github.com/unidoc/unipdf/v3@v3.55.0/internal/ccittfax/ccittfax.go

//
// Copyright 2020 FoxyUtils ehf. All rights reserved.
//
// This is a commercial product and requires a license to operate.
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//
// DO NOT EDIT: generated by unitwist Go source code obfuscator.
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package ccittfax ;import (_c "errors";_fa "github.com/unidoc/unipdf/v3/internal/bitwise";_b "io";_g "math";);func (_baec *Decoder )fetch ()error {if _baec ._ecf ==-1{return nil ;};if _baec ._bb < _baec ._ecf {return nil ;};_baec ._ecf =0;_ce :=_baec .decodeRow ();
if _ce !=nil {if !_c .Is (_ce ,_b .EOF ){return _ce ;};if _baec ._ecf !=0{return _ce ;};_baec ._ecf =-1;};_baec ._bb =0;return nil ;};func init (){_d =&treeNode {_cdgg :true ,_efe :_ge };_a =&treeNode {_efe :_df ,_ccdfb :_d };_a ._dcecg =_a ;_e =&tree {_adcga :&treeNode {}};
if _dcg :=_e .fillWithNode (12,0,_a );_dcg !=nil {panic (_dcg .Error ());};if _ba :=_e .fillWithNode (12,1,_d );_ba !=nil {panic (_ba .Error ());};_fd =&tree {_adcga :&treeNode {}};for _ae :=0;_ae < len (_ff );_ae ++{for _fb :=0;_fb < len (_ff [_ae ]);
_fb ++{if _bcc :=_fd .fill (_ae +2,int (_ff [_ae ][_fb ]),int (_egd [_ae ][_fb ]));_bcc !=nil {panic (_bcc .Error ());};};};if _ef :=_fd .fillWithNode (12,0,_a );_ef !=nil {panic (_ef .Error ());};if _fc :=_fd .fillWithNode (12,1,_d );_fc !=nil {panic (_fc .Error ());
};_bc =&tree {_adcga :&treeNode {}};for _ab :=0;_ab < len (_ggb );_ab ++{for _ag :=0;_ag < len (_ggb [_ab ]);_ag ++{if _cc :=_bc .fill (_ab +4,int (_ggb [_ab ][_ag ]),int (_aa [_ab ][_ag ]));_cc !=nil {panic (_cc .Error ());};};};if _fda :=_bc .fillWithNode (12,0,_a );
_fda !=nil {panic (_fda .Error ());};if _fab :=_bc .fillWithNode (12,1,_d );_fab !=nil {panic (_fab .Error ());};_dc =&tree {_adcga :&treeNode {}};if _gg :=_dc .fill (4,1,_dce );_gg !=nil {panic (_gg .Error ());};if _eg :=_dc .fill (3,1,_fdd );_eg !=nil {panic (_eg .Error ());
};if _agf :=_dc .fill (1,1,0);_agf !=nil {panic (_agf .Error ());};if _cg :=_dc .fill (3,3,1);_cg !=nil {panic (_cg .Error ());};if _gd :=_dc .fill (6,3,2);_gd !=nil {panic (_gd .Error ());};if _bd :=_dc .fill (7,3,3);_bd !=nil {panic (_bd .Error ());};
if _geg :=_dc .fill (3,2,-1);_geg !=nil {panic (_geg .Error ());};if _af :=_dc .fill (6,2,-2);_af !=nil {panic (_af .Error ());};if _cb :=_dc .fill (7,2,-3);_cb !=nil {panic (_cb .Error ());};};func _fbc (_ccga []byte ,_eab int )int {if _eab >=len (_ccga ){return _eab ;
};if _eab < -1{_eab =-1;};var _eeba byte ;if _eab > -1{_eeba =_ccga [_eab ];}else {_eeba =_gbaf ;};_dgd :=_eab +1;for _dgd < len (_ccga ){if _ccga [_dgd ]!=_eeba {break ;};_dgd ++;};return _dgd ;};func _fdc (_gcaa ,_cbcg []byte ,_ace int ,_adcg bool )int {_dfg :=_fbc (_cbcg ,_ace );
if _dfg < len (_cbcg )&&(_ace ==-1&&_cbcg [_dfg ]==_gbaf ||_ace >=0&&_ace < len (_gcaa )&&_gcaa [_ace ]==_cbcg [_dfg ]||_ace >=len (_gcaa )&&_adcg &&_cbcg [_dfg ]==_gbaf ||_ace >=len (_gcaa )&&!_adcg &&_cbcg [_dfg ]==_geadg ){_dfg =_fbc (_cbcg ,_dfg );
};return _dfg ;};func (_ed *Decoder )decodeRow ()(_dab error ){if !_ed ._fe &&_ed ._gba > 0&&_ed ._gba ==_ed ._gde {return _b .EOF ;};switch _ed ._fcdd {case _ccf :_dab =_ed .decodeRowType2 ();case _ec :_dab =_ed .decodeRowType4 ();case _gcf :_dab =_ed .decodeRowType6 ();
};if _dab !=nil {return _dab ;};_dffa :=0;_eba :=true ;_ed ._db =0;for _dcb :=0;_dcb < _ed ._bae ;_dcb ++{_cgc :=_ed ._dcd ;if _dcb !=_ed ._bae {_cgc =_ed ._gbd [_dcb ];};if _cgc > _ed ._dcd {_cgc =_ed ._dcd ;};_fgg :=_dffa /8;for _dffa %8!=0&&_cgc -_dffa > 0{var _bbf byte ;
if !_eba {_bbf =1<<uint (7-(_dffa %8));};_ed ._gbb [_fgg ]|=_bbf ;_dffa ++;};if _dffa %8==0{_fgg =_dffa /8;var _fagf byte ;if !_eba {_fagf =0xff;};for _cgc -_dffa > 7{_ed ._gbb [_fgg ]=_fagf ;_dffa +=8;_fgg ++;};};for _cgc -_dffa > 0{if _dffa %8==0{_ed ._gbb [_fgg ]=0;
};var _beg byte ;if !_eba {_beg =1<<uint (7-(_dffa %8));};_ed ._gbb [_fgg ]|=_beg ;_dffa ++;};_eba =!_eba ;};if _dffa !=_ed ._dcd {return _c .New ("\u0073\u0075\u006d\u0020\u006f\u0066 \u0072\u0075\u006e\u002d\u006c\u0065\u006e\u0067\u0074\u0068\u0073\u0020\u0064\u006f\u0065\u0073\u0020\u006e\u006f\u0074 \u0065\u0071\u0075\u0061\u006c\u0020\u0073\u0063\u0061\u006e\u0020\u006c\u0069\u006ee\u0020w\u0069\u0064\u0074\u0068");
};_ed ._ecf =(_dffa +7)/8;_ed ._gde ++;return nil ;};func _abfb (_cdd []byte ,_bgad ,_afc ,_bdaa int )([]byte ,int ){_ccgg :=_bdfg (_afc ,_bdaa );_cdd ,_bgad =_bdd (_cdd ,_bgad ,_ccgg );return _cdd ,_bgad ;};func (_bgaa *Encoder )appendEncodedRow (_gaa ,_ggab []byte ,_cdca int )[]byte {if len (_gaa )> 0&&_cdca !=0&&!_bgaa .EncodedByteAlign {_gaa [len (_gaa )-1]=_gaa [len (_gaa )-1]|_ggab [0];
_gaa =append (_gaa ,_ggab [1:]...);}else {_gaa =append (_gaa ,_ggab ...);};return _gaa ;};func (_acg *Decoder )getNextChangingElement (_abf int ,_ccdf bool )int {_geb :=0;if !_ccdf {_geb =1;};_gca :=int (uint32 (_acg ._db )&0xFFFFFFFE)+_geb ;if _gca > 2{_gca -=2;
};if _abf ==0{return _gca ;};for _cgde :=_gca ;_cgde < _acg ._gdc ;_cgde +=2{if _abf < _acg ._feb [_cgde ]{_acg ._db =_cgde ;return _cgde ;};};return -1;};func init (){_gc =make (map[int ]code );_gc [0]=code {Code :13<<8|3<<6,BitsWritten :10};_gc [1]=code {Code :2<<(5+8),BitsWritten :3};
_gc [2]=code {Code :3<<(6+8),BitsWritten :2};_gc [3]=code {Code :2<<(6+8),BitsWritten :2};_gc [4]=code {Code :3<<(5+8),BitsWritten :3};_gc [5]=code {Code :3<<(4+8),BitsWritten :4};_gc [6]=code {Code :2<<(4+8),BitsWritten :4};_gc [7]=code {Code :3<<(3+8),BitsWritten :5};
_gc [8]=code {Code :5<<(2+8),BitsWritten :6};_gc [9]=code {Code :4<<(2+8),BitsWritten :6};_gc [10]=code {Code :4<<(1+8),BitsWritten :7};_gc [11]=code {Code :5<<(1+8),BitsWritten :7};_gc [12]=code {Code :7<<(1+8),BitsWritten :7};_gc [13]=code {Code :4<<8,BitsWritten :8};
_gc [14]=code {Code :7<<8,BitsWritten :8};_gc [15]=code {Code :12<<8,BitsWritten :9};_gc [16]=code {Code :5<<8|3<<6,BitsWritten :10};_gc [17]=code {Code :6<<8,BitsWritten :10};_gc [18]=code {Code :2<<8,BitsWritten :10};_gc [19]=code {Code :12<<8|7<<5,BitsWritten :11};
_gc [20]=code {Code :13<<8,BitsWritten :11};_gc [21]=code {Code :13<<8|4<<5,BitsWritten :11};_gc [22]=code {Code :6<<8|7<<5,BitsWritten :11};_gc [23]=code {Code :5<<8,BitsWritten :11};_gc [24]=code {Code :2<<8|7<<5,BitsWritten :11};_gc [25]=code {Code :3<<8,BitsWritten :11};
_gc [26]=code {Code :12<<8|10<<4,BitsWritten :12};_gc [27]=code {Code :12<<8|11<<4,BitsWritten :12};_gc [28]=code {Code :12<<8|12<<4,BitsWritten :12};_gc [29]=code {Code :12<<8|13<<4,BitsWritten :12};_gc [30]=code {Code :6<<8|8<<4,BitsWritten :12};_gc [31]=code {Code :6<<8|9<<4,BitsWritten :12};
_gc [32]=code {Code :6<<8|10<<4,BitsWritten :12};_gc [33]=code {Code :6<<8|11<<4,BitsWritten :12};_gc [34]=code {Code :13<<8|2<<4,BitsWritten :12};_gc [35]=code {Code :13<<8|3<<4,BitsWritten :12};_gc [36]=code {Code :13<<8|4<<4,BitsWritten :12};_gc [37]=code {Code :13<<8|5<<4,BitsWritten :12};
_gc [38]=code {Code :13<<8|6<<4,BitsWritten :12};_gc [39]=code {Code :13<<8|7<<4,BitsWritten :12};_gc [40]=code {Code :6<<8|12<<4,BitsWritten :12};_gc [41]=code {Code :6<<8|13<<4,BitsWritten :12};_gc [42]=code {Code :13<<8|10<<4,BitsWritten :12};_gc [43]=code {Code :13<<8|11<<4,BitsWritten :12};
_gc [44]=code {Code :5<<8|4<<4,BitsWritten :12};_gc [45]=code {Code :5<<8|5<<4,BitsWritten :12};_gc [46]=code {Code :5<<8|6<<4,BitsWritten :12};_gc [47]=code {Code :5<<8|7<<4,BitsWritten :12};_gc [48]=code {Code :6<<8|4<<4,BitsWritten :12};_gc [49]=code {Code :6<<8|5<<4,BitsWritten :12};
_gc [50]=code {Code :5<<8|2<<4,BitsWritten :12};_gc [51]=code {Code :5<<8|3<<4,BitsWritten :12};_gc [52]=code {Code :2<<8|4<<4,BitsWritten :12};_gc [53]=code {Code :3<<8|7<<4,BitsWritten :12};_gc [54]=code {Code :3<<8|8<<4,BitsWritten :12};_gc [55]=code {Code :2<<8|7<<4,BitsWritten :12};
_gc [56]=code {Code :2<<8|8<<4,BitsWritten :12};_gc [57]=code {Code :5<<8|8<<4,BitsWritten :12};_gc [58]=code {Code :5<<8|9<<4,BitsWritten :12};_gc [59]=code {Code :2<<8|11<<4,BitsWritten :12};_gc [60]=code {Code :2<<8|12<<4,BitsWritten :12};_gc [61]=code {Code :5<<8|10<<4,BitsWritten :12};
_gc [62]=code {Code :6<<8|6<<4,BitsWritten :12};_gc [63]=code {Code :6<<8|7<<4,BitsWritten :12};_gegg =make (map[int ]code );_gegg [0]=code {Code :53<<8,BitsWritten :8};_gegg [1]=code {Code :7<<(2+8),BitsWritten :6};_gegg [2]=code {Code :7<<(4+8),BitsWritten :4};
_gegg [3]=code {Code :8<<(4+8),BitsWritten :4};_gegg [4]=code {Code :11<<(4+8),BitsWritten :4};_gegg [5]=code {Code :12<<(4+8),BitsWritten :4};_gegg [6]=code {Code :14<<(4+8),BitsWritten :4};_gegg [7]=code {Code :15<<(4+8),BitsWritten :4};_gegg [8]=code {Code :19<<(3+8),BitsWritten :5};
_gegg [9]=code {Code :20<<(3+8),BitsWritten :5};_gegg [10]=code {Code :7<<(3+8),BitsWritten :5};_gegg [11]=code {Code :8<<(3+8),BitsWritten :5};_gegg [12]=code {Code :8<<(2+8),BitsWritten :6};_gegg [13]=code {Code :3<<(2+8),BitsWritten :6};_gegg [14]=code {Code :52<<(2+8),BitsWritten :6};
_gegg [15]=code {Code :53<<(2+8),BitsWritten :6};_gegg [16]=code {Code :42<<(2+8),BitsWritten :6};_gegg [17]=code {Code :43<<(2+8),BitsWritten :6};_gegg [18]=code {Code :39<<(1+8),BitsWritten :7};_gegg [19]=code {Code :12<<(1+8),BitsWritten :7};_gegg [20]=code {Code :8<<(1+8),BitsWritten :7};
_gegg [21]=code {Code :23<<(1+8),BitsWritten :7};_gegg [22]=code {Code :3<<(1+8),BitsWritten :7};_gegg [23]=code {Code :4<<(1+8),BitsWritten :7};_gegg [24]=code {Code :40<<(1+8),BitsWritten :7};_gegg [25]=code {Code :43<<(1+8),BitsWritten :7};_gegg [26]=code {Code :19<<(1+8),BitsWritten :7};
_gegg [27]=code {Code :36<<(1+8),BitsWritten :7};_gegg [28]=code {Code :24<<(1+8),BitsWritten :7};_gegg [29]=code {Code :2<<8,BitsWritten :8};_gegg [30]=code {Code :3<<8,BitsWritten :8};_gegg [31]=code {Code :26<<8,BitsWritten :8};_gegg [32]=code {Code :27<<8,BitsWritten :8};
_gegg [33]=code {Code :18<<8,BitsWritten :8};_gegg [34]=code {Code :19<<8,BitsWritten :8};_gegg [35]=code {Code :20<<8,BitsWritten :8};_gegg [36]=code {Code :21<<8,BitsWritten :8};_gegg [37]=code {Code :22<<8,BitsWritten :8};_gegg [38]=code {Code :23<<8,BitsWritten :8};
_gegg [39]=code {Code :40<<8,BitsWritten :8};_gegg [40]=code {Code :41<<8,BitsWritten :8};_gegg [41]=code {Code :42<<8,BitsWritten :8};_gegg [42]=code {Code :43<<8,BitsWritten :8};_gegg [43]=code {Code :44<<8,BitsWritten :8};_gegg [44]=code {Code :45<<8,BitsWritten :8};
_gegg [45]=code {Code :4<<8,BitsWritten :8};_gegg [46]=code {Code :5<<8,BitsWritten :8};_gegg [47]=code {Code :10<<8,BitsWritten :8};_gegg [48]=code {Code :11<<8,BitsWritten :8};_gegg [49]=code {Code :82<<8,BitsWritten :8};_gegg [50]=code {Code :83<<8,BitsWritten :8};
_gegg [51]=code {Code :84<<8,BitsWritten :8};_gegg [52]=code {Code :85<<8,BitsWritten :8};_gegg [53]=code {Code :36<<8,BitsWritten :8};_gegg [54]=code {Code :37<<8,BitsWritten :8};_gegg [55]=code {Code :88<<8,BitsWritten :8};_gegg [56]=code {Code :89<<8,BitsWritten :8};
_gegg [57]=code {Code :90<<8,BitsWritten :8};_gegg [58]=code {Code :91<<8,BitsWritten :8};_gegg [59]=code {Code :74<<8,BitsWritten :8};_gegg [60]=code {Code :75<<8,BitsWritten :8};_gegg [61]=code {Code :50<<8,BitsWritten :8};_gegg [62]=code {Code :51<<8,BitsWritten :8};
_gegg [63]=code {Code :52<<8,BitsWritten :8};_gdf =make (map[int ]code );_gdf [64]=code {Code :3<<8|3<<6,BitsWritten :10};_gdf [128]=code {Code :12<<8|8<<4,BitsWritten :12};_gdf [192]=code {Code :12<<8|9<<4,BitsWritten :12};_gdf [256]=code {Code :5<<8|11<<4,BitsWritten :12};
_gdf [320]=code {Code :3<<8|3<<4,BitsWritten :12};_gdf [384]=code {Code :3<<8|4<<4,BitsWritten :12};_gdf [448]=code {Code :3<<8|5<<4,BitsWritten :12};_gdf [512]=code {Code :3<<8|12<<3,BitsWritten :13};_gdf [576]=code {Code :3<<8|13<<3,BitsWritten :13};
_gdf [640]=code {Code :2<<8|10<<3,BitsWritten :13};_gdf [704]=code {Code :2<<8|11<<3,BitsWritten :13};_gdf [768]=code {Code :2<<8|12<<3,BitsWritten :13};_gdf [832]=code {Code :2<<8|13<<3,BitsWritten :13};_gdf [896]=code {Code :3<<8|18<<3,BitsWritten :13};
_gdf [960]=code {Code :3<<8|19<<3,BitsWritten :13};_gdf [1024]=code {Code :3<<8|20<<3,BitsWritten :13};_gdf [1088]=code {Code :3<<8|21<<3,BitsWritten :13};_gdf [1152]=code {Code :3<<8|22<<3,BitsWritten :13};_gdf [1216]=code {Code :119<<3,BitsWritten :13};
_gdf [1280]=code {Code :2<<8|18<<3,BitsWritten :13};_gdf [1344]=code {Code :2<<8|19<<3,BitsWritten :13};_gdf [1408]=code {Code :2<<8|20<<3,BitsWritten :13};_gdf [1472]=code {Code :2<<8|21<<3,BitsWritten :13};_gdf [1536]=code {Code :2<<8|26<<3,BitsWritten :13};
_gdf [1600]=code {Code :2<<8|27<<3,BitsWritten :13};_gdf [1664]=code {Code :3<<8|4<<3,BitsWritten :13};_gdf [1728]=code {Code :3<<8|5<<3,BitsWritten :13};_cf =make (map[int ]code );_cf [64]=code {Code :27<<(3+8),BitsWritten :5};_cf [128]=code {Code :18<<(3+8),BitsWritten :5};
_cf [192]=code {Code :23<<(2+8),BitsWritten :6};_cf [256]=code {Code :55<<(1+8),BitsWritten :7};_cf [320]=code {Code :54<<8,BitsWritten :8};_cf [384]=code {Code :55<<8,BitsWritten :8};_cf [448]=code {Code :100<<8,BitsWritten :8};_cf [512]=code {Code :101<<8,BitsWritten :8};
_cf [576]=code {Code :104<<8,BitsWritten :8};_cf [640]=code {Code :103<<8,BitsWritten :8};_cf [704]=code {Code :102<<8,BitsWritten :9};_cf [768]=code {Code :102<<8|1<<7,BitsWritten :9};_cf [832]=code {Code :105<<8,BitsWritten :9};_cf [896]=code {Code :105<<8|1<<7,BitsWritten :9};
_cf [960]=code {Code :106<<8,BitsWritten :9};_cf [1024]=code {Code :106<<8|1<<7,BitsWritten :9};_cf [1088]=code {Code :107<<8,BitsWritten :9};_cf [1152]=code {Code :107<<8|1<<7,BitsWritten :9};_cf [1216]=code {Code :108<<8,BitsWritten :9};_cf [1280]=code {Code :108<<8|1<<7,BitsWritten :9};
_cf [1344]=code {Code :109<<8,BitsWritten :9};_cf [1408]=code {Code :109<<8|1<<7,BitsWritten :9};_cf [1472]=code {Code :76<<8,BitsWritten :9};_cf [1536]=code {Code :76<<8|1<<7,BitsWritten :9};_cf [1600]=code {Code :77<<8,BitsWritten :9};_cf [1664]=code {Code :24<<(2+8),BitsWritten :6};
_cf [1728]=code {Code :77<<8|1<<7,BitsWritten :9};_bcb =make (map[int ]code );_bcb [1792]=code {Code :1<<8,BitsWritten :11};_bcb [1856]=code {Code :1<<8|4<<5,BitsWritten :11};_bcb [1920]=code {Code :1<<8|5<<5,BitsWritten :11};_bcb [1984]=code {Code :1<<8|2<<4,BitsWritten :12};
_bcb [2048]=code {Code :1<<8|3<<4,BitsWritten :12};_bcb [2112]=code {Code :1<<8|4<<4,BitsWritten :12};_bcb [2176]=code {Code :1<<8|5<<4,BitsWritten :12};_bcb [2240]=code {Code :1<<8|6<<4,BitsWritten :12};_bcb [2304]=code {Code :1<<8|7<<4,BitsWritten :12};
_bcb [2368]=code {Code :1<<8|12<<4,BitsWritten :12};_bcb [2432]=code {Code :1<<8|13<<4,BitsWritten :12};_bcb [2496]=code {Code :1<<8|14<<4,BitsWritten :12};_bcb [2560]=code {Code :1<<8|15<<4,BitsWritten :12};_gb =make (map[int ]byte );_gb [0]=0xFF;_gb [1]=0xFE;
_gb [2]=0xFC;_gb [3]=0xF8;_gb [4]=0xF0;_gb [5]=0xE0;_gb [6]=0xC0;_gb [7]=0x80;_gb [8]=0x00;};func (_begd *Decoder )looseFetchEOL ()(bool ,error ){_faae ,_cfea :=_begd ._be .ReadBits (12);if _cfea !=nil {return false ,_cfea ;};switch _faae {case 0x1:return true ,nil ;
case 0x0:for {_dae ,_cab :=_begd ._be .ReadBool ();if _cab !=nil {return false ,_cab ;};if _dae {return true ,nil ;};};default:return false ,nil ;};};const (_ tiffType =iota ;_ccf ;_ec ;_gcf ;);type code struct{Code uint16 ;BitsWritten int ;};var _egd =[...][]uint16 {{3,2},{1,4},{6,5},{7},{9,8},{10,11,12},{13,14},{15},{16,17,0,18,64},{24,25,23,22,19,20,21,1792,1856,1920},{1984,2048,2112,2176,2240,2304,2368,2432,2496,2560,52,55,56,59,60,320,384,448,53,54,50,51,44,45,46,47,57,58,61,256,48,49,62,63,30,31,32,33,40,41,128,192,26,27,28,29,34,35,36,37,38,39,42,43},{640,704,768,832,1280,1344,1408,1472,1536,1600,1664,1728,512,576,896,960,1024,1088,1152,1216}};
func (_ecba *Decoder )decode2D ()error {_ecba ._gdc =_ecba ._bae ;_ecba ._gbd ,_ecba ._feb =_ecba ._feb ,_ecba ._gbd ;_dffad :=true ;var (_cfag bool ;_cgca int ;_bef error ;);_ecba ._bae =0;_cca :for _cgca < _ecba ._dcd {_cbb :=_dc ._adcga ;for {_cfag ,_bef =_ecba ._be .ReadBool ();
if _bef !=nil {return _bef ;};_cbb =_cbb .walk (_cfag );if _cbb ==nil {continue _cca ;};if !_cbb ._cdgg {continue ;};switch _cbb ._efe {case _fdd :var _eef int ;if _dffad {_eef ,_bef =_ecba .decodeRun (_bc );}else {_eef ,_bef =_ecba .decodeRun (_fd );};
if _bef !=nil {return _bef ;};_cgca +=_eef ;_ecba ._gbd [_ecba ._bae ]=_cgca ;_ecba ._bae ++;if _dffad {_eef ,_bef =_ecba .decodeRun (_fd );}else {_eef ,_bef =_ecba .decodeRun (_bc );};if _bef !=nil {return _bef ;};_cgca +=_eef ;_ecba ._gbd [_ecba ._bae ]=_cgca ;
_ecba ._bae ++;case _dce :_ebf :=_ecba .getNextChangingElement (_cgca ,_dffad )+1;if _ebf >=_ecba ._gdc {_cgca =_ecba ._dcd ;}else {_cgca =_ecba ._feb [_ebf ];};default:_bfgg :=_ecba .getNextChangingElement (_cgca ,_dffad );if _bfgg >=_ecba ._gdc ||_bfgg ==-1{_cgca =_ecba ._dcd +_cbb ._efe ;
}else {_cgca =_ecba ._feb [_bfgg ]+_cbb ._efe ;};_ecba ._gbd [_ecba ._bae ]=_cgca ;_ecba ._bae ++;_dffad =!_dffad ;};continue _cca ;};};return nil ;};func (_gfd *Decoder )decodeG32D ()error {_gfd ._gdc =_gfd ._bae ;_gfd ._gbd ,_gfd ._feb =_gfd ._feb ,_gfd ._gbd ;
_ecb :=true ;var (_ceb bool ;_bec int ;_cfe error ;);_gfd ._bae =0;_ggbg :for _bec < _gfd ._dcd {_eea :=_dc ._adcga ;for {_ceb ,_cfe =_gfd ._be .ReadBool ();if _cfe !=nil {return _cfe ;};_eea =_eea .walk (_ceb );if _eea ==nil {continue _ggbg ;};if !_eea ._cdgg {continue ;
};switch _eea ._efe {case _fdd :var _fbd int ;if _ecb {_fbd ,_cfe =_gfd .decodeRun (_bc );}else {_fbd ,_cfe =_gfd .decodeRun (_fd );};if _cfe !=nil {return _cfe ;};_bec +=_fbd ;_gfd ._gbd [_gfd ._bae ]=_bec ;_gfd ._bae ++;if _ecb {_fbd ,_cfe =_gfd .decodeRun (_fd );
}else {_fbd ,_cfe =_gfd .decodeRun (_bc );};if _cfe !=nil {return _cfe ;};_bec +=_fbd ;_gfd ._gbd [_gfd ._bae ]=_bec ;_gfd ._bae ++;case _dce :_bafg :=_gfd .getNextChangingElement (_bec ,_ecb )+1;if _bafg >=_gfd ._gdc {_bec =_gfd ._dcd ;}else {_bec =_gfd ._feb [_bafg ];
};default:_gec :=_gfd .getNextChangingElement (_bec ,_ecb );if _gec >=_gfd ._gdc ||_gec ==-1{_bec =_gfd ._dcd +_eea ._efe ;}else {_bec =_gfd ._feb [_gec ]+_eea ._efe ;};_gfd ._gbd [_gfd ._bae ]=_bec ;_gfd ._bae ++;_ecb =!_ecb ;};continue _ggbg ;};};return nil ;
};func _cgf (_bddc [][]byte )[][]byte {_aged :=make ([]byte ,len (_bddc [0]));for _dge :=range _aged {_aged [_dge ]=_gbaf ;};_bddc =append (_bddc ,[]byte {});for _eae :=len (_bddc )-1;_eae > 0;_eae --{_bddc [_eae ]=_bddc [_eae -1];};_bddc [0]=_aged ;return _bddc ;
};var _aa =[...][]uint16 {{2,3,4,5,6,7},{128,8,9,64,10,11},{192,1664,16,17,13,14,15,1,12},{26,21,28,27,18,24,25,22,256,23,20,19},{33,34,35,36,37,38,31,32,29,53,54,39,40,41,42,43,44,30,61,62,63,0,320,384,45,59,60,46,49,50,51,52,55,56,57,58,448,512,640,576,47,48},{1472,1536,1600,1728,704,768,832,896,960,1024,1088,1152,1216,1280,1344,1408},{},{1792,1856,1920},{1984,2048,2112,2176,2240,2304,2368,2432,2496,2560}};
type Decoder struct{_dcd int ;_gba int ;_gde int ;_gbb []byte ;_fbb int ;_gbf bool ;_da bool ;_ga bool ;_fcd bool ;_gdg bool ;_fe bool ;_efgc bool ;_ecf int ;_bb int ;_feb []int ;_gbd []int ;_gdc int ;_bae int ;_dd int ;_db int ;_be *_fa .Reader ;_fcdd tiffType ;
_gfg error ;};var (_eb =_c .New ("\u0063\u0063\u0069\u0074tf\u0061\u0078\u0020\u0063\u006f\u0072\u0072\u0075\u0070\u0074\u0065\u0064\u0020\u0052T\u0043");_bde =_c .New ("\u0063\u0063\u0069\u0074tf\u0061\u0078\u0020\u0045\u004f\u004c\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");
);func (_bfg *Decoder )decoderRowType41D ()error {if _bfg ._efgc {_bfg ._be .Align ();};_bfg ._be .Mark ();var (_ega bool ;_dbb error ;);if _bfg ._gdg {_ega ,_dbb =_bfg .tryFetchEOL ();if _dbb !=nil {return _dbb ;};if !_ega {return _bde ;};}else {_ega ,_dbb =_bfg .looseFetchEOL ();
if _dbb !=nil {return _dbb ;};};if !_ega {_bfg ._be .Reset ();};if _ega &&_bfg ._fe {_bfg ._be .Mark ();for _aee :=0;_aee < 5;_aee ++{_ega ,_dbb =_bfg .tryFetchEOL ();if _dbb !=nil {if _c .Is (_dbb ,_b .EOF ){if _aee ==0{break ;};return _eb ;};};if _ega {continue ;
};if _aee > 0{return _eb ;};break ;};if _ega {return _b .EOF ;};_bfg ._be .Reset ();};if _dbb =_bfg .decode1D ();_dbb !=nil {return _dbb ;};return nil ;};func (_fcb *treeNode )set (_cdbc bool ,_edg *treeNode ){if !_cdbc {_fcb ._dcecg =_edg ;}else {_fcb ._ccdfb =_edg ;
};};var (_gc map[int ]code ;_gegg map[int ]code ;_gdf map[int ]code ;_cf map[int ]code ;_bcb map[int ]code ;_gb map[int ]byte ;_ffg =code {Code :1<<4,BitsWritten :12};_ccd =code {Code :3<<3,BitsWritten :13};_ac =code {Code :2<<3,BitsWritten :13};_fg =code {Code :1<<12,BitsWritten :4};
_fag =code {Code :1<<13,BitsWritten :3};_efg =code {Code :1<<15,BitsWritten :1};_ca =code {Code :3<<13,BitsWritten :3};_bcd =code {Code :3<<10,BitsWritten :6};_bf =code {Code :3<<9,BitsWritten :7};_afb =code {Code :2<<13,BitsWritten :3};_ccg =code {Code :2<<10,BitsWritten :6};
_egf =code {Code :2<<9,BitsWritten :7};);func _bdfg (_ffad ,_def int )code {var _bab code ;switch _def -_ffad {case -1:_bab =_ca ;case -2:_bab =_bcd ;case -3:_bab =_bf ;case 0:_bab =_efg ;case 1:_bab =_afb ;case 2:_bab =_ccg ;case 3:_bab =_egf ;};return _bab ;
};func (_agd *Encoder )encodeG4 (_dcgd [][]byte )[]byte {_aaa :=make ([][]byte ,len (_dcgd ));copy (_aaa ,_dcgd );_aaa =_cgf (_aaa );var _befe []byte ;var _gce int ;for _bccc :=1;_bccc < len (_aaa );_bccc ++{if _agd .Rows > 0&&!_agd .EndOfBlock &&_bccc ==(_agd .Rows +1){break ;
};var _cabf []byte ;var _egdb ,_fedf ,_dfb int ;_adge :=_gce ;_dabc :=-1;for _dabc < len (_aaa [_bccc ]){_egdb =_fbc (_aaa [_bccc ],_dabc );_fedf =_beb (_aaa [_bccc ],_aaa [_bccc -1],_dabc );_dfb =_fbc (_aaa [_bccc -1],_fedf );if _dfb < _egdb {_cabf ,_adge =_bdd (_cabf ,_adge ,_fg );
_dabc =_dfb ;}else {if _g .Abs (float64 (_fedf -_egdb ))> 3{_cabf ,_adge ,_dabc =_ebd (_aaa [_bccc ],_cabf ,_adge ,_dabc ,_egdb );}else {_cabf ,_adge =_abfb (_cabf ,_adge ,_egdb ,_fedf );_dabc =_egdb ;};};};_befe =_agd .appendEncodedRow (_befe ,_cabf ,_gce );
if _agd .EncodedByteAlign {_adge =0;};_gce =_adge %8;};if _agd .EndOfBlock {_deb ,_ :=_fff (_gce );_befe =_agd .appendEncodedRow (_befe ,_deb ,_gce );};return _befe ;};type treeNode struct{_dcecg *treeNode ;_ccdfb *treeNode ;_efe int ;_ccfg bool ;_cdgg bool ;
};var (_gbaf byte =1;_geadg byte =0;);func _aeg (_ffa int ,_abg bool )(code ,int ,bool ){if _ffa < 64{if _abg {return _gegg [_ffa ],0,true ;};return _gc [_ffa ],0,true ;};_dfd :=_ffa /64;if _dfd > 40{return _bcb [2560],_ffa -2560,false ;};if _dfd > 27{return _bcb [_dfd *64],_ffa -_dfd *64,false ;
};if _abg {return _cf [_dfd *64],_ffa -_dfd *64,false ;};return _gdf [_dfd *64],_ffa -_dfd *64,false ;};func _bdd (_cgdf []byte ,_gbe int ,_cfac code )([]byte ,int ){_bad :=0;for _bad < _cfac .BitsWritten {_dda :=_gbe /8;_fgae :=_gbe %8;if _dda >=len (_cgdf ){_cgdf =append (_cgdf ,0);
};_gag :=8-_fgae ;_cff :=_cfac .BitsWritten -_bad ;if _gag > _cff {_gag =_cff ;};if _bad < 8{_cgdf [_dda ]=_cgdf [_dda ]|byte (_cfac .Code >>uint (8+_fgae -_bad ))&_gb [8-_gag -_fgae ];}else {_cgdf [_dda ]=_cgdf [_dda ]|(byte (_cfac .Code <<uint (_bad -8))&_gb [8-_gag ])>>uint (_fgae );
};_gbe +=_gag ;_bad +=_gag ;};return _cgdf ,_gbe ;};func (_gaf *Encoder )Encode (pixels [][]byte )[]byte {if _gaf .BlackIs1 {_gbaf =0;_geadg =1;}else {_gbaf =1;_geadg =0;};if _gaf .K ==0{return _gaf .encodeG31D (pixels );};if _gaf .K > 0{return _gaf .encodeG32D (pixels );
};if _gaf .K < 0{return _gaf .encodeG4 (pixels );};return nil ;};func _cebf (_ccdb int )([]byte ,int ){var _bfe []byte ;for _bcde :=0;_bcde < 6;_bcde ++{_bfe ,_ccdb =_bdd (_bfe ,_ccdb ,_ffg );};return _bfe ,_ccdb %8;};func (_cga *Encoder )encodeG32D (_fcddd [][]byte )[]byte {var _ada []byte ;
var _fga int ;for _agbg :=0;_agbg < len (_fcddd );_agbg +=_cga .K {if _cga .Rows > 0&&!_cga .EndOfBlock &&_agbg ==_cga .Rows {break ;};_fcf ,_dbbf :=_ddg (_fcddd [_agbg ],_fga ,_ccd );_ada =_cga .appendEncodedRow (_ada ,_fcf ,_fga );if _cga .EncodedByteAlign {_dbbf =0;
};_fga =_dbbf ;for _ccdd :=_agbg +1;_ccdd < (_agbg +_cga .K )&&_ccdd < len (_fcddd );_ccdd ++{if _cga .Rows > 0&&!_cga .EndOfBlock &&_ccdd ==_cga .Rows {break ;};_ecfd ,_ggc :=_bdd (nil ,_fga ,_ac );var _adg ,_dbg ,_ea int ;_daee :=-1;for _daee < len (_fcddd [_ccdd ]){_adg =_fbc (_fcddd [_ccdd ],_daee );
_dbg =_beb (_fcddd [_ccdd ],_fcddd [_ccdd -1],_daee );_ea =_fbc (_fcddd [_ccdd -1],_dbg );if _ea < _adg {_ecfd ,_ggc =_bafc (_ecfd ,_ggc );_daee =_ea ;}else {if _g .Abs (float64 (_dbg -_adg ))> 3{_ecfd ,_ggc ,_daee =_ebd (_fcddd [_ccdd ],_ecfd ,_ggc ,_daee ,_adg );
}else {_ecfd ,_ggc =_abfb (_ecfd ,_ggc ,_adg ,_dbg );_daee =_adg ;};};};_ada =_cga .appendEncodedRow (_ada ,_ecfd ,_fga );if _cga .EncodedByteAlign {_ggc =0;};_fga =_ggc %8;};};if _cga .EndOfBlock {_ecg ,_ :=_gfe (_fga );_ada =_cga .appendEncodedRow (_ada ,_ecg ,_fga );
};return _ada ;};func (_eeb *Encoder )encodeG31D (_caa [][]byte )[]byte {var _fdb []byte ;_dbd :=0;for _gef :=range _caa {if _eeb .Rows > 0&&!_eeb .EndOfBlock &&_gef ==_eeb .Rows {break ;};_gee ,_gdd :=_ddg (_caa [_gef ],_dbd ,_ffg );_fdb =_eeb .appendEncodedRow (_fdb ,_gee ,_dbd );
if _eeb .EncodedByteAlign {_gdd =0;};_dbd =_gdd ;};if _eeb .EndOfBlock {_dfae ,_ :=_cebf (_dbd );_fdb =_eeb .appendEncodedRow (_fdb ,_dfae ,_dbd );};return _fdb ;};func (_edb *Decoder )decodeRun (_bdf *tree )(int ,error ){var _edbc int ;_fgb :=_bdf ._adcga ;
for {_gead ,_fdf :=_edb ._be .ReadBool ();if _fdf !=nil {return 0,_fdf ;};_fgb =_fgb .walk (_gead );if _fgb ==nil {return 0,_c .New ("\u0075\u006e\u006bno\u0077\u006e\u0020\u0063\u006f\u0064\u0065\u0020\u0069n\u0020H\u0075f\u0066m\u0061\u006e\u0020\u0052\u004c\u0045\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};if _fgb ._cdgg {_edbc +=_fgb ._efe ;switch {case _fgb ._efe >=64:_fgb =_bdf ._adcga ;case _fgb ._efe >=0:return _edbc ,nil ;default:return _edb ._dcd ,nil ;};};};};func _fff (_ceg int )([]byte ,int ){var _dca []byte ;for _eff :=0;_eff < 2;_eff ++{_dca ,_ceg =_bdd (_dca ,_ceg ,_ffg );
};return _dca ,_ceg %8;};func (_fgbc *tree )fill (_cgdb ,_febd ,_acf int )error {_abb :=_fgbc ._adcga ;for _eaa :=0;_eaa < _cgdb ;_eaa ++{_aac :=_cgdb -1-_eaa ;_bbc :=((_febd >>uint (_aac ))&1)!=0;_cgb :=_abb .walk (_bbc );if _cgb !=nil {if _cgb ._cdgg {return _c .New ("\u006e\u006f\u0064\u0065\u0020\u0069\u0073\u0020\u006c\u0065\u0061\u0066\u002c\u0020\u006eo\u0020o\u0074\u0068\u0065\u0072\u0020\u0066\u006f\u006c\u006c\u006f\u0077\u0069\u006e\u0067");
};_abb =_cgb ;continue ;};_cgb =&treeNode {};if _eaa ==_cgdb -1{_cgb ._efe =_acf ;_cgb ._cdgg =true ;};if _febd ==0{_cgb ._ccfg =true ;};_abb .set (_bbc ,_cgb );_abb =_cgb ;};return nil ;};func (_bdc tiffType )String ()string {switch _bdc {case _ccf :return "\u0074\u0069\u0066\u0066\u0054\u0079\u0070\u0065\u004d\u006f\u0064i\u0066\u0069\u0065\u0064\u0048\u0075\u0066\u0066\u006d\u0061n\u0052\u006c\u0065";
case _ec :return "\u0074\u0069\u0066\u0066\u0054\u0079\u0070\u0065\u0054\u0034";case _gcf :return "\u0074\u0069\u0066\u0066\u0054\u0079\u0070\u0065\u0054\u0036";default:return "\u0075n\u0064\u0065\u0066\u0069\u006e\u0065d";};};func (_cfa *Decoder )decodeRowType2 ()error {if _cfa ._efgc {_cfa ._be .Align ();
};if _gea :=_cfa .decode1D ();_gea !=nil {return _gea ;};return nil ;};func _beb (_fabf ,_gcca []byte ,_gbea int )int {_acaa :=_fbc (_gcca ,_gbea );if _acaa < len (_gcca )&&(_gbea ==-1&&_gcca [_acaa ]==_gbaf ||_gbea >=0&&_gbea < len (_fabf )&&_fabf [_gbea ]==_gcca [_acaa ]||_gbea >=len (_fabf )&&_fabf [_gbea -1]!=_gcca [_acaa ]){_acaa =_fbc (_gcca ,_acaa );
};return _acaa ;};func (_fbg *Decoder )decodeRowType6 ()error {if _fbg ._efgc {_fbg ._be .Align ();};if _fbg ._fe {_fbg ._be .Mark ();_ffe ,_dfa :=_fbg .tryFetchEOL ();if _dfa !=nil {return _dfa ;};if _ffe {_ffe ,_dfa =_fbg .tryFetchEOL ();if _dfa !=nil {return _dfa ;
};if _ffe {return _b .EOF ;};};_fbg ._be .Reset ();};return _fbg .decode2D ();};type tiffType int ;func (_bca *Decoder )tryFetchEOL1 ()(bool ,error ){_agfg ,_dcff :=_bca ._be .ReadBits (13);if _dcff !=nil {return false ,_dcff ;};return _agfg ==0x3,nil ;
};func _aec (_debc []byte ,_gga int ,_gdfb int ,_dg bool )([]byte ,int ){var (_ccff code ;_aaad bool ;);for !_aaad {_ccff ,_gdfb ,_aaad =_aeg (_gdfb ,_dg );_debc ,_gga =_bdd (_debc ,_gga ,_ccff );};return _debc ,_gga ;};var _ggb =[...][]uint16 {{0x7,0x8,0xb,0xc,0xe,0xf},{0x12,0x13,0x14,0x1b,0x7,0x8},{0x17,0x18,0x2a,0x2b,0x3,0x34,0x35,0x7,0x8},{0x13,0x17,0x18,0x24,0x27,0x28,0x2b,0x3,0x37,0x4,0x8,0xc},{0x12,0x13,0x14,0x15,0x16,0x17,0x1a,0x1b,0x2,0x24,0x25,0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x3,0x32,0x33,0x34,0x35,0x36,0x37,0x4,0x4a,0x4b,0x5,0x52,0x53,0x54,0x55,0x58,0x59,0x5a,0x5b,0x64,0x65,0x67,0x68,0xa,0xb},{0x98,0x99,0x9a,0x9b,0xcc,0xcd,0xd2,0xd3,0xd4,0xd5,0xd6,0xd7,0xd8,0xd9,0xda,0xdb},{},{0x8,0xc,0xd},{0x12,0x13,0x14,0x15,0x16,0x17,0x1c,0x1d,0x1e,0x1f}};
func NewDecoder (data []byte ,options DecodeOptions )(*Decoder ,error ){_cd :=&Decoder {_be :_fa .NewReader (data ),_dcd :options .Columns ,_gba :options .Rows ,_fbb :options .DamagedRowsBeforeError ,_gbb :make ([]byte ,(options .Columns +7)/8),_feb :make ([]int ,options .Columns +2),_gbd :make ([]int ,options .Columns +2),_efgc :options .EncodedByteAligned ,_fcd :options .BlackIsOne ,_gdg :options .EndOfLine ,_fe :options .EndOfBlock };
switch {case options .K ==0:_cd ._fcdd =_ec ;if len (data )< 20{return nil ,_c .New ("\u0074o\u006f\u0020\u0073\u0068o\u0072\u0074\u0020\u0063\u0063i\u0074t\u0066a\u0078\u0020\u0073\u0074\u0072\u0065\u0061m");};_dcec :=data [:20];if _dcec [0]!=0||(_dcec [1]>>4!=1&&_dcec [1]!=1){_cd ._fcdd =_ccf ;
_cgd :=(uint16 (_dcec [0])<<8+uint16 (_dcec [1]&0xff))>>4;for _afe :=12;_afe < 160;_afe ++{_cgd =(_cgd <<1)+uint16 ((_dcec [_afe /8]>>uint16 (7-(_afe %8)))&0x01);if _cgd &0xfff==1{_cd ._fcdd =_ec ;break ;};};};case options .K < 0:_cd ._fcdd =_gcf ;case options .K > 0:_cd ._fcdd =_ec ;
_cd ._gbf =true ;};switch _cd ._fcdd {case _ccf ,_ec ,_gcf :default:return nil ,_c .New ("\u0075\u006ek\u006e\u006f\u0077\u006e\u0020\u0063\u0063\u0069\u0074\u0074\u0066\u0061\u0078\u002e\u0044\u0065\u0063\u006f\u0064\u0065\u0072\u0020ty\u0070\u0065");
};return _cd ,nil ;};type tree struct{_adcga *treeNode };func (_bga *Decoder )decodeRowType4 ()error {if !_bga ._gbf {return _bga .decoderRowType41D ();};if _bga ._efgc {_bga ._be .Align ();};_bga ._be .Mark ();_ad ,_ced :=_bga .tryFetchEOL ();if _ced !=nil {return _ced ;
};if !_ad &&_bga ._gdg {_bga ._dd ++;if _bga ._dd > _bga ._fbb {return _bde ;};_bga ._be .Reset ();};if !_ad {_bga ._be .Reset ();};_ee ,_ced :=_bga ._be .ReadBool ();if _ced !=nil {return _ced ;};if _ee {if _ad &&_bga ._fe {if _ced =_bga .tryFetchRTC2D ();
_ced !=nil {return _ced ;};};_ced =_bga .decode1D ();}else {_ced =_bga .decode2D ();};if _ced !=nil {return _ced ;};return nil ;};func (_agb *Decoder )decode1D ()error {var (_cdc int ;_edf error ;);_dcge :=true ;_agb ._bae =0;for {var _fed int ;if _dcge {_fed ,_edf =_agb .decodeRun (_bc );
}else {_fed ,_edf =_agb .decodeRun (_fd );};if _edf !=nil {return _edf ;};_cdc +=_fed ;_agb ._gbd [_agb ._bae ]=_cdc ;_agb ._bae ++;_dcge =!_dcge ;if _cdc >=_agb ._dcd {break ;};};return nil ;};func (_bda *Decoder )Read (in []byte )(int ,error ){if _bda ._gfg !=nil {return 0,_bda ._gfg ;
};_fac :=len (in );var (_baf int ;_ggg int ;);for _fac !=0{if _bda ._bb >=_bda ._ecf {if _faa :=_bda .fetch ();_faa !=nil {_bda ._gfg =_faa ;return 0,_faa ;};};if _bda ._ecf ==-1{return _baf ,_b .EOF ;};switch {case _fac <=_bda ._ecf -_bda ._bb :_bg :=_bda ._gbb [_bda ._bb :_bda ._bb +_fac ];
for _ ,_de :=range _bg {if !_bda ._fcd {_de =^_de ;};in [_ggg ]=_de ;_ggg ++;};_baf +=len (_bg );_bda ._bb +=len (_bg );return _baf ,nil ;default:_fce :=_bda ._gbb [_bda ._bb :];for _ ,_cdf :=range _fce {if !_bda ._fcd {_cdf =^_cdf ;};in [_ggg ]=_cdf ;
_ggg ++;};_baf +=len (_fce );_bda ._bb +=len (_fce );_fac -=len (_fce );};};return _baf ,nil ;};func (_ege *Decoder )tryFetchEOL ()(bool ,error ){_gfgc ,_dcgg :=_ege ._be .ReadBits (12);if _dcgg !=nil {return false ,_dcgg ;};return _gfgc ==0x1,nil ;};func (_dee *treeNode )walk (_bea bool )*treeNode {if _bea {return _dee ._ccdfb ;
};return _dee ._dcecg ;};func _bega (_edc []byte ,_acag bool ,_adab int )(int ,int ){_cbba :=0;for _adab < len (_edc ){if _acag {if _edc [_adab ]!=_gbaf {break ;};}else {if _edc [_adab ]!=_geadg {break ;};};_cbba ++;_adab ++;};return _cbba ,_adab ;};var (_d *treeNode ;
_a *treeNode ;_fd *tree ;_bc *tree ;_e *tree ;_dc *tree ;_ge =-2000;_df =-1000;_dce =-3000;_fdd =-4000;);func _bafc (_bcae []byte ,_ead int )([]byte ,int ){return _bdd (_bcae ,_ead ,_fg )};func (_cebb *Decoder )tryFetchRTC2D ()(_cdg error ){_cebb ._be .Mark ();
var _gbc bool ;for _gcc :=0;_gcc < 5;_gcc ++{_gbc ,_cdg =_cebb .tryFetchEOL1 ();if _cdg !=nil {if _c .Is (_cdg ,_b .EOF ){if _gcc ==0{break ;};return _eb ;};};if _gbc {continue ;};if _gcc > 0{return _eb ;};break ;};if _gbc {return _b .EOF ;};_cebb ._be .Reset ();
return _cdg ;};func _gfe (_cbbg int )([]byte ,int ){var _eaf []byte ;for _cbc :=0;_cbc < 6;_cbc ++{_eaf ,_cbbg =_bdd (_eaf ,_cbbg ,_ccd );};return _eaf ,_cbbg %8;};func (_bcdg *tree )fillWithNode (_dcbc ,_bfc int ,_fbe *treeNode )error {_aga :=_bcdg ._adcga ;
for _ffd :=0;_ffd < _dcbc ;_ffd ++{_bgd :=uint (_dcbc -1-_ffd );_gcfg :=((_bfc >>_bgd )&1)!=0;_debcb :=_aga .walk (_gcfg );if _debcb !=nil {if _debcb ._cdgg {return _c .New ("\u006e\u006f\u0064\u0065\u0020\u0069\u0073\u0020\u006c\u0065\u0061\u0066\u002c\u0020\u006eo\u0020o\u0074\u0068\u0065\u0072\u0020\u0066\u006f\u006c\u006c\u006f\u0077\u0069\u006e\u0067");
};_aga =_debcb ;continue ;};if _ffd ==_dcbc -1{_debcb =_fbe ;}else {_debcb =&treeNode {};};if _bfc ==0{_debcb ._ccfg =true ;};_aga .set (_gcfg ,_debcb );_aga =_debcb ;};return nil ;};func _ddg (_ecgf []byte ,_becd int ,_gfea code )([]byte ,int ){_adc :=true ;
var _gad []byte ;_gad ,_becd =_bdd (nil ,_becd ,_gfea );_cce :=0;var _adga int ;for _cce < len (_ecgf ){_adga ,_cce =_bega (_ecgf ,_adc ,_cce );_gad ,_becd =_aec (_gad ,_becd ,_adga ,_adc );_adc =!_adc ;};return _gad ,_becd %8;};func _ebd (_bff ,_ccdc []byte ,_bba ,_gadc ,_debe int )([]byte ,int ,int ){_gdgc :=_fbc (_bff ,_debe );
_age :=_gadc >=0&&_bff [_gadc ]==_gbaf ||_gadc ==-1;_ccdc ,_bba =_bdd (_ccdc ,_bba ,_fag );var _bfb int ;if _gadc > -1{_bfb =_debe -_gadc ;}else {_bfb =_debe -_gadc -1;};_ccdc ,_bba =_aec (_ccdc ,_bba ,_bfb ,_age );_age =!_age ;_gfb :=_gdgc -_debe ;_ccdc ,_bba =_aec (_ccdc ,_bba ,_gfb ,_age );
_gadc =_gdgc ;return _ccdc ,_bba ,_gadc ;};var _ff =[...][]uint16 {{0x2,0x3},{0x2,0x3},{0x2,0x3},{0x3},{0x4,0x5},{0x4,0x5,0x7},{0x4,0x7},{0x18},{0x17,0x18,0x37,0x8,0xf},{0x17,0x18,0x28,0x37,0x67,0x68,0x6c,0x8,0xc,0xd},{0x12,0x13,0x14,0x15,0x16,0x17,0x1c,0x1d,0x1e,0x1f,0x24,0x27,0x28,0x2b,0x2c,0x33,0x34,0x35,0x37,0x38,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5a,0x5b,0x64,0x65,0x66,0x67,0x68,0x69,0x6a,0x6b,0x6c,0x6d,0xc8,0xc9,0xca,0xcb,0xcc,0xcd,0xd2,0xd3,0xd4,0xd5,0xd6,0xd7,0xda,0xdb},{0x4a,0x4b,0x4c,0x4d,0x52,0x53,0x54,0x55,0x5a,0x5b,0x64,0x65,0x6c,0x6d,0x72,0x73,0x74,0x75,0x76,0x77}};
type DecodeOptions struct{Columns int ;Rows int ;K int ;EncodedByteAligned bool ;BlackIsOne bool ;EndOfBlock bool ;EndOfLine bool ;DamagedRowsBeforeError int ;};type Encoder struct{K int ;EndOfLine bool ;EncodedByteAlign bool ;Columns int ;Rows int ;EndOfBlock bool ;
BlackIs1 bool ;DamagedRowsBeforeError int ;};