1 line
120 KiB
JavaScript
1 line
120 KiB
JavaScript
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2*Ta[255+o-f]+Ra[255+s-h]>a?0:Ta[255+t[e-4*n]-i]<=r&&Ta[255+i-s]<=r&&Ta[255+s-o]<=r&&Ta[255+c-l]<=r&&Ta[255+l-h]<=r&&Ta[255+h-f]<=r}function K(t,e,n,a){let r;for(r=0;r<16;++r)2*Ta[255+t[e+r-n]-t[e+r+0]]+Ra[255+t[e+r-2*n]-t[e+r+n]]<=a&&H(t,e+r,n)}function Y(t,e,n,a){let r;for(r=0;r<16;++r)2*Ta[255+t[e+r*n-1]-t[e+r*n+0]]+Ra[255+t[e+r*n-2]-t[e+r*n+1]]<=a&&H(t,e+r*n,1)}function $(t,e,n,a){let r;for(r=3;r>0;--r)K(t,(e+=4*n)+0,n,a)}function X(t,e,n,a){let r;for(r=3;r>0;--r)Y(t,(e+=4)+0,n,a)}function q(t,e,n,a,r,i,s,o){for(;r-- >0;){if(G(t,e+0,n,i,s))if(Z(t,e+0,n,o))H(t,e+0,n);else{const a=t,r=e+0,i=n,s=a[r-2*i],o=a[r-i],h=a[r+0],l=a[r+i],c=a[r+2*i];const u=27*(f=za[1020+3*(h-o)+za[1020+s-l]])+63>>7,d=18*f+63>>7;var f=9*f+63>>7;a[r-3*i]=Na[255+a[r-3*i]+f],a[r-2*i]=Na[255+s+d],a[r-i]=Na[255+o+u],a[r+0]=Na[255+h-u],a[r+i]=Na[255+l-d],a[r+2*i]=Na[255+c-f]}e+=a}}function J(t,e,n,a,r,i,s,o){for(;r-- >0;){if(G(t,e+0,n,i,s))if(Z(t,e+0,n,o))H(t,e+0,n);else{const a=t,r=e+0,i=n,s=a[r-i],o=a[r+0],h=a[r+i];const l=Oa[112+((f=3*(o-s))+4>>3)];var f=Oa[112+(f+3>>3)];const c=l+1>>1;a[r-2*i]=Na[255+a[r-2*i]+c],a[r-i]=Na[255+s+f],a[r+0]=Na[255+o-l],a[r+i]=Na[255+h-c]}e+=a}}function Q(t,e,n,a,r,i){q(t,e+0,n,1,16,a,r,i)}function tt(t,e,n,a,r,i){q(t,e+0,1,n,16,a,r,i)}function et(t,e,n,a,r,i){let s;for(s=3;s>0;--s)J(t,(e+=4*n)+0,n,1,16,a,r,i)}function nt(t,e,n,a,r,i){let s;for(s=3;s>0;--s)J(t,(e+=4)+0,1,n,16,a,r,i)}function at(t,e,n,a,r,i,s,o){q(t,e,r,1,8,i,s,o),q(n,a,r,1,8,i,s,o)}function rt(t,e,n,a,r,i,s,o){q(t,e,1,r,8,i,s,o),q(n,a,1,r,8,i,s,o)}function it(t,e,n,a,r,i,s,o){J(t,e+4*r,r,1,8,i,s,o),J(n,a+4*r,r,1,8,i,s,o)}function st(t,e,n,a,r,i,s,o){J(t,e+4,1,r,8,i,s,o),J(n,a+4,1,r,8,i,s,o)}function ot(t,e){return e==Fn?0==t.i?0==t.d?Yn:Kn:0==t.d?Gn:Fn:e}function ft(t,e,n,r){for(a=0;a<4;++a)t[e+a]=n[r+a]}function ht(t,e){return t<0?0:t>e?e:t}function lt(t){t.a="VP8_STATUS_OK",t.xc="OK"}function ct(t){t>>>8!=Be>>>8&&alert("mismatch error")}function ut(t,e,n){return t.a==je&&(t.a=e,t.xc=n,t.za=0),0}function dt(t,r){let o=[0],f=0;var h=[0],l=s(fa),c=s(ha);let u=s(an);h="VP8StatusCode",l=s(nn);if(t==i)return alert("(dec == null)"),0;if(lt(t),r==i)return ut(t,"VP8_STATUS_INVALID_PARAM","null VP8Io passed to VP8GetHeaders()");if(l.data=r.data,l.b=r.b,l.e=r.e,l.b=[l.b],l.e=[l.e],(h=Ae(l=[l]))!=je)return ut(t,h,"Incorrect/incomplete header.");if((l=l[0]).b=l.b[0],l.e=l.e[0],l.ia)return ut(t,Ke,"Unexpected lossless format encountered.");if(t.Ga==i&&(w(0==t.ub),t.Ga=l.$,t.G=l.G,t.ub=l.pa),f=l.data,o=l.b+l.offset,h=l.e-l.offset,w(l.e>=l.offset),h[0]<4)return ut(t,qe,"Truncated header.");if(u=f[o+0]|f[o+1]<<8|f[o+2]<<16,(l=t.Ac).fb=!(1&u)+0,l.Jc=u>>1&7,l.Nc=u>>4&1,l.Ra=u>>5,l.Jc>3)return ut(t,"VP8_STATUS_BITSTREAM_ERROR","Incorrect keyframe parameters.");if(!l.Nc)return ut(t,"VP8_STATUS_UNSUPPORTED_FEATURE","Frame not displayable.");if(o+=3,h-=3,c=t.P,l.fb){if(h<7)return ut(t,"VP8_STATUS_NOT_ENOUGH_DATA","cannot parse picture header");if(!(h>=3&&157==f[o+0]&&1==f[o+1]&&42==f[o+2]))return ut(t,"VP8_STATUS_BITSTREAM_ERROR","Bad code word");for(c.l=16383&(f[o+4]<<8|f[o+3]),c.gd=f[o+4]>>6,c.v=16383&(f[o+6]<<8|f[o+5]),c.hd=f[o+6]>>6,o+=7,h-=7,t.Ma=c.l+15>>4,t.hb=c.v+15>>4,r.width=c.l,r.height=c.v,r.I=0,r.Ua=0,r.k=0,r.t=0,r.Ka=r.width,r.K=r.height,r.m=r.width,r.h=r.height,u=t.R,a=0;a<u.Ta.length;++a)u.Ta[a]=255;for(u.z=s(lr),u=t.Ca,w(u!=i),u.pb=0,u.ob=0,u.tb=1,a=0;a<u.Kb.length;++a)u.Kb[a]=0;for(a=0;a<u.Cb.length;++a)u.Cb[a]=0;t.Lb=0}if(l.Ra>h)return ut(t,"VP8_STATUS_NOT_ENOUGH_DATA","bad partition length");u=t.o,g(u,f,o,o+l.Ra),o+=l.Ra,h-=l.Ra,l.fb&&(c.uc=e(u),c.$c=e(u));c=u;var d=t.Ca;let b=t.R;if(w(c!=i),w(d!=i),d.pb=e(c),d.pb){if(d.ob=e(c),e(c)){var _;for(d.tb=e(c),_=0;_<Xn;++_)d.Kb[_]=e(c)?m(c,7):0;for(_=0;_<Xn;++_)d.Cb[_]=e(c)?m(c,6):0}if(d.ob)for(_=0;_<$n;++_)b.Ta[_]=e(c)?v(c,8):255}else d.ob=0;if(c.Ab)return ut(t,"VP8_STATUS_BITSTREAM_ERROR","cannot parse segment header");if(c=u,(d=t.ga).Oc=e(c),d.Fb=v(c,6),d.kb=v(c,3),d.oc=e(c),d.oc&&e(c)){for(b=0;b<qn;++b)e(c)&&(d.Lc[b]=m(c,6));for(b=0;b<Jn;++b)e(c)&&(d.Gc[b]=m(c,6))}if(t.A=0==d.Fb?0:d.Oc?1:2,t.A>0)if(t.Ca.pb)for(b=0;b<Xn;++b)_=t.Ca.Cb[b],t.Ca.tb||(_+=d.Fb),t.Zb[b]=_;else t.Zb[0]=d.Fb;if(c.Ab)return ut(t,"VP8_STATUS_BITSTREAM_ERROR","cannot parse filter header");c=f,d=y=o,h=y+h;_=0;let p=0,k=0;if(t.Hb=1<<v(t.o,2),p=t.Hb-1,b=c,h<(_=y+3*p))h="VP8_STATUS_NOT_ENOUGH_DATA";else{for(k=0;k<p;++k){var y=b,A=_+(c[d+0]|c[d+1]<<8|c[d+2]<<16);A>h&&(y=c),g(t.ic[+k],b,_,A),b=y,_=A,d+=3}g(t.ic[+p],b,_,h),h=_<h?"VP8_STATUS_OK":"VP8_STATUS_SUSPENDED"}if("VP8_STATUS_OK"!=h)return ut(t,"VP8_STATUS_BITSTREAM_ERROR","cannot parse partitions");for(p=t.o,h=v(p,7),c=e(p)?m(p,4):0,d=e(p)?m(p,4):0,b=e(p)?m(p,4):0,_=e(p)?m(p,4):0,p=e(p)?m(p,4):0,k=t.Ca,y=0,y=0;y<Xn;++y){if(A=0,k.pb)A=k.Kb[y],k.tb||(A+=h);else{if(y>0){t.yb[y]=t.yb[0];continue}A=h}const e=t.yb[y];e.sc[0]=or[ht(A+c,127)],e.sc[1]=fr[ht(A+0,127)],e.sb[0]=2*or[ht(A+d,127)],e.sb[1]=101581*fr[ht(A+b,127)]>>16,e.sb[1]<8&&(e.sb[1]=8),e.qc[0]=or[ht(A+_,117)],e.qc[1]=fr[ht(A+p,127)]}if(!l.fb)return ut(t,Ye,"Not a key frame.");for(t.Zc=259,e(u),h=t.R,c=0;c<Qn;++c)for(d=0;d<ta;++d)for(b=0;b<ea;++b)for(_=0;_<na;++_)n(u,ur[c][d][b][_])&&(h.z[c][d][b][_]=v(u,8));if(t.pc=e(u),t.pc&&(t.Pc=v(u,8)),t.P.uc){if(o-=8,u=0,l.Ra<8||1!=f[o+8-1])return ut(t,Ke,"RIFF: Inconsistent extra information.");u=f[o+0]<<0|f[o+1]<<8|f[o+2]<<16,t.fc=u,t.dd=i,t.cd=f[o+3]}return t.za=1}function bt(t,e,a,r,i,s){let o=e[i][a];if(!n(t,o[0]))return 0;for(;;){if(++i,n(t,o[1])){var f;if(n(t,o[2])){if(n(t,o[3]))if(n(t,o[6])){var h;for(f=0,a=n(t,o[8]),o=n(t,o[9+a]),o=2*a+o,a=0,f=br[o],h=0;h<f.length-1;++h)a+=a+n(t,f[h]);a+=3+(8<<o)}else n(t,o[7])?(a=7+2*n(t,165),a+=n(t,145)):a=5+n(t,159);else a=n(t,o[4])?3+n(t,o[5]):2;o=e[dr[i]][2]}else o=e[dr[i]][1],a=1;if(f=_r[i-1],s[s[s.length-1]+f]=(n(t,128)?-a:a)*r[(f>0)+0],16==i||!n(t,o[0]))return i}else o=e[dr[i]][0];if(16==i)return 16}}function _t(t,e){return((16777216*t[0]+65536*t[1]+256*t[2]+1*t[3])*gr&4278190080)>>e}function pt(t,e){let r,s=0;if(t==i)return 0;if(e==i)return ut(t,"VP8_STATUS_INVALID_PARAM","NULL VP8Io parameter in VP8Decode().");if(!t.za&&!dt(t,e))return 0;if(w(t.za),e.Mb&&!e.Mb(e))ut(t,Xe,"Frame setup failed"),r=t.a;else{e.Za&&(t.A=0);const n=ar[t.A];2==t.A?(t.lb=0,t.mb=0):(t.lb=e.t-n>>4,t.mb=e.k-n>>4,t.lb<0&&(t.lb=0),t.mb<0&&(t.mb=0)),t.Ya=e.K+15+n>>4,t.wb=e.Ka+15+n>>4,t.wb>t.Ma&&(t.wb=t.Ma),t.Ya>t.hb&&(t.Ya=t.hb),r=je}if(s=r==je){if(s){let n,a;t:{if(t.Ja=0,t.qb){const e=t.rc;if(!WebPWorkerReset(e)){n=ut(t,Ze,"thread initialization failed.");break t}e.Qd=t,e.Rd=t.oa.N,e.Ud=FinishRow,t.jb=t.A>0?rr:rr-1}else t.jb=ir;n=1}if(!(a=!n)){let e;t:{const n=t.jb,a=t.Ma,r=4*a,s=32*a,o=a+1,f=t.A>0?a*(t.qb?2:1):0,c=ra,u=s*(16*n+parseInt(3*ar[t.A]/2,10)),d=t.Ga!=i?t.P.l*t.P.v:0,_=r+s+o+f+c+384+u+d+nr;if(_!=_)e=0;else{if(_>t.Gb){if(t.ib=0,t.Gb=0,t.ib==i){e=ut(t,"VP8_STATUS_OUT_OF_MEMORY","no memory during frame initialization.");break t}t.Gb=_}t.dc=205,t.Xc=l(205,16*a),t.Sc=l(205,8*a),t.Vc=l(205,8*a),t.M=f?h(da,f):i,t.Sd=f?0:i,t.oa.ha=0,t.oa.M=t.M,w(0==(c&nr)),t.Ea=l(205,1*c),t.z=-12851,t.H=16*a,t.r=8*a;const s=ar[t.A],p=s*t.H,g=s/2*t.r;t.ca=b(u,205),t.da=+p,t.aa=t.ca,t.ba=t.da+16*n*t.H+g,t.ra=t.aa,t.sa=t.ba+8*n*t.r+g,t.Xb=d?b(d,0):i,t.La=h(ba,o),t.dc=l(Fn,r),e=1}}a=!e}if(a)s=0;else{if(e.width=t.P.l,e.height=t.P.v,e.w=0,e.y=t.ca,e.D=t.da,e.c=t.aa,e.B=t.ba,e.S=t.ra,e.C=t.sa,e.F=t.H,e.Da=t.r,e.p=i,e.q=i,!Pa){let t;for(t=-255;t<=255;++t)Ta[255+t]=t<0?-t:t,Ra[255+t]=Ta[255+t]>>1;for(t=-1020;t<=1020;++t)za[1020+t]=t<-128?-128:t>127?127:t;for(t=-112;t<=112;++t)Oa[112+t]=t<-16?-16:t>15?15:t;for(t=-255;t<=510;++t)Na[255+t]=t<0?0:t>255?255:t;Pa=1}Wa=I,Fa=C,Va=D,Ha=L,ja=Q,Za=tt,Ga=at,Ka=rt,Ya=et,$a=nt,Xa=it,qa=st,Ja=K,Qa=Y,tr=$,er=X,s=1}}if(s)t:{for(t.d=0;t.d<t.Ya;++t.d){const r=t.ic[t.d&t.Hb-1],h=t,I=h.La[0];for(I.X=0,I.ua=0,u(h.cc,0,Fn,h.cc.length),h.W=(h.A>0&&h.d>=h.mb&&h.d<=h.Ya)+0,t.i=0;t.i<t.Ma;t.i++){var c;const e=t,i=r,h=e.o,u=e.La[0],w=e.La[1+e.i];e.Ca.ob&&(e.Lb=n(h,e.R.Ta[0])?2+n(h,e.R.Ta[2]):0+n(h,e.R.Ta[1])),w.Nb=e.pc?n(h,e.Pc):0;const z=e.dc;z[z.length-1]=0+4*e.i;const I=e.cc;if(e.wa=!n(h,145),e.wa){var d=e.Eb,_=0,p=0;for(p=0;p<4;++p){var g,v=I[p];for(g=0;g<4;++g){const t=cr[z[z[z.length-1]+g]][v];var m=0;do{m=hr[2*m+n(h,t[m])]}while(m>0);v=-m,z[z[z.length-1]+g]=v,d[_]=v,_++}I[p]=v}}else{v=n(h,156)?n(h,128)?Zn:jn:n(h,163)?Hn:Vn;for(e.Eb[0]=v,m=0;m<4;++m)z[m+z[z.length-1]]=v;for(m=0;m<4;++m)I[m]=v}if(e.Tc=n(h,142)?n(h,114)?n(h,183)?Zn:jn:Hn:Vn,h.Ab)c=0;else{if(w.Nb)u.X=w.X=0,e.wa||(u.ua=w.ua=0),e.ja=0,e.Oa=0;else{let t=0,n=0;var k=0,y=pr;const a=e.yb[e.Lb];var A=e.z;const r=e.La[0],s=b(4,0),o=b(4,0);let h=b(4,0),c=b(4,0),u=0,d=0;var E=0;let _=0,p=0;A=l(0,384);if(e.wa)k=0,y=e.R.z[3];else{const t=b(16,0);var x=w.ua+r.ua;w.ua=r.ua=(bt(i,e.R.z[1],x,a.sb,0,t)>0)+0;k=1,y=e.R.z[0];var U=t,S=A,B=b(16,0),T=0;for(T=0;T<4;++T){var R=U[0+T]+U[12+T],O=U[4+T]+U[8+T],N=U[4+T]-U[8+T],P=U[0+T]-U[12+T];B[0+T]=R+O,B[8+T]=R-O,B[4+T]=P+N,B[12+T]=P-N}for(T=0;T<4;++T){const 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t.insert=0,4===e?(d(t,!0),0===t.strm.avail_out?3:4):(t.strstart>t.block_start&&(d(t,!1),t.strm.avail_out),1)})),new m(4,4,8,4,g),new m(4,5,16,8,g),new m(4,6,32,32,g),new m(4,4,16,16,v),new m(8,16,32,32,v),new m(8,16,128,128,v),new m(8,32,128,256,v),new m(32,128,258,1024,v),new m(32,258,258,4096,v)],e.deflateInit=function(t,e){return E(t,e,8,15,8,0)},e.deflateInit2=E,e.deflateReset=A,e.deflateResetKeep=y,e.deflateSetHeader=function(t,e){return t&&t.state?2!==t.state.wrap?-2:(t.state.gzhead=e,0):-2},e.deflate=function(t,e){var n,r,s,f;if(!t||!t.state||e>5||e<0)return t?h(t,-2):-2;if(r=t.state,!t.output||!t.input&&0!==t.avail_in||666===r.status&&4!==e)return h(t,0===t.avail_out?-5:-2);if(r.strm=t,n=r.last_flush,r.last_flush=e,42===r.status)if(2===r.wrap)t.adler=0,b(r,31),b(r,139),b(r,8),r.gzhead?(b(r,(r.gzhead.text?1:0)+(r.gzhead.hcrc?2:0)+(r.gzhead.extra?4:0)+(r.gzhead.name?8:0)+(r.gzhead.comment?16:0)),b(r,255&r.gzhead.time),b(r,r.gzhead.time>>8&255),b(r,r.gzhead.time>>16&255),b(r,r.gzhead.time>>24&255),b(r,9===r.level?2:r.strategy>=2||r.level<2?4:0),b(r,255&r.gzhead.os),r.gzhead.extra&&r.gzhead.extra.length&&(b(r,255&r.gzhead.extra.length),b(r,r.gzhead.extra.length>>8&255)),r.gzhead.hcrc&&(t.adler=o(t.adler,r.pending_buf,r.pending,0)),r.gzindex=0,r.status=69):(b(r,0),b(r,0),b(r,0),b(r,0),b(r,0),b(r,9===r.level?2:r.strategy>=2||r.level<2?4:0),b(r,3),r.status=113);else{var p=8+(r.w_bits-8<<4)<<8;p|=(r.strategy>=2||r.level<2?0:r.level<6?1:6===r.level?2:3)<<6,0!==r.strstart&&(p|=32),p+=31-p%31,r.status=113,_(r,p),0!==r.strstart&&(_(r,t.adler>>>16),_(r,65535&t.adler)),t.adler=1}if(69===r.status)if(r.gzhead.extra){for(s=r.pending;r.gzindex<(65535&r.gzhead.extra.length)&&(r.pending!==r.pending_buf_size||(r.gzhead.hcrc&&r.pending>s&&(t.adler=o(t.adler,r.pending_buf,r.pending-s,s)),u(t),s=r.pending,r.pending!==r.pending_buf_size));)b(r,255&r.gzhead.extra[r.gzindex]),r.gzindex++;r.gzhead.hcrc&&r.pending>s&&(t.adler=o(t.adler,r.pending_buf,r.pending-s,s)),r.gzindex===r.gzhead.extra.length&&(r.gzindex=0,r.status=73)}else r.status=73;if(73===r.status)if(r.gzhead.name){s=r.pending;do{if(r.pending===r.pending_buf_size&&(r.gzhead.hcrc&&r.pending>s&&(t.adler=o(t.adler,r.pending_buf,r.pending-s,s)),u(t),s=r.pending,r.pending===r.pending_buf_size)){f=1;break}f=r.gzindex<r.gzhead.name.length?255&r.gzhead.name.charCodeAt(r.gzindex++):0,b(r,f)}while(0!==f);r.gzhead.hcrc&&r.pending>s&&(t.adler=o(t.adler,r.pending_buf,r.pending-s,s)),0===f&&(r.gzindex=0,r.status=91)}else r.status=91;if(91===r.status)if(r.gzhead.comment){s=r.pending;do{if(r.pending===r.pending_buf_size&&(r.gzhead.hcrc&&r.pending>s&&(t.adler=o(t.adler,r.pending_buf,r.pending-s,s)),u(t),s=r.pending,r.pending===r.pending_buf_size)){f=1;break}f=r.gzindex<r.gzhead.comment.length?255&r.gzhead.comment.charCodeAt(r.gzindex++):0,b(r,f)}while(0!==f);r.gzhead.hcrc&&r.pending>s&&(t.adler=o(t.adler,r.pending_buf,r.pending-s,s)),0===f&&(r.status=103)}else r.status=103;if(103===r.status&&(r.gzhead.hcrc?(r.pending+2>r.pending_buf_size&&u(t),r.pending+2<=r.pending_buf_size&&(b(r,255&t.adler),b(r,t.adler>>8&255),t.adler=0,r.status=113)):r.status=113),0!==r.pending){if(u(t),0===t.avail_out)return r.last_flush=-1,0}else if(0===t.avail_in&&l(e)<=l(n)&&4!==e)return h(t,-5);if(666===r.status&&0!==t.avail_in)return h(t,-5);if(0!==t.avail_in||0!==r.lookahead||0!==e&&666!==r.status){var g=2===r.strategy?function(t,e){for(var n;;){if(0===t.lookahead&&(w(t),0===t.lookahead)){if(0===e)return 1;break}if(t.match_length=0,n=i._tr_tally(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++,n&&(d(t,!1),0===t.strm.avail_out))return 1}return t.insert=0,4===e?(d(t,!0),0===t.strm.avail_out?3:4):t.last_lit&&(d(t,!1),0===t.strm.avail_out)?1:2}(r,e):3===r.strategy?function(t,e){for(var n,a,r,s,o=t.window;;){if(t.lookahead<=258){if(w(t),t.lookahead<=258&&0===e)return 1;if(0===t.lookahead)break}if(t.match_length=0,t.lookahead>=3&&t.strstart>0&&(a=o[r=t.strstart-1])===o[++r]&&a===o[++r]&&a===o[++r]){s=t.strstart+258;do{}while(a===o[++r]&&a===o[++r]&&a===o[++r]&&a===o[++r]&&a===o[++r]&&a===o[++r]&&a===o[++r]&&a===o[++r]&&r<s);t.match_length=258-(s-r),t.match_length>t.lookahead&&(t.match_length=t.lookahead)}if(t.match_length>=3?(n=i._tr_tally(t,1,t.match_length-3),t.lookahead-=t.match_length,t.strstart+=t.match_length,t.match_length=0):(n=i._tr_tally(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++),n&&(d(t,!1),0===t.strm.avail_out))return 1}return t.insert=0,4===e?(d(t,!0),0===t.strm.avail_out?3:4):t.last_lit&&(d(t,!1),0===t.strm.avail_out)?1:2}(r,e):a[r.level].func(r,e);if(3!==g&&4!==g||(r.status=666),1===g||3===g)return 0===t.avail_out&&(r.last_flush=-1),0;if(2===g&&(1===e?i._tr_align(r):5!==e&&(i._tr_stored_block(r,0,0,!1),3===e&&(c(r.head),0===r.lookahead&&(r.strstart=0,r.block_start=0,r.insert=0))),u(t),0===t.avail_out))return 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e;for(e=0;e<286;e++)t.dyn_ltree[2*e]=0;for(e=0;e<30;e++)t.dyn_dtree[2*e]=0;for(e=0;e<19;e++)t.bl_tree[2*e]=0;t.dyn_ltree[512]=1,t.opt_len=t.static_len=0,t.last_lit=t.matches=0}function S(t){t.bi_valid>8?k(t,t.bi_buf):t.bi_valid>0&&(t.pending_buf[t.pending++]=t.bi_buf),t.bi_buf=0,t.bi_valid=0}function B(t,e,n,a){var r=2*e,i=2*n;return t[r]<t[i]||t[r]===t[i]&&a[e]<=a[n]}function T(t,e,n){for(var a=t.heap[n],r=n<<1;r<=t.heap_len&&(r<t.heap_len&&B(e,t.heap[r+1],t.heap[r],t.depth)&&r++,!B(e,a,t.heap[r],t.depth));)t.heap[n]=t.heap[r],n=r,r<<=1;t.heap[n]=a}function R(t,e,n){var a,r,o,f,h=0;if(0!==t.last_lit)do{a=t.pending_buf[t.d_buf+2*h]<<8|t.pending_buf[t.d_buf+2*h+1],r=t.pending_buf[t.l_buf+h],h++,0===a?A(t,r,e):(A(t,(o=u[r])+256+1,e),0!==(f=i[o])&&y(t,r-=d[o],f),A(t,o=m(--a),n),0!==(f=s[o])&&y(t,a-=w[o],f))}while(h<t.last_lit);A(t,256,e)}function z(t,e){var n,a,r,i=e.dyn_tree,s=e.stat_desc.static_tree,o=e.stat_desc.has_stree,f=e.stat_desc.elems,h=-1;for(t.heap_len=0,t.heap_max=573,n=0;n<f;n++)0!==i[2*n]?(t.heap[++t.heap_len]=h=n,t.depth[n]=0):i[2*n+1]=0;for(;t.heap_len<2;)i[2*(r=t.heap[++t.heap_len]=h<2?++h:0)]=1,t.depth[r]=0,t.opt_len--,o&&(t.static_len-=s[2*r+1]);for(e.max_code=h,n=t.heap_len>>1;n>=1;n--)T(t,i,n);r=f;do{n=t.heap[1],t.heap[1]=t.heap[t.heap_len--],T(t,i,1),a=t.heap[1],t.heap[--t.heap_max]=n,t.heap[--t.heap_max]=a,i[2*r]=i[2*n]+i[2*a],t.depth[r]=(t.depth[n]>=t.depth[a]?t.depth[n]:t.depth[a])+1,i[2*n+1]=i[2*a+1]=r,t.heap[1]=r++,T(t,i,1)}while(t.heap_len>=2);t.heap[--t.heap_max]=t.heap[1],function(t,e){var n,a,r,i,s,o,f=e.dyn_tree,h=e.max_code,l=e.stat_desc.static_tree,c=e.stat_desc.has_stree,u=e.stat_desc.extra_bits,d=e.stat_desc.extra_base,b=e.stat_desc.max_length,_=0;for(i=0;i<=15;i++)t.bl_count[i]=0;for(f[2*t.heap[t.heap_max]+1]=0,n=t.heap_max+1;n<573;n++)(i=f[2*f[2*(a=t.heap[n])+1]+1]+1)>b&&(i=b,_++),f[2*a+1]=i,a>h||(t.bl_count[i]++,s=0,a>=d&&(s=u[a-d]),o=f[2*a],t.opt_len+=o*(i+s),c&&(t.static_len+=o*(l[2*a+1]+s)));if(0!==_){do{for(i=b-1;0===t.bl_count[i];)i--;t.bl_count[i]--,t.bl_count[i+1]+=2,t.bl_count[b]--,_-=2}while(_>0);for(i=b;0!==i;i--)for(a=t.bl_count[i];0!==a;)(r=t.heap[--n])>h||(f[2*r+1]!==i&&(t.opt_len+=(i-f[2*r+1])*f[2*r],f[2*r+1]=i),a--)}}(t,e),x(i,h,t.bl_count)}function O(t,e,n){var a,r,i=-1,s=e[1],o=0,f=7,h=4;for(0===s&&(f=138,h=3),e[2*(n+1)+1]=65535,a=0;a<=n;a++)r=s,s=e[2*(a+1)+1],++o<f&&r===s||(o<h?t.bl_tree[2*r]+=o:0!==r?(r!==i&&t.bl_tree[2*r]++,t.bl_tree[32]++):o<=10?t.bl_tree[34]++:t.bl_tree[36]++,o=0,i=r,0===s?(f=138,h=3):r===s?(f=6,h=3):(f=7,h=4))}function 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t.pending_buf[t.d_buf+2*t.last_lit]=e>>>8&255,t.pending_buf[t.d_buf+2*t.last_lit+1]=255&e,t.pending_buf[t.l_buf+t.last_lit]=255&n,t.last_lit++,0===e?t.dyn_ltree[2*n]++:(t.matches++,e--,t.dyn_ltree[2*(u[n]+256+1)]++,t.dyn_dtree[2*m(e)]++),t.last_lit===t.lit_bufsize-1},e._tr_align=function(t){y(t,2,3),A(t,256,h),function(t){16===t.bi_valid?(k(t,t.bi_buf),t.bi_buf=0,t.bi_valid=0):t.bi_valid>=8&&(t.pending_buf[t.pending++]=255&t.bi_buf,t.bi_buf>>=8,t.bi_valid-=8)}(t)}},function(t,e,n){"use strict";var a=n(16),r=n(0),i=n(5),s=n(7),o=n(2),f=n(6),h=n(19),l=Object.prototype.toString;function c(t){if(!(this instanceof c))return new c(t);this.options=r.assign({chunkSize:16384,windowBits:0,to:""},t||{});var 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13:if(n.last){_>>>=7&p,p-=7&p,n.mode=27;break}for(;p<3;){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}switch(n.last=1&_,p-=1,3&(_>>>=1)){case 0:n.mode=14;break;case 1:if(w(n),n.mode=20,6===e){_>>>=2,p-=2;break t}break;case 2:n.mode=17;break;case 3:t.msg="invalid block type",n.mode=30}_>>>=2,p-=2;break;case 14:for(_>>>=7&p,p-=7&p;p<32;){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}if((65535&_)!=(_>>>16^65535)){t.msg="invalid stored block lengths",n.mode=30;break}if(n.length=65535&_,_=0,p=0,n.mode=15,6===e)break t;case 15:n.mode=16;case 16:if(k=n.length){if(k>d&&(k=d),k>b&&(k=b),0===k)break t;a.arraySet(l,h,c,k,u),d-=k,c+=k,b-=k,u+=k,n.length-=k;break}n.mode=12;break;case 17:for(;p<14;){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}if(n.nlen=257+(31&_),_>>>=5,p-=5,n.ndist=1+(31&_),_>>>=5,p-=5,n.ncode=4+(15&_),_>>>=4,p-=4,n.nlen>286||n.ndist>30){t.msg="too many length or distance symbols",n.mode=30;break}n.have=0,n.mode=18;case 18:for(;n.have<n.ncode;){for(;p<3;){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}n.lens[C[n.have++]]=7&_,_>>>=3,p-=3}for(;n.have<19;)n.lens[C[n.have++]]=0;if(n.lencode=n.lendyn,n.lenbits=7,O={bits:n.lenbits},z=o(0,n.lens,0,19,n.lencode,0,n.work,O),n.lenbits=O.bits,z){t.msg="invalid code lengths set",n.mode=30;break}n.have=0,n.mode=19;case 19:for(;n.have<n.nlen+n.ndist;){for(;x=(P=n.lencode[_&(1<<n.lenbits)-1])>>>16&255,U=65535&P,!((E=P>>>24)<=p);){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}if(U<16)_>>>=E,p-=E,n.lens[n.have++]=U;else{if(16===U){for(N=E+2;p<N;){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}if(_>>>=E,p-=E,0===n.have){t.msg="invalid bit length repeat",n.mode=30;break}R=n.lens[n.have-1],k=3+(3&_),_>>>=2,p-=2}else if(17===U){for(N=E+3;p<N;){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}p-=E,R=0,k=3+(7&(_>>>=E)),_>>>=3,p-=3}else{for(N=E+7;p<N;){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}p-=E,R=0,k=11+(127&(_>>>=E)),_>>>=7,p-=7}if(n.have+k>n.nlen+n.ndist){t.msg="invalid bit length repeat",n.mode=30;break}for(;k--;)n.lens[n.have++]=R}}if(30===n.mode)break;if(0===n.lens[256]){t.msg="invalid code -- missing end-of-block",n.mode=30;break}if(n.lenbits=9,O={bits:n.lenbits},z=o(1,n.lens,0,n.nlen,n.lencode,0,n.work,O),n.lenbits=O.bits,z){t.msg="invalid literal/lengths set",n.mode=30;break}if(n.distbits=6,n.distcode=n.distdyn,O={bits:n.distbits},z=o(2,n.lens,n.nlen,n.ndist,n.distcode,0,n.work,O),n.distbits=O.bits,z){t.msg="invalid distances set",n.mode=30;break}if(n.mode=20,6===e)break t;case 20:n.mode=21;case 21:if(d>=6&&b>=258){t.next_out=u,t.avail_out=b,t.next_in=c,t.avail_in=d,n.hold=_,n.bits=p,s(t,m),u=t.next_out,l=t.output,b=t.avail_out,c=t.next_in,h=t.input,d=t.avail_in,_=n.hold,p=n.bits,12===n.mode&&(n.back=-1);break}for(n.back=0;x=(P=n.lencode[_&(1<<n.lenbits)-1])>>>16&255,U=65535&P,!((E=P>>>24)<=p);){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}if(x&&0==(240&x)){for(S=E,B=x,T=U;x=(P=n.lencode[T+((_&(1<<S+B)-1)>>S)])>>>16&255,U=65535&P,!(S+(E=P>>>24)<=p);){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}_>>>=S,p-=S,n.back+=S}if(_>>>=E,p-=E,n.back+=E,n.length=U,0===x){n.mode=26;break}if(32&x){n.back=-1,n.mode=12;break}if(64&x){t.msg="invalid literal/length code",n.mode=30;break}n.extra=15&x,n.mode=22;case 22:if(n.extra){for(N=n.extra;p<N;){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}n.length+=_&(1<<n.extra)-1,_>>>=n.extra,p-=n.extra,n.back+=n.extra}n.was=n.length,n.mode=23;case 23:for(;x=(P=n.distcode[_&(1<<n.distbits)-1])>>>16&255,U=65535&P,!((E=P>>>24)<=p);){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}if(0==(240&x)){for(S=E,B=x,T=U;x=(P=n.distcode[T+((_&(1<<S+B)-1)>>S)])>>>16&255,U=65535&P,!(S+(E=P>>>24)<=p);){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}_>>>=S,p-=S,n.back+=S}if(_>>>=E,p-=E,n.back+=E,64&x){t.msg="invalid distance code",n.mode=30;break}n.offset=U,n.extra=15&x,n.mode=24;case 24:if(n.extra){for(N=n.extra;p<N;){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}n.offset+=_&(1<<n.extra)-1,_>>>=n.extra,p-=n.extra,n.back+=n.extra}if(n.offset>n.dmax){t.msg="invalid distance too far back",n.mode=30;break}n.mode=25;case 25:if(0===b)break t;if(k=m-b,n.offset>k){if((k=n.offset-k)>n.whave&&n.sane){t.msg="invalid distance too far back",n.mode=30;break}k>n.wnext?(k-=n.wnext,y=n.wsize-k):y=n.wnext-k,k>n.length&&(k=n.length),A=n.window}else A=l,y=u-n.offset,k=n.length;k>b&&(k=b),b-=k,n.length-=k;do{l[u++]=A[y++]}while(--k);0===n.length&&(n.mode=21);break;case 26:if(0===b)break t;l[u++]=n.length,b--,n.mode=21;break;case 27:if(n.wrap){for(;p<32;){if(0===d)break t;d--,_|=h[c++]<<p,p+=8}if(m-=b,t.total_out+=m,n.total+=m,m&&(t.adler=n.check=n.flags?i(n.check,l,m,u-m):r(n.check,l,m,u-m)),m=b,(n.flags?_:f(_))!==n.check){t.msg="incorrect data check",n.mode=30;break}_=0,p=0}n.mode=28;case 28:if(n.wrap&&n.flags){for(;p<32;){if(0===d)break t;d--,_+=h[c++]<<p,p+=8}if(_!==(4294967295&n.total)){t.msg="incorrect length check",n.mode=30;break}_=0,p=0}n.mode=29;case 29:z=1;break t;case 30:z=-3;break t;case 31:return-4;case 32:default:return-2}return t.next_out=u,t.avail_out=b,t.next_in=c,t.avail_in=d,n.hold=_,n.bits=p,(n.wsize||m!==t.avail_out&&n.mode<30&&(n.mode<27||4!==e))&&g(t,t.output,t.next_out,m-t.avail_out)?(n.mode=31,-4):(v-=t.avail_in,m-=t.avail_out,t.total_in+=v,t.total_out+=m,n.total+=m,n.wrap&&m&&(t.adler=n.check=n.flags?i(n.check,l,m,t.next_out-m):r(n.check,l,m,t.next_out-m)),t.data_type=n.bits+(n.last?64:0)+(12===n.mode?128:0)+(20===n.mode||15===n.mode?256:0),(0===v&&0===m||4===e)&&0===z&&(z=-5),z)},e.inflateEnd=function(t){if(!t||!t.state)return-2;var e=t.state;return e.window&&(e.window=null),t.state=null,0},e.inflateGetHeader=function(t,e){var n;return t&&t.state?0==(2&(n=t.state).wrap)?-2:(n.head=e,e.done=!1,0):-2},e.inflateSetDictionary=function(t,e){var n,a=e.length;return t&&t.state?0!==(n=t.state).wrap&&11!==n.mode?-2:11===n.mode&&r(1,e,a,0)!==n.check?-3:g(t,e,a,a)?(n.mode=31,-4):(n.havedict=1,0):-2},e.inflateInfo="pako inflate (from Nodeca project)"},function(t,e,n){"use strict";t.exports=function(t,e){var n,a,r,i,s,o,f,h,l,c,u,d,b,_,p,w,g,v,m,k,y,A,E,x,U;n=t.state,a=t.next_in,x=t.input,r=a+(t.avail_in-5),i=t.next_out,U=t.output,s=i-(e-t.avail_out),o=i+(t.avail_out-257),f=n.dmax,h=n.wsize,l=n.whave,c=n.wnext,u=n.window,d=n.hold,b=n.bits,_=n.lencode,p=n.distcode,w=(1<<n.lenbits)-1,g=(1<<n.distbits)-1;t:do{b<15&&(d+=x[a++]<<b,b+=8,d+=x[a++]<<b,b+=8),v=_[d&w];e:for(;;){if(d>>>=m=v>>>24,b-=m,0===(m=v>>>16&255))U[i++]=65535&v;else{if(!(16&m)){if(0==(64&m)){v=_[(65535&v)+(d&(1<<m)-1)];continue e}if(32&m){n.mode=12;break t}t.msg="invalid literal/length code",n.mode=30;break t}k=65535&v,(m&=15)&&(b<m&&(d+=x[a++]<<b,b+=8),k+=d&(1<<m)-1,d>>>=m,b-=m),b<15&&(d+=x[a++]<<b,b+=8,d+=x[a++]<<b,b+=8),v=p[d&g];n:for(;;){if(d>>>=m=v>>>24,b-=m,!(16&(m=v>>>16&255))){if(0==(64&m)){v=p[(65535&v)+(d&(1<<m)-1)];continue n}t.msg="invalid distance code",n.mode=30;break t}if(y=65535&v,b<(m&=15)&&(d+=x[a++]<<b,(b+=8)<m&&(d+=x[a++]<<b,b+=8)),(y+=d&(1<<m)-1)>f){t.msg="invalid distance too far back",n.mode=30;break t}if(d>>>=m,b-=m,y>(m=i-s)){if((m=y-m)>l&&n.sane){t.msg="invalid distance too far back",n.mode=30;break t}if(A=0,E=u,0===c){if(A+=h-m,m<k){k-=m;do{U[i++]=u[A++]}while(--m);A=i-y,E=U}}else if(c<m){if(A+=h+c-m,(m-=c)<k){k-=m;do{U[i++]=u[A++]}while(--m);if(A=0,c<k){k-=m=c;do{U[i++]=u[A++]}while(--m);A=i-y,E=U}}}else if(A+=c-m,m<k){k-=m;do{U[i++]=u[A++]}while(--m);A=i-y,E=U}for(;k>2;)U[i++]=E[A++],U[i++]=E[A++],U[i++]=E[A++],k-=3;k&&(U[i++]=E[A++],k>1&&(U[i++]=E[A++]))}else{A=i-y;do{U[i++]=U[A++],U[i++]=U[A++],U[i++]=U[A++],k-=3}while(k>2);k&&(U[i++]=U[A++],k>1&&(U[i++]=U[A++]))}break}}break}}while(a<r&&i<o);a-=k=b>>3,d&=(1<<(b-=k<<3))-1,t.next_in=a,t.next_out=i,t.avail_in=a<r?r-a+5:5-(a-r),t.avail_out=i<o?o-i+257:257-(i-o),n.hold=d,n.bits=b}},function(t,e,n){"use strict";var a=n(0),r=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],i=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78],s=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0],o=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];t.exports=function(t,e,n,f,h,l,c,u){var d,b,_,p,w,g,v,m,k,y=u.bits,A=0,E=0,x=0,U=0,S=0,B=0,T=0,R=0,z=0,O=0,N=null,P=0,I=new a.Buf16(16),C=new a.Buf16(16),D=null,L=0;for(A=0;A<=15;A++)I[A]=0;for(E=0;E<f;E++)I[e[n+E]]++;for(S=y,U=15;U>=1&&0===I[U];U--);if(S>U&&(S=U),0===U)return h[l++]=20971520,h[l++]=20971520,u.bits=1,0;for(x=1;x<U&&0===I[x];x++);for(S<x&&(S=x),R=1,A=1;A<=15;A++)if(R<<=1,(R-=I[A])<0)return-1;if(R>0&&(0===t||1!==U))return-1;for(C[1]=0,A=1;A<15;A++)C[A+1]=C[A]+I[A];for(E=0;E<f;E++)0!==e[n+E]&&(c[C[e[n+E]]++]=E);if(0===t?(N=D=c,g=19):1===t?(N=r,P-=257,D=i,L-=257,g=256):(N=s,D=o,g=-1),O=0,E=0,A=x,w=l,B=S,T=0,_=-1,p=(z=1<<S)-1,1===t&&z>852||2===t&&z>592)return 1;for(;;){v=A-T,c[E]<g?(m=0,k=c[E]):c[E]>g?(m=D[L+c[E]],k=N[P+c[E]]):(m=96,k=0),d=1<<A-T,x=b=1<<B;do{h[w+(O>>T)+(b-=d)]=v<<24|m<<16|k|0}while(0!==b);for(d=1<<A-1;O&d;)d>>=1;if(0!==d?(O&=d-1,O+=d):O=0,E++,0==--I[A]){if(A===U)break;A=e[n+c[E]]}if(A>S&&(O&p)!==_){for(0===T&&(T=S),w+=x,R=1<<(B=A-T);B+T<U&&!((R-=I[B+T])<=0);)B++,R<<=1;if(z+=1<<B,1===t&&z>852||2===t&&z>592)return 1;h[_=O&p]=S<<24|B<<16|w-l|0}}return 0!==O&&(h[w+O]=A-T<<24|64<<16|0),u.bits=S,0}},function(t,e,n){"use strict";t.exports=function(){this.text=0,this.time=0,this.xflags=0,this.os=0,this.extra=null,this.extra_len=0,this.name="",this.comment="",this.hcrc=0,this.done=!1}},function(t,e,n){"use strict";n.r(e),n.d(e,"ResolutionUnitSpecifier",(function(){return T})),n.d(e,"decode",(function(){return R})),n.d(e,"encode",(function(){return z}));n(11);const a=new TextDecoder("utf-8");const r=new TextEncoder;class i{constructor(t=8192,e={}){let n=!1;"number"==typeof t?t=new ArrayBuffer(t):(n=!0,this.lastWrittenByte=t.byteLength);const a=e.offset?e.offset>>>0:0,r=t.byteLength-a;let s=a;(ArrayBuffer.isView(t)||t instanceof i)&&(t.byteLength!==t.buffer.byteLength&&(s=t.byteOffset+a),t=t.buffer),this.lastWrittenByte=n?r:0,this.buffer=t,this.length=r,this.byteLength=r,this.byteOffset=s,this.offset=0,this.littleEndian=!0,this._data=new DataView(this.buffer,s,r),this._mark=0,this._marks=[]}available(t=1){return this.offset+t<=this.length}isLittleEndian(){return this.littleEndian}setLittleEndian(){return this.littleEndian=!0,this}isBigEndian(){return!this.littleEndian}setBigEndian(){return this.littleEndian=!1,this}skip(t=1){return this.offset+=t,this}seek(t){return this.offset=t,this}mark(){return this._mark=this.offset,this}reset(){return this.offset=this._mark,this}pushMark(){return this._marks.push(this.offset),this}popMark(){const t=this._marks.pop();if(void 0===t)throw new Error("Mark stack empty");return this.seek(t),this}rewind(){return this.offset=0,this}ensureAvailable(t=1){if(!this.available(t)){const e=2*(this.offset+t),n=new Uint8Array(e);n.set(new Uint8Array(this.buffer)),this.buffer=n.buffer,this.length=this.byteLength=e,this._data=new DataView(this.buffer)}return this}readBoolean(){return 0!==this.readUint8()}readInt8(){return this._data.getInt8(this.offset++)}readUint8(){return this._data.getUint8(this.offset++)}readByte(){return this.readUint8()}readBytes(t=1){const e=new Uint8Array(t);for(let n=0;n<t;n++)e[n]=this.readByte();return e}readInt16(){const t=this._data.getInt16(this.offset,this.littleEndian);return this.offset+=2,t}readUint16(){const t=this._data.getUint16(this.offset,this.littleEndian);return this.offset+=2,t}readInt32(){const t=this._data.getInt32(this.offset,this.littleEndian);return this.offset+=4,t}readUint32(){const t=this._data.getUint32(this.offset,this.littleEndian);return this.offset+=4,t}readFloat32(){const t=this._data.getFloat32(this.offset,this.littleEndian);return this.offset+=4,t}readFloat64(){const t=this._data.getFloat64(this.offset,this.littleEndian);return this.offset+=8,t}readChar(){return String.fromCharCode(this.readInt8())}readChars(t=1){let e="";for(let n=0;n<t;n++)e+=this.readChar();return e}readUtf8(t=1){return e=this.readBytes(t),a.decode(e);var e}writeBoolean(t){return this.writeUint8(t?255:0),this}writeInt8(t){return this.ensureAvailable(1),this._data.setInt8(this.offset++,t),this._updateLastWrittenByte(),this}writeUint8(t){return this.ensureAvailable(1),this._data.setUint8(this.offset++,t),this._updateLastWrittenByte(),this}writeByte(t){return this.writeUint8(t)}writeBytes(t){this.ensureAvailable(t.length);for(let e=0;e<t.length;e++)this._data.setUint8(this.offset++,t[e]);return this._updateLastWrittenByte(),this}writeInt16(t){return this.ensureAvailable(2),this._data.setInt16(this.offset,t,this.littleEndian),this.offset+=2,this._updateLastWrittenByte(),this}writeUint16(t){return this.ensureAvailable(2),this._data.setUint16(this.offset,t,this.littleEndian),this.offset+=2,this._updateLastWrittenByte(),this}writeInt32(t){return this.ensureAvailable(4),this._data.setInt32(this.offset,t,this.littleEndian),this.offset+=4,this._updateLastWrittenByte(),this}writeUint32(t){return this.ensureAvailable(4),this._data.setUint32(this.offset,t,this.littleEndian),this.offset+=4,this._updateLastWrittenByte(),this}writeFloat32(t){return this.ensureAvailable(4),this._data.setFloat32(this.offset,t,this.littleEndian),this.offset+=4,this._updateLastWrittenByte(),this}writeFloat64(t){return this.ensureAvailable(8),this._data.setFloat64(this.offset,t,this.littleEndian),this.offset+=8,this._updateLastWrittenByte(),this}writeChar(t){return this.writeUint8(t.charCodeAt(0))}writeChars(t){for(let e=0;e<t.length;e++)this.writeUint8(t.charCodeAt(e));return this}writeUtf8(t){return this.writeBytes(function(t){return r.encode(t)}(t))}toArray(){return new Uint8Array(this.buffer,this.byteOffset,this.lastWrittenByte)}_updateLastWrittenByte(){this.offset>this.lastWrittenByte&&(this.lastWrittenByte=this.offset)}}var s=n(1);const o=[137,80,78,71,13,10,26,10],f=[];for(let t=0;t<256;t++){let e=t;for(let t=0;t<8;t++)1&e?e=3988292384^e>>>1:e>>>=1;f[t]=e}function h(t,e){return(4294967295^function(t,e,n){let a=t;for(let t=0;t<n;t++)a=f[255&(a^e[t])]^a>>>8;return a}(4294967295,t,e))>>>0}var l,c,u,d;!function(t){t[t.UNKNOWN=-1]="UNKNOWN",t[t.GREYSCALE=0]="GREYSCALE",t[t.TRUECOLOUR=2]="TRUECOLOUR",t[t.INDEXED_COLOUR=3]="INDEXED_COLOUR",t[t.GREYSCALE_ALPHA=4]="GREYSCALE_ALPHA",t[t.TRUECOLOUR_ALPHA=6]="TRUECOLOUR_ALPHA"}(l||(l={})),function(t){t[t.UNKNOWN=-1]="UNKNOWN",t[t.DEFLATE=0]="DEFLATE"}(c||(c={})),function(t){t[t.UNKNOWN=-1]="UNKNOWN",t[t.ADAPTIVE=0]="ADAPTIVE"}(u||(u={})),function(t){t[t.UNKNOWN=-1]="UNKNOWN",t[t.NO_INTERLACE=0]="NO_INTERLACE",t[t.ADAM7=1]="ADAM7"}(d||(d={}));const b=new Uint8Array(0),_=new Uint16Array([255]),p=255===new Uint8Array(_.buffer)[0];class w extends i{constructor(t,e={}){super(t);const{checkCrc:n=!1}=e;this._checkCrc=n,this._inflator=new s.Inflate,this._png={width:-1,height:-1,channels:-1,data:new Uint8Array(0),depth:1,text:{}},this._end=!1,this._hasPalette=!1,this._palette=[],this._compressionMethod=c.UNKNOWN,this._filterMethod=u.UNKNOWN,this._interlaceMethod=d.UNKNOWN,this._colorType=-1,this.setBigEndian()}decode(){for(this.decodeSignature();!this._end;)this.decodeChunk();return this.decodeImage(),this._png}decodeSignature(){for(let t=0;t<o.length;t++)if(this.readUint8()!==o[t])throw new Error(`wrong PNG signature. Byte at ${t} should be ${o[t]}.`)}decodeChunk(){const t=this.readUint32(),e=this.readChars(4),n=this.offset;switch(e){case"IHDR":this.decodeIHDR();break;case"PLTE":this.decodePLTE(t);break;case"IDAT":this.decodeIDAT(t);break;case"IEND":this._end=!0;break;case"tRNS":this.decodetRNS(t);break;case"tEXt":this.decodetEXt(t);break;case"pHYs":this.decodepHYs();break;default:this.skip(t)}if(this.offset-n!==t)throw new Error("Length mismatch while decoding chunk "+e);if(this._checkCrc){const n=this.readUint32(),a=t+4,r=h(new Uint8Array(this.buffer,this.byteOffset+this.offset-a-4,a),a);if(r!==n)throw new Error(`CRC mismatch for chunk ${e}. Expected ${n}, found ${r}`)}else this.skip(4)}decodeIHDR(){const t=this._png;t.width=this.readUint32(),t.height=this.readUint32(),t.depth=function(t){if(1!==t&&2!==t&&4!==t&&8!==t&&16!==t)throw new Error("invalid bit depth: "+t);return t}(this.readUint8());const e=this.readUint8();let n;switch(this._colorType=e,e){case l.GREYSCALE:n=1;break;case l.TRUECOLOUR:n=3;break;case l.INDEXED_COLOUR:n=1;break;case l.GREYSCALE_ALPHA:n=2;break;case l.TRUECOLOUR_ALPHA:n=4;break;default:throw new Error("Unknown color type: "+e)}if(this._png.channels=n,this._compressionMethod=this.readUint8(),this._compressionMethod!==c.DEFLATE)throw new Error("Unsupported compression method: "+this._compressionMethod);this._filterMethod=this.readUint8(),this._interlaceMethod=this.readUint8()}decodePLTE(t){if(t%3!=0)throw new RangeError("PLTE field length must be a multiple of 3. Got "+t);const e=t/3;this._hasPalette=!0;const n=[];this._palette=n;for(let t=0;t<e;t++)n.push([this.readUint8(),this.readUint8(),this.readUint8()])}decodeIDAT(t){this._inflator.push(new Uint8Array(this.buffer,this.offset+this.byteOffset,t),!1),this.skip(t)}decodetRNS(t){if(3===this._colorType){if(t>this._palette.length)throw new Error(`tRNS chunk contains more alpha values than there are palette colors (${t} vs ${this._palette.length})`);let e=0;for(;e<t;e++){const t=this.readByte();this._palette[e].push(t)}for(;e<this._palette.length;e++)this._palette[e].push(255)}}decodetEXt(t){let e,n="";for(;"\0"!==(e=this.readChar());)n+=e;this._png.text[n]=this.readChars(t-n.length-1)}decodepHYs(){const t=this.readUint32(),e=this.readUint32(),n=this.readByte();this._png.resolution={x:t,y:e,unit:n}}decodeImage(){if(this._inflator.push(b,!0),this._inflator.err)throw new Error("Error while decompressing the data: "+this._inflator.err);const t=this._inflator.result;if(this._filterMethod!==u.ADAPTIVE)throw new Error(`Filter method ${this._filterMethod} not supported`);if(this._interlaceMethod!==d.NO_INTERLACE)throw new Error(`Interlace method ${this._interlaceMethod} not supported`);this.decodeInterlaceNull(t)}decodeInterlaceNull(t){const e=this._png.height,n=this._png.channels*this._png.depth/8,a=this._png.width*n,r=new Uint8Array(this._png.height*a);let i,s,o=b,f=0;for(let h=0;h<e;h++){switch(i=t.subarray(f+1,f+1+a),s=r.subarray(h*a,(h+1)*a),t[f]){case 0:g(i,s,a);break;case 1:v(i,s,a,n);break;case 2:m(i,s,o,a);break;case 3:k(i,s,o,a,n);break;case 4:y(i,s,o,a,n);break;default:throw new Error("Unsupported filter: "+t[f])}o=s,f+=a+1}if(this._hasPalette&&(this._png.palette=this._palette),16===this._png.depth){const t=new Uint16Array(r.buffer);if(p)for(let e=0;e<t.length;e++)t[e]=(255&(h=t[e]))<<8|h>>8&255;this._png.data=t}else this._png.data=r;var h}}function g(t,e,n){for(let a=0;a<n;a++)e[a]=t[a]}function v(t,e,n,a){let r=0;for(;r<a;r++)e[r]=t[r];for(;r<n;r++)e[r]=t[r]+e[r-a]&255}function m(t,e,n,a){let r=0;if(0===n.length)for(;r<a;r++)e[r]=t[r];else for(;r<a;r++)e[r]=t[r]+n[r]&255}function k(t,e,n,a,r){let i=0;if(0===n.length){for(;i<r;i++)e[i]=t[i];for(;i<a;i++)e[i]=t[i]+(e[i-r]>>1)&255}else{for(;i<r;i++)e[i]=t[i]+(n[i]>>1)&255;for(;i<a;i++)e[i]=t[i]+(e[i-r]+n[i]>>1)&255}}function y(t,e,n,a,r){let i=0;if(0===n.length){for(;i<r;i++)e[i]=t[i];for(;i<a;i++)e[i]=t[i]+e[i-r]&255}else{for(;i<r;i++)e[i]=t[i]+n[i]&255;for(;i<a;i++)e[i]=t[i]+A(e[i-r],n[i],n[i-r])&255}}function A(t,e,n){const a=t+e-n,r=Math.abs(a-t),i=Math.abs(a-e),s=Math.abs(a-n);return r<=i&&r<=s?t:i<=s?e:n}const E={level:3};class x extends i{constructor(t,e={}){super(),this._colorType=l.UNKNOWN,this._zlibOptions=Object.assign({},E,e.zlib),this._png=this._checkData(t),this.setBigEndian()}encode(){return this.encodeSignature(),this.encodeIHDR(),this.encodeData(),this.encodeIEND(),this.toArray()}encodeSignature(){this.writeBytes(o)}encodeIHDR(){this.writeUint32(13),this.writeChars("IHDR"),this.writeUint32(this._png.width),this.writeUint32(this._png.height),this.writeByte(this._png.depth),this.writeByte(this._colorType),this.writeByte(c.DEFLATE),this.writeByte(u.ADAPTIVE),this.writeByte(d.NO_INTERLACE),this.writeCrc(17)}encodeIEND(){this.writeUint32(0),this.writeChars("IEND"),this.writeCrc(4)}encodeIDAT(t){this.writeUint32(t.length),this.writeChars("IDAT"),this.writeBytes(t),this.writeCrc(t.length+4)}encodeData(){const{width:t,height:e,channels:n,depth:a,data:r}=this._png,o=n*t,f=(new i).setBigEndian();let h=0;for(let t=0;t<e;t++)if(f.writeByte(0),8===a)h=S(r,f,o,h);else{if(16!==a)throw new Error("unreachable");h=B(r,f,o,h)}const l=f.toArray(),c=Object(s.deflate)(l,this._zlibOptions);this.encodeIDAT(c)}_checkData(t){const{colorType:e,channels:n,depth:a}=function(t){const{channels:e=4,depth:n=8}=t;if(4!==e&&3!==e&&2!==e&&1!==e)throw new RangeError("unsupported number of channels: "+e);if(8!==n&&16!==n)throw new RangeError("unsupported bit depth: "+n);const a={channels:e,depth:n,colorType:l.UNKNOWN};switch(e){case 4:a.colorType=l.TRUECOLOUR_ALPHA;break;case 3:a.colorType=l.TRUECOLOUR;break;case 1:a.colorType=l.GREYSCALE;break;case 2:a.colorType=l.GREYSCALE_ALPHA;break;default:throw new Error("unsupported number of channels: "+e)}return a}(t),r={width:U(t.width,"width"),height:U(t.height,"height"),channels:n,data:t.data,depth:a,text:{}};this._colorType=e;const i=r.width*r.height*n;if(r.data.length!==i)throw new RangeError(`wrong data size. Found ${r.data.length}, expected ${i}`);return r}writeCrc(t){this.writeUint32(h(new Uint8Array(this.buffer,this.byteOffset+this.offset-t,t),t))}}function U(t,e){if(Number.isInteger(t)&&t>0)return t;throw new TypeError(e+" must be a positive integer")}function S(t,e,n,a){for(let r=0;r<n;r++)e.writeByte(t[a++]);return a}function B(t,e,n,a){for(let r=0;r<n;r++)e.writeUint16(t[a++]);return a}var T;function R(t,e){return new w(t,e).decode()}function z(t,e){return new x(t,e).encode()}!function(t){t[t.UNKNOWN=0]="UNKNOWN",t[t.METRE=1]="METRE"}(T||(T={}))}]); |