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Editing: raphael.helper.min.js

var tokenRegex=/\{([^\}]+)\}/g,objNotationRegex=/(?:(?:^|\.)(.+?)(?=\[|\.|$|\()|\[('|")(.+?)\2\])(\(\))?/g,replacer=function(all,key,obj){var res=obj;key.replace(objNotationRegex,function(all,name,quote,quotedName,isFunc){name=name||quotedName;if(res){if(name in res){res=res[name]}
typeof res==='function'&&isFunc&&(res=res())}});res=(res==null||res==obj?all:res)+'';return res},fill=function(str,obj){return String(str).replace(tokenRegex,function(all,key){return replacer(all,key,obj)})};Raphael.fn.popup=function(X,Y,set,pos,ret){pos=String(pos||'top-middle').split('-');pos[1]=pos[1]||'middle';var r=5,bb=set.getBBox(),w=Math.round(bb.width),h=Math.round(bb.height),x=Math.round(bb.x)-r,y=Math.round(bb.y)-r,gap=Math.min(h/2,w/2,10),shapes={top:'M{x},{y}h{w4},{w4},{w4},{w4}a{r},{r},0,0,1,{r},{r}v{h4},{h4},{h4},{h4}a{r},{r},0,0,1,-{r},{r}l-{right},0-{gap},{gap}-{gap}-{gap}-{left},0a{r},{r},0,0,1-{r}-{r}v-{h4}-{h4}-{h4}-{h4}a{r},{r},0,0,1,{r}-{r}z',bottom:'M{x},{y}l{left},0,{gap}-{gap},{gap},{gap},{right},0a{r},{r},0,0,1,{r},{r}v{h4},{h4},{h4},{h4}a{r},{r},0,0,1,-{r},{r}h-{w4}-{w4}-{w4}-{w4}a{r},{r},0,0,1-{r}-{r}v-{h4}-{h4}-{h4}-{h4}a{r},{r},0,0,1,{r}-{r}z',right:'M{x},{y}h{w4},{w4},{w4},{w4}a{r},{r},0,0,1,{r},{r}v{h4},{h4},{h4},{h4}a{r},{r},0,0,1,-{r},{r}h-{w4}-{w4}-{w4}-{w4}a{r},{r},0,0,1-{r}-{r}l0-{bottom}-{gap}-{gap},{gap}-{gap},0-{top}a{r},{r},0,0,1,{r}-{r}z',left:'M{x},{y}h{w4},{w4},{w4},{w4}a{r},{r},0,0,1,{r},{r}l0,{top},{gap},{gap}-{gap},{gap},0,{bottom}a{r},{r},0,0,1,-{r},{r}h-{w4}-{w4}-{w4}-{w4}a{r},{r},0,0,1-{r}-{r}v-{h4}-{h4}-{h4}-{h4}a{r},{r},0,0,1,{r}-{r}z',},offset={hx0:X-(x+r+w-gap*2),hx1:X-(x+r+w/2-gap),hx2:X-(x+r+gap),vhy:Y-(y+r+h+r+gap),'^hy':Y-(y-gap),},mask=[{x:x+r,y:y,w:w,w4:w/4,h4:h/4,right:0,left:w-gap*2,bottom:0,top:h-gap*2,r:r,h:h,gap:gap,},{x:x+r,y:y,w:w,w4:w/4,h4:h/4,left:w/2-gap,right:w/2-gap,top:h/2-gap,bottom:h/2-gap,r:r,h:h,gap:gap,},{x:x+r,y:y,w:w,w4:w/4,h4:h/4,left:0,right:w-gap*2,top:0,bottom:h-gap*2,r:r,h:h,gap:gap,}][pos[1]=='middle'?1:(pos[1]=='top'||pos[1]=='left')*2];var dx=0,dy=0,out=this.path(fill(shapes[pos[0]],mask)).insertBefore(set);switch(pos[0]){case 'top':dx=X-(x+r+mask.left+gap);dy=Y-(y+r+h+r+gap);break;case 'bottom':dx=X-(x+r+mask.left+gap);dy=Y-(y-gap);break;case 'left':dx=X-(x+r+w+r+gap);dy=Y-(y+r+mask.top+gap);break;case 'right':dx=X-(x-gap);dy=Y-(y+r+mask.top+gap);break}
out.translate(dx,dy);if(ret){ret=out.attr('path');out.remove();return{path:ret,dx:dx,dy:dy,}}
set.translate(dx,dy);return out};function getAnchors(p1x,p1y,p2x,p2y,p3x,p3y){var l1=(p2x-p1x)/2,l2=(p3x-p2x)/2,a=Math.atan((p2x-p1x)/Math.abs(p2y-p1y)),b=Math.atan((p3x-p2x)/Math.abs(p2y-p3y));a=p1y<p2y?Math.PI-a:a;b=p3y<p2y?Math.PI-b:b;var alpha=Math.PI/2-((a+b)%(Math.PI*2))/2,dx1=l1*Math.sin(alpha+a),dy1=l1*Math.cos(alpha+a),dx2=l2*Math.sin(alpha+b),dy2=l2*Math.cos(alpha+b);return{x1:p2x-dx1,y1:p2y+dy1,x2:p2x+dx2,y2:p2y+dy2,}}