| Current File : /home/kelaby89/abl.academy/wp-content/plugins/learnpress-certificates/assets/src/js/fabric.min.js |
var fabric=fabric||{version:"1.4.13"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window):(fabric.document=require("jsdom").jsdom("<!DOCTYPE html><html><head></head><body></body></html>"),fabric.document.createWindow?fabric.window=fabric.document.createWindow():fabric.window=fabric.document.parentWindow),fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement,fabric.isLikelyNode="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"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",function(){function t(t,e){this.__eventListeners[t]&&(e?fabric.util.removeFromArray(this.__eventListeners[t],e):this.__eventListeners[t].length=0)}function 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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*r},radiansToDegrees:function(t){return t/r},rotatePoint:function(t,e,i){var r=Math.sin(i),s=Math.cos(i);t.subtractEquals(e);var n=t.x*s-t.y*r,o=t.x*r+t.y*s;return new fabric.Point(n,o).addEquals(e)},transformPoint:function(t,e,i){return i?new fabric.Point(e[0]*t.x+e[1]*t.y,e[2]*t.x+e[3]*t.y):new fabric.Point(e[0]*t.x+e[1]*t.y+e[4],e[2]*t.x+e[3]*t.y+e[5])},invertTransform:function(t){var e=t.slice(),i=1/(t[0]*t[3]-t[1]*t[2]);e=[i*t[3],-i*t[1],-i*t[2],i*t[0],0,0];var r=fabric.util.transformPoint({x:t[4],y:t[5]},e);return e[4]=-r.x,e[5]=-r.y,e},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 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r=e.target||(typeof e.srcElement!==t?e.srcElement:null),s=fabric.util.getScrollLeftTop(r,i);return{x:d(e)+s.left,y:p(e)+s.top}},fabric.util.object.extend(fabric.util,fabric.Observable)}(),function(){var t=fabric.document.createElement("div"),e="string"==typeof t.style.opacity,i="string"==typeof t.style.filter,r=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,s=function(t){return t};e?s=function(t,e){return t.style.opacity=e,t}:i&&(s=function(t,e){var i=t.style;return t.currentStyle&&!t.currentStyle.hasLayout&&(i.zoom=1),r.test(i.filter)?(e=e>=.9999?"":"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,e.indexOf("opacity")>-1?s(t,e.match(/opacity:\s*(\d?\.?\d*)/)[1]):t;for(var r in e)"opacity"===r?s(t,e[r]):i["float"===r||"cssFloat"===r?void 0===i.styleFloat?"cssFloat":"styleFloat":r]=e[r];return t}}(),function(){var t=Array.prototype.slice;var e,i,r=function(e){return t.call(e,0)};try{e=r(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}e||(r=function(t){for(var e=new Array(t.length),i=t.length;i--;)e[i]=t[i];return e}),i=fabric.document.defaultView&&fabric.document.defaultView.getComputedStyle?function(t,e){var i=fabric.document.defaultView.getComputedStyle(t,null);return i?i[e]:void 0}:function(t,e){var i=t.style[e];return!i&&t.currentStyle&&(i=t.currentStyle[e]),i},function(){var t=fabric.document.documentElement.style,e="userSelect"in t?"userSelect":"MozUserSelect"in t?"MozUserSelect":"WebkitUserSelect"in t?"WebkitUserSelect":"KhtmlUserSelect"in t?"KhtmlUserSelect":"";fabric.util.makeElementUnselectable=function(t){return void 0!==t.onselectstart&&(t.onselectstart=fabric.util.falseFunction),e?t.style[e]="none":"string"==typeof t.unselectable&&(t.unselectable="on"),t},fabric.util.makeElementSelectable=function(t){return void 0!==t.onselectstart&&(t.onselectstart=null),e?t.style[e]="":"string"==typeof t.unselectable&&(t.unselectable=""),t}}(),function(){fabric.util.getScript=function(t,e){var i=fabric.document.getElementsByTagName("head")[0],r=fabric.document.createElement("script"),s=!0;r.onload=r.onreadystatechange=function(t){if(s){if("string"==typeof this.readyState&&"loaded"!==this.readyState&&"complete"!==this.readyState)return;s=!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=r,fabric.util.makeElement=s,fabric.util.addClass=function(t,e){t&&-1===(" "+t.className+" ").indexOf(" "+e+" ")&&(t.className+=(t.className?" 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t+(/\?/.test(t)?"&":"?")+e}(i,r.parameters))),a.open(n,i,!0),"POST"!==n&&"PUT"!==n||a.setRequestHeader("Content-Type","application/x-www-form-urlencoded"),a.send(s),a}}(),fabric.log=function(){},fabric.warn=function(){},"undefined"!=typeof console&&["log","warn"].forEach(function(t){void 0!==console[t]&&console[t].apply&&(fabric[t]=function(){return console[t].apply(console,arguments)})}),function(){var t=fabric.window.requestAnimationFrame||fabric.window.webkitRequestAnimationFrame||fabric.window.mozRequestAnimationFrame||fabric.window.oRequestAnimationFrame||fabric.window.msRequestAnimationFrame||function(t){fabric.window.setTimeout(t,1e3/60)};function e(){return t.apply(fabric.window,arguments)}fabric.util.animate=function(t){e(function(i){t||(t={});var r,s=i||+new Date,n=t.duration||500,o=s+n,a=t.onChange||function(){},h=t.abort||function(){return!1},c=t.easing||function(t,e,i,r){return-i*Math.cos(t/r*(Math.PI/2))+i+e},l="startValue"in t?t.startValue:0,u="endValue"in 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i*((t=t/r-1)*t*t+1)+e},easeInOutCubic:function(t,e,i,r){return(t/=r/2)<1?i/2*t*t*t+e:i/2*((t-=2)*t*t+2)+e},easeInQuart:function(t,e,i,r){return i*(t/=r)*t*t*t+e},easeOutQuart:function(t,e,i,r){return-i*((t=t/r-1)*t*t*t-1)+e},easeInOutQuart:function(t,e,i,r){return(t/=r/2)<1?i/2*t*t*t*t+e:-i/2*((t-=2)*t*t*t-2)+e},easeInQuint:function(t,e,i,r){return i*(t/=r)*t*t*t*t+e},easeOutQuint:function(t,e,i,r){return i*((t=t/r-1)*t*t*t*t+1)+e},easeInOutQuint:function(t,e,i,r){return(t/=r/2)<1?i/2*t*t*t*t*t+e:i/2*((t-=2)*t*t*t*t+2)+e},easeInSine:function(t,e,i,r){return-i*Math.cos(t/r*(Math.PI/2))+i+e},easeOutSine:function(t,e,i,r){return i*Math.sin(t/r*(Math.PI/2))+e},easeInOutSine:function(t,e,i,r){return-i/2*(Math.cos(Math.PI*t/r)-1)+e},easeInExpo:function(t,e,i,r){return 0===t?e:i*Math.pow(2,10*(t/r-1))+e},easeOutExpo:function(t,e,i,r){return t===r?e+i:i*(1-Math.pow(2,-10*t/r))+e},easeInOutExpo:function(t,e,i,r){return 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e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.string.capitalize,s=e.util.object.clone,n=e.util.toFixed,o=e.util.parseUnit,a=e.util.multiplyTransformMatrices,h={cx:"left",x:"left",r:"radius",cy:"top",y:"top",display:"visible",visibility:"visible",transform:"transformMatrix","fill-opacity":"fillOpacity","fill-rule":"fillRule","font-family":"fontFamily","font-size":"fontSize","font-style":"fontStyle","font-weight":"fontWeight","stroke-dasharray":"strokeDashArray","stroke-linecap":"strokeLineCap","stroke-linejoin":"strokeLineJoin","stroke-miterlimit":"strokeMiterLimit","stroke-opacity":"strokeOpacity","stroke-width":"strokeWidth","text-decoration":"textDecoration","text-anchor":"originX"},c={stroke:"strokeOpacity",fill:"fillOpacity"};function l(t){return t in h?h[t]:t}function u(t,i,r,s){var n,h="[object Array]"===Object.prototype.toString.call(i);return"fill"!==t&&"stroke"!==t||"none"!==i?"strokeDashArray"===t?i=i.replace(/,/g," ").split(/\s+/).map(function(t){return 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t=[1,0,0,1,0,0],i=e.reNum,r="(?:\\s+,?\\s*|,\\s*)",s="(?:"+("(?:(matrix)\\s*\\(\\s*("+i+")"+r+"("+i+")"+r+"("+i+")"+r+"("+i+")"+r+"("+i+")"+r+"("+i+")\\s*\\))")+"|"+("(?:(translate)\\s*\\(\\s*("+i+")(?:"+r+"("+i+"))?\\s*\\))")+"|"+("(?:(scale)\\s*\\(\\s*("+i+")(?:"+r+"("+i+"))?\\s*\\))")+"|"+("(?:(rotate)\\s*\\(\\s*("+i+")(?:"+r+"("+i+")"+r+"("+i+"))?\\s*\\))")+"|"+("(?:(skewX)\\s*\\(\\s*("+i+")\\s*\\))")+"|"+("(?:(skewY)\\s*\\(\\s*("+i+")\\s*\\))")+")",n=new RegExp("^\\s*(?:"+("(?:"+s+"(?:"+r+s+")*)")+"?)\\s*$"),o=new RegExp(s,"g");return function(i){var r=t.concat(),a=[];if(!i||i&&!n.test(i))return r;i.replace(o,function(i){var n=new RegExp(s).exec(i).filter(function(t){return""!==t&&null!=t}),o=n[1],h=n.slice(2).map(parseFloat);switch(o){case"translate":!function(t,e){t[4]=e[0],2===e.length&&(t[5]=e[1])}(r,h);break;case"rotate":h[0]=e.util.degreesToRadians(h[0]),function(t,e){var 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u=c.item(h);"x"!==u.nodeName&&"y"!==u.nodeName&&"xlink:href"!==u.nodeName&&("transform"===u.nodeName?a=u.nodeValue+" "+a:o.setAttribute(u.nodeName,u.nodeValue))}o.setAttribute("transform",a),o.setAttribute("instantiated_by_use","1"),o.removeAttribute("id"),i.parentNode.replaceChild(o,i)}}(r);var h=new Date,c=e.Object.__uid++,l=o(r.getAttribute("width")||"100%"),u=o(r.getAttribute("height")||"100%");d(r,l,u);var f=e.util.toArray(r.getElementsByTagName("*"));if(0===f.length&&e.isLikelyNode){for(var g=[],p=0,v=(f=r.selectNodes('//*[name(.)!="svg"]')).length;p<v;p++)g[p]=f[p];f=g}var b=f.filter(function(e){return i.test(e.tagName)&&d(e,0,0),t.test(e.tagName)&&!function(t,e){for(;t&&(t=t.parentNode);)if(e.test(t.nodeName)&&!t.getAttribute("instantiated_by_use"))return!0;return!1}(e,/^(?:pattern|defs|symbol)$/)});if(!b||b&&!b.length)n&&n([],{});else{var m={width:l,height:u,widthAttr:l,heightAttr:u,svgUid:c};e.gradientDefs[c]=e.getGradientDefs(r),e.cssRules[c]=e.getCSSRules(r),e.parseElements(b,function(t){e.documentParsingTime=new Date-h,n&&n(t,m)},s(m),a)}}}}();var p={has:function(t,e){e(!1)},get:function(){},set:function(){}};function v(t,e,i){e[i]&&e[i].toSVG&&t.push('<pattern x="0" y="0" id="',i,'Pattern" ','width="',e[i].source.width,'" height="',e[i].source.height,'" patternUnits="userSpaceOnUse">','<image x="0" y="0" ','width="',e[i].source.width,'" height="',e[i].source.height,'" xlink:href="',e[i].source.src,'"></image></pattern>')}i(e,{parseFontDeclaration:function(t,i){var r="(normal|italic)?\\s*(normal|small-caps)?\\s*(normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900)?\\s*("+e.reNum+"(?:px|cm|mm|em|pt|pc|in)*)(?:\\/(normal|"+e.reNum+"))?\\s+(.*)",s=t.match(r);if(s){var n=s[1],a=s[3],h=s[4],c=s[5],l=s[6];n&&(i.fontStyle=n),a&&(i.fontWeight=isNaN(parseFloat(a))?a:parseFloat(a)),h&&(i.fontSize=o(h)),l&&(i.fontFamily=l),c&&(i.lineHeight="normal"===c?1:c)}},getGradientDefs:function(t){var e,i,r,s,n=t.getElementsByTagName("linearGradient"),o=t.getElementsByTagName("radialGradient"),a=0,h=[],c={},l={};for(h.length=n.length+o.length,i=n.length;i--;)h[a++]=n[i];for(i=o.length;i--;)h[a++]=o[i];for(;a--;)s=(e=h[a]).getAttribute("xlink:href"),r=e.getAttribute("id"),s&&(l[r]=s.substr(1)),c[r]=e;for(r in l){var u=c[l[r]].cloneNode(!0);for(e=c[r];u.firstChild;)e.appendChild(u.firstChild)}return c},parseAttributes:function(t,r,s){if(t){var o,a,h={};void 0===s&&(s=t.getAttribute("svgUid")),t.parentNode&&/^symbol|[g|a]$/i.test(t.parentNode.nodeName)&&(h=e.parseAttributes(t.parentNode,r,s)),a=h&&h.fontSize||t.getAttribute("font-size")||e.Text.DEFAULT_SVG_FONT_SIZE;var g=r.reduce(function(e,i){return(o=t.getAttribute(i))&&(i=l(i),o=u(i,o,h,a),e[i]=o),e},{});return(g=i(g,i(function(t,i){var r={};for(var s in e.cssRules[i])if(f(t,s.split(" ")))for(var n in e.cssRules[i][s])r[n]=e.cssRules[i][s][n];return r}(t,s),e.parseStyleAttribute(t)))).font&&e.parseFontDeclaration(g.font,g),function(t){for(var i in c)if(t[i]&&void 0!==t[c[i]]&&0!==t[i].indexOf("url(")){var r=new e.Color(t[i]);t[i]=r.setAlpha(n(r.getAlpha()*t[c[i]],2)).toRgba()}return t}(i(h,g))}},parseElements:function(t,i,r,s){new e.ElementsParser(t,i,r,s).parse()},parseStyleAttribute:function(t){var e={},i=t.getAttribute("style");return i?("string"==typeof i?function(t,e){var i,r;t.replace(/;$/,"").split(";").forEach(function(t){var s=t.split(":");i=l(s[0].trim().toLowerCase()),r=u(i,s[1].trim()),e[i]=r})}(i,e):function(t,e){var i,r;for(var s in t)void 0!==t[s]&&(r=u(i=l(s.toLowerCase()),t[s]),e[i]=r)}(i,e),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){for(var i=t.getElementsByTagName("style"),r={},s=0,n=i.length;s<n;s++){var o=i[s].textContent;""!==(o=o.replace(/\/\*[\s\S]*?\*\//g,"")).trim()&&o.match(/[^{]*\{[\s\S]*?\}/g).map(function(t){return t.trim()}).forEach(function(t){for(var i=t.match(/([\s\S]*?)\s*\{([^}]*)\}/),s={},n=i[2].trim().replace(/;$/,"").split(/\s*;\s*/),o=0,a=n.length;o<a;o++){var h=n[o].split(/\s*:\s*/),c=l(h[0]),f=u(c,h[1],h[0]);s[c]=f}(t=i[1]).split(",").forEach(function(t){""!==(t=t.replace(/^svg/i,"").trim())&&(r[t]=e.util.object.clone(s))})})}return r},loadSVGFromURL:function(t,i,s){function n(r){var n=r.responseXML;n&&!n.documentElement&&e.window.ActiveXObject&&r.responseText&&((n=new ActiveXObject("Microsoft.XMLDOM")).async="false",n.loadXML(r.responseText.replace(/<!DOCTYPE[\s\S]*?(\[[\s\S]*\])*?>/i,""))),n&&n.documentElement&&e.parseSVGDocument(n.documentElement,function(r,s){p.set(t,{objects:e.util.array.invoke(r,"toObject"),options:s}),i(r,s)},s)}t=t.replace(/^\n\s*/,"").trim(),p.has(t,function(s){s?p.get(t,function(t){var s,n,o,a=(n=(s=t).objects,o=s.options,{objects:n=n.map(function(t){return e[r(t.type)].fromObject(t)}),options:o});i(a.objects,a.options)}):new e.util.request(t,{method:"get",onComplete:n})})},loadSVGFromString:function(t,i,r){var s;if(t=t.trim(),"undefined"!=typeof DOMParser){var n=new DOMParser;n&&n.parseFromString&&(s=n.parseFromString(t,"text/xml"))}else e.window.ActiveXObject&&((s=new ActiveXObject("Microsoft.XMLDOM")).async="false",s.loadXML(t.replace(/<!DOCTYPE[\s\S]*?(\[[\s\S]*\])*?>/i,"")));e.parseSVGDocument(s.documentElement,function(t,e){i(t,e)},r)},createSVGFontFacesMarkup:function(t){for(var e="",i=0,r=t.length;i<r;i++)"text"===t[i].type&&t[i].path&&(e+=["@font-face {","font-family: ",t[i].fontFamily,"; ","src: url('",t[i].path,"')","}"].join(""));return e&&(e=['<style type="text/css">',"<![CDATA[",e,"]]>","</style>"].join("")),e},createSVGRefElementsMarkup:function(t){var e=[];return v(e,t,"backgroundColor"),v(e,t,"overlayColor"),e.join("")}})}("undefined"!=typeof exports?exports:this),fabric.ElementsParser=function(t,e,i,r){this.elements=t,this.callback=e,this.options=i,this.reviver=r,this.svgUid=i&&i.svgUid||0},fabric.ElementsParser.prototype.parse=function(){this.instances=new Array(this.elements.length),this.numElements=this.elements.length,this.createObjects()},fabric.ElementsParser.prototype.createObjects=function(){for(var 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)];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){if(t.async)t.fromElement(e,this.createCallback(i,e),this.options);else{var r=t.fromElement(e,this.options);this.resolveGradient(r,"fill"),this.resolveGradient(r,"stroke"),this.reviver&&this.reviver(e,r),this.instances[i]=r,this.checkIfDone()}},fabric.ElementsParser.prototype.createCallback=function(t,e){var i=this;return function(r){i.resolveGradient(r,"fill"),i.resolveGradient(r,"stroke"),i.reviver&&i.reviver(e,r),i.instances[t]=r,i.checkIfDone()}},fabric.ElementsParser.prototype.resolveGradient=function(t,e){var i=t.get(e);if(/^url\(/.test(i)){var r=i.slice(5,i.length-1);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))},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,i.prototype={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 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 new i(this.x+(t.x-this.x)/2,this.y+(t.y-this.y)/2)},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){this.x=t,this.y=e},setFromPoint:function(t){this.x=t.x,this.y=t.y},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i}})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});function i(t){this.status=t,this.points=[]}e.Intersection?e.warn("fabric.Intersection is already defined"):(e.Intersection=i,e.Intersection.prototype={appendPoint:function(t){this.points.push(t)},appendPoints:function(t){this.points=this.points.concat(t)}},e.Intersection.intersectLineLine=function(t,r,s,n){var o,a=(n.x-s.x)*(t.y-s.y)-(n.y-s.y)*(t.x-s.x),h=(r.x-t.x)*(t.y-s.y)-(r.y-t.y)*(t.x-s.x),c=(n.y-s.y)*(r.x-t.x)-(n.x-s.x)*(r.y-t.y);if(0!==c){var l=a/c,u=h/c;0<=l&&l<=1&&0<=u&&u<=1?(o=new i("Intersection")).points.push(new e.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y))):o=new i}else o=new i(0===a||0===h?"Coincident":"Parallel");return o},e.Intersection.intersectLinePolygon=function(t,e,r){for(var s=new i,n=r.length,o=0;o<n;o++){var a=r[o],h=r[(o+1)%n],c=i.intersectLineLine(t,e,a,h);s.appendPoints(c.points)}return s.points.length>0&&(s.status="Intersection"),s},e.Intersection.intersectPolygonPolygon=function(t,e){for(var r=new i,s=t.length,n=0;n<s;n++){var o=t[n],a=t[(n+1)%s],h=i.intersectLinePolygon(o,a,e);r.appendPoints(h.points)}return r.points.length>0&&(r.status="Intersection"),r},e.Intersection.intersectPolygonRectangle=function(t,r,s){var n=r.min(s),o=r.max(s),a=new e.Point(o.x,n.y),h=new e.Point(n.x,o.y),c=i.intersectLinePolygon(n,a,t),l=i.intersectLinePolygon(a,o,t),u=i.intersectLinePolygon(o,h,t),f=i.intersectLinePolygon(h,n,t),g=new i;return g.appendPoints(c.points),g.appendPoints(l.points),g.appendPoints(u.points),g.appendPoints(f.points),g.points.length>0&&(g.status="Intersection"),g})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});function i(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function r(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}e.Color?e.warn("fabric.Color is already defined."):(e.Color=i,e.Color.prototype={_tryParsingColor:function(t){var e;t in i.colorNameMap&&(t=i.colorNameMap[t]),"transparent"!==t?((e=i.sourceFromHex(t))||(e=i.sourceFromRgb(t)),e||(e=i.sourceFromHsl(t)),e&&this.setSource(e)):this.setSource([255,255,255,0])},_rgbToHsl:function(t,i,r){t/=255,i/=255,r/=255;var s,n,o,a=e.util.array.max([t,i,r]),h=e.util.array.min([t,i,r]);if(o=(a+h)/2,a===h)s=n=0;else{var c=a-h;switch(n=o>.5?c/(2-a-h):c/(a+h),a){case t:s=(i-r)/c+(i<r?6:0);break;case i:s=(r-t)/c+2;break;case r:s=(t-i)/c+4}s/=6}return[Math.round(360*s),Math.round(100*n),Math.round(100*o)]},getSource:function(){return this._source},setSource:function(t){this._source=t},toRgb:function(){var t=this.getSource();return"rgb("+t[0]+","+t[1]+","+t[2]+")"},toRgba:function(){var t=this.getSource();return"rgba("+t[0]+","+t[1]+","+t[2]+","+t[3]+")"},toHsl:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsl("+e[0]+","+e[1]+"%,"+e[2]+"%)"},toHsla:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsla("+e[0]+","+e[1]+"%,"+e[2]+"%,"+t[3]+")"},toHex:function(){var t,e,i,r=this.getSource();return t=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()},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 i||(t=new i(t));for(var e=[],r=this.getAlpha(),s=this.getSource(),n=t.getSource(),o=0;o<3;o++)e.push(Math.round(.5*s[o]+.5*n[o]));return e[3]=r,this.setSource(e),this}},e.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,e.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,e.Color.reHex=/^#?([0-9a-f]{6}|[0-9a-f]{3})$/i,e.Color.colorNameMap={aqua:"#00FFFF",black:"#000000",blue:"#0000FF",fuchsia:"#FF00FF",gray:"#808080",green:"#008000",lime:"#00FF00",maroon:"#800000",navy:"#000080",olive:"#808000",orange:"#FFA500",purple:"#800080",red:"#FF0000",silver:"#C0C0C0",teal:"#008080",white:"#FFFFFF",yellow:"#FFFF00"},e.Color.fromRgb=function(t){return i.fromSource(i.sourceFromRgb(t))},e.Color.sourceFromRgb=function(t){var e=t.match(i.reRGBa);if(e){var r=parseInt(e[1],10)/(/%$/.test(e[1])?100:1)*(/%$/.test(e[1])?255:1),s=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(r,10),parseInt(s,10),parseInt(n,10),e[4]?parseFloat(e[4]):1]}},e.Color.fromRgba=i.fromRgb,e.Color.fromHsl=function(t){return i.fromSource(i.sourceFromHsl(t))},e.Color.sourceFromHsl=function(t){var e=t.match(i.reHSLa);if(e){var s,n,o,a=(parseFloat(e[1])%360+360)%360/360,h=parseFloat(e[2])/(/%$/.test(e[2])?100:1),c=parseFloat(e[3])/(/%$/.test(e[3])?100:1);if(0===h)s=n=o=c;else{var l=c<=.5?c*(h+1):c+h-c*h,u=2*c-l;s=r(u,l,a+1/3),n=r(u,l,a),o=r(u,l,a-1/3)}return[Math.round(255*s),Math.round(255*n),Math.round(255*o),e[4]?parseFloat(e[4]):1]}},e.Color.fromHsla=i.fromHsl,e.Color.fromHex=function(t){return i.fromSource(i.sourceFromHex(t))},e.Color.sourceFromHex=function(t){if(t.match(i.reHex)){var e=t.slice(t.indexOf("#")+1),r=3===e.length,s=r?e.charAt(0)+e.charAt(0):e.substring(0,2),n=r?e.charAt(1)+e.charAt(1):e.substring(2,4),o=r?e.charAt(2)+e.charAt(2):e.substring(4,6);return[parseInt(s,16),parseInt(n,16),parseInt(o,16),1]}},e.Color.fromSource=function(t){var e=new i;return e.setSource(t),e})}("undefined"!=typeof exports?exports:this),function(){function t(t){var e,i,r,s=t.getAttribute("style"),n=t.getAttribute("offset");if(n=(n=parseFloat(n)/(/%$/.test(n)?100:1))<0?0:n>1?1:n,s){var o=s.split(/\s*;\s*/);""===o[o.length-1]&&o.pop();for(var a=o.length;a--;){var h=o[a].split(/\s*:\s*/),c=h[0].trim(),l=h[1].trim();"stop-color"===c?e=l:"stop-opacity"===c&&(r=l)}}return e||(e=t.getAttribute("stop-color")||"rgb(0,0,0)"),r||(r=t.getAttribute("stop-opacity")),i=(e=new fabric.Color(e)).getAlpha(),r=isNaN(parseFloat(r))?1:parseFloat(r),r*=i,{offset:n,color:e.toRgb(),opacity:r}}function e(t,e,i){var r,s=0,n=1,o="";for(var a in e)r=parseFloat(e[a],10),n="string"==typeof e[a]&&/^\d+%$/.test(e[a])?.01:1,"x1"===a||"x2"===a||"r2"===a?(n*="objectBoundingBox"===i?t.width:1,s="objectBoundingBox"===i&&t.left||0):"y1"!==a&&"y2"!==a||(n*="objectBoundingBox"===i?t.height:1,s="objectBoundingBox"===i&&t.top||0),e[a]=r*n+s;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:e,color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(){return{type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY}},toSVG:function(t){var e,i,r=fabric.util.object.clone(this.coords);if(this.colorStops.sort(function(t,e){return t.offset-e.offset}),!t.group||"path-group"!==t.group.type)for(var s in r)"x1"===s||"x2"===s||"r2"===s?r[s]+=this.offsetX-t.width/2:"y1"!==s&&"y2"!==s||(r[s]+=this.offsetY-t.height/2);i='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(i+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?e=["<linearGradient ",i,' x1="',r.x1,'" y1="',r.y1,'" x2="',r.x2,'" y2="',r.y2,'">\n']:"radial"===this.type&&(e=["<radialGradient ",i,' cx="',r.x2,'" cy="',r.y2,'" r="',r.r2,'" fx="',r.x1,'" fy="',r.y1,'">\n']);for(var n=0;n<this.colorStops.length;n++)e.push("<stop ",'offset="',100*this.colorStops[n].offset+"%",'" style="stop-color:',this.colorStops[n].color,null!=this.colorStops[n].opacity?";stop-opacity: "+this.colorStops[n].opacity:";",'"/>\n');return e.push("linear"===this.type?"</linearGradient>\n":"</radialGradient>\n"),e.join("")},toLive:function(t,e){var i,r=fabric.util.object.clone(this.coords);if(this.type){if(e.group&&"path-group"===e.group.type)for(var s in r)"x1"===s||"x2"===s?r[s]+=-this.offsetX+e.width/2:"y1"!==s&&"y2"!==s||(r[s]+=-this.offsetY+e.height/2);"linear"===this.type?i=t.createLinearGradient(r.x1,r.y1,r.x2,r.y2):"radial"===this.type&&(i=t.createRadialGradient(r.x1,r.y1,r.r1,r.x2,r.y2,r.r2));for(var n=0,o=this.colorStops.length;n<o;n++){var a=this.colorStops[n].color,h=this.colorStops[n].opacity,c=this.colorStops[n].offset;void 0!==h&&(a=new fabric.Color(a).setAlpha(h).toRgba()),i.addColorStop(parseFloat(c),a)}return i}}}),fabric.util.object.extend(fabric.Gradient,{fromElement:function(i,r){var s,n=i.getElementsByTagName("stop"),o="linearGradient"===i.nodeName?"linear":"radial",a=i.getAttribute("gradientUnits")||"objectBoundingBox",h=i.getAttribute("gradientTransform"),c=[],l={};"linear"===o?l=function(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}(i):"radial"===o&&(l=function(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}(i));for(var u=n.length;u--;)c.push(t(n[u]));s=e(r,l,a);var f=new fabric.Gradient({type:o,coords:l,colorStops:c,offsetX:-r.left,offsetY:-r.top});return(h||""!==s)&&(f.gradientTransform=fabric.parseTransformAttribute((h||"")+s)),f},forObject:function(t,i){return i||(i={}),e(t,i.coords,"userSpaceOnUse"),new fabric.Gradient(i)}})}(),fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,initialize:function(t){if(t||(t={}),this.id=fabric.Object.__uid++,t.source)if("string"==typeof t.source)if(void 0!==fabric.util.getFunctionBody(t.source))this.source=new Function(fabric.util.getFunctionBody(t.source));else{var e=this;this.source=fabric.util.createImage(),fabric.util.loadImage(t.source,function(t){e.source=t})}else this.source=t.source;t.repeat&&(this.repeat=t.repeat),t.offsetX&&(this.offsetX=t.offsetX),t.offsetY&&(this.offsetY=t.offsetY)},toObject:function(){var t;return"function"==typeof this.source?t=String(this.source):"string"==typeof this.source.src&&(t=this.source.src),{source:t,repeat:this.repeat,offsetX:this.offsetX,offsetY:this.offsetY}},toSVG:function(t){var e="function"==typeof this.source?this.source():this.source,i=e.width/t.getWidth(),r=e.height/t.getHeight(),s=this.offsetX/t.getWidth(),n=this.offsetY/t.getHeight(),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="'+s+'" y="'+n+'" width="'+i+'" height="'+r+'">\n<image x="0" y="0" width="'+e.width+'" height="'+e.height+'" xlink:href="'+o+'"></image>\n</pattern>\n'},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 e=t.fabric||(t.fabric={});e.Shadow?e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(t){for(var i in"string"==typeof t&&(t=this._parseShadow(t)),t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(i)||[];return{color:(i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)").trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var e="SourceAlpha",i=40,r=40;return!t||t.fill!==this.color&&t.stroke!==this.color||(e="SourceGraphic"),t.width&&t.height&&(i=100*Math.abs(this.offsetX/t.getWidth())+20,r=100*Math.abs(this.offsetY/t.getHeight())+20),'<filter id="SVGID_'+this.id+'" y="-'+r+'%" height="'+(100+2*r)+'%" x="-'+i+'%" width="'+(100+2*i)+'%" >\n\t<feGaussianBlur in="'+e+'" stdDeviation="'+(this.blur?this.blur/3:0)+'"></feGaussianBlur>\n\t<feOffset dx="'+this.offsetX+'" dy="'+this.offsetY+'"></feOffset>\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};var t={},i=e.Shadow.prototype;return this.color!==i.color&&(t.color=this.color),this.blur!==i.blur&&(t.blur=this.blur),this.offsetX!==i.offsetX&&(t.offsetX=this.offsetX),this.offsetY!==i.offsetY&&(t.offsetY=this.offsetY),t}}),e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/)}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)fabric.warn("fabric.StaticCanvas is already defined.");else{var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass({initialize:function(t,e){e||(e={}),this._initStatic(t,e),fabric.StaticCanvas.activeInstance=this},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!0,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,preserveObjectStacking:!1,viewportTransform:[1,0,0,1,0,0],onBeforeScaleRotate:function(){},_initStatic:function(t,e){this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),e.overlayImage&&this.setOverlayImage(e.overlayImage,this.renderAll.bind(this)),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,this.renderAll.bind(this)),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,this.renderAll.bind(this)),e.overlayColor&&this.setOverlayColor(e.overlayColor,this.renderAll.bind(this)),this.calcOffset()},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=this.imageSmoothingEnabled,t.webkitImageSmoothingEnabled=this.imageSmoothingEnabled,t.mozImageSmoothingEnabled=this.imageSmoothingEnabled,t.msImageSmoothingEnabled=this.imageSmoothingEnabled,t.oImageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e){this[t]=new fabric.Image(e,r),i&&i()},this,r&&r.crossOrigin):(this[t]=e,i&&i()),this},__setBgOverlayColor:function(t,e,i){if(e&&e.source){var r=this;fabric.util.loadImage(e.source,function(s){r[t]=new fabric.Pattern({source:s,repeat:e.repeat,offsetX:e.offsetX,offsetY:e.offsetY}),i&&i()})}else this[t]=e,i&&i();return this},_createCanvasElement:function(){var t=fabric.document.createElement("canvas");if(t.style||(t.style={}),!t)throw r;return this._initCanvasElement(t),t},_initCanvasElement:function(t){if(fabric.util.createCanvasElement(t),void 0===t.getContext)throw r},_initOptions:function(t){for(var e in t)this[e]=t[e];this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(),this._initCanvasElement(this.lowerCanvasEl),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(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"),e.backstoreOnly||this._setCssDimension(r,i);return e.cssOnly||this.renderAll(),this.calcOffset(),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 Math.sqrt(this.viewportTransform[0]*this.viewportTransform[3])},setViewportTransform:function(t){this.viewportTransform=t,this.renderAll();for(var e=0,i=this._objects.length;e<i;e++)this._objects[e].setCoords();return this},zoomToPoint:function(t,e){var i=t;t=fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform)),this.viewportTransform[0]=e,this.viewportTransform[3]=e;var r=fabric.util.transformPoint(t,this.viewportTransform);this.viewportTransform[4]+=i.x-r.x,this.viewportTransform[5]+=i.y-r.y,this.renderAll();for(var s=0,n=this._objects.length;s<n;s++)this._objects[s].setCoords();return this},setZoom:function(t){return this.zoomToPoint(new fabric.Point(0,0),t),this},absolutePan:function(t){this.viewportTransform[4]=-t.x,this.viewportTransform[5]=-t.y,this.renderAll();for(var e=0,i=this._objects.length;e<i;e++)this._objects[e].setCoords();return this},relativePan:function(t){return this.absolutePan(new fabric.Point(-t.x-this.viewportTransform[4],-t.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},getActiveObject:function(){return null},getActiveGroup:function(){return null},_draw:function(t,e){if(e){t.save();var i=this.viewportTransform;t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this._shouldRenderObject(e)&&e.render(t),t.restore(),this.controlsAboveOverlay||e._renderControls(t)}},_shouldRenderObject:function(t){return!!t&&(t!==this.getActiveGroup()||!this.preserveObjectStacking)},_onObjectAdded:function(t){this.stateful&&t.setupState(),t.canvas=this,t.setCoords(),this.fire("object:added",{target:t}),t.fire("added")},_onObjectRemoved:function(t){this.getActiveObject()===t&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared")),this.fire("object:removed",{target:t}),t.fire("removed")},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.discardActiveGroup&&this.discardActiveGroup(),this.discardActiveObject&&this.discardActiveObject(),this.clearContext(this.contextContainer),this.contextTop&&this.clearContext(this.contextTop),this.fire("canvas:cleared"),this.renderAll(),this},renderAll:function(t){var e=this[!0===t&&this.interactive?"contextTop":"contextContainer"],i=this.getActiveGroup();return this.contextTop&&this.selection&&!this._groupSelector&&this.clearContext(this.contextTop),t||this.clearContext(e),this.fire("before:render"),this.clipTo&&fabric.util.clipContext(this,e),this._renderBackground(e),this._renderObjects(e,i),this._renderActiveGroup(e,i),this.clipTo&&e.restore(),this._renderOverlay(e),this.controlsAboveOverlay&&this.interactive&&this.drawControls(e),this.fire("after:render"),this},_renderObjects:function(t,e){var i,r;if(!e||this.preserveObjectStacking)for(i=0,r=this._objects.length;i<r;++i)this._draw(t,this._objects[i]);else for(i=0,r=this._objects.length;i<r;++i)this._objects[i]&&!e.contains(this._objects[i])&&this._draw(t,this._objects[i])},_renderActiveGroup:function(t,e){if(e){var i=[];this.forEachObject(function(t){e.contains(t)&&i.push(t)}),e._set("objects",i),this._draw(t,e)}},_renderBackground:function(t){this.backgroundColor&&(t.fillStyle=this.backgroundColor.toLive?this.backgroundColor.toLive(t):this.backgroundColor,t.fillRect(this.backgroundColor.offsetX||0,this.backgroundColor.offsetY||0,this.width,this.height)),this.backgroundImage&&this._draw(t,this.backgroundImage)},_renderOverlay:function(t){this.overlayColor&&(t.fillStyle=this.overlayColor.toLive?this.overlayColor.toLive(t):this.overlayColor,t.fillRect(this.overlayColor.offsetX||0,this.overlayColor.offsetY||0,this.width,this.height)),this.overlayImage&&this._draw(t,this.overlayImage)},renderTop:function(){var t=this.contextTop||this.contextContainer;this.clearContext(t),this.selection&&this._groupSelector&&this._drawSelection();var e=this.getActiveGroup();return e&&e.render(t),this._renderOverlay(t),this.fire("after:render"),this},getCenter:function(){return{top:this.getHeight()/2,left:this.getWidth()/2}},centerObjectH:function(t){return this._centerObject(t,new fabric.Point(this.getCenter().left,t.getCenterPoint().y)),this.renderAll(),this},centerObjectV:function(t){return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,this.getCenter().top)),this.renderAll(),this},centerObject:function(t){var e=this.getCenter();return this._centerObject(t,new fabric.Point(e.left,e.top)),this.renderAll(),this},_centerObject:function(t,e){return t.setPositionByOrigin(e,"center","center"),this},toDatalessJSON:function(t){return this.toDatalessObject(t)},toObject:function(t){return this._toObjectMethod("toObject",t)},toDatalessObject:function(t){return this._toObjectMethod("toDatalessObject",t)},_toObjectMethod:function(e,i){var r=this.getActiveGroup();r&&this.discardActiveGroup();var s={objects:this._toObjects(e,i)};return t(s,this.__serializeBgOverlay()),fabric.util.populateWithProperties(this,s,i),r&&(this.setActiveGroup(new fabric.Group(r.getObjects(),{originX:"center",originY:"center"})),r.forEachObject(function(t){t.set("active",!0)}),this._currentTransform&&(this._currentTransform.target=this.getActiveGroup())),s},_toObjects:function(t,e){return this.getObjects().map(function(i){return this._toObject(i,t,e)},this)},_toObject:function(t,e,i){var r;this.includeDefaultValues||(r=t.includeDefaultValues,t.includeDefaultValues=!1);var s=t[e](i);return this.includeDefaultValues||(t.includeDefaultValues=r),s},__serializeBgOverlay:function(){var t={background:this.backgroundColor&&this.backgroundColor.toObject?this.backgroundColor.toObject():this.backgroundColor};return this.overlayColor&&(t.overlay=this.overlayColor.toObject?this.overlayColor.toObject():this.overlayColor),this.backgroundImage&&(t.backgroundImage=this.backgroundImage.toObject()),this.overlayImage&&(t.overlayImage=this.overlayImage.toObject()),t},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"),this._setSVGObjects(i,e),this._setSVGBgOverlayColor(i,"overlayColor"),this._setSVGBgOverlayImage(i,"overlayImage"),i.push("</svg>"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('<?xml version="1.0" encoding="',e.encoding||"UTF-8",'" standalone="no" ?>','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(t,e){var i,r,s;e.viewBox?(i=e.viewBox.width,r=e.viewBox.height):(i=this.width,r=this.height,this.svgViewportTransformation||(i/=(s=this.viewportTransform)[0],r/=s[3])),t.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',i,'" ','height="',r,'" ',this.backgroundColor&&!this.backgroundColor.toLive?'style="background-color: '+this.backgroundColor+'" ':null,e.viewBox?'viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':null,'xml:space="preserve">',"<desc>Created with Fabric.js ",fabric.version,"</desc>","<defs>",fabric.createSVGFontFacesMarkup(this.getObjects()),fabric.createSVGRefElementsMarkup(this),"</defs>")},_setSVGObjects:function(t,e){var i=this.getActiveGroup();i&&this.discardActiveGroup();for(var r=0,s=this.getObjects(),n=s.length;r<n;r++)t.push(s[r].toSVG(e));i&&(this.setActiveGroup(new fabric.Group(i.getObjects())),i.forEachObject(function(t){t.set("active",!0)}))},_setSVGBgOverlayImage:function(t,e){this[e]&&this[e].toSVG&&t.push(this[e].toSVG())},_setSVGBgOverlayColor:function(t,e){this[e]&&this[e].source?t.push('<rect x="',this[e].offsetX,'" y="',this[e].offsetY,'" ','width="',"repeat-y"===this[e].repeat||"no-repeat"===this[e].repeat?this[e].source.width:this.width,'" height="',"repeat-x"===this[e].repeat||"no-repeat"===this[e].repeat?this[e].source.height:this.height,'" fill="url(#'+e+'Pattern)"',"></rect>"):this[e]&&"overlayColor"===e&&t.push('<rect x="0" y="0" ','width="',this.width,'" height="',this.height,'" fill="',this[e],'"',"></rect>")},sendToBack:function(t){return i(this._objects,t),this._objects.unshift(t),this.renderAll&&this.renderAll()},bringToFront:function(t){return i(this._objects,t),this._objects.push(t),this.renderAll&&this.renderAll()},sendBackwards:function(t,e){var r=this._objects.indexOf(t);if(0!==r){var s=this._findNewLowerIndex(t,r,e);i(this._objects,t),this._objects.splice(s,0,t),this.renderAll&&this.renderAll()}return this},_findNewLowerIndex:function(t,e,i){var r;if(i){r=e;for(var s=e-1;s>=0;--s){if(t.intersectsWithObject(this._objects[s])||t.isContainedWithinObject(this._objects[s])||this._objects[s].isContainedWithinObject(t)){r=s;break}}}else r=e-1;return r},bringForward:function(t,e){var r=this._objects.indexOf(t);if(r!==this._objects.length-1){var s=this._findNewUpperIndex(t,r,e);i(this._objects,t),this._objects.splice(s,0,t),this.renderAll&&this.renderAll()}return this},_findNewUpperIndex:function(t,e,i){var r;if(i){r=e;for(var s=e+1;s<this._objects.length;++s){if(t.intersectsWithObject(this._objects[s])||t.isContainedWithinObject(this._objects[s])||this._objects[s].isContainedWithinObject(t)){r=s;break}}}else r=e+1;return r},moveTo:function(t,e){return i(this._objects,t),this._objects.splice(e,0,t),this.renderAll&&this.renderAll()},dispose:function(){return this.clear(),this.interactive&&this.removeListeners(),this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this.getObjects().length+" }>"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return 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.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",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.lineJoin=this.strokeLineJoin},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop;t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur,t.shadowOffsetX=this.shadow.offsetX,t.shadowOffsetY=this.shadow.offsetY}},_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=[]},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){this._captureDrawingPath(t),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){this._points.push(t)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);this._addPoint(e)},_render:function(){var t=this.canvas.contextTop,e=this.canvas.viewportTransform,i=this._points[0],r=this._points[1];t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.beginPath(),2===this._points.length&&i.x===r.x&&i.y===r.y&&(i.x-=.5,r.x+=.5),t.moveTo(i.x,i.y);for(var s=1,n=this._points.length;s<n;s++){var o=i.midPointFrom(r);t.quadraticCurveTo(i.x,i.y,o.x,o.y),i=this._points[s],r=this._points[s+1]}t.lineTo(i.x,i.y),t.stroke(),t.restore()},convertPointsToSVGPath:function(t){var e=[],i=new fabric.Point(t[0].x,t[0].y),r=new fabric.Point(t[1].x,t[1].y);e.push("M ",t[0].x," ",t[0].y," ");for(var s=1,n=t.length;s<n;s++){var o=i.midPointFrom(r);e.push("Q ",i.x," ",i.y," ",o.x," ",o.y," "),i=new fabric.Point(t[s].x,t[s].y),s+1<t.length&&(r=new fabric.Point(t[s+1].x,t[s+1].y))}return e.push("L ",i.x," ",i.y," "),e},createPath:function(t){var e=new fabric.Path(t,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,originX:"center",originY:"center"});return 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.add(e),e.setCoords(),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderAll(),this.canvas.fire("path:created",{path:e})}else this.canvas.renderAll()}}),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(t){this.canvas=t,this.points=[]},drawDot:function(t){var e=this.addPoint(t),i=this.canvas.contextTop,r=this.canvas.viewportTransform;i.save(),i.transform(r[0],r[1],r[2],r[3],r[4],r[5]),i.fillStyle=e.fill,i.beginPath(),i.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),i.closePath(),i.fill(),i.restore()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},onMouseMove:function(t){this.drawDot(t)},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,r=this.points.length;i<r;i++){var s=this.points[i],n=new fabric.Circle({radius:s.radius,left:s.x,top:s.y,originX:"center",originY:"center",fill:s.fill});this.shadow&&n.setShadow(this.shadow),e.push(n)}var o=new fabric.Group(e,{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=t,this.canvas.renderAll()},addPoint:function(t){var e=new fabric.Point(t.x,t.y),i=fabric.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,r=new fabric.Color(this.color).setAlpha(fabric.util.getRandomInt(0,100)/100).toRgba();return e.radius=i,e.fill=r,this.points.push(e),e}}),fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(t){this.canvas=t,this.sprayChunks=[]},onMouseDown:function(t){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(t),this.render()},onMouseMove:function(t){this.addSprayChunk(t),this.render()},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,r=this.sprayChunks.length;i<r;i++)for(var s=this.sprayChunks[i],n=0,o=s.length;n<o;n++){var a=new fabric.Rect({width:s[n].width,height:s[n].width,left:s[n].x+1,top:s[n].y+1,originX:"center",originY:"center",fill:this.color});this.shadow&&a.setShadow(this.shadow),e.push(a)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var h=new fabric.Group(e,{originX:"center",originY:"center"});h.canvas=this.canvas,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.renderAll()},_getOptimizedRects:function(t){for(var e,i={},r=0,s=t.length;r<s;r++)i[e=t[r].left+""+t[r].top]||(i[e]=t[r]);var n=[];for(e in i)n.push(i[e]);return n},render:function(){var t=this.canvas.contextTop;t.fillStyle=this.color;var e=this.canvas.viewportTransform;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]);for(var i=0,r=this.sprayChunkPoints.length;i<r;i++){var s=this.sprayChunkPoints[i];void 0!==s.opacity&&(t.globalAlpha=s.opacity),t.fillRect(s.x,s.y,s.width,s.width)}t.restore()},addSprayChunk:function(t){this.sprayChunkPoints=[];for(var e,i,r,s=this.width/2,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);return e.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction()}),e}}),function(){var t=fabric.util.getPointer,e=fabric.util.degreesToRadians,i=fabric.util.radiansToDegrees,r=Math.atan2,s=Math.abs;for(var n in fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(t,e){e||(e={}),this._initStatic(t,e),this._initInteractive(),this._createCacheCanvas(),fabric.Canvas.activeInstance=this},uniScaleTransform:!1,centeredScaling:!1,centeredRotation:!1,interactive:!0,selection:!0,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",rotationCursor:"crosshair",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEventListeners(),this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this),this.calcOffset()},_resetCurrentTransform:function(t){var e=this._currentTransform;e.target.set({scaleX:e.original.scaleX,scaleY:e.original.scaleY,left:e.original.left,top:e.original.top}),this._shouldCenterTransform(t,e.target)?"rotate"===e.action?this._setOriginToCenter(e.target):("center"!==e.originX&&("right"===e.originX?e.mouseXSign=-1:e.mouseXSign=1),"center"!==e.originY&&("bottom"===e.originY?e.mouseYSign=-1:e.mouseYSign=1),e.originX="center",e.originY="center"):(e.originX=e.original.originX,e.originY=e.original.originY)},containsPoint:function(t,e){var i=this.getPointer(t,!0),r=this._normalizePointer(e,i);return e.containsPoint(r)||e._findTargetCorner(i)},_normalizePointer:function(t,e){var i,r=this.getActiveGroup(),s=e.x,n=e.y;return r&&"group"!==t.type&&r.contains(t)&&(i=new fabric.Point(r.left,r.top),s-=(i=fabric.util.transformPoint(i,this.viewportTransform,!0)).x,n-=i.y),{x:s,y:n}},isTargetTransparent:function(t,e,i){var r=t.hasBorders,s=t.transparentCorners;t.hasBorders=t.transparentCorners=!1,this._draw(this.contextCache,t),t.hasBorders=r,t.transparentCorners=s;var n=fabric.util.isTransparent(this.contextCache,e,i,this.targetFindTolerance);return this.clearContext(this.contextCache),n},_shouldClearSelection:function(t,e){var i=this.getActiveGroup(),r=this.getActiveObject();return!e||e&&i&&!i.contains(e)&&i!==e&&!t.shiftKey||e&&!e.evented||e&&!e.selectable&&r&&r!==e},_shouldCenterTransform:function(t,e){if(e){var i,r=this._currentTransform;return"scale"===r.action||"scaleX"===r.action||"scaleY"===r.action?i=this.centeredScaling||e.centeredScaling:"rotate"===r.action&&(i=this.centeredRotation||e.centeredRotation),i?!t.altKey:t.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){var i="drag";return e&&(i="ml"===e||"mr"===e?"scaleX":"mt"===e||"mb"===e?"scaleY":"mtr"===e?"rotate":"scale"),i},_setupCurrentTransform:function(t,i){if(i){var r=this.getPointer(t),s=i._findTargetCorner(this.getPointer(t,!0)),n=this._getActionFromCorner(i,s),o=this._getOriginFromCorner(i,s);this._currentTransform={target:i,action:n,scaleX:i.scaleX,scaleY:i.scaleY,offsetX:r.x-i.left,offsetY:r.y-i.top,originX:o.x,originY:o.y,ex:r.x,ey:r.y,left:i.left,top:i.top,theta:e(i.angle),width:i.width*i.scaleX,mouseXSign:1,mouseYSign:1},this._currentTransform.original={left:i.left,top:i.top,scaleX:i.scaleX,scaleY:i.scaleY,originX:o.x,originY:o.y},this._resetCurrentTransform(t)}},_translateObject:function(t,e){var i=this._currentTransform.target;i.get("lockMovementX")||i.set("left",t-this._currentTransform.offsetX),i.get("lockMovementY")||i.set("top",e-this._currentTransform.offsetY)},_scaleObject:function(t,e,i){var r=this._currentTransform,s=r.target,n=s.get("lockScalingX"),o=s.get("lockScalingY"),a=s.get("lockScalingFlip");if(!n||!o){var h=s.translateToOriginPoint(s.getCenterPoint(),r.originX,r.originY),c=s.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY);this._setLocalMouse(c,r),this._setObjectScale(c,r,n,o,i,a),s.setPositionByOrigin(h,r.originX,r.originY)}},_setObjectScale:function(t,e,i,r,s,n){var o=e.target,a=!1,h=!1,c=o.stroke?o.strokeWidth:0;e.newScaleX=t.x/(o.width+c/2),e.newScaleY=t.y/(o.height+c/2),n&&e.newScaleX<=0&&e.newScaleX<o.scaleX&&(a=!0),n&&e.newScaleY<=0&&e.newScaleY<o.scaleY&&(h=!0),"equally"!==s||i||r?s?"x"!==s||o.get("lockUniScaling")?"y"!==s||o.get("lockUniScaling")||h||r||o.set("scaleY",e.newScaleY):a||i||o.set("scaleX",e.newScaleX):(a||i||o.set("scaleX",e.newScaleX),h||r||o.set("scaleY",e.newScaleY)):a||h||this._scaleObjectEqually(t,o,e),a||h||this._flipObject(e,s)},_scaleObjectEqually:function(t,e,i){var r=t.y+t.x,s=e.stroke?e.strokeWidth:0,n=(e.height+s/2)*i.original.scaleY+(e.width+s/2)*i.original.scaleX;i.newScaleX=i.original.scaleX*r/n,i.newScaleY=i.original.scaleY*r/n,e.set("scaleX",i.newScaleX),e.set("scaleY",i.newScaleY)},_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;"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)),s(t.x)>i.padding?t.x<0?t.x+=i.padding:t.x-=i.padding:t.x=0,s(t.y)>i.padding?t.y<0?t.y+=i.padding:t.y-=i.padding:t.y=0},_rotateObject:function(t,e){var s=this._currentTransform;if(!s.target.get("lockRotation")){var n=r(s.ey-s.top,s.ex-s.left),o=r(e-s.top,t-s.left),a=i(o-n+s.theta);a<0&&(a=360+a),s.target.angle=a%360}},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.setAngle(0)},_drawSelection:function(){var t=this.contextTop,e=this._groupSelector,i=e.left,r=e.top,n=s(i),o=s(r);if(t.fillStyle=this.selectionColor,t.fillRect(e.ex-(i>0?0:-i),e.ey-(r>0?0:-r),n,o),t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1){var a=e.ex+.5-(i>0?0:n),h=e.ey+.5-(r>0?0:o);t.beginPath(),fabric.util.drawDashedLine(t,a,h,a+n,h,this.selectionDashArray),fabric.util.drawDashedLine(t,a,h+o-1,a+n,h+o-1,this.selectionDashArray),fabric.util.drawDashedLine(t,a,h,a,h+o,this.selectionDashArray),fabric.util.drawDashedLine(t,a+n-1,h,a+n-1,h+o,this.selectionDashArray),t.closePath(),t.stroke()}else t.strokeRect(e.ex+.5-(i>0?0:n),e.ey+.5-(r>0?0:o),n,o)},_isLastRenderedObject:function(t){return this.controlsAboveOverlay&&this.lastRenderedObjectWithControlsAboveOverlay&&this.lastRenderedObjectWithControlsAboveOverlay.visible&&this.containsPoint(t,this.lastRenderedObjectWithControlsAboveOverlay)&&this.lastRenderedObjectWithControlsAboveOverlay._findTargetCorner(this.getPointer(t,!0))},findTarget:function(t,e){if(!this.skipTargetFind){if(this._isLastRenderedObject(t))return this.lastRenderedObjectWithControlsAboveOverlay;var i=this.getActiveGroup();if(i&&!e&&this.containsPoint(t,i))return i;var r=this._searchPossibleTargets(t);return this._fireOverOutEvents(r),r}},_fireOverOutEvents:function(t){t?this._hoveredTarget!==t&&(this.fire("mouse:over",{target:t}),t.fire("mouseover"),this._hoveredTarget&&(this.fire("mouse:out",{target:this._hoveredTarget}),this._hoveredTarget.fire("mouseout")),this._hoveredTarget=t):this._hoveredTarget&&(this.fire("mouse:out",{target:this._hoveredTarget}),this._hoveredTarget.fire("mouseout"),this._hoveredTarget=null)},_checkTarget:function(t,e,i){if(e&&e.visible&&e.evented&&this.containsPoint(t,e)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;if(!this.isTargetTransparent(e,i.x,i.y))return!0}},_searchPossibleTargets:function(t){for(var e,i=this.getPointer(t,!0),r=this._objects.length;r--;)if(this._checkTarget(t,this._objects[r],i)){this.relatedTarget=this._objects[r],e=this._objects[r];break}return e},getPointer:function(e,i,r){r||(r=this.upperCanvasEl);var s,n=t(e,r),o=r.getBoundingClientRect(),a=o.width||0,h=o.height||0;return a&&h||("top"in o&&"bottom"in o&&(h=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),n.x=n.x-this._offset.left,n.y=n.y-this._offset.top,i||(n=fabric.util.transformPoint(n,fabric.util.invertTransform(this.viewportTransform))),s=0===a||0===h?{width:1,height:1}:{width:r.width/a,height:r.height/h},{x:n.x*s.width,y:n.y*s.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");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.getWidth()+"px",height:this.getHeight()+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.getWidth()||t.width,i=this.getHeight()||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0}),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},_setActiveObject:function(t){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=t,t.set("active",!0)},setActiveObject:function(t,e){return this._setActiveObject(t),this.renderAll(),this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e}),this},getActiveObject:function(){return this._activeObject},_discardActiveObject:function(){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=null},discardActiveObject:function(t){return this._discardActiveObject(),this.renderAll(),this.fire("selection:cleared",{e:t}),this},_setActiveGroup:function(t){this._activeGroup=t,t&&t.set("active",!0)},setActiveGroup:function(t,e){return this._setActiveGroup(t),t&&(this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e})),this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var t=this.getActiveGroup();t&&t.destroy(),this.setActiveGroup(null)},discardActiveGroup:function(t){return this._discardActiveGroup(),this.fire("selection:cleared",{e:t}),this},deactivateAll:function(){for(var t=this.getObjects(),e=0,i=t.length;e<i;e++)t[e].set("active",!1);return this._discardActiveGroup(),this._discardActiveObject(),this},deactivateAllWithDispatch:function(t){var e=this.getActiveGroup()||this.getActiveObject();return e&&this.fire("before:selection:cleared",{target:e,e:t}),this.deactivateAll(),e&&this.fire("selection:cleared",{e:t}),this},drawControls:function(t){var e=this.getActiveGroup();e?this._drawGroupControls(t,e):this._drawObjectsControls(t)},_drawGroupControls:function(t,e){e._renderControls(t)},_drawObjectsControls:function(t){for(var e=0,i=this._objects.length;e<i;++e)this._objects[e]&&this._objects[e].active&&(this._objects[e]._renderControls(t),this.lastRenderedObjectWithControlsAboveOverlay=this._objects[e])}}),fabric.StaticCanvas)"prototype"!==n&&(fabric.Canvas[n]=fabric.StaticCanvas[n]);fabric.isTouchSupported&&(fabric.Canvas.prototype._setCursorFromEvent=function(){}),fabric.Element=fabric.Canvas}(),function(){var t={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},e=fabric.util.addListener,i=fabric.util.removeListener;fabric.util.object.extend(fabric.Canvas.prototype,{cursorMap:["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],_initEventListeners:function(){this._bindEvents(),e(fabric.window,"resize",this._onResize),e(this.upperCanvasEl,"mousedown",this._onMouseDown),e(this.upperCanvasEl,"mousemove",this._onMouseMove),e(this.upperCanvasEl,"mousewheel",this._onMouseWheel),e(this.upperCanvasEl,"touchstart",this._onMouseDown),e(this.upperCanvasEl,"touchmove",this._onMouseMove),"undefined"!=typeof Event&&"add"in Event&&(Event.add(this.upperCanvasEl,"gesture",this._onGesture),Event.add(this.upperCanvasEl,"drag",this._onDrag),Event.add(this.upperCanvasEl,"orientation",this._onOrientationChange),Event.add(this.upperCanvasEl,"shake",this._onShake),Event.add(this.upperCanvasEl,"longpress",this._onLongPress))},_bindEvents:function(){this._onMouseDown=this._onMouseDown.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onLongPress=this._onLongPress.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this)},removeListeners:function(){i(fabric.window,"resize",this._onResize),i(this.upperCanvasEl,"mousedown",this._onMouseDown),i(this.upperCanvasEl,"mousemove",this._onMouseMove),i(this.upperCanvasEl,"mousewheel",this._onMouseWheel),i(this.upperCanvasEl,"touchstart",this._onMouseDown),i(this.upperCanvasEl,"touchmove",this._onMouseMove),"undefined"!=typeof Event&&"remove"in Event&&(Event.remove(this.upperCanvasEl,"gesture",this._onGesture),Event.remove(this.upperCanvasEl,"drag",this._onDrag),Event.remove(this.upperCanvasEl,"orientation",this._onOrientationChange),Event.remove(this.upperCanvasEl,"shake",this._onShake),Event.remove(this.upperCanvasEl,"longpress",this._onLongPress))},_onGesture:function(t,e){this.__onTransformGesture&&this.__onTransformGesture(t,e)},_onDrag:function(t,e){this.__onDrag&&this.__onDrag(t,e)},_onMouseWheel:function(t,e){this.__onMouseWheel&&this.__onMouseWheel(t,e)},_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)},_onMouseDown:function(t){this.__onMouseDown(t),e(fabric.document,"touchend",this._onMouseUp),e(fabric.document,"touchmove",this._onMouseMove),i(this.upperCanvasEl,"mousemove",this._onMouseMove),i(this.upperCanvasEl,"touchmove",this._onMouseMove),"touchstart"===t.type?i(this.upperCanvasEl,"mousedown",this._onMouseDown):(e(fabric.document,"mouseup",this._onMouseUp),e(fabric.document,"mousemove",this._onMouseMove))},_onMouseUp:function(t){if(this.__onMouseUp(t),i(fabric.document,"mouseup",this._onMouseUp),i(fabric.document,"touchend",this._onMouseUp),i(fabric.document,"mousemove",this._onMouseMove),i(fabric.document,"touchmove",this._onMouseMove),e(this.upperCanvasEl,"mousemove",this._onMouseMove),e(this.upperCanvasEl,"touchmove",this._onMouseMove),"touchend"===t.type){var r=this;setTimeout(function(){e(r.upperCanvasEl,"mousedown",r._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.getActiveGroup()||this.getActiveObject();return!!(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;if(this.isDrawingMode&&this._isCurrentlyDrawing)this._onMouseUpInDrawingMode(t);else{this._currentTransform?(this._finalizeCurrentTransform(),e=this._currentTransform.target):e=this.findTarget(t,!0);var i=this._shouldRender(e,this.getPointer(t));this._maybeGroupObjects(t),e&&(e.isMoving=!1),i&&this.renderAll(),this._handleCursorAndEvent(t,e)}},_handleCursorAndEvent:function(t,e){this._setCursorFromEvent(t,e);var i=this;setTimeout(function(){i._setCursorFromEvent(t,e)},50),this.fire("mouse:up",{target:e,e:t}),e&&e.fire("mouseup",{e:t})},_finalizeCurrentTransform:function(){var t=this._currentTransform.target;t._scaling&&(t._scaling=!1),t.setCoords(),this.stateful&&t.hasStateChanged()&&(this.fire("object:modified",{target:t}),t.fire("modified")),this._restoreOriginXY(t)},_restoreOriginXY:function(t){if(this._previousOriginX&&this._previousOriginY){var e=t.translateToOriginPoint(t.getCenterPoint(),this._previousOriginX,this._previousOriginY);t.originX=this._previousOriginX,t.originY=this._previousOriginY,t.left=e.x,t.top=e.y,this._previousOriginX=null,this._previousOriginY=null}},_onMouseDownInDrawingMode:function(t){this._isCurrentlyDrawing=!0,this.discardActiveObject(t).renderAll(),this.clipTo&&fabric.util.clipContext(this,this.contextTop);var e=fabric.util.invertTransform(this.viewportTransform),i=fabric.util.transformPoint(this.getPointer(t,!0),e);this.freeDrawingBrush.onMouseDown(i),this.fire("mouse:down",{e:t});var r=this.findTarget(t);void 0!==r&&r.fire("mousedown",{e:t,target:r})},_onMouseMoveInDrawingMode:function(t){if(this._isCurrentlyDrawing){var e=fabric.util.invertTransform(this.viewportTransform),i=fabric.util.transformPoint(this.getPointer(t,!0),e);this.freeDrawingBrush.onMouseMove(i)}this.setCursor(this.freeDrawingCursor),this.fire("mouse:move",{e:t});var r=this.findTarget(t);void 0!==r&&r.fire("mousemove",{e:t,target:r})},_onMouseUpInDrawingMode:function(t){this._isCurrentlyDrawing=!1,this.clipTo&&this.contextTop.restore(),this.freeDrawingBrush.onMouseUp(),this.fire("mouse:up",{e:t});var e=this.findTarget(t);void 0!==e&&e.fire("mouseup",{e:t,target:e})},__onMouseDown:function(t){if(("which"in t?1===t.which:1===t.button)||fabric.isTouchSupported)if(this.isDrawingMode)this._onMouseDownInDrawingMode(t);else if(!this._currentTransform){var e=this.findTarget(t),i=this.getPointer(t,!0);this._previousPointer=i;var r=this._shouldRender(e,i),s=this._shouldGroup(t,e);this._shouldClearSelection(t,e)?this._clearSelection(t,e,i):s&&(this._handleGrouping(t,e),e=this.getActiveGroup()),e&&e.selectable&&!s&&(this._beforeTransform(t,e),this._setupCurrentTransform(t,e)),r&&this.renderAll(),this.fire("mouse:down",{target:e,e:t}),e&&e.fire("mousedown",{e:t})}},_beforeTransform:function(t,e){this.stateful&&e.saveState(),e._findTargetCorner(this.getPointer(t))&&this.onBeforeScaleRotate(e),e!==this.getActiveGroup()&&e!==this.getActiveObject()&&(this.deactivateAll(),this.setActiveObject(e,t))},_clearSelection:function(t,e,i){this.deactivateAllWithDispatch(t),e&&e.selectable?this.setActiveObject(e,t):this.selection&&(this._groupSelector={ex:i.x,ey:i.y,top:0,left:0})},_setOriginToCenter:function(t){this._previousOriginX=this._currentTransform.target.originX,this._previousOriginY=this._currentTransform.target.originY;var e=t.getCenterPoint();t.originX="center",t.originY="center",t.left=e.x,t.top=e.y,this._currentTransform.left=t.left,this._currentTransform.top=t.top},_setCenterToOrigin:function(t){var e=t.translateToOriginPoint(t.getCenterPoint(),this._previousOriginX,this._previousOriginY);t.originX=this._previousOriginX,t.originY=this._previousOriginY,t.left=e.x,t.top=e.y,this._previousOriginX=null,this._previousOriginY=null},__onMouseMove:function(t){var e,i;if(this.isDrawingMode)this._onMouseMoveInDrawingMode(t);else if(!(void 0!==t.touches&&t.touches.length>1)){var r=this._groupSelector;r?(i=this.getPointer(t,!0),r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):!(e=this.findTarget(t))||e&&!e.selectable?this.setCursor(this.defaultCursor):this._setCursorFromEvent(t,e),this.fire("mouse:move",{target:e,e:t}),e&&e.fire("mousemove",{e:t})}},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),this.renderAll()},_performTransformAction:function(t,e,i){var r=i.x,s=i.y,n=e.target,o=e.action;"rotate"===o?(this._rotateObject(r,s),this._fire("rotating",n,t)):"scale"===o?(this._onScale(t,e,r,s),this._fire("scaling",n,t)):"scaleX"===o?(this._scaleObject(r,s,"x"),this._fire("scaling",n,t)):"scaleY"===o?(this._scaleObject(r,s,"y"),this._fire("scaling",n,t)):(this._translateObject(r,s),this._fire("moving",n,t),this.setCursor(this.moveCursor))},_fire:function(t,e,i){this.fire("object:"+t,{target:e,e:i}),e.fire(t,{e:i})},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(t,e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(t),e.reset=!0)}},_onScale:function(t,e,i,r){!t.shiftKey&&!this.uniScaleTransform||e.target.get("lockUniScaling")?(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(t,e.target),e.currentAction="scaleEqually",this._scaleObject(i,r,"equally")):(e.currentAction="scale",this._scaleObject(i,r))},_setCursorFromEvent:function(t,e){if(!e||!e.selectable)return this.setCursor(this.defaultCursor),!1;var i=this.getActiveGroup(),r=e._findTargetCorner&&(!i||!i.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));return r?this._setCornerCursor(r,e):this.setCursor(e.hoverCursor||this.hoverCursor),!0},_setCornerCursor:function(e,i){if(e in t)this.setCursor(this._getRotatedCornerCursor(e,i));else{if("mtr"!==e||!i.hasRotatingPoint)return this.setCursor(this.defaultCursor),!1;this.setCursor(this.rotationCursor)}},_getRotatedCornerCursor:function(e,i){var r=Math.round(i.getAngle()%360/45);return r<0&&(r+=8),r+=t[e],r%=8,this.cursorMap[r]}})}(),function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this.getActiveObject();return t.shiftKey&&(this.getActiveGroup()||i&&i!==e)&&this.selection},_handleGrouping:function(t,e){(e!==this.getActiveGroup()||(e=this.findTarget(t,!0))&&!e.isType("group"))&&(this.getActiveGroup()?this._updateActiveGroup(e,t):this._createActiveGroup(e,t),this._activeGroup&&this._activeGroup.saveCoords())},_updateActiveGroup:function(t,e){var i=this.getActiveGroup();if(i.contains(t)){if(i.removeWithUpdate(t),this._resetObjectTransform(i),t.set("active",!1),1===i.size())return this.discardActiveGroup(e),void this.setActiveObject(i.item(0))}else i.addWithUpdate(t),this._resetObjectTransform(i);this.fire("selection:created",{target:i,e:e}),i.set("active",!0)},_createActiveGroup:function(t,e){if(this._activeObject&&t!==this._activeObject){var i=this._createGroup(t);i.addWithUpdate(),this.setActiveGroup(i),this._activeObject=null,this.fire("selection:created",{target:i,e:e})}t.set("active",!0)},_createGroup:function(t){var e=this.getObjects(),i=e.indexOf(this._activeObject)<e.indexOf(t)?[this._activeObject,t]:[t,this._activeObject];return new fabric.Group(i,{canvas:this})},_groupSelectedObjects:function(t){var e=this._collectObjects();1===e.length?this.setActiveObject(e[0],t):e.length>1&&((e=new fabric.Group(e.reverse(),{canvas:this})).addWithUpdate(),this.setActiveGroup(e,t),e.saveCoords(),this.fire("selection:created",{target:e}),this.renderAll())},_collectObjects:function(){for(var i,r=[],s=this._groupSelector.ex,n=this._groupSelector.ey,o=s+this._groupSelector.left,a=n+this._groupSelector.top,h=new fabric.Point(t(s,o),t(n,a)),c=new fabric.Point(e(s,o),e(n,a)),l=s===o&&n===a,u=this._objects.length;u--&&!((i=this._objects[u])&&i.selectable&&i.visible&&(i.intersectsWithRect(h,c)||i.isContainedWithinRect(h,c)||i.containsPoint(h)||i.containsPoint(c))&&(i.set("active",!0),r.push(i),l)););return r},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t);var e=this.getActiveGroup();e&&(e.setObjectsCoords().setCoords(),e.isMoving=!1,this.setCursor(this.defaultCursor)),this._groupSelector=null,this._currentTransform=null}})}(),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,s={left:t.left,top:t.top,width:t.width,height:t.height};return 1!==r?this.__toDataURLWithMultiplier(e,i,s,r):this.__toDataURL(e,i,s)},__toDataURL:function(t,e,i){this.renderAll(!0);var r=this.upperCanvasEl||this.lowerCanvasEl,s=this.__getCroppedCanvas(r,i);"jpg"===t&&(t="jpeg");var n=fabric.StaticCanvas.supports("toDataURLWithQuality")?(s||r).toDataURL("image/"+t,e):(s||r).toDataURL("image/"+t);return this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),s&&(s=null),n},__getCroppedCanvas:function(t,e){var i,r;return("left"in e||"top"in e||"width"in e||"height"in e)&&(r=(i=fabric.util.createCanvasElement()).getContext("2d"),i.width=e.width||this.width,i.height=e.height||this.height,r.drawImage(t,-e.left||0,-e.top||0)),i},__toDataURLWithMultiplier:function(t,e,i,r){var s=this.getWidth(),n=this.getHeight(),o=s*r,a=n*r,h=this.getActiveObject(),c=this.getActiveGroup(),l=this.contextTop||this.contextContainer;r>1&&this.setWidth(o).setHeight(a),l.scale(r,r),i.left&&(i.left*=r),i.top&&(i.top*=r),i.width?i.width*=r:r<1&&(i.width=o),i.height?i.height*=r:r<1&&(i.height=a),c?this._tempRemoveBordersControlsFromGroup(c):h&&this.deactivateAll&&this.deactivateAll(),this.renderAll(!0);var u=this.__toDataURL(t,e,i);return this.width=s,this.height=n,l.scale(1/r,1/r),this.setWidth(s).setHeight(n),c?this._restoreBordersControlsOnGroup(c):h&&this.setActiveObject&&this.setActiveObject(h),this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),u},toDataURLWithMultiplier:function(t,e,i){return this.toDataURL({format:t,multiplier:e,quality:i})},_tempRemoveBordersControlsFromGroup:function(t){t.origHasControls=t.hasControls,t.origBorderColor=t.borderColor,t.hasControls=!0,t.borderColor="rgba(0,0,0,0)",t.forEachObject(function(t){t.origBorderColor=t.borderColor,t.borderColor="rgba(0,0,0,0)"})},_restoreBordersControlsOnGroup:function(t){t.hideControls=t.origHideControls,t.borderColor=t.origBorderColor,t.forEachObject(function(t){t.borderColor=t.origBorderColor,delete t.origBorderColor})}}),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):t;this.clear();var s=this;return this._enlivenObjects(r.objects,function(){s._setBgOverlay(r,e)},i),this}},_setBgOverlay:function(t,e){var i=this,r={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(t.backgroundImage||t.overlayImage||t.background||t.overlay){var s=function(){r.backgroundImage&&r.overlayImage&&r.backgroundColor&&r.overlayColor&&(i.renderAll(),e&&e())};this.__setBgOverlay("backgroundImage",t.backgroundImage,r,s),this.__setBgOverlay("overlayImage",t.overlayImage,r,s),this.__setBgOverlay("backgroundColor",t.background,r,s),this.__setBgOverlay("overlayColor",t.overlay,r,s),s()}else e&&e()},__setBgOverlay:function(t,e,i,r){var s=this;e?"backgroundImage"===t||"overlayImage"===t?fabric.Image.fromObject(e,function(e){s[t]=e,i[t]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,r&&r()}):i[t]=!0},_enlivenObjects:function(t,e,i){var r=this;if(t&&0!==t.length){var s=this.renderOnAddRemove;this.renderOnAddRemove=!1,fabric.util.enlivenObjects(t,function(t){t.forEach(function(t,e){r.insertAt(t,e,!0)}),r.renderOnAddRemove=s,e&&e()},null,i)}else e&&e()},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(r){i(r.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.document.createElement("canvas");e.width=this.getWidth(),e.height=this.getHeight();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 e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.toFixed,s=e.util.string.capitalize,n=e.util.degreesToRadians,o=e.StaticCanvas.supports("setLineDash");e.Object||(e.Object=e.util.createClass({type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,cornerSize:12,transparentCorners:!0,hoverCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",cornerColor:"rgba(102,153,255,0.5)",centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockScalingFlip:!1,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill fillRule globalCompositeOperation shadow clipTo visible backgroundColor".split(" "),initialize:function(t){t&&this.setOptions(t)},_initGradient:function(t){!t.fill||!t.fill.colorStops||t.fill instanceof e.Gradient||this.set("fill",new e.Gradient(t.fill))},_initPattern:function(t){!t.fill||!t.fill.source||t.fill instanceof e.Pattern||this.set("fill",new e.Pattern(t.fill)),!t.stroke||!t.stroke.source||t.stroke instanceof e.Pattern||this.set("stroke",new e.Pattern(t.stroke))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var i=e.util.getFunctionBody(t.clipTo);void 0!==i&&(this.clipTo=new Function("ctx",i))}},setOptions:function(t){for(var e in t)this.set(e,t[e]);this._initGradient(t),this._initPattern(t),this._initClipping(t)},transform:function(t,e){this.group&&this.group.transform(t,e);var i=e?this._getLeftTopCoords():this.getCenterPoint();t.translate(i.x,i.y),t.rotate(n(this.angle)),t.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1))},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,s={type:this.type,originX:this.originX,originY:this.originY,left:r(this.left,i),top:r(this.top,i),width:r(this.width,i),height:r(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:r(this.strokeWidth,i),strokeDashArray:this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:r(this.strokeMiterLimit,i),scaleX:r(this.scaleX,i),scaleY:r(this.scaleY,i),angle:r(this.getAngle(),i),flipX:this.flipX,flipY:this.flipY,opacity:r(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,globalCompositeOperation:this.globalCompositeOperation};return this.includeDefaultValues||(s=this._removeDefaultValues(s)),e.util.populateWithProperties(this,s,t),s},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype;return i.stateProperties.forEach(function(e){t[e]===i[e]&&delete t[e]}),t},toString:function(){return"#<fabric."+s(this.type)+">"},get:function(t){return this[t]},_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,i){return("scaleX"===t||"scaleY"===t)&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"width"===t||"height"===t?this.minScaleLimit=r(Math.min(.1,1/Math.max(this.width,this.height)),2):"shadow"!==t||!i||i instanceof e.Shadow||(i=new e.Shadow(i)),this[t]=i,this},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},setSourcePath:function(t){return this.sourcePath=t,this},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:[1,0,0,1,0,0]},render:function(t,i){0===this.width&&0===this.height||!this.visible||(t.save(),this._setupCompositeOperation(t),i||this.transform(t),this._setStrokeStyles(t),this._setFillStyles(t),this.group&&"path-group"===this.group.type&&t.translate(-this.group.width/2,-this.group.height/2),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this._setOpacity(t),this._setShadow(t),this.clipTo&&e.util.clipContext(this,t),this._render(t,i),this.clipTo&&t.restore(),this._removeShadow(t),this._restoreCompositeOperation(t),t.restore())},_setOpacity:function(t){this.group&&this.group._setOpacity(t),t.globalAlpha*=this.opacity},_setStrokeStyles:function(t){this.stroke&&(t.lineWidth=this.strokeWidth,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,t.miterLimit=this.strokeMiterLimit,t.strokeStyle=this.stroke.toLive?this.stroke.toLive(t,this):this.stroke)},_setFillStyles:function(t){this.fill&&(t.fillStyle=this.fill.toLive?this.fill.toLive(t,this):this.fill)},_renderControls:function(t,i){var r,s=this.getViewportTransform();(t.save(),this.active&&!i)&&(this.group&&(r=e.util.transformPoint(this.group.getCenterPoint(),s),t.translate(r.x,r.y),t.rotate(n(this.group.angle))),r=e.util.transformPoint(this.getCenterPoint(),s,null!=this.group),this.group&&(r.x*=this.group.scaleX,r.y*=this.group.scaleY),t.translate(r.x,r.y),t.rotate(n(this.angle)),this.drawBorders(t),this.drawControls(t));t.restore()},_setShadow:function(t){if(this.shadow){var e=this.canvas&&this.canvas._currentMultiplier||1;t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*e*(this.scaleX+this.scaleY)/2,t.shadowOffsetX=this.shadow.offsetX*e*this.scaleX,t.shadowOffsetY=this.shadow.offsetY*e*this.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_renderFill:function(t){if(this.fill){if(t.save(),this.fill.gradientTransform){var e=this.fill.gradientTransform;t.transform.apply(t,e)}this.fill.toLive&&t.translate(-this.width/2+this.fill.offsetX||0,-this.height/2+this.fill.offsetY||0),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore(),this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t)}},_renderStroke:function(t){if(this.stroke&&0!==this.strokeWidth){if(t.save(),this.strokeDashArray)1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),o?(t.setLineDash(this.strokeDashArray),this._stroke&&this._stroke(t)):this._renderDashedStroke&&this._renderDashedStroke(t),t.stroke();else{if(this.stroke.gradientTransform){var e=this.stroke.gradientTransform;t.transform.apply(t,e)}this._stroke?this._stroke(t):t.stroke()}this._removeShadow(t),t.restore()}},clone:function(t,i){return this.constructor.fromObject?this.constructor.fromObject(this.toObject(i),t):new e.Object(this.toObject(i))},cloneAsImage:function(t){var i=this.toDataURL();return e.util.loadImage(i,function(i){t&&t(new e.Image(i))}),this},toDataURL:function(t){t||(t={});var i=e.util.createCanvasElement(),r=this.getBoundingRect();i.width=r.width,i.height=r.height,e.util.wrapElement(i,"div");var s=new e.Canvas(i);"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(s.backgroundColor="#fff");var n={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new e.Point(i.width/2,i.height/2),"center","center");var o=this.canvas;s.add(this);var a=s.toDataURL(t);return this.set(n).setCoords(),this.canvas=o,s.dispose(),s=null,a},isType:function(t){return this.type===t},complexity:function(){return 0},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var r={colorStops:[]};for(var s in r.type=i.type||(i.r1||i.r2?"radial":"linear"),r.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},(i.r1||i.r2)&&(r.coords.r1=i.r1,r.coords.r2=i.r2),i.colorStops){var n=new e.Color(i.colorStops[s]);r.colorStops.push({offset:s,color:n.toRgb(),opacity:n.getAlpha()})}return this.set(t,e.Gradient.forObject(this,r))},setPatternFill:function(t){return this.set("fill",new e.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},setAngle: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.centerObjectH(this),this},centerV:function(){return this.canvas.centerObjectV(this),this},center:function(){return this.canvas.centerObject(this),this},remove:function(){return this.canvas.remove(this),this},getLocalPointer:function(t,e){e=e||this.canvas.getPointer(t);var i=this.translateToOriginPoint(this.getCenterPoint(),"left","top");return{x:e.x-i.x,y:e.y-i.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(this._prevGlobalCompositeOperation=t.globalCompositeOperation,t.globalCompositeOperation=this.globalCompositeOperation)},_restoreCompositeOperation:function(t){this.globalCompositeOperation&&this._prevGlobalCompositeOperation&&(t.globalCompositeOperation=this._prevGlobalCompositeOperation)}}),e.util.createAccessors(e.Object),e.Object.prototype.rotate=e.Object.prototype.setAngle,i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{translateToCenterPoint:function(e,i,r){var s=e.x,n=e.y,o=this.stroke?this.strokeWidth:0;return"left"===i?s=e.x+(this.getWidth()+o*this.scaleX)/2:"right"===i&&(s=e.x-(this.getWidth()+o*this.scaleX)/2),"top"===r?n=e.y+(this.getHeight()+o*this.scaleY)/2:"bottom"===r&&(n=e.y-(this.getHeight()+o*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(s,n),e,t(this.angle))},translateToOriginPoint:function(e,i,r){var s=e.x,n=e.y,o=this.stroke?this.strokeWidth:0;return"left"===i?s=e.x-(this.getWidth()+o*this.scaleX)/2:"right"===i&&(s=e.x+(this.getWidth()+o*this.scaleX)/2),"top"===r?n=e.y-(this.getHeight()+o*this.scaleY)/2:"bottom"===r&&(n=e.y+(this.getHeight()+o*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(s,n),e,t(this.angle))},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,r){var s,n,o=this.getCenterPoint(),a=this.stroke?this.strokeWidth:0;return i&&r?(s="left"===i?o.x-(this.getWidth()+a*this.scaleX)/2:"right"===i?o.x+(this.getWidth()+a*this.scaleX)/2:o.x,n="top"===r?o.y-(this.getHeight()+a*this.scaleY)/2:"bottom"===r?o.y+(this.getHeight()+a*this.scaleY)/2:o.y):(s=this.left,n=this.top),fabric.util.rotatePoint(new fabric.Point(e.x,e.y),o,-t(this.angle)).subtractEquals(new fabric.Point(s,n))},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),s=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",s.x),this.set("top",s.y)},adjustPosition:function(e){var i=t(this.angle),r=this.getWidth()/2,s=Math.cos(i)*r,n=Math.sin(i)*r,o=this.getWidth(),a=Math.cos(i)*o,h=Math.sin(i)*o;"center"===this.originX&&"left"===e||"right"===this.originX&&"center"===e?(this.left-=s,this.top-=n):"left"===this.originX&&"center"===e||"center"===this.originX&&"right"===e?(this.left+=s,this.top+=n):"left"===this.originX&&"right"===e?(this.left+=a,this.top+=h):"right"===this.originX&&"left"===e&&(this.left-=a,this.top-=h),this.setCoords(),this.originX=e},_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","center")}})}(),function(){var t=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,intersectsWithRect:function(t,e){var i=this.oCoords,r=new fabric.Point(i.tl.x,i.tl.y),s=new fabric.Point(i.tr.x,i.tr.y),n=new fabric.Point(i.bl.x,i.bl.y),o=new fabric.Point(i.br.x,i.br.y);return"Intersection"===fabric.Intersection.intersectPolygonRectangle([r,s,o,n],t,e).status},intersectsWithObject:function(t){function e(t){return{tl:new fabric.Point(t.tl.x,t.tl.y),tr:new fabric.Point(t.tr.x,t.tr.y),bl:new fabric.Point(t.bl.x,t.bl.y),br:new fabric.Point(t.br.x,t.br.y)}}var i=e(this.oCoords),r=e(t.oCoords);return"Intersection"===fabric.Intersection.intersectPolygonPolygon([i.tl,i.tr,i.br,i.bl],[r.tl,r.tr,r.br,r.bl]).status},isContainedWithinObject:function(t){var e=t.getBoundingRect(),i=new fabric.Point(e.left,e.top),r=new fabric.Point(e.left+e.width,e.top+e.height);return this.isContainedWithinRect(i,r)},isContainedWithinRect:function(t,e){var i=this.getBoundingRect();return i.left>=t.x&&i.left+i.width<=e.x&&i.top>=t.y&&i.top+i.height<=e.y},containsPoint:function(t){var e=this._getImageLines(this.oCoords),i=this._findCrossPoints(t,e);return 0!==i&&i%2==1},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,s,n,o=0;for(var a in e)if(!((n=e[a]).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?(s=n.o.x,t.y):(0,i=(n.d.y-n.o.y)/(n.d.x-n.o.x),(r=t.y-0*t.x)+0*(s=-(r-(n.o.y-i*n.o.x))/(0-i))),s>=t.x&&(o+=1),2!==o)))break;return o},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(){this.oCoords||this.setCoords();var t=[this.oCoords.tl.x,this.oCoords.tr.x,this.oCoords.br.x,this.oCoords.bl.x],e=fabric.util.array.min(t),i=fabric.util.array.max(t),r=Math.abs(e-i),s=[this.oCoords.tl.y,this.oCoords.tr.y,this.oCoords.br.y,this.oCoords.bl.y],n=fabric.util.array.min(s),o=fabric.util.array.max(s);return{left:e,top:n,width:r,height:Math.abs(n-o)}},getWidth:function(){return this.width*this.scaleX},getHeight:function(){return this.height*this.scaleY},_constrainScale:function(t){return Math.abs(t)<this.minScaleLimit?t<0?-this.minScaleLimit:this.minScaleLimit:t},scale:function(t){return(t=this._constrainScale(t))<0&&(this.flipX=!this.flipX,this.flipY=!this.flipY,t*=-1),this.scaleX=t,this.scaleY=t,this.setCoords(),this},scaleToWidth:function(t){var e=this.getBoundingRectWidth()/this.getWidth();return this.scale(t/this.width/e)},scaleToHeight:function(t){var e=this.getBoundingRectHeight()/this.getHeight();return this.scale(t/this.height/e)},setCoords:function(){var e=this.strokeWidth,i=t(this.angle),r=this.getViewportTransform(),s=function(t){return fabric.util.transformPoint(t,r)},n=this.width,o=this.height,a="round"===this.strokeLineCap||"square"===this.strokeLineCap,h="line"===this.type&&0===this.width,c="line"===this.type&&0===this.height,l=h||c;h?n=e:c&&(o=e),(a&&c||!l)&&(n+=n>0?e:-e),(a&&h||!l)&&(o+=o>0?e:-e),this.currentWidth=n*this.scaleX,this.currentHeight=o*this.scaleY,this.currentWidth<0&&(this.currentWidth=Math.abs(this.currentWidth));var u=Math.sqrt(Math.pow(this.currentWidth/2,2)+Math.pow(this.currentHeight/2,2)),f=Math.atan(isFinite(this.currentHeight/this.currentWidth)?this.currentHeight/this.currentWidth:0),g=Math.cos(f+i)*u,d=Math.sin(f+i)*u,p=Math.sin(i),v=Math.cos(i),b=this.getCenterPoint(),m=new fabric.Point(this.currentWidth,this.currentHeight),y=new fabric.Point(b.x-g,b.y-d),_=new fabric.Point(y.x+m.x*v,y.y+m.x*p),x=new fabric.Point(y.x-m.y*p,y.y+m.y*v),C=new fabric.Point(y.x+m.x/2*v,y.y+m.x/2*p),S=s(y),w=s(_),O=s(new fabric.Point(_.x-m.y*p,_.y+m.y*v)),T=s(x),k=s(new fabric.Point(y.x-m.y/2*p,y.y+m.y/2*v)),j=s(C),A=s(new fabric.Point(_.x-m.y/2*p,_.y+m.y/2*v)),P=s(new fabric.Point(x.x+m.x/2*v,x.y+m.x/2*p)),E=s(new fabric.Point(C.x,C.y)),I=Math.cos(f+i)*this.padding*Math.sqrt(2),M=Math.sin(f+i)*this.padding*Math.sqrt(2);return S=S.add(new fabric.Point(-I,-M)),w=w.add(new fabric.Point(M,-I)),O=O.add(new fabric.Point(I,M)),T=T.add(new fabric.Point(-M,I)),k=k.add(new fabric.Point((-I-M)/2,(-M+I)/2)),j=j.add(new fabric.Point((M-I)/2,-(M+I)/2)),A=A.add(new fabric.Point((M+I)/2,(M-I)/2)),P=P.add(new fabric.Point((I-M)/2,(I+M)/2)),E=E.add(new fabric.Point((M-I)/2,-(M+I)/2)),this.oCoords={tl:S,tr:w,br:O,bl:T,ml:k,mt:j,mr:A,mb:P,mtr:E},this._setCornerCoords&&this._setCornerCoords(),this}})}(),fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){return this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(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?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas.moveTo(this,t),this}}),fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(){var t=this.fill?this.fill.toLive?"url(#SVGID_"+this.fill.id+")":this.fill:"none",e=this.fillRule,i=this.stroke?this.stroke.toLive?"url(#SVGID_"+this.stroke.id+")":this.stroke:"none",r=this.strokeWidth?this.strokeWidth:"0",s=this.strokeDashArray?this.strokeDashArray.join(" "):"",n=this.strokeLineCap?this.strokeLineCap:"butt",o=this.strokeLineJoin?this.strokeLineJoin:"miter",a=this.strokeMiterLimit?this.strokeMiterLimit:"4",h=void 0!==this.opacity?this.opacity:"1",c=this.visible?"":" visibility: hidden;";return["stroke: ",i,"; ","stroke-width: ",r,"; ","stroke-dasharray: ",s,"; ","stroke-linecap: ",n,"; ","stroke-linejoin: ",o,"; ","stroke-miterlimit: ",a,"; ","fill: ",t,"; ","fill-rule: ",e,"; ","opacity: ",h,";",this.shadow&&"text"!==this.type?"filter: url(#SVGID_"+this.shadow.id+");":"",c].join("")},getSvgTransform:function(){if(this.group&&"path-group"===this.group.type)return"";var t=fabric.util.toFixed,e=this.getAngle(),i=!this.canvas||this.canvas.svgViewportTransformation?this.getViewportTransform():[1,0,0,1,0,0],r=fabric.util.transformPoint(this.getCenterPoint(),i),s=fabric.Object.NUM_FRACTION_DIGITS,n="path-group"===this.type?"":"translate("+t(r.x,s)+" "+t(r.y,s)+")",o=0!==e?" rotate("+t(e,s)+")":"",a=1===this.scaleX&&1===this.scaleY&&1===i[0]&&1===i[3]?"":" scale("+t(this.scaleX*i[0],s)+" "+t(this.scaleY*i[3],s)+")",h="path-group"===this.type?this.width*i[0]:0,c=this.flipX?" matrix(-1 0 0 1 "+h+" 0) ":"",l="path-group"===this.type?this.height*i[3]:0;return[n,o,a,c,this.flipY?" matrix(1 0 0 -1 0 "+l+")":""].join("")},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+")":""},_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}}),fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(){return this.stateProperties.some(function(t){return this.get(t)!==this.originalState[t]},this)},saveState:function(t){return this.stateProperties.forEach(function(t){this.originalState[t]=this.get(t)},this),t&&t.stateProperties&&t.stateProperties.forEach(function(t){this.originalState[t]=this.get(t)},this),this},setupState:function(){return this.originalState={},this.saveState(),this}}),function(){var t=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(t){if(!this.hasControls||!this.active)return!1;var e,i,r=t.x,s=t.y;for(var n in this.oCoords)if(this.isControlVisible(n)&&("mtr"!==n||this.hasRotatingPoint)&&(!this.get("lockUniScaling")||"mt"!==n&&"mr"!==n&&"mb"!==n&&"ml"!==n)&&(i=this._getImageLines(this.oCoords[n].corner),0!==(e=this._findCrossPoints({x:r,y:s},i))&&e%2==1))return this.__corner=n,n;return!1},_setCornerCoords:function(){var e=this.oCoords,i=t(this.angle),r=t(45-this.angle),s=Math.sqrt(2*Math.pow(this.cornerSize,2))/2,n=s*Math.cos(r),o=s*Math.sin(r),a=Math.sin(i),h=Math.cos(i);e.tl.corner={tl:{x:e.tl.x-o,y:e.tl.y-n},tr:{x:e.tl.x+n,y:e.tl.y-o},bl:{x:e.tl.x-n,y:e.tl.y+o},br:{x:e.tl.x+o,y:e.tl.y+n}},e.tr.corner={tl:{x:e.tr.x-o,y:e.tr.y-n},tr:{x:e.tr.x+n,y:e.tr.y-o},br:{x:e.tr.x+o,y:e.tr.y+n},bl:{x:e.tr.x-n,y:e.tr.y+o}},e.bl.corner={tl:{x:e.bl.x-o,y:e.bl.y-n},bl:{x:e.bl.x-n,y:e.bl.y+o},br:{x:e.bl.x+o,y:e.bl.y+n},tr:{x:e.bl.x+n,y:e.bl.y-o}},e.br.corner={tr:{x:e.br.x+n,y:e.br.y-o},bl:{x:e.br.x-n,y:e.br.y+o},br:{x:e.br.x+o,y:e.br.y+n},tl:{x:e.br.x-o,y:e.br.y-n}},e.ml.corner={tl:{x:e.ml.x-o,y:e.ml.y-n},tr:{x:e.ml.x+n,y:e.ml.y-o},bl:{x:e.ml.x-n,y:e.ml.y+o},br:{x:e.ml.x+o,y:e.ml.y+n}},e.mt.corner={tl:{x:e.mt.x-o,y:e.mt.y-n},tr:{x:e.mt.x+n,y:e.mt.y-o},bl:{x:e.mt.x-n,y:e.mt.y+o},br:{x:e.mt.x+o,y:e.mt.y+n}},e.mr.corner={tl:{x:e.mr.x-o,y:e.mr.y-n},tr:{x:e.mr.x+n,y:e.mr.y-o},bl:{x:e.mr.x-n,y:e.mr.y+o},br:{x:e.mr.x+o,y:e.mr.y+n}},e.mb.corner={tl:{x:e.mb.x-o,y:e.mb.y-n},tr:{x:e.mb.x+n,y:e.mb.y-o},bl:{x:e.mb.x-n,y:e.mb.y+o},br:{x:e.mb.x+o,y:e.mb.y+n}},e.mtr.corner={tl:{x:e.mtr.x-o+a*this.rotatingPointOffset,y:e.mtr.y-n-h*this.rotatingPointOffset},tr:{x:e.mtr.x+n+a*this.rotatingPointOffset,y:e.mtr.y-o-h*this.rotatingPointOffset},bl:{x:e.mtr.x-n+a*this.rotatingPointOffset,y:e.mtr.y+o-h*this.rotatingPointOffset},br:{x:e.mtr.x+o+a*this.rotatingPointOffset,y:e.mtr.y+n-h*this.rotatingPointOffset}}},drawBorders:function(t){if(!this.hasBorders)return this;var e=this.padding,i=2*e,r=this.getViewportTransform();t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,t.strokeStyle=this.borderColor;var s=1/this._constrainScale(this.scaleX),n=1/this._constrainScale(this.scaleY);t.lineWidth=1/this.borderScaleFactor;var o=this.getWidth(),a=this.getHeight(),h=this.strokeWidth,c="round"===this.strokeLineCap||"square"===this.strokeLineCap,l="line"===this.type&&0===this.width,u="line"===this.type&&0===this.height,f=l||u;l?o=h/s:u&&(a=h/n),(c&&u||!f)&&(o+=h/s),(c&&l||!f)&&(a+=h/n);var g=fabric.util.transformPoint(new fabric.Point(o,a),r,!0),d=g.x,p=g.y;if(this.group&&(d*=this.group.scaleX,p*=this.group.scaleY),t.strokeRect(~~(-d/2-e)-.5,~~(-p/2-e)-.5,1+~~(d+i),1+~~(p+i)),this.hasRotatingPoint&&this.isControlVisible("mtr")&&!this.get("lockRotation")&&this.hasControls){var v=(-p-2*e)/2;t.beginPath(),t.moveTo(0,v),t.lineTo(0,v-this.rotatingPointOffset),t.closePath(),t.stroke()}return t.restore(),this},drawControls:function(t){if(!this.hasControls)return this;var e=this.cornerSize,i=e/2,r=this.getViewportTransform(),s=this.strokeWidth,n=this.width,o=this.height,a="round"===this.strokeLineCap||"square"===this.strokeLineCap,h="line"===this.type&&0===this.width,c="line"===this.type&&0===this.height,l=h||c;h?n=s:c&&(o=s),(a&&c||!l)&&(n+=s),(a&&h||!l)&&(o+=s),n*=this.scaleX,o*=this.scaleY;var u=fabric.util.transformPoint(new fabric.Point(n,o),r,!0),f=u.x,g=u.y,d=-f/2,p=-g/2,v=this.padding,b=i,m=i-e,y=this.transparentCorners?"strokeRect":"fillRect";return t.save(),t.lineWidth=1,t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,t.strokeStyle=t.fillStyle=this.cornerColor,this._drawControl("tl",t,y,d-b-v,p-b-v),this._drawControl("tr",t,y,d+f-b+v,p-b-v),this._drawControl("bl",t,y,d-b-v,p+g+m+v),this._drawControl("br",t,y,d+f+m+v,p+g+m+v),this.get("lockUniScaling")||(this._drawControl("mt",t,y,d+f/2-b,p-b-v),this._drawControl("mb",t,y,d+f/2-b,p+g+m+v),this._drawControl("mr",t,y,d+f+m+v,p+g/2-b),this._drawControl("ml",t,y,d-b-v,p+g/2-b)),this.hasRotatingPoint&&this._drawControl("mtr",t,y,d+f/2-b,p-this.rotatingPointOffset-this.cornerSize/2-v),t.restore(),this},_drawControl:function(t,e,i,r,s){var n=this.cornerSize;this.isControlVisible(t)&&("undefined"!=typeof G_vmlCanvasManager||this.transparentCorners||e.clearRect(r,s,n,n),e[i](r,s,n,n))},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}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(t,e){var i=function(){},r=(e=e||{}).onComplete||i,s=e.onChange||i,n=this;return fabric.util.animate({startValue:t.get("left"),endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),n.renderAll(),s()},onComplete:function(){t.setCoords(),r()}}),this},fxCenterObjectV:function(t,e){var i=function(){},r=(e=e||{}).onComplete||i,s=e.onChange||i,n=this;return fabric.util.animate({startValue:t.get("top"),endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),n.renderAll(),s()},onComplete:function(){t.setCoords(),r()}}),this},fxRemove:function(t,e){var i=function(){},r=(e=e||{}).onComplete||i,s=e.onChange||i,n=this;return fabric.util.animate({startValue:t.get("opacity"),endValue:0,duration:this.FX_DURATION,onStart:function(){t.set("active",!1)},onChange:function(e){t.set("opacity",e),n.renderAll(),s()},onComplete:function(){n.remove(t),r()}}),this}}),fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&"object"==typeof arguments[0]){var t,e,i=[];for(t in arguments[0])i.push(t);for(var r=0,s=i.length;r<s;r++)t=i[r],e=r!==s-1,this._animate(t,arguments[0][t],arguments[1],e)}else this._animate.apply(this,arguments);return this},_animate:function(t,e,i,r){var s,n=this;e=e.toString(),i=i?fabric.util.object.clone(i):{},~t.indexOf(".")&&(s=t.split("."));var o=s?this.get(s[0])[s[1]]:this.get(t);"from"in i||(i.from=o),e=~e.indexOf("=")?o+parseFloat(e.replace("=","")):parseFloat(e),fabric.util.animate({startValue:i.from,endValue:e,byValue:i.by,easing:i.easing,duration:i.duration,abort:i.abort&&function(){return i.abort.call(n)},onChange:function(e){s?n[s[0]][s[1]]=e:n.set(t,e),r||i.onChange&&i.onChange()},onComplete:function(){r||(n.setCoords(),i.onComplete&&i.onComplete())}})}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r={x1:1,x2:1,y1:1,y2:1},s=e.StaticCanvas.supports("setLineDash");function n(t,e){var i=t.origin,r=t.axis1,s=t.axis2,n=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(s));case a:return Math.min(this.get(r),this.get(s))+.5*this.get(n);case h:return Math.max(this.get(r),this.get(s))}}}e.Line?e.warn("fabric.Line is already defined"):(e.Line=e.util.createClass(e.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,initialize:function(t,e){e=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!==r[t]&&this._setWidthHeight(),this},_getLeftToOriginX:n({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:n({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t,e){if(t.beginPath(),e){var i=this.getCenterPoint();t.translate(i.x-this.strokeWidth/2,i.y-this.strokeWidth/2)}if(!this.strokeDashArray||this.strokeDashArray&&s){var r=this.calcLinePoints();t.moveTo(r.x1,r.y1),t.lineTo(r.x2,r.y2)}t.lineWidth=this.strokeWidth;var n=t.strokeStyle;t.strokeStyle=this.stroke||t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=n},_renderDashedStroke:function(t){var i=this.calcLinePoints();t.beginPath(),e.util.drawDashedLine(t,i.x1,i.y1,i.x2,i.y2,this.strokeDashArray),t.closePath()},toObject:function(t){return i(this.callSuper("toObject",t),this.calcLinePoints())},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={x1:this.x1,x2:this.x2,y1:this.y1,y2:this.y2};return this.group&&"path-group"===this.group.type||(i=this.calcLinePoints()),e.push("<line ",'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("")},complexity:function(){return 1}}),e.Line.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),e.Line.fromElement=function(t,r){var s=e.parseAttributes(t,e.Line.ATTRIBUTE_NAMES),n=[s.x1||0,s.y1||0,s.x2||0,s.y2||0];return new e.Line(n,i(s,r))},e.Line.fromObject=function(t){var i=[t.x1,t.y1,t.x2,t.y2];return new e.Line(i,t)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=Math.PI,r=e.util.object.extend;e.Circle?e.warn("fabric.Circle is already defined."):(e.Circle=e.util.createClass(e.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*i,initialize:function(t){t=t||{},this.callSuper("initialize",t),this.set("radius",t.radius||0),this.startAngle=t.startAngle||this.startAngle,this.endAngle=t.endAngle||this.endAngle},_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return r(this.callSuper("toObject",t),{radius:this.get("radius"),startAngle:this.startAngle,endAngle:this.endAngle})},toSVG:function(t){var e=this._createBaseSVGMarkup(),r=0,s=0,n=(this.endAngle-this.startAngle)%(2*i);if(0===n)this.group&&"path-group"===this.group.type&&(r=this.left+this.radius,s=this.top+this.radius),e.push("<circle ",'cx="'+r+'" cy="'+s+'" ','r="',this.radius,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n');else{var o=Math.cos(this.startAngle)*this.radius,a=Math.sin(this.startAngle)*this.radius,h=Math.cos(this.endAngle)*this.radius,c=Math.sin(this.endAngle)*this.radius,l=n>i?"1":"0";e.push('<path d="M '+o+" "+a," A "+this.radius+" "+this.radius," 0 ",+l+" 1"," "+h+" "+c,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n')}return t?t(e.join("")):e.join("")},_render:function(t,e){t.beginPath(),t.arc(e?this.left+this.radius:0,e?this.top+this.radius:0,this.radius,this.startAngle,this.endAngle,!1),this._renderFill(t),this._renderStroke(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){this.radius=t,this.set("width",2*t).set("height",2*t)},complexity:function(){return 1}}),e.Circle.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),e.Circle.fromElement=function(t,i){i||(i={});var s,n=e.parseAttributes(t,e.Circle.ATTRIBUTE_NAMES);if(!("radius"in(s=n)&&s.radius>0))throw new Error("value of `r` attribute is required and can not be negative");n.left=n.left||0,n.top=n.top||0;var o=new e.Circle(r(n,i));return o.left-=o.radius,o.top-=o.radius,o},e.Circle.fromObject=function(t){return new e.Circle(t)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Triangle?e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",initialize:function(t){t=t||{},this.callSuper("initialize",t),this.set("width",t.width||100).set("height",t.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._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=this.width/2,r=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,r,0,-r,this.strokeDashArray),e.util.drawDashedLine(t,0,-r,i,r,this.strokeDashArray),e.util.drawDashedLine(t,i,r,-i,r,this.strokeDashArray),t.closePath()},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.width/2,r=this.height/2,s=[-i+" "+r,"0 "+-r,i+" "+r].join(",");return e.push("<polygon ",'points="',s,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),t?t(e.join("")):e.join("")},complexity:function(){return 1}}),e.Triangle.fromObject=function(t){return new e.Triangle(t)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI,r=e.util.object.extend;e.Ellipse?e.warn("fabric.Ellipse is already defined."):(e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,initialize:function(t){t=t||{},this.callSuper("initialize",t),this.set("rx",t.rx||0),this.set("ry",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 r(this.callSuper("toObject",t),{rx:this.get("rx"),ry:this.get("ry")})},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,r=0;return this.group&&"path-group"===this.group.type&&(i=this.left+this.rx,r=this.top+this.ry),e.push("<ellipse ",'cx="',i,'" cy="',r,'" ','rx="',this.rx,'" ry="',this.ry,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")},_render:function(t,e){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(e?this.left+this.rx:0,e?(this.top+this.ry)*this.rx/this.ry:0,this.rx,0,i,!1),t.restore(),this._renderFill(t),this._renderStroke(t)},complexity:function(){return 1}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i){i||(i={});var s=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);s.left=s.left||0,s.top=s.top||0;var n=new e.Ellipse(r(s,i));return n.top-=n.ry,n.left-=n.rx,n},e.Ellipse.fromObject=function(t){return new e.Ellipse(t)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)console.warn("fabric.Rect is already defined");else{var r=e.Object.prototype.stateProperties.concat();r.push("rx","ry","x","y"),e.Rect=e.util.createClass(e.Object,{stateProperties:r,type:"rect",rx:0,ry:0,strokeDashArray:null,initialize:function(t){t=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,e){if(1!==this.width||1!==this.height){var i=this.rx?Math.min(this.rx,this.width/2):0,r=this.ry?Math.min(this.ry,this.height/2):0,s=this.width,n=this.height,o=e?this.left:-this.width/2,a=e?this.top:-this.height/2,h=0!==i||0!==r,c=.4477152502;t.beginPath(),t.moveTo(o+i,a),t.lineTo(o+s-i,a),h&&t.bezierCurveTo(o+s-c*i,a,o+s,a+c*r,o+s,a+r),t.lineTo(o+s,a+n-r),h&&t.bezierCurveTo(o+s,a+n-c*r,o+s-c*i,a+n,o+s-i,a+n),t.lineTo(o+i,a+n),h&&t.bezierCurveTo(o+c*i,a+n,o,a+n-c*r,o,a+n-r),t.lineTo(o,a+r),h&&t.bezierCurveTo(o,a+c*r,o+c*i,a,o+i,a),t.closePath(),this._renderFill(t),this._renderStroke(t)}else t.fillRect(0,0,1,1)},_renderDashedStroke:function(t){var i=-this.width/2,r=-this.height/2,s=this.width,n=this.height;t.beginPath(),e.util.drawDashedLine(t,i,r,i+s,r,this.strokeDashArray),e.util.drawDashedLine(t,i+s,r,i+s,r+n,this.strokeDashArray),e.util.drawDashedLine(t,i+s,r+n,i,r+n,this.strokeDashArray),e.util.drawDashedLine(t,i,r+n,i,r,this.strokeDashArray),t.closePath()},toObject:function(t){var e=i(this.callSuper("toObject",t),{rx:this.get("rx")||0,ry:this.get("ry")||0});return this.includeDefaultValues||this._removeDefaultValues(e),e},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.left,r=this.top;return this.group&&"path-group"===this.group.type||(i=-this.width/2,r=-this.height/2),e.push("<rect ",'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(),'"/>\n'),t?t(e.join("")):e.join("")},complexity:function(){return 1}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,r){if(!t)return null;r=r||{};var s=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);return s.left=s.left||0,s.top=s.top||0,new e.Rect(i(r?e.util.object.clone(r):{},s))},e.Rect.fromObject=function(t){return new e.Rect(t)}}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Polyline?e.warn("fabric.Polyline is already defined"):(e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,minX:0,minY:0,initialize:function(t,i){return e.Polygon.prototype.initialize.call(this,t,i)},_calcDimensions:function(){return e.Polygon.prototype._calcDimensions.call(this)},_applyPointOffset:function(){return e.Polygon.prototype._applyPointOffset.call(this)},toObject:function(t){return e.Polygon.prototype.toObject.call(this,t)},toSVG:function(t){return e.Polygon.prototype.toSVG.call(this,t)},_render:function(t){e.Polygon.prototype.commonRender.call(this,t),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i,r;t.beginPath();for(var s=0,n=this.points.length;s<n;s++)i=this.points[s],r=this.points[s+1]||i,e.util.drawDashedLine(t,i.x,i.y,r.x,r.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),e.Polyline.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polyline.fromElement=function(t,i){if(!t)return null;i||(i={});var r=e.parsePointsAttribute(t.getAttribute("points")),s=e.parseAttributes(t,e.Polyline.ATTRIBUTE_NAMES);return null===r?null:new e.Polyline(r,e.util.object.extend(s,i))},e.Polyline.fromObject=function(t){var i=t.points;return new e.Polyline(i,t,!0)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,s=e.util.array.max,n=e.util.toFixed;e.Polygon?e.warn("fabric.Polygon is already defined"):(e.Polygon=e.util.createClass(e.Object,{type:"polygon",points:null,minX:0,minY:0,initialize:function(t,e){e=e||{},this.points=t,this.callSuper("initialize",e),this._calcDimensions(),"top"in e||(this.top=this.minY),"left"in e||(this.left=this.minX)},_calcDimensions:function(){var t=this.points,e=r(t,"x"),i=r(t,"y"),n=s(t,"x"),o=s(t,"y");this.width=n-e||1,this.height=o-i||1,this.minX=e,this.minY=i},_applyPointOffset:function(){this.points.forEach(function(t){t.x-=this.minX+this.width/2,t.y-=this.minY+this.height/2},this)},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),r=0,s=this.points.length;r<s;r++)e.push(n(this.points[r].x,2),",",n(this.points[r].y,2)," ");return i.push("<",this.type," ",'points="',e.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),t?t(i.join("")):i.join("")},_render:function(t){this.commonRender(t),this._renderFill(t),(this.stroke||this.strokeDashArray)&&(t.closePath(),this._renderStroke(t))},commonRender:function(t){var e;t.beginPath(),this._applyPointOffset&&(this.group&&"path-group"===this.group.type||this._applyPointOffset(),this._applyPointOffset=null),t.moveTo(this.points[0].x,this.points[0].y);for(var i=0,r=this.points.length;i<r;i++)e=this.points[i],t.lineTo(e.x,e.y)},_renderDashedStroke:function(t){e.Polyline.prototype._renderDashedStroke.call(this,t),t.closePath()},complexity:function(){return this.points.length}}),e.Polygon.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polygon.fromElement=function(t,r){if(!t)return null;r||(r={});var s=e.parsePointsAttribute(t.getAttribute("points")),n=e.parseAttributes(t,e.Polygon.ATTRIBUTE_NAMES);return null===s?null:new e.Polygon(s,i(n,r))},e.Polygon.fromObject=function(t){return new e.Polygon(t.points,t,!0)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.array.min,r=e.util.array.max,s=e.util.object.extend,n=Object.prototype.toString,o=e.util.drawArc,a={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},h={m:"l",M:"L"};e.Path?e.warn("fabric.Path is already defined"):(e.Path=e.util.createClass(e.Object,{type:"path",path:null,minX:0,minY:0,initialize:function(t,e){if(e=e||{},this.setOptions(e),!t)throw new Error("`path` argument is required");var i="[object Array]"===n.call(t);if(this.path=i?t:t.match&&t.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi),this.path){i||(this.path=this._parsePath());var r=this._parseDimensions();this.minX=r.left,this.minY=r.top,this.width=r.width,this.height=r.height,r.left+="center"===this.originX?this.width/2:"right"===this.originX?this.width:0,r.top+="center"===this.originY?this.height/2:"bottom"===this.originY?this.height:0,this.top=this.top||r.top,this.left=this.left||r.left,this.pathOffset=this.pathOffset||{x:this.minX+this.width/2,y:this.minY+this.height/2},e.sourcePath&&this.setSourcePath(e.sourcePath)}},_render:function(t){var e,i,r,s,n,a=null,h=0,c=0,l=0,u=0,f=0,g=0,d=-this.pathOffset.x,p=-this.pathOffset.y;this.group&&"path-group"===this.group.type&&(d=0,p=0),t.beginPath();for(var v=0,b=this.path.length;v<b;++v){switch((e=this.path[v])[0]){case"l":l+=e[1],u+=e[2],t.lineTo(l+d,u+p);break;case"L":l=e[1],u=e[2],t.lineTo(l+d,u+p);break;case"h":l+=e[1],t.lineTo(l+d,u+p);break;case"H":l=e[1],t.lineTo(l+d,u+p);break;case"v":u+=e[1],t.lineTo(l+d,u+p);break;case"V":u=e[1],t.lineTo(l+d,u+p);break;case"m":h=l+=e[1],c=u+=e[2],t.moveTo(l+d,u+p);break;case"M":h=l=e[1],c=u=e[2],t.moveTo(l+d,u+p);break;case"c":i=l+e[5],r=u+e[6],f=l+e[3],g=u+e[4],t.bezierCurveTo(l+e[1]+d,u+e[2]+p,f+d,g+p,i+d,r+p),l=i,u=r;break;case"C":l=e[5],u=e[6],f=e[3],g=e[4],t.bezierCurveTo(e[1]+d,e[2]+p,f+d,g+p,l+d,u+p);break;case"s":i=l+e[3],r=u+e[4],f=f?2*l-f:l,g=g?2*u-g:u,t.bezierCurveTo(f+d,g+p,l+e[1]+d,u+e[2]+p,i+d,r+p),f=l+e[1],g=u+e[2],l=i,u=r;break;case"S":i=e[3],r=e[4],f=2*l-f,g=2*u-g,t.bezierCurveTo(f+d,g+p,e[1]+d,e[2]+p,i+d,r+p),l=i,u=r,f=e[1],g=e[2];break;case"q":i=l+e[3],r=u+e[4],f=l+e[1],g=u+e[2],t.quadraticCurveTo(f+d,g+p,i+d,r+p),l=i,u=r;break;case"Q":i=e[3],r=e[4],t.quadraticCurveTo(e[1]+d,e[2]+p,i+d,r+p),l=i,u=r,f=e[1],g=e[2];break;case"t":i=l+e[1],r=u+e[2],null===a[0].match(/[QqTt]/)?(f=l,g=u):"t"===a[0]?(f=2*l-s,g=2*u-n):"q"===a[0]&&(f=2*l-f,g=2*u-g),s=f,n=g,t.quadraticCurveTo(f+d,g+p,i+d,r+p),u=r,f=(l=i)+e[1],g=u+e[2];break;case"T":i=e[1],r=e[2],f=2*l-f,g=2*u-g,t.quadraticCurveTo(f+d,g+p,i+d,r+p),l=i,u=r;break;case"a":o(t,l+d,u+p,[e[1],e[2],e[3],e[4],e[5],e[6]+l+d,e[7]+u+p]),l+=e[6],u+=e[7];break;case"A":o(t,l+d,u+p,[e[1],e[2],e[3],e[4],e[5],e[6]+d,e[7]+p]),l=e[6],u=e[7];break;case"z":case"Z":l=h,u=c,t.closePath()}a=e}this._renderFill(t),this._renderStroke(t)},render:function(t,i){this.visible&&(t.save(),this._setupCompositeOperation(t),i||this.transform(t),this._setStrokeStyles(t),this._setFillStyles(t),this.group&&"path-group"===this.group.type&&t.translate(-this.group.width/2,-this.group.height/2),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this._setOpacity(t),this._setShadow(t),this.clipTo&&e.util.clipContext(this,t),this._render(t,i),this.clipTo&&t.restore(),this._removeShadow(t),this._restoreCompositeOperation(t),t.restore())},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(t){var e=s(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()}),pathOffset:this.pathOffset});return this.sourcePath&&(e.sourcePath=this.sourcePath),this.transformMatrix&&(e.transformMatrix=this.transformMatrix),e},toDatalessObject:function(t){var e=this.toObject(t);return this.sourcePath&&(e.path=this.sourcePath),delete e.sourcePath,e},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),r="",s=0,n=this.path.length;s<n;s++)e.push(this.path[s].join(" "));var o=e.join(" ");return this.group&&"path-group"===this.group.type||(r="translate("+-this.pathOffset.x+", "+-this.pathOffset.y+")"),i.push("<path ",'d="',o,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),r,this.getSvgTransformMatrix(),'" stroke-linecap="round" ',"/>\n"),t?t(i.join("")):i.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,r,s,n=[],o=[],c=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,l=0,u=this.path.length;l<u;l++){for(r=(t=this.path[l]).slice(1).trim(),o.length=0;i=c.exec(r);)o.push(i[0]);s=[t.charAt(0)];for(var f=0,g=o.length;f<g;f++)e=parseFloat(o[f]),isNaN(e)||s.push(e);var d=s[0],p=a[d.toLowerCase()],v=h[d]||d;if(s.length-1>p)for(var b=1,m=s.length;b<m;b+=p)n.push([d].concat(s.slice(b,b+p))),d=v;else n.push(s)}return n},_parseDimensions:function(){for(var t,s,n,o,a,h,c=[],l=[],u=null,f=0,g=0,d=0,p=0,v=0,b=0,m=0,y=this.path.length;m<y;++m){switch((t=this.path[m])[0]){case"l":d+=t[1],p+=t[2],h=[];break;case"L":d=t[1],p=t[2],h=[];break;case"h":d+=t[1],h=[];break;case"H":d=t[1],h=[];break;case"v":p+=t[1],h=[];break;case"V":p=t[1],h=[];break;case"m":f=d+=t[1],g=p+=t[2],h=[];break;case"M":f=d=t[1],g=p=t[2],h=[];break;case"c":s=d+t[5],n=p+t[6],v=d+t[3],b=p+t[4],h=e.util.getBoundsOfCurve(d,p,d+t[1],p+t[2],v,b,s,n),d=s,p=n;break;case"C":d=t[5],p=t[6],v=t[3],b=t[4],h=e.util.getBoundsOfCurve(d,p,t[1],t[2],v,b,d,p);break;case"s":s=d+t[3],n=p+t[4],v=v?2*d-v:d,b=b?2*p-b:p,h=e.util.getBoundsOfCurve(d,p,v,b,d+t[1],p+t[2],s,n),v=d+t[1],b=p+t[2],d=s,p=n;break;case"S":s=t[3],n=t[4],v=2*d-v,b=2*p-b,h=e.util.getBoundsOfCurve(d,p,v,b,t[1],t[2],s,n),d=s,p=n,v=t[1],b=t[2];break;case"q":s=d+t[3],n=p+t[4],v=d+t[1],b=p+t[2],h=e.util.getBoundsOfCurve(d,p,v,b,v,b,s,n),d=s,p=n;break;case"Q":v=t[1],b=t[2],h=e.util.getBoundsOfCurve(d,p,v,b,v,b,t[3],t[4]),d=t[3],p=t[4];break;case"t":s=d+t[1],n=p+t[2],null===u[0].match(/[QqTt]/)?(v=d,b=p):"t"===u[0]?(v=2*d-o,b=2*p-a):"q"===u[0]&&(v=2*d-v,b=2*p-b),o=v,a=b,h=e.util.getBoundsOfCurve(d,p,v,b,v,b,s,n),p=n,v=(d=s)+t[1],b=p+t[2];break;case"T":s=t[1],n=t[2],v=2*d-v,b=2*p-b,h=e.util.getBoundsOfCurve(d,p,v,b,v,b,s,n),d=s,p=n;break;case"a":h=e.util.getBoundsOfArc(d,p,t[1],t[2],t[3],t[4],t[5],t[6]+d,t[7]+p),d+=t[6],p+=t[7];break;case"A":h=e.util.getBoundsOfArc(d,p,t[1],t[2],t[3],t[4],t[5],t[6],t[7]),d=t[6],p=t[7];break;case"z":case"Z":d=f,p=g}u=t,h.forEach(function(t){c.push(t.x),l.push(t.y)}),c.push(d),l.push(p)}var _=i(c),x=i(l);return{left:_,top:x,width:r(c)-_,height:r(l)-x}}}),e.Path.fromObject=function(t,i){"string"==typeof t.path?e.loadSVGFromURL(t.path,function(r){var s=r[0],n=t.path;delete t.path,e.util.object.extend(s,t),s.setSourcePath(n),i(s)}):i(new e.Path(t.path,t))},e.Path.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(["d"]),e.Path.fromElement=function(t,i,r){var n=e.parseAttributes(t,e.Path.ATTRIBUTE_NAMES);i&&i(new e.Path(n.d,s(n,r)))},e.Path.async=!0)}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.invoke,s=e.Object.prototype.toObject;e.PathGroup?e.warn("fabric.PathGroup is already defined"):(e.PathGroup=e.util.createClass(e.Path,{type:"path-group",fill:"",initialize:function(t,e){e=e||{},this.paths=t||[];for(var i=this.paths.length;i--;)this.paths[i].group=this;this.setOptions(e),e.widthAttr&&(this.scaleX=e.widthAttr/e.width),e.heightAttr&&(this.scaleY=e.heightAttr/e.height),this.setCoords(),e.sourcePath&&this.setSourcePath(e.sourcePath)},render:function(t){if(this.visible){t.save();var i=this.transformMatrix;i&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this.transform(t),this._setShadow(t),this.clipTo&&e.util.clipContext(this,t);for(var r=0,s=this.paths.length;r<s;++r)this.paths[r].render(t,!0);this.clipTo&&t.restore(),this._removeShadow(t),t.restore()}},_set:function(t,e){if("fill"===t&&e&&this.isSameColor())for(var i=this.paths.length;i--;)this.paths[i]._set(t,e);return this.callSuper("_set",t,e)},toObject:function(t){var e=i(s.call(this,t),{paths:r(this.getObjects(),"toObject",t)});return this.sourcePath&&(e.sourcePath=this.sourcePath),e},toDatalessObject:function(t){var e=this.toObject(t);return this.sourcePath&&(e.paths=this.sourcePath),e},toSVG:function(t){for(var e=this.getObjects(),i="translate("+this.left+" "+this.top+")",r=["<g ",'style="',this.getSvgStyles(),'" ','transform="',i,this.getSvgTransform(),'" ',">\n"],s=0,n=e.length;s<n;s++)r.push(e[s].toSVG(t));return r.push("</g>\n"),t?t(r.join("")):r.join("")},toString:function(){return"#<fabric.PathGroup ("+this.complexity()+"): { top: "+this.top+", left: "+this.left+" }>"},isSameColor:function(){var t=(this.getObjects()[0].get("fill")||"").toLowerCase();return this.getObjects().every(function(e){return(e.get("fill")||"").toLowerCase()===t})},complexity:function(){return this.paths.reduce(function(t,e){return t+(e&&e.complexity?e.complexity():0)},0)},getObjects:function(){return this.paths}}),e.PathGroup.fromObject=function(t,i){"string"==typeof t.paths?e.loadSVGFromURL(t.paths,function(r){var s=t.paths;delete t.paths;var n=e.util.groupSVGElements(r,t,s);i(n)}):e.util.enlivenObjects(t.paths,function(r){delete t.paths,i(new e.PathGroup(r,t))})},e.PathGroup.async=!0)}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,s=e.util.array.max,n=e.util.array.invoke;if(!e.Group){var o={lockMovementX:!0,lockMovementY:!0,lockRotation:!0,lockScalingX:!0,lockScalingY:!0,lockUniScaling:!0};e.Group=e.util.createClass(e.Object,e.Collection,{type:"group",initialize:function(t,e){e=e||{},this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;this.originalState={},this.callSuper("initialize"),e.originX&&(this.originX=e.originX),e.originY&&(this.originY=e.originY),this._calcBounds(),this._updateObjectsCoords(),e&&i(this,e),this.setCoords(),this.saveCoords()},_updateObjectsCoords:function(){this.forEachObject(this._updateObjectCoords,this)},_updateObjectCoords:function(t){var e=t.getLeft(),i=t.getTop(),r=this.getCenterPoint();t.set({originalLeft:e,originalTop:i,left:e-r.x,top:i-r.y}),t.setCoords(),t.__origHasControls=t.hasControls,t.hasControls=!1},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(t){return this._restoreObjectsState(),t&&(this._objects.push(t),t.group=this),this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this},_setObjectActive:function(t){t.set("active",!0),t.group=this},removeWithUpdate:function(t){return this._moveFlippedObject(t),this._restoreObjectsState(),this.forEachObject(this._setObjectActive,this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this},_onObjectAdded:function(t){t.group=this},_onObjectRemoved:function(t){delete t.group,t.set("active",!1)},delegatedProperties:{fill:!0,opacity:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(t,e){if(t in this.delegatedProperties){var i=this._objects.length;for(this[t]=e;i--;)this._objects[i].set(t,e)}else this[t]=e},toObject:function(t){return i(this.callSuper("toObject",t),{objects:n(this._objects,"toObject",t)})},render:function(t){if(this.visible){t.save(),this.clipTo&&e.util.clipContext(this,t);for(var i=0,r=this._objects.length;i<r;i++)this._renderObject(this._objects[i],t);this.clipTo&&t.restore(),t.restore()}},_renderControls:function(t,e){this.callSuper("_renderControls",t,e);for(var i=0,r=this._objects.length;i<r;i++)this._objects[i]._renderControls(t)},_renderObject:function(t,e){var i=t.hasRotatingPoint;t.visible&&(t.hasRotatingPoint=!1,t.render(e),t.hasRotatingPoint=i)},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},_moveFlippedObject:function(t){var e=t.get("originX"),i=t.get("originY"),r=t.getCenterPoint();t.set({originX:"center",originY:"center",left:r.x,top:r.y}),this._toggleFlipping(t);var s=t.getPointByOrigin(e,i);return t.set({originX:e,originY:i,left:s.x,top:s.y}),this},_toggleFlipping:function(t){this.flipX&&(t.toggle("flipX"),t.set("left",-t.get("left")),t.setAngle(-t.getAngle())),this.flipY&&(t.toggle("flipY"),t.set("top",-t.get("top")),t.setAngle(-t.getAngle()))},_restoreObjectState:function(t){return this._setObjectPosition(t),t.setCoords(),t.hasControls=t.__origHasControls,delete t.__origHasControls,t.set("active",!1),t.setCoords(),delete t.group,this},_setObjectPosition:function(t){var e=this.getCenterPoint(),i=this._getRotatedLeftTop(t);t.set({angle:t.getAngle()+this.getAngle(),left:e.x+i.left,top:e.y+i.top,scaleX:t.get("scaleX")*this.get("scaleX"),scaleY:t.get("scaleY")*this.get("scaleY")})},_getRotatedLeftTop:function(t){var e=this.getAngle()*(Math.PI/180);return{left:-Math.sin(e)*t.getTop()*this.get("scaleY")+Math.cos(e)*t.getLeft()*this.get("scaleX"),top:Math.cos(e)*t.getTop()*this.get("scaleY")+Math.sin(e)*t.getLeft()*this.get("scaleX")}},destroy:function(){return this._objects.forEach(this._moveFlippedObject,this),this._restoreObjectsState()},saveCoords:function(){return this._originalLeft=this.get("left"),this._originalTop=this.get("top"),this},hasMoved:function(){return this._originalLeft!==this.get("left")||this._originalTop!==this.get("top")},setObjectsCoords:function(){return this.forEachObject(function(t){t.setCoords()}),this},_calcBounds:function(t){for(var e,i=[],r=[],s=0,n=this._objects.length;s<n;++s)for(var o in(e=this._objects[s]).setCoords(),e.oCoords)i.push(e.oCoords[o].x),r.push(e.oCoords[o].y);this.set(this._getBounds(i,r,t))},_getBounds:function(t,i,n){var o=e.util.invertTransform(this.getViewportTransform()),a=e.util.transformPoint(new e.Point(r(t),r(i)),o),h=e.util.transformPoint(new e.Point(s(t),s(i)),o),c={width:h.x-a.x||0,height:h.y-a.y||0};return n||(c.left=a.x||0,c.top=a.y||0,"center"===this.originX&&(c.left+=c.width/2),"right"===this.originX&&(c.left+=c.width),"center"===this.originY&&(c.top+=c.height/2),"bottom"===this.originY&&(c.top+=c.height)),c},toSVG:function(t){for(var e=["<g ",'transform="',this.getSvgTransform(),'">\n'],i=0,r=this._objects.length;i<r;i++)e.push(this._objects[i].toSVG(t));return e.push("</g>\n"),t?t(e.join("")):e.join("")},get:function(t){if(t in o){if(this[t])return this[t];for(var e=0,i=this._objects.length;e<i;e++)if(this._objects[e][t])return!0;return!1}return t in this.delegatedProperties?this._objects[0]&&this._objects[0].get(t):this[t]}}),e.Group.fromObject=function(t,i){e.util.enlivenObjects(t.objects,function(r){delete t.objects,i&&i(new e.Group(r,t))})},e.Group.async=!0}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=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:"",alignX:"none",alignY:"none",meetOrSlice:"meet",_lastScaleX:1,_lastScaleY:1,initialize:function(t,e){e||(e={}),this.filters=[],this.resizeFilters=[],this.callSuper("initialize",e),this._initElement(t,e),this._initConfig(e),e.filters&&(this.filters=e.filters,this.applyFilters())},getElement:function(){return this._element},setElement:function(t,e,i){return this._element=t,this._originalElement=t,this._initConfig(i),0!==this.filters.length?this.applyFilters(e):e&&e(),this},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){t.save(),this._setStrokeStyles(t),t.beginPath(),t.strokeRect(-this.width/2,-this.height/2,this.width,this.height),t.closePath(),t.restore()},_renderDashedStroke:function(t){var e=-this.width/2,i=-this.height/2,r=this.width,s=this.height;t.save(),this._setStrokeStyles(t),t.beginPath(),fabric.util.drawDashedLine(t,e,i,e+r,i,this.strokeDashArray),fabric.util.drawDashedLine(t,e+r,i,e+r,i+s,this.strokeDashArray),fabric.util.drawDashedLine(t,e+r,i+s,e,i+s,this.strokeDashArray),fabric.util.drawDashedLine(t,e,i+s,e,i,this.strokeDashArray),t.closePath(),t.restore()},toObject:function(t){return e(this.callSuper("toObject",t),{src:this._originalElement.src||this._originalElement._src,filters:this.filters.map(function(t){return t&&t.toObject()}),crossOrigin:this.crossOrigin,alignX:this.alignX,alignY:this.alignY,meetOrSlice:this.meetOrSlice})},toSVG:function(t){var e=[],i=-this.width/2,r=-this.height/2,s="none";if(this.group&&"path-group"===this.group.type&&(i=this.left,r=this.top),"none"!==this.alignX&&"none"!==this.alignY&&(s="x"+this.alignX+"Y"+this.alignY+" "+this.meetOrSlice),e.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n','<image xlink:href="',this.getSvgSrc(),'" x="',i,'" y="',r,'" style="',this.getSvgStyles(),'" width="',this.width,'" height="',this.height,'" preserveAspectRatio="',s,'"',"></image>\n"),this.stroke||this.strokeDashArray){var n=this.fill;this.fill=null,e.push("<rect ",'x="',i,'" y="',r,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'),this.fill=n}return e.push("</g>\n"),t?t(e.join("")):e.join("")},getSrc:function(){if(this.getElement())return this.getElement().src||this.getElement()._src},setSrc:function(t,e,i){fabric.util.loadImage(t,function(t){return this.setElement(t,e,i)},this,i&&i.crossOrigin)},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},clone:function(t,e){this.constructor.fromObject(this.toObject(e),t)},applyFilters:function(t,e,i,r){if(e=e||this.filters,i=i||this._originalElement){var s=i,n=fabric.util.createCanvasElement(),o=fabric.util.createImage(),a=this;return n.width=s.width,n.height=s.height,n.getContext("2d").drawImage(s,0,0,s.width,s.height),0===e.length?(this._element=i,t&&t(),n):(e.forEach(function(t){t&&t.applyTo(n,t.scaleX||a.scaleX,t.scaleY||a.scaleY),r||"Resize"!==t.type||(a.width*=t.scaleX,a.height*=t.scaleY)}),o.width=n.width,o.height=n.height,fabric.isLikelyNode?(o.src=n.toBuffer(void 0,fabric.Image.pngCompression),a._element=o,!r&&(a._filteredEl=o),t&&t()):(o.onload=function(){a._element=o,!r&&(a._filteredEl=o),t&&t(),o.onload=n=s=null},o.src=n.toDataURL("image/png")),n)}},_render:function(t,e){var i,r,s,n=this._findMargins();i=e?this.left:-this.width/2,r=e?this.top:-this.height/2,"slice"===this.meetOrSlice&&(t.beginPath(),t.rect(i,r,this.width,this.height),t.clip()),!1===this.isMoving&&this.resizeFilters.length&&this._needsResize()?(this._lastScaleX=this.scaleX,this._lastScaleY=this.scaleY,s=this.applyFilters(null,this.resizeFilters,this._filteredEl||this._originalElement,!1)):s=this._element,s&&t.drawImage(s,i+n.marginX,r+n.marginY,n.width,n.height),this._renderStroke(t)},_needsResize:function(){return this.scaleX!==this._lastScaleX||this.scaleY!==this._lastScaleY},_findMargins:function(){var t,e,i=this.width,r=this.height,s=0,n=0;return"none"===this.alignX&&"none"===this.alignY||(t=[this.width/this._element.width,this.height/this._element.height],e="meet"===this.meetOrSlice?Math.min.apply(null,t):Math.max.apply(null,t),i=this._element.width*e,r=this._element.height*e,"Mid"===this.alignX&&(s=(this.width-i)/2),"Max"===this.alignX&&(s=this.width-i),"Mid"===this.alignY&&(n=(this.height-r)/2),"Max"===this.alignY&&(n=this.height-r)),{width:i,height:r,marginX:s,marginY:n}},_resetWidthHeight:function(){var t=this.getElement();this.set("width",t.width),this.set("height",t.height)},_initElement:function(t){this.setElement(fabric.util.getById(t)),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.filters&&t.filters.length?fabric.util.enlivenObjects(t.filters,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){this.width="width"in t?t.width:this.getElement()&&this.getElement().width||0,this.height="height"in t?t.height:this.getElement()&&this.getElement().height||0},complexity:function(){return 1}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(t,e){fabric.util.loadImage(t.src,function(i){fabric.Image.prototype._initFilters.call(t,t,function(r){t.filters=r||[];var s=new fabric.Image(i,t);e&&e(s)})},null,t.crossOrigin)},fabric.Image.fromURL=function(t,e,i){fabric.util.loadImage(t,function(t){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".split(" ")),fabric.Image.fromElement=function(t,i,r){var s,n,o,a=fabric.parseAttributes(t,fabric.Image.ATTRIBUTE_NAMES),h="xMidYMid",c="meet";a.preserveAspectRatio&&(o=a.preserveAspectRatio.split(" ")),o&&o.length&&("meet"!==(c=o.pop())&&"slice"!==c?(h=c,c="meet"):o.length&&(h=o.pop())),s="none"!==h?h.slice(1,4):"none",n="none"!==h?h.slice(5,8):"none",a.alignX=s,a.alignY=n,a.meetOrSlice=c,fabric.Image.fromURL(a["xlink:href"],i,e(r?fabric.util.object.clone(r):{},a))},fabric.Image.async=!0,fabric.Image.pngCompression=1)}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.getAngle()%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(t){var e=function(){},i=(t=t||{}).onComplete||e,r=t.onChange||e,s=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){s.setAngle(t),r()},onComplete:function(){s.setCoords(),i()},onStart:function(){s.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.renderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.renderAll.bind(this)}),this}}),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},toObject:function(){return{type:this.type}},toJSON:function(){return this.toObject()}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Brightness=e.util.createClass(e.Image.filters.BaseFilter,{type:"Brightness",initialize:function(t){t=t||{},this.brightness=t.brightness||0},applyTo:function(t){for(var e=t.getContext("2d"),i=e.getImageData(0,0,t.width,t.height),r=i.data,s=this.brightness,n=0,o=r.length;n<o;n+=4)r[n]+=s,r[n+1]+=s,r[n+2]+=s;e.putImageData(i,0,0)},toObject:function(){return i(this.callSuper("toObject"),{brightness:this.brightness})}}),e.Image.filters.Brightness.fromObject=function(t){return new e.Image.filters.Brightness(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Convolute=e.util.createClass(e.Image.filters.BaseFilter,{type:"Convolute",initialize:function(t){t=t||{},this.opaque=t.opaque,this.matrix=t.matrix||[0,0,0,0,1,0,0,0,0];var i=e.util.createCanvasElement();this.tmpCtx=i.getContext("2d")},_createImageData:function(t,e){return this.tmpCtx.createImageData(t,e)},applyTo:function(t){for(var e=this.matrix,i=t.getContext("2d"),r=i.getImageData(0,0,t.width,t.height),s=Math.round(Math.sqrt(e.length)),n=Math.floor(s/2),o=r.data,a=r.width,h=r.height,c=a,l=h,u=this._createImageData(c,l),f=u.data,g=this.opaque?1:0,d=0;d<l;d++)for(var p=0;p<c;p++){for(var v=d,b=p,m=4*(d*c+p),y=0,_=0,x=0,C=0,S=0;S<s;S++)for(var w=0;w<s;w++){var O=v+S-n,T=b+w-n;if(!(O<0||O>h||T<0||T>a)){var k=4*(O*a+T),j=e[S*s+w];y+=o[k]*j,_+=o[k+1]*j,x+=o[k+2]*j,C+=o[k+3]*j}}f[m]=y,f[m+1]=_,f[m+2]=x,f[m+3]=C+g*(255-C)}i.putImageData(u,0,0)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=function(t){return new e.Image.filters.Convolute(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.GradientTransparency=e.util.createClass(e.Image.filters.BaseFilter,{type:"GradientTransparency",initialize:function(t){t=t||{},this.threshold=t.threshold||100},applyTo:function(t){for(var e=t.getContext("2d"),i=e.getImageData(0,0,t.width,t.height),r=i.data,s=this.threshold,n=r.length,o=0,a=r.length;o<a;o+=4)r[o+3]=s+255*(n-o)/n;e.putImageData(i,0,0)},toObject:function(){return i(this.callSuper("toObject"),{threshold:this.threshold})}}),e.Image.filters.GradientTransparency.fromObject=function(t){return new e.Image.filters.GradientTransparency(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Image.filters.Grayscale=e.util.createClass(e.Image.filters.BaseFilter,{type:"Grayscale",applyTo:function(t){for(var e,i=t.getContext("2d"),r=i.getImageData(0,0,t.width,t.height),s=r.data,n=r.width*r.height*4,o=0;o<n;)e=(s[o]+s[o+1]+s[o+2])/3,s[o]=e,s[o+1]=e,s[o+2]=e,o+=4;i.putImageData(r,0,0)}}),e.Image.filters.Grayscale.fromObject=function(){return new e.Image.filters.Grayscale}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Image.filters.Invert=e.util.createClass(e.Image.filters.BaseFilter,{type:"Invert",applyTo:function(t){var e,i=t.getContext("2d"),r=i.getImageData(0,0,t.width,t.height),s=r.data,n=s.length;for(e=0;e<n;e+=4)s[e]=255-s[e],s[e+1]=255-s[e+1],s[e+2]=255-s[e+2];i.putImageData(r,0,0)}}),e.Image.filters.Invert.fromObject=function(){return new e.Image.filters.Invert}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Mask=e.util.createClass(e.Image.filters.BaseFilter,{type:"Mask",initialize:function(t){t=t||{},this.mask=t.mask,this.channel=[0,1,2,3].indexOf(t.channel)>-1?t.channel:0},applyTo:function(t){if(this.mask){var i,r=t.getContext("2d"),s=r.getImageData(0,0,t.width,t.height),n=s.data,o=this.mask.getElement(),a=e.util.createCanvasElement(),h=this.channel,c=s.width*s.height*4;a.width=o.width,a.height=o.height,a.getContext("2d").drawImage(o,0,0,o.width,o.height);var l=a.getContext("2d").getImageData(0,0,o.width,o.height).data;for(i=0;i<c;i+=4)n[i+3]=l[i+h];r.putImageData(s,0,0)}},toObject:function(){return i(this.callSuper("toObject"),{mask:this.mask.toObject(),channel:this.channel})}}),e.Image.filters.Mask.fromObject=function(t,i){e.util.loadImage(t.mask.src,function(r){t.mask=new e.Image(r,t.mask),i&&i(new e.Image.filters.Mask(t))})},e.Image.filters.Mask.async=!0}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Noise=e.util.createClass(e.Image.filters.BaseFilter,{type:"Noise",initialize:function(t){t=t||{},this.noise=t.noise||0},applyTo:function(t){for(var e,i=t.getContext("2d"),r=i.getImageData(0,0,t.width,t.height),s=r.data,n=this.noise,o=0,a=s.length;o<a;o+=4)e=(.5-Math.random())*n,s[o]+=e,s[o+1]+=e,s[o+2]+=e;i.putImageData(r,0,0)},toObject:function(){return i(this.callSuper("toObject"),{noise:this.noise})}}),e.Image.filters.Noise.fromObject=function(t){return new e.Image.filters.Noise(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Pixelate=e.util.createClass(e.Image.filters.BaseFilter,{type:"Pixelate",initialize:function(t){t=t||{},this.blocksize=t.blocksize||4},applyTo:function(t){var e,i,r,s,n,o,a,h=t.getContext("2d"),c=h.getImageData(0,0,t.width,t.height),l=c.data,u=c.height,f=c.width;for(i=0;i<u;i+=this.blocksize)for(r=0;r<f;r+=this.blocksize){s=l[e=4*i*f+4*r],n=l[e+1],o=l[e+2],a=l[e+3];for(var g=i,d=i+this.blocksize;g<d;g++)for(var p=r,v=r+this.blocksize;p<v;p++)l[e=4*g*f+4*p]=s,l[e+1]=n,l[e+2]=o,l[e+3]=a}h.putImageData(c,0,0)},toObject:function(){return i(this.callSuper("toObject"),{blocksize:this.blocksize})}}),e.Image.filters.Pixelate.fromObject=function(t){return new e.Image.filters.Pixelate(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.RemoveWhite=e.util.createClass(e.Image.filters.BaseFilter,{type:"RemoveWhite",initialize:function(t){t=t||{},this.threshold=t.threshold||30,this.distance=t.distance||20},applyTo:function(t){for(var e,i,r,s=t.getContext("2d"),n=s.getImageData(0,0,t.width,t.height),o=n.data,a=this.threshold,h=this.distance,c=255-a,l=Math.abs,u=0,f=o.length;u<f;u+=4)e=o[u],i=o[u+1],r=o[u+2],e>c&&i>c&&r>c&&l(e-i)<h&&l(e-r)<h&&l(i-r)<h&&(o[u+3]=1);s.putImageData(n,0,0)},toObject:function(){return i(this.callSuper("toObject"),{threshold:this.threshold,distance:this.distance})}}),e.Image.filters.RemoveWhite.fromObject=function(t){return new e.Image.filters.RemoveWhite(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Image.filters.Sepia=e.util.createClass(e.Image.filters.BaseFilter,{type:"Sepia",applyTo:function(t){var e,i,r=t.getContext("2d"),s=r.getImageData(0,0,t.width,t.height),n=s.data,o=n.length;for(e=0;e<o;e+=4)i=.3*n[e]+.59*n[e+1]+.11*n[e+2],n[e]=i+100,n[e+1]=i+50,n[e+2]=i+255;r.putImageData(s,0,0)}}),e.Image.filters.Sepia.fromObject=function(){return new e.Image.filters.Sepia}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Image.filters.Sepia2=e.util.createClass(e.Image.filters.BaseFilter,{type:"Sepia2",applyTo:function(t){var e,i,r,s,n=t.getContext("2d"),o=n.getImageData(0,0,t.width,t.height),a=o.data,h=a.length;for(e=0;e<h;e+=4)i=a[e],r=a[e+1],s=a[e+2],a[e]=(.393*i+.769*r+.189*s)/1.351,a[e+1]=(.349*i+.686*r+.168*s)/1.203,a[e+2]=(.272*i+.534*r+.131*s)/2.14;n.putImageData(o,0,0)}}),e.Image.filters.Sepia2.fromObject=function(){return new e.Image.filters.Sepia2}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Tint=e.util.createClass(e.Image.filters.BaseFilter,{type:"Tint",initialize:function(t){t=t||{},this.color=t.color||"#000000",this.opacity=void 0!==t.opacity?t.opacity:new e.Color(this.color).getAlpha()},applyTo:function(t){var i,r,s,n,o,a,h,c,l,u=t.getContext("2d"),f=u.getImageData(0,0,t.width,t.height),g=f.data,d=g.length;for(r=(l=new e.Color(this.color).getSource())[0]*this.opacity,s=l[1]*this.opacity,n=l[2]*this.opacity,c=1-this.opacity,i=0;i<d;i+=4)o=g[i],a=g[i+1],h=g[i+2],g[i]=r+o*c,g[i+1]=s+a*c,g[i+2]=n+h*c;u.putImageData(f,0,0)},toObject:function(){return i(this.callSuper("toObject"),{color:this.color,opacity:this.opacity})}}),e.Image.filters.Tint.fromObject=function(t){return new e.Image.filters.Tint(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Multiply=e.util.createClass(e.Image.filters.BaseFilter,{type:"Multiply",initialize:function(t){t=t||{},this.color=t.color||"#000000"},applyTo:function(t){var i,r,s=t.getContext("2d"),n=s.getImageData(0,0,t.width,t.height),o=n.data,a=o.length;for(r=new e.Color(this.color).getSource(),i=0;i<a;i+=4)o[i]*=r[0]/255,o[i+1]*=r[1]/255,o[i+2]*=r[2]/255;s.putImageData(n,0,0)},toObject:function(){return i(this.callSuper("toObject"),{color:this.color})}}),e.Image.filters.Multiply.fromObject=function(t){return new e.Image.filters.Multiply(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric;e.Image.filters.Blend=e.util.createClass({type:"Blend",initialize:function(t){t=t||{},this.color=t.color||"#000",this.image=t.image||!1,this.mode=t.mode||"multiply",this.alpha=t.alpha||1},applyTo:function(t){var i,r,s,n,o,a,h,c=t.getContext("2d"),l=c.getImageData(0,0,t.width,t.height),u=l.data,f=!1;if(this.image){f=!0;var g=e.util.createCanvasElement();g.width=this.image.width,g.height=this.image.height;var d=new e.StaticCanvas(g);d.add(this.image),h=d.getContext("2d").getImageData(0,0,d.width,d.height).data}else i=(h=new e.Color(this.color).getSource())[0]*this.alpha,r=h[1]*this.alpha,s=h[2]*this.alpha;for(var p=0,v=u.length;p<v;p+=4)switch(n=u[p],o=u[p+1],a=u[p+2],f&&(i=h[p]*this.alpha,r=h[p+1]*this.alpha,s=h[p+2]*this.alpha),this.mode){case"multiply":u[p]=n*i/255,u[p+1]=o*r/255,u[p+2]=a*s/255;break;case"screen":u[p]=1-(1-n)*(1-i),u[p+1]=1-(1-o)*(1-r),u[p+2]=1-(1-a)*(1-s);break;case"add":u[p]=Math.min(255,n+i),u[p+1]=Math.min(255,o+r),u[p+2]=Math.min(255,a+s);break;case"diff":case"difference":u[p]=Math.abs(n-i),u[p+1]=Math.abs(o-r),u[p+2]=Math.abs(a-s);break;case"subtract":var b=n-i,m=o-r,y=a-s;u[p]=b<0?0:b,u[p+1]=m<0?0:m,u[p+2]=y<0?0:y;break;case"darken":u[p]=Math.min(n,i),u[p+1]=Math.min(o,r),u[p+2]=Math.min(a,s);break;case"lighten":u[p]=Math.max(n,i),u[p+1]=Math.max(o,r),u[p+2]=Math.max(a,s)}c.putImageData(l,0,0)},toObject:function(){return{color:this.color,image:this.image,mode:this.mode,alpha:this.alpha}}}),e.Image.filters.Blend.fromObject=function(t){return new e.Image.filters.Blend(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=Math.pow,r=Math.floor,s=Math.sqrt,n=Math.abs,o=Math.max,a=Math.round,h=Math.sin,c=Math.ceil;e.Image.filters.Resize=e.util.createClass(e.Image.filters.BaseFilter,{type:"Resize",resizeType:"hermite",scaleX:0,scaleY:0,lanczosLobes:3,applyTo:function(t,e,i){this.rcpScaleX=1/e,this.rcpScaleY=1/i;var r,s=t.width,n=t.height,o=a(s*e),h=a(n*i);"sliceHack"===this.resizeType&&(r=this.sliceByTwo(t,s,n,o,h)),"hermite"===this.resizeType&&(r=this.hermiteFastResize(t,s,n,o,h)),"bilinear"===this.resizeType&&(r=this.bilinearFiltering(t,s,n,o,h)),"lanczos"===this.resizeType&&(r=this.lanczosResize(t,s,n,o,h)),t.width=o,t.height=h,t.getContext("2d").putImageData(r,0,0)},sliceByTwo:function(t,i,s,n,a){var h,c=t.getContext("2d"),l=.5,u=.5,f=1,g=1,d=!1,p=!1,v=i,b=s,m=e.util.createCanvasElement(),y=m.getContext("2d");for(n=r(n),a=r(a),m.width=o(n,i),m.height=o(a,s),n>i&&(l=2,f=-1),a>s&&(u=2,g=-1),h=c.getImageData(0,0,i,s),t.width=o(n,i),t.height=o(a,s),c.putImageData(h,0,0);!d||!p;)i=v,s=b,n*f<r(v*l*f)?v=r(v*l):(v=n,d=!0),a*g<r(b*u*g)?b=r(b*u):(b=a,p=!0),h=c.getImageData(0,0,i,s),y.putImageData(h,0,0),c.clearRect(0,0,v,b),c.drawImage(m,0,0,i,s,0,0,v,b);return c.getImageData(0,0,n,a)},lanczosResize:function(t,e,o,a,l){var u,f=t.getContext("2d"),g=f.getImageData(0,0,e,o),d=f.getImageData(0,0,a,l),p=g.data,v=d.data,b=(u=this.lanczosLobes,function(t){if(t>u)return 0;if(t*=Math.PI,n(t)<1e-16)return 1;var e=t/u;return h(t)*h(e)/t/e}),m=this.rcpScaleX,y=this.rcpScaleY,_=2/this.rcpScaleX,x=2/this.rcpScaleY,C=c(m*this.lanczosLobes/2),S=c(y*this.lanczosLobes/2),w={},O={},T={};return function t(h){var c,u,f,g,k,j,A,P,E,I,M;for(O.x=(h+.5)*m,T.x=r(O.x),c=0;c<l;c++){for(O.y=(c+.5)*y,T.y=r(O.y),k=0,j=0,A=0,P=0,E=0,u=T.x-C;u<=T.x+C;u++)if(!(u<0||u>=e)){I=r(1e3*n(u-O.x)),w[I]||(w[I]={});for(var D=T.y-S;D<=T.y+S;D++)D<0||D>=o||(M=r(1e3*n(D-O.y)),w[I][M]||(w[I][M]=b(s(i(I*_,2)+i(M*x,2))/1e3)),(f=w[I][M])>0&&(k+=f,j+=f*p[g=4*(D*e+u)],A+=f*p[g+1],P+=f*p[g+2],E+=f*p[g+3]))}v[g=4*(c*a+h)]=j/k,v[g+1]=A/k,v[g+2]=P/k,v[g+3]=E/k}return++h<a?t(h):d}(0)},bilinearFiltering:function(t,e,i,s,n){var o,a,h,c,l,u,f,g,d,p=0,v=this.rcpScaleX,b=this.rcpScaleY,m=t.getContext("2d"),y=4*(e-1),_=m.getImageData(0,0,e,i).data,x=m.getImageData(0,0,s,n),C=x.data;for(h=0;h<n;h++)for(c=0;c<s;c++)for(l=v*c-(o=r(v*c)),u=b*h-(a=r(b*h)),d=4*(a*e+o),f=0;f<4;f++)g=_[d+f]*(1-l)*(1-u)+_[d+4+f]*l*(1-u)+_[d+y+f]*u*(1-l)+_[d+y+4+f]*l*u,C[p++]=g;return x},hermiteFastResize:function(t,e,i,o,a){for(var h=this.rcpScaleX,l=this.rcpScaleY,u=c(h/2),f=c(l/2),g=t.getContext("2d"),d=g.getImageData(0,0,e,i).data,p=g.getImageData(0,0,o,a),v=p.data,b=0;b<a;b++)for(var m=0;m<o;m++){for(var y=4*(m+b*o),_=0,x=0,C=0,S=0,w=0,O=0,T=0,k=(b+.5)*l,j=r(b*l);j<(b+1)*l;j++)for(var A=n(k-(j+.5))/f,P=(m+.5)*h,E=A*A,I=r(m*h);I<(m+1)*h;I++){var M=n(P-(I+.5))/u,D=s(E+M*M);D>1&&D<-1||(_=2*D*D*D-3*D*D+1)>0&&(T+=_*d[(M=4*(I+j*e))+3],C+=_,d[M+3]<255&&(_=_*d[M+3]/250),S+=_*d[M],w+=_*d[M+1],O+=_*d[M+2],x+=_)}v[y]=S/x,v[y+1]=w/x,v[y+2]=O/x,v[y+3]=T/C}return p}}),e.Image.filters.Resize.fromObject=function(){return new e.Image.filters.Resize}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.object.clone,s=e.util.toFixed,n=e.StaticCanvas.supports("setLineDash");if(e.Text)e.warn("fabric.Text is already defined");else{var o=e.Object.prototype.stateProperties.concat();o.push("fontFamily","fontWeight","fontSize","text","textDecoration","textAlign","fontStyle","lineHeight","textBackgroundColor","useNative","path"),e.Text=e.util.createClass(e.Object,{_dimensionAffectingProps:{fontSize:!0,fontWeight:!0,fontFamily:!0,textDecoration:!0,fontStyle:!0,lineHeight:!0,stroke:!0,strokeWidth:!0,text:!0},_reNewline:/\r?\n/,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",textDecoration:"",textAlign:"left",fontStyle:"",lineHeight:1.3,textBackgroundColor:"",path:null,useNative:!0,stateProperties:o,stroke:null,shadow:null,initialize:function(t,e){e=e||{},this.text=t,this.__skipDimension=!0,this.setOptions(e),this.__skipDimension=!1,this._initDimensions()},_initDimensions:function(){if(!this.__skipDimension){var t=e.util.createCanvasElement();this._render(t.getContext("2d"))}},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_render:function(t){"undefined"==typeof Cufon||!0===this.useNative?this._renderViaNative(t):this._renderViaCufon(t)},_renderViaNative:function(t){var i=this.text.split(this._reNewline);this._setTextStyles(t),this.width=this._getTextWidth(t,i),this.height=this._getTextHeight(t,i),this.clipTo&&e.util.clipContext(this,t),this._renderTextBackground(t,i),this._translateForTextAlign(t),this._renderText(t,i),"left"!==this.textAlign&&"justify"!==this.textAlign&&t.restore(),this._renderTextDecoration(t,i),this.clipTo&&t.restore(),this._setBoundaries(t,i),this._totalLineHeight=0},_renderText:function(t,e){t.save(),this._setOpacity(t),this._setShadow(t),this._setupCompositeOperation(t),this._renderTextFill(t,e),this._renderTextStroke(t,e),this._restoreCompositeOperation(t),this._removeShadow(t),t.restore()},_translateForTextAlign:function(t){"left"!==this.textAlign&&"justify"!==this.textAlign&&(t.save(),t.translate("center"===this.textAlign?this.width/2:this.width,0))},_setBoundaries:function(t,e){this._boundaries=[];for(var i=0,r=e.length;i<r;i++){var s=this._getLineWidth(t,e[i]),n=this._getLineLeftOffset(s);this._boundaries.push({height:this.fontSize*this.lineHeight,width:s,left:n})}},_setTextStyles:function(t){this._setFillStyles(t),this._setStrokeStyles(t),t.textBaseline="alphabetic",this.skipTextAlign||(t.textAlign=this.textAlign),t.font=this._getFontDeclaration()},_getTextHeight:function(t,e){return this.fontSize*e.length*this.lineHeight},_getTextWidth:function(t,e){for(var i=t.measureText(e[0]||"|").width,r=1,s=e.length;r<s;r++){var n=t.measureText(e[r]).width;n>i&&(i=n)}return i},_renderChars:function(t,e,i,r,s){e[t](i,r,s)},_renderTextLine:function(t,e,i,r,s,n){if(s-=this.fontSize/4,"justify"===this.textAlign){var o=e.measureText(i).width,a=this.width;if(a>o)for(var h=i.split(/\s+/),c=(a-e.measureText(i.replace(/\s+/g,"")).width)/(h.length-1),l=0,u=0,f=h.length;u<f;u++)this._renderChars(t,e,h[u],r+l,s,n),l+=e.measureText(h[u]).width+c;else this._renderChars(t,e,i,r,s,n)}else this._renderChars(t,e,i,r,s,n)},_getLeftOffset:function(){return-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextFill:function(t,e){if(this.fill||this._skipFillStrokeCheck){this._boundaries=[];for(var i=0,r=0,s=e.length;r<s;r++){i+=this._getHeightOfLine(t,r,e),this._renderTextLine("fillText",t,e[r],this._getLeftOffset(),this._getTopOffset()+i,r)}this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t)}},_renderTextStroke:function(t,e){if(this.stroke&&0!==this.strokeWidth||this._skipFillStrokeCheck){var i=0;t.save(),this.strokeDashArray&&(1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),n&&t.setLineDash(this.strokeDashArray)),t.beginPath();for(var r=0,s=e.length;r<s;r++){i+=this._getHeightOfLine(t,r,e),this._renderTextLine("strokeText",t,e[r],this._getLeftOffset(),this._getTopOffset()+i,r)}t.closePath(),t.restore()}},_getHeightOfLine:function(){return this.fontSize*this.lineHeight},_renderTextBackground:function(t,e){this._renderTextBoxBackground(t),this._renderTextLinesBackground(t,e)},_renderTextBoxBackground:function(t){this.backgroundColor&&(t.save(),t.fillStyle=this.backgroundColor,t.fillRect(this._getLeftOffset(),this._getTopOffset(),this.width,this.height),t.restore())},_renderTextLinesBackground:function(t,e){if(this.textBackgroundColor){t.save(),t.fillStyle=this.textBackgroundColor;for(var i=0,r=e.length;i<r;i++)if(""!==e[i]){var s=this._getLineWidth(t,e[i]),n=this._getLineLeftOffset(s);t.fillRect(this._getLeftOffset()+n,this._getTopOffset()+i*this.fontSize*this.lineHeight,s,this.fontSize*this.lineHeight)}t.restore()}},_getLineLeftOffset:function(t){return"center"===this.textAlign?(this.width-t)/2:"right"===this.textAlign?this.width-t:0},_getLineWidth:function(t,e){return"justify"===this.textAlign?this.width:t.measureText(e).width},_renderTextDecoration:function(t,e){if(this.textDecoration){var i=this._getTextHeight(t,e)/2,r=this;this.textDecoration.indexOf("underline")>-1&&s(this.fontSize*this.lineHeight),this.textDecoration.indexOf("line-through")>-1&&s(this.fontSize*this.lineHeight-this.fontSize/2),this.textDecoration.indexOf("overline")>-1&&s(this.fontSize*this.lineHeight-this.fontSize)}function s(s){for(var n=0,o=e.length;n<o;n++){var a=r._getLineWidth(t,e[n]),h=r._getLineLeftOffset(a);t.fillRect(r._getLeftOffset()+h,~~(s+n*r._getHeightOfLine(t,n,e)-i),a,1)}}},_getFontDeclaration:function(){return[e.isLikelyNode?this.fontWeight:this.fontStyle,e.isLikelyNode?this.fontStyle:this.fontWeight,this.fontSize+"px",e.isLikelyNode?'"'+this.fontFamily+'"':this.fontFamily].join(" ")},render:function(t,e){if(this.visible){t.save(),e||this.transform(t);var i=this.group&&"path-group"===this.group.type;i&&t.translate(-this.group.width/2,-this.group.height/2),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),i&&t.translate(this.left,this.top),this._render(t),t.restore()}},toObject:function(t){var e=i(this.callSuper("toObject",t),{text:this.text,fontSize:this.fontSize,fontWeight:this.fontWeight,fontFamily:this.fontFamily,fontStyle:this.fontStyle,lineHeight:this.lineHeight,textDecoration:this.textDecoration,textAlign:this.textAlign,path:this.path,textBackgroundColor:this.textBackgroundColor,useNative:this.useNative});return this.includeDefaultValues||this._removeDefaultValues(e),e},toSVG:function(t){var e=[],i=this.text.split(this._reNewline),r=this._getSVGLeftTopOffsets(i),s=this._getSVGTextAndBg(r.lineTop,r.textLeft,i),n=this._getSVGShadows(r.lineTop,i);return r.textTop+=this._fontAscent?this._fontAscent/5*this.lineHeight:0,this._wrapSVGTextAndBg(e,s,n,r),t?t(e.join("")):e.join("")},_getSVGLeftTopOffsets:function(t){var e=this.useNative?this.fontSize*this.lineHeight:-this._fontAscent-this._fontAscent/5*this.lineHeight,i=-this.width/2,r=this.useNative?this.fontSize*this.lineHeight-.25*this.fontSize:this.height/2-t.length*this.fontSize-this._totalLineHeight;return{textLeft:i+(this.group&&"path-group"===this.group.type?this.left:0),textTop:r+(this.group&&"path-group"===this.group.type?this.top:0),lineTop:e}},_wrapSVGTextAndBg:function(t,e,i,r){t.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n',e.textBgRects.join(""),"<text ",this.fontFamily?'font-family="'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size="'+this.fontSize+'" ':"",this.fontStyle?'font-style="'+this.fontStyle+'" ':"",this.fontWeight?'font-weight="'+this.fontWeight+'" ':"",this.textDecoration?'text-decoration="'+this.textDecoration+'" ':"",'style="',this.getSvgStyles(),'" ','transform="translate(',s(r.textLeft,2)," ",s(r.textTop,2),')">',i.join(""),e.textSpans.join(""),"</text>\n","</g>\n")},_getSVGShadows:function(t,i){var r,n,o=[],a=1;if(!this.shadow||!this._boundaries)return o;for(r=0,n=i.length;r<n;r++)if(""!==i[r]){var h=this._boundaries&&this._boundaries[r]?this._boundaries[r].left:0;o.push('<tspan x="',s(h+a+this.shadow.offsetX,2),0===r||this.useNative?'" y':'" dy','="',s(this.useNative?t*r-this.height/2+this.shadow.offsetY:t+(0===r?this.shadow.offsetY:0),2),'" ',this._getFillAttributes(this.shadow.color),">",e.util.string.escapeXml(i[r]),"</tspan>"),a=1}else a++;return o},_getSVGTextAndBg:function(t,e,i){var r=[],s=[],n=1;this._setSVGBg(s);for(var o=0,a=i.length;o<a;o++)""!==i[o]?(this._setSVGTextLineText(i[o],o,r,t,n,s),n=1):n++,this.textBackgroundColor&&this._boundaries&&this._setSVGTextLineBg(s,o,e,t);return{textSpans:r,textBgRects:s}},_setSVGTextLineText:function(t,i,r,n,o){var a=this._boundaries&&this._boundaries[i]?s(this._boundaries[i].left,2):0;r.push('<tspan x="',a,'" ',0===i||this.useNative?"y":"dy",'="',s(this.useNative?n*i-this.height/2:n*o,2),'" ',this._getFillAttributes(this.fill),">",e.util.string.escapeXml(t),"</tspan>")},_setSVGTextLineBg:function(t,e,i,r){t.push("<rect ",this._getFillAttributes(this.textBackgroundColor),' x="',s(i+this._boundaries[e].left,2),'" y="',s(r*e-this.height/2,2),'" width="',s(this._boundaries[e].width,2),'" height="',s(this._boundaries[e].height,2),'"></rect>\n')},_setSVGBg:function(t){this.backgroundColor&&this._boundaries&&t.push("<rect ",this._getFillAttributes(this.backgroundColor),' x="',s(-this.width/2,2),'" y="',s(-this.height/2,2),'" width="',s(this.width,2),'" height="',s(this.height,2),'"></rect>')},_getFillAttributes:function(t){var i=t&&"string"==typeof t?new e.Color(t):"";return i&&i.getSource()&&1!==i.getAlpha()?'opacity="'+i.getAlpha()+'" fill="'+i.setAlpha(1).toRgb()+'"':'fill="'+t+'"'},_set:function(t,e){"fontFamily"===t&&this.path&&(this.path=this.path.replace(/(.*?)([^\/]*)(\.font\.js)/,"$1"+e+"$3")),this.callSuper("_set",t,e),t in this._dimensionAffectingProps&&(this._initDimensions(),this.setCoords())},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,i){if(!t)return null;var r=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES);(i=e.util.object.extend(i?e.util.object.clone(i):{},r)).top=i.top||0,i.left=i.left||0,"dx"in r&&(i.left+=r.dx),"dy"in r&&(i.top+=r.dy),"fontSize"in i||(i.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE),i.originX||(i.originX="left"),i.top+=i.fontSize/4;var s=new e.Text(t.textContent,i),n=0;return"left"===s.originX&&(n=s.getWidth()/2),"right"===s.originX&&(n=-s.getWidth()/2),s.set({left:s.getLeft()+n,top:s.getTop()-s.getHeight()/2}),s},e.Text.fromObject=function(t){return new e.Text(t.text,r(t))},e.util.createAccessors(e.Text)}}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.object.clone;fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,styles:null,caching:!0,_skipFillStrokeCheck:!0,_reSpace:/\s|\n/,_fontSizeFraction:4,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,_charWidthsCache:{},initialize:function(t,e){this.styles=e&&e.styles||{},this.callSuper("initialize",t,e),this.initBehavior(),fabric.IText.instances.push(this),this.__lineWidths={},this.__lineHeights={},this.__lineOffsets={}},isEmptyStyles:function(){if(!this.styles)return!0;var t=this.styles;for(var e in t)for(var i in t[e])for(var r in t[e][i])return!1;return!0},setSelectionStart:function(t){this.selectionStart!==t&&(this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})),this.selectionStart=t,this.hiddenTextarea&&(this.hiddenTextarea.selectionStart=t)},setSelectionEnd:function(t){this.selectionEnd!==t&&(this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})),this.selectionEnd=t,this.hiddenTextarea&&(this.hiddenTextarea.selectionEnd=t)},getSelectionStyles:function(t,e){if(2===arguments.length){for(var i=[],r=t;r<e;r++)i.push(this.getSelectionStyles(r));return i}var s=this.get2DCursorLocation(t);return this.styles[s.lineIndex]&&this.styles[s.lineIndex][s.charIndex]||{}},setSelectionStyles:function(t){if(this.selectionStart===this.selectionEnd)this._extendStyles(this.selectionStart,t);else for(var e=this.selectionStart;e<this.selectionEnd;e++)this._extendStyles(e,t);return this},_extendStyles:function(t,e){var i=this.get2DCursorLocation(t);this.styles[i.lineIndex]||(this.styles[i.lineIndex]={}),this.styles[i.lineIndex][i.charIndex]||(this.styles[i.lineIndex][i.charIndex]={}),fabric.util.object.extend(this.styles[i.lineIndex][i.charIndex],e)},_render:function(t){this.callSuper("_render",t),this.ctx=t,this.isEditing&&this.renderCursorOrSelection()},renderCursorOrSelection:function(){if(this.active){var t,e=this.text.split("");this.selectionStart===this.selectionEnd?(t=this._getCursorBoundaries(e,"cursor"),this.renderCursor(t)):(t=this._getCursorBoundaries(e,"selection"),this.renderSelection(e,t))}},get2DCursorLocation:function(t){void 0===t&&(t=this.selectionStart);var e=this.text.slice(0,t).split(this._reNewline);return{lineIndex:e.length-1,charIndex:e[e.length-1].length}},getCurrentCharStyle:function(t,e){var i=this.styles[t]&&this.styles[t][0===e?0:e-1];return{fontSize:i&&i.fontSize||this.fontSize,fill:i&&i.fill||this.fill,textBackgroundColor:i&&i.textBackgroundColor||this.textBackgroundColor,textDecoration:i&&i.textDecoration||this.textDecoration,fontFamily:i&&i.fontFamily||this.fontFamily,fontWeight:i&&i.fontWeight||this.fontWeight,fontStyle:i&&i.fontStyle||this.fontStyle,stroke:i&&i.stroke||this.stroke,strokeWidth:i&&i.strokeWidth||this.strokeWidth}},getCurrentCharFontSize:function(t,e){return this.styles[t]&&this.styles[t][0===e?0:e-1]&&this.styles[t][0===e?0:e-1].fontSize||this.fontSize},getCurrentCharColor:function(t,e){return this.styles[t]&&this.styles[t][0===e?0:e-1]&&this.styles[t][0===e?0:e-1].fill||this.cursorColor},_getCursorBoundaries:function(t,e){var i=this.get2DCursorLocation(),r=this.text.split(this._reNewline),s=Math.round(this._getLeftOffset()),n=this._getTopOffset(),o=this._getCursorBoundariesOffsets(t,e,i,r);return{left:s,top:n,leftOffset:o.left+o.lineLeft,topOffset:o.top}},_getCursorBoundariesOffsets:function(t,e,i,r){for(var s=0,n=0,o=0,a=0,h="cursor"===e?this._getHeightOfLine(this.ctx,0)-this.getCurrentCharFontSize(i.lineIndex,i.charIndex):0,c=0;c<this.selectionStart;c++){if("\n"===t[c]){a=0;var l=n+("cursor"===e?1:0);h+=this._getCachedLineHeight(l),n++,o=0}else a+=this._getWidthOfChar(this.ctx,t[c],n,o),o++;s=this._getCachedLineOffset(n,r)}return this._clearCache(),{top:h,left:a,lineLeft:s}},_clearCache:function(){this.__lineWidths={},this.__lineHeights={},this.__lineOffsets={}},_getCachedLineHeight:function(t){return this.__lineHeights[t]||(this.__lineHeights[t]=this._getHeightOfLine(this.ctx,t))},_getCachedLineWidth:function(t,e){return this.__lineWidths[t]||(this.__lineWidths[t]=this._getWidthOfLine(this.ctx,t,e))},_getCachedLineOffset:function(t,e){var i=this._getCachedLineWidth(t,e);return this.__lineOffsets[t]||(this.__lineOffsets[t]=this._getLineLeftOffset(i))},renderCursor:function(t){var e=this.ctx;e.save();var i=this.get2DCursorLocation(),r=i.lineIndex,s=i.charIndex,n=this.getCurrentCharFontSize(r,s),o=0===r&&0===s?this._getCachedLineOffset(r,this.text.split(this._reNewline)):t.leftOffset;e.fillStyle=this.getCurrentCharColor(r,s),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+o,t.top+t.topOffset,this.cursorWidth/this.scaleX,n),e.restore()},renderSelection:function(t,e){var i=this.ctx;i.save(),i.fillStyle=this.selectionColor;for(var r=this.get2DCursorLocation(this.selectionStart),s=this.get2DCursorLocation(this.selectionEnd),n=r.lineIndex,o=s.lineIndex,a=this.text.split(this._reNewline),h=n;h<=o;h++){var c=this._getCachedLineOffset(h,a)||0,l=this._getCachedLineHeight(h),u=0;if(h===n)for(var f=0,g=a[h].length;f<g;f++)f>=r.charIndex&&(h!==o||f<s.charIndex)&&(u+=this._getWidthOfChar(i,a[h][f],h,f)),f<r.charIndex&&(c+=this._getWidthOfChar(i,a[h][f],h,f));else if(h>n&&h<o)u+=this._getCachedLineWidth(h,a)||5;else if(h===o)for(var d=0,p=s.charIndex;d<p;d++)u+=this._getWidthOfChar(i,a[h][d],h,d);i.fillRect(e.left+c,e.top+e.topOffset,u,l),e.topOffset+=l}i.restore()},_renderChars:function(t,e,i,r,s,n){if(this.isEmptyStyles())return this._renderCharsFast(t,e,i,r,s);this.skipTextAlign=!0,r-="center"===this.textAlign?this.width/2:"right"===this.textAlign?this.width:0;var o,a=this.text.split(this._reNewline),h=this._getWidthOfLine(e,n,a),c=this._getHeightOfLine(e,n,a),l=this._getLineLeftOffset(h),u=i.split(""),f="";r+=l||0,e.save();for(var g=0,d=u.length;g<=d;g++){o=o||this.getCurrentCharStyle(n,g);var p=this.getCurrentCharStyle(n,g+1);(this._hasStyleChanged(o,p)||g===d)&&(this._renderChar(t,e,n,g-1,f,r,s,c),f="",o=p),f+=u[g]}e.restore()},_renderCharsFast:function(t,e,i,r,s){this.skipTextAlign=!1,"fillText"===t&&this.fill&&this.callSuper("_renderChars",t,e,i,r,s),"strokeText"===t&&this.stroke&&this.callSuper("_renderChars",t,e,i,r,s)},_renderChar:function(t,e,i,r,s,n,o,a){var h,c,l;if(this.styles&&this.styles[i]&&(h=this.styles[i][r])){var u=h.stroke||this.stroke,f=h.fill||this.fill;e.save(),c=this._applyCharStylesGetWidth(e,s,i,r,h),l=this._getHeightOfChar(e,s,i,r),f&&e.fillText(s,n,o),u&&e.strokeText(s,n,o),this._renderCharDecoration(e,h,n,o,c,a,l),e.restore(),e.translate(c,0)}else"strokeText"===t&&this.stroke&&e[t](s,n,o),"fillText"===t&&this.fill&&e[t](s,n,o),c=this._applyCharStylesGetWidth(e,s,i,r),this._renderCharDecoration(e,null,n,o,c,a),e.translate(e.measureText(s).width,0)},_hasStyleChanged:function(t,e){return t.fill!==e.fill||t.fontSize!==e.fontSize||t.textBackgroundColor!==e.textBackgroundColor||t.textDecoration!==e.textDecoration||t.fontFamily!==e.fontFamily||t.fontWeight!==e.fontWeight||t.fontStyle!==e.fontStyle||t.stroke!==e.stroke||t.strokeWidth!==e.strokeWidth},_renderCharDecoration:function(t,e,i,r,s,n,o){var a=e&&e.textDecoration||this.textDecoration,h=(e?e.fontSize:null)||this.fontSize;a&&(a.indexOf("underline")>-1&&this._renderCharDecorationAtOffset(t,i,r+this.fontSize/this._fontSizeFraction,s,0,this.fontSize/20),a.indexOf("line-through")>-1&&this._renderCharDecorationAtOffset(t,i,r+this.fontSize/this._fontSizeFraction,s,o/2,h/20),a.indexOf("overline")>-1&&this._renderCharDecorationAtOffset(t,i,r,s,n-this.fontSize/this._fontSizeFraction,this.fontSize/20))},_renderCharDecorationAtOffset:function(t,e,i,r,s,n){t.fillRect(e,i-s,r,n)},_renderTextLine:function(t,e,i,r,s,n){s+=this.fontSize/4,this.callSuper("_renderTextLine",t,e,i,r,s,n)},_renderTextDecoration:function(t,e){if(this.isEmptyStyles())return this.callSuper("_renderTextDecoration",t,e)},_renderTextLinesBackground:function(t,e){if(this.textBackgroundColor||this.styles){t.save(),this.textBackgroundColor&&(t.fillStyle=this.textBackgroundColor);for(var i=0,r=this.fontSize/this._fontSizeFraction,s=0,n=e.length;s<n;s++){var o=this._getHeightOfLine(t,s,e);if(""!==e[s]){var a=this._getWidthOfLine(t,s,e),h=this._getLineLeftOffset(a);if(this.textBackgroundColor&&(t.fillStyle=this.textBackgroundColor,t.fillRect(this._getLeftOffset()+h,this._getTopOffset()+i+r,a,o)),this.styles[s])for(var c=0,l=e[s].length;c<l;c++)if(this.styles[s]&&this.styles[s][c]&&this.styles[s][c].textBackgroundColor){var u=e[s][c];t.fillStyle=this.styles[s][c].textBackgroundColor,t.fillRect(this._getLeftOffset()+h+this._getWidthOfCharsAt(t,s,c,e),this._getTopOffset()+i+r,this._getWidthOfChar(t,u,s,c,e)+1,o)}i+=o}else i+=o}t.restore()}},_getCacheProp:function(t,e){return t+e.fontFamily+e.fontSize+e.fontWeight+e.fontStyle+e.shadow},_applyCharStylesGetWidth:function(e,i,r,s,n){var o=n||this.styles[r]&&this.styles[r][s];o=o?t(o):{},this._applyFontStyles(o);var a=this._getCacheProp(i,o);if(this.isEmptyStyles()&&this._charWidthsCache[a]&&this.caching)return this._charWidthsCache[a];"string"==typeof o.shadow&&(o.shadow=new fabric.Shadow(o.shadow));var h=o.fill||this.fill;return e.fillStyle=h.toLive?h.toLive(e):h,o.stroke&&(e.strokeStyle=o.stroke&&o.stroke.toLive?o.stroke.toLive(e):o.stroke),e.lineWidth=o.strokeWidth||this.strokeWidth,e.font=this._getFontDeclaration.call(o),this._setShadow.call(o,e),this.caching?(this._charWidthsCache[a]||(this._charWidthsCache[a]=e.measureText(i).width),this._charWidthsCache[a]):e.measureText(i).width},_applyFontStyles:function(t){t.fontFamily||(t.fontFamily=this.fontFamily),t.fontSize||(t.fontSize=this.fontSize),t.fontWeight||(t.fontWeight=this.fontWeight),t.fontStyle||(t.fontStyle=this.fontStyle)},_getStyleDeclaration:function(e,i){return this.styles[e]&&this.styles[e][i]?t(this.styles[e][i]):{}},_getWidthOfChar:function(t,e,i,r){if("justify"===this.textAlign&&/\s/.test(e))return this._getWidthOfSpace(t,i);var s=this._getStyleDeclaration(i,r);this._applyFontStyles(s);var n=this._getCacheProp(e,s);if(this._charWidthsCache[n]&&this.caching)return this._charWidthsCache[n];if(t){t.save();var o=this._applyCharStylesGetWidth(t,e,i,r);return t.restore(),o}},_getHeightOfChar:function(t,e,i,r){return this.styles[i]&&this.styles[i][r]&&this.styles[i][r].fontSize||this.fontSize},_getWidthOfCharAt:function(t,e,i,r){var s=(r=r||this.text.split(this._reNewline))[e].split("")[i];return this._getWidthOfChar(t,s,e,i)},_getHeightOfCharAt:function(t,e,i,r){var s=(r=r||this.text.split(this._reNewline))[e].split("")[i];return this._getHeightOfChar(t,s,e,i)},_getWidthOfCharsAt:function(t,e,i,r){for(var s=0,n=0;n<i;n++)s+=this._getWidthOfCharAt(t,e,n,r);return s},_getWidthOfLine:function(t,e,i){return this._getWidthOfCharsAt(t,e,i[e].length,i)},_getWidthOfSpace:function(t,e){var i=this.text.split(this._reNewline)[e],r=i.split(/\s+/),s=this._getWidthOfWords(t,i,e);return(this.width-s)/(r.length-1)},_getWidthOfWords:function(t,e,i){for(var r=0,s=0;s<e.length;s++){var n=e[s];n.match(/\s/)||(r+=this._getWidthOfChar(t,n,i,s))}return r},_getTextWidth:function(t,e){if(this.isEmptyStyles())return this.callSuper("_getTextWidth",t,e);for(var i=this._getWidthOfLine(t,0,e),r=1,s=e.length;r<s;r++){var n=this._getWidthOfLine(t,r,e);n>i&&(i=n)}return i},_getHeightOfLine:function(t,e,i){i=i||this.text.split(this._reNewline);for(var r=this._getHeightOfChar(t,i[e][0],e,0),s=i[e].split(""),n=1,o=s.length;n<o;n++){var a=this._getHeightOfChar(t,s[n],e,n);a>r&&(r=a)}return r*this.lineHeight},_getTextHeight:function(t,e){for(var i=0,r=0,s=e.length;r<s;r++)i+=this._getHeightOfLine(t,r,e);return i},_getTopOffset:function(){return fabric.Text.prototype._getTopOffset.call(this)-this.fontSize/this._fontSizeFraction},_renderTextBoxBackground:function(t){this.backgroundColor&&(t.save(),t.fillStyle=this.backgroundColor,t.fillRect(this._getLeftOffset(),this._getTopOffset()+this.fontSize/this._fontSizeFraction,this.width,this.height),t.restore())},toObject:function(e){return fabric.util.object.extend(this.callSuper("toObject",e),{styles:t(this.styles)})}}),fabric.IText.fromObject=function(e){return new fabric.IText(e.text,t(e))},fabric.IText.instances=[]}(),function(){var t=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation()},initSelectedHandler:function(){this.on("selected",function(){var t=this;setTimeout(function(){t.selected=!0},100)})},initAddedHandler:function(){this.on("added",function(){this.canvas&&!this.canvas._hasITextHandlers&&(this.canvas._hasITextHandlers=!0,this._initCanvasHandlers())})},_initCanvasHandlers:function(){this.canvas.on("selection:cleared",function(){fabric.IText.prototype.exitEditingOnOthers.call()}),this.canvas.on("mouse:up",function(){fabric.IText.instances.forEach(function(t){t.__isMousedown=!1})}),this.canvas.on("object:selected",function(t){fabric.IText.prototype.exitEditingOnOthers.call(t.target)})},_tick:function(){if(!this._abortCursorAnimation){var t=this;this.animate("_currentCursorOpacity",1,{duration:this.cursorDuration,onComplete:function(){t._onTickComplete()},onChange:function(){t.canvas&&t.canvas.renderAll()},abort:function(){return t._abortCursorAnimation}})}},_onTickComplete:function(){if(!this._abortCursorAnimation){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t.animate("_currentCursorOpacity",0,{duration:this.cursorDuration/2,onComplete:function(){t._tick()},onChange:function(){t.canvas&&t.canvas.renderAll()},abort:function(){return t._abortCursorAnimation}})},100)}},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;t&&(this._abortCursorAnimation=!0,clearTimeout(this._cursorTimeout1),this._currentCursorOpacity=1,this.canvas&&this.canvas.renderAll()),this._cursorTimeout2&&clearTimeout(this._cursorTimeout2),this._cursorTimeout2=setTimeout(function(){e._abortCursorAnimation=!1,e._tick()},i)},abortCursorAnimation:function(){this._abortCursorAnimation=!0,clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,this.canvas&&this.canvas.renderAll();var t=this;setTimeout(function(){t._abortCursorAnimation=!1},10)},selectAll:function(){this.selectionStart=0,this.selectionEnd=this.text.length,this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getSelectedText:function(){return this.text.slice(this.selectionStart,this.selectionEnd)},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this.text.charAt(i)))for(;this._reSpace.test(this.text.charAt(i));)e++,i--;for(;/\S/.test(this.text.charAt(i))&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this.text.charAt(i)))for(;this._reSpace.test(this.text.charAt(i));)e++,i++;for(;/\S/.test(this.text.charAt(i))&&i<this.text.length;)e++,i++;return t+e},findLineBoundaryLeft:function(t){for(var e=0,i=t-1;!/\n/.test(this.text.charAt(i))&&i>-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this.text.charAt(i))&&i<this.text.length;)e++,i++;return t+e},getNumNewLinesInSelectedText:function(){for(var t=0,e=0,i=this.getSelectedText().split(""),r=i.length;e<r;e++)"\n"===i[e]&&t++;return t},searchWordBoundary:function(t,e){for(var i=this._reSpace.test(this.text.charAt(t))?t-1:t,r=this.text.charAt(i),s=/[ \n\.,;!\?\-]/;!s.test(r)&&i>0&&i<this.text.length;)i+=e,r=this.text.charAt(i);return s.test(r)&&"\n"!==r&&(i+=1===e?0:1),i},selectWord:function(t){var e=this.searchWordBoundary(t,-1),i=this.searchWordBoundary(t,1);this.setSelectionStart(e),this.setSelectionEnd(i),this.initDelayedCursor(!0)},selectLine:function(t){var e=this.findLineBoundaryLeft(t),i=this.findLineBoundaryRight(t);this.setSelectionStart(e),this.setSelectionEnd(i),this.initDelayedCursor(!0)},enterEditing:function(){if(!this.isEditing&&this.editable)return this.exitEditingOnOthers(),this.isEditing=!0,this.initHiddenTextarea(),this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._tick(),this.canvas&&this.canvas.renderAll(),this.fire("editing:entered"),this.canvas&&this.canvas.fire("text:editing:entered",{target:this}),this},exitEditingOnOthers:function(){fabric.IText.instances.forEach(function(t){t.selected=!1,t.isEditing&&t.exitEditing()},this)},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},_updateTextarea:function(){this.hiddenTextarea&&(this.hiddenTextarea.value=this.text,this.hiddenTextarea.selectionStart=this.selectionStart)},_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.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this.fire("editing:exited"),this.canvas&&this.canvas.fire("text:editing:exited",{target:this}),this},_removeExtraneousStyles:function(){var t=this.text.split(this._reNewline);for(var e in this.styles)t[e]||delete this.styles[e]},_removeCharsFromTo:function(t,e){for(var i=e;i!==t;){var r=this.get2DCursorLocation(i).charIndex;i--;var s=this.get2DCursorLocation(i).charIndex>r;s?this.removeStyleObject(s,i+1):this.removeStyleObject(0===this.get2DCursorLocation(i).charIndex,i)}this.text=this.text.slice(0,t)+this.text.slice(e)},insertChars:function(t){var e="\n"===this.text.slice(this.selectionStart,this.selectionStart+1);this.text=this.text.slice(0,this.selectionStart)+t+this.text.slice(this.selectionEnd),this.selectionStart===this.selectionEnd&&this.insertStyleObjects(t,e,this.copiedStyles),this.selectionStart+=t.length,this.selectionEnd=this.selectionStart,this.canvas&&this.canvas.renderAll().renderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},insertNewlineStyleObject:function(e,i,r){this.shiftLineStyles(e,1),this.styles[e+1]||(this.styles[e+1]={});var s=this.styles[e][i-1],n={};if(r)n[0]=t(s),this.styles[e+1]=n;else{for(var o in this.styles[e])parseInt(o,10)>=i&&(n[parseInt(o,10)-i]=this.styles[e][o],delete this.styles[e][o]);this.styles[e+1]=n}},insertCharStyleObject:function(e,i,r){var s=this.styles[e],n=t(s);for(var o in 0!==i||r||(i=1),n){var a=parseInt(o,10);a>=i&&(s[a+1]=n[a])}this.styles[e][i]=r||t(s[i-1])},insertStyleObjects:function(t,e,i){var r=this.get2DCursorLocation(),s=r.lineIndex,n=r.charIndex;this.styles[s]||(this.styles[s]={}),"\n"===t?this.insertNewlineStyleObject(s,n,e):i?this._insertStyles(i):this.insertCharStyleObject(s,n)},_insertStyles:function(t){for(var e=0,i=t.length;e<i;e++){var r=this.get2DCursorLocation(this.selectionStart+e),s=r.lineIndex,n=r.charIndex;this.insertCharStyleObject(s,n,t[e])}},shiftLineStyles:function(e,i){var r=t(this.styles);for(var s in this.styles){var n=parseInt(s,10);n>e&&(this.styles[n+i]=r[n])}},removeStyleObject:function(e,i){var r=this.get2DCursorLocation(i),s=r.lineIndex,n=r.charIndex;if(e){var o=this.text.split(this._reNewline)[s-1],a=o?o.length:0;for(n in this.styles[s-1]||(this.styles[s-1]={}),this.styles[s])this.styles[s-1][parseInt(n,10)+a]=this.styles[s][n];this.shiftLineStyles(s,-1)}else{var h=this.styles[s];if(h)delete h[n+(this.selectionStart===this.selectionEnd?-1:0)];var c=t(h);for(var l in c){var u=parseInt(l,10);u>=n&&0!==u&&(h[u-1]=c[u],delete h[u])}}},insertNewline:function(){this.insertChars("\n")}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(t){this.__newClickTime=+new Date;var e=this.canvas.getPointer(t.e);this.isTripleClick(e)?(this.fire("tripleclick",t),this._stopEvent(t.e)):this.isDoubleClick(e)&&(this.fire("dblclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isDoubleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y&&this.__lastIsEditing},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.initSelectedHandler(),this.initMousedownHandler(),this.initMousemoveHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("dblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},initMousedownHandler:function(){this.on("mousedown",function(t){var e=this.canvas.getPointer(t.e);this.__mousedownX=e.x,this.__mousedownY=e.y,this.__isMousedown=!0,this.hiddenTextarea&&this.canvas&&this.canvas.wrapperEl.appendChild(this.hiddenTextarea),this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.initDelayedCursor(!0))})},initMousemoveHandler:function(){this.on("mousemove",function(t){if(this.__isMousedown&&this.isEditing){var e=this.getSelectionStartFromPointer(t.e);e>=this.__selectionStartOnMouseDown?(this.setSelectionStart(this.__selectionStartOnMouseDown),this.setSelectionEnd(e)):(this.setSelectionStart(e),this.setSelectionEnd(this.__selectionStartOnMouseDown))}})},_isObjectMoved:function(t){var e=this.canvas.getPointer(t);return this.__mousedownX!==e.x||this.__mousedownY!==e.y},initMouseupHandler:function(){this.on("mouseup",function(t){this.__isMousedown=!1,this._isObjectMoved(t.e)||(this.__lastSelected&&(this.enterEditing(),this.initDelayedCursor(!0)),this.selected=!0)})},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t);t.shiftKey?e<this.selectionStart?(this.setSelectionEnd(this.selectionStart),this.setSelectionStart(e)):this.setSelectionEnd(e):(this.setSelectionStart(e),this.setSelectionEnd(e))},_getLocalRotatedPointer:function(t){var e=this.canvas.getPointer(t),i=new fabric.Point(e.x,e.y),r=new fabric.Point(this.left,this.top),s=fabric.util.rotatePoint(i,r,fabric.util.degreesToRadians(-this.angle));return this.getLocalPointer(t,s)},getSelectionStartFromPointer:function(t){for(var e=this._getLocalRotatedPointer(t),i=this.text.split(this._reNewline),r=0,s=0,n=0,o=0,a=0,h=i.length;a<h;a++){n+=this._getHeightOfLine(this.ctx,a)*this.scaleY;var c=this._getWidthOfLine(this.ctx,a,i);s=this._getLineLeftOffset(c)*this.scaleX,this.flipX&&(i[a]=i[a].split("").reverse().join(""));for(var l=0,u=i[a].length;l<u;l++){var f=i[a][l];if(r=s,s+=this._getWidthOfChar(this.ctx,f,a,this.flipX?u-l:l)*this.scaleX,!(n<=e.y||s<=e.x))return this._getNewSelectionStartFromOffset(e,r,s,o+a,u);o++}if(e.y<n)return this._getNewSelectionStartFromOffset(e,r,s,o+a,u)}return this.text.length},_getNewSelectionStartFromOffset:function(t,e,i,r,s){var n=t.x-e,o=r+(i-t.x>n?0:1);return this.flipX&&(o=s-o),o>this.text.length&&(o=this.text.length),o}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.style.cssText="position: fixed; bottom: 20px; left: 0px; opacity: 0; width: 0px; height: 0px; z-index: -999;",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keypress",this.onKeyPress.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},_keysMap:{8:"removeChars",9:"exitEditing",27:"exitEditing",13:"insertNewline",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown",46:"forwardDelete"},_ctrlKeysMap:{65:"selectAll",88:"cut"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){if(t.keyCode in this._keysMap)this[this._keysMap[t.keyCode]](t);else{if(!(t.keyCode in this._ctrlKeysMap&&(t.ctrlKey||t.metaKey)))return;this[this._ctrlKeysMap[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.renderAll()}},forwardDelete:function(t){this.selectionStart===this.selectionEnd&&this.moveCursorRight(t),this.removeChars(t)},copy:function(t){var e=this.getSelectedText(),i=this._getClipboardData(t);i&&i.setData("text",e),this.copiedText=e,this.copiedStyles=this.getSelectionStyles(this.selectionStart,this.selectionEnd)},paste:function(t){var e=null,i=this._getClipboardData(t);(e=i?i.getData("text"):this.copiedText)&&this.insertChars(e)},cut:function(t){this.selectionStart!==this.selectionEnd&&(this.copy(),this.removeChars(t))},_getClipboardData:function(t){return t&&(t.clipboardData||fabric.window.clipboardData)},onKeyPress:function(t){!this.isEditing||t.metaKey||t.ctrlKey||(0!==t.which&&this.insertChars(String.fromCharCode(t.which)),t.stopPropagation())},getDownCursorOffset:function(t,e){var i,r=e?this.selectionEnd:this.selectionStart,s=this.text.split(this._reNewline),n=this.text.slice(0,r),o=this.text.slice(r),a=n.slice(n.lastIndexOf("\n")+1),h=o.match(/(.*)\n?/)[1],c=(o.match(/.*\n(.*)\n?/)||{})[1]||"",l=this.get2DCursorLocation(r);if(l.lineIndex===s.length-1||t.metaKey||34===t.keyCode)return this.text.length-r;for(var u=this._getWidthOfLine(this.ctx,l.lineIndex,s),f=this._getLineLeftOffset(u),g=l.lineIndex,d=0,p=a.length;d<p;d++)i=a[d],f+=this._getWidthOfChar(this.ctx,i,g,d);var v=this._getIndexOnNextLine(l,c,f,s);return h.length+1+v},_getIndexOnNextLine:function(t,e,i,r){for(var s,n=t.lineIndex+1,o=this._getWidthOfLine(this.ctx,n,r),a=this._getLineLeftOffset(o),h=0,c=0,l=e.length;c<l;c++){var u=e[c],f=this._getWidthOfChar(this.ctx,u,n,c);if((a+=f)>i){s=!0;var g=a-f,d=a,p=Math.abs(g-i);h=Math.abs(d-i)<p?c+1:c;break}}return s||(h=e.length),h},moveCursorDown:function(t){this.abortCursorAnimation(),this._currentCursorOpacity=1;var e=this.getDownCursorOffset(t,"right"===this._selectionDirection);t.shiftKey?this.moveCursorDownWithShift(e):this.moveCursorDownWithoutShift(e),this.initDelayedCursor()},moveCursorDownWithoutShift:function(t){this._selectionDirection="right",this.selectionStart+=t,this.selectionStart>this.text.length&&(this.selectionStart=this.text.length),this.selectionEnd=this.selectionStart,this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},swapSelectionPoints:function(){var t=this.selectionEnd;this.selectionEnd=this.selectionStart,this.selectionStart=t},moveCursorDownWithShift:function(t){this.selectionEnd===this.selectionStart&&(this._selectionDirection="right"),this["right"===this._selectionDirection?"selectionEnd":"selectionStart"]+=t,this.selectionEnd<this.selectionStart&&"left"===this._selectionDirection&&(this.swapSelectionPoints(),this._selectionDirection="right"),this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length),this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getUpCursorOffset:function(t,e){var i=e?this.selectionEnd:this.selectionStart,r=this.get2DCursorLocation(i);if(0===r.lineIndex||t.metaKey||33===t.keyCode)return i;for(var s,n=this.text.slice(0,i),o=n.slice(n.lastIndexOf("\n")+1),a=(n.match(/\n?(.*)\n.*$/)||{})[1]||"",h=this.text.split(this._reNewline),c=this._getWidthOfLine(this.ctx,r.lineIndex,h),l=this._getLineLeftOffset(c),u=r.lineIndex,f=0,g=o.length;f<g;f++)s=o[f],l+=this._getWidthOfChar(this.ctx,s,u,f);var d=this._getIndexOnPrevLine(r,a,l,h);return a.length-d+o.length},_getIndexOnPrevLine:function(t,e,i,r){for(var s,n=t.lineIndex-1,o=this._getWidthOfLine(this.ctx,n,r),a=this._getLineLeftOffset(o),h=0,c=0,l=e.length;c<l;c++){var u=e[c],f=this._getWidthOfChar(this.ctx,u,n,c);if((a+=f)>i){s=!0;var g=a-f,d=a,p=Math.abs(g-i);h=Math.abs(d-i)<p?c:c-1;break}}return s||(h=e.length-1),h},moveCursorUp:function(t){this.abortCursorAnimation(),this._currentCursorOpacity=1;var e=this.getUpCursorOffset(t,"right"===this._selectionDirection);t.shiftKey?this.moveCursorUpWithShift(e):this.moveCursorUpWithoutShift(e),this.initDelayedCursor()},moveCursorUpWithShift:function(t){this.selectionEnd===this.selectionStart&&(this._selectionDirection="left"),this["right"===this._selectionDirection?"selectionEnd":"selectionStart"]-=t,this.selectionEnd<this.selectionStart&&"right"===this._selectionDirection&&(this.swapSelectionPoints(),this._selectionDirection="left"),this.selectionStart<0&&(this.selectionStart=0),this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},moveCursorUpWithoutShift:function(t){this.selectionStart===this.selectionEnd&&(this.selectionStart-=t),this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd=this.selectionStart,this._selectionDirection="left",this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||(this.abortCursorAnimation(),this._currentCursorOpacity=1,t.shiftKey?this.moveCursorLeftWithShift(t):this.moveCursorLeftWithoutShift(t),this.initDelayedCursor())},_move:function(t,e,i){t.altKey?this[e]=this["findWordBoundary"+i](this[e]):t.metaKey||35===t.keyCode||36===t.keyCode?this[e]=this["findLineBoundary"+i](this[e]):this[e]+="Left"===i?-1:1},_moveLeft:function(t,e){this._move(t,e,"Left")},_moveRight:function(t,e){this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){this._selectionDirection="left",this.selectionEnd===this.selectionStart&&this._moveLeft(t,"selectionStart"),this.selectionEnd=this.selectionStart,this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},moveCursorLeftWithShift:function(t){"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):(this._selectionDirection="left",this._moveLeft(t,"selectionStart"),"\n"===this.text.charAt(this.selectionStart)&&this.selectionStart--,this.selectionStart<0&&(this.selectionStart=0)),this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},moveCursorRight:function(t){this.selectionStart>=this.text.length&&this.selectionEnd>=this.text.length||(this.abortCursorAnimation(),this._currentCursorOpacity=1,t.shiftKey?this.moveCursorRightWithShift(t):this.moveCursorRightWithoutShift(t),this.initDelayedCursor())},moveCursorRightWithShift:function(t){"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):(this._selectionDirection="right",this._moveRight(t,"selectionEnd"),"\n"===this.text.charAt(this.selectionEnd-1)&&this.selectionEnd++,this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length)),this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},moveCursorRightWithoutShift:function(t){this._selectionDirection="right",this.selectionStart===this.selectionEnd?(this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):(this.selectionEnd+=this.getNumNewLinesInSelectedText(),this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length),this.selectionStart=this.selectionEnd),this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},removeChars:function(t){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(t):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.selectionEnd=this.selectionStart,this._removeExtraneousStyles(),this.canvas&&this.canvas.renderAll().renderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(t){if(0!==this.selectionStart)if(t.metaKey){var e=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(e,this.selectionStart),this.selectionStart=e}else if(t.altKey){var i=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(i,this.selectionStart),this.selectionStart=i}else{var r="\n"===this.text.slice(this.selectionStart-1,this.selectionStart);this.removeStyleObject(r),this.selectionStart--,this.text=this.text.slice(0,this.selectionStart)+this.text.slice(this.selectionStart+1)}}}),fabric.util.object.extend(fabric.IText.prototype,{_setSVGTextLineText:function(t,e,i,r,s,n){this.styles[e]?this._setSVGTextLineChars(t,e,i,r,s,n):this.callSuper("_setSVGTextLineText",t,e,i,r,s)},_setSVGTextLineChars:function(t,e,i,r,s,n){for(var o=0===e||this.useNative?"y":"dy",a=t.split(""),h=0,c=this._getSVGLineLeftOffset(e),l=this._getSVGLineTopOffset(e),u=this._getHeightOfLine(this.ctx,e),f=0,g=a.length;f<g;f++){var d=this.styles[e][f]||{};i.push(this._createTextCharSpan(a[f],d,c,l,o,h));var p=this._getWidthOfChar(this.ctx,a[f],e,f);d.textBackgroundColor&&n.push(this._createTextCharBg(d,c,l,u,p,h)),h+=p}},_getSVGLineLeftOffset:function(t){return this._boundaries&&this._boundaries[t]?fabric.util.toFixed(this._boundaries[t].left,2):0},_getSVGLineTopOffset:function(t){for(var e=0,i=0;i<=t;i++)e+=this._getHeightOfLine(this.ctx,i);return e-this.height/2},_createTextCharBg:function(t,e,i,r,s,n){return['<rect fill="',t.textBackgroundColor,'" transform="translate(',-this.width/2," ",-this.height+r,")",'" x="',e+n,'" y="',i+r,'" width="',s,'" height="',r,'"></rect>'].join("")},_createTextCharSpan:function(t,e,i,r,s,n){var o=this.getSvgStyles.call(fabric.util.object.extend({visible:!0,fill:this.fill,stroke:this.stroke,type:"text"},e));return['<tspan x="',i+n,'" ',s,'="',r,'" ',e.fontFamily?'font-family="'+e.fontFamily.replace(/"/g,"'")+'" ':"",e.fontSize?'font-size="'+e.fontSize+'" ':"",e.fontStyle?'font-style="'+e.fontStyle+'" ':"",e.fontWeight?'font-weight="'+e.fontWeight+'" ':"",e.textDecoration?'text-decoration="'+e.textDecoration+'" ':"",'style="',o,'">',fabric.util.string.escapeXml(t),"</tspan>"].join("")}}),function(){if("undefined"==typeof document||"undefined"==typeof window){var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require("canvas"),Image=require("canvas").Image;fabric.util.loadImage=function(t,e,i){function r(r){s.src=new Buffer(r,"binary"),s._src=t,e&&e.call(i,s)}var s=new Image;t&&(t instanceof Buffer||0===t.indexOf("data"))?(s.src=s._src=t,e&&e.call(i,s)):t&&0!==t.indexOf("http")?requestFs(t,r):t?request(t,"binary",r):e&&e.call(i,t)},fabric.loadSVGFromURL=function(t,e,i){0!==(t=t.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim()).indexOf("http")?requestFs(t,function(t){fabric.loadSVGFromString(t.toString(),e,i)}):request(t,"",function(t){fabric.loadSVGFromString(t,e,i)})},fabric.loadSVGFromString=function(t,e,i){var r=(new DOMParser).parseFromString(t);fabric.parseSVGDocument(r.documentElement,function(t,i){e&&e(t,i)},i)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.Image.fromObject=function(t,e){fabric.util.loadImage(t.src,function(i){var r=new fabric.Image(i);r._initConfig(t),r._initFilters(t,function(t){r.filters=t||[],e&&e(r)})})},fabric.createCanvasForNode=function(t,e,i,r){r=r||i;var s=fabric.document.createElement("canvas"),n=new Canvas(t||600,e||600,r);s.style={},s.width=n.width,s.height=n.height;var o=new(fabric.Canvas||fabric.StaticCanvas)(s,i);return o.contextContainer=n.getContext("2d"),o.nodeCanvas=n,o.Font=Canvas.Font,o},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){return this.nodeCanvas.createJPEGStream(t)};var origSetWidth=fabric.StaticCanvas.prototype.setWidth;fabric.StaticCanvas.prototype.setWidth=function(t,e){return origSetWidth.call(this,t,e),this.nodeCanvas.width=t,this},fabric.Canvas&&(fabric.Canvas.prototype.setWidth=fabric.StaticCanvas.prototype.setWidth);var origSetHeight=fabric.StaticCanvas.prototype.setHeight;fabric.StaticCanvas.prototype.setHeight=function(t,e){return origSetHeight.call(this,t,e),this.nodeCanvas.height=t,this},fabric.Canvas&&(fabric.Canvas.prototype.setHeight=fabric.StaticCanvas.prototype.setHeight)}function request(t,e,i){var r=URL.parse(t);r.port||(r.port=0===r.protocol.indexOf("https:")?443:80);var s=(443===r.port?HTTPS:HTTP).request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(t){var r="";e&&t.setEncoding(e),t.on("end",function(){i(r)}),t.on("data",function(e){200===t.statusCode&&(r+=e)})});s.on("error",function(t){t.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(t.message)}),s.end()}function requestFs(t,e){require("fs").readFile(t,function(t,i){if(t)throw fabric.log(t),t;e(i)})}}();