~johanvandegriff/drawphone

732d1056cd9ec9dcb5ce059a3e0342c4b2e38df1 — Johan Vandegriff 1 year, 6 months ago 064c95f
removed Google Analytics and moved remote CSS to local
A public/css/bootstrap.min.css => public/css/bootstrap.min.css +6 -0
@@ 0,0 1,6 @@
/*!
 * Bootstrap v3.3.7 (http://getbootstrap.com)
 * Copyright 2011-2016 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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\ No newline at end of file

A public/img/drawphone.svg => public/img/drawphone.svg +10 -0
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A public/js/bootstrap.min.js => public/js/bootstrap.min.js +7 -0
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/*!
 * Bootstrap v3.3.6 (http://getbootstrap.com)
 * Copyright 2011-2015 Twitter, Inc.
 * Licensed under the MIT license
 */
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\ No newline at end of file

A public/js/canvas-to-blob.min.js => public/js/canvas-to-blob.min.js +2 -0
@@ 0,0 1,2 @@
!function(t){"use strict";var e=t.HTMLCanvasElement&&t.HTMLCanvasElement.prototype,o=t.Blob&&function(){try{return Boolean(new Blob)}catch(t){return!1}}(),n=o&&t.Uint8Array&&function(){try{return 100===new Blob([new Uint8Array(100)]).size}catch(t){return!1}}(),r=t.BlobBuilder||t.WebKitBlobBuilder||t.MozBlobBuilder||t.MSBlobBuilder,a=/^data:((.*?)(;charset=.*?)?)(;base64)?,/,i=(o||r)&&t.atob&&t.ArrayBuffer&&t.Uint8Array&&function(t){var e,i,l,u,b,c,d,B,f;if(e=t.match(a),!e)throw new Error("invalid data URI");for(i=e[2]?e[1]:"text/plain"+(e[3]||";charset=US-ASCII"),l=!!e[4],u=t.slice(e[0].length),b=l?atob(u):decodeURIComponent(u),c=new ArrayBuffer(b.length),d=new Uint8Array(c),B=0;B<b.length;B+=1)d[B]=b.charCodeAt(B);return o?new Blob([n?d:c],{type:i}):(f=new r,f.append(c),f.getBlob(i))};t.HTMLCanvasElement&&!e.toBlob&&(e.mozGetAsFile?e.toBlob=function(t,o,n){t(n&&e.toDataURL&&i?i(this.toDataURL(o,n)):this.mozGetAsFile("blob",o))}:e.toDataURL&&i&&(e.toBlob=function(t,e,o){t(i(this.toDataURL(e,o)))})),"function"==typeof define&&define.amd?define(function(){return i}):"object"==typeof module&&module.exports?module.exports=i:t.dataURLtoBlob=i}(window);
//# sourceMappingURL=canvas-to-blob.min.js.map
\ No newline at end of file

A public/js/fabric.min.js => public/js/fabric.min.js +1 -0
@@ 0,0 1,1 @@
var fabric=fabric||{version:"2.3.2"};function resizeCanvasIfNeeded(t){var e=t.targetCanvas,i=e.width,r=e.height,n=t.destinationWidth,s=t.destinationHeight;i===n&&r===s||(e.width=n,e.height=s)}function copyGLTo2DDrawImage(t,e){var i=t.canvas,r=e.targetCanvas,n=r.getContext("2d");n.translate(0,r.height),n.scale(1,-1);var s=i.height-r.height;n.drawImage(i,0,s,r.width,r.height,0,0,r.width,r.height)}function copyGLTo2DPutImageData(t,e){var i=e.targetCanvas.getContext("2d"),r=e.destinationWidth,n=e.destinationHeight,s=r*n*4,o=new Uint8Array(this.imageBuffer,0,s),a=new Uint8ClampedArray(this.imageBuffer,0,s);t.readPixels(0,0,r,n,t.RGBA,t.UNSIGNED_BYTE,o);var h=new ImageData(a,r,n);i.putImageData(h,0,0)}"undefined"!=typeof exports?exports.fabric=fabric:"function"==typeof define&&define.amd&&define([],function(){return fabric}),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,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,fabric.isLikelyNode="undefined"!=typeof Buffer&&"undefined"==typeof window,fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id","paint-order","instantiated_by_use"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.iMatrix=[1,0,0,1,0,0],fabric.canvasModule="canvas",fabric.perfLimitSizeTotal=2097152,fabric.maxCacheSideLimit=4096,fabric.minCacheSideLimit=256,fabric.charWidthsCache={},fabric.textureSize=2048,fabric.enableGLFiltering=!0,fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,fabric.browserShadowBlurConstant=1,fabric.initFilterBackend=function(){return fabric.enableGLFiltering&&fabric.isWebglSupported&&fabric.isWebglSupported(fabric.textureSize)?(console.log("max texture size: "+fabric.maxTextureSize),new fabric.WebglFilterBackend({tileSize:fabric.textureSize})):fabric.Canvas2dFilterBackend?new fabric.Canvas2dFilterBackend:void 0},"undefined"!=typeof document&&"undefined"!=typeof window&&(window.fabric=fabric),function(){function r(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function t(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function e(t,e){if(this.__eventListeners){if(0===arguments.length)for(t in this.__eventListeners)r.call(this,t);else if(1===arguments.length&&"object"==typeof t)for(var i in t)r.call(this,i,t[i]);else r.call(this,t,e);return this}}function i(t,e){if(this.__eventListeners){var i=this.__eventListeners[t];if(i){for(var r=0,n=i.length;r<n;r++)i[r]&&i[r].call(this,e||{});return this.__eventListeners[t]=i.filter(function(t){return!1!==t}),this}}}fabric.Observable={observe:t,stopObserving:e,fire:i,on:t,off:e,trigger:i}}(),fabric.Collection={_objects:[],add:function(){if(this._objects.push.apply(this._objects,arguments),this._onObjectAdded)for(var t=0,e=arguments.length;t<e;t++)this._onObjectAdded(arguments[t]);return this.renderOnAddRemove&&this.requestRenderAll(),this},insertAt:function(t,e,i){var r=this.getObjects();return i?r[e]=t:r.splice(e,0,t),this._onObjectAdded&&this._onObjectAdded(t),this.renderOnAddRemove&&this.requestRenderAll(),this},remove:function(){for(var t,e=this.getObjects(),i=!1,r=0,n=arguments.length;r<n;r++)-1!==(t=e.indexOf(arguments[r]))&&(i=!0,e.splice(t,1),this._onObjectRemoved&&this._onObjectRemoved(arguments[r]));return this.renderOnAddRemove&&i&&this.requestRenderAll(),this},forEachObject:function(t,e){for(var i=this.getObjects(),r=0,n=i.length;r<n;r++)t.call(e,i[r],r,i);return this},getObjects:function(e){return void 0===e?this._objects:this._objects.filter(function(t){return t.type===e})},item:function(t){return this.getObjects()[t]},isEmpty:function(){return 0===this.getObjects().length},size:function(){return this.getObjects().length},contains:function(t){return-1<this.getObjects().indexOf(t)},complexity:function(){return this.getObjects().reduce(function(t,e){return t+=e.complexity?e.complexity():0},0)}},fabric.CommonMethods={_setOptions:function(t){for(var e in t)this.set(e,t[e])},_initGradient:function(t,e){!t||!t.colorStops||t instanceof fabric.Gradient||this.set(e,new fabric.Gradient(t))},_initPattern:function(t,e,i){!t||!t.source||t instanceof fabric.Pattern?i&&i():this.set(e,new fabric.Pattern(t,i))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var e=fabric.util.getFunctionBody(t.clipTo);void 0!==e&&(this.clipTo=new Function("ctx",e))}},_setObject:function(t){for(var e in t)this._set(e,t[e])},set:function(t,e){return"object"==typeof t?this._setObject(t):"function"==typeof e&&"clipTo"!==t?this._set(t,e(this.get(t))):this._set(t,e),this},_set:function(t,e){this[t]=e},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},get:function(t){return this[t]}},function(s){var d=Math.sqrt,g=Math.atan2,o=Math.pow,a=Math.abs,h=Math.PI/180,i=Math.PI/2;fabric.util={cos:function(t){if(0===t)return 1;switch(t<0&&(t=-t),t/i){case 1:case 3:return 0;case 2:return-1}return Math.cos(t)},sin:function(t){if(0===t)return 0;var e=1;switch(t<0&&(e=-1),t/i){case 1:return e;case 2:return 0;case 3:return-e}return Math.sin(t)},removeFromArray:function(t,e){var i=t.indexOf(e);return-1!==i&&t.splice(i,1),t},getRandomInt:function(t,e){return Math.floor(Math.random()*(e-t+1))+t},degreesToRadians:function(t){return t*h},radiansToDegrees:function(t){return t/h},rotatePoint:function(t,e,i){t.subtractEquals(e);var r=fabric.util.rotateVector(t,i);return new fabric.Point(r.x,r.y).addEquals(e)},rotateVector:function(t,e){var i=fabric.util.sin(e),r=fabric.util.cos(e);return{x:t.x*r-t.y*i,y:t.x*i+t.y*r}},transformPoint:function(t,e,i){return i?new fabric.Point(e[0]*t.x+e[2]*t.y,e[1]*t.x+e[3]*t.y):new fabric.Point(e[0]*t.x+e[2]*t.y+e[4],e[1]*t.x+e[3]*t.y+e[5])},makeBoundingBoxFromPoints:function(t){var e=[t[0].x,t[1].x,t[2].x,t[3].x],i=fabric.util.array.min(e),r=fabric.util.array.max(e)-i,n=[t[0].y,t[1].y,t[2].y,t[3].y],s=fabric.util.array.min(n);return{left:i,top:s,width:r,height:fabric.util.array.max(n)-s}},invertTransform:function(t){var e=1/(t[0]*t[3]-t[1]*t[2]),i=[e*t[3],-e*t[1],-e*t[2],e*t[0]],r=fabric.util.transformPoint({x:t[4],y:t[5]},i,!0);return i[4]=-r.x,i[5]=-r.y,i},toFixed:function(t,e){return parseFloat(Number(t).toFixed(e))},parseUnit:function(t,e){var i=/\D{0,2}$/.exec(t),r=parseFloat(t);switch(e||(e=fabric.Text.DEFAULT_SVG_FONT_SIZE),i[0]){case"mm":return r*fabric.DPI/25.4;case"cm":return r*fabric.DPI/2.54;case"in":return r*fabric.DPI;case"pt":return r*fabric.DPI/72;case"pc":return r*fabric.DPI/72*12;case"em":return r*e;default:return r}},falseFunction:function(){return!1},getKlass:function(t,e){return t=fabric.util.string.camelize(t.charAt(0).toUpperCase()+t.slice(1)),fabric.util.resolveNamespace(e)[t]},getSvgAttributes:function(t){var e=["instantiated_by_use","style","id","class"];switch(t){case"linearGradient":e=e.concat(["x1","y1","x2","y2","gradientUnits","gradientTransform"]);break;case"radialGradient":e=e.concat(["gradientUnits","gradientTransform","cx","cy","r","fx","fy","fr"]);break;case"stop":e=e.concat(["offset","stop-color","stop-opacity"])}return e},resolveNamespace:function(t){if(!t)return fabric;var e,i=t.split("."),r=i.length,n=s||fabric.window;for(e=0;e<r;++e)n=n[i[e]];return n},loadImage:function(t,e,i,r){if(t){var n=fabric.util.createImage(),s=function(){e&&e.call(i,n),n=n.onload=n.onerror=null};n.onload=s,n.onerror=function(){fabric.log("Error loading "+n.src),e&&e.call(i,null,!0),n=n.onload=n.onerror=null},0!==t.indexOf("data")&&r&&(n.crossOrigin=r),"data:image/svg"===t.substring(0,14)&&(n.onload=null,fabric.util.loadImageInDom(n,s)),n.src=t}else e&&e.call(i,t)},loadImageInDom:function(t,e){var i=fabric.document.createElement("div");i.style.width=i.style.height="1px",i.style.left=i.style.top="-100%",i.style.position="absolute",i.appendChild(t),fabric.document.querySelector("body").appendChild(i),t.onload=function(){e(),i.parentNode.removeChild(i),i=null}},enlivenObjects:function(t,e,n,s){function o(){++i===r&&e&&e(a)}var a=[],i=0,r=(t=t||[]).length;r?t.forEach(function(i,r){i&&i.type?fabric.util.getKlass(i.type,n).fromObject(i,function(t,e){e||(a[r]=t),s&&s(i,t,e),o()}):o()}):e&&e(a)},enlivenPatterns:function(t,e){function i(){++n===s&&e&&e(r)}var r=[],n=0,s=(t=t||[]).length;s?t.forEach(function(t,e){t&&t.source?new fabric.Pattern(t,function(t){r[e]=t,i()}):(r[e]=t,i())}):e&&e(r)},groupSVGElements:function(t,e,i){var r;return 1===t.length?t[0]:(e&&(e.width&&e.height?e.centerPoint={x:e.width/2,y:e.height/2}:(delete e.width,delete e.height)),r=new fabric.Group(t,e),void 0!==i&&(r.sourcePath=i),r)},populateWithProperties:function(t,e,i){if(i&&"[object Array]"===Object.prototype.toString.call(i))for(var r=0,n=i.length;r<n;r++)i[r]in t&&(e[i[r]]=t[i[r]])},drawDashedLine:function(t,e,i,r,n,s){var o=r-e,a=n-i,h=d(o*o+a*a),c=g(a,o),l=s.length,u=0,f=!0;for(t.save(),t.translate(e,i),t.moveTo(0,0),t.rotate(c),e=0;e<h;)h<(e+=s[u++%l])&&(e=h),t[f?"lineTo":"moveTo"](e,0),f=!f;t.restore()},createCanvasElement:function(){return fabric.document.createElement("canvas")},createImage:function(){return fabric.document.createElement("img")},clipContext:function(t,e){e.save(),e.beginPath(),t.clipTo(e),e.clip()},multiplyTransformMatrices:function(t,e,i){return[t[0]*e[0]+t[2]*e[1],t[1]*e[0]+t[3]*e[1],t[0]*e[2]+t[2]*e[3],t[1]*e[2]+t[3]*e[3],i?0:t[0]*e[4]+t[2]*e[5]+t[4],i?0:t[1]*e[4]+t[3]*e[5]+t[5]]},qrDecompose:function(t){var e=g(t[1],t[0]),i=o(t[0],2)+o(t[1],2),r=d(i),n=(t[0]*t[3]-t[2]*t[1])/r,s=g(t[0]*t[2]+t[1]*t[3],i);return{angle:e/h,scaleX:r,scaleY:n,skewX:s/h,skewY:0,translateX:t[4],translateY:t[5]}},customTransformMatrix:function(t,e,i){var r=[1,0,a(Math.tan(i*h)),1],n=[a(t),0,0,a(e)];return fabric.util.multiplyTransformMatrices(n,r,!0)},resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.flipX=!1,t.flipY=!1,t.rotate(0)},getFunctionBody:function(t){return(String(t).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},isTransparent:function(t,e,i,r){0<r&&(r<e?e-=r:e=0,r<i?i-=r:i=0);var n,s=!0,o=t.getImageData(e,i,2*r||1,2*r||1),a=o.data.length;for(n=3;n<a&&!1!==(s=o.data[n]<=0);n+=4);return o=null,s},parsePreserveAspectRatioAttribute:function(t){var e,i="meet",r=t.split(" ");return r&&r.length&&("meet"!==(i=r.pop())&&"slice"!==i?(e=i,i="meet"):r.length&&(e=r.pop())),{meetOrSlice:i,alignX:"none"!==e?e.slice(1,4):"none",alignY:"none"!==e?e.slice(5,8):"none"}},clearFabricFontCache:function(t){(t=(t||"").toLowerCase())?fabric.charWidthsCache[t]&&delete fabric.charWidthsCache[t]:fabric.charWidthsCache={}},limitDimsByArea:function(t,e){var i=Math.sqrt(e*t),r=Math.floor(e/i);return{x:Math.floor(i),y:r}},capValue:function(t,e,i){return Math.max(t,Math.min(e,i))},findScaleToFit:function(t,e){return Math.min(e.width/t.width,e.height/t.height)},findScaleToCover:function(t,e){return Math.max(e.width/t.width,e.height/t.height)}}}("undefined"!=typeof exports?exports:this),function(){var I={},C={},j={},L=Array.prototype.join;function v(t,e,i,r,n,s,o){var a=L.call(arguments);if(I[a])return I[a];var h=Math.PI,c=o*h/180,l=fabric.util.sin(c),u=fabric.util.cos(c),f=0,d=0,g=-u*t*.5-l*e*.5,p=-u*e*.5+l*t*.5,v=(i=Math.abs(i))*i,m=(r=Math.abs(r))*r,b=p*p,_=g*g,y=v*m-v*b-m*_,x=0;if(y<0){var C=Math.sqrt(1-y/(v*m));i*=C,r*=C}else x=(n===s?-1:1)*Math.sqrt(y/(v*b+m*_));var S=x*i*p/r,w=-x*r*g/i,T=u*S-l*w+.5*t,O=l*S+u*w+.5*e,k=B(1,0,(g-S)/i,(p-w)/r),D=B((g-S)/i,(p-w)/r,(-g-S)/i,(-p-w)/r);0===s&&0<D?D-=2*h:1===s&&D<0&&(D+=2*h);for(var E=Math.ceil(Math.abs(D/h*2)),j=[],A=D/E,P=8/3*Math.sin(A/4)*Math.sin(A/4)/Math.sin(A/2),F=k+A,M=0;M<E;M++)j[M]=R(k,F,u,l,i,r,T,O,P,f,d),f=j[M][4],d=j[M][5],k=F,F+=A;return I[a]=j}function R(t,e,i,r,n,s,o,a,h,c,l){var u=L.call(arguments);if(C[u])return C[u];var f=fabric.util.cos(t),d=fabric.util.sin(t),g=fabric.util.cos(e),p=fabric.util.sin(e),v=i*n*g-r*s*p+o,m=r*n*g+i*s*p+a,b=c+h*(-i*n*d-r*s*f),_=l+h*(-r*n*d+i*s*f),y=v+h*(i*n*p+r*s*g),x=m+h*(r*n*p-i*s*g);return C[u]=[b,_,y,x,v,m],C[u]}function B(t,e,i,r){var n=Math.atan2(e,t),s=Math.atan2(r,i);return n<=s?s-n:2*Math.PI-(n-s)}function m(t,e,i,r,n,s,o,a){var h=L.call(arguments);if(j[h])return j[h];var c,l,u,f,d,g,p,v,m=Math.sqrt,b=Math.min,_=Math.max,y=Math.abs,x=[],C=[[],[]];l=6*t-12*i+6*n,c=-3*t+9*i-9*n+3*o,u=3*i-3*t;for(var S=0;S<2;++S)if(0<S&&(l=6*e-12*r+6*s,c=-3*e+9*r-9*s+3*a,u=3*r-3*e),y(c)<1e-12){if(y(l)<1e-12)continue;0<(f=-u/l)&&f<1&&x.push(f)}else(p=l*l-4*u*c)<0||(0<(d=(-l+(v=m(p)))/(2*c))&&d<1&&x.push(d),0<(g=(-l-v)/(2*c))&&g<1&&x.push(g));for(var w,T,O,k=x.length,D=k;k--;)w=(O=1-(f=x[k]))*O*O*t+3*O*O*f*i+3*O*f*f*n+f*f*f*o,C[0][k]=w,T=O*O*O*e+3*O*O*f*r+3*O*f*f*s+f*f*f*a,C[1][k]=T;C[0][D]=t,C[1][D]=e,C[0][D+1]=o,C[1][D+1]=a;var E=[{x:b.apply(null,C[0]),y:b.apply(null,C[1])},{x:_.apply(null,C[0]),y:_.apply(null,C[1])}];return j[h]=E}fabric.util.drawArc=function(t,e,i,r){for(var n=r[0],s=r[1],o=r[2],a=r[3],h=r[4],c=[[],[],[],[]],l=v(r[5]-e,r[6]-i,n,s,a,h,o),u=0,f=l.length;u<f;u++)c[u][0]=l[u][0]+e,c[u][1]=l[u][1]+i,c[u][2]=l[u][2]+e,c[u][3]=l[u][3]+i,c[u][4]=l[u][4]+e,c[u][5]=l[u][5]+i,t.bezierCurveTo.apply(t,c[u])},fabric.util.getBoundsOfArc=function(t,e,i,r,n,s,o,a,h){for(var c,l=0,u=0,f=[],d=v(a-t,h-e,i,r,s,o,n),g=0,p=d.length;g<p;g++)c=m(l,u,d[g][0],d[g][1],d[g][2],d[g][3],d[g][4],d[g][5]),f.push({x:c[0].x+t,y:c[0].y+e}),f.push({x:c[1].x+t,y:c[1].y+e}),l=d[g][4],u=d[g][5];return f},fabric.util.getBoundsOfCurve=m}(),function(){var o=Array.prototype.slice;function i(t,e,i){if(t&&0!==t.length){var r=t.length-1,n=e?t[r][e]:t[r];if(e)for(;r--;)i(t[r][e],n)&&(n=t[r][e]);else for(;r--;)i(t[r],n)&&(n=t[r]);return n}}fabric.util.array={fill:function(t,e){for(var i=t.length;i--;)t[i]=e;return t},invoke:function(t,e){for(var i=o.call(arguments,2),r=[],n=0,s=t.length;n<s;n++)r[n]=i.length?t[n][e].apply(t[n],i):t[n][e].call(t[n]);return r},min:function(t,e){return i(t,e,function(t,e){return t<e})},max:function(t,e){return i(t,e,function(t,e){return e<=t})}}}(),function(){function o(t,e,i){if(i)if(!fabric.isLikelyNode&&e instanceof Element)t=e;else if(e instanceof Array){t=[];for(var r=0,n=e.length;r<n;r++)t[r]=o({},e[r],i)}else if(e&&"object"==typeof e)for(var s in e)e.hasOwnProperty(s)&&(t[s]=o({},e[s],i));else t=e;else for(var s in e)t[s]=e[s];return t}fabric.util.object={extend:o,clone:function(t,e){return o({},t,e)}},fabric.util.object.extend(fabric.util,fabric.Observable)}(),function(){function n(t,e){var i=t.charCodeAt(e);if(isNaN(i))return"";if(i<55296||57343<i)return t.charAt(e);if(55296<=i&&i<=56319){if(t.length<=e+1)throw"High surrogate without following low surrogate";var r=t.charCodeAt(e+1);if(r<56320||57343<r)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var n=t.charCodeAt(e-1);if(n<55296||56319<n)throw"Low surrogate without preceding high surrogate";return!1}fabric.util.string={camelize:function(t){return t.replace(/-+(.)?/g,function(t,e){return e?e.toUpperCase():""})},capitalize:function(t,e){return t.charAt(0).toUpperCase()+(e?t.slice(1):t.slice(1).toLowerCase())},escapeXml:function(t){return t.replace(/&/g,"&amp;").replace(/"/g,"&quot;").replace(/'/g,"&apos;").replace(/</g,"&lt;").replace(/>/g,"&gt;")},graphemeSplit:function(t){var e,i=0,r=[];for(i=0;i<t.length;i++)!1!==(e=n(t,i))&&r.push(e);return r}}}(),function(){var s=Array.prototype.slice,o=function(){},i=function(){for(var t in{toString:1})if("toString"===t)return!1;return!0}(),a=function(t,r,n){for(var e in r)e in t.prototype&&"function"==typeof t.prototype[e]&&-1<(r[e]+"").indexOf("callSuper")?t.prototype[e]=function(i){return function(){var t=this.constructor.superclass;this.constructor.superclass=n;var e=r[i].apply(this,arguments);if(this.constructor.superclass=t,"initialize"!==i)return e}}(e):t.prototype[e]=r[e],i&&(r.toString!==Object.prototype.toString&&(t.prototype.toString=r.toString),r.valueOf!==Object.prototype.valueOf&&(t.prototype.valueOf=r.valueOf))};function h(){}function c(t){for(var e=null,i=this;i.constructor.superclass;){var r=i.constructor.superclass.prototype[t];if(i[t]!==r){e=r;break}i=i.constructor.superclass.prototype}return e?1<arguments.length?e.apply(this,s.call(arguments,1)):e.call(this):console.log("tried to callSuper "+t+", method not found in prototype chain",this)}fabric.util.createClass=function(){var t=null,e=s.call(arguments,0);function i(){this.initialize.apply(this,arguments)}"function"==typeof e[0]&&(t=e.shift()),i.superclass=t,i.subclasses=[],t&&(h.prototype=t.prototype,i.prototype=new h,t.subclasses.push(i));for(var r=0,n=e.length;r<n;r++)a(i,e[r],t);return i.prototype.initialize||(i.prototype.initialize=o),(i.prototype.constructor=i).prototype.callSuper=c,i}}(),function(){function t(t){var e,i,r=Array.prototype.slice.call(arguments,1),n=r.length;for(i=0;i<n;i++)if(e=typeof t[r[i]],!/^(?:function|object|unknown)$/.test(e))return!1;return!0}var n,s,e,i,a=(e=0,function(t){return t.__uniqueID||(t.__uniqueID="uniqueID__"+e++)});function o(t,e){return{handler:e,wrappedHandler:(i=t,r=e,function(t){r.call(n(i),t||fabric.window.event)})};var i,r}i={},n=function(t){return i[t]},s=function(t,e){i[t]=e};var r,h,c=t(fabric.document.documentElement,"addEventListener","removeEventListener")&&t(fabric.window,"addEventListener","removeEventListener"),l=t(fabric.document.documentElement,"attachEvent","detachEvent")&&t(fabric.window,"attachEvent","detachEvent"),u={},f={};c?(r=function(t,e,i,r){t&&t.addEventListener(e,i,!l&&r)},h=function(t,e,i,r){t&&t.removeEventListener(e,i,!l&&r)}):l?(r=function(t,e,i){if(t){var r=a(t);s(r,t),u[r]||(u[r]={}),u[r][e]||(u[r][e]=[]);var n=o(r,i);u[r][e].push(n),t.attachEvent("on"+e,n.wrappedHandler)}},h=function(t,e,i){if(t){var r,n=a(t);if(u[n]&&u[n][e])for(var s=0,o=u[n][e].length;s<o;s++)(r=u[n][e][s])&&r.handler===i&&(t.detachEvent("on"+e,r.wrappedHandler),u[n][e][s]=null)}}):(r=function(t,e,i){if(t){var n,s,r=a(t);if(f[r]||(f[r]={}),!f[r][e]){f[r][e]=[];var o=t["on"+e];o&&f[r][e].push(o),t["on"+e]=(n=r,s=e,function(t){if(f[n]&&f[n][s])for(var e=f[n][s],i=0,r=e.length;i<r;i++)e[i].call(this,t||fabric.window.event)})}f[r][e].push(i)}},h=function(t,e,i){if(t){var r=a(t);if(f[r]&&f[r][e])for(var n=f[r][e],s=0,o=n.length;s<o;s++)n[s]===i&&n.splice(s,1)}}),fabric.util.addListener=r,fabric.util.removeListener=h;var d=function(t){return t.clientX},g=function(t){return t.clientY};function p(t,e,i){var r,n=t["touchend"===t.type?"changedTouches":"touches"];return n&&n[0]&&(r=n[0][i]),void 0===r&&(r=t[i]),r}fabric.isTouchSupported&&(d=function(t){return p(t,0,"clientX")},g=function(t){return p(t,0,"clientY")}),fabric.util.getPointer=function(t){t||(t=fabric.window.event);var e=t.target||("unknown"!=typeof t.srcElement?t.srcElement:null),i=fabric.util.getScrollLeftTop(e);return{x:d(t)+i.left,y:g(t)+i.top}}}(),function(){var t=fabric.document.createElement("div"),e="string"==typeof t.style.opacity,i="string"==typeof t.style.filter,r=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,n=function(t){return t};e?n=function(t,e){return t.style.opacity=e,t}:i&&(n=function(t,e){var i=t.style;return t.currentStyle&&!t.currentStyle.hasLayout&&(i.zoom=1),r.test(i.filter)?(e=.9999<=e?"":"alpha(opacity="+100*e+")",i.filter=i.filter.replace(r,e)):i.filter+=" alpha(opacity="+100*e+")",t}),fabric.util.setStyle=function(t,e){var i=t.style;if(!i)return t;if("string"==typeof e)return t.style.cssText+=";"+e,-1<e.indexOf("opacity")?n(t,e.match(/opacity:\s*(\d?\.?\d*)/)[1]):t;for(var r in e)"opacity"===r?n(t,e[r]):i["float"===r||"cssFloat"===r?void 0===i.styleFloat?"cssFloat":"styleFloat":r]=e[r];return t}}(),function(){var e=Array.prototype.slice;var t,h,i,r,n=function(t){return e.call(t,0)};try{t=n(fabric.document.childNodes)instanceof Array}catch(t){}function s(t,e){var i=fabric.document.createElement(t);for(var r in e)"class"===r?i.className=e[r]:"for"===r?i.htmlFor=e[r]:i.setAttribute(r,e[r]);return i}function c(t){for(var e=0,i=0,r=fabric.document.documentElement,n=fabric.document.body||{scrollLeft:0,scrollTop:0};t&&(t.parentNode||t.host)&&((t=t.parentNode||t.host)===fabric.document?(e=n.scrollLeft||r.scrollLeft||0,i=n.scrollTop||r.scrollTop||0):(e+=t.scrollLeft||0,i+=t.scrollTop||0),1!==t.nodeType||"fixed"!==t.style.position););return{left:e,top:i}}t||(n=function(t){for(var e=new Array(t.length),i=t.length;i--;)e[i]=t[i];return e}),h=fabric.document.defaultView&&fabric.document.defaultView.getComputedStyle?function(t,e){var i=fabric.document.defaultView.getComputedStyle(t,null);return i?i[e]:void 0}:function(t,e){var i=t.style[e];return!i&&t.currentStyle&&(i=t.currentStyle[e]),i},i=fabric.document.documentElement.style,r="userSelect"in i?"userSelect":"MozUserSelect"in i?"MozUserSelect":"WebkitUserSelect"in i?"WebkitUserSelect":"KhtmlUserSelect"in i?"KhtmlUserSelect":"",fabric.util.makeElementUnselectable=function(t){return void 0!==t.onselectstart&&(t.onselectstart=fabric.util.falseFunction),r?t.style[r]="none":"string"==typeof t.unselectable&&(t.unselectable="on"),t},fabric.util.makeElementSelectable=function(t){return void 0!==t.onselectstart&&(t.onselectstart=null),r?t.style[r]="":"string"==typeof t.unselectable&&(t.unselectable=""),t},fabric.util.getScript=function(t,e){var i=fabric.document.getElementsByTagName("head")[0],r=fabric.document.createElement("script"),n=!0;r.onload=r.onreadystatechange=function(t){if(n){if("string"==typeof this.readyState&&"loaded"!==this.readyState&&"complete"!==this.readyState)return;n=!1,e(t||fabric.window.event),r=r.onload=r.onreadystatechange=null}},r.src=t,i.appendChild(r)},fabric.util.getById=function(t){return"string"==typeof t?fabric.document.getElementById(t):t},fabric.util.toArray=n,fabric.util.makeElement=s,fabric.util.addClass=function(t,e){t&&-1===(" "+t.className+" ").indexOf(" "+e+" ")&&(t.className+=(t.className?" ":"")+e)},fabric.util.wrapElement=function(t,e,i){return"string"==typeof e&&(e=s(e,i)),t.parentNode&&t.parentNode.replaceChild(e,t),e.appendChild(t),e},fabric.util.getScrollLeftTop=c,fabric.util.getElementOffset=function(t){var e,i,r=t&&t.ownerDocument,n={left:0,top:0},s={left:0,top:0},o={borderLeftWidth:"left",borderTopWidth:"top",paddingLeft:"left",paddingTop:"top"};if(!r)return s;for(var a in o)s[o[a]]+=parseInt(h(t,a),10)||0;return e=r.documentElement,void 0!==t.getBoundingClientRect&&(n=t.getBoundingClientRect()),i=c(t),{left:n.left+i.left-(e.clientLeft||0)+s.left,top:n.top+i.top-(e.clientTop||0)+s.top}},fabric.util.getElementStyle=h,fabric.util.getNodeCanvas=function(t){var e=fabric.jsdomImplForWrapper(t);return e._canvas||e._image}}(),function(){var h=function(){for(var t=[function(){return new ActiveXObject("Microsoft.XMLHTTP")},function(){return new ActiveXObject("Msxml2.XMLHTTP")},function(){return new ActiveXObject("Msxml2.XMLHTTP.3.0")},function(){return new 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t=fabric.window.requestAnimationFrame||fabric.window.webkitRequestAnimationFrame||fabric.window.mozRequestAnimationFrame||fabric.window.oRequestAnimationFrame||fabric.window.msRequestAnimationFrame||function(t){return fabric.window.setTimeout(t,1e3/60)},i=fabric.window.cancelAnimationFrame||fabric.window.clearTimeout;function b(){return t.apply(fabric.window,arguments)}fabric.util.animate=function(m){b(function(t){m||(m={});var o,a=t||+new Date,h=m.duration||500,c=a+h,l=m.onChange||e,u=m.abort||e,f=m.onComplete||e,d=m.easing||function(t,e,i,r){return-i*Math.cos(t/r*(Math.PI/2))+i+e},g="startValue"in m?m.startValue:0,p="endValue"in m?m.endValue:100,v=m.byValue||p-g;m.onStart&&m.onStart(),function t(e){if(u())f(p,1,1);else{o=e||+new Date;var i=c<o?h:o-a,r=i/h,n=d(i,g,v,h),s=Math.abs((n-g)/v);l(n,s,r),c<o?m.onComplete&&m.onComplete():b(t)}}(a)})},fabric.util.requestAnimFrame=b,fabric.util.cancelAnimFrame=function(){return i.apply(fabric.window,arguments)}}(),fabric.util.animateColor=function(t,e,i,c){var r=new fabric.Color(t).getSource(),n=new fabric.Color(e).getSource();c=c||{},fabric.util.animate(fabric.util.object.extend(c,{duration:i||500,startValue:r,endValue:n,byValue:n,easing:function(t,e,i,r){var n,s,o,a,h=c.colorEasing?c.colorEasing(t,r):1-Math.cos(t/r*(Math.PI/2));return n=e,s=i,o=h,a="rgba("+parseInt(n[0]+o*(s[0]-n[0]),10)+","+parseInt(n[1]+o*(s[1]-n[1]),10)+","+parseInt(n[2]+o*(s[2]-n[2]),10),a+=","+(n&&s?parseFloat(n[3]+o*(s[3]-n[3])):1),a+=")"}}))},function(){function o(t,e,i,r){return t<Math.abs(e)?(t=e,r=i/4):r=0===e&&0===t?i/(2*Math.PI)*Math.asin(1):i/(2*Math.PI)*Math.asin(e/t),{a:t,c:e,p:i,s:r}}function a(t,e,i){return t.a*Math.pow(2,10*(e-=1))*Math.sin((e*i-t.s)*(2*Math.PI)/t.p)}function n(t,e,i,r){return i-s(r-t,0,i,r)+e}function 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e,i,r,n,s,o,a=t.getAttribute("viewBox"),h=1,c=1,l=t.getAttribute("width"),u=t.getAttribute("height"),f=t.getAttribute("x")||0,d=t.getAttribute("y")||0,g=t.getAttribute("preserveAspectRatio")||"",p=!a||!C.svgViewBoxElementsRegEx.test(t.nodeName)||!(a=a.match(w)),v=!l||!u||"100%"===l||"100%"===u,m=p&&v,b={},_="",y=0,x=0;if(b.width=0,b.height=0,b.toBeParsed=m)return b;if(p)return b.width=S(l),b.height=S(u),b;if(e=-parseFloat(a[1]),i=-parseFloat(a[2]),r=parseFloat(a[3]),n=parseFloat(a[4]),v?(b.width=r,b.height=n):(b.width=S(l),b.height=S(u),h=b.width/r,c=b.height/n),"none"!==(g=C.util.parsePreserveAspectRatioAttribute(g)).alignX&&("meet"===g.meetOrSlice&&(c=h=c<h?c:h),"slice"===g.meetOrSlice&&(c=h=c<h?h:c),y=b.width-r*h,x=b.height-n*h,"Mid"===g.alignX&&(y/=2),"Mid"===g.alignY&&(x/=2),"Min"===g.alignX&&(y=0),"Min"===g.alignY&&(x=0)),1===h&&1===c&&0===e&&0===i&&0===f&&0===d)return b;if((f||d)&&(_=" translate("+S(f)+" "+S(d)+") "),s=_+" matrix("+h+" 0 0 "+c+" "+(e*h+y)+" "+(i*c+x)+") 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0===e&&(e=i.getAttribute("svgUid")),i.parentNode&&C.svgValidParentsRegEx.test(i.parentNode.nodeName)&&(s=C.parseAttributes(i.parentNode,t,e)),n=s&&s.fontSize||i.getAttribute("font-size")||C.Text.DEFAULT_SVG_FONT_SIZE;var o=t.reduce(function(t,e){return(r=i.getAttribute(e))&&(t[e]=r),t},{});o=d(o,d(function(t,e){var i={};for(var r in C.cssRules[e])if(_(t,r.split(" ")))for(var n in C.cssRules[e][r])i[n]=C.cssRules[e][r][n];return i}(i,e),C.parseStyleAttribute(i)));var a,h,c,l={};for(var u in o)h=m(a=(c=u)in p?p[c]:c,o[u],s,n),l[a]=h;l&&l.font&&C.parseFontDeclaration(l.font,l);var f=d(s,l);return C.svgValidParentsRegEx.test(i.nodeName)?f:function(t){for(var e in v)if(void 0!==t[v[e]]&&""!==t[e]){if(void 0===t[e]){if(!C.Object.prototype[e])continue;t[e]=C.Object.prototype[e]}if(0!==t[e].indexOf("url(")){var i=new C.Color(t[e]);t[e]=i.setAlpha(g(i.getAlpha()*t[v[e]],2)).toRgba()}}return t}(f)}},parseElements:function(t,e,i,r,n){new C.ElementsParser(t,e,i,r,n).parse()},parseStyleAttribute:function(t){var i,r,n,e={},s=t.getAttribute("style");return s&&("string"==typeof s?(i=e,s.replace(/;\s*$/,"").split(";").forEach(function(t){var e=t.split(":");r=e[0].trim().toLowerCase(),n=e[1].trim(),i[r]=n})):function(t,e){var i,r;for(var n in t)void 0!==t[n]&&(i=n.toLowerCase(),r=t[n],e[i]=r)}(s,e)),e},parsePointsAttribute:function(t){if(!t)return null;var e,i,r=[];for(e=0,i=(t=(t=t.replace(/,/g," ").trim()).split(/\s+/)).length;e<i;e+=2)r.push({x:parseFloat(t[e]),y:parseFloat(t[e+1])});return r},getCSSRules:function(t){var a,h,e=t.getElementsByTagName("style"),c={};for(a=0,h=e.length;a<h;a++){var i=e[a].textContent||e[a].text;""!==(i=i.replace(/\/\*[\s\S]*?\*\//g,"")).trim()&&i.match(/[^{]*\{[\s\S]*?\}/g).map(function(t){return t.trim()}).forEach(function(t){var e=t.match(/([\s\S]*?)\s*\{([^}]*)\}/),i={},r=e[2].trim().replace(/;$/,"").split(/\s*;\s*/);for(a=0,h=r.length;a<h;a++){var n=r[a].split(/\s*:\s*/),s=n[0],o=n[1];i[s]=o}(t=e[1]).split(",").forEach(function(t){""!==(t=t.replace(/^svg/i,"").trim())&&(c[t]?C.util.object.extend(c[t],i):c[t]=C.util.object.clone(i))})})}return c},loadSVGFromURL:function(t,n,i,r){t=t.replace(/^\n\s*/,"").trim(),new C.util.request(t,{method:"get",onComplete:function(t){var e=t.responseXML;e&&!e.documentElement&&C.window.ActiveXObject&&t.responseText&&((e=new ActiveXObject("Microsoft.XMLDOM")).async="false",e.loadXML(t.responseText.replace(/<!DOCTYPE[\s\S]*?(\[[\s\S]*\])*?>/i,"")));e&&e.documentElement||n&&n(null);C.parseSVGDocument(e.documentElement,function(t,e,i,r){n&&n(t,e,i,r)},i,r)}})},loadSVGFromString:function(t,n,e,i){var r;if(t=t.trim(),"undefined"!=typeof DOMParser){var s=new DOMParser;s&&s.parseFromString&&(r=s.parseFromString(t,"text/xml"))}else C.window.ActiveXObject&&((r=new ActiveXObject("Microsoft.XMLDOM")).async="false",r.loadXML(t.replace(/<!DOCTYPE[\s\S]*?(\[[\s\S]*\])*?>/i,"")));C.parseSVGDocument(r.documentElement,function(t,e,i,r){n(t,e,i,r)},e,i)}})}("undefined"!=typeof exports?exports:this),fabric.ElementsParser=function(t,e,i,r,n){this.elements=t,this.callback=e,this.options=i,this.reviver=r,this.svgUid=i&&i.svgUid||0,this.parsingOptions=n,this.regexUrl=/^url\(['"]?#([^'"]+)['"]?\)/g},fabric.ElementsParser.prototype.parse=function(){this.instances=new Array(this.elements.length),this.numElements=this.elements.length,this.createObjects()},fabric.ElementsParser.prototype.createObjects=function(){for(var t=0,e=this.elements.length;t<e;t++)this.elements[t].setAttribute("svgUid",this.svgUid),function(t,e){setTimeout(function(){t.createObject(t.elements[e],e)},0)}(this,t)},fabric.ElementsParser.prototype.createObject=function(t,e){var i=fabric[fabric.util.string.capitalize(t.tagName.replace("svg:",""))];if(i&&i.fromElement)try{this._createObject(i,t,e)}catch(t){fabric.log(t)}else this.checkIfDone()},fabric.ElementsParser.prototype._createObject=function(t,e,i){t.fromElement(e,this.createCallback(i,e),this.options)},fabric.ElementsParser.prototype.createCallback=function(i,r){var n=this;return function(t){var e;n.resolveGradient(t,"fill"),n.resolveGradient(t,"stroke"),t instanceof fabric.Image&&(e=t.parsePreserveAspectRatioAttribute(r)),t._removeTransformMatrix(e),n.reviver&&n.reviver(r,t),n.instances[i]=t,n.checkIfDone()}},fabric.ElementsParser.prototype.resolveGradient=function(t,e){var i=t[e];if(/^url\(/.test(i)){var r=this.regexUrl.exec(i)[1];this.regexUrl.lastIndex=0,fabric.gradientDefs[this.svgUid][r]&&t.set(e,fabric.Gradient.fromElement(fabric.gradientDefs[this.svgUid][r],t))}},fabric.ElementsParser.prototype.checkIfDone=function(){0==--this.numElements&&(this.instances=this.instances.filter(function(t){return null!=t}),this.callback(this.instances,this.elements))},function(t){"use strict";var e=t.fabric||(t.fabric={});function i(t,e){this.x=t,this.y=e}e.Point?e.warn("fabric.Point is already defined"):(e.Point=i).prototype={type:"point",constructor:i,add:function(t){return new i(this.x+t.x,this.y+t.y)},addEquals:function(t){return this.x+=t.x,this.y+=t.y,this},scalarAdd:function(t){return new i(this.x+t,this.y+t)},scalarAddEquals:function(t){return this.x+=t,this.y+=t,this},subtract:function(t){return new i(this.x-t.x,this.y-t.y)},subtractEquals:function(t){return this.x-=t.x,this.y-=t.y,this},scalarSubtract:function(t){return new i(this.x-t,this.y-t)},scalarSubtractEquals:function(t){return this.x-=t,this.y-=t,this},multiply:function(t){return new i(this.x*t,this.y*t)},multiplyEquals:function(t){return this.x*=t,this.y*=t,this},divide:function(t){return new i(this.x/t,this.y/t)},divideEquals:function(t){return this.x/=t,this.y/=t,this},eq:function(t){return this.x===t.x&&this.y===t.y},lt:function(t){return this.x<t.x&&this.y<t.y},lte:function(t){return this.x<=t.x&&this.y<=t.y},gt:function(t){return this.x>t.x&&this.y>t.y},gte:function(t){return this.x>=t.x&&this.y>=t.y},lerp:function(t,e){return void 0===e&&(e=.5),e=Math.max(Math.min(1,e),0),new i(this.x+(t.x-this.x)*e,this.y+(t.y-this.y)*e)},distanceFrom:function(t){var e=this.x-t.x,i=this.y-t.y;return Math.sqrt(e*e+i*i)},midPointFrom:function(t){return this.lerp(t)},min:function(t){return new i(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new i(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new i(this.x,this.y)}}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var f=t.fabric||(t.fabric={});function d(t){this.status=t,this.points=[]}f.Intersection?f.warn("fabric.Intersection is already defined"):(f.Intersection=d,f.Intersection.prototype={constructor:d,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},f.Intersection.intersectLineLine=function(t,e,i,r){var n,s=(r.x-i.x)*(t.y-i.y)-(r.y-i.y)*(t.x-i.x),o=(e.x-t.x)*(t.y-i.y)-(e.y-t.y)*(t.x-i.x),a=(r.y-i.y)*(e.x-t.x)-(r.x-i.x)*(e.y-t.y);if(0!==a){var h=s/a,c=o/a;0<=h&&h<=1&&0<=c&&c<=1?(n=new d("Intersection")).appendPoint(new f.Point(t.x+h*(e.x-t.x),t.y+h*(e.y-t.y))):n=new d}else n=new d(0===s||0===o?"Coincident":"Parallel");return n},f.Intersection.intersectLinePolygon=function(t,e,i){var r,n,s,o,a=new d,h=i.length;for(o=0;o<h;o++)r=i[o],n=i[(o+1)%h],s=d.intersectLineLine(t,e,r,n),a.appendPoints(s.points);return 0<a.points.length&&(a.status="Intersection"),a},f.Intersection.intersectPolygonPolygon=function(t,e){var i,r=new d,n=t.length;for(i=0;i<n;i++){var s=t[i],o=t[(i+1)%n],a=d.intersectLinePolygon(s,o,e);r.appendPoints(a.points)}return 0<r.points.length&&(r.status="Intersection"),r},f.Intersection.intersectPolygonRectangle=function(t,e,i){var r=e.min(i),n=e.max(i),s=new f.Point(n.x,r.y),o=new f.Point(r.x,n.y),a=d.intersectLinePolygon(r,s,t),h=d.intersectLinePolygon(s,n,t),c=d.intersectLinePolygon(n,o,t),l=d.intersectLinePolygon(o,r,t),u=new d;return u.appendPoints(a.points),u.appendPoints(h.points),u.appendPoints(c.points),u.appendPoints(l.points),0<u.points.length&&(u.status="Intersection"),u})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var c=t.fabric||(t.fabric={});function l(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function u(t,e,i){return i<0&&(i+=1),1<i&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}c.Color?c.warn("fabric.Color is already defined."):(c.Color=l,c.Color.prototype={_tryParsingColor:function(t){var e;t in l.colorNameMap&&(t=l.colorNameMap[t]),"transparent"===t&&(e=[255,255,255,0]),e||(e=l.sourceFromHex(t)),e||(e=l.sourceFromRgb(t)),e||(e=l.sourceFromHsl(t)),e||(e=[0,0,0,1]),e&&this.setSource(e)},_rgbToHsl:function(t,e,i){t/=255,e/=255,i/=255;var r,n,s,o=c.util.array.max([t,e,i]),a=c.util.array.min([t,e,i]);if(s=(o+a)/2,o===a)r=n=0;else{var h=o-a;switch(n=.5<s?h/(2-o-a):h/(o+a),o){case t:r=(e-i)/h+(e<i?6:0);break;case e:r=(i-t)/h+2;break;case i:r=(t-e)/h+4}r/=6}return[Math.round(360*r),Math.round(100*n),Math.round(100*s)]},getSource:function(){return this._source},setSource:function(t){this._source=t},toRgb:function(){var t=this.getSource();return"rgb("+t[0]+","+t[1]+","+t[2]+")"},toRgba:function(){var t=this.getSource();return"rgba("+t[0]+","+t[1]+","+t[2]+","+t[3]+")"},toHsl:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsl("+e[0]+","+e[1]+"%,"+e[2]+"%)"},toHsla:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsla("+e[0]+","+e[1]+"%,"+e[2]+"%,"+t[3]+")"},toHex:function(){var t,e,i,r=this.getSource();return t=1===(t=r[0].toString(16)).length?"0"+t:t,e=1===(e=r[1].toString(16)).length?"0"+e:e,i=1===(i=r[2].toString(16)).length?"0"+i:i,t.toUpperCase()+e.toUpperCase()+i.toUpperCase()},toHexa:function(){var t,e=this.getSource();return t=1===(t=(t=Math.round(255*e[3])).toString(16)).length?"0"+t:t,this.toHex()+t.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(t){var e=this.getSource();return e[3]=t,this.setSource(e),this},toGrayscale:function(){var t=this.getSource(),e=parseInt((.3*t[0]+.59*t[1]+.11*t[2]).toFixed(0),10),i=t[3];return this.setSource([e,e,e,i]),this},toBlackWhite:function(t){var e=this.getSource(),i=(.3*e[0]+.59*e[1]+.11*e[2]).toFixed(0),r=e[3];return t=t||127,i=Number(i)<Number(t)?0:255,this.setSource([i,i,i,r]),this},overlayWith:function(t){t instanceof l||(t=new l(t));var e,i=[],r=this.getAlpha(),n=this.getSource(),s=t.getSource();for(e=0;e<3;e++)i.push(Math.round(.5*n[e]+.5*s[e]));return i[3]=r,this.setSource(i),this}},c.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,c.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/i,c.Color.reHex=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i,c.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"},c.Color.fromRgb=function(t){return l.fromSource(l.sourceFromRgb(t))},c.Color.sourceFromRgb=function(t){var e=t.match(l.reRGBa);if(e){var i=parseInt(e[1],10)/(/%$/.test(e[1])?100:1)*(/%$/.test(e[1])?255:1),r=parseInt(e[2],10)/(/%$/.test(e[2])?100:1)*(/%$/.test(e[2])?255:1),n=parseInt(e[3],10)/(/%$/.test(e[3])?100:1)*(/%$/.test(e[3])?255:1);return[parseInt(i,10),parseInt(r,10),parseInt(n,10),e[4]?parseFloat(e[4]):1]}},c.Color.fromRgba=l.fromRgb,c.Color.fromHsl=function(t){return l.fromSource(l.sourceFromHsl(t))},c.Color.sourceFromHsl=function(t){var e=t.match(l.reHSLa);if(e){var i,r,n,s=(parseFloat(e[1])%360+360)%360/360,o=parseFloat(e[2])/(/%$/.test(e[2])?100:1),a=parseFloat(e[3])/(/%$/.test(e[3])?100:1);if(0===o)i=r=n=a;else{var h=a<=.5?a*(o+1):a+o-a*o,c=2*a-h;i=u(c,h,s+1/3),r=u(c,h,s),n=u(c,h,s-1/3)}return[Math.round(255*i),Math.round(255*r),Math.round(255*n),e[4]?parseFloat(e[4]):1]}},c.Color.fromHsla=l.fromHsl,c.Color.fromHex=function(t){return l.fromSource(l.sourceFromHex(t))},c.Color.sourceFromHex=function(t){if(t.match(l.reHex)){var e=t.slice(t.indexOf("#")+1),i=3===e.length||4===e.length,r=8===e.length||4===e.length,n=i?e.charAt(0)+e.charAt(0):e.substring(0,2),s=i?e.charAt(1)+e.charAt(1):e.substring(2,4),o=i?e.charAt(2)+e.charAt(2):e.substring(4,6),a=r?i?e.charAt(3)+e.charAt(3):e.substring(6,8):"FF";return[parseInt(n,16),parseInt(s,16),parseInt(o,16),parseFloat((parseInt(a,16)/255).toFixed(2))]}},c.Color.fromSource=function(t){var e=new l;return e.setSource(t),e})}("undefined"!=typeof exports?exports:this),function(){function d(t){var e,i,r,n,s=t.getAttribute("style"),o=t.getAttribute("offset")||0;if(o=(o=parseFloat(o)/(/%$/.test(o)?100:1))<0?0:1<o?1:o,s){var a=s.split(/\s*;\s*/);for(""===a[a.length-1]&&a.pop(),n=a.length;n--;){var h=a[n].split(/\s*:\s*/),c=h[0].trim(),l=h[1].trim();"stop-color"===c?e=l:"stop-opacity"===c&&(r=l)}}return e||(e=t.getAttribute("stop-color")||"rgb(0,0,0)"),r||(r=t.getAttribute("stop-opacity")),i=(e=new fabric.Color(e)).getAlpha(),r=isNaN(parseFloat(r))?1:parseFloat(r),r*=i,{offset:o,color:e.toRgb(),opacity:r}}var g=fabric.util.object.clone;function p(t,e,i){var r,n=0,s=1,o="";for(var a in e)"Infinity"===e[a]?e[a]=1:"-Infinity"===e[a]&&(e[a]=0),r=parseFloat(e[a],10),s="string"==typeof e[a]&&/^(\d+\.\d+)%|(\d+)%$/.test(e[a])?.01:1,"x1"===a||"x2"===a||"r2"===a?(s*="objectBoundingBox"===i?t.width:1,n="objectBoundingBox"===i&&t.left||0):"y1"!==a&&"y2"!==a||(s*="objectBoundingBox"===i?t.height:1,n="objectBoundingBox"===i&&t.top||0),e[a]=r*s+n;if("ellipse"===t.type&&null!==e.r2&&"objectBoundingBox"===i&&t.rx!==t.ry){var h=t.ry/t.rx;o=" scale(1, "+h+")",e.y1&&(e.y1/=h),e.y2&&(e.y2/=h)}return o}fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(t){t||(t={});var e={};this.id=fabric.Object.__uid++,this.type=t.type||"linear",e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice(),t.gradientTransform&&(this.gradientTransform=t.gradientTransform),this.offsetX=t.offsetX||this.offsetX,this.offsetY=t.offsetY||this.offsetY},addColorStop:function(t){for(var e in t){var i=new fabric.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return fabric.util.populateWithProperties(this,e,t),e},toSVG:function(t){var e,i,r,n,s=g(this.coords,!0),o=g(this.colorStops,!0),a=s.r1>s.r2,h=t.width/2,c=t.height/2;for(var l in o.sort(function(t,e){return t.offset-e.offset}),"path"===t.type&&(h-=t.pathOffset.x,c-=t.pathOffset.y),s)"x1"===l||"x2"===l?s[l]+=this.offsetX-h:"y1"!==l&&"y2"!==l||(s[l]+=this.offsetY-c);if(n='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(n+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?r=["<linearGradient ",n,' x1="',s.x1,'" y1="',s.y1,'" x2="',s.x2,'" y2="',s.y2,'">\n']:"radial"===this.type&&(r=["<radialGradient ",n,' cx="',a?s.x1:s.x2,'" cy="',a?s.y1:s.y2,'" r="',a?s.r1:s.r2,'" fx="',a?s.x2:s.x1,'" fy="',a?s.y2:s.y1,'">\n']),"radial"===this.type){if(a)for((o=o.concat()).reverse(),e=0,i=o.length;e<i;e++)o[e].offset=1-o[e].offset;var u=Math.min(s.r1,s.r2);if(0<u){var f=u/Math.max(s.r1,s.r2);for(e=0,i=o.length;e<i;e++)o[e].offset+=f*(1-o[e].offset)}}for(e=0,i=o.length;e<i;e++){var d=o[e];r.push("<stop ",'offset="',100*d.offset+"%",'" style="stop-color:',d.color,void 0!==d.opacity?";stop-opacity: "+d.opacity:";",'"/>\n')}return r.push("linear"===this.type?"</linearGradient>\n":"</radialGradient>\n"),r.join("")},toLive:function(t){var e,i,r,n=fabric.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(n.x1,n.y1,n.x2,n.y2):"radial"===this.type&&(e=t.createRadialGradient(n.x1,n.y1,n.r1,n.x2,n.y2,n.r2)),i=0,r=this.colorStops.length;i<r;i++){var s=this.colorStops[i].color,o=this.colorStops[i].opacity,a=this.colorStops[i].offset;void 0!==o&&(s=new fabric.Color(s).setAlpha(o).toRgba()),e.addColorStop(a,s)}return e}}}),fabric.util.object.extend(fabric.Gradient,{fromElement:function(t,e){var i,r,n,s,o,a,h=t.getElementsByTagName("stop"),c=t.getAttribute("gradientUnits")||"objectBoundingBox",l=t.getAttribute("gradientTransform"),u=[];for("linear"===(i="linearGradient"===t.nodeName||"LINEARGRADIENT"===t.nodeName?"linear":"radial")?r={x1:(a=t).getAttribute("x1")||0,y1:a.getAttribute("y1")||0,x2:a.getAttribute("x2")||"100%",y2:a.getAttribute("y2")||0}:"radial"===i&&(r={x1:(o=t).getAttribute("fx")||o.getAttribute("cx")||"50%",y1:o.getAttribute("fy")||o.getAttribute("cy")||"50%",r1:0,x2:o.getAttribute("cx")||"50%",y2:o.getAttribute("cy")||"50%",r2:o.getAttribute("r")||"50%"}),s=h.length;s--;)u.push(d(h[s]));n=p(e,r,c);var f=new fabric.Gradient({type:i,coords:r,colorStops:u,offsetX:-e.left,offsetY:-e.top});return(l||""!==n)&&(f.gradientTransform=fabric.parseTransformAttribute((l||"")+n)),f},forObject:function(t,e){return e||(e={}),p(t,e.coords,"userSpaceOnUse"),new fabric.Gradient(e)}})}(),function(){"use strict";var n=fabric.util.toFixed;fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,crossOrigin:"",patternTransform:null,initialize:function(t,e){if(t||(t={}),this.id=fabric.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!=typeof t.source)e&&e(this);else if(void 0!==fabric.util.getFunctionBody(t.source))this.source=new Function(fabric.util.getFunctionBody(t.source)),e&&e(this);else{var i=this;this.source=fabric.util.createImage(),fabric.util.loadImage(t.source,function(t){i.source=t,e&&e(i)},null,this.crossOrigin)}},toObject:function(t){var e,i,r=fabric.Object.NUM_FRACTION_DIGITS;return"function"==typeof this.source?e=String(this.source):"string"==typeof this.source.src?e=this.source.src:"object"==typeof this.source&&this.source.toDataURL&&(e=this.source.toDataURL()),i={type:"pattern",source:e,repeat:this.repeat,crossOrigin:this.crossOrigin,offsetX:n(this.offsetX,r),offsetY:n(this.offsetY,r),patternTransform:this.patternTransform?this.patternTransform.concat():null},fabric.util.populateWithProperties(this,i,t),i},toSVG:function(t){var e="function"==typeof this.source?this.source():this.source,i=e.width/t.width,r=e.height/t.height,n=this.offsetX/t.width,s=this.offsetY/t.height,o="";return"repeat-x"!==this.repeat&&"no-repeat"!==this.repeat||(r=1),"repeat-y"!==this.repeat&&"no-repeat"!==this.repeat||(i=1),e.src?o=e.src:e.toDataURL&&(o=e.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+n+'" y="'+s+'" width="'+i+'" height="'+r+'">\n<image x="0" y="0" width="'+e.width+'" height="'+e.height+'" xlink:href="'+o+'"></image>\n</pattern>\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e="function"==typeof this.source?this.source():this.source;if(!e)return"";if(void 0!==e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var o=t.fabric||(t.fabric={}),a=o.util.toFixed;o.Shadow?o.warn("fabric.Shadow is already defined."):(o.Shadow=o.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(t){for(var e in"string"==typeof t&&(t=this._parseShadow(t)),t)this[e]=t[e];this.id=o.Object.__uid++},_parseShadow:function(t){var e=t.trim(),i=o.Shadow.reOffsetsAndBlur.exec(e)||[];return{color:(e.replace(o.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)").trim(),offsetX:parseInt(i[1],10)||0,offsetY:parseInt(i[2],10)||0,blur:parseInt(i[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var e=40,i=40,r=o.Object.NUM_FRACTION_DIGITS,n=o.util.rotateVector({x:this.offsetX,y:this.offsetY},o.util.degreesToRadians(-t.angle)),s=new o.Color(this.color);return t.width&&t.height&&(e=100*a((Math.abs(n.x)+this.blur)/t.width,r)+20,i=100*a((Math.abs(n.y)+this.blur)/t.height,r)+20),t.flipX&&(n.x*=-1),t.flipY&&(n.y*=-1),'<filter id="SVGID_'+this.id+'" y="-'+i+'%" height="'+(100+2*i)+'%" x="-'+e+'%" width="'+(100+2*e)+'%" >\n\t<feGaussianBlur in="SourceAlpha" stdDeviation="'+a(this.blur?this.blur/2:0,r)+'"></feGaussianBlur>\n\t<feOffset dx="'+a(n.x,r)+'" dy="'+a(n.y,r)+'" result="oBlur" ></feOffset>\n\t<feFlood flood-color="'+s.toRgb()+'" flood-opacity="'+s.getAlpha()+'"/>\n\t<feComposite in2="oBlur" operator="in" />\n\t<feMerge>\n\t\t<feMergeNode></feMergeNode>\n\t\t<feMergeNode in="SourceGraphic"></feMergeNode>\n\t</feMerge>\n</filter>\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke};var e={},i=o.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke"].forEach(function(t){this[t]!==i[t]&&(e[t]=this[t])},this),e}}),o.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/)}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)fabric.warn("fabric.StaticCanvas is already defined.");else{var r=fabric.util.object.extend,t=fabric.util.getElementOffset,c=fabric.util.removeFromArray,a=fabric.util.toFixed,s=fabric.util.transformPoint,o=fabric.util.invertTransform,e=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},calcOffset:function(){return this._offset=t(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(e,t,i,r){return"string"==typeof t?fabric.util.loadImage(t,function(t){t&&(this[e]=new fabric.Image(t,r)),i&&i(t)},this,r&&r.crossOrigin):(r&&t.setOptions(r),this[e]=t,i&&i(t)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(){var t=fabric.util.createCanvasElement();if(!t)throw e;if(t.style||(t.style={}),void 0===t.getContext)throw e;return t},_initOptions:function(t){this._setOptions(t),this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){t&&t.getContext?this.lowerCanvasEl=t:this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;for(var r in e=e||{},t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px",this.hasLostContext=!0),e.backstoreOnly||this._setCssDimension(r,i);return this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles(),this._initRetinaScaling(),this._setImageSmoothing(),this.calcOffset(),e.cssOnly||this.requestRenderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i,r,n=this._activeObject;for(this.viewportTransform=t,i=0,r=this._objects.length;i<r;i++)(e=this._objects[i]).group||e.setCoords(!1,!0);return n&&"activeSelection"===n.type&&n.setCoords(!1,!0),this.calcViewportBoundaries(),this.renderOnAddRemove&&this.requestRenderAll(),this},zoomToPoint:function(t,e){var i=t,r=this.viewportTransform.slice(0);t=s(t,o(this.viewportTransform)),r[0]=e,r[3]=e;var n=s(t,r);return r[4]+=i.x-n.x,r[5]+=i.y-n.y,this.setViewportTransform(r)},setZoom:function(t){return this.zoomToPoint(new fabric.Point(0,0),t),this},absolutePan:function(t){var e=this.viewportTransform.slice(0);return e[4]=-t.x,e[5]=-t.y,this.setViewportTransform(e)},relativePan:function(t){return this.absolutePan(new fabric.Point(-t.x-this.viewportTransform[4],-t.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},_onObjectAdded:function(t){this.stateful&&t.setupState(),t._set("canvas",this),t.setCoords(),this.fire("object:added",{target:t}),t.fire("added")},_onObjectRemoved:function(t){this.fire("object:removed",{target:t}),t.fire("removed"),delete t.canvas},clearContext:function(t){return t.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.backgroundImage=null,this.overlayImage=null,this.backgroundColor="",this.overlayColor="",this._hasITextHandlers&&(this.off("mouse:up",this._mouseUpITextHandler),this._iTextInstances=null,this._hasITextHandlers=!1),this.clearContext(this.contextContainer),this.fire("canvas:cleared"),this.renderOnAddRemove&&this.requestRenderAll(),this},renderAll:function(){var t=this.contextContainer;return this.renderCanvas(t,this._objects),this},renderAndReset:function(){this.isRendering=0,this.renderAll()},requestRenderAll:function(){return this.isRendering||(this.isRendering=fabric.util.requestAnimFrame(this.renderAndResetBound)),this},calcViewportBoundaries:function(){var t={},e=this.width,i=this.height,r=o(this.viewportTransform);return t.tl=s({x:0,y:0},r),t.br=s({x:e,y:i},r),t.tr=new fabric.Point(t.br.x,t.tl.y),t.bl=new fabric.Point(t.tl.x,t.br.y),this.vptCoords=t},renderCanvas:function(t,e){var i=this.viewportTransform;this.isRendering&&(fabric.util.cancelAnimFrame(this.isRendering),this.isRendering=0),this.calcViewportBoundaries(),this.clearContext(t),this.fire("before:render"),this.clipTo&&fabric.util.clipContext(this,t),this._renderBackground(t),t.save(),t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this._renderObjects(t,e),t.restore(),!this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.clipTo&&t.restore(),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render")},_renderObjects:function(t,e){var i,r;for(i=0,r=e.length;i<r;++i)e[i]&&e[i].render(t)},_renderBackgroundOrOverlay:function(t,e){var i,r=this[e+"Color"];r&&(t.fillStyle=r.toLive?r.toLive(t,this):r,t.fillRect(r.offsetX||0,r.offsetY||0,this.width,this.height)),(r=this[e+"Image"])&&(this[e+"Vpt"]&&(i=this.viewportTransform,t.save(),t.transform(i[0],i[1],i[2],i[3],i[4],i[5])),r.render(t),this[e+"Vpt"]&&t.restore())},_renderBackground:function(t){this._renderBackgroundOrOverlay(t,"background")},_renderOverlay:function(t){this._renderBackgroundOrOverlay(t,"overlay")},getCenter:function(){return{top:this.height/2,left:this.width/2}},centerObjectH:function(t){return this._centerObject(t,new fabric.Point(this.getCenter().left,t.getCenterPoint().y))},centerObjectV:function(t){return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,this.getCenter().top))},centerObject:function(t){var e=this.getCenter();return this._centerObject(t,new fabric.Point(e.left,e.top))},viewportCenterObject:function(t){var e=this.getVpCenter();return this._centerObject(t,e)},viewportCenterObjectH:function(t){var e=this.getVpCenter();return this._centerObject(t,new fabric.Point(e.x,t.getCenterPoint().y)),this},viewportCenterObjectV:function(t){var e=this.getVpCenter();return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,e.y))},getVpCenter:function(){var t=this.getCenter(),e=o(this.viewportTransform);return s({x:t.left,y:t.top},e)},_centerObject:function(t,e){return t.setPositionByOrigin(e,"center","center"),t.setCoords(),this.renderOnAddRemove&&this.requestRenderAll(),this},toDatalessJSON:function(t){return this.toDatalessObject(t)},toObject:function(t){return this._toObjectMethod("toObject",t)},toDatalessObject:function(t){return this._toObjectMethod("toDatalessObject",t)},_toObjectMethod:function(t,e){var i={version:fabric.version,objects:this._toObjects(t,e)};return r(i,this.__serializeBgOverlay(t,e)),fabric.util.populateWithProperties(this,i,e),i},_toObjects:function(e,i){return this.getObjects().filter(function(t){return!t.excludeFromExport}).map(function(t){return this._toObject(t,e,i)},this)},_toObject:function(t,e,i){var r;this.includeDefaultValues||(r=t.includeDefaultValues,t.includeDefaultValues=!1);var n=t[e](i);return this.includeDefaultValues||(t.includeDefaultValues=r),n},__serializeBgOverlay:function(t,e){var i={},r=this.backgroundImage,n=this.overlayImage;return this.backgroundColor&&(i.background=this.backgroundColor.toObject?this.backgroundColor.toObject(e):this.backgroundColor),this.overlayColor&&(i.overlay=this.overlayColor.toObject?this.overlayColor.toObject(e):this.overlayColor),r&&!r.excludeFromExport&&(i.backgroundImage=this._toObject(r,t,e)),n&&!n.excludeFromExport&&(i.overlayImage=this._toObject(n,t,e)),i},svgViewportTransformation:!0,toSVG:function(t,e){t||(t={});var i=[];return this._setSVGPreamble(i,t),this._setSVGHeader(i,t),this._setSVGBgOverlayColor(i,"backgroundColor"),this._setSVGBgOverlayImage(i,"backgroundImage",e),this._setSVGObjects(i,e),this._setSVGBgOverlayColor(i,"overlayColor"),this._setSVGBgOverlayImage(i,"overlayImage",e),i.push("</svg>"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('<?xml version="1.0" encoding="',e.encoding||"UTF-8",'" standalone="no" ?>\n','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(t,e){var i,r=e.width||this.width,n=e.height||this.height,s='viewBox="0 0 '+this.width+" "+this.height+'" ',o=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?s='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,s='viewBox="'+a(-i[4]/i[0],o)+" "+a(-i[5]/i[3],o)+" "+a(this.width/i[0],o)+" "+a(this.height/i[3],o)+'" '),t.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',r,'" ','height="',n,'" ',s,'xml:space="preserve">\n',"<desc>Created with Fabric.js ",fabric.version,"</desc>\n","<defs>\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),"</defs>\n")},createSVGRefElementsMarkup:function(){var i=this;return["backgroundColor","overlayColor"].map(function(t){var e=i[t];if(e&&e.toLive)return e.toSVG(i,!1)}).join("")},createSVGFontFacesMarkup:function(){var t,e,i,r,n,s,o,a,h="",c={},l=fabric.fontPaths,u=this.getObjects();for(o=0,a=u.length;o<a;o++)if(e=(t=u[o]).fontFamily,-1!==t.type.indexOf("text")&&!c[e]&&l[e]&&(c[e]=!0,t.styles))for(n in i=t.styles)for(s in r=i[n])!c[e=r[s].fontFamily]&&l[e]&&(c[e]=!0);for(var f in c)h+=["\t\t@font-face {\n","\t\t\tfont-family: '",f,"';\n","\t\t\tsrc: url('",l[f],"');\n","\t\t}\n"].join("");return h&&(h=['\t<style type="text/css">',"<![CDATA[\n",h,"]]>","</style>\n"].join("")),h},_setSVGObjects:function(t,e){var i,r,n,s=this.getObjects();for(r=0,n=s.length;r<n;r++)(i=s[r]).excludeFromExport||this._setSVGObject(t,i,e)},_setSVGObject:function(t,e,i){t.push(e.toSVG(i))},_setSVGBgOverlayImage:function(t,e,i){this[e]&&this[e].toSVG&&t.push(this[e].toSVG(i))},_setSVGBgOverlayColor:function(t,e){var i=this[e],r=this.viewportTransform,n=this.width/r[0],s=this.height/r[3];if(i)if(i.toLive){var o=i.repeat;t.push('<rect transform="translate(',n/2,",",s/2,')"',' x="',i.offsetX-n/2,'" y="',i.offsetY-s/2,'" ','width="',"repeat-y"===o||"no-repeat"===o?i.source.width:n,'" height="',"repeat-x"===o||"no-repeat"===o?i.source.height:s,'" fill="url(#SVGID_'+i.id+')"',"></rect>\n")}else t.push('<rect x="0" y="0" width="100%" height="100%" ','fill="',this[e],'"',"></rect>\n")},sendToBack:function(t){if(!t)return this;var e,i,r,n=this._activeObject;if(t===n&&"activeSelection"===t.type)for(e=(r=n._objects).length;e--;)i=r[e],c(this._objects,i),this._objects.unshift(i);else c(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,i,r,n=this._activeObject;if(t===n&&"activeSelection"===t.type)for(r=n._objects,e=0;e<r.length;e++)i=r[e],c(this._objects,i),this._objects.push(i);else c(this._objects,t),this._objects.push(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},sendBackwards:function(t,e){if(!t)return this;var i,r,n,s,o,a=this._activeObject,h=0;if(t===a&&"activeSelection"===t.type)for(o=a._objects,i=0;i<o.length;i++)r=o[i],0+h<(n=this._objects.indexOf(r))&&(s=n-1,c(this._objects,r),this._objects.splice(s,0,r)),h++;else 0!==(n=this._objects.indexOf(t))&&(s=this._findNewLowerIndex(t,n,e),c(this._objects,t),this._objects.splice(s,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewLowerIndex:function(t,e,i){var r,n;if(i)for(n=(r=e)-1;0<=n;--n){if(t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t)){r=n;break}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var i,r,n,s,o,a=this._activeObject,h=0;if(t===a&&"activeSelection"===t.type)for(i=(o=a._objects).length;i--;)r=o[i],(n=this._objects.indexOf(r))<this._objects.length-1-h&&(s=n+1,c(this._objects,r),this._objects.splice(s,0,r)),h++;else(n=this._objects.indexOf(t))!==this._objects.length-1&&(s=this._findNewUpperIndex(t,n,e),c(this._objects,t),this._objects.splice(s,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewUpperIndex:function(t,e,i){var r,n,s;if(i)for(n=(r=e)+1,s=this._objects.length;n<s;++n){if(t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t)){r=n;break}}else r=e+1;return r},moveTo:function(t,e){return c(this._objects,t),this._objects.splice(e,0,t),this.renderOnAddRemove&&this.requestRenderAll()},dispose:function(){return this.isRendering&&(fabric.util.cancelAnimFrame(this.isRendering),this.isRendering=0),this.forEachObject(function(t){t.dispose&&t.dispose()}),this._objects=[],this.backgroundImage=null,this.overlayImage=null,this._iTextInstances=null,this.lowerCanvasEl=null,this.contextContainer=null,this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this.getObjects().length+" }>"}}),r(fabric.StaticCanvas.prototype,fabric.Observable),r(fabric.StaticCanvas.prototype,fabric.Collection),r(fabric.StaticCanvas.prototype,fabric.DataURLExporter),r(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return void 0!==i.getImageData;case"setLineDash":return void 0!==i.setLineDash;case"toDataURL":return void 0!==e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(t){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject,fabric.isLikelyNode&&(fabric.StaticCanvas.prototype.createPNGStream=function(){var t=fabric.util.getNodeCanvas(this.lowerCanvasEl);return t&&t.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){var e=fabric.util.getNodeCanvas(this.lowerCanvasEl);return e&&e.createJPEGStream(t)})}}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.miterLimit=this.strokeMiterLimit,t.lineJoin=this.strokeLineJoin,fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray||[])},_saveAndTransform:function(t){var e=this.canvas.viewportTransform;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5])},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop,e=this.canvas.getZoom();t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*e,t.shadowOffsetX=this.shadow.offsetX*e,t.shadowOffsetY=this.shadow.offsetY*e}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(t){this.canvas=t,this._points=[]},_drawSegment:function(t,e,i){var r=e.midPointFrom(i);return t.quadraticCurveTo(e.x,e.y,r.x,r.y),r},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){if(this._captureDrawingPath(t)&&1<this._points.length)if(this.needsFullRender)this.canvas.clearContext(this.canvas.contextTop),this._render();else{var e=this._points,i=e.length,r=this.canvas.contextTop;this._saveAndTransform(r),this.oldEnd&&(r.beginPath(),r.moveTo(this.oldEnd.x,this.oldEnd.y)),this.oldEnd=this._drawSegment(r,e[i-2],e[i-1],!0),r.stroke(),r.restore()}},onMouseUp:function(){this.oldEnd=void 0,this._finalizeAndAddPath()},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){return!(1<this._points.length&&t.eq(this._points[this._points.length-1])||(this._points.push(t),0))},_reset:function(){this._points.length=0,this._setBrushStyles();var t=new fabric.Color(this.color);this.needsFullRender=t.getAlpha()<1,this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);return this._addPoint(e)},_render:function(){var t,e,i=this.canvas.contextTop,r=this._points[0],n=this._points[1];if(this._saveAndTransform(i),i.beginPath(),2===this._points.length&&r.x===n.x&&r.y===n.y){var s=this.width/1e3;r=new fabric.Point(r.x,r.y),n=new fabric.Point(n.x,n.y),r.x-=s,n.x+=s}for(i.moveTo(r.x,r.y),t=1,e=this._points.length;t<e;t++)this._drawSegment(i,r,n),r=this._points[t],n=this._points[t+1];i.lineTo(r.x,r.y),i.stroke(),i.restore()},convertPointsToSVGPath:function(t){var e,i=[],r=this.width/1e3,n=new fabric.Point(t[0].x,t[0].y),s=new fabric.Point(t[1].x,t[1].y),o=t.length,a=1,h=1,c=2<o;for(c&&(a=t[2].x<s.x?-1:t[2].x===s.x?0:1,h=t[2].y<s.y?-1:t[2].y===s.y?0:1),i.push("M ",n.x-a*r," ",n.y-h*r," "),e=1;e<o;e++){if(!n.eq(s)){var l=n.midPointFrom(s);i.push("Q ",n.x," ",n.y," ",l.x," ",l.y," ")}n=t[e],e+1<t.length&&(s=t[e+1])}return c&&(a=n.x>t[e-2].x?1:n.x===t[e-2].x?0:-1,h=n.y>t[e-2].y?1:n.y===t[e-2].y?0:-1),i.push("L ",n.x+a*r," ",n.y+h*r),i},createPath:function(t){var e=new fabric.Path(t,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeMiterLimit:this.strokeMiterLimit,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray}),i=new fabric.Point(e.left+e.width/2,e.top+e.height/2);return i=e.translateToGivenOrigin(i,"center","center",e.originX,e.originY),e.top=i.y,e.left=i.x,this.shadow&&(this.shadow.affectStroke=!0,e.setShadow(this.shadow)),e},_finalizeAndAddPath:function(){this.canvas.contextTop.closePath();var t=this.convertPointsToSVGPath(this._points).join("");if("M 0 0 Q 0 0 0 0 L 0 0"!==t){var e=this.createPath(t);this.canvas.clearContext(this.canvas.contextTop),this.canvas.add(e),this.canvas.renderAll(),e.setCoords(),this._resetShadow(),this.canvas.fire("path:created",{path:e})}else this.canvas.requestRenderAll()}}),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(t){this.canvas=t,this.points=[]},drawDot:function(t){var e=this.addPoint(t),i=this.canvas.contextTop;this._saveAndTransform(i),i.fillStyle=e.fill,i.beginPath(),i.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),i.closePath(),i.fill(),i.restore()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},_render:function(){var t,e,i,r=this.canvas.contextTop,n=this.points;for(this._saveAndTransform(r),t=0,e=n.length;t<e;t++)i=n[t],r.fillStyle=i.fill,r.beginPath(),r.arc(i.x,i.y,i.radius,0,2*Math.PI,!1),r.closePath(),r.fill();r.restore()},onMouseMove:function(t){this.drawDot(t)},onMouseUp:function(){var t,e,i=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var r=[];for(t=0,e=this.points.length;t<e;t++){var n=this.points[t],s=new fabric.Circle({radius:n.radius,left:n.x,top:n.y,originX:"center",originY:"center",fill:n.fill});this.shadow&&s.setShadow(this.shadow),r.push(s)}var o=new fabric.Group(r,{originX:"center",originY:"center"});o.canvas=this.canvas,this.canvas.add(o),this.canvas.fire("path:created",{path:o}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=i,this.canvas.requestRenderAll()},addPoint:function(t){var e=new fabric.Point(t.x,t.y),i=fabric.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,r=new fabric.Color(this.color).setAlpha(fabric.util.getRandomInt(0,100)/100).toRgba();return e.radius=i,e.fill=r,this.points.push(e),e}}),fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(t){this.canvas=t,this.sprayChunks=[]},onMouseDown:function(t){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(t),this.render(this.sprayChunkPoints)},onMouseMove:function(t){this.addSprayChunk(t),this.render(this.sprayChunkPoints)},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,r=this.sprayChunks.length;i<r;i++)for(var n=this.sprayChunks[i],s=0,o=n.length;s<o;s++){var a=new fabric.Rect({width:n[s].width,height:n[s].width,left:n[s].x+1,top:n[s].y+1,originX:"center",originY:"center",fill:this.color});e.push(a)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var h=new fabric.Group(e,{originX:"center",originY:"center"});this.shadow&&h.setShadow(this.shadow),this.canvas.add(h),this.canvas.fire("path:created",{path:h}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=t,this.canvas.requestRenderAll()},_getOptimizedRects:function(t){var e,i,r,n={};for(i=0,r=t.length;i<r;i++)n[e=t[i].left+""+t[i].top]||(n[e]=t[i]);var s=[];for(e in n)s.push(n[e]);return s},render:function(t){var e,i,r=this.canvas.contextTop;for(r.fillStyle=this.color,this._saveAndTransform(r),e=0,i=t.length;e<i;e++){var n=t[e];void 0!==n.opacity&&(r.globalAlpha=n.opacity),r.fillRect(n.x,n.y,n.width,n.width)}r.restore()},_render:function(){var t,e,i=this.canvas.contextTop;for(i.fillStyle=this.color,this._saveAndTransform(i),t=0,e=this.sprayChunks.length;t<e;t++)this.render(this.sprayChunks[t]);i.restore()},addSprayChunk:function(t){this.sprayChunkPoints=[];var e,i,r,n,s=this.width/2;for(n=0;n<this.density;n++){e=fabric.util.getRandomInt(t.x-s,t.x+s),i=fabric.util.getRandomInt(t.y-s,t.y+s),r=this.dotWidthVariance?fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var o=new fabric.Point(e,i);o.width=r,this.randomOpacity&&(o.opacity=fabric.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(o)}this.sprayChunks.push(this.sprayChunkPoints)}}),fabric.PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var t=fabric.document.createElement("canvas"),e=t.getContext("2d");return t.width=t.height=25,e.fillStyle=this.color,e.beginPath(),e.arc(10,10,10,0,2*Math.PI,!1),e.closePath(),e.fill(),t},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(){return this.canvas.contextTop.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(){this.callSuper("_setBrushStyles"),this.canvas.contextTop.strokeStyle=this.getPattern()},createPath:function(t){var e=this.callSuper("createPath",t),i=e._getLeftTopCoords().scalarAdd(e.strokeWidth/2);return e.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-i.x,offsetY:-i.y}),e}}),function(){var h=fabric.util.getPointer,o=fabric.util.degreesToRadians,d=fabric.util.radiansToDegrees,g=Math.atan2,c=Math.abs,l=fabric.StaticCanvas.supports("setLineDash");for(var t in fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this._initStatic(t,e),this._initInteractive(),this._createCacheCanvas()},uniScaleTransform:!1,uniScaleKey:"shiftKey",centeredScaling:!1,centeredRotation:!1,centeredKey:"altKey",altActionKey:"shiftKey",interactive:!0,selection:!0,selectionKey:"shiftKey",altSelectionKey:null,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,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._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEventListeners(),this._initRetinaScaling(),this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this),this.calcOffset()},_chooseObjectsToRender:function(){var t,e,i,r=this.getActiveObjects();if(0<r.length&&!this.preserveObjectStacking){e=[],i=[];for(var n=0,s=this._objects.length;n<s;n++)t=this._objects[n],-1===r.indexOf(t)?e.push(t):i.push(t);1<r.length&&(this._activeObject._objects=i),e.push.apply(e,i)}else e=this._objects;return e},renderAll:function(){!this.contextTopDirty||this._groupSelector||this.isDrawingMode||(this.clearContext(this.contextTop),this.contextTopDirty=!1),this.hasLostContext&&this.renderTopLayer(this.contextTop);var t=this.contextContainer;return this.renderCanvas(t,this._chooseObjectsToRender()),this},renderTopLayer:function(t){this.isDrawingMode&&this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._render(),this.selection&&this._groupSelector&&this._drawSelection(t)},renderTop:function(){var t=this.contextTop;return this.clearContext(t),this.renderTopLayer(t),this.fire("after:render"),this.contextTopDirty=!0,this},_resetCurrentTransform:function(){var t=this._currentTransform;t.target.set({scaleX:t.original.scaleX,scaleY:t.original.scaleY,skewX:t.original.skewX,skewY:t.original.skewY,left:t.original.left,top:t.original.top}),this._shouldCenterTransform(t.target)?("center"!==t.originX&&("right"===t.originX?t.mouseXSign=-1:t.mouseXSign=1),"center"!==t.originY&&("bottom"===t.originY?t.mouseYSign=-1:t.mouseYSign=1),t.originX="center",t.originY="center"):(t.originX=t.original.originX,t.originY=t.original.originY)},containsPoint:function(t,e,i){var r,n=i||this.getPointer(t,!0);return r=e.group&&e.group===this._activeObject&&"activeSelection"===e.group.type?this._normalizePointer(e.group,n):{x:n.x,y:n.y},e.containsPoint(r)||e._findTargetCorner(n)},_normalizePointer:function(t,e){var i=t.calcTransformMatrix(),r=fabric.util.invertTransform(i),n=this.restorePointerVpt(e);return fabric.util.transformPoint(n,r)},isTargetTransparent:function(t,e,i){if(t.shouldCache()&&t._cacheCanvas){var r=this._normalizePointer(t,{x:e,y:i}),n=t.cacheTranslationX+r.x*t.zoomX,s=t.cacheTranslationY+r.y*t.zoomY;return fabric.util.isTransparent(t._cacheContext,n,s,this.targetFindTolerance)}var o=this.contextCache,a=t.selectionBackgroundColor,h=this.viewportTransform;return t.selectionBackgroundColor="",this.clearContext(o),o.save(),o.transform(h[0],h[1],h[2],h[3],h[4],h[5]),t.render(o),o.restore(),t===this._activeObject&&t._renderControls(o,{hasBorders:!1,transparentCorners:!1},{hasBorders:!1}),t.selectionBackgroundColor=a,fabric.util.isTransparent(o,e,i,this.targetFindTolerance)},_isSelectionKeyPressed:function(e){return"[object Array]"===Object.prototype.toString.call(this.selectionKey)?!!this.selectionKey.find(function(t){return!0===e[t]}):e[this.selectionKey]},_shouldClearSelection:function(t,e){var i=this.getActiveObjects(),r=this._activeObject;return!e||e&&r&&1<i.length&&-1===i.indexOf(e)&&r!==e&&!this._isSelectionKeyPressed(t)||e&&!e.evented||e&&!e.selectable&&r&&r!==e},_shouldCenterTransform:function(t){if(t){var e,i=this._currentTransform;return"scale"===i.action||"scaleX"===i.action||"scaleY"===i.action?e=this.centeredScaling||t.centeredScaling:"rotate"===i.action&&(e=this.centeredRotation||t.centeredRotation),e?!i.altKey:i.altKey}},_getOriginFromCorner:function(t,e){var i={x:t.originX,y:t.originY};return"ml"===e||"tl"===e||"bl"===e?i.x="right":"mr"!==e&&"tr"!==e&&"br"!==e||(i.x="left"),"tl"===e||"mt"===e||"tr"===e?i.y="bottom":"bl"!==e&&"mb"!==e&&"br"!==e||(i.y="top"),i},_getActionFromCorner:function(t,e,i){if(!e)return"drag";switch(e){case"mtr":return"rotate";case"ml":case"mr":return i[this.altActionKey]?"skewY":"scaleX";case"mt":case"mb":return i[this.altActionKey]?"skewX":"scaleY";default:return"scale"}},_setupCurrentTransform:function(t,e){if(e){var i=this.getPointer(t),r=e._findTargetCorner(this.getPointer(t,!0)),n=this._getActionFromCorner(e,r,t),s=this._getOriginFromCorner(e,r);this._currentTransform={target:e,action:n,corner:r,scaleX:e.scaleX,scaleY:e.scaleY,skewX:e.skewX,skewY:e.skewY,offsetX:i.x-e.left,offsetY:i.y-e.top,originX:s.x,originY:s.y,ex:i.x,ey:i.y,lastX:i.x,lastY:i.y,theta:o(e.angle),width:e.width*e.scaleX,mouseXSign:1,mouseYSign:1,shiftKey:t.shiftKey,altKey:t[this.centeredKey]},this._currentTransform.original={left:e.left,top:e.top,scaleX:e.scaleX,scaleY:e.scaleY,skewX:e.skewX,skewY:e.skewY,originX:s.x,originY:s.y},this._resetCurrentTransform(),this._beforeTransform(t)}},_translateObject:function(t,e){var i=this._currentTransform,r=i.target,n=t-i.offsetX,s=e-i.offsetY,o=!r.get("lockMovementX")&&r.left!==n,a=!r.get("lockMovementY")&&r.top!==s;return o&&r.set("left",n),a&&r.set("top",s),o||a},_changeSkewTransformOrigin:function(t,e,i){var r="originX",n={0:"center"},s=e.target.skewX,o="left",a="right",h="mt"===e.corner||"ml"===e.corner?1:-1,c=1;t=0<t?1:-1,"y"===i&&(s=e.target.skewY,o="top",a="bottom",r="originY"),n[-1]=o,n[1]=a,e.target.flipX&&(c*=-1),e.target.flipY&&(c*=-1),0===s?(e.skewSign=-h*t*c,e[r]=n[-t]):(s=0<s?1:-1,e.skewSign=s,e[r]=n[s*h*c])},_skewObject:function(t,e,i){var r,n=this._currentTransform,s=n.target,o=s.get("lockSkewingX"),a=s.get("lockSkewingY");if(o&&"x"===i||a&&"y"===i)return!1;var h,c,l=s.getCenterPoint(),u=s.toLocalPoint(new fabric.Point(t,e),"center","center")[i],f=s.toLocalPoint(new fabric.Point(n.lastX,n.lastY),"center","center")[i],d=s._getTransformedDimensions();return this._changeSkewTransformOrigin(u-f,n,i),h=s.toLocalPoint(new fabric.Point(t,e),n.originX,n.originY)[i],c=s.translateToOriginPoint(l,n.originX,n.originY),r=this._setObjectSkew(h,n,i,d),n.lastX=t,n.lastY=e,s.setPositionByOrigin(c,n.originX,n.originY),r},_setObjectSkew:function(t,e,i,r){var n,s,o,a,h,c,l,u,f,d,g=e.target,p=e.skewSign;return"x"===i?(h="y",c="Y",l="X",f=0,d=g.skewY):(h="x",c="X",l="Y",f=g.skewX,d=0),a=g._getTransformedDimensions(f,d),(u=2*Math.abs(t)-a[i])<=2?n=0:(n=p*Math.atan(u/g["scale"+l]/(a[h]/g["scale"+c])),n=fabric.util.radiansToDegrees(n)),s=g["skew"+l]!==n,g.set("skew"+l,n),0!==g["skew"+c]&&(o=g._getTransformedDimensions(),n=r[h]/o[h]*g["scale"+c],g.set("scale"+c,n)),s},_scaleObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=n.lockScalingX,o=n.lockScalingY,a=n.lockScalingFlip;if(s&&o)return!1;var h,c=n.translateToOriginPoint(n.getCenterPoint(),r.originX,r.originY),l=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY),u=n._getTransformedDimensions();return this._setLocalMouse(l,r),h=this._setObjectScale(l,r,s,o,i,a,u),n.setPositionByOrigin(c,r.originX,r.originY),h},_setObjectScale:function(t,e,i,r,n,s,o){var a,h,c,l,u=e.target,f=!1,d=!1,g=!1;return c=t.x*u.scaleX/o.x,l=t.y*u.scaleY/o.y,a=u.scaleX!==c,h=u.scaleY!==l,s&&c<=0&&c<u.scaleX&&(f=!0,t.x=0),s&&l<=0&&l<u.scaleY&&(d=!0,t.y=0),"equally"!==n||i||r?n?"x"!==n||u.get("lockUniScaling")?"y"!==n||u.get("lockUniScaling")||d||r||u.set("scaleY",l)&&(g=g||h):f||i||u.set("scaleX",c)&&(g=g||a):(f||i||u.set("scaleX",c)&&(g=g||a),d||r||u.set("scaleY",l)&&(g=g||h)):g=this._scaleObjectEqually(t,u,e,o),e.newScaleX=c,e.newScaleY=l,f||d||this._flipObject(e,n),g},_scaleObjectEqually:function(t,e,i,r){var n,s=t.y+t.x,o=r.y*i.original.scaleY/e.scaleY+r.x*i.original.scaleX/e.scaleX,a=t.x<0?-1:1,h=t.y<0?-1:1;return i.newScaleX=a*Math.abs(i.original.scaleX*s/o),i.newScaleY=h*Math.abs(i.original.scaleY*s/o),n=i.newScaleX!==e.scaleX||i.newScaleY!==e.scaleY,e.set("scaleX",i.newScaleX),e.set("scaleY",i.newScaleY),n},_flipObject:function(t,e){t.newScaleX<0&&"y"!==e&&("left"===t.originX?t.originX="right":"right"===t.originX&&(t.originX="left")),t.newScaleY<0&&"x"!==e&&("top"===t.originY?t.originY="bottom":"bottom"===t.originY&&(t.originY="top"))},_setLocalMouse:function(t,e){var i=e.target,r=this.getZoom(),n=i.padding/r;"right"===e.originX?t.x*=-1:"center"===e.originX&&(t.x*=2*e.mouseXSign,t.x<0&&(e.mouseXSign=-e.mouseXSign)),"bottom"===e.originY?t.y*=-1:"center"===e.originY&&(t.y*=2*e.mouseYSign,t.y<0&&(e.mouseYSign=-e.mouseYSign)),c(t.x)>n?t.x<0?t.x+=n:t.x-=n:t.x=0,c(t.y)>n?t.y<0?t.y+=n:t.y-=n:t.y=0},_rotateObject:function(t,e){var i=this._currentTransform,r=i.target,n=r.translateToOriginPoint(r.getCenterPoint(),i.originX,i.originY);if(r.lockRotation)return!1;var s=g(i.ey-n.y,i.ex-n.x),o=g(e-n.y,t-n.x),a=d(o-s+i.theta),h=!0;if(0<r.snapAngle){var c=r.snapAngle,l=r.snapThreshold||c,u=Math.ceil(a/c)*c,f=Math.floor(a/c)*c;Math.abs(a-f)<l?a=f:Math.abs(a-u)<l&&(a=u)}return a<0&&(a=360+a),a%=360,r.angle===a?h=!1:(r.angle=a,r.setPositionByOrigin(n,i.originX,i.originY)),h},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.rotate(0)},_drawSelection:function(t){var e=this._groupSelector,i=e.left,r=e.top,n=c(i),s=c(r);if(this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(e.ex-(0<i?0:-i),e.ey-(0<r?0:-r),n,s)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,1<this.selectionDashArray.length&&!l){var o=e.ex+.5-(0<i?0:n),a=e.ey+.5-(0<r?0:s);t.beginPath(),fabric.util.drawDashedLine(t,o,a,o+n,a,this.selectionDashArray),fabric.util.drawDashedLine(t,o,a+s-1,o+n,a+s-1,this.selectionDashArray),fabric.util.drawDashedLine(t,o,a,o,a+s,this.selectionDashArray),fabric.util.drawDashedLine(t,o+n-1,a,o+n-1,a+s,this.selectionDashArray),t.closePath(),t.stroke()}else fabric.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+.5-(0<i?0:n),e.ey+.5-(0<r?0:s),n,s)},findTarget:function(t,e){if(!this.skipTargetFind){var i,r,n=this.getPointer(t,!0),s=this._activeObject,o=this.getActiveObjects();if(this.targets=[],1<o.length&&!e&&s===this._searchPossibleTargets([s],n))return s;if(1===o.length&&s._findTargetCorner(n))return s;if(1===o.length&&s===this._searchPossibleTargets([s],n)){if(!this.preserveObjectStacking)return s;i=s,r=this.targets,this.targets=[]}var a=this._searchPossibleTargets(this._objects,n);return t[this.altSelectionKey]&&a&&i&&a!==i&&(a=i,this.targets=r),a}},_checkTarget:function(t,e){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;if(!this.isTargetTransparent(e,t.x,t.y))return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n,s=t.length;s--;)if(this._checkTarget(e,t[s])){(i=t[s]).subTargetCheck&&i instanceof fabric.Group&&(r=this._normalizePointer(i,e),(n=this._searchPossibleTargets(i._objects,r))&&this.targets.push(n));break}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(t,e){if(this._absolutePointer&&!e)return this._absolutePointer;if(this._pointer&&e)return this._pointer;var i,r=h(t),n=this.upperCanvasEl,s=n.getBoundingClientRect(),o=s.width||0,a=s.height||0;return o&&a||("top"in s&&"bottom"in s&&(a=Math.abs(s.top-s.bottom)),"right"in s&&"left"in s&&(o=Math.abs(s.right-s.left))),this.calcOffset(),r.x=r.x-this._offset.left,r.y=r.y-this._offset.top,e||(r=this.restorePointerVpt(r)),i=0===o||0===a?{width:1,height:1}:{width:n.width/o,height:n.height/a},{x:r.x*i.width,y:r.y*i.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl?this.upperCanvasEl.className="":this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+t),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.width+"px",height:this.height+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.width||t.width,i=this.height||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":this.allowTouchScrolling?"manipulation":"none"}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},getActiveObject:function(){return this._activeObject},getActiveObjects:function(){var t=this._activeObject;return t?"activeSelection"===t.type&&t._objects?t._objects.slice(0):[t]:[]},_onObjectRemoved:function(t){t===this._activeObject&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),this._hoveredTarget===t&&(this._hoveredTarget=null),this.callSuper("_onObjectRemoved",t)},_fireSelectionEvents:function(e,t){var i=!1,r=this.getActiveObjects(),n=[],s=[],o={e:t};e.forEach(function(t){-1===r.indexOf(t)&&(i=!0,t.fire("deselected",o),s.push(t))}),r.forEach(function(t){-1===e.indexOf(t)&&(i=!0,t.fire("selected",o),n.push(t))}),0<e.length&&0<r.length?(o.selected=n,o.deselected=s,o.updated=n[0]||s[0],o.target=this._activeObject,i&&this.fire("selection:updated",o)):0<r.length?(1===r.length&&(o.target=n[0],this.fire("object:selected",o)),o.selected=n,o.target=this._activeObject,this.fire("selection:created",o)):0<e.length&&(o.deselected=s,this.fire("selection:cleared",o))},setActiveObject:function(t,e){var i=this.getActiveObjects();return this._setActiveObject(t,e),this._fireSelectionEvents(i,e),this},_setActiveObject:function(t,e){return this._activeObject!==t&&(!!this._discardActiveObject(e,t)&&(!t.onSelect({e:e})&&(this._activeObject=t,!0)))},_discardActiveObject:function(t,e){var i=this._activeObject;if(i){if(i.onDeselect({e:t,object:e}))return!1;this._activeObject=null}return!0},discardActiveObject:function(t){var e=this.getActiveObjects();return e.length&&this.fire("before:selection:cleared",{target:e[0],e:t}),this._discardActiveObject(t),this._fireSelectionEvents(e,t),this},dispose:function(){var t=this.wrapperEl;return this.removeListeners(),t.removeChild(this.upperCanvasEl),t.removeChild(this.lowerCanvasEl),this.upperCanvasEl=null,this.cacheCanvasEl=null,this.contextCache=null,this.contextTop=null,t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,fabric.StaticCanvas.prototype.dispose.call(this),this},clear:function(){return this.discardActiveObject(),this.clearContext(this.contextTop),this.callSuper("clear")},drawControls:function(t){var e=this._activeObject;e&&e._renderControls(t)},_toObject:function(t,e,i){var r=this._realizeGroupTransformOnObject(t),n=this.callSuper("_toObject",t,e,i);return this._unwindGroupTransformOnObject(t,r),n},_realizeGroupTransformOnObject:function(e){if(e.group&&"activeSelection"===e.group.type&&this._activeObject===e.group){var i={};return["angle","flipX","flipY","left","scaleX","scaleY","skewX","skewY","top"].forEach(function(t){i[t]=e[t]}),this._activeObject.realizeTransform(e),i}return null},_unwindGroupTransformOnObject:function(t,e){e&&t.set(e)},_setSVGObject:function(t,e,i){var r=this._realizeGroupTransformOnObject(e);this.callSuper("_setSVGObject",t,e,i),this._unwindGroupTransformOnObject(e,r)}}),fabric.StaticCanvas)"prototype"!==t&&(fabric.Canvas[t]=fabric.StaticCanvas[t]);fabric.isTouchSupported&&(fabric.Canvas.prototype._setCursorFromEvent=function(){})}(),function(){var n={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},i=fabric.util.addListener,r=fabric.util.removeListener,s={passive:!1};function o(t,e){return"which"in t?t.which===e:t.button===e-1}fabric.util.object.extend(fabric.Canvas.prototype,{cursorMap:["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],_initEventListeners:function(){this.removeListeners(),this._bindEvents(),this.addOrRemove(i,"add")},addOrRemove:function(t,e){t(fabric.window,"resize",this._onResize),t(this.upperCanvasEl,"mousedown",this._onMouseDown),t(this.upperCanvasEl,"mousemove",this._onMouseMove,s),t(this.upperCanvasEl,"mouseout",this._onMouseOut),t(this.upperCanvasEl,"mouseenter",this._onMouseEnter),t(this.upperCanvasEl,"wheel",this._onMouseWheel),t(this.upperCanvasEl,"contextmenu",this._onContextMenu),t(this.upperCanvasEl,"dblclick",this._onDoubleClick),t(this.upperCanvasEl,"touchstart",this._onMouseDown,s),t(this.upperCanvasEl,"touchmove",this._onMouseMove,s),t(this.upperCanvasEl,"dragover",this._onDragOver),t(this.upperCanvasEl,"dragenter",this._onDragEnter),t(this.upperCanvasEl,"dragleave",this._onDragLeave),t(this.upperCanvasEl,"drop",this._onDrop),"undefined"!=typeof eventjs&&e in eventjs&&(eventjs[e](this.upperCanvasEl,"gesture",this._onGesture),eventjs[e](this.upperCanvasEl,"drag",this._onDrag),eventjs[e](this.upperCanvasEl,"orientation",this._onOrientationChange),eventjs[e](this.upperCanvasEl,"shake",this._onShake),eventjs[e](this.upperCanvasEl,"longpress",this._onLongPress))},removeListeners:function(){this.addOrRemove(r,"remove"),r(fabric.document,"mouseup",this._onMouseUp),r(fabric.document,"touchend",this._onMouseUp,s),r(fabric.document,"mousemove",this._onMouseMove,s),r(fabric.document,"touchmove",this._onMouseMove,s)},_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(t,e){this.__onTransformGesture&&this.__onTransformGesture(t,e)},_onDrag:function(t,e){this.__onDrag&&this.__onDrag(t,e)},_onMouseWheel:function(t){this.__onMouseWheel(t)},_onMouseOut:function(t){var e=this._hoveredTarget;this.fire("mouse:out",{target:e,e:t}),this._hoveredTarget=null,e&&e.fire("mouseout",{e:t}),this._iTextInstances&&this._iTextInstances.forEach(function(t){t.isEditing&&t.hiddenTextarea.focus()})},_onMouseEnter:function(t){this.findTarget(t)||(this.fire("mouse:over",{target:null,e:t}),this._hoveredTarget=null)},_onOrientationChange:function(t,e){this.__onOrientationChange&&this.__onOrientationChange(t,e)},_onShake:function(t,e){this.__onShake&&this.__onShake(t,e)},_onLongPress:function(t,e){this.__onLongPress&&this.__onLongPress(t,e)},_onDragOver:function(t){t.preventDefault();var e=this._simpleEventHandler("dragover",t);this._fireEnterLeaveEvents(e,t)},_onContextMenu:function(t){return this.stopContextMenu&&(t.stopPropagation(),t.preventDefault()),!1},_onDoubleClick:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"dblclick"),this._resetTransformEventData(t)},_onMouseDown:function(t){this.__onMouseDown(t),this._resetTransformEventData(),i(fabric.document,"touchend",this._onMouseUp,s),i(fabric.document,"touchmove",this._onMouseMove,s),r(this.upperCanvasEl,"mousemove",this._onMouseMove,s),r(this.upperCanvasEl,"touchmove",this._onMouseMove,s),"touchstart"===t.type?r(this.upperCanvasEl,"mousedown",this._onMouseDown):(i(fabric.document,"mouseup",this._onMouseUp),i(fabric.document,"mousemove",this._onMouseMove,s))},_onMouseUp:function(t){if(this.__onMouseUp(t),this._resetTransformEventData(),r(fabric.document,"mouseup",this._onMouseUp),r(fabric.document,"touchend",this._onMouseUp,s),r(fabric.document,"mousemove",this._onMouseMove,s),r(fabric.document,"touchmove",this._onMouseMove,s),i(this.upperCanvasEl,"mousemove",this._onMouseMove,s),i(this.upperCanvasEl,"touchmove",this._onMouseMove,s),"touchend"===t.type){var e=this;setTimeout(function(){i(e.upperCanvasEl,"mousedown",e._onMouseDown)},400)}},_onMouseMove:function(t){!this.allowTouchScrolling&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)},_onResize:function(){this.calcOffset()},_shouldRender:function(t,e){var i=this._activeObject;return(!i||!i.isEditing||t!==i)&&!!(t&&(t.isMoving||t!==i)||!t&&i||!t&&!i&&!this._groupSelector||e&&this._previousPointer&&this.selection&&(e.x!==this._previousPointer.x||e.y!==this._previousPointer.y))},__onMouseUp:function(t){var e,i=this._currentTransform,r=this._groupSelector,n=!r||0===r.left&&0===r.top;if(this._cacheTransformEventData(t),e=this._target,this._handleEvent(t,"up:before"),o(t,3))this.fireRightClick&&this._handleEvent(t,"up",3,n);else{if(o(t,2))return this.fireMiddleClick&&this._handleEvent(t,"up",2,n),void this._resetTransformEventData();if(this.isDrawingMode&&this._isCurrentlyDrawing)this._onMouseUpInDrawingMode(t);else{i&&this._finalizeCurrentTransform(t);var s=this._shouldRender(e,this._absolutePointer);!e&&n||this._maybeGroupObjects(t),e&&(e.isMoving=!1),this._setCursorFromEvent(t,e),this._handleEvent(t,"up",1,n),this._groupSelector=null,this._currentTransform=null,e&&(e.__corner=0),s&&this.requestRenderAll()}}},_simpleEventHandler:function(t,e){var i=this.findTarget(e),r=this.targets,n={e:e,target:i,subTargets:r};if(this.fire(t,n),i&&i.fire(t,n),!r)return i;for(var s=0;s<r.length;s++)r[s].fire(t,n);return i},_handleEvent:function(t,e,i,r){var n=this._target,s=this.targets||[],o={e:t,target:n,subTargets:s,button:i||1,isClick:r||!1,pointer:this._pointer,absolutePointer:this._absolutePointer,transform:this._currentTransform};this.fire("mouse:"+e,o),n&&n.fire("mouse"+e,o);for(var a=0;a<s.length;a++)s[a].fire("mouse"+e,o)},_finalizeCurrentTransform:function(t){var e,i=this._currentTransform,r=i.target,n={e:t,target:r,transform:i};r._scaling&&(r._scaling=!1),r.setCoords(),(i.actionPerformed||this.stateful&&r.hasStateChanged())&&(i.actionPerformed&&(e=this._addEventOptions(n,i),this._fire(e,n)),this._fire("modified",n))},_addEventOptions:function(t,e){var i,r;switch(e.action){case"scaleX":i="scaled",r="x";break;case"scaleY":i="scaled",r="y";break;case"skewX":i="skewed",r="x";break;case"skewY":i="skewed",r="y";break;case"scale":i="scaled",r="equally";break;case"rotate":i="rotated";break;case"drag":i="moved"}return t.by=r,i},_onMouseDownInDrawingMode:function(t){this._isCurrentlyDrawing=!0,this.getActiveObject()&&this.discardActiveObject(t).requestRenderAll(),this.clipTo&&fabric.util.clipContext(this,this.contextTop);var e=this.getPointer(t);this.freeDrawingBrush.onMouseDown(e),this._handleEvent(t,"down")},_onMouseMoveInDrawingMode:function(t){if(this._isCurrentlyDrawing){var e=this.getPointer(t);this.freeDrawingBrush.onMouseMove(e)}this.setCursor(this.freeDrawingCursor),this._handleEvent(t,"move")},_onMouseUpInDrawingMode:function(t){this._isCurrentlyDrawing=!1,this.clipTo&&this.contextTop.restore(),this.freeDrawingBrush.onMouseUp(),this._handleEvent(t,"up")},__onMouseDown:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"down:before");var e=this._target;if(o(t,3))this.fireRightClick&&this._handleEvent(t,"down",3);else if(o(t,2))this.fireMiddleClick&&this._handleEvent(t,"down",2);else if(this.isDrawingMode)this._onMouseDownInDrawingMode(t);else if(!this._currentTransform){var i=this._pointer;this._previousPointer=i;var r=this._shouldRender(e,i),n=this._shouldGroup(t,e);this._shouldClearSelection(t,e)?this.discardActiveObject(t):n&&(this._handleGrouping(t,e),e=this._activeObject),!this.selection||e&&(e.selectable||e.isEditing||e===this._activeObject)||(this._groupSelector={ex:i.x,ey:i.y,top:0,left:0}),e&&(e.selectable&&this.setActiveObject(e,t),e!==this._activeObject||!e.__corner&&n||this._setupCurrentTransform(t,e)),this._handleEvent(t,"down"),r&&this.requestRenderAll()}},_resetTransformEventData:function(){this._target=null,this._pointer=null,this._absolutePointer=null},_cacheTransformEventData:function(t){this._resetTransformEventData(),this._pointer=this.getPointer(t,!0),this._absolutePointer=this.restorePointerVpt(this._pointer),this._target=this._currentTransform?this._currentTransform.target:this.findTarget(t)||null},_beforeTransform:function(t){var e=this._currentTransform;this.stateful&&e.target.saveState(),this.fire("before:transform",{e:t,transform:e}),e.corner&&this.onBeforeScaleRotate(e.target)},__onMouseMove:function(t){var e,i;if(this._handleEvent(t,"move:before"),this._cacheTransformEventData(t),this.isDrawingMode)this._onMouseMoveInDrawingMode(t);else if(!(void 0!==t.touches&&1<t.touches.length)){var r=this._groupSelector;r?(i=this._pointer,r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t)||null,this._setCursorFromEvent(t,e),this._fireOverOutEvents(e,t)),this._handleEvent(t,"move"),this._resetTransformEventData()}},_fireOverOutEvents:function(t,e){this.fireSynteticInOutEvents(t,e,{targetName:"_hoveredTarget",canvasEvtOut:"mouse:out",evtOut:"mouseout",canvasEvtIn:"mouse:over",evtIn:"mouseover"})},_fireEnterLeaveEvents:function(t,e){this.fireSynteticInOutEvents(t,e,{targetName:"_draggedoverTarget",evtOut:"dragleave",evtIn:"dragenter"})},fireSynteticInOutEvents:function(t,e,i){var r,n,s,o=this[i.targetName],a=o!==t,h=i.canvasEvtIn,c=i.canvasEvtOut;a&&(r={e:e,target:t,previousTarget:o},n={e:e,target:o,nextTarget:t},this[i.targetName]=t),s=t&&a,o&&a&&(c&&this.fire(c,n),o.fire(i.evtOut,n)),s&&(h&&this.fire(h,r),t.fire(i.evtIn,r))},__onMouseWheel:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"wheel"),this._resetTransformEventData()},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),i.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.action,o=!1,a={target:e.target,e:t,transform:e,pointer:i};"rotate"===s?(o=this._rotateObject(r,n))&&this._fire("rotating",a):"scale"===s?(o=this._onScale(t,e,r,n))&&this._fire("scaling",a):"scaleX"===s?(o=this._scaleObject(r,n,"x"))&&this._fire("scaling",a):"scaleY"===s?(o=this._scaleObject(r,n,"y"))&&this._fire("scaling",a):"skewX"===s?(o=this._skewObject(r,n,"x"))&&this._fire("skewing",a):"skewY"===s?(o=this._skewObject(r,n,"y"))&&this._fire("skewing",a):(o=this._translateObject(r,n))&&(this._fire("moving",a),this.setCursor(a.target.moveCursor||this.moveCursor)),e.actionPerformed=e.actionPerformed||o},_fire:function(t,e){this.fire("object:"+t,e),e.target.fire(t,e)},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,i,r){return this._isUniscalePossible(t,e.target)?(e.currentAction="scale",this._scaleObject(i,r)):(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(i,r,"equally"))},_isUniscalePossible:function(t,e){return(t[this.uniScaleKey]||this.uniScaleTransform)&&!e.get("lockUniScaling")},_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor,r=this._activeObject&&"activeSelection"===this._activeObject.type?this._activeObject:null,n=(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));n?this.setCursor(this.getCornerCursor(n,e,t)):this.setCursor(i)},getCornerCursor:function(t,e,i){return this.actionIsDisabled(t,e,i)?this.notAllowedCursor:t in n?this._getRotatedCornerCursor(t,e,i):"mtr"===t&&e.hasRotatingPoint?this.rotationCursor:this.defaultCursor},actionIsDisabled:function(t,e,i){return"mt"===t||"mb"===t?i[this.altActionKey]?e.lockSkewingX:e.lockScalingY:"ml"===t||"mr"===t?i[this.altActionKey]?e.lockSkewingY:e.lockScalingX:"mtr"===t?e.lockRotation:this._isUniscalePossible(i,e)?e.lockScalingX&&e.lockScalingY:e.lockScalingX||e.lockScalingY},_getRotatedCornerCursor:function(t,e,i){var r=Math.round(e.angle%360/45);return r<0&&(r+=8),r+=n[t],i[this.altActionKey]&&n[t]%2==0&&(r+=2),r%=8,this.cursorMap[r]}})}(),function(){var u=Math.min,f=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this._activeObject;return i&&this._isSelectionKeyPressed(t)&&e&&e.selectable&&this.selection&&(i!==e||"activeSelection"===i.type)},_handleGrouping:function(t,e){var i=this._activeObject;i.__corner||(e!==i||(e=this.findTarget(t,!0)))&&(i&&"activeSelection"===i.type?this._updateActiveSelection(e,t):this._createActiveSelection(e,t))},_updateActiveSelection:function(t,e){var i=this._activeObject,r=i._objects.slice(0);i.contains(t)?(i.removeWithUpdate(t),this._hoveredTarget=t,1===i.size()&&this._setActiveObject(i.item(0),e)):(i.addWithUpdate(t),this._hoveredTarget=i),this._fireSelectionEvents(r,e)},_createActiveSelection:function(t,e){var i=this.getActiveObjects(),r=this._createGroup(t);this._hoveredTarget=r,this._setActiveObject(r,e),this._fireSelectionEvents(i,e)},_createGroup:function(t){var e=this.getObjects(),i=e.indexOf(this._activeObject)<e.indexOf(t)?[this._activeObject,t]:[t,this._activeObject];return this._activeObject.isEditing&&this._activeObject.exitEditing(),new fabric.ActiveSelection(i,{canvas:this})},_groupSelectedObjects:function(t){var e,i=this._collectObjects();1===i.length?this.setActiveObject(i[0],t):1<i.length&&(e=new fabric.ActiveSelection(i.reverse(),{canvas:this}),this.setActiveObject(e,t))},_collectObjects:function(){for(var t,e=[],i=this._groupSelector.ex,r=this._groupSelector.ey,n=i+this._groupSelector.left,s=r+this._groupSelector.top,o=new fabric.Point(u(i,n),u(r,s)),a=new fabric.Point(f(i,n),f(r,s)),h=!this.selectionFullyContained,c=i===n&&r===s,l=this._objects.length;l--&&!((t=this._objects[l])&&t.selectable&&t.visible&&(h&&t.intersectsWithRect(o,a)||t.isContainedWithinRect(o,a)||h&&t.containsPoint(o)||h&&t.containsPoint(a))&&(e.push(t),c)););return e},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t),this.setCursor(this.defaultCursor),this._groupSelector=null}})}(),function(){var r=fabric.StaticCanvas.supports("toDataURLWithQuality");fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=(t.multiplier||1)*(t.enableRetinaScaling?1:1/this.getRetinaScaling()),n={left:t.left||0,top:t.top||0,width:t.width||0,height:t.height||0};return this.__toDataURLWithMultiplier(e,i,n,r)},__toDataURLWithMultiplier:function(t,e,i,r){var n=this.width,s=this.height,o=(i.width||this.width)*r,a=(i.height||this.height)*r,h=this.getZoom()*r,c=this.viewportTransform,l=[h,0,0,h,(c[4]-i.left)*r,(c[5]-i.top)*r],u=this.interactive,f=this.skipOffscreen,d=n!==o||s!==a;this.viewportTransform=l,this.skipOffscreen=!1,this.interactive=!1,d&&this.setDimensions({width:o,height:a},{backstoreOnly:!0}),this.renderAll();var g=this.__toDataURL(t,e,i);return this.interactive=u,this.skipOffscreen=f,this.viewportTransform=c,d&&this.setDimensions({width:n,height:s},{backstoreOnly:!0}),this.renderAll(),g},__toDataURL:function(t,e){var i=this.contextContainer.canvas;return"jpg"===t&&(t="jpeg"),r?i.toDataURL("image/"+t,e):i.toDataURL("image/"+t)}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,i){return this.loadFromJSON(t,e,i)},loadFromJSON:function(t,e,i){if(t){var r="string"==typeof t?JSON.parse(t):fabric.util.object.clone(t),n=this,s=this.renderOnAddRemove;return this.renderOnAddRemove=!1,this._enlivenObjects(r.objects,function(t){n.clear(),n._setBgOverlay(r,function(){t.forEach(function(t,e){n.insertAt(t,e)}),n.renderOnAddRemove=s,delete r.objects,delete r.backgroundImage,delete r.overlayImage,delete r.background,delete r.overlay,n._setOptions(r),n.renderAll(),e&&e()})},i),this}},_setBgOverlay:function(t,e){var i={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(t.backgroundImage||t.overlayImage||t.background||t.overlay){var r=function(){i.backgroundImage&&i.overlayImage&&i.backgroundColor&&i.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,i,r),this.__setBgOverlay("overlayImage",t.overlayImage,i,r),this.__setBgOverlay("backgroundColor",t.background,i,r),this.__setBgOverlay("overlayColor",t.overlay,i,r)}else e&&e()},__setBgOverlay:function(e,t,i,r){var n=this;if(!t)return i[e]=!0,void(r&&r());"backgroundImage"===e||"overlayImage"===e?fabric.util.enlivenObjects([t],function(t){n[e]=t[0],i[e]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(e,!0)](t,function(){i[e]=!0,r&&r()})},_enlivenObjects:function(t,e,i){t&&0!==t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},null,i):e&&e([])},_toDataURL:function(e,i){this.clone(function(t){i(t.toDataURL(e))})},_toDataURLWithMultiplier:function(e,i,r){this.clone(function(t){r(t.toDataURLWithMultiplier(e,i))})},clone:function(e,t){var i=JSON.stringify(this.toJSON(t));this.cloneWithoutData(function(t){t.loadFromJSON(i,function(){e&&e(t)})})},cloneWithoutData:function(t){var e=fabric.document.createElement("canvas");e.width=this.width,e.height=this.height;var i=new fabric.Canvas(e);i.clipTo=this.clipTo,this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var y=t.fabric||(t.fabric={}),e=y.util.object.extend,o=y.util.object.clone,r=y.util.toFixed,i=y.util.string.capitalize,a=y.util.degreesToRadians,n=y.StaticCanvas.supports("setLineDash"),s=!y.isLikelyNode;y.Object||(y.Object=y.util.createClass(y.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit: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:s,statefullCache:!1,noScaleCache:!0,dirty:!0,__corner:0,paintFirst:"fill",stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY fillRule paintFirst".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height paintFirst strokeLineCap strokeLineJoin strokeMiterLimit backgroundColor".split(" "),initialize:function(t){t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=y.document.createElement("canvas"),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas(),this.dirty=!0},_limitCacheSize:function(t){var e=y.perfLimitSizeTotal,i=t.width,r=t.height,n=y.maxCacheSideLimit,s=y.minCacheSideLimit;if(i<=n&&r<=n&&i*r<=e)return i<s&&(t.width=s),r<s&&(t.height=s),t;var o=i/r,a=y.util.limitDimsByArea(o,e),h=y.util.capValue,c=h(s,a.x,n),l=h(s,a.y,n);return c<i&&(t.zoomX/=i/c,t.width=c,t.capped=!0),l<r&&(t.zoomY/=r/l,t.height=l,t.capped=!0),t},_getCacheCanvasDimensions:function(){var t=this.canvas&&this.canvas.getZoom()||1,e=this.getObjectScaling(),i=this.canvas&&this.canvas._isRetinaScaling()?y.devicePixelRatio:1,r=this._getNonTransformedDimensions(),n=e.scaleX*t*i,s=e.scaleY*t*i;return{width:r.x*n+2,height:r.y*s+2,zoomX:n,zoomY:s,x:r.x,y:r.y}},_updateCacheCanvas:function(){if(this.noScaleCache&&this.canvas&&this.canvas._currentTransform){var t=this.canvas._currentTransform.target,e=this.canvas._currentTransform.action;if(this===t&&e.slice&&"scale"===e.slice(0,5))return!1}var i,r,n=this._cacheCanvas,s=this._limitCacheSize(this._getCacheCanvasDimensions()),o=y.minCacheSideLimit,a=s.width,h=s.height,c=s.zoomX,l=s.zoomY,u=a!==this.cacheWidth||h!==this.cacheHeight,f=this.zoomX!==c||this.zoomY!==l,d=u||f,g=0,p=0,v=!1;if(u){var m=this._cacheCanvas.width,b=this._cacheCanvas.height,_=m<a||b<h;v=_||(a<.9*m||h<.9*b)&&o<m&&o<b,_&&!s.capped&&(o<a||o<h)&&(g=.1*a,p=.1*h)}return!!d&&(v?(n.width=Math.ceil(a+g),n.height=Math.ceil(h+p)):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,n.width,n.height)),i=s.x*c/2,r=s.y*l/2,this.cacheTranslationX=Math.round(n.width/2-i)+i,this.cacheTranslationY=Math.round(n.height/2-r)+r,this.cacheWidth=a,this.cacheHeight=h,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(c,l),this.zoomX=c,this.zoomY=l,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initClipping(t),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t){var e;e=this.group&&!this.group._transformDone?this.calcTransformMatrix():this.calcOwnMatrix(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5])},toObject:function(t){var e=y.Object.NUM_FRACTION_DIGITS,i={type:this.type,version:y.version,originX:this.originX,originY:this.originY,left:r(this.left,e),top:r(this.top,e),width:r(this.width,e),height:r(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:r(this.strokeWidth,e),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:r(this.strokeMiterLimit,e),scaleX:r(this.scaleX,e),scaleY:r(this.scaleY,e),angle:r(this.angle,e),flipX:this.flipX,flipY:this.flipY,opacity:r(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:r(this.skewX,e),skewY:r(this.skewY,e)};return y.util.populateWithProperties(this,i,t),this.includeDefaultValues||(i=this._removeDefaultValues(i)),i},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(e){var i=y.util.getKlass(e.type).prototype;return i.stateProperties.forEach(function(t){e[t]===i[t]&&delete e[t],"[object Array]"===Object.prototype.toString.call(e[t])&&"[object Array]"===Object.prototype.toString.call(i[t])&&0===e[t].length&&0===i[t].length&&delete e[t]}),e},toString:function(){return"#<fabric."+i(this.type)+">"},getObjectScaling:function(){var t=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,e){var i="scaleX"===t||"scaleY"===t,r=this[t]!==e,n=!1;return i&&(e=this._constrainScale(e)),"scaleX"===t&&e<0?(this.flipX=!this.flipX,e*=-1):"scaleY"===t&&e<0?(this.flipY=!this.flipY,e*=-1):"shadow"!==t||!e||e instanceof y.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",e):e=new y.Shadow(e),this[t]=e,r&&(n=this.group&&this.group.isOnACache(),-1<this.cacheProperties.indexOf(t)?(this.dirty=!0,n&&this.group.set("dirty",!0)):n&&-1<this.stateProperties.indexOf(t)&&this.group.set("dirty",!0)),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:y.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||0===this.width&&0===this.height||!this.visible},render:function(t){this.isNotVisible()||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.clipTo&&y.util.clipContext(this,t),this.shouldCache()?(this._cacheCanvas||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext),this.dirty=!1),this.drawCacheOnCanvas(t)):(this._removeCacheCanvas(),this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),this.clipTo&&t.restore(),t.restore())},_removeCacheCanvas:function(){this._cacheCanvas=null,this.cacheWidth=0,this.cacheHeight=0},needsItsOwnCache:function(){return"stroke"===this.paintFirst&&"object"==typeof this.shadow},shouldCache:function(){return this.ownCaching=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawObject:function(t){this._renderBackground(t),this._setStrokeStyles(t,this),this._setFillStyles(t,this),this._render(t)},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(t){if(this.isNotVisible())return!1;if(this._cacheCanvas&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group._transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){e.stroke&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,t.strokeStyle=e.stroke.toLive?e.stroke.toLive(t,this):e.stroke)},_setFillStyles:function(t,e){e.fill&&(t.fillStyle=e.fill.toLive?e.fill.toLive(t,this):e.fill)},_setLineDash:function(t,e,i){e&&(1&e.length&&e.push.apply(e,e),n?t.setLineDash(e):i&&i(t))},_renderControls:function(t,e){var i,r,n,s=this.getViewportTransform(),o=this.calcTransformMatrix();r=void 0!==(e=e||{}).hasBorders?e.hasBorders:this.hasBorders,n=void 0!==e.hasControls?e.hasControls:this.hasControls,o=y.util.multiplyTransformMatrices(s,o),i=y.util.qrDecompose(o),t.save(),t.translate(i.translateX,i.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),e.forActiveSelection?(t.rotate(a(i.angle)),r&&this.drawBordersInGroup(t,i,e)):(t.rotate(a(this.angle)),r&&this.drawBorders(t,e)),n&&this.drawControls(t,e),t.restore()},_setShadow:function(t){if(this.shadow){var e=this.canvas&&this.canvas.viewportTransform[0]||1,i=this.canvas&&this.canvas.viewportTransform[3]||1,r=this.getObjectScaling();this.canvas&&this.canvas._isRetinaScaling()&&(e*=y.devicePixelRatio,i*=y.devicePixelRatio),t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*y.browserShadowBlurConstant*(e+i)*(r.scaleX+r.scaleY)/4,t.shadowOffsetX=this.shadow.offsetX*e*r.scaleX,t.shadowOffsetY=this.shadow.offsetY*i*r.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(!e||!e.toLive)return{offsetX:0,offsetY:0};var i=e.gradientTransform||e.patternTransform,r=-this.width/2+e.offsetX||0,n=-this.height/2+e.offsetY||0;return t.translate(r,n),i&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),{offsetX:r,offsetY:n}},_renderPaintInOrder:function(t){"stroke"===this.paintFirst?(this._renderStroke(t),this._renderFill(t)):(this._renderFill(t),this._renderStroke(t))},_renderFill:function(t){this.fill&&(t.save(),this._applyPatternGradientTransform(t,this.fill),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){this.stroke&&0!==this.strokeWidth&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this._applyPatternGradientTransform(t,this.stroke),t.stroke(),t.restore())},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_assignTransformMatrixProps:function(){if(this.transformMatrix){var t=y.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",t.scaleX),this.set("scaleY",t.scaleY),this.angle=t.angle,this.skewX=t.skewX,this.skewY=0}},_removeTransformMatrix:function(t){var e=this._findCenterFromElement();this.transformMatrix&&(this._assignTransformMatrixProps(),e=y.util.transformPoint(e,this.transformMatrix)),this.transformMatrix=null,t&&(this.scaleX*=t.scaleX,this.scaleY*=t.scaleY,this.cropX=t.cropX,this.cropY=t.cropY,e.x+=t.offsetLeft,e.y+=t.offsetTop,this.width=t.width,this.height=t.height),this.setPositionByOrigin(e,"center","center")},clone:function(t,e){var i=this.toObject(e);this.constructor.fromObject?this.constructor.fromObject(i,t):y.Object._fromObject("Object",i,t)},cloneAsImage:function(e,t){var i=this.toDataURL(t);return y.util.loadImage(i,function(t){e&&e(new y.Image(t))}),this},toDataURL:function(t){t||(t={});var e=y.util.createCanvasElement(),i=this.getBoundingRect();e.width=i.width,e.height=i.height,y.util.wrapElement(e,"div");var r=new y.StaticCanvas(e,{enableRetinaScaling:t.enableRetinaScaling,renderOnAddRemove:!1,skipOffscreen:!1});"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(r.backgroundColor="#fff");var n={left:this.left,top:this.top};this.setPositionByOrigin(new y.Point(r.width/2,r.height/2),"center","center");var s=this.canvas;r.add(this);var o=r.toDataURL(t);return this.set(n).setCoords(),this.canvas=s,r._objects=[],r.dispose(),r=null,o},isType:function(t){return this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},setGradient:function(t,e){e||(e={});var i={colorStops:[]};return i.type=e.type||(e.r1||e.r2?"radial":"linear"),i.coords={x1:e.x1,y1:e.y1,x2:e.x2,y2:e.y2},(e.r1||e.r2)&&(i.coords.r1=e.r1,i.coords.r2=e.r2),i.gradientTransform=e.gradientTransform,y.Gradient.prototype.addColorStop.call(i,e.colorStops),this.set(t,y.Gradient.forObject(this,i))},setPatternFill:function(t){return this.set("fill",new y.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new y.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},rotate:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},getLocalPointer:function(t,e){e=e||this.canvas.getPointer(t);var i=new y.Point(e.x,e.y),r=this._getLeftTopCoords();return this.angle&&(i=y.util.rotatePoint(i,r,a(-this.angle))),{x:i.x-r.x,y:i.y-r.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),y.util.createAccessors&&y.util.createAccessors(y.Object),e(y.Object.prototype,y.Observable),y.Object.NUM_FRACTION_DIGITS=2,y.Object._fromObject=function(t,i,r,n){var s=y[t];i=o(i,!0),y.util.enlivenPatterns([i.fill,i.stroke],function(t){void 0!==t[0]&&(i.fill=t[0]),void 0!==t[1]&&(i.stroke=t[1]);var e=n?new s(i[n],i):new s(i);r&&r(e)})},y.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var a=fabric.util.degreesToRadians,l={left:-.5,center:0,right:.5},u={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(t,e,i,r,n){var s,o,a,h=t.x,c=t.y;return"string"==typeof e?e=l[e]:e-=.5,"string"==typeof r?r=l[r]:r-=.5,"string"==typeof i?i=u[i]:i-=.5,"string"==typeof n?n=u[n]:n-=.5,o=n-i,((s=r-e)||o)&&(a=this._getTransformedDimensions(),h=t.x+s*a.x,c=t.y+o*a.y),new fabric.Point(h,c)},translateToCenterPoint:function(t,e,i){var r=this.translateToGivenOrigin(t,e,i,"center","center");return this.angle?fabric.util.rotatePoint(r,t,a(this.angle)):r},translateToOriginPoint:function(t,e,i){var r=this.translateToGivenOrigin(t,"center","center",e,i);return this.angle?fabric.util.rotatePoint(r,t,a(this.angle)):r},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(t,e,i){var r,n,s=this.getCenterPoint();return r=void 0!==e&&void 0!==i?this.translateToGivenOrigin(s,"center","center",e,i):new fabric.Point(this.left,this.top),n=new fabric.Point(t.x,t.y),this.angle&&(n=fabric.util.rotatePoint(n,s,-a(this.angle))),n.subtractEquals(r)},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),n=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",n.x),this.set("top",n.y)},adjustPosition:function(t){var e,i,r=a(this.angle),n=this.getScaledWidth(),s=fabric.util.cos(r)*n,o=fabric.util.sin(r)*n;e="string"==typeof this.originX?l[this.originX]:this.originX-.5,i="string"==typeof t?l[t]:t-.5,this.left+=s*(i-e),this.top+=o*(i-e),this.setCoords(),this.originX=t},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")}})}(),function(){var k=fabric.util.degreesToRadians,D=fabric.util.multiplyTransformMatrices,E=fabric.util.transformPoint;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,ownMatrixCache:null,matrixCache:null,getCoords:function(t,e){this.oCoords||this.setCoords();var i,r=t?this.aCoords:this.oCoords;return i=e?this.calcCoords(t):r,[new fabric.Point(i.tl.x,i.tl.y),new fabric.Point(i.tr.x,i.tr.y),new fabric.Point(i.br.x,i.br.y),new fabric.Point(i.bl.x,i.bl.y)]},intersectsWithRect:function(t,e,i,r){var n=this.getCoords(i,r);return"Intersection"===fabric.Intersection.intersectPolygonRectangle(n,t,e).status},intersectsWithObject:function(t,e,i){return"Intersection"===fabric.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i)).status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var r=this.getCoords(e,i),n=0,s=t._getImageLines(i?t.calcCoords(e):e?t.aCoords:t.oCoords);n<4;n++)if(!t.containsPoint(r[n],s))return!1;return!0},isContainedWithinRect:function(t,e,i,r){var n=this.getBoundingRect(i,r);return n.left>=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y},containsPoint:function(t,e,i,r){e=e||this._getImageLines(r?this.calcCoords(i):i?this.aCoords:this.oCoords);var n=this._findCrossPoints(t,e);return 0!==n&&n%2==1},isOnScreen:function(t){if(!this.canvas)return!1;for(var e,i=this.canvas.vptCoords.tl,r=this.canvas.vptCoords.br,n=this.getCoords(!0,t),s=0;s<4;s++)if((e=n[s]).x<=r.x&&e.x>=i.x&&e.y<=r.y&&e.y>=i.y)return!0;return!!this.intersectsWithRect(i,r,!0,t)||this._containsCenterOfCanvas(i,r,t)},_containsCenterOfCanvas:function(t,e,i){var r={x:(t.x+e.x)/2,y:(t.y+e.y)/2};return!!this.containsPoint(r,null,!0,i)},isPartiallyOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;return!!this.intersectsWithRect(e,i,!0,t)||this._containsCenterOfCanvas(e,i,t)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,n,s=0;for(var o in e)if(!((n=e[o]).o.y<t.y&&n.d.y<t.y||n.o.y>=t.y&&n.d.y>=t.y||(n.o.x===n.d.x&&n.o.x>=t.x?r=n.o.x:(0,i=(n.d.y-n.o.y)/(n.d.x-n.o.x),r=-(t.y-0*t.x-(n.o.y-i*n.o.x))/(0-i)),r>=t.x&&(s+=1),2!==s)))break;return s},getBoundingRect:function(t,e){var i=this.getCoords(t,e);return fabric.util.makeBoundingBoxFromPoints(i)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)<this.minScaleLimit?t<0?-this.minScaleLimit:this.minScaleLimit:0===t?1e-4:t},scale:function(t){return this._set("scaleX",t),this._set("scaleY",t),this.setCoords()},scaleToWidth:function(t,e){var i=this.getBoundingRect(e).width/this.getScaledWidth();return this.scale(t/this.width/i)},scaleToHeight:function(t,e){var i=this.getBoundingRect(e).height/this.getScaledHeight();return this.scale(t/this.height/i)},calcCoords:function(t){var e=this._calcRotateMatrix(),i=this._calcTranslateMatrix(),r=D(i,e),n=this.getViewportTransform(),s=t?r:D(n,r),o=this._getTransformedDimensions(),a=o.x/2,h=o.y/2,c=E({x:-a,y:-h},s),l=E({x:a,y:-h},s),u=E({x:-a,y:h},s),f=E({x:a,y:h},s);if(!t){var d=this.padding,g=k(this.angle),p=fabric.util.cos(g),v=fabric.util.sin(g),m=p*d,b=v*d,_=m+b,y=m-b;d&&(c.x-=y,c.y-=_,l.x+=_,l.y-=y,u.x-=_,u.y+=y,f.x+=y,f.y+=_);var x=new fabric.Point((c.x+u.x)/2,(c.y+u.y)/2),C=new fabric.Point((l.x+c.x)/2,(l.y+c.y)/2),S=new fabric.Point((f.x+l.x)/2,(f.y+l.y)/2),w=new fabric.Point((f.x+u.x)/2,(f.y+u.y)/2),T=new fabric.Point(C.x+v*this.rotatingPointOffset,C.y-p*this.rotatingPointOffset)}var O={tl:c,tr:l,br:f,bl:u};return t||(O.ml=x,O.mt=C,O.mr=S,O.mb=w,O.mtr=T),O},setCoords:function(t,e){return this.oCoords=this.calcCoords(t),e||(this.aCoords=this.calcCoords(!0)),t||this._setCornerCoords&&this._setCornerCoords(),this},_calcRotateMatrix:function(){if(this.angle){var t=k(this.angle),e=fabric.util.cos(t),i=fabric.util.sin(t);return[e,i,-i,e,0,0]}return fabric.iMatrix.concat()},_calcTranslateMatrix:function(){var t=this.getCenterPoint();return[1,0,0,1,t.x,t.y]},transformMatrixKey:function(t){var e="_",i="";return!t&&this.group&&(i=this.group.transformMatrixKey(t)+e),i+this.top+e+this.left+e+this.scaleX+e+this.scaleY+e+this.skewX+e+this.skewY+e+this.angle+e+this.originX+e+this.originY+e+this.width+e+this.height+e+this.strokeWidth+this.flipX+this.flipY},calcTransformMatrix:function(t){if(t)return this.calcOwnMatrix();var e=this.transformMatrixKey(),i=this.matrixCache||(this.matrixCache={});if(i.key===e)return i.value;var r=this.calcOwnMatrix();return this.group&&(r=D(this.group.calcTransformMatrix(),r)),i.key=e,i.value=r},calcOwnMatrix:function(){var t=this.transformMatrixKey(!0),e=this.ownMatrixCache||(this.ownMatrixCache={});if(e.key===t)return e.value;var i,r=this._calcTranslateMatrix(),n=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,!0);return this.angle&&(i=this._calcRotateMatrix(),r=D(r,i)),r=D(r,n),e.key=t,e.value=r},_calcDimensionsTransformMatrix:function(t,e,i){var r,n=[this.scaleX*(i&&this.flipX?-1:1),0,0,this.scaleY*(i&&this.flipY?-1:1),0,0];return t&&(r=[1,0,Math.tan(k(t)),1],n=D(n,r,!0)),e&&(r=[1,Math.tan(k(e)),0,1],n=D(n,r,!0)),n},_getNonTransformedDimensions:function(){var t=this.strokeWidth;return{x:this.width+t,y:this.height+t}},_getTransformedDimensions:function(t,e){void 0===t&&(t=this.skewX),void 0===e&&(e=this.skewY);var i=this._getNonTransformedDimensions();if(0===t&&0===e)return{x:i.x*this.scaleX,y:i.y*this.scaleY};var r,n,s=i.x/2,o=i.y/2,a=[{x:-s,y:-o},{x:s,y:-o},{x:-s,y:o},{x:s,y:o}],h=this._calcDimensionsTransformMatrix(t,e,!1);for(r=0;r<a.length;r++)a[r]=fabric.util.transformPoint(a[r],h);return{x:(n=fabric.util.makeBoundingBoxFromPoints(a)).width,y:n.height}},_calculateCurrentDimensions:function(){var t=this.getViewportTransform(),e=this._getTransformedDimensions();return fabric.util.transformPoint(e,t,!0).scalarAdd(2*this.padding)}})}(),fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){return this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?fabric.StaticCanvas.prototype.bringForward.call(this.group,this,t):this.canvas.bringForward(this,t),this},moveTo:function(t){return this.group&&"activeSelection"!==this.group.type?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas.moveTo(this,t),this}}),function(){function u(t,e){if(e){if(e.toLive)return t+": url(#SVGID_"+e.id+"); ";var i=new fabric.Color(e),r=t+": "+i.toRgb()+"; ",n=i.getAlpha();return 1!==n&&(r+=t+"-opacity: "+n.toString()+"; "),r}return t+": none; "}var l=fabric.util.toFixed;fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(t){var e=this.fillRule,i=this.strokeWidth?this.strokeWidth:"0",r=this.strokeDashArray?this.strokeDashArray.join(" "):"none",n=this.strokeLineCap?this.strokeLineCap:"butt",s=this.strokeLineJoin?this.strokeLineJoin:"miter",o=this.strokeMiterLimit?this.strokeMiterLimit:"4",a=void 0!==this.opacity?this.opacity:"1",h=this.visible?"":" visibility: hidden;",c=t?"":this.getSvgFilter(),l=u("fill",this.fill);return[u("stroke",this.stroke),"stroke-width: ",i,"; ","stroke-dasharray: ",r,"; ","stroke-linecap: ",n,"; ","stroke-linejoin: ",s,"; ","stroke-miterlimit: ",o,"; ",l,"fill-rule: ",e,"; ","opacity: ",a,";",c,h].join("")},getSvgSpanStyles:function(t,e){var i="; ",r=t.fontFamily?"font-family: "+(-1===t.fontFamily.indexOf("'")&&-1===t.fontFamily.indexOf('"')?"'"+t.fontFamily+"'":t.fontFamily)+i:"",n=t.strokeWidth?"stroke-width: "+t.strokeWidth+i:"",s=(r=r,t.fontSize?"font-size: "+t.fontSize+"px"+i:""),o=t.fontStyle?"font-style: "+t.fontStyle+i:"",a=t.fontWeight?"font-weight: "+t.fontWeight+i:"",h=t.fill?u("fill",t.fill):"",c=t.stroke?u("stroke",t.stroke):"",l=this.getSvgTextDecoration(t);return l&&(l="text-decoration: "+l+i),[c,n,r,s,o,a,l,h,t.deltaY?"baseline-shift: "+-t.deltaY+"; ":"",e?"white-space: pre; ":""].join("")},getSvgTextDecoration:function(t){return"overline"in t||"underline"in t||"linethrough"in t?(t.overline?"overline ":"")+(t.underline?"underline ":"")+(t.linethrough?"line-through ":""):""},getSvgFilter:function(){return this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":""},getSvgId:function(){return this.id?'id="'+this.id+'" ':""},getSvgTransform:function(){var t=this.angle,e=this.skewX%360,i=this.skewY%360,r=this.getCenterPoint(),n=fabric.Object.NUM_FRACTION_DIGITS,s="translate("+l(r.x,n)+" "+l(r.y,n)+")",o=0!==t?" rotate("+l(t,n)+")":"",a=1===this.scaleX&&1===this.scaleY?"":" scale("+l(this.scaleX,n)+" "+l(this.scaleY,n)+")",h=0!==e?" skewX("+l(e,n)+")":"",c=0!==i?" skewY("+l(i,n)+")":"";return[s,o,a,this.flipX?" matrix(-1 0 0 1 0 0) ":"",this.flipY?" matrix(1 0 0 -1 0 0)":"",h,c].join("")},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+") ":""},_setSVGBg:function(t){if(this.backgroundColor){var e=fabric.Object.NUM_FRACTION_DIGITS;t.push("\t\t<rect ",this._getFillAttributes(this.backgroundColor),' x="',l(-this.width/2,e),'" y="',l(-this.height/2,e),'" width="',l(this.width,e),'" height="',l(this.height,e),'"></rect>\n')}},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order="'+this.paintFirst+'" ':""}})}(),function(){var n=fabric.util.object.extend,r="stateProperties";function s(e,t,i){var r={};i.forEach(function(t){r[t]=e[t]}),n(e[t],r,!0)}fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(t){var e="_"+(t=t||r);return Object.keys(this[e]).length<this[t].length||!function t(e,i,r){if(e===i)return!0;if(Array.isArray(e)){if(!Array.isArray(i)||e.length!==i.length)return!1;for(var n=0,s=e.length;n<s;n++)if(!t(e[n],i[n]))return!1;return!0}if(e&&"object"==typeof e){var o,a=Object.keys(e);if(!i||"object"!=typeof i||!r&&a.length!==Object.keys(i).length)return!1;for(n=0,s=a.length;n<s;n++)if(!t(e[o=a[n]],i[o]))return!1;return!0}}(this[e],this,!0)},saveState:function(t){var e=t&&t.propertySet||r,i="_"+e;return this[i]?(s(this,i,this[e]),t&&t.stateProperties&&s(this,i,t.stateProperties),this):this.setupState(t)},setupState:function(t){var e=(t=t||{}).propertySet||r;return this["_"+(t.propertySet=e)]={},this.saveState(t),this}})}(),function(){var h=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(t){if(!this.hasControls||this.group||!this.canvas||this.canvas._activeObject!==this)return!1;var e,i,r=t.x,n=t.y;for(var s in this.__corner=0,this.oCoords)if(this.isControlVisible(s)&&("mtr"!==s||this.hasRotatingPoint)&&(!this.get("lockUniScaling")||"mt"!==s&&"mr"!==s&&"mb"!==s&&"ml"!==s)&&(i=this._getImageLines(this.oCoords[s].corner),0!==(e=this._findCrossPoints({x:r,y:n},i))&&e%2==1))return this.__corner=s;return!1},_setCornerCoords:function(){var t,e,i=this.oCoords,r=h(45-this.angle),n=.707106*this.cornerSize,s=n*fabric.util.cos(r),o=n*fabric.util.sin(r);for(var a in i)t=i[a].x,e=i[a].y,i[a].corner={tl:{x:t-o,y:e-s},tr:{x:t+s,y:e-o},bl:{x:t-s,y:e+o},br:{x:t+o,y:e+s}}},drawSelectionBackground:function(t){if(!this.selectionBackgroundColor||this.canvas&&!this.canvas.interactive||this.canvas&&this.canvas._activeObject!==this)return this;t.save();var e=this.getCenterPoint(),i=this._calculateCurrentDimensions(),r=this.canvas.viewportTransform;return t.translate(e.x,e.y),t.scale(1/r[0],1/r[3]),t.rotate(h(this.angle)),t.fillStyle=this.selectionBackgroundColor,t.fillRect(-i.x/2,-i.y/2,i.x,i.y),t.restore(),this},drawBorders:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),r=1/this.borderScaleFactor,n=i.x+r,s=i.y+r,o=void 0!==e.hasRotatingPoint?e.hasRotatingPoint:this.hasRotatingPoint,a=void 0!==e.hasControls?e.hasControls:this.hasControls,h=void 0!==e.rotatingPointOffset?e.rotatingPointOffset:this.rotatingPointOffset;if(t.save(),t.strokeStyle=e.borderColor||this.borderColor,this._setLineDash(t,e.borderDashArray||this.borderDashArray,null),t.strokeRect(-n/2,-s/2,n,s),o&&this.isControlVisible("mtr")&&a){var c=-s/2;t.beginPath(),t.moveTo(0,c),t.lineTo(0,c-h),t.stroke()}return t.restore(),this},drawBordersInGroup:function(t,e,i){i=i||{};var r=this._getNonTransformedDimensions(),n=fabric.util.customTransformMatrix(e.scaleX,e.scaleY,e.skewX),s=fabric.util.transformPoint(r,n),o=1/this.borderScaleFactor,a=s.x+o,h=s.y+o;return t.save(),this._setLineDash(t,i.borderDashArray||this.borderDashArray,null),t.strokeStyle=i.borderColor||this.borderColor,t.strokeRect(-a/2,-h/2,a,h),t.restore(),this},drawControls:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),r=i.x,n=i.y,s=e.cornerSize||this.cornerSize,o=-(r+s)/2,a=-(n+s)/2,h=void 0!==e.transparentCorners?e.transparentCorners:this.transparentCorners,c=void 0!==e.hasRotatingPoint?e.hasRotatingPoint:this.hasRotatingPoint,l=h?"stroke":"fill";return t.save(),t.strokeStyle=t.fillStyle=e.cornerColor||this.cornerColor,this.transparentCorners||(t.strokeStyle=e.cornerStrokeColor||this.cornerStrokeColor),this._setLineDash(t,e.cornerDashArray||this.cornerDashArray,null),this._drawControl("tl",t,l,o,a,e),this._drawControl("tr",t,l,o+r,a,e),this._drawControl("bl",t,l,o,a+n,e),this._drawControl("br",t,l,o+r,a+n,e),this.get("lockUniScaling")||(this._drawControl("mt",t,l,o+r/2,a,e),this._drawControl("mb",t,l,o+r/2,a+n,e),this._drawControl("mr",t,l,o+r,a+n/2,e),this._drawControl("ml",t,l,o,a+n/2,e)),c&&this._drawControl("mtr",t,l,o+r/2,a-this.rotatingPointOffset,e),t.restore(),this},_drawControl:function(t,e,i,r,n,s){if(s=s||{},this.isControlVisible(t)){var o=this.cornerSize,a=!this.transparentCorners&&this.cornerStrokeColor;switch(s.cornerStyle||this.cornerStyle){case"circle":e.beginPath(),e.arc(r+o/2,n+o/2,o/2,0,2*Math.PI,!1),e[i](),a&&e.stroke();break;default:this.transparentCorners||e.clearRect(r,n,o,o),e[i+"Rect"](r,n,o,o),a&&e.strokeRect(r,n,o,o)}}},isControlVisible:function(t){return this._getControlsVisibility()[t]},setControlVisible:function(t,e){return this._getControlsVisibility()[t]=e,this},setControlsVisibility:function(t){for(var e in t||(t={}),t)this.setControlVisible(e,t[e]);return this},_getControlsVisibility:function(){return this._controlsVisibility||(this._controlsVisibility={tl:!0,tr:!0,br:!0,bl:!0,ml:!0,mt:!0,mr:!0,mb:!0,mtr:!0}),this._controlsVisibility},onDeselect:function(){},onSelect:function(){}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(e,t){var i=function(){},r=(t=t||{}).onComplete||i,n=t.onChange||i,s=this;return fabric.util.animate({startValue:e.left,endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(t){e.set("left",t),s.requestRenderAll(),n()},onComplete:function(){e.setCoords(),r()}}),this},fxCenterObjectV:function(e,t){var i=function(){},r=(t=t||{}).onComplete||i,n=t.onChange||i,s=this;return fabric.util.animate({startValue:e.top,endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(t){e.set("top",t),s.requestRenderAll(),n()},onComplete:function(){e.setCoords(),r()}}),this},fxRemove:function(e,t){var i=function(){},r=(t=t||{}).onComplete||i,n=t.onChange||i,s=this;return fabric.util.animate({startValue:e.opacity,endValue:0,duration:this.FX_DURATION,onChange:function(t){e.set("opacity",t),s.requestRenderAll(),n()},onComplete:function(){s.remove(e),r()}}),this}}),fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&"object"==typeof arguments[0]){var t,e,i=[];for(t in arguments[0])i.push(t);for(var r=0,n=i.length;r<n;r++)t=i[r],e=r!==n-1,this._animate(t,arguments[0][t],arguments[1],e)}else this._animate.apply(this,arguments);return this},_animate:function(r,t,n,s){var o,a=this;t=t.toString(),n=n?fabric.util.object.clone(n):{},~r.indexOf(".")&&(o=r.split("."));var e=o?this.get(o[0])[o[1]]:this.get(r);"from"in n||(n.from=e),t=~t.indexOf("=")?e+parseFloat(t.replace("=","")):parseFloat(t),fabric.util.animate({startValue:n.from,endValue:t,byValue:n.by,easing:n.easing,duration:n.duration,abort:n.abort&&function(){return n.abort.call(a)},onChange:function(t,e,i){o?a[o[0]][o[1]]=t:a.set(r,t),s||n.onChange&&n.onChange(t,e,i)},onComplete:function(t,e,i){s||(a.setCoords(),n.onComplete&&n.onComplete(t,e,i))}})}}),function(t){"use strict";var s=t.fabric||(t.fabric={}),o=s.util.object.extend,r=s.util.object.clone,i={x1:1,x2:1,y1:1,y2:1},n=s.StaticCanvas.supports("setLineDash");function e(t,e){var i=t.origin,r=t.axis1,n=t.axis2,s=t.dimension,o=e.nearest,a=e.center,h=e.farthest;return function(){switch(this.get(i)){case o:return Math.min(this.get(r),this.get(n));case a:return Math.min(this.get(r),this.get(n))+.5*this.get(s);case h:return Math.max(this.get(r),this.get(n))}}}s.Line?s.warn("fabric.Line is already defined"):(s.Line=s.util.createClass(s.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,cacheProperties:s.Object.prototype.cacheProperties.concat("x1","x2","y1","y2"),initialize:function(t,e){t||(t=[0,0,0,0]),this.callSuper("initialize",e),this.set("x1",t[0]),this.set("y1",t[1]),this.set("x2",t[2]),this.set("y2",t[3]),this._setWidthHeight(e)},_setWidthHeight:function(t){t||(t={}),this.width=Math.abs(this.x2-this.x1),this.height=Math.abs(this.y2-this.y1),this.left="left"in t?t.left:this._getLeftToOriginX(),this.top="top"in t?t.top:this._getTopToOriginY()},_set:function(t,e){return this.callSuper("_set",t,e),void 0!==i[t]&&this._setWidthHeight(),this},_getLeftToOriginX:e({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:e({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t){if(t.beginPath(),!this.strokeDashArray||this.strokeDashArray&&n){var e=this.calcLinePoints();t.moveTo(e.x1,e.y1),t.lineTo(e.x2,e.y2)}t.lineWidth=this.strokeWidth;var i=t.strokeStyle;t.strokeStyle=this.stroke||t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=i},_renderDashedStroke:function(t){var e=this.calcLinePoints();t.beginPath(),s.util.drawDashedLine(t,e.x1,e.y1,e.x2,e.y2,this.strokeDashArray),t.closePath()},_findCenterFromElement:function(){return{x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2}},toObject:function(t){return o(this.callSuper("toObject",t),this.calcLinePoints())},_getNonTransformedDimensions:function(){var t=this.callSuper("_getNonTransformedDimensions");return"butt"===this.strokeLineCap&&(0===this.width&&(t.y-=this.strokeWidth),0===this.height&&(t.x-=this.strokeWidth)),t},calcLinePoints:function(){var t=this.x1<=this.x2?-1:1,e=this.y1<=this.y2?-1:1,i=t*this.width*.5,r=e*this.height*.5;return{x1:i,x2:t*this.width*-.5,y1:r,y2:e*this.height*-.5}},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.calcLinePoints();return e.push("<line ",this.getSvgId(),'x1="',i.x1,'" y1="',i.y1,'" x2="',i.x2,'" y2="',i.y2,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")}}),s.Line.ATTRIBUTE_NAMES=s.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),s.Line.fromElement=function(t,e,i){i=i||{};var r=s.parseAttributes(t,s.Line.ATTRIBUTE_NAMES),n=[r.x1||0,r.y1||0,r.x2||0,r.y2||0];e(new s.Line(n,o(r,i)))},s.Line.fromObject=function(t,e){var i=r(t,!0);i.points=[t.x1,t.y1,t.x2,t.y2],s.Object._fromObject("Line",i,function(t){delete t.points,e&&e(t)},"points")})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var h=t.fabric||(t.fabric={}),c=Math.PI;h.Circle?h.warn("fabric.Circle is already defined."):(h.Circle=h.util.createClass(h.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*c,cacheProperties:h.Object.prototype.cacheProperties.concat("radius","startAngle","endAngle"),_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=(this.endAngle-this.startAngle)%(2*c);if(0===i)e.push("<circle ",this.getSvgId(),'cx="0" cy="0" ','r="',this.radius,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"',this.addPaintOrder(),"/>\n");else{var r=h.util.cos(this.startAngle)*this.radius,n=h.util.sin(this.startAngle)*this.radius,s=h.util.cos(this.endAngle)*this.radius,o=h.util.sin(this.endAngle)*this.radius,a=c<i?"1":"0";e.push('<path d="M '+r+" "+n," A "+this.radius+" "+this.radius," 0 ",+a+" 1"," "+s+" "+o,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"',this.addPaintOrder(),'"/>\n')}return t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderPaintInOrder(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),h.Circle.ATTRIBUTE_NAMES=h.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),h.Circle.fromElement=function(t,e){var i,r=h.parseAttributes(t,h.Circle.ATTRIBUTE_NAMES);if(!("radius"in(i=r)&&0<=i.radius))throw new Error("value of `r` attribute is required and can not be negative");r.left=(r.left||0)-r.radius,r.top=(r.top||0)-r.radius,e(new h.Circle(r))},h.Circle.fromObject=function(t,e){return h.Object._fromObject("Circle",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var r=t.fabric||(t.fabric={});r.Triangle?r.warn("fabric.Triangle is already defined"):(r.Triangle=r.util.createClass(r.Object,{type:"triangle",width:100,height:100,_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),r.util.drawDashedLine(t,-e,i,0,-i,this.strokeDashArray),r.util.drawDashedLine(t,0,-i,e,i,this.strokeDashArray),r.util.drawDashedLine(t,e,i,-e,i,this.strokeDashArray),t.closePath()},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.width/2,r=this.height/2,n=[-i+" "+r,"0 "+-r,i+" "+r].join(",");return e.push("<polygon ",this.getSvgId(),'points="',n,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"',this.addPaintOrder(),"/>"),t?t(e.join("")):e.join("")}}),r.Triangle.fromObject=function(t,e){return r.Object._fromObject("Triangle",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var r=t.fabric||(t.fabric={}),e=2*Math.PI;r.Ellipse?r.warn("fabric.Ellipse is already defined."):(r.Ellipse=r.util.createClass(r.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:r.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup();return e.push("<ellipse ",this.getSvgId(),'cx="0" cy="0" ','rx="',this.rx,'" ry="',this.ry,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"',this.addPaintOrder(),"/>\n"),t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,e,!1),t.restore(),this._renderPaintInOrder(t)}}),r.Ellipse.ATTRIBUTE_NAMES=r.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),r.Ellipse.fromElement=function(t,e){var i=r.parseAttributes(t,r.Ellipse.ATTRIBUTE_NAMES);i.left=(i.left||0)-i.rx,i.top=(i.top||0)-i.ry,e(new r.Ellipse(i))},r.Ellipse.fromObject=function(t,e){return r.Object._fromObject("Ellipse",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var s=t.fabric||(t.fabric={}),o=s.util.object.extend;s.Rect?s.warn("fabric.Rect is already defined"):(s.Rect=s.util.createClass(s.Object,{stateProperties:s.Object.prototype.stateProperties.concat("rx","ry"),type:"rect",rx:0,ry:0,cacheProperties:s.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){if(1!==this.width||1!==this.height){var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,h=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+r-e,o),a&&t.bezierCurveTo(s+r-h*e,o,s+r,o+h*i,s+r,o+i),t.lineTo(s+r,o+n-i),a&&t.bezierCurveTo(s+r,o+n-h*i,s+r-h*e,o+n,s+r-e,o+n),t.lineTo(s+e,o+n),a&&t.bezierCurveTo(s+h*e,o+n,s,o+n-h*i,s,o+n-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+h*i,s+h*e,o,s+e,o),t.closePath(),this._renderPaintInOrder(t)}else t.fillRect(-.5,-.5,1,1)},_renderDashedStroke:function(t){var e=-this.width/2,i=-this.height/2,r=this.width,n=this.height;t.beginPath(),s.util.drawDashedLine(t,e,i,e+r,i,this.strokeDashArray),s.util.drawDashedLine(t,e+r,i,e+r,i+n,this.strokeDashArray),s.util.drawDashedLine(t,e+r,i+n,e,i+n,this.strokeDashArray),s.util.drawDashedLine(t,e,i+n,e,i,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=-this.width/2,r=-this.height/2;return e.push("<rect ",this.getSvgId(),'x="',i,'" y="',r,'" rx="',this.get("rx"),'" ry="',this.get("ry"),'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"',this.addPaintOrder(),"/>\n"),t?t(e.join("")):e.join("")}}),s.Rect.ATTRIBUTE_NAMES=s.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),s.Rect.fromElement=function(t,e,i){if(!t)return e(null);i=i||{};var r=s.parseAttributes(t,s.Rect.ATTRIBUTE_NAMES);r.left=r.left||0,r.top=r.top||0;var n=new s.Rect(o(i?s.util.object.clone(i):{},r));n.visible=n.visible&&0<n.width&&0<n.height,e(n)},s.Rect.fromObject=function(t,e){return s.Object._fromObject("Rect",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var h=t.fabric||(t.fabric={}),e=h.util.object.extend,r=h.util.array.min,n=h.util.array.max,c=h.util.toFixed;h.Polyline?h.warn("fabric.Polyline is already defined"):(h.Polyline=h.util.createClass(h.Object,{type:"polyline",points:null,cacheProperties:h.Object.prototype.cacheProperties.concat("points"),initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e);var i=this._calcDimensions();void 0===e.left&&(this.left=i.left),void 0===e.top&&(this.top=i.top),this.width=i.width,this.height=i.height,this.pathOffset={x:i.left+this.width/2,y:i.top+this.height/2}},_calcDimensions:function(){var t=this.points,e=r(t,"x")||0,i=r(t,"y")||0;return{left:e,top:i,width:(n(t,"x")||0)-e,height:(n(t,"y")||0)-i}},toObject:function(t){return e(this.callSuper("toObject",t),{points:this.points.concat()})},toSVG:function(t){for(var e=[],i=this.pathOffset.x,r=this.pathOffset.y,n=this._createBaseSVGMarkup(),s=h.Object.NUM_FRACTION_DIGITS,o=0,a=this.points.length;o<a;o++)e.push(c(this.points[o].x-i,s),",",c(this.points[o].y-r,s)," ");return n.push("<",this.type," ",this.getSvgId(),'points="',e.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"',this.addPaintOrder(),"/>\n"),t?t(n.join("")):n.join("")},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s<i;s++)e=this.points[s],t.lineTo(e.x-r,e.y-n);return!0},_render:function(t){this.commonRender(t)&&this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var e,i;t.beginPath();for(var r=0,n=this.points.length;r<n;r++)e=this.points[r],i=this.points[r+1]||e,h.util.drawDashedLine(t,e.x,e.y,i.x,i.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),h.Polyline.ATTRIBUTE_NAMES=h.SHARED_ATTRIBUTES.concat(),h.Polyline.fromElement=function(t,e,i){if(!t)return e(null);i||(i={});var r=h.parsePointsAttribute(t.getAttribute("points")),n=h.parseAttributes(t,h.Polyline.ATTRIBUTE_NAMES);e(new h.Polyline(r,h.util.object.extend(n,i)))},h.Polyline.fromObject=function(t,e){return h.Object._fromObject("Polyline",t,e,"points")})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var s=t.fabric||(t.fabric={}),o=s.util.object.extend;s.Polygon?s.warn("fabric.Polygon is already defined"):(s.Polygon=s.util.createClass(s.Polyline,{type:"polygon",_render:function(t){this.commonRender(t)&&(t.closePath(),this._renderPaintInOrder(t))},_renderDashedStroke:function(t){this.callSuper("_renderDashedStroke",t),t.closePath()}}),s.Polygon.ATTRIBUTE_NAMES=s.SHARED_ATTRIBUTES.concat(),s.Polygon.fromElement=function(t,e,i){if(!t)return e(null);i||(i={});var r=s.parsePointsAttribute(t.getAttribute("points")),n=s.parseAttributes(t,s.Polygon.ATTRIBUTE_NAMES);e(new s.Polygon(r,o(n,i)))},s.Polygon.fromObject=function(t,e){return s.Object._fromObject("Polygon",t,e,"points")})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var m=t.fabric||(t.fabric={}),b=m.util.array.min,_=m.util.array.max,n=m.util.object.extend,r=Object.prototype.toString,p=m.util.drawArc,y={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},x={m:"l",M:"L"};m.Path?m.warn("fabric.Path is already defined"):(m.Path=m.util.createClass(m.Object,{type:"path",path:null,cacheProperties:m.Object.prototype.cacheProperties.concat("path","fillRule"),stateProperties:m.Object.prototype.stateProperties.concat("path"),initialize:function(t,e){e=e||{},this.callSuper("initialize",e),t||(t=[]);var i="[object Array]"===r.call(t);this.path=i?t:t.match&&t.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi),this.path&&(i||(this.path=this._parsePath()),this._setPositionDimensions(e))},_setPositionDimensions:function(t){var e=this._parseDimensions();this.width=e.width,this.height=e.height,void 0===t.left&&(this.left=e.left),void 0===t.top&&(this.top=e.top),this.pathOffset=this.pathOffset||{x:e.left+this.width/2,y:e.top+this.height/2}},_renderPathCommands:function(t){var e,i,r,n=null,s=0,o=0,a=0,h=0,c=0,l=0,u=-this.pathOffset.x,f=-this.pathOffset.y;t.beginPath();for(var d=0,g=this.path.length;d<g;++d){switch((e=this.path[d])[0]){case"l":a+=e[1],h+=e[2],t.lineTo(a+u,h+f);break;case"L":a=e[1],h=e[2],t.lineTo(a+u,h+f);break;case"h":a+=e[1],t.lineTo(a+u,h+f);break;case"H":a=e[1],t.lineTo(a+u,h+f);break;case"v":h+=e[1],t.lineTo(a+u,h+f);break;case"V":h=e[1],t.lineTo(a+u,h+f);break;case"m":s=a+=e[1],o=h+=e[2],t.moveTo(a+u,h+f);break;case"M":s=a=e[1],o=h=e[2],t.moveTo(a+u,h+f);break;case"c":i=a+e[5],r=h+e[6],c=a+e[3],l=h+e[4],t.bezierCurveTo(a+e[1]+u,h+e[2]+f,c+u,l+f,i+u,r+f),a=i,h=r;break;case"C":a=e[5],h=e[6],c=e[3],l=e[4],t.bezierCurveTo(e[1]+u,e[2]+f,c+u,l+f,a+u,h+f);break;case"s":i=a+e[3],r=h+e[4],null===n[0].match(/[CcSs]/)?(c=a,l=h):(c=2*a-c,l=2*h-l),t.bezierCurveTo(c+u,l+f,a+e[1]+u,h+e[2]+f,i+u,r+f),c=a+e[1],l=h+e[2],a=i,h=r;break;case"S":i=e[3],r=e[4],null===n[0].match(/[CcSs]/)?(c=a,l=h):(c=2*a-c,l=2*h-l),t.bezierCurveTo(c+u,l+f,e[1]+u,e[2]+f,i+u,r+f),a=i,h=r,c=e[1],l=e[2];break;case"q":i=a+e[3],r=h+e[4],c=a+e[1],l=h+e[2],t.quadraticCurveTo(c+u,l+f,i+u,r+f),a=i,h=r;break;case"Q":i=e[3],r=e[4],t.quadraticCurveTo(e[1]+u,e[2]+f,i+u,r+f),a=i,h=r,c=e[1],l=e[2];break;case"t":i=a+e[1],r=h+e[2],null===n[0].match(/[QqTt]/)?(c=a,l=h):(c=2*a-c,l=2*h-l),t.quadraticCurveTo(c+u,l+f,i+u,r+f),a=i,h=r;break;case"T":i=e[1],r=e[2],null===n[0].match(/[QqTt]/)?(c=a,l=h):(c=2*a-c,l=2*h-l),t.quadraticCurveTo(c+u,l+f,i+u,r+f),a=i,h=r;break;case"a":p(t,a+u,h+f,[e[1],e[2],e[3],e[4],e[5],e[6]+a+u,e[7]+h+f]),a+=e[6],h+=e[7];break;case"A":p(t,a+u,h+f,[e[1],e[2],e[3],e[4],e[5],e[6]+u,e[7]+f]),a=e[6],h=e[7];break;case"z":case"Z":a=s,h=o,t.closePath()}n=e}},_render:function(t){this._renderPathCommands(t),this._renderPaintInOrder(t)},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(t){return n(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()}),top:this.top,left:this.left})},toDatalessObject:function(t){var e=this.toObject(["sourcePath"].concat(t));return e.sourcePath&&delete e.path,e},toSVG:function(t){for(var e,i=[],r=this._createBaseSVGMarkup(),n=0,s=this.path.length;n<s;n++)i.push(this.path[n].join(" "));var o=i.join(" ");return e=" translate("+-this.pathOffset.x+", "+-this.pathOffset.y+") ",r.push("<path ",this.getSvgId(),'d="',o,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),e,this.getSvgTransformMatrix(),'" stroke-linecap="round" ',this.addPaintOrder(),"/>\n"),t?t(r.join("")):r.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,r,n,s=[],o=[],a=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,h=0,c=this.path.length;h<c;h++){for(r=(t=this.path[h]).slice(1).trim(),o.length=0;i=a.exec(r);)o.push(i[0]);n=[t.charAt(0)];for(var l=0,u=o.length;l<u;l++)e=parseFloat(o[l]),isNaN(e)||n.push(e);var f=n[0],d=y[f.toLowerCase()],g=x[f]||f;if(n.length-1>d)for(var p=1,v=n.length;p<v;p+=d)s.push([f].concat(n.slice(p,p+d))),f=g;else s.push(n)}return s},_parseDimensions:function(){for(var t,e,i,r,n=[],s=[],o=null,a=0,h=0,c=0,l=0,u=0,f=0,d=0,g=this.path.length;d<g;++d){switch((t=this.path[d])[0]){case"l":c+=t[1],l+=t[2],r=[];break;case"L":c=t[1],l=t[2],r=[];break;case"h":c+=t[1],r=[];break;case"H":c=t[1],r=[];break;case"v":l+=t[1],r=[];break;case"V":l=t[1],r=[];break;case"m":a=c+=t[1],h=l+=t[2],r=[];break;case"M":a=c=t[1],h=l=t[2],r=[];break;case"c":e=c+t[5],i=l+t[6],u=c+t[3],f=l+t[4],r=m.util.getBoundsOfCurve(c,l,c+t[1],l+t[2],u,f,e,i),c=e,l=i;break;case"C":u=t[3],f=t[4],r=m.util.getBoundsOfCurve(c,l,t[1],t[2],u,f,t[5],t[6]),c=t[5],l=t[6];break;case"s":e=c+t[3],i=l+t[4],null===o[0].match(/[CcSs]/)?(u=c,f=l):(u=2*c-u,f=2*l-f),r=m.util.getBoundsOfCurve(c,l,u,f,c+t[1],l+t[2],e,i),u=c+t[1],f=l+t[2],c=e,l=i;break;case"S":e=t[3],i=t[4],null===o[0].match(/[CcSs]/)?(u=c,f=l):(u=2*c-u,f=2*l-f),r=m.util.getBoundsOfCurve(c,l,u,f,t[1],t[2],e,i),c=e,l=i,u=t[1],f=t[2];break;case"q":e=c+t[3],i=l+t[4],u=c+t[1],f=l+t[2],r=m.util.getBoundsOfCurve(c,l,u,f,u,f,e,i),c=e,l=i;break;case"Q":u=t[1],f=t[2],r=m.util.getBoundsOfCurve(c,l,u,f,u,f,t[3],t[4]),c=t[3],l=t[4];break;case"t":e=c+t[1],i=l+t[2],null===o[0].match(/[QqTt]/)?(u=c,f=l):(u=2*c-u,f=2*l-f),r=m.util.getBoundsOfCurve(c,l,u,f,u,f,e,i),c=e,l=i;break;case"T":e=t[1],i=t[2],null===o[0].match(/[QqTt]/)?(u=c,f=l):(u=2*c-u,f=2*l-f),r=m.util.getBoundsOfCurve(c,l,u,f,u,f,e,i),c=e,l=i;break;case"a":r=m.util.getBoundsOfArc(c,l,t[1],t[2],t[3],t[4],t[5],t[6]+c,t[7]+l),c+=t[6],l+=t[7];break;case"A":r=m.util.getBoundsOfArc(c,l,t[1],t[2],t[3],t[4],t[5],t[6],t[7]),c=t[6],l=t[7];break;case"z":case"Z":c=a,l=h}o=t,r.forEach(function(t){n.push(t.x),s.push(t.y)}),n.push(c),s.push(l)}var p=b(n)||0,v=b(s)||0;return{left:p,top:v,width:(_(n)||0)-p,height:(_(s)||0)-v}}}),m.Path.fromObject=function(i,r){if("string"==typeof i.sourcePath){var t=i.sourcePath;m.loadSVGFromURL(t,function(t){var e=t[0];e.setOptions(i),r&&r(e)})}else m.Object._fromObject("Path",i,r,"path")},m.Path.ATTRIBUTE_NAMES=m.SHARED_ATTRIBUTES.concat(["d"]),m.Path.fromElement=function(t,e,i){var r=m.parseAttributes(t,m.Path.ATTRIBUTE_NAMES);e(new m.Path(r.d,n(r,i)))})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var o=t.fabric||(t.fabric={}),i=o.util.object.extend,a=o.util.array.min,h=o.util.array.max;o.Group||(o.Group=o.util.createClass(o.Object,o.Collection,{type:"group",strokeWidth:0,subTargetCheck:!1,cacheProperties:[],useSetOnGroup:!1,initialize:function(t,e,i){e=e||{},this._objects=[],i&&this.callSuper("initialize",e),this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;if(e.originX&&(this.originX=e.originX),e.originY&&(this.originY=e.originY),i)this._updateObjectsACoords();else{var n=e&&e.centerPoint;n||this._calcBounds(),this._updateObjectsCoords(n),delete e.centerPoint,this.callSuper("initialize",e)}this.setCoords()},_updateObjectsACoords:function(){for(var t=this._objects.length;t--;)this._objects[t].setCoords(!0,!0)},_updateObjectsCoords:function(t){t=t||this.getCenterPoint();for(var e=this._objects.length;e--;)this._updateObjectCoords(this._objects[e],t)},_updateObjectCoords:function(t,e){var i=t.left,r=t.top;t.set({left:i-e.x,top:r-e.y}),t.group=this,t.setCoords(!0,!0)},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(t){return this._restoreObjectsState(),o.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},removeWithUpdate:function(t){return this._restoreObjectsState(),o.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,e){var i=this._objects.length;if(this.useSetOnGroup)for(;i--;)this._objects[i].setOnGroup(t,e);if("canvas"===t)for(i=this._objects.length;i--;)this._objects[i]._set(t,e);this.callSuper("_set",t,e)},toObject:function(r){var t=this.getObjects().map(function(t){var e=t.includeDefaultValues;t.includeDefaultValues=t.group.includeDefaultValues;var i=t.toObject(r);return t.includeDefaultValues=e,i});return i(this.callSuper("toObject",r),{objects:t})},toDatalessObject:function(r){var t,e=this.sourcePath;return t=e||this.getObjects().map(function(t){var e=t.includeDefaultValues;t.includeDefaultValues=t.group.includeDefaultValues;var i=t.toDatalessObject(r);return t.includeDefaultValues=e,i}),i(this.callSuper("toDatalessObject",r),{objects:t})},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache());if(this.ownCaching=t)for(var e=0,i=this._objects.length;e<i;e++)if(this._objects[e].willDrawShadow())return this.ownCaching=!1;return t},willDrawShadow:function(){if(this.shadow)return this.callSuper("willDrawShadow");for(var t=0,e=this._objects.length;t<e;t++)if(this._objects[t].willDrawShadow())return!0;return!1},isOnACache:function(){return this.ownCaching||this.group&&this.group.isOnACache()},drawObject:function(t){for(var e=0,i=this._objects.length;e<i;e++)this._objects[e].render(t)},isCacheDirty:function(){if(this.callSuper("isCacheDirty"))return!0;if(!this.statefullCache)return!1;for(var t=0,e=this._objects.length;t<e;t++)if(this._objects[t].isCacheDirty(!0)){if(this._cacheCanvas){var i=this.cacheWidth/this.zoomX,r=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-i/2,-r/2,i,r)}return!0}return!1},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},realizeTransform:function(t){var e=t.calcTransformMatrix(),i=o.util.qrDecompose(e),r=new o.Point(i.translateX,i.translateY);return t.flipX=!1,t.flipY=!1,t.set("scaleX",i.scaleX),t.set("scaleY",i.scaleY),t.skewX=i.skewX,t.skewY=i.skewY,t.angle=i.angle,t.setPositionByOrigin(r,"center","center"),t},_restoreObjectState:function(t){return this.realizeTransform(t),t.setCoords(),delete t.group,this},destroy:function(){return this._objects.forEach(function(t){t.set("dirty",!0)}),this._restoreObjectsState()},toActiveSelection:function(){if(this.canvas){var t=this._objects,e=this.canvas;this._objects=[];var i=this.toObject();delete i.objects;var r=new o.ActiveSelection([]);return r.set(i),r.type="activeSelection",e.remove(this),t.forEach(function(t){t.group=r,t.dirty=!0,e.add(t)}),r.canvas=e,r._objects=t,(e._activeObject=r).setCoords(),r}},ungroupOnCanvas:function(){return this._restoreObjectsState()},setObjectsCoords:function(){return this.forEachObject(function(t){t.setCoords(!0,!0)}),this},_calcBounds:function(t){for(var e,i,r,n=[],s=[],o=["tr","br","bl","tl"],a=0,h=this._objects.length,c=o.length;a<h;++a)for((e=this._objects[a]).setCoords(!0),r=0;r<c;r++)i=o[r],n.push(e.oCoords[i].x),s.push(e.oCoords[i].y);this.set(this._getBounds(n,s,t))},_getBounds:function(t,e,i){var r=new o.Point(a(t),a(e)),n=new o.Point(h(t),h(e)),s={width:n.x-r.x||0,height:n.y-r.y||0};return i||(s.left=r.x||0,s.top=r.y||0,"center"===this.originX&&(s.left+=s.width/2),"right"===this.originX&&(s.left+=s.width),"center"===this.originY&&(s.top+=s.height/2),"bottom"===this.originY&&(s.top+=s.height)),s},toSVG:function(t){var e=this._createBaseSVGMarkup();e.push("<g ",this.getSvgId(),'transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'" style="',this.getSvgFilter(),'">\n');for(var i=0,r=this._objects.length;i<r;i++)e.push("\t",this._objects[i].toSVG(t));return e.push("</g>\n"),t?t(e.join("")):e.join("")}}),o.Group.fromObject=function(i,r){o.util.enlivenObjects(i.objects,function(t){var e=o.util.object.clone(i,!0);delete e.objects,r&&r(new o.Group(t,e,!0))})})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var n=t.fabric||(t.fabric={});n.ActiveSelection||(n.ActiveSelection=n.util.createClass(n.Group,{type:"activeSelection",initialize:function(t,e){e=e||{},this._objects=t||[];for(var i=this._objects.length;i--;)this._objects[i].group=this;e.originX&&(this.originX=e.originX),e.originY&&(this.originY=e.originY),this._calcBounds(),this._updateObjectsCoords(),n.Object.prototype.initialize.call(this,e),this.setCoords()},toGroup:function(){var t=this._objects;this._objects=[];var e=this.toObject(),i=new n.Group([]);if(delete e.objects,i.set(e),i.type="group",t.forEach(function(t){t.group=i,t.canvas.remove(t)}),i._objects=t,!this.canvas)return i;var r=this.canvas;return r.add(i),(r._activeObject=i).setCoords(),i},onDeselect:function(){return this.destroy(),!1},toString:function(){return"#<fabric.ActiveSelection: ("+this.complexity()+")>"},_set:function(t,e){var i=this._objects.length;if("canvas"===t)for(;i--;)this._objects[i].set(t,e);if(this.useSetOnGroup)for(;i--;)this._objects[i].setOnGroup(t,e);n.Object.prototype._set.call(this,t,e)},shouldCache:function(){return!1},willDrawShadow:function(){if(this.shadow)return this.callSuper("willDrawShadow");for(var t=0,e=this._objects.length;t<e;t++)if(this._objects[t].willDrawShadow())return!0;return!1},isOnACache:function(){return!1},_renderControls:function(t,e,i){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.callSuper("_renderControls",t,e),void 0===(i=i||{}).hasControls&&(i.hasControls=!1),void 0===i.hasRotatingPoint&&(i.hasRotatingPoint=!1),i.forActiveSelection=!0;for(var r=0,n=this._objects.length;r<n;r++)this._objects[r]._renderControls(t,i);t.restore()}}),n.ActiveSelection.fromObject=function(e,i){n.util.enlivenObjects(e.objects,function(t){delete e.objects,i&&i(new n.ActiveSelection(t,e,!0))})})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var n=fabric.util.object.extend;t.fabric||(t.fabric={}),t.fabric.Image?fabric.warn("fabric.Image is already defined."):(fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",crossOrigin:"",strokeWidth:0,_lastScaleX:1,_lastScaleY:1,_filterScalingX:1,_filterScalingY:1,minimumScaleTrigger:.5,stateProperties:fabric.Object.prototype.stateProperties.concat("cropX","cropY"),objectCaching:!1,cacheKey:"",cropX:0,cropY:0,initialize:function(t,e){e||(e={}),this.filters=[],this.cacheKey="texture"+fabric.Object.__uid++,this.callSuper("initialize",e),this._initElement(t,e)},getElement:function(){return this._element},setElement:function(t,e){var i=fabric.filterBackend;return i&&i.evictCachesForKey&&(i.evictCachesForKey(this.cacheKey),i.evictCachesForKey(this.cacheKey+"_filtered")),this._element=t,this._originalElement=t,this._initConfig(e),this.resizeFilter&&this.applyResizeFilters(),0!==this.filters.length&&this.applyFilters(),this},dispose:function(){var t=fabric.filterBackend;t&&t.evictCachesForKey&&(t.evictCachesForKey(this.cacheKey),t.evictCachesForKey(this.cacheKey+"_filtered")),this._originalElement=void 0,this._element=void 0,this._filteredEl=void 0},setCrossOrigin:function(t){return this.crossOrigin=t,this._element.crossOrigin=t,this},getOriginalSize:function(){var t=this.getElement();return{width:t.width,height:t.height}},_stroke:function(t){if(this.stroke&&0!==this.strokeWidth){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,-i),t.lineTo(e,-i),t.lineTo(e,i),t.lineTo(-e,i),t.lineTo(-e,-i),t.closePath()}},_renderDashedStroke:function(t){var e=-this.width/2,i=-this.height/2,r=this.width,n=this.height;t.save(),this._setStrokeStyles(t,this),t.beginPath(),fabric.util.drawDashedLine(t,e,i,e+r,i,this.strokeDashArray),fabric.util.drawDashedLine(t,e+r,i,e+r,i+n,this.strokeDashArray),fabric.util.drawDashedLine(t,e+r,i+n,e,i+n,this.strokeDashArray),fabric.util.drawDashedLine(t,e,i+n,e,i,this.strokeDashArray),t.closePath(),t.restore()},toObject:function(t){var e=[];this.filters.forEach(function(t){t&&e.push(t.toObject())});var i=n(this.callSuper("toObject",["crossOrigin","cropX","cropY"].concat(t)),{src:this.getSrc(),filters:e});return this.resizeFilter&&(i.resizeFilter=this.resizeFilter.toObject()),i},hasCrop:function(){return this.cropX||this.cropY||this.width<this._element.width||this.height<this._element.height},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=-this.width/2,r=-this.height/2,n="";if(this.hasCrop()){var s=fabric.Object.__uid++;e.push('<clipPath id="imageCrop_'+s+'">\n','\t<rect x="'+i+'" y="'+r+'" width="'+this.width+'" height="'+this.height+'" />\n',"</clipPath>\n"),n=' clip-path="url(#imageCrop_'+s+')" '}e.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n');var o=["\t<image ",this.getSvgId(),'xlink:href="',this.getSvgSrc(!0),'" x="',i-this.cropX,'" y="',r-this.cropY,'" style="',this.getSvgStyles(),'" width="',this._element.width||this._element.naturalWidth,'" height="',this._element.height||this._element.height,'"',n,"></image>\n"];if("fill"===this.paintFirst&&Array.prototype.push.apply(e,o),this.stroke||this.strokeDashArray){var a=this.fill;this.fill=null,e.push("\t<rect ",'x="',i,'" y="',r,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'),this.fill=a}return"fill"!==this.paintFirst&&Array.prototype.push.apply(e,o),e.push("</g>\n"),t?t(e.join("")):e.join("")},getSrc:function(t){var e=t?this._element:this._originalElement;return e?e.toDataURL?e.toDataURL():e.src:this.src||""},setSrc:function(t,e,i){return fabric.util.loadImage(t,function(t){this.setElement(t,i),this._setWidthHeight(),e(this)},this,i&&i.crossOrigin),this},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.canvas?this.canvas.getRetinaScaling():1,i=this.minimumScaleTrigger,r=this.scaleX*e,n=this.scaleY*e,s=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||i<r&&i<n)return this._element=s,this._filterScalingX=1,void(this._filterScalingY=1);fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend());var o=fabric.util.createCanvasElement(),a=this._filteredEl?this.cacheKey:this.cacheKey+"_filtered",h=s.width,c=s.height;o.width=h,o.height=c,this._element=o,t.scaleX=r,t.scaleY=n,fabric.filterBackend.applyFilters([t],s,h,c,this._element,a),this._filterScalingX=o.width/this._originalElement.width,this._filterScalingY=o.height/this._originalElement.height},applyFilters:function(t){if(t=(t=t||this.filters||[]).filter(function(t){return t}),this.group&&this.set("dirty",!0),0===t.length)return this._element=this._originalElement,this._filteredEl=null,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){var n=fabric.util.createCanvasElement();n.width=i,n.height=r,this._element=n,this._filteredEl=n}else this._element.getContext("2d").clearRect(0,0,i,r);return fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend()),fabric.filterBackend.applyFilters(t,this._originalElement,i,r,this._element,this.cacheKey),this._originalElement.width===this._element.width&&this._originalElement.height===this._element.height||(this._filterScalingX=this._element.width/this._originalElement.width,this._filterScalingY=this._element.height/this._originalElement.height),this},_render:function(t){!1===this.isMoving&&this.resizeFilter&&this._needsResize()&&(this._lastScaleX=this.scaleX,this._lastScaleY=this.scaleY,this.applyResizeFilters()),this._stroke(t),this._renderPaintInOrder(t)},_renderFill:function(t){var e=this.width,i=this.height,r=e*this._filterScalingX,n=i*this._filterScalingY,s=-e/2,o=-i/2,a=this._element;a&&t.drawImage(a,this.cropX*this._filterScalingX,this.cropY*this._filterScalingY,r,n,s,o,e,i)},_needsResize:function(){return this.scaleX!==this._lastScaleX||this.scaleY!==this._lastScaleY},_resetWidthHeight:function(){var t=this.getElement();this.set("width",t.width),this.set("height",t.height)},_initElement:function(t,e){this.setElement(fabric.util.getById(t),e),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(t,e){t&&t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){this.width=t&&"width"in t?t.width:this.getElement()&&this.getElement().width||0,this.height=t&&"height"in t?t.height:this.getElement()&&this.getElement().height||0},parsePreserveAspectRatioAttribute:function(){var t,e=fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio||""),i=this._element.width,r=this._element.height,n=1,s=1,o=0,a=0,h=0,c=0,l=this.width,u=this.height,f={width:l,height:u};return!e||"none"===e.alignX&&"none"===e.alignY?(n=l/i,s=u/r):("meet"===e.meetOrSlice&&(t=(l-i*(n=s=fabric.util.findScaleToFit(this._element,f)))/2,"Min"===e.alignX&&(o=-t),"Max"===e.alignX&&(o=t),t=(u-r*s)/2,"Min"===e.alignY&&(a=-t),"Max"===e.alignY&&(a=t)),"slice"===e.meetOrSlice&&(t=i-l/(n=s=fabric.util.findScaleToCover(this._element,f)),"Mid"===e.alignX&&(h=t/2),"Max"===e.alignX&&(h=t),t=r-u/s,"Mid"===e.alignY&&(c=t/2),"Max"===e.alignY&&(c=t),i=l/n,r=u/s)),{width:i,height:r,scaleX:n,scaleY:s,offsetLeft:o,offsetTop:a,cropX:h,cropY:c}}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(t,r){var n=fabric.util.object.clone(t);fabric.util.loadImage(n.src,function(i,t){t?r&&r(null,t):fabric.Image.prototype._initFilters.call(n,n.filters,function(t){n.filters=t||[],fabric.Image.prototype._initFilters.call(n,[n.resizeFilter],function(t){n.resizeFilter=t[0];var e=new fabric.Image(i,n);r(e)})})},null,n.crossOrigin)},fabric.Image.fromURL=function(t,e,i){fabric.util.loadImage(t,function(t){e&&e(new fabric.Image(t,i))},null,i&&i.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")),fabric.Image.fromElement=function(t,e,i){var r=fabric.parseAttributes(t,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(r["xlink:href"],e,n(i?fabric.util.object.clone(i):{},r))})}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.angle%360;return 0<t?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.rotate(this._getAngleValueForStraighten()),this},fxStraighten:function(t){var e=function(){},i=(t=t||{}).onComplete||e,r=t.onChange||e,n=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){n.rotate(t),r()},onComplete:function(){n.setCoords(),i()}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.requestRenderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.requestRenderAllBound}),this}}),function(){"use strict";function t(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}fabric.isWebglSupported=function(t){if(fabric.isLikelyNode)return!1;t=t||fabric.WebglFilterBackend.prototype.tileSize;var e,i,r,n=document.createElement("canvas"),s=n.getContext("webgl")||n.getContext("experimental-webgl"),o=!1;if(s){fabric.maxTextureSize=s.getParameter(s.MAX_TEXTURE_SIZE),o=fabric.maxTextureSize>=t;for(var a=["highp","mediump","lowp"],h=0;h<3;h++)if(void 0,i="precision "+a[h]+" float;\nvoid main(){}",r=(e=s).createShader(e.FRAGMENT_SHADER),e.shaderSource(r,i),e.compileShader(r),e.getShaderParameter(r,e.COMPILE_STATUS)){fabric.webGlPrecision=a[h];break}}return this.isSupported=o},(fabric.WebglFilterBackend=t).prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.aPosition=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(t,e)},chooseFastestCopyGLTo2DMethod:function(t,e){var i,r=void 0!==window.performance;try{new ImageData(1,1),i=!0}catch(t){i=!1}var n="undefined"!=typeof ArrayBuffer,s="undefined"!=typeof Uint8ClampedArray;if(r&&i&&n&&s){var o,a,h=fabric.util.createCanvasElement(),c=new ArrayBuffer(t*e*4),l={imageBuffer:c,destinationWidth:t,destinationHeight:e,targetCanvas:h};h.width=t,h.height=e,o=window.performance.now(),copyGLTo2DDrawImage.call(l,this.gl,l),a=window.performance.now()-o,o=window.performance.now(),copyGLTo2DPutImageData.call(l,this.gl,l),window.performance.now()-o<a?(this.imageBuffer=c,this.copyGLTo2D=copyGLTo2DPutImageData):this.copyGLTo2D=copyGLTo2DDrawImage}},createWebGLCanvas:function(t,e){var i=fabric.util.createCanvasElement();i.width=t,i.height=e;var r={alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1},n=i.getContext("webgl",r);n||(n=i.getContext("experimental-webgl",r)),n&&(n.clearColor(0,0,0,0),this.canvas=i,this.gl=n)},applyFilters:function(t,e,i,r,n,s){var o,a=this.gl;s&&(o=this.getCachedTexture(s,e));var h={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:r,destinationWidth:i,destinationHeight:r,context:a,sourceTexture:this.createTexture(a,i,r,!o&&e),targetTexture:this.createTexture(a,i,r),originalTexture:o||this.createTexture(a,i,r,!o&&e),passes:t.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:n},c=a.createFramebuffer();return a.bindFramebuffer(a.FRAMEBUFFER,c),t.forEach(function(t){t&&t.applyTo(h)}),resizeCanvasIfNeeded(h),this.copyGLTo2D(a,h),a.bindTexture(a.TEXTURE_2D,null),a.deleteTexture(h.sourceTexture),a.deleteTexture(h.targetTexture),a.deleteFramebuffer(c),n.getContext("2d").setTransform(1,0,0,1,0,0),h},applyFiltersDebug:function(t,e,i,r,n,s){var o=this.gl,a=this.applyFilters(t,e,i,r,n,s),h=o.getError();if(h!==o.NO_ERROR){var c=this.glErrorToString(o,h),l=new Error("WebGL Error "+c);throw l.glErrorCode=h,l}return a},glErrorToString:function(t,e){if(!t)return"Context undefined for error code: "+e;if("number"!=typeof e)return"Error code is not a number";switch(e){case t.NO_ERROR:return"NO_ERROR";case t.INVALID_ENUM:return"INVALID_ENUM";case t.INVALID_VALUE:return"INVALID_VALUE";case t.INVALID_OPERATION:return"INVALID_OPERATION";case t.INVALID_FRAMEBUFFER_OPERATION:return"INVALID_FRAMEBUFFER_OPERATION";case t.OUT_OF_MEMORY:return"OUT_OF_MEMORY";case t.CONTEXT_LOST_WEBGL:return"CONTEXT_LOST_WEBGL";default:return"UNKNOWN_ERROR"}},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,r){var n=t.createTexture();return t.bindTexture(t.TEXTURE_2D,n),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),r?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),n},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},copyGLTo2D:copyGLTo2DDrawImage,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e=t.getExtension("WEBGL_debug_renderer_info"),i={renderer:"",vendor:""};if(e){var r=t.getParameter(e.UNMASKED_RENDERER_WEBGL),n=t.getParameter(e.UNMASKED_VENDOR_WEBGL);r&&(i.renderer=r.toLowerCase()),n&&(i.vendor=n.toLowerCase())}return this.gpuInfo=i}}}(),function(){"use strict";var t=function(){};function e(){}(fabric.Canvas2dFilterBackend=e).prototype={evictCachesForKey:t,dispose:t,clearWebGLCaches:t,resources:{},applyFilters:function(t,e,i,r,n){var s=n.getContext("2d");s.drawImage(e,0,0,i,r);var o={sourceWidth:i,sourceHeight:r,imageData:s.getImageData(0,0,i,r),originalEl:e,originalImageData:s.getImageData(0,0,i,r),canvasEl:n,ctx:s,filterBackend:this};return t.forEach(function(t){t.applyTo(o)}),o.imageData.width===i&&o.imageData.height===r||(n.width=o.imageData.width,n.height=o.imageData.height),s.putImageData(o.imageData,0,0),o}}}(),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aPosition;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2D uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){e=e||this.fragmentSource,i=i||this.vertexSource,"highp"!==fabric.webGlPrecision&&(e=e.replace(/precision highp float/g,"precision "+fabric.webGlPrecision+" float"));var r=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(r,i),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error("Vertex shader compile error for "+this.type+": "+t.getShaderInfoLog(r));var n=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(n,e),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new Error("Fragment shader compile error for "+this.type+": "+t.getShaderInfoLog(n));var s=t.createProgram();if(t.attachShader(s,r),t.attachShader(s,n),t.linkProgram(s),!t.getProgramParameter(s,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(s));var o=this.getAttributeLocations(t,s),a=this.getUniformLocations(t,s)||{};return a.uStepW=t.getUniformLocation(s,"uStepW"),a.uStepH=t.getUniformLocation(s,"uStepH"),{program:s,attributeLocations:o,uniformLocations:a}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition")}},getUniformLocations:function(){return{}},sendAttributeData:function(t,e,i){var r=e.aPosition,n=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,n),t.enableVertexAttribArray(r),t.vertexAttribPointer(r,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)},_setupFrameBuffer:function(t){var e,i,r=t.context;1<t.passes?(e=t.destinationWidth,i=t.destinationHeight,t.sourceWidth===e&&t.sourceHeight===i||(r.deleteTexture(t.targetTexture),t.targetTexture=t.filterBackend.createTexture(r,e,i)),r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0,r.TEXTURE_2D,t.targetTexture,0)):(r.bindFramebuffer(r.FRAMEBUFFER,null),r.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){return!1},applyTo:function(t){if(t.webgl){if(1<t.passes&&this.isNeutralState(t))return;this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)}else this.isNeutralState()||this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.aPosition),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.destinationWidth,t.destinationHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),fabric.Image.filters.BaseFilter.fromObject=function(t,e){var i=new fabric.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.ColorMatrix=r(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},isNeutralState:function(){for(var t=i.ColorMatrix,e=20;e--;)if(this.matrix[e]!==t.prototype.matrix[e])return!1;return!0},applyTo2d:function(t){var e,i,r,n,s,o=t.imageData.data,a=o.length,h=this.matrix,c=this.colorsOnly;for(s=0;s<a;s+=4)e=o[s],i=o[s+1],r=o[s+2],c?(o[s]=e*h[0]+i*h[1]+r*h[2]+255*h[4],o[s+1]=e*h[5]+i*h[6]+r*h[7]+255*h[9],o[s+2]=e*h[10]+i*h[11]+r*h[12]+255*h[14]):(n=o[s+3],o[s]=e*h[0]+i*h[1]+r*h[2]+n*h[3]+255*h[4],o[s+1]=e*h[5]+i*h[6]+r*h[7]+n*h[8]+255*h[9],o[s+2]=e*h[10]+i*h[11]+r*h[12]+n*h[13]+255*h[14],o[s+3]=e*h[15]+i*h[16]+r*h[17]+n*h[18]+255*h[19])},getUniformLocations:function(t,e){return{uColorMatrix:t.getUniformLocation(e,"uColorMatrix"),uConstants:t.getUniformLocation(e,"uConstants")}},sendUniformData:function(t,e){var i=this.matrix,r=[i[0],i[1],i[2],i[3],i[5],i[6],i[7],i[8],i[10],i[11],i[12],i[13],i[15],i[16],i[17],i[18]],n=[i[4],i[9],i[14],i[19]];t.uniformMatrix4fv(e.uColorMatrix,!1,r),t.uniform4fv(e.uConstants,n)}}),e.Image.filters.ColorMatrix.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Brightness=r(i.BaseFilter,{type:"Brightness",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBrightness;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += uBrightness;\ngl_FragColor = color;\n}",brightness:0,mainParameter:"brightness",applyTo2d:function(t){if(0!==this.brightness){var e,i=t.imageData.data,r=i.length,n=Math.round(255*this.brightness);for(e=0;e<r;e+=4)i[e]=i[e]+n,i[e+1]=i[e+1]+n,i[e+2]=i[e+2]+n}},getUniformLocations:function(t,e){return{uBrightness:t.getUniformLocation(e,"uBrightness")}},sendUniformData:function(t,e){t.uniform1f(e.uBrightness,this.brightness)}}),e.Image.filters.Brightness.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.Convolute=n(r.BaseFilter,{type:"Convolute",opaque:!1,matrix:[0,0,0,0,1,0,0,0,0],fragmentSource:{Convolute_3_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_3_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_5_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_5_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_7_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_7_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_9_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_9_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}"},retrieveShader:function(t){var e=Math.sqrt(this.matrix.length),i=this.type+"_"+e+"_"+(this.opaque?1:0),r=this.fragmentSource[i];return t.programCache.hasOwnProperty(i)||(t.programCache[i]=this.createProgram(t.context,r)),t.programCache[i]},applyTo2d:function(t){var e,i,r,n,s,o,a,h,c,l,u,f,d,g=t.imageData,p=g.data,v=this.matrix,m=Math.round(Math.sqrt(v.length)),b=Math.floor(m/2),_=g.width,y=g.height,x=t.ctx.createImageData(_,y),C=x.data,S=this.opaque?1:0;for(u=0;u<y;u++)for(l=0;l<_;l++){for(s=4*(u*_+l),d=n=r=i=e=0;d<m;d++)for(f=0;f<m;f++)o=l+f-b,(a=u+d-b)<0||y<a||o<0||_<o||(h=4*(a*_+o),c=v[d*m+f],e+=p[h]*c,i+=p[h+1]*c,r+=p[h+2]*c,S||(n+=p[h+3]*c));C[s]=e,C[s+1]=i,C[s+2]=r,C[s+3]=S?p[s+3]:n}t.imageData=x},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Grayscale=r(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,r=t.imageData.data,n=r.length,s=this.mode;for(e=0;e<n;e+=4)"average"===s?i=(r[e]+r[e+1]+r[e+2])/3:"lightness"===s?i=(Math.min(r[e],r[e+1],r[e+2])+Math.max(r[e],r[e+1],r[e+2]))/2:"luminosity"===s&&(i=.21*r[e]+.72*r[e+1]+.07*r[e+2]),r[e]=i,r[e+1]=i,r[e+2]=i},retrieveShader:function(t){var e=this.type+"_"+this.mode;if(!t.programCache.hasOwnProperty(e)){var i=this.fragmentSource[this.mode];t.programCache[e]=this.createProgram(t.context,i)}return t.programCache[e]},getUniformLocations:function(t,e){return{uMode:t.getUniformLocation(e,"uMode")}},sendUniformData:function(t,e){t.uniform1i(e.uMode,1)}}),e.Image.filters.Grayscale.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Invert=r(i.BaseFilter,{type:"Invert",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uInvert;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nif (uInvert == 1) {\ngl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,color.a);\n} else {\ngl_FragColor = color;\n}\n}",invert:!0,mainParameter:"invert",applyTo2d:function(t){if(this.invert){var e,i=t.imageData.data,r=i.length;for(e=0;e<r;e+=4)i[e]=255-i[e],i[e+1]=255-i[e+1],i[e+2]=255-i[e+2]}},getUniformLocations:function(t,e){return{uInvert:t.getUniformLocation(e,"uInvert")}},sendUniformData:function(t,e){t.uniform1i(e.uInvert,this.invert)}}),e.Image.filters.Invert.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.Noise=n(r.BaseFilter,{type:"Noise",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uStepH;\nuniform float uNoise;\nuniform float uSeed;\nvarying vec2 vTexCoord;\nfloat rand(vec2 co, float seed, float vScale) {\nreturn fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n}\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\ngl_FragColor = color;\n}",mainParameter:"noise",noise:0,applyTo2d:function(t){if(0!==this.noise){var e,i,r=t.imageData.data,n=r.length,s=this.noise;for(e=0,n=r.length;e<n;e+=4)i=(.5-Math.random())*s,r[e]+=i,r[e+1]+=i,r[e+2]+=i}},getUniformLocations:function(t,e){return{uNoise:t.getUniformLocation(e,"uNoise"),uSeed:t.getUniformLocation(e,"uSeed")}},sendUniformData:function(t,e){t.uniform1f(e.uNoise,this.noise/255),t.uniform1f(e.uSeed,Math.random())},toObject:function(){return i(this.callSuper("toObject"),{noise:this.noise})}}),e.Image.filters.Noise.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Pixelate=r(i.BaseFilter,{type:"Pixelate",blocksize:4,mainParameter:"blocksize",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBlocksize;\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nfloat blockW = uBlocksize * uStepW;\nfloat blockH = uBlocksize * uStepW;\nint posX = int(vTexCoord.x / blockW);\nint posY = int(vTexCoord.y / blockH);\nfloat fposX = float(posX);\nfloat fposY = float(posY);\nvec2 squareCoords = vec2(fposX * blockW, fposY * blockH);\nvec4 color = texture2D(uTexture, squareCoords);\ngl_FragColor = color;\n}",applyTo2d:function(t){if(1!==this.blocksize){var e,i,r,n,s,o,a,h,c,l,u,f=t.imageData,d=f.data,g=f.height,p=f.width;for(i=0;i<g;i+=this.blocksize)for(r=0;r<p;r+=this.blocksize)for(n=d[e=4*i*p+4*r],s=d[e+1],o=d[e+2],a=d[e+3],l=Math.min(i+this.blocksize,g),u=Math.min(r+this.blocksize,p),h=i;h<l;h++)for(c=r;c<u;c++)d[e=4*h*p+4*c]=n,d[e+1]=s,d[e+2]=o,d[e+3]=a}},isNeutralState:function(){return 1===this.blocksize},getUniformLocations:function(t,e){return{uBlocksize:t.getUniformLocation(e,"uBlocksize"),uStepW:t.getUniformLocation(e,"uStepW"),uStepH:t.getUniformLocation(e,"uStepH")}},sendUniformData:function(t,e){t.uniform1f(e.uBlocksize,this.blocksize)}}),e.Image.filters.Pixelate.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var l=t.fabric||(t.fabric={}),e=l.util.object.extend,i=l.Image.filters,r=l.util.createClass;i.RemoveColor=r(i.BaseFilter,{type:"RemoveColor",color:"#FFFFFF",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uLow;\nuniform vec4 uHigh;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\nif(all(greaterThan(gl_FragColor.rgb,uLow.rgb)) && all(greaterThan(uHigh.rgb,gl_FragColor.rgb))) {\ngl_FragColor.a = 0.0;\n}\n}",distance:.02,useAlpha:!1,applyTo2d:function(t){var e,i,r,n,s=t.imageData.data,o=255*this.distance,a=new l.Color(this.color).getSource(),h=[a[0]-o,a[1]-o,a[2]-o],c=[a[0]+o,a[1]+o,a[2]+o];for(e=0;e<s.length;e+=4)i=s[e],r=s[e+1],n=s[e+2],h[0]<i&&h[1]<r&&h[2]<n&&i<c[0]&&r<c[1]&&n<c[2]&&(s[e+3]=0)},getUniformLocations:function(t,e){return{uLow:t.getUniformLocation(e,"uLow"),uHigh:t.getUniformLocation(e,"uHigh")}},sendUniformData:function(t,e){var i=new l.Color(this.color).getSource(),r=parseFloat(this.distance),n=[0+i[0]/255-r,0+i[1]/255-r,0+i[2]/255-r,1],s=[i[0]/255+r,i[1]/255+r,i[2]/255+r,1];t.uniform4fv(e.uLow,n),t.uniform4fv(e.uHigh,s)},toObject:function(){return e(this.callSuper("toObject"),{color:this.color,distance:this.distance})}}),l.Image.filters.RemoveColor.fromObject=l.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass,n={Brownie:[.5997,.34553,-.27082,0,.186,-.0377,.86095,.15059,0,-.1449,.24113,-.07441,.44972,0,-.02965,0,0,0,1,0],Vintage:[.62793,.32021,-.03965,0,.03784,.02578,.64411,.03259,0,.02926,.0466,-.08512,.52416,0,.02023,0,0,0,1,0],Kodachrome:[1.12855,-.39673,-.03992,0,.24991,-.16404,1.08352,-.05498,0,.09698,-.16786,-.56034,1.60148,0,.13972,0,0,0,1,0],Technicolor:[1.91252,-.85453,-.09155,0,.04624,-.30878,1.76589,-.10601,0,-.27589,-.2311,-.75018,1.84759,0,.12137,0,0,0,1,0],Polaroid:[1.438,-.062,-.062,0,0,-.122,1.378,-.122,0,0,-.016,-.016,1.483,0,0,0,0,0,1,0],Sepia:[.393,.769,.189,0,0,.349,.686,.168,0,0,.272,.534,.131,0,0,0,0,0,1,0],BlackWhite:[1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,0,0,0,1,0]};for(var s in n)i[s]=r(i.ColorMatrix,{type:s,matrix:n[s],mainParameter:!1,colorsOnly:!0}),e.Image.filters[s].fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var f=t.fabric,e=f.Image.filters,i=f.util.createClass;e.BlendColor=i(e.BaseFilter,{type:"BlendColor",color:"#F95C63",mode:"multiply",alpha:1,fragmentSource:{multiply:"gl_FragColor.rgb *= uColor.rgb;\n",screen:"gl_FragColor.rgb = 1.0 - (1.0 - gl_FragColor.rgb) * (1.0 - uColor.rgb);\n",add:"gl_FragColor.rgb += uColor.rgb;\n",diff:"gl_FragColor.rgb = abs(gl_FragColor.rgb - uColor.rgb);\n",subtract:"gl_FragColor.rgb -= uColor.rgb;\n",lighten:"gl_FragColor.rgb = max(gl_FragColor.rgb, uColor.rgb);\n",darken:"gl_FragColor.rgb = min(gl_FragColor.rgb, uColor.rgb);\n",exclusion:"gl_FragColor.rgb += uColor.rgb - 2.0 * (uColor.rgb * gl_FragColor.rgb);\n",overlay:"if (uColor.r < 0.5) {\ngl_FragColor.r *= 2.0 * uColor.r;\n} else {\ngl_FragColor.r = 1.0 - 2.0 * (1.0 - gl_FragColor.r) * (1.0 - uColor.r);\n}\nif (uColor.g < 0.5) {\ngl_FragColor.g *= 2.0 * uColor.g;\n} else {\ngl_FragColor.g = 1.0 - 2.0 * (1.0 - gl_FragColor.g) * (1.0 - uColor.g);\n}\nif (uColor.b < 0.5) {\ngl_FragColor.b *= 2.0 * uColor.b;\n} else {\ngl_FragColor.b = 1.0 - 2.0 * (1.0 - gl_FragColor.b) * (1.0 - uColor.b);\n}\n",tint:"gl_FragColor.rgb *= (1.0 - uColor.a);\ngl_FragColor.rgb += uColor.rgb;\n"},buildSource:function(t){return"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ngl_FragColor = color;\nif (color.a > 0.0) {\n"+this.fragmentSource[t]+"}\n}"},retrieveShader:function(t){var e,i=this.type+"_"+this.mode;return t.programCache.hasOwnProperty(i)||(e=this.buildSource(this.mode),t.programCache[i]=this.createProgram(t.context,e)),t.programCache[i]},applyTo2d:function(t){var e,i,r,n,s,o,a,h=t.imageData.data,c=h.length,l=1-this.alpha;e=(a=new f.Color(this.color).getSource())[0]*this.alpha,i=a[1]*this.alpha,r=a[2]*this.alpha;for(var u=0;u<c;u+=4)switch(n=h[u],s=h[u+1],o=h[u+2],this.mode){case"multiply":h[u]=n*e/255,h[u+1]=s*i/255,h[u+2]=o*r/255;break;case"screen":h[u]=255-(255-n)*(255-e)/255,h[u+1]=255-(255-s)*(255-i)/255,h[u+2]=255-(255-o)*(255-r)/255;break;case"add":h[u]=n+e,h[u+1]=s+i,h[u+2]=o+r;break;case"diff":case"difference":h[u]=Math.abs(n-e),h[u+1]=Math.abs(s-i),h[u+2]=Math.abs(o-r);break;case"subtract":h[u]=n-e,h[u+1]=s-i,h[u+2]=o-r;break;case"darken":h[u]=Math.min(n,e),h[u+1]=Math.min(s,i),h[u+2]=Math.min(o,r);break;case"lighten":h[u]=Math.max(n,e),h[u+1]=Math.max(s,i),h[u+2]=Math.max(o,r);break;case"overlay":h[u]=e<128?2*n*e/255:255-2*(255-n)*(255-e)/255,h[u+1]=i<128?2*s*i/255:255-2*(255-s)*(255-i)/255,h[u+2]=r<128?2*o*r/255:255-2*(255-o)*(255-r)/255;break;case"exclusion":h[u]=e+n-2*e*n/255,h[u+1]=i+s-2*i*s/255,h[u+2]=r+o-2*r*o/255;break;case"tint":h[u]=e+n*l,h[u+1]=i+s*l,h[u+2]=r+o*l}},getUniformLocations:function(t,e){return{uColor:t.getUniformLocation(e,"uColor")}},sendUniformData:function(t,e){var i=new f.Color(this.color).getSource();i[0]=this.alpha*i[0]/255,i[1]=this.alpha*i[1]/255,i[2]=this.alpha*i[2]/255,i[3]=this.alpha,t.uniform4fv(e.uColor,i)},toObject:function(){return{type:this.type,color:this.color,mode:this.mode,alpha:this.alpha}}}),f.Image.filters.BlendColor.fromObject=f.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var n=t.fabric,e=n.Image.filters,i=n.util.createClass;e.BlendImage=i(e.BaseFilter,{type:"BlendImage",image:null,mode:"multiply",alpha:1,vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nuniform mat3 uTransformMatrix;\nvoid main() {\nvTexCoord = aPosition;\nvTexCoord2 = (uTransformMatrix * vec3(aPosition, 1.0)).xy;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:{multiply:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.rgba *= color2.rgba;\ngl_FragColor = color;\n}",mask:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.a = color2.a;\ngl_FragColor = color;\n}"},retrieveShader:function(t){var e=this.type+"_"+this.mode,i=this.fragmentSource[this.mode];return t.programCache.hasOwnProperty(e)||(t.programCache[e]=this.createProgram(t.context,i)),t.programCache[e]},applyToWebGL:function(t){var e=t.context,i=this.createTexture(t.filterBackend,this.image);this.bindAdditionalTexture(e,i,e.TEXTURE1),this.callSuper("applyToWebGL",t),this.unbindAdditionalTexture(e,e.TEXTURE1)},createTexture:function(t,e){return t.getCachedTexture(e.cacheKey,e._element)},calculateMatrix:function(){var t=this.image,e=t._element.width,i=t._element.height;return[1/t.scaleX,0,0,0,1/t.scaleY,0,-t.left/e,-t.top/i,1]},applyTo2d:function(t){var e,i,r,n,s,o,a,h,c,l,u,f=t.imageData,d=t.filterBackend.resources,g=f.data,p=g.length,v=t.imageData.width,m=t.imageData.height,b=this.image;d.blendImage||(d.blendImage=document.createElement("canvas")),(c=d.blendImage).width===v&&c.height===m||(c.width=v,c.height=m),(l=c.getContext("2d")).setTransform(b.scaleX,0,0,b.scaleY,b.left,b.top),l.drawImage(b._element,0,0,v,m),u=l.getImageData(0,0,v,m).data;for(var _=0;_<p;_+=4)switch(s=g[_],o=g[_+1],a=g[_+2],h=g[_+3],e=u[_],i=u[_+1],r=u[_+2],n=u[_+3],this.mode){case"multiply":g[_]=s*e/255,g[_+1]=o*i/255,g[_+2]=a*r/255,g[_+3]=h*n/255;break;case"mask":g[_+3]=n}},getUniformLocations:function(t,e){return{uTransformMatrix:t.getUniformLocation(e,"uTransformMatrix"),uImage:t.getUniformLocation(e,"uImage")}},sendUniformData:function(t,e){var i=this.calculateMatrix();t.uniform1i(e.uImage,1),t.uniformMatrix3fv(e.uTransformMatrix,!1,i)},toObject:function(){return{type:this.type,image:this.image&&this.image.toObject(),mode:this.mode,alpha:this.alpha}}}),n.Image.filters.BlendImage.fromObject=function(i,r){n.Image.fromObject(i.image,function(t){var e=n.util.object.clone(i);e.image=t,r(new n.Image.filters.BlendImage(e))})}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var m=t.fabric||(t.fabric={}),A=Math.pow,P=Math.floor,F=Math.sqrt,M=Math.abs,c=Math.round,r=Math.sin,I=Math.ceil,e=m.Image.filters,i=m.util.createClass;e.Resize=i(e.BaseFilter,{type:"Resize",resizeType:"hermite",scaleX:0,scaleY:0,lanczosLobes:3,getUniformLocations:function(t,e){return{uDelta:t.getUniformLocation(e,"uDelta"),uTaps:t.getUniformLocation(e,"uTaps")}},sendUniformData:function(t,e){t.uniform2fv(e.uDelta,this.horizontal?[1/this.width,0]:[0,1/this.height]),t.uniform1fv(e.uTaps,this.taps)},retrieveShader:function(t){var e=this.getFilterWindow(),i=this.type+"_"+e;if(!t.programCache.hasOwnProperty(i)){var r=this.generateShader(e);t.programCache[i]=this.createProgram(t.context,r)}return t.programCache[i]},getFilterWindow:function(){var t=this.tempScale;return Math.ceil(this.lanczosLobes/t)},getTaps:function(){for(var t=this.lanczosCreate(this.lanczosLobes),e=this.tempScale,i=this.getFilterWindow(),r=new Array(i),n=1;n<=i;n++)r[n-1]=t(n*e);return r},generateShader:function(t){for(var e=new Array(t),i=this.fragmentSourceTOP,r=1;r<=t;r++)e[r-1]=r+".0 * uDelta";return i+="uniform float uTaps["+t+"];\n",i+="void main() {\n",i+="  vec4 color = texture2D(uTexture, vTexCoord);\n",i+="  float sum = 1.0;\n",e.forEach(function(t,e){i+="  color += texture2D(uTexture, vTexCoord + "+t+") * uTaps["+e+"];\n",i+="  color += texture2D(uTexture, vTexCoord - "+t+") * uTaps["+e+"];\n",i+="  sum += 2.0 * uTaps["+e+"];\n"}),i+="  gl_FragColor = color / sum;\n",i+="}"},fragmentSourceTOP:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\n",applyTo:function(t){if(t.webgl){if(1<t.passes&&this.isNeutralState(t))return;t.passes++,this.width=t.sourceWidth,this.horizontal=!0,this.dW=Math.round(this.width*this.scaleX),this.dH=t.sourceHeight,this.tempScale=this.dW/this.width,this.taps=this.getTaps(),t.destinationWidth=this.dW,this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t),t.sourceWidth=t.destinationWidth,this.height=t.sourceHeight,this.horizontal=!1,this.dH=Math.round(this.height*this.scaleY),this.tempScale=this.dH/this.height,this.taps=this.getTaps(),t.destinationHeight=this.dH,this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t),t.sourceHeight=t.destinationHeight}else this.isNeutralState(t)||this.applyTo2d(t)},isNeutralState:function(t){var e=t.scaleX||this.scaleX,i=t.scaleY||this.scaleY;return 1===e&&1===i},lanczosCreate:function(i){return function(t){if(i<=t||t<=-i)return 0;if(t<1.1920929e-7&&-1.1920929e-7<t)return 1;var e=(t*=Math.PI)/i;return r(t)/t*r(e)/e}},applyTo2d:function(t){var e=t.imageData,i=this.scaleX,r=this.scaleY;this.rcpScaleX=1/i,this.rcpScaleY=1/r;var n,s=e.width,o=e.height,a=c(s*i),h=c(o*r);"sliceHack"===this.resizeType?n=this.sliceByTwo(t,s,o,a,h):"hermite"===this.resizeType?n=this.hermiteFastResize(t,s,o,a,h):"bilinear"===this.resizeType?n=this.bilinearFiltering(t,s,o,a,h):"lanczos"===this.resizeType&&(n=this.lanczosResize(t,s,o,a,h)),t.imageData=n},sliceByTwo:function(t,e,i,r,n){var s,o,a=t.imageData,h=!1,c=!1,l=.5*e,u=.5*i,f=m.filterBackend.resources,d=0,g=0,p=e,v=0;for(f.sliceByTwo||(f.sliceByTwo=document.createElement("canvas")),((s=f.sliceByTwo).width<1.5*e||s.height<i)&&(s.width=1.5*e,s.height=i),(o=s.getContext("2d")).clearRect(0,0,1.5*e,i),o.putImageData(a,0,0),r=P(r),n=P(n);!h||!c;)i=u,r<P(.5*(e=l))?l=P(.5*l):(l=r,h=!0),n<P(.5*u)?u=P(.5*u):(u=n,c=!0),o.drawImage(s,d,g,e,i,p,v,l,u),d=p,g=v,v+=u;return o.getImageData(d,g,r,n)},lanczosResize:function(t,g,p,v,m){var b=t.imageData.data,_=t.ctx.createImageData(v,m),y=_.data,x=this.lanczosCreate(this.lanczosLobes),C=this.rcpScaleX,S=this.rcpScaleY,w=2/this.rcpScaleX,T=2/this.rcpScaleY,O=I(C*this.lanczosLobes/2),k=I(S*this.lanczosLobes/2),D={},E={},j={};return function t(e){var i,r,n,s,o,a,h,c,l,u,f;for(E.x=(e+.5)*C,j.x=P(E.x),i=0;i<m;i++){for(E.y=(i+.5)*S,j.y=P(E.y),l=c=h=a=o=0,r=j.x-O;r<=j.x+O;r++)if(!(r<0||g<=r)){u=P(1e3*M(r-E.x)),D[u]||(D[u]={});for(var d=j.y-k;d<=j.y+k;d++)d<0||p<=d||(f=P(1e3*M(d-E.y)),D[u][f]||(D[u][f]=x(F(A(u*w,2)+A(f*T,2))/1e3)),0<(n=D[u][f])&&(o+=n,a+=n*b[s=4*(d*g+r)],h+=n*b[s+1],c+=n*b[s+2],l+=n*b[s+3]))}y[s=4*(i*v+e)]=a/o,y[s+1]=h/o,y[s+2]=c/o,y[s+3]=l/o}return++e<v?t(e):_}(0)},bilinearFiltering:function(t,e,i,r,n){var s,o,a,h,c,l,u,f,d,g=0,p=this.rcpScaleX,v=this.rcpScaleY,m=4*(e-1),b=t.imageData.data,_=t.ctx.createImageData(r,n),y=_.data;for(a=0;a<n;a++)for(h=0;h<r;h++)for(c=p*h-(s=P(p*h)),l=v*a-(o=P(v*a)),d=4*(o*e+s),u=0;u<4;u++)f=b[d+u]*(1-c)*(1-l)+b[d+4+u]*c*(1-l)+b[d+m+u]*l*(1-c)+b[d+m+4+u]*c*l,y[g++]=f;return _},hermiteFastResize:function(t,e,i,r,n){for(var s=this.rcpScaleX,o=this.rcpScaleY,a=I(s/2),h=I(o/2),c=t.imageData.data,l=t.ctx.createImageData(r,n),u=l.data,f=0;f<n;f++)for(var d=0;d<r;d++){for(var g=4*(d+f*r),p=0,v=0,m=0,b=0,_=0,y=0,x=0,C=(f+.5)*o,S=P(f*o);S<(f+1)*o;S++)for(var w=M(C-(S+.5))/h,T=(d+.5)*s,O=w*w,k=P(d*s);k<(d+1)*s;k++){var D=M(T-(k+.5))/a,E=F(O+D*D);1<E&&E<-1||0<(p=2*E*E*E-3*E*E+1)&&(x+=p*c[(D=4*(k+S*e))+3],m+=p,c[D+3]<255&&(p=p*c[D+3]/250),b+=p*c[D],_+=p*c[D+1],y+=p*c[D+2],v+=p)}u[g]=b/v,u[g+1]=_/v,u[g+2]=y/v,u[g+3]=x/m}return l},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),m.Image.filters.Resize.fromObject=m.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Contrast=r(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i=t.imageData.data,r=i.length,n=Math.floor(255*this.contrast),s=259*(n+255)/(255*(259-n));for(e=0;e<r;e+=4)i[e]=s*(i[e]-128)+128,i[e+1]=s*(i[e+1]-128)+128,i[e+2]=s*(i[e+2]-128)+128}},getUniformLocations:function(t,e){return{uContrast:t.getUniformLocation(e,"uContrast")}},sendUniformData:function(t,e){t.uniform1f(e.uContrast,this.contrast)}}),e.Image.filters.Contrast.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Saturation=r(i.BaseFilter,{type:"Saturation",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uSaturation;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat rgMax = max(color.r, color.g);\nfloat rgbMax = max(rgMax, color.b);\ncolor.r += rgbMax != color.r ? (rgbMax - color.r) * uSaturation : 0.00;\ncolor.g += rgbMax != color.g ? (rgbMax - color.g) * uSaturation : 0.00;\ncolor.b += rgbMax != color.b ? (rgbMax - color.b) * uSaturation : 0.00;\ngl_FragColor = color;\n}",saturation:0,mainParameter:"saturation",applyTo2d:function(t){if(0!==this.saturation){var e,i,r=t.imageData.data,n=r.length,s=-this.saturation;for(e=0;e<n;e+=4)i=Math.max(r[e],r[e+1],r[e+2]),r[e]+=i!==r[e]?(i-r[e])*s:0,r[e+1]+=i!==r[e+1]?(i-r[e+1])*s:0,r[e+2]+=i!==r[e+2]?(i-r[e+2])*s:0}},getUniformLocations:function(t,e){return{uSaturation:t.getUniformLocation(e,"uSaturation")}},sendUniformData:function(t,e){t.uniform1f(e.uSaturation,-this.saturation)}}),e.Image.filters.Saturation.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var g=t.fabric||(t.fabric={}),e=g.Image.filters,i=g.util.createClass;e.Blur=i(e.BaseFilter,{type:"Blur",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\nconst float nSamples = 15.0;\nvec3 v3offset = vec3(12.9898, 78.233, 151.7182);\nfloat random(vec3 scale) {\nreturn fract(sin(dot(gl_FragCoord.xyz, scale)) * 43758.5453);\n}\nvoid main() {\nvec4 color = vec4(0.0);\nfloat total = 0.0;\nfloat offset = random(v3offset);\nfor (float t = -nSamples; t <= nSamples; t++) {\nfloat percent = (t + offset - 0.5) / nSamples;\nfloat weight = 1.0 - abs(percent);\ncolor += texture2D(uTexture, vTexCoord + uDelta * percent) * weight;\ntotal += weight;\n}\ngl_FragColor = color / total;\n}",blur:0,mainParameter:"blur",applyTo:function(t){t.webgl?(this.aspectRatio=t.sourceWidth/t.sourceHeight,t.passes++,this._setupFrameBuffer(t),this.horizontal=!0,this.applyToWebGL(t),this._swapTextures(t),this._setupFrameBuffer(t),this.horizontal=!1,this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},applyTo2d:function(t){t.imageData=this.simpleBlur(t)},simpleBlur:function(t){var e,i,r=t.filterBackend.resources,n=t.imageData.width,s=t.imageData.height;r.blurLayer1||(r.blurLayer1=g.util.createCanvasElement(),r.blurLayer2=g.util.createCanvasElement()),e=r.blurLayer1,i=r.blurLayer2,e.width===n&&e.height===s||(i.width=e.width=n,i.height=e.height=s);var o,a,h,c,l=e.getContext("2d"),u=i.getContext("2d"),f=.06*this.blur*.5;for(l.putImageData(t.imageData,0,0),u.clearRect(0,0,n,s),c=-15;c<=15;c++)h=f*(a=c/15)*n+(o=(Math.random()-.5)/4),u.globalAlpha=1-Math.abs(a),u.drawImage(e,h,o),l.drawImage(i,0,0),u.globalAlpha=1,u.clearRect(0,0,i.width,i.height);for(c=-15;c<=15;c++)h=f*(a=c/15)*s+(o=(Math.random()-.5)/4),u.globalAlpha=1-Math.abs(a),u.drawImage(e,o,h),l.drawImage(i,0,0),u.globalAlpha=1,u.clearRect(0,0,i.width,i.height);t.ctx.drawImage(e,0,0);var d=t.ctx.getImageData(0,0,e.width,e.height);return l.globalAlpha=1,l.clearRect(0,0,e.width,e.height),d},getUniformLocations:function(t,e){return{delta:t.getUniformLocation(e,"uDelta")}},sendUniformData:function(t,e){var i=this.chooseRightDelta();t.uniform2fv(e.delta,i)},chooseRightDelta:function(){var t,e=1,i=[0,0];return this.horizontal?1<this.aspectRatio&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),e.Blur.fromObject=g.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Gamma=r(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",applyTo2d:function(t){var e,i=t.imageData.data,r=this.gamma,n=i.length,s=1/r[0],o=1/r[1],a=1/r[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,n=256;e<n;e++)this.rVals[e]=255*Math.pow(e/255,s),this.gVals[e]=255*Math.pow(e/255,o),this.bVals[e]=255*Math.pow(e/255,a);for(e=0,n=i.length;e<n;e+=4)i[e]=this.rVals[i[e]],i[e+1]=this.gVals[i[e+1]],i[e+2]=this.bVals[i[e+2]]},getUniformLocations:function(t,e){return{uGamma:t.getUniformLocation(e,"uGamma")}},sendUniformData:function(t,e){t.uniform3fv(e.uGamma,this.gamma)}}),e.Image.filters.Gamma.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var n=t.fabric||(t.fabric={}),e=n.Image.filters,i=n.util.createClass;e.Composed=i(e.BaseFilter,{type:"Composed",subFilters:[],initialize:function(t){this.callSuper("initialize",t),this.subFilters=this.subFilters.slice(0)},applyTo:function(e){e.passes+=this.subFilters.length-1,this.subFilters.forEach(function(t){t.applyTo(e)})},toObject:function(){return n.util.object.extend(this.callSuper("toObject"),{subFilters:this.subFilters.map(function(t){return t.toObject()})})}}),n.Image.filters.Composed.fromObject=function(t,e){var i=(t.subFilters||[]).map(function(t){return new n.Image.filters[t.type](t)}),r=new n.Image.filters.Composed({subFilters:i});return e&&e(r),r}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var s=t.fabric||(t.fabric={}),e=s.Image.filters,i=s.util.createClass;e.HueRotation=i(e.ColorMatrix,{type:"HueRotation",rotation:0,mainParameter:"rotation",calculateMatrix:function(){var t=this.rotation*Math.PI,e=s.util.cos(t),i=s.util.sin(t),r=Math.sqrt(1/3)*i,n=1-e;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]=e+n/3,this.matrix[1]=1/3*n-r,this.matrix[2]=1/3*n+r,this.matrix[5]=1/3*n+r,this.matrix[6]=e+1/3*n,this.matrix[7]=1/3*n-r,this.matrix[10]=1/3*n-r,this.matrix[11]=1/3*n+r,this.matrix[12]=e+1/3*n},applyTo:function(t){this.calculateMatrix(),s.Image.filters.BaseFilter.prototype.applyTo.call(this,t)}}),s.Image.filters.HueRotation.fromObject=s.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var d=t.fabric||(t.fabric={}),g=d.util.object.clone;d.Text?d.warn("fabric.Text is already defined"):(d.Text=d.util.createClass(d.Object,{_dimensionAffectingProps:["fontSize","fontWeight","fontFamily","fontStyle","lineHeight","text","charSpacing","textAlign","styles"],_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:d.Object.prototype.stateProperties.concat("fontFamily","fontWeight","fontSize","text","underline","overline","linethrough","textAlign","fontStyle","lineHeight","textBackgroundColor","charSpacing","styles"),cacheProperties:d.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"],__charBounds:[],CACHE_FONT_SIZE:400,MIN_TEXT_WIDTH:2,initialize:function(t,e){this.styles=e&&e.styles||{},this.text=t,this.__skipDimension=!0,this.callSuper("initialize",e),this.__skipDimension=!1,this.initDimensions(),this.setCoords(),this.setupState({propertySet:"_dimensionAffectingProps"})},getMeasuringContext:function(){return d._measuringContext||(d._measuringContext=this.canvas&&this.canvas.contextCache||d.util.createCanvasElement().getContext("2d")),d._measuringContext},_splitText:function(){var t=this._splitTextIntoLines(this.text);return this.textLines=t.lines,this._textLines=t.graphemeLines,this._unwrappedTextLines=t._unwrappedLines,this._text=t.graphemeText,t},initDimensions:function(){this.__skipDimension||(this._splitText(),this._clearCache(),this.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 t,e,i,r,n,s,o,a=0,h=this._textLines.length;a<h;a++)if(("justify"===this.textAlign||a!==h-1&&!this.isEndOfWrapping(a))&&(r=0,n=this._textLines[a],(e=this.getLineWidth(a))<this.width&&(o=this.textLines[a].match(this._reSpacesAndTabs)))){i=o.length,t=(this.width-e)/i;for(var c=0,l=n.length;c<=l;c++)s=this.__charBounds[a][c],this._reSpaceAndTab.test(n[c])?(s.width+=t,s.kernedWidth+=t,s.left+=r,r+=t):s.left+=r}},isEndOfWrapping:function(t){return t===this._textLines.length-1},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){"stroke"===this.paintFirst?(this._renderTextStroke(t),this._renderTextFill(t)):(this._renderTextFill(t),this._renderTextStroke(t))},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;e<i;e++){var r=this.getLineWidth(e);t<r&&(t=r)}return t},_renderTextLine:function(t,e,i,r,n,s){this._renderChars(t,e,i,r,n,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,r,n,s,o,a=0,h=t.fillStyle,c=this._getLeftOffset(),l=this._getTopOffset(),u=0,f=0,d=0,g=this._textLines.length;d<g;d++)if(e=this.getHeightOfLine(d),this.textBackgroundColor||this.styleHas("textBackgroundColor",d)){r=this._textLines[d],i=this._getLineLeftOffset(d),u=f=0,n=this.getValueOfPropertyAt(d,0,"textBackgroundColor");for(var p=0,v=r.length;p<v;p++)s=this.__charBounds[d][p],(o=this.getValueOfPropertyAt(d,p,"textBackgroundColor"))!==n?((t.fillStyle=n)&&t.fillRect(c+i+u,l+a,f,e/this.lineHeight),u=s.left,f=s.width,n=o):f+=s.kernedWidth;o&&(t.fillStyle=o,t.fillRect(c+i+u,l+a,f,e/this.lineHeight)),a+=e}else a+=e;t.fillStyle=h,this._removeShadow(t)}},getFontCache:function(t){var e=t.fontFamily.toLowerCase();d.charWidthsCache[e]||(d.charWidthsCache[e]={});var i=d.charWidthsCache[e],r=t.fontStyle.toLowerCase()+"_"+(t.fontWeight+"").toLowerCase();return i[r]||(i[r]={}),i[r]},_applyCharStyles:function(t,e,i,r,n){this._setFillStyles(e,n),this._setStrokeStyles(e,n),e.font=this._getFontDeclaration(n)},_measureChar:function(t,e,i,r){var n,s,o,a,h=this.getFontCache(e),c=i+t,l=this._getFontDeclaration(e)===this._getFontDeclaration(r),u=e.fontSize/this.CACHE_FONT_SIZE;if(i&&h[i]&&(o=h[i]),h[t]&&(a=n=h[t]),l&&h[c]&&(a=(s=h[c])-o),!n||!o||!s){var f=this.getMeasuringContext();this._setTextStyles(f,e,!0)}return n||(a=n=f.measureText(t).width,h[t]=n),!o&&l&&i&&(o=f.measureText(i).width,h[i]=o),l&&!s&&(s=f.measureText(c).width,a=(h[c]=s)-o),{width:n*u,kernedWidth:a*u}},getHeightOfChar:function(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")},measureLine:function(t){var e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e},_measureLine:function(t){var e,i,r,n,s=0,o=this._textLines[t],a=new Array(o.length);for(this.__charBounds[t]=a,e=0;e<o.length;e++)i=o[e],n=this._getGraphemeBox(i,t,e,r),s+=(a[e]=n).kernedWidth,r=i;return a[e]={left:n?n.left+n.width:0,width:0,kernedWidth:0,height:this.fontSize},{width:s,numOfSpaces:0}},_getGraphemeBox:function(t,e,i,r,n){var s,o=this.getCompleteStyleDeclaration(e,i),a=r?this.getCompleteStyleDeclaration(e,i-1):{},h=this._measureChar(t,o,r,a),c=h.kernedWidth,l=h.width;0!==this.charSpacing&&(l+=s=this._getWidthOfCharSpacing(),c+=s);var u={width:l,left:0,height:o.fontSize,kernedWidth:c,deltaY:o.deltaY};if(0<i&&!n){var f=this.__charBounds[e][i-1];u.left=f.left+f.width+h.kernedWidth-h.width}return u},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),r=1,n=e.length;r<n;r++)i=Math.max(this.getHeightOfChar(t,r),i);return this.__lineHeights[t]=i*this.lineHeight*this._fontSizeMult},calcTextHeight:function(){for(var t,e=0,i=0,r=this._textLines.length;i<r;i++)t=this.getHeightOfLine(i),e+=i===r-1?t/this.lineHeight:t;return e},_getLeftOffset:function(){return-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextCommon:function(t,e){t.save();for(var i=0,r=this._getLeftOffset(),n=this._getTopOffset(),s=this._applyPatternGradientTransform(t,"fillText"===e?this.fill:this.stroke),o=0,a=this._textLines.length;o<a;o++){var h=this.getHeightOfLine(o),c=h/this.lineHeight,l=this._getLineLeftOffset(o);this._renderTextLine(e,t,this._textLines[o],r+l-s.offsetX,n+i+c-s.offsetY,o),i+=h}t.restore()},_renderTextFill:function(t){(this.fill||this.styleHas("fill"))&&this._renderTextCommon(t,"fillText")},_renderTextStroke:function(t){(this.stroke&&0!==this.strokeWidth||!this.isEmptyStyles())&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray),t.beginPath(),this._renderTextCommon(t,"strokeText"),t.closePath(),t.restore())},_renderChars:function(t,e,i,r,n,s){var o,a,h,c,l=this.getHeightOfLine(s),u=-1!==this.textAlign.indexOf("justify"),f="",d=0,g=!u&&0===this.charSpacing&&this.isEmptyStyles(s);if(e.save(),n-=l*this._fontSizeFraction/this.lineHeight,g)return this._renderChar(t,e,s,0,this.textLines[s],r,n,l),void e.restore();for(var p=0,v=i.length-1;p<=v;p++)c=p===v||this.charSpacing,f+=i[p],h=this.__charBounds[s][p],0===d?(r+=h.kernedWidth-h.width,d+=h.width):d+=h.kernedWidth,u&&!c&&this._reSpaceAndTab.test(i[p])&&(c=!0),c||(o=o||this.getCompleteStyleDeclaration(s,p),a=this.getCompleteStyleDeclaration(s,p+1),c=this._hasStyleChanged(o,a)),c&&(this._renderChar(t,e,s,p,f,r,n,l),f="",o=a,r+=d,d=0);e.restore()},_renderChar:function(t,e,i,r,n,s,o){var a=this._getStyleDeclaration(i,r),h=this.getCompleteStyleDeclaration(i,r),c="fillText"===t&&h.fill,l="strokeText"===t&&h.stroke&&h.strokeWidth;(l||c)&&(a&&e.save(),this._applyCharStyles(t,e,i,r,h),a&&a.textBackgroundColor&&this._removeShadow(e),a&&a.deltaY&&(o+=a.deltaY),c&&e.fillText(n,s,o),l&&e.strokeText(n,s,o),a&&e.restore())},setSuperscript:function(t,e){return this._setScript(t,e,this.superscript)},setSubscript:function(t,e){return this._setScript(t,e,this.subscript)},_setScript:function(t,e,i){var r=this.get2DCursorLocation(t,!0),n=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,"fontSize"),s=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,"deltaY"),o={fontSize:n*i.size,deltaY:s+n*i.baseline};return this.setSelectionStyles(o,t,e),this},_hasStyleChanged:function(t,e){return t.fill!==e.fill||t.stroke!==e.stroke||t.strokeWidth!==e.strokeWidth||t.fontSize!==e.fontSize||t.fontFamily!==e.fontFamily||t.fontWeight!==e.fontWeight||t.fontStyle!==e.fontStyle||t.deltaY!==e.deltaY},_hasStyleChangedForSvg:function(t,e){return this._hasStyleChanged(t,e)||t.overline!==e.overline||t.underline!==e.underline||t.linethrough!==e.linethrough},_getLineLeftOffset:function(t){var e=this.getLineWidth(t);return"center"===this.textAlign?(this.width-e)/2:"right"===this.textAlign?this.width-e:"justify-center"===this.textAlign&&this.isEndOfWrapping(t)?(this.width-e)/2:"justify-right"===this.textAlign&&this.isEndOfWrapping(t)?this.width-e:0},_clearCache:function(){this.__lineWidths=[],this.__lineHeights=[],this.__charBounds=[]},_shouldClearDimensionCache:function(){var t=this._forceClearCache;return t||(t=this.hasStateChanged("_dimensionAffectingProps")),t&&(this.dirty=!0,this._forceClearCache=!1),t},getLineWidth:function(t){return this.__lineWidths[t]?this.__lineWidths[t]:(e=""===this._textLines[t]?0:this.measureLine(t).width,this.__lineWidths[t]=e);var e},_getWidthOfCharSpacing:function(){return 0!==this.charSpacing?this.fontSize*this.charSpacing/1e3:0},getValueOfPropertyAt:function(t,e,i){var r=this._getStyleDeclaration(t,e);return r&&void 0!==r[i]?r[i]:this[i]},_renderTextDecoration:function(t,e){if(this[e]||this.styleHas(e)){for(var i,r,n,s,o,a,h,c,l,u,f,d,g,p,v,m,b=this._getLeftOffset(),_=this._getTopOffset(),y=this._getWidthOfCharSpacing(),x=0,C=this._textLines.length;x<C;x++)if(i=this.getHeightOfLine(x),this[e]||this.styleHas(e,x)){h=this._textLines[x],p=i/this.lineHeight,s=this._getLineLeftOffset(x),f=u=0,c=this.getValueOfPropertyAt(x,0,e),m=this.getValueOfPropertyAt(x,0,"fill"),l=_+p*(1-this._fontSizeFraction),r=this.getHeightOfChar(x,0),o=this.getValueOfPropertyAt(x,0,"deltaY");for(var S=0,w=h.length;S<w;S++)d=this.__charBounds[x][S],g=this.getValueOfPropertyAt(x,S,e),v=this.getValueOfPropertyAt(x,S,"fill"),n=this.getHeightOfChar(x,S),a=this.getValueOfPropertyAt(x,S,"deltaY"),(g!==c||v!==m||n!==r||a!==o)&&0<f?(t.fillStyle=m,c&&m&&t.fillRect(b+s+u,l+this.offsets[e]*r+o,f,this.fontSize/15),u=d.left,f=d.width,c=g,m=v,r=n,o=a):f+=d.kernedWidth;t.fillStyle=v,g&&v&&t.fillRect(b+s+u,l+this.offsets[e]*r+o,f-y,this.fontSize/15),_+=i}else _+=i;this._removeShadow(t)}},_getFontDeclaration:function(t,e){var i=t||this,r=void 0===i.fontFamily||-1<i.fontFamily.indexOf("'")||-1<i.fontFamily.indexOf('"')?i.fontFamily:'"'+i.fontFamily+'"';return[d.isLikelyNode?i.fontWeight:i.fontStyle,d.isLikelyNode?i.fontStyle:i.fontWeight,e?this.CACHE_FONT_SIZE+"px":i.fontSize+"px",r].join(" ")},render:function(t){this.visible&&(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t)))},_splitTextIntoLines:function(t){for(var e=t.split(this._reNewline),i=new Array(e.length),r=["\n"],n=[],s=0;s<e.length;s++)i[s]=d.util.string.graphemeSplit(e[s]),n=n.concat(i[s],r);return n.pop(),{_unwrappedLines:i,lines:e,graphemeText:n,graphemeLines:i}},toObject:function(t){var e=["text","fontSize","fontWeight","fontFamily","fontStyle","lineHeight","underline","overline","linethrough","textAlign","textBackgroundColor","charSpacing"].concat(t),i=this.callSuper("toObject",e);return i.styles=g(this.styles,!0),i},set:function(t,e){this.callSuper("set",t,e);var i=!1;if("object"==typeof t)for(var r in t)i=i||-1!==this._dimensionAffectingProps.indexOf(r);else i=-1!==this._dimensionAffectingProps.indexOf(t);return i&&(this.initDimensions(),this.setCoords()),this},complexity:function(){return 1}}),d.Text.ATTRIBUTE_NAMES=d.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size letter-spacing text-decoration text-anchor".split(" ")),d.Text.DEFAULT_SVG_FONT_SIZE=16,d.Text.fromElement=function(t,e,i){if(!t)return e(null);var r=d.parseAttributes(t,d.Text.ATTRIBUTE_NAMES),n=r.textAnchor||"left";if((i=d.util.object.extend(i?g(i):{},r)).top=i.top||0,i.left=i.left||0,r.textDecoration){var s=r.textDecoration;-1!==s.indexOf("underline")&&(i.underline=!0),-1!==s.indexOf("overline")&&(i.overline=!0),-1!==s.indexOf("line-through")&&(i.linethrough=!0),delete i.textDecoration}"dx"in r&&(i.left+=r.dx),"dy"in r&&(i.top+=r.dy),"fontSize"in i||(i.fontSize=d.Text.DEFAULT_SVG_FONT_SIZE);var o="";"textContent"in t?o=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(o=t.firstChild.data),o=o.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var a=i.strokeWidth;i.strokeWidth=0;var h=new d.Text(o,i),c=h.getScaledHeight()/h.height,l=((h.height+h.strokeWidth)*h.lineHeight-h.height)*c,u=h.getScaledHeight()+l,f=0;"center"===n&&(f=h.getScaledWidth()/2),"right"===n&&(f=h.getScaledWidth()),h.set({left:h.left-f,top:h.top-(u-h.fontSize*(.07+h._fontSizeFraction))/h.lineHeight,strokeWidth:void 0!==a?a:1}),e(h)},d.Text.fromObject=function(t,e){return d.Object._fromObject("Text",t,e,"text")},d.util.createAccessors&&d.util.createAccessors(d.Text))}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Text.prototype,{isEmptyStyles:function(t){if(!this.styles)return!0;if(void 0!==t&&!this.styles[t])return!0;var e=void 0===t?this.styles:{line:this.styles[t]};for(var i in e)for(var r in e[i])for(var n in e[i][r])return!1;return!0},styleHas:function(t,e){if(!this.styles||!t||""===t)return!1;if(void 0!==e&&!this.styles[e])return!1;var i=void 0===e?this.styles:{line:this.styles[e]};for(var r in i)for(var n in i[r])if(void 0!==i[r][n][t])return!0;return!1},cleanStyle:function(t){if(!this.styles||!t||""===t)return!1;var e,i,r=this.styles,n=0,s=!0,o=0;for(var a in r){for(var h in e=0,r[a]){var c;n++,(c=r[a][h]).hasOwnProperty(t)?(i?c[t]!==i&&(s=!1):i=c[t],c[t]===this[t]&&delete c[t]):s=!1,0!==Object.keys(c).length?e++:delete r[a][h]}0===e&&delete r[a]}for(var l=0;l<this._textLines.length;l++)o+=this._textLines[l].length;s&&n===o&&(this[t]=i,this.removeStyle(t))},removeStyle:function(t){if(this.styles&&t&&""!==t){var e,i,r,n=this.styles;for(i in n){for(r in e=n[i])delete e[r][t],0===Object.keys(e[r]).length&&delete e[r];0===Object.keys(e).length&&delete n[i]}}},_extendStyles:function(t,e){var i=this.get2DCursorLocation(t);this._getLineStyle(i.lineIndex)||this._setLineStyle(i.lineIndex,{}),this._getStyleDeclaration(i.lineIndex,i.charIndex)||this._setStyleDeclaration(i.lineIndex,i.charIndex,{}),fabric.util.object.extend(this._getStyleDeclaration(i.lineIndex,i.charIndex),e)},get2DCursorLocation:function(t,e){void 0===t&&(t=this.selectionStart);for(var i=e?this._unwrappedTextLines:this._textLines,r=i.length,n=0;n<r;n++){if(t<=i[n].length)return{lineIndex:n,charIndex:t};t-=i[n].length+1}return{lineIndex:n-1,charIndex:i[n-1].length<t?i[n-1].length:t}},getSelectionStyles:function(t,e,i){void 0===t&&(t=this.selectionStart||0),void 0===e&&(e=this.selectionEnd||t);for(var r=[],n=t;n<e;n++)r.push(this.getStyleAtPosition(n,i));return r},getStyleAtPosition:function(t,e){var i=this.get2DCursorLocation(t);return(e?this.getCompleteStyleDeclaration(i.lineIndex,i.charIndex):this._getStyleDeclaration(i.lineIndex,i.charIndex))||{}},setSelectionStyles:function(t,e,i){void 0===e&&(e=this.selectionStart||0),void 0===i&&(i=this.selectionEnd||e);for(var r=e;r<i;r++)this._extendStyles(r,t);return this._forceClearCache=!0,this},_getStyleDeclaration:function(t,e){var i=this.styles&&this.styles[t];return i?i[e]:null},getCompleteStyleDeclaration:function(t,e){for(var i,r=this._getStyleDeclaration(t,e)||{},n={},s=0;s<this._styleProperties.length;s++)n[i=this._styleProperties[s]]=void 0===r[i]?this[i]:r[i];return n},_setStyleDeclaration:function(t,e,i){this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){delete this.styles[t][e]},_getLineStyle:function(t){return this.styles[t]},_setLineStyle:function(t,e){this.styles[t]=e},_deleteLineStyle:function(t){delete this.styles[t]}}),function(){function n(t){t.textDecoration&&(-1<t.textDecoration.indexOf("underline")&&(t.underline=!0),-1<t.textDecoration.indexOf("line-through")&&(t.linethrough=!0),-1<t.textDecoration.indexOf("overline")&&(t.overline=!0),delete t.textDecoration)}fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},initDimensions:function(){this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this.callSuper("initDimensions")},render:function(t){this.clearContextTop(),this.callSuper("render",t),this.cursorOffsetCache={},this.renderCursorOrSelection()},_render:function(t){this.callSuper("_render",t)},clearContextTop:function(t){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var e=this.canvas.contextTop,i=this.canvas.viewportTransform;e.save(),e.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this.transform(e),this.transformMatrix&&e.transform.apply(e,this.transformMatrix),this._clearTextArea(e),t||e.restore()}},renderCursorOrSelection:function(){if(this.isEditing&&this.canvas){var t,e=this._getCursorBoundaries();this.canvas&&this.canvas.contextTop?(t=this.canvas.contextTop,this.clearContextTop(!0)):(t=this.canvas.contextContainer).save(),this.selectionStart===this.selectionEnd?this.renderCursor(e,t):this.renderSelection(e,t),t.restore()}},_clearTextArea:function(t){var e=this.width+4,i=this.height+4;t.clearRect(-e/2,-i/2,e,i)},_getCursorBoundaries:function(t){void 0===t&&(t=this.selectionStart);var e=this._getLeftOffset(),i=this._getTopOffset(),r=this._getCursorBoundariesOffsets(t);return{left:e,top:i,leftOffset:r.left,topOffset:r.top}},_getCursorBoundariesOffsets:function(t){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache)return this.cursorOffsetCache;var e,i,r,n,s=0,o=0,a=this.get2DCursorLocation(t);r=a.charIndex,i=a.lineIndex;for(var h=0;h<i;h++)s+=this.getHeightOfLine(h);e=this._getLineLeftOffset(i);var c=this.__charBounds[i][r];return c&&(o=c.left),0!==this.charSpacing&&r===this._textLines[i].length&&(o-=this._getWidthOfCharSpacing()),n={top:s,left:e+(0<o?o:0)},this.cursorOffsetCache=n,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),r=i.lineIndex,n=0<i.charIndex?i.charIndex-1:0,s=this.getValueOfPropertyAt(r,n,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,h=t.topOffset,c=this.getValueOfPropertyAt(r,n,"deltaY");h+=(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.getValueOfPropertyAt(r,n,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,h+t.top+c,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,r=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,n=-1!==this.textAlign.indexOf("justify"),s=this.get2DCursorLocation(i),o=this.get2DCursorLocation(r),a=s.lineIndex,h=o.lineIndex,c=s.charIndex<0?0:s.charIndex,l=o.charIndex<0?0:o.charIndex,u=a;u<=h;u++){var f,d=this._getLineLeftOffset(u)||0,g=this.getHeightOfLine(u),p=0,v=0;if(u===a&&(p=this.__charBounds[a][c].left),a<=u&&u<h)v=n&&!this.isEndOfWrapping(u)?this.width:this.getLineWidth(u)||5;else if(u===h)if(0===l)v=this.__charBounds[h][l].left;else{var m=this._getWidthOfCharSpacing();v=this.__charBounds[h][l-1].left+this.__charBounds[h][l-1].width-m}f=g,(this.lineHeight<1||u===h&&1<this.lineHeight)&&(g/=this.lineHeight),this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",e.fillRect(t.left+d+p,t.top+t.topOffset+g,v-p,1)):(e.fillStyle=this.selectionColor,e.fillRect(t.left+d+p,t.top+t.topOffset,v-p,g)),t.topOffset+=f}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=0<t.charIndex?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),fabric.IText.fromObject=function(t,e){if(n(t),t.styles)for(var i in t.styles)for(var r in t.styles[i])n(t.styles[i][r]);fabric.Object._fromObject("IText",t,e,"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 e=this;this.on("added",function(){var t=e.canvas;t&&(t._hasITextHandlers||(t._hasITextHandlers=!0,e._initCanvasHandlers(t)),t._iTextInstances=t._iTextInstances||[],t._iTextInstances.push(e))})},initRemovedHandler:function(){var e=this;this.on("removed",function(){var t=e.canvas;t&&(t._iTextInstances=t._iTextInstances||[],fabric.util.removeFromArray(t._iTextInstances,e),0===t._iTextInstances.length&&(t._hasITextHandlers=!1,e._removeCanvasHandlers(t)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})},t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,r){var n;return n={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){n.isAborted||t[r]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return n.isAborted}}),n},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState,e=this.canvas;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&e&&e.clearContext(e.contextTop||e.contextContainer)},selectAll:function(){return this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea(),this},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&-1<i;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i<this.text.length;)e++,i++;return t+e},findLineBoundaryLeft:function(t){for(var e=0,i=t-1;!/\n/.test(this._text[i])&&-1<i;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i<this.text.length;)e++,i++;return t+e},searchWordBoundary:function(t,e){for(var i=this._reSpace.test(this.text.charAt(t))?t-1:t,r=this.text.charAt(i),n=/[ \n\.,;!\?\-]/;!n.test(r)&&0<i&&i<this.text.length;)i+=e,r=this.text.charAt(i);return n.test(r)&&"\n"!==r&&(i+=1===e?0:1),i},selectWord:function(t){t=t||this.selectionStart;var e=this.searchWordBoundary(t,-1),i=this.searchWordBoundary(t,1);this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()},selectLine:function(t){t=t||this.selectionStart;var e=this.findLineBoundaryLeft(t),i=this.findLineBoundaryRight(t);return this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this},enterEditing:function(t){if(!this.isEditing&&this.editable)return this.canvas&&(this.canvas.calcOffset(),this.exitEditingOnOthers(this.canvas)),this.isEditing=!0,this.initHiddenTextarea(t),this.hiddenTextarea.focus(),this.hiddenTextarea.value=this.text,this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._textBeforeEdit=this.text,this._tick(),this.fire("editing:entered"),this._fireSelectionChanged(),this.canvas&&(this.canvas.fire("text:editing:entered",{target:this}),this.initMouseMoveHandler(),this.canvas.requestRenderAll()),this},exitEditingOnOthers:function(t){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.selected=!1,t.isEditing&&t.exitEditing()})},initMouseMoveHandler:function(){this.canvas.on("mouse:move",this.mouseMoveHandler)},mouseMoveHandler:function(t){if(this.__isMousedown&&this.isEditing){var e=this.getSelectionStartFromPointer(t.e),i=this.selectionStart,r=this.selectionEnd;(e===this.__selectionStartOnMouseDown&&i!==r||i!==e&&r!==e)&&(e>this.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),n=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e);return{selectionStart:n,selectionEnd:n+fabric.util.string.graphemeSplit(s).length}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t).join("").length;return t===e?{selectionStart:r,selectionEnd:r}:{selectionStart:r,selectionEnd:r+i.slice(t,e).join("").length}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),h={x:e.left+o,y:e.top+e.topOffset+s},c=this.canvas.upperCanvasEl,l=c.width,u=c.height,f=l-s,d=u-s,g=c.clientWidth/l,p=c.clientHeight/u;return h=fabric.util.transformPoint(h,a),(h=fabric.util.transformPoint(h,this.canvas.viewportTransform)).x*=g,h.y*=p,h.x<0&&(h.x=0),h.x>f&&(h.x=f),h.y<0&&(h.y=0),h.y>d&&(h.y=d),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,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 t=this._textBeforeEdit!==this.text;return this.selected=!1,this.isEditing=!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"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,r,n=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=n.lineIndex,a=n.charIndex,h=s.lineIndex,c=s.charIndex;if(o!==h){if(this.styles[o])for(i=a;i<this._unwrappedTextLines[o].length;i++)delete this.styles[o][i];if(this.styles[h])for(i=c;i<this._unwrappedTextLines[h].length;i++)(r=this.styles[h][i])&&(this.styles[o]||(this.styles[o]={}),this.styles[o][a+i-c]=r);for(i=o+1;i<=h;i++)delete this.styles[i];this.shiftLineStyles(h,o-h)}else if(this.styles[o]){r=this.styles[o];var l,u,f=c-a;for(i=a;i<c;i++)delete r[i];for(u in this.styles[o])c<=(l=parseInt(u,10))&&(r[l-f]=r[u],delete r[u])}},shiftLineStyles:function(t,e){var i=c(this.styles);for(var r in this.styles){var n=parseInt(r,10);t<n&&(this.styles[n+e]=i[n],i[n-e]||delete this.styles[n])}},restartCursorIfNeeded:function(){this._currentTickState&&!this._currentTickState.isAborted&&this._currentTickCompleteState&&!this._currentTickCompleteState.isAborted||this.initDelayedCursor()},insertNewlineStyleObject:function(t,e,i,r){var n,s={},o=!1;for(var a in i||(i=1),this.shiftLineStyles(t,i),this.styles[t]&&(n=this.styles[t][0===e?e:e-1]),this.styles[t]){var h=parseInt(a,10);e<=h&&(o=!0,s[h-e]=this.styles[t][a],delete this.styles[t][a])}for(o?this.styles[t+i]=s:delete this.styles[t+i];1<i;)i--,r&&r[i]?this.styles[t+i]={0:c(r[i])}:n?this.styles[t+i]={0:c(n)}:delete this.styles[t+i];this._forceClearCache=!0},insertCharStyleObject:function(t,e,i,r){this.styles||(this.styles={});var n=this.styles[t],s=n?c(n):{};for(var o in i||(i=1),s){var a=parseInt(o,10);e<=a&&(n[a+i]=s[a],s[a-i]||delete n[a])}if(this._forceClearCache=!0,r)for(;i--;)Object.keys(r[i]).length&&(this.styles[t]||(this.styles[t]={}),this.styles[t][e+i]=c(r[i]));else if(n)for(var h=n[e?e-1:1];h&&i--;)this.styles[t][e+i]=c(h)},insertNewStyleBlock:function(t,e,i){for(var r=this.get2DCursorLocation(e,!0),n=[0],s=0,o=0;o<t.length;o++)"\n"===t[o]?n[++s]=0:n[s]++;0<n[0]&&(this.insertCharStyleObject(r.lineIndex,r.charIndex,n[0],i),i=i&&i.slice(n[0]+1)),s&&this.insertNewlineStyleObject(r.lineIndex,r.charIndex+n[0],s);for(o=1;o<s;o++)0<n[o]?this.insertCharStyleObject(r.lineIndex+o,0,n[o],i):i&&(this.styles[r.lineIndex+o][0]=i[0]),i=i&&i.slice(n[o]+1);0<n[o]&&this.insertCharStyleObject(r.lineIndex+o,0,n[o],i)},setSelectionStartEndWithShift:function(t,e,i){i<=t?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=i):t<i&&i<e?"right"===this._selectionDirection?this.selectionEnd=i:this.selectionStart=i:(e===t?this._selectionDirection="right":"left"===this._selectionDirection&&(this._selectionDirection="right",this.selectionStart=e),this.selectionEnd=i)},setSelectionInBoundaries:function(){var t=this.text.length;this.selectionStart>t?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown)},onMouseDown:function(t){if(this.canvas){this.__newClickTime=+new Date;var e=t.pointer;this.isTripleClick(e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected}},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("mousedblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},_mouseDownHandler:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.__isMousedown=!0,this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection()))},_mouseDownHandlerBefore:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||this===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(t){this.__isMousedown=!1,!this.editable||t.transform&&t.transform.actionPerformed||t.e.button&&1!==t.e.button||(this.__lastSelected&&!this.__corner&&(this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()),this.selected=!0)},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e=this.getLocalPointer(t),i=0,r=0,n=0,s=0,o=0,a=0,h=this._textLines.length;a<h&&n<=e.y;a++)n+=this.getHeightOfLine(a)*this.scaleY,0<(o=a)&&(s+=this._textLines[a-1].length+1);r=this._getLineLeftOffset(o)*this.scaleX;for(var c=0,l=this._textLines[o].length;c<l&&(i=r,(r+=this.__charBounds[o][c].kernedWidth*this.scaleX)<=e.x);c++)s++;return this._getNewSelectionStartFromOffset(e,i,r,s,l)},_getNewSelectionStartFromOffset:function(t,e,i,r,n){var s=t.x-e,o=i-t.x,a=r+(s<o||o<0?0:1);return this.flipX&&(a=n-a),a>this._text.length&&(a=this._text.length),a}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea",""),this.hiddenTextarea.setAttribute("wrap","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; line-height: 1px; paddingーtop: "+t.fontSize+";",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing&&!this.inCompositionMode){if(t.keyCode in this.keysMap)this[this.keysMap[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),33<=t.keyCode&&t.keyCode<=40?(this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){!this.isEditing||this._copyDone||this.inCompositionMode?this._copyDone=!1:t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll())},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,n=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,s=this._text.length,o=n.length,a=o-s;if(""===this.hiddenTextarea.value)return this.styles={},this.updateFromTextArea(),this.fire("changed"),void(this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll()));var h=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),c=this.selectionStart>h.selectionStart;this.selectionStart!==this.selectionEnd?(i=this._text.slice(this.selectionStart,this.selectionEnd),a+=this.selectionEnd-this.selectionStart):o<s&&(i=c?this._text.slice(this.selectionEnd+a,this.selectionEnd):this._text.slice(this.selectionStart,this.selectionStart-a)),r=n.slice(h.selectionEnd-a,h.selectionEnd),i&&i.length&&(this.selectionStart!==this.selectionEnd?this.removeStyleFromTo(this.selectionStart,this.selectionEnd):c?this.removeStyleFromTo(this.selectionEnd-i.length,this.selectionEnd):this.removeStyleFromTo(this.selectionEnd,this.selectionEnd+i.length)),r.length&&(e&&r.join("")===fabric.copiedText?this.insertNewStyleBlock(r,this.selectionStart,fabric.copiedTextStyle):this.insertNewStyleBlock(r,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(t){this.compositionStart=t.target.selectionStart,this.compositionEnd=t.target.selectionEnd,this.updateTextareaPosition()},copy:function(){this.selectionStart!==this.selectionEnd&&(fabric.copiedText=this.getSelectedText(),fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd,!0),this._copyDone=!0)},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,r=this._getLineLeftOffset(t);return 0<e&&(r+=(i=this.__charBounds[t][e-1]).left+i.width),r},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(n===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n+1,o);return this._textLines[n].slice(s).length+a+2},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(0===n||t.metaKey||33===t.keyCode)return-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n-1,o),h=this._textLines[n].slice(0,s);return-this._textLines[n-1].length+a-h.length},_getIndexOnLine:function(t,e){for(var i,r,n=this._textLines[t],s=this._getLineLeftOffset(t),o=0,a=0,h=n.length;a<h;a++)if(e<(s+=i=this.__charBounds[t][a].width)){r=!0;var c=s-i,l=s,u=Math.abs(c-e);o=Math.abs(l-e)<u?a:a-1;break}return r||(o=n.length-1),o},moveCursorDown:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i=this["get"+t+"CursorOffset"](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(i):this.moveCursorWithoutShift(i),0!==i&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var r;if(t.altKey)r=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary"+i](this[e])}if(void 0!==typeof r&&this[e]!==r)return this[e]=r,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,e.shiftKey?i+="Shift":i+="outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t,e){void 0===e&&(e=t+1),this.removeStyleFromTo(t,e),this._text.splice(t,e-t),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()},insertChars:function(t,e,i,r){void 0===r&&(r=i),i<r&&this.removeStyleFromTo(i,r);var n=fabric.util.string.graphemeSplit(t);this.insertNewStyleBlock(n,i,e),this._text=[].concat(this._text.slice(0,i),n,this._text.slice(r)),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()}}),function(){var l=fabric.util.toFixed,u=/  +/g;fabric.util.object.extend(fabric.Text.prototype,{toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this._getSVGLeftTopOffsets(),r=this._getSVGTextAndBg(i.textTop,i.textLeft);return this._wrapSVGTextAndBg(e,r),t?t(e.join("")):e.join("")},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t,e){var i=this.getSvgFilter(),r=""===i?"":' style="'+i+'"',n=this.getSvgTextDecoration(this);t.push("\t<g ",this.getSvgId(),'transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"',r,">\n",e.textBgRects.join(""),'\t\t<text xml:space="preserve" ',this.fontFamily?'font-family="'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size="'+this.fontSize+'" ':"",this.fontStyle?'font-style="'+this.fontStyle+'" ':"",this.fontWeight?'font-weight="'+this.fontWeight+'" ':"",n?'text-decoration="'+n+'" ':"",'style="',this.getSvgStyles(!0),'"',this.addPaintOrder()," >",e.textSpans.join(""),"</text>\n","\t</g>\n")},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],s=t;this._setSVGBg(n);for(var o=0,a=this._textLines.length;o<a;o++)i=this._getLineLeftOffset(o),(this.textBackgroundColor||this.styleHas("textBackgroundColor",o))&&this._setSVGTextLineBg(n,o,e+i,s),this._setSVGTextLineText(r,o,e+i,s),s+=this.getHeightOfLine(o);return{textSpans:r,textBgRects:n}},_createTextCharSpan:function(t,e,i,r){var n=t!==t.trim()||t.match(u),s=this.getSvgSpanStyles(e,n),o=s?'style="'+s+'"':"",a=e.deltaY,h="",c=fabric.Object.NUM_FRACTION_DIGITS;return a&&(h=' dy="'+l(a,c)+'" '),['<tspan x="',l(i,c),'" y="',l(r,c),'" ',h,o,">",fabric.util.string.escapeXml(t),"</tspan>"].join("")},_setSVGTextLineText:function(t,e,i,r){var n,s,o,a,h,c=this.getHeightOfLine(e),l=-1!==this.textAlign.indexOf("justify"),u="",f=0,d=this._textLines[e];r+=c*(1-this._fontSizeFraction)/this.lineHeight;for(var g=0,p=d.length-1;g<=p;g++)h=g===p||this.charSpacing,u+=d[g],o=this.__charBounds[e][g],0===f?(i+=o.kernedWidth-o.width,f+=o.width):f+=o.kernedWidth,l&&!h&&this._reSpaceAndTab.test(d[g])&&(h=!0),h||(n=n||this.getCompleteStyleDeclaration(e,g),s=this.getCompleteStyleDeclaration(e,g+1),h=this._hasStyleChangedForSvg(n,s)),h&&(a=this._getStyleDeclaration(e,g)||{},t.push(this._createTextCharSpan(u,a,i,r)),u="",n=s,i+=f,f=0)},_pushTextBgRect:function(t,e,i,r,n,s){var o=fabric.Object.NUM_FRACTION_DIGITS;t.push("\t\t<rect ",this._getFillAttributes(e),' x="',l(i,o),'" y="',l(r,o),'" width="',l(n,o),'" height="',l(s,o),'"></rect>\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,h=0,c=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;u<f;u++)n=this.__charBounds[e][u],(s=this.getValueOfPropertyAt(e,u,"textBackgroundColor"))!==l?(l&&this._pushTextBgRect(t,l,i+c,r,h,a),c=n.left,h=n.width,l=s):h+=n.kernedWidth;s&&this._pushTextBgRect(t,s,i+c,r,h,a)},_getFillAttributes:function(t){var e=t&&"string"==typeof t?new fabric.Color(t):"";return e&&e.getSource()&&1!==e.getAlpha()?'opacity="'+e.getAlpha()+'" fill="'+e.setAlpha(1).toRgb()+'"':'fill="'+t+'"'},_getSVGLineTopOffset:function(t){for(var e,i=0,r=0;r<t;r++)i+=this.getHeightOfLine(r);return e=this.getHeightOfLine(r),{lineTop:i,offset:(this._fontSizeMult-this._fontSizeFraction)*e/(this.lineHeight*this._fontSizeMult)}},getSvgStyles:function(t){return fabric.Object.prototype.getSvgStyles.call(this,t)+" white-space: pre;"}})}(),function(t){"use strict";var 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i[t]({query:e,socket:this,agent:n.agent||this.agent,hostname:n.hostname||this.hostname,port:n.port||this.port,secure:n.secure||this.secure,path:n.path||this.path,forceJSONP:n.forceJSONP||this.forceJSONP,jsonp:n.jsonp||this.jsonp,forceBase64:n.forceBase64||this.forceBase64,enablesXDR:n.enablesXDR||this.enablesXDR,timestampRequests:n.timestampRequests||this.timestampRequests,timestampParam:n.timestampParam||this.timestampParam,policyPort:n.policyPort||this.policyPort,pfx:n.pfx||this.pfx,key:n.key||this.key,passphrase:n.passphrase||this.passphrase,cert:n.cert||this.cert,ca:n.ca||this.ca,ciphers:n.ciphers||this.ciphers,rejectUnauthorized:n.rejectUnauthorized||this.rejectUnauthorized,perMessageDeflate:n.perMessageDeflate||this.perMessageDeflate,extraHeaders:n.extraHeaders||this.extraHeaders,forceNode:n.forceNode||this.forceNode,localAddress:n.localAddress||this.localAddress,requestTimeout:n.requestTimeout||this.requestTimeout,protocols:n.protocols||void 0});return r},r.prototype.open=function(){var t;if(this.rememberUpgrade&&r.priorWebsocketSuccess&&this.transports.indexOf("websocket")!==-1)t="websocket";else{if(0===this.transports.length){var e=this;return void setTimeout(function(){e.emit("error","No transports available")},0)}t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(n){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)},r.prototype.setTransport=function(t){a("setting transport %s",t.name);var e=this;this.transport&&(a("clearing existing transport %s",this.transport.name),this.transport.removeAllListeners()),this.transport=t,t.on("drain",function(){e.onDrain()}).on("packet",function(t){e.onPacket(t)}).on("error",function(t){e.onError(t)}).on("close",function(){e.onClose("transport close")})},r.prototype.probe=function(t){function e(){if(f.onlyBinaryUpgrades){var e=!this.supportsBinary&&f.transport.supportsBinary;h=h||e}h||(a('probe transport "%s" opened',t),u.send([{type:"ping",data:"probe"}]),u.once("packet",function(e){if(!h)if("pong"===e.type&&"probe"===e.data){if(a('probe transport "%s" pong',t),f.upgrading=!0,f.emit("upgrading",u),!u)return;r.priorWebsocketSuccess="websocket"===u.name,a('pausing current transport "%s"',f.transport.name),f.transport.pause(function(){h||"closed"!==f.readyState&&(a("changing transport and sending upgrade packet"),p(),f.setTransport(u),u.send([{type:"upgrade"}]),f.emit("upgrade",u),u=null,f.upgrading=!1,f.flush())})}else{a('probe transport "%s" failed',t);var n=new Error("probe error");n.transport=u.name,f.emit("upgradeError",n)}}))}function n(){h||(h=!0,p(),u.close(),u=null)}function o(e){var r=new Error("probe error: "+e);r.transport=u.name,n(),a('probe transport "%s" failed because of error: %s',t,e),f.emit("upgradeError",r)}function i(){o("transport closed")}function s(){o("socket closed")}function c(t){u&&t.name!==u.name&&(a('"%s" works - aborting "%s"',t.name,u.name),n())}function p(){u.removeListener("open",e),u.removeListener("error",o),u.removeListener("close",i),f.removeListener("close",s),f.removeListener("upgrading",c)}a('probing transport "%s"',t);var u=this.createTransport(t,{probe:1}),h=!1,f=this;r.priorWebsocketSuccess=!1,u.once("open",e),u.once("error",o),u.once("close",i),this.once("close",s),this.once("upgrading",c),u.open()},r.prototype.onOpen=function(){if(a("socket open"),this.readyState="open",r.priorWebsocketSuccess="websocket"===this.transport.name,this.emit("open"),this.flush(),"open"===this.readyState&&this.upgrade&&this.transport.pause){a("starting upgrade probes");for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},r.prototype.onPacket=function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(a('socket receive: type "%s", data "%s"',t.type,t.data),this.emit("packet",t),this.emit("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"pong":this.setPing(),this.emit("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emit("data",t.data),this.emit("message",t.data)}else a('packet received with socket readyState "%s"',this.readyState)},r.prototype.onHandshake=function(t){this.emit("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.onOpen(),"closed"!==this.readyState&&(this.setPing(),this.removeListener("heartbeat",this.onHeartbeat),this.on("heartbeat",this.onHeartbeat))},r.prototype.onHeartbeat=function(t){clearTimeout(this.pingTimeoutTimer);var e=this;e.pingTimeoutTimer=setTimeout(function(){"closed"!==e.readyState&&e.onClose("ping timeout")},t||e.pingInterval+e.pingTimeout)},r.prototype.setPing=function(){var t=this;clearTimeout(t.pingIntervalTimer),t.pingIntervalTimer=setTimeout(function(){a("writing ping packet - expecting pong within %sms",t.pingTimeout),t.ping(),t.onHeartbeat(t.pingTimeout)},t.pingInterval)},r.prototype.ping=function(){var t=this;this.sendPacket("ping",function(){t.emit("ping")})},r.prototype.onDrain=function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emit("drain"):this.flush()},r.prototype.flush=function(){"closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(a("flushing %d packets in socket",this.writeBuffer.length),this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emit("flush"))},r.prototype.write=r.prototype.send=function(t,e,n){return this.sendPacket("message",t,e,n),this},r.prototype.sendPacket=function(t,e,n,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){n=n||{},n.compress=!1!==n.compress;var o={type:t,data:e,options:n};this.emit("packetCreate",o),this.writeBuffer.push(o),r&&this.once("flush",r),this.flush()}},r.prototype.close=function(){function t(){r.onClose("forced close"),a("socket closing - telling transport to close"),r.transport.close()}function e(){r.removeListener("upgrade",e),r.removeListener("upgradeError",e),t()}function n(){r.once("upgrade",e),r.once("upgradeError",e)}if("opening"===this.readyState||"open"===this.readyState){this.readyState="closing";var r=this;this.writeBuffer.length?this.once("drain",function(){this.upgrading?n():t()}):this.upgrading?n():t()}return this},r.prototype.onError=function(t){a("socket error %j",t),r.priorWebsocketSuccess=!1,this.emit("error",t),this.onClose("transport error",t)},r.prototype.onClose=function(t,e){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState){a('socket close with reason: "%s"',t);var n=this;clearTimeout(this.pingIntervalTimer),clearTimeout(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),this.readyState="closed",this.id=null,this.emit("close",t,e),n.writeBuffer=[],n.prevBufferLen=0}},r.prototype.filterUpgrades=function(t){for(var e=[],n=0,r=t.length;n<r;n++)~c(this.transports,t[n])&&e.push(t[n]);return e}}).call(e,function(){return this}())},function(t,e,n){(function(t){function r(e){var n,r=!1,a=!1,c=!1!==e.jsonp;if(t.location){var p="https:"===location.protocol,u=location.port;u||(u=p?443:80),r=e.hostname!==location.hostname||u!==e.port,a=e.secure!==p}if(e.xdomain=r,e.xscheme=a,n=new o(e),"open"in n&&!e.forceJSONP)return new i(e);if(!c)throw new Error("JSONP disabled");return new s(e)}var o=n(17),i=n(19),s=n(33),a=n(34);e.polling=r,e.websocket=a}).call(e,function(){return this}())},function(t,e,n){(function(e){var r=n(18);t.exports=function(t){var n=t.xdomain,o=t.xscheme,i=t.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!n||r))return new XMLHttpRequest}catch(s){}try{if("undefined"!=typeof XDomainRequest&&!o&&i)return new XDomainRequest}catch(s){}if(!n)try{return new(e[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP");
}catch(s){}}}).call(e,function(){return this}())},function(t,e){try{t.exports="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(n){t.exports=!1}},function(t,e,n){(function(e){function r(){}function o(t){if(c.call(this,t),this.requestTimeout=t.requestTimeout,this.extraHeaders=t.extraHeaders,e.location){var n="https:"===location.protocol,r=location.port;r||(r=n?443:80),this.xd=t.hostname!==e.location.hostname||r!==t.port,this.xs=t.secure!==n}}function i(t){this.method=t.method||"GET",this.uri=t.uri,this.xd=!!t.xd,this.xs=!!t.xs,this.async=!1!==t.async,this.data=void 0!==t.data?t.data:null,this.agent=t.agent,this.isBinary=t.isBinary,this.supportsBinary=t.supportsBinary,this.enablesXDR=t.enablesXDR,this.requestTimeout=t.requestTimeout,this.pfx=t.pfx,this.key=t.key,this.passphrase=t.passphrase,this.cert=t.cert,this.ca=t.ca,this.ciphers=t.ciphers,this.rejectUnauthorized=t.rejectUnauthorized,this.extraHeaders=t.extraHeaders,this.create()}function s(){for(var t in i.requests)i.requests.hasOwnProperty(t)&&i.requests[t].abort()}var a=n(17),c=n(20),p=n(8),u=n(31),h=n(3)("engine.io-client:polling-xhr");t.exports=o,t.exports.Request=i,u(o,c),o.prototype.supportsBinary=!0,o.prototype.request=function(t){return t=t||{},t.uri=this.uri(),t.xd=this.xd,t.xs=this.xs,t.agent=this.agent||!1,t.supportsBinary=this.supportsBinary,t.enablesXDR=this.enablesXDR,t.pfx=this.pfx,t.key=this.key,t.passphrase=this.passphrase,t.cert=this.cert,t.ca=this.ca,t.ciphers=this.ciphers,t.rejectUnauthorized=this.rejectUnauthorized,t.requestTimeout=this.requestTimeout,t.extraHeaders=this.extraHeaders,new i(t)},o.prototype.doWrite=function(t,e){var n="string"!=typeof t&&void 0!==t,r=this.request({method:"POST",data:t,isBinary:n}),o=this;r.on("success",e),r.on("error",function(t){o.onError("xhr post error",t)}),this.sendXhr=r},o.prototype.doPoll=function(){h("xhr poll");var t=this.request(),e=this;t.on("data",function(t){e.onData(t)}),t.on("error",function(t){e.onError("xhr poll error",t)}),this.pollXhr=t},p(i.prototype),i.prototype.create=function(){var t={agent:this.agent,xdomain:this.xd,xscheme:this.xs,enablesXDR:this.enablesXDR};t.pfx=this.pfx,t.key=this.key,t.passphrase=this.passphrase,t.cert=this.cert,t.ca=this.ca,t.ciphers=this.ciphers,t.rejectUnauthorized=this.rejectUnauthorized;var n=this.xhr=new a(t),r=this;try{h("xhr open %s: %s",this.method,this.uri),n.open(this.method,this.uri,this.async);try{if(this.extraHeaders){n.setDisableHeaderCheck&&n.setDisableHeaderCheck(!0);for(var o in this.extraHeaders)this.extraHeaders.hasOwnProperty(o)&&n.setRequestHeader(o,this.extraHeaders[o])}}catch(s){}if("POST"===this.method)try{this.isBinary?n.setRequestHeader("Content-type","application/octet-stream"):n.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(s){}try{n.setRequestHeader("Accept","*/*")}catch(s){}"withCredentials"in n&&(n.withCredentials=!0),this.requestTimeout&&(n.timeout=this.requestTimeout),this.hasXDR()?(n.onload=function(){r.onLoad()},n.onerror=function(){r.onError(n.responseText)}):n.onreadystatechange=function(){if(2===n.readyState){var t;try{t=n.getResponseHeader("Content-Type")}catch(e){}"application/octet-stream"===t&&(n.responseType="arraybuffer")}4===n.readyState&&(200===n.status||1223===n.status?r.onLoad():setTimeout(function(){r.onError(n.status)},0))},h("xhr data %s",this.data),n.send(this.data)}catch(s){return void setTimeout(function(){r.onError(s)},0)}e.document&&(this.index=i.requestsCount++,i.requests[this.index]=this)},i.prototype.onSuccess=function(){this.emit("success"),this.cleanup()},i.prototype.onData=function(t){this.emit("data",t),this.onSuccess()},i.prototype.onError=function(t){this.emit("error",t),this.cleanup(!0)},i.prototype.cleanup=function(t){if("undefined"!=typeof this.xhr&&null!==this.xhr){if(this.hasXDR()?this.xhr.onload=this.xhr.onerror=r:this.xhr.onreadystatechange=r,t)try{this.xhr.abort()}catch(n){}e.document&&delete i.requests[this.index],this.xhr=null}},i.prototype.onLoad=function(){var t;try{var e;try{e=this.xhr.getResponseHeader("Content-Type")}catch(n){}t="application/octet-stream"===e?this.xhr.response||this.xhr.responseText:this.xhr.responseText}catch(n){this.onError(n)}null!=t&&this.onData(t)},i.prototype.hasXDR=function(){return"undefined"!=typeof e.XDomainRequest&&!this.xs&&this.enablesXDR},i.prototype.abort=function(){this.cleanup()},i.requestsCount=0,i.requests={},e.document&&(e.attachEvent?e.attachEvent("onunload",s):e.addEventListener&&e.addEventListener("beforeunload",s,!1))}).call(e,function(){return this}())},function(t,e,n){function r(t){var e=t&&t.forceBase64;u&&!e||(this.supportsBinary=!1),o.call(this,t)}var o=n(21),i=n(30),s=n(22),a=n(31),c=n(32),p=n(3)("engine.io-client:polling");t.exports=r;var u=function(){var t=n(17),e=new t({xdomain:!1});return null!=e.responseType}();a(r,o),r.prototype.name="polling",r.prototype.doOpen=function(){this.poll()},r.prototype.pause=function(t){function e(){p("paused"),n.readyState="paused",t()}var n=this;if(this.readyState="pausing",this.polling||!this.writable){var r=0;this.polling&&(p("we are currently polling - waiting to pause"),r++,this.once("pollComplete",function(){p("pre-pause polling complete"),--r||e()})),this.writable||(p("we are currently writing - waiting to pause"),r++,this.once("drain",function(){p("pre-pause writing complete"),--r||e()}))}else e()},r.prototype.poll=function(){p("polling"),this.polling=!0,this.doPoll(),this.emit("poll")},r.prototype.onData=function(t){var e=this;p("polling got data %s",t);var n=function(t,n,r){return"opening"===e.readyState&&e.onOpen(),"close"===t.type?(e.onClose(),!1):void e.onPacket(t)};s.decodePayload(t,this.socket.binaryType,n),"closed"!==this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"===this.readyState?this.poll():p('ignoring poll - transport state "%s"',this.readyState))},r.prototype.doClose=function(){function t(){p("writing close packet"),e.write([{type:"close"}])}var e=this;"open"===this.readyState?(p("transport open - closing"),t()):(p("transport not open - deferring close"),this.once("open",t))},r.prototype.write=function(t){var e=this;this.writable=!1;var n=function(){e.writable=!0,e.emit("drain")};s.encodePayload(t,this.supportsBinary,function(t){e.doWrite(t,n)})},r.prototype.uri=function(){var t=this.query||{},e=this.secure?"https":"http",n="";!1!==this.timestampRequests&&(t[this.timestampParam]=c()),this.supportsBinary||t.sid||(t.b64=1),t=i.encode(t),this.port&&("https"===e&&443!==Number(this.port)||"http"===e&&80!==Number(this.port))&&(n=":"+this.port),t.length&&(t="?"+t);var r=this.hostname.indexOf(":")!==-1;return e+"://"+(r?"["+this.hostname+"]":this.hostname)+n+this.path+t}},function(t,e,n){function r(t){this.path=t.path,this.hostname=t.hostname,this.port=t.port,this.secure=t.secure,this.query=t.query,this.timestampParam=t.timestampParam,this.timestampRequests=t.timestampRequests,this.readyState="",this.agent=t.agent||!1,this.socket=t.socket,this.enablesXDR=t.enablesXDR,this.pfx=t.pfx,this.key=t.key,this.passphrase=t.passphrase,this.cert=t.cert,this.ca=t.ca,this.ciphers=t.ciphers,this.rejectUnauthorized=t.rejectUnauthorized,this.forceNode=t.forceNode,this.extraHeaders=t.extraHeaders,this.localAddress=t.localAddress}var o=n(22),i=n(8);t.exports=r,i(r.prototype),r.prototype.onError=function(t,e){var n=new Error(t);return n.type="TransportError",n.description=e,this.emit("error",n),this},r.prototype.open=function(){return"closed"!==this.readyState&&""!==this.readyState||(this.readyState="opening",this.doOpen()),this},r.prototype.close=function(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this},r.prototype.send=function(t){if("open"!==this.readyState)throw new Error("Transport not open");this.write(t)},r.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},r.prototype.onData=function(t){var e=o.decodePacket(t,this.socket.binaryType);this.onPacket(e)},r.prototype.onPacket=function(t){this.emit("packet",t)},r.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},function(t,e,n){(function(t){function r(t,n){var r="b"+e.packets[t.type]+t.data.data;return n(r)}function o(t,n,r){if(!n)return e.encodeBase64Packet(t,r);var o=t.data,i=new Uint8Array(o),s=new Uint8Array(1+o.byteLength);s[0]=v[t.type];for(var a=0;a<i.length;a++)s[a+1]=i[a];return r(s.buffer)}function i(t,n,r){if(!n)return e.encodeBase64Packet(t,r);var o=new FileReader;return o.onload=function(){t.data=o.result,e.encodePacket(t,n,!0,r)},o.readAsArrayBuffer(t.data)}function s(t,n,r){if(!n)return e.encodeBase64Packet(t,r);if(g)return i(t,n,r);var o=new Uint8Array(1);o[0]=v[t.type];var s=new k([o.buffer,t.data]);return r(s)}function a(t){try{t=d.decode(t,{strict:!1})}catch(e){return!1}return t}function c(t,e,n){for(var r=new Array(t.length),o=l(t.length,n),i=function(t,n,o){e(n,function(e,n){r[t]=n,o(e,r)})},s=0;s<t.length;s++)i(s,t[s],o)}var p,u=n(23),h=n(9),f=n(24),l=n(25),d=n(26);t&&t.ArrayBuffer&&(p=n(28));var y="undefined"!=typeof navigator&&/Android/i.test(navigator.userAgent),m="undefined"!=typeof navigator&&/PhantomJS/i.test(navigator.userAgent),g=y||m;e.protocol=3;var v=e.packets={open:0,close:1,ping:2,pong:3,message:4,upgrade:5,noop:6},b=u(v),w={type:"error",data:"parser error"},k=n(29);e.encodePacket=function(e,n,i,a){"function"==typeof n&&(a=n,n=!1),"function"==typeof i&&(a=i,i=null);var c=void 0===e.data?void 0:e.data.buffer||e.data;if(t.ArrayBuffer&&c instanceof ArrayBuffer)return o(e,n,a);if(k&&c instanceof t.Blob)return s(e,n,a);if(c&&c.base64)return r(e,a);var p=v[e.type];return void 0!==e.data&&(p+=i?d.encode(String(e.data),{strict:!1}):String(e.data)),a(""+p)},e.encodeBase64Packet=function(n,r){var o="b"+e.packets[n.type];if(k&&n.data instanceof t.Blob){var i=new FileReader;return i.onload=function(){var t=i.result.split(",")[1];r(o+t)},i.readAsDataURL(n.data)}var s;try{s=String.fromCharCode.apply(null,new Uint8Array(n.data))}catch(a){for(var c=new Uint8Array(n.data),p=new Array(c.length),u=0;u<c.length;u++)p[u]=c[u];s=String.fromCharCode.apply(null,p)}return o+=t.btoa(s),r(o)},e.decodePacket=function(t,n,r){if(void 0===t)return w;if("string"==typeof t){if("b"===t.charAt(0))return e.decodeBase64Packet(t.substr(1),n);if(r&&(t=a(t),t===!1))return w;var o=t.charAt(0);return Number(o)==o&&b[o]?t.length>1?{type:b[o],data:t.substring(1)}:{type:b[o]}:w}var i=new Uint8Array(t),o=i[0],s=f(t,1);return k&&"blob"===n&&(s=new k([s])),{type:b[o],data:s}},e.decodeBase64Packet=function(t,e){var n=b[t.charAt(0)];if(!p)return{type:n,data:{base64:!0,data:t.substr(1)}};var r=p.decode(t.substr(1));return"blob"===e&&k&&(r=new k([r])),{type:n,data:r}},e.encodePayload=function(t,n,r){function o(t){return t.length+":"+t}function i(t,r){e.encodePacket(t,!!s&&n,!1,function(t){r(null,o(t))})}"function"==typeof n&&(r=n,n=null);var s=h(t);return n&&s?k&&!g?e.encodePayloadAsBlob(t,r):e.encodePayloadAsArrayBuffer(t,r):t.length?void c(t,i,function(t,e){return r(e.join(""))}):r("0:")},e.decodePayload=function(t,n,r){if("string"!=typeof t)return e.decodePayloadAsBinary(t,n,r);"function"==typeof n&&(r=n,n=null);var o;if(""===t)return r(w,0,1);for(var i,s,a="",c=0,p=t.length;c<p;c++){var 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A public/js/sweetalert.min.js => public/js/sweetalert.min.js +1 -0
@@ 0,0 1,1 @@
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\ No newline at end of file

M views/index.pug => views/index.pug +3 -2
@@ 6,8 6,9 @@ block js

block content
  div
    span.glyphicon.glyphicon-pencil(aria-hidden='true',style="padding-right:2px;")
    span.glyphicon.glyphicon-earphone(aria-hidden='true',style="padding-left:2px;")
    img(src='img/drawphone.svg', style='width:15%;')
    //span.glyphicon.glyphicon-pencil(aria-hidden='true',style="padding-right:2px;")
    //span.glyphicon.glyphicon-earphone(aria-hidden='true',style="padding-left:2px;")
  h1#title Drawphone
  p#subtitle Telephone with pictures
  hr

M views/layout.pug => views/layout.pug +25 -16
@@ 9,22 9,25 @@ html
    meta(name="description" content="Telephone with pictures")

    // Bootstrap CSS
    link(rel='stylesheet', href='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css', integrity='sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u', crossorigin='anonymous')
    //link(rel='stylesheet', href='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css', integrity='sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u', crossorigin='anonymous')
    link(rel='stylesheet', href='/css/bootstrap.min.css')
    // SweetAlert for Bootstrap CSS
    link(rel='stylesheet', href='https://cdnjs.cloudflare.com/ajax/libs/bootstrap-sweetalert/1.0.1/sweetalert.min.css')
    //link(rel='stylesheet', href='https://cdnjs.cloudflare.com/ajax/libs/bootstrap-sweetalert/1.0.1/sweetalert.min.css')
    link(rel='stylesheet', href='/css/sweetalert.min.css')
    // Slabo Font
    link(href='https://fonts.googleapis.com/css?family=Slabo+27px', rel='stylesheet', type='text/css')
    //link(href='https://fonts.googleapis.com/css?family=Slabo+27px', rel='stylesheet', type='text/css')
    //link(rel='stylesheet', href='/css/slabo.css')
    // Drawphone CSS
    link(rel='stylesheet', href='/css/style.css')
      
    // Google Analytics
    script.
      (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
      (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
      m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
      })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
      ga('create', 'UA-82444397-2', 'auto');
      ga('send', 'pageview');
    // script.
    //  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
    //  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
    //  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
    //  })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
    //  ga('create', 'UA-82444397-2', 'auto');
    //  ga('send', 'pageview');

  body
    .container.text-center


@@ 38,15 41,21 @@ html
          a(href='https://github.com/tannerkrewson/drawphone', target='_blank') View on GitHub
    br
    // jQuery
    script(src='https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js')
    // script(src='https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js')
    script(src='/js/jquery.min.js')
    // Bootstrap JS
    script(src='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js', integrity='sha384-0mSbJDEHialfmuBBQP6A4Qrprq5OVfW37PRR3j5ELqxss1yVqOtnepnHVP9aJ7xS', crossorigin='anonymous')
    // script(src='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js', integrity='sha384-0mSbJDEHialfmuBBQP6A4Qrprq5OVfW37PRR3j5ELqxss1yVqOtnepnHVP9aJ7xS', crossorigin='anonymous')
    script(src='/js/bootstrap.min.js')
    // Socket.IO
    script(src='https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.0.4/socket.io.js')
    // script(src='https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.0.4/socket.io.js')
    script(src='/js/socket.io.js')
    // Fabric.js
    script(src='https://cdnjs.cloudflare.com/ajax/libs/fabric.js/2.3.2/fabric.min.js', integrity='sha256-JQa3Df+83QeB/XVnQYWk9Ns3v4IJ8gnWhgGv1ToHQGg=', crossorigin='anonymous')
    // script(src='https://cdnjs.cloudflare.com/ajax/libs/fabric.js/2.3.2/fabric.min.js', integrity='sha256-JQa3Df+83QeB/XVnQYWk9Ns3v4IJ8gnWhgGv1ToHQGg=', crossorigin='anonymous')
    script(src='/js/fabric.min.js')
    // javascript-canvas-to-blob
    script(src='https://cdnjs.cloudflare.com/ajax/libs/javascript-canvas-to-blob/3.3.0/js/canvas-to-blob.min.js')
    // script(src='https://cdnjs.cloudflare.com/ajax/libs/javascript-canvas-to-blob/3.3.0/js/canvas-to-blob.min.js')
    script(src='/js/canvas-to-blob.min.js')
    // SweetAlert for Bootstrap JS
    script(src='https://cdnjs.cloudflare.com/ajax/libs/bootstrap-sweetalert/1.0.1/sweetalert.min.js')
    // script(src='https://cdnjs.cloudflare.com/ajax/libs/bootstrap-sweetalert/1.0.1/sweetalert.min.js')
    script(src='/js/sweetalert.min.js')
    block js