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 (_ga "bufio";_fb "bytes";_fd "compress/lzw";_da "compress/zlib";_fe "crypto/md5";_aa "crypto/rand";_dc "encoding/hex";_f "errors";_daa "fmt";_ecd "github.com/unidoc/unipdf/v3/common";_fg "github.com/unidoc/unipdf/v3/core/security";
_bc "github.com/unidoc/unipdf/v3/core/security/crypt";_cf "github.com/unidoc/unipdf/v3/internal/ccittfax";_fcf "github.com/unidoc/unipdf/v3/internal/imageutil";_eb "github.com/unidoc/unipdf/v3/internal/jbig2";_df "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";
_ag "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";_cb "github.com/unidoc/unipdf/v3/internal/jbig2/document";_cd "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_ce "github.com/unidoc/unipdf/v3/internal/strutils";_daf "golang.org/x/image/tiff/lzw";
_aae "golang.org/x/xerrors";_ac "image";_ec "image/color";_bd "image/jpeg";_ae "io";_a "io/ioutil";_e "reflect";_fc "regexp";_db "sort";_bf "strconv";_c "strings";_d "sync";_g "time";_de "unicode";);

// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_ecc *PdfCrypt )GetAccessPermissions ()_fg .Permissions {return _ecc ._af .P };

// 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 ;};

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

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

// IsOctalDigit checks if a character can be part of an octal digit string.
func IsOctalDigit (c byte )bool {return '0'<=c &&c <='7'};func (_eggb *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_ae .SeekStart {offset +=_eggb ._febb ;};_fbbde ,_badcc :=_eggb ._fgba .Seek (offset ,whence );if _badcc !=nil {return _fbbde ,_badcc ;
};if whence ==_ae .SeekCurrent {_fbbde -=_eggb ._febb ;};if _fbbde < 0{return 0,_f .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 _fbbde ,nil ;};func (_fddb *PdfParser )parseHexString ()(*PdfObjectString ,error ){_fddb ._affd .ReadByte ();var _fgdg _fb .Buffer ;for {_dacfa ,_gca :=_fddb ._affd .Peek (1);if _gca !=nil {return MakeString (""),_gca ;};if _dacfa [0]=='>'{_fddb ._affd .ReadByte ();
break ;};_ddead ,_ :=_fddb ._affd .ReadByte ();if _fddb ._adaa {if _fb .IndexByte (_abbc ,_ddead )==-1{_fddb ._bcdc ._gagg =true ;};};if !IsWhiteSpace (_ddead ){_fgdg .WriteByte (_ddead );};};if _fgdg .Len ()%2==1{_fddb ._bcdc ._abb =true ;_fgdg .WriteRune ('0');
};_dgfd ,_ :=_dc .DecodeString (_fgdg .String ());return MakeHexString (string (_dgfd )),nil ;};

// 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 (_gccd *PdfParser )GetTrailer ()*PdfObjectDictionary {return _gccd ._gddgc };func (_bcc *PdfCrypt )saveCryptFilters (_eff *PdfObjectDictionary )error {if _bcc ._dgb .V < 4{return _f .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");
};_baff :=MakeDict ();_eff .Set ("\u0043\u0046",_baff );for _gbgc ,_gea :=range _bcc ._bgbe {if _gbgc =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_ebfa :=_agf (_gea ,"");_baff .Set (PdfObjectName (_gbgc ),_ebfa );};_eff .Set ("\u0053\u0074\u0072\u0046",MakeName (_bcc ._ffd ));
_eff .Set ("\u0053\u0074\u006d\u0046",MakeName (_bcc ._gfd ));return nil ;};func _bafgb (_cagg int )int {_dede :=_cagg >>(_dbbgc -1);return (_cagg ^_dede )-_dede };

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

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

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_aca *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _cffg _ac .Image ;if _aca .ColorComponents ==1&&_aca .BitsPerComponent ==8{_cffg =&_ac .Gray {Rect :_ac .Rect (0,0,_aca .Width ,_aca .Height ),Pix :data ,Stride :_fcf .BytesPerLine (_aca .Width ,_aca .BitsPerComponent ,_aca .ColorComponents )};
}else {var _agfac error ;_cffg ,_agfac =_fcf .NewImage (_aca .Width ,_aca .Height ,_aca .BitsPerComponent ,_aca .ColorComponents ,data ,nil ,nil );if _agfac !=nil {return nil ,_agfac ;};};_gef :=_bd .Options {};_gef .Quality =_aca .Quality ;var _aebd _fb .Buffer ;
if _egdf :=_bd .Encode (&_aebd ,_cffg ,&_gef );_egdf !=nil {return nil ,_egdf ;};return _aebd .Bytes (),nil ;};

// 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 (_ebfc *PdfObjectDictionary )GetString (key PdfObjectName )(string ,bool ){_bgbc :=_ebfc .Get (key );if _bgbc ==nil {return "",false ;};_agbc ,_ccba :=_bgbc .(*PdfObjectString );if !_ccba {return "",false ;};return _agbc .Str (),true ;};func (_ccgag *PdfParser )checkLinearizedInformation (_abgeb *PdfObjectDictionary )(bool ,error ){var _gafd error ;
_ccgag ._gbcg ,_gafd =GetNumberAsInt64 (_abgeb .Get ("\u004c"));if _gafd !=nil {return false ,_gafd ;};_gafd =_ccgag .seekToEOFMarker (_ccgag ._gbcg );switch _gafd {case nil :return true ,nil ;case _aaag :return false ,nil ;default:return false ,_gafd ;
};};

// MakeInteger creates a PdfObjectInteger from an int64.
func MakeInteger (val int64 )*PdfObjectInteger {_bcbeed :=PdfObjectInteger (val );return &_bcbeed };func _ebba (_dabe *PdfObjectDictionary )(_gggd *_fcf .ImageBase ){var (_aaefa *PdfObjectInteger ;_gcce bool ;);if _aaefa ,_gcce =_dabe .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );
_gcce {_gggd =&_fcf .ImageBase {Width :int (*_aaefa )};}else {return nil ;};if _aaefa ,_gcce =_dabe .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );_gcce {_gggd .Height =int (*_aaefa );};if _aaefa ,_gcce =_dabe .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );
_gcce {_gggd .BitsPerComponent =int (*_aaefa );};if _aaefa ,_gcce =_dabe .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );_gcce {_gggd .ColorComponents =int (*_aaefa );};return _gggd ;};

// DecodeBytes returns the passed in slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_ade *RawEncoder )DecodeBytes (encoded []byte )([]byte ,error ){return encoded ,nil };func (_becg *PdfCrypt )isEncrypted (_ddeb PdfObject )bool {_ ,_ceaa :=_becg ._ggf [_ddeb ];if _ceaa {_ecd .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};_ecd .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");return false ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_gfg *LZWEncoder )MakeDecodeParams ()PdfObject {if _gfg .Predictor > 1{_bga :=MakeDict ();_bga .Set ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr",MakeInteger (int64 (_gfg .Predictor )));if _gfg .BitsPerComponent !=8{_bga .Set ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074",MakeInteger (int64 (_gfg .BitsPerComponent )));
};if _gfg .Columns !=1{_bga .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_gfg .Columns )));};if _gfg .Colors !=1{_bga .Set ("\u0043\u006f\u006c\u006f\u0072\u0073",MakeInteger (int64 (_gfg .Colors )));};return _bga ;};return nil ;};
func (_fbgg *PdfParser )parseObject ()(PdfObject ,error ){_ecd .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");_fbgg .skipSpaces ();for {_fbfg ,_ecde :=_fbgg ._affd .Peek (2);if _ecde !=nil {if _ecde !=_ae .EOF ||len (_fbfg )==0{return nil ,_ecde ;
};if len (_fbfg )==1{_fbfg =append (_fbfg ,' ');};};_ecd .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_fbfg ));if _fbfg [0]=='/'{_bfcaa ,_beaf :=_fbgg .parseName ();_ecd .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_bfcaa );
return &_bfcaa ,_beaf ;}else if _fbfg [0]=='('{_ecd .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");_bdeg ,_edbe :=_fbgg .parseString ();return _bdeg ,_edbe ;}else if _fbfg [0]=='['{_ecd .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");
_aefbd ,_ebb :=_fbgg .parseArray ();return _aefbd ,_ebb ;}else if (_fbfg [0]=='<')&&(_fbfg [1]=='<'){_ecd .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");_fgee ,_agcc :=_fbgg .ParseDict ();return _fgee ,_agcc ;}else if _fbfg [0]=='<'{_ecd .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");
_gffg ,_gfe :=_fbgg .parseHexString ();return _gffg ,_gfe ;}else if _fbfg [0]=='%'{_fbgg .readComment ();_fbgg .skipSpaces ();}else {_ecd .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_fbfg ,_ =_fbgg ._affd .Peek (15);
_fgfef :=string (_fbfg );_ecd .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_fgfef );if (len (_fgfef )> 3)&&(_fgfef [:4]=="\u006e\u0075\u006c\u006c"){_ecfcc ,_geda :=_fbgg .parseNull ();return &_ecfcc ,_geda ;}else if (len (_fgfef )> 4)&&(_fgfef [:5]=="\u0066\u0061\u006cs\u0065"){_ddaed ,_dece :=_fbgg .parseBool ();
return &_ddaed ,_dece ;}else if (len (_fgfef )> 3)&&(_fgfef [:4]=="\u0074\u0072\u0075\u0065"){_ggbfg ,_dgdbd :=_fbgg .parseBool ();return &_ggbfg ,_dgdbd ;};_dbddg :=_becgf .FindStringSubmatch (_fgfef );if len (_dbddg )> 1{_fbfg ,_ =_fbgg ._affd .ReadBytes ('R');
_ecd .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_fbfg [:]));_fcg ,_cggf :=_gcdaa (string (_fbfg ));_fcg ._ceda =_fbgg ;return &_fcg ,_cggf ;};_ecaf :=_dbdd .FindStringSubmatch (_fgfef );if len (_ecaf )> 1{_ecd .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");
_cccbf ,_agfg :=_fbgg .parseNumber ();return _cccbf ,_agfg ;};_ecaf =_adcf .FindStringSubmatch (_fgfef );if len (_ecaf )> 1{_ecd .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");
_ecd .Log .Trace ("\u0025\u0020\u0073",_ecaf );_dgcc ,_fdbg :=_fbgg .parseNumber ();return _dgcc ,_fdbg ;};_ecd .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_fgfef );
return nil ,_f .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");
};};};

// GetFilterName returns the name of the encoding filter.
func (_fba *FlateEncoder )GetFilterName ()string {return StreamEncodingFilterNameFlate };type xrefType int ;func (_fag *PdfCrypt )generateParams (_cff ,_cgbc []byte )error {_caff :=_fag .securityHandler ();_gccc ,_bcbb :=_caff .GenerateParams (&_fag ._af ,_cgbc ,_cff );
if _bcbb !=nil {return _bcbb ;};_fag ._fedc =_gccc ;return nil ;};func _cfbbgc (_dfegc _fcf .Image )*JBIG2Image {_cgg :=_dfegc .Base ();return &JBIG2Image {Data :_cgg .Data ,Width :_cgg .Width ,Height :_cgg .Height ,HasPadding :true };};func (_degbe *limitedReadSeeker )getError (_fcea int64 )error {switch {case _fcea < 0:return _daa .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",_fcea );
case _fcea > _degbe ._bfgb :return _daa .Errorf ("u\u006e\u0065\u0078\u0070ec\u0074e\u0064\u0020\u006f\u0066\u0066s\u0065\u0074\u003a\u0020\u0025\u0064",_fcea );};return nil ;};

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

// DecodeBytes decodes a slice of Flate encoded bytes and returns the result.
func (_gcfg *FlateEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_ecd .Log .Trace ("\u0046\u006c\u0061\u0074\u0065\u0044\u0065\u0063\u006f\u0064\u0065\u0020b\u0079\u0074\u0065\u0073");if len (encoded )==0{_ecd .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 ;};_geea :=_fb .NewReader (encoded );_faaa ,_dec :=_da .NewReader (_geea );if _dec !=nil {_ecd .Log .Debug ("\u0044e\u0063o\u0064\u0069\u006e\u0067\u0020e\u0072\u0072o\u0072\u0020\u0025\u0076\u000a",_dec );_ecd .Log .Debug ("\u0053t\u0072e\u0061\u006d\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (encoded ),encoded );
return nil ,_dec ;};defer _faaa .Close ();var _cdec _fb .Buffer ;_cdec .ReadFrom (_faaa );return _cdec .Bytes (),nil ;};var _bbcd =_fc .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");

// Append appends PdfObject(s) to the array.
func (_gegd *PdfObjectArray )Append (objects ...PdfObject ){if _gegd ==nil {_ecd .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 ;};_gegd ._egacc =append (_gegd ._egacc ,objects ...);};func (_ecb *PdfCrypt )checkAccessRights (_gbd []byte )(bool ,_fg .Permissions ,error ){_gcc :=_ecb .securityHandler ();_deb ,_faf ,_geg :=_gcc .Authenticate (&_ecb ._af ,_gbd );if _geg !=nil {return false ,0,_geg ;
}else if _faf ==0||len (_deb )==0{return false ,0,nil ;};return true ,_faf ,nil ;};

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

// 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 )(_fdeeb *PdfObjectString ,_acg bool ){_fdeeb ,_acg =TraceToDirectObject (obj ).(*PdfObjectString );return _fdeeb ,_acg ;};

// 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 ))};

// WriteString outputs the object as it is to be written to file.
func (_bbbf *PdfObjectString )WriteString ()string {var _fceb _fb .Buffer ;if _bbbf ._eecb {_bedc :=_dc .EncodeToString (_bbbf .Bytes ());_fceb .WriteString ("\u003c");_fceb .WriteString (_bedc );_fceb .WriteString ("\u003e");return _fceb .String ();};
_fdbag :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_fceb .WriteString ("\u0028");for _gefb :=0;_gefb < len (_bbbf ._cceg );
_gefb ++{_edgb :=_bbbf ._cceg [_gefb ];if _cdccb ,_gafdf :=_fdbag [_edgb ];_gafdf {_fceb .WriteString (_cdccb );}else {_fceb .WriteByte (_edgb );};};_fceb .WriteString ("\u0029");return _fceb .String ();};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_cegc *RunLengthEncoder )MakeDecodeParams ()PdfObject {return nil };func (_cbcb *PdfParser )readComment ()(string ,error ){var _aebdc _fb .Buffer ;_ ,_ccaf :=_cbcb .skipSpaces ();if _ccaf !=nil {return _aebdc .String (),_ccaf ;};_dfede :=true ;for {_cgdf ,_ggged :=_cbcb ._affd .Peek (1);
if _ggged !=nil {_ecd .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_ggged .Error ());return _aebdc .String (),_ggged ;};if _dfede &&_cgdf [0]!='%'{return _aebdc .String (),_f .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");
};_dfede =false ;if (_cgdf [0]!='\r')&&(_cgdf [0]!='\n'){_cabga ,_ :=_cbcb ._affd .ReadByte ();_aebdc .WriteByte (_cabga );}else {break ;};};return _aebdc .String (),nil ;};func (_baag *PdfParser )inspect ()(map[string ]int ,error ){_ecd .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");
_ecd .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_deead :=map[string ]int {};_eced :=0;_gaca :=0;var _ggafc []int ;for _fdfge :=range _baag ._efdgc .ObjectMap {_ggafc =append (_ggafc ,_fdfge );};_db .Ints (_ggafc );_ddfd :=0;
for _ ,_dfdc :=range _ggafc {_dcgf :=_baag ._efdgc .ObjectMap [_dfdc ];if _dcgf .ObjectNumber ==0{continue ;};_eced ++;_ecd .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_ecd .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",_dcgf .ObjectNumber );
_daec ,_gcegd :=_baag .LookupByNumber (_dcgf .ObjectNumber );if _gcegd !=nil {_ecd .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",_dcgf .ObjectNumber ,_gcegd );
_gaca ++;continue ;};_ecd .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_daec );_bgaeg ,_edega :=_daec .(*PdfIndirectObject );if _edega {_ecd .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_dcgf .ObjectNumber ,_bgaeg );
_agdad ,_cbgb :=_bgaeg .PdfObject .(*PdfObjectDictionary );if _cbgb {if _dggdc ,_egdc :=_agdad .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_egdc {_cfed :=string (*_dggdc );_ecd .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_cfed );
_ ,_faac :=_deead [_cfed ];if _faac {_deead [_cfed ]++;}else {_deead [_cfed ]=1;};}else if _eadfe ,_gcefa :=_agdad .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_gcefa {_ddfc :=string (*_eadfe );_ecd .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_ddfc );
_ ,_aefd :=_deead [_ddfc ];if _aefd {_deead [_ddfc ]++;}else {_deead [_ddfc ]=1;};};if _aeaca ,_gegdc :=_agdad .Get ("\u0053").(*PdfObjectName );_gegdc &&*_aeaca =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_gggb :=_deead ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _gggb {_deead ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_deead ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _afgdf ,_fgca :=_daec .(*PdfObjectStream );_fgca {if _aaaf ,_fbgc :=_afgdf .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_fbgc {_ecd .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",*_aaaf );_afcb :=string (*_aaaf );_deead [_afcb ]++;};}else {_dceba ,_debe :=_daec .(*PdfObjectDictionary );
if _debe {_dgacc ,_dged :=_dceba .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _dged {_ggbb :=string (*_dgacc );_ecd .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_ggbb );_deead [_ggbb ]++;};};
_ecd .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_dcgf .ObjectNumber ,_daec );};_ddfd ++;};_ecd .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");
_ecd .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");_ecd .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_eced );_ecd .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_gaca );
for _fdgcf ,_ffdc :=range _deead {_ecd .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_fdgcf ,_ffdc );};_ecd .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_baag ._efdgc .ObjectMap )< 1{_ecd .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 ,_daa .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");};_cegfa ,_dacfe :=_deead ["\u0046\u006f\u006e\u0074"];
if !_dacfe ||_cegfa < 2{_ecd .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 {_ecd .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 _deead ,nil ;};

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

// NewFlateEncoder makes a new flate encoder with default parameters, predictor 1 and bits per component 8.
func NewFlateEncoder ()*FlateEncoder {_aegf :=&FlateEncoder {};_aegf .Predictor =1;_aegf .BitsPerComponent =8;_aegf .Colors =1;_aegf .Columns =1;return _aegf ;};func (_bbdg *PdfParser )readTextLine ()(string ,error ){var _bcgga _fb .Buffer ;for {_bggb ,_efge :=_bbdg ._affd .Peek (1);
if _efge !=nil {_ecd .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_efge .Error ());return _bcgga .String (),_efge ;};if (_bggb [0]!='\r')&&(_bggb [0]!='\n'){_efcb ,_ :=_bbdg ._affd .ReadByte ();_bcgga .WriteByte (_efcb );}else {break ;
};};return _bcgga .String (),nil ;};func _dfg (_fcbc *PdfObjectStream ,_gegc *PdfObjectDictionary )(*FlateEncoder ,error ){_bgbee :=NewFlateEncoder ();_bce :=_fcbc .PdfObjectDictionary ;if _bce ==nil {return _bgbee ,nil ;};_bgbee ._bgba =_ebba (_bce );
if _gegc ==nil {_efcf :=TraceToDirectObject (_bce .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));switch _ccb :=_efcf .(type ){case *PdfObjectArray :if _ccb .Len ()!=1{_ecd .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",_ccb .Len ());
return nil ,_f .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _aecfb ,_dcef :=GetDict (_ccb .Get (0));_dcef {_gegc =_aecfb ;};case *PdfObjectDictionary :_gegc =_ccb ;case *PdfObjectNull ,nil :default:_ecd .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",_efcf );
return nil ,_daa .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _gegc ==nil {return _bgbee ,nil ;};_ecd .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_gegc .String ());
_bgbd :=_gegc .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _bgbd ==nil {_ecd .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 {_bed ,_fcaa :=_bgbd .(*PdfObjectInteger );if !_fcaa {_ecd .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",_bgbd );
return nil ,_daa .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_bgbee .Predictor =int (*_bed );};_bgbd =_gegc .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _bgbd !=nil {_bccdc ,_cacf :=_bgbd .(*PdfObjectInteger );if !_cacf {_ecd .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 ,_daa .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_bgbee .BitsPerComponent =int (*_bccdc );};if _bgbee .Predictor > 1{_bgbee .Columns =1;
_bgbd =_gegc .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");if _bgbd !=nil {_baef ,_fdb :=_bgbd .(*PdfObjectInteger );if !_fdb {return nil ,_daa .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");
};_bgbee .Columns =int (*_baef );};_bgbee .Colors =1;_bgbd =_gegc .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _bgbd !=nil {_afec ,_fbfc :=_bgbd .(*PdfObjectInteger );if !_fbfc {return nil ,_daa .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");
};_bgbee .Colors =int (*_afec );};};return _bgbee ,nil ;};

// LookupByNumber looks up a PdfObject by object number.  Returns an error on failure.
func (_ee *PdfParser )LookupByNumber (objNumber int )(PdfObject ,error ){_edc ,_ ,_bff :=_ee .lookupByNumberWrapper (objNumber ,true );return _edc ,_bff ;};func _dacdg (_eca *PdfObjectStream ,_accg *PdfObjectDictionary )(*LZWEncoder ,error ){_fdca :=NewLZWEncoder ();
_fafb :=_eca .PdfObjectDictionary ;if _fafb ==nil {return _fdca ,nil ;};if _accg ==nil {_dfed :=TraceToDirectObject (_fafb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _dfed !=nil {if _eddef ,_ggbc :=_dfed .(*PdfObjectDictionary );
_ggbc {_accg =_eddef ;}else if _gfdb ,_edg :=_dfed .(*PdfObjectArray );_edg {if _gfdb .Len ()==1{if _ccbd ,_dgd :=GetDict (_gfdb .Get (0));_dgd {_accg =_ccbd ;};};};if _accg ==nil {_ecd .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",_dfed );
return nil ,_daa .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_ddff :=_fafb .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _ddff !=nil {_cace ,_abgd :=_ddff .(*PdfObjectInteger );
if !_abgd {_ecd .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",_ddff );
return nil ,_daa .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_cace !=0&&*_cace !=1{return nil ,_daa .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");
};_fdca .EarlyChange =int (*_cace );}else {_fdca .EarlyChange =1;};if _accg ==nil {return _fdca ,nil ;};if _ccbfd ,_fcdg :=GetIntVal (_accg .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_fcdg {if _ccbfd ==0||_ccbfd ==1{_fdca .EarlyChange =_ccbfd ;
}else {_ecd .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",_ccbfd );};};_ddff =_accg .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _ddff !=nil {_gbeg ,_aeafb :=_ddff .(*PdfObjectInteger );if !_aeafb {_ecd .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",_ddff );
return nil ,_daa .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_fdca .Predictor =int (*_gbeg );};_ddff =_accg .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _ddff !=nil {_ceea ,_eeag :=_ddff .(*PdfObjectInteger );if !_eeag {_ecd .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 ,_daa .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_fdca .BitsPerComponent =int (*_ceea );};if _fdca .Predictor > 1{_fdca .Columns =1;_ddff =_accg .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _ddff !=nil {_cgec ,_fbbf :=_ddff .(*PdfObjectInteger );if !_fbbf {return nil ,_daa .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_fdca .Columns =int (*_cgec );
};_fdca .Colors =1;_ddff =_accg .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _ddff !=nil {_bdg ,_edfg :=_ddff .(*PdfObjectInteger );if !_edfg {return nil ,_daa .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");
};_fdca .Colors =int (*_bdg );};};_ecd .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_accg .String ());return _fdca ,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 _gbad :=obj .(type ){case *PdfObjectFloat :_ecd .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 (*_gbad ),nil ;case *PdfObjectInteger :return int64 (*_gbad ),nil ;case *PdfObjectReference :_dfag :=TraceToDirectObject (obj );return GetNumberAsInt64 (_dfag );case *PdfIndirectObject :return GetNumberAsInt64 (_gbad .PdfObject );};return 0,ErrNotANumber ;
};

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

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

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

// 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 ;};

// 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 (_debbc *PdfObjectDictionary )SetIfNotNil (key PdfObjectName ,val PdfObject ){if val !=nil {switch _abca :=val .(type ){case *PdfObjectName :if _abca !=nil {_debbc .Set (key ,val );};case *PdfObjectDictionary :if _abca !=nil {_debbc .Set (key ,val );
};case *PdfObjectStream :if _abca !=nil {_debbc .Set (key ,val );};case *PdfObjectString :if _abca !=nil {_debbc .Set (key ,val );};case *PdfObjectNull :if _abca !=nil {_debbc .Set (key ,val );};case *PdfObjectInteger :if _abca !=nil {_debbc .Set (key ,val );
};case *PdfObjectArray :if _abca !=nil {_debbc .Set (key ,val );};case *PdfObjectBool :if _abca !=nil {_debbc .Set (key ,val );};case *PdfObjectFloat :if _abca !=nil {_debbc .Set (key ,val );};case *PdfObjectReference :if _abca !=nil {_debbc .Set (key ,val );
};case *PdfIndirectObject :if _abca !=nil {_debbc .Set (key ,val );};default:_ecd .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 );
};};};

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

// 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 (_ede *LZWEncoder )EncodeBytes (data []byte )([]byte ,error ){if _ede .Predictor !=1{return nil ,_daa .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 _ede .EarlyChange ==1{return nil ,_daa .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 _ffeec _fb .Buffer ;_dgee :=_fd .NewWriter (&_ffeec ,_fd .MSB ,8);_dgee .Write (data );_dgee .Close ();return _ffeec .Bytes (),nil ;};

// GetPreviousRevisionReadSeeker returns ReadSeeker for the previous version of the Pdf document.
func (_daeb *PdfParser )GetPreviousRevisionReadSeeker ()(_ae .ReadSeeker ,error ){if _bbdf :=_daeb .seekToEOFMarker (_daeb ._defe -_cdcg );_bbdf !=nil {return nil ,_bbdf ;};_eagge ,_gfabe :=_daeb ._ccgbe .Seek (0,_ae .SeekCurrent );if _gfabe !=nil {return nil ,_gfabe ;
};_eagge +=_cdcg ;return _bafg (_daeb ._ccgbe ,_eagge );};

// HeaderCommentBytes gets the header comment bytes.
func (_fgfe ParserMetadata )HeaderCommentBytes ()[4]byte {return _fgfe ._aaeg };func _cfe (_cagb *PdfObjectStream ,_cgcb *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_aeca :=NewCCITTFaxEncoder ();_fgb :=_cagb .PdfObjectDictionary ;if _fgb ==nil {return _aeca ,nil ;
};if _cgcb ==nil {_bdag :=TraceToDirectObject (_fgb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _bdag !=nil {switch _faef :=_bdag .(type ){case *PdfObjectDictionary :_cgcb =_faef ;case *PdfObjectArray :if _faef .Len ()==1{if _dbad ,_bgae :=GetDict (_faef .Get (0));
_bgae {_cgcb =_dbad ;};};default:_ecd .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",_bdag );return nil ,_f .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
};};if _cgcb ==nil {_ecd .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",_bdag );return nil ,_f .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
};};if _aegfg ,_edccg :=GetNumberAsInt64 (_cgcb .Get ("\u004b"));_edccg ==nil {_aeca .K =int (_aegfg );};if _egea ,_bffacc :=GetNumberAsInt64 (_cgcb .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));_bffacc ==nil {_aeca .Columns =int (_egea );}else {_aeca .Columns =1728;
};if _bdda ,_afc :=GetNumberAsInt64 (_cgcb .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_afc ==nil {_aeca .BlackIs1 =_bdda > 0;}else {if _gaf ,_aege :=GetBoolVal (_cgcb .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_aege {_aeca .BlackIs1 =_gaf ;
}else {if _fcaae ,_edeg :=GetArray (_cgcb .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_edeg {_ddebf ,_ccbbe :=_fcaae .ToIntegerArray ();if _ccbbe ==nil {_aeca .BlackIs1 =_ddebf [0]==1&&_ddebf [1]==0;};};};};if _aedfc ,_dbaaf :=GetNumberAsInt64 (_cgcb .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_dbaaf ==nil {_aeca .EncodedByteAlign =_aedfc > 0;}else {if _edbd ,_gdc :=GetBoolVal (_cgcb .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_gdc {_aeca .EncodedByteAlign =_edbd ;};};if _bddb ,_ccgb :=GetNumberAsInt64 (_cgcb .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_ccgb ==nil {_aeca .EndOfLine =_bddb > 0;}else {if _eed ,_ffg :=GetBoolVal (_cgcb .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_ffg {_aeca .EndOfLine =_eed ;};};if _ecdcd ,_adcb :=GetNumberAsInt64 (_cgcb .Get ("\u0052\u006f\u0077\u0073"));_adcb ==nil {_aeca .Rows =int (_ecdcd );
};_aeca .EndOfBlock =true ;if _feb ,_egfe :=GetNumberAsInt64 (_cgcb .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_egfe ==nil {_aeca .EndOfBlock =_feb > 0;}else {if _eceg ,_cgeec :=GetBoolVal (_cgcb .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_cgeec {_aeca .EndOfBlock =_eceg ;};};if _eaea ,_cba :=GetNumberAsInt64 (_cgcb .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_cba !=nil {_aeca .DamagedRowsBeforeError =int (_eaea );
};_ecd .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_cgcb .String ());return _aeca ,nil ;};func (_aeda *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_aeda ._efdgc .ObjectMap =make (map[int ]XrefObject );
_aeda ._cafa =make (objectStreams );_egc ,_fceda :=_aeda ._ccgbe .Seek (0,_ae .SeekEnd );if _fceda !=nil {return nil ,_fceda ;};_ecd .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_egc );_aeda ._defe =_egc ;_fceda =_aeda .seekToEOFMarker (_egc );
if _fceda !=nil {_ecd .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",_fceda );return nil ,_fceda ;};_gaab ,_fceda :=_aeda ._ccgbe .Seek (0,_ae .SeekCurrent );
if _fceda !=nil {return nil ,_fceda ;};var _abgg int64 =64;_dbgd :=_gaab -_abgg ;if _dbgd < 0{_dbgd =0;};_ ,_fceda =_aeda ._ccgbe .Seek (_dbgd ,_ae .SeekStart );if _fceda !=nil {return nil ,_fceda ;};_adcfd :=make ([]byte ,_abgg );_ ,_fceda =_aeda ._ccgbe .Read (_adcfd );
if _fceda !=nil {_ecd .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",_fceda );
return nil ,_fceda ;};_bacb :=_begb .FindStringSubmatch (string (_adcfd ));if len (_bacb )< 2{_ecd .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 ,_f .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};if len (_bacb )> 2{_ecd .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",_adcfd );
return nil ,_f .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");};_cbbfc ,_ :=_bf .ParseInt (_bacb [1],10,64);_ecd .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_cbbfc );
if _cbbfc > _egc {_ecd .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");_ecd .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");
_cbbfc ,_fceda =_aeda .repairLocateXref ();if _fceda !=nil {_ecd .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 ,_fceda ;};};_aeda ._ccgbe .Seek (_cbbfc ,_ae .SeekStart );_aeda ._affd =_ga .NewReader (_aeda ._ccgbe );_eecf ,_fceda :=_aeda .parseXref ();if _fceda !=nil {return nil ,_fceda ;};_ccbg :=_eecf .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");
if _ccbg !=nil {_eagb ,_eabfb :=_ccbg .(*PdfObjectInteger );if !_eabfb {return nil ,_f .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_fceda =_aeda .parseXrefStream (_eagb );if _fceda !=nil {return nil ,_fceda ;
};};var _fbfa []int64 ;_ffeg :=func (_dfge int64 ,_fead []int64 )bool {for _ ,_badef :=range _fead {if _badef ==_dfge {return true ;};};return false ;};_ccbg =_eecf .Get ("\u0050\u0072\u0065\u0076");for _ccbg !=nil {_bcbea ,_ddec :=_ccbg .(*PdfObjectInteger );
if !_ddec {_ecd .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",_ccbg );
return _eecf ,nil ;};_aabc :=*_bcbea ;_ecd .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",_aabc );_aeda ._ccgbe .Seek (int64 (_aabc ),_ae .SeekStart );
_aeda ._affd =_ga .NewReader (_aeda ._ccgbe );_fbbg ,_fabe :=_aeda .parseXref ();if _fabe !=nil {_ecd .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");
_ecd .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 ;};_aeda ._abec =append (_aeda ._abec ,int64 (_aabc ));
_ccbg =_fbbg .Get ("\u0050\u0072\u0065\u0076");if _ccbg !=nil {_cgge :=*(_ccbg .(*PdfObjectInteger ));if _ffeg (int64 (_cgge ),_fbfa ){_ecd .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 ;};_fbfa =append (_fbfa ,int64 (_cgge ));};};return _eecf ,nil ;};func (_geacd *PdfParser )traceStreamLength (_ebcea PdfObject )(PdfObject ,error ){_cecc ,_efdga :=_ebcea .(*PdfObjectReference );if _efdga {_cbfae ,_cbfg :=_geacd ._ecegc [_cecc .ObjectNumber ];
if _cbfg &&_cbfae {_ecd .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 ,_f .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_geacd ._ecegc [_cecc .ObjectNumber ]=true ;};_bccb ,_gcg :=_geacd .Resolve (_ebcea );if _gcg !=nil {return nil ,_gcg ;
};_ecd .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_bccb );if _efdga {_geacd ._ecegc [_cecc .ObjectNumber ]=false ;};return _bccb ,nil ;};

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

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

// PdfObjectStream represents the primitive PDF Object stream.
type PdfObjectStream struct{PdfObjectReference ;*PdfObjectDictionary ;Stream []byte ;};

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

// GetStringBytes is like GetStringVal except that it returns the string as a []byte.
// It is for convenience.
func GetStringBytes (obj PdfObject )(_abegf []byte ,_gdec bool ){_caadd ,_gdec :=TraceToDirectObject (obj ).(*PdfObjectString );if _gdec {return _caadd .Bytes (),true ;};return ;};var _deba =_fc .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");


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

// Clear resets the array to an empty state.
func (_gdce *PdfObjectArray )Clear (){_gdce ._egacc =[]PdfObject {}};func (_ddag *offsetReader )Read (p []byte )(_aee int ,_cdab error ){return _ddag ._fgba .Read (p )};

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

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_cceg string ;_eecb bool ;};

// 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 ){_gdfa :=&PdfObjectStream {};if encoder ==nil {encoder =NewRawEncoder ();};_gdfa .PdfObjectDictionary =encoder .MakeStreamDict ();_dcbd ,_gdaec :=encoder .EncodeBytes (contents );
if _gdaec !=nil {return nil ,_gdaec ;};_gdfa .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_dcbd ))));_gdfa .Stream =_dcbd ;return _gdfa ,nil ;};func _agca (_eebd ,_agfd PdfObject ,_dbgf int )bool {if _dbgf > _cbab {_ecd .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",_cbab );
return false ;};if _eebd ==nil &&_agfd ==nil {return true ;}else if _eebd ==nil ||_agfd ==nil {return false ;};if _e .TypeOf (_eebd )!=_e .TypeOf (_agfd ){return false ;};switch _ffcg :=_eebd .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_ffcg ==*(_agfd .(*PdfObjectName ));case *PdfObjectString :return *_ffcg ==*(_agfd .(*PdfObjectString ));case *PdfObjectInteger :return *_ffcg ==*(_agfd .(*PdfObjectInteger ));case *PdfObjectBool :return *_ffcg ==*(_agfd .(*PdfObjectBool ));
case *PdfObjectFloat :return *_ffcg ==*(_agfd .(*PdfObjectFloat ));case *PdfIndirectObject :return _agca (TraceToDirectObject (_eebd ),TraceToDirectObject (_agfd ),_dbgf +1);case *PdfObjectArray :_fede :=_agfd .(*PdfObjectArray );if len ((*_ffcg )._egacc )!=len ((*_fede )._egacc ){return false ;
};for _bbcbf ,_aacbc :=range (*_ffcg )._egacc {if !_agca (_aacbc ,(*_fede )._egacc [_bbcbf ],_dbgf +1){return false ;};};return true ;case *PdfObjectDictionary :_geaed :=_agfd .(*PdfObjectDictionary );_eggg ,_bcgdb :=(*_ffcg )._dbce ,(*_geaed )._dbce ;
if len (_eggg )!=len (_bcgdb ){return false ;};for _febdc ,_face :=range _eggg {_degc ,_bbac :=_bcgdb [_febdc ];if !_bbac ||!_agca (_face ,_degc ,_dbgf +1){return false ;};};return true ;case *PdfObjectStream :_eeaa :=_agfd .(*PdfObjectStream );return _agca ((*_ffcg ).PdfObjectDictionary ,(*_eeaa ).PdfObjectDictionary ,_dbgf +1);
default:_ecd .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",_eebd );
};return false ;};func _fege (_ccgae PdfObject )(*float64 ,error ){switch _bbcga :=_ccgae .(type ){case *PdfObjectFloat :_faea :=float64 (*_bbcga );return &_faea ,nil ;case *PdfObjectInteger :_dddf :=float64 (*_bbcga );return &_dddf ,nil ;case *PdfObjectNull :return nil ,nil ;
};return nil ,ErrNotANumber ;};

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

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

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

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

// Height is the height of the image to encode.
Height int ;_gcdf *_cb .Document ;

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

// ReadBytesAt reads byte content at specific offset and length within the PDF.
func (_ffgg *PdfParser )ReadBytesAt (offset ,len int64 )([]byte ,error ){_eace :=_ffgg .GetFileOffset ();_ ,_ddbf :=_ffgg ._ccgbe .Seek (offset ,_ae .SeekStart );if _ddbf !=nil {return nil ,_ddbf ;};_cdcd :=make ([]byte ,len );_ ,_ddbf =_ae .ReadAtLeast (_ffgg ._ccgbe ,_cdcd ,int (len ));
if _ddbf !=nil {return nil ,_ddbf ;};_ffgg .SetFileOffset (_eace );return _cdcd ,nil ;};

// SetFileOffset sets the file to an offset position and resets buffer.
func (_adbd *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_adbd ._ccgbe .Seek (offset ,_ae .SeekStart );_adbd ._affd =_ga .NewReader (_adbd ._ccgbe );};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_fedf *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _fedf .Predictor !=1&&_fedf .Predictor !=11{_ecd .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 _fedf .Predictor ==11{_fce :=_fedf .Columns ;_fbbd :=len (data )/_fce ;if len (data )%_fce !=0{_ecd .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_f .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_ded :=_fb .NewBuffer (nil );_geb :=make ([]byte ,_fce );for _dgga :=0;_dgga < _fbbd ;_dgga ++{_ccd :=data [_fce *_dgga :_fce *(_dgga +1)];
_geb [0]=_ccd [0];for _ccge :=1;_ccge < _fce ;_ccge ++{_geb [_ccge ]=byte (int (_ccd [_ccge ]-_ccd [_ccge -1])%256);};_ded .WriteByte (1);_ded .Write (_geb );};data =_ded .Bytes ();};var _aedf _fb .Buffer ;_gcd :=_da .NewWriter (&_aedf );_gcd .Write (data );
_gcd .Close ();return _aedf .Bytes (),nil ;};

// GetFilterName returns the name of the encoding filter.
func (_ead *JBIG2Encoder )GetFilterName ()string {return StreamEncodingFilterNameJBIG2 };const (_gdfb =0;_gbe =1;_gcff =2;_fbegd =3;_fcc =4;);

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

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

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

// PdfVersion returns version of the PDF file.
func (_geagd *PdfParser )PdfVersion ()Version {return _geagd ._eddg };func (_gdddb *PdfParser )getNumbersOfUpdatedObjects (_aacc *PdfParser )([]int ,error ){if _aacc ==nil {return nil ,_f .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");
};_aeac :=_aacc ._defe ;_eecfb :=make ([]int ,0);_bfea :=make (map[int ]interface{});_egfeg :=make (map[int ]int64 );for _gdga ,_ffecg :=range _gdddb ._efdgc .ObjectMap {if _ffecg .Offset ==0{if _ffecg .OsObjNumber !=0{if _eeffd ,_eeea :=_gdddb ._efdgc .ObjectMap [_ffecg .OsObjNumber ];
_eeea {_bfea [_ffecg .OsObjNumber ]=struct{}{};_egfeg [_gdga ]=_eeffd .Offset ;}else {return nil ,_f .New ("u\u006ed\u0065\u0066\u0069\u006e\u0065\u0064\u0020\u0078r\u0065\u0066\u0020\u0074ab\u006c\u0065");};};}else {_egfeg [_gdga ]=_ffecg .Offset ;};};
for _agdgae ,_eaga :=range _egfeg {if _ ,_dbgc :=_bfea [_agdgae ];_dbgc {continue ;};if _eaga > _aeac {_eecfb =append (_eecfb ,_agdgae );};};return _eecfb ,nil ;};

// EncodeBytes ASCII encodes the passed in slice of bytes.
func (_geead *ASCIIHexEncoder )EncodeBytes (data []byte )([]byte ,error ){var _efab _fb .Buffer ;for _ ,_eeb :=range data {_efab .WriteString (_daa .Sprintf ("\u0025\u002e\u0032X\u0020",_eeb ));};_efab .WriteByte ('>');return _efab .Bytes (),nil ;};func (_daca *PdfParser )resolveReference (_bbff *PdfObjectReference )(PdfObject ,bool ,error ){_bgdcf ,_ffcf :=_daca .ObjCache [int (_bbff .ObjectNumber )];
if _ffcf {return _bgdcf ,true ,nil ;};_bbcf ,_caa :=_daca .LookupByReference (*_bbff );if _caa !=nil {return nil ,false ,_caa ;};_daca .ObjCache [int (_bbff .ObjectNumber )]=_bbcf ;return _bbcf ,false ,nil ;};

// UpdateParams updates the parameter values of the encoder.
func (_fbbe *DCTEncoder )UpdateParams (params *PdfObjectDictionary ){_fcca ,_accgd :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));if _accgd ==nil {_fbbe .ColorComponents =int (_fcca );
};_fea ,_accgd :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));if _accgd ==nil {_fbbe .BitsPerComponent =int (_fea );};_fced ,_accgd :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));
if _accgd ==nil {_fbbe .Width =int (_fced );};_efaf ,_accgd :=GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));if _accgd ==nil {_fbbe .Height =int (_efaf );};_bdbc ,_accgd :=GetNumberAsInt64 (params .Get ("\u0051u\u0061\u006c\u0069\u0074\u0079"));
if _accgd ==nil {_fbbe .Quality =int (_bdbc );};_acdb ,_dgda :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));if _dgda {_fbbe .Decode ,_accgd =_acdb .ToFloat64Array ();if _accgd !=nil {_ecd .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",_accgd );
};};};type limitedReadSeeker struct{_fbge _ae .ReadSeeker ;_bfgb int64 ;};

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

// Validate validates the page settings for the JBIG2 encoder.
func (_gafgf JBIG2EncoderSettings )Validate ()error {const _beedb ="\u0076a\u006ci\u0064\u0061\u0074\u0065\u0045\u006e\u0063\u006f\u0064\u0065\u0072";if _gafgf .Threshold < 0||_gafgf .Threshold > 1.0{return _cd .Errorf (_beedb ,"\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",_gafgf .Threshold );
};if _gafgf .ResolutionX < 0{return _cd .Errorf (_beedb ,"\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",_gafgf .ResolutionX );
};if _gafgf .ResolutionY < 0{return _cd .Errorf (_beedb ,"\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",_gafgf .ResolutionY );
};if _gafgf .DefaultPixelValue !=0&&_gafgf .DefaultPixelValue !=1{return _cd .Errorf (_beedb ,"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}",_gafgf .DefaultPixelValue );
};if _gafgf .Compression !=JB2Generic {return _cd .Errorf (_beedb ,"\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 DCT encoded stream and returns the result as a
// slice of bytes.
func (_fbed *DCTEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _fbed .DecodeBytes (streamObj .Stream );};

// 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 (_eeffa *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _bfdaf _fcf .Gray ;switch len (data ){case _eeffa .Rows *_eeffa .Columns :_ddcc ,_gaa :=_fcf .NewImage (_eeffa .Columns ,_eeffa .Rows ,8,1,data ,nil ,nil );if _gaa !=nil {return nil ,_gaa ;
};_bfdaf =_ddcc .(_fcf .Gray );case (_eeffa .Columns *_eeffa .Rows )+7>>3:_gaba ,_ddbe :=_fcf .NewImage (_eeffa .Columns ,_eeffa .Rows ,1,1,data ,nil ,nil );if _ddbe !=nil {return nil ,_ddbe ;};_abeg :=_gaba .(*_fcf .Monochrome );if _ddbe =_abeg .AddPadding ();
_ddbe !=nil {return nil ,_ddbe ;};_bfdaf =_abeg ;default:if len (data )< _fcf .BytesPerLine (_eeffa .Columns ,1,1)*_eeffa .Rows {return nil ,_f .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_eabe ,_fcbe :=_fcf .NewImage (_eeffa .Columns ,_eeffa .Rows ,1,1,data ,nil ,nil );if _fcbe !=nil {return nil ,_fcbe ;};_cacfe :=_eabe .(*_fcf .Monochrome );_bfdaf =_cacfe ;};_gbac :=make ([][]byte ,_eeffa .Rows );for _dgge :=0;_dgge < _eeffa .Rows ;
_dgge ++{_cecab :=make ([]byte ,_eeffa .Columns );for _ecgg :=0;_ecgg < _eeffa .Columns ;_ecgg ++{_adca :=_bfdaf .GrayAt (_ecgg ,_dgge );_cecab [_ecgg ]=_adca .Y >>7;};_gbac [_dgge ]=_cecab ;};_fggd :=&_cf .Encoder {K :_eeffa .K ,Columns :_eeffa .Columns ,EndOfLine :_eeffa .EndOfLine ,EndOfBlock :_eeffa .EndOfBlock ,BlackIs1 :_eeffa .BlackIs1 ,DamagedRowsBeforeError :_eeffa .DamagedRowsBeforeError ,Rows :_eeffa .Rows ,EncodedByteAlign :_eeffa .EncodedByteAlign };
return _fggd .Encode (_gbac ),nil ;};

// 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 (_fgcb *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_dagc :=n ;_aeab :=0;_ggbfc :=0;for _dagc > 0{_fdde ,_dceb :=_fgcb ._affd .Read (p [_aeab :]);if _dceb !=nil {_ecd .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",_fdde ,_ggbfc ,_dceb .Error ());
return _aeab ,_f .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_ggbfc ++;_aeab +=_fdde ;_dagc -=_fdde ;};return _aeab ,nil ;};

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_gfdgd *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_gfdgd ._gaae .Lock ();defer _gfdgd ._gaae .Unlock ();_fcgd ,_eggbg :=_gfdgd ._dbce [key ];if !_eggbg {return nil ;};return _fcgd ;};

// Clear resets the dictionary to an empty state.
func (_agbcc *PdfObjectDictionary )Clear (){_agbcc ._aeea =[]PdfObjectName {};_agbcc ._dbce =map[PdfObjectName ]PdfObject {};_agbcc ._gaae =&_d .Mutex {};};var (ErrUnsupportedEncodingParameters =_f .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 =_f .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 =_f .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 =_f .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 =_f .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_f .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_f .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_aae .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 =_f .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);func (_bbe *PdfParser )parseDetailedHeader ()(_fcb error ){_bbe ._ccgbe .Seek (0,_ae .SeekStart );_bbe ._affd =_ga .NewReader (_bbe ._ccgbe );_edde :=20;_gcef :=make ([]byte ,_edde );var (_ccg bool ;_dggg int ;);for {_ecea ,_gfcc :=_bbe ._affd .ReadByte ();
if _gfcc !=nil {if _gfcc ==_ae .EOF {break ;}else {return _gfcc ;};};if IsDecimalDigit (_ecea )&&_gcef [_edde -1]=='.'&&IsDecimalDigit (_gcef [_edde -2])&&_gcef [_edde -3]=='-'&&_gcef [_edde -4]=='F'&&_gcef [_edde -5]=='D'&&_gcef [_edde -6]=='P'&&_gcef [_edde -7]=='%'{_bbe ._eddg =Version {Major :int (_gcef [_edde -2]-'0'),Minor :int (_ecea -'0')};
_bbe ._bcdc ._dcge =_dggg -7;_ccg =true ;break ;};_dggg ++;_gcef =append (_gcef [1:_edde ],_ecea );};if !_ccg {return _daa .Errorf ("n\u006f \u0066\u0069\u006c\u0065\u0020\u0068\u0065\u0061d\u0065\u0072\u0020\u0066ou\u006e\u0064");};_fbgf ,_fcb :=_bbe ._affd .ReadByte ();
if _fcb ==_ae .EOF {return _daa .Errorf ("\u006eo\u0074\u0020\u0061\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0050d\u0066\u0020\u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074");};if _fcb !=nil {return _fcb ;};_bbe ._bcdc ._aceg =_fbgf =='\n';_fbgf ,_fcb =_bbe ._affd .ReadByte ();
if _fcb !=nil {return _daa .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",_fcb );};if _fbgf !='%'{return nil ;};_afg :=make ([]byte ,4);_ ,_fcb =_bbe ._affd .Read (_afg );
if _fcb !=nil {return _daa .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",_fcb );};_bbe ._bcdc ._aaeg =[4]byte {_afg [0],_afg [1],_afg [2],_afg [3]};
return nil ;};

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

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

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

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_aadd *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _fffbg []byte ;_ecd .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_gedb :=0;_dfcg :=false ;for _gedb < len (encoded )&&!_dfcg {_bddd :=[5]byte {0,0,0,0,0};
_gaeb :=0;_gfad :=0;_bde :=4;for _gfad < 5+_gaeb {if _gedb +_gfad ==len (encoded ){break ;};_bgcd :=encoded [_gedb +_gfad ];if IsWhiteSpace (_bgcd ){_gaeb ++;_gfad ++;continue ;}else if _bgcd =='~'&&_gedb +_gfad +1< len (encoded )&&encoded [_gedb +_gfad +1]=='>'{_bde =(_gfad -_gaeb )-1;
if _bde < 0{_bde =0;};_dfcg =true ;break ;}else if _bgcd >='!'&&_bgcd <='u'{_bgcd -='!';}else if _bgcd =='z'&&_gfad -_gaeb ==0{_bde =4;_gfad ++;break ;}else {_ecd .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 ,_f .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_bddd [_gfad -_gaeb ]=_bgcd ;_gfad ++;};_gedb +=_gfad ;for _bfda :=_bde +1;_bfda < 5;_bfda ++{_bddd [_bfda ]=84;
};_ebcg :=uint32 (_bddd [0])*85*85*85*85+uint32 (_bddd [1])*85*85*85+uint32 (_bddd [2])*85*85+uint32 (_bddd [3])*85+uint32 (_bddd [4]);_beec :=[]byte {byte ((_ebcg >>24)&0xff),byte ((_ebcg >>16)&0xff),byte ((_ebcg >>8)&0xff),byte (_ebcg &0xff)};_fffbg =append (_fffbg ,_beec [:_bde ]...);
};_ecd .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_ecd .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_fffbg );
return _fffbg ,nil ;};

// GetPreviousRevisionParser returns PdfParser for the previous version of the Pdf document.
func (_cgcg *PdfParser )GetPreviousRevisionParser ()(*PdfParser ,error ){if _cgcg ._eecd ==0{return nil ,_f .New ("\u0074\u0068\u0069\u0073 i\u0073\u0020\u0066\u0069\u0072\u0073\u0074\u0020\u0072\u0065\u0076\u0069\u0073\u0069o\u006e");};if _cacb ,_ccde :=_cgcg ._fcedf [_cgcg ];
_ccde {return _cacb ,nil ;};_fdad ,_fdfg :=_cgcg .GetPreviousRevisionReadSeeker ();if _fdfg !=nil {return nil ,_fdfg ;};_gaagd ,_fdfg :=NewParser (_fdad );_gaagd ._fcedf =_cgcg ._fcedf ;if _fdfg !=nil {return nil ,_fdfg ;};_cgcg ._fcedf [_cgcg ]=_gaagd ;
return _gaagd ,nil ;};

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

// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_dgb encryptDict ;_af _fg .StdEncryptDict ;_gda string ;_fedc []byte ;_cgb map[PdfObject ]bool ;_ggf map[PdfObject ]bool ;_bag bool ;_bgbe cryptFilters ;_gfd string ;_ffd string ;_ebec *PdfParser ;_abf map[int ]struct{};};

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

// MakeFloat creates an PdfObjectFloat from a float64.
func MakeFloat (val float64 )*PdfObjectFloat {_bbfc :=PdfObjectFloat (val );return &_bbfc };func (_dggba *PdfParser )parseArray ()(*PdfObjectArray ,error ){_ccgg :=MakeArray ();_dggba ._affd .ReadByte ();for {_dggba .skipSpaces ();_daga ,_agda :=_dggba ._affd .Peek (1);
if _agda !=nil {return _ccgg ,_agda ;};if _daga [0]==']'{_dggba ._affd .ReadByte ();break ;};_ceee ,_agda :=_dggba .parseObject ();if _agda !=nil {return _ccgg ,_agda ;};_ccgg .Append (_ceee );};return _ccgg ,nil ;};

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

// 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 _bcea (_afad int )int {if _afad < 0{return -_afad ;};return _afad ;};func _dbc (_eec *_fg .StdEncryptDict ,_dffd *PdfObjectDictionary ){_dffd .Set ("\u0052",MakeInteger (int64 (_eec .R )));
_dffd .Set ("\u0050",MakeInteger (int64 (_eec .P )));_dffd .Set ("\u004f",MakeStringFromBytes (_eec .O ));_dffd .Set ("\u0055",MakeStringFromBytes (_eec .U ));if _eec .R >=5{_dffd .Set ("\u004f\u0045",MakeStringFromBytes (_eec .OE ));_dffd .Set ("\u0055\u0045",MakeStringFromBytes (_eec .UE ));
_dffd .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_eec .EncryptMetadata ));if _eec .R > 5{_dffd .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_eec .Perms ));};};};

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

// DecodeStream decodes the stream data and returns the decoded data.
// An error is returned upon failure.
func DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_ecd .Log .Trace ("\u0044\u0065\u0063\u006f\u0064\u0065\u0020\u0073\u0074\u0072\u0065\u0061\u006d");_ebee ,_efgd :=NewEncoderFromStream (streamObj );if _efgd !=nil {_ecd .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",_efgd );
return nil ,_efgd ;};_ecd .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u0023\u0076\u000a",_ebee );_cfbbe ,_efgd :=_ebee .DecodeStream (streamObj );if _efgd !=nil {_ecd .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",_efgd );
return nil ,_efgd ;};return _cfbbe ,nil ;};func (_gdde *ASCII85Encoder )base256Tobase85 (_egbd uint32 )[5]byte {_aegg :=[5]byte {0,0,0,0,0};_gefd :=_egbd ;for _dacg :=0;_dacg < 5;_dacg ++{_caceb :=uint32 (1);for _bgag :=0;_bgag < 4-_dacg ;_bgag ++{_caceb *=85;
};_ggc :=_gefd /_caceb ;_gefd =_gefd %_caceb ;_aegg [_dacg ]=byte (_ggc );};return _aegg ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_edgf *CCITTFaxEncoder )MakeDecodeParams ()PdfObject {_gfbe :=MakeDict ();_gfbe .Set ("\u004b",MakeInteger (int64 (_edgf .K )));_gfbe .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_edgf .Columns )));if _edgf .BlackIs1 {_gfbe .Set ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031",MakeBool (_edgf .BlackIs1 ));
};if _edgf .EncodedByteAlign {_gfbe .Set ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e",MakeBool (_edgf .EncodedByteAlign ));};if _edgf .EndOfLine &&_edgf .K >=0{_gfbe .Set ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee",MakeBool (_edgf .EndOfLine ));
};if _edgf .Rows !=0&&!_edgf .EndOfBlock {_gfbe .Set ("\u0052\u006f\u0077\u0073",MakeInteger (int64 (_edgf .Rows )));};if !_edgf .EndOfBlock {_gfbe .Set ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b",MakeBool (_edgf .EndOfBlock ));};if _edgf .DamagedRowsBeforeError !=0{_gfbe .Set ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072",MakeInteger (int64 (_edgf .DamagedRowsBeforeError )));
};return _gfbe ;};type offsetReader struct{_fgba _ae .ReadSeeker ;_febb int64 ;};func (_cfc *PdfCrypt )encryptBytes (_fca []byte ,_bebf string ,_cagd []byte )([]byte ,error ){_ecd .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_abd ,_fbg :=_cfc ._bgbe [_bebf ];if !_fbg {return nil ,_daa .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_bebf );};return _abd .EncryptBytes (_fca ,_cagd );};

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_gaag *PdfParser )GetFileOffset ()int64 {_dbef ,_ :=_gaag ._ccgbe .Seek (0,_ae .SeekCurrent );_dbef -=int64 (_gaag ._affd .Buffered ());return _dbef ;};

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

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

// MakeArray creates an PdfObjectArray from a list of PdfObjects.
func MakeArray (objects ...PdfObject )*PdfObjectArray {return &PdfObjectArray {_egacc :objects }};func (_dabc *PdfCrypt )securityHandler ()_fg .StdHandler {if _dabc ._af .R >=5{return _fg .NewHandlerR6 ();};return _fg .NewHandlerR4 (_dabc ._gda ,_dabc ._dgb .Length );
};type encryptDict struct{Filter string ;V int ;SubFilter string ;Length int ;StmF string ;StrF string ;EFF string ;CF map[string ]_bc .FilterDict ;};

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

// NewJBIG2Encoder creates a new JBIG2Encoder.
func NewJBIG2Encoder ()*JBIG2Encoder {return &JBIG2Encoder {_gcdf :_cb .InitEncodeDocument (false )}};func _gbae (_gff *PdfObjectStream )(*MultiEncoder ,error ){_gbfa :=NewMultiEncoder ();_dgfad :=_gff .PdfObjectDictionary ;if _dgfad ==nil {return _gbfa ,nil ;
};var _dfca *PdfObjectDictionary ;var _fefe []PdfObject ;_aced :=_dgfad .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _aced !=nil {_eeaf ,_bcab :=_aced .(*PdfObjectDictionary );if _bcab {_dfca =_eeaf ;};_efbc ,_accc :=_aced .(*PdfObjectArray );
if _accc {for _ ,_gabe :=range _efbc .Elements (){_gabe =TraceToDirectObject (_gabe );if _debd ,_beg :=_gabe .(*PdfObjectDictionary );_beg {_fefe =append (_fefe ,_debd );}else {_fefe =append (_fefe ,MakeDict ());};};};};_aced =_dgfad .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");
if _aced ==nil {return nil ,_daa .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");};_feee ,_aafe :=_aced .(*PdfObjectArray );if !_aafe {return nil ,_daa .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 _eccd ,_gdge :=range _feee .Elements (){_defc ,_babb :=_gdge .(*PdfObjectName );if !_babb {return nil ,_daa .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 _gfbd PdfObject ;if _dfca !=nil {_gfbd =_dfca ;}else {if len (_fefe )> 0{if _eccd >=len (_fefe ){return nil ,_daa .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");
};_gfbd =_fefe [_eccd ];};};var _ddea *PdfObjectDictionary ;if _cceb ,_cbac :=_gfbd .(*PdfObjectDictionary );_cbac {_ddea =_cceb ;};_ecd .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",*_defc ,_gfbd ,_ddea );
if *_defc ==StreamEncodingFilterNameFlate {_ecfe ,_cefb :=_dfg (_gff ,_ddea );if _cefb !=nil {return nil ,_cefb ;};_gbfa .AddEncoder (_ecfe );}else if *_defc ==StreamEncodingFilterNameLZW {_gfgfe ,_abbg :=_dacdg (_gff ,_ddea );if _abbg !=nil {return nil ,_abbg ;
};_gbfa .AddEncoder (_gfgfe );}else if *_defc ==StreamEncodingFilterNameASCIIHex {_eeagd :=NewASCIIHexEncoder ();_gbfa .AddEncoder (_eeagd );}else if *_defc ==StreamEncodingFilterNameASCII85 {_age :=NewASCII85Encoder ();_gbfa .AddEncoder (_age );}else if *_defc ==StreamEncodingFilterNameDCT {_gafg ,_fagad :=_efea (_gff ,_gbfa );
if _fagad !=nil {return nil ,_fagad ;};_gbfa .AddEncoder (_gafg );_ecd .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_ecd .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_gbfa );
}else if *_defc ==StreamEncodingFilterNameCCITTFax {_acbe ,_eafe :=_cfe (_gff ,_ddea );if _eafe !=nil {return nil ,_eafe ;};_gbfa .AddEncoder (_acbe );}else {_ecd .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_defc );
return nil ,_daa .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 _gbfa ,nil ;};

// PdfObjectStreams represents the primitive PDF object streams.
// 7.5.7 Object Streams (page 45).
type PdfObjectStreams struct{PdfObjectReference ;_gedag []PdfObject ;};func (_bg *PdfParser )lookupObjectViaOS (_agc int ,_daab int )(PdfObject ,error ){var _eg *_fb .Reader ;var _ecf objectStream ;var _ebe bool ;_ecf ,_ebe =_bg ._cafa [_agc ];if !_ebe {_dd ,_adg :=_bg .LookupByNumber (_agc );
if _adg !=nil {_ecd .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",_agc );return nil ,_adg ;};_gg ,_dfd :=_dd .(*PdfObjectStream );
if !_dfd {return nil ,_f .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _bg ._geaef !=nil &&!_bg ._geaef .isDecrypted (_gg ){return nil ,_f .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");
};_gc :=_gg .PdfObjectDictionary ;_ecd .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_gc .String ());_gd ,_dfd :=_gc .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_dfd {_ecd .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 ,_f .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 _c .ToLower (string (*_gd ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_ecd .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 ,_f .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 ,_dfd :=_gc .Get ("\u004e").(*PdfObjectInteger );if !_dfd {return nil ,_f .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");
};_ab ,_dfd :=_gc .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_dfd {return nil ,_f .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");
};_ecd .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",_gd ,*N );_ed ,_adg :=DecodeStream (_gg );if _adg !=nil {return nil ,_adg ;
};_ecd .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_ed );_gb :=_bg .GetFileOffset ();defer func (){_bg .SetFileOffset (_gb )}();_eg =_fb .NewReader (_ed );_bg ._affd =_ga .NewReader (_eg );_ecd .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_egd :=map[int ]int64 {};for _ff :=0;_ff < int (*N );_ff ++{_bg .skipSpaces ();_gbf ,_bbc :=_bg .parseNumber ();if _bbc !=nil {return nil ,_bbc ;};_gbb ,_ebeb :=_gbf .(*PdfObjectInteger );if !_ebeb {return nil ,_f .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");
};_bg .skipSpaces ();_gbf ,_bbc =_bg .parseNumber ();if _bbc !=nil {return nil ,_bbc ;};_dda ,_ebeb :=_gbf .(*PdfObjectInteger );if !_ebeb {return nil ,_f .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");
};_ecd .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_gbb ,*_dda );_egd [int (*_gbb )]=int64 (*_ab +*_dda );};_ecf =objectStream {N :int (*N ),_ad :_ed ,_bb :_egd };_bg ._cafa [_agc ]=_ecf ;}else {_aad :=_bg .GetFileOffset ();
defer func (){_bg .SetFileOffset (_aad )}();_eg =_fb .NewReader (_ecf ._ad );_bg ._affd =_ga .NewReader (_eg );};_deg :=_ecf ._bb [_daab ];_ecd .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_daab ,_deg );
_eg .Seek (_deg ,_ae .SeekStart );_bg ._affd =_ga .NewReader (_eg );_be ,_ :=_bg ._affd .Peek (100);_ecd .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_be ));_cec ,_dab :=_bg .parseObject ();if _dab !=nil {_ecd .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",_dab );
return nil ,_dab ;};if _cec ==nil {return nil ,_f .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");};_fga :=PdfIndirectObject {};_fga .ObjectNumber =int64 (_daab );_fga .PdfObject =_cec ;_fga ._ceda =_bg ;
return &_fga ,nil ;};func _fa (_edcc PdfObject )(int64 ,int64 ,error ){if _bee ,_ceb :=_edcc .(*PdfIndirectObject );_ceb {return _bee .ObjectNumber ,_bee .GenerationNumber ,nil ;};if _ebg ,_aaea :=_edcc .(*PdfObjectStream );_aaea {return _ebg .ObjectNumber ,_ebg .GenerationNumber ,nil ;
};return 0,0,_f .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");};

// ParserMetadata is the parser based metadata information about document.
// The data here could be used on document verification.
type ParserMetadata struct{_dcge int ;_aceg bool ;_aaeg [4]byte ;_bgg bool ;_abb bool ;_gagg bool ;_agd bool ;_fefa bool ;_bad bool ;};var _gddeb =_fc .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");


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

// 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 _edcg (o ,0,traversed );};

// 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 (_dbbc *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _dbbc .isDecrypted (obj ){return nil ;};switch _caf :=obj .(type ){case *PdfIndirectObject :_dbbc ._cgb [_caf ]=true ;_ecd .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",_caf .ObjectNumber ,_caf .GenerationNumber );
_cda :=_caf .ObjectNumber ;_cbe :=_caf .GenerationNumber ;_ebcc :=_dbbc .Decrypt (_caf .PdfObject ,_cda ,_cbe );if _ebcc !=nil {return _ebcc ;};return nil ;case *PdfObjectStream :_dbbc ._cgb [_caf ]=true ;_gae :=_caf .PdfObjectDictionary ;if _dbbc ._af .R !=5{if _dege ,_eab :=_gae .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_eab &&*_dege =="\u0058\u0052\u0065\u0066"{return nil ;};};_bcfe :=_caf .ObjectNumber ;_ddc :=_caf .GenerationNumber ;_ecd .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_bcfe ,_ddc );
_dccc :=_dbb ;if _dbbc ._dgb .V >=4{_dccc =_dbbc ._gfd ;_ecd .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_dbbc ._gfd );if _cgad ,_afd :=_gae .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_afd {if _efdd ,_dcdf :=GetName (_cgad .Get (0));_dcdf {if *_efdd =="\u0043\u0072\u0079p\u0074"{_dccc ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _dgg ,_bcag :=_gae .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_bcag {if _gcf ,_agg :=_dgg .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_agg {if _ ,_cabg :=_dbbc ._bgbe [string (*_gcf )];_cabg {_ecd .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_gcf );
_dccc =string (*_gcf );};};};};};};_ecd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_dccc );if _dccc =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_cdcc :=_dbbc .Decrypt (_gae ,_bcfe ,_ddc );
if _cdcc !=nil {return _cdcc ;};_adcd ,_cdcc :=_dbbc .makeKey (_dccc ,uint32 (_bcfe ),uint32 (_ddc ),_dbbc ._fedc );if _cdcc !=nil {return _cdcc ;};_caf .Stream ,_cdcc =_dbbc .decryptBytes (_caf .Stream ,_dccc ,_adcd );if _cdcc !=nil {return _cdcc ;};_gae .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_caf .Stream ))));
return nil ;case *PdfObjectString :_ecd .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_ebfe :=_dbb ;if _dbbc ._dgb .V >=4{_ecd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_dbbc ._ffd );
if _dbbc ._ffd =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_ebfe =_dbbc ._ffd ;};_bged ,_cbb :=_dbbc .makeKey (_ebfe ,uint32 (parentObjNum ),uint32 (parentGenNum ),_dbbc ._fedc );if _cbb !=nil {return _cbb ;};_gdf :=_caf .Str ();
_bbd :=make ([]byte ,len (_gdf ));for _cbg :=0;_cbg < len (_gdf );_cbg ++{_bbd [_cbg ]=_gdf [_cbg ];};if len (_bbd )> 0{_ecd .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_bbd ,_bbd );
_bbd ,_cbb =_dbbc .decryptBytes (_bbd ,_ebfe ,_bged );if _cbb !=nil {return _cbb ;};};_caf ._cceg =string (_bbd );return nil ;case *PdfObjectArray :for _ ,_ebed :=range _caf .Elements (){_cea :=_dbbc .Decrypt (_ebed ,parentObjNum ,parentGenNum );if _cea !=nil {return _cea ;
};};return nil ;case *PdfObjectDictionary :_ddb :=false ;if _ecbb :=_caf .Get ("\u0054\u0079\u0070\u0065");_ecbb !=nil {_efga ,_acee :=_ecbb .(*PdfObjectName );if _acee &&*_efga =="\u0053\u0069\u0067"{_ddb =true ;};};for _ ,_eee :=range _caf .Keys (){_bffb :=_caf .Get (_eee );
if _ddb &&string (_eee )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_eee )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_eee )!="\u0050\u0072\u0065\u0076"&&string (_eee )!="\u004c\u0061\u0073\u0074"{_faff :=_dbbc .Decrypt (_bffb ,parentObjNum ,parentGenNum );
if _faff !=nil {return _faff ;};};};return nil ;};return nil ;};

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

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

// 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 )(_bdac *PdfObjectArray ,_fffac bool ){_bdac ,_fffac =TraceToDirectObject (obj ).(*PdfObjectArray );return _bdac ,_fffac ;};

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

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

// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_aaef *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _bffa _fb .Buffer ;_gac :=_fb .NewReader (encoded );var _ffaa _ae .ReadCloser ;if _aaef .EarlyChange ==1{_ffaa =_daf .NewReader (_gac ,_daf .MSB ,8);}else {_ffaa =_fd .NewReader (_gac ,_fd .MSB ,8);
};defer _ffaa .Close ();if _ ,_dccf :=_bffa .ReadFrom (_ffaa );_dccf !=nil {if _dccf !=_ae .ErrUnexpectedEOF ||_bffa .Len ()==0{return nil ,_dccf ;};_ecd .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",_dccf );
};return _bffa .Bytes (),nil ;};

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

// Resolve resolves the reference and returns the indirect or stream object.
// If the reference cannot be resolved, a *PdfObjectNull object is returned.
func (_adeeb *PdfObjectReference )Resolve ()PdfObject {if _adeeb ._ceda ==nil {return MakeNull ();};_babg ,_ ,_afdd :=_adeeb ._ceda .resolveReference (_adeeb );if _afdd !=nil {_ecd .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",_afdd );
return MakeNull ();};if _babg ==nil {_ecd .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 _babg ;};func _ceca (_ega *_fg .StdEncryptDict ,_degd *PdfObjectDictionary )error {R ,_egf :=_degd .Get ("\u0052").(*PdfObjectInteger );if !_egf {return _f .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 _daa .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0052 \u0028\u0025\u0064\u0029",*R );};_ega .R =int (*R );O ,_egf :=_degd .GetString ("\u004f");if !_egf {return _f .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 _ega .R ==5||_ega .R ==6{if len (O )< 48{return _daa .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 _daa .Errorf ("L\u0065n\u0067\u0074\u0068\u0028\u004f\u0029\u0020\u0021=\u0020\u0033\u0032\u0020(%\u0064\u0029",len (O ));
};_ega .O =[]byte (O );U ,_egf :=_degd .GetString ("\u0055");if !_egf {return _f .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 _ega .R ==5||_ega .R ==6{if len (U )< 48{return _daa .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{_ecd .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 ));};_ega .U =[]byte (U );if _ega .R >=5{OE ,_fad :=_degd .GetString ("\u004f\u0045");
if !_fad {return _f .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 _daa .Errorf ("L\u0065\u006e\u0067\u0074h(\u004fE\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (OE ));
};_ega .OE =[]byte (OE );UE ,_fad :=_degd .GetString ("\u0055\u0045");if !_fad {return _f .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 _daa .Errorf ("L\u0065\u006e\u0067\u0074h(\u0055E\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (UE ));};_ega .UE =[]byte (UE );};P ,_egf :=_degd .Get ("\u0050").(*PdfObjectInteger );if !_egf {return _f .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");
};_ega .P =_fg .Permissions (*P );if _ega .R ==6{Perms ,_ecff :=_degd .GetString ("\u0050\u0065\u0072m\u0073");if !_ecff {return _f .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 _daa .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 ));};_ega .Perms =[]byte (Perms );};if _fdg ,_dacda :=_degd .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_dacda {_ega .EncryptMetadata =bool (*_fdg );}else {_ega .EncryptMetadata =true ;};return nil ;};

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

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _bc .Filter ,userPass ,ownerPass []byte ,perm _fg .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_dff :=&PdfCrypt {_ggf :make (map[PdfObject ]bool ),_bgbe :make (cryptFilters ),_af :_fg .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _ccf Version ;if cf !=nil {_edf :=cf .PDFVersion ();_ccf .Major ,_ccf .Minor =_edf [0],_edf [1];V ,R :=cf .HandlerVersion ();_dff ._dgb .V =V ;_dff ._af .R =R ;_dff ._dgb .Length =cf .KeyLength ()*8;};const (_gf =_dbb ;);_dff ._bgbe [_gf ]=cf ;if _dff ._dgb .V >=4{_dff ._gfd =_gf ;
_dff ._ffd =_gf ;};_cfb :=_dff .newEncryptDict ();_baf :=_fe .Sum ([]byte (_g .Now ().Format (_g .RFC850 )));_ggg :=string (_baf [:]);_eged :=make ([]byte ,100);_aa .Read (_eged );_baf =_fe .Sum (_eged );_cdf :=string (_baf [:]);_ecd .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_eged );
_ecd .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_ggg );_dff ._gda =_ggg ;_bcac :=_dff .generateParams (userPass ,ownerPass );if _bcac !=nil {return nil ,nil ,_bcac ;};_dbc (&_dff ._af ,_cfb );if _dff ._dgb .V >=4{if _ca :=_dff .saveCryptFilters (_cfb );
_ca !=nil {return nil ,nil ,_ca ;};};return _dff ,&EncryptInfo {Version :_ccf ,Encrypt :_cfb ,ID0 :_ggg ,ID1 :_cdf },nil ;};func (_badb *PdfParser )parseString ()(*PdfObjectString ,error ){_badb ._affd .ReadByte ();var _fdgfag _fb .Buffer ;_agfaa :=1;for {_ecbe ,_ebcgg :=_badb ._affd .Peek (1);
if _ebcgg !=nil {return MakeString (_fdgfag .String ()),_ebcgg ;};if _ecbe [0]=='\\'{_badb ._affd .ReadByte ();_cfcc ,_babc :=_badb ._affd .ReadByte ();if _babc !=nil {return MakeString (_fdgfag .String ()),_babc ;};if IsOctalDigit (_cfcc ){_bfbg ,_bede :=_badb ._affd .Peek (2);
if _bede !=nil {return MakeString (_fdgfag .String ()),_bede ;};var _fged []byte ;_fged =append (_fged ,_cfcc );for _ ,_dfcac :=range _bfbg {if IsOctalDigit (_dfcac ){_fged =append (_fged ,_dfcac );}else {break ;};};_badb ._affd .Discard (len (_fged )-1);
_ecd .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_fged );_dcaa ,_bede :=_bf .ParseUint (string (_fged ),8,32);if _bede !=nil {return MakeString (_fdgfag .String ()),_bede ;};_fdgfag .WriteByte (byte (_dcaa ));
continue ;};switch _cfcc {case 'n':_fdgfag .WriteRune ('\n');case 'r':_fdgfag .WriteRune ('\r');case 't':_fdgfag .WriteRune ('\t');case 'b':_fdgfag .WriteRune ('\b');case 'f':_fdgfag .WriteRune ('\f');case '(':_fdgfag .WriteRune ('(');case ')':_fdgfag .WriteRune (')');
case '\\':_fdgfag .WriteRune ('\\');};continue ;}else if _ecbe [0]=='('{_agfaa ++;}else if _ecbe [0]==')'{_agfaa --;if _agfaa ==0{_badb ._affd .ReadByte ();break ;};};_fddd ,_ :=_badb ._affd .ReadByte ();_fdgfag .WriteByte (_fddd );};return MakeString (_fdgfag .String ()),nil ;
};func _dcgag (_gbec uint ,_dcff ,_accf float64 )float64 {return (_dcff +(float64 (_gbec )*(_accf -_dcff )/255))*255;};func (_ace *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_dcg :=MakeDict ();_dcg .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));
_dcg .Set ("\u0056",MakeInteger (int64 (_ace ._dgb .V )));_dcg .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_ace ._dgb .Length )));return _dcg ;};

// AddEncoder adds the passed in encoder to the underlying encoder slice.
func (_feba *MultiEncoder )AddEncoder (encoder StreamEncoder ){_feba ._degb =append (_feba ._degb ,encoder );};func (_eae *FlateEncoder )postDecodePredict (_bgcf []byte )([]byte ,error ){if _eae .Predictor > 1{if _eae .Predictor ==2{_ecd .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_ecd .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_eae .Colors );_fde :=_eae .Columns *_eae .Colors ;if _fde < 1{return []byte {},nil ;};_efbe :=len (_bgcf )/_fde ;if len (_bgcf )%_fde !=0{_ecd .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 ,_daa .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 (_bgcf ),_fde );};if _fde %_eae .Colors !=0{return nil ,_daa .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",_fde ,_eae .Colors );
};if _fde > len (_bgcf ){_ecd .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",_fde ,len (_bgcf ));
return nil ,_f .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ecd .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_bgcf ),_bgcf );
_fcad :=_fb .NewBuffer (nil );for _dfbd :=0;_dfbd < _efbe ;_dfbd ++{_acb :=_bgcf [_fde *_dfbd :_fde *(_dfbd +1)];for _bbda :=_eae .Colors ;_bbda < _fde ;_bbda ++{_acb [_bbda ]+=_acb [_bbda -_eae .Colors ];};_fcad .Write (_acb );};_faga :=_fcad .Bytes ();
_ecd .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_faga ),_faga );return _faga ,nil ;}else if _eae .Predictor >=10&&_eae .Predictor <=15{_ecd .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_aegfb :=_eae .Columns *_eae .Colors +1;_ccbf :=len (_bgcf )/_aegfb ;if len (_bgcf )%_aegfb !=0{return nil ,_daa .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 (_bgcf ),_aegfb );
};if _aegfb > len (_bgcf ){_ecd .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",_aegfb ,len (_bgcf ));
return nil ,_f .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_bfcg :=_fb .NewBuffer (nil );_ecd .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_eae .Columns );
_ecd .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_bgcf ),_aegfb ,_ccbf );_geec :=make ([]byte ,_aegfb );for _decd :=0;_decd < _aegfb ;_decd ++{_geec [_decd ]=0;
};_ged :=_eae .Colors ;for _deed :=0;_deed < _ccbf ;_deed ++{_cbgg :=_bgcf [_aegfb *_deed :_aegfb *(_deed +1)];_fffb :=_cbgg [0];switch _fffb {case _gdfb :case _gbe :for _aggb :=1+_ged ;_aggb < _aegfb ;_aggb ++{_cbgg [_aggb ]+=_cbgg [_aggb -_ged ];};case _gcff :for _eece :=1;
_eece < _aegfb ;_eece ++{_cbgg [_eece ]+=_geec [_eece ];};case _fbegd :for _fcada :=1;_fcada < _ged +1;_fcada ++{_cbgg [_fcada ]+=_geec [_fcada ]/2;};for _cgee :=_ged +1;_cgee < _aegfb ;_cgee ++{_cbgg [_cgee ]+=byte ((int (_cbgg [_cgee -_ged ])+int (_geec [_cgee ]))/2);
};case _fcc :for _cdgf :=1;_cdgf < _aegfb ;_cdgf ++{var _cbfa ,_eeff ,_abc byte ;_eeff =_geec [_cdgf ];if _cdgf >=_ged +1{_cbfa =_cbgg [_cdgf -_ged ];_abc =_geec [_cdgf -_ged ];};_cbgg [_cdgf ]+=_geddc (_cbfa ,_eeff ,_abc );};default:_ecd .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",_fffb ,_deed );
return nil ,_daa .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_fffb );};copy (_geec ,_cbgg );_bfcg .Write (_cbgg [1:]);};_fcd :=_bfcg .Bytes ();return _fcd ,nil ;
}else {_ecd .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",_eae .Predictor );return nil ,_daa .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",_eae .Predictor );
};};return _bgcf ,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 (_fbe *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _fbe .isEncrypted (obj ){return nil ;};switch _dbbg :=obj .(type ){case *PdfIndirectObject :_fbe ._ggf [_dbbg ]=true ;_ecd .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",_dbbg .ObjectNumber ,_dbbg .GenerationNumber );
_eef :=_dbbg .ObjectNumber ;_gdba :=_dbbg .GenerationNumber ;_aegc :=_fbe .Encrypt (_dbbg .PdfObject ,_eef ,_gdba );if _aegc !=nil {return _aegc ;};return nil ;case *PdfObjectStream :_fbe ._ggf [_dbbg ]=true ;_fafd :=_dbbg .PdfObjectDictionary ;if _ddaa ,_ddf :=_fafd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_ddf &&*_ddaa =="\u0058\u0052\u0065\u0066"{return nil ;};_cbf :=_dbbg .ObjectNumber ;_becgc :=_dbbg .GenerationNumber ;_ecd .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_cbf ,_becgc );
_gbdd :=_dbb ;if _fbe ._dgb .V >=4{_gbdd =_fbe ._gfd ;_ecd .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_fbe ._gfd );if _gag ,_gcbg :=_fafd .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_gcbg {if _cdgd ,_faaf :=GetName (_gag .Get (0));_faaf {if *_cdgd =="\u0043\u0072\u0079p\u0074"{_gbdd ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _dbf ,_efb :=_fafd .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_efb {if _deef ,_fdab :=_dbf .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_fdab {if _ ,_bcff :=_fbe ._bgbe [string (*_deef )];_bcff {_ecd .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_deef );
_gbdd =string (*_deef );};};};};};};_ecd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_gbdd );if _gbdd =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_bccd :=_fbe .Encrypt (_dbbg .PdfObjectDictionary ,_cbf ,_becgc );
if _bccd !=nil {return _bccd ;};_cfab ,_bccd :=_fbe .makeKey (_gbdd ,uint32 (_cbf ),uint32 (_becgc ),_fbe ._fedc );if _bccd !=nil {return _bccd ;};_dbbg .Stream ,_bccd =_fbe .encryptBytes (_dbbg .Stream ,_gbdd ,_cfab );if _bccd !=nil {return _bccd ;};_fafd .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_dbbg .Stream ))));
return nil ;case *PdfObjectString :_ecd .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_abe :=_dbb ;if _fbe ._dgb .V >=4{_ecd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_fbe ._ffd );
if _fbe ._ffd =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_abe =_fbe ._ffd ;};_bcca ,_bfc :=_fbe .makeKey (_abe ,uint32 (parentObjNum ),uint32 (parentGenNum ),_fbe ._fedc );if _bfc !=nil {return _bfc ;};_fdce :=_dbbg .Str ();_edb :=make ([]byte ,len (_fdce ));
for _adce :=0;_adce < len (_fdce );_adce ++{_edb [_adce ]=_fdce [_adce ];};_ecd .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_edb ,_edb );_edb ,_bfc =_fbe .encryptBytes (_edb ,_abe ,_bcca );
if _bfc !=nil {return _bfc ;};_dbbg ._cceg =string (_edb );return nil ;case *PdfObjectArray :for _ ,_abg :=range _dbbg .Elements (){_efa :=_fbe .Encrypt (_abg ,parentObjNum ,parentGenNum );if _efa !=nil {return _efa ;};};return nil ;case *PdfObjectDictionary :_dgf :=false ;
if _bbcg :=_dbbg .Get ("\u0054\u0079\u0070\u0065");_bbcg !=nil {_afdg ,_gfce :=_bbcg .(*PdfObjectName );if _gfce &&*_afdg =="\u0053\u0069\u0067"{_dgf =true ;};};for _ ,_bae :=range _dbbg .Keys (){_effc :=_dbbg .Get (_bae );if _dgf &&string (_bae )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;
};if string (_bae )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_bae )!="\u0050\u0072\u0065\u0076"&&string (_bae )!="\u004c\u0061\u0073\u0074"{_geee :=_fbe .Encrypt (_effc ,parentObjNum ,parentGenNum );if _geee !=nil {return _geee ;};};};return nil ;
};return nil ;};

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

// GetUpdatedObjects returns pdf objects which were updated from the specific version (from prevParser).
func (_ebbe *PdfParser )GetUpdatedObjects (prevParser *PdfParser )(map[int64 ]PdfObject ,error ){if prevParser ==nil {return nil ,_f .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");
};_bddgg ,_dfac :=_ebbe .getNumbersOfUpdatedObjects (prevParser );if _dfac !=nil {return nil ,_dfac ;};_abggc :=make (map[int64 ]PdfObject );for _ ,_eeab :=range _bddgg {if _bcdd ,_cdff :=_ebbe .LookupByNumber (_eeab );_cdff ==nil {_abggc [int64 (_eeab )]=_bcdd ;
}else {return nil ,_cdff ;};};return _abggc ,nil ;};

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

// 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 )(_cbbd *PdfObjectBool ,_baab bool ){_cbbd ,_baab =TraceToDirectObject (obj ).(*PdfObjectBool );return _cbbd ,_baab ;};var _ddfe =_fc .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");

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

// RegisterCustomStreamEncoder register a custom encoder handler for certain filter.
func RegisterCustomStreamEncoder (filterName string ,customStreamEncoder StreamEncoder ){_dgff .Store (filterName ,customStreamEncoder );};func _cfdc ()string {return _ecd .Version };

// 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 ;};

// UpdateParams updates the parameter values of the encoder.
func (_aefe *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _cabb ,_fdcac :=GetNumberAsInt64 (params .Get ("\u004b"));_fdcac ==nil {_aefe .K =int (_cabb );};if _agce ,_daabg :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_daabg ==nil {_aefe .Columns =int (_agce );}else if _agce ,_daabg =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_daabg ==nil {_aefe .Columns =int (_agce );};if _cdbd ,_aecd :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_aecd ==nil {_aefe .BlackIs1 =_cdbd > 0;}else {if _bagf ,_dgba :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_dgba {_aefe .BlackIs1 =_bagf ;}else {if _efcg ,_cca :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_cca {_ebdb ,_acec :=_efcg .ToIntegerArray ();if _acec ==nil {_aefe .BlackIs1 =_ebdb [0]==1&&_ebdb [1]==0;};};};};if _gggg ,_gacf :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_gacf ==nil {_aefe .EncodedByteAlign =_gggg > 0;}else {if _edcd ,_aafcb :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_aafcb {_aefe .EncodedByteAlign =_edcd ;};};if _dbba ,_eebe :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_eebe ==nil {_aefe .EndOfLine =_dbba > 0;}else {if _deacf ,_adgd :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_adgd {_aefe .EndOfLine =_deacf ;};};if _cfbbg ,_accgg :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));
_accgg ==nil {_aefe .Rows =int (_cfbbg );}else if _cfbbg ,_accgg =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_accgg ==nil {_aefe .Rows =int (_cfbbg );};if _daaf ,_cffe :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_cffe ==nil {_aefe .EndOfBlock =_daaf > 0;}else {if _dffg ,_eagg :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_eagg {_aefe .EndOfBlock =_dffg ;};};if _bdec ,_dcf :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_dcf !=nil {_aefe .DamagedRowsBeforeError =int (_bdec );};};

// StreamEncoder represents the interface for all PDF stream encoders.
type StreamEncoder interface{GetFilterName ()string ;MakeDecodeParams ()PdfObject ;MakeStreamDict ()*PdfObjectDictionary ;UpdateParams (_fff *PdfObjectDictionary );EncodeBytes (_dggb []byte )([]byte ,error );DecodeBytes (_caeb []byte )([]byte ,error );
DecodeStream (_cfdd *PdfObjectStream )([]byte ,error );};var _begb =_fc .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");

// 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 (_ccgf *JBIG2Encoder )AddPageImage (img *JBIG2Image ,settings *JBIG2EncoderSettings )(_fcdd error ){const _acbb ="\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 _ccgf ==nil {return _cd .Error (_acbb ,"J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u0020\u0069\u0073 n\u0069\u006c");};if settings ==nil {settings =&_ccgf .DefaultPageSettings ;};if _ccgf ._gcdf ==nil {_ccgf ._gcdf =_cb .InitEncodeDocument (settings .FileMode );
};if _fcdd =settings .Validate ();_fcdd !=nil {return _cd .Wrap (_fcdd ,_acbb ,"");};_faad ,_fcdd :=img .toBitmap ();if _fcdd !=nil {return _cd .Wrap (_fcdd ,_acbb ,"");};switch settings .Compression {case JB2Generic :if _fcdd =_ccgf ._gcdf .AddGenericPage (_faad ,settings .DuplicatedLinesRemoval );
_fcdd !=nil {return _cd .Wrap (_fcdd ,_acbb ,"");};case JB2SymbolCorrelation :return _cd .Error (_acbb ,"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 _cd .Error (_acbb ,"\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 _cd .Error (_acbb ,"\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 ;};

// 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 (_agec *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_aace :=PdfIndirectObject {};_aace ._ceda =_agec ;_ecd .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_gebfe ,_gdfda :=_agec ._affd .Peek (20);
if _gdfda !=nil {if _gdfda !=_ae .EOF {_ecd .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 &_aace ,_gdfda ;
};};_ecd .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_gebfe ));_dfcd :=_gegg .FindStringSubmatchIndex (string (_gebfe ));if len (_dfcd )< 6{if _gdfda ==_ae .EOF {return nil ,_gdfda ;
};_ecd .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 (_gebfe ));
return &_aace ,_f .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");
};_agec ._affd .Discard (_dfcd [0]);_ecd .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_dfcd );_fgbb :=_dfcd [1]-_dfcd [0];_beda :=make ([]byte ,_fgbb );_ ,_gdfda =_agec .ReadAtLeast (_beda ,_fgbb );if _gdfda !=nil {_ecd .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",_gdfda );
return nil ,_gdfda ;};_ecd .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_beda );_cedd :=_gegg .FindStringSubmatch (string (_beda ));if len (_cedd )< 3{_ecd .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 (_beda ));
return &_aace ,_f .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");
};_aeggc ,_ :=_bf .Atoi (_cedd [1]);_dbdf ,_ :=_bf .Atoi (_cedd [2]);_aace .ObjectNumber =int64 (_aeggc );_aace .GenerationNumber =int64 (_dbdf );for {_adbf ,_bfac :=_agec ._affd .Peek (2);if _bfac !=nil {return &_aace ,_bfac ;};_ecd .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_adbf ),string (_adbf ));
if IsWhiteSpace (_adbf [0]){_agec .skipSpaces ();}else if _adbf [0]=='%'{_agec .skipComments ();}else if (_adbf [0]=='<')&&(_adbf [1]=='<'){_ecd .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_aace .PdfObject ,_bfac =_agec .ParseDict ();
_ecd .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_bfac );if _bfac !=nil {return &_aace ,_bfac ;};_ecd .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 (_adbf [0]=='/')||(_adbf [0]=='(')||(_adbf [0]=='[')||(_adbf [0]=='<'){_aace .PdfObject ,_bfac =_agec .parseObject ();if _bfac !=nil {return &_aace ,_bfac ;};_ecd .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 _adbf [0]==']'{_ecd .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");
_agec ._affd .Discard (1);}else {if _adbf [0]=='e'{_dedee ,_bddg :=_agec .readTextLine ();if _bddg !=nil {return nil ,_bddg ;};if len (_dedee )>=6&&_dedee [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _adbf [0]=='s'{_adbf ,_ =_agec ._affd .Peek (10);
if string (_adbf [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_geeae :=6;if len (_adbf )> 6{if IsWhiteSpace (_adbf [_geeae ])&&_adbf [_geeae ]!='\r'&&_adbf [_geeae ]!='\n'{_ecd .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");
_agec ._bcdc ._agd =true ;_geeae ++;};if _adbf [_geeae ]=='\r'{_geeae ++;if _adbf [_geeae ]=='\n'{_geeae ++;};}else if _adbf [_geeae ]=='\n'{_geeae ++;}else {_agec ._bcdc ._agd =true ;};};_agec ._affd .Discard (_geeae );_cggg ,_ebaad :=_aace .PdfObject .(*PdfObjectDictionary );
if !_ebaad {return nil ,_f .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");};_ecd .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_cggg );
_fgdc ,_abgb :=_agec .traceStreamLength (_cggg .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _abgb !=nil {_ecd .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",_abgb );
return nil ,_abgb ;};_ecd .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_fgdc );_feac ,_dbea :=_fgdc .(*PdfObjectInteger );if !_dbea {return nil ,_f .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");
};_daee :=*_feac ;if _daee < 0{return nil ,_f .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");};_ddaf :=_agec .GetFileOffset ();
_bcaed :=_agec .xrefNextObjectOffset (_ddaf );if _ddaf +int64 (_daee )> _bcaed &&_bcaed > _ddaf {_ecd .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_ddaf +int64 (_daee ));_ecd .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",_bcaed );
_eabfc :=_bcaed -_ddaf -17;if _eabfc < 0{return nil ,_f .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");
};_ecd .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",_eabfc );_daee =PdfObjectInteger (_eabfc );
_cggg .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_eabfc ));};if int64 (_daee )> _agec ._defe {_ecd .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 ,_f .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");};_ebae :=make ([]byte ,_daee );
_ ,_abgb =_agec .ReadAtLeast (_ebae ,int (_daee ));if _abgb !=nil {_ecd .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_ebae ),_ebae );_ecd .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_abgb );
return nil ,_abgb ;};_eddgc :=PdfObjectStream {};_eddgc .Stream =_ebae ;_eddgc .PdfObjectDictionary =_aace .PdfObject .(*PdfObjectDictionary );_eddgc .ObjectNumber =_aace .ObjectNumber ;_eddgc .GenerationNumber =_aace .GenerationNumber ;_eddgc .PdfObjectReference ._ceda =_agec ;
_agec .skipSpaces ();_agec ._affd .Discard (9);_agec .skipSpaces ();return &_eddgc ,nil ;};};_aace .PdfObject ,_bfac =_agec .parseObject ();if _aace .PdfObject ==nil {_ecd .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");
_aace .PdfObject =MakeNull ();};return &_aace ,_bfac ;};};if _aace .PdfObject ==nil {_ecd .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");
_aace .PdfObject =MakeNull ();};_ecd .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_aace ,nil ;};

// 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 ;};

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

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

// 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 _aefg (obj ,0)};func (_aeaa *PdfCrypt )authenticate (_gee []byte )(bool ,error ){_aeaa ._bag =false ;_fgd :=_aeaa .securityHandler ();_acc ,_aecc ,_aeccf :=_fgd .Authenticate (&_aeaa ._af ,_gee );if _aeccf !=nil {return false ,_aeccf ;
}else if _aecc ==0||len (_acc )==0{return false ,nil ;};_aeaa ._bag =true ;_aeaa ._fedc =_acc ;return true ,nil ;};var _dgff _d .Map ;

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

// WriteString outputs the object as it is to be written to file.
func (_ffde *PdfIndirectObject )WriteString ()string {var _aage _c .Builder ;_aage .WriteString (_bf .FormatInt (_ffde .ObjectNumber ,10));_aage .WriteString ("\u0020\u0030\u0020\u0052");return _aage .String ();};const _dbbgc =32<<(^uint (0)>>63);

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

// 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 )(_cgeeb *PdfObjectFloat ,_ggca bool ){_cgeeb ,_ggca =TraceToDirectObject (obj ).(*PdfObjectFloat );return _cgeeb ,_ggca ;};

// DecodeBytes decodes the CCITTFax encoded image data.
func (_decdg *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_eebef ,_fgg :=_cf .NewDecoder (encoded ,_cf .DecodeOptions {Columns :_decdg .Columns ,Rows :_decdg .Rows ,K :_decdg .K ,EncodedByteAligned :_decdg .EncodedByteAlign ,BlackIsOne :_decdg .BlackIs1 ,EndOfBlock :_decdg .EndOfBlock ,EndOfLine :_decdg .EndOfLine ,DamagedRowsBeforeError :_decdg .DamagedRowsBeforeError });
if _fgg !=nil {return nil ,_fgg ;};_bcad ,_fgg :=_a .ReadAll (_eebef );if _fgg !=nil {return nil ,_fgg ;};return _bcad ,nil ;};var _gbfc =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};

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

// 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 )(_cgadg float64 ,_dbgb bool ){_cddg ,_dbgb :=TraceToDirectObject (obj ).(*PdfObjectFloat );if _dbgb {return float64 (*_cddg ),true ;};return 0,false ;};

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_fcdf *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_ecd .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_ecd .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_fcdf .Predictor );
_ebag ,_ddac :=_fcdf .DecodeBytes (streamObj .Stream );if _ddac !=nil {return nil ,_ddac ;};_ecd .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_ecd .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_ebag ),_ebag );
if _fcdf .Predictor > 1{if _fcdf .Predictor ==2{_ecd .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_abeb :=_fcdf .Columns *_fcdf .Colors ;if _abeb < 1{return []byte {},nil ;};_badc :=len (_ebag )/_abeb ;
if len (_ebag )%_abeb !=0{_ecd .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 ,_daa .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 (_ebag ),_abeb );};if _abeb %_fcdf .Colors !=0{return nil ,_daa .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",_abeb ,_fcdf .Colors );
};if _abeb > len (_ebag ){_ecd .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",_abeb ,len (_ebag ));
return nil ,_f .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ecd .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_ebag ),_ebag );
_aece :=_fb .NewBuffer (nil );for _cfbg :=0;_cfbg < _badc ;_cfbg ++{_geac :=_ebag [_abeb *_cfbg :_abeb *(_cfbg +1)];for _aacf :=_fcdf .Colors ;_aacf < _abeb ;_aacf ++{_geac [_aacf ]=byte (int (_geac [_aacf ]+_geac [_aacf -_fcdf .Colors ])%256);};_aece .Write (_geac );
};_egb :=_aece .Bytes ();_ecd .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_egb ),_egb );return _egb ,nil ;}else if _fcdf .Predictor >=10&&_fcdf .Predictor <=15{_ecd .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_caffg :=_fcdf .Columns *_fcdf .Colors +1;if _caffg < 1{return []byte {},nil ;};_ceeb :=len (_ebag )/_caffg ;if len (_ebag )%_caffg !=0{return nil ,_daa .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 (_ebag ),_caffg );
};if _caffg > len (_ebag ){_ecd .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",_caffg ,len (_ebag ));
return nil ,_f .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_dceag :=_fb .NewBuffer (nil );_ecd .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_fcdf .Columns );
_ecd .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_ebag ),_caffg ,_ceeb );_baeb :=make ([]byte ,_caffg );for _edda :=0;_edda < _caffg ;_edda ++{_baeb [_edda ]=0;
};for _cgd :=0;_cgd < _ceeb ;_cgd ++{_agfa :=_ebag [_caffg *_cgd :_caffg *(_cgd +1)];_cbd :=_agfa [0];switch _cbd {case 0:case 1:for _dbfg :=2;_dbfg < _caffg ;_dbfg ++{_agfa [_dbfg ]=byte (int (_agfa [_dbfg ]+_agfa [_dbfg -1])%256);};case 2:for _daabe :=1;
_daabe < _caffg ;_daabe ++{_agfa [_daabe ]=byte (int (_agfa [_daabe ]+_baeb [_daabe ])%256);};default:_ecd .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",_cbd );
return nil ,_daa .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_cbd );};for _dage :=0;_dage < _caffg ;_dage ++{_baeb [_dage ]=_agfa [_dage ];};_dceag .Write (_agfa [1:]);
};_bdge :=_dceag .Bytes ();return _bdge ,nil ;}else {_ecd .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",_fcdf .Predictor );
return nil ,_daa .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",_fcdf .Predictor );};};return _ebag ,nil ;};const _cdcg =6;

// DecodeBytes decodes a slice of JPX encoded bytes and returns the result.
func (_efgb *JPXEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_ecd .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",_efgb .GetFilterName ());
return encoded ,ErrNoJPXDecode ;};

// Set sets the dictionary's key -> val mapping entry. Overwrites if key already set.
func (_efef *PdfObjectDictionary )Set (key PdfObjectName ,val PdfObject ){_efef .setWithLock (key ,val ,true );};func _addg (_fdee _ae .ReadSeeker ,_bgge int64 )(*offsetReader ,error ){_gbbg :=&offsetReader {_fgba :_fdee ,_febb :_bgge };_ ,_cfea :=_gbbg .Seek (0,_ae .SeekStart );
return _gbbg ,_cfea ;};

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set and the DecodeParms.
func (_cbfe *LZWEncoder )MakeStreamDict ()*PdfObjectDictionary {_efca :=MakeDict ();_efca .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_cbfe .GetFilterName ()));_bdfe :=_cbfe .MakeDecodeParams ();if _bdfe !=nil {_efca .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_bdfe );
};_efca .Set ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065",MakeInteger (int64 (_cbfe .EarlyChange )));return _efca ;};type objectStream struct{N int ;_ad []byte ;_bb map[int ]int64 ;};

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

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_egff *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_geag :=_fb .NewReader (encoded );var _fgaa []byte ;for {_ada ,_dacf :=_geag .ReadByte ();if _dacf !=nil {return nil ,_dacf ;};if _ada =='>'{break ;};if IsWhiteSpace (_ada ){continue ;
};if (_ada >='a'&&_ada <='f')||(_ada >='A'&&_ada <='F')||(_ada >='0'&&_ada <='9'){_fgaa =append (_fgaa ,_ada );}else {_ecd .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",_ada );
return nil ,_daa .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",_ada );};};if len (_fgaa )%2==1{_fgaa =append (_fgaa ,'0');
};_ecd .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_fgaa );_afac :=make ([]byte ,_dc .DecodedLen (len (_fgaa )));_ ,_gfcb :=_dc .Decode (_afac ,_fgaa );if _gfcb !=nil {return nil ,_gfcb ;};return _afac ,nil ;};

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

// 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 (_eabef *PdfObjectString )Decoded ()string {if _eabef ==nil {return "";};_efbg :=[]byte (_eabef ._cceg );if len (_efbg )>=2&&_efbg [0]==0xFE&&_efbg [1]==0xFF{return _ce .UTF16ToString (_efbg [2:]);};return _ce .PDFDocEncodingToString (_efbg );};

// GetFilterName returns the name of the encoding filter.
func (_ddebg *ASCII85Encoder )GetFilterName ()string {return StreamEncodingFilterNameASCII85 };func (_cfdg *PdfParser )parseXrefStream (_daag *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _daag !=nil {_ecd .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",_daag );
_cfdg ._ccgbe .Seek (int64 (*_daag ),_ae .SeekStart );_cfdg ._affd =_ga .NewReader (_cfdg ._ccgbe );};_dcdc :=_cfdg .GetFileOffset ();_ebddg ,_dcafa :=_cfdg .ParseIndirectObject ();if _dcafa !=nil {_ecd .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 ,_f .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");};_ecd .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_ebddg );
_ccea ,_aeeg :=_ebddg .(*PdfObjectStream );if !_aeeg {_ecd .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 ,_f .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");};_cbdb :=_ccea .PdfObjectDictionary ;
_abfd ,_aeeg :=_ccea .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_aeeg {_ecd .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 ,_f .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 (*_abfd )> 8388607{_ecd .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",*_abfd );
return nil ,_f .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_gfab :=_ccea .PdfObjectDictionary .Get ("\u0057");_fada ,_aeeg :=_gfab .(*PdfObjectArray );if !_aeeg {return nil ,_f .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_beaa :=_fada .Len ();if _beaa !=3{_ecd .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",_beaa );
return nil ,_f .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 _gebf []int64 ;for _cedbf :=0;_cedbf < 3;
_cedbf ++{_afge ,_gdfg :=GetInt (_fada .Get (_cedbf ));if !_gdfg {return nil ,_f .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_gebf =append (_gebf ,int64 (*_afge ));};_acca ,_dcafa :=DecodeStream (_ccea );
if _dcafa !=nil {_ecd .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",_dcafa );return nil ,_dcafa ;};_dcgaf :=int (_gebf [0]);
_fcgg :=int (_gebf [0]+_gebf [1]);_agee :=int (_gebf [0]+_gebf [1]+_gebf [2]);_degg :=int (_gebf [0]+_gebf [1]+_gebf [2]);if _dcgaf < 0||_fcgg < 0||_agee < 0{_ecd .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",_dcgaf ,_fcgg ,_agee );
return nil ,_f .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _degg ==0{_ecd .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 _cbdb ,nil ;};_cafg :=len (_acca )/_degg ;_bbgc :=0;_dcdb :=_ccea .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _ccggg []int ;if _dcdb !=nil {_ecd .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_dcdb );_ggdc ,_bcfd :=_dcdb .(*PdfObjectArray );
if !_bcfd {_ecd .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 ,_f .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _ggdc .Len ()%2!=0{_ecd .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 ,_f .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_bbgc =0;_ebac ,_fcdb :=_ggdc .ToIntegerArray ();if _fcdb !=nil {_ecd .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",_fcdb );
return nil ,_fcdb ;};for _bbfad :=0;_bbfad < len (_ebac );_bbfad +=2{_abbgb :=_ebac [_bbfad ];_bcdg :=_ebac [_bbfad +1];for _abge :=0;_abge < _bcdg ;_abge ++{_ccggg =append (_ccggg ,_abbgb +_abge );};_bbgc +=_bcdg ;};}else {for _cfbd :=0;_cfbd < int (*_abfd );
_cfbd ++{_ccggg =append (_ccggg ,_cfbd );};_bbgc =int (*_abfd );};if _cafg ==_bbgc +1{_ecd .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");
_dcfa :=_bbgc -1;for _ ,_dbfb :=range _ccggg {if _dbfb > _dcfa {_dcfa =_dbfb ;};};_ccggg =append (_ccggg ,_dcfa +1);_bbgc ++;};if _cafg !=len (_ccggg ){_ecd .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",_cafg ,len (_ccggg ));
return nil ,_f .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");};_ecd .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_bbgc );
_ecd .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_ccggg );_eecg :=func (_efeaa []byte )int64 {var _fffa int64 ;for _cebg :=0;_cebg < len (_efeaa );_cebg ++{_fffa +=int64 (_efeaa [_cebg ])*(1<<uint (8*(len (_efeaa )-_cebg -1)));
};return _fffa ;};_ecd .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_acca ));_cgcfg :=0;for _eedc :=0;_eedc < len (_acca );_eedc +=_degg {_dcca :=_afgg (len (_acca ),_eedc ,_eedc +_dcgaf );
if _dcca !=nil {_ecd .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_dcca );return nil ,_dcca ;};_ecgb :=_acca [_eedc :_eedc +_dcgaf ];_dcca =_afgg (len (_acca ),_eedc +_dcgaf ,_eedc +_fcgg );
if _dcca !=nil {_ecd .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_dcca );return nil ,_dcca ;};_eded :=_acca [_eedc +_dcgaf :_eedc +_fcgg ];_dcca =_afgg (len (_acca ),_eedc +_fcgg ,_eedc +_agee );
if _dcca !=nil {_ecd .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_dcca );return nil ,_dcca ;};_cfg :=_acca [_eedc +_fcgg :_eedc +_agee ];_abead :=_eecg (_ecgb );
_dgfc :=_eecg (_eded );_cbaf :=_eecg (_cfg );if _gebf [0]==0{_abead =1;};if _cgcfg >=len (_ccggg ){_ecd .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 ;};_dabb :=_ccggg [_cgcfg ];_cgcfg ++;_ecd .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_dabb ,_ecgb );_ecd .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_dabb ,_eded );_ecd .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_dabb ,_cfg );
_ecd .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_dabb ,_abead ,_dgfc ,_cbaf );if _abead ==0{_ecd .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 _abead ==1{_ecd .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",_eded );if _dgfc ==_dcdc {_ecd .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",_dabb ,_ccea .ObjectNumber );
_dabb =int (_ccea .ObjectNumber );};if _gceg ,_ebaa :=_cfdg ._efdgc .ObjectMap [_dabb ];!_ebaa ||int (_cbaf )> _gceg .Generation {_cfbba :=XrefObject {ObjectNumber :_dabb ,XType :XrefTypeTableEntry ,Offset :_dgfc ,Generation :int (_cbaf )};_cfdg ._efdgc .ObjectMap [_dabb ]=_cfbba ;
};}else if _abead ==2{_ecd .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 _ ,_bdee :=_cfdg ._efdgc .ObjectMap [_dabb ];!_bdee {_gdeg :=XrefObject {ObjectNumber :_dabb ,XType :XrefTypeObjectStream ,OsObjNumber :int (_dgfc ),OsObjIndex :int (_cbaf )};
_cfdg ._efdgc .ObjectMap [_dabb ]=_gdeg ;_ecd .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_gdeg );};}else {_ecd .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 _cfdg ._ceae ==nil {_eabc :=XrefTypeObjectStream ;_cfdg ._ceae =&_eabc ;};return _cbdb ,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 (_ebcd *FlateEncoder )SetPredictor (columns int ){_ebcd .Predictor =11;_ebcd .Columns =columns };

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_cbfc *ASCIIHexEncoder )MakeDecodeParams ()PdfObject {return nil };func (_aegge *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _aegge ._abcfc {return nil ,_daa .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");
};_aegge ._abcfc =true ;_aegge ._ccgbe .Seek (0,_ae .SeekStart );_aegge ._affd =_ga .NewReader (_aegge ._ccgbe );_aefef :=20;_eega :=make ([]byte ,_aefef );_adfd :=XrefTable {};_adfd .ObjectMap =make (map[int ]XrefObject );for {_ffda ,_bebfg :=_aegge ._affd .ReadByte ();
if _bebfg !=nil {if _bebfg ==_ae .EOF {break ;}else {return nil ,_bebfg ;};};if _ffda =='j'&&_eega [_aefef -1]=='b'&&_eega [_aefef -2]=='o'&&IsWhiteSpace (_eega [_aefef -3]){_agag :=_aefef -4;for IsWhiteSpace (_eega [_agag ])&&_agag > 0{_agag --;};if _agag ==0||!IsDecimalDigit (_eega [_agag ]){continue ;
};for IsDecimalDigit (_eega [_agag ])&&_agag > 0{_agag --;};if _agag ==0||!IsWhiteSpace (_eega [_agag ]){continue ;};for IsWhiteSpace (_eega [_agag ])&&_agag > 0{_agag --;};if _agag ==0||!IsDecimalDigit (_eega [_agag ]){continue ;};for IsDecimalDigit (_eega [_agag ])&&_agag > 0{_agag --;
};if _agag ==0{continue ;};_ggfe :=_aegge .GetFileOffset ()-int64 (_aefef -_agag );_efcga :=append (_eega [_agag +1:],_ffda );_beff ,_dbeab ,_bcdaf :=_gdcag (string (_efcga ));if _bcdaf !=nil {_ecd .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",_bcdaf );
return nil ,_bcdaf ;};if _aaca ,_bdgbg :=_adfd .ObjectMap [_beff ];!_bdgbg ||_aaca .Generation < _dbeab {_ceaef :=XrefObject {};_ceaef .XType =XrefTypeTableEntry ;_ceaef .ObjectNumber =_beff ;_ceaef .Generation =_dbeab ;_ceaef .Offset =_ggfe ;_adfd .ObjectMap [_beff ]=_ceaef ;
};};_eega =append (_eega [1:_aefef ],_ffda );};_aegge ._bddbf =nil ;return &_adfd ,nil ;};

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

// 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 (_cbff *PdfObjectArray )ToIntegerArray ()([]int ,error ){var _bdgd []int ;for _ ,_bcgbe :=range _cbff .Elements (){if _edcf ,_ddfa :=_bcgbe .(*PdfObjectInteger );_ddfa {_bdgd =append (_bdgd ,int (*_edcf ));}else {return nil ,ErrTypeError ;};};return _bdgd ,nil ;
};

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

// String returns a string representation of the *PdfObjectString.
func (_agga *PdfObjectString )String ()string {return _agga ._cceg };func (_bgcfa *JBIG2Encoder )encodeImage (_gdae _ac .Image )([]byte ,error ){const _gdgc ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";_dbed ,_bbgb :=GoImageToJBIG2 (_gdae ,JB2ImageAutoThreshold );
if _bbgb !=nil {return nil ,_cd .Wrap (_bbgb ,_gdgc ,"\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 _bbgb =_bgcfa .AddPageImage (_dbed ,&_bgcfa .DefaultPageSettings );
_bbgb !=nil {return nil ,_cd .Wrap (_bbgb ,_gdgc ,"");};return _bgcfa .Encode ();};

// 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};

// 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 )(_fgbdg *PdfObjectStreams ,_ggdg bool ){_fgbdg ,_ggdg =obj .(*PdfObjectStreams );return _fgbdg ,_ggdg ;};

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

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_edcb *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_gbfd :=_fb .NewReader (encoded );_cgcf ,_cgbf :=_bd .Decode (_gbfd );if _cgbf !=nil {_ecd .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_cgbf );
return nil ,_cgbf ;};_dafd :=_cgcf .Bounds ();var _dfc =make ([]byte ,_dafd .Dx ()*_dafd .Dy ()*_edcb .ColorComponents *_edcb .BitsPerComponent /8);_fdeb :=0;switch _edcb .ColorComponents {case 1:_cedb :=[]float64 {_edcb .Decode [0],_edcb .Decode [1]};
for _bbbb :=_dafd .Min .Y ;_bbbb < _dafd .Max .Y ;_bbbb ++{for _fdga :=_dafd .Min .X ;_fdga < _dafd .Max .X ;_fdga ++{_ebfg :=_cgcf .At (_fdga ,_bbbb );if _edcb .BitsPerComponent ==16{_debb ,_edgc :=_ebfg .(_ec .Gray16 );if !_edgc {return nil ,_f .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_dbfa :=_dcgag (uint (_debb .Y >>8),_cedb [0],_cedb [1]);_afa :=_dcgag (uint (_debb .Y ),_cedb [0],_cedb [1]);_dfc [_fdeb ]=byte (_dbfa );_fdeb ++;_dfc [_fdeb ]=byte (_afa );_fdeb ++;}else {_ebd ,_ccbb :=_ebfg .(_ec .Gray );if !_ccbb {return nil ,_f .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_dfc [_fdeb ]=byte (_dcgag (uint (_ebd .Y ),_cedb [0],_cedb [1]));_fdeb ++;};};};case 3:_bffac :=[]float64 {_edcb .Decode [0],_edcb .Decode [1]};_beeg :=[]float64 {_edcb .Decode [2],_edcb .Decode [3]};_cbfb :=[]float64 {_edcb .Decode [4],_edcb .Decode [5]};
for _bfe :=_dafd .Min .Y ;_bfe < _dafd .Max .Y ;_bfe ++{for _aadc :=_dafd .Min .X ;_aadc < _dafd .Max .X ;_aadc ++{_babe :=_cgcf .At (_aadc ,_bfe );if _edcb .BitsPerComponent ==16{_bbfa ,_eag :=_babe .(_ec .RGBA64 );if !_eag {return nil ,_f .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_ggbd :=_dcgag (uint (_bbfa .R >>8),_bffac [0],_bffac [1]);_fceg :=_dcgag (uint (_bbfa .R ),_bffac [0],_bffac [1]);_dfga :=_dcgag (uint (_bbfa .G >>8),_beeg [0],_beeg [1]);_bceb :=_dcgag (uint (_bbfa .G ),_beeg [0],_beeg [1]);_gfca :=_dcgag (uint (_bbfa .B >>8),_cbfb [0],_cbfb [1]);
_ecag :=_dcgag (uint (_bbfa .B ),_cbfb [0],_cbfb [1]);_dfc [_fdeb ]=byte (_ggbd );_fdeb ++;_dfc [_fdeb ]=byte (_fceg );_fdeb ++;_dfc [_fdeb ]=byte (_dfga );_fdeb ++;_dfc [_fdeb ]=byte (_bceb );_fdeb ++;_dfc [_fdeb ]=byte (_gfca );_fdeb ++;_dfc [_fdeb ]=byte (_ecag );
_fdeb ++;}else {_dcbf ,_dccff :=_babe .(_ec .RGBA );if _dccff {_cabd :=_dcgag (uint (_dcbf .R ),_bffac [0],_bffac [1]);_aaa :=_dcgag (uint (_dcbf .G ),_beeg [0],_beeg [1]);_edec :=_dcgag (uint (_dcbf .B ),_cbfb [0],_cbfb [1]);_dfc [_fdeb ]=byte (_cabd );
_fdeb ++;_dfc [_fdeb ]=byte (_aaa );_fdeb ++;_dfc [_fdeb ]=byte (_edec );_fdeb ++;}else {_ffec ,_cfba :=_babe .(_ec .YCbCr );if !_cfba {return nil ,_f .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");};_baffa ,_egbg ,_eaa ,_ :=_ffec .RGBA ();
_dae :=_dcgag (uint (_baffa >>8),_bffac [0],_bffac [1]);_deca :=_dcgag (uint (_egbg >>8),_beeg [0],_beeg [1]);_fbag :=_dcgag (uint (_eaa >>8),_cbfb [0],_cbfb [1]);_dfc [_fdeb ]=byte (_dae );_fdeb ++;_dfc [_fdeb ]=byte (_deca );_fdeb ++;_dfc [_fdeb ]=byte (_fbag );
_fdeb ++;};};};};case 4:_efeb :=[]float64 {_edcb .Decode [0],_edcb .Decode [1]};_ccfdb :=[]float64 {_edcb .Decode [2],_edcb .Decode [3]};_ccgee :=[]float64 {_edcb .Decode [4],_edcb .Decode [5]};_gfcg :=[]float64 {_edcb .Decode [6],_edcb .Decode [7]};for _abea :=_dafd .Min .Y ;
_abea < _dafd .Max .Y ;_abea ++{for _efgc :=_dafd .Min .X ;_efgc < _dafd .Max .X ;_efgc ++{_aab :=_cgcf .At (_efgc ,_abea );_bafc ,_beed :=_aab .(_ec .CMYK );if !_beed {return nil ,_f .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_ecbc :=255-_dcgag (uint (_bafc .C ),_efeb [0],_efeb [1]);_dcbfa :=255-_dcgag (uint (_bafc .M ),_ccfdb [0],_ccfdb [1]);_agcf :=255-_dcgag (uint (_bafc .Y ),_ccgee [0],_ccgee [1]);_caeg :=255-_dcgag (uint (_bafc .K ),_gfcg [0],_gfcg [1]);_dfc [_fdeb ]=byte (_ecbc );
_fdeb ++;_dfc [_fdeb ]=byte (_dcbfa );_fdeb ++;_dfc [_fdeb ]=byte (_agcf );_fdeb ++;_dfc [_fdeb ]=byte (_caeg );_fdeb ++;};};};return _dfc ,nil ;};func (_ebdd *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_aadb :=_ebdd ._affd .Discard (4);return PdfObjectNull {},_aadb ;
};

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

// WriteString outputs the object as it is to be written to file.
func (_cecdd *PdfObjectName )WriteString ()string {var _abegd _fb .Buffer ;if len (*_cecdd )> 127{_ecd .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a \u004e\u0061\u006d\u0065\u0020t\u006fo\u0020l\u006f\u006e\u0067\u0020\u0028\u0025\u0073)",*_cecdd );};_abegd .WriteString ("\u002f");
for _gddb :=0;_gddb < len (*_cecdd );_gddb ++{_gfaf :=(*_cecdd )[_gddb ];if !IsPrintable (_gfaf )||_gfaf =='#'||IsDelimiter (_gfaf ){_abegd .WriteString (_daa .Sprintf ("\u0023\u0025\u002e2\u0078",_gfaf ));}else {_abegd .WriteByte (_gfaf );};};return _abegd .String ();
};const (JB2Generic JBIG2CompressionType =iota ;JB2SymbolCorrelation ;JB2SymbolRankHaus ;);

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

// Len returns the number of elements in the streams.
func (_fdacf *PdfObjectStreams )Len ()int {if _fdacf ==nil {return 0;};return len (_fdacf ._gedag );};func _cfbb (_cgf *_bc .FilterDict ,_beef *PdfObjectDictionary )error {if _aegd ,_dfe :=_beef .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_dfe {if _gbc :=string (*_aegd );
_gbc !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_ecd .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",_gbc );
};};_bea ,_ece :=_beef .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_ece {return _daa .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");
};_cgf .CFM =string (*_bea );if _cce ,_aea :=_beef .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_aea {_cgf .AuthEvent =_fg .AuthEvent (*_cce );}else {_cgf .AuthEvent =_fg .EventDocOpen ;};if _ffe ,_eea :=_beef .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_eea {_cgf .Length =int (*_ffe );};return nil ;};

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

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

// 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 {_aaec :=PdfObjectString {_cceg :s };return &_aaec };

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

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

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

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

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

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

// IsDecimalDigit checks if the character is a part of a decimal number string.
func IsDecimalDigit (c byte )bool {return '0'<=c &&c <='9'};func _efea (_dacb *PdfObjectStream ,_bccac *MultiEncoder )(*DCTEncoder ,error ){_aef :=NewDCTEncoder ();_afdc :=_dacb .PdfObjectDictionary ;if _afdc ==nil {return _aef ,nil ;};_ecgc :=_dacb .Stream ;
if _bccac !=nil {_ddcd ,_debc :=_bccac .DecodeBytes (_ecgc );if _debc !=nil {return nil ,_debc ;};_ecgc =_ddcd ;};_ddabg :=_fb .NewReader (_ecgc );_acf ,_bbbe :=_bd .DecodeConfig (_ddabg );if _bbbe !=nil {_ecd .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_bbbe );
return nil ,_bbbe ;};switch _acf .ColorModel {case _ec .RGBAModel :_aef .BitsPerComponent =8;_aef .ColorComponents =3;_aef .Decode =[]float64 {0.0,1.0,0.0,1.0,0.0,1.0};case _ec .RGBA64Model :_aef .BitsPerComponent =16;_aef .ColorComponents =3;_aef .Decode =[]float64 {0.0,1.0,0.0,1.0,0.0,1.0};
case _ec .GrayModel :_aef .BitsPerComponent =8;_aef .ColorComponents =1;_aef .Decode =[]float64 {0.0,1.0};case _ec .Gray16Model :_aef .BitsPerComponent =16;_aef .ColorComponents =1;_aef .Decode =[]float64 {0.0,1.0};case _ec .CMYKModel :_aef .BitsPerComponent =8;
_aef .ColorComponents =4;_aef .Decode =[]float64 {0.0,1.0,0.0,1.0,0.0,1.0,0.0,1.0};case _ec .YCbCrModel :_aef .BitsPerComponent =8;_aef .ColorComponents =3;_aef .Decode =[]float64 {0.0,1.0,0.0,1.0,0.0,1.0};default:return nil ,_f .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_aef .Width =_acf .Width ;_aef .Height =_acf .Height ;_ecd .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_aef );_aef .Quality =DefaultJPEGQuality ;_bab ,_bbaa :=GetArray (_afdc .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
if _bbaa {_gccg ,_eac :=_bab .ToFloat64Array ();if _eac !=nil {return _aef ,_eac ;};_aef .Decode =_gccg ;};return _aef ,nil ;};

// GetObjectNums returns a sorted list of object numbers of the PDF objects in the file.
func (_bcbg *PdfParser )GetObjectNums ()[]int {var _ccae []int ;for _ ,_bfgef :=range _bcbg ._efdgc .ObjectMap {_ccae =append (_ccae ,_bfgef .ObjectNumber );};_db .Ints (_ccae );return _ccae ;};func (_gded *PdfParser )xrefNextObjectOffset (_fcdfe int64 )int64 {_eda :=int64 (0);
if len (_gded ._efdgc .ObjectMap )==0{return 0;};if len (_gded ._efdgc ._fbb )==0{_gfccc :=0;for _ ,_acbbd :=range _gded ._efdgc .ObjectMap {if _acbbd .Offset > 0{_gfccc ++;};};if _gfccc ==0{return 0;};_gded ._efdgc ._fbb =make ([]XrefObject ,_gfccc );
_gdfe :=0;for _ ,_dbdaf :=range _gded ._efdgc .ObjectMap {if _dbdaf .Offset > 0{_gded ._efdgc ._fbb [_gdfe ]=_dbdaf ;_gdfe ++;};};_db .Slice (_gded ._efdgc ._fbb ,func (_bbag ,_caebe int )bool {return _gded ._efdgc ._fbb [_bbag ].Offset < _gded ._efdgc ._fbb [_caebe ].Offset ;
});};_decae :=_db .Search (len (_gded ._efdgc ._fbb ),func (_cfcf int )bool {return _gded ._efdgc ._fbb [_cfcf ].Offset >=_fcdfe });if _decae < len (_gded ._efdgc ._fbb ){_eda =_gded ._efdgc ._fbb [_decae ].Offset ;};return _eda ;};func _dg (_ceg XrefTable ){_ecd .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");
_ecd .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_efd :=0;for _ ,_cge :=range _ceg .ObjectMap {_ecd .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",_efd +1,_cge .ObjectNumber ,_cge .Generation ,_cge .Offset );
_efd ++;};};

// 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 _ae .ReadSeeker )(*PdfParser ,error ){_deae :=&PdfParser {_ccgbe :rs ,ObjCache :make (objectCache ),_ecegc :map[int64 ]bool {},_abec :make ([]int64 ,0),_fcedf :make (map[*PdfParser ]*PdfParser )};_fbbbb ,_ccga ,_cdcb :=_deae .parsePdfVersion ();
if _cdcb !=nil {_ecd .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",_cdcb );return nil ,_cdcb ;};_deae ._eddg .Major =_fbbbb ;_deae ._eddg .Minor =_ccga ;
if _deae ._gddgc ,_cdcb =_deae .loadXrefs ();_cdcb !=nil {_ecd .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",_cdcb );return nil ,_cdcb ;
};_ecd .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_deae ._gddgc );_ddafd ,_cdcb :=_deae .parseLinearizedDictionary ();if _cdcb !=nil {return nil ,_cdcb ;};if _ddafd !=nil {_deae ._fbgeb ,_cdcb =_deae .checkLinearizedInformation (_ddafd );
if _cdcb !=nil {return nil ,_cdcb ;};};if len (_deae ._efdgc .ObjectMap )==0{return nil ,_daa .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");
};_deae ._eecd =len (_deae ._abec );if _deae ._fbgeb &&_deae ._eecd !=0{_deae ._eecd --;};_deae ._bdddd =make ([]*PdfParser ,_deae ._eecd );return _deae ,nil ;};

// GetRevisionNumber returns the current version of the Pdf document.
func (_fefaa *PdfParser )GetRevisionNumber ()int {return _fefaa ._eecd };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";);

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_cac *FlateEncoder )MakeDecodeParams ()PdfObject {if _cac .Predictor > 1{_fbeg :=MakeDict ();_fbeg .Set ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr",MakeInteger (int64 (_cac .Predictor )));if _cac .BitsPerComponent !=8{_fbeg .Set ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074",MakeInteger (int64 (_cac .BitsPerComponent )));
};if _cac .Columns !=1{_fbeg .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_cac .Columns )));};if _cac .Colors !=1{_fbeg .Set ("\u0043\u006f\u006c\u006f\u0072\u0073",MakeInteger (int64 (_cac .Colors )));};return _fbeg ;};return nil ;
};func (_bgb *PdfParser )lookupByNumberWrapper (_gdd int ,_dce bool )(PdfObject ,bool ,error ){_edd ,_cfa ,_ebc :=_bgb .lookupByNumber (_gdd ,_dce );if _ebc !=nil {return nil ,_cfa ,_ebc ;};if !_cfa &&_bgb ._geaef !=nil &&_bgb ._geaef ._bag &&!_bgb ._geaef .isDecrypted (_edd ){_cc :=_bgb ._geaef .Decrypt (_edd ,0,0);
if _cc !=nil {return nil ,_cfa ,_cc ;};};return _edd ,_cfa ,nil ;};

// MakeDictMap creates a PdfObjectDictionary initialized from a map of keys to values.
func MakeDictMap (objmap map[string ]PdfObject )*PdfObjectDictionary {_cadg :=MakeDict ();return _cadg .Update (objmap );};func (_bggf *PdfParser )parsePdfVersion ()(int ,int ,error ){var _abbga int64 =20;_eeac :=make ([]byte ,_abbga );_bggf ._ccgbe .Seek (0,_ae .SeekStart );
_bggf ._ccgbe .Read (_eeac );var _fcee error ;var _affg ,_agbf int ;if _fbbef :=_deba .FindStringSubmatch (string (_eeac ));len (_fbbef )< 3{if _affg ,_agbf ,_fcee =_bggf .seekPdfVersionTopDown ();_fcee !=nil {_ecd .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,_fcee ;};_bggf ._ccgbe ,_fcee =_addg (_bggf ._ccgbe ,_bggf .GetFileOffset ()-8);if _fcee !=nil {return 0,0,_fcee ;};}else {if _affg ,_fcee =_bf .Atoi (_fbbef [1]);_fcee !=nil {return 0,0,_fcee ;};if _agbf ,_fcee =_bf .Atoi (_fbbef [2]);_fcee !=nil {return 0,0,_fcee ;
};_bggf .SetFileOffset (0);};_bggf ._affd =_ga .NewReader (_bggf ._ccgbe );_ecd .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_affg ,_agbf );return _affg ,_agbf ,nil ;};

// IsEncrypted checks if the document is encrypted. A bool flag is returned indicating the result.
// First time when called, will check if the Encrypt dictionary is accessible through the trailer dictionary.
// If encrypted, prepares a crypt datastructure which can be used to authenticate and decrypt the document.
// On failure, an error is returned.
func (_abefb *PdfParser )IsEncrypted ()(bool ,error ){if _abefb ._geaef !=nil {return true ,nil ;}else if _abefb ._gddgc ==nil {return false ,nil ;};_ecd .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");
_ddeba :=_abefb ._gddgc .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _ddeba ==nil {return false ,nil ;};_ecd .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_bece *PdfObjectDictionary ;);switch _cede :=_ddeba .(type ){case *PdfObjectDictionary :_bece =_cede ;
case *PdfObjectReference :_ecd .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_cede );_geeag ,_fcaf :=_abefb .LookupByReference (*_cede );_ecd .Log .Trace ("\u0031\u003a\u0020%\u0071",_geeag );
if _fcaf !=nil {return false ,_fcaf ;};_cgfa ,_ddgc :=_geeag .(*PdfIndirectObject );if !_ddgc {_ecd .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 ,_f .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_bgff ,_ddgc :=_cgfa .PdfObject .(*PdfObjectDictionary );_abefb ._ggggc =_cgfa ;_ecd .Log .Trace ("\u0032\u003a\u0020%\u0071",_bgff );if !_ddgc {return false ,_f .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");
};_bece =_bgff ;case *PdfObjectNull :_ecd .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 ,_daa .Errorf ("u\u006es\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0074\u0079\u0070\u0065: \u0025\u0054",_cede );};_acde ,_eadf :=PdfCryptNewDecrypt (_abefb ,_bece ,_abefb ._gddgc );if _eadf !=nil {return false ,_eadf ;
};for _ ,_eafed :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_abgf :=_abefb ._gddgc .Get (PdfObjectName (_eafed ));if _abgf ==nil {continue ;};switch _gfaba :=_abgf .(type ){case *PdfObjectReference :_acde ._abf [int (_gfaba .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_acde ._cgb [_gfaba ]=true ;_acde ._abf [int (_gfaba .ObjectNumber )]=struct{}{};};};_abefb ._geaef =_acde ;_ecd .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_acde );
return true ,nil ;};func (_ggge *PdfCrypt )isDecrypted (_cecg PdfObject )bool {_ ,_ffa :=_ggge ._cgb [_cecg ];if _ffa {_ecd .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");return true ;};
switch _gabg :=_cecg .(type ){case *PdfObjectStream :if _ggge ._af .R !=5{if _dee ,_dfbb :=_gabg .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_dfbb &&*_dee =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_ffa =_ggge ._abf [int (_gabg .ObjectNumber )];
_ffa {return true ;};switch _dfba :=_gabg .PdfObject .(type ){case *PdfObjectDictionary :_ea :=true ;for _ ,_gga :=range _gbfc {if _dfba .Get (_gga )==nil {_ea =false ;break ;};};if _ea {return true ;};};};_ecd .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};func (_gfdc *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_gfdc ._affd )};

// 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 )(_baee *PdfObjectStream ,_dbae bool ){obj =ResolveReference (obj );_baee ,_dbae =obj .(*PdfObjectStream );return _baee ,_dbae ;};func (_cgaa *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){_cgaa .skipSpaces ();const _caegc =20;
_dcag ,_ :=_cgaa ._affd .Peek (_caegc );for _dgdd :=0;_dgdd < 2;_dgdd ++{if _cgaa ._fefea ==0{_cgaa ._fefea =_cgaa .GetFileOffset ();};if _gegg .Match (_dcag ){_ecd .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");
_ecd .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_dcag ));return _cgaa .parseXrefStream (nil );};if _fbae .Match (_dcag ){_ecd .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 _cgaa .parseXrefTable ();};_dadf :=_cgaa .GetFileOffset ();if _cgaa ._fefea ==0{_cgaa ._fefea =_dadf ;};_cgaa .SetFileOffset (_dadf -_caegc );defer _cgaa .SetFileOffset (_dadf );_afgd ,_ :=_cgaa ._affd .Peek (_caegc );_dcag =append (_afgd ,_dcag ...);
};_ecd .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 _bfed :=_cgaa .repairSeekXrefMarker ();_bfed !=nil {_ecd .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_bfed );return nil ,_bfed ;};return _cgaa .parseXrefTable ();};

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


// Append appends PdfObject(s) to the streams.
func (_fcga *PdfObjectStreams )Append (objects ...PdfObject ){if _fcga ==nil {_ecd .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 ;};_fcga ._gedag =append (_fcga ._gedag ,objects ...);};

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_eddg Version ;_ccgbe _ae .ReadSeeker ;_affd *_ga .Reader ;_defe int64 ;_efdgc XrefTable ;_fefea int64 ;_ceae *xrefType ;_cafa objectStreams ;_gddgc *PdfObjectDictionary ;_geaef *PdfCrypt ;_ggggc *PdfIndirectObject ;_abcfc bool ;ObjCache objectCache ;
_bddbf map[int ]bool ;_ecegc map[int64 ]bool ;_bcdc ParserMetadata ;_adaa bool ;_abec []int64 ;_eecd int ;_fbgeb bool ;_gbcg int64 ;_fcedf map[*PdfParser ]*PdfParser ;_bdddd []*PdfParser ;};func _deac (_gab int )cryptFilters {return cryptFilters {_dbb :_bc .NewFilterV2 (_gab )}};


// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_ec .Model ;Bounds ()_ac .Rectangle ;At (_fecc ,_ffff int )_ec .Color ;Set (_bade ,_gebg int ,_bagg _ec .Color );};var _abbc =[]byte ("\u0030\u0031\u0032\u003345\u0036\u0037\u0038\u0039\u0061\u0062\u0063\u0064\u0065\u0066\u0041\u0042\u0043\u0044E\u0046");


// 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 )(_febab *PdfIndirectObject ,_bcfge bool ){obj =ResolveReference (obj );_febab ,_bcfge =obj .(*PdfIndirectObject );return _febab ,_bcfge ;};

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_fgdb *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_geaf :=encoded ;var _cgda error ;for _ ,_fcff :=range _fgdb ._degb {_ecd .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",_fcff ,_fcff );
_geaf ,_cgda =_fcff .DecodeBytes (_geaf );if _cgda !=nil {return nil ,_cgda ;};};return _geaf ,nil ;};const _cbab =10;func (_degf *PdfParser )repairSeekXrefMarker ()error {_bbed ,_dead :=_degf ._ccgbe .Seek (0,_ae .SeekEnd );if _dead !=nil {return _dead ;
};_fgac :=_fc .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");var _cegfg int64 ;var _cadc int64 =1000;for _cegfg < _bbed {if _bbed <=(_cadc +_cegfg ){_cadc =_bbed -_cegfg ;};_ ,_ggdf :=_degf ._ccgbe .Seek (-_cegfg -_cadc ,_ae .SeekEnd );if _ggdf !=nil {return _ggdf ;
};_acegg :=make ([]byte ,_cadc );_degf ._ccgbe .Read (_acegg );_ecd .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_acegg ));_aecac :=_fgac .FindAllStringIndex (string (_acegg ),-1);
if _aecac !=nil {_gcagf :=_aecac [len (_aecac )-1];_ecd .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_aecac );_degf ._ccgbe .Seek (-_cegfg -_cadc +int64 (_gcagf [0]),_ae .SeekEnd );_degf ._affd =_ga .NewReader (_degf ._ccgbe );for {_acba ,_dbffg :=_degf ._affd .Peek (1);
if _dbffg !=nil {return _dbffg ;};_ecd .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_acba [0],_acba [0]);if !IsWhiteSpace (_acba [0]){break ;};_degf ._affd .Discard (1);};return nil ;};_ecd .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");
_cegfg +=_cadc ;};_ecd .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 _f .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};func (_gdeb *PdfParser )parseLinearizedDictionary ()(*PdfObjectDictionary ,error ){_dfgc ,_dgebd :=_gdeb ._ccgbe .Seek (0,_ae .SeekEnd );if _dgebd !=nil {return nil ,_dgebd ;
};var _fddf int64 ;var _ffagb int64 =2048;for _fddf < _dfgc -4{if _dfgc <=(_ffagb +_fddf ){_ffagb =_dfgc -_fddf ;};_ ,_dgac :=_gdeb ._ccgbe .Seek (_fddf ,_ae .SeekStart );if _dgac !=nil {return nil ,_dgac ;};_efcac :=make ([]byte ,_ffagb );_ ,_dgac =_gdeb ._ccgbe .Read (_efcac );
if _dgac !=nil {return nil ,_dgac ;};_ecd .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 (_efcac ));
_bdae :=_gegg .FindAllStringIndex (string (_efcac ),-1);if _bdae !=nil {_abdd :=_bdae [0];_ecd .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_bdae );_ ,_fdbge :=_gdeb ._ccgbe .Seek (int64 (_abdd [0]),_ae .SeekStart );if _fdbge !=nil {return nil ,_fdbge ;
};_gdeb ._affd =_ga .NewReader (_gdeb ._ccgbe );_gbbbg ,_fdbge :=_gdeb .ParseIndirectObject ();if _fdbge !=nil {return nil ,nil ;};if _bfbgc ,_cdcag :=GetIndirect (_gbbbg );_cdcag {if _fafa ,_fgea :=GetDict (_bfbgc .PdfObject );_fgea {if _bdcad :=_fafa .Get ("\u004c\u0069\u006e\u0065\u0061\u0072\u0069\u007a\u0065\u0064");
_bdcad !=nil {return _fafa ,nil ;};return nil ,nil ;};};return nil ,nil ;};_fddf +=_ffagb -4;};return nil ,_f .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");
};

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

// SetImage sets the image base for given flate encoder.
func (_eaf *FlateEncoder )SetImage (img *_fcf .ImageBase ){_eaf ._bgba =img };

// Encode encodes previously prepare jbig2 document and stores it as the byte slice.
func (_gggfg *JBIG2Encoder )Encode ()(_bbbbg []byte ,_dffc error ){const _gfbc ="J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u002e\u0045\u006eco\u0064\u0065";if _gggfg ._gcdf ==nil {return nil ,_cd .Errorf (_gfbc ,"\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");
};_gggfg ._gcdf .FullHeaders =_gggfg .DefaultPageSettings .FileMode ;_bbbbg ,_dffc =_gggfg ._gcdf .Encode ();if _dffc !=nil {return nil ,_cd .Wrap (_dffc ,_gfbc ,"");};return _bbbbg ,nil ;};func (_ebgf *PdfParser )parseBool ()(PdfObjectBool ,error ){_cfad ,_adae :=_ebgf ._affd .Peek (4);
if _adae !=nil {return PdfObjectBool (false ),_adae ;};if (len (_cfad )>=4)&&(string (_cfad [:4])=="\u0074\u0072\u0075\u0065"){_ebgf ._affd .Discard (4);return PdfObjectBool (true ),nil ;};_cfad ,_adae =_ebgf ._affd .Peek (5);if _adae !=nil {return PdfObjectBool (false ),_adae ;
};if (len (_cfad )>=5)&&(string (_cfad [:5])=="\u0066\u0061\u006cs\u0065"){_ebgf ._affd .Discard (5);return PdfObjectBool (false ),nil ;};return PdfObjectBool (false ),_f .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");
};

// WriteString outputs the object as it is to be written to file.
func (_ccee *PdfObjectDictionary )WriteString ()string {var _adff _c .Builder ;_adff .WriteString ("\u003c\u003c");for _ ,_egedg :=range _ccee ._aeea {_egfb :=_ccee ._dbce [_egedg ];_adff .WriteString (_egedg .WriteString ());_adff .WriteString ("\u0020");
_adff .WriteString (_egfb .WriteString ());};_adff .WriteString ("\u003e\u003e");return _adff .String ();};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_gedd *MultiEncoder )MakeDecodeParams ()PdfObject {if len (_gedd ._degb )==0{return nil ;};if len (_gedd ._degb )==1{return _gedd ._degb [0].MakeDecodeParams ();};_fbc :=MakeArray ();_gdfd :=true ;for _ ,_bef :=range _gedd ._degb {_dccg :=_bef .MakeDecodeParams ();
if _dccg ==nil {_fbc .Append (MakeNull ());}else {_gdfd =false ;_fbc .Append (_dccg );};};if _gdfd {return nil ;};return _fbc ;};

// WriteString outputs the object as it is to be written to file.
func (_dccafg *PdfObjectNull )WriteString ()string {return "\u006e\u0075\u006c\u006c"};func _aefg (_egeg PdfObject ,_agde int )PdfObject {if _agde > _cbab {_ecd .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",_cbab );
return MakeNull ();};switch _cacc :=_egeg .(type ){case *PdfIndirectObject :_egeg =_aefg ((*_cacc ).PdfObject ,_agde +1);case *PdfObjectArray :for _eeef ,_eggf :=range (*_cacc )._egacc {(*_cacc )._egacc [_eeef ]=_aefg (_eggf ,_agde +1);};case *PdfObjectDictionary :for _ebgc ,_dafc :=range (*_cacc )._dbce {(*_cacc )._dbce [_ebgc ]=_aefg (_dafc ,_agde +1);
};_db .Slice ((*_cacc )._aeea ,func (_edgd ,_cgff int )bool {return (*_cacc )._aeea [_edgd ]< (*_cacc )._aeea [_cgff ]});};return _egeg ;};var _becgf =_fc .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");
var _edcdb =_fc .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");func (_acfb *PdfObjectDictionary )setWithLock (_bfge PdfObjectName ,_cdfd PdfObject ,_bcgd bool ){if _bcgd {_acfb ._gaae .Lock ();
defer _acfb ._gaae .Unlock ();};_ ,_faeea :=_acfb ._dbce [_bfge ];if !_faeea {_acfb ._aeea =append (_acfb ._aeea ,_bfge );};_acfb ._dbce [_bfge ]=_cdfd ;};

// ParseDict reads and parses a PDF dictionary object enclosed with '<<' and '>>'
func (_bgce *PdfParser )ParseDict ()(*PdfObjectDictionary ,error ){_ecd .Log .Trace ("\u0052\u0065\u0061\u0064\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020D\u0069\u0063\u0074\u0021");_efabb :=MakeDict ();_efabb ._gfabc =_bgce ;_edea ,_ :=_bgce ._affd .ReadByte ();
if _edea !='<'{return nil ,_f .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");};_edea ,_ =_bgce ._affd .ReadByte ();if _edea !='<'{return nil ,_f .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");
};for {_bgce .skipSpaces ();_bgce .skipComments ();_ceede ,_gde :=_bgce ._affd .Peek (2);if _gde !=nil {return nil ,_gde ;};_ecd .Log .Trace ("D\u0069c\u0074\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_ceede ),string (_ceede ));
if (_ceede [0]=='>')&&(_ceede [1]=='>'){_ecd .Log .Trace ("\u0045\u004f\u0046\u0020\u0064\u0069\u0063\u0074\u0069o\u006e\u0061\u0072\u0079");_bgce ._affd .ReadByte ();_bgce ._affd .ReadByte ();break ;};_ecd .Log .Trace ("\u0050a\u0072s\u0065\u0020\u0074\u0068\u0065\u0020\u006e\u0061\u006d\u0065\u0021");
_gcccg ,_gde :=_bgce .parseName ();_ecd .Log .Trace ("\u004be\u0079\u003a\u0020\u0025\u0073",_gcccg );if _gde !=nil {_ecd .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",_gde );
return nil ,_gde ;};if len (_gcccg )> 4&&_gcccg [len (_gcccg )-4:]=="\u006e\u0075\u006c\u006c"{_eeec :=_gcccg [0:len (_gcccg )-4];_ecd .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",_gcccg );
_ecd .Log .Debug ("\u004e\u0065\u0077\u0020ke\u0079\u0020\u0022\u0025\u0073\u0022\u0020\u003d\u0020\u006e\u0075\u006c\u006c",_eeec );_bgce .skipSpaces ();_eadc ,_ :=_bgce ._affd .Peek (1);if _eadc [0]=='/'{_efabb .Set (_eeec ,MakeNull ());continue ;};};
_bgce .skipSpaces ();_cccf ,_gde :=_bgce .parseObject ();if _gde !=nil {return nil ,_gde ;};_efabb .Set (_gcccg ,_cccf );if _ecd .Log .IsLogLevel (_ecd .LogLevelTrace ){_ecd .Log .Trace ("\u0064\u0069\u0063\u0074\u005b\u0025\u0073\u005d\u0020\u003d\u0020\u0025\u0073",_gcccg ,_cccf .String ());
};};_ecd .Log .Trace ("\u0072\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020\u0044\u0069\u0063\u0074\u0021");return _efabb ,nil ;};

// LookupByReference looks up a PdfObject by a reference.
func (_efe *PdfParser )LookupByReference (ref PdfObjectReference )(PdfObject ,error ){_ecd .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 _efe .LookupByNumber (int (ref .ObjectNumber ));
};func (_fdac *PdfParser )skipSpaces ()(int ,error ){_fagb :=0;for {_abeef ,_ggee :=_fdac ._affd .ReadByte ();if _ggee !=nil {return 0,_ggee ;};if IsWhiteSpace (_abeef ){_fagb ++;}else {_fdac ._affd .UnreadByte ();break ;};};return _fagb ,nil ;};func _geddc (_gfbf ,_ebge ,_bage uint8 )uint8 {_cdgdc :=int (_bage );
_dcaf :=int (_ebge )-_cdgdc ;_faee :=int (_gfbf )-_cdgdc ;_cdgdc =_bafgb (_dcaf +_faee );_dcaf =_bafgb (_dcaf );_faee =_bafgb (_faee );if _dcaf <=_faee &&_dcaf <=_cdgdc {return _gfbf ;}else if _faee <=_cdgdc {return _ebge ;};return _bage ;};

// String returns a string describing `d`.
func (_cbcg *PdfObjectDictionary )String ()string {var _dcde _c .Builder ;_dcde .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_gggee :=range _cbcg ._aeea {_gbab :=_cbcg ._dbce [_gggee ];_dcde .WriteString ("\u0022"+_gggee .String ()+"\u0022\u003a\u0020");
_dcde .WriteString (_gbab .String ());_dcde .WriteString ("\u002c\u0020");};_dcde .WriteString ("\u0029");return _dcde .String ();};

// 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 )(_egcg *PdfObjectName ,_cebgb bool ){_egcg ,_cebgb =TraceToDirectObject (obj ).(*PdfObjectName );return _egcg ,_cebgb ;};

// 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 (_febd *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _ggbf ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _febd .ColorComponents !=1||_febd .BitsPerComponent !=1{return nil ,_cd .Errorf (_ggbf ,"\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 (_gebd *_df .Bitmap ;_fbac error ;);_bdcf :=(_febd .Width *_febd .Height )==len (data );if _bdcf {_gebd ,_fbac =_df .NewWithUnpaddedData (_febd .Width ,_febd .Height ,data );}else {_gebd ,_fbac =_df .NewWithData (_febd .Width ,_febd .Height ,data );
};if _fbac !=nil {return nil ,_fbac ;};_bgdc :=_febd .DefaultPageSettings ;if _fbac =_bgdc .Validate ();_fbac !=nil {return nil ,_cd .Wrap (_fbac ,_ggbf ,"");};if _febd ._gcdf ==nil {_febd ._gcdf =_cb .InitEncodeDocument (_bgdc .FileMode );};switch _bgdc .Compression {case JB2Generic :if _fbac =_febd ._gcdf .AddGenericPage (_gebd ,_bgdc .DuplicatedLinesRemoval );
_fbac !=nil {return nil ,_cd .Wrap (_fbac ,_ggbf ,"");};case JB2SymbolCorrelation :return nil ,_cd .Error (_ggbf ,"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 ,_cd .Error (_ggbf ,"\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 ,_cd .Error (_ggbf ,"\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 _febd .Encode ();};

// Read implementation of Read interface.
func (_becf *limitedReadSeeker )Read (p []byte )(_ebce int ,_eedg error ){_bgdg ,_eedg :=_becf ._fbge .Seek (0,_ae .SeekCurrent );if _eedg !=nil {return 0,_eedg ;};_eefa :=_becf ._bfgb -_bgdg ;if _eefa ==0{return 0,_ae .EOF ;};if _acab :=int64 (len (p ));
_acab < _eefa {_eefa =_acab ;};_fcbeb :=make ([]byte ,_eefa );_ebce ,_eedg =_becf ._fbge .Read (_fcbeb );copy (p ,_fcbeb );return _ebce ,_eedg ;};

// 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 )(_ddda string ,_aggf bool ){_gcccb ,_aggf :=TraceToDirectObject (obj ).(*PdfObjectName );if _aggf {return string (*_gcccb ),true ;};return ;};

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

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_ecbg :=_fb .NewReader ([]byte (txt ));_daaa :=&PdfParser {ObjCache :objectCache {},_ccgbe :_ecbg ,_affd :_ga .NewReader (_ecbg ),_defe :int64 (len (txt )),_ecegc :map[int64 ]bool {},_fcedf :make (map[*PdfParser ]*PdfParser )};
_daaa ._efdgc .ObjectMap =make (map[int ]XrefObject );return _daaa ;};func (_fffbf *JBIG2Image )toBitmap ()(_afaed *_df .Bitmap ,_gdbe error ){const _cdgg ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";
if _fffbf .Data ==nil {return nil ,_cd .Error (_cdgg ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");};if _fffbf .Width ==0||_fffbf .Height ==0{return nil ,_cd .Error (_cdgg ,"\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 _fffbf .HasPadding {_afaed ,_gdbe =_df .NewWithData (_fffbf .Width ,_fffbf .Height ,_fffbf .Data );}else {_afaed ,_gdbe =_df .NewWithUnpaddedData (_fffbf .Width ,_fffbf .Height ,_fffbf .Data );};if _gdbe !=nil {return nil ,_cd .Wrap (_gdbe ,_cdgg ,"");
};return _afaed ,nil ;};

// 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 _ggdd ,_cdggc :=obj .(*PdfObjectReference );_cdggc {obj =_ggdd .Resolve ();};_bbcc ,_ecbee :=obj .(*PdfIndirectObject );_ebeg :=0;for _ecbee {obj =_bbcc .PdfObject ;_bbcc ,_ecbee =GetIndirect (obj );
_ebeg ++;if _ebeg > _cbab {_ecd .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",_cbab );
return nil ;};};return obj ;};

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

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

// WriteString outputs the object as it is to be written to file.
func (_addf *PdfObjectStreams )WriteString ()string {var _bdbg _c .Builder ;_bdbg .WriteString (_bf .FormatInt (_addf .ObjectNumber ,10));_bdbg .WriteString ("\u0020\u0030\u0020\u0052");return _bdbg .String ();};func (_ceef *PdfCrypt )decryptBytes (_bfa []byte ,_ggaf string ,_cdc []byte )([]byte ,error ){_ecd .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_bcbe ,_dbd :=_ceef ._bgbe [_ggaf ];if !_dbd {return nil ,_daa .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_ggaf );};return _bcbe .DecryptBytes (_bfa ,_cdc );};

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

// HasInvalidSeparationAfterXRef implements core.ParserMetadata interface.
func (_aafc ParserMetadata )HasInvalidSeparationAfterXRef ()bool {return _aafc ._bad };

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

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

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

// PdfObjectInteger represents the primitive PDF integer numerical object.
type PdfObjectInteger int64 ;func _cccg (_dcfg *PdfObjectStream ,_faae *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _fgbd ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";
_feab :=NewJBIG2Encoder ();_add :=_dcfg .PdfObjectDictionary ;if _add ==nil {return _feab ,nil ;};if _faae ==nil {_afcf :=_add .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _afcf !=nil {switch _dgeea :=_afcf .(type ){case *PdfObjectDictionary :_faae =_dgeea ;
case *PdfObjectArray :if _dgeea .Len ()==1{if _fgcf ,_egdd :=GetDict (_dgeea .Get (0));_egdd {_faae =_fgcf ;};};default:_ecd .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",_afcf );
return nil ,_cd .Errorf (_fgbd ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_dgeea );};};};if _faae ==nil {return _feab ,nil ;};_feab .UpdateParams (_faae );
_agcg ,_cgag :=GetStream (_faae .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_cgag {return _feab ,nil ;};var _egac error ;_feab .Globals ,_egac =_eb .DecodeGlobals (_agcg .Stream );if _egac !=nil {_egac =_cd .Wrap (_egac ,_fgbd ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_ecd .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_egac );return nil ,_egac ;};return _feab ,nil ;};

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

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

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

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_cfd *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_fed ,_fee :=obj .(*PdfObjectReference );if !_fee {return obj ,nil ;};_dea :=_cfd .GetFileOffset ();defer func (){_cfd .SetFileOffset (_dea )}();_fbf ,_bcb :=_cfd .LookupByReference (*_fed );
if _bcb !=nil {return nil ,_bcb ;};_fda ,_dacd :=_fbf .(*PdfIndirectObject );if !_dacd {return _fbf ,nil ;};_fbf =_fda .PdfObject ;_ ,_fee =_fbf .(*PdfObjectReference );if _fee {return _fda ,_f .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 _fbf ,nil ;};

// String returns the state of the bool as "true" or "false".
func (_babd *PdfObjectBool )String ()string {if *_babd {return "\u0074\u0072\u0075\u0065";};return "\u0066\u0061\u006cs\u0065";};func (_beefc *PdfParser )checkPostEOFData ()error {const _dcea ="\u0025\u0025\u0045O\u0046";_ ,_cdea :=_beefc ._ccgbe .Seek (-int64 (len ([]byte (_dcea )))-1,_ae .SeekEnd );
if _cdea !=nil {return _cdea ;};_afeg :=make ([]byte ,len ([]byte (_dcea ))+1);_ ,_cdea =_beefc ._ccgbe .Read (_afeg );if _cdea !=nil {if _cdea !=_ae .EOF {return _cdea ;};};if string (_afeg )==_dcea ||string (_afeg )==_dcea +"\u000a"{_beefc ._bcdc ._bgg =true ;
};return nil ;};

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

// 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 *_ga .Reader )(PdfObject ,error ){_dbefe :=false ;_gfadd :=true ;var _eagga _fb .Buffer ;for {if _ecd .Log .IsLogLevel (_ecd .LogLevelTrace ){_ecd .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_eagga .String ());
};_adda ,_cbbdc :=buf .Peek (1);if _cbbdc ==_ae .EOF {break ;};if _cbbdc !=nil {_ecd .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_cbbdc );return nil ,_cbbdc ;};if _gfadd &&(_adda [0]=='-'||_adda [0]=='+'){_gfafa ,_ :=buf .ReadByte ();
_eagga .WriteByte (_gfafa );_gfadd =false ;}else if IsDecimalDigit (_adda [0]){_abgeba ,_ :=buf .ReadByte ();_eagga .WriteByte (_abgeba );}else if _adda [0]=='.'{_agbca ,_ :=buf .ReadByte ();_eagga .WriteByte (_agbca );_dbefe =true ;}else if _adda [0]=='e'||_adda [0]=='E'{_caggg ,_ :=buf .ReadByte ();
_eagga .WriteByte (_caggg );_dbefe =true ;_gfadd =true ;}else {break ;};};var _acdg PdfObject ;if _dbefe {_cgdfa ,_efcd :=_bf .ParseFloat (_eagga .String (),64);if _efcd !=nil {_ecd .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",_eagga .String (),_efcd );
_cgdfa =0.0;};_gbcee :=PdfObjectFloat (_cgdfa );_acdg =&_gbcee ;}else {_afde ,_bgcbf :=_bf .ParseInt (_eagga .String (),10,64);if _bgcbf !=nil {_ecd .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",_eagga .String (),_bgcbf );
_afde =0;};_ffbba :=PdfObjectInteger (_afde );_acdg =&_ffbba ;};return _acdg ,nil ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_eeed *ASCII85Encoder )MakeDecodeParams ()PdfObject {return nil };func (_aagda *PdfParser )rebuildXrefTable ()error {_eabg :=XrefTable {};_eabg .ObjectMap =map[int ]XrefObject {};_eadb :=make ([]int ,0,len (_aagda ._efdgc .ObjectMap ));for _cdccbd :=range _aagda ._efdgc .ObjectMap {_eadb =append (_eadb ,_cdccbd );
};_db .Ints (_eadb );for _ ,_afbe :=range _eadb {_eaac :=_aagda ._efdgc .ObjectMap [_afbe ];_abgga ,_ ,_fgde :=_aagda .lookupByNumberWrapper (_afbe ,false );if _fgde !=nil {_ecd .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",_fgde );
_ecd .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");
_bafd ,_faefa :=_aagda .repairRebuildXrefsTopDown ();if _faefa !=nil {_ecd .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",_faefa );
return _faefa ;};_aagda ._efdgc =*_bafd ;_ecd .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_cfbag ,_aabcc ,_fgde :=_fa (_abgga );if _fgde !=nil {return _fgde ;
};_eaac .ObjectNumber =int (_cfbag );_eaac .Generation =int (_aabcc );_eabg .ObjectMap [int (_cfbag )]=_eaac ;};_aagda ._efdgc =_eabg ;_ecd .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");
_dg (_aagda ._efdgc );return nil ;};

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_afda []float64 ,_gfdgb error ){for _ ,_cbfef :=range objects {_cbeb ,_gcdae :=GetNumberAsFloat (_cbfef );if _gcdae !=nil {return nil ,_gcdae ;};_afda =append (_afda ,_cbeb );};return _afda ,nil ;};

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

// For predictors
Columns int ;Rows int ;Colors int ;_bgba *_fcf .ImageBase ;};

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

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

// MakeHexString creates an PdfObjectString from a string intended for output as a hexadecimal string.
func MakeHexString (s string )*PdfObjectString {_feade :=PdfObjectString {_cceg :s ,_eecb :true };return &_feade ;};func (_adc *PdfCrypt )makeKey (_gce string ,_acd ,_bdba uint32 ,_bffd []byte )([]byte ,error ){_ddab ,_dfb :=_adc ._bgbe [_gce ];if !_dfb {return nil ,_daa .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_gce );
};return _ddab .MakeKey (_acd ,_bdba ,_bffd );};

// DecodeGlobals decodes 'encoded' byte stream and returns their Globally defined segments ('Globals').
func (_cffa *JBIG2Encoder )DecodeGlobals (encoded []byte )(_eb .Globals ,error ){return _eb .DecodeGlobals (encoded );};type objectStreams map[int ]objectStream ;

// Elements returns a slice of the PdfObject elements in the array.
func (_fcaad *PdfObjectArray )Elements ()[]PdfObject {if _fcaad ==nil {return nil ;};return _fcaad ._egacc ;};func _ecfa (_gdg *PdfObjectStream ,_bac *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;};

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

// NewLZWEncoder makes a new LZW encoder with default parameters.
func NewLZWEncoder ()*LZWEncoder {_aeaf :=&LZWEncoder {};_aeaf .Predictor =1;_aeaf .BitsPerComponent =8;_aeaf .Colors =1;_aeaf .Columns =1;_aeaf .EarlyChange =1;return _aeaf ;};func (_ccdd *PdfParser )skipComments ()error {if _ ,_fefab :=_ccdd .skipSpaces ();
_fefab !=nil {return _fefab ;};_gdff :=true ;for {_bfce ,_bfdg :=_ccdd ._affd .Peek (1);if _bfdg !=nil {_ecd .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_bfdg .Error ());return _bfdg ;};if _gdff &&_bfce [0]!='%'{return nil ;};_gdff =false ;
if (_bfce [0]!='\r')&&(_bfce [0]!='\n'){_ccdd ._affd .ReadByte ();}else {break ;};};return _ccdd .skipComments ();};

// EncodeBytes encodes data into ASCII85 encoded format.
func (_gacg *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _fdf _fb .Buffer ;for _cgdb :=0;_cgdb < len (data );_cgdb +=4{_dbg :=data [_cgdb ];_eaae :=1;_gddg :=byte (0);if _cgdb +1< len (data ){_gddg =data [_cgdb +1];_eaae ++;};_aaee :=byte (0);
if _cgdb +2< len (data ){_aaee =data [_cgdb +2];_eaae ++;};_efbf :=byte (0);if _cgdb +3< len (data ){_efbf =data [_cgdb +3];_eaae ++;};_cffc :=(uint32 (_dbg )<<24)|(uint32 (_gddg )<<16)|(uint32 (_aaee )<<8)|uint32 (_efbf );if _cffc ==0{_fdf .WriteByte ('z');
}else {_fdgf :=_gacg .base256Tobase85 (_cffc );for _ ,_dbaf :=range _fdgf [:_eaae +1]{_fdf .WriteByte (_dbaf +'!');};};};_fdf .WriteString ("\u007e\u003e");return _fdf .Bytes (),nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_gege *ASCIIHexEncoder )MakeStreamDict ()*PdfObjectDictionary {_gfa :=MakeDict ();_gfa .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_gege .GetFilterName ()));return _gfa ;};type objectCache map[int ]PdfObject ;

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

// 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 )(_bdeb int ,_dfgaa bool ){_bdaed ,_dfgaa :=TraceToDirectObject (obj ).(*PdfObjectInteger );if _dfgaa &&_bdaed !=nil {return int (*_bdaed ),true ;};return 0,false ;};

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

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

// 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 (_egga *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _bgbf []int64 ;for _ ,_ebddf :=range _egga .Elements (){if _dfbc ,_cdffd :=_ebddf .(*PdfObjectInteger );_cdffd {_bgbf =append (_bgbf ,int64 (*_dfbc ));}else {return nil ,ErrTypeError ;};
};return _bgbf ,nil ;};func _bafg (_cdd _ae .ReadSeeker ,_aff int64 )(*limitedReadSeeker ,error ){_ ,_fdaf :=_cdd .Seek (0,_ae .SeekStart );if _fdaf !=nil {return nil ,_fdaf ;};return &limitedReadSeeker {_fbge :_cdd ,_bfgb :_aff },nil ;};

// MakeIndirectObject creates an PdfIndirectObject with a specified direct object PdfObject.
func MakeIndirectObject (obj PdfObject )*PdfIndirectObject {_caad :=&PdfIndirectObject {};_caad .PdfObject =obj ;return _caad ;};var _aaag =_f .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");

// GetFilterName returns the name of the encoding filter.
func (_gggf *LZWEncoder )GetFilterName ()string {return StreamEncodingFilterNameLZW };type cryptFilters map[string ]_bc .Filter ;

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

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

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

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

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

// HasInvalidHexRunes implements core.ParserMetadata interface.
func (_aeb ParserMetadata )HasInvalidHexRunes ()bool {return _aeb ._gagg };func _afgg (_ggfc ,_dcee ,_beedf int )error {if _dcee < 0||_dcee > _ggfc {return _f .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 _beedf < _dcee {return _f .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0073\u006c\u0069\u0063e\u0020i\u006ed\u0065\u0078\u0020\u0062\u0020\u003c\u0020a");};if _beedf > _ggfc {return _f .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 ;};func (_cbc *PdfParser )lookupByNumber (_ba int ,_def bool )(PdfObject ,bool ,error ){_cee ,_bgf :=_cbc .ObjCache [_ba ];if _bgf {_ecd .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",_ba );
return _cee ,false ,nil ;};if _cbc ._bddbf ==nil {_cbc ._bddbf =map[int ]bool {};};if _cbc ._bddbf [_ba ]{_ecd .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",_ba );
return nil ,false ,_f .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");};_cbc ._bddbf [_ba ]=true ;defer delete (_cbc ._bddbf ,_ba );
_dac ,_bgf :=_cbc ._efdgc .ObjectMap [_ba ];if !_bgf {_ecd .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 _ege PdfObjectNull ;return &_ege ,false ,nil ;};_ecd .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_ba );if _dac .XType ==XrefTypeTableEntry {_ecd .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_dac .ObjectNumber );
_ecd .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_dac .Generation );_ecd .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_dac .Offset );
_cbc ._ccgbe .Seek (_dac .Offset ,_ae .SeekStart );_cbc ._affd =_ga .NewReader (_cbc ._ccgbe );_ef ,_fdd :=_cbc .ParseIndirectObject ();if _fdd !=nil {_ecd .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",_fdd );
if _def {_ecd .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");_cg ,_gdb :=_cbc .repairRebuildXrefsTopDown ();
if _gdb !=nil {_ecd .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_gdb );return nil ,false ,_gdb ;};_cbc ._efdgc =*_cg ;return _cbc .lookupByNumber (_ba ,false );
};return nil ,false ,_fdd ;};if _def {_aeg ,_ ,_ :=_fa (_ef );if int (_aeg )!=_ba {_ecd .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_beb :=_cbc .rebuildXrefTable ();
if _beb !=nil {return nil ,false ,_beb ;};_cbc .ObjCache =objectCache {};return _cbc .lookupByNumberWrapper (_ba ,false );};};_ecd .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_cbc .ObjCache [_ba ]=_ef ;
return _ef ,false ,nil ;}else if _dac .XType ==XrefTypeObjectStream {_ecd .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_ecd .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_ecd .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",_dac .OsObjNumber ,_dac .OsObjIndex );
if _dac .OsObjNumber ==_ba {_ecd .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 ,_f .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_dafg :=_cbc ._efdgc .ObjectMap [_dac .OsObjNumber ];_dafg {_cdg ,_dcb :=_cbc .lookupObjectViaOS (_dac .OsObjNumber ,_ba );if _dcb !=nil {_ecd .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_dcb );
return nil ,true ,_dcb ;};_ecd .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_cbc .ObjCache [_ba ]=_cdg ;if _cbc ._geaef !=nil {_cbc ._geaef ._cgb [_cdg ]=true ;};return _cdg ,true ,nil ;};_ecd .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 ,_f .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 ,_f .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

// 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 (_ebbc *PdfObjectString )Str ()string {return _ebbc ._cceg };func _edcg (_bbccg PdfObject ,_ebea int ,_efae map[PdfObject ]struct{})error {_ecd .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",_ebea );
if _ ,_aacbg :=_efae [_bbccg ];_aacbg {_ecd .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_efae [_bbccg ]=struct{}{};switch _fcdc :=_bbccg .(type ){case *PdfIndirectObject :_defcf :=_fcdc ;
_ecd .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_defcf );_ecd .Log .Trace ("\u002d\u0020\u0025\u0073",_defcf .PdfObject );return _edcg (_defcf .PdfObject ,_ebea +1,_efae );case *PdfObjectStream :_ggec :=_fcdc ;return _edcg (_ggec .PdfObjectDictionary ,_ebea +1,_efae );
case *PdfObjectDictionary :_ebeee :=_fcdc ;_ecd .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_ebeee );for _ ,_fbea :=range _ebeee .Keys (){_afgeg :=_ebeee .Get (_fbea );if _gbba ,_cged :=_afgeg .(*PdfObjectReference );_cged {_babgg :=_gbba .Resolve ();
_ebeee .Set (_fbea ,_babgg );_gggfd :=_edcg (_babgg ,_ebea +1,_efae );if _gggfd !=nil {return _gggfd ;};}else {_afecg :=_edcg (_afgeg ,_ebea +1,_efae );if _afecg !=nil {return _afecg ;};};};return nil ;case *PdfObjectArray :_cdfa :=_fcdc ;_ecd .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_cdfa );
for _bbaf ,_daefc :=range _cdfa .Elements (){if _gbfb ,_aegec :=_daefc .(*PdfObjectReference );_aegec {_ffed :=_gbfb .Resolve ();_cdfa .Set (_bbaf ,_ffed );_abcfe :=_edcg (_ffed ,_ebea +1,_efae );if _abcfe !=nil {return _abcfe ;};}else {_ffbb :=_edcg (_daefc ,_ebea +1,_efae );
if _ffbb !=nil {return _ffbb ;};};};return nil ;case *PdfObjectReference :_ecd .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 _f .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};return nil ;};

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

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_efcfa *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_ebda :=_fb .NewReader (data );var _abdad []byte ;var _gfgf []byte ;_aacb ,_dcba :=_ebda .ReadByte ();if _dcba ==_ae .EOF {return []byte {},nil ;}else if _dcba !=nil {return nil ,_dcba ;
};_ddg :=1;for {_agb ,_cef :=_ebda .ReadByte ();if _cef ==_ae .EOF {break ;}else if _cef !=nil {return nil ,_cef ;};if _agb ==_aacb {if len (_gfgf )> 0{_gfgf =_gfgf [:len (_gfgf )-1];if len (_gfgf )> 0{_abdad =append (_abdad ,byte (len (_gfgf )-1));_abdad =append (_abdad ,_gfgf ...);
};_ddg =1;_gfgf =[]byte {};};_ddg ++;if _ddg >=127{_abdad =append (_abdad ,byte (257-_ddg ),_aacb );_ddg =0;};}else {if _ddg > 0{if _ddg ==1{_gfgf =[]byte {_aacb };}else {_abdad =append (_abdad ,byte (257-_ddg ),_aacb );};_ddg =0;};_gfgf =append (_gfgf ,_agb );
if len (_gfgf )>=127{_abdad =append (_abdad ,byte (len (_gfgf )-1));_abdad =append (_abdad ,_gfgf ...);_gfgf =[]byte {};};};_aacb =_agb ;};if len (_gfgf )> 0{_abdad =append (_abdad ,byte (len (_gfgf )-1));_abdad =append (_abdad ,_gfgf ...);}else if _ddg > 0{_abdad =append (_abdad ,byte (257-_ddg ),_aacb );
};_abdad =append (_abdad ,128);return _abdad ,nil ;};

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

// Seek implementation of Seek interface.
func (_cbgga *limitedReadSeeker )Seek (offset int64 ,whence int )(int64 ,error ){var _dgdb int64 ;switch whence {case _ae .SeekStart :_dgdb =offset ;case _ae .SeekCurrent :_gbgab ,_ffdbc :=_cbgga ._fbge .Seek (0,_ae .SeekCurrent );if _ffdbc !=nil {return 0,_ffdbc ;
};_dgdb =_gbgab +offset ;case _ae .SeekEnd :_dgdb =_cbgga ._bfgb +offset ;};if _cbbf :=_cbgga .getError (_dgdb );_cbbf !=nil {return 0,_cbbf ;};if _ ,_geae :=_cbgga ._fbge .Seek (_dgdb ,_ae .SeekStart );_geae !=nil {return 0,_geae ;};return _dgdb ,nil ;
};

// Set sets the PdfObject at index i of the streams. An error is returned if the index is outside bounds.
func (_baec *PdfObjectStreams )Set (i int ,obj PdfObject )error {if i < 0||i >=len (_baec ._gedag ){return _f .New ("\u004f\u0075\u0074\u0073\u0069\u0064\u0065\u0020\u0062o\u0075\u006e\u0064\u0073");};_baec ._gedag [i ]=obj ;return 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 )(_cafaf bool ,_fbgb bool ){_bdgb ,_fbgb :=TraceToDirectObject (obj ).(*PdfObjectBool );if _fbgb {return bool (*_bdgb ),true ;};return false ,false ;};

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_dbce map[PdfObjectName ]PdfObject ;_aeea []PdfObjectName ;_gaae *_d .Mutex ;_gfabc *PdfParser ;};

// ParserMetadata gets the pdf parser metadata.
func (_aac *PdfParser )ParserMetadata ()(ParserMetadata ,error ){if !_aac ._adaa {return ParserMetadata {},_daa .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 _aac ._bcdc ,nil ;};func (_dcd *PdfCrypt )loadCryptFilters (_ccfd *PdfObjectDictionary )error {_dcd ._bgbe =cryptFilters {};_aec :=_ccfd .Get ("\u0043\u0046");_aec =TraceToDirectObject (_aec );if _ecg ,_baa :=_aec .(*PdfObjectReference );_baa {_dde ,_bge :=_dcd ._ebec .LookupByReference (*_ecg );
if _bge !=nil {_ecd .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 _bge ;};_aec =TraceToDirectObject (_dde );};_eeg ,_bbb :=_aec .(*PdfObjectDictionary );
if !_bbb {_ecd .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_aec );return _f .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");};for _ ,_dge :=range _eeg .Keys (){_bdb :=_eeg .Get (_dge );
if _bbcb ,_ggb :=_bdb .(*PdfObjectReference );_ggb {_ge ,_ecdc :=_dcd ._ebec .LookupByReference (*_bbcb );if _ecdc !=nil {_ecd .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 _ecdc ;};_bdb =TraceToDirectObject (_ge );};_bdcb ,_baae :=_bdb .(*PdfObjectDictionary );if !_baae {return _daa .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",_dge ,_bdb );
};if _dge =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_ecd .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 _adf _bc .FilterDict ;if _cecd :=_cfbb (&_adf ,_bdcb );_cecd !=nil {return _cecd ;};_efc ,_dcc :=_bc .NewFilter (_adf );if _dcc !=nil {return _dcc ;};_dcd ._bgbe [string (_dge )]=_efc ;};_dcd ._bgbe ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_bc .NewIdentity ();
_dcd ._ffd ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _dfeg ,_aga :=_ccfd .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_aga {if _ ,_gbbd :=_dcd ._bgbe [string (*_dfeg )];!_gbbd {return _daa .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",*_dfeg );
};_dcd ._ffd =string (*_dfeg );};_dcd ._gfd ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _bdd ,_ebf :=_ccfd .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_ebf {if _ ,_cae :=_dcd ._bgbe [string (*_bdd )];!_cae {return _daa .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",*_bdd );
};_dcd ._gfd =string (*_bdd );};return nil ;};

// GetRevision returns PdfParser for the specific version of the Pdf document.
func (_accaf *PdfParser )GetRevision (revisionNumber int )(*PdfParser ,error ){_gaebc :=_accaf ._eecd ;if _gaebc ==revisionNumber {return _accaf ,nil ;};if _gaebc < revisionNumber {return nil ,_f .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 _accaf ._bdddd [revisionNumber ]!=nil {return _accaf ._bdddd [revisionNumber ],nil ;};_dfa :=_accaf ;for ;_gaebc > revisionNumber ;_gaebc --{_gcab ,_bfgf :=_dfa .GetPreviousRevisionParser ();if _bfgf !=nil {return nil ,_bfgf ;};_accaf ._bdddd [_gaebc -1]=_gcab ;
_accaf ._fcedf [_dfa ]=_gcab ;_dfa =_gcab ;};return _dfa ,nil ;};

// 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 (_dgfa *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_bcg :=_fb .NewReader (encoded );var _dgbf []byte ;for {_aedc ,_cgfc :=_bcg .ReadByte ();if _cgfc !=nil {return nil ,_cgfc ;};if _aedc > 128{_egaf ,_gbga :=_bcg .ReadByte ();if _gbga !=nil {return nil ,_gbga ;
};for _abee :=0;_abee < 257-int (_aedc );_abee ++{_dgbf =append (_dgbf ,_egaf );};}else if _aedc < 128{for _bcfc :=0;_bcfc < int (_aedc )+1;_bcfc ++{_dedb ,_bcbee :=_bcg .ReadByte ();if _bcbee !=nil {return nil ,_bcbee ;};_dgbf =append (_dgbf ,_dedb );
};}else {break ;};};return _dgbf ,nil ;};

// 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 ;};func (_fdfc *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_fdfc ._ccgbe .Seek (0,_ae .SeekStart );_fdfc ._affd =_ga .NewReader (_fdfc ._ccgbe );_cacg :=20;_dfgd :=make ([]byte ,_cacg );for {_fffdb ,_fbef :=_fdfc ._affd .ReadByte ();
if _fbef !=nil {if _fbef ==_ae .EOF {break ;}else {return 0,0,_fbef ;};};if IsDecimalDigit (_fffdb )&&_dfgd [_cacg -1]=='.'&&IsDecimalDigit (_dfgd [_cacg -2])&&_dfgd [_cacg -3]=='-'&&_dfgd [_cacg -4]=='F'&&_dfgd [_cacg -5]=='D'&&_dfgd [_cacg -6]=='P'{_ddaee :=int (_dfgd [_cacg -2]-'0');
_debdb :=int (_fffdb -'0');return _ddaee ,_debdb ,nil ;};_dfgd =append (_dfgd [1:_cacg ],_fffdb );};return 0,0,_f .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};

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

// 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 (_bfca *JBIG2Encoder )DecodeImages (encoded []byte )([]_ac .Image ,error ){const _daac ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_feccc ,_gafe :=_ag .Decode (encoded ,_ag .Parameters {},_bfca .Globals .ToDocumentGlobals ());
if _gafe !=nil {return nil ,_cd .Wrap (_gafe ,_daac ,"");};_aefb ,_gafe :=_feccc .PageNumber ();if _gafe !=nil {return nil ,_cd .Wrap (_gafe ,_daac ,"");};_bgecd :=[]_ac .Image {};var _ddaaf _ac .Image ;for _bebd :=1;_bebd <=_aefb ;_bebd ++{_ddaaf ,_gafe =_feccc .DecodePageImage (_bebd );
if _gafe !=nil {return nil ,_cd .Wrapf (_gafe ,_daac ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_bebd );};_bgecd =append (_bgecd ,_ddaaf );};return _bgecd ,nil ;};

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

// 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 ;_fbb []XrefObject ;};

// 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 (_cdfbf *PdfObjectArray )ToFloat64Array ()([]float64 ,error ){var _ggeed []float64 ;for _ ,_dccaf :=range _cdfbf .Elements (){switch _gffb :=_dccaf .(type ){case *PdfObjectInteger :_ggeed =append (_ggeed ,float64 (*_gffb ));case *PdfObjectFloat :_ggeed =append (_ggeed ,float64 (*_gffb ));
default:return nil ,ErrTypeError ;};};return _ggeed ,nil ;};func (_abgc *PdfObjectFloat )String ()string {return _daa .Sprintf ("\u0025\u0066",*_abgc )};

// 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 (_agbg *PdfParser )Decrypt (password []byte )(bool ,error ){if _agbg ._geaef ==nil {return false ,_f .New ("\u0063\u0068\u0065\u0063k \u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0069\u006f\u006e\u0020\u0066\u0069\u0072s\u0074");};_gefc ,_bbba :=_agbg ._geaef .authenticate (password );
if _bbba !=nil {return false ,_bbba ;};if !_gefc {_gefc ,_bbba =_agbg ._geaef .authenticate ([]byte (""));};return _gefc ,_bbba ;};

// 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 _ccad _fb .Buffer ;_ccad .Write ([]byte {0xFE,0xFF});_ccad .WriteString (_ce .StringToUTF16 (s ));return &PdfObjectString {_cceg :_ccad .String (),_eecb :true };};return &PdfObjectString {_cceg :string (_ce .StringToPDFDocEncoding (s )),_eecb :false };
};

// GetFilterName returns the name of the encoding filter.
func (_fbbb *RunLengthEncoder )GetFilterName ()string {return StreamEncodingFilterNameRunLength };const _dbb ="\u0053\u0074\u0064C\u0046";var _fbae =_fc .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");

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

// 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 )(_afeb *PdfObjectInteger ,_bfbb bool ){_afeb ,_bfbb =TraceToDirectObject (obj ).(*PdfObjectInteger );return _afeb ,_bfbb ;};

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

// MakeDict creates and returns an empty PdfObjectDictionary.
func MakeDict ()*PdfObjectDictionary {_gbgd :=&PdfObjectDictionary {};_gbgd ._dbce =map[PdfObjectName ]PdfObject {};_gbgd ._aeea =[]PdfObjectName {};_gbgd ._gaae =&_d .Mutex {};return _gbgd ;};func _gdcag (_febce string )(int ,int ,error ){_beab :=_gegg .FindStringSubmatch (_febce );
if len (_beab )< 3{return 0,0,_f .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");
};_ecbef ,_ :=_bf .Atoi (_beab [1]);_ebcbd ,_ :=_bf .Atoi (_beab [2]);return _ecbef ,_ebcbd ,nil ;};

// 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 (_dggf *MultiEncoder )GetFilterName ()string {_ccda :="";for _baad ,_dga :=range _dggf ._degb {_ccda +=_dga .GetFilterName ();if _baad < len (_dggf ._degb )-1{_ccda +="\u0020";};};return _ccda ;};

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

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

// 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 )(_efgef string ,_acce bool ){_ebacec ,_acce :=TraceToDirectObject (obj ).(*PdfObjectString );if _acce {return _ebacec .Str (),true ;};return ;};

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_ccdc :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _ccdc ==nil {return NewRawEncoder (),nil ;};if _ ,_gfbcg :=_ccdc .(*PdfObjectNull );
_gfbcg {return NewRawEncoder (),nil ;};_dbbgb ,_dbec :=_ccdc .(*PdfObjectName );if !_dbec {_eedf ,_eagef :=_ccdc .(*PdfObjectArray );if !_eagef {return nil ,_daa .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 _eedf .Len ()==0{return NewRawEncoder (),nil ;};if _eedf .Len ()!=1{_aeaae ,_ebab :=_gbae (streamObj );if _ebab !=nil {_ecd .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",_ebab );
return nil ,_ebab ;};_ecd .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_aeaae );return _aeaae ,nil ;};_ccdc =_eedf .Get (0);_dbbgb ,_eagef =_ccdc .(*PdfObjectName );if !_eagef {return nil ,_daa .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 _eggad ,_fcgc :=_dgff .Load (_dbbgb .String ());_fcgc {return _eggad .(StreamEncoder ),nil ;};switch *_dbbgb {case StreamEncodingFilterNameFlate :return _dfg (streamObj ,nil );case StreamEncodingFilterNameLZW :return _dacdg (streamObj ,nil );case StreamEncodingFilterNameDCT :return _efea (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _ecfa (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _cfe (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _cccg (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_ecd .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 ,_daa .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",*_dbbgb );};

// ASCII85Encoder implements ASCII85 encoder/decoder.
type ASCII85Encoder struct{};func _agf (_ddae _bc .Filter ,_bcae _fg .AuthEvent )*PdfObjectDictionary {if _bcae ==""{_bcae =_fg .EventDocOpen ;};_ccc :=MakeDict ();_ccc .Set ("\u0054\u0079\u0070\u0065",MakeName ("C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"));
_ccc .Set ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et",MakeName (string (_bcae )));_ccc .Set ("\u0043\u0046\u004d",MakeName (_ddae .Name ()));_ccc .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_ddae .KeyLength ())));return _ccc ;};


// Remove removes an element specified by key.
func (_ebff *PdfObjectDictionary )Remove (key PdfObjectName ){_ebage :=-1;for _bgcec ,_gdab :=range _ebff ._aeea {if _gdab ==key {_ebage =_bgcec ;break ;};};if _ebage >=0{_ebff ._aeea =append (_ebff ._aeea [:_ebage ],_ebff ._aeea [_ebage +1:]...);delete (_ebff ._dbce ,key );
};};const JB2ImageAutoThreshold =-1.0;

// GetEncryptObj returns the PdfIndirectObject which has information about the PDFs encryption details.
func (_dbeb *PdfParser )GetEncryptObj ()*PdfIndirectObject {return _dbeb ._ggggc };

// 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 _ac .Image ,bwThreshold float64 )(*JBIG2Image ,error ){const _bdbd ="\u0047\u006f\u0049\u006d\u0061\u0067\u0065\u0054\u006fJ\u0042\u0049\u0047\u0032";if i ==nil {return nil ,_cd .Error (_bdbd ,"i\u006d\u0061\u0067\u0065 '\u0069'\u0020\u006e\u006f\u0074\u0020d\u0065\u0066\u0069\u006e\u0065\u0064");
};var (_gegb uint8 ;_cccb _fcf .Image ;_ccdf error ;);if bwThreshold ==JB2ImageAutoThreshold {_cccb ,_ccdf =_fcf .MonochromeConverter .Convert (i );}else if bwThreshold > 1.0||bwThreshold < 0.0{return nil ,_cd .Error (_bdbd ,"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 {_gegb =uint8 (255*bwThreshold );_cccb ,_ccdf =_fcf .MonochromeThresholdConverter (_gegb ).Convert (i );};if _ccdf !=nil {return nil ,_ccdf ;};return _cfbbgc (_cccb ),nil ;};

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

// 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 ;};

// MakeBool creates a PdfObjectBool from a bool value.
func MakeBool (val bool )*PdfObjectBool {_adfa :=PdfObjectBool (val );return &_adfa };var _adcf =_fc .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");


// DecodeStream decodes a JPX encoded stream and returns the result as a
// slice of bytes.
func (_bbdd *JPXEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_ecd .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",_bbdd .GetFilterName ());
return streamObj .Stream ,ErrNoJPXDecode ;};func (_bddda *PdfParser )parseName ()(PdfObjectName ,error ){var _dcebg _fb .Buffer ;_bbaaa :=false ;for {_aagb ,_deag :=_bddda ._affd .Peek (1);if _deag ==_ae .EOF {break ;};if _deag !=nil {return PdfObjectName (_dcebg .String ()),_deag ;
};if !_bbaaa {if _aagb [0]=='/'{_bbaaa =true ;_bddda ._affd .ReadByte ();}else if _aagb [0]=='%'{_bddda .readComment ();_bddda .skipSpaces ();}else {_ecd .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",_aagb ,_aagb );
return PdfObjectName (_dcebg .String ()),_daa .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_aagb [0]);};}else {if IsWhiteSpace (_aagb [0]){break ;}else if (_aagb [0]=='/')||(_aagb [0]=='[')||(_aagb [0]=='(')||(_aagb [0]==']')||(_aagb [0]=='<')||(_aagb [0]=='>'){break ;
}else if _aagb [0]=='#'{_dfcc ,_babbg :=_bddda ._affd .Peek (3);if _babbg !=nil {return PdfObjectName (_dcebg .String ()),_babbg ;};_deea ,_babbg :=_dc .DecodeString (string (_dfcc [1:3]));if _babbg !=nil {_ecd .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");
_dcebg .WriteByte ('#');_bddda ._affd .Discard (1);continue ;};_bddda ._affd .Discard (3);_dcebg .Write (_deea );}else {_cgcfa ,_ :=_bddda ._affd .ReadByte ();_dcebg .WriteByte (_cgcfa );};};};return PdfObjectName (_dcebg .String ()),nil ;};var _gegg =_fc .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");


// MakeStreamDict make a new instance of an encoding dictionary for a stream object.
func (_gfdg *ASCII85Encoder )MakeStreamDict ()*PdfObjectDictionary {_egab :=MakeDict ();_egab .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_gfdg .GetFilterName ()));return _egab ;};func _gcdaa (_abegc string )(PdfObjectReference ,error ){_cccgf :=PdfObjectReference {};
_ecgcf :=_becgf .FindStringSubmatch (_abegc );if len (_ecgcf )< 3{_ecd .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");return _cccgf ,_f .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};_daff ,_ :=_bf .Atoi (_ecgcf [1]);_ccfb ,_ :=_bf .Atoi (_ecgcf [2]);_cccgf .ObjectNumber =int64 (_daff );_cccgf .GenerationNumber =int64 (_ccfb );return _cccgf ,nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_bbea *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_dggd :=MakeDict ();_dggd .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_bbea .GetFilterArray ());for _ ,_fafc :=range _bbea ._degb {_fge :=_fafc .MakeStreamDict ();for _ ,_ccbbg :=range _fge .Keys (){_caef :=_fge .Get (_ccbbg );
if _ccbbg !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_ccbbg !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_dggd .Set (_ccbbg ,_caef );};};};_dded :=_bbea .MakeDecodeParams ();if _dded !=nil {_dggd .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_dded );
};return _dggd ;};

// HasDataAfterEOF checks if there is some data after EOF marker.
func (_ceed ParserMetadata )HasDataAfterEOF ()bool {return _ceed ._bgg };

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_bccaf *JPXEncoder )MakeDecodeParams ()PdfObject {return nil };func (_fbdd *PdfParser )repairLocateXref ()(int64 ,error ){_dgbc :=int64 (1000);_fbdd ._ccgbe .Seek (-_dgbc ,_ae .SeekCurrent );_bcda ,_ebffc :=_fbdd ._ccgbe .Seek (0,_ae .SeekCurrent );
if _ebffc !=nil {return 0,_ebffc ;};_dcbg :=make ([]byte ,_dgbc );_fbdd ._ccgbe .Read (_dcbg );_effe :=_edcdb .FindAllStringIndex (string (_dcbg ),-1);if len (_effe )< 1{_ecd .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,_f .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");};_bfab :=int64 (_effe [len (_effe )-1][0]);_bgeb :=_bcda +_bfab ;return _bgeb ,nil ;};

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

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

// UpdateParams updates the parameter values of the encoder.
func (_agdg *RunLengthEncoder )UpdateParams (params *PdfObjectDictionary ){};const (XrefTypeTableEntry xrefType =iota ;XrefTypeObjectStream xrefType =iota ;);

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

// HasInvalidSubsectionHeader implements core.ParserMetadata interface.
func (_ebcb ParserMetadata )HasInvalidSubsectionHeader ()bool {return _ebcb ._fefa };

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

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

// 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 ){_aecf :=&PdfCrypt {_bag :false ,_cgb :make (map[PdfObject ]bool ),_ggf :make (map[PdfObject ]bool ),_abf :make (map[int ]struct{}),_ebec :parser };_cde ,_bbbg :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_bbbg {_ecd .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 _aecf ,_f .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 *_cde !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_ecd .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",*_cde );
return _aecf ,_f .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_aecf ._dgb .Filter =string (*_cde );if _ced ,_bcce :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_bcce {_aecf ._dgb .SubFilter =_ced .Str ();
_ecd .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_ced );};if L ,_fab :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_fab {if (*L %8)!=0{_ecd .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 _aecf ,_f .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_aecf ._dgb .Length =int (*L );}else {_aecf ._dgb .Length =40;};_aecf ._dgb .V =0;if _fae ,_aaf :=ed .Get ("\u0056").(*PdfObjectInteger );
_aaf {V :=int (*_fae );_aecf ._dgb .V =V ;if V >=1&&V <=2{_aecf ._bgbe =_deac (_aecf ._dgb .Length );}else if V >=4&&V <=5{if _gbce :=_aecf .loadCryptFilters (ed );_gbce !=nil {return _aecf ,_gbce ;};}else {_ecd .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 _aecf ,_f .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _gfc :=_ceca (&_aecf ._af ,ed );_gfc !=nil {return _aecf ,_gfc ;};_bgc :="";if _afe ,_fef :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_fef &&_afe .Len ()>=1{_gcb ,_cab :=GetString (_afe .Get (0));if !_cab {return _aecf ,_f .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_bgc =_gcb .Str ();}else {_ecd .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");
};_aecf ._gda =_bgc ;return _aecf ,nil ;};

// EncodeBytes encodes the passed in slice of bytes by passing it through the
// EncodeBytes method of the underlying encoders.
func (_ggcg *MultiEncoder )EncodeBytes (data []byte )([]byte ,error ){_aded :=data ;var _cegf error ;for _beea :=len (_ggcg ._degb )-1;_beea >=0;_beea --{_efdg :=_ggcg ._degb [_beea ];_aded ,_cegf =_efdg .EncodeBytes (_aded );if _cegf !=nil {return nil ,_cegf ;
};};return _aded ,nil ;};

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

// 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 _ae .ReadSeeker )(_edfe *PdfParser ,_dbca error ){_edfe =&PdfParser {_ccgbe :rs ,ObjCache :make (objectCache ),_ecegc :map[int64 ]bool {},_adaa :true ,_fcedf :make (map[*PdfParser ]*PdfParser )};if _dbca =_edfe .parseDetailedHeader ();
_dbca !=nil {return nil ,_dbca ;};if _edfe ._gddgc ,_dbca =_edfe .loadXrefs ();_dbca !=nil {_ecd .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",_dbca );
return nil ,_dbca ;};_ecd .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_edfe ._gddgc );if len (_edfe ._efdgc .ObjectMap )==0{return nil ,_daa .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 _edfe ,nil ;};var _dbdd =_fc .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");const (DefaultJPEGQuality =75;);

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

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

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

// HasNonConformantStream implements core.ParserMetadata.
func (_abda ParserMetadata )HasNonConformantStream ()bool {return _abda ._agd };

// GetAsFloat64Slice returns the array as []float64 slice.
// Returns an error if not entirely numeric (only PdfObjectIntegers, PdfObjectFloats).
func (_gaec *PdfObjectArray )GetAsFloat64Slice ()([]float64 ,error ){var _cbgd []float64 ;for _ ,_ebace :=range _gaec .Elements (){_eecbg ,_abfc :=GetNumberAsFloat (TraceToDirectObject (_ebace ));if _abfc !=nil {return nil ,_daa .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");
};_cbgd =append (_cbgd ,_eecbg );};return _cbgd ,nil ;};

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

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

// For predictors
Columns int ;Colors int ;

// LZW algorithm setting.
EarlyChange int ;};

// HasEOLAfterHeader gets information if there is a EOL after the version header.
func (_ecfc ParserMetadata )HasEOLAfterHeader ()bool {return _ecfc ._aceg };

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

// 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 ;};

// PdfObjectFloat represents the primitive PDF floating point numerical object.
type PdfObjectFloat float64 ;func (_aagd *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _fac *PdfObjectDictionary ;_fcedc ,_dgfg :=_aagd .readTextLine ();if _dgfg !=nil {return nil ,_dgfg ;};if _aagd ._adaa &&_c .Count (_c .TrimPrefix (_fcedc ,"\u0078\u0072\u0065\u0066"),"\u0020")> 0{_aagd ._bcdc ._bad =true ;
};_ecd .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_fcedc );_dcgc :=-1;_debg :=0;_feaf :=false ;_adaac :="";for {_aagd .skipSpaces ();_ ,_fffd :=_aagd ._affd .Peek (1);if _fffd !=nil {return nil ,_fffd ;
};_fcedc ,_fffd =_aagd .readTextLine ();if _fffd !=nil {return nil ,_fffd ;};_fabd :=_bbcd .FindStringSubmatch (_fcedc );if len (_fabd )==0{_fbad :=len (_adaac )> 0;_adaac +=_fcedc +"\u000a";if _fbad {_fabd =_bbcd .FindStringSubmatch (_adaac );};};if len (_fabd )==3{if _aagd ._adaa &&!_aagd ._bcdc ._fefa {var (_aegdc bool ;
_gade int ;);for _ ,_bgeg :=range _fcedc {if _de .IsDigit (_bgeg ){if _aegdc {break ;};continue ;};if !_aegdc {_aegdc =true ;};_gade ++;};if _gade > 1{_aagd ._bcdc ._fefa =true ;};};_gage ,_ :=_bf .Atoi (_fabd [1]);_bggd ,_ :=_bf .Atoi (_fabd [2]);_dcgc =_gage ;
_debg =_bggd ;_feaf =true ;_adaac ="";_ecd .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",_dcgc ,_debg );
continue ;};_bfbgg :=_gddeb .FindStringSubmatch (_fcedc );if len (_bfbgg )==4{if !_feaf {_ecd .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 ,_f .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_dgdg ,_ :=_bf .ParseInt (_bfbgg [1],10,64);_geddcb ,_ :=_bf .Atoi (_bfbgg [2]);_gcde :=_bfbgg [3];_adaac ="";if _c .ToLower (_gcde )=="\u006e"&&_dgdg > 1{_cabc ,_agge :=_aagd ._efdgc .ObjectMap [_dcgc ];if !_agge ||_geddcb > _cabc .Generation {_bedb :=XrefObject {ObjectNumber :_dcgc ,XType :XrefTypeTableEntry ,Offset :_dgdg ,Generation :_geddcb };
_aagd ._efdgc .ObjectMap [_dcgc ]=_bedb ;};};_dcgc ++;continue ;};if (len (_fcedc )> 6)&&(_fcedc [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_ecd .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_fcedc );
if len (_fcedc )> 9{_dcgeg :=_aagd .GetFileOffset ();_aagd .SetFileOffset (_dcgeg -int64 (len (_fcedc ))+7);};_aagd .skipSpaces ();_aagd .skipComments ();_ecd .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_ecd .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_fcedc );_fac ,_fffd =_aagd .ParseDict ();_ecd .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _fffd !=nil {_ecd .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",_fffd );return nil ,_fffd ;};break ;};if _fcedc =="\u0025\u0025\u0045O\u0046"{_ecd .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 ,_f .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");};_ecd .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_fcedc );
};_ecd .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 _aagd ._ceae ==nil {_gfaa :=XrefTypeTableEntry ;_aagd ._ceae =&_gfaa ;};return _fac ,nil ;};

// WriteString outputs the object as it is to be written to file.
func (_bcgb *PdfObjectBool )WriteString ()string {if *_bcgb {return "\u0074\u0072\u0075\u0065";};return "\u0066\u0061\u006cs\u0065";};func (_gaeba *PdfParser )seekToEOFMarker (_dgeb int64 )error {var _agff int64 ;var _cbba int64 =2048;for _agff < _dgeb -4{if _dgeb <=(_cbba +_agff ){_cbba =_dgeb -_agff ;
};_ ,_beeb :=_gaeba ._ccgbe .Seek (_dgeb -_agff -_cbba ,_ae .SeekStart );if _beeb !=nil {return _beeb ;};_abde :=make ([]byte ,_cbba );_gaeba ._ccgbe .Read (_abde );_ecd .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 (_abde ));
_gbbb :=_ddfe .FindAllStringIndex (string (_abde ),-1);if _gbbb !=nil {_agdga :=_gbbb [len (_gbbb )-1];_ecd .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_gbbb );_fdbb :=_dgeb -_agff -_cbba +int64 (_agdga [0]);_gaeba ._ccgbe .Seek (_fdbb ,_ae .SeekStart );
return nil ;};_ecd .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");
_agff +=_cbba -4;};_ecd .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 _aaag ;};