crazy-toads.github.io/public/js/cytoscape/cytoscape.min.js

/**
 * Copyright (c) 2016-2019, The Cytoscape Consortium.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the “Software”), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

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cn=Me({expandFactor:2,inflateFactor:2,multFactor:1,maxIterations:20,attributes:[function(e){return 1}]}),hn=function(e,t){for(var n=0,r=0;r<t.length;r++)n+=t[r](e);return n},dn=function(e,t){for(var n,r=0;r<t;r++){n=0;for(var i=0;i<t;i++)n+=e[i*t+r];for(var a=0;a<t;a++)e[a*t+r]=e[a*t+r]/n}},pn=function(e,t,n){for(var r=new Array(n*n),i=0;i<n;i++){for(var a=0;a<n;a++)r[i*n+a]=0;for(var o=0;o<n;o++)for(var s=0;s<n;s++)r[i*n+s]+=e[i*n+o]*t[o*n+s]}return r},fn=function(e,t,n){for(var r=e.slice(0),i=1;i<n;i++)e=pn(e,r,t);return e},gn=function(e,t,n){for(var r=new Array(t*t),i=0;i<t*t;i++)r[i]=Math.pow(e[i],n);return dn(r,t),r},vn=function(e,t,n,r){for(var i=0;i<n;i++){if(Math.round(e[i]*Math.pow(10,r))/Math.pow(10,r)!==Math.round(t[i]*Math.pow(10,r))/Math.pow(10,r))return!1}return!0},yn=function(e,t){for(var n=0;n<e.length;n++)if(!t[n]||e[n].id()!==t[n].id())return!1;return!0},mn=function(e){for(var t=this.nodes(),n=this.edges(),r=this.cy(),i=function(e){return cn(e)}(e),a={},o=0;o<t.length;o++)a[t[o].id()]=o;for(var s,l=t.length,u=l*l,c=new Array(u),h=0;h<u;h++)c[h]=0;for(var d=0;d<n.length;d++){var p=n[d],f=a[p.source().id()],g=a[p.target().id()],v=hn(p,i.attributes);c[f*l+g]+=v,c[g*l+f]+=v}!function(e,t,n){for(var r=0;r<t;r++)e[r*t+r]=n}(c,l,i.multFactor),dn(c,l);for(var y=!0,m=0;y&&m<i.maxIterations;)y=!1,s=fn(c,l,i.expandFactor),c=gn(s,l,i.inflateFactor),vn(c,s,u,4)||(y=!0),m++;var b=function(e,t,n,r){for(var i=[],a=0;a<t;a++){for(var o=[],s=0;s<t;s++)Math.round(1e3*e[a*t+s])/1e3>0&&o.push(n[s]);0!==o.length&&i.push(r.collection(o))}return i}(c,l,t,r);return b=function(e){for(var t=0;t<e.length;t++)for(var n=0;n<e.length;n++)t!=n&&yn(e[t],e[n])&&e.splice(n,1);return e}(b)},bn={markovClustering:mn,mcl:mn},xn=function(e){return e},wn=function(e,t){return Math.abs(t-e)},En=function(e,t,n){return e+wn(t,n)},kn=function(e,t,n){return e+Math.pow(n-t,2)},Cn=function(e){return Math.sqrt(e)},Sn=function(e,t,n){return 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l=0;l<e.length;l++)r[s][l]=Math.pow(n[s][l],i.m);for(var u=0;u<e.length;u++)for(var c=0;c<i.attributes.length;c++){a=0,o=0;for(var h=0;h<t.length;h++)a+=r[h][u]*i.attributes[c](t[h]),o+=r[h][u];e[u][c]=a/o}},Vn=function(e,t,n,r,i){for(var a=0;a<e.length;a++)t[a]=e[a].slice();for(var o,s,l,u=2/(i.m-1),c=0;c<n.length;c++)for(var h=0;h<r.length;h++){o=0;for(var d=0;d<n.length;d++)s=_n(i.distance,r[h],n[c],i.attributes,"cmeans"),l=_n(i.distance,r[h],n[d],i.attributes,"cmeans"),o+=Math.pow(s/l,u);e[h][c]=1/o}},qn=function(e){var t,n,r,i,a=this.cy(),o=this.nodes(),s=Bn(e);r=new Array(o.length);for(var l=0;l<o.length;l++)r[l]=new Array(s.k);n=new Array(o.length);for(var u=0;u<o.length;u++)n[u]=new Array(s.k);for(var c=0;c<o.length;c++){for(var h=0,d=0;d<s.k;d++)n[c][d]=Math.random(),h+=n[c][d];for(var p=0;p<s.k;p++)n[c][p]=n[c][p]/h}t=new Array(s.k);for(var f=0;f<s.k;f++)t[f]=new Array(s.attributes.length);i=new Array(o.length);for(var g=0;g<o.length;g++)i[g]=new Array(s.k);for(var 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a,o=0,s=1/0,l=i.attributes,u=function(e,t){return Tn(i.distance,l.length,function(t){return l[t](e)},function(e){return l[e](t)},e,t)},c=0;c<e.length;c++){var h=e[c].key,d=n[h][r[h]];d<s&&(o=h,s=d)}if("threshold"===i.mode&&s>=i.threshold||"dendrogram"===i.mode&&1===e.length)return!1;var p,f=t[o],g=t[r[o]];p="dendrogram"===i.mode?{left:f,right:g,key:f.key}:{value:f.value.concat(g.value),key:f.key},e[f.index]=p,e.splice(g.index,1),t[f.key]=p;for(var v=0;v<e.length;v++){var y=e[v];f.key===y.key?a=1/0:"min"===i.linkage?(a=n[f.key][y.key],n[f.key][y.key]>n[g.key][y.key]&&(a=n[g.key][y.key])):"max"===i.linkage?(a=n[f.key][y.key],n[f.key][y.key]<n[g.key][y.key]&&(a=n[g.key][y.key])):a="mean"===i.linkage?(n[f.key][y.key]*f.size+n[g.key][y.key]*g.size)/(f.size+g.size):"dendrogram"===i.mode?u(y.value,f.value):u(y.value[0],f.value[0]),n[f.key][y.key]=n[y.key][f.key]=a}for(var m=0;m<e.length;m++){var b=e[m].key;if(r[b]===f.key||r[b]===g.key){for(var x=b,w=0;w<e.length;w++){var 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h=(y=i[l]).layoutDimensions(n);(I={}).isLocked=y.locked(),I.id=y.data("id"),I.parentId=y.data("parent"),I.cmptId=s[y.id()],I.children=[],I.positionX=y.position("x"),I.positionY=y.position("y"),I.offsetX=0,I.offsetY=0,I.height=h.w,I.width=h.h,I.maxX=I.positionX+I.width/2,I.minX=I.positionX-I.width/2,I.maxY=I.positionY+I.height/2,I.minY=I.positionY-I.height/2,I.padLeft=parseFloat(y.style("padding")),I.padRight=parseFloat(y.style("padding")),I.padTop=parseFloat(y.style("padding")),I.padBottom=parseFloat(y.style("padding")),I.nodeRepulsion=p(n.nodeRepulsion)?n.nodeRepulsion(y):n.nodeRepulsion,a.layoutNodes.push(I),a.idToIndex[I.id]=l}var d=[],f=0,g=-1,v=[];for(l=0;l<a.nodeSize;l++){var y,m=(y=a.layoutNodes[l]).parentId;null!=m?a.layoutNodes[a.idToIndex[m]].children.push(y.id):(d[++g]=y.id,v.push(y.id))}for(a.graphSet.push(v);f<=g;){var 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a=i.graphSet[r];if(-1<a.indexOf(t)&&-1<a.indexOf(n))return{count:2,graph:r};for(var o=0,s=0;s<a.length;s++){var l=a[s],u=i.idToIndex[l],c=i.layoutNodes[u].children;if(0!==c.length){var h=e(t,n,i.indexToGraph[i.idToIndex[c[0]]],i);if(0!==h.count){if(1!==h.count)return h;if(2===++o)break}}}return{count:o,graph:r}},ko=function(e,t){for(var n=e.clientWidth,r=e.clientHeight,i=0;i<e.nodeSize;i++){var a=e.layoutNodes[i];0!==a.children.length||a.isLocked||(a.positionX=Math.random()*n,a.positionY=Math.random()*r)}},Co=function(e,t,n){var r=e.boundingBox,i={x1:1/0,x2:-1/0,y1:1/0,y2:-1/0};return t.boundingBox&&(n.forEach(function(t){var n=e.layoutNodes[e.idToIndex[t.data("id")]];i.x1=Math.min(i.x1,n.positionX),i.x2=Math.max(i.x2,n.positionX),i.y1=Math.min(i.y1,n.positionY),i.y2=Math.max(i.y2,n.positionY)}),i.w=i.x2-i.x1,i.h=i.y2-i.y1),function(n,a){var o=e.layoutNodes[e.idToIndex[n.data("id")]];if(t.boundingBox){var 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k=Math.cos(y),C=Math.sin(y),S=function(e,t){return{x:(e-=p)*k-(t-=g)*C+p,y:e*C+t*k+g}},D=S(m,w),P=S(m,E),T=S(x,w),M=S(x,E),B=[D.x,D.y,T.x,T.y,M.x,M.y,P.x,P.y];if(Rt(e,t,B))return v(n),!0}else{if(Tt({w:h,h:d,x1:m,x2:x,y1:w,y2:E},e,t))return v(n),!0}}}n&&(l=l.interactive);for(var w=l.length-1;w>=0;w--){var E=l[w];E.isNode()?y(E)||x(E):m(E)||x(E)||x(E,"source")||x(E,"target")}return u},getAllInBox:function(e,t,n,r){for(var i=this.getCachedZSortedEles().interactive,a=[],o=Math.min(e,n),s=Math.max(e,n),l=Math.min(t,r),u=Math.max(t,r),c=bt({x1:e=o,y1:t=l,x2:n=s,y2:r=u}),h=0;h<i.length;h++){var d=i[h];if(d.isNode()){var p=d,f=p.boundingBox({includeNodes:!0,includeEdges:!1,includeLabels:!1});Pt(c,f)&&!Bt(f,c)&&a.push(p)}else{var 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f=s.allpts;t=r-gt(f[0],f[2],f[4],.1),n=i-gt(f[1],f[3],f[5],.1)}else t=r-g,n=i-v;s.srcArrowAngle=ut(t,n);var g=s.midX,v=s.midY;if(l&&(g=(r+a)/2,v=(i+o)/2),t=a-r,n=o-i,h)if((f=s.allpts).length/2%2==0){var y=(m=f.length/2)-2;t=f[m]-f[y],n=f[m+1]-f[y+1]}else{y=(m=f.length/2-1)-2;var m,b=m+2;t=f[m]-f[y],n=f[m+1]-f[y+1]}else if(c||d||p){var x,w,E,k,f=s.allpts;if(s.ctrlpts.length/2%2==0){var C=(S=(D=f.length/2-1)+2)+2;x=gt(f[D],f[S],f[C],0),w=gt(f[D+1],f[S+1],f[C+1],0),E=gt(f[D],f[S],f[C],1e-4),k=gt(f[D+1],f[S+1],f[C+1],1e-4)}else{var S,D;C=(S=f.length/2-1)+2;x=gt(f[D=S-2],f[S],f[C],.4999),w=gt(f[D+1],f[S+1],f[C+1],.4999),E=gt(f[D],f[S],f[C],.5),k=gt(f[D+1],f[S+1],f[C+1],.5)}t=E-x,n=k-w}(s.midtgtArrowAngle=ut(t,n),s.midDispX=t,s.midDispY=n,t*=-1,n*=-1,h)&&((f=s.allpts).length/2%2==0||(t=-(f[b=(m=f.length/2-1)+2]-f[m]),n=-(f[b+1]-f[m+1])));if(s.midsrcArrowAngle=ut(t,n),h)t=a-s.segpts[s.segpts.length-2],n=o-s.segpts[s.segpts.length-1];else if(c||d||p||u){var P=(f=s.allpts).length;t=a-gt(f[P-6],f[P-4],f[P-2],.9),n=o-gt(f[P-5],f[P-3],f[P-1],.9)}else t=a-g,n=o-v;s.tgtArrowAngle=ut(t,n)}};Fo.getArrowWidth=Fo.getArrowHeight=function(e,t){var n=this.arrowWidthCache=this.arrowWidthCache||{},r=n[e+", "+t];return r||(r=Math.max(Math.pow(13.37*e,.9),29)*t,n[e+", "+t]=r,r)};var Vo={};function qo(e){var t=[];if(null!=e){for(var n=0;n<e.length;n+=2){var r=e[n],i=e[n+1];t.push({x:r,y:i})}return t}}Vo.findHaystackPoints=function(e){for(var t=0;t<e.length;t++){var n=e[t],r=n._private,i=r.rscratch;if(!i.haystack){var a=2*Math.random()*Math.PI;i.source={x:Math.cos(a),y:Math.sin(a)},a=2*Math.random()*Math.PI,i.target={x:Math.cos(a),y:Math.sin(a)}}var o=r.source,s=r.target,l=o.position(),u=s.position(),c=o.width(),h=s.width(),d=o.height(),p=s.height(),f=n.pstyle("haystack-radius").value/2;i.haystackPts=i.allpts=[i.source.x*c*f+l.x,i.source.y*d*f+l.y,i.target.x*h*f+u.x,i.target.y*p*f+u.y],i.midX=(i.allpts[0]+i.allpts[2])/2,i.midY=(i.allpts[1]+i.allpts[3])/2,i.edgeType="haystack",i.haystack=!0,this.storeEdgeProjections(n),this.calculateArrowAngles(n),this.recalculateEdgeLabelProjections(n),this.calculateLabelAngles(n)}},Vo.findSegmentsPoints=function(e,t){var n=e._private.rscratch,r=t.posPts,i=t.intersectionPts,a=t.vectorNormInverse,o=e.pstyle("edge-distances").value,s=e.pstyle("segment-weights"),l=e.pstyle("segment-distances"),u=Math.min(s.pfValue.length,l.pfValue.length);n.edgeType="segments",n.segpts=[];for(var c=0;c<u;c++){var h=s.pfValue[c],d=l.pfValue[c],p=1-h,f=h,g="node-position"===o?r:i,v={x:g.x1*p+g.x2*f,y:g.y1*p+g.y2*f};n.segpts.push(v.x+a.x*d,v.y+a.y*d)}},Vo.findLoopPoints=function(e,t,n,r){var i=e._private.rscratch,a=t.dirCounts,o=t.srcPos,s=e.pstyle("control-point-distances"),l=s?s.pfValue[0]:void 0,u=e.pstyle("loop-direction").pfValue,c=e.pstyle("loop-sweep").pfValue,h=e.pstyle("control-point-step-size").pfValue;i.edgeType="self";var d=n,p=h;r&&(d=0,p=l);var f=u-Math.PI/2,g=f-c/2,v=f+c/2,y=String(u+"_"+c);d=void 0===a[y]?a[y]=0:++a[y],i.ctrlpts=[o.x+1.4*Math.cos(g)*p*(d/3+1),o.y+1.4*Math.sin(g)*p*(d/3+1),o.x+1.4*Math.cos(v)*p*(d/3+1),o.y+1.4*Math.sin(v)*p*(d/3+1)]},Vo.findCompoundLoopPoints=function(e,t,n,r){var i=e._private.rscratch;i.edgeType="compound";var a=t.srcPos,o=t.tgtPos,s=t.srcW,l=t.srcH,u=t.tgtW,c=t.tgtH,h=e.pstyle("control-point-step-size").pfValue,d=e.pstyle("control-point-distances"),p=d?d.pfValue[0]:void 0,f=n,g=h;r&&(f=0,g=p);var v={x:a.x-s/2,y:a.y-l/2},y={x:o.x-u/2,y:o.y-c/2},m={x:Math.min(v.x,y.x),y:Math.min(v.y,y.y)},b=Math.max(.5,Math.log(.01*s)),x=Math.max(.5,Math.log(.01*u));i.ctrlpts=[m.x,m.y-(1+Math.pow(50,1.12)/100)*g*(f/3+1)*b,m.x-(1+Math.pow(50,1.12)/100)*g*(f/3+1)*x,m.y]},Vo.findStraightEdgePoints=function(e){e._private.rscratch.edgeType="straight"},Vo.findBezierPoints=function(e,t,n,r,i){var a=e._private.rscratch,o=t.vectorNormInverse,s=t.posPts,l=t.intersectionPts,u=e.pstyle("edge-distances").value,c=e.pstyle("control-point-step-size").pfValue,h=e.pstyle("control-point-distances"),d=e.pstyle("control-point-weights"),p=h&&d?Math.min(h.value.length,d.value.length):1,f=h?h.pfValue[0]:void 0,g=d.value[0],v=r;a.edgeType=v?"multibezier":"bezier",a.ctrlpts=[];for(var y=0;y<p;y++){var m=(.5-t.eles.length/2+n)*c*(i?-1:1),b=void 0,x=ht(m);v&&(f=h?h.pfValue[y]:c,g=d.value[y]);var w=void 0!==(b=r?f:void 0!==f?x*f:void 0)?b:m,E=1-g,k=g,C="node-position"===u?s:l,S={x:C.x1*E+C.x2*k,y:C.y1*E+C.y2*k};a.ctrlpts.push(S.x+o.x*w,S.y+o.y*w)}},Vo.findTaxiPoints=function(e,t){var n=e._private.rscratch;n.edgeType="segments";var r=t.posPts,i=t.srcW,a=t.srcH,o=t.tgtW,s=t.tgtH,l="node-position"!==e.pstyle("edge-distances").value,u=e.pstyle("taxi-direction").value,c=u,h=e.pstyle("taxi-turn"),d=h.pfValue,p=e.pstyle("taxi-turn-min-distance").pfValue,f="%"===h.units,g=l?(i+o)/2:0,v=l?(a+s)/2:0,y=r.x2-r.x1,m=r.y2-r.y1,b=function(e,t){return e>0?Math.max(e-t,0):Math.min(e+t,0)},x=b(y,g),w=b(m,v),E=!1;"auto"===u?u=Math.abs(x)>Math.abs(w)?"horizontal":"vertical":"upward"===u||"downward"===u?(u="vertical",E=!0):"leftward"!==u&&"rightward"!==u||(u="horizontal",E=!0);var k="vertical"===u,C=k?w:x,S=k?m:y,D=ht(S),P=!1;E&&f||!("downward"===c&&S<0||"upward"===c&&S>0||"leftward"===c&&S>0||"rightward"===c&&S<0)||(C=(D*=-1)*Math.abs(C),P=!0);var T=f?d*C:d*D,M=function(e){return Math.abs(e)<p||Math.abs(e)>=Math.abs(C)},B=M(T),_=M(C-T);if((B||_)&&!P)if(k){var N=Math.abs(S)<=a/2,I=Math.abs(y)<=o/2;if(N){var z=(r.x1+r.x2)/2,L=r.y1,A=r.y2;n.segpts=[z,L,z,A]}else if(I){var O=(r.y1+r.y2)/2,R=r.x1,F=r.x2;n.segpts=[R,O,F,O]}else n.segpts=[r.x1,r.y2]}else{var V=Math.abs(S)<=i/2,q=Math.abs(m)<=s/2;if(V){var j=(r.y1+r.y2)/2,Y=r.x1,X=r.x2;n.segpts=[Y,j,X,j]}else if(q){var W=(r.x1+r.x2)/2,H=r.y1,K=r.y2;n.segpts=[W,H,W,K]}else n.segpts=[r.x2,r.y1]}else if(k){var G=r.y1+T+(l?a/2*D:0),Z=r.x1,U=r.x2;n.segpts=[Z,G,U,G]}else{var $=r.x1+T+(l?i/2*D:0),Q=r.y1,J=r.y2;n.segpts=[$,Q,$,J]}},Vo.tryToCorrectInvalidPoints=function(e,t){var n=e._private.rscratch;if("bezier"===n.edgeType){var r=t.srcPos,i=t.tgtPos,a=t.srcW,o=t.srcH,s=t.tgtW,l=t.tgtH,u=t.srcShape,c=t.tgtShape,h=!v(n.startX)||!v(n.startY),d=!v(n.arrowStartX)||!v(n.arrowStartY),p=!v(n.endX)||!v(n.endY),f=!v(n.arrowEndX)||!v(n.arrowEndY),g=3*(this.getArrowWidth(e.pstyle("width").pfValue,e.pstyle("arrow-scale").value)*this.arrowShapeWidth),y=dt({x:n.ctrlpts[0],y:n.ctrlpts[1]},{x:n.startX,y:n.startY}),m=y<g,b=dt({x:n.ctrlpts[0],y:n.ctrlpts[1]},{x:n.endX,y:n.endY}),x=b<g,w=!1;if(h||d||m){w=!0;var E={x:n.ctrlpts[0]-r.x,y:n.ctrlpts[1]-r.y},k=Math.sqrt(E.x*E.x+E.y*E.y),C={x:E.x/k,y:E.y/k},S=Math.max(a,o),D={x:n.ctrlpts[0]+2*C.x*S,y:n.ctrlpts[1]+2*C.y*S},P=u.intersectLine(r.x,r.y,a,o,D.x,D.y,0);m?(n.ctrlpts[0]=n.ctrlpts[0]+C.x*(g-y),n.ctrlpts[1]=n.ctrlpts[1]+C.y*(g-y)):(n.ctrlpts[0]=P[0]+C.x*g,n.ctrlpts[1]=P[1]+C.y*g)}if(p||f||x){w=!0;var T={x:n.ctrlpts[0]-i.x,y:n.ctrlpts[1]-i.y},M=Math.sqrt(T.x*T.x+T.y*T.y),B={x:T.x/M,y:T.y/M},_=Math.max(a,o),N={x:n.ctrlpts[0]+2*B.x*_,y:n.ctrlpts[1]+2*B.y*_},I=c.intersectLine(i.x,i.y,s,l,N.x,N.y,0);x?(n.ctrlpts[0]=n.ctrlpts[0]+B.x*(g-b),n.ctrlpts[1]=n.ctrlpts[1]+B.y*(g-b)):(n.ctrlpts[0]=I[0]+B.x*g,n.ctrlpts[1]=I[1]+B.y*g)}w&&this.findEndpoints(e)}},Vo.storeAllpts=function(e){var t=e._private.rscratch;if("multibezier"===t.edgeType||"bezier"===t.edgeType||"self"===t.edgeType||"compound"===t.edgeType){t.allpts=[],t.allpts.push(t.startX,t.startY);for(var n=0;n+1<t.ctrlpts.length;n+=2)t.allpts.push(t.ctrlpts[n],t.ctrlpts[n+1]),n+3<t.ctrlpts.length&&t.allpts.push((t.ctrlpts[n]+t.ctrlpts[n+2])/2,(t.ctrlpts[n+1]+t.ctrlpts[n+3])/2);var r;t.allpts.push(t.endX,t.endY),t.ctrlpts.length/2%2==0?(r=t.allpts.length/2-1,t.midX=t.allpts[r],t.midY=t.allpts[r+1]):(r=t.allpts.length/2-3,.5,t.midX=gt(t.allpts[r],t.allpts[r+2],t.allpts[r+4],.5),t.midY=gt(t.allpts[r+1],t.allpts[r+3],t.allpts[r+5],.5))}else if("straight"===t.edgeType)t.allpts=[t.startX,t.startY,t.endX,t.endY],t.midX=(t.startX+t.endX+t.arrowStartX+t.arrowEndX)/4,t.midY=(t.startY+t.endY+t.arrowStartY+t.arrowEndY)/4;else if("segments"===t.edgeType)if(t.allpts=[],t.allpts.push(t.startX,t.startY),t.allpts.push.apply(t.allpts,t.segpts),t.allpts.push(t.endX,t.endY),t.segpts.length%4==0){var i=t.segpts.length/2,a=i-2;t.midX=(t.segpts[a]+t.segpts[i])/2,t.midY=(t.segpts[a+1]+t.segpts[i+1])/2}else{var o=t.segpts.length/2-1;t.midX=t.segpts[o],t.midY=t.segpts[o+1]}},Vo.checkForInvalidEdgeWarning=function(e){var t=e[0]._private.rscratch;t.nodesOverlap||v(t.startX)&&v(t.startY)&&v(t.endX)&&v(t.endY)?t.loggedErr=!1:t.loggedErr||(t.loggedErr=!0,Ce("Edge `"+e.id()+"` has invalid endpoints and so it is impossible to draw.  Adjust your edge style (e.g. control points) accordingly or use an alternative edge type.  This is expected behaviour when the source node and the target node overlap."))},Vo.findEdgeControlPoints=function(e){var t=this;if(e&&0!==e.length){for(var n=this,r=n.cy.hasCompoundNodes(),i=new ze,a=[],o=[],s=0;s<e.length;s++){var l=e[s],u=l._private,c=l.pstyle("curve-style").value;if(!l.removed()&&l.takesUpSpace())if("haystack"!==c){var h="unbundled-bezier"===c||"segments"===c||"straight"===c||"taxi"===c,d="unbundled-bezier"===c||"bezier"===c,p=u.source.poolIndex(),f=u.target.poolIndex(),g=(h?-1:1)*ce([p,f].sort()),y=i.get(g);null==y&&(y={eles:[]},i.set(g,y),a.push(g)),y.eles.push(l),h&&(y.hasUnbundled=!0),d&&(y.hasBezier=!0)}else o.push(l)}for(var m=function(e){var o=a[e],s=i.get(o),l=void 0;if(!s.hasUnbundled){var u=s.eles[0].parallelEdges().filter(function(e){return e.isBundledBezier()});_e(s.eles),u.forEach(function(e){return s.eles.push(e)}),s.eles.sort(function(e,t){return e.poolIndex()-t.poolIndex()})}var c=s.eles[0],h=c.source(),d=c.target();if(h.poolIndex()>d.poolIndex()){var p=h;h=d,d=p}var f=s.srcPos=h.position(),g=s.tgtPos=d.position(),y=s.srcW=h.outerWidth(),m=s.srcH=h.outerHeight(),b=s.tgtW=d.outerWidth(),x=s.tgtH=d.outerHeight(),w=s.srcShape=n.nodeShapes[t.getNodeShape(h)],E=s.tgtShape=n.nodeShapes[t.getNodeShape(d)];s.dirCounts={north:0,west:0,south:0,east:0,northwest:0,southwest:0,northeast:0,southeast:0};for(var k=0;k<s.eles.length;k++){var C=s.eles[k],S=C[0]._private.rscratch,D=C.pstyle("curve-style").value,P="unbundled-bezier"===D||"segments"===D||"taxi"===D,T=!h.same(C.source());if(!s.calculatedIntersection&&h!==d&&(s.hasBezier||s.hasUnbundled)){s.calculatedIntersection=!0;var M=w.intersectLine(f.x,f.y,y,m,g.x,g.y,0),B=s.srcIntn=M,_=E.intersectLine(g.x,g.y,b,x,f.x,f.y,0),N=s.tgtIntn=_,I=s.intersectionPts={x1:M[0],x2:_[0],y1:M[1],y2:_[1]},z=s.posPts={x1:f.x,x2:g.x,y1:f.y,y2:g.y},L=_[1]-M[1],A=_[0]-M[0],O=Math.sqrt(A*A+L*L),R=s.vector={x:A,y:L},F=s.vectorNorm={x:R.x/O,y:R.y/O},V={x:-F.y,y:F.x};s.nodesOverlap=!v(O)||E.checkPoint(M[0],M[1],0,b,x,g.x,g.y)||w.checkPoint(_[0],_[1],0,y,m,f.x,f.y),s.vectorNormInverse=V,l={nodesOverlap:s.nodesOverlap,dirCounts:s.dirCounts,calculatedIntersection:!0,hasBezier:s.hasBezier,hasUnbundled:s.hasUnbundled,eles:s.eles,srcPos:g,tgtPos:f,srcW:b,srcH:x,tgtW:y,tgtH:m,srcIntn:N,tgtIntn:B,srcShape:E,tgtShape:w,posPts:{x1:z.x2,y1:z.y2,x2:z.x1,y2:z.y1},intersectionPts:{x1:I.x2,y1:I.y2,x2:I.x1,y2:I.y1},vector:{x:-R.x,y:-R.y},vectorNorm:{x:-F.x,y:-F.y},vectorNormInverse:{x:-V.x,y:-V.y}}}var q=T?l:s;S.nodesOverlap=q.nodesOverlap,S.srcIntn=q.srcIntn,S.tgtIntn=q.tgtIntn,r&&(h.isParent()||h.isChild()||d.isParent()||d.isChild())&&(h.parents().anySame(d)||d.parents().anySame(h)||h.same(d))?t.findCompoundLoopPoints(C,q,k,P):h===d?t.findLoopPoints(C,q,k,P):"segments"===D?t.findSegmentsPoints(C,q):"taxi"===D?t.findTaxiPoints(C,q):"straight"===D||!P&&s.eles.length%2==1&&k===Math.floor(s.eles.length/2)?t.findStraightEdgePoints(C):t.findBezierPoints(C,q,k,P,T),t.findEndpoints(C),t.tryToCorrectInvalidPoints(C,q),t.checkForInvalidEdgeWarning(C),t.storeAllpts(C),t.storeEdgeProjections(C),t.calculateArrowAngles(C),t.recalculateEdgeLabelProjections(C),t.calculateLabelAngles(C)}},b=0;b<a.length;b++)m(b);this.findHaystackPoints(o)}},Vo.getSegmentPoints=function(e){var t=e[0]._private.rscratch;if("segments"===t.edgeType)return this.recalculateRenderedStyle(e),qo(t.segpts)},Vo.getControlPoints=function(e){var t=e[0]._private.rscratch,n=t.edgeType;if("bezier"===n||"multibezier"===n||"self"===n||"compound"===n)return this.recalculateRenderedStyle(e),qo(t.ctrlpts)},Vo.getEdgeMidpoint=function(e){var t=e[0]._private.rscratch;return this.recalculateRenderedStyle(e),{x:t.midX,y:t.midY}};var jo={manualEndptToPx:function(e,t){var n=e.position(),r=e.outerWidth(),i=e.outerHeight();if(2===t.value.length){var a=[t.pfValue[0],t.pfValue[1]];return"%"===t.units[0]&&(a[0]=a[0]*r),"%"===t.units[1]&&(a[1]=a[1]*i),a[0]+=n.x,a[1]+=n.y,a}var o=t.pfValue[0];o=-Math.PI/2+o;var s=2*Math.max(r,i),l=[n.x+Math.cos(o)*s,n.y+Math.sin(o)*s];return this.nodeShapes[this.getNodeShape(e)].intersectLine(n.x,n.y,r,i,l[0],l[1],0)},findEndpoints:function(e){var t,n,r,i,a,o=this,s=e.source()[0],l=e.target()[0],u=s.position(),c=l.position(),h=e.pstyle("target-arrow-shape").value,d=e.pstyle("source-arrow-shape").value,p=e.pstyle("target-distance-from-node").pfValue,f=e.pstyle("source-distance-from-node").pfValue,g=e.pstyle("curve-style").value,y=e._private.rscratch,m=y.edgeType,b="self"===m||"compound"===m,x="bezier"===m||"multibezier"===m||b,w="bezier"!==m,E="straight"===m||"segments"===m,k="segments"===m,C=x||w||E,S=b||"taxi"===g,D=e.pstyle("source-endpoint"),P=S?"outside-to-node":D.value,T=e.pstyle("target-endpoint"),M=S?"outside-to-node":T.value;if(y.srcManEndpt=D,y.tgtManEndpt=T,x){var B=[y.ctrlpts[0],y.ctrlpts[1]];n=w?[y.ctrlpts[y.ctrlpts.length-2],y.ctrlpts[y.ctrlpts.length-1]]:B,r=B}else if(E){var _=k?y.segpts.slice(0,2):[c.x,c.y];n=k?y.segpts.slice(y.segpts.length-2):[u.x,u.y],r=_}if("inside-to-node"===M)t=[c.x,c.y];else if(T.units)t=this.manualEndptToPx(l,T);else if("outside-to-line"===M)t=y.tgtIntn;else if("outside-to-node"===M||"outside-to-node-or-label"===M?i=n:"outside-to-line"!==M&&"outside-to-line-or-label"!==M||(i=[u.x,u.y]),t=o.nodeShapes[this.getNodeShape(l)].intersectLine(c.x,c.y,l.outerWidth(),l.outerHeight(),i[0],i[1],0),"outside-to-node-or-label"===M||"outside-to-line-or-label"===M){var N=l._private.rscratch,I=N.labelWidth,z=N.labelHeight,L=N.labelX,A=N.labelY,O=l.pstyle("text-valign").value;"top"===O?A-=z/2:"bottom"===O&&(A+=z/2);var R=l.pstyle("text-halign").value;"left"===R?L-=I/2:"right"===R&&(L+=I/2);var F=o.nodeShapes.rectangle.intersectLine(L,A,I,z,i[0],i[1],0),V=u,q=pt(V,rt(t));pt(V,rt(F))<q&&(t=F)}var j=Gt(t,n,o.arrowShapes[h].spacing(e)+p),Y=Gt(t,n,o.arrowShapes[h].gap(e)+p);if(y.endX=Y[0],y.endY=Y[1],y.arrowEndX=j[0],y.arrowEndY=j[1],"inside-to-node"===P)t=[u.x,u.y];else if(D.units)t=this.manualEndptToPx(s,D);else if("outside-to-line"===P)t=y.srcIntn;else if("outside-to-node"===P||"outside-to-node-or-label"===P?a=r:"outside-to-line"!==P&&"outside-to-line-or-label"!==P||(a=[c.x,c.y]),t=o.nodeShapes[this.getNodeShape(s)].intersectLine(u.x,u.y,s.outerWidth(),s.outerHeight(),a[0],a[1],0),"outside-to-node-or-label"===P||"outside-to-line-or-label"===P){var X=s._private.rscratch,W=X.labelWidth,H=X.labelHeight,K=X.labelX,G=X.labelY,Z=s.pstyle("text-valign").value;"top"===Z?G-=H/2:"bottom"===Z&&(G+=H/2);var U=s.pstyle("text-halign").value;"left"===U?K-=W/2:"right"===U&&(K+=W/2);var $=o.nodeShapes.rectangle.intersectLine(K,G,W,H,a[0],a[1],0),Q=c,J=pt(Q,rt(t));pt(Q,rt($))<J&&(t=$)}var ee=Gt(t,r,o.arrowShapes[d].spacing(e)+f),te=Gt(t,r,o.arrowShapes[d].gap(e)+f);y.startX=te[0],y.startY=te[1],y.arrowStartX=ee[0],y.arrowStartY=ee[1],C&&(v(y.startX)&&v(y.startY)&&v(y.endX)&&v(y.endY)?y.badLine=!1:y.badLine=!0)},getSourceEndpoint:function(e){var t=e[0]._private.rscratch;switch(this.recalculateRenderedStyle(e),t.edgeType){case"haystack":return{x:t.haystackPts[0],y:t.haystackPts[1]};default:return{x:t.arrowStartX,y:t.arrowStartY}}},getTargetEndpoint:function(e){var t=e[0]._private.rscratch;switch(this.recalculateRenderedStyle(e),t.edgeType){case"haystack":return{x:t.haystackPts[2],y:t.haystackPts[3]};default:return{x:t.arrowEndX,y:t.arrowEndY}}}},Yo={};function Xo(e,t,n){for(var r=function(e,t,n,r){return gt(e,t,n,r)},i=t._private.rstyle.bezierPts,a=0;a<e.bezierProjPcts.length;a++){var o=e.bezierProjPcts[a];i.push({x:r(n[0],n[2],n[4],o),y:r(n[1],n[3],n[5],o)})}}Yo.storeEdgeProjections=function(e){var t=e._private,n=t.rscratch,r=n.edgeType;if(t.rstyle.bezierPts=null,t.rstyle.linePts=null,t.rstyle.haystackPts=null,"multibezier"===r||"bezier"===r||"self"===r||"compound"===r){t.rstyle.bezierPts=[];for(var i=0;i+5<n.allpts.length;i+=4)Xo(this,e,n.allpts.slice(i,i+6))}else if("segments"===r){var 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n=e.hoverData.down;n?n.emit({originalEvent:t,type:"taphold",position:{x:a[0],y:a[1]}}):r.emit({originalEvent:t,type:"taphold",position:{x:a[0],y:a[1]}})}},e.tapholdDuration)}s[0]=s[2]=a[0],s[1]=s[3]=a[1]}},!1),e.registerBinding(window,"mousemove",function(t){if(e.hoverData.capture||y(t)){var a=!1,o=e.cy,s=o.zoom(),u=[t.clientX,t.clientY],h=e.projectIntoViewport(u[0],u[1]),d=e.hoverData.mdownPos,p=e.hoverData.mdownGPos,f=e.selection,g=null;e.hoverData.draggingEles||e.hoverData.dragging||e.hoverData.selecting||(g=e.findNearestElement(h[0],h[1],!0,!1));var m,b=e.hoverData.last,x=e.hoverData.down,w=[h[0]-f[2],h[1]-f[3]],E=e.dragData.possibleDragElements;if(p){var k=u[0]-p[0],C=k*k,S=u[1]-p[1],D=C+S*S;e.hoverData.isOverThresholdDrag=m=D>=e.desktopTapThreshold2}var P=r(t);m&&(e.hoverData.tapholdCancelled=!0);a=!0,n(g,["mousemove","vmousemove","tapdrag"],t,{x:h[0],y:h[1]});var T=function(){e.data.bgActivePosistion=void 0,e.hoverData.selecting||o.emit({originalEvent:t,type:"boxstart",position:{x:h[0],y:h[1]}}),f[4]=1,e.hoverData.selecting=!0,e.redrawHint("select",!0),e.redraw()};if(3===e.hoverData.which){if(m){var M={originalEvent:t,type:"cxtdrag",position:{x:h[0],y:h[1]}};x?x.emit(M):o.emit(M),e.hoverData.cxtDragged=!0,e.hoverData.cxtOver&&g===e.hoverData.cxtOver||(e.hoverData.cxtOver&&e.hoverData.cxtOver.emit({originalEvent:t,type:"cxtdragout",position:{x:h[0],y:h[1]}}),e.hoverData.cxtOver=g,g&&g.emit({originalEvent:t,type:"cxtdragover",position:{x:h[0],y:h[1]}}))}}else if(e.hoverData.dragging){if(a=!0,o.panningEnabled()&&o.userPanningEnabled()){var B;if(e.hoverData.justStartedPan){var _=e.hoverData.mdownPos;B={x:(h[0]-_[0])*s,y:(h[1]-_[1])*s},e.hoverData.justStartedPan=!1}else B={x:w[0]*s,y:w[1]*s};o.panBy(B),e.hoverData.dragged=!0}h=e.projectIntoViewport(t.clientX,t.clientY)}else if(1!=f[4]||null!=x&&!x.isEdge()){if(x&&x.isEdge()&&x.active()&&x.unactivate(),x&&x.grabbed()||g==b||(b&&n(b,["mouseout","tapdragout"],t,{x:h[0],y:h[1]}),g&&n(g,["mouseover","tapdragover"],t,{x:h[0],y:h[1]}),e.hoverData.last=g),x)if(m){if(o.boxSelectionEnabled()&&P)x&&x.grabbed()&&(c(E),x.emit("freeon"),E.emit("free"),e.dragData.didDrag&&(x.emit("dragfreeon"),E.emit("dragfree"))),T();else if(x&&x.grabbed()&&e.nodeIsDraggable(x)){var N=!e.dragData.didDrag;N&&e.redrawHint("eles",!0),e.dragData.didDrag=!0;var I=o.collection();e.hoverData.draggingEles||l(E,{inDragLayer:!0});var z={x:0,y:0};if(v(w[0])&&v(w[1])&&(z.x+=w[0],z.y+=w[1],N)){var L=e.hoverData.dragDelta;L&&v(L[0])&&v(L[1])&&(z.x+=L[0],z.y+=L[1])}for(var A=0;A<E.length;A++){var O=E[A];e.nodeIsDraggable(O)&&O.grabbed()&&I.merge(O)}e.hoverData.draggingEles=!0,I.silentShift(z).emit("position drag"),e.redrawHint("drag",!0),e.redraw()}}else!function(){var t=e.hoverData.dragDelta=e.hoverData.dragDelta||[];0===t.length?(t.push(w[0]),t.push(w[1])):(t[0]+=w[0],t[1]+=w[1])}();a=!0}else if(m){if(e.hoverData.dragging||!o.boxSelectionEnabled()||!P&&o.panningEnabled()&&o.userPanningEnabled()){if(!e.hoverData.selecting&&o.panningEnabled()&&o.userPanningEnabled()){i(x,e.hoverData.downs)&&(e.hoverData.dragging=!0,e.hoverData.justStartedPan=!0,f[4]=0,e.data.bgActivePosistion=rt(d),e.redrawHint("select",!0),e.redraw())}}else T();x&&x.isEdge()&&x.active()&&x.unactivate()}return f[2]=h[0],f[3]=h[1],a?(t.stopPropagation&&t.stopPropagation(),t.preventDefault&&t.preventDefault(),!1):void 0}},!1),e.registerBinding(window,"mouseup",function(i){if(e.hoverData.capture){e.hoverData.capture=!1;var a=e.cy,o=e.projectIntoViewport(i.clientX,i.clientY),s=e.selection,l=e.findNearestElement(o[0],o[1],!0,!1),u=e.dragData.possibleDragElements,h=e.hoverData.down,d=r(i);if(e.data.bgActivePosistion&&(e.redrawHint("select",!0),e.redraw()),e.hoverData.tapholdCancelled=!0,e.data.bgActivePosistion=void 0,h&&h.unactivate(),3===e.hoverData.which){var p={originalEvent:i,type:"cxttapend",position:{x:o[0],y:o[1]}};if(h?h.emit(p):a.emit(p),!e.hoverData.cxtDragged){var f={originalEvent:i,type:"cxttap",position:{x:o[0],y:o[1]}};h?h.emit(f):a.emit(f)}e.hoverData.cxtDragged=!1,e.hoverData.which=null}else if(1===e.hoverData.which){if(n(l,["mouseup","tapend","vmouseup"],i,{x:o[0],y:o[1]}),e.dragData.didDrag||e.hoverData.dragged||e.hoverData.selecting||e.hoverData.isOverThresholdDrag||n(h,["click","tap","vclick"],i,{x:o[0],y:o[1]}),null!=h||e.dragData.didDrag||e.hoverData.selecting||e.hoverData.dragged||r(i)||(a.$(t).unselect(["tapunselect"]),u.length>0&&e.redrawHint("eles",!0),e.dragData.possibleDragElements=u=a.collection()),l!=h||e.dragData.didDrag||e.hoverData.selecting||null!=l&&l._private.selectable&&(e.hoverData.dragging||("additive"===a.selectionType()||d?l.selected()?l.unselect(["tapunselect"]):l.select(["tapselect"]):d||(a.$(t).unmerge(l).unselect(["tapunselect"]),l.select(["tapselect"]))),e.redrawHint("eles",!0)),e.hoverData.selecting){var g=a.collection(e.getAllInBox(s[0],s[1],s[2],s[3]));e.redrawHint("select",!0),g.length>0&&e.redrawHint("eles",!0),a.emit({type:"boxend",originalEvent:i,position:{x:o[0],y:o[1]}});var v=function(e){return e.selectable()&&!e.selected()};"additive"===a.selectionType()?g.emit("box").stdFilter(v).select().emit("boxselect"):(d||a.$(t).unmerge(g).unselect(),g.emit("box").stdFilter(v).select().emit("boxselect")),e.redraw()}if(e.hoverData.dragging&&(e.hoverData.dragging=!1,e.redrawHint("select",!0),e.redrawHint("eles",!0),e.redraw()),!s[4]){e.redrawHint("drag",!0),e.redrawHint("eles",!0);var y=h&&h.grabbed();c(u),y&&(h.emit("freeon"),u.emit("free"),e.dragData.didDrag&&(h.emit("dragfreeon"),u.emit("dragfree")))}}s[4]=0,e.hoverData.down=null,e.hoverData.cxtStarted=!1,e.hoverData.draggingEles=!1,e.hoverData.selecting=!1,e.hoverData.isOverThresholdDrag=!1,e.dragData.didDrag=!1,e.hoverData.dragged=!1,e.hoverData.dragDelta=[],e.hoverData.mdownPos=null,e.hoverData.mdownGPos=null}},!1);var m,b,x,w,E,k,C,S,D,P,T,M,B;e.registerBinding(e.container,"wheel",function(t){if(!e.scrollingPage){var n,r=e.cy,i=e.projectIntoViewport(t.clientX,t.clientY),a=[i[0]*r.zoom()+r.pan().x,i[1]*r.zoom()+r.pan().y];e.hoverData.draggingEles||e.hoverData.dragging||e.hoverData.cxtStarted||0!==e.selection[4]?t.preventDefault():r.panningEnabled()&&r.userPanningEnabled()&&r.zoomingEnabled()&&r.userZoomingEnabled()&&(t.preventDefault(),e.data.wheelZooming=!0,clearTimeout(e.data.wheelTimeout),e.data.wheelTimeout=setTimeout(function(){e.data.wheelZooming=!1,e.redrawHint("eles",!0),e.redraw()},150),n=null!=t.deltaY?t.deltaY/-250:null!=t.wheelDeltaY?t.wheelDeltaY/1e3:t.wheelDelta/1e3,n*=e.wheelSensitivity,1===t.deltaMode&&(n*=33),r.zoom({level:r.zoom()*Math.pow(10,n),renderedPosition:{x:a[0],y:a[1]}}))}},!0),e.registerBinding(window,"scroll",function(t){e.scrollingPage=!0,clearTimeout(e.scrollingPageTimeout),e.scrollingPageTimeout=setTimeout(function(){e.scrollingPage=!1},250)},!0),e.registerBinding(e.container,"mouseout",function(t){var n=e.projectIntoViewport(t.clientX,t.clientY);e.cy.emit({originalEvent:t,type:"mouseout",position:{x:n[0],y:n[1]}})},!1),e.registerBinding(e.container,"mouseover",function(t){var n=e.projectIntoViewport(t.clientX,t.clientY);e.cy.emit({originalEvent:t,type:"mouseover",position:{x:n[0],y:n[1]}})},!1);var _,N,I,z,L=function(e,t,n,r){return Math.sqrt((n-e)*(n-e)+(r-t)*(r-t))},A=function(e,t,n,r){return(n-e)*(n-e)+(r-t)*(r-t)};if(e.registerBinding(e.container,"touchstart",_=function(t){if(y(t)){d(),e.touchData.capture=!0,e.data.bgActivePosistion=void 0;var r=e.cy,i=e.touchData.now,a=e.touchData.earlier;if(t.touches[0]){var s=e.projectIntoViewport(t.touches[0].clientX,t.touches[0].clientY);i[0]=s[0],i[1]=s[1]}if(t.touches[1]){s=e.projectIntoViewport(t.touches[1].clientX,t.touches[1].clientY);i[2]=s[0],i[3]=s[1]}if(t.touches[2]){s=e.projectIntoViewport(t.touches[2].clientX,t.touches[2].clientY);i[4]=s[0],i[5]=s[1]}if(t.touches[1]){c(e.dragData.touchDragEles);var h=e.findContainerClientCoords();D=h[0],P=h[1],T=h[2],M=h[3],m=t.touches[0].clientX-D,b=t.touches[0].clientY-P,x=t.touches[1].clientX-D,w=t.touches[1].clientY-P,B=0<=m&&m<=T&&0<=x&&x<=T&&0<=b&&b<=M&&0<=w&&w<=M;var p=r.pan(),f=r.zoom();E=L(m,b,x,w),k=A(m,b,x,w),S=[((C=[(m+x)/2,(b+w)/2])[0]-p.x)/f,(C[1]-p.y)/f];if(k<4e4&&!t.touches[2]){var g=e.findNearestElement(i[0],i[1],!0,!0),v=e.findNearestElement(i[2],i[3],!0,!0);return g&&g.isNode()?(g.activate().emit({originalEvent:t,type:"cxttapstart",position:{x:i[0],y:i[1]}}),e.touchData.start=g):v&&v.isNode()?(v.activate().emit({originalEvent:t,type:"cxttapstart",position:{x:i[0],y:i[1]}}),e.touchData.start=v):r.emit({originalEvent:t,type:"cxttapstart",position:{x:i[0],y:i[1]}}),e.touchData.start&&(e.touchData.start._private.grabbed=!1),e.touchData.cxt=!0,e.touchData.cxtDragged=!1,e.data.bgActivePosistion=void 0,void e.redraw()}}if(t.touches[2]);else if(t.touches[1]);else if(t.touches[0]){var _=e.findNearestElements(i[0],i[1],!0,!0),N=_[0];if(null!=N&&(N.activate(),e.touchData.start=N,e.touchData.starts=_,e.nodeIsGrabbable(N))){var I=e.dragData.touchDragEles=r.collection(),z=null;e.redrawHint("eles",!0),e.redrawHint("drag",!0),N.selected()?(z=r.$(function(t){return t.selected()&&e.nodeIsGrabbable(t)}),l(z,{addToList:I})):u(N,{addToList:I}),o(N);var O=function(e){return{originalEvent:t,type:e,position:{x:i[0],y:i[1]}}};N.emit(O("grabon")),z?z.forEach(function(e){e.emit(O("grab"))}):N.emit(O("grab"))}n(N,["touchstart","tapstart","vmousedown"],t,{x:i[0],y:i[1]}),null==N&&(e.data.bgActivePosistion={x:s[0],y:s[1]},e.redrawHint("select",!0),e.redraw()),e.touchData.singleTouchMoved=!1,e.touchData.singleTouchStartTime=+new Date,clearTimeout(e.touchData.tapholdTimeout),e.touchData.tapholdTimeout=setTimeout(function(){!1!==e.touchData.singleTouchMoved||e.pinching||e.touchData.selecting||n(e.touchData.start,["taphold"],t,{x:i[0],y:i[1]})},e.tapholdDuration)}if(t.touches.length>=1){for(var R=e.touchData.startPosition=[],F=0;F<i.length;F++)R[F]=a[F]=i[F];var V=t.touches[0];e.touchData.startGPosition=[V.clientX,V.clientY]}}},!1),e.registerBinding(window,"touchmove",N=function(t){var r=e.touchData.capture;if(r||y(t)){var a=e.selection,o=e.cy,s=e.touchData.now,u=e.touchData.earlier,h=o.zoom();if(t.touches[0]){var d=e.projectIntoViewport(t.touches[0].clientX,t.touches[0].clientY);s[0]=d[0],s[1]=d[1]}if(t.touches[1]){d=e.projectIntoViewport(t.touches[1].clientX,t.touches[1].clientY);s[2]=d[0],s[3]=d[1]}if(t.touches[2]){d=e.projectIntoViewport(t.touches[2].clientX,t.touches[2].clientY);s[4]=d[0],s[5]=d[1]}var p,f=e.touchData.startGPosition;if(r&&t.touches[0]&&f){for(var g=[],C=0;C<s.length;C++)g[C]=s[C]-u[C];var T=t.touches[0].clientX-f[0],M=T*T,_=t.touches[0].clientY-f[1];p=M+_*_>=e.touchTapThreshold2}if(r&&e.touchData.cxt){t.preventDefault();var N=t.touches[0].clientX-D,I=t.touches[0].clientY-P,z=t.touches[1].clientX-D,O=t.touches[1].clientY-P,R=A(N,I,z,O);if(R/k>=2.25||R>=22500){e.touchData.cxt=!1,e.data.bgActivePosistion=void 0,e.redrawHint("select",!0);var F={originalEvent:t,type:"cxttapend",position:{x:s[0],y:s[1]}};e.touchData.start?(e.touchData.start.unactivate().emit(F),e.touchData.start=null):o.emit(F)}}if(r&&e.touchData.cxt){F={originalEvent:t,type:"cxtdrag",position:{x:s[0],y:s[1]}};e.data.bgActivePosistion=void 0,e.redrawHint("select",!0),e.touchData.start?e.touchData.start.emit(F):o.emit(F),e.touchData.start&&(e.touchData.start._private.grabbed=!1),e.touchData.cxtDragged=!0;var V=e.findNearestElement(s[0],s[1],!0,!0);e.touchData.cxtOver&&V===e.touchData.cxtOver||(e.touchData.cxtOver&&e.touchData.cxtOver.emit({originalEvent:t,type:"cxtdragout",position:{x:s[0],y:s[1]}}),e.touchData.cxtOver=V,V&&V.emit({originalEvent:t,type:"cxtdragover",position:{x:s[0],y:s[1]}}))}else if(r&&t.touches[2]&&o.boxSelectionEnabled())t.preventDefault(),e.data.bgActivePosistion=void 0,this.lastThreeTouch=+new Date,e.touchData.selecting||o.emit({originalEvent:t,type:"boxstart",position:{x:s[0],y:s[1]}}),e.touchData.selecting=!0,e.redrawHint("select",!0),a&&0!==a.length&&void 0!==a[0]?(a[2]=(s[0]+s[2]+s[4])/3,a[3]=(s[1]+s[3]+s[5])/3):(a[0]=(s[0]+s[2]+s[4])/3,a[1]=(s[1]+s[3]+s[5])/3,a[2]=(s[0]+s[2]+s[4])/3+1,a[3]=(s[1]+s[3]+s[5])/3+1),a[4]=1,e.touchData.selecting=!0,e.redraw();else if(r&&t.touches[1]&&o.zoomingEnabled()&&o.panningEnabled()&&o.userZoomingEnabled()&&o.userPanningEnabled()){if(t.preventDefault(),e.data.bgActivePosistion=void 0,e.redrawHint("select",!0),ee=e.dragData.touchDragEles){e.redrawHint("drag",!0);for(var q=0;q<ee.length;q++){var j=ee[q]._private;j.grabbed=!1,j.rscratch.inDragLayer=!1}}var Y=e.touchData.start,X=(N=t.touches[0].clientX-D,I=t.touches[0].clientY-P,z=t.touches[1].clientX-D,O=t.touches[1].clientY-P,L(N,I,z,O)),W=X/E;if(B){var H=(N-m+(z-x))/2,K=(I-b+(O-w))/2,G=o.zoom(),Z=G*W,U=o.pan(),$=S[0]*G+U.x,Q=S[1]*G+U.y,J={x:-Z/G*($-U.x-H)+$,y:-Z/G*(Q-U.y-K)+Q};if(Y&&Y.active()){var ee=e.dragData.touchDragEles;c(ee),e.redrawHint("drag",!0),e.redrawHint("eles",!0),Y.unactivate().emit("freeon"),ee.emit("free"),e.dragData.didDrag&&(Y.emit("dragfreeon"),ee.emit("dragfree"))}o.viewport({zoom:Z,pan:J,cancelOnFailedZoom:!0}),E=X,m=N,b=I,x=z,w=O,e.pinching=!0}if(t.touches[0]){d=e.projectIntoViewport(t.touches[0].clientX,t.touches[0].clientY);s[0]=d[0],s[1]=d[1]}if(t.touches[1]){d=e.projectIntoViewport(t.touches[1].clientX,t.touches[1].clientY);s[2]=d[0],s[3]=d[1]}if(t.touches[2]){d=e.projectIntoViewport(t.touches[2].clientX,t.touches[2].clientY);s[4]=d[0],s[5]=d[1]}}else if(t.touches[0]){var te=e.touchData.start,ne=e.touchData.last;if(e.hoverData.draggingEles||e.swipePanning||(V=e.findNearestElement(s[0],s[1],!0,!0)),r&&null!=te&&t.preventDefault(),r&&null!=te&&e.nodeIsDraggable(te))if(p){ee=e.dragData.touchDragEles;var re=!e.dragData.didDrag;re&&l(ee,{inDragLayer:!0}),e.dragData.didDrag=!0;var ie={x:0,y:0};if(v(g[0])&&v(g[1]))if(ie.x+=g[0],ie.y+=g[1],re)e.redrawHint("eles",!0),(ae=e.touchData.dragDelta)&&v(ae[0])&&v(ae[1])&&(ie.x+=ae[0],ie.y+=ae[1]);e.hoverData.draggingEles=!0,ee.silentShift(ie).emit("position drag"),e.redrawHint("drag",!0),e.touchData.startPosition[0]==u[0]&&e.touchData.startPosition[1]==u[1]&&e.redrawHint("eles",!0),e.redraw()}else{var ae;0===(ae=e.touchData.dragDelta=e.touchData.dragDelta||[]).length?(ae.push(g[0]),ae.push(g[1])):(ae[0]+=g[0],ae[1]+=g[1])}if(n(te||V,["touchmove","tapdrag","vmousemove"],t,{x:s[0],y:s[1]}),te&&te.grabbed()||V==ne||(ne&&ne.emit({originalEvent:t,type:"tapdragout",position:{x:s[0],y:s[1]}}),V&&V.emit({originalEvent:t,type:"tapdragover",position:{x:s[0],y:s[1]}})),e.touchData.last=V,r)for(q=0;q<s.length;q++)s[q]&&e.touchData.startPosition[q]&&p&&(e.touchData.singleTouchMoved=!0);if(r&&(null==te||te.isEdge())&&o.panningEnabled()&&o.userPanningEnabled()){i(te,e.touchData.starts)&&(t.preventDefault(),e.swipePanning?o.panBy({x:g[0]*h,y:g[1]*h}):p&&(e.swipePanning=!0,o.panBy({x:T*h,y:_*h}),te&&(te.unactivate(),e.data.bgActivePosistion||(e.data.bgActivePosistion=rt(e.touchData.startPosition)),e.redrawHint("select",!0),e.touchData.start=null)));d=e.projectIntoViewport(t.touches[0].clientX,t.touches[0].clientY);s[0]=d[0],s[1]=d[1]}}for(C=0;C<s.length;C++)u[C]=s[C];r&&t.touches.length>0&&!e.hoverData.draggingEles&&!e.swipePanning&&null!=e.data.bgActivePosistion&&(e.data.bgActivePosistion=void 0,e.redrawHint("select",!0),e.redraw())}},!1),e.registerBinding(window,"touchcancel",I=function(t){var n=e.touchData.start;e.touchData.capture=!1,n&&n.unactivate()}),e.registerBinding(window,"touchend",z=function(r){var i=e.touchData.start;if(e.touchData.capture){0===r.touches.length&&(e.touchData.capture=!1),r.preventDefault();var a=e.selection;e.swipePanning=!1,e.hoverData.draggingEles=!1;var o,s=e.cy,l=s.zoom(),u=e.touchData.now,h=e.touchData.earlier;if(r.touches[0]){var d=e.projectIntoViewport(r.touches[0].clientX,r.touches[0].clientY);u[0]=d[0],u[1]=d[1]}if(r.touches[1]){d=e.projectIntoViewport(r.touches[1].clientX,r.touches[1].clientY);u[2]=d[0],u[3]=d[1]}if(r.touches[2]){d=e.projectIntoViewport(r.touches[2].clientX,r.touches[2].clientY);u[4]=d[0],u[5]=d[1]}if(i&&i.unactivate(),e.touchData.cxt){if(o={originalEvent:r,type:"cxttapend",position:{x:u[0],y:u[1]}},i?i.emit(o):s.emit(o),!e.touchData.cxtDragged){var p={originalEvent:r,type:"cxttap",position:{x:u[0],y:u[1]}};i?i.emit(p):s.emit(p)}return e.touchData.start&&(e.touchData.start._private.grabbed=!1),e.touchData.cxt=!1,e.touchData.start=null,void e.redraw()}if(!r.touches[2]&&s.boxSelectionEnabled()&&e.touchData.selecting){e.touchData.selecting=!1;var f=s.collection(e.getAllInBox(a[0],a[1],a[2],a[3]));a[0]=void 0,a[1]=void 0,a[2]=void 0,a[3]=void 0,a[4]=0,e.redrawHint("select",!0),s.emit({type:"boxend",originalEvent:r,position:{x:u[0],y:u[1]}});f.emit("box").stdFilter(function(e){return e.selectable()&&!e.selected()}).select().emit("boxselect"),f.nonempty()&&e.redrawHint("eles",!0),e.redraw()}if(null!=i&&i.unactivate(),r.touches[2])e.data.bgActivePosistion=void 0,e.redrawHint("select",!0);else if(r.touches[1]);else if(r.touches[0]);else if(!r.touches[0]){e.data.bgActivePosistion=void 0,e.redrawHint("select",!0);var g=e.dragData.touchDragEles;if(null!=i){var v=i._private.grabbed;c(g),e.redrawHint("drag",!0),e.redrawHint("eles",!0),v&&(i.emit("freeon"),g.emit("free"),e.dragData.didDrag&&(i.emit("dragfreeon"),g.emit("dragfree"))),n(i,["touchend","tapend","vmouseup","tapdragout"],r,{x:u[0],y:u[1]}),i.unactivate(),e.touchData.start=null}else{var y=e.findNearestElement(u[0],u[1],!0,!0);n(y,["touchend","tapend","vmouseup","tapdragout"],r,{x:u[0],y:u[1]})}var m=e.touchData.startPosition[0]-u[0],b=m*m,x=e.touchData.startPosition[1]-u[1],w=(b+x*x)*l*l;e.touchData.singleTouchMoved||(i||s.$(":selected").unselect(["tapunselect"]),n(i,["tap","vclick"],r,{x:u[0],y:u[1]})),null!=i&&!e.dragData.didDrag&&i._private.selectable&&w<e.touchTapThreshold2&&!e.pinching&&("single"===s.selectionType()?(s.$(t).unmerge(i).unselect(["tapunselect"]),i.select(["tapselect"])):i.selected()?i.unselect(["tapunselect"]):i.select(["tapselect"]),e.redrawHint("eles",!0)),e.touchData.singleTouchMoved=!0}for(var E=0;E<u.length;E++)h[E]=u[E];e.dragData.didDrag=!1,0===r.touches.length&&(e.touchData.dragDelta=[],e.touchData.startPosition=null,e.touchData.startGPosition=null),r.touches.length<2&&(e.pinching=!1,e.redrawHint("eles",!0),e.redraw())}},!1),"undefined"==typeof TouchEvent){var O=[],R=function(e){return{clientX:e.clientX,clientY:e.clientY,force:1,identifier:e.pointerId,pageX:e.pageX,pageY:e.pageY,radiusX:e.width/2,radiusY:e.height/2,screenX:e.screenX,screenY:e.screenY,target:e.target}},F=function(e){O.push(function(e){return{event:e,touch:R(e)}}(e))},V=function(e){for(var t=0;t<O.length;t++){if(O[t].event.pointerId===e.pointerId)return void O.splice(t,1)}},q=function(e){e.touches=O.map(function(e){return e.touch})},j=function(e){return"mouse"===e.pointerType||4===e.pointerType};e.registerBinding(e.container,"pointerdown",function(e){j(e)||(e.preventDefault(),F(e),q(e),_(e))}),e.registerBinding(e.container,"pointerup",function(e){j(e)||(V(e),q(e),z(e))}),e.registerBinding(e.container,"pointercancel",function(e){j(e)||(V(e),q(e),I())}),e.registerBinding(e.container,"pointermove",function(e){j(e)||(e.preventDefault(),function(e){var t=O.filter(function(t){return t.event.pointerId===e.pointerId})[0];t.event=e,t.touch=R(e)}(e),q(e),N(e))})}};var ts={generatePolygon:function(e,t){return this.nodeShapes[e]={renderer:this,name:e,points:t,draw:function(e,t,n,r,i){this.renderer.nodeShapeImpl("polygon",e,t,n,r,i,this.points)},intersectLine:function(e,t,n,r,i,a,o){return Kt(i,a,this.points,e,t,n/2,r/2,o)},checkPoint:function(e,t,n,r,i,a,o){return Ft(e,t,this.points,a,o,r,i,[0,-1],n)}}},generateEllipse:function(){return this.nodeShapes.ellipse={renderer:this,name:"ellipse",draw:function(e,t,n,r,i){this.renderer.nodeShapeImpl(this.name,e,t,n,r,i)},intersectLine:function(e,t,n,r,i,a,o){return jt(i,a,e,t,n/2+o,r/2+o)},checkPoint:function(e,t,n,r,i,a,o){return Yt(e,t,r,i,a,o,n)}}},generateRoundRectangle:function(){return this.nodeShapes["round-rectangle"]=this.nodeShapes.roundrectangle={renderer:this,name:"round-rectangle",points:Zt(4,0),draw:function(e,t,n,r,i){this.renderer.nodeShapeImpl(this.name,e,t,n,r,i)},intersectLine:function(e,t,n,r,i,a,o){return _t(i,a,e,t,n,r,o)},checkPoint:function(e,t,n,r,i,a,o){var s=Qt(r,i),l=2*s;return!!Ft(e,t,this.points,a,o,r,i-l,[0,-1],n)||(!!Ft(e,t,this.points,a,o,r-l,i,[0,-1],n)||(!!Yt(e,t,l,l,a-r/2+s,o-i/2+s,n)||(!!Yt(e,t,l,l,a+r/2-s,o-i/2+s,n)||(!!Yt(e,t,l,l,a+r/2-s,o+i/2-s,n)||!!Yt(e,t,l,l,a-r/2+s,o+i/2-s,n)))))}}},generateCutRectangle:function(){return this.nodeShapes["cut-rectangle"]=this.nodeShapes.cutrectangle={renderer:this,name:"cut-rectangle",cornerLength:8,points:Zt(4,0),draw:function(e,t,n,r,i){this.renderer.nodeShapeImpl(this.name,e,t,n,r,i)},generateCutTrianglePts:function(e,t,n,r){var i=this.cornerLength,a=t/2,o=e/2,s=n-o,l=n+o,u=r-a,c=r+a;return{topLeft:[s,u+i,s+i,u,s+i,u+i],topRight:[l-i,u,l,u+i,l-i,u+i],bottomRight:[l,c-i,l-i,c,l-i,c-i],bottomLeft:[s+i,c,s,c-i,s+i,c-i]}},intersectLine:function(e,t,n,r,i,a,o){var s=this.generateCutTrianglePts(n+2*o,r+2*o,e,t),l=[].concat.apply([],[s.topLeft.splice(0,4),s.topRight.splice(0,4),s.bottomRight.splice(0,4),s.bottomLeft.splice(0,4)]);return Kt(i,a,l,e,t)},checkPoint:function(e,t,n,r,i,a,o){if(Ft(e,t,this.points,a,o,r,i-2*this.cornerLength,[0,-1],n))return!0;if(Ft(e,t,this.points,a,o,r-2*this.cornerLength,i,[0,-1],n))return!0;var s=this.generateCutTrianglePts(r,i,a,o);return Rt(e,t,s.topLeft)||Rt(e,t,s.topRight)||Rt(e,t,s.bottomRight)||Rt(e,t,s.bottomLeft)}}},generateBarrel:function(){return this.nodeShapes.barrel={renderer:this,name:"barrel",points:Zt(4,0),draw:function(e,t,n,r,i){this.renderer.nodeShapeImpl(this.name,e,t,n,r,i)},intersectLine:function(e,t,n,r,i,a,o){var s=this.generateBarrelBezierPts(n+2*o,r+2*o,e,t),l=function(e){var t=vt({x:e[0],y:e[1]},{x:e[2],y:e[3]},{x:e[4],y:e[5]},.15),n=vt({x:e[0],y:e[1]},{x:e[2],y:e[3]},{x:e[4],y:e[5]},.5),r=vt({x:e[0],y:e[1]},{x:e[2],y:e[3]},{x:e[4],y:e[5]},.85);return[e[0],e[1],t.x,t.y,n.x,n.y,r.x,r.y,e[4],e[5]]},u=[].concat(l(s.topLeft),l(s.topRight),l(s.bottomRight),l(s.bottomLeft));return Kt(i,a,u,e,t)},generateBarrelBezierPts:function(e,t,n,r){var i=t/2,a=e/2,o=n-a,s=n+a,l=r-i,u=r+i,c=en(e,t),h=c.heightOffset,d=c.widthOffset,p=c.ctrlPtOffsetPct*e,f={topLeft:[o,l+h,o+p,l,o+d,l],topRight:[s-d,l,s-p,l,s,l+h],bottomRight:[s,u-h,s-p,u,s-d,u],bottomLeft:[o+d,u,o+p,u,o,u-h]};return f.topLeft.isTop=!0,f.topRight.isTop=!0,f.bottomLeft.isBottom=!0,f.bottomRight.isBottom=!0,f},checkPoint:function(e,t,n,r,i,a,o){var s=en(r,i),l=s.heightOffset,u=s.widthOffset;if(Ft(e,t,this.points,a,o,r,i-2*l,[0,-1],n))return!0;if(Ft(e,t,this.points,a,o,r-2*u,i,[0,-1],n))return!0;for(var c=this.generateBarrelBezierPts(r,i,a,o),h=function(e,t,n){var r=n[4],i=n[2],a=n[0],o=n[5],s=n[1],l=Math.min(r,a),u=Math.max(r,a),c=Math.min(o,s),h=Math.max(o,s);if(l<=e&&e<=u&&c<=t&&t<=h){var d=Jt(r,i,a),p=zt(d[0],d[1],d[2],e).filter(function(e){return 0<=e&&e<=1});if(p.length>0)return p[0]}return null},d=Object.keys(c),p=0;p<d.length;p++){var f=c[d[p]],g=h(e,t,f);if(null!=g){var v=f[5],y=f[3],m=f[1],b=gt(v,y,m,g);if(f.isTop&&b<=t)return!0;if(f.isBottom&&t<=b)return!0}}return!1}}},generateBottomRoundrectangle:function(){return this.nodeShapes["bottom-round-rectangle"]=this.nodeShapes.bottomroundrectangle={renderer:this,name:"bottom-round-rectangle",points:Zt(4,0),draw:function(e,t,n,r,i){this.renderer.nodeShapeImpl(this.name,e,t,n,r,i)},intersectLine:function(e,t,n,r,i,a,o){var s=t-(r/2+o),l=Ht(i,a,e,t,e-(n/2+o),s,e+(n/2+o),s,!1);return l.length>0?l:_t(i,a,e,t,n,r,o)},checkPoint:function(e,t,n,r,i,a,o){var s=Qt(r,i),l=2*s;if(Ft(e,t,this.points,a,o,r,i-l,[0,-1],n))return!0;if(Ft(e,t,this.points,a,o,r-l,i,[0,-1],n))return!0;var u=r/2+2*n,c=i/2+2*n;return!!Rt(e,t,[a-u,o-c,a-u,o,a+u,o,a+u,o-c])||(!!Yt(e,t,l,l,a+r/2-s,o+i/2-s,n)||!!Yt(e,t,l,l,a-r/2+s,o+i/2-s,n))}}},registerNodeShapes:function(){var e=this.nodeShapes={},t=this;this.generateEllipse(),this.generatePolygon("triangle",Zt(3,0)),this.generatePolygon("rectangle",Zt(4,0)),e.square=e.rectangle,this.generateRoundRectangle(),this.generateCutRectangle(),this.generateBarrel(),this.generateBottomRoundrectangle(),this.generatePolygon("diamond",[0,1,1,0,0,-1,-1,0]),this.generatePolygon("pentagon",Zt(5,0)),this.generatePolygon("hexagon",Zt(6,0)),this.generatePolygon("heptagon",Zt(7,0)),this.generatePolygon("octagon",Zt(8,0));var n=new Array(20),r=$t(5,0),i=$t(5,Math.PI/5),a=.5*(3-Math.sqrt(5));a*=1.57;for(var o=0;o<i.length/2;o++)i[2*o]*=a,i[2*o+1]*=a;for(o=0;o<5;o++)n[4*o]=r[2*o],n[4*o+1]=r[2*o+1],n[4*o+2]=i[2*o],n[4*o+3]=i[2*o+1];n=Ut(n),this.generatePolygon("star",n),this.generatePolygon("vee",[-1,-1,0,-.333,1,-1,0,1]),this.generatePolygon("rhomboid",[-1,-1,.333,-1,1,1,-.333,1]),this.nodeShapes.concavehexagon=this.generatePolygon("concave-hexagon",[-1,-.95,-.75,0,-1,.95,1,.95,.75,0,1,-.95]),this.generatePolygon("tag",[-1,-1,.25,-1,1,0,.25,1,-1,1]),e.makePolygon=function(e){var n,r="polygon-"+e.join("$");return(n=this[r])?n:t.generatePolygon(r,e)}}},ns={timeToRender:function(){return this.redrawTotalTime/this.redrawCount},redraw:function(e){e=e||Te();var t=this;void 0===t.averageRedrawTime&&(t.averageRedrawTime=0),void 0===t.lastRedrawTime&&(t.lastRedrawTime=0),void 0===t.lastDrawTime&&(t.lastDrawTime=0),t.requestedFrame=!0,t.renderOptions=e},beforeRender:function(e,t){if(!this.destroyed){null==t&&Ee("Priority is not optional for beforeRender");var n=this.beforeRenderCallbacks;n.push({fn:e,priority:t}),n.sort(function(e,t){return t.priority-e.priority})}}},rs=function(e,t,n){for(var r=e.beforeRenderCallbacks,i=0;i<r.length;i++)r[i].fn(t,n)};ns.startRenderLoop=function(){var e=this,t=e.cy;if(!e.renderLoopStarted){e.renderLoopStarted=!0;oe(function n(r){if(!e.destroyed){if(t.batching());else if(e.requestedFrame&&!e.skipFrame){rs(e,!0,r);var i=se();e.render(e.renderOptions);var a=e.lastDrawTime=se();void 0===e.averageRedrawTime&&(e.averageRedrawTime=a-i),void 0===e.redrawCount&&(e.redrawCount=0),e.redrawCount++,void 0===e.redrawTotalTime&&(e.redrawTotalTime=0);var o=a-i;e.redrawTotalTime+=o,e.lastRedrawTime=o,e.averageRedrawTime=e.averageRedrawTime/2+o/2,e.requestedFrame=!1}else rs(e,!1,r);e.skipFrame=!1,oe(n)}})}};var is=function(e){this.init(e)},as=is.prototype;as.clientFunctions=["redrawHint","render","renderTo","matchCanvasSize","nodeShapeImpl","arrowShapeImpl"],as.init=function(e){var t=this;t.options=e,t.cy=e.cy;var n=t.container=e.cy.container();if(a){var r=a.document,i=r.head,o="__________cytoscape_container",s=null!=r.getElementById("__________cytoscape_stylesheet");if(n.className.indexOf(o)<0&&(n.className=(n.className||"")+" "+o),!s){var l=r.createElement("style");l.id="__________cytoscape_stylesheet",l.innerHTML="."+o+" { position: relative; }",i.insertBefore(l,i.children[0])}"static"===a.getComputedStyle(n).getPropertyValue("position")&&Ce("A Cytoscape container has style position:static and so can not use UI extensions properly")}t.selection=[void 0,void 0,void 0,void 0,0],t.bezierProjPcts=[.05,.225,.4,.5,.6,.775,.95],t.hoverData={down:null,last:null,downTime:null,triggerMode:null,dragging:!1,initialPan:[null,null],capture:!1},t.dragData={possibleDragElements:[]},t.touchData={start:null,capture:!1,startPosition:[null,null,null,null,null,null],singleTouchStartTime:null,singleTouchMoved:!0,now:[null,null,null,null,null,null],earlier:[null,null,null,null,null,null]},t.redraws=0,t.showFps=e.showFps,t.debug=e.debug,t.hideEdgesOnViewport=e.hideEdgesOnViewport,t.hideLabelsOnViewport=e.hideLabelsOnViewport,t.textureOnViewport=e.textureOnViewport,t.wheelSensitivity=e.wheelSensitivity,t.motionBlurEnabled=e.motionBlur,t.forcedPixelRatio=v(e.pixelRatio)?e.pixelRatio:null,t.motionBlur=e.motionBlur,t.motionBlurOpacity=e.motionBlurOpacity,t.motionBlurTransparency=1-t.motionBlurOpacity,t.motionBlurPxRatio=1,t.mbPxRBlurry=1,t.minMbLowQualFrames=4,t.fullQualityMb=!1,t.clearedForMotionBlur=[],t.desktopTapThreshold=e.desktopTapThreshold,t.desktopTapThreshold2=e.desktopTapThreshold*e.desktopTapThreshold,t.touchTapThreshold=e.touchTapThreshold,t.touchTapThreshold2=e.touchTapThreshold*e.touchTapThreshold,t.tapholdDuration=500,t.bindings=[],t.beforeRenderCallbacks=[],t.beforeRenderPriorities={animations:400,eleCalcs:300,eleTxrDeq:200,lyrTxrDeq:150,lyrTxrSkip:100},t.registerNodeShapes(),t.registerArrowShapes(),t.registerCalculationListeners()},as.notify=function(e,t){var n=this,r=n.cy;this.destroyed||("init"!==e?"destroy"!==e?(("add"===e||"remove"===e||"move"===e&&r.hasCompoundNodes()||"load"===e||"zorder"===e||"mount"===e)&&n.invalidateCachedZSortedEles(),"viewport"===e&&n.redrawHint("select",!0),"load"!==e&&"resize"!==e&&"mount"!==e||(n.invalidateContainerClientCoordsCache(),n.matchCanvasSize(n.container)),n.redrawHint("eles",!0),n.redrawHint("drag",!0),this.startRenderLoop(),this.redraw()):n.destroy():n.load())},as.destroy=function(){var e=this;e.destroyed=!0,e.cy.stopAnimationLoop();for(var t=0;t<e.bindings.length;t++){var n=e.bindings[t],r=n.target;(r.off||r.removeEventListener).apply(r,n.args)}if(e.bindings=[],e.beforeRenderCallbacks=[],e.onUpdateEleCalcsFns=[],e.removeObserver&&e.removeObserver.disconnect(),e.styleObserver&&e.styleObserver.disconnect(),e.labelCalcDiv)try{document.body.removeChild(e.labelCalcDiv)}catch(e){}},as.isHeadless=function(){return!1},[Oo,Qo,Jo,es,ts,ns].forEach(function(e){I(as,e)});var os=function(e){return function(){var t=this,n=this.renderer;if(!t.dequeueingSetup){t.dequeueingSetup=!0;var r=ne(function(){n.redrawHint("eles",!0),n.redrawHint("drag",!0),n.redraw()},e.deqRedrawThreshold),i=e.priority||we;n.beforeRender(function(i,a){var o=se(),s=n.averageRedrawTime,l=n.lastRedrawTime,u=[],c=n.cy.extent(),h=n.getPixelRatio();for(i||n.flushRenderedStyleQueue();;){var d=se(),p=d-o,f=d-a;if(l<1e3/60){var g=1e3/60-(i?s:0);if(f>=e.deqFastCost*g)break}else if(i){if(p>=e.deqCost*l||p>=e.deqAvgCost*s)break}else if(f>=e.deqNoDrawCost*(1e3/60))break;var v=e.deq(t,h,c);if(!(v.length>0))break;for(var y=0;y<v.length;y++)u.push(v[y])}u.length>0&&(e.onDeqd(t,u),!i&&e.shouldRedraw(t,u,h,c)&&r())},i(t))}}},ss=function(){function e(n){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:be;t(this,e),this.idsByKey=new ze,this.keyForId=new ze,this.cachesByLvl=new ze,this.lvls=[],this.getKey=n,this.doesEleInvalidateKey=r}return r(e,[{key:"getIdsFor",value:function(e){null==e&&Ee("Can not get id list for null key");var t=this.idsByKey,n=this.idsByKey.get(e);return n||(n=new Ae,t.set(e,n)),n}},{key:"addIdForKey",value:function(e,t){null!=e&&this.getIdsFor(e).add(t)}},{key:"deleteIdForKey",value:function(e,t){null!=e&&this.getIdsFor(e).delete(t)}},{key:"getNumberOfIdsForKey",value:function(e){return null==e?0:this.getIdsFor(e).size}},{key:"updateKeyMappingFor",value:function(e){var t=e.id(),n=this.keyForId.get(t),r=this.getKey(e);this.deleteIdForKey(n,t),this.addIdForKey(r,t),this.keyForId.set(t,r)}},{key:"deleteKeyMappingFor",value:function(e){var t=e.id(),n=this.keyForId.get(t);this.deleteIdForKey(n,t),this.keyForId.delete(t)}},{key:"keyHasChangedFor",value:function(e){var t=e.id();return this.keyForId.get(t)!==this.getKey(e)}},{key:"isInvalid",value:function(e){return this.keyHasChangedFor(e)||this.doesEleInvalidateKey(e)}},{key:"getCachesAt",value:function(e){var t=this.cachesByLvl,n=this.lvls,r=t.get(e);return r||(r=new ze,t.set(e,r),n.push(e)),r}},{key:"getCache",value:function(e,t){return this.getCachesAt(t).get(e)}},{key:"get",value:function(e,t){var n=this.getKey(e),r=this.getCache(n,t);return null!=r&&this.updateKeyMappingFor(e),r}},{key:"getForCachedKey",value:function(e,t){var n=this.keyForId.get(e.id());return this.getCache(n,t)}},{key:"hasCache",value:function(e,t){return this.getCachesAt(t).has(e)}},{key:"has",value:function(e,t){var n=this.getKey(e);return this.hasCache(n,t)}},{key:"setCache",value:function(e,t,n){n.key=e,this.getCachesAt(t).set(e,n)}},{key:"set",value:function(e,t,n){var r=this.getKey(e);this.setCache(r,t,n),this.updateKeyMappingFor(e)}},{key:"deleteCache",value:function(e,t){this.getCachesAt(t).delete(e)}},{key:"delete",value:function(e,t){var n=this.getKey(e);this.deleteCache(n,t)}},{key:"invalidateKey",value:function(e){var t=this;this.lvls.forEach(function(n){return t.deleteCache(e,n)})}},{key:"invalidate",value:function(e){var t=e.id(),n=this.keyForId.get(t);this.deleteKeyMappingFor(e);var r=this.doesEleInvalidateKey(e);return r&&this.invalidateKey(n),r||0===this.getNumberOfIdsForKey(n)}}]),e}(),ls={dequeue:"dequeue",downscale:"downscale",highQuality:"highQuality"},us=Me({getKey:null,doesEleInvalidateKey:be,drawElement:null,getBoundingBox:null,getRotationPoint:null,getRotationOffset:null,isVisible:me,allowEdgeTxrCaching:!0,allowParentTxrCaching:!0}),cs=function(e,t){this.renderer=e,this.onDequeues=[];var n=us(t);I(this,n),this.lookup=new ss(n.getKey,n.doesEleInvalidateKey),this.setupDequeueing()},hs=cs.prototype;hs.reasons=ls,hs.getTextureQueue=function(e){return this.eleImgCaches=this.eleImgCaches||{},this.eleImgCaches[e]=this.eleImgCaches[e]||[]},hs.getRetiredTextureQueue=function(e){var t=this.eleImgCaches.retired=this.eleImgCaches.retired||{};return t[e]=t[e]||[]},hs.getElementQueue=function(){return this.eleCacheQueue=this.eleCacheQueue||new Ve(function(e,t){return t.reqs-e.reqs})},hs.getElementKeyToQueue=function(){return this.eleKeyToCacheQueue=this.eleKeyToCacheQueue||{}},hs.getElement=function(e,t,n,r,i){var a=this,o=this.renderer,s=o.cy.zoom(),l=this.lookup;if(0===t.w||0===t.h||isNaN(t.w)||isNaN(t.h)||!e.visible())return null;if(!a.allowEdgeTxrCaching&&e.isEdge()||!a.allowParentTxrCaching&&e.isParent())return null;if(null==r&&(r=Math.ceil(ct(s*n))),r<-4)r=-4;else if(s>=7.99||r>3)return null;var u=Math.pow(2,r),c=t.h*u,h=t.w*u,d=o.eleTextBiggerThanMin(e,u);if(!this.isVisible(e,d))return null;var p,f=l.get(e,r);if(f&&f.invalidated&&(f.invalidated=!1,f.texture.invalidatedWidth-=f.width),f)return f;if(p=c<=25?25:c<=50?50:50*Math.ceil(c/50),c>1024||h>1024)return null;var g=a.getTextureQueue(p),v=g[g.length-2],y=function(){return a.recycleTexture(p,h)||a.addTexture(p,h)};v||(v=g[g.length-1]),v||(v=y()),v.width-v.usedWidth<h&&(v=y());for(var m,b=function(e){return e&&e.scaledLabelShown===d},x=i&&i===ls.dequeue,w=i&&i===ls.highQuality,E=i&&i===ls.downscale,k=r+1;k<=3;k++){var C=l.get(e,k);if(C){m=C;break}}var S=m&&m.level===r+1?m:null,D=function(){v.context.drawImage(S.texture.canvas,S.x,0,S.width,S.height,v.usedWidth,0,h,c)};if(v.context.setTransform(1,0,0,1,0,0),v.context.clearRect(v.usedWidth,0,h,p),b(S))D();else if(b(m)){if(!w)return a.queueElement(e,m.level-1),m;for(var P=m.level;P>r;P--)S=a.getElement(e,t,n,P,ls.downscale);D()}else{var T;if(!x&&!w&&!E)for(var M=r-1;M>=-4;M--){var B=l.get(e,M);if(B){T=B;break}}if(b(T))return a.queueElement(e,r),T;v.context.translate(v.usedWidth,0),v.context.scale(u,u),this.drawElement(v.context,e,t,d,!1),v.context.scale(1/u,1/u),v.context.translate(-v.usedWidth,0)}return f={x:v.usedWidth,texture:v,level:r,scale:u,width:h,height:c,scaledLabelShown:d},v.usedWidth+=Math.ceil(h+8),v.eleCaches.push(f),l.set(e,r,f),a.checkTextureFullness(v),f},hs.invalidateElements=function(e){for(var t=0;t<e.length;t++)this.invalidateElement(e[t])},hs.invalidateElement=function(e){var t=this.lookup,n=[];if(t.isInvalid(e)){for(var r=-4;r<=3;r++){var i=t.getForCachedKey(e,r);i&&n.push(i)}if(t.invalidate(e))for(var a=0;a<n.length;a++){var o=n[a],s=o.texture;s.invalidatedWidth+=o.width,o.invalidated=!0,this.checkTextureUtility(s)}this.removeFromQueue(e)}},hs.checkTextureUtility=function(e){e.invalidatedWidth>=.2*e.width&&this.retireTexture(e)},hs.checkTextureFullness=function(e){var t=this.getTextureQueue(e.height);e.usedWidth/e.width>.8&&e.fullnessChecks>=10?Be(t,e):e.fullnessChecks++},hs.retireTexture=function(e){var t=e.height,n=this.getTextureQueue(t),r=this.lookup;Be(n,e),e.retired=!0;for(var i=e.eleCaches,a=0;a<i.length;a++){var o=i[a];r.deleteCache(o.key,o.level)}_e(i),this.getRetiredTextureQueue(t).push(e)},hs.addTexture=function(e,t){var n={};return this.getTextureQueue(e).push(n),n.eleCaches=[],n.height=e,n.width=Math.max(1024,t),n.usedWidth=0,n.invalidatedWidth=0,n.fullnessChecks=0,n.canvas=this.renderer.makeOffscreenCanvas(n.width,n.height),n.context=n.canvas.getContext("2d"),n},hs.recycleTexture=function(e,t){for(var n=this.getTextureQueue(e),r=this.getRetiredTextureQueue(e),i=0;i<r.length;i++){var a=r[i];if(a.width>=t)return a.retired=!1,a.usedWidth=0,a.invalidatedWidth=0,a.fullnessChecks=0,_e(a.eleCaches),a.context.setTransform(1,0,0,1,0,0),a.context.clearRect(0,0,a.width,a.height),Be(r,a),n.push(a),a}},hs.queueElement=function(e,t){var n=this.getElementQueue(),r=this.getElementKeyToQueue(),i=this.getKey(e),a=r[i];if(a)a.level=Math.max(a.level,t),a.eles.merge(e),a.reqs++,n.updateItem(a);else{var o={eles:e.spawn().merge(e),level:t,reqs:1,key:i};n.push(o),r[i]=o}},hs.dequeue=function(e){for(var t=this.getElementQueue(),n=this.getElementKeyToQueue(),r=[],i=this.lookup,a=0;a<1&&t.size()>0;a++){var o=t.pop(),s=o.key,l=o.eles[0],u=i.hasCache(l,o.level);if(n[s]=null,!u){r.push(o);var c=this.getBoundingBox(l);this.getElement(l,c,e,o.level,ls.dequeue)}}return r},hs.removeFromQueue=function(e){var t=this.getElementQueue(),n=this.getElementKeyToQueue(),r=this.getKey(e),i=n[r];null!=i&&(1===i.eles.length?(i.reqs=ye,t.updateItem(i),t.pop(),n[r]=null):i.eles.unmerge(e))},hs.onDequeue=function(e){this.onDequeues.push(e)},hs.offDequeue=function(e){Be(this.onDequeues,e)},hs.setupDequeueing=os({deqRedrawThreshold:100,deqCost:.15,deqAvgCost:.1,deqNoDrawCost:.9,deqFastCost:.9,deq:function(e,t,n){return e.dequeue(t,n)},onDeqd:function(e,t){for(var n=0;n<e.onDequeues.length;n++){(0,e.onDequeues[n])(t)}},shouldRedraw:function(e,t,n,r){for(var i=0;i<t.length;i++)for(var a=t[i].eles,o=0;o<a.length;o++){var s=a[o].boundingBox();if(Pt(s,r))return!0}return!1},priority:function(e){return e.renderer.beforeRenderPriorities.eleTxrDeq}});var ds=function(e){var t=this,n=t.renderer=e,r=n.cy;t.layersByLevel={},t.firstGet=!0,t.lastInvalidationTime=se()-500,t.skipping=!1,t.eleTxrDeqs=r.collection(),t.scheduleElementRefinement=ne(function(){t.refineElementTextures(t.eleTxrDeqs),t.eleTxrDeqs.unmerge(t.eleTxrDeqs)},50),n.beforeRender(function(e,n){n-t.lastInvalidationTime<=250?t.skipping=!0:t.skipping=!1},n.beforeRenderPriorities.lyrTxrSkip);t.layersQueue=new Ve(function(e,t){return t.reqs-e.reqs}),t.setupDequeueing()},ps=ds.prototype,fs=0,gs=Math.pow(2,53)-1;ps.makeLayer=function(e,t){var n=Math.pow(2,t),r=Math.ceil(e.w*n),i=Math.ceil(e.h*n),a=this.renderer.makeOffscreenCanvas(r,i),o={id:fs=++fs%gs,bb:e,level:t,width:r,height:i,canvas:a,context:a.getContext("2d"),eles:[],elesQueue:[],reqs:0},s=o.context,l=-o.bb.x1,u=-o.bb.y1;return s.scale(n,n),s.translate(l,u),o},ps.getLayers=function(e,t,n){var r=this,i=r.renderer.cy.zoom(),a=r.firstGet;if(r.firstGet=!1,null==n)if((n=Math.ceil(ct(i*t)))<-4)n=-4;else if(i>=3.99||n>2)return null;r.validateLayersElesOrdering(n,e);var o,s,l=r.layersByLevel,u=Math.pow(2,n),c=l[n]=l[n]||[];if(r.levelIsComplete(n,e))return c;!function(){var t=function(t){if(r.validateLayersElesOrdering(t,e),r.levelIsComplete(t,e))return s=l[t],!0},i=function(e){if(!s)for(var r=n+e;-4<=r&&r<=2&&!t(r);r+=e);};i(1),i(-1);for(var a=c.length-1;a>=0;a--){var o=c[a];o.invalid&&Be(c,o)}}();var h=function(t){var i=(t=t||{}).after;if(function(){if(!o){o=bt();for(var t=0;t<e.length;t++)Et(o,e[t].boundingBox())}}(),o.w*u*(o.h*u)>16e6)return null;var a=r.makeLayer(o,n);if(null!=i){var s=c.indexOf(i)+1;c.splice(s,0,a)}else(void 0===t.insert||t.insert)&&c.unshift(a);return a};if(r.skipping&&!a)return null;for(var d=null,p=e.length/1,f=!a,g=0;g<e.length;g++){var v=e[g],y=v._private.rscratch,m=y.imgLayerCaches=y.imgLayerCaches||{},b=m[n];if(b)d=b;else{if((!d||d.eles.length>=p||!Bt(d.bb,v.boundingBox()))&&!(d=h({insert:!0,after:d})))return null;s||f?r.queueLayer(d,v):r.drawEleInLayer(d,v,n,t),d.eles.push(v),m[n]=d}}return s||(f?null:c)},ps.getEleLevelForLayerLevel=function(e,t){return e},ps.drawEleInLayer=function(e,t,n,r){var i=this.renderer,a=e.context,o=t.boundingBox();0!==o.w&&0!==o.h&&t.visible()&&(n=this.getEleLevelForLayerLevel(n,r),i.setImgSmoothing(a,!1),i.drawCachedElement(a,t,null,null,n,!0),i.setImgSmoothing(a,!0))},ps.levelIsComplete=function(e,t){var n=this.layersByLevel[e];if(!n||0===n.length)return!1;for(var r=0,i=0;i<n.length;i++){var a=n[i];if(a.reqs>0)return!1;if(a.invalid)return!1;r+=a.eles.length}return r===t.length},ps.validateLayersElesOrdering=function(e,t){var n=this.layersByLevel[e];if(n)for(var r=0;r<n.length;r++){for(var i=n[r],a=-1,o=0;o<t.length;o++)if(i.eles[0]===t[o]){a=o;break}if(a<0)this.invalidateLayer(i);else{var s=a;for(o=0;o<i.eles.length;o++)if(i.eles[o]!==t[s+o]){this.invalidateLayer(i);break}}}},ps.updateElementsInLayers=function(e,t){for(var n=b(e[0]),r=0;r<e.length;r++)for(var i=n?null:e[r],a=n?e[r]:e[r].ele,o=a._private.rscratch,s=o.imgLayerCaches=o.imgLayerCaches||{},l=-4;l<=2;l++){var u=s[l];u&&(i&&this.getEleLevelForLayerLevel(u.level)!==i.level||t(u,a,i))}},ps.haveLayers=function(){for(var e=!1,t=-4;t<=2;t++){var n=this.layersByLevel[t];if(n&&n.length>0){e=!0;break}}return e},ps.invalidateElements=function(e){var t=this;0!==e.length&&(t.lastInvalidationTime=se(),0!==e.length&&t.haveLayers()&&t.updateElementsInLayers(e,function(e,n,r){t.invalidateLayer(e)}))},ps.invalidateLayer=function(e){if(this.lastInvalidationTime=se(),!e.invalid){var t=e.level,n=e.eles,r=this.layersByLevel[t];Be(r,e),e.elesQueue=[],e.invalid=!0,e.replacement&&(e.replacement.invalid=!0);for(var i=0;i<n.length;i++){var a=n[i]._private.rscratch.imgLayerCaches;a&&(a[t]=null)}}},ps.refineElementTextures=function(e){var t=this;t.updateElementsInLayers(e,function(e,n,r){var i=e.replacement;if(i||((i=e.replacement=t.makeLayer(e.bb,e.level)).replaces=e,i.eles=e.eles),!i.reqs)for(var a=0;a<i.eles.length;a++)t.queueLayer(i,i.eles[a])})},ps.enqueueElementRefinement=function(e){this.eleTxrDeqs.merge(e),this.scheduleElementRefinement()},ps.queueLayer=function(e,t){var n=this.layersQueue,r=e.elesQueue,i=r.hasId=r.hasId||{};if(!e.replacement){if(t){if(i[t.id()])return;r.push(t),i[t.id()]=!0}e.reqs?(e.reqs++,n.updateItem(e)):(e.reqs=1,n.push(e))}},ps.dequeue=function(e){for(var t=this.layersQueue,n=[],r=0;r<1&&0!==t.size();){var i=t.peek();if(i.replacement)t.pop();else if(i.replaces&&i!==i.replaces.replacement)t.pop();else if(i.invalid)t.pop();else{var a=i.elesQueue.shift();a&&(this.drawEleInLayer(i,a,i.level,e),r++),0===n.length&&n.push(!0),0===i.elesQueue.length&&(t.pop(),i.reqs=0,i.replaces&&this.applyLayerReplacement(i),this.requestRedraw())}}return n},ps.applyLayerReplacement=function(e){var t=this.layersByLevel[e.level],n=e.replaces,r=t.indexOf(n);if(!(r<0||n.invalid)){t[r]=e;for(var i=0;i<e.eles.length;i++){var a=e.eles[i]._private,o=a.imgLayerCaches=a.imgLayerCaches||{};o&&(o[e.level]=e)}this.requestRedraw()}},ps.requestRedraw=ne(function(){var e=this.renderer;e.redrawHint("eles",!0),e.redrawHint("drag",!0),e.redraw()},100),ps.setupDequeueing=os({deqRedrawThreshold:50,deqCost:.15,deqAvgCost:.1,deqNoDrawCost:.9,deqFastCost:.9,deq:function(e,t){return e.dequeue(t)},onDeqd:we,shouldRedraw:me,priority:function(e){return e.renderer.beforeRenderPriorities.lyrTxrDeq}});var vs,ys={};function ms(e,t){for(var n=0;n<t.length;n++){var r=t[n];e.lineTo(r.x,r.y)}}function bs(e,t,n){for(var r,i=0;i<t.length;i++){var a=t[i];0===i&&(r=a),e.lineTo(a.x,a.y)}e.quadraticCurveTo(n.x,n.y,r.x,r.y)}function xs(e,t,n){e.beginPath&&e.beginPath();for(var r=t,i=0;i<r.length;i++){var a=r[i];e.lineTo(a.x,a.y)}var o=n,s=n[0];e.moveTo(s.x,s.y);for(i=1;i<o.length;i++){a=o[i];e.lineTo(a.x,a.y)}e.closePath&&e.closePath()}function 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