		@@ -252,3 +252,2 @@ 'use strict';
		var filter = FILTER_TYPES[filterType];
		console.log(filterType);
		filtered[filterTypePos] = filter.type; //we need to write one additional byte with filter value each in row at the beginning
		@@ -255,0 +254,0 @@ filter.filter(data, fromPos, byteWidth, filtered, filterTypePos + 1, bpp);

dist/bundle.js

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n=t.prev[--e],t.prev[e]=n>=s?n-s:0;while(--a);i+=s}if(0===t.strm.avail_in)break;if(a=d(t.strm,t.window,t.strstart+t.lookahead,i),t.lookahead+=a,t.lookahead+t.insert>=ot)for(r=t.strstart-t.insert,t.ins_h=t.window[r],t.ins_h=(t.ins_h<<t.hash_shift^t.window[r+1])&t.hash_mask;t.insert&&(t.ins_h=(t.ins_h<<t.hash_shift^t.window[r+ot-1])&t.hash_mask,t.prev[r&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=r,r++,t.insert--,!(t.lookahead+t.insert<ot)););}while(t.lookahead<ht&&0!==t.strm.avail_in)}function _(t,e){var a=65535;for(a>t.pending_buf_size-5&&(a=t.pending_buf_size-5);;){if(t.lookahead<=1){if(f(t),0===t.lookahead&&e===T)return pt;if(0===t.lookahead)break}t.strstart+=t.lookahead,t.lookahead=0;var n=t.block_start+a;if((0===t.strstart\|\|t.strstart>=n)&&(t.lookahead=t.strstart-n,t.strstart=n,o(t,!1),0===t.strm.avail_out))return pt;if(t.strstart-t.block_start>=t.w_size-ht&&(o(t,!1),0===t.strm.avail_out))return pt}return t.insert=0,e===O?(o(t,!0),0===t.strm.avail_out?mt:kt):t.strstart>t.block_start&&(o(t,!1),0===t.strm.avail_out)?pt:pt}function c(t,e){for(var a,n;;){if(t.lookahead<ht){if(f(t),t.lookahead<ht&&e===T)return pt;if(0===t.lookahead)break}if(a=0,t.lookahead>=ot&&(t.ins_h=(t.ins_h<<t.hash_shift^t.window[t.strstart+ot-1])&t.hash_mask,a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart),0!==a&&t.strstart-a<=t.w_size-ht&&(t.match_length=u(t,a)),t.match_length>=ot)if(n=C._tr_tally(t,t.strstart-t.match_start,t.match_length-ot),t.lookahead-=t.match_length,t.match_length<=t.max_lazy_match&&t.lookahead>=ot){t.match_length--;do t.strstart++,t.ins_h=(t.ins_h<<t.hash_shift^t.window[t.strstart+ot-1])&t.hash_mask,a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart;while(0!==--t.match_length);t.strstart++}else t.strstart+=t.match_length,t.match_length=0,t.ins_h=t.window[t.strstart],t.ins_h=(t.ins_h<<t.hash_shift^t.window[t.strstart+1])&t.hash_mask;else 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i,r,o=0;t.level>0?(t.strm.data_type===D&&(t.strm.data_type=z(t)),v(t,t.l_desc),v(t,t.d_desc),o=y(t),i=t.opt_len+3+7>>>3,r=t.static_len+3+7>>>3,i>=r&&(i=r)):i=r=a+5,i>=a+4&&-1!==e?E(t,e,a,n):t.strategy===Z\|\|r===i?(s(t,(O<<1)+(n?1:0),3),p(t,it,rt)):(s(t,(U<<1)+(n?1:0),3),x(t,t.l_desc.max_code+1,t.d_desc.max_code+1,o+1),p(t,t.dyn_ltree,t.dyn_dtree)),_(t),n&&c(t)}function C(t,e,a){return t.pending_buf[t.d_buf+2t.last_lit]=e>>>8&255,t.pending_buf[t.d_buf+2t.last_lit+1]=255&e,t.pending_buf[t.l_buf+t.last_lit]=255&a,t.last_lit++,0===e?t.dyn_ltree[2a]++:(t.matches++,e--,t.dyn_ltree[2(ot[a]+H+1)]++,t.dyn_dtree[2i(e)]++),t.last_lit===t.lit_bufsize-1}var 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g,w,b=a(3),p=a(7),v=a(8),m=a(14),k=a(15),y=0,x=1,z=2,B=4,E=5,A=6,S=0,C=1,R=2,Z=-2,I=-3,T=-4,D=-5,N=8,O=1,U=2,L=3,M=4,P=5,H=6,F=7,j=8,Y=9,K=10,W=11,G=12,X=13,q=14,J=15,Q=16,V=17,$=18,tt=19,et=20,at=21,nt=22,it=23,rt=24,st=25,ot=26,lt=27,ht=28,dt=29,ut=30,ft=31,_t=32,ct=852,gt=592,wt=15,bt=wt,pt=!0;e.inflateReset=s,e.inflateReset2=o,e.inflateResetKeep=r,e.inflateInit=h,e.inflateInit2=l,e.inflate=f,e.inflateEnd=_,e.inflateGetHeader=c,e.inflateInfo="pako inflate (from Nodeca project)"},function(t,e){"use strict";var a=30,n=12;t.exports=function(t,e){var 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u(t,e,a,n){var i,r=t.state;return null===r.window&&(r.wsize=1<<r.wbits,r.wnext=0,r.whave=0,r.window=new b.Buf8(r.wsize)),n>=r.wsize?(b.arraySet(r.window,e,a-r.wsize,r.wsize,0),r.wnext=0,r.whave=r.wsize):(i=r.wsize-r.wnext,i>n&&(i=n),b.arraySet(r.window,e,a-n,i,r.wnext),n-=i,n?(b.arraySet(r.window,e,a-n,n,0),r.wnext=n,r.whave=r.wsize):(r.wnext+=i,r.wnext===r.wsize&&(r.wnext=0),r.whave<r.wsize&&(r.whave+=i))),0}function f(t,e){var a,i,r,s,o,l,h,f,_,c,g,w,ct,gt,wt,bt,pt,vt,mt,kt,yt,xt,zt,Bt,Et=0,At=new b.Buf8(4),St=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!t\|\|!t.state\|\|!t.output\|\|!t.input&&0!==t.avail_in)return Z;a=t.state,a.mode===G&&(a.mode=X),o=t.next_out,r=t.output,h=t.avail_out,s=t.next_in,i=t.input,l=t.avail_in,f=a.hold,_=a.bits,c=l,g=h,xt=S;t:for(;;)switch(a.mode){case O:if(0===a.wrap){a.mode=X;break}for(;16>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}if(2&a.wrap&&35615===f){a.check=0,At[0]=255&f,At[1]=f>>>8&255,a.check=v(a.check,At,2,0),f=0,_=0,a.mode=U;break}if(a.flags=0,a.head&&(a.head.done=!1),!(1&a.wrap)\|\|(((255&f)<<8)+(f>>8))%31){t.msg="incorrect header check",a.mode=ut;break}if((15&f)!==N){t.msg="unknown compression method",a.mode=ut;break}if(f>>>=4,_-=4,yt=(15&f)+8,0===a.wbits)a.wbits=yt;else if(yt>a.wbits){t.msg="invalid window size",a.mode=ut;break}a.dmax=1<<yt,t.adler=a.check=1,a.mode=512&f?K:G,f=0,_=0;break;case U:for(;16>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}if(a.flags=f,(255&a.flags)!==N){t.msg="unknown compression method",a.mode=ut;break}if(57344&a.flags){t.msg="unknown header flags set",a.mode=ut;break}a.head&&(a.head.text=f>>8&1),512&a.flags&&(At[0]=255&f,At[1]=f>>>8&255,a.check=v(a.check,At,2,0)),f=0,_=0,a.mode=L;case L:for(;32>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}a.head&&(a.head.time=f),512&a.flags&&(At[0]=255&f,At[1]=f>>>8&255,At[2]=f>>>16&255,At[3]=f>>>24&255,a.check=v(a.check,At,4,0)),f=0,_=0,a.mode=M;case M:for(;16>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}a.head&&(a.head.xflags=255&f,a.head.os=f>>8),512&a.flags&&(At[0]=255&f,At[1]=f>>>8&255,a.check=v(a.check,At,2,0)),f=0,_=0,a.mode=P;case P:if(1024&a.flags){for(;16>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}a.length=f,a.head&&(a.head.extra_len=f),512&a.flags&&(At[0]=255&f,At[1]=f>>>8&255,a.check=v(a.check,At,2,0)),f=0,_=0}else a.head&&(a.head.extra=null);a.mode=H;case H:if(1024&a.flags&&(w=a.length,w>l&&(w=l),w&&(a.head&&(yt=a.head.extra_len-a.length,a.head.extra\|\|(a.head.extra=new Array(a.head.extra_len)),b.arraySet(a.head.extra,i,s,w,yt)),512&a.flags&&(a.check=v(a.check,i,w,s)),l-=w,s+=w,a.length-=w),a.length))break t;a.length=0,a.mode=F;case F:if(2048&a.flags){if(0===l)break t;w=0;do yt=i[s+w++],a.head&&yt&&a.length<65536&&(a.head.name+=String.fromCharCode(yt));while(yt&&l>w);if(512&a.flags&&(a.check=v(a.check,i,w,s)),l-=w,s+=w,yt)break t}else a.head&&(a.head.name=null);a.length=0,a.mode=j;case j:if(4096&a.flags){if(0===l)break t;w=0;do yt=i[s+w++],a.head&&yt&&a.length<65536&&(a.head.comment+=String.fromCharCode(yt));while(yt&&l>w);if(512&a.flags&&(a.check=v(a.check,i,w,s)),l-=w,s+=w,yt)break t}else a.head&&(a.head.comment=null);a.mode=Y;case Y:if(512&a.flags){for(;16>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}if(f!==(65535&a.check)){t.msg="header crc mismatch",a.mode=ut;break}f=0,_=0}a.head&&(a.head.hcrc=a.flags>>9&1,a.head.done=!0),t.adler=a.check=0,a.mode=G;break;case K:for(;32>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}t.adler=a.check=n(f),f=0,_=0,a.mode=W;case W:if(0===a.havedict)return t.next_out=o,t.avail_out=h,t.next_in=s,t.avail_in=l,a.hold=f,a.bits=_,R;t.adler=a.check=1,a.mode=G;case G:if(e===E\|\|e===A)break t;case X:if(a.last){f>>>=7&_,_-=7&_,a.mode=lt;break}for(;3>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}switch(a.last=1&f,f>>>=1,_-=1,3&f){case 0:a.mode=q;break;case 1:if(d(a),a.mode=et,e===A){f>>>=2,_-=2;break t}break;case 2:a.mode=V;break;case 3:t.msg="invalid block type",a.mode=ut}f>>>=2,_-=2;break;case q:for(f>>>=7&_,_-=7&_;32>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}if((65535&f)!==(f>>>16^65535)){t.msg="invalid stored block lengths",a.mode=ut;break}if(a.length=65535&f,f=0,_=0,a.mode=J,e===A)break t;case J:a.mode=Q;case Q:if(w=a.length){if(w>l&&(w=l),w>h&&(w=h),0===w)break t;b.arraySet(r,i,s,w,o),l-=w,s+=w,h-=w,o+=w,a.length-=w;break}a.mode=G;break;case V:for(;14>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}if(a.nlen=(31&f)+257,f>>>=5,_-=5,a.ndist=(31&f)+1,f>>>=5,_-=5,a.ncode=(15&f)+4,f>>>=4,_-=4,a.nlen>286\|\|a.ndist>30){t.msg="too many length or distance symbols",a.mode=ut;break}a.have=0,a.mode=$;case $:for(;a.have<a.ncode;){for(;3>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}a.lens[St[a.have++]]=7&f,f>>>=3,_-=3}for(;a.have<19;)a.lens[St[a.have++]]=0;if(a.lencode=a.lendyn,a.lenbits=7,zt={bits:a.lenbits},xt=k(y,a.lens,0,19,a.lencode,0,a.work,zt),a.lenbits=zt.bits,xt){t.msg="invalid code lengths set",a.mode=ut;break}a.have=0,a.mode=tt;case tt:for(;a.have<a.nlen+a.ndist;){for(;Et=a.lencode[f&(1<<a.lenbits)-1],wt=Et>>>24,bt=Et>>>16&255,pt=65535&Et,!(_>=wt);){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}if(16>pt)f>>>=wt,_-=wt,a.lens[a.have++]=pt;else{if(16===pt){for(Bt=wt+2;Bt>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}if(f>>>=wt,_-=wt,0===a.have){t.msg="invalid bit length repeat",a.mode=ut;break}yt=a.lens[a.have-1],w=3+(3&f),f>>>=2,_-=2}else if(17===pt){for(Bt=wt+3;Bt>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}f>>>=wt,_-=wt,yt=0,w=3+(7&f),f>>>=3,_-=3}else{for(Bt=wt+7;Bt>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}f>>>=wt,_-=wt,yt=0,w=11+(127&f),f>>>=7,_-=7}if(a.have+w>a.nlen+a.ndist){t.msg="invalid bit length repeat",a.mode=ut;break}for(;w--;)a.lens[a.have++]=yt}}if(a.mode===ut)break;if(0===a.lens[256]){t.msg="invalid code -- missing end-of-block",a.mode=ut;break}if(a.lenbits=9,zt={bits:a.lenbits},xt=k(x,a.lens,0,a.nlen,a.lencode,0,a.work,zt),a.lenbits=zt.bits,xt){t.msg="invalid literal/lengths set",a.mode=ut;break}if(a.distbits=6,a.distcode=a.distdyn,zt={bits:a.distbits},xt=k(z,a.lens,a.nlen,a.ndist,a.distcode,0,a.work,zt),a.distbits=zt.bits,xt){t.msg="invalid distances set",a.mode=ut;break}if(a.mode=et,e===A)break t;case et:a.mode=at;case at:if(l>=6&&h>=258){t.next_out=o,t.avail_out=h,t.next_in=s,t.avail_in=l,a.hold=f,a.bits=_,m(t,g),o=t.next_out,r=t.output,h=t.avail_out,s=t.next_in,i=t.input,l=t.avail_in,f=a.hold,_=a.bits,a.mode===G&&(a.back=-1);break}for(a.back=0;Et=a.lencode[f&(1<<a.lenbits)-1],wt=Et>>>24,bt=Et>>>16&255,pt=65535&Et,!(_>=wt);){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}if(bt&&0===(240&bt)){for(vt=wt,mt=bt,kt=pt;Et=a.lencode[kt+((f&(1<<vt+mt)-1)>>vt)],wt=Et>>>24,bt=Et>>>16&255,pt=65535&Et,!(_>=vt+wt);){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}f>>>=vt,_-=vt,a.back+=vt}if(f>>>=wt,_-=wt,a.back+=wt,a.length=pt,0===bt){a.mode=ot;break}if(32&bt){a.back=-1,a.mode=G;break}if(64&bt){t.msg="invalid literal/length code",a.mode=ut;break}a.extra=15&bt,a.mode=nt;case nt:if(a.extra){for(Bt=a.extra;Bt>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}a.length+=f&(1<<a.extra)-1,f>>>=a.extra,_-=a.extra,a.back+=a.extra}a.was=a.length,a.mode=it;case it:for(;Et=a.distcode[f&(1<<a.distbits)-1],wt=Et>>>24,bt=Et>>>16&255,pt=65535&Et,!(_>=wt);){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}if(0===(240&bt)){for(vt=wt,mt=bt,kt=pt;Et=a.distcode[kt+((f&(1<<vt+mt)-1)>>vt)],wt=Et>>>24,bt=Et>>>16&255,pt=65535&Et,!(_>=vt+wt);){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}f>>>=vt,_-=vt,a.back+=vt}if(f>>>=wt,_-=wt,a.back+=wt,64&bt){t.msg="invalid distance code",a.mode=ut;break}a.offset=pt,a.extra=15&bt,a.mode=rt;case rt:if(a.extra){for(Bt=a.extra;Bt>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}a.offset+=f&(1<<a.extra)-1,f>>>=a.extra,_-=a.extra,a.back+=a.extra}if(a.offset>a.dmax){t.msg="invalid distance too far back",a.mode=ut;break}a.mode=st;case st:if(0===h)break t;if(w=g-h,a.offset>w){if(w=a.offset-w,w>a.whave&&a.sane){t.msg="invalid distance too far back",a.mode=ut;break}w>a.wnext?(w-=a.wnext,ct=a.wsize-w):ct=a.wnext-w,w>a.length&&(w=a.length),gt=a.window}else gt=r,ct=o-a.offset,w=a.length;w>h&&(w=h),h-=w,a.length-=w;do r[o++]=gt[ct++];while(--w);0===a.length&&(a.mode=at);break;case ot:if(0===h)break t;r[o++]=a.length,h--,a.mode=at;break;case lt:if(a.wrap){for(;32>_;){if(0===l)break t;l--,f\|=i[s++]<<_,_+=8}if(g-=h,t.total_out+=g,a.total+=g,g&&(t.adler=a.check=a.flags?v(a.check,r,g,o-g):p(a.check,r,g,o-g)),g=h,(a.flags?f:n(f))!==a.check){t.msg="incorrect data check",a.mode=ut;break}f=0,_=0}a.mode=ht;case ht:if(a.wrap&&a.flags){for(;32>_;){if(0===l)break t;l--,f+=i[s++]<<_,_+=8}if(f!==(4294967295&a.total)){t.msg="incorrect length check",a.mode=ut;break}f=0,_=0}a.mode=dt;case dt:xt=C;break t;case ut:xt=I;break t;case ft:return T;case _t:default:return Z}return t.next_out=o,t.avail_out=h,t.next_in=s,t.avail_in=l,a.hold=f,a.bits=_,(a.wsize\|\|g!==t.avail_out&&a.mode<ut&&(a.mode<lt\|\|e!==B))&&u(t,t.output,t.next_out,g-t.avail_out)?(a.mode=ft,T):(c-=t.avail_in,g-=t.avail_out,t.total_in+=c,t.total_out+=g,a.total+=g,a.wrap&&g&&(t.adler=a.check=a.flags?v(a.check,r,g,t.next_out-g):p(a.check,r,g,t.next_out-g)),t.data_type=a.bits+(a.last?64:0)+(a.mode===G?128:0)+(a.mode===et\|\|a.mode===J?256:0),(0===c&&0===g\|\|e===B)&&xt===S&&(xt=D),xt)}function _(t){if(!t\|\|!t.state)return Z;var e=t.state;return e.window&&(e.window=null),t.state=null,S}function c(t,e){var a;return t&&t.state?(a=t.state,0===(2&a.wrap)?Z:(a.head=e,e.done=!1,S)):Z}var g,w,b=a(3),p=a(7),v=a(8),m=a(14),k=a(15),y=0,x=1,z=2,B=4,E=5,A=6,S=0,C=1,R=2,Z=-2,I=-3,T=-4,D=-5,N=8,O=1,U=2,L=3,M=4,P=5,H=6,F=7,j=8,Y=9,K=10,W=11,G=12,X=13,q=14,J=15,Q=16,V=17,$=18,tt=19,et=20,at=21,nt=22,it=23,rt=24,st=25,ot=26,lt=27,ht=28,dt=29,ut=30,ft=31,_t=32,ct=852,gt=592,wt=15,bt=wt,pt=!0;e.inflateReset=s,e.inflateReset2=o,e.inflateResetKeep=r,e.inflateInit=h,e.inflateInit2=l,e.inflate=f,e.inflateEnd=_,e.inflateGetHeader=c,e.inflateInfo="pako inflate (from Nodeca project)"},function(t,e){"use strict";var a=30,n=12;t.exports=function(t,e){var i,r,s,o,l,h,d,u,f,_,c,g,w,b,p,v,m,k,y,x,z,B,E,A,S;i=t.state,r=t.next_in,A=t.input,s=r+(t.avail_in-5),o=t.next_out,S=t.output,l=o-(e-t.avail_out),h=o+(t.avail_out-257),d=i.dmax,u=i.wsize,f=i.whave,_=i.wnext,c=i.window,g=i.hold,w=i.bits,b=i.lencode,p=i.distcode,v=(1<<i.lenbits)-1,m=(1<<i.distbits)-1;t:do{15>w&&(g+=A[r++]<<w,w+=8,g+=A[r++]<<w,w+=8),k=b[g&v];e:for(;;){if(y=k>>>24,g>>>=y,w-=y,y=k>>>16&255,0===y)S[o++]=65535&k;else{if(!(16&y)){if(0===(64&y)){k=b[(65535&k)+(g&(1<<y)-1)];continue e}if(32&y){i.mode=n;break t}t.msg="invalid literal/length code",i.mode=a;break t}x=65535&k,y&=15,y&&(y>w&&(g+=A[r++]<<w,w+=8),x+=g&(1<<y)-1,g>>>=y,w-=y),15>w&&(g+=A[r++]<<w,w+=8,g+=A[r++]<<w,w+=8),k=p[g&m];a:for(;;){if(y=k>>>24,g>>>=y,w-=y,y=k>>>16&255,!(16&y)){if(0===(64&y)){k=p[(65535&k)+(g&(1<<y)-1)];continue a}t.msg="invalid distance code",i.mode=a;break t}if(z=65535&k,y&=15,y>w&&(g+=A[r++]<<w,w+=8,y>w&&(g+=A[r++]<<w,w+=8)),z+=g&(1<<y)-1,z>d){t.msg="invalid distance too far back",i.mode=a;break t}if(g>>>=y,w-=y,y=o-l,z>y){if(y=z-y,y>f&&i.sane){t.msg="invalid distance too far back",i.mode=a;break t}if(B=0,E=c,0===_){if(B+=u-y,x>y){x-=y;do S[o++]=c[B++];while(--y);B=o-z,E=S}}else if(y>_){if(B+=u+_-y,y-=_,x>y){x-=y;do S[o++]=c[B++];while(--y);if(B=0,x>_){y=_,x-=y;do S[o++]=c[B++];while(--y);B=o-z,E=S}}}else if(B+=_-y,x>y){x-=y;do S[o++]=c[B++];while(--y);B=o-z,E=S}for(;x>2;)S[o++]=E[B++],S[o++]=E[B++],S[o++]=E[B++],x-=3;x&&(S[o++]=E[B++],x>1&&(S[o++]=E[B++]))}else{B=o-z;do S[o++]=S[B++],S[o++]=S[B++],S[o++]=S[B++],x-=3;while(x>2);x&&(S[o++]=S[B++],x>1&&(S[o++]=S[B++]))}break}}break}}while(s>r&&h>o);x=w>>3,r-=x,w-=x<<3,g&=(1<<w)-1,t.next_in=r,t.next_out=o,t.avail_in=s>r?5+(s-r):5-(r-s),t.avail_out=h>o?257+(h-o):257-(o-h),i.hold=g,i.bits=w}},function(t,e,a){"use strict";var n=a(3),i=15,r=852,s=592,o=0,l=1,h=2,d=[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],u=[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],f=[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],_=[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,a,c,g,w,b,p){var v,m,k,y,x,z,B,E,A,S=p.bits,C=0,R=0,Z=0,I=0,T=0,D=0,N=0,O=0,U=0,L=0,M=null,P=0,H=new n.Buf16(i+1),F=new n.Buf16(i+1),j=null,Y=0;for(C=0;i>=C;C++)H[C]=0;for(R=0;c>R;R++)H[e[a+R]]++;for(T=S,I=i;I>=1&&0===H[I];I--);if(T>I&&(T=I),0===I)return g[w++]=20971520,g[w++]=20971520,p.bits=1,0;for(Z=1;I>Z&&0===H[Z];Z++);for(Z>T&&(T=Z),O=1,C=1;i>=C;C++)if(O<<=1,O-=H[C],0>O)return-1;if(O>0&&(t===o\|\|1!==I))return-1;for(F[1]=0,C=1;i>C;C++)F[C+1]=F[C]+H[C];for(R=0;c>R;R++)0!==e[a+R]&&(b[F[e[a+R]]++]=R);if(t===o?(M=j=b,z=19):t===l?(M=d,P-=257,j=u,Y-=257,z=256):(M=f,j=_,z=-1),L=0,R=0,C=Z,x=w,D=T,N=0,k=-1,U=1<<T,y=U-1,t===l&&U>r\|\|t===h&&U>s)return 1;for(var K=0;;){K++,B=C-N,b[R]<z?(E=0,A=b[R]):b[R]>z?(E=j[Y+b[R]],A=M[P+b[R]]):(E=96,A=0),v=1<<C-N,m=1<<D,Z=m;do m-=v,g[x+(L>>N)+m]=B<<24\|E<<16\|A\|0;while(0!==m);for(v=1<<C-1;L&v;)v>>=1;if(0!==v?(L&=v-1,L+=v):L=0,R++,0===--H[C]){if(C===I)break;C=e[a+b[R]]}if(C>T&&(L&y)!==k){for(0===N&&(N=T),x+=Z,D=C-N,O=1<<D;I>D+N&&(O-=H[D+N],!(0>=O));)D++,O<<=1;if(U+=1<<D,t===l&&U>r\|\|t===h&&U>s)return 1;k=L&y,g[k]=T<<24\|D<<16\|x-w\|0}}return 0!==L&&(g[x+L]=C-N<<24\|64<<16\|0),p.bits=T,0}},function(t,e){t.exports={Z_NO_FLUSH:0,Z_PARTIAL_FLUSH:1,Z_SYNC_FLUSH:2,Z_FULL_FLUSH:3,Z_FINISH:4,Z_BLOCK:5,Z_TREES:6,Z_OK:0,Z_STREAM_END:1,Z_NEED_DICT:2,Z_ERRNO:-1,Z_STREAM_ERROR:-2,Z_DATA_ERROR:-3,Z_BUF_ERROR:-5,Z_NO_COMPRESSION:0,Z_BEST_SPEED:1,Z_BEST_COMPRESSION:9,Z_DEFAULT_COMPRESSION:-1,Z_FILTERED:1,Z_HUFFMAN_ONLY:2,Z_RLE:3,Z_FIXED:4,Z_DEFAULT_STRATEGY:0,Z_BINARY:0,Z_TEXT:1,Z_UNKNOWN:2,Z_DEFLATED:8}},function(t,e){"use strict";function a(){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}t.exports=a},function(t,e,a){"use strict";function n(t,e,a){var n=t+e-a,i=Math.abs(n-t),r=Math.abs(n-e),s=Math.abs(n-a);return r>=i&&s>=i?t:s>=r?e:a}function i(t,e,a,n,i){g.PngWriter.copy(t,n,i,a,e)}function r(t,e,a){for(var n=0,i=e+a,r=e;i>r;r++)n+=Math.abs(t[r]);return n}function s(t,e,a,n,i,r){for(var s=0;a>s;s++){var o=s>=r?t[e+s-r]:0;n[i+s]=t[e+s]-o}}function 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c=w[h];s[o]=c.type,c.filter(n,l,r,s,o+1,i),o+=r+1,l+=r}return s}Object.defineProperty(e,"__esModule",{value:!0}),e.filter=c;var g=a(1),w=[{filter:i,sum:r,type:0},{filter:s,sum:o,type:1},{filter:l,sum:h,type:2},{filter:d,sum:u,type:3},{filter:f,sum:_,type:4}]},function(t,e){"use strict";function a(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var n=function(){function t(t,e){for(var a=0;a<e.length;a++){var n=e[a];n.enumerable=n.enumerable\|\|!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,a,n){return a&&t(e.prototype,a),n&&t(e,n),e}}(),i=function(){function t(){a(this,t)}return n(t,[{key:"bytesToBase64",value:function(t,e){for(var a="",n=0;n<e.byteLength;n++)a+=String.fromCharCode(e[n]);return t+btoa(a)}}]),t}();e.Base64Writer=i}]);

package.json

		{
		"name": "canvas-png-compression",
		"version": "0.0.2",
		"version": "0.0.3",
		"description": "Shim for HTMLCanvasElement.toDataURL() to include compression for png image format.",
		@@ -5,0 +5,0 @@ "main": "dist/bundle.js",

src/Filter.ts

		@@ -278,3 +278,2 @@ 'use strict';
		var filter = FILTER_TYPES[filterType];
		console.log(filterType);
		filtered[filterTypePos] = filter.type;//we need to write one additional byte with filter value each in row at the beginning
		@@ -281,0 +280,0 @@ filter.filter(data, fromPos, byteWidth, filtered, filterTypePos + 1, bpp);

built/Filter.js.map

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