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 (_dg "bufio";_cdg "bytes";_bc "compress/lzw";_bf "compress/zlib";_cd "crypto/md5";_ba "crypto/rand";_ca "encoding/hex";_a "errors";_fc "fmt";_cde "github.com/unidoc/unipdf/v3/common";_fce "github.com/unidoc/unipdf/v3/core/security";
_bb "github.com/unidoc/unipdf/v3/core/security/crypt";_da "github.com/unidoc/unipdf/v3/internal/ccittfax";_dc "github.com/unidoc/unipdf/v3/internal/imageutil";_gec "github.com/unidoc/unipdf/v3/internal/jbig2";_abg "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";
_fgb "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";_gd "github.com/unidoc/unipdf/v3/internal/jbig2/document";_gef "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_ad "github.com/unidoc/unipdf/v3/internal/strutils";_be "golang.org/x/image/tiff/lzw";
_gfa "golang.org/x/xerrors";_ge "image";_f "image/color";_fg "image/jpeg";_gf "io";_ae "reflect";_ab "regexp";_b "sort";_g "strconv";_caa "strings";_d "sync";_ce "time";_aeb "unicode";);func (_dage *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _dage ._faaaf {return nil ,_fc .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");
};_dage ._faaaf =true ;_dage ._cgcc .Seek (0,_gf .SeekStart );_dage ._ecdc =_dg .NewReader (_dage ._cgcc );_abfc :=20;_fbfg :=make ([]byte ,_abfc );_gafa :=XrefTable {};_gafa .ObjectMap =make (map[int ]XrefObject );for {_geg ,_gbbb :=_dage ._ecdc .ReadByte ();
if _gbbb !=nil {if _gbbb ==_gf .EOF {break ;}else {return nil ,_gbbb ;};};if _geg =='j'&&_fbfg [_abfc -1]=='b'&&_fbfg [_abfc -2]=='o'&&IsWhiteSpace (_fbfg [_abfc -3]){_febb :=_abfc -4;for IsWhiteSpace (_fbfg [_febb ])&&_febb > 0{_febb --;};if _febb ==0||!IsDecimalDigit (_fbfg [_febb ]){continue ;
};for IsDecimalDigit (_fbfg [_febb ])&&_febb > 0{_febb --;};if _febb ==0||!IsWhiteSpace (_fbfg [_febb ]){continue ;};for IsWhiteSpace (_fbfg [_febb ])&&_febb > 0{_febb --;};if _febb ==0||!IsDecimalDigit (_fbfg [_febb ]){continue ;};for IsDecimalDigit (_fbfg [_febb ])&&_febb > 0{_febb --;
};if _febb ==0{continue ;};_bebe :=_dage .GetFileOffset ()-int64 (_abfc -_febb );_ageb :=append (_fbfg [_febb +1:],_geg );_eegc ,_dede ,_acdd :=_becdd (string (_ageb ));if _acdd !=nil {_cde .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",_acdd );
return nil ,_acdd ;};if _cggd ,_caaca :=_gafa .ObjectMap [_eegc ];!_caaca ||_cggd .Generation < _dede {_aebb :=XrefObject {};_aebb .XType =XrefTypeTableEntry ;_aebb .ObjectNumber =_eegc ;_aebb .Generation =_dede ;_aebb .Offset =_bebe ;_gafa .ObjectMap [_eegc ]=_aebb ;
};};_fbfg =append (_fbfg [1:_abfc ],_geg );};_dage ._ccce =nil ;return &_gafa ,nil ;};

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

// GetAsFloat64Slice returns the array as []float64 slice.
// Returns an error if not entirely numeric (only PdfObjectIntegers, PdfObjectFloats).
func (_cedfc *PdfObjectArray )GetAsFloat64Slice ()([]float64 ,error ){var _gedf []float64 ;for _ ,_caeff :=range _cedfc .Elements (){_dafc ,_fgbf :=GetNumberAsFloat (TraceToDirectObject (_caeff ));if _fgbf !=nil {return nil ,_fc .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");
};_gedf =append (_gedf ,_dafc );};return _gedf ,nil ;};func _babc (_gecbe string )(PdfObjectReference ,error ){_ecaa :=PdfObjectReference {};_adgb :=_efc .FindStringSubmatch (_gecbe );if len (_adgb )< 3{_cde .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
return _ecaa ,_a .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");};_fdcd ,_ :=_g .Atoi (_adgb [1]);_faff ,_ :=_g .Atoi (_adgb [2]);_ecaa .ObjectNumber =int64 (_fdcd );_ecaa .GenerationNumber =int64 (_faff );
return _ecaa ,nil ;};

// MakeName creates a PdfObjectName from a string.
func MakeName (s string )*PdfObjectName {_ebae :=PdfObjectName (s );return &_ebae };var _cfge =_ab .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");


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

// String returns a string describing `d`.
func (_ccdb *PdfObjectDictionary )String ()string {var _acca _caa .Builder ;_acca .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_dgfdb :=range _ccdb ._fefba {_bffg :=_ccdb ._aafc [_dgfdb ];_acca .WriteString ("\u0022"+_dgfdb .String ()+"\u0022\u003a\u0020");
_acca .WriteString (_bffg .String ());_acca .WriteString ("\u002c\u0020");};_acca .WriteString ("\u0029");return _acca .String ();};func (_gagdc *PdfParser )skipSpaces ()(int ,error ){_cccg :=0;for {_afcg ,_gefc :=_gagdc ._ecdc .ReadByte ();if _gefc !=nil {return 0,_gefc ;
};if IsWhiteSpace (_afcg ){_cccg ++;}else {_gagdc ._ecdc .UnreadByte ();break ;};};return _cccg ,nil ;};

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

// SetImage sets the image base for given flate encoder.
func (_eeeb *FlateEncoder )SetImage (img *_dc .ImageBase ){_eeeb ._caed =img };func (_bfbe *PdfParser )readComment ()(string ,error ){var _cddae _cdg .Buffer ;_ ,_bdcb :=_bfbe .skipSpaces ();if _bdcb !=nil {return _cddae .String (),_bdcb ;};_edee :=true ;
for {_gfdc ,_ebfdc :=_bfbe ._ecdc .Peek (1);if _ebfdc !=nil {_cde .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_ebfdc .Error ());return _cddae .String (),_ebfdc ;};if _edee &&_gfdc [0]!='%'{return _cddae .String (),_a .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");
};_edee =false ;if (_gfdc [0]!='\r')&&(_gfdc [0]!='\n'){_acfcd ,_ :=_bfbe ._ecdc .ReadByte ();_cddae .WriteByte (_acfcd );}else {break ;};};return _cddae .String (),nil ;};

// 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 )(_cacc int ,_dccd bool ){_agbd ,_dccd :=TraceToDirectObject (obj ).(*PdfObjectInteger );if _dccd &&_agbd !=nil {return int (*_agbd ),true ;};return 0,false ;};func _ebdg (_ecad PdfObject )(*float64 ,error ){switch _gcdaa :=_ecad .(type ){case *PdfObjectFloat :_gdbc :=float64 (*_gcdaa );
return &_gdbc ,nil ;case *PdfObjectInteger :_fggfb :=float64 (*_gcdaa );return &_fggfb ,nil ;case *PdfObjectNull :return nil ,nil ;};return nil ,ErrNotANumber ;};

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

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

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

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

// String returns the state of the bool as "true" or "false".
func (_cfeb *PdfObjectBool )String ()string {if *_cfeb {return "\u0074\u0072\u0075\u0065";};return "\u0066\u0061\u006cs\u0065";};

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

// UpdateParams updates the parameter values of the encoder.
func (_fbeg *RunLengthEncoder )UpdateParams (params *PdfObjectDictionary ){};const (DefaultJPEGQuality =75;);

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

// GetStringBytes is like GetStringVal except that it returns the string as a []byte.
// It is for convenience.
func GetStringBytes (obj PdfObject )(_ffbg []byte ,_cffd bool ){_adcdg ,_cffd :=TraceToDirectObject (obj ).(*PdfObjectString );if _cffd {return _adcdg .Bytes (),true ;};return ;};

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_ggea *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_gfbd :=_cdg .NewReader (encoded );var _fccc []byte ;for {_gabc ,_agbe :=_gfbd .ReadByte ();if _agbe !=nil {return nil ,_agbe ;};if _gabc =='>'{break ;};if IsWhiteSpace (_gabc ){continue ;
};if (_gabc >='a'&&_gabc <='f')||(_gabc >='A'&&_gabc <='F')||(_gabc >='0'&&_gabc <='9'){_fccc =append (_fccc ,_gabc );}else {_cde .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",_gabc );
return nil ,_fc .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",_gabc );};};if len (_fccc )%2==1{_fccc =append (_fccc ,'0');
};_cde .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_fccc );_bdfd :=make ([]byte ,_ca .DecodedLen (len (_fccc )));_ ,_gagc :=_ca .Decode (_bdfd ,_fccc );if _gagc !=nil {return nil ,_gagc ;};return _bdfd ,nil ;};

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

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

// 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 (_dfdcb *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _bcgf []int64 ;for _ ,_eaab :=range _dfdcb .Elements (){if _eacc ,_efdb :=_eaab .(*PdfObjectInteger );_efdb {_bcgf =append (_bcgf ,int64 (*_eacc ));}else {return nil ,ErrTypeError ;};};
return _bcgf ,nil ;};

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

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

// 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 ){_bef :=&PdfCrypt {_eee :false ,_dca :make (map[PdfObject ]bool ),_ade :make (map[PdfObject ]bool ),_fca :make (map[int ]struct{}),_geb :parser };_cff ,_cba :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_cba {_cde .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 _bef ,_a .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 *_cff !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_cde .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",*_cff );
return _bef ,_a .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_bef ._gcd .Filter =string (*_cff );if _ccg ,_eea :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_eea {_bef ._gcd .SubFilter =_ccg .Str ();
_cde .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_ccg );};if L ,_cdde :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_cdde {if (*L %8)!=0{_cde .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 _bef ,_a .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_bef ._gcd .Length =int (*L );}else {_bef ._gcd .Length =40;};_bef ._gcd .V =0;if _fbdf ,_ffa :=ed .Get ("\u0056").(*PdfObjectInteger );
_ffa {V :=int (*_fbdf );_bef ._gcd .V =V ;if V >=1&&V <=2{_bef ._eeea =_bfb (_bef ._gcd .Length );}else if V >=4&&V <=5{if _adaa :=_bef .loadCryptFilters (ed );_adaa !=nil {return _bef ,_adaa ;};}else {_cde .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 _bef ,_a .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _cbg :=_adfa (&_bef ._bg ,ed );_cbg !=nil {return _bef ,_cbg ;};_ffc :="";if _gggd ,_cea :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_cea &&_gggd .Len ()>=1{_afdg ,_gbe :=GetString (_gggd .Get (0));if !_gbe {return _bef ,_a .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_ffc =_afdg .Str ();}else {_cde .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");
};_bef ._dadg =_ffc ;return _bef ,nil ;};

// UpdateParams updates the parameter values of the encoder.
func (_bccbb *ASCII85Encoder )UpdateParams (params *PdfObjectDictionary ){};func _gfef (_fddda ,_affee ,_acfg uint8 )uint8 {_geabd :=int (_acfg );_fcgf :=int (_affee )-_geabd ;_egde :=int (_fddda )-_geabd ;_geabd =_ccdf (_fcgf +_egde );_fcgf =_ccdf (_fcgf );
_egde =_ccdf (_egde );if _fcgf <=_egde &&_fcgf <=_geabd {return _fddda ;}else if _egde <=_geabd {return _affee ;};return _acfg ;};func (_bgdd *PdfObjectFloat )String ()string {return _fc .Sprintf ("\u0025\u0066",*_bgdd )};func (_cdgac *PdfParser )parseBool ()(PdfObjectBool ,error ){_egbgf ,_gafb :=_cdgac ._ecdc .Peek (4);
if _gafb !=nil {return PdfObjectBool (false ),_gafb ;};if (len (_egbgf )>=4)&&(string (_egbgf [:4])=="\u0074\u0072\u0075\u0065"){_cdgac ._ecdc .Discard (4);return PdfObjectBool (true ),nil ;};_egbgf ,_gafb =_cdgac ._ecdc .Peek (5);if _gafb !=nil {return PdfObjectBool (false ),_gafb ;
};if (len (_egbgf )>=5)&&(string (_egbgf [:5])=="\u0066\u0061\u006cs\u0065"){_cdgac ._ecdc .Discard (5);return PdfObjectBool (false ),nil ;};return PdfObjectBool (false ),_a .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");
};

// String returns the PDF version as a string. Implements interface fmt.Stringer.
func (_egeg Version )String ()string {return _fc .Sprintf ("\u00250\u0064\u002e\u0025\u0030\u0064",_egeg .Major ,_egeg .Minor );};type objectStreams map[int ]objectStream ;func _eccfg (_effc PdfObject ,_aabbf int )PdfObject {if _aabbf > _cege {_cde .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",_cege );
return MakeNull ();};switch _dbdcg :=_effc .(type ){case *PdfIndirectObject :_effc =_eccfg ((*_dbdcg ).PdfObject ,_aabbf +1);case *PdfObjectArray :for _bfggg ,_fgge :=range (*_dbdcg )._gcba {(*_dbdcg )._gcba [_bfggg ]=_eccfg (_fgge ,_aabbf +1);};case *PdfObjectDictionary :for _dfdeb ,_cegfb :=range (*_dbdcg )._aafc {(*_dbdcg )._aafc [_dfdeb ]=_eccfg (_cegfb ,_aabbf +1);
};_b .Slice ((*_dbdcg )._fefba ,func (_degf ,_eagfg int )bool {return (*_dbdcg )._fefba [_degf ]< (*_dbdcg )._fefba [_eagfg ]});};return _effc ;};func (_acgdg *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_gf .SeekStart {offset +=_acgdg ._ggce ;
};_febf ,_fdbgg :=_acgdg ._bggd .Seek (offset ,whence );if _fdbgg !=nil {return _febf ,_fdbgg ;};if whence ==_gf .SeekCurrent {_febf -=_acgdg ._ggce ;};if _febf < 0{return 0,_a .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 _febf ,nil ;};const _cege =10;

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_adge *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _cdebd []byte ;_cde .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_dgfa :=0;_dacb :=false ;for _dgfa < len (encoded )&&!_dacb {_gaga :=[5]byte {0,0,0,0,0};
_caef :=0;_acdea :=0;_gfgd :=4;for _acdea < 5+_caef {if _dgfa +_acdea ==len (encoded ){break ;};_fgaa :=encoded [_dgfa +_acdea ];if IsWhiteSpace (_fgaa ){_caef ++;_acdea ++;continue ;}else if _fgaa =='~'&&_dgfa +_acdea +1< len (encoded )&&encoded [_dgfa +_acdea +1]=='>'{_gfgd =(_acdea -_caef )-1;
if _gfgd < 0{_gfgd =0;};_dacb =true ;break ;}else if _fgaa >='!'&&_fgaa <='u'{_fgaa -='!';}else if _fgaa =='z'&&_acdea -_caef ==0{_gfgd =4;_acdea ++;break ;}else {_cde .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 ,_a .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_gaga [_acdea -_caef ]=_fgaa ;_acdea ++;};_dgfa +=_acdea ;for _faef :=_gfgd +1;_faef < 5;_faef ++{_gaga [_faef ]=84;
};_bccbf :=uint32 (_gaga [0])*85*85*85*85+uint32 (_gaga [1])*85*85*85+uint32 (_gaga [2])*85*85+uint32 (_gaga [3])*85+uint32 (_gaga [4]);_bbc :=[]byte {byte ((_bccbf >>24)&0xff),byte ((_bccbf >>16)&0xff),byte ((_bccbf >>8)&0xff),byte (_bccbf &0xff)};_cdebd =append (_cdebd ,_bbc [:_gfgd ]...);
};_cde .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_cde .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_cdebd );
return _cdebd ,nil ;};

// PdfObjectFloat represents the primitive PDF floating point numerical object.
type PdfObjectFloat float64 ;var _gefg =_ab .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");func (_fccb *PdfParser )parseString ()(*PdfObjectString ,error ){_fccb ._ecdc .ReadByte ();
var _fefb _cdg .Buffer ;_gfge :=1;for {_bgfc ,_fafe :=_fccb ._ecdc .Peek (1);if _fafe !=nil {return MakeString (_fefb .String ()),_fafe ;};if _bgfc [0]=='\\'{_fccb ._ecdc .ReadByte ();_gaf ,_bcecb :=_fccb ._ecdc .ReadByte ();if _bcecb !=nil {return MakeString (_fefb .String ()),_bcecb ;
};if IsOctalDigit (_gaf ){_fgegd ,_cdbg :=_fccb ._ecdc .Peek (2);if _cdbg !=nil {return MakeString (_fefb .String ()),_cdbg ;};var _abfd []byte ;_abfd =append (_abfd ,_gaf );for _ ,_bgd :=range _fgegd {if IsOctalDigit (_bgd ){_abfd =append (_abfd ,_bgd );
}else {break ;};};_fccb ._ecdc .Discard (len (_abfd )-1);_cde .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_abfd );_dbdd ,_cdbg :=_g .ParseUint (string (_abfd ),8,32);if _cdbg !=nil {return MakeString (_fefb .String ()),_cdbg ;
};_fefb .WriteByte (byte (_dbdd ));continue ;};switch _gaf {case 'n':_fefb .WriteRune ('\n');case 'r':_fefb .WriteRune ('\r');case 't':_fefb .WriteRune ('\t');case 'b':_fefb .WriteRune ('\b');case 'f':_fefb .WriteRune ('\f');case '(':_fefb .WriteRune ('(');
case ')':_fefb .WriteRune (')');case '\\':_fefb .WriteRune ('\\');};continue ;}else if _bgfc [0]=='('{_gfge ++;}else if _bgfc [0]==')'{_gfge --;if _gfge ==0{_fccb ._ecdc .ReadByte ();break ;};};_cgfc ,_ :=_fccb ._ecdc .ReadByte ();_fefb .WriteByte (_cgfc );
};return MakeString (_fefb .String ()),nil ;};var _bcbb =_ab .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");

// HasInvalidSubsectionHeader implements core.ParserMetadata interface.
func (_gcbe ParserMetadata )HasInvalidSubsectionHeader ()bool {return _gcbe ._dgge };

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

// For predictors
Columns int ;Colors int ;

// LZW algorithm setting.
EarlyChange int ;};

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

// Len returns the number of elements in the streams.
func (_aaecb *PdfObjectStreams )Len ()int {if _aaecb ==nil {return 0;};return len (_aaecb ._fadc );};var _beaf =_ab .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");func (_eeae *PdfCrypt )isEncrypted (_cceg PdfObject )bool {_ ,_ebed :=_eeae ._ade [_cceg ];
if _ebed {_cde .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");return true ;};_cde .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};

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

// For predictors
Columns int ;Rows int ;Colors int ;_caed *_dc .ImageBase ;};

// 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 {_dcgf :=PdfObjectString {_edeab :s };return &_dcgf };

// 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};

// NewRawEncoder returns a new instace of RawEncoder.
func NewRawEncoder ()*RawEncoder {return &RawEncoder {}};func (_fgae *PdfParser )inspect ()(map[string ]int ,error ){_cde .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");
_cde .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_fdced :=map[string ]int {};_cede :=0;_ccdc :=0;var _efcf []int ;for _gdbf :=range _fgae ._cacg .ObjectMap {_efcf =append (_efcf ,_gdbf );};_b .Ints (_efcf );_aaafe :=0;
for _ ,_aacd :=range _efcf {_ccaa :=_fgae ._cacg .ObjectMap [_aacd ];if _ccaa .ObjectNumber ==0{continue ;};_cede ++;_cde .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_cde .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",_ccaa .ObjectNumber );
_cadff ,_gcec :=_fgae .LookupByNumber (_ccaa .ObjectNumber );if _gcec !=nil {_cde .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",_ccaa .ObjectNumber ,_gcec );
_ccdc ++;continue ;};_cde .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_cadff );_eagfb ,_bacf :=_cadff .(*PdfIndirectObject );if _bacf {_cde .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_ccaa .ObjectNumber ,_eagfb );
_ceab ,_gdeb :=_eagfb .PdfObject .(*PdfObjectDictionary );if _gdeb {if _dbfd ,_gdadd :=_ceab .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_gdadd {_fafee :=string (*_dbfd );_cde .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_fafee );
_ ,_ccfbb :=_fdced [_fafee ];if _ccfbb {_fdced [_fafee ]++;}else {_fdced [_fafee ]=1;};}else if _egag ,_fgabc :=_ceab .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_fgabc {_gadbc :=string (*_egag );_cde .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_gadbc );
_ ,_abcfa :=_fdced [_gadbc ];if _abcfa {_fdced [_gadbc ]++;}else {_fdced [_gadbc ]=1;};};if _dbggf ,_fecd :=_ceab .Get ("\u0053").(*PdfObjectName );_fecd &&*_dbggf =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_affag :=_fdced ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _affag {_fdced ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_fdced ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _eedb ,_gfad :=_cadff .(*PdfObjectStream );_gfad {if _cdede ,_dfded :=_eedb .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_dfded {_cde .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",*_cdede );_cbdg :=string (*_cdede );_fdced [_cbdg ]++;};}else {_bdbf ,_aagd :=_cadff .(*PdfObjectDictionary );
if _aagd {_gacfe ,_dbde :=_bdbf .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _dbde {_gafe :=string (*_gacfe );_cde .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_gafe );_fdced [_gafe ]++;};};_cde .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_ccaa .ObjectNumber ,_cadff );
};_aaafe ++;};_cde .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");_cde .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");
_cde .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_cede );_cde .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_ccdc );for _efedd ,_ccde :=range _fdced {_cde .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_efedd ,_ccde );
};_cde .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_fgae ._cacg .ObjectMap )< 1{_cde .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 ,_fc .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");};_dcad ,_dcbgb :=_fdced ["\u0046\u006f\u006e\u0074"];
if !_dcbgb ||_dcad < 2{_cde .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 {_cde .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 _fdced ,nil ;};

// PdfIndirectObject represents the primitive PDF indirect object.
type PdfIndirectObject struct{PdfObjectReference ;PdfObject ;};func (_ggae *offsetReader )Read (p []byte )(_dfbaf int ,_edbc error ){return _ggae ._bggd .Read (p )};

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


// MakeStreamDict make a new instance of an encoding dictionary for a stream object.
func (_eaa *ASCII85Encoder )MakeStreamDict ()*PdfObjectDictionary {_efg :=MakeDict ();_efg .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_eaa .GetFilterName ()));return _efg ;};var _eagf =_ab .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");
func _ffad (_adcd *PdfObjectStream ,_bbdb *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_cdb :=NewCCITTFaxEncoder ();_gffc :=_adcd .PdfObjectDictionary ;if _gffc ==nil {return _cdb ,nil ;};if _bbdb ==nil {_cdfb :=TraceToDirectObject (_gffc .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));
if _cdfb !=nil {switch _fbfb :=_cdfb .(type ){case *PdfObjectDictionary :_bbdb =_fbfb ;case *PdfObjectArray :if _fbfb .Len ()==1{if _adgg ,_ecbb :=GetDict (_fbfb .Get (0));_ecbb {_bbdb =_adgg ;};};default:_cde .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",_cdfb );
return nil ,_a .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _bbdb ==nil {_cde .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",_cdfb );
return nil ,_a .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _gedd ,_faggc :=GetNumberAsInt64 (_bbdb .Get ("\u004b"));_faggc ==nil {_cdb .K =int (_gedd );};if _cgb ,_defd :=GetNumberAsInt64 (_bbdb .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_defd ==nil {_cdb .Columns =int (_cgb );}else {_cdb .Columns =1728;};if _bgaf ,_ebdb :=GetNumberAsInt64 (_bbdb .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_ebdb ==nil {_cdb .BlackIs1 =_bgaf > 0;}else {if _ege ,_fdae :=GetBoolVal (_bbdb .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_fdae {_cdb .BlackIs1 =_ege ;}else {if _aag ,_aaf :=GetArray (_bbdb .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_aaf {_cdca ,_gebg :=_aag .ToIntegerArray ();if _gebg ==nil {_cdb .BlackIs1 =_cdca [0]==1&&_cdca [1]==0;};};};};if _fdfec ,_dcfa :=GetNumberAsInt64 (_bbdb .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_dcfa ==nil {_cdb .EncodedByteAlign =_fdfec > 0;}else {if _afgf ,_geaf :=GetBoolVal (_bbdb .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_geaf {_cdb .EncodedByteAlign =_afgf ;};};if _efffc ,_ebdd :=GetNumberAsInt64 (_bbdb .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_ebdd ==nil {_cdb .EndOfLine =_efffc > 0;}else {if _eebfd ,_eab :=GetBoolVal (_bbdb .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_eab {_cdb .EndOfLine =_eebfd ;};};if _fbdfe ,_dceb :=GetNumberAsInt64 (_bbdb .Get ("\u0052\u006f\u0077\u0073"));
_dceb ==nil {_cdb .Rows =int (_fbdfe );};_cdb .EndOfBlock =true ;if _abdge ,_bfgg :=GetNumberAsInt64 (_bbdb .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_bfgg ==nil {_cdb .EndOfBlock =_abdge > 0;}else {if _cace ,_eeeg :=GetBoolVal (_bbdb .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_eeeg {_cdb .EndOfBlock =_cace ;};};if _aeab ,_dab :=GetNumberAsInt64 (_bbdb .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_dab !=nil {_cdb .DamagedRowsBeforeError =int (_aeab );
};_cde .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_bbdb .String ());return _cdb ,nil ;};func (_eccd *FlateEncoder )postDecodePredict (_feab []byte )([]byte ,error ){if _eccd .Predictor > 1{if _eccd .Predictor ==2{_cde .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_cde .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_eccd .Colors );_dgf :=_eccd .Columns *_eccd .Colors ;if _dgf < 1{return []byte {},nil ;};_gdge :=len (_feab )/_dgf ;if len (_feab )%_dgf !=0{_cde .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 ,_fc .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 (_feab ),_dgf );};if _dgf %_eccd .Colors !=0{return nil ,_fc .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",_dgf ,_eccd .Colors );
};if _dgf > len (_feab ){_cde .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",_dgf ,len (_feab ));
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cde .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_feab ),_feab );
_bba :=_cdg .NewBuffer (nil );for _becg :=0;_becg < _gdge ;_becg ++{_gdef :=_feab [_dgf *_becg :_dgf *(_becg +1)];for _eggb :=_eccd .Colors ;_eggb < _dgf ;_eggb ++{_gdef [_eggb ]+=_gdef [_eggb -_eccd .Colors ];};_bba .Write (_gdef );};_agg :=_bba .Bytes ();
_cde .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_agg ),_agg );return _agg ,nil ;}else if _eccd .Predictor >=10&&_eccd .Predictor <=15{_cde .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_afb :=_eccd .Columns *_eccd .Colors +1;_dcfb :=len (_feab )/_afb ;if len (_feab )%_afb !=0{return nil ,_fc .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 (_feab ),_afb );
};if _afb > len (_feab ){_cde .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",_afb ,len (_feab ));
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_agd :=_cdg .NewBuffer (nil );_cde .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_eccd .Columns );
_cde .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_feab ),_afb ,_dcfb );_dcg :=make ([]byte ,_afb );for _aggg :=0;_aggg < _afb ;_aggg ++{_dcg [_aggg ]=0;};_gfbee :=_eccd .Colors ;
for _ddb :=0;_ddb < _dcfb ;_ddb ++{_cddb :=_feab [_afb *_ddb :_afb *(_ddb +1)];_babb :=_cddb [0];switch _babb {case _fedb :case _bgcc :for _dgea :=1+_gfbee ;_dgea < _afb ;_dgea ++{_cddb [_dgea ]+=_cddb [_dgea -_gfbee ];};case _deeb :for _cdebc :=1;_cdebc < _afb ;
_cdebc ++{_cddb [_cdebc ]+=_dcg [_cdebc ];};case _baeff :for _adce :=1;_adce < _gfbee +1;_adce ++{_cddb [_adce ]+=_dcg [_adce ]/2;};for _bbgd :=_gfbee +1;_bbgd < _afb ;_bbgd ++{_cddb [_bbgd ]+=byte ((int (_cddb [_bbgd -_gfbee ])+int (_dcg [_bbgd ]))/2);
};case _bge :for _fceg :=1;_fceg < _afb ;_fceg ++{var _cddd ,_fbab ,_aad byte ;_fbab =_dcg [_fceg ];if _fceg >=_gfbee +1{_cddd =_cddb [_fceg -_gfbee ];_aad =_dcg [_fceg -_gfbee ];};_cddb [_fceg ]+=_gfef (_cddd ,_fbab ,_aad );};default:_cde .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",_babb ,_ddb );
return nil ,_fc .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_babb );};copy (_dcg ,_cddb );_agd .Write (_cddb [1:]);};_ega :=_agd .Bytes ();return _ega ,nil ;
}else {_cde .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",_eccd .Predictor );return nil ,_fc .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",_eccd .Predictor );
};};return _feab ,nil ;};

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

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

// EncodeBytes encodes the passed in slice of bytes by passing it through the
// EncodeBytes method of the underlying encoders.
func (_bbeb *MultiEncoder )EncodeBytes (data []byte )([]byte ,error ){_fcddc :=data ;var _bcgb error ;for _gabg :=len (_bbeb ._fcec )-1;_gabg >=0;_gabg --{_bada :=_bbeb ._fcec [_gabg ];_fcddc ,_bcgb =_bada .EncodeBytes (_fcddc );if _bcgb !=nil {return nil ,_bcgb ;
};};return _fcddc ,nil ;};func (_fdbcae *PdfParser )readTextLine ()(string ,error ){var _fdbe _cdg .Buffer ;for {_cgbf ,_ebee :=_fdbcae ._ecdc .Peek (1);if _ebee !=nil {_cde .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_ebee .Error ());
return _fdbe .String (),_ebee ;};if (_cgbf [0]!='\r')&&(_cgbf [0]!='\n'){_agff ,_ :=_fdbcae ._ecdc .ReadByte ();_fdbe .WriteByte (_agff );}else {break ;};};return _fdbe .String (),nil ;};

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_aafc map[PdfObjectName ]PdfObject ;_fefba []PdfObjectName ;_cgcg *_d .Mutex ;_bfeb *PdfParser ;};

// Resolve resolves the reference and returns the indirect or stream object.
// If the reference cannot be resolved, a *PdfObjectNull object is returned.
func (_bccdc *PdfObjectReference )Resolve ()PdfObject {if _bccdc ._cbbe ==nil {return MakeNull ();};_agab ,_ ,_dcfef :=_bccdc ._cbbe .resolveReference (_bccdc );if _dcfef !=nil {_cde .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",_dcfef );
return MakeNull ();};if _agab ==nil {_cde .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 _agab ;};

// WriteString outputs the object as it is to be written to file.
func (_afade *PdfObjectString )WriteString ()string {var _aacee _cdg .Buffer ;if _afade ._ebfcb {_egga :=_ca .EncodeToString (_afade .Bytes ());_aacee .WriteString ("\u003c");_aacee .WriteString (_egga );_aacee .WriteString ("\u003e");return _aacee .String ();
};_dfad :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_aacee .WriteString ("\u0028");for _fgfa :=0;_fgfa < len (_afade ._edeab );
_fgfa ++{_ebbe :=_afade ._edeab [_fgfa ];if _bgfg ,_fdbcd :=_dfad [_ebbe ];_fdbcd {_aacee .WriteString (_bgfg );}else {_aacee .WriteByte (_ebbe );};};_aacee .WriteString ("\u0029");return _aacee .String ();};

// 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 ;};

// 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 (_ecdg *PdfObjectDictionary )Merge (another *PdfObjectDictionary )*PdfObjectDictionary {if another !=nil {for _ ,_bgcd :=range another .Keys (){_cbaa :=another .Get (_bgcd );_ecdg .Set (_bgcd ,_cbaa );};};return _ecdg ;};const (JB2Generic JBIG2CompressionType =iota ;
JB2SymbolCorrelation ;JB2SymbolRankHaus ;);

// 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 (_bcdcc *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _bddbf ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _bcdcc .ColorComponents !=1||_bcdcc .BitsPerComponent !=1{return nil ,_gef .Errorf (_bddbf ,"\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 (_egfcb *_abg .Bitmap ;_dfbfg error ;);_affa :=(_bcdcc .Width *_bcdcc .Height )==len (data );if _affa {_egfcb ,_dfbfg =_abg .NewWithUnpaddedData (_bcdcc .Width ,_bcdcc .Height ,data );}else {_egfcb ,_dfbfg =_abg .NewWithData (_bcdcc .Width ,_bcdcc .Height ,data );
};if _dfbfg !=nil {return nil ,_dfbfg ;};_ceac :=_bcdcc .DefaultPageSettings ;if _dfbfg =_ceac .Validate ();_dfbfg !=nil {return nil ,_gef .Wrap (_dfbfg ,_bddbf ,"");};if _bcdcc ._ecde ==nil {_bcdcc ._ecde =_gd .InitEncodeDocument (_ceac .FileMode );};
switch _ceac .Compression {case JB2Generic :if _dfbfg =_bcdcc ._ecde .AddGenericPage (_egfcb ,_ceac .DuplicatedLinesRemoval );_dfbfg !=nil {return nil ,_gef .Wrap (_dfbfg ,_bddbf ,"");};case JB2SymbolCorrelation :return nil ,_gef .Error (_bddbf ,"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 ,_gef .Error (_bddbf ,"\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 ,_gef .Error (_bddbf ,"\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 _bcdcc .Encode ();};

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

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

// WriteString outputs the object as it is to be written to file.
func (_gcea *PdfObjectReference )WriteString ()string {var _gbbc _caa .Builder ;_gbbc .WriteString (_g .FormatInt (_gcea .ObjectNumber ,10));_gbbc .WriteString ("\u0020");_gbbc .WriteString (_g .FormatInt (_gcea .GenerationNumber ,10));_gbbc .WriteString ("\u0020\u0052");
return _gbbc .String ();};func (_cadf *PdfParser )parsePdfVersion ()(int ,int ,error ){var _cdgg int64 =20;_acbd :=make ([]byte ,_cdgg );_cadf ._cgcc .Seek (0,_gf .SeekStart );_cadf ._cgcc .Read (_acbd );var _dfbb error ;var _ggga ,_ecag int ;if _fgag :=_beaf .FindStringSubmatch (string (_acbd ));
len (_fgag )< 3{if _ggga ,_ecag ,_dfbb =_cadf .seekPdfVersionTopDown ();_dfbb !=nil {_cde .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,_dfbb ;};_cadf ._cgcc ,_dfbb =_decg (_cadf ._cgcc ,_cadf .GetFileOffset ()-8);if _dfbb !=nil {return 0,0,_dfbb ;};}else {if _ggga ,_dfbb =_g .Atoi (_fgag [1]);_dfbb !=nil {return 0,0,_dfbb ;};if _ecag ,_dfbb =_g .Atoi (_fgag [2]);_dfbb !=nil {return 0,0,_dfbb ;
};_cadf .SetFileOffset (0);};_cadf ._ecdc =_dg .NewReader (_cadf ._cgcc );_cde .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_ggga ,_ecag );return _ggga ,_ecag ,nil ;};

// 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 ){_dfdac :=&PdfObjectStream {};if encoder ==nil {encoder =NewRawEncoder ();};_dfdac .PdfObjectDictionary =encoder .MakeStreamDict ();_dfge ,_aaea :=encoder .EncodeBytes (contents );
if _aaea !=nil {return nil ,_aaea ;};_dfdac .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_dfge ))));_dfdac .Stream =_dfge ;return _dfdac ,nil ;};

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

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

// 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 )(_adcg *PdfObjectStream ,_gbcd bool ){obj =ResolveReference (obj );_adcg ,_gbcd =obj .(*PdfObjectStream );return _adcg ,_gbcd ;};

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

// 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 )(_fcegf string ,_ceaa bool ){_dbda ,_ceaa :=TraceToDirectObject (obj ).(*PdfObjectString );if _ceaa {return _dbda .Str (),true ;};return ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_febga *MultiEncoder )MakeDecodeParams ()PdfObject {if len (_febga ._fcec )==0{return nil ;};if len (_febga ._fcec )==1{return _febga ._fcec [0].MakeDecodeParams ();};_dbd :=MakeArray ();_afgcc :=true ;for _ ,_bceg :=range _febga ._fcec {_cfg :=_bceg .MakeDecodeParams ();
if _cfg ==nil {_dbd .Append (MakeNull ());}else {_afgcc =false ;_dbd .Append (_cfg );};};if _afgcc {return nil ;};return _dbd ;};func (_gdc *PdfCrypt )saveCryptFilters (_ecf *PdfObjectDictionary )error {if _gdc ._gcd .V < 4{return _a .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");
};_gbg :=MakeDict ();_ecf .Set ("\u0043\u0046",_gbg );for _gdf ,_ffeg :=range _gdc ._eeea {if _gdf =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_aea :=_eebd (_ffeg ,"");_gbg .Set (PdfObjectName (_gdf ),_aea );};_ecf .Set ("\u0053\u0074\u0072\u0046",MakeName (_gdc ._cfc ));
_ecf .Set ("\u0053\u0074\u006d\u0046",MakeName (_gdc ._adc ));return nil ;};var _ddce =_ab .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");func _acdf (_fbg *PdfObjectStream ,_ebdf *PdfObjectDictionary )(*FlateEncoder ,error ){_cef :=NewFlateEncoder ();
_cdec :=_fbg .PdfObjectDictionary ;if _cdec ==nil {return _cef ,nil ;};_cef ._caed =_bgca (_cdec );if _ebdf ==nil {_fgf :=TraceToDirectObject (_cdec .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));switch _cfcdd :=_fgf .(type ){case *PdfObjectArray :if _cfcdd .Len ()!=1{_cde .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",_cfcdd .Len ());
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _fac ,_gfbb :=GetDict (_cfcdd .Get (0));_gfbb {_ebdf =_fac ;};case *PdfObjectDictionary :_ebdf =_cfcdd ;case *PdfObjectNull ,nil :default:_cde .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",_fgf );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _ebdf ==nil {return _cef ,nil ;};_cde .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_ebdf .String ());
_ceef :=_ebdf .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _ceef ==nil {_cde .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 {_bce ,_deb :=_ceef .(*PdfObjectInteger );if !_deb {_cde .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",_ceef );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_cef .Predictor =int (*_bce );};_ceef =_ebdf .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _ceef !=nil {_aeaf ,_fcff :=_ceef .(*PdfObjectInteger );if !_fcff {_cde .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 ,_fc .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_cef .BitsPerComponent =int (*_aeaf );};if _cef .Predictor > 1{_cef .Columns =1;_ceef =_ebdf .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _ceef !=nil {_abce ,_addd :=_ceef .(*PdfObjectInteger );if !_addd {return nil ,_fc .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_cef .Columns =int (*_abce );
};_cef .Colors =1;_ceef =_ebdf .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _ceef !=nil {_gfea ,_gdd :=_ceef .(*PdfObjectInteger );if !_gdd {return nil ,_fc .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");
};_cef .Colors =int (*_gfea );};};return _cef ,nil ;};

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

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

// 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 ){_dcfc ,_gddg :=obj .(*PdfObjectReference );if _gddg {obj =TraceToDirectObject (_dcfc );};switch _cebb :=obj .(type ){case *PdfObjectFloat :_cde .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 (*_cebb ),nil ;case *PdfObjectInteger :return int64 (*_cebb ),nil ;};return 0,ErrNotANumber ;};

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

// WriteString outputs the object as it is to be written to file.
func (_dfbfgd *PdfObjectDictionary )WriteString ()string {var _cbaag _caa .Builder ;_cbaag .WriteString ("\u003c\u003c");for _ ,_dbcg :=range _dfbfgd ._fefba {_cdafa :=_dfbfgd ._aafc [_dbcg ];_cbaag .WriteString (_dbcg .WriteString ());_cbaag .WriteString ("\u0020");
_cbaag .WriteString (_cdafa .WriteString ());};_cbaag .WriteString ("\u003e\u003e");return _cbaag .String ();};func (_cdgc *PdfCrypt )encryptBytes (_cbf []byte ,_ced string ,_ece []byte )([]byte ,error ){_cde .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_cbgb ,_aca :=_cdgc ._eeea [_ced ];if !_aca {return nil ,_fc .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_ced );};return _cbgb .EncryptBytes (_cbf ,_ece );};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_cfcf *DCTEncoder )MakeDecodeParams ()PdfObject {return nil };func _gdcf (_cbbg *PdfObjectStream ,_edb *PdfObjectDictionary )(*LZWEncoder ,error ){_adcec :=NewLZWEncoder ();_cbda :=_cbbg .PdfObjectDictionary ;if _cbda ==nil {return _adcec ,nil ;};
if _edb ==nil {_cdcc :=TraceToDirectObject (_cbda .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _cdcc !=nil {if _bfda ,_gabf :=_cdcc .(*PdfObjectDictionary );_gabf {_edb =_bfda ;}else if _cgea ,_cgd :=_cdcc .(*PdfObjectArray );
_cgd {if _cgea .Len ()==1{if _cda ,_caad :=GetDict (_cgea .Get (0));_caad {_edb =_cda ;};};};if _edb ==nil {_cde .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",_cdcc );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_geaa :=_cbda .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _geaa !=nil {_bfae ,_efee :=_geaa .(*PdfObjectInteger );
if !_efee {_cde .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",_geaa );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_bfae !=0&&*_bfae !=1{return nil ,_fc .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");
};_adcec .EarlyChange =int (*_bfae );}else {_adcec .EarlyChange =1;};if _edb ==nil {return _adcec ,nil ;};if _efae ,_bdf :=GetIntVal (_edb .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_bdf {if _efae ==0||_efae ==1{_adcec .EarlyChange =_efae ;
}else {_cde .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",_efae );};};_geaa =_edb .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _geaa !=nil {_ffff ,_cdfec :=_geaa .(*PdfObjectInteger );if !_cdfec {_cde .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",_geaa );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_adcec .Predictor =int (*_ffff );};_geaa =_edb .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _geaa !=nil {_dbce ,_def :=_geaa .(*PdfObjectInteger );if !_def {_cde .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 ,_fc .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_adcec .BitsPerComponent =int (*_dbce );};if _adcec .Predictor > 1{_adcec .Columns =1;_geaa =_edb .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _geaa !=nil {_gdcg ,_ffaf :=_geaa .(*PdfObjectInteger );if !_ffaf {return nil ,_fc .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_adcec .Columns =int (*_gdcg );
};_adcec .Colors =1;_geaa =_edb .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _geaa !=nil {_ddbc ,_edcd :=_geaa .(*PdfObjectInteger );if !_edcd {return nil ,_fc .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");
};_adcec .Colors =int (*_ddbc );};};_cde .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_edb .String ());return _adcec ,nil ;};func _cfb (_cae *_fce .StdEncryptDict ,_abgg *PdfObjectDictionary ){_abgg .Set ("\u0052",MakeInteger (int64 (_cae .R )));
_abgg .Set ("\u0050",MakeInteger (int64 (_cae .P )));_abgg .Set ("\u004f",MakeStringFromBytes (_cae .O ));_abgg .Set ("\u0055",MakeStringFromBytes (_cae .U ));if _cae .R >=5{_abgg .Set ("\u004f\u0045",MakeStringFromBytes (_cae .OE ));_abgg .Set ("\u0055\u0045",MakeStringFromBytes (_cae .UE ));
_abgg .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_cae .EncryptMetadata ));if _cae .R > 5{_abgg .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_cae .Perms ));};};};const _eeb ="\u0053\u0074\u0064C\u0046";


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

// 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 ;_fd []XrefObject ;};

// PdfVersion returns version of the PDF file.
func (_dfbe *PdfParser )PdfVersion ()Version {return _dfbe ._cdcdf };func _fecba (_dfg *PdfObjectStream ,_geab *MultiEncoder )(*DCTEncoder ,error ){_feee :=NewDCTEncoder ();_cdab :=_dfg .PdfObjectDictionary ;if _cdab ==nil {return _feee ,nil ;};_ggdea :=_dfg .Stream ;
if _geab !=nil {_fecbf ,_edga :=_geab .DecodeBytes (_ggdea );if _edga !=nil {return nil ,_edga ;};_ggdea =_fecbf ;};_ggbd :=_cdg .NewReader (_ggdea );_gff ,_bbgc :=_fg .DecodeConfig (_ggbd );if _bbgc !=nil {_cde .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_bbgc );
return nil ,_bbgc ;};switch _gff .ColorModel {case _f .RGBAModel :_feee .BitsPerComponent =8;_feee .ColorComponents =3;case _f .RGBA64Model :_feee .BitsPerComponent =16;_feee .ColorComponents =3;case _f .GrayModel :_feee .BitsPerComponent =8;_feee .ColorComponents =1;
case _f .Gray16Model :_feee .BitsPerComponent =16;_feee .ColorComponents =1;case _f .CMYKModel :_feee .BitsPerComponent =8;_feee .ColorComponents =4;case _f .YCbCrModel :_feee .BitsPerComponent =8;_feee .ColorComponents =3;default:return nil ,_a .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_feee .Width =_gff .Width ;_feee .Height =_gff .Height ;_cde .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_feee );_feee .Quality =DefaultJPEGQuality ;return _feee ,nil ;};

// 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 (_deef *PdfObjectString )Decoded ()string {if _deef ==nil {return "";};_febd :=[]byte (_deef ._edeab );if len (_febd )>=2&&_febd [0]==0xFE&&_febd [1]==0xFF{return _ad .UTF16ToString (_febd [2:]);};return _ad .PDFDocEncodingToString (_febd );};

// 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 )(_ddbd *PdfObjectBool ,_effe bool ){_ddbd ,_effe =TraceToDirectObject (obj ).(*PdfObjectBool );return _ddbd ,_effe ;};

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

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

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_cdcdf Version ;_cgcc _gf .ReadSeeker ;_ecdc *_dg .Reader ;_fbda int64 ;_cacg XrefTable ;_cbea int64 ;_bfcef *xrefType ;_aabbc objectStreams ;_cgdd *PdfObjectDictionary ;_bgad *PdfCrypt ;_cgcde *PdfIndirectObject ;_faaaf bool ;ObjCache objectCache ;
_ccce map[int ]bool ;_ggbf map[int64 ]bool ;_baba ParserMetadata ;_accg bool ;};

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

// IsOctalDigit checks if a character can be part of an octal digit string.
func IsOctalDigit (c byte )bool {return '0'<=c &&c <='7'};func (_aaae *PdfParser )parseArray ()(*PdfObjectArray ,error ){_dbbg :=MakeArray ();_aaae ._ecdc .ReadByte ();for {_aaae .skipSpaces ();_aegf ,_abbd :=_aaae ._ecdc .Peek (1);if _abbd !=nil {return _dbbg ,_abbd ;
};if _aegf [0]==']'{_aaae ._ecdc .ReadByte ();break ;};_dbfa ,_abbd :=_aaae .parseObject ();if _abbd !=nil {return _dbbg ,_abbd ;};_dbbg .Append (_dbfa );};return _dbbg ,nil ;};func (_aabg *PdfParser )repairSeekXrefMarker ()error {_ffegd ,_aeadg :=_aabg ._cgcc .Seek (0,_gf .SeekEnd );
if _aeadg !=nil {return _aeadg ;};_dgae :=_ab .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");var _cgff int64 ;var _ecddg int64 =1000;for _cgff < _ffegd {if _ffegd <=(_ecddg +_cgff ){_ecddg =_ffegd -_cgff ;};_ ,_fdeb :=_aabg ._cgcc .Seek (-_cgff -_ecddg ,_gf .SeekEnd );
if _fdeb !=nil {return _fdeb ;};_cgce :=make ([]byte ,_ecddg );_aabg ._cgcc .Read (_cgce );_cde .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_cgce ));
_ecfg :=_dgae .FindAllStringIndex (string (_cgce ),-1);if _ecfg !=nil {_begf :=_ecfg [len (_ecfg )-1];_cde .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_ecfg );_aabg ._cgcc .Seek (-_cgff -_ecddg +int64 (_begf [0]),_gf .SeekEnd );_aabg ._ecdc =_dg .NewReader (_aabg ._cgcc );
for {_ddaa ,_eegcg :=_aabg ._ecdc .Peek (1);if _eegcg !=nil {return _eegcg ;};_cde .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_ddaa [0],_ddaa [0]);if !IsWhiteSpace (_ddaa [0]){break ;};_aabg ._ecdc .Discard (1);};return nil ;};_cde .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");
_cgff +=_ecddg ;};_cde .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 _a .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};

// EncodeBytes encodes data into ASCII85 encoded format.
func (_caab *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _fgbe _cdg .Buffer ;for _becc :=0;_becc < len (data );_becc +=4{_eefd :=data [_becc ];_cgcd :=1;_egaba :=byte (0);if _becc +1< len (data ){_egaba =data [_becc +1];_cgcd ++;};_ffaga :=byte (0);
if _becc +2< len (data ){_ffaga =data [_becc +2];_cgcd ++;};_gagd :=byte (0);if _becc +3< len (data ){_gagd =data [_becc +3];_cgcd ++;};_ccf :=(uint32 (_eefd )<<24)|(uint32 (_egaba )<<16)|(uint32 (_ffaga )<<8)|uint32 (_gagd );if _ccf ==0{_fgbe .WriteByte ('z');
}else {_bcdc :=_caab .base256Tobase85 (_ccf );for _ ,_aacf :=range _bcdc [:_cgcd +1]{_fgbe .WriteByte (_aacf +'!');};};};_fgbe .WriteString ("\u007e\u003e");return _fgbe .Bytes (),nil ;};

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

// DecodeGlobals decodes 'encoded' byte stream and returns their Globally defined segments ('Globals').
func (_aggde *JBIG2Encoder )DecodeGlobals (encoded []byte )(_gec .Globals ,error ){return _gec .DecodeGlobals (encoded );};func _cegba (_gfbcd ,_gbbf PdfObject ,_ecgbe int )bool {if _ecgbe > _cege {_cde .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",_cege );
return false ;};if _gfbcd ==nil &&_gbbf ==nil {return true ;}else if _gfbcd ==nil ||_gbbf ==nil {return false ;};if _ae .TypeOf (_gfbcd )!=_ae .TypeOf (_gbbf ){return false ;};switch _ggeaa :=_gfbcd .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_ggeaa ==*(_gbbf .(*PdfObjectName ));case *PdfObjectString :return *_ggeaa ==*(_gbbf .(*PdfObjectString ));case *PdfObjectInteger :return *_ggeaa ==*(_gbbf .(*PdfObjectInteger ));case *PdfObjectBool :return *_ggeaa ==*(_gbbf .(*PdfObjectBool ));
case *PdfObjectFloat :return *_ggeaa ==*(_gbbf .(*PdfObjectFloat ));case *PdfIndirectObject :return _cegba (TraceToDirectObject (_gfbcd ),TraceToDirectObject (_gbbf ),_ecgbe +1);case *PdfObjectArray :_abed :=_gbbf .(*PdfObjectArray );if len ((*_ggeaa )._gcba )!=len ((*_abed )._gcba ){return false ;
};for _eeed ,_gfdfb :=range (*_ggeaa )._gcba {if !_cegba (_gfdfb ,(*_abed )._gcba [_eeed ],_ecgbe +1){return false ;};};return true ;case *PdfObjectDictionary :_gfdfa :=_gbbf .(*PdfObjectDictionary );_bafe ,_cade :=(*_ggeaa )._aafc ,(*_gfdfa )._aafc ;if len (_bafe )!=len (_cade ){return false ;
};for _bggea ,_agffd :=range _bafe {_bbegb ,_bgccc :=_cade [_bggea ];if !_bgccc ||!_cegba (_agffd ,_bbegb ,_ecgbe +1){return false ;};};return true ;case *PdfObjectStream :_bfbdf :=_gbbf .(*PdfObjectStream );return _cegba ((*_ggeaa ).PdfObjectDictionary ,(*_bfbdf ).PdfObjectDictionary ,_ecgbe +1);
default:_cde .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",_gfbcd );
};return false ;};

// GetFilterName returns the name of the encoding filter.
func (_dgfg *CCITTFaxEncoder )GetFilterName ()string {return StreamEncodingFilterNameCCITTFax };func (_gfac *PdfParser )traceStreamLength (_cbga PdfObject )(PdfObject ,error ){_cfccb ,_beeb :=_cbga .(*PdfObjectReference );if _beeb {_cceef ,_gaac :=_gfac ._ggbf [_cfccb .ObjectNumber ];
if _gaac &&_cceef {_cde .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 ,_a .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_gfac ._ggbf [_cfccb .ObjectNumber ]=true ;};_gbfd ,_ecbd :=_gfac .Resolve (_cbga );if _ecbd !=nil {return nil ,_ecbd ;
};_cde .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_gbfd );if _beeb {_gfac ._ggbf [_cfccb .ObjectNumber ]=false ;};return _gbfd ,nil ;};

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on the current encoder settings.
func (_bgbb *JBIG2Encoder )MakeDecodeParams ()PdfObject {return MakeDict ()};func _ccdf (_fcfe int )int {_gggddf :=_fcfe >>(_bcec -1);return (_fcfe ^_gggddf )-_gggddf };

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

// 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 (_ebdde *PdfObjectDictionary )GetString (key PdfObjectName )(string ,bool ){_bcac :=_ebdde .Get (key );if _bcac ==nil {return "",false ;};_gefea ,_ggdd :=_bcac .(*PdfObjectString );if !_ggdd {return "",false ;};return _gefea .Str (),true ;};func (_gca *PdfParser )checkPostEOFData ()error {const _cded ="\u0025\u0025\u0045O\u0046";
_ ,_fdda :=_gca ._cgcc .Seek (-int64 (len ([]byte (_cded )))-1,_gf .SeekEnd );if _fdda !=nil {return _fdda ;};_bee :=make ([]byte ,len ([]byte (_cded ))+1);_ ,_fdda =_gca ._cgcc .Read (_bee );if _fdda !=nil {if _fdda !=_gf .EOF {return _fdda ;};};if string (_bee )==_cded ||string (_bee )==_cded +"\u000a"{_gca ._baba ._bagfa =true ;
};return nil ;};

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

// 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 ;};

// 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 _ge .Image ,bwThreshold float64 )(*JBIG2Image ,error ){const _dadc ="\u0047\u006f\u0049\u006d\u0061\u0067\u0065\u0054\u006fJ\u0042\u0049\u0047\u0032";if i ==nil {return nil ,_gef .Error (_dadc ,"i\u006d\u0061\u0067\u0065 '\u0069'\u0020\u006e\u006f\u0074\u0020d\u0065\u0066\u0069\u006e\u0065\u0064");
};var (_eddc uint8 ;_dff _dc .Image ;_dgfb error ;);if bwThreshold ==JB2ImageAutoThreshold {_dff ,_dgfb =_dc .MonochromeConverter .Convert (i );}else if bwThreshold > 1.0||bwThreshold < 0.0{return nil ,_gef .Error (_dadc ,"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 {_eddc =uint8 (255*bwThreshold );_dff ,_dgfb =_dc .MonochromeThresholdConverter (_eddc ).Convert (i );};if _dgfb !=nil {return nil ,_dgfb ;};return _bcea (_dff ),nil ;};

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

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_aece *PdfParser )GetFileOffset ()int64 {_efaa ,_ :=_aece ._cgcc .Seek (0,_gf .SeekCurrent );_efaa -=int64 (_aece ._ecdc .Buffered ());return _efaa ;};

// MakeFloat creates an PdfObjectFloat from a float64.
func MakeFloat (val float64 )*PdfObjectFloat {_accd :=PdfObjectFloat (val );return &_accd };func (_cead *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_cead ._ecdc )};

// 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 )(_fabba *PdfIndirectObject ,_dadbd bool ){obj =ResolveReference (obj );_fabba ,_dadbd =obj .(*PdfIndirectObject );return _fabba ,_dadbd ;};

// 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 (_ggdg *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_abb :=n ;_aacc :=0;_feda :=0;for _abb > 0{_cbgdb ,_bceb :=_ggdg ._ecdc .Read (p [_aacc :]);if _bceb !=nil {_cde .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",_cbgdb ,_feda ,_bceb .Error ());
return _aacc ,_a .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_feda ++;_aacc +=_cbgdb ;_abb -=_cbgdb ;};return _aacc ,nil ;};

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

// WriteString outputs the object as it is to be written to file.
func (_edab *PdfObjectName )WriteString ()string {var _efaf _cdg .Buffer ;if len (*_edab )> 127{_cde .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a \u004e\u0061\u006d\u0065\u0020t\u006fo\u0020l\u006f\u006e\u0067\u0020\u0028\u0025\u0073)",*_edab );};_efaf .WriteString ("\u002f");
for _bcdb :=0;_bcdb < len (*_edab );_bcdb ++{_aacb :=(*_edab )[_bcdb ];if !IsPrintable (_aacb )||_aacb =='#'||IsDelimiter (_aacb ){_efaf .WriteString (_fc .Sprintf ("\u0023\u0025\u002e2\u0078",_aacb ));}else {_efaf .WriteByte (_aacb );};};return _efaf .String ();
};var _efc =_ab .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");func (_egg *PdfParser )lookupByNumberWrapper (_dad int ,_db bool )(PdfObject ,bool ,error ){_dd ,_ebba ,_bfa :=_egg .lookupByNumber (_dad ,_db );
if _bfa !=nil {return nil ,_ebba ,_bfa ;};if !_ebba &&_egg ._bgad !=nil &&_egg ._bgad ._eee &&!_egg ._bgad .isDecrypted (_dd ){_ceb :=_egg ._bgad .Decrypt (_dd ,0,0);if _ceb !=nil {return nil ,_ebba ,_ceb ;};};return _dd ,_ebba ,nil ;};

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_edeab string ;_ebfcb bool ;};

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set and the DecodeParms.
func (_fcfg *LZWEncoder )MakeStreamDict ()*PdfObjectDictionary {_fecb :=MakeDict ();_fecb .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_fcfg .GetFilterName ()));_dbc :=_fcfg .MakeDecodeParams ();if _dbc !=nil {_fecb .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_dbc );
};_fecb .Set ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065",MakeInteger (int64 (_fcfg .EarlyChange )));return _fecb ;};func _eebd (_caea _bb .Filter ,_cegf _fce .AuthEvent )*PdfObjectDictionary {if _cegf ==""{_cegf =_fce .EventDocOpen ;
};_bec :=MakeDict ();_bec .Set ("\u0054\u0079\u0070\u0065",MakeName ("C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"));_bec .Set ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et",MakeName (string (_cegf )));_bec .Set ("\u0043\u0046\u004d",MakeName (_caea .Name ()));
_bec .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_caea .KeyLength ())));return _bec ;};

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

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

// HasOddLengthHexStrings checks if the document has odd length hexadecimal strings.
func (_dac ParserMetadata )HasOddLengthHexStrings ()bool {return _dac ._bdcc };func (_ecga *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){const _adgc =20;_bfad ,_ :=_ecga ._ecdc .Peek (_adgc );for _ebcd :=0;_ebcd < 2;_ebcd ++{if _ecga ._cbea ==0{_ecga ._cbea =_ecga .GetFileOffset ();
};if _ddce .Match (_bfad ){_cde .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");
_cde .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_bfad ));return _ecga .parseXrefStream (nil );};if _eagf .Match (_bfad ){_cde .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 _ecga .parseXrefTable ();};_aggb :=_ecga .GetFileOffset ();if _ecga ._cbea ==0{_ecga ._cbea =_aggb ;};_ecga .SetFileOffset (_aggb -_adgc );defer _ecga .SetFileOffset (_aggb );_cca ,_ :=_ecga ._ecdc .Peek (_adgc );_bfad =append (_cca ,_bfad ...);
};_cde .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 _gbda :=_ecga .repairSeekXrefMarker ();_gbda !=nil {_cde .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_gbda );return nil ,_gbda ;};return _ecga .parseXrefTable ();};func _bcea (_fad _dc .Image )*JBIG2Image {_bdefg :=_fad .Base ();
return &JBIG2Image {Data :_bdefg .Data ,Width :_bdefg .Width ,Height :_bdefg .Height ,HasPadding :true };};

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

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_gda *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_fed ,_fgg :=obj .(*PdfObjectReference );if !_fgg {return obj ,nil ;};_ecd :=_gda .GetFileOffset ();defer func (){_gda .SetFileOffset (_ecd )}();_fa ,_ged :=_gda .LookupByReference (*_fed );
if _ged !=nil {return nil ,_ged ;};_gce ,_gb :=_fa .(*PdfIndirectObject );if !_gb {return _fa ,nil ;};_fa =_gce .PdfObject ;_ ,_fgg =_fa .(*PdfObjectReference );if _fgg {return _gce ,_a .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 _fa ,nil ;};

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

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

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

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

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_cgfbf :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _cgfbf ==nil {return NewRawEncoder (),nil ;};if _ ,_gadd :=_cgfbf .(*PdfObjectNull );
_gadd {return NewRawEncoder (),nil ;};_acdc ,_bedc :=_cgfbf .(*PdfObjectName );if !_bedc {_gbec ,_bfcce :=_cgfbf .(*PdfObjectArray );if !_bfcce {return nil ,_fc .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 _gbec .Len ()==0{return NewRawEncoder (),nil ;};if _gbec .Len ()!=1{_gfgg ,_dbgg :=_agfc (streamObj );if _dbgg !=nil {_cde .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",_dbgg );
return nil ,_dbgg ;};_cde .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_gfgg );return _gfgg ,nil ;};_cgfbf =_gbec .Get (0);_acdc ,_bfcce =_cgfbf .(*PdfObjectName );if !_bfcce {return nil ,_fc .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 _edfgg ,_ecbbd :=_cfee .Load (_acdc .String ());_ecbbd {return _edfgg .(StreamEncoder ),nil ;};switch *_acdc {case StreamEncodingFilterNameFlate :return _acdf (streamObj ,nil );case StreamEncodingFilterNameLZW :return _gdcf (streamObj ,nil );case StreamEncodingFilterNameDCT :return _fecba (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _gfcf (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _ffad (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _cdbd (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_cde .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 ,_fc .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",*_acdc );};

// 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 _gf .ReadSeeker )(*PdfParser ,error ){_fbfbd :=&PdfParser {_cgcc :rs ,ObjCache :make (objectCache ),_ggbf :map[int64 ]bool {}};_ebfdf ,_age ,_fefe :=_fbfbd .parsePdfVersion ();if _fefe !=nil {_cde .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",_fefe );
return nil ,_fefe ;};_fbfbd ._cdcdf .Major =_ebfdf ;_fbfbd ._cdcdf .Minor =_age ;if _fbfbd ._cgdd ,_fefe =_fbfbd .loadXrefs ();_fefe !=nil {_cde .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",_fefe );
return nil ,_fefe ;};_cde .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_fbfbd ._cgdd );if len (_fbfbd ._cacg .ObjectMap )==0{return nil ,_fc .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 _fbfbd ,nil ;};func (_fcf *PdfParser )lookupObjectViaOS (_ceg int ,_gg int )(PdfObject ,error ){var _bcd *_cdg .Reader ;var _e objectStream ;var _df bool ;_e ,_df =_fcf ._aabbc [_ceg ];if !_df {_de ,_bfg :=_fcf .LookupByNumber (_ceg );if _bfg !=nil {_cde .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",_ceg );
return nil ,_bfg ;};_ggd ,_cf :=_de .(*PdfObjectStream );if !_cf {return nil ,_a .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _fcf ._bgad !=nil &&!_fcf ._bgad .isDecrypted (_ggd ){return nil ,_a .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");
};_fea :=_ggd .PdfObjectDictionary ;_cde .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_fea .String ());_gfae ,_cf :=_fea .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_cf {_cde .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 ,_a .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 _caa .ToLower (string (*_gfae ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_cde .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 ,_a .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 ,_cf :=_fea .Get ("\u004e").(*PdfObjectInteger );if !_cf {return nil ,_a .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");
};_dge ,_cf :=_fea .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_cf {return nil ,_a .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");
};_cde .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",_gfae ,*N );_bae ,_bfg :=DecodeStream (_ggd );if _bfg !=nil {return nil ,_bfg ;
};_cde .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_bae );_ee :=_fcf .GetFileOffset ();defer func (){_fcf .SetFileOffset (_ee )}();_bcd =_cdg .NewReader (_bae );_fcf ._ecdc =_dg .NewReader (_bcd );_cde .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_bcf :=map[int ]int64 {};for _ec :=0;_ec < int (*N );_ec ++{_fcf .skipSpaces ();_ga ,_eef :=_fcf .parseNumber ();if _eef !=nil {return nil ,_eef ;};_fcg ,_eb :=_ga .(*PdfObjectInteger );if !_eb {return nil ,_a .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");
};_fcf .skipSpaces ();_ga ,_eef =_fcf .parseNumber ();if _eef !=nil {return nil ,_eef ;};_ada ,_eb :=_ga .(*PdfObjectInteger );if !_eb {return nil ,_a .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");
};_cde .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_fcg ,*_ada );_bcf [int (*_fcg )]=int64 (*_dge +*_ada );};_e =objectStream {N :int (*N ),_adf :_bae ,_fe :_bcf };_fcf ._aabbc [_ceg ]=_e ;}else {_bfgd :=_fcf .GetFileOffset ();
defer func (){_fcf .SetFileOffset (_bfgd )}();_bcd =_cdg .NewReader (_e ._adf );_fcf ._ecdc =_dg .NewReader (_bcd );};_ebd :=_e ._fe [_gg ];_cde .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_gg ,_ebd );
_bcd .Seek (_ebd ,_gf .SeekStart );_fcf ._ecdc =_dg .NewReader (_bcd );_cb ,_ :=_fcf ._ecdc .Peek (100);_cde .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_cb ));_ebb ,_eg :=_fcf .parseObject ();if _eg !=nil {_cde .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",_eg );
return nil ,_eg ;};if _ebb ==nil {return nil ,_a .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");};_eec :=PdfIndirectObject {};_eec .ObjectNumber =int64 (_gg );_eec .PdfObject =_ebb ;_eec ._cbbe =_fcf ;
return &_eec ,nil ;};

// GetParser returns the parser for lazy-loading or compare references.
func (_cbgdg *PdfObjectReference )GetParser ()*PdfParser {return _cbgdg ._cbbe };func (_fff *PdfCrypt )loadCryptFilters (_ed *PdfObjectDictionary )error {_fff ._eeea =cryptFilters {};_aff :=_ed .Get ("\u0043\u0046");_aff =TraceToDirectObject (_aff );if _agf ,_dfb :=_aff .(*PdfObjectReference );
_dfb {_gcf ,_bea :=_fff ._geb .LookupByReference (*_agf );if _bea !=nil {_cde .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 _bea ;};_aff =TraceToDirectObject (_gcf );};_bagf ,_fdd :=_aff .(*PdfObjectDictionary );if !_fdd {_cde .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_aff );return _a .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");
};for _ ,_gfe :=range _bagf .Keys (){_fbf :=_bagf .Get (_gfe );if _aef ,_cdgd :=_fbf .(*PdfObjectReference );_cdgd {_gfd ,_cdd :=_fff ._geb .LookupByReference (*_aef );if _cdd !=nil {_cde .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 _cdd ;};_fbf =TraceToDirectObject (_gfd );};_afc ,_cce :=_fbf .(*PdfObjectDictionary );if !_cce {return _fc .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",_gfe ,_fbf );
};if _gfe =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_cde .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 _eebf _bb .FilterDict ;if _bead :=_cfd (&_eebf ,_afc );_bead !=nil {return _bead ;};_bbg ,_bdd :=_bb .NewFilter (_eebf );if _bdd !=nil {return _bdd ;};_fff ._eeea [string (_gfe )]=_bbg ;};_fff ._eeea ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_bb .NewIdentity ();
_fff ._cfc ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _cdea ,_gdae :=_ed .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_gdae {if _ ,_bacd :=_fff ._eeea [string (*_cdea )];!_bacd {return _fc .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",*_cdea );
};_fff ._cfc =string (*_cdea );};_fff ._adc ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _ef ,_gad :=_ed .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_gad {if _ ,_fgd :=_fff ._eeea [string (*_ef )];!_fgd {return _fc .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",*_ef );
};_fff ._adc =string (*_ef );};return nil ;};

// 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 ;};

// Clear resets the dictionary to an empty state.
func (_bgff *PdfObjectDictionary )Clear (){_bgff ._fefba =[]PdfObjectName {};_bgff ._aafc =map[PdfObjectName ]PdfObject {};_bgff ._cgcg =&_d .Mutex {};};

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

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

// GetFilterArray returns the names of the underlying encoding filters in an array that
// can be used as /Filter entry.
func (_eefa *MultiEncoder )GetFilterArray ()*PdfObjectArray {_fab :=make ([]PdfObject ,len (_eefa ._fcec ));for _cbce ,_bbge :=range _eefa ._fcec {_fab [_cbce ]=MakeName (_bbge .GetFilterName ());};return MakeArray (_fab ...);};func _becdd (_bccg string )(int ,int ,error ){_cgcb :=_ddce .FindStringSubmatch (_bccg );
if len (_cgcb )< 3{return 0,0,_a .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");
};_dfaf ,_ :=_g .Atoi (_cgcb [1]);_bfdc ,_ :=_g .Atoi (_cgcb [2]);return _dfaf ,_bfdc ,nil ;};

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

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_efb *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_gdcd :=_cdg .NewReader (encoded );_faaf ,_dacg :=_fg .Decode (_gdcd );if _dacg !=nil {_cde .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_dacg );
return nil ,_dacg ;};_bbd :=_faaf .Bounds ();var _bced =make ([]byte ,_bbd .Dx ()*_bbd .Dy ()*_efb .ColorComponents *_efb .BitsPerComponent /8);_dgda :=0;for _daa :=_bbd .Min .Y ;_daa < _bbd .Max .Y ;_daa ++{for _afg :=_bbd .Min .X ;_afg < _bbd .Max .X ;
_afg ++{_gfbc :=_faaf .At (_afg ,_daa );if _efb .ColorComponents ==1{if _efb .BitsPerComponent ==16{_dce ,_aefbb :=_gfbc .(_f .Gray16 );if !_aefbb {return nil ,_a .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_bced [_dgda ]=byte ((_dce .Y >>8)&0xff);_dgda ++;_bced [_dgda ]=byte (_dce .Y &0xff);_dgda ++;}else {_acc ,_fge :=_gfbc .(_f .Gray );if !_fge {return nil ,_a .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_bced [_dgda ]=_acc .Y &0xff;_dgda ++;};}else if _efb .ColorComponents ==3{if _efb .BitsPerComponent ==16{_egab ,_cdac :=_gfbc .(_f .RGBA64 );if !_cdac {return nil ,_a .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_bced [_dgda ]=byte ((_egab .R >>8)&0xff);_dgda ++;_bced [_dgda ]=byte (_egab .R &0xff);_dgda ++;_bced [_dgda ]=byte ((_egab .G >>8)&0xff);_dgda ++;_bced [_dgda ]=byte (_egab .G &0xff);_dgda ++;_bced [_dgda ]=byte ((_egab .B >>8)&0xff);_dgda ++;_bced [_dgda ]=byte (_egab .B &0xff);
_dgda ++;}else {_dcfbb ,_bfde :=_gfbc .(_f .RGBA );if _bfde {_bced [_dgda ]=_dcfbb .R &0xff;_dgda ++;_bced [_dgda ]=_dcfbb .G &0xff;_dgda ++;_bced [_dgda ]=_dcfbb .B &0xff;_dgda ++;}else {_fceb ,_adddf :=_gfbc .(_f .YCbCr );if !_adddf {return nil ,_a .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_dbeb ,_acgb ,_ddcd ,_ :=_fceb .RGBA ();_bced [_dgda ]=byte (_dbeb >>8);_dgda ++;_bced [_dgda ]=byte (_acgb >>8);_dgda ++;_bced [_dgda ]=byte (_ddcd >>8);_dgda ++;};};}else if _efb .ColorComponents ==4{_fdbf ,_bgag :=_gfbc .(_f .CMYK );if !_bgag {return nil ,_a .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_bced [_dgda ]=255-_fdbf .C &0xff;_dgda ++;_bced [_dgda ]=255-_fdbf .M &0xff;_dgda ++;_bced [_dgda ]=255-_fdbf .Y &0xff;_dgda ++;_bced [_dgda ]=255-_fdbf .K &0xff;_dgda ++;};};};return _bced ,nil ;};func _gga (_cc PdfObject )(int64 ,int64 ,error ){if _cdf ,_cg :=_cc .(*PdfIndirectObject );
_cg {return _cdf .ObjectNumber ,_cdf .GenerationNumber ,nil ;};if _bed ,_dea :=_cc .(*PdfObjectStream );_dea {return _bed .ObjectNumber ,_bed .GenerationNumber ,nil ;};return 0,0,_a .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");
};

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

// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_faca *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _cbc _cdg .Buffer ;_eaed :=_cdg .NewReader (encoded );var _gcee _gf .ReadCloser ;if _faca .EarlyChange ==1{_gcee =_be .NewReader (_eaed ,_be .MSB ,8);}else {_gcee =_bc .NewReader (_eaed ,_bc .MSB ,8);
};defer _gcee .Close ();if _ ,_agdb :=_cbc .ReadFrom (_gcee );_agdb !=nil {if _agdb !=_gf .ErrUnexpectedEOF ||_cbc .Len ()==0{return nil ,_agdb ;};_cde .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",_agdb );
};return _cbc .Bytes (),nil ;};const (_fedb =0;_bgcc =1;_deeb =2;_baeff =3;_bge =4;);

// HeaderCommentBytes gets the header comment bytes.
func (_bgc ParserMetadata )HeaderCommentBytes ()[4]byte {return _bgc ._gdce };var _aeff =_ab .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");

// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_f .Model ;Bounds ()_ge .Rectangle ;At (_adfb ,_dgbd int )_f .Color ;Set (_gcc ,_gggdd int ,_dbgf _f .Color );};

// GetCrypter returns the PdfCrypt instance which has information about the PDFs encryption.
func (_cbfa *PdfParser )GetCrypter ()*PdfCrypt {return _cbfa ._bgad };func (_ecbg *PdfParser )seekToEOFMarker (_agfb int64 )error {var _fgcdc int64 ;var _ebda int64 =2048;for _fgcdc < _agfb -4{if _agfb <=(_ebda +_fgcdc ){_ebda =_agfb -_fgcdc ;};_ ,_eebee :=_ecbg ._cgcc .Seek (-_fgcdc -_ebda ,_gf .SeekEnd );
if _eebee !=nil {return _eebee ;};_ddae :=make ([]byte ,_ebda );_ecbg ._cgcc .Read (_ddae );_cde .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 (_ddae ));
_cabc :=_aeff .FindAllStringIndex (string (_ddae ),-1);if _cabc !=nil {_afbg :=_cabc [len (_cabc )-1];_cde .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_cabc );_dbdc :=-_fgcdc -_ebda +int64 (_afbg [0]);_ecbg ._cgcc .Seek (_dbdc ,_gf .SeekEnd );
return nil ;};_cde .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");
_fgcdc +=_ebda -4;};_cde .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 _a .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};

// HasNonConformantStream implements core.ParserMetadata.
func (_fccg ParserMetadata )HasNonConformantStream ()bool {return _fccg ._bdca };

// 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 ;};

// 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 (_gfee *PdfParser )GetTrailer ()*PdfObjectDictionary {return _gfee ._cgdd };

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

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

// 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 (_fcgg *MultiEncoder )GetFilterName ()string {_abdgc :="";for _eafb ,_daef :=range _fcgg ._fcec {_abdgc +=_daef .GetFilterName ();if _eafb < len (_fcgg ._fcec )-1{_abdgc +="\u0020";};};return _abdgc ;};

// MakeDict creates and returns an empty PdfObjectDictionary.
func MakeDict ()*PdfObjectDictionary {_afgbc :=&PdfObjectDictionary {};_afgbc ._aafc =map[PdfObjectName ]PdfObject {};_afgbc ._fefba =[]PdfObjectName {};_afgbc ._cgcg =&_d .Mutex {};return _afgbc ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_ccee *FlateEncoder )MakeDecodeParams ()PdfObject {if _ccee .Predictor > 1{_feec :=MakeDict ();_feec .Set ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr",MakeInteger (int64 (_ccee .Predictor )));if _ccee .BitsPerComponent !=8{_feec .Set ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074",MakeInteger (int64 (_ccee .BitsPerComponent )));
};if _ccee .Columns !=1{_feec .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_ccee .Columns )));};if _ccee .Colors !=1{_feec .Set ("\u0043\u006f\u006c\u006f\u0072\u0073",MakeInteger (int64 (_ccee .Colors )));};return _feec ;};return nil ;
};type xrefType int ;func (_ddee *PdfObjectDictionary )setWithLock (_bfgf PdfObjectName ,_cdeg PdfObject ,_defb bool ){if _defb {_ddee ._cgcg .Lock ();defer _ddee ._cgcg .Unlock ();};_ ,_cdbe :=_ddee ._aafc [_bfgf ];if !_cdbe {_ddee ._fefba =append (_ddee ._fefba ,_bfgf );
};_ddee ._aafc [_bfgf ]=_cdeg ;};

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

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _bb .Filter ,userPass ,ownerPass []byte ,perm _fce .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_bac :=&PdfCrypt {_ade :make (map[PdfObject ]bool ),_eeea :make (cryptFilters ),_bg :_fce .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _bcg Version ;if cf !=nil {_cee :=cf .PDFVersion ();_bcg .Major ,_bcg .Minor =_cee [0],_cee [1];V ,R :=cf .HandlerVersion ();_bac ._gcd .V =V ;_bac ._bg .R =R ;_bac ._gcd .Length =cf .KeyLength ()*8;};const (_eca =_eeb ;);_bac ._eeea [_eca ]=cf ;if _bac ._gcd .V >=4{_bac ._adc =_eca ;
_bac ._cfc =_eca ;};_gge :=_bac .newEncryptDict ();_bfe :=_cd .Sum ([]byte (_ce .Now ().Format (_ce .RFC850 )));_ffe :=string (_bfe [:]);_dag :=make ([]byte ,100);_ba .Read (_dag );_bfe =_cd .Sum (_dag );_ffb :=string (_bfe [:]);_cde .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_dag );
_cde .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_ffe );_bac ._dadg =_ffe ;_cdgb :=_bac .generateParams (userPass ,ownerPass );if _cdgb !=nil {return nil ,nil ,_cdgb ;};_cfb (&_bac ._bg ,_gge );if _bac ._gcd .V >=4{if _gde :=_bac .saveCryptFilters (_gge );
_gde !=nil {return nil ,nil ,_gde ;};};return _bac ,&EncryptInfo {Version :_bcg ,Encrypt :_gge ,ID0 :_ffe ,ID1 :_ffb },nil ;};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_fafa *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _fafa .Predictor !=1&&_fafa .Predictor !=11{_cde .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 _fafa .Predictor ==11{_dcdf :=_fafa .Columns ;_ebdfa :=len (data )/_dcdf ;if len (data )%_dcdf !=0{_cde .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_a .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_ede :=_cdg .NewBuffer (nil );_aabb :=make ([]byte ,_dcdf );for _gdefc :=0;_gdefc < _ebdfa ;_gdefc ++{_gdagd :=data [_dcdf *_gdefc :_dcdf *(_gdefc +1)];
_aabb [0]=_gdagd [0];for _gadg :=1;_gadg < _dcdf ;_gadg ++{_aabb [_gadg ]=byte (int (_gdagd [_gadg ]-_gdagd [_gadg -1])%256);};_ede .WriteByte (1);_ede .Write (_aabb );};data =_ede .Bytes ();};var _eff _cdg .Buffer ;_gfag :=_bf .NewWriter (&_eff );_gfag .Write (data );
_gfag .Close ();return _eff .Bytes (),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 (_fdbc *FlateEncoder )SetPredictor (columns int ){_fdbc .Predictor =11;_fdbc .Columns =columns };

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_dbgbg *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_acde :=_cdg .NewReader (data );var _cdeaf []byte ;var _gecb []byte ;_dfba ,_gfagb :=_acde .ReadByte ();if _gfagb ==_gf .EOF {return []byte {},nil ;}else if _gfagb !=nil {return nil ,_gfagb ;
};_ceag :=1;for {_ffgec ,_ebbc :=_acde .ReadByte ();if _ebbc ==_gf .EOF {break ;}else if _ebbc !=nil {return nil ,_ebbc ;};if _ffgec ==_dfba {if len (_gecb )> 0{_gecb =_gecb [:len (_gecb )-1];if len (_gecb )> 0{_cdeaf =append (_cdeaf ,byte (len (_gecb )-1));
_cdeaf =append (_cdeaf ,_gecb ...);};_ceag =1;_gecb =[]byte {};};_ceag ++;if _ceag >=127{_cdeaf =append (_cdeaf ,byte (257-_ceag ),_dfba );_ceag =0;};}else {if _ceag > 0{if _ceag ==1{_gecb =[]byte {_dfba };}else {_cdeaf =append (_cdeaf ,byte (257-_ceag ),_dfba );
};_ceag =0;};_gecb =append (_gecb ,_ffgec );if len (_gecb )>=127{_cdeaf =append (_cdeaf ,byte (len (_gecb )-1));_cdeaf =append (_cdeaf ,_gecb ...);_gecb =[]byte {};};};_dfba =_ffgec ;};if len (_gecb )> 0{_cdeaf =append (_cdeaf ,byte (len (_gecb )-1));_cdeaf =append (_cdeaf ,_gecb ...);
}else if _ceag > 0{_cdeaf =append (_cdeaf ,byte (257-_ceag ),_dfba );};_cdeaf =append (_cdeaf ,128);return _cdeaf ,nil ;};

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_bgac *JBIG2Encoder )MakeStreamDict ()*PdfObjectDictionary {_febgb :=MakeDict ();_febgb .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_bgac .GetFilterName ()));return _febgb ;};func _decg (_eecg _gf .ReadSeeker ,_dcga int64 )(*offsetReader ,error ){_dabg :=&offsetReader {_bggd :_eecg ,_ggce :_dcga };
_ ,_dcbe :=_dabg .Seek (0,_gf .SeekStart );return _dabg ,_dcbe ;};func _bgca (_ebac *PdfObjectDictionary )(_gacd *_dc .ImageBase ){var (_gcegb *PdfObjectInteger ;_aagc bool ;);if _gcegb ,_aagc =_ebac .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );
_aagc {_gacd =&_dc .ImageBase {Width :int (*_gcegb )};}else {return nil ;};if _gcegb ,_aagc =_ebac .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );_aagc {_gacd .Height =int (*_gcegb );};if _gcegb ,_aagc =_ebac .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );
_aagc {_gacd .BitsPerComponent =int (*_gcegb );};if _gcegb ,_aagc =_ebac .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );_aagc {_gacd .ColorComponents =int (*_gcegb );};return _gacd ;};

// 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 )(_ecgaf *PdfObjectStreams ,_cffc bool ){_ecgaf ,_cffc =obj .(*PdfObjectStreams );return _ecgaf ,_cffc ;};

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

// UpdateParams updates the parameter values of the encoder.
func (_fgca *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _fbeb ,_bcgc :=GetNumberAsInt64 (params .Get ("\u004b"));_bcgc ==nil {_fgca .K =int (_fbeb );};if _ebag ,_gfeag :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_gfeag ==nil {_fgca .Columns =int (_ebag );}else if _ebag ,_gfeag =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_gfeag ==nil {_fgca .Columns =int (_ebag );};if _ffdb ,_eabg :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_eabg ==nil {_fgca .BlackIs1 =_ffdb > 0;}else {if _ggbb ,_cggf :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_cggf {_fgca .BlackIs1 =_ggbb ;}else {if _bdef ,_fdfeg :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_fdfeg {_afdb ,_acfc :=_bdef .ToIntegerArray ();if _acfc ==nil {_fgca .BlackIs1 =_afdb [0]==1&&_afdb [1]==0;};};};};if _fgfc ,_caf :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_caf ==nil {_fgca .EncodedByteAlign =_fgfc > 0;}else {if _cdda ,_geba :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_geba {_fgca .EncodedByteAlign =_cdda ;};};if _edgb ,_gbge :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_gbge ==nil {_fgca .EndOfLine =_edgb > 0;}else {if _dgcc ,_fddg :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_fddg {_fgca .EndOfLine =_dgcc ;};};if _edfe ,_dbcb :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));
_dbcb ==nil {_fgca .Rows =int (_edfe );}else if _edfe ,_dbcb =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_dbcb ==nil {_fgca .Rows =int (_edfe );};if _ddf ,_bgfe :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_bgfe ==nil {_fgca .EndOfBlock =_ddf > 0;}else {if _fbea ,_gdccc :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_gdccc {_fgca .EndOfBlock =_fbea ;};};if _cfba ,_febg :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_febg !=nil {_fgca .DamagedRowsBeforeError =int (_cfba );};};

// 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 _efaee _cdg .Buffer ;_efaee .Write ([]byte {0xFE,0xFF});_efaee .WriteString (_ad .StringToUTF16 (s ));return &PdfObjectString {_edeab :_efaee .String (),_ebfcb :true };};
return &PdfObjectString {_edeab :string (_ad .StringToPDFDocEncoding (s )),_ebfcb :false };};

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

// 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 ;};

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

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

// ReadBytesAt reads byte content at specific offset and length within the PDF.
func (_cfccg *PdfParser )ReadBytesAt (offset ,len int64 )([]byte ,error ){_adga :=_cfccg .GetFileOffset ();_ ,_cdfc :=_cfccg ._cgcc .Seek (offset ,_gf .SeekStart );if _cdfc !=nil {return nil ,_cdfc ;};_bgfa :=make ([]byte ,len );_ ,_cdfc =_gf .ReadAtLeast (_cfccg ._cgcc ,_bgfa ,int (len ));
if _cdfc !=nil {return nil ,_cdfc ;};_cfccg .SetFileOffset (_adga );return _bgfa ,nil ;};var _aeafe =_ab .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");


// 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 *_dg .Reader )(PdfObject ,error ){_eafbf :=false ;_decd :=true ;var _fdccd _cdg .Buffer ;for {if _cde .Log .IsLogLevel (_cde .LogLevelTrace ){_cde .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_fdccd .String ());
};_gcab ,_aafbd :=buf .Peek (1);if _aafbd ==_gf .EOF {break ;};if _aafbd !=nil {_cde .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_aafbd );return nil ,_aafbd ;};if _decd &&(_gcab [0]=='-'||_gcab [0]=='+'){_cfbe ,_ :=buf .ReadByte ();
_fdccd .WriteByte (_cfbe );_decd =false ;}else if IsDecimalDigit (_gcab [0]){_cbbfc ,_ :=buf .ReadByte ();_fdccd .WriteByte (_cbbfc );}else if _gcab [0]=='.'{_gbbd ,_ :=buf .ReadByte ();_fdccd .WriteByte (_gbbd );_eafbf =true ;}else if _gcab [0]=='e'||_gcab [0]=='E'{_gffcf ,_ :=buf .ReadByte ();
_fdccd .WriteByte (_gffcf );_eafbf =true ;_decd =true ;}else {break ;};};var _eeegg PdfObject ;if _eafbf {_bbebb ,_agee :=_g .ParseFloat (_fdccd .String (),64);if _agee !=nil {_cde .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",_fdccd .String (),_agee );
_bbebb =0.0;};_cfbb :=PdfObjectFloat (_bbebb );_eeegg =&_cfbb ;}else {_cecb ,_abbg :=_g .ParseInt (_fdccd .String (),10,64);if _abbg !=nil {_cde .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",_fdccd .String (),_abbg );
_cecb =0;};_ggddc :=PdfObjectInteger (_cecb );_eeegg =&_ggddc ;};return _eeegg ,nil ;};

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

// 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 )(_dgad *PdfObjectName ,_adeac bool ){_dgad ,_adeac =TraceToDirectObject (obj ).(*PdfObjectName );return _dgad ,_adeac ;};

// 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 _bbfa (o ,0,traversed );};func (_cbee *PdfCrypt )authenticate (_fggb []byte )(bool ,error ){_cbee ._eee =false ;
_aae :=_cbee .securityHandler ();_bab ,_cbd ,_efe :=_aae .Authenticate (&_cbee ._bg ,_fggb );if _efe !=nil {return false ,_efe ;}else if _cbd ==0||len (_bab )==0{return false ,nil ;};_cbee ._eee =true ;_cbee ._dbg =_bab ;return true ,nil ;};var _eda =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};


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

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

// MakeArray creates an PdfObjectArray from a list of PdfObjects.
func MakeArray (objects ...PdfObject )*PdfObjectArray {return &PdfObjectArray {_gcba :objects }};func (_gcgb *PdfParser )parseName ()(PdfObjectName ,error ){var _ebgc _cdg .Buffer ;_aecc :=false ;for {_ceeb ,_cgfb :=_gcgb ._ecdc .Peek (1);if _cgfb ==_gf .EOF {break ;
};if _cgfb !=nil {return PdfObjectName (_ebgc .String ()),_cgfb ;};if !_aecc {if _ceeb [0]=='/'{_aecc =true ;_gcgb ._ecdc .ReadByte ();}else if _ceeb [0]=='%'{_gcgb .readComment ();_gcgb .skipSpaces ();}else {_cde .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",_ceeb ,_ceeb );
return PdfObjectName (_ebgc .String ()),_fc .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_ceeb [0]);};}else {if IsWhiteSpace (_ceeb [0]){break ;}else if (_ceeb [0]=='/')||(_ceeb [0]=='[')||(_ceeb [0]=='(')||(_ceeb [0]==']')||(_ceeb [0]=='<')||(_ceeb [0]=='>'){break ;
}else if _ceeb [0]=='#'{_edgg ,_edbg :=_gcgb ._ecdc .Peek (3);if _edbg !=nil {return PdfObjectName (_ebgc .String ()),_edbg ;};_gcef ,_edbg :=_ca .DecodeString (string (_edgg [1:3]));if _edbg !=nil {_cde .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");
_ebgc .WriteByte ('#');_gcgb ._ecdc .Discard (1);continue ;};_gcgb ._ecdc .Discard (3);_ebgc .Write (_gcef );}else {_eddg ,_ :=_gcgb ._ecdc .ReadByte ();_ebgc .WriteByte (_eddg );};};};return PdfObjectName (_ebgc .String ()),nil ;};

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_bfgde *CCITTFaxEncoder )MakeDecodeParams ()PdfObject {_bfeg :=MakeDict ();_bfeg .Set ("\u004b",MakeInteger (int64 (_bfgde .K )));_bfeg .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_bfgde .Columns )));if _bfgde .BlackIs1 {_bfeg .Set ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031",MakeBool (_bfgde .BlackIs1 ));
};if _bfgde .EncodedByteAlign {_bfeg .Set ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e",MakeBool (_bfgde .EncodedByteAlign ));};if _bfgde .EndOfLine &&_bfgde .K >=0{_bfeg .Set ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee",MakeBool (_bfgde .EndOfLine ));
};if _bfgde .Rows !=0&&!_bfgde .EndOfBlock {_bfeg .Set ("\u0052\u006f\u0077\u0073",MakeInteger (int64 (_bfgde .Rows )));};if !_bfgde .EndOfBlock {_bfeg .Set ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b",MakeBool (_bfgde .EndOfBlock ));
};if _bfgde .DamagedRowsBeforeError !=0{_bfeg .Set ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072",MakeInteger (int64 (_bfgde .DamagedRowsBeforeError )));};return _bfeg ;};func (_fbd *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_ace :=MakeDict ();
_ace .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));_ace .Set ("\u0056",MakeInteger (int64 (_fbd ._gcd .V )));_ace .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_fbd ._gcd .Length )));
return _ace ;};

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

// PdfObjectStreams represents the primitive PDF object streams.
// 7.5.7 Object Streams (page 45).
type PdfObjectStreams struct{PdfObjectReference ;_fadc []PdfObject ;};type objectStream struct{N int ;_adf []byte ;_fe map[int ]int64 ;};var _aadd =_ab .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");
func _adfd (_gfg XrefTable ){_cde .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");_cde .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_ggb :=0;for _ ,_aaa :=range _gfg .ObjectMap {_cde .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",_ggb +1,_aaa .ObjectNumber ,_aaa .Generation ,_aaa .Offset );
_ggb ++;};};var (ErrUnsupportedEncodingParameters =_a .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 =_a .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 =_a .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 =_a .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 =_a .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_a .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_gfa .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 =_a .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);func (_aed *PdfParser )parseObject ()(PdfObject ,error ){_cde .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");_aed .skipSpaces ();for {_edfg ,_gaaaa :=_aed ._ecdc .Peek (2);if _gaaaa !=nil {if _gaaaa !=_gf .EOF ||len (_edfg )==0{return nil ,_gaaaa ;
};if len (_edfg )==1{_edfg =append (_edfg ,' ');};};_cde .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_edfg ));if _edfg [0]=='/'{_ebgca ,_ecdd :=_aed .parseName ();_cde .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_ebgca );
return &_ebgca ,_ecdd ;}else if _edfg [0]=='('{_cde .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");_bfaee ,_beca :=_aed .parseString ();return _bfaee ,_beca ;}else if _edfg [0]=='['{_cde .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");
_bage ,_cfced :=_aed .parseArray ();return _bage ,_cfced ;}else if (_edfg [0]=='<')&&(_edfg [1]=='<'){_cde .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");_dcgac ,_bccbd :=_aed .ParseDict ();return _dcgac ,_bccbd ;}else if _edfg [0]=='<'{_cde .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");
_fcdb ,_facc :=_aed .parseHexString ();return _fcdb ,_facc ;}else if _edfg [0]=='%'{_aed .readComment ();_aed .skipSpaces ();}else {_cde .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_edfg ,_ =_aed ._ecdc .Peek (15);
_fabd :=string (_edfg );_cde .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_fabd );if (len (_fabd )> 3)&&(_fabd [:4]=="\u006e\u0075\u006c\u006c"){_ddba ,_cfdg :=_aed .parseNull ();return &_ddba ,_cfdg ;}else if (len (_fabd )> 4)&&(_fabd [:5]=="\u0066\u0061\u006cs\u0065"){_cagca ,_abdd :=_aed .parseBool ();
return &_cagca ,_abdd ;}else if (len (_fabd )> 3)&&(_fabd [:4]=="\u0074\u0072\u0075\u0065"){_geagf ,_aebc :=_aed .parseBool ();return &_geagf ,_aebc ;};_afad :=_efc .FindStringSubmatch (_fabd );if len (_afad )> 1{_edfg ,_ =_aed ._ecdc .ReadBytes ('R');
_cde .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_edfg [:]));_ccbd ,_dbdg :=_babc (string (_edfg ));_ccbd ._cbbe =_aed ;return &_ccbd ,_dbdg ;};_dfe :=_aadd .FindStringSubmatch (_fabd );if len (_dfe )> 1{_cde .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");
_fdcc ,_ebeea :=_aed .parseNumber ();return _fdcc ,_ebeea ;};_dfe =_cfge .FindStringSubmatch (_fabd );if len (_dfe )> 1{_cde .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");
_cde .Log .Trace ("\u0025\u0020\u0073",_dfe );_gdedd ,_abcf :=_aed .parseNumber ();return _gdedd ,_abcf ;};_cde .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_fabd );
return nil ,_a .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");
};};};

// 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 (_gddc *JBIG2Encoder )DecodeImages (encoded []byte )([]_ge .Image ,error ){const _caba ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_egfc ,_gfdg :=_fgb .Decode (encoded ,_fgb .Parameters {},_gddc .Globals .ToDocumentGlobals ());
if _gfdg !=nil {return nil ,_gef .Wrap (_gfdg ,_caba ,"");};_deea ,_gfdg :=_egfc .PageNumber ();if _gfdg !=nil {return nil ,_gef .Wrap (_gfdg ,_caba ,"");};_cced :=[]_ge .Image {};var _dagb _ge .Image ;for _cage :=1;_cage <=_deea ;_cage ++{_dagb ,_gfdg =_egfc .DecodePageImage (_cage );
if _gfdg !=nil {return nil ,_gef .Wrapf (_gfdg ,_caba ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_cage );};_cced =append (_cced ,_dagb );};return _cced ,nil ;};

// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_gcd encryptDict ;_bg _fce .StdEncryptDict ;_dadg string ;_dbg []byte ;_dca map[PdfObject ]bool ;_ade map[PdfObject ]bool ;_eee bool ;_eeea cryptFilters ;_adc string ;_cfc string ;_geb *PdfParser ;_fca map[int ]struct{};};type cryptFilters map[string ]_bb .Filter ;
func _gfcf (_ddbe *PdfObjectStream ,_dfbf *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;};

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

// 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 )(_gdda *PdfObjectInteger ,_bgdeg bool ){_gdda ,_bgdeg =TraceToDirectObject (obj ).(*PdfObjectInteger );return _gdda ,_bgdeg ;};func (_dgbb *PdfObjectInteger )String ()string {return _fc .Sprintf ("\u0025\u0064",*_dgbb )};func (_gag *PdfCrypt )securityHandler ()_fce .StdHandler {if _gag ._bg .R >=5{return _fce .NewHandlerR6 ();
};return _fce .NewHandlerR4 (_gag ._dadg ,_gag ._gcd .Length );};

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

// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_eed *PdfCrypt )GetAccessPermissions ()_fce .Permissions {return _eed ._bg .P };

// 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 )(_bged float64 ,_gaebb bool ){_gaag ,_gaebb :=TraceToDirectObject (obj ).(*PdfObjectFloat );if _gaebb {return float64 (*_gaag ),true ;};return 0,false ;};

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

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

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

// 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 (_febe *PdfParser )IsEncrypted ()(bool ,error ){if _febe ._bgad !=nil {return true ,nil ;}else if _febe ._cgdd ==nil {return false ,nil ;};_cde .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");
_ccgfc :=_febe ._cgdd .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _ccgfc ==nil {return false ,nil ;};_cde .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_fcgd *PdfObjectDictionary ;);switch _dbgbe :=_ccgfc .(type ){case *PdfObjectDictionary :_fcgd =_dbgbe ;
case *PdfObjectReference :_cde .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_dbgbe );_dfac ,_afgd :=_febe .LookupByReference (*_dbgbe );_cde .Log .Trace ("\u0031\u003a\u0020%\u0071",_dfac );
if _afgd !=nil {return false ,_afgd ;};_adda ,_adec :=_dfac .(*PdfIndirectObject );if !_adec {_cde .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 ,_a .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_dfcag ,_adec :=_adda .PdfObject .(*PdfObjectDictionary );_febe ._cgcde =_adda ;_cde .Log .Trace ("\u0032\u003a\u0020%\u0071",_dfcag );if !_adec {return false ,_a .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");
};_fcgd =_dfcag ;case *PdfObjectNull :_cde .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 ,_fc .Errorf ("u\u006es\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0074\u0079\u0070\u0065: \u0025\u0054",_dbgbe );};_cdfbf ,_cdeac :=PdfCryptNewDecrypt (_febe ,_fcgd ,_febe ._cgdd );if _cdeac !=nil {return false ,_cdeac ;
};for _ ,_ffee :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_fefd :=_febe ._cgdd .Get (PdfObjectName (_ffee ));if _fefd ==nil {continue ;};switch _gfbce :=_fefd .(type ){case *PdfObjectReference :_cdfbf ._fca [int (_gfbce .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_cdfbf ._dca [_gfbce ]=true ;_cdfbf ._fca [int (_gfbce .ObjectNumber )]=struct{}{};};};_febe ._bgad =_cdfbf ;_cde .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_cdfbf );
return true ,nil ;};

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_eeef []float64 ,_fbga error ){for _ ,_ecgc :=range objects {_gdgd ,_agc :=GetNumberAsFloat (_ecgc );if _agc !=nil {return nil ,_agc ;};_eeef =append (_eeef ,_gdgd );};return _eeef ,nil ;};

// SetFileOffset sets the file to an offset position and resets buffer.
func (_aaeg *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_aaeg ._cgcc .Seek (offset ,_gf .SeekStart );_aaeg ._ecdc =_dg .NewReader (_aaeg ._cgcc );};

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

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_beef *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_aaab :=encoded ;var _ffce error ;for _ ,_dbbe :=range _beef ._fcec {_cde .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",_dbbe ,_dbbe );
_aaab ,_ffce =_dbbe .DecodeBytes (_aaab );if _ffce !=nil {return nil ,_ffce ;};};return _aaab ,nil ;};

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

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

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

// Get returns the i-th element of the array or nil if out of bounds (by index).
func (_cadfa *PdfObjectArray )Get (i int )PdfObject {if _cadfa ==nil ||i >=len (_cadfa ._gcba )||i < 0{return nil ;};return _cadfa ._gcba [i ];};func (_dacba *JBIG2Image )toBitmap ()(_egdf *_abg .Bitmap ,_eccb error ){const _ceea ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";
if _dacba .Data ==nil {return nil ,_gef .Error (_ceea ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");};if _dacba .Width ==0||_dacba .Height ==0{return nil ,_gef .Error (_ceea ,"\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 _dacba .HasPadding {_egdf ,_eccb =_abg .NewWithData (_dacba .Width ,_dacba .Height ,_dacba .Data );}else {_egdf ,_eccb =_abg .NewWithUnpaddedData (_dacba .Width ,_dacba .Height ,_dacba .Data );};if _eccb !=nil {return nil ,_gef .Wrap (_eccb ,_ceea ,"");
};return _egdf ,nil ;};

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

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

// 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 (_gcce *PdfObjectString )Str ()string {return _gcce ._edeab };

// 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 ;_ecde *_gd .Document ;

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

// 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 (_caac *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _caac .isDecrypted (obj ){return nil ;};switch _dae :=obj .(type ){case *PdfIndirectObject :_caac ._dca [_dae ]=true ;_cde .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",_dae .ObjectNumber ,_dae .GenerationNumber );
_ggc :=_dae .ObjectNumber ;_egb :=_dae .GenerationNumber ;_fba :=_caac .Decrypt (_dae .PdfObject ,_ggc ,_egb );if _fba !=nil {return _fba ;};return nil ;case *PdfObjectStream :_caac ._dca [_dae ]=true ;_efa :=_dae .PdfObjectDictionary ;if _caac ._bg .R !=5{if _ffcb ,_dcd :=_efa .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_dcd &&*_ffcb =="\u0058\u0052\u0065\u0066"{return nil ;};};_cge :=_dae .ObjectNumber ;_ggca :=_dae .GenerationNumber ;_cde .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_cge ,_ggca );
_dbe :=_eeb ;if _caac ._gcd .V >=4{_dbe =_caac ._adc ;_cde .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_caac ._adc );if _ffab ,_egc :=_efa .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_egc {if _befd ,_faf :=GetName (_ffab .Get (0));_faf {if *_befd =="\u0043\u0072\u0079p\u0074"{_dbe ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _cdeb ,_deg :=_efa .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_deg {if _eeff ,_adef :=_cdeb .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_adef {if _ ,_cdfe :=_caac ._eeea [string (*_eeff )];_cdfe {_cde .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_eeff );
_dbe =string (*_eeff );};};};};};};_cde .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_dbe );if _dbe =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_geac :=_caac .Decrypt (_efa ,_cge ,_ggca );
if _geac !=nil {return _geac ;};_afec ,_geac :=_caac .makeKey (_dbe ,uint32 (_cge ),uint32 (_ggca ),_caac ._dbg );if _geac !=nil {return _geac ;};_dae .Stream ,_geac =_caac .decryptBytes (_dae .Stream ,_dbe ,_afec );if _geac !=nil {return _geac ;};_efa .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_dae .Stream ))));
return nil ;case *PdfObjectString :_cde .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_gebe :=_eeb ;if _caac ._gcd .V >=4{_cde .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_caac ._cfc );
if _caac ._cfc =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_gebe =_caac ._cfc ;};_dcc ,_gcb :=_caac .makeKey (_gebe ,uint32 (parentObjNum ),uint32 (parentGenNum ),_caac ._dbg );if _gcb !=nil {return _gcb ;};_cgf :=_dae .Str ();_bcb :=make ([]byte ,len (_cgf ));
for _abc :=0;_abc < len (_cgf );_abc ++{_bcb [_abc ]=_cgf [_abc ];};if len (_bcb )> 0{_cde .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_bcb ,_bcb );
_bcb ,_gcb =_caac .decryptBytes (_bcb ,_gebe ,_dcc );if _gcb !=nil {return _gcb ;};};_dae ._edeab =string (_bcb );return nil ;case *PdfObjectArray :for _ ,_bfbd :=range _dae .Elements (){_baac :=_caac .Decrypt (_bfbd ,parentObjNum ,parentGenNum );if _baac !=nil {return _baac ;
};};return nil ;case *PdfObjectDictionary :_cfbd :=false ;if _fee :=_dae .Get ("\u0054\u0079\u0070\u0065");_fee !=nil {_abe ,_cbdb :=_fee .(*PdfObjectName );if _cbdb &&*_abe =="\u0053\u0069\u0067"{_cfbd =true ;};};for _ ,_ebg :=range _dae .Keys (){_baef :=_dae .Get (_ebg );
if _cfbd &&string (_ebg )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_ebg )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_ebg )!="\u0050\u0072\u0065\u0076"&&string (_ebg )!="\u004c\u0061\u0073\u0074"{_gdad :=_caac .Decrypt (_baef ,parentObjNum ,parentGenNum );
if _gdad !=nil {return _gdad ;};};};return nil ;};return nil ;};func _bbfa (_fggc PdfObject ,_gdca int ,_fdce map[PdfObject ]struct{})error {_cde .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",_gdca );
if _ ,_badb :=_fdce [_fggc ];_badb {_cde .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_fdce [_fggc ]=struct{}{};switch _ecbgc :=_fggc .(type ){case *PdfIndirectObject :_cgecg :=_ecbgc ;
_cde .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_cgecg );_cde .Log .Trace ("\u002d\u0020\u0025\u0073",_cgecg .PdfObject );return _bbfa (_cgecg .PdfObject ,_gdca +1,_fdce );case *PdfObjectStream :_cdagg :=_ecbgc ;return _bbfa (_cdagg .PdfObjectDictionary ,_gdca +1,_fdce );
case *PdfObjectDictionary :_gbcc :=_ecbgc ;_cde .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_gbcc );for _ ,_defe :=range _gbcc .Keys (){_dbeg :=_gbcc .Get (_defe );if _ffaa ,_dfed :=_dbeg .(*PdfObjectReference );_dfed {_ffdgc :=_ffaa .Resolve ();
_gbcc .Set (_defe ,_ffdgc );_daad :=_bbfa (_ffdgc ,_gdca +1,_fdce );if _daad !=nil {return _daad ;};}else {_gdbb :=_bbfa (_dbeg ,_gdca +1,_fdce );if _gdbb !=nil {return _gdbb ;};};};return nil ;case *PdfObjectArray :_fffd :=_ecbgc ;_cde .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_fffd );
for _feabd ,_eaeef :=range _fffd .Elements (){if _dcba ,_aggeg :=_eaeef .(*PdfObjectReference );_aggeg {_efafb :=_dcba .Resolve ();_fffd .Set (_feabd ,_efafb );_gbffa :=_bbfa (_efafb ,_gdca +1,_fdce );if _gbffa !=nil {return _gbffa ;};}else {_egac :=_bbfa (_eaeef ,_gdca +1,_fdce );
if _egac !=nil {return _egac ;};};};return nil ;case *PdfObjectReference :_cde .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 _a .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};return nil ;};

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

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

// 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 )(_dcac bool ,_fccaf bool ){_fecc ,_fccaf :=TraceToDirectObject (obj ).(*PdfObjectBool );if _fccaf {return bool (*_fecc ),true ;};return false ,false ;};

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

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

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

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

// 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 )(_bfebc string ,_debc bool ){_bfbbf ,_debc :=TraceToDirectObject (obj ).(*PdfObjectName );if _debc {return string (*_bfbbf ),true ;};return ;};

// 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 _gf .ReadSeeker )(_gfbe *PdfParser ,_cfcd error ){_gfbe =&PdfParser {_cgcc :rs ,ObjCache :make (objectCache ),_ggbf :map[int64 ]bool {},_accg :true };if _cfcd =_gfbe .parseDetailedHeader ();_cfcd !=nil {return nil ,_cfcd ;
};if _gfbe ._cgdd ,_cfcd =_gfbe .loadXrefs ();_cfcd !=nil {_cde .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",_cfcd );return nil ,_cfcd ;
};_cde .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_gfbe ._cgdd );if len (_gfbe ._cacg .ObjectMap )==0{return nil ,_fc .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 _gfbe ,nil ;};func (_fdbff *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_fdbff ._cacg .ObjectMap =make (map[int ]XrefObject );_fdbff ._aabbc =make (objectStreams );_edgad ,_gceg :=_fdbff ._cgcc .Seek (0,_gf .SeekEnd );if _gceg !=nil {return nil ,_gceg ;
};_cde .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_edgad );_fdbff ._fbda =_edgad ;_gceg =_fdbff .seekToEOFMarker (_edgad );if _gceg !=nil {_cde .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",_gceg );
return nil ,_gceg ;};_bedg ,_gceg :=_fdbff ._cgcc .Seek (0,_gf .SeekCurrent );if _gceg !=nil {return nil ,_gceg ;};var _fbac int64 =64;_acbdf :=_bedg -_fbac ;if _acbdf < 0{_acbdf =0;};_ ,_gceg =_fdbff ._cgcc .Seek (_acbdf ,_gf .SeekStart );if _gceg !=nil {return nil ,_gceg ;
};_abgaa :=make ([]byte ,_fbac );_ ,_gceg =_fdbff ._cgcc .Read (_abgaa );if _gceg !=nil {_cde .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",_gceg );
return nil ,_gceg ;};_gfbg :=_bcbb .FindStringSubmatch (string (_abgaa ));if len (_gfbg )< 2{_cde .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 ,_a .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};if len (_gfbg )> 2{_cde .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",_abgaa );
return nil ,_a .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");};_cafe ,_ :=_g .ParseInt (_gfbg [1],10,64);_cde .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_cafe );
if _cafe > _edgad {_cde .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");_cde .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");
_cafe ,_gceg =_fdbff .repairLocateXref ();if _gceg !=nil {_cde .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 ,_gceg ;};};_fdbff ._cgcc .Seek (_cafe ,_gf .SeekStart );_fdbff ._ecdc =_dg .NewReader (_fdbff ._cgcc );_fdgg ,_gceg :=_fdbff .parseXref ();if _gceg !=nil {return nil ,_gceg ;};_dead :=_fdgg .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");if _dead !=nil {_cadfd ,_becb :=_dead .(*PdfObjectInteger );
if !_becb {return nil ,_a .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_gceg =_fdbff .parseXrefStream (_cadfd );if _gceg !=nil {return nil ,_gceg ;};};var _befb []int64 ;_fgbg :=func (_dbag int64 ,_fcfa []int64 )bool {for _ ,_abad :=range _fcfa {if _abad ==_dbag {return true ;
};};return false ;};_dead =_fdgg .Get ("\u0050\u0072\u0065\u0076");for _dead !=nil {_gfcd ,_eeacf :=_dead .(*PdfObjectInteger );if !_eeacf {_cde .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",_dead );
return _fdgg ,nil ;};_bcge :=*_gfcd ;_cde .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",_bcge );_fdbff ._cgcc .Seek (int64 (_bcge ),_gf .SeekStart );
_fdbff ._ecdc =_dg .NewReader (_fdbff ._cgcc );_fgdf ,_ddcf :=_fdbff .parseXref ();if _ddcf !=nil {_cde .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");
_cde .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 ;};_dead =_fgdf .Get ("\u0050\u0072\u0065\u0076");
if _dead !=nil {_agge :=*(_dead .(*PdfObjectInteger ));if _fgbg (int64 (_agge ),_befb ){_cde .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 ;};_befb =append (_befb ,int64 (_agge ));};};return _fdgg ,nil ;};

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_adag *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_adag ._cgcg .Lock ();defer _adag ._cgcg .Unlock ();_gaea ,_facg :=_adag ._aafc [key ];if !_facg {return nil ;};return _gaea ;};func (_ebff *JBIG2Encoder )encodeImage (_daacb _ge .Image )([]byte ,error ){const _gcaf ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";
_fddga ,_fgeg :=GoImageToJBIG2 (_daacb ,JB2ImageAutoThreshold );if _fgeg !=nil {return nil ,_gef .Wrap (_fgeg ,_gcaf ,"\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 _fgeg =_ebff .AddPageImage (_fddga ,&_ebff .DefaultPageSettings );_fgeg !=nil {return nil ,_gef .Wrap (_fgeg ,_gcaf ,"");};return _ebff .Encode ();};func _dcbed ()string {return _cde .Version };

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

// Version represents a version of a PDF standard.
type Version struct{Major int ;Minor int ;};type objectCache map[int ]PdfObject ;

// 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 (_cdcg *LZWEncoder )EncodeBytes (data []byte )([]byte ,error ){if _cdcg .Predictor !=1{return nil ,_fc .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 _cdcg .EarlyChange ==1{return nil ,_fc .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 _dedf _cdg .Buffer ;_cbbf :=_bc .NewWriter (&_dedf ,_bc .MSB ,8);_cbbf .Write (data );_cbbf .Close ();return _dedf .Bytes (),nil ;};

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

// 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 )(_ddcdf *PdfObjectDictionary ,_egec bool ){_ddcdf ,_egec =TraceToDirectObject (obj ).(*PdfObjectDictionary );return _ddcdf ,_egec ;};

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

// EncodeBytes encodes the image data using either Group3 or Group4 CCITT facsimile (fax) encoding.
// `data` is expected to be 1 color component, 1 bit per component. It is also valid to provide 8 BPC, 1 CC image like
// a standard go image Gray data.
func (_afde *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _dgbde _dc .Gray ;switch len (data ){case _afde .Rows *_afde .Columns :_bdg ,_dbaf :=_dc .NewImage (_afde .Columns ,_afde .Rows ,8,1,data ,nil ,nil );if _dbaf !=nil {return nil ,_dbaf ;
};_dgbde =_bdg .(_dc .Gray );case (_afde .Columns *_afde .Rows )+7>>3:_gdec ,_gbcb :=_dc .NewImage (_afde .Columns ,_afde .Rows ,1,1,data ,nil ,nil );if _gbcb !=nil {return nil ,_gbcb ;};_bfeee :=_gdec .(*_dc .Monochrome );if _gbcb =_bfeee .AddPadding ();
_gbcb !=nil {return nil ,_gbcb ;};_dgbde =_bfeee ;default:if len (data )< _dc .BytesPerLine (_afde .Columns ,1,1)*_afde .Rows {return nil ,_a .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_ebfb ,_efec :=_dc .NewImage (_afde .Columns ,_afde .Rows ,1,1,data ,nil ,nil );if _efec !=nil {return nil ,_efec ;};_facb :=_ebfb .(*_dc .Monochrome );_dgbde =_facb ;};_afa :=make ([][]byte ,_afde .Rows );for _fcfgd :=0;_fcfgd < _afde .Rows ;_fcfgd ++{_afgb :=make ([]byte ,_afde .Columns );
for _ffbb :=0;_ffbb < _afde .Columns ;_ffbb ++{_fdbg :=_dgbde .GrayAt (_ffbb ,_fcfgd );_afgb [_ffbb ]=_fdbg .Y >>7;};_afa [_fcfgd ]=_afgb ;};_deebc :=&_da .Encoder {K :_afde .K ,Columns :_afde .Columns ,EndOfLine :_afde .EndOfLine ,EndOfBlock :_afde .EndOfBlock ,BlackIs1 :_afde .BlackIs1 ,DamagedRowsBeforeError :_afde .DamagedRowsBeforeError ,Rows :_afde .Rows ,EncodedByteAlign :_afde .EncodedByteAlign };
return _deebc .Encode (_afa ),nil ;};type offsetReader struct{_bggd _gf .ReadSeeker ;_ggce int64 ;};

// Append appends PdfObject(s) to the streams.
func (_gcbf *PdfObjectStreams )Append (objects ...PdfObject ){if _gcbf ==nil {_cde .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 ;};_gcbf ._fadc =append (_gcbf ._fadc ,objects ...);};

// Encrypt an object with specified key. For numbered objects,
// the key argument is not used and a new one is generated based
// on the object and generation number.
// Traverses through all the subobjects (recursive).
//
// Does not look up references..  That should be done prior to calling.
func (_aeg *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _aeg .isEncrypted (obj ){return nil ;};switch _cdcf :=obj .(type ){case *PdfIndirectObject :_aeg ._ade [_cdcf ]=true ;_cde .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",_cdcf .ObjectNumber ,_cdcf .GenerationNumber );
_edd :=_cdcf .ObjectNumber ;_ea :=_cdcf .GenerationNumber ;_ggcf :=_aeg .Encrypt (_cdcf .PdfObject ,_edd ,_ea );if _ggcf !=nil {return _ggcf ;};return nil ;case *PdfObjectStream :_aeg ._ade [_cdcf ]=true ;_fcab :=_cdcf .PdfObjectDictionary ;if _agfa ,_cdfg :=_fcab .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_cdfg &&*_agfa =="\u0058\u0052\u0065\u0066"{return nil ;};_dfde :=_cdcf .ObjectNumber ;_cdcd :=_cdcf .GenerationNumber ;_cde .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_dfde ,_cdcd );
_dfc :=_eeb ;if _aeg ._gcd .V >=4{_dfc =_aeg ._adc ;_cde .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_aeg ._adc );if _fcde ,_affe :=_fcab .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_affe {if _aec ,_bga :=GetName (_fcde .Get (0));_bga {if *_aec =="\u0043\u0072\u0079p\u0074"{_dfc ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _eeag ,_edf :=_fcab .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_edf {if _ffag ,_abdg :=_eeag .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_abdg {if _ ,_efag :=_aeg ._eeea [string (*_ffag )];_efag {_cde .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_ffag );
_dfc =string (*_ffag );};};};};};};_cde .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_dfc );if _dfc =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_ggcb :=_aeg .Encrypt (_cdcf .PdfObjectDictionary ,_dfde ,_cdcd );
if _ggcb !=nil {return _ggcb ;};_bddg ,_ggcb :=_aeg .makeKey (_dfc ,uint32 (_dfde ),uint32 (_cdcd ),_aeg ._dbg );if _ggcb !=nil {return _ggcb ;};_cdcf .Stream ,_ggcb =_aeg .encryptBytes (_cdcf .Stream ,_dfc ,_bddg );if _ggcb !=nil {return _ggcb ;};_fcab .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_cdcf .Stream ))));
return nil ;case *PdfObjectString :_cde .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_fggf :=_eeb ;if _aeg ._gcd .V >=4{_cde .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_aeg ._cfc );
if _aeg ._cfc =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_fggf =_aeg ._cfc ;};_edfd ,_dgg :=_aeg .makeKey (_fggf ,uint32 (parentObjNum ),uint32 (parentGenNum ),_aeg ._dbg );if _dgg !=nil {return _dgg ;};_edg :=_cdcf .Str ();_eceg :=make ([]byte ,len (_edg ));
for _fdg :=0;_fdg < len (_edg );_fdg ++{_eceg [_fdg ]=_edg [_fdg ];};_cde .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_eceg ,_eceg );_eceg ,_dgg =_aeg .encryptBytes (_eceg ,_fggf ,_edfd );
if _dgg !=nil {return _dgg ;};_cdcf ._edeab =string (_eceg );return nil ;case *PdfObjectArray :for _ ,_cbag :=range _cdcf .Elements (){_cfa :=_aeg .Encrypt (_cbag ,parentObjNum ,parentGenNum );if _cfa !=nil {return _cfa ;};};return nil ;case *PdfObjectDictionary :_gfec :=false ;
if _aga :=_cdcf .Get ("\u0054\u0079\u0070\u0065");_aga !=nil {_bfbc ,_ffdf :=_aga .(*PdfObjectName );if _ffdf &&*_bfbc =="\u0053\u0069\u0067"{_gfec =true ;};};for _ ,_dcf :=range _cdcf .Keys (){_dec :=_cdcf .Get (_dcf );if _gfec &&string (_dcf )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;
};if string (_dcf )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_dcf )!="\u0050\u0072\u0065\u0076"&&string (_dcf )!="\u004c\u0061\u0073\u0074"{_bccb :=_aeg .Encrypt (_dec ,parentObjNum ,parentGenNum );if _bccb !=nil {return _bccb ;};};};return nil ;
};return nil ;};

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

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

// GetEncryptObj returns the PdfIndirectObject which has information about the PDFs encryption details.
func (_ebea *PdfParser )GetEncryptObj ()*PdfIndirectObject {return _ebea ._cgcde };const (XrefTypeTableEntry xrefType =iota ;XrefTypeObjectStream xrefType =iota ;);var _gddb =_ab .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");


// ParserMetadata is the parser based metadata information about document.
// The data here could be used on document verification.
type ParserMetadata struct{_fdf int ;_daf bool ;_gdce [4]byte ;_bagfa bool ;_bdcc bool ;_eebb bool ;_bdca bool ;_dgge bool ;_eaf bool ;};func (_bfgc *PdfParser )parseHexString ()(*PdfObjectString ,error ){_bfgc ._ecdc .ReadByte ();var _aacfd _cdg .Buffer ;
for {_cdfa ,_cabaa :=_bfgc ._ecdc .Peek (1);if _cabaa !=nil {return MakeString (""),_cabaa ;};if _cdfa [0]=='>'{_bfgc ._ecdc .ReadByte ();break ;};_aaeb ,_ :=_bfgc ._ecdc .ReadByte ();if _bfgc ._accg {if _cdg .IndexByte (_ebfdg ,_aaeb )==-1{_bfgc ._baba ._eebb =true ;
};};if !IsWhiteSpace (_aaeb ){_aacfd .WriteByte (_aaeb );};};if _aacfd .Len ()%2==1{_bfgc ._baba ._bdcc =true ;_aacfd .WriteRune ('0');};_gfba ,_ :=_ca .DecodeString (_aacfd .String ());return MakeHexString (string (_gfba )),nil ;};

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

// Append appends PdfObject(s) to the array.
func (_gbbe *PdfObjectArray )Append (objects ...PdfObject ){if _gbbe ==nil {_cde .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 ;};_gbbe ._gcba =append (_gbbe ._gcba ,objects ...);};func (_ggg *PdfParser )lookupByNumber (_fdb int ,_bfag bool )(PdfObject ,bool ,error ){_fga ,_cegb :=_ggg .ObjCache [_fdb ];if _cegb {_cde .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",_fdb );
return _fga ,false ,nil ;};if _ggg ._ccce ==nil {_ggg ._ccce =map[int ]bool {};};if _ggg ._ccce [_fdb ]{_cde .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",_fdb );
return nil ,false ,_a .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");};_ggg ._ccce [_fdb ]=true ;defer delete (_ggg ._ccce ,_fdb );
_cbe ,_cegb :=_ggg ._cacg .ObjectMap [_fdb ];if !_cegb {_cde .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 _aa PdfObjectNull ;return &_aa ,false ,nil ;};_cde .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_fdb );if _cbe .XType ==XrefTypeTableEntry {_cde .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_cbe .ObjectNumber );
_cde .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_cbe .Generation );_cde .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_cbe .Offset );
_ggg ._cgcc .Seek (_cbe .Offset ,_gf .SeekStart );_ggg ._ecdc =_dg .NewReader (_ggg ._cgcc );_ac ,_ff :=_ggg .ParseIndirectObject ();if _ff !=nil {_cde .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",_ff );
if _bfag {_cde .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");_cdc ,_fec :=_ggg .repairRebuildXrefsTopDown ();
if _fec !=nil {_cde .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_fec );return nil ,false ,_fec ;};_ggg ._cacg =*_cdc ;return _ggg .lookupByNumber (_fdb ,false );
};return nil ,false ,_ff ;};if _bfag {_acg ,_ ,_ :=_gga (_ac );if int (_acg )!=_fdb {_cde .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_gc :=_ggg .rebuildXrefTable ();
if _gc !=nil {return nil ,false ,_gc ;};_ggg .ObjCache =objectCache {};return _ggg .lookupByNumberWrapper (_fdb ,false );};};_cde .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_ggg .ObjCache [_fdb ]=_ac ;
return _ac ,false ,nil ;}else if _cbe .XType ==XrefTypeObjectStream {_cde .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_cde .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_cde .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",_cbe .OsObjNumber ,_cbe .OsObjIndex );
if _cbe .OsObjNumber ==_fdb {_cde .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 ,_a .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_fbe :=_ggg ._cacg .ObjectMap [_cbe .OsObjNumber ];_fbe {_ffg ,_dgd :=_ggg .lookupObjectViaOS (_cbe .OsObjNumber ,_fdb );if _dgd !=nil {_cde .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_dgd );
return nil ,true ,_dgd ;};_cde .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_ggg .ObjCache [_fdb ]=_ffg ;if _ggg ._bgad !=nil {_ggg ._bgad ._dca [_ffg ]=true ;};return _ffg ,true ,nil ;};_cde .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 ,_a .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 ,_a .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

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

// Set sets the PdfObject at index i of the array. An error is returned if the index is outside bounds.
func (_abcg *PdfObjectArray )Set (i int ,obj PdfObject )error {if i < 0||i >=len (_abcg ._gcba ){return _a .New ("\u006f\u0075\u0074\u0073\u0069\u0064\u0065\u0020\u0062o\u0075\u006e\u0064\u0073");};_abcg ._gcba [i ]=obj ;return nil ;};func (_agfcg *PdfParser )repairLocateXref ()(int64 ,error ){_dgab :=int64 (1000);
_agfcg ._cgcc .Seek (-_dgab ,_gf .SeekCurrent );_cagb ,_ecae :=_agfcg ._cgcc .Seek (0,_gf .SeekCurrent );if _ecae !=nil {return 0,_ecae ;};_dgadf :=make ([]byte ,_dgab );_agfcg ._cgcc .Read (_dgadf );_fbbg :=_aeafe .FindAllStringIndex (string (_dgadf ),-1);
if len (_fbbg )< 1{_cde .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,_a .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");
};_edcdf :=int64 (_fbbg [len (_fbbg )-1][0]);_fdfc :=_cagb +_edcdf ;return _fdfc ,nil ;};

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

// 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 )(_gbdcd *PdfObjectArray ,_edbd bool ){_gbdcd ,_edbd =TraceToDirectObject (obj ).(*PdfObjectArray );return _gbdcd ,_edbd ;};

// DecodeStream decodes a multi-encoded stream by passing it through the
// DecodeStream method of the underlying encoders.
func (_edec *MultiEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _edec .DecodeBytes (streamObj .Stream );};type encryptDict struct{Filter string ;V int ;SubFilter string ;Length int ;StmF string ;StrF string ;EFF string ;CF map[string ]_bb .FilterDict ;
};

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

// GetFilterName returns the name of the encoding filter.
func (_gacc *ASCII85Encoder )GetFilterName ()string {return StreamEncodingFilterNameASCII85 };func (_gbb *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_dadcb :=_gbb ._ecdc .Discard (4);return PdfObjectNull {},_dadcb ;};

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

// WriteString outputs the object as it is to be written to file.
func (_ggfe *PdfObjectStream )WriteString ()string {var _daefb _caa .Builder ;_daefb .WriteString (_g .FormatInt (_ggfe .ObjectNumber ,10));_daefb .WriteString ("\u0020\u0030\u0020\u0052");return _daefb .String ();};func (_daac *ASCII85Encoder )base256Tobase85 (_adab uint32 )[5]byte {_dda :=[5]byte {0,0,0,0,0};
_cgc :=_adab ;for _ffgf :=0;_ffgf < 5;_ffgf ++{_beg :=uint32 (1);for _cbbfg :=0;_cbbfg < 4-_ffgf ;_cbbfg ++{_beg *=85;};_ggbg :=_cgc /_beg ;_cgc =_cgc %_beg ;_dda [_ffgf ]=byte (_ggbg );};return _dda ;};

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

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

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

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

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

// ParserMetadata gets the pdf parser metadata.
func (_adg *PdfParser )ParserMetadata ()(ParserMetadata ,error ){if !_adg ._accg {return ParserMetadata {},_fc .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 _adg ._baba ,nil ;};

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

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

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_fcbd *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _faaa _ge .Image ;if _fcbd .ColorComponents ==1&&_fcbd .BitsPerComponent ==8{_faaa =&_ge .Gray {Rect :_ge .Rect (0,0,_fcbd .Width ,_fcbd .Height ),Pix :data ,Stride :_dc .BytesPerLine (_fcbd .Width ,_fcbd .BitsPerComponent ,_fcbd .ColorComponents )};
}else {var _defa error ;_faaa ,_defa =_dc .NewImage (_fcbd .Width ,_fcbd .Height ,_fcbd .BitsPerComponent ,_fcbd .ColorComponents ,data ,nil ,nil );if _defa !=nil {return nil ,_defa ;};};_edce :=_fg .Options {};_edce .Quality =_fcbd .Quality ;var _dfcg _cdg .Buffer ;
if _deba :=_fg .Encode (&_dfcg ,_faaa ,&_edce );_deba !=nil {return nil ,_deba ;};return _dfcg .Bytes (),nil ;};var _cfee _d .Map ;var _ebfdg =[]byte ("\u0030\u0031\u0032\u003345\u0036\u0037\u0038\u0039\u0061\u0062\u0063\u0064\u0065\u0066\u0041\u0042\u0043\u0044E\u0046");
func (_eggc *PdfParser )resolveReference (_afbb *PdfObjectReference )(PdfObject ,bool ,error ){_ffcd ,_effb :=_eggc .ObjCache [int (_afbb .ObjectNumber )];if _effb {return _ffcd ,true ,nil ;};_aaag ,_dfca :=_eggc .LookupByReference (*_afbb );if _dfca !=nil {return nil ,false ,_dfca ;
};_eggc .ObjCache [int (_afbb .ObjectNumber )]=_aaag ;return _aaag ,false ,nil ;};

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

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

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

// GetFilterName returns the name of the encoding filter.
func (_cfe *RawEncoder )GetFilterName ()string {return StreamEncodingFilterNameRaw };const JB2ImageAutoThreshold =-1.0;

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

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_bdfe *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_cde .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_cde .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_bdfe .Predictor );
_aead ,_cabe :=_bdfe .DecodeBytes (streamObj .Stream );if _cabe !=nil {return nil ,_cabe ;};_cde .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_cde .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_aead ),_aead );
if _bdfe .Predictor > 1{if _bdfe .Predictor ==2{_cde .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_efd :=_bdfe .Columns *_bdfe .Colors ;if _efd < 1{return []byte {},nil ;};_gbce :=len (_aead )/_efd ;if len (_aead )%_efd !=0{_cde .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 ,_fc .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 (_aead ),_efd );};if _efd %_bdfe .Colors !=0{return nil ,_fc .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",_efd ,_bdfe .Colors );
};if _efd > len (_aead ){_cde .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",_efd ,len (_aead ));
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cde .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_aead ),_aead );
_efed :=_cdg .NewBuffer (nil );for _egaf :=0;_egaf < _gbce ;_egaf ++{_cag :=_aead [_efd *_egaf :_efd *(_egaf +1)];for _ggde :=_bdfe .Colors ;_ggde < _efd ;_ggde ++{_cag [_ggde ]=byte (int (_cag [_ggde ]+_cag [_ggde -_bdfe .Colors ])%256);};_efed .Write (_cag );
};_dfda :=_efed .Bytes ();_cde .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_dfda ),_dfda );return _dfda ,nil ;}else if _bdfe .Predictor >=10&&_bdfe .Predictor <=15{_cde .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_ebfd :=_bdfe .Columns *_bdfe .Colors +1;if _ebfd < 1{return []byte {},nil ;};_ccb :=len (_aead )/_ebfd ;if len (_aead )%_ebfd !=0{return nil ,_fc .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 (_aead ),_ebfd );
};if _ebfd > len (_aead ){_cde .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",_ebfd ,len (_aead ));
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_eggf :=_cdg .NewBuffer (nil );_cde .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_bdfe .Columns );
_cde .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_aead ),_ebfd ,_ccb );_egbd :=make ([]byte ,_ebfd );for _ddg :=0;_ddg < _ebfd ;_ddg ++{_egbd [_ddg ]=0;};for _ded :=0;
_ded < _ccb ;_ded ++{_cdga :=_aead [_ebfd *_ded :_ebfd *(_ded +1)];_dfbd :=_cdga [0];switch _dfbd {case 0:case 1:for _acb :=2;_acb < _ebfd ;_acb ++{_cdga [_acb ]=byte (int (_cdga [_acb ]+_cdga [_acb -1])%256);};case 2:for _cgdb :=1;_cgdb < _ebfd ;_cgdb ++{_cdga [_cgdb ]=byte (int (_cdga [_cgdb ]+_egbd [_cgdb ])%256);
};default:_cde .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",_dfbd );return nil ,_fc .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_dfbd );
};for _gded :=0;_gded < _ebfd ;_gded ++{_egbd [_gded ]=_cdga [_gded ];};_eggf .Write (_cdga [1:]);};_dgfd :=_eggf .Bytes ();return _dgfd ,nil ;}else {_cde .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",_bdfe .Predictor );
return nil ,_fc .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",_bdfe .Predictor );};};return _aead ,nil ;};func _agfc (_fbbf *PdfObjectStream )(*MultiEncoder ,error ){_beb :=NewMultiEncoder ();
_cabf :=_fbbf .PdfObjectDictionary ;if _cabf ==nil {return _beb ,nil ;};var _cfce *PdfObjectDictionary ;var _egdg []PdfObject ;_dadb :=_cabf .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _dadb !=nil {_baea ,_egf :=_dadb .(*PdfObjectDictionary );
if _egf {_cfce =_baea ;};_aace ,_cfcc :=_dadb .(*PdfObjectArray );if _cfcc {for _ ,_gcae :=range _aace .Elements (){_gcae =TraceToDirectObject (_gcae );if _dfcd ,_fbaa :=_gcae .(*PdfObjectDictionary );_fbaa {_egdg =append (_egdg ,_dfcd );}else {_egdg =append (_egdg ,MakeDict ());
};};};};_dadb =_cabf .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");if _dadb ==nil {return nil ,_fc .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");};_bdgb ,_eage :=_dadb .(*PdfObjectArray );if !_eage {return nil ,_fc .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 _bdge ,_cedf :=range _bdgb .Elements (){_fcaa ,_egce :=_cedf .(*PdfObjectName );if !_egce {return nil ,_fc .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 _deca PdfObject ;if _cfce !=nil {_deca =_cfce ;}else {if len (_egdg )> 0{if _bdge >=len (_egdg ){return nil ,_fc .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");
};_deca =_egdg [_bdge ];};};var _deee *PdfObjectDictionary ;if _fcabd ,_eeca :=_deca .(*PdfObjectDictionary );_eeca {_deee =_fcabd ;};_cde .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",*_fcaa ,_deca ,_deee );
if *_fcaa ==StreamEncodingFilterNameFlate {_cgbe ,_ebbb :=_acdf (_fbbf ,_deee );if _ebbb !=nil {return nil ,_ebbb ;};_beb .AddEncoder (_cgbe );}else if *_fcaa ==StreamEncodingFilterNameLZW {_ebdfd ,_eafe :=_gdcf (_fbbf ,_deee );if _eafe !=nil {return nil ,_eafe ;
};_beb .AddEncoder (_ebdfd );}else if *_fcaa ==StreamEncodingFilterNameASCIIHex {_cebg :=NewASCIIHexEncoder ();_beb .AddEncoder (_cebg );}else if *_fcaa ==StreamEncodingFilterNameASCII85 {_adea :=NewASCII85Encoder ();_beb .AddEncoder (_adea );}else if *_fcaa ==StreamEncodingFilterNameDCT {_dafa ,_gcg :=_fecba (_fbbf ,_beb );
if _gcg !=nil {return nil ,_gcg ;};_beb .AddEncoder (_dafa );_cde .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_cde .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_beb );
}else if *_fcaa ==StreamEncodingFilterNameCCITTFax {_gba ,_afgc :=_ffad (_fbbf ,_deee );if _afgc !=nil {return nil ,_afgc ;};_beb .AddEncoder (_gba );}else {_cde .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_fcaa );
return nil ,_fc .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 _beb ,nil ;};func _cdbd (_gacf *PdfObjectStream ,_gccd *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _fcdf ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";
_cbfb :=NewJBIG2Encoder ();_ecce :=_gacf .PdfObjectDictionary ;if _ecce ==nil {return _cbfb ,nil ;};if _gccd ==nil {_efef :=_ecce .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _efef !=nil {switch _fcecc :=_efef .(type ){case *PdfObjectDictionary :_gccd =_fcecc ;
case *PdfObjectArray :if _fcecc .Len ()==1{if _gfga ,_aaec :=GetDict (_fcecc .Get (0));_aaec {_gccd =_gfga ;};};default:_cde .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",_efef );
return nil ,_gef .Errorf (_fcdf ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_fcecc );};};};if _gccd ==nil {return _cbfb ,nil ;};_cbfb .UpdateParams (_gccd );
_cbad ,_ebca :=GetStream (_gccd .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_ebca {return _cbfb ,nil ;};var _aadg error ;_cbfb .Globals ,_aadg =_gec .DecodeGlobals (_cbad .Stream );if _aadg !=nil {_aadg =_gef .Wrap (_aadg ,_fcdf ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_cde .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_aadg );return nil ,_aadg ;};return _cbfb ,nil ;};

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

// 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 (_fdcg *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_gbed :=PdfIndirectObject {};_gbed ._cbbe =_fdcg ;_cde .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_eddb ,_fbgd :=_fdcg ._ecdc .Peek (20);
if _fbgd !=nil {if _fbgd !=_gf .EOF {_cde .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 &_gbed ,_fbgd ;
};};_cde .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_eddb ));_bdaa :=_ddce .FindStringSubmatchIndex (string (_eddb ));if len (_bdaa )< 6{if _fbgd ==_gf .EOF {return nil ,_fbgd ;
};_cde .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 (_eddb ));
return &_gbed ,_a .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");
};_fdcg ._ecdc .Discard (_bdaa [0]);_cde .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_bdaa );_ddad :=_bdaa [1]-_bdaa [0];_gfcff :=make ([]byte ,_ddad );_ ,_fbgd =_fdcg .ReadAtLeast (_gfcff ,_ddad );if _fbgd !=nil {_cde .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",_fbgd );
return nil ,_fbgd ;};_cde .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_gfcff );_dbfc :=_ddce .FindStringSubmatch (string (_gfcff ));if len (_dbfc )< 3{_cde .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 (_gfcff ));
return &_gbed ,_a .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");
};_fcfgb ,_ :=_g .Atoi (_dbfc [1]);_ccbdb ,_ :=_g .Atoi (_dbfc [2]);_gbed .ObjectNumber =int64 (_fcfgb );_gbed .GenerationNumber =int64 (_ccbdb );for {_cgee ,_egeb :=_fdcg ._ecdc .Peek (2);if _egeb !=nil {return &_gbed ,_egeb ;};_cde .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_cgee ),string (_cgee ));
if IsWhiteSpace (_cgee [0]){_fdcg .skipSpaces ();}else if _cgee [0]=='%'{_fdcg .skipComments ();}else if (_cgee [0]=='<')&&(_cgee [1]=='<'){_cde .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_gbed .PdfObject ,_egeb =_fdcg .ParseDict ();
_cde .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_egeb );if _egeb !=nil {return &_gbed ,_egeb ;};_cde .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 (_cgee [0]=='/')||(_cgee [0]=='(')||(_cgee [0]=='[')||(_cgee [0]=='<'){_gbed .PdfObject ,_egeb =_fdcg .parseObject ();if _egeb !=nil {return &_gbed ,_egeb ;};_cde .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 _cgee [0]==']'{_cde .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");
_fdcg ._ecdc .Discard (1);}else {if _cgee [0]=='e'{_cggg ,_egcef :=_fdcg .readTextLine ();if _egcef !=nil {return nil ,_egcef ;};if len (_cggg )>=6&&_cggg [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _cgee [0]=='s'{_cgee ,_ =_fdcg ._ecdc .Peek (10);
if string (_cgee [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_caae :=6;if len (_cgee )> 6{if IsWhiteSpace (_cgee [_caae ])&&_cgee [_caae ]!='\r'&&_cgee [_caae ]!='\n'{_cde .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");
_fdcg ._baba ._bdca =true ;_caae ++;};if _cgee [_caae ]=='\r'{_caae ++;if _cgee [_caae ]=='\n'{_caae ++;};}else if _cgee [_caae ]=='\n'{_caae ++;}else {_fdcg ._baba ._bdca =true ;};};_fdcg ._ecdc .Discard (_caae );_bfegc ,_eccf :=_gbed .PdfObject .(*PdfObjectDictionary );
if !_eccf {return nil ,_a .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");};_cde .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_bfegc );
_cgfbe ,_facf :=_fdcg .traceStreamLength (_bfegc .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _facf !=nil {_cde .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",_facf );
return nil ,_facf ;};_cde .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_cgfbe );_gaeb ,_dcdc :=_cgfbe .(*PdfObjectInteger );if !_dcdc {return nil ,_a .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");
};_eebff :=*_gaeb ;if _eebff < 0{return nil ,_a .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");};_dcbd :=_fdcg .GetFileOffset ();
_afce :=_fdcg .xrefNextObjectOffset (_dcbd );if _dcbd +int64 (_eebff )> _afce &&_afce > _dcbd {_cde .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_dcbd +int64 (_eebff ));_cde .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",_afce );
_gbcg :=_afce -_dcbd -17;if _gbcg < 0{return nil ,_a .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");
};_cde .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",_gbcg );_eebff =PdfObjectInteger (_gbcg );
_bfegc .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_gbcg ));};if int64 (_eebff )> _fdcg ._fbda {_cde .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 ,_a .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");};_bffc :=make ([]byte ,_eebff );
_ ,_facf =_fdcg .ReadAtLeast (_bffc ,int (_eebff ));if _facf !=nil {_cde .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_bffc ),_bffc );_cde .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_facf );
return nil ,_facf ;};_efcg :=PdfObjectStream {};_efcg .Stream =_bffc ;_efcg .PdfObjectDictionary =_gbed .PdfObject .(*PdfObjectDictionary );_efcg .ObjectNumber =_gbed .ObjectNumber ;_efcg .GenerationNumber =_gbed .GenerationNumber ;_efcg .PdfObjectReference ._cbbe =_fdcg ;
_fdcg .skipSpaces ();_fdcg ._ecdc .Discard (9);_fdcg .skipSpaces ();return &_efcg ,nil ;};};_gbed .PdfObject ,_egeb =_fdcg .parseObject ();if _gbed .PdfObject ==nil {_cde .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");
_gbed .PdfObject =MakeNull ();};return &_gbed ,_egeb ;};};if _gbed .PdfObject ==nil {_cde .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");
_gbed .PdfObject =MakeNull ();};_cde .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_gbed ,nil ;};

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

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

// 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 _fgdfg :=obj .(type ){case *PdfObjectFloat :return float64 (*_fgdfg ),nil ;case *PdfObjectInteger :return float64 (*_fgdfg ),nil ;};return 0,ErrNotANumber ;};func (_gbc *PdfCrypt )makeKey (_fef string ,_gab ,_cab uint32 ,_dee []byte )([]byte ,error ){_dfa ,_feg :=_gbc ._eeea [_fef ];
if !_feg {return nil ,_fc .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_fef );};return _dfa .MakeKey (_gab ,_cab ,_dee );};

// IsDelimiter checks if a character represents a delimiter.
func IsDelimiter (c byte )bool {return c =='('||c ==')'||c =='<'||c =='>'||c =='['||c ==']'||c =='{'||c =='}'||c =='/'||c =='%';};func (_fcdd *PdfCrypt )isDecrypted (_bgg PdfObject )bool {_ ,_gea :=_fcdd ._dca [_bgg ];if _gea {_cde .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};switch _ffd :=_bgg .(type ){case *PdfObjectStream :if _fcdd ._bg .R !=5{if _faa ,_fgc :=_ffd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_fgc &&*_faa =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_gea =_fcdd ._fca [int (_ffd .ObjectNumber )];
_gea {return true ;};switch _gdg :=_ffd .PdfObject .(type ){case *PdfObjectDictionary :_cdee :=true ;for _ ,_bfee :=range _eda {if _gdg .Get (_bfee )==nil {_cdee =false ;break ;};};if _cdee {return true ;};};};_cde .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_bede :=_cdg .NewReader ([]byte (txt ));_afba :=&PdfParser {ObjCache :objectCache {},_cgcc :_bede ,_ecdc :_dg .NewReader (_bede ),_fbda :int64 (len (txt )),_ggbf :map[int64 ]bool {}};_afba ._cacg .ObjectMap =make (map[int ]XrefObject );
return _afba ;};

// 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 ;};func (_cec *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_cec ._cgcc .Seek (0,_gf .SeekStart );_cec ._ecdc =_dg .NewReader (_cec ._cgcc );_abcc :=20;_fcgc :=make ([]byte ,_abcc );for {_dcff ,_dedfd :=_cec ._ecdc .ReadByte ();
if _dedfd !=nil {if _dedfd ==_gf .EOF {break ;}else {return 0,0,_dedfd ;};};if IsDecimalDigit (_dcff )&&_fcgc [_abcc -1]=='.'&&IsDecimalDigit (_fcgc [_abcc -2])&&_fcgc [_abcc -3]=='-'&&_fcgc [_abcc -4]=='F'&&_fcgc [_abcc -5]=='D'&&_fcgc [_abcc -6]=='P'{_fcda :=int (_fcgc [_abcc -2]-'0');
_dgcd :=int (_dcff -'0');return _fcda ,_dgcd ,nil ;};_fcgc =append (_fcgc [1:_abcc ],_dcff );};return 0,0,_a .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};

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

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

// 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 )(_eecd *PdfObjectFloat ,_gdcgb bool ){_eecd ,_gdcgb =TraceToDirectObject (obj ).(*PdfObjectFloat );return _eecd ,_gdcgb ;};

// Remove removes an element specified by key.
func (_geae *PdfObjectDictionary )Remove (key PdfObjectName ){_cbfde :=-1;for _fgde ,_daag :=range _geae ._fefba {if _daag ==key {_cbfde =_fgde ;break ;};};if _cbfde >=0{_geae ._fefba =append (_geae ._fefba [:_cbfde ],_geae ._fefba [_cbfde +1:]...);delete (_geae ._aafc ,key );
};};func (_ecg *PdfCrypt )generateParams (_cga ,_gbd []byte )error {_daed :=_ecg .securityHandler ();_dfaa ,_ccc :=_daed .GenerateParams (&_ecg ._bg ,_gbd ,_cga );if _ccc !=nil {return _ccc ;};_ecg ._dbg =_dfaa ;return nil ;};

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

// GetObjectNums returns a sorted list of object numbers of the PDF objects in the file.
func (_eafa *PdfParser )GetObjectNums ()[]int {var _accdc []int ;for _ ,_bdaf :=range _eafa ._cacg .ObjectMap {_accdc =append (_accdc ,_bdaf .ObjectNumber );};_b .Ints (_accdc );return _accdc ;};

// 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 =='.'};

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

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_fdfe *RawEncoder )MakeDecodeParams ()PdfObject {return nil };func _adfa (_ebe *_fce .StdEncryptDict ,_gfc *PdfObjectDictionary )error {R ,_af :=_gfc .Get ("\u0052").(*PdfObjectInteger );if !_af {return _a .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 _fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0052 \u0028\u0025\u0064\u0029",*R );};_ebe .R =int (*R );O ,_af :=_gfc .GetString ("\u004f");if !_af {return _a .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 _ebe .R ==5||_ebe .R ==6{if len (O )< 48{return _fc .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 _fc .Errorf ("L\u0065n\u0067\u0074\u0068\u0028\u004f\u0029\u0020\u0021=\u0020\u0033\u0032\u0020(%\u0064\u0029",len (O ));
};_ebe .O =[]byte (O );U ,_af :=_gfc .GetString ("\u0055");if !_af {return _a .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 _ebe .R ==5||_ebe .R ==6{if len (U )< 48{return _fc .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{_cde .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 ));};_ebe .U =[]byte (U );if _ebe .R >=5{OE ,_add :=_gfc .GetString ("\u004f\u0045");
if !_add {return _a .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 _fc .Errorf ("L\u0065\u006e\u0067\u0074h(\u004fE\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (OE ));
};_ebe .OE =[]byte (OE );UE ,_add :=_gfc .GetString ("\u0055\u0045");if !_add {return _a .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 _fc .Errorf ("L\u0065\u006e\u0067\u0074h(\u0055E\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (UE ));};_ebe .UE =[]byte (UE );};P ,_af :=_gfc .Get ("\u0050").(*PdfObjectInteger );if !_af {return _a .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");
};_ebe .P =_fce .Permissions (*P );if _ebe .R ==6{Perms ,_fgbc :=_gfc .GetString ("\u0050\u0065\u0072m\u0073");if !_fgbc {return _a .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 _fc .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 ));};_ebe .Perms =[]byte (Perms );};if _dgc ,_dgdc :=_gfc .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_dgdc {_ebe .EncryptMetadata =bool (*_dgc );}else {_ebe .EncryptMetadata =true ;};return nil ;};

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

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

// DecodeBytes decodes the CCITTFax encoded image data.
func (_baab *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_fbc :=&_da .Encoder {K :_baab .K ,Columns :_baab .Columns ,EndOfLine :_baab .EndOfLine ,EndOfBlock :_baab .EndOfBlock ,BlackIs1 :_baab .BlackIs1 ,DamagedRowsBeforeError :_baab .DamagedRowsBeforeError ,Rows :_baab .Rows ,EncodedByteAlign :_baab .EncodedByteAlign };
_faggg ,_cccb :=_fbc .Decode (encoded );if _cccb !=nil {return nil ,_cccb ;};var _ecgf []byte ;_feeed :=0;var _caedg byte ;var _gbf byte ;for _feba :=range _faggg {if _caedg !=0{_ecgf =append (_ecgf ,_gbf );_gbf =0;_feeed ++;_caedg =0;};for _dcfe :=range _faggg [_feba ]{_gbf |=_faggg [_feba ][_dcfe ]<<(7-_caedg );
_caedg ++;if _caedg ==8{_ecgf =append (_ecgf ,_gbf );_gbf =0;_feeed ++;_caedg =0;};};};if _caedg > 0{_ecgf =append (_ecgf ,_gbf );};return _ecgf ,nil ;};func (_gaacd *PdfParser )rebuildXrefTable ()error {_cfffd :=XrefTable {};_cfffd .ObjectMap =map[int ]XrefObject {};
_bdea :=make ([]int ,0,len (_gaacd ._cacg .ObjectMap ));for _abgc :=range _gaacd ._cacg .ObjectMap {_bdea =append (_bdea ,_abgc );};_b .Ints (_bdea );for _ ,_ccec :=range _bdea {_gbgd :=_gaacd ._cacg .ObjectMap [_ccec ];_gcfb ,_ ,_cfab :=_gaacd .lookupByNumberWrapper (_ccec ,false );
if _cfab !=nil {_cde .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",_cfab );_cde .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");
_aaed ,_gebd :=_gaacd .repairRebuildXrefsTopDown ();if _gebd !=nil {_cde .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",_gebd );
return _gebd ;};_gaacd ._cacg =*_aaed ;_cde .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_cbdfd ,_agba ,_cfab :=_gga (_gcfb );if _cfab !=nil {return _cfab ;
};_gbgd .ObjectNumber =int (_cbdfd );_gbgd .Generation =int (_agba );_cfffd .ObjectMap [int (_cbdfd )]=_gbgd ;};_gaacd ._cacg =_cfffd ;_cde .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");
_adfd (_gaacd ._cacg );return nil ;};func (_fccbg *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _bbbg *PdfObjectDictionary ;_cfbf ,_fafb :=_fccbg .readTextLine ();if _fafb !=nil {return nil ,_fafb ;};if _fccbg ._accg &&_caa .Count (_caa .TrimPrefix (_cfbf ,"\u0078\u0072\u0065\u0066"),"\u0020")> 0{_fccbg ._baba ._eaf =true ;
};_cde .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_cfbf );_acbg :=-1;_gceee :=0;_ecaag :=false ;_befdd :="";for {_fccbg .skipSpaces ();_ ,_gfdf :=_fccbg ._ecdc .Peek (1);if _gfdf !=nil {return nil ,_gfdf ;
};_cfbf ,_gfdf =_fccbg .readTextLine ();if _gfdf !=nil {return nil ,_gfdf ;};_gbfe :=_gddb .FindStringSubmatch (_cfbf );if len (_gbfe )==0{_fdaea :=len (_befdd )> 0;_befdd +=_cfbf +"\u000a";if _fdaea {_gbfe =_gddb .FindStringSubmatch (_befdd );};};if len (_gbfe )==3{if _fccbg ._accg &&!_fccbg ._baba ._dgge {var (_cefd bool ;
_agfe int ;);for _ ,_egabb :=range _cfbf {if _aeb .IsDigit (_egabb ){if _cefd {break ;};continue ;};if !_cefd {_cefd =true ;};_agfe ++;};if _agfe > 1{_fccbg ._baba ._dgge =true ;};};_dgfdd ,_ :=_g .Atoi (_gbfe [1]);_eaee ,_ :=_g .Atoi (_gbfe [2]);_acbg =_dgfdd ;
_gceee =_eaee ;_ecaag =true ;_befdd ="";_cde .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",_acbg ,_gceee );
continue ;};_dde :=_gefg .FindStringSubmatch (_cfbf );if len (_dde )==4{if !_ecaag {_cde .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 ,_a .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_gcfc ,_ :=_g .ParseInt (_dde [1],10,64);_ccfb ,_ :=_g .Atoi (_dde [2]);_cgbef :=_dde [3];_befdd ="";if _caa .ToLower (_cgbef )=="\u006e"&&_gcfc > 1{_eac ,_ccff :=_fccbg ._cacg .ObjectMap [_acbg ];if !_ccff ||_ccfb > _eac .Generation {_fcccb :=XrefObject {ObjectNumber :_acbg ,XType :XrefTypeTableEntry ,Offset :_gcfc ,Generation :_ccfb };
_fccbg ._cacg .ObjectMap [_acbg ]=_fcccb ;};};_acbg ++;continue ;};if (len (_cfbf )> 6)&&(_cfbf [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_cde .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_cfbf );
if len (_cfbf )> 9{_acfa :=_fccbg .GetFileOffset ();_fccbg .SetFileOffset (_acfa -int64 (len (_cfbf ))+7);};_fccbg .skipSpaces ();_fccbg .skipComments ();_cde .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_cde .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_cfbf );_bbbg ,_gfdf =_fccbg .ParseDict ();_cde .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _gfdf !=nil {_cde .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",_gfdf );return nil ,_gfdf ;};break ;};if _cfbf =="\u0025\u0025\u0045O\u0046"{_cde .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 ,_a .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");};_cde .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_cfbf );
};_cde .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 _fccbg ._bfcef ==nil {_bfagb :=XrefTypeTableEntry ;_fccbg ._bfcef =&_bfagb ;};return _bbbg ,nil ;
};

// SetIfNotNil sets the dictionary's key -> val mapping entry -IF- val is not nil.
// Note that we take care to perform a type switch.  Otherwise if we would supply a nil value
// of another type, e.g. (PdfObjectArray*)(nil), then it would not be a PdfObject(nil) and thus
// would get set.
func (_ceedd *PdfObjectDictionary )SetIfNotNil (key PdfObjectName ,val PdfObject ){if val !=nil {switch _dbbf :=val .(type ){case *PdfObjectName :if _dbbf !=nil {_ceedd .Set (key ,val );};case *PdfObjectDictionary :if _dbbf !=nil {_ceedd .Set (key ,val );
};case *PdfObjectStream :if _dbbf !=nil {_ceedd .Set (key ,val );};case *PdfObjectString :if _dbbf !=nil {_ceedd .Set (key ,val );};case *PdfObjectNull :if _dbbf !=nil {_ceedd .Set (key ,val );};case *PdfObjectInteger :if _dbbf !=nil {_ceedd .Set (key ,val );
};case *PdfObjectArray :if _dbbf !=nil {_ceedd .Set (key ,val );};case *PdfObjectBool :if _dbbf !=nil {_ceedd .Set (key ,val );};case *PdfObjectFloat :if _dbbf !=nil {_ceedd .Set (key ,val );};case *PdfObjectReference :if _dbbf !=nil {_ceedd .Set (key ,val );
};case *PdfIndirectObject :if _dbbf !=nil {_ceedd .Set (key ,val );};default:_cde .Log .Error ("\u0045\u0052R\u004f\u0052\u003a\u0020\u0055\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0074\u0079\u0070\u0065\u003a\u0020\u0025\u0054\u0020\u002d\u0020\u0073\u0068\u006f\u0075\u006c\u0064\u0020\u006e\u0065\u0076\u0065\u0072\u0020\u0068\u0061\u0070\u0070\u0065\u006e\u0021",val );
};};};func (_aefc *PdfParser )xrefNextObjectOffset (_bca int64 )int64 {_aafd :=int64 (0);if len (_aefc ._cacg .ObjectMap )==0{return 0;};if len (_aefc ._cacg ._fd )==0{_dffe :=0;for _ ,_fgcg :=range _aefc ._cacg .ObjectMap {if _fgcg .Offset > 0{_dffe ++;
};};if _dffe ==0{return 0;};_aefc ._cacg ._fd =make ([]XrefObject ,_dffe );_cbfd :=0;for _ ,_deece :=range _aefc ._cacg .ObjectMap {if _deece .Offset > 0{_aefc ._cacg ._fd [_cbfd ]=_deece ;_cbfd ++;};};_b .Slice (_aefc ._cacg ._fd ,func (_geddc ,_ead int )bool {return _aefc ._cacg ._fd [_geddc ].Offset < _aefc ._cacg ._fd [_ead ].Offset });
};_bbae :=_b .Search (len (_aefc ._cacg ._fd ),func (_dffb int )bool {return _aefc ._cacg ._fd [_dffb ].Offset >=_bca });if _bbae < len (_aefc ._cacg ._fd ){_aafd =_aefc ._cacg ._fd [_bbae ].Offset ;};return _aafd ;};

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

// AddEncoder adds the passed in encoder to the underlying encoder slice.
func (_fdac *MultiEncoder )AddEncoder (encoder StreamEncoder ){_fdac ._fcec =append (_fdac ._fcec ,encoder );};const _bcec =32<<(^uint (0)>>63);

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

// HasInvalidHexRunes implements core.ParserMetadata interface.
func (_eccg ParserMetadata )HasInvalidHexRunes ()bool {return _eccg ._eebb };

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

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

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

// 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 ;};

// 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 (_eega *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_bfaf :=_cdg .NewReader (encoded );var _gfcga []byte ;for {_adad ,_geda :=_bfaf .ReadByte ();if _geda !=nil {return nil ,_geda ;};if _adad > 128{_eddf ,_gcedf :=_bfaf .ReadByte ();
if _gcedf !=nil {return nil ,_gcedf ;};for _ecgb :=0;_ecgb < 257-int (_adad );_ecgb ++{_gfcga =append (_gfcga ,_eddf );};}else if _adad < 128{for _afdf :=0;_afdf < int (_adad )+1;_afdf ++{_fgdc ,_deda :=_bfaf .ReadByte ();if _deda !=nil {return nil ,_deda ;
};_gfcga =append (_gfcga ,_fgdc );};}else {break ;};};return _gfcga ,nil ;};func (_bggc *PdfParser )skipComments ()error {if _ ,_edfec :=_bggc .skipSpaces ();_edfec !=nil {return _edfec ;};_edeb :=true ;for {_bccd ,_faaff :=_bggc ._ecdc .Peek (1);if _faaff !=nil {_cde .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_faaff .Error ());
return _faaff ;};if _edeb &&_bccd [0]!='%'{return nil ;};_edeb =false ;if (_bccd [0]!='\r')&&(_bccd [0]!='\n'){_bggc ._ecdc .ReadByte ();}else {break ;};};return _bggc .skipComments ();};

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_aecg *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_ddfa :=MakeDict ();_ddfa .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_aecg .GetFilterArray ());for _ ,_bddb :=range _aecg ._fcec {_fdbb :=_bddb .MakeStreamDict ();for _ ,_cadg :=range _fdbb .Keys (){_ggec :=_fdbb .Get (_cadg );
if _cadg !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_cadg !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_ddfa .Set (_cadg ,_ggec );};};};_eaag :=_aecg .MakeDecodeParams ();if _eaag !=nil {_ddfa .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_eaag );
};return _ddfa ;};

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

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

// 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 _ffdd ,_dgag :=obj .(*PdfObjectReference );_dgag {obj =_ffdd .Resolve ();};_gafd ,_abgb :=obj .(*PdfIndirectObject );_gaff :=0;for _abgb {obj =_gafd .PdfObject ;_gafd ,_abgb =GetIndirect (obj );_gaff ++;
if _gaff > _cege {_cde .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",_cege );
return nil ;};};return obj ;};

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

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

// 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 )(_gbefd *PdfObjectString ,_efbg bool ){_gbefd ,_efbg =TraceToDirectObject (obj ).(*PdfObjectString );return _gbefd ,_efbg ;};

// LookupByReference looks up a PdfObject by a reference.
func (_bfd *PdfParser )LookupByReference (ref PdfObjectReference )(PdfObject ,error ){_cde .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 _bfd .LookupByNumber (int (ref .ObjectNumber ));
};

// 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 _eccfg (obj ,0)};

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

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

// HasInvalidSeparationAfterXRef implements core.ParserMetadata interface.
func (_adfc ParserMetadata )HasInvalidSeparationAfterXRef ()bool {return _adfc ._eaf };

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

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

// HeaderPosition gets the file header position.
func (_beaa ParserMetadata )HeaderPosition ()int {return _beaa ._fdf };func (_dcde *PdfParser )parseDetailedHeader ()(_gfcg error ){_dcde ._cgcc .Seek (0,_gf .SeekStart );_dcde ._ecdc =_dg .NewReader (_dcde ._cgcc );_gdag :=20;_dcbf :=make ([]byte ,_gdag );
var (_afdgc bool ;_gae int ;);for {_ddcg ,_fcb :=_dcde ._ecdc .ReadByte ();if _fcb !=nil {if _fcb ==_gf .EOF {break ;}else {return _fcb ;};};if IsDecimalDigit (_ddcg )&&_dcbf [_gdag -1]=='.'&&IsDecimalDigit (_dcbf [_gdag -2])&&_dcbf [_gdag -3]=='-'&&_dcbf [_gdag -4]=='F'&&_dcbf [_gdag -5]=='D'&&_dcbf [_gdag -6]=='P'&&_dcbf [_gdag -7]=='%'{_dcde ._cdcdf =Version {Major :int (_dcbf [_gdag -2]-'0'),Minor :int (_ddcg -'0')};
_dcde ._baba ._fdf =_gae -7;_afdgc =true ;break ;};_gae ++;_dcbf =append (_dcbf [1:_gdag ],_ddcg );};if !_afdgc {return _fc .Errorf ("n\u006f \u0066\u0069\u006c\u0065\u0020\u0068\u0065\u0061d\u0065\u0072\u0020\u0066ou\u006e\u0064");};_fddc ,_gfcg :=_dcde ._ecdc .ReadByte ();
if _gfcg ==_gf .EOF {return _fc .Errorf ("\u006eo\u0074\u0020\u0061\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0050d\u0066\u0020\u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074");};if _gfcg !=nil {return _gfcg ;};_dcde ._baba ._daf =_fddc =='\n';_fddc ,_gfcg =_dcde ._ecdc .ReadByte ();
if _gfcg !=nil {return _fc .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",_gfcg );};if _fddc !='%'{return nil ;};_cgg :=make ([]byte ,4);_ ,_gfcg =_dcde ._ecdc .Read (_cgg );
if _gfcg !=nil {return _fc .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",_gfcg );};_dcde ._baba ._gdce =[4]byte {_cgg [0],_cgg [1],_cgg [2],_cgg [3]};
return nil ;};func _bccdcc (_edabb int )int {if _edabb < 0{return -_edabb ;};return _edabb ;};func _bfb (_agb int )cryptFilters {return cryptFilters {_eeb :_bb .NewFilterV2 (_agb )}};

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

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

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

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

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

// Encode encodes previously prepare jbig2 document and stores it as the byte slice.
func (_bfab *JBIG2Encoder )Encode ()(_baefg []byte ,_fdad error ){const _ecdf ="J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u002e\u0045\u006eco\u0064\u0065";if _bfab ._ecde ==nil {return nil ,_gef .Errorf (_ecdf ,"\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");
};_bfab ._ecde .FullHeaders =_bfab .DefaultPageSettings .FileMode ;_baefg ,_fdad =_bfab ._ecde .Encode ();if _fdad !=nil {return nil ,_gef .Wrap (_fdad ,_ecdf ,"");};return _baefg ,nil ;};func (_aba *PdfCrypt )decryptBytes (_gced []byte ,_fcc string ,_gfb []byte )([]byte ,error ){_cde .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_bcfg ,_cad :=_aba ._eeea [_fcc ];if !_cad {return nil ,_fc .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_fcc );};return _bcfg .DecryptBytes (_gced ,_gfb );};

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

// EncodeJBIG2Image encodes 'img' into jbig2 encoded bytes stream, using default encoder settings.
func (_eabf *JBIG2Encoder )EncodeJBIG2Image (img *JBIG2Image )([]byte ,error ){const _dcdfa ="c\u006f\u0072\u0065\u002eEn\u0063o\u0064\u0065\u004a\u0042\u0049G\u0032\u0049\u006d\u0061\u0067\u0065";if _fgabf :=_eabf .AddPageImage (img ,&_eabf .DefaultPageSettings );
_fgabf !=nil {return nil ,_gef .Wrap (_fgabf ,_dcdfa ,"");};return _eabf .Encode ();};func (_adefg *PdfParser )parseXrefStream (_fgdb *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _fgdb !=nil {_cde .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",_fgdb );
_adefg ._cgcc .Seek (int64 (*_fgdb ),_gf .SeekStart );_adefg ._ecdc =_dg .NewReader (_adefg ._cgcc );};_ccfe :=_adefg .GetFileOffset ();_gddf ,_ecab :=_adefg .ParseIndirectObject ();if _ecab !=nil {_cde .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 ,_a .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");};_cde .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_gddf );
_fbae ,_bbf :=_gddf .(*PdfObjectStream );if !_bbf {_cde .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 ,_a .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");};_badca :=_fbae .PdfObjectDictionary ;
_dege ,_bbf :=_fbae .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_bbf {_cde .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 ,_a .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 (*_dege )> 8388607{_cde .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",*_dege );
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_afbe :=_fbae .PdfObjectDictionary .Get ("\u0057");_gabfe ,_bbf :=_afbe .(*PdfObjectArray );if !_bbf {return nil ,_a .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_gedb :=_gabfe .Len ();if _gedb !=3{_cde .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",_gedb );
return nil ,_a .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 _cgead []int64 ;for _bgdc :=0;_bgdc < 3;
_bgdc ++{_ggfc ,_ccgf :=GetInt (_gabfe .Get (_bgdc ));if !_ccgf {return nil ,_a .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_cgead =append (_cgead ,int64 (*_ggfc ));};_dgbg ,_ecab :=DecodeStream (_fbae );
if _ecab !=nil {_cde .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",_ecab );return nil ,_ecab ;};_gcag :=int (_cgead [0]);
_gfce :=int (_cgead [0]+_cgead [1]);_fggd :=int (_cgead [0]+_cgead [1]+_cgead [2]);_gdccb :=int (_cgead [0]+_cgead [1]+_cgead [2]);if _gcag < 0||_gfce < 0||_fggd < 0{_cde .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",_gcag ,_gfce ,_fggd );
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _gdccb ==0{_cde .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 _badca ,nil ;};_eegb :=len (_dgbg )/_gdccb ;_ccbf :=0;_cfcfc :=_fbae .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _bbfc []int ;if _cfcfc !=nil {_cde .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_cfcfc );_bbfe ,_gfda :=_cfcfc .(*PdfObjectArray );
if !_gfda {_cde .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 ,_a .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _bbfe .Len ()%2!=0{_cde .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 ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ccbf =0;_daab ,_cgec :=_bbfe .ToIntegerArray ();if _cgec !=nil {_cde .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",_cgec );
return nil ,_cgec ;};for _gfcgd :=0;_gfcgd < len (_daab );_gfcgd +=2{_caced :=_daab [_gfcgd ];_gagg :=_daab [_gfcgd +1];for _ggcc :=0;_ggcc < _gagg ;_ggcc ++{_bbfc =append (_bbfc ,_caced +_ggcc );};_ccbf +=_gagg ;};}else {for _adgf :=0;_adgf < int (*_dege );
_adgf ++{_bbfc =append (_bbfc ,_adgf );};_ccbf =int (*_dege );};if _eegb ==_ccbf +1{_cde .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");
_cgbfe :=_ccbf -1;for _ ,_ebec :=range _bbfc {if _ebec > _cgbfe {_cgbfe =_ebec ;};};_bbfc =append (_bbfc ,_cgbfe +1);_ccbf ++;};if _eegb !=len (_bbfc ){_cde .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",_eegb ,len (_bbfc ));
return nil ,_a .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");};_cde .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_ccbf );
_cde .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_bbfc );_cabd :=func (_acfd []byte )int64 {var _fadf int64 ;for _fbbfb :=0;_fbbfb < len (_acfd );_fbbfb ++{_fadf +=int64 (_acfd [_fbbfb ])*(1<<uint (8*(len (_acfd )-_fbbfb -1)));
};return _fadf ;};_cde .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_dgbg ));_eeac :=0;for _faaac :=0;_faaac < len (_dgbg );_faaac +=_gdccb {_baag :=_dgabc (len (_dgbg ),_faaac ,_faaac +_gcag );
if _baag !=nil {_cde .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_baag );return nil ,_baag ;};_gbdc :=_dgbg [_faaac :_faaac +_gcag ];_baag =_dgabc (len (_dgbg ),_faaac +_gcag ,_faaac +_gfce );
if _baag !=nil {_cde .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_baag );return nil ,_baag ;};_gfefd :=_dgbg [_faaac +_gcag :_faaac +_gfce ];_baag =_dgabc (len (_dgbg ),_faaac +_gfce ,_faaac +_fggd );
if _baag !=nil {_cde .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_baag );return nil ,_baag ;};_fdfb :=_dgbg [_faaac +_gfce :_faaac +_fggd ];_cbfe :=_cabd (_gbdc );
_edbb :=_cabd (_gfefd );_faefe :=_cabd (_fdfb );if _cgead [0]==0{_cbfe =1;};if _eeac >=len (_bbfc ){_cde .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 ;};_gfbbc :=_bbfc [_eeac ];_eeac ++;_cde .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_gfbbc ,_gbdc );_cde .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_gfbbc ,_gfefd );_cde .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_gfbbc ,_fdfb );
_cde .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_gfbbc ,_cbfe ,_edbb ,_faefe );if _cbfe ==0{_cde .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 _cbfe ==1{_cde .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",_gfefd );if _edbb ==_ccfe {_cde .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",_gfbbc ,_fbae .ObjectNumber );
_gfbbc =int (_fbae .ObjectNumber );};if _gbff ,_bbca :=_adefg ._cacg .ObjectMap [_gfbbc ];!_bbca ||int (_faefe )> _gbff .Generation {_bgab :=XrefObject {ObjectNumber :_gfbbc ,XType :XrefTypeTableEntry ,Offset :_edbb ,Generation :int (_faefe )};_adefg ._cacg .ObjectMap [_gfbbc ]=_bgab ;
};}else if _cbfe ==2{_cde .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 _ ,_dedd :=_adefg ._cacg .ObjectMap [_gfbbc ];!_dedd {_gabe :=XrefObject {ObjectNumber :_gfbbc ,XType :XrefTypeObjectStream ,OsObjNumber :int (_edbb ),OsObjIndex :int (_faefe )};
_adefg ._cacg .ObjectMap [_gfbbc ]=_gabe ;_cde .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_gabe );};}else {_cde .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 _adefg ._bfcef ==nil {_edff :=XrefTypeObjectStream ;_adefg ._bfcef =&_edff ;};return _badca ,nil ;};func (_bde *PdfCrypt )checkAccessRights (_gee []byte )(bool ,_fce .Permissions ,error ){_eeg :=_bde .securityHandler ();_ddc ,_afe ,_ebaf :=_eeg .Authenticate (&_bde ._bg ,_gee );
if _ebaf !=nil {return false ,0,_ebaf ;}else if _afe ==0||len (_ddc )==0{return false ,0,nil ;};return true ,_afe ,nil ;};func _cfd (_ecb *_bb .FilterDict ,_baa *PdfObjectDictionary )error {if _ecc ,_bfc :=_baa .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_bfc {if _dfd :=string (*_ecc );_dfd !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_cde .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",_dfd );
};};_fbb ,_abd :=_baa .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_abd {return _fc .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");
};_ecb .CFM =string (*_fbb );if _bcc ,_afd :=_baa .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_afd {_ecb .AuthEvent =_fce .AuthEvent (*_bcc );}else {_ecb .AuthEvent =_fce .EventDocOpen ;};if _eba ,_gdaa :=_baa .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_gdaa {_ecb .Length =int (*_eba );};return nil ;};

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

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