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2 lines
23 KiB
2 lines
23 KiB
!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).BubbleSets={})}(this,(function(t){"use strict";function e(t,e,i,s,n,r){const h=i-t,o=s-e;let a=n-t,c=r-e,u=a*h+c*o,l=0;u<=0?l=0:(a=h-a,c=o-c,u=a*h+c*o,l=u<=0?0:u*u/(h*h+o*o));const x=a*a+c*c-l;return x<0?0:x}function i(t,e,i,s){return(t-i)*(t-i)+(e-s)*(e-s)}function s(t,e,s,n,r){return i(t,e,s,n)<r*r}function n(t){const e=Math.min(t.x1,t.x2),i=Math.max(t.x1,t.x2),s=Math.min(t.y1,t.y2),n=Math.max(t.y1,t.y2);return{x:e,y:s,x2:i,y2:n,width:i-e,height:n-s}}class r{constructor(t,e,i,s){this.x1=t,this.y1=e,this.x2=i,this.y2=s}equals(t){return this.x1===t.x1&&this.y1===t.y1&&this.x2===t.x2&&this.y2===t.y2}draw(t){t.moveTo(this.x1,this.y1),t.lineTo(this.x2,this.y2)}toString(){return`Line(from=(${this.x1},${this.y1}),to=(${this.x2},${this.y2}))`}static from(t){return new 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A{constructor(t=0){this.count=0,this.arr=[],this.set=new Set,this.arr.length=t}add(t){this.set.add(`${t.x}x${t.y}`),this.arr[this.count++]=t}contains(t){return this.set.has(`${t.x}x${t.y}`)}isFirst(t){if(0===this.count)return!1;const e=this.arr[0];return null!=e&&e.x===t.x&&e.y===t.y}path(){return new j(this.arr.slice(0,this.count))}clear(){this.set.clear(),this.count=0}get(t){return this.arr[t]}get length(){return this.count}}function G(t,e){const i=2*(Math.floor(t.width)+Math.floor(t.height)),s=new A(i);function n(i,s,n,r){const h=t.get(i,s);return Number.isNaN(h)?Number.NaN:h>e?n+r:n}function r(t,e){let i=0;return i=n(t,e,i,1),i=n(t+1,e,i,2),i=n(t,e+1,i,4),i=n(t+1,e+1,i,8),Number.isNaN(i)?-1:i}let h=1;function o(e,i){let n=e,o=i,a=t.invertScaleX(n),c=t.invertScaleY(o);for(let e=0;e<t.width*t.height;e++){const e={x:a,y:c};if(s.contains(e)){if(s.isFirst(e))return!0}else s.add(e);const i=r(n,o);switch(i){case-1:return!0;case 0:case 3:case 2:case 7:h=2;break;case 12:case 14:case 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t.x===i.x&&t.y===i.y&&t.width===i.width&&t.height===i.height}var F;!function(t){t[t.MEMBERS=0]="MEMBERS",t[t.NON_MEMBERS=1]="NON_MEMBERS",t[t.EDGES=2]="EDGES"}(F||(F={}));class ${constructor(t={}){this.dirty=new Set,this.members=[],this.nonMembers=[],this.virtualEdges=[],this.edges=[],this.activeRegion=new d(0,0,0,0),this.potentialArea=new w(1,0,0,0,0,0,0),this.o=Object.assign({},B,t)}pushMember(...t){if(0!==t.length){this.dirty.add(F.MEMBERS);for(const e of t)this.members.push({raw:e,obj:L(e)?p.from(e):d.from(e),area:null})}}removeMember(t){const e=this.members.findIndex((e=>Y(e.raw,t)));return!(e<0)&&(this.members.splice(e,1),this.dirty.add(F.MEMBERS),!0)}removeNonMember(t){const e=this.nonMembers.findIndex((e=>Y(e.raw,t)));return!(e<0)&&(this.nonMembers.splice(e,1),this.dirty.add(F.NON_MEMBERS),!0)}removeEdge(t){const 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j([]);this.dirty.size>0&&this.update();const{o:t,potentialArea:e}=this,i=this.members.map((t=>t.area)),s=this.virtualEdges.concat(this.edges).map((t=>t.area)),n=this.nonMembers.filter((t=>null!=t.area)).map((t=>t.area)),r=this.members.map((t=>t.obj));return X(e,i,s,n,(t=>t.containsElements(r)),t)}}function X(t,e,i,s,n,r={}){const h=Object.assign({},B,r);let o=h.threshold,a=h.memberInfluenceFactor,c=h.edgeInfluenceFactor,u=h.nonMemberInfluenceFactor;const l=(h.nodeR0-h.nodeR1)*(h.nodeR0-h.nodeR1),x=(h.edgeR0-h.edgeR1)*(h.edgeR0-h.edgeR1);for(let r=0;r<h.maxMarchingIterations;r++){if(t.clear(),0!==a){const i=a/l;for(const s of e)t.incArea(s,i)}if(0!==c){const e=c/x;for(const s of i)t.incArea(s,e)}if(0!==u){const e=u/l;for(const i of s)t.incArea(i,e)}const f=G(t,o);if(f&&n(f))return f;if(o*=.95,r<=.5*h.maxMarchingIterations)a*=1.2,c*=1.2;else{if(!(0!==u&&s.length>0))break;u*=.8}}return new j([])}function q(t,e){if(0===t.length)return new d(0,0,0,0);const i=d.from(t[0]);for(const e of t)i.add(e);for(const t of e)i.add(n(t));return i}t.Area=w,t.BubbleSets=$,t.Circle=p,t.Line=r,t.PointPath=j,t.Rectangle=d,t.addPadding=m,t.boundingBox=g,t.calculatePotentialOutline=X,t.calculateVirtualEdges=N,t.circle=function(t,e,i){return{cx:t,cy:e,radius:i}},t.createGenericInfluenceArea=M,t.createLineInfluenceArea=b,t.createOutline=function(t,e=[],i=[],s={}){if(0===t.length)return new j([]);const n=new $(s);return n.pushMember(...t),n.pushNonMember(...e),n.pushEdge(...i),n.compute()},t.createRectangleInfluenceArea=E,t.default=$,t.defaultOptions=B,t.line=function(t,e,i,s){return{x1:t,y1:e,x2:i,y2:s}},t.lineBoundingBox=n,t.point=I,t.rect=function(t,e,i,s){return{x:t,y:e,width:i,height:s}},t.unionBoundingBox=q,Object.defineProperty(t,"__esModule",{value:!0})}));
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