@arcgis/core/layers/graphics/OptimizedGeometry.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/4.33/esri/copyright.txt for details.
*/
import{estimateNumberArrayMemory as t}from"../../core/memoryEstimations.js";const s=2;class e{constructor(t=[],s=[]){this.lengths=t??[],this.coords=s??[]}static fromJSON(t){return new e(t.lengths,t.coords)}static fromRect(t){const[s,o,r,h]=t,n=r-s,i=h-o;return new e([5],[s,o,n,0,0,i,-n,0,0,-i])}get isPoint(){return 0===this.lengths.length&&this.coords.length>=2}get maxLength(){return Math.max(...this.lengths)}get size(){return this.lengths.reduce(((t,s)=>t+s))}get usedMemory(){return 64+t(this.lengths,this.coords)}area(){let t=0,e=0;if(!this.lengths.length)return 0;for(let o=0;o<this.lengths.length;o++){const r=this.lengths[o];if(r<3)continue;let h=this.coords[s*e],n=this.coords[s*e+1];for(let o=1;o<r;o+=1){const r=this.coords[s*(o+e)],i=this.coords[s*(o+e)+1];t+=-.5*(r-h)*(i+n),h=r,n=i}e+=r}return t}forEachVertex(t){let e=0;this.lengths.length||t(this.coords[0],this.coords[1]);for(let o=0;o<this.lengths.length;o++){const r=this.lengths[o];for(let o=0;o<r;o++){t(this.coords[s*(o+e)],this.coords[s*(o+e)+1])}e+=r}}deltaDecode(){const t=this.clone(),{coords:s,lengths:e}=t;let o=0;for(const r of e){for(let t=1;t<r;t++)s[2*(o+t)]+=s[2*(o+t)-2],s[2*(o+t)+1]+=s[2*(o+t)-1];o+=r}return t}clone(t){if(0===this.lengths.length)return new e([],[this.coords[0],this.coords[1]]);const o=(0===this.lengths.length?1:this.lengths.reduce(((t,s)=>t+s)))*s,r=this.coords.slice(0,o);return t?(t.set(r),new e(this.lengths,t)):new e(Array.from(this.lengths),Array.from(r))}}export{e as default};