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 (_dfg "bufio";_fc "bytes";_dc "compress/lzw";_ac "compress/zlib";_aa "crypto/md5";_fd "crypto/rand";_e "encoding/hex";_df "errors";_ab "fmt";_c "github.com/unidoc/unipdf/v3/common";_fg "github.com/unidoc/unipdf/v3/core/security";_cb "github.com/unidoc/unipdf/v3/core/security/crypt";
_ff "github.com/unidoc/unipdf/v3/internal/ccittfax";_ce "github.com/unidoc/unipdf/v3/internal/imageutil";_ag "github.com/unidoc/unipdf/v3/internal/jbig2";_gda "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";_dfe "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";
_fb "github.com/unidoc/unipdf/v3/internal/jbig2/document";_ca "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_fde "github.com/unidoc/unipdf/v3/internal/strutils";_fa "golang.org/x/image/tiff/lzw";_ae "golang.org/x/xerrors";_bb "image";_fe "image/color";
_a "image/jpeg";_abb "io";_f "io/ioutil";_g "reflect";_gcd "regexp";_gc "sort";_dd "strconv";_be "strings";_b "sync";_dfa "time";_gd "unicode";);

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_fbga *MultiEncoder )MakeDecodeParams ()PdfObject {if len (_fbga ._adea )==0{return nil ;};if len (_fbga ._adea )==1{return _fbga ._adea [0].MakeDecodeParams ();};_bdda :=MakeArray ();_ccac :=true ;for _ ,_agfgb :=range _fbga ._adea {_bccg :=_agfgb .MakeDecodeParams ();
if _bccg ==nil {_bdda .Append (MakeNull ());}else {_ccac =false ;_bdda .Append (_bccg );};};if _ccac {return nil ;};return _bdda ;};

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on the current encoder settings.
func (_gegd *JBIG2Encoder )MakeDecodeParams ()PdfObject {return MakeDict ()};const (DefaultJPEGQuality =75;);

// PdfObjectStream represents the primitive PDF Object stream.
type PdfObjectStream struct{PdfObjectReference ;*PdfObjectDictionary ;Stream []byte ;};func (_gfa *PdfCrypt )generateParams (_bfg ,_cdc []byte )error {_bgb :=_gfa .securityHandler ();_cbbe ,_ecg :=_bgb .GenerateParams (&_gfa ._cdd ,_cdc ,_bfg );if _ecg !=nil {return _ecg ;
};_gfa ._ec =_cbbe ;return nil ;};

// HasEOLAfterHeader gets information if there is a EOL after the version header.
func (_dad ParserMetadata )HasEOLAfterHeader ()bool {return _dad ._ffd };var (ErrUnsupportedEncodingParameters =_df .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 =_df .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 =_df .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 =_df .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 =_df .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_df .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_df .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_ae .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 =_df .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);func _gce (_eecf _cb .Filter ,_gacf _fg .AuthEvent )*PdfObjectDictionary {if _gacf ==""{_gacf =_fg .EventDocOpen ;};_ba :=MakeDict ();_ba .Set ("\u0054\u0079\u0070\u0065",MakeName ("C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"));_ba .Set ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et",MakeName (string (_gacf )));
_ba .Set ("\u0043\u0046\u004d",MakeName (_eecf .Name ()));_ba .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_eecf .KeyLength ())));return _ba ;};

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

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

// UpdateParams updates the parameter values of the encoder.
func (_egdf *MultiEncoder )UpdateParams (params *PdfObjectDictionary ){for _ ,_feef :=range _egdf ._adea {_feef .UpdateParams (params );};};func (_feefg *PdfParser )traceStreamLength (_ffaeg PdfObject )(PdfObject ,error ){_gdca ,_ffag :=_ffaeg .(*PdfObjectReference );
if _ffag {_fbad ,_fccdc :=_feefg ._aggab [_gdca .ObjectNumber ];if _fccdc &&_fbad {_c .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 ,_df .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_feefg ._aggab [_gdca .ObjectNumber ]=true ;};_cfag ,_bebaa :=_feefg .Resolve (_ffaeg );if _bebaa !=nil {return nil ,_bebaa ;
};_c .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_cfag );if _ffag {_feefg ._aggab [_gdca .ObjectNumber ]=false ;};return _cfag ,nil ;};

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

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

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

// 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 )(_fgbcb *PdfObjectStreams ,_bcdgc bool ){_fgbcb ,_bcdgc =obj .(*PdfObjectStreams );return _fgbcb ,_bcdgc ;};func _gbd (_becf *_fg .StdEncryptDict ,_gfgc *PdfObjectDictionary )error {R ,_afe :=_gfgc .Get ("\u0052").(*PdfObjectInteger );
if !_afe {return _df .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 _ab .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0052 \u0028\u0025\u0064\u0029",*R );
};_becf .R =int (*R );O ,_afe :=_gfgc .GetString ("\u004f");if !_afe {return _df .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 _becf .R ==5||_becf .R ==6{if len (O )< 48{return _ab .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 _ab .Errorf ("L\u0065n\u0067\u0074\u0068\u0028\u004f\u0029\u0020\u0021=\u0020\u0033\u0032\u0020(%\u0064\u0029",len (O ));};_becf .O =[]byte (O );U ,_afe :=_gfgc .GetString ("\u0055");if !_afe {return _df .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 _becf .R ==5||_becf .R ==6{if len (U )< 48{return _ab .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{_c .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 ));
};_becf .U =[]byte (U );if _becf .R >=5{OE ,_dfgb :=_gfgc .GetString ("\u004f\u0045");if !_dfgb {return _df .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 _ab .Errorf ("L\u0065\u006e\u0067\u0074h(\u004fE\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (OE ));};_becf .OE =[]byte (OE );UE ,_dfgb :=_gfgc .GetString ("\u0055\u0045");if !_dfgb {return _df .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 _ab .Errorf ("L\u0065\u006e\u0067\u0074h(\u0055E\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (UE ));};_becf .UE =[]byte (UE );};P ,_afe :=_gfgc .Get ("\u0050").(*PdfObjectInteger );if !_afe {return _df .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");
};_becf .P =_fg .Permissions (*P );if _becf .R ==6{Perms ,_gbdc :=_gfgc .GetString ("\u0050\u0065\u0072m\u0073");if !_gbdc {return _df .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 _ab .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 ));};_becf .Perms =[]byte (Perms );};if _cfd ,_ged :=_gfgc .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_ged {_becf .EncryptMetadata =bool (*_cfd );}else {_becf .EncryptMetadata =true ;};return nil ;};func (_aaea *PdfParser )checkLinearizedInformation (_cfea *PdfObjectDictionary )(bool ,error ){var _gdcc error ;_aaea ._faf ,_gdcc =GetNumberAsInt64 (_cfea .Get ("\u004c"));
if _gdcc !=nil {return false ,_gdcc ;};_gdcc =_aaea .seekToEOFMarker (_aaea ._faf );switch _gdcc {case nil :return true ,nil ;case _gabd :return false ,nil ;default:return false ,_gdcc ;};};

// HasNonConformantStream implements core.ParserMetadata.
func (_bbf ParserMetadata )HasNonConformantStream ()bool {return _bbf ._gccg };

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

// DCTEncoder provides a DCT (JPG) encoding/decoding functionality for images.
type DCTEncoder struct{ColorComponents int ;BitsPerComponent int ;Width int ;Height int ;Quality int ;Decode []float64 ;};

// GetStringBytes is like GetStringVal except that it returns the string as a []byte.
// It is for convenience.
func GetStringBytes (obj PdfObject )(_bdcd []byte ,_gbdag bool ){_gefff ,_gbdag :=TraceToDirectObject (obj ).(*PdfObjectString );if _gbdag {return _gefff .Bytes (),true ;};return ;};type cryptFilters map[string ]_cb .Filter ;

// StreamEncoder represents the interface for all PDF stream encoders.
type StreamEncoder interface{GetFilterName ()string ;MakeDecodeParams ()PdfObject ;MakeStreamDict ()*PdfObjectDictionary ;UpdateParams (_bdd *PdfObjectDictionary );EncodeBytes (_eae []byte )([]byte ,error );DecodeBytes (_bcb []byte )([]byte ,error );DecodeStream (_edbe *PdfObjectStream )([]byte ,error );
};func (_afa *PdfCrypt )checkAccessRights (_cac []byte )(bool ,_fg .Permissions ,error ){_abbe :=_afa .securityHandler ();_geda ,_bag ,_agc :=_abbe .Authenticate (&_afa ._cdd ,_cac );if _agc !=nil {return false ,0,_agc ;}else if _bag ==0||len (_geda )==0{return false ,0,nil ;
};return true ,_bag ,nil ;};

// String returns a string describing `null`.
func (_bbaf *PdfObjectNull )String ()string {return "\u006e\u0075\u006c\u006c"};var _fdgd =_gcd .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");

// Read implementation of Read interface.
func (_gfag *limitedReadSeeker )Read (p []byte )(_cecd int ,_adc error ){_badde ,_adc :=_gfag ._fbgc .Seek (0,_abb .SeekCurrent );if _adc !=nil {return 0,_adc ;};_bfge :=_gfag ._edcb -_badde ;if _bfge ==0{return 0,_abb .EOF ;};if _dcec :=int64 (len (p ));
_dcec < _bfge {_bfge =_dcec ;};_deea :=make ([]byte ,_bfge );_cecd ,_adc =_gfag ._fbgc .Read (_deea );copy (p ,_deea );return _cecd ,_adc ;};func _dgec (_bbce string )(PdfObjectReference ,error ){_fbbd :=PdfObjectReference {};_ebce :=_fag .FindStringSubmatch (_bbce );
if len (_ebce )< 3{_c .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");return _fbbd ,_df .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};_edabb ,_ :=_dd .Atoi (_ebce [1]);_bcgcb ,_ :=_dd .Atoi (_ebce [2]);_fbbd .ObjectNumber =int64 (_edabb );_fbbd .GenerationNumber =int64 (_bcgcb );return _fbbd ,nil ;};type objectStreams map[int ]objectStream ;const _fbgfb =6;

// PdfObjectInteger represents the primitive PDF integer numerical object.
type PdfObjectInteger int64 ;

// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_aagf *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _acgb _fc .Buffer ;_fbea :=_fc .NewReader (encoded );var _ddbf _abb .ReadCloser ;if _aagf .EarlyChange ==1{_ddbf =_fa .NewReader (_fbea ,_fa .MSB ,8);}else {_ddbf =_dc .NewReader (_fbea ,_dc .MSB ,8);
};defer _ddbf .Close ();if _ ,_eage :=_acgb .ReadFrom (_ddbf );_eage !=nil {if _eage !=_abb .ErrUnexpectedEOF ||_acgb .Len ()==0{return nil ,_eage ;};_c .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",_eage );
};return _acgb .Bytes (),nil ;};

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

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_cagf *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_fdgc :=encoded ;var _cbfc error ;for _ ,_bgada :=range _cagf ._adea {_c .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",_bgada ,_bgada );
_fdgc ,_cbfc =_bgada .DecodeBytes (_fdgc );if _cbfc !=nil {return nil ,_cbfc ;};};return _fdgc ,nil ;};

// HasInvalidSeparationAfterXRef implements core.ParserMetadata interface.
func (_dbed ParserMetadata )HasInvalidSeparationAfterXRef ()bool {return _dbed ._ccc };

// MakeDict creates and returns an empty PdfObjectDictionary.
func MakeDict ()*PdfObjectDictionary {_caddbg :=&PdfObjectDictionary {};_caddbg ._bafd =map[PdfObjectName ]PdfObject {};_caddbg ._egde =[]PdfObjectName {};_caddbg ._bbea =&_b .Mutex {};return _caddbg ;};

// 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 )(_defab *PdfObjectDictionary ,_ccaa bool ){_defab ,_ccaa =TraceToDirectObject (obj ).(*PdfObjectDictionary );return _defab ,_ccaa ;};

// MakeObjectStreams creates an PdfObjectStreams from a list of PdfObjects.
func MakeObjectStreams (objects ...PdfObject )*PdfObjectStreams {return &PdfObjectStreams {_aefa :objects };};const JB2ImageAutoThreshold =-1.0;func (_agbd *PdfParser )parseHexString ()(*PdfObjectString ,error ){_agbd ._acefe .ReadByte ();var _ggcge _fc .Buffer ;
for {_addc ,_ccdg :=_agbd ._acefe .Peek (1);if _ccdg !=nil {return MakeString (""),_ccdg ;};if _addc [0]=='>'{_agbd ._acefe .ReadByte ();break ;};_ecag ,_ :=_agbd ._acefe .ReadByte ();if _agbd ._egdfa {if _fc .IndexByte (_egac ,_ecag )==-1{_agbd ._efdb ._acbf =true ;
};};if !IsWhiteSpace (_ecag ){_ggcge .WriteByte (_ecag );};};if _ggcge .Len ()%2==1{_agbd ._efdb ._ded =true ;_ggcge .WriteRune ('0');};_bbbg ,_ :=_e .DecodeString (_ggcge .String ());return MakeHexString (string (_bbbg )),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 (_gdec *LZWEncoder )EncodeBytes (data []byte )([]byte ,error ){if _gdec .Predictor !=1{return nil ,_ab .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 _gdec .EarlyChange ==1{return nil ,_ab .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 _fgge _fc .Buffer ;_cdeg :=_dc .NewWriter (&_fgge ,_dc .MSB ,8);_cdeg .Write (data );_cdeg .Close ();return _fgge .Bytes (),nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_bgfd *JBIG2Encoder )MakeStreamDict ()*PdfObjectDictionary {_bcac :=MakeDict ();_bcac .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_bgfd .GetFilterName ()));return _bcac ;};func (_bfaef *PdfParser )parseName ()(PdfObjectName ,error ){var _aggd _fc .Buffer ;
_accg :=false ;for {_gfacf ,_dece :=_bfaef ._acefe .Peek (1);if _dece ==_abb .EOF {break ;};if _dece !=nil {return PdfObjectName (_aggd .String ()),_dece ;};if !_accg {if _gfacf [0]=='/'{_accg =true ;_bfaef ._acefe .ReadByte ();}else if _gfacf [0]=='%'{_bfaef .readComment ();
_bfaef .skipSpaces ();}else {_c .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",_gfacf ,_gfacf );return PdfObjectName (_aggd .String ()),_ab .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_gfacf [0]);
};}else {if IsWhiteSpace (_gfacf [0]){break ;}else if (_gfacf [0]=='/')||(_gfacf [0]=='[')||(_gfacf [0]=='(')||(_gfacf [0]==']')||(_gfacf [0]=='<')||(_gfacf [0]=='>'){break ;}else if _gfacf [0]=='#'{_fdfc ,_eccd :=_bfaef ._acefe .Peek (3);if _eccd !=nil {return PdfObjectName (_aggd .String ()),_eccd ;
};_aedgd ,_eccd :=_e .DecodeString (string (_fdfc [1:3]));if _eccd !=nil {_c .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");
_aggd .WriteByte ('#');_bfaef ._acefe .Discard (1);continue ;};_bfaef ._acefe .Discard (3);_aggd .Write (_aedgd );}else {_gcee ,_ :=_bfaef ._acefe .ReadByte ();_aggd .WriteByte (_gcee );};};};return PdfObjectName (_aggd .String ()),nil ;};

// 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 _cbada :=obj .(type ){case *PdfObjectFloat :return float64 (*_cbada ),nil ;case *PdfObjectInteger :return float64 (*_cbada ),nil ;case *PdfObjectReference :_edbf :=TraceToDirectObject (obj );
return GetNumberAsFloat (_edbf );case *PdfIndirectObject :return GetNumberAsFloat (_cbada .PdfObject );};return 0,ErrNotANumber ;};

// DecodeStream implements ASCII hex decoding.
func (_bdgf *ASCIIHexEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _bdgf .DecodeBytes (streamObj .Stream );};const _gbg ="\u0053\u0074\u0064C\u0046";

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

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

// For predictors
Columns int ;Colors int ;

// LZW algorithm setting.
EarlyChange int ;};

// 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 _gggdag ,_daeb :=obj .(*PdfObjectReference );_daeb {obj =_gggdag .Resolve ();};_geea ,_bebf :=obj .(*PdfIndirectObject );_dcbb :=0;for _bebf {obj =_geea .PdfObject ;_geea ,_bebf =GetIndirect (obj );
_dcbb ++;if _dcbb > _dcbcdf {_c .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",_dcbcdf );
return nil ;};};return obj ;};

// 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 )(_cafg *PdfObjectString ,_aade bool ){_cafg ,_aade =TraceToDirectObject (obj ).(*PdfObjectString );return _cafg ,_aade ;};

// 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 ;};

// UpdateParams updates the parameter values of the encoder.
func (_egba *DCTEncoder )UpdateParams (params *PdfObjectDictionary ){_eagd ,_agd :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));if _agd ==nil {_egba .ColorComponents =int (_eagd );};
_gge ,_agd :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));if _agd ==nil {_egba .BitsPerComponent =int (_gge );};_bbdf ,_agd :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));
if _agd ==nil {_egba .Width =int (_bbdf );};_cgafa ,_agd :=GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));if _agd ==nil {_egba .Height =int (_cgafa );};_bbac ,_agd :=GetNumberAsInt64 (params .Get ("\u0051u\u0061\u006c\u0069\u0074\u0079"));
if _agd ==nil {_egba .Quality =int (_bbac );};_aadc ,_ddg :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));if _ddg {_egba .Decode ,_agd =_aadc .ToFloat64Array ();if _agd !=nil {_c .Log .Error ("F\u0061\u0069\u006c\u0065\u0064\u0020\u0063\u006f\u006ev\u0065\u0072\u0074\u0069\u006e\u0067\u0020de\u0063\u006f\u0064\u0065 \u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0069\u006eto\u0020\u0061r\u0072\u0061\u0079\u0073\u003a\u0020\u0025\u0076",_agd );
};};};

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_deaa :=_fc .NewReader ([]byte (txt ));_gfcc :=&PdfParser {ObjCache :objectCache {},_dddeff :_deaa ,_acefe :_dfg .NewReader (_deaa ),_eggf :int64 (len (txt )),_aggab :map[int64 ]bool {},_acecg :make (map[*PdfParser ]*PdfParser )};
_gfcc ._ccacbg .ObjectMap =make (map[int ]XrefObject );return _gfcc ;};

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

// DecodeStream decodes a JBIG2 encoded stream and returns the result as a slice of bytes.
func (_cadc *JBIG2Encoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _cadc .DecodeBytes (streamObj .Stream );};func _afadf (_eba *PdfObjectStream ,_fgbe *PdfObjectDictionary )(*FlateEncoder ,error ){_bdc :=NewFlateEncoder ();_gedc :=_eba .PdfObjectDictionary ;
if _gedc ==nil {return _bdc ,nil ;};_bdc ._eaff =_cbdb (_gedc );if _fgbe ==nil {_bceg :=TraceToDirectObject (_gedc .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));switch _dgbb :=_bceg .(type ){case *PdfObjectArray :if _dgbb .Len ()!=1{_c .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",_dgbb .Len ());
return nil ,_df .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _ade ,_cfc :=GetDict (_dgbb .Get (0));_cfc {_fgbe =_ade ;};case *PdfObjectDictionary :_fgbe =_dgbb ;case *PdfObjectNull ,nil :default:_c .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",_bceg );
return nil ,_ab .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _fgbe ==nil {return _bdc ,nil ;};_c .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_fgbe .String ());
_caef :=_fgbe .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _caef ==nil {_c .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 {_bfbg ,_cca :=_caef .(*PdfObjectInteger );if !_cca {_c .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",_caef );
return nil ,_ab .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_bdc .Predictor =int (*_bfbg );};_caef =_fgbe .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _caef !=nil {_dcba ,_ddf :=_caef .(*PdfObjectInteger );if !_ddf {_c .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 ,_ab .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_bdc .BitsPerComponent =int (*_dcba );};if _bdc .Predictor > 1{_bdc .Columns =1;_caef =_fgbe .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _caef !=nil {_debb ,_dff :=_caef .(*PdfObjectInteger );if !_dff {return nil ,_ab .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_bdc .Columns =int (*_debb );
};_bdc .Colors =1;_caef =_fgbe .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _caef !=nil {_bdef ,_edcf :=_caef .(*PdfObjectInteger );if !_edcf {return nil ,_ab .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");
};_bdc .Colors =int (*_bdef );};};return _bdc ,nil ;};

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_dgafe *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _afbd _bb .Image ;if _dgafe .ColorComponents ==1&&_dgafe .BitsPerComponent ==8{_afbd =&_bb .Gray {Rect :_bb .Rect (0,0,_dgafe .Width ,_dgafe .Height ),Pix :data ,Stride :_ce .BytesPerLine (_dgafe .Width ,_dgafe .BitsPerComponent ,_dgafe .ColorComponents )};
}else {var _def error ;_afbd ,_def =_ce .NewImage (_dgafe .Width ,_dgafe .Height ,_dgafe .BitsPerComponent ,_dgafe .ColorComponents ,data ,nil ,nil );if _def !=nil {return nil ,_def ;};};_dfae :=_a .Options {};_dfae .Quality =_dgafe .Quality ;var _adeb _fc .Buffer ;
if _egab :=_a .Encode (&_adeb ,_afbd ,&_dfae );_egab !=nil {return nil ,_egab ;};return _adeb .Bytes (),nil ;};

// String returns the state of the bool as "true" or "false".
func (_aagfg *PdfObjectBool )String ()string {if *_aagfg {return "\u0074\u0072\u0075\u0065";};return "\u0066\u0061\u006cs\u0065";};func _cbdb (_bced *PdfObjectDictionary )(_dede *_ce .ImageBase ){var (_edfb *PdfObjectInteger ;_aabc bool ;);if _edfb ,_aabc =_bced .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );
_aabc {_dede =&_ce .ImageBase {Width :int (*_edfb )};}else {return nil ;};if _edfb ,_aabc =_bced .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );_aabc {_dede .Height =int (*_edfb );};if _edfb ,_aabc =_bced .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );
_aabc {_dede .BitsPerComponent =int (*_edfb );};if _edfb ,_aabc =_bced .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );_aabc {_dede .ColorComponents =int (*_edfb );};return _dede ;};func _ebd (_egbg *PdfObjectStream ,_bcgbd *PdfObjectDictionary )(*LZWEncoder ,error ){_ggge :=NewLZWEncoder ();
_gbc :=_egbg .PdfObjectDictionary ;if _gbc ==nil {return _ggge ,nil ;};if _bcgbd ==nil {_fff :=TraceToDirectObject (_gbc .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _fff !=nil {if _efgcd ,_cacc :=_fff .(*PdfObjectDictionary );
_cacc {_bcgbd =_efgcd ;}else if _gagg ,_bgac :=_fff .(*PdfObjectArray );_bgac {if _gagg .Len ()==1{if _ccfa ,_ege :=GetDict (_gagg .Get (0));_ege {_bcgbd =_ccfa ;};};};if _bcgbd ==nil {_c .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",_fff );
return nil ,_ab .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_agfc :=_gbc .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _agfc !=nil {_agae ,_gcgb :=_agfc .(*PdfObjectInteger );
if !_gcgb {_c .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",_agfc );
return nil ,_ab .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_agae !=0&&*_agae !=1{return nil ,_ab .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");
};_ggge .EarlyChange =int (*_agae );}else {_ggge .EarlyChange =1;};if _bcgbd ==nil {return _ggge ,nil ;};if _cgad ,_cdgd :=GetIntVal (_bcgbd .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_cdgd {if _cgad ==0||_cgad ==1{_ggge .EarlyChange =_cgad ;
}else {_c .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",_cgad );};};_agfc =_bcgbd .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _agfc !=nil {_ebad ,_gbca :=_agfc .(*PdfObjectInteger );if !_gbca {_c .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",_agfc );
return nil ,_ab .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_ggge .Predictor =int (*_ebad );};_agfc =_bcgbd .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _agfc !=nil {_cbgca ,_ecce :=_agfc .(*PdfObjectInteger );if !_ecce {_c .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 ,_ab .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_ggge .BitsPerComponent =int (*_cbgca );};if _ggge .Predictor > 1{_ggge .Columns =1;_agfc =_bcgbd .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _agfc !=nil {_aacg ,_cbcf :=_agfc .(*PdfObjectInteger );if !_cbcf {return nil ,_ab .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_ggge .Columns =int (*_aacg );
};_ggge .Colors =1;_agfc =_bcgbd .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _agfc !=nil {_eeb ,_ccca :=_agfc .(*PdfObjectInteger );if !_ccca {return nil ,_ab .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");
};_ggge .Colors =int (*_eeb );};};_c .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_bcgbd .String ());return _ggge ,nil ;};func _gfdbd (_dcac ,_bacf ,_afce uint8 )uint8 {_bggf :=int (_afce );
_ccddd :=int (_bacf )-_bggf ;_defe :=int (_dcac )-_bggf ;_bggf =_eefcb (_ccddd +_defe );_ccddd =_eefcb (_ccddd );_defe =_eefcb (_defe );if _ccddd <=_defe &&_ccddd <=_bggf {return _dcac ;}else if _defe <=_bggf {return _bacf ;};return _afce ;};

// 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 (_bgadf *MultiEncoder )GetFilterName ()string {_gdebg :="";for _cdfa ,_baff :=range _bgadf ._adea {_gdebg +=_baff .GetFilterName ();if _cdfa < len (_bgadf ._adea )-1{_gdebg +="\u0020";};};return _gdebg ;};

// HasInvalidHexRunes implements core.ParserMetadata interface.
func (_agbf ParserMetadata )HasInvalidHexRunes ()bool {return _agbf ._acbf };

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_ccd *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_fbf ,_cgaf :=obj .(*PdfObjectReference );if !_cgaf {return obj ,nil ;};_dde :=_ccd .GetFileOffset ();defer func (){_ccd .SetFileOffset (_dde )}();_dcbc ,_cab :=_ccd .LookupByReference (*_fbf );
if _cab !=nil {return nil ,_cab ;};_fbfe ,_dga :=_dcbc .(*PdfIndirectObject );if !_dga {return _dcbc ,nil ;};_dcbc =_fbfe .PdfObject ;_ ,_cgaf =_dcbc .(*PdfObjectReference );if _cgaf {return _fbfe ,_df .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 _dcbc ,nil ;};func (_gefga *ASCII85Encoder )base256Tobase85 (_fgcb uint32 )[5]byte {_gbeg :=[5]byte {0,0,0,0,0};_ggbe :=_fgcb ;for _baac :=0;_baac < 5;_baac ++{_fcff :=uint32 (1);for _acfbe :=0;_acfbe < 4-_baac ;_acfbe ++{_fcff *=85;};_gbff :=_ggbe /_fcff ;
_ggbe =_ggbe %_fcff ;_gbeg [_baac ]=byte (_gbff );};return _gbeg ;};

// NewRunLengthEncoder makes a new run length encoder
func NewRunLengthEncoder ()*RunLengthEncoder {return &RunLengthEncoder {}};

// DecodeStream decodes a JPX encoded stream and returns the result as a
// slice of bytes.
func (_ccdd *JPXEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_c .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",_ccdd .GetFilterName ());
return streamObj .Stream ,ErrNoJPXDecode ;};

// 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 ){_bbeg :=&PdfCrypt {_eed :false ,_aga :make (map[PdfObject ]bool ),_fba :make (map[PdfObject ]bool ),_ccfb :make (map[int ]struct{}),_ega :parser };_edbd ,_efg :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_efg {_c .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 _bbeg ,_df .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 *_edbd !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_c .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",*_edbd );
return _bbeg ,_df .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_bbeg ._cfa .Filter =string (*_edbd );if _bcd ,_aag :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_aag {_bbeg ._cfa .SubFilter =_bcd .Str ();
_c .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_bcd );};if L ,_bdb :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_bdb {if (*L %8)!=0{_c .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 _bbeg ,_df .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_bbeg ._cfa .Length =int (*L );}else {_bbeg ._cfa .Length =40;};_bbeg ._cfa .V =0;if _fbag ,_dgf :=ed .Get ("\u0056").(*PdfObjectInteger );
_dgf {V :=int (*_fbag );_bbeg ._cfa .V =V ;if V >=1&&V <=2{_bbeg ._eedf =_ebb (_bbeg ._cfa .Length );}else if V >=4&&V <=5{if _ddbd :=_bbeg .loadCryptFilters (ed );_ddbd !=nil {return _bbeg ,_ddbd ;};}else {_c .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 _bbeg ,_df .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _egd :=_gbd (&_bbeg ._cdd ,ed );_egd !=nil {return _bbeg ,_egd ;};_dae :="";if _bcf ,_dgfa :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_dgfa &&_bcf .Len ()>=1{_fbae ,_fac :=GetString (_bcf .Get (0));if !_fac {return _bbeg ,_df .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_dae =_fbae .Str ();}else {_c .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");
};_bbeg ._bbgf =_dae ;return _bbeg ,nil ;};

// 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 )(_ebeffc bool ,_dgga bool ){_agbaf ,_dgga :=TraceToDirectObject (obj ).(*PdfObjectBool );if _dgga {return bool (*_agbaf ),true ;};return false ,false ;};

// EncodeBytes encodes the passed in slice of bytes by passing it through the
// EncodeBytes method of the underlying encoders.
func (_cfebe *MultiEncoder )EncodeBytes (data []byte )([]byte ,error ){_gddd :=data ;var _edfc error ;for _begb :=len (_cfebe ._adea )-1;_begb >=0;_begb --{_bgfb :=_cfebe ._adea [_begb ];_gddd ,_edfc =_bgfb .EncodeBytes (_gddd );if _edfc !=nil {return nil ,_edfc ;
};};return _gddd ,nil ;};func (_dgcc *PdfParser )readComment ()(string ,error ){var _agef _fc .Buffer ;_ ,_ffgg :=_dgcc .skipSpaces ();if _ffgg !=nil {return _agef .String (),_ffgg ;};_gafe :=true ;for {_feee ,_eebd :=_dgcc ._acefe .Peek (1);if _eebd !=nil {_c .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_eebd .Error ());
return _agef .String (),_eebd ;};if _gafe &&_feee [0]!='%'{return _agef .String (),_df .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");};_gafe =false ;if (_feee [0]!='\r')&&(_feee [0]!='\n'){_bbgfg ,_ :=_dgcc ._acefe .ReadByte ();
_agef .WriteByte (_bbgfg );}else {break ;};};return _agef .String (),nil ;};

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

// String returns a descriptive information string about the encryption method used.
func (_bf *PdfCrypt )String ()string {if _bf ==nil {return "";};_gggd :=_bf ._cfa .Filter +"\u0020\u002d\u0020";if _bf ._cfa .V ==0{_gggd +="\u0055\u006e\u0064\u006fcu\u006d\u0065\u006e\u0074\u0065\u0064\u0020\u0061\u006c\u0067\u006f\u0072\u0069\u0074h\u006d";
}else if _bf ._cfa .V ==1{_gggd +="\u0052\u0043\u0034:\u0020\u0034\u0030\u0020\u0062\u0069\u0074\u0073";}else if _bf ._cfa .V ==2{_gggd +=_ab .Sprintf ("\u0052\u0043\u0034:\u0020\u0025\u0064\u0020\u0062\u0069\u0074\u0073",_bf ._cfa .Length );}else if _bf ._cfa .V ==3{_gggd +="U\u006e\u0070\u0075\u0062li\u0073h\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d";
}else if _bf ._cfa .V >=4{_gggd +=_ab .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",_bf ._bec ,_bf ._aeec );
_gggd +="\u003b\u0020C\u0072\u0079\u0070t\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0073\u003a";for _ceg ,_fbc :=range _bf ._eedf {_gggd +=_ab .Sprintf ("\u0020\u002d\u0020\u0025\u0073\u003a\u0020\u0025\u0073 \u0028\u0025\u0064\u0029",_ceg ,_fbc .Name (),_fbc .KeyLength ());
};};_eaf :=_bf .GetAccessPermissions ();_gggd +=_ab .Sprintf ("\u0020\u002d\u0020\u0025\u0023\u0076",_eaf );return _gggd ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_babb *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_badd :=MakeDict ();_badd .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_babb .GetFilterArray ());for _ ,_ffdf :=range _babb ._adea {_bbbe :=_ffdf .MakeStreamDict ();for _ ,_fcffd :=range _bbbe .Keys (){_baffg :=_bbbe .Get (_fcffd );
if _fcffd !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_fcffd !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_badd .Set (_fcffd ,_baffg );};};};_cgdd :=_babb .MakeDecodeParams ();if _cgdd !=nil {_badd .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_cgdd );
};return _badd ;};

// 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 (_bbaag *PdfObjectDictionary )Merge (another *PdfObjectDictionary )*PdfObjectDictionary {if another !=nil {for _ ,_dgecg :=range another .Keys (){_dbfac :=another .Get (_dgecg );_bbaag .Set (_dgecg ,_dbfac );};};return _bbaag ;};

// WriteString outputs the object as it is to be written to file.
func (_adae *PdfIndirectObject )WriteString ()string {var _bfdg _be .Builder ;_bfdg .WriteString (_dd .FormatInt (_adae .ObjectNumber ,10));_bfdg .WriteString ("\u0020\u0030\u0020\u0052");return _bfdg .String ();};

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

// EncodeStream encodes the stream data using the encoded specified by the stream's dictionary.
func EncodeStream (streamObj *PdfObjectStream )error {_c .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0020\u0073\u0074\u0072\u0065\u0061\u006d");_gcbaf ,_egbe :=NewEncoderFromStream (streamObj );if _egbe !=nil {_c .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",_egbe );
return _egbe ;};if _cggd ,_bfac :=_gcbaf .(*LZWEncoder );_bfac {_cggd .EarlyChange =0;streamObj .PdfObjectDictionary .Set ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065",MakeInteger (0));};_c .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076\u000a",_gcbaf );
_abbb ,_egbe :=_gcbaf .EncodeBytes (streamObj .Stream );if _egbe !=nil {_c .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",_egbe );return _egbe ;
};streamObj .Stream =_abbb ;streamObj .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_abbb ))));return nil ;};func _ggad (_cbbcac *PdfObjectStream ,_caaf *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;
};

// UpdateParams updates the parameter values of the encoder.
// Implements StreamEncoder interface.
func (_cabf *JBIG2Encoder )UpdateParams (params *PdfObjectDictionary ){_cbagb ,_aadf :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));if _aadf ==nil {_cabf .BitsPerComponent =int (_cbagb );
};_cddb ,_aadf :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));if _aadf ==nil {_cabf .Width =int (_cddb );};_ddeaa ,_aadf :=GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));if _aadf ==nil {_cabf .Height =int (_ddeaa );
};_bdgfe ,_aadf :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));if _aadf ==nil {_cabf .ColorComponents =int (_bdgfe );};};func (_dgagb *PdfParser )parseString ()(*PdfObjectString ,error ){_dgagb ._acefe .ReadByte ();
var _gfed _fc .Buffer ;_cfaa :=1;for {_edbcg ,_badb :=_dgagb ._acefe .Peek (1);if _badb !=nil {return MakeString (_gfed .String ()),_badb ;};if _edbcg [0]=='\\'{_dgagb ._acefe .ReadByte ();_agbb ,_gdac :=_dgagb ._acefe .ReadByte ();if _gdac !=nil {return MakeString (_gfed .String ()),_gdac ;
};if IsOctalDigit (_agbb ){_efacb ,_gbde :=_dgagb ._acefe .Peek (2);if _gbde !=nil {return MakeString (_gfed .String ()),_gbde ;};var _ffge []byte ;_ffge =append (_ffge ,_agbb );for _ ,_afcd :=range _efacb {if IsOctalDigit (_afcd ){_ffge =append (_ffge ,_afcd );
}else {break ;};};_dgagb ._acefe .Discard (len (_ffge )-1);_c .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_ffge );_fffe ,_gbde :=_dd .ParseUint (string (_ffge ),8,32);if _gbde !=nil {return MakeString (_gfed .String ()),_gbde ;
};_gfed .WriteByte (byte (_fffe ));continue ;};switch _agbb {case 'n':_gfed .WriteRune ('\n');case 'r':_gfed .WriteRune ('\r');case 't':_gfed .WriteRune ('\t');case 'b':_gfed .WriteRune ('\b');case 'f':_gfed .WriteRune ('\f');case '(':_gfed .WriteRune ('(');
case ')':_gfed .WriteRune (')');case '\\':_gfed .WriteRune ('\\');};continue ;}else if _edbcg [0]=='('{_cfaa ++;}else if _edbcg [0]==')'{_cfaa --;if _cfaa ==0{_dgagb ._acefe .ReadByte ();break ;};};_effg ,_ :=_dgagb ._acefe .ReadByte ();_gfed .WriteByte (_effg );
};return MakeString (_gfed .String ()),nil ;};

// 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 (_gbgb *PdfObjectArray )ToIntegerArray ()([]int ,error ){var _cdec []int ;for _ ,_ddbde :=range _gbgb .Elements (){if _acbg ,_gada :=_ddbde .(*PdfObjectInteger );_gada {_cdec =append (_cdec ,int (*_acbg ));}else {return nil ,ErrTypeError ;};};return _cdec ,nil ;
};

// ToGoImage converts the JBIG2Image to the golang image.Image.
func (_gade *JBIG2Image )ToGoImage ()(_bb .Image ,error ){const _dbba ="J\u0042I\u0047\u0032\u0049\u006d\u0061\u0067\u0065\u002eT\u006f\u0047\u006f\u0049ma\u0067\u0065";if _gade .Data ==nil {return nil ,_ca .Error (_dbba ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");
};if _gade .Width ==0||_gade .Height ==0{return nil ,_ca .Error (_dbba ,"\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");
};_cccg ,_ccacb :=_ce .NewImage (_gade .Width ,_gade .Height ,1,1,_gade .Data ,nil ,nil );if _ccacb !=nil {return nil ,_ccacb ;};return _cccg ,nil ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_gced *FlateEncoder )MakeDecodeParams ()PdfObject {if _gced .Predictor > 1{_gdfa :=MakeDict ();_gdfa .Set ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr",MakeInteger (int64 (_gced .Predictor )));if _gced .BitsPerComponent !=8{_gdfa .Set ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074",MakeInteger (int64 (_gced .BitsPerComponent )));
};if _gced .Columns !=1{_gdfa .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_gced .Columns )));};if _gced .Colors !=1{_gdfa .Set ("\u0043\u006f\u006c\u006f\u0072\u0073",MakeInteger (int64 (_gced .Colors )));};return _gdfa ;};return nil ;
};func (_cbb *PdfCrypt )makeKey (_cdea string ,_dbe ,_fcg uint32 ,_cbeg []byte )([]byte ,error ){_aed ,_cdee :=_cbb ._eedf [_cdea ];if !_cdee {return nil ,_ab .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_cdea );
};return _aed .MakeKey (_dbe ,_fcg ,_cbeg );};

// DecodeStream decodes a FlateEncoded stream object and give back decoded bytes.
func (_fbg *FlateEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_c .Log .Trace ("\u0046l\u0061t\u0065\u0044\u0065\u0063\u006fd\u0065\u0020s\u0074\u0072\u0065\u0061\u006d");_c .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_fbg .Predictor );
if _fbg .BitsPerComponent !=8{return nil ,_ab .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",_fbg .BitsPerComponent );
};_cgab ,_dedg :=_fbg .DecodeBytes (streamObj .Stream );if _dedg !=nil {return nil ,_dedg ;};_cgab ,_dedg =_fbg .postDecodePredict (_cgab );if _dedg !=nil {return nil ,_dedg ;};return _cgab ,nil ;};

// 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 ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_dfb *CCITTFaxEncoder )MakeStreamDict ()*PdfObjectDictionary {_dgda :=MakeDict ();_dgda .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_dfb .GetFilterName ()));_dgda .SetIfNotNil ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_dfb .MakeDecodeParams ());
return _dgda ;};func _eggge ()string {return _c .Version };

// 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 )(_ffbd string ,_fdgde bool ){_cddfe ,_fdgde :=TraceToDirectObject (obj ).(*PdfObjectName );if _fdgde {return string (*_cddfe ),true ;};return ;};

// Seek implementation of Seek interface.
func (_dgae *limitedReadSeeker )Seek (offset int64 ,whence int )(int64 ,error ){var _dgbca int64 ;switch whence {case _abb .SeekStart :_dgbca =offset ;case _abb .SeekCurrent :_cfdc ,_cee :=_dgae ._fbgc .Seek (0,_abb .SeekCurrent );if _cee !=nil {return 0,_cee ;
};_dgbca =_cfdc +offset ;case _abb .SeekEnd :_dgbca =_dgae ._edcb +offset ;};if _gegb :=_dgae .getError (_dgbca );_gegb !=nil {return 0,_gegb ;};if _ ,_bgge :=_dgae ._fbgc .Seek (_dgbca ,_abb .SeekStart );_bgge !=nil {return 0,_bgge ;};return _dgbca ,nil ;
};

// 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 _fdbcb (obj1 ,obj2 ,0)};

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

// MakeBool creates a PdfObjectBool from a bool value.
func MakeBool (val bool )*PdfObjectBool {_dcg :=PdfObjectBool (val );return &_dcg };func (_dcag *PdfParser )resolveReference (_edga *PdfObjectReference )(PdfObject ,bool ,error ){_gcgbg ,_badg :=_dcag .ObjCache [int (_edga .ObjectNumber )];if _badg {return _gcgbg ,true ,nil ;
};_dfdb ,_acdee :=_dcag .LookupByReference (*_edga );if _acdee !=nil {return nil ,false ,_acdee ;};_dcag .ObjCache [int (_edga .ObjectNumber )]=_dfdb ;return _dfdb ,false ,nil ;};

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_ecgf *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _fdd []byte ;_c .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_gcgg :=0;_agbgc :=false ;for _gcgg < len (encoded )&&!_agbgc {_dbb :=[5]byte {0,0,0,0,0};
_aca :=0;_caaa :=0;_geae :=4;for _caaa < 5+_aca {if _gcgg +_caaa ==len (encoded ){break ;};_bffe :=encoded [_gcgg +_caaa ];if IsWhiteSpace (_bffe ){_aca ++;_caaa ++;continue ;}else if _bffe =='~'&&_gcgg +_caaa +1< len (encoded )&&encoded [_gcgg +_caaa +1]=='>'{_geae =(_caaa -_aca )-1;
if _geae < 0{_geae =0;};_agbgc =true ;break ;}else if _bffe >='!'&&_bffe <='u'{_bffe -='!';}else if _bffe =='z'&&_caaa -_aca ==0{_geae =4;_caaa ++;break ;}else {_c .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 ,_df .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_dbb [_caaa -_aca ]=_bffe ;_caaa ++;};_gcgg +=_caaa ;for _dddef :=_geae +1;_dddef < 5;_dddef ++{_dbb [_dddef ]=84;
};_ffdd :=uint32 (_dbb [0])*85*85*85*85+uint32 (_dbb [1])*85*85*85+uint32 (_dbb [2])*85*85+uint32 (_dbb [3])*85+uint32 (_dbb [4]);_cdad :=[]byte {byte ((_ffdd >>24)&0xff),byte ((_ffdd >>16)&0xff),byte ((_ffdd >>8)&0xff),byte (_ffdd &0xff)};_fdd =append (_fdd ,_cdad [:_geae ]...);
};_c .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_c .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_fdd );
return _fdd ,nil ;};func (_egcb *PdfCrypt )loadCryptFilters (_dba *PdfObjectDictionary )error {_egcb ._eedf =cryptFilters {};_ebf :=_dba .Get ("\u0043\u0046");_ebf =TraceToDirectObject (_ebf );if _egg ,_fcc :=_ebf .(*PdfObjectReference );_fcc {_ebbe ,_caa :=_egcb ._ega .LookupByReference (*_egg );
if _caa !=nil {_c .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 _caa ;};_ebf =TraceToDirectObject (_ebbe );};_ebfd ,_ecf :=_ebf .(*PdfObjectDictionary );
if !_ecf {_c .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_ebf );return _df .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");};for _ ,_da :=range _ebfd .Keys (){_acg :=_ebfd .Get (_da );
if _aad ,_beb :=_acg .(*PdfObjectReference );_beb {_dfga ,_fcca :=_egcb ._ega .LookupByReference (*_aad );if _fcca !=nil {_c .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 _fcca ;};_acg =TraceToDirectObject (_dfga );};_edf ,_acfc :=_acg .(*PdfObjectDictionary );if !_acfc {return _ab .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",_da ,_acg );
};if _da =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_c .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 _cad _cb .FilterDict ;if _afcg :=_ggg (&_cad ,_edf );_afcg !=nil {return _afcg ;};_abd ,_cgeed :=_cb .NewFilter (_cad );if _cgeed !=nil {return _cgeed ;};_egcb ._eedf [string (_da )]=_abd ;};_egcb ._eedf ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_cb .NewIdentity ();
_egcb ._aeec ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _fae ,_gad :=_dba .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_gad {if _ ,_cdg :=_egcb ._eedf [string (*_fae )];!_cdg {return _ab .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",*_fae );
};_egcb ._aeec =string (*_fae );};_egcb ._bec ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _bbd ,_ef :=_dba .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_ef {if _ ,_gbee :=_egcb ._eedf [string (*_bbd )];!_gbee {return _ab .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",*_bbd );
};_egcb ._bec =string (*_bbd );};return nil ;};

// String returns a string describing `d`.
func (_agcb *PdfObjectDictionary )String ()string {var _abag _be .Builder ;_abag .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_ecbg :=range _agcb ._egde {_abga :=_agcb ._bafd [_ecbg ];_abag .WriteString ("\u0022"+_ecbg .String ()+"\u0022\u003a\u0020");
_abag .WriteString (_abga .String ());_abag .WriteString ("\u002c\u0020");};_abag .WriteString ("\u0029");return _abag .String ();};

// IsHexadecimal checks if the PdfObjectString contains Hexadecimal data.
func (_bacg *PdfObjectString )IsHexadecimal ()bool {return _bacg ._fbeb };

// Set sets the dictionary's key -> val mapping entry. Overwrites if key already set.
func (_bcdga *PdfObjectDictionary )Set (key PdfObjectName ,val PdfObject ){_bcdga .setWithLock (key ,val ,true );};

// ParserMetadata gets the pdf parser metadata.
func (_dgdg *PdfParser )ParserMetadata ()(ParserMetadata ,error ){if !_dgdg ._egdfa {return ParserMetadata {},_ab .Errorf ("\u0070\u0061\u0072\u0073\u0065r\u0020\u0077\u0061\u0073\u0020\u006e\u006f\u0074\u0020\u006d\u0061\u0072\u006be\u0064\u0020\u0066\u006f\u0072\u0020\u0067\u0065\u0074\u0074\u0069\u006e\u0067\u0020\u0064\u0065\u0074\u0061\u0069\u006c\u0065\u0064\u0020\u006d\u0065\u0074\u0061\u0064\u0061\u0074a");
};return _dgdg ._efdb ,nil ;};

// 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 (_acd *FlateEncoder )SetPredictor (columns int ){_acd .Predictor =11;_acd .Columns =columns };

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

// Resolve resolves the reference and returns the indirect or stream object.
// If the reference cannot be resolved, a *PdfObjectNull object is returned.
func (_cfcd *PdfObjectReference )Resolve ()PdfObject {if _cfcd ._abde ==nil {return MakeNull ();};_bbdb ,_ ,_cggf :=_cfcd ._abde .resolveReference (_cfcd );if _cggf !=nil {_c .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",_cggf );
return MakeNull ();};if _bbdb ==nil {_c .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 _bbdb ;};func (_bce *PdfCrypt )encryptBytes (_gag []byte ,_gfgd string ,_bebc []byte )([]byte ,error ){_c .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");_ead ,_dec :=_bce ._eedf [_gfgd ];
if !_dec {return nil ,_ab .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_gfgd );};return _ead .EncryptBytes (_gag ,_bebc );};type objectCache map[int ]PdfObject ;

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

// NewJPXEncoder returns a new instance of JPXEncoder.
func NewJPXEncoder ()*JPXEncoder {return &JPXEncoder {}};func _fdf (_gcdd PdfObject )(int64 ,int64 ,error ){if _gfg ,_gfge :=_gcdd .(*PdfIndirectObject );_gfge {return _gfg .ObjectNumber ,_gfg .GenerationNumber ,nil ;};if _ffg ,_gca :=_gcdd .(*PdfObjectStream );
_gca {return _ffg .ObjectNumber ,_ffg .GenerationNumber ,nil ;};return 0,0,_df .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");};

// HasInvalidSubsectionHeader implements core.ParserMetadata interface.
func (_efd ParserMetadata )HasInvalidSubsectionHeader ()bool {return _efd ._bea };func (_bgef *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_ecdb :=_bgef ._acefe .Discard (4);return PdfObjectNull {},_ecdb ;};

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

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

// WriteString outputs the object as it is to be written to file.
func (_fgddc *PdfObjectDictionary )WriteString ()string {var _aefc _be .Builder ;_aefc .WriteString ("\u003c\u003c");for _ ,_fgca :=range _fgddc ._egde {_dabcae :=_fgddc ._bafd [_fgca ];_aefc .WriteString (_fgca .WriteString ());_aefc .WriteString ("\u0020");
_aefc .WriteString (_dabcae .WriteString ());};_aefc .WriteString ("\u003e\u003e");return _aefc .String ();};

// GetPreviousRevisionReadSeeker returns ReadSeeker for the previous version of the Pdf document.
func (_cdead *PdfParser )GetPreviousRevisionReadSeeker ()(_abb .ReadSeeker ,error ){if _bdgb :=_cdead .seekToEOFMarker (_cdead ._eggf -_fbgfb );_bdgb !=nil {return nil ,_bdgb ;};_eeccg ,_eece :=_cdead ._dddeff .Seek (0,_abb .SeekCurrent );if _eece !=nil {return nil ,_eece ;
};_eeccg +=_fbgfb ;return _ede (_cdead ._dddeff ,_eeccg );};

// 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 (_ccfec *PdfParser )Decrypt (password []byte )(bool ,error ){if _ccfec ._cdfb ==nil {return false ,_df .New ("\u0063\u0068\u0065\u0063k \u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0069\u006f\u006e\u0020\u0066\u0069\u0072s\u0074");};_adeg ,_dgbf :=_ccfec ._cdfb .authenticate (password );
if _dgbf !=nil {return false ,_dgbf ;};if !_adeg {_adeg ,_dgbf =_ccfec ._cdfb .authenticate ([]byte (""));};return _adeg ,_dgbf ;};func (_cddf *JBIG2Encoder )encodeImage (_dbfcg _bb .Image )([]byte ,error ){const _deee ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";
_fegc ,_badc :=GoImageToJBIG2 (_dbfcg ,JB2ImageAutoThreshold );if _badc !=nil {return nil ,_ca .Wrap (_badc ,_deee ,"\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 _badc =_cddf .AddPageImage (_fegc ,&_cddf .DefaultPageSettings );_badc !=nil {return nil ,_ca .Wrap (_badc ,_deee ,"");};return _cddf .Encode ();};

// GetFilterName returns the name of the encoding filter.
func (_bdcg *RawEncoder )GetFilterName ()string {return StreamEncodingFilterNameRaw };type objectStream struct{N int ;_ea []byte ;_gcg map[int ]int64 ;};

// UpdateParams updates the parameter values of the encoder.
func (_ebfc *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _fggf ,_eega :=GetNumberAsInt64 (params .Get ("\u004b"));_eega ==nil {_ebfc .K =int (_fggf );};if _gcec ,_ggbd :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_ggbd ==nil {_ebfc .Columns =int (_gcec );}else if _gcec ,_ggbd =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_ggbd ==nil {_ebfc .Columns =int (_gcec );};if _cfg ,_dgag :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_dgag ==nil {_ebfc .BlackIs1 =_cfg > 0;}else {if _dgafc ,_egae :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_egae {_ebfc .BlackIs1 =_dgafc ;}else {if _gedff ,_ecge :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_ecge {_agce ,_dggb :=_gedff .ToIntegerArray ();if _dggb ==nil {_ebfc .BlackIs1 =_agce [0]==1&&_agce [1]==0;};};};};if _ecfb ,_gcba :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_gcba ==nil {_ebfc .EncodedByteAlign =_ecfb > 0;}else {if _bgfcg ,_afdd :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_afdd {_ebfc .EncodedByteAlign =_bgfcg ;};};if _egge ,_aeac :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_aeac ==nil {_ebfc .EndOfLine =_egge > 0;}else {if _agfgd ,_cagc :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_cagc {_ebfc .EndOfLine =_agfgd ;};};if _gfaa ,_bbdfe :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));
_bbdfe ==nil {_ebfc .Rows =int (_gfaa );}else if _gfaa ,_bbdfe =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_bbdfe ==nil {_ebfc .Rows =int (_gfaa );};if _afbdb ,_fddg :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_fddg ==nil {_ebfc .EndOfBlock =_afbdb > 0;}else {if _dgfb ,_edbb :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_edbb {_ebfc .EndOfBlock =_dgfb ;};};if _ebfe ,_fgdd :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_fgdd !=nil {_ebfc .DamagedRowsBeforeError =int (_ebfe );};};type xrefType int ;

// 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 _abb .ReadSeeker )(*PdfParser ,error ){_bbfb :=&PdfParser {_dddeff :rs ,ObjCache :make (objectCache ),_aggab :map[int64 ]bool {},_fabg :make ([]int64 ,0),_acecg :make (map[*PdfParser ]*PdfParser )};_fdbge ,_fabb ,_dgaeg :=_bbfb .parsePdfVersion ();
if _dgaeg !=nil {_c .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",_dgaeg );return nil ,_dgaeg ;};_bbfb ._bccef .Major =_fdbge ;_bbfb ._bccef .Minor =_fabb ;
if _bbfb ._eeggd ,_dgaeg =_bbfb .loadXrefs ();_dgaeg !=nil {_c .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",_dgaeg );return nil ,_dgaeg ;
};_c .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_bbfb ._eeggd );_gggfb ,_dgaeg :=_bbfb .parseLinearizedDictionary ();if _dgaeg !=nil {return nil ,_dgaeg ;};if _gggfb !=nil {_bbfb ._fcac ,_dgaeg =_bbfb .checkLinearizedInformation (_gggfb );
if _dgaeg !=nil {return nil ,_dgaeg ;};};if len (_bbfb ._ccacbg .ObjectMap )==0{return nil ,_ab .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");
};_bbfb ._bece =len (_bbfb ._fabg );if _bbfb ._fcac &&_bbfb ._bece !=0{_bbfb ._bece --;};_bbfb ._bgc =make ([]*PdfParser ,_bbfb ._bece );return _bbfb ,nil ;};const _dcbcdf =10;func _ede (_gbad _abb .ReadSeeker ,_adcg int64 )(*limitedReadSeeker ,error ){_ ,_ebba :=_gbad .Seek (0,_abb .SeekStart );
if _ebba !=nil {return nil ,_ebba ;};return &limitedReadSeeker {_fbgc :_gbad ,_edcb :_adcg },nil ;};

// GetUpdatedObjects returns pdf objects which were updated from the specific version (from prevParser).
func (_dccf *PdfParser )GetUpdatedObjects (prevParser *PdfParser )(map[int64 ]PdfObject ,error ){if prevParser ==nil {return nil ,_df .New ("\u0070\u0072e\u0076\u0069\u006f\u0075\u0073\u0020\u0070\u0061\u0072\u0073\u0065\u0072\u0020\u0063\u0061\u006e\u0027\u0074\u0020\u0062\u0065\u0020nu\u006c\u006c");
};_ebef ,_begaf :=_dccf .getNumbersOfUpdatedObjects (prevParser );if _begaf !=nil {return nil ,_begaf ;};_dgabf :=make (map[int64 ]PdfObject );for _ ,_ffddg :=range _ebef {if _cacgc ,_cggc :=_dccf .LookupByNumber (_ffddg );_cggc ==nil {_dgabf [int64 (_ffddg )]=_cacgc ;
}else {return nil ,_cggc ;};};return _dgabf ,nil ;};

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

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

// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_cfa encryptDict ;_cdd _fg .StdEncryptDict ;_bbgf string ;_ec []byte ;_aga map[PdfObject ]bool ;_fba map[PdfObject ]bool ;_eed bool ;_eedf cryptFilters ;_bec string ;_aeec string ;_ega *PdfParser ;_ccfb map[int ]struct{};};

// EncodeImage encodes 'img' golang image.Image into jbig2 encoded bytes document using default encoder settings.
func (_gfbf *JBIG2Encoder )EncodeImage (img _bb .Image )([]byte ,error ){return _gfbf .encodeImage (img )};func _eefcb (_cedg int )int {_fdge :=_cedg >>(_acdd -1);return (_cedg ^_fdge )-_fdge };

// RunLengthEncoder represents Run length encoding.
type RunLengthEncoder struct{};

// Validate validates the page settings for the JBIG2 encoder.
func (_fdcc JBIG2EncoderSettings )Validate ()error {const _cebgf ="\u0076a\u006ci\u0064\u0061\u0074\u0065\u0045\u006e\u0063\u006f\u0064\u0065\u0072";if _fdcc .Threshold < 0||_fdcc .Threshold > 1.0{return _ca .Errorf (_cebgf ,"\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",_fdcc .Threshold );
};if _fdcc .ResolutionX < 0{return _ca .Errorf (_cebgf ,"\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",_fdcc .ResolutionX );
};if _fdcc .ResolutionY < 0{return _ca .Errorf (_cebgf ,"\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",_fdcc .ResolutionY );
};if _fdcc .DefaultPixelValue !=0&&_fdcc .DefaultPixelValue !=1{return _ca .Errorf (_cebgf ,"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}",_fdcc .DefaultPixelValue );
};if _fdcc .Compression !=JB2Generic {return _ca .Errorf (_cebgf ,"\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 ;};

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_ece *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_c .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_c .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_ece .Predictor );
_bed ,_abgeg :=_ece .DecodeBytes (streamObj .Stream );if _abgeg !=nil {return nil ,_abgeg ;};_c .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_c .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_bed ),_bed );
if _ece .Predictor > 1{if _ece .Predictor ==2{_c .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_gfff :=_ece .Columns *_ece .Colors ;if _gfff < 1{return []byte {},nil ;};_cbee :=len (_bed )/_gfff ;if len (_bed )%_gfff !=0{_c .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 ,_ab .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 (_bed ),_gfff );};if _gfff %_ece .Colors !=0{return nil ,_ab .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",_gfff ,_ece .Colors );
};if _gfff > len (_bed ){_c .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",_gfff ,len (_bed ));
return nil ,_df .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_c .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_bed ),_bed );
_edba :=_fc .NewBuffer (nil );for _fffg :=0;_fffg < _cbee ;_fffg ++{_fad :=_bed [_gfff *_fffg :_gfff *(_fffg +1)];for _fccd :=_ece .Colors ;_fccd < _gfff ;_fccd ++{_fad [_fccd ]=byte (int (_fad [_fccd ]+_fad [_fccd -_ece .Colors ])%256);};_edba .Write (_fad );
};_cbea :=_edba .Bytes ();_c .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_cbea ),_cbea );return _cbea ,nil ;}else if _ece .Predictor >=10&&_ece .Predictor <=15{_c .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_bbega :=_ece .Columns *_ece .Colors +1;if _bbega < 1{return []byte {},nil ;};_bdg :=len (_bed )/_bbega ;if len (_bed )%_bbega !=0{return nil ,_ab .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 (_bed ),_bbega );
};if _bbega > len (_bed ){_c .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",_bbega ,len (_bed ));
return nil ,_df .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cebg :=_fc .NewBuffer (nil );_c .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_ece .Columns );
_c .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_bed ),_bbega ,_bdg );_gef :=make ([]byte ,_bbega );for _egdc :=0;_egdc < _bbega ;_egdc ++{_gef [_egdc ]=0;};
for _cbad :=0;_cbad < _bdg ;_cbad ++{_eebg :=_bed [_bbega *_cbad :_bbega *(_cbad +1)];_geff :=_eebg [0];switch _geff {case 0:case 1:for _fed :=2;_fed < _bbega ;_fed ++{_eebg [_fed ]=byte (int (_eebg [_fed ]+_eebg [_fed -1])%256);};case 2:for _gafc :=1;
_gafc < _bbega ;_gafc ++{_eebg [_gafc ]=byte (int (_eebg [_gafc ]+_gef [_gafc ])%256);};default:_c .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",_geff );
return nil ,_ab .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_geff );};for _aebdc :=0;_aebdc < _bbega ;_aebdc ++{_gef [_aebdc ]=_eebg [_aebdc ];};_cebg .Write (_eebg [1:]);
};_afebg :=_cebg .Bytes ();return _afebg ,nil ;}else {_c .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",_ece .Predictor );
return nil ,_ab .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",_ece .Predictor );};};return _bed ,nil ;};func (_gcgd *PdfCrypt )securityHandler ()_fg .StdHandler {if _gcgd ._cdd .R >=5{return _fg .NewHandlerR6 ();
};return _fg .NewHandlerR4 (_gcgd ._bbgf ,_gcgd ._cfa .Length );};func (_fbcf *PdfParser )inspect ()(map[string ]int ,error ){_c .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");
_c .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_acbba :=map[string ]int {};_ebceb :=0;_efbfb :=0;var _edfd []int ;for _fdebg :=range _fbcf ._ccacbg .ObjectMap {_edfd =append (_edfd ,_fdebg );};_gc .Ints (_edfd );_bgcg :=0;
for _ ,_gdabf :=range _edfd {_gfegb :=_fbcf ._ccacbg .ObjectMap [_gdabf ];if _gfegb .ObjectNumber ==0{continue ;};_ebceb ++;_c .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_c .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",_gfegb .ObjectNumber );
_dbda ,_cced :=_fbcf .LookupByNumber (_gfegb .ObjectNumber );if _cced !=nil {_c .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",_gfegb .ObjectNumber ,_cced );
_efbfb ++;continue ;};_c .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_dbda );_ggeg ,_eaaef :=_dbda .(*PdfIndirectObject );if _eaaef {_c .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_gfegb .ObjectNumber ,_ggeg );
_dafa ,_ddgf :=_ggeg .PdfObject .(*PdfObjectDictionary );if _ddgf {if _geefe ,_gggc :=_dafa .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_gggc {_caed :=string (*_geefe );_c .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_caed );
_ ,_efcb :=_acbba [_caed ];if _efcb {_acbba [_caed ]++;}else {_acbba [_caed ]=1;};}else if _efgea ,_fcgf :=_dafa .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_fcgf {_bbbc :=string (*_efgea );_c .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_bbbc );
_ ,_afae :=_acbba [_bbbc ];if _afae {_acbba [_bbbc ]++;}else {_acbba [_bbbc ]=1;};};if _bacb ,_feed :=_dafa .Get ("\u0053").(*PdfObjectName );_feed &&*_bacb =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_aace :=_acbba ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _aace {_acbba ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_acbba ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _bdcc ,_eeed :=_dbda .(*PdfObjectStream );_eeed {if _acdb ,_cgde :=_bdcc .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_cgde {_c .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",*_acdb );_cbfgd :=string (*_acdb );_acbba [_cbfgd ]++;};}else {_bdad ,_dgde :=_dbda .(*PdfObjectDictionary );
if _dgde {_eggfc ,_gfbba :=_bdad .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _gfbba {_geba :=string (*_eggfc );_c .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_geba );_acbba [_geba ]++;};};_c .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_gfegb .ObjectNumber ,_dbda );
};_bgcg ++;};_c .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");_c .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");
_c .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_ebceb );_c .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_efbfb );for _fafbc ,_adbg :=range _acbba {_c .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_fafbc ,_adbg );
};_c .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_fbcf ._ccacbg .ObjectMap )< 1{_c .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 ,_ab .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");};_aeeb ,_dada :=_acbba ["\u0046\u006f\u006e\u0074"];
if !_dada ||_aeeb < 2{_c .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 {_c .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 _acbba ,nil ;};

// 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 _dffdc :=obj .(type ){case *PdfObjectFloat :_c .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 (*_dffdc ),nil ;case *PdfObjectInteger :return int64 (*_dffdc ),nil ;case *PdfObjectReference :_gbef :=TraceToDirectObject (obj );return GetNumberAsInt64 (_gbef );case *PdfIndirectObject :return GetNumberAsInt64 (_dffdc .PdfObject );};return 0,ErrNotANumber ;
};

// GetFilterName returns the name of the encoding filter.
func (_feda *JPXEncoder )GetFilterName ()string {return StreamEncodingFilterNameJPX };

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

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

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

// IsNullObject returns true if `obj` is a PdfObjectNull.
func IsNullObject (obj PdfObject )bool {_ ,_bcddd :=TraceToDirectObject (obj ).(*PdfObjectNull );return _bcddd ;};

// 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 ){_afdg :=&PdfObjectStream {};if encoder ==nil {encoder =NewRawEncoder ();};_afdg .PdfObjectDictionary =encoder .MakeStreamDict ();_feea ,_cdgg :=encoder .EncodeBytes (contents );
if _cdgg !=nil {return nil ,_cdgg ;};_afdg .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_feea ))));_afdg .Stream =_feea ;return _afdg ,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 _dagg _fc .Buffer ;_dagg .Write ([]byte {0xFE,0xFF});_dagg .WriteString (_fde .StringToUTF16 (s ));return &PdfObjectString {_bdgdf :_dagg .String (),_fbeb :true };};return &PdfObjectString {_bdgdf :string (_fde .StringToPDFDocEncoding (s )),_fbeb :false };
};

// Get returns the i-th element of the array or nil if out of bounds (by index).
func (_fabgb *PdfObjectArray )Get (i int )PdfObject {if _fabgb ==nil ||i >=len (_fabgb ._dbaf )||i < 0{return nil ;};return _fabgb ._dbaf [i ];};const (JB2Generic JBIG2CompressionType =iota ;JB2SymbolCorrelation ;JB2SymbolRankHaus ;);func (_gac *PdfParser )lookupByNumber (_aee int ,_bgg bool )(PdfObject ,bool ,error ){_fgg ,_gba :=_gac .ObjCache [_aee ];
if _gba {_c .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",_aee );return _fgg ,false ,nil ;};if _gac ._fcfg ==nil {_gac ._fcfg =map[int ]bool {};
};if _gac ._fcfg [_aee ]{_c .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",_aee );
return nil ,false ,_df .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");};_gac ._fcfg [_aee ]=true ;defer delete (_gac ._fcfg ,_aee );
_dgg ,_gba :=_gac ._ccacbg .ObjectMap [_aee ];if !_gba {_c .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 _cga PdfObjectNull ;return &_cga ,false ,nil ;};_c .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_aee );if _dgg .XType ==XrefTypeTableEntry {_c .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_dgg .ObjectNumber );
_c .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_dgg .Generation );_c .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_dgg .Offset );_gac ._dddeff .Seek (_dgg .Offset ,_abb .SeekStart );
_gac ._acefe =_dfg .NewReader (_gac ._dddeff );_gdb ,_dcb :=_gac .ParseIndirectObject ();if _dcb !=nil {_c .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",_dcb );
if _bgg {_c .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");_eb ,_ggdb :=_gac .repairRebuildXrefsTopDown ();
if _ggdb !=nil {_c .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_ggdb );return nil ,false ,_ggdb ;};_gac ._ccacbg =*_eb ;return _gac .lookupByNumber (_aee ,false );
};return nil ,false ,_dcb ;};if _bgg {_dgd ,_ ,_ :=_fdf (_gdb );if int (_dgd )!=_aee {_c .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_bgd :=_gac .rebuildXrefTable ();
if _bgd !=nil {return nil ,false ,_bgd ;};_gac .ObjCache =objectCache {};return _gac .lookupByNumberWrapper (_aee ,false );};};_c .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_gac .ObjCache [_aee ]=_gdb ;
return _gdb ,false ,nil ;}else if _dgg .XType ==XrefTypeObjectStream {_c .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_c .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_c .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",_dgg .OsObjNumber ,_dgg .OsObjIndex );
if _dgg .OsObjNumber ==_aee {_c .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 ,_df .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_deg :=_gac ._ccacbg .ObjectMap [_dgg .OsObjNumber ];_deg {_geb ,_ggc :=_gac .lookupObjectViaOS (_dgg .OsObjNumber ,_aee );if _ggc !=nil {_c .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_ggc );
return nil ,true ,_ggc ;};_c .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_gac .ObjCache [_aee ]=_geb ;if _gac ._cdfb !=nil {_gac ._cdfb ._aga [_geb ]=true ;};return _geb ,true ,nil ;};_c .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 ,_df .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 ,_df .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

// 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 ;};

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

// EncodeBytes encodes data into ASCII85 encoded format.
func (_dffe *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _egdb _fc .Buffer ;for _cgef :=0;_cgef < len (data );_cgef +=4{_debd :=data [_cgef ];_ebdb :=1;_fgcbf :=byte (0);if _cgef +1< len (data ){_fgcbf =data [_cgef +1];_ebdb ++;};_aadd :=byte (0);
if _cgef +2< len (data ){_aadd =data [_cgef +2];_ebdb ++;};_dgce :=byte (0);if _cgef +3< len (data ){_dgce =data [_cgef +3];_ebdb ++;};_bac :=(uint32 (_debd )<<24)|(uint32 (_fgcbf )<<16)|(uint32 (_aadd )<<8)|uint32 (_dgce );if _bac ==0{_egdb .WriteByte ('z');
}else {_beda :=_dffe .base256Tobase85 (_bac );for _ ,_efdg :=range _beda [:_ebdb +1]{_egdb .WriteByte (_efdg +'!');};};};_egdb .WriteString ("\u007e\u003e");return _egdb .Bytes (),nil ;};func _cfce (_caaaf uint ,_edgd ,_cceg float64 )float64 {return (_edgd +(float64 (_caaaf )*(_cceg -_edgd )/255))*255;
};

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

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

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

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_geab *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_dfd :=_fc .NewReader (encoded );var _cecb []byte ;for {_egec ,_eeba :=_dfd .ReadByte ();if _eeba !=nil {return nil ,_eeba ;};if _egec =='>'{break ;};if IsWhiteSpace (_egec ){continue ;
};if (_egec >='a'&&_egec <='f')||(_egec >='A'&&_egec <='F')||(_egec >='0'&&_egec <='9'){_cecb =append (_cecb ,_egec );}else {_c .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",_egec );
return nil ,_ab .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",_egec );};};if len (_cecb )%2==1{_cecb =append (_cecb ,'0');
};_c .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_cecb );_fef :=make ([]byte ,_e .DecodedLen (len (_cecb )));_ ,_cddc :=_e .Decode (_fef ,_cecb );if _cddc !=nil {return nil ,_cddc ;};return _fef ,nil ;};

// HeaderPosition gets the file header position.
func (_gffa ParserMetadata )HeaderPosition ()int {return _gffa ._dacc };

// GetXrefType returns the type of the first xref object (table or stream).
func (_caccf *PdfParser )GetXrefType ()*xrefType {return _caccf ._dda };func _gfdc (_fcgdg PdfObject )(*float64 ,error ){switch _ceece :=_fcgdg .(type ){case *PdfObjectFloat :_gcfa :=float64 (*_ceece );return &_gcfa ,nil ;case *PdfObjectInteger :_gfgg :=float64 (*_ceece );
return &_gfgg ,nil ;case *PdfObjectNull :return nil ,nil ;};return nil ,ErrNotANumber ;};

// DecodeBytes decodes a slice of Flate encoded bytes and returns the result.
func (_ggae *FlateEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_c .Log .Trace ("\u0046\u006c\u0061\u0074\u0065\u0044\u0065\u0063\u006f\u0064\u0065\u0020b\u0079\u0074\u0065\u0073");if len (encoded )==0{_c .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 ;};_dgab :=_fc .NewReader (encoded );_eefc ,_agga :=_ac .NewReader (_dgab );if _agga !=nil {_c .Log .Debug ("\u0044e\u0063o\u0064\u0069\u006e\u0067\u0020e\u0072\u0072o\u0072\u0020\u0025\u0076\u000a",_agga );_c .Log .Debug ("\u0053t\u0072e\u0061\u006d\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (encoded ),encoded );
return nil ,_agga ;};defer _eefc .Close ();var _aef _fc .Buffer ;_aef .ReadFrom (_eefc );return _aef .Bytes (),nil ;};

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

// Bytes returns the PdfObjectString content as a []byte array.
func (_fede *PdfObjectString )Bytes ()[]byte {return []byte (_fede ._bdgdf )};func (_dbdb *JBIG2Image )toBitmap ()(_bddad *_gda .Bitmap ,_eaa error ){const _ggdg ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";
if _dbdb .Data ==nil {return nil ,_ca .Error (_ggdg ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");};if _dbdb .Width ==0||_dbdb .Height ==0{return nil ,_ca .Error (_ggdg ,"\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 _dbdb .HasPadding {_bddad ,_eaa =_gda .NewWithData (_dbdb .Width ,_dbdb .Height ,_dbdb .Data );}else {_bddad ,_eaa =_gda .NewWithUnpaddedData (_dbdb .Width ,_dbdb .Height ,_dbdb .Data );};if _eaa !=nil {return nil ,_ca .Wrap (_eaa ,_ggdg ,"");};return _bddad ,nil ;
};

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

// 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 (_dfdg *PdfObjectArray )ToFloat64Array ()([]float64 ,error ){var _dadbe []float64 ;for _ ,_egbcg :=range _dfdg .Elements (){switch _babe :=_egbcg .(type ){case *PdfObjectInteger :_dadbe =append (_dadbe ,float64 (*_babe ));case *PdfObjectFloat :_dadbe =append (_dadbe ,float64 (*_babe ));
default:return nil ,ErrTypeError ;};};return _dadbe ,nil ;};

// IsAuthenticated returns true if the PDF has already been authenticated for accessing.
func (_abe *PdfParser )IsAuthenticated ()bool {return _abe ._cdfb ._eed };

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

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

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

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

// NewFlateEncoder makes a new flate encoder with default parameters, predictor 1 and bits per component 8.
func NewFlateEncoder ()*FlateEncoder {_dfgg :=&FlateEncoder {};_dfgg .Predictor =1;_dfgg .BitsPerComponent =8;_dfgg .Colors =1;_dfgg .Columns =1;return _dfgg ;};func (_de *PdfParser )lookupObjectViaOS (_agb int ,_cg int )(PdfObject ,error ){var _fbe *_fc .Reader ;
var _bbe objectStream ;var _acf bool ;_bbe ,_acf =_de ._cacf [_agb ];if !_acf {_af ,_cgb :=_de .LookupByNumber (_agb );if _cgb !=nil {_c .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",_agb );
return nil ,_cgb ;};_faa ,_bbg :=_af .(*PdfObjectStream );if !_bbg {return nil ,_df .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _de ._cdfb !=nil &&!_de ._cdfb .isDecrypted (_faa ){return nil ,_df .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");
};_gfe :=_faa .PdfObjectDictionary ;_c .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_gfe .String ());_cc ,_bbg :=_gfe .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_bbg {_c .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 ,_df .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 _be .ToLower (string (*_cc ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_c .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 ,_df .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 ,_bbg :=_gfe .Get ("\u004e").(*PdfObjectInteger );if !_bbg {return nil ,_df .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");
};_abg ,_bbg :=_gfe .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_bbg {return nil ,_df .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");
};_c .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",_cc ,*N );_ge ,_cgb :=DecodeStream (_faa );if _cgb !=nil {return nil ,_cgb ;
};_c .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_ge );_feb :=_de .GetFileOffset ();defer func (){_de .SetFileOffset (_feb )}();_fbe =_fc .NewReader (_ge );_de ._acefe =_dfg .NewReader (_fbe );_c .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_feba :=map[int ]int64 {};for _ed :=0;_ed < int (*N );_ed ++{_de .skipSpaces ();_bd ,_dg :=_de .parseNumber ();if _dg !=nil {return nil ,_dg ;};_ddd ,_gg :=_bd .(*PdfObjectInteger );if !_gg {return nil ,_df .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");
};_de .skipSpaces ();_bd ,_dg =_de .parseNumber ();if _dg !=nil {return nil ,_dg ;};_bdf ,_gg :=_bd .(*PdfObjectInteger );if !_gg {return nil ,_df .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");
};_c .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_ddd ,*_bdf );_feba [int (*_ddd )]=int64 (*_abg +*_bdf );};_bbe =objectStream {N :int (*N ),_ea :_ge ,_gcg :_feba };_de ._cacf [_agb ]=_bbe ;}else {_gcc :=_de .GetFileOffset ();
defer func (){_de .SetFileOffset (_gcc )}();_fbe =_fc .NewReader (_bbe ._ea );_de ._acefe =_dfg .NewReader (_fbe );};_fgb :=_bbe ._gcg [_cg ];_c .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_cg ,_fgb );
_fbe .Seek (_fgb ,_abb .SeekStart );_de ._acefe =_dfg .NewReader (_fbe );_bc ,_ :=_de ._acefe .Peek (100);_c .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_bc ));_abba ,_fce :=_de .parseObject ();
if _fce !=nil {_c .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",_fce );return nil ,_fce ;};if _abba ==nil {return nil ,_df .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");
};_bg :=PdfIndirectObject {};_bg .ObjectNumber =int64 (_cg );_bg .PdfObject =_abba ;_bg ._abde =_de ;return &_bg ,nil ;};

// WriteString outputs the object as it is to be written to file.
func (_gadde *PdfObjectStreams )WriteString ()string {var _fdgf _be .Builder ;_fdgf .WriteString (_dd .FormatInt (_gadde .ObjectNumber ,10));_fdgf .WriteString ("\u0020\u0030\u0020\u0052");return _fdgf .String ();};func (_ccbb *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_ccbb ._dddeff .Seek (0,_abb .SeekStart );
_ccbb ._acefe =_dfg .NewReader (_ccbb ._dddeff );_fgeb :=20;_bbfa :=make ([]byte ,_fgeb );for {_dgacd ,_gddg :=_ccbb ._acefe .ReadByte ();if _gddg !=nil {if _gddg ==_abb .EOF {break ;}else {return 0,0,_gddg ;};};if IsDecimalDigit (_dgacd )&&_bbfa [_fgeb -1]=='.'&&IsDecimalDigit (_bbfa [_fgeb -2])&&_bbfa [_fgeb -3]=='-'&&_bbfa [_fgeb -4]=='F'&&_bbfa [_fgeb -5]=='D'&&_bbfa [_fgeb -6]=='P'{_bgefc :=int (_bbfa [_fgeb -2]-'0');
_dedef :=int (_dgacd -'0');return _bgefc ,_dedef ,nil ;};_bbfa =append (_bbfa [1:_fgeb ],_dgacd );};return 0,0,_df .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};

// UpdateParams updates the parameter values of the encoder.
func (_ecc *FlateEncoder )UpdateParams (params *PdfObjectDictionary ){_cdeb ,_fdb :=GetNumberAsInt64 (params .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr"));if _fdb ==nil {_ecc .Predictor =int (_cdeb );};_cegd ,_fdb :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));
if _fdb ==nil {_ecc .BitsPerComponent =int (_cegd );};_gbfd ,_fdb :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));if _fdb ==nil {_ecc .Columns =int (_gbfd );};_gccgd ,_fdb :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));
if _fdb ==nil {_ecc .Colors =int (_gccgd );};};

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_gadf *RawEncoder )MakeStreamDict ()*PdfObjectDictionary {return MakeDict ()};var _fag =_gcd .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");

// 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 )(_bdba *PdfObjectInteger ,_cdde bool ){_bdba ,_cdde =TraceToDirectObject (obj ).(*PdfObjectInteger );return _bdba ,_cdde ;};

// DecodeBytes decodes a slice of JPX encoded bytes and returns the result.
func (_cdf *JPXEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_c .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",_cdf .GetFilterName ());
return encoded ,ErrNoJPXDecode ;};func (_cebfa *PdfParser )repairSeekXrefMarker ()error {_aabb ,_cffgb :=_cebfa ._dddeff .Seek (0,_abb .SeekEnd );if _cffgb !=nil {return _cffgb ;};_gddc :=_gcd .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");
var _dcga int64 ;var _egaa int64 =1000;for _dcga < _aabb {if _aabb <=(_egaa +_dcga ){_egaa =_aabb -_dcga ;};_ ,_fgbb :=_cebfa ._dddeff .Seek (-_dcga -_egaa ,_abb .SeekEnd );if _fgbb !=nil {return _fgbb ;};_ebfcb :=make ([]byte ,_egaa );_cebfa ._dddeff .Read (_ebfcb );
_c .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_ebfcb ));_ecfg :=_gddc .FindAllStringIndex (string (_ebfcb ),-1);if _ecfg !=nil {_aecae :=_ecfg [len (_ecfg )-1];
_c .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_ecfg );_cebfa ._dddeff .Seek (-_dcga -_egaa +int64 (_aecae [0]),_abb .SeekEnd );_cebfa ._acefe =_dfg .NewReader (_cebfa ._dddeff );for {_cebe ,_ccabb :=_cebfa ._acefe .Peek (1);if _ccabb !=nil {return _ccabb ;
};_c .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_cebe [0],_cebe [0]);if !IsWhiteSpace (_cebe [0]){break ;};_cebfa ._acefe .Discard (1);};return nil ;};_c .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");
_dcga +=_egaa ;};_c .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 _df .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};

// Encode encodes previously prepare jbig2 document and stores it as the byte slice.
func (_gbcf *JBIG2Encoder )Encode ()(_beed []byte ,_ccfg error ){const _ecd ="J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u002e\u0045\u006eco\u0064\u0065";if _gbcf ._fbgf ==nil {return nil ,_ca .Errorf (_ecd ,"\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");
};_gbcf ._fbgf .FullHeaders =_gbcf .DefaultPageSettings .FileMode ;_beed ,_ccfg =_gbcf ._fbgf .Encode ();if _ccfg !=nil {return nil ,_ca .Wrap (_ccfg ,_ecd ,"");};return _beed ,nil ;};

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

// String returns a string describing `streams`.
func (_bbff *PdfObjectStreams )String ()string {return _ab .Sprintf ("\u004f\u0062j\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0025\u0064",_bbff .ObjectNumber );};

// MakeArrayFromFloats creates an PdfObjectArray from a slice of float64s, where each array element is an
// PdfObjectFloat.
func MakeArrayFromFloats (vals []float64 )*PdfObjectArray {_fbage :=MakeArray ();for _ ,_cgbb :=range vals {_fbage .Append (MakeFloat (_cgbb ));};return _fbage ;};func (_gff *PdfCrypt )isDecrypted (_gbf PdfObject )bool {_ ,_bbeb :=_gff ._aga [_gbf ];if _bbeb {_c .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};switch _bcgf :=_gbf .(type ){case *PdfObjectStream :if _gff ._cdd .R !=5{if _cbbc ,_gdd :=_bcgf .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_gdd &&*_cbbc =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_bbeb =_gff ._ccfb [int (_bcgf .ObjectNumber )];
_bbeb {return true ;};switch _eeg :=_bcgf .PdfObject .(type ){case *PdfObjectDictionary :_dbf :=true ;for _ ,_fcb :=range _dfgbc {if _eeg .Get (_fcb )==nil {_dbf =false ;break ;};};if _dbf {return true ;};};};_c .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};var _dfgab =_gcd .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");var _ccad =_gcd .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");


// NewCCITTFaxEncoder makes a new CCITTFax encoder.
func NewCCITTFaxEncoder ()*CCITTFaxEncoder {return &CCITTFaxEncoder {Columns :1728,EndOfBlock :true }};

// 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 (_ggeda *PdfParser )CheckAccessRights (password []byte )(bool ,_fg .Permissions ,error ){if _ggeda ._cdfb ==nil {return true ,_fg .PermOwner ,nil ;};return _ggeda ._cdfb .checkAccessRights (password );};

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_adff *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_cdba :=_fc .NewReader (encoded );_dea ,_aff :=_a .Decode (_cdba );if _aff !=nil {_c .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_aff );
return nil ,_aff ;};_aae :=_dea .Bounds ();var _aead =make ([]byte ,_aae .Dx ()*_aae .Dy ()*_adff .ColorComponents *_adff .BitsPerComponent /8);_ffa :=0;switch _adff .ColorComponents {case 1:_fdg :=[]float64 {_adff .Decode [0],_adff .Decode [1]};for _egbad :=_aae .Min .Y ;
_egbad < _aae .Max .Y ;_egbad ++{for _dbd :=_aae .Min .X ;_dbd < _aae .Max .X ;_dbd ++{_ffab :=_dea .At (_dbd ,_egbad );if _adff .BitsPerComponent ==16{_gacb ,_fegf :=_ffab .(_fe .Gray16 );if !_fegf {return nil ,_df .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_ffe :=_cfce (uint (_gacb .Y >>8),_fdg [0],_fdg [1]);_ggda :=_cfce (uint (_gacb .Y ),_fdg [0],_fdg [1]);_aead [_ffa ]=byte (_ffe );_ffa ++;_aead [_ffa ]=byte (_ggda );_ffa ++;}else {_dfag ,_efge :=_ffab .(_fe .Gray );if !_efge {return nil ,_df .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_aead [_ffa ]=byte (_cfce (uint (_dfag .Y ),_fdg [0],_fdg [1]));_ffa ++;};};};case 3:_ddea :=[]float64 {_adff .Decode [0],_adff .Decode [1]};_cgbc :=[]float64 {_adff .Decode [2],_adff .Decode [3]};_fadc :=[]float64 {_adff .Decode [4],_adff .Decode [5]};
for _gfdb :=_aae .Min .Y ;_gfdb < _aae .Max .Y ;_gfdb ++{for _cgcg :=_aae .Min .X ;_cgcg < _aae .Max .X ;_cgcg ++{_adg :=_dea .At (_cgcg ,_gfdb );if _adff .BitsPerComponent ==16{_fdba ,_dbca :=_adg .(_fe .RGBA64 );if !_dbca {return nil ,_df .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_gdfae :=_cfce (uint (_fdba .R >>8),_ddea [0],_ddea [1]);_ecca :=_cfce (uint (_fdba .R ),_ddea [0],_ddea [1]);_ebbg :=_cfce (uint (_fdba .G >>8),_cgbc [0],_cgbc [1]);_cfaf :=_cfce (uint (_fdba .G ),_cgbc [0],_cgbc [1]);_fgab :=_cfce (uint (_fdba .B >>8),_fadc [0],_fadc [1]);
_eab :=_cfce (uint (_fdba .B ),_fadc [0],_fadc [1]);_aead [_ffa ]=byte (_gdfae );_ffa ++;_aead [_ffa ]=byte (_ecca );_ffa ++;_aead [_ffa ]=byte (_ebbg );_ffa ++;_aead [_ffa ]=byte (_cfaf );_ffa ++;_aead [_ffa ]=byte (_fgab );_ffa ++;_aead [_ffa ]=byte (_eab );
_ffa ++;}else {_dfab ,_aedb :=_adg .(_fe .RGBA );if _aedb {_dffd :=_cfce (uint (_dfab .R ),_ddea [0],_ddea [1]);_gcga :=_cfce (uint (_dfab .G ),_cgbc [0],_cgbc [1]);_gebg :=_cfce (uint (_dfab .B ),_fadc [0],_fadc [1]);_aead [_ffa ]=byte (_dffd );_ffa ++;
_aead [_ffa ]=byte (_gcga );_ffa ++;_aead [_ffa ]=byte (_gebg );_ffa ++;}else {_dded ,_dbfa :=_adg .(_fe .YCbCr );if !_dbfa {return nil ,_df .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");};_bbad ,_debba ,_cag ,_ :=_dded .RGBA ();
_bgadc :=_cfce (uint (_bbad >>8),_ddea [0],_ddea [1]);_bfedc :=_cfce (uint (_debba >>8),_cgbc [0],_cgbc [1]);_gcca :=_cfce (uint (_cag >>8),_fadc [0],_fadc [1]);_aead [_ffa ]=byte (_bgadc );_ffa ++;_aead [_ffa ]=byte (_bfedc );_ffa ++;_aead [_ffa ]=byte (_gcca );
_ffa ++;};};};};case 4:_deca :=[]float64 {_adff .Decode [0],_adff .Decode [1]};_cfb :=[]float64 {_adff .Decode [2],_adff .Decode [3]};_cffd :=[]float64 {_adff .Decode [4],_adff .Decode [5]};_cbbf :=[]float64 {_adff .Decode [6],_adff .Decode [7]};for _cdcb :=_aae .Min .Y ;
_cdcb < _aae .Max .Y ;_cdcb ++{for _bcgg :=_aae .Min .X ;_bcgg < _aae .Max .X ;_bcgg ++{_bab :=_dea .At (_bcgg ,_cdcb );_bef ,_cgge :=_bab .(_fe .CMYK );if !_cgge {return nil ,_df .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_edab :=255-_cfce (uint (_bef .C ),_deca [0],_deca [1]);_cabc :=255-_cfce (uint (_bef .M ),_cfb [0],_cfb [1]);_cbaa :=255-_cfce (uint (_bef .Y ),_cffd [0],_cffd [1]);_fcea :=255-_cfce (uint (_bef .K ),_cbbf [0],_cbbf [1]);_aead [_ffa ]=byte (_edab );
_ffa ++;_aead [_ffa ]=byte (_cabc );_ffa ++;_aead [_ffa ]=byte (_cbaa );_ffa ++;_aead [_ffa ]=byte (_fcea );_ffa ++;};};};return _aead ,nil ;};

// 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 _fgea (obj ,0)};var _ecfd =_gcd .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");

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_bccef Version ;_dddeff _abb .ReadSeeker ;_acefe *_dfg .Reader ;_eggf int64 ;_ccacbg XrefTable ;_aedbf int64 ;_dda *xrefType ;_cacf objectStreams ;_eeggd *PdfObjectDictionary ;_cdfb *PdfCrypt ;_aadca *PdfIndirectObject ;_begd bool ;
ObjCache objectCache ;_fcfg map[int ]bool ;_aggab map[int64 ]bool ;_efdb ParserMetadata ;_egdfa bool ;_fabg []int64 ;_bece int ;_fcac bool ;_faf int64 ;_acecg map[*PdfParser ]*PdfParser ;_bgc []*PdfParser ;};

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

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

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

// UpdateParams updates the parameter values of the encoder.
func (_bad *LZWEncoder )UpdateParams (params *PdfObjectDictionary ){_ecae ,_cbgc :=GetNumberAsInt64 (params .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr"));if _cbgc ==nil {_bad .Predictor =int (_ecae );};_ebg ,_cbgc :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));
if _cbgc ==nil {_bad .BitsPerComponent =int (_ebg );};_ebc ,_cbgc :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));if _cbgc ==nil {_bad .Columns =int (_ebc );};_cbc ,_cbgc :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));
if _cbgc ==nil {_bad .Colors =int (_cbc );};_beg ,_cbgc :=GetNumberAsInt64 (params .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));if _cbgc ==nil {_bad .EarlyChange =int (_beg );};};func (_cf *PdfParser )lookupByNumberWrapper (_eag int ,_ga bool )(PdfObject ,bool ,error ){_ee ,_ddb ,_gdaf :=_cf .lookupByNumber (_eag ,_ga );
if _gdaf !=nil {return nil ,_ddb ,_gdaf ;};if !_ddb &&_cf ._cdfb !=nil &&_cf ._cdfb ._eed &&!_cf ._cdfb .isDecrypted (_ee ){_cff :=_cf ._cdfb .Decrypt (_ee ,0,0);if _cff !=nil {return nil ,_ddb ,_cff ;};};return _ee ,_ddb ,nil ;};

// Clear resets the dictionary to an empty state.
func (_dafe *PdfObjectDictionary )Clear (){_dafe ._egde =[]PdfObjectName {};_dafe ._bafd =map[PdfObjectName ]PdfObject {};_dafe ._bbea =&_b .Mutex {};};func _ggg (_cea *_cb .FilterDict ,_eecc *PdfObjectDictionary )error {if _ace ,_aaa :=_eecc .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_aaa {if _gcf :=string (*_ace );_gcf !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_c .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",_gcf );
};};_agf ,_afc :=_eecc .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_afc {return _ab .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");
};_cea .CFM =string (*_agf );if _cgee ,_afb :=_eecc .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_afb {_cea .AuthEvent =_fg .AuthEvent (*_cgee );}else {_cea .AuthEvent =_fg .EventDocOpen ;};if _db ,_fgf :=_eecc .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_fgf {_cea .Length =int (*_db );};return nil ;};

// GetEncryptObj returns the PdfIndirectObject which has information about the PDFs encryption details.
func (_cadd *PdfParser )GetEncryptObj ()*PdfIndirectObject {return _cadd ._aadca };func (_eeeab *PdfObjectDictionary )setWithLock (_fegb PdfObjectName ,_geac PdfObject ,_cdegd bool ){if _cdegd {_eeeab ._bbea .Lock ();defer _eeeab ._bbea .Unlock ();};_ ,_gefe :=_eeeab ._bafd [_fegb ];
if !_gefe {_eeeab ._egde =append (_eeeab ._egde ,_fegb );};_eeeab ._bafd [_fegb ]=_geac ;};const (_afcga =0;_edcd =1;_gcaa =2;_eac =3;_eeff =4;);

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_bafd map[PdfObjectName ]PdfObject ;_egde []PdfObjectName ;_bbea *_b .Mutex ;_fcaa *PdfParser ;};

// 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 (_bbcgf *PdfParser )IsEncrypted ()(bool ,error ){if _bbcgf ._cdfb !=nil {return true ,nil ;}else if _bbcgf ._eeggd ==nil {return false ,nil ;};_c .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");
_bedg :=_bbcgf ._eeggd .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _bedg ==nil {return false ,nil ;};_c .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_geca *PdfObjectDictionary ;);switch _ccfef :=_bedg .(type ){case *PdfObjectDictionary :_geca =_ccfef ;
case *PdfObjectReference :_c .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_ccfef );_bfbeg ,_cbfae :=_bbcgf .LookupByReference (*_ccfef );_c .Log .Trace ("\u0031\u003a\u0020%\u0071",_bfbeg );
if _cbfae !=nil {return false ,_cbfae ;};_aebb ,_bgae :=_bfbeg .(*PdfIndirectObject );if !_bgae {_c .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 ,_df .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_ffcgb ,_bgae :=_aebb .PdfObject .(*PdfObjectDictionary );_bbcgf ._aadca =_aebb ;_c .Log .Trace ("\u0032\u003a\u0020%\u0071",_ffcgb );if !_bgae {return false ,_df .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");
};_geca =_ffcgb ;case *PdfObjectNull :_c .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 ,_ab .Errorf ("u\u006es\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0074\u0079\u0070\u0065: \u0025\u0054",_ccfef );};_gdeda ,_gafcgc :=PdfCryptNewDecrypt (_bbcgf ,_geca ,_bbcgf ._eeggd );if _gafcgc !=nil {return false ,_gafcgc ;
};for _ ,_bgeag :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_fbba :=_bbcgf ._eeggd .Get (PdfObjectName (_bgeag ));if _fbba ==nil {continue ;};switch _fbgae :=_fbba .(type ){case *PdfObjectReference :_gdeda ._ccfb [int (_fbgae .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_gdeda ._aga [_fbgae ]=true ;_gdeda ._ccfb [int (_fbgae .ObjectNumber )]=struct{}{};};};_bbcgf ._cdfb =_gdeda ;_c .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_gdeda );
return true ,nil ;};

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_bbgdc []float64 ,_acefb error ){for _ ,_dfabe :=range objects {_dagca ,_dbfd :=GetNumberAsFloat (_dfabe );if _dbfd !=nil {return nil ,_dbfd ;};_bbgdc =append (_bbgdc ,_dagca );};return _bbgdc ,nil ;};

// GetRevisionNumber returns the current version of the Pdf document.
func (_aadfag *PdfParser )GetRevisionNumber ()int {return _aadfag ._bece };func (_debdf *PdfParser )parseXrefStream (_beeg *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _beeg !=nil {_c .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",_beeg );
_debdf ._dddeff .Seek (int64 (*_beeg ),_abb .SeekStart );_debdf ._acefe =_dfg .NewReader (_debdf ._dddeff );};_bfga :=_debdf .GetFileOffset ();_faegf ,_dbgdc :=_debdf .ParseIndirectObject ();if _dbgdc !=nil {_c .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 ,_df .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");};_c .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_faegf );
_dadb ,_egdd :=_faegf .(*PdfObjectStream );if !_egdd {_c .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 ,_df .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");};_ddab :=_dadb .PdfObjectDictionary ;
_ebea ,_egdd :=_dadb .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_egdd {_c .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 ,_df .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 (*_ebea )> 8388607{_c .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",*_ebea );
return nil ,_df .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_gdgg :=_dadb .PdfObjectDictionary .Get ("\u0057");_eeea ,_egdd :=_gdgg .(*PdfObjectArray );if !_egdd {return nil ,_df .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_bgda :=_eeea .Len ();if _bgda !=3{_c .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",_bgda );
return nil ,_df .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 _fcdb []int64 ;for _cgga :=0;_cgga < 3;
_cgga ++{_cace ,_aacgb :=GetInt (_eeea .Get (_cgga ));if !_aacgb {return nil ,_df .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_fcdb =append (_fcdb ,int64 (*_cace ));};_gadfe ,_dbgdc :=DecodeStream (_dadb );
if _dbgdc !=nil {_c .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",_dbgdc );return nil ,_dbgdc ;};_ddbe :=int (_fcdb [0]);
_debc :=int (_fcdb [0]+_fcdb [1]);_bgbfd :=int (_fcdb [0]+_fcdb [1]+_fcdb [2]);_ebda :=int (_fcdb [0]+_fcdb [1]+_fcdb [2]);if _ddbe < 0||_debc < 0||_bgbfd < 0{_c .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",_ddbe ,_debc ,_bgbfd );
return nil ,_df .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _ebda ==0{_c .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 _ddab ,nil ;};_eebda :=len (_gadfe )/_ebda ;_defg :=0;_ceec :=_dadb .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _abbg []int ;if _ceec !=nil {_c .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_ceec );_cbaag ,_fbca :=_ceec .(*PdfObjectArray );
if !_fbca {_c .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 ,_df .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _cbaag .Len ()%2!=0{_c .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 ,_df .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_defg =0;_dfad ,_caddb :=_cbaag .ToIntegerArray ();if _caddb !=nil {_c .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",_caddb );
return nil ,_caddb ;};for _bfcg :=0;_bfcg < len (_dfad );_bfcg +=2{_fbfa :=_dfad [_bfcg ];_dgba :=_dfad [_bfcg +1];for _gggda :=0;_gggda < _dgba ;_gggda ++{_abbg =append (_abbg ,_fbfa +_gggda );};_defg +=_dgba ;};}else {for _ecdgd :=0;_ecdgd < int (*_ebea );
_ecdgd ++{_abbg =append (_abbg ,_ecdgd );};_defg =int (*_ebea );};if _eebda ==_defg +1{_c .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");
_eeeg :=_defg -1;for _ ,_gbcfb :=range _abbg {if _gbcfb > _eeeg {_eeeg =_gbcfb ;};};_abbg =append (_abbg ,_eeeg +1);_defg ++;};if _eebda !=len (_abbg ){_c .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",_eebda ,len (_abbg ));
return nil ,_df .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");};_c .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_defg );
_c .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_abbg );_cfbg :=func (_dffc []byte )int64 {var _ggcb int64 ;for _fddd :=0;_fddd < len (_dffc );_fddd ++{_ggcb +=int64 (_dffc [_fddd ])*(1<<uint (8*(len (_dffc )-_fddd -1)));
};return _ggcb ;};_c .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_gadfe ));_adaa :=0;for _ccagb :=0;_ccagb < len (_gadfe );_ccagb +=_ebda {_edge :=_bgagf (len (_gadfe ),_ccagb ,_ccagb +_ddbe );
if _edge !=nil {_c .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_edge );return nil ,_edge ;};_fdgb :=_gadfe [_ccagb :_ccagb +_ddbe ];_edge =_bgagf (len (_gadfe ),_ccagb +_ddbe ,_ccagb +_debc );
if _edge !=nil {_c .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_edge );return nil ,_edge ;};_fcbd :=_gadfe [_ccagb +_ddbe :_ccagb +_debc ];_edge =_bgagf (len (_gadfe ),_ccagb +_debc ,_ccagb +_bgbfd );
if _edge !=nil {_c .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_edge );return nil ,_edge ;};_cfff :=_gadfe [_ccagb +_debc :_ccagb +_bgbfd ];_cbbb :=_cfbg (_fdgb );
_gabg :=_cfbg (_fcbd );_bdgd :=_cfbg (_cfff );if _fcdb [0]==0{_cbbb =1;};if _adaa >=len (_abbg ){_c .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 ;};_acbe :=_abbg [_adaa ];_adaa ++;_c .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_acbe ,_fdgb );_c .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_acbe ,_fcbd );_c .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_acbe ,_cfff );
_c .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_acbe ,_cbbb ,_gabg ,_bdgd );if _cbbb ==0{_c .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 _cbbb ==1{_c .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",_fcbd );if _gabg ==_bfga {_c .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",_acbe ,_dadb .ObjectNumber );
_acbe =int (_dadb .ObjectNumber );};if _cffga ,_fbcb :=_debdf ._ccacbg .ObjectMap [_acbe ];!_fbcb ||int (_bdgd )> _cffga .Generation {_bgdf :=XrefObject {ObjectNumber :_acbe ,XType :XrefTypeTableEntry ,Offset :_gabg ,Generation :int (_bdgd )};_debdf ._ccacbg .ObjectMap [_acbe ]=_bgdf ;
};}else if _cbbb ==2{_c .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 _ ,_ebfg :=_debdf ._ccacbg .ObjectMap [_acbe ];!_ebfg {_gfae :=XrefObject {ObjectNumber :_acbe ,XType :XrefTypeObjectStream ,OsObjNumber :int (_gabg ),OsObjIndex :int (_bdgd )};
_debdf ._ccacbg .ObjectMap [_acbe ]=_gfae ;_c .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_gfae );};}else {_c .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 _debdf ._dda ==nil {_dfdc :=XrefTypeObjectStream ;_debdf ._dda =&_dfdc ;};return _ddab ,nil ;};

// 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 (_bfa *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _bfa .isDecrypted (obj ){return nil ;};switch _gggf :=obj .(type ){case *PdfIndirectObject :_bfa ._aga [_gggf ]=true ;_c .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",_gggf .ObjectNumber ,_gggf .GenerationNumber );
_acb :=_gggf .ObjectNumber ;_bff :=_gggf .GenerationNumber ;_gbaf :=_bfa .Decrypt (_gggf .PdfObject ,_acb ,_bff );if _gbaf !=nil {return _gbaf ;};return nil ;case *PdfObjectStream :_bfa ._aga [_gggf ]=true ;_cbbca :=_gggf .PdfObjectDictionary ;if _bfa ._cdd .R !=5{if _eff ,_feg :=_cbbca .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_feg &&*_eff =="\u0058\u0052\u0065\u0066"{return nil ;};};_dgafg :=_gggf .ObjectNumber ;_agg :=_gggf .GenerationNumber ;_c .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_dgafg ,_agg );
_gfdd :=_gbg ;if _bfa ._cfa .V >=4{_gfdd =_bfa ._bec ;_c .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_bfa ._bec );if _dfec ,_ceb :=_cbbca .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_ceb {if _fbeg ,_agbe :=GetName (_dfec .Get (0));_agbe {if *_fbeg =="\u0043\u0072\u0079p\u0074"{_gfdd ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _cbf ,_cec :=_cbbca .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_cec {if _abf ,_dge :=_cbf .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_dge {if _ ,_daa :=_bfa ._eedf [string (*_abf )];_daa {_c .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_abf );
_gfdd =string (*_abf );};};};};};};_c .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_gfdd );if _gfdd =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_fgaa :=_bfa .Decrypt (_cbbca ,_dgafg ,_agg );
if _fgaa !=nil {return _fgaa ;};_bcc ,_fgaa :=_bfa .makeKey (_gfdd ,uint32 (_dgafg ),uint32 (_agg ),_bfa ._ec );if _fgaa !=nil {return _fgaa ;};_gggf .Stream ,_fgaa =_bfa .decryptBytes (_gggf .Stream ,_gfdd ,_bcc );if _fgaa !=nil {return _fgaa ;};_cbbca .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_gggf .Stream ))));
return nil ;case *PdfObjectString :_c .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_degc :=_gbg ;if _bfa ._cfa .V >=4{_c .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_bfa ._aeec );
if _bfa ._aeec =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_degc =_bfa ._aeec ;};_afg ,_add :=_bfa .makeKey (_degc ,uint32 (parentObjNum ),uint32 (parentGenNum ),_bfa ._ec );if _add !=nil {return _add ;};_ada :=_gggf .Str ();_cfe :=make ([]byte ,len (_ada ));
for _aea :=0;_aea < len (_ada );_aea ++{_cfe [_aea ]=_ada [_aea ];};if len (_cfe )> 0{_c .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_cfe ,_cfe );
_cfe ,_add =_bfa .decryptBytes (_cfe ,_degc ,_afg );if _add !=nil {return _add ;};};_gggf ._bdgdf =string (_cfe );return nil ;case *PdfObjectArray :for _ ,_dbfc :=range _gggf .Elements (){_gde :=_bfa .Decrypt (_dbfc ,parentObjNum ,parentGenNum );if _gde !=nil {return _gde ;
};};return nil ;case *PdfObjectDictionary :_afgb :=false ;if _gae :=_gggf .Get ("\u0054\u0079\u0070\u0065");_gae !=nil {_edd ,_efgc :=_gae .(*PdfObjectName );if _efgc &&*_edd =="\u0053\u0069\u0067"{_afgb =true ;};};for _ ,_cgf :=range _gggf .Keys (){_cef :=_gggf .Get (_cgf );
if _afgb &&string (_cgf )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_cgf )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_cgf )!="\u0050\u0072\u0065\u0076"&&string (_cgf )!="\u004c\u0061\u0073\u0074"{_bgdb :=_bfa .Decrypt (_cef ,parentObjNum ,parentGenNum );
if _bgdb !=nil {return _bgdb ;};};};return nil ;};return nil ;};

// 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 (_cegfa *PdfObjectString )Str ()string {return _cegfa ._bdgdf };func (_eddg *PdfParser )checkPostEOFData ()error {const _daef ="\u0025\u0025\u0045O\u0046";_ ,_fdfa :=_eddg ._dddeff .Seek (-int64 (len ([]byte (_daef )))-1,_abb .SeekEnd );if _fdfa !=nil {return _fdfa ;
};_eafb :=make ([]byte ,len ([]byte (_daef ))+1);_ ,_fdfa =_eddg ._dddeff .Read (_eafb );if _fdfa !=nil {if _fdfa !=_abb .EOF {return _fdfa ;};};if string (_eafb )==_daef ||string (_eafb )==_daef +"\u000a"{_eddg ._efdb ._cdac =true ;};return nil ;};

// 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 )(_cfgg *PdfObjectName ,_eea bool ){_cfgg ,_eea =TraceToDirectObject (obj ).(*PdfObjectName );return _cfgg ,_eea ;};

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

// For predictors
Columns int ;Rows int ;Colors int ;_eaff *_ce .ImageBase ;};func (_fgfg *PdfParser )parseDetailedHeader ()(_bge error ){_fgfg ._dddeff .Seek (0,_abb .SeekStart );_fgfg ._acefe =_dfg .NewReader (_fgfg ._dddeff );_bfe :=20;_cdbb :=make ([]byte ,_bfe );var (_cbfa bool ;
_dgc int ;);for {_agab ,_gdfd :=_fgfg ._acefe .ReadByte ();if _gdfd !=nil {if _gdfd ==_abb .EOF {break ;}else {return _gdfd ;};};if IsDecimalDigit (_agab )&&_cdbb [_bfe -1]=='.'&&IsDecimalDigit (_cdbb [_bfe -2])&&_cdbb [_bfe -3]=='-'&&_cdbb [_bfe -4]=='F'&&_cdbb [_bfe -5]=='D'&&_cdbb [_bfe -6]=='P'&&_cdbb [_bfe -7]=='%'{_fgfg ._bccef =Version {Major :int (_cdbb [_bfe -2]-'0'),Minor :int (_agab -'0')};
_fgfg ._efdb ._dacc =_dgc -7;_cbfa =true ;break ;};_dgc ++;_cdbb =append (_cdbb [1:_bfe ],_agab );};if !_cbfa {return _ab .Errorf ("n\u006f \u0066\u0069\u006c\u0065\u0020\u0068\u0065\u0061d\u0065\u0072\u0020\u0066ou\u006e\u0064");};_ddda ,_bge :=_fgfg ._acefe .ReadByte ();
if _bge ==_abb .EOF {return _ab .Errorf ("\u006eo\u0074\u0020\u0061\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0050d\u0066\u0020\u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074");};if _bge !=nil {return _bge ;};_fgfg ._efdb ._ffd =_ddda =='\n';_ddda ,_bge =_fgfg ._acefe .ReadByte ();
if _bge !=nil {return _ab .Errorf ("\u006e\u006f\u0074\u0020a\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0070\u0064\u0066 \u0064o\u0063\u0075\u006d\u0065\u006e\u0074\u003a \u0025\u0077",_bge );};if _ddda !='%'{return nil ;};_bcgb :=make ([]byte ,4);_ ,_bge =_fgfg ._acefe .Read (_bcgb );
if _bge !=nil {return _ab .Errorf ("\u006e\u006f\u0074\u0020a\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0070\u0064\u0066 \u0064o\u0063\u0075\u006d\u0065\u006e\u0074\u003a \u0025\u0077",_bge );};_fgfg ._efdb ._adaf =[4]byte {_bcgb [0],_bcgb [1],_bcgb [2],_bcgb [3]};
return nil ;};

// WriteString outputs the object as it is to be written to file.
func (_acbfa *PdfObjectString )WriteString ()string {var _ecfde _fc .Buffer ;if _acbfa ._fbeb {_aeag :=_e .EncodeToString (_acbfa .Bytes ());_ecfde .WriteString ("\u003c");_ecfde .WriteString (_aeag );_ecfde .WriteString ("\u003e");return _ecfde .String ();
};_ebeff :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_ecfde .WriteString ("\u0028");for _aaefb :=0;_aaefb < len (_acbfa ._bdgdf );
_aaefb ++{_adgde :=_acbfa ._bdgdf [_aaefb ];if _agcd ,_bafc :=_ebeff [_adgde ];_bafc {_ecfde .WriteString (_agcd );}else {_ecfde .WriteByte (_adgde );};};_ecfde .WriteString ("\u0029");return _ecfde .String ();};func (_fgbc *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_fgbc ._ccacbg .ObjectMap =make (map[int ]XrefObject );
_fgbc ._cacf =make (objectStreams );_edag ,_abdc :=_fgbc ._dddeff .Seek (0,_abb .SeekEnd );if _abdc !=nil {return nil ,_abdc ;};_c .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_edag );_fgbc ._eggf =_edag ;_abdc =_fgbc .seekToEOFMarker (_edag );
if _abdc !=nil {_c .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",_abdc );return nil ,_abdc ;};_gadd ,_abdc :=_fgbc ._dddeff .Seek (0,_abb .SeekCurrent );
if _abdc !=nil {return nil ,_abdc ;};var _cgaa int64 =64;_cegf :=_gadd -_cgaa ;if _cegf < 0{_cegf =0;};_ ,_abdc =_fgbc ._dddeff .Seek (_cegf ,_abb .SeekStart );if _abdc !=nil {return nil ,_abdc ;};_fbgd :=make ([]byte ,_cgaa );_ ,_abdc =_fgbc ._dddeff .Read (_fbgd );
if _abdc !=nil {_c .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",_abdc );
return nil ,_abdc ;};_gafeg :=_fdgd .FindStringSubmatch (string (_fbgd ));if len (_gafeg )< 2{_c .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 ,_df .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};if len (_gafeg )> 2{_c .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",_fbgd );return nil ,_df .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");
};_ebaa ,_ :=_dd .ParseInt (_gafeg [1],10,64);_c .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_ebaa );if _ebaa > _edag {_c .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");
_c .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");_ebaa ,_abdc =_fgbc .repairLocateXref ();if _abdc !=nil {_c .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 ,_abdc ;};};_fgbc ._dddeff .Seek (_ebaa ,_abb .SeekStart );_fgbc ._acefe =_dfg .NewReader (_fgbc ._dddeff );_fggfg ,_abdc :=_fgbc .parseXref ();if _abdc !=nil {return nil ,_abdc ;};_bfec :=_fggfg .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");
if _bfec !=nil {_eceee ,_fdbae :=_bfec .(*PdfObjectInteger );if !_fdbae {return nil ,_df .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_abdc =_fgbc .parseXrefStream (_eceee );if _abdc !=nil {return nil ,_abdc ;
};};var _acefa []int64 ;_fbde :=func (_dbced int64 ,_gdabc []int64 )bool {for _ ,_baaf :=range _gdabc {if _baaf ==_dbced {return true ;};};return false ;};_bfec =_fggfg .Get ("\u0050\u0072\u0065\u0076");for _bfec !=nil {_bfdd ,_eebde :=_bfec .(*PdfObjectInteger );
if !_eebde {_c .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",_bfec );
return _fggfg ,nil ;};_ccb :=*_bfdd ;_c .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",_ccb );_fgbc ._dddeff .Seek (int64 (_ccb ),_abb .SeekStart );
_fgbc ._acefe =_dfg .NewReader (_fgbc ._dddeff );_aagd ,_gccb :=_fgbc .parseXref ();if _gccb !=nil {_c .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");
_c .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 ;};_fgbc ._fabg =append (_fgbc ._fabg ,int64 (_ccb ));
_bfec =_aagd .Get ("\u0050\u0072\u0065\u0076");if _bfec !=nil {_afcbe :=*(_bfec .(*PdfObjectInteger ));if _fbde (int64 (_afcbe ),_acefa ){_c .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 ;};_acefa =append (_acefa ,int64 (_afcbe ));};};return _fggfg ,nil ;};

// 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};

// Elements returns a slice of the PdfObject elements in the array.
func (_bgaad *PdfObjectArray )Elements ()[]PdfObject {if _bgaad ==nil {return nil ;};return _bgaad ._dbaf ;};

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

// DecodeStream decodes a multi-encoded stream by passing it through the
// DecodeStream method of the underlying encoders.
func (_accf *MultiEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _accf .DecodeBytes (streamObj .Stream );};func (_bdafb *PdfParser )rebuildXrefTable ()error {_ebdf :=XrefTable {};_ebdf .ObjectMap =map[int ]XrefObject {};_afebb :=make ([]int ,0,len (_bdafb ._ccacbg .ObjectMap ));
for _gbfgb :=range _bdafb ._ccacbg .ObjectMap {_afebb =append (_afebb ,_gbfgb );};_gc .Ints (_afebb );for _ ,_bddb :=range _afebb {_gdfad :=_bdafb ._ccacbg .ObjectMap [_bddb ];_beegb ,_ ,_cagg :=_bdafb .lookupByNumberWrapper (_bddb ,false );if _cagg !=nil {_c .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",_cagg );
_c .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");
_bbgdf ,_ffbb :=_bdafb .repairRebuildXrefsTopDown ();if _ffbb !=nil {_c .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",_ffbb );
return _ffbb ;};_bdafb ._ccacbg =*_bbgdf ;_c .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_ccacf ,_dagd ,_cagg :=_fdf (_beegb );if _cagg !=nil {return _cagg ;
};_gdfad .ObjectNumber =int (_ccacf );_gdfad .Generation =int (_dagd );_ebdf .ObjectMap [int (_ccacf )]=_gdfad ;};_bdafb ._ccacbg =_ebdf ;_c .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");
_cge (_bdafb ._ccacbg );return nil ;};func _fgea (_cefgd PdfObject ,_begbc int )PdfObject {if _begbc > _dcbcdf {_c .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",_dcbcdf );
return MakeNull ();};switch _bbdg :=_cefgd .(type ){case *PdfIndirectObject :_cefgd =_fgea ((*_bbdg ).PdfObject ,_begbc +1);case *PdfObjectArray :for _badbg ,_fcgad :=range (*_bbdg )._dbaf {(*_bbdg )._dbaf [_badbg ]=_fgea (_fcgad ,_begbc +1);};case *PdfObjectDictionary :for _fbcef ,_ffeb :=range (*_bbdg )._bafd {(*_bbdg )._bafd [_fbcef ]=_fgea (_ffeb ,_begbc +1);
};_gc .Slice ((*_bbdg )._egde ,func (_fgfb ,_egbgf int )bool {return (*_bbdg )._egde [_fgfb ]< (*_bbdg )._egde [_egbgf ]});};return _cefgd ;};

// WriteString outputs the object as it is to be written to file.
func (_gcbg *PdfObjectFloat )WriteString ()string {return _dd .FormatFloat (float64 (*_gcbg ),'f',-1,64);};type encryptDict struct{Filter string ;V int ;SubFilter string ;Length int ;StmF string ;StrF string ;EFF string ;CF map[string ]_cb .FilterDict ;
};

// IsOctalDigit checks if a character can be part of an octal digit string.
func IsOctalDigit (c byte )bool {return '0'<=c &&c <='7'};

// 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 )(_fcgb *PdfObjectBool ,_faac bool ){_fcgb ,_faac =TraceToDirectObject (obj ).(*PdfObjectBool );return _fcgb ,_faac ;};

// DecodeStream decodes a DCT encoded stream and returns the result as a
// slice of bytes.
func (_bgf *DCTEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _bgf .DecodeBytes (streamObj .Stream );};var _efcf =_gcd .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");


// 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 ;};var _gged =_gcd .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");

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

// GetParser returns the parser for lazy-loading or compare references.
func (_cdegf *PdfObjectReference )GetParser ()*PdfParser {return _cdegf ._abde };func (_abec *PdfParser )skipComments ()error {if _ ,_cfge :=_abec .skipSpaces ();_cfge !=nil {return _cfge ;};_gbdg :=true ;for {_adgd ,_fgdag :=_abec ._acefe .Peek (1);if _fgdag !=nil {_c .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_fgdag .Error ());
return _fgdag ;};if _gbdg &&_adgd [0]!='%'{return nil ;};_gbdg =false ;if (_adgd [0]!='\r')&&(_adgd [0]!='\n'){_abec ._acefe .ReadByte ();}else {break ;};};return _abec .skipComments ();};

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

// NewRawEncoder returns a new instace of RawEncoder.
func NewRawEncoder ()*RawEncoder {return &RawEncoder {}};

// Append appends PdfObject(s) to the array.
func (_gdedd *PdfObjectArray )Append (objects ...PdfObject ){if _gdedd ==nil {_c .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 ;};_gdedd ._dbaf =append (_gdedd ._dbaf ,objects ...);};

// ParseDict reads and parses a PDF dictionary object enclosed with '<<' and '>>'
func (_fafb *PdfParser )ParseDict ()(*PdfObjectDictionary ,error ){_c .Log .Trace ("\u0052\u0065\u0061\u0064\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020D\u0069\u0063\u0074\u0021");_gcad :=MakeDict ();_gcad ._fcaa =_fafb ;_eccb ,_ :=_fafb ._acefe .ReadByte ();
if _eccb !='<'{return nil ,_df .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");};_eccb ,_ =_fafb ._acefe .ReadByte ();if _eccb !='<'{return nil ,_df .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");
};for {_fafb .skipSpaces ();_fafb .skipComments ();_aacf ,_cefc :=_fafb ._acefe .Peek (2);if _cefc !=nil {return nil ,_cefc ;};_c .Log .Trace ("D\u0069c\u0074\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_aacf ),string (_aacf ));
if (_aacf [0]=='>')&&(_aacf [1]=='>'){_c .Log .Trace ("\u0045\u004f\u0046\u0020\u0064\u0069\u0063\u0074\u0069o\u006e\u0061\u0072\u0079");_fafb ._acefe .ReadByte ();_fafb ._acefe .ReadByte ();break ;};_c .Log .Trace ("\u0050a\u0072s\u0065\u0020\u0074\u0068\u0065\u0020\u006e\u0061\u006d\u0065\u0021");
_eecg ,_cefc :=_fafb .parseName ();_c .Log .Trace ("\u004be\u0079\u003a\u0020\u0025\u0073",_eecg );if _cefc !=nil {_c .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",_cefc );
return nil ,_cefc ;};if len (_eecg )> 4&&_eecg [len (_eecg )-4:]=="\u006e\u0075\u006c\u006c"{_ecdg :=_eecg [0:len (_eecg )-4];_c .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",_eecg );
_c .Log .Debug ("\u004e\u0065\u0077\u0020ke\u0079\u0020\u0022\u0025\u0073\u0022\u0020\u003d\u0020\u006e\u0075\u006c\u006c",_ecdg );_fafb .skipSpaces ();_gdgd ,_ :=_fafb ._acefe .Peek (1);if _gdgd [0]=='/'{_gcad .Set (_ecdg ,MakeNull ());continue ;};};_fafb .skipSpaces ();
_fcgd ,_cefc :=_fafb .parseObject ();if _cefc !=nil {return nil ,_cefc ;};_gcad .Set (_eecg ,_fcgd );if _c .Log .IsLogLevel (_c .LogLevelTrace ){_c .Log .Trace ("\u0064\u0069\u0063\u0074\u005b\u0025\u0073\u005d\u0020\u003d\u0020\u0025\u0073",_eecg ,_fcgd .String ());
};};_c .Log .Trace ("\u0072\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020\u0044\u0069\u0063\u0074\u0021");return _gcad ,nil ;};func (_cafa *PdfParser )seekToEOFMarker (_adde int64 )error {var _egfa int64 ;var _dafc int64 =2048;for _egfa < _adde -4{if _adde <=(_dafc +_egfa ){_dafc =_adde -_egfa ;
};_ ,_afdb :=_cafa ._dddeff .Seek (_adde -_egfa -_dafc ,_abb .SeekStart );if _afdb !=nil {return _afdb ;};_beaa :=make ([]byte ,_dafc );_cafa ._dddeff .Read (_beaa );_c .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 (_beaa ));
_cffb :=_bbaa .FindAllStringIndex (string (_beaa ),-1);if _cffb !=nil {_fbfc :=_cffb [len (_cffb )-1];_c .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_cffb );_edae :=_adde -_egfa -_dafc +int64 (_fbfc [0]);_cafa ._dddeff .Seek (_edae ,_abb .SeekStart );
return nil ;};_c .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");
_egfa +=_dafc -4;};_c .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 _gabd ;};func (_cbeef *PdfParser )repairLocateXref ()(int64 ,error ){_bbee :=int64 (1000);
_cbeef ._dddeff .Seek (-_bbee ,_abb .SeekCurrent );_cefcd ,_ggdc :=_cbeef ._dddeff .Seek (0,_abb .SeekCurrent );if _ggdc !=nil {return 0,_ggdc ;};_caabf :=make ([]byte ,_bbee );_cbeef ._dddeff .Read (_caabf );_agec :=_egad .FindAllStringIndex (string (_caabf ),-1);
if len (_agec )< 1{_c .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,_df .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");
};_agee :=int64 (_agec [len (_agec )-1][0]);_geaa :=_cefcd +_agee ;return _geaa ,nil ;};

// GetAsFloat64Slice returns the array as []float64 slice.
// Returns an error if not entirely numeric (only PdfObjectIntegers, PdfObjectFloats).
func (_addf *PdfObjectArray )GetAsFloat64Slice ()([]float64 ,error ){var _gdcb []float64 ;for _ ,_afbed :=range _addf .Elements (){_fadcc ,_bfddb :=GetNumberAsFloat (TraceToDirectObject (_afbed ));if _bfddb !=nil {return nil ,_ab .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");
};_gdcb =append (_gdcb ,_fadcc );};return _gdcb ,nil ;};

// DecodeBytes decodes a slice of JBIG2 encoded bytes and returns the results.
func (_eedfb *JBIG2Encoder )DecodeBytes (encoded []byte )([]byte ,error ){return _ag .DecodeBytes (encoded ,_dfe .Parameters {},_eedfb .Globals );};

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

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

// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_cbe *PdfCrypt )GetAccessPermissions ()_fg .Permissions {return _cbe ._cdd .P };func (_effb *PdfParser )parseObject ()(PdfObject ,error ){_c .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");
_effb .skipSpaces ();for {_daac ,_fdbc :=_effb ._acefe .Peek (2);if _fdbc !=nil {if _fdbc !=_abb .EOF ||len (_daac )==0{return nil ,_fdbc ;};if len (_daac )==1{_daac =append (_daac ,' ');};};_c .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_daac ));
if _daac [0]=='/'{_fffgc ,_ddbda :=_effb .parseName ();_c .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_fffgc );return &_fffgc ,_ddbda ;}else if _daac [0]=='('{_c .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");
_edaaf ,_eccdf :=_effb .parseString ();return _edaaf ,_eccdf ;}else if _daac [0]=='['{_c .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");_ddfg ,_aafe :=_effb .parseArray ();return _ddfg ,_aafe ;}else if (_daac [0]=='<')&&(_daac [1]=='<'){_c .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");
_gcfb ,_gaag :=_effb .ParseDict ();return _gcfb ,_gaag ;}else if _daac [0]=='<'{_c .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");_abgd ,_deae :=_effb .parseHexString ();return _abgd ,_deae ;}else if _daac [0]=='%'{_effb .readComment ();
_effb .skipSpaces ();}else {_c .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_daac ,_ =_effb ._acefe .Peek (15);_cgefa :=string (_daac );_c .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_cgefa );
if (len (_cgefa )> 3)&&(_cgefa [:4]=="\u006e\u0075\u006c\u006c"){_gcab ,_egff :=_effb .parseNull ();return &_gcab ,_egff ;}else if (len (_cgefa )> 4)&&(_cgefa [:5]=="\u0066\u0061\u006cs\u0065"){_ddbfb ,_gbcg :=_effb .parseBool ();return &_ddbfb ,_gbcg ;
}else if (len (_cgefa )> 3)&&(_cgefa [:4]=="\u0074\u0072\u0075\u0065"){_cdgb ,_bfce :=_effb .parseBool ();return &_cdgb ,_bfce ;};_adgb :=_fag .FindStringSubmatch (_cgefa );if len (_adgb )> 1{_daac ,_ =_effb ._acefe .ReadBytes ('R');_c .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_daac [:]));
_fefe ,_degg :=_dgec (string (_daac ));_fefe ._abde =_effb ;return &_fefe ,_degg ;};_ecdbg :=_gaff .FindStringSubmatch (_cgefa );if len (_ecdbg )> 1{_c .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");_ggbed ,_caf :=_effb .parseNumber ();
return _ggbed ,_caf ;};_ecdbg =_ccad .FindStringSubmatch (_cgefa );if len (_ecdbg )> 1{_c .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");_c .Log .Trace ("\u0025\u0020\u0073",_ecdbg );
_fdeb ,_gafee :=_effb .parseNumber ();return _fdeb ,_gafee ;};_c .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_cgefa );return nil ,_df .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");
};};};

// GetPreviousRevisionParser returns PdfParser for the previous version of the Pdf document.
func (_dffg *PdfParser )GetPreviousRevisionParser ()(*PdfParser ,error ){if _dffg ._bece ==0{return nil ,_df .New ("\u0074\u0068\u0069\u0073 i\u0073\u0020\u0066\u0069\u0072\u0073\u0074\u0020\u0072\u0065\u0076\u0069\u0073\u0069o\u006e");};if _egfg ,_dagf :=_dffg ._acecg [_dffg ];
_dagf {return _egfg ,nil ;};_gabca ,_edbcf :=_dffg .GetPreviousRevisionReadSeeker ();if _edbcf !=nil {return nil ,_edbcf ;};_cabad ,_edbcf :=NewParser (_gabca );_cabad ._acecg =_dffg ._acecg ;if _edbcf !=nil {return nil ,_edbcf ;};_dffg ._acecg [_dffg ]=_cabad ;
return _cabad ,nil ;};func (_fgag *FlateEncoder )postDecodePredict (_aebd []byte )([]byte ,error ){if _fgag .Predictor > 1{if _fgag .Predictor ==2{_c .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_c .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_fgag .Colors );
_bcce :=_fgag .Columns *_fgag .Colors ;if _bcce < 1{return []byte {},nil ;};_gded :=len (_aebd )/_bcce ;if len (_aebd )%_bcce !=0{_c .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 ,_ab .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 (_aebd ),_bcce );};if _bcce %_fgag .Colors !=0{return nil ,_ab .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",_bcce ,_fgag .Colors );
};if _bcce > len (_aebd ){_c .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",_bcce ,len (_aebd ));
return nil ,_df .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_c .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_aebd ),_aebd );
_facf :=_fc .NewBuffer (nil );for _bba :=0;_bba < _gded ;_bba ++{_bdeg :=_aebd [_bcce *_bba :_bcce *(_bba +1)];for _gedf :=_fgag .Colors ;_gedf < _bcce ;_gedf ++{_bdeg [_gedf ]+=_bdeg [_gedf -_fgag .Colors ];};_facf .Write (_bdeg );};_abbed :=_facf .Bytes ();
_c .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_abbed ),_abbed );return _abbed ,nil ;}else if _fgag .Predictor >=10&&_fgag .Predictor <=15{_c .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_aac :=_fgag .Columns *_fgag .Colors +1;_daaa :=len (_aebd )/_aac ;if len (_aebd )%_aac !=0{return nil ,_ab .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 (_aebd ),_aac );
};if _aac > len (_aebd ){_c .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",_aac ,len (_aebd ));
return nil ,_df .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_age :=_fc .NewBuffer (nil );_c .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_fgag .Columns );
_c .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_aebd ),_aac ,_daaa );_cbbcd :=make ([]byte ,_aac );for _cgc :=0;_cgc < _aac ;_cgc ++{_cbbcd [_cgc ]=0;};_ceca :=_fgag .Colors ;
for _edfe :=0;_edfe < _daaa ;_edfe ++{_bcdd :=_aebd [_aac *_edfe :_aac *(_edfe +1)];_gea :=_bcdd [0];switch _gea {case _afcga :case _edcd :for _bebe :=1+_ceca ;_bebe < _aac ;_bebe ++{_bcdd [_bebe ]+=_bcdd [_bebe -_ceca ];};case _gcaa :for _fda :=1;_fda < _aac ;
_fda ++{_bcdd [_fda ]+=_cbbcd [_fda ];};case _eac :for _dbc :=1;_dbc < _ceca +1;_dbc ++{_bcdd [_dbc ]+=_cbbcd [_dbc ]/2;};for _bbgg :=_ceca +1;_bbgg < _aac ;_bbgg ++{_bcdd [_bbgg ]+=byte ((int (_bcdd [_bbgg -_ceca ])+int (_cbbcd [_bbgg ]))/2);};case _eeff :for _abc :=1;
_abc < _aac ;_abc ++{var _aada ,_bcbe ,_ggcee byte ;_bcbe =_cbbcd [_abc ];if _abc >=_ceca +1{_aada =_bcdd [_abc -_ceca ];_ggcee =_cbbcd [_abc -_ceca ];};_bcdd [_abc ]+=_gfdbd (_aada ,_bcbe ,_ggcee );};default:_c .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",_gea ,_edfe );
return nil ,_ab .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_gea );};copy (_cbbcd ,_bcdd );_age .Write (_bcdd [1:]);};_fdfd :=_age .Bytes ();return _fdfd ,nil ;
}else {_c .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",_fgag .Predictor );return nil ,_ab .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",_fgag .Predictor );
};};return _aebd ,nil ;};

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

// 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 ;};

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

// GetObjectNums returns a sorted list of object numbers of the PDF objects in the file.
func (_fbadc *PdfParser )GetObjectNums ()[]int {var _dfegb []int ;for _ ,_ddfd :=range _fbadc ._ccacbg .ObjectMap {_dfegb =append (_dfegb ,_ddfd .ObjectNumber );};_gc .Ints (_dfegb );return _dfegb ;};

// 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 _ffabd (o ,0,traversed );};func _gbe (_gfb *_fg .StdEncryptDict ,_ddde *PdfObjectDictionary ){_ddde .Set ("\u0052",MakeInteger (int64 (_gfb .R )));
_ddde .Set ("\u0050",MakeInteger (int64 (_gfb .P )));_ddde .Set ("\u004f",MakeStringFromBytes (_gfb .O ));_ddde .Set ("\u0055",MakeStringFromBytes (_gfb .U ));if _gfb .R >=5{_ddde .Set ("\u004f\u0045",MakeStringFromBytes (_gfb .OE ));_ddde .Set ("\u0055\u0045",MakeStringFromBytes (_gfb .UE ));
_ddde .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_gfb .EncryptMetadata ));if _gfb .R > 5{_ddde .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_gfb .Perms ));};};};

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

// 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 *_dfg .Reader )(PdfObject ,error ){_abfe :=false ;_eccge :=true ;var _gbbf _fc .Buffer ;for {if _c .Log .IsLogLevel (_c .LogLevelTrace ){_c .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_gbbf .String ());
};_cebff ,_bagac :=buf .Peek (1);if _bagac ==_abb .EOF {break ;};if _bagac !=nil {_c .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_bagac );return nil ,_bagac ;};if _eccge &&(_cebff [0]=='-'||_cebff [0]=='+'){_adfc ,_ :=buf .ReadByte ();
_gbbf .WriteByte (_adfc );_eccge =false ;}else if IsDecimalDigit (_cebff [0]){_aded ,_ :=buf .ReadByte ();_gbbf .WriteByte (_aded );}else if _cebff [0]=='.'{_edbcff ,_ :=buf .ReadByte ();_gbbf .WriteByte (_edbcff );_abfe =true ;}else if _cebff [0]=='e'||_cebff [0]=='E'{_bdga ,_ :=buf .ReadByte ();
_gbbf .WriteByte (_bdga );_abfe =true ;_eccge =true ;}else {break ;};};var _cgdfg PdfObject ;if _abfe {_fbaf ,_gbbd :=_dd .ParseFloat (_gbbf .String (),64);if _gbbd !=nil {_c .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",_gbbf .String (),_gbbd );
_fbaf =0.0;};_fbafe :=PdfObjectFloat (_fbaf );_cgdfg =&_fbafe ;}else {_cdadb ,_dcdd :=_dd .ParseInt (_gbbf .String (),10,64);if _dcdd !=nil {_c .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",_gbbf .String (),_dcdd );
_cdadb =0;};_gdfb :=PdfObjectInteger (_cdadb );_cgdfg =&_gdfb ;};return _cgdfg ,nil ;};

// PdfObjectNull represents the primitive PDF null object.
type PdfObjectNull struct{};func (_bdeagb *PdfParser )parseLinearizedDictionary ()(*PdfObjectDictionary ,error ){_bgfe ,_egabe :=_bdeagb ._dddeff .Seek (0,_abb .SeekEnd );if _egabe !=nil {return nil ,_egabe ;};var _fcfe int64 ;var _ceab int64 =2048;for _fcfe < _bgfe -4{if _bgfe <=(_ceab +_fcfe ){_ceab =_bgfe -_fcfe ;
};_ ,_efee :=_bdeagb ._dddeff .Seek (_fcfe ,_abb .SeekStart );if _efee !=nil {return nil ,_efee ;};_bbfg :=make ([]byte ,_ceab );_ ,_efee =_bdeagb ._dddeff .Read (_bbfg );if _efee !=nil {return nil ,_efee ;};_c .Log .Trace ("\u004c\u006f\u006f\u006b\u0069\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0066i\u0072\u0073\u0074\u0020\u0069\u006ed\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u003a \u0022\u0025\u0073\u0022",string (_bbfg ));
_caafa :=_efcf .FindAllStringIndex (string (_bbfg ),-1);if _caafa !=nil {_aacfa :=_caafa [0];_c .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_caafa );_ ,_dgaege :=_bdeagb ._dddeff .Seek (int64 (_aacfa [0]),_abb .SeekStart );if _dgaege !=nil {return nil ,_dgaege ;
};_bdeagb ._acefe =_dfg .NewReader (_bdeagb ._dddeff );_gedg ,_dgaege :=_bdeagb .ParseIndirectObject ();if _dgaege !=nil {return nil ,nil ;};if _ccge ,_efbf :=GetIndirect (_gedg );_efbf {if _aaag ,_fdbad :=GetDict (_ccge .PdfObject );_fdbad {if _faeb :=_aaag .Get ("\u004c\u0069\u006e\u0065\u0061\u0072\u0069\u007a\u0065\u0064");
_faeb !=nil {return _aaag ,nil ;};return nil ,nil ;};};return nil ,nil ;};_fcfe +=_ceab -4;};return nil ,_df .New ("\u0074\u0068\u0065\u0020\u0066\u0069\u0072\u0073\u0074\u0020\u006fb\u006a\u0065\u0063\u0074\u0020\u006e\u006f\u0074\u0020\u0066o\u0075\u006e\u0064");
};

// 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 (_cebf *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _gadg ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _cebf .ColorComponents !=1||_cebf .BitsPerComponent !=1{return nil ,_ca .Errorf (_gadg ,"\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 (_acgf *_gda .Bitmap ;_aefe error ;);_bbbf :=(_cebf .Width *_cebf .Height )==len (data );if _bbbf {_acgf ,_aefe =_gda .NewWithUnpaddedData (_cebf .Width ,_cebf .Height ,data );}else {_acgf ,_aefe =_gda .NewWithData (_cebf .Width ,_cebf .Height ,data );
};if _aefe !=nil {return nil ,_aefe ;};_baca :=_cebf .DefaultPageSettings ;if _aefe =_baca .Validate ();_aefe !=nil {return nil ,_ca .Wrap (_aefe ,_gadg ,"");};if _cebf ._fbgf ==nil {_cebf ._fbgf =_fb .InitEncodeDocument (_baca .FileMode );};switch _baca .Compression {case JB2Generic :if _aefe =_cebf ._fbgf .AddGenericPage (_acgf ,_baca .DuplicatedLinesRemoval );
_aefe !=nil {return nil ,_ca .Wrap (_aefe ,_gadg ,"");};case JB2SymbolCorrelation :return nil ,_ca .Error (_gadg ,"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 ,_ca .Error (_gadg ,"\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 ,_ca .Error (_gadg ,"\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 _cebf .Encode ();};func _efae (_caba *PdfObjectStream )(*MultiEncoder ,error ){_fgagc :=NewMultiEncoder ();
_bcfe :=_caba .PdfObjectDictionary ;if _bcfe ==nil {return _fgagc ,nil ;};var _ceac *PdfObjectDictionary ;var _dffef []PdfObject ;_ggcg :=_bcfe .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _ggcg !=nil {_aggc ,_gbeed :=_ggcg .(*PdfObjectDictionary );
if _gbeed {_ceac =_aggc ;};_bbfd ,_gbdb :=_ggcg .(*PdfObjectArray );if _gbdb {for _ ,_bee :=range _bbfd .Elements (){_bee =TraceToDirectObject (_bee );if _dadf ,_bfeb :=_bee .(*PdfObjectDictionary );_bfeb {_dffef =append (_dffef ,_dadf );}else {_dffef =append (_dffef ,MakeDict ());
};};};};_ggcg =_bcfe .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");if _ggcg ==nil {return nil ,_ab .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");};_dgfg ,_abbeb :=_ggcg .(*PdfObjectArray );if !_abbeb {return nil ,_ab .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 _adb ,_egbae :=range _dgfg .Elements (){_cacg ,_cacb :=_egbae .(*PdfObjectName );if !_cacb {return nil ,_ab .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 _aeca PdfObject ;if _ceac !=nil {_aeca =_ceac ;}else {if len (_dffef )> 0{if _adb >=len (_dffef ){return nil ,_ab .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");
};_aeca =_dffef [_adb ];};};var _gebcd *PdfObjectDictionary ;if _cfeb ,_dbbg :=_aeca .(*PdfObjectDictionary );_dbbg {_gebcd =_cfeb ;};_c .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",*_cacg ,_aeca ,_gebcd );
if *_cacg ==StreamEncodingFilterNameFlate {_ccdc ,_gefgc :=_afadf (_caba ,_gebcd );if _gefgc !=nil {return nil ,_gefgc ;};_fgagc .AddEncoder (_ccdc );}else if *_cacg ==StreamEncodingFilterNameLZW {_efgfb ,_cbgg :=_ebd (_caba ,_gebcd );if _cbgg !=nil {return nil ,_cbgg ;
};_fgagc .AddEncoder (_efgfb );}else if *_cacg ==StreamEncodingFilterNameASCIIHex {_dgdb :=NewASCIIHexEncoder ();_fgagc .AddEncoder (_dgdb );}else if *_cacg ==StreamEncodingFilterNameASCII85 {_fbfd :=NewASCII85Encoder ();_fgagc .AddEncoder (_fbfd );}else if *_cacg ==StreamEncodingFilterNameDCT {_accd ,_ecea :=_geg (_caba ,_fgagc );
if _ecea !=nil {return nil ,_ecea ;};_fgagc .AddEncoder (_accd );_c .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_c .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_fgagc );
}else if *_cacg ==StreamEncodingFilterNameCCITTFax {_fabe ,_dgeb :=_agfce (_caba ,_gebcd );if _dgeb !=nil {return nil ,_dgeb ;};_fgagc .AddEncoder (_fabe );}else {_c .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_cacg );
return nil ,_ab .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 _fgagc ,nil ;};

// String returns a string describing `ref`.
func (_agfga *PdfObjectReference )String ()string {return _ab .Sprintf ("\u0052\u0065\u0066\u0028\u0025\u0064\u0020\u0025\u0064\u0029",_agfga .ObjectNumber ,_agfga .GenerationNumber );};

// 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 (_feccc *JBIG2Encoder )AddPageImage (img *JBIG2Image ,settings *JBIG2EncoderSettings )(_aab error ){const _fea ="\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 _feccc ==nil {return _ca .Error (_fea ,"J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u0020\u0069\u0073 n\u0069\u006c");};if settings ==nil {settings =&_feccc .DefaultPageSettings ;};if _feccc ._fbgf ==nil {_feccc ._fbgf =_fb .InitEncodeDocument (settings .FileMode );
};if _aab =settings .Validate ();_aab !=nil {return _ca .Wrap (_aab ,_fea ,"");};_egea ,_aab :=img .toBitmap ();if _aab !=nil {return _ca .Wrap (_aab ,_fea ,"");};switch settings .Compression {case JB2Generic :if _aab =_feccc ._fbgf .AddGenericPage (_egea ,settings .DuplicatedLinesRemoval );
_aab !=nil {return _ca .Wrap (_aab ,_fea ,"");};case JB2SymbolCorrelation :return _ca .Error (_fea ,"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 _ca .Error (_fea ,"\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 _ca .Error (_fea ,"\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 (_gafcg *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_abb .SeekStart {offset +=_gafcg ._gacff ;
};_fead ,_fgadd :=_gafcg ._acag .Seek (offset ,whence );if _fgadd !=nil {return _fead ,_fgadd ;};if whence ==_abb .SeekCurrent {_fead -=_gafcg ._gacff ;};if _fead < 0{return 0,_df .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 _fead ,nil ;};

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

// SetImage sets the image base for given flate encoder.
func (_debfa *FlateEncoder )SetImage (img *_ce .ImageBase ){_debfa ._eaff =img };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";);

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

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

// MakeDictMap creates a PdfObjectDictionary initialized from a map of keys to values.
func MakeDictMap (objmap map[string ]PdfObject )*PdfObjectDictionary {_dggbg :=MakeDict ();return _dggbg .Update (objmap );};func (_fga *PdfCrypt )authenticate (_agbg []byte )(bool ,error ){_fga ._eed =false ;_bbcd :=_fga .securityHandler ();_dab ,_gbb ,_egf :=_bbcd .Authenticate (&_fga ._cdd ,_agbg );
if _egf !=nil {return false ,_egf ;}else if _gbb ==0||len (_dab )==0{return false ,nil ;};_fga ._eed =true ;_fga ._ec =_dab ;return true ,nil ;};

// PdfObjectFloat represents the primitive PDF floating point numerical object.
type PdfObjectFloat float64 ;func (_cfed *PdfParser )skipSpaces ()(int ,error ){_gbed :=0;for {_cgdf ,_ccefa :=_cfed ._acefe .ReadByte ();if _ccefa !=nil {return 0,_ccefa ;};if IsWhiteSpace (_cgdf ){_gbed ++;}else {_cfed ._acefe .UnreadByte ();break ;};
};return _gbed ,nil ;};func (_ecad *PdfParser )readTextLine ()(string ,error ){var _acae _fc .Buffer ;for {_ffdc ,_ecgc :=_ecad ._acefe .Peek (1);if _ecgc !=nil {_c .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_ecgc .Error ());return _acae .String (),_ecgc ;
};if (_ffdc [0]!='\r')&&(_ffdc [0]!='\n'){_aadfa ,_ :=_ecad ._acefe .ReadByte ();_acae .WriteByte (_aadfa );}else {break ;};};return _acae .String (),nil ;};

// 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 (_bbba *PdfObjectDictionary )SetIfNotNil (key PdfObjectName ,val PdfObject ){if val !=nil {switch _eaaec :=val .(type ){case *PdfObjectName :if _eaaec !=nil {_bbba .Set (key ,val );};case *PdfObjectDictionary :if _eaaec !=nil {_bbba .Set (key ,val );
};case *PdfObjectStream :if _eaaec !=nil {_bbba .Set (key ,val );};case *PdfObjectString :if _eaaec !=nil {_bbba .Set (key ,val );};case *PdfObjectNull :if _eaaec !=nil {_bbba .Set (key ,val );};case *PdfObjectInteger :if _eaaec !=nil {_bbba .Set (key ,val );
};case *PdfObjectArray :if _eaaec !=nil {_bbba .Set (key ,val );};case *PdfObjectBool :if _eaaec !=nil {_bbba .Set (key ,val );};case *PdfObjectFloat :if _eaaec !=nil {_bbba .Set (key ,val );};case *PdfObjectReference :if _eaaec !=nil {_bbba .Set (key ,val );
};case *PdfIndirectObject :if _eaaec !=nil {_bbba .Set (key ,val );};default:_c .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 );
};};};func (_bgag *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){_bgag .skipSpaces ();const _aggb =20;_fgee ,_ :=_bgag ._acefe .Peek (_aggb );for _efde :=0;_efde < 2;_efde ++{if _bgag ._aedbf ==0{_bgag ._aedbf =_bgag .GetFileOffset ();};if _efcf .Match (_fgee ){_c .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");
_c .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_fgee ));return _bgag .parseXrefStream (nil );};if _gged .Match (_fgee ){_c .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 _bgag .parseXrefTable ();};_ccdca :=_bgag .GetFileOffset ();if _bgag ._aedbf ==0{_bgag ._aedbf =_ccdca ;};_bgag .SetFileOffset (_ccdca -_aggb );defer _bgag .SetFileOffset (_ccdca );_dagc ,_ :=_bgag ._acefe .Peek (_aggb );_fgee =append (_dagc ,_fgee ...);
};_c .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 _dfecc :=_bgag .repairSeekXrefMarker ();_dfecc !=nil {_c .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_dfecc );return nil ,_dfecc ;};return _bgag .parseXrefTable ();};

// DecodeStream returns the passed in stream as a slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_agfg *RawEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return streamObj .Stream ,nil ;};func _agfce (_bgaa *PdfObjectStream ,_cbgeb *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_dcbcd :=NewCCITTFaxEncoder ();_gefb :=_bgaa .PdfObjectDictionary ;
if _gefb ==nil {return _dcbcd ,nil ;};if _cbgeb ==nil {_aece :=TraceToDirectObject (_gefb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _aece !=nil {switch _fbef :=_aece .(type ){case *PdfObjectDictionary :_cbgeb =_fbef ;case *PdfObjectArray :if _fbef .Len ()==1{if _aeaf ,_dce :=GetDict (_fbef .Get (0));
_dce {_cbgeb =_aeaf ;};};default:_c .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",_aece );return nil ,_df .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
};};if _cbgeb ==nil {_c .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",_aece );return nil ,_df .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
};};if _bfbd ,_ddcc :=GetNumberAsInt64 (_cbgeb .Get ("\u004b"));_ddcc ==nil {_dcbcd .K =int (_bfbd );};if _eabg ,_ecee :=GetNumberAsInt64 (_cbgeb .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));_ecee ==nil {_dcbcd .Columns =int (_eabg );}else {_dcbcd .Columns =1728;
};if _aceca ,_ffad :=GetNumberAsInt64 (_cbgeb .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_ffad ==nil {_dcbcd .BlackIs1 =_aceca > 0;}else {if _edaa ,_efac :=GetBoolVal (_cbgeb .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_efac {_dcbcd .BlackIs1 =_edaa ;
}else {if _defa ,_dcbf :=GetArray (_cbgeb .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_dcbf {_ebbgf ,_bgea :=_defa .ToIntegerArray ();if _bgea ==nil {_dcbcd .BlackIs1 =_ebbgf [0]==1&&_ebbgf [1]==0;};};};};if _geef ,_fdff :=GetNumberAsInt64 (_cbgeb .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_fdff ==nil {_dcbcd .EncodedByteAlign =_geef > 0;}else {if _edgf ,_aaab :=GetBoolVal (_cbgeb .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_aaab {_dcbcd .EncodedByteAlign =_edgf ;};};if _bafb ,_ddfb :=GetNumberAsInt64 (_cbgeb .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_ddfb ==nil {_dcbcd .EndOfLine =_bafb > 0;}else {if _aaef ,_dbbf :=GetBoolVal (_cbgeb .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_dbbf {_dcbcd .EndOfLine =_aaef ;};};if _edbg ,_bfffg :=GetNumberAsInt64 (_cbgeb .Get ("\u0052\u006f\u0077\u0073"));
_bfffg ==nil {_dcbcd .Rows =int (_edbg );};_dcbcd .EndOfBlock =true ;if _efgf ,_edca :=GetNumberAsInt64 (_cbgeb .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_edca ==nil {_dcbcd .EndOfBlock =_efgf > 0;}else {if _efff ,_fge :=GetBoolVal (_cbgeb .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_fge {_dcbcd .EndOfBlock =_efff ;};};if _ecb ,_ecga :=GetNumberAsInt64 (_cbgeb .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_ecga !=nil {_dcbcd .DamagedRowsBeforeError =int (_ecb );
};_c .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_cbgeb .String ());return _dcbcd ,nil ;};

// 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 )(_aged float64 ,_afebe bool ){_dbfb ,_afebe :=TraceToDirectObject (obj ).(*PdfObjectFloat );if _afebe {return float64 (*_dbfb ),true ;};return 0,false ;};

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

// Remove removes an element specified by key.
func (_eaae *PdfObjectDictionary )Remove (key PdfObjectName ){_eeccfg :=-1;for _addfb ,_bcef :=range _eaae ._egde {if _bcef ==key {_eeccfg =_addfb ;break ;};};if _eeccfg >=0{_eaae ._egde =append (_eaae ._egde [:_eeccfg ],_eaae ._egde [_eeccfg +1:]...);
delete (_eaae ._bafd ,key );};};

// 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 ;_gf []XrefObject ;};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_fegd *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_ccab :=_fc .NewReader (data );var _fdc []byte ;var _cece []byte ;_bbb ,_eced :=_ccab .ReadByte ();if _eced ==_abb .EOF {return []byte {},nil ;}else if _eced !=nil {return nil ,_eced ;
};_gefg :=1;for {_dcbcg ,_eeca :=_ccab .ReadByte ();if _eeca ==_abb .EOF {break ;}else if _eeca !=nil {return nil ,_eeca ;};if _dcbcg ==_bbb {if len (_cece )> 0{_cece =_cece [:len (_cece )-1];if len (_cece )> 0{_fdc =append (_fdc ,byte (len (_cece )-1));
_fdc =append (_fdc ,_cece ...);};_gefg =1;_cece =[]byte {};};_gefg ++;if _gefg >=127{_fdc =append (_fdc ,byte (257-_gefg ),_bbb );_gefg =0;};}else {if _gefg > 0{if _gefg ==1{_cece =[]byte {_bbb };}else {_fdc =append (_fdc ,byte (257-_gefg ),_bbb );};_gefg =0;
};_cece =append (_cece ,_dcbcg );if len (_cece )>=127{_fdc =append (_fdc ,byte (len (_cece )-1));_fdc =append (_fdc ,_cece ...);_cece =[]byte {};};};_bbb =_dcbcg ;};if len (_cece )> 0{_fdc =append (_fdc ,byte (len (_cece )-1));_fdc =append (_fdc ,_cece ...);
}else if _gefg > 0{_fdc =append (_fdc ,byte (257-_gefg ),_bbb );};_fdc =append (_fdc ,128);return _fdc ,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 )(_ddeab string ,_ecbf bool ){_aggeb ,_ecbf :=TraceToDirectObject (obj ).(*PdfObjectString );if _ecbf {return _aggeb .Str (),true ;};return ;};

// Len returns the number of elements in the array.
func (_aadfg *PdfObjectArray )Len ()int {if _aadfg ==nil {return 0;};return len (_aadfg ._dbaf );};

// 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 (_dacb *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_eeccf :=PdfIndirectObject {};_eeccf ._abde =_dacb ;_c .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_gaagg ,_gccf :=_dacb ._acefe .Peek (20);
if _gccf !=nil {if _gccf !=_abb .EOF {_c .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 &_eeccf ,_gccf ;
};};_c .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_gaagg ));_dgcec :=_efcf .FindStringSubmatchIndex (string (_gaagg ));if len (_dgcec )< 6{if _gccf ==_abb .EOF {return nil ,_gccf ;
};_c .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 (_gaagg ));
return &_eeccf ,_df .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");
};_dacb ._acefe .Discard (_dgcec [0]);_c .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_dgcec );_cggaf :=_dgcec [1]-_dgcec [0];_aabe :=make ([]byte ,_cggaf );_ ,_gccf =_dacb .ReadAtLeast (_aabe ,_cggaf );if _gccf !=nil {_c .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",_gccf );
return nil ,_gccf ;};_c .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_aabe );_ffcg :=_efcf .FindStringSubmatch (string (_aabe ));if len (_ffcg )< 3{_c .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 (_aabe ));
return &_eeccf ,_df .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");
};_cfbgg ,_ :=_dd .Atoi (_ffcg [1]);_gcgca ,_ :=_dd .Atoi (_ffcg [2]);_eeccf .ObjectNumber =int64 (_cfbgg );_eeccf .GenerationNumber =int64 (_gcgca );for {_cged ,_acgc :=_dacb ._acefe .Peek (2);if _acgc !=nil {return &_eeccf ,_acgc ;};_c .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_cged ),string (_cged ));
if IsWhiteSpace (_cged [0]){_dacb .skipSpaces ();}else if _cged [0]=='%'{_dacb .skipComments ();}else if (_cged [0]=='<')&&(_cged [1]=='<'){_c .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_eeccf .PdfObject ,_acgc =_dacb .ParseDict ();
_c .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_acgc );if _acgc !=nil {return &_eeccf ,_acgc ;};_c .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 (_cged [0]=='/')||(_cged [0]=='(')||(_cged [0]=='[')||(_cged [0]=='<'){_eeccf .PdfObject ,_acgc =_dacb .parseObject ();if _acgc !=nil {return &_eeccf ,_acgc ;};_c .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 _cged [0]==']'{_c .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");
_dacb ._acefe .Discard (1);}else {if _cged [0]=='e'{_bdfa ,_ffcfb :=_dacb .readTextLine ();if _ffcfb !=nil {return nil ,_ffcfb ;};if len (_bdfa )>=6&&_bdfa [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _cged [0]=='s'{_cged ,_ =_dacb ._acefe .Peek (10);
if string (_cged [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_ggded :=6;if len (_cged )> 6{if IsWhiteSpace (_cged [_ggded ])&&_cged [_ggded ]!='\r'&&_cged [_ggded ]!='\n'{_c .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");
_dacb ._efdb ._gccg =true ;_ggded ++;};if _cged [_ggded ]=='\r'{_ggded ++;if _cged [_ggded ]=='\n'{_ggded ++;};}else if _cged [_ggded ]=='\n'{_ggded ++;}else {_dacb ._efdb ._gccg =true ;};};_dacb ._acefe .Discard (_ggded );_agea ,_dbfe :=_eeccf .PdfObject .(*PdfObjectDictionary );
if !_dbfe {return nil ,_df .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");};_c .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_agea );
_agcf ,_cdaba :=_dacb .traceStreamLength (_agea .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _cdaba !=nil {_c .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",_cdaba );
return nil ,_cdaba ;};_c .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_agcf );_gbdd ,_bcdb :=_agcf .(*PdfObjectInteger );if !_bcdb {return nil ,_df .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");
};_feefa :=*_gbdd ;if _feefa < 0{return nil ,_df .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");};_ffdad :=_dacb .GetFileOffset ();
_fagd :=_dacb .xrefNextObjectOffset (_ffdad );if _ffdad +int64 (_feefa )> _fagd &&_fagd > _ffdad {_c .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_ffdad +int64 (_feefa ));_c .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",_fagd );
_caab :=_fagd -_ffdad -17;if _caab < 0{return nil ,_df .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");
};_c .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",_caab );_feefa =PdfObjectInteger (_caab );
_agea .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_caab ));};if int64 (_feefa )> _dacb ._eggf {_c .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 ,_df .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");};_fceed :=make ([]byte ,_feefa );
_ ,_cdaba =_dacb .ReadAtLeast (_fceed ,int (_feefa ));if _cdaba !=nil {_c .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_fceed ),_fceed );_c .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_cdaba );
return nil ,_cdaba ;};_dccg :=PdfObjectStream {};_dccg .Stream =_fceed ;_dccg .PdfObjectDictionary =_eeccf .PdfObject .(*PdfObjectDictionary );_dccg .ObjectNumber =_eeccf .ObjectNumber ;_dccg .GenerationNumber =_eeccf .GenerationNumber ;_dccg .PdfObjectReference ._abde =_dacb ;
_dacb .skipSpaces ();_dacb ._acefe .Discard (9);_dacb .skipSpaces ();return &_dccg ,nil ;};};_eeccf .PdfObject ,_acgc =_dacb .parseObject ();if _eeccf .PdfObject ==nil {_c .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");
_eeccf .PdfObject =MakeNull ();};return &_eeccf ,_acgc ;};};if _eeccf .PdfObject ==nil {_c .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");
_eeccf .PdfObject =MakeNull ();};_c .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_eeccf ,nil ;};

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_cacbc *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_cacbc ._bbea .Lock ();defer _cacbc ._bbea .Unlock ();_gbcfg ,_gdbf :=_cacbc ._bafd [key ];if !_gdbf {return nil ;};return _gbcfg ;};const _acdd =32<<(^uint (0)>>63);

// SetFileOffset sets the file to an offset position and resets buffer.
func (_efad *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_efad ._dddeff .Seek (offset ,_abb .SeekStart );_efad ._acefe =_dfg .NewReader (_efad ._dddeff );};

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

// 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 (_ababc *PdfObjectStreams )Elements ()[]PdfObject {if _ababc ==nil {return nil ;};return _ababc ._aefa ;};

// GetFilterName returns the name of the encoding filter.
func (_bdgfb *CCITTFaxEncoder )GetFilterName ()string {return StreamEncodingFilterNameCCITTFax };

// GetFilterName returns the name of the encoding filter.
func (_bbebc *ASCIIHexEncoder )GetFilterName ()string {return StreamEncodingFilterNameASCIIHex };

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_bdgdf string ;_fbeb bool ;};

// ReadBytesAt reads byte content at specific offset and length within the PDF.
func (_aeeg *PdfParser )ReadBytesAt (offset ,len int64 )([]byte ,error ){_eee :=_aeeg .GetFileOffset ();_ ,_fdbg :=_aeeg ._dddeff .Seek (offset ,_abb .SeekStart );if _fdbg !=nil {return nil ,_fdbg ;};_eafa :=make ([]byte ,len );_ ,_fdbg =_abb .ReadAtLeast (_aeeg ._dddeff ,_eafa ,int (len ));
if _fdbg !=nil {return nil ,_fdbg ;};_aeeg .SetFileOffset (_eee );return _eafa ,nil ;};

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

// 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 (_gbfg *PdfParser )GetTrailer ()*PdfObjectDictionary {return _gbfg ._eeggd };

// 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 )(_efdee *PdfIndirectObject ,_degga bool ){obj =ResolveReference (obj );_efdee ,_degga =obj .(*PdfIndirectObject );return _efdee ,_degga ;};

// HeaderCommentBytes gets the header comment bytes.
func (_gcfg ParserMetadata )HeaderCommentBytes ()[4]byte {return _gcfg ._adaf };

// 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 ))};

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

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

// Update updates multiple keys and returns the dictionary back so can be used in a chained fashion.
func (_efed *PdfObjectDictionary )Update (objmap map[string ]PdfObject )*PdfObjectDictionary {_efed ._bbea .Lock ();defer _efed ._bbea .Unlock ();for _afbc ,_cbbef :=range objmap {_efed .setWithLock (PdfObjectName (_afbc ),_cbbef ,false );};return _efed ;
};

// DecodeBytes decodes the CCITTFax encoded image data.
func (_dfba *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_aaf ,_cbabb :=_ff .NewDecoder (encoded ,_ff .DecodeOptions {Columns :_dfba .Columns ,Rows :_dfba .Rows ,K :_dfba .K ,EncodedByteAligned :_dfba .EncodedByteAlign ,BlackIsOne :_dfba .BlackIs1 ,EndOfBlock :_dfba .EndOfBlock ,EndOfLine :_dfba .EndOfLine ,DamagedRowsBeforeError :_dfba .DamagedRowsBeforeError });
if _cbabb !=nil {return nil ,_cbabb ;};_efcg ,_cbabb :=_f .ReadAll (_aaf );if _cbabb !=nil {return nil ,_cbabb ;};return _efcg ,nil ;};

// DecodeStream decodes the stream containing CCITTFax encoded image data.
func (_fee *CCITTFaxEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _fee .DecodeBytes (streamObj .Stream );};

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

// WriteString outputs the object as it is to be written to file.
func (_aadg *PdfObjectName )WriteString ()string {var _ffce _fc .Buffer ;if len (*_aadg )> 127{_c .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a \u004e\u0061\u006d\u0065\u0020t\u006fo\u0020l\u006f\u006e\u0067\u0020\u0028\u0025\u0073)",*_aadg );};_ffce .WriteString ("\u002f");
for _cgdb :=0;_cgdb < len (*_aadg );_cgdb ++{_fdde :=(*_aadg )[_cgdb ];if !IsPrintable (_fdde )||_fdde =='#'||IsDelimiter (_fdde ){_ffce .WriteString (_ab .Sprintf ("\u0023\u0025\u002e2\u0078",_fdde ));}else {_ffce .WriteByte (_fdde );};};return _ffce .String ();
};

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _cb .Filter ,userPass ,ownerPass []byte ,perm _fg .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_bcge :=&PdfCrypt {_fba :make (map[PdfObject ]bool ),_eedf :make (cryptFilters ),_cdd :_fg .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _ccf Version ;if cf !=nil {_eec :=cf .PDFVersion ();_ccf .Major ,_ccf .Minor =_eec [0],_eec [1];V ,R :=cf .HandlerVersion ();_bcge ._cfa .V =V ;_bcge ._cdd .R =R ;_bcge ._cfa .Length =cf .KeyLength ()*8;};const (_gfd =_gbg ;);_bcge ._eedf [_gfd ]=cf ;
if _bcge ._cfa .V >=4{_bcge ._bec =_gfd ;_bcge ._aeec =_gfd ;};_abge :=_bcge .newEncryptDict ();_cd :=_aa .Sum ([]byte (_dfa .Now ().Format (_dfa .RFC850 )));_egc :=string (_cd [:]);_fgc :=make ([]byte ,100);_fd .Read (_fgc );_cd =_aa .Sum (_fgc );_dgbc :=string (_cd [:]);
_c .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_fgc );_c .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_egc );_bcge ._bbgf =_egc ;_cde :=_bcge .generateParams (userPass ,ownerPass );
if _cde !=nil {return nil ,nil ,_cde ;};_gbe (&_bcge ._cdd ,_abge );if _bcge ._cfa .V >=4{if _bbed :=_bcge .saveCryptFilters (_abge );_bbed !=nil {return nil ,nil ,_bbed ;};};return _bcge ,&EncryptInfo {Version :_ccf ,Encrypt :_abge ,ID0 :_egc ,ID1 :_dgbc },nil ;
};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_eefcg *ASCII85Encoder )MakeDecodeParams ()PdfObject {return nil };

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

// NewASCII85Encoder makes a new ASCII85 encoder.
func NewASCII85Encoder ()*ASCII85Encoder {_acc :=&ASCII85Encoder {};return _acc };const (XrefTypeTableEntry xrefType =iota ;XrefTypeObjectStream xrefType =iota ;);

// DecodeStream decodes the stream data and returns the decoded data.
// An error is returned upon failure.
func DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_c .Log .Trace ("\u0044\u0065\u0063\u006f\u0064\u0065\u0020\u0073\u0074\u0072\u0065\u0061\u006d");_gfffd ,_eggg :=NewEncoderFromStream (streamObj );if _eggg !=nil {_c .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",_eggg );
return nil ,_eggg ;};_c .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u0023\u0076\u000a",_gfffd );_fbdd ,_eggg :=_gfffd .DecodeStream (streamObj );if _eggg !=nil {_c .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",_eggg );
return nil ,_eggg ;};return _fbdd ,nil ;};

// PdfObjectStreams represents the primitive PDF object streams.
// 7.5.7 Object Streams (page 45).
type PdfObjectStreams struct{PdfObjectReference ;_aefa []PdfObject ;};type limitedReadSeeker struct{_fbgc _abb .ReadSeeker ;_edcb int64 ;};var _bbaa =_gcd .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_eccc *RunLengthEncoder )MakeDecodeParams ()PdfObject {return nil };func (_gaf *PdfCrypt )isEncrypted (_eegd PdfObject )bool {_ ,_gdeb :=_gaf ._fba [_eegd ];if _gdeb {_c .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};_c .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");return false ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_ccag *JPXEncoder )MakeStreamDict ()*PdfObjectDictionary {return MakeDict ()};func (_egegb *PdfParser )parsePdfVersion ()(int ,int ,error ){var _abed int64 =20;_gage :=make ([]byte ,_abed );_egegb ._dddeff .Seek (0,_abb .SeekStart );_egegb ._dddeff .Read (_gage );
var _gfaga error ;var _bbgd ,_cffgf int ;if _dcfe :=_dfgab .FindStringSubmatch (string (_gage ));len (_dcfe )< 3{if _bbgd ,_cffgf ,_gfaga =_egegb .seekPdfVersionTopDown ();_gfaga !=nil {_c .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,_gfaga ;};_egegb ._dddeff ,_gfaga =_gcdac (_egegb ._dddeff ,_egegb .GetFileOffset ()-8);if _gfaga !=nil {return 0,0,_gfaga ;};}else {if _bbgd ,_gfaga =_dd .Atoi (_dcfe [1]);_gfaga !=nil {return 0,0,_gfaga ;};if _cffgf ,_gfaga =_dd .Atoi (_dcfe [2]);
_gfaga !=nil {return 0,0,_gfaga ;};_egegb .SetFileOffset (0);};_egegb ._acefe =_dfg .NewReader (_egegb ._dddeff );_c .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_bbgd ,_cffgf );return _bbgd ,_cffgf ,nil ;
};func (_cdb *PdfCrypt )decryptBytes (_acec []byte ,_afef string ,_fcf []byte )([]byte ,error ){_c .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");_bfb ,_dgaf :=_cdb ._eedf [_afef ];if !_dgaf {return nil ,_ab .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_afef );
};return _bfb .DecryptBytes (_acec ,_fcf );};

// HasDataAfterEOF checks if there is some data after EOF marker.
func (_gdab ParserMetadata )HasDataAfterEOF ()bool {return _gdab ._cdac };func _fdbcb (_agbdb ,_gabge PdfObject ,_aacd int )bool {if _aacd > _dcbcdf {_c .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",_dcbcdf );
return false ;};if _agbdb ==nil &&_gabge ==nil {return true ;}else if _agbdb ==nil ||_gabge ==nil {return false ;};if _g .TypeOf (_agbdb )!=_g .TypeOf (_gabge ){return false ;};switch _egfc :=_agbdb .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_egfc ==*(_gabge .(*PdfObjectName ));case *PdfObjectString :return *_egfc ==*(_gabge .(*PdfObjectString ));case *PdfObjectInteger :return *_egfc ==*(_gabge .(*PdfObjectInteger ));case *PdfObjectBool :return *_egfc ==*(_gabge .(*PdfObjectBool ));
case *PdfObjectFloat :return *_egfc ==*(_gabge .(*PdfObjectFloat ));case *PdfIndirectObject :return _fdbcb (TraceToDirectObject (_agbdb ),TraceToDirectObject (_gabge ),_aacd +1);case *PdfObjectArray :_eecb :=_gabge .(*PdfObjectArray );if len ((*_egfc )._dbaf )!=len ((*_eecb )._dbaf ){return false ;
};for _adcgf ,_ebced :=range (*_egfc )._dbaf {if !_fdbcb (_ebced ,(*_eecb )._dbaf [_adcgf ],_aacd +1){return false ;};};return true ;case *PdfObjectDictionary :_fbfg :=_gabge .(*PdfObjectDictionary );_ggcbe ,_fffec :=(*_egfc )._bafd ,(*_fbfg )._bafd ;if len (_ggcbe )!=len (_fffec ){return false ;
};for _gcbb ,_ccgd :=range _ggcbe {_eegdc ,_ebeb :=_fffec [_gcbb ];if !_ebeb ||!_fdbcb (_ccgd ,_eegdc ,_aacd +1){return false ;};};return true ;case *PdfObjectStream :_dega :=_gabge .(*PdfObjectStream );return _fdbcb ((*_egfc ).PdfObjectDictionary ,(*_dega ).PdfObjectDictionary ,_aacd +1);
default:_c .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",_agbdb );
};return false ;};

// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_fe .Model ;Bounds ()_bb .Rectangle ;At (_cbda ,_cgfe int )_fe .Color ;Set (_eacb ,_abdb int ,_gedb _fe .Color );};

// 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 (_bcdf *PdfObjectString )Decoded ()string {if _bcdf ==nil {return "";};_afff :=[]byte (_bcdf ._bdgdf );if len (_afff )>=2&&_afff [0]==0xFE&&_afff [1]==0xFF{return _fde .UTF16ToString (_afff [2:]);};return _fde .PDFDocEncodingToString (_afff );};

// NewLZWEncoder makes a new LZW encoder with default parameters.
func NewLZWEncoder ()*LZWEncoder {_abab :=&LZWEncoder {};_abab .Predictor =1;_abab .BitsPerComponent =8;_abab .Colors =1;_abab .Columns =1;_abab .EarlyChange =1;return _abab ;};func _bgagf (_ecedd ,_cgbe ,_aeg int )error {if _cgbe < 0||_cgbe > _ecedd {return _df .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 _aeg < _cgbe {return _df .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0073\u006c\u0069\u0063e\u0020i\u006ed\u0065\u0078\u0020\u0062\u0020\u003c\u0020a");};if _aeg > _ecedd {return _df .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 ;};

// NewDCTEncoder makes a new DCT encoder with default parameters.
func NewDCTEncoder ()*DCTEncoder {_cega :=&DCTEncoder {};_cega .ColorComponents =3;_cega .BitsPerComponent =8;_cega .Quality =DefaultJPEGQuality ;_cega .Decode =[]float64 {0.0,1.0,0.0,1.0,0.0,1.0};return _cega ;};func _dfac (_bbfe int )int {if _bbfe < 0{return -_bbfe ;
};return _bbfe ;};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_bcgcc *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _bcgcc .Predictor !=1&&_bcgcc .Predictor !=11{_c .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 _bcgcc .Predictor ==11{_cbgf :=_bcgcc .Columns ;_edbc :=len (data )/_cbgf ;if len (data )%_cbgf !=0{_c .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_df .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_bfd :=_fc .NewBuffer (nil );_eda :=make ([]byte ,_cbgf );for _bdfg :=0;_bdfg < _edbc ;_bdfg ++{_fgda :=data [_cbgf *_bdfg :_cbgf *(_bdfg +1)];
_eda [0]=_fgda [0];for _cbge :=1;_cbge < _cbgf ;_cbge ++{_eda [_cbge ]=byte (int (_fgda [_cbge ]-_fgda [_cbge -1])%256);};_bfd .WriteByte (1);_bfd .Write (_eda );};data =_bfd .Bytes ();};var _cbd _fc .Buffer ;_dgef :=_ac .NewWriter (&_cbd );_dgef .Write (data );
_dgef .Close ();return _cbd .Bytes (),nil ;};

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

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

// 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 ;};

// 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 {_cbgb :=PdfObjectString {_bdgdf :s };return &_cbgb };func (_defd *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_defd ._acefe )};

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

// HasOddLengthHexStrings checks if the document has odd length hexadecimal strings.
func (_ccfe ParserMetadata )HasOddLengthHexStrings ()bool {return _ccfe ._ded };

// Set sets the PdfObject at index i of the array. An error is returned if the index is outside bounds.
func (_ddae *PdfObjectArray )Set (i int ,obj PdfObject )error {if i < 0||i >=len (_ddae ._dbaf ){return _df .New ("\u006f\u0075\u0074\u0073\u0069\u0064\u0065\u0020\u0062o\u0075\u006e\u0064\u0073");};_ddae ._dbaf [i ]=obj ;return nil ;};var _egac =[]byte ("\u0030\u0031\u0032\u003345\u0036\u0037\u0038\u0039\u0061\u0062\u0063\u0064\u0065\u0066\u0041\u0042\u0043\u0044E\u0046");


// GetXrefOffset returns the offset of the xref table.
func (_fefbc *PdfParser )GetXrefOffset ()int64 {return _fefbc ._aedbf };

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

// 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 (_gfbb *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _bdfgg []int64 ;for _ ,_defdc :=range _gfbb .Elements (){if _fccde ,_affa :=_defdc .(*PdfObjectInteger );_affa {_bdfgg =append (_bdfgg ,int64 (*_fccde ));}else {return nil ,ErrTypeError ;
};};return _bdfgg ,nil ;};func _ffabd (_ebdc PdfObject ,_ffged int ,_dbcg map[PdfObject ]struct{})error {_c .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",_ffged );
if _ ,_agbgf :=_dbcg [_ebdc ];_agbgf {_c .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_dbcg [_ebdc ]=struct{}{};switch _acaf :=_ebdc .(type ){case *PdfIndirectObject :_cgeb :=_acaf ;
_c .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_cgeb );_c .Log .Trace ("\u002d\u0020\u0025\u0073",_cgeb .PdfObject );return _ffabd (_cgeb .PdfObject ,_ffged +1,_dbcg );case *PdfObjectStream :_baed :=_acaf ;return _ffabd (_baed .PdfObjectDictionary ,_ffged +1,_dbcg );
case *PdfObjectDictionary :_cfde :=_acaf ;_c .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_cfde );for _ ,_ebbb :=range _cfde .Keys (){_fadb :=_cfde .Get (_ebbb );if _fbce ,_cfggd :=_fadb .(*PdfObjectReference );_cfggd {_cbeaf :=_fbce .Resolve ();
_cfde .Set (_ebbb ,_cbeaf );_cbcff :=_ffabd (_cbeaf ,_ffged +1,_dbcg );if _cbcff !=nil {return _cbcff ;};}else {_cagga :=_ffabd (_fadb ,_ffged +1,_dbcg );if _cagga !=nil {return _cagga ;};};};return nil ;case *PdfObjectArray :_dfbc :=_acaf ;_c .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_dfbc );
for _gfgag ,_ggfa :=range _dfbc .Elements (){if _feab ,_fbfdd :=_ggfa .(*PdfObjectReference );_fbfdd {_dffa :=_feab .Resolve ();_dfbc .Set (_gfgag ,_dffa );_fffd :=_ffabd (_dffa ,_ffged +1,_dbcg );if _fffd !=nil {return _fffd ;};}else {_edde :=_ffabd (_ggfa ,_ffged +1,_dbcg );
if _edde !=nil {return _edde ;};};};return nil ;case *PdfObjectReference :_c .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 _df .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};return 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 )(_bcdfe *PdfObjectArray ,_ecaee bool ){_bcdfe ,_ecaee =TraceToDirectObject (obj ).(*PdfObjectArray );return _bcdfe ,_ecaee ;};

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_aedg *PdfParser )GetFileOffset ()int64 {_ecgff ,_ :=_aedg ._dddeff .Seek (0,_abb .SeekCurrent );_ecgff -=int64 (_aedg ._acefe .Buffered ());return _ecgff ;};func _gcdac (_ffaf _abb .ReadSeeker ,_dgbe int64 )(*offsetReader ,error ){_acde :=&offsetReader {_acag :_ffaf ,_gacff :_dgbe };
_ ,_cfdb :=_acde .Seek (0,_abb .SeekStart );return _acde ,_cfdb ;};

// 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 )(_gefgcf *PdfObjectFloat ,_cfcb bool ){_gefgcf ,_cfcb =TraceToDirectObject (obj ).(*PdfObjectFloat );return _gefgcf ,_cfcb ;};func (_bfgg *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _eafd *PdfObjectDictionary ;
_cfeg ,_ggbb :=_bfgg .readTextLine ();if _ggbb !=nil {return nil ,_ggbb ;};if _bfgg ._egdfa &&_be .Count (_be .TrimPrefix (_cfeg ,"\u0078\u0072\u0065\u0066"),"\u0020")> 0{_bfgg ._efdb ._ccc =true ;};_c .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_cfeg );
_acgfd :=-1;_bbef :=0;_gecf :=false ;_fdcd :="";for {_bfgg .skipSpaces ();_ ,_acbb :=_bfgg ._acefe .Peek (1);if _acbb !=nil {return nil ,_acbb ;};_cfeg ,_acbb =_bfgg .readTextLine ();if _acbb !=nil {return nil ,_acbb ;};_ccdcg :=_bged .FindStringSubmatch (_cfeg );
if len (_ccdcg )==0{_gccaa :=len (_fdcd )> 0;_fdcd +=_cfeg +"\u000a";if _gccaa {_ccdcg =_bged .FindStringSubmatch (_fdcd );};};if len (_ccdcg )==3{if _bfgg ._egdfa &&!_bfgg ._efdb ._bea {var (_egda bool ;_bbfdb int ;);for _ ,_agfe :=range _cfeg {if _gd .IsDigit (_agfe ){if _egda {break ;
};continue ;};if !_egda {_egda =true ;};_bbfdb ++;};if _bbfdb > 1{_bfgg ._efdb ._bea =true ;};};_fcee ,_ :=_dd .Atoi (_ccdcg [1]);_fged ,_ :=_dd .Atoi (_ccdcg [2]);_acgfd =_fcee ;_bbef =_fged ;_gecf =true ;_fdcd ="";_c .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",_acgfd ,_bbef );
continue ;};_gdba :=_ecfd .FindStringSubmatch (_cfeg );if len (_gdba )==4{if !_gecf {_c .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 ,_df .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_aeecd ,_ :=_dd .ParseInt (_gdba [1],10,64);_fbeab ,_ :=_dd .Atoi (_gdba [2]);_eggdf :=_gdba [3];_fdcd ="";if _be .ToLower (_eggdf )=="\u006e"&&_aeecd > 1{_bega ,_fdce :=_bfgg ._ccacbg .ObjectMap [_acgfd ];if !_fdce ||_fbeab > _bega .Generation {_fgec :=XrefObject {ObjectNumber :_acgfd ,XType :XrefTypeTableEntry ,Offset :_aeecd ,Generation :_fbeab };
_bfgg ._ccacbg .ObjectMap [_acgfd ]=_fgec ;};};_acgfd ++;continue ;};if (len (_cfeg )> 6)&&(_cfeg [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_c .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_cfeg );
if len (_cfeg )> 9{_egef :=_bfgg .GetFileOffset ();_bfgg .SetFileOffset (_egef -int64 (len (_cfeg ))+7);};_bfgg .skipSpaces ();_bfgg .skipComments ();_c .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_c .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_cfeg );_eafd ,_acbb =_bfgg .ParseDict ();_c .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _acbb !=nil {_c .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",_acbb );return nil ,_acbb ;};break ;};if _cfeg =="\u0025\u0025\u0045O\u0046"{_c .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 ,_df .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");};_c .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_cfeg );
};_c .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 _bfgg ._dda ==nil {_cefg :=XrefTypeTableEntry ;_bfgg ._dda =&_cefg ;};return _eafd ,nil ;};var _egad =_gcd .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");


// 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 ;};func (_edbbd *PdfObjectFloat )String ()string {return _ab .Sprintf ("\u0025\u0066",*_edbbd )};


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

// NewCompliancePdfParser creates a new PdfParser that will parse input reader with the focus on extracting more metadata, which
// might affect performance of the regular PdfParser this function.
func NewCompliancePdfParser (rs _abb .ReadSeeker )(_ddc *PdfParser ,_gec error ){_ddc =&PdfParser {_dddeff :rs ,ObjCache :make (objectCache ),_aggab :map[int64 ]bool {},_egdfa :true ,_acecg :make (map[*PdfParser ]*PdfParser )};if _gec =_ddc .parseDetailedHeader ();
_gec !=nil {return nil ,_gec ;};if _ddc ._eeggd ,_gec =_ddc .loadXrefs ();_gec !=nil {_c .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",_gec );
return nil ,_gec ;};_c .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_ddc ._eeggd );if len (_ddc ._ccacbg .ObjectMap )==0{return nil ,_ab .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 _ddc ,nil ;};func (_cfab *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_edg :=MakeDict ();_edg .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));_edg .Set ("\u0056",MakeInteger (int64 (_cfab ._cfa .V )));
_edg .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_cfab ._cfa .Length )));return _edg ;};func (_gccac *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _gccac ._begd {return nil ,_ab .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");
};_gccac ._begd =true ;_gccac ._dddeff .Seek (0,_abb .SeekStart );_gccac ._acefe =_dfg .NewReader (_gccac ._dddeff );_gfdde :=20;_gbbea :=make ([]byte ,_gfdde );_eccg :=XrefTable {};_eccg .ObjectMap =make (map[int ]XrefObject );for {_afge ,_fagg :=_gccac ._acefe .ReadByte ();
if _fagg !=nil {if _fagg ==_abb .EOF {break ;}else {return nil ,_fagg ;};};if _afge =='j'&&_gbbea [_gfdde -1]=='b'&&_gbbea [_gfdde -2]=='o'&&IsWhiteSpace (_gbbea [_gfdde -3]){_feeg :=_gfdde -4;for IsWhiteSpace (_gbbea [_feeg ])&&_feeg > 0{_feeg --;};if _feeg ==0||!IsDecimalDigit (_gbbea [_feeg ]){continue ;
};for IsDecimalDigit (_gbbea [_feeg ])&&_feeg > 0{_feeg --;};if _feeg ==0||!IsWhiteSpace (_gbbea [_feeg ]){continue ;};for IsWhiteSpace (_gbbea [_feeg ])&&_feeg > 0{_feeg --;};if _feeg ==0||!IsDecimalDigit (_gbbea [_feeg ]){continue ;};for IsDecimalDigit (_gbbea [_feeg ])&&_feeg > 0{_feeg --;
};if _feeg ==0{continue ;};_ageb :=_gccac .GetFileOffset ()-int64 (_gfdde -_feeg );_bedb :=append (_gbbea [_feeg +1:],_afge );_fdgg ,_fbeae ,_gbbg :=_eeec (string (_bedb ));if _gbbg !=nil {_c .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",_gbbg );
return nil ,_gbbg ;};if _fbdb ,_bdgg :=_eccg .ObjectMap [_fdgg ];!_bdgg ||_fbdb .Generation < _fbeae {_ebeg :=XrefObject {};_ebeg .XType =XrefTypeTableEntry ;_ebeg .ObjectNumber =_fdgg ;_ebeg .Generation =_fbeae ;_ebeg .Offset =_ageb ;_eccg .ObjectMap [_fdgg ]=_ebeg ;
};};_gbbea =append (_gbbea [1:_gfdde ],_afge );};_gccac ._fcfg =nil ;return &_eccg ,nil ;};

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_gefef :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _gefef ==nil {return NewRawEncoder (),nil ;};if _ ,_abdd :=_gefef .(*PdfObjectNull );
_abdd {return NewRawEncoder (),nil ;};_cgedf ,_cbcfd :=_gefef .(*PdfObjectName );if !_cbcfd {_aeed ,_aafd :=_gefef .(*PdfObjectArray );if !_aafd {return nil ,_ab .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 _aeed .Len ()==0{return NewRawEncoder (),nil ;};if _aeed .Len ()!=1{_cefcdd ,_caga :=_efae (streamObj );if _caga !=nil {_c .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",_caga );
return nil ,_caga ;};_c .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_cefcdd );return _cefcdd ,nil ;};_gefef =_aeed .Get (0);_cgedf ,_aafd =_gefef .(*PdfObjectName );if !_aafd {return nil ,_ab .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 _egbce ,_cddd :=_gcdf .Load (_cgedf .String ());_cddd {return _egbce .(StreamEncoder ),nil ;};switch *_cgedf {case StreamEncodingFilterNameFlate :return _afadf (streamObj ,nil );case StreamEncodingFilterNameLZW :return _ebd (streamObj ,nil );case StreamEncodingFilterNameDCT :return _geg (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _ggad (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _agfce (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _ecbcb (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_c .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 ,_ab .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",*_cgedf );};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_dfc *LZWEncoder )MakeDecodeParams ()PdfObject {if _dfc .Predictor > 1{_adf :=MakeDict ();_adf .Set ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr",MakeInteger (int64 (_dfc .Predictor )));if _dfc .BitsPerComponent !=8{_adf .Set ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074",MakeInteger (int64 (_dfc .BitsPerComponent )));
};if _dfc .Columns !=1{_adf .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_dfc .Columns )));};if _dfc .Colors !=1{_adf .Set ("\u0043\u006f\u006c\u006f\u0072\u0073",MakeInteger (int64 (_dfc .Colors )));};return _adf ;};return nil ;};
func _cgabe (_bedae _ce .Image )*JBIG2Image {_bfc :=_bedae .Base ();return &JBIG2Image {Data :_bfc .Data ,Width :_bfc .Width ,Height :_bfc .Height ,HasPadding :true };};

// 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 )(_dcdc *PdfObjectStream ,_begafg bool ){obj =ResolveReference (obj );_dcdc ,_begafg =obj .(*PdfObjectStream );return _dcdc ,_begafg ;};var _bged =_gcd .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");


// LookupByReference looks up a PdfObject by a reference.
func (_eg *PdfParser )LookupByReference (ref PdfObjectReference )(PdfObject ,error ){_c .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 _eg .LookupByNumber (int (ref .ObjectNumber ));
};func _cge (_ggb XrefTable ){_c .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");_c .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_edb :=0;for _ ,_bga :=range _ggb .ObjectMap {_c .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",_edb +1,_bga .ObjectNumber ,_bga .Generation ,_bga .Offset );
_edb ++;};};

// String returns a string describing `ind`.
func (_fade *PdfIndirectObject )String ()string {return _ab .Sprintf ("\u0049\u004f\u0062\u006a\u0065\u0063\u0074\u003a\u0025\u0064",(*_fade ).ObjectNumber );};

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

// 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 =='.'};func (_ccfbg *PdfParser )xrefNextObjectOffset (_gdea int64 )int64 {_gdfdf :=int64 (0);if len (_ccfbg ._ccacbg .ObjectMap )==0{return 0;};if len (_ccfbg ._ccacbg ._gf )==0{_fccab :=0;for _ ,_afbe :=range _ccfbg ._ccacbg .ObjectMap {if _afbe .Offset > 0{_fccab ++;
};};if _fccab ==0{return 0;};_ccfbg ._ccacbg ._gf =make ([]XrefObject ,_fccab );_daff :=0;for _ ,_ebae :=range _ccfbg ._ccacbg .ObjectMap {if _ebae .Offset > 0{_ccfbg ._ccacbg ._gf [_daff ]=_ebae ;_daff ++;};};_gc .Slice (_ccfbg ._ccacbg ._gf ,func (_dfebf ,_cfbc int )bool {return _ccfbg ._ccacbg ._gf [_dfebf ].Offset < _ccfbg ._ccacbg ._gf [_cfbc ].Offset ;
});};_dcab :=_gc .Search (len (_ccfbg ._ccacbg ._gf ),func (_bcfb int )bool {return _ccfbg ._ccacbg ._gf [_bcfb ].Offset >=_gdea });if _dcab < len (_ccfbg ._ccacbg ._gf ){_gdfdf =_ccfbg ._ccacbg ._gf [_dcab ].Offset ;};return _gdfdf ;};var _gaff =_gcd .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");
func (_abeg *PdfObjectInteger )String ()string {return _ab .Sprintf ("\u0025\u0064",*_abeg )};var _gabd =_df .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");func (_bcbg *PdfParser )getNumbersOfUpdatedObjects (_bgdbe *PdfParser )([]int ,error ){if _bgdbe ==nil {return nil ,_df .New ("\u0070\u0072e\u0076\u0069\u006f\u0075\u0073\u0020\u0070\u0061\u0072\u0073\u0065\u0072\u0020\u0063\u0061\u006e\u0027\u0074\u0020\u0062\u0065\u0020nu\u006c\u006c");
};_ccdgg :=_bgdbe ._eggf ;_cccd :=make ([]int ,0);_bdff :=make (map[int ]interface{});_ggdf :=make (map[int ]int64 );for _efeb ,_fbbg :=range _bcbg ._ccacbg .ObjectMap {if _fbbg .Offset ==0{if _fbbg .OsObjNumber !=0{if _dbbd ,_fdfb :=_bcbg ._ccacbg .ObjectMap [_fbbg .OsObjNumber ];
_fdfb {_bdff [_fbbg .OsObjNumber ]=struct{}{};_ggdf [_efeb ]=_dbbd .Offset ;}else {return nil ,_df .New ("u\u006ed\u0065\u0066\u0069\u006e\u0065\u0064\u0020\u0078r\u0065\u0066\u0020\u0074ab\u006c\u0065");};};}else {_ggdf [_efeb ]=_fbbg .Offset ;};};for _fddga ,_cbage :=range _ggdf {if _ ,_gdgb :=_bdff [_fddga ];
_gdgb {continue ;};if _cbage > _ccdgg {_cccd =append (_cccd ,_fddga );};};return _cccd ,nil ;};

// 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 ;_fbgf *_fb .Document ;

// Globals are the JBIG2 global segments.
Globals _ag .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 ;};

// GetRevision returns PdfParser for the specific version of the Pdf document.
func (_bdafg *PdfParser )GetRevision (revisionNumber int )(*PdfParser ,error ){_beec :=_bdafg ._bece ;if _beec ==revisionNumber {return _bdafg ,nil ;};if _beec < revisionNumber {return nil ,_df .New ("\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064\u0020\u0072\u0065\u0076\u0069\u0073i\u006fn\u004e\u0075\u006d\u0062\u0065\u0072\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e");
};if _bdafg ._bgc [revisionNumber ]!=nil {return _bdafg ._bgc [revisionNumber ],nil ;};_dagce :=_bdafg ;for ;_beec > revisionNumber ;_beec --{_gcgdc ,_cfdcb :=_dagce .GetPreviousRevisionParser ();if _cfdcb !=nil {return nil ,_cfdcb ;};_bdafg ._bgc [_beec -1]=_gcgdc ;
_bdafg ._acecg [_dagce ]=_gcgdc ;_dagce =_gcgdc ;};return _dagce ,nil ;};func (_gedbf *limitedReadSeeker )getError (_faeg int64 )error {switch {case _faeg < 0:return _ab .Errorf ("\u0075\u006e\u0065\u0078\u0070\u0065\u0063\u0074\u0065\u0064 \u006e\u0065\u0067\u0061\u0074\u0069\u0076e\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u003a\u0020\u0025\u0064",_faeg );
case _faeg > _gedbf ._edcb :return _ab .Errorf ("u\u006e\u0065\u0078\u0070ec\u0074e\u0064\u0020\u006f\u0066\u0066s\u0065\u0074\u003a\u0020\u0025\u0064",_faeg );};return nil ;};

// 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 (_eggd *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _ccg _ce .Gray ;switch len (data ){case _eggd .Rows *_eggd .Columns :_gbcag ,_acfe :=_ce .NewImage (_eggd .Columns ,_eggd .Rows ,8,1,data ,nil ,nil );if _acfe !=nil {return nil ,_acfe ;
};_ccg =_gbcag .(_ce .Gray );case (_eggd .Columns *_eggd .Rows )+7>>3:_dfde ,_ggceea :=_ce .NewImage (_eggd .Columns ,_eggd .Rows ,1,1,data ,nil ,nil );if _ggceea !=nil {return nil ,_ggceea ;};_cgd :=_dfde .(*_ce .Monochrome );if _ggceea =_cgd .AddPadding ();
_ggceea !=nil {return nil ,_ggceea ;};_ccg =_cgd ;default:if len (data )< _ce .BytesPerLine (_eggd .Columns ,1,1)*_eggd .Rows {return nil ,_df .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_fccc ,_gfac :=_ce .NewImage (_eggd .Columns ,_eggd .Rows ,1,1,data ,nil ,nil );if _gfac !=nil {return nil ,_gfac ;};_eafc :=_fccc .(*_ce .Monochrome );_ccg =_eafc ;};_fabd :=make ([][]byte ,_eggd .Rows );for _gcgc :=0;_gcgc < _eggd .Rows ;_gcgc ++{_defc :=make ([]byte ,_eggd .Columns );
for _eegg :=0;_eegg < _eggd .Columns ;_eegg ++{_agge :=_ccg .GrayAt (_eegg ,_gcgc );_defc [_eegg ]=_agge .Y >>7;};_fabd [_gcgc ]=_defc ;};_egeg :=&_ff .Encoder {K :_eggd .K ,Columns :_eggd .Columns ,EndOfLine :_eggd .EndOfLine ,EndOfBlock :_eggd .EndOfBlock ,BlackIs1 :_eggd .BlackIs1 ,DamagedRowsBeforeError :_eggd .DamagedRowsBeforeError ,Rows :_eggd .Rows ,EncodedByteAlign :_eggd .EncodedByteAlign };
return _egeg .Encode (_fabd ),nil ;};

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

// ResolveReference resolves reference if `o` is a *PdfObjectReference and returns the object referenced to.
// Otherwise returns back `o`.
func ResolveReference (obj PdfObject )PdfObject {if _bbcb ,_acbbb :=obj .(*PdfObjectReference );_acbbb {return _bbcb .Resolve ();};return obj ;};func _ebb (_cce int )cryptFilters {return cryptFilters {_gbg :_cb .NewFilterV2 (_cce )}};

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

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

// PdfObjectName represents the primitive PDF name object.
type PdfObjectName string ;

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

// 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 _bb .Image ,bwThreshold float64 )(*JBIG2Image ,error ){const _decd ="\u0047\u006f\u0049\u006d\u0061\u0067\u0065\u0054\u006fJ\u0042\u0049\u0047\u0032";if i ==nil {return nil ,_ca .Error (_decd ,"i\u006d\u0061\u0067\u0065 '\u0069'\u0020\u006e\u006f\u0074\u0020d\u0065\u0066\u0069\u006e\u0065\u0064");
};var (_fggcc uint8 ;_abff _ce .Image ;_gab error ;);if bwThreshold ==JB2ImageAutoThreshold {_abff ,_gab =_ce .MonochromeConverter .Convert (i );}else if bwThreshold > 1.0||bwThreshold < 0.0{return nil ,_ca .Error (_decd ,"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 {_fggcc =uint8 (255*bwThreshold );_abff ,_gab =_ce .MonochromeThresholdConverter (_fggcc ).Convert (i );};if _gab !=nil {return nil ,_gab ;};return _cgabe (_abff ),nil ;};func (_bbgfe *PdfCrypt )saveCryptFilters (_dac *PdfObjectDictionary )error {if _bbgfe ._cfa .V < 4{return _df .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");
};_ggf :=MakeDict ();_dac .Set ("\u0043\u0046",_ggf );for _dgaa ,_dag :=range _bbgfe ._eedf {if _dgaa =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_bbc :=_gce (_dag ,"");_ggf .Set (PdfObjectName (_dgaa ),_bbc );};_dac .Set ("\u0053\u0074\u0072\u0046",MakeName (_bbgfe ._aeec ));
_dac .Set ("\u0053\u0074\u006d\u0046",MakeName (_bbgfe ._bec ));return nil ;};

// String returns a string describing `stream`.
func (_geaba *PdfObjectStream )String ()string {return _ab .Sprintf ("O\u0062j\u0065\u0063\u0074\u0020\u0073\u0074\u0072\u0065a\u006d\u0020\u0025\u0064: \u0025\u0073",_geaba .ObjectNumber ,_geaba .PdfObjectDictionary );};func (_gfec *offsetReader )Read (p []byte )(_dcff int ,_dedb error ){return _gfec ._acag .Read (p )};


// ParserMetadata is the parser based metadata information about document.
// The data here could be used on document verification.
type ParserMetadata struct{_dacc int ;_ffd bool ;_adaf [4]byte ;_cdac bool ;_ded bool ;_acbf bool ;_gccg bool ;_bea bool ;_ccc bool ;};

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

// EncodeBytes JPX encodes the passed in slice of bytes.
func (_bfffb *JPXEncoder )EncodeBytes (data []byte )([]byte ,error ){_c .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",_bfffb .GetFilterName ());
return data ,ErrNoJPXDecode ;};

// Append appends PdfObject(s) to the streams.
func (_gbcd *PdfObjectStreams )Append (objects ...PdfObject ){if _gbcd ==nil {_c .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 ;};_gbcd ._aefa =append (_gbcd ._aefa ,objects ...);};

// 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 (_abgf *JBIG2Encoder )DecodeImages (encoded []byte )([]_bb .Image ,error ){const _febe ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_eebb ,_fefb :=_dfe .Decode (encoded ,_dfe .Parameters {},_abgf .Globals .ToDocumentGlobals ());
if _fefb !=nil {return nil ,_ca .Wrap (_fefb ,_febe ,"");};_aafa ,_fefb :=_eebb .PageNumber ();if _fefb !=nil {return nil ,_ca .Wrap (_fefb ,_febe ,"");};_eceg :=[]_bb .Image {};var _daec _bb .Image ;for _ffcf :=1;_ffcf <=_aafa ;_ffcf ++{_daec ,_fefb =_eebb .DecodePageImage (_ffcf );
if _fefb !=nil {return nil ,_ca .Wrapf (_fefb ,_febe ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_ffcf );};_eceg =append (_eceg ,_daec );};return _eceg ,nil ;};

// PdfIndirectObject represents the primitive PDF indirect object.
type PdfIndirectObject struct{PdfObjectReference ;PdfObject ;};

// 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 )(_aaae int ,_cbffd bool ){_dgea ,_cbffd :=TraceToDirectObject (obj ).(*PdfObjectInteger );if _cbffd &&_dgea !=nil {return int (*_dgea ),true ;};return 0,false ;};func (_eedfa *PdfParser )parseArray ()(*PdfObjectArray ,error ){_bdaf :=MakeArray ();
_eedfa ._acefe .ReadByte ();for {_eedfa .skipSpaces ();_afcb ,_affg :=_eedfa ._acefe .Peek (1);if _affg !=nil {return _bdaf ,_affg ;};if _afcb [0]==']'{_eedfa ._acefe .ReadByte ();break ;};_dbcb ,_affg :=_eedfa .parseObject ();if _affg !=nil {return _bdaf ,_affg ;
};_bdaf .Append (_dbcb );};return _bdaf ,nil ;};

// PdfObjectArray represents the primitive PDF array object.
type PdfObjectArray struct{_dbaf []PdfObject };var _dfgbc =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};

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

// 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 (_cgdc *PdfObjectDictionary )GetString (key PdfObjectName )(string ,bool ){_gbfbe :=_cgdc .Get (key );if _gbfbe ==nil {return "",false ;};_ffb ,_feac :=_gbfbe .(*PdfObjectString );if !_feac {return "",false ;};return _ffb .Str (),true ;};

// 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 (_geefa *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_gbfb :=n ;_daf :=0;_gecc :=0;for _gbfb > 0{_edbgg ,_gdfc :=_geefa ._acefe .Read (p [_daf :]);if _gdfc !=nil {_c .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",_edbgg ,_gecc ,_gdfc .Error ());
return _daf ,_df .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_gecc ++;_daf +=_edbgg ;_gbfb -=_edbgg ;};return _daf ,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 (_gfc *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _gfc .isEncrypted (obj ){return nil ;};switch _gbgg :=obj .(type ){case *PdfIndirectObject :_gfc ._fba [_gbgg ]=true ;_c .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",_gbgg .ObjectNumber ,_gbgg .GenerationNumber );
_dacgf :=_gbgg .ObjectNumber ;_cffg :=_gbgg .GenerationNumber ;_gacfg :=_gfc .Encrypt (_gbgg .PdfObject ,_dacgf ,_cffg );if _gacfg !=nil {return _gacfg ;};return nil ;case *PdfObjectStream :_gfc ._fba [_gbgg ]=true ;_dcc :=_gbgg .PdfObjectDictionary ;if _aeb ,_gga :=_dcc .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_gga &&*_aeb =="\u0058\u0052\u0065\u0066"{return nil ;};_fgad :=_gbgg .ObjectNumber ;_dcf :=_gbgg .GenerationNumber ;_c .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_fgad ,_dcf );
_bde :=_gbg ;if _gfc ._cfa .V >=4{_bde =_gfc ._bec ;_c .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_gfc ._bec );if _facb ,_efc :=_dcc .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_efc {if _eca ,_bgad :=GetName (_facb .Get (0));_bgad {if *_eca =="\u0043\u0072\u0079p\u0074"{_bde ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _cda ,_dca :=_dcc .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_dca {if _gaa ,_bcdg :=_cda .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_bcdg {if _ ,_egb :=_gfc ._eedf [string (*_gaa )];_egb {_c .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_gaa );
_bde =string (*_gaa );};};};};};};_c .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_bde );if _bde =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_ffc :=_gfc .Encrypt (_gbgg .PdfObjectDictionary ,_fgad ,_dcf );
if _ffc !=nil {return _ffc ;};_baa ,_ffc :=_gfc .makeKey (_bde ,uint32 (_fgad ),uint32 (_dcf ),_gfc ._ec );if _ffc !=nil {return _ffc ;};_gbgg .Stream ,_ffc =_gfc .encryptBytes (_gbgg .Stream ,_bde ,_baa );if _ffc !=nil {return _ffc ;};_dcc .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_gbgg .Stream ))));
return nil ;case *PdfObjectString :_c .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_afad :=_gbg ;if _gfc ._cfa .V >=4{_c .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_gfc ._aeec );
if _gfc ._aeec =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_afad =_gfc ._aeec ;};_afd ,_bdea :=_gfc .makeKey (_afad ,uint32 (parentObjNum ),uint32 (parentGenNum ),_gfc ._ec );if _bdea !=nil {return _bdea ;};_acfb :=_gbgg .Str ();
_ced :=make ([]byte ,len (_acfb ));for _aba :=0;_aba < len (_acfb );_aba ++{_ced [_aba ]=_acfb [_aba ];};_c .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_ced ,_ced );
_ced ,_bdea =_gfc .encryptBytes (_ced ,_afad ,_afd );if _bdea !=nil {return _bdea ;};_gbgg ._bdgdf =string (_ced );return nil ;case *PdfObjectArray :for _ ,_fggc :=range _gbgg .Elements (){_ggce :=_gfc .Encrypt (_fggc ,parentObjNum ,parentGenNum );if _ggce !=nil {return _ggce ;
};};return nil ;case *PdfObjectDictionary :_edc :=false ;if _bae :=_gbgg .Get ("\u0054\u0079\u0070\u0065");_bae !=nil {_addd ,_aebe :=_bae .(*PdfObjectName );if _aebe &&*_addd =="\u0053\u0069\u0067"{_edc =true ;};};for _ ,_fgfa :=range _gbgg .Keys (){_gfda :=_gbgg .Get (_fgfa );
if _edc &&string (_fgfa )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_fgfa )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_fgfa )!="\u0050\u0072\u0065\u0076"&&string (_fgfa )!="\u004c\u0061\u0073\u0074"{_cbae :=_gfc .Encrypt (_gfda ,parentObjNum ,parentGenNum );
if _cbae !=nil {return _cbae ;};};};return nil ;};return nil ;};func _eeec (_cdaa string )(int ,int ,error ){_ecda :=_efcf .FindStringSubmatch (_cdaa );if len (_ecda )< 3{return 0,0,_df .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");
};_debff ,_ :=_dd .Atoi (_ecda [1]);_bdbd ,_ :=_dd .Atoi (_ecda [2]);return _debff ,_bdbd ,nil ;};

// Keys returns the list of keys in the dictionary.
// If `d` is nil returns a nil slice.
func (_edgg *PdfObjectDictionary )Keys ()[]PdfObjectName {if _edgg ==nil {return nil ;};return _edgg ._egde ;};

// GetFilterName returns the name of the encoding filter.
func (_cdebf *ASCII85Encoder )GetFilterName ()string {return StreamEncodingFilterNameASCII85 };func _ecbcb (_faae *PdfObjectStream ,_bgbf *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _dbgd ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";
_acecf :=NewJBIG2Encoder ();_bda :=_faae .PdfObjectDictionary ;if _bda ==nil {return _acecf ,nil ;};if _bgbf ==nil {_ffae :=_bda .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _ffae !=nil {switch _dabd :=_ffae .(type ){case *PdfObjectDictionary :_bgbf =_dabd ;
case *PdfObjectArray :if _dabd .Len ()==1{if _egbc ,_baga :=GetDict (_dabd .Get (0));_baga {_bgbf =_egbc ;};};default:_c .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",_ffae );
return nil ,_ca .Errorf (_dbgd ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_dabd );};};};if _bgbf ==nil {return _acecf ,nil ;};_acecf .UpdateParams (_bgbf );
_gedd ,_fdga :=GetStream (_bgbf .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_fdga {return _acecf ,nil ;};var _daedd error ;_acecf .Globals ,_daedd =_ag .DecodeGlobals (_gedd .Stream );if _daedd !=nil {_daedd =_ca .Wrap (_daedd ,_dbgd ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_c .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_daedd );return nil ,_daedd ;};return _acecf ,nil ;};func _geg (_dbg *PdfObjectStream ,_becc *MultiEncoder )(*DCTEncoder ,error ){_fec :=NewDCTEncoder ();_bfed :=_dbg .PdfObjectDictionary ;
if _bfed ==nil {return _fec ,nil ;};_bfdf :=_dbg .Stream ;if _becc !=nil {_bbcg ,_dbga :=_becc .DecodeBytes (_bfdf );if _dbga !=nil {return nil ,_dbga ;};_bfdf =_bbcg ;};_fca :=_fc .NewReader (_bfdf );_gdfg ,_decfd :=_a .DecodeConfig (_fca );if _decfd !=nil {_c .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_decfd );
return nil ,_decfd ;};switch _gdfg .ColorModel {case _fe .RGBAModel :_fec .BitsPerComponent =8;_fec .ColorComponents =3;_fec .Decode =[]float64 {0.0,1.0,0.0,1.0,0.0,1.0};case _fe .RGBA64Model :_fec .BitsPerComponent =16;_fec .ColorComponents =3;_fec .Decode =[]float64 {0.0,1.0,0.0,1.0,0.0,1.0};
case _fe .GrayModel :_fec .BitsPerComponent =8;_fec .ColorComponents =1;_fec .Decode =[]float64 {0.0,1.0};case _fe .Gray16Model :_fec .BitsPerComponent =16;_fec .ColorComponents =1;_fec .Decode =[]float64 {0.0,1.0};case _fe .CMYKModel :_fec .BitsPerComponent =8;
_fec .ColorComponents =4;_fec .Decode =[]float64 {0.0,1.0,0.0,1.0,0.0,1.0,0.0,1.0};case _fe .YCbCrModel :_fec .BitsPerComponent =8;_fec .ColorComponents =3;_fec .Decode =[]float64 {0.0,1.0,0.0,1.0,0.0,1.0};default:return nil ,_df .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_fec .Width =_gdfg .Width ;_fec .Height =_gdfg .Height ;_c .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_fec );_fec .Quality =DefaultJPEGQuality ;_gcb ,_bfbga :=GetArray (_bfed .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
if _bfbga {_ggde ,_efa :=_gcb .ToFloat64Array ();if _efa !=nil {return _fec ,_efa ;};_fec .Decode =_ggde ;};return _fec ,nil ;};

// String returns a string describing `array`.
func (_dacbf *PdfObjectArray )String ()string {_ccec :="\u005b";for _egdec ,_fcba :=range _dacbf .Elements (){_ccec +=_fcba .String ();if _egdec < (_dacbf .Len ()-1){_ccec +="\u002c\u0020";};};_ccec +="\u005d";return _ccec ;};

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

// 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 (_gbbe *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_bgfc :=_fc .NewReader (encoded );var _gcea []byte ;for {_cgcgb ,_ggadf :=_bgfc .ReadByte ();if _ggadf !=nil {return nil ,_ggadf ;};if _cgcgb > 128{_dbgf ,_caag :=_bgfc .ReadByte ();
if _caag !=nil {return nil ,_caag ;};for _fab :=0;_fab < 257-int (_cgcgb );_fab ++{_gcea =append (_gcea ,_dbgf );};}else if _cgcgb < 128{for _fbb :=0;_fbb < int (_cgcgb )+1;_fbb ++{_bfbe ,_fgfe :=_bgfc .ReadByte ();if _fgfe !=nil {return nil ,_fgfe ;};
_gcea =append (_gcea ,_bfbe );};}else {break ;};};return _gcea ,nil ;};type offsetReader struct{_acag _abb .ReadSeeker ;_gacff int64 ;};

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

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

// Inspect analyzes the document object structure. Returns a map of object types (by name) with the instance count
// as value.
func (_bgeb *PdfParser )Inspect ()(map[string ]int ,error ){return _bgeb .inspect ()};func (_egdg *PdfParser )parseBool ()(PdfObjectBool ,error ){_fgeg ,_dcad :=_egdg ._acefe .Peek (4);if _dcad !=nil {return PdfObjectBool (false ),_dcad ;};if (len (_fgeg )>=4)&&(string (_fgeg [:4])=="\u0074\u0072\u0075\u0065"){_egdg ._acefe .Discard (4);
return PdfObjectBool (true ),nil ;};_fgeg ,_dcad =_egdg ._acefe .Peek (5);if _dcad !=nil {return PdfObjectBool (false ),_dcad ;};if (len (_fgeg )>=5)&&(string (_fgeg [:5])=="\u0066\u0061\u006cs\u0065"){_egdg ._acefe .Discard (5);return PdfObjectBool (false ),nil ;
};return PdfObjectBool (false ),_df .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");};