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 (_ec "bufio";_c "bytes";_gg "compress/lzw";_ba "compress/zlib";_fg "crypto/md5";_bf "crypto/rand";_ag "encoding/hex";_d "errors";_gga "fmt";_be "github.com/unidoc/unipdf/v3/common";_db "github.com/unidoc/unipdf/v3/core/security";_ebe "github.com/unidoc/unipdf/v3/core/security/crypt";
_af "github.com/unidoc/unipdf/v3/internal/ccittfax";_ffd "github.com/unidoc/unipdf/v3/internal/imageutil";_ce "github.com/unidoc/unipdf/v3/internal/jbig2";_ca "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";_add "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";
_df "github.com/unidoc/unipdf/v3/internal/jbig2/document";_ab "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_ffa "github.com/unidoc/unipdf/v3/internal/strutils";_ffb "golang.org/x/image/tiff/lzw";_bg "golang.org/x/xerrors";_dea "image";_ge "image/color";
_bc "image/jpeg";_ad "io";_ac "io/ioutil";_a "reflect";_eb "regexp";_f "sort";_b "strconv";_dd "strings";_g "sync";_ff "time";_de "unicode";);

// 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 (_edgc *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _bggg ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _edgc .ColorComponents !=1||_edgc .BitsPerComponent !=1{return nil ,_ab .Errorf (_bggg ,"\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 (_fggd *_ca .Bitmap ;_dgga error ;);_ebbc :=(_edgc .Width *_edgc .Height )==len (data );if _ebbc {_fggd ,_dgga =_ca .NewWithUnpaddedData (_edgc .Width ,_edgc .Height ,data );}else {_fggd ,_dgga =_ca .NewWithData (_edgc .Width ,_edgc .Height ,data );
};if _dgga !=nil {return nil ,_dgga ;};_agfe :=_edgc .DefaultPageSettings ;if _dgga =_agfe .Validate ();_dgga !=nil {return nil ,_ab .Wrap (_dgga ,_bggg ,"");};if _edgc ._beaaa ==nil {_edgc ._beaaa =_df .InitEncodeDocument (_agfe .FileMode );};switch _agfe .Compression {case JB2Generic :if _dgga =_edgc ._beaaa .AddGenericPage (_fggd ,_agfe .DuplicatedLinesRemoval );
_dgga !=nil {return nil ,_ab .Wrap (_dgga ,_bggg ,"");};case JB2SymbolCorrelation :return nil ,_ab .Error (_bggg ,"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 ,_ab .Error (_bggg ,"\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 ,_ab .Error (_bggg ,"\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 _edgc .Encode ();};

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

// MakeInteger creates a PdfObjectInteger from an int64.
func MakeInteger (val int64 )*PdfObjectInteger {_dagdc :=PdfObjectInteger (val );return &_dagdc };func (_fagd *PdfParser )readTextLine ()(string ,error ){var _dafd _c .Buffer ;for {_agcb ,_dfabd :=_fagd ._affg .Peek (1);if _dfabd !=nil {_be .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_dfabd .Error ());
return _dafd .String (),_dfabd ;};if (_agcb [0]!='\r')&&(_agcb [0]!='\n'){_cgfc ,_ :=_fagd ._affg .ReadByte ();_dafd .WriteByte (_cgfc );}else {break ;};};return _dafd .String (),nil ;};

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

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

// UpdateParams updates the parameter values of the encoder.
func (_affbg *ASCIIHexEncoder )UpdateParams (params *PdfObjectDictionary ){};func (_ffbda *PdfParser )checkLinearizedInformation (_fdae *PdfObjectDictionary )(bool ,error ){var _gbbb error ;_ffbda ._bebg ,_gbbb =GetNumberAsInt64 (_fdae .Get ("\u004c"));
if _gbbb !=nil {return false ,_gbbb ;};_gbbb =_ffbda .seekToEOFMarker (_ffbda ._bebg );switch _gbbb {case nil :return true ,nil ;case _efed :return false ,nil ;default:return false ,_gbbb ;};};

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

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

// GetAsFloat64Slice returns the array as []float64 slice.
// Returns an error if not entirely numeric (only PdfObjectIntegers, PdfObjectFloats).
func (_eacf *PdfObjectArray )GetAsFloat64Slice ()([]float64 ,error ){var _agbda []float64 ;for _ ,_cfda :=range _eacf .Elements (){_cgcc ,_ebgf :=GetNumberAsFloat (TraceToDirectObject (_cfda ));if _ebgf !=nil {return nil ,_gga .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");
};_agbda =append (_agbda ,_cgcc );};return _agbda ,nil ;};

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

// RunLengthEncoder represents Run length encoding.
type RunLengthEncoder struct{};func (_ggfcc *PdfParser )traceStreamLength (_bgfg PdfObject )(PdfObject ,error ){_fecf ,_fadeb :=_bgfg .(*PdfObjectReference );if _fadeb {_cfce ,_bcadg :=_ggfcc ._gcbad [_fecf .ObjectNumber ];if _bcadg &&_cfce {_be .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 ,_d .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_ggfcc ._gcbad [_fecf .ObjectNumber ]=true ;};_fbec ,_ggfb :=_ggfcc .Resolve (_bgfg );if _ggfb !=nil {return nil ,_ggfb ;
};_be .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_fbec );if _fadeb {_ggfcc ._gcbad [_fecf .ObjectNumber ]=false ;};return _fbec ,nil ;};

// WriteString outputs the object as it is to be written to file.
func (_cad *PdfObjectDictionary )WriteString ()string {var _edbc _dd .Builder ;_edbc .WriteString ("\u003c\u003c");for _ ,_feadf :=range _cad ._efcg {_eada :=_cad ._agadc [_feadf ];_edbc .WriteString (_feadf .WriteString ());_edbc .WriteString ("\u0020");
_edbc .WriteString (_eada .WriteString ());};_edbc .WriteString ("\u003e\u003e");return _edbc .String ();};func _addd (_beeb *PdfObjectStream ,_eeaf *MultiEncoder )(*DCTEncoder ,error ){_fafa :=NewDCTEncoder ();_bccd :=_beeb .PdfObjectDictionary ;if _bccd ==nil {return _fafa ,nil ;
};_feg :=_beeb .Stream ;if _eeaf !=nil {_bbad ,_afeg :=_eeaf .DecodeBytes (_feg );if _afeg !=nil {return nil ,_afeg ;};_feg =_bbad ;};_gbf :=_c .NewReader (_feg );_gdag ,_ddc :=_bc .DecodeConfig (_gbf );if _ddc !=nil {_be .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_ddc );
return nil ,_ddc ;};switch _gdag .ColorModel {case _ge .RGBAModel :_fafa .BitsPerComponent =8;_fafa .ColorComponents =3;case _ge .RGBA64Model :_fafa .BitsPerComponent =16;_fafa .ColorComponents =3;case _ge .GrayModel :_fafa .BitsPerComponent =8;_fafa .ColorComponents =1;
case _ge .Gray16Model :_fafa .BitsPerComponent =16;_fafa .ColorComponents =1;case _ge .CMYKModel :_fafa .BitsPerComponent =8;_fafa .ColorComponents =4;case _ge .YCbCrModel :_fafa .BitsPerComponent =8;_fafa .ColorComponents =3;default:return nil ,_d .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_fafa .Width =_gdag .Width ;_fafa .Height =_gdag .Height ;_be .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_fafa );_fafa .Quality =DefaultJPEGQuality ;return _fafa ,nil ;};

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

// HasOddLengthHexStrings checks if the document has odd length hexadecimal strings.
func (_fbcd ParserMetadata )HasOddLengthHexStrings ()bool {return _fbcd ._abac };func _cag (_gaea _ad .ReadSeeker ,_eded int64 )(*limitedReadSeeker ,error ){_ ,_eaecc :=_gaea .Seek (0,_ad .SeekStart );if _eaecc !=nil {return nil ,_eaecc ;};return &limitedReadSeeker {_gdbce :_gaea ,_cbeg :_eded },nil ;
};

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

// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_fec *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _bgfa _c .Buffer ;_cbecac :=_c .NewReader (encoded );var _cfeb _ad .ReadCloser ;if _fec .EarlyChange ==1{_cfeb =_ffb .NewReader (_cbecac ,_ffb .MSB ,8);}else {_cfeb =_gg .NewReader (_cbecac ,_gg .MSB ,8);
};defer _cfeb .Close ();if _ ,_fagg :=_bgfa .ReadFrom (_cfeb );_fagg !=nil {if _fagg !=_ad .ErrUnexpectedEOF ||_bgfa .Len ()==0{return nil ,_fagg ;};_be .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",_fagg );
};return _bgfa .Bytes (),nil ;};func _gbbbg (_ceacg *PdfObjectDictionary )(_acgc *_ffd .ImageBase ){var (_feebd *PdfObjectInteger ;_geaab bool ;);if _feebd ,_geaab =_ceacg .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );_geaab {_acgc =&_ffd .ImageBase {Width :int (*_feebd )};
}else {return nil ;};if _feebd ,_geaab =_ceacg .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );_geaab {_acgc .Height =int (*_feebd );};if _feebd ,_geaab =_ceacg .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );
_geaab {_acgc .BitsPerComponent =int (*_feebd );};if _feebd ,_geaab =_ceacg .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );_geaab {_acgc .ColorComponents =int (*_feebd );};return _acgc ;};


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

// 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 (_dcec *PdfParser )GetTrailer ()*PdfObjectDictionary {return _dcec ._agbc };const (_bfe =0;_feaa =1;_bedg =2;_eea =3;_aca =4;);

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

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

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

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

// DecodeStream decodes the stream data and returns the decoded data.
// An error is returned upon failure.
func DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_be .Log .Trace ("\u0044\u0065\u0063\u006f\u0064\u0065\u0020\u0073\u0074\u0072\u0065\u0061\u006d");_ceff ,_efgg :=NewEncoderFromStream (streamObj );if _efgg !=nil {_be .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",_efgg );
return nil ,_efgg ;};_be .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u0023\u0076\u000a",_ceff );_ffad ,_efgg :=_ceff .DecodeStream (streamObj );if _efgg !=nil {_be .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",_efgg );
return nil ,_efgg ;};return _ffad ,nil ;};func (_dddde *PdfCrypt )encryptBytes (_ggbe []byte ,_fac string ,_eeec []byte )([]byte ,error ){_be .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");_gbef ,_aec :=_dddde ._aga [_fac ];
if !_aec {return nil ,_gga .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_fac );};return _gbef .EncryptBytes (_ggbe ,_eeec );};

// 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 _ad .ReadSeeker )(_caee *PdfParser ,_cfe error ){_caee =&PdfParser {_abbg :rs ,ObjCache :make (objectCache ),_gcbad :map[int64 ]bool {},_begf :true ,_gadab :make (map[*PdfParser ]*PdfParser )};if _cfe =_caee .parseDetailedHeader ();
_cfe !=nil {return nil ,_cfe ;};if _caee ._agbc ,_cfe =_caee .loadXrefs ();_cfe !=nil {_be .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",_cfe );
return nil ,_cfe ;};_be .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_caee ._agbc );if len (_caee ._abff .ObjectMap )==0{return nil ,_gga .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 _caee ,nil ;};

// GetUpdatedObjects returns pdf objects which were updated from the specific version (from prevParser).
func (_aeegd *PdfParser )GetUpdatedObjects (prevParser *PdfParser )(map[int64 ]PdfObject ,error ){if prevParser ==nil {return nil ,_d .New ("\u0070\u0072e\u0076\u0069\u006f\u0075\u0073\u0020\u0070\u0061\u0072\u0073\u0065\u0072\u0020\u0063\u0061\u006e\u0027\u0074\u0020\u0062\u0065\u0020nu\u006c\u006c");
};_eggcb ,_ddfeb :=_aeegd .getNumbersOfUpdatedObjects (prevParser );if _ddfeb !=nil {return nil ,_ddfeb ;};_gfcd :=make (map[int64 ]PdfObject );for _ ,_cdbec :=range _eggcb {if _gfdc ,_egaec :=_aeegd .LookupByNumber (_cdbec );_egaec ==nil {_gfcd [int64 (_cdbec )]=_gfdc ;
}else {return nil ,_egaec ;};};return _gfcd ,nil ;};

// GetParser returns the parser for lazy-loading or compare references.
func (_bgbeb *PdfObjectReference )GetParser ()*PdfParser {return _bgbeb ._gafb };func (_bcf *PdfParser )lookupObjectViaOS (_dec int ,_dg int )(PdfObject ,error ){var _caa *_c .Reader ;var _ee objectStream ;var _bgc bool ;_ee ,_bgc =_bcf ._efbea [_dec ];
if !_bgc {_acd ,_ggf :=_bcf .LookupByNumber (_dec );if _ggf !=nil {_be .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",_dec );
return nil ,_ggf ;};_bb ,_cc :=_acd .(*PdfObjectStream );if !_cc {return nil ,_d .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _bcf ._ddcf !=nil &&!_bcf ._ddcf .isDecrypted (_bb ){return nil ,_d .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");
};_bbc :=_bb .PdfObjectDictionary ;_be .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_bbc .String ());_aff ,_cc :=_bbc .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_cc {_be .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 ,_d .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 _dd .ToLower (string (*_aff ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_be .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 ,_d .New ("\u006f\u0062\u006a\u0065c\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0074y\u0070e\u0020\u0021\u003d\u0020\u004f\u0062\u006aS\u0074\u006d");};N ,_cc :=_bbc .Get ("\u004e").(*PdfObjectInteger );if !_cc {return nil ,_d .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");
};_cg ,_cc :=_bbc .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_cc {return nil ,_d .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");
};_be .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",_aff ,*N );_da ,_ggf :=DecodeStream (_bb );if _ggf !=nil {return nil ,_ggf ;
};_be .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_da );_ccf :=_bcf .GetFileOffset ();defer func (){_bcf .SetFileOffset (_ccf )}();_caa =_c .NewReader (_da );_bcf ._affg =_ec .NewReader (_caa );_be .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_eed :=map[int ]int64 {};for _bad :=0;_bad < int (*N );_bad ++{_bcf .skipSpaces ();_dgc ,_fb :=_bcf .parseNumber ();if _fb !=nil {return nil ,_fb ;};_bcgf ,_fff :=_dgc .(*PdfObjectInteger );if !_fff {return nil ,_d .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");
};_bcf .skipSpaces ();_dgc ,_fb =_bcf .parseNumber ();if _fb !=nil {return nil ,_fb ;};_bff ,_fff :=_dgc .(*PdfObjectInteger );if !_fff {return nil ,_d .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");
};_be .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_bcgf ,*_bff );_eed [int (*_bcgf )]=int64 (*_cg +*_bff );};_ee =objectStream {N :int (*N ),_bcg :_da ,_ef :_eed };_bcf ._efbea [_dec ]=_ee ;}else {_cb :=_bcf .GetFileOffset ();
defer func (){_bcf .SetFileOffset (_cb )}();_caa =_c .NewReader (_ee ._bcg );_bcf ._affg =_ec .NewReader (_caa );};_fe :=_ee ._ef [_dg ];_be .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_dg ,_fe );
_caa .Seek (_fe ,_ad .SeekStart );_bcf ._affg =_ec .NewReader (_caa );_gd ,_ :=_bcf ._affg .Peek (100);_be .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_gd ));_adb ,_bgcc :=_bcf .parseObject ();if _bgcc !=nil {_be .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",_bgcc );
return nil ,_bgcc ;};if _adb ==nil {return nil ,_d .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");};_gb :=PdfIndirectObject {};_gb .ObjectNumber =int64 (_dg );_gb .PdfObject =_adb ;_gb ._gafb =_bcf ;
return &_gb ,nil ;};var _bcbe =_eb .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");

// 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 _dea .Image ,bwThreshold float64 )(*JBIG2Image ,error ){const _gaaaf ="\u0047\u006f\u0049\u006d\u0061\u0067\u0065\u0054\u006fJ\u0042\u0049\u0047\u0032";if i ==nil {return nil ,_ab .Error (_gaaaf ,"i\u006d\u0061\u0067\u0065 '\u0069'\u0020\u006e\u006f\u0074\u0020d\u0065\u0066\u0069\u006e\u0065\u0064");
};var (_edfdb uint8 ;_ddcd _ffd .Image ;_gdgb error ;);if bwThreshold ==JB2ImageAutoThreshold {_ddcd ,_gdgb =_ffd .MonochromeConverter .Convert (i );}else if bwThreshold > 1.0||bwThreshold < 0.0{return nil ,_ab .Error (_gaaaf ,"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 {_edfdb =uint8 (255*bwThreshold );_ddcd ,_gdgb =_ffd .MonochromeThresholdConverter (_edfdb ).Convert (i );};if _gdgb !=nil {return nil ,_gdgb ;};return _dggg (_ddcd ),nil ;};func _bcda (_fccf string )(PdfObjectReference ,error ){_fgda :=PdfObjectReference {};
_bafd :=_bdbb .FindStringSubmatch (_fccf );if len (_bafd )< 3{_be .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");return _fgda ,_d .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};_cebec ,_ :=_b .Atoi (_bafd [1]);_aeeg ,_ :=_b .Atoi (_bafd [2]);_fgda .ObjectNumber =int64 (_cebec );_fgda .GenerationNumber =int64 (_aeeg );return _fgda ,nil ;};

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

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

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

// GetRevision returns PdfParser for the specific version of the Pdf document.
func (_adgg *PdfParser )GetRevision (revisionNumber int )(*PdfParser ,error ){_fbge :=_adgg ._bgda ;if _fbge ==revisionNumber {return _adgg ,nil ;};if _fbge < revisionNumber {return nil ,_d .New ("\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064\u0020\u0072\u0065\u0076\u0069\u0073i\u006fn\u004e\u0075\u006d\u0062\u0065\u0072\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e");
};if _adgg ._cfef [revisionNumber ]!=nil {return _adgg ._cfef [revisionNumber ],nil ;};_geag :=_adgg ;for ;_fbge > revisionNumber ;_fbge --{_agbd ,_gdfgd :=_geag .GetPreviousRevisionParser ();if _gdfgd !=nil {return nil ,_gdfgd ;};_adgg ._cfef [_fbge -1]=_agbd ;
_adgg ._gadab [_geag ]=_agbd ;_geag =_agbd ;};return _geag ,nil ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_caad *ASCII85Encoder )MakeDecodeParams ()PdfObject {return nil };func _cga (_efd PdfObject )(int64 ,int64 ,error ){if _cd ,_ed :=_efd .(*PdfIndirectObject );_ed {return _cd .ObjectNumber ,_cd .GenerationNumber ,nil ;};if _bged ,_adf :=_efd .(*PdfObjectStream );
_adf {return _bged .ObjectNumber ,_bged .GenerationNumber ,nil ;};return 0,0,_d .New ("\u006e\u006ft\u0020\u0061\u006e\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u002f\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006f\u0062je\u0063\u0074");};func (_ffca *PdfParser )resolveReference (_bffdf *PdfObjectReference )(PdfObject ,bool ,error ){_abfe ,_egdgb :=_ffca .ObjCache [int (_bffdf .ObjectNumber )];
if _egdgb {return _abfe ,true ,nil ;};_gebc ,_eaeg :=_ffca .LookupByReference (*_bffdf );if _eaeg !=nil {return nil ,false ,_eaeg ;};_ffca .ObjCache [int (_bffdf .ObjectNumber )]=_gebc ;return _gebc ,false ,nil ;};

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

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

// 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 ;_baf []XrefObject ;};type objectStream struct{N int ;_bcg []byte ;_ef map[int ]int64 ;};var _addf =_eb .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");


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


// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_dcc *PdfCrypt )GetAccessPermissions ()_db .Permissions {return _dcc ._dce .P };func (_fedc *PdfParser )parseObject ()(PdfObject ,error ){_be .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");
_fedc .skipSpaces ();for {_ecgd ,_becc :=_fedc ._affg .Peek (2);if _becc !=nil {if _becc !=_ad .EOF ||len (_ecgd )==0{return nil ,_becc ;};if len (_ecgd )==1{_ecgd =append (_ecgd ,' ');};};_be .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_ecgd ));
if _ecgd [0]=='/'{_efgfd ,_afgb :=_fedc .parseName ();_be .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_efgfd );return &_efgfd ,_afgb ;}else if _ecgd [0]=='('{_be .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");
_ecaa ,_fdggc :=_fedc .parseString ();return _ecaa ,_fdggc ;}else if _ecgd [0]=='['{_be .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");_egegg ,_adde :=_fedc .parseArray ();return _egegg ,_adde ;}else if (_ecgd [0]=='<')&&(_ecgd [1]=='<'){_be .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");
_daag ,_bfad :=_fedc .ParseDict ();return _daag ,_bfad ;}else if _ecgd [0]=='<'{_be .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");_abc ,_cceb :=_fedc .parseHexString ();return _abc ,_cceb ;}else if _ecgd [0]=='%'{_fedc .readComment ();
_fedc .skipSpaces ();}else {_be .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_ecgd ,_ =_fedc ._affg .Peek (15);_fcfg :=string (_ecgd );_be .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_fcfg );
if (len (_fcfg )> 3)&&(_fcfg [:4]=="\u006e\u0075\u006c\u006c"){_gcbec ,_bcae :=_fedc .parseNull ();return &_gcbec ,_bcae ;}else if (len (_fcfg )> 4)&&(_fcfg [:5]=="\u0066\u0061\u006cs\u0065"){_fdcf ,_fgbe :=_fedc .parseBool ();return &_fdcf ,_fgbe ;}else if (len (_fcfg )> 3)&&(_fcfg [:4]=="\u0074\u0072\u0075\u0065"){_ecgdb ,_daac :=_fedc .parseBool ();
return &_ecgdb ,_daac ;};_fgag :=_bdbb .FindStringSubmatch (_fcfg );if len (_fgag )> 1{_ecgd ,_ =_fedc ._affg .ReadBytes ('R');_be .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_ecgd [:]));_dcbb ,_ecee :=_bcda (string (_ecgd ));
_dcbb ._gafb =_fedc ;return &_dcbb ,_ecee ;};_eeg :=_bcbe .FindStringSubmatch (_fcfg );if len (_eeg )> 1{_be .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");_gddg ,_adcf :=_fedc .parseNumber ();return _gddg ,_adcf ;};_eeg =_addf .FindStringSubmatch (_fcfg );
if len (_eeg )> 1{_be .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");_be .Log .Trace ("\u0025\u0020\u0073",_eeg );_fbeb ,_edb :=_fedc .parseNumber ();return _fbeb ,_edb ;
};_be .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_fcfg );return nil ,_d .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");
};};};func (_cbf *ASCII85Encoder )base256Tobase85 (_gefc uint32 )[5]byte {_fagcd :=[5]byte {0,0,0,0,0};_fcgg :=_gefc ;for _fbee :=0;_fbee < 5;_fbee ++{_bbcc :=uint32 (1);for _bdbd :=0;_bdbd < 4-_fbee ;_bdbd ++{_bbcc *=85;};_abb :=_fcgg /_bbcc ;_fcgg =_fcgg %_bbcc ;
_fagcd [_fbee ]=byte (_abb );};return _fagcd ;};

// WriteString outputs the object as it is to be written to file.
func (_cbba *PdfObjectName )WriteString ()string {var _aagf _c .Buffer ;if len (*_cbba )> 127{_be .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a \u004e\u0061\u006d\u0065\u0020t\u006fo\u0020l\u006f\u006e\u0067\u0020\u0028\u0025\u0073)",*_cbba );};_aagf .WriteString ("\u002f");
for _agadce :=0;_agadce < len (*_cbba );_agadce ++{_daee :=(*_cbba )[_agadce ];if !IsPrintable (_daee )||_daee =='#'||IsDelimiter (_daee ){_aagf .WriteString (_gga .Sprintf ("\u0023\u0025\u002e2\u0078",_daee ));}else {_aagf .WriteByte (_daee );};};return _aagf .String ();
};func _gcef (_egcb ,_ebdea ,_aaff uint8 )uint8 {_eaae :=int (_aaff );_cgad :=int (_ebdea )-_eaae ;_ecgc :=int (_egcb )-_eaae ;_eaae =_gdgg (_cgad +_ecgc );_cgad =_gdgg (_cgad );_ecgc =_gdgg (_ecgc );if _cgad <=_ecgc &&_cgad <=_eaae {return _egcb ;}else if _ecgc <=_eaae {return _ebdea ;
};return _aaff ;};

// 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 (_ccdeb *JBIG2Encoder )DecodeImages (encoded []byte )([]_dea .Image ,error ){const _aaea ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_acfa ,_bfdfa :=_add .Decode (encoded ,_add .Parameters {},_ccdeb .Globals .ToDocumentGlobals ());
if _bfdfa !=nil {return nil ,_ab .Wrap (_bfdfa ,_aaea ,"");};_beg ,_bfdfa :=_acfa .PageNumber ();if _bfdfa !=nil {return nil ,_ab .Wrap (_bfdfa ,_aaea ,"");};_ecff :=[]_dea .Image {};var _bdccc _dea .Image ;for _bebf :=1;_bebf <=_beg ;_bebf ++{_bdccc ,_bfdfa =_acfa .DecodePageImage (_bebf );
if _bfdfa !=nil {return nil ,_ab .Wrapf (_bfdfa ,_aaea ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_bebf );};_ecff =append (_ecff ,_bdccc );};return _ecff ,nil ;};

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

// For predictors
Columns int ;Colors int ;

// LZW algorithm setting.
EarlyChange int ;};func _afa (_decb *PdfObjectStream ,_dge *PdfObjectDictionary )(*FlateEncoder ,error ){_aced :=NewFlateEncoder ();_ddfa :=_decb .PdfObjectDictionary ;if _ddfa ==nil {return _aced ,nil ;};_aced ._gge =_gbbbg (_ddfa );if _dge ==nil {_ddfg :=TraceToDirectObject (_ddfa .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));
switch _egaa :=_ddfg .(type ){case *PdfObjectArray :if _egaa .Len ()!=1{_be .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",_egaa .Len ());
return nil ,_d .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _afcg ,_gedg :=GetDict (_egaa .Get (0));_gedg {_dge =_afcg ;};case *PdfObjectDictionary :_dge =_egaa ;case *PdfObjectNull ,nil :default:_be .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",_ddfg );
return nil ,_gga .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _dge ==nil {return _aced ,nil ;};_be .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_dge .String ());
_facf :=_dge .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _facf ==nil {_be .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 {_cege ,_cff :=_facf .(*PdfObjectInteger );if !_cff {_be .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",_facf );
return nil ,_gga .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_aced .Predictor =int (*_cege );};_facf =_dge .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _facf !=nil {_dgf ,_gce :=_facf .(*PdfObjectInteger );if !_gce {_be .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 ,_gga .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_aced .BitsPerComponent =int (*_dgf );};if _aced .Predictor > 1{_aced .Columns =1;_facf =_dge .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _facf !=nil {_gba ,_adac :=_facf .(*PdfObjectInteger );if !_adac {return nil ,_gga .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_aced .Columns =int (*_gba );
};_aced .Colors =1;_facf =_dge .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _facf !=nil {_fffb ,_agbb :=_facf .(*PdfObjectInteger );if !_agbb {return nil ,_gga .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");
};_aced .Colors =int (*_fffb );};};return _aced ,nil ;};

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_bgac string ;_fgce bool ;};

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

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

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

// PdfObjectFloat represents the primitive PDF floating point numerical object.
type PdfObjectFloat float64 ;const (XrefTypeTableEntry xrefType =iota ;XrefTypeObjectStream xrefType =iota ;);

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

// 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 ;};

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

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

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

// 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 *_ec .Reader )(PdfObject ,error ){_dafe :=false ;_baafg :=true ;var _eddg _c .Buffer ;for {if _be .Log .IsLogLevel (_be .LogLevelTrace ){_be .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_eddg .String ());
};_ceaa ,_ccb :=buf .Peek (1);if _ccb ==_ad .EOF {break ;};if _ccb !=nil {_be .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_ccb );return nil ,_ccb ;};if _baafg &&(_ceaa [0]=='-'||_ceaa [0]=='+'){_ceadce ,_ :=buf .ReadByte ();_eddg .WriteByte (_ceadce );
_baafg =false ;}else if IsDecimalDigit (_ceaa [0]){_efdf ,_ :=buf .ReadByte ();_eddg .WriteByte (_efdf );}else if _ceaa [0]=='.'{_gbbf ,_ :=buf .ReadByte ();_eddg .WriteByte (_gbbf );_dafe =true ;}else if _ceaa [0]=='e'||_ceaa [0]=='E'{_fcfd ,_ :=buf .ReadByte ();
_eddg .WriteByte (_fcfd );_dafe =true ;_baafg =true ;}else {break ;};};var _cdcfa PdfObject ;if _dafe {_efddc ,_fafd :=_b .ParseFloat (_eddg .String (),64);if _fafd !=nil {_be .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",_eddg .String (),_fafd );
_efddc =0.0;};_acac :=PdfObjectFloat (_efddc );_cdcfa =&_acac ;}else {_ebba ,_dafde :=_b .ParseInt (_eddg .String (),10,64);if _dafde !=nil {_be .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",_eddg .String (),_dafde );
_ebba =0;};_cgbdb :=PdfObjectInteger (_ebba );_cdcfa =&_cgbdb ;};return _cdcfa ,nil ;};

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_agadc map[PdfObjectName ]PdfObject ;_efcg []PdfObjectName ;_bfdc *_g .Mutex ;_afgbef *PdfParser ;};

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

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

// ReadBytesAt reads byte content at specific offset and length within the PDF.
func (_aada *PdfParser )ReadBytesAt (offset ,len int64 )([]byte ,error ){_dafa :=_aada .GetFileOffset ();_ ,_bagb :=_aada ._abbg .Seek (offset ,_ad .SeekStart );if _bagb !=nil {return nil ,_bagb ;};_bcbc :=make ([]byte ,len );_ ,_bagb =_ad .ReadAtLeast (_aada ._abbg ,_bcbc ,int (len ));
if _bagb !=nil {return nil ,_bagb ;};_aada .SetFileOffset (_dafa );return _bcbc ,nil ;};

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

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

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

// 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 (_aae *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _aae .isEncrypted (obj ){return nil ;};switch _afgc :=obj .(type ){case *PdfIndirectObject :_aae ._aeg [_afgc ]=true ;_be .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",_afgc .ObjectNumber ,_afgc .GenerationNumber );
_cfc :=_afgc .ObjectNumber ;_bcba :=_afgc .GenerationNumber ;_dde :=_aae .Encrypt (_afgc .PdfObject ,_cfc ,_bcba );if _dde !=nil {return _dde ;};return nil ;case *PdfObjectStream :_aae ._aeg [_afgc ]=true ;_caae :=_afgc .PdfObjectDictionary ;if _feac ,_dded :=_caae .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_dded &&*_feac =="\u0058\u0052\u0065\u0066"{return nil ;};_gfae :=_afgc .ObjectNumber ;_gdb :=_afgc .GenerationNumber ;_be .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_gfae ,_gdb );
_eggc :=_bec ;if _aae ._abf .V >=4{_eggc =_aae ._gef ;_be .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_aae ._gef );if _fgf ,_eec :=_caae .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_eec {if _bbfb ,_dae :=GetName (_fgf .Get (0));_dae {if *_bbfb =="\u0043\u0072\u0079p\u0074"{_eggc ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _adaf ,_feeb :=_caae .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_feeb {if _gcbc ,_adfcc :=_adaf .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_adfcc {if _ ,_fbg :=_aae ._aga [string (*_gcbc )];_fbg {_be .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_gcbc );
_eggc =string (*_gcbc );};};};};};};_be .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_eggc );if _eggc =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_cae :=_aae .Encrypt (_afgc .PdfObjectDictionary ,_gfae ,_gdb );
if _cae !=nil {return _cae ;};_eba ,_cae :=_aae .makeKey (_eggc ,uint32 (_gfae ),uint32 (_gdb ),_aae ._aa );if _cae !=nil {return _cae ;};_afgc .Stream ,_cae =_aae .encryptBytes (_afgc .Stream ,_eggc ,_eba );if _cae !=nil {return _cae ;};_caae .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_afgc .Stream ))));
return nil ;case *PdfObjectString :_be .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_efgb :=_bec ;if _aae ._abf .V >=4{_be .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_aae ._gfa );
if _aae ._gfa =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_efgb =_aae ._gfa ;};_gefd ,_cfab :=_aae .makeKey (_efgb ,uint32 (parentObjNum ),uint32 (parentGenNum ),_aae ._aa );if _cfab !=nil {return _cfab ;};_edd :=_afgc .Str ();_beda :=make ([]byte ,len (_edd ));
for _ddad :=0;_ddad < len (_edd );_ddad ++{_beda [_ddad ]=_edd [_ddad ];};_be .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_beda ,_beda );_beda ,_cfab =_aae .encryptBytes (_beda ,_efgb ,_gefd );
if _cfab !=nil {return _cfab ;};_afgc ._bgac =string (_beda );return nil ;case *PdfObjectArray :for _ ,_aeb :=range _afgc .Elements (){_gcd :=_aae .Encrypt (_aeb ,parentObjNum ,parentGenNum );if _gcd !=nil {return _gcd ;};};return nil ;case *PdfObjectDictionary :_bgbb :=false ;
if _gaaag :=_afgc .Get ("\u0054\u0079\u0070\u0065");_gaaag !=nil {_beag ,_gee :=_gaaag .(*PdfObjectName );if _gee &&*_beag =="\u0053\u0069\u0067"{_bgbb =true ;};};for _ ,_bgbg :=range _afgc .Keys (){_cced :=_afgc .Get (_bgbg );if _bgbb &&string (_bgbg )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;
};if string (_bgbg )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_bgbg )!="\u0050\u0072\u0065\u0076"&&string (_bgbg )!="\u004c\u0061\u0073\u0074"{_dbd :=_aae .Encrypt (_cced ,parentObjNum ,parentGenNum );if _dbd !=nil {return _dbd ;};};};return nil ;
};return nil ;};

// ReadAtLeast reads at least n bytes into slice p.
// Returns the number of bytes read (should always be == n), and an error on failure.
func (_dfb *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_ceae :=n ;_egcef :=0;_fcaf :=0;for _ceae > 0{_afac ,_cabg :=_dfb ._affg .Read (p [_egcef :]);if _cabg !=nil {_be .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",_afac ,_fcaf ,_cabg .Error ());
return _egcef ,_d .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_fcaf ++;_egcef +=_afac ;_ceae -=_afac ;};return _egcef ,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 )(_fddf string ,_acdc bool ){_daaa ,_acdc :=TraceToDirectObject (obj ).(*PdfObjectName );if _acdc {return string (*_daaa ),true ;};return ;};

// StreamEncoder represents the interface for all PDF stream encoders.
type StreamEncoder interface{GetFilterName ()string ;MakeDecodeParams ()PdfObject ;MakeStreamDict ()*PdfObjectDictionary ;UpdateParams (_dgdb *PdfObjectDictionary );EncodeBytes (_agf []byte )([]byte ,error );DecodeBytes (_daga []byte )([]byte ,error );
DecodeStream (_fcbe *PdfObjectStream )([]byte ,error );};func (_ffdg *PdfParser )parseDetailedHeader ()(_bgde error ){_ffdg ._abbg .Seek (0,_ad .SeekStart );_ffdg ._affg =_ec .NewReader (_ffdg ._abbg );_fgdd :=20;_gbb :=make ([]byte ,_fgdd );var (_egf bool ;
_dega int ;);for {_dgd ,_gfef :=_ffdg ._affg .ReadByte ();if _gfef !=nil {if _gfef ==_ad .EOF {break ;}else {return _gfef ;};};if IsDecimalDigit (_dgd )&&_gbb [_fgdd -1]=='.'&&IsDecimalDigit (_gbb [_fgdd -2])&&_gbb [_fgdd -3]=='-'&&_gbb [_fgdd -4]=='F'&&_gbb [_fgdd -5]=='D'&&_gbb [_fgdd -6]=='P'&&_gbb [_fgdd -7]=='%'{_ffdg ._cdgf =Version {Major :int (_gbb [_fgdd -2]-'0'),Minor :int (_dgd -'0')};
_ffdg ._agaad ._gcf =_dega -7;_egf =true ;break ;};_dega ++;_gbb =append (_gbb [1:_fgdd ],_dgd );};if !_egf {return _gga .Errorf ("n\u006f \u0066\u0069\u006c\u0065\u0020\u0068\u0065\u0061d\u0065\u0072\u0020\u0066ou\u006e\u0064");};_cbc ,_bgde :=_ffdg ._affg .ReadByte ();
if _bgde ==_ad .EOF {return _gga .Errorf ("\u006eo\u0074\u0020\u0061\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0050d\u0066\u0020\u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074");};if _bgde !=nil {return _bgde ;};_ffdg ._agaad ._fdb =_cbc =='\n';_cbc ,_bgde =_ffdg ._affg .ReadByte ();
if _bgde !=nil {return _gga .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",_bgde );};if _cbc !='%'{return nil ;};_dbdg :=make ([]byte ,4);_ ,_bgde =_ffdg ._affg .Read (_dbdg );
if _bgde !=nil {return _gga .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",_bgde );};_ffdg ._agaad ._dff =[4]byte {_dbdg [0],_dbdg [1],_dbdg [2],_dbdg [3]};
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 )(_cbggc *PdfObjectArray ,_dfee bool ){_cbggc ,_dfee =TraceToDirectObject (obj ).(*PdfObjectArray );return _cbggc ,_dfee ;};func (_ddfe *PdfParser )skipSpaces ()(int ,error ){_fege :=0;for {_bfea ,_bafa :=_ddfe ._affg .ReadByte ();
if _bafa !=nil {return 0,_bafa ;};if IsWhiteSpace (_bfea ){_fege ++;}else {_ddfe ._affg .UnreadByte ();break ;};};return _fege ,nil ;};

// UpdateParams updates the parameter values of the encoder.
func (_baeb *RunLengthEncoder )UpdateParams (params *PdfObjectDictionary ){};func _bcgb (_cdeb *_db .StdEncryptDict ,_afc *PdfObjectDictionary )error {R ,_fef :=_afc .Get ("\u0052").(*PdfObjectInteger );if !_fef {return _d .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 _gga .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0052 \u0028\u0025\u0064\u0029",*R );};_cdeb .R =int (*R );O ,_fef :=_afc .GetString ("\u004f");if !_fef {return _d .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 _cdeb .R ==5||_cdeb .R ==6{if len (O )< 48{return _gga .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 _gga .Errorf ("L\u0065n\u0067\u0074\u0068\u0028\u004f\u0029\u0020\u0021=\u0020\u0033\u0032\u0020(%\u0064\u0029",len (O ));
};_cdeb .O =[]byte (O );U ,_fef :=_afc .GetString ("\u0055");if !_fef {return _d .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 _cdeb .R ==5||_cdeb .R ==6{if len (U )< 48{return _gga .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{_be .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 ));};_cdeb .U =[]byte (U );if _cdeb .R >=5{OE ,_ddb :=_afc .GetString ("\u004f\u0045");
if !_ddb {return _d .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 _gga .Errorf ("L\u0065\u006e\u0067\u0074h(\u004fE\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (OE ));
};_cdeb .OE =[]byte (OE );UE ,_ddb :=_afc .GetString ("\u0055\u0045");if !_ddb {return _d .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 _gga .Errorf ("L\u0065\u006e\u0067\u0074h(\u0055E\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (UE ));};_cdeb .UE =[]byte (UE );};P ,_fef :=_afc .Get ("\u0050").(*PdfObjectInteger );if !_fef {return _d .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");
};_cdeb .P =_db .Permissions (*P );if _cdeb .R ==6{Perms ,_fefg :=_afc .GetString ("\u0050\u0065\u0072m\u0073");if !_fefg {return _d .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 _gga .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 ));};_cdeb .Perms =[]byte (Perms );};if _fda ,_gffe :=_afc .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_gffe {_cdeb .EncryptMetadata =bool (*_fda );}else {_cdeb .EncryptMetadata =true ;};return nil ;};

// Decrypt an object with specified key. For numbered objects,
// the key argument is not used and a new one is generated based
// on the object and generation number.
// Traverses through all the subobjects (recursive).
//
// Does not look up references..  That should be done prior to calling.
func (_edc *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _edc .isDecrypted (obj ){return nil ;};switch _efec :=obj .(type ){case *PdfIndirectObject :_edc ._fee [_efec ]=true ;_be .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",_efec .ObjectNumber ,_efec .GenerationNumber );
_deb :=_efec .ObjectNumber ;_gfc :=_efec .GenerationNumber ;_bda :=_edc .Decrypt (_efec .PdfObject ,_deb ,_gfc );if _bda !=nil {return _bda ;};return nil ;case *PdfObjectStream :_edc ._fee [_efec ]=true ;_egc :=_efec .PdfObjectDictionary ;if _edc ._dce .R !=5{if _bba ,_ccd :=_egc .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_ccd &&*_bba =="\u0058\u0052\u0065\u0066"{return nil ;};};_ffc :=_efec .ObjectNumber ;_beca :=_efec .GenerationNumber ;_be .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_ffc ,_beca );
_agg :=_bec ;if _edc ._abf .V >=4{_agg =_edc ._gef ;_be .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_edc ._gef );if _fae ,_eeeb :=_egc .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_eeeb {if _ffcc ,_adc :=GetName (_fae .Get (0));_adc {if *_ffcc =="\u0043\u0072\u0079p\u0074"{_agg ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _beb ,_bcbf :=_egc .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_bcbf {if _dagd ,_gbeg :=_beb .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_gbeg {if _ ,_bbb :=_edc ._aga [string (*_dagd )];_bbb {_be .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_dagd );
_agg =string (*_dagd );};};};};};};_be .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_agg );if _agg =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_bafc :=_edc .Decrypt (_egc ,_ffc ,_beca );
if _bafc !=nil {return _bafc ;};_ffaf ,_bafc :=_edc .makeKey (_agg ,uint32 (_ffc ),uint32 (_beca ),_edc ._aa );if _bafc !=nil {return _bafc ;};_efec .Stream ,_bafc =_edc .decryptBytes (_efec .Stream ,_agg ,_ffaf );if _bafc !=nil {return _bafc ;};_egc .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_efec .Stream ))));
return nil ;case *PdfObjectString :_be .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_edcc :=_bec ;if _edc ._abf .V >=4{_be .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_edc ._gfa );
if _edc ._gfa =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_edcc =_edc ._gfa ;};_cbbe ,_bbd :=_edc .makeKey (_edcc ,uint32 (parentObjNum ),uint32 (parentGenNum ),_edc ._aa );if _bbd !=nil {return _bbd ;};_cab :=_efec .Str ();_gaaa :=make ([]byte ,len (_cab ));
for _ece :=0;_ece < len (_cab );_ece ++{_gaaa [_ece ]=_cab [_ece ];};if len (_gaaa )> 0{_be .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_gaaa ,_gaaa );
_gaaa ,_bbd =_edc .decryptBytes (_gaaa ,_edcc ,_cbbe );if _bbd !=nil {return _bbd ;};};_efec ._bgac =string (_gaaa );return nil ;case *PdfObjectArray :for _ ,_ccaf :=range _efec .Elements (){_eaeca :=_edc .Decrypt (_ccaf ,parentObjNum ,parentGenNum );if _eaeca !=nil {return _eaeca ;
};};return nil ;case *PdfObjectDictionary :_cgb :=false ;if _ebd :=_efec .Get ("\u0054\u0079\u0070\u0065");_ebd !=nil {_dbad ,_cabb :=_ebd .(*PdfObjectName );if _cabb &&*_dbad =="\u0053\u0069\u0067"{_cgb =true ;};};for _ ,_deae :=range _efec .Keys (){_egdg :=_efec .Get (_deae );
if _cgb &&string (_deae )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_deae )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_deae )!="\u0050\u0072\u0065\u0076"&&string (_deae )!="\u004c\u0061\u0073\u0074"{_dddd :=_edc .Decrypt (_egdg ,parentObjNum ,parentGenNum );
if _dddd !=nil {return _dddd ;};};};return nil ;};return nil ;};

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

// MakeArrayFromIntegers64 creates an PdfObjectArray from a slice of int64s, where each array element
// is an PdfObjectInteger.
func MakeArrayFromIntegers64 (vals []int64 )*PdfObjectArray {_fbgg :=MakeArray ();for _ ,_edbe :=range vals {_fbgg .Append (MakeInteger (_edbe ));};return _fbgg ;};func (_gfdg *PdfParser )readComment ()(string ,error ){var _cdca _c .Buffer ;_ ,_feff :=_gfdg .skipSpaces ();
if _feff !=nil {return _cdca .String (),_feff ;};_egdggf :=true ;for {_ddfd ,_cccc :=_gfdg ._affg .Peek (1);if _cccc !=nil {_be .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_cccc .Error ());return _cdca .String (),_cccc ;};if _egdggf &&_ddfd [0]!='%'{return _cdca .String (),_d .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");
};_egdggf =false ;if (_ddfd [0]!='\r')&&(_ddfd [0]!='\n'){_bcdd ,_ :=_gfdg ._affg .ReadByte ();_cdca .WriteByte (_bcdd );}else {break ;};};return _cdca .String (),nil ;};

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

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

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

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

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_gedf *MultiEncoder )MakeDecodeParams ()PdfObject {if len (_gedf ._edeg )==0{return nil ;};if len (_gedf ._edeg )==1{return _gedf ._edeg [0].MakeDecodeParams ();};_cfba :=MakeArray ();_ebgc :=true ;for _ ,_ffbc :=range _gedf ._edeg {_dbdb :=_ffbc .MakeDecodeParams ();
if _dbdb ==nil {_cfba .Append (MakeNull ());}else {_ebgc =false ;_cfba .Append (_dbdb );};};if _ebgc {return nil ;};return _cfba ;};

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

// For predictors
Columns int ;Rows int ;Colors int ;_gge *_ffd .ImageBase ;};

// 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 )(_fdbae *PdfObjectStream ,_geee bool ){obj =ResolveReference (obj );_fdbae ,_geee =obj .(*PdfObjectStream );return _fdbae ,_geee ;};

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

// AddEncoder adds the passed in encoder to the underlying encoder slice.
func (_aadg *MultiEncoder )AddEncoder (encoder StreamEncoder ){_aadg ._edeg =append (_aadg ._edeg ,encoder );};func (_aadd *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_aadd ._abff .ObjectMap =make (map[int ]XrefObject );_aadd ._efbea =make (objectStreams );
_afab ,_aeca :=_aadd ._abbg .Seek (0,_ad .SeekEnd );if _aeca !=nil {return nil ,_aeca ;};_be .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_afab );_aadd ._gaf =_afab ;_aeca =_aadd .seekToEOFMarker (_afab );if _aeca !=nil {_be .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",_aeca );
return nil ,_aeca ;};_cfbag ,_aeca :=_aadd ._abbg .Seek (0,_ad .SeekCurrent );if _aeca !=nil {return nil ,_aeca ;};var _aaeb int64 =64;_cfcdc :=_cfbag -_aaeb ;if _cfcdc < 0{_cfcdc =0;};_ ,_aeca =_aadd ._abbg .Seek (_cfcdc ,_ad .SeekStart );if _aeca !=nil {return nil ,_aeca ;
};_afbd :=make ([]byte ,_aaeb );_ ,_aeca =_aadd ._abbg .Read (_afbd );if _aeca !=nil {_be .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",_aeca );
return nil ,_aeca ;};_bdcb :=_efbe .FindStringSubmatch (string (_afbd ));if len (_bdcb )< 2{_be .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 ,_d .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};if len (_bdcb )> 2{_be .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",_afbd );return nil ,_d .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");
};_ddda ,_ :=_b .ParseInt (_bdcb [1],10,64);_be .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_ddda );if _ddda > _afab {_be .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");
_be .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");_ddda ,_aeca =_aadd .repairLocateXref ();if _aeca !=nil {_be .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 ,_aeca ;};};_aadd ._abbg .Seek (_ddda ,_ad .SeekStart );_aadd ._affg =_ec .NewReader (_aadd ._abbg );_fface ,_aeca :=_aadd .parseXref ();if _aeca !=nil {return nil ,_aeca ;};_ecga :=_fface .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");if _ecga !=nil {_agad ,_abcf :=_ecga .(*PdfObjectInteger );
if !_abcf {return nil ,_d .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_aeca =_aadd .parseXrefStream (_agad );if _aeca !=nil {return nil ,_aeca ;};};var _cgefc []int64 ;_dbdc :=func (_cbee int64 ,_agdge []int64 )bool {for _ ,_afead :=range _agdge {if _afead ==_cbee {return true ;
};};return false ;};_ecga =_fface .Get ("\u0050\u0072\u0065\u0076");for _ecga !=nil {_cebf ,_efcc :=_ecga .(*PdfObjectInteger );if !_efcc {_be .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",_ecga );
return _fface ,nil ;};_dbggb :=*_cebf ;_be .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",_dbggb );_aadd ._abbg .Seek (int64 (_dbggb ),_ad .SeekStart );
_aadd ._affg =_ec .NewReader (_aadd ._abbg );_cec ,_eedc :=_aadd .parseXref ();if _eedc !=nil {_be .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");
_be .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 ;};_aadd ._ecdd =append (_aadd ._ecdd ,int64 (_dbggb ));
_ecga =_cec .Get ("\u0050\u0072\u0065\u0076");if _ecga !=nil {_aeed :=*(_ecga .(*PdfObjectInteger ));if _dbdc (int64 (_aeed ),_cgefc ){_be .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 ;};_cgefc =append (_cgefc ,int64 (_aeed ));};};return _fface ,nil ;};const (StreamEncodingFilterNameFlate ="F\u006c\u0061\u0074\u0065\u0044\u0065\u0063\u006f\u0064\u0065";StreamEncodingFilterNameLZW ="\u004cZ\u0057\u0044\u0065\u0063\u006f\u0064e";
StreamEncodingFilterNameDCT ="\u0044C\u0054\u0044\u0065\u0063\u006f\u0064e";StreamEncodingFilterNameRunLength ="\u0052u\u006eL\u0065\u006e\u0067\u0074\u0068\u0044\u0065\u0063\u006f\u0064\u0065";StreamEncodingFilterNameASCIIHex ="\u0041\u0053\u0043\u0049\u0049\u0048\u0065\u0078\u0044e\u0063\u006f\u0064\u0065";
StreamEncodingFilterNameASCII85 ="\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0044\u0065\u0063\u006f\u0064\u0065";StreamEncodingFilterNameCCITTFax ="\u0043\u0043\u0049\u0054\u0054\u0046\u0061\u0078\u0044e\u0063\u006f\u0064\u0065";StreamEncodingFilterNameJBIG2 ="J\u0042\u0049\u0047\u0032\u0044\u0065\u0063\u006f\u0064\u0065";
StreamEncodingFilterNameJPX ="\u004aP\u0058\u0044\u0065\u0063\u006f\u0064e";StreamEncodingFilterNameRaw ="\u0052\u0061\u0077";);

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

// 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 )(_cgadec bool ,_fdffc bool ){_cbdce ,_fdffc :=TraceToDirectObject (obj ).(*PdfObjectBool );if _fdffc {return bool (*_cbdce ),true ;};return false ,false ;};

// HeaderCommentBytes gets the header comment bytes.
func (_dege ParserMetadata )HeaderCommentBytes ()[4]byte {return _dege ._dff };type cryptFilters map[string ]_ebe .Filter ;var _aagc =_eb .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");func _gdgg (_dga int )int {_ffcb :=_dga >>(_egaff -1);
return (_dga ^_ffcb )-_ffcb };

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

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

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

// SetFileOffset sets the file to an offset position and resets buffer.
func (_ccdee *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_ccdee ._abbg .Seek (offset ,_ad .SeekStart );_ccdee ._affg =_ec .NewReader (_ccdee ._abbg );};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_bgdeb *JBIG2Encoder )MakeStreamDict ()*PdfObjectDictionary {_fbag :=MakeDict ();_fbag .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_bgdeb .GetFilterName ()));return _fbag ;};func _fggg (_gec _ad .ReadSeeker ,_febg int64 )(*offsetReader ,error ){_gfcaa :=&offsetReader {_gagcg :_gec ,_dadb :_febg };
_ ,_edgf :=_gfcaa .Seek (0,_ad .SeekStart );return _gfcaa ,_edgf ;};

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

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_fce *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_be .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_be .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_fce .Predictor );
_gfgf ,_gabc :=_fce .DecodeBytes (streamObj .Stream );if _gabc !=nil {return nil ,_gabc ;};_be .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_be .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_gfgf ),_gfgf );
if _fce .Predictor > 1{if _fce .Predictor ==2{_be .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_bdae :=_fce .Columns *_fce .Colors ;if _bdae < 1{return []byte {},nil ;};_aaed :=len (_gfgf )/_bdae ;if len (_gfgf )%_bdae !=0{_be .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 ,_gga .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 (_gfgf ),_bdae );};if _bdae %_fce .Colors !=0{return nil ,_gga .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",_bdae ,_fce .Colors );
};if _bdae > len (_gfgf ){_be .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",_bdae ,len (_gfgf ));
return nil ,_d .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_be .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_gfgf ),_gfgf );
_fgg :=_c .NewBuffer (nil );for _abe :=0;_abe < _aaed ;_abe ++{_fagga :=_gfgf [_bdae *_abe :_bdae *(_abe +1)];for _cgab :=_fce .Colors ;_cgab < _bdae ;_cgab ++{_fagga [_cgab ]=byte (int (_fagga [_cgab ]+_fagga [_cgab -_fce .Colors ])%256);};_fgg .Write (_fagga );
};_bbfd :=_fgg .Bytes ();_be .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_bbfd ),_bbfd );return _bbfd ,nil ;}else if _fce .Predictor >=10&&_fce .Predictor <=15{_be .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_fgaf :=_fce .Columns *_fce .Colors +1;if _fgaf < 1{return []byte {},nil ;};_decg :=len (_gfgf )/_fgaf ;if len (_gfgf )%_fgaf !=0{return nil ,_gga .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 (_gfgf ),_fgaf );
};if _fgaf > len (_gfgf ){_be .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",_fgaf ,len (_gfgf ));
return nil ,_d .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_faba :=_c .NewBuffer (nil );_be .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_fce .Columns );
_be .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_gfgf ),_fgaf ,_decg );_gdbe :=make ([]byte ,_fgaf );for _ebffe :=0;_ebffe < _fgaf ;_ebffe ++{_gdbe [_ebffe ]=0;
};for _cgdf :=0;_cgdf < _decg ;_cgdf ++{_gbac :=_gfgf [_fgaf *_cgdf :_fgaf *(_cgdf +1)];_gdg :=_gbac [0];switch _gdg {case 0:case 1:for _fge :=2;_fge < _fgaf ;_fge ++{_gbac [_fge ]=byte (int (_gbac [_fge ]+_gbac [_fge -1])%256);};case 2:for _gacf :=1;_gacf < _fgaf ;
_gacf ++{_gbac [_gacf ]=byte (int (_gbac [_gacf ]+_gdbe [_gacf ])%256);};default:_be .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",_gdg );
return nil ,_gga .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_gdg );};for _aaad :=0;_aaad < _fgaf ;_aaad ++{_gdbe [_aaad ]=_gbac [_aaad ];};_faba .Write (_gbac [1:]);
};_eef :=_faba .Bytes ();return _eef ,nil ;}else {_be .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",_fce .Predictor );
return nil ,_gga .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",_fce .Predictor );};};return _gfgf ,nil ;};func _dcaa (_deea *PdfObjectStream )(*MultiEncoder ,error ){_bcab :=NewMultiEncoder ();
_eaa :=_deea .PdfObjectDictionary ;if _eaa ==nil {return _bcab ,nil ;};var _aedb *PdfObjectDictionary ;var _gdcd []PdfObject ;_fdgd :=_eaa .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _fdgd !=nil {_cede ,_ebcd :=_fdgd .(*PdfObjectDictionary );
if _ebcd {_aedb =_cede ;};_ggfg ,_dged :=_fdgd .(*PdfObjectArray );if _dged {for _ ,_gacd :=range _ggfg .Elements (){_gacd =TraceToDirectObject (_gacd );if _ggdda ,_aecc :=_gacd .(*PdfObjectDictionary );_aecc {_gdcd =append (_gdcd ,_ggdda );}else {_gdcd =append (_gdcd ,MakeDict ());
};};};};_fdgd =_eaa .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");if _fdgd ==nil {return nil ,_gga .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");};_dfab ,_gedc :=_fdgd .(*PdfObjectArray );if !_gedc {return nil ,_gga .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 _gdd ,_adea :=range _dfab .Elements (){_gbee ,_egcg :=_adea .(*PdfObjectName );if !_egcg {return nil ,_gga .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 _gcbag PdfObject ;if _aedb !=nil {_gcbag =_aedb ;}else {if len (_gdcd )> 0{if _gdd >=len (_gdcd ){return nil ,_gga .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");
};_gcbag =_gdcd [_gdd ];};};var _bbgg *PdfObjectDictionary ;if _abef ,_fffa :=_gcbag .(*PdfObjectDictionary );_fffa {_bbgg =_abef ;};_be .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",*_gbee ,_gcbag ,_bbgg );
if *_gbee ==StreamEncodingFilterNameFlate {_caac ,_eaecf :=_afa (_deea ,_bbgg );if _eaecf !=nil {return nil ,_eaecf ;};_bcab .AddEncoder (_caac );}else if *_gbee ==StreamEncodingFilterNameLZW {_ddef ,_adeb :=_cfb (_deea ,_bbgg );if _adeb !=nil {return nil ,_adeb ;
};_bcab .AddEncoder (_ddef );}else if *_gbee ==StreamEncodingFilterNameASCIIHex {_dbcg :=NewASCIIHexEncoder ();_bcab .AddEncoder (_dbcg );}else if *_gbee ==StreamEncodingFilterNameASCII85 {_dbe :=NewASCII85Encoder ();_bcab .AddEncoder (_dbe );}else if *_gbee ==StreamEncodingFilterNameDCT {_dffa ,_feaag :=_addd (_deea ,_bcab );
if _feaag !=nil {return nil ,_feaag ;};_bcab .AddEncoder (_dffa );_be .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_be .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_bcab );
}else if *_gbee ==StreamEncodingFilterNameCCITTFax {_adga ,_fdcc :=_gagdc (_deea ,_bbgg );if _fdcc !=nil {return nil ,_fdcc ;};_bcab .AddEncoder (_adga );}else {_be .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_gbee );
return nil ,_gga .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 _bcab ,nil ;};type offsetReader struct{_gagcg _ad .ReadSeeker ;
_dadb int64 ;};

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

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

// MakeStreamDict make a new instance of an encoding dictionary for a stream object.
func (_cbaa *ASCII85Encoder )MakeStreamDict ()*PdfObjectDictionary {_bbgf :=MakeDict ();_bbgf .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_cbaa .GetFilterName ()));return _bbgf ;};func (_abg *FlateEncoder )postDecodePredict (_afeac []byte )([]byte ,error ){if _abg .Predictor > 1{if _abg .Predictor ==2{_be .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_be .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_abg .Colors );_gagc :=_abg .Columns *_abg .Colors ;if _gagc < 1{return []byte {},nil ;};_fcae :=len (_afeac )/_gagc ;if len (_afeac )%_gagc !=0{_be .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 ,_gga .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 (_afeac ),_gagc );};if _gagc %_abg .Colors !=0{return nil ,_gga .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",_gagc ,_abg .Colors );
};if _gagc > len (_afeac ){_be .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",_gagc ,len (_afeac ));
return nil ,_d .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_be .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_afeac ),_afeac );
_debb :=_c .NewBuffer (nil );for _aag :=0;_aag < _fcae ;_aag ++{_gffg :=_afeac [_gagc *_aag :_gagc *(_aag +1)];for _edf :=_abg .Colors ;_edf < _gagc ;_edf ++{_gffg [_edf ]+=_gffg [_edf -_abg .Colors ];};_debb .Write (_gffg );};_ggfa :=_debb .Bytes ();_be .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_ggfa ),_ggfa );
return _ggfa ,nil ;}else if _abg .Predictor >=10&&_abg .Predictor <=15{_be .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_fbab :=_abg .Columns *_abg .Colors +1;_eeb :=len (_afeac )/_fbab ;if len (_afeac )%_fbab !=0{return nil ,_gga .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 (_afeac ),_fbab );
};if _fbab > len (_afeac ){_be .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",_fbab ,len (_afeac ));
return nil ,_d .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_aef :=_c .NewBuffer (nil );_be .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_abg .Columns );
_be .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_afeac ),_fbab ,_eeb );_bcge :=make ([]byte ,_fbab );for _dead :=0;_dead < _fbab ;_dead ++{_bcge [_dead ]=0;
};_bcd :=_abg .Colors ;for _bdc :=0;_bdc < _eeb ;_bdc ++{_fgfe :=_afeac [_fbab *_bdc :_fbab *(_bdc +1)];_gbaa :=_fgfe [0];switch _gbaa {case _bfe :case _feaa :for _cgec :=1+_bcd ;_cgec < _fbab ;_cgec ++{_fgfe [_cgec ]+=_fgfe [_cgec -_bcd ];};case _bedg :for _dgcg :=1;
_dgcg < _fbab ;_dgcg ++{_fgfe [_dgcg ]+=_bcge [_dgcg ];};case _eea :for _fdg :=1;_fdg < _bcd +1;_fdg ++{_fgfe [_fdg ]+=_bcge [_fdg ]/2;};for _fcd :=_bcd +1;_fcd < _fbab ;_fcd ++{_fgfe [_fcd ]+=byte ((int (_fgfe [_fcd -_bcd ])+int (_bcge [_fcd ]))/2);};
case _aca :for _fcdg :=1;_fcdg < _fbab ;_fcdg ++{var _fcdd ,_gfb ,_bfce byte ;_gfb =_bcge [_fcdg ];if _fcdg >=_bcd +1{_fcdd =_fgfe [_fcdg -_bcd ];_bfce =_bcge [_fcdg -_bcd ];};_fgfe [_fcdg ]+=_gcef (_fcdd ,_gfb ,_bfce );};default:_be .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",_gbaa ,_bdc );
return nil ,_gga .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_gbaa );};copy (_bcge ,_fgfe );_aef .Write (_fgfe [1:]);};_bdbg :=_aef .Bytes ();return _bdbg ,nil ;
}else {_be .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",_abg .Predictor );return nil ,_gga .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",_abg .Predictor );
};};return _afeac ,nil ;};

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

// MakeDictMap creates a PdfObjectDictionary initialized from a map of keys to values.
func MakeDictMap (objmap map[string ]PdfObject )*PdfObjectDictionary {_bbaa :=MakeDict ();return _bbaa .Update (objmap );};func _gdeg (_ega XrefTable ){_be .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");_be .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");
_gdf :=0;for _ ,_dcf :=range _ega .ObjectMap {_be .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",_gdf +1,_dcf .ObjectNumber ,_dcf .Generation ,_dcf .Offset );
_gdf ++;};};var _eaca =_eb .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");

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

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

// 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 ;};

// 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 )(_bbebd *PdfObjectStreams ,_affge bool ){_bbebd ,_affge =obj .(*PdfObjectStreams );return _bbebd ,_affge ;};

// Append appends PdfObject(s) to the array.
func (_cabfg *PdfObjectArray )Append (objects ...PdfObject ){if _cabfg ==nil {_be .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 ;};_cabfg ._ccg =append (_cabfg ._ccg ,objects ...);};

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

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

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

// MakeDict creates and returns an empty PdfObjectDictionary.
func MakeDict ()*PdfObjectDictionary {_acbc :=&PdfObjectDictionary {};_acbc ._agadc =map[PdfObjectName ]PdfObject {};_acbc ._efcg =[]PdfObjectName {};_acbc ._bfdc =&_g .Mutex {};return _acbc ;};

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

// 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 (_ddadb *PdfObjectString )Decoded ()string {if _ddadb ==nil {return "";};_begef :=[]byte (_ddadb ._bgac );if len (_begef )>=2&&_begef [0]==0xFE&&_begef [1]==0xFF{return _ffa .UTF16ToString (_begef [2:]);};return _ffa .PDFDocEncodingToString (_begef );
};

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

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_ggd *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_feb :=_c .NewReader (encoded );_fdgg ,_beea :=_bc .Decode (_feb );if _beea !=nil {_be .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_beea );
return nil ,_beea ;};_gea :=_fdgg .Bounds ();var _cfac =make ([]byte ,_gea .Dx ()*_gea .Dy ()*_ggd .ColorComponents *_ggd .BitsPerComponent /8);_gfbb :=0;for _fcfb :=_gea .Min .Y ;_fcfb < _gea .Max .Y ;_fcfb ++{for _feee :=_gea .Min .X ;_feee < _gea .Max .X ;
_feee ++{_gedb :=_fdgg .At (_feee ,_fcfb );if _ggd .ColorComponents ==1{if _ggd .BitsPerComponent ==16{_agc ,_gdgd :=_gedb .(_ge .Gray16 );if !_gdgd {return nil ,_d .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_cfac [_gfbb ]=byte ((_agc .Y >>8)&0xff);_gfbb ++;_cfac [_gfbb ]=byte (_agc .Y &0xff);_gfbb ++;}else {_fdge ,_fbe :=_gedb .(_ge .Gray );if !_fbe {return nil ,_d .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_cfac [_gfbb ]=_fdge .Y &0xff;_gfbb ++;};}else if _ggd .ColorComponents ==3{if _ggd .BitsPerComponent ==16{_abd ,_bfbg :=_gedb .(_ge .RGBA64 );if !_bfbg {return nil ,_d .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_cfac [_gfbb ]=byte ((_abd .R >>8)&0xff);_gfbb ++;_cfac [_gfbb ]=byte (_abd .R &0xff);_gfbb ++;_cfac [_gfbb ]=byte ((_abd .G >>8)&0xff);_gfbb ++;_cfac [_gfbb ]=byte (_abd .G &0xff);_gfbb ++;_cfac [_gfbb ]=byte ((_abd .B >>8)&0xff);_gfbb ++;_cfac [_gfbb ]=byte (_abd .B &0xff);
_gfbb ++;}else {_agae ,_bbgb :=_gedb .(_ge .RGBA );if _bbgb {_cfac [_gfbb ]=_agae .R &0xff;_gfbb ++;_cfac [_gfbb ]=_agae .G &0xff;_gfbb ++;_cfac [_gfbb ]=_agae .B &0xff;_gfbb ++;}else {_ggad ,_feba :=_gedb .(_ge .YCbCr );if !_feba {return nil ,_d .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_cedc ,_acfc ,_cbgd ,_ :=_ggad .RGBA ();_cfac [_gfbb ]=byte (_cedc >>8);_gfbb ++;_cfac [_gfbb ]=byte (_acfc >>8);_gfbb ++;_cfac [_gfbb ]=byte (_cbgd >>8);_gfbb ++;};};}else if _ggd .ColorComponents ==4{_eeea ,_cgff :=_gedb .(_ge .CMYK );if !_cgff {return nil ,_d .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_cfac [_gfbb ]=255-_eeea .C &0xff;_gfbb ++;_cfac [_gfbb ]=255-_eeea .M &0xff;_gfbb ++;_cfac [_gfbb ]=255-_eeea .Y &0xff;_gfbb ++;_cfac [_gfbb ]=255-_eeea .K &0xff;_gfbb ++;};};};return _cfac ,nil ;};

// EncodeBytes implements support for LZW encoding.  Currently not supporting predictors (raw compressed data only).
// Only supports the Early change = 1 algorithm (compress/lzw) as the other implementation
// does not have a write method.
// TODO: Consider refactoring compress/lzw to allow both.
func (_fgff *LZWEncoder )EncodeBytes (data []byte )([]byte ,error ){if _fgff .Predictor !=1{return nil ,_gga .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 _fgff .EarlyChange ==1{return nil ,_gga .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 _gdfa _c .Buffer ;_fgfeb :=_gg .NewWriter (&_gdfa ,_gg .MSB ,8);_fgfeb .Write (data );_fgfeb .Close ();return _gdfa .Bytes (),nil ;};

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

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

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

// 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 =='.'};

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

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

// Append appends PdfObject(s) to the streams.
func (_bfbf *PdfObjectStreams )Append (objects ...PdfObject ){if _bfbf ==nil {_be .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 ;};_bfbf ._addb =append (_bfbf ._addb ,objects ...);};

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_aege :=_c .NewReader ([]byte (txt ));_ccdg :=&PdfParser {ObjCache :objectCache {},_abbg :_aege ,_affg :_ec .NewReader (_aege ),_gaf :int64 (len (txt )),_gcbad :map[int64 ]bool {},_gadab :make (map[*PdfParser ]*PdfParser )};
_ccdg ._abff .ObjectMap =make (map[int ]XrefObject );return _ccdg ;};func _ecge (_edea *PdfObjectStream ,_ffde *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _bcfb ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";
_bdda :=NewJBIG2Encoder ();_egac :=_edea .PdfObjectDictionary ;if _egac ==nil {return _bdda ,nil ;};if _ffde ==nil {_ecae :=_egac .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _ecae !=nil {switch _ffea :=_ecae .(type ){case *PdfObjectDictionary :_ffde =_ffea ;
case *PdfObjectArray :if _ffea .Len ()==1{if _dabc ,_ggcb :=GetDict (_ffea .Get (0));_ggcb {_ffde =_dabc ;};};default:_be .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",_ecae );
return nil ,_ab .Errorf (_bcfb ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_ffea );};};};if _ffde ==nil {return _bdda ,nil ;};_bdda .UpdateParams (_ffde );
_aee ,_aded :=GetStream (_ffde .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_aded {return _bdda ,nil ;};var _dbgd error ;_bdda .Globals ,_dbgd =_ce .DecodeGlobals (_aee .Stream );if _dbgd !=nil {_dbgd =_ab .Wrap (_dbgd ,_bcfb ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_be .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_dbgd );return nil ,_dbgd ;};return _bdda ,nil ;};

// HasInvalidHexRunes implements core.ParserMetadata interface.
func (_eaf ParserMetadata )HasInvalidHexRunes ()bool {return _eaf ._fgac };func (_dacg *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){const _fgecd =20;_deff ,_ :=_dacg ._affg .Peek (_fgecd );for _fced :=0;_fced < 2;_fced ++{if _dacg ._dfeda ==0{_dacg ._dfeda =_dacg .GetFileOffset ();
};if _bagc .Match (_deff ){_be .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");
_be .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_deff ));return _dacg .parseXrefStream (nil );};if _aagc .Match (_deff ){_be .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 _dacg .parseXrefTable ();};_fbea :=_dacg .GetFileOffset ();if _dacg ._dfeda ==0{_dacg ._dfeda =_fbea ;};_dacg .SetFileOffset (_fbea -_fgecd );defer _dacg .SetFileOffset (_fbea );_fbebc ,_ :=_dacg ._affg .Peek (_fgecd );_deff =append (_fbebc ,_deff ...);
};_be .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 _dfgf :=_dacg .repairSeekXrefMarker ();_dfgf !=nil {_be .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_dfgf );return nil ,_dfgf ;};return _dacg .parseXrefTable ();};

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

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

// 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 ){_geb :=&PdfCrypt {_egab :false ,_fee :make (map[PdfObject ]bool ),_aeg :make (map[PdfObject ]bool ),_fafe :make (map[int ]struct{}),_deg :parser };_eaec ,_efb :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_efb {_be .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 _geb ,_d .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 *_eaec !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_be .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",*_eaec );
return _geb ,_d .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_geb ._abf .Filter =string (*_eaec );if _bfdb ,_efbf :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_efbf {_geb ._abf .SubFilter =_bfdb .Str ();
_be .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_bfdb );};if L ,_ege :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_ege {if (*L %8)!=0{_be .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 _geb ,_d .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_geb ._abf .Length =int (*L );}else {_geb ._abf .Length =40;};_geb ._abf .V =0;if _fbcb ,_ggg :=ed .Get ("\u0056").(*PdfObjectInteger );
_ggg {V :=int (*_fbcb );_geb ._abf .V =V ;if V >=1&&V <=2{_geb ._aga =_ffe (_geb ._abf .Length );}else if V >=4&&V <=5{if _efa :=_geb .loadCryptFilters (ed );_efa !=nil {return _geb ,_efa ;};}else {_be .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 _geb ,_d .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _edg :=_bcgb (&_geb ._dce ,ed );_edg !=nil {return _geb ,_edg ;};_bfa :="";if _adfc ,_cce :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_cce &&_adfc .Len ()>=1{_cbb ,_fdaa :=GetString (_adfc .Get (0));if !_fdaa {return _geb ,_d .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_bfa =_cbb .Str ();}else {_be .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");
};_geb ._fdfg =_bfa ;return _geb ,nil ;};func (_afe *PdfParser )lookupByNumber (_bgd int ,_bef bool )(PdfObject ,bool ,error ){_bac ,_fc :=_afe .ObjCache [_bgd ];if _fc {_be .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",_bgd );
return _bac ,false ,nil ;};if _afe ._fgec ==nil {_afe ._fgec =map[int ]bool {};};if _afe ._fgec [_bgd ]{_be .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",_bgd );
return nil ,false ,_d .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");};_afe ._fgec [_bgd ]=true ;defer delete (_afe ._fgec ,_bgd );
_gf ,_fc :=_afe ._abff .ObjectMap [_bgd ];if !_fc {_be .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 _bgb PdfObjectNull ;return &_bgb ,false ,nil ;};_be .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_bgd );if _gf .XType ==XrefTypeTableEntry {_be .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_gf .ObjectNumber );
_be .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_gf .Generation );_be .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_gf .Offset );_afe ._abbg .Seek (_gf .Offset ,_ad .SeekStart );
_afe ._affg =_ec .NewReader (_afe ._abbg );_ebf ,_ecc :=_afe .ParseIndirectObject ();if _ecc !=nil {_be .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",_ecc );
if _bef {_be .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");_addc ,_ceg :=_afe .repairRebuildXrefsTopDown ();
if _ceg !=nil {_be .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_ceg );return nil ,false ,_ceg ;};_afe ._abff =*_addc ;return _afe .lookupByNumber (_bgd ,false );
};return nil ,false ,_ecc ;};if _bef {_fgc ,_ ,_ :=_cga (_ebf );if int (_fgc )!=_bgd {_be .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_eg :=_afe .rebuildXrefTable ();
if _eg !=nil {return nil ,false ,_eg ;};_afe .ObjCache =objectCache {};return _afe .lookupByNumberWrapper (_bgd ,false );};};_be .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_afe .ObjCache [_bgd ]=_ebf ;
return _ebf ,false ,nil ;}else if _gf .XType ==XrefTypeObjectStream {_be .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_be .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_be .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",_gf .OsObjNumber ,_gf .OsObjIndex );
if _gf .OsObjNumber ==_bgd {_be .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 ,_d .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_caf :=_afe ._abff .ObjectMap [_gf .OsObjNumber ];_caf {_fcf ,_bbf :=_afe .lookupObjectViaOS (_gf .OsObjNumber ,_bgd );if _bbf !=nil {_be .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_bbf );
return nil ,true ,_bbf ;};_be .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_afe .ObjCache [_bgd ]=_fcf ;if _afe ._ddcf !=nil {_afe ._ddcf ._fee [_fcf ]=true ;};return _fcf ,true ,nil ;};_be .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 ,_d .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 ,_d .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_cdg *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_bbbg :=_c .NewReader (encoded );var _fdc []byte ;for {_dfd ,_cgabc :=_bbbg .ReadByte ();if _cgabc !=nil {return nil ,_cgabc ;};if _dfd =='>'{break ;};if IsWhiteSpace (_dfd ){continue ;
};if (_dfd >='a'&&_dfd <='f')||(_dfd >='A'&&_dfd <='F')||(_dfd >='0'&&_dfd <='9'){_fdc =append (_fdc ,_dfd );}else {_be .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",_dfd );
return nil ,_gga .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",_dfd );};};if len (_fdc )%2==1{_fdc =append (_fdc ,'0');
};_be .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_fdc );_edfd :=make ([]byte ,_ag .DecodedLen (len (_fdc )));_ ,_fegf :=_ag .Decode (_edfd ,_fdc );if _fegf !=nil {return nil ,_fegf ;};return _edfd ,nil ;};func (_fecgf *PdfParser )seekToEOFMarker (_cgade int64 )error {var _eeafd int64 ;
var _eggg int64 =2048;for _eeafd < _cgade -4{if _cgade <=(_eggg +_eeafd ){_eggg =_cgade -_eeafd ;};_ ,_gadd :=_fecgf ._abbg .Seek (_cgade -_eeafd -_eggg ,_ad .SeekStart );if _gadd !=nil {return _gadd ;};_aaeag :=make ([]byte ,_eggg );_fecgf ._abbg .Read (_aaeag );
_be .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 (_aaeag ));_bdbbb :=_dfdfe .FindAllStringIndex (string (_aaeag ),-1);if _bdbbb !=nil {_ebef :=_bdbbb [len (_bdbbb )-1];
_be .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_bdbbb );_cgga :=_cgade -_eeafd -_eggg +int64 (_ebef [0]);_fecgf ._abbg .Seek (_cgga ,_ad .SeekStart );return nil ;};_be .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");
_eeafd +=_eggg -4;};_be .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 _efed ;};func (_ccfd *PdfParser )xrefNextObjectOffset (_cagb int64 )int64 {_bgeagf :=int64 (0);
if len (_ccfd ._abff .ObjectMap )==0{return 0;};if len (_ccfd ._abff ._baf )==0{_cgdd :=0;for _ ,_fcdc :=range _ccfd ._abff .ObjectMap {if _fcdc .Offset > 0{_cgdd ++;};};if _cgdd ==0{return 0;};_ccfd ._abff ._baf =make ([]XrefObject ,_cgdd );_cgebc :=0;
for _ ,_ebbf :=range _ccfd ._abff .ObjectMap {if _ebbf .Offset > 0{_ccfd ._abff ._baf [_cgebc ]=_ebbf ;_cgebc ++;};};_f .Slice (_ccfd ._abff ._baf ,func (_bagd ,_fabag int )bool {return _ccfd ._abff ._baf [_bagd ].Offset < _ccfd ._abff ._baf [_fabag ].Offset });
};_dgac :=_f .Search (len (_ccfd ._abff ._baf ),func (_cebee int )bool {return _ccfd ._abff ._baf [_cebee ].Offset >=_cagb });if _dgac < len (_ccfd ._abff ._baf ){_bgeagf =_ccfd ._abff ._baf [_dgac ].Offset ;};return _bgeagf ;};func (_fefe *PdfCrypt )isEncrypted (_fba PdfObject )bool {_ ,_bdb :=_fefe ._aeg [_fba ];
if _bdb {_be .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");return true ;};_be .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};

// 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 (_bcca *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _gdagd []int64 ;for _ ,_bfcg :=range _bcca .Elements (){if _gcad ,_deaec :=_bfcg .(*PdfObjectInteger );_deaec {_gdagd =append (_gdagd ,int64 (*_gcad ));}else {return nil ,ErrTypeError ;};
};return _gdagd ,nil ;};

// NewLZWEncoder makes a new LZW encoder with default parameters.
func NewLZWEncoder ()*LZWEncoder {_eedd :=&LZWEncoder {};_eedd .Predictor =1;_eedd .BitsPerComponent =8;_eedd .Colors =1;_eedd .Columns =1;_eedd .EarlyChange =1;return _eedd ;};func (_fgad *PdfParser )parseString ()(*PdfObjectString ,error ){_fgad ._affg .ReadByte ();
var _bgca _c .Buffer ;_eaaa :=1;for {_ffg ,_cgc :=_fgad ._affg .Peek (1);if _cgc !=nil {return MakeString (_bgca .String ()),_cgc ;};if _ffg [0]=='\\'{_fgad ._affg .ReadByte ();_dfea ,_gfgd :=_fgad ._affg .ReadByte ();if _gfgd !=nil {return MakeString (_bgca .String ()),_gfgd ;
};if IsOctalDigit (_dfea ){_eggb ,_bfcec :=_fgad ._affg .Peek (2);if _bfcec !=nil {return MakeString (_bgca .String ()),_bfcec ;};var _gfgg []byte ;_gfgg =append (_gfgg ,_dfea );for _ ,_ggagg :=range _eggb {if IsOctalDigit (_ggagg ){_gfgg =append (_gfgg ,_ggagg );
}else {break ;};};_fgad ._affg .Discard (len (_gfgg )-1);_be .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_gfgg );_aefa ,_bfcec :=_b .ParseUint (string (_gfgg ),8,32);if _bfcec !=nil {return MakeString (_bgca .String ()),_bfcec ;
};_bgca .WriteByte (byte (_aefa ));continue ;};switch _dfea {case 'n':_bgca .WriteRune ('\n');case 'r':_bgca .WriteRune ('\r');case 't':_bgca .WriteRune ('\t');case 'b':_bgca .WriteRune ('\b');case 'f':_bgca .WriteRune ('\f');case '(':_bgca .WriteRune ('(');
case ')':_bgca .WriteRune (')');case '\\':_bgca .WriteRune ('\\');};continue ;}else if _ffg [0]=='('{_eaaa ++;}else if _ffg [0]==')'{_eaaa --;if _eaaa ==0{_fgad ._affg .ReadByte ();break ;};};_bgff ,_ :=_fgad ._affg .ReadByte ();_bgca .WriteByte (_bgff );
};return MakeString (_bgca .String ()),nil ;};

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

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

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

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

// Height is the height of the image to encode.
Height int ;_beaaa *_df .Document ;

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

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_egdgg *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _ebde _dea .Image ;if _egdgg .ColorComponents ==1&&_egdgg .BitsPerComponent ==8{_ebde =&_dea .Gray {Rect :_dea .Rect (0,0,_egdgg .Width ,_egdgg .Height ),Pix :data ,Stride :_ffd .BytesPerLine (_egdgg .Width ,_egdgg .BitsPerComponent ,_egdgg .ColorComponents )};
}else {var _fcgd error ;_ebde ,_fcgd =_ffd .NewImage (_egdgg .Width ,_egdgg .Height ,_egdgg .BitsPerComponent ,_egdgg .ColorComponents ,data ,nil ,nil );if _fcgd !=nil {return nil ,_fcgd ;};};_cdda :=_bc .Options {};_cdda .Quality =_egdgg .Quality ;var _ggfe _c .Buffer ;
if _ggfc :=_bc .Encode (&_ggfe ,_ebde ,&_cdda );_ggfc !=nil {return nil ,_ggfc ;};return _ggfe .Bytes (),nil ;};

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

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

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

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_cdgf Version ;_abbg _ad .ReadSeeker ;_affg *_ec .Reader ;_gaf int64 ;_abff XrefTable ;_dfeda int64 ;_bgdef *xrefType ;_efbea objectStreams ;_agbc *PdfObjectDictionary ;_ddcf *PdfCrypt ;_adcb *PdfIndirectObject ;_adeffe bool ;ObjCache objectCache ;
_fgec map[int ]bool ;_gcbad map[int64 ]bool ;_agaad ParserMetadata ;_begf bool ;_ecdd []int64 ;_bgda int ;_fabg bool ;_bebg int64 ;_gadab map[*PdfParser ]*PdfParser ;_cfef []*PdfParser ;};

// 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 ;};

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_bdbf *FlateEncoder )MakeDecodeParams ()PdfObject {if _bdbf .Predictor > 1{_ebaa :=MakeDict ();_ebaa .Set ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr",MakeInteger (int64 (_bdbf .Predictor )));if _bdbf .BitsPerComponent !=8{_ebaa .Set ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074",MakeInteger (int64 (_bdbf .BitsPerComponent )));
};if _bdbf .Columns !=1{_ebaa .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_bdbf .Columns )));};if _bdbf .Colors !=1{_ebaa .Set ("\u0043\u006f\u006c\u006f\u0072\u0073",MakeInteger (int64 (_bdbf .Colors )));};return _ebaa ;};return nil ;
};var _befda =[]byte ("\u0030\u0031\u0032\u003345\u0036\u0037\u0038\u0039\u0061\u0062\u0063\u0064\u0065\u0066\u0041\u0042\u0043\u0044E\u0046");const _dcb =6;

// 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 ;};

// MakeName creates a PdfObjectName from a string.
func MakeName (s string )*PdfObjectName {_efefb :=PdfObjectName (s );return &_efefb };func (_dcba *PdfParser )inspect ()(map[string ]int ,error ){_be .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");
_be .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_gbdb :=map[string ]int {};_affe :=0;_cfec :=0;var _bfbfb []int ;for _dcab :=range _dcba ._abff .ObjectMap {_bfbfb =append (_bfbfb ,_dcab );};_f .Ints (_bfbfb );_feggc :=0;
for _ ,_gbfc :=range _bfbfb {_cbad :=_dcba ._abff .ObjectMap [_gbfc ];if _cbad .ObjectNumber ==0{continue ;};_affe ++;_be .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_be .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",_cbad .ObjectNumber );
_cgfgf ,_fgfea :=_dcba .LookupByNumber (_cbad .ObjectNumber );if _fgfea !=nil {_be .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",_cbad .ObjectNumber ,_fgfea );
_cfec ++;continue ;};_be .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_cgfgf );_febb ,_dafdc :=_cgfgf .(*PdfIndirectObject );if _dafdc {_be .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_cbad .ObjectNumber ,_febb );
_abbd ,_aaeg :=_febb .PdfObject .(*PdfObjectDictionary );if _aaeg {if _fdgdb ,_bbae :=_abbd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_bbae {_cefd :=string (*_fdgdb );_be .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_cefd );
_ ,_egacg :=_gbdb [_cefd ];if _egacg {_gbdb [_cefd ]++;}else {_gbdb [_cefd ]=1;};}else if _gbcb ,_bfag :=_abbd .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_bfag {_deef :=string (*_gbcb );_be .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_deef );
_ ,_babb :=_gbdb [_deef ];if _babb {_gbdb [_deef ]++;}else {_gbdb [_deef ]=1;};};if _afcad ,_gcgb :=_abbd .Get ("\u0053").(*PdfObjectName );_gcgb &&*_afcad =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_adbf :=_gbdb ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _adbf {_gbdb ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_gbdb ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _badd ,_ecbb :=_cgfgf .(*PdfObjectStream );_ecbb {if _ccae ,_ebgfe :=_badd .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_ebgfe {_be .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",*_ccae );_ffcd :=string (*_ccae );_gbdb [_ffcd ]++;};}else {_febe ,_bdfe :=_cgfgf .(*PdfObjectDictionary );
if _bdfe {_bdgc ,_fgef :=_febe .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _fgef {_fafg :=string (*_bdgc );_be .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_fafg );_gbdb [_fafg ]++;};};_be .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_cbad .ObjectNumber ,_cgfgf );
};_feggc ++;};_be .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");_be .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");
_be .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_affe );_be .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_cfec );for _bcbg ,_acddd :=range _gbdb {_be .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_bcbg ,_acddd );
};_be .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_dcba ._abff .ObjectMap )< 1{_be .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 ,_gga .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");};_ggae ,_ebbbb :=_gbdb ["\u0046\u006f\u006e\u0074"];
if !_ebbbb ||_ggae < 2{_be .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 {_be .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 _gbdb ,nil ;};

// 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 _ad .ReadSeeker )(*PdfParser ,error ){_fgfa :=&PdfParser {_abbg :rs ,ObjCache :make (objectCache ),_gcbad :map[int64 ]bool {},_ecdd :make ([]int64 ,0),_gadab :make (map[*PdfParser ]*PdfParser )};_bgef ,_gcge ,_afcae :=_fgfa .parsePdfVersion ();
if _afcae !=nil {_be .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",_afcae );return nil ,_afcae ;};_fgfa ._cdgf .Major =_bgef ;_fgfa ._cdgf .Minor =_gcge ;
if _fgfa ._agbc ,_afcae =_fgfa .loadXrefs ();_afcae !=nil {_be .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",_afcae );return nil ,_afcae ;
};_be .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_fgfa ._agbc );_bdcbe ,_afcae :=_fgfa .parseLinearizedDictionary ();if _afcae !=nil {return nil ,_afcae ;};if _bdcbe !=nil {_fgfa ._fabg ,_afcae =_fgfa .checkLinearizedInformation (_bdcbe );
if _afcae !=nil {return nil ,_afcae ;};};if len (_fgfa ._abff .ObjectMap )==0{return nil ,_gga .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");
};_fgfa ._bgda =len (_fgfa ._ecdd );if _fgfa ._fabg &&_fgfa ._bgda !=0{_fgfa ._bgda --;};_fgfa ._cfef =make ([]*PdfParser ,_fgfa ._bgda );return _fgfa ,nil ;};func _gagdc (_accc *PdfObjectStream ,_eab *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_gedd :=NewCCITTFaxEncoder ();
_bafb :=_accc .PdfObjectDictionary ;if _bafb ==nil {return _gedd ,nil ;};if _eab ==nil {_gggc :=TraceToDirectObject (_bafb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _gggc !=nil {switch _aab :=_gggc .(type ){case *PdfObjectDictionary :_eab =_aab ;
case *PdfObjectArray :if _aab .Len ()==1{if _dgge ,_afdb :=GetDict (_aab .Get (0));_afdb {_eab =_dgge ;};};default:_be .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",_gggc );
return nil ,_d .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _eab ==nil {_be .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",_gggc );
return nil ,_d .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _efda ,_afcc :=GetNumberAsInt64 (_eab .Get ("\u004b"));_afcc ==nil {_gedd .K =int (_efda );};if _adef ,_eag :=GetNumberAsInt64 (_eab .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_eag ==nil {_gedd .Columns =int (_adef );}else {_gedd .Columns =1728;};if _gebf ,_bbbfd :=GetNumberAsInt64 (_eab .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_bbbfd ==nil {_gedd .BlackIs1 =_gebf > 0;}else {if _abbb ,_bbdg :=GetBoolVal (_eab .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_bbdg {_gedd .BlackIs1 =_abbb ;}else {if _fbfg ,_bdec :=GetArray (_eab .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_bdec {_dggd ,_eaee :=_fbfg .ToIntegerArray ();if _eaee ==nil {_gedd .BlackIs1 =_dggd [0]==1&&_dggd [1]==0;};};};};if _dgfg ,_agaa :=GetNumberAsInt64 (_eab .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_agaa ==nil {_gedd .EncodedByteAlign =_dgfg > 0;}else {if _gead ,_gacfe :=GetBoolVal (_eab .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_gacfe {_gedd .EncodedByteAlign =_gead ;};};if _gffgb ,_cdcf :=GetNumberAsInt64 (_eab .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_cdcf ==nil {_gedd .EndOfLine =_gffgb > 0;}else {if _bbde ,_dbfb :=GetBoolVal (_eab .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_dbfb {_gedd .EndOfLine =_bbde ;};};if _gfee ,_fbabf :=GetNumberAsInt64 (_eab .Get ("\u0052\u006f\u0077\u0073"));
_fbabf ==nil {_gedd .Rows =int (_gfee );};_gedd .EndOfBlock =true ;if _ddbfe ,_ffbd :=GetNumberAsInt64 (_eab .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_ffbd ==nil {_gedd .EndOfBlock =_ddbfe > 0;}else {if _gdbc ,_cfea :=GetBoolVal (_eab .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_cfea {_gedd .EndOfBlock =_gdbc ;};};if _aecd ,_cebg :=GetNumberAsInt64 (_eab .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_cebg !=nil {_gedd .DamagedRowsBeforeError =int (_aecd );
};_be .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_eab .String ());return _gedd ,nil ;};func (_cead *limitedReadSeeker )getError (_becf int64 )error {switch {case _becf < 0:return _gga .Errorf ("\u0075\u006e\u0065\u0078\u0070\u0065\u0063\u0074\u0065\u0064 \u006e\u0065\u0067\u0061\u0074\u0069\u0076e\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u003a\u0020\u0025\u0064",_becf );
case _becf > _cead ._cbeg :return _gga .Errorf ("u\u006e\u0065\u0078\u0070ec\u0074e\u0064\u0020\u006f\u0066\u0066s\u0065\u0074\u003a\u0020\u0025\u0064",_becf );};return 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 (_eggf *PdfObjectDictionary )SetIfNotNil (key PdfObjectName ,val PdfObject ){if val !=nil {switch _bbbec :=val .(type ){case *PdfObjectName :if _bbbec !=nil {_eggf .Set (key ,val );};case *PdfObjectDictionary :if _bbbec !=nil {_eggf .Set (key ,val );
};case *PdfObjectStream :if _bbbec !=nil {_eggf .Set (key ,val );};case *PdfObjectString :if _bbbec !=nil {_eggf .Set (key ,val );};case *PdfObjectNull :if _bbbec !=nil {_eggf .Set (key ,val );};case *PdfObjectInteger :if _bbbec !=nil {_eggf .Set (key ,val );
};case *PdfObjectArray :if _bbbec !=nil {_eggf .Set (key ,val );};case *PdfObjectBool :if _bbbec !=nil {_eggf .Set (key ,val );};case *PdfObjectFloat :if _bbbec !=nil {_eggf .Set (key ,val );};case *PdfObjectReference :if _bbbec !=nil {_eggf .Set (key ,val );
};case *PdfIndirectObject :if _bbbec !=nil {_eggf .Set (key ,val );};default:_be .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 );
};};};

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

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_eff *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_aabg :=MakeDict ();_aabg .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_eff .GetFilterArray ());for _ ,_gfaea :=range _eff ._edeg {_dadf :=_gfaea .MakeStreamDict ();for _ ,_gdea :=range _dadf .Keys (){_bbeb :=_dadf .Get (_gdea );
if _gdea !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_gdea !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_aabg .Set (_gdea ,_bbeb );};};};_caef :=_eff .MakeDecodeParams ();if _caef !=nil {_aabg .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_caef );
};return _aabg ;};const JB2ImageAutoThreshold =-1.0;

// Clear resets the dictionary to an empty state.
func (_ggec *PdfObjectDictionary )Clear (){_ggec ._efcg =[]PdfObjectName {};_ggec ._agadc =map[PdfObjectName ]PdfObject {};_ggec ._bfdc =&_g .Mutex {};};

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

// IsOctalDigit checks if a character can be part of an octal digit string.
func IsOctalDigit (c byte )bool {return '0'<=c &&c <='7'};func _acfea (_eagd int )int {if _eagd < 0{return -_eagd ;};return _eagd ;};func (_fffbg *JBIG2Image )toBitmap ()(_aagda *_ca .Bitmap ,_defed error ){const _dfaf ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";
if _fffbg .Data ==nil {return nil ,_ab .Error (_dfaf ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");};if _fffbg .Width ==0||_fffbg .Height ==0{return nil ,_ab .Error (_dfaf ,"\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 _fffbg .HasPadding {_aagda ,_defed =_ca .NewWithData (_fffbg .Width ,_fffbg .Height ,_fffbg .Data );}else {_aagda ,_defed =_ca .NewWithUnpaddedData (_fffbg .Width ,_fffbg .Height ,_fffbg .Data );};if _defed !=nil {return nil ,_ab .Wrap (_defed ,_dfaf ,"");
};return _aagda ,nil ;};type objectCache map[int ]PdfObject ;func _cega ()string {return _be .Version };

// Inspect analyzes the document object structure. Returns a map of object types (by name) with the instance count
// as value.
func (_cggb *PdfParser )Inspect ()(map[string ]int ,error ){return _cggb .inspect ()};func (_ceadc *PdfObjectFloat )String ()string {return _gga .Sprintf ("\u0025\u0066",*_ceadc )};

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

// 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 (_agfa *PdfParser )Decrypt (password []byte )(bool ,error ){if _agfa ._ddcf ==nil {return false ,_d .New ("\u0063\u0068\u0065\u0063k \u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0069\u006f\u006e\u0020\u0066\u0069\u0072s\u0074");};_bege ,_fceb :=_agfa ._ddcf .authenticate (password );
if _fceb !=nil {return false ,_fceb ;};if !_bege {_bege ,_fceb =_agfa ._ddcf .authenticate ([]byte (""));};return _bege ,_fceb ;};func (_cccg *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_ad .SeekStart {offset +=_cccg ._dadb ;
};_ccfa ,_dcea :=_cccg ._gagcg .Seek (offset ,whence );if _dcea !=nil {return _ccfa ,_dcea ;};if whence ==_ad .SeekCurrent {_ccfa -=_cccg ._dadb ;};if _ccfa < 0{return 0,_d .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 _ccfa ,nil ;};

// HasNonConformantStream implements core.ParserMetadata.
func (_cfcd ParserMetadata )HasNonConformantStream ()bool {return _cfcd ._fabd };func (_dcga *PdfParser )parseBool ()(PdfObjectBool ,error ){_egea ,_ecffb :=_dcga ._affg .Peek (4);if _ecffb !=nil {return PdfObjectBool (false ),_ecffb ;};if (len (_egea )>=4)&&(string (_egea [:4])=="\u0074\u0072\u0075\u0065"){_dcga ._affg .Discard (4);
return PdfObjectBool (true ),nil ;};_egea ,_ecffb =_dcga ._affg .Peek (5);if _ecffb !=nil {return PdfObjectBool (false ),_ecffb ;};if (len (_egea )>=5)&&(string (_egea [:5])=="\u0066\u0061\u006cs\u0065"){_dcga ._affg .Discard (5);return PdfObjectBool (false ),nil ;
};return PdfObjectBool (false ),_d .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");};func (_efagb *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_efagb ._affg )};


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

// 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 )(_dadg *PdfObjectBool ,_cdfe bool ){_dadg ,_cdfe =TraceToDirectObject (obj ).(*PdfObjectBool );return _dadg ,_cdfe ;};

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

// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_ge .Model ;Bounds ()_dea .Rectangle ;At (_fdba ,_dac int )_ge .Color ;Set (_fcgc ,_bbe int ,_caeg _ge .Color );};func (_aedc *PdfParser )parseName ()(PdfObjectName ,error ){var _eadg _c .Buffer ;_dfae :=false ;
for {_fbgad ,_fbfga :=_aedc ._affg .Peek (1);if _fbfga ==_ad .EOF {break ;};if _fbfga !=nil {return PdfObjectName (_eadg .String ()),_fbfga ;};if !_dfae {if _fbgad [0]=='/'{_dfae =true ;_aedc ._affg .ReadByte ();}else if _fbgad [0]=='%'{_aedc .readComment ();
_aedc .skipSpaces ();}else {_be .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",_fbgad ,_fbgad );return PdfObjectName (_eadg .String ()),_gga .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_fbgad [0]);
};}else {if IsWhiteSpace (_fbgad [0]){break ;}else if (_fbgad [0]=='/')||(_fbgad [0]=='[')||(_fbgad [0]=='(')||(_fbgad [0]==']')||(_fbgad [0]=='<')||(_fbgad [0]=='>'){break ;}else if _fbgad [0]=='#'{_bccb ,_gafc :=_aedc ._affg .Peek (3);if _gafc !=nil {return PdfObjectName (_eadg .String ()),_gafc ;
};_efcb ,_gafc :=_ag .DecodeString (string (_bccb [1:3]));if _gafc !=nil {_be .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");
_eadg .WriteByte ('#');_aedc ._affg .Discard (1);continue ;};_aedc ._affg .Discard (3);_eadg .Write (_efcb );}else {_fbfd ,_ :=_aedc ._affg .ReadByte ();_eadg .WriteByte (_fbfd );};};};return PdfObjectName (_eadg .String ()),nil ;};func (_cfagf *PdfParser )parseXrefStream (_gcff *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _gcff !=nil {_be .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",_gcff );
_cfagf ._abbg .Seek (int64 (*_gcff ),_ad .SeekStart );_cfagf ._affg =_ec .NewReader (_cfagf ._abbg );};_ddga :=_cfagf .GetFileOffset ();_aeab ,_efdg :=_cfagf .ParseIndirectObject ();if _efdg !=nil {_be .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 ,_d .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");};_be .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_aeab );
_gbab ,_aaeae :=_aeab .(*PdfObjectStream );if !_aaeae {_be .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 ,_d .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");};_abcg :=_gbab .PdfObjectDictionary ;
_ffga ,_aaeae :=_gbab .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_aaeae {_be .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 ,_d .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 (*_ffga )> 8388607{_be .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",*_ffga );
return nil ,_d .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_fbgbe :=_gbab .PdfObjectDictionary .Get ("\u0057");_caba ,_aaeae :=_fbgbe .(*PdfObjectArray );if !_aaeae {return nil ,_d .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_gbae :=_caba .Len ();if _gbae !=3{_be .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",_gbae );
return nil ,_d .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 _gceb []int64 ;for _agec :=0;_agec < 3;
_agec ++{_baebb ,_afgbe :=GetInt (_caba .Get (_agec ));if !_afgbe {return nil ,_d .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_gceb =append (_gceb ,int64 (*_baebb ));};_abee ,_efdg :=DecodeStream (_gbab );
if _efdg !=nil {_be .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",_efdg );return nil ,_efdg ;};_begc :=int (_gceb [0]);
_dggf :=int (_gceb [0]+_gceb [1]);_cceda :=int (_gceb [0]+_gceb [1]+_gceb [2]);_gdegc :=int (_gceb [0]+_gceb [1]+_gceb [2]);if _begc < 0||_dggf < 0||_cceda < 0{_be .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",_begc ,_dggf ,_cceda );
return nil ,_d .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _gdegc ==0{_be .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 _abcg ,nil ;};_bab :=len (_abee )/_gdegc ;_bbgeb :=0;_acfbb :=_gbab .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _baa []int ;if _acfbb !=nil {_be .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_acfbb );_begfe ,_gfada :=_acfbb .(*PdfObjectArray );
if !_gfada {_be .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 ,_d .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _begfe .Len ()%2!=0{_be .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 ,_d .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_bbgeb =0;_edge ,_ccaa :=_begfe .ToIntegerArray ();if _ccaa !=nil {_be .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",_ccaa );
return nil ,_ccaa ;};for _dagf :=0;_dagf < len (_edge );_dagf +=2{_beac :=_edge [_dagf ];_gacc :=_edge [_dagf +1];for _egae :=0;_egae < _gacc ;_egae ++{_baa =append (_baa ,_beac +_egae );};_bbgeb +=_gacc ;};}else {for _gggfg :=0;_gggfg < int (*_ffga );
_gggfg ++{_baa =append (_baa ,_gggfg );};_bbgeb =int (*_ffga );};if _bab ==_bbgeb +1{_be .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");
_afee :=_bbgeb -1;for _ ,_bdfgf :=range _baa {if _bdfgf > _afee {_afee =_bdfgf ;};};_baa =append (_baa ,_afee +1);_bbgeb ++;};if _bab !=len (_baa ){_be .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",_bab ,len (_baa ));
return nil ,_d .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");};_be .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_bbgeb );
_be .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_baa );_bafab :=func (_bbcf []byte )int64 {var _bagf int64 ;for _afdf :=0;_afdf < len (_bbcf );_afdf ++{_bagf +=int64 (_bbcf [_afdf ])*(1<<uint (8*(len (_bbcf )-_afdf -1)));
};return _bagf ;};_be .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_abee ));_cgbe :=0;for _abgfa :=0;_abgfa < len (_abee );_abgfa +=_gdegc {_ecb :=_bcceb (len (_abee ),_abgfa ,_abgfa +_begc );
if _ecb !=nil {_be .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_ecb );return nil ,_ecb ;};_bacbb :=_abee [_abgfa :_abgfa +_begc ];_ecb =_bcceb (len (_abee ),_abgfa +_begc ,_abgfa +_dggf );
if _ecb !=nil {_be .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_ecb );return nil ,_ecb ;};_agee :=_abee [_abgfa +_begc :_abgfa +_dggf ];_ecb =_bcceb (len (_abee ),_abgfa +_dggf ,_abgfa +_cceda );
if _ecb !=nil {_be .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_ecb );return nil ,_ecb ;};_cdcg :=_abee [_abgfa +_dggf :_abgfa +_cceda ];_agcbc :=_bafab (_bacbb );
_ccfg :=_bafab (_agee );_gfefg :=_bafab (_cdcg );if _gceb [0]==0{_agcbc =1;};if _cgbe >=len (_baa ){_be .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 ;};_bgbec :=_baa [_cgbe ];_cgbe ++;_be .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_bgbec ,_bacbb );_be .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_bgbec ,_agee );_be .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_bgbec ,_cdcg );
_be .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_bgbec ,_agcbc ,_ccfg ,_gfefg );if _agcbc ==0{_be .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 _agcbc ==1{_be .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",_agee );if _ccfg ==_ddga {_be .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",_bgbec ,_gbab .ObjectNumber );
_bgbec =int (_gbab .ObjectNumber );};if _dgee ,_edac :=_cfagf ._abff .ObjectMap [_bgbec ];!_edac ||int (_gfefg )> _dgee .Generation {_egeb :=XrefObject {ObjectNumber :_bgbec ,XType :XrefTypeTableEntry ,Offset :_ccfg ,Generation :int (_gfefg )};_cfagf ._abff .ObjectMap [_bgbec ]=_egeb ;
};}else if _agcbc ==2{_be .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 _ ,_eaaf :=_cfagf ._abff .ObjectMap [_bgbec ];!_eaaf {_ccab :=XrefObject {ObjectNumber :_bgbec ,XType :XrefTypeObjectStream ,OsObjNumber :int (_ccfg ),OsObjIndex :int (_gfefg )};
_cfagf ._abff .ObjectMap [_bgbec ]=_ccab ;_be .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_ccab );};}else {_be .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 _cfagf ._bgdef ==nil {_cgaa :=XrefTypeObjectStream ;_cfagf ._bgdef =&_cgaa ;};return _abcg ,nil ;};

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

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

// HasInvalidSubsectionHeader implements core.ParserMetadata interface.
func (_ffcg ParserMetadata )HasInvalidSubsectionHeader ()bool {return _ffcg ._ace };

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

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

// EncodeBytes encodes data into ASCII85 encoded format.
func (_bbcb *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _ebeb _c .Buffer ;for _cddaf :=0;_cddaf < len (data );_cddaf +=4{_bdd :=data [_cddaf ];_bgbf :=1;_ccdc :=byte (0);if _cddaf +1< len (data ){_ccdc =data [_cddaf +1];_bgbf ++;};_eebd :=byte (0);
if _cddaf +2< len (data ){_eebd =data [_cddaf +2];_bgbf ++;};_ecdb :=byte (0);if _cddaf +3< len (data ){_ecdb =data [_cddaf +3];_bgbf ++;};_gfab :=(uint32 (_bdd )<<24)|(uint32 (_ccdc )<<16)|(uint32 (_eebd )<<8)|uint32 (_ecdb );if _gfab ==0{_ebeb .WriteByte ('z');
}else {_fffd :=_bbcb .base256Tobase85 (_gfab );for _ ,_ddfc :=range _fffd [:_bgbf +1]{_ebeb .WriteByte (_ddfc +'!');};};};_ebeb .WriteString ("\u007e\u003e");return _ebeb .Bytes (),nil ;};

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

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

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

// LookupByReference looks up a PdfObject by a reference.
func (_afg *PdfParser )LookupByReference (ref PdfObjectReference )(PdfObject ,error ){_be .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 _afg .LookupByNumber (int (ref .ObjectNumber ));
};func _cegc (_bgcb *PdfObjectStream ,_bfaa *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;};

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

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

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

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

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

// Read implementation of Read interface.
func (_eac *limitedReadSeeker )Read (p []byte )(_agbbf int ,_fbbd error ){_eadd ,_fbbd :=_eac ._gdbce .Seek (0,_ad .SeekCurrent );if _fbbd !=nil {return 0,_fbbd ;};_efgd :=_eac ._cbeg -_eadd ;if _efgd ==0{return 0,_ad .EOF ;};if _becg :=int64 (len (p ));
_becg < _efgd {_efgd =_becg ;};_efgdb :=make ([]byte ,_efgd );_agbbf ,_fbbd =_eac ._gdbce .Read (_efgdb );copy (p ,_efgdb );return _agbbf ,_fbbd ;};var (ErrUnsupportedEncodingParameters =_d .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 =_d .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 =_d .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 =_d .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 =_d .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_d .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_d .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_bg .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 =_d .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);

// 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 (_gcbe *MultiEncoder )GetFilterName ()string {_gddb :="";for _aaf ,_bffd :=range _gcbe ._edeg {_gddb +=_bffd .GetFilterName ();if _aaf < len (_gcbe ._edeg )-1{_gddb +="\u0020";};};return _gddb ;};func (_bddac *PdfParser )repairLocateXref ()(int64 ,error ){_fedcg :=int64 (1000);
_bddac ._abbg .Seek (-_fedcg ,_ad .SeekCurrent );_cedg ,_cdbd :=_bddac ._abbg .Seek (0,_ad .SeekCurrent );if _cdbd !=nil {return 0,_cdbd ;};_adacf :=make ([]byte ,_fedcg );_bddac ._abbg .Read (_adacf );_ecab :=_adcbe .FindAllStringIndex (string (_adacf ),-1);
if len (_ecab )< 1{_be .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,_d .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");
};_febd :=int64 (_ecab [len (_ecab )-1][0]);_gdfgc :=_cedg +_febd ;return _gdfgc ,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 (_fbfgc *PdfObjectArray )ToIntegerArray ()([]int ,error ){var _ded []int ;for _ ,_gcgd :=range _fbfgc .Elements (){if _ffec ,_cdgcg :=_gcgd .(*PdfObjectInteger );_cdgcg {_ded =append (_ded ,int (*_ffec ));}else {return nil ,ErrTypeError ;};};return _ded ,nil ;
};

// GetXrefTable returns the PDFs xref table.
func (_abba *PdfParser )GetXrefTable ()XrefTable {return _abba ._abff };func (_ceb *PdfCrypt )checkAccessRights (_bfab []byte )(bool ,_db .Permissions ,error ){_cccb :=_ceb .securityHandler ();_bage ,_ecf ,_fbd :=_cccb .Authenticate (&_ceb ._dce ,_bfab );
if _fbd !=nil {return false ,0,_fbd ;}else if _ecf ==0||len (_bage )==0{return false ,0,nil ;};return true ,_ecf ,nil ;};

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

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

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_fagab *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_fagab ._bfdc .Lock ();defer _fagab ._bfdc .Unlock ();_adcbc ,_cbea :=_fagab ._agadc [key ];if !_cbea {return nil ;};return _adcbc ;};

// String returns a string describing `d`.
func (_aegea *PdfObjectDictionary )String ()string {var _eaed _dd .Builder ;_eaed .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_bacc :=range _aegea ._efcg {_efea :=_aegea ._agadc [_bacc ];_eaed .WriteString ("\u0022"+_bacc .String ()+"\u0022\u003a\u0020");
_eaed .WriteString (_efea .String ());_eaed .WriteString ("\u002c\u0020");};_eaed .WriteString ("\u0029");return _eaed .String ();};

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

// HasInvalidSeparationAfterXRef implements core.ParserMetadata interface.
func (_bbg ParserMetadata )HasInvalidSeparationAfterXRef ()bool {return _bbg ._ggc };

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

// 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 _cbff :=obj .(type ){case *PdfObjectFloat :return float64 (*_cbff ),nil ;case *PdfObjectInteger :return float64 (*_cbff ),nil ;};return 0,ErrNotANumber ;};func (_gddc *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_adgf :=_gddc ._affg .Discard (4);
return PdfObjectNull {},_adgf ;};

// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_abf encryptDict ;_dce _db .StdEncryptDict ;_fdfg string ;_aa []byte ;_fee map[PdfObject ]bool ;_aeg map[PdfObject ]bool ;_egab bool ;_aga cryptFilters ;_gef string ;_gfa string ;_deg *PdfParser ;_fafe map[int ]struct{};};

// IsNullObject returns true if `obj` is a PdfObjectNull.
func IsNullObject (obj PdfObject )bool {_ ,_cbac :=TraceToDirectObject (obj ).(*PdfObjectNull );return _cbac ;};var _efed =_d .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");

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

// 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 )(_dbdgb *PdfObjectString ,_dccd bool ){_dbdgb ,_dccd =TraceToDirectObject (obj ).(*PdfObjectString );return _dbdgb ,_dccd ;};

// Len returns the number of elements in the streams.
func (_gcbgb *PdfObjectStreams )Len ()int {if _gcbgb ==nil {return 0;};return len (_gcbgb ._addb );};func _ebae (_fggag PdfObject )(*float64 ,error ){switch _fbdfe :=_fggag .(type ){case *PdfObjectFloat :_bead :=float64 (*_fbdfe );return &_bead ,nil ;case *PdfObjectInteger :_bdgb :=float64 (*_fbdfe );
return &_bdgb ,nil ;case *PdfObjectNull :return nil ,nil ;};return nil ,ErrNotANumber ;};

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

// ParserMetadata gets the pdf parser metadata.
func (_fdfb *PdfParser )ParserMetadata ()(ParserMetadata ,error ){if !_fdfb ._begf {return ParserMetadata {},_gga .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 _fdfb ._agaad ,nil ;};func (_acba *PdfParser )parseArray ()(*PdfObjectArray ,error ){_bebfa :=MakeArray ();_acba ._affg .ReadByte ();for {_acba .skipSpaces ();_gddbc ,_fece :=_acba ._affg .Peek (1);if _fece !=nil {return _bebfa ,_fece ;};if _gddbc [0]==']'{_acba ._affg .ReadByte ();
break ;};_dcfc ,_fece :=_acba .parseObject ();if _fece !=nil {return _bebfa ,_fece ;};_bebfa .Append (_dcfc );};return _bebfa ,nil ;};

// FlattenObject returns the contents of `obj`. In other words, `obj` with indirect objects replaced
// by their values.
// The replacements are made recursively to a depth of traceMaxDepth.
// NOTE: Dicts are sorted to make objects with same contents have the same PDF object strings.
func FlattenObject (obj PdfObject )PdfObject {return _aedbd (obj ,0)};

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

// Len returns the number of elements in the array.
func (_abde *PdfObjectArray )Len ()int {if _abde ==nil {return 0;};return len (_abde ._ccg );};func (_ggaf *PdfCrypt )isDecrypted (_fga PdfObject )bool {_ ,_affb :=_ggaf ._fee [_fga ];if _affb {_be .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};switch _bfg :=_fga .(type ){case *PdfObjectStream :if _ggaf ._dce .R !=5{if _fdac ,_acg :=_bfg .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_acg &&*_fdac =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_affb =_ggaf ._fafe [int (_bfg .ObjectNumber )];
_affb {return true ;};switch _ada :=_bfg .PdfObject .(type ){case *PdfObjectDictionary :_fea :=true ;for _ ,_gagd :=range _cebe {if _ada .Get (_gagd )==nil {_fea =false ;break ;};};if _fea {return true ;};};};_be .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};

// 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 (_bfed *PdfObjectArray )ToFloat64Array ()([]float64 ,error ){var _aeccd []float64 ;for _ ,_egcfe :=range _bfed .Elements (){switch _gebb :=_egcfe .(type ){case *PdfObjectInteger :_aeccd =append (_aeccd ,float64 (*_gebb ));case *PdfObjectFloat :_aeccd =append (_aeccd ,float64 (*_gebb ));
default:return nil ,ErrTypeError ;};};return _aeccd ,nil ;};const (JB2Generic JBIG2CompressionType =iota ;JB2SymbolCorrelation ;JB2SymbolRankHaus ;);

// RawEncoder implements Raw encoder/decoder (no encoding, pass through)
type RawEncoder struct{};func _cfb (_bcde *PdfObjectStream ,_egce *PdfObjectDictionary )(*LZWEncoder ,error ){_ffcce :=NewLZWEncoder ();_gdbd :=_bcde .PdfObjectDictionary ;if _gdbd ==nil {return _ffcce ,nil ;};if _egce ==nil {_fdgb :=TraceToDirectObject (_gdbd .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));
if _fdgb !=nil {if _abgb ,_ecd :=_fdgb .(*PdfObjectDictionary );_ecd {_egce =_abgb ;}else if _bgae ,_gad :=_fdgb .(*PdfObjectArray );_gad {if _bgae .Len ()==1{if _bde ,_aaa :=GetDict (_bgae .Get (0));_aaa {_egce =_bde ;};};};if _egce ==nil {_be .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",_fdgb );
return nil ,_gga .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_adag :=_gdbd .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _adag !=nil {_fdde ,_eced :=_adag .(*PdfObjectInteger );
if !_eced {_be .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",_adag );
return nil ,_gga .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_fdde !=0&&*_fdde !=1{return nil ,_gga .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");
};_ffcce .EarlyChange =int (*_fdde );}else {_ffcce .EarlyChange =1;};if _egce ==nil {return _ffcce ,nil ;};if _cfg ,_defe :=GetIntVal (_egce .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_defe {if _cfg ==0||_cfg ==1{_ffcce .EarlyChange =_cfg ;
}else {_be .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",_cfg );};};_adag =_egce .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _adag !=nil {_fagc ,_edag :=_adag .(*PdfObjectInteger );if !_edag {_be .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",_adag );
return nil ,_gga .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_ffcce .Predictor =int (*_fagc );};_adag =_egce .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _adag !=nil {_bbbf ,_cba :=_adag .(*PdfObjectInteger );if !_cba {_be .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 ,_gga .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_ffcce .BitsPerComponent =int (*_bbbf );};if _ffcce .Predictor > 1{_ffcce .Columns =1;
_adag =_egce .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");if _adag !=nil {_acef ,_afge :=_adag .(*PdfObjectInteger );if !_afge {return nil ,_gga .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");
};_ffcce .Columns =int (*_acef );};_ffcce .Colors =1;_adag =_egce .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _adag !=nil {_edfg ,_aagd :=_adag .(*PdfObjectInteger );if !_aagd {return nil ,_gga .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");
};_ffcce .Colors =int (*_edfg );};};_be .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_egce .String ());return _ffcce ,nil ;};

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

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

// GetFilterName returns the name of the encoding filter.
func (_befd *ASCIIHexEncoder )GetFilterName ()string {return StreamEncodingFilterNameASCIIHex };var _gebd =_eb .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");


// 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 (_eagc *PdfParser )IsEncrypted ()(bool ,error ){if _eagc ._ddcf !=nil {return true ,nil ;}else if _eagc ._agbc ==nil {return false ,nil ;};_be .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");
_cbgba :=_eagc ._agbc .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _cbgba ==nil {return false ,nil ;};_be .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_bada *PdfObjectDictionary ;);switch _edcb :=_cbgba .(type ){case *PdfObjectDictionary :_bada =_edcb ;
case *PdfObjectReference :_be .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_edcb );_dfbb ,_bcff :=_eagc .LookupByReference (*_edcb );_be .Log .Trace ("\u0031\u003a\u0020%\u0071",_dfbb );
if _bcff !=nil {return false ,_bcff ;};_gbegd ,_aaeff :=_dfbb .(*PdfIndirectObject );if !_aaeff {_be .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 ,_d .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_cfga ,_aaeff :=_gbegd .PdfObject .(*PdfObjectDictionary );_eagc ._adcb =_gbegd ;_be .Log .Trace ("\u0032\u003a\u0020%\u0071",_cfga );if !_aaeff {return false ,_d .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");
};_bada =_cfga ;case *PdfObjectNull :_be .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 ,_gga .Errorf ("u\u006es\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0074\u0079\u0070\u0065: \u0025\u0054",_edcb );};_abggd ,_fddbc :=PdfCryptNewDecrypt (_eagc ,_bada ,_eagc ._agbc );if _fddbc !=nil {return false ,_fddbc ;
};for _ ,_ebaf :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_bbbfe :=_eagc ._agbc .Get (PdfObjectName (_ebaf ));if _bbbfe ==nil {continue ;};switch _gdegb :=_bbbfe .(type ){case *PdfObjectReference :_abggd ._fafe [int (_gdegb .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_abggd ._fee [_gdegb ]=true ;_abggd ._fafe [int (_gdegb .ObjectNumber )]=struct{}{};};};_eagc ._ddcf =_abggd ;_be .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_abggd );
return true ,nil ;};

// 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 )(_adca *PdfObjectInteger ,_acfab bool ){_adca ,_acfab =TraceToDirectObject (obj ).(*PdfObjectInteger );return _adca ,_acfab ;};

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

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

// ASCII85Encoder implements ASCII85 encoder/decoder.
type ASCII85Encoder struct{};func (_fgdc *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_fgdc ._abbg .Seek (0,_ad .SeekStart );_fgdc ._affg =_ec .NewReader (_fgdc ._abbg );_egacf :=20;_fdacd :=make ([]byte ,_egacf );for {_geba ,_debg :=_fgdc ._affg .ReadByte ();
if _debg !=nil {if _debg ==_ad .EOF {break ;}else {return 0,0,_debg ;};};if IsDecimalDigit (_geba )&&_fdacd [_egacf -1]=='.'&&IsDecimalDigit (_fdacd [_egacf -2])&&_fdacd [_egacf -3]=='-'&&_fdacd [_egacf -4]=='F'&&_fdacd [_egacf -5]=='D'&&_fdacd [_egacf -6]=='P'{_bfaf :=int (_fdacd [_egacf -2]-'0');
_feacg :=int (_geba -'0');return _bfaf ,_feacg ,nil ;};_fdacd =append (_fdacd [1:_egacf ],_geba );};return 0,0,_d .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};

// 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 (_fceg *PdfObjectString )Str ()string {return _fceg ._bgac };

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

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_bdf *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _bdf .Predictor !=1&&_bdf .Predictor !=11{_be .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 _bdf .Predictor ==11{_gcg :=_bdf .Columns ;_bcfee :=len (data )/_gcg ;if len (data )%_gcg !=0{_be .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_d .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_cedd :=_c .NewBuffer (nil );_eda :=make ([]byte ,_gcg );for _ccde :=0;_ccde < _bcfee ;_ccde ++{_eceb :=data [_gcg *_ccde :_gcg *(_ccde +1)];
_eda [0]=_eceb [0];for _gfg :=1;_gfg < _gcg ;_gfg ++{_eda [_gfg ]=byte (int (_eceb [_gfg ]-_eceb [_gfg -1])%256);};_cedd .WriteByte (1);_cedd .Write (_eda );};data =_cedd .Bytes ();};var _cgef _c .Buffer ;_fagf :=_ba .NewWriter (&_cgef );_fagf .Write (data );
_fagf .Close ();return _cgef .Bytes (),nil ;};

// MakeNull creates an PdfObjectNull.
func MakeNull ()*PdfObjectNull {_aacfe :=PdfObjectNull {};return &_aacfe };type objectStreams map[int ]objectStream ;

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

// DecodeBytes returns the passed in slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_fcdf *RawEncoder )DecodeBytes (encoded []byte )([]byte ,error ){return encoded ,nil };const _bec ="\u0053\u0074\u0064C\u0046";

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

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

// 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 _ecdf ,_gcbg :=obj .(*PdfObjectReference );_gcbg {obj =_ecdf .Resolve ();};_gdfac ,_gdad :=obj .(*PdfIndirectObject );_afcb :=0;for _gdad {obj =_gdfac .PdfObject ;_gdfac ,_gdad =GetIndirect (obj );
_afcb ++;if _afcb > _deadb {_be .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",_deadb );
return nil ;};};return obj ;};

// EncodeImage encodes 'img' golang image.Image into jbig2 encoded bytes document using default encoder settings.
func (_gfgb *JBIG2Encoder )EncodeImage (img _dea .Image )([]byte ,error ){return _gfgb .encodeImage (img )};func (_fcc *PdfParser )checkPostEOFData ()error {const _bdg ="\u0025\u0025\u0045O\u0046";_ ,_efgf :=_fcc ._abbg .Seek (-int64 (len ([]byte (_bdg )))-1,_ad .SeekEnd );
if _efgf !=nil {return _efgf ;};_bgg :=make ([]byte ,len ([]byte (_bdg ))+1);_ ,_efgf =_fcc ._abbg .Read (_bgg );if _efgf !=nil {if _efgf !=_ad .EOF {return _efgf ;};};if string (_bgg )==_bdg ||string (_bgg )==_bdg +"\u000a"{_fcc ._agaad ._cdc =true ;};
return nil ;};const _deadb =10;

// 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 ){_gbge ,_faec :=obj .(*PdfObjectReference );if _faec {obj =TraceToDirectObject (_gbge );}else if _adedd ,_eacg :=obj .(*PdfIndirectObject );_eacg {obj =_adedd .PdfObject ;};switch _cefc :=obj .(type ){case *PdfObjectFloat :_be .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 (*_cefc ),nil ;case *PdfObjectInteger :return int64 (*_cefc ),nil ;};return 0,ErrNotANumber ;};

// String returns a string describing `array`.
func (_bbda *PdfObjectArray )String ()string {_aaae :="\u005b";for _bfcbb ,_bdgg :=range _bbda .Elements (){_aaae +=_bdgg .String ();if _bfcbb < (_bbda .Len ()-1){_aaae +="\u002c\u0020";};};_aaae +="\u005d";return _aaae ;};var _adcbe =_eb .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");


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

// NewASCII85Encoder makes a new ASCII85 encoder.
func NewASCII85Encoder ()*ASCII85Encoder {_defc :=&ASCII85Encoder {};return _defc };type encryptDict struct{Filter string ;V int ;SubFilter string ;Length int ;StmF string ;StrF string ;EFF string ;CF map[string ]_ebe .FilterDict ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_fbga *CCITTFaxEncoder )MakeStreamDict ()*PdfObjectDictionary {_aggd :=MakeDict ();_aggd .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_fbga .GetFilterName ()));_aggd .SetIfNotNil ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_fbga .MakeDecodeParams ());
return _aggd ;};func (_fadb *offsetReader )Read (p []byte )(_caaf int ,_fdaf error ){return _fadb ._gagcg .Read (p )};

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

// 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 (_cebb *JBIG2Encoder )AddPageImage (img *JBIG2Image ,settings *JBIG2EncoderSettings )(_cdgb error ){const _fbgb ="\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 _cebb ==nil {return _ab .Error (_fbgb ,"J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u0020\u0069\u0073 n\u0069\u006c");};if settings ==nil {settings =&_cebb .DefaultPageSettings ;};if _cebb ._beaaa ==nil {_cebb ._beaaa =_df .InitEncodeDocument (settings .FileMode );
};if _cdgb =settings .Validate ();_cdgb !=nil {return _ab .Wrap (_cdgb ,_fbgb ,"");};_aggdfa ,_cdgb :=img .toBitmap ();if _cdgb !=nil {return _ab .Wrap (_cdgb ,_fbgb ,"");};switch settings .Compression {case JB2Generic :if _cdgb =_cebb ._beaaa .AddGenericPage (_aggdfa ,settings .DuplicatedLinesRemoval );
_cdgb !=nil {return _ab .Wrap (_cdgb ,_fbgb ,"");};case JB2SymbolCorrelation :return _ab .Error (_fbgb ,"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 _ab .Error (_fbgb ,"\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 _ab .Error (_fbgb ,"\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 (_ddbc *JPXEncoder )MakeStreamDict ()*PdfObjectDictionary {return MakeDict ()};

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_bgbd []float64 ,_bfbc error ){for _ ,_ecgeb :=range objects {_fegc ,_faga :=GetNumberAsFloat (_ecgeb );if _faga !=nil {return nil ,_faga ;};_bgbd =append (_bgbd ,_fegc );};return _bgbd ,nil ;};

// MakeEncodedString creates a PdfObjectString with encoded content, which can be either
// UTF-16BE or PDFDocEncoding depending on whether `utf16BE` is true or false respectively.
func MakeEncodedString (s string ,utf16BE bool )*PdfObjectString {if utf16BE {var _cfad _c .Buffer ;_cfad .Write ([]byte {0xFE,0xFF});_cfad .WriteString (_ffa .StringToUTF16 (s ));return &PdfObjectString {_bgac :_cfad .String (),_fgce :true };};return &PdfObjectString {_bgac :string (_ffa .StringToPDFDocEncoding (s )),_fgce :false };
};

// 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 (_gae *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _dafb _ffd .Gray ;switch len (data ){case _gae .Rows *_gae .Columns :_aabf ,_dgbd :=_ffd .NewImage (_gae .Columns ,_gae .Rows ,8,1,data ,nil ,nil );if _dgbd !=nil {return nil ,_dgbd ;
};_dafb =_aabf .(_ffd .Gray );case (_gae .Columns *_gae .Rows )+7>>3:_cabf ,_daeb :=_ffd .NewImage (_gae .Columns ,_gae .Rows ,1,1,data ,nil ,nil );if _daeb !=nil {return nil ,_daeb ;};_becb :=_cabf .(*_ffd .Monochrome );if _daeb =_becb .AddPadding ();
_daeb !=nil {return nil ,_daeb ;};_dafb =_becb ;default:if len (data )< _ffd .BytesPerLine (_gae .Columns ,1,1)*_gae .Rows {return nil ,_d .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_dee ,_fegfa :=_ffd .NewImage (_gae .Columns ,_gae .Rows ,1,1,data ,nil ,nil );if _fegfa !=nil {return nil ,_fegfa ;};_ggdd :=_dee .(*_ffd .Monochrome );_dafb =_ggdd ;};_bbgbg :=make ([][]byte ,_gae .Rows );for _egcf :=0;_egcf < _gae .Rows ;_egcf ++{_edaa :=make ([]byte ,_gae .Columns );
for _afca :=0;_afca < _gae .Columns ;_afca ++{_eeda :=_dafb .GrayAt (_afca ,_egcf );_edaa [_afca ]=_eeda .Y >>7;};_bbgbg [_egcf ]=_edaa ;};_accd :=&_af .Encoder {K :_gae .K ,Columns :_gae .Columns ,EndOfLine :_gae .EndOfLine ,EndOfBlock :_gae .EndOfBlock ,BlackIs1 :_gae .BlackIs1 ,DamagedRowsBeforeError :_gae .DamagedRowsBeforeError ,Rows :_gae .Rows ,EncodedByteAlign :_gae .EncodedByteAlign };
return _accd .Encode (_bbgbg ),nil ;};func (_aegf *PdfCrypt )authenticate (_cdb []byte )(bool ,error ){_aegf ._egab =false ;_bae :=_aegf .securityHandler ();_dab ,_dfa ,_cca :=_bae .Authenticate (&_aegf ._dce ,_cdb );if _cca !=nil {return false ,_cca ;
}else if _dfa ==0||len (_dab )==0{return false ,nil ;};_aegf ._egab =true ;_aegf ._aa =_dab ;return true ,nil ;};func (_geaa *PdfObjectDictionary )setWithLock (_gcac PdfObjectName ,_baebg PdfObject ,_fadd bool ){if _fadd {_geaa ._bfdc .Lock ();defer _geaa ._bfdc .Unlock ();
};_ ,_cfbb :=_geaa ._agadc [_gcac ];if !_cfbb {_geaa ._efcg =append (_geaa ._efcg ,_gcac );};_geaa ._agadc [_gcac ]=_baebg ;};

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

// 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 ;};func (_bgcbb *PdfParser )parseLinearizedDictionary ()(*PdfObjectDictionary ,error ){_fdff ,_cbag :=_bgcbb ._abbg .Seek (0,_ad .SeekEnd );if _cbag !=nil {return nil ,_cbag ;};var _bbgea int64 ;var _cdfd int64 =2048;for _bbgea < _fdff -4{if _fdff <=(_cdfd +_bbgea ){_cdfd =_fdff -_bbgea ;
};_ ,_fcbga :=_bgcbb ._abbg .Seek (_bbgea ,_ad .SeekStart );if _fcbga !=nil {return nil ,_fcbga ;};_aaebg :=make ([]byte ,_cdfd );_ ,_fcbga =_bgcbb ._abbg .Read (_aaebg );if _fcbga !=nil {return nil ,_fcbga ;};_be .Log .Trace ("\u004c\u006f\u006f\u006b\u0069\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0066i\u0072\u0073\u0074\u0020\u0069\u006ed\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u003a \u0022\u0025\u0073\u0022",string (_aaebg ));
_agbdg :=_bagc .FindAllStringIndex (string (_aaebg ),-1);if _agbdg !=nil {_fbdf :=_agbdg [0];_be .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_agbdg );_ ,_eegc :=_bgcbb ._abbg .Seek (int64 (_fbdf [0]),_ad .SeekStart );if _eegc !=nil {return nil ,_eegc ;
};_bgcbb ._affg =_ec .NewReader (_bgcbb ._abbg );_bffac ,_eegc :=_bgcbb .ParseIndirectObject ();if _eegc !=nil {return nil ,nil ;};if _bcaa ,_dceb :=GetIndirect (_bffac );_dceb {if _gbgd ,_badab :=GetDict (_bcaa .PdfObject );_badab {if _afcd :=_gbgd .Get ("\u004c\u0069\u006e\u0065\u0061\u0072\u0069\u007a\u0065\u0064");
_afcd !=nil {return _gbgd ,nil ;};return nil ,nil ;};};return nil ,nil ;};_bbgea +=_cdfd -4;};return nil ,_d .New ("\u0074\u0068\u0065\u0020\u0066\u0069\u0072\u0073\u0074\u0020\u006fb\u006a\u0065\u0063\u0074\u0020\u006e\u006f\u0074\u0020\u0066o\u0075\u006e\u0064");
};

// 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 ;};

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

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

// ParserMetadata is the parser based metadata information about document.
// The data here could be used on document verification.
type ParserMetadata struct{_gcf int ;_fdb bool ;_dff [4]byte ;_cdc bool ;_abac bool ;_fgac bool ;_fabd bool ;_ace bool ;_ggc bool ;};var _bdbb =_eb .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");
func (_dafba *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _dafba ._adeffe {return nil ,_gga .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");};_dafba ._adeffe =true ;_dafba ._abbg .Seek (0,_ad .SeekStart );
_dafba ._affg =_ec .NewReader (_dafba ._abbg );_ceaeb :=20;_cgba :=make ([]byte ,_ceaeb );_gcdg :=XrefTable {};_gcdg .ObjectMap =make (map[int ]XrefObject );for {_addfc ,_bbedc :=_dafba ._affg .ReadByte ();if _bbedc !=nil {if _bbedc ==_ad .EOF {break ;
}else {return nil ,_bbedc ;};};if _addfc =='j'&&_cgba [_ceaeb -1]=='b'&&_cgba [_ceaeb -2]=='o'&&IsWhiteSpace (_cgba [_ceaeb -3]){_egbc :=_ceaeb -4;for IsWhiteSpace (_cgba [_egbc ])&&_egbc > 0{_egbc --;};if _egbc ==0||!IsDecimalDigit (_cgba [_egbc ]){continue ;
};for IsDecimalDigit (_cgba [_egbc ])&&_egbc > 0{_egbc --;};if _egbc ==0||!IsWhiteSpace (_cgba [_egbc ]){continue ;};for IsWhiteSpace (_cgba [_egbc ])&&_egbc > 0{_egbc --;};if _egbc ==0||!IsDecimalDigit (_cgba [_egbc ]){continue ;};for IsDecimalDigit (_cgba [_egbc ])&&_egbc > 0{_egbc --;
};if _egbc ==0{continue ;};_deec :=_dafba .GetFileOffset ()-int64 (_ceaeb -_egbc );_bggb :=append (_cgba [_egbc +1:],_addfc );_ggbcf ,_eaag ,_dgfe :=_ecabf (string (_bggb ));if _dgfe !=nil {_be .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",_dgfe );
return nil ,_dgfe ;};if _cgfca ,_dcgg :=_gcdg .ObjectMap [_ggbcf ];!_dcgg ||_cgfca .Generation < _eaag {_aaffd :=XrefObject {};_aaffd .XType =XrefTypeTableEntry ;_aaffd .ObjectNumber =_ggbcf ;_aaffd .Generation =_eaag ;_aaffd .Offset =_deec ;_gcdg .ObjectMap [_ggbcf ]=_aaffd ;
};};_cgba =append (_cgba [1:_ceaeb ],_addfc );};_dafba ._fgec =nil ;return &_gcdg ,nil ;};

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

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

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

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

// RegisterCustomStreamEncoder register a custom encoder handler for certain filter.
func RegisterCustomStreamEncoder (filterName string ,customStreamEncoder StreamEncoder ){_cegb .Store (filterName ,customStreamEncoder );};func _ffe (_dbcf int )cryptFilters {return cryptFilters {_bec :_ebe .NewFilterV2 (_dbcf )}};

// EncodeBytes encodes the passed in slice of bytes by passing it through the
// EncodeBytes method of the underlying encoders.
func (_cfeg *MultiEncoder )EncodeBytes (data []byte )([]byte ,error ){_eagbb :=data ;var _eccg error ;for _ecfc :=len (_cfeg ._edeg )-1;_ecfc >=0;_ecfc --{_ebea :=_cfeg ._edeg [_ecfc ];_eagbb ,_eccg =_ebea .EncodeBytes (_eagbb );if _eccg !=nil {return nil ,_eccg ;
};};return _eagbb ,nil ;};

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

// NewCCITTFaxEncoder makes a new CCITTFax encoder.
func NewCCITTFaxEncoder ()*CCITTFaxEncoder {return &CCITTFaxEncoder {Columns :1728,EndOfBlock :true }};func (_bcad *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _adbdg *PdfObjectDictionary ;_fdfc ,_aacf :=_bcad .readTextLine ();if _aacf !=nil {return nil ,_aacf ;
};if _bcad ._begf &&_dd .Count (_dd .TrimPrefix (_fdfc ,"\u0078\u0072\u0065\u0066"),"\u0020")> 0{_bcad ._agaad ._ggc =true ;};_be .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_fdfc );
_gfbd :=-1;_dbfd :=0;_abeg :=false ;_badb :="";for {_bcad .skipSpaces ();_ ,_affbc :=_bcad ._affg .Peek (1);if _affbc !=nil {return nil ,_affbc ;};_fdfc ,_affbc =_bcad .readTextLine ();if _affbc !=nil {return nil ,_affbc ;};_ggab :=_cfff .FindStringSubmatch (_fdfc );
if len (_ggab )==0{_edgb :=len (_badb )> 0;_badb +=_fdfc +"\u000a";if _edgb {_ggab =_cfff .FindStringSubmatch (_badb );};};if len (_ggab )==3{if _bcad ._begf &&!_bcad ._agaad ._ace {var (_acfb bool ;_ffdd int ;);for _ ,_ffbf :=range _fdfc {if _de .IsDigit (_ffbf ){if _acfb {break ;
};continue ;};if !_acfb {_acfb =true ;};_ffdd ++;};if _ffdd > 1{_bcad ._agaad ._ace =true ;};};_gfbf ,_ :=_b .Atoi (_ggab [1]);_aeea ,_ :=_b .Atoi (_ggab [2]);_gfbd =_gfbf ;_dbfd =_aeea ;_abeg =true ;_badb ="";_be .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",_gfbd ,_dbfd );
continue ;};_ebee :=_gebd .FindStringSubmatch (_fdfc );if len (_ebee )==4{if !_abeg {_be .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 ,_d .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_ggbc ,_ :=_b .ParseInt (_ebee [1],10,64);_aedbe ,_ :=_b .Atoi (_ebee [2]);_daaf :=_ebee [3];_badb ="";if _dd .ToLower (_daaf )=="\u006e"&&_ggbc > 1{_bgdd ,_aebe :=_bcad ._abff .ObjectMap [_gfbd ];if !_aebe ||_aedbe > _bgdd .Generation {_cddb :=XrefObject {ObjectNumber :_gfbd ,XType :XrefTypeTableEntry ,Offset :_ggbc ,Generation :_aedbe };
_bcad ._abff .ObjectMap [_gfbd ]=_cddb ;};};_gfbd ++;continue ;};if (len (_fdfc )> 6)&&(_fdfc [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_be .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_fdfc );
if len (_fdfc )> 9{_bebe :=_bcad .GetFileOffset ();_bcad .SetFileOffset (_bebe -int64 (len (_fdfc ))+7);};_bcad .skipSpaces ();_bcad .skipComments ();_be .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_be .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_fdfc );_adbdg ,_affbc =_bcad .ParseDict ();_be .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _affbc !=nil {_be .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",_affbc );return nil ,_affbc ;};break ;};if _fdfc =="\u0025\u0025\u0045O\u0046"{_be .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 ,_d .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");};_be .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_fdfc );
};_be .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 _bcad ._bgdef ==nil {_bgeag :=XrefTypeTableEntry ;_bcad ._bgdef =&_bgeag ;};return _adbdg ,nil ;};
func (_ffaa *PdfCrypt )loadCryptFilters (_dcfb *PdfObjectDictionary )error {_ffaa ._aga =cryptFilters {};_bfc :=_dcfb .Get ("\u0043\u0046");_bfc =TraceToDirectObject (_bfc );if _cfa ,_gcb :=_bfc .(*PdfObjectReference );_gcb {_ga ,_ffff :=_ffaa ._deg .LookupByReference (*_cfa );
if _ffff !=nil {_be .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 _ffff ;};_bfc =TraceToDirectObject (_ga );};_cee ,_gdeb :=_bfc .(*PdfObjectDictionary );
if !_gdeb {_be .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_bfc );return _d .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");};for _ ,_aegc :=range _cee .Keys (){_gaa :=_cee .Get (_aegc );
if _ced ,_dbf :=_gaa .(*PdfObjectReference );_dbf {_ddf ,_beaf :=_ffaa ._deg .LookupByReference (*_ced );if _beaf !=nil {_be .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 _beaf ;};_gaa =TraceToDirectObject (_ddf );};_cbg ,_ea :=_gaa .(*PdfObjectDictionary );if !_ea {return _gga .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",_aegc ,_gaa );
};if _aegc =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_be .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 _gbg _ebe .FilterDict ;if _ddgc :=_bfb (&_gbg ,_cbg );_ddgc !=nil {return _ddgc ;};_cgd ,_dad :=_ebe .NewFilter (_gbg );if _dad !=nil {return _dad ;};_ffaa ._aga [string (_aegc )]=_cgd ;};_ffaa ._aga ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_ebe .NewIdentity ();
_ffaa ._gfa ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _fad ,_fab :=_dcfb .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_fab {if _ ,_dda :=_ffaa ._aga [string (*_fad )];!_dda {return _gga .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",*_fad );
};_ffaa ._gfa =string (*_fad );};_ffaa ._gef ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _beaa ,_ffbb :=_dcfb .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_ffbb {if _ ,_acc :=_ffaa ._aga [string (*_beaa )];!_acc {return _gga .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",*_beaa );
};_ffaa ._gef =string (*_beaa );};return nil ;};

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

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

// String returns the PDF version as a string. Implements interface fmt.Stringer.
func (_ageb Version )String ()string {return _gga .Sprintf ("\u00250\u0064\u002e\u0025\u0030\u0064",_ageb .Major ,_ageb .Minor );};func (_eae *PdfCrypt )saveCryptFilters (_dag *PdfObjectDictionary )error {if _eae ._abf .V < 4{return _d .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");
};_dbag :=MakeDict ();_dag .Set ("\u0043\u0046",_dbag );for _ddbf ,_bgaa :=range _eae ._aga {if _ddbf =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_aed :=_bga (_bgaa ,"");_dbag .Set (PdfObjectName (_ddbf ),_aed );};_dag .Set ("\u0053\u0074\u0072\u0046",MakeName (_eae ._gfa ));
_dag .Set ("\u0053\u0074\u006d\u0046",MakeName (_eae ._gef ));return nil ;};func _dggg (_bcdc _ffd .Image )*JBIG2Image {_eaab :=_bcdc .Base ();return &JBIG2Image {Data :_eaab .Data ,Width :_eaab .Width ,Height :_eaab .Height ,HasPadding :true };};

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

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

// Remove removes an element specified by key.
func (_eabf *PdfObjectDictionary )Remove (key PdfObjectName ){_cgae :=-1;for _ggddg ,_eeca :=range _eabf ._efcg {if _eeca ==key {_cgae =_ggddg ;break ;};};if _cgae >=0{_eabf ._efcg =append (_eabf ._efcg [:_cgae ],_eabf ._efcg [_cgae +1:]...);delete (_eabf ._agadc ,key );
};};func (_aba *PdfCrypt )decryptBytes (_beec []byte ,_bgba string ,_egg []byte )([]byte ,error ){_be .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");_cfag ,_ggb :=_aba ._aga [_bgba ];if !_ggb {return nil ,_gga .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_bgba );
};return _cfag .DecryptBytes (_beec ,_egg );};

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _ebe .Filter ,userPass ,ownerPass []byte ,perm _db .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_bd :=&PdfCrypt {_aeg :make (map[PdfObject ]bool ),_aga :make (cryptFilters ),_dce :_db .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _cde Version ;if cf !=nil {_bgf :=cf .PDFVersion ();_cde .Major ,_cde .Minor =_bgf [0],_bgf [1];V ,R :=cf .HandlerVersion ();_bd ._abf .V =V ;_bd ._dce .R =R ;_bd ._abf .Length =cf .KeyLength ()*8;};const (_bacb =_bec ;);_bd ._aga [_bacb ]=cf ;if _bd ._abf .V >=4{_bd ._gef =_bacb ;
_bd ._gfa =_bacb ;};_bed :=_bd .newEncryptDict ();_gff :=_fg .Sum ([]byte (_ff .Now ().Format (_ff .RFC850 )));_ae :=string (_gff [:]);_afef :=make ([]byte ,100);_bf .Read (_afef );_gff =_fg .Sum (_afef );_dbc :=string (_gff [:]);_be .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_afef );
_be .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_ae );_bd ._fdfg =_ae ;_ffac :=_bd .generateParams (userPass ,ownerPass );if _ffac !=nil {return nil ,nil ,_ffac ;};_abfd (&_bd ._dce ,_bed );if _bd ._abf .V >=4{if _bee :=_bd .saveCryptFilters (_bed );
_bee !=nil {return nil ,nil ,_bee ;};};return _bd ,&EncryptInfo {Version :_cde ,Encrypt :_bed ,ID0 :_ae ,ID1 :_dbc },nil ;};func _bfb (_fag *_ebe .FilterDict ,_fafc *PdfObjectDictionary )error {if _gda ,_bag :=_fafc .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_bag {if _dba :=string (*_gda );_dba !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_be .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",_dba );
};};_ccc ,_cgac :=_fafc .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_cgac {return _gga .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");
};_fag .CFM =string (*_ccc );if _dfg ,_abfg :=_fafc .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_abfg {_fag .AuthEvent =_db .AuthEvent (*_dfg );}else {_fag .AuthEvent =_db .EventDocOpen ;};if _faa ,_ddg :=_fafc .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_ddg {_fag .Length =int (*_faa );};return nil ;};

// 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 (_fedcd *PdfObjectString )WriteString ()string {var _dcfg _c .Buffer ;if _fedcd ._fgce {_caafd :=_ag .EncodeToString (_fedcd .Bytes ());_dcfg .WriteString ("\u003c");_dcfg .WriteString (_caafd );_dcfg .WriteString ("\u003e");return _dcfg .String ();
};_bgce :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_dcfg .WriteString ("\u0028");for _gecg :=0;_gecg < len (_fedcd ._bgac );
_gecg ++{_fgfd :=_fedcd ._bgac [_gecg ];if _ddce ,_badf :=_bgce [_fgfd ];_badf {_dcfg .WriteString (_ddce );}else {_dcfg .WriteByte (_fgfd );};};_dcfg .WriteString ("\u0029");return _dcfg .String ();};

// UpdateParams updates the parameter values of the encoder.
func (_efae *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _dcaf ,_eagb :=GetNumberAsInt64 (params .Get ("\u004b"));_eagb ==nil {_efae .K =int (_dcaf );};if _ede ,_cdef :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_cdef ==nil {_efae .Columns =int (_ede );}else if _ede ,_cdef =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_cdef ==nil {_efae .Columns =int (_ede );};if _ebfc ,_cegec :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_cegec ==nil {_efae .BlackIs1 =_ebfc > 0;}else {if _cgefe ,_dffc :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_dffc {_efae .BlackIs1 =_cgefe ;}else {if _ebfb ,_gada :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_gada {_bccf ,_geg :=_ebfb .ToIntegerArray ();if _geg ==nil {_efae .BlackIs1 =_bccf [0]==1&&_bccf [1]==0;};};};};if _gfd ,_adbd :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_adbd ==nil {_efae .EncodedByteAlign =_gfd > 0;}else {if _fdcg ,_gfba :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_gfba {_efae .EncodedByteAlign =_fdcg ;};};if _aadc ,_bfdf :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_bfdf ==nil {_efae .EndOfLine =_aadc > 0;}else {if _ccfe ,_fead :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_fead {_efae .EndOfLine =_ccfe ;};};if _abaa ,_aaec :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));
_aaec ==nil {_efae .Rows =int (_abaa );}else if _abaa ,_aaec =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_aaec ==nil {_efae .Rows =int (_abaa );};if _bbded ,_ebfd :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_ebfd ==nil {_efae .EndOfBlock =_bbded > 0;}else {if _adce ,_degb :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_degb {_efae .EndOfBlock =_adce ;};};if _ggbg ,_edab :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_edab !=nil {_efae .DamagedRowsBeforeError =int (_ggbg );};};func (_def *PdfCrypt )makeKey (_agb string ,_ebb ,_efg uint32 ,_ddd []byte )([]byte ,error ){_age ,_dbab :=_def ._aga [_agb ];if !_dbab {return nil ,_gga .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_agb );
};return _age .MakeKey (_ebb ,_efg ,_ddd );};

// 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 (_eabb *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_egcba :=PdfIndirectObject {};_egcba ._gafb =_eabb ;_be .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_ecba ,_cace :=_eabb ._affg .Peek (20);
if _cace !=nil {if _cace !=_ad .EOF {_be .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 &_egcba ,_cace ;
};};_be .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_ecba ));_acaa :=_bagc .FindStringSubmatchIndex (string (_ecba ));if len (_acaa )< 6{if _cace ==_ad .EOF {return nil ,_cace ;
};_be .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 (_ecba ));
return &_egcba ,_d .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");
};_eabb ._affg .Discard (_acaa [0]);_be .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_acaa );_gece :=_acaa [1]-_acaa [0];_dadaf :=make ([]byte ,_gece );_ ,_cace =_eabb .ReadAtLeast (_dadaf ,_gece );if _cace !=nil {_be .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",_cace );
return nil ,_cace ;};_be .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_dadaf );_dceg :=_bagc .FindStringSubmatch (string (_dadaf ));if len (_dceg )< 3{_be .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 (_dadaf ));
return &_egcba ,_d .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");
};_fadc ,_ :=_b .Atoi (_dceg [1]);_decd ,_ :=_b .Atoi (_dceg [2]);_egcba .ObjectNumber =int64 (_fadc );_egcba .GenerationNumber =int64 (_decd );for {_eege ,_abca :=_eabb ._affg .Peek (2);if _abca !=nil {return &_egcba ,_abca ;};_be .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_eege ),string (_eege ));
if IsWhiteSpace (_eege [0]){_eabb .skipSpaces ();}else if _eege [0]=='%'{_eabb .skipComments ();}else if (_eege [0]=='<')&&(_eege [1]=='<'){_be .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_egcba .PdfObject ,_abca =_eabb .ParseDict ();
_be .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_abca );if _abca !=nil {return &_egcba ,_abca ;};_be .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 (_eege [0]=='/')||(_eege [0]=='(')||(_eege [0]=='[')||(_eege [0]=='<'){_egcba .PdfObject ,_abca =_eabb .parseObject ();if _abca !=nil {return &_egcba ,_abca ;};_be .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 _eege [0]==']'{_be .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");
_eabb ._affg .Discard (1);}else {if _eege [0]=='e'{_bgdf ,_dgca :=_eabb .readTextLine ();if _dgca !=nil {return nil ,_dgca ;};if len (_bgdf )>=6&&_bgdf [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _eege [0]=='s'{_eege ,_ =_eabb ._affg .Peek (10);
if string (_eege [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_gecd :=6;if len (_eege )> 6{if IsWhiteSpace (_eege [_gecd ])&&_eege [_gecd ]!='\r'&&_eege [_gecd ]!='\n'{_be .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");
_eabb ._agaad ._fabd =true ;_gecd ++;};if _eege [_gecd ]=='\r'{_gecd ++;if _eege [_gecd ]=='\n'{_gecd ++;};}else if _eege [_gecd ]=='\n'{_gecd ++;}else {_eabb ._agaad ._fabd =true ;};};_eabb ._affg .Discard (_gecd );_bfcb ,_ddab :=_egcba .PdfObject .(*PdfObjectDictionary );
if !_ddab {return nil ,_d .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");};_be .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_bfcb );
_fffbd ,_fbfc :=_eabb .traceStreamLength (_bfcb .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _fbfc !=nil {_be .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",_fbfc );
return nil ,_fbfc ;};_be .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_fffbd );_bccff ,_affgg :=_fffbd .(*PdfObjectInteger );if !_affgg {return nil ,_d .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");
};_fegd :=*_bccff ;if _fegd < 0{return nil ,_d .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");};_afbe :=_eabb .GetFileOffset ();
_ddfaf :=_eabb .xrefNextObjectOffset (_afbe );if _afbe +int64 (_fegd )> _ddfaf &&_ddfaf > _afbe {_be .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_afbe +int64 (_fegd ));_be .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",_ddfaf );
_gaccc :=_ddfaf -_afbe -17;if _gaccc < 0{return nil ,_d .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");
};_be .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",_gaccc );_fegd =PdfObjectInteger (_gaccc );
_bfcb .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_gaccc ));};if int64 (_fegd )> _eabb ._gaf {_be .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 ,_d .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");};_ebeec :=make ([]byte ,_fegd );
_ ,_fbfc =_eabb .ReadAtLeast (_ebeec ,int (_fegd ));if _fbfc !=nil {_be .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_ebeec ),_ebeec );_be .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_fbfc );
return nil ,_fbfc ;};_ceeb :=PdfObjectStream {};_ceeb .Stream =_ebeec ;_ceeb .PdfObjectDictionary =_egcba .PdfObject .(*PdfObjectDictionary );_ceeb .ObjectNumber =_egcba .ObjectNumber ;_ceeb .GenerationNumber =_egcba .GenerationNumber ;_ceeb .PdfObjectReference ._gafb =_eabb ;
_eabb .skipSpaces ();_eabb ._affg .Discard (9);_eabb .skipSpaces ();return &_ceeb ,nil ;};};_egcba .PdfObject ,_abca =_eabb .parseObject ();if _egcba .PdfObject ==nil {_be .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");
_egcba .PdfObject =MakeNull ();};return &_egcba ,_abca ;};};if _egcba .PdfObject ==nil {_be .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");
_egcba .PdfObject =MakeNull ();};_be .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_egcba ,nil ;};

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_ceada :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _ceada ==nil {return NewRawEncoder (),nil ;};if _ ,_gbde :=_ceada .(*PdfObjectNull );
_gbde {return NewRawEncoder (),nil ;};_cfeba ,_abgd :=_ceada .(*PdfObjectName );if !_abgd {_gdef ,_cccgc :=_ceada .(*PdfObjectArray );if !_cccgc {return nil ,_gga .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 _gdef .Len ()==0{return NewRawEncoder (),nil ;};if _gdef .Len ()!=1{_bagg ,_ccfda :=_dcaa (streamObj );if _ccfda !=nil {_be .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",_ccfda );
return nil ,_ccfda ;};_be .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_bagg );return _bagg ,nil ;};_ceada =_gdef .Get (0);_cfeba ,_cccgc =_ceada .(*PdfObjectName );if !_cccgc {return nil ,_gga .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 _adggc ,_fafec :=_cegb .Load (_cfeba .String ());_fafec {return _adggc .(StreamEncoder ),nil ;};switch *_cfeba {case StreamEncodingFilterNameFlate :return _afa (streamObj ,nil );case StreamEncodingFilterNameLZW :return _cfb (streamObj ,nil );case StreamEncodingFilterNameDCT :return _addd (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _cegc (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _gagdc (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _ecge (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_be .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 ,_gga .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",*_cfeba );};var _cegb _g .Map ;func (_dddf *JBIG2Encoder )encodeImage (_fed _dea .Image )([]byte ,error ){const _aabc ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";
_ffdf ,_eecd :=GoImageToJBIG2 (_fed ,JB2ImageAutoThreshold );if _eecd !=nil {return nil ,_ab .Wrap (_eecd ,_aabc ,"\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 _eecd =_dddf .AddPageImage (_ffdf ,&_dddf .DefaultPageSettings );_eecd !=nil {return nil ,_ab .Wrap (_eecd ,_aabc ,"");};return _dddf .Encode ();};

// HasEOLAfterHeader gets information if there is a EOL after the version header.
func (_ffed ParserMetadata )HasEOLAfterHeader ()bool {return _ffed ._fdb };func (_ebbb *PdfCrypt )generateParams (_gfad ,_cdd []byte )error {_cbec :=_ebbb .securityHandler ();_gfe ,_ddbd :=_cbec .GenerateParams (&_ebbb ._dce ,_cdd ,_gfad );if _ddbd !=nil {return _ddbd ;
};_ebbb ._aa =_gfe ;return nil ;};var _cebe =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};func (_fd *PdfParser )lookupByNumberWrapper (_dfe int ,_acf bool )(PdfObject ,bool ,error ){_bfd ,_eee ,_dgb :=_fd .lookupByNumber (_dfe ,_acf );
if _dgb !=nil {return nil ,_eee ,_dgb ;};if !_eee &&_fd ._ddcf !=nil &&_fd ._ddcf ._egab &&!_fd ._ddcf .isDecrypted (_bfd ){_fgb :=_fd ._ddcf .Decrypt (_bfd ,0,0);if _fgb !=nil {return nil ,_eee ,_fgb ;};};return _bfd ,_eee ,nil ;};

// NewRawEncoder returns a new instace of RawEncoder.
func NewRawEncoder ()*RawEncoder {return &RawEncoder {}};var _bagc =_eb .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");

// GetPreviousRevisionParser returns PdfParser for the previous version of the Pdf document.
func (_gfgdd *PdfParser )GetPreviousRevisionParser ()(*PdfParser ,error ){if _gfgdd ._bgda ==0{return nil ,_d .New ("\u0074\u0068\u0069\u0073 i\u0073\u0020\u0066\u0069\u0072\u0073\u0074\u0020\u0072\u0065\u0076\u0069\u0073\u0069o\u006e");};if _fgageg ,_dfdd :=_gfgdd ._gadab [_gfgdd ];
_dfdd {return _fgageg ,nil ;};_cbcg ,_agebe :=_gfgdd .GetPreviousRevisionReadSeeker ();if _agebe !=nil {return nil ,_agebe ;};_bdbba ,_agebe :=NewParser (_cbcg );_bdbba ._gadab =_gfgdd ._gadab ;if _agebe !=nil {return nil ,_agebe ;};_gfgdd ._gadab [_gfgdd ]=_bdbba ;
return _bdbba ,nil ;};

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

// 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 {_gfefc :=PdfObjectString {_bgac :s };return &_gfefc };func _aedbd (_ccebb PdfObject ,_cebeca int )PdfObject {if _cebeca > _deadb {_be .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",_deadb );
return MakeNull ();};switch _gbgc :=_ccebb .(type ){case *PdfIndirectObject :_ccebb =_aedbd ((*_gbgc ).PdfObject ,_cebeca +1);case *PdfObjectArray :for _ecfb ,_fada :=range (*_gbgc )._ccg {(*_gbgc )._ccg [_ecfb ]=_aedbd (_fada ,_cebeca +1);};case *PdfObjectDictionary :for _aaaf ,_gcfe :=range (*_gbgc )._agadc {(*_gbgc )._agadc [_aaaf ]=_aedbd (_gcfe ,_cebeca +1);
};_f .Slice ((*_gbgc )._efcg ,func (_aecaf ,_edfb int )bool {return (*_gbgc )._efcg [_aecaf ]< (*_gbgc )._efcg [_edfb ]});};return _ccebb ;};func (_bgagg *PdfParser )parseHexString ()(*PdfObjectString ,error ){_bgagg ._affg .ReadByte ();var _bfef _c .Buffer ;
for {_cbab ,_gfcg :=_bgagg ._affg .Peek (1);if _gfcg !=nil {return MakeString (""),_gfcg ;};if _cbab [0]=='>'{_bgagg ._affg .ReadByte ();break ;};_cbae ,_ :=_bgagg ._affg .ReadByte ();if _bgagg ._begf {if _c .IndexByte (_befda ,_cbae )==-1{_bgagg ._agaad ._fgac =true ;
};};if !IsWhiteSpace (_cbae ){_bfef .WriteByte (_cbae );};};if _bfef .Len ()%2==1{_bgagg ._agaad ._abac =true ;_bfef .WriteRune ('0');};_ggga ,_ :=_ag .DecodeString (_bfef .String ());return MakeHexString (string (_ggga )),nil ;};

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

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

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

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

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

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

// DecodeBytes decodes the CCITTFax encoded image data.
func (_efad *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_bgccd ,_gbcc :=_af .NewDecoder (encoded ,_af .DecodeOptions {Columns :_efad .Columns ,Rows :_efad .Rows ,K :_efad .K ,EncodedByteAligned :_efad .EncodedByteAlign ,BlackIsOne :_efad .BlackIs1 ,EndOfBlock :_efad .EndOfBlock ,EndOfLine :_efad .EndOfLine ,DamagedRowsBeforeError :_efad .DamagedRowsBeforeError });
if _gbcc !=nil {return nil ,_gbcc ;};_ecebe ,_gbcc :=_ac .ReadAll (_bgccd );if _gbcc !=nil {return nil ,_gbcc ;};return _ecebe ,nil ;};

// DecodeBytes decodes a byte slice from Run length encoding.
//
// 7.4.5 RunLengthDecode Filter
// The RunLengthDecode filter decodes data that has been encoded in a simple byte-oriented format based on run length.
// The encoded data shall be a sequence of runs, where each run shall consist of a length byte followed by 1 to 128
// bytes of data. If the length byte is in the range 0 to 127, the following length + 1 (1 to 128) bytes shall be
// copied literally during decompression. If length is in the range 129 to 255, the following single byte shall be
// copied 257 - length (2 to 128) times during decompression. A length value of 128 shall denote EOD.
func (_baff *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_eeafg :=_c .NewReader (encoded );var _dccb []byte ;for {_cfacc ,_gdfg :=_eeafg .ReadByte ();if _gdfg !=nil {return nil ,_gdfg ;};if _cfacc > 128{_ccec ,_agac :=_eeafg .ReadByte ();
if _agac !=nil {return nil ,_agac ;};for _cea :=0;_cea < 257-int (_cfacc );_cea ++{_dccb =append (_dccb ,_ccec );};}else if _cfacc < 128{for _acca :=0;_acca < int (_cfacc )+1;_acca ++{_eadc ,_dfed :=_eeafg .ReadByte ();if _dfed !=nil {return nil ,_dfed ;
};_dccb =append (_dccb ,_eadc );};}else {break ;};};return _dccb ,nil ;};type limitedReadSeeker struct{_gdbce _ad .ReadSeeker ;_cbeg int64 ;};

// GetObjectNums returns a sorted list of object numbers of the PDF objects in the file.
func (_gebe *PdfParser )GetObjectNums ()[]int {var _eafd []int ;for _ ,_afgbc :=range _gebe ._abff .ObjectMap {_eafd =append (_eafd ,_afgbc .ObjectNumber );};_f .Ints (_eafd );return _eafd ;};

// WriteString outputs the object as it is to be written to file.
func (_acfe *PdfObjectArray )WriteString ()string {var _acgd _dd .Builder ;_acgd .WriteString ("\u005b");for _eceg ,_cfdg :=range _acfe .Elements (){_acgd .WriteString (_cfdg .WriteString ());if _eceg < (_acfe .Len ()-1){_acgd .WriteString ("\u0020");};
};_acgd .WriteString ("\u005d");return _acgd .String ();};const _egaff =32<<(^uint (0)>>63);

// 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 )(_geed float64 ,_fgagb bool ){_caaed ,_fgagb :=TraceToDirectObject (obj ).(*PdfObjectFloat );if _fgagb {return float64 (*_caaed ),true ;};return 0,false ;};

// 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 ))};

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_cgge *RawEncoder )MakeDecodeParams ()PdfObject {return nil };func (_dfdfb *PdfParser )parsePdfVersion ()(int ,int ,error ){var _fcbf int64 =20;_aebc :=make ([]byte ,_fcbf );_dfdfb ._abbg .Seek (0,_ad .SeekStart );_dfdfb ._abbg .Read (_aebc );var _cefe error ;
var _ggbee ,_fgbee int ;if _dcbf :=_eaca .FindStringSubmatch (string (_aebc ));len (_dcbf )< 3{if _ggbee ,_fgbee ,_cefe =_dfdfb .seekPdfVersionTopDown ();_cefe !=nil {_be .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,_cefe ;};_dfdfb ._abbg ,_cefe =_fggg (_dfdfb ._abbg ,_dfdfb .GetFileOffset ()-8);if _cefe !=nil {return 0,0,_cefe ;};}else {if _ggbee ,_cefe =_b .Atoi (_dcbf [1]);_cefe !=nil {return 0,0,_cefe ;};if _fgbee ,_cefe =_b .Atoi (_dcbf [2]);_cefe !=nil {return 0,0,_cefe ;
};_dfdfb .SetFileOffset (0);};_dfdfb ._affg =_ec .NewReader (_dfdfb ._abbg );_be .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_ggbee ,_fgbee );return _ggbee ,_fgbee ,nil ;};func (_caacc *PdfParser )getNumbersOfUpdatedObjects (_fcfgg *PdfParser )([]int ,error ){if _fcfgg ==nil {return nil ,_d .New ("\u0070\u0072e\u0076\u0069\u006f\u0075\u0073\u0020\u0070\u0061\u0072\u0073\u0065\u0072\u0020\u0063\u0061\u006e\u0027\u0074\u0020\u0062\u0065\u0020nu\u006c\u006c");
};_fcbg :=_fcfgg ._gaf ;_bbbe :=make ([]int ,0);_bded :=make (map[int ]interface{});_gdbg :=make (map[int ]int64 );for _bedgg ,_egbdg :=range _caacc ._abff .ObjectMap {if _egbdg .Offset ==0{if _egbdg .OsObjNumber !=0{if _baba ,_ecag :=_caacc ._abff .ObjectMap [_egbdg .OsObjNumber ];
_ecag {_bded [_egbdg .OsObjNumber ]=struct{}{};_gdbg [_bedgg ]=_baba .Offset ;}else {return nil ,_d .New ("u\u006ed\u0065\u0066\u0069\u006e\u0065\u0064\u0020\u0078r\u0065\u0066\u0020\u0074ab\u006c\u0065");};};}else {_gdbg [_bedgg ]=_egbdg .Offset ;};};
for _ggge ,_dcbg :=range _gdbg {if _ ,_dfabf :=_bded [_ggge ];_dfabf {continue ;};if _dcbg > _fcbg {_bbbe =append (_bbbe ,_ggge );};};return _bbbe ,nil ;};

// SetImage sets the image base for given flate encoder.
func (_gcbb *FlateEncoder )SetImage (img *_ffd .ImageBase ){_gcbb ._gge =img };var _dfdfe =_eb .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_ecfe *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _bafcb []byte ;_be .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_cdde :=0;_gaac :=false ;for _cdde < len (encoded )&&!_gaac {_gfaef :=[5]byte {0,0,0,0,0};
_aebb :=0;_aedd :=0;_aage :=4;for _aedd < 5+_aebb {if _cdde +_aedd ==len (encoded ){break ;};_bdee :=encoded [_cdde +_aedd ];if IsWhiteSpace (_bdee ){_aebb ++;_aedd ++;continue ;}else if _bdee =='~'&&_cdde +_aedd +1< len (encoded )&&encoded [_cdde +_aedd +1]=='>'{_aage =(_aedd -_aebb )-1;
if _aage < 0{_aage =0;};_gaac =true ;break ;}else if _bdee >='!'&&_bdee <='u'{_bdee -='!';}else if _bdee =='z'&&_aedd -_aebb ==0{_aage =4;_aedd ++;break ;}else {_be .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 ,_d .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_gfaef [_aedd -_aebb ]=_bdee ;_aedd ++;};_cdde +=_aedd ;for _fccc :=_aage +1;_fccc < 5;_fccc ++{_gfaef [_fccc ]=84;
};_cbdc :=uint32 (_gfaef [0])*85*85*85*85+uint32 (_gfaef [1])*85*85*85+uint32 (_gfaef [2])*85*85+uint32 (_gfaef [3])*85+uint32 (_gfaef [4]);_dbge :=[]byte {byte ((_cbdc >>24)&0xff),byte ((_cbdc >>16)&0xff),byte ((_cbdc >>8)&0xff),byte (_cbdc &0xff)};_bafcb =append (_bafcb ,_dbge [:_aage ]...);
};_be .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_be .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_bafcb );
return _bafcb ,nil ;};func (_bcfe *PdfCrypt )securityHandler ()_db .StdHandler {if _bcfe ._dce .R >=5{return _db .NewHandlerR6 ();};return _db .NewHandlerR4 (_bcfe ._fdfg ,_bcfe ._abf .Length );};

// 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 )(_daaga *PdfObjectName ,_cbcb bool ){_daaga ,_cbcb =TraceToDirectObject (obj ).(*PdfObjectName );return _daaga ,_cbcb ;};

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

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

// DecodeStream decodes RunLengthEncoded stream object and give back decoded bytes.
func (_fbb *RunLengthEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _fbb .DecodeBytes (streamObj .Stream );};func (_faae *PdfParser )rebuildXrefTable ()error {_geec :=XrefTable {};_geec .ObjectMap =map[int ]XrefObject {};_eegf :=make ([]int ,0,len (_faae ._abff .ObjectMap ));
for _bbdc :=range _faae ._abff .ObjectMap {_eegf =append (_eegf ,_bbdc );};_f .Ints (_eegf );for _ ,_aadge :=range _eegf {_gcgdc :=_faae ._abff .ObjectMap [_aadge ];_egbad ,_ ,_fcgb :=_faae .lookupByNumberWrapper (_aadge ,false );if _fcgb !=nil {_be .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",_fcgb );
_be .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");
_degbe ,_dffe :=_faae .repairRebuildXrefsTopDown ();if _dffe !=nil {_be .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",_dffe );
return _dffe ;};_faae ._abff =*_degbe ;_be .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_fdea ,_bbdcb ,_fcgb :=_cga (_egbad );if _fcgb !=nil {return _fcgb ;
};_gcgdc .ObjectNumber =int (_fdea );_gcgdc .Generation =int (_bbdcb );_geec .ObjectMap [int (_fdea )]=_gcgdc ;};_faae ._abff =_geec ;_be .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");_gdeg (_faae ._abff );
return nil ;};func (_cfgg *PdfParser )skipComments ()error {if _ ,_gcc :=_cfgg .skipSpaces ();_gcc !=nil {return _gcc ;};_bcabg :=true ;for {_bcfa ,_dbgeg :=_cfgg ._affg .Peek (1);if _dbgeg !=nil {_be .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_dbgeg .Error ());
return _dbgeg ;};if _bcabg &&_bcfa [0]!='%'{return nil ;};_bcabg =false ;if (_bcfa [0]!='\r')&&(_bcfa [0]!='\n'){_cfgg ._affg .ReadByte ();}else {break ;};};return _cfgg .skipComments ();};

// PdfObjectStream represents the primitive PDF Object stream.
type PdfObjectStream struct{PdfObjectReference ;*PdfObjectDictionary ;Stream []byte ;};const (DefaultJPEGQuality =75;);

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

// 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 )(_ebag *PdfObjectFloat ,_gfdca bool ){_ebag ,_gfdca =TraceToDirectObject (obj ).(*PdfObjectFloat );return _ebag ,_gfdca ;};func _baef (_gcacd ,_bfcbf PdfObject ,_ffeb int )bool {if _ffeb > _deadb {_be .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",_deadb );
return false ;};if _gcacd ==nil &&_bfcbf ==nil {return true ;}else if _gcacd ==nil ||_bfcbf ==nil {return false ;};if _a .TypeOf (_gcacd )!=_a .TypeOf (_bfcbf ){return false ;};switch _ccdb :=_gcacd .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_ccdb ==*(_bfcbf .(*PdfObjectName ));case *PdfObjectString :return *_ccdb ==*(_bfcbf .(*PdfObjectString ));case *PdfObjectInteger :return *_ccdb ==*(_bfcbf .(*PdfObjectInteger ));case *PdfObjectBool :return *_ccdb ==*(_bfcbf .(*PdfObjectBool ));
case *PdfObjectFloat :return *_ccdb ==*(_bfcbf .(*PdfObjectFloat ));case *PdfIndirectObject :return _baef (TraceToDirectObject (_gcacd ),TraceToDirectObject (_bfcbf ),_ffeb +1);case *PdfObjectArray :_bfeg :=_bfcbf .(*PdfObjectArray );if len ((*_ccdb )._ccg )!=len ((*_bfeg )._ccg ){return false ;
};for _caddf ,_edcg :=range (*_ccdb )._ccg {if !_baef (_edcg ,(*_bfeg )._ccg [_caddf ],_ffeb +1){return false ;};};return true ;case *PdfObjectDictionary :_cded :=_bfcbf .(*PdfObjectDictionary );_abdeg ,_dgab :=(*_ccdb )._agadc ,(*_cded )._agadc ;if len (_abdeg )!=len (_dgab ){return false ;
};for _dffab ,_cbaeb :=range _abdeg {_eaeag ,_bccg :=_dgab [_dffab ];if !_bccg ||!_baef (_cbaeb ,_eaeag ,_ffeb +1){return false ;};};return true ;case *PdfObjectStream :_gbda :=_bfcbf .(*PdfObjectStream );return _baef ((*_ccdb ).PdfObjectDictionary ,(*_gbda ).PdfObjectDictionary ,_ffeb +1);
default:_be .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",_gcacd );
};return false ;};

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_egd *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_gbe ,_efe :=obj .(*PdfObjectReference );if !_efe {return obj ,nil ;};_beff :=_egd .GetFileOffset ();defer func (){_egd .SetFileOffset (_beff )}();_fdd ,_bca :=_egd .LookupByReference (*_gbe );
if _bca !=nil {return nil ,_bca ;};_gbd ,_dc :=_fdd .(*PdfIndirectObject );if !_dc {return _fdd ,nil ;};_fdd =_gbd .PdfObject ;_ ,_efe =_fdd .(*PdfObjectReference );if _efe {return _gbd ,_d .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 _fdd ,nil ;};var _cfff =_eb .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");

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

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_bfeb *PdfParser )GetFileOffset ()int64 {_dfeb ,_ :=_bfeb ._abbg .Seek (0,_ad .SeekCurrent );_dfeb -=int64 (_bfeb ._affg .Buffered ());return _dfeb ;};

// 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 (_fde *FlateEncoder )SetPredictor (columns int ){_fde .Predictor =11;_fde .Columns =columns };func _ecabf (_dabcd string )(int ,int ,error ){_egaag :=_bagc .FindStringSubmatch (_dabcd );if len (_egaag )< 3{return 0,0,_d .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");
};_fddfb ,_ :=_b .Atoi (_egaag [1]);_bdeb ,_ :=_b .Atoi (_egaag [2]);return _fddfb ,_bdeb ,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 _baef (obj1 ,obj2 ,0)};var _efbe =_eb .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");func (_dcd *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_fgd :=MakeDict ();
_fgd .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));_fgd .Set ("\u0056",MakeInteger (int64 (_dcd ._abf .V )));_fgd .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_dcd ._abf .Length )));
return _fgd ;};

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_fcac *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_aace :=encoded ;var _bdeea error ;for _ ,_fgfg :=range _fcac ._edeg {_be .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",_fgfg ,_fgfg );
_aace ,_bdeea =_fgfg .DecodeBytes (_aace );if _bdeea !=nil {return nil ,_bdeea ;};};return _aace ,nil ;};func (_fcceb *PdfParser )repairSeekXrefMarker ()error {_aafe ,_ffce :=_fcceb ._abbg .Seek (0,_ad .SeekEnd );if _ffce !=nil {return _ffce ;};_adda :=_eb .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");
var _cadd int64 ;var _ffge int64 =1000;for _cadd < _aafe {if _aafe <=(_ffge +_cadd ){_ffge =_aafe -_cadd ;};_ ,_accg :=_fcceb ._abbg .Seek (-_cadd -_ffge ,_ad .SeekEnd );if _accg !=nil {return _accg ;};_cgfge :=make ([]byte ,_ffge );_fcceb ._abbg .Read (_cgfge );
_be .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_cgfge ));_edfdf :=_adda .FindAllStringIndex (string (_cgfge ),-1);if _edfdf !=nil {_ccag :=_edfdf [len (_edfdf )-1];
_be .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_edfdf );_fcceb ._abbg .Seek (-_cadd -_ffge +int64 (_ccag [0]),_ad .SeekEnd );_fcceb ._affg =_ec .NewReader (_fcceb ._abbg );for {_egced ,_ebgg :=_fcceb ._affg .Peek (1);if _ebgg !=nil {return _ebgg ;
};_be .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_egced [0],_egced [0]);if !IsWhiteSpace (_egced [0]){break ;};_fcceb ._affg .Discard (1);};return nil ;};_be .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");
_cadd +=_ffge ;};_be .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 _d .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};

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

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

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set.  Some other parameters are generated elsewhere.
func (_gbaf *DCTEncoder )MakeStreamDict ()*PdfObjectDictionary {_afaa :=MakeDict ();_afaa .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_gbaf .GetFilterName ()));return _afaa ;};func _bcceb (_fgffc ,_dfaeb ,_fcde int )error {if _dfaeb < 0||_dfaeb > _fgffc {return _d .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 _fcde < _dfaeb {return _d .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0073\u006c\u0069\u0063e\u0020i\u006ed\u0065\u0078\u0020\u0062\u0020\u003c\u0020a");};if _fcde > _fgffc {return _d .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 ;};

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

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_gdbb *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_cfd :=_c .NewReader (data );var _aad []byte ;var _agaec []byte ;_ade ,_bbec :=_cfd .ReadByte ();if _bbec ==_ad .EOF {return []byte {},nil ;}else if _bbec !=nil {return nil ,_bbec ;
};_acb :=1;for {_eeag ,_gbcd :=_cfd .ReadByte ();if _gbcd ==_ad .EOF {break ;}else if _gbcd !=nil {return nil ,_gbcd ;};if _eeag ==_ade {if len (_agaec )> 0{_agaec =_agaec [:len (_agaec )-1];if len (_agaec )> 0{_aad =append (_aad ,byte (len (_agaec )-1));
_aad =append (_aad ,_agaec ...);};_acb =1;_agaec =[]byte {};};_acb ++;if _acb >=127{_aad =append (_aad ,byte (257-_acb ),_ade );_acb =0;};}else {if _acb > 0{if _acb ==1{_agaec =[]byte {_ade };}else {_aad =append (_aad ,byte (257-_acb ),_ade );};_acb =0;
};_agaec =append (_agaec ,_eeag );if len (_agaec )>=127{_aad =append (_aad ,byte (len (_agaec )-1));_aad =append (_aad ,_agaec ...);_agaec =[]byte {};};};_ade =_eeag ;};if len (_agaec )> 0{_aad =append (_aad ,byte (len (_agaec )-1));_aad =append (_aad ,_agaec ...);
}else if _acb > 0{_aad =append (_aad ,byte (257-_acb ),_ade );};_aad =append (_aad ,128);return _aad ,nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set and the DecodeParms.
func (_cgfe *FlateEncoder )MakeStreamDict ()*PdfObjectDictionary {_ggff :=MakeDict ();_ggff .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_cgfe .GetFilterName ()));_bdba :=_cgfe .MakeDecodeParams ();if _bdba !=nil {_ggff .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_bdba );
};return _ggff ;};func _abfd (_bea *_db .StdEncryptDict ,_deag *PdfObjectDictionary ){_deag .Set ("\u0052",MakeInteger (int64 (_bea .R )));_deag .Set ("\u0050",MakeInteger (int64 (_bea .P )));_deag .Set ("\u004f",MakeStringFromBytes (_bea .O ));_deag .Set ("\u0055",MakeStringFromBytes (_bea .U ));
if _bea .R >=5{_deag .Set ("\u004f\u0045",MakeStringFromBytes (_bea .OE ));_deag .Set ("\u0055\u0045",MakeStringFromBytes (_bea .UE ));_deag .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_bea .EncryptMetadata ));
if _bea .R > 5{_deag .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_bea .Perms ));};};};

// 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 (_gefca *PdfObjectDictionary )GetString (key PdfObjectName )(string ,bool ){_agbe :=_gefca .Get (key );if _agbe ==nil {return "",false ;};_cggd ,_dbee :=_agbe .(*PdfObjectString );if !_dbee {return "",false ;};return _cggd .Str (),true ;};func _bga (_cgag _ebe .Filter ,_dbff _db .AuthEvent )*PdfObjectDictionary {if _dbff ==""{_dbff =_db .EventDocOpen ;
};_fcg :=MakeDict ();_fcg .Set ("\u0054\u0079\u0070\u0065",MakeName ("C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"));_fcg .Set ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et",MakeName (string (_dbff )));_fcg .Set ("\u0043\u0046\u004d",MakeName (_cgag .Name ()));
_fcg .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_cgag .KeyLength ())));return _fcg ;};func (_cfabf *PdfObjectInteger )String ()string {return _gga .Sprintf ("\u0025\u0064",*_cfabf )};

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

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

// GetPreviousRevisionReadSeeker returns ReadSeeker for the previous version of the Pdf document.
func (_cdea *PdfParser )GetPreviousRevisionReadSeeker ()(_ad .ReadSeeker ,error ){if _gage :=_cdea .seekToEOFMarker (_cdea ._gaf -_dcb );_gage !=nil {return nil ,_gage ;};_dcfd ,_ddfb :=_cdea ._abbg .Seek (0,_ad .SeekCurrent );if _ddfb !=nil {return nil ,_ddfb ;
};_dcfd +=_dcb ;return _cag (_cdea ._abbg ,_dcfd );};

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

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

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

// Seek implementation of Seek interface.
func (_acag *limitedReadSeeker )Seek (offset int64 ,whence int )(int64 ,error ){var _dacf int64 ;switch whence {case _ad .SeekStart :_dacf =offset ;case _ad .SeekCurrent :_deca ,_dgde :=_acag ._gdbce .Seek (0,_ad .SeekCurrent );if _dgde !=nil {return 0,_dgde ;
};_dacf =_deca +offset ;case _ad .SeekEnd :_dacf =_acag ._cbeg +offset ;};if _dfdg :=_acag .getError (_dacf );_dfdg !=nil {return 0,_dfdg ;};if _ ,_fega :=_acag ._gdbce .Seek (_dacf ,_ad .SeekStart );_fega !=nil {return 0,_fega ;};return _dacf ,nil ;};
func _dcae (_bbcff PdfObject ,_cgca int ,_cgece map[PdfObject ]struct{})error {_be .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",_cgca );
if _ ,_ebdb :=_cgece [_bbcff ];_ebdb {_be .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_cgece [_bbcff ]=struct{}{};switch _fcbfd :=_bbcff .(type ){case *PdfIndirectObject :_cgeg :=_fcbfd ;
_be .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_cgeg );_be .Log .Trace ("\u002d\u0020\u0025\u0073",_cgeg .PdfObject );return _dcae (_cgeg .PdfObject ,_cgca +1,_cgece );case *PdfObjectStream :_dgae :=_fcbfd ;return _dcae (_dgae .PdfObjectDictionary ,_cgca +1,_cgece );
case *PdfObjectDictionary :_abggg :=_fcbfd ;_be .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_abggg );for _ ,_dagac :=range _abggg .Keys (){_adeda :=_abggg .Get (_dagac );if _cacb ,_fbba :=_adeda .(*PdfObjectReference );_fbba {_ggfcf :=_cacb .Resolve ();
_abggg .Set (_dagac ,_ggfcf );_fbgga :=_dcae (_ggfcf ,_cgca +1,_cgece );if _fbgga !=nil {return _fbgga ;};}else {_fddeg :=_dcae (_adeda ,_cgca +1,_cgece );if _fddeg !=nil {return _fddeg ;};};};return nil ;case *PdfObjectArray :_cffc :=_fcbfd ;_be .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_cffc );
for _dgce ,_gccb :=range _cffc .Elements (){if _dcggg ,_bgab :=_gccb .(*PdfObjectReference );_bgab {_gddbg :=_dcggg .Resolve ();_cffc .Set (_dgce ,_gddbg );_gcbca :=_dcae (_gddbg ,_cgca +1,_cgece );if _gcbca !=nil {return _gcbca ;};}else {_aaba :=_dcae (_gccb ,_cgca +1,_cgece );
if _aaba !=nil {return _aaba ;};};};return nil ;case *PdfObjectReference :_be .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 _d .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};return nil ;};