unipdf/internal/jbig2/document/document.go

//
// Copyright 2020 FoxyUtils ehf. All rights reserved.
//
// This is a commercial product and requires a license to operate.
// A trial license can be obtained at https://unidoc.io
//
// DO NOT EDIT: generated by unitwist Go source code obfuscator.
//
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package document ;import (_d "encoding/binary";_cb "fmt";_a "github.com/unidoc/unipdf/v3/common";_ac "github.com/unidoc/unipdf/v3/internal/bitwise";_gf "github.com/unidoc/unipdf/v3/internal/jbig2/basic";_ag "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";
_ae "github.com/unidoc/unipdf/v3/internal/jbig2/document/segments";_b "github.com/unidoc/unipdf/v3/internal/jbig2/encoder/classer";_df "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_g "io";_ca "math";_f "runtime/debug";);func (_cfg *Document )encodeEOFHeader (_cdc _ac .BinaryWriter )(_fdd int ,_ge error ){_abdb :=&_ae .Header {SegmentNumber :_cfg .nextSegmentNumber (),Type :_ae .TEndOfFile };
if _fdd ,_ge =_abdb .Encode (_cdc );_ge !=nil {return 0,_df .Wrap (_ge ,"\u0065n\u0063o\u0064\u0065\u0045\u004f\u0046\u0048\u0065\u0061\u0064\u0065\u0072","");};return _fdd ,nil ;};func (_ccf *Page )GetResolutionX ()(int ,error ){return _ccf .getResolutionX ()};
func (_fgca *Page )String ()string {return _cb .Sprintf ("\u0050\u0061\u0067\u0065\u0020\u0023\u0025\u0064",_fgca .PageNumber );};func (_gd *Document )completeSymbols ()(_eda error ){const _eg ="\u0063o\u006dp\u006c\u0065\u0074\u0065\u0053\u0079\u006d\u0062\u006f\u006c\u0073";
if _gd .Classer ==nil {return nil ;};if _gd .Classer .UndilatedTemplates ==nil {return _df .Error (_eg ,"\u006e\u006f t\u0065\u006d\u0070l\u0061\u0074\u0065\u0073 de\u0066in\u0065\u0064\u0020\u0066\u006f\u0072\u0020th\u0065\u0020\u0063\u006c\u0061\u0073\u0073e\u0072");
};_aga :=len (_gd .Pages )==1;_cf :=make ([]int ,_gd .Classer .UndilatedTemplates .Size ());var _bac int ;for _cdf :=0;_cdf < _gd .Classer .ClassIDs .Size ();_cdf ++{_bac ,_eda =_gd .Classer .ClassIDs .Get (_cdf );if _eda !=nil {return _df .Wrap (_eda ,_eg ,"\u0063\u006c\u0061\u0073\u0073\u0020\u0049\u0044\u0027\u0073");
};_cf [_bac ]++;};var _bae []int ;for _db :=0;_db < _gd .Classer .UndilatedTemplates .Size ();_db ++{if _cf [_db ]==0{return _df .Error (_eg ,"\u006eo\u0020\u0073y\u006d\u0062\u006f\u006cs\u0020\u0069\u006es\u0074\u0061\u006e\u0063\u0065\u0073\u0020\u0066\u006fun\u0064\u0020\u0066o\u0072\u0020g\u0069\u0076\u0065\u006e\u0020\u0063l\u0061\u0073s\u003f\u0020");
};if _cf [_db ]> 1||_aga {_bae =append (_bae ,_db );};};_gd ._cbc =len (_bae );var _acc ,_agd int ;for _cc :=0;_cc < _gd .Classer .ComponentPageNumbers .Size ();_cc ++{_acc ,_eda =_gd .Classer .ComponentPageNumbers .Get (_cc );if _eda !=nil {return _df .Wrapf (_eda ,_eg ,"p\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027 \u006e\u006f\u0074\u0020\u0066\u006f\u0075nd\u0020\u0069\u006e\u0020t\u0068\u0065\u0020\u0063\u006c\u0061\u0073\u0073\u0065r \u0070\u0061g\u0065\u006e\u0075\u006d\u0062\u0065\u0072\u0073",_cc );
};_agd ,_eda =_gd .Classer .ClassIDs .Get (_cc );if _eda !=nil {return _df .Wrapf (_eda ,_eg ,"\u0063\u0061\u006e\u0027\u0074\u0020\u0067e\u0074\u0020\u0073y\u006d\u0062\u006f\u006c \u0066\u006f\u0072\u0020\u0070\u0061\u0067\u0065\u0020\u0027\u0025\u0064\u0027\u0020\u0066\u0072\u006f\u006d\u0020\u0063\u006c\u0061\u0073\u0073\u0065\u0072",_acc );
};if _cf [_agd ]==1&&!_aga {_gd ._gb [_acc ]=append (_gd ._gb [_acc ],_agd );};};if _eda =_gd .Classer .ComputeLLCorners ();_eda !=nil {return _df .Wrap (_eda ,_eg ,"");};return nil ;};func (_gbf *Page )getWidth ()(int ,error ){const _fed ="\u0067\u0065\u0074\u0057\u0069\u0064\u0074\u0068";
if _gbf .FinalWidth !=0{return _gbf .FinalWidth ,nil ;};_afb :=_gbf .getPageInformationSegment ();if _afb ==nil {return 0,_df .Error (_fed ,"n\u0069l\u0020\u0070\u0061\u0067\u0065\u0020\u0069\u006ef\u006f\u0072\u006d\u0061ti\u006f\u006e");};_dcb ,_gaga :=_afb .GetSegmentData ();
if _gaga !=nil {return 0,_df .Wrap (_gaga ,_fed ,"");};_aaedc ,_fee :=_dcb .(*_ae .PageInformationSegment );if !_fee {return 0,_df .Errorf (_fed ,"\u0070\u0061\u0067\u0065\u0020\u0069n\u0066\u006f\u0072\u006d\u0061\u0074\u0069\u006f\u006e\u0020\u0073\u0065\u0067\u006d\u0065\u006e\u0074\u0020\u0069\u0073 \u006f\u0066\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0074\u0079\u0070e\u003a \u0027\u0025\u0054\u0027",_dcb );
};_gbf .FinalWidth =_aaedc .PageBMWidth ;return _gbf .FinalWidth ,nil ;};func (_geg *Page )AddEndOfPageSegment (){_cfc :=&_ae .Header {Type :_ae .TEndOfPage ,PageAssociation :_geg .PageNumber };_geg .Segments =append (_geg .Segments ,_cfc );};func (_bdg *Page )GetHeight ()(int ,error ){return _bdg .getHeight ()};
func (_ce *Document )completeClassifiedPages ()(_fg error ){const _eb ="\u0063\u006f\u006dpl\u0065\u0074\u0065\u0043\u006c\u0061\u0073\u0073\u0069\u0066\u0069\u0065\u0064\u0050\u0061\u0067\u0065\u0073";if _ce .Classer ==nil {return nil ;};_ce ._ab =make ([]int ,_ce .Classer .UndilatedTemplates .Size ());
for _gbg :=0;_gbg < _ce .Classer .ClassIDs .Size ();_gbg ++{_cba ,_bd :=_ce .Classer .ClassIDs .Get (_gbg );if _bd !=nil {return _df .Wrapf (_bd ,_eb ,"\u0063\u006c\u0061\u0073s \u0077\u0069\u0074\u0068\u0020\u0069\u0064\u003a\u0020\u0027\u0025\u0064\u0027",_gbg );
};_ce ._ab [_cba ]++;};var _fa []int ;for _dfg :=0;_dfg < _ce .Classer .UndilatedTemplates .Size ();_dfg ++{if _ce .NumberOfPages ==1||_ce ._ab [_dfg ]> 1{_fa =append (_fa ,_dfg );};};var (_fad *Page ;_acg bool ;);for _feb ,_ee :=range *_ce .Classer .ComponentPageNumbers {if _fad ,_acg =_ce .Pages [_ee ];
!_acg {return _df .Errorf (_eb ,"p\u0061g\u0065\u003a\u0020\u0027\u0025\u0064\u0027\u0020n\u006f\u0074\u0020\u0066ou\u006e\u0064",_feb );};if _fad .EncodingMethod ==GenericEM {_a .Log .Error ("\u0047\u0065\u006e\u0065\u0072\u0069c\u0020\u0070\u0061g\u0065\u0020\u0077i\u0074\u0068\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u003a \u0027\u0025\u0064\u0027\u0020ma\u0070\u0070\u0065\u0064\u0020\u0061\u0073\u0020\u0063\u006c\u0061\u0073\u0073\u0069\u0066\u0069\u0065\u0064\u0020\u0070\u0061\u0067\u0065",_feb );
continue ;};_ce ._da [_ee ]=append (_ce ._da [_ee ],_feb );_gga ,_gbb :=_ce .Classer .ClassIDs .Get (_feb );if _gbb !=nil {return _df .Wrapf (_gbb ,_eb ,"\u006e\u006f\u0020\u0073uc\u0068\u0020\u0063\u006c\u0061\u0073\u0073\u0049\u0044\u003a\u0020\u0025\u0064",_feb );
};if _ce ._ab [_gga ]==1&&_ce .NumberOfPages !=1{_bg :=append (_ce ._gb [_ee ],_gga );_ce ._gb [_ee ]=_bg ;};};if _fg =_ce .Classer .ComputeLLCorners ();_fg !=nil {return _df .Wrap (_fg ,_eb ,"");};if _ ,_fg =_ce .addSymbolDictionary (0,_ce .Classer .UndilatedTemplates ,_fa ,_ce ._ea ,false );
_fg !=nil {return _df .Wrap (_fg ,_eb ,"");};return nil ;};func (_ggc *Page )addTextRegionSegment (_eef []*_ae .Header ,_aaa ,_dcd map[int ]int ,_ecc []int ,_cge *_ag .Points ,_fga *_ag .Bitmaps ,_abed *_gf .IntSlice ,_abee *_ag .Boxes ,_aff ,_ddd int ){_gbeag :=&_ae .TextRegion {NumberOfSymbols :uint32 (_ddd )};
_gbeag .InitEncode (_aaa ,_dcd ,_ecc ,_cge ,_fga ,_abed ,_abee ,_ggc .FinalWidth ,_ggc .FinalHeight ,_aff );_eefb :=&_ae .Header {RTSegments :_eef ,SegmentData :_gbeag ,PageAssociation :_ggc .PageNumber ,Type :_ae .TImmediateTextRegion };_cec :=_ae .TPageInformation ;
if _dcd !=nil {_cec =_ae .TSymbolDictionary ;};var _bdd int ;for ;_bdd < len (_ggc .Segments );_bdd ++{if _ggc .Segments [_bdd ].Type ==_cec {_bdd ++;break ;};};_ggc .Segments =append (_ggc .Segments ,nil );copy (_ggc .Segments [_bdd +1:],_ggc .Segments [_bdd :]);
_ggc .Segments [_bdd ]=_eefb ;};func (_acgf *Page )fitsPage (_fcg *_ae .PageInformationSegment ,_aaed *_ag .Bitmap )bool {return _acgf .countRegions ()==1&&_fcg .DefaultPixelValue ==0&&_fcg .PageBMWidth ==_aaed .Width &&_fcg .PageBMHeight ==_aaed .Height ;
};func (_def *Document )determineRandomDataOffsets (_dbf []*_ae .Header ,_fdab uint64 ){if _def .OrganizationType !=_ae .ORandom {return ;};for _ ,_bce :=range _dbf {_bce .SegmentDataStartOffset =_fdab ;_fdab +=_bce .SegmentDataLength ;};};func (_cbd *Page )getHeight ()(int ,error ){const _bfee ="\u0067e\u0074\u0048\u0065\u0069\u0067\u0068t";
if _cbd .FinalHeight !=0{return _cbd .FinalHeight ,nil ;};_dcdc :=_cbd .getPageInformationSegment ();if _dcdc ==nil {return 0,_df .Error (_bfee ,"n\u0069l\u0020\u0070\u0061\u0067\u0065\u0020\u0069\u006ef\u006f\u0072\u006d\u0061ti\u006f\u006e");};_gagf ,_aeec :=_dcdc .GetSegmentData ();
if _aeec !=nil {return 0,_df .Wrap (_aeec ,_bfee ,"");};_ged ,_fbf :=_gagf .(*_ae .PageInformationSegment );if !_fbf {return 0,_df .Errorf (_bfee ,"\u0070\u0061\u0067\u0065\u0020\u0069n\u0066\u006f\u0072\u006d\u0061\u0074\u0069\u006f\u006e\u0020\u0073\u0065\u0067\u006d\u0065\u006e\u0074\u0020\u0069\u0073 \u006f\u0066\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0074\u0079\u0070e\u003a \u0027\u0025\u0054\u0027",_gagf );
};if _ged .PageBMHeight ==_ca .MaxInt32 {_ ,_aeec =_cbd .GetBitmap ();if _aeec !=nil {return 0,_df .Wrap (_aeec ,_bfee ,"");};}else {_cbd .FinalHeight =_ged .PageBMHeight ;};return _cbd .FinalHeight ,nil ;};func _gegb (_fafb *Document ,_ced int )*Page {return &Page {Document :_fafb ,PageNumber :_ced ,Segments :[]*_ae .Header {}};
};func (_bab *Page )Encode (w _ac .BinaryWriter )(_dddb int ,_fadd error ){const _ggg ="P\u0061\u0067\u0065\u002e\u0045\u006e\u0063\u006f\u0064\u0065";var _gaf int ;for _ ,_feg :=range _bab .Segments {if _gaf ,_fadd =_feg .Encode (w );_fadd !=nil {return _dddb ,_df .Wrap (_fadd ,_ggg ,"");
};_dddb +=_gaf ;};return _dddb ,nil ;};func (_faf *Document )GetGlobalSegment (i int )(*_ae .Header ,error ){_fdea ,_bcg :=_faf .GlobalSegments .GetSegment (i );if _bcg !=nil {return nil ,_df .Wrap (_bcg ,"\u0047\u0065t\u0047\u006c\u006fb\u0061\u006c\u0053\u0065\u0067\u006d\u0065\u006e\u0074","");
};return _fdea ,nil ;};func (_dcf *Page )GetWidth ()(int ,error ){return _dcf .getWidth ()};func (_gfc *Page )composePageBitmap ()error {const _egb ="\u0063\u006f\u006d\u0070\u006f\u0073\u0065\u0050\u0061\u0067\u0065\u0042i\u0074\u006d\u0061\u0070";if _gfc .PageNumber ==0{return nil ;
};_fded :=_gfc .getPageInformationSegment ();if _fded ==nil {return _df .Error (_egb ,"\u0070\u0061\u0067e \u0069\u006e\u0066\u006f\u0072\u006d\u0061\u0074\u0069o\u006e \u0073e\u0067m\u0065\u006e\u0074\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};_fecg ,_cbbg :=_fded .GetSegmentData ();if _cbbg !=nil {return _cbbg ;};_fdfg ,_cae :=_fecg .(*_ae .PageInformationSegment );if !_cae {return _df .Error (_egb ,"\u0070\u0061\u0067\u0065\u0020\u0069\u006ef\u006f\u0072\u006da\u0074\u0069\u006f\u006e \u0073\u0065\u0067\u006d\u0065\u006e\u0074\u0020\u0069\u0073\u0020\u006f\u0066\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0074\u0079\u0070\u0065");
};if _cbbg =_gfc .createPage (_fdfg );_cbbg !=nil {return _df .Wrap (_cbbg ,_egb ,"");};_gfc .clearSegmentData ();return nil ;};func (_fgg *Page )getCombinationOperator (_debb *_ae .PageInformationSegment ,_ecf _ag .CombinationOperator )_ag .CombinationOperator {if _debb .CombinationOperatorOverrideAllowed (){return _ecf ;
};return _debb .CombinationOperator ();};func (_dcbg *Page )nextSegmentNumber ()uint32 {return _dcbg .Document .nextSegmentNumber ()};func _dbg (_cdfd *_ac .Reader ,_fcf *Globals )(*Document ,error ){_aad :=&Document {Pages :make (map[int ]*Page ),InputStream :_cdfd ,OrganizationType :_ae .OSequential ,NumberOfPagesUnknown :true ,GlobalSegments :_fcf ,_e :9};
if _aad .GlobalSegments ==nil {_aad .GlobalSegments =&Globals {};};if _accg :=_aad .mapData ();_accg !=nil {return nil ,_accg ;};return _aad ,nil ;};func (_abg *Globals )GetSymbolDictionary ()(*_ae .Header ,error ){const _gbeg ="G\u006c\u006f\u0062\u0061\u006c\u0073.\u0047\u0065\u0074\u0053\u0079\u006d\u0062\u006f\u006cD\u0069\u0063\u0074i\u006fn\u0061\u0072\u0079";
if _abg ==nil {return nil ,_df .Error (_gbeg ,"\u0067\u006c\u006f\u0062al\u0073\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006e\u0065\u0064");};if len (_abg .Segments )==0{return nil ,_df .Error (_gbeg ,"\u0067\u006c\u006f\u0062\u0061\u006c\u0073\u0020\u0061\u0072\u0065\u0020e\u006d\u0070\u0074\u0079");
};for _ ,_ddf :=range _abg .Segments {if _ddf .Type ==_ae .TSymbolDictionary {return _ddf ,nil ;};};return nil ,_df .Error (_gbeg ,"\u0067\u006c\u006fba\u006c\u0020\u0073\u0079\u006d\u0062\u006f\u006c\u0020d\u0069c\u0074i\u006fn\u0061\u0072\u0079\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};func (_bfa *Page )GetBitmap ()(_gcf *_ag .Bitmap ,_edg error ){_a .Log .Trace (_cb .Sprintf ("\u005b\u0050\u0041G\u0045\u005d\u005b\u0023%\u0064\u005d\u0020\u0047\u0065\u0074\u0042i\u0074\u006d\u0061\u0070\u0020\u0062\u0065\u0067\u0069\u006e\u0073\u002e\u002e\u002e",_bfa .PageNumber ));
defer func (){if _edg !=nil {_a .Log .Trace (_cb .Sprintf ("\u005b\u0050\u0041\u0047\u0045\u005d\u005b\u0023\u0025\u0064\u005d\u0020\u0047\u0065\u0074B\u0069t\u006d\u0061\u0070\u0020\u0066\u0061\u0069\u006c\u0065\u0064\u002e\u0020\u0025\u0076",_bfa .PageNumber ,_edg ));
}else {_a .Log .Trace (_cb .Sprintf ("\u005b\u0050\u0041\u0047\u0045\u005d\u005b\u0023\u0025\u0064]\u0020\u0047\u0065\u0074\u0042\u0069\u0074m\u0061\u0070\u0020\u0066\u0069\u006e\u0069\u0073\u0068\u0065\u0064",_bfa .PageNumber ));};}();if _bfa .Bitmap !=nil {return _bfa .Bitmap ,nil ;
};_edg =_bfa .composePageBitmap ();if _edg !=nil {return nil ,_edg ;};return _bfa .Bitmap ,nil ;};func (_efa *Document )produceClassifiedPage (_ba *Page ,_ggb *_ae .Header )(_bgg error ){const _fd ="p\u0072\u006f\u0064\u0075ce\u0043l\u0061\u0073\u0073\u0069\u0066i\u0065\u0064\u0050\u0061\u0067\u0065";
var _ebb map[int ]int ;_bgf :=_efa ._cbc ;_bad :=[]*_ae .Header {_ggb };if len (_efa ._gb [_ba .PageNumber ])> 0{_ebb =map[int ]int {};_fdf ,_efd :=_efa .addSymbolDictionary (_ba .PageNumber ,_efa .Classer .UndilatedTemplates ,_efa ._gb [_ba .PageNumber ],_ebb ,false );
if _efd !=nil {return _df .Wrap (_efd ,_fd ,"");};_bad =append (_bad ,_fdf );_bgf +=len (_efa ._gb [_ba .PageNumber ]);};_cga :=_efa ._da [_ba .PageNumber ];_a .Log .Debug ("P\u0061g\u0065\u003a\u0020\u0027\u0025\u0064\u0027\u0020c\u006f\u006d\u0070\u0073: \u0025\u0076",_ba .PageNumber ,_cga );
_ba .addTextRegionSegment (_bad ,_efa ._ea ,_ebb ,_efa ._da [_ba .PageNumber ],_efa .Classer .PtaLL ,_efa .Classer .UndilatedTemplates ,_efa .Classer .ClassIDs ,nil ,_dc (_bgf ),len (_efa ._da [_ba .PageNumber ]));return nil ;};type Page struct{Segments []*_ae .Header ;
PageNumber int ;Bitmap *_ag .Bitmap ;FinalHeight int ;FinalWidth int ;ResolutionX int ;ResolutionY int ;IsLossless bool ;Document *Document ;FirstSegmentNumber int ;EncodingMethod EncodingMethod ;BlackIsOne bool ;};func (_ebf *Page )getResolutionY ()(int ,error ){const _aadd ="\u0067\u0065\u0074\u0052\u0065\u0073\u006f\u006c\u0075t\u0069\u006f\u006e\u0059";
if _ebf .ResolutionY !=0{return _ebf .ResolutionY ,nil ;};_bfae :=_ebf .getPageInformationSegment ();if _bfae ==nil {return 0,_df .Error (_aadd ,"n\u0069l\u0020\u0070\u0061\u0067\u0065\u0020\u0069\u006ef\u006f\u0072\u006d\u0061ti\u006f\u006e");};_cdga ,_bee :=_bfae .GetSegmentData ();
if _bee !=nil {return 0,_df .Wrap (_bee ,_aadd ,"");};_ecfg ,_ebg :=_cdga .(*_ae .PageInformationSegment );if !_ebg {return 0,_df .Errorf (_aadd ,"\u0070\u0061\u0067\u0065\u0020\u0069\u006e\u0066o\u0072\u006d\u0061ti\u006f\u006e\u0020\u0073\u0065\u0067m\u0065\u006e\u0074\u0020\u0069\u0073\u0020\u006f\u0066\u0020\u0069\u006e\u0076\u0061\u006ci\u0064\u0020\u0074\u0079\u0070\u0065\u003a\u0027%\u0054\u0027",_cdga );
};_ebf .ResolutionY =_ecfg .ResolutionY ;return _ebf .ResolutionY ,nil ;};func (_gcb *Page )createStripedPage (_efc *_ae .PageInformationSegment )error {const _dfgc ="\u0063\u0072\u0065\u0061\u0074\u0065\u0053\u0074\u0072\u0069\u0070\u0065d\u0050\u0061\u0067\u0065";
_ade ,_ggce :=_gcb .collectPageStripes ();if _ggce !=nil {return _df .Wrap (_ggce ,_dfgc ,"");};var _bbe int ;for _ ,_aadf :=range _ade {if _add ,_aee :=_aadf .(*_ae .EndOfStripe );_aee {_bbe =_add .LineNumber ()+1;}else {_edga :=_aadf .(_ae .Regioner );
_eec :=_edga .GetRegionInfo ();_abdbg :=_gcb .getCombinationOperator (_efc ,_eec .CombinaionOperator );_gcad ,_bdcc :=_edga .GetRegionBitmap ();if _bdcc !=nil {return _df .Wrap (_bdcc ,_dfgc ,"");};_bdcc =_ag .Blit (_gcad ,_gcb .Bitmap ,int (_eec .XLocation ),_bbe ,_abdbg );
if _bdcc !=nil {return _df .Wrap (_bdcc ,_dfgc ,"");};};};return nil ;};func (_gaa *Document )parseFileHeader ()error {const _gfe ="\u0070a\u0072s\u0065\u0046\u0069\u006c\u0065\u0048\u0065\u0061\u0064\u0065\u0072";_ ,_ceb :=_gaa .InputStream .Seek (8,_g .SeekStart );
if _ceb !=nil {return _df .Wrap (_ceb ,_gfe ,"\u0069\u0064");};_ ,_ceb =_gaa .InputStream .ReadBits (5);if _ceb !=nil {return _df .Wrap (_ceb ,_gfe ,"\u0072\u0065\u0073\u0065\u0072\u0076\u0065\u0064\u0020\u0062\u0069\u0074\u0073");};_fecd ,_ceb :=_gaa .InputStream .ReadBit ();
if _ceb !=nil {return _df .Wrap (_ceb ,_gfe ,"\u0065x\u0074e\u006e\u0064\u0065\u0064\u0020t\u0065\u006dp\u006c\u0061\u0074\u0065\u0073");};if _fecd ==1{_gaa .GBUseExtTemplate =true ;};_fecd ,_ceb =_gaa .InputStream .ReadBit ();if _ceb !=nil {return _df .Wrap (_ceb ,_gfe ,"\u0075\u006e\u006b\u006eow\u006e\u0020\u0070\u0061\u0067\u0065\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
};if _fecd !=1{_gaa .NumberOfPagesUnknown =false ;};_fecd ,_ceb =_gaa .InputStream .ReadBit ();if _ceb !=nil {return _df .Wrap (_ceb ,_gfe ,"\u006f\u0072\u0067\u0061\u006e\u0069\u007a\u0061\u0074\u0069\u006f\u006e \u0074\u0079\u0070\u0065");};_gaa .OrganizationType =_ae .OrganizationType (_fecd );
if !_gaa .NumberOfPagesUnknown {_gaa .NumberOfPages ,_ceb =_gaa .InputStream .ReadUint32 ();if _ceb !=nil {return _df .Wrap (_ceb ,_gfe ,"\u006eu\u006db\u0065\u0072\u0020\u006f\u0066\u0020\u0070\u0061\u0067\u0065\u0073");};_gaa ._e =13;};return nil ;};
func (_fcd *Page )createNormalPage (_deb *_ae .PageInformationSegment )error {const _gbbd ="\u0063\u0072e\u0061\u0074\u0065N\u006f\u0072\u006d\u0061\u006c\u0050\u0061\u0067\u0065";_fcd .Bitmap =_ag .New (_deb .PageBMWidth ,_deb .PageBMHeight );if _deb .DefaultPixelValue !=0{_fcd .Bitmap .SetDefaultPixel ();
};for _ ,_gca :=range _fcd .Segments {switch _gca .Type {case 6,7,22,23,38,39,42,43:_a .Log .Trace ("\u0047\u0065\u0074\u0074in\u0067\u0020\u0053\u0065\u0067\u006d\u0065\u006e\u0074\u003a\u0020\u0025\u0064",_gca .SegmentNumber );_gad ,_caa :=_gca .GetSegmentData ();
if _caa !=nil {return _caa ;};_afdc ,_bcf :=_gad .(_ae .Regioner );if !_bcf {_a .Log .Debug ("\u0053\u0065g\u006d\u0065\u006e\u0074\u003a\u0020\u0025\u0054\u0020\u0069\u0073\u0020\u006e\u006f\u0074\u0020\u0061\u0020\u0052\u0065\u0067\u0069on\u0065\u0072",_gad );
return _df .Errorf (_gbbd ,"i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u006a\u0062i\u0067\u0032\u0020\u0073\u0065\u0067\u006den\u0074\u0020\u0074\u0079p\u0065\u0020\u002d\u0020\u006e\u006f\u0074\u0020\u0061 R\u0065\u0067i\u006f\u006e\u0065\u0072\u003a\u0020\u0025\u0054",_gad );
};_ece ,_caa :=_afdc .GetRegionBitmap ();if _caa !=nil {return _df .Wrap (_caa ,_gbbd ,"");};if _fcd .fitsPage (_deb ,_ece ){_fcd .Bitmap =_ece ;}else {_fafd :=_afdc .GetRegionInfo ();_gagg :=_fcd .getCombinationOperator (_deb ,_fafd .CombinaionOperator );
_caa =_ag .Blit (_ece ,_fcd .Bitmap ,int (_fafd .XLocation ),int (_fafd .YLocation ),_gagg );if _caa !=nil {return _df .Wrap (_caa ,_gbbd ,"");};};};};return nil ;};func (_gfec *Globals )AddSegment (segment *_ae .Header ){_gfec .Segments =append (_gfec .Segments ,segment );
};func (_eab *Globals )GetSegmentByIndex (index int )(*_ae .Header ,error ){const _bed ="\u0047l\u006f\u0062\u0061\u006cs\u002e\u0047\u0065\u0074\u0053e\u0067m\u0065n\u0074\u0042\u0079\u0049\u006e\u0064\u0065x";if _eab ==nil {return nil ,_df .Error (_bed ,"\u0067\u006c\u006f\u0062al\u0073\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006e\u0065\u0064");
};if len (_eab .Segments )==0{return nil ,_df .Error (_bed ,"\u0067\u006c\u006f\u0062\u0061\u006c\u0073\u0020\u0061\u0072\u0065\u0020e\u006d\u0070\u0074\u0079");};if index > len (_eab .Segments )-1{return nil ,_df .Error (_bed ,"\u0069n\u0064e\u0078\u0020\u006f\u0075\u0074 \u006f\u0066 \u0072\u0061\u006e\u0067\u0065");
};return _eab .Segments [index ],nil ;};func (_cg *Document )produceClassifiedPages ()(_dd error ){const _abd ="\u0070\u0072\u006f\u0064uc\u0065\u0043\u006c\u0061\u0073\u0073\u0069\u0066\u0069\u0065\u0064\u0050\u0061\u0067e\u0073";if _cg .Classer ==nil {return nil ;
};var (_bdc *Page ;_bgd bool ;_bf *_ae .Header ;);for _bda :=1;_bda <=int (_cg .NumberOfPages );_bda ++{if _bdc ,_bgd =_cg .Pages [_bda ];!_bgd {return _df .Errorf (_abd ,"p\u0061g\u0065\u003a\u0020\u0027\u0025\u0064\u0027\u0020n\u006f\u0074\u0020\u0066ou\u006e\u0064",_bda );
};if _bdc .EncodingMethod ==GenericEM {continue ;};if _bf ==nil {if _bf ,_dd =_cg .GlobalSegments .GetSymbolDictionary ();_dd !=nil {return _df .Wrap (_dd ,_abd ,"");};};if _dd =_cg .produceClassifiedPage (_bdc ,_bf );_dd !=nil {return _df .Wrapf (_dd ,_abd ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_bda );
};};return nil ;};func (_dea *Page )AddPageInformationSegment (){_gff :=&_ae .PageInformationSegment {PageBMWidth :_dea .FinalWidth ,PageBMHeight :_dea .FinalHeight ,ResolutionX :_dea .ResolutionX ,ResolutionY :_dea .ResolutionY ,IsLossless :_dea .IsLossless };
if _dea .BlackIsOne {_gff .DefaultPixelValue =uint8 (0x1);};_cdbc :=&_ae .Header {PageAssociation :_dea .PageNumber ,SegmentDataLength :uint64 (_gff .Size ()),SegmentData :_gff ,Type :_ae .TPageInformation };_dea .Segments =append (_dea .Segments ,_cdbc );
};func (_gggc *Page )GetSegment (number int )(*_ae .Header ,error ){const _ebd ="\u0050a\u0067e\u002e\u0047\u0065\u0074\u0053\u0065\u0067\u006d\u0065\u006e\u0074";for _ ,_ede :=range _gggc .Segments {if _ede .SegmentNumber ==uint32 (number ){return _ede ,nil ;
};};_cce :=make ([]uint32 ,len (_gggc .Segments ));for _afe ,_cfgd :=range _gggc .Segments {_cce [_afe ]=_cfgd .SegmentNumber ;};return nil ,_df .Errorf (_ebd ,"\u0073e\u0067\u006d\u0065n\u0074\u0020\u0077i\u0074h \u006e\u0075\u006d\u0062\u0065\u0072\u003a \u0027\u0025\u0064\u0027\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020\u0069\u006e\u0020\u0074\u0068\u0065\u0020\u0070\u0061\u0067\u0065\u003a\u0020'%\u0064'\u002e\u0020\u004b\u006e\u006f\u0077n\u0020\u0073\u0065\u0067\u006de\u006e\u0074\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0073\u003a \u0025\u0076",number ,_gggc .PageNumber ,_cce );
};func (_fda *Document )GetNumberOfPages ()(uint32 ,error ){if _fda .NumberOfPagesUnknown ||_fda .NumberOfPages ==0{if len (_fda .Pages )==0{if _cag :=_fda .mapData ();_cag !=nil {return 0,_df .Wrap (_cag ,"\u0044o\u0063\u0075\u006d\u0065n\u0074\u002e\u0047\u0065\u0074N\u0075m\u0062e\u0072\u004f\u0066\u0050\u0061\u0067\u0065s","");
};};return uint32 (len (_fda .Pages )),nil ;};return _fda .NumberOfPages ,nil ;};func (_cdb *Globals )GetSegment (segmentNumber int )(*_ae .Header ,error ){const _fbc ="\u0047l\u006fb\u0061\u006c\u0073\u002e\u0047e\u0074\u0053e\u0067\u006d\u0065\u006e\u0074";
if _cdb ==nil {return nil ,_df .Error (_fbc ,"\u0067\u006c\u006f\u0062al\u0073\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006e\u0065\u0064");};if len (_cdb .Segments )==0{return nil ,_df .Error (_fbc ,"\u0067\u006c\u006f\u0062\u0061\u006c\u0073\u0020\u0061\u0072\u0065\u0020e\u006d\u0070\u0074\u0079");
};var _aae *_ae .Header ;for _ ,_aae =range _cdb .Segments {if _aae .SegmentNumber ==uint32 (segmentNumber ){break ;};};if _aae ==nil {return nil ,_df .Error (_fbc ,"\u0073\u0065\u0067\u006d\u0065\u006e\u0074\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");
};return _aae ,nil ;};func (_bdf *Page )getPageInformationSegment ()*_ae .Header {for _ ,_adg :=range _bdf .Segments {if _adg .Type ==_ae .TPageInformation {return _adg ;};};_a .Log .Debug ("\u0050\u0061\u0067\u0065\u0020\u0069\u006e\u0066o\u0072\u006d\u0061ti\u006f\u006e\u0020\u0073\u0065\u0067m\u0065\u006e\u0074\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020\u0066o\u0072\u0020\u0070\u0061\u0067\u0065\u003a\u0020%\u0073\u002e",_bdf );
return nil ;};func (_dgf *Document )Encode ()(_agf []byte ,_cbb error ){const _bbg ="\u0044o\u0063u\u006d\u0065\u006e\u0074\u002e\u0045\u006e\u0063\u006f\u0064\u0065";var _aed ,_agc int ;if _dgf .FullHeaders {if _aed ,_cbb =_dgf .encodeFileHeader (_dgf ._dfa );
_cbb !=nil {return nil ,_df .Wrap (_cbb ,_bbg ,"");};};var (_aeff bool ;_efb *_ae .Header ;_gbea *Page ;);if _cbb =_dgf .completeClassifiedPages ();_cbb !=nil {return nil ,_df .Wrap (_cbb ,_bbg ,"");};if _cbb =_dgf .produceClassifiedPages ();_cbb !=nil {return nil ,_df .Wrap (_cbb ,_bbg ,"");
};if _dgf .GlobalSegments !=nil {for _ ,_efb =range _dgf .GlobalSegments .Segments {if _cbb =_dgf .encodeSegment (_efb ,&_aed );_cbb !=nil {return nil ,_df .Wrap (_cbb ,_bbg ,"");};};};for _gba :=1;_gba <=int (_dgf .NumberOfPages );_gba ++{if _gbea ,_aeff =_dgf .Pages [_gba ];
!_aeff {return nil ,_df .Errorf (_bbg ,"p\u0061g\u0065\u003a\u0020\u0027\u0025\u0064\u0027\u0020n\u006f\u0074\u0020\u0066ou\u006e\u0064",_gba );};for _ ,_efb =range _gbea .Segments {if _cbb =_dgf .encodeSegment (_efb ,&_aed );_cbb !=nil {return nil ,_df .Wrap (_cbb ,_bbg ,"");
};};};if _dgf .FullHeaders {if _agc ,_cbb =_dgf .encodeEOFHeader (_dgf ._dfa );_cbb !=nil {return nil ,_df .Wrap (_cbb ,_bbg ,"");};_aed +=_agc ;};_agf =_dgf ._dfa .Data ();if len (_agf )!=_aed {_a .Log .Debug ("\u0042\u0079\u0074\u0065\u0073 \u0077\u0072\u0069\u0074\u0074\u0065\u006e \u0028\u006e\u0029\u003a\u0020\u0027\u0025\u0064\u0027\u0020\u0069\u0073\u0020\u006e\u006f\u0074\u0020\u0065\u0071\u0075\u0061\u006c\u0020\u0074\u006f\u0020\u0074\u0068\u0065\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u0020\u006f\u0066\u0020t\u0068\u0065\u0020\u0064\u0061\u0074\u0061\u0020\u0065\u006e\u0063\u006fd\u0065\u0064\u003a\u0020\u0027\u0025d\u0027",_aed ,len (_agf ));
};return _agf ,nil ;};func (_ec *Document )reachedEOF (_aa int64 )(bool ,error ){const _dbfa ="\u0072\u0065\u0061\u0063\u0068\u0065\u0064\u0045\u004f\u0046";_ ,_dfbd :=_ec .InputStream .Seek (_aa ,_g .SeekStart );if _dfbd !=nil {_a .Log .Debug ("\u0072\u0065\u0061c\u0068\u0065\u0064\u0045\u004f\u0046\u0020\u002d\u0020\u0064\u002e\u0049\u006e\u0070\u0075\u0074\u0053\u0074\u0072\u0065\u0061\u006d\u002e\u0053\u0065\u0065\u006b\u0020\u0066a\u0069\u006c\u0065\u0064\u003a\u0020\u0025\u0076",_dfbd );
return false ,_df .Wrap (_dfbd ,_dbfa ,"\u0069n\u0070\u0075\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0020s\u0065\u0065\u006b\u0020\u0066\u0061\u0069\u006c\u0065\u0064");};_ ,_dfbd =_ec .InputStream .ReadBits (32);if _dfbd ==_g .EOF {return true ,nil ;
}else if _dfbd !=nil {return false ,_df .Wrap (_dfbd ,_dbfa ,"");};return false ,nil ;};type Globals struct{Segments []*_ae .Header ;};func InitEncodeDocument (fullHeaders bool )*Document {return &Document {FullHeaders :fullHeaders ,_dfa :_ac .BufferedMSB (),Pages :map[int ]*Page {},_gb :map[int ][]int {},_ea :map[int ]int {},_da :map[int ][]int {}};
};func (_bdgd *Page )getResolutionX ()(int ,error ){const _bgdc ="\u0067\u0065\u0074\u0052\u0065\u0073\u006f\u006c\u0075t\u0069\u006f\u006e\u0058";if _bdgd .ResolutionX !=0{return _bdgd .ResolutionX ,nil ;};_ggcd :=_bdgd .getPageInformationSegment ();if _ggcd ==nil {return 0,_df .Error (_bgdc ,"n\u0069l\u0020\u0070\u0061\u0067\u0065\u0020\u0069\u006ef\u006f\u0072\u006d\u0061ti\u006f\u006e");
};_baa ,_cagg :=_ggcd .GetSegmentData ();if _cagg !=nil {return 0,_df .Wrap (_cagg ,_bgdc ,"");};_dca ,_bedg :=_baa .(*_ae .PageInformationSegment );if !_bedg {return 0,_df .Errorf (_bgdc ,"\u0070\u0061\u0067\u0065\u0020\u0069n\u0066\u006f\u0072\u006d\u0061\u0074\u0069\u006f\u006e\u0020\u0073\u0065\u0067\u006d\u0065\u006e\u0074\u0020\u0069\u0073 \u006f\u0066\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0074\u0079\u0070e\u003a \u0027\u0025\u0054\u0027",_baa );
};_bdgd .ResolutionX =_dca .ResolutionX ;return _bdgd .ResolutionX ,nil ;};func (_ccd *Document )mapData ()error {const _fgc ="\u006da\u0070\u0044\u0061\u0074\u0061";var (_abdc []*_ae .Header ;_cfb int64 ;_bbfg _ae .Type ;);_dde ,_fb :=_ccd .isFileHeaderPresent ();
if _fb !=nil {return _df .Wrap (_fb ,_fgc ,"");};if _dde {if _fb =_ccd .parseFileHeader ();_fb !=nil {return _df .Wrap (_fb ,_fgc ,"");};_cfb +=int64 (_ccd ._e );_ccd .FullHeaders =true ;};var (_be *Page ;_defd bool ;);for _bbfg !=51&&!_defd {_efbb ,_bcb :=_ae .NewHeader (_ccd ,_ccd .InputStream ,_cfb ,_ccd .OrganizationType );
if _bcb !=nil {return _df .Wrap (_bcb ,_fgc ,"");};_a .Log .Trace ("\u0044\u0065c\u006f\u0064\u0069\u006eg\u0020\u0073e\u0067\u006d\u0065\u006e\u0074\u0020\u006e\u0075m\u0062\u0065\u0072\u003a\u0020\u0025\u0064\u002c\u0020\u0054\u0079\u0070e\u003a\u0020\u0025\u0073",_efbb .SegmentNumber ,_efbb .Type );
_bbfg =_efbb .Type ;if _bbfg !=_ae .TEndOfFile {if _efbb .PageAssociation !=0{_be =_ccd .Pages [_efbb .PageAssociation ];if _be ==nil {_be =_gegb (_ccd ,_efbb .PageAssociation );_ccd .Pages [_efbb .PageAssociation ]=_be ;if _ccd .NumberOfPagesUnknown {_ccd .NumberOfPages ++;
};};_be .Segments =append (_be .Segments ,_efbb );}else {_ccd .GlobalSegments .AddSegment (_efbb );};};_abdc =append (_abdc ,_efbb );_cfb =_ccd .InputStream .AbsolutePosition ();if _ccd .OrganizationType ==_ae .OSequential {_cfb +=int64 (_efbb .SegmentDataLength );
};_defd ,_bcb =_ccd .reachedEOF (_cfb );if _bcb !=nil {_a .Log .Debug ("\u006a\u0062\u0069\u0067\u0032 \u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074\u0020\u0072\u0065\u0061\u0063h\u0065\u0064\u0020\u0045\u004f\u0046\u0020\u0077\u0069\u0074\u0068\u0020\u0065\u0072\u0072\u006f\u0072\u003a\u0020\u0025\u0076",_bcb );
return _df .Wrap (_bcb ,_fgc ,"");};};_ccd .determineRandomDataOffsets (_abdc ,uint64 (_cfb ));return nil ;};type EncodingMethod int ;func (_bcd *Page )collectPageStripes ()(_cdba []_ae .Segmenter ,_cecg error ){const _dfe ="\u0063o\u006cl\u0065\u0063\u0074\u0050\u0061g\u0065\u0053t\u0072\u0069\u0070\u0065\u0073";
var _dgc _ae .Segmenter ;for _ ,_eabd :=range _bcd .Segments {switch _eabd .Type {case 6,7,22,23,38,39,42,43:_dgc ,_cecg =_eabd .GetSegmentData ();if _cecg !=nil {return nil ,_df .Wrap (_cecg ,_dfe ,"");};_cdba =append (_cdba ,_dgc );case 50:_dgc ,_cecg =_eabd .GetSegmentData ();
if _cecg !=nil {return nil ,_cecg ;};_bbd ,_fgf :=_dgc .(*_ae .EndOfStripe );if !_fgf {return nil ,_df .Errorf (_dfe ,"\u0045\u006e\u0064\u004f\u0066\u0053\u0074\u0072\u0069\u0070\u0065\u0020\u0069\u0073\u0020\u006e\u006f\u0074\u0020\u006f\u0066\u0020\u0076\u0061l\u0069\u0064\u0020\u0074\u0079p\u0065\u003a \u0027\u0025\u0054\u0027",_dgc );
};_cdba =append (_cdba ,_bbd );_bcd .FinalHeight =_bbd .LineNumber ();};};return _cdba ,nil ;};func (_fdeg *Document )nextPageNumber ()uint32 {_fdeg .NumberOfPages ++;return _fdeg .NumberOfPages };func (_cd *Document )AddClassifiedPage (bm *_ag .Bitmap ,method _b .Method )(_bb error ){const _ef ="\u0044\u006f\u0063\u0075\u006d\u0065\u006e\u0074\u002e\u0041\u0064d\u0043\u006c\u0061\u0073\u0073\u0069\u0066\u0069\u0065\u0064P\u0061\u0067\u0065";
if !_cd .FullHeaders &&_cd .NumberOfPages !=0{return _df .Error (_ef ,"\u0064\u006f\u0063\u0075\u006de\u006e\u0074\u0020\u0061\u006c\u0072\u0065a\u0064\u0079\u0020\u0063\u006f\u006e\u0074\u0061\u0069\u006e\u0073\u0020\u0070\u0061\u0067\u0065\u002e\u0020\u0046\u0069\u006c\u0065\u004d\u006f\u0064\u0065\u0020\u0064\u0069\u0073\u0061\u006c\u006c\u006f\u0077\u0073\u0020\u0061\u0064\u0064i\u006e\u0067\u0020\u006d\u006f\u0072\u0065\u0020\u0074\u0068\u0061\u006e \u006f\u006e\u0065\u0020\u0070\u0061g\u0065");
};if _cd .Classer ==nil {if _cd .Classer ,_bb =_b .Init (_b .DefaultSettings ());_bb !=nil {return _df .Wrap (_bb ,_ef ,"");};};_aec :=int (_cd .nextPageNumber ());_fe :=&Page {Segments :[]*_ae .Header {},Bitmap :bm ,Document :_cd ,FinalHeight :bm .Height ,FinalWidth :bm .Width ,PageNumber :_aec };
_cd .Pages [_aec ]=_fe ;switch method {case _b .RankHaus :_fe .EncodingMethod =RankHausEM ;case _b .Correlation :_fe .EncodingMethod =CorrelationEM ;};_fe .AddPageInformationSegment ();if _bb =_cd .Classer .AddPage (bm ,_aec ,method );_bb !=nil {return _df .Wrap (_bb ,_ef ,"");
};if _cd .FullHeaders {_fe .AddEndOfPageSegment ();};return nil ;};func (_ed *Document )addSymbolDictionary (_agb int ,_fgb *_ag .Bitmaps ,_bfb []int ,_ga map[int ]int ,_bc bool )(*_ae .Header ,error ){const _dfb ="\u0061\u0064\u0064\u0053ym\u0062\u006f\u006c\u0044\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079";
_fc :=&_ae .SymbolDictionary {};if _caf :=_fc .InitEncode (_fgb ,_bfb ,_ga ,_bc );_caf !=nil {return nil ,_caf ;};_gbe :=&_ae .Header {Type :_ae .TSymbolDictionary ,PageAssociation :_agb ,SegmentData :_fc };if _agb ==0{if _ed .GlobalSegments ==nil {_ed .GlobalSegments =&Globals {};
};_ed .GlobalSegments .AddSegment (_gbe );return _gbe ,nil ;};_gae ,_cdg :=_ed .Pages [_agb ];if !_cdg {return nil ,_df .Errorf (_dfb ,"p\u0061g\u0065\u003a\u0020\u0027\u0025\u0064\u0027\u0020n\u006f\u0074\u0020\u0066ou\u006e\u0064",_agb );};var (_dff int ;
_bfd *_ae .Header ;);for _dff ,_bfd =range _gae .Segments {if _bfd .Type ==_ae .TPageInformation {break ;};};_dff ++;_gae .Segments =append (_gae .Segments ,nil );copy (_gae .Segments [_dff +1:],_gae .Segments [_dff :]);_gae .Segments [_dff ]=_gbe ;return _gbe ,nil ;
};func (_bfe *Page )GetResolutionY ()(int ,error ){return _bfe .getResolutionY ()};func (_dbea *Page )createPage (_ggd *_ae .PageInformationSegment )error {var _aag error ;if !_ggd .IsStripe ||_ggd .PageBMHeight !=-1{_aag =_dbea .createNormalPage (_ggd );
}else {_aag =_dbea .createStripedPage (_ggd );};return _aag ;};func (_defb *Page )lastSegmentNumber ()(_ccde uint32 ,_egf error ){const _fce ="\u006c\u0061\u0073\u0074\u0053\u0065\u0067\u006d\u0065\u006e\u0074\u004eu\u006d\u0062\u0065\u0072";if len (_defb .Segments )==0{return _ccde ,_df .Errorf (_fce ,"\u006e\u006f\u0020se\u0067\u006d\u0065\u006e\u0074\u0073\u0020\u0066\u006fu\u006ed\u0020i\u006e \u0074\u0068\u0065\u0020\u0070\u0061\u0067\u0065\u0020\u0027\u0025\u0064\u0027",_defb .PageNumber );
};return _defb .Segments [len (_defb .Segments )-1].SegmentNumber ,nil ;};func (_ceg *Document )encodeSegment (_bde *_ae .Header ,_cee *int )error {const _ead ="\u0065\u006e\u0063\u006f\u0064\u0065\u0053\u0065\u0067\u006d\u0065\u006e\u0074";_bde .SegmentNumber =_ceg .nextSegmentNumber ();
_ad ,_ebe :=_bde .Encode (_ceg ._dfa );if _ebe !=nil {return _df .Wrapf (_ebe ,_ead ,"\u0073\u0065\u0067\u006d\u0065\u006e\u0074\u003a\u0020\u0027\u0025\u0064\u0027",_bde .SegmentNumber );};*_cee +=_ad ;return nil ;};type Document struct{Pages map[int ]*Page ;
NumberOfPagesUnknown bool ;NumberOfPages uint32 ;GBUseExtTemplate bool ;InputStream *_ac .Reader ;GlobalSegments *Globals ;OrganizationType _ae .OrganizationType ;Classer *_b .Classer ;XRes ,YRes int ;FullHeaders bool ;CurrentSegmentNumber uint32 ;AverageTemplates *_ag .Bitmaps ;
BaseIndexes []int ;Refinement bool ;RefineLevel int ;_e uint8 ;_dfa *_ac .BufferedWriter ;EncodeGlobals bool ;_cbc int ;_gb map[int ][]int ;_da map[int ][]int ;_ab []int ;_ea map[int ]int ;};const (GenericEM EncodingMethod =iota ;CorrelationEM ;RankHausEM ;
);func (_cdcf *Page )countRegions ()int {var _bdac int ;for _ ,_efae :=range _cdcf .Segments {switch _efae .Type {case 6,7,22,23,38,39,42,43:_bdac ++;};};return _bdac ;};func (_gag *Document )nextSegmentNumber ()uint32 {_dba :=_gag .CurrentSegmentNumber ;
_gag .CurrentSegmentNumber ++;return _dba ;};func (_dbe *Page )AddGenericRegion (bm *_ag .Bitmap ,xloc ,yloc ,template int ,tp _ae .Type ,duplicateLineRemoval bool )error {const _acgb ="P\u0061\u0067\u0065\u002eAd\u0064G\u0065\u006e\u0065\u0072\u0069c\u0052\u0065\u0067\u0069\u006f\u006e";
_cegb :=&_ae .GenericRegion {};if _aede :=_cegb .InitEncode (bm ,xloc ,yloc ,template ,duplicateLineRemoval );_aede !=nil {return _df .Wrap (_aede ,_acgb ,"");};_cgd :=&_ae .Header {Type :_ae .TImmediateGenericRegion ,PageAssociation :_dbe .PageNumber ,SegmentData :_cegb };
_dbe .Segments =append (_dbe .Segments ,_cgd );return nil ;};func DecodeDocument (input *_ac .Reader ,globals *Globals )(*Document ,error ){return _dbg (input ,globals );};var _gg =[]byte {0x97,0x4A,0x42,0x32,0x0D,0x0A,0x1A,0x0A};func (_dg *Document )AddGenericPage (bm *_ag .Bitmap ,duplicateLineRemoval bool )(_aef error ){const _gc ="\u0044\u006f\u0063um\u0065\u006e\u0074\u002e\u0041\u0064\u0064\u0047\u0065\u006e\u0065\u0072\u0069\u0063\u0050\u0061\u0067\u0065";
if !_dg .FullHeaders &&_dg .NumberOfPages !=0{return _df .Error (_gc ,"\u0064\u006f\u0063\u0075\u006de\u006e\u0074\u0020\u0061\u006c\u0072\u0065a\u0064\u0079\u0020\u0063\u006f\u006e\u0074\u0061\u0069\u006e\u0073\u0020\u0070\u0061\u0067\u0065\u002e\u0020\u0046\u0069\u006c\u0065\u004d\u006f\u0064\u0065\u0020\u0064\u0069\u0073\u0061\u006c\u006c\u006f\u0077\u0073\u0020\u0061\u0064\u0064i\u006e\u0067\u0020\u006d\u006f\u0072\u0065\u0020\u0074\u0068\u0061\u006e \u006f\u006e\u0065\u0020\u0070\u0061g\u0065");
};_abe :=&Page {Segments :[]*_ae .Header {},Bitmap :bm ,Document :_dg ,FinalHeight :bm .Height ,FinalWidth :bm .Width ,IsLossless :true ,BlackIsOne :bm .Color ==_ag .Chocolate };_abe .PageNumber =int (_dg .nextPageNumber ());_dg .Pages [_abe .PageNumber ]=_abe ;
bm .InverseData ();_abe .AddPageInformationSegment ();if _aef =_abe .AddGenericRegion (bm ,0,0,0,_ae .TImmediateGenericRegion ,duplicateLineRemoval );_aef !=nil {return _df .Wrap (_aef ,_gc ,"");};if _dg .FullHeaders {_abe .AddEndOfPageSegment ();};return nil ;
};func (_af *Document )GetPage (pageNumber int )(_ae .Pager ,error ){const _cfd ="\u0044\u006fc\u0075\u006d\u0065n\u0074\u002e\u0047\u0065\u0074\u0050\u0061\u0067\u0065";if pageNumber < 0{_a .Log .Debug ("\u004a\u0042\u0049\u00472\u0020\u0050\u0061\u0067\u0065\u0020\u002d\u0020\u0047e\u0074\u0050\u0061\u0067\u0065\u003a\u0020\u0025\u0064\u002e\u0020\u0050\u0061\u0067\u0065\u0020\u0063\u0061n\u006e\u006f\u0074\u0020\u0062e\u0020\u006c\u006f\u0077\u0065\u0072\u0020\u0074\u0068\u0061\u006e\u0020\u0030\u002e\u0020\u0025\u0073",pageNumber ,_f .Stack ());
return nil ,_df .Errorf (_cfd ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u006a\u0062\u0069\u0067\u0032\u0020d\u006f\u0063\u0075\u006d\u0065\u006e\u0074\u0020\u002d\u0020\u0070\u0072\u006f\u0076\u0069\u0064\u0065\u0064 \u0069\u006e\u0076\u0061\u006ci\u0064\u0020\u0070\u0061\u0067\u0065\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u003a\u0020\u0025\u0064",pageNumber );
};if pageNumber > len (_af .Pages ){_a .Log .Debug ("\u0050\u0061\u0067\u0065 n\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u003a\u0020\u0025\u0064\u002e\u0020%\u0073",pageNumber ,_f .Stack ());return nil ,_df .Error (_cfd ,"\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0064\u006f\u0063\u0075\u006d\u0065n\u0074\u0020\u002d\u0020\u0070\u0061\u0067\u0065\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");
};_gfb ,_caff :=_af .Pages [pageNumber ];if !_caff {_a .Log .Debug ("\u0050\u0061\u0067\u0065 n\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u003a\u0020\u0025\u0064\u002e\u0020%\u0073",pageNumber ,_f .Stack ());return nil ,_df .Errorf (_cfd ,"\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0064\u006f\u0063\u0075\u006d\u0065n\u0074\u0020\u002d\u0020\u0070\u0061\u0067\u0065\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");
};return _gfb ,nil ;};func (_bfg *Document )encodeFileHeader (_efac _ac .BinaryWriter )(_dbb int ,_ada error ){const _aba ="\u0065\u006ec\u006f\u0064\u0065F\u0069\u006c\u0065\u0048\u0065\u0061\u0064\u0065\u0072";_dbb ,_ada =_efac .Write (_gg );if _ada !=nil {return _dbb ,_df .Wrap (_ada ,_aba ,"\u0069\u0064");
};if _ada =_efac .WriteByte (0x01);_ada !=nil {return _dbb ,_df .Wrap (_ada ,_aba ,"\u0066\u006c\u0061g\u0073");};_dbb ++;_dgd :=make ([]byte ,4);_d .BigEndian .PutUint32 (_dgd ,_bfg .NumberOfPages );_ebbg ,_ada :=_efac .Write (_dgd );if _ada !=nil {return _ebbg ,_df .Wrap (_ada ,_aba ,"p\u0061\u0067\u0065\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
};_dbb +=_ebbg ;return _dbb ,nil ;};func (_bbf *Document )isFileHeaderPresent ()(bool ,error ){_bbf .InputStream .Mark ();for _ ,_ebbgc :=range _gg {_bfdc ,_eeg :=_bbf .InputStream .ReadByte ();if _eeg !=nil {return false ,_eeg ;};if _ebbgc !=_bfdc {_bbf .InputStream .Reset ();
return false ,nil ;};};_bbf .InputStream .Reset ();return true ,nil ;};func (_aaf *Page )clearSegmentData (){for _ggcg :=range _aaf .Segments {_aaf .Segments [_ggcg ].CleanSegmentData ();};};func _dc (_fde int )int {_dac :=0;_de :=(_fde &(_fde -1))==0;
_fde >>=1;for ;_fde !=0;_fde >>=1{_dac ++;};if _de {return _dac ;};return _dac +1;};