github.com/unidoc/unipdf/v3@v3.55.0/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.
//
// Use of this source code is governed by the UniDoc End User License Agreement
// terms that can be accessed at https://unidoc.io/eula/

package document ;import (_b "encoding/binary";_g "fmt";_cb "github.com/unidoc/unipdf/v3/common";_a "github.com/unidoc/unipdf/v3/internal/bitwise";_eg "github.com/unidoc/unipdf/v3/internal/jbig2/basic";_ff "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";
_ca "github.com/unidoc/unipdf/v3/internal/jbig2/document/segments";_d "github.com/unidoc/unipdf/v3/internal/jbig2/encoder/classer";_gd "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_fe "io";_f "math";_c "runtime/debug";);func _gad (_dee *Document ,_fde int )*Page {return &Page {Document :_dee ,PageNumber :_fde ,Segments :[]*_ca .Header {}};
};func (_gaa *Document )determineRandomDataOffsets (_eee []*_ca .Header ,_ggb uint64 ){if _gaa .OrganizationType !=_ca .ORandom {return ;};for _ ,_gbc :=range _eee {_gbc .SegmentDataStartOffset =_ggb ;_ggb +=_gbc .SegmentDataLength ;};};func InitEncodeDocument (fullHeaders bool )*Document {return &Document {FullHeaders :fullHeaders ,_fc :_a .BufferedMSB (),Pages :map[int ]*Page {},_egf :map[int ][]int {},_ad :map[int ]int {},_ac :map[int ][]int {}};
};func (_fag *Page )GetSegment (number int )(*_ca .Header ,error ){const _cgg ="\u0050a\u0067e\u002e\u0047\u0065\u0074\u0053\u0065\u0067\u006d\u0065\u006e\u0074";for _ ,_edd :=range _fag .Segments {if _edd .SegmentNumber ==uint32 (number ){return _edd ,nil ;
};};_daf :=make ([]uint32 ,len (_fag .Segments ));for _bdfb ,_ccd :=range _fag .Segments {_daf [_bdfb ]=_ccd .SegmentNumber ;};return nil ,_gd .Errorf (_cgg ,"\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 ,_fag .PageNumber ,_daf );
};func (_agdd *Page )AddGenericRegion (bm *_ff .Bitmap ,xloc ,yloc ,template int ,tp _ca .Type ,duplicateLineRemoval bool )error {const _cca ="P\u0061\u0067\u0065\u002eAd\u0064G\u0065\u006e\u0065\u0072\u0069c\u0052\u0065\u0067\u0069\u006f\u006e";_cbd :=&_ca .GenericRegion {};
if _feg :=_cbd .InitEncode (bm ,xloc ,yloc ,template ,duplicateLineRemoval );_feg !=nil {return _gd .Wrap (_feg ,_cca ,"");};_afg :=&_ca .Header {Type :_ca .TImmediateGenericRegion ,PageAssociation :_agdd .PageNumber ,SegmentData :_cbd };_agdd .Segments =append (_agdd .Segments ,_afg );
return nil ;};func (_ecgce *Page )getPageInformationSegment ()*_ca .Header {for _ ,_egg :=range _ecgce .Segments {if _egg .Type ==_ca .TPageInformation {return _egg ;};};_cb .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",_ecgce );
return nil ;};func (_ec *Document )parseFileHeader ()error {const _bcfd ="\u0070a\u0072s\u0065\u0046\u0069\u006c\u0065\u0048\u0065\u0061\u0064\u0065\u0072";_ ,_gbba :=_ec .InputStream .Seek (8,_fe .SeekStart );if _gbba !=nil {return _gd .Wrap (_gbba ,_bcfd ,"\u0069\u0064");
};_ ,_gbba =_ec .InputStream .ReadBits (5);if _gbba !=nil {return _gd .Wrap (_gbba ,_bcfd ,"\u0072\u0065\u0073\u0065\u0072\u0076\u0065\u0064\u0020\u0062\u0069\u0074\u0073");};_fbe ,_gbba :=_ec .InputStream .ReadBit ();if _gbba !=nil {return _gd .Wrap (_gbba ,_bcfd ,"\u0065x\u0074e\u006e\u0064\u0065\u0064\u0020t\u0065\u006dp\u006c\u0061\u0074\u0065\u0073");
};if _fbe ==1{_ec .GBUseExtTemplate =true ;};_fbe ,_gbba =_ec .InputStream .ReadBit ();if _gbba !=nil {return _gd .Wrap (_gbba ,_bcfd ,"\u0075\u006e\u006b\u006eow\u006e\u0020\u0070\u0061\u0067\u0065\u0020\u006e\u0075\u006d\u0062\u0065\u0072");};if _fbe !=1{_ec .NumberOfPagesUnknown =false ;
};_fbe ,_gbba =_ec .InputStream .ReadBit ();if _gbba !=nil {return _gd .Wrap (_gbba ,_bcfd ,"\u006f\u0072\u0067\u0061\u006e\u0069\u007a\u0061\u0074\u0069\u006f\u006e \u0074\u0079\u0070\u0065");};_ec .OrganizationType =_ca .OrganizationType (_fbe );if !_ec .NumberOfPagesUnknown {_ec .NumberOfPages ,_gbba =_ec .InputStream .ReadUint32 ();
if _gbba !=nil {return _gd .Wrap (_gbba ,_bcfd ,"\u006eu\u006db\u0065\u0072\u0020\u006f\u0066\u0020\u0070\u0061\u0067\u0065\u0073");};_ec ._ggg =13;};return nil ;};func (_ffcdb *Page )Encode (w _a .BinaryWriter )(_ebb int ,_eabb error ){const _acg ="P\u0061\u0067\u0065\u002e\u0045\u006e\u0063\u006f\u0064\u0065";
var _eaa int ;for _ ,_eba :=range _ffcdb .Segments {if _eaa ,_eabb =_eba .Encode (w );_eabb !=nil {return _ebb ,_gd .Wrap (_eabb ,_acg ,"");};_ebb +=_eaa ;};return _ebb ,nil ;};func (_efaa *Document )encodeFileHeader (_de _a .BinaryWriter )(_fbd int ,_fba error ){const _dad ="\u0065\u006ec\u006f\u0064\u0065F\u0069\u006c\u0065\u0048\u0065\u0061\u0064\u0065\u0072";
_fbd ,_fba =_de .Write (_gg );if _fba !=nil {return _fbd ,_gd .Wrap (_fba ,_dad ,"\u0069\u0064");};if _fba =_de .WriteByte (0x01);_fba !=nil {return _fbd ,_gd .Wrap (_fba ,_dad ,"\u0066\u006c\u0061g\u0073");};_fbd ++;_gfc :=make ([]byte ,4);_b .BigEndian .PutUint32 (_gfc ,_efaa .NumberOfPages );
_acc ,_fba :=_de .Write (_gfc );if _fba !=nil {return _acc ,_gd .Wrap (_fba ,_dad ,"p\u0061\u0067\u0065\u0020\u006e\u0075\u006d\u0062\u0065\u0072");};_fbd +=_acc ;return _fbd ,nil ;};func (_aca *Document )completeClassifiedPages ()(_ab error ){const _bg ="\u0063\u006f\u006dpl\u0065\u0074\u0065\u0043\u006c\u0061\u0073\u0073\u0069\u0066\u0069\u0065\u0064\u0050\u0061\u0067\u0065\u0073";
if _aca .Classer ==nil {return nil ;};_aca ._ffa =make ([]int ,_aca .Classer .UndilatedTemplates .Size ());for _be :=0;_be < _aca .Classer .ClassIDs .Size ();_be ++{_fcb ,_ee :=_aca .Classer .ClassIDs .Get (_be );if _ee !=nil {return _gd .Wrapf (_ee ,_bg ,"\u0063\u006c\u0061\u0073s \u0077\u0069\u0074\u0068\u0020\u0069\u0064\u003a\u0020\u0027\u0025\u0064\u0027",_be );
};_aca ._ffa [_fcb ]++;};var _feb []int ;for _bf :=0;_bf < _aca .Classer .UndilatedTemplates .Size ();_bf ++{if _aca .NumberOfPages ==1||_aca ._ffa [_bf ]> 1{_feb =append (_feb ,_bf );};};var (_cg *Page ;_df bool ;);for _bcf ,_ef :=range *_aca .Classer .ComponentPageNumbers {if _cg ,_df =_aca .Pages [_ef ];
!_df {return _gd .Errorf (_bg ,"p\u0061g\u0065\u003a\u0020\u0027\u0025\u0064\u0027\u0020n\u006f\u0074\u0020\u0066ou\u006e\u0064",_bcf );};if _cg .EncodingMethod ==GenericEM {_cb .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",_bcf );
continue ;};_aca ._ac [_ef ]=append (_aca ._ac [_ef ],_bcf );_bdf ,_dfd :=_aca .Classer .ClassIDs .Get (_bcf );if _dfd !=nil {return _gd .Wrapf (_dfd ,_bg ,"\u006e\u006f\u0020\u0073uc\u0068\u0020\u0063\u006c\u0061\u0073\u0073\u0049\u0044\u003a\u0020\u0025\u0064",_bcf );
};if _aca ._ffa [_bdf ]==1&&_aca .NumberOfPages !=1{_cfe :=append (_aca ._egf [_ef ],_bdf );_aca ._egf [_ef ]=_cfe ;};};if _ab =_aca .Classer .ComputeLLCorners ();_ab !=nil {return _gd .Wrap (_ab ,_bg ,"");};if _ ,_ab =_aca .addSymbolDictionary (0,_aca .Classer .UndilatedTemplates ,_feb ,_aca ._ad ,false );
_ab !=nil {return _gd .Wrap (_ab ,_bg ,"");};return nil ;};func (_ccb *Document )Encode ()(_fdc []byte ,_dga error ){const _bbg ="\u0044o\u0063u\u006d\u0065\u006e\u0074\u002e\u0045\u006e\u0063\u006f\u0064\u0065";var _aga ,_eaf int ;if _ccb .FullHeaders {if _aga ,_dga =_ccb .encodeFileHeader (_ccb ._fc );
_dga !=nil {return nil ,_gd .Wrap (_dga ,_bbg ,"");};};var (_fga bool ;_bfe *_ca .Header ;_gab *Page ;);if _dga =_ccb .completeClassifiedPages ();_dga !=nil {return nil ,_gd .Wrap (_dga ,_bbg ,"");};if _dga =_ccb .produceClassifiedPages ();_dga !=nil {return nil ,_gd .Wrap (_dga ,_bbg ,"");
};if _ccb .GlobalSegments !=nil {for _ ,_bfe =range _ccb .GlobalSegments .Segments {if _dga =_ccb .encodeSegment (_bfe ,&_aga );_dga !=nil {return nil ,_gd .Wrap (_dga ,_bbg ,"");};};};for _bad :=1;_bad <=int (_ccb .NumberOfPages );_bad ++{if _gab ,_fga =_ccb .Pages [_bad ];
!_fga {return nil ,_gd .Errorf (_bbg ,"p\u0061g\u0065\u003a\u0020\u0027\u0025\u0064\u0027\u0020n\u006f\u0074\u0020\u0066ou\u006e\u0064",_bad );};for _ ,_bfe =range _gab .Segments {if _dga =_ccb .encodeSegment (_bfe ,&_aga );_dga !=nil {return nil ,_gd .Wrap (_dga ,_bbg ,"");
};};};if _ccb .FullHeaders {if _eaf ,_dga =_ccb .encodeEOFHeader (_ccb ._fc );_dga !=nil {return nil ,_gd .Wrap (_dga ,_bbg ,"");};_aga +=_eaf ;};_fdc =_ccb ._fc .Data ();if len (_fdc )!=_aga {_cb .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",_aga ,len (_fdc ));
};return _fdc ,nil ;};func (_gded *Page )getCombinationOperator (_ebag *_ca .PageInformationSegment ,_dadc _ff .CombinationOperator )_ff .CombinationOperator {if _ebag .CombinationOperatorOverrideAllowed (){return _dadc ;};return _ebag .CombinationOperator ();
};func (_gdd *Page )GetResolutionX ()(int ,error ){return _gdd .getResolutionX ()};func (_gbdb *Page )GetHeight ()(int ,error ){return _gbdb .getHeight ()};type Page struct{Segments []*_ca .Header ;PageNumber int ;Bitmap *_ff .Bitmap ;FinalHeight int ;
FinalWidth int ;ResolutionX int ;ResolutionY int ;IsLossless bool ;Document *Document ;FirstSegmentNumber int ;EncodingMethod EncodingMethod ;BlackIsOne bool ;};func (_ege *Document )encodeSegment (_cdb *_ca .Header ,_bce *int )error {const _aa ="\u0065\u006e\u0063\u006f\u0064\u0065\u0053\u0065\u0067\u006d\u0065\u006e\u0074";
_cdb .SegmentNumber =_ege .nextSegmentNumber ();_dac ,_dgc :=_cdb .Encode (_ege ._fc );if _dgc !=nil {return _gd .Wrapf (_dgc ,_aa ,"\u0073\u0065\u0067\u006d\u0065\u006e\u0074\u003a\u0020\u0027\u0025\u0064\u0027",_cdb .SegmentNumber );};*_bce +=_dac ;return nil ;
};func (_ddd *Page )nextSegmentNumber ()uint32 {return _ddd .Document .nextSegmentNumber ()};func (_ecgf *Page )fitsPage (_fef *_ca .PageInformationSegment ,_baea *_ff .Bitmap )bool {return _ecgf .countRegions ()==1&&_fef .DefaultPixelValue ==0&&_fef .PageBMWidth ==_baea .Width &&_fef .PageBMHeight ==_baea .Height ;
};func (_gcf *Document )mapData ()error {const _ccf ="\u006da\u0070\u0044\u0061\u0074\u0061";var (_cfc []*_ca .Header ;_gbd int64 ;_eab _ca .Type ;);_eag ,_dfb :=_gcf .isFileHeaderPresent ();if _dfb !=nil {return _gd .Wrap (_dfb ,_ccf ,"");};if _eag {if _dfb =_gcf .parseFileHeader ();
_dfb !=nil {return _gd .Wrap (_dfb ,_ccf ,"");};_gbd +=int64 (_gcf ._ggg );_gcf .FullHeaders =true ;};var (_eabg *Page ;_ffgb bool ;);for _eab !=51&&!_ffgb {_ffgbd ,_fdf :=_ca .NewHeader (_gcf ,_gcf .InputStream ,_gbd ,_gcf .OrganizationType );if _fdf !=nil {return _gd .Wrap (_fdf ,_ccf ,"");
};_cb .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",_ffgbd .SegmentNumber ,_ffgbd .Type );
_eab =_ffgbd .Type ;if _eab !=_ca .TEndOfFile {if _ffgbd .PageAssociation !=0{_eabg =_gcf .Pages [_ffgbd .PageAssociation ];if _eabg ==nil {_eabg =_gad (_gcf ,_ffgbd .PageAssociation );_gcf .Pages [_ffgbd .PageAssociation ]=_eabg ;if _gcf .NumberOfPagesUnknown {_gcf .NumberOfPages ++;
};};_eabg .Segments =append (_eabg .Segments ,_ffgbd );}else {_gcf .GlobalSegments .AddSegment (_ffgbd );};};_cfc =append (_cfc ,_ffgbd );_gbd =_gcf .InputStream .AbsolutePosition ();if _gcf .OrganizationType ==_ca .OSequential {_gbd +=int64 (_ffgbd .SegmentDataLength );
};_ffgb ,_fdf =_gcf .reachedEOF (_gbd );if _fdf !=nil {_cb .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",_fdf );
return _gd .Wrap (_fdf ,_ccf ,"");};};_gcf .determineRandomDataOffsets (_cfc ,uint64 (_gbd ));return nil ;};func (_cee *Page )String ()string {return _g .Sprintf ("\u0050\u0061\u0067\u0065\u0020\u0023\u0025\u0064",_cee .PageNumber );};func (_dfbe *Globals )GetSymbolDictionary ()(*_ca .Header ,error ){const _gda ="G\u006c\u006f\u0062\u0061\u006c\u0073.\u0047\u0065\u0074\u0053\u0079\u006d\u0062\u006f\u006cD\u0069\u0063\u0074i\u006fn\u0061\u0072\u0079";
if _dfbe ==nil {return nil ,_gd .Error (_gda ,"\u0067\u006c\u006f\u0062al\u0073\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006e\u0065\u0064");};if len (_dfbe .Segments )==0{return nil ,_gd .Error (_gda ,"\u0067\u006c\u006f\u0062\u0061\u006c\u0073\u0020\u0061\u0072\u0065\u0020e\u006d\u0070\u0074\u0079");
};for _ ,_bef :=range _dfbe .Segments {if _bef .Type ==_ca .TSymbolDictionary {return _bef ,nil ;};};return nil ,_gd .Error (_gda ,"\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 (_dde *Page )createStripedPage (_ceee *_ca .PageInformationSegment )error {const _fad ="\u0063\u0072\u0065\u0061\u0074\u0065\u0053\u0074\u0072\u0069\u0070\u0065d\u0050\u0061\u0067\u0065";_ffgc ,_ead :=_dde .collectPageStripes ();if _ead !=nil {return _gd .Wrap (_ead ,_fad ,"");
};var _dbb int ;for _ ,_fggg :=range _ffgc {if _dgba ,_gcc :=_fggg .(*_ca .EndOfStripe );_gcc {_dbb =_dgba .LineNumber ()+1;}else {_cdc :=_fggg .(_ca .Regioner );_abce :=_cdc .GetRegionInfo ();_cgc :=_dde .getCombinationOperator (_ceee ,_abce .CombinaionOperator );
_cbgb ,_dfe :=_cdc .GetRegionBitmap ();if _dfe !=nil {return _gd .Wrap (_dfe ,_fad ,"");};_dfe =_ff .Blit (_cbgb ,_dde .Bitmap ,int (_abce .XLocation ),_dbb ,_cgc );if _dfe !=nil {return _gd .Wrap (_dfe ,_fad ,"");};};};return nil ;};func (_acd *Document )isFileHeaderPresent ()(bool ,error ){_acd .InputStream .Mark ();
for _ ,_bfb :=range _gg {_eed ,_bdd :=_acd .InputStream .ReadByte ();if _bdd !=nil {return false ,_bdd ;};if _bfb !=_eed {_acd .InputStream .Reset ();return false ,nil ;};};_acd .InputStream .Reset ();return true ,nil ;};func (_ded *Globals )GetSegment (segmentNumber int )(*_ca .Header ,error ){const _eeg ="\u0047l\u006fb\u0061\u006c\u0073\u002e\u0047e\u0074\u0053e\u0067\u006d\u0065\u006e\u0074";
if _ded ==nil {return nil ,_gd .Error (_eeg ,"\u0067\u006c\u006f\u0062al\u0073\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006e\u0065\u0064");};if len (_ded .Segments )==0{return nil ,_gd .Error (_eeg ,"\u0067\u006c\u006f\u0062\u0061\u006c\u0073\u0020\u0061\u0072\u0065\u0020e\u006d\u0070\u0074\u0079");
};var _ffac *_ca .Header ;for _ ,_ffac =range _ded .Segments {if _ffac .SegmentNumber ==uint32 (segmentNumber ){break ;};};if _ffac ==nil {return nil ,_gd .Error (_eeg ,"\u0073\u0065\u0067\u006d\u0065\u006e\u0074\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");
};return _ffac ,nil ;};func (_baaa *Page )GetWidth ()(int ,error ){return _baaa .getWidth ()};func (_dcd *Globals )GetSegmentByIndex (index int )(*_ca .Header ,error ){const _cbf ="\u0047l\u006f\u0062\u0061\u006cs\u002e\u0047\u0065\u0074\u0053e\u0067m\u0065n\u0074\u0042\u0079\u0049\u006e\u0064\u0065x";
if _dcd ==nil {return nil ,_gd .Error (_cbf ,"\u0067\u006c\u006f\u0062al\u0073\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006e\u0065\u0064");};if len (_dcd .Segments )==0{return nil ,_gd .Error (_cbf ,"\u0067\u006c\u006f\u0062\u0061\u006c\u0073\u0020\u0061\u0072\u0065\u0020e\u006d\u0070\u0074\u0079");
};if index > len (_dcd .Segments )-1{return nil ,_gd .Error (_cbf ,"\u0069n\u0064e\u0078\u0020\u006f\u0075\u0074 \u006f\u0066 \u0072\u0061\u006e\u0067\u0065");};return _dcd .Segments [index ],nil ;};func (_ffg *Document )produceClassifiedPage (_bedc *Page ,_bff *_ca .Header )(_eda error ){const _gb ="p\u0072\u006f\u0064\u0075ce\u0043l\u0061\u0073\u0073\u0069\u0066i\u0065\u0064\u0050\u0061\u0067\u0065";
var _ffc map[int ]int ;_gbb :=_ffg ._gf ;_da :=[]*_ca .Header {_bff };if len (_ffg ._egf [_bedc .PageNumber ])> 0{_ffc =map[int ]int {};_cce ,_bab :=_ffg .addSymbolDictionary (_bedc .PageNumber ,_ffg .Classer .UndilatedTemplates ,_ffg ._egf [_bedc .PageNumber ],_ffc ,false );
if _bab !=nil {return _gd .Wrap (_bab ,_gb ,"");};_da =append (_da ,_cce );_gbb +=len (_ffg ._egf [_bedc .PageNumber ]);};_fae :=_ffg ._ac [_bedc .PageNumber ];_cb .Log .Debug ("P\u0061g\u0065\u003a\u0020\u0027\u0025\u0064\u0027\u0020c\u006f\u006d\u0070\u0073: \u0025\u0076",_bedc .PageNumber ,_fae );
_bedc .addTextRegionSegment (_da ,_ffg ._ad ,_ffc ,_ffg ._ac [_bedc .PageNumber ],_ffg .Classer .PtaLL ,_ffg .Classer .UndilatedTemplates ,_ffg .Classer .ClassIDs ,nil ,_ea (_gbb ),len (_ffg ._ac [_bedc .PageNumber ]));return nil ;};func (_gcg *Document )addSymbolDictionary (_gcgg int ,_ge *_ff .Bitmaps ,_bea []int ,_cbb map[int ]int ,_eb bool )(*_ca .Header ,error ){const _ga ="\u0061\u0064\u0064\u0053ym\u0062\u006f\u006c\u0044\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079";
_abc :=&_ca .SymbolDictionary {};if _cd :=_abc .InitEncode (_ge ,_bea ,_cbb ,_eb );_cd !=nil {return nil ,_cd ;};_fg :=&_ca .Header {Type :_ca .TSymbolDictionary ,PageAssociation :_gcgg ,SegmentData :_abc };if _gcgg ==0{if _gcg .GlobalSegments ==nil {_gcg .GlobalSegments =&Globals {};
};_gcg .GlobalSegments .AddSegment (_fg );return _fg ,nil ;};_dc ,_abf :=_gcg .Pages [_gcgg ];if !_abf {return nil ,_gd .Errorf (_ga ,"p\u0061g\u0065\u003a\u0020\u0027\u0025\u0064\u0027\u0020n\u006f\u0074\u0020\u0066ou\u006e\u0064",_gcgg );};var (_ace int ;
_baa *_ca .Header ;);for _ace ,_baa =range _dc .Segments {if _baa .Type ==_ca .TPageInformation {break ;};};_ace ++;_dc .Segments =append (_dc .Segments ,nil );copy (_dc .Segments [_ace +1:],_dc .Segments [_ace :]);_dc .Segments [_ace ]=_fg ;return _fg ,nil ;
};func (_fac *Document )encodeEOFHeader (_bde _a .BinaryWriter )(_ffcd int ,_bfdd error ){_ged :=&_ca .Header {SegmentNumber :_fac .nextSegmentNumber (),Type :_ca .TEndOfFile };if _ffcd ,_bfdd =_ged .Encode (_bde );_bfdd !=nil {return 0,_gd .Wrap (_bfdd ,"\u0065n\u0063o\u0064\u0065\u0045\u004f\u0046\u0048\u0065\u0061\u0064\u0065\u0072","");
};return _ffcd ,nil ;};type EncodingMethod int ;type Globals struct{Segments []*_ca .Header ;};var _gg =[]byte {0x97,0x4A,0x42,0x32,0x0D,0x0A,0x1A,0x0A};func (_efa *Document )completeSymbols ()(_af error ){const _ebg ="\u0063o\u006dp\u006c\u0065\u0074\u0065\u0053\u0079\u006d\u0062\u006f\u006c\u0073";
if _efa .Classer ==nil {return nil ;};if _efa .Classer .UndilatedTemplates ==nil {return _gd .Error (_ebg ,"\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");
};_gge :=len (_efa .Pages )==1;_adb :=make ([]int ,_efa .Classer .UndilatedTemplates .Size ());var _ce int ;for _abg :=0;_abg < _efa .Classer .ClassIDs .Size ();_abg ++{_ce ,_af =_efa .Classer .ClassIDs .Get (_abg );if _af !=nil {return _gd .Wrap (_af ,_ebg ,"\u0063\u006c\u0061\u0073\u0073\u0020\u0049\u0044\u0027\u0073");
};_adb [_ce ]++;};var _bb []int ;for _bgd :=0;_bgd < _efa .Classer .UndilatedTemplates .Size ();_bgd ++{if _adb [_bgd ]==0{return _gd .Error (_ebg ,"\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 _adb [_bgd ]> 1||_gge {_bb =append (_bb ,_bgd );};};_efa ._gf =len (_bb );var _fca ,_bda int ;for _bcc :=0;_bcc < _efa .Classer .ComponentPageNumbers .Size ();_bcc ++{_fca ,_af =_efa .Classer .ComponentPageNumbers .Get (_bcc );if _af !=nil {return _gd .Wrapf (_af ,_ebg ,"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",_bcc );
};_bda ,_af =_efa .Classer .ClassIDs .Get (_bcc );if _af !=nil {return _gd .Wrapf (_af ,_ebg ,"\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",_fca );
};if _adb [_bda ]==1&&!_gge {_efa ._egf [_fca ]=append (_efa ._egf [_fca ],_bda );};};if _af =_efa .Classer .ComputeLLCorners ();_af !=nil {return _gd .Wrap (_af ,_ebg ,"");};return nil ;};func (_bba *Document )nextPageNumber ()uint32 {_bba .NumberOfPages ++;
return _bba .NumberOfPages };func (_agec *Page )GetResolutionY ()(int ,error ){return _agec .getResolutionY ()};func (_dge *Document )nextSegmentNumber ()uint32 {_ebd :=_dge .CurrentSegmentNumber ;_dge .CurrentSegmentNumber ++;return _ebd ;};func (_daa *Page )collectPageStripes ()(_gabd []_ca .Segmenter ,_cgfg error ){const _dbdg ="\u0063o\u006cl\u0065\u0063\u0074\u0050\u0061g\u0065\u0053t\u0072\u0069\u0070\u0065\u0073";
var _ecd _ca .Segmenter ;for _ ,_ebab :=range _daa .Segments {switch _ebab .Type {case 6,7,22,23,38,39,42,43:_ecd ,_cgfg =_ebab .GetSegmentData ();if _cgfg !=nil {return nil ,_gd .Wrap (_cgfg ,_dbdg ,"");};_gabd =append (_gabd ,_ecd );case 50:_ecd ,_cgfg =_ebab .GetSegmentData ();
if _cgfg !=nil {return nil ,_cgfg ;};_bbgb ,_gfcc :=_ecd .(*_ca .EndOfStripe );if !_gfcc {return nil ,_gd .Errorf (_dbdg ,"\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",_ecd );
};_gabd =append (_gabd ,_bbgb );_daa .FinalHeight =_bbgb .LineNumber ();};};return _gabd ,nil ;};func (_cbde *Page )AddPageInformationSegment (){_fggc :=&_ca .PageInformationSegment {PageBMWidth :_cbde .FinalWidth ,PageBMHeight :_cbde .FinalHeight ,ResolutionX :_cbde .ResolutionX ,ResolutionY :_cbde .ResolutionY ,IsLossless :_cbde .IsLossless };
if _cbde .BlackIsOne {_fggc .DefaultPixelValue =uint8 (0x1);};_efag :=&_ca .Header {PageAssociation :_cbde .PageNumber ,SegmentDataLength :uint64 (_fggc .Size ()),SegmentData :_fggc ,Type :_ca .TPageInformation };_cbde .Segments =append (_cbde .Segments ,_efag );
};func (_beef *Page )getResolutionX ()(int ,error ){const _geg ="\u0067\u0065\u0074\u0052\u0065\u0073\u006f\u006c\u0075t\u0069\u006f\u006e\u0058";if _beef .ResolutionX !=0{return _beef .ResolutionX ,nil ;};_fgbf :=_beef .getPageInformationSegment ();if _fgbf ==nil {return 0,_gd .Error (_geg ,"n\u0069l\u0020\u0070\u0061\u0067\u0065\u0020\u0069\u006ef\u006f\u0072\u006d\u0061ti\u006f\u006e");
};_abd ,_fge :=_fgbf .GetSegmentData ();if _fge !=nil {return 0,_gd .Wrap (_fge ,_geg ,"");};_bbef ,_gfb :=_abd .(*_ca .PageInformationSegment );if !_gfb {return 0,_gd .Errorf (_geg ,"\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",_abd );
};_beef .ResolutionX =_bbef .ResolutionX ;return _beef .ResolutionX ,nil ;};func (_ag *Document )produceClassifiedPages ()(_cfg error ){const _bed ="\u0070\u0072\u006f\u0064uc\u0065\u0043\u006c\u0061\u0073\u0073\u0069\u0066\u0069\u0065\u0064\u0050\u0061\u0067e\u0073";
if _ag .Classer ==nil {return nil ;};var (_bae *Page ;_fa bool ;_baeg *_ca .Header ;);for _gggf :=1;_gggf <=int (_ag .NumberOfPages );_gggf ++{if _bae ,_fa =_ag .Pages [_gggf ];!_fa {return _gd .Errorf (_bed ,"p\u0061g\u0065\u003a\u0020\u0027\u0025\u0064\u0027\u0020n\u006f\u0074\u0020\u0066ou\u006e\u0064",_gggf );
};if _bae .EncodingMethod ==GenericEM {continue ;};if _baeg ==nil {if _baeg ,_cfg =_ag .GlobalSegments .GetSymbolDictionary ();_cfg !=nil {return _gd .Wrap (_cfg ,_bed ,"");};};if _cfg =_ag .produceClassifiedPage (_bae ,_baeg );_cfg !=nil {return _gd .Wrapf (_cfg ,_bed ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_gggf );
};};return nil ;};func (_ae *Page )addTextRegionSegment (_dda []*_ca .Header ,_babf ,_gaaf map[int ]int ,_begg []int ,_bfgg *_ff .Points ,_bbgd *_ff .Bitmaps ,_gfg *_eg .IntSlice ,_aec *_ff .Boxes ,_aeg ,_dea int ){_ecg :=&_ca .TextRegion {NumberOfSymbols :uint32 (_dea )};
_ecg .InitEncode (_babf ,_gaaf ,_begg ,_bfgg ,_bbgd ,_gfg ,_aec ,_ae .FinalWidth ,_ae .FinalHeight ,_aeg );_abcc :=&_ca .Header {RTSegments :_dda ,SegmentData :_ecg ,PageAssociation :_ae .PageNumber ,Type :_ca .TImmediateTextRegion };_agc :=_ca .TPageInformation ;
if _gaaf !=nil {_agc =_ca .TSymbolDictionary ;};var _faf int ;for ;_faf < len (_ae .Segments );_faf ++{if _ae .Segments [_faf ].Type ==_agc {_faf ++;break ;};};_ae .Segments =append (_ae .Segments ,nil );copy (_ae .Segments [_faf +1:],_ae .Segments [_faf :]);
_ae .Segments [_faf ]=_abcc ;};func _edc (_dd *_a .Reader ,_bcg *Globals )(*Document ,error ){_def :=&Document {Pages :make (map[int ]*Page ),InputStream :_dd ,OrganizationType :_ca .OSequential ,NumberOfPagesUnknown :true ,GlobalSegments :_bcg ,_ggg :9};
if _def .GlobalSegments ==nil {_def .GlobalSegments =&Globals {};};if _edad :=_def .mapData ();_edad !=nil {return nil ,_edad ;};return _def ,nil ;};func (_dgac *Page )getWidth ()(int ,error ){const _edb ="\u0067\u0065\u0074\u0057\u0069\u0064\u0074\u0068";
if _dgac .FinalWidth !=0{return _dgac .FinalWidth ,nil ;};_bfc :=_dgac .getPageInformationSegment ();if _bfc ==nil {return 0,_gd .Error (_edb ,"n\u0069l\u0020\u0070\u0061\u0067\u0065\u0020\u0069\u006ef\u006f\u0072\u006d\u0061ti\u006f\u006e");};_aed ,_bfgb :=_bfc .GetSegmentData ();
if _bfgb !=nil {return 0,_gd .Wrap (_bfgb ,_edb ,"");};_gddg ,_befc :=_aed .(*_ca .PageInformationSegment );if !_befc {return 0,_gd .Errorf (_edb ,"\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",_aed );
};_dgac .FinalWidth =_gddg .PageBMWidth ;return _dgac .FinalWidth ,nil ;};func (_bbba *Page )clearSegmentData (){for _ceed :=range _bbba .Segments {_bbba .Segments [_ceed ].CleanSegmentData ();};};func (_bdaa *Document )reachedEOF (_bbe int64 )(bool ,error ){const _bgcc ="\u0072\u0065\u0061\u0063\u0068\u0065\u0064\u0045\u004f\u0046";
_ ,_ggf :=_bdaa .InputStream .Seek (_bbe ,_fe .SeekStart );if _ggf !=nil {_cb .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",_ggf );
return false ,_gd .Wrap (_ggf ,_bgcc ,"\u0069n\u0070\u0075\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0020s\u0065\u0065\u006b\u0020\u0066\u0061\u0069\u006c\u0065\u0064");};_ ,_ggf =_bdaa .InputStream .ReadBits (32);if _ggf ==_fe .EOF {return true ,nil ;
}else if _ggf !=nil {return false ,_gd .Wrap (_ggf ,_bgcc ,"");};return false ,nil ;};func (_bdeb *Page )createPage (_cag *_ca .PageInformationSegment )error {var _cgf error ;if !_cag .IsStripe ||_cag .PageBMHeight !=-1{_cgf =_bdeb .createNormalPage (_cag );
}else {_cgf =_bdeb .createStripedPage (_cag );};return _cgf ;};func (_bgae *Page )createNormalPage (_bac *_ca .PageInformationSegment )error {const _ecgc ="\u0063\u0072e\u0061\u0074\u0065N\u006f\u0072\u006d\u0061\u006c\u0050\u0061\u0067\u0065";_bgae .Bitmap =_ff .New (_bac .PageBMWidth ,_bac .PageBMHeight );
if _bac .DefaultPixelValue !=0{_bgae .Bitmap .SetDefaultPixel ();};for _ ,_gdde :=range _bgae .Segments {switch _gdde .Type {case 6,7,22,23,38,39,42,43:_cb .Log .Trace ("\u0047\u0065\u0074\u0074in\u0067\u0020\u0053\u0065\u0067\u006d\u0065\u006e\u0074\u003a\u0020\u0025\u0064",_gdde .SegmentNumber );
_deb ,_fgb :=_gdde .GetSegmentData ();if _fgb !=nil {return _fgb ;};_ggeb ,_gea :=_deb .(_ca .Regioner );if !_gea {_cb .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",_deb );
return _gd .Errorf (_ecgc ,"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",_deb );
};_faa ,_fgb :=_ggeb .GetRegionBitmap ();if _fgb !=nil {return _gd .Wrap (_fgb ,_ecgc ,"");};if _bgae .fitsPage (_bac ,_faa ){_bgae .Bitmap =_faa ;}else {_cae :=_ggeb .GetRegionInfo ();_cbg :=_bgae .getCombinationOperator (_bac ,_cae .CombinaionOperator );
_fgb =_ff .Blit (_faa ,_bgae .Bitmap ,int (_cae .XLocation ),int (_cae .YLocation ),_cbg );if _fgb !=nil {return _gd .Wrap (_fgb ,_ecgc ,"");};};};};return nil ;};func (_beff *Page )AddEndOfPageSegment (){_ffca :=&_ca .Header {Type :_ca .TEndOfPage ,PageAssociation :_beff .PageNumber };
_beff .Segments =append (_beff .Segments ,_ffca );};func (_cga *Page )getHeight ()(int ,error ){const _cdbf ="\u0067e\u0074\u0048\u0065\u0069\u0067\u0068t";if _cga .FinalHeight !=0{return _cga .FinalHeight ,nil ;};_edac :=_cga .getPageInformationSegment ();
if _edac ==nil {return 0,_gd .Error (_cdbf ,"n\u0069l\u0020\u0070\u0061\u0067\u0065\u0020\u0069\u006ef\u006f\u0072\u006d\u0061ti\u006f\u006e");};_dca ,_bfba :=_edac .GetSegmentData ();if _bfba !=nil {return 0,_gd .Wrap (_bfba ,_cdbf ,"");};_ffaf ,_dcgc :=_dca .(*_ca .PageInformationSegment );
if !_dcgc {return 0,_gd .Errorf (_cdbf ,"\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",_dca );
};if _ffaf .PageBMHeight ==_f .MaxInt32 {_ ,_bfba =_cga .GetBitmap ();if _bfba !=nil {return 0,_gd .Wrap (_bfba ,_cdbf ,"");};}else {_cga .FinalHeight =_ffaf .PageBMHeight ;};return _cga .FinalHeight ,nil ;};func (_cf *Document )AddGenericPage (bm *_ff .Bitmap ,duplicateLineRemoval bool )(_bc error ){const _dg ="\u0044\u006f\u0063um\u0065\u006e\u0074\u002e\u0041\u0064\u0064\u0047\u0065\u006e\u0065\u0072\u0069\u0063\u0050\u0061\u0067\u0065";
if !_cf .FullHeaders &&_cf .NumberOfPages !=0{return _gd .Error (_dg ,"\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");
};_ba :=&Page {Segments :[]*_ca .Header {},Bitmap :bm ,Document :_cf ,FinalHeight :bm .Height ,FinalWidth :bm .Width ,IsLossless :true ,BlackIsOne :bm .Color ==_ff .Chocolate };_ba .PageNumber =int (_cf .nextPageNumber ());_cf .Pages [_ba .PageNumber ]=_ba ;
bm .InverseData ();_ba .AddPageInformationSegment ();if _bc =_ba .AddGenericRegion (bm ,0,0,0,_ca .TImmediateGenericRegion ,duplicateLineRemoval );_bc !=nil {return _gd .Wrap (_bc ,_dg ,"");};if _cf .FullHeaders {_ba .AddEndOfPageSegment ();};return nil ;
};func (_agag *Page )composePageBitmap ()error {const _cgd ="\u0063\u006f\u006d\u0070\u006f\u0073\u0065\u0050\u0061\u0067\u0065\u0042i\u0074\u006d\u0061\u0070";if _agag .PageNumber ==0{return nil ;};_bgg :=_agag .getPageInformationSegment ();if _bgg ==nil {return _gd .Error (_cgd ,"\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");
};_ddc ,_bca :=_bgg .GetSegmentData ();if _bca !=nil {return _bca ;};_gde ,_abgd :=_ddc .(*_ca .PageInformationSegment );if !_abgd {return _gd .Error (_cgd ,"\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 _bca =_agag .createPage (_gde );_bca !=nil {return _gd .Wrap (_bca ,_cgd ,"");};_agag .clearSegmentData ();return nil ;};func (_bee *Document )GetPage (pageNumber int )(_ca .Pager ,error ){const _dgce ="\u0044\u006fc\u0075\u006d\u0065n\u0074\u002e\u0047\u0065\u0074\u0050\u0061\u0067\u0065";
if pageNumber < 0{_cb .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 ,_c .Stack ());
return nil ,_gd .Errorf (_dgce ,"\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 (_bee .Pages ){_cb .Log .Debug ("\u0050\u0061\u0067\u0065 n\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u003a\u0020\u0025\u0064\u002e\u0020%\u0073",pageNumber ,_c .Stack ());return nil ,_gd .Error (_dgce ,"\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");
};_afd ,_bga :=_bee .Pages [pageNumber ];if !_bga {_cb .Log .Debug ("\u0050\u0061\u0067\u0065 n\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u003a\u0020\u0025\u0064\u002e\u0020%\u0073",pageNumber ,_c .Stack ());return nil ,_gd .Errorf (_dgce ,"\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 _afd ,nil ;};func _ea (_agd int )int {_bfg :=0;_fcf :=(_agd &(_agd -1))==0;_agd >>=1;for ;_agd !=0;_agd >>=1{_bfg ++;};if _fcf {return _bfg ;};return _bfg +1;};func DecodeDocument (input *_a .Reader ,globals *Globals )(*Document ,error ){return _edc (input ,globals );
};func (_fb *Document )AddClassifiedPage (bm *_ff .Bitmap ,method _d .Method )(_ed error ){const _bd ="\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 !_fb .FullHeaders &&_fb .NumberOfPages !=0{return _gd .Error (_bd ,"\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 _fb .Classer ==nil {if _fb .Classer ,_ed =_d .Init (_d .DefaultSettings ());_ed !=nil {return _gd .Wrap (_ed ,_bd ,"");};};_fd :=int (_fb .nextPageNumber ());_cc :=&Page {Segments :[]*_ca .Header {},Bitmap :bm ,Document :_fb ,FinalHeight :bm .Height ,FinalWidth :bm .Width ,PageNumber :_fd };
_fb .Pages [_fd ]=_cc ;switch method {case _d .RankHaus :_cc .EncodingMethod =RankHausEM ;case _d .Correlation :_cc .EncodingMethod =CorrelationEM ;};_cc .AddPageInformationSegment ();if _ed =_fb .Classer .AddPage (bm ,_fd ,method );_ed !=nil {return _gd .Wrap (_ed ,_bd ,"");
};if _fb .FullHeaders {_cc .AddEndOfPageSegment ();};return nil ;};const (GenericEM EncodingMethod =iota ;CorrelationEM ;RankHausEM ;);func (_ccfd *Page )GetBitmap ()(_aaf *_ff .Bitmap ,_fgd error ){_cb .Log .Trace (_g .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",_ccfd .PageNumber ));
defer func (){if _fgd !=nil {_cb .Log .Trace (_g .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",_ccfd .PageNumber ,_fgd ));
}else {_cb .Log .Trace (_g .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",_ccfd .PageNumber ));};}();if _ccfd .Bitmap !=nil {return _ccfd .Bitmap ,nil ;
};_fgd =_ccfd .composePageBitmap ();if _fgd !=nil {return nil ,_fgd ;};return _ccfd .Bitmap ,nil ;};func (_abb *Document )GetNumberOfPages ()(uint32 ,error ){if _abb .NumberOfPagesUnknown ||_abb .NumberOfPages ==0{if len (_abb .Pages )==0{if _cda :=_abb .mapData ();
_cda !=nil {return 0,_gd .Wrap (_cda ,"\u0044o\u0063\u0075\u006d\u0065n\u0074\u002e\u0047\u0065\u0074N\u0075m\u0062e\u0072\u004f\u0066\u0050\u0061\u0067\u0065s","");};};return uint32 (len (_abb .Pages )),nil ;};return _abb .NumberOfPages ,nil ;};func (_gef *Page )lastSegmentNumber ()(_gfe uint32 ,_ceb error ){const _ebc ="\u006c\u0061\u0073\u0074\u0053\u0065\u0067\u006d\u0065\u006e\u0074\u004eu\u006d\u0062\u0065\u0072";
if len (_gef .Segments )==0{return _gfe ,_gd .Errorf (_ebc ,"\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",_gef .PageNumber );
};return _gef .Segments [len (_gef .Segments )-1].SegmentNumber ,nil ;};func (_age *Globals )AddSegment (segment *_ca .Header ){_age .Segments =append (_age .Segments ,segment )};func (_bfgd *Page )getResolutionY ()(int ,error ){const _deg ="\u0067\u0065\u0074\u0052\u0065\u0073\u006f\u006c\u0075t\u0069\u006f\u006e\u0059";
if _bfgd .ResolutionY !=0{return _bfgd .ResolutionY ,nil ;};_bfa :=_bfgd .getPageInformationSegment ();if _bfa ==nil {return 0,_gd .Error (_deg ,"n\u0069l\u0020\u0070\u0061\u0067\u0065\u0020\u0069\u006ef\u006f\u0072\u006d\u0061ti\u006f\u006e");};_ffb ,_eaga :=_bfa .GetSegmentData ();
if _eaga !=nil {return 0,_gd .Wrap (_eaga ,_deg ,"");};_ecdb ,_ecf :=_ffb .(*_ca .PageInformationSegment );if !_ecf {return 0,_gd .Errorf (_deg ,"\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",_ffb );
};_bfgd .ResolutionY =_ecdb .ResolutionY ;return _bfgd .ResolutionY ,nil ;};func (_afe *Document )GetGlobalSegment (i int )(*_ca .Header ,error ){_bgc ,_dcg :=_afe .GlobalSegments .GetSegment (i );if _dcg !=nil {return nil ,_gd .Wrap (_dcg ,"\u0047\u0065t\u0047\u006c\u006fb\u0061\u006c\u0053\u0065\u0067\u006d\u0065\u006e\u0074","");
};return _bgc ,nil ;};func (_agb *Page )countRegions ()int {var _eafe int ;for _ ,_fbb :=range _agb .Segments {switch _fbb .Type {case 6,7,22,23,38,39,42,43:_eafe ++;};};return _eafe ;};type Document struct{Pages map[int ]*Page ;NumberOfPagesUnknown bool ;
NumberOfPages uint32 ;GBUseExtTemplate bool ;InputStream *_a .Reader ;GlobalSegments *Globals ;OrganizationType _ca .OrganizationType ;Classer *_d .Classer ;XRes ,YRes int ;FullHeaders bool ;CurrentSegmentNumber uint32 ;AverageTemplates *_ff .Bitmaps ;
BaseIndexes []int ;Refinement bool ;RefineLevel int ;_ggg uint8 ;_fc *_a .BufferedWriter ;EncodeGlobals bool ;_gf int ;_egf map[int ][]int ;_ac map[int ][]int ;_ffa []int ;_ad map[int ]int ;};