unipdf/core/core.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 core defines and implements the primitive PDF object types in golang, and provides functionality
// for parsing those from a PDF file stream. This includes I/O handling, cross references, repairs, encryption,
// encoding and other core capabilities.
package core ;import (_aab "bufio";_dc "bytes";_aa "compress/lzw";_g "compress/zlib";_ef "crypto/md5";_dd "crypto/rand";_bg "encoding/hex";_cf "errors";_cb "fmt";_beff "github.com/unidoc/unipdf/v3/common";_cd "github.com/unidoc/unipdf/v3/core/security";
_de "github.com/unidoc/unipdf/v3/core/security/crypt";_cbc "github.com/unidoc/unipdf/v3/internal/ccittfax";_bf "github.com/unidoc/unipdf/v3/internal/imageutil";_gg "github.com/unidoc/unipdf/v3/internal/jbig2";_cba "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";
_cfg "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";_fe "github.com/unidoc/unipdf/v3/internal/jbig2/document";_bba "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_bge "github.com/unidoc/unipdf/v3/internal/strutils";_bef "golang.org/x/image/tiff/lzw";
_afg "golang.org/x/xerrors";_be "image";_bb "image/color";_e "image/jpeg";_ac "io";_f "reflect";_af "regexp";_a "sort";_b "strconv";_gf "strings";_d "sync";_ce "time";);func _adac (_abc _de .Filter ,_ggcg _cd .AuthEvent )*PdfObjectDictionary {if _ggcg ==""{_ggcg =_cd .EventDocOpen ;
};_dgb :=MakeDict ();_dgb .Set ("\u0054\u0079\u0070\u0065",MakeName ("C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"));_dgb .Set ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et",MakeName (string (_ggcg )));_dgb .Set ("\u0043\u0046\u004d",MakeName (_abc .Name ()));
_dgb .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_abc .KeyLength ())));return _dgb ;};

// GetFilterName returns the name of the encoding filter.
func (_bddb *JPXEncoder )GetFilterName ()string {return StreamEncodingFilterNameJPX };func (_agaga *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_agaga ._dbac )};func _dgda (_dgc *PdfObjectStream ,_fgdg *PdfObjectDictionary )(*FlateEncoder ,error ){_acfg :=NewFlateEncoder ();
_fceg :=_dgc .PdfObjectDictionary ;if _fceg ==nil {return _acfg ,nil ;};_acfg ._cga =_gfee (_fceg );if _fgdg ==nil {_fgfb :=TraceToDirectObject (_fceg .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));switch _fgbe :=_fgfb .(type ){case *PdfObjectArray :if _fgbe .Len ()!=1{_beff .Log .Debug ("\u0045\u0072\u0072\u006f\u0072:\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073\u0020a\u0072\u0072\u0061\u0079\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0021\u003d\u0020\u0031\u0020\u0028\u0025\u0064\u0029",_fgbe .Len ());
return nil ,_cf .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _abd ,_agcd :=GetDict (_fgbe .Get (0));_agcd {_fgdg =_abd ;};case *PdfObjectDictionary :_fgdg =_fgbe ;case *PdfObjectNull ,nil :default:_beff .Log .Debug ("E\u0072\u0072\u006f\u0072\u003a\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073\u0020n\u006f\u0074\u0020\u0061\u0020\u0064\u0069\u0063\u0074\u0069on\u0061\u0072\u0079 \u0028%\u0054\u0029",_fgfb );
return nil ,_cb .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _fgdg ==nil {return _acfg ,nil ;};_beff .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_fgdg .String ());
_ega :=_fgdg .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _ega ==nil {_beff .Log .Debug ("E\u0072\u0072o\u0072\u003a\u0020\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u006d\u0069\u0073\u0073\u0069\u006e\u0067 \u0066\u0072\u006f\u006d\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073 \u002d\u0020\u0043\u006f\u006e\u0074\u0069\u006e\u0075\u0065\u0020\u0077\u0069t\u0068\u0020\u0064\u0065\u0066\u0061\u0075\u006c\u0074\u0020\u00281\u0029");
}else {_eca ,_gbe :=_ega .(*PdfObjectInteger );if !_gbe {_beff .Log .Debug ("E\u0072\u0072\u006f\u0072\u003a\u0020\u0050\u0072\u0065d\u0069\u0063\u0074\u006f\u0072\u0020\u0073pe\u0063\u0069\u0066\u0069e\u0064\u0020\u0062\u0075\u0074\u0020\u006e\u006f\u0074 n\u0075\u006de\u0072\u0069\u0063\u0020\u0028\u0025\u0054\u0029",_ega );
return nil ,_cb .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_acfg .Predictor =int (*_eca );};_ega =_fgdg .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _ega !=nil {_dgec ,_edg :=_ega .(*PdfObjectInteger );if !_edg {_beff .Log .Debug ("\u0045\u0052\u0052O\u0052\u003a\u0020\u0049n\u0076\u0061\u006c\u0069\u0064\u0020\u0042i\u0074\u0073\u0050\u0065\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
return nil ,_cb .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_acfg .BitsPerComponent =int (*_dgec );};if _acfg .Predictor > 1{_acfg .Columns =1;_ega =_fgdg .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _ega !=nil {_gacf ,_gfed :=_ega .(*PdfObjectInteger );if !_gfed {return nil ,_cb .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_acfg .Columns =int (*_gacf );
};_acfg .Colors =1;_ega =_fgdg .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _ega !=nil {_bacd ,_bbee :=_ega .(*PdfObjectInteger );if !_bbee {return nil ,_cb .Errorf ("\u0070\u0072\u0065d\u0069\u0063\u0074\u006fr\u0020\u0063\u006f\u006c\u006f\u0072\u0073 \u006e\u006f\u0074\u0020\u0061\u006e\u0020\u0069\u006e\u0074\u0065\u0067\u0065\u0072");
};_acfg .Colors =int (*_bacd );};};return _acfg ,nil ;};func (_bafb *ASCII85Encoder )base256Tobase85 (_dabba uint32 )[5]byte {_dgdfb :=[5]byte {0,0,0,0,0};_egcg :=_dabba ;for _gdgg :=0;_gdgg < 5;_gdgg ++{_ffdd :=uint32 (1);for _agdg :=0;_agdg < 4-_gdgg ;
_agdg ++{_ffdd *=85;};_aeba :=_egcg /_ffdd ;_egcg =_egcg %_ffdd ;_dgdfb [_gdgg ]=byte (_aeba );};return _dgdfb ;};

// UpdateParams updates the parameter values of the encoder.
func (_gec *FlateEncoder )UpdateParams (params *PdfObjectDictionary ){_ggcb ,_ege :=GetNumberAsInt64 (params .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr"));if _ege ==nil {_gec .Predictor =int (_ggcb );};_eaa ,_ege :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));
if _ege ==nil {_gec .BitsPerComponent =int (_eaa );};_aedf ,_ege :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));if _ege ==nil {_gec .Columns =int (_aedf );};_eeg ,_ege :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));
if _ege ==nil {_gec .Colors =int (_eeg );};};func (_df *PdfParser )lookupObjectViaOS (_ded int ,_bea int )(PdfObject ,error ){var _ggf *_dc .Reader ;var _bbf objectStream ;var _fd bool ;_bbf ,_fd =_df ._afcd [_ded ];if !_fd {_fb ,_gb :=_df .LookupByNumber (_ded );
if _gb !=nil {_beff .Log .Debug ("\u004d\u0069ss\u0069\u006e\u0067 \u006f\u0062\u006a\u0065ct \u0073tr\u0065\u0061\u006d\u0020\u0077\u0069\u0074h \u006e\u0075\u006d\u0062\u0065\u0072\u0020%\u0064",_ded );return nil ,_gb ;};_acg ,_cc :=_fb .(*PdfObjectStream );
if !_cc {return nil ,_cf .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _df ._eeef !=nil &&!_df ._eeef .isDecrypted (_acg ){return nil ,_cf .New ("\u006e\u0065\u0065\u0064\u0020\u0074\u006f\u0020\u0064\u0065\u0063r\u0079\u0070\u0074\u0020\u0074\u0068\u0065\u0020\u0073\u0074r\u0065\u0061\u006d");
};_eff :=_acg .PdfObjectDictionary ;_beff .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_eff .String ());_dcb ,_cc :=_eff .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_cc {_beff .Log .Debug ("\u0045\u0052R\u004f\u0052\u003a\u0020\u004f\u0062\u006a\u0065\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0061\u006c\u0077\u0061\u0079\u0073\u0020\u0068\u0061\u0076\u0065\u0020\u0061\u0020\u0054\u0079\u0070\u0065");
return nil ,_cf .New ("\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0073\u0074\u0072\u0065a\u006d\u0020\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0020T\u0079\u0070\u0065");};if _gf .ToLower (string (*_dcb ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u004f\u0062\u006a\u0065\u0063\u0074\u0020\u0073\u0074\u0072\u0065a\u006d\u0020\u0074\u0079\u0070\u0065\u0020s\u0068\u0061\u006c\u006c\u0020\u0061\u006c\u0077\u0061\u0079\u0073 \u0062\u0065\u0020\u004f\u0062\u006a\u0053\u0074\u006d\u0020\u0021");
return nil ,_cf .New ("\u006f\u0062\u006a\u0065c\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0074y\u0070e\u0020\u0021\u003d\u0020\u004f\u0062\u006aS\u0074\u006d");};N ,_cc :=_eff .Get ("\u004e").(*PdfObjectInteger );if !_cc {return nil ,_cf .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u004e\u0020i\u006e\u0020\u0073\u0074\u0072\u0065\u0061m\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079");
};_ba ,_cc :=_eff .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_cc {return nil ,_cf .New ("\u0069\u006e\u0076al\u0069\u0064\u0020\u0046\u0069\u0072\u0073\u0074\u0020i\u006e \u0073t\u0072e\u0061\u006d\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079");
};_beff .Log .Trace ("\u0074\u0079\u0070\u0065\u003a\u0020\u0025\u0073\u0020\u006eu\u006d\u0062\u0065\u0072\u0020\u006f\u0066 \u006f\u0062\u006a\u0065\u0063\u0074\u0073\u003a\u0020\u0025\u0064",_dcb ,*N );_gd ,_gb :=DecodeStream (_acg );if _gb !=nil {return nil ,_gb ;
};_beff .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_gd );_ed :=_df .GetFileOffset ();defer func (){_df .SetFileOffset (_ed )}();_ggf =_dc .NewReader (_gd );_df ._dbac =_aab .NewReader (_ggf );_beff .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_ad :=map[int ]int64 {};for _bab :=0;_bab < int (*N );_bab ++{_df .skipSpaces ();_bac ,_ggg :=_df .parseNumber ();if _ggg !=nil {return nil ,_ggg ;};_feg ,_dfc :=_bac .(*PdfObjectInteger );if !_dfc {return nil ,_cf .New ("\u0069\u006e\u0076al\u0069\u0064\u0020\u006f\u0062\u006a\u0065\u0063\u0074 \u0073t\u0072e\u0061m\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0074\u0061\u0062\u006c\u0065");
};_df .skipSpaces ();_bac ,_ggg =_df .parseNumber ();if _ggg !=nil {return nil ,_ggg ;};_cbd ,_dfc :=_bac .(*PdfObjectInteger );if !_dfc {return nil ,_cf .New ("\u0069\u006e\u0076al\u0069\u0064\u0020\u006f\u0062\u006a\u0065\u0063\u0074 \u0073t\u0072e\u0061m\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0074\u0061\u0062\u006c\u0065");
};_beff .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_feg ,*_cbd );_ad [int (*_feg )]=int64 (*_ba +*_cbd );};_bbf =objectStream {N :int (*N ),_cfa :_gd ,_ea :_ad };_df ._afcd [_ded ]=_bbf ;}else {_bc :=_df .GetFileOffset ();
defer func (){_df .SetFileOffset (_bc )}();_ggf =_dc .NewReader (_bbf ._cfa );_df ._dbac =_aab .NewReader (_ggf );};_eg :=_bbf ._ea [_bea ];_beff .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_bea ,_eg );
_ggf .Seek (_eg ,_ac .SeekStart );_df ._dbac =_aab .NewReader (_ggf );_gfc ,_ :=_df ._dbac .Peek (100);_beff .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_gfc ));_aad ,_fda :=_df .parseObject ();
if _fda !=nil {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c \u0074\u006f\u0020\u0072\u0065\u0061\u0064 \u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0028\u0025\u0073\u0029",_fda );return nil ,_fda ;};if _aad ==nil {return nil ,_cf .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");
};_ga :=PdfIndirectObject {};_ga .ObjectNumber =int64 (_bea );_ga .PdfObject =_aad ;return &_ga ,nil ;};

// GetFloat returns the *PdfObjectFloat represented by the PdfObject directly or indirectly within an indirect
// object. On type mismatch the found bool flag is false and a nil pointer is returned.
func GetFloat (obj PdfObject )(_faaa *PdfObjectFloat ,_gfcab bool ){_faaa ,_gfcab =TraceToDirectObject (obj ).(*PdfObjectFloat );return _faaa ,_gfcab ;};var _eccad =_af .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_dcf *CCITTFaxEncoder )MakeDecodeParams ()PdfObject {_eaab :=MakeDict ();_eaab .Set ("\u004b",MakeInteger (int64 (_dcf .K )));_eaab .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_dcf .Columns )));if _dcf .BlackIs1 {_eaab .Set ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031",MakeBool (_dcf .BlackIs1 ));
};if _dcf .EncodedByteAlign {_eaab .Set ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e",MakeBool (_dcf .EncodedByteAlign ));};if _dcf .EndOfLine &&_dcf .K >=0{_eaab .Set ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee",MakeBool (_dcf .EndOfLine ));
};if _dcf .Rows !=0&&!_dcf .EndOfBlock {_eaab .Set ("\u0052\u006f\u0077\u0073",MakeInteger (int64 (_dcf .Rows )));};if !_dcf .EndOfBlock {_eaab .Set ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b",MakeBool (_dcf .EndOfBlock ));};if _dcf .DamagedRowsBeforeError !=0{_eaab .Set ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072",MakeInteger (int64 (_dcf .DamagedRowsBeforeError )));
};return _eaab ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_ffgd *DCTEncoder )MakeDecodeParams ()PdfObject {return nil };

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_fdbe *ASCII85Encoder )MakeDecodeParams ()PdfObject {return nil };func (_aag *PdfCrypt )authenticate (_bed []byte )(bool ,error ){_aag ._efg =false ;_fgaa :=_aag .securityHandler ();_fbdc ,_bggc ,_dee :=_fgaa .Authenticate (&_aag ._gggd ,_bed );if _dee !=nil {return false ,_dee ;
}else if _bggc ==0||len (_fbdc )==0{return false ,nil ;};_aag ._efg =true ;_aag ._gae =_fbdc ;return true ,nil ;};

// EncodeBytes implements support for LZW encoding.  Currently not supporting predictors (raw compressed data only).
// Only supports the Early change = 1 algorithm (compress/lzw) as the other implementation
// does not have a write method.
// TODO: Consider refactoring compress/lzw to allow both.
func (_bbfd *LZWEncoder )EncodeBytes (data []byte )([]byte ,error ){if _bbfd .Predictor !=1{return nil ,_cb .Errorf ("\u004c\u005aW \u0050\u0072\u0065d\u0069\u0063\u0074\u006fr =\u00201 \u006f\u006e\u006c\u0079\u0020\u0073\u0075pp\u006f\u0072\u0074\u0065\u0064\u0020\u0079e\u0074");
};if _bbfd .EarlyChange ==1{return nil ,_cb .Errorf ("\u004c\u005a\u0057\u0020\u0045\u0061\u0072\u006c\u0079\u0020\u0043\u0068\u0061n\u0067\u0065\u0020\u003d\u0020\u0030 \u006f\u006e\u006c\u0079\u0020\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065d\u0020\u0079\u0065\u0074");
};var _effd _dc .Buffer ;_abcg :=_aa .NewWriter (&_effd ,_aa .MSB ,8);_abcg .Write (data );_abcg .Close ();return _effd .Bytes (),nil ;};

// String returns a string describing `array`.
func (_afacb *PdfObjectArray )String ()string {_gcdc :="\u005b";for _bcfe ,_abcb :=range _afacb .Elements (){_gcdc +=_abcb .String ();if _bcfe < (_afacb .Len ()-1){_gcdc +="\u002c\u0020";};};_gcdc +="\u005d";return _gcdc ;};func (_bbdfc *PdfParser )skipComments ()error {if _ ,_agfb :=_bbdfc .skipSpaces ();
_agfb !=nil {return _agfb ;};_eafg :=true ;for {_cdd ,_afce :=_bbdfc ._dbac .Peek (1);if _afce !=nil {_beff .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_afce .Error ());return _afce ;};if _eafg &&_cdd [0]!='%'{return nil ;};_eafg =false ;
if (_cdd [0]!='\r')&&(_cdd [0]!='\n'){_bbdfc ._dbac .ReadByte ();}else {break ;};};return _bbdfc .skipComments ();};

// EncryptInfo contains an information generated by the document encrypter.
type EncryptInfo struct{Version ;

// Encrypt is an encryption dictionary that contains all necessary parameters.
// It should be stored in all copies of the document trailer.
Encrypt *PdfObjectDictionary ;

// ID0 and ID1 are IDs used in the trailer. Older algorithms such as RC4 uses them for encryption.
ID0 ,ID1 string ;};var _gbfda _d .Map ;

// WriteString outputs the object as it is to be written to file.
func (_dbdd *PdfObjectBool )WriteString ()string {if *_dbdd {return "\u0074\u0072\u0075\u0065";};return "\u0066\u0061\u006cs\u0065";};

// NewDCTEncoder makes a new DCT encoder with default parameters.
func NewDCTEncoder ()*DCTEncoder {_acff :=&DCTEncoder {};_acff .ColorComponents =3;_acff .BitsPerComponent =8;_acff .Quality =DefaultJPEGQuality ;return _acff ;};

// EncodeBytes ASCII encodes the passed in slice of bytes.
func (_dgbab *ASCIIHexEncoder )EncodeBytes (data []byte )([]byte ,error ){var _fegag _dc .Buffer ;for _ ,_dddd :=range data {_fegag .WriteString (_cb .Sprintf ("\u0025\u002e\u0032X\u0020",_dddd ));};_fegag .WriteByte ('>');return _fegag .Bytes (),nil ;
};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_ebfd *LZWEncoder )MakeDecodeParams ()PdfObject {if _ebfd .Predictor > 1{_fbac :=MakeDict ();_fbac .Set ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr",MakeInteger (int64 (_ebfd .Predictor )));if _ebfd .BitsPerComponent !=8{_fbac .Set ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074",MakeInteger (int64 (_ebfd .BitsPerComponent )));
};if _ebfd .Columns !=1{_fbac .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_ebfd .Columns )));};if _ebfd .Colors !=1{_fbac .Set ("\u0043\u006f\u006c\u006f\u0072\u0073",MakeInteger (int64 (_ebfd .Colors )));};return _fbac ;};return nil ;
};

// String returns a string representation of `name`.
func (_bcab *PdfObjectName )String ()string {return string (*_bcab )};

// String returns a string describing `stream`.
func (_dage *PdfObjectStream )String ()string {return _cb .Sprintf ("O\u0062j\u0065\u0063\u0074\u0020\u0073\u0074\u0072\u0065a\u006d\u0020\u0025\u0064: \u0025\u0073",_dage .ObjectNumber ,_dage .PdfObjectDictionary );};

// Decrypt attempts to decrypt the PDF file with a specified password.  Also tries to
// decrypt with an empty password.  Returns true if successful, false otherwise.
// An error is returned when there is a problem with decrypting.
func (_fbaee *PdfParser )Decrypt (password []byte )(bool ,error ){if _fbaee ._eeef ==nil {return false ,_cf .New ("\u0063\u0068\u0065\u0063k \u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0069\u006f\u006e\u0020\u0066\u0069\u0072s\u0074");};_deed ,_bfbe :=_fbaee ._eeef .authenticate (password );
if _bfbe !=nil {return false ,_bfbe ;};if !_deed {_deed ,_bfbe =_fbaee ._eeef .authenticate ([]byte (""));};return _deed ,_bfbe ;};

// PdfObjectInteger represents the primitive PDF integer numerical object.
type PdfObjectInteger int64 ;type cryptFilters map[string ]_de .Filter ;

// UpdateParams updates the parameter values of the encoder.
func (_geac *RawEncoder )UpdateParams (params *PdfObjectDictionary ){};

// DecodeBytes decodes a slice of Flate encoded bytes and returns the result.
func (_agba *FlateEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_beff .Log .Trace ("\u0046\u006c\u0061\u0074\u0065\u0044\u0065\u0063\u006f\u0064\u0065\u0020b\u0079\u0074\u0065\u0073");if len (encoded )==0{_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0065\u006d\u0070\u0074\u0079\u0020\u0046\u006c\u0061\u0074\u0065 e\u006ec\u006f\u0064\u0065\u0064\u0020\u0062\u0075\u0066\u0066\u0065\u0072\u002e \u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u0065\u006d\u0070\u0074\u0079\u0020\u0062y\u0074\u0065\u0020\u0073\u006c\u0069\u0063\u0065\u002e");
return []byte {},nil ;};_bgad :=_dc .NewReader (encoded );_cbde ,_cgb :=_g .NewReader (_bgad );if _cgb !=nil {_beff .Log .Debug ("\u0044e\u0063o\u0064\u0069\u006e\u0067\u0020e\u0072\u0072o\u0072\u0020\u0025\u0076\u000a",_cgb );_beff .Log .Debug ("\u0053t\u0072e\u0061\u006d\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (encoded ),encoded );
return nil ,_cgb ;};defer _cbde .Close ();var _dfef _dc .Buffer ;_dfef .ReadFrom (_cbde );return _dfef .Bytes (),nil ;};func (_beg *PdfCrypt )encryptBytes (_cecb []byte ,_cdg string ,_fgb []byte )([]byte ,error ){_beff .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_dab ,_ebae :=_beg ._ab [_cdg ];if !_ebae {return nil ,_cb .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_cdg );};return _dab .EncryptBytes (_cecb ,_fgb );};func (_afgg *offsetReader )Read (p []byte )(_bbef int ,_febed error ){return _afgg ._febe .Read (p )};


// PdfObject is an interface which all primitive PDF objects must implement.
type PdfObject interface{

// String outputs a string representation of the primitive (for debugging).
String ()string ;

// WriteString outputs the PDF primitive as written to file as expected by the standard.
// TODO(dennwc): it should return a byte slice, or accept a writer
WriteString ()string ;};

// String returns a string describing `null`.
func (_aafb *PdfObjectNull )String ()string {return "\u006e\u0075\u006c\u006c"};

// MakeArrayFromIntegers64 creates an PdfObjectArray from a slice of int64s, where each array element
// is an PdfObjectInteger.
func MakeArrayFromIntegers64 (vals []int64 )*PdfObjectArray {_geee :=MakeArray ();for _ ,_ecba :=range vals {_geee .Append (MakeInteger (_ecba ));};return _geee ;};

// DecodeGlobals decodes 'encoded' byte stream and returns their Globally defined segments ('Globals').
func (_gcae *JBIG2Encoder )DecodeGlobals (encoded []byte )(_gg .Globals ,error ){return _gg .DecodeGlobals (encoded );};

// PdfObjectStreams represents the primitive PDF object streams.
// 7.5.7 Object Streams (page 45).
type PdfObjectStreams struct{PdfObjectReference ;_bbeg []PdfObject ;};

// Decrypt an object with specified key. For numbered objects,
// the key argument is not used and a new one is generated based
// on the object and generation number.
// Traverses through all the subobjects (recursive).
//
// Does not look up references..  That should be done prior to calling.
func (_bdf *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _bdf .isDecrypted (obj ){return nil ;};switch _fec :=obj .(type ){case *PdfIndirectObject :_bdf ._ceb [_fec ]=true ;_beff .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0069\u006e\u0067 \u0069\u006e\u0064\u0069\u0072\u0065\u0063t\u0020\u0025\u0064\u0020\u0025\u0064\u0020\u006f\u0062\u006a\u0021",_fec .ObjectNumber ,_fec .GenerationNumber );
_dceg :=_fec .ObjectNumber ;_abce :=_fec .GenerationNumber ;_fcag :=_bdf .Decrypt (_fec .PdfObject ,_dceg ,_abce );if _fcag !=nil {return _fcag ;};return nil ;case *PdfObjectStream :_bdf ._ceb [_fec ]=true ;_dcef :=_fec .PdfObjectDictionary ;if _bdf ._gggd .R !=5{if _gad ,_agge :=_dcef .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_agge &&*_gad =="\u0058\u0052\u0065\u0066"{return nil ;};};_fbf :=_fec .ObjectNumber ;_cabc :=_fec .GenerationNumber ;_beff .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_fbf ,_cabc );
_gebd :=_fbbg ;if _bdf ._dfb .V >=4{_gebd =_bdf ._bfc ;_beff .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_bdf ._bfc );if _fae ,_aba :=_dcef .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_aba {if _agcg ,_ecdd :=GetName (_fae .Get (0));_ecdd {if *_agcg =="\u0043\u0072\u0079p\u0074"{_gebd ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _bad ,_dcad :=_dcef .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_dcad {if _abe ,_dagd :=_bad .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_dagd {if _ ,_cede :=_bdf ._ab [string (*_abe )];_cede {_beff .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_abe );
_gebd =string (*_abe );};};};};};};_beff .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_gebd );if _gebd =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_gcc :=_bdf .Decrypt (_dcef ,_fbf ,_cabc );
if _gcc !=nil {return _gcc ;};_gffa ,_gcc :=_bdf .makeKey (_gebd ,uint32 (_fbf ),uint32 (_cabc ),_bdf ._gae );if _gcc !=nil {return _gcc ;};_fec .Stream ,_gcc =_bdf .decryptBytes (_fec .Stream ,_gebd ,_gffa );if _gcc !=nil {return _gcc ;};_dcef .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_fec .Stream ))));
return nil ;case *PdfObjectString :_beff .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_bda :=_fbbg ;if _bdf ._dfb .V >=4{_beff .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_bdf ._gfb );
if _bdf ._gfb =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_bda =_bdf ._gfb ;};_aada ,_edf :=_bdf .makeKey (_bda ,uint32 (parentObjNum ),uint32 (parentGenNum ),_bdf ._gae );if _edf !=nil {return _edf ;};_cfac :=_fec .Str ();_ffg :=make ([]byte ,len (_cfac ));
for _eeb :=0;_eeb < len (_cfac );_eeb ++{_ffg [_eeb ]=_cfac [_eeb ];};_beff .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_ffg ,_ffg );_ffg ,_edf =_bdf .decryptBytes (_ffg ,_bda ,_aada );
if _edf !=nil {return _edf ;};_fec ._bdccf =string (_ffg );return nil ;case *PdfObjectArray :for _ ,_dbea :=range _fec .Elements (){_fgc :=_bdf .Decrypt (_dbea ,parentObjNum ,parentGenNum );if _fgc !=nil {return _fgc ;};};return nil ;case *PdfObjectDictionary :_aedg :=false ;
if _ffa :=_fec .Get ("\u0054\u0079\u0070\u0065");_ffa !=nil {_aaeb ,_bdfg :=_ffa .(*PdfObjectName );if _bdfg &&*_aaeb =="\u0053\u0069\u0067"{_aedg =true ;};};for _ ,_bcb :=range _fec .Keys (){_gfa :=_fec .Get (_bcb );if _aedg &&string (_bcb )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;
};if string (_bcb )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_bcb )!="\u0050\u0072\u0065\u0076"&&string (_bcb )!="\u004c\u0061\u0073\u0074"{_ffb :=_bdf .Decrypt (_gfa ,parentObjNum ,parentGenNum );if _ffb !=nil {return _ffb ;};};};return nil ;};
return nil ;};

// DecodeStream implements ASCII85 stream decoding.
func (_abbc *ASCII85Encoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _abbc .DecodeBytes (streamObj .Stream );};

// JBIG2CompressionType defines the enum compression type used by the JBIG2Encoder.
type JBIG2CompressionType int ;

// GetFilterName returns the name of the encoding filter.
func (_cbee *LZWEncoder )GetFilterName ()string {return StreamEncodingFilterNameLZW };

// DCTEncoder provides a DCT (JPG) encoding/decoding functionality for images.
type DCTEncoder struct{ColorComponents int ;BitsPerComponent int ;Width int ;Height int ;Quality int ;};func _dfgd (_fcd *_cd .StdEncryptDict ,_ebg *PdfObjectDictionary )error {R ,_geb :=_ebg .Get ("\u0052").(*PdfObjectInteger );if !_geb {return _cf .New ("\u0065\u006e\u0063\u0072y\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006ea\u0072y\u0020\u006d\u0069\u0073\u0073\u0069\u006eg\u0020\u0052");
};if *R < 2||*R > 6{return _cb .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0052 \u0028\u0025\u0064\u0029",*R );};_fcd .R =int (*R );O ,_geb :=_ebg .GetString ("\u004f");if !_geb {return _cf .New ("\u0065\u006e\u0063\u0072y\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006ea\u0072y\u0020\u006d\u0069\u0073\u0073\u0069\u006eg\u0020\u004f");
};if _fcd .R ==5||_fcd .R ==6{if len (O )< 48{return _cb .Errorf ("\u004c\u0065\u006e\u0067th\u0028\u004f\u0029\u0020\u003c\u0020\u0034\u0038\u0020\u0028\u0025\u0064\u0029",len (O ));};}else if len (O )!=32{return _cb .Errorf ("L\u0065n\u0067\u0074\u0068\u0028\u004f\u0029\u0020\u0021=\u0020\u0033\u0032\u0020(%\u0064\u0029",len (O ));
};_fcd .O =[]byte (O );U ,_geb :=_ebg .GetString ("\u0055");if !_geb {return _cf .New ("\u0065\u006e\u0063\u0072y\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006ea\u0072y\u0020\u006d\u0069\u0073\u0073\u0069\u006eg\u0020\u0055");};if _fcd .R ==5||_fcd .R ==6{if len (U )< 48{return _cb .Errorf ("\u004c\u0065\u006e\u0067th\u0028\u0055\u0029\u0020\u003c\u0020\u0034\u0038\u0020\u0028\u0025\u0064\u0029",len (U ));
};}else if len (U )!=32{_beff .Log .Debug ("\u0057\u0061r\u006e\u0069\u006e\u0067\u003a\u0020\u004c\u0065\u006e\u0067\u0074\u0068\u0028\u0055\u0029\u0020\u0021\u003d\u0020\u0033\u0032\u0020(%\u0064\u0029",len (U ));};_fcd .U =[]byte (U );if _fcd .R >=5{OE ,_gba :=_ebg .GetString ("\u004f\u0045");
if !_gba {return _cf .New ("\u0065\u006ec\u0072\u0079\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0020\u006d\u0069\u0073\u0073\u0069\u006eg \u004f\u0045");}else if len (OE )!=32{return _cb .Errorf ("L\u0065\u006e\u0067\u0074h(\u004fE\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (OE ));
};_fcd .OE =[]byte (OE );UE ,_gba :=_ebg .GetString ("\u0055\u0045");if !_gba {return _cf .New ("\u0065\u006ec\u0072\u0079\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0020\u006d\u0069\u0073\u0073\u0069\u006eg \u0055\u0045");
}else if len (UE )!=32{return _cb .Errorf ("L\u0065\u006e\u0067\u0074h(\u0055E\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (UE ));};_fcd .UE =[]byte (UE );};P ,_geb :=_ebg .Get ("\u0050").(*PdfObjectInteger );if !_geb {return _cf .New ("\u0065\u006e\u0063\u0072\u0079\u0070\u0074 \u0064\u0069\u0063t\u0069\u006f\u006e\u0061r\u0079\u0020\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0020\u0070\u0065\u0072\u006d\u0069\u0073\u0073\u0069\u006f\u006e\u0073\u0020\u0061\u0074\u0074\u0072");
};_fcd .P =_cd .Permissions (*P );if _fcd .R ==6{Perms ,_afd :=_ebg .GetString ("\u0050\u0065\u0072m\u0073");if !_afd {return _cf .New ("\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006ea\u0072y\u0020\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0020\u0050\u0065\u0072\u006d\u0073");
}else if len (Perms )!=16{return _cb .Errorf ("\u004ce\u006e\u0067\u0074\u0068\u0028\u0050\u0065\u0072\u006d\u0073\u0029 \u0021\u003d\u0020\u0031\u0036\u0020\u0028\u0025\u0064\u0029",len (Perms ));};_fcd .Perms =[]byte (Perms );};if _aef ,_da :=_ebg .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_da {_fcd .EncryptMetadata =bool (*_aef );}else {_fcd .EncryptMetadata =true ;};return nil ;};

// Append appends PdfObject(s) to the array.
func (_eeag *PdfObjectArray )Append (objects ...PdfObject ){if _eeag ==nil {_beff .Log .Debug ("\u0057\u0061\u0072\u006e\u0020\u002d\u0020\u0041\u0074\u0074\u0065\u006d\u0070t\u0020\u0074\u006f\u0020\u0061\u0070p\u0065\u006e\u0064\u0020\u0074\u006f\u0020\u0061\u0020\u006e\u0069\u006c\u0020a\u0072\u0072\u0061\u0079");
return ;};_eeag ._dcfe =append (_eeag ._dcfe ,objects ...);};

// ParseNumber parses a numeric objects from a buffered stream.
// Section 7.3.3.
// Integer or Float.
//
// An integer shall be written as one or more decimal digits optionally
// preceded by a sign. The value shall be interpreted as a signed
// decimal integer and shall be converted to an integer object.
//
// A real value shall be written as one or more decimal digits with an
// optional sign and a leading, trailing, or embedded PERIOD (2Eh)
// (decimal point). The value shall be interpreted as a real number
// and shall be converted to a real object.
//
// Regarding exponential numbers: 7.3.3 Numeric Objects:
// A conforming writer shall not use the PostScript syntax for numbers
// with non-decimal radices (such as 16#FFFE) or in exponential format
// (such as 6.02E23).
// Nonetheless, we sometimes get numbers with exponential format, so
// we will support it in the reader (no confusion with other types, so
// no compromise).
func ParseNumber (buf *_aab .Reader )(PdfObject ,error ){_cbba :=false ;_ceeg :=true ;var _ddab _dc .Buffer ;for {if _beff .Log .IsLogLevel (_beff .LogLevelTrace ){_beff .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_ddab .String ());
};_cdfbg ,_aebag :=buf .Peek (1);if _aebag ==_ac .EOF {break ;};if _aebag !=nil {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_aebag );return nil ,_aebag ;};if _ceeg &&(_cdfbg [0]=='-'||_cdfbg [0]=='+'){_adgbb ,_ :=buf .ReadByte ();
_ddab .WriteByte (_adgbb );_ceeg =false ;}else if IsDecimalDigit (_cdfbg [0]){_bgggc ,_ :=buf .ReadByte ();_ddab .WriteByte (_bgggc );}else if _cdfbg [0]=='.'{_eccgf ,_ :=buf .ReadByte ();_ddab .WriteByte (_eccgf );_cbba =true ;}else if _cdfbg [0]=='e'||_cdfbg [0]=='E'{_cdac ,_ :=buf .ReadByte ();
_ddab .WriteByte (_cdac );_cbba =true ;_ceeg =true ;}else {break ;};};var _dagb PdfObject ;if _cbba {_faegge ,_gdfd :=_b .ParseFloat (_ddab .String (),64);if _gdfd !=nil {_beff .Log .Debug ("\u0045\u0072r\u006f\u0072\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0025v\u0020\u0065\u0072\u0072\u003d\u0025v\u002e\u0020\u0055\u0073\u0069\u006e\u0067\u0020\u0030\u002e\u0030\u002e\u0020\u004fu\u0074\u0070u\u0074\u0020\u006d\u0061y\u0020\u0062\u0065\u0020\u0069n\u0063\u006f\u0072\u0072\u0065\u0063\u0074",_ddab .String (),_gdfd );
_faegge =0.0;};_daee :=PdfObjectFloat (_faegge );_dagb =&_daee ;}else {_ccbed ,_edbb :=_b .ParseInt (_ddab .String (),10,64);if _edbb !=nil {_beff .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u006e\u0075\u006db\u0065\u0072\u0020\u0025\u0076\u0020\u0065\u0072\u0072\u003d%\u0076\u002e\u0020\u0055\u0073\u0069\u006e\u0067\u0020\u0030\u002e\u0020\u004f\u0075\u0074\u0070\u0075\u0074 \u006d\u0061\u0079\u0020\u0062\u0065 \u0069\u006ec\u006f\u0072r\u0065c\u0074",_ddab .String (),_edbb );
_ccbed =0;};_ecfa :=PdfObjectInteger (_ccbed );_dagb =&_ecfa ;};return _dagb ,nil ;};

// IsEncrypted checks if the document is encrypted. A bool flag is returned indicating the result.
// First time when called, will check if the Encrypt dictionary is accessible through the trailer dictionary.
// If encrypted, prepares a crypt datastructure which can be used to authenticate and decrypt the document.
// On failure, an error is returned.
func (_aacgd *PdfParser )IsEncrypted ()(bool ,error ){if _aacgd ._eeef !=nil {return true ,nil ;}else if _aacgd ._dafb ==nil {return false ,nil ;};_beff .Log .Trace ("\u0043\u0068\u0065c\u006b\u0069\u006e\u0067 \u0065\u006e\u0063\u0072\u0079\u0070\u0074i\u006f\u006e\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0021");
_fdeg :=_aacgd ._dafb .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _fdeg ==nil {return false ,nil ;};_beff .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_faef *PdfObjectDictionary ;);switch _eeefc :=_fdeg .(type ){case *PdfObjectDictionary :_faef =_eeefc ;
case *PdfObjectReference :_beff .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_eeefc );_cedd ,_dcdff :=_aacgd .LookupByReference (*_eeefc );_beff .Log .Trace ("\u0031\u003a\u0020%\u0071",_cedd );
if _dcdff !=nil {return false ,_dcdff ;};_bcdg ,_ggbbd :=_cedd .(*PdfIndirectObject );if !_ggbbd {_beff .Log .Debug ("E\u006e\u0063\u0072\u0079\u0070\u0074\u0069\u006f\u006e\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u006eo\u0074\u0020\u0061\u006e\u0020\u0069\u006e\u0064\u0069\u0072ec\u0074\u0020\u006fb\u006ae\u0063\u0074");
return false ,_cf .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_dcadg ,_ggbbd :=_bcdg .PdfObject .(*PdfObjectDictionary );_beff .Log .Trace ("\u0032\u003a\u0020%\u0071",_dcadg );if !_ggbbd {return false ,_cf .New ("\u0074\u0072a\u0069\u006c\u0065\u0072 \u0045\u006ec\u0072\u0079\u0070\u0074\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u006e\u006f\u006e\u0020\u0064\u0069\u0063\u0074\u0069o\u006e\u0061\u0072\u0079");
};_faef =_dcadg ;case *PdfObjectNull :_beff .Log .Debug ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074 \u0069\u0073\u0020a\u0020\u006e\u0075l\u006c\u0020o\u0062\u006a\u0065\u0063\u0074\u002e \u0046il\u0065\u0020\u0073\u0068\u006f\u0075\u006c\u0064\u0020\u006e\u006f\u0074\u0020\u0062\u0065\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u002e");
return false ,nil ;default:return false ,_cb .Errorf ("u\u006es\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0074\u0079\u0070\u0065: \u0025\u0054",_eeefc );};_gcgg ,_agfd :=PdfCryptNewDecrypt (_aacgd ,_faef ,_aacgd ._dafb );if _agfd !=nil {return false ,_agfd ;
};for _ ,_fgac :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_fbcd :=_aacgd ._dafb .Get (PdfObjectName (_fgac ));if _fbcd ==nil {continue ;};switch _edcd :=_fbcd .(type ){case *PdfObjectReference :_gcgg ._baba [int (_edcd .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_gcgg ._ceb [_edcd ]=true ;_gcgg ._baba [int (_edcd .ObjectNumber )]=struct{}{};};};_aacgd ._eeef =_gcgg ;_beff .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_gcgg );
return true ,nil ;};

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _de .Filter ,userPass ,ownerPass []byte ,perm _cd .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_ccd :=&PdfCrypt {_deb :make (map[PdfObject ]bool ),_ab :make (cryptFilters ),_gggd :_cd .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _aae Version ;if cf !=nil {_gdg :=cf .PDFVersion ();_aae .Major ,_aae .Minor =_gdg [0],_gdg [1];V ,R :=cf .HandlerVersion ();_ccd ._dfb .V =V ;_ccd ._gggd .R =R ;_ccd ._dfb .Length =cf .KeyLength ()*8;};const (_ced =_fbbg ;);_ccd ._ab [_ced ]=cf ;if _ccd ._dfb .V >=4{_ccd ._bfc =_ced ;
_ccd ._gfb =_ced ;};_fgf :=_ccd .newEncryptDict ();_ff :=_ef .Sum ([]byte (_ce .Now ().Format (_ce .RFC850 )));_dfe :=string (_ff [:]);_cbe :=make ([]byte ,100);_dd .Read (_cbe );_ff =_ef .Sum (_cbe );_cfb :=string (_ff [:]);_beff .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_cbe );
_beff .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_dfe );_ccd ._gca =_dfe ;_cfad :=_ccd .generateParams (userPass ,ownerPass );if _cfad !=nil {return nil ,nil ,_cfad ;};_febf (&_ccd ._gggd ,_fgf );if _ccd ._dfb .V >=4{if _ggbf :=_ccd .saveCryptFilters (_fgf );
_ggbf !=nil {return nil ,nil ,_ggbf ;};};return _ccd ,&EncryptInfo {Version :_aae ,Encrypt :_fgf ,ID0 :_dfe ,ID1 :_cfb },nil ;};func (_ddaa *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_ddaa ._bbba .Seek (0,_ac .SeekStart );_ddaa ._dbac =_aab .NewReader (_ddaa ._bbba );
_edab :=20;_bdee :=make ([]byte ,_edab );for {_ebceg ,_dafdf :=_ddaa ._dbac .ReadByte ();if _dafdf !=nil {if _dafdf ==_ac .EOF {break ;}else {return 0,0,_dafdf ;};};if IsDecimalDigit (_ebceg )&&_bdee [_edab -1]=='.'&&IsDecimalDigit (_bdee [_edab -2])&&_bdee [_edab -3]=='-'&&_bdee [_edab -4]=='F'&&_bdee [_edab -5]=='D'&&_bdee [_edab -6]=='P'{_abaa :=int (_bdee [_edab -2]-'0');
_ddgd :=int (_ebceg -'0');return _abaa ,_ddgd ,nil ;};_bdee =append (_bdee [1:_edab ],_ebceg );};return 0,0,_cf .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_ggb *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_eaf ,_fga :=obj .(*PdfObjectReference );if !_fga {return obj ,nil ;};_caa :=_ggb .GetFileOffset ();defer func (){_ggb .SetFileOffset (_caa )}();_ebf ,_fca :=_ggb .LookupByReference (*_eaf );
if _fca !=nil {return nil ,_fca ;};_acd ,_egb :=_ebf .(*PdfIndirectObject );if !_egb {return _ebf ,nil ;};_ebf =_acd .PdfObject ;_ ,_fga =_ebf .(*PdfObjectReference );if _fga {return _acd ,_cf .New ("\u006d\u0075lt\u0069\u0020\u0064e\u0070\u0074\u0068\u0020tra\u0063e \u0070\u006f\u0069\u006e\u0074\u0065\u0072 t\u006f\u0020\u0070\u006f\u0069\u006e\u0074e\u0072");
};return _ebf ,nil ;};

// CCITTFaxEncoder implements Group3 and Group4 facsimile (fax) encoder/decoder.
type CCITTFaxEncoder struct{K int ;EndOfLine bool ;EncodedByteAlign bool ;Columns int ;Rows int ;EndOfBlock bool ;BlackIs1 bool ;DamagedRowsBeforeError int ;};

// PdfObjectBool represents the primitive PDF boolean object.
type PdfObjectBool bool ;

// IsDecimalDigit checks if the character is a part of a decimal number string.
func IsDecimalDigit (c byte )bool {return '0'<=c &&c <='9'};

// Elements returns a slice of the PdfObject elements in the array.
// Preferred over accessing the array directly as type may be changed in future major versions (v3).
func (_ccfd *PdfObjectStreams )Elements ()[]PdfObject {if _ccfd ==nil {return nil ;};return _ccfd ._bbeg ;};

// ToGoImage converts the JBIG2Image to the golang image.Image.
func (_cffd *JBIG2Image )ToGoImage ()(_be .Image ,error ){const _dfebg ="J\u0042I\u0047\u0032\u0049\u006d\u0061\u0067\u0065\u002eT\u006f\u0047\u006f\u0049ma\u0067\u0065";if _cffd .Data ==nil {return nil ,_bba .Error (_dfebg ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");
};if _cffd .Width ==0||_cffd .Height ==0{return nil ,_bba .Error (_dfebg ,"\u0069\u006d\u0061\u0067\u0065\u0020h\u0065\u0069\u0067\u0068\u0074\u0020\u006f\u0072\u0020\u0077\u0069\u0064\u0074h\u0020\u006e\u006f\u0074\u0020\u0064\u0065f\u0069\u006e\u0065\u0064");
};_aaad ,_bffb :=_bf .NewImage (_cffd .Width ,_cffd .Height ,1,1,_cffd .Data ,nil ,nil );if _bffb !=nil {return nil ,_bffb ;};return _aaad ,nil ;};const (XrefTypeTableEntry xrefType =iota ;XrefTypeObjectStream xrefType =iota ;);

// Append appends PdfObject(s) to the streams.
func (_bdba *PdfObjectStreams )Append (objects ...PdfObject ){if _bdba ==nil {_beff .Log .Debug ("\u0057\u0061\u0072\u006e\u0020-\u0020\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0020\u0074\u006f\u0020\u0061p\u0070\u0065\u006e\u0064\u0020\u0074\u006f\u0020\u0061\u0020\u006e\u0069\u006c\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0073");
return ;};_bdba ._bbeg =append (_bdba ._bbeg ,objects ...);};

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_cbad *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _abec _be .Image ;if _cbad .ColorComponents ==1&&_cbad .BitsPerComponent ==8{_abec =&_be .Gray {Rect :_be .Rect (0,0,_cbad .Width ,_cbad .Height ),Pix :data ,Stride :_bf .BytesPerLine (_cbad .Width ,_cbad .BitsPerComponent ,_cbad .ColorComponents )};
}else {var _ddea error ;_abec ,_ddea =_bf .NewImage (_cbad .Width ,_cbad .Height ,_cbad .BitsPerComponent ,_cbad .ColorComponents ,data ,nil ,nil );if _ddea !=nil {return nil ,_ddea ;};};_gebc :=_e .Options {};_gebc .Quality =_cbad .Quality ;var _eafa _dc .Buffer ;
if _debd :=_e .Encode (&_eafa ,_abec ,&_gebc );_debd !=nil {return nil ,_debd ;};return _eafa .Bytes (),nil ;};

// GetArray returns the *PdfObjectArray represented by the PdfObject directly or indirectly within an indirect
// object. On type mismatch the found bool flag is false and a nil pointer is returned.
func GetArray (obj PdfObject )(_fdca *PdfObjectArray ,_cbag bool ){_fdca ,_cbag =TraceToDirectObject (obj ).(*PdfObjectArray );return _fdca ,_cbag ;};

// MakeStream creates an PdfObjectStream with specified contents and encoding. If encoding is nil, then raw encoding
// will be used (i.e. no encoding applied).
func MakeStream (contents []byte ,encoder StreamEncoder )(*PdfObjectStream ,error ){_dace :=&PdfObjectStream {};if encoder ==nil {encoder =NewRawEncoder ();};_dace .PdfObjectDictionary =encoder .MakeStreamDict ();_befec ,_aagda :=encoder .EncodeBytes (contents );
if _aagda !=nil {return nil ,_aagda ;};_dace .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_befec ))));_dace .Stream =_befec ;return _dace ,nil ;};

// UpdateParams updates the parameter values of the encoder.
func (_ccec *JPXEncoder )UpdateParams (params *PdfObjectDictionary ){};

// WriteString outputs the object as it is to be written to file.
func (_gafdcg *PdfObjectStreams )WriteString ()string {var _agdd _gf .Builder ;_agdd .WriteString (_b .FormatInt (_gafdcg .ObjectNumber ,10));_agdd .WriteString ("\u0020\u0030\u0020\u0052");return _agdd .String ();};

// DecodeBytes decodes a slice of JBIG2 encoded bytes and returns the results.
func (_bbg *JBIG2Encoder )DecodeBytes (encoded []byte )([]byte ,error ){return _gg .DecodeBytes (encoded ,_cfg .Parameters {},_bbg .Globals );};func (_fegf *PdfParser )readTextLine ()(string ,error ){var _deda _dc .Buffer ;for {_fbdba ,_dfgdd :=_fegf ._dbac .Peek (1);
if _dfgdd !=nil {_beff .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_dfgdd .Error ());return _deda .String (),_dfgdd ;};if (_fbdba [0]!='\r')&&(_fbdba [0]!='\n'){_gafe ,_ :=_fegf ._dbac .ReadByte ();_deda .WriteByte (_gafe );}else {break ;
};};return _deda .String (),nil ;};

// GetStringVal returns the string value represented by the PdfObject directly or indirectly if
// contained within an indirect object. On type mismatch the found bool flag returned is false and
// an empty string is returned.
func GetStringVal (obj PdfObject )(_fbbge string ,_eagf bool ){_gcec ,_eagf :=TraceToDirectObject (obj ).(*PdfObjectString );if _eagf {return _gcec .Str (),true ;};return ;};

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_gbaf :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _gbaf ==nil {return NewRawEncoder (),nil ;};if _ ,_ccede :=_gbaf .(*PdfObjectNull );
_ccede {return NewRawEncoder (),nil ;};_fecg ,_ecgb :=_gbaf .(*PdfObjectName );if !_ecgb {_fdgc ,_ddcf :=_gbaf .(*PdfObjectArray );if !_ddcf {return nil ,_cb .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072 \u006e\u006f\u0074\u0020\u0061\u0020\u004e\u0061\u006d\u0065\u0020\u006f\u0072 \u0041\u0072\u0072\u0061\u0079\u0020\u006fb\u006a\u0065\u0063\u0074");
};if _fdgc .Len ()==0{return NewRawEncoder (),nil ;};if _fdgc .Len ()!=1{_abfb ,_cbaa :=_bgcc (streamObj );if _cbaa !=nil {_beff .Log .Error ("\u0046\u0061\u0069\u006c\u0065\u0064 \u0063\u0072\u0065\u0061\u0074\u0069\u006e\u0067\u0020\u006d\u0075\u006c\u0074i\u0020\u0065\u006e\u0063\u006f\u0064\u0065r\u003a\u0020\u0025\u0076",_cbaa );
return nil ,_cbaa ;};_beff .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_abfb );return _abfb ,nil ;};_gbaf =_fdgc .Get (0);_fecg ,_ddcf =_gbaf .(*PdfObjectName );if !_ddcf {return nil ,_cb .Errorf ("\u0066\u0069l\u0074\u0065\u0072\u0020a\u0072\u0072a\u0079\u0020\u006d\u0065\u006d\u0062\u0065\u0072 \u006e\u006f\u0074\u0020\u0061\u0020\u004e\u0061\u006d\u0065\u0020\u006fb\u006a\u0065\u0063\u0074");
};};if _caeeg ,_fcgcc :=_gbfda .Load (_fecg .String ());_fcgcc {return _caeeg .(StreamEncoder ),nil ;};switch *_fecg {case StreamEncodingFilterNameFlate :return _dgda (streamObj ,nil );case StreamEncodingFilterNameLZW :return _dbfg (streamObj ,nil );case StreamEncodingFilterNameDCT :return _fedd (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _bdb (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _badf (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _ebgd (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_beff .Log .Debug ("E\u0052\u0052\u004f\u0052\u003a\u0020U\u006e\u0073\u0075\u0070\u0070\u006fr\u0074\u0065\u0064\u0020\u0065\u006e\u0063o\u0064\u0069\u006e\u0067\u0020\u006d\u0065\u0074\u0068\u006fd\u0021");
return nil ,_cb .Errorf ("\u0075\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0065\u006e\u0063o\u0064i\u006e\u0067\u0020\u006d\u0065\u0074\u0068\u006f\u0064\u0020\u0028\u0025\u0073\u0029",*_fecg );};

// ReadBytesAt reads byte content at specific offset and length within the PDF.
func (_eabg *PdfParser )ReadBytesAt (offset ,len int64 )([]byte ,error ){_acgd :=_eabg .GetFileOffset ();_ ,_edga :=_eabg ._bbba .Seek (offset ,_ac .SeekStart );if _edga !=nil {return nil ,_edga ;};_bfgg :=make ([]byte ,len );_ ,_edga =_ac .ReadAtLeast (_eabg ._bbba ,_bfgg ,int (len ));
if _edga !=nil {return nil ,_edga ;};_eabg .SetFileOffset (_acgd );return _bfgg ,nil ;};

// DecodeStream decodes a FlateEncoded stream object and give back decoded bytes.
func (_eag *FlateEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_beff .Log .Trace ("\u0046l\u0061t\u0065\u0044\u0065\u0063\u006fd\u0065\u0020s\u0074\u0072\u0065\u0061\u006d");_beff .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_eag .Predictor );
if _eag .BitsPerComponent !=8{return nil ,_cb .Errorf ("\u0069\u006ev\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050\u0065\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u003d\u0025\u0064\u0020\u0028\u006f\u006e\u006c\u0079\u0020\u0038\u0020\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0029",_eag .BitsPerComponent );
};_eeda ,_cedea :=_eag .DecodeBytes (streamObj .Stream );if _cedea !=nil {return nil ,_cedea ;};_eeda ,_cedea =_eag .postDecodePredict (_eeda );if _cedea !=nil {return nil ,_cedea ;};return _eeda ,nil ;};var (ErrUnsupportedEncodingParameters =_cf .New ("\u0075\u006e\u0073u\u0070\u0070\u006f\u0072t\u0065\u0064\u0020\u0065\u006e\u0063\u006fd\u0069\u006e\u0067\u0020\u0070\u0061\u0072\u0061\u006d\u0065\u0074\u0065\u0072\u0073");
ErrNoCCITTFaxDecode =_cf .New ("\u0043\u0043I\u0054\u0054\u0046\u0061\u0078\u0044\u0065\u0063\u006f\u0064\u0065\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0069\u0073\u0020\u006e\u006f\u0074\u0020\u0079\u0065\u0074\u0020\u0069\u006d\u0070\u006c\u0065\u006d\u0065\u006e\u0074\u0065\u0064");
ErrNoJBIG2Decode =_cf .New ("\u004a\u0042\u0049\u0047\u0032\u0044\u0065c\u006f\u0064\u0065 \u0065\u006e\u0063\u006fd\u0069\u006e\u0067\u0020\u0069\u0073\u0020\u006e\u006f\u0074\u0020\u0079\u0065\u0074\u0020\u0069\u006d\u0070\u006c\u0065\u006d\u0065\u006e\u0074\u0065\u0064");
ErrNoJPXDecode =_cf .New ("\u004a\u0050\u0058\u0044\u0065c\u006f\u0064\u0065\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067\u0020i\u0073\u0020\u006e\u006f\u0074\u0020\u0079\u0065\u0074\u0020\u0069\u006d\u0070\u006c\u0065\u006d\u0065\u006e\u0074\u0065\u0064");
ErrNoPdfVersion =_cf .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_cf .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_cf .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_afg .New ("\u0066\u0065\u0061t\u0075\u0072\u0065\u0020n\u006f\u0074\u0020\u0063\u0075\u0072\u0072e\u006e\u0074\u006c\u0079\u0020\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064");ErrNotANumber =_cf .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);

// WriteString outputs the object as it is to be written to file.
func (_gge *PdfObjectName )WriteString ()string {var _debe _dc .Buffer ;if len (*_gge )> 127{_beff .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a \u004e\u0061\u006d\u0065\u0020t\u006fo\u0020l\u006f\u006e\u0067\u0020\u0028\u0025\u0073)",*_gge );};_debe .WriteString ("\u002f");
for _cegb :=0;_cegb < len (*_gge );_cegb ++{_ebfg :=(*_gge )[_cegb ];if !IsPrintable (_ebfg )||_ebfg =='#'||IsDelimiter (_ebfg ){_debe .WriteString (_cb .Sprintf ("\u0023\u0025\u002e2\u0078",_ebfg ));}else {_debe .WriteByte (_ebfg );};};return _debe .String ();
};func _fedd (_fdc *PdfObjectStream ,_dfeb *MultiEncoder )(*DCTEncoder ,error ){_ffga :=NewDCTEncoder ();_efec :=_fdc .PdfObjectDictionary ;if _efec ==nil {return _ffga ,nil ;};_fbe :=_fdc .Stream ;if _dfeb !=nil {_eegc ,_agd :=_dfeb .DecodeBytes (_fbe );
if _agd !=nil {return nil ,_agd ;};_fbe =_eegc ;};_beea :=_dc .NewReader (_fbe );_ecaf ,_cfed :=_e .DecodeConfig (_beea );if _cfed !=nil {_beff .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_cfed );
return nil ,_cfed ;};switch _ecaf .ColorModel {case _bb .RGBAModel :_ffga .BitsPerComponent =8;_ffga .ColorComponents =3;case _bb .RGBA64Model :_ffga .BitsPerComponent =16;_ffga .ColorComponents =3;case _bb .GrayModel :_ffga .BitsPerComponent =8;_ffga .ColorComponents =1;
case _bb .Gray16Model :_ffga .BitsPerComponent =16;_ffga .ColorComponents =1;case _bb .CMYKModel :_ffga .BitsPerComponent =8;_ffga .ColorComponents =4;case _bb .YCbCrModel :_ffga .BitsPerComponent =8;_ffga .ColorComponents =3;default:return nil ,_cf .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_ffga .Width =_ecaf .Width ;_ffga .Height =_ecaf .Height ;_beff .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_ffga );_ffga .Quality =DefaultJPEGQuality ;return _ffga ,nil ;};

// DecodeStream returns the passed in stream as a slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_ggad *RawEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return streamObj .Stream ,nil ;};

// GetFilterName returns the name of the encoding filter.
func (_cbece *DCTEncoder )GetFilterName ()string {return StreamEncodingFilterNameDCT };

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_fbaa *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_beff .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_beff .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_fbaa .Predictor );
_dgef ,_cfacf :=_fbaa .DecodeBytes (streamObj .Stream );if _cfacf !=nil {return nil ,_cfacf ;};_beff .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_beff .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_dgef ),_dgef );
if _fbaa .Predictor > 1{if _fbaa .Predictor ==2{_beff .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_ccfc :=_fbaa .Columns *_fbaa .Colors ;if _ccfc < 1{return []byte {},nil ;};_bbcb :=len (_dgef )/_ccfc ;
if len (_dgef )%_ccfc !=0{_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020T\u0049\u0046\u0046 \u0065\u006e\u0063\u006fd\u0069\u006e\u0067\u003a\u0020\u0049\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u002e\u002e\u002e");
return nil ,_cb .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077 \u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064/\u0025\u0064\u0029",len (_dgef ),_ccfc );};if _ccfc %_fbaa .Colors !=0{return nil ,_cb .Errorf ("\u0069\u006ev\u0061\u006c\u0069\u0064 \u0072\u006fw\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u0020(\u0025\u0064\u0029\u0020\u0066\u006f\u0072\u0020\u0063\u006f\u006c\u006fr\u0073\u0020\u0025\u0064",_ccfc ,_fbaa .Colors );
};if _ccfc > len (_dgef ){_beff .Log .Debug ("\u0052\u006fw\u0020\u006c\u0065\u006e\u0067t\u0068\u0020\u0063\u0061\u006en\u006f\u0074\u0020\u0062\u0065\u0020\u006c\u006f\u006e\u0067\u0065\u0072\u0020\u0074\u0068\u0061\u006e\u0020\u0064\u0061\u0074\u0061\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064\u002f\u0025\u0064\u0029",_ccfc ,len (_dgef ));
return nil ,_cf .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_beff .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_dgef ),_dgef );
_abeg :=_dc .NewBuffer (nil );for _adae :=0;_adae < _bbcb ;_adae ++{_ged :=_dgef [_ccfc *_adae :_ccfc *(_adae +1)];for _cgbg :=_fbaa .Colors ;_cgbg < _ccfc ;_cgbg ++{_ged [_cgbg ]=byte (int (_ged [_cgbg ]+_ged [_cgbg -_fbaa .Colors ])%256);};_abeg .Write (_ged );
};_adge :=_abeg .Bytes ();_beff .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_adge ),_adge );return _adge ,nil ;}else if _fbaa .Predictor >=10&&_fbaa .Predictor <=15{_beff .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_efa :=_fbaa .Columns *_fbaa .Colors +1;if _efa < 1{return []byte {},nil ;};_ffab :=len (_dgef )/_efa ;if len (_dgef )%_efa !=0{return nil ,_cb .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077 \u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064/\u0025\u0064\u0029",len (_dgef ),_efa );
};if _efa > len (_dgef ){_beff .Log .Debug ("\u0052\u006fw\u0020\u006c\u0065\u006e\u0067t\u0068\u0020\u0063\u0061\u006en\u006f\u0074\u0020\u0062\u0065\u0020\u006c\u006f\u006e\u0067\u0065\u0072\u0020\u0074\u0068\u0061\u006e\u0020\u0064\u0061\u0074\u0061\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064\u002f\u0025\u0064\u0029",_efa ,len (_dgef ));
return nil ,_cf .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_bafde :=_dc .NewBuffer (nil );_beff .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_fbaa .Columns );
_beff .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_dgef ),_efa ,_ffab );_ageg :=make ([]byte ,_efa );for _dgdb :=0;_dgdb < _efa ;_dgdb ++{_ageg [_dgdb ]=0;
};for _geg :=0;_geg < _ffab ;_geg ++{_cgd :=_dgef [_efa *_geg :_efa *(_geg +1)];_ebed :=_cgd [0];switch _ebed {case 0:case 1:for _ccac :=2;_ccac < _efa ;_ccac ++{_cgd [_ccac ]=byte (int (_cgd [_ccac ]+_cgd [_ccac -1])%256);};case 2:for _gdd :=1;_gdd < _efa ;
_gdd ++{_cgd [_gdd ]=byte (int (_cgd [_gdd ]+_ageg [_gdd ])%256);};default:_beff .Log .Debug ("\u0045\u0052\u0052O\u0052\u003a\u0020\u0049n\u0076\u0061\u006c\u0069\u0064\u0020\u0066i\u006c\u0074\u0065\u0072\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_ebed );
return nil ,_cb .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_ebed );};for _abf :=0;_abf < _efa ;_abf ++{_ageg [_abf ]=_cgd [_abf ];};_bafde .Write (_cgd [1:]);
};_aaa :=_bafde .Bytes ();return _aaa ,nil ;}else {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a \u0055\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072 \u0028\u0025\u0064\u0029",_fbaa .Predictor );
return nil ,_cb .Errorf ("\u0075\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0070\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020(\u0025\u0064\u0029",_fbaa .Predictor );};};return _dgef ,nil ;};

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_cbb *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_fcac :=_dc .NewReader (encoded );var _egaa []byte ;for {_decb ,_bgcge :=_fcac .ReadByte ();if _bgcge !=nil {return nil ,_bgcge ;};if _decb =='>'{break ;};if IsWhiteSpace (_decb ){continue ;
};if (_decb >='a'&&_decb <='f')||(_decb >='A'&&_decb <='F')||(_decb >='0'&&_decb <='9'){_egaa =append (_egaa ,_decb );}else {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0049\u006e\u0076\u0061\u006c\u0069d\u0020\u0061\u0073\u0063\u0069\u0069 \u0068\u0065\u0078\u0020\u0063\u0068\u0061\u0072\u0061\u0063\u0074\u0065\u0072 \u0028\u0025\u0063\u0029",_decb );
return nil ,_cb .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0061\u0073\u0063\u0069\u0069\u0020\u0068e\u0078 \u0063\u0068\u0061\u0072\u0061\u0063\u0074\u0065\u0072\u0020\u0028\u0025\u0063\u0029",_decb );};};if len (_egaa )%2==1{_egaa =append (_egaa ,'0');
};_beff .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_egaa );_afea :=make ([]byte ,_bg .DecodedLen (len (_egaa )));_ ,_egc :=_bg .Decode (_afea ,_egaa );if _egc !=nil {return nil ,_egc ;};return _afea ,nil ;};func (_fggg *PdfParser )repairSeekXrefMarker ()error {_agcb ,_ffaea :=_fggg ._bbba .Seek (0,_ac .SeekEnd );
if _ffaea !=nil {return _ffaea ;};_baccb :=_af .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");var _eccee int64 ;var _aedfc int64 =1000;for _eccee < _agcb {if _agcb <=(_aedfc +_eccee ){_aedfc =_agcb -_eccee ;};_ ,_dcab :=_fggg ._bbba .Seek (-_eccee -_aedfc ,_ac .SeekEnd );
if _dcab !=nil {return _dcab ;};_bgba :=make ([]byte ,_aedfc );_fggg ._bbba .Read (_bgba );_beff .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_bgba ));
_aabe :=_baccb .FindAllStringIndex (string (_bgba ),-1);if _aabe !=nil {_ggafa :=_aabe [len (_aabe )-1];_beff .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_aabe );_fggg ._bbba .Seek (-_eccee -_aedfc +int64 (_ggafa [0]),_ac .SeekEnd );
_fggg ._dbac =_aab .NewReader (_fggg ._bbba );for {_fcbca ,_fbcab :=_fggg ._dbac .Peek (1);if _fbcab !=nil {return _fbcab ;};_beff .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_fcbca [0],_fcbca [0]);if !IsWhiteSpace (_fcbca [0]){break ;
};_fggg ._dbac .Discard (1);};return nil ;};_beff .Log .Debug ("\u0057\u0061\u0072\u006e\u0069\u006eg\u003a\u0020\u0045\u004f\u0046\u0020\u006d\u0061\u0072\u006b\u0065\u0072\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064\u0021\u0020\u002d\u0020\u0063\u006f\u006e\u0074\u0069\u006e\u0075\u0065\u0020s\u0065e\u006b\u0069\u006e\u0067");
_eccee +=_aedfc ;};_beff .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u003a\u0020\u0058\u0072\u0065\u0066\u0020\u0074a\u0062\u006c\u0065\u0020\u006d\u0061r\u006b\u0065\u0072\u0020\u0077\u0061\u0073\u0020\u006e\u006f\u0074\u0020\u0066o\u0075\u006e\u0064\u002e");
return _cf .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};

// UpdateParams updates the parameter values of the encoder.
func (_cfbec *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _dfefa ,_efff :=GetNumberAsInt64 (params .Get ("\u004b"));_efff ==nil {_cfbec .K =int (_dfefa );};if _gfff ,_bcg :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_bcg ==nil {_cfbec .Columns =int (_gfff );}else if _gfff ,_bcg =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_bcg ==nil {_cfbec .Columns =int (_gfff );};if _ceg ,_gda :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_gda ==nil {_cfbec .BlackIs1 =_ceg > 0;}else {if _gffb ,_eacd :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_eacd {_cfbec .BlackIs1 =_gffb ;}else {if _ebeb ,_fgda :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_fgda {_afac ,_gafb :=_ebeb .ToIntegerArray ();if _gafb ==nil {_cfbec .BlackIs1 =_afac [0]==1&&_afac [1]==0;};};};};if _aaef ,_dfgg :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_dfgg ==nil {_cfbec .EncodedByteAlign =_aaef > 0;}else {if _gcb ,_def :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_def {_cfbec .EncodedByteAlign =_gcb ;};};if _bec ,_dcceb :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_dcceb ==nil {_cfbec .EndOfLine =_bec > 0;}else {if _begcb ,_dced :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_dced {_cfbec .EndOfLine =_begcb ;};};if _agag ,_baeg :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));
_baeg ==nil {_cfbec .Rows =int (_agag );}else if _agag ,_baeg =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_baeg ==nil {_cfbec .Rows =int (_agag );};if _cbbc ,_ecb :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_ecb ==nil {_cfbec .EndOfBlock =_cbbc > 0;}else {if _gfga ,_fbae :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_fbae {_cfbec .EndOfBlock =_gfga ;};};if _aec ,_geba :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_geba !=nil {_cfbec .DamagedRowsBeforeError =int (_aec );};};func _bgcc (_acagc *PdfObjectStream )(*MultiEncoder ,error ){_cgg :=NewMultiEncoder ();_ddb :=_acagc .PdfObjectDictionary ;if _ddb ==nil {return _cgg ,nil ;};var _egcd *PdfObjectDictionary ;var _defb []PdfObject ;
_fbag :=_ddb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _fbag !=nil {_abda ,_ggd :=_fbag .(*PdfObjectDictionary );if _ggd {_egcd =_abda ;};_ffee ,_deeb :=_fbag .(*PdfObjectArray );if _deeb {for _ ,_eecd :=range _ffee .Elements (){_eecd =TraceToDirectObject (_eecd );
if _gace ,_fef :=_eecd .(*PdfObjectDictionary );_fef {_defb =append (_defb ,_gace );}else {_defb =append (_defb ,MakeDict ());};};};};_fbag =_ddb .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");if _fbag ==nil {return nil ,_cb .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");
};_ggff ,_eacf :=_fbag .(*PdfObjectArray );if !_eacf {return nil ,_cb .Errorf ("m\u0075\u006c\u0074\u0069\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u0063\u0061\u006e\u0020\u006f\u006el\u0079\u0020\u0062\u0065\u0020\u006d\u0061\u0064\u0065\u0020fr\u006f\u006d\u0020a\u0072r\u0061\u0079");
};for _gcfdc ,_affg :=range _ggff .Elements (){_fcc ,_cecc :=_affg .(*PdfObjectName );if !_cecc {return nil ,_cb .Errorf ("\u006d\u0075l\u0074\u0069\u0020\u0066i\u006c\u0074e\u0072\u0020\u0061\u0072\u0072\u0061\u0079\u0020e\u006c\u0065\u006d\u0065\u006e\u0074\u0020\u006e\u006f\u0074\u0020\u0061 \u006e\u0061\u006d\u0065");
};var _ecae PdfObject ;if _egcd !=nil {_ecae =_egcd ;}else {if len (_defb )> 0{if _gcfdc >=len (_defb ){return nil ,_cb .Errorf ("\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0020\u0065\u006c\u0065\u006d\u0065n\u0074\u0073\u0020\u0069\u006e\u0020d\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006d\u0073\u0020a\u0072\u0072\u0061\u0079");
};_ecae =_defb [_gcfdc ];};};var _cfae *PdfObjectDictionary ;if _bbcda ,_fcfd :=_ecae .(*PdfObjectDictionary );_fcfd {_cfae =_bbcda ;};_beff .Log .Trace ("\u004e\u0065\u0078t \u006e\u0061\u006d\u0065\u003a\u0020\u0025\u0073\u002c \u0064p\u003a \u0025v\u002c\u0020\u0064\u0050\u0061\u0072\u0061\u006d\u0073\u003a\u0020\u0025\u0076",*_fcc ,_ecae ,_cfae );
if *_fcc ==StreamEncodingFilterNameFlate {_gbfad ,_dbgg :=_dgda (_acagc ,_cfae );if _dbgg !=nil {return nil ,_dbgg ;};_cgg .AddEncoder (_gbfad );}else if *_fcc ==StreamEncodingFilterNameLZW {_eda ,_cdab :=_dbfg (_acagc ,_cfae );if _cdab !=nil {return nil ,_cdab ;
};_cgg .AddEncoder (_eda );}else if *_fcc ==StreamEncodingFilterNameASCIIHex {_dbggb :=NewASCIIHexEncoder ();_cgg .AddEncoder (_dbggb );}else if *_fcc ==StreamEncodingFilterNameASCII85 {_ebece :=NewASCII85Encoder ();_cgg .AddEncoder (_ebece );}else if *_fcc ==StreamEncodingFilterNameDCT {_fcacd ,_aadaf :=_fedd (_acagc ,_cgg );
if _aadaf !=nil {return nil ,_aadaf ;};_cgg .AddEncoder (_fcacd );_beff .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_beff .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_cgg );
}else {_beff .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_fcc );return nil ,_cb .Errorf ("\u0069\u006eva\u006c\u0069\u0064 \u0066\u0069\u006c\u0074er \u0069n \u006d\u0075\u006c\u0074\u0069\u0020\u0066il\u0074\u0065\u0072\u0020\u0061\u0072\u0072a\u0079");
};};return _cgg ,nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set.  Some other parameters are generated elsewhere.
func (_ffbf *DCTEncoder )MakeStreamDict ()*PdfObjectDictionary {_gbef :=MakeDict ();_gbef .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_ffbf .GetFilterName ()));return _gbef ;};

// Str returns the string value of the PdfObjectString. Defined in addition to String() function to clarify that
// this function returns the underlying string directly, whereas the String function technically could include
// debug info.
func (_deaf *PdfObjectString )Str ()string {return _deaf ._bdccf };

// ASCII85Encoder implements ASCII85 encoder/decoder.
type ASCII85Encoder struct{};

// JPXEncoder implements JPX encoder/decoder (dummy, for now)
// FIXME: implement
type JPXEncoder struct{};

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_cdca *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_cffg :=_dc .NewReader (encoded );_deab ,_beb :=_e .Decode (_cffg );if _beb !=nil {_beff .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_beb );
return nil ,_beb ;};_dabf :=_deab .Bounds ();var _cagd =make ([]byte ,_dabf .Dx ()*_dabf .Dy ()*_cdca .ColorComponents *_cdca .BitsPerComponent /8);_aff :=0;for _bfa :=_dabf .Min .Y ;_bfa < _dabf .Max .Y ;_bfa ++{for _dabb :=_dabf .Min .X ;_dabb < _dabf .Max .X ;
_dabb ++{_badc :=_deab .At (_dabb ,_bfa );if _cdca .ColorComponents ==1{if _cdca .BitsPerComponent ==16{_eccb ,_baea :=_badc .(_bb .Gray16 );if !_baea {return nil ,_cf .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_cagd [_aff ]=byte ((_eccb .Y >>8)&0xff);_aff ++;_cagd [_aff ]=byte (_eccb .Y &0xff);_aff ++;}else {_afca ,_dacf :=_badc .(_bb .Gray );if !_dacf {return nil ,_cf .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_cagd [_aff ]=_afca .Y &0xff;_aff ++;};}else if _cdca .ColorComponents ==3{if _cdca .BitsPerComponent ==16{_acdb ,_faae :=_badc .(_bb .RGBA64 );if !_faae {return nil ,_cf .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_cagd [_aff ]=byte ((_acdb .R >>8)&0xff);_aff ++;_cagd [_aff ]=byte (_acdb .R &0xff);_aff ++;_cagd [_aff ]=byte ((_acdb .G >>8)&0xff);_aff ++;_cagd [_aff ]=byte (_acdb .G &0xff);_aff ++;_cagd [_aff ]=byte ((_acdb .B >>8)&0xff);_aff ++;_cagd [_aff ]=byte (_acdb .B &0xff);
_aff ++;}else {_efae ,_edeg :=_badc .(_bb .RGBA );if _edeg {_cagd [_aff ]=_efae .R &0xff;_aff ++;_cagd [_aff ]=_efae .G &0xff;_aff ++;_cagd [_aff ]=_efae .B &0xff;_aff ++;}else {_dcd ,_gbba :=_badc .(_bb .YCbCr );if !_gbba {return nil ,_cf .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_ddg ,_bbec ,_ebfdf ,_ :=_dcd .RGBA ();_cagd [_aff ]=byte (_ddg >>8);_aff ++;_cagd [_aff ]=byte (_bbec >>8);_aff ++;_cagd [_aff ]=byte (_ebfdf >>8);_aff ++;};};}else if _cdca .ColorComponents ==4{_aeebf ,_fdbb :=_badc .(_bb .CMYK );if !_fdbb {return nil ,_cf .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_cagd [_aff ]=255-_aeebf .C &0xff;_aff ++;_cagd [_aff ]=255-_aeebf .M &0xff;_aff ++;_cagd [_aff ]=255-_aeebf .Y &0xff;_aff ++;_cagd [_aff ]=255-_aeebf .K &0xff;_aff ++;};};};return _cagd ,nil ;};func (_ecce *JBIG2Encoder )encodeImage (_ageff _be .Image )([]byte ,error ){const _efc ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";
_gbab ,_dcff :=GoImageToJBIG2 (_ageff ,JB2ImageAutoThreshold );if _dcff !=nil {return nil ,_bba .Wrap (_dcff ,_efc ,"\u0063\u006f\u006e\u0076\u0065\u0072\u0074\u0020\u0069\u006e\u0070\u0075\u0074\u0020\u0069m\u0061g\u0065\u0020\u0074\u006f\u0020\u006a\u0062\u0069\u0067\u0032\u0020\u0069\u006d\u0067");
};if _dcff =_ecce .AddPageImage (_gbab ,&_ecce .DefaultPageSettings );_dcff !=nil {return nil ,_bba .Wrap (_dcff ,_efc ,"");};return _ecce .Encode ();};

// GetNumberAsInt64 returns the contents of `obj` as an int64 if it is an integer or float, or an
// error if it isn't. This is for cases where expecting an integer, but some implementations
// actually store the number in a floating point format.
func GetNumberAsInt64 (obj PdfObject )(int64 ,error ){switch _gegff :=obj .(type ){case *PdfObjectFloat :_beff .Log .Debug ("\u004e\u0075m\u0062\u0065\u0072\u0020\u0065\u0078\u0070\u0065\u0063\u0074\u0065\u0064\u0020\u0061\u0073\u0020\u0069\u006e\u0074e\u0067\u0065\u0072\u0020\u0077\u0061s\u0020\u0073\u0074\u006f\u0072\u0065\u0064\u0020\u0061\u0073\u0020\u0066\u006c\u006fa\u0074\u0020(\u0074\u0079\u0070\u0065 \u0063\u0061\u0073\u0074\u0069n\u0067\u0020\u0075\u0073\u0065\u0064\u0029");
return int64 (*_gegff ),nil ;case *PdfObjectInteger :return int64 (*_gegff ),nil ;};return 0,ErrNotANumber ;};

// JBIG2Encoder implements both jbig2 encoder and the decoder. The encoder allows to encode
// provided images (best used document scans) in multiple way. By default it uses single page generic
// encoder. It allows to store lossless data as a single segment.
// In order to store multiple image pages use the 'FileMode' which allows to store more pages within single jbig2 document.
// WIP: In order to obtain better compression results the encoder would allow to encode the input in a
// lossy or lossless way with a component (symbol) mode. It divides the image into components.
// Then checks if any component is 'similar' to the others and maps them together. The symbol classes are stored
// in the dictionary. Then the encoder creates text regions which uses the related symbol classes to fill it's space.
// The similarity is defined by the 'Threshold' variable (default: 0.95). The less the value is, the more components
// matches to single class, thus the compression is better, but the result might become lossy.
type JBIG2Encoder struct{

// These values are required to be set for the 'EncodeBytes' method.
// ColorComponents defines the number of color components for provided image.
ColorComponents int ;

// BitsPerComponent is the number of bits that stores per color component
BitsPerComponent int ;

// Width is the width of the image to encode
Width int ;

// Height is the height of the image to encode.
Height int ;_fegg *_fe .Document ;

// Globals are the JBIG2 global segments.
Globals _gg .Globals ;

// IsChocolateData defines if the data is encoded such that
// binary data '1' means black and '0' white.
// otherwise the data is called vanilla.
// Naming convention taken from: 'https://en.wikipedia.org/wiki/Binary_image#Interpretation'
IsChocolateData bool ;

// DefaultPageSettings are the settings parameters used by the jbig2 encoder.
DefaultPageSettings JBIG2EncoderSettings ;};

// GetStringBytes is like GetStringVal except that it returns the string as a []byte.
// It is for convenience.
func GetStringBytes (obj PdfObject )(_gccf []byte ,_cgaef bool ){_eaefd ,_cgaef :=TraceToDirectObject (obj ).(*PdfObjectString );if _cgaef {return _eaefd .Bytes (),true ;};return ;};func (_ccb *PdfCrypt )generateParams (_dbf ,_dgd []byte )error {_bgb :=_ccb .securityHandler ();
_faee ,_fbc :=_bgb .GenerateParams (&_ccb ._gggd ,_dgd ,_dbf );if _fbc !=nil {return _fbc ;};_ccb ._gae =_faee ;return nil ;};

// EncodeBytes encodes data into ASCII85 encoded format.
func (_fbeb *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _deca _dc .Buffer ;for _fffg :=0;_fffg < len (data );_fffg +=4{_edbe :=data [_fffg ];_deg :=1;_aadf :=byte (0);if _fffg +1< len (data ){_aadf =data [_fffg +1];_deg ++;};_deea :=byte (0);
if _fffg +2< len (data ){_deea =data [_fffg +2];_deg ++;};_badd :=byte (0);if _fffg +3< len (data ){_badd =data [_fffg +3];_deg ++;};_eebf :=(uint32 (_edbe )<<24)|(uint32 (_aadf )<<16)|(uint32 (_deea )<<8)|uint32 (_badd );if _eebf ==0{_deca .WriteByte ('z');
}else {_aaca :=_fbeb .base256Tobase85 (_eebf );for _ ,_gacd :=range _aaca [:_deg +1]{_deca .WriteByte (_gacd +'!');};};};_deca .WriteString ("\u007e\u003e");return _deca .Bytes (),nil ;};

// GetFilterName returns the name of the encoding filter.
func (_bbb *ASCII85Encoder )GetFilterName ()string {return StreamEncodingFilterNameASCII85 };

// WriteString outputs the object as it is to be written to file.
func (_eaafa *PdfIndirectObject )WriteString ()string {var _dbba _gf .Builder ;_dbba .WriteString (_b .FormatInt (_eaafa .ObjectNumber ,10));_dbba .WriteString ("\u0020\u0030\u0020\u0052");return _dbba .String ();};func (_bacf *PdfParser )parseBool ()(PdfObjectBool ,error ){_adf ,_efddd :=_bacf ._dbac .Peek (4);
if _efddd !=nil {return PdfObjectBool (false ),_efddd ;};if (len (_adf )>=4)&&(string (_adf [:4])=="\u0074\u0072\u0075\u0065"){_bacf ._dbac .Discard (4);return PdfObjectBool (true ),nil ;};_adf ,_efddd =_bacf ._dbac .Peek (5);if _efddd !=nil {return PdfObjectBool (false ),_efddd ;
};if (len (_adf )>=5)&&(string (_adf [:5])=="\u0066\u0061\u006cs\u0065"){_bacf ._dbac .Discard (5);return PdfObjectBool (false ),nil ;};return PdfObjectBool (false ),_cf .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");
};type offsetReader struct{_febe _ac .ReadSeeker ;_agbc int64 ;};var _cdcf =_af .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");

// GetXrefTable returns the PDFs xref table.
func (_aadg *PdfParser )GetXrefTable ()XrefTable {return _aadg ._bedf };

// PdfObjectArray represents the primitive PDF array object.
type PdfObjectArray struct{_dcfe []PdfObject };

// LZWEncoder provides LZW encoding/decoding functionality.
type LZWEncoder struct{Predictor int ;BitsPerComponent int ;

// For predictors
Columns int ;Colors int ;

// LZW algorithm setting.
EarlyChange int ;};

// MakeInteger creates a PdfObjectInteger from an int64.
func MakeInteger (val int64 )*PdfObjectInteger {_cfaef :=PdfObjectInteger (val );return &_cfaef };

// NewRunLengthEncoder makes a new run length encoder
func NewRunLengthEncoder ()*RunLengthEncoder {return &RunLengthEncoder {}};var _fgbef =_af .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");

// WriteString outputs the object as it is to be written to file.
func (_cacb *PdfObjectInteger )WriteString ()string {return _b .FormatInt (int64 (*_cacb ),10)};

// ParseDict reads and parses a PDF dictionary object enclosed with '<<' and '>>'
func (_afcf *PdfParser )ParseDict ()(*PdfObjectDictionary ,error ){_beff .Log .Trace ("\u0052\u0065\u0061\u0064\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020D\u0069\u0063\u0074\u0021");_ddfc :=MakeDict ();_ddfc ._dfebf =_afcf ;_efcg ,_ :=_afcf ._dbac .ReadByte ();
if _efcg !='<'{return nil ,_cf .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");};_efcg ,_ =_afcf ._dbac .ReadByte ();if _efcg !='<'{return nil ,_cf .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");
};for {_afcf .skipSpaces ();_afcf .skipComments ();_effdg ,_bacgf :=_afcf ._dbac .Peek (2);if _bacgf !=nil {return nil ,_bacgf ;};_beff .Log .Trace ("D\u0069c\u0074\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_effdg ),string (_effdg ));
if (_effdg [0]=='>')&&(_effdg [1]=='>'){_beff .Log .Trace ("\u0045\u004f\u0046\u0020\u0064\u0069\u0063\u0074\u0069o\u006e\u0061\u0072\u0079");_afcf ._dbac .ReadByte ();_afcf ._dbac .ReadByte ();break ;};_beff .Log .Trace ("\u0050a\u0072s\u0065\u0020\u0074\u0068\u0065\u0020\u006e\u0061\u006d\u0065\u0021");
_cgdg ,_bacgf :=_afcf .parseName ();_beff .Log .Trace ("\u004be\u0079\u003a\u0020\u0025\u0073",_cgdg );if _bacgf !=nil {_beff .Log .Debug ("E\u0052\u0052\u004f\u0052\u0020\u0052e\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006ea\u006d\u0065\u0020e\u0072r\u0020\u0025\u0073",_bacgf );
return nil ,_bacgf ;};if len (_cgdg )> 4&&_cgdg [len (_cgdg )-4:]=="\u006e\u0075\u006c\u006c"{_eaee :=_cgdg [0:len (_cgdg )-4];_beff .Log .Debug ("\u0054\u0061\u006b\u0069n\u0067\u0020\u0063\u0061\u0072\u0065\u0020\u006f\u0066\u0020n\u0075l\u006c\u0020\u0062\u0075\u0067\u0020\u0028%\u0073\u0029",_cgdg );
_beff .Log .Debug ("\u004e\u0065\u0077\u0020ke\u0079\u0020\u0022\u0025\u0073\u0022\u0020\u003d\u0020\u006e\u0075\u006c\u006c",_eaee );_afcf .skipSpaces ();_cfbb ,_ :=_afcf ._dbac .Peek (1);if _cfbb [0]=='/'{_ddfc .Set (_eaee ,MakeNull ());continue ;};};
_afcf .skipSpaces ();_cdcd ,_bacgf :=_afcf .parseObject ();if _bacgf !=nil {return nil ,_bacgf ;};_ddfc .Set (_cgdg ,_cdcd );if _beff .Log .IsLogLevel (_beff .LogLevelTrace ){_beff .Log .Trace ("\u0064\u0069\u0063\u0074\u005b\u0025\u0073\u005d\u0020\u003d\u0020\u0025\u0073",_cgdg ,_cdcd .String ());
};};_beff .Log .Trace ("\u0072\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020\u0044\u0069\u0063\u0074\u0021");return _ddfc ,nil ;};

// GetFilterName returns the name of the encoding filter.
func (_edd *RawEncoder )GetFilterName ()string {return StreamEncodingFilterNameRaw };

// PdfObjectNull represents the primitive PDF null object.
type PdfObjectNull struct{};

// MakeName creates a PdfObjectName from a string.
func MakeName (s string )*PdfObjectName {_geeg :=PdfObjectName (s );return &_geeg };

// GetFilterName returns the name of the encoding filter.
func (_ebc *RunLengthEncoder )GetFilterName ()string {return StreamEncodingFilterNameRunLength };

// MakeIndirectObject creates an PdfIndirectObject with a specified direct object PdfObject.
func MakeIndirectObject (obj PdfObject )*PdfIndirectObject {_afdg :=&PdfIndirectObject {};_afdg .PdfObject =obj ;return _afdg ;};

// GetAsFloat64Slice returns the array as []float64 slice.
// Returns an error if not entirely numeric (only PdfObjectIntegers, PdfObjectFloats).
func (_dcgc *PdfObjectArray )GetAsFloat64Slice ()([]float64 ,error ){var _bdfgc []float64 ;for _ ,_dbb :=range _dcgc .Elements (){_gfde ,_bbbf :=GetNumberAsFloat (TraceToDirectObject (_dbb ));if _bbbf !=nil {return nil ,_cb .Errorf ("\u0061\u0072\u0072\u0061\u0079\u0020\u0065\u006c\u0065\u006d\u0065n\u0074\u0020\u006e\u006f\u0074\u0020\u0061\u0020\u006e\u0075m\u0062\u0065\u0072");
};_bdfgc =append (_bdfgc ,_gfde );};return _bdfgc ,nil ;};

// MakeEncodedString creates a PdfObjectString with encoded content, which can be either
// UTF-16BE or PDFDocEncoding depending on whether `utf16BE` is true or false respectively.
func MakeEncodedString (s string ,utf16BE bool )*PdfObjectString {if utf16BE {var _agdgg _dc .Buffer ;_agdgg .Write ([]byte {0xFE,0xFF});_agdgg .WriteString (_bge .StringToUTF16 (s ));return &PdfObjectString {_bdccf :_agdgg .String (),_bcbe :true };};return &PdfObjectString {_bdccf :string (_bge .StringToPDFDocEncoding (s )),_bcbe :false };
};func _degb (_edfb string )(PdfObjectReference ,error ){_dgafd :=PdfObjectReference {};_bgge :=_fgbef .FindStringSubmatch (_edfb );if len (_bgge )< 3{_beff .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
return _dgafd ,_cf .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");};_acba ,_ :=_b .Atoi (_bgge [1]);_dbdb ,_ :=_b .Atoi (_bgge [2]);_dgafd .ObjectNumber =int64 (_acba );
_dgafd .GenerationNumber =int64 (_dbdb );return _dgafd ,nil ;};

// PdfIndirectObject represents the primitive PDF indirect object.
type PdfIndirectObject struct{PdfObjectReference ;PdfObject ;};var _abfa =_af .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064+\u0029\u005c\u0073\u002b\u0028\u005b\u006e\u0066\u005d\u0029\\\u0073\u002a\u0024");const (_eac =0;
_gbc =1;_gfbb =2;_caad =3;_gaed =4;);

// Bytes returns the PdfObjectString content as a []byte array.
func (_acfgb *PdfObjectString )Bytes ()[]byte {return []byte (_acfgb ._bdccf )};

// String returns a descriptive information string about the encryption method used.
func (_abb *PdfCrypt )String ()string {if _abb ==nil {return "";};_eae :=_abb ._dfb .Filter +"\u0020\u002d\u0020";if _abb ._dfb .V ==0{_eae +="\u0055\u006e\u0064\u006fcu\u006d\u0065\u006e\u0074\u0065\u0064\u0020\u0061\u006c\u0067\u006f\u0072\u0069\u0074h\u006d";
}else if _abb ._dfb .V ==1{_eae +="\u0052\u0043\u0034:\u0020\u0034\u0030\u0020\u0062\u0069\u0074\u0073";}else if _abb ._dfb .V ==2{_eae +=_cb .Sprintf ("\u0052\u0043\u0034:\u0020\u0025\u0064\u0020\u0062\u0069\u0074\u0073",_abb ._dfb .Length );}else if _abb ._dfb .V ==3{_eae +="U\u006e\u0070\u0075\u0062li\u0073h\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d";
}else if _abb ._dfb .V >=4{_eae +=_cb .Sprintf ("\u0053\u0074r\u0065\u0061\u006d\u0020f\u0069\u006ct\u0065\u0072\u003a\u0020\u0025\u0073\u0020\u002d \u0053\u0074\u0072\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0074\u0065r\u003a\u0020\u0025\u0073",_abb ._bfc ,_abb ._gfb );
_eae +="\u003b\u0020C\u0072\u0079\u0070t\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0073\u003a";for _cag ,_age :=range _abb ._ab {_eae +=_cb .Sprintf ("\u0020\u002d\u0020\u0025\u0073\u003a\u0020\u0025\u0073 \u0028\u0025\u0064\u0029",_cag ,_age .Name (),_age .KeyLength ());
};};_bfcg :=_abb .GetAccessPermissions ();_eae +=_cb .Sprintf ("\u0020\u002d\u0020\u0025\u0023\u0076",_bfcg );return _eae ;};

// GetFilterName returns the names of the underlying encoding filters,
// separated by spaces.
// Note: This is just a string, should not be used in /Filter dictionary entry. Use GetFilterArray for that.
// TODO(v4): Refactor to GetFilter() which can be used for /Filter (either Name or Array), this can be
//  renamed to String() as a pretty string to use in debugging etc.
func (_fdcg *MultiEncoder )GetFilterName ()string {_eabc :="";for _bebf ,_dafeg :=range _fdcg ._fgfc {_eabc +=_dafeg .GetFilterName ();if _bebf < len (_fdcg ._fgfc )-1{_eabc +="\u0020";};};return _eabc ;};

// Remove removes an element specified by key.
func (_cadc *PdfObjectDictionary )Remove (key PdfObjectName ){_ggec :=-1;for _cfdc ,_bfbf :=range _cadc ._ebdd {if _bfbf ==key {_ggec =_cfdc ;break ;};};if _ggec >=0{_cadc ._ebdd =append (_cadc ._ebdd [:_ggec ],_cadc ._ebdd [_ggec +1:]...);delete (_cadc ._fcaa ,key );
};};

// PdfObjectFloat represents the primitive PDF floating point numerical object.
type PdfObjectFloat float64 ;func (_bfgb *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _dfdb *PdfObjectDictionary ;_gced ,_bgfc :=_bfgb .readTextLine ();if _bgfc !=nil {return nil ,_bgfc ;};_beff .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_gced );
_fdbc :=-1;_dfge :=0;_agadf :=false ;_bacdg :="";for {_bfgb .skipSpaces ();_ ,_ffeeb :=_bfgb ._dbac .Peek (1);if _ffeeb !=nil {return nil ,_ffeeb ;};_gced ,_ffeeb =_bfgb .readTextLine ();if _ffeeb !=nil {return nil ,_ffeeb ;};_adgc :=_fbee .FindStringSubmatch (_gced );
if len (_adgc )==0{_egaaf :=len (_bacdg )> 0;_bacdg +=_gced +"\u000a";if _egaaf {_adgc =_fbee .FindStringSubmatch (_bacdg );};};if len (_adgc )==3{_cabe ,_ :=_b .Atoi (_adgc [1]);_cbcg ,_ :=_b .Atoi (_adgc [2]);_fdbc =_cabe ;_dfge =_cbcg ;_agadf =true ;
_bacdg ="";_beff .Log .Trace ("\u0078r\u0065\u0066 \u0073\u0075\u0062s\u0065\u0063\u0074\u0069\u006f\u006e\u003a \u0066\u0069\u0072\u0073\u0074\u0020o\u0062\u006a\u0065\u0063\u0074\u003a\u0020\u0025\u0064\u0020\u006fb\u006a\u0065\u0063\u0074\u0073\u003a\u0020\u0025\u0064",_fdbc ,_dfge );
continue ;};_addcb :=_abfa .FindStringSubmatch (_gced );if len (_addcb )==4{if !_agadf {_beff .Log .Debug ("E\u0052\u0052\u004f\u0052\u0020\u0058r\u0065\u0066\u0020\u0069\u006e\u0076\u0061\u006c\u0069d\u0020\u0066\u006fr\u006da\u0074\u0021\u000a");return nil ,_cf .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_fgfcg ,_ :=_b .ParseInt (_addcb [1],10,64);_caf ,_ :=_b .Atoi (_addcb [2]);_gfdd :=_addcb [3];_bacdg ="";if _gf .ToLower (_gfdd )=="\u006e"&&_fgfcg > 1{_egagg ,_gddd :=_bfgb ._bedf .ObjectMap [_fdbc ];if !_gddd ||_caf > _egagg .Generation {_daag :=XrefObject {ObjectNumber :_fdbc ,XType :XrefTypeTableEntry ,Offset :_fgfcg ,Generation :_caf };
_bfgb ._bedf .ObjectMap [_fdbc ]=_daag ;};};_fdbc ++;continue ;};if (len (_gced )> 6)&&(_gced [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_beff .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_gced );
if len (_gced )> 9{_cfd :=_bfgb .GetFileOffset ();_bfgb .SetFileOffset (_cfd -int64 (len (_gced ))+7);};_bfgb .skipSpaces ();_bfgb .skipComments ();_beff .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_beff .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_gced );_dfdb ,_ffeeb =_bfgb .ParseDict ();_beff .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _ffeeb !=nil {_beff .Log .Debug ("\u0045\u0072\u0072o\u0072\u0020\u0070\u0061r\u0073\u0069\u006e\u0067\u0020\u0074\u0072a\u0069\u006c\u0065\u0072\u0020\u0064\u0069\u0063\u0074\u0020\u0028\u0025\u0073\u0029",_ffeeb );return nil ,_ffeeb ;};break ;};if _gced =="\u0025\u0025\u0045O\u0046"{_beff .Log .Debug ("E\u0052\u0052\u004f\u0052\u003a\u0020\u0065\u006e\u0064 \u006f\u0066\u0020\u0066\u0069\u006c\u0065 -\u0020\u0074\u0072\u0061i\u006c\u0065\u0072\u0020\u006e\u006f\u0074\u0020\u0066ou\u006e\u0064 \u002d\u0020\u0065\u0072\u0072\u006f\u0072\u0021");
return nil ,_cf .New ("\u0065\u006e\u0064 \u006f\u0066\u0020\u0066i\u006c\u0065\u0020\u002d\u0020\u0074\u0072a\u0069\u006c\u0065\u0072\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};_beff .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_gced );
};_beff .Log .Trace ("\u0045\u004f\u0046 p\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u0021");if _bfgb ._eeba ==nil {_fddf :=XrefTypeTableEntry ;_bfgb ._eeba =&_fddf ;};return _dfdb ,nil ;};

// WriteString outputs the object as it is to be written to file.
func (_cgfe *PdfObjectFloat )WriteString ()string {return _b .FormatFloat (float64 (*_cgfe ),'f',-1,64);};

// DecodeStream decodes a JPX encoded stream and returns the result as a
// slice of bytes.
func (_cda *JPXEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_beff .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u003a\u0020\u0041t\u0074\u0065\u006dpt\u0069\u006e\u0067\u0020\u0074\u006f \u0075\u0073\u0065\u0020\u0075\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067 \u0025\u0073",_cda .GetFilterName ());
return streamObj .Stream ,ErrNoJPXDecode ;};

// String returns the PDF version as a string. Implements interface fmt.Stringer.
func (_fbegg Version )String ()string {return _cb .Sprintf ("\u00250\u0064\u002e\u0025\u0030\u0064",_fbegg .Major ,_fbegg .Minor );};

// DecodeBytes decodes the CCITTFax encoded image data.
func (_eecgf *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_afbad :=&_cbc .Encoder {K :_eecgf .K ,Columns :_eecgf .Columns ,EndOfLine :_eecgf .EndOfLine ,EndOfBlock :_eecgf .EndOfBlock ,BlackIs1 :_eecgf .BlackIs1 ,DamagedRowsBeforeError :_eecgf .DamagedRowsBeforeError ,Rows :_eecgf .Rows ,EncodedByteAlign :_eecgf .EncodedByteAlign };
_baaf ,_eaaf :=_afbad .Decode (encoded );if _eaaf !=nil {return nil ,_eaaf ;};var _cgbb []byte ;_gccg :=0;var _ebfc byte ;var _dbeg byte ;for _afaa :=range _baaf {if _ebfc !=0{_cgbb =append (_cgbb ,_dbeg );_dbeg =0;_gccg ++;_ebfc =0;};for _fgfbd :=range _baaf [_afaa ]{_dbeg |=_baaf [_afaa ][_fgfbd ]<<(7-_ebfc );
_ebfc ++;if _ebfc ==8{_cgbb =append (_cgbb ,_dbeg );_dbeg =0;_gccg ++;_ebfc =0;};};};if _ebfc > 0{_cgbb =append (_cgbb ,_dbeg );};return _cgbb ,nil ;};

// MakeString creates an PdfObjectString from a string.
// NOTE: PDF does not use utf-8 string encoding like Go so `s` will often not be a utf-8 encoded
// string.
func MakeString (s string )*PdfObjectString {_abage :=PdfObjectString {_bdccf :s };return &_abage };

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_eeea *FlateEncoder )MakeDecodeParams ()PdfObject {if _eeea .Predictor > 1{_gbaa :=MakeDict ();_gbaa .Set ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr",MakeInteger (int64 (_eeea .Predictor )));if _eeea .BitsPerComponent !=8{_gbaa .Set ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074",MakeInteger (int64 (_eeea .BitsPerComponent )));
};if _eeea .Columns !=1{_gbaa .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_eeea .Columns )));};if _eeea .Colors !=1{_gbaa .Set ("\u0043\u006f\u006c\u006f\u0072\u0073",MakeInteger (int64 (_eeea .Colors )));};return _gbaa ;};return nil ;
};

// PdfObjectName represents the primitive PDF name object.
type PdfObjectName string ;func (_gbca *PdfParser )parsePdfVersion ()(int ,int ,error ){var _fccg int64 =20;_aefg :=make ([]byte ,_fccg );_gbca ._bbba .Seek (0,_ac .SeekStart );_gbca ._bbba .Read (_aefg );var _decf error ;var _bgcgg ,_fdgga int ;if _aacgg :=_gffc .FindStringSubmatch (string (_aefg ));
len (_aacgg )< 3{if _bgcgg ,_fdgga ,_decf =_gbca .seekPdfVersionTopDown ();_decf !=nil {_beff .Log .Debug ("F\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065\u0063\u006f\u0076\u0065\u0072\u0079\u0020\u002d\u0020\u0075n\u0061\u0062\u006c\u0065\u0020\u0074\u006f\u0020\u0066\u0069nd\u0020\u0076\u0065r\u0073i\u006f\u006e");
return 0,0,_decf ;};_gbca ._bbba ,_decf =_ccdfc (_gbca ._bbba ,_gbca .GetFileOffset ()-8);if _decf !=nil {return 0,0,_decf ;};}else {if _bgcgg ,_decf =_b .Atoi (_aacgg [1]);_decf !=nil {return 0,0,_decf ;};if _fdgga ,_decf =_b .Atoi (_aacgg [2]);_decf !=nil {return 0,0,_decf ;
};_gbca .SetFileOffset (0);};_gbca ._dbac =_aab .NewReader (_gbca ._bbba );_beff .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_bgcgg ,_fdgga );return _bgcgg ,_fdgga ,nil ;};const JB2ImageAutoThreshold =-1.0;


// Len returns the number of elements in the array.
func (_afcda *PdfObjectArray )Len ()int {if _afcda ==nil {return 0;};return len (_afcda ._dcfe );};func (_adad *PdfParser )parseObject ()(PdfObject ,error ){_beff .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");
_adad .skipSpaces ();for {_afag ,_abae :=_adad ._dbac .Peek (2);if _abae !=nil {if _abae !=_ac .EOF ||len (_afag )==0{return nil ,_abae ;};if len (_afag )==1{_afag =append (_afag ,' ');};};_beff .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_afag ));
if _afag [0]=='/'{_fgbeb ,_bbdc :=_adad .parseName ();_beff .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_fgbeb );return &_fgbeb ,_bbdc ;}else if _afag [0]=='('{_beff .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");
_aege ,_edcb :=_adad .parseString ();return _aege ,_edcb ;}else if _afag [0]=='['{_beff .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");_bcag ,_aagdg :=_adad .parseArray ();return _bcag ,_aagdg ;}else if (_afag [0]=='<')&&(_afag [1]=='<'){_beff .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");
_egfa ,_ggde :=_adad .ParseDict ();return _egfa ,_ggde ;}else if _afag [0]=='<'{_beff .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");_cfgd ,_febc :=_adad .parseHexString ();return _cfgd ,_febc ;}else if _afag [0]=='%'{_adad .readComment ();
_adad .skipSpaces ();}else {_beff .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_afag ,_ =_adad ._dbac .Peek (15);_bcba :=string (_afag );_beff .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_bcba );
if (len (_bcba )> 3)&&(_bcba [:4]=="\u006e\u0075\u006c\u006c"){_geggf ,_aeab :=_adad .parseNull ();return &_geggf ,_aeab ;}else if (len (_bcba )> 4)&&(_bcba [:5]=="\u0066\u0061\u006cs\u0065"){_affb ,_efdgg :=_adad .parseBool ();return &_affb ,_efdgg ;}else if (len (_bcba )> 3)&&(_bcba [:4]=="\u0074\u0072\u0075\u0065"){_geaeb ,_dbff :=_adad .parseBool ();
return &_geaeb ,_dbff ;};_adde :=_fgbef .FindStringSubmatch (_bcba );if len (_adde )> 1{_afag ,_ =_adad ._dbac .ReadBytes ('R');_beff .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_afag [:]));_befd ,_ffcea :=_degb (string (_afag ));
_befd ._fedeg =_adad ;return &_befd ,_ffcea ;};_cbae :=_cdcf .FindStringSubmatch (_bcba );if len (_cbae )> 1{_beff .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");_edda ,_cbce :=_adad .parseNumber ();return _edda ,_cbce ;};
_cbae =_adec .FindStringSubmatch (_bcba );if len (_cbae )> 1{_beff .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");_beff .Log .Trace ("\u0025\u0020\u0073",_cbae );_addc ,_cfbdb :=_adad .parseNumber ();
return _addc ,_cfbdb ;};_beff .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_bcba );return nil ,_cf .New ("\u006f\u0062\u006a\u0065\u0063t\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0065\u0072\u0072\u006fr\u0020\u002d\u0020\u0075\u006e\u0065\u0078\u0070\u0065\u0063\u0074\u0065\u0064\u0020\u0070\u0061\u0074\u0074\u0065\u0072\u006e");
};};};

// MakeArray creates an PdfObjectArray from a list of PdfObjects.
func MakeArray (objects ...PdfObject )*PdfObjectArray {return &PdfObjectArray {_dcfe :objects }};

// PdfCryptNewDecrypt makes the document crypt handler based on the encryption dictionary
// and trailer dictionary. Returns an error on failure to process.
func PdfCryptNewDecrypt (parser *PdfParser ,ed ,trailer *PdfObjectDictionary )(*PdfCrypt ,error ){_cef :=&PdfCrypt {_efg :false ,_ceb :make (map[PdfObject ]bool ),_deb :make (map[PdfObject ]bool ),_baba :make (map[int ]struct{}),_efd :parser };_aca ,_gcg :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_gcg {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0043\u0072\u0079\u0070\u0074 \u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061r\u0079 \u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0071\u0075\u0069\u0072\u0065\u0064\u0020\u0046i\u006c\u0074\u0065\u0072\u0020\u0066\u0069\u0065\u006c\u0064\u0021");
return _cef ,_cf .New ("r\u0065\u0071\u0075\u0069\u0072\u0065d\u0020\u0063\u0072\u0079\u0070\u0074 \u0066\u0069\u0065\u006c\u0064\u0020\u0046i\u006c\u0074\u0065\u0072\u0020\u006d\u0069\u0073\u0073\u0069n\u0067");};if *_aca !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_beff .Log .Debug ("\u0045\u0052R\u004f\u0052\u0020\u0055\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020(%\u0073\u0029",*_aca );
return _cef ,_cf .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_cef ._dfb .Filter =string (*_aca );if _gdf ,_ffd :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_ffd {_cef ._dfb .SubFilter =_gdf .Str ();
_beff .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_gdf );};if L ,_cfgg :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_cfgg {if (*L %8)!=0{_beff .Log .Debug ("\u0045\u0052\u0052O\u0052\u0020\u0049\u006ev\u0061\u006c\u0069\u0064\u0020\u0065\u006ec\u0072\u0079\u0070\u0074\u0069\u006f\u006e\u0020\u006c\u0065\u006e\u0067\u0074\u0068");
return _cef ,_cf .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_cef ._dfb .Length =int (*L );}else {_cef ._dfb .Length =40;};_cef ._dfb .V =0;if _dccb ,_cfgb :=ed .Get ("\u0056").(*PdfObjectInteger );
_cfgb {V :=int (*_dccb );_cef ._dfb .V =V ;if V >=1&&V <=2{_cef ._ab =_aeeb (_cef ._dfb .Length );}else if V >=4&&V <=5{if _babb :=_cef .loadCryptFilters (ed );_babb !=nil {return _cef ,_babb ;};}else {_beff .Log .Debug ("E\u0052\u0052\u004f\u0052\u0020\u0055\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0065n\u0063\u0072\u0079\u0070\u0074\u0069\u006f\u006e\u0020\u0061lg\u006f\u0020\u0056 \u003d \u0025\u0064",V );
return _cef ,_cf .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _bfca :=_dfgd (&_cef ._gggd ,ed );_bfca !=nil {return _cef ,_bfca ;};_fdb :="";if _ecde ,_bfde :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_bfde &&_ecde .Len ()>=1{_fff ,_fde :=GetString (_ecde .Get (0));if !_fde {return _cef ,_cf .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_fdb =_fff .Str ();}else {_beff .Log .Debug ("\u0054\u0072ai\u006c\u0065\u0072 \u0049\u0044\u0020\u0061rra\u0079 m\u0069\u0073\u0073\u0069\u006e\u0067\u0020or\u0020\u0069\u006e\u0076\u0061\u006c\u0069d\u0021");
};_cef ._gca =_fdb ;return _cef ,nil ;};func (_addb *PdfParser )repairLocateXref ()(int64 ,error ){_ceefb :=int64 (1000);_addb ._bbba .Seek (-_ceefb ,_ac .SeekCurrent );_ebbfa ,_gcggc :=_addb ._bbba .Seek (0,_ac .SeekCurrent );if _gcggc !=nil {return 0,_gcggc ;
};_fefaf :=make ([]byte ,_ceefb );_addb ._bbba .Read (_fefaf );_gafbb :=_cdcb .FindAllStringIndex (string (_fefaf ),-1);if len (_gafbb )< 1{_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0052\u0065\u0070a\u0069\u0072\u003a\u0020\u0078\u0072\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0021");
return 0,_cf .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");};_befb :=int64 (_gafbb [len (_gafbb )-1][0]);_cdge :=_ebbfa +_befb ;return _cdge ,nil ;};

// StreamEncoder represents the interface for all PDF stream encoders.
type StreamEncoder interface{GetFilterName ()string ;MakeDecodeParams ()PdfObject ;MakeStreamDict ()*PdfObjectDictionary ;UpdateParams (_cgc *PdfObjectDictionary );EncodeBytes (_dda []byte )([]byte ,error );DecodeBytes (_febg []byte )([]byte ,error );DecodeStream (_ggbg *PdfObjectStream )([]byte ,error );
};

// UpdateParams updates the parameter values of the encoder.
func (_gcgc *RunLengthEncoder )UpdateParams (params *PdfObjectDictionary ){};

// IsOctalDigit checks if a character can be part of an octal digit string.
func IsOctalDigit (c byte )bool {return '0'<=c &&c <='7'};func (_feegg *PdfObjectInteger )String ()string {return _cb .Sprintf ("\u0025\u0064",*_feegg )};

// ResolveReferencesDeep recursively traverses through object `o`, looking up and replacing
// references with indirect objects.
// Optionally a map of already deep-resolved objects can be provided via `traversed`. The `traversed` map
// is updated while traversing the objects to avoid traversing same objects multiple times.
func ResolveReferencesDeep (o PdfObject ,traversed map[PdfObject ]struct{})error {if traversed ==nil {traversed =map[PdfObject ]struct{}{};};return _bedb (o ,0,traversed );};func _cgeb (_baegd int )int {if _baegd < 0{return -_baegd ;};return _baegd ;};
func _fgcc (_gef int )int {_aaea :=_gef >>(_bbda -1);return (_gef ^_aaea )-_aaea };

// EncodeBytes JPX encodes the passed in slice of bytes.
func (_bdaf *JPXEncoder )EncodeBytes (data []byte )([]byte ,error ){_beff .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u003a\u0020\u0041t\u0074\u0065\u006dpt\u0069\u006e\u0067\u0020\u0074\u006f \u0075\u0073\u0065\u0020\u0075\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067 \u0025\u0073",_bdaf .GetFilterName ());
return data ,ErrNoJPXDecode ;};func (_afb *PdfParser )lookupByNumberWrapper (_bgg int ,_cg bool )(PdfObject ,bool ,error ){_ca ,_dbe ,_dcc :=_afb .lookupByNumber (_bgg ,_cg );if _dcc !=nil {return nil ,_dbe ,_dcc ;};if !_dbe &&_afb ._eeef !=nil &&!_afb ._eeef .isDecrypted (_ca ){_fg :=_afb ._eeef .Decrypt (_ca ,0,0);
if _fg !=nil {return nil ,_dbe ,_fg ;};};return _ca ,_dbe ,nil ;};

// GetFilterArray returns the names of the underlying encoding filters in an array that
// can be used as /Filter entry.
func (_adb *MultiEncoder )GetFilterArray ()*PdfObjectArray {_bdafa :=make ([]PdfObject ,len (_adb ._fgfc ));for _geea ,_bacg :=range _adb ._fgfc {_bdafa [_geea ]=MakeName (_bacg .GetFilterName ());};return MakeArray (_bdafa ...);};

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_bdccf string ;_bcbe bool ;};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_cbgc *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_dggg :=_dc .NewReader (data );var _dggc []byte ;var _dggd []byte ;_gadg ,_eebg :=_dggg .ReadByte ();if _eebg ==_ac .EOF {return []byte {},nil ;}else if _eebg !=nil {return nil ,_eebg ;
};_dbc :=1;for {_gbcb ,_aeb :=_dggg .ReadByte ();if _aeb ==_ac .EOF {break ;}else if _aeb !=nil {return nil ,_aeb ;};if _gbcb ==_gadg {if len (_dggd )> 0{_dggd =_dggd [:len (_dggd )-1];if len (_dggd )> 0{_dggc =append (_dggc ,byte (len (_dggd )-1));_dggc =append (_dggc ,_dggd ...);
};_dbc =1;_dggd =[]byte {};};_dbc ++;if _dbc >=127{_dggc =append (_dggc ,byte (257-_dbc ),_gadg );_dbc =0;};}else {if _dbc > 0{if _dbc ==1{_dggd =[]byte {_gadg };}else {_dggc =append (_dggc ,byte (257-_dbc ),_gadg );};_dbc =0;};_dggd =append (_dggd ,_gbcb );
if len (_dggd )>=127{_dggc =append (_dggc ,byte (len (_dggd )-1));_dggc =append (_dggc ,_dggd ...);_dggd =[]byte {};};};_gadg =_gbcb ;};if len (_dggd )> 0{_dggc =append (_dggc ,byte (len (_dggd )-1));_dggc =append (_dggc ,_dggd ...);}else if _dbc > 0{_dggc =append (_dggc ,byte (257-_dbc ),_gadg );
};_dggc =append (_dggc ,128);return _dggc ,nil ;};

// EncodeBytes returns the passed in slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_ebbf *RawEncoder )EncodeBytes (data []byte )([]byte ,error ){return data ,nil };

// NewASCIIHexEncoder makes a new ASCII hex encoder.
func NewASCIIHexEncoder ()*ASCIIHexEncoder {_dddf :=&ASCIIHexEncoder {};return _dddf };

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_bdbdb *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_ecab :=encoded ;var _ffbc error ;for _ ,_cggc :=range _bdbdb ._fgfc {_beff .Log .Trace ("\u004du\u006c\u0074i\u0020\u0045\u006e\u0063o\u0064\u0065\u0072 \u0044\u0065\u0063\u006f\u0064\u0065\u003a\u0020\u0041pp\u006c\u0079\u0069n\u0067\u0020F\u0069\u006c\u0074\u0065\u0072\u003a \u0025\u0076 \u0025\u0054",_cggc ,_cggc );
_ecab ,_ffbc =_cggc .DecodeBytes (_ecab );if _ffbc !=nil {return nil ,_ffbc ;};};return _ecab ,nil ;};func (_fabe *PdfParser )parseXrefStream (_eadf *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _eadf !=nil {_beff .Log .Trace ("\u0058\u0052\u0065f\u0053\u0074\u006d\u0020x\u0072\u0065\u0066\u0020\u0074\u0061\u0062l\u0065\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0061\u0074\u0020\u0025\u0064",_eadf );
_fabe ._bbba .Seek (int64 (*_eadf ),_ac .SeekStart );_fabe ._dbac =_aab .NewReader (_fabe ._bbba );};_gcfa :=_fabe .GetFileOffset ();_cdabe ,_fdce :=_fabe .ParseIndirectObject ();if _fdce !=nil {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a \u0046\u0061\u0069\u006c\u0065\u0064\u0020\u0074\u006f\u0020\u0072\u0065\u0061d\u0020\u0078\u0072\u0065\u0066\u0020\u006fb\u006a\u0065\u0063\u0074");
return nil ,_cf .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0074\u006f\u0020\u0072e\u0061\u0064\u0020\u0078\u0072\u0065\u0066\u0020\u006f\u0062j\u0065\u0063\u0074");};_beff .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_cdabe );
_bbbg ,_baddc :=_cdabe .(*PdfObjectStream );if !_baddc {_beff .Log .Debug ("\u0045R\u0052\u004fR\u003a\u0020\u0058R\u0065\u0066\u0053\u0074\u006d\u0020\u0070o\u0069\u006e\u0074\u0069\u006e\u0067 \u0074\u006f\u0020\u006e\u006f\u006e\u002d\u0073\u0074\u0072\u0065a\u006d\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0021");
return nil ,_cf .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0070\u006f\u0069\u006e\u0074i\u006e\u0067\u0020\u0074\u006f\u0020a\u0020\u006e\u006f\u006e\u002d\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006fb\u006a\u0065\u0063\u0074");};_eacac :=_bbbg .PdfObjectDictionary ;
_gfbd ,_baddc :=_bbbg .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_baddc {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a \u004d\u0069\u0073\u0073\u0069\u006e\u0067\u0020\u0073\u0069\u007a\u0065\u0020f\u0072\u006f\u006d\u0020\u0078\u0072\u0065f\u0020\u0073\u0074\u006d");
return nil ,_cf .New ("\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0020\u0053\u0069\u007ae\u0020\u0066\u0072\u006f\u006d\u0020\u0078\u0072\u0065\u0066 \u0073\u0074\u006d");};if int64 (*_gfbd )> 8388607{_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u0053\u0069\u007a\u0065\u0020\u0065x\u0063\u0065\u0065\u0064\u0065\u0064\u0020l\u0069\u006d\u0069\u0074\u002c\u0020\u006f\u0076\u0065\u0072\u00208\u0033\u0038\u0038\u0036\u0030\u0037\u0020\u0028\u0025\u0064\u0029",*_gfbd );
return nil ,_cf .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_bfdga :=_bbbg .PdfObjectDictionary .Get ("\u0057");_dabgc ,_baddc :=_bfdga .(*PdfObjectArray );if !_baddc {return nil ,_cf .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_faec :=_dabgc .Len ();if _faec !=3{_beff .Log .Debug ("\u0045\u0052R\u004f\u0052\u003a\u0020\u0055\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0078\u0072\u0065\u0066\u0020\u0073\u0074\u006d\u0020\u0028\u006c\u0065\u006e\u0028\u0057\u0029\u0020\u0021\u003d\u0020\u0033\u0020\u002d\u0020\u0025\u0064\u0029",_faec );
return nil ,_cf .New ("\u0075\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0078\u0072\u0065f\u0020s\u0074\u006d\u0020\u006c\u0065\u006e\u0028\u0057\u0029\u0020\u0021\u003d\u0020\u0033");};var _cafd []int64 ;for _ccea :=0;_ccea < 3;
_ccea ++{_geda ,_bbdce :=GetInt (_dabgc .Get (_ccea ));if !_bbdce {return nil ,_cf .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_cafd =append (_cafd ,int64 (*_geda ));};_eaac ,_fdce :=DecodeStream (_bbbg );
if _fdce !=nil {_beff .Log .Debug ("\u0045\u0052\u0052OR\u003a\u0020\u0055\u006e\u0061\u0062\u006c\u0065\u0020t\u006f \u0064e\u0063o\u0064\u0065\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u003a\u0020\u0025\u0076",_fdce );return nil ,_fdce ;};_fcfc :=int (_cafd [0]);
_bgcf :=int (_cafd [0]+_cafd [1]);_ddfe :=int (_cafd [0]+_cafd [1]+_cafd [2]);_ggfa :=int (_cafd [0]+_cafd [1]+_cafd [2]);if _fcfc < 0||_bgcf < 0||_ddfe < 0{_beff .Log .Debug ("\u0045\u0072\u0072\u006fr\u0020\u0073\u0020\u0076\u0061\u006c\u0075\u0065\u0020\u003c \u0030 \u0028\u0025\u0064\u002c\u0025\u0064\u002c%\u0064\u0029",_fcfc ,_bgcf ,_ddfe );
return nil ,_cf .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _ggfa ==0{_beff .Log .Debug ("\u004e\u006f\u0020\u0078\u0072\u0065\u0066\u0020\u006f\u0062\u006a\u0065\u0063t\u0073\u0020\u0069\u006e\u0020\u0073t\u0072\u0065\u0061\u006d\u0020\u0028\u0064\u0065\u006c\u0074\u0061\u0062\u0020=\u003d\u0020\u0030\u0029");
return _eacac ,nil ;};_egbe :=len (_eaac )/_ggfa ;_fbga :=0;_abedd :=_bbbg .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _gacb []int ;if _abedd !=nil {_beff .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_abedd );_fcgb ,_agaf :=_abedd .(*PdfObjectArray );
if !_agaf {_beff .Log .Debug ("\u0049\u006e\u0076\u0061\u006ci\u0064\u0020\u0049\u006e\u0064\u0065\u0078\u0020\u006f\u0062\u006a\u0065\u0063t\u0020\u0028\u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0062\u0065\u0020\u0061\u006e\u0020\u0061\u0072\u0072\u0061\u0079\u0029");
return nil ,_cf .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _fcgb .Len ()%2!=0{_beff .Log .Debug ("\u0057\u0041\u0052\u004eI\u004e\u0047\u0020\u0046\u0061\u0069\u006c\u0075\u0072e\u0020\u006c\u006f\u0061\u0064\u0069\u006e\u0067\u0020\u0078\u0072\u0065\u0066\u0020\u0073\u0074\u006d\u0020i\u006e\u0064\u0065\u0078\u0020n\u006f\u0074\u0020\u006d\u0075\u006c\u0074\u0069\u0070\u006c\u0065\u0020\u006f\u0066\u0020\u0032\u002e");
return nil ,_cf .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_fbga =0;_aeeba ,_afad :=_fcgb .ToIntegerArray ();if _afad !=nil {_beff .Log .Debug ("\u0045\u0072\u0072\u006f\u0072 \u0067\u0065\u0074\u0074\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0065\u0078 \u0061\u0072\u0072\u0061\u0079\u0020\u0061\u0073\u0020\u0069\u006e\u0074\u0065\u0067\u0065\u0072\u0073\u003a\u0020\u0025\u0076",_afad );
return nil ,_afad ;};for _bdcc :=0;_bdcc < len (_aeeba );_bdcc +=2{_ebd :=_aeeba [_bdcc ];_cgaec :=_aeeba [_bdcc +1];for _acc :=0;_acc < _cgaec ;_acc ++{_gacb =append (_gacb ,_ebd +_acc );};_fbga +=_cgaec ;};}else {for _efgb :=0;_efgb < int (*_gfbd );_efgb ++{_gacb =append (_gacb ,_efgb );
};_fbga =int (*_gfbd );};if _egbe ==_fbga +1{_beff .Log .Debug ("\u0049n\u0063\u006f\u006d\u0070ati\u0062\u0069\u006c\u0069t\u0079\u003a\u0020\u0049\u006e\u0064\u0065\u0078\u0020\u006di\u0073\u0073\u0069\u006e\u0067\u0020\u0063\u006f\u0076\u0065\u0072\u0061\u0067\u0065\u0020\u006f\u0066\u0020\u0031\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u002d\u0020\u0061\u0070\u0070en\u0064\u0069\u006eg\u0020\u006f\u006e\u0065\u0020-\u0020M\u0061\u0079\u0020\u006c\u0065\u0061\u0064\u0020\u0074o\u0020\u0070\u0072\u006f\u0062\u006c\u0065\u006d\u0073");
_bfeb :=_fbga -1;for _ ,_bfgge :=range _gacb {if _bfgge > _bfeb {_bfeb =_bfgge ;};};_gacb =append (_gacb ,_bfeb +1);_fbga ++;};if _egbe !=len (_gacb ){_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020x\u0072\u0065\u0066 \u0073\u0074\u006d:\u0020\u006eu\u006d\u0020\u0065\u006e\u0074\u0072i\u0065s \u0021\u003d\u0020\u006c\u0065\u006e\u0028\u0069\u006e\u0064\u0069\u0063\u0065\u0073\u0029\u0020\u0028\u0025\u0064\u0020\u0021\u003d\u0020\u0025\u0064\u0029",_egbe ,len (_gacb ));
return nil ,_cf .New ("\u0078\u0072ef\u0020\u0073\u0074m\u0020\u006e\u0075\u006d en\u0074ri\u0065\u0073\u0020\u0021\u003d\u0020\u006cen\u0028\u0069\u006e\u0064\u0069\u0063\u0065s\u0029");};_beff .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_fbga );
_beff .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_gacb );_bceb :=func (_aefgb []byte )int64 {var _ffbe int64 ;for _dgf :=0;_dgf < len (_aefgb );_dgf ++{_ffbe +=int64 (_aefgb [_dgf ])*(1<<uint (8*(len (_aefgb )-_dgf -1)));
};return _ffbe ;};_beff .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_eaac ));_cgaa :=0;for _feea :=0;_feea < len (_eaac );_feea +=_ggfa {_aegd :=_cbeb (len (_eaac ),_feea ,_feea +_fcfc );
if _aegd !=nil {_beff .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_aegd );return nil ,_aegd ;};_fgec :=_eaac [_feea :_feea +_fcfc ];_aegd =_cbeb (len (_eaac ),_feea +_fcfc ,_feea +_bgcf );
if _aegd !=nil {_beff .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_aegd );return nil ,_aegd ;};_edgcb :=_eaac [_feea +_fcfc :_feea +_bgcf ];_aegd =_cbeb (len (_eaac ),_feea +_bgcf ,_feea +_ddfe );
if _aegd !=nil {_beff .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_aegd );return nil ,_aegd ;};_ecbcf :=_eaac [_feea +_bgcf :_feea +_ddfe ];_fdfff :=_bceb (_fgec );
_baec :=_bceb (_edgcb );_cbgee :=_bceb (_ecbcf );if _cafd [0]==0{_fdfff =1;};if _cgaa >=len (_gacb ){_beff .Log .Debug ("X\u0052\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u002d\u0020\u0054\u0072\u0079\u0069\u006e\u0067\u0020\u0074\u006f\u0020\u0061\u0063\u0063e\u0073s\u0020\u0069\u006e\u0064e\u0078\u0020o\u0075\u0074\u0020\u006f\u0066\u0020\u0062\u006f\u0075\u006e\u0064\u0073\u0020\u002d\u0020\u0062\u0072\u0065\u0061\u006b\u0069\u006e\u0067");
break ;};_fbdg :=_gacb [_cgaa ];_cgaa ++;_beff .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_fbdg ,_fgec );_beff .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_fbdg ,_edgcb );_beff .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_fbdg ,_ecbcf );
_beff .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_fbdg ,_fdfff ,_baec ,_cbgee );if _fdfff ==0{_beff .Log .Trace ("-\u0020\u0046\u0072\u0065\u0065\u0020o\u0062\u006a\u0065\u0063\u0074\u0020-\u0020\u0063\u0061\u006e\u0020\u0070\u0072o\u0062\u0061\u0062\u006c\u0079\u0020\u0069\u0067\u006e\u006fr\u0065");
}else if _fdfff ==1{_beff .Log .Trace ("\u002d\u0020I\u006e\u0020\u0075\u0073e\u0020\u002d \u0075\u006e\u0063\u006f\u006d\u0070\u0072\u0065s\u0073\u0065\u0064\u0020\u0076\u0069\u0061\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0062",_edgcb );if _baec ==_gcfa {_beff .Log .Debug ("\u0055\u0070d\u0061\u0074\u0069\u006e\u0067\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0066\u006f\u0072\u0020\u0058\u0052\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u0020\u0025\u0064\u0020\u002d\u003e\u0020\u0025\u0064",_fbdg ,_bbbg .ObjectNumber );
_fbdg =int (_bbbg .ObjectNumber );};if _befeb ,_ffbg :=_fabe ._bedf .ObjectMap [_fbdg ];!_ffbg ||int (_cbgee )> _befeb .Generation {_bcge :=XrefObject {ObjectNumber :_fbdg ,XType :XrefTypeTableEntry ,Offset :_baec ,Generation :int (_cbgee )};_fabe ._bedf .ObjectMap [_fbdg ]=_bcge ;
};}else if _fdfff ==2{_beff .Log .Trace ("\u002d\u0020\u0049\u006e \u0075\u0073\u0065\u0020\u002d\u0020\u0063\u006f\u006d\u0070r\u0065s\u0073\u0065\u0064\u0020\u006f\u0062\u006ae\u0063\u0074");if _ ,_ggac :=_fabe ._bedf .ObjectMap [_fbdg ];!_ggac {_abagg :=XrefObject {ObjectNumber :_fbdg ,XType :XrefTypeObjectStream ,OsObjNumber :int (_baec ),OsObjIndex :int (_cbgee )};
_fabe ._bedf .ObjectMap [_fbdg ]=_abagg ;_beff .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_abagg );};}else {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052:\u0020\u002d\u002d\u002d\u002d\u002d\u002d\u002d\u002d\u0049\u004e\u0056\u0041L\u0049\u0044\u0020\u0054\u0059\u0050\u0045\u0020\u0058\u0072\u0065\u0066\u0053\u0074\u006d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u003f\u002d\u002d\u002d\u002d\u002d\u002d-");
continue ;};};if _fabe ._eeba ==nil {_ffgdb :=XrefTypeObjectStream ;_fabe ._eeba =&_ffgdb ;};return _eacac ,nil ;};

// SetImage sets the image base for given flate encoder.
func (_eed *FlateEncoder )SetImage (img *_bf .ImageBase ){_eed ._cga =img };

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_fbeg *JBIG2Encoder )MakeStreamDict ()*PdfObjectDictionary {_fadf :=MakeDict ();_fadf .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_fbeg .GetFilterName ()));return _fadf ;};

// Resolve resolves the reference and returns the indirect or stream object.
// If the reference cannot be resolved, a *PdfObjectNull object is returned.
func (_eecgfd *PdfObjectReference )Resolve ()PdfObject {if _eecgfd ._fedeg ==nil {return MakeNull ();};_afdd ,_ ,_efef :=_eecgfd ._fedeg .resolveReference (_eecgfd );if _efef !=nil {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0072\u0065\u0073\u006f\u006cv\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065r\u0065n\u0063\u0065\u003a\u0020\u0025\u0076\u0020\u002d\u0020\u0072\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067 \u006e\u0075\u006c\u006c\u0020\u006f\u0062\u006a\u0065\u0063\u0074",_efef );
return MakeNull ();};if _afdd ==nil {_beff .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0072\u0065\u0073ol\u0076\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065:\u0020\u006ei\u006c\u0020\u006fb\u006a\u0065\u0063\u0074\u0020\u002d\u0020\u0072\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067 \u0061\u0020nu\u006c\u006c\u0020o\u0062\u006a\u0065\u0063\u0074");
return MakeNull ();};return _afdd ;};

// AddPageImage adds the page with the image 'img' to the encoder context in order to encode it jbig2 document.
// The 'settings' defines what encoding type should be used by the encoder.
func (_afbac *JBIG2Encoder )AddPageImage (img *JBIG2Image ,settings *JBIG2EncoderSettings )(_aged error ){const _bacgd ="\u004a\u0042\u0049\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u002e\u0041\u0064\u0064\u0050\u0061\u0067\u0065\u0049m\u0061\u0067\u0065";
if _afbac ==nil {return _bba .Error (_bacgd ,"J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u0020\u0069\u0073 n\u0069\u006c");};if settings ==nil {settings =&_afbac .DefaultPageSettings ;};if _afbac ._fegg ==nil {_afbac ._fegg =_fe .InitEncodeDocument (settings .FileMode );
};if _aged =settings .Validate ();_aged !=nil {return _bba .Wrap (_aged ,_bacgd ,"");};_gffe ,_aged :=img .toBitmap ();if _aged !=nil {return _bba .Wrap (_aged ,_bacgd ,"");};switch settings .Compression {case JB2Generic :if _aged =_afbac ._fegg .AddGenericPage (_gffe ,settings .DuplicatedLinesRemoval );
_aged !=nil {return _bba .Wrap (_aged ,_bacgd ,"");};case JB2SymbolCorrelation :return _bba .Error (_bacgd ,"s\u0079\u006d\u0062\u006f\u006c\u0020\u0063\u006f\u0072r\u0065\u006c\u0061\u0074\u0069\u006f\u006e e\u006e\u0063\u006f\u0064i\u006e\u0067\u0020\u006e\u006f\u0074\u0020\u0069\u006dpl\u0065\u006de\u006e\u0074\u0065\u0064\u0020\u0079\u0065\u0074");
case JB2SymbolRankHaus :return _bba .Error (_bacgd ,"\u0073y\u006d\u0062o\u006c\u0020\u0072a\u006e\u006b\u0020\u0068\u0061\u0075\u0073 \u0065\u006e\u0063\u006f\u0064\u0069n\u0067\u0020\u006e\u006f\u0074\u0020\u0069\u006d\u0070\u006c\u0065m\u0065\u006e\u0074\u0065\u0064\u0020\u0079\u0065\u0074");
default:return _bba .Error (_bacgd ,"\u0070\u0072\u006f\u0076i\u0064\u0065\u0064\u0020\u0069\u006e\u0076\u0061\u006c\u0069d\u0020c\u006f\u006d\u0070\u0072\u0065\u0073\u0073i\u006f\u006e");};return nil ;};func _aaf (_bbd XrefTable ){_beff .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");
_beff .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_cbg :=0;for _ ,_dga :=range _bbd .ObjectMap {_beff .Log .Debug ("i\u002b\u0031\u003a\u0020\u0025\u0064 \u0028\u006f\u0062\u006a\u0020\u006eu\u006d\u003a\u0020\u0025\u0064\u0020\u0067e\u006e\u003a\u0020\u0025\u0064\u0029\u0020\u002d\u003e\u0020%\u0064",_cbg +1,_dga .ObjectNumber ,_dga .Generation ,_dga .Offset );
_cbg ++;};};func (_gea *PdfCrypt )saveCryptFilters (_fcf *PdfObjectDictionary )error {if _gea ._dfb .V < 4{return _cf .New ("\u0063\u0061\u006e\u0020\u006f\u006e\u006c\u0079\u0020\u0062\u0065 \u0075\u0073\u0065\u0064\u0020\u0077\u0069\u0074\u0068\u0020V\u003e\u003d\u0034");
};_acgf :=MakeDict ();_fcf .Set ("\u0043\u0046",_acgf );for _eeae ,_bfcd :=range _gea ._ab {if _eeae =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_adab :=_adac (_bfcd ,"");_acgf .Set (PdfObjectName (_eeae ),_adab );};_fcf .Set ("\u0053\u0074\u0072\u0046",MakeName (_gea ._gfb ));
_fcf .Set ("\u0053\u0074\u006d\u0046",MakeName (_gea ._bfc ));return nil ;};func (_bgaaf *PdfParser )traceStreamLength (_gcee PdfObject )(PdfObject ,error ){_cfaab ,_dcca :=_gcee .(*PdfObjectReference );if _dcca {_bgbdc ,_gdff :=_bgaaf ._gedf [_cfaab .ObjectNumber ];
if _gdff &&_bgbdc {_beff .Log .Debug ("\u0053t\u0072\u0065a\u006d\u0020\u004c\u0065n\u0067\u0074\u0068 \u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065 u\u006e\u0072\u0065s\u006f\u006cv\u0065\u0064\u0020\u0028\u0069\u006cl\u0065\u0067a\u006c\u0029");
return nil ,_cf .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_bgaaf ._gedf [_cfaab .ObjectNumber ]=true ;};_efaec ,_aedb :=_bgaaf .Resolve (_gcee );if _aedb !=nil {return nil ,_aedb ;
};_beff .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_efaec );if _dcca {_bgaaf ._gedf [_cfaab .ObjectNumber ]=false ;};return _efaec ,nil ;};

// WriteString outputs the object as it is to be written to file.
func (_fece *PdfObjectDictionary )WriteString ()string {var _defec _gf .Builder ;_defec .WriteString ("\u003c\u003c");for _ ,_cgea :=range _fece ._ebdd {_dbcd :=_fece ._fcaa [_cgea ];_defec .WriteString (_cgea .WriteString ());_defec .WriteString ("\u0020");
_defec .WriteString (_dbcd .WriteString ());};_defec .WriteString ("\u003e\u003e");return _defec .String ();};var _fbee =_af .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");

// GetNumberAsFloat returns the contents of `obj` as a float if it is an integer or float, or an
// error if it isn't.
func GetNumberAsFloat (obj PdfObject )(float64 ,error ){switch _aeebe :=obj .(type ){case *PdfObjectFloat :return float64 (*_aeebe ),nil ;case *PdfObjectInteger :return float64 (*_aeebe ),nil ;};return 0,ErrNotANumber ;};

// DecodeBytes decodes a byte slice from Run length encoding.
//
// 7.4.5 RunLengthDecode Filter
// The RunLengthDecode filter decodes data that has been encoded in a simple byte-oriented format based on run length.
// The encoded data shall be a sequence of runs, where each run shall consist of a length byte followed by 1 to 128
// bytes of data. If the length byte is in the range 0 to 127, the following length + 1 (1 to 128) bytes shall be
// copied literally during decompression. If length is in the range 129 to 255, the following single byte shall be
// copied 257 - length (2 to 128) times during decompression. A length value of 128 shall denote EOD.
func (_fcb *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_cage :=_dc .NewReader (encoded );var _fgae []byte ;for {_adabb ,_fab :=_cage .ReadByte ();if _fab !=nil {return nil ,_fab ;};if _adabb > 128{_agga ,_cfbe :=_cage .ReadByte ();
if _cfbe !=nil {return nil ,_cfbe ;};for _bfgd :=0;_bfgd < 257-int (_adabb );_bfgd ++{_fgae =append (_fgae ,_agga );};}else if _adabb < 128{for _gbd :=0;_gbd < int (_adabb )+1;_gbd ++{_ggcc ,_abdf :=_cage .ReadByte ();if _abdf !=nil {return nil ,_abdf ;
};_fgae =append (_fgae ,_ggcc );};}else {break ;};};return _fgae ,nil ;};

// GetFilterName returns the name of the encoding filter.
func (_fcacf *CCITTFaxEncoder )GetFilterName ()string {return StreamEncodingFilterNameCCITTFax };func _fbbf (_faegg _bf .Image )*JBIG2Image {_acea :=_faegg .Base ();return &JBIG2Image {Data :_acea .Data ,Width :_acea .Width ,Height :_acea .Height ,HasPadding :true };
};func _bdb (_dccc *PdfObjectStream ,_dgdbd *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;};

// DecodeStream decodes the stream containing CCITTFax encoded image data.
func (_gdgd *CCITTFaxEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _gdgd .DecodeBytes (streamObj .Stream );};const _fbbg ="\u0053\u0074\u0064C\u0046";var _gegf =_af .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");
func (_fed *PdfCrypt )isEncrypted (_aga PdfObject )bool {_ ,_fdac :=_fed ._deb [_aga ];if _fdac {_beff .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");return true ;};_beff .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};func _ec (_bfd PdfObject )(int64 ,int64 ,error ){if _cfe ,_ede :=_bfd .(*PdfIndirectObject );_ede {return _cfe .ObjectNumber ,_cfe .GenerationNumber ,nil ;};if _ag ,_fgd :=_bfd .(*PdfObjectStream );_fgd {return _ag .ObjectNumber ,_ag .GenerationNumber ,nil ;
};return 0,0,_cf .New ("\u006e\u006ft\u0020\u0061\u006e\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u002f\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006f\u0062je\u0063\u0074");};func (_aafe *PdfParser )parseName ()(PdfObjectName ,error ){var _bgec _dc .Buffer ;
_bbca :=false ;for {_bcacb ,_gbdb :=_aafe ._dbac .Peek (1);if _gbdb ==_ac .EOF {break ;};if _gbdb !=nil {return PdfObjectName (_bgec .String ()),_gbdb ;};if !_bbca {if _bcacb [0]=='/'{_bbca =true ;_aafe ._dbac .ReadByte ();}else if _bcacb [0]=='%'{_aafe .readComment ();
_aafe .skipSpaces ();}else {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020N\u0061\u006d\u0065\u0020\u0073\u0074\u0061\u0072\u0074\u0069\u006e\u0067\u0020w\u0069\u0074\u0068\u0020\u0025\u0073\u0020(\u0025\u0020\u0078\u0029",_bcacb ,_bcacb );return PdfObjectName (_bgec .String ()),_cb .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_bcacb [0]);
};}else {if IsWhiteSpace (_bcacb [0]){break ;}else if (_bcacb [0]=='/')||(_bcacb [0]=='[')||(_bcacb [0]=='(')||(_bcacb [0]==']')||(_bcacb [0]=='<')||(_bcacb [0]=='>'){break ;}else if _bcacb [0]=='#'{_ddc ,_cggb :=_aafe ._dbac .Peek (3);if _cggb !=nil {return PdfObjectName (_bgec .String ()),_cggb ;
};_bgfb ,_cggb :=_bg .DecodeString (string (_ddc [1:3]));if _cggb !=nil {_beff .Log .Debug ("\u0045\u0052\u0052\u004fR\u003a\u0020\u0049\u006ev\u0061\u006c\u0069d\u0020\u0068\u0065\u0078\u0020\u0066o\u006c\u006co\u0077\u0069\u006e\u0067 \u0027\u0023\u0027\u002c \u0063\u006f\u006e\u0074\u0069n\u0075\u0069\u006e\u0067\u0020\u0075\u0073i\u006e\u0067\u0020\u006c\u0069t\u0065\u0072\u0061\u006c\u0020\u002d\u0020\u004f\u0075t\u0070\u0075\u0074\u0020\u006d\u0061\u0079\u0020\u0062\u0065\u0020\u0069\u006e\u0063\u006f\u0072\u0072\u0065\u0063\u0074");
_bgec .WriteByte ('#');_aafe ._dbac .Discard (1);continue ;};_aafe ._dbac .Discard (3);_bgec .Write (_bgfb );}else {_dfbc ,_ :=_aafe ._dbac .ReadByte ();_bgec .WriteByte (_dfbc );};};};return PdfObjectName (_bgec .String ()),nil ;};

// GetBool returns the *PdfObjectBool object that is represented by a PdfObject directly or indirectly
// within an indirect object. The bool flag indicates whether a match was found.
func GetBool (obj PdfObject )(_fabef *PdfObjectBool ,_bfdgc bool ){_fabef ,_bfdgc =TraceToDirectObject (obj ).(*PdfObjectBool );return _fabef ,_bfdgc ;};

// IsAuthenticated returns true if the PDF has already been authenticated for accessing.
func (_cgbc *PdfParser )IsAuthenticated ()bool {return _cgbc ._eeef ._efg };func (_cdbd *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_ac .SeekStart {offset +=_cdbd ._agbc ;};_efea ,_ccgf :=_cdbd ._febe .Seek (offset ,whence );
if _ccgf !=nil {return _efea ,_ccgf ;};if whence ==_ac .SeekCurrent {_efea -=_cdbd ._agbc ;};if _efea < 0{return 0,_cf .New ("\u0063\u006f\u0072\u0065\u002eo\u0066\u0066\u0073\u0065\u0074\u0052\u0065\u0061\u0064\u0065\u0072\u002e\u0053e\u0065\u006b\u003a\u0020\u006e\u0065\u0067\u0061\u0074\u0069\u0076\u0065\u0020\u0070\u006f\u0073\u0069\u0074\u0069\u006f\u006e");
};return _efea ,nil ;};

// UpdateParams updates the parameter values of the encoder.
func (_aefa *DCTEncoder )UpdateParams (params *PdfObjectDictionary ){_dffb ,_bbfe :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));if _bbfe ==nil {_aefa .ColorComponents =int (_dffb );
};_dgba ,_bbfe :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));if _bbfe ==nil {_aefa .BitsPerComponent =int (_dgba );};_gdbe ,_bbfe :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));
if _bbfe ==nil {_aefa .Width =int (_gdbe );};_gdbb ,_bbfe :=GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));if _bbfe ==nil {_aefa .Height =int (_gdbb );};_gcaf ,_bbfe :=GetNumberAsInt64 (params .Get ("\u0051u\u0061\u006c\u0069\u0074\u0079"));
if _bbfe ==nil {_aefa .Quality =int (_gcaf );};};

// Validate validates the page settings for the JBIG2 encoder.
func (_dfbdg JBIG2EncoderSettings )Validate ()error {const _geca ="\u0076a\u006ci\u0064\u0061\u0074\u0065\u0045\u006e\u0063\u006f\u0064\u0065\u0072";if _dfbdg .Threshold < 0||_dfbdg .Threshold > 1.0{return _bba .Errorf (_geca ,"\u0070\u0072\u006f\u0076\u0069\u0064\u0065\u0064\u0020\u0074\u0068\u0072\u0065\u0073\u0068\u006f\u006c\u0064\u0020\u0076a\u006c\u0075\u0065\u003a\u0020\u0027\u0025\u0076\u0027 \u006d\u0075\u0073\u0074\u0020\u0062\u0065\u0020\u0069\u006e\u0020\u0072\u0061n\u0067\u0065\u0020\u005b\u0030\u002e0\u002c\u0020\u0031.\u0030\u005d",_dfbdg .Threshold );
};if _dfbdg .ResolutionX < 0{return _bba .Errorf (_geca ,"\u0070\u0072\u006f\u0076\u0069\u0064\u0065\u0064\u0020\u0078\u0020\u0072\u0065\u0073\u006f\u006c\u0075\u0074\u0069\u006fn\u003a\u0020\u0027\u0025\u0064\u0027\u0020\u006d\u0075s\u0074\u0020\u0062\u0065\u0020\u0070\u006f\u0073\u0069\u0074\u0069\u0076\u0065 \u006f\u0072\u0020\u007a\u0065\u0072o\u0020\u0076\u0061l\u0075\u0065",_dfbdg .ResolutionX );
};if _dfbdg .ResolutionY < 0{return _bba .Errorf (_geca ,"\u0070\u0072\u006f\u0076\u0069\u0064\u0065\u0064\u0020\u0079\u0020\u0072\u0065\u0073\u006f\u006c\u0075\u0074\u0069\u006fn\u003a\u0020\u0027\u0025\u0064\u0027\u0020\u006d\u0075s\u0074\u0020\u0062\u0065\u0020\u0070\u006f\u0073\u0069\u0074\u0069\u0076\u0065 \u006f\u0072\u0020\u007a\u0065\u0072o\u0020\u0076\u0061l\u0075\u0065",_dfbdg .ResolutionY );
};if _dfbdg .DefaultPixelValue !=0&&_dfbdg .DefaultPixelValue !=1{return _bba .Errorf (_geca ,"de\u0066\u0061u\u006c\u0074\u0020\u0070\u0069\u0078\u0065\u006c\u0020v\u0061\u006c\u0075\u0065\u003a\u0020\u0027\u0025\u0064\u0027\u0020\u006d\u0075\u0073\u0074\u0020\u0062\u0065\u0020\u0061\u0020\u0076\u0061\u006c\u0075\u0065\u0020\u0066o\u0072 \u0074\u0068\u0065\u0020\u0062\u0069\u0074\u003a \u007b0\u002c\u0031}",_dfbdg .DefaultPixelValue );
};if _dfbdg .Compression !=JB2Generic {return _bba .Errorf (_geca ,"\u0070\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0063\u006fm\u0070\u0072\u0065\u0073s\u0069\u006f\u006e\u0020\u0069\u0073\u0020\u006e\u006f\u0074\u0020\u0069\u006d\u0070\u006c\u0065\u006d\u0065\u006e\u0074\u0065\u0064\u0020\u0079\u0065\u0074");
};return nil ;};

// Len returns the number of elements in the streams.
func (_efaed *PdfObjectStreams )Len ()int {if _efaed ==nil {return 0;};return len (_efaed ._bbeg );};

// AddEncoder adds the passed in encoder to the underlying encoder slice.
func (_agab *MultiEncoder )AddEncoder (encoder StreamEncoder ){_agab ._fgfc =append (_agab ._fgfc ,encoder );};

// NewLZWEncoder makes a new LZW encoder with default parameters.
func NewLZWEncoder ()*LZWEncoder {_edfe :=&LZWEncoder {};_edfe .Predictor =1;_edfe .BitsPerComponent =8;_edfe .Colors =1;_edfe .Columns =1;_edfe .EarlyChange =1;return _edfe ;};

// JBIG2Image is the image structure used by the jbig2 encoder. Its Data must be in a
// 1 bit per component and 1 component per pixel (1bpp). In order to create binary image
// use GoImageToJBIG2 function. If the image data contains the row bytes padding set the HasPadding to true.
type JBIG2Image struct{

// Width and Height defines the image boundaries.
Width ,Height int ;

// Data is the byte slice data for the input image
Data []byte ;

// HasPadding is the attribute that defines if the last byte of the data in the row contains
// 0 bits padding.
HasPadding bool ;};func _ccdfc (_bgde _ac .ReadSeeker ,_ebbfe int64 )(*offsetReader ,error ){_adbg :=&offsetReader {_febe :_bgde ,_agbc :_ebbfe };_ ,_gdfe :=_adbg .Seek (0,_ac .SeekStart );return _adbg ,_gdfe ;};

// RegisterCustomStreamEncoder register a custom encoder handler for certain filter.
func RegisterCustomStreamEncoder (filterName string ,customStreamEncoder StreamEncoder ){_gbfda .Store (filterName ,customStreamEncoder );};

// IsWhiteSpace checks if byte represents a white space character.
func IsWhiteSpace (ch byte )bool {if (ch ==0x00)||(ch ==0x09)||(ch ==0x0A)||(ch ==0x0C)||(ch ==0x0D)||(ch ==0x20){return true ;};return false ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_cfaa *ASCIIHexEncoder )MakeStreamDict ()*PdfObjectDictionary {_bcbd :=MakeDict ();_bcbd .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_cfaa .GetFilterName ()));return _bcbd ;};

// GetFilterName returns the name of the encoding filter.
func (_dabc *FlateEncoder )GetFilterName ()string {return StreamEncodingFilterNameFlate };

// GetCrypter returns the PdfCrypt instance which has information about the PDFs encryption.
func (_cdcfb *PdfParser )GetCrypter ()*PdfCrypt {return _cdcfb ._eeef };

// SetIfNotNil sets the dictionary's key -> val mapping entry -IF- val is not nil.
// Note that we take care to perform a type switch.  Otherwise if we would supply a nil value
// of another type, e.g. (PdfObjectArray*)(nil), then it would not be a PdfObject(nil) and thus
// would get set.
func (_cbgcg *PdfObjectDictionary )SetIfNotNil (key PdfObjectName ,val PdfObject ){if val !=nil {switch _dgafe :=val .(type ){case *PdfObjectName :if _dgafe !=nil {_cbgcg .Set (key ,val );};case *PdfObjectDictionary :if _dgafe !=nil {_cbgcg .Set (key ,val );
};case *PdfObjectStream :if _dgafe !=nil {_cbgcg .Set (key ,val );};case *PdfObjectString :if _dgafe !=nil {_cbgcg .Set (key ,val );};case *PdfObjectNull :if _dgafe !=nil {_cbgcg .Set (key ,val );};case *PdfObjectInteger :if _dgafe !=nil {_cbgcg .Set (key ,val );
};case *PdfObjectArray :if _dgafe !=nil {_cbgcg .Set (key ,val );};case *PdfObjectBool :if _dgafe !=nil {_cbgcg .Set (key ,val );};case *PdfObjectFloat :if _dgafe !=nil {_cbgcg .Set (key ,val );};case *PdfObjectReference :if _dgafe !=nil {_cbgcg .Set (key ,val );
};case *PdfIndirectObject :if _dgafe !=nil {_cbgcg .Set (key ,val );};default:_beff .Log .Error ("\u0045\u0052R\u004f\u0052\u003a\u0020\u0055\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0074\u0079\u0070\u0065\u003a\u0020\u0025\u0054\u0020\u002d\u0020\u0073\u0068\u006f\u0075\u006c\u0064\u0020\u006e\u0065\u0076\u0065\u0072\u0020\u0068\u0061\u0070\u0070\u0065\u006e\u0021",val );
};};};

// LookupByReference looks up a PdfObject by a reference.
func (_agg *PdfParser )LookupByReference (ref PdfObjectReference )(PdfObject ,error ){_beff .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0075\u0070\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065\u0020\u0025\u0073",ref .String ());
return _agg .LookupByNumber (int (ref .ObjectNumber ));};

// WriteString outputs the object as it is to be written to file.
func (_cdcc *PdfObjectReference )WriteString ()string {var _cdgb _gf .Builder ;_cdgb .WriteString (_b .FormatInt (_cdcc .ObjectNumber ,10));_cdgb .WriteString ("\u0020");_cdgb .WriteString (_b .FormatInt (_cdcc .GenerationNumber ,10));_cdgb .WriteString ("\u0020\u0052");
return _cdgb .String ();};

// Encode encodes previously prepare jbig2 document and stores it as the byte slice.
func (_acfc *JBIG2Encoder )Encode ()(_bfcfe []byte ,_bafc error ){const _dgcb ="J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u002e\u0045\u006eco\u0064\u0065";if _acfc ._fegg ==nil {return nil ,_bba .Errorf (_dgcb ,"\u0064\u006f\u0063u\u006d\u0065\u006e\u0074 \u0069\u006e\u0070\u0075\u0074\u0020\u0064a\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006e\u0065\u0064");
};_acfc ._fegg .FullHeaders =_acfc .DefaultPageSettings .FileMode ;_bfcfe ,_bafc =_acfc ._fegg .Encode ();if _bafc !=nil {return nil ,_bba .Wrap (_bafc ,_dgcb ,"");};return _bfcfe ,nil ;};func _ebgd (_baff *PdfObjectStream ,_gfecg *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _gece ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";
_cdf :=NewJBIG2Encoder ();_cefb :=_baff .PdfObjectDictionary ;if _cefb ==nil {return _cdf ,nil ;};if _gfecg ==nil {_fgfd :=_cefb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _fgfd !=nil {switch _ccbe :=_fgfd .(type ){case *PdfObjectDictionary :_gfecg =_ccbe ;
case *PdfObjectArray :if _ccbe .Len ()==1{if _geae ,_feddf :=GetDict (_ccbe .Get (0));_feddf {_gfecg =_geae ;};};default:_beff .Log .Error ("\u0044\u0065\u0063\u006f\u0064\u0065P\u0061\u0072\u0061\u006d\u0073\u0020\u006e\u006f\u0074\u0020\u0061\u0020\u0064i\u0063\u0074\u0069\u006f\u006e\u0061\u0072y\u0020\u0025\u0023\u0076",_fgfd );
return nil ,_bba .Errorf (_gece ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_ccbe );};};};if _gfecg ==nil {return _cdf ,nil ;};_cdf .UpdateParams (_gfecg );
_bgbe ,_dgaf :=GetStream (_gfecg .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_dgaf {return _cdf ,nil ;};var _ggfff error ;_cdf .Globals ,_ggfff =_gg .DecodeGlobals (_bgbe .Stream );if _ggfff !=nil {_ggfff =_bba .Wrap (_ggfff ,_gece ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_beff .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_ggfff );return nil ,_ggfff ;};return _cdf ,nil ;};

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_ccde *PdfParser )GetFileOffset ()int64 {_adca ,_ :=_ccde ._bbba .Seek (0,_ac .SeekCurrent );_adca -=int64 (_ccde ._dbac .Buffered ());return _adca ;};func _gfee (_eaeff *PdfObjectDictionary )(_ffeg *_bf .ImageBase ){var (_ffaee *PdfObjectInteger ;
_bfdf bool ;);if _ffaee ,_bfdf =_eaeff .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );_bfdf {_ffeg =&_bf .ImageBase {Width :int (*_ffaee )};}else {return nil ;};if _ffaee ,_bfdf =_eaeff .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );
_bfdf {_ffeg .Height =int (*_ffaee );};if _ffaee ,_bfdf =_eaeff .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );_bfdf {_ffeg .BitsPerComponent =int (*_ffaee );};if _ffaee ,_bfdf =_eaeff .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );
_bfdf {_ffeg .ColorComponents =int (*_ffaee );};return _ffeg ;};

// String returns a string representation of the *PdfObjectString.
func (_bddg *PdfObjectString )String ()string {return _bddg ._bdccf };

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_aefba *RawEncoder )MakeStreamDict ()*PdfObjectDictionary {return MakeDict ()};

// GetParser returns the parser for lazy-loading or compare references.
func (_gfgb *PdfObjectReference )GetParser ()*PdfParser {return _gfgb ._fedeg };

// Keys returns the list of keys in the dictionary.
// If `d` is nil returns a nil slice.
func (_ddcc *PdfObjectDictionary )Keys ()[]PdfObjectName {if _ddcc ==nil {return nil ;};return _ddcc ._ebdd ;};func _gfg (_dag *_de .FilterDict ,_cfbd *PdfObjectDictionary )error {if _dgg ,_ddf :=_cfbd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_ddf {if _cca :=string (*_dgg );_cca !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_beff .Log .Debug ("\u0049\u006e\u0076\u0061\u006c\u0069\u0064\u0020C\u0046\u0020\u0064ic\u0074\u0020\u0074\u0079\u0070\u0065:\u0020\u0025\u0073\u0020\u0028\u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0062\u0065\u0020C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074e\u0072\u0029",_cca );
};};_fbb ,_gfca :=_cfbd .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_gfca {return _cb .Errorf ("\u0075\u006e\u0073u\u0070\u0070\u006f\u0072t\u0065\u0064\u0020\u0063\u0072\u0079\u0070t\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u0028\u004e\u006f\u006e\u0065\u0029");
};_dag .CFM =string (*_fbb );if _aed ,_aee :=_cfbd .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_aee {_dag .AuthEvent =_cd .AuthEvent (*_aed );}else {_dag .AuthEvent =_cd .EventDocOpen ;};if _acf ,_cab :=_cfbd .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_cab {_dag .Length =int (*_acf );};return nil ;};func (_aedc *JBIG2Image )toBitmap ()(_edbac *_cba .Bitmap ,_bcf error ){const _efag ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";if _aedc .Data ==nil {return nil ,_bba .Error (_efag ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");
};if _aedc .Width ==0||_aedc .Height ==0{return nil ,_bba .Error (_efag ,"\u0069\u006d\u0061\u0067\u0065\u0020h\u0065\u0069\u0067\u0068\u0074\u0020\u006f\u0072\u0020\u0077\u0069\u0064\u0074h\u0020\u006e\u006f\u0074\u0020\u0064\u0065f\u0069\u006e\u0065\u0064");
};if _aedc .HasPadding {_edbac ,_bcf =_cba .NewWithData (_aedc .Width ,_aedc .Height ,_aedc .Data );}else {_edbac ,_bcf =_cba .NewWithUnpaddedData (_aedc .Width ,_aedc .Height ,_aedc .Data );};if _bcf !=nil {return nil ,_bba .Wrap (_bcf ,_efag ,"");};return _edbac ,nil ;
};

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_bgbd Version ;_bbba _ac .ReadSeeker ;_dbac *_aab .Reader ;_egce int64 ;_bedf XrefTable ;_dgafg int64 ;_eeba *xrefType ;_afcd objectStreams ;_dafb *PdfObjectDictionary ;_eeef *PdfCrypt ;_dcee bool ;ObjCache objectCache ;_fegd map[int ]bool ;
_gedf map[int64 ]bool ;};

// GetXrefType returns the type of the first xref object (table or stream).
func (_egag *PdfParser )GetXrefType ()*xrefType {return _egag ._eeba };

// GetTrailer returns the PDFs trailer dictionary. The trailer dictionary is typically the starting point for a PDF,
// referencing other key objects that are important in the document structure.
func (_gfgf *PdfParser )GetTrailer ()*PdfObjectDictionary {return _gfgf ._dafb };type objectStream struct{N int ;_cfa []byte ;_ea map[int ]int64 ;};var _effaa =_af .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");


// ReadAtLeast reads at least n bytes into slice p.
// Returns the number of bytes read (should always be == n), and an error on failure.
func (_gebad *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_dece :=n ;_dgcf :=0;_gafd :=0;for _dece > 0{_affe ,_fdaef :=_gebad ._dbac .Read (p [_dgcf :]);if _fdaef !=nil {_beff .Log .Debug ("\u0045\u0052\u0052O\u0052\u0020\u0046\u0061i\u006c\u0065\u0064\u0020\u0072\u0065\u0061d\u0069\u006e\u0067\u0020\u0028\u0025\u0064\u003b\u0025\u0064\u0029\u0020\u0025\u0073",_affe ,_gafd ,_fdaef .Error ());
return _dgcf ,_cf .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_gafd ++;_dgcf +=_affe ;_dece -=_affe ;};return _dgcf ,nil ;};func _cbeb (_dfgea ,_egbd ,_eeeg int )error {if _egbd < 0||_egbd > _dfgea {return _cf .New ("s\u006c\u0069\u0063\u0065\u0020\u0069n\u0064\u0065\u0078\u0020\u0061\u0020\u006f\u0075\u0074 \u006f\u0066\u0020b\u006fu\u006e\u0064\u0073");
};if _eeeg < _egbd {return _cf .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0073\u006c\u0069\u0063e\u0020i\u006ed\u0065\u0078\u0020\u0062\u0020\u003c\u0020a");};if _eeeg > _dfgea {return _cf .New ("s\u006c\u0069\u0063\u0065\u0020\u0069n\u0064\u0065\u0078\u0020\u0062\u0020\u006f\u0075\u0074 \u006f\u0066\u0020b\u006fu\u006e\u0064\u0073");
};return nil ;};

// DecodeBytes decodes a slice of JPX encoded bytes and returns the result.
func (_ebbc *JPXEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_beff .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u003a\u0020\u0041t\u0074\u0065\u006dpt\u0069\u006e\u0067\u0020\u0074\u006f \u0075\u0073\u0065\u0020\u0075\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067 \u0025\u0073",_ebbc .GetFilterName ());
return encoded ,ErrNoJPXDecode ;};

// UpdateParams updates the parameter values of the encoder.
func (_bgaa *ASCIIHexEncoder )UpdateParams (params *PdfObjectDictionary ){};

// EncodeBytes encodes the passed in slice of bytes by passing it through the
// EncodeBytes method of the underlying encoders.
func (_fac *MultiEncoder )EncodeBytes (data []byte )([]byte ,error ){_bgfa :=data ;var _dcdf error ;for _adgb :=len (_fac ._fgfc )-1;_adgb >=0;_adgb --{_ecag :=_fac ._fgfc [_adgb ];_bgfa ,_dcdf =_ecag .EncodeBytes (_bgfa );if _dcdf !=nil {return nil ,_dcdf ;
};};return _bgfa ,nil ;};var _faf =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};

// EncodeBytes encodes the image data using either Group3 or Group4 CCITT facsimile (fax) encoding.
// `data` is expected to be 1 color component, 1 bit per component. It is also valid to provide 8 BPC, 1 CC image like
// a standard go image Gray data.
func (_aefc *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _cce _bf .Gray ;switch len (data ){case _aefc .Rows *_aefc .Columns :_cac ,_cgf :=_bf .NewImage (_aefc .Columns ,_aefc .Rows ,8,1,data ,nil ,nil );if _cgf !=nil {return nil ,_cgf ;
};_cce =_cac .(_bf .Gray );case (_aefc .Columns *_aefc .Rows )+7>>3:_gcgfe ,_aagd :=_bf .NewImage (_aefc .Columns ,_aefc .Rows ,1,1,data ,nil ,nil );if _aagd !=nil {return nil ,_aagd ;};_daeag :=_gcgfe .(*_bf .Monochrome );if _aagd =_daeag .AddPadding ();
_aagd !=nil {return nil ,_aagd ;};_cce =_daeag ;default:if len (data )< _bf .BytesPerLine (_aefc .Columns ,1,1)*_aefc .Rows {return nil ,_cf .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_feefb ,_feee :=_bf .NewImage (_aefc .Columns ,_aefc .Rows ,1,1,data ,nil ,nil );if _feee !=nil {return nil ,_feee ;};_daca :=_feefb .(*_bf .Monochrome );_cce =_daca ;};_ebec :=make ([][]byte ,_aefc .Rows );for _cfcf :=0;_cfcf < _aefc .Rows ;_cfcf ++{_bdbc :=make ([]byte ,_aefc .Columns );
for _gcag :=0;_gcag < _aefc .Columns ;_gcag ++{_bdbd :=_cce .GrayAt (_gcag ,_cfcf );_bdbc [_gcag ]=_bdbd .Y >>7;};_ebec [_cfcf ]=_bdbc ;};_gggc :=&_cbc .Encoder {K :_aefc .K ,Columns :_aefc .Columns ,EndOfLine :_aefc .EndOfLine ,EndOfBlock :_aefc .EndOfBlock ,BlackIs1 :_aefc .BlackIs1 ,DamagedRowsBeforeError :_aefc .DamagedRowsBeforeError ,Rows :_aefc .Rows ,EncodedByteAlign :_aefc .EncodedByteAlign };
return _gggc .Encode (_ebec ),nil ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_acec *MultiEncoder )MakeDecodeParams ()PdfObject {if len (_acec ._fgfc )==0{return nil ;};if len (_acec ._fgfc )==1{return _acec ._fgfc [0].MakeDecodeParams ();};_adef :=MakeArray ();for _ ,_dacc :=range _acec ._fgfc {_fagf :=_dacc .MakeDecodeParams ();
if _fagf ==nil {_adef .Append (MakeNull ());}else {_adef .Append (_fagf );};};return _adef ;};func (_cee *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_edfbf :=_cee ._dbac .Discard (4);return PdfObjectNull {},_edfbf ;};

// ToFloat64Array returns a slice of all elements in the array as a float64 slice.  An error is
// returned if the array contains non-numeric objects (each element can be either PdfObjectInteger
// or PdfObjectFloat).
func (_bcabe *PdfObjectArray )ToFloat64Array ()([]float64 ,error ){var _eaaa []float64 ;for _ ,_fgaaa :=range _bcabe .Elements (){switch _befef :=_fgaaa .(type ){case *PdfObjectInteger :_eaaa =append (_eaaa ,float64 (*_befef ));case *PdfObjectFloat :_eaaa =append (_eaaa ,float64 (*_befef ));
default:return nil ,ErrTypeError ;};};return _eaaa ,nil ;};

// EncodeImage encodes 'img' golang image.Image into jbig2 encoded bytes document using default encoder settings.
func (_bcc *JBIG2Encoder )EncodeImage (img _be .Image )([]byte ,error ){return _bcc .encodeImage (img )};

// GetFilterName returns the name of the encoding filter.
func (_gfba *JBIG2Encoder )GetFilterName ()string {return StreamEncodingFilterNameJBIG2 };

// MakeObjectStreams creates an PdfObjectStreams from a list of PdfObjects.
func MakeObjectStreams (objects ...PdfObject )*PdfObjectStreams {return &PdfObjectStreams {_bbeg :objects };};

// PdfObjectStream represents the primitive PDF Object stream.
type PdfObjectStream struct{PdfObjectReference ;*PdfObjectDictionary ;Stream []byte ;};func (_aea *PdfCrypt )decryptBytes (_gcf []byte ,_fega string ,_dgaa []byte )([]byte ,error ){_beff .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_adacb ,_edba :=_aea ._ab [_fega ];if !_edba {return nil ,_cb .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_fega );};return _adacb .DecryptBytes (_gcf ,_dgaa );};

// GetInt returns the *PdfObjectBool object that is represented by a PdfObject either directly or indirectly
// within an indirect object. The bool flag indicates whether a match was found.
func GetInt (obj PdfObject )(_egba *PdfObjectInteger ,_fgde bool ){_egba ,_fgde =TraceToDirectObject (obj ).(*PdfObjectInteger );return _egba ,_fgde ;};

// TraceToDirectObject traces a PdfObject to a direct object.  For example direct objects contained
// in indirect objects (can be double referenced even).
func TraceToDirectObject (obj PdfObject )PdfObject {if _eaec ,_ggdc :=obj .(*PdfObjectReference );_ggdc {obj =_eaec .Resolve ();};_fdbfe ,_eegd :=obj .(*PdfIndirectObject );_aabda :=0;for _eegd {obj =_fdbfe .PdfObject ;_fdbfe ,_eegd =GetIndirect (obj );
_aabda ++;if _aabda > _efb {_beff .Log .Error ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0054\u0072\u0061\u0063\u0065\u0020\u0064\u0065p\u0074\u0068\u0020\u006c\u0065\u0076\u0065\u006c\u0020\u0062\u0065\u0079\u006fn\u0064\u0020\u0025\u0064\u0020\u002d\u0020\u006e\u006f\u0074\u0020\u0067oi\u006e\u0067\u0020\u0064\u0065\u0065\u0070\u0065\u0072\u0021",_efb );
return nil ;};};return obj ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_acge *CCITTFaxEncoder )MakeStreamDict ()*PdfObjectDictionary {_eefg :=MakeDict ();_eefg .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_acge .GetFilterName ()));_cgae :=_acge .MakeDecodeParams ();if _cgae !=nil {_eefg .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_cgae );
};return _eefg ;};func _bedb (_fbfa PdfObject ,_dfba int ,_ceefc map[PdfObject ]struct{})error {_beff .Log .Trace ("\u0054\u0072\u0061\u0076\u0065\u0072s\u0065\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0064\u0061\u0074\u0061 \u0028\u0064\u0065\u0070\u0074\u0068\u0020=\u0020\u0025\u0064\u0029",_dfba );
if _ ,_fbde :=_ceefc [_fbfa ];_fbde {_beff .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_ceefc [_fbfa ]=struct{}{};switch _fcdc :=_fbfa .(type ){case *PdfIndirectObject :_fcff :=_fcdc ;
_beff .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_fcff );_beff .Log .Trace ("\u002d\u0020\u0025\u0073",_fcff .PdfObject );return _bedb (_fcff .PdfObject ,_dfba +1,_ceefc );case *PdfObjectStream :_caga :=_fcdc ;return _bedb (_caga .PdfObjectDictionary ,_dfba +1,_ceefc );
case *PdfObjectDictionary :_gabbge :=_fcdc ;_beff .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_gabbge );for _ ,_eecb :=range _gabbge .Keys (){_dcag :=_gabbge .Get (_eecb );if _bgcb ,_ecdcf :=_dcag .(*PdfObjectReference );
_ecdcf {_dfgb :=_bgcb .Resolve ();_gabbge .Set (_eecb ,_dfgb );_ecgaf :=_bedb (_dfgb ,_dfba +1,_ceefc );if _ecgaf !=nil {return _ecgaf ;};}else {_cdbdfc :=_bedb (_dcag ,_dfba +1,_ceefc );if _cdbdfc !=nil {return _cdbdfc ;};};};return nil ;case *PdfObjectArray :_fgcfe :=_fcdc ;
_beff .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_fgcfe );for _cdfb ,_badb :=range _fgcfe .Elements (){if _cegd ,_acbg :=_badb .(*PdfObjectReference );_acbg {_daaf :=_cegd .Resolve ();_fgcfe .Set (_cdfb ,_daaf );_gaff :=_bedb (_daaf ,_dfba +1,_ceefc );
if _gaff !=nil {return _gaff ;};}else {_efda :=_bedb (_badb ,_dfba +1,_ceefc );if _efda !=nil {return _efda ;};};};return nil ;case *PdfObjectReference :_beff .Log .Debug ("E\u0052\u0052\u004f\u0052\u003a\u0020T\u0072\u0061\u0063\u0069\u006e\u0067\u0020\u0061\u0020r\u0065\u0066\u0065r\u0065n\u0063\u0065\u0021");
return _cf .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");};return nil ;};

// LookupByNumber looks up a PdfObject by object number.  Returns an error on failure.
func (_dca *PdfParser )LookupByNumber (objNumber int )(PdfObject ,error ){_cdc ,_ ,_gfe :=_dca .lookupByNumberWrapper (objNumber ,true );return _cdc ,_gfe ;};type xrefType int ;

// GetFloatVal returns the float64 value represented by the PdfObject directly or indirectly if contained within an
// indirect object. On type mismatch the found bool flag returned is false and a nil pointer is returned.
func GetFloatVal (obj PdfObject )(_febb float64 ,_aacc bool ){_eada ,_aacc :=TraceToDirectObject (obj ).(*PdfObjectFloat );if _aacc {return float64 (*_eada ),true ;};return 0,false ;};func (_cgda *PdfParser )seekToEOFMarker (_agegb int64 )error {var _acce int64 ;
var _effgf int64 =2048;for _acce < _agegb -4{if _agegb <=(_effgf +_acce ){_effgf =_agegb -_acce ;};_ ,_afaf :=_cgda ._bbba .Seek (-_acce -_effgf ,_ac .SeekEnd );if _afaf !=nil {return _afaf ;};_dacg :=make ([]byte ,_effgf );_cgda ._bbba .Read (_dacg );
_beff .Log .Trace ("\u004c\u006f\u006f\u006bi\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0045\u004f\u0046 \u006da\u0072\u006b\u0065\u0072\u003a\u0020\u0022%\u0073\u0022",string (_dacg ));_fffd :=_ecaed .FindAllStringIndex (string (_dacg ),-1);if _fffd !=nil {_fbgf :=_fffd [len (_fffd )-1];
_beff .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_fffd );_cgda ._bbba .Seek (-_acce -_effgf +int64 (_fbgf [0]),_ac .SeekEnd );return nil ;};_beff .Log .Debug ("\u0057\u0061\u0072\u006e\u0069\u006eg\u003a\u0020\u0045\u004f\u0046\u0020\u006d\u0061\u0072\u006b\u0065\u0072\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064\u0021\u0020\u002d\u0020\u0063\u006f\u006e\u0074\u0069\u006e\u0075\u0065\u0020s\u0065e\u006b\u0069\u006e\u0067");
_acce +=_effgf -4;};_beff .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u003a\u0020\u0045\u004f\u0046\u0020\u006d\u0061\u0072\u006be\u0072 \u0077\u0061\u0073\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u002e");return _cf .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};func _fbdge (_dceef string )(int ,int ,error ){_deeg :=_gegf .FindStringSubmatch (_dceef );if len (_deeg )< 3{return 0,0,_cf .New ("\u0075\u006e\u0061b\u006c\u0065\u0020\u0074\u006f\u0020\u0064\u0065\u0074\u0065\u0063\u0074\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020s\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065");
};_fgcf ,_ :=_b .Atoi (_deeg [1]);_cccd ,_ :=_b .Atoi (_deeg [2]);return _fgcf ,_cccd ,nil ;};func (_baf *PdfParser )lookupByNumber (_fdg int ,_cae bool )(PdfObject ,bool ,error ){_ece ,_ggc :=_baf .ObjCache [_fdg ];if _ggc {_beff .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u0063a\u0063\u0068\u0065\u0064\u0020\u006f\u0062\u006a\u0065\u0063t\u0020\u0025\u0064",_fdg );
return _ece ,false ,nil ;};if _baf ._fegd ==nil {_baf ._fegd =map[int ]bool {};};if _baf ._fegd [_fdg ]{_beff .Log .Debug ("ER\u0052\u004f\u0052\u003a\u0020\u004c\u006fok\u0075\u0070\u0020\u006f\u0066\u0020\u0025\u0064\u0020\u0069\u0073\u0020\u0061\u006c\u0072e\u0061\u0064\u0079\u0020\u0069\u006e\u0020\u0070\u0072\u006f\u0067\u0072\u0065\u0073\u0073\u0020\u002d\u0020\u0072\u0065c\u0075\u0072\u0073\u0069\u0076\u0065 \u006c\u006f\u006f\u006b\u0075\u0070\u0020\u0061\u0074t\u0065m\u0070\u0074\u0020\u0062\u006c\u006f\u0063\u006b\u0065\u0064",_fdg );
return nil ,false ,_cf .New ("\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006f\u006f\u006b\u0075p\u0020a\u0074\u0074\u0065\u006d\u0070\u0074\u0020\u0062\u006c\u006f\u0063\u006b\u0065\u0064");};_baf ._fegd [_fdg ]=true ;defer delete (_baf ._fegd ,_fdg );
_afgd ,_ggc :=_baf ._bedf .ObjectMap [_fdg ];if !_ggc {_beff .Log .Trace ("\u0055\u006e\u0061\u0062l\u0065\u0020\u0074\u006f\u0020\u006c\u006f\u0063\u0061t\u0065\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0069\u006e\u0020\u0078\u0072\u0065\u0066\u0073\u0021 \u002d\u0020\u0052\u0065\u0074u\u0072\u006e\u0069\u006e\u0067\u0020\u006e\u0075\u006c\u006c\u0020\u006f\u0062\u006a\u0065\u0063\u0074");
var _ae PdfObjectNull ;return &_ae ,false ,nil ;};_beff .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_fdg );if _afgd .XType ==XrefTypeTableEntry {_beff .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_afgd .ObjectNumber );
_beff .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_afgd .Generation );_beff .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_afgd .Offset );
_baf ._bbba .Seek (_afgd .Offset ,_ac .SeekStart );_baf ._dbac =_aab .NewReader (_baf ._bbba );_bfg ,_bfdg :=_baf .ParseIndirectObject ();if _bfdg !=nil {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006ce\u0064\u0020\u0072\u0065\u0061\u0064\u0069n\u0067\u0020\u0078\u0072\u0065\u0066\u0020\u0028\u0025\u0073\u0029",_bfdg );
if _cae {_beff .Log .Debug ("\u0041\u0074t\u0065\u006d\u0070\u0074i\u006e\u0067 \u0074\u006f\u0020\u0072\u0065\u0070\u0061\u0069r\u0020\u0078\u0072\u0065\u0066\u0073\u0020\u0028\u0074\u006f\u0070\u0020d\u006f\u0077\u006e\u0029");_fc ,_eb :=_baf .repairRebuildXrefsTopDown ();
if _eb !=nil {_beff .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_eb );return nil ,false ,_eb ;};_baf ._bedf =*_fc ;return _baf .lookupByNumber (_fdg ,false );
};return nil ,false ,_bfdg ;};if _cae {_agc ,_ ,_ :=_ec (_bfg );if int (_agc )!=_fdg {_beff .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_gaf :=_baf .rebuildXrefTable ();
if _gaf !=nil {return nil ,false ,_gaf ;};_baf .ObjCache =objectCache {};return _baf .lookupByNumberWrapper (_fdg ,false );};};_beff .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_baf .ObjCache [_fdg ]=_bfg ;
return _bfg ,false ,nil ;}else if _afgd .XType ==XrefTypeObjectStream {_beff .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_beff .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_beff .Log .Trace ("\u004f\u0062\u006a\u0065\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d \u0061\u0076\u0061\u0069\u006c\u0061b\u006c\u0065\u0020\u0069\u006e\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020%\u0064\u002f\u0025\u0064",_afgd .OsObjNumber ,_afgd .OsObjIndex );
if _afgd .OsObjNumber ==_fdg {_beff .Log .Debug ("E\u0052\u0052\u004f\u0052\u0020\u0043i\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065f\u0065\u0072\u0065n\u0063e\u0021\u003f\u0021");return nil ,true ,_cf .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_ccc :=_baf ._bedf .ObjectMap [_afgd .OsObjNumber ];_ccc {_dg ,_bbc :=_baf .lookupObjectViaOS (_afgd .OsObjNumber ,_fdg );if _bbc !=nil {_beff .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_bbc );
return nil ,true ,_bbc ;};_beff .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_baf .ObjCache [_fdg ]=_dg ;if _baf ._eeef !=nil {_baf ._eeef ._ceb [_dg ]=true ;};return _dg ,true ,nil ;};_beff .Log .Debug ("\u003f\u003f\u0020\u0042\u0065\u006c\u006f\u006eg\u0073\u0020\u0074o \u0061\u0020\u006e\u006f\u006e\u002dc\u0072\u006f\u0073\u0073\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065\u0064 \u006f\u0062\u006a\u0065\u0063\u0074\u0020\u002e.\u002e\u0021");
return nil ,true ,_cf .New ("\u006f\u0073\u0020\u0062\u0065\u006c\u006fn\u0067\u0073\u0020t\u006f\u0020\u0061\u0020n\u006f\u006e\u0020\u0063\u0072\u006f\u0073\u0073\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065\u0064\u0020\u006f\u0062\u006a\u0065\u0063\u0074");
};return nil ,false ,_cf .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

// Get returns the i-th element of the array or nil if out of bounds (by index).
func (_gbdaa *PdfObjectArray )Get (i int )PdfObject {if _gbdaa ==nil ||i >=len (_gbdaa ._dcfe )||i < 0{return nil ;};return _gbdaa ._dcfe [i ];};

// String returns the state of the bool as "true" or "false".
func (_aaba *PdfObjectBool )String ()string {if *_aaba {return "\u0074\u0072\u0075\u0065";};return "\u0066\u0061\u006cs\u0065";};func _cfea (_egaac PdfObject )(*float64 ,error ){switch _bfce :=_egaac .(type ){case *PdfObjectFloat :_bcdf :=float64 (*_bfce );
return &_bcdf ,nil ;case *PdfObjectInteger :_aaae :=float64 (*_bfce );return &_aaae ,nil ;case *PdfObjectNull :return nil ,nil ;};return nil ,ErrNotANumber ;};var _adec =_af .MustCompile ("\u005e\u005b\\\u002b\u002d\u002e\u005d*\u0028\u005b0\u002d\u0039\u002e\u005d\u002b\u0029\u005b\u0065E\u005d\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");
type objectCache map[int ]PdfObject ;

// GoImageToJBIG2 creates a binary image on the base of 'i' golang image.Image.
// If the image is not a black/white image then the function converts provided input into
// JBIG2Image with 1bpp. For non grayscale images the function performs the conversion to the grayscale temp image.
// Then it checks the value of the gray image value if it's within bounds of the black white threshold.
// This 'bwThreshold' value should be in range (0.0, 1.0). The threshold checks if the grayscale pixel (uint) value
// is greater or smaller than 'bwThreshold' * 255. Pixels inside the range will be white, and the others will be black.
// If the 'bwThreshold' is equal to -1.0 - JB2ImageAutoThreshold then it's value would be set on the base of
// it's histogram using Triangle method. For more information go to:
// 	https://www.mathworks.com/matlabcentral/fileexchange/28047-gray-image-thresholding-using-the-triangle-method
func GoImageToJBIG2 (i _be .Image ,bwThreshold float64 )(*JBIG2Image ,error ){const _cdad ="\u0047\u006f\u0049\u006d\u0061\u0067\u0065\u0054\u006fJ\u0042\u0049\u0047\u0032";if i ==nil {return nil ,_bba .Error (_cdad ,"i\u006d\u0061\u0067\u0065 '\u0069'\u0020\u006e\u006f\u0074\u0020d\u0065\u0066\u0069\u006e\u0065\u0064");
};var (_agf uint8 ;_bacc _bf .Image ;_fddb error ;);if bwThreshold ==JB2ImageAutoThreshold {_bacc ,_fddb =_bf .MonochromeConverter .Convert (i );}else if bwThreshold > 1.0||bwThreshold < 0.0{return nil ,_bba .Error (_cdad ,"p\u0072\u006f\u0076\u0069\u0064\u0065\u0064\u0020\u0074h\u0072\u0065\u0073\u0068\u006f\u006c\u0064 i\u0073\u0020\u006e\u006ft\u0020\u0069\u006e\u0020\u0061\u0020\u0072\u0061\u006ege\u0020\u007b0\u002e\u0030\u002c\u0020\u0031\u002e\u0030\u007d");
}else {_agf =uint8 (255*bwThreshold );_bacc ,_fddb =_bf .MonochromeThresholdConverter (_agf ).Convert (i );};if _fddb !=nil {return nil ,_fddb ;};return _fbbf (_bacc ),nil ;};

// GetString returns the *PdfObjectString represented by the PdfObject directly or indirectly within an indirect
// object. On type mismatch the found bool flag is false and a nil pointer is returned.
func GetString (obj PdfObject )(_gcbd *PdfObjectString ,_cbade bool ){_gcbd ,_cbade =TraceToDirectObject (obj ).(*PdfObjectString );return _gcbd ,_cbade ;};

// WriteString outputs the object as it is to be written to file.
func (_gcaa *PdfObjectNull )WriteString ()string {return "\u006e\u0075\u006c\u006c"};

// NewFlateEncoder makes a new flate encoder with default parameters, predictor 1 and bits per component 8.
func NewFlateEncoder ()*FlateEncoder {_dec :=&FlateEncoder {};_dec .Predictor =1;_dec .BitsPerComponent =8;_dec .Colors =1;_dec .Columns =1;return _dec ;};

// EncodeStream encodes the stream data using the encoded specified by the stream's dictionary.
func EncodeStream (streamObj *PdfObjectStream )error {_beff .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0020\u0073\u0074\u0072\u0065\u0061\u006d");_egcc ,_cccf :=NewEncoderFromStream (streamObj );if _cccf !=nil {_beff .Log .Debug ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0065\u0063\u006fd\u0069\u006e\u0067\u0020\u0066\u0061\u0069\u006c\u0065\u0064:\u0020\u0025\u0076",_cccf );
return _cccf ;};if _adbae ,_cdabb :=_egcc .(*LZWEncoder );_cdabb {_adbae .EarlyChange =0;streamObj .PdfObjectDictionary .Set ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065",MakeInteger (0));};_beff .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076\u000a",_egcc );
_bcbeg ,_cccf :=_egcc .EncodeBytes (streamObj .Stream );if _cccf !=nil {_beff .Log .Debug ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0065\u006e\u0063\u006fd\u0069\u006e\u0067\u0020\u0066\u0061\u0069\u006c\u0065\u0064:\u0020\u0025\u0076",_cccf );return _cccf ;
};streamObj .Stream =_bcbeg ;streamObj .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_bcbeg ))));return nil ;};

// MakeStringFromBytes creates an PdfObjectString from a byte array.
// This is more natural than MakeString as `data` is usually not utf-8 encoded.
func MakeStringFromBytes (data []byte )*PdfObjectString {return MakeString (string (data ))};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_gfgg *RawEncoder )MakeDecodeParams ()PdfObject {return nil };func _eaffb (_cbgf ,_bbce ,_edea uint8 )uint8 {_cfec :=int (_edea );_eabgf :=int (_bbce )-_cfec ;_efdf :=int (_cbgf )-_cfec ;_cfec =_fgcc (_eabgf +_efdf );_eabgf =_fgcc (_eabgf );_efdf =_fgcc (_efdf );
if _eabgf <=_efdf &&_eabgf <=_cfec {return _cbgf ;}else if _efdf <=_cfec {return _bbce ;};return _edea ;};func _febf (_dfg *_cd .StdEncryptDict ,_dfbb *PdfObjectDictionary ){_dfbb .Set ("\u0052",MakeInteger (int64 (_dfg .R )));_dfbb .Set ("\u0050",MakeInteger (int64 (_dfg .P )));
_dfbb .Set ("\u004f",MakeStringFromBytes (_dfg .O ));_dfbb .Set ("\u0055",MakeStringFromBytes (_dfg .U ));if _dfg .R >=5{_dfbb .Set ("\u004f\u0045",MakeStringFromBytes (_dfg .OE ));_dfbb .Set ("\u0055\u0045",MakeStringFromBytes (_dfg .UE ));_dfbb .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_dfg .EncryptMetadata ));
if _dfg .R > 5{_dfbb .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_dfg .Perms ));};};};const _bbda =32<<(^uint (0)>>63);

// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_gbfa *PdfCrypt )GetAccessPermissions ()_cd .Permissions {return _gbfa ._gggd .P };

// GetIntVal returns the int value represented by the PdfObject directly or indirectly if contained within an
// indirect object. On type mismatch the found bool flag returned is false and a nil pointer is returned.
func GetIntVal (obj PdfObject )(_beef int ,_dbbag bool ){_degg ,_dbbag :=TraceToDirectObject (obj ).(*PdfObjectInteger );if _dbbag &&_degg !=nil {return int (*_degg ),true ;};return 0,false ;};

// NewParser creates a new parser for a PDF file via ReadSeeker. Loads the cross reference stream and trailer.
// An error is returned on failure.
func NewParser (rs _ac .ReadSeeker )(*PdfParser ,error ){_cbfe :=&PdfParser {_bbba :rs ,ObjCache :make (objectCache ),_gedf :map[int64 ]bool {}};_bbeeg ,_dfcef ,_fdaa :=_cbfe .parsePdfVersion ();if _fdaa !=nil {_beff .Log .Error ("U\u006e\u0061\u0062\u006c\u0065\u0020t\u006f\u0020\u0070\u0061\u0072\u0073\u0065\u0020\u0076e\u0072\u0073\u0069o\u006e:\u0020\u0025\u0076",_fdaa );
return nil ,_fdaa ;};_cbfe ._bgbd .Major =_bbeeg ;_cbfe ._bgbd .Minor =_dfcef ;if _cbfe ._dafb ,_fdaa =_cbfe .loadXrefs ();_fdaa !=nil {_beff .Log .Debug ("\u0045\u0052RO\u0052\u003a\u0020F\u0061\u0069\u006c\u0065d t\u006f l\u006f\u0061\u0064\u0020\u0078\u0072\u0065f \u0074\u0061\u0062\u006c\u0065\u0021\u0020%\u0073",_fdaa );
return nil ,_fdaa ;};_beff .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_cbfe ._dafb );if len (_cbfe ._bedf .ObjectMap )==0{return nil ,_cb .Errorf ("\u0065\u006d\u0070\u0074\u0079\u0020\u0058\u0052\u0045\u0046\u0020t\u0061\u0062\u006c\u0065\u0020\u002d\u0020\u0049\u006e\u0076a\u006c\u0069\u0064");
};return _cbfe ,nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set and the DecodeParms.
func (_fgaag *FlateEncoder )MakeStreamDict ()*PdfObjectDictionary {_ffc :=MakeDict ();_ffc .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_fgaag .GetFilterName ()));_gac :=_fgaag .MakeDecodeParams ();if _gac !=nil {_ffc .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_gac );
};return _ffc ;};

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_cadd *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _ecdc []byte ;_beff .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_adc :=0;_cgcag :=false ;for _adc < len (encoded )&&!_cgcag {_eccd :=[5]byte {0,0,0,0,0};
_fabb :=0;_ebff :=0;_gebg :=4;for _ebff < 5+_fabb {if _adc +_ebff ==len (encoded ){break ;};_fcfb :=encoded [_adc +_ebff ];if IsWhiteSpace (_fcfb ){_fabb ++;_ebff ++;continue ;}else if _fcfb =='~'&&_adc +_ebff +1< len (encoded )&&encoded [_adc +_ebff +1]=='>'{_gebg =(_ebff -_fabb )-1;
if _gebg < 0{_gebg =0;};_cgcag =true ;break ;}else if _fcfb >='!'&&_fcfb <='u'{_fcfb -='!';}else if _fcfb =='z'&&_ebff -_fabb ==0{_gebg =4;_ebff ++;break ;}else {_beff .Log .Error ("\u0046\u0061i\u006c\u0065\u0064\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u002c\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020co\u0064\u0065");
return nil ,_cf .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_eccd [_ebff -_fabb ]=_fcfb ;_ebff ++;};_adc +=_ebff ;for _cefg :=_gebg +1;_cefg < 5;_cefg ++{_eccd [_cefg ]=84;
};_cfgbc :=uint32 (_eccd [0])*85*85*85*85+uint32 (_eccd [1])*85*85*85+uint32 (_eccd [2])*85*85+uint32 (_eccd [3])*85+uint32 (_eccd [4]);_dgbe :=[]byte {byte ((_cfgbc >>24)&0xff),byte ((_cfgbc >>16)&0xff),byte ((_cfgbc >>8)&0xff),byte (_cfgbc &0xff)};_ecdc =append (_ecdc ,_dgbe [:_gebg ]...);
};_beff .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_beff .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_ecdc );
return _ecdc ,nil ;};func (_fbdd *PdfCrypt )securityHandler ()_cd .StdHandler {if _fbdd ._gggd .R >=5{return _cd .NewHandlerR6 ();};return _cd .NewHandlerR4 (_fbdd ._gca ,_fbdd ._dfb .Length );};

// MakeStreamDict make a new instance of an encoding dictionary for a stream object.
func (_ecca *ASCII85Encoder )MakeStreamDict ()*PdfObjectDictionary {_cabga :=MakeDict ();_cabga .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_ecca .GetFilterName ()));return _cabga ;};

// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_cbec *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _fggd _dc .Buffer ;_cge :=_dc .NewReader (encoded );var _bafd _ac .ReadCloser ;if _cbec .EarlyChange ==1{_bafd =_bef .NewReader (_cge ,_bef .MSB ,8);}else {_bafd =_aa .NewReader (_cge ,_aa .MSB ,8);
};defer _bafd .Close ();if _ ,_faad :=_fggd .ReadFrom (_bafd );_faad !=nil {if _faad !=_ac .ErrUnexpectedEOF ||_fggd .Len ()==0{return nil ,_faad ;};_beff .Log .Debug ("\u0057\u0041\u0052\u004e\u003a\u0020\u004c\u005a\u0057\u0020\u0064\u0065\u0063\u006f\u0064i\u006e\u0067\u0020\u0065\u0072\u0072\u006f\u0072\u003a\u0020\u0025\u0076\u002e \u004f\u0075\u0074\u0070\u0075\u0074\u0020\u006d\u0061\u0079\u0020\u0062e \u0069\u006e\u0063\u006f\u0072\u0072\u0065\u0063\u0074\u002e",_faad );
};return _fggd .Bytes (),nil ;};

// GetDict returns the *PdfObjectDictionary represented by the PdfObject directly or indirectly within an indirect
// object. On type mismatch the found bool flag is false and a nil pointer is returned.
func GetDict (obj PdfObject )(_cdcg *PdfObjectDictionary ,_cbdge bool ){_cdcg ,_cbdge =TraceToDirectObject (obj ).(*PdfObjectDictionary );return _cdcg ,_cbdge ;};

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_aebg []float64 ,_ffae error ){for _ ,_bcff :=range objects {_fbdf ,_eddc :=GetNumberAsFloat (_bcff );if _eddc !=nil {return nil ,_eddc ;};_aebg =append (_aebg ,_fbdf );};return _aebg ,nil ;};var _cdcb =_af .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");


// UpdateParams updates the parameter values of the encoder.
func (_ace *ASCII85Encoder )UpdateParams (params *PdfObjectDictionary ){};

// UpdateParams updates the parameter values of the encoder.
func (_adeb *MultiEncoder )UpdateParams (params *PdfObjectDictionary ){for _ ,_cacf :=range _adeb ._fgfc {_cacf .UpdateParams (params );};};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_abab *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _abab .Predictor !=1&&_abab .Predictor !=11{_beff .Log .Debug ("E\u006e\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0065\u0072\u0072\u006f\u0072\u003a\u0020\u0046\u006c\u0061\u0074\u0065\u0045\u006e\u0063\u006f\u0064\u0065r\u0020P\u0072\u0065\u0064\u0069c\u0074\u006fr\u0020\u003d\u0020\u0031\u002c\u0020\u0031\u0031\u0020\u006f\u006e\u006c\u0079\u0020\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064");
return nil ,ErrUnsupportedEncodingParameters ;};if _abab .Predictor ==11{_dbd :=_abab .Columns ;_gcab :=len (data )/_dbd ;if len (data )%_dbd !=0{_beff .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_cf .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_ccca :=_dc .NewBuffer (nil );_fffe :=make ([]byte ,_dbd );for _add :=0;_add < _gcab ;_add ++{_bggd :=data [_dbd *_add :_dbd *(_add +1)];
_fffe [0]=_bggd [0];for _bgff :=1;_bgff < _dbd ;_bgff ++{_fffe [_bgff ]=byte (int (_bggd [_bgff ]-_bggd [_bgff -1])%256);};_ccca .WriteByte (1);_ccca .Write (_fffe );};data =_ccca .Bytes ();};var _ceff _dc .Buffer ;_dbfb :=_g .NewWriter (&_ceff );_dbfb .Write (data );
_dbfb .Close ();return _ceff .Bytes (),nil ;};

// MultiEncoder supports serial encoding.
type MultiEncoder struct{_fgfc []StreamEncoder };

// UpdateParams updates the parameter values of the encoder.
func (_caed *LZWEncoder )UpdateParams (params *PdfObjectDictionary ){_eec ,_bgcd :=GetNumberAsInt64 (params .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr"));if _bgcd ==nil {_caed .Predictor =int (_eec );};_abbf ,_bgcd :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));
if _bgcd ==nil {_caed .BitsPerComponent =int (_abbf );};_eebc ,_bgcd :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));if _bgcd ==nil {_caed .Columns =int (_eebc );};_dcbg ,_bgcd :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));
if _bgcd ==nil {_caed .Colors =int (_dcbg );};_befff ,_bgcd :=GetNumberAsInt64 (params .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));if _bgcd ==nil {_caed .EarlyChange =int (_befff );};};

// PdfVersion returns version of the PDF file.
func (_cdaa *PdfParser )PdfVersion ()Version {return _cdaa ._bgbd };

// GetObjectNums returns a sorted list of object numbers of the PDF objects in the file.
func (_aagb *PdfParser )GetObjectNums ()[]int {var _afdc []int ;for _ ,_cebe :=range _aagb ._bedf .ObjectMap {_afdc =append (_afdc ,_cebe .ObjectNumber );};_a .Ints (_afdc );return _afdc ;};

// DecodeBytes returns the passed in slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_afa *RawEncoder )DecodeBytes (encoded []byte )([]byte ,error ){return encoded ,nil };

// ParseIndirectObject parses an indirect object from the input stream. Can also be an object stream.
// Returns the indirect object (*PdfIndirectObject) or the stream object (*PdfObjectStream).
func (_efcb *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_gdbc :=PdfIndirectObject {};_gdbc ._fedeg =_efcb ;_beff .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_ceef ,_ffbff :=_efcb ._dbac .Peek (20);
if _ffbff !=nil {if _ffbff !=_ac .EOF {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0046\u0061\u0069\u006c\u0020\u0074\u006f\u0020r\u0065a\u0064\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a");return &_gdbc ,_ffbff ;
};};_beff .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_ceef ));_gcbf :=_gegf .FindStringSubmatchIndex (string (_ceef ));if len (_gcbf )< 6{if _ffbff ==_ac .EOF {return nil ,_ffbff ;
};_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020U\u006e\u0061\u0062l\u0065\u0020\u0074\u006f \u0066\u0069\u006e\u0064\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0073\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065\u0020\u0028\u0025\u0073\u0029",string (_ceef ));
return &_gdbc ,_cf .New ("\u0075\u006e\u0061b\u006c\u0065\u0020\u0074\u006f\u0020\u0064\u0065\u0074\u0065\u0063\u0074\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020s\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065");
};_efcb ._dbac .Discard (_gcbf [0]);_beff .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_gcbf );_feeg :=_gcbf [1]-_gcbf [0];_dded :=make ([]byte ,_feeg );_ ,_ffbff =_efcb .ReadAtLeast (_dded ,_feeg );if _ffbff !=nil {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0075\u006e\u0061\u0062l\u0065\u0020\u0074\u006f\u0020\u0072\u0065\u0061\u0064\u0020-\u0020\u0025\u0073",_ffbff );
return nil ,_ffbff ;};_beff .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_dded );_bbae :=_gegf .FindStringSubmatch (string (_dded ));if len (_bbae )< 3{_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020U\u006e\u0061\u0062l\u0065\u0020\u0074\u006f \u0066\u0069\u006e\u0064\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0073\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065\u0020\u0028\u0025\u0073\u0029",string (_dded ));
return &_gdbc ,_cf .New ("\u0075\u006e\u0061b\u006c\u0065\u0020\u0074\u006f\u0020\u0064\u0065\u0074\u0065\u0063\u0074\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020s\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065");
};_aega ,_ :=_b .Atoi (_bbae [1]);_aadd ,_ :=_b .Atoi (_bbae [2]);_gdbc .ObjectNumber =int64 (_aega );_gdbc .GenerationNumber =int64 (_aadd );for {_bbbd ,_fggc :=_efcb ._dbac .Peek (2);if _fggc !=nil {return &_gdbc ,_fggc ;};_beff .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_bbbd ),string (_bbbd ));
if IsWhiteSpace (_bbbd [0]){_efcb .skipSpaces ();}else if _bbbd [0]=='%'{_efcb .skipComments ();}else if (_bbbd [0]=='<')&&(_bbbd [1]=='<'){_beff .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_gdbc .PdfObject ,_fggc =_efcb .ParseDict ();
_beff .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_fggc );if _fggc !=nil {return &_gdbc ,_fggc ;};_beff .Log .Trace ("\u0050\u0061\u0072\u0073\u0065\u0064\u0020\u0064\u0069\u0063t\u0069\u006f\u006e\u0061\u0072\u0079\u002e.\u002e\u0020\u0066\u0069\u006e\u0069\u0073\u0068\u0065\u0064\u002e");
}else if (_bbbd [0]=='/')||(_bbbd [0]=='(')||(_bbbd [0]=='[')||(_bbbd [0]=='<'){_gdbc .PdfObject ,_fggc =_efcb .parseObject ();if _fggc !=nil {return &_gdbc ,_fggc ;};_beff .Log .Trace ("P\u0061\u0072\u0073\u0065\u0064\u0020o\u0062\u006a\u0065\u0063\u0074\u0020\u002e\u002e\u002e \u0066\u0069\u006ei\u0073h\u0065\u0064\u002e");
}else if _bbbd [0]==']'{_beff .Log .Debug ("\u0057\u0041\u0052\u004e\u0049N\u0047\u003a\u0020\u0027\u005d\u0027 \u0063\u0068\u0061\u0072\u0061\u0063\u0074e\u0072\u0020\u006eo\u0074\u0020\u0062\u0065i\u006e\u0067\u0020\u0075\u0073\u0065d\u0020\u0061\u0073\u0020\u0061\u006e\u0020\u0061\u0072\u0072\u0061\u0079\u0020\u0065\u006e\u0064\u0069n\u0067\u0020\u006d\u0061\u0072\u006b\u0065\u0072\u002e\u0020\u0053\u006b\u0069\u0070\u0070\u0069\u006e\u0067\u002e");
_efcb ._dbac .Discard (1);}else {if _bbbd [0]=='e'{_egga ,_dggcc :=_efcb .readTextLine ();if _dggcc !=nil {return nil ,_dggcc ;};if len (_egga )>=6&&_egga [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _bbbd [0]=='s'{_bbbd ,_ =_efcb ._dbac .Peek (10);
if string (_bbbd [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_ecda :=6;if len (_bbbd )> 6{if IsWhiteSpace (_bbbd [_ecda ])&&_bbbd [_ecda ]!='\r'&&_bbbd [_ecda ]!='\n'{_beff .Log .Debug ("\u004e\u006fn\u002d\u0063\u006f\u006e\u0066\u006f\u0072\u006d\u0061\u006e\u0074\u0020\u0050\u0044\u0046\u0020\u006e\u006f\u0074 \u0065\u006e\u0064\u0069\u006e\u0067 \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0069\u006e\u0065\u0020\u0070\u0072o\u0070\u0065r\u006c\u0079\u0020\u0077i\u0074\u0068\u0020\u0045\u004fL\u0020\u006d\u0061\u0072\u006b\u0065\u0072");
_ecda ++;};if _bbbd [_ecda ]=='\r'{_ecda ++;if _bbbd [_ecda ]=='\n'{_ecda ++;};}else if _bbbd [_ecda ]=='\n'{_ecda ++;};};_efcb ._dbac .Discard (_ecda );_acfe ,_ffgc :=_gdbc .PdfObject .(*PdfObjectDictionary );if !_ffgc {return nil ,_cf .New ("\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u006di\u0073s\u0069\u006e\u0067\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079");
};_beff .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_acfe );_dgfa ,_cced :=_efcb .traceStreamLength (_acfe .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _cced !=nil {_beff .Log .Debug ("\u0046\u0061\u0069l\u0020\u0074\u006f\u0020t\u0072\u0061\u0063\u0065\u0020\u0073\u0074r\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u003a\u0020\u0025\u0076",_cced );
return nil ,_cced ;};_beff .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_dgfa );_dadf ,_gbfc :=_dgfa .(*PdfObjectInteger );if !_gbfc {return nil ,_cf .New ("\u0073\u0074re\u0061\u006d\u0020l\u0065\u006e\u0067\u0074h n\u0065ed\u0073\u0020\u0074\u006f\u0020\u0062\u0065 a\u006e\u0020\u0069\u006e\u0074\u0065\u0067e\u0072");
};_beeg :=*_dadf ;if _beeg < 0{return nil ,_cf .New ("\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006e\u0065\u0065\u0064\u0073\u0020\u0074\u006f \u0062e\u0020\u006c\u006f\u006e\u0067\u0065\u0072\u0020\u0074\u0068\u0061\u006e\u0020\u0030");};_fbab :=_efcb .GetFileOffset ();
_fddc :=_efcb .xrefNextObjectOffset (_fbab );if _fbab +int64 (_beeg )> _fddc &&_fddc > _fbab {_beff .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_fbab +int64 (_beeg ));_beff .Log .Debug ("\u004e\u0065\u0078\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0061\u0072\u0074\u0069\u006e\u0067\u0020\u0061t\u0020\u0025\u0064",_fddc );
_cege :=_fddc -_fbab -17;if _cege < 0{return nil ,_cf .New ("\u0069n\u0076\u0061l\u0069\u0064\u0020\u0073t\u0072\u0065\u0061m\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u002c\u0020go\u0069\u006e\u0067 \u0070\u0061s\u0074\u0020\u0062\u006f\u0075\u006ed\u0061\u0072i\u0065\u0073");
};_beff .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0061\u0020l\u0065\u006e\u0067\u0074\u0068\u0020c\u006f\u0072\u0072\u0065\u0063\u0074\u0069\u006f\u006e\u0020\u0074\u006f\u0020%\u0064\u002e\u002e\u002e",_cege );_beeg =PdfObjectInteger (_cege );
_acfe .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_cege ));};if int64 (_beeg )> _efcb ._egce {_beff .Log .Debug ("\u0045\u0052R\u004f\u0052\u003a\u0020\u0053t\u0072\u0065\u0061\u006d\u0020l\u0065\u006e\u0067\u0074\u0068\u0020\u0063\u0061\u006e\u006e\u006f\u0074\u0020\u0062\u0065\u0020\u006c\u0061\u0072\u0067\u0065\u0072\u0020\u0074\u0068\u0061\u006e\u0020\u0066\u0069\u006c\u0065\u0020\u0073\u0069\u007a\u0065");
return nil ,_cf .New ("\u0069n\u0076\u0061l\u0069\u0064\u0020\u0073t\u0072\u0065\u0061m\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u002c\u0020la\u0072\u0067\u0065r\u0020\u0074h\u0061\u006e\u0020\u0066\u0069\u006ce\u0020\u0073i\u007a\u0065");};_fdag :=make ([]byte ,_beeg );
_ ,_cced =_efcb .ReadAtLeast (_fdag ,int (_beeg ));if _cced !=nil {_beff .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_fdag ),_fdag );_beff .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_cced );
return nil ,_cced ;};_gecc :=PdfObjectStream {};_gecc .Stream =_fdag ;_gecc .PdfObjectDictionary =_gdbc .PdfObject .(*PdfObjectDictionary );_gecc .ObjectNumber =_gdbc .ObjectNumber ;_gecc .GenerationNumber =_gdbc .GenerationNumber ;_gecc .PdfObjectReference ._fedeg =_efcb ;
_efcb .skipSpaces ();_efcb ._dbac .Discard (9);_efcb .skipSpaces ();return &_gecc ,nil ;};};_gdbc .PdfObject ,_fggc =_efcb .parseObject ();if _gdbc .PdfObject ==nil {_beff .Log .Debug ("\u0049N\u0043\u004f\u004dP\u0041\u0054\u0049B\u0049LI\u0054\u0059\u003a\u0020\u0049\u006e\u0064i\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u006e\u006f\u0074\u0020\u0063\u006f\u006e\u0074\u0061\u0069\u006e\u0069\u006e\u0067\u0020\u0061n \u006fb\u006a\u0065\u0063\u0074\u0020\u002d \u0061\u0073\u0073\u0075\u006di\u006e\u0067\u0020\u006e\u0075\u006c\u006c\u0020\u006f\u0062\u006ae\u0063\u0074");
_gdbc .PdfObject =MakeNull ();};return &_gdbc ,_fggc ;};};if _gdbc .PdfObject ==nil {_beff .Log .Debug ("\u0049N\u0043\u004f\u004dP\u0041\u0054\u0049B\u0049LI\u0054\u0059\u003a\u0020\u0049\u006e\u0064i\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u006e\u006f\u0074\u0020\u0063\u006f\u006e\u0074\u0061\u0069\u006e\u0069\u006e\u0067\u0020\u0061n \u006fb\u006a\u0065\u0063\u0074\u0020\u002d \u0061\u0073\u0073\u0075\u006di\u006e\u0067\u0020\u006e\u0075\u006c\u006c\u0020\u006f\u0062\u006ae\u0063\u0074");
_gdbc .PdfObject =MakeNull ();};_beff .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_gdbc ,nil ;};

// String returns a string describing `streams`.
func (_fffda *PdfObjectStreams )String ()string {return _cb .Sprintf ("\u004f\u0062j\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0025\u0064",_fffda .ObjectNumber );};func (_cdgd *FlateEncoder )postDecodePredict (_daea []byte )([]byte ,error ){if _cdgd .Predictor > 1{if _cdgd .Predictor ==2{_beff .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_beff .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_cdgd .Colors );_gfac :=_cdgd .Columns *_cdgd .Colors ;if _gfac < 1{return []byte {},nil ;};_bdc :=len (_daea )/_gfac ;if len (_daea )%_gfac !=0{_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020T\u0049\u0046\u0046 \u0065\u006e\u0063\u006fd\u0069\u006e\u0067\u003a\u0020\u0049\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u002e\u002e\u002e");
return nil ,_cb .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077 \u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064/\u0025\u0064\u0029",len (_daea ),_gfac );};if _gfac %_cdgd .Colors !=0{return nil ,_cb .Errorf ("\u0069\u006ev\u0061\u006c\u0069\u0064 \u0072\u006fw\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u0020(\u0025\u0064\u0029\u0020\u0066\u006f\u0072\u0020\u0063\u006f\u006c\u006fr\u0073\u0020\u0025\u0064",_gfac ,_cdgd .Colors );
};if _gfac > len (_daea ){_beff .Log .Debug ("\u0052\u006fw\u0020\u006c\u0065\u006e\u0067t\u0068\u0020\u0063\u0061\u006en\u006f\u0074\u0020\u0062\u0065\u0020\u006c\u006f\u006e\u0067\u0065\u0072\u0020\u0074\u0068\u0061\u006e\u0020\u0064\u0061\u0074\u0061\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064\u002f\u0025\u0064\u0029",_gfac ,len (_daea ));
return nil ,_cf .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_beff .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_daea ),_daea );
_bde :=_dc .NewBuffer (nil );for _fbdb :=0;_fbdb < _bdc ;_fbdb ++{_abg :=_daea [_gfac *_fbdb :_gfac *(_fbdb +1)];for _dgdf :=_cdgd .Colors ;_dgdf < _gfac ;_dgdf ++{_abg [_dgdf ]+=_abg [_dgdf -_cdgd .Colors ];};_bde .Write (_abg );};_bbcd :=_bde .Bytes ();
_beff .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_bbcd ),_bbcd );return _bbcd ,nil ;}else if _cdgd .Predictor >=10&&_cdgd .Predictor <=15{_beff .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_ffgf :=_cdgd .Columns *_cdgd .Colors +1;_dabg :=len (_daea )/_ffgf ;if len (_daea )%_ffgf !=0{return nil ,_cb .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077 \u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064/\u0025\u0064\u0029",len (_daea ),_ffgf );
};if _ffgf > len (_daea ){_beff .Log .Debug ("\u0052\u006fw\u0020\u006c\u0065\u006e\u0067t\u0068\u0020\u0063\u0061\u006en\u006f\u0074\u0020\u0062\u0065\u0020\u006c\u006f\u006e\u0067\u0065\u0072\u0020\u0074\u0068\u0061\u006e\u0020\u0064\u0061\u0074\u0061\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064\u002f\u0025\u0064\u0029",_ffgf ,len (_daea ));
return nil ,_cf .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_feec :=_dc .NewBuffer (nil );_beff .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_cdgd .Columns );
_beff .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_daea ),_ffgf ,_dabg );_acag :=make ([]byte ,_ffgf );for _abag :=0;_abag < _ffgf ;_abag ++{_acag [_abag ]=0;
};_effa :=_cdgd .Colors ;for _gcff :=0;_gcff < _dabg ;_gcff ++{_afc :=_daea [_ffgf *_gcff :_ffgf *(_gcff +1)];_fgbg :=_afc [0];switch _fgbg {case _eac :case _gbc :for _ccdf :=1+_effa ;_ccdf < _ffgf ;_ccdf ++{_afc [_ccdf ]+=_afc [_ccdf -_effa ];};case _gfbb :for _eaff :=1;
_eaff < _ffgf ;_eaff ++{_afc [_eaff ]+=_acag [_eaff ];};case _caad :for _bdfe :=1;_bdfe < _effa +1;_bdfe ++{_afc [_bdfe ]+=_acag [_bdfe ]/2;};for _caab :=_effa +1;_caab < _ffgf ;_caab ++{_afc [_caab ]+=byte ((int (_afc [_caab -_effa ])+int (_acag [_caab ]))/2);
};case _gaed :for _gab :=1;_gab < _ffgf ;_gab ++{var _gcgf ,_bcac ,_cgca byte ;_bcac =_acag [_gab ];if _gab >=_effa +1{_gcgf =_afc [_gab -_effa ];_cgca =_acag [_gab -_effa ];};_afc [_gab ]+=_eaffb (_gcgf ,_bcac ,_cgca );};default:_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0049\u006e\u0076\u0061\u006c\u0069d\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029\u0020\u0040\u0072o\u0077\u0020\u0025\u0064",_fgbg ,_gcff );
return nil ,_cb .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_fgbg );};copy (_acag ,_afc );_feec .Write (_afc [1:]);};_fbfd :=_feec .Bytes ();return _fbfd ,nil ;
}else {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a \u0055\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072 \u0028\u0025\u0064\u0029",_cdgd .Predictor );return nil ,_cb .Errorf ("\u0075\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0070\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020(\u0025\u0064\u0029",_cdgd .Predictor );
};};return _daea ,nil ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_fcba *JPXEncoder )MakeDecodeParams ()PdfObject {return nil };func (_bfcf *PdfCrypt )isDecrypted (_dafd PdfObject )bool {_ ,_cad :=_bfcf ._ceb [_dafd ];if _cad {_beff .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};switch _feef :=_dafd .(type ){case *PdfObjectStream :if _bfcf ._gggd .R !=5{if _fdaf ,_bee :=_feef .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_bee &&*_fdaf =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_cad =_bfcf ._baba [int (_feef .ObjectNumber )];
_cad {return true ;};switch _cec :=_feef .PdfObject .(type ){case *PdfObjectDictionary :_edb :=true ;for _ ,_bae :=range _faf {if _cec .Get (_bae )==nil {_edb =false ;break ;};};if _edb {return true ;};};};_beff .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};func (_afe *PdfCrypt )makeKey (_gfd string ,_dgbc ,_gfef uint32 ,_fa []byte )([]byte ,error ){_daf ,_gafa :=_afe ._ab [_gfd ];if !_gafa {return nil ,_cb .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_gfd );
};return _daf .MakeKey (_dgbc ,_gfef ,_fa );};

// NewMultiEncoder returns a new instance of MultiEncoder.
func NewMultiEncoder ()*MultiEncoder {_cgee :=MultiEncoder {};_cgee ._fgfc =[]StreamEncoder {};return &_cgee ;};

// IsPrintable checks if a character is printable.
// Regular characters that are outside the range EXCLAMATION MARK(21h)
// (!) to TILDE (7Eh) (~) should be written using the hexadecimal notation.
func IsPrintable (c byte )bool {return 0x21<=c &&c <=0x7E};

// JBIG2EncoderSettings contains the parameters and settings used by the JBIG2Encoder.
// Current version works only on JB2Generic compression.
type JBIG2EncoderSettings struct{

// FileMode defines if the jbig2 encoder should return full jbig2 file instead of
// shortened pdf mode. This adds the file header to the jbig2 definition.
FileMode bool ;

// Compression is the setting that defines the compression type used for encoding the page.
Compression JBIG2CompressionType ;

// DuplicatedLinesRemoval code generic region in a way such that if the lines are duplicated the encoder
// doesn't store it twice.
DuplicatedLinesRemoval bool ;

// DefaultPixelValue is the bit value initial for every pixel in the page.
DefaultPixelValue uint8 ;

// ResolutionX optional setting that defines the 'x' axis input image resolution - used for single page encoding.
ResolutionX int ;

// ResolutionY optional setting that defines the 'y' axis input image resolution - used for single page encoding.
ResolutionY int ;

// Threshold defines the threshold of the image correlation for
// non Generic compression.
// User only for JB2SymbolCorrelation and JB2SymbolRankHaus methods.
// Best results in range [0.7 - 0.98] - the less the better the compression would be
// but the more lossy.
// Default value: 0.95
Threshold float64 ;};

// Set sets the PdfObject at index i of the array. An error is returned if the index is outside bounds.
func (_acde *PdfObjectArray )Set (i int ,obj PdfObject )error {if i < 0||i >=len (_acde ._dcfe ){return _cf .New ("\u006f\u0075\u0074\u0073\u0069\u0064\u0065\u0020\u0062o\u0075\u006e\u0064\u0073");};_acde ._dcfe [i ]=obj ;return nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_faga *RunLengthEncoder )MakeStreamDict ()*PdfObjectDictionary {_cefe :=MakeDict ();_cefe .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_faga .GetFilterName ()));return _cefe ;};

// MakeHexString creates an PdfObjectString from a string intended for output as a hexadecimal string.
func MakeHexString (s string )*PdfObjectString {_cdaf :=PdfObjectString {_bdccf :s ,_bcbe :true };return &_cdaf ;};

// FlateEncoder represents Flate encoding.
type FlateEncoder struct{Predictor int ;BitsPerComponent int ;

// For predictors
Columns int ;Rows int ;Colors int ;_cga *_bf .ImageBase ;};

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_ddbb :=_dc .NewReader ([]byte (txt ));_dgdag :=&PdfParser {ObjCache :objectCache {},_bbba :_ddbb ,_dbac :_aab .NewReader (_ddbb ),_egce :int64 (len (txt )),_gedf :map[int64 ]bool {}};_dgdag ._bedf .ObjectMap =make (map[int ]XrefObject );
return _dgdag ;};func (_gbda *PdfObjectFloat )String ()string {return _cb .Sprintf ("\u0025\u0066",*_gbda )};

// GetNameVal returns the string value represented by the PdfObject directly or indirectly if
// contained within an indirect object. On type mismatch the found bool flag returned is false and
// an empty string is returned.
func GetNameVal (obj PdfObject )(_gaee string ,_fbda bool ){_edeb ,_fbda :=TraceToDirectObject (obj ).(*PdfObjectName );if _fbda {return string (*_edeb ),true ;};return ;};const _efb =10;var _gffc =_af .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");


// NewJPXEncoder returns a new instance of JPXEncoder.
func NewJPXEncoder ()*JPXEncoder {return &JPXEncoder {}};

// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_bb .Model ;Bounds ()_be .Rectangle ;At (_baa ,_bgcg int )_bb .Color ;Set (_fdff ,_edgc int ,_efdd _bb .Color );};

// MakeArrayFromIntegers creates an PdfObjectArray from a slice of ints, where each array element is
// an PdfObjectInteger.
func MakeArrayFromIntegers (vals []int )*PdfObjectArray {_ecfd :=MakeArray ();for _ ,_ffcg :=range vals {_ecfd .Append (MakeInteger (int64 (_ffcg )));};return _ecfd ;};

// Set sets the dictionary's key -> val mapping entry. Overwrites if key already set.
func (_cbfee *PdfObjectDictionary )Set (key PdfObjectName ,val PdfObject ){_ ,_deeac :=_cbfee ._fcaa [key ];if !_deeac {_cbfee ._ebdd =append (_cbfee ._ebdd ,key );};_cbfee ._fcaa [key ]=val ;};func (_ebffb *PdfParser )xrefNextObjectOffset (_dbfgb int64 )int64 {_cece :=int64 (0);
if len (_ebffb ._bedf .ObjectMap )==0{return 0;};if len (_ebffb ._bedf ._bd )==0{_cccaa :=0;for _ ,_afda :=range _ebffb ._bedf .ObjectMap {if _afda .Offset > 0{_cccaa ++;};};if _cccaa ==0{return 0;};_ebffb ._bedf ._bd =make ([]XrefObject ,_cccaa );_cfdf :=0;
for _ ,_cedca :=range _ebffb ._bedf .ObjectMap {if _cedca .Offset > 0{_ebffb ._bedf ._bd [_cfdf ]=_cedca ;_cfdf ++;};};_a .Slice (_ebffb ._bedf ._bd ,func (_gfacg ,_gdde int )bool {return _ebffb ._bedf ._bd [_gfacg ].Offset < _ebffb ._bedf ._bd [_gdde ].Offset });
};_fbfdd :=_a .Search (len (_ebffb ._bedf ._bd ),func (_bcee int )bool {return _ebffb ._bedf ._bd [_bcee ].Offset >=_dbfgb });if _fbfdd < len (_ebffb ._bedf ._bd ){_cece =_ebffb ._bedf ._bd [_fbfdd ].Offset ;};return _cece ;};

// IsFloatDigit checks if a character can be a part of a float number string.
func IsFloatDigit (c byte )bool {return ('0'<=c &&c <='9')||c =='.'};

// GetXrefOffset returns the offset of the xref table.
func (_fegb *PdfParser )GetXrefOffset ()int64 {return _fegb ._dgafg };func _acfff (_faaf PdfObject ,_gcaae int )PdfObject {if _gcaae > _efb {_beff .Log .Error ("\u0054\u0072ac\u0065\u0020\u0064e\u0070\u0074\u0068\u0020lev\u0065l \u0062\u0065\u0079\u006f\u006e\u0064\u0020%d\u0020\u002d\u0020\u0065\u0072\u0072\u006fr\u0021",_efb );
return MakeNull ();};switch _cfafe :=_faaf .(type ){case *PdfIndirectObject :_faaf =_acfff ((*_cfafe ).PdfObject ,_gcaae +1);case *PdfObjectArray :for _cbfd ,_cegfc :=range (*_cfafe )._dcfe {(*_cfafe )._dcfe [_cbfd ]=_acfff (_cegfc ,_gcaae +1);};case *PdfObjectDictionary :for _bcad ,_ddec :=range (*_cfafe )._fcaa {(*_cfafe )._fcaa [_bcad ]=_acfff (_ddec ,_gcaae +1);
};_a .Slice ((*_cfafe )._ebdd ,func (_eeed ,_bbgd int )bool {return (*_cfafe )._ebdd [_eeed ]< (*_cfafe )._ebdd [_bbgd ]});};return _faaf ;};

// String returns a string describing `ind`.
func (_baag *PdfIndirectObject )String ()string {return _cb .Sprintf ("\u0049\u004f\u0062\u006a\u0065\u0063\u0074\u003a\u0025\u0064",(*_baag ).ObjectNumber );};func (_aedcc *PdfParser )parseHexString ()(*PdfObjectString ,error ){_aedcc ._dbac .ReadByte ();
var _cecf _dc .Buffer ;for {_ddfab ,_fffgb :=_aedcc ._dbac .Peek (1);if _fffgb !=nil {return MakeString (""),_fffgb ;};if _ddfab [0]=='>'{_aedcc ._dbac .ReadByte ();break ;};_cfaf ,_ :=_aedcc ._dbac .ReadByte ();if !IsWhiteSpace (_cfaf ){_cecf .WriteByte (_cfaf );
};};if _cecf .Len ()%2==1{_cecf .WriteRune ('0');};_eefc ,_ :=_bg .DecodeString (_cecf .String ());return MakeHexString (string (_eefc )),nil ;};

// RawEncoder implements Raw encoder/decoder (no encoding, pass through)
type RawEncoder struct{};

// GetIndirect returns the *PdfIndirectObject represented by the PdfObject. On type mismatch the found bool flag is
// false and a nil pointer is returned.
func GetIndirect (obj PdfObject )(_fdfe *PdfIndirectObject ,_eedb bool ){obj =ResolveReference (obj );_fdfe ,_eedb =obj .(*PdfIndirectObject );return _fdfe ,_eedb ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_gdbf *ASCIIHexEncoder )MakeDecodeParams ()PdfObject {return nil };

// NewJBIG2Encoder creates a new JBIG2Encoder.
func NewJBIG2Encoder ()*JBIG2Encoder {return &JBIG2Encoder {_fegg :_fe .InitEncodeDocument (false )}};

// Version represents a version of a PDF standard.
type Version struct{Major int ;Minor int ;};

// DecodeStream decodes a DCT encoded stream and returns the result as a
// slice of bytes.
func (_eacc *DCTEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _eacc .DecodeBytes (streamObj .Stream );};

// Clear resets the array to an empty state.
func (_feeb *PdfObjectArray )Clear (){_feeb ._dcfe =[]PdfObject {}};

// Clear resets the dictionary to an empty state.
func (_babc *PdfObjectDictionary )Clear (){_babc ._ebdd =[]PdfObjectName {};_babc ._fcaa =map[PdfObjectName ]PdfObject {};};

// DecodeStream decodes a JBIG2 encoded stream and returns the result as a slice of bytes.
func (_abbe *JBIG2Encoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _abbe .DecodeBytes (streamObj .Stream );};

// CheckAccessRights checks access rights and permissions for a specified password. If either user/owner password is
// specified, full rights are granted, otherwise the access rights are specified by the Permissions flag.
//
// The bool flag indicates that the user can access and view the file.
// The AccessPermissions shows what access the user has for editing etc.
// An error is returned if there was a problem performing the authentication.
func (_dcda *PdfParser )CheckAccessRights (password []byte )(bool ,_cd .Permissions ,error ){if _dcda ._eeef ==nil {return true ,_cd .PermOwner ,nil ;};return _dcda ._eeef .checkAccessRights (password );};

// MakeDecodeParams makes a new instance of an encoding dictionary based on the current encoder settings.
func (_cgbf *JBIG2Encoder )MakeDecodeParams ()PdfObject {return MakeDict ()};func _dbdc (_bddf ,_ggef PdfObject ,_dfae int )bool {if _dfae > _efb {_beff .Log .Error ("\u0054\u0072ac\u0065\u0020\u0064e\u0070\u0074\u0068\u0020lev\u0065l \u0062\u0065\u0079\u006f\u006e\u0064\u0020%d\u0020\u002d\u0020\u0065\u0072\u0072\u006fr\u0021",_efb );
return false ;};if _bddf ==nil &&_ggef ==nil {return true ;}else if _bddf ==nil ||_ggef ==nil {return false ;};if _f .TypeOf (_bddf )!=_f .TypeOf (_ggef ){return false ;};switch _cfaec :=_bddf .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_cfaec ==*(_ggef .(*PdfObjectName ));case *PdfObjectString :return *_cfaec ==*(_ggef .(*PdfObjectString ));case *PdfObjectInteger :return *_cfaec ==*(_ggef .(*PdfObjectInteger ));case *PdfObjectBool :return *_cfaec ==*(_ggef .(*PdfObjectBool ));
case *PdfObjectFloat :return *_cfaec ==*(_ggef .(*PdfObjectFloat ));case *PdfIndirectObject :return _dbdc (TraceToDirectObject (_bddf ),TraceToDirectObject (_ggef ),_dfae +1);case *PdfObjectArray :_eecf :=_ggef .(*PdfObjectArray );if len ((*_cfaec )._dcfe )!=len ((*_eecf )._dcfe ){return false ;
};for _agcdg ,_bfdd :=range (*_cfaec )._dcfe {if !_dbdc (_bfdd ,(*_eecf )._dcfe [_agcdg ],_dfae +1){return false ;};};return true ;case *PdfObjectDictionary :_fbec :=_ggef .(*PdfObjectDictionary );_dcae ,_baeb :=(*_cfaec )._fcaa ,(*_fbec )._fcaa ;if len (_dcae )!=len (_baeb ){return false ;
};for _gfge ,_aabf :=range _dcae {_dabcg ,_bgag :=_baeb [_gfge ];if !_bgag ||!_dbdc (_aabf ,_dabcg ,_dfae +1){return false ;};};return true ;case *PdfObjectStream :_fafe :=_ggef .(*PdfObjectStream );return _dbdc ((*_cfaec ).PdfObjectDictionary ,(*_fafe ).PdfObjectDictionary ,_dfae +1);
default:_beff .Log .Error ("\u0045\u0052R\u004f\u0052\u003a\u0020\u0055\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0074\u0079\u0070\u0065\u003a\u0020\u0025\u0054\u0020\u002d\u0020\u0073\u0068\u006f\u0075\u006c\u0064\u0020\u006e\u0065\u0076\u0065\u0072\u0020\u0068\u0061\u0070\u0070\u0065\u006e\u0021",_bddf );
};return false ;};func (_ebce *PdfParser )resolveReference (_gebaf *PdfObjectReference )(PdfObject ,bool ,error ){_gbgc ,_dcaf :=_ebce .ObjCache [int (_gebaf .ObjectNumber )];if _dcaf {return _gbgc ,true ,nil ;};_agada ,_gbgcb :=_ebce .LookupByReference (*_gebaf );
if _gbgcb !=nil {return nil ,false ,_gbgcb ;};_ebce .ObjCache [int (_gebaf .ObjectNumber )]=_agada ;return _agada ,false ,nil ;};

// IsNullObject returns true if `obj` is a PdfObjectNull.
func IsNullObject (obj PdfObject )bool {_ ,_fgba :=TraceToDirectObject (obj ).(*PdfObjectNull );return _fgba ;};type encryptDict struct{Filter string ;V int ;SubFilter string ;Length int ;StmF string ;StrF string ;EFF string ;CF map[string ]_de .FilterDict ;
};

// EqualObjects returns true if `obj1` and `obj2` have the same contents.
//
// NOTE: It is a good idea to flatten obj1 and obj2 with FlattenObject before calling this function
// so that contents, rather than references, can be compared.
func EqualObjects (obj1 ,obj2 PdfObject )bool {return _dbdc (obj1 ,obj2 ,0)};

// EncodeJBIG2Image encodes 'img' into jbig2 encoded bytes stream, using default encoder settings.
func (_eead *JBIG2Encoder )EncodeJBIG2Image (img *JBIG2Image )([]byte ,error ){const _dabgb ="c\u006f\u0072\u0065\u002eEn\u0063o\u0064\u0065\u004a\u0042\u0049G\u0032\u0049\u006d\u0061\u0067\u0065";if _egdc :=_eead .AddPageImage (img ,&_eead .DefaultPageSettings );
_egdc !=nil {return nil ,_bba .Wrap (_egdc ,_dabgb ,"");};return _eead .Encode ();};

// SetPredictor sets the predictor function.  Specify the number of columns per row.
// The columns indicates the number of samples per row.
// Used for grouping data together for compression.
func (_dcg *FlateEncoder )SetPredictor (columns int ){_dcg .Predictor =11;_dcg .Columns =columns };func (_gag *PdfParser )skipSpaces ()(int ,error ){_dgdc :=0;for {_cdea ,_bgdee :=_gag ._dbac .ReadByte ();if _bgdee !=nil {return 0,_bgdee ;};if IsWhiteSpace (_cdea ){_dgdc ++;
}else {_gag ._dbac .UnreadByte ();break ;};};return _dgdc ,nil ;};

// NewRawEncoder returns a new instace of RawEncoder.
func NewRawEncoder ()*RawEncoder {return &RawEncoder {}};func (_aac *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_fge :=MakeDict ();_fge .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));_fge .Set ("\u0056",MakeInteger (int64 (_aac ._dfb .V )));
_fge .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_aac ._dfb .Length )));return _fge ;};

// String returns a string describing `ref`.
func (_fbed *PdfObjectReference )String ()string {return _cb .Sprintf ("\u0052\u0065\u0066\u0028\u0025\u0064\u0020\u0025\u0064\u0029",_fbed .ObjectNumber ,_fbed .GenerationNumber );};func (_dbfc *PdfParser )inspect ()(map[string ]int ,error ){_beff .Log .Trace ("\u002d\u002d\u002d\u002d\u002d\u002d\u002d\u002d\u0049\u004e\u0053P\u0045\u0043\u0054\u0020\u002d\u002d\u002d\u002d\u002d\u002d-\u002d\u002d\u002d");
_beff .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_adag :=map[string ]int {};_cdgdd :=0;_abaab :=0;var _addf []int ;for _bggb :=range _dbfc ._bedf .ObjectMap {_addf =append (_addf ,_bggb );};_a .Ints (_addf );_fedg :=0;
for _ ,_dgbg :=range _addf {_aeddd :=_dbfc ._bedf .ObjectMap [_dgbg ];if _aeddd .ObjectNumber ==0{continue ;};_cdgdd ++;_beff .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_beff .Log .Trace ("\u004c\u006f\u006f\u006bi\u006e\u0067\u0020\u0075\u0070\u0020\u006f\u0062\u006a\u0065c\u0074 \u006e\u0075\u006d\u0062\u0065\u0072\u003a \u0025\u0064",_aeddd .ObjectNumber );
_dcba ,_decd :=_dbfc .LookupByNumber (_aeddd .ObjectNumber );if _decd !=nil {_beff .Log .Trace ("\u0045\u0052\u0052\u004f\u0052\u003a \u0046\u0061\u0069\u006c\u0020\u0074\u006f\u0020\u006c\u006f\u006f\u006b\u0075p\u0020\u006f\u0062\u006a\u0020\u0025\u0064 \u0028\u0025\u0073\u0029",_aeddd .ObjectNumber ,_decd );
_abaab ++;continue ;};_beff .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_dcba );_dgcab ,_dfgeaf :=_dcba .(*PdfIndirectObject );if _dfgeaf {_beff .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_aeddd .ObjectNumber ,_dgcab );
_ecddg ,_gabad :=_dgcab .PdfObject .(*PdfObjectDictionary );if _gabad {if _cdeb ,_dcgce :=_ecddg .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_dcgce {_faac :=string (*_cdeb );_beff .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_faac );
_ ,_aafbb :=_adag [_faac ];if _aafbb {_adag [_faac ]++;}else {_adag [_faac ]=1;};}else if _dbacg ,_gfbac :=_ecddg .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_gfbac {_cgfc :=string (*_dbacg );_beff .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_cgfc );
_ ,_dccg :=_adag [_cgfc ];if _dccg {_adag [_cgfc ]++;}else {_adag [_cgfc ]=1;};};if _fabea ,_ccdeb :=_ecddg .Get ("\u0053").(*PdfObjectName );_ccdeb &&*_fabea =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_bfbc :=_adag ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _bfbc {_adag ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_adag ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _gedb ,_aaab :=_dcba .(*PdfObjectStream );_aaab {if _eeee ,_ggfc :=_gedb .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_ggfc {_beff .Log .Trace ("\u002d\u002d\u003e\u0020\u0053\u0074\u0072\u0065\u0061\u006d\u0020o\u0062\u006a\u0065\u0063\u0074\u0020\u0074\u0079\u0070\u0065:\u0020\u0025\u0073",*_eeee );_baage :=string (*_eeee );_adag [_baage ]++;};}else {_ebdb ,_dcdae :=_dcba .(*PdfObjectDictionary );
if _dcdae {_ddda ,_ggcbg :=_ebdb .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _ggcbg {_dcdfg :=string (*_ddda );_beff .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_dcdfg );_adag [_dcdfg ]++;};
};_beff .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_aeddd .ObjectNumber ,_dcba );};_fedg ++;};_beff .Log .Trace ("\u002d\u002d\u002d\u002d\u002d\u002d\u002d\u002d\u0045\u004fF\u0020\u0049\u004e\u0053\u0050\u0045\u0043T\u0020\u002d\u002d\u002d\u002d\u002d\u002d\u002d\u002d\u002d\u002d");
_beff .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");_beff .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_cdgdd );_beff .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_abaab );
for _gaca ,_cagg :=range _adag {_beff .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_gaca ,_cagg );};_beff .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_dbfc ._bedf .ObjectMap )< 1{_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0054\u0068\u0069\u0073 \u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074 \u0069s\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0028\u0078\u0072\u0065\u0066\u0020\u0074\u0061\u0062l\u0065\u0020\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0021\u0029");
return nil ,_cb .Errorf ("\u0069\u006ev\u0061\u006c\u0069\u0064 \u0064\u006fc\u0075\u006d\u0065\u006e\u0074\u0020\u0028\u0078r\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u0020\u006d\u0069\u0073s\u0069\u006e\u0067\u0029");};_fcaga ,_cbbdb :=_adag ["\u0046\u006f\u006e\u0074"];
if !_cbbdb ||_fcaga < 2{_beff .Log .Trace ("\u0054\u0068\u0069s \u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074\u0020i\u0073 \u0070r\u006fb\u0061\u0062\u006c\u0079\u0020\u0073\u0063\u0061\u006e\u006e\u0065\u0064\u0021");}else {_beff .Log .Trace ("\u0054\u0068\u0069\u0073\u0020\u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074\u0020\u0069\u0073\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0066o\u0072\u0020\u0065\u0078\u0074r\u0061\u0063t\u0069\u006f\u006e\u0021");
};return _adag ,nil ;};

// WriteString outputs the object as it is to be written to file.
func (_eaga *PdfObjectArray )WriteString ()string {var _feac _gf .Builder ;_feac .WriteString ("\u005b");for _cdade ,_daae :=range _eaga .Elements (){_feac .WriteString (_daae .WriteString ());if _cdade < (_eaga .Len ()-1){_feac .WriteString ("\u0020");
};};_feac .WriteString ("\u005d");return _feac .String ();};

// MakeNull creates an PdfObjectNull.
func MakeNull ()*PdfObjectNull {_dgbee :=PdfObjectNull {};return &_dgbee };

// Decoded returns the PDFDocEncoding or UTF-16BE decoded string contents.
// UTF-16BE is applied when the first two bytes are 0xFE, 0XFF, otherwise decoding of
// PDFDocEncoding is performed.
func (_dcfb *PdfObjectString )Decoded ()string {if _dcfb ==nil {return "";};_ggag :=[]byte (_dcfb ._bdccf );if len (_ggag )>=2&&_ggag [0]==0xFE&&_ggag [1]==0xFF{return _bge .UTF16ToString (_ggag [2:]);};return _bge .PDFDocEncodingToString (_ggag );};

// GetStream returns the *PdfObjectStream represented by the PdfObject. On type mismatch the found bool flag is
// false and a nil pointer is returned.
func GetStream (obj PdfObject )(_gecag *PdfObjectStream ,_fbebe bool ){obj =ResolveReference (obj );_gecag ,_fbebe =obj .(*PdfObjectStream );return _gecag ,_fbebe ;};

// DecodeStream decodes the stream data and returns the decoded data.
// An error is returned upon failure.
func DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_beff .Log .Trace ("\u0044\u0065\u0063\u006f\u0064\u0065\u0020\u0073\u0074\u0072\u0065\u0061\u006d");_aafd ,_bcgf :=NewEncoderFromStream (streamObj );if _bcgf !=nil {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a \u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0065\u0063\u006f\u0064\u0069n\u0067\u0020\u0066\u0061\u0069\u006c\u0065d\u003a\u0020\u0025\u0076",_bcgf );
return nil ,_bcgf ;};_beff .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u0023\u0076\u000a",_aafd );_cecbg ,_bcgf :=_aafd .DecodeStream (streamObj );if _bcgf !=nil {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a \u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0065\u0063\u006f\u0064\u0069n\u0067\u0020\u0066\u0061\u0069\u006c\u0065d\u003a\u0020\u0025\u0076",_bcgf );
return nil ,_bcgf ;};return _cecbg ,nil ;};

// MakeBool creates a PdfObjectBool from a bool value.
func MakeBool (val bool )*PdfObjectBool {_eccgd :=PdfObjectBool (val );return &_eccgd };

// Merge merges in key/values from another dictionary. Overwriting if has same keys.
// The mutated dictionary (d) is returned in order to allow method chaining.
func (_gfdf *PdfObjectDictionary )Merge (another *PdfObjectDictionary )*PdfObjectDictionary {if another !=nil {for _ ,_beac :=range another .Keys (){_eaffe :=another .Get (_beac );_gfdf .Set (_beac ,_eaffe );};};return _gfdf ;};

// DecodeStream decodes a multi-encoded stream by passing it through the
// DecodeStream method of the underlying encoders.
func (_cbfc *MultiEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _cbfc .DecodeBytes (streamObj .Stream );};

// Inspect analyzes the document object structure. Returns a map of object types (by name) with the instance count
// as value.
func (_aaed *PdfParser )Inspect ()(map[string ]int ,error ){return _aaed .inspect ()};

// SetFileOffset sets the file to an offset position and resets buffer.
func (_dbfd *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_dbfd ._bbba .Seek (offset ,_ac .SeekStart );_dbfd ._dbac =_aab .NewReader (_dbfd ._bbba );};func _dbfg (_gaef *PdfObjectStream ,_bgdb *PdfObjectDictionary )(*LZWEncoder ,error ){_gcabg :=NewLZWEncoder ();
_eecg :=_gaef .PdfObjectDictionary ;if _eecg ==nil {return _gcabg ,nil ;};if _bgdb ==nil {_fged :=TraceToDirectObject (_eecg .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _fged !=nil {if _aafc ,_ebe :=_fged .(*PdfObjectDictionary );
_ebe {_bgdb =_aafc ;}else if _effg ,_ccg :=_fged .(*PdfObjectArray );_ccg {if _effg .Len ()==1{if _fafc ,_geag :=GetDict (_effg .Get (0));_geag {_bgdb =_fafc ;};};};if _bgdb ==nil {_beff .Log .Error ("\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073\u0020\u006e\u006f\u0074 \u0061 \u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0020\u0025\u0023\u0076",_fged );
return nil ,_cb .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_ffce :=_eecg .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _ffce !=nil {_gbg ,_ebb :=_ffce .(*PdfObjectInteger );
if !_ebb {_beff .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u003a \u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065\u0020\u0073\u0070\u0065\u0063\u0069\u0066\u0069\u0065d\u0020\u0062\u0075\u0074\u0020\u006e\u006f\u0074\u0020\u006e\u0075\u006d\u0065\u0072i\u0063 \u0028\u0025\u0054\u0029",_ffce );
return nil ,_cb .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_gbg !=0&&*_gbg !=1{return nil ,_cb .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065\u0020\u0076\u0061\u006c\u0075e\u0020\u0028\u006e\u006f\u0074 \u0030\u0020o\u0072\u0020\u0031\u0029");
};_gcabg .EarlyChange =int (*_gbg );}else {_gcabg .EarlyChange =1;};if _bgdb ==nil {return _gcabg ,nil ;};if _cfgc ,_gfbc :=GetIntVal (_bgdb .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_gfbc {if _cfgc ==0||_cfgc ==1{_gcabg .EarlyChange =_cfgc ;
}else {_beff .Log .Debug ("W\u0041\u0052\u004e\u003a\u0020\u0069n\u0076\u0061\u006c\u0069\u0064\u0020E\u0061\u0072\u006c\u0079\u0043\u0068\u0061n\u0067\u0065\u0020\u0076\u0061\u006c\u0075\u0065\u003a\u0020%\u0064",_cfgc );};};_ffce =_bgdb .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _ffce !=nil {_dfbd ,_afgde :=_ffce .(*PdfObjectInteger );if !_afgde {_beff .Log .Debug ("E\u0072\u0072\u006f\u0072\u003a\u0020\u0050\u0072\u0065d\u0069\u0063\u0074\u006f\u0072\u0020\u0073pe\u0063\u0069\u0066\u0069e\u0064\u0020\u0062\u0075\u0074\u0020\u006e\u006f\u0074 n\u0075\u006de\u0072\u0069\u0063\u0020\u0028\u0025\u0054\u0029",_ffce );
return nil ,_cb .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_gcabg .Predictor =int (*_dfbd );};_ffce =_bgdb .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _ffce !=nil {_dcce ,_bfdgg :=_ffce .(*PdfObjectInteger );if !_bfdgg {_beff .Log .Debug ("\u0045\u0052\u0052O\u0052\u003a\u0020\u0049n\u0076\u0061\u006c\u0069\u0064\u0020\u0042i\u0074\u0073\u0050\u0065\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
return nil ,_cb .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_gcabg .BitsPerComponent =int (*_dcce );};if _gcabg .Predictor > 1{_gcabg .Columns =1;_ffce =_bgdb .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _ffce !=nil {_gbb ,_bdd :=_ffce .(*PdfObjectInteger );if !_bdd {return nil ,_cb .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_gcabg .Columns =int (*_gbb );
};_gcabg .Colors =1;_ffce =_bgdb .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _ffce !=nil {_dfee ,_adg :=_ffce .(*PdfObjectInteger );if !_adg {return nil ,_cb .Errorf ("\u0070\u0072\u0065d\u0069\u0063\u0074\u006fr\u0020\u0063\u006f\u006c\u006f\u0072\u0073 \u006e\u006f\u0074\u0020\u0061\u006e\u0020\u0069\u006e\u0074\u0065\u0067\u0065\u0072");
};_gcabg .Colors =int (*_dfee );};};_beff .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_bgdb .String ());return _gcabg ,nil ;};

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_gcfc *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_geed ,_gfecf :=_gcfc ._fcaa [key ];if !_gfecf {return nil ;};return _geed ;};

// GetName returns the *PdfObjectName represented by the PdfObject directly or indirectly within an indirect
// object. On type mismatch the found bool flag is false and a nil pointer is returned.
func GetName (obj PdfObject )(_cgbca *PdfObjectName ,_dfad bool ){_cgbca ,_dfad =TraceToDirectObject (obj ).(*PdfObjectName );return _cgbca ,_dfad ;};func (_baccd *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _baccd ._dcee {return nil ,_cb .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");
};_baccd ._dcee =true ;_baccd ._bbba .Seek (0,_ac .SeekStart );_baccd ._dbac =_aab .NewReader (_baccd ._bbba );_dbgc :=20;_dcfd :=make ([]byte ,_dbgc );_deebf :=XrefTable {};_deebf .ObjectMap =make (map[int ]XrefObject );for {_edegb ,_agfc :=_baccd ._dbac .ReadByte ();
if _agfc !=nil {if _agfc ==_ac .EOF {break ;}else {return nil ,_agfc ;};};if _edegb =='j'&&_dcfd [_dbgc -1]=='b'&&_dcfd [_dbgc -2]=='o'&&IsWhiteSpace (_dcfd [_dbgc -3]){_acae :=_dbgc -4;for IsWhiteSpace (_dcfd [_acae ])&&_acae > 0{_acae --;};if _acae ==0||!IsDecimalDigit (_dcfd [_acae ]){continue ;
};for IsDecimalDigit (_dcfd [_acae ])&&_acae > 0{_acae --;};if _acae ==0||!IsWhiteSpace (_dcfd [_acae ]){continue ;};for IsWhiteSpace (_dcfd [_acae ])&&_acae > 0{_acae --;};if _acae ==0||!IsDecimalDigit (_dcfd [_acae ]){continue ;};for IsDecimalDigit (_dcfd [_acae ])&&_acae > 0{_acae --;
};if _acae ==0{continue ;};_ecga :=_baccd .GetFileOffset ()-int64 (_dbgc -_acae );_cfgba :=append (_dcfd [_acae +1:],_edegb );_bccc ,_eaad ,_eaabd :=_fbdge (string (_cfgba ));if _eaabd !=nil {_beff .Log .Debug ("\u0055\u006e\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061\u0072\u0073\u0065\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u006e\u0075\u006d\u0062\u0065r\u003a\u0020\u0025\u0076",_eaabd );
return nil ,_eaabd ;};if _ebbb ,_bcffc :=_deebf .ObjectMap [_bccc ];!_bcffc ||_ebbb .Generation < _eaad {_efbe :=XrefObject {};_efbe .XType =XrefTypeTableEntry ;_efbe .ObjectNumber =_bccc ;_efbe .Generation =_eaad ;_efbe .Offset =_ecga ;_deebf .ObjectMap [_bccc ]=_efbe ;
};};_dcfd =append (_dcfd [1:_dbgc ],_edegb );};_baccd ._fegd =nil ;return &_deebf ,nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_dbce *JPXEncoder )MakeStreamDict ()*PdfObjectDictionary {return MakeDict ()};

// ResolveReference resolves reference if `o` is a *PdfObjectReference and returns the object referenced to.
// Otherwise returns back `o`.
func ResolveReference (obj PdfObject )PdfObject {if _agfa ,_gaba :=obj .(*PdfObjectReference );_gaba {return _agfa .Resolve ();};return obj ;};

// GetBoolVal returns the bool value within a *PdObjectBool represented by an PdfObject interface directly or indirectly.
// If the PdfObject does not represent a bool value, a default value of false is returned (found = false also).
func GetBoolVal (obj PdfObject )(_abcee bool ,_gagg bool ){_acffd ,_gagg :=TraceToDirectObject (obj ).(*PdfObjectBool );if _gagg {return bool (*_acffd ),true ;};return false ,false ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set and the DecodeParms.
func (_gga *LZWEncoder )MakeStreamDict ()*PdfObjectDictionary {_fag :=MakeDict ();_fag .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_gga .GetFilterName ()));_caee :=_gga .MakeDecodeParams ();if _caee !=nil {_fag .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_caee );
};_fag .Set ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065",MakeInteger (int64 (_gga .EarlyChange )));return _fag ;};

// GetFilterName returns the name of the encoding filter.
func (_fcgg *ASCIIHexEncoder )GetFilterName ()string {return StreamEncodingFilterNameASCIIHex };func (_gfcag *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_gfcag ._bedf .ObjectMap =make (map[int ]XrefObject );_gfcag ._afcd =make (objectStreams );
_cabb ,_dgee :=_gfcag ._bbba .Seek (0,_ac .SeekEnd );if _dgee !=nil {return nil ,_dgee ;};_beff .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_cabb );_gfcag ._egce =_cabb ;_dgee =_gfcag .seekToEOFMarker (_cabb );if _dgee !=nil {_beff .Log .Debug ("\u0046\u0061i\u006c\u0065\u0064\u0020\u0073\u0065\u0065\u006b\u0020\u0074\u006f\u0020\u0065\u006f\u0066\u0020\u006d\u0061\u0072\u006b\u0065\u0072: \u0025\u0076",_dgee );
return nil ,_dgee ;};_gddb ,_dgee :=_gfcag ._bbba .Seek (0,_ac .SeekCurrent );if _dgee !=nil {return nil ,_dgee ;};var _bcfd int64 =64;_gegfe :=_gddb -_bcfd ;if _gegfe < 0{_gegfe =0;};_ ,_dgee =_gfcag ._bbba .Seek (_gegfe ,_ac .SeekStart );if _dgee !=nil {return nil ,_dgee ;
};_bcd :=make ([]byte ,_bcfd );_ ,_dgee =_gfcag ._bbba .Read (_bcd );if _dgee !=nil {_beff .Log .Debug ("\u0046\u0061i\u006c\u0065\u0064\u0020\u0072\u0065\u0061\u0064\u0069\u006e\u0067\u0020\u0077\u0068\u0069\u006c\u0065\u0020\u006c\u006f\u006f\u006b\u0069\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065\u0066\u003a\u0020\u0025\u0076",_dgee );
return nil ,_dgee ;};_egca :=_effaa .FindStringSubmatch (string (_bcd ));if len (_egca )< 2{_beff .Log .Debug ("E\u0072\u0072\u006f\u0072\u003a\u0020s\u0074\u0061\u0072\u0074\u0078\u0072\u0065\u0066\u0020n\u006f\u0074\u0020f\u006fu\u006e\u0064\u0021");
return nil ,_cf .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};if len (_egca )> 2{_beff .Log .Debug ("\u0045\u0052\u0052O\u0052\u003a\u0020\u004du\u006c\u0074\u0069\u0070\u006c\u0065\u0020s\u0074\u0061\u0072\u0074\u0078\u0072\u0065\u0066\u0020\u0028\u0025\u0073\u0029\u0021",_bcd );
return nil ,_cf .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");};_fcea ,_ :=_b .ParseInt (_egca [1],10,64);_beff .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_fcea );
if _fcea > _cabb {_beff .Log .Debug ("\u0045\u0052\u0052OR\u003a\u0020\u0058\u0072\u0065\u0066\u0020\u006f\u0066f\u0073e\u0074 \u006fu\u0074\u0073\u0069\u0064\u0065\u0020\u006f\u0066\u0020\u0066\u0069\u006c\u0065");_beff .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");
_fcea ,_dgee =_gfcag .repairLocateXref ();if _dgee !=nil {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a \u0052\u0065\u0070\u0061\u0069\u0072\u0020\u0061\u0074\u0074\u0065\u006d\u0070t\u0020\u0066\u0061\u0069\u006c\u0065\u0064 \u0028\u0025\u0073\u0029");
return nil ,_dgee ;};};_gfcag ._bbba .Seek (_fcea ,_ac .SeekStart );_gfcag ._dbac =_aab .NewReader (_gfcag ._bbba );_gfbdg ,_dgee :=_gfcag .parseXref ();if _dgee !=nil {return nil ,_dgee ;};_cgcab :=_gfbdg .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");
if _cgcab !=nil {_eebgc ,_caeee :=_cgcab .(*PdfObjectInteger );if !_caeee {return nil ,_cf .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_dgee =_gfcag .parseXrefStream (_eebgc );if _dgee !=nil {return nil ,_dgee ;
};};var _eccg []int64 ;_gafdc :=func (_daef int64 ,_cbdeb []int64 )bool {for _ ,_dade :=range _cbdeb {if _dade ==_daef {return true ;};};return false ;};_cgcab =_gfbdg .Get ("\u0050\u0072\u0065\u0076");for _cgcab !=nil {_fdge ,_bbfdf :=_cgcab .(*PdfObjectInteger );
if !_bbfdf {_beff .Log .Debug ("\u0049\u006ev\u0061\u006c\u0069\u0064\u0020P\u0072\u0065\u0076\u0020\u0072e\u0066\u0065\u0072\u0065\u006e\u0063\u0065\u003a\u0020\u004e\u006f\u0074\u0020\u0061\u0020\u002a\u0050\u0064\u0066\u004f\u0062\u006a\u0065\u0063\u0074\u0049\u006e\u0074\u0065\u0067\u0065\u0072\u0020\u0028\u0025\u0054\u0029",_cgcab );
return _gfbdg ,nil ;};_aaag :=*_fdge ;_beff .Log .Trace ("\u0041\u006eot\u0068\u0065\u0072 \u0050\u0072\u0065\u0076 xr\u0065f \u0074\u0061\u0062\u006c\u0065\u0020\u006fbj\u0065\u0063\u0074\u0020\u0061\u0074\u0020%\u0064",_aaag );_gfcag ._bbba .Seek (int64 (_aaag ),_ac .SeekStart );
_gfcag ._dbac =_aab .NewReader (_gfcag ._bbba );_gabbg ,_ebfb :=_gfcag .parseXref ();if _ebfb !=nil {_beff .Log .Debug ("\u0057\u0061\u0072\u006e\u0069\u006e\u0067\u003a\u0020\u0045\u0072\u0072\u006f\u0072\u0020-\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u0061\u0064\u0069n\u0067\u0020\u0061\u006e\u006f\u0074\u0068\u0065\u0072\u0020\u0028\u0050re\u0076\u0029\u0020\u0074\u0072\u0061\u0069\u006c\u0065\u0072");
_beff .Log .Debug ("\u0041\u0074t\u0065\u006d\u0070\u0074i\u006e\u0067 \u0074\u006f\u0020\u0063\u006f\u006e\u0074\u0069n\u0075\u0065\u0020\u0062\u0079\u0020\u0069\u0067\u006e\u006f\u0072\u0069n\u0067\u0020\u0069\u0074");break ;};_cgcab =_gabbg .Get ("\u0050\u0072\u0065\u0076");
if _cgcab !=nil {_cbgca :=*(_cgcab .(*PdfObjectInteger ));if _gafdc (int64 (_cbgca ),_eccg ){_beff .Log .Debug ("\u0050\u0072ev\u0065\u006e\u0074i\u006e\u0067\u0020\u0063irc\u0075la\u0072\u0020\u0078\u0072\u0065\u0066\u0020re\u0066\u0065\u0072\u0065\u006e\u0063\u0069n\u0067");
break ;};_eccg =append (_eccg ,int64 (_cbgca ));};};return _gfbdg ,nil ;};const (DefaultJPEGQuality =75;);

// XrefTable represents the cross references in a PDF, i.e. the table of objects and information
// where to access within the PDF file.
type XrefTable struct{ObjectMap map[int ]XrefObject ;_bd []XrefObject ;};func (_fcbc *PdfParser )readComment ()(string ,error ){var _cdec _dc .Buffer ;_ ,_ddfa :=_fcbc .skipSpaces ();if _ddfa !=nil {return _cdec .String (),_ddfa ;};_dfggb :=true ;for {_fccc ,_agee :=_fcbc ._dbac .Peek (1);
if _agee !=nil {_beff .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_agee .Error ());return _cdec .String (),_agee ;};if _dfggb &&_fccc [0]!='%'{return _cdec .String (),_cf .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");
};_dfggb =false ;if (_fccc [0]!='\r')&&(_fccc [0]!='\n'){_dgag ,_ :=_fcbc ._dbac .ReadByte ();_cdec .WriteByte (_dgag );}else {break ;};};return _cdec .String (),nil ;};func _dgbag ()string {return _beff .Version };

// DecodeStream decodes RunLengthEncoded stream object and give back decoded bytes.
func (_agcgb *RunLengthEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _agcgb .DecodeBytes (streamObj .Stream );};

// GetObjectStreams returns the *PdfObjectStreams represented by the PdfObject. On type mismatch the found bool flag is
// false and a nil pointer is returned.
func GetObjectStreams (obj PdfObject )(_cbed *PdfObjectStreams ,_cbfea bool ){_cbed ,_cbfea =obj .(*PdfObjectStreams );return _cbed ,_cbfea ;};

// RunLengthEncoder represents Run length encoding.
type RunLengthEncoder struct{};func (_bebc *PdfParser )rebuildXrefTable ()error {_ebdg :=XrefTable {};_ebdg .ObjectMap =map[int ]XrefObject {};_afeab :=make ([]int ,0,len (_bebc ._bedf .ObjectMap ));for _bdbb :=range _bebc ._bedf .ObjectMap {_afeab =append (_afeab ,_bdbb );
};_a .Ints (_afeab );for _ ,_bbbc :=range _afeab {_gebab :=_bebc ._bedf .ObjectMap [_bbbc ];_agbb ,_ ,_ebgg :=_bebc .lookupByNumberWrapper (_bbbc ,false );if _ebgg !=nil {_beff .Log .Debug ("\u0045\u0052RO\u0052\u003a\u0020U\u006e\u0061\u0062\u006ce t\u006f l\u006f\u006f\u006b\u0020\u0075\u0070\u0020ob\u006a\u0065\u0063\u0074\u0020\u0028\u0025s\u0029",_ebgg );
_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0058\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u0020\u0063\u006fm\u0070\u006c\u0065\u0074\u0065\u006c\u0079\u0020\u0062\u0072\u006f\u006b\u0065\u006e\u0020\u002d\u0020\u0061\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0074\u006f \u0072\u0065\u0070\u0061\u0069r\u0020");
_aecc ,_bacgfc :=_bebc .repairRebuildXrefsTopDown ();if _bacgfc !=nil {_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u0078\u0072\u0065\u0066\u0020\u0072\u0065\u0062\u0075\u0069l\u0064\u0020\u0072\u0065\u0070a\u0069\u0072 \u0028\u0025\u0073\u0029",_bacgfc );
return _bacgfc ;};_bebc ._bedf =*_aecc ;_beff .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_dddde ,_fceb ,_ebgg :=_ec (_agbb );if _ebgg !=nil {return _ebgg ;
};_gebab .ObjectNumber =int (_dddde );_gebab .Generation =int (_fceb );_ebdg .ObjectMap [int (_dddde )]=_gebab ;};_bebc ._bedf =_ebdg ;_beff .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");
_aaf (_bebc ._bedf );return nil ;};

// PdfObjectReference represents the primitive PDF reference object.
type PdfObjectReference struct{_fedeg *PdfParser ;ObjectNumber int64 ;GenerationNumber int64 ;};

// EncodeBytes encodes slice of bytes into JBIG2 encoding format.
// The input 'data' must be an image. In order to Decode it a user is responsible to
// load the codec ('png', 'jpg').
// Returns jbig2 single page encoded document byte slice. The encoder uses DefaultPageSettings
// to encode given image.
func (_gaedf *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _gbdc ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _gaedf .ColorComponents !=1||_gaedf .BitsPerComponent !=1{return nil ,_bba .Errorf (_gbdc ,"\u0070\u0072\u006f\u0076\u0069\u0064\u0065\u0064\u0020i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0069\u006e\u0070\u0075\u0074\u0020\u0069\u006d\u0061\u0067\u0065\u002e\u0020\u004a\u0042\u0049G\u0032\u0020E\u006e\u0063o\u0064\u0065\u0072\u0020\u0072\u0065\u0071\u0075\u0069\u0072\u0065\u0073\u0020bi\u006e\u0061\u0072\u0079\u0020\u0069\u006d\u0061\u0067e\u0073\u0020\u0064\u0061\u0074\u0061");
};var (_bgbgg *_cba .Bitmap ;_bgab error ;);_fbg :=(_gaedf .Width *_gaedf .Height )==len (data );if _fbg {_bgbgg ,_bgab =_cba .NewWithUnpaddedData (_gaedf .Width ,_gaedf .Height ,data );}else {_bgbgg ,_bgab =_cba .NewWithData (_gaedf .Width ,_gaedf .Height ,data );
};if _bgab !=nil {return nil ,_bgab ;};_fdgg :=_gaedf .DefaultPageSettings ;if _bgab =_fdgg .Validate ();_bgab !=nil {return nil ,_bba .Wrap (_bgab ,_gbdc ,"");};if _gaedf ._fegg ==nil {_gaedf ._fegg =_fe .InitEncodeDocument (_fdgg .FileMode );};switch _fdgg .Compression {case JB2Generic :if _bgab =_gaedf ._fegg .AddGenericPage (_bgbgg ,_fdgg .DuplicatedLinesRemoval );
_bgab !=nil {return nil ,_bba .Wrap (_bgab ,_gbdc ,"");};case JB2SymbolCorrelation :return nil ,_bba .Error (_gbdc ,"s\u0079\u006d\u0062\u006f\u006c\u0020\u0063\u006f\u0072r\u0065\u006c\u0061\u0074\u0069\u006f\u006e e\u006e\u0063\u006f\u0064i\u006e\u0067\u0020\u006e\u006f\u0074\u0020\u0069\u006dpl\u0065\u006de\u006e\u0074\u0065\u0064\u0020\u0079\u0065\u0074");
case JB2SymbolRankHaus :return nil ,_bba .Error (_gbdc ,"\u0073y\u006d\u0062o\u006c\u0020\u0072a\u006e\u006b\u0020\u0068\u0061\u0075\u0073 \u0065\u006e\u0063\u006f\u0064\u0069n\u0067\u0020\u006e\u006f\u0074\u0020\u0069\u006d\u0070\u006c\u0065m\u0065\u006e\u0074\u0065\u0064\u0020\u0079\u0065\u0074");
default:return nil ,_bba .Error (_gbdc ,"\u0070\u0072\u006f\u0076i\u0064\u0065\u0064\u0020\u0069\u006e\u0076\u0061\u006c\u0069d\u0020c\u006f\u006d\u0070\u0072\u0065\u0073\u0073i\u006f\u006e");};return _gaedf .Encode ();};func (_ecbc *PdfParser )parseString ()(*PdfObjectString ,error ){_ecbc ._dbac .ReadByte ();
var _daba _dc .Buffer ;_fcde :=1;for {_acbb ,_egde :=_ecbc ._dbac .Peek (1);if _egde !=nil {return MakeString (_daba .String ()),_egde ;};if _acbb [0]=='\\'{_ecbc ._dbac .ReadByte ();_caddc ,_gdad :=_ecbc ._dbac .ReadByte ();if _gdad !=nil {return MakeString (_daba .String ()),_gdad ;
};if IsOctalDigit (_caddc ){_cffdg ,_aaaa :=_ecbc ._dbac .Peek (2);if _aaaa !=nil {return MakeString (_daba .String ()),_aaaa ;};var _cegf []byte ;_cegf =append (_cegf ,_caddc );for _ ,_eaca :=range _cffdg {if IsOctalDigit (_eaca ){_cegf =append (_cegf ,_eaca );
}else {break ;};};_ecbc ._dbac .Discard (len (_cegf )-1);_beff .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_cegf );_gedd ,_aaaa :=_b .ParseUint (string (_cegf ),8,32);if _aaaa !=nil {return MakeString (_daba .String ()),_aaaa ;
};_daba .WriteByte (byte (_gedd ));continue ;};switch _caddc {case 'n':_daba .WriteRune ('\n');case 'r':_daba .WriteRune ('\r');case 't':_daba .WriteRune ('\t');case 'b':_daba .WriteRune ('\b');case 'f':_daba .WriteRune ('\f');case '(':_daba .WriteRune ('(');
case ')':_daba .WriteRune (')');case '\\':_daba .WriteRune ('\\');};continue ;}else if _acbb [0]=='('{_fcde ++;}else if _acbb [0]==')'{_fcde --;if _fcde ==0{_ecbc ._dbac .ReadByte ();break ;};};_edc ,_ :=_ecbc ._dbac .ReadByte ();_daba .WriteByte (_edc );
};return MakeString (_daba .String ()),nil ;};

// MakeDictMap creates a PdfObjectDictionary initialized from a map of keys to values.
func MakeDictMap (objmap map[string ]PdfObject )*PdfObjectDictionary {_abde :=MakeDict ();return _abde .Update (objmap );};

// ASCIIHexEncoder implements ASCII hex encoder/decoder.
type ASCIIHexEncoder struct{};

// ToInt64Slice returns a slice of all array elements as an int64 slice. An error is returned if the
// array non-integer objects. Each element can only be PdfObjectInteger.
func (_fbbb *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _bdbdf []int64 ;for _ ,_cdbea :=range _fbbb .Elements (){if _agac ,_fdbf :=_cdbea .(*PdfObjectInteger );_fdbf {_bdbdf =append (_bdbdf ,int64 (*_agac ));}else {return nil ,ErrTypeError ;};
};return _bdbdf ,nil ;};const (StreamEncodingFilterNameFlate ="F\u006c\u0061\u0074\u0065\u0044\u0065\u0063\u006f\u0064\u0065";StreamEncodingFilterNameLZW ="\u004cZ\u0057\u0044\u0065\u0063\u006f\u0064e";StreamEncodingFilterNameDCT ="\u0044C\u0054\u0044\u0065\u0063\u006f\u0064e";
StreamEncodingFilterNameRunLength ="\u0052u\u006eL\u0065\u006e\u0067\u0074\u0068\u0044\u0065\u0063\u006f\u0064\u0065";StreamEncodingFilterNameASCIIHex ="\u0041\u0053\u0043\u0049\u0049\u0048\u0065\u0078\u0044e\u0063\u006f\u0064\u0065";StreamEncodingFilterNameASCII85 ="\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0044\u0065\u0063\u006f\u0064\u0065";
StreamEncodingFilterNameCCITTFax ="\u0043\u0043\u0049\u0054\u0054\u0046\u0061\u0078\u0044e\u0063\u006f\u0064\u0065";StreamEncodingFilterNameJBIG2 ="J\u0042\u0049\u0047\u0032\u0044\u0065\u0063\u006f\u0064\u0065";StreamEncodingFilterNameJPX ="\u004aP\u0058\u0044\u0065\u0063\u006f\u0064e";
StreamEncodingFilterNameRaw ="\u0052\u0061\u0077";);

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_bfge *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_cbbe :=MakeDict ();_cbbe .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_bfge .GetFilterArray ());for _ ,_cbbd :=range _bfge ._fgfc {_cfce :=_cbbd .MakeStreamDict ();for _ ,_cdbc :=range _cfce .Keys (){_acb :=_cfce .Get (_cdbc );
if _cdbc !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_cdbc !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_cbbe .Set (_cdbc ,_acb );};};};_cbge :=_bfge .MakeDecodeParams ();if _cbge !=nil {_cbbe .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_cbge );
};return _cbbe ;};

// WriteString outputs the object as it is to be written to file.
func (_gbae *PdfObjectStream )WriteString ()string {var _caca _gf .Builder ;_caca .WriteString (_b .FormatInt (_gbae .ObjectNumber ,10));_caca .WriteString ("\u0020\u0030\u0020\u0052");return _caca .String ();};

// String returns a string describing `d`.
func (_geagb *PdfObjectDictionary )String ()string {var _ggbgd _gf .Builder ;_ggbgd .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_cgdgc :=range _geagb ._ebdd {_ebcda :=_geagb ._fcaa [_cgdgc ];_ggbgd .WriteString ("\u0022"+_cgdgc .String ()+"\u0022\u003a\u0020");
_ggbgd .WriteString (_ebcda .String ());_ggbgd .WriteString ("\u002c\u0020");};_ggbgd .WriteString ("\u0029");return _ggbgd .String ();};func (_ggcf *PdfCrypt )checkAccessRights (_gff []byte )(bool ,_cd .Permissions ,error ){_ffe :=_ggcf .securityHandler ();
_ggbb ,_dae ,_dac :=_ffe .Authenticate (&_ggcf ._gggd ,_gff );if _dac !=nil {return false ,0,_dac ;}else if _dae ==0||len (_ggbb )==0{return false ,0,nil ;};return true ,_dae ,nil ;};func (_bce *PdfParser )parseArray ()(*PdfObjectArray ,error ){_aabb :=MakeArray ();
_bce ._dbac .ReadByte ();for {_bce .skipSpaces ();_gabb ,_dgga :=_bce ._dbac .Peek (1);if _dgga !=nil {return _aabb ,_dgga ;};if _gabb [0]==']'{_bce ._dbac .ReadByte ();break ;};_dggb ,_dgga :=_bce .parseObject ();if _dgga !=nil {return _aabb ,_dgga ;};
_aabb .Append (_dggb );};return _aabb ,nil ;};

// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_dfb encryptDict ;_gggd _cd .StdEncryptDict ;_gca string ;_gae []byte ;_ceb map[PdfObject ]bool ;_deb map[PdfObject ]bool ;_efg bool ;_ab cryptFilters ;_bfc string ;_gfb string ;_efd *PdfParser ;_baba map[int ]struct{};};

// MakeFloat creates an PdfObjectFloat from a float64.
func MakeFloat (val float64 )*PdfObjectFloat {_eagd :=PdfObjectFloat (val );return &_eagd };

// MakeDict creates and returns an empty PdfObjectDictionary.
func MakeDict ()*PdfObjectDictionary {_ecaba :=&PdfObjectDictionary {};_ecaba ._fcaa =map[PdfObjectName ]PdfObject {};_ecaba ._ebdd =[]PdfObjectName {};return _ecaba ;};

// NewASCII85Encoder makes a new ASCII85 encoder.
func NewASCII85Encoder ()*ASCII85Encoder {_aaga :=&ASCII85Encoder {};return _aaga };

// NewCCITTFaxEncoder makes a new CCITTFax encoder.
func NewCCITTFaxEncoder ()*CCITTFaxEncoder {return &CCITTFaxEncoder {Columns :1728,EndOfBlock :true }};func _badf (_eab *PdfObjectStream ,_dba *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_begc :=NewCCITTFaxEncoder ();_bag :=_eab .PdfObjectDictionary ;
if _bag ==nil {return _begc ,nil ;};if _dba ==nil {_bbdf :=TraceToDirectObject (_bag .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _bbdf !=nil {switch _cbfb :=_bbdf .(type ){case *PdfObjectDictionary :_dba =_cbfb ;case *PdfObjectArray :if _cbfb .Len ()==1{if _gdfc ,_ead :=GetDict (_cbfb .Get (0));
_ead {_dba =_gdfc ;};};default:_beff .Log .Error ("\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073\u0020\u006e\u006f\u0074 \u0061 \u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0020\u0025\u0023\u0076",_bbdf );return nil ,_cf .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
};};if _dba ==nil {_beff .Log .Error ("\u0044\u0065c\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073\u0020\u006e\u006f\u0074\u0020\u0073\u0070\u0065\u0063\u0069\u0066\u0069\u0065\u0064 %\u0023\u0076",_bbdf );return nil ,_cf .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
};};if _gcfd ,_afba :=GetNumberAsInt64 (_dba .Get ("\u004b"));_afba ==nil {_begc .K =int (_gcfd );};if _gcd ,_gabe :=GetNumberAsInt64 (_dba .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));_gabe ==nil {_begc .Columns =int (_gcd );}else {_begc .Columns =1728;
};if _aage ,_ccaf :=GetNumberAsInt64 (_dba .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_ccaf ==nil {_begc .BlackIs1 =_aage > 0;}else {if _efga ,_dad :=GetBoolVal (_dba .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_dad {_begc .BlackIs1 =_efga ;
}else {if _ffbd ,_gcge :=GetArray (_dba .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_gcge {_fcgc ,_egf :=_ffbd .ToIntegerArray ();if _egf ==nil {_begc .BlackIs1 =_fcgc [0]==1&&_fcgc [1]==0;};};};};if _befe ,_afdbf :=GetNumberAsInt64 (_dba .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_afdbf ==nil {_begc .EncodedByteAlign =_befe > 0;}else {if _afgb ,_aefe :=GetBoolVal (_dba .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_aefe {_begc .EncodedByteAlign =_afgb ;};};if _fabg ,_geab :=GetNumberAsInt64 (_dba .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_geab ==nil {_begc .EndOfLine =_fabg > 0;}else {if _gecb ,_bgbg :=GetBoolVal (_dba .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_bgbg {_begc .EndOfLine =_gecb ;};};if _dcfa ,_daa :=GetNumberAsInt64 (_dba .Get ("\u0052\u006f\u0077\u0073"));_daa ==nil {_begc .Rows =int (_dcfa );
};_begc .EndOfBlock =true ;if _faeg ,_fafa :=GetNumberAsInt64 (_dba .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_fafa ==nil {_begc .EndOfBlock =_faeg > 0;}else {if _caae ,_dbdf :=GetBoolVal (_dba .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_dbdf {_begc .EndOfBlock =_caae ;};};if _dfce ,_ecad :=GetNumberAsInt64 (_dba .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_ecad !=nil {_begc .DamagedRowsBeforeError =int (_dfce );
};_beff .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_dba .String ());return _begc ,nil ;};

// DecodeImages decodes the page images from the jbig2 'encoded' data input.
// The jbig2 document may contain multiple pages, thus the function can return multiple
// images. The images order corresponds to the page number.
func (_fcca *JBIG2Encoder )DecodeImages (encoded []byte )([]_be .Image ,error ){const _cfgbcf ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_bgeb ,_acagf :=_cfg .Decode (encoded ,_cfg .Parameters {},_fcca .Globals .ToDocumentGlobals ());
if _acagf !=nil {return nil ,_bba .Wrap (_acagf ,_cfgbcf ,"");};_aggef ,_acagf :=_bgeb .PageNumber ();if _acagf !=nil {return nil ,_bba .Wrap (_acagf ,_cfgbcf ,"");};_efdg :=[]_be .Image {};var _bbfeb _be .Image ;for _agad :=1;_agad <=_aggef ;_agad ++{_bbfeb ,_acagf =_bgeb .DecodePageImage (_agad );
if _acagf !=nil {return nil ,_bba .Wrapf (_acagf ,_cfgbcf ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_agad );};_efdg =append (_efdg ,_bbfeb );};return _efdg ,nil ;};

// IsDelimiter checks if a character represents a delimiter.
func IsDelimiter (c byte )bool {return c =='('||c ==')'||c =='<'||c =='>'||c =='['||c ==']'||c =='{'||c =='}'||c =='/'||c =='%';};

// DecodeStream implements ASCII hex decoding.
func (_caec *ASCIIHexEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _caec .DecodeBytes (streamObj .Stream );};

// MakeArrayFromFloats creates an PdfObjectArray from a slice of float64s, where each array element is an
// PdfObjectFloat.
func MakeArrayFromFloats (vals []float64 )*PdfObjectArray {_ffbga :=MakeArray ();for _ ,_aebe :=range vals {_ffbga .Append (MakeFloat (_aebe ));};return _ffbga ;};

// UpdateParams updates the parameter values of the encoder.
// Implements StreamEncoder interface.
func (_baddf *JBIG2Encoder )UpdateParams (params *PdfObjectDictionary ){_ecg ,_fdae :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));if _fdae ==nil {_baddf .BitsPerComponent =int (_ecg );
};_gcfg ,_fdae :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));if _fdae ==nil {_baddf .Width =int (_gcfg );};_ebad ,_fdae :=GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));if _fdae ==nil {_baddf .Height =int (_ebad );
};_cedc ,_fdae :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));if _fdae ==nil {_baddf .ColorComponents =int (_cedc );};};

// FlattenObject returns the contents of `obj`. In other words, `obj` with indirect objects replaced
// by their values.
// The replacements are made recursively to a depth of traceMaxDepth.
// NOTE: Dicts are sorted to make objects with same contents have the same PDF object strings.
func FlattenObject (obj PdfObject )PdfObject {return _acfff (obj ,0)};func (_aefb *PdfCrypt )loadCryptFilters (_eea *PdfObjectDictionary )error {_aefb ._ab =cryptFilters {};_gdb :=_eea .Get ("\u0043\u0046");_gdb =TraceToDirectObject (_gdb );if _bgf ,_bbe :=_gdb .(*PdfObjectReference );
_bbe {_cdb ,_fbd :=_aefb ._efd .LookupByReference (*_bgf );if _fbd !=nil {_beff .Log .Debug ("\u0045\u0072r\u006f\u0072\u0020\u006c\u006f\u006f\u006b\u0069\u006e\u0067\u0020\u0075\u0070\u0020\u0043\u0046\u0020\u0072\u0065\u0066\u0065\u0072en\u0063\u0065");
return _fbd ;};_gdb =TraceToDirectObject (_cdb );};_cbcc ,_bfb :=_gdb .(*PdfObjectDictionary );if !_bfb {_beff .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_gdb );return _cf .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");
};for _ ,_fcdd :=range _cbcc .Keys (){_dbec :=_cbcc .Get (_fcdd );if _ada ,_ageb :=_dbec .(*PdfObjectReference );_ageb {_egd ,_fba :=_aefb ._efd .LookupByReference (*_ada );if _fba !=nil {_beff .Log .Debug ("\u0045\u0072ro\u0072\u0020\u006co\u006f\u006b\u0075\u0070 up\u0020di\u0063\u0074\u0069\u006f\u006e\u0061\u0072y \u0072\u0065\u0066\u0065\u0072\u0065\u006ec\u0065");
return _fba ;};_dbec =TraceToDirectObject (_egd );};_gbf ,_ccf :=_dbec .(*PdfObjectDictionary );if !_ccf {return _cb .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074\u0020\u0069\u006e \u0043\u0046\u0020\u0028\u006e\u0061\u006d\u0065\u0020\u0025\u0073\u0029\u0020-\u0020\u006e\u006f\u0074\u0020\u0061\u0020\u0064\u0069\u0063\u0074\u0069on\u0061\u0072\u0079\u0020\u0062\u0075\u0074\u0020\u0025\u0054",_fcdd ,_dbec );
};if _fcdd =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_beff .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u002d\u0020\u0043\u0061\u006e\u006e\u006f\u0074\u0020\u006f\u0076\u0065\u0072\u0077r\u0069\u0074\u0065\u0020\u0074\u0068\u0065\u0020\u0069d\u0065\u006e\u0074\u0069\u0074\u0079\u0020\u0066\u0069\u006c\u0074\u0065\u0072 \u002d\u0020\u0054\u0072\u0079\u0069n\u0067\u0020\u006ee\u0078\u0074");
continue ;};var _dce _de .FilterDict ;if _fea :=_gfg (&_dce ,_gbf );_fea !=nil {return _fea ;};_afdb ,_dff :=_de .NewFilter (_dce );if _dff !=nil {return _dff ;};_aefb ._ab [string (_fcdd )]=_afdb ;};_aefb ._ab ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_de .NewIdentity ();
_aefb ._gfb ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _fee ,_dge :=_eea .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_dge {if _ ,_fgg :=_aefb ._ab [string (*_fee )];!_fgg {return _cb .Errorf ("\u0063\u0072\u0079\u0070t\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u0066o\u0072\u0020\u0053\u0074\u0072\u0046\u0020\u006e\u006f\u0074\u0020\u0073\u0070\u0065\u0063\u0069\u0066\u0069e\u0064\u0020\u0069\u006e\u0020C\u0046\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0020\u0028\u0025\u0073\u0029",*_fee );
};_aefb ._gfb =string (*_fee );};_aefb ._bfc ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _efe ,_bgc :=_eea .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_bgc {if _ ,_fdf :=_aefb ._ab [string (*_efe )];!_fdf {return _cb .Errorf ("\u0063\u0072\u0079\u0070t\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u0066o\u0072\u0020\u0053\u0074\u006d\u0046\u0020\u006e\u006f\u0074\u0020\u0073\u0070\u0065\u0063\u0069\u0066\u0069e\u0064\u0020\u0069\u006e\u0020C\u0046\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0020\u0028\u0025\u0073\u0029",*_efe );
};_aefb ._bfc =string (*_efe );};return nil ;};type objectStreams map[int ]objectStream ;

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_ecddc *RunLengthEncoder )MakeDecodeParams ()PdfObject {return nil };var _ecaed =_af .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");

// Update updates multiple keys and returns the dictionary back so can be used in a chained fashion.
func (_fefa *PdfObjectDictionary )Update (objmap map[string ]PdfObject )*PdfObjectDictionary {for _aabg ,_dgca :=range objmap {_fefa .Set (PdfObjectName (_aabg ),_dgca );};return _fefa ;};

// XrefObject defines a cross reference entry which is a map between object number (with generation number) and the
// location of the actual object, either as a file offset (xref table entry), or as a location within an xref
// stream object (xref object stream).
type XrefObject struct{XType xrefType ;ObjectNumber int ;Generation int ;

// For normal xrefs (defined by OFFSET)
Offset int64 ;

// For xrefs to object streams.
OsObjNumber int ;OsObjIndex int ;};

// WriteString outputs the object as it is to be written to file.
func (_decg *PdfObjectString )WriteString ()string {var _afec _dc .Buffer ;if _decg ._bcbe {_ebcd :=_bg .EncodeToString (_decg .Bytes ());_afec .WriteString ("\u003c");_afec .WriteString (_ebcd );_afec .WriteString ("\u003e");return _afec .String ();};
_gaaf :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_afec .WriteString ("\u0028");for _dcfee :=0;_dcfee < len (_decg ._bdccf );
_dcfee ++{_dfca :=_decg ._bdccf [_dcfee ];if _gbgcg ,_efeff :=_gaaf [_dfca ];_efeff {_afec .WriteString (_gbgcg );}else {_afec .WriteByte (_dfca );};};_afec .WriteString ("\u0029");return _afec .String ();};

// GetString is a helper for Get that returns a string value.
// Returns false if the key is missing or a value is not a string.
func (_acad *PdfObjectDictionary )GetString (key PdfObjectName )(string ,bool ){_cgbgb ,_adbga :=_acad ._fcaa [key ].(*PdfObjectString );if !_adbga {return "",false ;};return _cgbgb .Str (),true ;};

// Elements returns a slice of the PdfObject elements in the array.
func (_bfaf *PdfObjectArray )Elements ()[]PdfObject {if _bfaf ==nil {return nil ;};return _bfaf ._dcfe ;};func _aeeb (_eafc int )cryptFilters {return cryptFilters {_fbbg :_de .NewFilterV2 (_eafc )}};

// ToIntegerArray returns a slice of all array elements as an int slice. An error is returned if the
// array non-integer objects. Each element can only be PdfObjectInteger.
func (_eebga *PdfObjectArray )ToIntegerArray ()([]int ,error ){var _dedaf []int ;for _ ,_bfgc :=range _eebga .Elements (){if _acab ,_gdbg :=_bfgc .(*PdfObjectInteger );_gdbg {_dedaf =append (_dedaf ,int (*_acab ));}else {return nil ,ErrTypeError ;};};return _dedaf ,nil ;
};

// Set sets the PdfObject at index i of the streams. An error is returned if the index is outside bounds.
func (_dggf *PdfObjectStreams )Set (i int ,obj PdfObject )error {if i < 0||i >=len (_dggf ._bbeg ){return _cf .New ("\u004f\u0075\u0074\u0073\u0069\u0064\u0065\u0020\u0062o\u0075\u006e\u0064\u0073");};_dggf ._bbeg [i ]=obj ;return nil ;};

// Encrypt an object with specified key. For numbered objects,
// the key argument is not used and a new one is generated based
// on the object and generation number.
// Traverses through all the subobjects (recursive).
//
// Does not look up references..  That should be done prior to calling.
func (_aeg *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _aeg .isEncrypted (obj ){return nil ;};switch _dde :=obj .(type ){case *PdfIndirectObject :_aeg ._deb [_dde ]=true ;_beff .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0069\u006e\u0067 \u0069\u006e\u0064\u0069\u0072\u0065\u0063t\u0020\u0025\u0064\u0020\u0025\u0064\u0020\u006f\u0062\u006a\u0021",_dde .ObjectNumber ,_dde .GenerationNumber );
_abed :=_dde .ObjectNumber ;_gee :=_dde .GenerationNumber ;_cdbe :=_aeg .Encrypt (_dde .PdfObject ,_abed ,_gee );if _cdbe !=nil {return _cdbe ;};return nil ;case *PdfObjectStream :_aeg ._deb [_dde ]=true ;_dedb :=_dde .PdfObjectDictionary ;if _ecf ,_bga :=_dedb .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_bga &&*_ecf =="\u0058\u0052\u0065\u0066"{return nil ;};_gfaf :=_dde .ObjectNumber ;_bfcfb :=_dde .GenerationNumber ;_beff .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_gfaf ,_bfcfb );
_bca :=_fbbg ;if _aeg ._dfb .V >=4{_bca =_aeg ._bfc ;_beff .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_aeg ._bfc );if _cff ,_cfc :=_dedb .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_cfc {if _ade ,_aacf :=GetName (_cff .Get (0));_aacf {if *_ade =="\u0043\u0072\u0079p\u0074"{_bca ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _cbgb ,_dea :=_dedb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_dea {if _dafe ,_dabd :=_cbgb .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_dabd {if _ ,_gdgb :=_aeg ._ab [string (*_dafe )];_gdgb {_beff .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_dafe );
_bca =string (*_dafe );};};};};};};_beff .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_bca );if _bca =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_ffaf :=_aeg .Encrypt (_dde .PdfObjectDictionary ,_gfaf ,_bfcfb );
if _ffaf !=nil {return _ffaf ;};_eee ,_ffaf :=_aeg .makeKey (_bca ,uint32 (_gfaf ),uint32 (_bfcfb ),_aeg ._gae );if _ffaf !=nil {return _ffaf ;};_dde .Stream ,_ffaf =_aeg .encryptBytes (_dde .Stream ,_bca ,_eee );if _ffaf !=nil {return _ffaf ;};_dedb .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_dde .Stream ))));
return nil ;case *PdfObjectString :_beff .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_agb :=_fbbg ;if _aeg ._dfb .V >=4{_beff .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_aeg ._gfb );
if _aeg ._gfb =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_agb =_aeg ._gfb ;};_faa ,_bff :=_aeg .makeKey (_agb ,uint32 (parentObjNum ),uint32 (parentGenNum ),_aeg ._gae );if _bff !=nil {return _bff ;};_dcegf :=_dde .Str ();_cfga :=make ([]byte ,len (_dcegf ));
for _dgab :=0;_dgab < len (_dcegf );_dgab ++{_cfga [_dgab ]=_dcegf [_dgab ];};_beff .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_cfga ,_cfga );_cfga ,_bff =_aeg .encryptBytes (_cfga ,_agb ,_faa );
if _bff !=nil {return _bff ;};_dde ._bdccf =string (_cfga );return nil ;case *PdfObjectArray :for _ ,_cbf :=range _dde .Elements (){_bgd :=_aeg .Encrypt (_cbf ,parentObjNum ,parentGenNum );if _bgd !=nil {return _bgd ;};};return nil ;case *PdfObjectDictionary :_agef :=false ;
if _cefc :=_dde .Get ("\u0054\u0079\u0070\u0065");_cefc !=nil {_cfcg ,_aedd :=_cefc .(*PdfObjectName );if _aedd &&*_cfcg =="\u0053\u0069\u0067"{_agef =true ;};};for _ ,_gaa :=range _dde .Keys (){_dfa :=_dde .Get (_gaa );if _agef &&string (_gaa )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;
};if string (_gaa )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_gaa )!="\u0050\u0072\u0065\u0076"&&string (_gaa )!="\u004c\u0061\u0073\u0074"{_dfd :=_aeg .Encrypt (_dfa ,parentObjNum ,parentGenNum );if _dfd !=nil {return _dfd ;};};};return nil ;};
return nil ;};const (JB2Generic JBIG2CompressionType =iota ;JB2SymbolCorrelation ;JB2SymbolRankHaus ;);func (_ecddcg *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){const _gbfd =20;_eeefe ,_ :=_ecddcg ._dbac .Peek (_gbfd );for _agefb :=0;_agefb < 2;
_agefb ++{if _ecddcg ._dgafg ==0{_ecddcg ._dgafg =_ecddcg .GetFileOffset ();};if _gegf .Match (_eeefe ){_beff .Log .Trace ("\u0078\u0072e\u0066\u0020\u0070\u006f\u0069\u006e\u0074\u0073\u0020\u0074\u006f\u0020\u0061\u006e\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u002e\u0020\u0050\u0072\u006f\u0062\u0061\u0062\u006c\u0079\u0020\u0078\u0072\u0065\u0066\u0020\u006f\u0062\u006a\u0065\u0063\u0074");
_beff .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_eeefe ));return _ecddcg .parseXrefStream (nil );};if _eccad .Match (_eeefe ){_beff .Log .Trace ("\u0053\u0074\u0061\u006ed\u0061\u0072\u0064\u0020\u0078\u0072\u0065\u0066\u0020\u0073e\u0063t\u0069\u006f\u006e\u0020\u0074\u0061\u0062l\u0065\u0021");
return _ecddcg .parseXrefTable ();};_fede :=_ecddcg .GetFileOffset ();if _ecddcg ._dgafg ==0{_ecddcg ._dgafg =_fede ;};_ecddcg .SetFileOffset (_fede -_gbfd );defer _ecddcg .SetFileOffset (_fede );_geggc ,_ :=_ecddcg ._dbac .Peek (_gbfd );_eeefe =append (_geggc ,_eeefe ...);
};_beff .Log .Debug ("\u0057\u0061\u0072\u006e\u0069\u006e\u0067\u003a\u0020\u0055\u006e\u0061\u0062\u006c\u0065\u0020\u0074\u006f \u0066\u0069\u006e\u0064\u0020\u0078\u0072\u0065f\u0020\u0074\u0061\u0062\u006c\u0065\u0020\u006fr\u0020\u0073\u0074\u0072\u0065\u0061\u006d.\u0020\u0052\u0065\u0070\u0061i\u0072\u0020\u0061\u0074\u0074e\u006d\u0070\u0074\u0065\u0064\u003a\u0020\u004c\u006f\u006f\u006b\u0069\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0065\u0061\u0072\u006c\u0069\u0065\u0073\u0074\u0020x\u0072\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u0062\u006f\u0074to\u006d\u002e");
if _fgedc :=_ecddcg .repairSeekXrefMarker ();_fgedc !=nil {_beff .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_fgedc );return nil ,_fgedc ;};return _ecddcg .parseXrefTable ();};

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_fcaa map[PdfObjectName ]PdfObject ;_ebdd []PdfObjectName ;_dfebf *PdfParser ;};