c 3.0; w+\x3d1.0) {\nvec2 matrixPos \x3d vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));\ncolor.rgb +\x3d texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];\n}\n}\nfloat alpha \x3d texture2D(uTexture, vTexCoord).a;\ngl_FragColor \x3d color;\ngl_FragColor.a \x3d alpha;\n}", Convolute_5_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d vec4(0, 0, 0, 0);\nfor (float h \x3d 0.0; h \x3c 5.0; h+\x3d1.0) {\nfor (float w \x3d 0.0; w \x3c 5.0; w+\x3d1.0) {\nvec2 matrixPos \x3d vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor +\x3d texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];\n}\n}\ngl_FragColor \x3d color;\n}", Convolute_5_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d vec4(0, 0, 0, 1);\nfor (float h \x3d 0.0; h \x3c 5.0; h+\x3d1.0) {\nfor (float w \x3d 0.0; w \x3c 5.0; w+\x3d1.0) {\nvec2 matrixPos \x3d vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor.rgb +\x3d texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];\n}\n}\nfloat alpha \x3d texture2D(uTexture, vTexCoord).a;\ngl_FragColor \x3d color;\ngl_FragColor.a \x3d alpha;\n}", Convolute_7_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d vec4(0, 0, 0, 0);\nfor (float h \x3d 0.0; h \x3c 7.0; h+\x3d1.0) {\nfor (float w \x3d 0.0; w \x3c 7.0; w+\x3d1.0) {\nvec2 matrixPos \x3d vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor +\x3d texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];\n}\n}\ngl_FragColor \x3d color;\n}", Convolute_7_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d vec4(0, 0, 0, 1);\nfor (float h \x3d 0.0; h \x3c 7.0; h+\x3d1.0) {\nfor (float w \x3d 0.0; w \x3c 7.0; w+\x3d1.0) {\nvec2 matrixPos \x3d vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor.rgb +\x3d texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];\n}\n}\nfloat alpha \x3d texture2D(uTexture, vTexCoord).a;\ngl_FragColor \x3d color;\ngl_FragColor.a \x3d alpha;\n}", Convolute_9_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d vec4(0, 0, 0, 0);\nfor (float h \x3d 0.0; h \x3c 9.0; h+\x3d1.0) {\nfor (float w \x3d 0.0; w \x3c 9.0; w+\x3d1.0) {\nvec2 matrixPos \x3d vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor +\x3d texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];\n}\n}\ngl_FragColor \x3d color;\n}", Convolute_9_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d vec4(0, 0, 0, 1);\nfor (float h \x3d 0.0; h \x3c 9.0; h+\x3d1.0) {\nfor (float w \x3d 0.0; w \x3c 9.0; w+\x3d1.0) {\nvec2 matrixPos \x3d vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor.rgb +\x3d texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];\n}\n}\nfloat alpha \x3d texture2D(uTexture, vTexCoord).a;\ngl_FragColor \x3d color;\ngl_FragColor.a \x3d alpha;\n}"}, retrieveShader:function(a){var b=this.type+"_"+Math.sqrt(this.matrix.length)+"_"+(this.opaque?1:0),c=this.fragmentSource[b];a.programCache.hasOwnProperty(b)||(a.programCache[b]=this.createProgram(a.context,c));return a.programCache[b]},applyTo2d:function(a){var b=a.imageData,c=b.data,e=this.matrix,d=Math.round(Math.sqrt(e.length)),n=Math.floor(d/2),t=b.width,b=b.height,x=a.ctx.createImageData(t,b),r=x.data,v=this.opaque?1:0,p,B,l,E,C,m,y,z,w,A,u;for(w=0;w<b;w++)for(z=0;z<t;z++){C=4*(w*t+z);for(u= E=l=B=p=0;u<d;u++)for(A=0;A<d;A++)y=w+u-n,m=z+A-n,0>y||y>b||0>m||m>t||(m=4*(y*t+m),y=e[u*d+A],p+=c[m]*y,B+=c[m+1]*y,l+=c[m+2]*y,v||(E+=c[m+3]*y));r[C]=p;r[C+1]=B;r[C+2]=l;r[C+3]=v?c[C+3]:E}a.imageData=x},getUniformLocations:function(a,b){return{uMatrix:a.getUniformLocation(b,"uMatrix"),uOpaque:a.getUniformLocation(b,"uOpaque"),uHalfSize:a.getUniformLocation(b,"uHalfSize"),uSize:a.getUniformLocation(b,"uSize")}},sendUniformData:function(a,b){a.uniform1fv(b.uMatrix,this.matrix)},toObject:function(){return b(this.callSuper("toObject"), {opaque:this.opaque,matrix:this.matrix})}});c.Image.filters.Convolute.fromObject=c.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){c=c.fabric||(c.fabric={});var b=c.Image.filters,d=c.util.createClass;b.Grayscale=d(b.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d texture2D(uTexture, vTexCoord);\nfloat average \x3d (color.r + color.b + color.g) / 3.0;\ngl_FragColor \x3d vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col \x3d texture2D(uTexture, vTexCoord);\nfloat average \x3d (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor \x3d vec4(average, average, average, col.a);\n}", luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col \x3d texture2D(uTexture, vTexCoord);\nfloat average \x3d 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor \x3d vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(a){a=a.imageData.data;var b,c=a.length,d,g=this.mode;for(b=0;b<c;b+=4)"average"===g?d=(a[b]+a[b+1]+a[b+2])/3:"lightness"===g?d=(Math.min(a[b],a[b+1], a[b+2])+Math.max(a[b],a[b+1],a[b+2]))/2:"luminosity"===g&&(d=.21*a[b]+.72*a[b+1]+.07*a[b+2]),a[b]=d,a[b+1]=d,a[b+2]=d},retrieveShader:function(a){var b=this.type+"_"+this.mode;a.programCache.hasOwnProperty(b)||(a.programCache[b]=this.createProgram(a.context,this.fragmentSource[this.mode]));return a.programCache[b]},getUniformLocations:function(a,b){return{uMode:a.getUniformLocation(b,"uMode")}},sendUniformData:function(a,b){a.uniform1i(b.uMode,1)},isNeutralState:function(){return!1}});c.Image.filters.Grayscale.fromObject= c.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){c=c.fabric||(c.fabric={});var b=c.Image.filters,d=c.util.createClass;b.Invert=d(b.BaseFilter,{type:"Invert",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uInvert;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d texture2D(uTexture, vTexCoord);\nif (uInvert \x3d\x3d 1) {\ngl_FragColor \x3d vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,color.a);\n} else {\ngl_FragColor \x3d color;\n}\n}",invert:!0,mainParameter:"invert",applyTo2d:function(a){a= a.imageData.data;var b,c=a.length;for(b=0;b<c;b+=4)a[b]=255-a[b],a[b+1]=255-a[b+1],a[b+2]=255-a[b+2]},isNeutralState:function(){return!this.invert},getUniformLocations:function(a,b){return{uInvert:a.getUniformLocation(b,"uInvert")}},sendUniformData:function(a,b){a.uniform1i(b.uInvert,this.invert)}});c.Image.filters.Invert.fromObject=c.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){c=c.fabric||(c.fabric={});var b=c.util.object.extend,d=c.Image.filters,a=c.util.createClass;d.Noise=a(d.BaseFilter,{type:"Noise",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uStepH;\nuniform float uNoise;\nuniform float uSeed;\nvarying vec2 vTexCoord;\nfloat rand(vec2 co, float seed, float vScale) {\nreturn fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n}\nvoid main() {\nvec4 color \x3d texture2D(uTexture, vTexCoord);\ncolor.rgb +\x3d (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\ngl_FragColor \x3d color;\n}", mainParameter:"noise",noise:0,applyTo2d:function(a){if(0!==this.noise){a=a.imageData.data;var b,c,e=this.noise,d;b=0;for(c=a.length;b<c;b+=4)d=(.5-Math.random())*e,a[b]+=d,a[b+1]+=d,a[b+2]+=d}},getUniformLocations:function(a,b){return{uNoise:a.getUniformLocation(b,"uNoise"),uSeed:a.getUniformLocation(b,"uSeed")}},sendUniformData:function(a,b){a.uniform1f(b.uNoise,this.noise/255);a.uniform1f(b.uSeed,Math.random())},toObject:function(){return b(this.callSuper("toObject"),{noise:this.noise})}});c.Image.filters.Noise.fromObject= c.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){c=c.fabric||(c.fabric={});var b=c.Image.filters,d=c.util.createClass;b.Pixelate=d(b.BaseFilter,{type:"Pixelate",blocksize:4,mainParameter:"blocksize",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBlocksize;\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nfloat blockW \x3d uBlocksize * uStepW;\nfloat blockH \x3d uBlocksize * uStepW;\nint posX \x3d int(vTexCoord.x / blockW);\nint posY \x3d int(vTexCoord.y / blockH);\nfloat fposX \x3d float(posX);\nfloat fposY \x3d float(posY);\nvec2 squareCoords \x3d vec2(fposX * blockW, fposY * blockH);\nvec4 color \x3d texture2D(uTexture, squareCoords);\ngl_FragColor \x3d color;\n}",applyTo2d:function(a){var b= a.imageData;a=b.data;var c=b.height,b=b.width,d,g,k,n,t,x,r,v,p,B,l;for(g=0;g<c;g+=this.blocksize)for(k=0;k<b;k+=this.blocksize)for(d=4*g*b+4*k,n=a[d],t=a[d+1],x=a[d+2],r=a[d+3],B=Math.min(g+this.blocksize,c),l=Math.min(k+this.blocksize,b),v=g;v<B;v++)for(p=k;p<l;p++)d=4*v*b+4*p,a[d]=n,a[d+1]=t,a[d+2]=x,a[d+3]=r},isNeutralState:function(){return 1===this.blocksize},getUniformLocations:function(a,b){return{uBlocksize:a.getUniformLocation(b,"uBlocksize"),uStepW:a.getUniformLocation(b,"uStepW"),uStepH:a.getUniformLocation(b, "uStepH")}},sendUniformData:function(a,b){a.uniform1f(b.uBlocksize,this.blocksize)}});c.Image.filters.Pixelate.fromObject=c.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={}),d=b.util.object.extend;c=b.Image.filters;var a=b.util.createClass;c.RemoveColor=a(c.BaseFilter,{type:"RemoveColor",color:"#FFFFFF",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uLow;\nuniform vec4 uHigh;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor \x3d texture2D(uTexture, vTexCoord);\nif(all(greaterThan(gl_FragColor.rgb,uLow.rgb)) \x26\x26 all(greaterThan(uHigh.rgb,gl_FragColor.rgb))) {\ngl_FragColor.a \x3d 0.0;\n}\n}",distance:.02, useAlpha:!1,applyTo2d:function(a){a=a.imageData.data;var c;c=255*this.distance;var e,d,k;e=(new b.Color(this.color)).getSource();var n=[e[0]-c,e[1]-c,e[2]-c],t=[e[0]+c,e[1]+c,e[2]+c];for(c=0;c<a.length;c+=4)e=a[c],d=a[c+1],k=a[c+2],e>n[0]&&d>n[1]&&k>n[2]&&e<t[0]&&d<t[1]&&k<t[2]&&(a[c+3]=0)},getUniformLocations:function(a,b){return{uLow:a.getUniformLocation(b,"uLow"),uHigh:a.getUniformLocation(b,"uHigh")}},sendUniformData:function(a,c){var e=(new b.Color(this.color)).getSource(),d=parseFloat(this.distance), f=[e[0]/255+d,e[1]/255+d,e[2]/255+d,1];a.uniform4fv(c.uLow,[0+e[0]/255-d,0+e[1]/255-d,0+e[2]/255-d,1]);a.uniform4fv(c.uHigh,f)},toObject:function(){return d(this.callSuper("toObject"),{color:this.color,distance:this.distance})}});b.Image.filters.RemoveColor.fromObject=b.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){c=c.fabric||(c.fabric={});var b=c.Image.filters,d=c.util.createClass,a={Brownie:[.5997,.34553,-.27082,0,.186,-.0377,.86095,.15059,0,-.1449,.24113,-.07441,.44972,0,-.02965,0,0,0,1,0],Vintage:[.62793,.32021,-.03965,0,.03784,.02578,.64411,.03259,0,.02926,.0466,-.08512,.52416,0,.02023,0,0,0,1,0],Kodachrome:[1.12855,-.39673,-.03992,0,.24991,-.16404,1.08352,-.05498,0,.09698,-.16786,-.56034,1.60148,0,.13972,0,0,0,1,0],Technicolor:[1.91252,-.85453,-.09155,0,.04624,-.30878,1.76589,-.10601,0,-.27589, -.2311,-.75018,1.84759,0,.12137,0,0,0,1,0],Polaroid:[1.438,-.062,-.062,0,0,-.122,1.378,-.122,0,0,-.016,-.016,1.483,0,0,0,0,0,1,0],Sepia:[.393,.769,.189,0,0,.349,.686,.168,0,0,.272,.534,.131,0,0,0,0,0,1,0],BlackWhite:[1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,0,0,0,1,0]},e;for(e in a)b[e]=d(b.ColorMatrix,{type:e,matrix:a[e],mainParameter:!1,colorsOnly:!0}),c.Image.filters[e].fromObject=c.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric;c=b.Image.filters;var d=b.util.createClass;c.BlendColor=d(c.BaseFilter,{type:"BlendColor",color:"#F95C63",mode:"multiply",alpha:1,fragmentSource:{multiply:"gl_FragColor.rgb *\x3d uColor.rgb;\n",screen:"gl_FragColor.rgb \x3d 1.0 - (1.0 - gl_FragColor.rgb) * (1.0 - uColor.rgb);\n",add:"gl_FragColor.rgb +\x3d uColor.rgb;\n",diff:"gl_FragColor.rgb \x3d abs(gl_FragColor.rgb - uColor.rgb);\n",subtract:"gl_FragColor.rgb -\x3d uColor.rgb;\n",lighten:"gl_FragColor.rgb \x3d max(gl_FragColor.rgb, uColor.rgb);\n", darken:"gl_FragColor.rgb \x3d min(gl_FragColor.rgb, uColor.rgb);\n",exclusion:"gl_FragColor.rgb +\x3d uColor.rgb - 2.0 * (uColor.rgb * gl_FragColor.rgb);\n",overlay:"if (uColor.r \x3c 0.5) {\ngl_FragColor.r *\x3d 2.0 * uColor.r;\n} else {\ngl_FragColor.r \x3d 1.0 - 2.0 * (1.0 - gl_FragColor.r) * (1.0 - uColor.r);\n}\nif (uColor.g \x3c 0.5) {\ngl_FragColor.g *\x3d 2.0 * uColor.g;\n} else {\ngl_FragColor.g \x3d 1.0 - 2.0 * (1.0 - gl_FragColor.g) * (1.0 - uColor.g);\n}\nif (uColor.b \x3c 0.5) {\ngl_FragColor.b *\x3d 2.0 * uColor.b;\n} else {\ngl_FragColor.b \x3d 1.0 - 2.0 * (1.0 - gl_FragColor.b) * (1.0 - uColor.b);\n}\n", tint:"gl_FragColor.rgb *\x3d (1.0 - uColor.a);\ngl_FragColor.rgb +\x3d uColor.rgb;\n"},buildSource:function(a){return"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d texture2D(uTexture, vTexCoord);\ngl_FragColor \x3d color;\nif (color.a \x3e 0.0) {\n"+this.fragmentSource[a]+"}\n}"},retrieveShader:function(a){var b=this.type+"_"+this.mode,c;a.programCache.hasOwnProperty(b)||(c=this.buildSource(this.mode),a.programCache[b]= this.createProgram(a.context,c));return a.programCache[b]},applyTo2d:function(a){a=a.imageData.data;var c=a.length,d,h,g,k,n,t,x=1-this.alpha;g=(new b.Color(this.color)).getSource();d=g[0]*this.alpha;h=g[1]*this.alpha;g=g[2]*this.alpha;for(var r=0;r<c;r+=4)switch(k=a[r],n=a[r+1],t=a[r+2],this.mode){case "multiply":a[r]=k*d/255;a[r+1]=n*h/255;a[r+2]=t*g/255;break;case "screen":a[r]=255-(255-k)*(255-d)/255;a[r+1]=255-(255-n)*(255-h)/255;a[r+2]=255-(255-t)*(255-g)/255;break;case "add":a[r]=k+d;a[r+1]= n+h;a[r+2]=t+g;break;case "diff":case "difference":a[r]=Math.abs(k-d);a[r+1]=Math.abs(n-h);a[r+2]=Math.abs(t-g);break;case "subtract":a[r]=k-d;a[r+1]=n-h;a[r+2]=t-g;break;case "darken":a[r]=Math.min(k,d);a[r+1]=Math.min(n,h);a[r+2]=Math.min(t,g);break;case "lighten":a[r]=Math.max(k,d);a[r+1]=Math.max(n,h);a[r+2]=Math.max(t,g);break;case "overlay":a[r]=128>d?2*k*d/255:255-2*(255-k)*(255-d)/255;a[r+1]=128>h?2*n*h/255:255-2*(255-n)*(255-h)/255;a[r+2]=128>g?2*t*g/255:255-2*(255-t)*(255-g)/255;break;case "exclusion":a[r]= d+k-2*d*k/255;a[r+1]=h+n-2*h*n/255;a[r+2]=g+t-2*g*t/255;break;case "tint":a[r]=d+k*x,a[r+1]=h+n*x,a[r+2]=g+t*x}},getUniformLocations:function(a,b){return{uColor:a.getUniformLocation(b,"uColor")}},sendUniformData:function(a,c){var e=(new b.Color(this.color)).getSource();e[0]=this.alpha*e[0]/255;e[1]=this.alpha*e[1]/255;e[2]=this.alpha*e[2]/255;e[3]=this.alpha;a.uniform4fv(c.uColor,e)},toObject:function(){return{type:this.type,color:this.color,mode:this.mode,alpha:this.alpha}}});b.Image.filters.BlendColor.fromObject= b.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric;c=b.Image.filters;var d=b.util.createClass;c.BlendImage=d(c.BaseFilter,{type:"BlendImage",image:null,mode:"multiply",alpha:1,vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nuniform mat3 uTransformMatrix;\nvoid main() {\nvTexCoord \x3d aPosition;\nvTexCoord2 \x3d (uTransformMatrix * vec3(aPosition, 1.0)).xy;\ngl_Position \x3d vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:{multiply:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color \x3d texture2D(uTexture, vTexCoord);\nvec4 color2 \x3d texture2D(uImage, vTexCoord2);\ncolor.rgba *\x3d color2.rgba;\ngl_FragColor \x3d color;\n}", mask:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color \x3d texture2D(uTexture, vTexCoord);\nvec4 color2 \x3d texture2D(uImage, vTexCoord2);\ncolor.a \x3d color2.a;\ngl_FragColor \x3d color;\n}"},retrieveShader:function(a){var b=this.type+"_"+this.mode,c=this.fragmentSource[this.mode];a.programCache.hasOwnProperty(b)||(a.programCache[b]=this.createProgram(a.context,c)); return a.programCache[b]},applyToWebGL:function(a){var b=a.context,c=this.createTexture(a.filterBackend,this.image);this.bindAdditionalTexture(b,c,b.TEXTURE1);this.callSuper("applyToWebGL",a);this.unbindAdditionalTexture(b,b.TEXTURE1)},createTexture:function(a,b){return a.getCachedTexture(b.cacheKey,b._element)},calculateMatrix:function(){var a=this.image;return[1/a.scaleX,0,0,0,1/a.scaleY,0,-a.left/a._element.width,-a.top/a._element.height,1]},applyTo2d:function(a){var c=a.imageData,d=a.filterBackend.resources; a=c.data;var h=a.length,g=c.width,c=c.height,k,n,t,x,r;k=this.image;var v;d.blendImage||(d.blendImage=b.util.createCanvasElement());d=d.blendImage;n=d.getContext("2d");d.width!==g||d.height!==c?(d.width=g,d.height=c):n.clearRect(0,0,g,c);n.setTransform(k.scaleX,0,0,k.scaleY,k.left,k.top);n.drawImage(k._element,0,0,g,c);v=n.getImageData(0,0,g,c).data;for(var p=0;p<h;p+=4)switch(n=a[p],t=a[p+1],x=a[p+2],r=a[p+3],g=v[p],c=v[p+1],k=v[p+2],d=v[p+3],this.mode){case "multiply":a[p]=n*g/255;a[p+1]=t*c/255; a[p+2]=x*k/255;a[p+3]=r*d/255;break;case "mask":a[p+3]=d}},getUniformLocations:function(a,b){return{uTransformMatrix:a.getUniformLocation(b,"uTransformMatrix"),uImage:a.getUniformLocation(b,"uImage")}},sendUniformData:function(a,b){var c=this.calculateMatrix();a.uniform1i(b.uImage,1);a.uniformMatrix3fv(b.uTransformMatrix,!1,c)},toObject:function(){return{type:this.type,image:this.image&&this.image.toObject(),mode:this.mode,alpha:this.alpha}}});b.Image.filters.BlendImage.fromObject=function(a,c){b.Image.fromObject(a.image, function(e){var d=b.util.object.clone(a);d.image=e;c(new b.Image.filters.BlendImage(d))})}})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={}),d=Math.pow,a=Math.floor,e=Math.sqrt,f=Math.abs,h=Math.round,g=Math.sin,k=Math.ceil;c=b.Image.filters;var n=b.util.createClass;c.Resize=n(c.BaseFilter,{type:"Resize",resizeType:"hermite",scaleX:1,scaleY:1,lanczosLobes:3,getUniformLocations:function(a,b){return{uDelta:a.getUniformLocation(b,"uDelta"),uTaps:a.getUniformLocation(b,"uTaps")}},sendUniformData:function(a,b){a.uniform2fv(b.uDelta,this.horizontal?[1/this.width,0]:[0,1/this.height]);a.uniform1fv(b.uTaps, this.taps)},retrieveShader:function(a){var b=this.getFilterWindow(),c=this.type+"_"+b;a.programCache.hasOwnProperty(c)||(b=this.generateShader(b),a.programCache[c]=this.createProgram(a.context,b));return a.programCache[c]},getFilterWindow:function(){return Math.ceil(this.lanczosLobes/this.tempScale)},getTaps:function(){for(var a=this.lanczosCreate(this.lanczosLobes),b=this.tempScale,c=this.getFilterWindow(),e=Array(c),d=1;d<=c;d++)e[d-1]=a(d*b);return e},generateShader:function(a){for(var b=Array(a), c=this.fragmentSourceTOP,e=1;e<=a;e++)b[e-1]=e+".0 * uDelta";c+="uniform float uTaps["+a+"];\n";c+="void main() {\n";c+=" vec4 color \x3d texture2D(uTexture, vTexCoord);\n";c+=" float sum \x3d 1.0;\n";b.forEach(function(a,b){c+=" color +\x3d texture2D(uTexture, vTexCoord + "+a+") * uTaps["+b+"];\n";c+=" color +\x3d texture2D(uTexture, vTexCoord - "+a+") * uTaps["+b+"];\n";c+=" sum +\x3d 2.0 * uTaps["+b+"];\n"});c+=" gl_FragColor \x3d color / sum;\n";return c+="}"},fragmentSourceTOP:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\n", applyTo:function(a){a.webgl?(a.passes++,this.width=a.sourceWidth,this.horizontal=!0,this.dW=Math.round(this.width*this.scaleX),this.dH=a.sourceHeight,this.tempScale=this.dW/this.width,this.taps=this.getTaps(),a.destinationWidth=this.dW,this._setupFrameBuffer(a),this.applyToWebGL(a),this._swapTextures(a),a.sourceWidth=a.destinationWidth,this.height=a.sourceHeight,this.horizontal=!1,this.dH=Math.round(this.height*this.scaleY),this.tempScale=this.dH/this.height,this.taps=this.getTaps(),a.destinationHeight= this.dH,this._setupFrameBuffer(a),this.applyToWebGL(a),this._swapTextures(a),a.sourceHeight=a.destinationHeight):this.applyTo2d(a)},isNeutralState:function(){return 1===this.scaleX&&1===this.scaleY},lanczosCreate:function(a){return function(b){if(b>=a||b<=-a)return 0;if(1.1920929E-7>b&&-1.1920929E-7<b)return 1;b*=Math.PI;var c=b/a;return g(b)/b*g(c)/c}},applyTo2d:function(a){var b=a.imageData,c=this.scaleX,e=this.scaleY;this.rcpScaleX=1/c;this.rcpScaleY=1/e;var d=b.width,b=b.height,c=h(d*c),e=h(b* e),f;"sliceHack"===this.resizeType?f=this.sliceByTwo(a,d,b,c,e):"hermite"===this.resizeType?f=this.hermiteFastResize(a,d,b,c,e):"bilinear"===this.resizeType?f=this.bilinearFiltering(a,d,b,c,e):"lanczos"===this.resizeType&&(f=this.lanczosResize(a,d,b,c,e));a.imageData=f},sliceByTwo:function(c,e,d,f,p){c=c.imageData;var v=!1,l=!1,g=.5*e,h=.5*d,k=b.filterBackend.resources,y,z=0,w=0,A=e,u=0;k.sliceByTwo||(k.sliceByTwo=document.createElement("canvas"));k=k.sliceByTwo;if(k.width<1.5*e||k.height<d)k.width= 1.5*e,k.height=d;y=k.getContext("2d");y.clearRect(0,0,1.5*e,d);y.putImageData(c,0,0);f=a(f);for(p=a(p);!v||!l;)e=g,d=h,f<a(.5*g)?g=a(.5*g):(g=f,v=!0),p<a(.5*h)?h=a(.5*h):(h=p,l=!0),y.drawImage(k,z,w,e,d,A,u,g,h),z=A,w=u,u+=h;return y.getImageData(z,w,f,p)},lanczosResize:function(b,c,g,v,p){var h,l,E,n;function m(b){var k,B,C,P,U,W,x,L,M,G;E=(b+.5)*u;h=a(E);for(k=0;k<p;k++){n=(k+.5)*q;l=a(n);M=L=x=W=U=0;for(B=h-S;B<=h+S;B++)if(!(0>B||B>=c)){G=a(1E3*f(B-E));r[G]||(r[G]={});for(var J=l-t;J<=l+t;J++)0> J||J>=g||(C=a(1E3*f(J-n)),r[G][C]||(r[G][C]=A(e(d(G*F,2)+d(C*I,2))/1E3)),C=r[G][C],0<C&&(P=4*(J*c+B),U+=C,W+=C*y[P],x+=C*y[P+1],L+=C*y[P+2],M+=C*y[P+3]))}P=4*(k*v+b);w[P]=W/U;w[P+1]=x/U;w[P+2]=L/U;w[P+3]=M/U}return++b<v?m(b):z}var y=b.imageData.data,z=b.ctx.createImageData(v,p),w=z.data,A=this.lanczosCreate(this.lanczosLobes),u=this.rcpScaleX,q=this.rcpScaleY,F=2/this.rcpScaleX,I=2/this.rcpScaleY,S=k(u*this.lanczosLobes/2),t=k(q*this.lanczosLobes/2),r={};l=h=n=E=void 0;return m(0)},bilinearFiltering:function(b, c,e,d,p){var f,l,v,g,h,k,z,w,A;e=0;var u=this.rcpScaleX,q=this.rcpScaleY,F=4*(c-1),I=b.imageData.data,S=b.ctx.createImageData(d,p),n=S.data;for(b=0;b<p;b++)for(z=0;z<d;z++)for(h=a(u*z),k=a(q*b),w=u*z-h,A=q*b-k,k=4*(k*c+h),h=0;4>h;h++)f=I[k+h],l=I[k+4+h],v=I[k+F+h],g=I[k+F+4+h],f=f*(1-w)*(1-A)+l*w*(1-A)+v*A*(1-w)+g*w*A,n[e++]=f;return S},hermiteFastResize:function(b,c,d,v,p){d=this.rcpScaleX;var g=this.rcpScaleY,l=k(d/2),h=k(g/2),n=b.imageData.data;b=b.ctx.createImageData(v,p);for(var m=b.data,y=0;y< p;y++)for(var z=0;z<v;z++){for(var w=4*(z+y*v),A,u=0,q=0,F=0,I=0,S=0,P=0,t=(y+.5)*g,r=a(y*g);r<(y+1)*g;r++)for(var x=f(t-(r+.5))/h,D=(z+.5)*d,x=x*x,H=a(z*d);H<(z+1)*d;H++){var N=f(D-(H+.5))/l;A=e(x+N*N);1<A&&-1>A||(A=2*A*A*A-3*A*A+1,0<A&&(N=4*(H+r*c),P+=A*n[N+3],q+=A,255>n[N+3]&&(A=A*n[N+3]/250),F+=A*n[N],I+=A*n[N+1],S+=A*n[N+2],u+=A))}m[w]=F/u;m[w+1]=I/u;m[w+2]=S/u;m[w+3]=P/q}return b},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}); b.Image.filters.Resize.fromObject=b.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){c=c.fabric||(c.fabric={});var b=c.Image.filters,d=c.util.createClass;b.Contrast=d(b.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d texture2D(uTexture, vTexCoord);\nfloat contrastF \x3d 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb \x3d contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor \x3d color;\n}",contrast:0,mainParameter:"contrast", applyTo2d:function(a){if(0!==this.contrast){var b,c=a.imageData.data;a=c.length;b=Math.floor(255*this.contrast);var d=259*(b+255)/(255*(259-b));for(b=0;b<a;b+=4)c[b]=d*(c[b]-128)+128,c[b+1]=d*(c[b+1]-128)+128,c[b+2]=d*(c[b+2]-128)+128}},getUniformLocations:function(a,b){return{uContrast:a.getUniformLocation(b,"uContrast")}},sendUniformData:function(a,b){a.uniform1f(b.uContrast,this.contrast)}});c.Image.filters.Contrast.fromObject=c.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports? exports:this); (function(c){c=c.fabric||(c.fabric={});var b=c.Image.filters,d=c.util.createClass;b.Saturation=d(b.BaseFilter,{type:"Saturation",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uSaturation;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d texture2D(uTexture, vTexCoord);\nfloat rgMax \x3d max(color.r, color.g);\nfloat rgbMax \x3d max(rgMax, color.b);\ncolor.r +\x3d rgbMax !\x3d color.r ? (rgbMax - color.r) * uSaturation : 0.00;\ncolor.g +\x3d rgbMax !\x3d color.g ? (rgbMax - color.g) * uSaturation : 0.00;\ncolor.b +\x3d rgbMax !\x3d color.b ? (rgbMax - color.b) * uSaturation : 0.00;\ngl_FragColor \x3d color;\n}",saturation:0, mainParameter:"saturation",applyTo2d:function(a){if(0!==this.saturation){a=a.imageData.data;var b=a.length,c=-this.saturation,d,g;for(d=0;d<b;d+=4)g=Math.max(a[d],a[d+1],a[d+2]),a[d]+=g!==a[d]?(g-a[d])*c:0,a[d+1]+=g!==a[d+1]?(g-a[d+1])*c:0,a[d+2]+=g!==a[d+2]?(g-a[d+2])*c:0}},getUniformLocations:function(a,b){return{uSaturation:a.getUniformLocation(b,"uSaturation")}},sendUniformData:function(a,b){a.uniform1f(b.uSaturation,-this.saturation)}});c.Image.filters.Saturation.fromObject=c.Image.filters.BaseFilter.fromObject})("undefined"!== typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={});c=b.Image.filters;var d=b.util.createClass;c.Blur=d(c.BaseFilter,{type:"Blur",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\nconst float nSamples \x3d 15.0;\nvec3 v3offset \x3d vec3(12.9898, 78.233, 151.7182);\nfloat random(vec3 scale) {\nreturn fract(sin(dot(gl_FragCoord.xyz, scale)) * 43758.5453);\n}\nvoid main() {\nvec4 color \x3d vec4(0.0);\nfloat total \x3d 0.0;\nfloat offset \x3d random(v3offset);\nfor (float t \x3d -nSamples; t \x3c\x3d nSamples; t++) {\nfloat percent \x3d (t + offset - 0.5) / nSamples;\nfloat weight \x3d 1.0 - abs(percent);\ncolor +\x3d texture2D(uTexture, vTexCoord + uDelta * percent) * weight;\ntotal +\x3d weight;\n}\ngl_FragColor \x3d color / total;\n}",blur:0, mainParameter:"blur",applyTo:function(a){a.webgl?(this.aspectRatio=a.sourceWidth/a.sourceHeight,a.passes++,this._setupFrameBuffer(a),this.horizontal=!0,this.applyToWebGL(a),this._swapTextures(a),this._setupFrameBuffer(a),this.horizontal=!1,this.applyToWebGL(a),this._swapTextures(a)):this.applyTo2d(a)},applyTo2d:function(a){a.imageData=this.simpleBlur(a)},simpleBlur:function(a){var c=a.filterBackend.resources,d,h,g=a.imageData.width,k=a.imageData.height;c.blurLayer1||(c.blurLayer1=b.util.createCanvasElement(), c.blurLayer2=b.util.createCanvasElement());d=c.blurLayer1;h=c.blurLayer2;if(d.width!==g||d.height!==k)h.width=d.width=g,h.height=d.height=k;var c=d.getContext("2d"),n=h.getContext("2d"),t,x,r,v,p=.03*this.blur;c.putImageData(a.imageData,0,0);n.clearRect(0,0,g,k);for(v=-15;15>=v;v++)t=(Math.random()-.5)/4,x=v/15,r=p*x*g+t,n.globalAlpha=1-Math.abs(x),n.drawImage(d,r,t),c.drawImage(h,0,0),n.globalAlpha=1,n.clearRect(0,0,h.width,h.height);for(v=-15;15>=v;v++)t=(Math.random()-.5)/4,x=v/15,r=p*x*k+t,n.globalAlpha= 1-Math.abs(x),n.drawImage(d,t,r),c.drawImage(h,0,0),n.globalAlpha=1,n.clearRect(0,0,h.width,h.height);a.ctx.drawImage(d,0,0);a=a.ctx.getImageData(0,0,d.width,d.height);c.globalAlpha=1;c.clearRect(0,0,d.width,d.height);return a},getUniformLocations:function(a,b){return{delta:a.getUniformLocation(b,"uDelta")}},sendUniformData:function(a,b){var c=this.chooseRightDelta();a.uniform2fv(b.delta,c)},chooseRightDelta:function(){var a=1,b=[0,0];this.horizontal?1<this.aspectRatio&&(a=1/this.aspectRatio):1>this.aspectRatio&& (a=this.aspectRatio);a=a*this.blur*.12;this.horizontal?b[0]=a:b[1]=a;return b}});c.Blur.fromObject=b.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){c=c.fabric||(c.fabric={});var b=c.Image.filters,d=c.util.createClass;b.Gamma=d(b.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color \x3d texture2D(uTexture, vTexCoord);\nvec3 correction \x3d (1.0 / uGamma);\ncolor.r \x3d pow(color.r, correction.r);\ncolor.g \x3d pow(color.g, correction.g);\ncolor.b \x3d pow(color.b, correction.b);\ngl_FragColor \x3d color;\ngl_FragColor.rgb *\x3d color.a;\n}",gamma:[1, 1,1],mainParameter:"gamma",initialize:function(a){this.gamma=[1,1,1];b.BaseFilter.prototype.initialize.call(this,a)},applyTo2d:function(a){a=a.imageData.data;var b=this.gamma,c=1/b[0],d=1/b[1],g=1/b[2],k;this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256));k=0;for(b=256;k<b;k++)this.rVals[k]=255*Math.pow(k/255,c),this.gVals[k]=255*Math.pow(k/255,d),this.bVals[k]=255*Math.pow(k/255,g);k=0;for(b=a.length;k<b;k+=4)a[k]=this.rVals[a[k]],a[k+1]=this.gVals[a[k+ 1]],a[k+2]=this.bVals[a[k+2]]},getUniformLocations:function(a,b){return{uGamma:a.getUniformLocation(b,"uGamma")}},sendUniformData:function(a,b){a.uniform3fv(b.uGamma,this.gamma)}});c.Image.filters.Gamma.fromObject=c.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={});c=b.Image.filters;var d=b.util.createClass;c.Composed=d(c.BaseFilter,{type:"Composed",subFilters:[],initialize:function(a){this.callSuper("initialize",a);this.subFilters=this.subFilters.slice(0)},applyTo:function(a){a.passes+=this.subFilters.length-1;this.subFilters.forEach(function(b){b.applyTo(a)})},toObject:function(){return b.util.object.extend(this.callSuper("toObject"),{subFilters:this.subFilters.map(function(a){return a.toObject()})})},isNeutralState:function(){return!this.subFilters.some(function(a){return!a.isNeutralState()})}}); b.Image.filters.Composed.fromObject=function(a,c){a=(a.subFilters||[]).map(function(a){return new b.Image.filters[a.type](a)});a=new b.Image.filters.Composed({subFilters:a});c&&c(a);return a}})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={}),d=b.Image.filters;c=b.util.createClass;d.HueRotation=c(d.ColorMatrix,{type:"HueRotation",rotation:0,mainParameter:"rotation",calculateMatrix:function(){var a=this.rotation*Math.PI,c=b.util.cos(a),d=b.util.sin(a),a=1/3,d=Math.sqrt(a)*d,h=1-c;this.matrix=[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0];this.matrix[0]=c+h/3;this.matrix[1]=a*h-d;this.matrix[2]=a*h+d;this.matrix[5]=a*h+d;this.matrix[6]=c+a*h;this.matrix[7]=a*h-d;this.matrix[10]=a*h-d;this.matrix[11]= a*h+d;this.matrix[12]=c+a*h},isNeutralState:function(a){this.calculateMatrix();return d.BaseFilter.prototype.isNeutralState.call(this,a)},applyTo:function(a){this.calculateMatrix();d.BaseFilter.prototype.applyTo.call(this,a)}});b.Image.filters.HueRotation.fromObject=b.Image.filters.BaseFilter.fromObject})("undefined"!==typeof exports?exports:this); (function(c){var b=c.fabric||(c.fabric={}),d=b.util.object.clone;b.Text?b.warn("fabric.Text is already defined"):(b.Text=b.util.createClass(b.Object,{_dimensionAffectingProps:"fontSize fontWeight fontFamily fontStyle lineHeight text charSpacing textAlign styles".split(" "),_reNewline:/\r?\n/,_reSpacesAndTabs:/[ \t\r]/g,_reSpaceAndTab:/[ \t\r]/,_reWords:/\S+/g,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",underline:!1,overline:!1,linethrough:!1,textAlign:"left",fontStyle:"normal", lineHeight:1.16,superscript:{size:.6,baseline:-.35},subscript:{size:.6,baseline:.11},textBackgroundColor:"",stateProperties:b.Object.prototype.stateProperties.concat("fontFamily","fontWeight","fontSize","text","underline","overline","linethrough","textAlign","fontStyle","lineHeight","textBackgroundColor","charSpacing","styles"),cacheProperties:b.Object.prototype.cacheProperties.concat("fontFamily","fontWeight","fontSize","text","underline","overline","linethrough","textAlign","fontStyle","lineHeight", "textBackgroundColor","charSpacing","styles"),stroke:null,shadow:null,_fontSizeFraction:.222,offsets:{underline:.1,linethrough:-.315,overline:-.88},_fontSizeMult:1.13,charSpacing:0,styles:null,_measuringContext:null,deltaY:0,_styleProperties:"stroke strokeWidth fill fontFamily fontSize fontWeight fontStyle underline overline linethrough deltaY textBackgroundColor".split(" "),__charBounds:[],CACHE_FONT_SIZE:400,MIN_TEXT_WIDTH:2,initialize:function(a,b){this.styles=b?b.styles||{}:{};this.text=a;this.__skipDimension= !0;this.callSuper("initialize",b);this.__skipDimension=!1;this.initDimensions();this.setCoords();this.setupState({propertySet:"_dimensionAffectingProps"})},getMeasuringContext:function(){b._measuringContext||(b._measuringContext=this.canvas&&this.canvas.contextCache||b.util.createCanvasElement().getContext("2d"));return b._measuringContext},_splitText:function(){var a=this._splitTextIntoLines(this.text);this.textLines=a.lines;this._textLines=a.graphemeLines;this._unwrappedTextLines=a._unwrappedLines; this._text=a.graphemeText;return a},initDimensions:function(){this.__skipDimension||(this._splitText(),this._clearCache(),this.width=this.calcTextWidth()||this.cursorWidth||this.MIN_TEXT_WIDTH,-1!==this.textAlign.indexOf("justify")&&this.enlargeSpaces(),this.height=this.calcTextHeight(),this.saveState({propertySet:"_dimensionAffectingProps"}))},enlargeSpaces:function(){for(var a,b,c,d,g,k=0,n=this._textLines.length;k<n;k++)if("justify"===this.textAlign||k!==n-1&&!this.isEndOfWrapping(k))if(c=0,d= this._textLines[k],a=this.getLineWidth(k),a<this.width&&(g=this.textLines[k].match(this._reSpacesAndTabs))){b=g.length;a=(this.width-a)/b;for(var t=0,x=d.length;t<=x;t++)b=this.__charBounds[k][t],this._reSpaceAndTab.test(d[t])?(b.width+=a,b.kernedWidth+=a,b.left+=c,c+=a):b.left+=c}},isEndOfWrapping:function(a){return a===this._textLines.length-1},toString:function(){return"#\x3cfabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }\x3e'},_getCacheCanvasDimensions:function(){var a= this.callSuper("_getCacheCanvasDimensions"),b=this.fontSize;a.width+=b*a.zoomX;a.height+=b*a.zoomY;return a},_render:function(a){this._setTextStyles(a);this._renderTextLinesBackground(a);this._renderTextDecoration(a,"underline");this._renderText(a);this._renderTextDecoration(a,"overline");this._renderTextDecoration(a,"linethrough")},_renderText:function(a){"stroke"===this.paintFirst?(this._renderTextStroke(a),this._renderTextFill(a)):(this._renderTextFill(a),this._renderTextStroke(a))},_setTextStyles:function(a, b,c){a.textBaseline="alphabetic";a.font=this._getFontDeclaration(b,c)},calcTextWidth:function(){for(var a=this.getLineWidth(0),b=1,c=this._textLines.length;b<c;b++){var d=this.getLineWidth(b);d>a&&(a=d)}return a},_renderTextLine:function(a,b,c,d,g,k){this._renderChars(a,b,c,d,g,k)},_renderTextLinesBackground:function(a){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var b=0,c,d,g=a.fillStyle,k,n,t=this._getLeftOffset(),x=this._getTopOffset(),r,v,p,B=0,l=this._textLines.length;B< l;B++){c=this.getHeightOfLine(B);if(this.textBackgroundColor||this.styleHas("textBackgroundColor",B)){k=this._textLines[B];d=this._getLineLeftOffset(B);r=v=0;n=this.getValueOfPropertyAt(B,0,"textBackgroundColor");for(var E=0,C=k.length;E<C;E++)k=this.__charBounds[B][E],p=this.getValueOfPropertyAt(B,E,"textBackgroundColor"),p!==n?((a.fillStyle=n)&&a.fillRect(t+d+r,x+b,v,c/this.lineHeight),r=k.left,v=k.width,n=p):v+=k.kernedWidth;p&&(a.fillStyle=p,a.fillRect(t+d+r,x+b,v,c/this.lineHeight))}b+=c}a.fillStyle= g;this._removeShadow(a)}},getFontCache:function(a){var c=a.fontFamily.toLowerCase();b.charWidthsCache[c]||(b.charWidthsCache[c]={});c=b.charWidthsCache[c];a=a.fontStyle.toLowerCase()+"_"+(a.fontWeight+"").toLowerCase();c[a]||(c[a]={});return c[a]},_applyCharStyles:function(a,b,c,d,g){this._setFillStyles(b,g);this._setStrokeStyles(b,g);b.font=this._getFontDeclaration(g)},_measureChar:function(a,b,c,d){var e=this.getFontCache(b),f=this._getFontDeclaration(b),h=this._getFontDeclaration(d);d=c+a;var f= f===h,t,x,r,h=b.fontSize/this.CACHE_FONT_SIZE,v;c&&void 0!==e[c]&&(r=e[c]);void 0!==e[a]&&(v=t=e[a]);f&&void 0!==e[d]&&(x=e[d],v=x-r);if(void 0===t||void 0===r||void 0===x){var p=this.getMeasuringContext();this._setTextStyles(p,b,!0)}void 0===t&&(v=t=p.measureText(a).width,e[a]=t);void 0===r&&f&&c&&(r=p.measureText(c).width,e[c]=r);f&&void 0===x&&(x=p.measureText(d).width,e[d]=x,v=x-r);return{width:t*h,kernedWidth:v*h}},getHeightOfChar:function(a,b){return this.getValueOfPropertyAt(a,b,"fontSize")}, measureLine:function(a){a=this._measureLine(a);0!==this.charSpacing&&(a.width-=this._getWidthOfCharSpacing());0>a.width&&(a.width=0);return a},_measureLine:function(a){var b=0,c,d,g=this._textLines[a],k,n,t=Array(g.length);this.__charBounds[a]=t;for(c=0;c<g.length;c++)d=g[c],n=this._getGraphemeBox(d,a,c,k),t[c]=n,b+=n.kernedWidth,k=d;t[c]={left:n?n.left+n.width:0,width:0,kernedWidth:0,height:this.fontSize};return{width:b,numOfSpaces:0}},_getGraphemeBox:function(a,b,c,d,g){var e=this.getCompleteStyleDeclaration(b, c),f=d?this.getCompleteStyleDeclaration(b,c-1):{};a=this._measureChar(a,e,d,f);d=a.kernedWidth;var f=a.width,h;0!==this.charSpacing&&(h=this._getWidthOfCharSpacing(),f+=h,d+=h);e={width:f,left:0,height:e.fontSize,kernedWidth:d,deltaY:e.deltaY};0<c&&!g&&(b=this.__charBounds[b][c-1],e.left=b.left+b.width+a.kernedWidth-a.width);return e},getHeightOfLine:function(a){if(this.__lineHeights[a])return this.__lineHeights[a];for(var b=this._textLines[a],c=this.getHeightOfChar(a,0),d=1,b=b.length;d<b;d++)c= Math.max(this.getHeightOfChar(a,d),c);return this.__lineHeights[a]=c*this.lineHeight*this._fontSizeMult},calcTextHeight:function(){for(var a,b=0,c=0,d=this._textLines.length;c<d;c++)a=this.getHeightOfLine(c),b+=c===d-1?a/this.lineHeight:a;return b},_getLeftOffset:function(){return-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextCommon:function(a,b){a.save();for(var c=0,d=this._getLeftOffset(),e=this._getTopOffset(),k=this._applyPatternGradientTransform(a,"fillText"===b?this.fill: this.stroke),n=0,t=this._textLines.length;n<t;n++){var x=this.getHeightOfLine(n),r=x/this.lineHeight,v=this._getLineLeftOffset(n);this._renderTextLine(b,a,this._textLines[n],d+v-k.offsetX,e+c+r-k.offsetY,n);c+=x}a.restore()},_renderTextFill:function(a){(this.fill||this.styleHas("fill"))&&this._renderTextCommon(a,"fillText")},_renderTextStroke:function(a){if(this.stroke&&0!==this.strokeWidth||!this.isEmptyStyles())this.shadow&&!this.shadow.affectStroke&&this._removeShadow(a),a.save(),this._setLineDash(a, this.strokeDashArray),a.beginPath(),this._renderTextCommon(a,"strokeText"),a.closePath(),a.restore()},_renderChars:function(a,b,c,d,g,k){var e=this.getHeightOfLine(k),f=-1!==this.textAlign.indexOf("justify"),h,r,v="",p,B=0,l;p=!f&&0===this.charSpacing&&this.isEmptyStyles(k);b.save();g-=e*this._fontSizeFraction/this.lineHeight;if(p)this._renderChar(a,b,k,0,this.textLines[k],d,g,e);else for(var E=0,C=c.length-1;E<=C;E++)l=E===C||this.charSpacing,v+=c[E],p=this.__charBounds[k][E],0===B?(d+=p.kernedWidth- p.width,B+=p.width):B+=p.kernedWidth,f&&!l&&this._reSpaceAndTab.test(c[E])&&(l=!0),l||(h=h||this.getCompleteStyleDeclaration(k,E),r=this.getCompleteStyleDeclaration(k,E+1),l=this._hasStyleChanged(h,r)),l&&(this._renderChar(a,b,k,E,v,d,g,e),v="",h=r,d+=B,B=0);b.restore()},_renderChar:function(a,b,c,d,g,k,n){var e=this._getStyleDeclaration(c,d),f=this.getCompleteStyleDeclaration(c,d),h="fillText"===a&&f.fill,v="strokeText"===a&&f.stroke&&f.strokeWidth;if(v||h)e&&b.save(),this._applyCharStyles(a,b,c, d,f),e&&e.textBackgroundColor&&this._removeShadow(b),e&&e.deltaY&&(n+=e.deltaY),h&&b.fillText(g,k,n),v&&b.strokeText(g,k,n),e&&b.restore()},setSuperscript:function(a,b){return this._setScript(a,b,this.superscript)},setSubscript:function(a,b){return this._setScript(a,b,this.subscript)},_setScript:function(a,b,c){var d=this.get2DCursorLocation(a,!0),e=this.getValueOfPropertyAt(d.lineIndex,d.charIndex,"fontSize"),d=this.getValueOfPropertyAt(d.lineIndex,d.charIndex,"deltaY");this.setSelectionStyles({fontSize:e* c.size,deltaY:d+e*c.baseline},a,b);return this},_hasStyleChanged:function(a,b){return a.fill!==b.fill||a.stroke!==b.stroke||a.strokeWidth!==b.strokeWidth||a.fontSize!==b.fontSize||a.fontFamily!==b.fontFamily||a.fontWeight!==b.fontWeight||a.fontStyle!==b.fontStyle||a.deltaY!==b.deltaY},_hasStyleChangedForSvg:function(a,b){return this._hasStyleChanged(a,b)||a.overline!==b.overline||a.underline!==b.underline||a.linethrough!==b.linethrough},_getLineLeftOffset:function(a){var b=this.getLineWidth(a);return"center"=== this.textAlign?(this.width-b)/2:"right"===this.textAlign?this.width-b:"justify-center"===this.textAlign&&this.isEndOfWrapping(a)?(this.width-b)/2:"justify-right"===this.textAlign&&this.isEndOfWrapping(a)?this.width-b:0},_clearCache:function(){this.__lineWidths=[];this.__lineHeights=[];this.__charBounds=[]},_shouldClearDimensionCache:function(){var a=this._forceClearCache;a||(a=this.hasStateChanged("_dimensionAffectingProps"));a&&(this.dirty=!0,this._forceClearCache=!1);return a},getLineWidth:function(a){if(this.__lineWidths[a])return this.__lineWidths[a]; var b;""===this._textLines[a]?b=0:(b=this.measureLine(a),b=b.width);return this.__lineWidths[a]=b},_getWidthOfCharSpacing:function(){return 0!==this.charSpacing?this.fontSize*this.charSpacing/1E3:0},getValueOfPropertyAt:function(a,b,c){return(a=this._getStyleDeclaration(a,b))&&"undefined"!==typeof a[c]?a[c]:this[c]},_renderTextDecoration:function(a,b){if(this[b]||this.styleHas(b)){for(var c,d,e,k,n,t,x,r=this._getLeftOffset(),v=this._getTopOffset(),p,B,l,E,C,m,y,z=this._getWidthOfCharSpacing(),w= 0,A=this._textLines.length;w<A;w++){c=this.getHeightOfLine(w);if(this[b]||this.styleHas(b,w)){e=this._textLines[w];d=c/this.lineHeight;k=this._getLineLeftOffset(w);l=B=0;x=this.getValueOfPropertyAt(w,0,b);y=this.getValueOfPropertyAt(w,0,"fill");p=v+d*(1-this._fontSizeFraction);d=this.getHeightOfChar(w,0);n=this.getValueOfPropertyAt(w,0,"deltaY");for(var u=0,q=e.length;u<q;u++)E=this.__charBounds[w][u],C=this.getValueOfPropertyAt(w,u,b),m=this.getValueOfPropertyAt(w,u,"fill"),e=this.getHeightOfChar(w, u),t=this.getValueOfPropertyAt(w,u,"deltaY"),(C!==x||m!==y||e!==d||t!==n)&&0<l?(a.fillStyle=y,x&&y&&a.fillRect(r+k+B,p+this.offsets[b]*d+n,l,this.fontSize/15),B=E.left,l=E.width,x=C,y=m,d=e,n=t):l+=E.kernedWidth;a.fillStyle=m;C&&m&&a.fillRect(r+k+B,p+this.offsets[b]*d+n,l-z,this.fontSize/15)}v+=c}this._removeShadow(a)}},_getFontDeclaration:function(a,c){a=a||this;var d=this.fontFamily,e=-1<b.Text.genericFonts.indexOf(d.toLowerCase()),d=void 0===d||-1<d.indexOf("'")||-1<d.indexOf('"')||e?a.fontFamily: '"'+a.fontFamily+'"';return[b.isLikelyNode?a.fontWeight:a.fontStyle,b.isLikelyNode?a.fontStyle:a.fontWeight,c?this.CACHE_FONT_SIZE+"px":a.fontSize+"px",d].join(" ")},render:function(a){!this.visible||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",a))},_splitTextIntoLines:function(a){a=a.split(this._reNewline);for(var c=Array(a.length),d=["\n"],h=[],g=0;g<a.length;g++)c[g]=b.util.string.graphemeSplit(a[g]), h=h.concat(c[g],d);h.pop();return{_unwrappedLines:c,lines:a,graphemeText:h,graphemeLines:c}},toObject:function(a){a="text fontSize fontWeight fontFamily fontStyle lineHeight underline overline linethrough textAlign textBackgroundColor charSpacing".split(" ").concat(a);a=this.callSuper("toObject",a);a.styles=d(this.styles,!0);return a},set:function(a,b){this.callSuper("set",a,b);b=!1;if("object"===typeof a)for(var c in a)b=b||-1!==this._dimensionAffectingProps.indexOf(c);else b=-1!==this._dimensionAffectingProps.indexOf(a); b&&(this.initDimensions(),this.setCoords());return this},complexity:function(){return 1}}),b.Text.ATTRIBUTE_NAMES=b.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size letter-spacing text-decoration text-anchor".split(" ")),b.Text.DEFAULT_SVG_FONT_SIZE=16,b.Text.fromElement=function(a,c,f){if(!a)return c(null);var e=b.parseAttributes(a,b.Text.ATTRIBUTE_NAMES),g=e.textAnchor||"left";f=b.util.object.extend(f?d(f):{},e);f.top=f.top||0;f.left=f.left||0;if(e.textDecoration){var k= e.textDecoration;-1!==k.indexOf("underline")&&(f.underline=!0);-1!==k.indexOf("overline")&&(f.overline=!0);-1!==k.indexOf("line-through")&&(f.linethrough=!0);delete f.textDecoration}"dx"in e&&(f.left+=e.dx);"dy"in e&&(f.top+=e.dy);"fontSize"in f||(f.fontSize=b.Text.DEFAULT_SVG_FONT_SIZE);e="";"textContent"in a?e=a.textContent:"firstChild"in a&&null!==a.firstChild&&"data"in a.firstChild&&null!==a.firstChild.data&&(e=a.firstChild.data);e=e.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");a=f.strokeWidth; f.strokeWidth=0;f=new b.Text(e,f);e=f.getScaledHeight()/f.height;e*=(f.height+f.strokeWidth)*f.lineHeight-f.height;e=f.getScaledHeight()+e;k=0;"center"===g&&(k=f.getScaledWidth()/2);"right"===g&&(k=f.getScaledWidth());f.set({left:f.left-k,top:f.top-(e-f.fontSize*(.07+f._fontSizeFraction))/f.lineHeight,strokeWidth:"undefined"!==typeof a?a:1});c(f)},b.Text.fromObject=function(a,c){return b.Object._fromObject("Text",a,c,"text")},b.Text.genericFonts=["sans-serif","serif","cursive","fantasy","monospace"], b.util.createAccessors&&b.util.createAccessors(b.Text))})("undefined"!==typeof exports?exports:this); (function(){fabric.util.object.extend(fabric.Text.prototype,{isEmptyStyles:function(c){if(!this.styles||"undefined"!==typeof c&&!this.styles[c])return!0;c="undefined"===typeof c?this.styles:{line:this.styles[c]};for(var b in c)for(var d in c[b])for(var a in c[b][d])return!1;return!0},styleHas:function(c,b){if(!this.styles||!c||""===c||"undefined"!==typeof b&&!this.styles[b])return!1;b="undefined"===typeof b?this.styles:{line:this.styles[b]};for(var d in b)for(var a in b[d])if("undefined"!==typeof b[d][a][c])return!0; return!1},cleanStyle:function(c){if(!this.styles||!c||""===c)return!1;var b=this.styles,d=0,a,e,f=!0,h=0,g,k;for(k in b){a=0;for(var n in b[k]){g=b[k][n];var t=g.hasOwnProperty(c);d++;t?(e?g[c]!==e&&(f=!1):e=g[c],g[c]===this[c]&&delete g[c]):f=!1;0!==Object.keys(g).length?a++:delete b[k][n]}0===a&&delete b[k]}for(b=0;b<this._textLines.length;b++)h+=this._textLines[b].length;f&&d===h&&(this[c]=e,this.removeStyle(c))},removeStyle:function(c){if(this.styles&&c&&""!==c){var b=this.styles,d,a,e;for(a in b){d= b[a];for(e in d)delete d[e][c],0===Object.keys(d[e]).length&&delete d[e];0===Object.keys(d).length&&delete b[a]}}},_extendStyles:function(c,b){c=this.get2DCursorLocation(c);this._getLineStyle(c.lineIndex)||this._setLineStyle(c.lineIndex,{});this._getStyleDeclaration(c.lineIndex,c.charIndex)||this._setStyleDeclaration(c.lineIndex,c.charIndex,{});fabric.util.object.extend(this._getStyleDeclaration(c.lineIndex,c.charIndex),b)},get2DCursorLocation:function(c,b){"undefined"===typeof c&&(c=this.selectionStart); b=b?this._unwrappedTextLines:this._textLines;for(var d=b.length,a=0;a<d;a++){if(c<=b[a].length)return{lineIndex:a,charIndex:c};c-=b[a].length+1}return{lineIndex:a-1,charIndex:b[a-1].length<c?b[a-1].length:c}},getSelectionStyles:function(c,b,d){"undefined"===typeof c&&(c=this.selectionStart||0);"undefined"===typeof b&&(b=this.selectionEnd||c);for(var a=[];c<b;c++)a.push(this.getStyleAtPosition(c,d));return a},getStyleAtPosition:function(c,b){c=this.get2DCursorLocation(c);return(b?this.getCompleteStyleDeclaration(c.lineIndex, c.charIndex):this._getStyleDeclaration(c.lineIndex,c.charIndex))||{}},setSelectionStyles:function(c,b,d){"undefined"===typeof b&&(b=this.selectionStart||0);for("undefined"===typeof d&&(d=this.selectionEnd||b);b<d;b++)this._extendStyles(b,c);this._forceClearCache=!0;return this},_getStyleDeclaration:function(c,b){return(c=this.styles&&this.styles[c])?c[b]:null},getCompleteStyleDeclaration:function(c,b){c=this._getStyleDeclaration(c,b)||{};b={};for(var d,a=0;a<this._styleProperties.length;a++)d=this._styleProperties[a], b[d]="undefined"===typeof c[d]?this[d]:c[d];return b},_setStyleDeclaration:function(c,b,d){this.styles[c][b]=d},_deleteStyleDeclaration:function(c,b){delete this.styles[c][b]},_getLineStyle:function(c){return this.styles[c]},_setLineStyle:function(c,b){this.styles[c]=b},_deleteLineStyle:function(c){delete this.styles[c]}})})(); (function(){function c(b){b.textDecoration&&(-1<b.textDecoration.indexOf("underline")&&(b.underline=!0),-1<b.textDecoration.indexOf("line-through")&&(b.linethrough=!0),-1<b.textDecoration.indexOf("overline")&&(b.overline=!0),delete b.textDecoration)}fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333", cursorDelay:1E3,cursorDuration:600,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(b,c){this.callSuper("initialize",b,c);this.initBehavior()},setSelectionStart:function(b){b=Math.max(b,0);this._updateAndFire("selectionStart",b)},setSelectionEnd:function(b){b=Math.min(b,this.text.length);this._updateAndFire("selectionEnd",b)},_updateAndFire:function(b,c){this[b]!==c&&(this._fireSelectionChanged(), this[b]=c);this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed");this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},initDimensions:function(){this.isEditing&&this.initDelayedCursor();this.clearContextTop();this.callSuper("initDimensions")},render:function(b){this.clearContextTop();this.callSuper("render",b);this.cursorOffsetCache={};this.renderCursorOrSelection()},_render:function(b){this.callSuper("_render",b)},clearContextTop:function(b){if(this.isEditing&& this.canvas&&this.canvas.contextTop){var c=this.canvas.contextTop,a=this.canvas.viewportTransform;c.save();c.transform(a[0],a[1],a[2],a[3],a[4],a[5]);this.transform(c);this.transformMatrix&&c.transform.apply(c,this.transformMatrix);this._clearTextArea(c);b||c.restore()}},renderCursorOrSelection:function(){if(this.isEditing&&this.canvas){var b=this._getCursorBoundaries(),c;this.canvas&&this.canvas.contextTop?(c=this.canvas.contextTop,this.clearContextTop(!0)):(c=this.canvas.contextContainer,c.save()); this.selectionStart===this.selectionEnd?this.renderCursor(b,c):this.renderSelection(b,c);c.restore()}},_clearTextArea:function(b){var c=this.width+4,a=this.height+4;b.clearRect(-c/2,-a/2,c,a)},_getCursorBoundaries:function(b){"undefined"===typeof b&&(b=this.selectionStart);var c=this._getLeftOffset(),a=this._getTopOffset();b=this._getCursorBoundariesOffsets(b);return{left:c,top:a,leftOffset:b.left,topOffset:b.top}},_getCursorBoundariesOffsets:function(b){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache)return this.cursorOffsetCache; var c,a,e=0,f=0;a=this.get2DCursorLocation(b);b=a.charIndex;a=a.lineIndex;for(c=0;c<a;c++)e+=this.getHeightOfLine(c);c=this._getLineLeftOffset(a);var h=this.__charBounds[a][b];h&&(f=h.left);0!==this.charSpacing&&b===this._textLines[a].length&&(f-=this._getWidthOfCharSpacing());return this.cursorOffsetCache={top:e,left:c+(0<f?f:0)}},renderCursor:function(b,c){var a=this.get2DCursorLocation(),d=a.lineIndex,a=0<a.charIndex?a.charIndex-1:0,f=this.getValueOfPropertyAt(d,a,"fontSize"),h=this.scaleX*this.canvas.getZoom(), h=this.cursorWidth/h,g=b.topOffset,k=this.getValueOfPropertyAt(d,a,"deltaY"),g=g+((1-this._fontSizeFraction)*this.getHeightOfLine(d)/this.lineHeight-f*(1-this._fontSizeFraction));this.inCompositionMode&&this.renderSelection(b,c);c.fillStyle=this.getValueOfPropertyAt(d,a,"fill");c.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity;c.fillRect(b.left+b.leftOffset-h/2,g+b.top+k,h,f)},renderSelection:function(b,c){for(var a=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart, d=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,f=-1!==this.textAlign.indexOf("justify"),h=this.get2DCursorLocation(a),g=this.get2DCursorLocation(d),d=h.lineIndex,a=g.lineIndex,h=0>h.charIndex?0:h.charIndex,g=0>g.charIndex?0:g.charIndex,k=d;k<=a;k++){var n=this._getLineLeftOffset(k)||0,t=this.getHeightOfLine(k),x,r=0,v=0;k===d&&(r=this.__charBounds[d][h].left);k>=d&&k<a?v=f&&!this.isEndOfWrapping(k)?this.width:this.getLineWidth(k)||5:k===a&&(0===g?v=this.__charBounds[a][g].left: (x=this._getWidthOfCharSpacing(),v=this.__charBounds[a][g-1].left+this.__charBounds[a][g-1].width-x));x=t;if(1>this.lineHeight||k===a&&1<this.lineHeight)t/=this.lineHeight;this.inCompositionMode?(c.fillStyle=this.compositionColor||"black",c.fillRect(b.left+n+r,b.top+b.topOffset+t,v-r,1)):(c.fillStyle=this.selectionColor,c.fillRect(b.left+n+r,b.top+b.topOffset,v-r,t));b.topOffset+=x}},getCurrentCharFontSize:function(){var b=this._getCurrentCharIndex();return this.getValueOfPropertyAt(b.l,b.c,"fontSize")}, getCurrentCharColor:function(){var b=this._getCurrentCharIndex();return this.getValueOfPropertyAt(b.l,b.c,"fill")},_getCurrentCharIndex:function(){var b=this.get2DCursorLocation(this.selectionStart,!0);return{l:b.lineIndex,c:0<b.charIndex?b.charIndex-1:0}}});fabric.IText.fromObject=function(b,d){c(b);if(b.styles)for(var a in b.styles)for(var e in b.styles[a])c(b.styles[a][e]);fabric.Object._fromObject("IText",b,d,"text")}})(); (function(){var c=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler();this.initRemovedHandler();this.initCursorSelectionHandlers();this.initDoubleClickSimulation();this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(){this.isEditing&&this.exitEditing();this.selected=!1},initAddedHandler:function(){var b=this;this.on("added",function(){var c=b.canvas;c&&(c._hasITextHandlers||(c._hasITextHandlers=!0,b._initCanvasHandlers(c)), c._iTextInstances=c._iTextInstances||[],c._iTextInstances.push(b))})},initRemovedHandler:function(){var b=this;this.on("removed",function(){var c=b.canvas;c&&(c._iTextInstances=c._iTextInstances||[],fabric.util.removeFromArray(c._iTextInstances,b),0===c._iTextInstances.length&&(c._hasITextHandlers=!1,b._removeCanvasHandlers(c)))})},_initCanvasHandlers:function(b){b._mouseUpITextHandler=function(){b._iTextInstances&&b._iTextInstances.forEach(function(b){b.__isMousedown=!1})};b.on("mouse:up",b._mouseUpITextHandler)}, _removeCanvasHandlers:function(b){b.off("mouse:up",b._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(b,c,a,e){var d;d={isAborted:!1,abort:function(){this.isAborted=!0}};b.animate("_currentCursorOpacity",c,{duration:a,onComplete:function(){if(!d.isAborted)b[e]()},onChange:function(){b.canvas&&b.selectionStart===b.selectionEnd&&b.renderCursorOrSelection()},abort:function(){return d.isAborted}}); return d},_onTickComplete:function(){var b=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1);this._cursorTimeout1=setTimeout(function(){b._currentTickCompleteState=b._animateCursor(b,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(b){var c=this;b=b?0:this.cursorDelay;this.abortCursorAnimation();this._currentCursorOpacity=1;this._cursorTimeout2=setTimeout(function(){c._tick()},b)},abortCursorAnimation:function(){var b=this._currentTickState||this._currentTickCompleteState, c=this.canvas;this._currentTickState&&this._currentTickState.abort();this._currentTickCompleteState&&this._currentTickCompleteState.abort();clearTimeout(this._cursorTimeout1);clearTimeout(this._cursorTimeout2);this._currentCursorOpacity=0;b&&c&&c.clearContext(c.contextTop||c.contextContainer)},selectAll:function(){this.selectionStart=0;this.selectionEnd=this._text.length;this._fireSelectionChanged();this._updateTextarea();return this},getSelectedText:function(){return this._text.slice(this.selectionStart, this.selectionEnd).join("")},findWordBoundaryLeft:function(b){var c=0,a=b-1;if(this._reSpace.test(this._text[a]))for(;this._reSpace.test(this._text[a]);)c++,a--;for(;/\S/.test(this._text[a])&&-1<a;)c++,a--;return b-c},findWordBoundaryRight:function(b){var c=0,a=b;if(this._reSpace.test(this._text[a]))for(;this._reSpace.test(this._text[a]);)c++,a++;for(;/\S/.test(this._text[a])&&a<this.text.length;)c++,a++;return b+c},findLineBoundaryLeft:function(b){for(var c=0,a=b-1;!/\n/.test(this._text[a])&&-1< a;)c++,a--;return b-c},findLineBoundaryRight:function(b){for(var c=0,a=b;!/\n/.test(this._text[a])&&a<this.text.length;)c++,a++;return b+c},searchWordBoundary:function(b,c){b=this._reSpace.test(this.text.charAt(b))?b-1:b;for(var a=this.text.charAt(b),d=/[ \n\.,;!\?\-]/;!d.test(a)&&0<b&&b<this.text.length;)b+=c,a=this.text.charAt(b);d.test(a)&&"\n"!==a&&(b+=1===c?0:1);return b},selectWord:function(b){b=b||this.selectionStart;var c=this.searchWordBoundary(b,-1);b=this.searchWordBoundary(b,1);this.selectionStart= c;this.selectionEnd=b;this._fireSelectionChanged();this._updateTextarea();this.renderCursorOrSelection()},selectLine:function(b){b=b||this.selectionStart;var c=this.findLineBoundaryLeft(b);b=this.findLineBoundaryRight(b);this.selectionStart=c;this.selectionEnd=b;this._fireSelectionChanged();this._updateTextarea();return this},enterEditing:function(b){if(!this.isEditing&&this.editable){this.canvas&&(this.canvas.calcOffset(),this.exitEditingOnOthers(this.canvas));this.isEditing=!0;this.initHiddenTextarea(b); this.hiddenTextarea.focus();this.hiddenTextarea.value=this.text;this._updateTextarea();this._saveEditingProps();this._setEditingProps();this._textBeforeEdit=this.text;this._tick();this.fire("editing:entered");this._fireSelectionChanged();if(!this.canvas)return this;this.canvas.fire("text:editing:entered",{target:this});this.initMouseMoveHandler();this.canvas.requestRenderAll();return this}},exitEditingOnOthers:function(b){b._iTextInstances&&b._iTextInstances.forEach(function(b){b.selected=!1;b.isEditing&& b.exitEditing()})},initMouseMoveHandler:function(){this.canvas.on("mouse:move",this.mouseMoveHandler)},mouseMoveHandler:function(b){if(this.__isMousedown&&this.isEditing){b=this.getSelectionStartFromPointer(b.e);var c=this.selectionStart,a=this.selectionEnd;if(b===this.__selectionStartOnMouseDown&&c!==a||c!==b&&a!==b)if(b>this.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=b):(this.selectionStart=b,this.selectionEnd=this.__selectionStartOnMouseDown), this.selectionStart!==c||this.selectionEnd!==a)this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()}},_setEditingProps:function(){this.hoverCursor="text";this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text");this.borderColor=this.editingBorderColor;this.hasControls=this.selectable=!1;this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(b,c,a){var d=a.slice(0,b),d=fabric.util.string.graphemeSplit(d).length; if(b===c)return{selectionStart:d,selectionEnd:d};b=a.slice(b,c);b=fabric.util.string.graphemeSplit(b).length;return{selectionStart:d,selectionEnd:d+b}},fromGraphemeToStringSelection:function(b,c,a){var d=a.slice(0,b).join("").length;if(b===c)return{selectionStart:d,selectionEnd:d};b=a.slice(b,c).join("").length;return{selectionStart:d,selectionEnd:d+b}},_updateTextarea:function(){this.cursorOffsetCache={};if(this.hiddenTextarea){if(!this.inCompositionMode){var b=this.fromGraphemeToStringSelection(this.selectionStart, this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=b.selectionStart;this.hiddenTextarea.selectionEnd=b.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={};this.text=this.hiddenTextarea.value;this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());var b=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd= this.selectionStart=b.selectionEnd;this.inCompositionMode||(this.selectionStart=b.selectionStart);this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var b=this._calcTextareaPosition();this.hiddenTextarea.style.left=b.left;this.hiddenTextarea.style.top=b.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var b=this.inCompositionMode?this.compositionStart:this.selectionStart,c=this._getCursorBoundaries(b),b=this.get2DCursorLocation(b), b=this.getValueOfPropertyAt(b.lineIndex,b.charIndex,"fontSize")*this.lineHeight,a=c.leftOffset,e=this.calcTransformMatrix(),c={x:c.left+a,y:c.top+c.topOffset+b},f=this.canvas.upperCanvasEl,h=f.width,g=f.height,a=h-b,k=g-b,h=f.clientWidth/h,f=f.clientHeight/g,c=fabric.util.transformPoint(c,e),c=fabric.util.transformPoint(c,this.canvas.viewportTransform);c.x*=h;c.y*=f;0>c.x&&(c.x=0);c.x>a&&(c.x=a);0>c.y&&(c.y=0);c.y>k&&(c.y=k);c.x+=this.canvas._offset.left;c.y+=this.canvas._offset.top;return{left:c.x+ "px",top:c.y+"px",fontSize:b+"px",charHeight:b}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.hoverCursor,this.hasControls=this._savedProps.hasControls,this.borderColor= this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var b=this._textBeforeEdit!==this.text;this.isEditing=this.selected=!1;this.selectable=!0;this.selectionEnd=this.selectionStart;this.hiddenTextarea&&(this.hiddenTextarea.blur&&this.hiddenTextarea.blur(),this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea), this.hiddenTextarea=null);this.abortCursorAnimation();this._restoreEditingProps();this._currentCursorOpacity=0;this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());this.fire("editing:exited");b&&this.fire("modified");this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),b&&this.canvas.fire("object:modified",{target:this}));return this},_removeExtraneousStyles:function(){for(var b in this.styles)this._textLines[b]|| delete this.styles[b]},removeStyleFromTo:function(b,c){b=this.get2DCursorLocation(b,!0);var a=this.get2DCursorLocation(c,!0);c=b.lineIndex;b=b.charIndex;var d=a.lineIndex,a=a.charIndex,f,h;if(c!==d){if(this.styles[c])for(f=b;f<this._unwrappedTextLines[c].length;f++)delete this.styles[c][f];if(this.styles[d])for(f=a;f<this._unwrappedTextLines[d].length;f++)if(h=this.styles[d][f])this.styles[c]||(this.styles[c]={}),this.styles[c][b+f-a]=h;for(f=c+1;f<=d;f++)delete this.styles[f];this.shiftLineStyles(d, c-d)}else if(this.styles[c]){h=this.styles[c];var d=a-b,g;for(f=b;f<a;f++)delete h[f];for(g in this.styles[c])c=parseInt(g,10),c>=a&&(h[c-d]=h[g],delete h[g])}},shiftLineStyles:function(b,d){var a=c(this.styles),e;for(e in this.styles){var f=parseInt(e,10);f>b&&(this.styles[f+d]=a[f],a[f-d]||delete this.styles[f])}},restartCursorIfNeeded:function(){this._currentTickState&&!this._currentTickState.isAborted&&this._currentTickCompleteState&&!this._currentTickCompleteState.isAborted||this.initDelayedCursor()}, insertNewlineStyleObject:function(b,d,a,e){var f,h={},g=!1;a||(a=1);this.shiftLineStyles(b,a);this.styles[b]&&(f=this.styles[b][0===d?d:d-1]);for(var k in this.styles[b]){var n=parseInt(k,10);n>=d&&(g=!0,h[n-d]=this.styles[b][k],delete this.styles[b][k])}for(g?this.styles[b+a]=h:delete this.styles[b+a];1<a;)a--,e&&e[a]?this.styles[b+a]={0:c(e[a])}:f?this.styles[b+a]={0:c(f)}:delete this.styles[b+a];this._forceClearCache=!0},insertCharStyleObject:function(b,d,a,e){this.styles||(this.styles={});var f= this.styles[b],h=f?c(f):{};a||(a=1);for(var g in h){var k=parseInt(g,10);k>=d&&(f[k+a]=h[k],h[k-a]||delete f[k])}this._forceClearCache=!0;if(e)for(;a--;)Object.keys(e[a]).length&&(this.styles[b]||(this.styles[b]={}),this.styles[b][d+a]=c(e[a]));else if(f)for(e=f[d?d-1:1];e&&a--;)this.styles[b][d+a]=c(e)},insertNewStyleBlock:function(b,c,a){c=this.get2DCursorLocation(c,!0);for(var d=[0],f=0,h=0;h<b.length;h++)"\n"===b[h]?(f++,d[f]=0):d[f]++;0<d[0]&&(this.insertCharStyleObject(c.lineIndex,c.charIndex, d[0],a),a=a&&a.slice(d[0]+1));f&&this.insertNewlineStyleObject(c.lineIndex,c.charIndex+d[0],f);for(h=1;h<f;h++)0<d[h]?this.insertCharStyleObject(c.lineIndex+h,0,d[h],a):a&&(this.styles[c.lineIndex+h][0]=a[0]),a=a&&a.slice(d[h]+1);0<d[h]&&this.insertCharStyleObject(c.lineIndex+h,0,d[h],a)},setSelectionStartEndWithShift:function(b,c,a){a<=b?(c===b?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=b),this.selectionStart=a):a>b&&a<c? "right"===this._selectionDirection?this.selectionEnd=a:this.selectionStart=a:(c===b?this._selectionDirection="right":"left"===this._selectionDirection&&(this._selectionDirection="right",this.selectionStart=c),this.selectionEnd=a)},setSelectionInBoundaries:function(){var b=this.text.length;this.selectionStart>b?this.selectionStart=b:0>this.selectionStart&&(this.selectionStart=0);this.selectionEnd>b?this.selectionEnd=b:0>this.selectionEnd&&(this.selectionEnd=0)}})})(); fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date;this.__lastLastClickTime=+new Date;this.__lastPointer={};this.on("mousedown",this.onMouseDown)},onMouseDown:function(c){if(this.canvas){this.__newClickTime=+new Date;var b=c.pointer;this.isTripleClick(b)&&(this.fire("tripleclick",c),this._stopEvent(c.e));this.__lastLastClickTime=this.__lastClickTime;this.__lastClickTime=this.__newClickTime;this.__lastPointer=b;this.__lastIsEditing= this.isEditing;this.__lastSelected=this.selected}},isTripleClick:function(c){return 500>this.__newClickTime-this.__lastClickTime&&500>this.__lastClickTime-this.__lastLastClickTime&&this.__lastPointer.x===c.x&&this.__lastPointer.y===c.y},_stopEvent:function(c){c.preventDefault&&c.preventDefault();c.stopPropagation&&c.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler();this.initMouseupHandler();this.initClicks()},initClicks:function(){this.on("mousedblclick",function(c){this.selectWord(this.getSelectionStartFromPointer(c.e))}); this.on("tripleclick",function(c){this.selectLine(this.getSelectionStartFromPointer(c.e))})},_mouseDownHandler:function(c){!this.canvas||!this.editable||c.e.button&&1!==c.e.button||(this.__isMousedown=!0,this.selected&&this.setCursorByClick(c.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection()))},_mouseDownHandlerBefore:function(c){!this.canvas||!this.editable||c.e.button&&1!== c.e.button||this!==this.canvas._activeObject||(this.selected=!0)},initMousedownHandler:function(){this.on("mousedown",this._mouseDownHandler);this.on("mousedown:before",this._mouseDownHandlerBefore)},initMouseupHandler:function(){this.on("mouseup",this.mouseUpHandler)},mouseUpHandler:function(c){this.__isMousedown=!1;if(!(!this.editable||this.group||c.transform&&c.transform.actionPerformed||c.e.button&&1!==c.e.button)){if(this.canvas){var b=this.canvas._activeObject;if(b&&b!==this)return}this.__lastSelected&& !this.__corner?(this.__lastSelected=this.selected=!1,this.enterEditing(c.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()):this.selected=!0}},setCursorByClick:function(c){var b=this.getSelectionStartFromPointer(c),d=this.selectionStart,a=this.selectionEnd;c.shiftKey?this.setSelectionStartEndWithShift(d,a,b):this.selectionEnd=this.selectionStart=b;this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(c){c= this.getLocalPointer(c);for(var b=0,d,a=d=0,e=0,f=0,h=this._textLines.length;f<h;f++)if(d<=c.y)d+=this.getHeightOfLine(f)*this.scaleY,e=f,0<f&&(a+=this._textLines[f-1].length+1);else break;d=this._getLineLeftOffset(e)*this.scaleX;f=0;for(h=this._textLines[e].length;f<h;f++)if(b=d,d+=this.__charBounds[e][f].kernedWidth*this.scaleX,d<=c.x)a++;else break;return this._getNewSelectionStartFromOffset(c,b,d,a,h)},_getNewSelectionStartFromOffset:function(c,b,d,a,e){d-=c.x;c=a+(d>c.x-b||0>d?0:1);this.flipX&& (c=e-c);c>this._text.length&&(c=this._text.length);return c}}); fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea");this.hiddenTextarea.setAttribute("autocapitalize","off");this.hiddenTextarea.setAttribute("autocorrect","off");this.hiddenTextarea.setAttribute("autocomplete","off");this.hiddenTextarea.setAttribute("spellcheck","false");this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea","");this.hiddenTextarea.setAttribute("wrap","off");var c=this._calcTextareaPosition(); this.hiddenTextarea.style.cssText="position: absolute; top: "+c.top+"; left: "+c.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; paddingｰtop: "+c.fontSize+";";fabric.document.body.appendChild(this.hiddenTextarea);fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this));fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this));fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this));fabric.util.addListener(this.hiddenTextarea, "copy",this.copy.bind(this));fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this));fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this));fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this));fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this));fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this));!this._clickHandlerInitialized&& this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(c){if(this.isEditing&& !this.inCompositionMode){if(c.keyCode in this.keysMap)this[this.keysMap[c.keyCode]](c);else if(c.keyCode in this.ctrlKeysMapDown&&(c.ctrlKey||c.metaKey))this[this.ctrlKeysMapDown[c.keyCode]](c);else return;c.stopImmediatePropagation();c.preventDefault();33<=c.keyCode&&40>=c.keyCode?(this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(c){!this.isEditing||this._copyDone||this.inCompositionMode?this._copyDone=!1:c.keyCode in this.ctrlKeysMapUp&& (c.ctrlKey||c.metaKey)&&(this[this.ctrlKeysMapUp[c.keyCode]](c),c.stopImmediatePropagation(),c.preventDefault(),this.canvas&&this.canvas.requestRenderAll())},onInput:function(c){var b=this.fromPaste;this.fromPaste=!1;c&&c.stopPropagation();if(this.isEditing){var d=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,a=this._text.length,e=d.length,f,h=e-a;if(""===this.hiddenTextarea.value)this.styles={};else{var g=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd, this.hiddenTextarea.value);c=this.selectionStart>g.selectionStart;this.selectionStart!==this.selectionEnd?(f=this._text.slice(this.selectionStart,this.selectionEnd),h+=this.selectionEnd-this.selectionStart):e<a&&(f=c?this._text.slice(this.selectionEnd+h,this.selectionEnd):this._text.slice(this.selectionStart,this.selectionStart-h));d=d.slice(g.selectionEnd-h,g.selectionEnd);f&&f.length&&(this.selectionStart!==this.selectionEnd?this.removeStyleFromTo(this.selectionStart,this.selectionEnd):c?this.removeStyleFromTo(this.selectionEnd- f.length,this.selectionEnd):this.removeStyleFromTo(this.selectionEnd,this.selectionEnd+f.length));d.length&&(b&&d.join("")===fabric.copiedText?this.insertNewStyleBlock(d,this.selectionStart,fabric.copiedTextStyle):this.insertNewStyleBlock(d,this.selectionStart))}this.updateFromTextArea();this.fire("changed");this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())}},onCompositionStart:function(){this.inCompositionMode=!0},onCompositionEnd:function(){this.inCompositionMode= !1},onCompositionUpdate:function(c){this.compositionStart=c.target.selectionStart;this.compositionEnd=c.target.selectionEnd;this.updateTextareaPosition()},copy:function(){this.selectionStart!==this.selectionEnd&&(fabric.copiedText=this.getSelectedText(),fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd,!0),this._copyDone=!0)},paste:function(){this.fromPaste=!0},_getClipboardData:function(c){return c&&c.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(c, b){var d=this._getLineLeftOffset(c);0<b&&(c=this.__charBounds[c][b-1],d+=c.left+c.width);return d},getDownCursorOffset:function(c,b){var d=this._getSelectionForOffset(c,b),a=this.get2DCursorLocation(d);b=a.lineIndex;if(b===this._textLines.length-1||c.metaKey||34===c.keyCode)return this._text.length-d;c=a.charIndex;d=this._getWidthBeforeCursor(b,c);d=this._getIndexOnLine(b+1,d);return this._textLines[b].slice(c).length+d+2},_getSelectionForOffset:function(c,b){return c.shiftKey&&this.selectionStart!== this.selectionEnd&&b?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(c,b){var d=this._getSelectionForOffset(c,b),a=this.get2DCursorLocation(d);b=a.lineIndex;if(0===b||c.metaKey||33===c.keyCode)return-d;c=a.charIndex;d=this._getWidthBeforeCursor(b,c);d=this._getIndexOnLine(b-1,d);c=this._textLines[b].slice(0,c);return-this._textLines[b-1].length+d-c.length},_getIndexOnLine:function(c,b){for(var d=this._textLines[c],a=this._getLineLeftOffset(c),e=0,f,h,g=0,k=d.length;g<k;g++)if(f= this.__charBounds[c][g].width,a+=f,a>b){h=!0;e=Math.abs(a-b)<Math.abs(a-f-b)?g:g-1;break}h||(e=d.length-1);return e},moveCursorDown:function(c){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",c)},moveCursorUp:function(c){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",c)},_moveCursorUpOrDown:function(c,b){c=this["get"+c+"CursorOffset"](b,"right"===this._selectionDirection);b.shiftKey?this.moveCursorWithShift(c): this.moveCursorWithoutShift(c);0!==c&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(c){this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,"left"===this._selectionDirection?this.selectionStart+c:this.selectionEnd+c);return 0!==c},moveCursorWithoutShift:function(c){0>c?this.selectionEnd=this.selectionStart+=c:this.selectionStart= this.selectionEnd+=c;return 0!==c},moveCursorLeft:function(c){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",c)},_move:function(c,b,d){if(c.altKey)c=this["findWordBoundary"+d](this[b]);else if(c.metaKey||35===c.keyCode||36===c.keyCode)c=this["findLineBoundary"+d](this[b]);else return this[b]+="Left"===d?-1:1,!0;if(this[b]!==c)return this[b]=c,!0},_moveLeft:function(c,b){return this._move(c,b,"Left")},_moveRight:function(c,b){return this._move(c,b,"Right")},moveCursorLeftWithoutShift:function(c){var b= !0;this._selectionDirection="left";this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(b=this._moveLeft(c,"selectionStart"));this.selectionEnd=this.selectionStart;return b},moveCursorLeftWithShift:function(c){if("right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd)return this._moveLeft(c,"selectionEnd");if(0!==this.selectionStart)return this._selectionDirection="left",this._moveLeft(c,"selectionStart")},moveCursorRight:function(c){this.selectionStart>=this._text.length&& this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",c)},_moveCursorLeftOrRight:function(c,b){c="moveCursor"+c+"With";this._currentCursorOpacity=1;c=b.shiftKey?c+"Shift":c+"outShift";this[c](b)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(c){if("left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd)return this._moveRight(c,"selectionStart");if(this.selectionEnd!== this._text.length)return this._selectionDirection="right",this._moveRight(c,"selectionEnd")},moveCursorRightWithoutShift:function(c){var b=!0;this._selectionDirection="right";this.selectionStart===this.selectionEnd?(b=this._moveRight(c,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd;return b},removeChars:function(c,b){"undefined"===typeof b&&(b=c+1);this.removeStyleFromTo(c,b);this._text.splice(c,b-c);this.text=this._text.join("");this.set("dirty",!0); this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());this._removeExtraneousStyles()},insertChars:function(c,b,d,a){"undefined"===typeof a&&(a=d);a>d&&this.removeStyleFromTo(d,a);c=fabric.util.string.graphemeSplit(c);this.insertNewStyleBlock(c,d,b);this._text=[].concat(this._text.slice(0,d),c,this._text.slice(a));this.text=this._text.join("");this.set("dirty",!0);this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());this._removeExtraneousStyles()}}); (function(){var c=fabric.util.toFixed,b=/ +/g;fabric.util.object.extend(fabric.Text.prototype,{toSVG:function(b){var a=this._getSVGLeftTopOffsets(),a=this._getSVGTextAndBg(a.textTop,a.textLeft),a=this._wrapSVGTextAndBg(a);return this._createBaseSVGMarkup(a,{reviver:b,noStyle:!0,withShadow:!0})},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(b){var a=this.getSvgTextDecoration(this);return[b.textBgRects.join(""), '\t\t\x3ctext xml:space\x3d"preserve" ',this.fontFamily?'font-family\x3d"'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size\x3d"'+this.fontSize+'" ':"",this.fontStyle?'font-style\x3d"'+this.fontStyle+'" ':"",this.fontWeight?'font-weight\x3d"'+this.fontWeight+'" ':"",a?'text-decoration\x3d"'+a+'" ':"",'style\x3d"',this.getSvgStyles(!0),'"',this.addPaintOrder()," \x3e",b.textSpans.join(""),"\x3c/text\x3e\n"]},_getSVGTextAndBg:function(b,a){var c=[],d=[],h;this._setSVGBg(d);for(var g= 0,k=this._textLines.length;g<k;g++)h=this._getLineLeftOffset(g),(this.textBackgroundColor||this.styleHas("textBackgroundColor",g))&&this._setSVGTextLineBg(d,g,a+h,b),this._setSVGTextLineText(c,g,a+h,b),b+=this.getHeightOfLine(g);return{textSpans:c,textBgRects:d}},_createTextCharSpan:function(d,a,e,f){var h=d!==d.trim()||d.match(b),h=(h=this.getSvgSpanStyles(a,h))?'style\x3d"'+h+'"':"";a=a.deltaY;var g="",k=fabric.Object.NUM_FRACTION_DIGITS;a&&(g=' dy\x3d"'+c(a,k)+'" ');return['\x3ctspan x\x3d"',c(e, k),'" y\x3d"',c(f,k),'" ',g,h,"\x3e",fabric.util.string.escapeXml(d),"\x3c/tspan\x3e"].join("")},_setSVGTextLineText:function(b,a,c,f){var d=this.getHeightOfLine(a),e=-1!==this.textAlign.indexOf("justify"),k,n,t="",x,r=0,v=this._textLines[a],p;f+=d*(1-this._fontSizeFraction)/this.lineHeight;for(var d=0,B=v.length-1;d<=B;d++)p=d===B||this.charSpacing,t+=v[d],x=this.__charBounds[a][d],0===r?(c+=x.kernedWidth-x.width,r+=x.width):r+=x.kernedWidth,e&&!p&&this._reSpaceAndTab.test(v[d])&&(p=!0),p||(k=k|| this.getCompleteStyleDeclaration(a,d),n=this.getCompleteStyleDeclaration(a,d+1),p=this._hasStyleChangedForSvg(k,n)),p&&(k=this._getStyleDeclaration(a,d)||{},b.push(this._createTextCharSpan(t,k,c,f)),t="",k=n,c+=r,r=0)},_pushTextBgRect:function(b,a,e,f,h,g){var d=fabric.Object.NUM_FRACTION_DIGITS;b.push("\t\t\x3crect ",this._getFillAttributes(a),' x\x3d"',c(e,d),'" y\x3d"',c(f,d),'" width\x3d"',c(h,d),'" height\x3d"',c(g,d),'"\x3e\x3c/rect\x3e\n')},_setSVGTextLineBg:function(b,a,c,f){for(var d=this._textLines[a], e=this.getHeightOfLine(a)/this.lineHeight,k=0,n=0,t,x=this.getValueOfPropertyAt(a,0,"textBackgroundColor"),r=0,v=d.length;r<v;r++)d=this.__charBounds[a][r],t=this.getValueOfPropertyAt(a,r,"textBackgroundColor"),t!==x?(x&&this._pushTextBgRect(b,x,c+n,f,k,e),n=d.left,k=d.width,x=t):k+=d.kernedWidth;t&&this._pushTextBgRect(b,t,c+n,f,k,e)},_getFillAttributes:function(b){var a=b&&"string"===typeof b?new fabric.Color(b):"";return a&&a.getSource()&&1!==a.getAlpha()?'opacity\x3d"'+a.getAlpha()+'" fill\x3d"'+ a.setAlpha(1).toRgb()+'"':'fill\x3d"'+b+'"'},_getSVGLineTopOffset:function(b){for(var a=0,c=0;c<b;c++)a+=this.getHeightOfLine(c);b=this.getHeightOfLine(c);return{lineTop:a,offset:(this._fontSizeMult-this._fontSizeFraction)*b/(this.lineHeight*this._fontSizeMult)}},getSvgStyles:function(b){return fabric.Object.prototype.getSvgStyles.call(this,b)+" white-space: pre;"}})})(); (function(c){var b=c.fabric||(c.fabric={});b.Textbox=b.util.createClass(b.IText,b.Observable,{type:"textbox",minWidth:20,dynamicMinWidth:2,__cachedLines:null,lockScalingFlip:!0,noScaleCache:!1,_dimensionAffectingProps:b.Text.prototype._dimensionAffectingProps.concat("width"),_wordJoiners:/[ \t\r]/,splitByGrapheme:!1,initDimensions:function(){this.__skipDimension||(this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this._clearCache(),this.dynamicMinWidth=0,this._styleMap=this._generateStyleMap(this._splitText()), this.dynamicMinWidth>this.width&&this._set("width",this.dynamicMinWidth),-1!==this.textAlign.indexOf("justify")&&this.enlargeSpaces(),this.height=this.calcTextHeight(),this.saveState({propertySet:"_dimensionAffectingProps"}))},_generateStyleMap:function(b){for(var 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b.Insert(this,a)},Add:function(a,b,c,d,e){b&&(a.x+=b);c&&(a.y+=c);if(a.element){if(a.removeable&&1===a.element.childNodes.length&&1===a.n&&(b=a.element.firstChild,c=b.nodeName.toLowerCase(),"use"===c||"rect"===c)){a.element=b;a.scale=a.childScale;c=a.childX;var f=a.childY;a.x+=c;a.y+= f;a.h-=f;a.d+=f;a.H-=f;a.D+=f;a.w-=c;a.r-=c;a.l+=c;a.removeable=!1;b.setAttribute("x",Math.floor(a.x/a.scale));b.setAttribute("y",Math.floor(a.y/a.scale))}1>Math.abs(a.x)&&1>Math.abs(a.y)?a.remove=a.removeable:(c=a.element.nodeName.toLowerCase(),"g"===c?a.element.firstChild?a.element.setAttribute("transform","translate("+Math.floor(a.x)+","+Math.floor(a.y)+")"):a.remove=a.removeable:"line"===c||"polygon"===c||"path"===c||"a"===c?((b=a.element.getAttribute("transform")||"")&&(b=" "+b),b="translate("+ Math.floor(a.x)+","+Math.floor(a.y)+")"+b,a.element.setAttribute("transform",b)):(a.element.setAttribute("x",Math.floor(a.x/a.scale)),a.element.setAttribute("y",Math.floor(a.y/a.scale))));if(a.remove)for(this.n+=a.n;a.element.firstChild;)e&&this.element.firstChild?this.element.insertBefore(a.element.firstChild,this.element.firstChild):this.element.appendChild(a.element.firstChild);else e?this.element.insertBefore(a.element,this.element.firstChild):this.element.appendChild(a.element);delete a.element}a.hasIndent&& (this.hasIndent=a.hasIndent);null!=a.tw&&(this.tw=a.tw);a.d-a.y>this.d&&(this.d=a.d-a.y,this.d>this.D&&(this.D=this.d));a.y+a.h>this.h&&(this.h=a.y+a.h,this.h>this.H&&(this.H=this.h));a.D-a.y>this.D&&(this.D=a.D-a.y);a.y+a.H>this.H&&(this.H=a.y+a.H);a.x+a.l<this.l&&(this.l=a.x+a.l);a.x+a.r>this.r&&(this.r=a.x+a.r);if(d||a.x+a.w+(a.X||0)>this.w)this.w=a.x+a.w+(a.X||0);this.childScale=a.scale;this.childX=a.x;this.childY=a.y;this.n++;return a},Align:function(a,b,c,d,e){c={left:c,center:(this.w-a.w)/ 2,right:this.w-a.w-c}[b]||0;b=this.w;this.Add(a,c+(e||0),d);this.w=b},Clean:function(){this.h===-d.BIGDIMEN&&(this.h=this.d=this.l=0);return this}});l.ROW=l.Subclass({Init:function(){this.SUPER(arguments).Init.call(this);this.svg=[];this.sh=this.sd=0},Check:function(a){var b=a.toSVG();this.svg.push(b);a.SVGcanStretch("Vertical")&&(b.mml=a);b.h+b.y>this.sh&&(this.sh=b.h+b.y);b.d-b.y>this.sd&&(this.sd=b.d-b.y)},Stretch:function(){for(var a=0,b=this.svg.length;a<b;a++){var c=this.svg[a],d=c.mml;if(d){if(d.forceStretch|| d.SVGdata.h!==this.sh||d.SVGdata.d!==this.sd)c=d.SVGstretchV(this.sh,this.sd);d.SVGdata.HW=this.sh;d.SVGdata.D=this.sd}c.ic?this.ic=c.ic:delete this.ic;this.Add(c,this.w,0,!0)}delete this.svg}});l.RECT=l.Subclass({type:"rect",removeable:!1,Init:function(a,b,c,d){null==d&&(d={stroke:"none"});d.width=Math.floor(c);d.height=Math.floor(a+b);this.SUPER(arguments).Init.call(this,d);this.w=this.r=c;this.h=this.H=a+b;this.d=this.D=this.l=0;this.y=-b}});l.FRAME=l.Subclass({type:"rect",removeable:!1,Init:function(a, b,c,e,f,g,h){null==h&&(h={});h.fill="none";h["stroke-width"]=d.Fixed(e,2);h.width=Math.floor(c-e);h.height=Math.floor(a+b-e);h.transform="translate("+Math.floor(e/2)+","+Math.floor(-b+e/2)+")";"dashed"===f&&(h["stroke-dasharray"]=[Math.floor(6*d.em),Math.floor(6*d.em)].join(" "));this.SUPER(arguments).Init.call(this,h);this.w=this.r=c;this.h=this.H=a;this.d=this.D=b;this.l=0}});l.HLINE=l.Subclass({type:"line",removeable:!1,Init:function(a,b,c,e,f){null==f&&(f={"stroke-linecap":"square"});e&&""!== e&&(f.stroke=e);f["stroke-width"]=d.Fixed(b,2);f.x1=f.y1=f.y2=Math.floor(b/2);f.x2=Math.floor(a-b/2);if("dashed"===c){var g=Math.floor(Math.max(0,a-b)/(2*Math.floor(Math.max(0,a-b)/(6*b))+1));f["stroke-dasharray"]=g+" "+g}"dotted"===c&&(f["stroke-dasharray"]=[1,Math.max(150,Math.floor(2*b))].join(" "),f["stroke-linecap"]="round");this.SUPER(arguments).Init.call(this,f);this.w=this.r=a;this.l=0;this.h=this.H=b;this.d=this.D=0}});l.VLINE=l.Subclass({type:"line",removeable:!1,Init:function(a,b,c,e,f){null== f&&(f={"stroke-linecap":"square"});e&&""!==e&&(f.stroke=e);f["stroke-width"]=d.Fixed(b,2);f.x1=f.x2=f.y1=Math.floor(b/2);f.y2=Math.floor(a-b/2);if("dashed"===c){var g=Math.floor(Math.max(0,a-b)/(2*Math.floor(Math.max(0,a-b)/(6*b))+1));f["stroke-dasharray"]=g+" "+g}"dotted"===c&&(f["stroke-dasharray"]=[1,Math.max(150,Math.floor(2*b))].join(" "),f["stroke-linecap"]="round");this.SUPER(arguments).Init.call(this,f);this.w=this.r=b;this.l=0;this.h=this.H=a;this.d=this.D=0}});l.TEXT=l.Subclass({type:"text", removeable:!1,Init:function(a,b,c){c||(c={});c.stroke="none";""===c["font-style"]&&delete c["font-style"];""===c["font-weight"]&&delete c["font-weight"];this.SUPER(arguments).Init.call(this,c);d.addText(this.element,b);d.textSVG.appendChild(this.element);var e=this.element.getBBox();d.textSVG.removeChild(this.element);a*=1E3/d.em;this.element.setAttribute("transform","scale("+d.Fixed(a)+") matrix(1 0 0 -1 0 0)");this.w=this.r=e.width*a;this.l=0;this.h=this.H=-e.y*a;this.d=this.D=(e.height+e.y)*a}}); l.G=l;l.NULL=l.Subclass({Init:function(){this.SUPER(arguments).Init.apply(this,arguments);this.Clean()}});l.GLYPH=l.Subclass({type:"path",removeable:!1,Init:function(a,b,c,e,f,g,h,k){var u,q=d.config.blacker,m=l.GLYPH,z=d.config.useFontCache,F=1===a?null:"scale("+d.Fixed(a)+")";z&&!d.config.useGlobalCache&&(b="E"+m.n+"-"+b);z&&m.glyphs[b]||(u={"stroke-width":q},z?u.id=b:F&&(u.transform=F),u.d=k?"M"+k+"Z":"",this.SUPER(arguments).Init.call(this,u),z&&(m.defs.appendChild(this.element),m.glyphs[b]=!0)); z&&(u={},F&&(u.transform=F),this.element=d.Element("use",u),this.element.setAttributeNS("http://www.w3.org/1999/xlink","href",w+"#"+b));this.h=(c+q)*a;this.d=(e+q)*a;this.w=(f+q/2)*a;this.l=(g+q/2)*a;this.r=(h+q/2)*a;this.H=Math.max(0,this.h);this.D=Math.max(0,this.d);this.x=this.y=0;this.scale=a}},{glyphs:{},defs:null,n:0});b.Register.StartupHook("mml Jax Ready",function(){e=MathJax.ElementJax.mml;e.mbase.Augment({SVG:l,toSVG:function(){this.SVGgetStyles();var a=this.SVGgetVariant(),b=this.SVG(); this.SVGgetScale(b);this.SVGhandleSpace(b);for(var c=0,e=this.data.length;c<e;c++)if(this.data[c]){var f=b.Add(this.data[c].toSVG(a,b.scale),b.w,0,!0);f.skew&&(b.skew=f.skew)}b.Clean();c=this.data.join("");b.skew&&!d.isChar(c)&&delete b.skew;b.r>b.w&&d.isChar(c)&&!a.noIC&&(b.ic=b.r-b.w,b.w=b.r);this.SVGhandleColor(b);this.SVGsaveData(b);return b},SVGchildSVG:function(a){return this.data[a]?this.data[a].toSVG():l()},SVGdataStretched:function(a,b,c){this.SVGdata={HW:b,D:c};return 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c=a.getAttribute("class");a.setAttribute("class",(c?c+" ":"")+b)}, SVGaddAttributes:function(a){if(this.attrNames)for(var c=this.attrNames,d=e.nocopyAttributes,f=b.config.ignoreMMLattributes,g="mstyle"===this.type?e.math.prototype.defaults:this.defaults,h=0,u=c.length;h<u;h++){var k=c[h];if(0==f[k]||!d[k]&&!f[k]&&null==g[k]&&"undefined"===typeof a.element[k])a.element.setAttribute(k,this.attr[k]),a.removeable=!1}},SVGaddHref:function(a){var b=d.Element("a",{"class":"mjx-svg-href"});b.setAttributeNS("http://www.w3.org/1999/xlink","href",this.href);b.onclick=this.SVGlink; d.addElement(b,"rect",{width:a.w,height:a.h+a.d,y:-a.d,fill:"none",stroke:"none","pointer-events":"all"});if("svg"===a.type){for(var c=a.element.firstChild;c.firstChild;)b.appendChild(c.firstChild);c.appendChild(b)}else b.appendChild(a.element),a.element=b;a.removeable=!1},SVGlink:function(){var a=this.href.animVal;if("#"===a.charAt(0)){var 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f&&this===f.CoreMO()&&c.Get("accent")?b=d.FONTDATA.REMAPACCENT[b]||b:g&&this===g.CoreMO()&&c.Get("accentunder")&&(b=d.FONTDATA.REMAPACCENTUNDER[b]||b)}(a=(b=d.FONTDATA.DELIMITERS[b.charCodeAt(0)])&&b.dir==a.substr(0,1))||delete this.svg;this.forceStretch=a&&(this.Get("minsize",!0)||this.Get("maxsize",!0));return a},SVGstretchV:function(a,b){var c=this.svg||this.toSVG(),e=this.getValues("symmetric","maxsize","minsize"),f=d.TeX.axis_height*c.scale,g=this.SVGgetMu(c),h;h=e.symmetric?2*Math.max(a-f,b+ f):a+b;e.maxsize=d.length2em(e.maxsize,g,c.h+c.d);e.minsize=d.length2em(e.minsize,g,c.h+c.d);h=Math.max(e.minsize,Math.min(e.maxsize,h));h!=e.minsize&&(h=[Math.max(h*d.TeX.delimiterfactor/1E3,h-d.TeX.delimitershortfall),h]);c=d.createDelimiter(this.data.join("").charCodeAt(0),h,c.scale);h=e.symmetric?(c.h+c.d)/2+f:(c.h+c.d)*a/(a+b);c.y=h-c.h;this.SVGhandleSpace(c);this.SVGhandleColor(c);delete this.svg.element;this.SVGsaveData(c);c.stretched=!0;return c},SVGstretchH:function(a){var b=this.svg||this.toSVG(), c=this.SVGgetMu(b),f=this.getValues("maxsize","minsize","mathvariant","fontweight");("bold"===f.fontweight||600<=parseInt(f.fontweight))&&!this.Get("mathvariant",!0)&&(f.mathvariant=e.VARIANT.BOLD);f.maxsize=d.length2em(f.maxsize,c,b.w);f.minsize=d.length2em(f.minsize,c,b.w);a=Math.max(f.minsize,Math.min(f.maxsize,a));b=d.createDelimiter(this.data.join("").charCodeAt(0),a,b.scale,f.mathvariant);this.SVGhandleSpace(b);this.SVGhandleColor(b);delete this.svg.element;this.SVGsaveData(b);b.stretched=!0; return b}});e.mn.Augment({SVGremapMinus:function(a){return a.replace(/^-/,"−")},toSVG:function(){this.SVGgetStyles();var a=this.SVGgetVariant(),b=this.SVG();this.SVGgetScale(b);this.SVGhandleSpace(b);for(var c=this.SVGremapMinus,e=0,f=this.data.length;e<f;e++)this.data[e]&&(c=b.Add(this.data[e].toSVG(a,b.scale,c),b.w,0,!0),c.skew&&(b.skew=c.skew),c=null);b.Clean();e=this.data.join("");b.skew&&!d.isChar(e)&&delete b.skew;b.r>b.w&&d.isChar(e)&&!a.noIC&&(b.ic=b.r-b.w,b.w=b.r);this.SVGhandleColor(b); this.SVGsaveData(b);return b}});e.mtext.Augment({toSVG:function(){if(d.config.mtextFontInherit||"merror"===this.Parent().type){this.SVGgetStyles();var a=this.SVG(),b=this.SVGgetScale(a);this.SVGhandleSpace(a);var c=this.SVGgetVariant(),e={direction:this.Get("dir")};c.bold&&(e["font-weight"]="bold");c.italic&&(e["font-style"]="italic");c=this.Get("mathvariant");"monospace"===c?e["class"]="MJX-monospace":c.match(/sans-serif/)&&(e["class"]="MJX-sans-serif");a.Add(l.TEXT(100*b/d.config.scale,this.data.join(""), e));a.Clean();this.SVGhandleColor(a);this.SVGsaveData(a);return a}return this.SUPER(arguments).toSVG.call(this)}});e.merror.Augment({toSVG:function(a,b){this.SVGgetStyles();a=this.SVG();b=d.length2em(this.styles.fontSize||1)/1E3;this.SVGhandleSpace(a);var c=1!==b?{transform:"scale("+d.Fixed(b)+")"}:{},c=l(c);c.Add(this.SVGchildSVG(0));c.Clean();if(1!==b){c.removeable=!1;for(var 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c=this.SVG();this.SVGgetScale(c);if(null!=this.data[0])for(this.SVGhandleSpace(c),c.Add(this.SVGdataStretched(0,a,b)),c.Clean();c.element.firstChild;)c.element.removeChild(c.element.firstChild); this.SVGhandleColor(c);this.SVGsaveData(c);c.removeable&&!c.element.firstChild&&delete c.element;return c}});e.mpadded.Augment({toSVG:function(a,b){this.SVGgetStyles();var c=this.SVG();if(null!=this.data[0]){this.SVGgetScale(c);this.SVGhandleSpace(c);a=this.SVGdataStretched(0,a,b);b=this.SVGgetMu(c);var d=this.getValues("height","depth","width","lspace","voffset"),e=0,f=0;d.lspace&&(e=this.SVGlength2em(a,d.lspace,b));d.voffset&&(f=this.SVGlength2em(a,d.voffset,b));var g=a.h,h=a.d,k=a.w,m=a.y;c.Add(a, e,f);c.Clean();c.h=g+m;c.d=h-m;c.w=k;c.removeable=!1;""!==d.height&&(c.h=this.SVGlength2em(c,d.height,b,"h",0));""!==d.depth&&(c.d=this.SVGlength2em(c,d.depth,b,"d",0));""!==d.width&&(c.w=this.SVGlength2em(c,d.width,b,"w",0));c.h>c.H&&(c.H=c.h);c.d>c.D&&(c.D=c.d)}this.SVGhandleColor(c);this.SVGsaveData(c);return c},SVGlength2em:function(a,b,c,e,f){null==f&&(f=-d.BIGDIMEN);var g=String(b).match(/width|height|depth/),g=g?a[g[0].charAt(0)]:e?a[e]:0;c=d.length2em(b,c,g/this.mscale)*this.mscale;return e&& String(b).match(/^\s*[-+]/)?Math.max(f,a[e]+c):c}});e.mrow.Augment({SVG:l.ROW,toSVG:function(a,b){this.SVGgetStyles();var c=this.SVG();this.SVGhandleSpace(c);null!=b&&(c.sh=a,c.sd=b);a=0;for(b=this.data.length;a<b;a++)this.data[a]&&c.Check(this.data[a]);c.Stretch();c.Clean();1===this.data.length&&this.data[0]&&(a=this.data[0].SVGdata,a.skew&&(c.skew=a.skew));this.SVGlineBreaks(c)&&(c=this.SVGmultiline(c));this.SVGhandleColor(c);this.SVGsaveData(c);return c},SVGlineBreaks:function(a){return this.parent.linebreakContainer? d.config.linebreaks.automatic&&a.w>d.linebreakWidth||this.hasNewline():!1},SVGmultiline:function(a){e.mbase.SVGautoloadFile("multiline")},SVGstretchH:function(a){var b=this.SVG();this.SVGhandleSpace(b);for(var c=0,d=this.data.length;c<d;c++)b.Add(this.SVGdataStretched(c,a),b.w,0);b.Clean();this.SVGhandleColor(b);this.SVGsaveData(b);return b}});e.mstyle.Augment({toSVG:function(){this.SVGgetStyles();var a=this.SVG();if(null!=this.data[0]){this.SVGhandleSpace(a);var b=a.Add(this.data[0].toSVG());a.Clean(); b.ic&&(a.ic=b.ic);this.SVGhandleColor(a)}this.SVGsaveData(a);return a},SVGstretchH:function(a){return null!=this.data[0]?this.data[0].SVGstretchH(a):l.NULL()},SVGstretchV:function(a,b){return null!=this.data[0]?this.data[0].SVGstretchV(a,b):l.NULL()}});e.mfrac.Augment({toSVG:function(){this.SVGgetStyles();var a=this.SVG(),b=this.SVGgetScale(a),c=l();c.scale=a.scale;this.SVGhandleSpace(c);var e=this.SVGchildSVG(0),f=this.SVGchildSVG(1),g=this.getValues("displaystyle","linethickness","numalign","denomalign", "bevelled"),h=g.displaystyle,k=d.TeX.axis_height*b;if(g.bevelled){var g=h?400:150,m=d.createDelimiter(47,Math.max(e.h+e.d,f.h+f.d)+2*g);c.Add(e,0,(e.d-e.h)/2+k+g);c.Add(m,e.w-g/2,(m.d-m.h)/2+k);c.Add(f,e.w+m.w-g,(f.d-f.h)/2+k-g)}else{var m=Math.max(e.w,f.w),z=d.thickness2em(g.linethickness,this.scale)*this.mscale,y,w,p=d.TeX.min_rule_thickness/d.em*1E3;h?(y=d.TeX.num1,w=d.TeX.denom1):(y=0===z?d.TeX.num3:d.TeX.num2,w=d.TeX.denom2);y*=b;w*=b;0===z?(b=Math.max((h?7:3)*d.TeX.rule_thickness,2*p),h=y-e.d- (f.h-w),h<b&&(y+=(b-h)/2,w+=(b-h)/2),c.w=m,z=0):(b=Math.max((h?2:0)*p+z,z/2+1.5*p),h=y-e.d-(k+z/2),h<b&&(y+=b-h),h=k-z/2-(f.h-w),h<b&&(w+=b-h),c.Add(l.RECT(z/2,z/2,m+2*z),0,k));c.Align(e,g.numalign,z,y);c.Align(f,g.denomalign,z,-w)}c.Clean();a.Add(c,0,0);a.Clean();this.SVGhandleColor(a);this.SVGsaveData(a);return a},SVGcanStretch:function(a){return!1},SVGhandleSpace:function(a){this.texWithDelims||(a.x=a.X=d.TeX.nulldelimiterspace*this.mscale);this.SUPER(arguments).SVGhandleSpace.call(this,a)}}); e.msqrt.Augment({toSVG:function(){this.SVGgetStyles();var a=this.SVG(),b=this.SVGgetScale(a);this.SVGhandleSpace(a);var c=this.SVGchildSVG(0),e,f,g=d.TeX.rule_thickness*b,h,k,m=0;e=this.Get("displaystyle")?d.TeX.x_height*b:g;h=Math.max(g+e/4,1E3*d.TeX.min_root_space/d.em);k=c.h+c.d+h+g;f=d.createDelimiter(8730,k,b);f.h+f.d>k&&(h=(f.h+f.d-(k-g))/2);e=l.RECT(g,0,c.w);k=c.h+h+g;m=this.SVGaddRoot(a,f,m,f.h+f.d-k,b);a.Add(f,m,k-f.h);a.Add(e,m+f.w,k-e.h);a.Add(c,m+f.w,0);a.Clean();a.h+=g;a.H+=g;this.SVGhandleColor(a); this.SVGsaveData(a);return a},SVGaddRoot:function(a,b,c,d,e){return c}});e.mroot.Augment({toSVG:e.msqrt.prototype.toSVG,SVGaddRoot:function(a,b,c,d,e){var f=(b.isMultiChar?.55:.65)*b.w;if(this.data[1]){var g=this.data[1].toSVG();g.x=0;b=this.SVGrootHeight(b.h+b.d,e,g)-d;d=Math.min(g.w,g.r);c=Math.max(d,f);a.Add(g,c-d,b)}else f=c;return c-f},SVGrootHeight:function(a,b,c){return.45*(a-900*b)+600*b+Math.max(0,c.d-75)}});e.mfenced.Augment({SVG:l.ROW,toSVG:function(){this.SVGgetStyles();var a=this.SVG(); this.SVGhandleSpace(a);this.data.open&&a.Check(this.data.open);null!=this.data[0]&&a.Check(this.data[0]);for(var b=1,c=this.data.length;b<c;b++)this.data[b]&&(this.data["sep"+b]&&a.Check(this.data["sep"+b]),a.Check(this.data[b]));this.data.close&&a.Check(this.data.close);a.Stretch();a.Clean();this.SVGhandleColor(a);this.SVGsaveData(a);return a}});e.menclose.Augment({toSVG:e.mbase.SVGautoload});e.maction.Augment({toSVG:e.mbase.SVGautoload});e.semantics.Augment({toSVG:function(){this.SVGgetStyles(); var a=this.SVG();null!=this.data[0]&&(this.SVGhandleSpace(a),a.Add(this.data[0].toSVG()));a.Clean();this.SVGsaveData(a);return a},SVGstretchH:function(a){return 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k,m;this.SVGnotEmpty(this.data[this.sup])&& (k=this.data[this.sup].toSVG(),k.w+=b,k.r=Math.max(k.w,k.r));this.SVGnotEmpty(this.data[this.sub])&&(m=this.data[this.sub].toSVG(),m.w+=b,m.r=Math.max(m.w,m.r));var z=d.TeX.sup_drop*h;b=g.h+(g.y||0)-z;var y=g.d-(g.y||0)+d.TeX.sub_drop*h,h=0;g.ic&&(g.w-=g.ic,h=1.3*g.ic+.05);!this.data[this.base]||"mi"!==this.data[this.base].type&&"mo"!==this.data[this.base].type||!d.isChar(this.data[this.base].data.join(""))||1!==g.scale||g.stretched||this.data[this.base].Get("largeop")||(b=y=0);var w=this.getValues("subscriptshift", 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a=MathJax.ElementJax.mml,b=MathJax.OutputJax.SVG,c=b.BBOX;a.mtable.Augment({toSVG:function(d){this.SVGgetStyles();d=this.SVG();var e=this.SVGgetScale(d);if(0===this.data.length)return this.SVGsaveData(d),d;var f=this.getValues("columnalign","rowalign","columnspacing", "rowspacing","columnwidth","equalcolumns","equalrows","columnlines","rowlines","frame","framespacing","align","useHeight","width","side","minlabelspacing");f.width.match(/%$/)&&(d.width=f.width=b.Em(b.cwidth/1E3*(parseFloat(f.width)/100)));var g=this.SVGgetMu(d),h=[],k=[],w=[],l=[],u=[],q,p,v=-1,n,r,t,B,x,D,H=b.FONTDATA.lineH*e*f.useHeight,N=b.FONTDATA.lineD*e*f.useHeight;q=0;for(n=this.data.length;q<n;q++)for(B=this.data[q],t="mlabeledtr"===B.type?-1:0,l[q]=[],h[q]=H,k[q]=N,p=t,r=B.data.length+t;p< r;p++){null==w[p]&&(p>v&&(v=p),u[p]=c.G(),w[p]=-b.BIGDIMEN);x=B.data[p-t];l[q][p]=x.toSVG();if(x.isEmbellished()){D=x.CoreMO();var 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a=MathJax.ElementJax.mml,b=MathJax.OutputJax.SVG,c=b.BBOX,d=a.mo().With({SVGdata:{w:0,x:0}}),e={newline:0,nobreak:1E6,goodbreak:[-200],badbreak:[200],auto:[0],maxwidth:1.33,toobig:800,nestfactor:400,spacefactor:-100,spaceoffset:2,spacelimit:1,fence:500, close:500},f={linebreakstyle:"after"};a.mrow.Augment({SVGmultiline:function(c){for(var d=this;d.inferred||d.parent&&"mrow"===d.parent.type&&d.isEmbellished();)d=d.parent;var g="math"===d.type&&"block"===d.Get("display")||"mtd"===d.type;d.isMultiline=!0;var h=this.getValues("linebreak","linebreakstyle","lineleading","linebreakmultchar","indentalign","indentshift","indentalignfirst","indentshiftfirst","indentalignlast","indentshiftlast");h.linebreakstyle===a.LINEBREAKSTYLE.INFIXLINEBREAKSTYLE&&(h.linebreakstyle= this.Get("infixlinebreakstyle"));h.lineleading=b.length2em(h.lineleading,1,.5);c=this.SVG();g&&"mtd"!==d.type&&(c.w=b.linebreakWidth<b.BIGDIMEN?b.linebreakWidth:b.cwidth);for(var 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c=a.index.slice(0),d=a.index.shift(),f,g,h,k=0<a.index.length,m=!1;k||(a.W+=a.w,a.w=0);h=a.scanW=a.W;null==d&&(this.SVGdata.dw=this.SVGdata.w-this.data[this.base].SVGdata.w);this.data[this.base].SVGbetterBreak(a,b)&&(m=!0,c=[this.base].concat(a.index),f=a.W,g=a.w,a.penalty===e.newline&&(m=k=!0));k||this.SVGaddWidth(this.base, a,h);a.scanW+=this.SVGdata.dw;a.W=a.scanW;a.index=[];m&&(a.W=f,a.w=g,a.index=c);return m},SVGmoveLine:function(a,b,c,d,e){this.data[this.base]&&(1<a.length?this.data[this.base].SVGmoveSlice(a.slice(1),b.slice(1),c,d,e,"paddingLeft"):1>=b.length?this.data[this.base].SVGmove(c,d,e):this.data[this.base].SVGmoveSlice([],b.slice(1),c,d,e,"paddingRight"));0===b.length&&(a=this.data[this.sup],b=this.data[this.sub],d=c.w,a&&(e=a.SVGdata||{},c.Add(a.toSVG(),d+(e.dx||0),e.dy)),b&&(e=b.SVGdata||{},c.Add(b.toSVG(), d+(e.dx||0),e.dy)))}});a.mmultiscripts.Augment({SVGbetterBreak:function(a,b){if(!this.data[this.base])return!1;var c=a.index.slice(0);a.index.shift();var d,f,g,h=0<a.index.length,k=!1;h||(a.W+=a.w,a.w=0);a.scanW=a.W;var m=this.SVGdata.w-this.data[this.base].SVGdata.w-this.SVGdata.dx;a.scanW+=this.SVGdata.dx;g=a.scanW;this.data[this.base].SVGbetterBreak(a,b)&&(k=!0,c=[this.base].concat(a.index),d=a.W,f=a.w,a.penalty===e.newline&&(k=h=!0));h||this.SVGaddWidth(this.base,a,g);a.scanW+=m;a.W=a.scanW;a.index= [];k&&(a.W=d,a.w=f,a.index=c);return k},SVGmoveLine:function(a,b,c,d,e){var f,g=this.SVGdata;if(1>a.length){this.scriptBox=this.SVGgetScripts(this.SVGdata.s);var h=this.scriptBox[2],k=this.scriptBox[3];f=c.w+g.dx;k&&c.Add(k,f+g.delta-k.w,g.u);h&&c.Add(h,f-h.w,-g.v)}this.data[this.base]&&(1<a.length?this.data[this.base].SVGmoveSlice(a.slice(1),b.slice(1),c,d,e,"paddingLeft"):1>=b.length?this.data[this.base].SVGmove(c,d,e):this.data[this.base].SVGmoveSlice([],b.slice(1),c,d,e,"paddingRight"));0===b.length&& (a=this.scriptBox[0],b=this.scriptBox[1],f=c.w+g.s,b&&c.Add(b,f,g.u),a&&c.Add(a,f-g.delta,-g.v),delete 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l=l+c.nest*e.nestfactor,p=e[g]||0;g===a.LINEBREAK.AUTO&&k>=1E3*e.spacelimit&&!this.mathbackground&&!this.backrgound&&(p=[(k/1E3+e.spaceoffset)*e.spacefactor]);if(MathJax.Object.isArray(p))l=Math.max(1,l+p[0]*c.nest); else if(p||0<=m)l=p*c.nest;if(l>=c.penalty)return!1;c.penalty=l;c.values=f;c.W=h;c.w=k;f.lineleading=d.VALUES.lineleading;f.linebreakstyle="before";f.last=this;return!0}});MathJax.Hub.Register.StartupHook("TeX mathchoice Ready",function(){a.TeXmathchoice.Augment({SVGbetterBreak:function(a,b){return this.Core().SVGbetterBreak(a,b)},SVGmoveLine:function(a,b,c,d,e){return this.Core().SVGmoveSlice(a,b,c,d,e)}})});a.maction.Augment({SVGbetterBreak:function(a,b){return this.Core().SVGbetterBreak(a,b)}, SVGmoveLine:function(a,b,c,d,e){return this.Core().SVGmoveSlice(a,b,c,d,e)}});a.semantics.Augment({SVGbetterBreak:function(a,b){return this.data[0]?this.data[0].SVGbetterBreak(a,b):!1},SVGmoveLine:function(a,b,c,d,e){return 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e);g["stroke-width"]=d.toFixed(2).replace(/\.?0+$/,"");"up"==f?(g.x1=Math.floor(d/2),g.y1=Math.floor(d/2-b),g.x2=Math.floor(c-d/2),g.y2=Math.floor(a-d/2)):(g.x1=Math.floor(d/2),g.y1=Math.floor(a-d/2),g.x2=Math.floor(c-d/2),g.y2=Math.floor(d/2-b));this.SUPER(arguments).Init.call(this,g);this.w=this.r=c;this.h=this.H=a;this.d=this.D=b;this.l=0}});c.FPOLY=c.Subclass({type:"polygon",removeable:!1,Init:function(a,b,c){null==c&&(c={});b&&(c.fill=b);for(var d=[],e=1E8,f=e,g=-e,h=g,k=0,l=a.length;k<l;k++){var p= a[k][0],n=a[k][1];p>g&&(g=p);p<e&&(e=p);n>h&&(h=n);n<f&&(f=n);d.push(Math.floor(p)+","+Math.floor(n))}c.points=d.join(" 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b[a&255]+b[a>>8&255]+b[a>>16&255]+b[a>>24&255]+"-"+b[c&255]+b[c>>8&255]+"-"+b[c>>16&15|64]+b[c>>24&255]+"-"+b[d&63|128]+b[d>>8&255]+"-"+b[d>>16&255]+b[d>>24&255]+b[h&255]+b[h>>8&255]+b[h>>16&255]+b[h>>24&255]};return c}(),ToolUtil=function(){return{enableLineProps:function(c, b){var d=c.find(".wb-prop-color"),a=c.find(".wb-prop-width"),e=this.enableOpacity(c,b);c.find(".wb-prop-fill").prop("disabled",!0);c.find(".wb-prop-b, .wb-prop-i, .wb-prop-lock-color, .wb-prop-lock-fill").button("disable");d.val(b.stroke.color).prop("disabled",!1);a.val(b.stroke.width).prop("disabled",!1);return{c:d,w:a,o:e}},enableAllProps:function(c,b){var d=c.find(".wb-prop-color"),a=c.find(".wb-prop-width"),e=c.find(".wb-prop-fill"),f=c.find(".wb-prop-lock-color"),h=c.find(".wb-prop-lock-fill"); this.enableOpacity(c,b);c.find(".wb-prop-b, 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a=d.getOriginalSize();d.width=a.width;d.height=a.height;d.scaleX=d.scaleY=(b.scaleX||1)*b.width/a.width;d.type="image";d.videoStatus=function(){};c.add(d);c.requestRenderAll()},b)},filter:function(c,b){return b.reduce(function(b,a){b[a]=c[a];return b},{})}}}(),Player=function(){function c(b,a,c){b.status.paused=a;b.status.pos=c;wbAction("videoStatus",JSON.stringify({wbId:b.canvas.wbId,uid:b.uid,status:{paused:a,pos:c}}))}var b={create:function(d,a,e){var f=$("\x3cvideo\x3e").hide().attr("class", "wb-video slide-"+d.slide).attr("id","wb-video-"+a.uid).attr("width",a.width).attr("height",a.height).prop("controls",!0).append($("\x3csource\x3e").attr("type","video/mp4").attr("src",a._src));$("#wb-tab-"+d.wbId).append(f);fabric.Image.fromURL(a._poster,function(h){h.scaleX=h.scaleY=a.width/h.getOriginalSize().width;var g=new fabric.Image(f[0],{visible:!1,objectCaching:!1});f[0].onseeked=function(){d.requestRenderAll()};"undefined"===typeof a.status&&(a.status={paused:!0});var k=!1,n=new 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z={left:r.left,top:r.top}})},modify:function(b, a){a=$.extend({angle:0,left:10,scaleX:1,scaleY:1,top:10},ToolUtil.filter(a,["angle","left","scaleX","scaleY","top"]));b.set(a).setCoords();b.canvas.requestRenderAll()}};return b}(),Base=function(){return{objectCreated:function(c,b){c.uid=UUID.generate();c.slide=b.slide;b.trigger("wb:object:created",c);return c.uid}}},Pointer=function(c,b,d){return{activate:function(){c.eachCanvas(function(a){a.selection=!0;a.forEachObject(function(a){a.selectable=!0})});ToolUtil.disableAllProps(b);d.addClass("disabled")}, deactivate:function(){c.eachCanvas(function(a){a.selection=!1;a.forEachObject(function(a){a.selectable=!1})})}}},APointer=function(c,b,d){var a=Base();a.user="";a.create=function(a,b){fabric.Image.fromURL("./css/images/pointer.png",function(d){function 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a.stroke.width;b.freeDrawingBrush.color=a.stroke.color;b.freeDrawingBrush.opacity=a.opacity});ToolUtil.enableLineProps(b,a).o.prop("disabled",!0);VideoUtil.highlight(d.removeClass("disabled"),5)};a.deactivate=function(){c.eachCanvas(function(a){a.isDrawingMode=!1})};return a},Shape=function(c,b){var d=ShapeBase(c);d.obj=null;d.isDown=!1;d.orig={x:0,y:0};d.add2Canvas=function(a){a.add(d.obj)};d.mouseDown=function(a){a=this.getPointer(a.e);d.isDown=!0;d.orig={x:a.x,y:a.y};d.createShape(this);d.add2Canvas(this)}; d.mouseMove=function(a){d.isDown&&(a=this.getPointer(a.e),d.updateShape(a),this.requestRenderAll())};d.updateCreated=function(a){return a};d.mouseUp=function(a){d.isDown=!1;d.obj.setCoords();d.obj.selectable=!1;this.requestRenderAll();d.objectCreated(d.obj,this)};d.internalActivate=function(){};d.activate=function(){c.eachCanvas(function(a){a.on({"mouse:down":d.mouseDown,"mouse:move":d.mouseMove,"mouse:up":d.mouseUp})});d.internalActivate();VideoUtil.highlight(b.removeClass("disabled"),5)};d.deactivate= function(){c.eachCanvas(function(a){a.off({"mouse:down":d.mouseDown,"mouse:move":d.mouseMove,"mouse:up":d.mouseUp})})};return d},Line=function(c,b,d){var a=Shape(c,d);a.createShape=function(){a.obj=new fabric.Line([a.orig.x,a.orig.y,a.orig.x,a.orig.y],{strokeWidth:a.stroke.width,fill:a.stroke.color,stroke:a.stroke.color,opacity:a.opacity});return a.obj};a.internalActivate=function(){ToolUtil.enableLineProps(b,a)};a.updateShape=function(b){a.obj.set({x2:b.x,y2:b.y})};return a},ULine=function(c,b,d){c= Line(c,b,d);c.stroke.width=20;c.opacity=.5;return c},Rect=function(c,b,d){var a=Shape(c,d);a.createShape=function(){a.obj=new fabric.Rect({strokeWidth:a.stroke.width,fill:a.fill.enabled?a.fill.color:"rgba(0,0,0,0)",stroke:a.stroke.enabled?a.stroke.color:"rgba(0,0,0,0)",opacity:a.opacity,left:a.orig.x,top:a.orig.y,width:0,height:0});return a.obj};a.internalActivate=function(){ToolUtil.enableAllProps(b,a)};a.updateShape=function(b){a.orig.x>b.x&&a.obj.set({left:b.x});a.orig.y>b.y&&a.obj.set({top:b.y}); a.obj.set({width:Math.abs(a.orig.x-b.x),height:Math.abs(a.orig.y-b.y)})};return a},Ellipse=function(c,b,d){var a=Rect(c,b,d);a.createShape=function(){a.obj=new fabric.Ellipse({strokeWidth:a.stroke.width,fill:a.fill.enabled?a.fill.color:"rgba(0,0,0,0)",stroke:a.stroke.enabled?a.stroke.color:"rgba(0,0,0,0)",opacity:a.opacity,left:a.orig.x,top:a.orig.y,rx:0,ry:0,originX:"center",originY:"center"});return a.obj};a.updateShape=function(b){a.obj.set({rx:Math.abs(a.orig.x-b.x),ry:Math.abs(a.orig.y-b.y)})}; return a},Arrow=function(c,b,d){var a=Line(c,b,d);a.stroke.width=20;a.createShape=function(b){a.obj=new fabric.Polygon([{x:0,y:0},{x:0,y:0},{x:0,y:0},{x:0,y:0},{x:0,y:0},{x:0,y:0},{x:0,y:0}],{left:a.orig.x,top:a.orig.y,angle:0,strokeWidth:2,fill:a.fill.enabled?a.fill.color:"rgba(0,0,0,0)",stroke:a.stroke.enabled?a.stroke.color:"rgba(0,0,0,0)",opacity:a.opacity});return a.obj};a.updateShape=function(b){var c=b.x-a.orig.x;b=b.y-a.orig.y;var d=Math.sqrt(c*c+b*b),e=a.stroke.width,k=3*e,n=1.5*e;a.obj.set({points:[{x:0, y:e},{x:Math.max(0,d-k),y:e},{x:Math.max(0,d-k),y:n},{x:d,y:3*e/4},{x:Math.max(0,d-k),y:0},{x:Math.max(0,d-k),y:e/2},{x:0,y:e/2}],angle:180*Math.atan2(b,c)/Math.PI,width:d,height:n,maxX:d,maxY:n,pathOffset:{x:d/2,y:n/2}})};a.internalActivate=function(){ToolUtil.enableAllProps(b,a)};return a};String.prototype.endsWith||(String.prototype.endsWith=function(c,b){if(void 0===b||b>this.length)b=this.length;return this.substring(b-c.length,b)===c}); var Clipart=function(c,b,d,a){var e=Shape(c,a);e.add2Canvas=function(){};e.createShape=function(a){var c=b.data("image"),d={left:e.orig.x,top:e.orig.y,scaleX:0,scaleY:0,omType:"Clipart",_src:c,opacity:e.opacity};c.toLowerCase().endsWith("svg")?fabric.loadSVGFromURL(c,function(b){e.orig.width=32;e.orig.height=32;e.obj=fabric.util.groupSVGElements(b,d);a.add(e.obj)}):fabric.Image.fromURL(c,function(b){e.orig.width=b.width;e.orig.height=b.height;e.obj=b.set(d);a.add(e.obj)})};e.updateShape=function(a){if(e.obj){var b= a.x-e.orig.x;a=a.y-e.orig.y;var c=Math.sqrt(b*b+a*a)/e.obj.width;e.obj.set({scaleX:c,scaleY:c,angle:180*Math.atan2(a,b)/Math.PI})}};e.internalActivate=function(){ToolUtil.disableAllProps(d);ToolUtil.enableOpacity(d,e)};return e},Wb=function(){function c(a){return L?L.find(".om-icon."+(a||X)+":not(.stub)"):null}function b(a){var b=c();b.length&&b.hasClass("active")&&b.data().deactivate();L&&L.find(".om-icon.active").removeClass("active");c("string"===typeof a&&a?a:$(this).data("toolType")).data().activate(); L&&L.find(".om-icon."+X).addClass("active")}function d(a,d,e){var f=c(a);f&&0!==f.length&&(f.data({obj:e,toolType:a,activate:function(){f.hasClass("active")||(X=a,e.activate())},deactivate:function(){e.deactivate()}}).click(b),d&&f.data().activate())}function a(a,b){var c=a.find("a");b=b||a.find("div.om-icon.big:first");a.attr("title",b.attr("title"));c.find(".om-icon").remove();c.prepend(b.clone().addClass("stub").data("toolType",b.data("toolType")))}function e(c){c.find("a").off().click(function(a){a.stopImmediatePropagation(); a=$(this).find(".stub");a.hasClass("active")?$(this).dropdown("toggle"):(b(a.data("toolType")),a.addClass("active"))});a(c)}function f(b,c){var d=OmUtil.tmpl(b);c.after(d);d.find(".om-icon").each(function(){var b=$(this);b.click(function(){a(d,b)})});return d}function h(a){var b=f("#wb-area-texts",c("apointer"));d("text",!1,Text(D,G,a));d("textbox",!1,Textbox(D,G,a));e(b)}function g(a){var b=f("#wb-area-drawings",L.find(".texts"));d("eraser",!1,Whiteout(D,G,a));d("paint",!1,Paint(D,G,a));d("line", !1,Line(D,G,a));d("uline",!1,ULine(D,G,a));d("rect",!1,Rect(D,G,a));d("ellipse",!1,Ellipse(D,G,a));d("arrow",!1,Arrow(D,G,a));e(b)}function k(b){var c=OmUtil.tmpl("#wb-area-cliparts");L.find(".drawings").after(c);c.find(".om-icon.clipart").each(function(){var e=$(this);e.css("background-image","url("+e.data("image")+")").click(function(){a(c,e)});d(e.data("mode"),!1,Clipart(D,e,G,b))});e(c)}function n(){var a=H.length;if(1<a&&Y===PRESENTER){M.find(".doc-group").show();var b=1*V;M.find(".doc-group .curr-slide").val(b+ 1).attr("max",a);M.find(".doc-group .up").prop("disabled",1>b);M.find(".doc-group .down").prop("disabled",b>a-2);M.find(".doc-group .last-page").text(a)}else M.find(".doc-group").hide()}function t(a){V=a;wbAction("setSlide",JSON.stringify({wbId:D.id,slide:a}));n()}function x(){function a(a,b,c){var d=a.getActiveObject();if(d.setSelectionStyles&&d.isEditing){var e={};e[b]=c;d.setSelectionStyles(e)}else d[b]=c;a.requestRenderAll()}G.find(".wb-prop-b, .wb-prop-i").button().click(function(){$(this).toggleClass("ui-state-active selected"); var b=c(),d=$(this).hasClass("wb-prop-b"),e=d?"bold":"italic",f=$(this).hasClass("selected"),g=f?e:"";b.data().obj.style[e]=f;D.eachCanvas(function(b){a(b,d?"fontWeight":"fontStyle",g)})});G.find(".wb-prop-lock-color, .wb-prop-lock-fill").button({icon:"ui-icon-locked",showLabel:!1}).click(function(){var a=c(),b=$(this).hasClass("wb-prop-lock-color"),d=G.find(b?".wb-prop-color":".wb-prop-fill"),e="ui-icon-locked"===$(this).button("option","icon");$(this).button("option","icon",e?"ui-icon-unlocked": "ui-icon-locked");d.prop("disabled",!e);a.data().obj[b?"stroke":"fill"].enabled=e});G.find(".wb-prop-color").change(function(){var b=c();if(1===b.length){var d=$(this).val();b.data().obj.stroke.color=d;D.eachCanvas(function(b){"paint"===X?b.freeDrawingBrush.color=d:a(b,"stroke",d)})}});G.find(".wb-prop-width").change(function(){var b=c();if(1===b.length){var d=1*$(this).val();b.data().obj.stroke.width=d;D.eachCanvas(function(b){"paint"===X?b.freeDrawingBrush.width=d:a(b,"strokeWidth",d)})}});G.find(".wb-prop-fill").change(function(){var b= c();if(1===b.length){var d=$(this).val();b.data().obj.fill.color=d;D.eachCanvas(function(b){a(b,"fill",d)})}});G.find(".wb-prop-opacity").change(function(){var b=c();if(1===b.length){var d=1*$(this).val()/100;b.data().obj.opacity=d;D.eachCanvas(function(b){"paint"===X?b.freeDrawingBrush.opacity=d:a(b,"opacity",d)})}});G.find(".ui-dialog-titlebar-close").click(function(){G.hide()});G.draggable({scroll:!1,containment:"body",start:function(){G.css("bottom")&&G.css("bottom","").css(Settings.isRtl?"left": "right","")},drag:function(){if(G.position().x+G.width()>=G.parent().width())return!1}})}function r(){L.draggable({snap:"parent",containment:"parent",scroll:!1,stop:function(a,b){a=b.helper.position();0===a.left||a.left+b.helper.width()===b.helper.parent().width()?b.helper.removeClass("horisontal").addClass("vertical"):0!==a.top&&a.top+b.helper.height()!==b.helper.parent().height()||b.helper.removeClass("vertical").addClass("horisontal")}});M.draggable({snap:"parent",containment:"parent",scroll:!1}); var a=L.find(".om-icon.clear-all"),b=L.find(".om-icon.settings"),c=!0;switch(Y){case PRESENTER:a.click(function(){OmUtil.confirmDlg("clear-all-confirm",function(){wbAction("clearAll",JSON.stringify({wbId:D.id}))})}).removeClass("disabled"),M.find(".curr-slide").change(function(){t($(this).val()-1);I()}),M.find(".doc-group .up").click(function(){t(1*V-1);I()}),M.find(".doc-group .down").click(function(){t(1*V+1);I()}),M.find(".settings-group").show().find(".settings").click(function(){var a=$("#wb-settings"), b=a.find(".wbs-width").val(Q),c=a.find(".wbs-height").val(Z);a.dialog({buttons:[{text:a.data("btn-ok"),click:function(){var a=b.val(),d=c.val();!isNaN(parseInt(a))&&isFinite(a)&&!isNaN(parseInt(d))&&isFinite(d)&&(Q=parseInt(a),Z=parseInt(d),v());$(this).dialog("close")}},{text:a.data("btn-cancel"),click:function(){$(this).dialog("close")}}]})});case WHITEBOARD:Y===WHITEBOARD&&a.addClass("disabled"),d("pointer",c,Pointer(D,G,b)),c=!1,h(b),g(b),d("math",c,TMath(D,G,b)),k(b),L.find(".om-icon.settings").click(function(){G.show()}), L.find(".om-icon.math").click(function(){J.show()}),L.find(".om-icon.clear-slide").click(function(){OmUtil.confirmDlg("clear-slide-confirm",function(){wbAction("clearSlide",JSON.stringify({wbId:D.id,slide:V}))})}),L.find(".om-icon.save").click(function(){wbAction("save",JSON.stringify({wbId:D.id}))}),L.find(".om-icon.undo").click(function(){wbAction("undo",JSON.stringify({wbId:D.id}))}),J.find(".ui-dialog-titlebar-close").click(function(){J.hide()}),x(),J.find(".update-btn").button().click(function(){var a= p({uid:$(this).data("uid"),slide:$(this).data("slide")}),b=m(a);b.formula=J.find("textarea").val();var c=H[a.slide];StaticTMath.create(b,c,function(b){B(a);c.trigger("object:modified",{target:b})},function(a){var b=J.find(".status");b.text(a);StaticTMath.highlight(b)})}).parent().css("text-align",Settings.isRtl?"left":"right"),J.draggable({scroll:!1,containment:"body",start:function(){J.css("bottom")&&J.css("bottom","").css(Settings.isRtl?"left":"right","")},drag:function(){if(J.position().x+J.width()>= J.parent().width())return!1}}).resizable({alsoResize:J.find(".text-container")});case NONE:n(),M.find(".zoom-out").click(function(){R-=.2;.1>R&&(R=.1);aa="zoom";v()}),M.find(".zoom-in").click(function(){R+=.2;aa="zoom";v()}),M.find(".zoom").change(function(){var a=$(this).val();aa="zoom";if(isNaN(a))switch(a){case "fullFit":case "pageWidth":aa=a;break;case "custom":R=1*$(this).data("custom-val")}else R=1*a;v()}),U(),d("apointer",c,APointer(D,G,b))}}function v(){U();wbAction("setSize",JSON.stringify({wbId:D.id, zoom:R,zoomMode:aa,width:Q,height:Z}))}function p(a){var b=null,c=H[a.slide];c&&c.forEachObject(function(c){if(c&&a.uid===c.uid)return b=c,!1});return b}function B(a){var b=p(a);b&&(a=H[a.slide])&&("Video"===b.omType&&$("#wb-video-"+b.uid).remove(),a.remove(b))}function l(a){B(a);E(a)}function E(a){switch(a.fileType){case "Video":case "Recording":break;case "Presentation":for(var b=H.length,d=0;d<a.count;++d){H.length<d+1&&P();var e=H[d];if(a.deleted)ToolUtil.addDeletedItem(e,a);else{var f=Q/a.width, f=1>f?1:f;e.setBackgroundImage(a._src+"\x26slide\x3d"+d,e.renderAll.bind(e),{scaleX:f,scaleY:f})}}n();b!==H.length&&(a=c(),a.length&&a.hasClass("active")&&(a.data().deactivate(),a.data().activate()),I());break;default:if(b=H[a.slide])a.selectable=b.selection,a.editable="text"===X||"textbox"===X,b.add(a)}}function C(a,b){fabric.util.enlivenObjects(a,function(a){D.eachCanvas(function(a){a.renderOnAddRemove=!1});for(var c=0;c<a.length;++c){var d=a[c];d.loaded=!0;b(d)}D.eachCanvas(function(a){a.renderOnAddRemove= !0;a.requestRenderAll()})})}function m(a){var b=a.toJSON(T);switch(a.omType){case "Video":b.type="video";delete b.objects;break;case "Math":b.type="math",delete b.objects}return b}function y(a){if(Y!==NONE||"pointer"===a.type){switch(a.type){case "pointer":break;default:a.includeDefaultValues=!1,a=m(a)}wbAction("createObj",JSON.stringify({wbId:D.id,obj:a}))}}function z(a){a=a.target;if(!a.loaded)switch(a.type){case "textbox":case "i-text":a.uid=UUID.generate();a.slide=this.slide;y(a);break;default:a.selectable= this.selection}}function w(a){a=a.target;var b=[];if(Y!==NONE||"pointer"===a.type)a.includeDefaultValues=!1,"activeSelection"===a.type?a.clone(function(a){a.includeDefaultValues=!1;a=a.destroy().getObjects();for(var c=0;c<a.length;++c)b.push(m(a[c]))},T):b.push(m(a)),wbAction("modifyObj",JSON.stringify({wbId:D.id,obj:b}))}function A(a){a=a.target;G.find(".wb-dim-x").val(a.left);G.find(".wb-dim-y").val(a.top);G.find(".wb-dim-w").val(a.width);G.find(".wb-dim-h").val(a.height)}function u(a){(a=a.target)&& ""===a.text&&("textbox"!==a.type&&"i-text"!==a.type||wbAction("deleteObj",JSON.stringify({wbId:D.id,obj:[{uid:a.uid,slide:a.slide}]})))}function q(a){a.path.uid=UUID.generate();a.path.slide=this.slide;y(a.path)}function F(){null!==ca&&clearTimeout(ca);ca=setTimeout(function(){var a=K.find(".scroll-container"),b=a.find(".canvas-container");if(Math.round(a.height()+a[0].scrollTop)===a[0].scrollHeight)return V!==b.length-1&&t(b.length-1),!1;b.each(function(a){var b=$(this).height(),c=$(this).position(); if(V!==a&&c.top>100-b&&100>c.top)return t(a),!1})},100)}function I(){K.find(".scroll-container .canvas-container").each(function(a){Y===PRESENTER?($(this).show(),a=K.find(".scroll-container .canvas-container"),a.length>V&&a[V].scrollIntoView()):a===V?$(this).show():$(this).hide()})}function S(a){a.off({"wb:object:created":y,"object:modified":w,"object:added":z,"object:selected":A,"path:created":q,"before:selection:cleared":u});a.on({"wb:object:created":y,"object:modified":w});if(Y!==NONE)a.on({"object:added":z, "object:selected":A,"path:created":q,"before:selection:cleared":u})}function P(){var a=H.length,b="can-"+K.attr("id")+"-slide-"+a,c=$("\x3ccanvas\x3e\x3c/canvas\x3e").attr("id",b);K.find(".canvases").append(c);c=new fabric.Canvas(c.attr("id"),{preserveObjectStacking:!0});c.wbId=D.id;c.slide=a;H.push(c);b=$("#"+b).closest(".canvas-container");Y===NONE&&(a===V?b.show():b.hide());c.setWidth(R*Q).setHeight(R*Z).setZoom(R);S(c)}function U(){switch(aa){case "fullFit":R=Math.min((N.width()-10)/Q,(N.height()- O.height()-10)/Z);M.find(".zoom").val(aa);break;case "pageWidth":R=(N.width()-10)/Q;M.find(".zoom").val(aa);break;default:var a=M.find(".zoom").find('option[value\x3d"'+R.toFixed(2)+'"]');1===a.length?a.prop("selected",!0):M.find(".zoom").data("custom-val",R).find("option[value\x3dcustom]").text((100*R).toFixed(0)+"%").prop("selected",!0)}D.eachCanvas(function(a){a.setWidth(R*Q).setHeight(R*Z).setZoom(R)});t(V)}function W(a){"object"===typeof a&&a.remove()}function ba(){var a=$("#wb-settings");a.dialog("instance")&& a.dialog("destroy")}var D={id:-1,name:""},H=[],N=$(".room.wb.area .wb-area .tabs.ui-tabs"),O=N.find(".wb-tabbar"),T="uid fileId fileType count slide omType _src formula".split(" "),K,L,M,G,J,X,V=0,Q=0,Z=0,R=1,aa="pageWidth",Y=null,ca=null;D.setRole=function(a){if(Y!==a){var b=c();b&&1===b.length&&b.data().deactivate();K.find(".tools").remove();K.find(".wb-tool-settings").remove();K.find(".wb-zoom").remove();Y=a;a=K.find(".scroll-container");M=OmUtil.tmpl("#wb-zoom").attr("style","position: absolute; top: 0px; "+ (Settings.isRtl?"right":"left")+": 80px;");W(L);W(G);W(J);Y===NONE?(ba(),L=Room.getOptions().questions?OmUtil.tmpl("#wb-tools-readonly"):K.find("invalid-wb-element"),a.off("scroll",F)):(L=OmUtil.tmpl("#wb-tools"),G=OmUtil.tmpl("#wb-tool-settings").attr("style","display: none; bottom: 100px; "+(Settings.isRtl?"left":"right")+": 100px;"),J=OmUtil.tmpl("#wb-formula").attr("style","display: none; bottom: 100px; "+(Settings.isRtl?"left":"right")+": 100px;"),K.append(G,J),a.on("scroll",F));L.attr("style", "position: absolute; top: 20px; "+(Settings.isRtl?"left":"right")+": 20px;");K.append(L).append(M);I();L=K.find(".tools");G=K.find(".wb-tool-settings");D.eachCanvas(function(a){S(a);a.forEachObject(function(a){a&&"Video"===a.omType&&a.setPlayable(Y)})});r()}};D.init=function(a,b,c){D.id=a.wbId;D.name=a.name;Q=a.width;Z=a.height;R=a.zoom;aa=a.zoomMode;K=$("#"+b);P();D.setRole(c)};D.setSize=function(a){Q=a.width;Z=a.height;R=a.zoom;aa=a.zoomMode;U()};D.resize=function(){1===L.length&&L.position().left+ L.width()>K.width()&&L.position({my:Settings.isRtl?"left":"right",at:(Settings.isRtl?"left":"right")+"-20",of:"#"+K[0].id,collision:"fit"});M.position().left+M.width()>K.width()&&M.position({my:(Settings.isRtl?"right":"left")+" top",at:"center top",of:"#"+K[0].id,collision:"fit"});"zoom"!==aa&&U()};D.setSlide=function(a){V=a;I()};D.createObj=function(a){var b=[],c=[];a=Array.isArray(a)?a:[a];for(var d=0;d<a.length;++d){var e=a[d];if(e.deleted&&"Presentation"!==e.fileType)c.push(e);else switch(e.type){case "pointer":APointer(D).create(H[e.slide], e);break;case "video":Player.create(H[e.slide],e,D);break;case "math":StaticTMath.create(e,H[e.slide]);break;default:p(e)||b.push(e)}}0<b.length&&C(b,E);for(b=0;b<c.length;++b)a=c[b],ToolUtil.addDeletedItem(H[a.slide],a)};D.load=D.createObj;D.modifyObj=function(a){var b=[];a=Array.isArray(a)?a:[a];for(var c=0;c<a.length;++c){var d=a[c];switch(d.type){case "pointer":l(APointer(D).create(H[d.slide],d));break;case "video":var e=p(d);e&&Player.modify(e,d);break;case "math":B(d);StaticTMath.create(d,H[d.slide]); break;default:b.push(d)}}0<b.length&&C(b,l)};D.removeObj=function(a){for(var b=0;b<a.length;++b)B(a[b])};D.clearAll=function(){for(var a=1;a<H.length;++a)$("#can-wb-tab-"+D.id+"-slide-"+a).closest(".canvas-container").remove(),H[a].dispose();$(".room.wb.area .wb-video").remove();H.splice(1);H[0].clear();n()};D.clearSlide=function(a){if(H.length>a){var b=H[a];b.renderOnAddRemove=!1;for(var c=b.getObjects();0<c.length;)b.remove(c[c.length-1]),c=b.getObjects();$(".room.wb.area .wb-video.slide-"+a).remove(); b.renderOnAddRemove=!0;b.requestRenderAll()}};D.getCanvas=function(){return H[V]};D.eachCanvas=function(a){for(var b=0;b<H.length;++b)a(H[b])};D.videoStatus=function(a){var b=p(a);b&&b.videoStatus(a.status)};D.getRole=function(){return Y};D.getFormula=function(){return J};D.getZoom=function(){return R};D.destroy=function(){ba()};return 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