diff --git a/README.rst b/README.rst
index 023ecee..9280857 100644
--- a/README.rst
+++ b/README.rst
@@ -59,6 +59,11 @@ If you find any bugs or issues please log them in the `issue tracker`_.
 Changelog
 =========
 
+**0.0.2**
+
+- Improved load times with basic in-memory caching
+- Save Visualisation as PNG and SVG
+
 **0.0.1-alpha**
 
 - Build with webpack
diff --git a/dist/jd_viewers_bundle_0.0.2.min.js b/dist/jd_viewers_bundle_0.0.2.min.js
new file mode 100644
index 0000000..6089dbf
--- /dev/null
+++ b/dist/jd_viewers_bundle_0.0.2.min.js
@@ -0,0 +1,172 @@
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u,f=0,d=0,p=[],g=e(c-t,l-i,n,s,a,h,o),m=0,v=g.length;m<v;m++)u=r(f,d,g[m][0],g[m][1],g[m][2],g[m][3],g[m][4],g[m][5]),p.push({x:u[0].x+t,y:u[0].y+i}),p.push({x:u[1].x+t,y:u[1].y+i}),f=g[m][4],d=g[m][5];return p},C.util.getBoundsOfCurve=r}(),function(){var t=Array.prototype.slice;function e(t,e,i){if(t&&0!==t.length){var n=t.length-1,r=e?t[n][e]:t[n];if(e)for(;n--;)i(t[n][e],r)&&(r=t[n][e]);else for(;n--;)i(t[n],r)&&(r=t[n]);return r}}C.util.array={fill:function(t,e){for(var i=t.length;i--;)t[i]=e;return t},invoke:function(e,i){for(var n=t.call(arguments,2),r=[],s=0,o=e.length;s<o;s++)r[s]=n.length?e[s][i].apply(e[s],n):e[s][i].call(e[s]);return r},min:function(t,i){return e(t,i,(function(t,e){return t<e}))},max:function(t,i){return e(t,i,(function(t,e){return t>=e}))}}}(),function(){function t(e,i,n){if(n)if(!C.isLikelyNode&&i instanceof Element)e=i;else if(i instanceof Array){e=[];for(var r=0,s=i.length;r<s;r++)e[r]=t({},i[r],n)}else if(i&&"object"==typeof i)for(var o in i)"canvas"===o?e[o]=t({},i[o]):i.hasOwnProperty(o)&&(e[o]=t({},i[o],n));else e=i;else for(var o in i)e[o]=i[o];return e}C.util.object={extend:t,clone:function(e,i){return t({},e,i)}},C.util.object.extend(C.util,C.Observable)}(),function(){function t(t,e){var i=t.charCodeAt(e);if(isNaN(i))return"";if(i<55296||i>57343)return t.charAt(e);if(55296<=i&&i<=56319){if(t.length<=e+1)throw"High surrogate without following low surrogate";var n=t.charCodeAt(e+1);if(56320>n||n>57343)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var r=t.charCodeAt(e-1);if(55296>r||r>56319)throw"Low surrogate without preceding high surrogate";return!1}C.util.string={camelize:function(t){return t.replace(/-+(.)?/g,(function(t,e){return e?e.toUpperCase():""}))},capitalize:function(t,e){return t.charAt(0).toUpperCase()+(e?t.slice(1):t.slice(1).toLowerCase())},escapeXml:function(t){return t.replace(/&/g,"&amp;").replace(/"/g,"&quot;").replace(/'/g,"&apos;").replace(/</g,"&lt;").replace(/>/g,"&gt;")},graphemeSplit:function(e){var i,n=0,r=[];for(n=0;n<e.length;n++)!1!==(i=t(e,n))&&r.push(i);return r}}}(),function(){var t=Array.prototype.slice,e=function(){},i=function(){for(var t in{toString:1})if("toString"===t)return!1;return!0}(),n=function(t,e,n){for(var r in e)r in t.prototype&&"function"==typeof t.prototype[r]&&(e[r]+"").indexOf("callSuper")>-1?t.prototype[r]=function(t){return function(){var i=this.constructor.superclass;this.constructor.superclass=n;var r=e[t].apply(this,arguments);if(this.constructor.superclass=i,"initialize"!==t)return r}}(r):t.prototype[r]=e[r],i&&(e.toString!==Object.prototype.toString&&(t.prototype.toString=e.toString),e.valueOf!==Object.prototype.valueOf&&(t.prototype.valueOf=e.valueOf))};function r(){}function s(e){for(var i=null,n=this;n.constructor.superclass;){var r=n.constructor.superclass.prototype[e];if(n[e]!==r){i=r;break}n=n.constructor.superclass.prototype}return i?arguments.length>1?i.apply(this,t.call(arguments,1)):i.call(this):console.log("tried to callSuper "+e+", method not found in prototype chain",this)}C.util.createClass=function(){var i=null,o=t.call(arguments,0);function a(){this.initialize.apply(this,arguments)}"function"==typeof o[0]&&(i=o.shift()),a.superclass=i,a.subclasses=[],i&&(r.prototype=i.prototype,a.prototype=new r,i.subclasses.push(a));for(var h=0,c=o.length;h<c;h++)n(a,o[h],i);return a.prototype.initialize||(a.prototype.initialize=e),a.prototype.constructor=a,a.prototype.callSuper=s,a}}(),c=!!C.document.createElement("div").attachEvent,C.util.addListener=function(t,e,i,n){t&&t.addEventListener(e,i,!c&&n)},C.util.removeListener=function(t,e,i,n){t&&t.removeEventListener(e,i,!c&&n)},C.util.getPointer=function(t){var e=t.target,i=C.util.getScrollLeftTop(e),n=function(t){var e=t.changedTouches;return e&&e[0]?e[0]:t}(t);return{x:n.clientX+i.left,y:n.clientY+i.top}},l=C.document.createElement("div"),u="string"==typeof l.style.opacity,f="string"==typeof l.style.filter,d=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,p=function(t){return t},u?p=function(t,e){return t.style.opacity=e,t}:f&&(p=function(t,e){var i=t.style;return t.currentStyle&&!t.currentStyle.hasLayout&&(i.zoom=1),d.test(i.filter)?(e=e>=.9999?"":"alpha(opacity="+100*e+")",i.filter=i.filter.replace(d,e)):i.filter+=" alpha(opacity="+100*e+")",t}),C.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?p(t,e.match(/opacity:\s*(\d?\.?\d*)/)[1]):t;for(var n in e)"opacity"===n?p(t,e[n]):i["float"===n||"cssFloat"===n?void 0===i.styleFloat?"cssFloat":"styleFloat":n]=e[n];return t},function(){var t=Array.prototype.slice;var e,i,n,r,s=function(e){return t.call(e,0)};try{e=s(C.document.childNodes)instanceof Array}catch(t){}function o(t,e){var i=C.document.createElement(t);for(var n in e)"class"===n?i.className=e[n]:"for"===n?i.htmlFor=e[n]:i.setAttribute(n,e[n]);return i}function a(t){for(var e=0,i=0,n=C.document.documentElement,r=C.document.body||{scrollLeft:0,scrollTop:0};t&&(t.parentNode||t.host)&&((t=t.parentNode||t.host)===C.document?(e=r.scrollLeft||n.scrollLeft||0,i=r.scrollTop||n.scrollTop||0):(e+=t.scrollLeft||0,i+=t.scrollTop||0),1!==t.nodeType||"fixed"!==t.style.position););return{left:e,top:i}}e||(s=function(t){for(var e=new Array(t.length),i=t.length;i--;)e[i]=t[i];return e}),i=C.document.defaultView&&C.document.defaultView.getComputedStyle?function(t,e){var i=C.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},n=C.document.documentElement.style,r="userSelect"in n?"userSelect":"MozUserSelect"in n?"MozUserSelect":"WebkitUserSelect"in n?"WebkitUserSelect":"KhtmlUserSelect"in n?"KhtmlUserSelect":"",C.util.makeElementUnselectable=function(t){return void 0!==t.onselectstart&&(t.onselectstart=C.util.falseFunction),r?t.style[r]="none":"string"==typeof t.unselectable&&(t.unselectable="on"),t},C.util.makeElementSelectable=function(t){return void 0!==t.onselectstart&&(t.onselectstart=null),r?t.style[r]="":"string"==typeof t.unselectable&&(t.unselectable=""),t},C.util.getScript=function(t,e){var i=C.document.getElementsByTagName("head")[0],n=C.document.createElement("script"),r=!0;n.onload=n.onreadystatechange=function(t){if(r){if("string"==typeof this.readyState&&"loaded"!==this.readyState&&"complete"!==this.readyState)return;r=!1,e(t||C.window.event),n=n.onload=n.onreadystatechange=null}},n.src=t,i.appendChild(n)},C.util.getById=function(t){return"string"==typeof t?C.document.getElementById(t):t},C.util.toArray=s,C.util.makeElement=o,C.util.addClass=function(t,e){t&&-1===(" "+t.className+" ").indexOf(" "+e+" ")&&(t.className+=(t.className?" ":"")+e)},C.util.wrapElement=function(t,e,i){return"string"==typeof e&&(e=o(e,i)),t.parentNode&&t.parentNode.replaceChild(e,t),e.appendChild(t),e},C.util.getScrollLeftTop=a,C.util.getElementOffset=function(t){var e,n,r=t&&t.ownerDocument,s={left:0,top:0},o={left:0,top:0},h={borderLeftWidth:"left",borderTopWidth:"top",paddingLeft:"left",paddingTop:"top"};if(!r)return o;for(var c in h)o[h[c]]+=parseInt(i(t,c),10)||0;return e=r.documentElement,void 0!==t.getBoundingClientRect&&(s=t.getBoundingClientRect()),n=a(t),{left:s.left+n.left-(e.clientLeft||0)+o.left,top:s.top+n.top-(e.clientTop||0)+o.top}},C.util.getElementStyle=i,C.util.getNodeCanvas=function(t){var e=C.jsdomImplForWrapper(t);return e._canvas||e._image},C.util.cleanUpJsdomNode=function(t){if(C.isLikelyNode){var e=C.jsdomImplForWrapper(t);e&&(e._image=null,e._canvas=null,e._currentSrc=null,e._attributes=null,e._classList=null)}}}(),function(){function t(){}C.util.request=function(e,i){i||(i={});var n=i.method?i.method.toUpperCase():"GET",r=i.onComplete||function(){},s=new C.window.XMLHttpRequest,o=i.body||i.parameters;return s.onreadystatechange=function(){4===s.readyState&&(r(s),s.onreadystatechange=t)},"GET"===n&&(o=null,"string"==typeof i.parameters&&(e=function(t,e){return t+(/\?/.test(t)?"&":"?")+e}(e,i.parameters))),s.open(n,e,!0),"POST"!==n&&"PUT"!==n||s.setRequestHeader("Content-Type","application/x-www-form-urlencoded"),s.send(o),s}}(),C.log=console.log,C.warn=console.warn,function(){function t(){return!1}function e(t,e,i,n){return-i*Math.cos(t/n*(Math.PI/2))+i+e}var i=C.window.requestAnimationFrame||C.window.webkitRequestAnimationFrame||C.window.mozRequestAnimationFrame||C.window.oRequestAnimationFrame||C.window.msRequestAnimationFrame||function(t){return C.window.setTimeout(t,1e3/60)},n=C.window.cancelAnimationFrame||C.window.clearTimeout;function r(){return i.apply(C.window,arguments)}C.util.animate=function(i){r((function(n){i||(i={});var s,o=n||+new Date,a=i.duration||500,h=o+a,c=i.onChange||t,l=i.abort||t,u=i.onComplete||t,f=i.easing||e,d="startValue"in i?i.startValue:0,p="endValue"in i?i.endValue:100,g=i.byValue||p-d;i.onStart&&i.onStart(),function t(e){var i=(s=e||+new Date)>h?a:s-o,n=i/a,m=f(i,d,g,a),v=Math.abs((m-d)/g);if(!l())return s>h?(c(p,1,1),void u(p,1,1)):(c(m,v,n),void r(t));u(p,1,1)}(o)}))},C.util.requestAnimFrame=r,C.util.cancelAnimFrame=function(){return n.apply(C.window,arguments)}}(),C.util.animateColor=function(t,e,i,n){var r=new C.Color(t).getSource(),s=new C.Color(e).getSource();n=n||{},C.util.animate(C.util.object.extend(n,{duration:i||500,startValue:r,endValue:s,byValue:s,easing:function(t,e,i,r){var s,o,a,h,c=n.colorEasing?n.colorEasing(t,r):1-Math.cos(t/r*(Math.PI/2));return s=e,o=i,a=c,h="rgba("+parseInt(s[0]+a*(o[0]-s[0]),10)+","+parseInt(s[1]+a*(o[1]-s[1]),10)+","+parseInt(s[2]+a*(o[2]-s[2]),10),h+=","+(s&&o?parseFloat(s[3]+a*(o[3]-s[3])):1),h+=")"}}))},function(){function t(t,e,i,n){return t<Math.abs(e)?(t=e,n=i/4):n=0===e&&0===t?i/(2*Math.PI)*Math.asin(1):i/(2*Math.PI)*Math.asin(e/t),{a:t,c:e,p:i,s:n}}function e(t,e,i){return t.a*Math.pow(2,10*(e-=1))*Math.sin((e*i-t.s)*(2*Math.PI)/t.p)}function i(t,e,i,r){return i-n(r-t,0,i,r)+e}function n(t,e,i,n){return(t/=n)<1/2.75?i*(7.5625*t*t)+e:t<2/2.75?i*(7.5625*(t-=1.5/2.75)*t+.75)+e:t<2.5/2.75?i*(7.5625*(t-=2.25/2.75)*t+.9375)+e:i*(7.5625*(t-=2.625/2.75)*t+.984375)+e}C.util.ease={easeInQuad:function(t,e,i,n){return i*(t/=n)*t+e},easeOutQuad:function(t,e,i,n){return-i*(t/=n)*(t-2)+e},easeInOutQuad:function(t,e,i,n){return(t/=n/2)<1?i/2*t*t+e:-i/2*(--t*(t-2)-1)+e},easeInCubic:function(t,e,i,n){return i*(t/=n)*t*t+e},easeOutCubic:function(t,e,i,n){return i*((t=t/n-1)*t*t+1)+e},easeInOutCubic:function(t,e,i,n){return(t/=n/2)<1?i/2*t*t*t+e:i/2*((t-=2)*t*t+2)+e},easeInQuart:function(t,e,i,n){return i*(t/=n)*t*t*t+e},easeOutQuart:function(t,e,i,n){return-i*((t=t/n-1)*t*t*t-1)+e},easeInOutQuart:function(t,e,i,n){return(t/=n/2)<1?i/2*t*t*t*t+e:-i/2*((t-=2)*t*t*t-2)+e},easeInQuint:function(t,e,i,n){return i*(t/=n)*t*t*t*t+e},easeOutQuint:function(t,e,i,n){return i*((t=t/n-1)*t*t*t*t+1)+e},easeInOutQuint:function(t,e,i,n){return(t/=n/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,n){return-i*Math.cos(t/n*(Math.PI/2))+i+e},easeOutSine:function(t,e,i,n){return i*Math.sin(t/n*(Math.PI/2))+e},easeInOutSine:function(t,e,i,n){return-i/2*(Math.cos(Math.PI*t/n)-1)+e},easeInExpo:function(t,e,i,n){return 0===t?e:i*Math.pow(2,10*(t/n-1))+e},easeOutExpo:function(t,e,i,n){return t===n?e+i:i*(1-Math.pow(2,-10*t/n))+e},easeInOutExpo:function(t,e,i,n){return 0===t?e:t===n?e+i:(t/=n/2)<1?i/2*Math.pow(2,10*(t-1))+e:i/2*(2-Math.pow(2,-10*--t))+e},easeInCirc:function(t,e,i,n){return-i*(Math.sqrt(1-(t/=n)*t)-1)+e},easeOutCirc:function(t,e,i,n){return i*Math.sqrt(1-(t=t/n-1)*t)+e},easeInOutCirc:function(t,e,i,n){return(t/=n/2)<1?-i/2*(Math.sqrt(1-t*t)-1)+e:i/2*(Math.sqrt(1-(t-=2)*t)+1)+e},easeInElastic:function(i,n,r,s){var o=0;return 0===i?n:1===(i/=s)?n+r:(o||(o=.3*s),-e(t(r,r,o,1.70158),i,s)+n)},easeOutElastic:function(e,i,n,r){var s=0;if(0===e)return i;if(1===(e/=r))return i+n;s||(s=.3*r);var o=t(n,n,s,1.70158);return o.a*Math.pow(2,-10*e)*Math.sin((e*r-o.s)*(2*Math.PI)/o.p)+o.c+i},easeInOutElastic:function(i,n,r,s){var o=0;if(0===i)return n;if(2===(i/=s/2))return n+r;o||(o=s*(.3*1.5));var a=t(r,r,o,1.70158);return i<1?-.5*e(a,i,s)+n:a.a*Math.pow(2,-10*(i-=1))*Math.sin((i*s-a.s)*(2*Math.PI)/a.p)*.5+a.c+n},easeInBack:function(t,e,i,n,r){return void 0===r&&(r=1.70158),i*(t/=n)*t*((r+1)*t-r)+e},easeOutBack:function(t,e,i,n,r){return void 0===r&&(r=1.70158),i*((t=t/n-1)*t*((r+1)*t+r)+1)+e},easeInOutBack:function(t,e,i,n,r){return void 0===r&&(r=1.70158),(t/=n/2)<1?i/2*(t*t*((1+(r*=1.525))*t-r))+e:i/2*((t-=2)*t*((1+(r*=1.525))*t+r)+2)+e},easeInBounce:i,easeOutBounce:n,easeInOutBounce:function(t,e,r,s){return t<s/2?.5*i(2*t,0,r,s)+e:.5*n(2*t-s,0,r,s)+.5*r+e}}}(),function(t){"use strict";var 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i(this.x+(t.x-this.x)*e,this.y+(t.y-this.y)*e)},distanceFrom:function(t){var e=this.x-t.x,i=this.y-t.y;return Math.sqrt(e*e+i*i)},midPointFrom:function(t){return this.lerp(t)},min:function(t){return new i(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new i(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new i(this.x,this.y)}})}(e),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={constructor:i,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},e.Intersection.intersectLineLine=function(t,n,r,s){var o,a=(s.x-r.x)*(t.y-r.y)-(s.y-r.y)*(t.x-r.x),h=(n.x-t.x)*(t.y-r.y)-(n.y-t.y)*(t.x-r.x),c=(s.y-r.y)*(n.x-t.x)-(s.x-r.x)*(n.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")).appendPoint(new e.Point(t.x+l*(n.x-t.x),t.y+l*(n.y-t.y))):o=new i}else o=new i(0===a||0===h?"Coincident":"Parallel");return o},e.Intersection.intersectLinePolygon=function(t,e,n){var r,s,o,a,h=new i,c=n.length;for(a=0;a<c;a++)r=n[a],s=n[(a+1)%c],o=i.intersectLineLine(t,e,r,s),h.appendPoints(o.points);return h.points.length>0&&(h.status="Intersection"),h},e.Intersection.intersectPolygonPolygon=function(t,e){var n,r=new i,s=t.length;for(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,n,r){var s=n.min(r),o=n.max(r),a=new e.Point(o.x,s.y),h=new e.Point(s.x,o.y),c=i.intersectLinePolygon(s,a,t),l=i.intersectLinePolygon(a,o,t),u=i.intersectLinePolygon(o,h,t),f=i.intersectLinePolygon(h,s,t),d=new i;return d.appendPoints(c.points),d.appendPoints(l.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={});function i(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function n(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=[255,255,255,0]),e||(e=i.sourceFromHex(t)),e||(e=i.sourceFromRgb(t)),e||(e=i.sourceFromHsl(t)),e||(e=[0,0,0,1]),e&&this.setSource(e)},_rgbToHsl:function(t,i,n){t/=255,i/=255,n/=255;var r,s,o,a=e.util.array.max([t,i,n]),h=e.util.array.min([t,i,n]);if(o=(a+h)/2,a===h)r=s=0;else{var c=a-h;switch(s=o>.5?c/(2-a-h):c/(a+h),a){case t:r=(i-n)/c+(i<n?6:0);break;case i:r=(n-t)/c+2;break;case n:r=(t-i)/c+4}r/=6}return[Math.round(360*r),Math.round(100*s),Math.round(100*o)]},getSource:function(){return this._source},setSource:function(t){this._source=t},toRgb:function(){var t=this.getSource();return"rgb("+t[0]+","+t[1]+","+t[2]+")"},toRgba:function(){var t=this.getSource();return"rgba("+t[0]+","+t[1]+","+t[2]+","+t[3]+")"},toHsl:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsl("+e[0]+","+e[1]+"%,"+e[2]+"%)"},toHsla:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsla("+e[0]+","+e[1]+"%,"+e[2]+"%,"+t[3]+")"},toHex:function(){var t,e,i,n=this.getSource();return t=1===(t=n[0].toString(16)).length?"0"+t:t,e=1===(e=n[1].toString(16)).length?"0"+e:e,i=1===(i=n[2].toString(16)).length?"0"+i:i,t.toUpperCase()+e.toUpperCase()+i.toUpperCase()},toHexa:function(){var t,e=this.getSource();return t=1===(t=(t=Math.round(255*e[3])).toString(16)).length?"0"+t:t,this.toHex()+t.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(t){var e=this.getSource();return e[3]=t,this.setSource(e),this},toGrayscale:function(){var t=this.getSource(),e=parseInt((.3*t[0]+.59*t[1]+.11*t[2]).toFixed(0),10),i=t[3];return this.setSource([e,e,e,i]),this},toBlackWhite:function(t){var e=this.getSource(),i=(.3*e[0]+.59*e[1]+.11*e[2]).toFixed(0),n=e[3];return t=t||127,i=Number(i)<Number(t)?0:255,this.setSource([i,i,i,n]),this},overlayWith:function(t){t instanceof i||(t=new i(t));var e,n=[],r=this.getAlpha(),s=this.getSource(),o=t.getSource();for(e=0;e<3;e++)n.push(Math.round(.5*s[e]+.5*o[e]));return n[3]=r,this.setSource(n),this}},e.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/i,e.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/i,e.Color.reHex=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i,e.Color.colorNameMap={aliceblue:"#F0F8FF",antiquewhite:"#FAEBD7",aqua:"#00FFFF",aquamarine:"#7FFFD4",azure:"#F0FFFF",beige:"#F5F5DC",bisque:"#FFE4C4",black:"#000000",blanchedalmond:"#FFEBCD",blue:"#0000FF",blueviolet:"#8A2BE2",brown:"#A52A2A",burlywood:"#DEB887",cadetblue:"#5F9EA0",chartreuse:"#7FFF00",chocolate:"#D2691E",coral:"#FF7F50",cornflowerblue:"#6495ED",cornsilk:"#FFF8DC",crimson:"#DC143C",cyan:"#00FFFF",darkblue:"#00008B",darkcyan:"#008B8B",darkgoldenrod:"#B8860B",darkgray:"#A9A9A9",darkgrey:"#A9A9A9",darkgreen:"#006400",darkkhaki:"#BDB76B",darkmagenta:"#8B008B",darkolivegreen:"#556B2F",darkorange:"#FF8C00",darkorchid:"#9932CC",darkred:"#8B0000",darksalmon:"#E9967A",darkseagreen:"#8FBC8F",darkslateblue:"#483D8B",darkslategray:"#2F4F4F",darkslategrey:"#2F4F4F",darkturquoise:"#00CED1",darkviolet:"#9400D3",deeppink:"#FF1493",deepskyblue:"#00BFFF",dimgray:"#696969",dimgrey:"#696969",dodgerblue:"#1E90FF",firebrick:"#B22222",floralwhite:"#FFFAF0",forestgreen:"#228B22",fuchsia:"#FF00FF",gainsboro:"#DCDCDC",ghostwhite:"#F8F8FF",gold:"#FFD700",goldenrod:"#DAA520",gray:"#808080",grey:"#808080",green:"#008000",greenyellow:"#ADFF2F",honeydew:"#F0FFF0",hotpink:"#FF69B4",indianred:"#CD5C5C",indigo:"#4B0082",ivory:"#FFFFF0",khaki:"#F0E68C",lavender:"#E6E6FA",lavenderblush:"#FFF0F5",lawngreen:"#7CFC00",lemonchiffon:"#FFFACD",lightblue:"#ADD8E6",lightcoral:"#F08080",lightcyan:"#E0FFFF",lightgoldenrodyellow:"#FAFAD2",lightgray:"#D3D3D3",lightgrey:"#D3D3D3",lightgreen:"#90EE90",lightpink:"#FFB6C1",lightsalmon:"#FFA07A",lightseagreen:"#20B2AA",lightskyblue:"#87CEFA",lightslategray:"#778899",lightslategrey:"#778899",lightsteelblue:"#B0C4DE",lightyellow:"#FFFFE0",lime:"#00FF00",limegreen:"#32CD32",linen:"#FAF0E6",magenta:"#FF00FF",maroon:"#800000",mediumaquamarine:"#66CDAA",mediumblue:"#0000CD",mediumorchid:"#BA55D3",mediumpurple:"#9370DB",mediumseagreen:"#3CB371",mediumslateblue:"#7B68EE",mediumspringgreen:"#00FA9A",mediumturquoise:"#48D1CC",mediumvioletred:"#C71585",midnightblue:"#191970",mintcream:"#F5FFFA",mistyrose:"#FFE4E1",moccasin:"#FFE4B5",navajowhite:"#FFDEAD",navy:"#000080",oldlace:"#FDF5E6",olive:"#808000",olivedrab:"#6B8E23",orange:"#FFA500",orangered:"#FF4500",orchid:"#DA70D6",palegoldenrod:"#EEE8AA",palegreen:"#98FB98",paleturquoise:"#AFEEEE",palevioletred:"#DB7093",papayawhip:"#FFEFD5",peachpuff:"#FFDAB9",peru:"#CD853F",pink:"#FFC0CB",plum:"#DDA0DD",powderblue:"#B0E0E6",purple:"#800080",rebeccapurple:"#663399",red:"#FF0000",rosybrown:"#BC8F8F",royalblue:"#4169E1",saddlebrown:"#8B4513",salmon:"#FA8072",sandybrown:"#F4A460",seagreen:"#2E8B57",seashell:"#FFF5EE",sienna:"#A0522D",silver:"#C0C0C0",skyblue:"#87CEEB",slateblue:"#6A5ACD",slategray:"#708090",slategrey:"#708090",snow:"#FFFAFA",springgreen:"#00FF7F",steelblue:"#4682B4",tan:"#D2B48C",teal:"#008080",thistle:"#D8BFD8",tomato:"#FF6347",turquoise:"#40E0D0",violet:"#EE82EE",wheat:"#F5DEB3",white:"#FFFFFF",whitesmoke:"#F5F5F5",yellow:"#FFFF00",yellowgreen:"#9ACD32"},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 n=parseInt(e[1],10)/(/%$/.test(e[1])?100:1)*(/%$/.test(e[1])?255:1),r=parseInt(e[2],10)/(/%$/.test(e[2])?100:1)*(/%$/.test(e[2])?255:1),s=parseInt(e[3],10)/(/%$/.test(e[3])?100:1)*(/%$/.test(e[3])?255:1);return[parseInt(n,10),parseInt(r,10),parseInt(s,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 r,s,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)r=s=o=c;else{var l=c<=.5?c*(h+1):c+h-c*h,u=2*c-l;r=n(u,l,a+1/3),s=n(u,l,a),o=n(u,l,a-1/3)}return[Math.round(255*r),Math.round(255*s),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),n=3===e.length||4===e.length,r=8===e.length||4===e.length,s=n?e.charAt(0)+e.charAt(0):e.substring(0,2),o=n?e.charAt(1)+e.charAt(1):e.substring(2,4),a=n?e.charAt(2)+e.charAt(2):e.substring(4,6),h=r?n?e.charAt(3)+e.charAt(3):e.substring(6,8):"FF";return[parseInt(s,16),parseInt(o,16),parseInt(a,16),parseFloat((parseInt(h,16)/255).toFixed(2))]}},e.Color.fromSource=function(t){var e=new i;return e.setSource(t),e})}(e),function(){function t(t,e){var i,n,r,s,o=t.getAttribute("style"),a=t.getAttribute("offset")||0;if(a=(a=parseFloat(a)/(/%$/.test(a)?100:1))<0?0:a>1?1:a,o){var h=o.split(/\s*;\s*/);for(""===h[h.length-1]&&h.pop(),s=h.length;s--;){var c=h[s].split(/\s*:\s*/),l=c[0].trim(),u=c[1].trim();"stop-color"===l?i=u:"stop-opacity"===l&&(r=u)}}return i||(i=t.getAttribute("stop-color")||"rgb(0,0,0)"),r||(r=t.getAttribute("stop-opacity")),n=(i=new C.Color(i)).getAlpha(),r=isNaN(parseFloat(r))?1:parseFloat(r),r*=n*e,{offset:a,color:i.toRgb(),opacity:r}}var e=C.util.object.clone;function i(t,e,i,n){var r,s;Object.keys(e).forEach((function(t){"Infinity"===(r=e[t])?s=1:"-Infinity"===r?s=0:(s=parseFloat(e[t],10),"string"==typeof r&&/^(\d+\.\d+)%|(\d+)%$/.test(r)&&(s*=.01,"pixels"===n&&("x1"!==t&&"x2"!==t&&"r2"!==t||(s*=i.viewBoxWidth||i.width),"y1"!==t&&"y2"!==t||(s*=i.viewBoxHeight||i.height)))),e[t]=s}))}C.Gradient=C.util.createClass({offsetX:0,offsetY:0,gradientTransform:null,gradientUnits:"pixels",type:"linear",initialize:function(t){t||(t={}),t.coords||(t.coords={});var e,i=this;Object.keys(t).forEach((function(e){i[e]=t[e]})),this.id?this.id+="_"+C.Object.__uid++:this.id=C.Object.__uid++,e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice()},addColorStop:function(t){for(var e in t){var i=new C.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientUnits:this.gradientUnits,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return C.util.populateWithProperties(this,e,t),e},toSVG:function(t,i){var n,r,s,o,a=e(this.coords,!0),h=(i=i||{},e(this.colorStops,!0)),c=a.r1>a.r2,l=this.gradientTransform?this.gradientTransform.concat():C.iMatrix.concat(),u=-this.offsetX,f=-this.offsetY,d=!!i.additionalTransform,p="pixels"===this.gradientUnits?"userSpaceOnUse":"objectBoundingBox";if(h.sort((function(t,e){return t.offset-e.offset})),"objectBoundingBox"===p?(u/=t.width,f/=t.height):(u+=t.width/2,f+=t.height/2),"path"===t.type&&(u-=t.pathOffset.x,f-=t.pathOffset.y),l[4]-=u,l[5]-=f,o='id="SVGID_'+this.id+'" gradientUnits="'+p+'"',o+=' gradientTransform="'+(d?i.additionalTransform+" ":"")+C.util.matrixToSVG(l)+'" ',"linear"===this.type?s=["<linearGradient ",o,' x1="',a.x1,'" y1="',a.y1,'" x2="',a.x2,'" y2="',a.y2,'">\n']:"radial"===this.type&&(s=["<radialGradient ",o,' cx="',c?a.x1:a.x2,'" cy="',c?a.y1:a.y2,'" r="',c?a.r1:a.r2,'" fx="',c?a.x2:a.x1,'" fy="',c?a.y2:a.y1,'">\n']),"radial"===this.type){if(c)for((h=h.concat()).reverse(),n=0,r=h.length;n<r;n++)h[n].offset=1-h[n].offset;var g=Math.min(a.r1,a.r2);if(g>0){var m=g/Math.max(a.r1,a.r2);for(n=0,r=h.length;n<r;n++)h[n].offset+=m*(1-h[n].offset)}}for(n=0,r=h.length;n<r;n++){var v=h[n];s.push("<stop ",'offset="',100*v.offset+"%",'" style="stop-color:',v.color,void 0!==v.opacity?";stop-opacity: "+v.opacity:";",'"/>\n')}return s.push("linear"===this.type?"</linearGradient>\n":"</radialGradient>\n"),s.join("")},toLive:function(t,e){var i,n,r,s=C.util.object.clone(this.coords),o=s.x1,a=s.y1,h=s.x2,c=s.y2,l=this.colorStops;if(this.type){for(e instanceof C.Text&&"percentage"===this.gradientUnits&&(o*=e.width,a*=e.height,h*=e.width,c*=e.height),"linear"===this.type?i=t.createLinearGradient(o,a,h,c):"radial"===this.type&&(i=t.createRadialGradient(o,a,s.r1,h,c,s.r2)),n=0,r=l.length;n<r;n++){var u=l[n].color,f=l[n].opacity,d=l[n].offset;void 0!==f&&(u=new C.Color(u).setAlpha(f).toRgba()),i.addColorStop(d,u)}return i}}}),C.util.object.extend(C.Gradient,{fromElement:function(e,n,r,s){var o=parseFloat(r)/(/%$/.test(r)?100:1);o=o<0?0:o>1?1:o,isNaN(o)&&(o=1);var a,h,c,l,u=e.getElementsByTagName("stop"),f="userSpaceOnUse"===e.getAttribute("gradientUnits")?"pixels":"percentage",d=e.getAttribute("gradientTransform")||"",p=[],g=0,m=0;for("linearGradient"===e.nodeName||"LINEARGRADIENT"===e.nodeName?(a="linear",h=function(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}(e)):(a="radial",h=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%"}}(e)),c=u.length;c--;)p.push(t(u[c],o));return l=C.parseTransformAttribute(d),i(n,h,s,f),"pixels"===f&&(g=-n.left,m=-n.top),new C.Gradient({id:e.getAttribute("id"),type:a,coords:h,colorStops:p,gradientUnits:f,gradientTransform:l,offsetX:g,offsetY:m})},forObject:function(t,e){return e||(e={}),i(t,e.coords,e.gradientUnits,{viewBoxWidth:100,viewBoxHeight:100}),new C.Gradient(e)}})}(),function(){"use strict";var t=C.util.toFixed;C.Pattern=C.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,crossOrigin:"",patternTransform:null,initialize:function(t,e){if(t||(t={}),this.id=C.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!=typeof t.source)e&&e(this);else if(void 0!==C.util.getFunctionBody(t.source))this.source=new Function(C.util.getFunctionBody(t.source)),e&&e(this);else{var i=this;this.source=C.util.createImage(),C.util.loadImage(t.source,(function(t){i.source=t,e&&e(i)}),null,this.crossOrigin)}},toObject:function(e){var i,n,r=C.Object.NUM_FRACTION_DIGITS;return"function"==typeof this.source?i=String(this.source):"string"==typeof this.source.src?i=this.source.src:"object"==typeof this.source&&this.source.toDataURL&&(i=this.source.toDataURL()),n={type:"pattern",source:i,repeat:this.repeat,crossOrigin:this.crossOrigin,offsetX:t(this.offsetX,r),offsetY:t(this.offsetY,r),patternTransform:this.patternTransform?this.patternTransform.concat():null},C.util.populateWithProperties(this,n,e),n},toSVG:function(t){var e="function"==typeof this.source?this.source():this.source,i=e.width/t.width,n=e.height/t.height,r=this.offsetX/t.width,s=this.offsetY/t.height,o="";return"repeat-x"!==this.repeat&&"no-repeat"!==this.repeat||(n=1,s&&(n+=Math.abs(s))),"repeat-y"!==this.repeat&&"no-repeat"!==this.repeat||(i=1,r&&(i+=Math.abs(r))),e.src?o=e.src:e.toDataURL&&(o=e.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+r+'" y="'+s+'" width="'+i+'" height="'+n+'">\n<image x="0" y="0" width="'+e.width+'" height="'+e.height+'" xlink:href="'+o+'"></image>\n</pattern>\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e="function"==typeof this.source?this.source():this.source;if(!e)return"";if(void 0!==e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;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,nonScaling:!1,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(),n=e.Shadow.reOffsetsAndBlur.exec(i)||[];return{color:(i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)").trim(),offsetX:parseInt(n[1],10)||0,offsetY:parseInt(n[2],10)||0,blur:parseInt(n[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var n=40,r=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=new e.Color(this.color);return t.width&&t.height&&(n=100*i((Math.abs(o.x)+this.blur)/t.width,s)+20,r=100*i((Math.abs(o.y)+this.blur)/t.height,s)+20),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'<filter id="SVGID_'+this.id+'" y="-'+r+'%" height="'+(100+2*r)+'%" x="-'+n+'%" width="'+(100+2*n)+'%" >\n\t<feGaussianBlur in="SourceAlpha" stdDeviation="'+i(this.blur?this.blur/2:0,s)+'"></feGaussianBlur>\n\t<feOffset dx="'+i(o.x,s)+'" dy="'+i(o.y,s)+'" result="oBlur" ></feOffset>\n\t<feFlood flood-color="'+a.toRgb()+'" flood-opacity="'+a.getAlpha()+'"/>\n\t<feComposite in2="oBlur" operator="in" />\n\t<feMerge>\n\t\t<feMergeNode></feMergeNode>\n\t\t<feMergeNode in="SourceGraphic"></feMergeNode>\n\t</feMerge>\n</filter>\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke,nonScaling:this.nonScaling};var t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke","nonScaling"].forEach((function(e){this[e]!==i[e]&&(t[e]=this[e])}),this),t}}),e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/)}(e),function(){"use strict";if(C.StaticCanvas)C.warn("fabric.StaticCanvas is already defined.");else{var t=C.util.object.extend,e=C.util.getElementOffset,i=C.util.removeFromArray,n=C.util.toFixed,r=C.util.transformPoint,s=C.util.invertTransform,o=C.util.getNodeCanvas,a=C.util.createCanvasElement,h=new Error("Could not initialize `canvas` element");C.StaticCanvas=C.util.createClass(C.CommonMethods,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:C.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,clipPath:void 0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==C.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?C.devicePixelRatio:1},_initRetinaScaling:function(){if(this._isRetinaScaling()){var t=C.devicePixelRatio;this.__initRetinaScaling(t,this.lowerCanvasEl,this.contextContainer),this.upperCanvasEl&&this.__initRetinaScaling(t,this.upperCanvasEl,this.contextTop)}},__initRetinaScaling:function(t,e,i){e.setAttribute("width",this.width*t),e.setAttribute("height",this.height*t),i.scale(t,t)},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,n){return"string"==typeof e?C.util.loadImage(e,(function(e){if(e){var r=new C.Image(e,n);this[t]=r,r.canvas=this}i&&i(e)}),this,n&&n.crossOrigin):(n&&e.setOptions(n),this[t]=e,e&&(e.canvas=this),i&&i(e)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(){var t=a();if(!t)throw h;if(t.style||(t.style={}),void 0===t.getContext)throw h;return t},_initOptions:function(t){var e=this.lowerCanvasEl;this._setOptions(t),this.width=this.width||parseInt(e.width,10)||0,this.height=this.height||parseInt(e.height,10)||0,this.lowerCanvasEl.style&&(e.width=this.width,e.height=this.height,e.style.width=this.width+"px",e.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){t&&t.getContext?this.lowerCanvasEl=t:this.lowerCanvasEl=C.util.getById(t)||this._createCanvasElement(),C.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 n in e=e||{},t)i=t[n],e.cssOnly||(this._setBackstoreDimension(n,t[n]),i+="px",this.hasLostContext=!0),e.backstoreOnly||this._setCssDimension(n,i);return this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles(),this._initRetinaScaling(),this._setImageSmoothing(),this.calcOffset(),e.cssOnly||this.requestRenderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i,n,r=this._activeObject;for(this.viewportTransform=t,i=0,n=this._objects.length;i<n;i++)(e=this._objects[i]).group||e.setCoords(!1,!0);return r&&"activeSelection"===r.type&&r.setCoords(!1,!0),this.calcViewportBoundaries(),this.renderOnAddRemove&&this.requestRenderAll(),this},zoomToPoint:function(t,e){var i=t,n=this.viewportTransform.slice(0);t=r(t,s(this.viewportTransform)),n[0]=e,n[3]=e;var o=r(t,n);return n[4]+=i.x-o.x,n[5]+=i.y-o.y,this.setViewportTransform(n)},setZoom:function(t){return this.zoomToPoint(new C.Point(0,0),t),this},absolutePan:function(t){var e=this.viewportTransform.slice(0);return e[4]=-t.x,e[5]=-t.y,this.setViewportTransform(e)},relativePan:function(t){return this.absolutePan(new C.Point(-t.x-this.viewportTransform[4],-t.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},_onObjectAdded:function(t){this.stateful&&t.setupState(),t._set("canvas",this),t.setCoords(),this.fire("object:added",{target:t}),t.fire("added")},_onObjectRemoved:function(t){this.fire("object:removed",{target:t}),t.fire("removed"),delete t.canvas},clearContext:function(t){return t.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.backgroundImage=null,this.overlayImage=null,this.backgroundColor="",this.overlayColor="",this._hasITextHandlers&&(this.off("mouse:up",this._mouseUpITextHandler),this._iTextInstances=null,this._hasITextHandlers=!1),this.clearContext(this.contextContainer),this.fire("canvas:cleared"),this.renderOnAddRemove&&this.requestRenderAll(),this},renderAll:function(){var t=this.contextContainer;return this.renderCanvas(t,this._objects),this},renderAndReset:function(){this.isRendering=0,this.renderAll()},requestRenderAll:function(){return this.isRendering||(this.isRendering=C.util.requestAnimFrame(this.renderAndResetBound)),this},calcViewportBoundaries:function(){var t={},e=this.width,i=this.height,n=s(this.viewportTransform);return t.tl=r({x:0,y:0},n),t.br=r({x:e,y:i},n),t.tr=new C.Point(t.br.x,t.tl.y),t.bl=new C.Point(t.tl.x,t.br.y),this.vptCoords=t,t},cancelRequestedRender:function(){this.isRendering&&(C.util.cancelAnimFrame(this.isRendering),this.isRendering=0)},renderCanvas:function(t,e){var i=this.viewportTransform,n=this.clipPath;this.cancelRequestedRender(),this.calcViewportBoundaries(),this.clearContext(t),this.fire("before:render",{ctx:t}),this.clipTo&&C.util.clipContext(this,t),this._renderBackground(t),t.save(),t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this._renderObjects(t,e),t.restore(),!this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.clipTo&&t.restore(),n&&(n.canvas=this,n.shouldCache(),n._transformDone=!0,n.renderCache({forClipping:!0}),this.drawClipPathOnCanvas(t)),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render",{ctx:t})},drawClipPathOnCanvas:function(t){var e=this.viewportTransform,i=this.clipPath;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.globalCompositeOperation="destination-in",i.transform(t),t.scale(1/i.zoomX,1/i.zoomY),t.drawImage(i._cacheCanvas,-i.cacheTranslationX,-i.cacheTranslationY),t.restore()},_renderObjects:function(t,e){var i,n;for(i=0,n=e.length;i<n;++i)e[i]&&e[i].render(t)},_renderBackgroundOrOverlay:function(t,e){var i=this[e+"Color"],n=this[e+"Image"],r=this.viewportTransform,s=this[e+"Vpt"];if(i||n){if(i){t.save(),t.beginPath(),t.moveTo(0,0),t.lineTo(this.width,0),t.lineTo(this.width,this.height),t.lineTo(0,this.height),t.closePath(),t.fillStyle=i.toLive?i.toLive(t,this):i,s&&t.transform(r[0],r[1],r[2],r[3],r[4],r[5]),t.transform(1,0,0,1,i.offsetX||0,i.offsetY||0);var o=i.gradientTransform||i.patternTransform;o&&t.transform(o[0],o[1],o[2],o[3],o[4],o[5]),t.fill(),t.restore()}n&&(t.save(),s&&t.transform(r[0],r[1],r[2],r[3],r[4],r[5]),n.render(t),t.restore())}},_renderBackground:function(t){this._renderBackgroundOrOverlay(t,"background")},_renderOverlay:function(t){this._renderBackgroundOrOverlay(t,"overlay")},getCenter:function(){return{top:this.height/2,left:this.width/2}},centerObjectH:function(t){return this._centerObject(t,new C.Point(this.getCenter().left,t.getCenterPoint().y))},centerObjectV:function(t){return this._centerObject(t,new C.Point(t.getCenterPoint().x,this.getCenter().top))},centerObject:function(t){var e=this.getCenter();return this._centerObject(t,new C.Point(e.left,e.top))},viewportCenterObject:function(t){var e=this.getVpCenter();return this._centerObject(t,e)},viewportCenterObjectH:function(t){var e=this.getVpCenter();return this._centerObject(t,new C.Point(e.x,t.getCenterPoint().y)),this},viewportCenterObjectV:function(t){var e=this.getVpCenter();return this._centerObject(t,new C.Point(t.getCenterPoint().x,e.y))},getVpCenter:function(){var t=this.getCenter(),e=s(this.viewportTransform);return r({x:t.left,y:t.top},e)},_centerObject:function(t,e){return t.setPositionByOrigin(e,"center","center"),t.setCoords(),this.renderOnAddRemove&&this.requestRenderAll(),this},toDatalessJSON:function(t){return this.toDatalessObject(t)},toObject:function(t){return this._toObjectMethod("toObject",t)},toDatalessObject:function(t){return this._toObjectMethod("toDatalessObject",t)},_toObjectMethod:function(e,i){var n=this.clipPath,r={version:C.version,objects:this._toObjects(e,i)};return n&&(r.clipPath=this._toObject(this.clipPath,e,i)),t(r,this.__serializeBgOverlay(e,i)),C.util.populateWithProperties(this,r,i),r},_toObjects:function(t,e){return this._objects.filter((function(t){return!t.excludeFromExport})).map((function(i){return this._toObject(i,t,e)}),this)},_toObject:function(t,e,i){var n;this.includeDefaultValues||(n=t.includeDefaultValues,t.includeDefaultValues=!1);var r=t[e](i);return this.includeDefaultValues||(t.includeDefaultValues=n),r},__serializeBgOverlay:function(t,e){var i={},n=this.backgroundImage,r=this.overlayImage;return this.backgroundColor&&(i.background=this.backgroundColor.toObject?this.backgroundColor.toObject(e):this.backgroundColor),this.overlayColor&&(i.overlay=this.overlayColor.toObject?this.overlayColor.toObject(e):this.overlayColor),n&&!n.excludeFromExport&&(i.backgroundImage=this._toObject(n,t,e)),r&&!r.excludeFromExport&&(i.overlayImage=this._toObject(r,t,e)),i},svgViewportTransformation:!0,toSVG:function(t,e){t||(t={}),t.reviver=e;var i=[];return this._setSVGPreamble(i,t),this._setSVGHeader(i,t),this.clipPath&&i.push('<g clip-path="url(#'+this.clipPath.clipPathId+')" >\n'),this._setSVGBgOverlayColor(i,"background"),this._setSVGBgOverlayImage(i,"backgroundImage",e),this._setSVGObjects(i,e),this.clipPath&&i.push("</g>\n"),this._setSVGBgOverlayColor(i,"overlay"),this._setSVGBgOverlayImage(i,"overlayImage",e),i.push("</svg>"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('<?xml version="1.0" encoding="',e.encoding||"UTF-8",'" standalone="no" ?>\n','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(t,e){var i,r=e.width||this.width,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=C.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='viewBox="'+n(-i[4]/i[0],a)+" "+n(-i[5]/i[3],a)+" "+n(this.width/i[0],a)+" "+n(this.height/i[3],a)+'" '),t.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',r,'" ','height="',s,'" ',o,'xml:space="preserve">\n',"<desc>Created with Fabric.js ",C.version,"</desc>\n","<defs>\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),this.createSVGClipPathMarkup(e),"</defs>\n")},createSVGClipPathMarkup:function(t){var e=this.clipPath;return e?(e.clipPathId="CLIPPATH_"+C.Object.__uid++,'<clipPath id="'+e.clipPathId+'" >\n'+this.clipPath.toClipPathSVG(t.reviver)+"</clipPath>\n"):""},createSVGRefElementsMarkup:function(){var t=this;return["background","overlay"].map((function(e){var i=t[e+"Color"];if(i&&i.toLive){var n=t[e+"Vpt"],r=t.viewportTransform,s={width:t.width/(n?r[0]:1),height:t.height/(n?r[3]:1)};return i.toSVG(s,{additionalTransform:n?C.util.matrixToSVG(r):""})}})).join("")},createSVGFontFacesMarkup:function(){var t,e,i,n,r,s,o,a,h="",c={},l=C.fontPaths,u=this._objects;for(o=0,a=u.length;o<a;o++)if(e=(t=u[o]).fontFamily,-1!==t.type.indexOf("text")&&!c[e]&&l[e]&&(c[e]=!0,t.styles))for(r in i=t.styles)for(s in n=i[r])!c[e=n[s].fontFamily]&&l[e]&&(c[e]=!0);for(var f in c)h+=["\t\t@font-face {\n","\t\t\tfont-family: '",f,"';\n","\t\t\tsrc: url('",l[f],"');\n","\t\t}\n"].join("");return h&&(h=['\t<style type="text/css">',"<![CDATA[\n",h,"]]>","</style>\n"].join("")),h},_setSVGObjects:function(t,e){var i,n,r,s=this._objects;for(n=0,r=s.length;n<r;n++)(i=s[n]).excludeFromExport||this._setSVGObject(t,i,e)},_setSVGObject:function(t,e,i){t.push(e.toSVG(i))},_setSVGBgOverlayImage:function(t,e,i){this[e]&&!this[e].excludeFromExport&&this[e].toSVG&&t.push(this[e].toSVG(i))},_setSVGBgOverlayColor:function(t,e){var i=this[e+"Color"],n=this.viewportTransform,r=this.width,s=this.height;if(i)if(i.toLive){var o=i.repeat,a=C.util.invertTransform(n),h=this[e+"Vpt"]?C.util.matrixToSVG(a):"";t.push('<rect transform="'+h+" translate(",r/2,",",s/2,')"',' x="',i.offsetX-r/2,'" y="',i.offsetY-s/2,'" ','width="',"repeat-y"===o||"no-repeat"===o?i.source.width:r,'" height="',"repeat-x"===o||"no-repeat"===o?i.source.height:s,'" fill="url(#SVGID_'+i.id+')"',"></rect>\n")}else t.push('<rect x="0" y="0" width="100%" height="100%" ','fill="',i,'"',"></rect>\n")},sendToBack:function(t){if(!t)return this;var e,n,r,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(e=(r=s._objects).length;e--;)n=r[e],i(this._objects,n),this._objects.unshift(n);else i(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,n,r,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(r=s._objects,e=0;e<r.length;e++)n=r[e],i(this._objects,n),this._objects.push(n);else i(this._objects,t),this._objects.push(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},sendBackwards:function(t,e){if(!t)return this;var n,r,s,o,a,h=this._activeObject,c=0;if(t===h&&"activeSelection"===t.type)for(a=h._objects,n=0;n<a.length;n++)r=a[n],(s=this._objects.indexOf(r))>0+c&&(o=s-1,i(this._objects,r),this._objects.splice(o,0,r)),c++;else 0!==(s=this._objects.indexOf(t))&&(o=this._findNewLowerIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewLowerIndex:function(t,e,i){var n,r;if(i)for(n=e,r=e-1;r>=0;--r){if(t.intersectsWithObject(this._objects[r])||t.isContainedWithinObject(this._objects[r])||this._objects[r].isContainedWithinObject(t)){n=r;break}}else n=e-1;return n},bringForward:function(t,e){if(!t)return this;var n,r,s,o,a,h=this._activeObject,c=0;if(t===h&&"activeSelection"===t.type)for(n=(a=h._objects).length;n--;)r=a[n],(s=this._objects.indexOf(r))<this._objects.length-1-c&&(o=s+1,i(this._objects,r),this._objects.splice(o,0,r)),c++;else(s=this._objects.indexOf(t))!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewUpperIndex:function(t,e,i){var n,r,s;if(i)for(n=e,r=e+1,s=this._objects.length;r<s;++r){if(t.intersectsWithObject(this._objects[r])||t.isContainedWithinObject(this._objects[r])||this._objects[r].isContainedWithinObject(t)){n=r;break}}else n=e+1;return n},moveTo:function(t,e){return i(this._objects,t),this._objects.splice(e,0,t),this.renderOnAddRemove&&this.requestRenderAll()},dispose:function(){return this.isRendering&&(C.util.cancelAnimFrame(this.isRendering),this.isRendering=0),this.forEachObject((function(t){t.dispose&&t.dispose()})),this._objects=[],this.backgroundImage&&this.backgroundImage.dispose&&this.backgroundImage.dispose(),this.backgroundImage=null,this.overlayImage&&this.overlayImage.dispose&&this.overlayImage.dispose(),this.overlayImage=null,this._iTextInstances=null,this.contextContainer=null,C.util.cleanUpJsdomNode(this.lowerCanvasEl),this.lowerCanvasEl=void 0,this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this._objects.length+" }>"}}),t(C.StaticCanvas.prototype,C.Observable),t(C.StaticCanvas.prototype,C.Collection),t(C.StaticCanvas.prototype,C.DataURLExporter),t(C.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=a();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"setLineDash":return void 0!==i.setLineDash;default:return null}}}),C.StaticCanvas.prototype.toJSON=C.StaticCanvas.prototype.toObject,C.isLikelyNode&&(C.StaticCanvas.prototype.createPNGStream=function(){var t=o(this.lowerCanvasEl);return t&&t.createPNGStream()},C.StaticCanvas.prototype.createJPEGStream=function(t){var e=o(this.lowerCanvasEl);return e&&e.createJPEGStream(t)})}}(),C.BaseBrush=C.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,setShadow:function(t){return this.shadow=new C.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.miterLimit=this.strokeMiterLimit,t.lineJoin=this.strokeLineJoin,C.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray||[])},_saveAndTransform:function(t){var e=this.canvas.viewportTransform;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5])},_setShadow:function(){if(this.shadow){var t=this.canvas,e=this.shadow,i=t.contextTop,n=t.getZoom();t&&t._isRetinaScaling()&&(n*=C.devicePixelRatio),i.shadowColor=e.color,i.shadowBlur=e.blur*n,i.shadowOffsetX=e.offsetX*n,i.shadowOffsetY=e.offsetY*n}},needsFullRender:function(){return new C.Color(this.color).getAlpha()<1||!!this.shadow},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),C.PencilBrush=C.util.createClass(C.BaseBrush,{decimate:.4,initialize:function(t){this.canvas=t,this._points=[]},_drawSegment:function(t,e,i){var n=e.midPointFrom(i);return t.quadraticCurveTo(e.x,e.y,n.x,n.y),n},onMouseDown:function(t,e){this.canvas._isMainEvent(e.e)&&(this._prepareForDrawing(t),this._captureDrawingPath(t),this._render())},onMouseMove:function(t,e){if(this.canvas._isMainEvent(e.e)&&this._captureDrawingPath(t)&&this._points.length>1)if(this.needsFullRender())this.canvas.clearContext(this.canvas.contextTop),this._render();else{var i=this._points,n=i.length,r=this.canvas.contextTop;this._saveAndTransform(r),this.oldEnd&&(r.beginPath(),r.moveTo(this.oldEnd.x,this.oldEnd.y)),this.oldEnd=this._drawSegment(r,i[n-2],i[n-1],!0),r.stroke(),r.restore()}},onMouseUp:function(t){return!this.canvas._isMainEvent(t.e)||(this.oldEnd=void 0,this._finalizeAndAddPath(),!1)},_prepareForDrawing:function(t){var e=new C.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){return!(this._points.length>1&&t.eq(this._points[this._points.length-1])||(this._points.push(t),0))},_reset:function(){this._points=[],this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new C.Point(t.x,t.y);return this._addPoint(e)},_render:function(){var t,e,i=this.canvas.contextTop,n=this._points[0],r=this._points[1];if(this._saveAndTransform(i),i.beginPath(),2===this._points.length&&n.x===r.x&&n.y===r.y){var s=this.width/1e3;n=new C.Point(n.x,n.y),r=new C.Point(r.x,r.y),n.x-=s,r.x+=s}for(i.moveTo(n.x,n.y),t=1,e=this._points.length;t<e;t++)this._drawSegment(i,n,r),n=this._points[t],r=this._points[t+1];i.lineTo(n.x,n.y),i.stroke(),i.restore()},convertPointsToSVGPath:function(t){var e,i=[],n=this.width/1e3,r=new C.Point(t[0].x,t[0].y),s=new C.Point(t[1].x,t[1].y),o=t.length,a=1,h=0,c=o>2;for(c&&(a=t[2].x<s.x?-1:t[2].x===s.x?0:1,h=t[2].y<s.y?-1:t[2].y===s.y?0:1),i.push("M ",r.x-a*n," ",r.y-h*n," "),e=1;e<o;e++){if(!r.eq(s)){var l=r.midPointFrom(s);i.push("Q ",r.x," ",r.y," ",l.x," ",l.y," ")}r=t[e],e+1<t.length&&(s=t[e+1])}return c&&(a=r.x>t[e-2].x?1:r.x===t[e-2].x?0:-1,h=r.y>t[e-2].y?1:r.y===t[e-2].y?0:-1),i.push("L ",r.x+a*n," ",r.y+h*n),i},createPath:function(t){var e=new C.Path(t,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeMiterLimit:this.strokeMiterLimit,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray});return this.shadow&&(this.shadow.affectStroke=!0,e.setShadow(this.shadow)),e},decimatePoints:function(t,e){if(t.length<=2)return t;var i,n=this.canvas.getZoom(),r=Math.pow(e/n,2),s=t.length-1,o=t[0],a=[o];for(i=1;i<s;i++)Math.pow(o.x-t[i].x,2)+Math.pow(o.y-t[i].y,2)>=r&&(o=t[i],a.push(o));return 1===a.length&&a.push(new C.Point(a[0].x,a[0].y)),a},_finalizeAndAddPath:function(){this.canvas.contextTop.closePath(),this.decimate&&(this._points=this.decimatePoints(this._points,this.decimate));var t=this.convertPointsToSVGPath(this._points).join("");if("M 0 0 Q 0 0 0 0 L 0 0"!==t){var e=this.createPath(t);this.canvas.clearContext(this.canvas.contextTop),this.canvas.add(e),this.canvas.requestRenderAll(),e.setCoords(),this._resetShadow(),this.canvas.fire("path:created",{path:e})}else this.canvas.requestRenderAll()}}),C.CircleBrush=C.util.createClass(C.BaseBrush,{width:10,initialize:function(t){this.canvas=t,this.points=[]},drawDot:function(t){var e=this.addPoint(t),i=this.canvas.contextTop;this._saveAndTransform(i),this.dot(i,e),i.restore()},dot:function(t,e){t.fillStyle=e.fill,t.beginPath(),t.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),t.closePath(),t.fill()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},_render:function(){var t,e,i=this.canvas.contextTop,n=this.points;for(this._saveAndTransform(i),t=0,e=n.length;t<e;t++)this.dot(i,n[t]);i.restore()},onMouseMove:function(t){this.needsFullRender()?(this.canvas.clearContext(this.canvas.contextTop),this.addPoint(t),this._render()):this.drawDot(t)},onMouseUp:function(){var t,e,i=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var n=[];for(t=0,e=this.points.length;t<e;t++){var r=this.points[t],s=new C.Circle({radius:r.radius,left:r.x,top:r.y,originX:"center",originY:"center",fill:r.fill});this.shadow&&s.setShadow(this.shadow),n.push(s)}var o=new C.Group(n);o.canvas=this.canvas,this.canvas.add(o),this.canvas.fire("path:created",{path:o}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=i,this.canvas.requestRenderAll()},addPoint:function(t){var e=new C.Point(t.x,t.y),i=C.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,n=new C.Color(this.color).setAlpha(C.util.getRandomInt(0,100)/100).toRgba();return e.radius=i,e.fill=n,this.points.push(e),e}}),C.SprayBrush=C.util.createClass(C.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(t){this.canvas=t,this.sprayChunks=[]},onMouseDown:function(t){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(t),this.render(this.sprayChunkPoints)},onMouseMove:function(t){this.addSprayChunk(t),this.render(this.sprayChunkPoints)},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,n=this.sprayChunks.length;i<n;i++)for(var r=this.sprayChunks[i],s=0,o=r.length;s<o;s++){var a=new C.Rect({width:r[s].width,height:r[s].width,left:r[s].x+1,top:r[s].y+1,originX:"center",originY:"center",fill:this.color});e.push(a)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var h=new C.Group(e);this.shadow&&h.setShadow(this.shadow),this.canvas.add(h),this.canvas.fire("path:created",{path:h}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=t,this.canvas.requestRenderAll()},_getOptimizedRects:function(t){var e,i,n,r={};for(i=0,n=t.length;i<n;i++)r[e=t[i].left+""+t[i].top]||(r[e]=t[i]);var s=[];for(e in r)s.push(r[e]);return s},render:function(t){var e,i,n=this.canvas.contextTop;for(n.fillStyle=this.color,this._saveAndTransform(n),e=0,i=t.length;e<i;e++){var r=t[e];void 0!==r.opacity&&(n.globalAlpha=r.opacity),n.fillRect(r.x,r.y,r.width,r.width)}n.restore()},_render:function(){var t,e,i=this.canvas.contextTop;for(i.fillStyle=this.color,this._saveAndTransform(i),t=0,e=this.sprayChunks.length;t<e;t++)this.render(this.sprayChunks[t]);i.restore()},addSprayChunk:function(t){this.sprayChunkPoints=[];var e,i,n,r,s=this.width/2;for(r=0;r<this.density;r++){e=C.util.getRandomInt(t.x-s,t.x+s),i=C.util.getRandomInt(t.y-s,t.y+s),n=this.dotWidthVariance?C.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var o=new C.Point(e,i);o.width=n,this.randomOpacity&&(o.opacity=C.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(o)}this.sprayChunks.push(this.sprayChunkPoints)}}),C.PatternBrush=C.util.createClass(C.PencilBrush,{getPatternSrc:function(){var t=C.util.createCanvasElement(),e=t.getContext("2d");return t.width=t.height=25,e.fillStyle=this.color,e.beginPath(),e.arc(10,10,10,0,2*Math.PI,!1),e.closePath(),e.fill(),t},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(){return this.canvas.contextTop.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(){this.callSuper("_setBrushStyles"),this.canvas.contextTop.strokeStyle=this.getPattern()},createPath:function(t){var e=this.callSuper("createPath",t),i=e._getLeftTopCoords().scalarAdd(e.strokeWidth/2);return e.stroke=new C.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-i.x,offsetY:-i.y}),e}}),function(){var t=C.util.getPointer,e=C.util.degreesToRadians,i=C.util.radiansToDegrees,n=Math.atan2,r=Math.abs,s=C.StaticCanvas.supports("setLineDash");for(var o in C.Canvas=C.util.createClass(C.StaticCanvas,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e),this._initInteractive(),this._createCacheCanvas()},uniScaleTransform:!1,uniScaleKey:"shiftKey",centeredScaling:!1,centeredRotation:!1,centeredKey:"altKey",altActionKey:"shiftKey",interactive:!0,selection:!0,selectionKey:"shiftKey",altSelectionKey:null,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,selectionFullyContained:!1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",rotationCursor:"crosshair",notAllowedCursor:"not-allowed",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,isDrawingMode:!1,preserveObjectStacking:!1,snapAngle:0,snapThreshold:null,stopContextMenu:!1,fireRightClick:!1,fireMiddleClick:!1,targets:[],_hoveredTarget:null,_hoveredTargets:[],_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEventListeners(),this._initRetinaScaling(),this.freeDrawingBrush=C.PencilBrush&&new C.PencilBrush(this),this.calcOffset()},_chooseObjectsToRender:function(){var t,e,i,n=this.getActiveObjects();if(n.length>0&&!this.preserveObjectStacking){e=[],i=[];for(var r=0,s=this._objects.length;r<s;r++)t=this._objects[r],-1===n.indexOf(t)?e.push(t):i.push(t);n.length>1&&(this._activeObject._objects=i),e.push.apply(e,i)}else e=this._objects;return e},renderAll:function(){!this.contextTopDirty||this._groupSelector||this.isDrawingMode||(this.clearContext(this.contextTop),this.contextTopDirty=!1),this.hasLostContext&&this.renderTopLayer(this.contextTop);var t=this.contextContainer;return this.renderCanvas(t,this._chooseObjectsToRender()),this},renderTopLayer:function(t){t.save(),this.isDrawingMode&&this._isCurrentlyDrawing&&(this.freeDrawingBrush&&this.freeDrawingBrush._render(),this.contextTopDirty=!0),this.selection&&this._groupSelector&&(this._drawSelection(t),this.contextTopDirty=!0),t.restore()},renderTop:function(){var t=this.contextTop;return this.clearContext(t),this.renderTopLayer(t),this.fire("after:render"),this},_resetCurrentTransform:function(){var t=this._currentTransform;t.target.set({scaleX:t.original.scaleX,scaleY:t.original.scaleY,skewX:t.original.skewX,skewY:t.original.skewY,left:t.original.left,top:t.original.top}),this._shouldCenterTransform(t.target)?("center"!==t.originX&&("right"===t.originX?t.mouseXSign=-1:t.mouseXSign=1),"center"!==t.originY&&("bottom"===t.originY?t.mouseYSign=-1:t.mouseYSign=1),t.originX="center",t.originY="center"):(t.originX=t.original.originX,t.originY=t.original.originY)},containsPoint:function(t,e,i){var n,r=i||this.getPointer(t,!0);return n=e.group&&e.group===this._activeObject&&"activeSelection"===e.group.type?this._normalizePointer(e.group,r):{x:r.x,y:r.y},e.containsPoint(n)||e._findTargetCorner(r)},_normalizePointer:function(t,e){var i=t.calcTransformMatrix(),n=C.util.invertTransform(i),r=this.restorePointerVpt(e);return C.util.transformPoint(r,n)},isTargetTransparent:function(t,e,i){if(t.shouldCache()&&t._cacheCanvas&&t!==this._activeObject){var n=this._normalizePointer(t,{x:e,y:i}),r=Math.max(t.cacheTranslationX+n.x*t.zoomX,0),s=Math.max(t.cacheTranslationY+n.y*t.zoomY,0);return C.util.isTransparent(t._cacheContext,Math.round(r),Math.round(s),this.targetFindTolerance)}var o=this.contextCache,a=t.selectionBackgroundColor,h=this.viewportTransform;return t.selectionBackgroundColor="",this.clearContext(o),o.save(),o.transform(h[0],h[1],h[2],h[3],h[4],h[5]),t.render(o),o.restore(),t===this._activeObject&&t._renderControls(o,{hasBorders:!1,transparentCorners:!1},{hasBorders:!1}),t.selectionBackgroundColor=a,C.util.isTransparent(o,e,i,this.targetFindTolerance)},_isSelectionKeyPressed:function(t){return"[object Array]"===Object.prototype.toString.call(this.selectionKey)?!!this.selectionKey.find((function(e){return!0===t[e]})):t[this.selectionKey]},_shouldClearSelection:function(t,e){var i=this.getActiveObjects(),n=this._activeObject;return!e||e&&n&&i.length>1&&-1===i.indexOf(e)&&n!==e&&!this._isSelectionKeyPressed(t)||e&&!e.evented||e&&!e.selectable&&n&&n!==e},_shouldCenterTransform:function(t){if(t){var e,i=this._currentTransform;return"scale"===i.action||"scaleX"===i.action||"scaleY"===i.action?e=this.centeredScaling||t.centeredScaling:"rotate"===i.action&&(e=this.centeredRotation||t.centeredRotation),e?!i.altKey:i.altKey}},_getOriginFromCorner:function(t,e){var i={x:t.originX,y:t.originY};return"ml"===e||"tl"===e||"bl"===e?i.x="right":"mr"!==e&&"tr"!==e&&"br"!==e||(i.x="left"),"tl"===e||"mt"===e||"tr"===e?i.y="bottom":"bl"!==e&&"mb"!==e&&"br"!==e||(i.y="top"),i},_getActionFromCorner:function(t,e,i){if(!e||!t)return"drag";switch(e){case"mtr":return"rotate";case"ml":case"mr":return i[this.altActionKey]?"skewY":"scaleX";case"mt":case"mb":return i[this.altActionKey]?"skewX":"scaleY";default:return"scale"}},_setupCurrentTransform:function(t,i,n){if(i){var r=this.getPointer(t),s=i._findTargetCorner(this.getPointer(t,!0)),o=this._getActionFromCorner(n,s,t,i),a=this._getOriginFromCorner(i,s);this._currentTransform={target:i,action:o,corner:s,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,offsetX:r.x-i.left,offsetY:r.y-i.top,originX:a.x,originY:a.y,ex:r.x,ey:r.y,lastX:r.x,lastY:r.y,theta:e(i.angle),width:i.width*i.scaleX,mouseXSign:1,mouseYSign:1,shiftKey:t.shiftKey,altKey:t[this.centeredKey],original:C.util.saveObjectTransform(i)},this._currentTransform.original.originX=a.x,this._currentTransform.original.originY=a.y,this._resetCurrentTransform(),this._beforeTransform(t)}},_translateObject:function(t,e){var i=this._currentTransform,n=i.target,r=t-i.offsetX,s=e-i.offsetY,o=!n.get("lockMovementX")&&n.left!==r,a=!n.get("lockMovementY")&&n.top!==s;return o&&n.set("left",r),a&&n.set("top",s),o||a},_changeSkewTransformOrigin:function(t,e,i){var n="originX",r={0:"center"},s=e.target.skewX,o="left",a="right",h="mt"===e.corner||"ml"===e.corner?1:-1,c=1;t=t>0?1:-1,"y"===i&&(s=e.target.skewY,o="top",a="bottom",n="originY"),r[-1]=o,r[1]=a,e.target.flipX&&(c*=-1),e.target.flipY&&(c*=-1),0===s?(e.skewSign=-h*t*c,e[n]=r[-t]):(s=s>0?1:-1,e.skewSign=s,e[n]=r[s*h*c])},_skewObject:function(t,e,i){var n,r=this._currentTransform,s=r.target,o=s.get("lockSkewingX"),a=s.get("lockSkewingY");if(o&&"x"===i||a&&"y"===i)return!1;var h,c,l=s.getCenterPoint(),u=s.toLocalPoint(new C.Point(t,e),"center","center")[i],f=s.toLocalPoint(new C.Point(r.lastX,r.lastY),"center","center")[i],d=s._getTransformedDimensions();return this._changeSkewTransformOrigin(u-f,r,i),h=s.toLocalPoint(new C.Point(t,e),r.originX,r.originY)[i],c=s.translateToOriginPoint(l,r.originX,r.originY),n=this._setObjectSkew(h,r,i,d),r.lastX=t,r.lastY=e,s.setPositionByOrigin(c,r.originX,r.originY),n},_setObjectSkew:function(t,e,i,n){var r,s,o,a,h,c,l,u,f,d,p=e.target,g=e.skewSign;return"x"===i?(h="y",c="Y",l="X",f=0,d=p.skewY):(h="x",c="X",l="Y",f=p.skewX,d=0),a=p._getTransformedDimensions(f,d),(u=2*Math.abs(t)-a[i])<=2?r=0:(r=g*Math.atan(u/p["scale"+l]/(a[h]/p["scale"+c])),r=C.util.radiansToDegrees(r)),s=p["skew"+l]!==r,p.set("skew"+l,r),0!==p["skew"+c]&&(o=p._getTransformedDimensions(),r=n[h]/o[h]*p["scale"+c],p.set("scale"+c,r)),s},_scaleObject:function(t,e,i){var n=this._currentTransform,r=n.target,s=r.lockScalingX,o=r.lockScalingY,a=r.lockScalingFlip;if(s&&o)return!1;var h,c=r.translateToOriginPoint(r.getCenterPoint(),n.originX,n.originY),l=r.toLocalPoint(new C.Point(t,e),n.originX,n.originY),u=r._getTransformedDimensions();return this._setLocalMouse(l,n),h=this._setObjectScale(l,n,s,o,i,a,u),r.setPositionByOrigin(c,n.originX,n.originY),h},_setObjectScale:function(t,e,i,n,r,s,o){var a=e.target,h=!1,c=!1,l=!1,u=t.x*a.scaleX/o.x,f=t.y*a.scaleY/o.y,d=a.scaleX!==u,p=a.scaleY!==f;if(e.newScaleX=u,e.newScaleY=f,C.Textbox&&"x"===r&&a instanceof C.Textbox){var g=a.width*(t.x/o.x);return g>=a.getMinWidth()&&(l=g!==a.width,a.set("width",g),l)}return s&&u<=0&&u<a.scaleX&&(h=!0,t.x=0),s&&f<=0&&f<a.scaleY&&(c=!0,t.y=0),"equally"!==r||i||n?r?"x"!==r||a.get("lockUniScaling")?"y"!==r||a.get("lockUniScaling")||c||n||a.set("scaleY",f)&&(l=p):h||i||a.set("scaleX",u)&&(l=d):(h||i||a.set("scaleX",u)&&(l=l||d),c||n||a.set("scaleY",f)&&(l=l||p)):l=this._scaleObjectEqually(t,a,e,o),h||c||this._flipObject(e,r),l},_scaleObjectEqually:function(t,e,i,n){var r,s,o,a=t.y+t.x,h=n.y*i.original.scaleY/e.scaleY+n.x*i.original.scaleX/e.scaleX,c=t.x<0?-1:1,l=t.y<0?-1:1;return s=c*Math.abs(i.original.scaleX*a/h),o=l*Math.abs(i.original.scaleY*a/h),r=s!==e.scaleX||o!==e.scaleY,e.set("scaleX",s),e.set("scaleY",o),r},_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,n=this.getZoom(),s=i.padding/n;"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)),r(t.x)>s?t.x<0?t.x+=s:t.x-=s:t.x=0,r(t.y)>s?t.y<0?t.y+=s:t.y-=s:t.y=0},_rotateObject:function(t,e){var r=this._currentTransform,s=r.target,o=s.translateToOriginPoint(s.getCenterPoint(),r.originX,r.originY);if(s.lockRotation)return!1;var a=n(r.ey-o.y,r.ex-o.x),h=n(e-o.y,t-o.x),c=i(h-a+r.theta),l=!0;if(s.snapAngle>0){var u=s.snapAngle,f=s.snapThreshold||u,d=Math.ceil(c/u)*u,p=Math.floor(c/u)*u;Math.abs(c-p)<f?c=p:Math.abs(c-d)<f&&(c=d)}return c<0&&(c=360+c),c%=360,s.angle===c?l=!1:(s.angle=c,s.setPositionByOrigin(o,r.originX,r.originY)),l},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_drawSelection:function(t){var e=this._groupSelector,i=e.left,n=e.top,o=r(i),a=r(n);if(this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(e.ex-(i>0?0:-i),e.ey-(n>0?0:-n),o,a)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!s){var h=e.ex+.5-(i>0?0:o),c=e.ey+.5-(n>0?0:a);t.beginPath(),C.util.drawDashedLine(t,h,c,h+o,c,this.selectionDashArray),C.util.drawDashedLine(t,h,c+a-1,h+o,c+a-1,this.selectionDashArray),C.util.drawDashedLine(t,h,c,h,c+a,this.selectionDashArray),C.util.drawDashedLine(t,h+o-1,c,h+o-1,c+a,this.selectionDashArray),t.closePath(),t.stroke()}else C.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+.5-(i>0?0:o),e.ey+.5-(n>0?0:a),o,a)},findTarget:function(t,e){if(!this.skipTargetFind){var i,n,r=this.getPointer(t,!0),s=this._activeObject,o=this.getActiveObjects();if(this.targets=[],o.length>1&&!e&&s===this._searchPossibleTargets([s],r))return s;if(1===o.length&&s._findTargetCorner(r))return s;if(1===o.length&&s===this._searchPossibleTargets([s],r)){if(!this.preserveObjectStacking)return s;i=s,n=this.targets,this.targets=[]}var a=this._searchPossibleTargets(this._objects,r);return t[this.altSelectionKey]&&a&&i&&a!==i&&(a=i,this.targets=n),a}},_checkTarget:function(t,e,i){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;if(!this.isTargetTransparent(e,i.x,i.y))return!0}},_searchPossibleTargets:function(t,e){for(var i,n,r=t.length;r--;){var s=t[r],o=s.group&&"activeSelection"!==s.group.type?this._normalizePointer(s.group,e):e;if(this._checkTarget(o,s,e)){(i=t[r]).subTargetCheck&&i instanceof C.Group&&(n=this._searchPossibleTargets(i._objects,e))&&this.targets.push(n);break}}return i},restorePointerVpt:function(t){return C.util.transformPoint(t,C.util.invertTransform(this.viewportTransform))},getPointer:function(e,i){if(this._absolutePointer&&!i)return this._absolutePointer;if(this._pointer&&i)return this._pointer;var n,r=t(e),s=this.upperCanvasEl,o=s.getBoundingClientRect(),a=o.width||0,h=o.height||0;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(),r.x=r.x-this._offset.left,r.y=r.y-this._offset.top,i||(r=this.restorePointerVpt(r));var c=this.getRetinaScaling();return 1!==c&&(r.x/=c,r.y/=c),n=0===a||0===h?{width:1,height:1}:{width:s.width/a,height:s.height/h},{x:r.x*n.width,y:r.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,""),e=this.lowerCanvasEl,i=this.upperCanvasEl;i?i.className="":(i=this._createCanvasElement(),this.upperCanvasEl=i),C.util.addClass(i,"upper-canvas "+t),this.wrapperEl.appendChild(i),this._copyCanvasStyle(e,i),this._applyCanvasStyle(i),this.contextTop=i.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=C.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),C.util.setStyle(this.wrapperEl,{width:this.width+"px",height:this.height+"px",position:"relative"}),C.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.width||t.width,i=this.height||t.height;C.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":this.allowTouchScrolling?"manipulation":"none","-ms-touch-action":this.allowTouchScrolling?"manipulation":"none"}),t.width=e,t.height=i,C.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},getActiveObject:function(){return this._activeObject},getActiveObjects:function(){var t=this._activeObject;return t?"activeSelection"===t.type&&t._objects?t._objects.slice(0):[t]:[]},_onObjectRemoved:function(t){t===this._activeObject&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),t===this._hoveredTarget&&(this._hoveredTarget=null,this._hoveredTargets=[]),this.callSuper("_onObjectRemoved",t)},_fireSelectionEvents:function(t,e){var i=!1,n=this.getActiveObjects(),r=[],s=[],o={e:e};t.forEach((function(t){-1===n.indexOf(t)&&(i=!0,t.fire("deselected",o),s.push(t))})),n.forEach((function(e){-1===t.indexOf(e)&&(i=!0,e.fire("selected",o),r.push(e))})),t.length>0&&n.length>0?(o.selected=r,o.deselected=s,o.updated=r[0]||s[0],o.target=this._activeObject,i&&this.fire("selection:updated",o)):n.length>0?(1===n.length&&(o.target=r[0],this.fire("object:selected",o)),o.selected=r,o.target=this._activeObject,this.fire("selection:created",o)):t.length>0&&(o.deselected=s,this.fire("selection:cleared",o))},setActiveObject:function(t,e){var i=this.getActiveObjects();return this._setActiveObject(t,e),this._fireSelectionEvents(i,e),this},_setActiveObject:function(t,e){return this._activeObject!==t&&(!!this._discardActiveObject(e,t)&&(!t.onSelect({e:e})&&(this._activeObject=t,!0)))},_discardActiveObject:function(t,e){var i=this._activeObject;if(i){if(i.onDeselect({e:t,object:e}))return!1;this._activeObject=null}return!0},discardActiveObject:function(t){var e=this.getActiveObjects(),i=this.getActiveObject();return e.length&&this.fire("before:selection:cleared",{target:i,e:t}),this._discardActiveObject(t),this._fireSelectionEvents(e,t),this},dispose:function(){var t=this.wrapperEl;return this.removeListeners(),t.removeChild(this.upperCanvasEl),t.removeChild(this.lowerCanvasEl),this.contextCache=null,this.contextTop=null,["upperCanvasEl","cacheCanvasEl"].forEach(function(t){C.util.cleanUpJsdomNode(this[t]),this[t]=void 0}.bind(this)),t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,C.StaticCanvas.prototype.dispose.call(this),this},clear:function(){return this.discardActiveObject(),this.clearContext(this.contextTop),this.callSuper("clear")},drawControls:function(t){var e=this._activeObject;e&&e._renderControls(t)},_toObject:function(t,e,i){var n=this._realizeGroupTransformOnObject(t),r=this.callSuper("_toObject",t,e,i);return this._unwindGroupTransformOnObject(t,n),r},_realizeGroupTransformOnObject:function(t){if(t.group&&"activeSelection"===t.group.type&&this._activeObject===t.group){var e={};return["angle","flipX","flipY","left","scaleX","scaleY","skewX","skewY","top"].forEach((function(i){e[i]=t[i]})),this._activeObject.realizeTransform(t),e}return null},_unwindGroupTransformOnObject:function(t,e){e&&t.set(e)},_setSVGObject:function(t,e,i){var n=this._realizeGroupTransformOnObject(e);this.callSuper("_setSVGObject",t,e,i),this._unwindGroupTransformOnObject(e,n)},setViewportTransform:function(t){this.renderOnAddRemove&&this._activeObject&&this._activeObject.isEditing&&this._activeObject.clearContextTop(),C.StaticCanvas.prototype.setViewportTransform.call(this,t)}}),C.StaticCanvas)"prototype"!==o&&(C.Canvas[o]=C.StaticCanvas[o])}(),function(){var t={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},e=C.util.addListener,i=C.util.removeListener,n={passive:!1};function r(t,e){return t.button&&t.button===e-1}C.util.object.extend(C.Canvas.prototype,{cursorMap:["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],mainTouchId:null,_initEventListeners:function(){this.removeListeners(),this._bindEvents(),this.addOrRemove(e,"add")},_getEventPrefix:function(){return this.enablePointerEvents?"pointer":"mouse"},addOrRemove:function(t,e){var i=this.upperCanvasEl,r=this._getEventPrefix();t(C.window,"resize",this._onResize),t(i,r+"down",this._onMouseDown),t(i,r+"move",this._onMouseMove,n),t(i,r+"out",this._onMouseOut),t(i,r+"enter",this._onMouseEnter),t(i,"wheel",this._onMouseWheel),t(i,"contextmenu",this._onContextMenu),t(i,"dblclick",this._onDoubleClick),t(i,"dragover",this._onDragOver),t(i,"dragenter",this._onDragEnter),t(i,"dragleave",this._onDragLeave),t(i,"drop",this._onDrop),this.enablePointerEvents||t(i,"touchstart",this._onTouchStart,n),"undefined"!=typeof eventjs&&e in eventjs&&(eventjs[e](i,"gesture",this._onGesture),eventjs[e](i,"drag",this._onDrag),eventjs[e](i,"orientation",this._onOrientationChange),eventjs[e](i,"shake",this._onShake),eventjs[e](i,"longpress",this._onLongPress))},removeListeners:function(){this.addOrRemove(i,"remove");var t=this._getEventPrefix();i(C.document,t+"up",this._onMouseUp),i(C.document,"touchend",this._onTouchEnd,n),i(C.document,t+"move",this._onMouseMove,n),i(C.document,"touchmove",this._onMouseMove,n)},_bindEvents:function(){this.eventsBound||(this._onMouseDown=this._onMouseDown.bind(this),this._onTouchStart=this._onTouchStart.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onTouchEnd=this._onTouchEnd.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onLongPress=this._onLongPress.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this),this._onMouseOut=this._onMouseOut.bind(this),this._onMouseEnter=this._onMouseEnter.bind(this),this._onContextMenu=this._onContextMenu.bind(this),this._onDoubleClick=this._onDoubleClick.bind(this),this._onDragOver=this._onDragOver.bind(this),this._onDragEnter=this._simpleEventHandler.bind(this,"dragenter"),this._onDragLeave=this._simpleEventHandler.bind(this,"dragleave"),this._onDrop=this._simpleEventHandler.bind(this,"drop"),this.eventsBound=!0)},_onGesture:function(t,e){this.__onTransformGesture&&this.__onTransformGesture(t,e)},_onDrag:function(t,e){this.__onDrag&&this.__onDrag(t,e)},_onMouseWheel:function(t){this.__onMouseWheel(t)},_onMouseOut:function(t){var e=this._hoveredTarget;this.fire("mouse:out",{target:e,e:t}),this._hoveredTarget=null,e&&e.fire("mouseout",{e:t});var i=this;this._hoveredTargets.forEach((function(n){i.fire("mouse:out",{target:e,e:t}),n&&e.fire("mouseout",{e:t})})),this._hoveredTargets=[],this._iTextInstances&&this._iTextInstances.forEach((function(t){t.isEditing&&t.hiddenTextarea.focus()}))},_onMouseEnter:function(t){this.currentTransform||this.findTarget(t)||(this.fire("mouse:over",{target:null,e:t}),this._hoveredTarget=null,this._hoveredTargets=[])},_onOrientationChange:function(t,e){this.__onOrientationChange&&this.__onOrientationChange(t,e)},_onShake:function(t,e){this.__onShake&&this.__onShake(t,e)},_onLongPress:function(t,e){this.__onLongPress&&this.__onLongPress(t,e)},_onDragOver:function(t){t.preventDefault();var e=this._simpleEventHandler("dragover",t);this._fireEnterLeaveEvents(e,t)},_onContextMenu:function(t){return this.stopContextMenu&&(t.stopPropagation(),t.preventDefault()),!1},_onDoubleClick:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"dblclick"),this._resetTransformEventData(t)},getPointerId:function(t){var e=t.changedTouches;return e?e[0]&&e[0].identifier:this.enablePointerEvents?t.pointerId:-1},_isMainEvent:function(t){return!0===t.isPrimary||!1!==t.isPrimary&&("touchend"===t.type&&0===t.touches.length||(!t.changedTouches||t.changedTouches[0].identifier===this.mainTouchId))},_onTouchStart:function(t){t.preventDefault(),null===this.mainTouchId&&(this.mainTouchId=this.getPointerId(t)),this.__onMouseDown(t),this._resetTransformEventData();var r=this.upperCanvasEl,s=this._getEventPrefix();e(C.document,"touchend",this._onTouchEnd,n),e(C.document,"touchmove",this._onMouseMove,n),i(r,s+"down",this._onMouseDown)},_onMouseDown:function(t){this.__onMouseDown(t),this._resetTransformEventData();var r=this.upperCanvasEl,s=this._getEventPrefix();i(r,s+"move",this._onMouseMove,n),e(C.document,s+"up",this._onMouseUp),e(C.document,s+"move",this._onMouseMove,n)},_onTouchEnd:function(t){if(!(t.touches.length>0)){this.__onMouseUp(t),this._resetTransformEventData(),this.mainTouchId=null;var r=this._getEventPrefix();i(C.document,"touchend",this._onTouchEnd,n),i(C.document,"touchmove",this._onMouseMove,n);var s=this;this._willAddMouseDown&&clearTimeout(this._willAddMouseDown),this._willAddMouseDown=setTimeout((function(){e(s.upperCanvasEl,r+"down",s._onMouseDown),s._willAddMouseDown=0}),400)}},_onMouseUp:function(t){this.__onMouseUp(t),this._resetTransformEventData();var r=this.upperCanvasEl,s=this._getEventPrefix();this._isMainEvent(t)&&(i(C.document,s+"up",this._onMouseUp),i(C.document,s+"move",this._onMouseMove,n),e(r,s+"move",this._onMouseMove,n))},_onMouseMove:function(t){!this.allowTouchScrolling&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)},_onResize:function(){this.calcOffset()},_shouldRender:function(t){var e=this._activeObject;return!!(!!e!=!!t||e&&t&&e!==t)||(e&&e.isEditing,!1)},__onMouseUp:function(t){var e,i=this._currentTransform,n=this._groupSelector,s=!1,o=!n||0===n.left&&0===n.top;if(this._cacheTransformEventData(t),e=this._target,this._handleEvent(t,"up:before"),!r(t,3))return r(t,2)?(this.fireMiddleClick&&this._handleEvent(t,"up",2,o),void this._resetTransformEventData()):void(this.isDrawingMode&&this._isCurrentlyDrawing?this._onMouseUpInDrawingMode(t):this._isMainEvent(t)&&(i&&(this._finalizeCurrentTransform(t),s=i.actionPerformed),o||(this._maybeGroupObjects(t),s||(s=this._shouldRender(e))),e&&(e.isMoving=!1),this._setCursorFromEvent(t,e),this._handleEvent(t,"up",1,o),this._groupSelector=null,this._currentTransform=null,e&&(e.__corner=0),s?this.requestRenderAll():o||this.renderTop()));this.fireRightClick&&this._handleEvent(t,"up",3,o)},_simpleEventHandler:function(t,e){var i=this.findTarget(e),n=this.targets,r={e:e,target:i,subTargets:n};if(this.fire(t,r),i&&i.fire(t,r),!n)return i;for(var s=0;s<n.length;s++)n[s].fire(t,r);return i},_handleEvent:function(t,e,i,n){var r=this._target,s=this.targets||[],o={e:t,target:r,subTargets:s,button:i||1,isClick:n||!1,pointer:this._pointer,absolutePointer:this._absolutePointer,transform:this._currentTransform};this.fire("mouse:"+e,o),r&&r.fire("mouse"+e,o);for(var a=0;a<s.length;a++)s[a].fire("mouse"+e,o)},_finalizeCurrentTransform:function(t){var e,i=this._currentTransform,n=i.target,r={e:t,target:n,transform:i};n._scaling&&(n._scaling=!1),n.setCoords(),(i.actionPerformed||this.stateful&&n.hasStateChanged())&&(i.actionPerformed&&(e=this._addEventOptions(r,i),this._fire(e,r)),this._fire("modified",r))},_addEventOptions:function(t,e){var i,n;switch(e.action){case"scaleX":i="scaled",n="x";break;case"scaleY":i="scaled",n="y";break;case"skewX":i="skewed",n="x";break;case"skewY":i="skewed",n="y";break;case"scale":i="scaled",n="equally";break;case"rotate":i="rotated";break;case"drag":i="moved"}return t.by=n,i},_onMouseDownInDrawingMode:function(t){this._isCurrentlyDrawing=!0,this.getActiveObject()&&this.discardActiveObject(t).requestRenderAll(),this.clipTo&&C.util.clipContext(this,this.contextTop);var e=this.getPointer(t);this.freeDrawingBrush.onMouseDown(e,{e:t,pointer:e}),this._handleEvent(t,"down")},_onMouseMoveInDrawingMode:function(t){if(this._isCurrentlyDrawing){var e=this.getPointer(t);this.freeDrawingBrush.onMouseMove(e,{e:t,pointer:e})}this.setCursor(this.freeDrawingCursor),this._handleEvent(t,"move")},_onMouseUpInDrawingMode:function(t){this.clipTo&&this.contextTop.restore();var e=this.getPointer(t);this._isCurrentlyDrawing=this.freeDrawingBrush.onMouseUp({e:t,pointer:e}),this._handleEvent(t,"up")},__onMouseDown:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"down:before");var e=this._target;if(r(t,3))this.fireRightClick&&this._handleEvent(t,"down",3);else if(r(t,2))this.fireMiddleClick&&this._handleEvent(t,"down",2);else if(this.isDrawingMode)this._onMouseDownInDrawingMode(t);else if(this._isMainEvent(t)&&!this._currentTransform){var i=this._pointer;this._previousPointer=i;var n=this._shouldRender(e),s=this._shouldGroup(t,e);if(this._shouldClearSelection(t,e)?this.discardActiveObject(t):s&&(this._handleGrouping(t,e),e=this._activeObject),!this.selection||e&&(e.selectable||e.isEditing||e===this._activeObject)||(this._groupSelector={ex:i.x,ey:i.y,top:0,left:0}),e){var o=e===this._activeObject;e.selectable&&this.setActiveObject(e,t),e!==this._activeObject||!e.__corner&&s||this._setupCurrentTransform(t,e,o)}this._handleEvent(t,"down"),(n||s)&&this.requestRenderAll()}},_resetTransformEventData:function(){this._target=null,this._pointer=null,this._absolutePointer=null},_cacheTransformEventData:function(t){this._resetTransformEventData(),this._pointer=this.getPointer(t,!0),this._absolutePointer=this.restorePointerVpt(this._pointer),this._target=this._currentTransform?this._currentTransform.target:this.findTarget(t)||null},_beforeTransform:function(t){var e=this._currentTransform;this.stateful&&e.target.saveState(),this.fire("before:transform",{e:t,transform:e}),e.corner&&this.onBeforeScaleRotate(e.target)},__onMouseMove:function(t){var e,i;if(this._handleEvent(t,"move:before"),this._cacheTransformEventData(t),this.isDrawingMode)this._onMouseMoveInDrawingMode(t);else if(this._isMainEvent(t)){var n=this._groupSelector;n?(i=this._pointer,n.left=i.x-n.ex,n.top=i.y-n.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t)||null,this._setCursorFromEvent(t,e),this._fireOverOutEvents(e,t)),this._handleEvent(t,"move"),this._resetTransformEventData()}},_fireOverOutEvents:function(t,e){var i=this._hoveredTarget,n=this._hoveredTargets,r=this.targets,s=Math.max(n.length,r.length);this.fireSyntheticInOutEvents(t,e,{oldTarget:i,evtOut:"mouseout",canvasEvtOut:"mouse:out",evtIn:"mouseover",canvasEvtIn:"mouse:over"});for(var o=0;o<s;o++)this.fireSyntheticInOutEvents(r[o],e,{oldTarget:n[o],evtOut:"mouseout",evtIn:"mouseover"});this._hoveredTarget=t,this._hoveredTargets=this.targets.concat()},_fireEnterLeaveEvents:function(t,e){var i=this._draggedoverTarget,n=this._hoveredTargets,r=this.targets,s=Math.max(n.length,r.length);this.fireSyntheticInOutEvents(t,e,{oldTarget:i,evtOut:"dragleave",evtIn:"dragenter"});for(var o=0;o<s;o++)this.fireSyntheticInOutEvents(r[o],e,{oldTarget:n[o],evtOut:"dragleave",evtIn:"dragenter"});this._draggedoverTarget=t},fireSyntheticInOutEvents:function(t,e,i){var n,r,s,o=i.oldTarget,a=o!==t,h=i.canvasEvtIn,c=i.canvasEvtOut;a&&(n={e:e,target:t,previousTarget:o},r={e:e,target:o,nextTarget:t}),s=t&&a,o&&a&&(c&&this.fire(c,r),o.fire(i.evtOut,r)),s&&(h&&this.fire(h,n),t.fire(i.evtIn,n))},__onMouseWheel:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"wheel"),this._resetTransformEventData()},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),i.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(t,e,i){var n=i.x,r=i.y,s=e.action,o=!1,a={target:e.target,e:t,transform:e,pointer:i};"rotate"===s?(o=this._rotateObject(n,r))&&this._fire("rotating",a):"scale"===s?(o=this._onScale(t,e,n,r))&&this._fire("scaling",a):"scaleX"===s?(o=this._scaleObject(n,r,"x"))&&this._fire("scaling",a):"scaleY"===s?(o=this._scaleObject(n,r,"y"))&&this._fire("scaling",a):"skewX"===s?(o=this._skewObject(n,r,"x"))&&this._fire("skewing",a):"skewY"===s?(o=this._skewObject(n,r,"y"))&&this._fire("skewing",a):(o=this._translateObject(n,r))&&(this._fire("moving",a),this.setCursor(a.target.moveCursor||this.moveCursor)),e.actionPerformed=e.actionPerformed||o},_fire:function(t,e){this.fire("object:"+t,e),e.target.fire(t,e)},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,i,n){return this._isUniscalePossible(t,e.target)?(e.currentAction="scale",this._scaleObject(i,n)):(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(i,n,"equally"))},_isUniscalePossible:function(t,e){return(t[this.uniScaleKey]||this.uniScaleTransform)&&!e.get("lockUniScaling")},_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor,n=this._activeObject&&"activeSelection"===this._activeObject.type?this._activeObject:null,r=(!n||!n.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));r?this.setCursor(this.getCornerCursor(r,e,t)):(e.subTargetCheck&&this.targets.concat().reverse().map((function(t){i=t.hoverCursor||i})),this.setCursor(i))},getCornerCursor:function(e,i,n){return this.actionIsDisabled(e,i,n)?this.notAllowedCursor:e in t?this._getRotatedCornerCursor(e,i,n):"mtr"===e&&i.hasRotatingPoint?this.rotationCursor:this.defaultCursor},actionIsDisabled:function(t,e,i){return"mt"===t||"mb"===t?i[this.altActionKey]?e.lockSkewingX:e.lockScalingY:"ml"===t||"mr"===t?i[this.altActionKey]?e.lockSkewingY:e.lockScalingX:"mtr"===t?e.lockRotation:this._isUniscalePossible(i,e)?e.lockScalingX&&e.lockScalingY:e.lockScalingX||e.lockScalingY},_getRotatedCornerCursor:function(e,i,n){var r=Math.round(i.angle%360/45);return r<0&&(r+=8),r+=t[e],n[this.altActionKey]&&t[e]%2==0&&(r+=2),r%=8,this.cursorMap[r]}})}(),m=Math.min,v=Math.max,C.util.object.extend(C.Canvas.prototype,{_shouldGroup:function(t,e){var i=this._activeObject;return i&&this._isSelectionKeyPressed(t)&&e&&e.selectable&&this.selection&&(i!==e||"activeSelection"===i.type)&&!e.onSelect({e:t})},_handleGrouping:function(t,e){var i=this._activeObject;i.__corner||(e!==i||(e=this.findTarget(t,!0))&&e.selectable)&&(i&&"activeSelection"===i.type?this._updateActiveSelection(e,t):this._createActiveSelection(e,t))},_updateActiveSelection:function(t,e){var i=this._activeObject,n=i._objects.slice(0);i.contains(t)?(i.removeWithUpdate(t),this._hoveredTarget=t,this._hoveredTargets=this.targets.concat(),1===i.size()&&this._setActiveObject(i.item(0),e)):(i.addWithUpdate(t),this._hoveredTarget=i,this._hoveredTargets=this.targets.concat()),this._fireSelectionEvents(n,e)},_createActiveSelection:function(t,e){var i=this.getActiveObjects(),n=this._createGroup(t);this._hoveredTarget=n,this._setActiveObject(n,e),this._fireSelectionEvents(i,e)},_createGroup:function(t){var e=this._objects,i=e.indexOf(this._activeObject)<e.indexOf(t)?[this._activeObject,t]:[t,this._activeObject];return this._activeObject.isEditing&&this._activeObject.exitEditing(),new C.ActiveSelection(i,{canvas:this})},_groupSelectedObjects:function(t){var e,i=this._collectObjects(t);1===i.length?this.setActiveObject(i[0],t):i.length>1&&(e=new C.ActiveSelection(i.reverse(),{canvas:this}),this.setActiveObject(e,t))},_collectObjects:function(t){for(var e,i=[],n=this._groupSelector.ex,r=this._groupSelector.ey,s=n+this._groupSelector.left,o=r+this._groupSelector.top,a=new C.Point(m(n,s),m(r,o)),h=new C.Point(v(n,s),v(r,o)),c=!this.selectionFullyContained,l=n===s&&r===o,u=this._objects.length;u--&&!((e=this._objects[u])&&e.selectable&&e.visible&&(c&&e.intersectsWithRect(a,h)||e.isContainedWithinRect(a,h)||c&&e.containsPoint(a)||c&&e.containsPoint(h))&&(i.push(e),l)););return i.length>1&&(i=i.filter((function(e){return!e.onSelect({e:t})}))),i},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t),this.setCursor(this.defaultCursor),this._groupSelector=null}}),C.util.object.extend(C.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,n=(t.multiplier||1)*(t.enableRetinaScaling?this.getRetinaScaling():1),r=this.toCanvasElement(n,t);return C.util.toDataURL(r,e,i)},toCanvasElement:function(t,e){t=t||1;var i=((e=e||{}).width||this.width)*t,n=(e.height||this.height)*t,r=this.getZoom(),s=this.width,o=this.height,a=r*t,h=this.viewportTransform,c=(h[4]-(e.left||0))*t,l=(h[5]-(e.top||0))*t,u=this.interactive,f=[a,0,0,a,c,l],d=this.enableRetinaScaling,p=C.util.createCanvasElement(),g=this.contextTop;return p.width=i,p.height=n,this.contextTop=null,this.enableRetinaScaling=!1,this.interactive=!1,this.viewportTransform=f,this.width=i,this.height=n,this.calcViewportBoundaries(),this.renderCanvas(p.getContext("2d"),this._objects),this.viewportTransform=h,this.width=s,this.height=o,this.calcViewportBoundaries(),this.interactive=u,this.enableRetinaScaling=d,this.contextTop=g,p}}),C.util.object.extend(C.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,i){return this.loadFromJSON(t,e,i)},loadFromJSON:function(t,e,i){if(t){var n="string"==typeof t?JSON.parse(t):C.util.object.clone(t),r=this,s=n.clipPath,o=this.renderOnAddRemove;return this.renderOnAddRemove=!1,delete n.clipPath,this._enlivenObjects(n.objects,(function(t){r.clear(),r._setBgOverlay(n,(function(){s?r._enlivenObjects([s],(function(i){r.clipPath=i[0],r.__setupCanvas.call(r,n,t,o,e)})):r.__setupCanvas.call(r,n,t,o,e)}))}),i),this}},__setupCanvas:function(t,e,i,n){var r=this;e.forEach((function(t,e){r.insertAt(t,e)})),this.renderOnAddRemove=i,delete t.objects,delete t.backgroundImage,delete t.overlayImage,delete t.background,delete t.overlay,this._setOptions(t),this.renderAll(),n&&n()},_setBgOverlay:function(t,e){var i={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(t.backgroundImage||t.overlayImage||t.background||t.overlay){var n=function(){i.backgroundImage&&i.overlayImage&&i.backgroundColor&&i.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,i,n),this.__setBgOverlay("overlayImage",t.overlayImage,i,n),this.__setBgOverlay("backgroundColor",t.background,i,n),this.__setBgOverlay("overlayColor",t.overlay,i,n)}else e&&e()},__setBgOverlay:function(t,e,i,n){var r=this;if(!e)return i[t]=!0,void(n&&n());"backgroundImage"===t||"overlayImage"===t?C.util.enlivenObjects([e],(function(e){r[t]=e[0],i[t]=!0,n&&n()})):this["set"+C.util.string.capitalize(t,!0)](e,(function(){i[t]=!0,n&&n()}))},_enlivenObjects:function(t,e,i){t&&0!==t.length?C.util.enlivenObjects(t,(function(t){e&&e(t)}),null,i):e&&e([])},_toDataURL:function(t,e){this.clone((function(i){e(i.toDataURL(t))}))},_toDataURLWithMultiplier:function(t,e,i){this.clone((function(n){i(n.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=C.util.createCanvasElement();e.width=this.width,e.height=this.height;var i=new C.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,n=e.util.object.clone,r=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=e.StaticCanvas.supports("setLineDash"),h=!e.isLikelyNode;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeDashOffset:0,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:4,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:0,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:h,statefullCache:!1,noScaleCache:!0,strokeUniform:!1,dirty:!0,__corner:0,paintFirst:"fill",stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY fillRule paintFirst clipPath strokeUniform".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height paintFirst strokeUniform strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit backgroundColor clipPath".split(" "),clipPath:void 0,inverted:!1,absolutePositioned:!1,initialize:function(t){t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.util.createCanvasElement(),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas(),this.dirty=!0},_limitCacheSize:function(t){var i=e.perfLimitSizeTotal,n=t.width,r=t.height,s=e.maxCacheSideLimit,o=e.minCacheSideLimit;if(n<=s&&r<=s&&n*r<=i)return n<o&&(t.width=o),r<o&&(t.height=o),t;var a=n/r,h=e.util.limitDimsByArea(a,i),c=e.util.capValue,l=c(o,h.x,s),u=c(o,h.y,s);return n>l&&(t.zoomX/=n/l,t.width=l,t.capped=!0),r>u&&(t.zoomY/=r/u,t.height=u,t.capped=!0),t},_getCacheCanvasDimensions:function(){var t=this.getTotalObjectScaling(),e=this._getTransformedDimensions(0,0),i=e.x*t.scaleX/this.scaleX,n=e.y*t.scaleY/this.scaleY;return{width:i+2,height:n+2,zoomX:t.scaleX,zoomY:t.scaleY,x:i,y:n}},_updateCacheCanvas:function(){var t=this.canvas;if(this.noScaleCache&&t&&t._currentTransform){var i=t._currentTransform.target,n=t._currentTransform.action;if(this===i&&n.slice&&"scale"===n.slice(0,5))return!1}var r,s,o=this._cacheCanvas,a=this._limitCacheSize(this._getCacheCanvasDimensions()),h=e.minCacheSideLimit,c=a.width,l=a.height,u=a.zoomX,f=a.zoomY,d=c!==this.cacheWidth||l!==this.cacheHeight,p=this.zoomX!==u||this.zoomY!==f,g=d||p,m=0,v=0,b=!1;if(d){var y=this._cacheCanvas.width,_=this._cacheCanvas.height,x=c>y||l>_;b=x||(c<.9*y||l<.9*_)&&y>h&&_>h,x&&!a.capped&&(c>h||l>h)&&(m=.1*c,v=.1*l)}return!!g&&(b?(o.width=Math.ceil(c+m),o.height=Math.ceil(l+v)):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,o.width,o.height)),r=a.x/2,s=a.y/2,this.cacheTranslationX=Math.round(o.width/2-r)+r,this.cacheTranslationY=Math.round(o.height/2-s)+s,this.cacheWidth=c,this.cacheHeight=l,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(u,f),this.zoomX=u,this.zoomY=f,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initClipping(t),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t){var e;e=this.group&&!this.group._transformDone?this.calcTransformMatrix():this.calcOwnMatrix(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5])},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,n={type:this.type,version:e.version,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?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeDashOffset:this.strokeDashOffset,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:r(this.strokeMiterLimit,i),scaleX:r(this.scaleX,i),scaleY:r(this.scaleY,i),angle:r(this.angle,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,paintFirst:this.paintFirst,globalCompositeOperation:this.globalCompositeOperation,transformMatrix:this.transformMatrix?this.transformMatrix.concat():null,skewX:r(this.skewX,i),skewY:r(this.skewY,i)};return this.clipPath&&(n.clipPath=this.clipPath.toObject(t),n.clipPath.inverted=this.clipPath.inverted,n.clipPath.absolutePositioned=this.clipPath.absolutePositioned),e.util.populateWithProperties(this,n,t),this.includeDefaultValues||(n=this._removeDefaultValues(n)),n},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype;return i.stateProperties.forEach((function(e){"left"!==e&&"top"!==e&&(t[e]===i[e]&&delete t[e],"[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(i[e])&&0===t[e].length&&0===i[e].length&&delete t[e])})),t},toString:function(){return"#<fabric."+s(this.type)+">"},getObjectScaling:function(){var t=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},getTotalObjectScaling:function(){var t=this.getObjectScaling(),e=t.scaleX,i=t.scaleY;if(this.canvas){var n=this.canvas.getZoom(),r=this.canvas.getRetinaScaling();e*=n*r,i*=n*r}return{scaleX:e,scaleY:i}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){var n="scaleX"===t||"scaleY"===t,r=this[t]!==i,s=!1;return n&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,r&&(s=this.group&&this.group.isOnACache(),this.cacheProperties.indexOf(t)>-1?(this.dirty=!0,s&&this.group.set("dirty",!0)):s&&this.stateProperties.indexOf(t)>-1&&this.group.set("dirty",!0)),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||0===this.width&&0===this.height&&0===this.strokeWidth||!this.visible},render:function(t){this.isNotVisible()||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.clipTo&&e.util.clipContext(this,t),this.shouldCache()?(this.renderCache(),this.drawCacheOnCanvas(t)):(this._removeCacheCanvas(),this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),this.clipTo&&t.restore(),t.restore())},renderCache:function(t){t=t||{},this._cacheCanvas||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext,t.forClipping),this.dirty=!1)},_removeCacheCanvas:function(){this._cacheCanvas=null,this.cacheWidth=0,this.cacheHeight=0},hasStroke:function(){return this.stroke&&"transparent"!==this.stroke&&0!==this.strokeWidth},hasFill:function(){return this.fill&&"transparent"!==this.fill},needsItsOwnCache:function(){return!("stroke"!==this.paintFirst||!this.hasFill()||!this.hasStroke()||"object"!=typeof this.shadow)||!!this.clipPath},shouldCache:function(){return this.ownCaching=this.needsItsOwnCache()||this.objectCaching&&(!this.group||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawClipPathOnCache:function(t){var i=this.clipPath;if(t.save(),i.inverted?t.globalCompositeOperation="destination-out":t.globalCompositeOperation="destination-in",i.absolutePositioned){var n=e.util.invertTransform(this.calcTransformMatrix());t.transform(n[0],n[1],n[2],n[3],n[4],n[5])}i.transform(t),t.scale(1/i.zoomX,1/i.zoomY),t.drawImage(i._cacheCanvas,-i.cacheTranslationX,-i.cacheTranslationY),t.restore()},drawObject:function(t,e){var i=this.fill,n=this.stroke;e?(this.fill="black",this.stroke="",this._setClippingProperties(t)):(this._renderBackground(t),this._setStrokeStyles(t,this),this._setFillStyles(t,this)),this._render(t),this._drawClipPath(t),this.fill=i,this.stroke=n},_drawClipPath:function(t){var e=this.clipPath;e&&(e.canvas=this.canvas,e.shouldCache(),e._transformDone=!0,e.renderCache({forClipping:!0}),this.drawClipPathOnCache(t))},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(t){if(this.isNotVisible())return!1;if(this._cacheCanvas&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.clipPath&&this.clipPath.absolutePositioned||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group._transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){e.stroke&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineDashOffset=e.strokeDashOffset,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,t.strokeStyle=e.stroke.toLive?e.stroke.toLive(t,this):e.stroke)},_setFillStyles:function(t,e){e.fill&&(t.fillStyle=e.fill.toLive?e.fill.toLive(t,this):e.fill)},_setClippingProperties:function(t){t.globalAlpha=1,t.strokeStyle="transparent",t.fillStyle="#000000"},_setLineDash:function(t,e,i){e&&0!==e.length&&(1&e.length&&e.push.apply(e,e),a?t.setLineDash(e):i&&i(t))},_renderControls:function(t,i){var n,r,s,a=this.getViewportTransform(),h=this.calcTransformMatrix();r=void 0!==(i=i||{}).hasBorders?i.hasBorders:this.hasBorders,s=void 0!==i.hasControls?i.hasControls:this.hasControls,h=e.util.multiplyTransformMatrices(a,h),n=e.util.qrDecompose(h),t.save(),t.translate(n.translateX,n.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),i.forActiveSelection?(t.rotate(o(n.angle)),r&&this.drawBordersInGroup(t,n,i)):(t.rotate(o(this.angle)),r&&this.drawBorders(t,i)),s&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i,n=this.shadow,r=this.canvas,s=r&&r.viewportTransform[0]||1,o=r&&r.viewportTransform[3]||1;i=n.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),r&&r._isRetinaScaling()&&(s*=e.devicePixelRatio,o*=e.devicePixelRatio),t.shadowColor=n.color,t.shadowBlur=n.blur*e.browserShadowBlurConstant*(s+o)*(i.scaleX+i.scaleY)/4,t.shadowOffsetX=n.offsetX*s*i.scaleX,t.shadowOffsetY=n.offsetY*o*i.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(!e||!e.toLive)return{offsetX:0,offsetY:0};var i=e.gradientTransform||e.patternTransform,n=-this.width/2+e.offsetX||0,r=-this.height/2+e.offsetY||0;return"percentage"===e.gradientUnits?t.transform(this.width,0,0,this.height,n,r):t.transform(1,0,0,1,n,r),i&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),{offsetX:n,offsetY:r}},_renderPaintInOrder:function(t){"stroke"===this.paintFirst?(this._renderStroke(t),this._renderFill(t)):(this._renderFill(t),this._renderStroke(t))},_render:function(){},_renderFill:function(t){this.fill&&(t.save(),this._applyPatternGradientTransform(t,this.fill),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){this.stroke&&0!==this.strokeWidth&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this.strokeUniform&&t.scale(1/this.scaleX,1/this.scaleY),this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this.stroke.toLive&&"percentage"===this.stroke.gradientUnits?this._applyPatternForTransformedGradient(t,this.stroke):this._applyPatternGradientTransform(t,this.stroke),t.stroke(),t.restore())},_applyPatternForTransformedGradient:function(t,i){var n,r=this._limitCacheSize(this._getCacheCanvasDimensions()),s=e.util.createCanvasElement(),o=this.canvas.getRetinaScaling(),a=r.x/this.scaleX/o,h=r.y/this.scaleY/o;s.width=a,s.height=h,(n=s.getContext("2d")).beginPath(),n.moveTo(0,0),n.lineTo(a,0),n.lineTo(a,h),n.lineTo(0,h),n.closePath(),n.translate(a/2,h/2),n.scale(r.zoomX/this.scaleX/o,r.zoomY/this.scaleY/o),this._applyPatternGradientTransform(n,i),n.fillStyle=i.toLive(t),n.fill(),t.translate(-this.width/2-this.strokeWidth/2,-this.height/2-this.strokeWidth/2),t.scale(o*this.scaleX/r.zoomX,o*this.scaleY/r.zoomY),t.strokeStyle=n.createPattern(s,"no-repeat")},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_assignTransformMatrixProps:function(){if(this.transformMatrix){var t=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",t.scaleX),this.set("scaleY",t.scaleY),this.angle=t.angle,this.skewX=t.skewX,this.skewY=0}},_removeTransformMatrix:function(t){var i=this._findCenterFromElement();this.transformMatrix&&(this._assignTransformMatrixProps(),i=e.util.transformPoint(i,this.transformMatrix)),this.transformMatrix=null,t&&(this.scaleX*=t.scaleX,this.scaleY*=t.scaleY,this.cropX=t.cropX,this.cropY=t.cropY,i.x+=t.offsetLeft,i.y+=t.offsetTop,this.width=t.width,this.height=t.height),this.setPositionByOrigin(i,"center","center")},clone:function(t,i){var n=this.toObject(i);this.constructor.fromObject?this.constructor.fromObject(n,t):e.Object._fromObject("Object",n,t)},cloneAsImage:function(t,i){var n=this.toCanvasElement(i);return t&&t(new e.Image(n)),this},toCanvasElement:function(t){t||(t={});var i=e.util,n=i.saveObjectTransform(this),r=this.group,s=this.shadow,o=Math.abs,a=(t.multiplier||1)*(t.enableRetinaScaling?e.devicePixelRatio:1);delete this.group,t.withoutTransform&&i.resetObjectTransform(this),t.withoutShadow&&(this.shadow=null);var h,c,l,u,f=e.util.createCanvasElement(),d=this.getBoundingRect(!0,!0),p=this.shadow,g={x:0,y:0};p&&(c=p.blur,h=p.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),g.x=2*Math.round(o(p.offsetX)+c)*o(h.scaleX),g.y=2*Math.round(o(p.offsetY)+c)*o(h.scaleY)),l=d.width+g.x,u=d.height+g.y,f.width=Math.ceil(l),f.height=Math.ceil(u);var m=new e.StaticCanvas(f,{enableRetinaScaling:!1,renderOnAddRemove:!1,skipOffscreen:!1});"jpeg"===t.format&&(m.backgroundColor="#fff"),this.setPositionByOrigin(new e.Point(m.width/2,m.height/2),"center","center");var v=this.canvas;m.add(this);var b=m.toCanvasElement(a||1,t);return this.shadow=s,this.canvas=v,r&&(this.group=r),this.set(n).setCoords(),m._objects=[],m.dispose(),m=null,b},toDataURL:function(t){return t||(t={}),e.util.toDataURL(this.toCanvasElement(t),t.format||"png",t.quality||1)},isType:function(t){return this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var n={colorStops:[]};return n.type=i.type||(i.r1||i.r2?"radial":"linear"),n.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},n.gradientUnits=i.gradientUnits||"pixels",(i.r1||i.r2)&&(n.coords.r1=i.r1,n.coords.r2=i.r2),n.gradientTransform=i.gradientTransform,e.Gradient.prototype.addColorStop.call(n,i.colorStops),this.set(t,e.Gradient.forObject(this,n))},setPatternFill:function(t,i){return this.set("fill",new e.Pattern(t,i))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},rotate:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var n=new e.Point(i.x,i.y),r=this._getLeftTopCoords();return this.angle&&(n=e.util.rotatePoint(n,r,o(-this.angle))),{x:n.x-r.x,y:n.y-r.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),e.util.createAccessors&&e.util.createAccessors(e.Object),i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object._fromObject=function(t,i,r,s){var o=e[t];i=n(i,!0),e.util.enlivenPatterns([i.fill,i.stroke],(function(t){void 0!==t[0]&&(i.fill=t[0]),void 0!==t[1]&&(i.stroke=t[1]),e.util.enlivenObjects([i.clipPath],(function(t){i.clipPath=t[0];var e=s?new o(i[s],i):new o(i);r&&r(e)}))}))},e.Object.__uid=0)}(e),b=C.util.degreesToRadians,y={left:-.5,center:0,right:.5},_={top:-.5,center:0,bottom:.5},C.util.object.extend(C.Object.prototype,{translateToGivenOrigin:function(t,e,i,n,r){var s,o,a,h=t.x,c=t.y;return"string"==typeof e?e=y[e]:e-=.5,"string"==typeof n?n=y[n]:n-=.5,"string"==typeof i?i=_[i]:i-=.5,"string"==typeof r?r=_[r]:r-=.5,o=r-i,((s=n-e)||o)&&(a=this._getTransformedDimensions(),h=t.x+s*a.x,c=t.y+o*a.y),new C.Point(h,c)},translateToCenterPoint:function(t,e,i){var n=this.translateToGivenOrigin(t,e,i,"center","center");return this.angle?C.util.rotatePoint(n,t,b(this.angle)):n},translateToOriginPoint:function(t,e,i){var n=this.translateToGivenOrigin(t,"center","center",e,i);return this.angle?C.util.rotatePoint(n,t,b(this.angle)):n},getCenterPoint:function(){var t=new C.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(t,e,i){var n,r,s=this.getCenterPoint();return n=void 0!==e&&void 0!==i?this.translateToGivenOrigin(s,"center","center",e,i):new C.Point(this.left,this.top),r=new C.Point(t.x,t.y),this.angle&&(r=C.util.rotatePoint(r,s,-b(this.angle))),r.subtractEquals(n)},setPositionByOrigin:function(t,e,i){var n=this.translateToCenterPoint(t,e,i),r=this.translateToOriginPoint(n,this.originX,this.originY);this.set("left",r.x),this.set("top",r.y)},adjustPosition:function(t){var e,i,n=b(this.angle),r=this.getScaledWidth(),s=C.util.cos(n)*r,o=C.util.sin(n)*r;e="string"==typeof this.originX?y[this.originX]:this.originX-.5,i="string"==typeof t?y[t]:t-.5,this.left+=s*(i-e),this.top+=o*(i-e),this.setCoords(),this.originX=t},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")}}),function(){var t=C.util.degreesToRadians,e=C.util.multiplyTransformMatrices,i=C.util.transformPoint;C.util.object.extend(C.Object.prototype,{oCoords:null,aCoords:null,ownMatrixCache:null,matrixCache:null,getCoords:function(t,e){this.oCoords||this.setCoords();var i=t?this.aCoords:this.oCoords;return function(t){return[new C.Point(t.tl.x,t.tl.y),new C.Point(t.tr.x,t.tr.y),new C.Point(t.br.x,t.br.y),new C.Point(t.bl.x,t.bl.y)]}(e?this.calcCoords(t):i)},intersectsWithRect:function(t,e,i,n){var r=this.getCoords(i,n);return"Intersection"===C.Intersection.intersectPolygonRectangle(r,t,e).status},intersectsWithObject:function(t,e,i){return"Intersection"===C.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i)).status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var n=this.getCoords(e,i),r=0,s=t._getImageLines(i?t.calcCoords(e):e?t.aCoords:t.oCoords);r<4;r++)if(!t.containsPoint(n[r],s))return!1;return!0},isContainedWithinRect:function(t,e,i,n){var r=this.getBoundingRect(i,n);return r.left>=t.x&&r.left+r.width<=e.x&&r.top>=t.y&&r.top+r.height<=e.y},containsPoint:function(t,e,i,n){e=e||this._getImageLines(n?this.calcCoords(i):i?this.aCoords:this.oCoords);var r=this._findCrossPoints(t,e);return 0!==r&&r%2==1},isOnScreen:function(t){if(!this.canvas)return!1;for(var e,i=this.canvas.vptCoords.tl,n=this.canvas.vptCoords.br,r=this.getCoords(!0,t),s=0;s<4;s++)if((e=r[s]).x<=n.x&&e.x>=i.x&&e.y<=n.y&&e.y>=i.y)return!0;return!!this.intersectsWithRect(i,n,!0,t)||this._containsCenterOfCanvas(i,n,t)},_containsCenterOfCanvas:function(t,e,i){var n={x:(t.x+e.x)/2,y:(t.y+e.y)/2};return!!this.containsPoint(n,null,!0,i)},isPartiallyOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;return!!this.intersectsWithRect(e,i,!0,t)||this._containsCenterOfCanvas(e,i,t)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,n,r,s=0;for(var o in e)if(!((r=e[o]).o.y<t.y&&r.d.y<t.y||r.o.y>=t.y&&r.d.y>=t.y||(r.o.x===r.d.x&&r.o.x>=t.x?n=r.o.x:(0,i=(r.d.y-r.o.y)/(r.d.x-r.o.x),n=-(t.y-0*t.x-(r.o.y-i*r.o.x))/(0-i)),n>=t.x&&(s+=1),2!==s)))break;return s},getBoundingRect:function(t,e){var i=this.getCoords(t,e);return C.util.makeBoundingBoxFromPoints(i)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)<this.minScaleLimit?t<0?-this.minScaleLimit:this.minScaleLimit:0===t?1e-4:t},scale:function(t){return this._set("scaleX",t),this._set("scaleY",t),this.setCoords()},scaleToWidth:function(t,e){var i=this.getBoundingRect(e).width/this.getScaledWidth();return this.scale(t/this.width/i)},scaleToHeight:function(t,e){var i=this.getBoundingRect(e).height/this.getScaledHeight();return this.scale(t/this.height/i)},calcCoords:function(n){var r=this._calcRotateMatrix(),s=this._calcTranslateMatrix(),o=e(s,r),a=this.getViewportTransform(),h=n?o:e(a,o),c=this._getTransformedDimensions(),l=c.x/2,u=c.y/2,f=i({x:-l,y:-u},h),d=i({x:l,y:-u},h),p=i({x:-l,y:u},h),g=i({x:l,y:u},h);if(!n){var m=this.padding,v=t(this.angle),b=C.util.cos(v),y=C.util.sin(v),_=b*m,x=y*m,S=_+x,w=_-x;m&&(f.x-=w,f.y-=S,d.x+=S,d.y-=w,p.x-=S,p.y+=w,g.x+=w,g.y+=S);var T=new C.Point((f.x+p.x)/2,(f.y+p.y)/2),O=new C.Point((d.x+f.x)/2,(d.y+f.y)/2),E=new C.Point((g.x+d.x)/2,(g.y+d.y)/2),P=new C.Point((g.x+p.x)/2,(g.y+p.y)/2),k=new C.Point(O.x+y*this.rotatingPointOffset,O.y-b*this.rotatingPointOffset)}var A={tl:f,tr:d,br:g,bl:p};return n||(A.ml=T,A.mt=O,A.mr=E,A.mb=P,A.mtr=k),A},setCoords:function(t,e){return this.oCoords=this.calcCoords(t),e||(this.aCoords=this.calcCoords(!0)),t||this._setCornerCoords&&this._setCornerCoords(),this},_calcRotateMatrix:function(){return C.util.calcRotateMatrix(this)},_calcTranslateMatrix:function(){var t=this.getCenterPoint();return[1,0,0,1,t.x,t.y]},transformMatrixKey:function(t){var e="";return!t&&this.group&&(e=this.group.transformMatrixKey(t)+"_"),e+this.top+"_"+this.left+"_"+this.scaleX+"_"+this.scaleY+"_"+this.skewX+"_"+this.skewY+"_"+this.angle+"_"+this.originX+"_"+this.originY+"_"+this.width+"_"+this.height+"_"+this.strokeWidth+this.flipX+this.flipY},calcTransformMatrix:function(t){if(t)return this.calcOwnMatrix();var i=this.transformMatrixKey(),n=this.matrixCache||(this.matrixCache={});if(n.key===i)return n.value;var r=this.calcOwnMatrix();return this.group&&(r=e(this.group.calcTransformMatrix(),r)),n.key=i,n.value=r,r},calcOwnMatrix:function(){var t=this.transformMatrixKey(!0),e=this.ownMatrixCache||(this.ownMatrixCache={});if(e.key===t)return e.value;var i=this._calcTranslateMatrix();return this.translateX=i[4],this.translateY=i[5],e.key=t,e.value=C.util.composeMatrix(this),e.value},_calcDimensionsTransformMatrix:function(t,e,i){return C.util.calcDimensionsMatrix({skewX:t,skewY:e,scaleX:this.scaleX*(i&&this.flipX?-1:1),scaleY:this.scaleY*(i&&this.flipY?-1:1)})},_getNonTransformedDimensions:function(){var t=this.strokeWidth;return{x:this.width+t,y:this.height+t}},_getTransformedDimensions:function(t,e){void 0===t&&(t=this.skewX),void 0===e&&(e=this.skewY);var i,n,r=this._getNonTransformedDimensions(),s=0===t&&0===e;if(this.strokeUniform?(i=this.width,n=this.height):(i=r.x,n=r.y),s)return this._finalizeDimensions(i*this.scaleX,n*this.scaleY);var o=[{x:-(i/=2),y:-(n/=2)},{x:i,y:-n},{x:-i,y:n},{x:i,y:n}],a=C.util.calcDimensionsMatrix({scaleX:this.scaleX,scaleY:this.scaleY,skewX:t,skewY:e}),h=C.util.makeBoundingBoxFromPoints(o,a);return this._finalizeDimensions(h.width,h.height)},_finalizeDimensions:function(t,e){return this.strokeUniform?{x:t+this.strokeWidth,y:e+this.strokeWidth}:{x:t,y:e}},_calculateCurrentDimensions:function(){var t=this.getViewportTransform(),e=this._getTransformedDimensions();return C.util.transformPoint(e,t,!0).scalarAdd(2*this.padding)}})}(),C.util.object.extend(C.Object.prototype,{sendToBack:function(){return this.group?C.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?C.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?C.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?C.StaticCanvas.prototype.bringForward.call(this.group,this,t):this.canvas.bringForward(this,t),this},moveTo:function(t){return this.group&&"activeSelection"!==this.group.type?C.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas.moveTo(this,t),this}}),function(){function t(t,e){if(e){if(e.toLive)return t+": url(#SVGID_"+e.id+"); ";var i=new C.Color(e),n=t+": "+i.toRgb()+"; ",r=i.getAlpha();return 1!==r&&(n+=t+"-opacity: "+r.toString()+"; "),n}return t+": none; "}var e=C.util.toFixed;C.util.object.extend(C.Object.prototype,{getSvgStyles:function(e){var i=this.fillRule?this.fillRule:"nonzero",n=this.strokeWidth?this.strokeWidth:"0",r=this.strokeDashArray?this.strokeDashArray.join(" "):"none",s=this.strokeDashOffset?this.strokeDashOffset:"0",o=this.strokeLineCap?this.strokeLineCap:"butt",a=this.strokeLineJoin?this.strokeLineJoin:"miter",h=this.strokeMiterLimit?this.strokeMiterLimit:"4",c=void 0!==this.opacity?this.opacity:"1",l=this.visible?"":" visibility: hidden;",u=e?"":this.getSvgFilter(),f=t("fill",this.fill);return[t("stroke",this.stroke),"stroke-width: ",n,"; ","stroke-dasharray: ",r,"; ","stroke-linecap: ",o,"; ","stroke-dashoffset: ",s,"; ","stroke-linejoin: ",a,"; ","stroke-miterlimit: ",h,"; ",f,"fill-rule: ",i,"; ","opacity: ",c,";",u,l].join("")},getSvgSpanStyles:function(e,i){var n=e.fontFamily?"font-family: "+(-1===e.fontFamily.indexOf("'")&&-1===e.fontFamily.indexOf('"')?"'"+e.fontFamily+"'":e.fontFamily)+"; ":"",r=e.strokeWidth?"stroke-width: "+e.strokeWidth+"; ":"",s=(n=n,e.fontSize?"font-size: "+e.fontSize+"px; ":""),o=e.fontStyle?"font-style: "+e.fontStyle+"; ":"",a=e.fontWeight?"font-weight: "+e.fontWeight+"; ":"",h=e.fill?t("fill",e.fill):"",c=e.stroke?t("stroke",e.stroke):"",l=this.getSvgTextDecoration(e);return l&&(l="text-decoration: "+l+"; "),[c,r,n,s,o,a,l,h,e.deltaY?"baseline-shift: "+-e.deltaY+"; ":"",i?"white-space: pre; ":""].join("")},getSvgTextDecoration:function(t){return"overline"in t||"underline"in t||"linethrough"in t?(t.overline?"overline ":"")+(t.underline?"underline ":"")+(t.linethrough?"line-through ":""):""},getSvgFilter:function(){return this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":""},getSvgCommons:function(){return[this.id?'id="'+this.id+'" ':"",this.clipPath?'clip-path="url(#'+this.clipPath.clipPathId+')" ':""].join("")},getSvgTransform:function(t,e){var i=t?this.calcTransformMatrix():this.calcOwnMatrix();return'transform="'+C.util.matrixToSVG(i)+(e||"")+this.getSvgTransformMatrix()+'" '},getSvgTransformMatrix:function(){return this.transformMatrix?" "+C.util.matrixToSVG(this.transformMatrix):""},_setSVGBg:function(t){if(this.backgroundColor){var i=C.Object.NUM_FRACTION_DIGITS;t.push("\t\t<rect ",this._getFillAttributes(this.backgroundColor),' x="',e(-this.width/2,i),'" y="',e(-this.height/2,i),'" width="',e(this.width,i),'" height="',e(this.height,i),'"></rect>\n')}},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(t),{reviver:t})},toClipPathSVG:function(t){return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(t),{reviver:t})},_createBaseClipPathSVGMarkup:function(t,e){var i=(e=e||{}).reviver,n=e.additionalTransform||"",r=[this.getSvgTransform(!0,n),this.getSvgCommons()].join(""),s=t.indexOf("COMMON_PARTS");return t[s]=r,i?i(t.join("")):t.join("")},_createBaseSVGMarkup:function(t,e){var i,n,r=(e=e||{}).noStyle,s=e.reviver,o=r?"":'style="'+this.getSvgStyles()+'" ',a=e.withShadow?'style="'+this.getSvgFilter()+'" ':"",h=this.clipPath,c=this.strokeUniform?'vector-effect="non-scaling-stroke" ':"",l=h&&h.absolutePositioned,u=this.stroke,f=this.fill,d=this.shadow,p=[],g=t.indexOf("COMMON_PARTS"),m=e.additionalTransform;return h&&(h.clipPathId="CLIPPATH_"+C.Object.__uid++,n='<clipPath id="'+h.clipPathId+'" >\n'+h.toClipPathSVG(s)+"</clipPath>\n"),l&&p.push("<g ",a,this.getSvgCommons()," >\n"),p.push("<g ",this.getSvgTransform(!1),l?"":a+this.getSvgCommons()," >\n"),i=[o,c,r?"":this.addPaintOrder()," ",m?'transform="'+m+'" ':""].join(""),t[g]=i,f&&f.toLive&&p.push(f.toSVG(this)),u&&u.toLive&&p.push(u.toSVG(this)),d&&p.push(d.toSVG(this)),h&&p.push(n),p.push(t.join("")),p.push("</g>\n"),l&&p.push("</g>\n"),s?s(p.join("")):p.join("")},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order="'+this.paintFirst+'" ':""}})}(),function(){var t=C.util.object.extend;function e(e,i,n){var r={};n.forEach((function(t){r[t]=e[t]})),t(e[i],r,!0)}C.util.object.extend(C.Object.prototype,{hasStateChanged:function(t){var e="_"+(t=t||"stateProperties");return Object.keys(this[e]).length<this[t].length||!function t(e,i,n){if(e===i)return!0;if(Array.isArray(e)){if(!Array.isArray(i)||e.length!==i.length)return!1;for(var r=0,s=e.length;r<s;r++)if(!t(e[r],i[r]))return!1;return!0}if(e&&"object"==typeof e){var o,a=Object.keys(e);if(!i||"object"!=typeof i||!n&&a.length!==Object.keys(i).length)return!1;for(r=0,s=a.length;r<s;r++)if("canvas"!==(o=a[r])&&!t(e[o],i[o]))return!1;return!0}}(this[e],this,!0)},saveState:function(t){var i=t&&t.propertySet||"stateProperties",n="_"+i;return this[n]?(e(this,n,this[i]),t&&t.stateProperties&&e(this,n,t.stateProperties),this):this.setupState(t)},setupState:function(t){var e=(t=t||{}).propertySet||"stateProperties";return t.propertySet=e,this["_"+e]={},this.saveState(t),this}})}(),function(){var t=C.util.degreesToRadians;C.util.object.extend(C.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(t){if(!this.hasControls||this.group||!this.canvas||this.canvas._activeObject!==this)return!1;var e,i,n=t.x,r=t.y;for(var s in this.__corner=0,this.oCoords)if(this.isControlVisible(s)&&("mtr"!==s||this.hasRotatingPoint)&&(!this.get("lockUniScaling")||"mt"!==s&&"mr"!==s&&"mb"!==s&&"ml"!==s)&&(i=this._getImageLines(this.oCoords[s].corner),0!==(e=this._findCrossPoints({x:n,y:r},i))&&e%2==1))return this.__corner=s,s;return!1},_setCornerCoords:function(){var e,i,n=this.oCoords,r=t(45-this.angle),s=.707106*this.cornerSize,o=s*C.util.cos(r),a=s*C.util.sin(r);for(var h in n)e=n[h].x,i=n[h].y,n[h].corner={tl:{x:e-a,y:i-o},tr:{x:e+o,y:i-a},bl:{x:e-o,y:i+a},br:{x:e+a,y:i+o}}},drawSelectionBackground:function(e){if(!this.selectionBackgroundColor||this.canvas&&!this.canvas.interactive||this.canvas&&this.canvas._activeObject!==this)return this;e.save();var i=this.getCenterPoint(),n=this._calculateCurrentDimensions(),r=this.canvas.viewportTransform;return e.translate(i.x,i.y),e.scale(1/r[0],1/r[3]),e.rotate(t(this.angle)),e.fillStyle=this.selectionBackgroundColor,e.fillRect(-n.x/2,-n.y/2,n.x,n.y),e.restore(),this},drawBorders:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),n=1/this.borderScaleFactor,r=i.x+n,s=i.y+n,o=void 0!==e.hasRotatingPoint?e.hasRotatingPoint:this.hasRotatingPoint,a=void 0!==e.hasControls?e.hasControls:this.hasControls,h=void 0!==e.rotatingPointOffset?e.rotatingPointOffset:this.rotatingPointOffset;if(t.save(),t.strokeStyle=e.borderColor||this.borderColor,this._setLineDash(t,e.borderDashArray||this.borderDashArray,null),t.strokeRect(-r/2,-s/2,r,s),o&&this.isControlVisible("mtr")&&a){var c=-s/2;t.beginPath(),t.moveTo(0,c),t.lineTo(0,c-h),t.stroke()}return t.restore(),this},drawBordersInGroup:function(t,e,i){i=i||{};var n=this._getNonTransformedDimensions(),r=C.util.composeMatrix({scaleX:e.scaleX,scaleY:e.scaleY,skewX:e.skewX}),s=C.util.transformPoint(n,r),o=1/this.borderScaleFactor,a=s.x+o,h=s.y+o;return t.save(),this._setLineDash(t,i.borderDashArray||this.borderDashArray,null),t.strokeStyle=i.borderColor||this.borderColor,t.strokeRect(-a/2,-h/2,a,h),t.restore(),this},drawControls:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),n=i.x,r=i.y,s=e.cornerSize||this.cornerSize,o=-(n+s)/2,a=-(r+s)/2,h=void 0!==e.transparentCorners?e.transparentCorners:this.transparentCorners,c=void 0!==e.hasRotatingPoint?e.hasRotatingPoint:this.hasRotatingPoint,l=h?"stroke":"fill";return t.save(),t.strokeStyle=t.fillStyle=e.cornerColor||this.cornerColor,this.transparentCorners||(t.strokeStyle=e.cornerStrokeColor||this.cornerStrokeColor),this._setLineDash(t,e.cornerDashArray||this.cornerDashArray,null),this._drawControl("tl",t,l,o,a,e),this._drawControl("tr",t,l,o+n,a,e),this._drawControl("bl",t,l,o,a+r,e),this._drawControl("br",t,l,o+n,a+r,e),this.get("lockUniScaling")||(this._drawControl("mt",t,l,o+n/2,a,e),this._drawControl("mb",t,l,o+n/2,a+r,e),this._drawControl("mr",t,l,o+n,a+r/2,e),this._drawControl("ml",t,l,o,a+r/2,e)),c&&this._drawControl("mtr",t,l,o+n/2,a-this.rotatingPointOffset,e),t.restore(),this},_drawControl:function(t,e,i,n,r,s){if(s=s||{},this.isControlVisible(t)){var o=this.cornerSize,a=!this.transparentCorners&&this.cornerStrokeColor;switch(s.cornerStyle||this.cornerStyle){case"circle":e.beginPath(),e.arc(n+o/2,r+o/2,o/2,0,2*Math.PI,!1),e[i](),a&&e.stroke();break;default:this.transparentCorners||e.clearRect(n,r,o,o),e[i+"Rect"](n,r,o,o),a&&e.strokeRect(n,r,o,o)}}},isControlVisible:function(t){return this._getControlsVisibility()[t]},setControlVisible:function(t,e){return this._getControlsVisibility()[t]=e,this},setControlsVisibility:function(t){for(var e in t||(t={}),t)this.setControlVisible(e,t[e]);return this},_getControlsVisibility:function(){return this._controlsVisibility||(this._controlsVisibility={tl:!0,tr:!0,br:!0,bl:!0,ml:!0,mt:!0,mr:!0,mb:!0,mtr:!0}),this._controlsVisibility},onDeselect:function(){},onSelect:function(){}})}(),C.util.object.extend(C.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(t,e){var i=function(){},n=(e=e||{}).onComplete||i,r=e.onChange||i,s=this;return C.util.animate({startValue:t.left,endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),s.requestRenderAll(),r()},onComplete:function(){t.setCoords(),n()}}),this},fxCenterObjectV:function(t,e){var i=function(){},n=(e=e||{}).onComplete||i,r=e.onChange||i,s=this;return C.util.animate({startValue:t.top,endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),s.requestRenderAll(),r()},onComplete:function(){t.setCoords(),n()}}),this},fxRemove:function(t,e){var i=function(){},n=(e=e||{}).onComplete||i,r=e.onChange||i,s=this;return C.util.animate({startValue:t.opacity,endValue:0,duration:this.FX_DURATION,onChange:function(e){t.set("opacity",e),s.requestRenderAll(),r()},onComplete:function(){s.remove(t),n()}}),this}}),C.util.object.extend(C.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 n=0,r=i.length;n<r;n++)t=i[n],e=n!==r-1,this._animate(t,arguments[0][t],arguments[1],e)}else this._animate.apply(this,arguments);return this},_animate:function(t,e,i,n){var r,s=this;e=e.toString(),i=i?C.util.object.clone(i):{},~t.indexOf(".")&&(r=t.split("."));var o=r?this.get(r[0])[r[1]]:this.get(t);"from"in i||(i.from=o),e=~e.indexOf("=")?o+parseFloat(e.replace("=","")):parseFloat(e),C.util.animate({startValue:i.from,endValue:e,byValue:i.by,easing:i.easing,duration:i.duration,abort:i.abort&&function(){return i.abort.call(s)},onChange:function(e,o,a){r?s[r[0]][r[1]]=e:s.set(t,e),n||i.onChange&&i.onChange(e,o,a)},onComplete:function(t,e,r){n||(s.setCoords(),i.onComplete&&i.onComplete(t,e,r))}})}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.object.clone,r={x1:1,x2:1,y1:1,y2:1},s=e.StaticCanvas.supports("setLineDash");function o(t,e){var i=t.origin,n=t.axis1,r=t.axis2,s=t.dimension,o=e.nearest,a=e.center,h=e.farthest;return function(){switch(this.get(i)){case o:return Math.min(this.get(n),this.get(r));case a:return Math.min(this.get(n),this.get(r))+.5*this.get(s);case h:return Math.max(this.get(n),this.get(r))}}}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,cacheProperties:e.Object.prototype.cacheProperties.concat("x1","x2","y1","y2"),initialize:function(t,e){t||(t=[0,0,0,0]),this.callSuper("initialize",e),this.set("x1",t[0]),this.set("y1",t[1]),this.set("x2",t[2]),this.set("y2",t[3]),this._setWidthHeight(e)},_setWidthHeight:function(t){t||(t={}),this.width=Math.abs(this.x2-this.x1),this.height=Math.abs(this.y2-this.y1),this.left="left"in t?t.left:this._getLeftToOriginX(),this.top="top"in t?t.top:this._getTopToOriginY()},_set:function(t,e){return this.callSuper("_set",t,e),void 0!==r[t]&&this._setWidthHeight(),this},_getLeftToOriginX:o({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:o({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t){if(t.beginPath(),!this.strokeDashArray||this.strokeDashArray&&s){var e=this.calcLinePoints();t.moveTo(e.x1,e.y1),t.lineTo(e.x2,e.y2)}t.lineWidth=this.strokeWidth;var i=t.strokeStyle;t.strokeStyle=this.stroke||t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=i},_renderDashedStroke:function(t){var i=this.calcLinePoints();t.beginPath(),e.util.drawDashedLine(t,i.x1,i.y1,i.x2,i.y2,this.strokeDashArray),t.closePath()},_findCenterFromElement:function(){return{x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2}},toObject:function(t){return i(this.callSuper("toObject",t),this.calcLinePoints())},_getNonTransformedDimensions:function(){var t=this.callSuper("_getNonTransformedDimensions");return"butt"===this.strokeLineCap&&(0===this.width&&(t.y-=this.strokeWidth),0===this.height&&(t.x-=this.strokeWidth)),t},calcLinePoints:function(){var t=this.x1<=this.x2?-1:1,e=this.y1<=this.y2?-1:1,i=t*this.width*.5,n=e*this.height*.5;return{x1:i,x2:t*this.width*-.5,y1:n,y2:e*this.height*-.5}},_toSVG:function(){var t=this.calcLinePoints();return["<line ","COMMON_PARTS",'x1="',t.x1,'" y1="',t.y1,'" x2="',t.x2,'" y2="',t.y2,'" />\n']}}),e.Line.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),e.Line.fromElement=function(t,n,r){r=r||{};var s=e.parseAttributes(t,e.Line.ATTRIBUTE_NAMES),o=[s.x1||0,s.y1||0,s.x2||0,s.y2||0];n(new e.Line(o,i(s,r)))},e.Line.fromObject=function(t,i){var r=n(t,!0);r.points=[t.x1,t.y1,t.x2,t.y2],e.Object._fromObject("Line",r,(function(t){delete t.points,i&&i(t)}),"points")})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=Math.PI;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,cacheProperties:e.Object.prototype.cacheProperties.concat("radius","startAngle","endAngle"),_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},_toSVG:function(){var t,n=(this.endAngle-this.startAngle)%(2*i);if(0===n)t=["<circle ","COMMON_PARTS",'cx="0" cy="0" ','r="',this.radius,'" />\n'];else{var r=e.util.cos(this.startAngle)*this.radius,s=e.util.sin(this.startAngle)*this.radius,o=e.util.cos(this.endAngle)*this.radius,a=e.util.sin(this.endAngle)*this.radius,h=n>i?"1":"0";t=['<path d="M '+r+" "+s," A "+this.radius+" "+this.radius," 0 ",+h+" 1"," "+o+" "+a,'" ',"COMMON_PARTS"," />\n"]}return t},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderPaintInOrder(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),e.Circle.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),e.Circle.fromElement=function(t,i){var n,r=e.parseAttributes(t,e.Circle.ATTRIBUTE_NAMES);if(!("radius"in(n=r)&&n.radius>=0))throw new Error("value of `r` attribute is required and can not be negative");r.left=(r.left||0)-r.radius,r.top=(r.top||0)-r.radius,i(new e.Circle(r))},e.Circle.fromObject=function(t,i){return e.Object._fromObject("Circle",t,i)})}(e),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",width:100,height:100,_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var i=this.width/2,n=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,n,0,-n,this.strokeDashArray),e.util.drawDashedLine(t,0,-n,i,n,this.strokeDashArray),e.util.drawDashedLine(t,i,n,-i,n,this.strokeDashArray),t.closePath()},_toSVG:function(){var t=this.width/2,e=this.height/2;return["<polygon ","COMMON_PARTS",'points="',[-t+" "+e,"0 "+-e,t+" "+e].join(","),'" />']}}),e.Triangle.fromObject=function(t,i){return e.Object._fromObject("Triangle",t,i)})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI;e.Ellipse?e.warn("fabric.Ellipse is already defined."):(e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:e.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["<ellipse ","COMMON_PARTS",'cx="0" cy="0" ','rx="',this.rx,'" ry="',this.ry,'" />\n']},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,i,!1),t.restore(),this._renderPaintInOrder(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i){var n=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);n.left=(n.left||0)-n.rx,n.top=(n.top||0)-n.ry,i(new e.Ellipse(n))},e.Ellipse.fromObject=function(t,i){return e.Object._fromObject("Ellipse",t,i)})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Rect?e.warn("fabric.Rect is already defined"):(e.Rect=e.util.createClass(e.Object,{stateProperties:e.Object.prototype.stateProperties.concat("rx","ry"),type:"rect",rx:0,ry:0,cacheProperties:e.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,n=this.width,r=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,h=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+n-e,o),a&&t.bezierCurveTo(s+n-h*e,o,s+n,o+h*i,s+n,o+i),t.lineTo(s+n,o+r-i),a&&t.bezierCurveTo(s+n,o+r-h*i,s+n-h*e,o+r,s+n-e,o+r),t.lineTo(s+e,o+r),a&&t.bezierCurveTo(s+h*e,o+r,s,o+r-h*i,s,o+r-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+h*i,s+h*e,o,s+e,o),t.closePath(),this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var i=-this.width/2,n=-this.height/2,r=this.width,s=this.height;t.beginPath(),e.util.drawDashedLine(t,i,n,i+r,n,this.strokeDashArray),e.util.drawDashedLine(t,i+r,n,i+r,n+s,this.strokeDashArray),e.util.drawDashedLine(t,i+r,n+s,i,n+s,this.strokeDashArray),e.util.drawDashedLine(t,i,n+s,i,n,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["<rect ","COMMON_PARTS",'x="',-this.width/2,'" y="',-this.height/2,'" rx="',this.rx,'" ry="',this.ry,'" width="',this.width,'" height="',this.height,'" />\n']}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,n,r){if(!t)return n(null);r=r||{};var s=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);s.left=s.left||0,s.top=s.top||0,s.height=s.height||0,s.width=s.width||0;var o=new e.Rect(i(r?e.util.object.clone(r):{},s));o.visible=o.visible&&o.width>0&&o.height>0,n(o)},e.Rect.fromObject=function(t,i){return e.Object._fromObject("Rect",t,i)})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.array.min,r=e.util.array.max,s=e.util.toFixed;e.Polyline?e.warn("fabric.Polyline is already defined"):(e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,cacheProperties:e.Object.prototype.cacheProperties.concat("points"),initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e),this._setPositionDimensions(e)},_setPositionDimensions:function(t){var e,i=this._calcDimensions(t);this.width=i.width,this.height=i.height,t.fromSVG||(e=this.translateToGivenOrigin({x:i.left-this.strokeWidth/2,y:i.top-this.strokeWidth/2},"left","top",this.originX,this.originY)),void 0===t.left&&(this.left=t.fromSVG?i.left:e.x),void 0===t.top&&(this.top=t.fromSVG?i.top:e.y),this.pathOffset={x:i.left+this.width/2,y:i.top+this.height/2}},_calcDimensions:function(){var t=this.points,e=n(t,"x")||0,i=n(t,"y")||0;return{left:e,top:i,width:(r(t,"x")||0)-e,height:(r(t,"y")||0)-i}},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},_toSVG:function(){for(var t=[],i=this.pathOffset.x,n=this.pathOffset.y,r=e.Object.NUM_FRACTION_DIGITS,o=0,a=this.points.length;o<a;o++)t.push(s(this.points[o].x-i,r),",",s(this.points[o].y-n,r)," ");return["<"+this.type+" ","COMMON_PARTS",'points="',t.join(""),'" />\n']},commonRender:function(t){var e,i=this.points.length,n=this.pathOffset.x,r=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-n,this.points[0].y-r);for(var s=0;s<i;s++)e=this.points[s],t.lineTo(e.x-n,e.y-r);return!0},_render:function(t){this.commonRender(t)&&this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var i,n;t.beginPath();for(var r=0,s=this.points.length;r<s;r++)i=this.points[r],n=this.points[r+1]||i,e.util.drawDashedLine(t,i.x,i.y,n.x,n.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),e.Polyline.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polyline.fromElementGenerator=function(t){return function(n,r,s){if(!n)return r(null);s||(s={});var o=e.parsePointsAttribute(n.getAttribute("points")),a=e.parseAttributes(n,e[t].ATTRIBUTE_NAMES);a.fromSVG=!0,r(new e[t](o,i(a,s)))}},e.Polyline.fromElement=e.Polyline.fromElementGenerator("Polyline"),e.Polyline.fromObject=function(t,i){return e.Object._fromObject("Polyline",t,i,"points")})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Polygon?e.warn("fabric.Polygon is already defined"):(e.Polygon=e.util.createClass(e.Polyline,{type:"polygon",_render:function(t){this.commonRender(t)&&(t.closePath(),this._renderPaintInOrder(t))},_renderDashedStroke:function(t){this.callSuper("_renderDashedStroke",t),t.closePath()}}),e.Polygon.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polygon.fromElement=e.Polyline.fromElementGenerator("Polygon"),e.Polygon.fromObject=function(t,i){return e.Object._fromObject("Polygon",t,i,"points")})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.array.min,n=e.util.array.max,r=e.util.object.extend,s=Object.prototype.toString,o=e.util.drawArc,a=e.util.toFixed,h={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},c={m:"l",M:"L"};e.Path?e.warn("fabric.Path is already defined"):(e.Path=e.util.createClass(e.Object,{type:"path",path:null,cacheProperties:e.Object.prototype.cacheProperties.concat("path","fillRule"),stateProperties:e.Object.prototype.stateProperties.concat("path"),initialize:function(t,i){i=i||{},this.callSuper("initialize",i),t||(t=[]);var n="[object Array]"===s.call(t);this.path=n?t:t.match&&t.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi),this.path&&(n||(this.path=this._parsePath()),e.Polyline.prototype._setPositionDimensions.call(this,i))},_renderPathCommands:function(t){var e,i,n,r=null,s=0,a=0,h=0,c=0,l=0,u=0,f=-this.pathOffset.x,d=-this.pathOffset.y;t.beginPath();for(var p=0,g=this.path.length;p<g;++p){switch((e=this.path[p])[0]){case"l":h+=e[1],c+=e[2],t.lineTo(h+f,c+d);break;case"L":h=e[1],c=e[2],t.lineTo(h+f,c+d);break;case"h":h+=e[1],t.lineTo(h+f,c+d);break;case"H":h=e[1],t.lineTo(h+f,c+d);break;case"v":c+=e[1],t.lineTo(h+f,c+d);break;case"V":c=e[1],t.lineTo(h+f,c+d);break;case"m":s=h+=e[1],a=c+=e[2],t.moveTo(h+f,c+d);break;case"M":s=h=e[1],a=c=e[2],t.moveTo(h+f,c+d);break;case"c":i=h+e[5],n=c+e[6],l=h+e[3],u=c+e[4],t.bezierCurveTo(h+e[1]+f,c+e[2]+d,l+f,u+d,i+f,n+d),h=i,c=n;break;case"C":h=e[5],c=e[6],l=e[3],u=e[4],t.bezierCurveTo(e[1]+f,e[2]+d,l+f,u+d,h+f,c+d);break;case"s":i=h+e[3],n=c+e[4],null===r[0].match(/[CcSs]/)?(l=h,u=c):(l=2*h-l,u=2*c-u),t.bezierCurveTo(l+f,u+d,h+e[1]+f,c+e[2]+d,i+f,n+d),l=h+e[1],u=c+e[2],h=i,c=n;break;case"S":i=e[3],n=e[4],null===r[0].match(/[CcSs]/)?(l=h,u=c):(l=2*h-l,u=2*c-u),t.bezierCurveTo(l+f,u+d,e[1]+f,e[2]+d,i+f,n+d),h=i,c=n,l=e[1],u=e[2];break;case"q":i=h+e[3],n=c+e[4],l=h+e[1],u=c+e[2],t.quadraticCurveTo(l+f,u+d,i+f,n+d),h=i,c=n;break;case"Q":i=e[3],n=e[4],t.quadraticCurveTo(e[1]+f,e[2]+d,i+f,n+d),h=i,c=n,l=e[1],u=e[2];break;case"t":i=h+e[1],n=c+e[2],null===r[0].match(/[QqTt]/)?(l=h,u=c):(l=2*h-l,u=2*c-u),t.quadraticCurveTo(l+f,u+d,i+f,n+d),h=i,c=n;break;case"T":i=e[1],n=e[2],null===r[0].match(/[QqTt]/)?(l=h,u=c):(l=2*h-l,u=2*c-u),t.quadraticCurveTo(l+f,u+d,i+f,n+d),h=i,c=n;break;case"a":o(t,h+f,c+d,[e[1],e[2],e[3],e[4],e[5],e[6]+h+f,e[7]+c+d]),h+=e[6],c+=e[7];break;case"A":o(t,h+f,c+d,[e[1],e[2],e[3],e[4],e[5],e[6]+f,e[7]+d]),h=e[6],c=e[7];break;case"z":case"Z":h=s,c=a,t.closePath()}r=e}},_render:function(t){this._renderPathCommands(t),this._renderPaintInOrder(t)},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(t){return r(this.callSuper("toObject",t),{path:this.path.map((function(t){return t.slice()}))})},toDatalessObject:function(t){var e=this.toObject(["sourcePath"].concat(t));return e.sourcePath&&delete e.path,e},_toSVG:function(){return["<path ","COMMON_PARTS",'d="',this.path.map((function(t){return t.join(" ")})).join(" "),'" stroke-linecap="round" ',"/>\n"]},_getOffsetTransform:function(){var t=e.Object.NUM_FRACTION_DIGITS;return" translate("+a(-this.pathOffset.x,t)+", "+a(-this.pathOffset.y,t)+")"},toClipPathSVG:function(t){var e=this._getOffsetTransform();return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},toSVG:function(t){var e=this._getOffsetTransform();return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},complexity:function(){return this.path.length},_parsePath:function(){for(var t,i,n,r,s,o=[],a=[],l=e.rePathCommand,u=0,f=this.path.length;u<f;u++){for(r=(t=this.path[u]).slice(1).trim(),a.length=0;n=l.exec(r);)a.push(n[0]);s=[t.charAt(0)];for(var d=0,p=a.length;d<p;d++)i=parseFloat(a[d]),isNaN(i)||s.push(i);var g=s[0],m=h[g.toLowerCase()],v=c[g]||g;if(s.length-1>m)for(var b=1,y=s.length;b<y;b+=m)o.push([g].concat(s.slice(b,b+m))),g=v;else o.push(s)}return o},_calcDimensions:function(){for(var t,r,s,o,a=[],h=[],c=null,l=0,u=0,f=0,d=0,p=0,g=0,m=0,v=this.path.length;m<v;++m){switch((t=this.path[m])[0]){case"l":f+=t[1],d+=t[2],o=[];break;case"L":f=t[1],d=t[2],o=[];break;case"h":f+=t[1],o=[];break;case"H":f=t[1],o=[];break;case"v":d+=t[1],o=[];break;case"V":d=t[1],o=[];break;case"m":l=f+=t[1],u=d+=t[2],o=[];break;case"M":l=f=t[1],u=d=t[2],o=[];break;case"c":r=f+t[5],s=d+t[6],p=f+t[3],g=d+t[4],o=e.util.getBoundsOfCurve(f,d,f+t[1],d+t[2],p,g,r,s),f=r,d=s;break;case"C":p=t[3],g=t[4],o=e.util.getBoundsOfCurve(f,d,t[1],t[2],p,g,t[5],t[6]),f=t[5],d=t[6];break;case"s":r=f+t[3],s=d+t[4],null===c[0].match(/[CcSs]/)?(p=f,g=d):(p=2*f-p,g=2*d-g),o=e.util.getBoundsOfCurve(f,d,p,g,f+t[1],d+t[2],r,s),p=f+t[1],g=d+t[2],f=r,d=s;break;case"S":r=t[3],s=t[4],null===c[0].match(/[CcSs]/)?(p=f,g=d):(p=2*f-p,g=2*d-g),o=e.util.getBoundsOfCurve(f,d,p,g,t[1],t[2],r,s),f=r,d=s,p=t[1],g=t[2];break;case"q":r=f+t[3],s=d+t[4],p=f+t[1],g=d+t[2],o=e.util.getBoundsOfCurve(f,d,p,g,p,g,r,s),f=r,d=s;break;case"Q":p=t[1],g=t[2],o=e.util.getBoundsOfCurve(f,d,p,g,p,g,t[3],t[4]),f=t[3],d=t[4];break;case"t":r=f+t[1],s=d+t[2],null===c[0].match(/[QqTt]/)?(p=f,g=d):(p=2*f-p,g=2*d-g),o=e.util.getBoundsOfCurve(f,d,p,g,p,g,r,s),f=r,d=s;break;case"T":r=t[1],s=t[2],null===c[0].match(/[QqTt]/)?(p=f,g=d):(p=2*f-p,g=2*d-g),o=e.util.getBoundsOfCurve(f,d,p,g,p,g,r,s),f=r,d=s;break;case"a":o=e.util.getBoundsOfArc(f,d,t[1],t[2],t[3],t[4],t[5],t[6]+f,t[7]+d),f+=t[6],d+=t[7];break;case"A":o=e.util.getBoundsOfArc(f,d,t[1],t[2],t[3],t[4],t[5],t[6],t[7]),f=t[6],d=t[7];break;case"z":case"Z":f=l,d=u}c=t,o.forEach((function(t){a.push(t.x),h.push(t.y)})),a.push(f),h.push(d)}var b=i(a)||0,y=i(h)||0;return{left:b,top:y,width:(n(a)||0)-b,height:(n(h)||0)-y}}}),e.Path.fromObject=function(t,i){if("string"==typeof t.sourcePath){var n=t.sourcePath;e.loadSVGFromURL(n,(function(e){var n=e[0];n.setOptions(t),i&&i(n)}))}else e.Object._fromObject("Path",t,i,"path")},e.Path.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(["d"]),e.Path.fromElement=function(t,i,n){var s=e.parseAttributes(t,e.Path.ATTRIBUTE_NAMES);s.fromSVG=!0,i(new e.Path(s.d,r(s,n)))})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.array.min,n=e.util.array.max;e.Group||(e.Group=e.util.createClass(e.Object,e.Collection,{type:"group",strokeWidth:0,subTargetCheck:!1,cacheProperties:[],useSetOnGroup:!1,initialize:function(t,e,i){e=e||{},this._objects=[],i&&this.callSuper("initialize",e),this._objects=t||[];for(var n=this._objects.length;n--;)this._objects[n].group=this;if(i)this._updateObjectsACoords();else{var r=e&&e.centerPoint;void 0!==e.originX&&(this.originX=e.originX),void 0!==e.originY&&(this.originY=e.originY),r||this._calcBounds(),this._updateObjectsCoords(r),delete e.centerPoint,this.callSuper("initialize",e)}this.setCoords()},_updateObjectsACoords:function(){for(var t=this._objects.length;t--;)this._objects[t].setCoords(!0,!0)},_updateObjectsCoords:function(t){t=t||this.getCenterPoint();for(var e=this._objects.length;e--;)this._updateObjectCoords(this._objects[e],t)},_updateObjectCoords:function(t,e){var i=t.left,n=t.top;t.set({left:i-e.x,top:n-e.y}),t.group=this,t.setCoords(!0,!0)},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,i){var n=this._objects.length;if(this.useSetOnGroup)for(;n--;)this._objects[n].setOnGroup(t,i);if("canvas"===t)for(;n--;)this._objects[n]._set(t,i);e.Object.prototype._set.call(this,t,i)},toObject:function(t){var i=this.includeDefaultValues,n=this._objects.map((function(e){var n=e.includeDefaultValues;e.includeDefaultValues=i;var r=e.toObject(t);return e.includeDefaultValues=n,r})),r=e.Object.prototype.toObject.call(this,t);return r.objects=n,r},toDatalessObject:function(t){var i,n=this.sourcePath;if(n)i=n;else{var r=this.includeDefaultValues;i=this._objects.map((function(e){var i=e.includeDefaultValues;e.includeDefaultValues=r;var n=e.toDatalessObject(t);return e.includeDefaultValues=i,n}))}var s=e.Object.prototype.toDatalessObject.call(this,t);return s.objects=i,s},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=e.Object.prototype.shouldCache.call(this);if(t)for(var i=0,n=this._objects.length;i<n;i++)if(this._objects[i].willDrawShadow())return this.ownCaching=!1,!1;return t},willDrawShadow:function(){if(this.shadow)return e.Object.prototype.willDrawShadow.call(this);for(var t=0,i=this._objects.length;t<i;t++)if(this._objects[t].willDrawShadow())return!0;return!1},isOnACache:function(){return this.ownCaching||this.group&&this.group.isOnACache()},drawObject:function(t){for(var e=0,i=this._objects.length;e<i;e++)this._objects[e].render(t);this._drawClipPath(t)},isCacheDirty:function(t){if(this.callSuper("isCacheDirty",t))return!0;if(!this.statefullCache)return!1;for(var e=0,i=this._objects.length;e<i;e++)if(this._objects[e].isCacheDirty(!0)){if(this._cacheCanvas){var n=this.cacheWidth/this.zoomX,r=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-n/2,-r/2,n,r)}return!0}return!1},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},realizeTransform:function(t){var i=t.calcTransformMatrix(),n=e.util.qrDecompose(i),r=new e.Point(n.translateX,n.translateY);return t.flipX=!1,t.flipY=!1,t.set("scaleX",n.scaleX),t.set("scaleY",n.scaleY),t.skewX=n.skewX,t.skewY=n.skewY,t.angle=n.angle,t.setPositionByOrigin(r,"center","center"),t},_restoreObjectState:function(t){return this.realizeTransform(t),t.setCoords(),delete t.group,this},destroy:function(){return this._objects.forEach((function(t){t.set("dirty",!0)})),this._restoreObjectsState()},toActiveSelection:function(){if(this.canvas){var t=this._objects,i=this.canvas;this._objects=[];var n=this.toObject();delete n.objects;var r=new e.ActiveSelection([]);return r.set(n),r.type="activeSelection",i.remove(this),t.forEach((function(t){t.group=r,t.dirty=!0,i.add(t)})),r.canvas=i,r._objects=t,i._activeObject=r,r.setCoords(),r}},ungroupOnCanvas:function(){return this._restoreObjectsState()},setObjectsCoords:function(){return this.forEachObject((function(t){t.setCoords(!0,!0)})),this},_calcBounds:function(t){for(var e,i,n,r=[],s=[],o=["tr","br","bl","tl"],a=0,h=this._objects.length,c=o.length;a<h;++a)for((e=this._objects[a]).setCoords(!0),n=0;n<c;n++)i=o[n],r.push(e.oCoords[i].x),s.push(e.oCoords[i].y);this._getBounds(r,s,t)},_getBounds:function(t,r,s){var o=new e.Point(i(t),i(r)),a=new e.Point(n(t),n(r)),h=o.y||0,c=o.x||0,l=a.x-o.x||0,u=a.y-o.y||0;this.width=l,this.height=u,s||this.setPositionByOrigin({x:c,y:h},"left","top")},_toSVG:function(t){for(var e=["<g ","COMMON_PARTS"," >\n"],i=0,n=this._objects.length;i<n;i++)e.push("\t\t",this._objects[i].toSVG(t));return e.push("</g>\n"),e},getSvgStyles:function(){var t=void 0!==this.opacity&&1!==this.opacity?"opacity: "+this.opacity+";":"",e=this.visible?"":" visibility: hidden;";return[t,this.getSvgFilter(),e].join("")},toClipPathSVG:function(t){for(var e=[],i=0,n=this._objects.length;i<n;i++)e.push("\t",this._objects[i].toClipPathSVG(t));return this._createBaseClipPathSVGMarkup(e,{reviver:t})}}),e.Group.fromObject=function(t,i){var n=t.objects,r=e.util.object.clone(t,!0);delete r.objects,"string"!=typeof n?e.util.enlivenObjects(n,(function(n){e.util.enlivenObjects([t.clipPath],(function(r){var s=e.util.object.clone(t,!0);s.clipPath=r[0],delete s.objects,i&&i(new e.Group(n,s,!0))}))})):e.loadSVGFromURL(n,(function(s){var o=e.util.groupSVGElements(s,t,n);o.set(r),i&&i(o)}))})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={});e.ActiveSelection||(e.ActiveSelection=e.util.createClass(e.Group,{type:"activeSelection",initialize:function(t,i){i=i||{},this._objects=t||[];for(var n=this._objects.length;n--;)this._objects[n].group=this;i.originX&&(this.originX=i.originX),i.originY&&(this.originY=i.originY),this._calcBounds(),this._updateObjectsCoords(),e.Object.prototype.initialize.call(this,i),this.setCoords()},toGroup:function(){var t=this._objects.concat();this._objects=[];var i=e.Object.prototype.toObject.call(this),n=new e.Group([]);if(delete i.type,n.set(i),t.forEach((function(t){t.canvas.remove(t),t.group=n})),n._objects=t,!this.canvas)return n;var r=this.canvas;return r.add(n),r._activeObject=n,n.setCoords(),n},onDeselect:function(){return this.destroy(),!1},toString:function(){return"#<fabric.ActiveSelection: ("+this.complexity()+")>"},shouldCache:function(){return!1},isOnACache:function(){return!1},_renderControls:function(t,e,i){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.callSuper("_renderControls",t,e),void 0===(i=i||{}).hasControls&&(i.hasControls=!1),void 0===i.hasRotatingPoint&&(i.hasRotatingPoint=!1),i.forActiveSelection=!0;for(var n=0,r=this._objects.length;n<r;n++)this._objects[n]._renderControls(t,i);t.restore()}}),e.ActiveSelection.fromObject=function(t,i){e.util.enlivenObjects(t.objects,(function(n){delete t.objects,i&&i(new e.ActiveSelection(n,t,!0))}))})}(e),function(t){"use strict";var e=C.util.object.extend;t.fabric||(t.fabric={}),t.fabric.Image?C.warn("fabric.Image is already defined."):(C.Image=C.util.createClass(C.Object,{type:"image",crossOrigin:"",strokeWidth:0,srcFromAttribute:!1,_lastScaleX:1,_lastScaleY:1,_filterScalingX:1,_filterScalingY:1,minimumScaleTrigger:.5,stateProperties:C.Object.prototype.stateProperties.concat("cropX","cropY"),cacheKey:"",cropX:0,cropY:0,initialize:function(t,e){e||(e={}),this.filters=[],this.cacheKey="texture"+C.Object.__uid++,this.callSuper("initialize",e),this._initElement(t,e)},getElement:function(){return this._element||{}},setElement:function(t,e){return this.removeTexture(this.cacheKey),this.removeTexture(this.cacheKey+"_filtered"),this._element=t,this._originalElement=t,this._initConfig(e),0!==this.filters.length&&this.applyFilters(),this.resizeFilter&&this.applyResizeFilters(),this},removeTexture:function(t){var e=C.filterBackend;e&&e.evictCachesForKey&&e.evictCachesForKey(t)},dispose:function(){this.removeTexture(this.cacheKey),this.removeTexture(this.cacheKey+"_filtered"),this._cacheContext=void 0,["_originalElement","_element","_filteredEl","_cacheCanvas"].forEach(function(t){C.util.cleanUpJsdomNode(this[t]),this[t]=void 0}.bind(this))},setCrossOrigin:function(t){return this.crossOrigin=t,this._element.crossOrigin=t,this},getOriginalSize:function(){var t=this.getElement();return{width:t.naturalWidth||t.width,height:t.naturalHeight||t.height}},_stroke:function(t){if(this.stroke&&0!==this.strokeWidth){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,-i),t.lineTo(e,-i),t.lineTo(e,i),t.lineTo(-e,i),t.lineTo(-e,-i),t.closePath()}},_renderDashedStroke:function(t){var e=-this.width/2,i=-this.height/2,n=this.width,r=this.height;t.save(),this._setStrokeStyles(t,this),t.beginPath(),C.util.drawDashedLine(t,e,i,e+n,i,this.strokeDashArray),C.util.drawDashedLine(t,e+n,i,e+n,i+r,this.strokeDashArray),C.util.drawDashedLine(t,e+n,i+r,e,i+r,this.strokeDashArray),C.util.drawDashedLine(t,e,i+r,e,i,this.strokeDashArray),t.closePath(),t.restore()},toObject:function(t){var i=[];this.filters.forEach((function(t){t&&i.push(t.toObject())}));var n=e(this.callSuper("toObject",["crossOrigin","cropX","cropY"].concat(t)),{src:this.getSrc(),filters:i});return this.resizeFilter&&(n.resizeFilter=this.resizeFilter.toObject()),n},hasCrop:function(){return this.cropX||this.cropY||this.width<this._element.width||this.height<this._element.height},_toSVG:function(){var t,e=[],i=[],n=-this.width/2,r=-this.height/2,s="";if(this.hasCrop()){var o=C.Object.__uid++;e.push('<clipPath id="imageCrop_'+o+'">\n','\t<rect x="'+n+'" y="'+r+'" width="'+this.width+'" height="'+this.height+'" />\n',"</clipPath>\n"),s=' clip-path="url(#imageCrop_'+o+')" '}if(i.push("\t<image ","COMMON_PARTS",'xlink:href="',this.getSvgSrc(!0),'" x="',n-this.cropX,'" y="',r-this.cropY,'" width="',this._element.width||this._element.naturalWidth,'" height="',this._element.height||this._element.height,'"',s,"></image>\n"),this.stroke||this.strokeDashArray){var a=this.fill;this.fill=null,t=["\t<rect ",'x="',n,'" y="',r,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'],this.fill=a}return e="fill"!==this.paintFirst?e.concat(t,i):e.concat(i,t)},getSrc:function(t){var e=t?this._element:this._originalElement;return e?e.toDataURL?e.toDataURL():this.srcFromAttribute?e.getAttribute("src"):e.src:this.src||""},setSrc:function(t,e,i){return C.util.loadImage(t,(function(t){this.setElement(t,i),this._setWidthHeight(),e&&e(this)}),this,i&&i.crossOrigin),this},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.minimumScaleTrigger,i=this.getTotalObjectScaling(),n=i.scaleX,r=i.scaleY,s=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||n>e&&r>e)return this._element=s,this._filterScalingX=1,this._filterScalingY=1,this._lastScaleX=n,void(this._lastScaleY=r);C.filterBackend||(C.filterBackend=C.initFilterBackend());var o=C.util.createCanvasElement(),a=this._filteredEl?this.cacheKey+"_filtered":this.cacheKey,h=s.width,c=s.height;o.width=h,o.height=c,this._element=o,this._lastScaleX=t.scaleX=n,this._lastScaleY=t.scaleY=r,C.filterBackend.applyFilters([t],s,h,c,this._element,a),this._filterScalingX=o.width/this._originalElement.width,this._filterScalingY=o.height/this._originalElement.height},applyFilters:function(t){if(t=(t=t||this.filters||[]).filter((function(t){return t&&!t.isNeutralState()})),this.set("dirty",!0),this.removeTexture(this.cacheKey+"_filtered"),0===t.length)return this._element=this._originalElement,this._filteredEl=null,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,n=e.naturalHeight||e.height;if(this._element===this._originalElement){var r=C.util.createCanvasElement();r.width=i,r.height=n,this._element=r,this._filteredEl=r}else this._element=this._filteredEl,this._filteredEl.getContext("2d").clearRect(0,0,i,n),this._lastScaleX=1,this._lastScaleY=1;return C.filterBackend||(C.filterBackend=C.initFilterBackend()),C.filterBackend.applyFilters(t,this._originalElement,i,n,this._element,this.cacheKey),this._originalElement.width===this._element.width&&this._originalElement.height===this._element.height||(this._filterScalingX=this._element.width/this._originalElement.width,this._filterScalingY=this._element.height/this._originalElement.height),this},_render:function(t){!0!==this.isMoving&&this.resizeFilter&&this._needsResize()&&this.applyResizeFilters(),this._stroke(t),this._renderPaintInOrder(t)},shouldCache:function(){return this.needsItsOwnCache()},_renderFill:function(t){var e=this._element,i=this.width,n=this.height,r=Math.min(e.naturalWidth||e.width,i*this._filterScalingX),s=Math.min(e.naturalHeight||e.height,n*this._filterScalingY),o=-i/2,a=-n/2,h=Math.max(0,this.cropX*this._filterScalingX),c=Math.max(0,this.cropY*this._filterScalingY);e&&t.drawImage(e,h,c,r,s,o,a,i,n)},_needsResize:function(){var t=this.getTotalObjectScaling();return t.scaleX!==this._lastScaleX||t.scaleY!==this._lastScaleY},_resetWidthHeight:function(){this.set(this.getOriginalSize())},_initElement:function(t,e){this.setElement(C.util.getById(t),e),C.util.addClass(this.getElement(),C.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(t,e){t&&t.length?C.util.enlivenObjects(t,(function(t){e&&e(t)}),"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){t||(t={});var e=this.getElement();this.width=t.width||e.naturalWidth||e.width||0,this.height=t.height||e.naturalHeight||e.height||0},parsePreserveAspectRatioAttribute:function(){var t,e=C.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio||""),i=this._element.width,n=this._element.height,r=1,s=1,o=0,a=0,h=0,c=0,l=this.width,u=this.height,f={width:l,height:u};return!e||"none"===e.alignX&&"none"===e.alignY?(r=l/i,s=u/n):("meet"===e.meetOrSlice&&(t=(l-i*(r=s=C.util.findScaleToFit(this._element,f)))/2,"Min"===e.alignX&&(o=-t),"Max"===e.alignX&&(o=t),t=(u-n*s)/2,"Min"===e.alignY&&(a=-t),"Max"===e.alignY&&(a=t)),"slice"===e.meetOrSlice&&(t=i-l/(r=s=C.util.findScaleToCover(this._element,f)),"Mid"===e.alignX&&(h=t/2),"Max"===e.alignX&&(h=t),t=n-u/s,"Mid"===e.alignY&&(c=t/2),"Max"===e.alignY&&(c=t),i=l/r,n=u/s)),{width:i,height:n,scaleX:r,scaleY:s,offsetLeft:o,offsetTop:a,cropX:h,cropY:c}}}),C.Image.CSS_CANVAS="canvas-img",C.Image.prototype.getSvgSrc=C.Image.prototype.getSrc,C.Image.fromObject=function(t,e){var i=C.util.object.clone(t);C.util.loadImage(i.src,(function(t,n){n?e&&e(null,n):C.Image.prototype._initFilters.call(i,i.filters,(function(n){i.filters=n||[],C.Image.prototype._initFilters.call(i,[i.resizeFilter],(function(n){i.resizeFilter=n[0],C.util.enlivenObjects([i.clipPath],(function(n){i.clipPath=n[0];var r=new C.Image(t,i);e(r)}))}))}))}),null,i.crossOrigin)},C.Image.fromURL=function(t,e,i){C.util.loadImage(t,(function(t){e&&e(new C.Image(t,i))}),null,i&&i.crossOrigin)},C.Image.ATTRIBUTE_NAMES=C.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")),C.Image.fromElement=function(t,i,n){var r=C.parseAttributes(t,C.Image.ATTRIBUTE_NAMES);C.Image.fromURL(r["xlink:href"],i,e(n?C.util.object.clone(n):{},r))})}(e),C.util.object.extend(C.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.angle%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.rotate(this._getAngleValueForStraighten()),this},fxStraighten:function(t){var e=function(){},i=(t=t||{}).onComplete||e,n=t.onChange||e,r=this;return C.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){r.rotate(t),n()},onComplete:function(){r.setCoords(),i()}}),this}}),C.util.object.extend(C.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.requestRenderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.requestRenderAllBound}),this}}),function(){"use strict";function t(t,e){var i="precision "+e+" float;\nvoid main(){}",n=t.createShader(t.FRAGMENT_SHADER);return t.shaderSource(n,i),t.compileShader(n),!!t.getShaderParameter(n,t.COMPILE_STATUS)}function e(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}C.isWebglSupported=function(e){if(C.isLikelyNode)return!1;e=e||C.WebglFilterBackend.prototype.tileSize;var i=document.createElement("canvas"),n=i.getContext("webgl")||i.getContext("experimental-webgl"),r=!1;if(n){C.maxTextureSize=n.getParameter(n.MAX_TEXTURE_SIZE),r=C.maxTextureSize>=e;for(var s=["highp","mediump","lowp"],o=0;o<3;o++)if(t(n,s[o])){C.webGlPrecision=s[o];break}}return this.isSupported=r,r},C.WebglFilterBackend=e,e.prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.aPosition=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(t,e)},chooseFastestCopyGLTo2DMethod:function(t,e){var i,n=void 0!==window.performance;try{new ImageData(1,1),i=!0}catch(t){i=!1}var r="undefined"!=typeof ArrayBuffer,s="undefined"!=typeof Uint8ClampedArray;if(n&&i&&r&&s){var o=C.util.createCanvasElement(),a=new ArrayBuffer(t*e*4);if(C.forceGLPutImageData)return this.imageBuffer=a,void(this.copyGLTo2D=E);var h,c,l={imageBuffer:a,destinationWidth:t,destinationHeight:e,targetCanvas:o};o.width=t,o.height=e,h=window.performance.now(),O.call(l,this.gl,l),c=window.performance.now()-h,h=window.performance.now(),E.call(l,this.gl,l),c>window.performance.now()-h?(this.imageBuffer=a,this.copyGLTo2D=E):this.copyGLTo2D=O}},createWebGLCanvas:function(t,e){var i=C.util.createCanvasElement();i.width=t,i.height=e;var n={alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1},r=i.getContext("webgl",n);r||(r=i.getContext("experimental-webgl",n)),r&&(r.clearColor(0,0,0,0),this.canvas=i,this.gl=r)},applyFilters:function(t,e,i,n,r,s){var o,a=this.gl;s&&(o=this.getCachedTexture(s,e));var h={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:n,destinationWidth:i,destinationHeight:n,context:a,sourceTexture:this.createTexture(a,i,n,!o&&e),targetTexture:this.createTexture(a,i,n),originalTexture:o||this.createTexture(a,i,n,!o&&e),passes:t.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:r},c=a.createFramebuffer();return a.bindFramebuffer(a.FRAMEBUFFER,c),t.forEach((function(t){t&&t.applyTo(h)})),function(t){var e=t.targetCanvas,i=e.width,n=e.height,r=t.destinationWidth,s=t.destinationHeight;i===r&&n===s||(e.width=r,e.height=s)}(h),this.copyGLTo2D(a,h),a.bindTexture(a.TEXTURE_2D,null),a.deleteTexture(h.sourceTexture),a.deleteTexture(h.targetTexture),a.deleteFramebuffer(c),r.getContext("2d").setTransform(1,0,0,1,0,0),h},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,n){var r=t.createTexture();return t.bindTexture(t.TEXTURE_2D,r),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),n?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,n):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),r},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},copyGLTo2D:O,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e={renderer:"",vendor:""};if(!t)return e;var i=t.getExtension("WEBGL_debug_renderer_info");if(i){var n=t.getParameter(i.UNMASKED_RENDERER_WEBGL),r=t.getParameter(i.UNMASKED_VENDOR_WEBGL);n&&(e.renderer=n.toLowerCase()),r&&(e.vendor=r.toLowerCase())}return this.gpuInfo=e,e}}}(),function(){"use strict";var t=function(){};function e(){}C.Canvas2dFilterBackend=e,e.prototype={evictCachesForKey:t,dispose:t,clearWebGLCaches:t,resources:{},applyFilters:function(t,e,i,n,r){var s=r.getContext("2d");s.drawImage(e,0,0,i,n);var o={sourceWidth:i,sourceHeight:n,imageData:s.getImageData(0,0,i,n),originalEl:e,originalImageData:s.getImageData(0,0,i,n),canvasEl:r,ctx:s,filterBackend:this};return t.forEach((function(t){t.applyTo(o)})),o.imageData.width===i&&o.imageData.height===n||(r.width=o.imageData.width,r.height=o.imageData.height),s.putImageData(o.imageData,0,0),o}}}(),C.Image=C.Image||{},C.Image.filters=C.Image.filters||{},C.Image.filters.BaseFilter=C.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aPosition;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2D uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){e=e||this.fragmentSource,i=i||this.vertexSource,"highp"!==C.webGlPrecision&&(e=e.replace(/precision highp float/g,"precision "+C.webGlPrecision+" float"));var n=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(n,i),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new Error("Vertex shader compile error for "+this.type+": "+t.getShaderInfoLog(n));var r=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(r,e),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error("Fragment shader compile error for "+this.type+": "+t.getShaderInfoLog(r));var s=t.createProgram();if(t.attachShader(s,n),t.attachShader(s,r),t.linkProgram(s),!t.getProgramParameter(s,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(s));var o=this.getAttributeLocations(t,s),a=this.getUniformLocations(t,s)||{};return a.uStepW=t.getUniformLocation(s,"uStepW"),a.uStepH=t.getUniformLocation(s,"uStepH"),{program:s,attributeLocations:o,uniformLocations:a}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition")}},getUniformLocations:function(){return{}},sendAttributeData:function(t,e,i){var n=e.aPosition,r=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,r),t.enableVertexAttribArray(n),t.vertexAttribPointer(n,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)},_setupFrameBuffer:function(t){var e,i,n=t.context;t.passes>1?(e=t.destinationWidth,i=t.destinationHeight,t.sourceWidth===e&&t.sourceHeight===i||(n.deleteTexture(t.targetTexture),t.targetTexture=t.filterBackend.createTexture(n,e,i)),n.framebufferTexture2D(n.FRAMEBUFFER,n.COLOR_ATTACHMENT0,n.TEXTURE_2D,t.targetTexture,0)):(n.bindFramebuffer(n.FRAMEBUFFER,null),n.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){var t=this.mainParameter,e=C.Image.filters[this.type].prototype;if(t){if(Array.isArray(e[t])){for(var i=e[t].length;i--;)if(this[t][i]!==e[t][i])return!1;return!0}return e[t]===this[t]}return!1},applyTo:function(t){t.webgl?(this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.aPosition),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.destinationWidth,t.destinationHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),C.Image.filters.BaseFilter.fromObject=function(t,e){var i=new C.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.ColorMatrix=n(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,n,r,s,o=t.imageData.data,a=o.length,h=this.matrix,c=this.colorsOnly;for(s=0;s<a;s+=4)e=o[s],i=o[s+1],n=o[s+2],c?(o[s]=e*h[0]+i*h[1]+n*h[2]+255*h[4],o[s+1]=e*h[5]+i*h[6]+n*h[7]+255*h[9],o[s+2]=e*h[10]+i*h[11]+n*h[12]+255*h[14]):(r=o[s+3],o[s]=e*h[0]+i*h[1]+n*h[2]+r*h[3]+255*h[4],o[s+1]=e*h[5]+i*h[6]+n*h[7]+r*h[8]+255*h[9],o[s+2]=e*h[10]+i*h[11]+n*h[12]+r*h[13]+255*h[14],o[s+3]=e*h[15]+i*h[16]+n*h[17]+r*h[18]+255*h[19])},getUniformLocations:function(t,e){return{uColorMatrix:t.getUniformLocation(e,"uColorMatrix"),uConstants:t.getUniformLocation(e,"uConstants")}},sendUniformData:function(t,e){var i=this.matrix,n=[i[0],i[1],i[2],i[3],i[5],i[6],i[7],i[8],i[10],i[11],i[12],i[13],i[15],i[16],i[17],i[18]],r=[i[4],i[9],i[14],i[19]];t.uniformMatrix4fv(e.uColorMatrix,!1,n),t.uniform4fv(e.uConstants,r)}}),e.Image.filters.ColorMatrix.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Brightness=n(i.BaseFilter,{type:"Brightness",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBrightness;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += uBrightness;\ngl_FragColor = color;\n}",brightness:0,mainParameter:"brightness",applyTo2d:function(t){if(0!==this.brightness){var e,i=t.imageData.data,n=i.length,r=Math.round(255*this.brightness);for(e=0;e<n;e+=4)i[e]=i[e]+r,i[e+1]=i[e+1]+r,i[e+2]=i[e+2]+r}},getUniformLocations:function(t,e){return{uBrightness:t.getUniformLocation(e,"uBrightness")}},sendUniformData:function(t,e){t.uniform1f(e.uBrightness,this.brightness)}}),e.Image.filters.Brightness.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.Image.filters,r=e.util.createClass;n.Convolute=r(n.BaseFilter,{type:"Convolute",opaque:!1,matrix:[0,0,0,0,1,0,0,0,0],fragmentSource:{Convolute_3_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_3_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_5_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_5_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_7_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_7_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_9_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_9_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}"},retrieveShader:function(t){var e=Math.sqrt(this.matrix.length),i=this.type+"_"+e+"_"+(this.opaque?1:0),n=this.fragmentSource[i];return t.programCache.hasOwnProperty(i)||(t.programCache[i]=this.createProgram(t.context,n)),t.programCache[i]},applyTo2d:function(t){var e,i,n,r,s,o,a,h,c,l,u,f,d,p=t.imageData,g=p.data,m=this.matrix,v=Math.round(Math.sqrt(m.length)),b=Math.floor(v/2),y=p.width,_=p.height,x=t.ctx.createImageData(y,_),S=x.data,w=this.opaque?1:0;for(u=0;u<_;u++)for(l=0;l<y;l++){for(s=4*(u*y+l),e=0,i=0,n=0,r=0,d=0;d<v;d++)for(f=0;f<v;f++)o=l+f-b,(a=u+d-b)<0||a>=_||o<0||o>=y||(h=4*(a*y+o),c=m[d*v+f],e+=g[h]*c,i+=g[h+1]*c,n+=g[h+2]*c,w||(r+=g[h+3]*c));S[s]=e,S[s+1]=i,S[s+2]=n,S[s+3]=w?g[s+3]:r}t.imageData=x},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Grayscale=n(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,n=t.imageData.data,r=n.length,s=this.mode;for(e=0;e<r;e+=4)"average"===s?i=(n[e]+n[e+1]+n[e+2])/3:"lightness"===s?i=(Math.min(n[e],n[e+1],n[e+2])+Math.max(n[e],n[e+1],n[e+2]))/2:"luminosity"===s&&(i=.21*n[e]+.72*n[e+1]+.07*n[e+2]),n[e]=i,n[e+1]=i,n[e+2]=i},retrieveShader:function(t){var e=this.type+"_"+this.mode;if(!t.programCache.hasOwnProperty(e)){var i=this.fragmentSource[this.mode];t.programCache[e]=this.createProgram(t.context,i)}return t.programCache[e]},getUniformLocations:function(t,e){return{uMode:t.getUniformLocation(e,"uMode")}},sendUniformData:function(t,e){t.uniform1i(e.uMode,1)},isNeutralState:function(){return!1}}),e.Image.filters.Grayscale.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Invert=n(i.BaseFilter,{type:"Invert",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uInvert;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nif (uInvert == 1) {\ngl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,color.a);\n} else {\ngl_FragColor = color;\n}\n}",invert:!0,mainParameter:"invert",applyTo2d:function(t){var e,i=t.imageData.data,n=i.length;for(e=0;e<n;e+=4)i[e]=255-i[e],i[e+1]=255-i[e+1],i[e+2]=255-i[e+2]},isNeutralState:function(){return!this.invert},getUniformLocations:function(t,e){return{uInvert:t.getUniformLocation(e,"uInvert")}},sendUniformData:function(t,e){t.uniform1i(e.uInvert,this.invert)}}),e.Image.filters.Invert.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.Image.filters,r=e.util.createClass;n.Noise=r(n.BaseFilter,{type:"Noise",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uStepH;\nuniform float uNoise;\nuniform float uSeed;\nvarying vec2 vTexCoord;\nfloat rand(vec2 co, float seed, float vScale) {\nreturn fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n}\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\ngl_FragColor = color;\n}",mainParameter:"noise",noise:0,applyTo2d:function(t){if(0!==this.noise){var e,i,n=t.imageData.data,r=n.length,s=this.noise;for(e=0,r=n.length;e<r;e+=4)i=(.5-Math.random())*s,n[e]+=i,n[e+1]+=i,n[e+2]+=i}},getUniformLocations:function(t,e){return{uNoise:t.getUniformLocation(e,"uNoise"),uSeed:t.getUniformLocation(e,"uSeed")}},sendUniformData:function(t,e){t.uniform1f(e.uNoise,this.noise/255),t.uniform1f(e.uSeed,Math.random())},toObject:function(){return i(this.callSuper("toObject"),{noise:this.noise})}}),e.Image.filters.Noise.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Pixelate=n(i.BaseFilter,{type:"Pixelate",blocksize:4,mainParameter:"blocksize",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBlocksize;\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nfloat blockW = uBlocksize * uStepW;\nfloat blockH = uBlocksize * uStepW;\nint posX = int(vTexCoord.x / blockW);\nint posY = int(vTexCoord.y / blockH);\nfloat fposX = float(posX);\nfloat fposY = float(posY);\nvec2 squareCoords = vec2(fposX * blockW, fposY * blockH);\nvec4 color = texture2D(uTexture, squareCoords);\ngl_FragColor = color;\n}",applyTo2d:function(t){var e,i,n,r,s,o,a,h,c,l,u,f=t.imageData,d=f.data,p=f.height,g=f.width;for(i=0;i<p;i+=this.blocksize)for(n=0;n<g;n+=this.blocksize)for(r=d[e=4*i*g+4*n],s=d[e+1],o=d[e+2],a=d[e+3],l=Math.min(i+this.blocksize,p),u=Math.min(n+this.blocksize,g),h=i;h<l;h++)for(c=n;c<u;c++)d[e=4*h*g+4*c]=r,d[e+1]=s,d[e+2]=o,d[e+3]=a},isNeutralState:function(){return 1===this.blocksize},getUniformLocations:function(t,e){return{uBlocksize:t.getUniformLocation(e,"uBlocksize"),uStepW:t.getUniformLocation(e,"uStepW"),uStepH:t.getUniformLocation(e,"uStepH")}},sendUniformData:function(t,e){t.uniform1f(e.uBlocksize,this.blocksize)}}),e.Image.filters.Pixelate.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.Image.filters,r=e.util.createClass;n.RemoveColor=r(n.BaseFilter,{type:"RemoveColor",color:"#FFFFFF",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uLow;\nuniform vec4 uHigh;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\nif(all(greaterThan(gl_FragColor.rgb,uLow.rgb)) && all(greaterThan(uHigh.rgb,gl_FragColor.rgb))) {\ngl_FragColor.a = 0.0;\n}\n}",distance:.02,useAlpha:!1,applyTo2d:function(t){var i,n,r,s,o=t.imageData.data,a=255*this.distance,h=new e.Color(this.color).getSource(),c=[h[0]-a,h[1]-a,h[2]-a],l=[h[0]+a,h[1]+a,h[2]+a];for(i=0;i<o.length;i+=4)n=o[i],r=o[i+1],s=o[i+2],n>c[0]&&r>c[1]&&s>c[2]&&n<l[0]&&r<l[1]&&s<l[2]&&(o[i+3]=0)},getUniformLocations:function(t,e){return{uLow:t.getUniformLocation(e,"uLow"),uHigh:t.getUniformLocation(e,"uHigh")}},sendUniformData:function(t,i){var n=new e.Color(this.color).getSource(),r=parseFloat(this.distance),s=[0+n[0]/255-r,0+n[1]/255-r,0+n[2]/255-r,1],o=[n[0]/255+r,n[1]/255+r,n[2]/255+r,1];t.uniform4fv(i.uLow,s),t.uniform4fv(i.uHigh,o)},toObject:function(){return i(this.callSuper("toObject"),{color:this.color,distance:this.distance})}}),e.Image.filters.RemoveColor.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass,r={Brownie:[.5997,.34553,-.27082,0,.186,-.0377,.86095,.15059,0,-.1449,.24113,-.07441,.44972,0,-.02965,0,0,0,1,0],Vintage:[.62793,.32021,-.03965,0,.03784,.02578,.64411,.03259,0,.02926,.0466,-.08512,.52416,0,.02023,0,0,0,1,0],Kodachrome:[1.12855,-.39673,-.03992,0,.24991,-.16404,1.08352,-.05498,0,.09698,-.16786,-.56034,1.60148,0,.13972,0,0,0,1,0],Technicolor:[1.91252,-.85453,-.09155,0,.04624,-.30878,1.76589,-.10601,0,-.27589,-.2311,-.75018,1.84759,0,.12137,0,0,0,1,0],Polaroid:[1.438,-.062,-.062,0,0,-.122,1.378,-.122,0,0,-.016,-.016,1.483,0,0,0,0,0,1,0],Sepia:[.393,.769,.189,0,0,.349,.686,.168,0,0,.272,.534,.131,0,0,0,0,0,1,0],BlackWhite:[1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,0,0,0,1,0]};for(var s in r)i[s]=n(i.ColorMatrix,{type:s,matrix:r[s],mainParameter:!1,colorsOnly:!0}),e.Image.filters[s].fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric,i=e.Image.filters,n=e.util.createClass;i.BlendColor=n(i.BaseFilter,{type:"BlendColor",color:"#F95C63",mode:"multiply",alpha:1,fragmentSource:{multiply:"gl_FragColor.rgb *= uColor.rgb;\n",screen:"gl_FragColor.rgb = 1.0 - (1.0 - gl_FragColor.rgb) * (1.0 - uColor.rgb);\n",add:"gl_FragColor.rgb += uColor.rgb;\n",diff:"gl_FragColor.rgb = abs(gl_FragColor.rgb - uColor.rgb);\n",subtract:"gl_FragColor.rgb -= uColor.rgb;\n",lighten:"gl_FragColor.rgb = max(gl_FragColor.rgb, uColor.rgb);\n",darken:"gl_FragColor.rgb = min(gl_FragColor.rgb, uColor.rgb);\n",exclusion:"gl_FragColor.rgb += uColor.rgb - 2.0 * (uColor.rgb * gl_FragColor.rgb);\n",overlay:"if (uColor.r < 0.5) {\ngl_FragColor.r *= 2.0 * uColor.r;\n} else {\ngl_FragColor.r = 1.0 - 2.0 * (1.0 - gl_FragColor.r) * (1.0 - uColor.r);\n}\nif (uColor.g < 0.5) {\ngl_FragColor.g *= 2.0 * uColor.g;\n} else {\ngl_FragColor.g = 1.0 - 2.0 * (1.0 - gl_FragColor.g) * (1.0 - uColor.g);\n}\nif (uColor.b < 0.5) {\ngl_FragColor.b *= 2.0 * uColor.b;\n} else {\ngl_FragColor.b = 1.0 - 2.0 * (1.0 - gl_FragColor.b) * (1.0 - uColor.b);\n}\n",tint:"gl_FragColor.rgb *= (1.0 - uColor.a);\ngl_FragColor.rgb += uColor.rgb;\n"},buildSource:function(t){return"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ngl_FragColor = color;\nif (color.a > 0.0) {\n"+this.fragmentSource[t]+"}\n}"},retrieveShader:function(t){var e,i=this.type+"_"+this.mode;return t.programCache.hasOwnProperty(i)||(e=this.buildSource(this.mode),t.programCache[i]=this.createProgram(t.context,e)),t.programCache[i]},applyTo2d:function(t){var i,n,r,s,o,a,h,c=t.imageData.data,l=c.length,u=1-this.alpha;i=(h=new e.Color(this.color).getSource())[0]*this.alpha,n=h[1]*this.alpha,r=h[2]*this.alpha;for(var f=0;f<l;f+=4)switch(s=c[f],o=c[f+1],a=c[f+2],this.mode){case"multiply":c[f]=s*i/255,c[f+1]=o*n/255,c[f+2]=a*r/255;break;case"screen":c[f]=255-(255-s)*(255-i)/255,c[f+1]=255-(255-o)*(255-n)/255,c[f+2]=255-(255-a)*(255-r)/255;break;case"add":c[f]=s+i,c[f+1]=o+n,c[f+2]=a+r;break;case"diff":case"difference":c[f]=Math.abs(s-i),c[f+1]=Math.abs(o-n),c[f+2]=Math.abs(a-r);break;case"subtract":c[f]=s-i,c[f+1]=o-n,c[f+2]=a-r;break;case"darken":c[f]=Math.min(s,i),c[f+1]=Math.min(o,n),c[f+2]=Math.min(a,r);break;case"lighten":c[f]=Math.max(s,i),c[f+1]=Math.max(o,n),c[f+2]=Math.max(a,r);break;case"overlay":c[f]=i<128?2*s*i/255:255-2*(255-s)*(255-i)/255,c[f+1]=n<128?2*o*n/255:255-2*(255-o)*(255-n)/255,c[f+2]=r<128?2*a*r/255:255-2*(255-a)*(255-r)/255;break;case"exclusion":c[f]=i+s-2*i*s/255,c[f+1]=n+o-2*n*o/255,c[f+2]=r+a-2*r*a/255;break;case"tint":c[f]=i+s*u,c[f+1]=n+o*u,c[f+2]=r+a*u}},getUniformLocations:function(t,e){return{uColor:t.getUniformLocation(e,"uColor")}},sendUniformData:function(t,i){var n=new e.Color(this.color).getSource();n[0]=this.alpha*n[0]/255,n[1]=this.alpha*n[1]/255,n[2]=this.alpha*n[2]/255,n[3]=this.alpha,t.uniform4fv(i.uColor,n)},toObject:function(){return{type:this.type,color:this.color,mode:this.mode,alpha:this.alpha}}}),e.Image.filters.BlendColor.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric,i=e.Image.filters,n=e.util.createClass;i.BlendImage=n(i.BaseFilter,{type:"BlendImage",image:null,mode:"multiply",alpha:1,vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nuniform mat3 uTransformMatrix;\nvoid main() {\nvTexCoord = aPosition;\nvTexCoord2 = (uTransformMatrix * vec3(aPosition, 1.0)).xy;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:{multiply:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.rgba *= color2.rgba;\ngl_FragColor = color;\n}",mask:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.a = color2.a;\ngl_FragColor = color;\n}"},retrieveShader:function(t){var e=this.type+"_"+this.mode,i=this.fragmentSource[this.mode];return t.programCache.hasOwnProperty(e)||(t.programCache[e]=this.createProgram(t.context,i)),t.programCache[e]},applyToWebGL:function(t){var e=t.context,i=this.createTexture(t.filterBackend,this.image);this.bindAdditionalTexture(e,i,e.TEXTURE1),this.callSuper("applyToWebGL",t),this.unbindAdditionalTexture(e,e.TEXTURE1)},createTexture:function(t,e){return t.getCachedTexture(e.cacheKey,e._element)},calculateMatrix:function(){var t=this.image,e=t._element.width,i=t._element.height;return[1/t.scaleX,0,0,0,1/t.scaleY,0,-t.left/e,-t.top/i,1]},applyTo2d:function(t){var i,n,r,s,o,a,h,c,l,u,f,d=t.imageData,p=t.filterBackend.resources,g=d.data,m=g.length,v=d.width,b=d.height,y=this.image;p.blendImage||(p.blendImage=e.util.createCanvasElement()),u=(l=p.blendImage).getContext("2d"),l.width!==v||l.height!==b?(l.width=v,l.height=b):u.clearRect(0,0,v,b),u.setTransform(y.scaleX,0,0,y.scaleY,y.left,y.top),u.drawImage(y._element,0,0,v,b),f=u.getImageData(0,0,v,b).data;for(var _=0;_<m;_+=4)switch(o=g[_],a=g[_+1],h=g[_+2],c=g[_+3],i=f[_],n=f[_+1],r=f[_+2],s=f[_+3],this.mode){case"multiply":g[_]=o*i/255,g[_+1]=a*n/255,g[_+2]=h*r/255,g[_+3]=c*s/255;break;case"mask":g[_+3]=s}},getUniformLocations:function(t,e){return{uTransformMatrix:t.getUniformLocation(e,"uTransformMatrix"),uImage:t.getUniformLocation(e,"uImage")}},sendUniformData:function(t,e){var i=this.calculateMatrix();t.uniform1i(e.uImage,1),t.uniformMatrix3fv(e.uTransformMatrix,!1,i)},toObject:function(){return{type:this.type,image:this.image&&this.image.toObject(),mode:this.mode,alpha:this.alpha}}}),e.Image.filters.BlendImage.fromObject=function(t,i){e.Image.fromObject(t.image,(function(n){var r=e.util.object.clone(t);r.image=n,i(new e.Image.filters.BlendImage(r))}))}}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=Math.pow,n=Math.floor,r=Math.sqrt,s=Math.abs,o=Math.round,a=Math.sin,h=Math.ceil,c=e.Image.filters,l=e.util.createClass;c.Resize=l(c.BaseFilter,{type:"Resize",resizeType:"hermite",scaleX:1,scaleY:1,lanczosLobes:3,getUniformLocations:function(t,e){return{uDelta:t.getUniformLocation(e,"uDelta"),uTaps:t.getUniformLocation(e,"uTaps")}},sendUniformData:function(t,e){t.uniform2fv(e.uDelta,this.horizontal?[1/this.width,0]:[0,1/this.height]),t.uniform1fv(e.uTaps,this.taps)},retrieveShader:function(t){var e=this.getFilterWindow(),i=this.type+"_"+e;if(!t.programCache.hasOwnProperty(i)){var n=this.generateShader(e);t.programCache[i]=this.createProgram(t.context,n)}return t.programCache[i]},getFilterWindow:function(){var t=this.tempScale;return Math.ceil(this.lanczosLobes/t)},getTaps:function(){for(var t=this.lanczosCreate(this.lanczosLobes),e=this.tempScale,i=this.getFilterWindow(),n=new Array(i),r=1;r<=i;r++)n[r-1]=t(r*e);return n},generateShader:function(t){for(var e=new Array(t),i=this.fragmentSourceTOP,n=1;n<=t;n++)e[n-1]=n+".0 * uDelta";return i+="uniform float uTaps["+t+"];\n",i+="void main() {\n",i+="  vec4 color = texture2D(uTexture, vTexCoord);\n",i+="  float sum = 1.0;\n",e.forEach((function(t,e){i+="  color += texture2D(uTexture, vTexCoord + "+t+") * uTaps["+e+"];\n",i+="  color += texture2D(uTexture, vTexCoord - "+t+") * uTaps["+e+"];\n",i+="  sum += 2.0 * uTaps["+e+"];\n"})),i+="  gl_FragColor = color / sum;\n",i+="}"},fragmentSourceTOP:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\n",applyTo:function(t){t.webgl?(t.passes++,this.width=t.sourceWidth,this.horizontal=!0,this.dW=Math.round(this.width*this.scaleX),this.dH=t.sourceHeight,this.tempScale=this.dW/this.width,this.taps=this.getTaps(),t.destinationWidth=this.dW,this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t),t.sourceWidth=t.destinationWidth,this.height=t.sourceHeight,this.horizontal=!1,this.dH=Math.round(this.height*this.scaleY),this.tempScale=this.dH/this.height,this.taps=this.getTaps(),t.destinationHeight=this.dH,this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t),t.sourceHeight=t.destinationHeight):this.applyTo2d(t)},isNeutralState:function(){return 1===this.scaleX&&1===this.scaleY},lanczosCreate:function(t){return function(e){if(e>=t||e<=-t)return 0;if(e<1.1920929e-7&&e>-1.1920929e-7)return 1;var i=(e*=Math.PI)/t;return a(e)/e*a(i)/i}},applyTo2d:function(t){var e=t.imageData,i=this.scaleX,n=this.scaleY;this.rcpScaleX=1/i,this.rcpScaleY=1/n;var r,s=e.width,a=e.height,h=o(s*i),c=o(a*n);"sliceHack"===this.resizeType?r=this.sliceByTwo(t,s,a,h,c):"hermite"===this.resizeType?r=this.hermiteFastResize(t,s,a,h,c):"bilinear"===this.resizeType?r=this.bilinearFiltering(t,s,a,h,c):"lanczos"===this.resizeType&&(r=this.lanczosResize(t,s,a,h,c)),t.imageData=r},sliceByTwo:function(t,i,r,s,o){var a,h,c=t.imageData,l=!1,u=!1,f=.5*i,d=.5*r,p=e.filterBackend.resources,g=0,m=0,v=i,b=0;for(p.sliceByTwo||(p.sliceByTwo=document.createElement("canvas")),((a=p.sliceByTwo).width<1.5*i||a.height<r)&&(a.width=1.5*i,a.height=r),(h=a.getContext("2d")).clearRect(0,0,1.5*i,r),h.putImageData(c,0,0),s=n(s),o=n(o);!l||!u;)i=f,r=d,s<n(.5*f)?f=n(.5*f):(f=s,l=!0),o<n(.5*d)?d=n(.5*d):(d=o,u=!0),h.drawImage(a,g,m,i,r,v,b,f,d),g=v,m=b,b+=d;return h.getImageData(g,m,s,o)},lanczosResize:function(t,e,o,a,c){var l=t.imageData.data,u=t.ctx.createImageData(a,c),f=u.data,d=this.lanczosCreate(this.lanczosLobes),p=this.rcpScaleX,g=this.rcpScaleY,m=2/this.rcpScaleX,v=2/this.rcpScaleY,b=h(p*this.lanczosLobes/2),y=h(g*this.lanczosLobes/2),_={},x={},S={};return function t(h){var w,C,T,O,E,P,k,A,D,j,L;for(x.x=(h+.5)*p,S.x=n(x.x),w=0;w<c;w++){for(x.y=(w+.5)*g,S.y=n(x.y),E=0,P=0,k=0,A=0,D=0,C=S.x-b;C<=S.x+b;C++)if(!(C<0||C>=e)){j=n(1e3*s(C-x.x)),_[j]||(_[j]={});for(var F=S.y-y;F<=S.y+y;F++)F<0||F>=o||(L=n(1e3*s(F-x.y)),_[j][L]||(_[j][L]=d(r(i(j*m,2)+i(L*v,2))/1e3)),(T=_[j][L])>0&&(E+=T,P+=T*l[O=4*(F*e+C)],k+=T*l[O+1],A+=T*l[O+2],D+=T*l[O+3]))}f[O=4*(w*a+h)]=P/E,f[O+1]=k/E,f[O+2]=A/E,f[O+3]=D/E}return++h<a?t(h):u}(0)},bilinearFiltering:function(t,e,i,r,s){var o,a,h,c,l,u,f,d,p,g=0,m=this.rcpScaleX,v=this.rcpScaleY,b=4*(e-1),y=t.imageData.data,_=t.ctx.createImageData(r,s),x=_.data;for(h=0;h<s;h++)for(c=0;c<r;c++)for(l=m*c-(o=n(m*c)),u=v*h-(a=n(v*h)),p=4*(a*e+o),f=0;f<4;f++)d=y[p+f]*(1-l)*(1-u)+y[p+4+f]*l*(1-u)+y[p+b+f]*u*(1-l)+y[p+b+4+f]*l*u,x[g++]=d;return _},hermiteFastResize:function(t,e,i,o,a){for(var c=this.rcpScaleX,l=this.rcpScaleY,u=h(c/2),f=h(l/2),d=t.imageData.data,p=t.ctx.createImageData(o,a),g=p.data,m=0;m<a;m++)for(var v=0;v<o;v++){for(var b=4*(v+m*o),y=0,_=0,x=0,S=0,w=0,C=0,T=0,O=(m+.5)*l,E=n(m*l);E<(m+1)*l;E++)for(var P=s(O-(E+.5))/f,k=(v+.5)*c,A=P*P,D=n(v*c);D<(v+1)*c;D++){var j=s(k-(D+.5))/u,L=r(A+j*j);L>1&&L<-1||(y=2*L*L*L-3*L*L+1)>0&&(T+=y*d[(j=4*(D+E*e))+3],x+=y,d[j+3]<255&&(y=y*d[j+3]/250),S+=y*d[j],w+=y*d[j+1],C+=y*d[j+2],_+=y)}g[b]=S/_,g[b+1]=w/_,g[b+2]=C/_,g[b+3]=T/x}return p},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Contrast=n(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i=t.imageData.data,n=i.length,r=Math.floor(255*this.contrast),s=259*(r+255)/(255*(259-r));for(e=0;e<n;e+=4)i[e]=s*(i[e]-128)+128,i[e+1]=s*(i[e+1]-128)+128,i[e+2]=s*(i[e+2]-128)+128}},getUniformLocations:function(t,e){return{uContrast:t.getUniformLocation(e,"uContrast")}},sendUniformData:function(t,e){t.uniform1f(e.uContrast,this.contrast)}}),e.Image.filters.Contrast.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Saturation=n(i.BaseFilter,{type:"Saturation",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uSaturation;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat rgMax = max(color.r, color.g);\nfloat rgbMax = max(rgMax, color.b);\ncolor.r += rgbMax != color.r ? (rgbMax - color.r) * uSaturation : 0.00;\ncolor.g += rgbMax != color.g ? (rgbMax - color.g) * uSaturation : 0.00;\ncolor.b += rgbMax != color.b ? (rgbMax - color.b) * uSaturation : 0.00;\ngl_FragColor = color;\n}",saturation:0,mainParameter:"saturation",applyTo2d:function(t){if(0!==this.saturation){var e,i,n=t.imageData.data,r=n.length,s=-this.saturation;for(e=0;e<r;e+=4)i=Math.max(n[e],n[e+1],n[e+2]),n[e]+=i!==n[e]?(i-n[e])*s:0,n[e+1]+=i!==n[e+1]?(i-n[e+1])*s:0,n[e+2]+=i!==n[e+2]?(i-n[e+2])*s:0}},getUniformLocations:function(t,e){return{uSaturation:t.getUniformLocation(e,"uSaturation")}},sendUniformData:function(t,e){t.uniform1f(e.uSaturation,-this.saturation)}}),e.Image.filters.Saturation.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Blur=n(i.BaseFilter,{type:"Blur",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\nconst float nSamples = 15.0;\nvec3 v3offset = vec3(12.9898, 78.233, 151.7182);\nfloat random(vec3 scale) {\nreturn fract(sin(dot(gl_FragCoord.xyz, scale)) * 43758.5453);\n}\nvoid main() {\nvec4 color = vec4(0.0);\nfloat total = 0.0;\nfloat offset = random(v3offset);\nfor (float t = -nSamples; t <= nSamples; t++) {\nfloat percent = (t + offset - 0.5) / nSamples;\nfloat weight = 1.0 - abs(percent);\ncolor += texture2D(uTexture, vTexCoord + uDelta * percent) * weight;\ntotal += weight;\n}\ngl_FragColor = color / total;\n}",blur:0,mainParameter:"blur",applyTo:function(t){t.webgl?(this.aspectRatio=t.sourceWidth/t.sourceHeight,t.passes++,this._setupFrameBuffer(t),this.horizontal=!0,this.applyToWebGL(t),this._swapTextures(t),this._setupFrameBuffer(t),this.horizontal=!1,this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},applyTo2d:function(t){t.imageData=this.simpleBlur(t)},simpleBlur:function(t){var i,n,r=t.filterBackend.resources,s=t.imageData.width,o=t.imageData.height;r.blurLayer1||(r.blurLayer1=e.util.createCanvasElement(),r.blurLayer2=e.util.createCanvasElement()),i=r.blurLayer1,n=r.blurLayer2,i.width===s&&i.height===o||(n.width=i.width=s,n.height=i.height=o);var a,h,c,l,u=i.getContext("2d"),f=n.getContext("2d"),d=.06*this.blur*.5;for(u.putImageData(t.imageData,0,0),f.clearRect(0,0,s,o),l=-15;l<=15;l++)c=d*(h=l/15)*s+(a=(Math.random()-.5)/4),f.globalAlpha=1-Math.abs(h),f.drawImage(i,c,a),u.drawImage(n,0,0),f.globalAlpha=1,f.clearRect(0,0,n.width,n.height);for(l=-15;l<=15;l++)c=d*(h=l/15)*o+(a=(Math.random()-.5)/4),f.globalAlpha=1-Math.abs(h),f.drawImage(i,a,c),u.drawImage(n,0,0),f.globalAlpha=1,f.clearRect(0,0,n.width,n.height);t.ctx.drawImage(i,0,0);var p=t.ctx.getImageData(0,0,i.width,i.height);return u.globalAlpha=1,u.clearRect(0,0,i.width,i.height),p},getUniformLocations:function(t,e){return{delta:t.getUniformLocation(e,"uDelta")}},sendUniformData:function(t,e){var i=this.chooseRightDelta();t.uniform2fv(e.delta,i)},chooseRightDelta:function(){var t,e=1,i=[0,0];return this.horizontal?this.aspectRatio>1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),i.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Gamma=n(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",initialize:function(t){this.gamma=[1,1,1],i.BaseFilter.prototype.initialize.call(this,t)},applyTo2d:function(t){var e,i=t.imageData.data,n=this.gamma,r=i.length,s=1/n[0],o=1/n[1],a=1/n[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,r=256;e<r;e++)this.rVals[e]=255*Math.pow(e/255,s),this.gVals[e]=255*Math.pow(e/255,o),this.bVals[e]=255*Math.pow(e/255,a);for(e=0,r=i.length;e<r;e+=4)i[e]=this.rVals[i[e]],i[e+1]=this.gVals[i[e+1]],i[e+2]=this.bVals[i[e+2]]},getUniformLocations:function(t,e){return{uGamma:t.getUniformLocation(e,"uGamma")}},sendUniformData:function(t,e){t.uniform3fv(e.uGamma,this.gamma)}}),e.Image.filters.Gamma.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Composed=n(i.BaseFilter,{type:"Composed",subFilters:[],initialize:function(t){this.callSuper("initialize",t),this.subFilters=this.subFilters.slice(0)},applyTo:function(t){t.passes+=this.subFilters.length-1,this.subFilters.forEach((function(e){e.applyTo(t)}))},toObject:function(){return e.util.object.extend(this.callSuper("toObject"),{subFilters:this.subFilters.map((function(t){return t.toObject()}))})},isNeutralState:function(){return!this.subFilters.some((function(t){return!t.isNeutralState()}))}}),e.Image.filters.Composed.fromObject=function(t,i){var n=(t.subFilters||[]).map((function(t){return new e.Image.filters[t.type](t)})),r=new e.Image.filters.Composed({subFilters:n});return i&&i(r),r}}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.HueRotation=n(i.ColorMatrix,{type:"HueRotation",rotation:0,mainParameter:"rotation",calculateMatrix:function(){var t=this.rotation*Math.PI,i=e.util.cos(t),n=e.util.sin(t),r=Math.sqrt(1/3)*n,s=1-i;this.matrix=[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],this.matrix[0]=i+s/3,this.matrix[1]=1/3*s-r,this.matrix[2]=1/3*s+r,this.matrix[5]=1/3*s+r,this.matrix[6]=i+1/3*s,this.matrix[7]=1/3*s-r,this.matrix[10]=1/3*s-r,this.matrix[11]=1/3*s+r,this.matrix[12]=i+1/3*s},isNeutralState:function(t){return this.calculateMatrix(),i.BaseFilter.prototype.isNeutralState.call(this,t)},applyTo:function(t){this.calculateMatrix(),i.BaseFilter.prototype.applyTo.call(this,t)}}),e.Image.filters.HueRotation.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.clone;e.Text?e.warn("fabric.Text is already defined"):(e.Text=e.util.createClass(e.Object,{_dimensionAffectingProps:["fontSize","fontWeight","fontFamily","fontStyle","lineHeight","text","charSpacing","textAlign","styles"],_reNewline:/\r?\n/,_reSpacesAndTabs:/[ \t\r]/g,_reSpaceAndTab:/[ \t\r]/,_reWords:/\S+/g,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",underline:!1,overline:!1,linethrough:!1,textAlign:"left",fontStyle:"normal",lineHeight:1.16,superscript:{size:.6,baseline:-.35},subscript:{size:.6,baseline:.11},textBackgroundColor:"",stateProperties:e.Object.prototype.stateProperties.concat("fontFamily","fontWeight","fontSize","text","underline","overline","linethrough","textAlign","fontStyle","lineHeight","textBackgroundColor","charSpacing","styles"),cacheProperties:e.Object.prototype.cacheProperties.concat("fontFamily","fontWeight","fontSize","text","underline","overline","linethrough","textAlign","fontStyle","lineHeight","textBackgroundColor","charSpacing","styles"),stroke:null,shadow:null,_fontSizeFraction:.222,offsets:{underline:.1,linethrough:-.315,overline:-.88},_fontSizeMult:1.13,charSpacing:0,styles:null,_measuringContext:null,deltaY:0,_styleProperties:["stroke","strokeWidth","fill","fontFamily","fontSize","fontWeight","fontStyle","underline","overline","linethrough","deltaY","textBackgroundColor"],__charBounds:[],CACHE_FONT_SIZE:400,MIN_TEXT_WIDTH:2,initialize:function(t,e){this.styles=e&&e.styles||{},this.text=t,this.__skipDimension=!0,this.callSuper("initialize",e),this.__skipDimension=!1,this.initDimensions(),this.setCoords(),this.setupState({propertySet:"_dimensionAffectingProps"})},getMeasuringContext:function(){return e._measuringContext||(e._measuringContext=this.canvas&&this.canvas.contextCache||e.util.createCanvasElement().getContext("2d")),e._measuringContext},_splitText:function(){var t=this._splitTextIntoLines(this.text);return this.textLines=t.lines,this._textLines=t.graphemeLines,this._unwrappedTextLines=t._unwrappedLines,this._text=t.graphemeText,t},initDimensions:function(){this.__skipDimension||(this._splitText(),this._clearCache(),this.width=this.calcTextWidth()||this.cursorWidth||this.MIN_TEXT_WIDTH,-1!==this.textAlign.indexOf("justify")&&this.enlargeSpaces(),this.height=this.calcTextHeight(),this.saveState({propertySet:"_dimensionAffectingProps"}))},enlargeSpaces:function(){for(var t,e,i,n,r,s,o,a=0,h=this._textLines.length;a<h;a++)if(("justify"===this.textAlign||a!==h-1&&!this.isEndOfWrapping(a))&&(n=0,r=this._textLines[a],(e=this.getLineWidth(a))<this.width&&(o=this.textLines[a].match(this._reSpacesAndTabs)))){i=o.length,t=(this.width-e)/i;for(var c=0,l=r.length;c<=l;c++)s=this.__charBounds[a][c],this._reSpaceAndTab.test(r[c])?(s.width+=t,s.kernedWidth+=t,s.left+=n,n+=t):s.left+=n}},isEndOfWrapping:function(t){return t===this._textLines.length-1},missingNewlineOffset:function(){return 1},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){"stroke"===this.paintFirst?(this._renderTextStroke(t),this._renderTextFill(t)):(this._renderTextFill(t),this._renderTextStroke(t))},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;e<i;e++){var n=this.getLineWidth(e);n>t&&(t=n)}return t},_renderTextLine:function(t,e,i,n,r,s){this._renderChars(t,e,i,n,r,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,n,r,s,o,a=0,h=t.fillStyle,c=this._getLeftOffset(),l=this._getTopOffset(),u=0,f=0,d=0,p=this._textLines.length;d<p;d++)if(e=this.getHeightOfLine(d),this.textBackgroundColor||this.styleHas("textBackgroundColor",d)){n=this._textLines[d],i=this._getLineLeftOffset(d),f=0,u=0,r=this.getValueOfPropertyAt(d,0,"textBackgroundColor");for(var g=0,m=n.length;g<m;g++)s=this.__charBounds[d][g],(o=this.getValueOfPropertyAt(d,g,"textBackgroundColor"))!==r?(t.fillStyle=r,r&&t.fillRect(c+i+u,l+a,f,e/this.lineHeight),u=s.left,f=s.width,r=o):f+=s.kernedWidth;o&&(t.fillStyle=o,t.fillRect(c+i+u,l+a,f,e/this.lineHeight)),a+=e}else a+=e;t.fillStyle=h,this._removeShadow(t)}},getFontCache:function(t){var i=t.fontFamily.toLowerCase();e.charWidthsCache[i]||(e.charWidthsCache[i]={});var n=e.charWidthsCache[i],r=t.fontStyle.toLowerCase()+"_"+(t.fontWeight+"").toLowerCase();return n[r]||(n[r]={}),n[r]},_applyCharStyles:function(t,e,i,n,r){this._setFillStyles(e,r),this._setStrokeStyles(e,r),e.font=this._getFontDeclaration(r)},_measureChar:function(t,e,i,n){var r,s,o,a,h=this.getFontCache(e),c=i+t,l=this._getFontDeclaration(e)===this._getFontDeclaration(n),u=e.fontSize/this.CACHE_FONT_SIZE;if(i&&void 0!==h[i]&&(o=h[i]),void 0!==h[t]&&(a=r=h[t]),l&&void 0!==h[c]&&(a=(s=h[c])-o),void 0===r||void 0===o||void 0===s){var f=this.getMeasuringContext();this._setTextStyles(f,e,!0)}return void 0===r&&(a=r=f.measureText(t).width,h[t]=r),void 0===o&&l&&i&&(o=f.measureText(i).width,h[i]=o),l&&void 0===s&&(s=f.measureText(c).width,h[c]=s,a=s-o),{width:r*u,kernedWidth:a*u}},getHeightOfChar:function(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")},measureLine:function(t){var e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e},_measureLine:function(t){var e,i,n,r,s=0,o=this._textLines[t],a=new Array(o.length);for(this.__charBounds[t]=a,e=0;e<o.length;e++)i=o[e],r=this._getGraphemeBox(i,t,e,n),a[e]=r,s+=r.kernedWidth,n=i;return a[e]={left:r?r.left+r.width:0,width:0,kernedWidth:0,height:this.fontSize},{width:s,numOfSpaces:0}},_getGraphemeBox:function(t,e,i,n,r){var s,o=this.getCompleteStyleDeclaration(e,i),a=n?this.getCompleteStyleDeclaration(e,i-1):{},h=this._measureChar(t,o,n,a),c=h.kernedWidth,l=h.width;0!==this.charSpacing&&(l+=s=this._getWidthOfCharSpacing(),c+=s);var u={width:l,left:0,height:o.fontSize,kernedWidth:c,deltaY:o.deltaY};if(i>0&&!r){var f=this.__charBounds[e][i-1];u.left=f.left+f.width+h.kernedWidth-h.width}return u},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),n=1,r=e.length;n<r;n++)i=Math.max(this.getHeightOfChar(t,n),i);return this.__lineHeights[t]=i*this.lineHeight*this._fontSizeMult},calcTextHeight:function(){for(var t,e=0,i=0,n=this._textLines.length;i<n;i++)t=this.getHeightOfLine(i),e+=i===n-1?t/this.lineHeight:t;return e},_getLeftOffset:function(){return-this.width/2},_getTopOffset:function(){return-this.height/2},_applyPatternGradientTransform:function(t,e){if(!e||!e.toLive)return{offsetX:0,offsetY:0};var i=-this.width/2+e.offsetX||0,n=-this.height/2+e.offsetY||0;return t.transform(1,0,0,1,i,n),{offsetX:i,offsetY:n}},_renderTextCommon:function(t,e){t.save();for(var i=0,n=this._getLeftOffset(),r=this._getTopOffset(),s=this._applyPatternGradientTransform(t,"fillText"===e?this.fill:this.stroke),o=0,a=this._textLines.length;o<a;o++){var h=this.getHeightOfLine(o),c=h/this.lineHeight,l=this._getLineLeftOffset(o);this._renderTextLine(e,t,this._textLines[o],n+l-s.offsetX,r+i+c-s.offsetY,o),i+=h}t.restore()},_renderTextFill:function(t){(this.fill||this.styleHas("fill"))&&this._renderTextCommon(t,"fillText")},_renderTextStroke:function(t){(this.stroke&&0!==this.strokeWidth||!this.isEmptyStyles())&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray),t.beginPath(),this._renderTextCommon(t,"strokeText"),t.closePath(),t.restore())},_renderChars:function(t,e,i,n,r,s){var o,a,h,c,l=this.getHeightOfLine(s),u=-1!==this.textAlign.indexOf("justify"),f="",d=0,p=!u&&0===this.charSpacing&&this.isEmptyStyles(s);if(e.save(),r-=l*this._fontSizeFraction/this.lineHeight,p)return this._renderChar(t,e,s,0,this.textLines[s],n,r,l),void e.restore();for(var g=0,m=i.length-1;g<=m;g++)c=g===m||this.charSpacing,f+=i[g],h=this.__charBounds[s][g],0===d?(n+=h.kernedWidth-h.width,d+=h.width):d+=h.kernedWidth,u&&!c&&this._reSpaceAndTab.test(i[g])&&(c=!0),c||(o=o||this.getCompleteStyleDeclaration(s,g),a=this.getCompleteStyleDeclaration(s,g+1),c=this._hasStyleChanged(o,a)),c&&(this._renderChar(t,e,s,g,f,n,r,l),f="",o=a,n+=d,d=0);e.restore()},_renderChar:function(t,e,i,n,r,s,o){var a=this._getStyleDeclaration(i,n),h=this.getCompleteStyleDeclaration(i,n),c="fillText"===t&&h.fill,l="strokeText"===t&&h.stroke&&h.strokeWidth;(l||c)&&(a&&e.save(),this._applyCharStyles(t,e,i,n,h),a&&a.textBackgroundColor&&this._removeShadow(e),a&&a.deltaY&&(o+=a.deltaY),c&&e.fillText(r,s,o),l&&e.strokeText(r,s,o),a&&e.restore())},setSuperscript:function(t,e){return this._setScript(t,e,this.superscript)},setSubscript:function(t,e){return this._setScript(t,e,this.subscript)},_setScript:function(t,e,i){var n=this.get2DCursorLocation(t,!0),r=this.getValueOfPropertyAt(n.lineIndex,n.charIndex,"fontSize"),s=this.getValueOfPropertyAt(n.lineIndex,n.charIndex,"deltaY"),o={fontSize:r*i.size,deltaY:s+r*i.baseline};return this.setSelectionStyles(o,t,e),this},_hasStyleChanged:function(t,e){return t.fill!==e.fill||t.stroke!==e.stroke||t.strokeWidth!==e.strokeWidth||t.fontSize!==e.fontSize||t.fontFamily!==e.fontFamily||t.fontWeight!==e.fontWeight||t.fontStyle!==e.fontStyle||t.deltaY!==e.deltaY},_hasStyleChangedForSvg:function(t,e){return this._hasStyleChanged(t,e)||t.overline!==e.overline||t.underline!==e.underline||t.linethrough!==e.linethrough},_getLineLeftOffset:function(t){var e=this.getLineWidth(t);return"center"===this.textAlign?(this.width-e)/2:"right"===this.textAlign?this.width-e:"justify-center"===this.textAlign&&this.isEndOfWrapping(t)?(this.width-e)/2:"justify-right"===this.textAlign&&this.isEndOfWrapping(t)?this.width-e:0},_clearCache:function(){this.__lineWidths=[],this.__lineHeights=[],this.__charBounds=[]},_shouldClearDimensionCache:function(){var t=this._forceClearCache;return t||(t=this.hasStateChanged("_dimensionAffectingProps")),t&&(this.dirty=!0,this._forceClearCache=!1),t},getLineWidth:function(t){return this.__lineWidths[t]?this.__lineWidths[t]:(e=""===this._textLines[t]?0:this.measureLine(t).width,this.__lineWidths[t]=e,e);var e},_getWidthOfCharSpacing:function(){return 0!==this.charSpacing?this.fontSize*this.charSpacing/1e3:0},getValueOfPropertyAt:function(t,e,i){var n=this._getStyleDeclaration(t,e);return n&&void 0!==n[i]?n[i]:this[i]},_renderTextDecoration:function(t,e){if(this[e]||this.styleHas(e)){for(var i,n,r,s,o,a,h,c,l,u,f,d,p,g,m,v,b=this._getLeftOffset(),y=this._getTopOffset(),_=this._getWidthOfCharSpacing(),x=0,S=this._textLines.length;x<S;x++)if(i=this.getHeightOfLine(x),this[e]||this.styleHas(e,x)){h=this._textLines[x],g=i/this.lineHeight,s=this._getLineLeftOffset(x),u=0,f=0,c=this.getValueOfPropertyAt(x,0,e),v=this.getValueOfPropertyAt(x,0,"fill"),l=y+g*(1-this._fontSizeFraction),n=this.getHeightOfChar(x,0),o=this.getValueOfPropertyAt(x,0,"deltaY");for(var w=0,C=h.length;w<C;w++)d=this.__charBounds[x][w],p=this.getValueOfPropertyAt(x,w,e),m=this.getValueOfPropertyAt(x,w,"fill"),r=this.getHeightOfChar(x,w),a=this.getValueOfPropertyAt(x,w,"deltaY"),(p!==c||m!==v||r!==n||a!==o)&&f>0?(t.fillStyle=v,c&&v&&t.fillRect(b+s+u,l+this.offsets[e]*n+o,f,this.fontSize/15),u=d.left,f=d.width,c=p,v=m,n=r,o=a):f+=d.kernedWidth;t.fillStyle=m,p&&m&&t.fillRect(b+s+u,l+this.offsets[e]*n+o,f-_,this.fontSize/15),y+=i}else y+=i;this._removeShadow(t)}},_getFontDeclaration:function(t,i){var n=t||this,r=this.fontFamily,s=e.Text.genericFonts.indexOf(r.toLowerCase())>-1,o=void 0===r||r.indexOf("'")>-1||r.indexOf(",")>-1||r.indexOf('"')>-1||s?n.fontFamily:'"'+n.fontFamily+'"';return[e.isLikelyNode?n.fontWeight:n.fontStyle,e.isLikelyNode?n.fontStyle:n.fontWeight,i?this.CACHE_FONT_SIZE+"px":n.fontSize+"px",o].join(" ")},render:function(t){this.visible&&(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t)))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),n=new Array(i.length),r=["\n"],s=[],o=0;o<i.length;o++)n[o]=e.util.string.graphemeSplit(i[o]),s=s.concat(n[o],r);return s.pop(),{_unwrappedLines:n,lines:i,graphemeText:s,graphemeLines:n}},toObject:function(t){var e=["text","fontSize","fontWeight","fontFamily","fontStyle","lineHeight","underline","overline","linethrough","textAlign","textBackgroundColor","charSpacing"].concat(t),n=this.callSuper("toObject",e);return n.styles=i(this.styles,!0),n},set:function(t,e){this.callSuper("set",t,e);var i=!1;if("object"==typeof t)for(var n in t)i=i||-1!==this._dimensionAffectingProps.indexOf(n);else i=-1!==this._dimensionAffectingProps.indexOf(t);return i&&(this.initDimensions(),this.setCoords()),this},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size letter-spacing text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,n,r){if(!t)return n(null);var s=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES),o=s.textAnchor||"left";if((r=e.util.object.extend(r?i(r):{},s)).top=r.top||0,r.left=r.left||0,s.textDecoration){var a=s.textDecoration;-1!==a.indexOf("underline")&&(r.underline=!0),-1!==a.indexOf("overline")&&(r.overline=!0),-1!==a.indexOf("line-through")&&(r.linethrough=!0),delete r.textDecoration}"dx"in s&&(r.left+=s.dx),"dy"in s&&(r.top+=s.dy),"fontSize"in r||(r.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE);var h="";"textContent"in t?h=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(h=t.firstChild.data),h=h.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var c=r.strokeWidth;r.strokeWidth=0;var l=new e.Text(h,r),u=l.getScaledHeight()/l.height,f=((l.height+l.strokeWidth)*l.lineHeight-l.height)*u,d=l.getScaledHeight()+f,p=0;"center"===o&&(p=l.getScaledWidth()/2),"right"===o&&(p=l.getScaledWidth()),l.set({left:l.left-p,top:l.top-(d-l.fontSize*(.07+l._fontSizeFraction))/l.lineHeight,strokeWidth:void 0!==c?c:1}),n(l)},e.Text.fromObject=function(t,i){return e.Object._fromObject("Text",t,i,"text")},e.Text.genericFonts=["sans-serif","serif","cursive","fantasy","monospace"],e.util.createAccessors&&e.util.createAccessors(e.Text))}(e),C.util.object.extend(C.Text.prototype,{isEmptyStyles:function(t){if(!this.styles)return!0;if(void 0!==t&&!this.styles[t])return!0;var e=void 0===t?this.styles:{line:this.styles[t]};for(var i in e)for(var n in e[i])for(var r in e[i][n])return!1;return!0},styleHas:function(t,e){if(!this.styles||!t||""===t)return!1;if(void 0!==e&&!this.styles[e])return!1;var i=void 0===e?this.styles:{0:this.styles[e]};for(var n in i)for(var r in i[n])if(void 0!==i[n][r][t])return!0;return!1},cleanStyle:function(t){if(!this.styles||!t||""===t)return!1;var e,i,n=this.styles,r=0,s=!0,o=0;for(var a in n){for(var h in e=0,n[a]){var c;r++,(c=n[a][h]).hasOwnProperty(t)?(i?c[t]!==i&&(s=!1):i=c[t],c[t]===this[t]&&delete c[t]):s=!1,0!==Object.keys(c).length?e++:delete n[a][h]}0===e&&delete n[a]}for(var l=0;l<this._textLines.length;l++)o+=this._textLines[l].length;s&&r===o&&(this[t]=i,this.removeStyle(t))},removeStyle:function(t){if(this.styles&&t&&""!==t){var e,i,n,r=this.styles;for(i in r){for(n in e=r[i])delete e[n][t],0===Object.keys(e[n]).length&&delete e[n];0===Object.keys(e).length&&delete r[i]}}},_extendStyles:function(t,e){var i=this.get2DCursorLocation(t);this._getLineStyle(i.lineIndex)||this._setLineStyle(i.lineIndex),this._getStyleDeclaration(i.lineIndex,i.charIndex)||this._setStyleDeclaration(i.lineIndex,i.charIndex,{}),C.util.object.extend(this._getStyleDeclaration(i.lineIndex,i.charIndex),e)},get2DCursorLocation:function(t,e){void 0===t&&(t=this.selectionStart);for(var i=e?this._unwrappedTextLines:this._textLines,n=i.length,r=0;r<n;r++){if(t<=i[r].length)return{lineIndex:r,charIndex:t};t-=i[r].length+this.missingNewlineOffset(r)}return{lineIndex:r-1,charIndex:i[r-1].length<t?i[r-1].length:t}},getSelectionStyles:function(t,e,i){void 0===t&&(t=this.selectionStart||0),void 0===e&&(e=this.selectionEnd||t);for(var n=[],r=t;r<e;r++)n.push(this.getStyleAtPosition(r,i));return n},getStyleAtPosition:function(t,e){var i=this.get2DCursorLocation(t);return(e?this.getCompleteStyleDeclaration(i.lineIndex,i.charIndex):this._getStyleDeclaration(i.lineIndex,i.charIndex))||{}},setSelectionStyles:function(t,e,i){void 0===e&&(e=this.selectionStart||0),void 0===i&&(i=this.selectionEnd||e);for(var n=e;n<i;n++)this._extendStyles(n,t);return this._forceClearCache=!0,this},_getStyleDeclaration:function(t,e){var i=this.styles&&this.styles[t];return i?i[e]:null},getCompleteStyleDeclaration:function(t,e){for(var i,n=this._getStyleDeclaration(t,e)||{},r={},s=0;s<this._styleProperties.length;s++)r[i=this._styleProperties[s]]=void 0===n[i]?this[i]:n[i];return r},_setStyleDeclaration:function(t,e,i){this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){delete this.styles[t][e]},_getLineStyle:function(t){return!!this.styles[t]},_setLineStyle:function(t){this.styles[t]={}},_deleteLineStyle:function(t){delete this.styles[t]}}),function(){function t(t){t.textDecoration&&(t.textDecoration.indexOf("underline")>-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}C.IText=C.util.createClass(C.Text,C.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},initDimensions:function(){this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this.callSuper("initDimensions")},render:function(t){this.clearContextTop(),this.callSuper("render",t),this.cursorOffsetCache={},this.renderCursorOrSelection()},_render:function(t){this.callSuper("_render",t)},clearContextTop:function(t){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var e=this.canvas.contextTop,i=this.canvas.viewportTransform;e.save(),e.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this.transform(e),this.transformMatrix&&e.transform.apply(e,this.transformMatrix),this._clearTextArea(e),t||e.restore()}},renderCursorOrSelection:function(){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var t=this._getCursorBoundaries(),e=this.canvas.contextTop;this.clearContextTop(!0),this.selectionStart===this.selectionEnd?this.renderCursor(t,e):this.renderSelection(t,e),e.restore()}},_clearTextArea:function(t){var e=this.width+4,i=this.height+4;t.clearRect(-e/2,-i/2,e,i)},_getCursorBoundaries:function(t){void 0===t&&(t=this.selectionStart);var e=this._getLeftOffset(),i=this._getTopOffset(),n=this._getCursorBoundariesOffsets(t);return{left:e,top:i,leftOffset:n.left,topOffset:n.top}},_getCursorBoundariesOffsets:function(t){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache)return this.cursorOffsetCache;var e,i,n,r,s=0,o=0,a=this.get2DCursorLocation(t);n=a.charIndex,i=a.lineIndex;for(var h=0;h<i;h++)s+=this.getHeightOfLine(h);e=this._getLineLeftOffset(i);var c=this.__charBounds[i][n];return c&&(o=c.left),0!==this.charSpacing&&n===this._textLines[i].length&&(o-=this._getWidthOfCharSpacing()),r={top:s,left:e+(o>0?o:0)},this.cursorOffsetCache=r,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),n=i.lineIndex,r=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(n,r,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,h=t.topOffset,c=this.getValueOfPropertyAt(n,r,"deltaY");h+=(1-this._fontSizeFraction)*this.getHeightOfLine(n)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.getValueOfPropertyAt(n,r,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,h+t.top+c,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,n=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,r=-1!==this.textAlign.indexOf("justify"),s=this.get2DCursorLocation(i),o=this.get2DCursorLocation(n),a=s.lineIndex,h=o.lineIndex,c=s.charIndex<0?0:s.charIndex,l=o.charIndex<0?0:o.charIndex,u=a;u<=h;u++){var f,d=this._getLineLeftOffset(u)||0,p=this.getHeightOfLine(u),g=0,m=0;if(u===a&&(g=this.__charBounds[a][c].left),u>=a&&u<h)m=r&&!this.isEndOfWrapping(u)?this.width:this.getLineWidth(u)||5;else if(u===h)if(0===l)m=this.__charBounds[h][l].left;else{var v=this._getWidthOfCharSpacing();m=this.__charBounds[h][l-1].left+this.__charBounds[h][l-1].width-v}f=p,(this.lineHeight<1||u===h&&this.lineHeight>1)&&(p/=this.lineHeight),this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",e.fillRect(t.left+d+g,t.top+t.topOffset+p,m-g,1)):(e.fillStyle=this.selectionColor,e.fillRect(t.left+d+g,t.top+t.topOffset,m-g,p)),t.topOffset+=f}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),C.IText.fromObject=function(e,i){if(t(e),e.styles)for(var n in e.styles)for(var r in e.styles[n])t(e.styles[n][r]);C.Object._fromObject("IText",e,i,"text")}}(),x=C.util.object.clone,C.util.object.extend(C.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(){this.isEditing&&this.exitEditing(),this.selected=!1},initAddedHandler:function(){var t=this;this.on("added",(function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))}))},initRemovedHandler:function(){var t=this;this.on("removed",(function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],C.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))}))},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach((function(t){t.__isMousedown=!1}))},t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,n){var r;return r={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){r.isAborted||t[n]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return r.isAborted}}),r},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout((function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")}),100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout((function(){e._tick()}),i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState,e=this.canvas;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&e&&e.clearContext(e.contextTop||e.contextContainer)},selectAll:function(){return this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea(),this},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i<this._text.length;)e++,i++;return t+e},findLineBoundaryLeft:function(t){for(var e=0,i=t-1;!/\n/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i<this._text.length;)e++,i++;return t+e},searchWordBoundary:function(t,e){for(var i=this._text,n=this._reSpace.test(i[t])?t-1:t,r=i[n],s=C.reNonWord;!s.test(r)&&n>0&&n<i.length;)r=i[n+=e];return s.test(r)&&(n+=1===e?0:1),n},selectWord:function(t){t=t||this.selectionStart;var e=this.searchWordBoundary(t,-1),i=this.searchWordBoundary(t,1);this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()},selectLine:function(t){t=t||this.selectionStart;var e=this.findLineBoundaryLeft(t),i=this.findLineBoundaryRight(t);return this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this},enterEditing:function(t){if(!this.isEditing&&this.editable)return this.canvas&&(this.canvas.calcOffset(),this.exitEditingOnOthers(this.canvas)),this.isEditing=!0,this.initHiddenTextarea(t),this.hiddenTextarea.focus(),this.hiddenTextarea.value=this.text,this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._textBeforeEdit=this.text,this._tick(),this.fire("editing:entered"),this._fireSelectionChanged(),this.canvas?(this.canvas.fire("text:editing:entered",{target:this}),this.initMouseMoveHandler(),this.canvas.requestRenderAll(),this):this},exitEditingOnOthers:function(t){t._iTextInstances&&t._iTextInstances.forEach((function(t){t.selected=!1,t.isEditing&&t.exitEditing()}))},initMouseMoveHandler:function(){this.canvas.on("mouse:move",this.mouseMoveHandler)},mouseMoveHandler:function(t){if(this.__isMousedown&&this.isEditing){var e=this.getSelectionStartFromPointer(t.e),i=this.selectionStart,n=this.selectionEnd;(e===this.__selectionStartOnMouseDown&&i!==n||i!==e&&n!==e)&&(e>this.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===n||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var n=i.slice(0,t),r=C.util.string.graphemeSplit(n).length;if(t===e)return{selectionStart:r,selectionEnd:r};var s=i.slice(t,e);return{selectionStart:r,selectionEnd:r+C.util.string.graphemeSplit(s).length}},fromGraphemeToStringSelection:function(t,e,i){var n=i.slice(0,t).join("").length;return t===e?{selectionStart:n,selectionEnd:n}:{selectionStart:n,selectionEnd:n+i.slice(t,e).join("").length}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),n=i.lineIndex,r=i.charIndex,s=this.getValueOfPropertyAt(n,r,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),h={x:e.left+o,y:e.top+e.topOffset+s},c=this.canvas.getRetinaScaling(),l=this.canvas.upperCanvasEl,u=l.width/c,f=l.height/c,d=u-s,p=f-s,g=l.clientWidth/u,m=l.clientHeight/f;return h=C.util.transformPoint(h,a),(h=C.util.transformPoint(h,this.canvas.viewportTransform)).x*=g,h.y*=m,h.x<0&&(h.x=0),h.x>d&&(h.x=d),h.y<0&&(h.y=0),h.y>p&&(h.y=p),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,selectable:this.selectable,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.hoverCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.selectable=this._savedProps.selectable,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text;return this.selected=!1,this.isEditing=!1,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&(this.hiddenTextarea.blur&&this.hiddenTextarea.blur(),this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null),this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,n,r=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=r.lineIndex,a=r.charIndex,h=s.lineIndex,c=s.charIndex;if(o!==h){if(this.styles[o])for(i=a;i<this._unwrappedTextLines[o].length;i++)delete this.styles[o][i];if(this.styles[h])for(i=c;i<this._unwrappedTextLines[h].length;i++)(n=this.styles[h][i])&&(this.styles[o]||(this.styles[o]={}),this.styles[o][a+i-c]=n);for(i=o+1;i<=h;i++)delete this.styles[i];this.shiftLineStyles(h,o-h)}else if(this.styles[o]){n=this.styles[o];var l,u,f=c-a;for(i=a;i<c;i++)delete n[i];for(u in this.styles[o])(l=parseInt(u,10))>=c&&(n[l-f]=n[u],delete n[u])}},shiftLineStyles:function(t,e){var i=x(this.styles);for(var n in this.styles){var r=parseInt(n,10);r>t&&(this.styles[r+e]=i[r],i[r-e]||delete this.styles[r])}},restartCursorIfNeeded:function(){this._currentTickState&&!this._currentTickState.isAborted&&this._currentTickCompleteState&&!this._currentTickCompleteState.isAborted||this.initDelayedCursor()},insertNewlineStyleObject:function(t,e,i,n){var r,s={},o=!1;for(var a in i||(i=1),this.shiftLineStyles(t,i),this.styles[t]&&(r=this.styles[t][0===e?e:e-1]),this.styles[t]){var h=parseInt(a,10);h>=e&&(o=!0,s[h-e]=this.styles[t][a],delete this.styles[t][a])}for(o?this.styles[t+i]=s:delete this.styles[t+i];i>1;)i--,n&&n[i]?this.styles[t+i]={0:x(n[i])}:r?this.styles[t+i]={0:x(r)}:delete this.styles[t+i];this._forceClearCache=!0},insertCharStyleObject:function(t,e,i,n){this.styles||(this.styles={});var r=this.styles[t],s=r?x(r):{};for(var o in i||(i=1),s){var a=parseInt(o,10);a>=e&&(r[a+i]=s[a],s[a-i]||delete r[a])}if(this._forceClearCache=!0,n)for(;i--;)Object.keys(n[i]).length&&(this.styles[t]||(this.styles[t]={}),this.styles[t][e+i]=x(n[i]));else if(r)for(var h=r[e?e-1:1];h&&i--;)this.styles[t][e+i]=x(h)},insertNewStyleBlock:function(t,e,i){for(var n=this.get2DCursorLocation(e,!0),r=[0],s=0,o=0;o<t.length;o++)"\n"===t[o]?r[++s]=0:r[s]++;for(r[0]>0&&(this.insertCharStyleObject(n.lineIndex,n.charIndex,r[0],i),i=i&&i.slice(r[0]+1)),s&&this.insertNewlineStyleObject(n.lineIndex,n.charIndex+r[0],s),o=1;o<s;o++)r[o]>0?this.insertCharStyleObject(n.lineIndex+o,0,r[o],i):i&&(this.styles[n.lineIndex+o][0]=i[0]),i=i&&i.slice(r[o]+1);r[o]>0&&this.insertCharStyleObject(n.lineIndex+o,0,r[o],i)},setSelectionStartEndWithShift:function(t,e,i){i<=t?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=i):i>t&&i<e?"right"===this._selectionDirection?this.selectionEnd=i:this.selectionStart=i:(e===t?this._selectionDirection="right":"left"===this._selectionDirection&&(this._selectionDirection="right",this.selectionStart=e),this.selectionEnd=i)},setSelectionInBoundaries:function(){var t=this.text.length;this.selectionStart>t?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}}),C.util.object.extend(C.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown)},onMouseDown:function(t){if(this.canvas){this.__newClickTime=+new Date;var e=t.pointer;this.isTripleClick(e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected}},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},doubleClickHandler:function(t){this.isEditing&&this.selectWord(this.getSelectionStartFromPointer(t.e))},tripleClickHandler:function(t){this.isEditing&&this.selectLine(this.getSelectionStartFromPointer(t.e))},initClicks:function(){this.on("mousedblclick",this.doubleClickHandler),this.on("tripleclick",this.tripleClickHandler)},_mouseDownHandler:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.__isMousedown=!0,this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection()))},_mouseDownHandlerBefore:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.selected=this===this.canvas._activeObject)},initMousedownHandler:function(){this.on("mousedown",this._mouseDownHandler),this.on("mousedown:before",this._mouseDownHandlerBefore)},initMouseupHandler:function(){this.on("mouseup",this.mouseUpHandler)},mouseUpHandler:function(t){if(this.__isMousedown=!1,!(!this.editable||this.group||t.transform&&t.transform.actionPerformed||t.e.button&&1!==t.e.button)){if(this.canvas){var e=this.canvas._activeObject;if(e&&e!==this)return}this.__lastSelected&&!this.__corner?(this.selected=!1,this.__lastSelected=!1,this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()):this.selected=!0}},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,n=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,n,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e=this.getLocalPointer(t),i=0,n=0,r=0,s=0,o=0,a=0,h=this._textLines.length;a<h&&r<=e.y;a++)r+=this.getHeightOfLine(a)*this.scaleY,o=a,a>0&&(s+=this._textLines[a-1].length+this.missingNewlineOffset(a-1));n=this._getLineLeftOffset(o)*this.scaleX;for(var c=0,l=this._textLines[o].length;c<l&&(i=n,(n+=this.__charBounds[o][c].kernedWidth*this.scaleX)<=e.x);c++)s++;return this._getNewSelectionStartFromOffset(e,i,n,s,l)},_getNewSelectionStartFromOffset:function(t,e,i,n,r){var s=t.x-e,o=i-t.x,a=n+(o>s||o<0?0:1);return this.flipX&&(a=r-a),a>this._text.length&&(a=this._text.length),a}}),C.util.object.extend(C.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=C.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea",""),this.hiddenTextarea.setAttribute("wrap","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; paddingｰtop: "+t.fontSize+";",C.document.body.appendChild(this.hiddenTextarea),C.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),C.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),C.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),C.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),C.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),C.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),C.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),C.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),C.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(C.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing&&!this.inCompositionMode){if(t.keyCode in this.keysMap)this[this.keysMap[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown)||!t.ctrlKey&&!t.metaKey)return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){!this.isEditing||this._copyDone||this.inCompositionMode?this._copyDone=!1:t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll())},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,n,r=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,s=this._text.length,o=r.length,a=o-s;if(""===this.hiddenTextarea.value)return this.styles={},this.updateFromTextArea(),this.fire("changed"),void(this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll()));var h=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),c=this.selectionStart>h.selectionStart;this.selectionStart!==this.selectionEnd?(i=this._text.slice(this.selectionStart,this.selectionEnd),a+=this.selectionEnd-this.selectionStart):o<s&&(i=c?this._text.slice(this.selectionEnd+a,this.selectionEnd):this._text.slice(this.selectionStart,this.selectionStart-a)),n=r.slice(h.selectionEnd-a,h.selectionEnd),i&&i.length&&(this.selectionStart!==this.selectionEnd?this.removeStyleFromTo(this.selectionStart,this.selectionEnd):c?this.removeStyleFromTo(this.selectionEnd-i.length,this.selectionEnd):this.removeStyleFromTo(this.selectionEnd,this.selectionEnd+i.length)),n.length&&(e&&n.join("")===C.copiedText&&!C.disableStyleCopyPaste?this.insertNewStyleBlock(n,this.selectionStart,C.copiedTextStyle):this.insertNewStyleBlock(n,this.selectionStart)),this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())}},onCompositionStart:function(){this.inCompositionMode=!0},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){this.compositionStart=t.target.selectionStart,this.compositionEnd=t.target.selectionEnd,this.updateTextareaPosition()},copy:function(){this.selectionStart!==this.selectionEnd&&(C.copiedText=this.getSelectedText(),C.disableStyleCopyPaste?C.copiedTextStyle=null:C.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd,!0),this._copyDone=!0)},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||C.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,n=this._getLineLeftOffset(t);return e>0&&(n+=(i=this.__charBounds[t][e-1]).left+i.width),n},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),n=this.get2DCursorLocation(i),r=n.lineIndex;if(r===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=n.charIndex,o=this._getWidthBeforeCursor(r,s),a=this._getIndexOnLine(r+1,o);return this._textLines[r].slice(s).length+a+1+this.missingNewlineOffset(r)},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),n=this.get2DCursorLocation(i),r=n.lineIndex;if(0===r||t.metaKey||33===t.keyCode)return-i;var s=n.charIndex,o=this._getWidthBeforeCursor(r,s),a=this._getIndexOnLine(r-1,o),h=this._textLines[r].slice(0,s),c=this.missingNewlineOffset(r-1);return-this._textLines[r-1].length+a-h.length+(1-c)},_getIndexOnLine:function(t,e){for(var i,n,r=this._textLines[t],s=this._getLineLeftOffset(t),o=0,a=0,h=r.length;a<h;a++)if((s+=i=this.__charBounds[t][a].width)>e){n=!0;var c=s-i,l=s,u=Math.abs(c-e);o=Math.abs(l-e)<u?a:a-1;break}return n||(o=r.length-1),o},moveCursorDown:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i=this["get"+t+"CursorOffset"](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(i):this.moveCursorWithoutShift(i),0!==i&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var n;if(t.altKey)n=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;n=this["findLineBoundary"+i](this[e])}if(void 0!==typeof n&&this[e]!==n)return this[e]=n,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,e.shiftKey?i+="Shift":i+="outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t,e){void 0===e&&(e=t+1),this.removeStyleFromTo(t,e),this._text.splice(t,e-t),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()},insertChars:function(t,e,i,n){void 0===n&&(n=i),n>i&&this.removeStyleFromTo(i,n);var r=C.util.string.graphemeSplit(t);this.insertNewStyleBlock(r,i,e),this._text=[].concat(this._text.slice(0,i),r,this._text.slice(n)),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()}}),S=C.util.toFixed,w=/  +/g,C.util.object.extend(C.Text.prototype,{_toSVG:function(){var t=this._getSVGLeftTopOffsets(),e=this._getSVGTextAndBg(t.textTop,t.textLeft);return this._wrapSVGTextAndBg(e)},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,noStyle:!0,withShadow:!0})},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t){var e=this.getSvgTextDecoration(this);return[t.textBgRects.join(""),'\t\t<text xml:space="preserve" ',this.fontFamily?'font-family="'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size="'+this.fontSize+'" ':"",this.fontStyle?'font-style="'+this.fontStyle+'" ':"",this.fontWeight?'font-weight="'+this.fontWeight+'" ':"",e?'text-decoration="'+e+'" ':"",'style="',this.getSvgStyles(!0),'"',this.addPaintOrder()," >",t.textSpans.join(""),"</text>\n"]},_getSVGTextAndBg:function(t,e){var i,n=[],r=[],s=t;this._setSVGBg(r);for(var o=0,a=this._textLines.length;o<a;o++)i=this._getLineLeftOffset(o),(this.textBackgroundColor||this.styleHas("textBackgroundColor",o))&&this._setSVGTextLineBg(r,o,e+i,s),this._setSVGTextLineText(n,o,e+i,s),s+=this.getHeightOfLine(o);return{textSpans:n,textBgRects:r}},_createTextCharSpan:function(t,e,i,n){var r=t!==t.trim()||t.match(w),s=this.getSvgSpanStyles(e,r),o=s?'style="'+s+'"':"",a=e.deltaY,h="",c=C.Object.NUM_FRACTION_DIGITS;return a&&(h=' dy="'+S(a,c)+'" '),['<tspan x="',S(i,c),'" y="',S(n,c),'" ',h,o,">",C.util.string.escapeXml(t),"</tspan>"].join("")},_setSVGTextLineText:function(t,e,i,n){var r,s,o,a,h,c=this.getHeightOfLine(e),l=-1!==this.textAlign.indexOf("justify"),u="",f=0,d=this._textLines[e];n+=c*(1-this._fontSizeFraction)/this.lineHeight;for(var p=0,g=d.length-1;p<=g;p++)h=p===g||this.charSpacing,u+=d[p],o=this.__charBounds[e][p],0===f?(i+=o.kernedWidth-o.width,f+=o.width):f+=o.kernedWidth,l&&!h&&this._reSpaceAndTab.test(d[p])&&(h=!0),h||(r=r||this.getCompleteStyleDeclaration(e,p),s=this.getCompleteStyleDeclaration(e,p+1),h=this._hasStyleChangedForSvg(r,s)),h&&(a=this._getStyleDeclaration(e,p)||{},t.push(this._createTextCharSpan(u,a,i,n)),u="",r=s,i+=f,f=0)},_pushTextBgRect:function(t,e,i,n,r,s){var o=C.Object.NUM_FRACTION_DIGITS;t.push("\t\t<rect ",this._getFillAttributes(e),' x="',S(i,o),'" y="',S(n,o),'" width="',S(r,o),'" height="',S(s,o),'"></rect>\n')},_setSVGTextLineBg:function(t,e,i,n){for(var r,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,h=0,c=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;u<f;u++)r=this.__charBounds[e][u],(s=this.getValueOfPropertyAt(e,u,"textBackgroundColor"))!==l?(l&&this._pushTextBgRect(t,l,i+c,n,h,a),c=r.left,h=r.width,l=s):h+=r.kernedWidth;s&&this._pushTextBgRect(t,s,i+c,n,h,a)},_getFillAttributes:function(t){var e=t&&"string"==typeof t?new C.Color(t):"";return e&&e.getSource()&&1!==e.getAlpha()?'opacity="'+e.getAlpha()+'" fill="'+e.setAlpha(1).toRgb()+'"':'fill="'+t+'"'},_getSVGLineTopOffset:function(t){for(var e,i=0,n=0;n<t;n++)i+=this.getHeightOfLine(n);return e=this.getHeightOfLine(n),{lineTop:i,offset:(this._fontSizeMult-this._fontSizeFraction)*e/(this.lineHeight*this._fontSizeMult)}},getSvgStyles:function(t){return C.Object.prototype.getSvgStyles.call(this,t)+" white-space: pre;"}}),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Textbox=e.util.createClass(e.IText,e.Observable,{type:"textbox",minWidth:20,dynamicMinWidth:2,__cachedLines:null,lockScalingFlip:!0,noScaleCache:!1,_dimensionAffectingProps:e.Text.prototype._dimensionAffectingProps.concat("width"),_wordJoiners:/[ \t\r]/,splitByGrapheme:!1,initDimensions:function(){this.__skipDimension||(this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this._clearCache(),this.dynamicMinWidth=0,this._styleMap=this._generateStyleMap(this._splitText()),this.dynamicMinWidth>this.width&&this._set("width",this.dynamicMinWidth),-1!==this.textAlign.indexOf("justify")&&this.enlargeSpaces(),this.height=this.calcTextHeight(),this.saveState({propertySet:"_dimensionAffectingProps"}))},_generateStyleMap:function(t){for(var e=0,i=0,n=0,r={},s=0;s<t.graphemeLines.length;s++)"\n"===t.graphemeText[n]&&s>0?(i=0,n++,e++):!this.splitByGrapheme&&this._reSpaceAndTab.test(t.graphemeText[n])&&s>0&&(i++,n++),r[s]={line:e,offset:i},n+=t.graphemeLines[s].length,i+=t.graphemeLines[s].length;return r},styleHas:function(t,i){if(this._styleMap&&!this.isWrapping){var n=this._styleMap[i];n&&(i=n.line)}return e.Text.prototype.styleHas.call(this,t,i)},isEmptyStyles:function(t){if(!this.styles)return!0;var e,i,n=0,r=!1,s=this._styleMap[t],o=this._styleMap[t+1];for(var a in s&&(t=s.line,n=s.offset),o&&(r=o.line===t,e=o.offset),i=void 0===t?this.styles:{line:this.styles[t]})for(var h in i[a])if(h>=n&&(!r||h<e))for(var c in i[a][h])return!1;return!0},_getStyleDeclaration:function(t,e){if(this._styleMap&&!this.isWrapping){var i=this._styleMap[t];if(!i)return null;t=i.line,e=i.offset+e}return this.callSuper("_getStyleDeclaration",t,e)},_setStyleDeclaration:function(t,e,i){var n=this._styleMap[t];t=n.line,e=n.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return!!this.styles[e.line]},_setLineStyle:function(t){var e=this._styleMap[t];this.styles[e.line]={}},_wrapText:function(t,e){var i,n=[];for(this.isWrapping=!0,i=0;i<t.length;i++)n=n.concat(this._wrapLine(t[i],i,e));return this.isWrapping=!1,n},_measureWord:function(t,e,i){var n,r=0;i=i||0;for(var s=0,o=t.length;s<o;s++){r+=this._getGraphemeBox(t[s],e,s+i,n,!0).kernedWidth,n=t[s]}return r},_wrapLine:function(t,i,n,r){var s=0,o=this.splitByGrapheme,a=[],h=[],c=o?e.util.string.graphemeSplit(t):t.split(this._wordJoiners),l="",u=0,f=o?"":" ",d=0,p=0,g=0,m=!0,v=o?0:this._getWidthOfCharSpacing();r=r||0;0===c.length&&c.push([]),n-=r;for(var b=0;b<c.length;b++)l=o?c[b]:e.util.string.graphemeSplit(c[b]),d=this._measureWord(l,i,u),u+=l.length,(s+=p+d-v)>=n&&!m?(a.push(h),h=[],s=d,m=!0):s+=v,m||o||h.push(f),h=h.concat(l),p=this._measureWord([f],i,u),u++,m=!1,d>g&&(g=d);return b&&a.push(h),g+r>this.dynamicMinWidth&&(this.dynamicMinWidth=g-v+r),a},isEndOfWrapping:function(t){return!this._styleMap[t+1]||this._styleMap[t+1].line!==this._styleMap[t].line},missingNewlineOffset:function(t){return this.splitByGrapheme?this.isEndOfWrapping(t)?1:0:1},_splitTextIntoLines:function(t){for(var i=e.Text.prototype._splitTextIntoLines.call(this,t),n=this._wrapText(i.lines,this.width),r=new Array(n.length),s=0;s<n.length;s++)r[s]=n[s].join("");return i.lines=r,i.graphemeLines=n,i},getMinWidth:function(){return Math.max(this.minWidth,this.dynamicMinWidth)},_removeExtraneousStyles:function(){var t={};for(var e in this._styleMap)this._textLines[e]&&(t[this._styleMap[e].line]=1);for(var e in this.styles)t[e]||delete this.styles[e]},toObject:function(t){return this.callSuper("toObject",["minWidth","splitByGrapheme"].concat(t))}}),e.Textbox.fromObject=function(t,i){return e.Object._fromObject("Textbox",t,i,"text")}}(e)}).call(this,i(4).Buffer)},function(t,e,i){"use strict";var n=i(7),r=Object.keys||function(t){var e=[];for(var i in t)e.push(i);return e};t.exports=u;var s=Object.create(i(5));s.inherits=i(3);var o=i(18),a=i(12);s.inherits(u,o);for(var h=r(a.prototype),c=0;c<h.length;c++){var l=h[c];u.prototype[l]||(u.prototype[l]=a.prototype[l])}function u(t){if(!(this instanceof u))return new u(t);o.call(this,t),a.call(this,t),t&&!1===t.readable&&(this.readable=!1),t&&!1===t.writable&&(this.writable=!1),this.allowHalfOpen=!0,t&&!1===t.allowHalfOpen&&(this.allowHalfOpen=!1),this.once("end",f)}function f(){this.allowHalfOpen||this._writableState.ended||n.nextTick(d,this)}function d(t){t.end()}Object.defineProperty(u.prototype,"writableHighWaterMark",{enumerable:!1,get:function(){return 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+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <http://feross.org>
+ * @license  MIT
+ */
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e?e.fullTagEmptyElementFn(t.name,t):e.fullTagEmptyElement),a?(s.push(">"),t[e.elementsKey]&&t[e.elementsKey].length&&(s.push(g(t[e.elementsKey],e,i+1)),n=t,r=t.name),s.push(e.spaces&&function(t,e){var i;if(t.elements&&t.elements.length)for(i=0;i<t.elements.length;++i)switch(t.elements[i][e.typeKey]){case"text":if(e.indentText)return!0;break;case"cdata":if(e.indentCdata)return!0;break;case"instruction":if(e.indentInstruction)return!0;break;case"doctype":case"comment":case"element":default:return!0}return!1}(t,e)?"\n"+Array(i+1).join(e.spaces):""),s.push("</"+o+">")):s.push("/>"),s.join("")}(o,e,i);case"comment":return t+c+u(o[e.commentKey],e);case"doctype":return t+c+d(o[e.doctypeKey],e);case"cdata":return t+(e.indentCdata?c:"")+f(o[e.cdataKey],e);case"text":return t+(e.indentText?c:"")+p(o[e.textKey],e);case"instruction":var m={};return m[o[e.nameKey]]=o[e.attributesKey]?o:o[e.instructionKey],t+(e.indentInstruction?c:"")+l(m,e,i)}}),"")}function m(t,e,i){var n;for(n in t)if(t.hasOwnProperty(n))switch(n){case e.parentKey:case e.attributesKey:break;case e.textKey:if(e.indentText||i)return!0;break;case e.cdataKey:if(e.indentCdata||i)return!0;break;case e.instructionKey:if(e.indentInstruction||i)return!0;break;case e.doctypeKey:case e.commentKey:default:return!0}return!1}function v(t,e,i,s,o){n=t,r=e;var c="elementNameFn"in i?i.elementNameFn(e,t):e;if(null==t||""===t)return"fullTagEmptyElementFn"in i&&i.fullTagEmptyElementFn(e,t)||i.fullTagEmptyElement?"<"+c+"></"+c+">":"<"+c+"/>";var l=[];if(e){if(l.push("<"+c),"object"!=typeof t)return l.push(">"+p(t,i)+"</"+c+">"),l.join("");t[i.attributesKey]&&l.push(h(t[i.attributesKey],i,s));var u=m(t,i,!0)||t[i.attributesKey]&&"preserve"===t[i.attributesKey]["xml:space"];if(u||(u="fullTagEmptyElementFn"in i?i.fullTagEmptyElementFn(e,t):i.fullTagEmptyElement),!u)return l.push("/>"),l.join("");l.push(">")}return l.push(b(t,i,s+1,!1)),n=t,r=e,e&&l.push((o?a(i,s,!1):"")+"</"+c+">"),l.join("")}function b(t,e,i,n){var r,s,h,g=[];for(s in t)if(t.hasOwnProperty(s))for(h=o(t[s])?t[s]:[t[s]],r=0;r<h.length;++r){switch(s){case e.declarationKey:g.push(c(h[r],e,i));break;case e.instructionKey:g.push((e.indentInstruction?a(e,i,n):"")+l(h[r],e,i));break;case e.attributesKey:case e.parentKey:break;case e.textKey:g.push((e.indentText?a(e,i,n):"")+p(h[r],e));break;case e.cdataKey:g.push((e.indentCdata?a(e,i,n):"")+f(h[r],e));break;case e.doctypeKey:g.push(a(e,i,n)+d(h[r],e));break;case e.commentKey:g.push(a(e,i,n)+u(h[r],e));break;default:g.push(a(e,i,n)+v(h[r],s,e,i,m(h[r],e)))}n=n&&!g.length}return g.join("")}t.exports=function(t,e){e=function(t){var e=s.copyOptions(t);return s.ensureFlagExists("ignoreDeclaration",e),s.ensureFlagExists("ignoreInstruction",e),s.ensureFlagExists("ignoreAttributes",e),s.ensureFlagExists("ignoreText",e),s.ensureFlagExists("ignoreComment",e),s.ensureFlagExists("ignoreCdata",e),s.ensureFlagExists("ignoreDoctype",e),s.ensureFlagExists("compact",e),s.ensureFlagExists("indentText",e),s.ensureFlagExists("indentCdata",e),s.ensureFlagExists("indentAttributes",e),s.ensureFlagExists("indentInstruction",e),s.ensureFlagExists("fullTagEmptyElement",e),s.ensureFlagExists("noQuotesForNativeAttributes",e),s.ensureSpacesExists(e),"number"==typeof e.spaces&&(e.spaces=Array(e.spaces+1).join(" ")),s.ensureKeyExists("declaration",e),s.ensureKeyExists("instruction",e),s.ensureKeyExists("attributes",e),s.ensureKeyExists("text",e),s.ensureKeyExists("comment",e),s.ensureKeyExists("cdata",e),s.ensureKeyExists("doctype",e),s.ensureKeyExists("type",e),s.ensureKeyExists("name",e),s.ensureKeyExists("elements",e),s.checkFnExists("doctype",e),s.checkFnExists("instruction",e),s.checkFnExists("cdata",e),s.checkFnExists("comment",e),s.checkFnExists("text",e),s.checkFnExists("instructionName",e),s.checkFnExists("elementName",e),s.checkFnExists("attributeName",e),s.checkFnExists("attributeValue",e),s.checkFnExists("attributes",e),s.checkFnExists("fullTagEmptyElement",e),e}(e);var i=[];return n=t,r="_root_",e.compact?i.push(b(t,e,0,!0)):(t[e.declarationKey]&&i.push(c(t[e.declarationKey],e,0)),t[e.elementsKey]&&t[e.elementsKey].length&&i.push(g(t[e.elementsKey],e,0,!i.length))),i.join("")}},function(t,e,i){var n=i(17),r=i(42),s=i(22),o=i(43);t.exports={xml2js:n,xml2json:r,js2xml:s,json2xml:o}},function(t,e,i){"use strict";e.byteLength=function(t){var e=c(t),i=e[0],n=e[1];return 3*(i+n)/4-n},e.toByteArray=function(t){var e,i,n=c(t),o=n[0],a=n[1],h=new s(function(t,e,i){return 3*(e+i)/4-i}(0,o,a)),l=0,u=a>0?o-4:o;for(i=0;i<u;i+=4)e=r[t.charCodeAt(i)]<<18|r[t.charCodeAt(i+1)]<<12|r[t.charCodeAt(i+2)]<<6|r[t.charCodeAt(i+3)],h[l++]=e>>16&255,h[l++]=e>>8&255,h[l++]=255&e;2===a&&(e=r[t.charCodeAt(i)]<<2|r[t.charCodeAt(i+1)]>>4,h[l++]=255&e);1===a&&(e=r[t.charCodeAt(i)]<<10|r[t.charCodeAt(i+1)]<<4|r[t.charCodeAt(i+2)]>>2,h[l++]=e>>8&255,h[l++]=255&e);return h},e.fromByteArray=function(t){for(var e,i=t.length,r=i%3,s=[],o=0,a=i-r;o<a;o+=16383)s.push(l(t,o,o+16383>a?a:o+16383));1===r?(e=t[i-1],s.push(n[e>>2]+n[e<<4&63]+"==")):2===r&&(e=(t[i-2]<<8)+t[i-1],s.push(n[e>>10]+n[e>>4&63]+n[e<<2&63]+"="));return s.join("")};for(var n=[],r=[],s="undefined"!=typeof Uint8Array?Uint8Array:Array,o="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",a=0,h=o.length;a<h;++a)n[a]=o[a],r[o.charCodeAt(a)]=a;function c(t){var e=t.length;if(e%4>0)throw new Error("Invalid string. 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S.SCRIPT_ENDING:"/"===n?this.state=S.CLOSE_TAG:(this.script+="<"+n,this.state=S.SCRIPT);continue;case S.OPEN_WAKA:if("!"===n)this.state=S.SGML_DECL,this.sgmlDecl="";else if(p(n));else if(v(l,n))this.state=S.OPEN_TAG,this.tagName=n;else if("/"===n)this.state=S.CLOSE_TAG,this.tagName="";else if("?"===n)this.state=S.PROC_INST,this.procInstName=this.procInstBody="";else{if(A(this,"Unencoded <"),this.startTagPosition+1<this.position){var o=this.position-this.startTagPosition;n=new Array(o).join(" ")+n}this.textNode+="<"+n,this.state=S.TEXT}continue;case S.SGML_DECL:"[CDATA["===(this.sgmlDecl+n).toUpperCase()?(T(this,"onopencdata"),this.state=S.CDATA,this.sgmlDecl="",this.cdata=""):this.sgmlDecl+n==="--"?(this.state=S.COMMENT,this.comment="",this.sgmlDecl=""):"DOCTYPE"===(this.sgmlDecl+n).toUpperCase()?(this.state=S.DOCTYPE,(this.doctype||this.sawRoot)&&A(this,"Inappropriately located doctype 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S.COMMENT_ENDING:"-"===n?(this.state=S.COMMENT_ENDED,this.comment=E(this.opt,this.comment),this.comment&&T(this,"oncomment",this.comment),this.comment=""):(this.comment+="-"+n,this.state=S.COMMENT);continue;case S.COMMENT_ENDED:">"!==n?(A(this,"Malformed comment"),this.comment+="--"+n,this.state=S.COMMENT):this.state=S.TEXT;continue;case S.CDATA:"]"===n?this.state=S.CDATA_ENDING:this.cdata+=n;continue;case S.CDATA_ENDING:"]"===n?this.state=S.CDATA_ENDING_2:(this.cdata+="]"+n,this.state=S.CDATA);continue;case S.CDATA_ENDING_2:">"===n?(this.cdata&&T(this,"oncdata",this.cdata),T(this,"onclosecdata"),this.cdata="",this.state=S.TEXT):"]"===n?this.cdata+="]":(this.cdata+="]]"+n,this.state=S.CDATA);continue;case S.PROC_INST:"?"===n?this.state=S.PROC_INST_ENDING:p(n)?this.state=S.PROC_INST_BODY:this.procInstName+=n;continue;case S.PROC_INST_BODY:if(!this.procInstBody&&p(n))continue;"?"===n?this.state=S.PROC_INST_ENDING:this.procInstBody+=n;continue;case 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y.fabric.Group([a,h,l],u)}({queryLen:this.queryLen*this.queryFactor,subjLen:this.subjLen*this.subjFactor,startQueryPixels:this.startQueryPixels,startEvalPixels:this.startEvalPixels,startSubjPixels:this.startSubjPixels},{contentWidth:this.contentWidth,contentScoringWidth:this.contentScoringWidth,fontSize:this.fontSize,colorScheme:this.colorScheme},this.topPadding),lt.put("textContentHeaderGroup",t)),this.canvas.add(t),this.topPadding+=20,e=lt.get("lineTrackGroup"),e||(e=L({startQueryPixels:this.startQueryPixels,endQueryPixels:this.endQueryPixels,startSubjPixels:this.startSubjPixels,endSubjPixels:this.endSubjPixels},{strokeWidth:2},this.topPadding),lt.put("lineTrackGroup",e)),this.canvas.add(e),this.topPadding+=5,i=lt.get("textContentFooterGroup"),i||(i=function(t,e,i){const n=Object.assign({},f);n.fontSize=e.fontSize,n.top=i,n.left=t.startQueryPixels-2.5;const r=new y.fabric.Text("1",n);let o=s(""+t.queryLen);n.left=t.endQueryPixels-o;const a=new y.fabric.Text(""+t.queryLen,n);n.left=t.startSubjPixels-2.5;const h=new y.fabric.Text("1",n);o=s(""+t.subjLen),n.left=t.endSubjPixels-o;const c=new y.fabric.Text(""+t.subjLen,n);return new y.fabric.Group([r,a,h,c],u)}({queryLen:this.queryLen,subjLen:this.subjLen,startQueryPixels:this.startQueryPixels,endQueryPixels:this.endQueryPixels,startSubjPixels:this.startSubjPixels,endSubjPixels:this.endSubjPixels},{fontSize:this.fontSize},this.topPadding),lt.put("textContentFooterGroup",i)),this.canvas.add(i),this.topPadding+=25,this.drawDynamicContentGroup(),this.topPadding+=20,this.drawColorScaleGroup()}else{this.topPadding+=20;const t=R({fontSize:this.fontSize,contentWidth:this.contentWidth},this.topPadding);this.canvas.add(t)}}drawDynamicContentGroup(){let t=0,e=0;for(const i of this.dataObj.hits.slice(0,this.numberHits))i.hit_len>t&&(t=i.hit_len),i.hit_db.length+i.hit_id.length>e&&(e=i.hit_db.length+i.hit_id.length);let i=Number.MAX_VALUE,s=0,o=Number.MAX_VALUE;for(const t of this.dataObj.hits.slice(0,this.numberHits))for(const e of t.hit_hsps)this.colorScheme===c.ncbiblast?(e.hsp_bit_score<i&&(i=e.hsp_bit_score),e.hsp_bit_score>s&&(s=e.hsp_bit_score),e.hsp_bit_score<o&&e.hsp_bit_score>0&&(o=e.hsp_bit_score)):(e.hsp_expect<i&&(i=e.hsp_expect),e.hsp_expect>s&&(s=e.hsp_expect),e.hsp_expect<o&&e.hsp_expect>0&&(o=e.hsp_expect));this.colorScheme,c.ncbiblast,this.gradientSteps=v(i,s,o,this.colorScheme);let l=0;for(const t of this.dataObj.hits){if(l++,!(l<=this.numberHits)){let t;this.topPadding+=20,t=lt.get("supressText"),t||(t=J({fontSize:this.fontSize,contentWidth:this.contentWidth},this.topPadding,this.numberHits),lt.put("supressText",t)),t.top=this.topPadding,this.canvas.add(t),this.topPadding+=20;break}{let i=0;const s=t.hit_hsps.length;let o,l,u;[l,u,o]=B(e,t,{fontSize:this.fontSize},this.topPadding),this.canvas.add(l),this.canvas.add(u),it(u,o,t.hit_def,t.hit_url,{fontSize:this.fontSize},this),nt(u,t.hit_url,this),rt(u,o,this);for(const e of t.hit_hsps){if(i++,!(i<=this.numberHsps)){if(!0===this.logSkippedHsps){let t;t=lt.get("hspTextNotice"),t||(t=N(s,this.numberHsps,{fontSize:this.fontSize,contentWidth:this.contentWidth},this.topPadding),lt.put("hspTextNotice",t)),this.canvas.add(t),this.topPadding+=20}break}{const i=t.hit_len;let s,o,l,u;[s,o,l,u]=a(this.queryLen*this.queryFactor,this.subjLen*this.subjFactor,i,this.contentWidth,this.contentScoringWidth,this.contentLabelWidth,this.marginWidth),this.topPadding+=5;const f=L({startQueryPixels:s,endQueryPixels:o,startSubjPixels:l,endSubjPixels:u},{strokeWidth:1},this.topPadding);let d,p,v,b,y,_,x,S,w,C,T;this.canvas.add(f),"-1"===e.hsp_query_frame?(y=e.hsp_query_to,_=e.hsp_query_from):(y=e.hsp_query_from,_=e.hsp_query_to),"-1"===e.hsp_hit_frame?(x=e.hsp_hit_to,S=e.hsp_hit_from):(x=e.hsp_hit_from,S=e.hsp_hit_to),[d,p]=h(s,o,this.queryLen,y,_,this.marginWidth),[v,b]=h(l,u,i,x,S,this.marginWidth),w=this.colorScheme===c.ncbiblast?m(e.hsp_bit_score,this.gradientSteps,r):g(e.hsp_expect,this.gradientSteps,n),this.topPadding+=10,[C,T]=z(d,p,v,b,this.topPadding,w),this.canvas.add(C),this.canvas.add(T);const O=W(this.startEvalPixels,e,{fontSize:this.fontSize,colorScheme:this.colorScheme},this.topPadding);O.width=this.contentScoringWidth,this.canvas.add(O),st(C,d,p,y,_,e,{fontSize:this.fontSize,colorScheme:this.colorScheme},this),ot(C,this),st(T,v,b,x,S,e,{fontSize:this.fontSize,colorScheme:this.colorScheme},this),ot(T,this)}}}}}drawColorScaleGroup(){const t=U({fontSize:this.fontSize,scaleLabelWidth:this.scaleLabelWidth},this.topPadding);let e,i,n,r,s,o,a,h,l;this.canvas.add(t),[r,s,e,o,a,i,h,l,n]=Y({colorScheme:this.colorScheme,fontSize:this.fontSize,scaleLabelWidth:this.scaleLabelWidth},this.topPadding),this.canvas.add(r),this.canvas.add(s),at(r,e,this),ct(r,e,c.dynamic,this),ht(r,c.dynamic,this),this.canvas.add(o),this.canvas.add(a),at(o,i,this),ct(o,i,c.fixed,this),ht(o,c.fixed,this),this.canvas.add(h),this.canvas.add(l),at(h,n,this),ct(h,n,c.ncbiblast,this),ht(h,c.ncbiblast,this),this.topPadding+=25;const u=X({fontSize:this.fontSize,scaleLabelWidth:this.scaleLabelWidth,colorScheme:this.colorScheme},this.topPadding);this.canvas.add(u);const f=G({scaleWidth:this.scaleWidth,scaleLabelWidth:this.scaleLabelWidth,colorScheme:this.colorScheme},this.topPadding);if(this.canvas.add(f),this.colorScheme===c.ncbiblast){const t=(this.scaleLabelWidth+this.scaleWidth-this.scaleLabelWidth)/5;this.topPadding+=15;const e=V(this.scaleLabelWidth,this.scaleLabelWidth+t,this.scaleLabelWidth+2*t,this.scaleLabelWidth+3*t,this.scaleLabelWidth+4*t,this.scaleLabelWidth+this.scaleWidth,{strokeWidth:1},this.topPadding);this.canvas.add(e),this.topPadding+=5;const i=q(this.gradientSteps,t,{fontSize:this.fontSize,scaleWidth:this.scaleWidth,scaleLabelWidth:this.scaleLabelWidth},this.topPadding);this.canvas.add(i)}else{const t=(this.scaleLabelWidth+this.scaleWidth-this.scaleLabelWidth)/4;this.topPadding+=15;const e=H(this.scaleLabelWidth,this.scaleLabelWidth+t,this.scaleLabelWidth+2*t,this.scaleLabelWidth+3*t,this.scaleLabelWidth+this.scaleWidth,{strokeWidth:1},this.topPadding);this.canvas.add(e),this.topPadding+=5;const i=K(this.gradientSteps,t,{fontSize:this.fontSize,scaleWidth:this.scaleWidth,scaleLabelWidth:this.scaleLabelWidth},this.topPadding);this.canvas.add(i)}}drawFooterGroup(){let t,e;this.topPadding+=30,t=lt.get("copyrightText"),e=lt.get("copyrightText_textFooterObj"),t||e||([t,e]=$({fontSize:this.fontSize},this.topPadding),lt.put("copyrightText",t),lt.put("copyrightText_textFooterObj",e)),this.canvas.add(t)}wrapCanvas(){if(this.topPadding+=20,this.canvasHeight=this.topPadding,this.canvasWrapperStroke){const t=Q({canvasWidth:this.canvasWidth,canvasHeight:this.canvasHeight});this.canvas.add(t)}}}const ft=["PRODOM","CATH-Gene3D","CDD","PANTHER","HAMAP","Pfam","PIRSF","PRINTS","PROSITE profiles","PROSITE patterns","SFLD","SMART","SUPERFAMILY","TIGRFAMs"];function dt(t,e,i,n,r,s){let o,a,h,c;t.domainDatabaseList.includes(e)?t.currentDomainDatabase=e:t.currentDomainDatabase=void 0,t.currentDomainDatabaseDisabled=!1,i.includes(e)||(t.currentDomainDatabaseDisabled=!0),[h,c,o,a]=function(t,e,i,n){const r=Object.assign({},d);r.top=e,r.left=i,r.height=15,r.width=15,r.evented=!0;const s=Object.assign({},f);return s.fontSize=t.fontSize+1,s.top=e,s.left=i+20,t.currentDisabled?(s.fill="grey",r.fill="white",r.stroke="grey"):void 0!==t.currentDomainDatabase?(r.fill=b(t.currentDomainDatabase),r.stroke="black"):(r.fill="white",r.stroke="grey"),[new y.fabric.Rect(r),new y.fabric.Text(n,s),r,r]}({currentDomainDatabase:t.currentDomainDatabase,currentDisabled:t.currentDomainDatabaseDisabled,fontSize:s.fontSize},n,r,e),t.canvas.add(h),t.canvas.add(c),function(t,e,i,n){t.on("mouseover",t=>{if(t.target){t.target.set("hoverCursor","pointer"),t.target.setOptions(e);let r=!1;n.uniqueDomainDatabases.includes(i)||(r=!0),r?(t.target.setOptions({fill:"white",stroke:"grey"}),t.target.set("hoverCursor","default")):n.domainDatabaseList.includes(i)?(t.target.setOptions({opacity:.5,stroke:"grey"}),t.target.set("hoverCursor","pointer")):(t.target.setOptions({stroke:"black"}),t.target.set("hoverCursor","pointer")),n.canvas.renderAll()}})}(h,o,e,t),function(t,e,i,n){t.on("mouseout",t=>{if(t.target){let r=!1;n.uniqueDomainDatabases.includes(i)||(r=!0),n.domainDatabaseList.includes(i)?r?t.target.setOptions({stroke:"grey",fill:"white"}):(t.target.setOptions(e),t.target.setOptions({opacity:1,stroke:"black"})):t.target.setOptions({stroke:"grey",fill:"white"}),n.canvas.renderAll()}})}(h,o,e,t),function(t,e,i){t.on("mousedown",t=>{if(t.target)if(!i.domainDatabaseList.includes(e)&&i.uniqueDomainDatabases.includes(e))i.domainDatabaseList.push(e),i.currentDomainDatabase=e,i.render();else if(i.uniqueDomainDatabases.includes(e)){const t=i.domainDatabaseList.indexOf(e);t>-1&&i.domainDatabaseList.splice(t,1),i.currentDomainDatabase=void 0,i.render()}})}(h,e,t)}let pt=new w;class gt extends S{constructor(t,e,i,n=ft){super(t),this.data=e,this.domainDatabaseList=n,this.topPadding=0,this.queryStart=0,this.queryEnd=0,this.gradientSteps=[],this.iprmcDataFlatObj={},this.uniqueDomainDatabases=[],this.currentDomainDatabaseDisabled=!1,null!=i.canvasWidth?this.canvasWidth=i.canvasWidth:this.canvasWidth=1e3,null!=i.canvasHeight?this.canvasHeight=i.canvasHeight:this.canvasHeight=110,null!=i.contentWidth?this.contentWidth=i.contentWidth:this.contentWidth=72.5*this.canvasWidth/100,null!=i.contentLabelWidth?this.contentLabelWidth=i.contentLabelWidth:this.contentLabelWidth=26.5*this.canvasWidth/100,null!=i.contentLabelLeftWidth?this.contentLabelLeftWidth=i.contentLabelLeftWidth:this.contentLabelLeftWidth=8.25*this.canvasWidth/100,null!=i.scaleWidth?this.scaleWidth=i.scaleWidth:this.scaleWidth=75*this.canvasWidth/100,null!=i.scaleLabelWidth?this.scaleLabelWidth=i.scaleLabelWidth:this.scaleLabelWidth=20*this.canvasWidth/100,null!=i.marginWidth?this.marginWidth=i.marginWidth:this.marginWidth=.15*this.canvasWidth/100,null!=i.colorScheme?this.colorScheme=i.colorScheme:this.colorScheme=c.dynamic,null!=i.numberHits?this.numberHits=i.numberHits:this.numberHits=30,null!=i.fontSize?this.fontSize=i.fontSize:this.fontSize=12,null!=i.fontWeigth?this.fontWeigth=i.fontWeigth:this.fontWeigth="normal",null!=i.fontFamily?this.fontFamily=i.fontFamily:this.fontFamily="Times New Roman",null!=i.canvasWrapperStroke?this.canvasWrapperStroke=i.canvasWrapperStroke:this.canvasWrapperStroke=!1,this.validateInput(),this.getFabricCanvas()}render(){if(this.loadData(),this.loadIPRMCdata(),void 0!==this.sssDataObj&&void 0!==this.iprmcDataObj){const t=performance.now();this.loadIPRMCFlatData(),this.loadInitalProperties(),this.loadInitialCoords(),this.canvas.clear(),this.drawHeaderGroup(),this.drawContentGroup(),this.drawFooterGroup(),this.wrapCanvas(),this.setFrameSize(),this.renderCanvas();const e=performance.now();console.log(e-t+" milliseconds.")}}validateInput(){this.data=P(this.data)}loadData(){if(this.sssDataObj=pt.get("sssDataObj"),!this.sssDataObj){T(this.data).then(t=>t).then(t=>{void 0===this.sssDataObj&&(this.sssDataObj=t,pt.put("sssDataObj",this.sssDataObj),this.render())}).catch(t=>console.log(t))}}loadInitalProperties(){this.queryStart=1,this.queryEnd=this.sssDataObj.query_len}loadInitialCoords(){var t,e,i;this.startPixels=pt.get("startPixels"),this.endPixels=pt.get("endPixels"),this.startPixels||this.endPixels||([this.startPixels,this.endPixels]=(t=this.contentWidth,e=this.contentLabelWidth,i=this.marginWidth,[e+i,e+t-i]),pt.put("startPixels",this.startPixels),pt.put("endPixels",this.endPixels))}loadIPRMCdata(){let t="";if(null!=this.sssDataObj&&(this.iprmcDataObj=pt.get("IPRMCResultModel"),!this.iprmcDataObj))if("./src/testdata/ncbiblast.json"===this.data){T("./src/testdata/iprmc.json").then(t=>t).then(t=>{void 0===this.iprmcDataObj&&(this.iprmcDataObj=t,pt.put("IPRMCResultModel",this.iprmcDataObj),this.render())}).catch(t=>console.log(t))}else{for(const e of this.sssDataObj.hits.slice(0,this.numberHits))t+=""===t?""+e.hit_acc:","+e.hit_acc;(function(t){return x(this,void 0,void 0,(function*(){const e=new Request(t);try{return fetch(e).then(e=>{if(!e.ok)throw new Error("Could not retrieve data from "+t);try{return e.text()}catch(e){throw new Error("Could not decode JSON data from "+t)}})}catch(t){throw new Error(t)}}))})(function(t){return`https://www.ebi.ac.uk/Tools/dbfetch/dbfetch?db=iprmc;id=${t};format=iprmcxml;style=raw`}(t)).then(t=>t).then(t=>{void 0===this.iprmcDataObj&&(this.iprmcDataObj=function(t){try{return JSON.parse(Object(_.xml2json)(t,{compact:!0,spaces:2}))}catch(t){return console.log("Cannot parse the resulting Dbfetch response (likely not formatted XML)!"),{}}}(t),pt.put("IPRMCResultModel",this.iprmcDataObj),this.render())}).catch(t=>console.log(t))}}loadIPRMCFlatData(){if(null!=this.sssDataObj&&"interpromatch"in this.iprmcDataObj){this.uniqueDomainDatabases=pt.get("uniqueDomainDatabases"),this.uniqueDomainDatabases||(this.uniqueDomainDatabases=function(t){const e=[];for(const i of t.interpromatch.protein)for(const t of i.match)e.push(k(t._attributes.dbname));return e.filter((t,e,i)=>i.indexOf(t)===e)}(this.iprmcDataObj),pt.put("uniqueDomainDatabases",this.uniqueDomainDatabases));for(const t of this.domainDatabaseList)if(!this.uniqueDomainDatabases.includes(k(t))){const e=this.domainDatabaseList.indexOf(t);e>-1&&this.domainDatabaseList.splice(e,1)}this.iprmcDataFlatObj=pt.get("iprmcDataFlatObj"),this.iprmcDataFlatObj||(this.iprmcDataFlatObj=function(t,e){let i=0,n={};for(const r of t.interpromatch.protein)if(i++,i<=e){let t=[],e={};for(const i of r.match){let n={};if(void 0!==i.ipr){const r=`${k(i._attributes.dbname)}_${i.ipr._attributes.id}`;t.includes(r)||t.push(r),r in e||(e[r]=[]),n={id:i.ipr._attributes.id,name:i.ipr._attributes.name,dbname:k(i._attributes.dbname),type:i.ipr._attributes.type,altid:i._attributes.id,altname:i._attributes.name,status:i._attributes.status,model:i._attributes.model,evd:i._attributes.evd,start:Number(i.lcn._attributes.start),end:Number(i.lcn._attributes.end),fragments:i.lcn._attributes.fragments,score:i.lcn._attributes.fragments},e[r].push(n)}else{const r=`${k(i._attributes.dbname)}_${i._attributes.id}`;t.includes(r)||t.push(r),r in e||(e[r]=[]),n={id:i._attributes.id,name:i._attributes.name,dbname:k(i._attributes.dbname),status:i._attributes.status,model:i._attributes.model,evd:i._attributes.evd,type:"Unclassified",start:Number(i.lcn._attributes.start),end:Number(i.lcn._attributes.end),fragments:i.lcn._attributes.fragments,score:i.lcn._attributes.fragments},e[r].push(n)}}n[r._attributes.id]={id:r._attributes.id,name:r._attributes.name,length:Number(r._attributes.length),matches:t.sort(),match:e}}return n}(this.iprmcDataObj,this.numberHits),pt.put("iprmcDataFlatObj",this.iprmcDataFlatObj))}}drawHeaderGroup(){let t,e,i;this.topPadding=2,t=pt.get("textHeaderGroup"),t||(t=D(this.sssDataObj,{fontSize:this.fontSize,canvasWidth:this.canvasWidth},this.topPadding),pt.put("textHeaderGroup",t)),this.canvas.add(t),this.topPadding+=45,e=pt.get("textHeaderLink"),i=pt.get("textHeaderLink_textSeqObj"),e||([e,i]=j(this.sssDataObj,{fontSize:this.fontSize},this.topPadding),pt.put("textHeaderLink",e),pt.put("textHeaderLink_textSeqObj",i)),e=e,this.canvas.add(e),null!=this.sssDataObj.query_url&&""!==this.sssDataObj.query_url&&(it(e,i,this.sssDataObj.query_def,this.sssDataObj.query_url,{fontSize:this.fontSize},this),nt(e,this.sssDataObj.query_url,this),rt(e,i,this))}drawContentGroup(){let t;if(this.topPadding+=25,t=pt.get("titleText"),t||(t=function(t,e){const i=Object.assign({},f);return i.fontWeight="bold",i.fontSize=t.fontSize+2,i.top=e,i.left=350,new y.fabric.Text("Fast Family and Domain Prediction by InterPro",i)}({fontSize:this.fontSize+1},this.topPadding),pt.put("titleText",t)),this.canvas.add(t),this.sssDataObj.hits.length>0)this.topPadding+=35,this.drawPredictionsGroup(),this.topPadding+=50,this.drawDynamicContentGroup(),this.drawColorScaleGroup();else{this.topPadding+=20;const t=R({fontSize:this.fontSize,contentWidth:this.contentWidth},this.topPadding);this.canvas.add(t)}}drawPredictionsGroup(){let t;t=pt.get("pfLabelText"),t||(t=function(t,e){const i=Object.assign({},f);return i.fontSize=t.fontSize+1,i.fontWeight="bold",i.top=e,i.left=t.scaleLabelWidth-10,new y.fabric.Text("Select your database:",i)}({fontSize:this.fontSize,scaleLabelWidth:this.scaleLabelWidth-50},this.topPadding),pt.put("pfLabelText",t)),this.canvas.add(t),dt(this,"Pfam",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+190,{fontSize:this.fontSize}),dt(this,"SUPERFAMILY",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+260,{fontSize:this.fontSize}),dt(this,"SMART",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+390,{fontSize:this.fontSize}),dt(this,"HAMAP",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+480,{fontSize:this.fontSize}),dt(this,"PANTHER",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+570,{fontSize:this.fontSize}),dt(this,"PRODOM",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+680,{fontSize:this.fontSize}),dt(this,"PROSITE profiles",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+770,{fontSize:this.fontSize}),this.topPadding+=30,dt(this,"CDD",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+190,{fontSize:this.fontSize}),dt(this,"CATH-Gene3D",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+260,{fontSize:this.fontSize}),dt(this,"PIRSF",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+390,{fontSize:this.fontSize}),dt(this,"PRINTS",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+480,{fontSize:this.fontSize}),dt(this,"TIGRFAMs",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+570,{fontSize:this.fontSize}),dt(this,"SFLD",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+680,{fontSize:this.fontSize}),dt(this,"PROSITE patterns",this.uniqueDomainDatabases,this.topPadding,this.contentLabelLeftWidth+770,{fontSize:this.fontSize})}drawDynamicContentGroup(){let t=0;for(const e of this.sssDataObj.hits.slice(0,this.numberHits))e.hit_db.length+e.hit_id.length>t&&(t=e.hit_db.length+e.hit_id.length);let e=Number.MAX_VALUE,i=0,s=Number.MAX_VALUE;for(const t of this.sssDataObj.hits.slice(0,this.numberHits))for(const n of t.hit_hsps)this.colorScheme===c.ncbiblast?(n.hsp_bit_score<e&&(e=n.hsp_bit_score),n.hsp_bit_score>i&&(i=n.hsp_bit_score),n.hsp_bit_score<s&&n.hsp_bit_score>0&&(s=n.hsp_bit_score)):(n.hsp_expect<e&&(e=n.hsp_expect),n.hsp_expect>i&&(i=n.hsp_expect),n.hsp_expect<s&&n.hsp_expect>0&&(s=n.hsp_expect));this.colorScheme,c.ncbiblast,this.gradientSteps=v(e,i,s,this.colorScheme);let o=0;for(const e of this.sssDataObj.hits){if(o++,!(o<=this.numberHits)){let t;t=pt.get("supressText"),t||(t=J({fontSize:this.fontSize,contentWidth:this.contentWidth},this.topPadding,this.numberHits),pt.put("supressText",t)),t.top=this.topPadding,this.canvas.add(t),this.topPadding+=40;break}{let i,s,o;[s,o,i]=B(t,e,{fontSize:this.fontSize},this.topPadding),this.canvas.add(s),this.canvas.add(o),it(o,i,e.hit_def,e.hit_url,{fontSize:this.fontSize},this),nt(o,e.hit_url,this),rt(o,i,this);const a=F({startPixels:this.startPixels,endPixels:this.endPixels},{strokeWidth:1},this.topPadding);this.canvas.add(a),this.topPadding+=5;const l=I({start:this.queryStart,end:e.hit_len,startPixels:this.startPixels,endPixels:this.endPixels},{fontSize:this.fontSize},this.topPadding);this.canvas.add(l),this.topPadding+=15;let u="white",f=0,d=0;for(const t of e.hit_hsps){"-1"===t.hsp_hit_frame?(f=t.hsp_hit_to,d=t.hsp_hit_from):(f=t.hsp_hit_from,d=t.hsp_hit_to),u=this.colorScheme===c.ncbiblast?m(t.hsp_bit_score,this.gradientSteps,r):g(t.hsp_expect,this.gradientSteps,n);break}let p=0,v=0;[p,v]=h(this.startPixels,this.endPixels,e.hit_len,f,d,this.marginWidth);let y=0,_=this.topPadding-15;if(e.hit_acc in this.iprmcDataFlatObj&&void 0!==this.iprmcDataFlatObj[e.hit_acc].matches)for(const t of this.iprmcDataFlatObj[e.hit_acc].matches){const i=k(this.iprmcDataFlatObj[e.hit_acc].match[t][0].dbname);if(this.domainDatabaseList.includes(i)){this.topPadding+=15,y+=15;let n,r,s,o=M({startPixels:this.startPixels,endPixels:this.endPixels},{strokeWidth:1,strokeDashArray:[1,5]},this.topPadding);this.canvas.add(o),o.sendToBack(),[r,s,n]=tt(t.split("_")[1]+" ►",{fontSize:this.fontSize},this.topPadding),this.canvas.add(r),this.canvas.add(s);const a=A(t.split("_")[1],i);it(s,n,"",a,{fontSize:this.fontSize},this),nt(s,a,this),rt(s,n,this);for(const i of this.iprmcDataFlatObj[e.hit_acc].match[t]){let t=i.start,n=i.end,r=0,s=0;[r,s]=h(this.startPixels,this.endPixels,e.hit_len,t,n,this.marginWidth);const o=et(r,s,this.topPadding+10,b(i.dbname));this.canvas.add(o),st(o,r,s,t,n,i,{fontSize:this.fontSize},this),ot(o,this)}}}y+=15;const x=Z(p,v,_,u,y);this.canvas.add(x),x.sendToBack(),this.topPadding+=40}}}drawColorScaleGroup(){const t=U({fontSize:this.fontSize,scaleLabelWidth:this.scaleLabelWidth},this.topPadding);let e,i,n,r,s,o,a,h,l;this.canvas.add(t),[r,s,e,o,a,i,h,l,n]=Y({colorScheme:this.colorScheme,fontSize:this.fontSize,scaleLabelWidth:this.scaleLabelWidth},this.topPadding),this.canvas.add(r),this.canvas.add(s),at(r,e,this),ct(r,e,c.dynamic,this),ht(r,c.dynamic,this),this.canvas.add(o),this.canvas.add(a),at(o,i,this),ct(o,i,c.fixed,this),ht(o,c.fixed,this),this.canvas.add(h),this.canvas.add(l),at(h,n,this),ct(h,n,c.ncbiblast,this),ht(h,c.ncbiblast,this),this.topPadding+=25;const u=X({fontSize:this.fontSize,scaleLabelWidth:this.scaleLabelWidth,colorScheme:this.colorScheme},this.topPadding);this.canvas.add(u);const f=G({scaleWidth:this.scaleWidth,scaleLabelWidth:this.scaleLabelWidth,colorScheme:this.colorScheme},this.topPadding);if(this.canvas.add(f),this.colorScheme===c.ncbiblast){const t=(this.scaleLabelWidth+this.scaleWidth-this.scaleLabelWidth)/5;this.topPadding+=15;const e=V(this.scaleLabelWidth,this.scaleLabelWidth+t,this.scaleLabelWidth+2*t,this.scaleLabelWidth+3*t,this.scaleLabelWidth+4*t,this.scaleLabelWidth+this.scaleWidth,{strokeWidth:1},this.topPadding);this.canvas.add(e),this.topPadding+=5;const i=q(this.gradientSteps,t,{fontSize:this.fontSize,scaleWidth:this.scaleWidth,scaleLabelWidth:this.scaleLabelWidth},this.topPadding);this.canvas.add(i)}else{const t=(this.scaleLabelWidth+this.scaleWidth-this.scaleLabelWidth)/4;this.topPadding+=15;const e=H(this.scaleLabelWidth,this.scaleLabelWidth+t,this.scaleLabelWidth+2*t,this.scaleLabelWidth+3*t,this.scaleLabelWidth+this.scaleWidth,{strokeWidth:1},this.topPadding);this.canvas.add(e),this.topPadding+=5;const i=K(this.gradientSteps,t,{fontSize:this.fontSize,scaleWidth:this.scaleWidth,scaleLabelWidth:this.scaleLabelWidth},this.topPadding);this.canvas.add(i)}}drawFooterGroup(){let t,e;this.topPadding+=30,[t,e]=$({fontSize:this.fontSize},this.topPadding),this.canvas.add(t)}wrapCanvas(){if(this.topPadding+=20,this.canvasHeight=this.topPadding,this.canvasWrapperStroke){const t=Q({canvasWidth:this.canvasWidth,canvasHeight:this.canvasHeight});this.canvas.add(t)}}}var mt=i(9),vt=i.n(mt);
+/**
+ * @license
+ * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at
+ * http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at
+ * http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at
+ * http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at
+ * http://polymer.github.io/PATENTS.txt
+ */
+const bt="undefined"!=typeof window&&null!=window.customElements&&void 0!==window.customElements.polyfillWrapFlushCallback,yt=(t,e,i=null)=>{for(;e!==i;){const i=e.nextSibling;t.removeChild(e),e=i}},_t=`{{lit-${String(Math.random()).slice(2)}}}`,xt=`\x3c!--${_t}--\x3e`,St=new RegExp(`${_t}|${xt}`);class wt{constructor(t,e){this.parts=[],this.element=e;const i=[],n=[],r=document.createTreeWalker(e.content,133,null,!1);let s=0,o=-1,a=0;const{strings:h,values:{length:c}}=t;for(;a<c;){const t=r.nextNode();if(null!==t){if(o++,1===t.nodeType){if(t.hasAttributes()){const e=t.attributes,{length:i}=e;let n=0;for(let t=0;t<i;t++)Ct(e[t].name,"$lit$")&&n++;for(;n-- >0;){const e=h[a],i=Et.exec(e)[2],n=i.toLowerCase()+"$lit$",r=t.getAttribute(n);t.removeAttribute(n);const s=r.split(St);this.parts.push({type:"attribute",index:o,name:i,strings:s}),a+=s.length-1}}"TEMPLATE"===t.tagName&&(n.push(t),r.currentNode=t.content)}else if(3===t.nodeType){const e=t.data;if(e.indexOf(_t)>=0){const n=t.parentNode,r=e.split(St),s=r.length-1;for(let e=0;e<s;e++){let i,s=r[e];if(""===s)i=Ot();else{const t=Et.exec(s);null!==t&&Ct(t[2],"$lit$")&&(s=s.slice(0,t.index)+t[1]+t[2].slice(0,-"$lit$".length)+t[3]),i=document.createTextNode(s)}n.insertBefore(i,t),this.parts.push({type:"node",index:++o})}""===r[s]?(n.insertBefore(Ot(),t),i.push(t)):t.data=r[s],a+=s}}else if(8===t.nodeType)if(t.data===_t){const e=t.parentNode;null!==t.previousSibling&&o!==s||(o++,e.insertBefore(Ot(),t)),s=o,this.parts.push({type:"node",index:o}),null===t.nextSibling?t.data="":(i.push(t),o--),a++}else{let e=-1;for(;-1!==(e=t.data.indexOf(_t,e+1));)this.parts.push({type:"node",index:-1}),a++}}else r.currentNode=n.pop()}for(const t of i)t.parentNode.removeChild(t)}}const Ct=(t,e)=>{const i=t.length-e.length;return i>=0&&t.slice(i)===e},Tt=t=>-1!==t.index,Ot=()=>document.createComment(""),Et=/([ \x09\x0a\x0c\x0d])([^\0-\x1F\x7F-\x9F "'>=/]+)([ \x09\x0a\x0c\x0d]*=[ \x09\x0a\x0c\x0d]*(?:[^ \x09\x0a\x0c\x0d"'`<>=]*|"[^"]*|'[^']*))$/;function Pt(t,e){const{element:{content:i},parts:n}=t,r=document.createTreeWalker(i,133,null,!1);let s=At(n),o=n[s],a=-1,h=0;const c=[];let l=null;for(;r.nextNode();){a++;const t=r.currentNode;for(t.previousSibling===l&&(l=null),e.has(t)&&(c.push(t),null===l&&(l=t)),null!==l&&h++;void 0!==o&&o.index===a;)o.index=null!==l?-1:o.index-h,s=At(n,s),o=n[s]}c.forEach(t=>t.parentNode.removeChild(t))}const kt=t=>{let e=11===t.nodeType?0:1;const i=document.createTreeWalker(t,133,null,!1);for(;i.nextNode();)e++;return e},At=(t,e=-1)=>{for(let i=e+1;i<t.length;i++){const e=t[i];if(Tt(e))return i}return-1};
+/**
+ * @license
+ * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at
+ * http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at
+ * http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at
+ * http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at
+ * http://polymer.github.io/PATENTS.txt
+ */
+const Dt=new WeakMap,jt=t=>"function"==typeof t&&Dt.has(t),Lt={},Ft={};
+/**
+ * @license
+ * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at
+ * http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at
+ * http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at
+ * http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at
+ * http://polymer.github.io/PATENTS.txt
+ */
+class Mt{constructor(t,e,i){this.__parts=[],this.template=t,this.processor=e,this.options=i}update(t){let e=0;for(const i of this.__parts)void 0!==i&&i.setValue(t[e]),e++;for(const t of this.__parts)void 0!==t&&t.commit()}_clone(){const t=bt?this.template.element.content.cloneNode(!0):document.importNode(this.template.element.content,!0),e=[],i=this.template.parts,n=document.createTreeWalker(t,133,null,!1);let r,s=0,o=0,a=n.nextNode();for(;s<i.length;)if(r=i[s],Tt(r)){for(;o<r.index;)o++,"TEMPLATE"===a.nodeName&&(e.push(a),n.currentNode=a.content),null===(a=n.nextNode())&&(n.currentNode=e.pop(),a=n.nextNode());if("node"===r.type){const t=this.processor.handleTextExpression(this.options);t.insertAfterNode(a.previousSibling),this.__parts.push(t)}else this.__parts.push(...this.processor.handleAttributeExpressions(a,r.name,r.strings,this.options));s++}else this.__parts.push(void 0),s++;return bt&&(document.adoptNode(t),customElements.upgrade(t)),t}}
+/**
+ * @license
+ * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at
+ * http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at
+ * http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at
+ * http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at
+ * http://polymer.github.io/PATENTS.txt
+ */const It=` ${_t} `;class Rt{constructor(t,e,i,n){this.strings=t,this.values=e,this.type=i,this.processor=n}getHTML(){const t=this.strings.length-1;let e="",i=!1;for(let n=0;n<t;n++){const t=this.strings[n],r=t.lastIndexOf("\x3c!--");i=(r>-1||i)&&-1===t.indexOf("--\x3e",r+1);const s=Et.exec(t);e+=null===s?t+(i?It:xt):t.substr(0,s.index)+s[1]+s[2]+"$lit$"+s[3]+_t}return e+=this.strings[t],e}getTemplateElement(){const t=document.createElement("template");return t.innerHTML=this.getHTML(),t}}
+/**
+ * @license
+ * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at
+ * http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at
+ * http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at
+ * http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at
+ * http://polymer.github.io/PATENTS.txt
+ */
+const Bt=t=>null===t||!("object"==typeof t||"function"==typeof t),Nt=t=>Array.isArray(t)||!(!t||!t[Symbol.iterator]);class Wt{constructor(t,e,i){this.dirty=!0,this.element=t,this.name=e,this.strings=i,this.parts=[];for(let t=0;t<i.length-1;t++)this.parts[t]=this._createPart()}_createPart(){return new zt(this)}_getValue(){const t=this.strings,e=t.length-1;let i="";for(let n=0;n<e;n++){i+=t[n];const e=this.parts[n];if(void 0!==e){const t=e.value;if(Bt(t)||!Nt(t))i+="string"==typeof t?t:String(t);else for(const e of t)i+="string"==typeof e?e:String(e)}}return i+=t[e],i}commit(){this.dirty&&(this.dirty=!1,this.element.setAttribute(this.name,this._getValue()))}}class zt{constructor(t){this.value=void 0,this.committer=t}setValue(t){t===Lt||Bt(t)&&t===this.value||(this.value=t,jt(t)||(this.committer.dirty=!0))}commit(){for(;jt(this.value);){const t=this.value;this.value=Lt,t(this)}this.value!==Lt&&this.committer.commit()}}class Ut{constructor(t){this.value=void 0,this.__pendingValue=void 0,this.options=t}appendInto(t){this.startNode=t.appendChild(Ot()),this.endNode=t.appendChild(Ot())}insertAfterNode(t){this.startNode=t,this.endNode=t.nextSibling}appendIntoPart(t){t.__insert(this.startNode=Ot()),t.__insert(this.endNode=Ot())}insertAfterPart(t){t.__insert(this.startNode=Ot()),this.endNode=t.endNode,t.endNode=this.startNode}setValue(t){this.__pendingValue=t}commit(){if(null===this.startNode.parentNode)return;for(;jt(this.__pendingValue);){const t=this.__pendingValue;this.__pendingValue=Lt,t(this)}const t=this.__pendingValue;t!==Lt&&(Bt(t)?t!==this.value&&this.__commitText(t):t instanceof Rt?this.__commitTemplateResult(t):t instanceof Node?this.__commitNode(t):Nt(t)?this.__commitIterable(t):t===Ft?(this.value=Ft,this.clear()):this.__commitText(t))}__insert(t){this.endNode.parentNode.insertBefore(t,this.endNode)}__commitNode(t){this.value!==t&&(this.clear(),this.__insert(t),this.value=t)}__commitText(t){const e=this.startNode.nextSibling,i="string"==typeof(t=null==t?"":t)?t:String(t);e===this.endNode.previousSibling&&3===e.nodeType?e.data=i:this.__commitNode(document.createTextNode(i)),this.value=t}__commitTemplateResult(t){const e=this.options.templateFactory(t);if(this.value instanceof Mt&&this.value.template===e)this.value.update(t.values);else{const i=new Mt(e,t.processor,this.options),n=i._clone();i.update(t.values),this.__commitNode(n),this.value=i}}__commitIterable(t){Array.isArray(this.value)||(this.value=[],this.clear());const e=this.value;let i,n=0;for(const r of t)i=e[n],void 0===i&&(i=new Ut(this.options),e.push(i),0===n?i.appendIntoPart(this):i.insertAfterPart(e[n-1])),i.setValue(r),i.commit(),n++;n<e.length&&(e.length=n,this.clear(i&&i.endNode))}clear(t=this.startNode){yt(this.startNode.parentNode,t.nextSibling,this.endNode)}}class Yt{constructor(t,e,i){if(this.value=void 0,this.__pendingValue=void 0,2!==i.length||""!==i[0]||""!==i[1])throw new Error("Boolean attributes can only contain a single expression");this.element=t,this.name=e,this.strings=i}setValue(t){this.__pendingValue=t}commit(){for(;jt(this.__pendingValue);){const t=this.__pendingValue;this.__pendingValue=Lt,t(this)}if(this.__pendingValue===Lt)return;const t=!!this.__pendingValue;this.value!==t&&(t?this.element.setAttribute(this.name,""):this.element.removeAttribute(this.name),this.value=t),this.__pendingValue=Lt}}class Xt extends Wt{constructor(t,e,i){super(t,e,i),this.single=2===i.length&&""===i[0]&&""===i[1]}_createPart(){return new Gt(this)}_getValue(){return this.single?this.parts[0].value:super._getValue()}commit(){this.dirty&&(this.dirty=!1,this.element[this.name]=this._getValue())}}class Gt extends zt{}let Ht=!1;(()=>{try{const t={get capture(){return Ht=!0,!1}};window.addEventListener("test",t,t),window.removeEventListener("test",t,t)}catch(t){}})();class Vt{constructor(t,e,i){this.value=void 0,this.__pendingValue=void 0,this.element=t,this.eventName=e,this.eventContext=i,this.__boundHandleEvent=t=>this.handleEvent(t)}setValue(t){this.__pendingValue=t}commit(){for(;jt(this.__pendingValue);){const t=this.__pendingValue;this.__pendingValue=Lt,t(this)}if(this.__pendingValue===Lt)return;const t=this.__pendingValue,e=this.value,i=null==t||null!=e&&(t.capture!==e.capture||t.once!==e.once||t.passive!==e.passive),n=null!=t&&(null==e||i);i&&this.element.removeEventListener(this.eventName,this.__boundHandleEvent,this.__options),n&&(this.__options=qt(t),this.element.addEventListener(this.eventName,this.__boundHandleEvent,this.__options)),this.value=t,this.__pendingValue=Lt}handleEvent(t){"function"==typeof this.value?this.value.call(this.eventContext||this.element,t):this.value.handleEvent(t)}}const qt=t=>t&&(Ht?{capture:t.capture,passive:t.passive,once:t.once}:t.capture)
+/**
+ * @license
+ * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at
+ * http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at
+ * http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at
+ * http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at
+ * http://polymer.github.io/PATENTS.txt
+ */;function Kt(t){let e=$t.get(t.type);void 0===e&&(e={stringsArray:new WeakMap,keyString:new Map},$t.set(t.type,e));let i=e.stringsArray.get(t.strings);if(void 0!==i)return i;const n=t.strings.join(_t);return i=e.keyString.get(n),void 0===i&&(i=new wt(t,t.getTemplateElement()),e.keyString.set(n,i)),e.stringsArray.set(t.strings,i),i}const $t=new Map,Qt=new WeakMap;
+/**
+ * @license
+ * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at
+ * http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at
+ * http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at
+ * http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at
+ * http://polymer.github.io/PATENTS.txt
+ */const Jt=new
+/**
+ * @license
+ * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at
+ * http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at
+ * http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at
+ * http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at
+ * http://polymer.github.io/PATENTS.txt
+ */
+class{handleAttributeExpressions(t,e,i,n){const r=e[0];if("."===r){return new Xt(t,e.slice(1),i).parts}return"@"===r?[new Vt(t,e.slice(1),n.eventContext)]:"?"===r?[new Yt(t,e.slice(1),i)]:new Wt(t,e,i).parts}handleTextExpression(t){return new Ut(t)}};
+/**
+ * @license
+ * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at
+ * http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at
+ * http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at
+ * http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at
+ * http://polymer.github.io/PATENTS.txt
+ */"undefined"!=typeof window&&(window.litHtmlVersions||(window.litHtmlVersions=[])).push("1.2.1");const Zt=(t,...e)=>new Rt(t,e,"html",Jt),te=(t,e)=>`${t}--${e}`;let ee=!0;void 0===window.ShadyCSS?ee=!1:void 0===window.ShadyCSS.prepareTemplateDom&&(console.warn("Incompatible ShadyCSS version detected. 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+/**
+ * @license
+ * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at
+ * http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at
+ * http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at
+ * http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at
+ * http://polymer.github.io/PATENTS.txt
+ */
+const le=t=>e=>"function"==typeof e?((t,e)=>(window.customElements.define(t,e),e))(t,e):((t,e)=>{const{kind:i,elements:n}=e;return{kind:i,elements:n,finisher(e){window.customElements.define(t,e)}}})(t,e),ue=(t,e)=>"method"===e.kind&&e.descriptor&&!("value"in e.descriptor)?Object.assign(Object.assign({},e),{finisher(i){i.createProperty(e.key,t)}}):{kind:"field",key:Symbol(),placement:"own",descriptor:{},initializer(){"function"==typeof e.initializer&&(this[e.key]=e.initializer.call(this))},finisher(i){i.createProperty(e.key,t)}};function fe(t){return(e,i)=>void 0!==i?((t,e,i)=>{e.constructor.createProperty(i,t)})(t,e,i):ue(t,e)}
+/**
+@license
+Copyright (c) 2019 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at
+http://polymer.github.io/LICENSE.txt The complete set of authors may be found at
+http://polymer.github.io/AUTHORS.txt The complete set of contributors may be
+found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as
+part of the polymer project is also subject to an additional IP rights grant
+found at http://polymer.github.io/PATENTS.txt
+*/
+const de="adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype;Symbol();
+/**
+ * @license
+ * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at
+ * http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at
+ * http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at
+ * http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at
+ * http://polymer.github.io/PATENTS.txt
+ */
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\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index c26c1fb..a706cad 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "jdispatcher-viewers",
-    "version": "0.0.1",
+    "version": "0.0.2",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
@@ -13,996 +13,15 @@
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+            "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
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@@ -8070,8 +6578,7 @@
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@@ -8149,7 +6653,6 @@
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@@ -8595,14 +7097,12 @@
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@@ -8629,7 +7129,6 @@
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@@ -8639,21 +7138,18 @@
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@@ -8664,7 +7160,6 @@
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@@ -8675,8 +7170,7 @@
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@@ -8726,8 +7220,7 @@
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-            "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-            "dev": true
+            "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
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@@ -8742,14 +7235,12 @@
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@@ -8758,14 +7249,12 @@
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@@ -8783,8 +7272,7 @@
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diff --git a/package.json b/package.json
index fc8f42f..4fab8ce 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "jdispatcher-viewers",
-    "version": "0.0.1",
+    "version": "0.0.2",
     "description": "Viewers for Job Dispatcher tool outputs",
     "main": "app.js",
     "scripts": {
@@ -17,23 +17,25 @@
     "author": "Fábio Madeira",
     "repository": "https://gitlab.ebi.ac.uk/ebi-biows/jdispatcher-viewers",
     "license": "Apache-2.0",
-    "devDependencies": {
+    "dependencies": {
         "@types/fabric": "3.6.2",
         "@types/node": "13.9.0",
-        "@typescript-eslint/eslint-plugin": "^2.33.0",
-        "@typescript-eslint/parser": "^2.33.0",
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-        "eslint": "^6.8.0",
         "fabric": "3.6.2",
         "lit-element": "^2.3.1",
+        "xml-js": "^1.6.11",
         "mini-svg-data-uri": "^1.2.3"
+    },
+    "devDependencies": {
+        "@typescript-eslint/eslint-plugin": "^2.33.0",
+        "@typescript-eslint/parser": "^2.33.0",
+        "clean-webpack-plugin": "^3.0.0",
+        "eslint": "^6.8.0",
         "ts-loader": "^6.2.2",
         "typescript": "^3.9.2",
         "webpack": "^4.43.0",
         "webpack-cli": "^3.3.11",
-        "webpack-dev-server": "^3.11.0",
-        "xml-js": "^1.6.11"
+        "webpack-dev-server": "^3.11.0"
     }
 }