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;(function(){ var UTIF = {}; // Make available for import by `require()` if (typeof module == "object") {module.exports = UTIF;} else {self.UTIF = UTIF;} var pako; if (typeof require == "function") {pako = require("pako");} else {pako = self.pako;} function log() { if (typeof process=="undefined" || process.env.NODE_ENV=="development") console.log.apply(console, arguments); } (function(UTIF, pako){ // Following lines add a JPEG decoder to UTIF.JpegDecoder (function(){var V="function"===typeof Symbol&&"symbol"===typeof Symbol.iterator?function(g){return typeof g}:function(g){return g&&"function"===typeof Symbol&&g.constructor===Symbol&&g!==Symbol.prototype?"symbol":typeof g},D=function(){function g(g){this.message="JPEG error: "+g}g.prototype=Error();g.prototype.name="JpegError";return g.constructor=g}(),P=function(){function g(g,D){this.message=g;this.g=D}g.prototype=Error();g.prototype.name="DNLMarkerError";return g.constructor=g}();(function(){function g(){this.M= null;this.B=-1}function W(a,d){for(var f=0,e=[],b,B,k=16;0<k&&!a[k-1];)k--;e.push({children:[],index:0});var l=e[0],r;for(b=0;b<k;b++){for(B=0;B<a[b];B++){l=e.pop();for(l.children[l.index]=d[f];0<l.index;)l=e.pop();l.index++;for(e.push(l);e.length<=b;)e.push(r={children:[],index:0}),l.children[l.index]=r.children,l=r;f++}b+1<k&&(e.push(r={children:[],index:0}),l.children[l.index]=r.children,l=r)}return e[0].children}function X(a,d,f,e,b,B,k,l,r){function n(){if(0<x)return x--,z>>x&1;z=a[d++];if(255=== z){var c=a[d++];if(c){if(220===c&&g){d+=2;var b=a[d++]<<8|a[d++];if(0<b&&b!==f.g)throw new P("Found DNL marker (0xFFDC) while parsing scan data",b);}throw new D("unexpected marker "+(z<<8|c).toString(16));}}x=7;return z>>>7}function q(a){for(;;){a=a[n()];if("number"===typeof a)return a;if("object"!==("undefined"===typeof a?"undefined":V(a)))throw new D("invalid huffman sequence");}}function h(a){for(var c=0;0<a;)c=c<<1|n(),a--;return c}function c(a){if(1===a)return 1===n()?1:-1;var c=h(a);return c>= 1<<a-1?c:c+(-1<<a)+1}function C(a,b){var d=q(a.D);d=0===d?0:c(d);a.a[b]=a.m+=d;for(d=1;64>d;){var h=q(a.o),k=h&15;h>>=4;if(0===k){if(15>h)break;d+=16}else d+=h,a.a[b+J[d]]=c(k),d++}}function w(a,d){var b=q(a.D);b=0===b?0:c(b)<<r;a.a[d]=a.m+=b}function p(a,c){a.a[c]|=n()<<r}function m(a,b){if(0<A)A--;else for(var d=B;d<=k;){var e=q(a.o),f=e&15;e>>=4;if(0===f){if(15>e){A=h(e)+(1<<e)-1;break}d+=16}else d+=e,a.a[b+J[d]]=c(f)*(1<<r),d++}}function t(a,d){for(var b=B,e=0,f;b<=k;){f=d+J[b];var l=0>a.a[f]? -1:1;switch(E){case 0:e=q(a.o);f=e&15;e>>=4;if(0===f)15>e?(A=h(e)+(1<<e),E=4):(e=16,E=1);else{if(1!==f)throw new D("invalid ACn encoding");Q=c(f);E=e?2:3}continue;case 1:case 2:a.a[f]?a.a[f]+=l*(n()<<r):(e--,0===e&&(E=2===E?3:0));break;case 3:a.a[f]?a.a[f]+=l*(n()<<r):(a.a[f]=Q<<r,E=0);break;case 4:a.a[f]&&(a.a[f]+=l*(n()<<r))}b++}4===E&&(A--,0===A&&(E=0))}var g=9<arguments.length&&void 0!==arguments[9]?arguments[9]:!1,u=f.P,v=d,z=0,x=0,A=0,E=0,Q,K=e.length,F,L,M,I;var R=f.S?0===B?0===l?w:p:0===l? m:t:C;var G=0;var O=1===K?e[0].c*e[0].l:u*f.O;for(var S,T;G<O;){var U=b?Math.min(O-G,b):O;for(F=0;F<K;F++)e[F].m=0;A=0;if(1===K){var y=e[0];for(I=0;I<U;I++)R(y,64*((y.c+1)*(G/y.c|0)+G%y.c)),G++}else for(I=0;I<U;I++){for(F=0;F<K;F++)for(y=e[F],S=y.h,T=y.j,L=0;L<T;L++)for(M=0;M<S;M++)R(y,64*((y.c+1)*((G/u|0)*y.j+L)+(G%u*y.h+M)));G++}x=0;(y=N(a,d))&&y.f&&((0,_util.warn)("decodeScan - unexpected MCU data, current marker is: "+y.f),d=y.offset);y=y&&y.F;if(!y||65280>=y)throw new D("marker was not found"); if(65488<=y&&65495>=y)d+=2;else break}(y=N(a,d))&&y.f&&((0,_util.warn)("decodeScan - unexpected Scan data, current marker is: "+y.f),d=y.offset);return d-v}function Y(a,d){for(var f=d.c,e=d.l,b=new Int16Array(64),B=0;B<e;B++)for(var k=0;k<f;k++){var l=64*((d.c+1)*B+k),r=b,n=d.G,q=d.a;if(!n)throw new D("missing required Quantization Table.");for(var h=0;64>h;h+=8){var c=q[l+h];var C=q[l+h+1];var w=q[l+h+2];var p=q[l+h+3];var m=q[l+h+4];var t=q[l+h+5];var g=q[l+h+6];var u=q[l+h+7];c*=n[h];if(0===(C| w|p|m|t|g|u))c=5793*c+512>>10,r[h]=c,r[h+1]=c,r[h+2]=c,r[h+3]=c,r[h+4]=c,r[h+5]=c,r[h+6]=c,r[h+7]=c;else{C*=n[h+1];w*=n[h+2];p*=n[h+3];m*=n[h+4];t*=n[h+5];g*=n[h+6];u*=n[h+7];var v=5793*c+128>>8;var z=5793*m+128>>8;var x=w;var A=g;m=2896*(C-u)+128>>8;u=2896*(C+u)+128>>8;p<<=4;t<<=4;v=v+z+1>>1;z=v-z;c=3784*x+1567*A+128>>8;x=1567*x-3784*A+128>>8;A=c;m=m+t+1>>1;t=m-t;u=u+p+1>>1;p=u-p;v=v+A+1>>1;A=v-A;z=z+x+1>>1;x=z-x;c=2276*m+3406*u+2048>>12;m=3406*m-2276*u+2048>>12;u=c;c=799*p+4017*t+2048>>12;p=4017* p-799*t+2048>>12;t=c;r[h]=v+u;r[h+7]=v-u;r[h+1]=z+t;r[h+6]=z-t;r[h+2]=x+p;r[h+5]=x-p;r[h+3]=A+m;r[h+4]=A-m}}for(n=0;8>n;++n)c=r[n],C=r[n+8],w=r[n+16],p=r[n+24],m=r[n+32],t=r[n+40],g=r[n+48],u=r[n+56],0===(C|w|p|m|t|g|u)?(c=5793*c+8192>>14,c=-2040>c?0:2024<=c?255:c+2056>>4,q[l+n]=c,q[l+n+8]=c,q[l+n+16]=c,q[l+n+24]=c,q[l+n+32]=c,q[l+n+40]=c,q[l+n+48]=c,q[l+n+56]=c):(v=5793*c+2048>>12,z=5793*m+2048>>12,x=w,A=g,m=2896*(C-u)+2048>>12,u=2896*(C+u)+2048>>12,v=(v+z+1>>1)+4112,z=v-z,c=3784*x+1567*A+2048>> 12,x=1567*x-3784*A+2048>>12,A=c,m=m+t+1>>1,t=m-t,u=u+p+1>>1,p=u-p,v=v+A+1>>1,A=v-A,z=z+x+1>>1,x=z-x,c=2276*m+3406*u+2048>>12,m=3406*m-2276*u+2048>>12,u=c,c=799*p+4017*t+2048>>12,p=4017*p-799*t+2048>>12,t=c,c=v+u,u=v-u,C=z+t,g=z-t,w=x+p,t=x-p,p=A+m,m=A-m,c=16>c?0:4080<=c?255:c>>4,C=16>C?0:4080<=C?255:C>>4,w=16>w?0:4080<=w?255:w>>4,p=16>p?0:4080<=p?255:p>>4,m=16>m?0:4080<=m?255:m>>4,t=16>t?0:4080<=t?255:t>>4,g=16>g?0:4080<=g?255:g>>4,u=16>u?0:4080<=u?255:u>>4,q[l+n]=c,q[l+n+8]=C,q[l+n+16]=w,q[l+n+24]= p,q[l+n+32]=m,q[l+n+40]=t,q[l+n+48]=g,q[l+n+56]=u)}return d.a}function N(a,d){var f=2<arguments.length&&void 0!==arguments[2]?arguments[2]:d,e=a.length-1;f=f<d?f:d;if(d>=e)return null;var b=a[d]<<8|a[d+1];if(65472<=b&&65534>=b)return{f:null,F:b,offset:d};for(var B=a[f]<<8|a[f+1];!(65472<=B&&65534>=B);){if(++f>=e)return null;B=a[f]<<8|a[f+1]}return{f:b.toString(16),F:B,offset:f}}var J=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]);g.prototype={parse:function(a){function d(){var d=a[k]<<8|a[k+1];k+=2;return d}function f(){var b=d();b=k+b-2;var c=N(a,b,k);c&&c.f&&((0,_util.warn)("readDataBlock - incorrect length, current marker is: "+c.f),b=c.offset);b=a.subarray(k,b);k+=b.length;return b}function e(a){for(var b=Math.ceil(a.v/8/a.s),c=Math.ceil(a.g/8/a.u),d=0;d<a.b.length;d++){v=a.b[d];var e=Math.ceil(Math.ceil(a.v/8)*v.h/a.s),f=Math.ceil(Math.ceil(a.g/ 8)*v.j/a.u);v.a=new Int16Array(64*c*v.j*(b*v.h+1));v.c=e;v.l=f}a.P=b;a.O=c}var b=(1<arguments.length&&void 0!==arguments[1]?arguments[1]:{}).N,B=void 0===b?null:b,k=0,l=null,r=0;b=[];var n=[],q=[],h=d();if(65496!==h)throw new D("SOI not found");for(h=d();65497!==h;){switch(h){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 c=f();65518===h&&65===c[0]&&100=== c[1]&&111===c[2]&&98===c[3]&&101===c[4]&&(l={version:c[5]<<8|c[6],Y:c[7]<<8|c[8],Z:c[9]<<8|c[10],W:c[11]});break;case 65499:h=d()+k-2;for(var g;k<h;){var w=a[k++],p=new Uint16Array(64);if(0===w>>4)for(c=0;64>c;c++)g=J[c],p[g]=a[k++];else if(1===w>>4)for(c=0;64>c;c++)g=J[c],p[g]=d();else throw new D("DQT - invalid table spec");b[w&15]=p}break;case 65472:case 65473:case 65474:if(m)throw new D("Only single frame JPEGs supported");d();var m={};m.X=65473===h;m.S=65474===h;m.precision=a[k++];h=d();m.g= B||h;m.v=d();m.b=[];m.C={};c=a[k++];for(h=p=w=0;h<c;h++){g=a[k];var t=a[k+1]>>4;var H=a[k+1]&15;w<t&&(w=t);p<H&&(p=H);t=m.b.push({h:t,j:H,T:a[k+2],G:null});m.C[g]=t-1;k+=3}m.s=w;m.u=p;e(m);break;case 65476:g=d();for(h=2;h<g;){w=a[k++];p=new Uint8Array(16);for(c=t=0;16>c;c++,k++)t+=p[c]=a[k];H=new Uint8Array(t);for(c=0;c<t;c++,k++)H[c]=a[k];h+=17+t;(0===w>>4?q:n)[w&15]=W(p,H)}break;case 65501:d();var u=d();break;case 65498:c=1===++r&&!B;d();w=a[k++];g=[];for(h=0;h<w;h++){p=m.C[a[k++]];var v=m.b[p]; p=a[k++];v.D=q[p>>4];v.o=n[p&15];g.push(v)}h=a[k++];w=a[k++];p=a[k++];try{var z=X(a,k,m,g,u,h,w,p>>4,p&15,c);k+=z}catch(x){if(x instanceof P)return(0,_util.warn)('Attempting to re-parse JPEG image using "scanLines" parameter found in DNL marker (0xFFDC) segment.'),this.parse(a,{N:x.g});throw x;}break;case 65500:k+=4;break;case 65535:255!==a[k]&&k--;break;default:if(255===a[k-3]&&192<=a[k-2]&&254>=a[k-2])k-=3;else if((c=N(a,k-2))&&c.f)(0,_util.warn)("JpegImage.parse - unexpected data, current marker is: "+ c.f),k=c.offset;else throw new D("unknown marker "+h.toString(16));}h=d()}this.width=m.v;this.height=m.g;this.A=l;this.b=[];for(h=0;h<m.b.length;h++){v=m.b[h];if(u=b[v.T])v.G=u;this.b.push({R:Y(m,v),U:v.h/m.s,V:v.j/m.u,c:v.c,l:v.l})}this.i=this.b.length},L:function(a,d){var f=this.width/a,e=this.height/d,b,g,k=this.b.length,l=a*d*k,r=new Uint8ClampedArray(l),n=new Uint32Array(a);for(g=0;g<k;g++){var q=this.b[g];var h=q.U*f;var c=q.V*e;var C=g;var w=q.R;var p=q.c+1<<3;for(b=0;b<a;b++)q=0|b*h,n[b]= (q&4294967288)<<3|q&7;for(h=0;h<d;h++)for(q=0|h*c,q=p*(q&4294967288)|(q&7)<<3,b=0;b<a;b++)r[C]=w[q+n[b]],C+=k}if(e=this.M)for(g=0;g<l;)for(f=q=0;q<k;q++,g++,f+=2)r[g]=(r[g]*e[f]>>8)+e[f+1];return r},w:function(){return this.A?!!this.A.W:3===this.i?0===this.B?!1:!0:1===this.B?!0:!1},I:function(a){for(var d,f,e,b=0,g=a.length;b<g;b+=3)d=a[b],f=a[b+1],e=a[b+2],a[b]=d-179.456+1.402*e,a[b+1]=d+135.459-.344*f-.714*e,a[b+2]=d-226.816+1.772*f;return a},K:function(a){for(var d,f,e,b,g=0,k=0,l=a.length;k<l;k+= 4)d=a[k],f=a[k+1],e=a[k+2],b=a[k+3],a[g++]=-122.67195406894+f*(-6.60635669420364E-5*f+4.37130475926232E-4*e-5.4080610064599E-5*d+4.8449797120281E-4*b-.154362151871126)+e*(-9.57964378445773E-4*e+8.17076911346625E-4*d-.00477271405408747*b+1.53380253221734)+d*(9.61250184130688E-4*d-.00266257332283933*b+.48357088451265)+b*(-3.36197177618394E-4*b+.484791561490776),a[g++]=107.268039397724+f*(2.19927104525741E-5*f-6.40992018297945E-4*e+6.59397001245577E-4*d+4.26105652938837E-4*b-.176491792462875)+e*(-7.78269941513683E-4* e+.00130872261408275*d+7.70482631801132E-4*b-.151051492775562)+d*(.00126935368114843*d-.00265090189010898*b+.25802910206845)+b*(-3.18913117588328E-4*b-.213742400323665),a[g++]=-20.810012546947+f*(-5.70115196973677E-4*f-2.63409051004589E-5*e+.0020741088115012*d-.00288260236853442*b+.814272968359295)+e*(-1.53496057440975E-5*e-1.32689043961446E-4*d+5.60833691242812E-4*b-.195152027534049)+d*(.00174418132927582*d-.00255243321439347*b+.116935020465145)+b*(-3.43531996510555E-4*b+.24165260232407);return a.subarray(0, g)},J:function(a){for(var d,f,e,b=0,g=a.length;b<g;b+=4)d=a[b],f=a[b+1],e=a[b+2],a[b]=434.456-d-1.402*e,a[b+1]=119.541-d+.344*f+.714*e,a[b+2]=481.816-d-1.772*f;return a},H:function(a){for(var d,f,e,b,g=0,k=1/255,l=0,r=a.length;l<r;l+=4)d=a[l]*k,f=a[l+1]*k,e=a[l+2]*k,b=a[l+3]*k,a[g++]=255+d*(-4.387332384609988*d+54.48615194189176*f+18.82290502165302*e+212.25662451639585*b-285.2331026137004)+f*(1.7149763477362134*f-5.6096736904047315*e-17.873870861415444*b-5.497006427196366)+e*(-2.5217340131683033* e-21.248923337353073*b+17.5119270841813)-b*(21.86122147463605*b+189.48180835922747),a[g++]=255+d*(8.841041422036149*d+60.118027045597366*f+6.871425592049007*e+31.159100130055922*b-79.2970844816548)+f*(-15.310361306967817*f+17.575251261109482*e+131.35250912493976*b-190.9453302588951)+e*(4.444339102852739*e+9.8632861493405*b-24.86741582555878)-b*(20.737325471181034*b+187.80453709719578),a[g++]=255+d*(.8842522430003296*d+8.078677503112928*f+30.89978309703729*e-.23883238689178934*b-14.183576799673286)+ f*(10.49593273432072*f+63.02378494754052*e+50.606957656360734*b-112.23884253719248)+e*(.03296041114873217*e+115.60384449646641*b-193.58209356861505)-b*(22.33816807309886*b+180.12613974708367);return a.subarray(0,g)},getData:function(a,d,f){if(4<this.i)throw new D("Unsupported color mode");a=this.L(a,d);if(1===this.i&&f){f=a.length;d=new Uint8ClampedArray(3*f);for(var e=0,b=0;b<f;b++){var g=a[b];d[e++]=g;d[e++]=g;d[e++]=g}return d}if(3===this.i&&this.w())return this.I(a);if(4===this.i){if(this.w())return f? this.K(a):this.J(a);if(f)return this.H(a)}return a}}; UTIF.JpegDecoder=g})()})(); //UTIF.JpegDecoder = window.JpegDecoder; UTIF.encodeImage = function(rgba, w, h, metadata) { var idf = { "t256":[w], "t257":[h], "t258":[8,8,8,8], "t259":[1], "t262":[2], "t273":[1000], // strips offset "t277":[4], "t278":[h], /* rows per strip */ "t279":[w*h*4], // strip byte counts "t282":[1], "t283":[1], "t284":[1], "t286":[0], "t287":[0], "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 img = new Uint8Array(rgba); var data = new Uint8Array(1000+w*h*4); 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 data = new Uint8Array(20000), offset = 4, bin = UTIF._binBE; data[0]=77; data[1]=77; data[3]=42; var ifdo = 8; bin.writeUint(data, offset, ifdo); offset+=4; for(var i=0; i<ifds.length; i++) { var noffs = UTIF._writeIFD(bin, data, ifdo, ifds[i]); ifdo = noffs[1]; if(i<ifds.length-1) bin.writeUint(data, noffs[0], ifdo); } return data.slice(0, ifdo).buffer; } //UTIF.encode._writeIFD UTIF.decode = function(buff) { UTIF.decode._decodeG3.allow2D = null; 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 noff = UTIF._readIFD(bin, data, ifdo, ifds); //var ifd = ifds[ifds.length-1]; if(ifd["t34665"]) { ifd.exifIFD = []; UTIF._readIFD(bin, data, ifd["t34665"][0], ifd.exifIFD); } ifdo = bin.readUint(data, noff); if(ifdo==0) break; } return ifds; } UTIF.decodeImages = function(buff, ifds) { var data = new Uint8Array(buff); var id = UTIF._binBE.readASCII(data, 0, 2); for(var ii=0; ii<ifds.length; ii++) { var img = ifds[ii]; if(img["t256"]==null) continue; // EXIF files don't have TIFF tags 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(img["t284"] && img["t284"][0]==2) log("PlanarConfiguration 2 should not be used!"); var bipp = (img["t258"]?Math.min(32,img["t258"][0]):1) * (img["t277"]?img["t277"][0]:1); // bits per pixel var bipl = Math.ceil(img.width*bipp/8)*8; var soff = img["t273"]; if(soff==null) soff = img["t324"]; var bcnt = img["t279"]; if(cmpr==1 && soff.length==1) bcnt = [img.height*(bipl>>>3)]; if(bcnt==null) bcnt = img["t325"]; 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); for(var y=0; y<ty; y++) for(var x=0; x<tx; x++) { var i = y*tx+x; for(var j=0; j<tbuff.length; j++) tbuff[j]=0; UTIF.decode._decompress(img, data, soff[i], bcnt[i], cmpr, tbuff, 0, fo); // 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 { var rps = img["t278"] ? img["t278"][0] : img.height; rps = Math.min(rps, img.height); for(var i=0; i<soff.length; i++) { UTIF.decode._decompress(img, data, soff[i], bcnt[i], cmpr, bytes, Math.ceil(bilen/8)|0, fo); 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, data, off, len, cmpr, tgt, toff, fo) // fill order { //console.log("compression", cmpr); if(false) {} else if(cmpr==1) for(var j=0; j<len; j++) tgt[toff+j] = data[off+j]; else if(cmpr==3) UTIF.decode._decodeG3 (data, off, len, tgt, toff, img.width, fo); else if(cmpr==4) UTIF.decode._decodeG4 (data, off, len, tgt, toff, img.width, fo); else if(cmpr==5) UTIF.decode._decodeLZW(data, off, tgt, toff); else if(cmpr==6) UTIF.decode._decodeOldJPEG(img, data, off, len, tgt, toff); else if(cmpr==7) UTIF.decode._decodeNewJPEG(img, data, off, len, tgt, toff); else if(cmpr==8) { var src = new Uint8Array(data.buffer,off,len); var bin = pako["inflate"](src); for(var i=0; i<bin.length; i++) tgt[toff+i]=bin[i]; } 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==34713) UTIF.decode._decodeNikon (data, off, len, tgt, toff); else log("Unknown compression", cmpr); if(img["t317"] && img["t317"][0]==2) { var noc = (img["t277"]?img["t277"][0]:1), h = (img["t278"] ? img["t278"][0] : img.height), bpr = img.width*noc; //log(noc); for(var y=0; y<h; y++) { var ntoff = toff+y*bpr; if(noc==3) for(var j= 3; j<bpr; 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=noc; j<bpr; j++) tgt[ntoff+j] = (tgt[ntoff+j] + tgt[ntoff+j-noc])&255; } } } UTIF.decode._decodeNikon = function(data, off, len, tgt, toff) { var nikon_tree = [ [ 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 ], [ 0,1,5,1,1,1,1,1,1,2,0,0,0,0,0,0, /* 12-bit lossy after split */ 0x39,0x5a,0x38,0x27,0x16,5,4,3,2,1,0,11,12,12 ], [ 0,1,4,2,3,1,2,0,0,0,0,0,0,0,0,0, /* 12-bit lossless */ 5,4,6,3,7,2,8,1,9,0,10,11,12 ], [ 0,1,4,3,1,1,1,1,1,2,0,0,0,0,0,0, /* 14-bit lossy */ 5,6,4,7,8,3,9,2,1,0,10,11,12,13,14 ], [ 0,1,5,1,1,1,1,1,1,1,2,0,0,0,0,0, /* 14-bit lossy after split */ 8,0x5c,0x4b,0x3a,0x29,7,6,5,4,3,2,1,0,13,14 ], [ 0,1,4,2,2,3,1,2,0,0,0,0,0,0,0,0, /* 14-bit lossless */ 7,6,8,5,9,4,10,3,11,12,2,0,1,13,14 ] ]; //struct decode *dindex; var ver0, ver1, vpred, hpred, csize; var i, min, max, step=0, huff=0, split=0, row, col, len, shl, diff; log(data.slice(off,off+100)); ver0 = data[off]; off++; ver1 = data[off]; off++; log(ver0.toString(16), ver1.toString(16), len); } UTIF.decode._decodeNewJPEG = function(img, data, off, len, tgt, toff) { 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"]==32803) // lossless JPEG (used in DNG files) is not available in JpegDecoder. { var bps = img["t258"][0], dcdr = new LosslessJpegDecoder(); var out = dcdr.decode(buff), olen=out.length; if(false) {} else if(bps==16) for(var i=0; i<olen; i++) { tgt[toff++] = (out[i]&255); tgt[toff++] = (out[i]>>>8); } else if(bps==12) for(var i=0; i<olen; i+=2) { tgt[toff++] = (out[i]>>>4); tgt[toff++] = ((out[i]<<4)|(out[i+1]>>>8))&255; tgt[toff++] = out[i+1]&255; } else throw new Error("unsupported bit depth "+bps); } else { var parser = new UTIF.JpegDecoder(); parser.parse(buff); var decoded = parser.getData(parser.width, parser.height); 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, bufoff); bufoff += sosMarker.length; } for(i=0; i<len; i++) buff[bufoff++] = data[off+i]; buff[bufoff++] = 255; buff[bufoff++] = EOI; } var parser = new UTIF.JpegDecoder(); parser.parse(buff); var decoded = parser.getData(parser.width, parser.height); 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._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++; } } } 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._decodeG3 = function(data, off, slen, tgt, toff, w, fo) { 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=false; 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(fo==1) is1D = ((data[boff>>>3]>>>(7-(boff&7)))&1)==1; if(fo==2) is1D = ((data[boff>>>3]>>>( (boff&7)))&1)==1; boff++; if(U._decodeG3.allow2D==null) U._decodeG3.allow2D=is1D; if(!U._decodeG3.allow2D) { is1D = true; 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 = function(data, off, tgt, toff) { if(UTIF.decode._lzwTab==null) { var tb=new Uint32Array(0xffff), tn=new Uint16Array(0xffff), chr=new Uint8Array(2e6); for(var i=0; i<256; i++) { chr[i<<2]=i; tb[i]=i<<2; tn[i]=1; } UTIF.decode._lzwTab = [tb,tn,chr]; } var copy = UTIF.decode._copyData; var tab = UTIF.decode._lzwTab[0], tln=UTIF.decode._lzwTab[1], chr=UTIF.decode._lzwTab[2], totl = 258, chrl = 258<<2; var bits = 9, boff = off<<3; // offset in bits var ClearCode = 256, EoiCode = 257; var v = 0, Code = 0, OldCode = 0; while(true) { v = (data[boff>>>3]<<16) | (data[(boff+8)>>>3]<<8) | data[(boff+16)>>>3]; Code = ( v>>(24-(boff&7)-bits) ) & ((1<<bits)-1); boff+=bits; if(Code==EoiCode) break; if(Code==ClearCode) { bits=9; totl = 258; chrl = 258<<2; v = (data[boff>>>3]<<16) | (data[(boff+8)>>>3]<<8) | data[(boff+16)>>>3]; Code = ( v>>(24-(boff&7)-bits) ) & ((1<<bits)-1); boff+=bits; if(Code==EoiCode) break; tgt[toff]=Code; toff++; } else if(Code<totl) { var cd = tab[Code], cl = tln[Code]; copy(chr,cd,tgt,toff,cl); toff += cl; if(OldCode>=totl) { tab[totl] = chrl; chr[tab[totl]] = cd[0]; tln[totl]=1; chrl=(chrl+1+3)&~0x03; totl++; } else { tab[totl] = chrl; var nit = tab[OldCode], nil = tln[OldCode]; copy(chr,nit,chr,chrl,nil); chr[chrl+nil]=chr[cd]; nil++; tln[totl]=nil; totl++; chrl=(chrl+nil+3)&~0x03; } if(totl+1==(1<<bits)) bits++; } else { if(OldCode>=totl) { tab[totl] = chrl; tln[totl]=0; totl++; } else { tab[totl] = chrl; var nit = tab[OldCode], nil = tln[OldCode]; copy(chr,nit,chr,chrl,nil); chr[chrl+nil]=chr[chrl]; nil++; tln[totl]=nil; totl++; copy(chr,chrl,tgt,toff,nil); toff += nil; chrl=(chrl+nil+3)&~0x03; } if(totl+1==(1<<bits)) bits++; } OldCode = Code; } } UTIF.decode._copyData = function(s,so,t,to,l) { for(var i=0;i<l;i+=4) { t[to+i]=s[so+i]; t[to+i+1]=s[so+i+1]; t[to+i+2]=s[so+i+2]; t[to+i+3]=s[so+i+3]; } } UTIF.tags = {254:"NewSubfileType",255:"SubfileType",256:"ImageWidth",257:"ImageLength",258:"BitsPerSample",259:"Compression",262:"PhotometricInterpretation",266:"FillOrder", 269:"DocumentName",270:"ImageDescription",271:"Make",272:"Model",273:"StripOffset",274:"Orientation",277:"SamplesPerPixel",278:"RowsPerStrip", 279:"StripByteCounts",280:"MinSampleValue",281:"MaxSampleValue",282:"XResolution",283:"YResolution",284:"PlanarConfiguration",285:"PageName", 286:"XPosition",287:"YPosition", 292:"T4Options",296:"ResolutionUnit",297:"PageNumber",305:"Software",306:"DateTime", 315:"Artist",316:"HostComputer",317:"Predictor",318:"WhitePoint",319:"PrimaryChromaticities",320:"ColorMap", 321:"HalftoneHints",322:"TileWidth", 323:"TileLength",324:"TileOffset",325:"TileByteCounts",330:"SubIFDs",336:"DotRange",338:"ExtraSample",339:"SampleFormat", 347:"JPEGTables", 512:"JPEGProc",513:"JPEGInterchangeFormat",514:"JPEGInterchangeFormatLength",519:"JPEGQTables",520:"JPEGDCTables",521:"JPEGACTables", 529:"YCbCrCoefficients",530:"YCbCrSubSampling",531:"YCbCrPositioning",532:"ReferenceBlackWhite",700:"XMP", 33421:"CFARepeatPatternDim",33422:"CFAPattern",33432:"Copyright",33434:"ExposureTime",33437:"FNumber",33723:"IPTC/NAA",34377:"Photoshop", 34665:"ExifIFD",34675:"ICC Profile",34850:"ExposureProgram",34853:"GPSInfo",34855:"ISOSpeedRatings",34858:"TimeZoneOffset",34859:"SelfTimeMode", 36867:"DateTimeOriginal",36868:"DateTimeDigitized", 37377:"ShutterSpeedValue",37378:"ApertureValue",37380:"ExposureBiasValue",37383:"MeteringMode",37385:"Flash",37386:"FocalLength", 37390:"FocalPlaneXResolution",37391:"FocalPlaneYResolution",37392:"FocalPlaneResolutionUnit",37393:"ImageNumber",37398:"TIFF/EPStandardID",37399:"SensingMethod", 37500:"MakerNote",37510:"UserComment",37724:"ImageSourceData", 40092:"XPComment",40094:"XPKeywords", 40961:"ColorSpace",40962:"PixelXDimension",40963:"PixelXDimension",41486:"FocalPlaneXResolution",41487:"FocalPlaneYResolution",41488:"FocalPlaneResolutionUnit", 41985:"CustomRendered",41986:"ExposureMode",41987:"WhiteBalance",41990:"SceneCaptureType", 50706:"DNGVersion",50707:"DNGBackwardVersion",50708:"UniqueCameraModel",50709:"LocalizedCameraModel",50710:"CFAPlaneColor", 50711:"CFALayout",50712:"LinearizationTable",50713:"BlackLevelRepeatDim",50714:"BlackLevel",50716:"BlackLevelDeltaV",50717:"WhiteLevel", 50718:"DefaultScale",50719:"DefaultCropOrigin", 50720:"DefaultCropSize",50733:"BayerGreenSplit",50738:"AntiAliasStrength", 50721:"ColorMatrix1",50722:"ColorMatrix2",50723:"CameraCalibration1",50724:"CameraCalibration2",50727:"AnalogBalance",50728:"AsShotNeutral", 50730:"BaselineExposure",50731:"BaselineNoise",50732:"BaselineSharpness",50734:"LinearResponseLimit",50735:"CameraSerialNumber",50736:"LensInfo",50739:"ShadowScale", 50740:"DNGPrivateData",50741:"MakerNoteSafety",50778:"CalibrationIlluminant1",50779:"CalibrationIlluminant2",50780:"BestQualityScale", 50781:"RawDataUniqueID",50827:"OriginalRawFileName",50829:"ActiveArea",50830:"MaskedAreas",50931:"CameraCalibrationSignature",50932:"ProfileCalibrationSignature", 50935:"NoiseReductionApplied",50936:"ProfileName",50937:"ProfileHueSatMapDims",50938:"ProfileHueSatMapData1",50939:"ProfileHueSatMapData2", 50940:"ProfileToneCurve",50941:"ProfileEmbedPolicy",50942:"ProfileCopyright", 50964:"ForwardMatrix1",50965:"ForwardMatrix2",50966:"PreviewApplicationName",50967:"PreviewApplicationVersion",50969:"PreviewSettingsDigest", 50970:"PreviewColorSpace",50971:"PreviewDateTime",50972:"RawImageDigest", 51008:"OpcodeList1",51009:"OpcodeList2",51022:"OpcodeList3",51041:"NoiseProfile",51089:"OriginalDefaultFinalSize", 51090:"OriginalBestQualityFinalSize",51091:"OriginalDefaultCropSize",51125:"DefaultUserCrop"}; 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 }; UTIF._readIFD = function(bin, data, offset, ifds) { var cnt = bin.readUshort(data, offset); offset+=2; var ifd = {}; ifds.push(ifd); //log(">>>----------------"); 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] = arr; //ifd["t"+tag+"-"+UTIF.tags[tag]] = arr; if(type== 1 || type==7) { for(var j=0; j<num; j++) arr.push(data[(num<5 ? offset-4 : voff)+j]); } if(type== 2) { arr.push( bin.readASCII(data, (num<5 ? offset-4 : voff), num-1) ); } 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) { for(var j=0; j<num; j++) arr.push(bin.readUint (data, (num<2 ? offset-4 : voff)+4*j)); } if(type== 5) { for(var j=0; j<num; j++) arr.push(bin.readUint (data, voff+j*8) / bin.readUint(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==10) { for(var j=0; j<num; j++) arr.push(bin.readInt (data, voff+j*8) / bin.readInt (data,voff+j*8+4)); } 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("unknown TIFF tag type: ", type, "num:",num); //log(tag, type, UTIF.tags[tag], arr); if(tag==330) for(var j=0; j<num; j++) UTIF._readIFD(bin, data, arr[j], ifds); //if(tag==34665) UTIF._readIFD(bin, data, arr[0], ifds); } //log("<<<---------------"); return offset; } UTIF._writeIFD = function(bin, data, offset, ifd) { var keys = Object.keys(ifd); bin.writeUshort(data, offset, keys.length); offset+=2; var eoff = offset + keys.length*12 + 4; for(var ki=0; ki<keys.length; ki++) { var key = keys[ki]; var tag = parseInt(key.slice(1)), type = UTIF.ttypes[tag]; if(type==null) throw new Error("unknown type of tag: "+tag); var val = ifd[key]; 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, 0, 0, 0, 0, 0, 8][type] * num; var toff = offset; if(dlen>4) { bin.writeUint(data, offset, eoff); toff=eoff; } if(type==2) { bin.writeASCII(data, toff, val); } if(type==3) { for(var i=0; i<num; i++) bin.writeUshort(data, toff+2*i, val[i]); } if(type==4) { for(var i=0; i<num; i++) bin.writeUint (data, toff+4*i, val[i]); } if(type==5) { for(var i=0; i<num; i++) { bin.writeUint(data, toff+8*i, Math.round(val[i]*10000)); bin.writeUint(data, toff+8*i+4, 10000); } } if (type == 12) { for (var i = 0; i < num; i++) bin.writeDouble(data, toff + 8 * i, val[i]); } if(dlen>4) { dlen += (dlen&1); eoff += dlen; } offset += 4; } return [offset, eoff]; } UTIF.toRGBA8 = function(out) { var w = out.width, h = out.height, area = w*h, qarea = area*4, data = out.data; var img = new Uint8Array(area*4); // 0: WhiteIsZero, 1: BlackIsZero, 2: RGB, 3: Palette color, 4: Transparency mask, 5: CMYK var intp = out["t262"][0], bps = (out["t258"]?Math.min(32,out["t258"][0]):1), isLE = out.isLE ? 1 : 0; //log("interpretation: ", intp, "bps", bps, out); if(false) {} else if(intp==0) { var bpl = Math.ceil(bps*w/8); 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; } } } else if(intp==1) { var bpl = Math.ceil(bps*w/8); 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]; 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, px=data[off+(2*i+isLE)]; img[qi]=img[qi+1]=img[qi+2]= Math.min(255,px); img[qi+3]=255; } // ladoga.tif } } else if(intp==2) { if(bps== 8) // this needs to be simplified ... how many channels are there??? { if(out["t338"]) { if(out["t338"][0]>0) for(var i=0; i<qarea; i++) img[i] = data[i]; // sometimes t338 is 1 or 2 in case of Alpha else for(var i=0; i<qarea; i+=4) { img[i] = data[i]; img[i+1] = data[i+1]; img[i+2] = data[i+2]; img[i+3] = 255; } } else { var smpls = out["t258"]?out["t258"].length : 3; if(smpls==4) for(var i=0; i<qarea; i++) img[i] = data[i]; 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; } } } else // 3x 16-bit channel for(var i=0; i<area; i++) { var qi=i<<2, ti=i*6; img[qi]=data[ti]; img[qi+1]=data[ti+2]; img[qi+2]=data[ti+4]; img[qi+3]=255; } } else if(intp==3) { var map = out["t320"]; for(var i=0; i<area; i++) { var qi=i<<2, mi=data[i]; img[qi]=(map[mi]>>8); img[qi+1]=(map[256+mi]>>8); img[qi+2]=(map[512+mi]>>8); img[qi+3]=255; } } else if(intp==5) { var smpls = out["t258"]?out["t258"].length : 4; var gotAlpha = smpls>4 ? 1 : 0; for(var i=0; i<area; i++) { var qi=i<<2, si=i*smpls; 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 log("Unknown Photometric interpretation: "+intp); return img; } UTIF.replaceIMG = function() { var imgs = document.getElementsByTagName("img"); 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(suff!="tif" && suff!="tiff") 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 buff = e.target.response; var ifds = UTIF.decode(buff), page = ifds[0]; UTIF.decodeImages(buff, ifds); var rgba = UTIF.toRGBA8(page), w=page.width, h=page.height; var ind = UTIF._xhrs.indexOf(e.target), img = UTIF._imgs[ind]; UTIF._xhrs.splice(ind,1); UTIF._imgs.splice(ind,1); var cnv = document.createElement("canvas"); cnv.width=w; cnv.height=h; var ctx = cnv.getContext("2d"), imgd = ctx.createImageData(w,h); for(var i=0; i<rgba.length; i++) imgd.data[i]=rgba[i]; ctx.putImageData(imgd,0,0); var attr = ["style","class","id"]; for(var i=0; i<attr.length; i++) cnv.setAttribute(attr[i], img.getAttribute(attr[i])); img.parentNode.replaceChild(cnv,img); } 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; }, 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]; } } 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, pako); })();