added pointAt() method to SVG.Path

2 files changed, 27 insertions, 22 deletions

diff --git a/dist/svg.js b/dist/svg.js
index 57b5f91..83ab4c5 100644
--- a/dist/svg.js
+++ b/dist/svg.js
@@ -1,4 +1,4 @@
-/* svg.js 1.0.0-rc.4-2-g6d76750 - svg inventor regex default color array pointarray patharray number viewbox bbox rbox element parent container fx relative event defs group arrange mask clip gradient pattern doc shape use rect ellipse line poly path image text textpath nested hyperlink sugar set data memory loader - svgjs.com/license */
+/* svg.js 1.0.0-rc.4-3-gc51d352 - svg inventor regex default color array pointarray patharray number viewbox bbox rbox element parent container fx relative event defs group arrange mask clip gradient pattern doc shape use rect ellipse line poly path image text textpath nested hyperlink sugar set data memory loader - svgjs.com/license */
 ;(function() {
 
   this.SVG = function(element) {
@@ -2979,10 +2979,7 @@
     , height: function(height) {
         return height == null ? this.bbox().height : this.size(this.bbox().width, height)
       }
-      // Get path length
-    , length: function() {
-        return this.node.getTotalLength()
-      }
+      
     }
     
     // Add parent method
@@ -3445,7 +3442,6 @@
   
   })
   
-  //
   SVG.extend(SVG.Rect, SVG.Ellipse, {
     // Add x and y radius
     radius: function(x, y) {
@@ -3454,23 +3450,32 @@
   
   })
   
+  SVG.extend(SVG.Path, {
+    // Get path length
+    length: function() {
+      return this.node.getTotalLength()
+    }
+    // Get point at length
+  , pointAt: function(length) {
+      return this.node.getPointAtLength(length)
+    }
   
-  if (SVG.Text) {
-    SVG.extend(SVG.Text, SVG.FX, {
-      // Set font 
-      font: function(o) {
-        for (var key in o)
-          key == 'anchor' ?
-            this.attr('text-anchor', o[key]) :
-          _styleAttr.indexOf(key) > -1 ?
-            this.attr('font-'+ key, o[key]) :
-            this.attr(key, o[key])
-        
-        return this
-      }
+  })
+  
+  SVG.extend(SVG.Text, SVG.FX, {
+    // Set font 
+    font: function(o) {
+      for (var key in o)
+        key == 'anchor' ?
+          this.attr('text-anchor', o[key]) :
+        _styleAttr.indexOf(key) > -1 ?
+          this.attr('font-'+ key, o[key]) :
+          this.attr(key, o[key])
       
-    })
-  }
+      return this
+    }
+    
+  })
   
 
 
diff --git a/dist/svg.min.js b/dist/svg.min.js
index eca7d1e..33b03db 100644
--- a/dist/svg.min.js
+++ b/dist/svg.min.js
@@ -1,2 +1,2 @@
 (function(){function t(t,e){return"number"==typeof t.from?t.from+(t.to-t.from)*e:t instanceof SVG.Color||t instanceof SVG.Number?t.at(e):1>e?t.from:t.to}if(this.SVG=function(t){return SVG.supported?(t=new SVG.Doc(t),SVG.parser||SVG.prepare(t),t):void 0},SVG.ns="http://www.w3.org/2000/svg",SVG.xmlns="http://www.w3.org/2000/xmlns/",SVG.xlink="http://www.w3.org/1999/xlink",SVG.did=1e3,SVG.eid=function(t){return"Svgjs"+t.charAt(0).toUpperCase()+t.slice(1)+SVG.did++},SVG.create=function(t){var e=document.createElementNS(this.ns,t);return e.setAttribute("id",this.eid(t)),e},SVG.extend=function(){var t,e,i,n;for(t=[].slice.call(arguments),e=t.pop(),n=t.length-1;n>=0;n--)if(t[n])for(i in e)t[n].prototype[i]=e[i];SVG.Set&&SVG.Set.inherit&&SVG.Set.inherit()},SVG.get=function(t){var e=document.getElementById(t);return e?e.instance:void 0},SVG.prepare=function(t){var e=document.getElementsByTagName("body")[0],i=(e?new SVG.Doc(e):t.nested()).size(2,2);SVG.parser={body:e||t.parent,draw:i.style("opacity:0;position:fixed;left:100%;top:100%;overflow:hidden"),poly:i.polygon().node,path:i.path().node}},SVG.supported=function(){return!!document.createElementNS&&!!document.createElementNS(SVG.ns,"svg").createSVGRect}(),!SVG.supported)return!1;SVG.invent=function(t){var e="function"==typeof t.create?t.create:function(){this.constructor.call(this,SVG.create(t.create))};return t.inherit&&(e.prototype=new t.inherit),t.extend&&SVG.extend(e,t.extend),t.construct&&SVG.extend(t.parent||SVG.Container,t.construct),e},SVG.regex={test:function(t,e){return this[e].test(t)},unit:/^(-?[\d\.]+)([a-z%]{0,2})$/,hex:/^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i,rgb:/rgb\((\d+),(\d+),(\d+)\)/,isHex:/^#[a-f0-9]{3,6}$/i,isRgb:/^rgb\(/,isCss:/[^:]+:[^;]+;?/,isStyle:/^font|text|leading|cursor/,isBlank:/^(\s+)?$/,isNumber:/^-?[\d\.]+$/,isPercent:/^-?[\d\.]+%$/,isImage:/\.(jpg|jpeg|png|gif)(\?[^=]+.*)?/i},SVG.defaults={matrix:"1 0 0 1 0 0",attrs:{"fill-opacity":1,"stroke-opacity":1,"stroke-width":0,"stroke-linejoin":"miter","stroke-linecap":"butt",fill:"#000000",stroke:"#000000",opacity:1,x:0,y:0,cx:0,cy:0,width:0,height:0,r:0,rx:0,ry:0,offset:0,"stop-opacity":1,"stop-color":"#000000"},trans:function(){return{x:0,y:0,scaleX:1,scaleY:1,rotation:0,skewX:0,skewY:0,matrix:this.matrix,a:1,b:0,c:0,d:1,e:0,f:0}}},SVG.Color=function(t){var e;this.r=0,this.g=0,this.b=0,"string"==typeof t?SVG.regex.isRgb.test(t)?(e=SVG.regex.rgb.exec(t.replace(/\s/g,"")),this.r=parseInt(e[1]),this.g=parseInt(e[2]),this.b=parseInt(e[3])):SVG.regex.isHex.test(t)&&(e=SVG.regex.hex.exec(this._fullHex(t)),this.r=parseInt(e[1],16),this.g=parseInt(e[2],16),this.b=parseInt(e[3],16)):"object"==typeof t&&(this.r=t.r,this.g=t.g,this.b=t.b)},SVG.extend(SVG.Color,{toString:function(){return this.toHex()},toHex:function(){return"#"+this._compToHex(this.r)+this._compToHex(this.g)+this._compToHex(this.b)},toRgb:function(){return"rgb("+[this.r,this.g,this.b].join()+")"},brightness:function(){return.3*(this.r/255)+.59*(this.g/255)+.11*(this.b/255)},morph:function(t){return this.destination=new SVG.Color(t),this},at:function(t){return this.destination?(t=0>t?0:t>1?1:t,new SVG.Color({r:~~(this.r+(this.destination.r-this.r)*t),g:~~(this.g+(this.destination.g-this.g)*t),b:~~(this.b+(this.destination.b-this.b)*t)})):this},_fullHex:function(t){return 4==t.length?["#",t.substring(1,2),t.substring(1,2),t.substring(2,3),t.substring(2,3),t.substring(3,4),t.substring(3,4)].join(""):t},_compToHex:function(t){var e=t.toString(16);return 1==e.length?"0"+e:e}}),SVG.Color.test=function(t){return t+="",SVG.regex.isHex.test(t)||SVG.regex.isRgb.test(t)},SVG.Color.isRgb=function(t){return t&&"number"==typeof t.r&&"number"==typeof t.g&&"number"==typeof t.b},SVG.Color.isColor=function(t){return SVG.Color.isRgb(t)||SVG.Color.test(t)},SVG.Array=function(t,e){t=(t||[]).valueOf(),0==t.length&&e&&(t=e.valueOf()),this.value=this.parse(t)},SVG.extend(SVG.Array,{morph:function(t){if(this.destination=this.parse(t),this.value.length!=this.destination.length){for(var e=this.value[this.value.length-1],i=this.destination[this.destination.length-1];this.value.length>this.destination.length;)this.destination.push(i);for(;this.value.length<this.destination.length;)this.value.push(e)}return this},settle:function(){for(var t=0,e=this.value.length,i=[];e>t;t++)-1==i.indexOf(this.value[t])&&i.push(this.value[t]);return this.value=i},at:function(t){if(!this.destination)return this;for(var e=0,i=this.value.length,n=[];i>e;e++)n.push(this.value[e]+(this.destination[e]-this.value[e])*t);return new SVG.Array(n)},toString:function(){return this.value.join(" ")},valueOf:function(){return this.value},parse:function(t){return t=t.valueOf(),Array.isArray(t)?t:this.split(t)},split:function(t){return t.replace(/\s+/g," ").replace(/^\s+|\s+$/g,"").split(" ")}}),SVG.PointArray=function(){this.constructor.apply(this,arguments)},SVG.PointArray.prototype=new SVG.Array,SVG.extend(SVG.PointArray,{toString:function(){for(var t=0,e=this.value.length,i=[];e>t;t++)i.push(this.value[t].join(","));return i.join(" ")},at:function(t){if(!this.destination)return this;for(var e=0,i=this.value.length,n=[];i>e;e++)n.push([this.value[e][0]+(this.destination[e][0]-this.value[e][0])*t,this.value[e][1]+(this.destination[e][1]-this.value[e][1])*t]);return new SVG.PointArray(n)},parse:function(t){if(t=t.valueOf(),Array.isArray(t))return t;t=this.split(t);for(var e,i=0,n=t.length,r=[];n>i;i++)e=t[i].split(","),r.push([parseFloat(e[0]),parseFloat(e[1])]);return r},move:function(t,e){var i=this.bbox();if(t-=i.x,e-=i.y,!isNaN(t)&&!isNaN(e))for(var n=this.value.length-1;n>=0;n--)this.value[n]=[this.value[n][0]+t,this.value[n][1]+e];return this},size:function(t,e){var i,n=this.bbox();for(i=this.value.length-1;i>=0;i--)this.value[i][0]=(this.value[i][0]-n.x)*t/n.width+n.x,this.value[i][1]=(this.value[i][1]-n.y)*e/n.height+n.x;return this},bbox:function(){return this._cachedBBox?this._cachedBBox:(SVG.parser.poly.setAttribute("points",this.toString()),SVG.parser.poly.getBBox())}}),SVG.PathArray=function(t,e){this.constructor.call(this,t,e)},SVG.PathArray.prototype=new SVG.Array,SVG.extend(SVG.PathArray,{toString:function(){for(var t,e=0,i=this.value.length,n=[];i>e;e++){switch(t=[this.value[e].type],this.value[e].type){case"H":t.push(this.value[e].x);break;case"V":t.push(this.value[e].y);break;case"M":case"L":case"T":case"S":case"Q":case"C":/[QC]/.test(this.value[e].type)&&t.push(this.value[e].x1,this.value[e].y1),/[CS]/.test(this.value[e].type)&&t.push(this.value[e].x2,this.value[e].y2),t.push(this.value[e].x,this.value[e].y);break;case"A":t.push(this.value[e].r1,this.value[e].r2,this.value[e].a||0,this.value[e].l||0,this.value[e].s||0,this.value[e].x,this.value[e].y)}n.push(t.join(" "))}return n.join(" ")},move:function(t,e){var i=this.bbox();if(t-=i.x,e-=i.y,!isNaN(t)&&!isNaN(e))for(var n=this.value.length-1;n>=0;n--)switch(this.value[n].type){case"H":this.value[n].x+=t;break;case"V":this.value[n].y+=e;break;case"M":case"L":case"T":case"S":case"Q":case"C":this.value[n].x+=t,this.value[n].y+=e,/[CQ]/.test(this.value[n].type)&&(this.value[n].x1+=t,this.value[n].y1+=e),/[CS]/.test(this.value[n].type)&&(this.value[n].x2+=t,this.value[n].y2+=e);break;case"A":this.value[n].x+=t,this.value[n].y+=e}return this},size:function(t,e){for(var i=this.bbox(),n=this.value.length-1;n>=0;n--)switch(this.value[n].type){case"H":this.value[n].x=(this.value[n].x-i.x)*t/i.width+i.x;break;case"V":this.value[n].y=(this.value[n].y-i.y)*e/i.height+i.y;break;case"M":case"L":case"T":case"S":case"Q":case"C":this.value[n].x=(this.value[n].x-i.x)*t/i.width+i.x,this.value[n].y=(this.value[n].y-i.y)*e/i.height+i.y,/[CQ]/.test(this.value[n].type)&&(this.value[n].x1=(this.value[n].x1-i.x)*t/i.width+i.x,this.value[n].y1=(this.value[n].y1-i.y)*e/i.height+i.y),/[CS]/.test(this.value[n].type)&&(this.value[n].x2=(this.value[n].x2-i.x)*t/i.width+i.x,this.value[n].y2=(this.value[n].y2-i.y)*e/i.height+i.y);break;case"A":this.value[n].values.r1=this.value[n].values.r1*t/i.width,this.value[n].values.r2=this.value[n].values.r2*e/i.height,this.value[n].values.x=(this.value[n].values.x-i.x)*t/i.width+i.x,this.value[n].values.y=(this.value[n].values.y-i.y)*e/i.height+i.y}return this},parse:function(t){if(t=t.valueOf(),Array.isArray(t))return t;var e,i,n,r,s,h,o,a,u,l,c,f=0,p=0;for(SVG.parser.path.setAttribute("d",t),c=SVG.parser.path.pathSegList,e=0,i=c.numberOfItems;i>e;++e){if(l=c.getItem(e),u=l.pathSegTypeAsLetter,/[MLHVCSQTA]/.test(u))"x"in l&&(f=l.x),"y"in l&&(p=l.y);else switch("x1"in l&&(s=f+l.x1),"x2"in l&&(o=f+l.x2),"y1"in l&&(h=p+l.y1),"y2"in l&&(a=p+l.y2),"x"in l&&(f+=l.x),"y"in l&&(p+=l.y),u){case"m":c.replaceItem(SVG.parser.path.createSVGPathSegMovetoAbs(f,p),e);break;case"l":c.replaceItem(SVG.parser.path.createSVGPathSegLinetoAbs(f,p),e);break;case"h":c.replaceItem(SVG.parser.path.createSVGPathSegLinetoHorizontalAbs(f),e);break;case"v":c.replaceItem(SVG.parser.path.createSVGPathSegLinetoVerticalAbs(p),e);break;case"c":c.replaceItem(SVG.parser.path.createSVGPathSegCurvetoCubicAbs(f,p,s,h,o,a),e);break;case"s":c.replaceItem(SVG.parser.path.createSVGPathSegCurvetoCubicSmoothAbs(f,p,o,a),e);break;case"q":c.replaceItem(SVG.parser.path.createSVGPathSegCurvetoQuadraticAbs(f,p,s,h),e);break;case"t":c.replaceItem(SVG.parser.path.createSVGPathSegCurvetoQuadraticSmoothAbs(f,p),e);break;case"a":c.replaceItem(SVG.parser.path.createSVGPathSegArcAbs(f,p,l.r1,l.r2,l.angle,l.largeArcFlag,l.sweepFlag),e);break;case"z":case"Z":f=n,p=r}/[Mm]/.test(u)&&(n=f,r=p)}for(t=[],c=SVG.parser.path.pathSegList,e=0,i=c.numberOfItems;i>e;++e){switch(l=c.getItem(e),u={},l.pathSegTypeAsLetter){case"M":case"L":case"T":case"S":case"Q":case"C":/[QC]/.test(l.pathSegTypeAsLetter)&&(u.x1=l.x1,u.y1=l.y1),/[SC]/.test(l.pathSegTypeAsLetter)&&(u.x2=l.x2,u.y2=l.y2);break;case"A":u={r1:l.r1,r2:l.r2,a:l.angle,l:l.largeArcFlag,s:l.sweepFlag}}u.type=l.pathSegTypeAsLetter,u.x=l.x,u.y=l.y,t.push(u)}return t},bbox:function(){return SVG.parser.path.setAttribute("d",this.toString()),SVG.parser.path.getBBox()}}),SVG.Number=function(t){switch(this.value=0,this.unit="",typeof t){case"number":this.value=isNaN(t)?0:isFinite(t)?t:0>t?-3.4e38:3.4e38;break;case"string":var e=t.match(SVG.regex.unit);e&&(this.value=parseFloat(e[1]),"%"==e[2]?this.value/=100:"s"==e[2]&&(this.value*=1e3),this.unit=e[2]);break;default:t instanceof SVG.Number&&(this.value=t.value,this.unit=t.unit)}},SVG.extend(SVG.Number,{toString:function(){return("%"==this.unit?~~(1e8*this.value)/1e6:"s"==this.unit?this.value/1e3:this.value)+this.unit},valueOf:function(){return this.value},plus:function(t){return this.value=this+new SVG.Number(t),this},minus:function(t){return this.plus(-new SVG.Number(t))},times:function(t){return this.value=this*new SVG.Number(t),this},divide:function(t){return this.value=this/new SVG.Number(t),this},to:function(t){return"string"==typeof t&&(this.unit=t),this},morph:function(t){return this.destination=new SVG.Number(t),this},at:function(t){return this.destination?new SVG.Number(this.destination).minus(this).times(t).plus(this):this}}),SVG.ViewBox=function(t){var e,i,n,r,s=1,h=1,o=t.bbox(),a=(t.attr("viewBox")||"").match(/-?[\d\.]+/g);for(n=new SVG.Number(t.width()),r=new SVG.Number(t.height());"%"==n.unit;)s*=n.value,n=new SVG.Number(t instanceof SVG.Doc?t.parent.offsetWidth:t.width());for(;"%"==r.unit;)h*=r.value,r=new SVG.Number(t instanceof SVG.Doc?t.parent.offsetHeight:t.height());this.x=o.x,this.y=o.y,this.width=n*s,this.height=r*h,this.zoom=1,a&&(e=parseFloat(a[0]),i=parseFloat(a[1]),n=parseFloat(a[2]),r=parseFloat(a[3]),this.zoom=this.width/this.height>n/r?this.height/r:this.width/n,this.x=e,this.y=i,this.width=n,this.height=r)},SVG.extend(SVG.ViewBox,{toString:function(){return this.x+" "+this.y+" "+this.width+" "+this.height}}),SVG.BBox=function(t){var e;if(this.x=0,this.y=0,this.width=0,this.height=0,t){try{e=t.node.getBBox()}catch(i){e={x:t.node.clientLeft,y:t.node.clientTop,width:t.node.clientWidth,height:t.node.clientHeight}}this.x=e.x+t.trans.x,this.y=e.y+t.trans.y,this.width=e.width*t.trans.scaleX,this.height=e.height*t.trans.scaleY}this.cx=this.x+this.width/2,this.cy=this.y+this.height/2},SVG.extend(SVG.BBox,{merge:function(t){var e=new SVG.BBox;return e.x=Math.min(this.x,t.x),e.y=Math.min(this.y,t.y),e.width=Math.max(this.x+this.width,t.x+t.width)-e.x,e.height=Math.max(this.y+this.height,t.y+t.height)-e.y,e.cx=e.x+e.width/2,e.cy=e.y+e.height/2,e}}),SVG.RBox=function(t){var e,i,n={};if(this.x=0,this.y=0,this.width=0,this.height=0,t){for(e=t.doc().parent,i=t.doc().viewbox().zoom,n=t.node.getBoundingClientRect(),this.x=n.left,this.y=n.top,this.x-=e.offsetLeft,this.y-=e.offsetTop;e=e.offsetParent;)this.x-=e.offsetLeft,this.y-=e.offsetTop;for(e=t;e=e.parent;)"svg"==e.type&&e.viewbox&&(i*=e.viewbox().zoom,this.x-=e.x()||0,this.y-=e.y()||0)}this.x/=i,this.y/=i,this.width=n.width/=i,this.height=n.height/=i,this.cx=this.x+this.width/2,this.cy=this.y+this.height/2},SVG.extend(SVG.RBox,{merge:function(t){var e=new SVG.RBox;return e.x=Math.min(this.x,t.x),e.y=Math.min(this.y,t.y),e.width=Math.max(this.x+this.width,t.x+t.width)-e.x,e.height=Math.max(this.y+this.height,t.y+t.height)-e.y,e.cx=e.x+e.width/2,e.cy=e.y+e.height/2,e}}),SVG.Element=SVG.invent({create:function(t){this._stroke=SVG.defaults.attrs.stroke,this.styles={},this.trans=SVG.defaults.trans(),(this.node=t)&&(this.type=t.nodeName,this.node.instance=this)},extend:{x:function(t){return t&&(t=new 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SVG.Number(t).divide(this.trans.scaleX))},cy:function(t){return null==t?this.attr("cy"):this.attr("cy",new SVG.Number(t).divide(this.trans.scaleY))},width:function(t){return null==t?2*this.attr("rx"):this.attr("rx",new SVG.Number(t).divide(2))},height:function(t){return null==t?2*this.attr("ry"):this.attr("ry",new SVG.Number(t).divide(2))},size:function(t,e){var i=this._proportionalSize(t,e);return this.attr({rx:new SVG.Number(i.width).divide(2),ry:new SVG.Number(i.height).divide(2)})}},construct:{circle:function(t){return this.ellipse(t,t)},ellipse:function(t,e){return this.put(new SVG.Ellipse).size(t,e).move(0,0)}}}),SVG.Line=SVG.invent({create:"line",inherit:SVG.Shape,extend:{x:function(t){var e=this.bbox();
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SVG.Polyline).plot(t)}}}),SVG.Polygon=SVG.invent({create:"polygon",inherit:SVG.Shape,construct:{polygon:function(t){return this.put(new SVG.Polygon).plot(t)}}}),SVG.extend(SVG.Polyline,SVG.Polygon,{morphArray:SVG.PointArray,plot:function(t){return this.attr("points",this.array=new SVG.PointArray(t,[[0,0]]))},move:function(t,e){return this.attr("points",this.array.move(t,e))},x:function(t){return null==t?this.bbox().x:this.move(t,this.bbox().y)},y:function(t){return null==t?this.bbox().y:this.move(this.bbox().x,t)},width:function(t){var e=this.bbox();return null==t?e.width:this.size(t,e.height)},height:function(t){var e=this.bbox();return null==t?e.height:this.size(e.width,t)},size:function(t,e){var i=this._proportionalSize(t,e);return this.attr("points",this.array.size(i.width,i.height))}}),SVG.Path=SVG.invent({create:"path",inherit:SVG.Shape,extend:{plot:function(t){return this.attr("d",this.array=new SVG.PathArray(t,[{type:"M",x:0,y:0}]))},move:function(t,e){return this.attr("d",this.array.move(t,e))},x:function(t){return null==t?this.bbox().x:this.move(t,this.bbox().y)},y:function(t){return null==t?this.bbox().y:this.move(this.bbox().x,t)},size:function(t,e){var i=this._proportionalSize(t,e);return this.attr("d",this.array.size(i.width,i.height))},width:function(t){return null==t?this.bbox().width:this.size(t,this.bbox().height)},height:function(t){return null==t?this.bbox().height:this.size(this.bbox().width,t)},length:function(){return this.node.getTotalLength()}},construct:{path:function(t){return this.put(new SVG.Path).plot(t)}}}),SVG.Image=SVG.invent({create:"image",inherit:SVG.Shape,extend:{load:function(t){if(!t)return this;var e=this,i=document.createElement("img");return i.onload=function(){var n=e.doc(SVG.Pattern);0==e.width()&&0==e.height()&&e.size(i.width,i.height),n&&0==n.width()&&0==n.height()&&n.size(e.width(),e.height()),"function"==typeof e._loaded&&e._loaded.call(e,{width:i.width,height:i.height,ratio:i.width/i.height,url:t})},this.attr("href",i.src=this.src=t,SVG.xlink)},loaded:function(t){return this._loaded=t,this}},construct:{image:function(t,e,i){return this.put(new SVG.Image).load(t).size(e||0,i||e||0)}}});var e="size family weight stretch variant style".split(" ");SVG.Text=SVG.invent({create:function(){this.constructor.call(this,SVG.create("text")),this.styles={"font-size":16,"font-family":"Helvetica, Arial, sans-serif","text-anchor":"start"},this._leading=new SVG.Number("1.2em"),this._rebuild=!0},inherit:SVG.Shape,extend:{x:function(t,e){return null==t?e?this.attr("x"):this.bbox().x:(e||(e=this.style("text-anchor"),t="start"==e?t:"end"==e?t+this.bbox().width:t+this.bbox().width/2),this.textPath||this.lines.each(function(){this.newLined&&this.x(t)}),this.attr("x",t))},cx:function(t){return null==t?this.bbox().cx:this.x(t-this.bbox().width/2)},cy:function(t,e){return null==t?this.bbox().cy:this.y(e?t:t-this.bbox().height/2)},move:function(t,e,i){return this.x(t,i).y(e)},center:function(t,e,i){return this.cx(t,i).cy(e,i)},text:function(t){if(null==t)return this.content;if(this.clear(),"function"==typeof t)this._rebuild=!1,t.call(this,this);else{this._rebuild=!0,t=SVG.regex.isBlank.test(t)?"text":t;var e,i,n=t.split("\n");for(e=0,i=n.length;i>e;e++)this.tspan(n[e]).newLine();this.rebuild()}return this},tspan:function(t){var e=this.textPath?this.textPath.node:this.node,i=(new SVG.TSpan).text(t),n=this.style();return e.appendChild(i.node),this.lines.add(i),SVG.regex.isBlank.test(n)||i.style(n),this.content+=t,i.parent=this,i},size:function(t){return this.attr("font-size",t)},leading:function(t){return null==t?this._leading:(t=new SVG.Number(t),this._leading=t,this.lines.each(function(){this.newLined&&this.attr("dy",t)}),this)},rebuild:function(){return this._rebuild&&this.lines.attr({x:this.attr("x"),dy:this._leading,style:this.style()}),this},clear:function(){for(var t=this.textPath?this.textPath.node:this.node;t.hasChildNodes();)t.removeChild(t.lastChild);return delete this.lines,this.lines=new SVG.Set,this.content="",this}},construct:{text:function(t){return this.put(new SVG.Text).text(t)}}}),SVG.TSpan=SVG.invent({create:"tspan",inherit:SVG.Shape,extend:{text:function(t){return this.node.appendChild(document.createTextNode(t)),this},dx:function(t){return this.attr("dx",t)},dy:function(t){return this.attr("dy",t)},newLine:function(){return this.newLined=!0,this.parent.content+="\n",this.dy(this.parent._leading),this.attr("x",this.parent.x())}}}),SVG.TextPath=SVG.invent({create:"textPath",inherit:SVG.Element,parent:SVG.Text,construct:{path:function(t){for(this.textPath=new SVG.TextPath;this.node.hasChildNodes();)this.textPath.node.appendChild(this.node.firstChild);return this.node.appendChild(this.textPath.node),this.track=this.doc().defs().path(t),this.textPath.parent=this,this.textPath.attr("href","#"+this.track,SVG.xlink),this},plot:function(t){return this.track&&this.track.plot(t),this}}}),SVG.Nested=SVG.invent({create:function(){this.constructor.call(this,SVG.create("svg")),this.style("overflow","visible")},inherit:SVG.Container,construct:{nested:function(){return this.put(new SVG.Nested)}}}),SVG.A=SVG.invent({create:"a",inherit:SVG.Container,extend:{to:function(t){return this.attr("href",t,SVG.xlink)},show:function(t){return this.attr("show",t,SVG.xlink)},target:function(t){return this.attr("target",t)}},construct:{link:function(t){return this.put(new SVG.A).to(t)}}}),SVG.extend(SVG.Element,{linkTo:function(t){var e=new SVG.A;return"function"==typeof t?t.call(e,e):e.to(t),this.parent.put(e).put(this)}}),SVG._stroke=["color","width","opacity","linecap","linejoin","miterlimit","dasharray","dashoffset"],SVG._fill=["color","opacity","rule"];var i=function(t,e){return"color"==e?t:t+"-"+e};["fill","stroke"].forEach(function(t){var e={};e[t]=function(e){if("string"==typeof e||SVG.Color.isRgb(e)||e&&"function"==typeof e.fill)this.attr(t,e);else for(index=SVG["_"+t].length-1;index>=0;index--)null!=e[SVG["_"+t][index]]&&this.attr(i(t,SVG["_"+t][index]),e[SVG["_"+t][index]]);return this},SVG.extend(SVG.Element,SVG.FX,e)}),SVG.extend(SVG.Element,SVG.FX,{rotate:function(t,e,i){return this.transform({rotation:t||0,cx:e,cy:i})},skew:function(t,e){return this.transform({skewX:t||0,skewY:e||0})},scale:function(t,e){return this.transform({scaleX:t,scaleY:null==e?t:e})},translate:function(t,e){return this.transform({x:t,y:e})},matrix:function(t){return this.transform({matrix:t})},opacity:function(t){return this.attr("opacity",t)}}),SVG.extend(SVG.Rect,SVG.Ellipse,{radius:function(t,e){return this.attr({rx:t,ry:e||t})}}),SVG.Text&&SVG.extend(SVG.Text,SVG.FX,{font:function(t){for(var i in t)"anchor"==i?this.attr("text-anchor",t[i]):e.indexOf(i)>-1?this.attr("font-"+i,t[i]):this.attr(i,t[i]);return this}}),SVG.Set=SVG.invent({create:function(){this.clear()},extend:{add:function(){var t,e,i=[].slice.call(arguments);for(t=0,e=i.length;e>t;t++)this.members.push(i[t]);return this},remove:function(t){var e=this.index(t);return e>-1&&this.members.splice(e,1),this},each:function(t){for(var e=0,i=this.members.length;i>e;e++)t.apply(this.members[e],[e,this.members]);return this},clear:function(){return this.members=[],this},has:function(t){return this.index(t)>=0},index:function(t){return this.members.indexOf(t)},get:function(t){return this.members[t]},valueOf:function(){return this.members},bbox:function(){var t=new SVG.BBox;if(0==this.members.length)return t;var e=this.members[0].rbox();return t.x=e.x,t.y=e.y,t.width=e.width,t.height=e.height,this.each(function(){t=t.merge(this.rbox())}),t}},construct:{set:function(){return new SVG.Set}}}),SVG.SetFX=SVG.invent({create:function(t){this.set=t}}),SVG.Set.inherit=function(){var t,e=[];for(var t in SVG.Shape.prototype)"function"==typeof SVG.Shape.prototype[t]&&"function"!=typeof SVG.Set.prototype[t]&&e.push(t);e.forEach(function(t){SVG.Set.prototype[t]=function(){for(var e=0,i=this.members.length;i>e;e++)this.members[e]&&"function"==typeof this.members[e][t]&&this.members[e][t].apply(this.members[e],arguments);return"animate"==t?this.fx||(this.fx=new SVG.SetFX(this)):this}}),e=[];for(var t in SVG.FX.prototype)"function"==typeof SVG.FX.prototype[t]&&"function"!=typeof SVG.SetFX.prototype[t]&&e.push(t);e.forEach(function(t){SVG.SetFX.prototype[t]=function(){for(var e=0,i=this.set.members.length;i>e;e++)this.set.members[e].fx[t].apply(this.set.members[e].fx,arguments);return this}})},SVG.extend(SVG.Element,{data:function(t,e,i){if("object"==typeof t)for(e in t)this.data(e,t[e]);else if(2>arguments.length)try{return JSON.parse(this.attr("data-"+t))}catch(n){return this.attr("data-"+t)}else this.attr("data-"+t,null===e?null:i===!0||"string"==typeof e||"number"==typeof e?e:JSON.stringify(e));return this}}),SVG.extend(SVG.Element,{remember:function(t,e){if("object"==typeof arguments[0])for(var e in t)this.remember(e,t[e]);else{if(1==arguments.length)return this.memory()[t];this.memory()[t]=e}return this},forget:function(){if(0==arguments.length)this._memory={};else for(var t=arguments.length-1;t>=0;t--)delete this.memory()[arguments[t]];return this},memory:function(){return this._memory||(this._memory={})}}),"function"==typeof define&&define.amd?define(function(){return SVG}):"undefined"!=typeof exports&&(exports.SVG=SVG)}).call(this);
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+return null==t?e.x:this.attr({x1:this.attr("x1")-e.x+t,x2:this.attr("x2")-e.x+t})},y:function(t){var e=this.bbox();return null==t?e.y:this.attr({y1:this.attr("y1")-e.y+t,y2:this.attr("y2")-e.y+t})},cx:function(t){var e=this.bbox().width/2;return null==t?this.x()+e:this.x(t-e)},cy:function(t){var e=this.bbox().height/2;return null==t?this.y()+e:this.y(t-e)},width:function(t){var e=this.bbox();return null==t?e.width:this.attr(this.attr("x1")<this.attr("x2")?"x2":"x1",e.x+t)},height:function(t){var e=this.bbox();return null==t?e.height:this.attr(this.attr("y1")<this.attr("y2")?"y2":"y1",e.y+t)},size:function(t,e){var i=this._proportionalSize(t,e);return this.width(i.width).height(i.height)},plot:function(t,e,i,n){return this.attr({x1:t,y1:e,x2:i,y2:n})}},construct:{line:function(t,e,i,n){return this.put((new SVG.Line).plot(t,e,i,n))}}}),SVG.Polyline=SVG.invent({create:"polyline",inherit:SVG.Shape,construct:{polyline:function(t){return this.put(new SVG.Polyline).plot(t)}}}),SVG.Polygon=SVG.invent({create:"polygon",inherit:SVG.Shape,construct:{polygon:function(t){return this.put(new SVG.Polygon).plot(t)}}}),SVG.extend(SVG.Polyline,SVG.Polygon,{morphArray:SVG.PointArray,plot:function(t){return this.attr("points",this.array=new SVG.PointArray(t,[[0,0]]))},move:function(t,e){return this.attr("points",this.array.move(t,e))},x:function(t){return null==t?this.bbox().x:this.move(t,this.bbox().y)},y:function(t){return null==t?this.bbox().y:this.move(this.bbox().x,t)},width:function(t){var e=this.bbox();return null==t?e.width:this.size(t,e.height)},height:function(t){var e=this.bbox();return null==t?e.height:this.size(e.width,t)},size:function(t,e){var i=this._proportionalSize(t,e);return this.attr("points",this.array.size(i.width,i.height))}}),SVG.Path=SVG.invent({create:"path",inherit:SVG.Shape,extend:{plot:function(t){return this.attr("d",this.array=new SVG.PathArray(t,[{type:"M",x:0,y:0}]))},move:function(t,e){return this.attr("d",this.array.move(t,e))},x:function(t){return null==t?this.bbox().x:this.move(t,this.bbox().y)},y:function(t){return null==t?this.bbox().y:this.move(this.bbox().x,t)},size:function(t,e){var i=this._proportionalSize(t,e);return this.attr("d",this.array.size(i.width,i.height))},width:function(t){return null==t?this.bbox().width:this.size(t,this.bbox().height)},height:function(t){return null==t?this.bbox().height:this.size(this.bbox().width,t)}},construct:{path:function(t){return this.put(new SVG.Path).plot(t)}}}),SVG.Image=SVG.invent({create:"image",inherit:SVG.Shape,extend:{load:function(t){if(!t)return this;var e=this,i=document.createElement("img");return i.onload=function(){var n=e.doc(SVG.Pattern);0==e.width()&&0==e.height()&&e.size(i.width,i.height),n&&0==n.width()&&0==n.height()&&n.size(e.width(),e.height()),"function"==typeof e._loaded&&e._loaded.call(e,{width:i.width,height:i.height,ratio:i.width/i.height,url:t})},this.attr("href",i.src=this.src=t,SVG.xlink)},loaded:function(t){return this._loaded=t,this}},construct:{image:function(t,e,i){return this.put(new SVG.Image).load(t).size(e||0,i||e||0)}}});var e="size family weight stretch variant style".split(" ");SVG.Text=SVG.invent({create:function(){this.constructor.call(this,SVG.create("text")),this.styles={"font-size":16,"font-family":"Helvetica, Arial, sans-serif","text-anchor":"start"},this._leading=new SVG.Number("1.2em"),this._rebuild=!0},inherit:SVG.Shape,extend:{x:function(t,e){return null==t?e?this.attr("x"):this.bbox().x:(e||(e=this.style("text-anchor"),t="start"==e?t:"end"==e?t+this.bbox().width:t+this.bbox().width/2),this.textPath||this.lines.each(function(){this.newLined&&this.x(t)}),this.attr("x",t))},cx:function(t){return null==t?this.bbox().cx:this.x(t-this.bbox().width/2)},cy:function(t,e){return null==t?this.bbox().cy:this.y(e?t:t-this.bbox().height/2)},move:function(t,e,i){return this.x(t,i).y(e)},center:function(t,e,i){return this.cx(t,i).cy(e,i)},text:function(t){if(null==t)return this.content;if(this.clear(),"function"==typeof t)this._rebuild=!1,t.call(this,this);else{this._rebuild=!0,t=SVG.regex.isBlank.test(t)?"text":t;var e,i,n=t.split("\n");for(e=0,i=n.length;i>e;e++)this.tspan(n[e]).newLine();this.rebuild()}return this},tspan:function(t){var e=this.textPath?this.textPath.node:this.node,i=(new SVG.TSpan).text(t),n=this.style();return e.appendChild(i.node),this.lines.add(i),SVG.regex.isBlank.test(n)||i.style(n),this.content+=t,i.parent=this,i},size:function(t){return this.attr("font-size",t)},leading:function(t){return null==t?this._leading:(t=new SVG.Number(t),this._leading=t,this.lines.each(function(){this.newLined&&this.attr("dy",t)}),this)},rebuild:function(){return this._rebuild&&this.lines.attr({x:this.attr("x"),dy:this._leading,style:this.style()}),this},clear:function(){for(var t=this.textPath?this.textPath.node:this.node;t.hasChildNodes();)t.removeChild(t.lastChild);return delete this.lines,this.lines=new SVG.Set,this.content="",this}},construct:{text:function(t){return this.put(new SVG.Text).text(t)}}}),SVG.TSpan=SVG.invent({create:"tspan",inherit:SVG.Shape,extend:{text:function(t){return this.node.appendChild(document.createTextNode(t)),this},dx:function(t){return this.attr("dx",t)},dy:function(t){return this.attr("dy",t)},newLine:function(){return this.newLined=!0,this.parent.content+="\n",this.dy(this.parent._leading),this.attr("x",this.parent.x())}}}),SVG.TextPath=SVG.invent({create:"textPath",inherit:SVG.Element,parent:SVG.Text,construct:{path:function(t){for(this.textPath=new SVG.TextPath;this.node.hasChildNodes();)this.textPath.node.appendChild(this.node.firstChild);return this.node.appendChild(this.textPath.node),this.track=this.doc().defs().path(t),this.textPath.parent=this,this.textPath.attr("href","#"+this.track,SVG.xlink),this},plot:function(t){return this.track&&this.track.plot(t),this}}}),SVG.Nested=SVG.invent({create:function(){this.constructor.call(this,SVG.create("svg")),this.style("overflow","visible")},inherit:SVG.Container,construct:{nested:function(){return this.put(new SVG.Nested)}}}),SVG.A=SVG.invent({create:"a",inherit:SVG.Container,extend:{to:function(t){return this.attr("href",t,SVG.xlink)},show:function(t){return this.attr("show",t,SVG.xlink)},target:function(t){return this.attr("target",t)}},construct:{link:function(t){return this.put(new SVG.A).to(t)}}}),SVG.extend(SVG.Element,{linkTo:function(t){var e=new SVG.A;return"function"==typeof t?t.call(e,e):e.to(t),this.parent.put(e).put(this)}}),SVG._stroke=["color","width","opacity","linecap","linejoin","miterlimit","dasharray","dashoffset"],SVG._fill=["color","opacity","rule"];var i=function(t,e){return"color"==e?t:t+"-"+e};["fill","stroke"].forEach(function(t){var e={};e[t]=function(e){if("string"==typeof e||SVG.Color.isRgb(e)||e&&"function"==typeof e.fill)this.attr(t,e);else for(index=SVG["_"+t].length-1;index>=0;index--)null!=e[SVG["_"+t][index]]&&this.attr(i(t,SVG["_"+t][index]),e[SVG["_"+t][index]]);return this},SVG.extend(SVG.Element,SVG.FX,e)}),SVG.extend(SVG.Element,SVG.FX,{rotate:function(t,e,i){return this.transform({rotation:t||0,cx:e,cy:i})},skew:function(t,e){return this.transform({skewX:t||0,skewY:e||0})},scale:function(t,e){return this.transform({scaleX:t,scaleY:null==e?t:e})},translate:function(t,e){return this.transform({x:t,y:e})},matrix:function(t){return this.transform({matrix:t})},opacity:function(t){return this.attr("opacity",t)}}),SVG.extend(SVG.Rect,SVG.Ellipse,{radius:function(t,e){return this.attr({rx:t,ry:e||t})}}),SVG.extend(SVG.Path,{length:function(){return this.node.getTotalLength()},pointAt:function(t){return this.node.getPointAtLength(t)}}),SVG.extend(SVG.Text,SVG.FX,{font:function(t){for(var i in t)"anchor"==i?this.attr("text-anchor",t[i]):e.indexOf(i)>-1?this.attr("font-"+i,t[i]):this.attr(i,t[i]);return this}}),SVG.Set=SVG.invent({create:function(){this.clear()},extend:{add:function(){var t,e,i=[].slice.call(arguments);for(t=0,e=i.length;e>t;t++)this.members.push(i[t]);return this},remove:function(t){var e=this.index(t);return e>-1&&this.members.splice(e,1),this},each:function(t){for(var e=0,i=this.members.length;i>e;e++)t.apply(this.members[e],[e,this.members]);return this},clear:function(){return this.members=[],this},has:function(t){return this.index(t)>=0},index:function(t){return this.members.indexOf(t)},get:function(t){return this.members[t]},valueOf:function(){return this.members},bbox:function(){var t=new SVG.BBox;if(0==this.members.length)return t;var e=this.members[0].rbox();return t.x=e.x,t.y=e.y,t.width=e.width,t.height=e.height,this.each(function(){t=t.merge(this.rbox())}),t}},construct:{set:function(){return new SVG.Set}}}),SVG.SetFX=SVG.invent({create:function(t){this.set=t}}),SVG.Set.inherit=function(){var t,e=[];for(var t in SVG.Shape.prototype)"function"==typeof SVG.Shape.prototype[t]&&"function"!=typeof SVG.Set.prototype[t]&&e.push(t);e.forEach(function(t){SVG.Set.prototype[t]=function(){for(var e=0,i=this.members.length;i>e;e++)this.members[e]&&"function"==typeof this.members[e][t]&&this.members[e][t].apply(this.members[e],arguments);return"animate"==t?this.fx||(this.fx=new SVG.SetFX(this)):this}}),e=[];for(var t in SVG.FX.prototype)"function"==typeof SVG.FX.prototype[t]&&"function"!=typeof SVG.SetFX.prototype[t]&&e.push(t);e.forEach(function(t){SVG.SetFX.prototype[t]=function(){for(var e=0,i=this.set.members.length;i>e;e++)this.set.members[e].fx[t].apply(this.set.members[e].fx,arguments);return this}})},SVG.extend(SVG.Element,{data:function(t,e,i){if("object"==typeof t)for(e in t)this.data(e,t[e]);else if(2>arguments.length)try{return JSON.parse(this.attr("data-"+t))}catch(n){return this.attr("data-"+t)}else this.attr("data-"+t,null===e?null:i===!0||"string"==typeof e||"number"==typeof e?e:JSON.stringify(e));return this}}),SVG.extend(SVG.Element,{remember:function(t,e){if("object"==typeof arguments[0])for(var e in t)this.remember(e,t[e]);else{if(1==arguments.length)return this.memory()[t];this.memory()[t]=e}return this},forget:function(){if(0==arguments.length)this._memory={};else for(var t=arguments.length-1;t>=0;t--)delete this.memory()[arguments[t]];return this},memory:function(){return this._memory||(this._memory={})}}),"function"==typeof define&&define.amd?define(function(){return SVG}):"undefined"!=typeof exports&&(exports.SVG=SVG)}).call(this);
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