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48:o[a-1].push(o[a])}},table:[{3:1,4:2,5:[1,3],8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],22:[1,13],23:[1,14],25:[1,15]},{1:[3]},{5:[1,16],8:17,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],22:[1,13],23:[1,14],25:[1,15]},{1:[2,2]},{5:[2,9],14:[2,9],15:[2,9],16:[2,9],19:[2,9],20:[2,9],22:[2,9],23:[2,9],25:[2,9]},{4:20,6:18,7:19,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,21],20:[2,8],22:[1,13],23:[1,14],25:[1,15]},{4:20,6:22,7:19,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,21],20:[2,8],22:[1,13],23:[1,14],25:[1,15]},{5:[2,13],14:[2,13],15:[2,13],16:[2,13],19:[2,13],20:[2,13],22:[2,13],23:[2,13],25:[2,13]},{5:[2,14],14:[2,14],15:[2,14],16:[2,14],19:[2,14],20:[2,14],22:[2,14],23:[2,14],25:[2,14]},{5:[2,15],14:[2,15],15:[2,15],16:[2,15],19:[2,15],20:[2,15],22:[2,15],23:[2,15],25:[2,15]},{5:[2,16],14:[2,16],15:[2,16],16:[2,16],19:[2,16],20:[2,16],22:[2,16],23:[2,16],25:[2,16]},{17:23,21:24,30:25,40:[1,28],42:[1,27],43:26},{17:29,21:24,30:25,40:[1,28],42:[1,27],43:26},{17:30,21:24,30:25,40:[1,28],42:[1,27],43:26},{17:31,21:24,30:25,40:[1,28],42:[1,27],43:26},{21:33,26:32,32:[1,34],33:[1,35],40:[1,28],43:26},{1:[2,1]},{5:[2,10],14:[2,10],15:[2,10],16:[2,10],19:[2,10],20:[2,10],22:[2,10],23:[2,10],25:[2,10]},{10:36,20:[1,37]},{4:38,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,7],22:[1,13],23:[1,14],25:[1,15]},{7:39,8:17,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,21],20:[2,6],22:[1,13],23:[1,14],25:[1,15]},{17:23,18:[1,40],21:24,30:25,40:[1,28],42:[1,27],43:26},{10:41,20:[1,37]},{18:[1,42]},{18:[2,43],24:[2,43],28:43,32:[2,43],33:[2,43],34:[2,43],35:[2,43],36:[2,43],40:[2,43],42:[2,43]},{18:[2,25],24:[2,25],36:[2,25]},{18:[2,38],24:[2,38],32:[2,38],33:[2,38],34:[2,38],35:[2,38],36:[2,38],40:[2,38],42:[2,38],44:[1,44]},{21:45,40:[1,28],43:26},{18:[2,40],24:[2,40],32:[2,40],33:[2,40],34:[2,40],35:[2,40],36:[2,40],40:[2,40],42:[2,40],44:[2,40]},{18:[1,46]},{18:[1,47]},{24:[1,48]},{18:[2,41],21:50,27:49,40:[1,28],43:26},{18:[2,34],40:[2,34]},{18:[2,35],40:[2,35]},{18:[2,36],40:[2,36]},{5:[2,11],14:[2,11],15:[2,11],16:[2,11],19:[2,11],20:[2,11],22:[2,11],23:[2,11],25:[2,11]},{21:51,40:[1,28],43:26},{8:17,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,3],22:[1,13],23:[1,14],25:[1,15]},{4:52,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,5],22:[1,13],23:[1,14],25:[1,15]},{14:[2,23],15:[2,23],16:[2,23],19:[2,23],20:[2,23],22:[2,23],23:[2,23],25:[2,23]},{5:[2,12],14:[2,12],15:[2,12],16:[2,12],19:[2,12],20:[2,12],22:[2,12],23:[2,12],25:[2,12]},{14:[2,18],15:[2,18],16:[2,18],19:[2,18],20:[2,18],22:[2,18],23:[2,18],25:[2,18]},{18:[2,45],21:56,24:[2,45],29:53,30:60,31:54,32:[1,57],33:[1,58],34:[1,59],35:[1,61],36:[2,45],37:55,38:62,39:63,40:[1,64],42:[1,27],43:26},{40:[1,65]},{18:[2,37],24:[2,37],32:[2,37],33:[2,37],34:[2,37],35:[2,37],36:[2,37],40:[2,37],42:[2,37]},{14:[2,17],15:[2,17],16:[2,17],19:[2,17],20:[2,17],22:[2,17],23:[2,17],25:[2,17]},{5:[2,20],14:[2,20],15:[2,20],16:[2,20],19:[2,20],20:[2,20],22:[2,20],23:[2,20],25:[2,20]},{5:[2,21],14:[2,21],15:[2,21],16:[2,21],19:[2,21],20:[2,21],22:[2,21],23:[2,21],25:[2,21]},{18:[1,66]},{18:[2,42]},{18:[1,67]},{8:17,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,4],22:[1,13],23:[1,14],25:[1,15]},{18:[2,24],24:[2,24],36:[2,24]},{18:[2,44],24:[2,44],32:[2,44],33:[2,44],34:[2,44],35:[2,44],36:[2,44],40:[2,44],42:[2,44]},{18:[2,46],24:[2,46],36:[2,46]},{18:[2,26],24:[2,26],32:[2,26],33:[2,26],34:[2,26],35:[2,26],36:[2,26],40:[2,26],42:[2,26]},{18:[2,27],24:[2,27],32:[2,27],33:[2,27],34:[2,27],35:[2,27],36:[2,27],40:[2,27],42:[2,27]},{18:[2,28],24:[2,28],32:[2,28],33:[2,28],34:[2,28],35:[2,28],36:[2,28],40:[2,28],42:[2,28]},{18:[2,29],24:[2,29],32:[2,29],33:[2,29],34:[2,29],35:[2,29],36:[2,29],40:[2,29],42:[2,29]},{18:[2,30],24:[2,30],32:[2,30],33:[2,30],34:[2,30],35:[2,30],36:[2,30],40:[2,30],42:[2,30]},{17:68,21:24,30:25,40:[1,28],42:[1,27],43:26},{18:[2,32],24:[2,32],36:[2,32],39:69,40:[1,70]},{18:[2,47],24:[2,47],36:[2,47],40:[2,47]},{18:[2,40],24:[2,40],32:[2,40],33:[2,40],34:[2,40],35:[2,40],36:[2,40],40:[2,40],41:[1,71],42:[2,40],44:[2,40]},{18:[2,39],24:[2,39],32:[2,39],33:[2,39],34:[2,39],35:[2,39],36:[2,39],40:[2,39],42:[2,39],44:[2,39]},{5:[2,22],14:[2,22],15:[2,22],16:[2,22],19:[2,22],20:[2,22],22:[2,22],23:[2,22],25:[2,22]},{5:[2,19],14:[2,19],15:[2,19],16:[2,19],19:[2,19],20:[2,19],22:[2,19],23:[2,19],25:[2,19]},{36:[1,72]},{18:[2,48],24:[2,48],36:[2,48],40:[2,48]},{41:[1,71]},{21:56,30:60,31:73,32:[1,57],33:[1,58],34:[1,59],35:[1,61],40:[1,28],42:[1,27],43:26},{18:[2,31],24:[2,31],32:[2,31],33:[2,31],34:[2,31],35:[2,31],36:[2,31],40:[2,31],42:[2,31]},{18:[2,33],24:[2,33],36:[2,33],40:[2,33]}],defaultActions:{3:[2,2],16:[2,1],50:[2,42]},parseError:function(t){throw new Error(t)},parse:function(t){function e(){var t;return t=i.lexer.lex()||1,"number"!=typeof t&&(t=i.symbols_[t]||t),t}var i=this,n=[0],r=[null],s=[],o=this.table,a="",h=0,l=0,c=0;this.lexer.setInput(t),this.lexer.yy=this.yy,this.yy.lexer=this.lexer,this.yy.parser=this,"undefined"==typeof this.lexer.yylloc&&(this.lexer.yylloc={});var u=this.lexer.yylloc;s.push(u);var f=this.lexer.options&&this.lexer.options.ranges;
"function"==typeof this.yy.parseError&&(this.parseError=this.yy.parseError);for(var d,p,g,v,m,y,b,x,w,_={};;){if(g=n[n.length-1],this.defaultActions[g]?v=this.defaultActions[g]:((null===d||"undefined"==typeof d)&&(d=e()),v=o[g]&&o[g][d]),"undefined"==typeof v||!v.length||!v[0]){var C="";if(!c){w=[];for(y in o[g])this.terminals_[y]&&y>2&&w.push("'"+this.terminals_[y]+"'");C=this.lexer.showPosition?"Parse error on line "+(h+1)+":\n"+this.lexer.showPosition()+"\nExpecting "+w.join(", ")+", got '"+(this.terminals_[d]||d)+"'":"Parse error on line "+(h+1)+": Unexpected "+(1==d?"end of input":"'"+(this.terminals_[d]||d)+"'"),this.parseError(C,{text:this.lexer.match,token:this.terminals_[d]||d,line:this.lexer.yylineno,loc:u,expected:w})}}if(v[0]instanceof Array&&v.length>1)throw new Error("Parse Error: multiple actions possible at state: "+g+", token: "+d);switch(v[0]){case 1:n.push(d),r.push(this.lexer.yytext),s.push(this.lexer.yylloc),n.push(v[1]),d=null,p?(d=p,p=null):(l=this.lexer.yyleng,a=this.lexer.yytext,h=this.lexer.yylineno,u=this.lexer.yylloc,c>0&&c--);break;case 2:if(b=this.productions_[v[1]][1],_.$=r[r.length-b],_._$={first_line:s[s.length-(b||1)].first_line,last_line:s[s.length-1].last_line,first_column:s[s.length-(b||1)].first_column,last_column:s[s.length-1].last_column},f&&(_._$.range=[s[s.length-(b||1)].range[0],s[s.length-1].range[1]]),m=this.performAction.call(_,a,l,h,this.yy,v[1],r,s),"undefined"!=typeof m)return m;b&&(n=n.slice(0,-1*b*2),r=r.slice(0,-1*b),s=s.slice(0,-1*b)),n.push(this.productions_[v[1]][0]),r.push(_.$),s.push(_._$),x=o[n[n.length-2]][n[n.length-1]],n.push(x);break;case 3:return!0}}return!0}},n=function(){var t={EOF:1,parseError:function(t,e){if(!this.yy.parser)throw new Error(t);this.yy.parser.parseError(t,e)},setInput:function(t){return this._input=t,this._more=this._less=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var t=this._input[0];this.yytext+=t,this.yyleng++,this.offset++,this.match+=t,this.matched+=t;var e=t.match(/(?:\r\n?|\n).*/g);return e?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),t},unput:function(t){var e=t.length,i=t.split(/(?:\r\n?|\n)/g);this._input=t+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-e-1),this.offset-=e;var n=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),i.length-1&&(this.yylineno-=i.length-1);var r=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:i?(i.length===n.length?this.yylloc.first_column:0)+n[n.length-i.length].length-i[0].length:this.yylloc.first_column-e},this.options.ranges&&(this.yylloc.range=[r[0],r[0]+this.yyleng-e]),this},more:function(){return this._more=!0,this},less:function(t){this.unput(this.match.slice(t))},pastInput:function(){var t=this.matched.substr(0,this.matched.length-this.match.length);return(t.length>20?"...":"")+t.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var t=this.match;return t.length<20&&(t+=this._input.substr(0,20-t.length)),(t.substr(0,20)+(t.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var t=this.pastInput(),e=new Array(t.length+1).join("-");return t+this.upcomingInput()+"\n"+e+"^"},next:function(){if(this.done)return this.EOF;this._input||(this.done=!0);var t,e,i,n,r;this._more||(this.yytext="",this.match="");for(var s=this._currentRules(),o=0;o<s.length&&(i=this._input.match(this.rules[s[o]]),!i||e&&!(i[0].length>e[0].length)||(e=i,n=o,this.options.flex));o++);return e?(r=e[0].match(/(?:\r\n?|\n).*/g),r&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+e[0].length},this.yytext+=e[0],this.match+=e[0],this.matches=e,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._input=this._input.slice(e[0].length),this.matched+=e[0],t=this.performAction.call(this,this.yy,this,s[n],this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),t?t:void 0):""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". 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i=t.fabric||(t.fabric={});return i.Point?void i.warn("fabric.Point is already defined"):(i.Point=e,void(e.prototype={constructor:e,add:function(t){return new e(this.x+t.x,this.y+t.y)},addEquals:function(t){return this.x+=t.x,this.y+=t.y,this},scalarAdd:function(t){return new e(this.x+t,this.y+t)},scalarAddEquals:function(t){return this.x+=t,this.y+=t,this},subtract:function(t){return new e(this.x-t.x,this.y-t.y)},subtractEquals:function(t){return this.x-=t.x,this.y-=t.y,this},scalarSubtract:function(t){return new e(this.x-t,this.y-t)},scalarSubtractEquals:function(t){return this.x-=t,this.y-=t,this},multiply:function(t){return new e(this.x*t,this.y*t)},multiplyEquals:function(t){return this.x*=t,this.y*=t,this},divide:function(t){return new e(this.x/t,this.y/t)},divideEquals:function(t){return this.x/=t,this.y/=t,this},eq:function(t){return this.x===t.x&&this.y===t.y},lt:function(t){return this.x<t.x&&this.y<t.y},lte:function(t){return this.x<=t.x&&this.y<=t.y},gt:function(t){return this.x>t.x&&this.y>t.y},gte:function(t){return this.x>=t.x&&this.y>=t.y},lerp:function(t,i){return new e(this.x+(t.x-this.x)*i,this.y+(t.y-this.y)*i)},distanceFrom:function(t){var e=this.x-t.x,i=this.y-t.y;return Math.sqrt(e*e+i*i)},midPointFrom:function(t){return new e(this.x+(t.x-this.x)/2,this.y+(t.y-this.y)/2)},min:function(t){return new e(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new e(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){this.x=t,this.y=e},setFromPoint:function(t){this.x=t.x,this.y=t.y},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i}}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){this.status=t,this.points=[]}var i=t.fabric||(t.fabric={});return i.Intersection?void i.warn("fabric.Intersection is already defined"):(i.Intersection=e,i.Intersection.prototype={appendPoint:function(t){this.points.push(t)},appendPoints:function(t){this.points=this.points.concat(t)}},i.Intersection.intersectLineLine=function(t,n,r,s){var o,a=(s.x-r.x)*(t.y-r.y)-(s.y-r.y)*(t.x-r.x),h=(n.x-t.x)*(t.y-r.y)-(n.y-t.y)*(t.x-r.x),l=(s.y-r.y)*(n.x-t.x)-(s.x-r.x)*(n.y-t.y);if(0!==l){var c=a/l,u=h/l;c>=0&&1>=c&&u>=0&&1>=u?(o=new e("Intersection"),o.points.push(new i.Point(t.x+c*(n.x-t.x),t.y+c*(n.y-t.y)))):o=new e}else o=new e(0===a||0===h?"Coincident":"Parallel");return o},i.Intersection.intersectLinePolygon=function(t,i,n){for(var r=new e,s=n.length,o=0;s>o;o++){var a=n[o],h=n[(o+1)%s],l=e.intersectLineLine(t,i,a,h);r.appendPoints(l.points)}return r.points.length>0&&(r.status="Intersection"),r},i.Intersection.intersectPolygonPolygon=function(t,i){for(var n=new e,r=t.length,s=0;r>s;s++){var o=t[s],a=t[(s+1)%r],h=e.intersectLinePolygon(o,a,i);n.appendPoints(h.points)}return n.points.length>0&&(n.status="Intersection"),n},i.Intersection.intersectPolygonRectangle=function(t,n,r){var s=n.min(r),o=n.max(r),a=new i.Point(o.x,s.y),h=new i.Point(s.x,o.y),l=e.intersectLinePolygon(s,a,t),c=e.intersectLinePolygon(a,o,t),u=e.intersectLinePolygon(o,h,t),f=e.intersectLinePolygon(h,s,t),d=new e;return d.appendPoints(l.points),d.appendPoints(c.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d},void 0)}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function i(t,e,i){return 0>i&&(i+=1),i>1&&(i-=1),1/6>i?t+6*(e-t)*i:.5>i?e:2/3>i?t+(e-t)*(2/3-i)*6:t}var n=t.fabric||(t.fabric={});return n.Color?void n.warn("fabric.Color is already defined."):(n.Color=e,n.Color.prototype={_tryParsingColor:function(t){var i;return t in e.colorNameMap&&(t=e.colorNameMap[t]),"transparent"===t?void this.setSource([255,255,255,0]):(i=e.sourceFromHex(t),i||(i=e.sourceFromRgb(t)),i||(i=e.sourceFromHsl(t)),i&&this.setSource(i),void 0)},_rgbToHsl:function(t,e,i){t/=255,e/=255,i/=255;var r,s,o,a=n.util.array.max([t,e,i]),h=n.util.array.min([t,e,i]);if(o=(a+h)/2,a===h)r=s=0;else{var l=a-h;switch(s=o>.5?l/(2-a-h):l/(a+h),a){case t:r=(e-i)/l+(i>e?6:0);break;case e:r=(i-t)/l+2;break;case i:r=(t-e)/l+4}r/=6}return[Math.round(360*r),Math.round(100*s),Math.round(100*o)]},getSource:function(){return this._source},setSource:function(t){this._source=t},toRgb:function(){var t=this.getSource();return"rgb("+t[0]+","+t[1]+","+t[2]+")"},toRgba:function(){var t=this.getSource();return"rgba("+t[0]+","+t[1]+","+t[2]+","+t[3]+")"},toHsl:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsl("+e[0]+","+e[1]+"%,"+e[2]+"%)"},toHsla:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsla("+e[0]+","+e[1]+"%,"+e[2]+"%,"+t[3]+")"},toHex:function(){var t,e,i,n=this.getSource();return t=n[0].toString(16),t=1===t.length?"0"+t:t,e=n[1].toString(16),e=1===e.length?"0"+e:e,i=n[2].toString(16),i=1===i.length?"0"+i:i,t.toUpperCase()+e.toUpperCase()+i.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(t){var e=this.getSource();return e[3]=t,this.setSource(e),this},toGrayscale:function(){var t=this.getSource(),e=parseInt((.3*t[0]+.59*t[1]+.11*t[2]).toFixed(0),10),i=t[3];return this.setSource([e,e,e,i]),this},toBlackWhite:function(t){var e=this.getSource(),i=(.3*e[0]+.59*e[1]+.11*e[2]).toFixed(0),n=e[3];return t=t||127,i=Number(i)<Number(t)?0:255,this.setSource([i,i,i,n]),this},overlayWith:function(t){t instanceof e||(t=new e(t));for(var i=[],n=this.getAlpha(),r=.5,s=this.getSource(),o=t.getSource(),a=0;3>a;a++)i.push(Math.round(s[a]*(1-r)+o[a]*r));return i[3]=n,this.setSource(i),this}},n.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,n.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,n.Color.reHex=/^#?([0-9a-f]{6}|[0-9a-f]{3})$/i,n.Color.colorNameMap={aqua:"#00FFFF",black:"#000000",blue:"#0000FF",fuchsia:"#FF00FF",gray:"#808080",green:"#008000",lime:"#00FF00",maroon:"#800000",navy:"#000080",olive:"#808000",orange:"#FFA500",purple:"#800080",red:"#FF0000",silver:"#C0C0C0",teal:"#008080",white:"#FFFFFF",yellow:"#FFFF00"},n.Color.fromRgb=function(t){return e.fromSource(e.sourceFromRgb(t))},n.Color.sourceFromRgb=function(t){var i=t.match(e.reRGBa);if(i){var n=parseInt(i[1],10)/(/%$/.test(i[1])?100:1)*(/%$/.test(i[1])?255:1),r=parseInt(i[2],10)/(/%$/.test(i[2])?100:1)*(/%$/.test(i[2])?255:1),s=parseInt(i[3],10)/(/%$/.test(i[3])?100:1)*(/%$/.test(i[3])?255:1);return[parseInt(n,10),parseInt(r,10),parseInt(s,10),i[4]?parseFloat(i[4]):1]}},n.Color.fromRgba=e.fromRgb,n.Color.fromHsl=function(t){return e.fromSource(e.sourceFromHsl(t))},n.Color.sourceFromHsl=function(t){var n=t.match(e.reHSLa);if(n){var r,s,o,a=(parseFloat(n[1])%360+360)%360/360,h=parseFloat(n[2])/(/%$/.test(n[2])?100:1),l=parseFloat(n[3])/(/%$/.test(n[3])?100:1);if(0===h)r=s=o=l;else{var c=.5>=l?l*(h+1):l+h-l*h,u=2*l-c;r=i(u,c,a+1/3),s=i(u,c,a),o=i(u,c,a-1/3)}return[Math.round(255*r),Math.round(255*s),Math.round(255*o),n[4]?parseFloat(n[4]):1]}},n.Color.fromHsla=e.fromHsl,n.Color.fromHex=function(t){return e.fromSource(e.sourceFromHex(t))},n.Color.sourceFromHex=function(t){if(t.match(e.reHex)){var i=t.slice(t.indexOf("#")+1),n=3===i.length,r=n?i.charAt(0)+i.charAt(0):i.substring(0,2),s=n?i.charAt(1)+i.charAt(1):i.substring(2,4),o=n?i.charAt(2)+i.charAt(2):i.substring(4,6);return[parseInt(r,16),parseInt(s,16),parseInt(o,16),1]}},n.Color.fromSource=function(t){var i=new e;return i.setSource(t),i},void 0)}("undefined"!=typeof exports?exports:this),function(){function t(t){var e,i,n,r=t.getAttribute("style"),s=t.getAttribute("offset");if(s=parseFloat(s)/(/%$/.test(s)?100:1),r){var o=r.split(/\s*;\s*/);""===o[o.length-1]&&o.pop();for(var a=o.length;a--;){var h=o[a].split(/\s*:\s*/),l=h[0].trim(),c=h[1].trim();"stop-color"===l?e=c:"stop-opacity"===l&&(n=c)}}return e||(e=t.getAttribute("stop-color")||"rgb(0,0,0)"),n||(n=t.getAttribute("stop-opacity")),e=new fabric.Color(e),i=e.getAlpha(),n=isNaN(parseFloat(n))?1:parseFloat(n),n*=i,{offset:s,color:e.toRgb(),opacity:n}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function n(t,e){for(var i in e)if("string"==typeof e[i]&&/^\d+%$/.test(e[i])){var n=parseFloat(e[i],10);"x1"===i||"x2"===i||"r2"===i?e[i]=fabric.util.toFixed(t.width*n/100,2)+t.left:("y1"===i||"y2"===i)&&(e[i]=fabric.util.toFixed(t.height*n/100,2)+t.top)}}function r(t,e){for(var i in e)"x1"===i||"x2"===i||"r2"===i?e[i]=fabric.util.toFixed((e[i]-t.fill.origX)/t.width*100,2)+"%":("y1"===i||"y2"===i)&&(e[i]=fabric.util.toFixed((e[i]-t.fill.origY)/t.height*100,2)+"%")}fabric.Gradient=fabric.util.createClass({origX:0,origY:0,initialize:function(t){t||(t={});var e={};this.id=fabric.Object.__uid++,this.type=t.type||"linear",e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.gradientUnits=t.gradientUnits||"objectBoundingBox",this.colorStops=t.colorStops.slice(),t.gradientTransform&&(this.gradientTransform=t.gradientTransform),this.origX=t.left||this.origX,this.origY=t.top||this.origY},addColorStop:function(t){for(var e in t){var i=new fabric.Color(t[e]);this.colorStops.push({offset:e,color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(){return{type:this.type,coords:this.coords,gradientUnits:this.gradientUnits,colorStops:this.colorStops}},toSVG:function(t,e){var i,n,s=fabric.util.object.clone(this.coords);this.colorStops.sort(function(t,e){return t.offset-e.offset}),e&&"userSpaceOnUse"===this.gradientUnits?(s.x1+=t.width/2,s.y1+=t.height/2,s.x2+=t.width/2,s.y2+=t.height/2):"objectBoundingBox"===this.gradientUnits&&r(t,s),n='id="SVGID_'+this.id+'" gradientUnits="'+this.gradientUnits+'"',this.gradientTransform&&(n+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?i=["<linearGradient ",n,' x1="',s.x1,'" y1="',s.y1,'" x2="',s.x2,'" y2="',s.y2,'">\n']:"radial"===this.type&&(i=["<radialGradient ",n,' cx="',s.x2,'" cy="',s.y2,'" r="',s.r2,'" fx="',s.x1,'" fy="',s.y1,'">\n']);for(var o=0;o<this.colorStops.length;o++)i.push("<stop ",'offset="',100*this.colorStops[o].offset+"%",'" style="stop-color:',this.colorStops[o].color,null!=this.colorStops[o].opacity?";stop-opacity: "+this.colorStops[o].opacity:";",'"/>\n');return i.push("linear"===this.type?"</linearGradient>\n":"</radialGradient>\n"),i.join("")},toLive:function(t){var e;if(this.type){"linear"===this.type?e=t.createLinearGradient(this.coords.x1,this.coords.y1,this.coords.x2,this.coords.y2):"radial"===this.type&&(e=t.createRadialGradient(this.coords.x1,this.coords.y1,this.coords.r1,this.coords.x2,this.coords.y2,this.coords.r2));for(var i=0,n=this.colorStops.length;n>i;i++){var r=this.colorStops[i].color,s=this.colorStops[i].opacity,o=this.colorStops[i].offset;"undefined"!=typeof s&&(r=new fabric.Color(r).setAlpha(s).toRgba()),e.addColorStop(parseFloat(o),r)}return e}}}),fabric.util.object.extend(fabric.Gradient,{fromElement:function(r,s){var o=r.getElementsByTagName("stop"),a="linearGradient"===r.nodeName?"linear":"radial",h=r.getAttribute("gradientUnits")||"objectBoundingBox",l=r.getAttribute("gradientTransform"),c=[],u={};"linear"===a?u=e(r):"radial"===a&&(u=i(r));for(var f=o.length;f--;)c.push(t(o[f]));n(s,u);var d=new fabric.Gradient({type:a,coords:u,gradientUnits:h,colorStops:c});return l&&(d.gradientTransform=fabric.parseTransformAttribute(l)),d},forObject:function(t,e){return e||(e={}),n(t,e),new fabric.Gradient(e)}})}(),fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,initialize:function(t){if(t||(t={}),this.id=fabric.Object.__uid++,t.source)if("string"==typeof t.source)if("undefined"!=typeof fabric.util.getFunctionBody(t.source))this.source=new Function(fabric.util.getFunctionBody(t.source));else{var e=this;this.source=fabric.util.createImage(),fabric.util.loadImage(t.source,function(t){e.source=t})}else this.source=t.source;t.repeat&&(this.repeat=t.repeat),t.offsetX&&(this.offsetX=t.offsetX),t.offsetY&&(this.offsetY=t.offsetY)},toObject:function(){var t;return"function"==typeof this.source?t=String(this.source):"string"==typeof this.source.src&&(t=this.source.src),{source:t,repeat:this.repeat,offsetX:this.offsetX,offsetY:this.offsetY}},toSVG:function(t){var e="function"==typeof this.source?this.source():this.source,i=e.width/t.getWidth(),n=e.height/t.getHeight(),r="";return e.src?r=e.src:e.toDataURL&&(r=e.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+this.offsetX+'" y="'+this.offsetY+'" width="'+i+'" height="'+n+'"><image x="0" y="0" width="'+e.width+'" height="'+e.height+'" xlink:href="'+r+'"></image></pattern>'},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={});return e.Shadow?void e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(t){"string"==typeof t&&(t=this._parseShadow(t));for(var i in t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),n=e.Shadow.reOffsetsAndBlur.exec(i)||[],r=i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:r.trim(),offsetX:parseInt(n[1],10)||0,offsetY:parseInt(n[2],10)||0,blur:parseInt(n[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var e="SourceAlpha";return t&&(t.fill===this.color||t.stroke===this.color)&&(e="SourceGraphic"),'<filter id="SVGID_'+this.id+'" y="-40%" height="180%"><feGaussianBlur in="'+e+'" stdDeviation="'+(this.blur?this.blur/3:0)+'"></feGaussianBlur><feOffset dx="'+this.offsetX+'" dy="'+this.offsetY+'"></feOffset><feMerge><feMergeNode></feMergeNode><feMergeNode in="SourceGraphic"></feMergeNode></feMerge></filter>'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY};var t={},i=e.Shadow.prototype;return this.color!==i.color&&(t.color=this.color),this.blur!==i.blur&&(t.blur=this.blur),this.offsetX!==i.offsetX&&(t.offsetX=this.offsetX),this.offsetY!==i.offsetY&&(t.offsetY=this.offsetY),t}}),void(e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/))}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)return void fabric.warn("fabric.StaticCanvas is already defined.");var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,n=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass({initialize:function(t,e){e||(e={}),this._initStatic(t,e),fabric.StaticCanvas.activeInstance=this},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!0,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:[1,0,0,1,0,0],onBeforeScaleRotate:function(){},_initStatic:function(t,e){this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),e.overlayImage&&this.setOverlayImage(e.overlayImage,this.renderAll.bind(this)),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,this.renderAll.bind(this)),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,this.renderAll.bind(this)),e.overlayColor&&this.setOverlayColor(e.overlayColor,this.renderAll.bind(this)),this.calcOffset()
},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=this.imageSmoothingEnabled,t.webkitImageSmoothingEnabled=this.imageSmoothingEnabled,t.mozImageSmoothingEnabled=this.imageSmoothingEnabled,t.msImageSmoothingEnabled=this.imageSmoothingEnabled,t.oImageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,n){return"string"==typeof e?fabric.util.loadImage(e,function(e){this[t]=new fabric.Image(e,n),i&&i()},this):(this[t]=e,i&&i()),this},__setBgOverlayColor:function(t,e,i){if(e&&e.source){var n=this;fabric.util.loadImage(e.source,function(r){n[t]=new fabric.Pattern({source:r,repeat:e.repeat,offsetX:e.offsetX,offsetY:e.offsetY}),i&&i()})}else this[t]=e,i&&i();return this},_createCanvasElement:function(){var t=fabric.document.createElement("canvas");if(t.style||(t.style={}),!t)throw n;return this._initCanvasElement(t),t},_initCanvasElement:function(t){if(fabric.util.createCanvasElement(t),"undefined"==typeof t.getContext)throw n},_initOptions:function(t){for(var e in t)this[e]=t[e];this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(),this._initCanvasElement(this.lowerCanvasEl),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;e=e||{};for(var n in t)i=t[n],e.cssOnly||(this._setBackstoreDimension(n,t[n]),i+="px"),e.backstoreOnly||this._setCssDimension(n,i);return e.cssOnly||this.renderAll(),this.calcOffset(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return Math.sqrt(this.viewportTransform[0]*this.viewportTransform[3])},setViewportTransform:function(t){this.viewportTransform=t,this.renderAll();for(var e=0,i=this._objects.length;i>e;e++)this._objects[e].setCoords();return this},zoomToPoint:function(t,e){var i=t;t=fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform)),this.viewportTransform[0]=e,this.viewportTransform[3]=e;var n=fabric.util.transformPoint(t,this.viewportTransform);this.viewportTransform[4]+=i.x-n.x,this.viewportTransform[5]+=i.y-n.y,this.renderAll();for(var r=0,s=this._objects.length;s>r;r++)this._objects[r].setCoords();return this},setZoom:function(t){return this.zoomToPoint(new fabric.Point(0,0),t),this},absolutePan:function(t){this.viewportTransform[4]=-t.x,this.viewportTransform[5]=-t.y,this.renderAll();for(var e=0,i=this._objects.length;i>e;e++)this._objects[e].setCoords();return this},relativePan:function(t){return this.absolutePan(new fabric.Point(-t.x-this.viewportTransform[4],-t.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},getActiveObject:function(){return null},getActiveGroup:function(){return null},_draw:function(t,e){if(e){t.save();var i=this.viewportTransform;t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),e.render(t),t.restore(),this.controlsAboveOverlay||e._renderControls(t)}},_onObjectAdded:function(t){this.stateful&&t.setupState(),t.canvas=this,t.setCoords(),this.fire("object:added",{target:t}),t.fire("added")},_onObjectRemoved:function(t){this.getActiveObject()===t&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared")),this.fire("object:removed",{target:t}),t.fire("removed")},clearContext:function(t){return t.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.discardActiveGroup&&this.discardActiveGroup(),this.discardActiveObject&&this.discardActiveObject(),this.clearContext(this.contextContainer),this.contextTop&&this.clearContext(this.contextTop),this.fire("canvas:cleared"),this.renderAll(),this},renderAll:function(t){var e=this[t===!0&&this.interactive?"contextTop":"contextContainer"],i=this.getActiveGroup();return this.contextTop&&this.selection&&!this._groupSelector&&this.clearContext(this.contextTop),t||this.clearContext(e),this.fire("before:render"),this.clipTo&&fabric.util.clipContext(this,e),this._renderBackground(e),this._renderObjects(e,i),this._renderActiveGroup(e,i),this.clipTo&&e.restore(),this._renderOverlay(e),this.controlsAboveOverlay&&this.interactive&&this.drawControls(e),this.fire("after:render"),this},_renderObjects:function(t,e){var i,n;if(e)for(i=0,n=this._objects.length;n>i;++i)this._objects[i]&&!e.contains(this._objects[i])&&this._draw(t,this._objects[i]);else for(i=0,n=this._objects.length;n>i;++i)this._draw(t,this._objects[i])},_renderActiveGroup:function(t,e){if(e){var i=[];this.forEachObject(function(t){e.contains(t)&&i.push(t)}),e._set("objects",i),this._draw(t,e)}},_renderBackground:function(t){this.backgroundColor&&(t.fillStyle=this.backgroundColor.toLive?this.backgroundColor.toLive(t):this.backgroundColor,t.fillRect(this.backgroundColor.offsetX||0,this.backgroundColor.offsetY||0,this.width,this.height)),this.backgroundImage&&this._draw(t,this.backgroundImage)},_renderOverlay:function(t){this.overlayColor&&(t.fillStyle=this.overlayColor.toLive?this.overlayColor.toLive(t):this.overlayColor,t.fillRect(this.overlayColor.offsetX||0,this.overlayColor.offsetY||0,this.width,this.height)),this.overlayImage&&this._draw(t,this.overlayImage)},renderTop:function(){var t=this.contextTop||this.contextContainer;this.clearContext(t),this.selection&&this._groupSelector&&this._drawSelection();var e=this.getActiveGroup();return e&&e.render(t),this._renderOverlay(t),this.fire("after:render"),this},getCenter:function(){return{top:this.getHeight()/2,left:this.getWidth()/2}},centerObjectH:function(t){return this._centerObject(t,new fabric.Point(this.getCenter().left,t.getCenterPoint().y)),this.renderAll(),this},centerObjectV:function(t){return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,this.getCenter().top)),this.renderAll(),this},centerObject:function(t){var e=this.getCenter();return this._centerObject(t,new fabric.Point(e.left,e.top)),this.renderAll(),this},_centerObject:function(t,e){return t.setPositionByOrigin(e,"center","center"),this},toDatalessJSON:function(t){return this.toDatalessObject(t)},toObject:function(t){return this._toObjectMethod("toObject",t)},toDatalessObject:function(t){return this._toObjectMethod("toDatalessObject",t)},_toObjectMethod:function(e,i){var n=this.getActiveGroup();n&&this.discardActiveGroup();var r={objects:this._toObjects(e,i)};return t(r,this.__serializeBgOverlay()),fabric.util.populateWithProperties(this,r,i),n&&(this.setActiveGroup(new fabric.Group(n.getObjects(),{originX:"center",originY:"center"})),n.forEachObject(function(t){t.set("active",!0)}),this._currentTransform&&(this._currentTransform.target=this.getActiveGroup())),r},_toObjects:function(t,e){return this.getObjects().map(function(i){return this._toObject(i,t,e)},this)},_toObject:function(t,e,i){var n;this.includeDefaultValues||(n=t.includeDefaultValues,t.includeDefaultValues=!1);var r=t[e](i);return this.includeDefaultValues||(t.includeDefaultValues=n),r},__serializeBgOverlay:function(){var t={background:this.backgroundColor&&this.backgroundColor.toObject?this.backgroundColor.toObject():this.backgroundColor};return this.overlayColor&&(t.overlay=this.overlayColor.toObject?this.overlayColor.toObject():this.overlayColor),this.backgroundImage&&(t.backgroundImage=this.backgroundImage.toObject()),this.overlayImage&&(t.overlayImage=this.overlayImage.toObject()),t},toSVG:function(t,e){t||(t={});var i=[];return this._setSVGPreamble(i,t),this._setSVGHeader(i,t),this._setSVGBgOverlayColor(i,"backgroundColor"),this._setSVGBgOverlayImage(i,"backgroundImage"),this._setSVGObjects(i,e),this._setSVGBgOverlayColor(i,"overlayColor"),this._setSVGBgOverlayImage(i,"overlayImage"),i.push("</svg>"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('<?xml version="1.0" encoding="',e.encoding||"UTF-8",'" standalone="no" ?>','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(t,e){t.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',e.viewBox?e.viewBox.width:this.width,'" ','height="',e.viewBox?e.viewBox.height:this.height,'" ',this.backgroundColor&&!this.backgroundColor.toLive?'style="background-color: '+this.backgroundColor+'" ':null,e.viewBox?'viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':null,'xml:space="preserve">',"<desc>Created with Fabric.js ",fabric.version,"</desc>","<defs>",fabric.createSVGFontFacesMarkup(this.getObjects()),fabric.createSVGRefElementsMarkup(this),"</defs>")},_setSVGObjects:function(t,e){var i=this.getActiveGroup();i&&this.discardActiveGroup();for(var n=0,r=this.getObjects(),s=r.length;s>n;n++)t.push(r[n].toSVG(e));i&&(this.setActiveGroup(new fabric.Group(i.getObjects())),i.forEachObject(function(t){t.set("active",!0)}))},_setSVGBgOverlayImage:function(t,e){this[e]&&this[e].toSVG&&t.push(this[e].toSVG())},_setSVGBgOverlayColor:function(t,e){this[e]&&this[e].source?t.push('<rect x="',this[e].offsetX,'" y="',this[e].offsetY,'" ','width="',"repeat-y"===this[e].repeat||"no-repeat"===this[e].repeat?this[e].source.width:this.width,'" height="',"repeat-x"===this[e].repeat||"no-repeat"===this[e].repeat?this[e].source.height:this.height,'" fill="url(#'+e+'Pattern)"',"></rect>"):this[e]&&"overlayColor"===e&&t.push('<rect x="0" y="0" ','width="',this.width,'" height="',this.height,'" fill="',this[e],'"',"></rect>")},sendToBack:function(t){return i(this._objects,t),this._objects.unshift(t),this.renderAll&&this.renderAll()},bringToFront:function(t){return i(this._objects,t),this._objects.push(t),this.renderAll&&this.renderAll()},sendBackwards:function(t,e){var n=this._objects.indexOf(t);if(0!==n){var r=this._findNewLowerIndex(t,n,e);i(this._objects,t),this._objects.splice(r,0,t),this.renderAll&&this.renderAll()}return this},_findNewLowerIndex:function(t,e,i){var n;if(i){n=e;for(var r=e-1;r>=0;--r){var s=t.intersectsWithObject(this._objects[r])||t.isContainedWithinObject(this._objects[r])||this._objects[r].isContainedWithinObject(t);if(s){n=r;break}}}else n=e-1;return n},bringForward:function(t,e){var n=this._objects.indexOf(t);if(n!==this._objects.length-1){var r=this._findNewUpperIndex(t,n,e);i(this._objects,t),this._objects.splice(r,0,t),this.renderAll&&this.renderAll()}return this},_findNewUpperIndex:function(t,e,i){var n;if(i){n=e;for(var r=e+1;r<this._objects.length;++r){var s=t.intersectsWithObject(this._objects[r])||t.isContainedWithinObject(this._objects[r])||this._objects[r].isContainedWithinObject(t);if(s){n=r;break}}}else n=e+1;return n},moveTo:function(t,e){return i(this._objects,t),this._objects.splice(e,0,t),this.renderAll&&this.renderAll()},dispose:function(){return this.clear(),this.interactive&&this.removeListeners(),this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this.getObjects().length+" }>"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return"undefined"!=typeof i.getImageData;case"setLineDash":return"undefined"!=typeof i.setLineDash;case"toDataURL":return"undefined"!=typeof e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(n){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop;t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur,t.shadowOffsetX=this.shadow.offsetX,t.shadowOffsetY=this.shadow.offsetY}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),function(){var t=fabric.util.array.min,e=fabric.util.array.max;fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(t){this.canvas=t,this._points=[]},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){this._captureDrawingPath(t),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){this._points.push(t)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);this._addPoint(e)},_render:function(){var t=this.canvas.contextTop,e=this.canvas.viewportTransform,i=this._points[0],n=this._points[1];t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.beginPath(),2===this._points.length&&i.x===n.x&&i.y===n.y&&(i.x-=.5,n.x+=.5),t.moveTo(i.x,i.y);for(var r=1,s=this._points.length;s>r;r++){var o=i.midPointFrom(n);t.quadraticCurveTo(i.x,i.y,o.x,o.y),i=this._points[r],n=this._points[r+1]}t.lineTo(i.x,i.y),t.stroke(),t.restore()},_getSVGPathData:function(){return this.box=this.getPathBoundingBox(this._points),this.convertPointsToSVGPath(this._points,this.box.minX,this.box.minY)},getPathBoundingBox:function(i){for(var n=[],r=[],s=i[0],o=i[1],a=s,h=1,l=i.length;l>h;h++){var c=s.midPointFrom(o);n.push(a.x),n.push(c.x),r.push(a.y),r.push(c.y),s=i[h],o=i[h+1],a=c}return n.push(s.x),r.push(s.y),{minX:t(n),minY:t(r),maxX:e(n),maxY:e(r)}},convertPointsToSVGPath:function(t,e,i){var n=[],r=new fabric.Point(t[0].x-e,t[0].y-i),s=new fabric.Point(t[1].x-e,t[1].y-i);n.push("M ",t[0].x-e," ",t[0].y-i," ");for(var o=1,a=t.length;a>o;o++){var h=r.midPointFrom(s);n.push("Q ",r.x," ",r.y," ",h.x," ",h.y," "),r=new fabric.Point(t[o].x-e,t[o].y-i),o+1<t.length&&(s=new fabric.Point(t[o+1].x-e,t[o+1].y-i))}return n.push("L ",r.x," ",r.y," "),n},createPath:function(t){var e=new fabric.Path(t);return e.fill=null,e.stroke=this.color,e.strokeWidth=this.width,e.strokeLineCap=this.strokeLineCap,e.strokeLineJoin=this.strokeLineJoin,this.shadow&&(this.shadow.affectStroke=!0,e.setShadow(this.shadow)),e},_finalizeAndAddPath:function(){var t=this.canvas.contextTop;t.closePath();var e=this._getSVGPathData().join("");if("M 0 0 Q 0 0 0 0 L 0 0"===e)return void this.canvas.renderAll();var i=this.box.minX+(this.box.maxX-this.box.minX)/2,n=this.box.minY+(this.box.maxY-this.box.minY)/2;this.canvas.contextTop.arc(i,n,3,0,2*Math.PI,!1);var r=this.createPath(e);r.set({left:i,top:n,originX:"center",originY:"center"}),this.canvas.add(r),r.setCoords(),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderAll(),this.canvas.fire("path:created",{path:r})}})}(),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(t){this.canvas=t,this.points=[]},drawDot:function(t){var e=this.addPoint(t),i=this.canvas.contextTop,n=this.canvas.viewportTransform;i.save(),i.transform(n[0],n[1],n[2],n[3],n[4],n[5]),i.fillStyle=e.fill,i.beginPath(),i.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),i.closePath(),i.fill(),i.restore()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},onMouseMove:function(t){this.drawDot(t)},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,n=this.points.length;n>i;i++){var r=this.points[i],s=new fabric.Circle({radius:r.radius,left:r.x,top:r.y,originX:"center",originY:"center",fill:r.fill});this.shadow&&s.setShadow(this.shadow),e.push(s)}var o=new fabric.Group(e,{originX:"center",originY:"center"});o.canvas=this.canvas,this.canvas.add(o),this.canvas.fire("path:created",{path:o}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=t,this.canvas.renderAll()},addPoint:function(t){var e=new fabric.Point(t.x,t.y),i=fabric.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,n=new fabric.Color(this.color).setAlpha(fabric.util.getRandomInt(0,100)/100).toRgba();return e.radius=i,e.fill=n,this.points.push(e),e}}),fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(t){this.canvas=t,this.sprayChunks=[]},onMouseDown:function(t){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(t),this.render()},onMouseMove:function(t){this.addSprayChunk(t),this.render()},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,n=this.sprayChunks.length;n>i;i++)for(var r=this.sprayChunks[i],s=0,o=r.length;o>s;s++){var a=new fabric.Rect({width:r[s].width,height:r[s].width,left:r[s].x+1,top:r[s].y+1,originX:"center",originY:"center",fill:this.color});this.shadow&&a.setShadow(this.shadow),e.push(a)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var h=new fabric.Group(e,{originX:"center",originY:"center"});h.canvas=this.canvas,this.canvas.add(h),this.canvas.fire("path:created",{path:h}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=t,this.canvas.renderAll()},_getOptimizedRects:function(t){for(var e,i={},n=0,r=t.length;r>n;n++)e=t[n].left+""+t[n].top,i[e]||(i[e]=t[n]);var s=[];for(e in i)s.push(i[e]);return s},render:function(){var t=this.canvas.contextTop;t.fillStyle=this.color;var e=this.canvas.viewportTransform;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]);for(var i=0,n=this.sprayChunkPoints.length;n>i;i++){var r=this.sprayChunkPoints[i];"undefined"!=typeof r.opacity&&(t.globalAlpha=r.opacity),t.fillRect(r.x,r.y,r.width,r.width)}t.restore()},addSprayChunk:function(t){this.sprayChunkPoints=[];for(var e,i,n,r=this.width/2,s=0;s<this.density;s++){e=fabric.util.getRandomInt(t.x-r,t.x+r),i=fabric.util.getRandomInt(t.y-r,t.y+r),n=this.dotWidthVariance?fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var o=new fabric.Point(e,i);o.width=n,this.randomOpacity&&(o.opacity=fabric.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(o)}this.sprayChunks.push(this.sprayChunkPoints)}}),fabric.PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var t=20,e=5,i=fabric.document.createElement("canvas"),n=i.getContext("2d");return i.width=i.height=t+e,n.fillStyle=this.color,n.beginPath(),n.arc(t/2,t/2,t/2,0,2*Math.PI,!1),n.closePath(),n.fill(),i},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(){return this.canvas.contextTop.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(){this.callSuper("_setBrushStyles"),this.canvas.contextTop.strokeStyle=this.getPattern()},createPath:function(t){var e=this.callSuper("createPath",t);return e.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction()}),e}}),function(){var t=fabric.util.getPointer,e=fabric.util.degreesToRadians,i=fabric.util.radiansToDegrees,n=Math.atan2,r=Math.abs,s=.5;fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(t,e){e||(e={}),this._initStatic(t,e),this._initInteractive(),this._createCacheCanvas(),fabric.Canvas.activeInstance=this},uniScaleTransform:!1,centeredScaling:!1,centeredRotation:!1,interactive:!0,selection:!0,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",rotationCursor:"crosshair",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEventListeners(),this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this),this.calcOffset()},_resetCurrentTransform:function(t){var e=this._currentTransform;e.target.set({scaleX:e.original.scaleX,scaleY:e.original.scaleY,left:e.original.left,top:e.original.top}),this._shouldCenterTransform(t,e.target)?"rotate"===e.action?this._setOriginToCenter(e.target):("center"!==e.originX&&(e.mouseXSign="right"===e.originX?-1:1),"center"!==e.originY&&(e.mouseYSign="bottom"===e.originY?-1:1),e.originX="center",e.originY="center"):(e.originX=e.original.originX,e.originY=e.original.originY)},containsPoint:function(t,e){var i=this.getPointer(t,!0),n=this._normalizePointer(e,i);return e.containsPoint(n)||e._findTargetCorner(i)},_normalizePointer:function(t,e){var i,n=this.getActiveGroup(),r=e.x,s=e.y,o=n&&"group"!==t.type&&n.contains(t);return o&&(i=new fabric.Point(n.left,n.top),i=fabric.util.transformPoint(i,this.viewportTransform,!0),r-=i.x,s-=i.y),{x:r,y:s}},isTargetTransparent:function(t,e,i){var n=t.hasBorders,r=t.transparentCorners;t.hasBorders=t.transparentCorners=!1,this._draw(this.contextCache,t),t.hasBorders=n,t.transparentCorners=r;var s=fabric.util.isTransparent(this.contextCache,e,i,this.targetFindTolerance);return this.clearContext(this.contextCache),s},_shouldClearSelection:function(t,e){var i=this.getActiveGroup(),n=this.getActiveObject();return!e||e&&i&&!i.contains(e)&&i!==e&&!t.shiftKey||e&&!e.evented||e&&!e.selectable&&n&&n!==e},_shouldCenterTransform:function(t,e){if(e){var i,n=this._currentTransform;return"scale"===n.action||"scaleX"===n.action||"scaleY"===n.action?i=this.centeredScaling||e.centeredScaling:"rotate"===n.action&&(i=this.centeredRotation||e.centeredRotation),i?!t.altKey:t.altKey}},_getOriginFromCorner:function(t,e){var i={x:t.originX,y:t.originY};return"ml"===e||"tl"===e||"bl"===e?i.x="right":("mr"===e||"tr"===e||"br"===e)&&(i.x="left"),"tl"===e||"mt"===e||"tr"===e?i.y="bottom":("bl"===e||"mb"===e||"br"===e)&&(i.y="top"),i},_getActionFromCorner:function(t,e){var i="drag";return e&&(i="ml"===e||"mr"===e?"scaleX":"mt"===e||"mb"===e?"scaleY":"mtr"===e?"rotate":"scale"),i},_setupCurrentTransform:function(t,i){if(i){var n=this.getPointer(t),r=i._findTargetCorner(this.getPointer(t,!0)),s=this._getActionFromCorner(i,r),o=this._getOriginFromCorner(i,r);this._currentTransform={target:i,action:s,scaleX:i.scaleX,scaleY:i.scaleY,offsetX:n.x-i.left,offsetY:n.y-i.top,originX:o.x,originY:o.y,ex:n.x,ey:n.y,left:i.left,top:i.top,theta:e(i.angle),width:i.width*i.scaleX,mouseXSign:1,mouseYSign:1},this._currentTransform.original={left:i.left,top:i.top,scaleX:i.scaleX,scaleY:i.scaleY,originX:o.x,originY:o.y},this._resetCurrentTransform(t)}},_translateObject:function(t,e){var i=this._currentTransform.target;i.get("lockMovementX")||i.set("left",t-this._currentTransform.offsetX),i.get("lockMovementY")||i.set("top",e-this._currentTransform.offsetY)},_scaleObject:function(t,e,i){var n=this._currentTransform,r=n.target,s=r.get("lockScalingX"),o=r.get("lockScalingY"),a=r.get("lockScalingFlip");if(!s||!o){var h=r.translateToOriginPoint(r.getCenterPoint(),n.originX,n.originY),l=r.toLocalPoint(new fabric.Point(t,e),n.originX,n.originY);this._setLocalMouse(l,n),this._setObjectScale(l,n,s,o,i,a),r.setPositionByOrigin(h,n.originX,n.originY)}},_setObjectScale:function(t,e,i,n,r,s){var o=e.target,a=!1,h=!1;e.newScaleX=t.x/(o.width+o.strokeWidth),e.newScaleY=t.y/(o.height+o.strokeWidth),s&&e.newScaleX<=0&&e.newScaleX<o.scaleX&&(a=!0),s&&e.newScaleY<=0&&e.newScaleY<o.scaleY&&(h=!0),"equally"!==r||i||n?r?"x"!==r||o.get("lockUniScaling")?"y"===r&&!o.get("lockUniScaling")&&(h||n||o.set("scaleY",e.newScaleY)):a||i||o.set("scaleX",e.newScaleX):(a||i||o.set("scaleX",e.newScaleX),h||n||o.set("scaleY",e.newScaleY)):a||h||this._scaleObjectEqually(t,o,e),a||h||this._flipObject(e)},_scaleObjectEqually:function(t,e,i){var n=t.y+t.x,r=(e.height+e.strokeWidth)*i.original.scaleY+(e.width+e.strokeWidth)*i.original.scaleX;i.newScaleX=i.original.scaleX*n/r,i.newScaleY=i.original.scaleY*n/r,e.set("scaleX",i.newScaleX),e.set("scaleY",i.newScaleY)},_flipObject:function(t){t.newScaleX<0&&("left"===t.originX?t.originX="right":"right"===t.originX&&(t.originX="left")),t.newScaleY<0&&("top"===t.originY?t.originY="bottom":"bottom"===t.originY&&(t.originY="top"))},_setLocalMouse:function(t,e){var i=e.target;"right"===e.originX?t.x*=-1:"center"===e.originX&&(t.x*=2*e.mouseXSign,t.x<0&&(e.mouseXSign=-e.mouseXSign)),"bottom"===e.originY?t.y*=-1:"center"===e.originY&&(t.y*=2*e.mouseYSign,t.y<0&&(e.mouseYSign=-e.mouseYSign)),r(t.x)>i.padding?t.x<0?t.x+=i.padding:t.x-=i.padding:t.x=0,r(t.y)>i.padding?t.y<0?t.y+=i.padding:t.y-=i.padding:t.y=0},_rotateObject:function(t,e){var r=this._currentTransform;if(!r.target.get("lockRotation")){var s=n(r.ey-r.top,r.ex-r.left),o=n(e-r.top,t-r.left),a=i(o-s+r.theta);0>a&&(a=360+a),r.target.angle=a}},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.setAngle(0)},_drawSelection:function(){var t=this.contextTop,e=this._groupSelector,i=e.left,n=e.top,o=r(i),a=r(n);if(t.fillStyle=this.selectionColor,t.fillRect(e.ex-(i>0?0:-i),e.ey-(n>0?0:-n),o,a),t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1){var h=e.ex+s-(i>0?0:o),l=e.ey+s-(n>0?0:a);t.beginPath(),fabric.util.drawDashedLine(t,h,l,h+o,l,this.selectionDashArray),fabric.util.drawDashedLine(t,h,l+a-1,h+o,l+a-1,this.selectionDashArray),fabric.util.drawDashedLine(t,h,l,h,l+a,this.selectionDashArray),fabric.util.drawDashedLine(t,h+o-1,l,h+o-1,l+a,this.selectionDashArray),t.closePath(),t.stroke()}else t.strokeRect(e.ex+s-(i>0?0:o),e.ey+s-(n>0?0:a),o,a)},_isLastRenderedObject:function(t){return this.controlsAboveOverlay&&this.lastRenderedObjectWithControlsAboveOverlay&&this.lastRenderedObjectWithControlsAboveOverlay.visible&&this.containsPoint(t,this.lastRenderedObjectWithControlsAboveOverlay)&&this.lastRenderedObjectWithControlsAboveOverlay._findTargetCorner(this.getPointer(t,!0))},findTarget:function(t,e){if(!this.skipTargetFind){if(this._isLastRenderedObject(t))return this.lastRenderedObjectWithControlsAboveOverlay;var i=this.getActiveGroup();if(i&&!e&&this.containsPoint(t,i))return i;var n=this._searchPossibleTargets(t);return this._fireOverOutEvents(n),n}},_fireOverOutEvents:function(t){t?this._hoveredTarget!==t&&(this.fire("mouse:over",{target:t}),t.fire("mouseover"),this._hoveredTarget&&(this.fire("mouse:out",{target:this._hoveredTarget}),this._hoveredTarget.fire("mouseout")),this._hoveredTarget=t):this._hoveredTarget&&(this.fire("mouse:out",{target:this._hoveredTarget}),this._hoveredTarget.fire("mouseout"),this._hoveredTarget=null)},_checkTarget:function(t,e,i){if(e&&e.visible&&e.evented&&this.containsPoint(t,e)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;var n=this.isTargetTransparent(e,i.x,i.y);if(!n)return!0}},_searchPossibleTargets:function(t){for(var e,i=this.getPointer(t,!0),n=this._objects.length;n--;)if(this._checkTarget(t,this._objects[n],i)){this.relatedTarget=this._objects[n],e=this._objects[n];break}return e},getPointer:function(e,i,n){n||(n=this.upperCanvasEl);var r,s=t(e,n),o=n.getBoundingClientRect();return this.calcOffset(),s.x=s.x-this._offset.left,s.y=s.y-this._offset.top,i||(s=fabric.util.transformPoint(s,fabric.util.invertTransform(this.viewportTransform))),r=0===o.width||0===o.height?{width:1,height:1}:{width:n.width/o.width,height:n.height/o.height},{x:s.x*r.width,y:s.y*r.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+t),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{"class":this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.getWidth()+"px",height:this.getHeight()+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.getWidth()||t.width,i=this.getHeight()||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},_setActiveObject:function(t){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=t,t.set("active",!0)},setActiveObject:function(t,e){return this._setActiveObject(t),this.renderAll(),this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e}),this},getActiveObject:function(){return this._activeObject},_discardActiveObject:function(){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=null},discardActiveObject:function(t){return this._discardActiveObject(),this.renderAll(),this.fire("selection:cleared",{e:t}),this},_setActiveGroup:function(t){this._activeGroup=t,t&&t.set("active",!0)},setActiveGroup:function(t,e){return this._setActiveGroup(t),t&&(this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e})),this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var t=this.getActiveGroup();t&&t.destroy(),this.setActiveGroup(null)},discardActiveGroup:function(t){return this._discardActiveGroup(),this.fire("selection:cleared",{e:t}),this},deactivateAll:function(){for(var t=this.getObjects(),e=0,i=t.length;i>e;e++)t[e].set("active",!1);return this._discardActiveGroup(),this._discardActiveObject(),this},deactivateAllWithDispatch:function(t){var e=this.getActiveGroup()||this.getActiveObject();
return e&&this.fire("before:selection:cleared",{target:e,e:t}),this.deactivateAll(),e&&this.fire("selection:cleared",{e:t}),this},drawControls:function(t){var e=this.getActiveGroup();e?this._drawGroupControls(t,e):this._drawObjectsControls(t)},_drawGroupControls:function(t,e){e._renderControls(t)},_drawObjectsControls:function(t){for(var e=0,i=this._objects.length;i>e;++e)this._objects[e]&&this._objects[e].active&&(this._objects[e]._renderControls(t),this.lastRenderedObjectWithControlsAboveOverlay=this._objects[e])}});for(var o in fabric.StaticCanvas)"prototype"!==o&&(fabric.Canvas[o]=fabric.StaticCanvas[o]);fabric.isTouchSupported&&(fabric.Canvas.prototype._setCursorFromEvent=function(){}),fabric.Element=fabric.Canvas}(),function(){var t={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},e=fabric.util.addListener,i=fabric.util.removeListener;fabric.util.object.extend(fabric.Canvas.prototype,{cursorMap:["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],_initEventListeners:function(){this._bindEvents(),e(fabric.window,"resize",this._onResize),e(this.upperCanvasEl,"mousedown",this._onMouseDown),e(this.upperCanvasEl,"mousemove",this._onMouseMove),e(this.upperCanvasEl,"mousewheel",this._onMouseWheel),e(this.upperCanvasEl,"touchstart",this._onMouseDown),e(this.upperCanvasEl,"touchmove",this._onMouseMove),"undefined"!=typeof Event&&"add"in Event&&(Event.add(this.upperCanvasEl,"gesture",this._onGesture),Event.add(this.upperCanvasEl,"drag",this._onDrag),Event.add(this.upperCanvasEl,"orientation",this._onOrientationChange),Event.add(this.upperCanvasEl,"shake",this._onShake))},_bindEvents:function(){this._onMouseDown=this._onMouseDown.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this)},removeListeners:function(){i(fabric.window,"resize",this._onResize),i(this.upperCanvasEl,"mousedown",this._onMouseDown),i(this.upperCanvasEl,"mousemove",this._onMouseMove),i(this.upperCanvasEl,"mousewheel",this._onMouseWheel),i(this.upperCanvasEl,"touchstart",this._onMouseDown),i(this.upperCanvasEl,"touchmove",this._onMouseMove),"undefined"!=typeof Event&&"remove"in Event&&(Event.remove(this.upperCanvasEl,"gesture",this._onGesture),Event.remove(this.upperCanvasEl,"drag",this._onDrag),Event.remove(this.upperCanvasEl,"orientation",this._onOrientationChange),Event.remove(this.upperCanvasEl,"shake",this._onShake))},_onGesture:function(t,e){this.__onTransformGesture&&this.__onTransformGesture(t,e)},_onDrag:function(t,e){this.__onDrag&&this.__onDrag(t,e)},_onMouseWheel:function(t,e){this.__onMouseWheel&&this.__onMouseWheel(t,e)},_onOrientationChange:function(t,e){this.__onOrientationChange&&this.__onOrientationChange(t,e)},_onShake:function(t,e){this.__onShake&&this.__onShake(t,e)},_onMouseDown:function(t){this.__onMouseDown(t),e(fabric.document,"touchend",this._onMouseUp),e(fabric.document,"touchmove",this._onMouseMove),i(this.upperCanvasEl,"mousemove",this._onMouseMove),i(this.upperCanvasEl,"touchmove",this._onMouseMove),"touchstart"===t.type?i(this.upperCanvasEl,"mousedown",this._onMouseDown):(e(fabric.document,"mouseup",this._onMouseUp),e(fabric.document,"mousemove",this._onMouseMove))},_onMouseUp:function(t){if(this.__onMouseUp(t),i(fabric.document,"mouseup",this._onMouseUp),i(fabric.document,"touchend",this._onMouseUp),i(fabric.document,"mousemove",this._onMouseMove),i(fabric.document,"touchmove",this._onMouseMove),e(this.upperCanvasEl,"mousemove",this._onMouseMove),e(this.upperCanvasEl,"touchmove",this._onMouseMove),"touchend"===t.type){var n=this;setTimeout(function(){e(n.upperCanvasEl,"mousedown",n._onMouseDown)},400)}},_onMouseMove:function(t){!this.allowTouchScrolling&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)},_onResize:function(){this.calcOffset()},_shouldRender:function(t,e){var i=this.getActiveGroup()||this.getActiveObject();return!!(t&&(t.isMoving||t!==i)||!t&&i||!t&&!i&&!this._groupSelector||e&&this._previousPointer&&this.selection&&(e.x!==this._previousPointer.x||e.y!==this._previousPointer.y))},__onMouseUp:function(t){var e;if(this.isDrawingMode&&this._isCurrentlyDrawing)return void this._onMouseUpInDrawingMode(t);this._currentTransform?(this._finalizeCurrentTransform(),e=this._currentTransform.target):e=this.findTarget(t,!0);var i=this._shouldRender(e,this.getPointer(t));this._maybeGroupObjects(t),e&&(e.isMoving=!1),i&&this.renderAll(),this._handleCursorAndEvent(t,e)},_handleCursorAndEvent:function(t,e){this._setCursorFromEvent(t,e);var i=this;setTimeout(function(){i._setCursorFromEvent(t,e)},50),this.fire("mouse:up",{target:e,e:t}),e&&e.fire("mouseup",{e:t})},_finalizeCurrentTransform:function(){var t=this._currentTransform,e=t.target;e._scaling&&(e._scaling=!1),e.setCoords(),this.stateful&&e.hasStateChanged()&&(this.fire("object:modified",{target:e}),e.fire("modified")),this._restoreOriginXY(e)},_restoreOriginXY:function(t){if(this._previousOriginX&&this._previousOriginY){var e=t.translateToOriginPoint(t.getCenterPoint(),this._previousOriginX,this._previousOriginY);t.originX=this._previousOriginX,t.originY=this._previousOriginY,t.left=e.x,t.top=e.y,this._previousOriginX=null,this._previousOriginY=null}},_onMouseDownInDrawingMode:function(t){this._isCurrentlyDrawing=!0,this.discardActiveObject(t).renderAll(),this.clipTo&&fabric.util.clipContext(this,this.contextTop);var e=fabric.util.invertTransform(this.viewportTransform),i=fabric.util.transformPoint(this.getPointer(t,!0),e);this.freeDrawingBrush.onMouseDown(i),this.fire("mouse:down",{e:t})},_onMouseMoveInDrawingMode:function(t){if(this._isCurrentlyDrawing){var e=fabric.util.invertTransform(this.viewportTransform),i=fabric.util.transformPoint(this.getPointer(t,!0),e);this.freeDrawingBrush.onMouseMove(i)}this.setCursor(this.freeDrawingCursor),this.fire("mouse:move",{e:t})},_onMouseUpInDrawingMode:function(t){this._isCurrentlyDrawing=!1,this.clipTo&&this.contextTop.restore(),this.freeDrawingBrush.onMouseUp(),this.fire("mouse:up",{e:t})},__onMouseDown:function(t){var e="which"in t?1===t.which:1===t.button;if(e||fabric.isTouchSupported){if(this.isDrawingMode)return void this._onMouseDownInDrawingMode(t);if(!this._currentTransform){var i=this.findTarget(t),n=this.getPointer(t,!0);this._previousPointer=n;var r=this._shouldRender(i,n),s=this._shouldGroup(t,i);this._shouldClearSelection(t,i)?this._clearSelection(t,i,n):s&&(this._handleGrouping(t,i),i=this.getActiveGroup()),i&&i.selectable&&!s&&(this._beforeTransform(t,i),this._setupCurrentTransform(t,i)),r&&this.renderAll(),this.fire("mouse:down",{target:i,e:t}),i&&i.fire("mousedown",{e:t})}}},_beforeTransform:function(t,e){var i;this.stateful&&e.saveState(),(i=e._findTargetCorner(this.getPointer(t)))&&this.onBeforeScaleRotate(e),e!==this.getActiveGroup()&&e!==this.getActiveObject()&&(this.deactivateAll(),this.setActiveObject(e,t))},_clearSelection:function(t,e,i){this.deactivateAllWithDispatch(t),e&&e.selectable?this.setActiveObject(e,t):this.selection&&(this._groupSelector={ex:i.x,ey:i.y,top:0,left:0})},_setOriginToCenter:function(t){this._previousOriginX=this._currentTransform.target.originX,this._previousOriginY=this._currentTransform.target.originY;var e=t.getCenterPoint();t.originX="center",t.originY="center",t.left=e.x,t.top=e.y,this._currentTransform.left=t.left,this._currentTransform.top=t.top},_setCenterToOrigin:function(t){var e=t.translateToOriginPoint(t.getCenterPoint(),this._previousOriginX,this._previousOriginY);t.originX=this._previousOriginX,t.originY=this._previousOriginY,t.left=e.x,t.top=e.y,this._previousOriginX=null,this._previousOriginY=null},__onMouseMove:function(t){var e,i;if(this.isDrawingMode)return void this._onMouseMoveInDrawingMode(t);var n=this._groupSelector;n?(i=this.getPointer(t,!0),n.left=i.x-n.ex,n.top=i.y-n.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t),!e||e&&!e.selectable?this.setCursor(this.defaultCursor):this._setCursorFromEvent(t,e)),this.fire("mouse:move",{target:e,e:t}),e&&e.fire("mousemove",{e:t})},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),this.renderAll()},_performTransformAction:function(t,e,i){var n=i.x,r=i.y,s=e.target,o=e.action;"rotate"===o?(this._rotateObject(n,r),this._fire("rotating",s,t)):"scale"===o?(this._onScale(t,e,n,r),this._fire("scaling",s,t)):"scaleX"===o?(this._scaleObject(n,r,"x"),this._fire("scaling",s,t)):"scaleY"===o?(this._scaleObject(n,r,"y"),this._fire("scaling",s,t)):(this._translateObject(n,r),this._fire("moving",s,t),this.setCursor(this.moveCursor))},_fire:function(t,e,i){this.fire("object:"+t,{target:e,e:i}),e.fire(t,{e:i})},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(t,e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(t),e.reset=!0)}},_onScale:function(t,e,i,n){!t.shiftKey&&!this.uniScaleTransform||e.target.get("lockUniScaling")?(!e.reset&&"scale"===e.currentAction&&this._resetCurrentTransform(t,e.target),e.currentAction="scaleEqually",this._scaleObject(i,n,"equally")):(e.currentAction="scale",this._scaleObject(i,n))},_setCursorFromEvent:function(t,e){if(!e||!e.selectable)return this.setCursor(this.defaultCursor),!1;var i=this.getActiveGroup(),n=e._findTargetCorner&&(!i||!i.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));return n?this._setCornerCursor(n,e):this.setCursor(e.hoverCursor||this.hoverCursor),!0},_setCornerCursor:function(e,i){if(e in t)this.setCursor(this._getRotatedCornerCursor(e,i));else{if("mtr"!==e||!i.hasRotatingPoint)return this.setCursor(this.defaultCursor),!1;this.setCursor(this.rotationCursor)}},_getRotatedCornerCursor:function(e,i){var n=Math.round(i.getAngle()%360/45);return 0>n&&(n+=8),n+=t[e],n%=8,this.cursorMap[n]}})}(),function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this.getActiveObject();return t.shiftKey&&(this.getActiveGroup()||i&&i!==e)&&this.selection},_handleGrouping:function(t,e){(e!==this.getActiveGroup()||(e=this.findTarget(t,!0),e&&!e.isType("group")))&&(this.getActiveGroup()?this._updateActiveGroup(e,t):this._createActiveGroup(e,t),this._activeGroup&&this._activeGroup.saveCoords())},_updateActiveGroup:function(t,e){var i=this.getActiveGroup();if(i.contains(t)){if(i.removeWithUpdate(t),this._resetObjectTransform(i),t.set("active",!1),1===i.size())return this.discardActiveGroup(e),void this.setActiveObject(i.item(0))}else i.addWithUpdate(t),this._resetObjectTransform(i);this.fire("selection:created",{target:i,e:e}),i.set("active",!0)},_createActiveGroup:function(t,e){if(this._activeObject&&t!==this._activeObject){var i=this._createGroup(t);i.addWithUpdate(),this.setActiveGroup(i),this._activeObject=null,this.fire("selection:created",{target:i,e:e})}t.set("active",!0)},_createGroup:function(t){var e=this.getObjects(),i=e.indexOf(this._activeObject)<e.indexOf(t),n=i?[this._activeObject,t]:[t,this._activeObject];return new fabric.Group(n,{originX:"center",originY:"center",canvas:this})},_groupSelectedObjects:function(t){var e=this._collectObjects();1===e.length?this.setActiveObject(e[0],t):e.length>1&&(e=new fabric.Group(e.reverse(),{originX:"center",originY:"center",canvas:this}),e.addWithUpdate(),this.setActiveGroup(e,t),e.saveCoords(),this.fire("selection:created",{target:e}),this.renderAll())},_collectObjects:function(){for(var i,n=[],r=this._groupSelector.ex,s=this._groupSelector.ey,o=r+this._groupSelector.left,a=s+this._groupSelector.top,h=new fabric.Point(t(r,o),t(s,a)),l=new fabric.Point(e(r,o),e(s,a)),c=r===o&&s===a,u=this._objects.length;u--&&(i=this._objects[u],!(i&&i.selectable&&i.visible&&(i.intersectsWithRect(h,l)||i.isContainedWithinRect(h,l)||i.containsPoint(h)||i.containsPoint(l))&&(i.set("active",!0),n.push(i),c))););return n},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t);var e=this.getActiveGroup();e&&(e.setObjectsCoords().setCoords(),e.isMoving=!1,this.setCursor(this.defaultCursor)),this._groupSelector=null,this._currentTransform=null}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,n=t.multiplier||1,r={left:t.left,top:t.top,width:t.width,height:t.height};return 1!==n?this.__toDataURLWithMultiplier(e,i,r,n):this.__toDataURL(e,i,r)},__toDataURL:function(t,e,i){this.renderAll(!0);var n=this.upperCanvasEl||this.lowerCanvasEl,r=this.__getCroppedCanvas(n,i);"jpg"===t&&(t="jpeg");var s=fabric.StaticCanvas.supports("toDataURLWithQuality")?(r||n).toDataURL("image/"+t,e):(r||n).toDataURL("image/"+t);return this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),r&&(r=null),s},__getCroppedCanvas:function(t,e){var i,n,r="left"in e||"top"in e||"width"in e||"height"in e;return r&&(i=fabric.util.createCanvasElement(),n=i.getContext("2d"),i.width=e.width||this.width,i.height=e.height||this.height,n.drawImage(t,-e.left||0,-e.top||0)),i},__toDataURLWithMultiplier:function(t,e,i,n){var r=this.getWidth(),s=this.getHeight(),o=r*n,a=s*n,h=this.getActiveObject(),l=this.getActiveGroup(),c=this.contextTop||this.contextContainer;n>1&&this.setWidth(o).setHeight(a),c.scale(n,n),i.left&&(i.left*=n),i.top&&(i.top*=n),i.width?i.width*=n:1>n&&(i.width=o),i.height?i.height*=n:1>n&&(i.height=a),l?this._tempRemoveBordersControlsFromGroup(l):h&&this.deactivateAll&&this.deactivateAll(),this.renderAll(!0);var u=this.__toDataURL(t,e,i);return this.width=r,this.height=s,c.scale(1/n,1/n),this.setWidth(r).setHeight(s),l?this._restoreBordersControlsOnGroup(l):h&&this.setActiveObject&&this.setActiveObject(h),this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),u},toDataURLWithMultiplier:function(t,e,i){return this.toDataURL({format:t,multiplier:e,quality:i})},_tempRemoveBordersControlsFromGroup:function(t){t.origHasControls=t.hasControls,t.origBorderColor=t.borderColor,t.hasControls=!0,t.borderColor="rgba(0,0,0,0)",t.forEachObject(function(t){t.origBorderColor=t.borderColor,t.borderColor="rgba(0,0,0,0)"})},_restoreBordersControlsOnGroup:function(t){t.hideControls=t.origHideControls,t.borderColor=t.origBorderColor,t.forEachObject(function(t){t.borderColor=t.origBorderColor,delete t.origBorderColor})}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,i){return this.loadFromJSON(t,e,i)},loadFromJSON:function(t,e,i){if(t){var n="string"==typeof t?JSON.parse(t):t;this.clear();var r=this;return this._enlivenObjects(n.objects,function(){r._setBgOverlay(n,e)},i),this}},_setBgOverlay:function(t,e){var i=this,n={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!(t.backgroundImage||t.overlayImage||t.background||t.overlay))return void(e&&e());var r=function(){n.backgroundImage&&n.overlayImage&&n.backgroundColor&&n.overlayColor&&(i.renderAll(),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),r()},__setBgOverlay:function(t,e,i,n){var r=this;return e?void("backgroundImage"===t||"overlayImage"===t?fabric.Image.fromObject(e,function(e){r[t]=e,i[t]=!0,n&&n()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,n&&n()})):void(i[t]=!0)},_enlivenObjects:function(t,e,i){var n=this;if(!t||0===t.length)return void(e&&e());var r=this.renderOnAddRemove;this.renderOnAddRemove=!1,fabric.util.enlivenObjects(t,function(t){t.forEach(function(t,e){n.insertAt(t,e,!0)}),n.renderOnAddRemove=r,e&&e()},null,i)},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(n){i(n.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.document.createElement("canvas");e.width=this.getWidth(),e.height=this.getHeight();var i=new fabric.Canvas(e);i.clipTo=this.clipTo,this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.toFixed,r=e.util.string.capitalize,s=e.util.degreesToRadians,o=e.StaticCanvas.supports("setLineDash");e.Object||(e.Object=e.util.createClass({type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,cornerSize:12,transparentCorners:!0,hoverCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",cornerColor:"rgba(102,153,255,0.5)",centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"source-over",backgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockScalingFlip:!1,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill fillRule shadow clipTo visible backgroundColor".split(" "),initialize:function(t){t&&this.setOptions(t)},_initGradient:function(t){t.fill&&t.fill.colorStops&&!(t.fill instanceof e.Gradient)&&this.set("fill",new e.Gradient(t.fill))},_initPattern:function(t){t.fill&&t.fill.source&&!(t.fill instanceof e.Pattern)&&this.set("fill",new e.Pattern(t.fill)),t.stroke&&t.stroke.source&&!(t.stroke instanceof e.Pattern)&&this.set("stroke",new e.Pattern(t.stroke))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var i=e.util.getFunctionBody(t.clipTo);"undefined"!=typeof i&&(this.clipTo=new Function("ctx",i))}},setOptions:function(t){for(var e in t)this.set(e,t[e]);this._initGradient(t),this._initPattern(t),this._initClipping(t)},transform:function(t,e){this.group&&this.group.transform(t,e),t.globalAlpha=this.opacity;var i=e?this._getLeftTopCoords():this.getCenterPoint();t.translate(i.x,i.y),t.rotate(s(this.angle)),t.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1))},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,r={type:this.type,originX:this.originX,originY:this.originY,left:n(this.left,i),top:n(this.top,i),width:n(this.width,i),height:n(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:n(this.strokeWidth,i),strokeDashArray:this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:n(this.strokeMiterLimit,i),scaleX:n(this.scaleX,i),scaleY:n(this.scaleY,i),angle:n(this.getAngle(),i),flipX:this.flipX,flipY:this.flipY,opacity:n(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor};return this.includeDefaultValues||(r=this._removeDefaultValues(r)),e.util.populateWithProperties(this,r,t),r},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype,n=i.stateProperties;return n.forEach(function(e){t[e]===i[e]&&delete t[e]}),t},toString:function(){return"#<fabric."+r(this.type)+">"},get:function(t){return this[t]},_setObject:function(t){for(var e in t)this._set(e,t[e])},set:function(t,e){return"object"==typeof t?this._setObject(t):"function"==typeof e&&"clipTo"!==t?this._set(t,e(this.get(t))):this._set(t,e),this},_set:function(t,i){var r="scaleX"===t||"scaleY"===t;return r&&(i=this._constrainScale(i)),"scaleX"===t&&0>i?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&0>i?(this.flipY=!this.flipY,i*=-1):"width"===t||"height"===t?this.minScaleLimit=n(Math.min(.1,1/Math.max(this.width,this.height)),2):"shadow"===t&&i&&!(i instanceof e.Shadow)&&(i=new e.Shadow(i)),this[t]=i,this},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},setSourcePath:function(t){return this.sourcePath=t,this},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:[1,0,0,1,0,0]},render:function(t,i){if(0!==this.width&&0!==this.height&&this.visible){if(t.save(),this._setupFillRule(t),this._transform(t,i),this._setStrokeStyles(t),this._setFillStyles(t),this.group&&"path-group"===this.group.type){t.translate(-this.group.width/2,-this.group.height/2);var n=this.transformMatrix;n&&t.transform.apply(t,n)}t.globalAlpha=this.group?t.globalAlpha*this.opacity:this.opacity,this._setShadow(t),this.clipTo&&e.util.clipContext(this,t),this._render(t,i),this.clipTo&&t.restore(),this._removeShadow(t),this._restoreFillRule(t),t.restore()}},_transform:function(t,e){var i=this.transformMatrix;i&&!this.group&&t.setTransform.apply(t,i),e||this.transform(t)},_setStrokeStyles:function(t){this.stroke&&(t.lineWidth=this.strokeWidth,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,t.miterLimit=this.strokeMiterLimit,t.strokeStyle=this.stroke.toLive?this.stroke.toLive(t):this.stroke)},_setFillStyles:function(t){this.fill&&(t.fillStyle=this.fill.toLive?this.fill.toLive(t):this.fill)},_renderControls:function(t,i){var n=this.getViewportTransform();if(t.save(),this.active&&!i){var r;this.group&&(r=e.util.transformPoint(this.group.getCenterPoint(),n),t.translate(r.x,r.y),t.rotate(s(this.group.angle))),r=e.util.transformPoint(this.getCenterPoint(),n,null!=this.group),this.group&&(r.x*=this.group.scaleX,r.y*=this.group.scaleY),t.translate(r.x,r.y),t.rotate(s(this.angle)),this.drawBorders(t),this.drawControls(t)}t.restore()},_setShadow:function(t){this.shadow&&(t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur,t.shadowOffsetX=this.shadow.offsetX,t.shadowOffsetY=this.shadow.offsetY)},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_renderFill:function(t){if(this.fill){if(t.save(),this.fill.toLive&&t.translate(-this.width/2+this.fill.offsetX||0,-this.height/2+this.fill.offsetY||0),this.fill.gradientTransform){var e=this.fill.gradientTransform;t.transform.apply(t,e)}"destination-over"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore(),this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t)}},_renderStroke:function(t){if(this.stroke&&0!==this.strokeWidth){if(t.save(),this.strokeDashArray)1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),o?(t.setLineDash(this.strokeDashArray),this._stroke&&this._stroke(t)):this._renderDashedStroke&&this._renderDashedStroke(t),t.stroke();else{if(this.stroke.gradientTransform){var e=this.stroke.gradientTransform;t.transform.apply(t,e)}this._stroke?this._stroke(t):t.stroke()}this._removeShadow(t),t.restore()}},clone:function(t,i){return this.constructor.fromObject?this.constructor.fromObject(this.toObject(i),t):new e.Object(this.toObject(i))},cloneAsImage:function(t){var i=this.toDataURL();return e.util.loadImage(i,function(i){t&&t(new e.Image(i))}),this},toDataURL:function(t){t||(t={});var i=e.util.createCanvasElement(),n=this.getBoundingRect();i.width=n.width,i.height=n.height,e.util.wrapElement(i,"div");var r=new e.Canvas(i);"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(r.backgroundColor="#fff");var s={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new e.Point(i.width/2,i.height/2),"center","center");var o=this.canvas;r.add(this);var a=r.toDataURL(t);return this.set(s).setCoords(),this.canvas=o,r.dispose(),r=null,a},isType:function(t){return this.type===t},complexity:function(){return 0},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var n={colorStops:[]};n.type=i.type||(i.r1||i.r2?"radial":"linear"),n.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},(i.r1||i.r2)&&(n.coords.r1=i.r1,n.coords.r2=i.r2);for(var r in i.colorStops){var s=new e.Color(i.colorStops[r]);n.colorStops.push({offset:r,color:s.toRgb(),opacity:s.getAlpha()})}return this.set(t,e.Gradient.forObject(this,n))},setPatternFill:function(t){return this.set("fill",new e.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},setAngle:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas.centerObjectH(this),this},centerV:function(){return this.canvas.centerObjectV(this),this},center:function(){return this.canvas.centerObject(this),this},remove:function(){return this.canvas.remove(this),this},getLocalPointer:function(t,e){e=e||this.canvas.getPointer(t);var i=this.translateToOriginPoint(this.getCenterPoint(),"left","top");return{x:e.x-i.x,y:e.y-i.y}},_setupFillRule:function(t){this.fillRule&&(this._prevFillRule=t.globalCompositeOperation,t.globalCompositeOperation=this.fillRule)},_restoreFillRule:function(t){this.fillRule&&this._prevFillRule&&(t.globalCompositeOperation=this._prevFillRule)}}),e.util.createAccessors(e.Object),e.Object.prototype.rotate=e.Object.prototype.setAngle,i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{translateToCenterPoint:function(e,i,n){var r=e.x,s=e.y,o=this.stroke?this.strokeWidth:0;return"left"===i?r=e.x+(this.getWidth()+o*this.scaleX)/2:"right"===i&&(r=e.x-(this.getWidth()+o*this.scaleX)/2),"top"===n?s=e.y+(this.getHeight()+o*this.scaleY)/2:"bottom"===n&&(s=e.y-(this.getHeight()+o*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(r,s),e,t(this.angle))},translateToOriginPoint:function(e,i,n){var r=e.x,s=e.y,o=this.stroke?this.strokeWidth:0;return"left"===i?r=e.x-(this.getWidth()+o*this.scaleX)/2:"right"===i&&(r=e.x+(this.getWidth()+o*this.scaleX)/2),"top"===n?s=e.y-(this.getHeight()+o*this.scaleY)/2:"bottom"===n&&(s=e.y+(this.getHeight()+o*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(r,s),e,t(this.angle))},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,n){var r,s,o=this.getCenterPoint(),a=this.stroke?this.strokeWidth:0;return i&&n?(r="left"===i?o.x-(this.getWidth()+a*this.scaleX)/2:"right"===i?o.x+(this.getWidth()+a*this.scaleX)/2:o.x,s="top"===n?o.y-(this.getHeight()+a*this.scaleY)/2:"bottom"===n?o.y+(this.getHeight()+a*this.scaleY)/2:o.y):(r=this.left,s=this.top),fabric.util.rotatePoint(new fabric.Point(e.x,e.y),o,-t(this.angle)).subtractEquals(new fabric.Point(r,s))},setPositionByOrigin:function(t,e,i){var n=this.translateToCenterPoint(t,e,i),r=this.translateToOriginPoint(n,this.originX,this.originY);this.set("left",r.x),this.set("top",r.y)},adjustPosition:function(e){var i=t(this.angle),n=this.getWidth()/2,r=Math.cos(i)*n,s=Math.sin(i)*n,o=this.getWidth(),a=Math.cos(i)*o,h=Math.sin(i)*o;"center"===this.originX&&"left"===e||"right"===this.originX&&"center"===e?(this.left-=r,this.top-=s):"left"===this.originX&&"center"===e||"center"===this.originX&&"right"===e?(this.left+=r,this.top+=s):"left"===this.originX&&"right"===e?(this.left+=a,this.top+=h):"right"===this.originX&&"left"===e&&(this.left-=a,this.top-=h),this.setCoords(),this.originX=e},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","center")}})}(),function(){var t=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,intersectsWithRect:function(t,e){var i=this.oCoords,n=new fabric.Point(i.tl.x,i.tl.y),r=new fabric.Point(i.tr.x,i.tr.y),s=new fabric.Point(i.bl.x,i.bl.y),o=new fabric.Point(i.br.x,i.br.y),a=fabric.Intersection.intersectPolygonRectangle([n,r,o,s],t,e);return"Intersection"===a.status},intersectsWithObject:function(t){function e(t){return{tl:new fabric.Point(t.tl.x,t.tl.y),tr:new fabric.Point(t.tr.x,t.tr.y),bl:new fabric.Point(t.bl.x,t.bl.y),br:new fabric.Point(t.br.x,t.br.y)}}var i=e(this.oCoords),n=e(t.oCoords),r=fabric.Intersection.intersectPolygonPolygon([i.tl,i.tr,i.br,i.bl],[n.tl,n.tr,n.br,n.bl]);return"Intersection"===r.status},isContainedWithinObject:function(t){var e=t.getBoundingRect(),i=new fabric.Point(e.left,e.top),n=new fabric.Point(e.left+e.width,e.top+e.height);return this.isContainedWithinRect(i,n)},isContainedWithinRect:function(t,e){var i=this.getBoundingRect();return i.left>=t.x&&i.left+i.width<=e.x&&i.top>=t.y&&i.top+i.height<=e.y},containsPoint:function(t){var e=this._getImageLines(this.oCoords),i=this._findCrossPoints(t,e);return 0!==i&&i%2===1},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,n,r,s,o,a,h,l=0;for(var c in e)if(h=e[c],!(h.o.y<t.y&&h.d.y<t.y||h.o.y>=t.y&&h.d.y>=t.y||(h.o.x===h.d.x&&h.o.x>=t.x?(o=h.o.x,a=t.y):(i=0,n=(h.d.y-h.o.y)/(h.d.x-h.o.x),r=t.y-i*t.x,s=h.o.y-n*h.o.x,o=-(r-s)/(i-n),a=r+i*o),o>=t.x&&(l+=1),2!==l)))break;return l},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(){this.oCoords||this.setCoords();var t=[this.oCoords.tl.x,this.oCoords.tr.x,this.oCoords.br.x,this.oCoords.bl.x],e=fabric.util.array.min(t),i=fabric.util.array.max(t),n=Math.abs(e-i),r=[this.oCoords.tl.y,this.oCoords.tr.y,this.oCoords.br.y,this.oCoords.bl.y],s=fabric.util.array.min(r),o=fabric.util.array.max(r),a=Math.abs(s-o);return{left:e,top:s,width:n,height:a}},getWidth:function(){return this.width*this.scaleX},getHeight:function(){return this.height*this.scaleY},_constrainScale:function(t){return Math.abs(t)<this.minScaleLimit?0>t?-this.minScaleLimit:this.minScaleLimit:t},scale:function(t){return t=this._constrainScale(t),0>t&&(this.flipX=!this.flipX,this.flipY=!this.flipY,t*=-1),this.scaleX=t,this.scaleY=t,this.setCoords(),this},scaleToWidth:function(t){var e=this.getBoundingRectWidth()/this.getWidth();return this.scale(t/this.width/e)},scaleToHeight:function(t){var e=this.getBoundingRectHeight()/this.getHeight();return this.scale(t/this.height/e)},setCoords:function(){var e=this.strokeWidth>1?this.strokeWidth:0,i=t(this.angle),n=this.getViewportTransform(),r=function(t){return fabric.util.transformPoint(t,n)
},s=this.width,o=this.height,a="round"===this.strokeLineCap||"square"===this.strokeLineCap,h="line"===this.type&&1===this.width,l="line"===this.type&&1===this.height,c=a&&l||"line"!==this.type,u=a&&h||"line"!==this.type;h?s=e:l&&(o=e),c&&(s+=e),u&&(o+=e),this.currentWidth=s*this.scaleX,this.currentHeight=o*this.scaleY,this.currentWidth<0&&(this.currentWidth=Math.abs(this.currentWidth));var f=Math.sqrt(Math.pow(this.currentWidth/2,2)+Math.pow(this.currentHeight/2,2)),d=Math.atan(isFinite(this.currentHeight/this.currentWidth)?this.currentHeight/this.currentWidth:0),p=Math.cos(d+i)*f,g=Math.sin(d+i)*f,v=Math.sin(i),m=Math.cos(i),y=this.getCenterPoint(),b=new fabric.Point(this.currentWidth,this.currentHeight),x=new fabric.Point(y.x-p,y.y-g),w=new fabric.Point(x.x+b.x*m,x.y+b.x*v),_=new fabric.Point(x.x-b.y*v,x.y+b.y*m),C=new fabric.Point(x.x+b.x/2*m,x.y+b.x/2*v),S=r(x),k=r(w),T=r(new fabric.Point(w.x-b.y*v,w.y+b.y*m)),O=r(_),E=r(new fabric.Point(x.x-b.y/2*v,x.y+b.y/2*m)),A=r(C),j=r(new fabric.Point(w.x-b.y/2*v,w.y+b.y/2*m)),P=r(new fabric.Point(_.x+b.x/2*m,_.y+b.x/2*v)),D=r(new fabric.Point(C.x,C.y)),L=Math.cos(d+i)*this.padding*Math.sqrt(2),I=Math.sin(d+i)*this.padding*Math.sqrt(2);return S=S.add(new fabric.Point(-L,-I)),k=k.add(new fabric.Point(I,-L)),T=T.add(new fabric.Point(L,I)),O=O.add(new fabric.Point(-I,L)),E=E.add(new fabric.Point((-L-I)/2,(-I+L)/2)),A=A.add(new fabric.Point((I-L)/2,-(I+L)/2)),j=j.add(new fabric.Point((I+L)/2,(I-L)/2)),P=P.add(new fabric.Point((L-I)/2,(L+I)/2)),D=D.add(new fabric.Point((I-L)/2,-(I+L)/2)),this.oCoords={tl:S,tr:k,br:T,bl:O,ml:E,mt:A,mr:j,mb:P,mtr:D},this._setCornerCoords&&this._setCornerCoords(),this}})}(),fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){return this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?fabric.StaticCanvas.prototype.bringForward.call(this.group,this,t):this.canvas.bringForward(this,t),this},moveTo:function(t){return this.group?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas.moveTo(this,t),this}}),fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(){var t=this.fill?this.fill.toLive?"url(#SVGID_"+this.fill.id+")":this.fill:"none",e="destination-over"===this.fillRule?"evenodd":this.fillRule,i=this.stroke?this.stroke.toLive?"url(#SVGID_"+this.stroke.id+")":this.stroke:"none",n=this.strokeWidth?this.strokeWidth:"0",r=this.strokeDashArray?this.strokeDashArray.join(" "):"",s=this.strokeLineCap?this.strokeLineCap:"butt",o=this.strokeLineJoin?this.strokeLineJoin:"miter",a=this.strokeMiterLimit?this.strokeMiterLimit:"4",h="undefined"!=typeof this.opacity?this.opacity:"1",l=this.visible?"":" visibility: hidden;",c=this.shadow&&"text"!==this.type?"filter: url(#SVGID_"+this.shadow.id+");":"";return["stroke: ",i,"; ","stroke-width: ",n,"; ","stroke-dasharray: ",r,"; ","stroke-linecap: ",s,"; ","stroke-linejoin: ",o,"; ","stroke-miterlimit: ",a,"; ","fill: ",t,"; ","fill-rule: ",e,"; ","opacity: ",h,";",c,l].join("")},getSvgTransform:function(){if(this.group)return"";var t=fabric.util.toFixed,e=this.getAngle(),i=this.getViewportTransform(),n=fabric.util.transformPoint(this.getCenterPoint(),i),r=fabric.Object.NUM_FRACTION_DIGITS,s="path-group"===this.type?"":"translate("+t(n.x,r)+" "+t(n.y,r)+")",o=0!==e?" rotate("+t(e,r)+")":"",a=1===this.scaleX&&1===this.scaleY&&1===i[0]&&1===i[3]?"":" scale("+t(this.scaleX*i[0],r)+" "+t(this.scaleY*i[3],r)+")",h="path-group"===this.type?this.width*i[0]:0,l=this.flipX?" matrix(-1 0 0 1 "+h+" 0) ":"",c="path-group"===this.type?this.height*i[3]:0,u=this.flipY?" matrix(1 0 0 -1 0 "+c+")":"";return[s,o,a,l,u].join("")},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+")":""},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t}}),fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(){return this.stateProperties.some(function(t){return this.get(t)!==this.originalState[t]},this)},saveState:function(t){return this.stateProperties.forEach(function(t){this.originalState[t]=this.get(t)},this),t&&t.stateProperties&&t.stateProperties.forEach(function(t){this.originalState[t]=this.get(t)},this),this},setupState:function(){return this.originalState={},this.saveState(),this}}),function(){var t=fabric.util.degreesToRadians,e=function(){return"undefined"!=typeof G_vmlCanvasManager};fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(t){if(!this.hasControls||!this.active)return!1;var e,i,n=t.x,r=t.y;for(var s in this.oCoords)if(this.isControlVisible(s)&&("mtr"!==s||this.hasRotatingPoint)&&(!this.get("lockUniScaling")||"mt"!==s&&"mr"!==s&&"mb"!==s&&"ml"!==s)&&(i=this._getImageLines(this.oCoords[s].corner),e=this._findCrossPoints({x:n,y:r},i),0!==e&&e%2===1))return this.__corner=s,s;return!1},_setCornerCoords:function(){var e=this.oCoords,i=t(this.angle),n=t(45-this.angle),r=Math.sqrt(2*Math.pow(this.cornerSize,2))/2,s=r*Math.cos(n),o=r*Math.sin(n),a=Math.sin(i),h=Math.cos(i);e.tl.corner={tl:{x:e.tl.x-o,y:e.tl.y-s},tr:{x:e.tl.x+s,y:e.tl.y-o},bl:{x:e.tl.x-s,y:e.tl.y+o},br:{x:e.tl.x+o,y:e.tl.y+s}},e.tr.corner={tl:{x:e.tr.x-o,y:e.tr.y-s},tr:{x:e.tr.x+s,y:e.tr.y-o},br:{x:e.tr.x+o,y:e.tr.y+s},bl:{x:e.tr.x-s,y:e.tr.y+o}},e.bl.corner={tl:{x:e.bl.x-o,y:e.bl.y-s},bl:{x:e.bl.x-s,y:e.bl.y+o},br:{x:e.bl.x+o,y:e.bl.y+s},tr:{x:e.bl.x+s,y:e.bl.y-o}},e.br.corner={tr:{x:e.br.x+s,y:e.br.y-o},bl:{x:e.br.x-s,y:e.br.y+o},br:{x:e.br.x+o,y:e.br.y+s},tl:{x:e.br.x-o,y:e.br.y-s}},e.ml.corner={tl:{x:e.ml.x-o,y:e.ml.y-s},tr:{x:e.ml.x+s,y:e.ml.y-o},bl:{x:e.ml.x-s,y:e.ml.y+o},br:{x:e.ml.x+o,y:e.ml.y+s}},e.mt.corner={tl:{x:e.mt.x-o,y:e.mt.y-s},tr:{x:e.mt.x+s,y:e.mt.y-o},bl:{x:e.mt.x-s,y:e.mt.y+o},br:{x:e.mt.x+o,y:e.mt.y+s}},e.mr.corner={tl:{x:e.mr.x-o,y:e.mr.y-s},tr:{x:e.mr.x+s,y:e.mr.y-o},bl:{x:e.mr.x-s,y:e.mr.y+o},br:{x:e.mr.x+o,y:e.mr.y+s}},e.mb.corner={tl:{x:e.mb.x-o,y:e.mb.y-s},tr:{x:e.mb.x+s,y:e.mb.y-o},bl:{x:e.mb.x-s,y:e.mb.y+o},br:{x:e.mb.x+o,y:e.mb.y+s}},e.mtr.corner={tl:{x:e.mtr.x-o+a*this.rotatingPointOffset,y:e.mtr.y-s-h*this.rotatingPointOffset},tr:{x:e.mtr.x+s+a*this.rotatingPointOffset,y:e.mtr.y-o-h*this.rotatingPointOffset},bl:{x:e.mtr.x-s+a*this.rotatingPointOffset,y:e.mtr.y+o-h*this.rotatingPointOffset},br:{x:e.mtr.x+o+a*this.rotatingPointOffset,y:e.mtr.y+s-h*this.rotatingPointOffset}}},drawBorders:function(t){if(!this.hasBorders)return this;var e=this.padding,i=2*e,n=this.getViewportTransform();t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,t.strokeStyle=this.borderColor;var r=1/this._constrainScale(this.scaleX),s=1/this._constrainScale(this.scaleY);t.lineWidth=1/this.borderScaleFactor;var o=this.getWidth(),a=this.getHeight(),h=this.strokeWidth>1?this.strokeWidth:0,l="round"===this.strokeLineCap||"square"===this.strokeLineCap,c="line"===this.type&&1===this.width,u="line"===this.type&&1===this.height,f=l&&u||"line"!==this.type,d=l&&c||"line"!==this.type;c?o=h/r:u&&(a=h/s),f&&(o+=h/r),d&&(a+=h/s);var p=fabric.util.transformPoint(new fabric.Point(o,a),n,!0),g=p.x,v=p.y;if(this.group&&(g*=this.group.scaleX,v*=this.group.scaleY),t.strokeRect(~~(-(g/2)-e)-.5,~~(-(v/2)-e)-.5,~~(g+i)+1,~~(v+i)+1),this.hasRotatingPoint&&this.isControlVisible("mtr")&&!this.get("lockRotation")&&this.hasControls){var m=(-v-2*e)/2;t.beginPath(),t.moveTo(0,m),t.lineTo(0,m-this.rotatingPointOffset),t.closePath(),t.stroke()}return t.restore(),this},drawControls:function(t){if(!this.hasControls)return this;var e=this.cornerSize,i=e/2,n=this.getViewportTransform(),r=this.strokeWidth>1?this.strokeWidth:0,s=this.width,o=this.height,a="round"===this.strokeLineCap||"square"===this.strokeLineCap,h="line"===this.type&&1===this.width,l="line"===this.type&&1===this.height,c=a&&l||"line"!==this.type,u=a&&h||"line"!==this.type;h?s=r:l&&(o=r),c&&(s+=r),u&&(o+=r),s*=this.scaleX,o*=this.scaleY;var f=fabric.util.transformPoint(new fabric.Point(s,o),n,!0),d=f.x,p=f.y,g=-(d/2),v=-(p/2),m=this.padding,y=i,b=i-e,x=this.transparentCorners?"strokeRect":"fillRect";return t.save(),t.lineWidth=1,t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,t.strokeStyle=t.fillStyle=this.cornerColor,this._drawControl("tl",t,x,g-y-m,v-y-m),this._drawControl("tr",t,x,g+d-y+m,v-y-m),this._drawControl("bl",t,x,g-y-m,v+p+b+m),this._drawControl("br",t,x,g+d+b+m,v+p+b+m),this.get("lockUniScaling")||(this._drawControl("mt",t,x,g+d/2-y,v-y-m),this._drawControl("mb",t,x,g+d/2-y,v+p+b+m),this._drawControl("mr",t,x,g+d+b+m,v+p/2-y),this._drawControl("ml",t,x,g-y-m,v+p/2-y)),this.hasRotatingPoint&&this._drawControl("mtr",t,x,g+d/2-y,v-this.rotatingPointOffset-this.cornerSize/2-m),t.restore(),this},_drawControl:function(t,i,n,r,s){var o=this.cornerSize;this.isControlVisible(t)&&(e()||this.transparentCorners||i.clearRect(r,s,o,o),i[n](r,s,o,o))},isControlVisible:function(t){return this._getControlsVisibility()[t]},setControlVisible:function(t,e){return this._getControlsVisibility()[t]=e,this},setControlsVisibility:function(t){t||(t={});for(var e in t)this.setControlVisible(e,t[e]);return this},_getControlsVisibility:function(){return this._controlsVisibility||(this._controlsVisibility={tl:!0,tr:!0,br:!0,bl:!0,ml:!0,mt:!0,mr:!0,mb:!0,mtr:!0}),this._controlsVisibility}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(t,e){e=e||{};var i=function(){},n=e.onComplete||i,r=e.onChange||i,s=this;return fabric.util.animate({startValue:t.get("left"),endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),s.renderAll(),r()},onComplete:function(){t.setCoords(),n()}}),this},fxCenterObjectV:function(t,e){e=e||{};var i=function(){},n=e.onComplete||i,r=e.onChange||i,s=this;return fabric.util.animate({startValue:t.get("top"),endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),s.renderAll(),r()},onComplete:function(){t.setCoords(),n()}}),this},fxRemove:function(t,e){e=e||{};var i=function(){},n=e.onComplete||i,r=e.onChange||i,s=this;return fabric.util.animate({startValue:t.get("opacity"),endValue:0,duration:this.FX_DURATION,onStart:function(){t.set("active",!1)},onChange:function(e){t.set("opacity",e),s.renderAll(),r()},onComplete:function(){s.remove(t),n()}}),this}}),fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&"object"==typeof arguments[0]){var t,e,i=[];for(t in arguments[0])i.push(t);for(var n=0,r=i.length;r>n;n++)t=i[n],e=n!==r-1,this._animate(t,arguments[0][t],arguments[1],e)}else this._animate.apply(this,arguments);return this},_animate:function(t,e,i,n){var r,s=this;e=e.toString(),i=i?fabric.util.object.clone(i):{},~t.indexOf(".")&&(r=t.split("."));var o=r?this.get(r[0])[r[1]]:this.get(t);"from"in i||(i.from=o),e=~e.indexOf("=")?o+parseFloat(e.replace("=","")):parseFloat(e),fabric.util.animate({startValue:i.from,endValue:e,byValue:i.by,easing:i.easing,duration:i.duration,abort:i.abort&&function(){return i.abort.call(s)},onChange:function(e){r?s[r[0]][r[1]]=e:s.set(t,e),n||i.onChange&&i.onChange()},onComplete:function(){n||(s.setCoords(),i.onComplete&&i.onComplete())}})}}),function(t){"use strict";function e(t,e){var i=t.origin,n=t.axis1,r=t.axis2,s=t.dimension,o=e.nearest,a=e.center,h=e.farthest;return function(){switch(this.get(i)){case o:return Math.min(this.get(n),this.get(r));case a:return Math.min(this.get(n),this.get(r))+.5*this.get(s);case h:return Math.max(this.get(n),this.get(r))}}}var i=t.fabric||(t.fabric={}),n=i.util.object.extend,r={x1:1,x2:1,y1:1,y2:1},s=i.StaticCanvas.supports("setLineDash");return i.Line?void i.warn("fabric.Line is already defined"):(i.Line=i.util.createClass(i.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,initialize:function(t,e){e=e||{},t||(t=[0,0,0,0]),this.callSuper("initialize",e),this.set("x1",t[0]),this.set("y1",t[1]),this.set("x2",t[2]),this.set("y2",t[3]),this._setWidthHeight(e)},_setWidthHeight:function(t){t||(t={}),this.width=Math.abs(this.x2-this.x1)||1,this.height=Math.abs(this.y2-this.y1)||1,this.left="left"in t?t.left:this._getLeftToOriginX(),this.top="top"in t?t.top:this._getTopToOriginY()},_set:function(t,e){return this[t]=e,"undefined"!=typeof r[t]&&this._setWidthHeight(),this},_getLeftToOriginX:e({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:e({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t,e){if(t.beginPath(),e){var i=this.getCenterPoint();t.translate(i.x,i.y)}if(!this.strokeDashArray||this.strokeDashArray&&s){var n=this.x1<=this.x2?-1:1,r=this.y1<=this.y2?-1:1;t.moveTo(1===this.width?0:n*this.width/2,1===this.height?0:r*this.height/2),t.lineTo(1===this.width?0:-1*n*this.width/2,1===this.height?0:-1*r*this.height/2)}t.lineWidth=this.strokeWidth;var o=t.strokeStyle;t.strokeStyle=this.stroke||t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=o},_renderDashedStroke:function(t){var e=this.x1<=this.x2?-1:1,n=this.y1<=this.y2?-1:1,r=1===this.width?0:e*this.width/2,s=1===this.height?0:n*this.height/2;t.beginPath(),i.util.drawDashedLine(t,r,s,-r,-s,this.strokeDashArray),t.closePath()},toObject:function(t){return n(this.callSuper("toObject",t),{x1:this.get("x1"),y1:this.get("y1"),x2:this.get("x2"),y2:this.get("y2")})},toSVG:function(t){var e=this._createBaseSVGMarkup(),i="";if(!this.group){var n=-this.width/2-(this.x1>this.x2?this.x2:this.x1),r=-this.height/2-(this.y1>this.y2?this.y2:this.y1);i="translate("+n+", "+r+") "}return e.push("<line ",'x1="',this.x1,'" y1="',this.y1,'" x2="',this.x2,'" y2="',this.y2,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),i,this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")},complexity:function(){return 1}}),i.Line.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),i.Line.fromElement=function(t,e){var r=i.parseAttributes(t,i.Line.ATTRIBUTE_NAMES),s=[r.x1||0,r.y1||0,r.x2||0,r.y2||0];return new i.Line(s,n(r,e))},i.Line.fromObject=function(t){var e=[t.x1,t.y1,t.x2,t.y2];return new i.Line(e,t)},void 0)}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){return"radius"in t&&t.radius>0}var i=t.fabric||(t.fabric={}),n=2*Math.PI,r=i.util.object.extend;return i.Circle?void i.warn("fabric.Circle is already defined."):(i.Circle=i.util.createClass(i.Object,{type:"circle",radius:0,initialize:function(t){t=t||{},this.callSuper("initialize",t),this.set("radius",t.radius||0)},_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return r(this.callSuper("toObject",t),{radius:this.get("radius")})},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,n=0;return this.group&&(i=this.left+this.radius,n=this.top+this.radius),e.push("<circle ",'cx="'+i+'" cy="'+n+'" ','r="',this.radius,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")},_render:function(t,e){t.beginPath(),t.arc(e?this.left+this.radius:0,e?this.top+this.radius:0,this.radius,0,n,!1),this._renderFill(t),this._renderStroke(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){this.radius=t,this.set("width",2*t).set("height",2*t)},complexity:function(){return 1}}),i.Circle.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),i.Circle.fromElement=function(t,n){n||(n={});var s=i.parseAttributes(t,i.Circle.ATTRIBUTE_NAMES);if(!e(s))throw new Error("value of `r` attribute is required and can not be negative");s.left=s.left||0,s.top=s.top||0;var o=new i.Circle(r(s,n));return o.left-=o.radius,o.top-=o.radius,o},i.Circle.fromObject=function(t){return new i.Circle(t)},void 0)}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Triangle?void e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",initialize:function(t){t=t||{},this.callSuper("initialize",t),this.set("width",t.width||100).set("height",t.height||100)},_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=this.width/2,n=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,n,0,-n,this.strokeDashArray),e.util.drawDashedLine(t,0,-n,i,n,this.strokeDashArray),e.util.drawDashedLine(t,i,n,-i,n,this.strokeDashArray),t.closePath()},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.width/2,n=this.height/2,r=[-i+" "+n,"0 "+-n,i+" "+n].join(",");return e.push("<polygon ",'points="',r,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),t?t(e.join("")):e.join("")},complexity:function(){return 1}}),void(e.Triangle.fromObject=function(t){return new e.Triangle(t)}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI,n=e.util.object.extend;return e.Ellipse?void e.warn("fabric.Ellipse is already defined."):(e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,initialize:function(t){t=t||{},this.callSuper("initialize",t),this.set("rx",t.rx||0),this.set("ry",t.ry||0),this.set("width",2*this.get("rx")),this.set("height",2*this.get("ry"))},toObject:function(t){return n(this.callSuper("toObject",t),{rx:this.get("rx"),ry:this.get("ry")})},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,n=0;return this.group&&(i=this.left+this.rx,n=this.top+this.ry),e.push("<ellipse ",'cx="',i,'" cy="',n,'" ','rx="',this.rx,'" ry="',this.ry,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")},_render:function(t,e){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(e?this.left+this.rx:0,e?(this.top+this.ry)*this.rx/this.ry:0,this.rx,0,i,!1),t.restore(),this._renderFill(t),this._renderStroke(t)},complexity:function(){return 1}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i){i||(i={});var r=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);r.left=r.left||0,r.top=r.top||0;var s=new e.Ellipse(n(r,i));return s.top-=s.ry,s.left-=s.rx,s},e.Ellipse.fromObject=function(t){return new e.Ellipse(t)},void 0)}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)return void console.warn("fabric.Rect is already defined");var n=e.Object.prototype.stateProperties.concat();n.push("rx","ry","x","y"),e.Rect=e.util.createClass(e.Object,{stateProperties:n,type:"rect",rx:0,ry:0,strokeDashArray:null,initialize:function(t){t=t||{},this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t,e){if(1===this.width&&1===this.height)return void t.fillRect(0,0,1,1);var i=this.rx?Math.min(this.rx,this.width/2):0,n=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,s=this.height,o=e?this.left:0,a=e?this.top:0,h=0!==i||0!==n,l=.4477152502;t.beginPath(),e||t.translate(-this.width/2,-this.height/2),t.moveTo(o+i,a),t.lineTo(o+r-i,a),h&&t.bezierCurveTo(o+r-l*i,a,o+r,a+l*n,o+r,a+n),t.lineTo(o+r,a+s-n),h&&t.bezierCurveTo(o+r,a+s-l*n,o+r-l*i,a+s,o+r-i,a+s),t.lineTo(o+i,a+s),h&&t.bezierCurveTo(o+l*i,a+s,o,a+s-l*n,o,a+s-n),t.lineTo(o,a+n),h&&t.bezierCurveTo(o,a+l*n,o+l*i,a,o+i,a),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=-this.width/2,n=-this.height/2,r=this.width,s=this.height;t.beginPath(),e.util.drawDashedLine(t,i,n,i+r,n,this.strokeDashArray),e.util.drawDashedLine(t,i+r,n,i+r,n+s,this.strokeDashArray),e.util.drawDashedLine(t,i+r,n+s,i,n+s,this.strokeDashArray),e.util.drawDashedLine(t,i,n+s,i,n,this.strokeDashArray),t.closePath()},toObject:function(t){var e=i(this.callSuper("toObject",t),{rx:this.get("rx")||0,ry:this.get("ry")||0});return this.includeDefaultValues||this._removeDefaultValues(e),e},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.left,n=this.top;return this.group||(i=-this.width/2,n=-this.height/2),e.push("<rect ",'x="',i,'" y="',n,'" rx="',this.get("rx"),'" ry="',this.get("ry"),'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")},complexity:function(){return 1}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,n){if(!t)return null;n=n||{};var r=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);return r.left=r.left||0,r.top=r.top||0,new e.Rect(i(n?e.util.object.clone(n):{},r))},e.Rect.fromObject=function(t){return new e.Rect(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;return e.Polyline?void e.warn("fabric.Polyline is already defined"):(e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,initialize:function(t,e,i){e=e||{},this.set("points",t),this.callSuper("initialize",e),this._calcDimensions(i)},_calcDimensions:function(t){return e.Polygon.prototype._calcDimensions.call(this,t)},toObject:function(t){return e.Polygon.prototype.toObject.call(this,t)},toSVG:function(t){for(var e=[],n=this._createBaseSVGMarkup(),r=0,s=this.points.length;s>r;r++)e.push(i(this.points[r].x,2),",",i(this.points[r].y,2)," ");return n.push("<polyline ",'points="',e.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),t?t(n.join("")):n.join("")},_render:function(t){var e;t.beginPath(),t.moveTo(this.points[0].x,this.points[0].y);for(var i=0,n=this.points.length;n>i;i++)e=this.points[i],t.lineTo(e.x,e.y);this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i,n;t.beginPath();for(var r=0,s=this.points.length;s>r;r++)i=this.points[r],n=this.points[r+1]||i,e.util.drawDashedLine(t,i.x,i.y,n.x,n.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),e.Polyline.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polyline.fromElement=function(t,i){if(!t)return null;i||(i={});var n=e.parsePointsAttribute(t.getAttribute("points")),r=e.parseAttributes(t,e.Polyline.ATTRIBUTE_NAMES);return null===n?null:new e.Polyline(n,e.util.object.extend(r,i),!0)},e.Polyline.fromObject=function(t){var i=t.points;return new e.Polyline(i,t,!0)},void 0)}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.array.min,r=e.util.array.max,s=e.util.toFixed;return e.Polygon?void e.warn("fabric.Polygon is already defined"):(e.Polygon=e.util.createClass(e.Object,{type:"polygon",points:null,initialize:function(t,e,i){e=e||{},this.points=t,this.callSuper("initialize",e),this._calcDimensions(i)},_calcDimensions:function(t){var e=this.points,i=n(e,"x"),s=n(e,"y"),o=r(e,"x"),a=r(e,"y");if(this.width=o-i||1,this.height=a-s||1,this.minX=i,this.minY=s,!t){var h=this.width/2+this.minX,l=this.height/2+this.minY;this.points.forEach(function(t){t.x-=h,t.y-=l},this)}},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),n=0,r=this.points.length;r>n;n++)e.push(s(this.points[n].x,2),",",s(this.points[n].y,2)," ");return i.push("<polygon ",'points="',e.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),t?t(i.join("")):i.join("")},_render:function(t){var e;t.beginPath(),t.moveTo(this.points[0].x,this.points[0].y);for(var i=0,n=this.points.length;n>i;i++)e=this.points[i],t.lineTo(e.x,e.y);this._renderFill(t),(this.stroke||this.strokeDashArray)&&(t.closePath(),this._renderStroke(t))},_renderDashedStroke:function(t){var i,n;t.beginPath();for(var r=0,s=this.points.length;s>r;r++)i=this.points[r],n=this.points[r+1]||this.points[0],e.util.drawDashedLine(t,i.x,i.y,n.x,n.y,this.strokeDashArray);t.closePath()},complexity:function(){return this.points.length}}),e.Polygon.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polygon.fromElement=function(t,n){if(!t)return null;n||(n={});var r=e.parsePointsAttribute(t.getAttribute("points")),s=e.parseAttributes(t,e.Polygon.ATTRIBUTE_NAMES);return null===r?null:new e.Polygon(r,i(s,n),!0)},e.Polygon.fromObject=function(t){return new e.Polygon(t.points,t,!0)},void 0)}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){return"H"===t[0]?t[1]:t[t.length-2]}function i(t){return"V"===t[0]?t[1]:t[t.length-1]}var n=t.fabric||(t.fabric={}),r=n.util.array.min,s=n.util.array.max,o=n.util.object.extend,a=Object.prototype.toString,h=n.util.drawArc,l={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},c={m:"l",M:"L"};return n.Path?void n.warn("fabric.Path is already defined"):(n.Path=n.util.createClass(n.Object,{type:"path",path:null,initialize:function(t,e){if(e=e||{},this.setOptions(e),!t)throw new Error("`path` argument is required");var i="[object Array]"===a.call(t);this.path=i?t:t.match&&t.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi),this.path&&(i||(this.path=this._parsePath()),this._initializePath(e),e.sourcePath&&this.setSourcePath(e.sourcePath))},_initializePath:function(t){var e="width"in t&&null!=t.width,i="height"in t&&null!=t.width,n="left"in t,r="top"in t,s=n?this.left:0,a=r?this.top:0;e&&i?(r||(this.top=this.height/2),n||(this.left=this.width/2)):(o(this,this._parseDimensions()),e&&(this.width=t.width),i&&(this.height=t.height)),this.pathOffset=this.pathOffset||this._calculatePathOffset(s,a)},_calculatePathOffset:function(t,e){return{x:this.left-t-this.width/2,y:this.top-e-this.height/2}},_render:function(t,e){var i,n,r,s,o,a=null,l=0,c=0,u=0,f=0,d=0,p=0,g=-(this.width/2+this.pathOffset.x),v=-(this.height/2+this.pathOffset.y);e&&(g+=this.width/2,v+=this.height/2);for(var m=0,y=this.path.length;y>m;++m){switch(i=this.path[m],i[0]){case"l":u+=i[1],f+=i[2],t.lineTo(u+g,f+v);break;case"L":u=i[1],f=i[2],t.lineTo(u+g,f+v);break;case"h":u+=i[1],t.lineTo(u+g,f+v);break;case"H":u=i[1],t.lineTo(u+g,f+v);break;case"v":f+=i[1],t.lineTo(u+g,f+v);break;case"V":f=i[1],t.lineTo(u+g,f+v);break;case"m":u+=i[1],f+=i[2],l=u,c=f,t.moveTo(u+g,f+v);break;case"M":u=i[1],f=i[2],l=u,c=f,t.moveTo(u+g,f+v);break;case"c":n=u+i[5],r=f+i[6],d=u+i[3],p=f+i[4],t.bezierCurveTo(u+i[1]+g,f+i[2]+v,d+g,p+v,n+g,r+v),u=n,f=r;break;case"C":u=i[5],f=i[6],d=i[3],p=i[4],t.bezierCurveTo(i[1]+g,i[2]+v,d+g,p+v,u+g,f+v);break;case"s":n=u+i[3],r=f+i[4],d=d?2*u-d:u,p=p?2*f-p:f,t.bezierCurveTo(d+g,p+v,u+i[1]+g,f+i[2]+v,n+g,r+v),d=u+i[1],p=f+i[2],u=n,f=r;break;case"S":n=i[3],r=i[4],d=2*u-d,p=2*f-p,t.bezierCurveTo(d+g,p+v,i[1]+g,i[2]+v,n+g,r+v),u=n,f=r,d=i[1],p=i[2];break;case"q":n=u+i[3],r=f+i[4],d=u+i[1],p=f+i[2],t.quadraticCurveTo(d+g,p+v,n+g,r+v),u=n,f=r;break;case"Q":n=i[3],r=i[4],t.quadraticCurveTo(i[1]+g,i[2]+v,n+g,r+v),u=n,f=r,d=i[1],p=i[2];break;case"t":n=u+i[1],r=f+i[2],null===a[0].match(/[QqTt]/)?(d=u,p=f):"t"===a[0]?(d=2*u-s,p=2*f-o):"q"===a[0]&&(d=2*u-d,p=2*f-p),s=d,o=p,t.quadraticCurveTo(d+g,p+v,n+g,r+v),u=n,f=r,d=u+i[1],p=f+i[2];break;case"T":n=i[1],r=i[2],d=2*u-d,p=2*f-p,t.quadraticCurveTo(d+g,p+v,n+g,r+v),u=n,f=r;break;case"a":h(t,u+g,f+v,[i[1],i[2],i[3],i[4],i[5],i[6]+u+g,i[7]+f+v]),u+=i[6],f+=i[7];break;case"A":h(t,u+g,f+v,[i[1],i[2],i[3],i[4],i[5],i[6]+g,i[7]+v]),u=i[6],f=i[7];break;case"z":case"Z":u=l,f=c,t.closePath()}a=i}},render:function(t,e){if(this.visible){t.save(),e&&t.translate(-this.width/2,-this.height/2);var i=this.transformMatrix;i&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),e||this.transform(t),this._setStrokeStyles(t),this._setFillStyles(t),this._setShadow(t),this.clipTo&&n.util.clipContext(this,t),t.beginPath(),t.globalAlpha=this.group?t.globalAlpha*this.opacity:this.opacity,this._render(t,e),this._renderFill(t),this._renderStroke(t),this.clipTo&&t.restore(),this._removeShadow(t),t.restore()}},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(t){var e=o(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()}),pathOffset:this.pathOffset});return this.sourcePath&&(e.sourcePath=this.sourcePath),this.transformMatrix&&(e.transformMatrix=this.transformMatrix),e},toDatalessObject:function(t){var e=this.toObject(t);return this.sourcePath&&(e.path=this.sourcePath),delete e.sourcePath,e},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),n=0,r=this.path.length;r>n;n++)e.push(this.path[n].join(" "));var s=e.join(" ");return i.push("<path ",'d="',s,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'" stroke-linecap="round" ',"/>\n"),t?t(i.join("")):i.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,n,r,s=[],o=[],a=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,h=0,u=this.path.length;u>h;h++){for(t=this.path[h],n=t.slice(1).trim(),o.length=0;i=a.exec(n);)o.push(i[0]);r=[t.charAt(0)];for(var f=0,d=o.length;d>f;f++)e=parseFloat(o[f]),isNaN(e)||r.push(e);var p=r[0],g=l[p.toLowerCase()],v=c[p]||p;if(r.length-1>g)for(var m=1,y=r.length;y>m;m+=g)s.push([p].concat(r.slice(m,m+g))),p=v;else s.push(r)}return s},_parseDimensions:function(){var t=[],e=[],i={};this.path.forEach(function(n,r){this._getCoordsFromCommand(n,r,t,e,i)},this);var n=r(t),o=r(e),a=s(t),h=s(e),l=a-n,c=h-o,u={left:this.left+(n+l/2),top:this.top+(o+c/2),width:l,height:c};return u},_getCoordsFromCommand:function(t,n,r,s,o){var a=!1;"H"!==t[0]&&(o.x=e(0===n?t:this.path[n-1])),"V"!==t[0]&&(o.y=i(0===n?t:this.path[n-1])),t[0]===t[0].toLowerCase()&&(a=!0);var h,l=this._getXY(t,a,o);h=parseInt(l.x,10),isNaN(h)||r.push(h),h=parseInt(l.y,10),isNaN(h)||s.push(h)},_getXY:function(t,n,r){var s=n?r.x+e(t):"V"===t[0]?r.x:e(t),o=n?r.y+i(t):"H"===t[0]?r.y:i(t);return{x:s,y:o}}}),n.Path.fromObject=function(t,e){"string"==typeof t.path?n.loadSVGFromURL(t.path,function(i){var r=i[0],s=t.path;delete t.path,n.util.object.extend(r,t),r.setSourcePath(s),e(r)}):e(new n.Path(t.path,t))},n.Path.ATTRIBUTE_NAMES=n.SHARED_ATTRIBUTES.concat(["d"]),n.Path.fromElement=function(t,e,i){var r=n.parseAttributes(t,n.Path.ATTRIBUTE_NAMES);e&&e(new n.Path(r.d,o(r,i)))},n.Path.async=!0,void 0)}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.array.invoke,r=e.Object.prototype.toObject;return e.PathGroup?void e.warn("fabric.PathGroup is already defined"):(e.PathGroup=e.util.createClass(e.Path,{type:"path-group",fill:"",initialize:function(t,e){e=e||{},this.paths=t||[];for(var i=this.paths.length;i--;)this.paths[i].group=this;this.setOptions(e),e.widthAttr&&(this.scaleX=e.widthAttr/e.width),e.heightAttr&&(this.scaleY=e.heightAttr/e.height),this.setCoords(),e.sourcePath&&this.setSourcePath(e.sourcePath)},render:function(t){if(this.visible){t.save();var i=this.transformMatrix;i&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this.transform(t),this._setShadow(t),this.clipTo&&e.util.clipContext(this,t);for(var n=0,r=this.paths.length;r>n;++n)this.paths[n].render(t,!0);this.clipTo&&t.restore(),this._removeShadow(t),t.restore()
}},_set:function(t,e){if("fill"===t&&e&&this.isSameColor())for(var i=this.paths.length;i--;)this.paths[i]._set(t,e);return this.callSuper("_set",t,e)},toObject:function(t){var e=i(r.call(this,t),{paths:n(this.getObjects(),"toObject",t)});return this.sourcePath&&(e.sourcePath=this.sourcePath),e},toDatalessObject:function(t){var e=this.toObject(t);return this.sourcePath&&(e.paths=this.sourcePath),e},toSVG:function(t){for(var e=this.getObjects(),i="translate("+this.left+" "+this.top+")",n=["<g ",'style="',this.getSvgStyles(),'" ','transform="',i,this.getSvgTransform(),'" ',">\n"],r=0,s=e.length;s>r;r++)n.push(e[r].toSVG(t));return n.push("</g>\n"),t?t(n.join("")):n.join("")},toString:function(){return"#<fabric.PathGroup ("+this.complexity()+"): { top: "+this.top+", left: "+this.left+" }>"},isSameColor:function(){var t=(this.getObjects()[0].get("fill")||"").toLowerCase();return this.getObjects().every(function(e){return(e.get("fill")||"").toLowerCase()===t})},complexity:function(){return this.paths.reduce(function(t,e){return t+(e&&e.complexity?e.complexity():0)},0)},getObjects:function(){return this.paths}}),e.PathGroup.fromObject=function(t,i){"string"==typeof t.paths?e.loadSVGFromURL(t.paths,function(n){var r=t.paths;delete t.paths;var s=e.util.groupSVGElements(n,t,r);i(s)}):e.util.enlivenObjects(t.paths,function(n){delete t.paths,i(new e.PathGroup(n,t))})},e.PathGroup.async=!0,void 0)}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.array.min,r=e.util.array.max,s=e.util.array.invoke;if(!e.Group){var o={lockMovementX:!0,lockMovementY:!0,lockRotation:!0,lockScalingX:!0,lockScalingY:!0,lockUniScaling:!0};e.Group=e.util.createClass(e.Object,e.Collection,{type:"group",initialize:function(t,e){e=e||{},this._objects=t||[];for(var n=this._objects.length;n--;)this._objects[n].group=this;this.originalState={},this.callSuper("initialize"),this._calcBounds(),this._updateObjectsCoords(),e&&i(this,e),this._setOpacityIfSame(),this.setCoords(),this.saveCoords()},_updateObjectsCoords:function(){this.forEachObject(this._updateObjectCoords,this)},_updateObjectCoords:function(t){var e=t.getLeft(),i=t.getTop();t.set({originalLeft:e,originalTop:i,left:e-this.left,top:i-this.top}),t.setCoords(),t.__origHasControls=t.hasControls,t.hasControls=!1},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(t){return this._restoreObjectsState(),t&&(this._objects.push(t),t.group=this),this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this},_setObjectActive:function(t){t.set("active",!0),t.group=this},removeWithUpdate:function(t){return this._moveFlippedObject(t),this._restoreObjectsState(),this.forEachObject(this._setObjectActive,this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this},_onObjectAdded:function(t){t.group=this},_onObjectRemoved:function(t){delete t.group,t.set("active",!1)},delegatedProperties:{fill:!0,opacity:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(t,e){if(t in this.delegatedProperties){var i=this._objects.length;for(this[t]=e;i--;)this._objects[i].set(t,e)}else this[t]=e},toObject:function(t){return i(this.callSuper("toObject",t),{objects:s(this._objects,"toObject",t)})},render:function(t){if(this.visible){t.save(),this.clipTo&&e.util.clipContext(this,t);for(var i=0,n=this._objects.length;n>i;i++)this._renderObject(this._objects[i],t);this.clipTo&&t.restore(),t.restore()}},_renderControls:function(t,e){this.callSuper("_renderControls",t,e);for(var i=0,n=this._objects.length;n>i;i++)this._objects[i]._renderControls(t)},_renderObject:function(t,e){var i=t.hasRotatingPoint;t.visible&&(t.hasRotatingPoint=!1,t.render(e),t.hasRotatingPoint=i)},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},_moveFlippedObject:function(t){var e=t.get("originX"),i=t.get("originY"),n=t.getCenterPoint();t.set({originX:"center",originY:"center",left:n.x,top:n.y}),this._toggleFlipping(t);var r=t.getPointByOrigin(e,i);return t.set({originX:e,originY:i,left:r.x,top:r.y}),this},_toggleFlipping:function(t){this.flipX&&(t.toggle("flipX"),t.set("left",-t.get("left")),t.setAngle(-t.getAngle())),this.flipY&&(t.toggle("flipY"),t.set("top",-t.get("top")),t.setAngle(-t.getAngle()))},_restoreObjectState:function(t){return this._setObjectPosition(t),t.setCoords(),t.hasControls=t.__origHasControls,delete t.__origHasControls,t.set("active",!1),t.setCoords(),delete t.group,this},_setObjectPosition:function(t){var e=this.getLeft(),i=this.getTop(),n=this._getRotatedLeftTop(t);t.set({angle:t.getAngle()+this.getAngle(),left:e+n.left,top:i+n.top,scaleX:t.get("scaleX")*this.get("scaleX"),scaleY:t.get("scaleY")*this.get("scaleY")})},_getRotatedLeftTop:function(t){var e=this.getAngle()*(Math.PI/180);return{left:-Math.sin(e)*t.getTop()*this.get("scaleY")+Math.cos(e)*t.getLeft()*this.get("scaleX"),top:Math.cos(e)*t.getTop()*this.get("scaleY")+Math.sin(e)*t.getLeft()*this.get("scaleX")}},destroy:function(){return this._objects.forEach(this._moveFlippedObject,this),this._restoreObjectsState()},saveCoords:function(){return this._originalLeft=this.get("left"),this._originalTop=this.get("top"),this},hasMoved:function(){return this._originalLeft!==this.get("left")||this._originalTop!==this.get("top")},setObjectsCoords:function(){return this.forEachObject(function(t){t.setCoords()}),this},_setOpacityIfSame:function(){var t=this.getObjects(),e=t[0]?t[0].get("opacity"):1,i=t.every(function(t){return t.get("opacity")===e});i&&(this.opacity=e)},_calcBounds:function(t){for(var e,i=[],n=[],r=0,s=this._objects.length;s>r;++r){e=this._objects[r],e.setCoords();for(var o in e.oCoords)i.push(e.oCoords[o].x),n.push(e.oCoords[o].y)}this.set(this._getBounds(i,n,t))},_getBounds:function(t,i,s){var o=e.util.invertTransform(this.getViewportTransform()),a=e.util.transformPoint(new e.Point(n(t),n(i)),o),h=e.util.transformPoint(new e.Point(r(t),r(i)),o),l={width:h.x-a.x||0,height:h.y-a.y||0};return s||(l.left=(a.x+h.x)/2||0,l.top=(a.y+h.y)/2||0),l},toSVG:function(t){for(var e=["<g ",'transform="',this.getSvgTransform(),'">\n'],i=0,n=this._objects.length;n>i;i++)e.push(this._objects[i].toSVG(t));return e.push("</g>\n"),t?t(e.join("")):e.join("")},get:function(t){if(t in o){if(this[t])return this[t];for(var e=0,i=this._objects.length;i>e;e++)if(this._objects[e][t])return!0;return!1}return t in this.delegatedProperties?this._objects[0]&&this._objects[0].get(t):this[t]}}),e.Group.fromObject=function(t,i){e.util.enlivenObjects(t.objects,function(n){delete t.objects,i&&i(new e.Group(n,t))})},e.Group.async=!0}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=fabric.util.object.extend;return t.fabric||(t.fabric={}),t.fabric.Image?void fabric.warn("fabric.Image is already defined."):(fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",crossOrigin:"",initialize:function(t,e){e||(e={}),this.filters=[],this.callSuper("initialize",e),this._initElement(t,e),this._initConfig(e),e.filters&&(this.filters=e.filters,this.applyFilters())},getElement:function(){return this._element},setElement:function(t,e){return this._element=t,this._originalElement=t,this._initConfig(),0!==this.filters.length&&this.applyFilters(e),this},setCrossOrigin:function(t){return this.crossOrigin=t,this._element.crossOrigin=t,this},getOriginalSize:function(){var t=this.getElement();return{width:t.width,height:t.height}},_stroke:function(t){t.save(),this._setStrokeStyles(t),t.beginPath(),t.strokeRect(-this.width/2,-this.height/2,this.width,this.height),t.closePath(),t.restore()},_renderDashedStroke:function(t){var e=-this.width/2,i=-this.height/2,n=this.width,r=this.height;t.save(),this._setStrokeStyles(t),t.beginPath(),fabric.util.drawDashedLine(t,e,i,e+n,i,this.strokeDashArray),fabric.util.drawDashedLine(t,e+n,i,e+n,i+r,this.strokeDashArray),fabric.util.drawDashedLine(t,e+n,i+r,e,i+r,this.strokeDashArray),fabric.util.drawDashedLine(t,e,i+r,e,i,this.strokeDashArray),t.closePath(),t.restore()},toObject:function(t){return e(this.callSuper("toObject",t),{src:this._originalElement.src||this._originalElement._src,filters:this.filters.map(function(t){return t&&t.toObject()}),crossOrigin:this.crossOrigin})},toSVG:function(t){var e=[],i=-this.width/2,n=-this.height/2;if(this.group&&(i=this.left,n=this.top),e.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n','<image xlink:href="',this.getSvgSrc(),'" x="',i,'" y="',n,'" style="',this.getSvgStyles(),'" width="',this.width,'" height="',this.height,'" preserveAspectRatio="none"',"></image>\n"),this.stroke||this.strokeDashArray){var r=this.fill;this.fill=null,e.push("<rect ",'x="',i,'" y="',n,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'),this.fill=r}return e.push("</g>\n"),t?t(e.join("")):e.join("")},getSrc:function(){return this.getElement()?this.getElement().src||this.getElement()._src:void 0},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},clone:function(t,e){this.constructor.fromObject(this.toObject(e),t)},applyFilters:function(t){if(this._originalElement){if(0===this.filters.length)return this._element=this._originalElement,void(t&&t());var e=this._originalElement,i=fabric.util.createCanvasElement(),n=fabric.util.createImage(),r=this;return i.width=e.width,i.height=e.height,i.getContext("2d").drawImage(e,0,0,e.width,e.height),this.filters.forEach(function(t){t&&t.applyTo(i)}),n.width=e.width,n.height=e.height,fabric.isLikelyNode?(n.src=i.toBuffer(void 0,fabric.Image.pngCompression),r._element=n,t&&t()):(n.onload=function(){r._element=n,t&&t(),n.onload=i=e=null},n.src=i.toDataURL("image/png")),this}},_render:function(t,e){this._element&&t.drawImage(this._element,e?this.left:-this.width/2,e?this.top:-this.height/2,this.width,this.height),this._renderStroke(t)},_resetWidthHeight:function(){var t=this.getElement();this.set("width",t.width),this.set("height",t.height)},_initElement:function(t){this.setElement(fabric.util.getById(t)),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(t,e){t.filters&&t.filters.length?fabric.util.enlivenObjects(t.filters,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){this.width="width"in t?t.width:this.getElement()?this.getElement().width||0:0,this.height="height"in t?t.height:this.getElement()?this.getElement().height||0:0},complexity:function(){return 1}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(t,e){fabric.util.loadImage(t.src,function(i){fabric.Image.prototype._initFilters.call(t,t,function(n){t.filters=n||[];var r=new fabric.Image(i,t);e&&e(r)})},null,t.crossOrigin)},fabric.Image.fromURL=function(t,e,i){fabric.util.loadImage(t,function(t){e(new fabric.Image(t,i))},null,i&&i.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height xlink:href".split(" ")),fabric.Image.fromElement=function(t,i,n){var r=fabric.parseAttributes(t,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(r["xlink:href"],i,e(n?fabric.util.object.clone(n):{},r))},fabric.Image.async=!0,fabric.Image.pngCompression=1,void 0)}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.getAngle()%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(t){t=t||{};var e=function(){},i=t.onComplete||e,n=t.onChange||e,r=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){r.setAngle(t),n()},onComplete:function(){r.setCoords(),i()},onStart:function(){r.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.renderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.renderAll.bind(this)}),this}}),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",toObject:function(){return{type:this.type}},toJSON:function(){return this.toObject()}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Brightness=e.util.createClass(e.Image.filters.BaseFilter,{type:"Brightness",initialize:function(t){t=t||{},this.brightness=t.brightness||0},applyTo:function(t){for(var e=t.getContext("2d"),i=e.getImageData(0,0,t.width,t.height),n=i.data,r=this.brightness,s=0,o=n.length;o>s;s+=4)n[s]+=r,n[s+1]+=r,n[s+2]+=r;e.putImageData(i,0,0)},toObject:function(){return i(this.callSuper("toObject"),{brightness:this.brightness})}}),e.Image.filters.Brightness.fromObject=function(t){return new e.Image.filters.Brightness(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Convolute=e.util.createClass(e.Image.filters.BaseFilter,{type:"Convolute",initialize:function(t){t=t||{},this.opaque=t.opaque,this.matrix=t.matrix||[0,0,0,0,1,0,0,0,0];var i=e.util.createCanvasElement();this.tmpCtx=i.getContext("2d")},_createImageData:function(t,e){return this.tmpCtx.createImageData(t,e)},applyTo:function(t){for(var e=this.matrix,i=t.getContext("2d"),n=i.getImageData(0,0,t.width,t.height),r=Math.round(Math.sqrt(e.length)),s=Math.floor(r/2),o=n.data,a=n.width,h=n.height,l=a,c=h,u=this._createImageData(l,c),f=u.data,d=this.opaque?1:0,p=0;c>p;p++)for(var g=0;l>g;g++){for(var v=p,m=g,y=4*(p*l+g),b=0,x=0,w=0,_=0,C=0;r>C;C++)for(var S=0;r>S;S++){var k=v+C-s,T=m+S-s;if(!(0>k||k>h||0>T||T>a)){var O=4*(k*a+T),E=e[C*r+S];b+=o[O]*E,x+=o[O+1]*E,w+=o[O+2]*E,_+=o[O+3]*E}}f[y]=b,f[y+1]=x,f[y+2]=w,f[y+3]=_+d*(255-_)}i.putImageData(u,0,0)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=function(t){return new e.Image.filters.Convolute(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.GradientTransparency=e.util.createClass(e.Image.filters.BaseFilter,{type:"GradientTransparency",initialize:function(t){t=t||{},this.threshold=t.threshold||100},applyTo:function(t){for(var e=t.getContext("2d"),i=e.getImageData(0,0,t.width,t.height),n=i.data,r=this.threshold,s=n.length,o=0,a=n.length;a>o;o+=4)n[o+3]=r+255*(s-o)/s;e.putImageData(i,0,0)},toObject:function(){return i(this.callSuper("toObject"),{threshold:this.threshold})}}),e.Image.filters.GradientTransparency.fromObject=function(t){return new e.Image.filters.GradientTransparency(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Image.filters.Grayscale=e.util.createClass(e.Image.filters.BaseFilter,{type:"Grayscale",applyTo:function(t){for(var e,i=t.getContext("2d"),n=i.getImageData(0,0,t.width,t.height),r=n.data,s=n.width*n.height*4,o=0;s>o;)e=(r[o]+r[o+1]+r[o+2])/3,r[o]=e,r[o+1]=e,r[o+2]=e,o+=4;i.putImageData(n,0,0)}}),e.Image.filters.Grayscale.fromObject=function(){return new e.Image.filters.Grayscale}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Image.filters.Invert=e.util.createClass(e.Image.filters.BaseFilter,{type:"Invert",applyTo:function(t){var e,i=t.getContext("2d"),n=i.getImageData(0,0,t.width,t.height),r=n.data,s=r.length;for(e=0;s>e;e+=4)r[e]=255-r[e],r[e+1]=255-r[e+1],r[e+2]=255-r[e+2];i.putImageData(n,0,0)}}),e.Image.filters.Invert.fromObject=function(){return new e.Image.filters.Invert}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Mask=e.util.createClass(e.Image.filters.BaseFilter,{type:"Mask",initialize:function(t){t=t||{},this.mask=t.mask,this.channel=[0,1,2,3].indexOf(t.channel)>-1?t.channel:0},applyTo:function(t){if(this.mask){var i,n=t.getContext("2d"),r=n.getImageData(0,0,t.width,t.height),s=r.data,o=this.mask.getElement(),a=e.util.createCanvasElement(),h=this.channel,l=r.width*r.height*4;a.width=o.width,a.height=o.height,a.getContext("2d").drawImage(o,0,0,o.width,o.height);var c=a.getContext("2d").getImageData(0,0,o.width,o.height),u=c.data;for(i=0;l>i;i+=4)s[i+3]=u[i+h];n.putImageData(r,0,0)}},toObject:function(){return i(this.callSuper("toObject"),{mask:this.mask.toObject(),channel:this.channel})}}),e.Image.filters.Mask.fromObject=function(t,i){e.util.loadImage(t.mask.src,function(n){t.mask=new e.Image(n,t.mask),i&&i(new e.Image.filters.Mask(t))})},e.Image.filters.Mask.async=!0}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Noise=e.util.createClass(e.Image.filters.BaseFilter,{type:"Noise",initialize:function(t){t=t||{},this.noise=t.noise||0},applyTo:function(t){for(var e,i=t.getContext("2d"),n=i.getImageData(0,0,t.width,t.height),r=n.data,s=this.noise,o=0,a=r.length;a>o;o+=4)e=(.5-Math.random())*s,r[o]+=e,r[o+1]+=e,r[o+2]+=e;i.putImageData(n,0,0)},toObject:function(){return i(this.callSuper("toObject"),{noise:this.noise})}}),e.Image.filters.Noise.fromObject=function(t){return new e.Image.filters.Noise(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Pixelate=e.util.createClass(e.Image.filters.BaseFilter,{type:"Pixelate",initialize:function(t){t=t||{},this.blocksize=t.blocksize||4},applyTo:function(t){var e,i,n,r,s,o,a,h=t.getContext("2d"),l=h.getImageData(0,0,t.width,t.height),c=l.data,u=l.height,f=l.width;for(i=0;u>i;i+=this.blocksize)for(n=0;f>n;n+=this.blocksize){e=4*i*f+4*n,r=c[e],s=c[e+1],o=c[e+2],a=c[e+3];for(var d=i,p=i+this.blocksize;p>d;d++)for(var g=n,v=n+this.blocksize;v>g;g++)e=4*d*f+4*g,c[e]=r,c[e+1]=s,c[e+2]=o,c[e+3]=a}h.putImageData(l,0,0)},toObject:function(){return i(this.callSuper("toObject"),{blocksize:this.blocksize})}}),e.Image.filters.Pixelate.fromObject=function(t){return new e.Image.filters.Pixelate(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.RemoveWhite=e.util.createClass(e.Image.filters.BaseFilter,{type:"RemoveWhite",initialize:function(t){t=t||{},this.threshold=t.threshold||30,this.distance=t.distance||20},applyTo:function(t){for(var e,i,n,r=t.getContext("2d"),s=r.getImageData(0,0,t.width,t.height),o=s.data,a=this.threshold,h=this.distance,l=255-a,c=Math.abs,u=0,f=o.length;f>u;u+=4)e=o[u],i=o[u+1],n=o[u+2],e>l&&i>l&&n>l&&c(e-i)<h&&c(e-n)<h&&c(i-n)<h&&(o[u+3]=1);r.putImageData(s,0,0)},toObject:function(){return i(this.callSuper("toObject"),{threshold:this.threshold,distance:this.distance})}}),e.Image.filters.RemoveWhite.fromObject=function(t){return new e.Image.filters.RemoveWhite(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Image.filters.Sepia=e.util.createClass(e.Image.filters.BaseFilter,{type:"Sepia",applyTo:function(t){var e,i,n=t.getContext("2d"),r=n.getImageData(0,0,t.width,t.height),s=r.data,o=s.length;for(e=0;o>e;e+=4)i=.3*s[e]+.59*s[e+1]+.11*s[e+2],s[e]=i+100,s[e+1]=i+50,s[e+2]=i+255;n.putImageData(r,0,0)}}),e.Image.filters.Sepia.fromObject=function(){return new e.Image.filters.Sepia}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Image.filters.Sepia2=e.util.createClass(e.Image.filters.BaseFilter,{type:"Sepia2",applyTo:function(t){var e,i,n,r,s=t.getContext("2d"),o=s.getImageData(0,0,t.width,t.height),a=o.data,h=a.length;for(e=0;h>e;e+=4)i=a[e],n=a[e+1],r=a[e+2],a[e]=(.393*i+.769*n+.189*r)/1.351,a[e+1]=(.349*i+.686*n+.168*r)/1.203,a[e+2]=(.272*i+.534*n+.131*r)/2.14;s.putImageData(o,0,0)}}),e.Image.filters.Sepia2.fromObject=function(){return new e.Image.filters.Sepia2}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Tint=e.util.createClass(e.Image.filters.BaseFilter,{type:"Tint",initialize:function(t){t=t||{},this.color=t.color||"#000000",this.opacity="undefined"!=typeof t.opacity?t.opacity:new e.Color(this.color).getAlpha()},applyTo:function(t){var i,n,r,s,o,a,h,l,c,u=t.getContext("2d"),f=u.getImageData(0,0,t.width,t.height),d=f.data,p=d.length;for(c=new e.Color(this.color).getSource(),n=c[0]*this.opacity,r=c[1]*this.opacity,s=c[2]*this.opacity,l=1-this.opacity,i=0;p>i;i+=4)o=d[i],a=d[i+1],h=d[i+2],d[i]=n+o*l,d[i+1]=r+a*l,d[i+2]=s+h*l;u.putImageData(f,0,0)},toObject:function(){return i(this.callSuper("toObject"),{color:this.color,opacity:this.opacity})}}),e.Image.filters.Tint.fromObject=function(t){return new e.Image.filters.Tint(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Image.filters.Multiply=e.util.createClass(e.Image.filters.BaseFilter,{type:"Multiply",initialize:function(t){t=t||{},this.color=t.color||"#000000"},applyTo:function(t){var i,n,r=t.getContext("2d"),s=r.getImageData(0,0,t.width,t.height),o=s.data,a=o.length;for(n=new e.Color(this.color).getSource(),i=0;a>i;i+=4)o[i]*=n[0]/255,o[i+1]*=n[1]/255,o[i+2]*=n[2]/255;r.putImageData(s,0,0)},toObject:function(){return i(this.callSuper("toObject"),{color:this.color})}}),e.Image.filters.Multiply.fromObject=function(t){return new e.Image.filters.Multiply(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric;e.Image.filters.Blend=e.util.createClass({type:"Blend",initialize:function(t){t=t||{},this.color=t.color||"#000",this.image=t.image||!1,this.mode=t.mode||"multiply",this.alpha=t.alpha||1},applyTo:function(t){var i,n,r,s,o,a,h,l=t.getContext("2d"),c=l.getImageData(0,0,t.width,t.height),u=c.data,f=!1;if(this.image){f=!0;var d=e.util.createCanvasElement();d.width=this.image.width,d.height=this.image.height;var p=new e.StaticCanvas(d);p.add(this.image);var g=p.getContext("2d");h=g.getImageData(0,0,p.width,p.height).data}else h=new e.Color(this.color).getSource(),i=h[0]*this.alpha,n=h[1]*this.alpha,r=h[2]*this.alpha;for(var v=0,m=u.length;m>v;v+=4)switch(s=u[v],o=u[v+1],a=u[v+2],f&&(i=h[v]*this.alpha,n=h[v+1]*this.alpha,r=h[v+2]*this.alpha),this.mode){case"multiply":u[v]=s*i/255,u[v+1]=o*n/255,u[v+2]=a*r/255;break;case"screen":u[v]=1-(1-s)*(1-i),u[v+1]=1-(1-o)*(1-n),u[v+2]=1-(1-a)*(1-r);break;case"add":u[v]=Math.min(255,s+i),u[v+1]=Math.min(255,o+n),u[v+2]=Math.min(255,a+r);break;case"diff":case"difference":u[v]=Math.abs(s-i),u[v+1]=Math.abs(o-n),u[v+2]=Math.abs(a-r);break;case"subtract":var y=s-i,b=o-n,x=a-r;u[v]=0>y?0:y,u[v+1]=0>b?0:b,u[v+2]=0>x?0:x;break;case"darken":u[v]=Math.min(s,i),u[v+1]=Math.min(o,n),u[v+2]=Math.min(a,r);break;case"lighten":u[v]=Math.max(s,i),u[v+1]=Math.max(o,n),u[v+2]=Math.max(a,r)}l.putImageData(c,0,0)}}),e.Image.filters.Blend.fromObject=function(t){return new e.Image.filters.Blend(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.object.clone,r=e.util.toFixed,s=e.StaticCanvas.supports("setLineDash");if(e.Text)return void e.warn("fabric.Text is already defined");var o=e.Object.prototype.stateProperties.concat();o.push("fontFamily","fontWeight","fontSize","text","textDecoration","textAlign","fontStyle","lineHeight","textBackgroundColor","useNative","path"),e.Text=e.util.createClass(e.Object,{_dimensionAffectingProps:{fontSize:!0,fontWeight:!0,fontFamily:!0,textDecoration:!0,fontStyle:!0,lineHeight:!0,stroke:!0,strokeWidth:!0,text:!0},_reNewline:/\r?\n/,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",textDecoration:"",textAlign:"left",fontStyle:"",lineHeight:1.3,textBackgroundColor:"",path:null,useNative:!0,stateProperties:o,stroke:null,shadow:null,initialize:function(t,e){e=e||{},this.text=t,this.__skipDimension=!0,this.setOptions(e),this.__skipDimension=!1,this._initDimensions()},_initDimensions:function(){if(!this.__skipDimension){var t=e.util.createCanvasElement();this._render(t.getContext("2d"))}},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_render:function(t){"undefined"==typeof Cufon||this.useNative===!0?this._renderViaNative(t):this._renderViaCufon(t)},_renderViaNative:function(t){var i=this.text.split(this._reNewline);this._setTextStyles(t),this.width=this._getTextWidth(t,i),this.height=this._getTextHeight(t,i),this.clipTo&&e.util.clipContext(this,t),this._renderTextBackground(t,i),this._translateForTextAlign(t),this._renderText(t,i),"left"!==this.textAlign&&"justify"!==this.textAlign&&t.restore(),this._renderTextDecoration(t,i),this.clipTo&&t.restore(),this._setBoundaries(t,i),this._totalLineHeight=0},_renderText:function(t,e){t.save(),this._setShadow(t),this._setupFillRule(t),this._renderTextFill(t,e),this._renderTextStroke(t,e),this._restoreFillRule(t),this._removeShadow(t),t.restore()},_translateForTextAlign:function(t){"left"!==this.textAlign&&"justify"!==this.textAlign&&(t.save(),t.translate("center"===this.textAlign?this.width/2:this.width,0))},_setBoundaries:function(t,e){this._boundaries=[];for(var i=0,n=e.length;n>i;i++){var r=this._getLineWidth(t,e[i]),s=this._getLineLeftOffset(r);this._boundaries.push({height:this.fontSize*this.lineHeight,width:r,left:s})}},_setTextStyles:function(t){this._setFillStyles(t),this._setStrokeStyles(t),t.textBaseline="alphabetic",this.skipTextAlign||(t.textAlign=this.textAlign),t.font=this._getFontDeclaration()},_getTextHeight:function(t,e){return this.fontSize*e.length*this.lineHeight},_getTextWidth:function(t,e){for(var i=t.measureText(e[0]||"|").width,n=1,r=e.length;r>n;n++){var s=t.measureText(e[n]).width;s>i&&(i=s)}return i},_renderChars:function(t,e,i,n,r){e[t](i,n,r)},_renderTextLine:function(t,e,i,n,r,s){if(r-=this.fontSize/4,"justify"!==this.textAlign)return void this._renderChars(t,e,i,n,r,s);var o=e.measureText(i).width,a=this.width;if(a>o)for(var h=i.split(/\s+/),l=e.measureText(i.replace(/\s+/g,"")).width,c=a-l,u=h.length-1,f=c/u,d=0,p=0,g=h.length;g>p;p++)this._renderChars(t,e,h[p],n+d,r,s),d+=e.measureText(h[p]).width+f;else this._renderChars(t,e,i,n,r,s)},_getLeftOffset:function(){return e.isLikelyNode?0:-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextFill:function(t,e){if(this.fill||this._skipFillStrokeCheck){this._boundaries=[];for(var i=0,n=0,r=e.length;r>n;n++){var s=this._getHeightOfLine(t,n,e);i+=s,this._renderTextLine("fillText",t,e[n],this._getLeftOffset(),this._getTopOffset()+i,n)}}},_renderTextStroke:function(t,e){if(this.stroke&&0!==this.strokeWidth||this._skipFillStrokeCheck){var i=0;t.save(),this.strokeDashArray&&(1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),s&&t.setLineDash(this.strokeDashArray)),t.beginPath();for(var n=0,r=e.length;r>n;n++){var o=this._getHeightOfLine(t,n,e);i+=o,this._renderTextLine("strokeText",t,e[n],this._getLeftOffset(),this._getTopOffset()+i,n)}t.closePath(),t.restore()}},_getHeightOfLine:function(){return this.fontSize*this.lineHeight},_renderTextBackground:function(t,e){this._renderTextBoxBackground(t),this._renderTextLinesBackground(t,e)},_renderTextBoxBackground:function(t){this.backgroundColor&&(t.save(),t.fillStyle=this.backgroundColor,t.fillRect(this._getLeftOffset(),this._getTopOffset(),this.width,this.height),t.restore())},_renderTextLinesBackground:function(t,e){if(this.textBackgroundColor){t.save(),t.fillStyle=this.textBackgroundColor;for(var i=0,n=e.length;n>i;i++)if(""!==e[i]){var r=this._getLineWidth(t,e[i]),s=this._getLineLeftOffset(r);t.fillRect(this._getLeftOffset()+s,this._getTopOffset()+i*this.fontSize*this.lineHeight,r,this.fontSize*this.lineHeight)}t.restore()}},_getLineLeftOffset:function(t){return"center"===this.textAlign?(this.width-t)/2:"right"===this.textAlign?this.width-t:0},_getLineWidth:function(t,e){return"justify"===this.textAlign?this.width:t.measureText(e).width},_renderTextDecoration:function(t,e){function i(i){for(var s=0,o=e.length;o>s;s++){var a=r._getLineWidth(t,e[s]),h=r._getLineLeftOffset(a);t.fillRect(r._getLeftOffset()+h,~~(i+s*r._getHeightOfLine(t,s,e)-n),a,1)}}if(this.textDecoration){var n=this._getTextHeight(t,e)/2,r=this;this.textDecoration.indexOf("underline")>-1&&i(this.fontSize*this.lineHeight),this.textDecoration.indexOf("line-through")>-1&&i(this.fontSize*this.lineHeight-this.fontSize/2),this.textDecoration.indexOf("overline")>-1&&i(this.fontSize*this.lineHeight-this.fontSize)}},_getFontDeclaration:function(){return[e.isLikelyNode?this.fontWeight:this.fontStyle,e.isLikelyNode?this.fontStyle:this.fontWeight,this.fontSize+"px",e.isLikelyNode?'"'+this.fontFamily+'"':this.fontFamily].join(" ")},render:function(t,e){if(this.visible){t.save(),this._transform(t,e);var i=this.transformMatrix,n=this.group&&"path-group"===this.group.type;n&&t.translate(-this.group.width/2,-this.group.height/2),i&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),n&&t.translate(this.left,this.top),this._render(t),t.restore()}},toObject:function(t){var e=i(this.callSuper("toObject",t),{text:this.text,fontSize:this.fontSize,fontWeight:this.fontWeight,fontFamily:this.fontFamily,fontStyle:this.fontStyle,lineHeight:this.lineHeight,textDecoration:this.textDecoration,textAlign:this.textAlign,path:this.path,textBackgroundColor:this.textBackgroundColor,useNative:this.useNative});return this.includeDefaultValues||this._removeDefaultValues(e),e},toSVG:function(t){var e=[],i=this.text.split(this._reNewline),n=this._getSVGLeftTopOffsets(i),r=this._getSVGTextAndBg(n.lineTop,n.textLeft,i),s=this._getSVGShadows(n.lineTop,i);return n.textTop+=this._fontAscent?this._fontAscent/5*this.lineHeight:0,this._wrapSVGTextAndBg(e,r,s,n),t?t(e.join("")):e.join("")},_getSVGLeftTopOffsets:function(t){var e=this.useNative?this.fontSize*this.lineHeight:-this._fontAscent-this._fontAscent/5*this.lineHeight,i=-(this.width/2),n=this.useNative?this.fontSize-1:this.height/2-t.length*this.fontSize-this._totalLineHeight;return{textLeft:i+(this.group?this.left:0),textTop:n+(this.group?this.top:0),lineTop:e}},_wrapSVGTextAndBg:function(t,e,i,n){t.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n',e.textBgRects.join(""),"<text ",this.fontFamily?'font-family="'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size="'+this.fontSize+'" ':"",this.fontStyle?'font-style="'+this.fontStyle+'" ':"",this.fontWeight?'font-weight="'+this.fontWeight+'" ':"",this.textDecoration?'text-decoration="'+this.textDecoration+'" ':"",'style="',this.getSvgStyles(),'" ','transform="translate(',r(n.textLeft,2)," ",r(n.textTop,2),')">',i.join(""),e.textSpans.join(""),"</text>\n","</g>\n")},_getSVGShadows:function(t,i){var n,s,o=[],a=1;if(!this.shadow||!this._boundaries)return o;for(n=0,s=i.length;s>n;n++)if(""!==i[n]){var h=this._boundaries&&this._boundaries[n]?this._boundaries[n].left:0;o.push('<tspan x="',r(h+a+this.shadow.offsetX,2),0===n||this.useNative?'" y':'" dy','="',r(this.useNative?t*n-this.height/2+this.shadow.offsetY:t+(0===n?this.shadow.offsetY:0),2),'" ',this._getFillAttributes(this.shadow.color),">",e.util.string.escapeXml(i[n]),"</tspan>"),a=1}else a++;return o},_getSVGTextAndBg:function(t,e,i){var n=[],r=[],s=1;this._setSVGBg(r);for(var o=0,a=i.length;a>o;o++)""!==i[o]?(this._setSVGTextLineText(i[o],o,n,t,s,r),s=1):s++,this.textBackgroundColor&&this._boundaries&&this._setSVGTextLineBg(r,o,e,t);return{textSpans:n,textBgRects:r}},_setSVGTextLineText:function(t,i,n,s,o){var a=this._boundaries&&this._boundaries[i]?r(this._boundaries[i].left,2):0;
n.push('<tspan x="',a,'" ',0===i||this.useNative?"y":"dy",'="',r(this.useNative?s*i-this.height/2:s*o,2),'" ',this._getFillAttributes(this.fill),">",e.util.string.escapeXml(t),"</tspan>")},_setSVGTextLineBg:function(t,e,i,n){t.push("<rect ",this._getFillAttributes(this.textBackgroundColor),' x="',r(i+this._boundaries[e].left,2),'" y="',r(n*e-this.height/2,2),'" width="',r(this._boundaries[e].width,2),'" height="',r(this._boundaries[e].height,2),'"></rect>\n')},_setSVGBg:function(t){this.backgroundColor&&this._boundaries&&t.push("<rect ",this._getFillAttributes(this.backgroundColor),' x="',r(-this.width/2,2),'" y="',r(-this.height/2,2),'" width="',r(this.width,2),'" height="',r(this.height,2),'"></rect>')},_getFillAttributes:function(t){var i=t&&"string"==typeof t?new e.Color(t):"";return i&&i.getSource()&&1!==i.getAlpha()?'opacity="'+i.getAlpha()+'" fill="'+i.setAlpha(1).toRgb()+'"':'fill="'+t+'"'},_set:function(t,e){"fontFamily"===t&&this.path&&(this.path=this.path.replace(/(.*?)([^\/]*)(\.font\.js)/,"$1"+e+"$3")),this.callSuper("_set",t,e),t in this._dimensionAffectingProps&&(this._initDimensions(),this.setCoords())},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,i){if(!t)return null;var n=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES);i=e.util.object.extend(i?e.util.object.clone(i):{},n),"dx"in n&&(i.left+=n.dx),"dy"in n&&(i.top+=n.dy),"fontSize"in i||(i.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE),i.originX||(i.originX="left");var r=new e.Text(t.textContent,i),s=0;return"left"===r.originX&&(s=r.getWidth()/2),"right"===r.originX&&(s=-r.getWidth()/2),r.set({left:r.getLeft()+s,top:r.getTop()-r.getHeight()/2}),r},e.Text.fromObject=function(t){return new e.Text(t.text,n(t))},e.util.createAccessors(e.Text)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.object.clone;fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,styles:null,caching:!0,_skipFillStrokeCheck:!0,_reSpace:/\s|\n/,_fontSizeFraction:4,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,_charWidthsCache:{},initialize:function(t,e){this.styles=e?e.styles||{}:{},this.callSuper("initialize",t,e),this.initBehavior(),fabric.IText.instances.push(this),this.__lineWidths={},this.__lineHeights={},this.__lineOffsets={}},isEmptyStyles:function(){if(!this.styles)return!0;var t=this.styles;for(var e in t)for(var i in t[e])for(var n in t[e][i])return!1;return!0},setSelectionStart:function(t){this.selectionStart!==t&&(this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})),this.selectionStart=t,this.hiddenTextarea&&(this.hiddenTextarea.selectionStart=t)},setSelectionEnd:function(t){this.selectionEnd!==t&&(this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})),this.selectionEnd=t,this.hiddenTextarea&&(this.hiddenTextarea.selectionEnd=t)},getSelectionStyles:function(t,e){if(2===arguments.length){for(var i=[],n=t;e>n;n++)i.push(this.getSelectionStyles(n));return i}var r=this.get2DCursorLocation(t);return this.styles[r.lineIndex]?this.styles[r.lineIndex][r.charIndex]||{}:{}},setSelectionStyles:function(t){if(this.selectionStart===this.selectionEnd)this._extendStyles(this.selectionStart,t);else for(var e=this.selectionStart;e<this.selectionEnd;e++)this._extendStyles(e,t);return this},_extendStyles:function(t,e){var i=this.get2DCursorLocation(t);this.styles[i.lineIndex]||(this.styles[i.lineIndex]={}),this.styles[i.lineIndex][i.charIndex]||(this.styles[i.lineIndex][i.charIndex]={}),fabric.util.object.extend(this.styles[i.lineIndex][i.charIndex],e)},_render:function(t){this.callSuper("_render",t),this.ctx=t,this.isEditing&&this.renderCursorOrSelection()},renderCursorOrSelection:function(){if(this.active){var t,e=this.text.split("");this.selectionStart===this.selectionEnd?(t=this._getCursorBoundaries(e,"cursor"),this.renderCursor(t)):(t=this._getCursorBoundaries(e,"selection"),this.renderSelection(e,t))}},get2DCursorLocation:function(t){"undefined"==typeof t&&(t=this.selectionStart);var e=this.text.slice(0,t),i=e.split(this._reNewline);return{lineIndex:i.length-1,charIndex:i[i.length-1].length}},getCurrentCharStyle:function(t,e){var i=this.styles[t]&&this.styles[t][0===e?0:e-1];return{fontSize:i&&i.fontSize||this.fontSize,fill:i&&i.fill||this.fill,textBackgroundColor:i&&i.textBackgroundColor||this.textBackgroundColor,textDecoration:i&&i.textDecoration||this.textDecoration,fontFamily:i&&i.fontFamily||this.fontFamily,fontWeight:i&&i.fontWeight||this.fontWeight,fontStyle:i&&i.fontStyle||this.fontStyle,stroke:i&&i.stroke||this.stroke,strokeWidth:i&&i.strokeWidth||this.strokeWidth}},getCurrentCharFontSize:function(t,e){return this.styles[t]&&this.styles[t][0===e?0:e-1]&&this.styles[t][0===e?0:e-1].fontSize||this.fontSize},getCurrentCharColor:function(t,e){return this.styles[t]&&this.styles[t][0===e?0:e-1]&&this.styles[t][0===e?0:e-1].fill||this.cursorColor},_getCursorBoundaries:function(t,e){var i=this.get2DCursorLocation(),n=this.text.split(this._reNewline),r=Math.round(this._getLeftOffset()),s=-this.height/2,o=this._getCursorBoundariesOffsets(t,e,i,n);return{left:r,top:s,leftOffset:o.left+o.lineLeft,topOffset:o.top}},_getCursorBoundariesOffsets:function(t,e,i,n){for(var r=0,s=0,o=0,a=0,h="cursor"===e?this._getHeightOfLine(this.ctx,0)-this.getCurrentCharFontSize(i.lineIndex,i.charIndex):0,l=0;l<this.selectionStart;l++){if("\n"===t[l]){a=0;var c=s+("cursor"===e?1:0);h+=this._getCachedLineHeight(c),s++,o=0}else a+=this._getWidthOfChar(this.ctx,t[l],s,o),o++;r=this._getCachedLineOffset(s,n)}return this._clearCache(),{top:h,left:a,lineLeft:r}},_clearCache:function(){this.__lineWidths={},this.__lineHeights={},this.__lineOffsets={}},_getCachedLineHeight:function(t){return this.__lineHeights[t]||(this.__lineHeights[t]=this._getHeightOfLine(this.ctx,t))},_getCachedLineWidth:function(t,e){return this.__lineWidths[t]||(this.__lineWidths[t]=this._getWidthOfLine(this.ctx,t,e))},_getCachedLineOffset:function(t,e){var i=this._getCachedLineWidth(t,e);return this.__lineOffsets[t]||(this.__lineOffsets[t]=this._getLineLeftOffset(i))},renderCursor:function(t){var e=this.ctx;e.save();var i=this.get2DCursorLocation(),n=i.lineIndex,r=i.charIndex,s=this.getCurrentCharFontSize(n,r),o=0===n&&0===r?this._getCachedLineOffset(n,this.text.split(this._reNewline)):t.leftOffset;e.fillStyle=this.getCurrentCharColor(n,r),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+o,t.top+t.topOffset,this.cursorWidth/this.scaleX,s),e.restore()},renderSelection:function(t,e){var i=this.ctx;i.save(),i.fillStyle=this.selectionColor;for(var n=this.get2DCursorLocation(this.selectionStart),r=this.get2DCursorLocation(this.selectionEnd),s=n.lineIndex,o=r.lineIndex,a=this.text.split(this._reNewline),h=s;o>=h;h++){var l=this._getCachedLineOffset(h,a)||0,c=this._getCachedLineHeight(h),u=0;if(h===s)for(var f=0,d=a[h].length;d>f;f++)f>=n.charIndex&&(h!==o||f<r.charIndex)&&(u+=this._getWidthOfChar(i,a[h][f],h,f)),f<n.charIndex&&(l+=this._getWidthOfChar(i,a[h][f],h,f));else if(h>s&&o>h)u+=this._getCachedLineWidth(h,a)||5;else if(h===o)for(var p=0,g=r.charIndex;g>p;p++)u+=this._getWidthOfChar(i,a[h][p],h,p);i.fillRect(e.left+l,e.top+e.topOffset,u,c),e.topOffset+=c}i.restore()},_renderChars:function(t,e,i,n,r,s){if(this.isEmptyStyles())return this._renderCharsFast(t,e,i,n,r);this.skipTextAlign=!0,n-="center"===this.textAlign?this.width/2:"right"===this.textAlign?this.width:0;var o,a=this.text.split(this._reNewline),h=this._getWidthOfLine(e,s,a),l=this._getHeightOfLine(e,s,a),c=this._getLineLeftOffset(h),u=i.split(""),f="";n+=c||0,e.save();for(var d=0,p=u.length;p>=d;d++){o=o||this.getCurrentCharStyle(s,d);var g=this.getCurrentCharStyle(s,d+1);(this._hasStyleChanged(o,g)||d===p)&&(this._renderChar(t,e,s,d-1,f,n,r,l),f="",o=g),f+=u[d]}e.restore()},_renderCharsFast:function(t,e,i,n,r){this.skipTextAlign=!1,"fillText"===t&&this.fill&&this.callSuper("_renderChars",t,e,i,n,r),"strokeText"===t&&this.stroke&&this.callSuper("_renderChars",t,e,i,n,r)},_renderChar:function(t,e,i,n,r,s,o,a){var h,l,c;if(this.styles&&this.styles[i]&&(h=this.styles[i][n])){var u=h.stroke||this.stroke,f=h.fill||this.fill;e.save(),l=this._applyCharStylesGetWidth(e,r,i,n,h),c=this._getHeightOfChar(e,r,i,n),f&&e.fillText(r,s,o),u&&e.strokeText(r,s,o),this._renderCharDecoration(e,h,s,o,l,a,c),e.restore(),e.translate(l,0)}else"strokeText"===t&&this.stroke&&e[t](r,s,o),"fillText"===t&&this.fill&&e[t](r,s,o),l=this._applyCharStylesGetWidth(e,r,i,n),this._renderCharDecoration(e,null,s,o,l,a),e.translate(e.measureText(r).width,0)},_hasStyleChanged:function(t,e){return t.fill!==e.fill||t.fontSize!==e.fontSize||t.textBackgroundColor!==e.textBackgroundColor||t.textDecoration!==e.textDecoration||t.fontFamily!==e.fontFamily||t.fontWeight!==e.fontWeight||t.fontStyle!==e.fontStyle||t.stroke!==e.stroke||t.strokeWidth!==e.strokeWidth},_renderCharDecoration:function(t,e,i,n,r,s,o){var a=e?e.textDecoration||this.textDecoration:this.textDecoration,h=(e?e.fontSize:null)||this.fontSize;a&&(a.indexOf("underline")>-1&&this._renderCharDecorationAtOffset(t,i,n+this.fontSize/this._fontSizeFraction,r,0,this.fontSize/20),a.indexOf("line-through")>-1&&this._renderCharDecorationAtOffset(t,i,n+this.fontSize/this._fontSizeFraction,r,o/2,h/20),a.indexOf("overline")>-1&&this._renderCharDecorationAtOffset(t,i,n,r,s-this.fontSize/this._fontSizeFraction,this.fontSize/20))},_renderCharDecorationAtOffset:function(t,e,i,n,r,s){t.fillRect(e,i-r,n,s)},_renderTextLine:function(t,e,i,n,r,s){r+=this.fontSize/4,this.callSuper("_renderTextLine",t,e,i,n,r,s)},_renderTextDecoration:function(t,e){return this.isEmptyStyles()?this.callSuper("_renderTextDecoration",t,e):void 0},_renderTextLinesBackground:function(t,e){if(this.textBackgroundColor||this.styles){t.save(),this.textBackgroundColor&&(t.fillStyle=this.textBackgroundColor);for(var i=0,n=this.fontSize/this._fontSizeFraction,r=0,s=e.length;s>r;r++){var o=this._getHeightOfLine(t,r,e);if(""!==e[r]){var a=this._getWidthOfLine(t,r,e),h=this._getLineLeftOffset(a);if(this.textBackgroundColor&&(t.fillStyle=this.textBackgroundColor,t.fillRect(this._getLeftOffset()+h,this._getTopOffset()+i+n,a,o)),this.styles[r])for(var l=0,c=e[r].length;c>l;l++)if(this.styles[r]&&this.styles[r][l]&&this.styles[r][l].textBackgroundColor){var u=e[r][l];t.fillStyle=this.styles[r][l].textBackgroundColor,t.fillRect(this._getLeftOffset()+h+this._getWidthOfCharsAt(t,r,l,e),this._getTopOffset()+i+n,this._getWidthOfChar(t,u,r,l,e)+1,o)}i+=o}else i+=o}t.restore()}},_getCacheProp:function(t,e){return t+e.fontFamily+e.fontSize+e.fontWeight+e.fontStyle+e.shadow},_applyCharStylesGetWidth:function(e,i,n,r,s){var o=s||this.styles[n]&&this.styles[n][r];o=o?t(o):{},this._applyFontStyles(o);var a=this._getCacheProp(i,o);if(this.isEmptyStyles()&&this._charWidthsCache[a]&&this.caching)return this._charWidthsCache[a];"string"==typeof o.shadow&&(o.shadow=new fabric.Shadow(o.shadow));var h=o.fill||this.fill;return e.fillStyle=h.toLive?h.toLive(e):h,o.stroke&&(e.strokeStyle=o.stroke&&o.stroke.toLive?o.stroke.toLive(e):o.stroke),e.lineWidth=o.strokeWidth||this.strokeWidth,e.font=this._getFontDeclaration.call(o),this._setShadow.call(o,e),this.caching?(this._charWidthsCache[a]||(this._charWidthsCache[a]=e.measureText(i).width),this._charWidthsCache[a]):e.measureText(i).width},_applyFontStyles:function(t){t.fontFamily||(t.fontFamily=this.fontFamily),t.fontSize||(t.fontSize=this.fontSize),t.fontWeight||(t.fontWeight=this.fontWeight),t.fontStyle||(t.fontStyle=this.fontStyle)},_getStyleDeclaration:function(e,i){return this.styles[e]&&this.styles[e][i]?t(this.styles[e][i]):{}},_getWidthOfChar:function(t,e,i,n){var r=this._getStyleDeclaration(i,n);this._applyFontStyles(r);var s=this._getCacheProp(e,r);if(this._charWidthsCache[s]&&this.caching)return this._charWidthsCache[s];if(t){t.save();var o=this._applyCharStylesGetWidth(t,e,i,n);return t.restore(),o}},_getHeightOfChar:function(t,e,i,n){return this.styles[i]&&this.styles[i][n]?this.styles[i][n].fontSize||this.fontSize:this.fontSize},_getWidthOfCharAt:function(t,e,i,n){n=n||this.text.split(this._reNewline);var r=n[e].split("")[i];return this._getWidthOfChar(t,r,e,i)},_getHeightOfCharAt:function(t,e,i,n){n=n||this.text.split(this._reNewline);var r=n[e].split("")[i];return this._getHeightOfChar(t,r,e,i)},_getWidthOfCharsAt:function(t,e,i,n){for(var r=0,s=0;i>s;s++)r+=this._getWidthOfCharAt(t,e,s,n);return r},_getWidthOfLine:function(t,e,i){return this._getWidthOfCharsAt(t,e,i[e].length,i)},_getTextWidth:function(t,e){if(this.isEmptyStyles())return this.callSuper("_getTextWidth",t,e);for(var i=this._getWidthOfLine(t,0,e),n=1,r=e.length;r>n;n++){var s=this._getWidthOfLine(t,n,e);s>i&&(i=s)}return i},_getHeightOfLine:function(t,e,i){i=i||this.text.split(this._reNewline);for(var n=this._getHeightOfChar(t,i[e][0],e,0),r=i[e],s=r.split(""),o=1,a=s.length;a>o;o++){var h=this._getHeightOfChar(t,s[o],e,o);h>n&&(n=h)}return n*this.lineHeight},_getTextHeight:function(t,e){for(var i=0,n=0,r=e.length;r>n;n++)i+=this._getHeightOfLine(t,n,e);return i},_getTopOffset:function(){var t=fabric.Text.prototype._getTopOffset.call(this);return t-this.fontSize/this._fontSizeFraction},_renderTextBoxBackground:function(t){this.backgroundColor&&(t.save(),t.fillStyle=this.backgroundColor,t.fillRect(this._getLeftOffset(),this._getTopOffset()+this.fontSize/this._fontSizeFraction,this.width,this.height),t.restore())},toObject:function(e){return fabric.util.object.extend(this.callSuper("toObject",e),{styles:t(this.styles)})}}),fabric.IText.fromObject=function(e){return new fabric.IText(e.text,t(e))},fabric.IText.instances=[]}(),function(){var t=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation()},initSelectedHandler:function(){this.on("selected",function(){var t=this;setTimeout(function(){t.selected=!0},100)})},initAddedHandler:function(){this.on("added",function(){this.canvas&&!this.canvas._hasITextHandlers&&(this.canvas._hasITextHandlers=!0,this._initCanvasHandlers())})},_initCanvasHandlers:function(){this.canvas.on("selection:cleared",function(){fabric.IText.prototype.exitEditingOnOthers.call()}),this.canvas.on("mouse:up",function(){fabric.IText.instances.forEach(function(t){t.__isMousedown=!1})}),this.canvas.on("object:selected",function(t){fabric.IText.prototype.exitEditingOnOthers.call(t.target)})},_tick:function(){if(!this._abortCursorAnimation){var t=this;this.animate("_currentCursorOpacity",1,{duration:this.cursorDuration,onComplete:function(){t._onTickComplete()},onChange:function(){t.canvas&&t.canvas.renderAll()},abort:function(){return t._abortCursorAnimation}})}},_onTickComplete:function(){if(!this._abortCursorAnimation){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t.animate("_currentCursorOpacity",0,{duration:this.cursorDuration/2,onComplete:function(){t._tick()},onChange:function(){t.canvas&&t.canvas.renderAll()},abort:function(){return t._abortCursorAnimation}})},100)}},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;t&&(this._abortCursorAnimation=!0,clearTimeout(this._cursorTimeout1),this._currentCursorOpacity=1,this.canvas&&this.canvas.renderAll()),this._cursorTimeout2&&clearTimeout(this._cursorTimeout2),this._cursorTimeout2=setTimeout(function(){e._abortCursorAnimation=!1,e._tick()},i)},abortCursorAnimation:function(){this._abortCursorAnimation=!0,clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,this.canvas&&this.canvas.renderAll();var t=this;setTimeout(function(){t._abortCursorAnimation=!1},10)},selectAll:function(){this.selectionStart=0,this.selectionEnd=this.text.length,this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getSelectedText:function(){return this.text.slice(this.selectionStart,this.selectionEnd)},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this.text.charAt(i)))for(;this._reSpace.test(this.text.charAt(i));)e++,i--;for(;/\S/.test(this.text.charAt(i))&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this.text.charAt(i)))for(;this._reSpace.test(this.text.charAt(i));)e++,i++;for(;/\S/.test(this.text.charAt(i))&&i<this.text.length;)e++,i++;return t+e},findLineBoundaryLeft:function(t){for(var e=0,i=t-1;!/\n/.test(this.text.charAt(i))&&i>-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this.text.charAt(i))&&i<this.text.length;)e++,i++;return t+e},getNumNewLinesInSelectedText:function(){for(var t=this.getSelectedText(),e=0,i=0,n=t.split(""),r=n.length;r>i;i++)"\n"===n[i]&&e++;return e},searchWordBoundary:function(t,e){for(var i=this._reSpace.test(this.text.charAt(t))?t-1:t,n=this.text.charAt(i),r=/[ \n\.,;!\?\-]/;!r.test(n)&&i>0&&i<this.text.length;)i+=e,n=this.text.charAt(i);return r.test(n)&&"\n"!==n&&(i+=1===e?0:1),i},selectWord:function(t){var e=this.searchWordBoundary(t,-1),i=this.searchWordBoundary(t,1);this.setSelectionStart(e),this.setSelectionEnd(i),this.initDelayedCursor(!0)},selectLine:function(t){var e=this.findLineBoundaryLeft(t),i=this.findLineBoundaryRight(t);this.setSelectionStart(e),this.setSelectionEnd(i),this.initDelayedCursor(!0)},enterEditing:function(){return!this.isEditing&&this.editable?(this.exitEditingOnOthers(),this.isEditing=!0,this.initHiddenTextarea(),this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._tick(),this.canvas&&this.canvas.renderAll(),this.fire("editing:entered"),this.canvas&&this.canvas.fire("text:editing:entered",{target:this}),this):void 0},exitEditingOnOthers:function(){fabric.IText.instances.forEach(function(t){t.selected=!1,t.isEditing&&t.exitEditing()},this)},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},_updateTextarea:function(){this.hiddenTextarea&&(this.hiddenTextarea.value=this.text,this.hiddenTextarea.selectionStart=this.selectionStart)},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this.fire("editing:exited"),this.canvas&&this.canvas.fire("text:editing:exited",{target:this}),this},_removeExtraneousStyles:function(){var t=this.text.split(this._reNewline);for(var e in this.styles)t[e]||delete this.styles[e]},_removeCharsFromTo:function(t,e){for(var i=e;i!==t;){var n=this.get2DCursorLocation(i).charIndex;i--;var r=this.get2DCursorLocation(i).charIndex,s=r>n;s?this.removeStyleObject(s,i+1):this.removeStyleObject(0===this.get2DCursorLocation(i).charIndex,i)}this.text=this.text.slice(0,t)+this.text.slice(e)},insertChars:function(t){var e="\n"===this.text.slice(this.selectionStart,this.selectionStart+1);this.text=this.text.slice(0,this.selectionStart)+t+this.text.slice(this.selectionEnd),this.selectionStart===this.selectionEnd&&this.insertStyleObjects(t,e,this.copiedStyles),this.selectionStart+=t.length,this.selectionEnd=this.selectionStart,this.canvas&&this.canvas.renderAll().renderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},insertNewlineStyleObject:function(e,i,n){this.shiftLineStyles(e,1),this.styles[e+1]||(this.styles[e+1]={});var r=this.styles[e][i-1],s={};if(n)s[0]=t(r),this.styles[e+1]=s;else{for(var o in this.styles[e])parseInt(o,10)>=i&&(s[parseInt(o,10)-i]=this.styles[e][o],delete this.styles[e][o]);this.styles[e+1]=s}},insertCharStyleObject:function(e,i,n){var r=this.styles[e],s=t(r);0===i&&!n&&(i=1);for(var o in s){var a=parseInt(o,10);a>=i&&(r[a+1]=s[a])}this.styles[e][i]=n||t(r[i-1])},insertStyleObjects:function(t,e,i){if(!this.isEmptyStyles()){var n=this.get2DCursorLocation(),r=n.lineIndex,s=n.charIndex;this.styles[r]||(this.styles[r]={}),"\n"===t?this.insertNewlineStyleObject(r,s,e):i?this._insertStyles(i):this.insertCharStyleObject(r,s)}},_insertStyles:function(t){for(var e=0,i=t.length;i>e;e++){var n=this.get2DCursorLocation(this.selectionStart+e),r=n.lineIndex,s=n.charIndex;this.insertCharStyleObject(r,s,t[e])}},shiftLineStyles:function(e,i){var n=t(this.styles);for(var r in this.styles){var s=parseInt(r,10);s>e&&(this.styles[s+i]=n[s])}},removeStyleObject:function(e,i){var n=this.get2DCursorLocation(i),r=n.lineIndex,s=n.charIndex;if(e){var o=this.text.split(this._reNewline),a=o[r-1],h=a?a.length:0;this.styles[r-1]||(this.styles[r-1]={});for(s in this.styles[r])this.styles[r-1][parseInt(s,10)+h]=this.styles[r][s];this.shiftLineStyles(r,-1)}else{var l=this.styles[r];if(l){var c=this.selectionStart===this.selectionEnd?-1:0;delete l[s+c]}var u=t(l);for(var f in u){var d=parseInt(f,10);d>=s&&0!==d&&(l[d-1]=u[d],delete l[d])}}},insertNewline:function(){this.insertChars("\n")}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(t){this.__newClickTime=+new Date;var e=this.canvas.getPointer(t.e);this.isTripleClick(e)?(this.fire("tripleclick",t),this._stopEvent(t.e)):this.isDoubleClick(e)&&(this.fire("dblclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isDoubleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y&&this.__lastIsEditing},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initSelectedHandler(),this.initMousedownHandler(),this.initMousemoveHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("dblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},initMousedownHandler:function(){this.on("mousedown",function(t){var e=this.canvas.getPointer(t.e);this.__mousedownX=e.x,this.__mousedownY=e.y,this.__isMousedown=!0,this.hiddenTextarea&&this.canvas&&this.canvas.wrapperEl.appendChild(this.hiddenTextarea),this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.initDelayedCursor(!0))})},initMousemoveHandler:function(){this.on("mousemove",function(t){if(this.__isMousedown&&this.isEditing){var e=this.getSelectionStartFromPointer(t.e);e>=this.__selectionStartOnMouseDown?(this.setSelectionStart(this.__selectionStartOnMouseDown),this.setSelectionEnd(e)):(this.setSelectionStart(e),this.setSelectionEnd(this.__selectionStartOnMouseDown))}})},_isObjectMoved:function(t){var e=this.canvas.getPointer(t);return this.__mousedownX!==e.x||this.__mousedownY!==e.y},initMouseupHandler:function(){this.on("mouseup",function(t){this.__isMousedown=!1,this._isObjectMoved(t.e)||(this.__lastSelected&&(this.enterEditing(),this.initDelayedCursor(!0)),this.selected=!0)})},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t);t.shiftKey?e<this.selectionStart?(this.setSelectionEnd(this.selectionStart),this.setSelectionStart(e)):this.setSelectionEnd(e):(this.setSelectionStart(e),this.setSelectionEnd(e))},_getLocalRotatedPointer:function(t){var e=this.canvas.getPointer(t),i=new fabric.Point(e.x,e.y),n=new fabric.Point(this.left,this.top),r=fabric.util.rotatePoint(i,n,fabric.util.degreesToRadians(-this.angle));return this.getLocalPointer(t,r)},getSelectionStartFromPointer:function(t){for(var e,i=this._getLocalRotatedPointer(t),n=this.text.split(this._reNewline),r=0,s=0,o=0,a=0,h=0,l=n.length;l>h;h++){o+=this._getHeightOfLine(this.ctx,h)*this.scaleY;var c=this._getWidthOfLine(this.ctx,h,n),u=this._getLineLeftOffset(c);s=u*this.scaleX,this.flipX&&(n[h]=n[h].split("").reverse().join(""));for(var f=0,d=n[h].length;d>f;f++){var p=n[h][f];r=s,s+=this._getWidthOfChar(this.ctx,p,h,this.flipX?d-f:f)*this.scaleX;{if(!(o<=i.y||s<=i.x))return this._getNewSelectionStartFromOffset(i,r,s,a+h,d);a++}}if(i.y<o)return this._getNewSelectionStartFromOffset(i,r,s,a+h,d)}return"undefined"==typeof e?this.text.length:void 0},_getNewSelectionStartFromOffset:function(t,e,i,n,r){var s=t.x-e,o=i-t.x,a=o>s?0:1,h=n+a;return this.flipX&&(h=r-h),h>this.text.length&&(h=this.text.length),h}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.style.cssText="position: absolute; top: 0; left: -9999px",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keypress",this.onKeyPress.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},_keysMap:{8:"removeChars",13:"insertNewline",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown",46:"forwardDelete"},_ctrlKeysMap:{65:"selectAll",88:"cut"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){if(t.keyCode in this._keysMap&&0===t.charCode)this[this._keysMap[t.keyCode]](t);else{if(!(t.keyCode in this._ctrlKeysMap&&(t.ctrlKey||t.metaKey)))return;this[this._ctrlKeysMap[t.keyCode]](t)}t.stopPropagation(),this.canvas&&this.canvas.renderAll()}},forwardDelete:function(t){this.selectionStart===this.selectionEnd&&this.moveCursorRight(t),this.removeChars(t)},copy:function(t){var e=this.getSelectedText(),i=this._getClipboardData(t);i&&i.setData("text",e),this.copiedText=e,this.copiedStyles=this.getSelectionStyles(this.selectionStart,this.selectionEnd)},paste:function(t){var e=null,i=this._getClipboardData(t);e=i?i.getData("text"):this.copiedText,e&&this.insertChars(e)},cut:function(t){this.selectionStart!==this.selectionEnd&&(this.copy(),this.removeChars(t))},_getClipboardData:function(t){return t&&(t.clipboardData||fabric.window.clipboardData)},onKeyPress:function(t){!this.isEditing||t.metaKey||t.ctrlKey||t.keyCode in this._keysMap&&0===t.charCode||(this.insertChars(String.fromCharCode(t.which)),t.stopPropagation())},getDownCursorOffset:function(t,e){var i,n,r=e?this.selectionEnd:this.selectionStart,s=this.text.split(this._reNewline),o=this.text.slice(0,r),a=this.text.slice(r),h=o.slice(o.lastIndexOf("\n")+1),l=a.match(/(.*)\n?/)[1],c=(a.match(/.*\n(.*)\n?/)||{})[1]||"",u=this.get2DCursorLocation(r);if(u.lineIndex===s.length-1||t.metaKey)return this.text.length-r;var f=this._getWidthOfLine(this.ctx,u.lineIndex,s);n=this._getLineLeftOffset(f);for(var d=n,p=u.lineIndex,g=0,v=h.length;v>g;g++)i=h[g],d+=this._getWidthOfChar(this.ctx,i,p,g);var m=this._getIndexOnNextLine(u,c,d,s);return l.length+1+m},_getIndexOnNextLine:function(t,e,i,n){for(var r,s=t.lineIndex+1,o=this._getWidthOfLine(this.ctx,s,n),a=this._getLineLeftOffset(o),h=a,l=0,c=0,u=e.length;u>c;c++){var f=e[c],d=this._getWidthOfChar(this.ctx,f,s,c);if(h+=d,h>i){r=!0;var p=h-d,g=h,v=Math.abs(p-i),m=Math.abs(g-i);l=v>m?c+1:c;break}}return r||(l=e.length),l},moveCursorDown:function(t){this.abortCursorAnimation(),this._currentCursorOpacity=1;var e=this.getDownCursorOffset(t,"right"===this._selectionDirection);t.shiftKey?this.moveCursorDownWithShift(e):this.moveCursorDownWithoutShift(e),this.initDelayedCursor()},moveCursorDownWithoutShift:function(t){this._selectionDirection="right",this.selectionStart+=t,this.selectionStart>this.text.length&&(this.selectionStart=this.text.length),this.selectionEnd=this.selectionStart},moveCursorDownWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?(this.selectionStart+=t,void(this._selectionDirection="left")):(this._selectionDirection="right",this.selectionEnd+=t,this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length),void 0)},getUpCursorOffset:function(t,e){var i=e?this.selectionEnd:this.selectionStart,n=this.get2DCursorLocation(i);if(0===n.lineIndex||t.metaKey)return i;for(var r,s=this.text.slice(0,i),o=s.slice(s.lastIndexOf("\n")+1),a=(s.match(/\n?(.*)\n.*$/)||{})[1]||"",h=this.text.split(this._reNewline),l=this._getWidthOfLine(this.ctx,n.lineIndex,h),c=this._getLineLeftOffset(l),u=c,f=n.lineIndex,d=0,p=o.length;p>d;d++)r=o[d],u+=this._getWidthOfChar(this.ctx,r,f,d);var g=this._getIndexOnPrevLine(n,a,u,h);return a.length-g+o.length},_getIndexOnPrevLine:function(t,e,i,n){for(var r,s=t.lineIndex-1,o=this._getWidthOfLine(this.ctx,s,n),a=this._getLineLeftOffset(o),h=a,l=0,c=0,u=e.length;u>c;c++){var f=e[c],d=this._getWidthOfChar(this.ctx,f,s,c);if(h+=d,h>i){r=!0;var p=h-d,g=h,v=Math.abs(p-i),m=Math.abs(g-i);l=v>m?c:c-1;break}}return r||(l=e.length-1),l},moveCursorUp:function(t){this.abortCursorAnimation(),this._currentCursorOpacity=1;var e=this.getUpCursorOffset(t,"right"===this._selectionDirection);t.shiftKey?this.moveCursorUpWithShift(e):this.moveCursorUpWithoutShift(e),this.initDelayedCursor()},moveCursorUpWithShift:function(t){if(this.selectionStart===this.selectionEnd)this.selectionStart-=t;else{if("right"===this._selectionDirection)return this.selectionEnd-=t,void(this._selectionDirection="right");this.selectionStart-=t}this.selectionStart<0&&(this.selectionStart=0),this._selectionDirection="left"},moveCursorUpWithoutShift:function(t){this.selectionStart===this.selectionEnd&&(this.selectionStart-=t),this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd=this.selectionStart,this._selectionDirection="left"},moveCursorLeft:function(t){(0!==this.selectionStart||0!==this.selectionEnd)&&(this.abortCursorAnimation(),this._currentCursorOpacity=1,t.shiftKey?this.moveCursorLeftWithShift(t):this.moveCursorLeftWithoutShift(t),this.initDelayedCursor())},_move:function(t,e,i){t.altKey?this[e]=this["findWordBoundary"+i](this[e]):t.metaKey?this[e]=this["findLineBoundary"+i](this[e]):this[e]+="Left"===i?-1:1
},_moveLeft:function(t,e){this._move(t,e,"Left")},_moveRight:function(t,e){this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){this._selectionDirection="left",this.selectionEnd===this.selectionStart&&this._moveLeft(t,"selectionStart"),this.selectionEnd=this.selectionStart},moveCursorLeftWithShift:function(t){"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):(this._selectionDirection="left",this._moveLeft(t,"selectionStart"),"\n"===this.text.charAt(this.selectionStart)&&this.selectionStart--,this.selectionStart<0&&(this.selectionStart=0))},moveCursorRight:function(t){this.selectionStart>=this.text.length&&this.selectionEnd>=this.text.length||(this.abortCursorAnimation(),this._currentCursorOpacity=1,t.shiftKey?this.moveCursorRightWithShift(t):this.moveCursorRightWithoutShift(t),this.initDelayedCursor())},moveCursorRightWithShift:function(t){"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):(this._selectionDirection="right",this._moveRight(t,"selectionEnd"),"\n"===this.text.charAt(this.selectionEnd-1)&&this.selectionEnd++,this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length))},moveCursorRightWithoutShift:function(t){this._selectionDirection="right",this.selectionStart===this.selectionEnd?(this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):(this.selectionEnd+=this.getNumNewLinesInSelectedText(),this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length),this.selectionStart=this.selectionEnd)},removeChars:function(t){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(t):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.selectionEnd=this.selectionStart,this._removeExtraneousStyles(),this.canvas&&this.canvas.renderAll().renderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(t){if(0!==this.selectionStart)if(t.metaKey){var e=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(e,this.selectionStart),this.selectionStart=e}else if(t.altKey){var i=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(i,this.selectionStart),this.selectionStart=i}else{var n="\n"===this.text.slice(this.selectionStart-1,this.selectionStart);this.removeStyleObject(n),this.selectionStart--,this.text=this.text.slice(0,this.selectionStart)+this.text.slice(this.selectionStart+1)}}}),fabric.util.object.extend(fabric.IText.prototype,{_setSVGTextLineText:function(t,e,i,n,r,s){this.styles[e]?this._setSVGTextLineChars(t,e,i,n,r,s):this.callSuper("_setSVGTextLineText",t,e,i,n,r)},_setSVGTextLineChars:function(t,e,i,n,r,s){for(var o=0===e||this.useNative?"y":"dy",a=t.split(""),h=0,l=this._getSVGLineLeftOffset(e),c=this._getSVGLineTopOffset(e),u=this._getHeightOfLine(this.ctx,e),f=0,d=a.length;d>f;f++){var p=this.styles[e][f]||{};i.push(this._createTextCharSpan(a[f],p,l,c,o,h));var g=this._getWidthOfChar(this.ctx,a[f],e,f);p.textBackgroundColor&&s.push(this._createTextCharBg(p,l,c,u,g,h)),h+=g}},_getSVGLineLeftOffset:function(t){return this._boundaries&&this._boundaries[t]?fabric.util.toFixed(this._boundaries[t].left,2):0},_getSVGLineTopOffset:function(t){for(var e=0,i=0;t>=i;i++)e+=this._getHeightOfLine(this.ctx,i);return e-this.height/2},_createTextCharBg:function(t,e,i,n,r,s){return['<rect fill="',t.textBackgroundColor,'" transform="translate(',-this.width/2," ",-this.height+n,")",'" x="',e+s,'" y="',i+n,'" width="',r,'" height="',n,'"></rect>'].join("")},_createTextCharSpan:function(t,e,i,n,r,s){var o=this.getSvgStyles.call(fabric.util.object.extend({visible:!0,fill:this.fill,stroke:this.stroke,type:"text"},e));return['<tspan x="',i+s,'" ',r,'="',n,'" ',e.fontFamily?'font-family="'+e.fontFamily.replace(/"/g,"'")+'" ':"",e.fontSize?'font-size="'+e.fontSize+'" ':"",e.fontStyle?'font-style="'+e.fontStyle+'" ':"",e.fontWeight?'font-weight="'+e.fontWeight+'" ':"",e.textDecoration?'text-decoration="'+e.textDecoration+'" ':"",'style="',o,'">',fabric.util.string.escapeXml(t),"</tspan>"].join("")}}),function(){function request(t,e,i){var n=URL.parse(t);n.port||(n.port=0===n.protocol.indexOf("https:")?443:80);var r=443===n.port?HTTPS:HTTP,s=r.request({hostname:n.hostname,port:n.port,path:n.path,method:"GET"},function(t){var n="";e&&t.setEncoding(e),t.on("end",function(){i(n)}),t.on("data",function(e){200===t.statusCode&&(n+=e)})});s.on("error",function(t){fabric.log(t.errno===process.ECONNREFUSED?"ECONNREFUSED: connection refused to "+n.hostname+":"+n.port:t.message)}),s.end()}function requestFs(t,e){var i=require("fs");i.readFile(t,function(t,i){if(t)throw fabric.log(t),t;e(i)})}if("undefined"==typeof document||"undefined"==typeof window){var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require("canvas"),Image=require("canvas").Image;fabric.util.loadImage=function(t,e,i){function n(n){r.src=new Buffer(n,"binary"),r._src=t,e&&e.call(i,r)}var r=new Image;t&&(t instanceof Buffer||0===t.indexOf("data"))?(r.src=r._src=t,e&&e.call(i,r)):t&&0!==t.indexOf("http")?requestFs(t,n):t?request(t,"binary",n):e&&e.call(i,t)},fabric.loadSVGFromURL=function(t,e,i){t=t.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),0!==t.indexOf("http")?requestFs(t,function(t){fabric.loadSVGFromString(t.toString(),e,i)}):request(t,"",function(t){fabric.loadSVGFromString(t,e,i)})},fabric.loadSVGFromString=function(t,e,i){var n=(new DOMParser).parseFromString(t);fabric.parseSVGDocument(n.documentElement,function(t,i){e&&e(t,i)},i)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.Image.fromObject=function(t,e){fabric.util.loadImage(t.src,function(i){var n=new fabric.Image(i);n._initConfig(t),n._initFilters(t,function(t){n.filters=t||[],e&&e(n)})})},fabric.createCanvasForNode=function(t,e,i,n){n=n||i;var r=fabric.document.createElement("canvas"),s=new Canvas(t||600,e||600,n);r.style={},r.width=s.width,r.height=s.height;var o=fabric.Canvas||fabric.StaticCanvas,a=new o(r,i);return a.contextContainer=s.getContext("2d"),a.nodeCanvas=s,a.Font=Canvas.Font,a},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){return this.nodeCanvas.createJPEGStream(t)};var origSetWidth=fabric.StaticCanvas.prototype.setWidth;fabric.StaticCanvas.prototype.setWidth=function(t,e){return origSetWidth.call(this,t,e),this.nodeCanvas.width=t,this},fabric.Canvas&&(fabric.Canvas.prototype.setWidth=fabric.StaticCanvas.prototype.setWidth);var origSetHeight=fabric.StaticCanvas.prototype.setHeight;fabric.StaticCanvas.prototype.setHeight=function(t,e){return origSetHeight.call(this,t,e),this.nodeCanvas.height=t,this},fabric.Canvas&&(fabric.Canvas.prototype.setHeight=fabric.StaticCanvas.prototype.setHeight)}}(),function(){function t(t){var i={r:0,g:0,b:0},r=1,o=!1,a=!1;return"string"==typeof t&&(t=D(t)),"object"==typeof t&&(t.hasOwnProperty("r")&&t.hasOwnProperty("g")&&t.hasOwnProperty("b")?(i=e(t.r,t.g,t.b),o=!0,a="%"===String(t.r).substr(-1)?"prgb":"rgb"):t.hasOwnProperty("h")&&t.hasOwnProperty("s")&&t.hasOwnProperty("v")?(t.s=A(t.s),t.v=A(t.v),i=s(t.h,t.s,t.v),o=!0,a="hsv"):t.hasOwnProperty("h")&&t.hasOwnProperty("s")&&t.hasOwnProperty("l")&&(t.s=A(t.s),t.l=A(t.l),i=n(t.h,t.s,t.l),o=!0,a="hsl"),t.hasOwnProperty("a")&&(r=t.a)),r=_(r),{ok:o,format:t.format||a,r:R(255,F(i.r,0)),g:R(255,F(i.g,0)),b:R(255,F(i.b,0)),a:r}}function e(t,e,i){return{r:255*C(t,255),g:255*C(e,255),b:255*C(i,255)}}function i(t,e,i){t=C(t,255),e=C(e,255),i=C(i,255);var n,r,s=F(t,e,i),o=R(t,e,i),a=(s+o)/2;if(s==o)n=r=0;else{var 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this.State.DRAG:this.setClampedValue(this.getValueFromPos(t.y)+this.dragDelta,!1)}},this.stateTransition=function(t,e){if(t!=this.state){switch(this.state){case this.State.DRAG:this.setClampedValue(this.getValueFromPos(e.y)+this.dragDelta,!0);case this.State.HOVER:t==this.State.NORMAL&&(this.canvas.contextContainer.canvas.style.cursor="default")}switch(t){case this.State.DRAG:this.dragDelta=this.value-this.getValueFromPos(e.y);case this.State.HOVER:this.canvas.contextContainer.canvas.style.cursor="ns-resize"}this.state=t}},this.State={NORMAL:0,HOVER:1,DRAG:2},this.handleSize=10,this.desatOffset=-.3,this.hintSize=10,this.labelFontSize=15,this.labelSize=20,this.tickLength=5,this.emptyColor="#eeeeec",this.strokeColor="#d3d7cf",this.tickColor="#888a85",this.fillColorNeg="#3465a4",this.fillColorPos="#cc0000",this.handleColorNeg="#204a87",this.handleColorPos="#a40000",this.canvas=t,this.shapes=[],this.name=e,this.value=r.value,this.hints=r.hints,this.steps=r.steps,this.scale=s,this.range=o,this.bounds=a,this.state=this.State.NORMAL,this.updateShapes(!0)}t.Grapher=function(t,s,o,a,h){this.setColumns=function(t){this.clearColumns();var e=0;if(!a){var i={};_.each(t,function(t,e){i[e]=t.hints||[]}),e=this.getGlobalScale(i)}var n=this.getGraphBounds(this.getCanvasBounds()),s=0,o=this;_.each(t,function(t,i){a&&(e=o.getLocalScale(t.hints));var h=o.getColumnBounds(n,s);o.columns.push(new r(o.canvas,i,t,e,o.range,h)),o.indexMap[i]=s++})},this.clearColumns=function(){_.each(this.columns,function(t){t.clearShapes()}),this.columns=[],this.indexMap={}},this.setColumnHints=function(t){var e=0;this.useLocalScale||(e=this.getGlobalScale(t));var i=this;_.each(t,function(t,n){var r=i.getColumnIndex(n);console.assert(r>=0),i.useLocalScale&&(e=i.getLocalScale(t)),i.columns[r].setHints(t,e)})},this.setUseLocalScale=function(t){t!=this.useLocalScale&&(this.useLocalScale=t,this.invalidateHints())},this.setUseRelativeScale=function(t){t!=this.useRelativeScale&&(this.useRelativeScale=t,this.invalidateHints())},this.invalidateHints=function(){var t={};_.each(this.columns,function(e){t[e.name]=e.hints}),this.setColumnHints(t)},this.setValueChangedListener=function(t){_.each(this.columns,function(e){e.onValueChanged=t})},this.getLocalScale=function(t){var e=_.pluck(t,"count"),i=this.useRelativeScale?_.min(e):0;return new n(i,_.max(e))},this.getGlobalScale=function(t){var e=this,i=null;return _.each(t,function(t){var n=e.getLocalScale(t);i?i.includeRange(n):i=n}),i},this.getColumnCount=function(){return this.columns.length},this.getColumnIndex=function(t){return console.assert(t in this.indexMap),this.indexMap[t]},this.getColumnName=function(t){return this.columns[t].name},this.getColumnNames=function(){return _.pluck(this.columns,"name")},this.getCanvasBounds=function(){return new i(0,0,this.canvas.width-1,this.canvas.height-1)},this.getGraphBounds=function(){return this.getCanvasBounds()},this.getColumnBounds=function(t,e){var n=this.columnWidth+2*this.padding;return new i(t.left+n*e+this.padding,t.top,this.columnWidth,t.height)},this.getMousePos=function(t){var i=t.target.getBoundingClientRect();return new e(t.clientX-i.left,t.clientY-i.top)},this.mouseDown=function(t){var e=this.grapher.getMousePos(t);_.each(this.grapher.columns,function(t){t.mouseDown(e)})},this.mouseUp=function(t){var e=this.grapher.getMousePos(t);_.each(this.grapher.columns,function(t){t.mouseUp(e)})},this.mouseMove=function(t){var e=this.grapher.getMousePos(t);_.each(this.grapher.columns,function(t){t.mouseMove(e)})},this.mouseOut=function(t){var e=this.grapher.getMousePos(t);_.each(this.grapher.columns,function(t){t.mouseOut(e)})},this.mouseDoubleClick=function(t){var e=this.grapher.getMousePos(t);_.each(this.grapher.columns,function(t){t.mouseDoubleClick(e)})},this.useLocalScale=a,this.useRelativeScale=h,this.columnWidth=o,this.canvas=new fabric.StaticCanvas(t),this.range=new n(s.min,s.max),this.padding=10,this.indexMap={},this.columns=[];var l=this.canvas.contextContainer.canvas;l.addEventListener("mousedown",this.mouseDown,!1),l.addEventListener("mouseup",this.mouseUp,!1),l.addEventListener("mousemove",this.mouseMove,!1),l.addEventListener("mouseout",this.mouseOut,!1),l.addEventListener("dblclick",this.mouseDoubleClick,!1),l.grapher=this}}(window.grapher=window.grapher||{});