@arcgis/core/views/2d/layers/features/support/TileStore.js

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.32/esri/copyright.txt for details.
*/
import e from"../../../../../core/Evented.js";import has from"../../../../../core/has.js";import{r as t}from"../../../../../chunks/rbush.js";import{width as s,height as i,create as o}from"../../../../../geometry/support/aaBoundingRect.js";import{getInfo as n}from"../../../../../geometry/support/spatialReferenceUtils.js";import{Tile as r}from"./Tile.js";import l from"../../../tiling/TileCoverage.js";import h from"../../../tiling/TileKey.js";const d={added:[],removed:[]},a=new Set,c=new h(0,0,0,0);function m(e,t){const s=n(t);if(!s)return null;const[i,r]=s.valid;return e[2]>r?[o([e[0],e[1],r,e[3]]),o([i,e[1],i+e[2]-r,e[3]])]:e[0]<i?[o([i,e[1],e[2],e[3]]),o([r-(i-e[0]),e[1],r,e[3]])]:null}class u extends e{constructor(e){super(),this._tiles=new Map,this._index=t(9,has("esri-csp-restrictions")?e=>({minX:e.bounds[0],minY:e.bounds[1],maxX:e.bounds[2],maxY:e.bounds[3]}):[".bounds[0]",".bounds[1]",".bounds[2]",".bounds[3]"]),this.tiles=[],this.tileScheme=e}destroy(){this.clear()}clear(){this.tiles.length=0,this._tiles.clear(),this._index.clear()}has(e){return this._tiles.has(e)}get(e){return this._tiles.get(e)}getIntersectingTiles(e){if(!e||0===s(e)||0===i(e))return[];const t=m(e,this.tileScheme.spatialReference);return null!=t?[...new Set([...this.boundsIntersections(t[0]),...this.boundsIntersections(t[1])])]:this.boundsIntersections(e)}boundsIntersections(e){return this._index.search({minX:e[0],minY:e[1],maxX:e[2],maxY:e[3]})}updateTiles(e){const t={added:[],removed:[]};for(const s of e.added)if(!this.has(s)){const e=new r(this.tileScheme,s);this._tiles.set(s,e),this._index.insert(e),t.added.push(e)}for(const s of e.removed)if(this.has(s)){const e=this.get(s);this._tiles.delete(s),this._index.remove(e),t.removed.push(e)}this.tiles.length=0,this._tiles.forEach((e=>this.tiles.push(e))),(t.added.length||t.removed.length)&&this.emit("update",t)}setViewState(e){const t=this.tileScheme.getTileCoverage(e,0);if(!t)return;const{spans:s,lodInfo:i}=t,{level:o}=i;if(s.length>0)for(const{row:n,colFrom:l,colTo:h}of s)for(let e=l;e<=h;e++){const t=c.set(o,n,i.normalizeCol(e),i.getWorldForColumn(e)).id;if(a.add(t),!this.has(t)){const e=new r(this.tileScheme,t);this._tiles.set(t,e),this._index.insert(e),this.tiles.push(e),d.added.push(e)}}for(let n=this.tiles.length-1;n>=0;n--){const e=this.tiles[n];a.has(e.id)||(this._tiles.delete(e.id),this.tiles.splice(n,1),this._index.remove(e),d.removed.push(e))}(d.added.length||d.removed.length)&&this.emit("update",d),l.pool.release(t),a.clear(),d.added.length=0,d.removed.length=0}}export{u as default};