https://natuurinclusievelandbouw.eu/_nuxt/BX9pZ6X6.js

1import{B as re}from"./B2c5_Eok.js";const O=new Int32Array([0,1,8,16,9,2,3,10,17,24,32,25,18,11,4,5,12,19,26,33,40,48,41,34,27,20,13,6,7,14,21,28,35,42,49,56,57,50,43,36,29,22,15,23,30,37,44,51,58,59,52,45,38,31,39,46,53,60,61,54,47,55,62,63]),Y=4017,Z=799,$=3406,N=2276,Q=1567,W=3784,R=5793,K=2896;function ne(q,l){let o=0;const u=[];let T=16;for(;T>0&&!q[T-1];)--T;u.push({children:[],index:0});let w=u[0],C;for(let t=0;t<T;t++){for(let h=0;h<q[t];h++){for(w=u.pop(),w.children[w.index]=l[o];w.index>0;)w=u.pop();for(w.index++,u.push(w);u.length<=t;)u.push(C={children:[],index:0}),w.children[w.index]=C.children,w=C;o++}t+1<T&&(u.push(C={children:[],index:0}),w.children[w.index]=C.children,w=C)}return u[0].children}function ce(q,l,o,u,T,w,C,t,h){const{mcusPerLine:F,progressive:c}=o,r=l;let b=l,i=0,d=0;function m(){if(d>0)return d--,i>>d&1;if(i=q[b++],i===255){const a=q[b++];if(a)throw new Error(`unexpected marker: ${(i<<8|a).toString(16)}`)}return d=7,i>>>7}function x(a){let f=a,p;for(;(p=m())!==null;){if(f=f[p],typeof f=="number")return f;if(typeof f!="object")throw new Error("invalid huffman sequence")}return null}function E(a){let f=a,p=0;for(;f>0;){const L=m();if(L===null)return;p=p<<1|L,--f}return p}function k(a){const f=E(a);return f>=1<<a-1?f:f+(-1<<a)+1}function A(a,f){const p=x(a.huffmanTableDC),L=p===0?0:k(p);a.pred+=L,f[0]=a.pred;let D=1;for(;D<64;){const P=x(a.huffmanTableAC),y=P&15,S=P>>4;if(y===0){if(S<15)break;D+=16}else{D+=S;const I=O[D];f[I]=k(y),D++}}}function v(a,f){const p=x(a.huffmanTableDC),L=p===0?0:k(p)<<h;a.pred+=L,f[0]=a.pred}function s(a,f){f[0]|=m()<<h}let n=0;function g(a,f){if(n>0){n--;return}let p=w;const L=C;for(;p<=L;){const D=x(a.huffmanTableAC),P=D&15,y=D>>4;if(P===0){if(y<15){n=E(y)+(1<<y)-1;break}p+=16}else{p+=y;const S=O[p];f[S]=k(P)*(1<<h),p++}}}let e=0,_;function te(a,f){let p=w;const L=C;let D=0;for(;p<=L;){const P=O[p],y=f[P]<0?-1:1;switch(e){case 0:{const S=x(a.huffmanTableAC),I=S&15;if(D=S>>4,I===0)D<15?(n=E(D)+(1<<D),e=4):(D=16,e=1);else{if(I!==1)throw new Error("invalid ACn encoding");_=k(I),e=D?2:3}continue}case 1:case 2:f[P]?f[P]+=(m()<<h)*y:(D--,D===0&&(e=e===2?3:0));break;case 3:f[P]?f[P]+=(m()<<h)*y:(f[P]=_<<h,e=0);break;case 4:f[P]&&(f[P]+=(m()<<h)*y);break}p++}e===4&&(n--,n===0&&(e=0))}function se(a,f,p,L,D){const P=p/F|0,y=p%F,S=P*a.v+L,I=y*a.h+D;f(a,a.blocks[S][I])}function oe(a,f,p){const L=p/a.blocksPerLine|0,D=p%a.blocksPerLine;f(a,a.blocks[L][D])}const V=u.length;let U,j,G,X,B,H;c?w===0?H=t===0?v:s:H=t===0?g:te:H=A;let M=0,z,J;V===1?J=u[0].blocksPerLine*u[0].blocksPerColumn:J=F*o.mcusPerColumn;const ee=T||J;for(;M<J;){for(j=0;j<V;j++)u[j].pred=0;if(n=0,V===1)for(U=u[0],B=0;B<ee;B++)oe(U,H,M),M++;else for(B=0;B<ee;B++){for(j=0;j<V;j++){U=u[j];const{h:a,v:f}=U;for(G=0;G<f;G++)for(X=0;X<a;X++)se(U,H,M,G,X)}if(M++,M===J)break}if(d=0,z=q[b]<<8|q[b+1],z<65280)throw new Error("marker was not found");if(z>=65488&&z<=65495)b+=2;else break}return b-r}function ie(q,l){const o=[],{blocksPerLine:u,blocksPerColumn:T}=l,w=u<<3,C=new Int32Array(64),t=new Uint8Array(64);function h(F,c,r){const b=l.quantizationTable;let i,d,m,x,E,k,A,v,s;const n=r;let g;for(g=0;g<64;g++)n[g]=F[g]*b[g];for(g=0;g<8;++g){const e=8*g;if(n[1+e]===0&&n[2+e]===0&&n[3+e]===0&&n[4+e]===0&&n[5+e]===0&&n[6+e]===0&&n[7+e]===0){s=R*n[0+e]+512>>10,n[0+e]=s,n[1+e]=s,n[2+e]=s,n[3+e]=s,n[4+e]=s,n[5+e]=s,n[6+e]=s,n[7+e]=s;continue}i=R*n[0+e]+128>>8,d=R*n[4+e]+128>>8,m=n[2+e],x=n[6+e],E=K*(n[1+e]-n[7+e])+128>>8,v=K*(n[1+e]+n[7+e])+128>>8,k=n[3+e]<<4,A=n[5+e]<<4,s=i-d+1>>1,i=i+d+1>>1,d=s,s=m*W+x*Q+128>>8,m=m*Q-x*W+128>>8,x=s,s=E-A+1>>1,E=E+A+1>>1,A=s,s=v+k+1>>1,k=v-k+1>>1,v=s,s=i-x+1>>1,i=i+x+1>>1,x=s,s=d-m+1>>1,d=d+m+1>>1,m=s,s=E*N+v*$+2048>>12,E=E*$-v*N+2048>>12,v=s,s=k*Z+A*Y+2048>>12,k=k*Y-A*Z+2048>>12,A=s,n[0+e]=i+v,n[7+e]=i-v,n[1+e]=d+A,n[6+e]=d-A,n[2+e]=m+k,n[5+e]=m-k,n[3+e]=x+E,n[4+e]=x-E}for(g=0;g<8;++g){const e=g;if(n[8+e]===0&&n[16+e]===0&&n[24+e]===0&&n[32+e]===0&&n[40+e]===0&&n[48+e]===0&&n[56+e]===0){s=R*r[g+0]+8192>>14,n[0+e]=s,n[8+e]=s,n[16+e]=s,n[24+e]=s,n[32+e]=s,n[40+e]=s,n[48+e]=s,n[56+e]=s;continue}i=R*n[0+e]+2048>>12,d=R*n[32+e]+2048>>12,m=n[16+e],x=n[48+e],E=K*(n[8+e]-n[56+e])+2048>>12,v=K*(n[8+e]+n[56+e])+2048>>12,k=n[24+e],A=n[40+e],s=i-d+1>>1,i=i+d+1>>1,d=s,s=m*W+x*Q+2048>>12,m=m*Q-x*W+2048>>12,x=s,s=E-A+1>>1,E=E+A+1>>1,A=s,s=v+k+1>>1,k=v-k+1>>1,v=s,s=i-x+1>>1,i=i+x+1>>1,x=s,s=d-m+1>>1,d=d+m+1>>1,m=s,s=E*N+v*$+2048>>12,E=E*$-v*N+2048>>12,v=s,s=k*Z+A*Y+2048>>12,k=k*Y-A*Z+2048>>12,A=s,n[0+e]=i+v,n[56+e]=i-v,n[8+e]=d+A,n[48+e]=d-A,n[16+e]=m+k,n[40+e]=m-k,n[24+e]=x+E,n[32+e]=x-E}for(g=0;g<64;++g){const e=128+(n[g]+8>>4);e<0?c[g]=0:e>255?c[g]=255:c[g]=e}}for(let F=0;F<T;F++){const c=F<<3;for(let r=0;r<8;r++)o.push(new Uint8Array(w));for(let r=0;r<u;r++){h(l.blocks[F][r],t,C);let b=0;const i=r<<3;for(let d=0;d<8;d++){const m=o[c+d];for(let x=0;x<8;x++)m[i+x]=t[b++]}}}return o}class le{constructor(){this.jfif=null,this.adobe=null,this.quantizationTables=[],this.huffmanTablesAC=[],this.huffmanTablesDC=[],this.resetFrames()}resetFrames(){this.frames=[]}parse(l){let o=0;function u(){const t=l[o]<<8|l[o+1];return o+=2,t}function T(){const t=u(),h=l.subarray(o,o+t-2);return o+=h.length,h}function w(t){let h=0,F=0,c,r;for(r in t.components)t.components.hasOwnProperty(r)&&(c=t.components[r],h<c.h&&(h=c.h),F<c.v&&(F=c.v));const b=Math.ceil(t.samplesPerLine/8/h),i=Math.ceil(t.scanLines/8/F);for(r in t.components)if(t.components.hasOwnProperty(r)){c=t.components[r];const d=Math.ceil(Math.ceil(t.samplesPerLine/8)*c.h/h),m=Math.ceil(Math.ceil(t.scanLines/8)*c.v/F),x=b*c.h,E=i*c.v,k=[];for(let A=0;A<E;A++){const v=[];for(let s=0;s<x;

1s++)v.push(new Int32Array(64));k.push(v)}c.blocksPerLine=d,c.blocksPerColumn=m,c.blocks=k}t.maxH=h,t.maxV=F,t.mcusPerLine=b,t.mcusPerColumn=i}let C=u();if(C!==65496)throw new Error("SOI not found");for(C=u();C!==65497;){switch(C){case 65280:break;case 65504:case 65505:case 65506:case 65507:case 65508:case 65509:case 65510:case 65511:case 65512:case 65513:case 65514:case 65515:case 65516:case 65517:case 65518:case 65519:case 65534:{const t=T();C===65504&&t[0]===74&&t[1]===70&&t[2]===73&&t[3]===70&&t[4]===0&&(this.jfif={version:{major:t[5],minor:t[6]},densityUnits:t[7],xDensity:t[8]<<8|t[9],yDensity:t[10]<<8|t[11],thumbWidth:t[12],thumbHeight:t[13],thumbData:t.subarray(14,14+3*t[12]*t[13])}),C===65518&&t[0]===65&&t[1]===100&&t[2]===111&&t[3]===98&&t[4]===101&&t[5]===0&&(this.adobe={version:t[6],flags0:t[7]<<8|t[8],flags1:t[9]<<8|t[10],transformCode:t[11]});break}case 65499:{const h=u()+o-2;for(;o<h;){const F=l[o++],c=new Int32Array(64);if(F>>4===0)for(let r=0;r<64;r++){const b=O[r];c[b]=l[o++]}else if(F>>4===1)for(let r=0;r<64;r++){const b=O[r];c[b]=u()}else throw new Error("DQT: invalid table spec");this.quantizationTables[F&15]=c}break}case 65472:case 65473:case 65474:{u();const t={extended:C===65473,progressive:C===65474,precision:l[o++],scanLines:u(),samplesPerLine:u(),components:{},componentsOrder:[]},h=l[o++];let F;for(let c=0;c<h;c++){F=l[o];const r=l[o+1]>>4,b=l[o+1]&15,i=l[o+2];t.componentsOrder.push(F),t.components[F]={h:r,v:b,quantizationIdx:i},o+=3}w(t),this.frames.push(t);break}case 65476:{const t=u();for(let h=2;h<t;){const F=l[o++],c=new Uint8Array(16);let r=0;for(let i=0;i<16;i++,o++)c[i]=l[o],r+=c[i];const b=new Uint8Array(r);for(let i=0;i<r;i++,o++)b[i]=l[o];h+=17+r,F>>4===0?this.huffmanTablesDC[F&15]=ne(c,b):this.huffmanTablesAC[F&15]=ne(c,b)}break}case 65501:u(),this.resetInterval=u();break;case 65498:{u();const t=l[o++],h=[],F=this.frames[0];for(let d=0;d<t;d++){const m=F.components[l[o++]],x=l[o++];m.huffmanTableDC=this.huffmanTablesDC[x>>4],m.huffmanTableAC=this.huffmanTablesAC[x&15],h.push(m)}const c=l[o++],r=l[o++],b=l[o++],i=ce(l,o,F,h,this.resetInterval,c,r,b>>4,b&15);o+=i;break}case 65535:l[o]!==255&&o--;break;default:if(l[o-3]===255&&l[o-2]>=192&&l[o-2]<=254){o-=3;break}throw new Error(`unknown JPEG marker ${C.toString(16)}`)}C=u()}}getResult(){const{frames:l}=this;if(this.frames.length===0)throw new Error("no frames were decoded");this.frames.length>1&&console.warn("more than one frame is not supported");for(let c=0;c<this.frames.length;c++){const r=this.frames[c].components;for(const b of Object.keys(r))r[b].quantizationTable=this.quantizationTables[r[b].quantizationIdx],delete r[b].quantizationIdx}const o=l[0],{components:u,componentsOrder:T}=o,w=[],C=o.samplesPerLine,t=o.scanLines;for(let c=0;c<T.length;c++){const r=u[T[c]];w.push({lines:ie(o,r),scaleX:r.h/o.maxH,scaleY:r.v/o.maxV})}const h=new Uint8Array(C*t*w.length);let F=0;for(let c=0;c<t;++c)for(let r=0;r<C;++r)for(let b=0;b<w.length;++b){const i=w[b];h[F]=i.lines[0|c*i.scaleY][0|r*i.scaleX],++F}return h}}class fe extends re{constructor(l){super(),this.reader=new le,l.JPEGTables&&this.reader.parse(l.JPEGTables)}decodeBlock(l){return this.reader.resetFrames(),this.reader.parse(new Uint8Array(l)),this.reader.getResult().buffer}}export{fe as default};