@arcgis/core/layers/support/rasterDatasets/RawBlockCache.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 e from"../../../geometry/Point.js";import n from"./EphemeralBlockCache.js";import{projectExtent as t,projectResolution as o,snapPyramid as l}from"../rasterFunctions/rasterProjectionHelper.js";const r=new Map,c=new n;function i(e,n,t){const o=[];return null!=n&&o.push(`sliceId=${n}`),null!=t&&o.push(`bandIds=${t.join(",")}`),o.length?`${e}?${o.join("&")}`:e}function u(e,n){const t={extent:null,rasterInfo:n,cache:new Map},o=r.get(e);return o?(o.push(t),o.length-1):(r.set(e,[t]),0)}function a(e,n){const t=r.get(e);t&&(t[n]=null,t.some((e=>null!=e))||r.delete(e))}function f(e){r.delete(e)}function s(e,n,t){const o=r.get(e);if(!o)return null==n?c.decreaseRefCount(e,t):0;if(null==n||null==o[n])return c.decreaseRefCount(e,t);const l=o[n]?.cache,i=l?.get(t);if(l&&i){if(i.refCount--,0===i.refCount){l.delete(t);for(let e=0;e<o.length;e++)o[e]?.cache.delete(t);i.controller&&i.controller.abort()}return i.refCount}return 0}function m(e,n,t){const o=r.get(e);if(!o)return null==n?c.getBlock(e,t):null;if(null==n||null==o[n]){for(let e=0;e<o.length;e++){const n=o[e]?.cache.get(t);if(n)return n.refCount++,n.block}return c.getBlock(e,t)}const l=o[n]?.cache.get(t);if(l)return l.refCount++,l.block;for(let r=0;r<o.length;r++){if(r===n||!o[r])continue;const e=o[r]?.cache,l=e?.get(t);if(e&&l)return l.refCount++,e.set(t,l),l.block}return null}function h(e,n,t,o,l=null){const i=r.get(e);if(!i)return void(null==n&&c.putBlock(e,t,o,l));if(null==n||null==i[n])return void c.putBlock(e,t,o,l);const u={refCount:1,block:o,isResolved:!1,isRejected:!1,controller:l};o.then((()=>u.isResolved=!0)).catch((()=>u.isRejected=!0)),i[n]?.cache.set(t,u)}function x(e,n,t){const o=r.get(e);o?null!=n&&null!=o[n]?o[n]?.cache.delete(t):c.deleteBlock(e,t):null==n&&c.deleteBlock(e,t)}function d(e,n){const t=r.get(e);return t?t[n]??null:null}function g(n,r,c,i,u,a,f=null){const s=d(n,r);if(!s)return;const m=s.extent,{cache:h,rasterInfo:x}=s;if(m&&m.xmin===c.xmin&&m.xmax===c.xmax&&m.ymin===c.ymin&&m.ymax===c.ymax)return;i=i??0;const g=c.clone().normalize(),{spatialReference:p,transform:y}=x,k=new Set;for(let d=0;d<g.length;d++){const n=g[d];if(n.xmax-n.xmin<=i||n.ymax-n.ymin<=i)continue;let r=t(n,p,f);if(null==r)continue;if(null!=y&&(r=y.inverseTransform(r),null==r))continue;const c=new e({x:i,y:i,spatialReference:n.spatialReference});if(null==u&&!(u=o(c,p,n,f)))return;const{pyramidLevel:s,pyramidResolution:m,excessiveReading:h}=l(u,x,a||"closest");if(h)return;const{storageInfo:M}=x,{origin:R}=M,{x:C,y:B}=m,b=Math.max(0,Math.floor((r.xmin-R.x)/C)),j=Math.max(0,Math.floor((R.y-r.ymax)/B)),v=Math.ceil(r.width/C-.1),w=Math.ceil(r.height/B-.1),$=s>0?M.pyramidBlockWidth:M.blockWidth,I=s>0?M.pyramidBlockHeight:M.blockHeight,H=M.blockBoundary[s];if(!H)continue;const E=1,P=Math.max(H.minCol,Math.floor(b/$)-E),W=Math.max(H.minRow,Math.floor(j/I)-E),z=Math.min(H.maxCol,Math.floor((b+v-1)/$)+E),F=Math.min(H.maxRow,Math.floor((j+w-1)/I)+E);for(let e=W;e<=F;e++)for(let n=P;n<=z;n++)k.add(`${s}/${e}/${n}`)}h.forEach(((e,n)=>{if(!k.has(n)){const e=h.get(n);(null==e||e.isResolved||e.isRejected)&&h.delete(n)}})),s.extent={xmin:c.xmin,ymin:c.ymin,xmax:c.xmax,ymax:c.ymax}}export{s as decreaseRefCount,x as deleteBlock,f as deleteRaster,m as getBlock,i as getRasterId,h as putBlock,u as register,a as unregister,g as update};