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securityos/node_modules/utif/UTIF.js

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102 KiB
JavaScript
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First commit
2024-09-06 15:32:35 +00:00
;(function(){
var UTIF = {};
// Make available for import by `require()`
if (typeof module == "object") {module.exports = UTIF;}
else {self.UTIF = UTIF;}
function log() { if (typeof process=="undefined" || process.env.NODE_ENV=="development") console.log.apply(console, arguments); }
(function(UTIF){
// Following lines add a JPEG decoder to UTIF.JpegDecoder
(function(){"use strict";var W=function a1(){function W(p){this.message="JPEG error: "+p}W.prototype=new Error;W.prototype.name="JpegError";W.constructor=W;return W}(),ak=function ag(){var p=new Uint8Array([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]),t=4017,ac=799,ah=3406,ao=2276,ar=1567,ai=3784,s=5793,ad=2896;function ak(Q){if(Q==null)Q={};if(Q.w==null)Q.w=-1;this.V=Q.n;this.N=Q.w}function a5(Q,h){var f=0,G=[],n,E,a=16,F;while(a>0&&!Q[a-1]){a--}G.push({children:[],index:0});var C=G[0];for(n=0;n<a;n++)
{for(E=0;E<Q[n];E++){C=G.pop();C.children[C.index]=h[f];while(C.index>0){C=G.pop()}C.index++;G.push(C);while(G.length<=n){G.push(F={children:[],index:0});C.children[C.index]=F.children;C=F}f++}if(n+1<a){G.push(F={children:[],index:0});C.children[C.index]=F.children;C=F}}return G[0].children}function a2(Q,h,f){return 64*((Q.P+1)*h+f)}function a7(Q,h,f,G,n,E,a,C,F,d){if(d==null)d=!1;var T=f.m,U=f.Z,z=h,J=0,V=0,r=0,D=0,a8,q=0,X,O,_,N,e,K,x=0,k,g,R,c;function Y(){if(V>0){V--;return J>>V&1}J=Q[h++];if(J===255){var I=Q[h++];if(I){if(I===220&&d){h+=2;var l=Z(Q,h);h+=2;if(l>0&&l!==f.s){throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data",l)}}else if(I===217){if(d){var M=q*8;
if(M>0&&M<f.s/10){throw new DNLMarkerError("Found EOI marker (0xFFD9) while parsing scan data, "+"possibly caused by incorrect `scanLines` parameter",M)}}throw new EOIMarkerError("Found EOI marker (0xFFD9) while parsing scan data")}throw new W("unexpected marker")}}V=7;return J>>>7}function u(I){var l=I;while(!0){l=l[Y()];switch(typeof l){case"number":return l;case"object":continue}throw new W("invalid huffman sequence")}}function m(I){var e=0;while(I>0){e=e<<1|Y();I--}return e}function j(I){if(I===1){return Y()===1?1:-1}var e=m(I);if(e>=1<<I-1){return e}return e+(-1<<I)+1}function v(X,I){var l=u(X.J),M=l===0?0:j(l),N=1;
X.D[I]=X.Q+=M;while(N<64){var S=u(X.i),i=S&15,A=S>>4;if(i===0){if(A<15){break}N+=16;continue}N+=A;var o=p[N];X.D[I+o]=j(i);N++}}function $(X,I){var l=u(X.J),M=l===0?0:j(l)<<F;X.D[I]=X.Q+=M}function b(X,I){X.D[I]|=Y()<<F}function P(X,I){if(r>0){r--;return}var N=E,l=a;while(N<=l){var M=u(X.i),S=M&15,i=M>>4;if(S===0){if(i<15){r=m(i)+(1<<i)-1;break}N+=16;continue}N+=i;var A=p[N];X.D[I+A]=j(S)*(1<<F);N++}}function a4(X,I){var N=E,l=a,M=0,S,i;while(N<=l){var A=I+p[N],o=X.D[A]<0?-1:1;switch(D){case 0:i=u(X.i);S=i&15;M=i>>4;if(S===0){if(M<15){r=m(M)+(1<<M);D=4}else{M=16;D=1}}else{if(S!==1){throw new W("invalid ACn encoding")}a8=j(S);D=M?2:3}continue;case 1:case 2:if(X.D[A]){X.D[A]+=o*(Y()<<F)}else{M--;if(M===0){D=D===2?3:0}}break;case 3:if(X.D[A]){X.D[A]+=o*(Y()<<F)}else{X.D[A]=a8<<F;
D=0}break;case 4:if(X.D[A]){X.D[A]+=o*(Y()<<F)}break}N++}if(D===4){r--;if(r===0){D=0}}}function H(X,I,x,l,M){var S=x/T|0,i=x%T;q=S*X.A+l;var A=i*X.h+M,o=a2(X,q,A);I(X,o)}function w(X,I,x){q=x/X.P|0;var l=x%X.P,M=a2(X,q,l);I(X,M)}var y=G.length;if(U){if(E===0){K=C===0?$:b}else{K=C===0?P:a4}}else{K=v}if(y===1){g=G[0].P*G[0].c}else{g=T*f.R}while(x<=g){var L=n?Math.min(g-x,n):g;if(L>0){for(O=0;O<y;O++){G[O].Q=0}r=0;if(y===1){X=G[0];for(e=0;e<L;e++){w(X,K,x);x++}}else{for(e=0;e<L;
e++){for(O=0;O<y;O++){X=G[O];R=X.h;c=X.A;for(_=0;_<c;_++){for(N=0;N<R;N++){H(X,K,x,_,N)}}}x++}}}V=0;k=an(Q,h);if(!k){break}if(k.u){var a6=L>0?"unexpected":"excessive";h=k.offset}if(k.M>=65488&&k.M<=65495){h+=2}else{break}}return h-z}function al(Q,h,f){var G=Q.$,n=Q.D,E,a,C,F,d,T,U,z,J,V,Y,u,m,j,v,$,b;if(!G){throw new W("missing required Quantization Table.")}for(var r=0;r<64;r+=8){J=n[h+r];V=n[h+r+1];Y=n[h+r+2];u=n[h+r+3];m=n[h+r+4];j=n[h+r+5];v=n[h+r+6];$=n[h+r+7];J*=G[r];if((V|Y|u|m|j|v|$)===0){b=s*J+512>>10;f[r]=b;f[r+1]=b;f[r+2]=b;f[r+3]=b;f[r+4]=b;f[r+5]=b;f[r+6]=b;f[r+7]=b;continue}V*=G[r+1];Y*=G[r+2];u*=G[r+3];m*=G[r+4];j*=G[r+5];v*=G[r+6];$*=G[r+7];E=s*J+128>>8;a=s*m+128>>8;C=Y;F=v;d=ad*(V-$)+128>>8;z=ad*(V+$)+128>>8;
T=u<<4;U=j<<4;E=E+a+1>>1;a=E-a;b=C*ai+F*ar+128>>8;C=C*ar-F*ai+128>>8;F=b;d=d+U+1>>1;U=d-U;z=z+T+1>>1;T=z-T;E=E+F+1>>1;F=E-F;a=a+C+1>>1;C=a-C;b=d*ao+z*ah+2048>>12;d=d*ah-z*ao+2048>>12;z=b;b=T*ac+U*t+2048>>12;T=T*t-U*ac+2048>>12;U=b;f[r]=E+z;f[r+7]=E-z;f[r+1]=a+U;f[r+6]=a-U;f[r+2]=C+T;f[r+5]=C-T;f[r+3]=F+d;f[r+4]=F-d}for(var P=0;P<8;++P){J=f[P];V=f[P+8];Y=f[P+16];u=f[P+24];m=f[P+32];j=f[P+40];v=f[P+48];$=f[P+56];if((V|Y|u|m|j|v|$)===0){b=s*J+8192>>14;if(b<-2040){b=0}else if(b>=2024){b=255}else{b=b+2056>>4}n[h+P]=b;n[h+P+8]=b;n[h+P+16]=b;n[h+P+24]=b;n[h+P+32]=b;n[h+P+40]=b;n[h+P+48]=b;n[h+P+56]=b;continue}E=s*J+2048>>12;a=s*m+2048>>12;C=Y;F=v;d=ad*(V-$)+2048>>12;z=ad*(V+$)+2048>>12;T=u;U=j;E=(E+a+1>>1)+4112;a=E-a;b=C*ai+F*ar+2048>>12;C=C*ar-F*ai+2048>>12;F=b;d=d+U+1>>1;U=d-U;z=z+T+1>>1;T=z-T;E=E+F+1>>1;F=E-F;a=a+C+1>>1;C=a-C;b=d*ao+z*ah+2048>>12;d=d*ah-z*ao+2048>>12;z=b;
b=T*ac+U*t+2048>>12;T=T*t-U*ac+2048>>12;U=b;J=E+z;$=E-z;V=a+U;v=a-U;Y=C+T;j=C-T;u=F+d;m=F-d;if(J<16){J=0}else if(J>=4080){J=255}else{J>>=4}if(V<16){V=0}else if(V>=4080){V=255}else{V>>=4}if(Y<16){Y=0}else if(Y>=4080){Y=255}else{Y>>=4}if(u<16){u=0}else if(u>=4080){u=255}else{u>>=4}if(m<16){m=0}else if(m>=4080){m=255}else{m>>=4}if(j<16){j=0}else if(j>=4080){j=255}else{j>>=4}if(v<16){v=0}else if(v>=4080){v=255}else{v>>=4}if($<16){$=0}else if($>=4080){$=255}else{$>>=4}n[h+P]=J;
n[h+P+8]=V;n[h+P+16]=Y;n[h+P+24]=u;n[h+P+32]=m;n[h+P+40]=j;n[h+P+48]=v;n[h+P+56]=$}}function a0(Q,h){var f=h.P,G=h.c,n=new Int16Array(64);for(var E=0;E<G;E++){for(var a=0;a<f;a++){var C=a2(h,E,a);al(h,C,n)}}return h.D}function an(Q,h,f){if(f==null)f=h;var G=Q.length-1,n=f<h?f:h;if(h>=G){return null}var E=Z(Q,h);if(E>=65472&&E<=65534){return{u:null,M:E,offset:h}}var a=Z(Q,n);while(!(a>=65472&&a<=65534)){if(++n>=G){return null}a=Z(Q,n)}return{u:E.toString(16),M:a,offset:n}}ak.prototype={parse(Q,h){if(h==null)h={};
var f=h.F,E=0,a=null,C=null,F,d,T=0;function G(){var o=Z(Q,E);E+=2;var B=E+o-2,V=an(Q,B,E);if(V&&V.u){B=V.offset}var ab=Q.subarray(E,B);E+=ab.length;return ab}function n(F){var o=Math.ceil(F.o/8/F.X),B=Math.ceil(F.s/8/F.B);for(var Y=0;Y<F.W.length;Y++){R=F.W[Y];var ab=Math.ceil(Math.ceil(F.o/8)*R.h/F.X),af=Math.ceil(Math.ceil(F.s/8)*R.A/F.B),ap=o*R.h,aq=B*R.A,ae=64*aq*(ap+1);R.D=new Int16Array(ae);R.P=ab;R.c=af}F.m=o;F.R=B}var U=[],z=[],J=[],V=Z(Q,E);E+=2;if(V!==65496){throw new W("SOI not found")}V=Z(Q,E);
E+=2;markerLoop:while(V!==65497){var Y,u,m;switch(V){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:var j=G();if(V===65504){if(j[0]===74&&j[1]===70&&j[2]===73&&j[3]===70&&j[4]===0){a={version:{d:j[5],T:j[6]},K:j[7],j:j[8]<<8|j[9],H:j[10]<<8|j[11],S:j[12],I:j[13],C:j.subarray(14,14+3*j[12]*j[13])}}}if(V===65518){if(j[0]===65&&j[1]===100&&j[2]===111&&j[3]===98&&j[4]===101){C={version:j[5]<<8|j[6],k:j[7]<<8|j[8],q:j[9]<<8|j[10],a:j[11]}}}break;
case 65499:var v=Z(Q,E),b;E+=2;var $=v+E-2;while(E<$){var r=Q[E++],P=new Uint16Array(64);if(r>>4===0){for(u=0;u<64;u++){b=p[u];P[b]=Q[E++]}}else if(r>>4===1){for(u=0;u<64;u++){b=p[u];P[b]=Z(Q,E);E+=2}}else{throw new W("DQT - invalid table spec")}U[r&15]=P}break;case 65472:case 65473:case 65474:if(F){throw new W("Only single frame JPEGs supported")}E+=2;F={};F.G=V===65473;F.Z=V===65474;F.precision=Q[E++];var D=Z(Q,E),a4,q=0,H=0;E+=2;F.s=f||D;F.o=Z(Q,E);E+=2;F.W=[];F._={};var a8=Q[E++];for(Y=0;Y<a8;Y++){a4=Q[E];var w=Q[E+1]>>4,y=Q[E+1]&15;if(q<w){q=w}if(H<y){H=y}var X=Q[E+2];m=F.W.push({h:w,A:y,L:X,$:null});F._[a4]=m-1;E+=3}F.X=q;F.B=H;n(F);break;case 65476:var O=Z(Q,E);E+=2;
for(Y=2;Y<O;){var _=Q[E++],N=new Uint8Array(16),e=0;for(u=0;u<16;u++,E++){e+=N[u]=Q[E]}var K=new Uint8Array(e);for(u=0;u<e;u++,E++){K[u]=Q[E]}Y+=17+e;(_>>4===0?J:z)[_&15]=a5(N,K)}break;case 65501:E+=2;d=Z(Q,E);E+=2;break;case 65498:var x=++T===1&&!f,R;E+=2;var k=Q[E++],g=[];for(Y=0;Y<k;Y++){var c=Q[E++],L=F._[c];R=F.W[L];R.index=c;var a6=Q[E++];R.J=J[a6>>4];R.i=z[a6&15];g.push(R)}var I=Q[E++],l=Q[E++],M=Q[E++];try{var S=a7(Q,E,F,g,d,I,l,M>>4,M&15,x);E+=S}catch(ex){if(ex instanceof DNLMarkerError){return this.parse(Q,{F:ex.s})}else if(ex instanceof EOIMarkerError){break markerLoop}throw ex}break;case 65500:E+=4;break;case 65535:if(Q[E]!==255){E--}break;default:var i=an(Q,E-2,E-3);if(i&&i.u){E=i.offset;break}if(E>=Q.length-1){break markerLoop}throw new W("JpegImage.parse - unknown marker: "+V.toString(16))}V=Z(Q,E);E+=2}this.width=F.o;this.height=F.s;this.g=a;this.b=C;this.W=[];for(Y=0;Y<F.W.length;Y++){R=F.W[Y];
var A=U[R.L];if(A){R.$=A}this.W.push({index:R.index,e:a0(F,R),l:R.h/F.X,t:R.A/F.B,P:R.P,c:R.c})}this.p=this.W.length;return undefined},Y(Q,h,f){if(f==null)f=!1;var G=this.width/Q,n=this.height/h,E,a,C,F,d,T,U,z,J,V,Y=0,u,m=this.W.length,j=Q*h*m,v=new Uint8ClampedArray(j),$=new Uint32Array(Q),b=4294967288,r;for(U=0;U<m;U++){E=this.W[U];a=E.l*G;C=E.t*n;Y=U;u=E.e;F=E.P+1<<3;if(a!==r){for(d=0;d<Q;d++){z=0|d*a;$[d]=(z&b)<<3|z&7}r=a}for(T=0;T<h;T++){z=0|T*C;V=F*(z&b)|(z&7)<<3;for(d=0;d<Q;d++){v[Y]=u[V+$[d]];Y+=m}}}var P=this.V;if(!f&&m===4&&!P){P=new Int32Array([-256,255,-256,255,-256,255,-256,255])}if(P){for(U=0;U<j;){for(z=0,J=0;z<m;z++,U++,J+=2){v[U]=(v[U]*P[J]>>8)+P[J+1]}}}return v},get f(){if(this.b){return!!this.b.a}if(this.p===3){if(this.N===0){return!1}else if(this.W[0].index===82&&this.W[1].index===71&&this.W[2].index===66){return!1}return!0}if(this.N===1){return!0}return!1},z:function aj(Q){var h,f,G;
for(var n=0,E=Q.length;n<E;n+=3){h=Q[n];f=Q[n+1];G=Q[n+2];Q[n]=h-179.456+1.402*G;Q[n+1]=h+135.459-.344*f-.714*G;Q[n+2]=h-226.816+1.772*f}return Q},O:function aa(Q){var h,f,G,n,E=0;for(var a=0,C=Q.length;a<C;a+=4){h=Q[a];f=Q[a+1];G=Q[a+2];n=Q[a+3];Q[E++]=-122.67195406894+f*(-660635669420364e-19*f+.000437130475926232*G-54080610064599e-18*h+.00048449797120281*n-.154362151871126)+G*(-.000957964378445773*G+.000817076911346625*h-.00477271405408747*n+1.53380253221734)+h*(.000961250184130688*h-.00266257332283933*n+.48357088451265)+n*(-.000336197177618394*n+.484791561490776);
Q[E++]=107.268039397724+f*(219927104525741e-19*f-.000640992018297945*G+.000659397001245577*h+.000426105652938837*n-.176491792462875)+G*(-.000778269941513683*G+.00130872261408275*h+.000770482631801132*n-.151051492775562)+h*(.00126935368114843*h-.00265090189010898*n+.25802910206845)+n*(-.000318913117588328*n-.213742400323665);Q[E++]=-20.810012546947+f*(-.000570115196973677*f-263409051004589e-19*G+.0020741088115012*h-.00288260236853442*n+.814272968359295)+G*(-153496057440975e-19*G-.000132689043961446*h+.000560833691242812*n-.195152027534049)+h*(.00174418132927582*h-.00255243321439347*n+.116935020465145)+n*(-.000343531996510555*n+.24165260232407)}return Q.subarray(0,E)},r:function a3(Q){var h,f,G;
for(var n=0,E=Q.length;n<E;n+=4){h=Q[n];f=Q[n+1];G=Q[n+2];Q[n]=434.456-h-1.402*G;Q[n+1]=119.541-h+.344*f+.714*G;Q[n+2]=481.816-h-1.772*f}return Q},U:function as(Q){var h,f,G,n,E=0;for(var a=0,C=Q.length;a<C;a+=4){h=Q[a];f=Q[a+1];G=Q[a+2];n=Q[a+3];Q[E++]=255+h*(-6747147073602441e-20*h+.0008379262121013727*f+.0002894718188643294*G+.003264231057537806*n-1.1185611867203937)+f*(26374107616089404e-21*f-8626949158638572e-20*G-.0002748769067499491*n-.02155688794978967)+G*(-3878099212869363e-20*G-.0003267808279485286*n+.0686742238595345)-n*(.0003361971776183937*n+.7430659151342254);
Q[E++]=255+h*(.00013596372813588848*h+.000924537132573585*f+.00010567359618683593*G+.0004791864687436512*n-.3109689587515875)+f*(-.00023545346108370344*f+.0002702845253534714*G+.0020200308977307156*n-.7488052167015494)+G*(6834815998235662e-20*G+.00015168452363460973*n-.09751927774728933)-n*(.0003189131175883281*n+.7364883807733168);Q[E++]=255+h*(13598650411385308e-21*h+.00012423956175490851*f+.0004751985097583589*G-36729317476630424e-22*n-.05562186980264034)+f*(.00016141380598724676*f+.0009692239130725186*G+.0007782692450036253*n-.44015232367526463)+G*(5.068882914068769e-7*G+.0017778369011375071*n-.7591454649749609)-n*(.0003435319965105553*n+.7063770186160144)}return Q.subarray(0,E)},getData:function(Q){var h=Q.width,f=Q.height,G=Q.forceRGB,n=Q.isSourcePDF;
if(this.p>4){throw new W("Unsupported color mode")}var E=this.Y(h,f,n);if(this.p===1&&G){var a=E.length,C=new Uint8ClampedArray(a*3),F=0;for(var d=0;d<a;d++){var T=E[d];C[F++]=T;C[F++]=T;C[F++]=T}return C}else if(this.p===3&&this.f){return this.z(E)}else if(this.p===4){if(this.f){if(G){return this.O(E)}return this.r(E)}else if(G){return this.U(E)}}return E}};return ak}();function a9(p,t){return p[t]<<24>>24}function Z(p,t){return p[t]<<8|p[t+1]}function am(p,t){return(p[t]<<24|p[t+1]<<16|p[t+2]<<8|p[t+3])>>>0}UTIF.JpegDecoder=ak}());
//UTIF.JpegDecoder = PDFJS.JpegImage;
UTIF.encodeImage = function(rgba, w, h, metadata)
{
var img = new Uint8Array(rgba);
var cmpr = (window && window.pako) ? 8 : 1;
if(cmpr==8) img=pako.deflate(img);
var idf = { "t256":[w], "t257":[h], "t258":[8,8,8,8], "t259":[cmpr], "t262":[2], "t273":[1000], // strips offset
"t277":[4], "t278":[h], /* rows per strip */ "t279":[img.length], // strip byte counts
"t282":[[72,1]], "t283":[[72,1]], "t284":[1], "t286":[[0,1]], "t287":[[0,1]], "t296":[1], "t305": ["Photopea (UTIF.js)"], "t338":[1]
};
if (metadata) for (var i in metadata) idf[i] = metadata[i];
var prfx = new Uint8Array(UTIF.encode([idf]));
var data = new Uint8Array(1000+img.length);
for(var i=0; i<prfx.length; i++) data[i] = prfx[i];
for(var i=0; i<img .length; i++) data[1000+i] = img[i];
return data.buffer;
}
UTIF.encode = function(ifds)
{
var LE = false;
var data = new Uint8Array(20000), offset = 4, bin = LE ? UTIF._binLE : UTIF._binBE;
data[0]=data[1]=LE?73:77; bin.writeUshort(data,2,42);
var ifdo = 8;
bin.writeUint(data, offset, ifdo); offset+=4;
for(var i=0; i<ifds.length; i++)
{
var noffs = UTIF._writeIFD(bin, UTIF._types.basic, data, ifdo, ifds[i]);
ifdo = noffs[1];
if(i<ifds.length-1) {
if((ifdo&3)!=0) ifdo+=(4-(ifdo&3)); // make each IFD start at multiple of 4
bin.writeUint(data, noffs[0], ifdo);
}
}
return data.slice(0, ifdo).buffer;
}
UTIF.decode = function(buff, prm)
{
if(prm==null) prm = {parseMN:true, debug:false}; // read MakerNote, debug
var data = new Uint8Array(buff), offset = 0;
var id = UTIF._binBE.readASCII(data, offset, 2); offset+=2;
var bin = id=="II" ? UTIF._binLE : UTIF._binBE;
var num = bin.readUshort(data, offset); offset+=2;
var ifdo = bin.readUint(data, offset); offset+=4;
var ifds = [];
while(true) {
var cnt = bin.readUshort(data,ifdo), typ = bin.readUshort(data,ifdo+4); if(cnt!=0) if(typ<1 || 13<typ) { log("error in TIFF"); break };
UTIF._readIFD(bin, data, ifdo, ifds, 0, prm);
ifdo = bin.readUint(data, ifdo+2+cnt*12);
if(ifdo==0) break;
}
return ifds;
}
UTIF.decodeImage = function(buff, img, ifds)
{
if(img.data) return;
var data = new Uint8Array(buff);
var id = UTIF._binBE.readASCII(data, 0, 2);
if(img["t256"]==null) return; // No width => probably not an image
img.isLE = id=="II";
img.width = img["t256"][0]; //delete img["t256"];
img.height = img["t257"][0]; //delete img["t257"];
var cmpr = img["t259"] ? img["t259"][0] : 1; //delete img["t259"];
var fo = img["t266"] ? img["t266"][0] : 1; //delete img["t266"];
if(cmpr==7 && img["t258"] && img["t258"].length>3) img["t258"]=img["t258"].slice(0,3);
var bps = img["t258"]?img["t258"][0]:1;
var spp = img["t277"]?img["t277"][0]:1; //if(cmpr==7) spp=3; // jpg
var pco = img["t284"]?img["t284"][0]:1; if(spp!=3) pco=1; // planar configuration
if(pco==2) log("PlanarConfiguration 2 should not be used!");
var bipp = bps*spp; // bits per pixel
/*
var bipp; // bits per pixel
if(img["t258"]) bipp = Math.min(32,img["t258"][0])*img["t258"].length;
else bipp = (img["t277"]?img["t277"][0]:1);
*/
// Some .NEF files have t258==14, even though they use 16 bits per pixel
if(cmpr==1 && img["t279"]!=null && img["t278"] && img["t262"][0]==32803) {
bipp = Math.round((img["t279"][0]*8)/(img.width*img["t278"][0]));
}
if(img["t50885"] && img["t50885"][0]==4) bipp = img["t258"][0]*3; // RAW_CANON_40D_SRAW_V103.CR2
var bipl = Math.ceil(img.width*bipp/8)*8;
var soff = img["t273"]; if(soff==null || img["t322"]) soff = img["t324"];
var bcnt = img["t279"]; if(cmpr==1 && soff.length==1) bcnt = [img.height*(bipl>>>3)]; if(bcnt==null || img["t322"]) bcnt = img["t325"];
//bcnt[0] = Math.min(bcnt[0], data.length); // Hasselblad, "RAW_HASSELBLAD_H3D39II.3FR"
var bytes = new Uint8Array(img.height*(bipl>>>3)), bilen = 0;
if(img["t322"]!=null) // tiled
{
var tw = img["t322"][0], th = img["t323"][0];
var tx = Math.floor((img.width + tw - 1) / tw);
var ty = Math.floor((img.height + th - 1) / th);
var tbuff = new Uint8Array(Math.ceil(tw*th*bipp/8)|0);
console.log("====", tx,ty);
for(var y=0; y<ty; y++)
for(var x=0; x<tx; x++)
{
var i = y*tx+x; tbuff.fill(0);
UTIF.decode._decompress(img,ifds, data, soff[i], bcnt[i], cmpr, tbuff, 0, fo,tw,th);
// Might be required for 7 too. Need to check
if (cmpr==6) bytes = tbuff;
else UTIF._copyTile(tbuff, Math.ceil(tw*bipp/8)|0, th, bytes, Math.ceil(img.width*bipp/8)|0, img.height, Math.ceil(x*tw*bipp/8)|0, y*th);
}
bilen = bytes.length*8;
}
else // stripped
{
if(soff==null) return;
var rps = img["t278"] ? img["t278"][0] : img.height; rps = Math.min(rps, img.height);
//console.log("====", img.width, rps);
for(var i=0; i<soff.length; i++)
{
if(pco==1) {
var toff = Math.ceil(bilen/8)|0;
UTIF.decode._decompress(img,ifds, data, soff[i], bcnt[i], cmpr, bytes, toff, fo,img.width,rps);
}
else {
var ta = new Uint8Array(img.width*rps);
UTIF.decode._decompress(img,ifds, data, soff[i], bcnt[i], cmpr, ta,0, fo,img.width,rps);
var scnt = Math.ceil(soff.length/3); // strip count
var toff = (i%scnt)*img.width*rps*3, j=Math.floor(i/scnt);
for(var k=0; k<ta.length; k++) bytes[toff+k*3+j] = ta[k];
}
bilen += bipl * rps;
}
bilen = Math.min(bilen, bytes.length*8);
}
img.data = new Uint8Array(bytes.buffer, 0, Math.ceil(bilen/8)|0);
}
UTIF.decode._decompress = function(img,ifds, data, off, len, cmpr, tgt, toff, fo, w, h) // fill order
{
if(img["t271"] && img["t271"][0]=="Panasonic") {
if(img["t45"] && img["t45"][0]==6) cmpr = 34316;
else if(cmpr==34828) cmpr=1; // .RAW extension
}
//console.log("compression", cmpr);
//var time = Date.now();
if(false) {}
else if(cmpr==1/* || (len==tgt.length && cmpr!=32767)*/) for(var j=0; j<len; j++) tgt[toff+j] = data[off+j];
else if(cmpr==2) UTIF.decode._decodeG2 (data, off, len, tgt, toff, w, fo);
else if(cmpr==3) UTIF.decode._decodeG3 (data, off, len, tgt, toff, w, fo, img["t292"]?((img["t292"][0]&1)==1):false);
else if(cmpr==4) UTIF.decode._decodeG4 (data, off, len, tgt, toff, w, fo);
else if(cmpr==5) UTIF.decode._decodeLZW(data, off, len, tgt, toff,8);
else if(cmpr==6) UTIF.decode._decodeOldJPEG(img, data, off, len, tgt, toff);
else if(cmpr==7 || cmpr==34892) UTIF.decode._decodeNewJPEG(img, data, off, len, tgt, toff);
else if(cmpr==8 || cmpr==32946) { var src = new Uint8Array(data.buffer,off+2,len-6); var bin = UTIF._inflateRaw(src); if(toff+bin.length<=tgt.length) tgt.set(bin,toff); }
else if(cmpr==9) UTIF.decode._decodeVC5(data,off,len,tgt,toff,img["t33422"]);
else if(cmpr==32767) UTIF.decode._decodeARW(img, data, off, len, tgt, toff);
else if(cmpr==32773) UTIF.decode._decodePackBits(data, off, len, tgt, toff);
else if(cmpr==32809) UTIF.decode._decodeThunder (data, off, len, tgt, toff);
else if(cmpr==34316) UTIF.decode._decodePanasonic(img,data,off, len, tgt, toff);
else if(cmpr==34713) //for(var j=0; j<len; j++) tgt[toff+j] = data[off+j];
UTIF.decode._decodeNikon (img,ifds, data, off, len, tgt, toff);
else if(cmpr==34676) UTIF.decode._decodeLogLuv32(img,data, off, len, tgt, toff);
else log("Unknown compression", cmpr);
//console.log(Date.now()-time);
var pco = img["t284"] ? img["t284"][0] : 1; // planar configuration
var bps = (img["t258"]?Math.min(32,img["t258"][0]):1);
var noc = pco==2 ? 1 : (img["t277"]?img["t277"][0]:1), bpp=(bps*noc)>>>3, bpl = Math.ceil(bps*noc*w/8);
// convert to Little Endian /*
if(bps==16 && !img.isLE && img["t33422"]==null) // not DNG
for(var y=0; y<h; y++) {
//console.log("fixing endianity");
var roff = toff+y*bpl;
for(var x=1; x<bpl; x+=2) { var t=tgt[roff+x]; tgt[roff+x]=tgt[roff+x-1]; tgt[roff+x-1]=t; }
} //*/
// predictor
if(img["t317"] && img["t317"][0]==2) {
for(var y=0; y<h; y++) {
var ntoff = toff+y*bpl;
if(bps==16) for(var j=bpp; j<bpl; j+=2) {
var nv = ((tgt[ntoff+j+1]<<8)|tgt[ntoff+j]) + ((tgt[ntoff+j-bpp+1]<<8)|tgt[ntoff+j-bpp]);
tgt[ntoff+j] = nv&255; tgt[ntoff+j+1] = (nv>>>8)&255;
}
else if(noc==3) for(var j= 3; j<bpl; j+=3)
{
tgt[ntoff+j ] = (tgt[ntoff+j ] + tgt[ntoff+j-3])&255;
tgt[ntoff+j+1] = (tgt[ntoff+j+1] + tgt[ntoff+j-2])&255;
tgt[ntoff+j+2] = (tgt[ntoff+j+2] + tgt[ntoff+j-1])&255;
}
else for(var j=bpp; j<bpl; j++) tgt[ntoff+j] = (tgt[ntoff+j] + tgt[ntoff+j-bpp])&255;
}
}
}
UTIF.decode._decodePanasonic = function(img, data, off, len, tgt, toff) {
var img_buffer = data.buffer;
var rawWidth = img["t2"][0];
var rawHeight = img["t3"][0];
var bitsPerSample = img["t10"][0];
var RW2_Format = img["t45"][0];
var bidx = 0;
var imageIndex = 0;
var vpos = 0;
var byte = 0;
var arr_a, arr_b;
var bytes = (RW2_Format == 6 ? new Uint32Array(18) : new Uint8Array(16));
var i, j, sh, pred=[0,0], nonz=[0,0], isOdd, idx = 0, pixel_base;
var row, col, crow;
var buffer = new Uint8Array(0x4000);
var result = new Uint16Array(tgt.buffer);
function getDataRaw(bits){
if (vpos == 0) {
var arr_a = new Uint8Array(img_buffer, off+imageIndex + 0x1ff8, 0x4000-0x1ff8);
var arr_b = new Uint8Array(img_buffer, off+imageIndex, 0x1ff8);
buffer.set(arr_a);
buffer.set(arr_b, arr_a.length);
imageIndex += 0x4000;
}
if(RW2_Format == 5) {
for (i = 0; i < 16; i++){
bytes[i] = buffer[vpos++];
vpos &= 0x3FFF;
}
} else {
vpos = (vpos - bits) & 0x1ffff;
byte = vpos >> 3 ^ 0x3ff0;
return (buffer[byte] | buffer[byte + 1] << 8) >> (vpos & 7) & ~((-1) << bits);
}
}
// Raw Format 6
function getBufferDataRW6(i) {
return buffer[vpos + 15 - i];
}
function readPageRW6() {
bytes[0] = (getBufferDataRW6(0) << 6) | (getBufferDataRW6(1) >> 2); // 14 bit
bytes[1] = (((getBufferDataRW6(1) & 0x3) << 12) | (getBufferDataRW6(2) << 4) | (getBufferDataRW6(3) >> 4)) & 0x3fff;
bytes[2] = (getBufferDataRW6(3) >> 2) & 0x3;
bytes[3] = ((getBufferDataRW6(3) & 0x3) << 8) | getBufferDataRW6(4);
bytes[4] = (getBufferDataRW6(5) << 2) | (getBufferDataRW6(6) >> 6);
bytes[5] = ((getBufferDataRW6(6) & 0x3f) << 4) | (getBufferDataRW6(7) >> 4);
bytes[6] = (getBufferDataRW6(7) >> 2) & 0x3;
bytes[7] = ((getBufferDataRW6(7) & 0x3) << 8) | getBufferDataRW6(8);
bytes[8] = ((getBufferDataRW6(9) << 2) & 0x3fc) | (getBufferDataRW6(10) >> 6);
bytes[9] = ((getBufferDataRW6(10) << 4) | (getBufferDataRW6(11) >> 4)) & 0x3ff;
bytes[10] = (getBufferDataRW6(11) >> 2) & 0x3;
bytes[11] = ((getBufferDataRW6(11) & 0x3) << 8) | getBufferDataRW6(12);
bytes[12] = (((getBufferDataRW6(13) << 2) & 0x3fc) | getBufferDataRW6(14) >> 6) & 0x3ff;
bytes[13] = ((getBufferDataRW6(14) << 4) | (getBufferDataRW6(15) >> 4)) & 0x3ff;
vpos += 16;
byte = 0;
}
function readPageRw6_bps12() {
bytes[0] = (getBufferDataRW6(0) << 4) | (getBufferDataRW6(1) >> 4);
bytes[1] = (((getBufferDataRW6(1) & 0xf) << 8) | (getBufferDataRW6(2))) & 0xfff;
bytes[2] = (getBufferDataRW6(3) >> 6) & 0x3;
bytes[3] = ((getBufferDataRW6(3) & 0x3f) << 2) | (getBufferDataRW6(4) >> 6);
bytes[4] = ((getBufferDataRW6(4) & 0x3f) << 2) | (getBufferDataRW6(5) >> 6);
bytes[5] = ((getBufferDataRW6(5) & 0x3f) << 2) | (getBufferDataRW6(6) >> 6);
bytes[6] = (getBufferDataRW6(6) >> 4) & 0x3;
bytes[7] = ((getBufferDataRW6(6) & 0xf) << 4) | (getBufferDataRW6(7) >> 4);
bytes[8] = ((getBufferDataRW6(7) & 0xf) << 4) | (getBufferDataRW6(8) >> 4);
bytes[9] = ((getBufferDataRW6(8) & 0xf) << 4) | (getBufferDataRW6(9) >> 4);
bytes[10] = (getBufferDataRW6(9) >> 2) & 0x3;
bytes[11] = ((getBufferDataRW6(9) & 0x3) << 6) | (getBufferDataRW6(10) >> 2);
bytes[12] = ((getBufferDataRW6(10) & 0x3) << 6) | (getBufferDataRW6(11) >> 2);
bytes[13] = ((getBufferDataRW6(11) & 0x3) << 6) | (getBufferDataRW6(12) >> 2);
bytes[14] = getBufferDataRW6(12) & 0x3;
bytes[15] = getBufferDataRW6(13);
bytes[16] = getBufferDataRW6(14);
bytes[17] = getBufferDataRW6(15);
vpos += 16;
byte = 0;
}
// Main loop
function resetPredNonzeros(){
pred[0]=0; pred[1]=0;
nonz[0]=0; nonz[1]=0;
}
if (RW2_Format == 7) {
throw RW2_Format;
// Skatch of version 7
/*
var pixels_per_block = bitsPerSample == 14 ? 9 : 10;
rowbytes = 0|(rawWidth / pixels_per_block * 16);
for (row = 0; row < rawHeight - 15; row += 16) {
var rowstoread = Math.min(16, rawHeight - row);
var readlen = rowbytes*rowstoread;
buffer = new Uint8Array(image.slice(bidx, bidx+readlen));
vpos = 0;
bidx += readlen;
i = 0;
for (crow = 0; crow < rowstoread; crow++) {
idx = (row + crow) * rawWidth;
for (col = 0; col <= rawWidth - pixels_per_block; col += pixels_per_block) {
for(j=0; j < pixels_per_block; j++) bytes[j] = buffer[i++];
if (bitsPerSample == 12) {
result[idx ] = ((bytes[1] & 0xF) << 8) + bytes[0];
result[idx + 1] = 16 * bytes[2] + (bytes[1] >> 4);
result[idx + 2] = ((bytes[4] & 0xF) << 8) + bytes[3];
result[idx + 3] = 16 * bytes[5] + (bytes[4] >> 4);
result[idx + 4] = ((bytes[7] & 0xF) << 8) + bytes[6];
result[idx + 5] = 16 * bytes[8] + (bytes[7] >> 4);
result[idx + 6] = ((bytes[10] & 0xF) << 8) + bytes[9];
result[idx + 7] = 16 * bytes[11] + (bytes[10] >> 4);
result[idx + 8] = ((bytes[13] & 0xF) << 8) + bytes[12];
result[idx + 9] = 16 * bytes[14] + (bytes[13] >> 4);
} else if (bitsPerSample == 14) {
result[idx] = bytes[0] + ((bytes[1] & 0x3F) << 8);
result[idx + 1] = (bytes[1] >> 6) + 4 * (bytes[2]) + ((bytes[3] & 0xF) << 10);
result[idx + 2] = (bytes[3] >> 4) + 16 * (bytes[4]) + ((bytes[5] & 3) << 12);
result[idx + 3] = ((bytes[5] & 0xFC) >> 2) + (bytes[6] << 6);
result[idx + 4] = bytes[7] + ((bytes[8] & 0x3F) << 8);
result[idx + 5] = (bytes[8] >> 6) + 4 * bytes[9] + ((bytes[10] & 0xF) << 10);
result[idx + 6] = (bytes[10] >> 4) + 16 * bytes[11] + ((bytes[12] & 3) << 12);
result[idx + 7] = ((bytes[12] & 0xFC) >> 2) + (bytes[13] << 6);
result[idx + 8] = bytes[14] + ((bytes[15] & 0x3F) << 8);
}
}
}
}
*/
}
else if(RW2_Format == 6) {
var is12bit = bitsPerSample == 12,
readPageRw6Fn = is12bit ? readPageRw6_bps12 : readPageRW6,
pixelsPerBlock = is12bit ? 14 : 11,
pixelbase0 = is12bit ? 0x80 : 0x200,
pixelbase_compare = is12bit ? 0x800 : 0x2000,
spix_compare = is12bit ? 0x3fff : 0xffff,
pixel_mask = is12bit ? 0xfff : 0x3fff,
blocksperrow = rawWidth / pixelsPerBlock,
rowbytes = blocksperrow * 16,
bufferSize = is12bit ? 18 : 14;
for (row = 0; row < rawHeight - 15; row += 16) {
var rowstoread = Math.min(16, rawHeight - row);
var readlen = rowbytes*rowstoread;
buffer = new Uint8Array(img_buffer, off+bidx, readlen);//new Uint8Array(image.slice(bidx, bidx+readlen));
vpos = 0;
bidx += readlen;
for (crow = 0, col = 0; crow < rowstoread; crow++, col = 0) {
idx = (row + crow) * rawWidth;
for (var rblock = 0; rblock < blocksperrow; rblock++) {
readPageRw6Fn();
resetPredNonzeros();
sh=0; pixel_base=0;
for (i = 0; i < pixelsPerBlock; i++){
isOdd = i & 1;
if (i % 3 == 2) {
var base = byte < bufferSize ? bytes[byte++] : 0;
if (base == 3) base = 4;
pixel_base = pixelbase0 << base;
sh = 1 << base;
}
var epixel = byte < bufferSize ? bytes[byte++] : 0;
if (pred[isOdd]) {
epixel *= sh;
if (pixel_base < pixelbase_compare && nonz[isOdd] > pixel_base)
epixel += nonz[isOdd] - pixel_base;
nonz[isOdd] = epixel;
} else {
pred[isOdd] = epixel;
if (epixel)
nonz[isOdd] = epixel;
else
epixel = nonz[isOdd];
}
result[idx + col++] = (epixel - 0xf) <= spix_compare ? (epixel - 0xf) & spix_compare : ((epixel + 0x7ffffff1) >> 0x1f) & pixel_mask;
}
}
}
}
}
else if (RW2_Format == 5) {
var blockSize = bitsPerSample == 12 ? 10 : 9;
for (row = 0; row < rawHeight; row++) {
for (col = 0; col < rawWidth; col+=blockSize) {
getDataRaw(0);
// Tuhle podminku pouziva i RW2_Format 7
if (bitsPerSample == 12) {
result[idx++] = ((bytes[1] & 0xF) << 8) + bytes[0];
result[idx++] = 16 * bytes[2] + (bytes[1] >> 4);
result[idx++] = ((bytes[4] & 0xF) << 8) + bytes[3];
result[idx++] = 16 * bytes[5] + (bytes[4] >> 4);
result[idx++] = ((bytes[7] & 0xF) << 8) + bytes[6];
result[idx++] = 16 * bytes[8] + (bytes[7] >> 4);
result[idx++] = ((bytes[10] & 0xF) << 8) + bytes[9];
result[idx++] = 16 * bytes[11] + (bytes[10] >> 4);
result[idx++] = ((bytes[13] & 0xF) << 8) + bytes[12];
result[idx++] = 16 * bytes[14] + (bytes[13] >> 4);
} else if (bitsPerSample == 14) {
result[idx++] = bytes[0] + ((bytes[1] & 0x3F) << 8);
result[idx++] = (bytes[1] >> 6) + 4 * (bytes[2]) + ((bytes[3] & 0xF) << 10);
result[idx++] = (bytes[3] >> 4) + 16 * (bytes[4]) + ((bytes[5] & 3) << 12);
result[idx++] = ((bytes[5] & 0xFC) >> 2) + (bytes[6] << 6);
result[idx++] = bytes[7] + ((bytes[8] & 0x3F) << 8);
result[idx++] = (bytes[8] >> 6) + 4 * bytes[9] + ((bytes[10] & 0xF) << 10);
result[idx++] = (bytes[10] >> 4) + 16 * bytes[11] + ((bytes[12] & 3) << 12);
result[idx++] = ((bytes[12] & 0xFC) >> 2) + (bytes[13] << 6);
result[idx++] = bytes[14] + ((bytes[15] & 0x3F) << 8);
}
}
}
//console.log(result[1000000 - 1])
} else if(RW2_Format == 4) {
for (row = 0; row < rawHeight; row++){
for(col = 0; col < rawWidth; col++){
i = col % 14;
isOdd = i & 1;
if (i==0) resetPredNonzeros();
if (i%3 == 2)
sh = 4 >> (3 - getDataRaw(2));
if (nonz[isOdd]) {
j = getDataRaw(8);
if(j != 0){
pred[isOdd] -= 0x80 << sh;
if (pred[isOdd] < 0 || sh == 4)
pred[isOdd] &= ~((-1) << sh);
pred[isOdd] += j << sh;
}
} else {
nonz[isOdd] = getDataRaw(8);
if(nonz[isOdd] || i > 11)
pred[isOdd] = nonz[isOdd] << 4 | getDataRaw(4);
}
result[idx++] = pred[col & 1];
}
}
}
else throw RW2_Format;
}
UTIF.decode._decodeVC5 = function(){var x=[1,0,1,0,2,2,1,1,3,7,1,2,5,25,1,3,6,48,1,4,6,54,1,5,7,111,1,8,7,99,1,6,7,105,12,0,7,107,1,7,8,209,20,0,8,212,1,9,8,220,1,10,9,393,1,11,9,394,32,0,9,416,1,12,9,427,1,13,10,887,1,18,10,784,1,14,10,790,1,15,10,835,60,0,10,852,1,16,10,885,1,17,11,1571,1,19,11,1668,1,20,11,1669,100,0,11,1707,1,21,11,1772,1,22,12,3547,1,29,12,3164,1,24,12,3166,1,25,12,3140,1,23,12,3413,1,26,12,3537,1,27,12,3539,1,28,13,7093,1,35,13,6283,1,30,13,6331,1,31,13,6335,180,0,13,6824,1,32,13,7072,1,33,13,7077,320,0,13,7076,1,34,14,12565,1,36,14,12661,1,37,14,12669,1,38,14,13651,1,39,14,14184,1,40,15,28295,1,46,15,28371,1,47,15,25320,1,42,15,25336,1,43,15,25128,1,41,15,27300,1,44,15,28293,1,45,16,50259,1,48,16,50643,1,49,16,50675,1,50,16,56740,1,53,16,56584,1,51,16,56588,1,52,17,113483,1,61,17,113482,1,60,17,101285,1,55,17,101349,1,56,17,109205,1,57,17,109207,1,58,17,100516,1,54,17,113171,1,59,18,202568,1,62,18,202696,1,63,18,218408,1,64,18,218412,1,65,18,226340,1,66,18,226356,1,67,18,226358,1,68,19,402068,1,69,19,405138,1,70,19,405394,1,71,19,436818,1,72,19,436826,1,73,19,452714,1,75,19,452718,1,76,19,452682,1,74,20,804138,1,77,20,810279,1,78,20,810790,1,79,20,873638,1,80,20,873654,1,81,20,905366,1,82,20,905430,1,83,20,905438,1,84,21,1608278,1,85,21,1620557,1,86,21,1621582,1,87,21,1621583,1,88,21,1747310,1,89,21,1810734,1,90,21,1810735,1,91,21,1810863,1,92,21,1810879,1,93,22,3621725,1,99,22,3621757,1,100,22,3241112,1,94,22,3494556,1,95,22,3494557,1,96,22,3494622,1,97,22,3494623,1,98,23,6482227,1,102,23,6433117,1,101,23,6989117,1,103,23,6989119,1,105,23,6989118,1,104,23,7243449,1,106,23,7243512,1,107,24,13978233,1,111,24,12964453,1,109,24,12866232,1,108,24,14486897,1,113,24,13978232,1,110,24,14486896,1,112,24,14487026,1,114,24,14487027,1,115,25,25732598,1,225,25,25732597,1,189,25,25732596,1,188,25,25732595,1,203,25,25732594,1,202,25,25732593,1,197,25,25732592,1,207,25,25732591,1,169,25,25732590,1,223,25,25732589,1,159,25,25732522,1,235,25,25732579,1,152,25,25732575,1,192,25,25732489,1,179,25,25732573,1,201,25,25732472,1,172,25,25732576,1,149,25,25732488,1,178,25,25732566,1,120,25,25732571,1,219,25,25732577,1,150,25,25732487,1,127,25,25732506,1,211,25,25732548,1,125,25,25732588,1,158,25,25732486,1,247,25,25732467,1,238,25,25732508,1,163,25,25732552,1,228,25,25732603,1,183,25,25732513,1,217,25,25732587,1,168,25,25732520,1,122,25,25732484,1,128,25,25732562,1,249,25,25732505,1,187,25,25732504,1,186,25,25732483,1,136,25,25928905,1,181,25,25732560,1,255,25,25732500,1,230,25,25732482,1,135,25,25732555,1,233,25,25732568,1,222,25,25732583,1,145,25,25732481,1,134,25,25732586,1,167,25,25732521,1,248,25,25732518,1,209,25,25732480,1,243,25,25732512,1,216,25,25732509,1,164,25,25732547,1,140,25,25732479,1,157,25,25732544,1,239,25,25732574,1,191,25,25732564,1,251,25,25732478,1,156,25,25732546,1,139,25,25732498,1,242,25,25732557,1,133,25,25732477,1,162,25,25732515,1,213,25,25732584,1,165,25,25732514,1,212,25,25732476,1,227,25,25732494,1,198,25,25732531,1,236,25,25732530,1,234,25,25732529,1,117,25,25732528,1,215,25,25732527,1,124,25,25732526,1,123,25,25732525,1,254,25,25732524,1,253,25,25732523,1,148,25,25732570,1,218,25,25732580,1,146,25,25732581,1,147,25,25732569,1,224,25,25732533,1,143,25,25732540,1,184,25,25732541,1,185,25,25732585,1,166,25,25732556,1,132,25,25732485,1,129,25,25732563,1,250,25,25732578,1,151,25,25732501,1,119,25,25732502,1,193,25,25732536,1,176,25,25732496,1,245,25,25732553,1,229,25,25732516,1,206,25,25732582,1,144,25,25732517,1,208,25,25732558,1,137,25,25732543,1,241,25,25732466,1,237,25,25732507,1,190,25,25732542,1,240,25,25732551,1,131,25,25732554,1,232,25,25732565,1,252,25,25732475,1,171,25,25732493,1,205,25,25732492,1,204,25,25732491,1,118,25,25732490,1,214,25,25928904,1,180,25,25732549,1,126,25,25732602,1,182,25,25732539,1,175,25,25732545,1,141,25,25732559,1,138,25,25732537,1,177,25,25732534,1,153,25,25732503,1,194,25,25732606,1,160,25,25732567,1,121,25,25732538,1,174,25,25732497,1,246,25,25732550,1,130,25,25732572,1,200,25,25732474,1,170,25,25732511,1,221,25,25732601,1,196,25,25732532,1,142,25,257325
function d(t){var E=t[1],h=t[0][E>>>3]>>>7-(E&7)&1;t[1]++;return h}function ag(t,E){if(o==null){o={};
for(var h=0;h<x.length;h+=4)o[x[h+1]]=x.slice(h,h+4)}var L=d(t),g=o[L];while(g==null){L=L<<1|d(t);g=o[L]}var n=g[3];
if(n!=0)n=d(t)==0?n:-n;E[0]=g[2];E[1]=n}function m(t,E){for(var h=0;h<E;h++){if((t&1)==1)t++;t=t>>>1}return t}function A(t,E){return t>>E}function O(t,E,h,L,g,n){E[h]=A(A(11*t[g]-4*t[g+n]+t[g+n+n]+4,3)+t[L],1);
E[h+n]=A(A(5*t[g]+4*t[g+n]-t[g+n+n]+4,3)-t[L],1)}function J(t,E,h,L,g,n){var W=t[g-n]-t[g+n],j=t[g],$=t[L];
E[h]=A(A(W+4,3)+j+$,1);E[h+n]=A(A(-W+4,3)+j-$,1)}function y(t,E,h,L,g,n){E[h]=A(A(5*t[g]+4*t[g-n]-t[g-n-n]+4,3)+t[L],1);
E[h+n]=A(A(11*t[g]-4*t[g-n]+t[g-n-n]+4,3)-t[L],1)}function q(t){t=t<0?0:t>4095?4095:t;t=k[t]>>>2;return t}function av(t,E,h,L,g,n){L=new Uint16Array(L.buffer);
var W=Date.now(),j=UTIF._binBE,$=E+h,r,u,X,I,ax,a3,R,ai,aa,ap,ah,ae,aD,al,i,aE,T,B;E+=4;var a5=n[0]==1;
while(E<$){var S=j.readShort(t,E),s=j.readUshort(t,E+2);E+=4;if(S==12)r=s;else if(S==20)u=s;else if(S==21)X=s;
else if(S==48)I=s;else if(S==53)ax=s;else if(S==35)a3=s;else if(S==62)R=s;else if(S==101)ai=s;else if(S==109)aa=s;
else if(S==84)ap=s;else if(S==106)ah=s;else if(S==107)ae=s;else if(S==108)aD=s;else if(S==102)al=s;else if(S==104)i=s;
else if(S==105)aE=s;else{var F=S<0?-S:S,D=F&65280,_=0;if(F&az){if(F&H){_=s&65535;_+=(F&255)<<16}else{_=s&65535}}if((F&V)==V){if(T==null){T=[];
for(var M=0;M<4;M++)T[M]=new Int16Array((u>>>1)*(X>>>1));B=new Int16Array((u>>>1)*(X>>>1));C=new Int16Array(1024);
for(var M=0;M<1024;M++){var aG=M-512,p=Math.abs(aG),r=Math.floor(768*p*p*p/(255*255*255))+p;C[M]=Math.sign(aG)*r}k=new Uint16Array(4096);
var aA=(1<<16)-1;for(var M=0;M<4096;M++){var at=M,a1=aA*(Math.pow(113,at/4095)-1)/112;k[M]=Math.min(a1,aA)}}var w=T[R],v=m(u,1+P[I]),N=m(X,1+P[I]);
if(I==0){for(var b=0;b<N;b++)for(var G=0;G<v;G++){var c=E+(b*v+G)*2;w[b*(u>>>1)+G]=t[c]<<8|t[c+1]}}else{var a7=[t,E*8],a4=[],ay=0,aw=v*N,f=[0,0],Q=0,s=0;
while(ay<aw){ag(a7,f);Q=f[0];s=f[1];while(Q>0){a4[ay++]=s;Q--}}var l=(I-1)%3,aF=l!=1?v:0,a2=l!=0?N:0;
for(var b=0;b<N;b++){var af=(b+a2)*(u>>>1)+aF,au=b*v;for(var G=0;G<v;G++)w[af+G]=C[a4[au+G]+512]*ax}if(l==2){var i=u>>>1,an=v*2,a9=N*2;
for(var b=0;b<N;b++){for(var G=0;G<an;G++){var M=b*2*i+G,a=b*i+G,e=N*i+a;if(b==0)O(w,B,M,e,a,i);else if(b==N-1)y(w,B,M,e,a,i);
else J(w,B,M,e,a,i)}}var Z=w;w=B;B=Z;for(var b=0;b<a9;b++){for(var G=0;G<v;G++){var M=b*i+2*G,a=b*i+G,e=v+a;
if(G==0)O(w,B,M,e,a,1);else if(G==v-1)y(w,B,M,e,a,1);else J(w,B,M,e,a,1)}}var Z=w;w=B;B=Z;var aC=[],aB=2-~~((I-1)/3);
for(var K=0;K<3;K++)aC[K]=aa>>14-K*2&3;var a6=aC[aB];if(a6!=0)for(var b=0;b<a9;b++)for(var G=0;G<an;
G++){var M=b*i+G;w[M]=w[M]<<a6}}}if(I==9&&R==3){var a8=T[0],ab=T[1],aq=T[2],as=T[3];for(var b=0;b<X;
b+=2)for(var G=0;G<u;G+=2){var U=b*u+G,c=(b>>>1)*(u>>>1)+(G>>>1),z=a8[c],ao=ab[c]-2048,ak=aq[c]-2048,ad=as[c]-2048,aj=(ao<<1)+z,a0=(ak<<1)+z,aH=z+ad,am=z-ad;
if(a5){L[U]=q(aH);L[U+1]=q(a0);L[U+u]=q(aj);L[U+u+1]=q(am)}else{L[U]=q(aj);L[U+1]=q(aH);L[U+u]=q(am);
L[U+u+1]=q(a0)}}}E+=_*4}else if(F==16388){E+=_*4}else if(D==8192||D==8448||D==9216){}else throw F.toString(16)}}console.log(Date.now()-W)}return av}()
UTIF.decode._decodeLogLuv32 = function(img, data, off, len, tgt, toff) {
var w = img.width, qw=w*4;
var io = 0, out = new Uint8Array(qw);
while(io<len) {
var oo=0;
while(oo<qw) {
var c = data[off+io]; io++;
if(c<128) { for(var j=0; j<c; j++) out[oo+j] = data[off+io+j]; oo+=c; io+=c; }
else { c=c-126; for(var j=0; j<c; j++) out[oo+j] = data[off+io ]; oo+=c; io++ ; }
}
for(var x=0; x<w; x++) {
tgt[toff+0] = out[x];
tgt[toff+1] = out[x+w];
tgt[toff+2] = out[x+w*2];
tgt[toff+4] = out[x+w*3];
toff+=6;
}
}
}
UTIF.decode._ljpeg_diff = function(data, prm, huff) {
var getbithuff = UTIF.decode._getbithuff;
var len, diff;
len = getbithuff(data, prm, huff[0], huff);
diff = getbithuff(data, prm, len, 0);
if ((diff & (1 << (len-1))) == 0) diff -= (1 << len) - 1;
return diff;
}
UTIF.decode._decodeARW = function(img, inp, off, src_length, tgt, toff) {
var raw_width = img["t256"][0], height=img["t257"][0], tiff_bps=img["t258"][0];
var bin=(img.isLE ? UTIF._binLE : UTIF._binBE);
//console.log(raw_width, height, tiff_bps, raw_width*height, src_length);
var arw2 = (raw_width*height == src_length) || (raw_width*height*1.5 == src_length);
//arw2 = true;
//console.log("ARW2: ", arw2, raw_width*height, src_length, tgt.length);
if(!arw2) { //"sony_arw_load_raw"; // not arw2
height+=8;
var prm = [off,0,0,0];
var huff = new Uint16Array(32770);
var tab = [ 0xf11,0xf10,0xe0f,0xd0e,0xc0d,0xb0c,0xa0b,0x90a,0x809,
0x708,0x607,0x506,0x405,0x304,0x303,0x300,0x202,0x201 ];
var i, c, n, col, row, sum=0;
var ljpeg_diff = UTIF.decode._ljpeg_diff;
huff[0] = 15;
for (n=i=0; i < 18; i++) {
var lim = 32768 >>> (tab[i] >>> 8);
for(var c=0; c<lim; c++) huff[++n] = tab[i];
}
for (col = raw_width; col--; )
for (row=0; row < height+1; row+=2) {
if (row == height) row = 1;
sum += ljpeg_diff(inp, prm, huff);
if (row < height) {
var clr = (sum)&4095;
UTIF.decode._putsF(tgt, (row*raw_width+col)*tiff_bps, clr<<(16-tiff_bps));
}
}
return;
}
if(raw_width*height*1.5==src_length) {
//console.log("weird compression");
for(var i=0; i<src_length; i+=3) { var b0=inp[off+i+0], b1=inp[off+i+1], b2=inp[off+i+2];
tgt[toff+i]=(b1<<4)|(b0>>>4); tgt[toff+i+1]=(b0<<4)|(b2>>>4); tgt[toff+i+2]=(b2<<4)|(b1>>>4); }
return;
}
var pix = new Uint16Array(16);
var row, col, val, max, min, imax, imin, sh, bit, i, dp;
var data = new Uint8Array(raw_width+1);
for (row=0; row < height; row++) {
//fread (data, 1, raw_width, ifp);
for(var j=0; j<raw_width; j++) data[j]=inp[off++];
for (dp=0, col=0; col < raw_width-30; dp+=16) {
max = 0x7ff & (val = bin.readUint(data,dp));
min = 0x7ff & (val >>> 11);
imax = 0x0f & (val >>> 22);
imin = 0x0f & (val >>> 26);
for (sh=0; sh < 4 && 0x80 << sh <= max-min; sh++);
for (bit=30, i=0; i < 16; i++)
if (i == imax) pix[i] = max;
else if (i == imin) pix[i] = min;
else {
pix[i] = ((bin.readUshort(data, dp+(bit >> 3)) >>> (bit & 7) & 0x7f) << sh) + min;
if (pix[i] > 0x7ff) pix[i] = 0x7ff;
bit += 7;
}
for (i=0; i < 16; i++, col+=2) {
//RAW(row,col) = curve[pix[i] << 1] >> 2;
var clr = pix[i]<<1; //clr = 0xffff;
UTIF.decode._putsF(tgt, (row*raw_width+col)*tiff_bps, clr<<(16-tiff_bps));
}
col -= col & 1 ? 1:31;
}
}
}
UTIF.decode._decodeNikon = function(img,imgs, data, off, src_length, tgt, toff)
{
var nikon_tree = [
[ 0, 0,1,5,1,1,1,1,1,1,2,0,0,0,0,0,0, /* 12-bit lossy */
5,4,3,6,2,7,1,0,8,9,11,10,12 ],
[ 0, 0,1,5,1,1,1,1,1,1,2,0,0,0,0,0,0, /* 12-bit lossy after split */
0x39,0x5a,0x38,0x27,0x16,5,4,3,2,1,0,11,12,12 ],
[ 0, 0,1,4,2,3,1,2,0,0,0,0,0,0,0,0,0, /* 12-bit lossless */
5,4,6,3,7,2,8,1,9,0,10,11,12 ],
[ 0, 0,1,4,3,1,1,1,1,1,2,0,0,0,0,0,0, /* 14-bit lossy */
5,6,4,7,8,3,9,2,1,0,10,11,12,13,14 ],
[ 0, 0,1,5,1,1,1,1,1,1,1,2,0,0,0,0,0, /* 14-bit lossy after split */
8,0x5c,0x4b,0x3a,0x29,7,6,5,4,3,2,1,0,13,14 ],
[ 0, 0,1,4,2,2,3,1,2,0,0,0,0,0,0,0,0, /* 14-bit lossless */
7,6,8,5,9,4,10,3,11,12,2,0,1,13,14 ] ];
var raw_width = img["t256"][0], height=img["t257"][0], tiff_bps=img["t258"][0];
var tree = 0, split = 0;
var make_decoder = UTIF.decode._make_decoder;
var getbithuff = UTIF.decode._getbithuff;
var mn = imgs[0].exifIFD.makerNote, md = mn["t150"]?mn["t150"]:mn["t140"], mdo=0; //console.log(mn,md);
if(mn["t147"] && mn["t147"][0]==2) {
var ppl = Math.ceil(raw_width/10);
var bpl = ppl*16;
var rbpl = (raw_width*3)>>>1;
for(var y=0; y<height; y++) {
for(var pi=0; pi<ppl; pi++) {
for(var i=0; i<15; i++) tgt[y*rbpl+pi*15+i] = data[off+y*bpl+pi*16+i];
}
}
return;
}
//console.log(md[0].toString(16), md[1].toString(16), tiff_bps);
var ver0 = md[mdo++], ver1 = md[mdo++];
if (ver0 == 0x49 || ver1 == 0x58) mdo+=2110;
if (ver0 == 0x46) tree = 2;
if (tiff_bps == 14) tree += 3;
var vpred = [[0,0],[0,0]], bin=(img.isLE ? UTIF._binLE : UTIF._binBE);
for(var i=0; i<2; i++) for(var j=0; j<2; j++) { vpred[i][j] = bin.readShort(md,mdo); mdo+=2; } // not sure here ... [i][j] or [j][i]
//console.log(vpred);
var max = 1 << tiff_bps & 0x7fff, step=0;
var csize = bin.readShort(md,mdo); mdo+=2;
if (csize > 1) step = Math.floor(max / (csize-1));
if (ver0 == 0x44 && ver1 == 0x20 && step > 0) split = bin.readShort(md,562);
var i;
var row, col;
var len, shl, diff;
var min_v = 0;
var hpred = [0,0];
var huff = make_decoder(nikon_tree[tree]);
//var g_input_offset=0, bitbuf=0, vbits=0, reset=0;
var prm = [off,0,0,0];
//console.log(split); split = 170;
for (min_v=row=0; row < height; row++) {
if (split && row == split) {
//free (huff);
huff = make_decoder (nikon_tree[tree+1]);
//max_v += (min_v = 16) << 1;
}
for (col=0; col < raw_width; col++) {
i = getbithuff(data,prm,huff[0],huff);
len = i & 15;
shl = i >>> 4;
diff = (((getbithuff(data,prm,len-shl,0) << 1) + 1) << shl) >>> 1;
if ((diff & (1 << (len-1))) == 0)
diff -= (1 << len) - (shl==0?1:0);
if (col < 2) hpred[col] = vpred[row & 1][col] += diff;
else hpred[col & 1] += diff;
var clr = Math.min(Math.max(hpred[col & 1],0),(1<<tiff_bps)-1);
var bti = (row*raw_width+col)*tiff_bps;
UTIF.decode._putsF(tgt, bti, clr<<(16-tiff_bps));
}
}
}
// put 16 bits
UTIF.decode._putsF= function(dt, pos, val) { val = val<<(8-(pos&7)); var o=(pos>>>3); dt[o]|=val>>>16; dt[o+1]|=val>>>8; dt[o+2]|=val; }
UTIF.decode._getbithuff = function(data,prm,nbits, huff) {
var zero_after_ff = 0;
var get_byte = UTIF.decode._get_byte;
var c;
var off=prm[0], bitbuf=prm[1], vbits=prm[2], reset=prm[3];
//if (nbits > 25) return 0;
//if (nbits < 0) return bitbuf = vbits = reset = 0;
if (nbits == 0 || vbits < 0) return 0;
while (!reset && vbits < nbits && (c = data[off++]) != -1 &&
!(reset = zero_after_ff && c == 0xff && data[off++])) {
//console.log("byte read into c");
bitbuf = (bitbuf << 8) + c;
vbits += 8;
}
c = (bitbuf << (32-vbits)) >>> (32-nbits);
if (huff) {
vbits -= huff[c+1] >>> 8; //console.log(c, huff[c]>>8);
c = huff[c+1]&255;
} else
vbits -= nbits;
if (vbits < 0) throw "e";
prm[0]=off; prm[1]=bitbuf; prm[2]=vbits; prm[3]=reset;
return c;
}
UTIF.decode._make_decoder = function(source) {
var max, len, h, i, j;
var huff = [];
for (max=16; max!=0 && !source[max]; max--);
var si=17;
huff[0] = max;
for (h=len=1; len <= max; len++)
for (i=0; i < source[len]; i++, ++si)
for (j=0; j < 1 << (max-len); j++)
if (h <= 1 << max)
huff[h++] = (len << 8) | source[si];
return huff;
}
UTIF.decode._decodeNewJPEG = function(img, data, off, len, tgt, toff)
{
len = Math.min(len, data.length-off);
var tables = img["t347"], tlen = tables ? tables.length : 0, buff = new Uint8Array(tlen + len);
if (tables) {
var SOI = 216, EOI = 217, boff = 0;
for (var i=0; i<(tlen-1); i++)
{
// Skip EOI marker from JPEGTables
if (tables[i]==255 && tables[i+1]==EOI) break;
buff[boff++] = tables[i];
}
// Skip SOI marker from data
var byte1 = data[off], byte2 = data[off + 1];
if (byte1!=255 || byte2!=SOI)
{
buff[boff++] = byte1;
buff[boff++] = byte2;
}
for (var i=2; i<len; i++) buff[boff++] = data[off+i];
}
else for (var i=0; i<len; i++) buff[i] = data[off+i];
if(img["t262"][0]==32803 || (img["t259"][0]==7 && img["t262"][0]==34892)) // lossless JPEG (used in DNG files)
{
var bps = img["t258"][0];//, dcdr = new LosslessJpegDecoder();
//var time = Date.now();
//var out = UTIF.LosslessJpegDecode(buff), olen=out.length; //console.log(olen);
var ojpg = UTIF.LosslessJpegDecode(buff), out=ojpg[0], olen=out.length; //console.log(olen);
//console.log(Date.now()-time);
if(ojpg[3]==4 && img["t29456"]) { // Sony ARW has 4 components per pixel,
var no = out.slice(0); no.fill(0);
var w = ojpg[1],h=ojpg[2], rw=w*2;
for(var y=0; y<h; y++)
for(var x=0; x<w; x++) {
var ti = y*w*4 + x*2;
var si = ti+x*2;
no[ti ] = out[si ];
no[ti+1 ] = out[si+1];
no[ti+rw ] = out[si+2];
no[ti+rw+1] = out[si+3];
}
out = no;
}
if(false) {}
else if(bps==16) {
if(img.isLE) for(var i=0; i<olen; i++ ) { tgt[toff+(i<<1)] = (out[i]&255); tgt[toff+(i<<1)+1] = (out[i]>>>8); }
else for(var i=0; i<olen; i++ ) { tgt[toff+(i<<1)] = (out[i]>>>8); tgt[toff+(i<<1)+1] = (out[i]&255); }
}
else if(bps==14 || bps==12 || bps==10) { // 4 * 14 == 56 == 7 * 8
var rst = 16-bps;
for(var i=0; i<olen; i++) UTIF.decode._putsF(tgt, i*bps, out[i]<<rst);
}
else if(bps==8) {
for(var i=0; i<olen; i++) tgt[toff+i]=out[i];
}
else throw new Error("unsupported bit depth "+bps);
}
else
{
var parser = new UTIF.JpegDecoder(); parser.parse(buff);
var decoded = parser.getData({"width":parser.width,"height":parser.height,"forceRGB":true,"isSourcePDF":false});
for (var i=0; i<decoded.length; i++) tgt[toff + i] = decoded[i];
}
// PhotometricInterpretation is 6 (YCbCr) for JPEG, but after decoding we populate data in
// RGB format, so updating the tag value
if(img["t262"][0] == 6) img["t262"][0] = 2;
}
UTIF.decode._decodeOldJPEGInit = function(img, data, off, len)
{
var SOI = 216, EOI = 217, DQT = 219, DHT = 196, DRI = 221, SOF0 = 192, SOS = 218;
var joff = 0, soff = 0, tables, sosMarker, isTiled = false, i, j, k;
var jpgIchgFmt = img["t513"], jifoff = jpgIchgFmt ? jpgIchgFmt[0] : 0;
var jpgIchgFmtLen = img["t514"], jiflen = jpgIchgFmtLen ? jpgIchgFmtLen[0] : 0;
var soffTag = img["t324"] || img["t273"] || jpgIchgFmt;
var ycbcrss = img["t530"], ssx = 0, ssy = 0;
var spp = img["t277"]?img["t277"][0]:1;
var jpgresint = img["t515"];
if(soffTag)
{
soff = soffTag[0];
isTiled = (soffTag.length > 1);
}
if(!isTiled)
{
if(data[off]==255 && data[off+1]==SOI) return { jpegOffset: off };
if(jpgIchgFmt!=null)
{
if(data[off+jifoff]==255 && data[off+jifoff+1]==SOI) joff = off+jifoff;
else log("JPEGInterchangeFormat does not point to SOI");
if(jpgIchgFmtLen==null) log("JPEGInterchangeFormatLength field is missing");
else if(jifoff >= soff || (jifoff+jiflen) <= soff) log("JPEGInterchangeFormatLength field value is invalid");
if(joff != null) return { jpegOffset: joff };
}
}
if(ycbcrss!=null) { ssx = ycbcrss[0]; ssy = ycbcrss[1]; }
if(jpgIchgFmt!=null)
if(jpgIchgFmtLen!=null)
if(jiflen >= 2 && (jifoff+jiflen) <= soff)
{
if(data[off+jifoff+jiflen-2]==255 && data[off+jifoff+jiflen-1]==SOI) tables = new Uint8Array(jiflen-2);
else tables = new Uint8Array(jiflen);
for(i=0; i<tables.length; i++) tables[i] = data[off+jifoff+i];
log("Incorrect JPEG interchange format: using JPEGInterchangeFormat offset to derive tables");
}
else log("JPEGInterchangeFormat+JPEGInterchangeFormatLength > offset to first strip or tile");
if(tables == null)
{
var ooff = 0, out = [];
out[ooff++] = 255; out[ooff++] = SOI;
var qtables = img["t519"];
if(qtables==null) throw new Error("JPEGQTables tag is missing");
for(i=0; i<qtables.length; i++)
{
out[ooff++] = 255; out[ooff++] = DQT; out[ooff++] = 0; out[ooff++] = 67; out[ooff++] = i;
for(j=0; j<64; j++) out[ooff++] = data[off+qtables[i]+j];
}
for(k=0; k<2; k++)
{
var htables = img[(k == 0) ? "t520" : "t521"];
if(htables==null) throw new Error(((k == 0) ? "JPEGDCTables" : "JPEGACTables") + " tag is missing");
for(i=0; i<htables.length; i++)
{
out[ooff++] = 255; out[ooff++] = DHT;
//out[ooff++] = 0; out[ooff++] = 67; out[ooff++] = i;
var nc = 19;
for(j=0; j<16; j++) nc += data[off+htables[i]+j];
out[ooff++] = (nc >>> 8); out[ooff++] = nc & 255;
out[ooff++] = (i | (k << 4));
for(j=0; j<16; j++) out[ooff++] = data[off+htables[i]+j];
for(j=0; j<nc; j++) out[ooff++] = data[off+htables[i]+16+j];
}
}
out[ooff++] = 255; out[ooff++] = SOF0;
out[ooff++] = 0; out[ooff++] = 8 + 3*spp; out[ooff++] = 8;
out[ooff++] = (img.height >>> 8) & 255; out[ooff++] = img.height & 255;
out[ooff++] = (img.width >>> 8) & 255; out[ooff++] = img.width & 255;
out[ooff++] = spp;
if(spp==1) { out[ooff++] = 1; out[ooff++] = 17; out[ooff++] = 0; }
else for(i=0; i<3; i++)
{
out[ooff++] = i + 1;
out[ooff++] = (i != 0) ? 17 : (((ssx & 15) << 4) | (ssy & 15));
out[ooff++] = i;
}
if(jpgresint!=null && jpgresint[0]!=0)
{
out[ooff++] = 255; out[ooff++] = DRI; out[ooff++] = 0; out[ooff++] = 4;
out[ooff++] = (jpgresint[0] >>> 8) & 255;
out[ooff++] = jpgresint[0] & 255;
}
tables = new Uint8Array(out);
}
var sofpos = -1;
i = 0;
while(i < (tables.length - 1)) {
if(tables[i]==255 && tables[i+1]==SOF0) { sofpos = i; break; }
i++;
}
if(sofpos == -1)
{
var tmptab = new Uint8Array(tables.length + 10 + 3*spp);
tmptab.set(tables);
var tmpoff = tables.length;
sofpos = tables.length;
tables = tmptab;
tables[tmpoff++] = 255; tables[tmpoff++] = SOF0;
tables[tmpoff++] = 0; tables[tmpoff++] = 8 + 3*spp; tables[tmpoff++] = 8;
tables[tmpoff++] = (img.height >>> 8) & 255; tables[tmpoff++] = img.height & 255;
tables[tmpoff++] = (img.width >>> 8) & 255; tables[tmpoff++] = img.width & 255;
tables[tmpoff++] = spp;
if(spp==1) { tables[tmpoff++] = 1; tables[tmpoff++] = 17; tables[tmpoff++] = 0; }
else for(i=0; i<3; i++)
{
tables[tmpoff++] = i + 1;
tables[tmpoff++] = (i != 0) ? 17 : (((ssx & 15) << 4) | (ssy & 15));
tables[tmpoff++] = i;
}
}
if(data[soff]==255 && data[soff+1]==SOS)
{
var soslen = (data[soff+2]<<8) | data[soff+3];
sosMarker = new Uint8Array(soslen+2);
sosMarker[0] = data[soff]; sosMarker[1] = data[soff+1]; sosMarker[2] = data[soff+2]; sosMarker[3] = data[soff+3];
for(i=0; i<(soslen-2); i++) sosMarker[i+4] = data[soff+i+4];
}
else
{
sosMarker = new Uint8Array(2 + 6 + 2*spp);
var sosoff = 0;
sosMarker[sosoff++] = 255; sosMarker[sosoff++] = SOS;
sosMarker[sosoff++] = 0; sosMarker[sosoff++] = 6 + 2*spp; sosMarker[sosoff++] = spp;
if(spp==1) { sosMarker[sosoff++] = 1; sosMarker[sosoff++] = 0; }
else for(i=0; i<3; i++)
{
sosMarker[sosoff++] = i+1; sosMarker[sosoff++] = (i << 4) | i;
}
sosMarker[sosoff++] = 0; sosMarker[sosoff++] = 63; sosMarker[sosoff++] = 0;
}
return { jpegOffset: off, tables: tables, sosMarker: sosMarker, sofPosition: sofpos };
}
UTIF.decode._decodeOldJPEG = function(img, data, off, len, tgt, toff)
{
var i, dlen, tlen, buff, buffoff;
var jpegData = UTIF.decode._decodeOldJPEGInit(img, data, off, len);
if(jpegData.jpegOffset!=null)
{
dlen = off+len-jpegData.jpegOffset;
buff = new Uint8Array(dlen);
for(i=0; i<dlen; i++) buff[i] = data[jpegData.jpegOffset+i];
}
else
{
tlen = jpegData.tables.length;
buff = new Uint8Array(tlen + jpegData.sosMarker.length + len + 2);
buff.set(jpegData.tables);
buffoff = tlen;
buff[jpegData.sofPosition+5] = (img.height >>> 8) & 255; buff[jpegData.sofPosition+6] = img.height & 255;
buff[jpegData.sofPosition+7] = (img.width >>> 8) & 255; buff[jpegData.sofPosition+8] = img.width & 255;
if(data[off]!=255 || data[off+1]!=SOS)
{
buff.set(jpegData.sosMarker, buffoff);
buffoff += sosMarker.length;
}
for(i=0; i<len; i++) buff[buffoff++] = data[off+i];
buff[buffoff++] = 255; buff[buffoff++] = EOI;
}
var parser = new UTIF.JpegDecoder(); parser.parse(buff);
var decoded = parser.getData({"width":parser.width,"height":parser.height,"forceRGB":true,"isSourcePDF":false});
var area = parser.width*parser.height;
if(img["t262"] && img["t262"][0]==1) for (var i=0; i<area; i++) tgt[toff + i] = decoded[i*3];
else for (var i=0; i<decoded.length; i++ ) tgt[toff + i] = decoded[i];
// PhotometricInterpretation is 6 (YCbCr) for JPEG, but after decoding we populate data in
// RGB format, so updating the tag value
if(img["t262"] && img["t262"][0] == 6) img["t262"][0] = 2;
}
UTIF.decode._decodePackBits = function(data, off, len, tgt, toff)
{
var sa = new Int8Array(data.buffer), ta = new Int8Array(tgt.buffer), lim = off+len;
while(off<lim)
{
var n = sa[off]; off++;
if(n>=0 && n<128) for(var i=0; i< n+1; i++) { ta[toff]=sa[off]; toff++; off++; }
if(n>=-127 && n<0) { for(var i=0; i<-n+1; i++) { ta[toff]=sa[off]; toff++; } off++; }
}
return toff;
}
UTIF.decode._decodeThunder = function(data, off, len, tgt, toff)
{
var d2 = [ 0, 1, 0, -1 ], d3 = [ 0, 1, 2, 3, 0, -3, -2, -1 ];
var lim = off+len, qoff = toff*2, px = 0;
while(off<lim)
{
var b = data[off], msk = (b>>>6), n = (b&63); off++;
if(msk==3) { px=(n&15); tgt[qoff>>>1] |= (px<<(4*(1-qoff&1))); qoff++; }
if(msk==0) for(var i=0; i<n; i++) { tgt[qoff>>>1] |= (px<<(4*(1-qoff&1))); qoff++; }
if(msk==2) for(var i=0; i<2; i++) { var d=(n>>>(3*(1-i)))&7; if(d!=4) { px+=d3[d]; tgt[qoff>>>1] |= (px<<(4*(1-qoff&1))); qoff++; } }
if(msk==1) for(var i=0; i<3; i++) { var d=(n>>>(2*(2-i)))&3; if(d!=2) { px+=d2[d]; tgt[qoff>>>1] |= (px<<(4*(1-qoff&1))); qoff++; } }
}
}
UTIF.decode._dmap = { "1":0,"011":1,"000011":2,"0000011":3, "010":-1,"000010":-2,"0000010":-3 };
UTIF.decode._lens = ( function()
{
var addKeys = function(lens, arr, i0, inc) { for(var i=0; i<arr.length; i++) lens[arr[i]] = i0 + i*inc; }
var termW = "00110101,000111,0111,1000,1011,1100,1110,1111,10011,10100,00111,01000,001000,000011,110100,110101," // 15
+ "101010,101011,0100111,0001100,0001000,0010111,0000011,0000100,0101000,0101011,0010011,0100100,0011000,00000010,00000011,00011010," // 31
+ "00011011,00010010,00010011,00010100,00010101,00010110,00010111,00101000,00101001,00101010,00101011,00101100,00101101,00000100,00000101,00001010," // 47
+ "00001011,01010010,01010011,01010100,01010101,00100100,00100101,01011000,01011001,01011010,01011011,01001010,01001011,00110010,00110011,00110100";
var termB = "0000110111,010,11,10,011,0011,0010,00011,000101,000100,0000100,0000101,0000111,00000100,00000111,000011000," // 15
+ "0000010111,0000011000,0000001000,00001100111,00001101000,00001101100,00000110111,00000101000,00000010111,00000011000,000011001010,000011001011,000011001100,000011001101,000001101000,000001101001," // 31
+ "000001101010,000001101011,000011010010,000011010011,000011010100,000011010101,000011010110,000011010111,000001101100,000001101101,000011011010,000011011011,000001010100,000001010101,000001010110,000001010111," // 47
+ "000001100100,000001100101,000001010010,000001010011,000000100100,000000110111,000000111000,000000100111,000000101000,000001011000,000001011001,000000101011,000000101100,000001011010,000001100110,000001100111";
var makeW = "11011,10010,010111,0110111,00110110,00110111,01100100,01100101,01101000,01100111,011001100,011001101,011010010,011010011,011010100,011010101,011010110,"
+ "011010111,011011000,011011001,011011010,011011011,010011000,010011001,010011010,011000,010011011";
var makeB = "0000001111,000011001000,000011001001,000001011011,000000110011,000000110100,000000110101,0000001101100,0000001101101,0000001001010,0000001001011,0000001001100,"
+ "0000001001101,0000001110010,0000001110011,0000001110100,0000001110101,0000001110110,0000001110111,0000001010010,0000001010011,0000001010100,0000001010101,0000001011010,"
+ "0000001011011,0000001100100,0000001100101";
var makeA = "00000001000,00000001100,00000001101,000000010010,000000010011,000000010100,000000010101,000000010110,000000010111,000000011100,000000011101,000000011110,000000011111";
termW = termW.split(","); termB = termB.split(","); makeW = makeW.split(","); makeB = makeB.split(","); makeA = makeA.split(",");
var lensW = {}, lensB = {};
addKeys(lensW, termW, 0, 1); addKeys(lensW, makeW, 64,64); addKeys(lensW, makeA, 1792,64);
addKeys(lensB, termB, 0, 1); addKeys(lensB, makeB, 64,64); addKeys(lensB, makeA, 1792,64);
return [lensW, lensB];
} )();
UTIF.decode._decodeG4 = function(data, off, slen, tgt, toff, w, fo)
{
var U = UTIF.decode, boff=off<<3, len=0, wrd=""; // previous starts with 1
var line=[], pline=[]; for(var i=0; i<w; i++) pline.push(0); pline=U._makeDiff(pline);
var a0=0, a1=0, a2=0, b1=0, b2=0, clr=0;
var y=0, mode="", toRead=0;
var bipl = Math.ceil(w/8)*8;
while((boff>>>3)<off+slen)
{
b1 = U._findDiff(pline, a0+(a0==0?0:1), 1-clr), b2 = U._findDiff(pline, b1, clr); // could be precomputed
var bit =0;
if(fo==1) bit = (data[boff>>>3]>>>(7-(boff&7)))&1;
if(fo==2) bit = (data[boff>>>3]>>>( (boff&7)))&1;
boff++; wrd+=bit;
if(mode=="H")
{
if(U._lens[clr][wrd]!=null)
{
var dl=U._lens[clr][wrd]; wrd=""; len+=dl;
if(dl<64) { U._addNtimes(line,len,clr); a0+=len; clr=1-clr; len=0; toRead--; if(toRead==0) mode=""; }
}
}
else
{
if(wrd=="0001") { wrd=""; U._addNtimes(line,b2-a0,clr); a0=b2; }
if(wrd=="001" ) { wrd=""; mode="H"; toRead=2; }
if(U._dmap[wrd]!=null) { a1 = b1+U._dmap[wrd]; U._addNtimes(line, a1-a0, clr); a0=a1; wrd=""; clr=1-clr; }
}
if(line.length==w && mode=="")
{
U._writeBits(line, tgt, toff*8+y*bipl);
clr=0; y++; a0=0;
pline=U._makeDiff(line); line=[];
}
//if(wrd.length>150) { log(wrd); break; throw "e"; }
}
}
UTIF.decode._findDiff = function(line, x, clr) { for(var i=0; i<line.length; i+=2) if(line[i]>=x && line[i+1]==clr) return line[i]; }
UTIF.decode._makeDiff = function(line)
{
var out = []; if(line[0]==1) out.push(0,1);
for(var i=1; i<line.length; i++) if(line[i-1]!=line[i]) out.push(i, line[i]);
out.push(line.length,0,line.length,1); return out;
}
UTIF.decode._decodeG2 = function(data, off, slen, tgt, toff, w, fo)
{
var U = UTIF.decode, boff=off<<3, len=0, wrd="";
var line=[];
var clr = 0;
var y=0;
var bipl = Math.ceil(w/8)*8;
while((boff>>>3)<off+slen) {
var bit =0;
if(fo==1) bit = (data[boff>>>3]>>>(7-(boff&7)))&1;
if(fo==2) bit = (data[boff>>>3]>>>( (boff&7)))&1;
boff++; wrd+=bit;
len = U._lens[clr][wrd];
if(len!=null) {
U._addNtimes(line,len,clr); wrd="";
if(len<64) clr = 1-clr;
if(line.length==w) { U._writeBits(line, tgt, toff*8+y*bipl); line=[]; y++; clr=0; if((boff&7)!=0) boff+=8-(boff&7); if(len>=64) boff+=8; }
}
}
}
UTIF.decode._decodeG3 = function(data, off, slen, tgt, toff, w, fo, twoDim)
{
var U = UTIF.decode, boff=off<<3, len=0, wrd="";
var line=[], pline=[]; for(var i=0; i<w; i++) line.push(0);
var a0=0, a1=0, a2=0, b1=0, b2=0, clr=0;
var y=-1, mode="", toRead=0, is1D=true;
var bipl = Math.ceil(w/8)*8;
while((boff>>>3)<off+slen)
{
b1 = U._findDiff(pline, a0+(a0==0?0:1), 1-clr), b2 = U._findDiff(pline, b1, clr); // could be precomputed
var bit =0;
if(fo==1) bit = (data[boff>>>3]>>>(7-(boff&7)))&1;
if(fo==2) bit = (data[boff>>>3]>>>( (boff&7)))&1;
boff++; wrd+=bit;
if(is1D)
{
if(U._lens[clr][wrd]!=null)
{
var dl=U._lens[clr][wrd]; wrd=""; len+=dl;
if(dl<64) { U._addNtimes(line,len,clr); clr=1-clr; len=0; }
}
}
else
{
if(mode=="H")
{
if(U._lens[clr][wrd]!=null)
{
var dl=U._lens[clr][wrd]; wrd=""; len+=dl;
if(dl<64) { U._addNtimes(line,len,clr); a0+=len; clr=1-clr; len=0; toRead--; if(toRead==0) mode=""; }
}
}
else
{
if(wrd=="0001") { wrd=""; U._addNtimes(line,b2-a0,clr); a0=b2; }
if(wrd=="001" ) { wrd=""; mode="H"; toRead=2; }
if(U._dmap[wrd]!=null) { a1 = b1+U._dmap[wrd]; U._addNtimes(line, a1-a0, clr); a0=a1; wrd=""; clr=1-clr; }
}
}
if(wrd.endsWith("000000000001")) // needed for some files
{
if(y>=0) U._writeBits(line, tgt, toff*8+y*bipl);
if(twoDim) {
if(fo==1) is1D = ((data[boff>>>3]>>>(7-(boff&7)))&1)==1;
if(fo==2) is1D = ((data[boff>>>3]>>>( (boff&7)))&1)==1;
boff++;
}
//log("EOL",y, "next 1D:", is1D);
wrd=""; clr=0; y++; a0=0;
pline=U._makeDiff(line); line=[];
}
}
if(line.length==w) U._writeBits(line, tgt, toff*8+y*bipl);
}
UTIF.decode._addNtimes = function(arr, n, val) { for(var i=0; i<n; i++) arr.push(val); }
UTIF.decode._writeBits = function(bits, tgt, boff)
{
for(var i=0; i<bits.length; i++) tgt[(boff+i)>>>3] |= (bits[i]<<(7-((boff+i)&7)));
}
UTIF.decode._decodeLZW=UTIF.decode._decodeLZW=function(){var e,U,Z,u,K=0,V=0,g=0,N=0,O=function(){var S=e>>>3,A=U[S]<<16|U[S+1]<<8|U[S+2],j=A>>>24-(e&7)-V&(1<<V)-1;
e+=V;return j},h=new Uint32Array(4096*4),w=0,m=function(S){if(S==w)return;w=S;g=1<<S;N=g+1;for(var A=0;
A<N+1;A++){h[4*A]=h[4*A+3]=A;h[4*A+1]=65535;h[4*A+2]=1}},i=function(S){V=S+1;K=N+1},D=function(S){var A=S<<2,j=h[A+2],a=u+j-1;
while(A!=65535){Z[a--]=h[A];A=h[A+1]}u+=j},L=function(S,A){var j=K<<2,a=S<<2;h[j]=h[(A<<2)+3];h[j+1]=a;
h[j+2]=h[a+2]+1;h[j+3]=h[a+3];K++;if(K+1==1<<V&&V!=12)V++},T=function(S,A,j,a,n,q){e=A<<3;U=S;Z=a;u=n;
var B=A+j<<3,_=0,t=0;m(q);i(q);while(e<B&&(_=O())!=N){if(_==g){i(q);_=O();if(_==N)break;D(_)}else{if(_<K){D(_);
L(t,_)}else{L(t,t);D(K-1)}}t=_}return u};return T}();
UTIF.tags = {};
//UTIF.ttypes = { 256:3,257:3,258:3, 259:3, 262:3, 273:4, 274:3, 277:3,278:4,279:4, 282:5, 283:5, 284:3, 286:5,287:5, 296:3, 305:2, 306:2, 338:3, 513:4, 514:4, 34665:4 };
// start at tag 250
UTIF._types = function() {
var main = new Array(250); main.fill(0);
main = main.concat([0,0,0,0,4,3,3,3,3,3,0,0,3,0,0,0,3,0,0,2,2,2,2,4,3,0,0,3,4,4,3,3,5,5,3,2,5,5,0,0,0,0,4,4,0,0,3,3,0,0,0,0,0,0,0,2,2,0,0,0,0,0,0,0,0,2,2,3,5,5,3,0,3,3,4,4,4,3,4,0,0,0,0,0,0,0,0,0,3,3,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,3,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]);
var rest = {33432: 2, 33434: 5, 33437: 5, 34665: 4, 34850: 3, 34853: 4, 34855: 3, 34864: 3, 34866: 4, 36864: 7, 36867: 2, 36868: 2, 37121: 7, 37377: 10, 37378: 5, 37380: 10, 37381: 5, 37383: 3, 37384: 3, 37385: 3, 37386: 5, 37510: 7, 37520: 2, 37521: 2, 37522: 2, 40960: 7, 40961: 3, 40962: 4, 40963: 4, 40965: 4, 41486: 5, 41487: 5, 41488: 3, 41985: 3, 41986: 3, 41987: 3, 41988: 5, 41989: 3, 41990: 3, 41993: 3, 41994: 3, 41995: 7, 41996: 3, 42032: 2, 42033: 2, 42034: 5, 42036: 2, 42037: 2, 59932: 7};
return {
basic: {
main: main,
rest: rest
},
gps: {
main: [1,2,5,2,5,1,5,5,0,9],
rest: {18:2,29:2}
}
}
}();
UTIF._readIFD = function(bin, data, offset, ifds, depth, prm)
{
var cnt = bin.readUshort(data, offset); offset+=2;
var ifd = {};
if(prm.debug) log(" ".repeat(depth),ifds.length-1,">>>----------------");
for(var i=0; i<cnt; i++)
{
var tag = bin.readUshort(data, offset); offset+=2;
var type = bin.readUshort(data, offset); offset+=2;
var num = bin.readUint (data, offset); offset+=4;
var voff = bin.readUint (data, offset); offset+=4;
var arr = [];
//ifd["t"+tag+"-"+UTIF.tags[tag]] = arr;
if(type== 1 || type==7) { var no=(num<5 ? offset-4 : voff); if(no+num>data.buffer.byteLength) num=data.buffer.byteLength-no; arr = new Uint8Array(data.buffer, no, num); }
if(type== 2) { var o0 = (num<5 ? offset-4 : voff), c=data[o0], len=Math.max(0, Math.min(num-1,data.length-o0));
if(c<128 || len==0) arr.push( bin.readASCII(data, o0, len) );
else arr = new Uint8Array(data.buffer, o0, len); }
if(type== 3) { for(var j=0; j<num; j++) arr.push(bin.readUshort(data, (num<3 ? offset-4 : voff)+2*j)); }
if(type== 4
|| type==13) { for(var j=0; j<num; j++) arr.push(bin.readUint (data, (num<2 ? offset-4 : voff)+4*j)); }
if(type== 5 || type==10) {
var ri = type==5 ? bin.readUint : bin.readInt;
for(var j=0; j<num; j++) arr.push([ri(data, voff+j*8), ri(data,voff+j*8+4)]); }
if(type== 8) { for(var j=0; j<num; j++) arr.push(bin.readShort (data, (num<3 ? offset-4 : voff)+2*j)); }
if(type== 9) { for(var j=0; j<num; j++) arr.push(bin.readInt (data, (num<2 ? offset-4 : voff)+4*j)); }
if(type==11) { for(var j=0; j<num; j++) arr.push(bin.readFloat (data, voff+j*4)); }
if(type==12) { for(var j=0; j<num; j++) arr.push(bin.readDouble(data, voff+j*8)); }
if(num!=0 && arr.length==0) { log(tag, "unknown TIFF tag type: ", type, "num:",num); if(i==0)return; continue; }
if(prm.debug) log(" ".repeat(depth), tag, type, UTIF.tags[tag], arr);
ifd["t"+tag] = arr;
if(tag==330 && ifd["t272"] && ifd["t272"][0]=="DSLR-A100") { }
else if(tag==330 || tag==34665 || tag==34853 || (tag==50740 && bin.readUshort(data,bin.readUint(arr,0))<300 ) ||tag==61440) {
var oarr = tag==50740 ? [bin.readUint(arr,0)] : arr;
var subfd = [];
for(var j=0; j<oarr.length; j++) UTIF._readIFD(bin, data, oarr[j], subfd, depth+1, prm);
if(tag== 330) ifd.subIFD = subfd;
if(tag==34665) ifd.exifIFD = subfd[0];
if(tag==34853) ifd.gpsiIFD = subfd[0]; //console.log("gps", subfd[0]); }
if(tag==50740) ifd.dngPrvt = subfd[0];
if(tag==61440) ifd.fujiIFD = subfd[0];
}
if(tag==37500 && prm.parseMN) {
var mn = arr;
//console.log(bin.readASCII(mn,0,mn.length), mn);
if(bin.readASCII(mn,0,5)=="Nikon") ifd.makerNote = UTIF["decode"](mn.slice(10).buffer)[0];
else if(bin.readASCII(mn,0,5)=="OLYMP" || bin.readASCII(mn,0,9)=="OM SYSTEM") { // ???
var inds = [8208,8224,8240,8256,8272];
var subsub = []; UTIF._readIFD(bin, mn, mn[1]==77 ? 16 : (mn[5]==85 ? 12 : 8), subsub, depth+1, prm);
var obj = ifd.makerNote = subsub.pop();
for(var j=0; j<inds.length; j++) {
var k="t"+inds[j]; if(obj[k]==null) continue;
if(obj[k].length==1) UTIF._readIFD(bin, mn , obj[k][0], subsub, depth+1, prm);
else UTIF._readIFD(bin, obj[k], 0 , subsub, depth+1, prm);
obj[k] = subsub.pop();
}
if(obj["t12288"]) {
UTIF._readIFD(bin, obj["t12288"], 0, subsub, depth+1, prm);
obj["t12288"]=subsub.pop();
}
}
else if(bin.readUshort(data,voff)<300 && bin.readUshort(data,voff+4)<=12){
var subsub=[]; UTIF._readIFD(bin, data, voff, subsub, depth+1, prm);
ifd.makerNote = subsub[0];
}
}
}
ifds.push(ifd);
if(prm.debug) log(" ".repeat(depth),"<<<---------------");
return offset;
}
UTIF._writeIFD = function(bin, types, data, offset, ifd)
{
var keys = Object.keys(ifd), knum=keys.length; if(ifd["exifIFD"]) knum--; if(ifd["gpsiIFD"]) knum--;
bin.writeUshort(data, offset, knum); offset+=2;
var eoff = offset + knum*12 + 4;
for(var ki=0; ki<keys.length; ki++)
{
var key = keys[ki]; if(key=="t34665" || key=="t34853") continue;
if(key=="exifIFD") key="t34665"; if(key=="gpsiIFD") key="t34853";
var tag = parseInt(key.slice(1)), type = types.main[tag]; if(type==null) type=types.rest[tag];
if(type==null || type==0) throw new Error("unknown type of tag: "+tag);
//console.log(offset+":", tag, type, eoff);
var val = ifd[key];
if(tag==34665) {
var outp = UTIF._writeIFD(bin, types, data, eoff, ifd["exifIFD"]);
val = [eoff]; eoff = outp[1];
}
if(tag==34853) {
var outp = UTIF._writeIFD(bin, UTIF._types.gps, data, eoff, ifd["gpsiIFD"]);
val = [eoff]; eoff = outp[1];
}
if(type==2) val=val[0]+"\u0000"; var num = val.length;
bin.writeUshort(data, offset, tag ); offset+=2;
bin.writeUshort(data, offset, type); offset+=2;
bin.writeUint (data, offset, num ); offset+=4;
var dlen = [-1, 1, 1, 2, 4, 8, 0, 1, 0, 4, 8, 0, 8][type] * num; //if(dlen<1) throw "e";
var toff = offset;
if(dlen>4) { bin.writeUint(data, offset, eoff); toff=eoff; }
if (type== 1 || type==7) { for(var i=0; i<num; i++) data[toff+i] = val[i]; }
else if(type== 2) { bin.writeASCII(data, toff, val); }
else if(type== 3) { for(var i=0; i<num; i++) bin.writeUshort(data, toff+2*i, val[i]); }
else if(type== 4) { for(var i=0; i<num; i++) bin.writeUint (data, toff+4*i, val[i]); }
else if(type== 5 || type==10) {
var wr = type==5?bin.writeUint:bin.writeInt;
for(var i=0; i<num; i++) {
var v=val[i],nu=v[0],de=v[1]; if(nu==null) throw "e"; wr(data, toff+8*i, nu); wr(data, toff+8*i+4, de); } }
else if(type== 9) { for(var i=0; i<num; i++) bin.writeInt (data, toff+4*i, val[i]); }
else if(type==12) { for(var i=0; i<num; i++) bin.writeDouble(data, toff+8*i, val[i]); }
else throw type;
if(dlen>4) { dlen += (dlen&1); eoff += dlen; }
offset += 4;
}
return [offset, eoff];
}
UTIF.toRGBA8 = function(out, scl)
{
function gamma(x) { return x < 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1.0 / 2.4) - 0.055; }
var w = out.width, h = out.height, area = w*h, qarea = area*4, data = out.data;
var img = new Uint8Array(area*4);
//console.log(out);
// 0: WhiteIsZero, 1: BlackIsZero, 2: RGB, 3: Palette color, 4: Transparency mask, 5: CMYK
var intp = (out["t262"] ? out["t262"][0]: 2), bps = (out["t258"]?Math.min(32,out["t258"][0]):1);
if(out["t262"]==null && bps==1) intp=0;
var smpls = out["t277"]?out["t277"][0] : (out["t258"]?out["t258"].length : [1,1,3,1,1,4,3][intp]); //if(out["t259"] && out["t259"][0]==7) smpls=3; // jpg
var sfmt = out["t339"]?out["t339"][0] : null; if(intp==1 && bps==32 && sfmt!=3) throw "e"; // sample format
var bpl = Math.ceil(smpls*bps*w/8);
//log("interpretation: ", intp, "smpls", smpls, "bps", bps, "sample format",sfmt, out);
if(false) {}
else if(intp==0)
{
scl = 1/256; // "Photopeatest.tif"
for(var y=0; y<h; y++) {
var off = y*bpl, io = y*w;
if(bps== 1) for(var i=0; i<w; i++) { var qi=(io+i)<<2, px=((data[off+(i>>3)])>>(7- (i&7)))& 1; img[qi]=img[qi+1]=img[qi+2]=( 1-px)*255; img[qi+3]=255; }
if(bps== 4) for(var i=0; i<w; i++) { var qi=(io+i)<<2, px=((data[off+(i>>1)])>>(4-4*(i&1)))&15; img[qi]=img[qi+1]=img[qi+2]=(15-px)* 17; img[qi+3]=255; }
if(bps== 8) for(var i=0; i<w; i++) { var qi=(io+i)<<2, px=data[off+i]; img[qi]=img[qi+1]=img[qi+2]=255-px; img[qi+3]=255; }
if(bps==16) for(var i=0; i<w; i++) { var qi=(io+i)<<2, o=off+(2*i), px=(data[o+1]<<8)|data[o]; img[qi]=img[qi+1]=img[qi+2]= Math.min(255,255-(~~(px*scl))); img[qi+3]=255; } // ladoga.tif
}
}
else if(intp==1)
{
if(scl==null) scl=1/256;
var f32 = ((data.length&3)==0) ? new Float32Array(data.buffer) : null;
for(var y=0; y<h; y++) {
var off = y*bpl, io = y*w;
if(bps== 1) for(var i=0; i<w; i++) { var qi=(io+i)<<2, px=((data[off+(i>>3)])>>(7- (i&7)))&1; img[qi]=img[qi+1]=img[qi+2]=(px)*255; img[qi+3]=255; }
if(bps== 2) for(var i=0; i<w; i++) { var qi=(io+i)<<2, px=((data[off+(i>>2)])>>(6-2*(i&3)))&3; img[qi]=img[qi+1]=img[qi+2]=(px)* 85; img[qi+3]=255; }
if(bps== 8) for(var i=0; i<w; i++) { var qi=(io+i)<<2, px=data[off+i*smpls]; img[qi]=img[qi+1]=img[qi+2]= px; img[qi+3]=255; }
if(bps==16) for(var i=0; i<w; i++) { var qi=(io+i)<<2, o=off+(2*i), px=(data[o+1]<<8)|data[o]; img[qi]=img[qi+1]=img[qi+2]= Math.min(255,~~(px*scl)); img[qi+3]=255; } // ladoga.tif
if(bps==32) for(var i=0; i<w; i++) { var qi=(io+i)<<2, o=(off>>>2)+i, px=f32[o]; img[qi]=img[qi+1]=img[qi+2]= ~~(0.5+255*px); img[qi+3]=255; }
}
}
else if(intp==2)
{
if(bps== 8)
{
if(smpls==1) for(var i=0; i<area; i++) { img[4*i]=img[4*i+1]=img[4*i+2]=data[i]; img[4*i+3]=255; }
if(smpls==3) for(var i=0; i<area; i++) { var qi=i<<2, ti=i*3 ; img[qi]=data[ti]; img[qi+1]=data[ti+1]; img[qi+2]=data[ti+2]; img[qi+3]=255; }
if(smpls>=4) for(var i=0; i<area; i++) { var qi=i<<2, ti=i*smpls; img[qi]=data[ti]; img[qi+1]=data[ti+1]; img[qi+2]=data[ti+2]; img[qi+3]=data[ti+3]; }
}
else if(bps==16){ // 3x 16-bit channel
if(smpls==4) for(var i=0; i<area; i++) { var qi=i<<2, ti=i*8+1; img[qi]=data[ti]; img[qi+1]=data[ti+2]; img[qi+2]=data[ti+4]; img[qi+3]=data[ti+6]; }
if(smpls==3) for(var i=0; i<area; i++) { var qi=i<<2, ti=i*6+1; img[qi]=data[ti]; img[qi+1]=data[ti+2]; img[qi+2]=data[ti+4]; img[qi+3]=255; }
}
else if(bps==32){
var ndt = new Float32Array(data.buffer); // t339 is [3,3,3]
// check the endianity
var min = 0; for(var i=0; i<ndt.length; i++) min = Math.min(min,ndt[i]);
if(min<0) for(var i=0; i<data.length; i+=4) { var t=data[i]; data[i]=data[i+3]; data[i+3]=t; t=data[i+1]; data[i+1]=data[i+2]; data[i+2]=t; }
// gamma correction
var pmap = []; for(var i=0; i<65536; i++) pmap.push(gamma(i/65535));
for(var i=0; i<ndt.length; i++) { var cv = Math.max(0, Math.min(1, ndt[i])); ndt[i] = pmap[~~(0.5+cv*65535)]; }
if(smpls==3) for(var i=0; i<area; i++) { var qi=i<<2, ti=i*3;
img[qi]=~~(0.5+ndt[ti]*255); img[qi+1]=~~(0.5+ndt[ti+1]*255); img[qi+2]=~~(0.5+ndt[ti+2]*255); img[qi+3]=255; }
else if(smpls==4) for(var i=0; i<area; i++) { var qi=i<<2, ti=i*4;
img[qi]=~~(0.5+ndt[ti]*255); img[qi+1]=~~(0.5+ndt[ti+1]*255); img[qi+2]=~~(0.5+ndt[ti+2]*255); img[qi+3]=~~(0.5+ndt[ti+3]*255); }
else throw smpls;
}
else throw bps;
}
else if(intp==3)
{
var map = out["t320"];
var cn = 1<<bps;
var nexta = bps==8 && smpls>1 && out["t338"] && out["t338"][0]!=0;
for(var y=0; y<h; y++)
for(var x=0; x<w; x++) {
var i = y*w+x;
var qi=i<<2, mi=0;
var dof = y*bpl;
if(false) {}
else if(bps==1) mi=(data[dof+(x>>>3)]>>>(7- (x&7)))& 1;
else if(bps==2) mi=(data[dof+(x>>>2)]>>>(6-2*(x&3)))& 3;
else if(bps==4) mi=(data[dof+(x>>>1)]>>>(4-4*(x&1)))&15;
else if(bps==8) mi= data[dof+x*smpls];
else throw bps;
img[qi]=(map[mi]>>8); img[qi+1]=(map[cn+mi]>>8); img[qi+2]=(map[cn+cn+mi]>>8); img[qi+3]=nexta ? data[dof+x*smpls+1] : 255;
}
}
else if(intp==5)
{
var gotAlpha = smpls>4 ? 1 : 0;
for(var i=0; i<area; i++) {
var qi=i<<2, si=i*smpls;
if(window.UDOC) {
var C=data[si], M=data[si+1], Y=data[si+2], K=data[si+3];
var c = UDOC.C.cmykToRgb([C*(1/255), M*(1/255), Y*(1/255), K*(1/255)]);
img[qi] = ~~(0.5+255*c[0]); img[qi+1] = ~~(0.5+255*c[1]); img[qi+2] = ~~(0.5+255*c[2]);
}
else {
var C=255-data[si], M=255-data[si+1], Y=255-data[si+2], K=(255-data[si+3])*(1/255);
img[qi]=~~(C*K+0.5); img[qi+1]=~~(M*K+0.5); img[qi+2]=~~(Y*K+0.5);
}
img[qi+3]=255*(1-gotAlpha)+data[si+4]*gotAlpha;
}
}
else if(intp==6 && out["t278"]) { // only for DSC_1538.TIF
var rps = out["t278"][0];
for(var y=0; y<h; y+=rps) {
var i=(y*w), len = rps*w;
for(var j=0; j<len; j++) {
var qi = 4*(i+j), si = 3*i+4*(j>>>1);
var Y = data[si+(j&1)], Cb=data[si+2]-128, Cr=data[si+3]-128;
var r = Y + ( (Cr >> 2) + (Cr >> 3) + (Cr >> 5) ) ;
var g = Y - ( (Cb >> 2) + (Cb >> 4) + (Cb >> 5)) - ( (Cr >> 1) + (Cr >> 3) + (Cr >> 4) + (Cr >> 5)) ;
var b = Y + ( Cb + (Cb >> 1) + (Cb >> 2) + (Cb >> 6)) ;
img[qi ]=Math.max(0,Math.min(255,r));
img[qi+1]=Math.max(0,Math.min(255,g));
img[qi+2]=Math.max(0,Math.min(255,b));
img[qi+3]=255;
}
}
}
else if(intp==8) { // CIELAB
//console.log(smpls, bps, w, h);
if(smpls!=3 || bps!=16) throw "e";
var u16 = new Uint16Array(data.buffer);
var i16 = new Int16Array (data.buffer);
var M = [3.1338561, -1.6168667, -0.4906146, -0.9787684, 1.9161415, 0.0334540, 0.0719453, -0.2289914, 1.4052427]
for(var y=0; y<h; y++)
for(var x=0; x<w; x++) {
var i = y*w+x, qi=i*4, ti=i*3;
var L = u16[ti]*(100/0xffff), a=i16[ti+1]*(255/0xffff), b=i16[ti+2]*(255/0xffff);
//var rgb = GR.labToRgb(L,a,b);
var k = 903.3, e = 0.008856;
var fy = (L+16)/116, fy3 = fy*fy*fy;
var fz = fy - b/200, fz3 = fz*fz*fz;
var fx = a/500 + fy, fx3 = fx*fx*fx;
var zr = fz3>e ? fz3 : (116*fz-16)/k;
var yr = fy3>e ? fy3 : (116*fy-16)/k;
var xr = fx3>e ? fx3 : (116*fx-16)/k;
var X = xr*(96.42/100), Y = yr*(100/100), Z = zr*(82.49/100);
img[qi ] = Math.max(0, Math.min(255, gamma(X*M[0] + Y*M[1] + Z*M[2])*255));
img[qi+1] = Math.max(0, Math.min(255, gamma(X*M[3] + Y*M[4] + Z*M[5])*255));
img[qi+2] = Math.max(0, Math.min(255, gamma(X*M[6] + Y*M[7] + Z*M[8])*255));
img[qi+3] = 255;
}
}
else if(intp==32845) {
for(var y=0; y<h; y++)
for(var x=0; x<w; x++) {
var si = (y*w+x)*6, qi=(y*w+x)*4;
var L = (data[si+1]<<8) | data[si];
var L = Math.pow(2, (L + 0.5) / 256 - 64);
var u = (data[si+3] + 0.5) / 410;
var v = (data[si+5] + 0.5) / 410;
// Luv to xyY
var sX = (9 * u) / (6 * u - 16 * v + 12);
var sY = (4 * v) / (6 * u - 16 * v + 12);
var bY = L;
// xyY to XYZ
var X = (sX*bY)/sY, Y = bY, Z = (1-sX-sY)*bY/sY;
var r = 2.690*X -1.276*Y -0.414*Z
var g = -1.022*X +1.978*Y +0.044*Z
var b = 0.061*X -0.224*Y +1.163*Z
img[qi ] = gamma(Math.min(r,1))*255;
img[qi+1] = gamma(Math.min(g,1))*255;
img[qi+2] = gamma(Math.min(b,1))*255;
img[qi+3] = 255;
}
}
else log("Unknown Photometric interpretation: "+intp);
return img;
}
UTIF.replaceIMG = function(imgs)
{
if(imgs==null) imgs = document.getElementsByTagName("img");
var sufs = ["tif","tiff","dng","cr2","nef"]
for (var i=0; i<imgs.length; i++)
{
var img=imgs[i], src=img.getAttribute("src"); if(src==null) continue;
var suff=src.split(".").pop().toLowerCase();
if(sufs.indexOf(suff)==-1) continue;
var xhr = new XMLHttpRequest(); UTIF._xhrs.push(xhr); UTIF._imgs.push(img);
xhr.open("GET", src); xhr.responseType = "arraybuffer";
xhr.onload = UTIF._imgLoaded; xhr.send();
}
}
UTIF._xhrs = []; UTIF._imgs = [];
UTIF._imgLoaded = function(e) {
var ind = UTIF._xhrs.indexOf(e.target), img = UTIF._imgs[ind];
UTIF._xhrs.splice(ind,1); UTIF._imgs.splice(ind,1);
img.setAttribute("src",UTIF.bufferToURI(e.target.response));
}
UTIF.bufferToURI = function(buff) {
var ifds = UTIF.decode(buff); //console.log(ifds);
var vsns = ifds, ma=0, page=vsns[0]; if(ifds[0].subIFD) vsns = vsns.concat(ifds[0].subIFD);
for(var i=0; i<vsns.length; i++) {
var img = vsns[i];
if(img["t258"]==null || img["t258"].length<3) continue;
var ar = img["t256"]*img["t257"];
if(ar>ma) { ma=ar; page=img; }
}
UTIF.decodeImage(buff, page, ifds);
var rgba = UTIF.toRGBA8(page), w=page.width, h=page.height;
var cnv = document.createElement("canvas"); cnv.width=w; cnv.height=h;
var ctx = cnv.getContext("2d");
var imgd = new ImageData(new Uint8ClampedArray(rgba.buffer),w,h);
ctx.putImageData(imgd,0,0);
return cnv.toDataURL();
}
UTIF._binBE =
{
nextZero : function(data, o) { while(data[o]!=0) o++; return o; },
readUshort : function(buff, p) { return (buff[p]<< 8) | buff[p+1]; },
readShort : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+1]; a[1]=buff[p+0]; return UTIF._binBE. i16[0]; },
readInt : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+3]; a[1]=buff[p+2]; a[2]=buff[p+1]; a[3]=buff[p+0]; return UTIF._binBE. i32[0]; },
readUint : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+3]; a[1]=buff[p+2]; a[2]=buff[p+1]; a[3]=buff[p+0]; return UTIF._binBE.ui32[0]; },
readASCII : function(buff, p, l) { var s = ""; for(var i=0; i<l; i++) s += String.fromCharCode(buff[p+i]); return s; },
readFloat : function(buff, p) { var a=UTIF._binBE.ui8; for(var i=0;i<4;i++) a[i]=buff[p+3-i]; return UTIF._binBE.fl32[0]; },
readDouble : function(buff, p) { var a=UTIF._binBE.ui8; for(var i=0;i<8;i++) a[i]=buff[p+7-i]; return UTIF._binBE.fl64[0]; },
writeUshort: function(buff, p, n) { buff[p] = (n>> 8)&255; buff[p+1] = n&255; },
writeInt : function(buff, p, n) { var a=UTIF._binBE.ui8; UTIF._binBE.i32[0]=n; buff[p+3]=a[0]; buff[p+2]=a[1]; buff[p+1]=a[2]; buff[p+0]=a[3]; },
writeUint : function(buff, p, n) { buff[p] = (n>>24)&255; buff[p+1] = (n>>16)&255; buff[p+2] = (n>>8)&255; buff[p+3] = (n>>0)&255; },
writeASCII : function(buff, p, s) { for(var i = 0; i < s.length; i++) buff[p+i] = s.charCodeAt(i); },
writeDouble: function(buff, p, n)
{
UTIF._binBE.fl64[0] = n;
for (var i = 0; i < 8; i++) buff[p + i] = UTIF._binBE.ui8[7 - i];
}
}
UTIF._binBE.ui8 = new Uint8Array (8);
UTIF._binBE.i16 = new Int16Array (UTIF._binBE.ui8.buffer);
UTIF._binBE.i32 = new Int32Array (UTIF._binBE.ui8.buffer);
UTIF._binBE.ui32 = new Uint32Array (UTIF._binBE.ui8.buffer);
UTIF._binBE.fl32 = new Float32Array(UTIF._binBE.ui8.buffer);
UTIF._binBE.fl64 = new Float64Array(UTIF._binBE.ui8.buffer);
UTIF._binLE =
{
nextZero : UTIF._binBE.nextZero,
readUshort : function(buff, p) { return (buff[p+1]<< 8) | buff[p]; },
readShort : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+0]; a[1]=buff[p+1]; return UTIF._binBE. i16[0]; },
readInt : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+0]; a[1]=buff[p+1]; a[2]=buff[p+2]; a[3]=buff[p+3]; return UTIF._binBE. i32[0]; },
readUint : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+0]; a[1]=buff[p+1]; a[2]=buff[p+2]; a[3]=buff[p+3]; return UTIF._binBE.ui32[0]; },
readASCII : UTIF._binBE.readASCII,
readFloat : function(buff, p) { var a=UTIF._binBE.ui8; for(var i=0;i<4;i++) a[i]=buff[p+ i]; return UTIF._binBE.fl32[0]; },
readDouble : function(buff, p) { var a=UTIF._binBE.ui8; for(var i=0;i<8;i++) a[i]=buff[p+ i]; return UTIF._binBE.fl64[0]; },
writeUshort: function(buff, p, n) { buff[p] = (n)&255; buff[p+1] = (n>>8)&255; },
writeInt : function(buff, p, n) { var a=UTIF._binBE.ui8; UTIF._binBE.i32[0]=n; buff[p+0]=a[0]; buff[p+1]=a[1]; buff[p+2]=a[2]; buff[p+3]=a[3]; },
writeUint : function(buff, p, n) { buff[p] = (n>>>0)&255; buff[p+1] = (n>>>8)&255; buff[p+2] = (n>>>16)&255; buff[p+3] = (n>>>24)&255; },
writeASCII : UTIF._binBE.writeASCII
}
UTIF._copyTile = function(tb, tw, th, b, w, h, xoff, yoff)
{
//log("copyTile", tw, th, w, h, xoff, yoff);
var xlim = Math.min(tw, w-xoff);
var ylim = Math.min(th, h-yoff);
for(var y=0; y<ylim; y++)
{
var tof = (yoff+y)*w+xoff;
var sof = y*tw;
for(var x=0; x<xlim; x++) b[tof+x] = tb[sof+x];
}
}
UTIF._inflateRaw=function(){var H={};H.H={};H.H.N=function(N,W){var R=Uint8Array,i=0,m=0,J=0,h=0,Q=0,X=0,u=0,w=0,d=0,v,C;
if(N[0]==3&&N[1]==0)return W?W:new R(0);var V=H.H,n=V.b,A=V.e,l=V.R,M=V.n,I=V.A,e=V.Z,b=V.m,Z=W==null;
if(Z)W=new R(N.length>>>2<<5);while(i==0){i=n(N,d,1);m=n(N,d+1,2);d+=3;if(m==0){if((d&7)!=0)d+=8-(d&7);
var D=(d>>>3)+4,q=N[D-4]|N[D-3]<<8;if(Z)W=H.H.W(W,w+q);W.set(new R(N.buffer,N.byteOffset+D,q),w);d=D+q<<3;
w+=q;continue}if(Z)W=H.H.W(W,w+(1<<17));if(m==1){v=b.J;C=b.h;X=(1<<9)-1;u=(1<<5)-1}if(m==2){J=A(N,d,5)+257;
h=A(N,d+5,5)+1;Q=A(N,d+10,4)+4;d+=14;var E=d,j=1;for(var c=0;c<38;c+=2){b.Q[c]=0;b.Q[c+1]=0}for(var c=0;
c<Q;c++){var K=A(N,d+c*3,3);b.Q[(b.X[c]<<1)+1]=K;if(K>j)j=K}d+=3*Q;M(b.Q,j);I(b.Q,j,b.u);v=b.w;C=b.d;
d=l(b.u,(1<<j)-1,J+h,N,d,b.v);var r=V.V(b.v,0,J,b.C);X=(1<<r)-1;var S=V.V(b.v,J,h,b.D);u=(1<<S)-1;M(b.C,r);
I(b.C,r,v);M(b.D,S);I(b.D,S,C)}while(!0){var T=v[e(N,d)&X];d+=T&15;var p=T>>>4;if(p>>>8==0){W[w++]=p}else if(p==256){break}else{var z=w+p-254;
if(p>264){var _=b.q[p-257];z=w+(_>>>3)+A(N,d,_&7);d+=_&7}var $=C[e(N,d)&u];d+=$&15;var s=$>>>4,Y=b.c[s],a=(Y>>>4)+n(N,d,Y&15);
d+=Y&15;while(w<z){W[w]=W[w++-a];W[w]=W[w++-a];W[w]=W[w++-a];W[w]=W[w++-a]}w=z}}}return W.length==w?W:W.slice(0,w)};
H.H.W=function(N,W){var R=N.length;if(W<=R)return N;var V=new Uint8Array(R<<1);V.set(N,0);return V};
H.H.R=function(N,W,R,V,n,A){var l=H.H.e,M=H.H.Z,I=0;while(I<R){var e=N[M(V,n)&W];n+=e&15;var b=e>>>4;
if(b<=15){A[I]=b;I++}else{var Z=0,m=0;if(b==16){m=3+l(V,n,2);n+=2;Z=A[I-1]}else if(b==17){m=3+l(V,n,3);
n+=3}else if(b==18){m=11+l(V,n,7);n+=7}var J=I+m;while(I<J){A[I]=Z;I++}}}return n};H.H.V=function(N,W,R,V){var n=0,A=0,l=V.length>>>1;
while(A<R){var M=N[A+W];V[A<<1]=0;V[(A<<1)+1]=M;if(M>n)n=M;A++}while(A<l){V[A<<1]=0;V[(A<<1)+1]=0;A++}return n};
H.H.n=function(N,W){var R=H.H.m,V=N.length,n,A,l,M,I,e=R.j;for(var M=0;M<=W;M++)e[M]=0;for(M=1;M<V;M+=2)e[N[M]]++;
var b=R.K;n=0;e[0]=0;for(A=1;A<=W;A++){n=n+e[A-1]<<1;b[A]=n}for(l=0;l<V;l+=2){I=N[l+1];if(I!=0){N[l]=b[I];
b[I]++}}};H.H.A=function(N,W,R){var V=N.length,n=H.H.m,A=n.r;for(var l=0;l<V;l+=2)if(N[l+1]!=0){var M=l>>1,I=N[l+1],e=M<<4|I,b=W-I,Z=N[l]<<b,m=Z+(1<<b);
while(Z!=m){var J=A[Z]>>>15-W;R[J]=e;Z++}}};H.H.l=function(N,W){var R=H.H.m.r,V=15-W;for(var n=0;n<N.length;
n+=2){var A=N[n]<<W-N[n+1];N[n]=R[A]>>>V}};H.H.M=function(N,W,R){R=R<<(W&7);var V=W>>>3;N[V]|=R;N[V+1]|=R>>>8};
H.H.I=function(N,W,R){R=R<<(W&7);var V=W>>>3;N[V]|=R;N[V+1]|=R>>>8;N[V+2]|=R>>>16};H.H.e=function(N,W,R){return(N[W>>>3]|N[(W>>>3)+1]<<8)>>>(W&7)&(1<<R)-1};
H.H.b=function(N,W,R){return(N[W>>>3]|N[(W>>>3)+1]<<8|N[(W>>>3)+2]<<16)>>>(W&7)&(1<<R)-1};H.H.Z=function(N,W){return(N[W>>>3]|N[(W>>>3)+1]<<8|N[(W>>>3)+2]<<16)>>>(W&7)};
H.H.i=function(N,W){return(N[W>>>3]|N[(W>>>3)+1]<<8|N[(W>>>3)+2]<<16|N[(W>>>3)+3]<<24)>>>(W&7)};H.H.m=function(){var N=Uint16Array,W=Uint32Array;
return{K:new N(16),j:new N(16),X:[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],S:[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,999,999,999],T:[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0],q:new N(32),p:[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,65535,65535],z:[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0],c:new W(32),J:new N(512),_:[],h:new N(32),$:[],w:new N(32768),C:[],v:[],d:new N(32768),D:[],u:new N(512),Q:[],r:new N(1<<15),s:new W(286),Y:new W(30),a:new W(19),t:new W(15e3),k:new N(1<<16),g:new N(1<<15)}}();
(function(){var N=H.H.m,W=1<<15;for(var R=0;R<W;R++){var V=R;V=(V&2863311530)>>>1|(V&1431655765)<<1;
V=(V&3435973836)>>>2|(V&858993459)<<2;V=(V&4042322160)>>>4|(V&252645135)<<4;V=(V&4278255360)>>>8|(V&16711935)<<8;
N.r[R]=(V>>>16|V<<16)>>>17}function n(A,l,M){while(l--!=0)A.push(0,M)}for(var R=0;R<32;R++){N.q[R]=N.S[R]<<3|N.T[R];
N.c[R]=N.p[R]<<4|N.z[R]}n(N._,144,8);n(N._,255-143,9);n(N._,279-255,7);n(N._,287-279,8);H.H.n(N._,9);
H.H.A(N._,9,N.J);H.H.l(N._,9);n(N.$,32,5);H.H.n(N.$,5);H.H.A(N.$,5,N.h);H.H.l(N.$,5);n(N.Q,19,0);n(N.C,286,0);
n(N.D,30,0);n(N.v,320,0)}());return H.H.N}();
UTIF.LosslessJpegDecode =function(){var Z,D;function A(){return Z[D++]}function J(){return Z[D++]<<8|Z[D++]}function a3(R){var f=A(),S=[0,0,0,255],H=[],G=8;
for(var y=0;y<16;y++)H[y]=A();for(var y=0;y<16;y++){for(var m=0;m<H[y];m++){var t=r(S,0,y+1,1);S[t+3]=A()}}var u=new Uint8Array(1<<G);
R[f]=[new Uint8Array(S),u];for(var y=0;y<1<<G;y++){var Y=G,_=y,d=0,s=0;while(S[d+3]==255&&Y!=0){s=_>>--Y&1;
d=S[d+s]}u[y]=d}}function r(R,f,S,H){if(R[f+3]!=255)return 0;if(S==0)return f;for(var y=0;y<2;y++){if(R[f+y]==0){R[f+y]=R.length;
R.push(0,0,H,255)}var m=r(R,R[f+y],S-1,H+1);if(m!=0)return m}return 0}function C(R){var f=R.c,S=R.f;
while(f<25&&R.d<R.a){var H=R.data[R.d++];if(H==255&&!R.b)R.d++;S=S<<8|H;f+=8}if(f<0)throw"e";R.c=f;R.f=S}function $(R,f){if(f.c<R)C(f);
return f.f>>(f.c-=R)&65535>>16-R}function P(R,f){var S=R[0],H=0,y=255,m=0;if(f.c<16)C(f);var t=f.f>>f.c-8&255;
H=R[1][t];y=S[H+3];f.c-=S[H+2];while(y==255){m=f.f>>--f.c&1;H=S[H+m];y=S[H+3]}return y}function e(R,f){if(R<32768>>16-f)R+=-(1<<f)+1;
return R}function a1(R,f){var S=P(R,f);if(S==0)return 0;if(S==16)return-32768;var H=$(S,f);return e(H,S)}function I(R,f,S,H,y,m){var t=0;
for(var G=0;G<m;G++){var Y=G*f;for(var _=0;_<f;_+=y){t++;for(var d=0;d<y;d++)R[Y+_+d]=a1(H[d],S)}if(S.e!=0&&t%S.e==0&&G!=0){var s=S.d,F=S.data;
while(F[s]!=255||!(208<=F[s+1]&&F[s+1]<=215))s--;S.d=s+2;S.f=0;S.c=0}}}function K(R,f){return e($(R,f),R)}function a2(R,f,S,H,y){var m=Z.length-D;
for(var t=0;t<m;t+=4){var G=Z[D+t];Z[D+t]=Z[D+t+3];Z[D+t+3]=G;var G=Z[D+t+1];Z[D+t+1]=Z[D+t+2];Z[D+t+2]=G}for(var u=0;
u<y;u++){var Y=32768,_=32768;for(var d=0;d<f;d+=2){var s=P(H,S),F=P(H,S);if(s!=0)Y+=K(s,S);if(F!=0)_+=K(F,S);
R[u*f+d]=Y&65535;R[u*f+d+1]=_&65535}}}function l(R){Z=R;D=0;if(J()!=65496)throw"e";var f=[],S=0,H=0,y=0,m=[],t=[],G=[],u=0,Y=0,_=0;
while(!0){var d=J();if(d==65535){D--;continue}var s=J();if(d==65475){H=A();Y=J();_=J();u=A();for(var F=0;
F<u;F++){var p=A(),z=A(),o=A();if(o!=0)throw"e";f[p]=[F,z>>4,z&15]}}else if(d==65476){var a5=D+s-2;while(D<a5)a3(t)}else if(d==65498){D++;
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