diff --git "a/Pages/streamlit_img_label/frontend/build/static/js/2.b19543fd.chunk.js" "b/Pages/streamlit_img_label/frontend/build/static/js/2.b19543fd.chunk.js"
new file mode 100644--- /dev/null
+++ "b/Pages/streamlit_img_label/frontend/build/static/js/2.b19543fd.chunk.js"
@@ -0,0 +1,3 @@
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t=!!i.document.createElement("div").attachEvent;i.util.addListener=function(e,n,r,i){e&&e.addEventListener(n,r,!t&&i)},i.util.removeListener=function(e,n,r,i){e&&e.removeEventListener(n,r,!t&&i)},i.util.getPointer=function(t){var e=t.target,n=i.util.getScrollLeftTop(e),r=function(t){var e=t.changedTouches;return e&&e[0]?e[0]:t}(t);return{x:r.clientX+n.left,y:r.clientY+n.top}}}(),function(){var t=i.document.createElement("div"),e="string"===typeof t.style.opacity,n="string"===typeof t.style.filter,r=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,o=function(t){return t};e?o=function(t,e){return t.style.opacity=e,t}:n&&(o=function(t,e){var n=t.style;return t.currentStyle&&!t.currentStyle.hasLayout&&(n.zoom=1),r.test(n.filter)?(e=e>=.9999?"":"alpha(opacity="+100*e+")",n.filter=n.filter.replace(r,e)):n.filter+=" alpha(opacity="+100*e+")",t}),i.util.setStyle=function(t,e){var n=t.style;if(!n)return t;if("string"===typeof e)return 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n=i.document.getElementsByTagName("head")[0],r=i.document.createElement("script"),o=!0;r.onload=r.onreadystatechange=function(t){if(o){if("string"===typeof this.readyState&&"loaded"!==this.readyState&&"complete"!==this.readyState)return;o=!1,e(t||i.window.event),r=r.onload=r.onreadystatechange=null}},r.src=t,n.appendChild(r)},i.util.getById=function(t){return"string"===typeof t?i.document.getElementById(t):t},i.util.toArray=r,i.util.makeElement=o,i.util.addClass=function(t,e){t&&-1===(" "+t.className+" ").indexOf(" "+e+" ")&&(t.className+=(t.className?" 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this.points=this.points.concat(t),this}},e.Intersection.intersectLineLine=function(t,r,i,o){var a,s=(o.x-i.x)*(t.y-i.y)-(o.y-i.y)*(t.x-i.x),u=(r.x-t.x)*(t.y-i.y)-(r.y-t.y)*(t.x-i.x),c=(o.y-i.y)*(r.x-t.x)-(o.x-i.x)*(r.y-t.y);if(0!==c){var l=s/c,h=u/c;0<=l&&l<=1&&0<=h&&h<=1?(a=new n("Intersection")).appendPoint(new e.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y))):a=new n}else a=new n(0===s||0===u?"Coincident":"Parallel");return a},e.Intersection.intersectLinePolygon=function(t,e,r){var i,o,a,s,u=new n,c=r.length;for(s=0;s<c;s++)i=r[s],o=r[(s+1)%c],a=n.intersectLineLine(t,e,i,o),u.appendPoints(a.points);return u.points.length>0&&(u.status="Intersection"),u},e.Intersection.intersectPolygonPolygon=function(t,e){var r,i=new n,o=t.length;for(r=0;r<o;r++){var a=t[r],s=t[(r+1)%o],u=n.intersectLinePolygon(a,s,e);i.appendPoints(u.points)}return i.points.length>0&&(i.status="Intersection"),i},e.Intersection.intersectPolygonRectangle=function(t,r,i){var o=r.min(i),a=r.max(i),s=new e.Point(a.x,o.y),u=new e.Point(o.x,a.y),c=n.intersectLinePolygon(o,s,t),l=n.intersectLinePolygon(s,a,t),h=n.intersectLinePolygon(a,u,t),f=n.intersectLinePolygon(u,o,t),d=new n;return d.appendPoints(c.points),d.appendPoints(l.points),d.appendPoints(h.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 n(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function r(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+(e-t)*(2/3-n)*6:t}e.Color?e.warn("fabric.Color is already defined."):(e.Color=n,e.Color.prototype={_tryParsingColor:function(t){var e;t in n.colorNameMap&&(t=n.colorNameMap[t]),"transparent"===t&&(e=[255,255,255,0]),e||(e=n.sourceFromHex(t)),e||(e=n.sourceFromRgb(t)),e||(e=n.sourceFromHsl(t)),e||(e=[0,0,0,1]),e&&this.setSource(e)},_rgbToHsl:function(t,n,r){t/=255,n/=255,r/=255;var i,o,a,s=e.util.array.max([t,n,r]),u=e.util.array.min([t,n,r]);if(a=(s+u)/2,s===u)i=o=0;else{var c=s-u;switch(o=a>.5?c/(2-s-u):c/(s+u),s){case t:i=(n-r)/c+(n<r?6:0);break;case n:i=(r-t)/c+2;break;case r:i=(t-n)/c+4}i/=6}return[Math.round(360*i),Math.round(100*o),Math.round(100*a)]},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,n,r=this.getSource();return t=1===(t=r[0].toString(16)).length?"0"+t:t,e=1===(e=r[1].toString(16)).length?"0"+e:e,n=1===(n=r[2].toString(16)).length?"0"+n:n,t.toUpperCase()+e.toUpperCase()+n.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),n=t[3];return this.setSource([e,e,e,n]),this},toBlackWhite:function(t){var e=this.getSource(),n=(.3*e[0]+.59*e[1]+.11*e[2]).toFixed(0),r=e[3];return t=t||127,n=Number(n)<Number(t)?0:255,this.setSource([n,n,n,r]),this},overlayWith:function(t){t instanceof n||(t=new n(t));var e,r=[],i=this.getAlpha(),o=this.getSource(),a=t.getSource();for(e=0;e<3;e++)r.push(Math.round(.5*o[e]+.5*a[e]));return r[3]=i,this.setSource(r),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 n.fromSource(n.sourceFromRgb(t))},e.Color.sourceFromRgb=function(t){var e=t.match(n.reRGBa);if(e){var r=parseInt(e[1],10)/(/%$/.test(e[1])?100:1)*(/%$/.test(e[1])?255:1),i=parseInt(e[2],10)/(/%$/.test(e[2])?100:1)*(/%$/.test(e[2])?255:1),o=parseInt(e[3],10)/(/%$/.test(e[3])?100:1)*(/%$/.test(e[3])?255:1);return[parseInt(r,10),parseInt(i,10),parseInt(o,10),e[4]?parseFloat(e[4]):1]}},e.Color.fromRgba=n.fromRgb,e.Color.fromHsl=function(t){return n.fromSource(n.sourceFromHsl(t))},e.Color.sourceFromHsl=function(t){var e=t.match(n.reHSLa);if(e){var i,o,a,s=(parseFloat(e[1])%360+360)%360/360,u=parseFloat(e[2])/(/%$/.test(e[2])?100:1),c=parseFloat(e[3])/(/%$/.test(e[3])?100:1);if(0===u)i=o=a=c;else{var l=c<=.5?c*(u+1):c+u-c*u,h=2*c-l;i=r(h,l,s+1/3),o=r(h,l,s),a=r(h,l,s-1/3)}return[Math.round(255*i),Math.round(255*o),Math.round(255*a),e[4]?parseFloat(e[4]):1]}},e.Color.fromHsla=n.fromHsl,e.Color.fromHex=function(t){return n.fromSource(n.sourceFromHex(t))},e.Color.sourceFromHex=function(t){if(t.match(n.reHex)){var e=t.slice(t.indexOf("#")+1),r=3===e.length||4===e.length,i=8===e.length||4===e.length,o=r?e.charAt(0)+e.charAt(0):e.substring(0,2),a=r?e.charAt(1)+e.charAt(1):e.substring(2,4),s=r?e.charAt(2)+e.charAt(2):e.substring(4,6),u=i?r?e.charAt(3)+e.charAt(3):e.substring(6,8):"FF";return[parseInt(o,16),parseInt(a,16),parseInt(s,16),parseFloat((parseInt(u,16)/255).toFixed(2))]}},e.Color.fromSource=function(t){var e=new n;return e.setSource(t),e})}(e),function(){function t(t,e){var n,r,o,a,s=t.getAttribute("style"),u=t.getAttribute("offset")||0;if(u=(u=parseFloat(u)/(/%$/.test(u)?100:1))<0?0:u>1?1:u,s){var c=s.split(/\s*;\s*/);for(""===c[c.length-1]&&c.pop(),a=c.length;a--;){var l=c[a].split(/\s*:\s*/),h=l[0].trim(),f=l[1].trim();"stop-color"===h?n=f:"stop-opacity"===h&&(o=f)}}return n||(n=t.getAttribute("stop-color")||"rgb(0,0,0)"),o||(o=t.getAttribute("stop-opacity")),r=(n=new i.Color(n)).getAlpha(),o=isNaN(parseFloat(o))?1:parseFloat(o),o*=r*e,{offset:u,color:n.toRgb(),opacity:o}}var e=i.util.object.clone;function n(t,e,n,r){var i,o;Object.keys(e).forEach((function(t){"Infinity"===(i=e[t])?o=1:"-Infinity"===i?o=0:(o=parseFloat(e[t],10),"string"===typeof i&&/^(\d+\.\d+)%|(\d+)%$/.test(i)&&(o*=.01,"pixels"===r&&("x1"!==t&&"x2"!==t&&"r2"!==t||(o*=n.viewBoxWidth||n.width),"y1"!==t&&"y2"!==t||(o*=n.viewBoxHeight||n.height)))),e[t]=o}))}i.Gradient=i.util.createClass({offsetX:0,offsetY:0,gradientTransform:null,gradientUnits:"pixels",type:"linear",initialize:function(t){t||(t={}),t.coords||(t.coords={});var e,n=this;Object.keys(t).forEach((function(e){n[e]=t[e]})),this.id?this.id+="_"+i.Object.__uid++:this.id=i.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 n=new i.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:n.toRgb(),opacity:n.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 i.util.populateWithProperties(this,e,t),e},toSVG:function(t,n){var r,o,a,s,u=e(this.coords,!0),c=(n=n||{},e(this.colorStops,!0)),l=u.r1>u.r2,h=this.gradientTransform?this.gradientTransform.concat():i.iMatrix.concat(),f=-this.offsetX,d=-this.offsetY,p=!!n.additionalTransform,v="pixels"===this.gradientUnits?"userSpaceOnUse":"objectBoundingBox";if(c.sort((function(t,e){return t.offset-e.offset})),"objectBoundingBox"===v?(f/=t.width,d/=t.height):(f+=t.width/2,d+=t.height/2),"path"===t.type&&(f-=t.pathOffset.x,d-=t.pathOffset.y),h[4]-=f,h[5]-=d,s='id="SVGID_'+this.id+'" gradientUnits="'+v+'"',s+=' gradientTransform="'+(p?n.additionalTransform+" ":"")+i.util.matrixToSVG(h)+'" ',"linear"===this.type?a=["<linearGradient ",s,' x1="',u.x1,'" y1="',u.y1,'" x2="',u.x2,'" y2="',u.y2,'">\n']:"radial"===this.type&&(a=["<radialGradient ",s,' cx="',l?u.x1:u.x2,'" cy="',l?u.y1:u.y2,'" r="',l?u.r1:u.r2,'" fx="',l?u.x2:u.x1,'" fy="',l?u.y2:u.y1,'">\n']),"radial"===this.type){if(l)for((c=c.concat()).reverse(),r=0,o=c.length;r<o;r++)c[r].offset=1-c[r].offset;var y=Math.min(u.r1,u.r2);if(y>0){var g=y/Math.max(u.r1,u.r2);for(r=0,o=c.length;r<o;r++)c[r].offset+=g*(1-c[r].offset)}}for(r=0,o=c.length;r<o;r++){var m=c[r];a.push("<stop ",'offset="',100*m.offset+"%",'" style="stop-color:',m.color,"undefined"!==typeof m.opacity?";stop-opacity: "+m.opacity:";",'"/>\n')}return a.push("linear"===this.type?"</linearGradient>\n":"</radialGradient>\n"),a.join("")},toLive:function(t,e){var n,r,o,a=i.util.object.clone(this.coords),s=a.x1,u=a.y1,c=a.x2,l=a.y2,h=this.colorStops;if(this.type){for(e instanceof i.Text&&"percentage"===this.gradientUnits&&(s*=e.width,u*=e.height,c*=e.width,l*=e.height),"linear"===this.type?n=t.createLinearGradient(s,u,c,l):"radial"===this.type&&(n=t.createRadialGradient(s,u,a.r1,c,l,a.r2)),r=0,o=h.length;r<o;r++){var f=h[r].color,d=h[r].opacity,p=h[r].offset;"undefined"!==typeof d&&(f=new i.Color(f).setAlpha(d).toRgba()),n.addColorStop(p,f)}return n}}}),i.util.object.extend(i.Gradient,{fromElement:function(e,r,o,a){var s=parseFloat(o)/(/%$/.test(o)?100:1);s=s<0?0:s>1?1:s,isNaN(s)&&(s=1);var u,c,l,h,f=e.getElementsByTagName("stop"),d="userSpaceOnUse"===e.getAttribute("gradientUnits")?"pixels":"percentage",p=e.getAttribute("gradientTransform")||"",v=[],y=0,g=0;for("linearGradient"===e.nodeName||"LINEARGRADIENT"===e.nodeName?(u="linear",c=function(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}(e)):(u="radial",c=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)),l=f.length;l--;)v.push(t(f[l],s));return h=i.parseTransformAttribute(p),n(r,c,a,d),"pixels"===d&&(y=-r.left,g=-r.top),new i.Gradient({id:e.getAttribute("id"),type:u,coords:c,colorStops:v,gradientUnits:d,gradientTransform:h,offsetX:y,offsetY:g})},forObject:function(t,e){return e||(e={}),n(t,e.coords,e.gradientUnits,{viewBoxWidth:100,viewBoxHeight:100}),new i.Gradient(e)}})}(),function(){"use strict";var t=i.util.toFixed;i.Pattern=i.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,crossOrigin:"",patternTransform:null,initialize:function(t,e){if(t||(t={}),this.id=i.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!==typeof t.source)e&&e(this);else if("undefined"!==typeof i.util.getFunctionBody(t.source))this.source=new Function(i.util.getFunctionBody(t.source)),e&&e(this);else{var n=this;this.source=i.util.createImage(),i.util.loadImage(t.source,(function(t){n.source=t,e&&e(n)}),null,this.crossOrigin)}},toObject:function(e){var n,r,o=i.Object.NUM_FRACTION_DIGITS;return"function"===typeof this.source?n=String(this.source):"string"===typeof this.source.src?n=this.source.src:"object"===typeof this.source&&this.source.toDataURL&&(n=this.source.toDataURL()),r={type:"pattern",source:n,repeat:this.repeat,crossOrigin:this.crossOrigin,offsetX:t(this.offsetX,o),offsetY:t(this.offsetY,o),patternTransform:this.patternTransform?this.patternTransform.concat():null},i.util.populateWithProperties(this,r,e),r},toSVG:function(t){var e="function"===typeof this.source?this.source():this.source,n=e.width/t.width,r=e.height/t.height,i=this.offsetX/t.width,o=this.offsetY/t.height,a="";return"repeat-x"!==this.repeat&&"no-repeat"!==this.repeat||(r=1,o&&(r+=Math.abs(o))),"repeat-y"!==this.repeat&&"no-repeat"!==this.repeat||(n=1,i&&(n+=Math.abs(i))),e.src?a=e.src:e.toDataURL&&(a=e.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+i+'" y="'+o+'" width="'+n+'" height="'+r+'">\n<image x="0" y="0" width="'+e.width+'" height="'+e.height+'" xlink:href="'+a+'"></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("undefined"!==typeof 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={}),n=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 n in"string"===typeof t&&(t=this._parseShadow(t)),t)this[n]=t[n];this.id=e.Object.__uid++},_parseShadow:function(t){var n=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(n)||[];return{color:(n.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)").trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var r=40,i=40,o=e.Object.NUM_FRACTION_DIGITS,a=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),s=new e.Color(this.color);return t.width&&t.height&&(r=100*n((Math.abs(a.x)+this.blur)/t.width,o)+20,i=100*n((Math.abs(a.y)+this.blur)/t.height,o)+20),t.flipX&&(a.x*=-1),t.flipY&&(a.y*=-1),'<filter id="SVGID_'+this.id+'" y="-'+i+'%" height="'+(100+2*i)+'%" x="-'+r+'%" width="'+(100+2*r)+'%" >\n\t<feGaussianBlur in="SourceAlpha" stdDeviation="'+n(this.blur?this.blur/2:0,o)+'"></feGaussianBlur>\n\t<feOffset dx="'+n(a.x,o)+'" dy="'+n(a.y,o)+'" result="oBlur" ></feOffset>\n\t<feFlood flood-color="'+s.toRgb()+'" flood-opacity="'+s.getAlpha()+'"/>\n\t<feComposite in2="oBlur" operator="in" />\n\t<feMerge>\n\t\t<feMergeNode></feMergeNode>\n\t\t<feMergeNode in="SourceGraphic"></feMergeNode>\n\t</feMerge>\n</filter>\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke,nonScaling:this.nonScaling};var t={},n=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke","nonScaling"].forEach((function(e){this[e]!==n[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(i.StaticCanvas)i.warn("fabric.StaticCanvas is already defined.");else{var t=i.util.object.extend,e=i.util.getElementOffset,n=i.util.removeFromArray,r=i.util.toFixed,o=i.util.transformPoint,a=i.util.invertTransform,s=i.util.getNodeCanvas,u=i.util.createCanvasElement,c=new Error("Could not initialize `canvas` element");i.StaticCanvas=i.util.createClass(i.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:i.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,clipPath:void 0,_initStatic:function(t,e){var n=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,n),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,n),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,n),e.overlayColor&&this.setOverlayColor(e.overlayColor,n),this.calcOffset()},_isRetinaScaling:function(){return 1!==i.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?i.devicePixelRatio:1},_initRetinaScaling:function(){if(this._isRetinaScaling()){var t=i.devicePixelRatio;this.__initRetinaScaling(t,this.lowerCanvasEl,this.contextContainer),this.upperCanvasEl&&this.__initRetinaScaling(t,this.upperCanvasEl,this.contextTop)}},__initRetinaScaling:function(t,e,n){e.setAttribute("width",this.width*t),e.setAttribute("height",this.height*t),n.scale(t,t)},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,n){return this.__setBgOverlayImage("overlayImage",t,e,n)},setBackgroundImage:function(t,e,n){return this.__setBgOverlayImage("backgroundImage",t,e,n)},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,n,r){return"string"===typeof e?i.util.loadImage(e,(function(e){if(e){var o=new i.Image(e,r);this[t]=o,o.canvas=this}n&&n(e)}),this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,e&&(e.canvas=this),n&&n(e)),this},__setBgOverlayColor:function(t,e,n){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,n),this},_createCanvasElement:function(){var t=u();if(!t)throw c;if(t.style||(t.style={}),"undefined"===typeof t.getContext)throw c;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=i.util.getById(t)||this._createCanvasElement(),i.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 n;for(var r in e=e||{},t)n=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),n+="px",this.hasLostContext=!0),e.backstoreOnly||this._setCssDimension(r,n);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,n,r,i=this._activeObject;for(this.viewportTransform=t,n=0,r=this._objects.length;n<r;n++)(e=this._objects[n]).group||e.setCoords(!1,!0);return i&&"activeSelection"===i.type&&i.setCoords(!1,!0),this.calcViewportBoundaries(),this.renderOnAddRemove&&this.requestRenderAll(),this},zoomToPoint:function(t,e){var n=t,r=this.viewportTransform.slice(0);t=o(t,a(this.viewportTransform)),r[0]=e,r[3]=e;var i=o(t,r);return r[4]+=n.x-i.x,r[5]+=n.y-i.y,this.setViewportTransform(r)},setZoom:function(t){return this.zoomToPoint(new i.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 i.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=i.util.requestAnimFrame(this.renderAndResetBound)),this},calcViewportBoundaries:function(){var t={},e=this.width,n=this.height,r=a(this.viewportTransform);return t.tl=o({x:0,y:0},r),t.br=o({x:e,y:n},r),t.tr=new i.Point(t.br.x,t.tl.y),t.bl=new i.Point(t.tl.x,t.br.y),this.vptCoords=t,t},cancelRequestedRender:function(){this.isRendering&&(i.util.cancelAnimFrame(this.isRendering),this.isRendering=0)},renderCanvas:function(t,e){var n=this.viewportTransform,r=this.clipPath;this.cancelRequestedRender(),this.calcViewportBoundaries(),this.clearContext(t),this.fire("before:render",{ctx:t}),this.clipTo&&i.util.clipContext(this,t),this._renderBackground(t),t.save(),t.transform(n[0],n[1],n[2],n[3],n[4],n[5]),this._renderObjects(t,e),t.restore(),!this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.clipTo&&t.restore(),r&&(r.canvas=this,r.shouldCache(),r._transformDone=!0,r.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,n=this.clipPath;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.globalCompositeOperation="destination-in",n.transform(t),t.scale(1/n.zoomX,1/n.zoomY),t.drawImage(n._cacheCanvas,-n.cacheTranslationX,-n.cacheTranslationY),t.restore()},_renderObjects:function(t,e){var n,r;for(n=0,r=e.length;n<r;++n)e[n]&&e[n].render(t)},_renderBackgroundOrOverlay:function(t,e){var n=this[e+"Color"],r=this[e+"Image"],i=this.viewportTransform,o=this[e+"Vpt"];if(n||r){if(n){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=n.toLive?n.toLive(t,this):n,o&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),t.transform(1,0,0,1,n.offsetX||0,n.offsetY||0);var a=n.gradientTransform||n.patternTransform;a&&t.transform(a[0],a[1],a[2],a[3],a[4],a[5]),t.fill(),t.restore()}r&&(t.save(),o&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),r.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 i.Point(this.getCenter().left,t.getCenterPoint().y))},centerObjectV:function(t){return this._centerObject(t,new i.Point(t.getCenterPoint().x,this.getCenter().top))},centerObject:function(t){var e=this.getCenter();return this._centerObject(t,new i.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 i.Point(e.x,t.getCenterPoint().y)),this},viewportCenterObjectV:function(t){var e=this.getVpCenter();return this._centerObject(t,new i.Point(t.getCenterPoint().x,e.y))},getVpCenter:function(){var t=this.getCenter(),e=a(this.viewportTransform);return o({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,n){var r=this.clipPath,o={version:i.version,objects:this._toObjects(e,n)};return r&&(o.clipPath=this._toObject(this.clipPath,e,n)),t(o,this.__serializeBgOverlay(e,n)),i.util.populateWithProperties(this,o,n),o},_toObjects:function(t,e){return this._objects.filter((function(t){return!t.excludeFromExport})).map((function(n){return this._toObject(n,t,e)}),this)},_toObject:function(t,e,n){var r;this.includeDefaultValues||(r=t.includeDefaultValues,t.includeDefaultValues=!1);var i=t[e](n);return this.includeDefaultValues||(t.includeDefaultValues=r),i},__serializeBgOverlay:function(t,e){var n={},r=this.backgroundImage,i=this.overlayImage;return this.backgroundColor&&(n.background=this.backgroundColor.toObject?this.backgroundColor.toObject(e):this.backgroundColor),this.overlayColor&&(n.overlay=this.overlayColor.toObject?this.overlayColor.toObject(e):this.overlayColor),r&&!r.excludeFromExport&&(n.backgroundImage=this._toObject(r,t,e)),i&&!i.excludeFromExport&&(n.overlayImage=this._toObject(i,t,e)),n},svgViewportTransformation:!0,toSVG:function(t,e){t||(t={}),t.reviver=e;var n=[];return this._setSVGPreamble(n,t),this._setSVGHeader(n,t),this.clipPath&&n.push('<g clip-path="url(#'+this.clipPath.clipPathId+')" >\n'),this._setSVGBgOverlayColor(n,"background"),this._setSVGBgOverlayImage(n,"backgroundImage",e),this._setSVGObjects(n,e),this.clipPath&&n.push("</g>\n"),this._setSVGBgOverlayColor(n,"overlay"),this._setSVGBgOverlayImage(n,"overlayImage",e),n.push("</svg>"),n.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 n,o=e.width||this.width,a=e.height||this.height,s='viewBox="0 0 '+this.width+" "+this.height+'" ',u=i.Object.NUM_FRACTION_DIGITS;e.viewBox?s='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(n=this.viewportTransform,s='viewBox="'+r(-n[4]/n[0],u)+" "+r(-n[5]/n[3],u)+" "+r(this.width/n[0],u)+" "+r(this.height/n[3],u)+'" '),t.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',o,'" ','height="',a,'" ',s,'xml:space="preserve">\n',"<desc>Created with Fabric.js ",i.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_"+i.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 n=t[e+"Color"];if(n&&n.toLive){var r=t[e+"Vpt"],o=t.viewportTransform,a={width:t.width/(r?o[0]:1),height:t.height/(r?o[3]:1)};return n.toSVG(a,{additionalTransform:r?i.util.matrixToSVG(o):""})}})).join("")},createSVGFontFacesMarkup:function(){var t,e,n,r,o,a,s,u,c="",l={},h=i.fontPaths,f=[];for(this._objects.forEach((function t(e){f.push(e),e._objects&&e._objects.forEach(t)})),s=0,u=f.length;s<u;s++)if(e=(t=f[s]).fontFamily,-1!==t.type.indexOf("text")&&!l[e]&&h[e]&&(l[e]=!0,t.styles))for(o in n=t.styles)for(a in r=n[o])!l[e=r[a].fontFamily]&&h[e]&&(l[e]=!0);for(var d in l)c+=["\t\t@font-face {\n","\t\t\tfont-family: '",d,"';\n","\t\t\tsrc: url('",h[d],"');\n","\t\t}\n"].join("");return c&&(c=['\t<style type="text/css">',"<![CDATA[\n",c,"]]>","</style>\n"].join("")),c},_setSVGObjects:function(t,e){var n,r,i,o=this._objects;for(r=0,i=o.length;r<i;r++)(n=o[r]).excludeFromExport||this._setSVGObject(t,n,e)},_setSVGObject:function(t,e,n){t.push(e.toSVG(n))},_setSVGBgOverlayImage:function(t,e,n){this[e]&&!this[e].excludeFromExport&&this[e].toSVG&&t.push(this[e].toSVG(n))},_setSVGBgOverlayColor:function(t,e){var n=this[e+"Color"],r=this.viewportTransform,o=this.width,a=this.height;if(n)if(n.toLive){var s=n.repeat,u=i.util.invertTransform(r),c=this[e+"Vpt"]?i.util.matrixToSVG(u):"";t.push('<rect transform="'+c+" translate(",o/2,",",a/2,')"',' x="',n.offsetX-o/2,'" y="',n.offsetY-a/2,'" ','width="',"repeat-y"===s||"no-repeat"===s?n.source.width:o,'" height="',"repeat-x"===s||"no-repeat"===s?n.source.height:a,'" fill="url(#SVGID_'+n.id+')"',"></rect>\n")}else t.push('<rect x="0" y="0" width="100%" height="100%" ','fill="',n,'"',"></rect>\n")},sendToBack:function(t){if(!t)return this;var e,r,i,o=this._activeObject;if(t===o&&"activeSelection"===t.type)for(e=(i=o._objects).length;e--;)r=i[e],n(this._objects,r),this._objects.unshift(r);else n(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,r,i,o=this._activeObject;if(t===o&&"activeSelection"===t.type)for(i=o._objects,e=0;e<i.length;e++)r=i[e],n(this._objects,r),this._objects.push(r);else n(this._objects,t),this._objects.push(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},sendBackwards:function(t,e){if(!t)return this;var r,i,o,a,s,u=this._activeObject,c=0;if(t===u&&"activeSelection"===t.type)for(s=u._objects,r=0;r<s.length;r++)i=s[r],(o=this._objects.indexOf(i))>0+c&&(a=o-1,n(this._objects,i),this._objects.splice(a,0,i)),c++;else 0!==(o=this._objects.indexOf(t))&&(a=this._findNewLowerIndex(t,o,e),n(this._objects,t),this._objects.splice(a,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewLowerIndex:function(t,e,n){var r,i;if(n)for(r=e,i=e-1;i>=0;--i){if(t.intersectsWithObject(this._objects[i])||t.isContainedWithinObject(this._objects[i])||this._objects[i].isContainedWithinObject(t)){r=i;break}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var r,i,o,a,s,u=this._activeObject,c=0;if(t===u&&"activeSelection"===t.type)for(r=(s=u._objects).length;r--;)i=s[r],(o=this._objects.indexOf(i))<this._objects.length-1-c&&(a=o+1,n(this._objects,i),this._objects.splice(a,0,i)),c++;else(o=this._objects.indexOf(t))!==this._objects.length-1&&(a=this._findNewUpperIndex(t,o,e),n(this._objects,t),this._objects.splice(a,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewUpperIndex:function(t,e,n){var r,i,o;if(n)for(r=e,i=e+1,o=this._objects.length;i<o;++i){if(t.intersectsWithObject(this._objects[i])||t.isContainedWithinObject(this._objects[i])||this._objects[i].isContainedWithinObject(t)){r=i;break}}else r=e+1;return r},moveTo:function(t,e){return n(this._objects,t),this._objects.splice(e,0,t),this.renderOnAddRemove&&this.requestRenderAll()},dispose:function(){return this.isRendering&&(i.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,i.util.cleanUpJsdomNode(this.lowerCanvasEl),this.lowerCanvasEl=void 0,this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this._objects.length+" }>"}}),t(i.StaticCanvas.prototype,i.Observable),t(i.StaticCanvas.prototype,i.Collection),t(i.StaticCanvas.prototype,i.DataURLExporter),t(i.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=u();if(!e||!e.getContext)return null;var n=e.getContext("2d");if(!n)return null;switch(t){case"setLineDash":return"undefined"!==typeof n.setLineDash;default:return null}}}),i.StaticCanvas.prototype.toJSON=i.StaticCanvas.prototype.toObject,i.isLikelyNode&&(i.StaticCanvas.prototype.createPNGStream=function(){var t=s(this.lowerCanvasEl);return t&&t.createPNGStream()},i.StaticCanvas.prototype.createJPEGStream=function(t){var e=s(this.lowerCanvasEl);return e&&e.createJPEGStream(t)})}}(),i.BaseBrush=i.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 i.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,i.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,n=t.contextTop,r=t.getZoom();t&&t._isRetinaScaling()&&(r*=i.devicePixelRatio),n.shadowColor=e.color,n.shadowBlur=e.blur*r,n.shadowOffsetX=e.offsetX*r,n.shadowOffsetY=e.offsetY*r}},needsFullRender:function(){return new i.Color(this.color).getAlpha()<1||!!this.shadow},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),i.PencilBrush=i.util.createClass(i.BaseBrush,{decimate:.4,initialize:function(t){this.canvas=t,this._points=[]},_drawSegment:function(t,e,n){var r=e.midPointFrom(n);return t.quadraticCurveTo(e.x,e.y,r.x,r.y),r},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 n=this._points,r=n.length,i=this.canvas.contextTop;this._saveAndTransform(i),this.oldEnd&&(i.beginPath(),i.moveTo(this.oldEnd.x,this.oldEnd.y)),this.oldEnd=this._drawSegment(i,n[r-2],n[r-1],!0),i.stroke(),i.restore()}},onMouseUp:function(t){return!this.canvas._isMainEvent(t.e)||(this.oldEnd=void 0,this._finalizeAndAddPath(),!1)},_prepareForDrawing:function(t){var e=new i.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 i.Point(t.x,t.y);return this._addPoint(e)},_render:function(){var t,e,n=this.canvas.contextTop,r=this._points[0],o=this._points[1];if(this._saveAndTransform(n),n.beginPath(),2===this._points.length&&r.x===o.x&&r.y===o.y){var a=this.width/1e3;r=new i.Point(r.x,r.y),o=new i.Point(o.x,o.y),r.x-=a,o.x+=a}for(n.moveTo(r.x,r.y),t=1,e=this._points.length;t<e;t++)this._drawSegment(n,r,o),r=this._points[t],o=this._points[t+1];n.lineTo(r.x,r.y),n.stroke(),n.restore()},convertPointsToSVGPath:function(t){var e,n=[],r=this.width/1e3,o=new i.Point(t[0].x,t[0].y),a=new i.Point(t[1].x,t[1].y),s=t.length,u=1,c=0,l=s>2;for(l&&(u=t[2].x<a.x?-1:t[2].x===a.x?0:1,c=t[2].y<a.y?-1:t[2].y===a.y?0:1),n.push("M ",o.x-u*r," ",o.y-c*r," "),e=1;e<s;e++){if(!o.eq(a)){var h=o.midPointFrom(a);n.push("Q ",o.x," ",o.y," ",h.x," ",h.y," ")}o=t[e],e+1<t.length&&(a=t[e+1])}return l&&(u=o.x>t[e-2].x?1:o.x===t[e-2].x?0:-1,c=o.y>t[e-2].y?1:o.y===t[e-2].y?0:-1),n.push("L ",o.x+u*r," ",o.y+c*r),n},createPath:function(t){var e=new i.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 n,r=this.canvas.getZoom(),o=Math.pow(e/r,2),a=t.length-1,s=t[0],u=[s];for(n=1;n<a;n++)Math.pow(s.x-t[n].x,2)+Math.pow(s.y-t[n].y,2)>=o&&(s=t[n],u.push(s));return 1===u.length&&u.push(new i.Point(u[0].x,u[0].y)),u},_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()}}),i.CircleBrush=i.util.createClass(i.BaseBrush,{width:10,initialize:function(t){this.canvas=t,this.points=[]},drawDot:function(t){var e=this.addPoint(t),n=this.canvas.contextTop;this._saveAndTransform(n),this.dot(n,e),n.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,n=this.canvas.contextTop,r=this.points;for(this._saveAndTransform(n),t=0,e=r.length;t<e;t++)this.dot(n,r[t]);n.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,n=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var r=[];for(t=0,e=this.points.length;t<e;t++){var o=this.points[t],a=new i.Circle({radius:o.radius,left:o.x,top:o.y,originX:"center",originY:"center",fill:o.fill});this.shadow&&a.setShadow(this.shadow),r.push(a)}var s=new i.Group(r);s.canvas=this.canvas,this.canvas.add(s),this.canvas.fire("path:created",{path:s}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=n,this.canvas.requestRenderAll()},addPoint:function(t){var e=new i.Point(t.x,t.y),n=i.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,r=new i.Color(this.color).setAlpha(i.util.getRandomInt(0,100)/100).toRgba();return e.radius=n,e.fill=r,this.points.push(e),e}}),i.SprayBrush=i.util.createClass(i.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=[],n=0,r=this.sprayChunks.length;n<r;n++)for(var o=this.sprayChunks[n],a=0,s=o.length;a<s;a++){var u=new i.Rect({width:o[a].width,height:o[a].width,left:o[a].x+1,top:o[a].y+1,originX:"center",originY:"center",fill:this.color});e.push(u)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var c=new i.Group(e);this.shadow&&c.setShadow(this.shadow),this.canvas.add(c),this.canvas.fire("path:created",{path:c}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=t,this.canvas.requestRenderAll()},_getOptimizedRects:function(t){var e,n,r,i={};for(n=0,r=t.length;n<r;n++)i[e=t[n].left+""+t[n].top]||(i[e]=t[n]);var o=[];for(e in i)o.push(i[e]);return o},render:function(t){var e,n,r=this.canvas.contextTop;for(r.fillStyle=this.color,this._saveAndTransform(r),e=0,n=t.length;e<n;e++){var i=t[e];"undefined"!==typeof i.opacity&&(r.globalAlpha=i.opacity),r.fillRect(i.x,i.y,i.width,i.width)}r.restore()},_render:function(){var t,e,n=this.canvas.contextTop;for(n.fillStyle=this.color,this._saveAndTransform(n),t=0,e=this.sprayChunks.length;t<e;t++)this.render(this.sprayChunks[t]);n.restore()},addSprayChunk:function(t){this.sprayChunkPoints=[];var e,n,r,o,a=this.width/2;for(o=0;o<this.density;o++){e=i.util.getRandomInt(t.x-a,t.x+a),n=i.util.getRandomInt(t.y-a,t.y+a),r=this.dotWidthVariance?i.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var s=new i.Point(e,n);s.width=r,this.randomOpacity&&(s.opacity=i.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(s)}this.sprayChunks.push(this.sprayChunkPoints)}}),i.PatternBrush=i.util.createClass(i.PencilBrush,{getPatternSrc:function(){var t=i.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),n=e._getLeftTopCoords().scalarAdd(e.strokeWidth/2);return e.stroke=new i.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-n.x,offsetY:-n.y}),e}}),function(){var t=i.util.getPointer,e=i.util.degreesToRadians,n=i.util.radiansToDegrees,r=Math.atan2,o=Math.abs,a=i.StaticCanvas.supports("setLineDash");for(var s in i.Canvas=i.util.createClass(i.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=i.PencilBrush&&new i.PencilBrush(this),this.calcOffset()},_chooseObjectsToRender:function(){var t,e,n,r=this.getActiveObjects();if(r.length>0&&!this.preserveObjectStacking){e=[],n=[];for(var i=0,o=this._objects.length;i<o;i++)t=this._objects[i],-1===r.indexOf(t)?e.push(t):n.push(t);r.length>1&&(this._activeObject._objects=n),e.push.apply(e,n)}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,n){var r,i=n||this.getPointer(t,!0);return r=e.group&&e.group===this._activeObject&&"activeSelection"===e.group.type?this._normalizePointer(e.group,i):{x:i.x,y:i.y},e.containsPoint(r)||e._findTargetCorner(i)},_normalizePointer:function(t,e){var n=t.calcTransformMatrix(),r=i.util.invertTransform(n),o=this.restorePointerVpt(e);return i.util.transformPoint(o,r)},isTargetTransparent:function(t,e,n){if(t.shouldCache()&&t._cacheCanvas&&t!==this._activeObject){var r=this._normalizePointer(t,{x:e,y:n}),o=Math.max(t.cacheTranslationX+r.x*t.zoomX,0),a=Math.max(t.cacheTranslationY+r.y*t.zoomY,0);return i.util.isTransparent(t._cacheContext,Math.round(o),Math.round(a),this.targetFindTolerance)}var s=this.contextCache,u=t.selectionBackgroundColor,c=this.viewportTransform;return t.selectionBackgroundColor="",this.clearContext(s),s.save(),s.transform(c[0],c[1],c[2],c[3],c[4],c[5]),t.render(s),s.restore(),t===this._activeObject&&t._renderControls(s,{hasBorders:!1,transparentCorners:!1},{hasBorders:!1}),t.selectionBackgroundColor=u,i.util.isTransparent(s,e,n,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 n=this.getActiveObjects(),r=this._activeObject;return!e||e&&r&&n.length>1&&-1===n.indexOf(e)&&r!==e&&!this._isSelectionKeyPressed(t)||e&&!e.evented||e&&!e.selectable&&r&&r!==e},_shouldCenterTransform:function(t){if(t){var e,n=this._currentTransform;return"scale"===n.action||"scaleX"===n.action||"scaleY"===n.action?e=this.centeredScaling||t.centeredScaling:"rotate"===n.action&&(e=this.centeredRotation||t.centeredRotation),e?!n.altKey:n.altKey}},_getOriginFromCorner:function(t,e){var n={x:t.originX,y:t.originY};return"ml"===e||"tl"===e||"bl"===e?n.x="right":"mr"!==e&&"tr"!==e&&"br"!==e||(n.x="left"),"tl"===e||"mt"===e||"tr"===e?n.y="bottom":"bl"!==e&&"mb"!==e&&"br"!==e||(n.y="top"),n},_getActionFromCorner:function(t,e,n){if(!e||!t)return"drag";switch(e){case"mtr":return"rotate";case"ml":case"mr":return n[this.altActionKey]?"skewY":"scaleX";case"mt":case"mb":return n[this.altActionKey]?"skewX":"scaleY";default:return"scale"}},_setupCurrentTransform:function(t,n,r){if(n){var o=this.getPointer(t),a=n._findTargetCorner(this.getPointer(t,!0)),s=this._getActionFromCorner(r,a,t,n),u=this._getOriginFromCorner(n,a);this._currentTransform={target:n,action:s,corner:a,scaleX:n.scaleX,scaleY:n.scaleY,skewX:n.skewX,skewY:n.skewY,offsetX:o.x-n.left,offsetY:o.y-n.top,originX:u.x,originY:u.y,ex:o.x,ey:o.y,lastX:o.x,lastY:o.y,theta:e(n.angle),width:n.width*n.scaleX,mouseXSign:1,mouseYSign:1,shiftKey:t.shiftKey,altKey:t[this.centeredKey],original:i.util.saveObjectTransform(n)},this._currentTransform.original.originX=u.x,this._currentTransform.original.originY=u.y,this._resetCurrentTransform(),this._beforeTransform(t)}},_translateObject:function(t,e){var n=this._currentTransform,r=n.target,i=t-n.offsetX,o=e-n.offsetY,a=!r.get("lockMovementX")&&r.left!==i,s=!r.get("lockMovementY")&&r.top!==o;return a&&r.set("left",i),s&&r.set("top",o),a||s},_changeSkewTransformOrigin:function(t,e,n){var r="originX",i={0:"center"},o=e.target.skewX,a="left",s="right",u="mt"===e.corner||"ml"===e.corner?1:-1,c=1;t=t>0?1:-1,"y"===n&&(o=e.target.skewY,a="top",s="bottom",r="originY"),i[-1]=a,i[1]=s,e.target.flipX&&(c*=-1),e.target.flipY&&(c*=-1),0===o?(e.skewSign=-u*t*c,e[r]=i[-t]):(o=o>0?1:-1,e.skewSign=o,e[r]=i[o*u*c])},_skewObject:function(t,e,n){var r,o=this._currentTransform,a=o.target,s=a.get("lockSkewingX"),u=a.get("lockSkewingY");if(s&&"x"===n||u&&"y"===n)return!1;var c,l,h=a.getCenterPoint(),f=a.toLocalPoint(new i.Point(t,e),"center","center")[n],d=a.toLocalPoint(new i.Point(o.lastX,o.lastY),"center","center")[n],p=a._getTransformedDimensions();return this._changeSkewTransformOrigin(f-d,o,n),c=a.toLocalPoint(new i.Point(t,e),o.originX,o.originY)[n],l=a.translateToOriginPoint(h,o.originX,o.originY),r=this._setObjectSkew(c,o,n,p),o.lastX=t,o.lastY=e,a.setPositionByOrigin(l,o.originX,o.originY),r},_setObjectSkew:function(t,e,n,r){var o,a,s,u,c,l,h,f,d,p,v=e.target,y=e.skewSign;return"x"===n?(c="y",l="Y",h="X",d=0,p=v.skewY):(c="x",l="X",h="Y",d=v.skewX,p=0),u=v._getTransformedDimensions(d,p),(f=2*Math.abs(t)-u[n])<=2?o=0:(o=y*Math.atan(f/v["scale"+h]/(u[c]/v["scale"+l])),o=i.util.radiansToDegrees(o)),a=v["skew"+h]!==o,v.set("skew"+h,o),0!==v["skew"+l]&&(s=v._getTransformedDimensions(),o=r[c]/s[c]*v["scale"+l],v.set("scale"+l,o)),a},_scaleObject:function(t,e,n){var r=this._currentTransform,o=r.target,a=o.lockScalingX,s=o.lockScalingY,u=o.lockScalingFlip;if(a&&s)return!1;var c,l=o.translateToOriginPoint(o.getCenterPoint(),r.originX,r.originY),h=o.toLocalPoint(new i.Point(t,e),r.originX,r.originY),f=o._getTransformedDimensions();return this._setLocalMouse(h,r),c=this._setObjectScale(h,r,a,s,n,u,f),o.setPositionByOrigin(l,r.originX,r.originY),c},_setObjectScale:function(t,e,n,r,o,a,s){var u=e.target,c=!1,l=!1,h=!1,f=t.x*u.scaleX/s.x,d=t.y*u.scaleY/s.y,p=u.scaleX!==f,v=u.scaleY!==d;if(e.newScaleX=f,e.newScaleY=d,i.Textbox&&"x"===o&&u instanceof i.Textbox){var y=u.width*(t.x/s.x);return y>=u.getMinWidth()&&(h=y!==u.width,u.set("width",y),h)}return a&&f<=0&&f<u.scaleX&&(c=!0,t.x=0),a&&d<=0&&d<u.scaleY&&(l=!0,t.y=0),"equally"!==o||n||r?o?"x"!==o||u.get("lockUniScaling")?"y"!==o||u.get("lockUniScaling")||l||r||u.set("scaleY",d)&&(h=v):c||n||u.set("scaleX",f)&&(h=p):(c||n||u.set("scaleX",f)&&(h=h||p),l||r||u.set("scaleY",d)&&(h=h||v)):h=this._scaleObjectEqually(t,u,e,s),c||l||this._flipObject(e,o),h},_scaleObjectEqually:function(t,e,n,r){var i,o,a,s=t.y+t.x,u=r.y*n.original.scaleY/e.scaleY+r.x*n.original.scaleX/e.scaleX,c=t.x<0?-1:1,l=t.y<0?-1:1;return o=c*Math.abs(n.original.scaleX*s/u),a=l*Math.abs(n.original.scaleY*s/u),i=o!==e.scaleX||a!==e.scaleY,e.set("scaleX",o),e.set("scaleY",a),i},_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 n=e.target,r=this.getZoom(),i=n.padding/r;"right"===e.originX?t.x*=-1:"center"===e.originX&&(t.x*=2*e.mouseXSign,t.x<0&&(e.mouseXSign=-e.mouseXSign)),"bottom"===e.originY?t.y*=-1:"center"===e.originY&&(t.y*=2*e.mouseYSign,t.y<0&&(e.mouseYSign=-e.mouseYSign)),o(t.x)>i?t.x<0?t.x+=i:t.x-=i:t.x=0,o(t.y)>i?t.y<0?t.y+=i:t.y-=i:t.y=0},_rotateObject:function(t,e){var i=this._currentTransform,o=i.target,a=o.translateToOriginPoint(o.getCenterPoint(),i.originX,i.originY);if(o.lockRotation)return!1;var s=r(i.ey-a.y,i.ex-a.x),u=r(e-a.y,t-a.x),c=n(u-s+i.theta),l=!0;if(o.snapAngle>0){var h=o.snapAngle,f=o.snapThreshold||h,d=Math.ceil(c/h)*h,p=Math.floor(c/h)*h;Math.abs(c-p)<f?c=p:Math.abs(c-d)<f&&(c=d)}return c<0&&(c=360+c),c%=360,o.angle===c?l=!1:(o.angle=c,o.setPositionByOrigin(a,i.originX,i.originY)),l},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_drawSelection:function(t){var e=this._groupSelector,n=e.left,r=e.top,s=o(n),u=o(r);if(this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(e.ex-(n>0?0:-n),e.ey-(r>0?0:-r),s,u)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!a){var c=e.ex+.5-(n>0?0:s),l=e.ey+.5-(r>0?0:u);t.beginPath(),i.util.drawDashedLine(t,c,l,c+s,l,this.selectionDashArray),i.util.drawDashedLine(t,c,l+u-1,c+s,l+u-1,this.selectionDashArray),i.util.drawDashedLine(t,c,l,c,l+u,this.selectionDashArray),i.util.drawDashedLine(t,c+s-1,l,c+s-1,l+u,this.selectionDashArray),t.closePath(),t.stroke()}else i.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+.5-(n>0?0:s),e.ey+.5-(r>0?0:u),s,u)},findTarget:function(t,e){if(!this.skipTargetFind){var n,r,i=this.getPointer(t,!0),o=this._activeObject,a=this.getActiveObjects();if(this.targets=[],a.length>1&&!e&&o===this._searchPossibleTargets([o],i))return o;if(1===a.length&&o._findTargetCorner(i))return o;if(1===a.length&&o===this._searchPossibleTargets([o],i)){if(!this.preserveObjectStacking)return o;n=o,r=this.targets,this.targets=[]}var s=this._searchPossibleTargets(this._objects,i);return t[this.altSelectionKey]&&s&&n&&s!==n&&(s=n,this.targets=r),s}},_checkTarget:function(t,e,n){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;if(!this.isTargetTransparent(e,n.x,n.y))return!0}},_searchPossibleTargets:function(t,e){for(var n,r,o=t.length;o--;){var a=t[o],s=a.group&&"activeSelection"!==a.group.type?this._normalizePointer(a.group,e):e;if(this._checkTarget(s,a,e)){(n=t[o]).subTargetCheck&&n instanceof i.Group&&(r=this._searchPossibleTargets(n._objects,e))&&this.targets.push(r);break}}return n},restorePointerVpt:function(t){return i.util.transformPoint(t,i.util.invertTransform(this.viewportTransform))},getPointer:function(e,n){if(this._absolutePointer&&!n)return this._absolutePointer;if(this._pointer&&n)return this._pointer;var r,i=t(e),o=this.upperCanvasEl,a=o.getBoundingClientRect(),s=a.width||0,u=a.height||0;s&&u||("top"in a&&"bottom"in a&&(u=Math.abs(a.top-a.bottom)),"right"in a&&"left"in a&&(s=Math.abs(a.right-a.left))),this.calcOffset(),i.x=i.x-this._offset.left,i.y=i.y-this._offset.top,n||(i=this.restorePointerVpt(i));var c=this.getRetinaScaling();return 1!==c&&(i.x/=c,i.y/=c),r=0===s||0===u?{width:1,height:1}:{width:o.width/s,height:o.height/u},{x:i.x*r.width,y:i.y*r.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,""),e=this.lowerCanvasEl,n=this.upperCanvasEl;n?n.className="":(n=this._createCanvasElement(),this.upperCanvasEl=n),i.util.addClass(n,"upper-canvas "+t),this.wrapperEl.appendChild(n),this._copyCanvasStyle(e,n),this._applyCanvasStyle(n),this.contextTop=n.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=i.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),i.util.setStyle(this.wrapperEl,{width:this.width+"px",height:this.height+"px",position:"relative"}),i.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.width||t.width,n=this.height||t.height;i.util.setStyle(t,{position:"absolute",width:e+"px",height:n+"px",left:0,top:0,"touch-action":this.allowTouchScrolling?"manipulation":"none","-ms-touch-action":this.allowTouchScrolling?"manipulation":"none"}),t.width=e,t.height=n,i.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 n=!1,r=this.getActiveObjects(),i=[],o=[],a={e:e};t.forEach((function(t){-1===r.indexOf(t)&&(n=!0,t.fire("deselected",a),o.push(t))})),r.forEach((function(e){-1===t.indexOf(e)&&(n=!0,e.fire("selected",a),i.push(e))})),t.length>0&&r.length>0?(a.selected=i,a.deselected=o,a.updated=i[0]||o[0],a.target=this._activeObject,n&&this.fire("selection:updated",a)):r.length>0?(1===r.length&&(a.target=i[0],this.fire("object:selected",a)),a.selected=i,a.target=this._activeObject,this.fire("selection:created",a)):t.length>0&&(a.deselected=o,this.fire("selection:cleared",a))},setActiveObject:function(t,e){var n=this.getActiveObjects();return this._setActiveObject(t,e),this._fireSelectionEvents(n,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 n=this._activeObject;if(n){if(n.onDeselect({e:t,object:e}))return!1;this._activeObject=null}return!0},discardActiveObject:function(t){var e=this.getActiveObjects(),n=this.getActiveObject();return e.length&&this.fire("before:selection:cleared",{target:n,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){i.util.cleanUpJsdomNode(this[t]),this[t]=void 0}.bind(this)),t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,i.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,n){var r=this._realizeGroupTransformOnObject(t),i=this.callSuper("_toObject",t,e,n);return this._unwindGroupTransformOnObject(t,r),i},_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(n){e[n]=t[n]})),this._activeObject.realizeTransform(t),e}return null},_unwindGroupTransformOnObject:function(t,e){e&&t.set(e)},_setSVGObject:function(t,e,n){var r=this._realizeGroupTransformOnObject(e);this.callSuper("_setSVGObject",t,e,n),this._unwindGroupTransformOnObject(e,r)},setViewportTransform:function(t){this.renderOnAddRemove&&this._activeObject&&this._activeObject.isEditing&&this._activeObject.clearContextTop(),i.StaticCanvas.prototype.setViewportTransform.call(this,t)}}),i.StaticCanvas)"prototype"!==s&&(i.Canvas[s]=i.StaticCanvas[s])}(),function(){var t={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},e=i.util.addListener,n=i.util.removeListener,r={passive:!1};function o(t,e){return t.button&&t.button===e-1}i.util.object.extend(i.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 n=this.upperCanvasEl,o=this._getEventPrefix();t(i.window,"resize",this._onResize),t(n,o+"down",this._onMouseDown),t(n,o+"move",this._onMouseMove,r),t(n,o+"out",this._onMouseOut),t(n,o+"enter",this._onMouseEnter),t(n,"wheel",this._onMouseWheel),t(n,"contextmenu",this._onContextMenu),t(n,"dblclick",this._onDoubleClick),t(n,"dragover",this._onDragOver),t(n,"dragenter",this._onDragEnter),t(n,"dragleave",this._onDragLeave),t(n,"drop",this._onDrop),this.enablePointerEvents||t(n,"touchstart",this._onTouchStart,r),"undefined"!==typeof eventjs&&e in eventjs&&(eventjs[e](n,"gesture",this._onGesture),eventjs[e](n,"drag",this._onDrag),eventjs[e](n,"orientation",this._onOrientationChange),eventjs[e](n,"shake",this._onShake),eventjs[e](n,"longpress",this._onLongPress))},removeListeners:function(){this.addOrRemove(n,"remove");var t=this._getEventPrefix();n(i.document,t+"up",this._onMouseUp),n(i.document,"touchend",this._onTouchEnd,r),n(i.document,t+"move",this._onMouseMove,r),n(i.document,"touchmove",this._onMouseMove,r)},_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 n=this;this._hoveredTargets.forEach((function(r){n.fire("mouse:out",{target:e,e:t}),r&&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 o=this.upperCanvasEl,a=this._getEventPrefix();e(i.document,"touchend",this._onTouchEnd,r),e(i.document,"touchmove",this._onMouseMove,r),n(o,a+"down",this._onMouseDown)},_onMouseDown:function(t){this.__onMouseDown(t),this._resetTransformEventData();var o=this.upperCanvasEl,a=this._getEventPrefix();n(o,a+"move",this._onMouseMove,r),e(i.document,a+"up",this._onMouseUp),e(i.document,a+"move",this._onMouseMove,r)},_onTouchEnd:function(t){if(!(t.touches.length>0)){this.__onMouseUp(t),this._resetTransformEventData(),this.mainTouchId=null;var o=this._getEventPrefix();n(i.document,"touchend",this._onTouchEnd,r),n(i.document,"touchmove",this._onMouseMove,r);var a=this;this._willAddMouseDown&&clearTimeout(this._willAddMouseDown),this._willAddMouseDown=setTimeout((function(){e(a.upperCanvasEl,o+"down",a._onMouseDown),a._willAddMouseDown=0}),400)}},_onMouseUp:function(t){this.__onMouseUp(t),this._resetTransformEventData();var o=this.upperCanvasEl,a=this._getEventPrefix();this._isMainEvent(t)&&(n(i.document,a+"up",this._onMouseUp),n(i.document,a+"move",this._onMouseMove,r),e(o,a+"move",this._onMouseMove,r))},_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,n=this._currentTransform,r=this._groupSelector,i=!1,a=!r||0===r.left&&0===r.top;if(this._cacheTransformEventData(t),e=this._target,this._handleEvent(t,"up:before"),!o(t,3))return o(t,2)?(this.fireMiddleClick&&this._handleEvent(t,"up",2,a),void this._resetTransformEventData()):void(this.isDrawingMode&&this._isCurrentlyDrawing?this._onMouseUpInDrawingMode(t):this._isMainEvent(t)&&(n&&(this._finalizeCurrentTransform(t),i=n.actionPerformed),a||(this._maybeGroupObjects(t),i||(i=this._shouldRender(e))),e&&(e.isMoving=!1),this._setCursorFromEvent(t,e),this._handleEvent(t,"up",1,a),this._groupSelector=null,this._currentTransform=null,e&&(e.__corner=0),i?this.requestRenderAll():a||this.renderTop()));this.fireRightClick&&this._handleEvent(t,"up",3,a)},_simpleEventHandler:function(t,e){var n=this.findTarget(e),r=this.targets,i={e:e,target:n,subTargets:r};if(this.fire(t,i),n&&n.fire(t,i),!r)return n;for(var o=0;o<r.length;o++)r[o].fire(t,i);return n},_handleEvent:function(t,e,n,r){var i=this._target,o=this.targets||[],a={e:t,target:i,subTargets:o,button:n||1,isClick:r||!1,pointer:this._pointer,absolutePointer:this._absolutePointer,transform:this._currentTransform};this.fire("mouse:"+e,a),i&&i.fire("mouse"+e,a);for(var s=0;s<o.length;s++)o[s].fire("mouse"+e,a)},_finalizeCurrentTransform:function(t){var e,n=this._currentTransform,r=n.target,i={e:t,target:r,transform:n};r._scaling&&(r._scaling=!1),r.setCoords(),(n.actionPerformed||this.stateful&&r.hasStateChanged())&&(n.actionPerformed&&(e=this._addEventOptions(i,n),this._fire(e,i)),this._fire("modified",i))},_addEventOptions:function(t,e){var n,r;switch(e.action){case"scaleX":n="scaled",r="x";break;case"scaleY":n="scaled",r="y";break;case"skewX":n="skewed",r="x";break;case"skewY":n="skewed",r="y";break;case"scale":n="scaled",r="equally";break;case"rotate":n="rotated";break;case"drag":n="moved"}return t.by=r,n},_onMouseDownInDrawingMode:function(t){this._isCurrentlyDrawing=!0,this.getActiveObject()&&this.discardActiveObject(t).requestRenderAll(),this.clipTo&&i.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(o(t,3))this.fireRightClick&&this._handleEvent(t,"down",3);else if(o(t,2))this.fireMiddleClick&&this._handleEvent(t,"down",2);else if(this.isDrawingMode)this._onMouseDownInDrawingMode(t);else if(this._isMainEvent(t)&&!this._currentTransform){var n=this._pointer;this._previousPointer=n;var r=this._shouldRender(e),i=this._shouldGroup(t,e);if(this._shouldClearSelection(t,e)?this.discardActiveObject(t):i&&(this._handleGrouping(t,e),e=this._activeObject),!this.selection||e&&(e.selectable||e.isEditing||e===this._activeObject)||(this._groupSelector={ex:n.x,ey:n.y,top:0,left:0}),e){var a=e===this._activeObject;e.selectable&&this.setActiveObject(e,t),e!==this._activeObject||!e.__corner&&i||this._setupCurrentTransform(t,e,a)}this._handleEvent(t,"down"),(r||i)&&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,n;if(this._handleEvent(t,"move:before"),this._cacheTransformEventData(t),this.isDrawingMode)this._onMouseMoveInDrawingMode(t);else if(this._isMainEvent(t)){var r=this._groupSelector;r?(n=this._pointer,r.left=n.x-r.ex,r.top=n.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t)||null,this._setCursorFromEvent(t,e),this._fireOverOutEvents(e,t)),this._handleEvent(t,"move"),this._resetTransformEventData()}},_fireOverOutEvents:function(t,e){var n=this._hoveredTarget,r=this._hoveredTargets,i=this.targets,o=Math.max(r.length,i.length);this.fireSyntheticInOutEvents(t,e,{oldTarget:n,evtOut:"mouseout",canvasEvtOut:"mouse:out",evtIn:"mouseover",canvasEvtIn:"mouse:over"});for(var a=0;a<o;a++)this.fireSyntheticInOutEvents(i[a],e,{oldTarget:r[a],evtOut:"mouseout",evtIn:"mouseover"});this._hoveredTarget=t,this._hoveredTargets=this.targets.concat()},_fireEnterLeaveEvents:function(t,e){var n=this._draggedoverTarget,r=this._hoveredTargets,i=this.targets,o=Math.max(r.length,i.length);this.fireSyntheticInOutEvents(t,e,{oldTarget:n,evtOut:"dragleave",evtIn:"dragenter"});for(var a=0;a<o;a++)this.fireSyntheticInOutEvents(i[a],e,{oldTarget:r[a],evtOut:"dragleave",evtIn:"dragenter"});this._draggedoverTarget=t},fireSyntheticInOutEvents:function(t,e,n){var r,i,o,a=n.oldTarget,s=a!==t,u=n.canvasEvtIn,c=n.canvasEvtOut;s&&(r={e:e,target:t,previousTarget:a},i={e:e,target:a,nextTarget:t}),o=t&&s,a&&s&&(c&&this.fire(c,i),a.fire(n.evtOut,i)),o&&(u&&this.fire(u,r),t.fire(n.evtIn,r))},__onMouseWheel:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"wheel"),this._resetTransformEventData()},_transformObject:function(t){var e=this.getPointer(t),n=this._currentTransform;n.reset=!1,n.target.isMoving=!0,n.shiftKey=t.shiftKey,n.altKey=t[this.centeredKey],this._beforeScaleTransform(t,n),this._performTransformAction(t,n,e),n.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(t,e,n){var r=n.x,i=n.y,o=e.action,a=!1,s={target:e.target,e:t,transform:e,pointer:n};"rotate"===o?(a=this._rotateObject(r,i))&&this._fire("rotating",s):"scale"===o?(a=this._onScale(t,e,r,i))&&this._fire("scaling",s):"scaleX"===o?(a=this._scaleObject(r,i,"x"))&&this._fire("scaling",s):"scaleY"===o?(a=this._scaleObject(r,i,"y"))&&this._fire("scaling",s):"skewX"===o?(a=this._skewObject(r,i,"x"))&&this._fire("skewing",s):"skewY"===o?(a=this._skewObject(r,i,"y"))&&this._fire("skewing",s):(a=this._translateObject(r,i))&&(this._fire("moving",s),this.setCursor(s.target.moveCursor||this.moveCursor)),e.actionPerformed=e.actionPerformed||a},_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 n=this._shouldCenterTransform(e.target);(n&&("center"!==e.originX||"center"!==e.originY)||!n&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,n,r){return this._isUniscalePossible(t,e.target)?(e.currentAction="scale",this._scaleObject(n,r)):(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(n,r,"equally"))},_isUniscalePossible:function(t,e){return(t[this.uniScaleKey]||this.uniScaleTransform)&&!e.get("lockUniScaling")},_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var n=e.hoverCursor||this.hoverCursor,r=this._activeObject&&"activeSelection"===this._activeObject.type?this._activeObject:null,i=(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));i?this.setCursor(this.getCornerCursor(i,e,t)):(e.subTargetCheck&&this.targets.concat().reverse().map((function(t){n=t.hoverCursor||n})),this.setCursor(n))},getCornerCursor:function(e,n,r){return this.actionIsDisabled(e,n,r)?this.notAllowedCursor:e in t?this._getRotatedCornerCursor(e,n,r):"mtr"===e&&n.hasRotatingPoint?this.rotationCursor:this.defaultCursor},actionIsDisabled:function(t,e,n){return"mt"===t||"mb"===t?n[this.altActionKey]?e.lockSkewingX:e.lockScalingY:"ml"===t||"mr"===t?n[this.altActionKey]?e.lockSkewingY:e.lockScalingX:"mtr"===t?e.lockRotation:this._isUniscalePossible(n,e)?e.lockScalingX&&e.lockScalingY:e.lockScalingX||e.lockScalingY},_getRotatedCornerCursor:function(e,n,r){var i=Math.round(n.angle%360/45);return i<0&&(i+=8),i+=t[e],r[this.altActionKey]&&t[e]%2===0&&(i+=2),i%=8,this.cursorMap[i]}})}(),function(){var t=Math.min,e=Math.max;i.util.object.extend(i.Canvas.prototype,{_shouldGroup:function(t,e){var n=this._activeObject;return n&&this._isSelectionKeyPressed(t)&&e&&e.selectable&&this.selection&&(n!==e||"activeSelection"===n.type)&&!e.onSelect({e:t})},_handleGrouping:function(t,e){var n=this._activeObject;n.__corner||(e!==n||(e=this.findTarget(t,!0))&&e.selectable)&&(n&&"activeSelection"===n.type?this._updateActiveSelection(e,t):this._createActiveSelection(e,t))},_updateActiveSelection:function(t,e){var n=this._activeObject,r=n._objects.slice(0);n.contains(t)?(n.removeWithUpdate(t),this._hoveredTarget=t,this._hoveredTargets=this.targets.concat(),1===n.size()&&this._setActiveObject(n.item(0),e)):(n.addWithUpdate(t),this._hoveredTarget=n,this._hoveredTargets=this.targets.concat()),this._fireSelectionEvents(r,e)},_createActiveSelection:function(t,e){var n=this.getActiveObjects(),r=this._createGroup(t);this._hoveredTarget=r,this._setActiveObject(r,e),this._fireSelectionEvents(n,e)},_createGroup:function(t){var e=this._objects,n=e.indexOf(this._activeObject)<e.indexOf(t)?[this._activeObject,t]:[t,this._activeObject];return this._activeObject.isEditing&&this._activeObject.exitEditing(),new i.ActiveSelection(n,{canvas:this})},_groupSelectedObjects:function(t){var e,n=this._collectObjects(t);1===n.length?this.setActiveObject(n[0],t):n.length>1&&(e=new i.ActiveSelection(n.reverse(),{canvas:this}),this.setActiveObject(e,t))},_collectObjects:function(n){for(var r,o=[],a=this._groupSelector.ex,s=this._groupSelector.ey,u=a+this._groupSelector.left,c=s+this._groupSelector.top,l=new i.Point(t(a,u),t(s,c)),h=new i.Point(e(a,u),e(s,c)),f=!this.selectionFullyContained,d=a===u&&s===c,p=this._objects.length;p--&&!((r=this._objects[p])&&r.selectable&&r.visible&&(f&&r.intersectsWithRect(l,h)||r.isContainedWithinRect(l,h)||f&&r.containsPoint(l)||f&&r.containsPoint(h))&&(o.push(r),d)););return o.length>1&&(o=o.filter((function(t){return!t.onSelect({e:n})}))),o},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t),this.setCursor(this.defaultCursor),this._groupSelector=null}})}(),i.util.object.extend(i.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",n=t.quality||1,r=(t.multiplier||1)*(t.enableRetinaScaling?this.getRetinaScaling():1),o=this.toCanvasElement(r,t);return i.util.toDataURL(o,e,n)},toCanvasElement:function(t,e){t=t||1;var n=((e=e||{}).width||this.width)*t,r=(e.height||this.height)*t,o=this.getZoom(),a=this.width,s=this.height,u=o*t,c=this.viewportTransform,l=(c[4]-(e.left||0))*t,h=(c[5]-(e.top||0))*t,f=this.interactive,d=[u,0,0,u,l,h],p=this.enableRetinaScaling,v=i.util.createCanvasElement(),y=this.contextTop;return v.width=n,v.height=r,this.contextTop=null,this.enableRetinaScaling=!1,this.interactive=!1,this.viewportTransform=d,this.width=n,this.height=r,this.calcViewportBoundaries(),this.renderCanvas(v.getContext("2d"),this._objects),this.viewportTransform=c,this.width=a,this.height=s,this.calcViewportBoundaries(),this.interactive=f,this.enableRetinaScaling=p,this.contextTop=y,v}}),i.util.object.extend(i.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,n){return this.loadFromJSON(t,e,n)},loadFromJSON:function(t,e,n){if(t){var r="string"===typeof t?JSON.parse(t):i.util.object.clone(t),o=this,a=r.clipPath,s=this.renderOnAddRemove;return this.renderOnAddRemove=!1,delete r.clipPath,this._enlivenObjects(r.objects,(function(t){o.clear(),o._setBgOverlay(r,(function(){a?o._enlivenObjects([a],(function(n){o.clipPath=n[0],o.__setupCanvas.call(o,r,t,s,e)})):o.__setupCanvas.call(o,r,t,s,e)}))}),n),this}},__setupCanvas:function(t,e,n,r){var i=this;e.forEach((function(t,e){i.insertAt(t,e)})),this.renderOnAddRemove=n,delete t.objects,delete t.backgroundImage,delete t.overlayImage,delete t.background,delete t.overlay,this._setOptions(t),this.renderAll(),r&&r()},_setBgOverlay:function(t,e){var n={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(t.backgroundImage||t.overlayImage||t.background||t.overlay){var r=function(){n.backgroundImage&&n.overlayImage&&n.backgroundColor&&n.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,n,r),this.__setBgOverlay("overlayImage",t.overlayImage,n,r),this.__setBgOverlay("backgroundColor",t.background,n,r),this.__setBgOverlay("overlayColor",t.overlay,n,r)}else e&&e()},__setBgOverlay:function(t,e,n,r){var o=this;if(!e)return n[t]=!0,void(r&&r());"backgroundImage"===t||"overlayImage"===t?i.util.enlivenObjects([e],(function(e){o[t]=e[0],n[t]=!0,r&&r()})):this["set"+i.util.string.capitalize(t,!0)](e,(function(){n[t]=!0,r&&r()}))},_enlivenObjects:function(t,e,n){t&&0!==t.length?i.util.enlivenObjects(t,(function(t){e&&e(t)}),null,n):e&&e([])},_toDataURL:function(t,e){this.clone((function(n){e(n.toDataURL(t))}))},_toDataURLWithMultiplier:function(t,e,n){this.clone((function(r){n(r.toDataURLWithMultiplier(t,e))}))},clone:function(t,e){var n=JSON.stringify(this.toJSON(e));this.cloneWithoutData((function(e){e.loadFromJSON(n,(function(){t&&t(e)}))}))},cloneWithoutData:function(t){var e=i.util.createCanvasElement();e.width=this.width,e.height=this.height;var n=new i.Canvas(e);n.clipTo=this.clipTo,this.backgroundImage?(n.setBackgroundImage(this.backgroundImage.src,(function(){n.renderAll(),t&&t(n)})),n.backgroundImageOpacity=this.backgroundImageOpacity,n.backgroundImageStretch=this.backgroundImageStretch):t&&t(n)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),n=e.util.object.extend,r=e.util.object.clone,i=e.util.toFixed,o=e.util.string.capitalize,a=e.util.degreesToRadians,s=e.StaticCanvas.supports("setLineDash"),u=!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:u,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 n=e.perfLimitSizeTotal,r=t.width,i=t.height,o=e.maxCacheSideLimit,a=e.minCacheSideLimit;if(r<=o&&i<=o&&r*i<=n)return r<a&&(t.width=a),i<a&&(t.height=a),t;var s=r/i,u=e.util.limitDimsByArea(s,n),c=e.util.capValue,l=c(a,u.x,o),h=c(a,u.y,o);return r>l&&(t.zoomX/=r/l,t.width=l,t.capped=!0),i>h&&(t.zoomY/=i/h,t.height=h,t.capped=!0),t},_getCacheCanvasDimensions:function(){var t=this.getTotalObjectScaling(),e=this._getTransformedDimensions(0,0),n=e.x*t.scaleX/this.scaleX,r=e.y*t.scaleY/this.scaleY;return{width:n+2,height:r+2,zoomX:t.scaleX,zoomY:t.scaleY,x:n,y:r}},_updateCacheCanvas:function(){var t=this.canvas;if(this.noScaleCache&&t&&t._currentTransform){var n=t._currentTransform.target,r=t._currentTransform.action;if(this===n&&r.slice&&"scale"===r.slice(0,5))return!1}var i,o,a=this._cacheCanvas,s=this._limitCacheSize(this._getCacheCanvasDimensions()),u=e.minCacheSideLimit,c=s.width,l=s.height,h=s.zoomX,f=s.zoomY,d=c!==this.cacheWidth||l!==this.cacheHeight,p=this.zoomX!==h||this.zoomY!==f,v=d||p,y=0,g=0,m=!1;if(d){var b=this._cacheCanvas.width,_=this._cacheCanvas.height,w=c>b||l>_;m=w||(c<.9*b||l<.9*_)&&b>u&&_>u,w&&!s.capped&&(c>u||l>u)&&(y=.1*c,g=.1*l)}return!!v&&(m?(a.width=Math.ceil(c+y),a.height=Math.ceil(l+g)):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,a.width,a.height)),i=s.x/2,o=s.y/2,this.cacheTranslationX=Math.round(a.width/2-i)+i,this.cacheTranslationY=Math.round(a.height/2-o)+o,this.cacheWidth=c,this.cacheHeight=l,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(h,f),this.zoomX=h,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 n=e.Object.NUM_FRACTION_DIGITS,r={type:this.type,version:e.version,originX:this.originX,originY:this.originY,left:i(this.left,n),top:i(this.top,n),width:i(this.width,n),height:i(this.height,n),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:i(this.strokeWidth,n),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeDashOffset:this.strokeDashOffset,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:i(this.strokeMiterLimit,n),scaleX:i(this.scaleX,n),scaleY:i(this.scaleY,n),angle:i(this.angle,n),flipX:this.flipX,flipY:this.flipY,opacity:i(this.opacity,n),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:i(this.skewX,n),skewY:i(this.skewY,n)};return this.clipPath&&(r.clipPath=this.clipPath.toObject(t),r.clipPath.inverted=this.clipPath.inverted,r.clipPath.absolutePositioned=this.clipPath.absolutePositioned),e.util.populateWithProperties(this,r,t),this.includeDefaultValues||(r=this._removeDefaultValues(r)),r},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var n=e.util.getKlass(t.type).prototype;return n.stateProperties.forEach((function(e){"left"!==e&&"top"!==e&&(t[e]===n[e]&&delete t[e],"[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(n[e])&&0===t[e].length&&0===n[e].length&&delete t[e])})),t},toString:function(){return"#<fabric."+o(this.type)+">"},getObjectScaling:function(){var t=e.util.qrDecompose(this.calcTransformMatrix());return{scaleX:Math.abs(t.scaleX),scaleY:Math.abs(t.scaleY)}},getTotalObjectScaling:function(){var t=this.getObjectScaling(),e=t.scaleX,n=t.scaleY;if(this.canvas){var r=this.canvas.getZoom(),i=this.canvas.getRetinaScaling();e*=r*i,n*=r*i}return{scaleX:e,scaleY:n}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,n){var r="scaleX"===t||"scaleY"===t,i=this[t]!==n,o=!1;return r&&(n=this._constrainScale(n)),"scaleX"===t&&n<0?(this.flipX=!this.flipX,n*=-1):"scaleY"===t&&n<0?(this.flipY=!this.flipY,n*=-1):"shadow"!==t||!n||n instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",n):n=new e.Shadow(n),this[t]=n,i&&(o=this.group&&this.group.isOnACache(),this.cacheProperties.indexOf(t)>-1?(this.dirty=!0,o&&this.group.set("dirty",!0)):o&&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 n=this.clipPath;if(t.save(),n.inverted?t.globalCompositeOperation="destination-out":t.globalCompositeOperation="destination-in",n.absolutePositioned){var r=e.util.invertTransform(this.calcTransformMatrix());t.transform(r[0],r[1],r[2],r[3],r[4],r[5])}n.transform(t),t.scale(1/n.zoomX,1/n.zoomY),t.drawImage(n._cacheCanvas,-n.cacheTranslationX,-n.cacheTranslationY),t.restore()},drawObject:function(t,e){var n=this.fill,r=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=n,this.stroke=r},_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,n=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-n/2,e,n)}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,n){e&&0!==e.length&&(1&e.length&&e.push.apply(e,e),s?t.setLineDash(e):n&&n(t))},_renderControls:function(t,n){var r,i,o,s=this.getViewportTransform(),u=this.calcTransformMatrix();i="undefined"!==typeof(n=n||{}).hasBorders?n.hasBorders:this.hasBorders,o="undefined"!==typeof n.hasControls?n.hasControls:this.hasControls,u=e.util.multiplyTransformMatrices(s,u),r=e.util.qrDecompose(u),t.save(),t.translate(r.translateX,r.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),n.forActiveSelection?(t.rotate(a(r.angle)),i&&this.drawBordersInGroup(t,r,n)):(t.rotate(a(this.angle)),i&&this.drawBorders(t,n)),o&&this.drawControls(t,n),t.restore()},_setShadow:function(t){if(this.shadow){var n,r=this.shadow,i=this.canvas,o=i&&i.viewportTransform[0]||1,a=i&&i.viewportTransform[3]||1;n=r.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),i&&i._isRetinaScaling()&&(o*=e.devicePixelRatio,a*=e.devicePixelRatio),t.shadowColor=r.color,t.shadowBlur=r.blur*e.browserShadowBlurConstant*(o+a)*(n.scaleX+n.scaleY)/4,t.shadowOffsetX=r.offsetX*o*n.scaleX,t.shadowOffsetY=r.offsetY*a*n.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(!e||!e.toLive)return{offsetX:0,offsetY:0};var n=e.gradientTransform||e.patternTransform,r=-this.width/2+e.offsetX||0,i=-this.height/2+e.offsetY||0;return"percentage"===e.gradientUnits?t.transform(this.width,0,0,this.height,r,i):t.transform(1,0,0,1,r,i),n&&t.transform(n[0],n[1],n[2],n[3],n[4],n[5]),{offsetX:r,offsetY:i}},_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){if(this.stroke&&0!==this.strokeWidth){if(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this.strokeUniform&&this.group){var e=this.getObjectScaling();t.scale(1/e.scaleX,1/e.scaleY)}else 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,n){var r,i=this._limitCacheSize(this._getCacheCanvasDimensions()),o=e.util.createCanvasElement(),a=this.canvas.getRetinaScaling(),s=i.x/this.scaleX/a,u=i.y/this.scaleY/a;o.width=s,o.height=u,(r=o.getContext("2d")).beginPath(),r.moveTo(0,0),r.lineTo(s,0),r.lineTo(s,u),r.lineTo(0,u),r.closePath(),r.translate(s/2,u/2),r.scale(i.zoomX/this.scaleX/a,i.zoomY/this.scaleY/a),this._applyPatternGradientTransform(r,n),r.fillStyle=n.toLive(t),r.fill(),t.translate(-this.width/2-this.strokeWidth/2,-this.height/2-this.strokeWidth/2),t.scale(a*this.scaleX/i.zoomX,a*this.scaleY/i.zoomY),t.strokeStyle=r.createPattern(o,"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 n=this._findCenterFromElement();this.transformMatrix&&(this._assignTransformMatrixProps(),n=e.util.transformPoint(n,this.transformMatrix)),this.transformMatrix=null,t&&(this.scaleX*=t.scaleX,this.scaleY*=t.scaleY,this.cropX=t.cropX,this.cropY=t.cropY,n.x+=t.offsetLeft,n.y+=t.offsetTop,this.width=t.width,this.height=t.height),this.setPositionByOrigin(n,"center","center")},clone:function(t,n){var r=this.toObject(n);this.constructor.fromObject?this.constructor.fromObject(r,t):e.Object._fromObject("Object",r,t)},cloneAsImage:function(t,n){var r=this.toCanvasElement(n);return t&&t(new e.Image(r)),this},toCanvasElement:function(t){t||(t={});var n=e.util,r=n.saveObjectTransform(this),i=this.group,o=this.shadow,a=Math.abs,s=(t.multiplier||1)*(t.enableRetinaScaling?e.devicePixelRatio:1);delete this.group,t.withoutTransform&&n.resetObjectTransform(this),t.withoutShadow&&(this.shadow=null);var u,c,l,h,f=e.util.createCanvasElement(),d=this.getBoundingRect(!0,!0),p=this.shadow,v={x:0,y:0};p&&(c=p.blur,u=p.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),v.x=2*Math.round(a(p.offsetX)+c)*a(u.scaleX),v.y=2*Math.round(a(p.offsetY)+c)*a(u.scaleY)),l=d.width+v.x,h=d.height+v.y,f.width=Math.ceil(l),f.height=Math.ceil(h);var y=new e.StaticCanvas(f,{enableRetinaScaling:!1,renderOnAddRemove:!1,skipOffscreen:!1});"jpeg"===t.format&&(y.backgroundColor="#fff"),this.setPositionByOrigin(new e.Point(y.width/2,y.height/2),"center","center");var g=this.canvas;y.add(this);var m=y.toCanvasElement(s||1,t);return this.shadow=o,this.set("canvas",g),i&&(this.group=i),this.set(r).setCoords(),y._objects=[],y.dispose(),y=null,m},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,n){n||(n={});var r={colorStops:[]};return r.type=n.type||(n.r1||n.r2?"radial":"linear"),r.coords={x1:n.x1,y1:n.y1,x2:n.x2,y2:n.y2},r.gradientUnits=n.gradientUnits||"pixels",(n.r1||n.r2)&&(r.coords.r1=n.r1,r.coords.r2=n.r2),r.gradientTransform=n.gradientTransform,e.Gradient.prototype.addColorStop.call(r,n.colorStops),this.set(t,e.Gradient.forObject(this,r))},setPatternFill:function(t,n){return this.set("fill",new e.Pattern(t,n))},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,n){n=n||this.canvas.getPointer(t);var r=new e.Point(n.x,n.y),i=this._getLeftTopCoords();return this.angle&&(r=e.util.rotatePoint(r,i,a(-this.angle))),{x:r.x-i.x,y:r.y-i.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),e.util.createAccessors&&e.util.createAccessors(e.Object),n(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object._fromObject=function(t,n,i,o){var a=e[t];n=r(n,!0),e.util.enlivenPatterns([n.fill,n.stroke],(function(t){"undefined"!==typeof t[0]&&(n.fill=t[0]),"undefined"!==typeof t[1]&&(n.stroke=t[1]),e.util.enlivenObjects([n.clipPath],(function(t){n.clipPath=t[0];var e=o?new a(n[o],n):new a(n);i&&i(e)}))}))},e.Object.__uid=0)}(e),function(){var t=i.util.degreesToRadians,e={left:-.5,center:0,right:.5},n={top:-.5,center:0,bottom:.5};i.util.object.extend(i.Object.prototype,{translateToGivenOrigin:function(t,r,o,a,s){var u,c,l,h=t.x,f=t.y;return"string"===typeof r?r=e[r]:r-=.5,"string"===typeof a?a=e[a]:a-=.5,"string"===typeof o?o=n[o]:o-=.5,"string"===typeof s?s=n[s]:s-=.5,c=s-o,((u=a-r)||c)&&(l=this._getTransformedDimensions(),h=t.x+u*l.x,f=t.y+c*l.y),new i.Point(h,f)},translateToCenterPoint:function(e,n,r){var o=this.translateToGivenOrigin(e,n,r,"center","center");return this.angle?i.util.rotatePoint(o,e,t(this.angle)):o},translateToOriginPoint:function(e,n,r){var o=this.translateToGivenOrigin(e,"center","center",n,r);return this.angle?i.util.rotatePoint(o,e,t(this.angle)):o},getCenterPoint:function(){var t=new i.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var n=this.getCenterPoint();return this.translateToOriginPoint(n,t,e)},toLocalPoint:function(e,n,r){var o,a,s=this.getCenterPoint();return o="undefined"!==typeof n&&"undefined"!==typeof r?this.translateToGivenOrigin(s,"center","center",n,r):new i.Point(this.left,this.top),a=new i.Point(e.x,e.y),this.angle&&(a=i.util.rotatePoint(a,s,-t(this.angle))),a.subtractEquals(o)},setPositionByOrigin:function(t,e,n){var r=this.translateToCenterPoint(t,e,n),i=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",i.x),this.set("top",i.y)},adjustPosition:function(n){var r,o,a=t(this.angle),s=this.getScaledWidth(),u=i.util.cos(a)*s,c=i.util.sin(a)*s;r="string"===typeof this.originX?e[this.originX]:this.originX-.5,o="string"===typeof n?e[n]:n-.5,this.left+=u*(o-r),this.top+=c*(o-r),this.setCoords(),this.originX=n},_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=i.util.degreesToRadians,e=i.util.multiplyTransformMatrices,n=i.util.transformPoint;i.util.object.extend(i.Object.prototype,{oCoords:null,aCoords:null,ownMatrixCache:null,matrixCache:null,getCoords:function(t,e){this.oCoords||this.setCoords();var n=t?this.aCoords:this.oCoords;return function(t){return[new i.Point(t.tl.x,t.tl.y),new i.Point(t.tr.x,t.tr.y),new i.Point(t.br.x,t.br.y),new i.Point(t.bl.x,t.bl.y)]}(e?this.calcCoords(t):n)},intersectsWithRect:function(t,e,n,r){var o=this.getCoords(n,r);return"Intersection"===i.Intersection.intersectPolygonRectangle(o,t,e).status},intersectsWithObject:function(t,e,n){return"Intersection"===i.Intersection.intersectPolygonPolygon(this.getCoords(e,n),t.getCoords(e,n)).status||t.isContainedWithinObject(this,e,n)||this.isContainedWithinObject(t,e,n)},isContainedWithinObject:function(t,e,n){for(var r=this.getCoords(e,n),i=0,o=t._getImageLines(n?t.calcCoords(e):e?t.aCoords:t.oCoords);i<4;i++)if(!t.containsPoint(r[i],o))return!1;return!0},isContainedWithinRect:function(t,e,n,r){var i=this.getBoundingRect(n,r);return i.left>=t.x&&i.left+i.width<=e.x&&i.top>=t.y&&i.top+i.height<=e.y},containsPoint:function(t,e,n,r){e=e||this._getImageLines(r?this.calcCoords(n):n?this.aCoords:this.oCoords);var i=this._findCrossPoints(t,e);return 0!==i&&i%2===1},isOnScreen:function(t){if(!this.canvas)return!1;for(var e,n=this.canvas.vptCoords.tl,r=this.canvas.vptCoords.br,i=this.getCoords(!0,t),o=0;o<4;o++)if((e=i[o]).x<=r.x&&e.x>=n.x&&e.y<=r.y&&e.y>=n.y)return!0;return!!this.intersectsWithRect(n,r,!0,t)||this._containsCenterOfCanvas(n,r,t)},_containsCenterOfCanvas:function(t,e,n){var r={x:(t.x+e.x)/2,y:(t.y+e.y)/2};return!!this.containsPoint(r,null,!0,n)},isPartiallyOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,n=this.canvas.vptCoords.br;return!!this.intersectsWithRect(e,n,!0,t)||this._containsCenterOfCanvas(e,n,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 n,r,i,o=0;for(var a in e)if(!((i=e[a]).o.y<t.y&&i.d.y<t.y)&&!(i.o.y>=t.y&&i.d.y>=t.y)&&(i.o.x===i.d.x&&i.o.x>=t.x?r=i.o.x:(0,n=(i.d.y-i.o.y)/(i.d.x-i.o.x),r=-(t.y-0*t.x-(i.o.y-n*i.o.x))/(0-n)),r>=t.x&&(o+=1),2===o))break;return o},getBoundingRect:function(t,e){var n=this.getCoords(t,e);return i.util.makeBoundingBoxFromPoints(n)},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 n=this.getBoundingRect(e).width/this.getScaledWidth();return this.scale(t/this.width/n)},scaleToHeight:function(t,e){var n=this.getBoundingRect(e).height/this.getScaledHeight();return this.scale(t/this.height/n)},calcCoords:function(r){var o=this._calcRotateMatrix(),a=this._calcTranslateMatrix(),s=e(a,o),u=this.getViewportTransform(),c=r?s:e(u,s),l=this._getTransformedDimensions(),h=l.x/2,f=l.y/2,d=n({x:-h,y:-f},c),p=n({x:h,y:-f},c),v=n({x:-h,y:f},c),y=n({x:h,y:f},c);if(!r){var g=this.padding,m=t(this.angle),b=i.util.cos(m),_=i.util.sin(m),w=b*g,k=_*g,x=w+k,S=w-k;g&&(d.x-=S,d.y-=x,p.x+=x,p.y-=S,v.x-=x,v.y+=S,y.x+=S,y.y+=x);var T=new i.Point((d.x+v.x)/2,(d.y+v.y)/2),C=new i.Point((p.x+d.x)/2,(p.y+d.y)/2),O=new i.Point((y.x+p.x)/2,(y.y+p.y)/2),E=new i.Point((y.x+v.x)/2,(y.y+v.y)/2),I=new i.Point(C.x+_*this.rotatingPointOffset,C.y-b*this.rotatingPointOffset)}var A={tl:d,tr:p,br:y,bl:v};return r||(A.ml=T,A.mt=C,A.mr=O,A.mb=E,A.mtr=I),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 i.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 n=this.transformMatrixKey(),r=this.matrixCache||(this.matrixCache={});if(r.key===n)return r.value;var i=this.calcOwnMatrix();return this.group&&(i=e(this.group.calcTransformMatrix(),i)),r.key=n,r.value=i,i},calcOwnMatrix:function(){var t=this.transformMatrixKey(!0),e=this.ownMatrixCache||(this.ownMatrixCache={});if(e.key===t)return e.value;var n=this._calcTranslateMatrix();return this.translateX=n[4],this.translateY=n[5],e.key=t,e.value=i.util.composeMatrix(this),e.value},_calcDimensionsTransformMatrix:function(t,e,n){return i.util.calcDimensionsMatrix({skewX:t,skewY:e,scaleX:this.scaleX*(n&&this.flipX?-1:1),scaleY:this.scaleY*(n&&this.flipY?-1:1)})},_getNonTransformedDimensions:function(){var t=this.strokeWidth;return{x:this.width+t,y:this.height+t}},_getTransformedDimensions:function(t,e){"undefined"===typeof t&&(t=this.skewX),"undefined"===typeof e&&(e=this.skewY);var n,r,o=this._getNonTransformedDimensions(),a=0===t&&0===e;if(this.strokeUniform?(n=this.width,r=this.height):(n=o.x,r=o.y),a)return this._finalizeDimensions(n*this.scaleX,r*this.scaleY);var s=[{x:-(n/=2),y:-(r/=2)},{x:n,y:-r},{x:-n,y:r},{x:n,y:r}],u=i.util.calcDimensionsMatrix({scaleX:this.scaleX,scaleY:this.scaleY,skewX:t,skewY:e}),c=i.util.makeBoundingBoxFromPoints(s,u);return this._finalizeDimensions(c.width,c.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 i.util.transformPoint(e,t,!0).scalarAdd(2*this.padding)}})}(),i.util.object.extend(i.Object.prototype,{sendToBack:function(){return this.group?i.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas&&this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?i.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas&&this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?i.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas&&this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?i.StaticCanvas.prototype.bringForward.call(this.group,this,t):this.canvas&&this.canvas.bringForward(this,t),this},moveTo:function(t){return this.group&&"activeSelection"!==this.group.type?i.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas&&this.canvas.moveTo(this,t),this}}),function(){function t(t,e){if(e){if(e.toLive)return t+": url(#SVGID_"+e.id+"); ";var n=new i.Color(e),r=t+": "+n.toRgb()+"; ",o=n.getAlpha();return 1!==o&&(r+=t+"-opacity: "+o.toString()+"; "),r}return t+": none; "}var e=i.util.toFixed;i.util.object.extend(i.Object.prototype,{getSvgStyles:function(e){var n=this.fillRule?this.fillRule:"nonzero",r=this.strokeWidth?this.strokeWidth:"0",i=this.strokeDashArray?this.strokeDashArray.join(" "):"none",o=this.strokeDashOffset?this.strokeDashOffset:"0",a=this.strokeLineCap?this.strokeLineCap:"butt",s=this.strokeLineJoin?this.strokeLineJoin:"miter",u=this.strokeMiterLimit?this.strokeMiterLimit:"4",c="undefined"!==typeof this.opacity?this.opacity:"1",l=this.visible?"":" visibility: hidden;",h=e?"":this.getSvgFilter(),f=t("fill",this.fill);return[t("stroke",this.stroke),"stroke-width: ",r,"; ","stroke-dasharray: ",i,"; ","stroke-linecap: ",a,"; ","stroke-dashoffset: ",o,"; ","stroke-linejoin: ",s,"; ","stroke-miterlimit: ",u,"; ",f,"fill-rule: ",n,"; ","opacity: ",c,";",h,l].join("")},getSvgSpanStyles:function(e,n){var r=e.fontFamily?"font-family: "+(-1===e.fontFamily.indexOf("'")&&-1===e.fontFamily.indexOf('"')?"'"+e.fontFamily+"'":e.fontFamily)+"; ":"",i=e.strokeWidth?"stroke-width: "+e.strokeWidth+"; ":"",o=(r=r,e.fontSize?"font-size: "+e.fontSize+"px; ":""),a=e.fontStyle?"font-style: "+e.fontStyle+"; ":"",s=e.fontWeight?"font-weight: "+e.fontWeight+"; ":"",u=e.fill?t("fill",e.fill):"",c=e.stroke?t("stroke",e.stroke):"",l=this.getSvgTextDecoration(e);return l&&(l="text-decoration: "+l+"; "),[c,i,r,o,a,s,l,u,e.deltaY?"baseline-shift: "+-e.deltaY+"; ":"",n?"white-space: pre; ":""].join("")},getSvgTextDecoration:function(t){return["overline","underline","line-through"].filter((function(e){return t[e.replace("-","")]})).join(" ")},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 n=t?this.calcTransformMatrix():this.calcOwnMatrix();return'transform="'+i.util.matrixToSVG(n)+(e||"")+this.getSvgTransformMatrix()+'" '},getSvgTransformMatrix:function(){return this.transformMatrix?" "+i.util.matrixToSVG(this.transformMatrix):""},_setSVGBg:function(t){if(this.backgroundColor){var n=i.Object.NUM_FRACTION_DIGITS;t.push("\t\t<rect ",this._getFillAttributes(this.backgroundColor),' x="',e(-this.width/2,n),'" y="',e(-this.height/2,n),'" width="',e(this.width,n),'" height="',e(this.height,n),'"></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 n=(e=e||{}).reviver,r=e.additionalTransform||"",i=[this.getSvgTransform(!0,r),this.getSvgCommons()].join(""),o=t.indexOf("COMMON_PARTS");return t[o]=i,n?n(t.join("")):t.join("")},_createBaseSVGMarkup:function(t,e){var n,r,o=(e=e||{}).noStyle,a=e.reviver,s=o?"":'style="'+this.getSvgStyles()+'" ',u=e.withShadow?'style="'+this.getSvgFilter()+'" ':"",c=this.clipPath,l=this.strokeUniform?'vector-effect="non-scaling-stroke" ':"",h=c&&c.absolutePositioned,f=this.stroke,d=this.fill,p=this.shadow,v=[],y=t.indexOf("COMMON_PARTS"),g=e.additionalTransform;return c&&(c.clipPathId="CLIPPATH_"+i.Object.__uid++,r='<clipPath id="'+c.clipPathId+'" >\n'+c.toClipPathSVG(a)+"</clipPath>\n"),h&&v.push("<g ",u,this.getSvgCommons()," >\n"),v.push("<g ",this.getSvgTransform(!1),h?"":u+this.getSvgCommons()," >\n"),n=[s,l,o?"":this.addPaintOrder()," ",g?'transform="'+g+'" ':""].join(""),t[y]=n,d&&d.toLive&&v.push(d.toSVG(this)),f&&f.toLive&&v.push(f.toSVG(this)),p&&v.push(p.toSVG(this)),c&&v.push(r),v.push(t.join("")),v.push("</g>\n"),h&&v.push("</g>\n"),a?a(v.join("")):v.join("")},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order="'+this.paintFirst+'" ':""}})}(),function(){var t=i.util.object.extend;function e(e,n,r){var i={};r.forEach((function(t){i[t]=e[t]})),t(e[n],i,!0)}i.util.object.extend(i.Object.prototype,{hasStateChanged:function(t){var e="_"+(t=t||"stateProperties");return Object.keys(this[e]).length<this[t].length||!function t(e,n,r){if(e===n)return!0;if(Array.isArray(e)){if(!Array.isArray(n)||e.length!==n.length)return!1;for(var i=0,o=e.length;i<o;i++)if(!t(e[i],n[i]))return!1;return!0}if(e&&"object"===typeof e){var a,s=Object.keys(e);if(!n||"object"!==typeof n||!r&&s.length!==Object.keys(n).length)return!1;for(i=0,o=s.length;i<o;i++)if("canvas"!==(a=s[i])&&!t(e[a],n[a]))return!1;return!0}}(this[e],this,!0)},saveState:function(t){var n=t&&t.propertySet||"stateProperties",r="_"+n;return this[r]?(e(this,r,this[n]),t&&t.stateProperties&&e(this,r,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=i.util.degreesToRadians;i.util.object.extend(i.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(t){if(!this.hasControls||this.group||!this.canvas||this.canvas._activeObject!==this)return!1;var e,n,r=t.x,i=t.y;for(var o in this.__corner=0,this.oCoords)if(this.isControlVisible(o)&&("mtr"!==o||this.hasRotatingPoint)&&(!this.get("lockUniScaling")||"mt"!==o&&"mr"!==o&&"mb"!==o&&"ml"!==o)&&(n=this._getImageLines(this.oCoords[o].corner),0!==(e=this._findCrossPoints({x:r,y:i},n))&&e%2===1))return this.__corner=o,o;return!1},_setCornerCoords:function(){var e,n,r=this.oCoords,o=t(45-this.angle),a=.707106*this.cornerSize,s=a*i.util.cos(o),u=a*i.util.sin(o);for(var c in r)e=r[c].x,n=r[c].y,r[c].corner={tl:{x:e-u,y:n-s},tr:{x:e+s,y:n-u},bl:{x:e-s,y:n+u},br:{x:e+u,y:n+s}}},drawSelectionBackground:function(e){if(!this.selectionBackgroundColor||this.canvas&&!this.canvas.interactive||this.canvas&&this.canvas._activeObject!==this)return this;e.save();var n=this.getCenterPoint(),r=this._calculateCurrentDimensions(),i=this.canvas.viewportTransform;return e.translate(n.x,n.y),e.scale(1/i[0],1/i[3]),e.rotate(t(this.angle)),e.fillStyle=this.selectionBackgroundColor,e.fillRect(-r.x/2,-r.y/2,r.x,r.y),e.restore(),this},drawBorders:function(t,e){e=e||{};var n=this._calculateCurrentDimensions(),r=this.borderScaleFactor,i=n.x+r,o=n.y+r,a="undefined"!==typeof e.hasRotatingPoint?e.hasRotatingPoint:this.hasRotatingPoint,s="undefined"!==typeof e.hasControls?e.hasControls:this.hasControls,u="undefined"!==typeof e.rotatingPointOffset?e.rotatingPointOffset:this.rotatingPointOffset;if(t.save(),t.strokeStyle=e.borderColor||this.borderColor,this._setLineDash(t,e.borderDashArray||this.borderDashArray,null),t.strokeRect(-i/2,-o/2,i,o),a&&this.isControlVisible("mtr")&&s){var c=-o/2;t.beginPath(),t.moveTo(0,c),t.lineTo(0,c-u),t.stroke()}return t.restore(),this},drawBordersInGroup:function(t,e,n){n=n||{};var r={x:this.width,y:this.height},o=i.util.composeMatrix({scaleX:e.scaleX,scaleY:e.scaleY,skewX:e.skewX}),a=i.util.transformPoint(r,o),s=this.strokeWidth,u=this.borderScaleFactor,c=a.x+s*(this.strokeUniform?this.canvas.getZoom():e.scaleX)+u,l=a.y+s*(this.strokeUniform?this.canvas.getZoom():e.scaleY)+u;return t.save(),this._setLineDash(t,n.borderDashArray||this.borderDashArray,null),t.strokeStyle=n.borderColor||this.borderColor,t.strokeRect(-c/2,-l/2,c,l),t.restore(),this},drawControls:function(t,e){e=e||{};var n=this._calculateCurrentDimensions(),r=n.x,i=n.y,o=e.cornerSize||this.cornerSize,a=-(r+o)/2,s=-(i+o)/2,u="undefined"!==typeof e.transparentCorners?e.transparentCorners:this.transparentCorners,c="undefined"!==typeof e.hasRotatingPoint?e.hasRotatingPoint:this.hasRotatingPoint,l=u?"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,a,s,e),this._drawControl("tr",t,l,a+r,s,e),this._drawControl("bl",t,l,a,s+i,e),this._drawControl("br",t,l,a+r,s+i,e),this.get("lockUniScaling")||(this._drawControl("mt",t,l,a+r/2,s,e),this._drawControl("mb",t,l,a+r/2,s+i,e),this._drawControl("mr",t,l,a+r,s+i/2,e),this._drawControl("ml",t,l,a,s+i/2,e)),c&&this._drawControl("mtr",t,l,a+r/2,s-this.rotatingPointOffset,e),t.restore(),this},_drawControl:function(t,e,n,r,i,o){if(o=o||{},this.isControlVisible(t)){var a=this.cornerSize,s=!this.transparentCorners&&this.cornerStrokeColor;switch(o.cornerStyle||this.cornerStyle){case"circle":e.beginPath(),e.arc(r+a/2,i+a/2,a/2,0,2*Math.PI,!1),e[n](),s&&e.stroke();break;default:this.transparentCorners||e.clearRect(r,i,a,a),e[n+"Rect"](r,i,a,a),s&&e.strokeRect(r,i,a,a)}}},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(){}})}(),i.util.object.extend(i.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(t,e){var n=function(){},r=(e=e||{}).onComplete||n,o=e.onChange||n,a=this;return i.util.animate({startValue:t.left,endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),a.requestRenderAll(),o()},onComplete:function(){t.setCoords(),r()}}),this},fxCenterObjectV:function(t,e){var n=function(){},r=(e=e||{}).onComplete||n,o=e.onChange||n,a=this;return i.util.animate({startValue:t.top,endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),a.requestRenderAll(),o()},onComplete:function(){t.setCoords(),r()}}),this},fxRemove:function(t,e){var n=function(){},r=(e=e||{}).onComplete||n,o=e.onChange||n,a=this;return i.util.animate({startValue:t.opacity,endValue:0,duration:this.FX_DURATION,onChange:function(e){t.set("opacity",e),a.requestRenderAll(),o()},onComplete:function(){a.remove(t),r()}}),this}}),i.util.object.extend(i.Object.prototype,{animate:function(){if(arguments[0]&&"object"===typeof arguments[0]){var t,e,n=[];for(t in arguments[0])n.push(t);for(var r=0,i=n.length;r<i;r++)t=n[r],e=r!==i-1,this._animate(t,arguments[0][t],arguments[1],e)}else this._animate.apply(this,arguments);return this},_animate:function(t,e,n,r){var o,a=this;e=e.toString(),n=n?i.util.object.clone(n):{},~t.indexOf(".")&&(o=t.split("."));var s=o?this.get(o[0])[o[1]]:this.get(t);"from"in n||(n.from=s),e=~e.indexOf("=")?s+parseFloat(e.replace("=","")):parseFloat(e),i.util.animate({startValue:n.from,endValue:e,byValue:n.by,easing:n.easing,duration:n.duration,abort:n.abort&&function(){return n.abort.call(a)},onChange:function(e,i,s){o?a[o[0]][o[1]]=e:a.set(t,e),r||n.onChange&&n.onChange(e,i,s)},onComplete:function(t,e,i){r||(a.setCoords(),n.onComplete&&n.onComplete(t,e,i))}})}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),n=e.util.object.extend,r=e.util.object.clone,i={x1:1,x2:1,y1:1,y2:1},o=e.StaticCanvas.supports("setLineDash");function a(t,e){var n=t.origin,r=t.axis1,i=t.axis2,o=t.dimension,a=e.nearest,s=e.center,u=e.farthest;return function(){switch(this.get(n)){case a:return Math.min(this.get(r),this.get(i));case s:return Math.min(this.get(r),this.get(i))+.5*this.get(o);case u:return Math.max(this.get(r),this.get(i))}}}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),"undefined"!==typeof i[t]&&this._setWidthHeight(),this},_getLeftToOriginX:a({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:a({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t){if(t.beginPath(),!this.strokeDashArray||this.strokeDashArray&&o){var e=this.calcLinePoints();t.moveTo(e.x1,e.y1),t.lineTo(e.x2,e.y2)}t.lineWidth=this.strokeWidth;var n=t.strokeStyle;t.strokeStyle=this.stroke||t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=n},_renderDashedStroke:function(t){var n=this.calcLinePoints();t.beginPath(),e.util.drawDashedLine(t,n.x1,n.y1,n.x2,n.y2,this.strokeDashArray),t.closePath()},_findCenterFromElement:function(){return{x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2}},toObject:function(t){return n(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,n=t*this.width*.5,r=e*this.height*.5;return{x1:n,x2:t*this.width*-.5,y1:r,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,r,i){i=i||{};var o=e.parseAttributes(t,e.Line.ATTRIBUTE_NAMES),a=[o.x1||0,o.y1||0,o.x2||0,o.y2||0];r(new e.Line(a,n(o,i)))},e.Line.fromObject=function(t,n){var i=r(t,!0);i.points=[t.x1,t.y1,t.x2,t.y2],e.Object._fromObject("Line",i,(function(t){delete t.points,n&&n(t)}),"points")})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),n=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*n,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,r=(this.endAngle-this.startAngle)%(2*n);if(0===r)t=["<circle ","COMMON_PARTS",'cx="0" cy="0" ','r="',this.radius,'" />\n'];else{var i=e.util.cos(this.startAngle)*this.radius,o=e.util.sin(this.startAngle)*this.radius,a=e.util.cos(this.endAngle)*this.radius,s=e.util.sin(this.endAngle)*this.radius,u=r>n?"1":"0";t=['<path d="M '+i+" "+o," A "+this.radius+" "+this.radius," 0 ",+u+" 1"," "+a+" "+s,'" ',"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,n){var r,i=e.parseAttributes(t,e.Circle.ATTRIBUTE_NAMES);if(!("radius"in(r=i)&&r.radius>=0))throw new Error("value of `r` attribute is required and can not be negative");i.left=(i.left||0)-i.radius,i.top=(i.top||0)-i.radius,n(new e.Circle(i))},e.Circle.fromObject=function(t,n){return e.Object._fromObject("Circle",t,n)})}(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,n=this.height/2;t.beginPath(),t.moveTo(-e,n),t.lineTo(0,-n),t.lineTo(e,n),t.closePath(),this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var n=this.width/2,r=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-n,r,0,-r,this.strokeDashArray),e.util.drawDashedLine(t,0,-r,n,r,this.strokeDashArray),e.util.drawDashedLine(t,n,r,-n,r,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,n){return e.Object._fromObject("Triangle",t,n)})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),n=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,n,!1),t.restore(),this._renderPaintInOrder(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,n){var r=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);r.left=(r.left||0)-r.rx,r.top=(r.top||0)-r.ry,n(new e.Ellipse(r))},e.Ellipse.fromObject=function(t,n){return e.Object._fromObject("Ellipse",t,n)})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),n=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,n=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,i=this.height,o=-this.width/2,a=-this.height/2,s=0!==e||0!==n,u=.4477152502;t.beginPath(),t.moveTo(o+e,a),t.lineTo(o+r-e,a),s&&t.bezierCurveTo(o+r-u*e,a,o+r,a+u*n,o+r,a+n),t.lineTo(o+r,a+i-n),s&&t.bezierCurveTo(o+r,a+i-u*n,o+r-u*e,a+i,o+r-e,a+i),t.lineTo(o+e,a+i),s&&t.bezierCurveTo(o+u*e,a+i,o,a+i-u*n,o,a+i-n),t.lineTo(o,a+n),s&&t.bezierCurveTo(o,a+u*n,o+u*e,a,o+e,a),t.closePath(),this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var n=-this.width/2,r=-this.height/2,i=this.width,o=this.height;t.beginPath(),e.util.drawDashedLine(t,n,r,n+i,r,this.strokeDashArray),e.util.drawDashedLine(t,n+i,r,n+i,r+o,this.strokeDashArray),e.util.drawDashedLine(t,n+i,r+o,n,r+o,this.strokeDashArray),e.util.drawDashedLine(t,n,r+o,n,r,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,r,i){if(!t)return r(null);i=i||{};var o=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);o.left=o.left||0,o.top=o.top||0,o.height=o.height||0,o.width=o.width||0;var a=new e.Rect(n(i?e.util.object.clone(i):{},o));a.visible=a.visible&&a.width>0&&a.height>0,r(a)},e.Rect.fromObject=function(t,n){return e.Object._fromObject("Rect",t,n)})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),n=e.util.object.extend,r=e.util.array.min,i=e.util.array.max,o=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,n=this._calcDimensions(t);this.width=n.width,this.height=n.height,t.fromSVG||(e=this.translateToGivenOrigin({x:n.left-this.strokeWidth/2,y:n.top-this.strokeWidth/2},"left","top",this.originX,this.originY)),"undefined"===typeof t.left&&(this.left=t.fromSVG?n.left:e.x),"undefined"===typeof t.top&&(this.top=t.fromSVG?n.top:e.y),this.pathOffset={x:n.left+this.width/2,y:n.top+this.height/2}},_calcDimensions:function(){var t=this.points,e=r(t,"x")||0,n=r(t,"y")||0;return{left:e,top:n,width:(i(t,"x")||0)-e,height:(i(t,"y")||0)-n}},toObject:function(t){return n(this.callSuper("toObject",t),{points:this.points.concat()})},_toSVG:function(){for(var t=[],n=this.pathOffset.x,r=this.pathOffset.y,i=e.Object.NUM_FRACTION_DIGITS,a=0,s=this.points.length;a<s;a++)t.push(o(this.points[a].x-n,i),",",o(this.points[a].y-r,i)," ");return["<"+this.type+" ","COMMON_PARTS",'points="',t.join(""),'" />\n']},commonRender:function(t){var e,n=this.points.length,r=this.pathOffset.x,i=this.pathOffset.y;if(!n||isNaN(this.points[n-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-i);for(var o=0;o<n;o++)e=this.points[o],t.lineTo(e.x-r,e.y-i);return!0},_render:function(t){this.commonRender(t)&&this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var n,r;t.beginPath();for(var i=0,o=this.points.length;i<o;i++)n=this.points[i],r=this.points[i+1]||n,e.util.drawDashedLine(t,n.x,n.y,r.x,r.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(r,i,o){if(!r)return i(null);o||(o={});var a=e.parsePointsAttribute(r.getAttribute("points")),s=e.parseAttributes(r,e[t].ATTRIBUTE_NAMES);s.fromSVG=!0,i(new e[t](a,n(s,o)))}},e.Polyline.fromElement=e.Polyline.fromElementGenerator("Polyline"),e.Polyline.fromObject=function(t,n){return e.Object._fromObject("Polyline",t,n,"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,n){return e.Object._fromObject("Polygon",t,n,"points")})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),n=e.util.array.min,r=e.util.array.max,i=e.util.object.extend,o=Object.prototype.toString,a=e.util.drawArc,s=e.util.toFixed,u={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,n){n=n||{},this.callSuper("initialize",n),t||(t=[]);var r="[object Array]"===o.call(t);this.path=r?t:t.match&&t.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi),this.path&&(r||(this.path=this._parsePath()),e.Polyline.prototype._setPositionDimensions.call(this,n))},_renderPathCommands:function(t){var e,n,r,i=null,o=0,s=0,u=0,c=0,l=0,h=0,f=-this.pathOffset.x,d=-this.pathOffset.y;t.beginPath();for(var p=0,v=this.path.length;p<v;++p){switch((e=this.path[p])[0]){case"l":u+=e[1],c+=e[2],t.lineTo(u+f,c+d);break;case"L":u=e[1],c=e[2],t.lineTo(u+f,c+d);break;case"h":u+=e[1],t.lineTo(u+f,c+d);break;case"H":u=e[1],t.lineTo(u+f,c+d);break;case"v":c+=e[1],t.lineTo(u+f,c+d);break;case"V":c=e[1],t.lineTo(u+f,c+d);break;case"m":o=u+=e[1],s=c+=e[2],t.moveTo(u+f,c+d);break;case"M":o=u=e[1],s=c=e[2],t.moveTo(u+f,c+d);break;case"c":n=u+e[5],r=c+e[6],l=u+e[3],h=c+e[4],t.bezierCurveTo(u+e[1]+f,c+e[2]+d,l+f,h+d,n+f,r+d),u=n,c=r;break;case"C":u=e[5],c=e[6],l=e[3],h=e[4],t.bezierCurveTo(e[1]+f,e[2]+d,l+f,h+d,u+f,c+d);break;case"s":n=u+e[3],r=c+e[4],null===i[0].match(/[CcSs]/)?(l=u,h=c):(l=2*u-l,h=2*c-h),t.bezierCurveTo(l+f,h+d,u+e[1]+f,c+e[2]+d,n+f,r+d),l=u+e[1],h=c+e[2],u=n,c=r;break;case"S":n=e[3],r=e[4],null===i[0].match(/[CcSs]/)?(l=u,h=c):(l=2*u-l,h=2*c-h),t.bezierCurveTo(l+f,h+d,e[1]+f,e[2]+d,n+f,r+d),u=n,c=r,l=e[1],h=e[2];break;case"q":n=u+e[3],r=c+e[4],l=u+e[1],h=c+e[2],t.quadraticCurveTo(l+f,h+d,n+f,r+d),u=n,c=r;break;case"Q":n=e[3],r=e[4],t.quadraticCurveTo(e[1]+f,e[2]+d,n+f,r+d),u=n,c=r,l=e[1],h=e[2];break;case"t":n=u+e[1],r=c+e[2],null===i[0].match(/[QqTt]/)?(l=u,h=c):(l=2*u-l,h=2*c-h),t.quadraticCurveTo(l+f,h+d,n+f,r+d),u=n,c=r;break;case"T":n=e[1],r=e[2],null===i[0].match(/[QqTt]/)?(l=u,h=c):(l=2*u-l,h=2*c-h),t.quadraticCurveTo(l+f,h+d,n+f,r+d),u=n,c=r;break;case"a":a(t,u+f,c+d,[e[1],e[2],e[3],e[4],e[5],e[6]+u+f,e[7]+c+d]),u+=e[6],c+=e[7];break;case"A":a(t,u+f,c+d,[e[1],e[2],e[3],e[4],e[5],e[6]+f,e[7]+d]),u=e[6],c=e[7];break;case"z":case"Z":u=o,c=s,t.closePath()}i=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 i(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("+s(-this.pathOffset.x,t)+", "+s(-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,n,r,i,o,a=[],s=[],l=e.rePathCommand,h=0,f=this.path.length;h<f;h++){for(i=(t=this.path[h]).slice(1).trim(),s.length=0;r=l.exec(i);)s.push(r[0]);o=[t.charAt(0)];for(var d=0,p=s.length;d<p;d++)n=parseFloat(s[d]),isNaN(n)||o.push(n);var v=o[0],y=u[v.toLowerCase()],g=c[v]||v;if(o.length-1>y)for(var m=1,b=o.length;m<b;m+=y)a.push([v].concat(o.slice(m,m+y))),v=g;else a.push(o)}return a},_calcDimensions:function(){for(var t,i,o,a,s=[],u=[],c=null,l=0,h=0,f=0,d=0,p=0,v=0,y=0,g=this.path.length;y<g;++y){switch((t=this.path[y])[0]){case"l":f+=t[1],d+=t[2],a=[];break;case"L":f=t[1],d=t[2],a=[];break;case"h":f+=t[1],a=[];break;case"H":f=t[1],a=[];break;case"v":d+=t[1],a=[];break;case"V":d=t[1],a=[];break;case"m":l=f+=t[1],h=d+=t[2],a=[];break;case"M":l=f=t[1],h=d=t[2],a=[];break;case"c":i=f+t[5],o=d+t[6],p=f+t[3],v=d+t[4],a=e.util.getBoundsOfCurve(f,d,f+t[1],d+t[2],p,v,i,o),f=i,d=o;break;case"C":p=t[3],v=t[4],a=e.util.getBoundsOfCurve(f,d,t[1],t[2],p,v,t[5],t[6]),f=t[5],d=t[6];break;case"s":i=f+t[3],o=d+t[4],null===c[0].match(/[CcSs]/)?(p=f,v=d):(p=2*f-p,v=2*d-v),a=e.util.getBoundsOfCurve(f,d,p,v,f+t[1],d+t[2],i,o),p=f+t[1],v=d+t[2],f=i,d=o;break;case"S":i=t[3],o=t[4],null===c[0].match(/[CcSs]/)?(p=f,v=d):(p=2*f-p,v=2*d-v),a=e.util.getBoundsOfCurve(f,d,p,v,t[1],t[2],i,o),f=i,d=o,p=t[1],v=t[2];break;case"q":i=f+t[3],o=d+t[4],p=f+t[1],v=d+t[2],a=e.util.getBoundsOfCurve(f,d,p,v,p,v,i,o),f=i,d=o;break;case"Q":p=t[1],v=t[2],a=e.util.getBoundsOfCurve(f,d,p,v,p,v,t[3],t[4]),f=t[3],d=t[4];break;case"t":i=f+t[1],o=d+t[2],null===c[0].match(/[QqTt]/)?(p=f,v=d):(p=2*f-p,v=2*d-v),a=e.util.getBoundsOfCurve(f,d,p,v,p,v,i,o),f=i,d=o;break;case"T":i=t[1],o=t[2],null===c[0].match(/[QqTt]/)?(p=f,v=d):(p=2*f-p,v=2*d-v),a=e.util.getBoundsOfCurve(f,d,p,v,p,v,i,o),f=i,d=o;break;case"a":a=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":a=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=h}c=t,a.forEach((function(t){s.push(t.x),u.push(t.y)})),s.push(f),u.push(d)}var m=n(s)||0,b=n(u)||0;return{left:m,top:b,width:(r(s)||0)-m,height:(r(u)||0)-b}}}),e.Path.fromObject=function(t,n){if("string"===typeof t.sourcePath){var r=t.sourcePath;e.loadSVGFromURL(r,(function(e){var r=e[0];r.setOptions(t),n&&n(r)}))}else e.Object._fromObject("Path",t,n,"path")},e.Path.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(["d"]),e.Path.fromElement=function(t,n,r){var o=e.parseAttributes(t,e.Path.ATTRIBUTE_NAMES);o.fromSVG=!0,n(new e.Path(o.d,i(o,r)))})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),n=e.util.array.min,r=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,n){e=e||{},this._objects=[],n&&this.callSuper("initialize",e),this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;if(n)this._updateObjectsACoords();else{var i=e&&e.centerPoint;void 0!==e.originX&&(this.originX=e.originX),void 0!==e.originY&&(this.originY=e.originY),i||this._calcBounds(),this._updateObjectsCoords(i),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 n=t.left,r=t.top;t.set({left:n-e.x,top:r-e.y}),t.group=this,t.setCoords(!0,!0)},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(t){return this._restoreObjectsState(),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,n){var r=this._objects.length;if(this.useSetOnGroup)for(;r--;)this._objects[r].setOnGroup(t,n);if("canvas"===t)for(;r--;)this._objects[r]._set(t,n);e.Object.prototype._set.call(this,t,n)},toObject:function(t){var n=this.includeDefaultValues,r=this._objects.map((function(e){var r=e.includeDefaultValues;e.includeDefaultValues=n;var i=e.toObject(t);return e.includeDefaultValues=r,i})),i=e.Object.prototype.toObject.call(this,t);return i.objects=r,i},toDatalessObject:function(t){var n,r=this.sourcePath;if(r)n=r;else{var i=this.includeDefaultValues;n=this._objects.map((function(e){var n=e.includeDefaultValues;e.includeDefaultValues=i;var r=e.toDatalessObject(t);return e.includeDefaultValues=n,r}))}var o=e.Object.prototype.toDatalessObject.call(this,t);return o.objects=n,o},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 n=0,r=this._objects.length;n<r;n++)if(this._objects[n].willDrawShadow())return this.ownCaching=!1,!1;return t},willDrawShadow:function(){if(e.Object.prototype.willDrawShadow.call(this))return!0;for(var t=0,n=this._objects.length;t<n;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,n=this._objects.length;e<n;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,n=this._objects.length;e<n;e++)if(this._objects[e].isCacheDirty(!0)){if(this._cacheCanvas){var r=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-r/2,-i/2,r,i)}return!0}return!1},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},realizeTransform:function(t){var n=t.calcTransformMatrix(),r=e.util.qrDecompose(n),i=new e.Point(r.translateX,r.translateY);return t.flipX=!1,t.flipY=!1,t.set("scaleX",r.scaleX),t.set("scaleY",r.scaleY),t.skewX=r.skewX,t.skewY=r.skewY,t.angle=r.angle,t.setPositionByOrigin(i,"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,n=this.canvas;this._objects=[];var r=this.toObject();delete r.objects;var i=new e.ActiveSelection([]);return i.set(r),i.type="activeSelection",n.remove(this),t.forEach((function(t){t.group=i,t.dirty=!0,n.add(t)})),i.canvas=n,i._objects=t,n._activeObject=i,i.setCoords(),i}},ungroupOnCanvas:function(){return this._restoreObjectsState()},setObjectsCoords:function(){return this.forEachObject((function(t){t.setCoords(!0,!0)})),this},_calcBounds:function(t){for(var e,n,r,i=[],o=[],a=["tr","br","bl","tl"],s=0,u=this._objects.length,c=a.length;s<u;++s)for((e=this._objects[s]).setCoords(!0),r=0;r<c;r++)n=a[r],i.push(e.oCoords[n].x),o.push(e.oCoords[n].y);this._getBounds(i,o,t)},_getBounds:function(t,i,o){var a=new e.Point(n(t),n(i)),s=new e.Point(r(t),r(i)),u=a.y||0,c=a.x||0,l=s.x-a.x||0,h=s.y-a.y||0;this.width=l,this.height=h,o||this.setPositionByOrigin({x:c,y:u},"left","top")},_toSVG:function(t){for(var e=["<g ","COMMON_PARTS"," >\n"],n=0,r=this._objects.length;n<r;n++)e.push("\t\t",this._objects[n].toSVG(t));return e.push("</g>\n"),e},getSvgStyles:function(){var t="undefined"!==typeof 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=[],n=0,r=this._objects.length;n<r;n++)e.push("\t",this._objects[n].toClipPathSVG(t));return this._createBaseClipPathSVGMarkup(e,{reviver:t})}}),e.Group.fromObject=function(t,n){var r=t.objects,i=e.util.object.clone(t,!0);delete i.objects,"string"!==typeof r?e.util.enlivenObjects(r,(function(r){e.util.enlivenObjects([t.clipPath],(function(i){var o=e.util.object.clone(t,!0);o.clipPath=i[0],delete o.objects,n&&n(new e.Group(r,o,!0))}))})):e.loadSVGFromURL(r,(function(o){var a=e.util.groupSVGElements(o,t,r);a.set(i),n&&n(a)}))})}(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,n){n=n||{},this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;n.originX&&(this.originX=n.originX),n.originY&&(this.originY=n.originY),this._calcBounds(),this._updateObjectsCoords(),e.Object.prototype.initialize.call(this,n),this.setCoords()},toGroup:function(){var t=this._objects.concat();this._objects=[];var n=e.Object.prototype.toObject.call(this),r=new e.Group([]);if(delete n.type,r.set(n),t.forEach((function(t){t.canvas.remove(t),t.group=r})),r._objects=t,!this.canvas)return r;var i=this.canvas;return i.add(r),i._activeObject=r,r.setCoords(),r},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,n){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.callSuper("_renderControls",t,e),"undefined"===typeof(n=n||{}).hasControls&&(n.hasControls=!1),"undefined"===typeof n.hasRotatingPoint&&(n.hasRotatingPoint=!1),n.forActiveSelection=!0;for(var r=0,i=this._objects.length;r<i;r++)this._objects[r]._renderControls(t,n);t.restore()}}),e.ActiveSelection.fromObject=function(t,n){e.util.enlivenObjects(t.objects,(function(r){delete t.objects,n&&n(new e.ActiveSelection(r,t,!0))}))})}(e),function(t){"use strict";var e=i.util.object.extend;t.fabric||(t.fabric={}),t.fabric.Image?i.warn("fabric.Image is already defined."):(i.Image=i.util.createClass(i.Object,{type:"image",crossOrigin:"",strokeWidth:0,srcFromAttribute:!1,_lastScaleX:1,_lastScaleY:1,_filterScalingX:1,_filterScalingY:1,minimumScaleTrigger:.5,stateProperties:i.Object.prototype.stateProperties.concat("cropX","cropY"),cacheKey:"",cropX:0,cropY:0,initialize:function(t,e){e||(e={}),this.filters=[],this.cacheKey="texture"+i.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=i.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){i.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,n=this.height/2;t.beginPath(),t.moveTo(-e,-n),t.lineTo(e,-n),t.lineTo(e,n),t.lineTo(-e,n),t.lineTo(-e,-n),t.closePath()}},_renderDashedStroke:function(t){var e=-this.width/2,n=-this.height/2,r=this.width,o=this.height;t.save(),this._setStrokeStyles(t,this),t.beginPath(),i.util.drawDashedLine(t,e,n,e+r,n,this.strokeDashArray),i.util.drawDashedLine(t,e+r,n,e+r,n+o,this.strokeDashArray),i.util.drawDashedLine(t,e+r,n+o,e,n+o,this.strokeDashArray),i.util.drawDashedLine(t,e,n+o,e,n,this.strokeDashArray),t.closePath(),t.restore()},toObject:function(t){var n=[];this.filters.forEach((function(t){t&&n.push(t.toObject())}));var r=e(this.callSuper("toObject",["crossOrigin","cropX","cropY"].concat(t)),{src:this.getSrc(),filters:n});return this.resizeFilter&&(r.resizeFilter=this.resizeFilter.toObject()),r},hasCrop:function(){return this.cropX||this.cropY||this.width<this._element.width||this.height<this._element.height},_toSVG:function(){var t,e=[],n=[],r=-this.width/2,o=-this.height/2,a="";if(this.hasCrop()){var s=i.Object.__uid++;e.push('<clipPath id="imageCrop_'+s+'">\n','\t<rect x="'+r+'" y="'+o+'" width="'+this.width+'" height="'+this.height+'" />\n',"</clipPath>\n"),a=' clip-path="url(#imageCrop_'+s+')" '}if(n.push("\t<image ","COMMON_PARTS",'xlink:href="',this.getSvgSrc(!0),'" x="',r-this.cropX,'" y="',o-this.cropY,'" width="',this._element.width||this._element.naturalWidth,'" height="',this._element.height||this._element.height,'"',a,"></image>\n"),this.stroke||this.strokeDashArray){var u=this.fill;this.fill=null,t=["\t<rect ",'x="',r,'" y="',o,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'],this.fill=u}return e="fill"!==this.paintFirst?e.concat(t,n):e.concat(n,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,n){return i.util.loadImage(t,(function(t){this.setElement(t,n),this._setWidthHeight(),e&&e(this)}),this,n&&n.crossOrigin),this},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.minimumScaleTrigger,n=this.getTotalObjectScaling(),r=n.scaleX,o=n.scaleY,a=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||r>e&&o>e)return this._element=a,this._filterScalingX=1,this._filterScalingY=1,this._lastScaleX=r,void(this._lastScaleY=o);i.filterBackend||(i.filterBackend=i.initFilterBackend());var s=i.util.createCanvasElement(),u=this._filteredEl?this.cacheKey+"_filtered":this.cacheKey,c=a.width,l=a.height;s.width=c,s.height=l,this._element=s,this._lastScaleX=t.scaleX=r,this._lastScaleY=t.scaleY=o,i.filterBackend.applyFilters([t],a,c,l,this._element,u),this._filterScalingX=s.width/this._originalElement.width,this._filterScalingY=s.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,n=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){var o=i.util.createCanvasElement();o.width=n,o.height=r,this._element=o,this._filteredEl=o}else this._element=this._filteredEl,this._filteredEl.getContext("2d").clearRect(0,0,n,r),this._lastScaleX=1,this._lastScaleY=1;return i.filterBackend||(i.filterBackend=i.initFilterBackend()),i.filterBackend.applyFilters(t,this._originalElement,n,r,this._element,this.cacheKey),this._originalElement.width===this._element.width&&this._originalElement.height===this._element.height||(this._filterScalingX=this._element.width/this._originalElement.width,this._filterScalingY=this._element.height/this._originalElement.height),this},_render:function(t){!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;if(e){var n=this._filterScalingX,r=this._filterScalingY,i=this.width,o=this.height,a=Math.min,s=Math.max,u=s(this.cropX,0),c=s(this.cropY,0),l=e.naturalWidth||e.width,h=e.naturalHeight||e.height,f=u*n,d=c*r,p=a(i*n,l-f),v=a(o*r,h-d),y=-i/2,g=-o/2,m=a(i,l/n-u),b=a(o,h/n-c);e&&t.drawImage(e,f,d,p,v,y,g,m,b)}},_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(i.util.getById(t),e),i.util.addClass(this.getElement(),i.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?i.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=i.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio||""),n=this._element.width,r=this._element.height,o=1,a=1,s=0,u=0,c=0,l=0,h=this.width,f=this.height,d={width:h,height:f};return!e||"none"===e.alignX&&"none"===e.alignY?(o=h/n,a=f/r):("meet"===e.meetOrSlice&&(t=(h-n*(o=a=i.util.findScaleToFit(this._element,d)))/2,"Min"===e.alignX&&(s=-t),"Max"===e.alignX&&(s=t),t=(f-r*a)/2,"Min"===e.alignY&&(u=-t),"Max"===e.alignY&&(u=t)),"slice"===e.meetOrSlice&&(t=n-h/(o=a=i.util.findScaleToCover(this._element,d)),"Mid"===e.alignX&&(c=t/2),"Max"===e.alignX&&(c=t),t=r-f/a,"Mid"===e.alignY&&(l=t/2),"Max"===e.alignY&&(l=t),n=h/o,r=f/a)),{width:n,height:r,scaleX:o,scaleY:a,offsetLeft:s,offsetTop:u,cropX:c,cropY:l}}}),i.Image.CSS_CANVAS="canvas-img",i.Image.prototype.getSvgSrc=i.Image.prototype.getSrc,i.Image.fromObject=function(t,e){var n=i.util.object.clone(t);i.util.loadImage(n.src,(function(t,r){r?e&&e(null,r):i.Image.prototype._initFilters.call(n,n.filters,(function(r){n.filters=r||[],i.Image.prototype._initFilters.call(n,[n.resizeFilter],(function(r){n.resizeFilter=r[0],i.util.enlivenObjects([n.clipPath],(function(r){n.clipPath=r[0];var o=new i.Image(t,n);e(o)}))}))}))}),null,n.crossOrigin)},i.Image.fromURL=function(t,e,n){i.util.loadImage(t,(function(t){e&&e(new i.Image(t,n))}),null,n&&n.crossOrigin)},i.Image.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")),i.Image.fromElement=function(t,n,r){var o=i.parseAttributes(t,i.Image.ATTRIBUTE_NAMES);i.Image.fromURL(o["xlink:href"],n,e(r?i.util.object.clone(r):{},o))})}(e),i.util.object.extend(i.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(){},n=(t=t||{}).onComplete||e,r=t.onChange||e,o=this;return i.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){o.rotate(t),r()},onComplete:function(){o.setCoords(),n()}}),this}}),i.util.object.extend(i.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 n="precision "+e+" float;\nvoid main(){}",r=t.createShader(t.FRAGMENT_SHADER);return t.shaderSource(r,n),t.compileShader(r),!!t.getShaderParameter(r,t.COMPILE_STATUS)}function e(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}i.isWebglSupported=function(e){if(i.isLikelyNode)return!1;e=e||i.WebglFilterBackend.prototype.tileSize;var n=document.createElement("canvas"),r=n.getContext("webgl")||n.getContext("experimental-webgl"),o=!1;if(r){i.maxTextureSize=r.getParameter(r.MAX_TEXTURE_SIZE),o=i.maxTextureSize>=e;for(var a=["highp","mediump","lowp"],s=0;s<3;s++)if(t(r,a[s])){i.webGlPrecision=a[s];break}}return this.isSupported=o,o},i.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 n,r="undefined"!==typeof window.performance;try{new ImageData(1,1),n=!0}catch(p){n=!1}var o="undefined"!==typeof ArrayBuffer,u="undefined"!==typeof Uint8ClampedArray;if(r&&n&&o&&u){var c=i.util.createCanvasElement(),l=new ArrayBuffer(t*e*4);if(i.forceGLPutImageData)return this.imageBuffer=l,void(this.copyGLTo2D=s);var h,f,d={imageBuffer:l,destinationWidth:t,destinationHeight:e,targetCanvas:c};c.width=t,c.height=e,h=window.performance.now(),a.call(d,this.gl,d),f=window.performance.now()-h,h=window.performance.now(),s.call(d,this.gl,d),f>window.performance.now()-h?(this.imageBuffer=l,this.copyGLTo2D=s):this.copyGLTo2D=a}},createWebGLCanvas:function(t,e){var n=i.util.createCanvasElement();n.width=t,n.height=e;var r={alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1},o=n.getContext("webgl",r);o||(o=n.getContext("experimental-webgl",r)),o&&(o.clearColor(0,0,0,0),this.canvas=n,this.gl=o)},applyFilters:function(t,e,n,r,i,o){var a,s=this.gl;o&&(a=this.getCachedTexture(o,e));var u={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:n,sourceHeight:r,destinationWidth:n,destinationHeight:r,context:s,sourceTexture:this.createTexture(s,n,r,!a&&e),targetTexture:this.createTexture(s,n,r),originalTexture:a||this.createTexture(s,n,r,!a&&e),passes:t.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:i},c=s.createFramebuffer();return s.bindFramebuffer(s.FRAMEBUFFER,c),t.forEach((function(t){t&&t.applyTo(u)})),function(t){var e=t.targetCanvas,n=e.width,r=e.height,i=t.destinationWidth,o=t.destinationHeight;n===i&&r===o||(e.width=i,e.height=o)}(u),this.copyGLTo2D(s,u),s.bindTexture(s.TEXTURE_2D,null),s.deleteTexture(u.sourceTexture),s.deleteTexture(u.targetTexture),s.deleteFramebuffer(c),i.getContext("2d").setTransform(1,0,0,1,0,0),u},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,n,r){var i=t.createTexture();return t.bindTexture(t.TEXTURE_2D,i),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),r?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,n,0,t.RGBA,t.UNSIGNED_BYTE,null),i},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var n=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=n,n},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},copyGLTo2D:a,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e={renderer:"",vendor:""};if(!t)return e;var n=t.getExtension("WEBGL_debug_renderer_info");if(n){var r=t.getParameter(n.UNMASKED_RENDERER_WEBGL),i=t.getParameter(n.UNMASKED_VENDOR_WEBGL);r&&(e.renderer=r.toLowerCase()),i&&(e.vendor=i.toLowerCase())}return this.gpuInfo=e,e}}}(),function(){"use strict";var t=function(){};function e(){}i.Canvas2dFilterBackend=e,e.prototype={evictCachesForKey:t,dispose:t,clearWebGLCaches:t,resources:{},applyFilters:function(t,e,n,r,i){var o=i.getContext("2d");o.drawImage(e,0,0,n,r);var a={sourceWidth:n,sourceHeight:r,imageData:o.getImageData(0,0,n,r),originalEl:e,originalImageData:o.getImageData(0,0,n,r),canvasEl:i,ctx:o,filterBackend:this};return t.forEach((function(t){t.applyTo(a)})),a.imageData.width===n&&a.imageData.height===r||(i.width=a.imageData.width,i.height=a.imageData.height),o.putImageData(a.imageData,0,0),a}}}(),i.Image=i.Image||{},i.Image.filters=i.Image.filters||{},i.Image.filters.BaseFilter=i.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,n){e=e||this.fragmentSource,n=n||this.vertexSource,"highp"!==i.webGlPrecision&&(e=e.replace(/precision highp float/g,"precision "+i.webGlPrecision+" float"));var r=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(r,n),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error("Vertex shader compile error for "+this.type+": "+t.getShaderInfoLog(r));var o=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(o,e),t.compileShader(o),!t.getShaderParameter(o,t.COMPILE_STATUS))throw new Error("Fragment shader compile error for "+this.type+": "+t.getShaderInfoLog(o));var a=t.createProgram();if(t.attachShader(a,r),t.attachShader(a,o),t.linkProgram(a),!t.getProgramParameter(a,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(a));var s=this.getAttributeLocations(t,a),u=this.getUniformLocations(t,a)||{};return u.uStepW=t.getUniformLocation(a,"uStepW"),u.uStepH=t.getUniformLocation(a,"uStepH"),{program:a,attributeLocations:s,uniformLocations:u}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition")}},getUniformLocations:function(){return{}},sendAttributeData:function(t,e,n){var r=e.aPosition,i=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,i),t.enableVertexAttribArray(r),t.vertexAttribPointer(r,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,n,t.STATIC_DRAW)},_setupFrameBuffer:function(t){var e,n,r=t.context;t.passes>1?(e=t.destinationWidth,n=t.destinationHeight,t.sourceWidth===e&&t.sourceHeight===n||(r.deleteTexture(t.targetTexture),t.targetTexture=t.filterBackend.createTexture(r,e,n)),r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0,r.TEXTURE_2D,t.targetTexture,0)):(r.bindFramebuffer(r.FRAMEBUFFER,null),r.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){var t=this.mainParameter,e=i.Image.filters[this.type].prototype;if(t){if(Array.isArray(e[t])){for(var n=e[t].length;n--;)if(this[t][n]!==e[t][n])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,n=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(n.program),this.sendAttributeData(e,n.attributeLocations,t.aPosition),e.uniform1f(n.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(n.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,n.uniformLocations),e.viewport(0,0,t.destinationWidth,t.destinationHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,n){t.activeTexture(n),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()}}),i.Image.filters.BaseFilter.fromObject=function(t,e){var n=new i.Image.filters[t.type](t);return e&&e(n),n},function(t){"use strict";var e=t.fabric||(t.fabric={}),n=e.Image.filters,r=e.util.createClass;n.ColorMatrix=r(n.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,n,r,i,o,a=t.imageData.data,s=a.length,u=this.matrix,c=this.colorsOnly;for(o=0;o<s;o+=4)e=a[o],n=a[o+1],r=a[o+2],c?(a[o]=e*u[0]+n*u[1]+r*u[2]+255*u[4],a[o+1]=e*u[5]+n*u[6]+r*u[7]+255*u[9],a[o+2]=e*u[10]+n*u[11]+r*u[12]+255*u[14]):(i=a[o+3],a[o]=e*u[0]+n*u[1]+r*u[2]+i*u[3]+255*u[4],a[o+1]=e*u[5]+n*u[6]+r*u[7]+i*u[8]+255*u[9],a[o+2]=e*u[10]+n*u[11]+r*u[12]+i*u[13]+255*u[14],a[o+3]=e*u[15]+n*u[16]+r*u[17]+i*u[18]+255*u[19])},getUniformLocations:function(t,e){return{uColorMatrix:t.getUniformLocation(e,"uColorMatrix"),uConstants:t.getUniformLocation(e,"uConstants")}},sendUniformData:function(t,e){var n=this.matrix,r=[n[0],n[1],n[2],n[3],n[5],n[6],n[7],n[8],n[10],n[11],n[12],n[13],n[15],n[16],n[17],n[18]],i=[n[4],n[9],n[14],n[19]];t.uniformMatrix4fv(e.uColorMatrix,!1,r),t.uniform4fv(e.uConstants,i)}}),e.Image.filters.ColorMatrix.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),n=e.Image.filters,r=e.util.createClass;n.Brightness=r(n.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,n=t.imageData.data,r=n.length,i=Math.round(255*this.brightness);for(e=0;e<r;e+=4)n[e]=n[e]+i,n[e+1]=n[e+1]+i,n[e+2]=n[e+2]+i}},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={}),n=e.util.object.extend,r=e.Image.filters,i=e.util.createClass;r.Convolute=i(r.BaseFilter,{type:"Convolute",opaque:!1,matrix:[0,0,0,0,1,0,0,0,0],fragmentSource:{Convolute_3_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_3_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_5_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_5_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_7_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_7_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_9_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_9_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}"},retrieveShader:function(t){var e=Math.sqrt(this.matrix.length),n=this.type+"_"+e+"_"+(this.opaque?1:0),r=this.fragmentSource[n];return t.programCache.hasOwnProperty(n)||(t.programCache[n]=this.createProgram(t.context,r)),t.programCache[n]},applyTo2d:function(t){var e,n,r,i,o,a,s,u,c,l,h,f,d,p=t.imageData,v=p.data,y=this.matrix,g=Math.round(Math.sqrt(y.length)),m=Math.floor(g/2),b=p.width,_=p.height,w=t.ctx.createImageData(b,_),k=w.data,x=this.opaque?1:0;for(h=0;h<_;h++)for(l=0;l<b;l++){for(o=4*(h*b+l),e=0,n=0,r=0,i=0,d=0;d<g;d++)for(f=0;f<g;f++)a=l+f-m,(s=h+d-m)<0||s>=_||a<0||a>=b||(u=4*(s*b+a),c=y[d*g+f],e+=v[u]*c,n+=v[u+1]*c,r+=v[u+2]*c,x||(i+=v[u+3]*c));k[o]=e,k[o+1]=n,k[o+2]=r,k[o+3]=x?v[o+3]:i}t.imageData=w},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 n(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={}),n=e.Image.filters,r=e.util.createClass;n.Grayscale=r(n.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,n,r=t.imageData.data,i=r.length,o=this.mode;for(e=0;e<i;e+=4)"average"===o?n=(r[e]+r[e+1]+r[e+2])/3:"lightness"===o?n=(Math.min(r[e],r[e+1],r[e+2])+Math.max(r[e],r[e+1],r[e+2]))/2:"luminosity"===o&&(n=.21*r[e]+.72*r[e+1]+.07*r[e+2]),r[e]=n,r[e+1]=n,r[e+2]=n},retrieveShader:function(t){var e=this.type+"_"+this.mode;if(!t.programCache.hasOwnProperty(e)){var n=this.fragmentSource[this.mode];t.programCache[e]=this.createProgram(t.context,n)}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={}),n=e.Image.filters,r=e.util.createClass;n.Invert=r(n.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,n=t.imageData.data,r=n.length;for(e=0;e<r;e+=4)n[e]=255-n[e],n[e+1]=255-n[e+1],n[e+2]=255-n[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={}),n=e.util.object.extend,r=e.Image.filters,i=e.util.createClass;r.Noise=i(r.BaseFilter,{type:"Noise",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uStepH;\nuniform float uNoise;\nuniform float uSeed;\nvarying vec2 vTexCoord;\nfloat rand(vec2 co, float seed, float vScale) {\nreturn fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n}\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\ngl_FragColor = color;\n}",mainParameter:"noise",noise:0,applyTo2d:function(t){if(0!==this.noise){var e,n,r=t.imageData.data,i=r.length,o=this.noise;for(e=0,i=r.length;e<i;e+=4)n=(.5-Math.random())*o,r[e]+=n,r[e+1]+=n,r[e+2]+=n}},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 n(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={}),n=e.Image.filters,r=e.util.createClass;n.Pixelate=r(n.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,n,r,i,o,a,s,u,c,l,h,f=t.imageData,d=f.data,p=f.height,v=f.width;for(n=0;n<p;n+=this.blocksize)for(r=0;r<v;r+=this.blocksize)for(i=d[e=4*n*v+4*r],o=d[e+1],a=d[e+2],s=d[e+3],l=Math.min(n+this.blocksize,p),h=Math.min(r+this.blocksize,v),u=n;u<l;u++)for(c=r;c<h;c++)d[e=4*u*v+4*c]=i,d[e+1]=o,d[e+2]=a,d[e+3]=s},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={}),n=e.util.object.extend,r=e.Image.filters,i=e.util.createClass;r.RemoveColor=i(r.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 n,r,i,o,a=t.imageData.data,s=255*this.distance,u=new e.Color(this.color).getSource(),c=[u[0]-s,u[1]-s,u[2]-s],l=[u[0]+s,u[1]+s,u[2]+s];for(n=0;n<a.length;n+=4)r=a[n],i=a[n+1],o=a[n+2],r>c[0]&&i>c[1]&&o>c[2]&&r<l[0]&&i<l[1]&&o<l[2]&&(a[n+3]=0)},getUniformLocations:function(t,e){return{uLow:t.getUniformLocation(e,"uLow"),uHigh:t.getUniformLocation(e,"uHigh")}},sendUniformData:function(t,n){var r=new e.Color(this.color).getSource(),i=parseFloat(this.distance),o=[0+r[0]/255-i,0+r[1]/255-i,0+r[2]/255-i,1],a=[r[0]/255+i,r[1]/255+i,r[2]/255+i,1];t.uniform4fv(n.uLow,o),t.uniform4fv(n.uHigh,a)},toObject:function(){return n(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={}),n=e.Image.filters,r=e.util.createClass,i={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 o in i)n[o]=r(n.ColorMatrix,{type:o,matrix:i[o],mainParameter:!1,colorsOnly:!0}),e.Image.filters[o].fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric,n=e.Image.filters,r=e.util.createClass;n.BlendColor=r(n.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,n=this.type+"_"+this.mode;return t.programCache.hasOwnProperty(n)||(e=this.buildSource(this.mode),t.programCache[n]=this.createProgram(t.context,e)),t.programCache[n]},applyTo2d:function(t){var n,r,i,o,a,s,u,c=t.imageData.data,l=c.length,h=1-this.alpha;n=(u=new e.Color(this.color).getSource())[0]*this.alpha,r=u[1]*this.alpha,i=u[2]*this.alpha;for(var f=0;f<l;f+=4)switch(o=c[f],a=c[f+1],s=c[f+2],this.mode){case"multiply":c[f]=o*n/255,c[f+1]=a*r/255,c[f+2]=s*i/255;break;case"screen":c[f]=255-(255-o)*(255-n)/255,c[f+1]=255-(255-a)*(255-r)/255,c[f+2]=255-(255-s)*(255-i)/255;break;case"add":c[f]=o+n,c[f+1]=a+r,c[f+2]=s+i;break;case"diff":case"difference":c[f]=Math.abs(o-n),c[f+1]=Math.abs(a-r),c[f+2]=Math.abs(s-i);break;case"subtract":c[f]=o-n,c[f+1]=a-r,c[f+2]=s-i;break;case"darken":c[f]=Math.min(o,n),c[f+1]=Math.min(a,r),c[f+2]=Math.min(s,i);break;case"lighten":c[f]=Math.max(o,n),c[f+1]=Math.max(a,r),c[f+2]=Math.max(s,i);break;case"overlay":c[f]=n<128?2*o*n/255:255-2*(255-o)*(255-n)/255,c[f+1]=r<128?2*a*r/255:255-2*(255-a)*(255-r)/255,c[f+2]=i<128?2*s*i/255:255-2*(255-s)*(255-i)/255;break;case"exclusion":c[f]=n+o-2*n*o/255,c[f+1]=r+a-2*r*a/255,c[f+2]=i+s-2*i*s/255;break;case"tint":c[f]=n+o*h,c[f+1]=r+a*h,c[f+2]=i+s*h}},getUniformLocations:function(t,e){return{uColor:t.getUniformLocation(e,"uColor")}},sendUniformData:function(t,n){var r=new e.Color(this.color).getSource();r[0]=this.alpha*r[0]/255,r[1]=this.alpha*r[1]/255,r[2]=this.alpha*r[2]/255,r[3]=this.alpha,t.uniform4fv(n.uColor,r)},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,n=e.Image.filters,r=e.util.createClass;n.BlendImage=r(n.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,n=this.fragmentSource[this.mode];return t.programCache.hasOwnProperty(e)||(t.programCache[e]=this.createProgram(t.context,n)),t.programCache[e]},applyToWebGL:function(t){var e=t.context,n=this.createTexture(t.filterBackend,this.image);this.bindAdditionalTexture(e,n,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,n=t._element.height;return[1/t.scaleX,0,0,0,1/t.scaleY,0,-t.left/e,-t.top/n,1]},applyTo2d:function(t){var n,r,i,o,a,s,u,c,l,h,f,d=t.imageData,p=t.filterBackend.resources,v=d.data,y=v.length,g=d.width,m=d.height,b=this.image;p.blendImage||(p.blendImage=e.util.createCanvasElement()),h=(l=p.blendImage).getContext("2d"),l.width!==g||l.height!==m?(l.width=g,l.height=m):h.clearRect(0,0,g,m),h.setTransform(b.scaleX,0,0,b.scaleY,b.left,b.top),h.drawImage(b._element,0,0,g,m),f=h.getImageData(0,0,g,m).data;for(var _=0;_<y;_+=4)switch(a=v[_],s=v[_+1],u=v[_+2],c=v[_+3],n=f[_],r=f[_+1],i=f[_+2],o=f[_+3],this.mode){case"multiply":v[_]=a*n/255,v[_+1]=s*r/255,v[_+2]=u*i/255,v[_+3]=c*o/255;break;case"mask":v[_+3]=o}},getUniformLocations:function(t,e){return{uTransformMatrix:t.getUniformLocation(e,"uTransformMatrix"),uImage:t.getUniformLocation(e,"uImage")}},sendUniformData:function(t,e){var n=this.calculateMatrix();t.uniform1i(e.uImage,1),t.uniformMatrix3fv(e.uTransformMatrix,!1,n)},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,n){e.Image.fromObject(t.image,(function(r){var i=e.util.object.clone(t);i.image=r,n(new e.Image.filters.BlendImage(i))}))}}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),n=Math.pow,r=Math.floor,i=Math.sqrt,o=Math.abs,a=Math.round,s=Math.sin,u=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(),n=this.type+"_"+e;if(!t.programCache.hasOwnProperty(n)){var r=this.generateShader(e);t.programCache[n]=this.createProgram(t.context,r)}return t.programCache[n]},getFilterWindow:function(){var t=this.tempScale;return Math.ceil(this.lanczosLobes/t)},getTaps:function(){for(var t=this.lanczosCreate(this.lanczosLobes),e=this.tempScale,n=this.getFilterWindow(),r=new Array(n),i=1;i<=n;i++)r[i-1]=t(i*e);return r},generateShader:function(t){for(var e=new Array(t),n=this.fragmentSourceTOP,r=1;r<=t;r++)e[r-1]=r+".0 * uDelta";return n+="uniform float uTaps["+t+"];\n",n+="void main() {\n",n+="  vec4 color = texture2D(uTexture, vTexCoord);\n",n+="  float sum = 1.0;\n",e.forEach((function(t,e){n+="  color += texture2D(uTexture, vTexCoord + "+t+") * uTaps["+e+"];\n",n+="  color += texture2D(uTexture, vTexCoord - "+t+") * uTaps["+e+"];\n",n+="  sum += 2.0 * uTaps["+e+"];\n"})),n+="  gl_FragColor = color / sum;\n",n+="}"},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 n=(e*=Math.PI)/t;return s(e)/e*s(n)/n}},applyTo2d:function(t){var e=t.imageData,n=this.scaleX,r=this.scaleY;this.rcpScaleX=1/n,this.rcpScaleY=1/r;var i,o=e.width,s=e.height,u=a(o*n),c=a(s*r);"sliceHack"===this.resizeType?i=this.sliceByTwo(t,o,s,u,c):"hermite"===this.resizeType?i=this.hermiteFastResize(t,o,s,u,c):"bilinear"===this.resizeType?i=this.bilinearFiltering(t,o,s,u,c):"lanczos"===this.resizeType&&(i=this.lanczosResize(t,o,s,u,c)),t.imageData=i},sliceByTwo:function(t,n,i,o,a){var s,u,c=t.imageData,l=!1,h=!1,f=.5*n,d=.5*i,p=e.filterBackend.resources,v=0,y=0,g=n,m=0;for(p.sliceByTwo||(p.sliceByTwo=document.createElement("canvas")),((s=p.sliceByTwo).width<1.5*n||s.height<i)&&(s.width=1.5*n,s.height=i),(u=s.getContext("2d")).clearRect(0,0,1.5*n,i),u.putImageData(c,0,0),o=r(o),a=r(a);!l||!h;)n=f,i=d,o<r(.5*f)?f=r(.5*f):(f=o,l=!0),a<r(.5*d)?d=r(.5*d):(d=a,h=!0),u.drawImage(s,v,y,n,i,g,m,f,d),v=g,y=m,m+=d;return u.getImageData(v,y,o,a)},lanczosResize:function(t,e,a,s,c){var l=t.imageData.data,h=t.ctx.createImageData(s,c),f=h.data,d=this.lanczosCreate(this.lanczosLobes),p=this.rcpScaleX,v=this.rcpScaleY,y=2/this.rcpScaleX,g=2/this.rcpScaleY,m=u(p*this.lanczosLobes/2),b=u(v*this.lanczosLobes/2),_={},w={},k={};return function t(u){var x,S,T,C,O,E,I,A,D,P,M;for(w.x=(u+.5)*p,k.x=r(w.x),x=0;x<c;x++){for(w.y=(x+.5)*v,k.y=r(w.y),O=0,E=0,I=0,A=0,D=0,S=k.x-m;S<=k.x+m;S++)if(!(S<0||S>=e)){P=r(1e3*o(S-w.x)),_[P]||(_[P]={});for(var B=k.y-b;B<=k.y+b;B++)B<0||B>=a||(M=r(1e3*o(B-w.y)),_[P][M]||(_[P][M]=d(i(n(P*y,2)+n(M*g,2))/1e3)),(T=_[P][M])>0&&(O+=T,E+=T*l[C=4*(B*e+S)],I+=T*l[C+1],A+=T*l[C+2],D+=T*l[C+3]))}f[C=4*(x*s+u)]=E/O,f[C+1]=I/O,f[C+2]=A/O,f[C+3]=D/O}return++u<s?t(u):h}(0)},bilinearFiltering:function(t,e,n,i,o){var a,s,u,c,l,h,f,d,p,v=0,y=this.rcpScaleX,g=this.rcpScaleY,m=4*(e-1),b=t.imageData.data,_=t.ctx.createImageData(i,o),w=_.data;for(u=0;u<o;u++)for(c=0;c<i;c++)for(l=y*c-(a=r(y*c)),h=g*u-(s=r(g*u)),p=4*(s*e+a),f=0;f<4;f++)d=b[p+f]*(1-l)*(1-h)+b[p+4+f]*l*(1-h)+b[p+m+f]*h*(1-l)+b[p+m+4+f]*l*h,w[v++]=d;return _},hermiteFastResize:function(t,e,n,a,s){for(var c=this.rcpScaleX,l=this.rcpScaleY,h=u(c/2),f=u(l/2),d=t.imageData.data,p=t.ctx.createImageData(a,s),v=p.data,y=0;y<s;y++)for(var g=0;g<a;g++){for(var m=4*(g+y*a),b=0,_=0,w=0,k=0,x=0,S=0,T=0,C=(y+.5)*l,O=r(y*l);O<(y+1)*l;O++)for(var E=o(C-(O+.5))/f,I=(g+.5)*c,A=E*E,D=r(g*c);D<(g+1)*c;D++){var P=o(I-(D+.5))/h,M=i(A+P*P);M>1&&M<-1||(b=2*M*M*M-3*M*M+1)>0&&(T+=b*d[(P=4*(D+O*e))+3],w+=b,d[P+3]<255&&(b=b*d[P+3]/250),k+=b*d[P],x+=b*d[P+1],S+=b*d[P+2],_+=b)}v[m]=k/_,v[m+1]=x/_,v[m+2]=S/_,v[m+3]=T/w}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={}),n=e.Image.filters,r=e.util.createClass;n.Contrast=r(n.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,n=t.imageData.data,r=n.length,i=Math.floor(255*this.contrast),o=259*(i+255)/(255*(259-i));for(e=0;e<r;e+=4)n[e]=o*(n[e]-128)+128,n[e+1]=o*(n[e+1]-128)+128,n[e+2]=o*(n[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={}),n=e.Image.filters,r=e.util.createClass;n.Saturation=r(n.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,n,r=t.imageData.data,i=r.length,o=-this.saturation;for(e=0;e<i;e+=4)n=Math.max(r[e],r[e+1],r[e+2]),r[e]+=n!==r[e]?(n-r[e])*o:0,r[e+1]+=n!==r[e+1]?(n-r[e+1])*o:0,r[e+2]+=n!==r[e+2]?(n-r[e+2])*o: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={}),n=e.Image.filters,r=e.util.createClass;n.Blur=r(n.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 n,r,i=t.filterBackend.resources,o=t.imageData.width,a=t.imageData.height;i.blurLayer1||(i.blurLayer1=e.util.createCanvasElement(),i.blurLayer2=e.util.createCanvasElement()),n=i.blurLayer1,r=i.blurLayer2,n.width===o&&n.height===a||(r.width=n.width=o,r.height=n.height=a);var s,u,c,l,h=n.getContext("2d"),f=r.getContext("2d"),d=.06*this.blur*.5;for(h.putImageData(t.imageData,0,0),f.clearRect(0,0,o,a),l=-15;l<=15;l++)c=d*(u=l/15)*o+(s=(Math.random()-.5)/4),f.globalAlpha=1-Math.abs(u),f.drawImage(n,c,s),h.drawImage(r,0,0),f.globalAlpha=1,f.clearRect(0,0,r.width,r.height);for(l=-15;l<=15;l++)c=d*(u=l/15)*a+(s=(Math.random()-.5)/4),f.globalAlpha=1-Math.abs(u),f.drawImage(n,s,c),h.drawImage(r,0,0),f.globalAlpha=1,f.clearRect(0,0,r.width,r.height);t.ctx.drawImage(n,0,0);var p=t.ctx.getImageData(0,0,n.width,n.height);return h.globalAlpha=1,h.clearRect(0,0,n.width,n.height),p},getUniformLocations:function(t,e){return{delta:t.getUniformLocation(e,"uDelta")}},sendUniformData:function(t,e){var n=this.chooseRightDelta();t.uniform2fv(e.delta,n)},chooseRightDelta:function(){var t,e=1,n=[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?n[0]=t:n[1]=t,n}}),n.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),n=e.Image.filters,r=e.util.createClass;n.Gamma=r(n.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],n.BaseFilter.prototype.initialize.call(this,t)},applyTo2d:function(t){var e,n=t.imageData.data,r=this.gamma,i=n.length,o=1/r[0],a=1/r[1],s=1/r[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,i=256;e<i;e++)this.rVals[e]=255*Math.pow(e/255,o),this.gVals[e]=255*Math.pow(e/255,a),this.bVals[e]=255*Math.pow(e/255,s);for(e=0,i=n.length;e<i;e+=4)n[e]=this.rVals[n[e]],n[e+1]=this.gVals[n[e+1]],n[e+2]=this.bVals[n[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={}),n=e.Image.filters,r=e.util.createClass;n.Composed=r(n.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,n){var r=(t.subFilters||[]).map((function(t){return new e.Image.filters[t.type](t)})),i=new e.Image.filters.Composed({subFilters:r});return n&&n(i),i}}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),n=e.Image.filters,r=e.util.createClass;n.HueRotation=r(n.ColorMatrix,{type:"HueRotation",rotation:0,mainParameter:"rotation",calculateMatrix:function(){var t=this.rotation*Math.PI,n=e.util.cos(t),r=e.util.sin(t),i=Math.sqrt(1/3)*r,o=1-n;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]=n+o/3,this.matrix[1]=1/3*o-i,this.matrix[2]=1/3*o+i,this.matrix[5]=1/3*o+i,this.matrix[6]=n+1/3*o,this.matrix[7]=1/3*o-i,this.matrix[10]=1/3*o-i,this.matrix[11]=1/3*o+i,this.matrix[12]=n+1/3*o},isNeutralState:function(t){return this.calculateMatrix(),n.BaseFilter.prototype.isNeutralState.call(this,t)},applyTo:function(t){this.calculateMatrix(),n.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={}),n=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,n,r,i,o,a,s=0,u=this._textLines.length;s<u;s++)if(("justify"===this.textAlign||s!==u-1&&!this.isEndOfWrapping(s))&&(r=0,i=this._textLines[s],(e=this.getLineWidth(s))<this.width&&(a=this.textLines[s].match(this._reSpacesAndTabs)))){n=a.length,t=(this.width-e)/n;for(var c=0,l=i.length;c<=l;c++)o=this.__charBounds[s][c],this._reSpaceAndTab.test(i[c])?(o.width+=t,o.kernedWidth+=t,o.left+=r,r+=t):o.left+=r}},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,n){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,n)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,n=this._textLines.length;e<n;e++){var r=this.getLineWidth(e);r>t&&(t=r)}return t},_renderTextLine:function(t,e,n,r,i,o){this._renderChars(t,e,n,r,i,o)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,n,r,i,o,a,s=0,u=t.fillStyle,c=this._getLeftOffset(),l=this._getTopOffset(),h=0,f=0,d=0,p=this._textLines.length;d<p;d++)if(e=this.getHeightOfLine(d),this.textBackgroundColor||this.styleHas("textBackgroundColor",d)){r=this._textLines[d],n=this._getLineLeftOffset(d),f=0,h=0,i=this.getValueOfPropertyAt(d,0,"textBackgroundColor");for(var v=0,y=r.length;v<y;v++)o=this.__charBounds[d][v],(a=this.getValueOfPropertyAt(d,v,"textBackgroundColor"))!==i?(t.fillStyle=i,i&&t.fillRect(c+n+h,l+s,f,e/this.lineHeight),h=o.left,f=o.width,i=a):f+=o.kernedWidth;a&&(t.fillStyle=a,t.fillRect(c+n+h,l+s,f,e/this.lineHeight)),s+=e}else s+=e;t.fillStyle=u,this._removeShadow(t)}},getFontCache:function(t){var n=t.fontFamily.toLowerCase();e.charWidthsCache[n]||(e.charWidthsCache[n]={});var r=e.charWidthsCache[n],i=t.fontStyle.toLowerCase()+"_"+(t.fontWeight+"").toLowerCase();return r[i]||(r[i]={}),r[i]},_applyCharStyles:function(t,e,n,r,i){this._setFillStyles(e,i),this._setStrokeStyles(e,i),e.font=this._getFontDeclaration(i)},_measureChar:function(t,e,n,r){var i,o,a,s,u=this.getFontCache(e),c=n+t,l=this._getFontDeclaration(e)===this._getFontDeclaration(r),h=e.fontSize/this.CACHE_FONT_SIZE;if(n&&void 0!==u[n]&&(a=u[n]),void 0!==u[t]&&(s=i=u[t]),l&&void 0!==u[c]&&(s=(o=u[c])-a),void 0===i||void 0===a||void 0===o){var f=this.getMeasuringContext();this._setTextStyles(f,e,!0)}return void 0===i&&(s=i=f.measureText(t).width,u[t]=i),void 0===a&&l&&n&&(a=f.measureText(n).width,u[n]=a),l&&void 0===o&&(o=f.measureText(c).width,u[c]=o,s=o-a),{width:i*h,kernedWidth:s*h}},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,n,r,i,o=0,a=this._textLines[t],s=new Array(a.length);for(this.__charBounds[t]=s,e=0;e<a.length;e++)n=a[e],i=this._getGraphemeBox(n,t,e,r),s[e]=i,o+=i.kernedWidth,r=n;return s[e]={left:i?i.left+i.width:0,width:0,kernedWidth:0,height:this.fontSize},{width:o,numOfSpaces:0}},_getGraphemeBox:function(t,e,n,r,i){var o,a=this.getCompleteStyleDeclaration(e,n),s=r?this.getCompleteStyleDeclaration(e,n-1):{},u=this._measureChar(t,a,r,s),c=u.kernedWidth,l=u.width;0!==this.charSpacing&&(l+=o=this._getWidthOfCharSpacing(),c+=o);var h={width:l,left:0,height:a.fontSize,kernedWidth:c,deltaY:a.deltaY};if(n>0&&!i){var f=this.__charBounds[e][n-1];h.left=f.left+f.width+u.kernedWidth-u.width}return h},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],n=this.getHeightOfChar(t,0),r=1,i=e.length;r<i;r++)n=Math.max(this.getHeightOfChar(t,r),n);return this.__lineHeights[t]=n*this.lineHeight*this._fontSizeMult},calcTextHeight:function(){for(var t,e=0,n=0,r=this._textLines.length;n<r;n++)t=this.getHeightOfLine(n),e+=n===r-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 n=-this.width/2+e.offsetX||0,r=-this.height/2+e.offsetY||0;return t.transform(1,0,0,1,n,r),{offsetX:n,offsetY:r}},_renderTextCommon:function(t,e){t.save();for(var n=0,r=this._getLeftOffset(),i=this._getTopOffset(),o=this._applyPatternGradientTransform(t,"fillText"===e?this.fill:this.stroke),a=0,s=this._textLines.length;a<s;a++){var u=this.getHeightOfLine(a),c=u/this.lineHeight,l=this._getLineLeftOffset(a);this._renderTextLine(e,t,this._textLines[a],r+l-o.offsetX,i+n+c-o.offsetY,a),n+=u}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,n,r,i,o){var a,s,u,c,l=this.getHeightOfLine(o),h=-1!==this.textAlign.indexOf("justify"),f="",d=0,p=!h&&0===this.charSpacing&&this.isEmptyStyles(o);if(e.save(),i-=l*this._fontSizeFraction/this.lineHeight,p)return this._renderChar(t,e,o,0,this.textLines[o],r,i,l),void e.restore();for(var v=0,y=n.length-1;v<=y;v++)c=v===y||this.charSpacing,f+=n[v],u=this.__charBounds[o][v],0===d?(r+=u.kernedWidth-u.width,d+=u.width):d+=u.kernedWidth,h&&!c&&this._reSpaceAndTab.test(n[v])&&(c=!0),c||(a=a||this.getCompleteStyleDeclaration(o,v),s=this.getCompleteStyleDeclaration(o,v+1),c=this._hasStyleChanged(a,s)),c&&(this._renderChar(t,e,o,v,f,r,i,l),f="",a=s,r+=d,d=0);e.restore()},_renderChar:function(t,e,n,r,i,o,a){var s=this._getStyleDeclaration(n,r),u=this.getCompleteStyleDeclaration(n,r),c="fillText"===t&&u.fill,l="strokeText"===t&&u.stroke&&u.strokeWidth;(l||c)&&(s&&e.save(),this._applyCharStyles(t,e,n,r,u),s&&s.textBackgroundColor&&this._removeShadow(e),s&&s.deltaY&&(a+=s.deltaY),c&&e.fillText(i,o,a),l&&e.strokeText(i,o,a),s&&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,n){var r=this.get2DCursorLocation(t,!0),i=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,"fontSize"),o=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,"deltaY"),a={fontSize:i*n.size,deltaY:o+i*n.baseline};return this.setSelectionStyles(a,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,n){var r=this._getStyleDeclaration(t,e);return r&&"undefined"!==typeof r[n]?r[n]:this[n]},_renderTextDecoration:function(t,e){if(this[e]||this.styleHas(e)){for(var n,r,i,o,a,s,u,c,l,h,f,d,p,v,y,g,m=this._getLeftOffset(),b=this._getTopOffset(),_=this._getWidthOfCharSpacing(),w=0,k=this._textLines.length;w<k;w++)if(n=this.getHeightOfLine(w),this[e]||this.styleHas(e,w)){u=this._textLines[w],v=n/this.lineHeight,o=this._getLineLeftOffset(w),h=0,f=0,c=this.getValueOfPropertyAt(w,0,e),g=this.getValueOfPropertyAt(w,0,"fill"),l=b+v*(1-this._fontSizeFraction),r=this.getHeightOfChar(w,0),a=this.getValueOfPropertyAt(w,0,"deltaY");for(var x=0,S=u.length;x<S;x++)d=this.__charBounds[w][x],p=this.getValueOfPropertyAt(w,x,e),y=this.getValueOfPropertyAt(w,x,"fill"),i=this.getHeightOfChar(w,x),s=this.getValueOfPropertyAt(w,x,"deltaY"),(p!==c||y!==g||i!==r||s!==a)&&f>0?(t.fillStyle=g,c&&g&&t.fillRect(m+o+h,l+this.offsets[e]*r+a,f,this.fontSize/15),h=d.left,f=d.width,c=p,g=y,r=i,a=s):f+=d.kernedWidth;t.fillStyle=y,p&&y&&t.fillRect(m+o+h,l+this.offsets[e]*r+a,f-_,this.fontSize/15),b+=n}else b+=n;this._removeShadow(t)}},_getFontDeclaration:function(t,n){var r=t||this,i=this.fontFamily,o=e.Text.genericFonts.indexOf(i.toLowerCase())>-1,a=void 0===i||i.indexOf("'")>-1||i.indexOf(",")>-1||i.indexOf('"')>-1||o?r.fontFamily:'"'+r.fontFamily+'"';return[e.isLikelyNode?r.fontWeight:r.fontStyle,e.isLikelyNode?r.fontStyle:r.fontWeight,n?this.CACHE_FONT_SIZE+"px":r.fontSize+"px",a].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 n=t.split(this._reNewline),r=new Array(n.length),i=["\n"],o=[],a=0;a<n.length;a++)r[a]=e.util.string.graphemeSplit(n[a]),o=o.concat(r[a],i);return o.pop(),{_unwrappedLines:r,lines:n,graphemeText:o,graphemeLines:r}},toObject:function(t){var e=["text","fontSize","fontWeight","fontFamily","fontStyle","lineHeight","underline","overline","linethrough","textAlign","textBackgroundColor","charSpacing"].concat(t),r=this.callSuper("toObject",e);return r.styles=n(this.styles,!0),r},set:function(t,e){this.callSuper("set",t,e);var n=!1;if("object"===typeof t)for(var r in t)n=n||-1!==this._dimensionAffectingProps.indexOf(r);else n=-1!==this._dimensionAffectingProps.indexOf(t);return n&&(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,r,i){if(!t)return r(null);var o=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES),a=o.textAnchor||"left";if((i=e.util.object.extend(i?n(i):{},o)).top=i.top||0,i.left=i.left||0,o.textDecoration){var s=o.textDecoration;-1!==s.indexOf("underline")&&(i.underline=!0),-1!==s.indexOf("overline")&&(i.overline=!0),-1!==s.indexOf("line-through")&&(i.linethrough=!0),delete i.textDecoration}"dx"in o&&(i.left+=o.dx),"dy"in o&&(i.top+=o.dy),"fontSize"in i||(i.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE);var u="";"textContent"in t?u=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(u=t.firstChild.data),u=u.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var c=i.strokeWidth;i.strokeWidth=0;var l=new e.Text(u,i),h=l.getScaledHeight()/l.height,f=((l.height+l.strokeWidth)*l.lineHeight-l.height)*h,d=l.getScaledHeight()+f,p=0;"center"===a&&(p=l.getScaledWidth()/2),"right"===a&&(p=l.getScaledWidth()),l.set({left:l.left-p,top:l.top-(d-l.fontSize*(.07+l._fontSizeFraction))/l.lineHeight,strokeWidth:"undefined"!==typeof c?c:1}),r(l)},e.Text.fromObject=function(t,n){return e.Object._fromObject("Text",t,n,"text")},e.Text.genericFonts=["sans-serif","serif","cursive","fantasy","monospace"],e.util.createAccessors&&e.util.createAccessors(e.Text))}(e),i.util.object.extend(i.Text.prototype,{isEmptyStyles:function(t){if(!this.styles)return!0;if("undefined"!==typeof t&&!this.styles[t])return!0;var e="undefined"===typeof t?this.styles:{line:this.styles[t]};for(var n in e)for(var r in e[n])for(var i in e[n][r])return!1;return!0},styleHas:function(t,e){if(!this.styles||!t||""===t)return!1;if("undefined"!==typeof e&&!this.styles[e])return!1;var n="undefined"===typeof e?this.styles:{0:this.styles[e]};for(var r in n)for(var i in n[r])if("undefined"!==typeof n[r][i][t])return!0;return!1},cleanStyle:function(t){if(!this.styles||!t||""===t)return!1;var e,n,r=this.styles,i=0,o=!0,a=0;for(var s in r){for(var u in e=0,r[s]){var c;i++,(c=r[s][u]).hasOwnProperty(t)?(n?c[t]!==n&&(o=!1):n=c[t],c[t]===this[t]&&delete c[t]):o=!1,0!==Object.keys(c).length?e++:delete r[s][u]}0===e&&delete r[s]}for(var l=0;l<this._textLines.length;l++)a+=this._textLines[l].length;o&&i===a&&(this[t]=n,this.removeStyle(t))},removeStyle:function(t){if(this.styles&&t&&""!==t){var e,n,r,i=this.styles;for(n in i){for(r in e=i[n])delete e[r][t],0===Object.keys(e[r]).length&&delete e[r];0===Object.keys(e).length&&delete i[n]}}},_extendStyles:function(t,e){var n=this.get2DCursorLocation(t);this._getLineStyle(n.lineIndex)||this._setLineStyle(n.lineIndex),this._getStyleDeclaration(n.lineIndex,n.charIndex)||this._setStyleDeclaration(n.lineIndex,n.charIndex,{}),i.util.object.extend(this._getStyleDeclaration(n.lineIndex,n.charIndex),e)},get2DCursorLocation:function(t,e){"undefined"===typeof t&&(t=this.selectionStart);for(var n=e?this._unwrappedTextLines:this._textLines,r=n.length,i=0;i<r;i++){if(t<=n[i].length)return{lineIndex:i,charIndex:t};t-=n[i].length+this.missingNewlineOffset(i)}return{lineIndex:i-1,charIndex:n[i-1].length<t?n[i-1].length:t}},getSelectionStyles:function(t,e,n){"undefined"===typeof t&&(t=this.selectionStart||0),"undefined"===typeof e&&(e=this.selectionEnd||t);for(var r=[],i=t;i<e;i++)r.push(this.getStyleAtPosition(i,n));return r},getStyleAtPosition:function(t,e){var n=this.get2DCursorLocation(t);return(e?this.getCompleteStyleDeclaration(n.lineIndex,n.charIndex):this._getStyleDeclaration(n.lineIndex,n.charIndex))||{}},setSelectionStyles:function(t,e,n){"undefined"===typeof e&&(e=this.selectionStart||0),"undefined"===typeof n&&(n=this.selectionEnd||e);for(var r=e;r<n;r++)this._extendStyles(r,t);return this._forceClearCache=!0,this},_getStyleDeclaration:function(t,e){var n=this.styles&&this.styles[t];return n?n[e]:null},getCompleteStyleDeclaration:function(t,e){for(var n,r=this._getStyleDeclaration(t,e)||{},i={},o=0;o<this._styleProperties.length;o++)i[n=this._styleProperties[o]]="undefined"===typeof r[n]?this[n]:r[n];return i},_setStyleDeclaration:function(t,e,n){this.styles[t][e]=n},_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)}i.IText=i.util.createClass(i.Text,i.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,n=this.canvas.viewportTransform;e.save(),e.transform(n[0],n[1],n[2],n[3],n[4],n[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,n=this.height+4;t.clearRect(-e/2,-n/2,e,n)},_getCursorBoundaries:function(t){"undefined"===typeof t&&(t=this.selectionStart);var e=this._getLeftOffset(),n=this._getTopOffset(),r=this._getCursorBoundariesOffsets(t);return{left:e,top:n,leftOffset:r.left,topOffset:r.top}},_getCursorBoundariesOffsets:function(t){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache)return this.cursorOffsetCache;var e,n,r,i,o=0,a=0,s=this.get2DCursorLocation(t);r=s.charIndex,n=s.lineIndex;for(var u=0;u<n;u++)o+=this.getHeightOfLine(u);e=this._getLineLeftOffset(n);var c=this.__charBounds[n][r];return c&&(a=c.left),0!==this.charSpacing&&r===this._textLines[n].length&&(a-=this._getWidthOfCharSpacing()),i={top:o,left:e+(a>0?a:0)},this.cursorOffsetCache=i,this.cursorOffsetCache},renderCursor:function(t,e){var n=this.get2DCursorLocation(),r=n.lineIndex,i=n.charIndex>0?n.charIndex-1:0,o=this.getValueOfPropertyAt(r,i,"fontSize"),a=this.scaleX*this.canvas.getZoom(),s=this.cursorWidth/a,u=t.topOffset,c=this.getValueOfPropertyAt(r,i,"deltaY");u+=(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-o*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.getValueOfPropertyAt(r,i,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-s/2,u+t.top+c,s,o)},renderSelection:function(t,e){for(var n=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,r=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,i=-1!==this.textAlign.indexOf("justify"),o=this.get2DCursorLocation(n),a=this.get2DCursorLocation(r),s=o.lineIndex,u=a.lineIndex,c=o.charIndex<0?0:o.charIndex,l=a.charIndex<0?0:a.charIndex,h=s;h<=u;h++){var f,d=this._getLineLeftOffset(h)||0,p=this.getHeightOfLine(h),v=0,y=0;if(h===s&&(v=this.__charBounds[s][c].left),h>=s&&h<u)y=i&&!this.isEndOfWrapping(h)?this.width:this.getLineWidth(h)||5;else if(h===u)if(0===l)y=this.__charBounds[u][l].left;else{var g=this._getWidthOfCharSpacing();y=this.__charBounds[u][l-1].left+this.__charBounds[u][l-1].width-g}f=p,(this.lineHeight<1||h===u&&this.lineHeight>1)&&(p/=this.lineHeight),this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",e.fillRect(t.left+d+v,t.top+t.topOffset+p,y-v,1)):(e.fillStyle=this.selectionColor,e.fillRect(t.left+d+v,t.top+t.topOffset,y-v,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}}}),i.IText.fromObject=function(e,n){if(t(e),e.styles)for(var r in e.styles)for(var o in e.styles[r])t(e.styles[r][o]);i.Object._fromObject("IText",e,n,"text")}}(),function(){var t=i.util.object.clone;i.util.object.extend(i.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||[],i.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,n,r){var i;return i={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:n,onComplete:function(){i.isAborted||t[r]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return i.isAborted}}),i},_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,n=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout((function(){e._tick()}),n)},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,n=t-1;if(this._reSpace.test(this._text[n]))for(;this._reSpace.test(this._text[n]);)e++,n--;for(;/\S/.test(this._text[n])&&n>-1;)e++,n--;return t-e},findWordBoundaryRight:function(t){var e=0,n=t;if(this._reSpace.test(this._text[n]))for(;this._reSpace.test(this._text[n]);)e++,n++;for(;/\S/.test(this._text[n])&&n<this._text.length;)e++,n++;return t+e},findLineBoundaryLeft:function(t){for(var e=0,n=t-1;!/\n/.test(this._text[n])&&n>-1;)e++,n--;return t-e},findLineBoundaryRight:function(t){for(var e=0,n=t;!/\n/.test(this._text[n])&&n<this._text.length;)e++,n++;return t+e},searchWordBoundary:function(t,e){for(var n=this._text,r=this._reSpace.test(n[t])?t-1:t,o=n[r],a=i.reNonWord;!a.test(o)&&r>0&&r<n.length;)o=n[r+=e];return a.test(o)&&(r+=1===e?0:1),r},selectWord:function(t){t=t||this.selectionStart;var e=this.searchWordBoundary(t,-1),n=this.searchWordBoundary(t,1);this.selectionStart=e,this.selectionEnd=n,this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()},selectLine:function(t){t=t||this.selectionStart;var e=this.findLineBoundaryLeft(t),n=this.findLineBoundaryRight(t);return this.selectionStart=e,this.selectionEnd=n,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),n=this.selectionStart,r=this.selectionEnd;(e===this.__selectionStartOnMouseDown&&n!==r||n!==e&&r!==e)&&(e>this.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===n&&this.selectionEnd===r||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,n){var r=n.slice(0,t),o=i.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:o,selectionEnd:o};var a=n.slice(t,e);return{selectionStart:o,selectionEnd:o+i.util.string.graphemeSplit(a).length}},fromGraphemeToStringSelection:function(t,e,n){var r=n.slice(0,t).join("").length;return t===e?{selectionStart:r,selectionEnd:r}:{selectionStart:r,selectionEnd:r+n.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),n=this.get2DCursorLocation(t),r=n.lineIndex,o=n.charIndex,a=this.getValueOfPropertyAt(r,o,"fontSize")*this.lineHeight,s=e.leftOffset,u=this.calcTransformMatrix(),c={x:e.left+s,y:e.top+e.topOffset+a},l=this.canvas.getRetinaScaling(),h=this.canvas.upperCanvasEl,f=h.width/l,d=h.height/l,p=f-a,v=d-a,y=h.clientWidth/f,g=h.clientHeight/d;return c=i.util.transformPoint(c,u),(c=i.util.transformPoint(c,this.canvas.viewportTransform)).x*=y,c.y*=g,c.x<0&&(c.x=0),c.x>p&&(c.x=p),c.y<0&&(c.y=0),c.y>v&&(c.y=v),c.x+=this.canvas._offset.left,c.y+=this.canvas._offset.top,{left:c.x+"px",top:c.y+"px",fontSize:a+"px",charHeight:a}},_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,e=this.hiddenTextarea;return this.selected=!1,this.isEditing=!1,this.selectionEnd=this.selectionStart,e&&(e.blur&&e.blur(),e.parentNode&&e.parentNode.removeChild(e)),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 n,r,i=this.get2DCursorLocation(t,!0),o=this.get2DCursorLocation(e,!0),a=i.lineIndex,s=i.charIndex,u=o.lineIndex,c=o.charIndex;if(a!==u){if(this.styles[a])for(n=s;n<this._unwrappedTextLines[a].length;n++)delete this.styles[a][n];if(this.styles[u])for(n=c;n<this._unwrappedTextLines[u].length;n++)(r=this.styles[u][n])&&(this.styles[a]||(this.styles[a]={}),this.styles[a][s+n-c]=r);for(n=a+1;n<=u;n++)delete this.styles[n];this.shiftLineStyles(u,a-u)}else if(this.styles[a]){r=this.styles[a];var l,h,f=c-s;for(n=s;n<c;n++)delete r[n];for(h in this.styles[a])(l=parseInt(h,10))>=c&&(r[l-f]=r[h],delete r[h])}},shiftLineStyles:function(e,n){var r=t(this.styles);for(var i in this.styles){var o=parseInt(i,10);o>e&&(this.styles[o+n]=r[o],r[o-n]||delete this.styles[o])}},restartCursorIfNeeded:function(){this._currentTickState&&!this._currentTickState.isAborted&&this._currentTickCompleteState&&!this._currentTickCompleteState.isAborted||this.initDelayedCursor()},insertNewlineStyleObject:function(e,n,r,i){var o,a={},s=!1,u=this._unwrappedTextLines[e].length===n;for(var c in r||(r=1),this.shiftLineStyles(e,r),this.styles[e]&&(o=this.styles[e][0===n?n:n-1]),this.styles[e]){var l=parseInt(c,10);l>=n&&(s=!0,a[l-n]=this.styles[e][c],u&&0===n||delete this.styles[e][c])}var h=!1;for(s&&!u&&(this.styles[e+r]=a,h=!0),h&&r--;r>0;)i&&i[r-1]?this.styles[e+r]={0:t(i[r-1])}:o?this.styles[e+r]={0:t(o)}:delete this.styles[e+r],r--;this._forceClearCache=!0},insertCharStyleObject:function(e,n,r,i){this.styles||(this.styles={});var o=this.styles[e],a=o?t(o):{};for(var s in r||(r=1),a){var u=parseInt(s,10);u>=n&&(o[u+r]=a[u],a[u-r]||delete o[u])}if(this._forceClearCache=!0,i)for(;r--;)Object.keys(i[r]).length&&(this.styles[e]||(this.styles[e]={}),this.styles[e][n+r]=t(i[r]));else if(o)for(var c=o[n?n-1:1];c&&r--;)this.styles[e][n+r]=t(c)},insertNewStyleBlock:function(t,e,n){for(var r=this.get2DCursorLocation(e,!0),i=[0],o=0,a=0;a<t.length;a++)"\n"===t[a]?i[++o]=0:i[o]++;i[0]>0&&(this.insertCharStyleObject(r.lineIndex,r.charIndex,i[0],n),n=n&&n.slice(i[0]+1)),o&&this.insertNewlineStyleObject(r.lineIndex,r.charIndex+i[0],o);for(a=1;a<o;a++)i[a]>0?this.insertCharStyleObject(r.lineIndex+a,0,i[a],n):n&&(this.styles[r.lineIndex+a][0]=n[0]),n=n&&n.slice(i[a]+1);i[a]>0&&this.insertCharStyleObject(r.lineIndex+a,0,i[a],n)},setSelectionStartEndWithShift:function(t,e,n){n<=t?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=n):n>t&&n<e?"right"===this._selectionDirection?this.selectionEnd=n:this.selectionStart=n:(e===t?this._selectionDirection="right":"left"===this._selectionDirection&&(this._selectionDirection="right",this.selectionStart=e),this.selectionEnd=n)},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)}})}(),i.util.object.extend(i.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),n=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(n,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e=this.getLocalPointer(t),n=0,r=0,i=0,o=0,a=0,s=0,u=this._textLines.length;s<u&&i<=e.y;s++)i+=this.getHeightOfLine(s)*this.scaleY,a=s,s>0&&(o+=this._textLines[s-1].length+this.missingNewlineOffset(s-1));r=this._getLineLeftOffset(a)*this.scaleX;for(var c=0,l=this._textLines[a].length;c<l&&(n=r,(r+=this.__charBounds[a][c].kernedWidth*this.scaleX)<=e.x);c++)o++;return this._getNewSelectionStartFromOffset(e,n,r,o,l)},_getNewSelectionStartFromOffset:function(t,e,n,r,i){var o=t.x-e,a=n-t.x,s=r+(a>o||a<0?0:1);return this.flipX&&(s=i-s),s>this._text.length&&(s=this._text.length),s}}),i.util.object.extend(i.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=i.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\uff70top: "+t.fontSize+";",i.document.body.appendChild(this.hiddenTextarea),i.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),i.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),i.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),i.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),i.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),i.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),i.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),i.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),i.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(i.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 n,r,o,a,s=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,u=this._text.length,c=s.length,l=c-u,h=this.selectionStart,f=this.selectionEnd,d=h!==f;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 p,v=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),y=h>v.selectionStart;d?(n=this._text.slice(h,f),l+=f-h):c<u&&(n=y?this._text.slice(f+l,f):this._text.slice(h,h-l)),r=s.slice(v.selectionEnd-l,v.selectionEnd),n&&n.length&&(r.length&&(p=this.getSelectionStyles(h,h+1,!0),p=r.map((function(){return p[0]}))),d?(o=h,a=f):y?(o=f-n.length,a=f):(o=f,a=f+n.length),this.removeStyleFromTo(o,a)),r.length&&(e&&r.join("")===i.copiedText&&!i.disableStyleCopyPaste&&(p=i.copiedTextStyle),this.insertNewStyleBlock(r,h,p)),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&&(i.copiedText=this.getSelectedText(),i.disableStyleCopyPaste?i.copiedTextStyle=null:i.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd,!0),this._copyDone=!0)},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||i.window.clipboardData},_getWidthBeforeCursor:function(t,e){var n,r=this._getLineLeftOffset(t);return e>0&&(r+=(n=this.__charBounds[t][e-1]).left+n.width),r},getDownCursorOffset:function(t,e){var n=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(n),i=r.lineIndex;if(i===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-n;var o=r.charIndex,a=this._getWidthBeforeCursor(i,o),s=this._getIndexOnLine(i+1,a);return this._textLines[i].slice(o).length+s+1+this.missingNewlineOffset(i)},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var n=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(n),i=r.lineIndex;if(0===i||t.metaKey||33===t.keyCode)return-n;var o=r.charIndex,a=this._getWidthBeforeCursor(i,o),s=this._getIndexOnLine(i-1,a),u=this._textLines[i].slice(0,o),c=this.missingNewlineOffset(i-1);return-this._textLines[i-1].length+s-u.length+(1-c)},_getIndexOnLine:function(t,e){for(var n,r,i=this._textLines[t],o=this._getLineLeftOffset(t),a=0,s=0,u=i.length;s<u;s++)if((o+=n=this.__charBounds[t][s].width)>e){r=!0;var c=o-n,l=o,h=Math.abs(c-e);a=Math.abs(l-e)<h?s:s-1;break}return r||(a=i.length-1),a},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 n=this["get"+t+"CursorOffset"](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(n):this.moveCursorWithoutShift(n),0!==n&&(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,n){var r;if(t.altKey)r=this["findWordBoundary"+n](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return 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n="moveCursor"+t+"With";this._currentCursorOpacity=1,e.shiftKey?n+="Shift":n+="outShift",this[n](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){"undefined"===typeof 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,n,r){"undefined"===typeof r&&(r=n),r>n&&this.removeStyleFromTo(n,r);var o=i.util.string.graphemeSplit(t);this.insertNewStyleBlock(o,n,e),this._text=[].concat(this._text.slice(0,n),o,this._text.slice(r)),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()}}),function(){var t=i.util.toFixed,e=/  +/g;i.util.object.extend(i.Text.prototype,{_toSVG:function(){var t=this._getSVGLeftTopOffsets(),e=this._getSVGTextAndBg(t.textTop,t.textLeft);return this._wrapSVGTextAndBg(e)},toSVG:function(t){return 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p=0,v=d.length-1;p<=v;p++)u=p===v||this.charSpacing,h+=d[p],a=this.__charBounds[e][p],0===f?(n+=a.kernedWidth-a.width,f+=a.width):f+=a.kernedWidth,l&&!u&&this._reSpaceAndTab.test(d[p])&&(u=!0),u||(i=i||this.getCompleteStyleDeclaration(e,p),o=this.getCompleteStyleDeclaration(e,p+1),u=this._hasStyleChangedForSvg(i,o)),u&&(s=this._getStyleDeclaration(e,p)||{},t.push(this._createTextCharSpan(h,s,n,r)),h="",i=o,n+=f,f=0)},_pushTextBgRect:function(e,n,r,o,a,s){var u=i.Object.NUM_FRACTION_DIGITS;e.push("\t\t<rect ",this._getFillAttributes(n),' x="',t(r,u),'" y="',t(o,u),'" width="',t(a,u),'" height="',t(s,u),'"></rect>\n')},_setSVGTextLineBg:function(t,e,n,r){for(var i,o,a=this._textLines[e],s=this.getHeightOfLine(e)/this.lineHeight,u=0,c=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),h=0,f=a.length;h<f;h++)i=this.__charBounds[e][h],(o=this.getValueOfPropertyAt(e,h,"textBackgroundColor"))!==l?(l&&this._pushTextBgRect(t,l,n+c,r,u,s),c=i.left,u=i.width,l=o):u+=i.kernedWidth;o&&this._pushTextBgRect(t,o,n+c,r,u,s)},_getFillAttributes:function(t){var e=t&&"string"===typeof t?new i.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,n=0,r=0;r<t;r++)n+=this.getHeightOfLine(r);return e=this.getHeightOfLine(r),{lineTop:n,offset:(this._fontSizeMult-this._fontSizeFraction)*e/(this.lineHeight*this._fontSizeMult)}},getSvgStyles:function(t){return i.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,n=0,r=0,i={},o=0;o<t.graphemeLines.length;o++)"\n"===t.graphemeText[r]&&o>0?(n=0,r++,e++):!this.splitByGrapheme&&this._reSpaceAndTab.test(t.graphemeText[r])&&o>0&&(n++,r++),i[o]={line:e,offset:n},r+=t.graphemeLines[o].length,n+=t.graphemeLines[o].length;return i},styleHas:function(t,n){if(this._styleMap&&!this.isWrapping){var r=this._styleMap[n];r&&(n=r.line)}return e.Text.prototype.styleHas.call(this,t,n)},isEmptyStyles:function(t){if(!this.styles)return!0;var e,n,r=0,i=!1,o=this._styleMap[t],a=this._styleMap[t+1];for(var s in o&&(t=o.line,r=o.offset),a&&(i=a.line===t,e=a.offset),n="undefined"===typeof t?this.styles:{line:this.styles[t]})for(var u in n[s])if(u>=r&&(!i||u<e))for(var c in n[s][u])return!1;return!0},_getStyleDeclaration:function(t,e){if(this._styleMap&&!this.isWrapping){var n=this._styleMap[t];if(!n)return null;t=n.line,e=n.offset+e}return this.callSuper("_getStyleDeclaration",t,e)},_setStyleDeclaration:function(t,e,n){var r=this._styleMap[t];t=r.line,e=r.offset+e,this.styles[t][e]=n},_deleteStyleDeclaration:function(t,e){var n=this._styleMap[t];t=n.line,e=n.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 n,r=[];for(this.isWrapping=!0,n=0;n<t.length;n++)r=r.concat(this._wrapLine(t[n],n,e));return this.isWrapping=!1,r},_measureWord:function(t,e,n){var r,i=0;n=n||0;for(var o=0,a=t.length;o<a;o++){i+=this._getGraphemeBox(t[o],e,o+n,r,!0).kernedWidth,r=t[o]}return i},_wrapLine:function(t,n,r,i){var o=0,a=this.splitByGrapheme,s=[],u=[],c=a?e.util.string.graphemeSplit(t):t.split(this._wordJoiners),l="",h=0,f=a?"":" ",d=0,p=0,v=0,y=!0,g=a?0:this._getWidthOfCharSpacing();i=i||0;0===c.length&&c.push([]),r-=i;for(var m=0;m<c.length;m++)l=a?c[m]:e.util.string.graphemeSplit(c[m]),d=this._measureWord(l,n,h),h+=l.length,(o+=p+d-g)>=r&&!y?(s.push(u),u=[],o=d,y=!0):o+=g,y||a||u.push(f),u=u.concat(l),p=this._measureWord([f],n,h),h++,y=!1,d>v&&(v=d);return m&&s.push(u),v+i>this.dynamicMinWidth&&(this.dynamicMinWidth=v-g+i),s},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 n=e.Text.prototype._splitTextIntoLines.call(this,t),r=this._wrapText(n.lines,this.width),i=new Array(r.length),o=0;o<r.length;o++)i[o]=r[o].join("");return n.lines=i,n.graphemeLines=r,n},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 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