@arcgis/core
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ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API
3 lines (2 loc) • 728 B
JavaScript
/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import{J as t}from"../../../chunks/Jpg.js";import{Z as e}from"../../../chunks/Zlib.js";class r{static decode(r,n=!1){const s=new Uint8Array(r),l=new t;l.parse(s);const{width:o,height:a,numComponents:i,eof:f}=l,h=l.getData(o,a,!0),c=o*a;let u,g=null;if(!n&&f<s.length-1)try{const t=new e(s.subarray(f)).getBytes();g=new Uint8Array(c);let r=0;for(let e=0;e<t.length;e++)for(let n=7;n>=0;n--)g[r++]=t[e]>>n&1}catch{}if(1===i&&h.length===o*a){const t=new Uint8Array(h.buffer);u=[t,t,t]}else{u=[];for(let e=0;e<3;e++)u.push(new Uint8Array(c));let t=0;for(let e=0;e<c;e++)for(let r=0;r<3;r++)u[r][e]=h[t++]}return{width:o,height:a,pixels:u,mask:g}}}export{r as default};