p&&a.setLineJoin("flat");2<b.length&&(a.setMiterLimit(4),k&&!g&&(a.begin(),this.paintMarker(a,b[0].x,b[0].y,r,t,n,d,f,m,!0),a.stroke(),a.end()),l&&!g&&(a.begin(),this.paintMarker(a,q.x,q.y,-x,-C,c,e,f,m,!0),a.stroke(),a.end()))}};mxArrowConnector.prototype.paintMarker=function(a,b,c,d,e,f,g,k,l,m){g=k/g;var n=k*e/2;k=-k*d/2;var p=(l+f)*d;f=(l+f)*e;m?a.moveTo(b-n+p,c-k+f):a.lineTo(b-n+p,c-k+f);a.lineTo(b-n/g+p,c-k/g+f);a.lineTo(b+l*d,c+l*e);a.lineTo(b+n/g+p,c+k/g+f);a.lineTo(b+n+p,c+k+f)};