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 (_ega "bufio";_fbe "bytes";_fb "compress/lzw";_cce "compress/zlib";_ca "crypto/md5";_gf "crypto/rand";_eg "encoding/hex";_b "errors";_fc "fmt";_df "github.com/unidoc/unipdf/v3/common";_ga "github.com/unidoc/unipdf/v3/core/security";
_cf "github.com/unidoc/unipdf/v3/core/security/crypt";_caa "github.com/unidoc/unipdf/v3/internal/ccittfax";_dd "github.com/unidoc/unipdf/v3/internal/imageutil";_cbd "github.com/unidoc/unipdf/v3/internal/jbig2";_aa "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";
_fe "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";_dg "github.com/unidoc/unipdf/v3/internal/jbig2/document";_de "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_gg "github.com/unidoc/unipdf/v3/internal/strutils";_bb "golang.org/x/image/tiff/lzw";
_ccf "golang.org/x/xerrors";_af "image";_fd "image/color";_da "image/jpeg";_fcb "io";_d "io/ioutil";_f "reflect";_ec "regexp";_a "sort";_g "strconv";_eb "strings";_e "sync";_cb "time";_cc "unicode";);

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_dcba *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_dffg :=_fbe .NewReader (encoded );_cda ,_gfdgc :=_da .Decode (_dffg );if _gfdgc !=nil {_df .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_gfdgc );
return nil ,_gfdgc ;};_bfcc :=_cda .Bounds ();var _ageee =make ([]byte ,_bfcc .Dx ()*_bfcc .Dy ()*_dcba .ColorComponents *_dcba .BitsPerComponent /8);_cgaag :=0;for _fgea :=_bfcc .Min .Y ;_fgea < _bfcc .Max .Y ;_fgea ++{for _aegf :=_bfcc .Min .X ;_aegf < _bfcc .Max .X ;
_aegf ++{_cdcg :=_cda .At (_aegf ,_fgea );if _dcba .ColorComponents ==1{if _dcba .BitsPerComponent ==16{_afeb ,_eccd :=_cdcg .(_fd .Gray16 );if !_eccd {return nil ,_b .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_ageee [_cgaag ]=byte ((_afeb .Y >>8)&0xff);_cgaag ++;_ageee [_cgaag ]=byte (_afeb .Y &0xff);_cgaag ++;}else {_acgg ,_cdad :=_cdcg .(_fd .Gray );if !_cdad {return nil ,_b .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_ageee [_cgaag ]=_acgg .Y &0xff;_cgaag ++;};}else if _dcba .ColorComponents ==3{if _dcba .BitsPerComponent ==16{_affa ,_gbeg :=_cdcg .(_fd .RGBA64 );if !_gbeg {return nil ,_b .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_ageee [_cgaag ]=byte ((_affa .R >>8)&0xff);_cgaag ++;_ageee [_cgaag ]=byte (_affa .R &0xff);_cgaag ++;_ageee [_cgaag ]=byte ((_affa .G >>8)&0xff);_cgaag ++;_ageee [_cgaag ]=byte (_affa .G &0xff);_cgaag ++;_ageee [_cgaag ]=byte ((_affa .B >>8)&0xff);
_cgaag ++;_ageee [_cgaag ]=byte (_affa .B &0xff);_cgaag ++;}else {_fbd ,_fefd :=_cdcg .(_fd .RGBA );if _fefd {_ageee [_cgaag ]=_fbd .R &0xff;_cgaag ++;_ageee [_cgaag ]=_fbd .G &0xff;_cgaag ++;_ageee [_cgaag ]=_fbd .B &0xff;_cgaag ++;}else {_gbdg ,_cgce :=_cdcg .(_fd .YCbCr );
if !_cgce {return nil ,_b .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");};_adde ,_badfb ,_gaacb ,_ :=_gbdg .RGBA ();_ageee [_cgaag ]=byte (_adde >>8);_cgaag ++;_ageee [_cgaag ]=byte (_badfb >>8);_cgaag ++;
_ageee [_cgaag ]=byte (_gaacb >>8);_cgaag ++;};};}else if _dcba .ColorComponents ==4{_caae ,_abedg :=_cdcg .(_fd .CMYK );if !_abedg {return nil ,_b .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");};_ageee [_cgaag ]=255-_caae .C &0xff;
_cgaag ++;_ageee [_cgaag ]=255-_caae .M &0xff;_cgaag ++;_ageee [_cgaag ]=255-_caae .Y &0xff;_cgaag ++;_ageee [_cgaag ]=255-_caae .K &0xff;_cgaag ++;};};};return _ageee ,nil ;};

// PdfIndirectObject represents the primitive PDF indirect object.
type PdfIndirectObject struct{PdfObjectReference ;PdfObject ;};func _ddc (_bgfe *_ga .StdEncryptDict ,_abe *PdfObjectDictionary ){_abe .Set ("\u0052",MakeInteger (int64 (_bgfe .R )));_abe .Set ("\u0050",MakeInteger (int64 (_bgfe .P )));_abe .Set ("\u004f",MakeStringFromBytes (_bgfe .O ));
_abe .Set ("\u0055",MakeStringFromBytes (_bgfe .U ));if _bgfe .R >=5{_abe .Set ("\u004f\u0045",MakeStringFromBytes (_bgfe .OE ));_abe .Set ("\u0055\u0045",MakeStringFromBytes (_bgfe .UE ));_abe .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_bgfe .EncryptMetadata ));
if _bgfe .R > 5{_abe .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_bgfe .Perms ));};};};

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

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

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

// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_agbd *PdfCrypt )GetAccessPermissions ()_ga .Permissions {return _agbd ._eef .P };

// 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 _fafb :=obj .(type ){case *PdfObjectFloat :return float64 (*_fafb ),nil ;case *PdfObjectInteger :return float64 (*_fafb ),nil ;};return 0,ErrNotANumber ;};

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

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

// GetEncryptObj returns the PdfIndirectObject which has information about the PDFs encryption details.
func (_gcae *PdfParser )GetEncryptObj ()*PdfIndirectObject {return _gcae ._acac };func (_bade *PdfParser )xrefNextObjectOffset (_ddgcb int64 )int64 {_bdeg :=int64 (0);if len (_bade ._aadbf .ObjectMap )==0{return 0;};if len (_bade ._aadbf ._ed )==0{_cdff :=0;
for _ ,_gcfd :=range _bade ._aadbf .ObjectMap {if _gcfd .Offset > 0{_cdff ++;};};if _cdff ==0{return 0;};_bade ._aadbf ._ed =make ([]XrefObject ,_cdff );_agfa :=0;for _ ,_cdcb :=range _bade ._aadbf .ObjectMap {if _cdcb .Offset > 0{_bade ._aadbf ._ed [_agfa ]=_cdcb ;
_agfa ++;};};_a .Slice (_bade ._aadbf ._ed ,func (_gcda ,_gagg int )bool {return _bade ._aadbf ._ed [_gcda ].Offset < _bade ._aadbf ._ed [_gagg ].Offset });};_aabcb :=_a .Search (len (_bade ._aadbf ._ed ),func (_faaa int )bool {return _bade ._aadbf ._ed [_faaa ].Offset >=_ddgcb });
if _aabcb < len (_bade ._aadbf ._ed ){_bdeg =_bade ._aadbf ._ed [_aabcb ].Offset ;};return _bdeg ;};func (_gcde *limitedReadSeeker )getError (_agcb int64 )error {switch {case _agcb < 0:return _fc .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",_agcb );
case _agcb > _gcde ._dacc :return _fc .Errorf ("u\u006e\u0065\u0078\u0070ec\u0074e\u0064\u0020\u006f\u0066\u0066s\u0065\u0074\u003a\u0020\u0025\u0064",_agcb );};return nil ;};

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

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_gfea *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _begb []byte ;_df .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_dgfa :=0;_bfe :=false ;for _dgfa < len (encoded )&&!_bfe {_dfd :=[5]byte {0,0,0,0,0};
_afca :=0;_gffb :=0;_bfdf :=4;for _gffb < 5+_afca {if _dgfa +_gffb ==len (encoded ){break ;};_ffff :=encoded [_dgfa +_gffb ];if IsWhiteSpace (_ffff ){_afca ++;_gffb ++;continue ;}else if _ffff =='~'&&_dgfa +_gffb +1< len (encoded )&&encoded [_dgfa +_gffb +1]=='>'{_bfdf =(_gffb -_afca )-1;
if _bfdf < 0{_bfdf =0;};_bfe =true ;break ;}else if _ffff >='!'&&_ffff <='u'{_ffff -='!';}else if _ffff =='z'&&_gffb -_afca ==0{_bfdf =4;_gffb ++;break ;}else {_df .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 ,_b .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_dfd [_gffb -_afca ]=_ffff ;_gffb ++;};_dgfa +=_gffb ;for _faga :=_bfdf +1;_faga < 5;_faga ++{_dfd [_faga ]=84;
};_cdbd :=uint32 (_dfd [0])*85*85*85*85+uint32 (_dfd [1])*85*85*85+uint32 (_dfd [2])*85*85+uint32 (_dfd [3])*85+uint32 (_dfd [4]);_fdec :=[]byte {byte ((_cdbd >>24)&0xff),byte ((_cdbd >>16)&0xff),byte ((_cdbd >>8)&0xff),byte (_cdbd &0xff)};_begb =append (_begb ,_fdec [:_bfdf ]...);
};_df .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_df .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_begb );
return _begb ,nil ;};

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

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

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

// DecodeBytes returns the passed in slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_efga *RawEncoder )DecodeBytes (encoded []byte )([]byte ,error ){return encoded ,nil };func (_eac *PdfCrypt )authenticate (_cfcd []byte )(bool ,error ){_eac ._edf =false ;_gbd :=_eac .securityHandler ();_eebd ,_edb ,_gadb :=_gbd .Authenticate (&_eac ._eef ,_cfcd );
if _gadb !=nil {return false ,_gadb ;}else if _edb ==0||len (_eebd )==0{return false ,nil ;};_eac ._edf =true ;_eac ._cbf =_eebd ;return true ,nil ;};func _faeg (_cadab ,_gaec ,_eaffe int )error {if _gaec < 0||_gaec > _cadab {return _b .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 _eaffe < _gaec {return _b .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0073\u006c\u0069\u0063e\u0020i\u006ed\u0065\u0078\u0020\u0062\u0020\u003c\u0020a");};if _eaffe > _cadab {return _b .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 ;};var _fgfg =_ec .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");

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

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_cgfc *RawEncoder )MakeDecodeParams ()PdfObject {return nil };func _bddb (_eefac PdfObject ,_ddbg int )PdfObject {if _ddbg > _gddf {_df .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",_gddf );
return MakeNull ();};switch _fdgdcg :=_eefac .(type ){case *PdfIndirectObject :_eefac =_bddb ((*_fdgdcg ).PdfObject ,_ddbg +1);case *PdfObjectArray :for _bgbb ,_gebbe :=range (*_fdgdcg )._eabbb {(*_fdgdcg )._eabbb [_bgbb ]=_bddb (_gebbe ,_ddbg +1);};case *PdfObjectDictionary :for _bfadd ,_ccce :=range (*_fdgdcg )._fffc {(*_fdgdcg )._fffc [_bfadd ]=_bddb (_ccce ,_ddbg +1);
};_a .Slice ((*_fdgdcg )._dedbc ,func (_gbbac ,_fcecd int )bool {return (*_fdgdcg )._dedbc [_gbbac ]< (*_fdgdcg )._dedbc [_fcecd ]});};return _eefac ;};

// MakeBool creates a PdfObjectBool from a bool value.
func MakeBool (val bool )*PdfObjectBool {_gbgc :=PdfObjectBool (val );return &_gbgc };const _eage =6;

// DecodeBytes decodes a slice of Flate encoded bytes and returns the result.
func (_dee *FlateEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_df .Log .Trace ("\u0046\u006c\u0061\u0074\u0065\u0044\u0065\u0063\u006f\u0064\u0065\u0020b\u0079\u0074\u0065\u0073");if len (encoded )==0{_df .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 ;};_cgg :=_fbe .NewReader (encoded );_gbge ,_eec :=_cce .NewReader (_cgg );if _eec !=nil {_df .Log .Debug ("\u0044e\u0063o\u0064\u0069\u006e\u0067\u0020e\u0072\u0072o\u0072\u0020\u0025\u0076\u000a",_eec );_df .Log .Debug ("\u0053t\u0072e\u0061\u006d\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (encoded ),encoded );
return nil ,_eec ;};defer _gbge .Close ();var _cege _fbe .Buffer ;_cege .ReadFrom (_gbge );return _cege .Bytes (),nil ;};func (_gadbb *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _gadbb ._eabee {return nil ,_fc .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");
};_gadbb ._eabee =true ;_gadbb ._eca .Seek (0,_fcb .SeekStart );_gadbb ._agge =_ega .NewReader (_gadbb ._eca );_edbdd :=20;_eccbb :=make ([]byte ,_edbdd );_febe :=XrefTable {};_febe .ObjectMap =make (map[int ]XrefObject );for {_ceff ,_aedca :=_gadbb ._agge .ReadByte ();
if _aedca !=nil {if _aedca ==_fcb .EOF {break ;}else {return nil ,_aedca ;};};if _ceff =='j'&&_eccbb [_edbdd -1]=='b'&&_eccbb [_edbdd -2]=='o'&&IsWhiteSpace (_eccbb [_edbdd -3]){_efdb :=_edbdd -4;for IsWhiteSpace (_eccbb [_efdb ])&&_efdb > 0{_efdb --;};
if _efdb ==0||!IsDecimalDigit (_eccbb [_efdb ]){continue ;};for IsDecimalDigit (_eccbb [_efdb ])&&_efdb > 0{_efdb --;};if _efdb ==0||!IsWhiteSpace (_eccbb [_efdb ]){continue ;};for IsWhiteSpace (_eccbb [_efdb ])&&_efdb > 0{_efdb --;};if _efdb ==0||!IsDecimalDigit (_eccbb [_efdb ]){continue ;
};for IsDecimalDigit (_eccbb [_efdb ])&&_efdb > 0{_efdb --;};if _efdb ==0{continue ;};_edfe :=_gadbb .GetFileOffset ()-int64 (_edbdd -_efdb );_bffb :=append (_eccbb [_efdb +1:],_ceff );_cfgb ,_cfbg ,_bdaf :=_abeg (string (_bffb ));if _bdaf !=nil {_df .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",_bdaf );
return nil ,_bdaf ;};if _dgab ,_geec :=_febe .ObjectMap [_cfgb ];!_geec ||_dgab .Generation < _cfbg {_fbcaf :=XrefObject {};_fbcaf .XType =XrefTypeTableEntry ;_fbcaf .ObjectNumber =_cfgb ;_fbcaf .Generation =_cfbg ;_fbcaf .Offset =_edfe ;_febe .ObjectMap [_cfgb ]=_fbcaf ;
};};_eccbb =append (_eccbb [1:_edbdd ],_ceff );};_gadbb ._caaf =nil ;return &_febe ,nil ;};

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_ccgcd Version ;_eca _fcb .ReadSeeker ;_agge *_ega .Reader ;_afdbc int64 ;_aadbf XrefTable ;_ddaf int64 ;_eccb *xrefType ;_gdcc objectStreams ;_dagg *PdfObjectDictionary ;_dcfef *PdfCrypt ;_acac *PdfIndirectObject ;_eabee bool ;ObjCache objectCache ;
_caaf map[int ]bool ;_egcb map[int64 ]bool ;_eeab ParserMetadata ;_fcce bool ;_ccfgd []int64 ;_fdad int ;_cfee bool ;_ebcba int64 ;_cefc map[*PdfParser ]*PdfParser ;_edeef []*PdfParser ;};

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

// 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 (_ebdga *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_acdg :=n ;_dcbec :=0;_gabf :=0;for _acdg > 0{_gfeg ,_ebad :=_ebdga ._agge .Read (p [_dcbec :]);if _ebad !=nil {_df .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",_gfeg ,_gabf ,_ebad .Error ());
return _dcbec ,_b .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_gabf ++;_dcbec +=_gfeg ;_acdg -=_gfeg ;};return _dcbec ,nil ;};

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

// 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 (_gaacc *PdfParser )CheckAccessRights (password []byte )(bool ,_ga .Permissions ,error ){if _gaacc ._dcfef ==nil {return true ,_ga .PermOwner ,nil ;};return _gaacc ._dcfef .checkAccessRights (password );};func (_bad *PdfCrypt )loadCryptFilters (_bbd *PdfObjectDictionary )error {_bad ._gce =cryptFilters {};
_fde :=_bbd .Get ("\u0043\u0046");_fde =TraceToDirectObject (_fde );if _gdae ,_fdg :=_fde .(*PdfObjectReference );_fdg {_fdb ,_fgdb :=_bad ._fgd .LookupByReference (*_gdae );if _fgdb !=nil {_df .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 _fgdb ;};_fde =TraceToDirectObject (_fdb );};_fgbd ,_efb :=_fde .(*PdfObjectDictionary );if !_efb {_df .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_fde );return _b .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");
};for _ ,_edce :=range _fgbd .Keys (){_dae :=_fgbd .Get (_edce );if _ccfg ,_cddf :=_dae .(*PdfObjectReference );_cddf {_dfb ,_efbc :=_bad ._fgd .LookupByReference (*_ccfg );if _efbc !=nil {_df .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 _efbc ;};_dae =TraceToDirectObject (_dfb );};_aee ,_bag :=_dae .(*PdfObjectDictionary );if !_bag {return _fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074\u0020\u0069\u006e \u0043\u0046\u0020\u0028\u006e\u0061\u006d\u0065\u0020\u0025\u0073\u0029\u0020-\u0020\u006e\u006f\u0074\u0020\u0061\u0020\u0064\u0069\u0063\u0074\u0069on\u0061\u0072\u0079\u0020\u0062\u0075\u0074\u0020\u0025\u0054",_edce ,_dae );
};if _edce =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_df .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 _cfc _cf .FilterDict ;if _faf :=_fbc (&_cfc ,_aee );_faf !=nil {return _faf ;};_ddd ,_aea :=_cf .NewFilter (_cfc );if _aea !=nil {return _aea ;};_bad ._gce [string (_edce )]=_ddd ;};_bad ._gce ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_cf .NewIdentity ();
_bad ._fbff ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _bfda ,_bgc :=_bbd .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_bgc {if _ ,_add :=_bad ._gce [string (*_bfda )];!_add {return _fc .Errorf ("\u0063\u0072\u0079\u0070t\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u0066o\u0072\u0020\u0053\u0074\u0072\u0046\u0020\u006e\u006f\u0074\u0020\u0073\u0070\u0065\u0063\u0069\u0066\u0069e\u0064\u0020\u0069\u006e\u0020C\u0046\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0020\u0028\u0025\u0073\u0029",*_bfda );
};_bad ._fbff =string (*_bfda );};_bad ._fed ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _bdea ,_aga :=_bbd .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_aga {if _ ,_cgd :=_bad ._gce [string (*_bdea )];!_cgd {return _fc .Errorf ("\u0063\u0072\u0079\u0070t\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u0066o\u0072\u0020\u0053\u0074\u006d\u0046\u0020\u006e\u006f\u0074\u0020\u0073\u0070\u0065\u0063\u0069\u0066\u0069e\u0064\u0020\u0069\u006e\u0020C\u0046\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0020\u0028\u0025\u0073\u0029",*_bdea );
};_bad ._fed =string (*_bdea );};return nil ;};

// String returns a string describing `d`.
func (_eaec *PdfObjectDictionary )String ()string {var _ecad _eb .Builder ;_ecad .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_daac :=range _eaec ._dedbc {_efcb :=_eaec ._fffc [_daac ];_ecad .WriteString ("\u0022"+_daac .String ()+"\u0022\u003a\u0020");
_ecad .WriteString (_efcb .String ());_ecad .WriteString ("\u002c\u0020");};_ecad .WriteString ("\u0029");return _ecad .String ();};

// 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 (_bcbda *PdfParser )IsEncrypted ()(bool ,error ){if _bcbda ._dcfef !=nil {return true ,nil ;}else if _bcbda ._dagg ==nil {return false ,nil ;};_df .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");
_bgecg :=_bcbda ._dagg .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _bgecg ==nil {return false ,nil ;};_df .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_dccg *PdfObjectDictionary ;);switch _aaacc :=_bgecg .(type ){case *PdfObjectDictionary :_dccg =_aaacc ;
case *PdfObjectReference :_df .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_aaacc );_fgbdd ,_efee :=_bcbda .LookupByReference (*_aaacc );_df .Log .Trace ("\u0031\u003a\u0020%\u0071",_fgbdd );
if _efee !=nil {return false ,_efee ;};_gabgc ,_ffegg :=_fgbdd .(*PdfIndirectObject );if !_ffegg {_df .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 ,_b .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_aadbg ,_ffegg :=_gabgc .PdfObject .(*PdfObjectDictionary );_bcbda ._acac =_gabgc ;_df .Log .Trace ("\u0032\u003a\u0020%\u0071",_aadbg );
if !_ffegg {return false ,_b .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");};_dccg =_aadbg ;
case *PdfObjectNull :_df .Log .Debug ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074 \u0069\u0073\u0020a\u0020\u006e\u0075l\u006c\u0020o\u0062\u006a\u0065\u0063\u0074\u002e \u0046il\u0065\u0020\u0073\u0068\u006f\u0075\u006c\u0064\u0020\u006e\u006f\u0074\u0020\u0062\u0065\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u002e");
return false ,nil ;default:return false ,_fc .Errorf ("u\u006es\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0074\u0079\u0070\u0065: \u0025\u0054",_aaacc );};_dggf ,_adab :=PdfCryptNewDecrypt (_bcbda ,_dccg ,_bcbda ._dagg );if _adab !=nil {return false ,_adab ;
};for _ ,_eafea :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_deea :=_bcbda ._dagg .Get (PdfObjectName (_eafea ));if _deea ==nil {continue ;};switch _dgfcd :=_deea .(type ){case *PdfObjectReference :_dggf ._fca [int (_dgfcd .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_dggf ._ae [_dgfcd ]=true ;_dggf ._fca [int (_dgfcd .ObjectNumber )]=struct{}{};};};_bcbda ._dcfef =_dggf ;_df .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_dggf );
return true ,nil ;};

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

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

// 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 )(_faeag *PdfObjectDictionary ,_bfgbf bool ){_faeag ,_bfgbf =TraceToDirectObject (obj ).(*PdfObjectDictionary );return _faeag ,_bfgbf ;};func (_gcc *PdfCrypt )saveCryptFilters (_dafe *PdfObjectDictionary )error {if _gcc ._edcd .V < 4{return _b .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");
};_caea :=MakeDict ();_dafe .Set ("\u0043\u0046",_caea );for _bdc ,_fgeg :=range _gcc ._gce {if _bdc =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_ceac :=_fcac (_fgeg ,"");_caea .Set (PdfObjectName (_bdc ),_ceac );};_dafe .Set ("\u0053\u0074\u0072\u0046",MakeName (_gcc ._fbff ));
_dafe .Set ("\u0053\u0074\u006d\u0046",MakeName (_gcc ._fed ));return nil ;};

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

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

// MakeArrayFromIntegers creates an PdfObjectArray from a slice of ints, where each array element is
// an PdfObjectInteger.
func MakeArrayFromIntegers (vals []int )*PdfObjectArray {_eabbg :=MakeArray ();for _ ,_fcbdf :=range vals {_eabbg .Append (MakeInteger (int64 (_fcbdf )));};return _eabbg ;};func _bdfc (_ccea *PdfObjectStream ,_abdb *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _cbdab ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";
_baba :=NewJBIG2Encoder ();_gbbe :=_ccea .PdfObjectDictionary ;if _gbbe ==nil {return _baba ,nil ;};if _abdb ==nil {_eaabb :=_gbbe .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _eaabb !=nil {switch _dfbe :=_eaabb .(type ){case *PdfObjectDictionary :_abdb =_dfbe ;
case *PdfObjectArray :if _dfbe .Len ()==1{if _gdeg ,_fadee :=GetDict (_dfbe .Get (0));_fadee {_abdb =_gdeg ;};};default:_df .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",_eaabb );
return nil ,_de .Errorf (_cbdab ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_dfbe );};};};if _abdb ==nil {return _baba ,nil ;};_baba .UpdateParams (_abdb );
_fgcc ,_abcg :=GetStream (_abdb .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_abcg {return _baba ,nil ;};var _ggeb error ;_baba .Globals ,_ggeb =_cbd .DecodeGlobals (_fgcc .Stream );if _ggeb !=nil {_ggeb =_de .Wrap (_ggeb ,_cbdab ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_df .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_ggeb );return nil ,_ggeb ;};return _baba ,nil ;};func (_ecgb *offsetReader )Read (p []byte )(_gfa int ,_fgac error ){return _ecgb ._bfdba .Read (p )};

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

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

// PdfCryptNewDecrypt makes the document crypt handler based on the encryption dictionary
// and trailer dictionary. Returns an error on failure to process.
func PdfCryptNewDecrypt (parser *PdfParser ,ed ,trailer *PdfObjectDictionary )(*PdfCrypt ,error ){_cbe :=&PdfCrypt {_edf :false ,_ae :make (map[PdfObject ]bool ),_aed :make (map[PdfObject ]bool ),_fca :make (map[int ]struct{}),_fgd :parser };_db ,_cga :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_cga {_df .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 _cbe ,_b .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 *_db !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_df .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",*_db );
return _cbe ,_b .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_cbe ._edcd .Filter =string (*_db );if _eaa ,_dbb :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_dbb {_cbe ._edcd .SubFilter =_eaa .Str ();
_df .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_eaa );};if L ,_fdf :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_fdf {if (*L %8)!=0{_df .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 _cbe ,_b .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_cbe ._edcd .Length =int (*L );}else {_cbe ._edcd .Length =40;};_cbe ._edcd .V =0;if _eee ,_bgd :=ed .Get ("\u0056").(*PdfObjectInteger );
_bgd {V :=int (*_eee );_cbe ._edcd .V =V ;if V >=1&&V <=2{_cbe ._gce =_gfc (_cbe ._edcd .Length );}else if V >=4&&V <=5{if _dca :=_cbe .loadCryptFilters (ed );_dca !=nil {return _cbe ,_dca ;};}else {_df .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 _cbe ,_b .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _fbcc :=_ggf (&_cbe ._eef ,ed );_fbcc !=nil {return _cbe ,_fbcc ;};_gef :="";if _bceb ,_dbbb :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_dbbb &&_bceb .Len ()>=1{_gbb ,_gbbd :=GetString (_bceb .Get (0));if !_gbbd {return _cbe ,_b .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_gef =_gbb .Str ();}else {_df .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");
};_cbe ._ced =_gef ;return _cbe ,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 )(_cfddd *PdfObjectArray ,_gbc bool ){_cfddd ,_gbc =TraceToDirectObject (obj ).(*PdfObjectArray );return _cfddd ,_gbc ;};func _cecgf (_edfb *PdfObjectStream )(*MultiEncoder ,error ){_gbbag :=NewMultiEncoder ();_cgdd :=_edfb .PdfObjectDictionary ;
if _cgdd ==nil {return _gbbag ,nil ;};var _eeec *PdfObjectDictionary ;var _bgec []PdfObject ;_agbgg :=_cgdd .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _agbgg !=nil {_dddd ,_cggb :=_agbgg .(*PdfObjectDictionary );if _cggb {_eeec =_dddd ;
};_dceb ,_bgfa :=_agbgg .(*PdfObjectArray );if _bgfa {for _ ,_abec :=range _dceb .Elements (){_abec =TraceToDirectObject (_abec );if _fdgc ,_fbcf :=_abec .(*PdfObjectDictionary );_fbcf {_bgec =append (_bgec ,_fdgc );}else {_bgec =append (_bgec ,MakeDict ());
};};};};_agbgg =_cgdd .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");if _agbgg ==nil {return nil ,_fc .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");};_fdc ,_fcbd :=_agbgg .(*PdfObjectArray );if !_fcbd {return nil ,_fc .Errorf ("m\u0075\u006c\u0074\u0069\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u0063\u0061\u006e\u0020\u006f\u006el\u0079\u0020\u0062\u0065\u0020\u006d\u0061\u0064\u0065\u0020fr\u006f\u006d\u0020a\u0072r\u0061\u0079");
};for _degc ,_bbab :=range _fdc .Elements (){_bdag ,_gae :=_bbab .(*PdfObjectName );if !_gae {return nil ,_fc .Errorf ("\u006d\u0075l\u0074\u0069\u0020\u0066i\u006c\u0074e\u0072\u0020\u0061\u0072\u0072\u0061\u0079\u0020e\u006c\u0065\u006d\u0065\u006e\u0074\u0020\u006e\u006f\u0074\u0020\u0061 \u006e\u0061\u006d\u0065");
};var _fcge PdfObject ;if _eeec !=nil {_fcge =_eeec ;}else {if len (_bgec )> 0{if _degc >=len (_bgec ){return nil ,_fc .Errorf ("\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0020\u0065\u006c\u0065\u006d\u0065n\u0074\u0073\u0020\u0069\u006e\u0020d\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006d\u0073\u0020a\u0072\u0072\u0061\u0079");
};_fcge =_bgec [_degc ];};};var _bfcf *PdfObjectDictionary ;if _gcf ,_bdab :=_fcge .(*PdfObjectDictionary );_bdab {_bfcf =_gcf ;};_df .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",*_bdag ,_fcge ,_bfcf );
if *_bdag ==StreamEncodingFilterNameFlate {_dfaa ,_dgda :=_cgcg (_edfb ,_bfcf );if _dgda !=nil {return nil ,_dgda ;};_gbbag .AddEncoder (_dfaa );}else if *_bdag ==StreamEncodingFilterNameLZW {_fbbd ,_babg :=_gfbe (_edfb ,_bfcf );if _babg !=nil {return nil ,_babg ;
};_gbbag .AddEncoder (_fbbd );}else if *_bdag ==StreamEncodingFilterNameASCIIHex {_gccd :=NewASCIIHexEncoder ();_gbbag .AddEncoder (_gccd );}else if *_bdag ==StreamEncodingFilterNameASCII85 {_gdgab :=NewASCII85Encoder ();_gbbag .AddEncoder (_gdgab );}else if *_bdag ==StreamEncodingFilterNameDCT {_dba ,_ffgd :=_dbdd (_edfb ,_gbbag );
if _ffgd !=nil {return nil ,_ffgd ;};_gbbag .AddEncoder (_dba );_df .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_df .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_gbbag );
}else if *_bdag ==StreamEncodingFilterNameCCITTFax {_cfbc ,_dcbb :=_dfea (_edfb ,_bfcf );if _dcbb !=nil {return nil ,_dcbb ;};_gbbag .AddEncoder (_cfbc );}else {_df .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_bdag );
return nil ,_fc .Errorf ("\u0069\u006eva\u006c\u0069\u0064 \u0066\u0069\u006c\u0074er \u0069n \u006d\u0075\u006c\u0074\u0069\u0020\u0066il\u0074\u0065\u0072\u0020\u0061\u0072\u0072a\u0079");};};return _gbbag ,nil ;};

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

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

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

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

// UpdateParams updates the parameter values of the encoder.
func (_bcf *FlateEncoder )UpdateParams (params *PdfObjectDictionary ){_ade ,_dbg :=GetNumberAsInt64 (params .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr"));if _dbg ==nil {_bcf .Predictor =int (_ade );};_eegc ,_dbg :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));
if _dbg ==nil {_bcf .BitsPerComponent =int (_eegc );};_cgf ,_dbg :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));if _dbg ==nil {_bcf .Columns =int (_cgf );};_cbcg ,_dbg :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));
if _dbg ==nil {_bcf .Colors =int (_cbcg );};};func (_cba *PdfParser )lookupByNumberWrapper (_cg int ,_edd bool )(PdfObject ,bool ,error ){_ffd ,_bce ,_fac :=_cba .lookupByNumber (_cg ,_edd );if _fac !=nil {return nil ,_bce ,_fac ;};if !_bce &&_cba ._dcfef !=nil &&_cba ._dcfef ._edf &&!_cba ._dcfef .isDecrypted (_ffd ){_abd :=_cba ._dcfef .Decrypt (_ffd ,0,0);
if _abd !=nil {return nil ,_bce ,_abd ;};};return _ffd ,_bce ,nil ;};

// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_fd .Model ;Bounds ()_af .Rectangle ;At (_acb ,_abdg int )_fd .Color ;Set (_aefca ,_gbf int ,_fdaa _fd .Color );};

// GetFilterName returns the name of the encoding filter.
func (_fbaf *ASCII85Encoder )GetFilterName ()string {return StreamEncodingFilterNameASCII85 };func (_egce *PdfParser )seekToEOFMarker (_egfb int64 )error {var _bbbb int64 ;var _agfc int64 =2048;for _bbbb < _egfb -4{if _egfb <=(_agfc +_bbbb ){_agfc =_egfb -_bbbb ;
};_ ,_eebed :=_egce ._eca .Seek (_egfb -_bbbb -_agfc ,_fcb .SeekStart );if _eebed !=nil {return _eebed ;};_dced :=make ([]byte ,_agfc );_egce ._eca .Read (_dced );_df .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 (_dced ));
_gfbf :=_bbecb .FindAllStringIndex (string (_dced ),-1);if _gfbf !=nil {_dcea :=_gfbf [len (_gfbf )-1];_df .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_gfbf );_fggf :=_egfb -_bbbb -_agfc +int64 (_dcea [0]);_egce ._eca .Seek (_fggf ,_fcb .SeekStart );
return nil ;};_df .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");
_bbbb +=_agfc -4;};_df .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 _babe ;};

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

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_gdg *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_dcaa :=_fbe .NewReader (data );var _cbfbc []byte ;var _bcgf []byte ;_fbb ,_agdb :=_dcaa .ReadByte ();if _agdb ==_fcb .EOF {return []byte {},nil ;}else if _agdb !=nil {return nil ,_agdb ;
};_bfb :=1;for {_cead ,_bcafc :=_dcaa .ReadByte ();if _bcafc ==_fcb .EOF {break ;}else if _bcafc !=nil {return nil ,_bcafc ;};if _cead ==_fbb {if len (_bcgf )> 0{_bcgf =_bcgf [:len (_bcgf )-1];if len (_bcgf )> 0{_cbfbc =append (_cbfbc ,byte (len (_bcgf )-1));
_cbfbc =append (_cbfbc ,_bcgf ...);};_bfb =1;_bcgf =[]byte {};};_bfb ++;if _bfb >=127{_cbfbc =append (_cbfbc ,byte (257-_bfb ),_fbb );_bfb =0;};}else {if _bfb > 0{if _bfb ==1{_bcgf =[]byte {_fbb };}else {_cbfbc =append (_cbfbc ,byte (257-_bfb ),_fbb );
};_bfb =0;};_bcgf =append (_bcgf ,_cead );if len (_bcgf )>=127{_cbfbc =append (_cbfbc ,byte (len (_bcgf )-1));_cbfbc =append (_cbfbc ,_bcgf ...);_bcgf =[]byte {};};};_fbb =_cead ;};if len (_bcgf )> 0{_cbfbc =append (_cbfbc ,byte (len (_bcgf )-1));_cbfbc =append (_cbfbc ,_bcgf ...);
}else if _bfb > 0{_cbfbc =append (_cbfbc ,byte (257-_bfb ),_fbb );};_cbfbc =append (_cbfbc ,128);return _cbfbc ,nil ;};

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

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

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

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

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

// SetFileOffset sets the file to an offset position and resets buffer.
func (_eaage *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_eaage ._eca .Seek (offset ,_fcb .SeekStart );_eaage ._agge =_ega .NewReader (_eaage ._eca );};

// NewDCTEncoder makes a new DCT encoder with default parameters.
func NewDCTEncoder ()*DCTEncoder {_befb :=&DCTEncoder {};_befb .ColorComponents =3;_befb .BitsPerComponent =8;_befb .Quality =DefaultJPEGQuality ;return _befb ;};type objectStream struct{N int ;_ebe []byte ;_bc map[int ]int64 ;};func (_eabbd *PdfParser )resolveReference (_badc *PdfObjectReference )(PdfObject ,bool ,error ){_dfda ,_fced :=_eabbd .ObjCache [int (_badc .ObjectNumber )];
if _fced {return _dfda ,true ,nil ;};_fedee ,_ggdf :=_eabbd .LookupByReference (*_badc );if _ggdf !=nil {return nil ,false ,_ggdf ;};_eabbd .ObjCache [int (_badc .ObjectNumber )]=_fedee ;return _fedee ,false ,nil ;};

// DecodeStream decodes the stream data and returns the decoded data.
// An error is returned upon failure.
func DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_df .Log .Trace ("\u0044\u0065\u0063\u006f\u0064\u0065\u0020\u0073\u0074\u0072\u0065\u0061\u006d");_dcbc ,_eccf :=NewEncoderFromStream (streamObj );if _eccf !=nil {_df .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",_eccf );
return nil ,_eccf ;};_df .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u0023\u0076\u000a",_dcbc );_cccf ,_eccf :=_dcbc .DecodeStream (streamObj );if _eccf !=nil {_df .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",_eccf );
return nil ,_eccf ;};return _cccf ,nil ;};func _gdfgc (_fecg PdfObject )(*float64 ,error ){switch _bbef :=_fecg .(type ){case *PdfObjectFloat :_gbgeb :=float64 (*_bbef );return &_gbgeb ,nil ;case *PdfObjectInteger :_bafa :=float64 (*_bbef );return &_bafa ,nil ;
case *PdfObjectNull :return nil ,nil ;};return nil ,ErrNotANumber ;};func (_dfa *PdfCrypt )decryptBytes (_dcfc []byte ,_dde string ,_dec []byte )([]byte ,error ){_df .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_beea ,_dfad :=_dfa ._gce [_dde ];if !_dfad {return nil ,_fc .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_dde );};return _beea .DecryptBytes (_dcfc ,_dec );};

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

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_gdbc :=_fbe .NewReader ([]byte (txt ));_afdg :=&PdfParser {ObjCache :objectCache {},_eca :_gdbc ,_agge :_ega .NewReader (_gdbc ),_afdbc :int64 (len (txt )),_egcb :map[int64 ]bool {},_cefc :make (map[*PdfParser ]*PdfParser )};
_afdg ._aadbf .ObjectMap =make (map[int ]XrefObject );return _afdg ;};

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

// Get returns the i-th element of the array or nil if out of bounds (by index).
func (_feffd *PdfObjectArray )Get (i int )PdfObject {if _feffd ==nil ||i >=len (_feffd ._eabbb )||i < 0{return nil ;};return _feffd ._eabbb [i ];};func _gfc (_aagd int )cryptFilters {return cryptFilters {_cab :_cf .NewFilterV2 (_aagd )}};

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_dgaa *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_df .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_df .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_dgaa .Predictor );
_ddda ,_gbe :=_dgaa .DecodeBytes (streamObj .Stream );if _gbe !=nil {return nil ,_gbe ;};_df .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_df .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_ddda ),_ddda );
if _dgaa .Predictor > 1{if _dgaa .Predictor ==2{_df .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_caad :=_dgaa .Columns *_dgaa .Colors ;if _caad < 1{return []byte {},nil ;};_ddf :=len (_ddda )/_caad ;if len (_ddda )%_caad !=0{_df .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020T\u0049\u0046\u0046 \u0065\u006e\u0063\u006fd\u0069\u006e\u0067\u003a\u0020\u0049\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u002e\u002e\u002e");
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077 \u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064/\u0025\u0064\u0029",len (_ddda ),_caad );};if _caad %_dgaa .Colors !=0{return nil ,_fc .Errorf ("\u0069\u006ev\u0061\u006c\u0069\u0064 \u0072\u006fw\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u0020(\u0025\u0064\u0029\u0020\u0066\u006f\u0072\u0020\u0063\u006f\u006c\u006fr\u0073\u0020\u0025\u0064",_caad ,_dgaa .Colors );
};if _caad > len (_ddda ){_df .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",_caad ,len (_ddda ));
return nil ,_b .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_df .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_ddda ),_ddda );
_ffb :=_fbe .NewBuffer (nil );for _dbf :=0;_dbf < _ddf ;_dbf ++{_badf :=_ddda [_caad *_dbf :_caad *(_dbf +1)];for _bcaf :=_dgaa .Colors ;_bcaf < _caad ;_bcaf ++{_badf [_bcaf ]=byte (int (_badf [_bcaf ]+_badf [_bcaf -_dgaa .Colors ])%256);};_ffb .Write (_badf );
};_effc :=_ffb .Bytes ();_df .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_effc ),_effc );return _effc ,nil ;}else if _dgaa .Predictor >=10&&_dgaa .Predictor <=15{_df .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_bbg :=_dgaa .Columns *_dgaa .Colors +1;if _bbg < 1{return []byte {},nil ;};_bdca :=len (_ddda )/_bbg ;if len (_ddda )%_bbg !=0{return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077 \u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064/\u0025\u0064\u0029",len (_ddda ),_bbg );
};if _bbg > len (_ddda ){_df .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",_bbg ,len (_ddda ));
return nil ,_b .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ceca :=_fbe .NewBuffer (nil );_df .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_dgaa .Columns );
_df .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_ddda ),_bbg ,_bdca );_fafc :=make ([]byte ,_bbg );for _cggd :=0;_cggd < _bbg ;_cggd ++{_fafc [_cggd ]=0;};
for _dabb :=0;_dabb < _bdca ;_dabb ++{_gccf :=_ddda [_bbg *_dabb :_bbg *(_dabb +1)];_cadc :=_gccf [0];switch _cadc {case 0:case 1:for _gbbda :=2;_gbbda < _bbg ;_gbbda ++{_gccf [_gbbda ]=byte (int (_gccf [_gbbda ]+_gccf [_gbbda -1])%256);};case 2:for _cfe :=1;
_cfe < _bbg ;_cfe ++{_gccf [_cfe ]=byte (int (_gccf [_cfe ]+_fafc [_cfe ])%256);};default:_df .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",_cadc );
return nil ,_fc .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_cadc );};for _dda :=0;_dda < _bbg ;_dda ++{_fafc [_dda ]=_gccf [_dda ];};_ceca .Write (_gccf [1:]);
};_aeee :=_ceca .Bytes ();return _aeee ,nil ;}else {_df .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",_dgaa .Predictor );
return nil ,_fc .Errorf ("\u0075\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0070\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020(\u0025\u0064\u0029",_dgaa .Predictor );};};return _ddda ,nil ;};

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

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

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_cccd *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_cccd ._ggdaa .Lock ();defer _cccd ._ggdaa .Unlock ();_begbc ,_fbca :=_cccd ._fffc [key ];if !_fbca {return nil ;};return _begbc ;};

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

// GetFilterName returns the name of the encoding filter.
func (_ebbee *ASCIIHexEncoder )GetFilterName ()string {return StreamEncodingFilterNameASCIIHex };func (_gdfd *PdfParser )parseName ()(PdfObjectName ,error ){var _bdgd _fbe .Buffer ;_gddc :=false ;for {_egba ,_caeg :=_gdfd ._agge .Peek (1);if _caeg ==_fcb .EOF {break ;
};if _caeg !=nil {return PdfObjectName (_bdgd .String ()),_caeg ;};if !_gddc {if _egba [0]=='/'{_gddc =true ;_gdfd ._agge .ReadByte ();}else if _egba [0]=='%'{_gdfd .readComment ();_gdfd .skipSpaces ();}else {_df .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",_egba ,_egba );
return PdfObjectName (_bdgd .String ()),_fc .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_egba [0]);};}else {if IsWhiteSpace (_egba [0]){break ;}else if (_egba [0]=='/')||(_egba [0]=='[')||(_egba [0]=='(')||(_egba [0]==']')||(_egba [0]=='<')||(_egba [0]=='>'){break ;
}else if _egba [0]=='#'{_gede ,_gfgad :=_gdfd ._agge .Peek (3);if _gfgad !=nil {return PdfObjectName (_bdgd .String ()),_gfgad ;};_fbcce ,_gfgad :=_eg .DecodeString (string (_gede [1:3]));if _gfgad !=nil {_df .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");
_bdgd .WriteByte ('#');_gdfd ._agge .Discard (1);continue ;};_gdfd ._agge .Discard (3);_bdgd .Write (_fbcce );}else {_ecde ,_ :=_gdfd ._agge .ReadByte ();_bdgd .WriteByte (_ecde );};};};return PdfObjectName (_bdgd .String ()),nil ;};func (_fcg *PdfParser )lookupByNumber (_gcd int ,_ba bool )(PdfObject ,bool ,error ){_gac ,_bba :=_fcg .ObjCache [_gcd ];
if _bba {_df .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",_gcd );return _gac ,false ,nil ;};if _fcg ._caaf ==nil {_fcg ._caaf =map[int ]bool {};
};if _fcg ._caaf [_gcd ]{_df .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",_gcd );
return nil ,false ,_b .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");};_fcg ._caaf [_gcd ]=true ;defer delete (_fcg ._caaf ,_gcd );
_ce ,_bba :=_fcg ._aadbf .ObjectMap [_gcd ];if !_bba {_df .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 _afc PdfObjectNull ;return &_afc ,false ,nil ;};_df .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_gcd );if _ce .XType ==XrefTypeTableEntry {_df .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_ce .ObjectNumber );
_df .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_ce .Generation );_df .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_ce .Offset );_fcg ._eca .Seek (_ce .Offset ,_fcb .SeekStart );
_fcg ._agge =_ega .NewReader (_fcg ._eca );_cfa ,_ad :=_fcg .ParseIndirectObject ();if _ad !=nil {_df .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",_ad );
if _ba {_df .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");_adc ,_be :=_fcg .repairRebuildXrefsTopDown ();
if _be !=nil {_df .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_be );return nil ,false ,_be ;};_fcg ._aadbf =*_adc ;return _fcg .lookupByNumber (_gcd ,false );
};return nil ,false ,_ad ;};if _ba {_acg ,_ ,_ :=_bcg (_cfa );if int (_acg )!=_gcd {_df .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_ea :=_fcg .rebuildXrefTable ();
if _ea !=nil {return nil ,false ,_ea ;};_fcg .ObjCache =objectCache {};return _fcg .lookupByNumberWrapper (_gcd ,false );};};_df .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_fcg .ObjCache [_gcd ]=_cfa ;
return _cfa ,false ,nil ;}else if _ce .XType ==XrefTypeObjectStream {_df .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_df .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_df .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",_ce .OsObjNumber ,_ce .OsObjIndex );
if _ce .OsObjNumber ==_gcd {_df .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 ,_b .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_bga :=_fcg ._aadbf .ObjectMap [_ce .OsObjNumber ];_bga {_cbc ,_edc :=_fcg .lookupObjectViaOS (_ce .OsObjNumber ,_gcd );if _edc !=nil {_df .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_edc );
return nil ,true ,_edc ;};_df .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_fcg .ObjCache [_gcd ]=_cbc ;if _fcg ._dcfef !=nil {_fcg ._dcfef ._ae [_cbc ]=true ;};return _cbc ,true ,nil ;};_df .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 ,_b .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 ,_b .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

// 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 (_bgecb *PdfObjectArray )ToIntegerArray ()([]int ,error ){var _cegec []int ;for _ ,_acda :=range _bgecb .Elements (){if _cdfb ,_bdde :=_acda .(*PdfObjectInteger );_bdde {_cegec =append (_cegec ,int (*_cdfb ));}else {return nil ,ErrTypeError ;};};return _cegec ,nil ;
};

// UpdateParams updates the parameter values of the encoder.
func (_daa *DCTEncoder )UpdateParams (params *PdfObjectDictionary ){_bbcgd ,_efdeb :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));if _efdeb ==nil {_daa .ColorComponents =int (_bbcgd );
};_dabg ,_efdeb :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));if _efdeb ==nil {_daa .BitsPerComponent =int (_dabg );};_dfaeg ,_efdeb :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));
if _efdeb ==nil {_daa .Width =int (_dfaeg );};_fda ,_efdeb :=GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));if _efdeb ==nil {_daa .Height =int (_fda );};_feaag ,_efdeb :=GetNumberAsInt64 (params .Get ("\u0051u\u0061\u006c\u0069\u0074\u0079"));
if _efdeb ==nil {_daa .Quality =int (_feaag );};};func (_ccfd *JBIG2Encoder )encodeImage (_dagc _af .Image )([]byte ,error ){const _gdagc ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";_aagda ,_bddc :=GoImageToJBIG2 (_dagc ,JB2ImageAutoThreshold );
if _bddc !=nil {return nil ,_de .Wrap (_bddc ,_gdagc ,"\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 _bddc =_ccfd .AddPageImage (_aagda ,&_ccfd .DefaultPageSettings );
_bddc !=nil {return nil ,_de .Wrap (_bddc ,_gdagc ,"");};return _ccfd .Encode ();};

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

// Validate validates the page settings for the JBIG2 encoder.
func (_bcec JBIG2EncoderSettings )Validate ()error {const _dcbd ="\u0076a\u006ci\u0064\u0061\u0074\u0065\u0045\u006e\u0063\u006f\u0064\u0065\u0072";if _bcec .Threshold < 0||_bcec .Threshold > 1.0{return _de .Errorf (_dcbd ,"\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",_bcec .Threshold );
};if _bcec .ResolutionX < 0{return _de .Errorf (_dcbd ,"\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",_bcec .ResolutionX );
};if _bcec .ResolutionY < 0{return _de .Errorf (_dcbd ,"\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",_bcec .ResolutionY );
};if _bcec .DefaultPixelValue !=0&&_bcec .DefaultPixelValue !=1{return _de .Errorf (_dcbd ,"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}",_bcec .DefaultPixelValue );
};if _bcec .Compression !=JB2Generic {return _de .Errorf (_dcbd ,"\u0070\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0063\u006fm\u0070\u0072\u0065\u0073s\u0069\u006f\u006e\u0020\u0069\u0073\u0020\u006e\u006f\u0074\u0020\u0069\u006d\u0070\u006c\u0065\u006d\u0065\u006e\u0074\u0065\u0064\u0020\u0079\u0065\u0074");
};return nil ;};

// String returns a string describing `array`.
func (_bgcf *PdfObjectArray )String ()string {_cgbf :="\u005b";for _ebeda ,_beac :=range _bgcf .Elements (){_cgbf +=_beac .String ();if _ebeda < (_bgcf .Len ()-1){_cgbf +="\u002c\u0020";};};_cgbf +="\u005d";return _cgbf ;};func (_egcf *PdfParser )rebuildXrefTable ()error {_bgbd :=XrefTable {};
_bgbd .ObjectMap =map[int ]XrefObject {};_cdce :=make ([]int ,0,len (_egcf ._aadbf .ObjectMap ));for _ecea :=range _egcf ._aadbf .ObjectMap {_cdce =append (_cdce ,_ecea );};_a .Ints (_cdce );for _ ,_bgce :=range _cdce {_bgcfg :=_egcf ._aadbf .ObjectMap [_bgce ];
_ecdd ,_ ,_ecddd :=_egcf .lookupByNumberWrapper (_bgce ,false );if _ecddd !=nil {_df .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",_ecddd );
_df .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");
_feffc ,_cbdf :=_egcf .repairRebuildXrefsTopDown ();if _cbdf !=nil {_df .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",_cbdf );
return _cbdf ;};_egcf ._aadbf =*_feffc ;_df .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_cded ,_edbac ,_ecddd :=_bcg (_ecdd );if _ecddd !=nil {return _ecddd ;
};_bgcfg .ObjectNumber =int (_cded );_bgcfg .Generation =int (_edbac );_bgbd .ObjectMap [int (_cded )]=_bgcfg ;};_egcf ._aadbf =_bgbd ;_df .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");_baa (_egcf ._aadbf );
return nil ;};func (_fedf *PdfParser )checkPostEOFData ()error {const _fabe ="\u0025\u0025\u0045O\u0046";_ ,_ebeg :=_fedf ._eca .Seek (-int64 (len ([]byte (_fabe )))-1,_fcb .SeekEnd );if _ebeg !=nil {return _ebeg ;};_fecb :=make ([]byte ,len ([]byte (_fabe ))+1);
_ ,_ebeg =_fedf ._eca .Read (_fecb );if _ebeg !=nil {if _ebeg !=_fcb .EOF {return _ebeg ;};};if string (_fecb )==_fabe ||string (_fecb )==_fabe +"\u000a"{_fedf ._eeab ._eff =true ;};return 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";);

// 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 _fcb .ReadSeeker )(_fad *PdfParser ,_faad error ){_fad =&PdfParser {_eca :rs ,ObjCache :make (objectCache ),_egcb :map[int64 ]bool {},_fcce :true ,_cefc :make (map[*PdfParser ]*PdfParser )};if _faad =_fad .parseDetailedHeader ();
_faad !=nil {return nil ,_faad ;};if _fad ._dagg ,_faad =_fad .loadXrefs ();_faad !=nil {_df .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",_faad );
return nil ,_faad ;};_df .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_fad ._dagg );if len (_fad ._aadbf .ObjectMap )==0{return nil ,_fc .Errorf ("\u0065\u006d\u0070\u0074\u0079\u0020\u0058\u0052\u0045\u0046\u0020t\u0061\u0062\u006c\u0065\u0020\u002d\u0020\u0049\u006e\u0076a\u006c\u0069\u0064");
};return _fad ,nil ;};

// GetFilterName returns the name of the encoding filter.
func (_bada *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 )(_gdcaa *PdfObjectString ,_daaac bool ){_gdcaa ,_daaac =TraceToDirectObject (obj ).(*PdfObjectString );return _gdcaa ,_daaac ;};

// 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 (_aec *JBIG2Encoder )DecodeImages (encoded []byte )([]_af .Image ,error ){const _dfbc ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_gcgd ,_gefa :=_fe .Decode (encoded ,_fe .Parameters {},_aec .Globals .ToDocumentGlobals ());
if _gefa !=nil {return nil ,_de .Wrap (_gefa ,_dfbc ,"");};_fegb ,_gefa :=_gcgd .PageNumber ();if _gefa !=nil {return nil ,_de .Wrap (_gefa ,_dfbc ,"");};_edef :=[]_af .Image {};var _fdgcb _af .Image ;for _ffgg :=1;_ffgg <=_fegb ;_ffgg ++{_fdgcb ,_gefa =_gcgd .DecodePageImage (_ffgg );
if _gefa !=nil {return nil ,_de .Wrapf (_gefa ,_dfbc ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_ffgg );};_edef =append (_edef ,_fdgcb );};return _edef ,nil ;};func (_cee *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_abeb :=MakeDict ();
_abeb .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));_abeb .Set ("\u0056",MakeInteger (int64 (_cee ._edcd .V )));_abeb .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_cee ._edcd .Length )));
return _abeb ;};

// DCTEncoder provides a DCT (JPG) encoding/decoding functionality for images.
type DCTEncoder struct{ColorComponents int ;BitsPerComponent int ;Width int ;Height int ;Quality int ;};var _bbecb =_ec .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");

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

// ASCII85Encoder implements ASCII85 encoder/decoder.
type ASCII85Encoder struct{};func (_fdaf *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_fdaf ._agge )};const (_ggda =0;_bged =1;_cad =2;_ecec =3;_eefa =4;);

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_ege *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_aeae :=MakeDict ();_aeae .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_ege .GetFilterArray ());for _ ,_aede :=range _ege ._afec {_afae :=_aede .MakeStreamDict ();for _ ,_ffdc :=range _afae .Keys (){_cafc :=_afae .Get (_ffdc );
if _ffdc !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_ffdc !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_aeae .Set (_ffdc ,_cafc );};};};_aafd :=_ege .MakeDecodeParams ();if _aafd !=nil {_aeae .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_aafd );
};return _aeae ;};

// GetRevision returns PdfParser for the specific version of the Pdf document.
func (_gafb *PdfParser )GetRevision (revisionNumber int )(*PdfParser ,error ){_fegbe :=_gafb ._fdad ;if _fegbe ==revisionNumber {return _gafb ,nil ;};if _fegbe < revisionNumber {return nil ,_b .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 _gafb ._edeef [revisionNumber ]!=nil {return _gafb ._edeef [revisionNumber ],nil ;};_cbbee :=_gafb ;for ;_fegbe > revisionNumber ;_fegbe --{_bdbcc ,_dfga :=_cbbee .GetPreviousRevisionParser ();if _dfga !=nil {return nil ,_dfga ;};_gafb ._edeef [_fegbe -1]=_bdbcc ;
_gafb ._cefc [_cbbee ]=_bdbcc ;_cbbee =_bdbcc ;};return _cbbee ,nil ;};func (_gffc *PdfParser )inspect ()(map[string ]int ,error ){_df .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");
_df .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_dfbg :=map[string ]int {};_aeba :=0;_fefe :=0;var _fdfd []int ;for _ggff :=range _gffc ._aadbf .ObjectMap {_fdfd =append (_fdfd ,_ggff );};_a .Ints (_fdfd );_eddbb :=0;for _ ,_dbed :=range _fdfd {_eagf :=_gffc ._aadbf .ObjectMap [_dbed ];
if _eagf .ObjectNumber ==0{continue ;};_aeba ++;_df .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_df .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",_eagf .ObjectNumber );
_cbbgb ,_geda :=_gffc .LookupByNumber (_eagf .ObjectNumber );if _geda !=nil {_df .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",_eagf .ObjectNumber ,_geda );
_fefe ++;continue ;};_df .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_cbbgb );_dfgg ,_gefg :=_cbbgb .(*PdfIndirectObject );if _gefg {_df .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_eagf .ObjectNumber ,_dfgg );
_afdfa ,_gagd :=_dfgg .PdfObject .(*PdfObjectDictionary );if _gagd {if _cggbb ,_fgegg :=_afdfa .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_fgegg {_fbgg :=string (*_cggbb );_df .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_fbgg );
_ ,_gbfd :=_dfbg [_fbgg ];if _gbfd {_dfbg [_fbgg ]++;}else {_dfbg [_fbgg ]=1;};}else if _fage ,_bdgcb :=_afdfa .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_bdgcb {_ccfgc :=string (*_fage );_df .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_ccfgc );
_ ,_aadf :=_dfbg [_ccfgc ];if _aadf {_dfbg [_ccfgc ]++;}else {_dfbg [_ccfgc ]=1;};};if _cbeaa ,_bggac :=_afdfa .Get ("\u0053").(*PdfObjectName );_bggac &&*_cbeaa =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_efab :=_dfbg ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _efab {_dfbg ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_dfbg ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _bccde ,_gfaaa :=_cbbgb .(*PdfObjectStream );_gfaaa {if _affbf ,_aedcb :=_bccde .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_aedcb {_df .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",*_affbf );_acdaa :=string (*_affbf );_dfbg [_acdaa ]++;};}else {_eafdg ,_ffbea :=_cbbgb .(*PdfObjectDictionary );
if _ffbea {_eddg ,_agab :=_eafdg .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _agab {_efge :=string (*_eddg );_df .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_efge );_dfbg [_efge ]++;};};_df .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_eagf .ObjectNumber ,_cbbgb );
};_eddbb ++;};_df .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");_df .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");
_df .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_aeba );_df .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_fefe );for _ebbg ,_fafe :=range _dfbg {_df .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_ebbg ,_fafe );
};_df .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_gffc ._aadbf .ObjectMap )< 1{_df .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0054\u0068\u0069\u0073 \u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074 \u0069s\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0028\u0078\u0072\u0065\u0066\u0020\u0074\u0061\u0062l\u0065\u0020\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0021\u0029");
return nil ,_fc .Errorf ("\u0069\u006ev\u0061\u006c\u0069\u0064 \u0064\u006fc\u0075\u006d\u0065\u006e\u0074\u0020\u0028\u0078r\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u0020\u006d\u0069\u0073s\u0069\u006e\u0067\u0029");};_adcc ,_deca :=_dfbg ["\u0046\u006f\u006e\u0074"];
if !_deca ||_adcc < 2{_df .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 {_df .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 _dfbg ,nil ;};type encryptDict struct{Filter string ;V int ;SubFilter string ;Length int ;StmF string ;StrF string ;EFF string ;CF map[string ]_cf .FilterDict ;};

// MakeIndirectObject creates an PdfIndirectObject with a specified direct object PdfObject.
func MakeIndirectObject (obj PdfObject )*PdfIndirectObject {_gdeeg :=&PdfIndirectObject {};_gdeeg .PdfObject =obj ;return _gdeeg ;};type cryptFilters map[string ]_cf .Filter ;

// 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 )(_feaagd *PdfObjectName ,_gabfe bool ){_feaagd ,_gabfe =TraceToDirectObject (obj ).(*PdfObjectName );return _feaagd ,_gabfe ;};

// 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 ;};

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_dcbda string ;_cfdd bool ;};

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

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

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

// GetFilterName returns the name of the encoding filter.
func (_bedg *RawEncoder )GetFilterName ()string {return StreamEncodingFilterNameRaw };var _afg =_ec .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");


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

// 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 (_cegab *PdfObjectString )Decoded ()string {if _cegab ==nil {return "";};_acfa :=[]byte (_cegab ._dcbda );if len (_acfa )>=2&&_acfa [0]==0xFE&&_acfa [1]==0xFF{return _gg .UTF16ToString (_acfa [2:]);};return _gg .PDFDocEncodingToString (_acfa );};

// 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 )(_bbeb *PdfObjectInteger ,_bcafdf bool ){_bbeb ,_bcafdf =TraceToDirectObject (obj ).(*PdfObjectInteger );return _bbeb ,_bcafdf ;};

// MakeArrayFromFloats creates an PdfObjectArray from a slice of float64s, where each array element is an
// PdfObjectFloat.
func MakeArrayFromFloats (vals []float64 )*PdfObjectArray {_gdgca :=MakeArray ();for _ ,_efgb :=range vals {_gdgca .Append (MakeFloat (_efgb ));};return _gdgca ;};func (_adba *PdfParser )parseString ()(*PdfObjectString ,error ){_adba ._agge .ReadByte ();
var _dffb _fbe .Buffer ;_bbca :=1;for {_daef ,_ddcd :=_adba ._agge .Peek (1);if _ddcd !=nil {return MakeString (_dffb .String ()),_ddcd ;};if _daef [0]=='\\'{_adba ._agge .ReadByte ();_gdca ,_ebdd :=_adba ._agge .ReadByte ();if _ebdd !=nil {return MakeString (_dffb .String ()),_ebdd ;
};if IsOctalDigit (_gdca ){_debg ,_ebgd :=_adba ._agge .Peek (2);if _ebgd !=nil {return MakeString (_dffb .String ()),_ebgd ;};var _gcece []byte ;_gcece =append (_gcece ,_gdca );for _ ,_cgede :=range _debg {if IsOctalDigit (_cgede ){_gcece =append (_gcece ,_cgede );
}else {break ;};};_adba ._agge .Discard (len (_gcece )-1);_df .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_gcece );_cfbf ,_ebgd :=_g .ParseUint (string (_gcece ),8,32);if _ebgd !=nil {return MakeString (_dffb .String ()),_ebgd ;
};_dffb .WriteByte (byte (_cfbf ));continue ;};switch _gdca {case 'n':_dffb .WriteRune ('\n');case 'r':_dffb .WriteRune ('\r');case 't':_dffb .WriteRune ('\t');case 'b':_dffb .WriteRune ('\b');case 'f':_dffb .WriteRune ('\f');case '(':_dffb .WriteRune ('(');
case ')':_dffb .WriteRune (')');case '\\':_dffb .WriteRune ('\\');};continue ;}else if _daef [0]=='('{_bbca ++;}else if _daef [0]==')'{_bbca --;if _bbca ==0{_adba ._agge .ReadByte ();break ;};};_beed ,_ :=_adba ._agge .ReadByte ();_dffb .WriteByte (_beed );
};return MakeString (_dffb .String ()),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 _fcb .ReadSeeker )(*PdfParser ,error ){_bbfeb :=&PdfParser {_eca :rs ,ObjCache :make (objectCache ),_egcb :map[int64 ]bool {},_ccfgd :make ([]int64 ,0),_cefc :make (map[*PdfParser ]*PdfParser )};_cgfb ,_cgccc ,_bfef :=_bbfeb .parsePdfVersion ();
if _bfef !=nil {_df .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",_bfef );return nil ,_bfef ;};_bbfeb ._ccgcd .Major =_cgfb ;_bbfeb ._ccgcd .Minor =_cgccc ;
if _bbfeb ._dagg ,_bfef =_bbfeb .loadXrefs ();_bfef !=nil {_df .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",_bfef );return nil ,_bfef ;
};_df .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_bbfeb ._dagg );_bedb ,_bfef :=_bbfeb .parseLinearizedDictionary ();if _bfef !=nil {return nil ,_bfef ;};if _bedb !=nil {_bbfeb ._cfee ,_bfef =_bbfeb .checkLinearizedInformation (_bedb );
if _bfef !=nil {return nil ,_bfef ;};};if len (_bbfeb ._aadbf .ObjectMap )==0{return nil ,_fc .Errorf ("\u0065\u006d\u0070\u0074\u0079\u0020\u0058\u0052\u0045\u0046\u0020t\u0061\u0062\u006c\u0065\u0020\u002d\u0020\u0049\u006e\u0076a\u006c\u0069\u0064");
};_bbfeb ._fdad =len (_bbfeb ._ccfgd );if _bbfeb ._cfee &&_bbfeb ._fdad !=0{_bbfeb ._fdad --;};_bbfeb ._edeef =make ([]*PdfParser ,_bbfeb ._fdad );return _bbfeb ,nil ;};

// PdfObjectStream represents the primitive PDF Object stream.
type PdfObjectStream struct{PdfObjectReference ;*PdfObjectDictionary ;Stream []byte ;};func (_eaegc *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_eafe :=_eaegc ._agge .Discard (4);return PdfObjectNull {},_eafe ;};

// SetImage sets the image base for given flate encoder.
func (_efba *FlateEncoder )SetImage (img *_dd .ImageBase ){_efba ._bbfa =img };

// 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 ){_gbgg ,_ddgg :=obj .(*PdfObjectReference );if _ddgg {obj =TraceToDirectObject (_gbgg );};switch _ggaa :=obj .(type ){case *PdfObjectFloat :_df .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 (*_ggaa ),nil ;case *PdfObjectInteger :return int64 (*_ggaa ),nil ;};return 0,ErrNotANumber ;};

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set and the DecodeParms.
func (_dgc *FlateEncoder )MakeStreamDict ()*PdfObjectDictionary {_ageb :=MakeDict ();_ageb .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_dgc .GetFilterName ()));_ebfd :=_dgc .MakeDecodeParams ();if _ebfd !=nil {_ageb .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_ebfd );
};return _ageb ;};func _gfcea (_gcccd int )int {if _gcccd < 0{return -_gcccd ;};return _gcccd ;};

// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_edcd encryptDict ;_eef _ga .StdEncryptDict ;_ced string ;_cbf []byte ;_ae map[PdfObject ]bool ;_aed map[PdfObject ]bool ;_edf bool ;_gce cryptFilters ;_fed string ;_fbff string ;_fgd *PdfParser ;_fca map[int ]struct{};};

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

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

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

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_ccc []float64 ,_agfaf error ){for _ ,_dbef :=range objects {_cca ,_adec :=GetNumberAsFloat (_dbef );if _adec !=nil {return nil ,_adec ;};_ccc =append (_ccc ,_cca );};return _ccc ,nil ;};

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

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

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

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

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

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

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

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

// DecodeBytes decodes the CCITTFax encoded image data.
func (_dgfag *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_dcbe ,_faaf :=_caa .NewDecoder (encoded ,_caa .DecodeOptions {Columns :_dgfag .Columns ,Rows :_dgfag .Rows ,K :_dgfag .K ,EncodedByteAligned :_dgfag .EncodedByteAlign ,BlackIsOne :_dgfag .BlackIs1 ,EndOfBlock :_dgfag .EndOfBlock ,EndOfLine :_dgfag .EndOfLine ,DamagedRowsBeforeError :_dgfag .DamagedRowsBeforeError });
if _faaf !=nil {return nil ,_faaf ;};_gdga ,_faaf :=_d .ReadAll (_dcbe );if _faaf !=nil {return nil ,_faaf ;};return _gdga ,nil ;};func _eegg (_effcc int )int {_gfga :=_effcc >>(_bceca -1);return (_effcc ^_gfga )-_gfga };func (_ffddd *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){const _dedbd =20;
_gaaef ,_ :=_ffddd ._agge .Peek (_dedbd );for _gacd :=0;_gacd < 2;_gacd ++{if _ffddd ._ddaf ==0{_ffddd ._ddaf =_ffddd .GetFileOffset ();};if _bega .Match (_gaaef ){_df .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");
_df .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_gaaef ));return _ffddd .parseXrefStream (nil );};if _fgfg .Match (_gaaef ){_df .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 _ffddd .parseXrefTable ();};_aaagg :=_ffddd .GetFileOffset ();if _ffddd ._ddaf ==0{_ffddd ._ddaf =_aaagg ;};_ffddd .SetFileOffset (_aaagg -_dedbd );defer _ffddd .SetFileOffset (_aaagg );_aeac ,_ :=_ffddd ._agge .Peek (_dedbd );_gaaef =append (_aeac ,_gaaef ...);
};_df .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 _aegfa :=_ffddd .repairSeekXrefMarker ();_aegfa !=nil {_df .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_aegfa );return nil ,_aegfa ;};return _ffddd .parseXrefTable ();};func (_dbbce *PdfParser )parseObject ()(PdfObject ,error ){_df .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");
_dbbce .skipSpaces ();for {_eaabg ,_dbab :=_dbbce ._agge .Peek (2);if _dbab !=nil {if _dbab !=_fcb .EOF ||len (_eaabg )==0{return nil ,_dbab ;};if len (_eaabg )==1{_eaabg =append (_eaabg ,' ');};};_df .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_eaabg ));
if _eaabg [0]=='/'{_edbe ,_cceg :=_dbbce .parseName ();_df .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_edbe );return &_edbe ,_cceg ;}else if _eaabg [0]=='('{_df .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");
_cfbbd ,_bdae :=_dbbce .parseString ();return _cfbbd ,_bdae ;}else if _eaabg [0]=='['{_df .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");_cfgg ,_ecbe :=_dbbce .parseArray ();return _cfgg ,_ecbe ;}else if (_eaabg [0]=='<')&&(_eaabg [1]=='<'){_df .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");
_ffcd ,_eageg :=_dbbce .ParseDict ();return _ffcd ,_eageg ;}else if _eaabg [0]=='<'{_df .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");_egdd ,_afbd :=_dbbce .parseHexString ();return _egdd ,_afbd ;}else if _eaabg [0]=='%'{_dbbce .readComment ();
_dbbce .skipSpaces ();}else {_df .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_eaabg ,_ =_dbbce ._agge .Peek (15);_bceba :=string (_eaabg );_df .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_bceba );
if (len (_bceba )> 3)&&(_bceba [:4]=="\u006e\u0075\u006c\u006c"){_cgcc ,_edga :=_dbbce .parseNull ();return &_cgcc ,_edga ;}else if (len (_bceba )> 4)&&(_bceba [:5]=="\u0066\u0061\u006cs\u0065"){_gacfd ,_fdbg :=_dbbce .parseBool ();return &_gacfd ,_fdbg ;
}else if (len (_bceba )> 3)&&(_bceba [:4]=="\u0074\u0072\u0075\u0065"){_bgeb ,_ecdb :=_dbbce .parseBool ();return &_bgeb ,_ecdb ;};_bbbd :=_ffdd .FindStringSubmatch (_bceba );if len (_bbbd )> 1{_eaabg ,_ =_dbbce ._agge .ReadBytes ('R');_df .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_eaabg [:]));
_bfca ,_bfgfd :=_agaa (string (_eaabg ));_bfca ._abad =_dbbce ;return &_bfca ,_bfgfd ;};_dcbg :=_bfdg .FindStringSubmatch (_bceba );if len (_dcbg )> 1{_df .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");_affg ,_daeec :=_dbbce .parseNumber ();
return _affg ,_daeec ;};_dcbg =_afg .FindStringSubmatch (_bceba );if len (_dcbg )> 1{_df .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");_df .Log .Trace ("\u0025\u0020\u0073",_dcbg );
_gaaeb ,_cbff :=_dbbce .parseNumber ();return _gaaeb ,_cbff ;};_df .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_bceba );return nil ,_b .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");
};};};

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

// NewCCITTFaxEncoder makes a new CCITTFax encoder.
func NewCCITTFaxEncoder ()*CCITTFaxEncoder {return &CCITTFaxEncoder {Columns :1728,EndOfBlock :true }};func (_gdfb *PdfParser )skipComments ()error {if _ ,_bcba :=_gdfb .skipSpaces ();_bcba !=nil {return _bcba ;};_fdebd :=true ;for {_acfd ,_ddgc :=_gdfb ._agge .Peek (1);
if _ddgc !=nil {_df .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_ddgc .Error ());return _ddgc ;};if _fdebd &&_acfd [0]!='%'{return nil ;};_fdebd =false ;if (_acfd [0]!='\r')&&(_acfd [0]!='\n'){_gdfb ._agge .ReadByte ();}else {break ;
};};return _gdfb .skipComments ();};func _bcg (_agg PdfObject )(int64 ,int64 ,error ){if _gad ,_bgf :=_agg .(*PdfIndirectObject );_bgf {return _gad .ObjectNumber ,_gad .GenerationNumber ,nil ;};if _feb ,_fbec :=_agg .(*PdfObjectStream );_fbec {return _feb .ObjectNumber ,_feb .GenerationNumber ,nil ;
};return 0,0,_b .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 (_aebg *PdfObjectInteger )String ()string {return _fc .Sprintf ("\u0025\u0064",*_aebg )};


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

// 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 (_age *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _age .isEncrypted (obj ){return nil ;};switch _ace :=obj .(type ){case *PdfIndirectObject :_age ._aed [_ace ]=true ;_df .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",_ace .ObjectNumber ,_ace .GenerationNumber );
_caeb :=_ace .ObjectNumber ;_bcb :=_ace .GenerationNumber ;_efd :=_age .Encrypt (_ace .PdfObject ,_caeb ,_bcb );if _efd !=nil {return _efd ;};return nil ;case *PdfObjectStream :_age ._aed [_ace ]=true ;_gga :=_ace .PdfObjectDictionary ;if _dbee ,_agf :=_gga .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_agf &&*_dbee =="\u0058\u0052\u0065\u0066"{return nil ;};_abdf :=_ace .ObjectNumber ;_affd :=_ace .GenerationNumber ;_df .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_abdf ,_affd );
_cbab :=_cab ;if _age ._edcd .V >=4{_cbab =_age ._fed ;_df .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_age ._fed );if _bedd ,_eabf :=_gga .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_eabf {if _bbcb ,_bfc :=GetName (_bedd .Get (0));_bfc {if *_bbcb =="\u0043\u0072\u0079p\u0074"{_cbab ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _gacf ,_ebdg :=_gga .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_ebdg {if _cag ,_caf :=_gacf .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_caf {if _ ,_gcea :=_age ._gce [string (*_cag )];_gcea {_df .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_cag );
_cbab =string (*_cag );};};};};};};_df .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_cbab );if _cbab =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_dbd :=_age .Encrypt (_ace .PdfObjectDictionary ,_abdf ,_affd );
if _dbd !=nil {return _dbd ;};_bcc ,_dbd :=_age .makeKey (_cbab ,uint32 (_abdf ),uint32 (_affd ),_age ._cbf );if _dbd !=nil {return _dbd ;};_ace .Stream ,_dbd =_age .encryptBytes (_ace .Stream ,_cbab ,_bcc );if _dbd !=nil {return _dbd ;};_gga .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_ace .Stream ))));
return nil ;case *PdfObjectString :_df .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_adgg :=_cab ;if _age ._edcd .V >=4{_df .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_age ._fbff );
if _age ._fbff =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_adgg =_age ._fbff ;};_eebe ,_fgdd :=_age .makeKey (_adgg ,uint32 (parentObjNum ),uint32 (parentGenNum ),_age ._cbf );if _fgdd !=nil {return _fgdd ;};_dac :=_ace .Str ();
_gfb :=make ([]byte ,len (_dac ));for _gge :=0;_gge < len (_dac );_gge ++{_gfb [_gge ]=_dac [_gge ];};_df .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_gfb ,_gfb );
_gfb ,_fgdd =_age .encryptBytes (_gfb ,_adgg ,_eebe );if _fgdd !=nil {return _fgdd ;};_ace ._dcbda =string (_gfb );return nil ;case *PdfObjectArray :for _ ,_bcce :=range _ace .Elements (){_eeef :=_age .Encrypt (_bcce ,parentObjNum ,parentGenNum );if _eeef !=nil {return _eeef ;
};};return nil ;case *PdfObjectDictionary :_adb :=false ;if _ggg :=_ace .Get ("\u0054\u0079\u0070\u0065");_ggg !=nil {_aaag ,_cega :=_ggg .(*PdfObjectName );if _cega &&*_aaag =="\u0053\u0069\u0067"{_adb =true ;};};for _ ,_aagc :=range _ace .Keys (){_cegd :=_ace .Get (_aagc );
if _adb &&string (_aagc )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_aagc )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_aagc )!="\u0050\u0072\u0065\u0076"&&string (_aagc )!="\u004c\u0061\u0073\u0074"{_bef :=_age .Encrypt (_cegd ,parentObjNum ,parentGenNum );
if _bef !=nil {return _bef ;};};};return nil ;};return nil ;};func _fbc (_aaa *_cf .FilterDict ,_fcd *PdfObjectDictionary )error {if _ggd ,_dfg :=_fcd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_dfg {if _ddgf :=string (*_ggd );_ddgf !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_df .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",_ddgf );
};};_faag ,_aadd :=_fcd .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_aadd {return _fc .Errorf ("\u0075\u006e\u0073u\u0070\u0070\u006f\u0072t\u0065\u0064\u0020\u0063\u0072\u0079\u0070t\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u0028\u004e\u006f\u006e\u0065\u0029");
};_aaa .CFM =string (*_faag );if _fcgb ,_aeg :=_fcd .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_aeg {_aaa .AuthEvent =_ga .AuthEvent (*_fcgb );}else {_aaa .AuthEvent =_ga .EventDocOpen ;};if _aef ,_bbe :=_fcd .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_bbe {_aaa .Length =int (*_aef );};return nil ;};

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

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

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

// 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 ;_cdef *_dg .Document ;

// Globals are the JBIG2 global segments.
Globals _cbd .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 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 (_fbcg *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _ecce ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _fbcg .ColorComponents !=1||_fbcg .BitsPerComponent !=1{return nil ,_de .Errorf (_ecce ,"\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 (_cged *_aa .Bitmap ;_eeed error ;);_efbe :=(_fbcg .Width *_fbcg .Height )==len (data );if _efbe {_cged ,_eeed =_aa .NewWithUnpaddedData (_fbcg .Width ,_fbcg .Height ,data );}else {_cged ,_eeed =_aa .NewWithData (_fbcg .Width ,_fbcg .Height ,data );
};if _eeed !=nil {return nil ,_eeed ;};_dfaaf :=_fbcg .DefaultPageSettings ;if _eeed =_dfaaf .Validate ();_eeed !=nil {return nil ,_de .Wrap (_eeed ,_ecce ,"");};if _fbcg ._cdef ==nil {_fbcg ._cdef =_dg .InitEncodeDocument (_dfaaf .FileMode );};switch _dfaaf .Compression {case JB2Generic :if _eeed =_fbcg ._cdef .AddGenericPage (_cged ,_dfaaf .DuplicatedLinesRemoval );
_eeed !=nil {return nil ,_de .Wrap (_eeed ,_ecce ,"");};case JB2SymbolCorrelation :return nil ,_de .Error (_ecce ,"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 ,_de .Error (_ecce ,"\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 ,_de .Error (_ecce ,"\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 _fbcg .Encode ();};

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

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

// WriteString outputs the object as it is to be written to file.
func (_cdcfa *PdfObjectString )WriteString ()string {var _ceag _fbe .Buffer ;if _cdcfa ._cfdd {_geee :=_eg .EncodeToString (_cdcfa .Bytes ());_ceag .WriteString ("\u003c");_ceag .WriteString (_geee );_ceag .WriteString ("\u003e");return _ceag .String ();
};_dbeb :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_ceag .WriteString ("\u0028");for _babc :=0;_babc < len (_cdcfa ._dcbda );
_babc ++{_fece :=_cdcfa ._dcbda [_babc ];if _afgg ,_eggf :=_dbeb [_fece ];_eggf {_ceag .WriteString (_afgg );}else {_ceag .WriteByte (_fece );};};_ceag .WriteString ("\u0029");return _ceag .String ();};

// IsDelimiter checks if a character represents a delimiter.
func IsDelimiter (c byte )bool {return c =='('||c ==')'||c =='<'||c =='>'||c =='['||c ==']'||c =='{'||c =='}'||c =='/'||c =='%';};var _bega =_ec .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");


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

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

// HasNonConformantStream implements core.ParserMetadata.
func (_bbf ParserMetadata )HasNonConformantStream ()bool {return _bbf ._becc };const _gddf =10;func _cgcg (_egaa *PdfObjectStream ,_daeb *PdfObjectDictionary )(*FlateEncoder ,error ){_ebbc :=NewFlateEncoder ();_bgb :=_egaa .PdfObjectDictionary ;if _bgb ==nil {return _ebbc ,nil ;
};_ebbc ._bbfa =_abef (_bgb );if _daeb ==nil {_dbc :=TraceToDirectObject (_bgb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));switch _cdc :=_dbc .(type ){case *PdfObjectArray :if _cdc .Len ()!=1{_df .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",_cdc .Len ());
return nil ,_b .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _bbfe ,_caff :=GetDict (_cdc .Get (0));_caff {_daeb =_bbfe ;};case *PdfObjectDictionary :_daeb =_cdc ;case *PdfObjectNull ,nil :default:_df .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",_dbc );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _daeb ==nil {return _ebbc ,nil ;};_df .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_daeb .String ());
_aagga :=_daeb .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _aagga ==nil {_df .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 {_cgcgf ,_bbcg :=_aagga .(*PdfObjectInteger );if !_bbcg {_df .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",_aagga );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_ebbc .Predictor =int (*_cgcgf );};_aagga =_daeb .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _aagga !=nil {_dga ,_ebed :=_aagga .(*PdfObjectInteger );if !_ebed {_df .Log .Debug ("\u0045\u0052\u0052O\u0052\u003a\u0020\u0049n\u0076\u0061\u006c\u0069\u0064\u0020\u0042i\u0074\u0073\u0050\u0065\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
return nil ,_fc .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_ebbc .BitsPerComponent =int (*_dga );};if _ebbc .Predictor > 1{_ebbc .Columns =1;_aagga =_daeb .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _aagga !=nil {_fegd ,_ggbb :=_aagga .(*PdfObjectInteger );if !_ggbb {return nil ,_fc .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_ebbc .Columns =int (*_fegd );
};_ebbc .Colors =1;_aagga =_daeb .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _aagga !=nil {_cfd ,_ccff :=_aagga .(*PdfObjectInteger );if !_ccff {return nil ,_fc .Errorf ("\u0070\u0072\u0065d\u0069\u0063\u0074\u006fr\u0020\u0063\u006f\u006c\u006f\u0072\u0073 \u006e\u006f\u0074\u0020\u0061\u006e\u0020\u0069\u006e\u0074\u0065\u0067\u0065\u0072");
};_ebbc .Colors =int (*_cfd );};};return _ebbc ,nil ;};func _adff (_gaggc ,_efabg PdfObject ,_dcad int )bool {if _dcad > _gddf {_df .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",_gddf );
return false ;};if _gaggc ==nil &&_efabg ==nil {return true ;}else if _gaggc ==nil ||_efabg ==nil {return false ;};if _f .TypeOf (_gaggc )!=_f .TypeOf (_efabg ){return false ;};switch _bagg :=_gaggc .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_bagg ==*(_efabg .(*PdfObjectName ));case *PdfObjectString :return *_bagg ==*(_efabg .(*PdfObjectString ));case *PdfObjectInteger :return *_bagg ==*(_efabg .(*PdfObjectInteger ));case *PdfObjectBool :return *_bagg ==*(_efabg .(*PdfObjectBool ));
case *PdfObjectFloat :return *_bagg ==*(_efabg .(*PdfObjectFloat ));case *PdfIndirectObject :return _adff (TraceToDirectObject (_gaggc ),TraceToDirectObject (_efabg ),_dcad +1);case *PdfObjectArray :_afaag :=_efabg .(*PdfObjectArray );if len ((*_bagg )._eabbb )!=len ((*_afaag )._eabbb ){return false ;
};for _acgabf ,_ggfe :=range (*_bagg )._eabbb {if !_adff (_ggfe ,(*_afaag )._eabbb [_acgabf ],_dcad +1){return false ;};};return true ;case *PdfObjectDictionary :_bffc :=_efabg .(*PdfObjectDictionary );_bdbed ,_fbdd :=(*_bagg )._fffc ,(*_bffc )._fffc ;
if len (_bdbed )!=len (_fbdd ){return false ;};for _fcdb ,_ddff :=range _bdbed {_efag ,_fegba :=_fbdd [_fcdb ];if !_fegba ||!_adff (_ddff ,_efag ,_dcad +1){return false ;};};return true ;case *PdfObjectStream :_afef :=_efabg .(*PdfObjectStream );return _adff ((*_bagg ).PdfObjectDictionary ,(*_afef ).PdfObjectDictionary ,_dcad +1);
default:_df .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",_gaggc );
};return false ;};var _bfdg =_ec .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");func (_acacg *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_acacg ._aadbf .ObjectMap =make (map[int ]XrefObject );
_acacg ._gdcc =make (objectStreams );_dcec ,_dffd :=_acacg ._eca .Seek (0,_fcb .SeekEnd );if _dffd !=nil {return nil ,_dffd ;};_df .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_dcec );_acacg ._afdbc =_dcec ;_dffd =_acacg .seekToEOFMarker (_dcec );
if _dffd !=nil {_df .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",_dffd );return nil ,_dffd ;};_effcb ,_dffd :=_acacg ._eca .Seek (0,_fcb .SeekCurrent );
if _dffd !=nil {return nil ,_dffd ;};var _fbeb int64 =64;_fdbb :=_effcb -_fbeb ;if _fdbb < 0{_fdbb =0;};_ ,_dffd =_acacg ._eca .Seek (_fdbb ,_fcb .SeekStart );if _dffd !=nil {return nil ,_dffd ;};_gedc :=make ([]byte ,_fbeb );_ ,_dffd =_acacg ._eca .Read (_gedc );
if _dffd !=nil {_df .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",_dffd );
return nil ,_dffd ;};_aeb :=_bbb .FindStringSubmatch (string (_gedc ));if len (_aeb )< 2{_df .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 ,_b .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};if len (_aeb )> 2{_df .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",_gedc );return nil ,_b .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");
};_dafgb ,_ :=_g .ParseInt (_aeb [1],10,64);_df .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_dafgb );if _dafgb > _dcec {_df .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");
_df .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");_dafgb ,_dffd =_acacg .repairLocateXref ();if _dffd !=nil {_df .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 ,_dffd ;};};_acacg ._eca .Seek (_dafgb ,_fcb .SeekStart );_acacg ._agge =_ega .NewReader (_acacg ._eca );_ecdc ,_dffd :=_acacg .parseXref ();if _dffd !=nil {return nil ,_dffd ;};_aabc :=_ecdc .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");if _aabc !=nil {_ddag ,_ebgc :=_aabc .(*PdfObjectInteger );
if !_ebgc {return nil ,_b .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_dffd =_acacg .parseXrefStream (_ddag );if _dffd !=nil {return nil ,_dffd ;};};var _fagab []int64 ;_beag :=func (_bcfd int64 ,_agef []int64 )bool {for _ ,_feff :=range _agef {if _feff ==_bcfd {return true ;
};};return false ;};_aabc =_ecdc .Get ("\u0050\u0072\u0065\u0076");for _aabc !=nil {_afga ,_agfec :=_aabc .(*PdfObjectInteger );if !_agfec {_df .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",_aabc );
return _ecdc ,nil ;};_ffab :=*_afga ;_df .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",_ffab );_acacg ._eca .Seek (int64 (_ffab ),_fcb .SeekStart );
_acacg ._agge =_ega .NewReader (_acacg ._eca );_aedea ,_fcdf :=_acacg .parseXref ();if _fcdf !=nil {_df .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");
_df .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 ;};_acacg ._ccfgd =append (_acacg ._ccfgd ,int64 (_ffab ));
_aabc =_aedea .Get ("\u0050\u0072\u0065\u0076");if _aabc !=nil {_gccdf :=*(_aabc .(*PdfObjectInteger ));if _beag (int64 (_gccdf ),_fagab ){_df .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 ;};_fagab =append (_fagab ,int64 (_gccdf ));};};return _ecdc ,nil ;};

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

// EncodeStream encodes the stream data using the encoded specified by the stream's dictionary.
func EncodeStream (streamObj *PdfObjectStream )error {_df .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0020\u0073\u0074\u0072\u0065\u0061\u006d");_bedge ,_agbda :=NewEncoderFromStream (streamObj );if _agbda !=nil {_df .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",_agbda );
return _agbda ;};if _fagb ,_ebcbb :=_bedge .(*LZWEncoder );_ebcbb {_fagb .EarlyChange =0;streamObj .PdfObjectDictionary .Set ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065",MakeInteger (0));};_df .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076\u000a",_bedge );
_eafg ,_agbda :=_bedge .EncodeBytes (streamObj .Stream );if _agbda !=nil {_df .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",_agbda );return _agbda ;
};streamObj .Stream =_eafg ;streamObj .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_eafg ))));return 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 (_abdff *PdfObjectDictionary )Merge (another *PdfObjectDictionary )*PdfObjectDictionary {if another !=nil {for _ ,_ecedd :=range another .Keys (){_gbaeb :=another .Get (_ecedd );_abdff .Set (_ecedd ,_gbaeb );};};return _abdff ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set.  Some other parameters are generated elsewhere.
func (_dbga *DCTEncoder )MakeStreamDict ()*PdfObjectDictionary {_bfcd :=MakeDict ();_bfcd .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_dbga .GetFilterName ()));return _bfcd ;};func (_ecda *PdfParser )traceStreamLength (_ggbc PdfObject )(PdfObject ,error ){_egdb ,_eadb :=_ggbc .(*PdfObjectReference );
if _eadb {_fbgd ,_acbg :=_ecda ._egcb [_egdb .ObjectNumber ];if _acbg &&_fbgd {_df .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 ,_b .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_ecda ._egcb [_egdb .ObjectNumber ]=true ;};_acbc ,_gfdb :=_ecda .Resolve (_ggbc );if _gfdb !=nil {return nil ,_gfdb ;
};_df .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_acbc );if _eadb {_ecda ._egcb [_egdb .ObjectNumber ]=false ;};return _acbc ,nil ;};func _abef (_ebgf *PdfObjectDictionary )(_gagc *_dd .ImageBase ){var (_fbee *PdfObjectInteger ;
_gadf bool ;);if _fbee ,_gadf =_ebgf .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );_gadf {_gagc =&_dd .ImageBase {Width :int (*_fbee )};}else {return nil ;};if _fbee ,_gadf =_ebgf .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );
_gadf {_gagc .Height =int (*_fbee );};if _fbee ,_gadf =_ebgf .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );_gadf {_gagc .BitsPerComponent =int (*_fbee );};if _fbee ,_gadf =_ebgf .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );
_gadf {_gagc .ColorComponents =int (*_fbee );};return _gagc ;};func _bece (_feabe _fcb .ReadSeeker ,_eaff int64 )(*offsetReader ,error ){_gecd :=&offsetReader {_bfdba :_feabe ,_deee :_eaff };_ ,_dbbf :=_gecd .Seek (0,_fcb .SeekStart );return _gecd ,_dbbf ;
};

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

// WriteString outputs the object as it is to be written to file.
func (_aagdg *PdfObjectArray )WriteString ()string {var _gceg _eb .Builder ;_gceg .WriteString ("\u005b");for _gffac ,_abadc :=range _aagdg .Elements (){_gceg .WriteString (_abadc .WriteString ());if _gffac < (_aagdg .Len ()-1){_gceg .WriteString ("\u0020");
};};_gceg .WriteString ("\u005d");return _gceg .String ();};func (_aegb *PdfParser )parseBool ()(PdfObjectBool ,error ){_bccdg ,_fbae :=_aegb ._agge .Peek (4);if _fbae !=nil {return PdfObjectBool (false ),_fbae ;};if (len (_bccdg )>=4)&&(string (_bccdg [:4])=="\u0074\u0072\u0075\u0065"){_aegb ._agge .Discard (4);
return PdfObjectBool (true ),nil ;};_bccdg ,_fbae =_aegb ._agge .Peek (5);if _fbae !=nil {return PdfObjectBool (false ),_fbae ;};if (len (_bccdg )>=5)&&(string (_bccdg [:5])=="\u0066\u0061\u006cs\u0065"){_aegb ._agge .Discard (5);return PdfObjectBool (false ),nil ;
};return PdfObjectBool (false ),_b .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");};

// WriteString outputs the object as it is to be written to file.
func (_gdcef *PdfObjectDictionary )WriteString ()string {var _baea _eb .Builder ;_baea .WriteString ("\u003c\u003c");for _ ,_acgab :=range _gdcef ._dedbc {_dfbde :=_gdcef ._fffc [_acgab ];_baea .WriteString (_acgab .WriteString ());_baea .WriteString ("\u0020");
_baea .WriteString (_dfbde .WriteString ());};_baea .WriteString ("\u003e\u003e");return _baea .String ();};

// 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 (_fedc *PdfParser )GetTrailer ()*PdfObjectDictionary {return _fedc ._dagg };

// GetPreviousRevisionParser returns PdfParser for the previous version of the Pdf document.
func (_ffcb *PdfParser )GetPreviousRevisionParser ()(*PdfParser ,error ){if _ffcb ._fdad ==0{return nil ,_b .New ("\u0074\u0068\u0069\u0073 i\u0073\u0020\u0066\u0069\u0072\u0073\u0074\u0020\u0072\u0065\u0076\u0069\u0073\u0069o\u006e");};if _facd ,_agcc :=_ffcb ._cefc [_ffcb ];
_agcc {return _facd ,nil ;};_ffdg ,_fgcb :=_ffcb .GetPreviousRevisionReadSeeker ();if _fgcb !=nil {return nil ,_fgcb ;};_ffdf ,_fgcb :=NewParser (_ffdg );_ffdf ._cefc =_ffcb ._cefc ;if _fgcb !=nil {return nil ,_fgcb ;};_ffcb ._cefc [_ffcb ]=_ffdf ;return _ffdf ,nil ;
};

// MakeFloat creates an PdfObjectFloat from a float64.
func MakeFloat (val float64 )*PdfObjectFloat {_caegf :=PdfObjectFloat (val );return &_caegf };func (_aeaf *PdfCrypt )securityHandler ()_ga .StdHandler {if _aeaf ._eef .R >=5{return _ga .NewHandlerR6 ();};return _ga .NewHandlerR4 (_aeaf ._ced ,_aeaf ._edcd .Length );
};

// GetXrefOffset returns the offset of the xref table.
func (_ddce *PdfParser )GetXrefOffset ()int64 {return _ddce ._ddaf };func _fcfeg (_agbc ,_dafaa ,_gfdf uint8 )uint8 {_ddfc :=int (_gfdf );_gbbdd :=int (_dafaa )-_ddfc ;_adda :=int (_agbc )-_ddfc ;_ddfc =_eegg (_gbbdd +_adda );_gbbdd =_eegg (_gbbdd );_adda =_eegg (_adda );
if _gbbdd <=_adda &&_gbbdd <=_ddfc {return _agbc ;}else if _adda <=_ddfc {return _dafaa ;};return _gfdf ;};

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

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

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

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

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

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _cf .Filter ,userPass ,ownerPass []byte ,perm _ga .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_fbf :=&PdfCrypt {_aed :make (map[PdfObject ]bool ),_gce :make (cryptFilters ),_eef :_ga .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _cae Version ;if cf !=nil {_ecb :=cf .PDFVersion ();_cae .Major ,_cae .Minor =_ecb [0],_ecb [1];V ,R :=cf .HandlerVersion ();_fbf ._edcd .V =V ;_fbf ._eef .R =R ;_fbf ._edcd .Length =cf .KeyLength ()*8;};const (_daf =_cab ;);_fbf ._gce [_daf ]=cf ;
if _fbf ._edcd .V >=4{_fbf ._fed =_daf ;_fbf ._fbff =_daf ;};_ddb :=_fbf .newEncryptDict ();_ef :=_ca .Sum ([]byte (_cb .Now ().Format (_cb .RFC850 )));_bde :=string (_ef [:]);_gacb :=make ([]byte ,100);_gf .Read (_gacb );_ef =_ca .Sum (_gacb );_ebeb :=string (_ef [:]);
_df .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_gacb );_df .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_bde );_fbf ._ced =_bde ;_ffe :=_fbf .generateParams (userPass ,ownerPass );
if _ffe !=nil {return nil ,nil ,_ffe ;};_ddc (&_fbf ._eef ,_ddb );if _fbf ._edcd .V >=4{if _bee :=_fbf .saveCryptFilters (_ddb );_bee !=nil {return nil ,nil ,_bee ;};};return _fbf ,&EncryptInfo {Version :_cae ,Encrypt :_ddb ,ID0 :_bde ,ID1 :_ebeb },nil ;
};

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

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

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

// RegisterCustomStreamEncoder register a custom encoder handler for certain filter.
func RegisterCustomStreamEncoder (filterName string ,customStreamEncoder StreamEncoder ){_cdbdb .Store (filterName ,customStreamEncoder );};type offsetReader struct{_bfdba _fcb .ReadSeeker ;_deee int64 ;};

// GetParser returns the parser for lazy-loading or compare references.
func (_ebdb *PdfObjectReference )GetParser ()*PdfParser {return _ebdb ._abad };var _babe =_b .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");

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

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

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

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

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

// GetXrefType returns the type of the first xref object (table or stream).
func (_bea *PdfParser )GetXrefType ()*xrefType {return _bea ._eccb };func (_decf *PdfParser )skipSpaces ()(int ,error ){_gebb :=0;for {_ggee ,_cfce :=_decf ._agge .ReadByte ();if _cfce !=nil {return 0,_cfce ;};if IsWhiteSpace (_ggee ){_gebb ++;}else {_decf ._agge .UnreadByte ();
break ;};};return _gebb ,nil ;};

// 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 )(_gdfgg *PdfObjectStreams ,_dgae bool ){_gdfgg ,_dgae =obj .(*PdfObjectStreams );return _gdfgg ,_dgae ;};

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_gcad *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _cbge _af .Image ;if _gcad .ColorComponents ==1&&_gcad .BitsPerComponent ==8{_cbge =&_af .Gray {Rect :_af .Rect (0,0,_gcad .Width ,_gcad .Height ),Pix :data ,Stride :_dd .BytesPerLine (_gcad .Width ,_gcad .BitsPerComponent ,_gcad .ColorComponents )};
}else {var _gcbg error ;_cbge ,_gcbg =_dd .NewImage (_gcad .Width ,_gcad .Height ,_gcad .BitsPerComponent ,_gcad .ColorComponents ,data ,nil ,nil );if _gcbg !=nil {return nil ,_gcbg ;};};_dcfd :=_da .Options {};_dcfd .Quality =_gcad .Quality ;var _gdde _fbe .Buffer ;
if _bgg :=_da .Encode (&_gdde ,_cbge ,&_dcfd );_bgg !=nil {return nil ,_bgg ;};return _gdde .Bytes (),nil ;};

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

// DecodeStream decodes a DCT encoded stream and returns the result as a
// slice of bytes.
func (_eggc *DCTEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _eggc .DecodeBytes (streamObj .Stream );};var (ErrUnsupportedEncodingParameters =_b .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 =_b .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 =_b .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 =_b .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 =_b .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_b .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_b .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_ccf .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 =_b .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);

// Read implementation of Read interface.
func (_cada *limitedReadSeeker )Read (p []byte )(_edea int ,_dcee error ){_dbbc ,_dcee :=_cada ._cfaa .Seek (0,_fcb .SeekCurrent );if _dcee !=nil {return 0,_dcee ;};_ecef :=_cada ._dacc -_dbbc ;if _ecef ==0{return 0,_fcb .EOF ;};if _dadc :=int64 (len (p ));
_dadc < _ecef {_ecef =_dadc ;};_ffgb :=make ([]byte ,_ecef );_edea ,_dcee =_cada ._cfaa .Read (_ffgb );copy (p ,_ffgb );return _edea ,_dcee ;};

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

// Remove removes an element specified by key.
func (_deag *PdfObjectDictionary )Remove (key PdfObjectName ){_bdce :=-1;for _ffegf ,_agbe :=range _deag ._dedbc {if _agbe ==key {_bdce =_ffegf ;break ;};};if _bdce >=0{_deag ._dedbc =append (_deag ._dedbc [:_bdce ],_deag ._dedbc [_bdce +1:]...);delete (_deag ._fffc ,key );
};};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_dgfb *CCITTFaxEncoder )MakeDecodeParams ()PdfObject {_beca :=MakeDict ();_beca .Set ("\u004b",MakeInteger (int64 (_dgfb .K )));_beca .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_dgfb .Columns )));if _dgfb .BlackIs1 {_beca .Set ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031",MakeBool (_dgfb .BlackIs1 ));
};if _dgfb .EncodedByteAlign {_beca .Set ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e",MakeBool (_dgfb .EncodedByteAlign ));};if _dgfb .EndOfLine &&_dgfb .K >=0{_beca .Set ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee",MakeBool (_dgfb .EndOfLine ));
};if _dgfb .Rows !=0&&!_dgfb .EndOfBlock {_beca .Set ("\u0052\u006f\u0077\u0073",MakeInteger (int64 (_dgfb .Rows )));};if !_dgfb .EndOfBlock {_beca .Set ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b",MakeBool (_dgfb .EndOfBlock ));};if _dgfb .DamagedRowsBeforeError !=0{_beca .Set ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072",MakeInteger (int64 (_dgfb .DamagedRowsBeforeError )));
};return _beca ;};var _ffed =_ec .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");var _ffdd =_ec .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");
func _dfea (_aeafg *PdfObjectStream ,_cbda *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_ggdad :=NewCCITTFaxEncoder ();_fcdd :=_aeafg .PdfObjectDictionary ;if _fcdd ==nil {return _ggdad ,nil ;};if _cbda ==nil {_adgc :=TraceToDirectObject (_fcdd .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));
if _adgc !=nil {switch _bgbf :=_adgc .(type ){case *PdfObjectDictionary :_cbda =_bgbf ;case *PdfObjectArray :if _bgbf .Len ()==1{if _fcba ,_gaab :=GetDict (_bgbf .Get (0));_gaab {_cbda =_fcba ;};};default:_df .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",_adgc );
return nil ,_b .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _cbda ==nil {_df .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",_adgc );
return nil ,_b .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _bgaf ,_debc :=GetNumberAsInt64 (_cbda .Get ("\u004b"));_debc ==nil {_ggdad .K =int (_bgaf );};if _agfe ,_aeec :=GetNumberAsInt64 (_cbda .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_aeec ==nil {_ggdad .Columns =int (_agfe );}else {_ggdad .Columns =1728;};if _edee ,_decb :=GetNumberAsInt64 (_cbda .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_decb ==nil {_ggdad .BlackIs1 =_edee > 0;}else {if _egbg ,_aefg :=GetBoolVal (_cbda .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_aefg {_ggdad .BlackIs1 =_egbg ;}else {if _dedg ,_fga :=GetArray (_cbda .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_fga {_cbbg ,_cecg :=_dedg .ToIntegerArray ();if _cecg ==nil {_ggdad .BlackIs1 =_cbbg [0]==1&&_cbbg [1]==0;};};};};if _daag ,_aafe :=GetNumberAsInt64 (_cbda .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_aafe ==nil {_ggdad .EncodedByteAlign =_daag > 0;}else {if _cdcf ,_gedd :=GetBoolVal (_cbda .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_gedd {_ggdad .EncodedByteAlign =_cdcf ;};};if _gfbg ,_gafc :=GetNumberAsInt64 (_cbda .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_gafc ==nil {_ggdad .EndOfLine =_gfbg > 0;}else {if _afbb ,_ccb :=GetBoolVal (_cbda .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_ccb {_ggdad .EndOfLine =_afbb ;};};if _dacb ,_cde :=GetNumberAsInt64 (_cbda .Get ("\u0052\u006f\u0077\u0073"));_cde ==nil {_ggdad .Rows =int (_dacb );
};_ggdad .EndOfBlock =true ;if _ffag ,_ecdf :=GetNumberAsInt64 (_cbda .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_ecdf ==nil {_ggdad .EndOfBlock =_ffag > 0;}else {if _ffage ,_agbg :=GetBoolVal (_cbda .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_agbg {_ggdad .EndOfBlock =_ffage ;};};if _bcdg ,_edbd :=GetNumberAsInt64 (_cbda .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_edbd !=nil {_ggdad .DamagedRowsBeforeError =int (_bcdg );
};_df .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_cbda .String ());return _ggdad ,nil ;};

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

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

// DecodeStream decodes a FlateEncoded stream object and give back decoded bytes.
func (_bdad *FlateEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_df .Log .Trace ("\u0046l\u0061t\u0065\u0044\u0065\u0063\u006fd\u0065\u0020s\u0074\u0072\u0065\u0061\u006d");_df .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_bdad .Predictor );
if _bdad .BitsPerComponent !=8{return nil ,_fc .Errorf ("\u0069\u006ev\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050\u0065\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u003d\u0025\u0064\u0020\u0028\u006f\u006e\u006c\u0079\u0020\u0038\u0020\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0029",_bdad .BitsPerComponent );
};_ggab ,_gfdg :=_bdad .DecodeBytes (streamObj .Stream );if _gfdg !=nil {return nil ,_gfdg ;};_ggab ,_gfdg =_bdad .postDecodePredict (_ggab );if _gfdg !=nil {return nil ,_gfdg ;};return _ggab ,nil ;};

// GetBoolVal returns the bool value within a *PdObjectBool represented by an PdfObject interface directly or indirectly.
// If the PdfObject does not represent a bool value, a default value of false is returned (found = false also).
func GetBoolVal (obj PdfObject )(_abfd bool ,_bdgc bool ){_dgdb ,_bdgc :=TraceToDirectObject (obj ).(*PdfObjectBool );if _bdgc {return bool (*_dgdb ),true ;};return false ,false ;};var _bbb =_ec .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");


// MakeDict creates and returns an empty PdfObjectDictionary.
func MakeDict ()*PdfObjectDictionary {_cgfcd :=&PdfObjectDictionary {};_cgfcd ._fffc =map[PdfObjectName ]PdfObject {};_cgfcd ._dedbc =[]PdfObjectName {};_cgfcd ._ggdaa =&_e .Mutex {};return _cgfcd ;};

// EncodeBytes encodes data into ASCII85 encoded format.
func (_fcfe *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _gdec _fbe .Buffer ;for _bcgb :=0;_bcgb < len (data );_bcgb +=4{_gbdf :=data [_bcgb ];_fgfe :=1;_feca :=byte (0);if _bcgb +1< len (data ){_feca =data [_bcgb +1];_fgfe ++;};_fbg :=byte (0);
if _bcgb +2< len (data ){_fbg =data [_bcgb +2];_fgfe ++;};_gcec :=byte (0);if _bcgb +3< len (data ){_gcec =data [_bcgb +3];_fgfe ++;};_afce :=(uint32 (_gbdf )<<24)|(uint32 (_feca )<<16)|(uint32 (_fbg )<<8)|uint32 (_gcec );if _afce ==0{_gdec .WriteByte ('z');
}else {_gccc :=_fcfe .base256Tobase85 (_afce );for _ ,_eabd :=range _gccc [:_fgfe +1]{_gdec .WriteByte (_eabd +'!');};};};_gdec .WriteString ("\u007e\u003e");return _gdec .Bytes (),nil ;};

// UpdateParams updates the parameter values of the encoder.
func (_fbdff *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _bfbb ,_ddba :=GetNumberAsInt64 (params .Get ("\u004b"));_ddba ==nil {_fbdff .K =int (_bfbb );};if _bdfd ,_ddaa :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_ddaa ==nil {_fbdff .Columns =int (_bdfd );}else if _bdfd ,_ddaa =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_ddaa ==nil {_fbdff .Columns =int (_bdfd );};if _fdac ,_becdg :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_becdg ==nil {_fbdff .BlackIs1 =_fdac > 0;}else {if _fgae ,_gedde :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_gedde {_fbdff .BlackIs1 =_fgae ;}else {if _geef ,_dbcf :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_dbcf {_ddbe ,_dcdd :=_geef .ToIntegerArray ();if _dcdd ==nil {_fbdff .BlackIs1 =_ddbe [0]==1&&_ddbe [1]==0;};};};};if _dgb ,_bgac :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_bgac ==nil {_fbdff .EncodedByteAlign =_dgb > 0;}else {if _gab ,_bbfga :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_bbfga {_fbdff .EncodedByteAlign =_gab ;};};if _ebbb ,_agfb :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_agfb ==nil {_fbdff .EndOfLine =_ebbb > 0;}else {if _gcg ,_eddd :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_eddd {_fbdff .EndOfLine =_gcg ;};};if _fbdg ,_gfcf :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));
_gfcf ==nil {_fbdff .Rows =int (_fbdg );}else if _fbdg ,_gfcf =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_gfcf ==nil {_fbdff .Rows =int (_fbdg );};if _eedd ,_beeb :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_beeb ==nil {_fbdff .EndOfBlock =_eedd > 0;}else {if _acdc ,_bdcd :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_bdcd {_fbdff .EndOfBlock =_acdc ;};};if _cdcfb ,_fdba :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_fdba !=nil {_fbdff .DamagedRowsBeforeError =int (_cdcfb );};};func (_gcce *PdfParser )parseDetailedHeader ()(_efc error ){_gcce ._eca .Seek (0,_fcb .SeekStart );_gcce ._agge =_ega .NewReader (_gcce ._eca );_bdf :=20;_fee :=make ([]byte ,_bdf );var (_bagc bool ;
_ecd int ;);for {_ecfg ,_aeeb :=_gcce ._agge .ReadByte ();if _aeeb !=nil {if _aeeb ==_fcb .EOF {break ;}else {return _aeeb ;};};if IsDecimalDigit (_ecfg )&&_fee [_bdf -1]=='.'&&IsDecimalDigit (_fee [_bdf -2])&&_fee [_bdf -3]=='-'&&_fee [_bdf -4]=='F'&&_fee [_bdf -5]=='D'&&_fee [_bdf -6]=='P'&&_fee [_bdf -7]=='%'{_gcce ._ccgcd =Version {Major :int (_fee [_bdf -2]-'0'),Minor :int (_ecfg -'0')};
_gcce ._eeab ._cgc =_ecd -7;_bagc =true ;break ;};_ecd ++;_fee =append (_fee [1:_bdf ],_ecfg );};if !_bagc {return _fc .Errorf ("n\u006f \u0066\u0069\u006c\u0065\u0020\u0068\u0065\u0061d\u0065\u0072\u0020\u0066ou\u006e\u0064");};_cebd ,_efc :=_gcce ._agge .ReadByte ();
if _efc ==_fcb .EOF {return _fc .Errorf ("\u006eo\u0074\u0020\u0061\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0050d\u0066\u0020\u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074");};if _efc !=nil {return _efc ;};_gcce ._eeab ._aead =_cebd =='\n';_cebd ,_efc =_gcce ._agge .ReadByte ();
if _efc !=nil {return _fc .Errorf ("\u006e\u006f\u0074\u0020a\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0070\u0064\u0066 \u0064o\u0063\u0075\u006d\u0065\u006e\u0074\u003a \u0025\u0077",_efc );};if _cebd !='%'{return nil ;};_gag :=make ([]byte ,4);_ ,_efc =_gcce ._agge .Read (_gag );
if _efc !=nil {return _fc .Errorf ("\u006e\u006f\u0074\u0020a\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0070\u0064\u0066 \u0064o\u0063\u0075\u006d\u0065\u006e\u0074\u003a \u0025\u0077",_efc );};_gcce ._eeab ._dgeb =[4]byte {_gag [0],_gag [1],_gag [2],_gag [3]};
return nil ;};type xrefType int ;func (_decfc *PdfParser )parseHexString ()(*PdfObjectString ,error ){_decfc ._agge .ReadByte ();var _degd _fbe .Buffer ;for {_beddc ,_agcd :=_decfc ._agge .Peek (1);if _agcd !=nil {return MakeString (""),_agcd ;};if _beddc [0]=='>'{_decfc ._agge .ReadByte ();
break ;};_ccdb ,_ :=_decfc ._agge .ReadByte ();if _decfc ._fcce {if _fbe .IndexByte (_fbfc ,_ccdb )==-1{_decfc ._eeab ._fcad =true ;};};if !IsWhiteSpace (_ccdb ){_degd .WriteByte (_ccdb );};};if _degd .Len ()%2==1{_decfc ._eeab ._eefe =true ;_degd .WriteRune ('0');
};_ffagg ,_ :=_eg .DecodeString (_degd .String ());return MakeHexString (string (_ffagg )),nil ;};

// DecodeStream implements ASCII hex decoding.
func (_bac *ASCIIHexEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _bac .DecodeBytes (streamObj .Stream );};func (_ddegc *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _feae *PdfObjectDictionary ;_eded ,_cbfe :=_ddegc .readTextLine ();
if _cbfe !=nil {return nil ,_cbfe ;};if _ddegc ._fcce &&_eb .Count (_eb .TrimPrefix (_eded ,"\u0078\u0072\u0065\u0066"),"\u0020")> 0{_ddegc ._eeab ._eadf =true ;};_df .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_eded );
_edbb :=-1;_begag :=0;_cfgf :=false ;_fcec :="";for {_ddegc .skipSpaces ();_ ,_bcef :=_ddegc ._agge .Peek (1);if _bcef !=nil {return nil ,_bcef ;};_eded ,_bcef =_ddegc .readTextLine ();if _bcef !=nil {return nil ,_bcef ;};_agcbb :=_faff .FindStringSubmatch (_eded );
if len (_agcbb )==0{_dbdg :=len (_fcec )> 0;_fcec +=_eded +"\u000a";if _dbdg {_agcbb =_faff .FindStringSubmatch (_fcec );};};if len (_agcbb )==3{if _ddegc ._fcce &&!_ddegc ._eeab ._eaab {var (_eddc bool ;_dgfc int ;);for _ ,_fbcd :=range _eded {if _cc .IsDigit (_fbcd ){if _eddc {break ;
};continue ;};if !_eddc {_eddc =true ;};_dgfc ++;};if _dgfc > 1{_ddegc ._eeab ._eaab =true ;};};_dbbdd ,_ :=_g .Atoi (_agcbb [1]);_agbbd ,_ :=_g .Atoi (_agcbb [2]);_edbb =_dbbdd ;_begag =_agbbd ;_cfgf =true ;_fcec ="";_df .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",_edbb ,_begag );
continue ;};_fgcgb :=_dcfda .FindStringSubmatch (_eded );if len (_fgcgb )==4{if !_cfgf {_df .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 ,_b .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_eaga ,_ :=_g .ParseInt (_fgcgb [1],10,64);_fgacc ,_ :=_g .Atoi (_fgcgb [2]);_deaf :=_fgcgb [3];_fcec ="";if _eb .ToLower (_deaf )=="\u006e"&&_eaga > 1{_dagag ,_dcgc :=_ddegc ._aadbf .ObjectMap [_edbb ];if !_dcgc ||_fgacc > _dagag .Generation {_fgbb :=XrefObject {ObjectNumber :_edbb ,XType :XrefTypeTableEntry ,Offset :_eaga ,Generation :_fgacc };
_ddegc ._aadbf .ObjectMap [_edbb ]=_fgbb ;};};_edbb ++;continue ;};if (len (_eded )> 6)&&(_eded [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_df .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_eded );
if len (_eded )> 9{_efe :=_ddegc .GetFileOffset ();_ddegc .SetFileOffset (_efe -int64 (len (_eded ))+7);};_ddegc .skipSpaces ();_ddegc .skipComments ();_df .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_df .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_eded );_feae ,_bcef =_ddegc .ParseDict ();_df .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _bcef !=nil {_df .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",_bcef );return nil ,_bcef ;};break ;};if _eded =="\u0025\u0025\u0045O\u0046"{_df .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 ,_b .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");};_df .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_eded );
};_df .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 _ddegc ._eccb ==nil {_gfgg :=XrefTypeTableEntry ;_ddegc ._eccb =&_gfgg ;};return _feae ,nil ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_eefc *MultiEncoder )MakeDecodeParams ()PdfObject {if len (_eefc ._afec )==0{return nil ;};if len (_eefc ._afec )==1{return _eefc ._afec [0].MakeDecodeParams ();};_ggdg :=MakeArray ();_ebcb :=true ;for _ ,_fdgb :=range _eefc ._afec {_abcc :=_fdgb .MakeDecodeParams ();
if _abcc ==nil {_ggdg .Append (MakeNull ());}else {_ebcb =false ;_ggdg .Append (_abcc );};};if _ebcb {return nil ;};return _ggdg ;};

// 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 (_ebbe *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_fba :=_fbe .NewReader (encoded );var _dadb []byte ;for {_faea ,_fgg :=_fba .ReadByte ();if _fgg !=nil {return nil ,_fgg ;};if _faea > 128{_fdfg ,_addd :=_fba .ReadByte ();if _addd !=nil {return nil ,_addd ;
};for _abg :=0;_abg < 257-int (_faea );_abg ++{_dadb =append (_dadb ,_fdfg );};}else if _faea < 128{for _bgca :=0;_bgca < int (_faea )+1;_bgca ++{_gaaa ,_acbb :=_fba .ReadByte ();if _acbb !=nil {return nil ,_acbb ;};_dadb =append (_dadb ,_gaaa );};}else {break ;
};};return _dadb ,nil ;};

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

// PdfObjectFloat represents the primitive PDF floating point numerical object.
type PdfObjectFloat float64 ;

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

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

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

// GetPreviousRevisionReadSeeker returns ReadSeeker for the previous version of the Pdf document.
func (_fgbg *PdfParser )GetPreviousRevisionReadSeeker ()(_fcb .ReadSeeker ,error ){if _bcff :=_fgbg .seekToEOFMarker (_fgbg ._afdbc -_eage );_bcff !=nil {return nil ,_bcff ;};_gccfg ,_adafc :=_fgbg ._eca .Seek (0,_fcb .SeekCurrent );if _adafc !=nil {return nil ,_adafc ;
};_gccfg +=_eage ;return _bbdgd (_fgbg ._eca ,_gccfg );};func (_bedgfd *PdfParser )repairSeekXrefMarker ()error {_dadf ,_ecefa :=_bedgfd ._eca .Seek (0,_fcb .SeekEnd );if _ecefa !=nil {return _ecefa ;};_gcfg :=_ec .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");
var _gfaba int64 ;var _ccfda int64 =1000;for _gfaba < _dadf {if _dadf <=(_ccfda +_gfaba ){_ccfda =_dadf -_gfaba ;};_ ,_aacc :=_bedgfd ._eca .Seek (-_gfaba -_ccfda ,_fcb .SeekEnd );if _aacc !=nil {return _aacc ;};_fbaab :=make ([]byte ,_ccfda );_bedgfd ._eca .Read (_fbaab );
_df .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_fbaab ));_aedcc :=_gcfg .FindAllStringIndex (string (_fbaab ),-1);if _aedcc !=nil {_feea :=_aedcc [len (_aedcc )-1];
_df .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_aedcc );_bedgfd ._eca .Seek (-_gfaba -_ccfda +int64 (_feea [0]),_fcb .SeekEnd );_bedgfd ._agge =_ega .NewReader (_bedgfd ._eca );for {_abede ,_bdbbf :=_bedgfd ._agge .Peek (1);if _bdbbf !=nil {return _bdbbf ;
};_df .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_abede [0],_abede [0]);if !IsWhiteSpace (_abede [0]){break ;};_bedgfd ._agge .Discard (1);};return nil ;};_df .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");
_gfaba +=_ccfda ;};_df .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 _b .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};

// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_cede *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _cafg _fbe .Buffer ;_eaf :=_fbe .NewReader (encoded );var _dgf _fcb .ReadCloser ;if _cede .EarlyChange ==1{_dgf =_bb .NewReader (_eaf ,_bb .MSB ,8);}else {_dgf =_fb .NewReader (_eaf ,_fb .MSB ,8);
};defer _dgf .Close ();if _ ,_aaeb :=_cafg .ReadFrom (_dgf );_aaeb !=nil {if _aaeb !=_fcb .ErrUnexpectedEOF ||_cafg .Len ()==0{return nil ,_aaeb ;};_df .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",_aaeb );
};return _cafg .Bytes (),nil ;};

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

// 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 ;};

// 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 )(_ecdcb *PdfObjectBool ,_bfbf bool ){_ecdcb ,_bfbf =TraceToDirectObject (obj ).(*PdfObjectBool );return _ecdcb ,_bfbf ;};var _cdbdb _e .Map ;var _dcb =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_ffeb *LZWEncoder )MakeDecodeParams ()PdfObject {if _ffeb .Predictor > 1{_bfdb :=MakeDict ();_bfdb .Set ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr",MakeInteger (int64 (_ffeb .Predictor )));if _ffeb .BitsPerComponent !=8{_bfdb .Set ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074",MakeInteger (int64 (_ffeb .BitsPerComponent )));
};if _ffeb .Columns !=1{_bfdb .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_ffeb .Columns )));};if _ffeb .Colors !=1{_bfdb .Set ("\u0043\u006f\u006c\u006f\u0072\u0073",MakeInteger (int64 (_ffeb .Colors )));};return _bfdb ;};return nil ;
};func (_beec *PdfParser )checkLinearizedInformation (_cbgg *PdfObjectDictionary )(bool ,error ){var _fegag error ;_beec ._ebcba ,_fegag =GetNumberAsInt64 (_cbgg .Get ("\u004c"));if _fegag !=nil {return false ,_fegag ;};_fegag =_beec .seekToEOFMarker (_beec ._ebcba );
switch _fegag {case nil :return true ,nil ;case _babe :return false ,nil ;default:return false ,_fegag ;};};

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

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

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

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_fcgg *PdfParser )GetFileOffset ()int64 {_dgdf ,_ :=_fcgg ._eca .Seek (0,_fcb .SeekCurrent );_dgdf -=int64 (_fcgg ._agge .Buffered ());return _dgdf ;};

// Append appends PdfObject(s) to the array.
func (_gggf *PdfObjectArray )Append (objects ...PdfObject ){if _gggf ==nil {_df .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 ;};_gggf ._eabbb =append (_gggf ._eabbb ,objects ...);};

// String returns a string describing `streams`.
func (_cggf *PdfObjectStreams )String ()string {return _fc .Sprintf ("\u004f\u0062j\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0025\u0064",_cggf .ObjectNumber );};func _gafe ()string {return _df .Version };func _dbdd (_cef *PdfObjectStream ,_gaac *MultiEncoder )(*DCTEncoder ,error ){_aagb :=NewDCTEncoder ();
_efca :=_cef .PdfObjectDictionary ;if _efca ==nil {return _aagb ,nil ;};_bfdc :=_cef .Stream ;if _gaac !=nil {_dged ,_fedab :=_gaac .DecodeBytes (_bfdc );if _fedab !=nil {return nil ,_fedab ;};_bfdc =_dged ;};_feab :=_fbe .NewReader (_bfdc );_fgf ,_ccg :=_da .DecodeConfig (_feab );
if _ccg !=nil {_df .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_ccg );return nil ,_ccg ;};switch _fgf .ColorModel {case _fd .RGBAModel :_aagb .BitsPerComponent =8;
_aagb .ColorComponents =3;case _fd .RGBA64Model :_aagb .BitsPerComponent =16;_aagb .ColorComponents =3;case _fd .GrayModel :_aagb .BitsPerComponent =8;_aagb .ColorComponents =1;case _fd .Gray16Model :_aagb .BitsPerComponent =16;_aagb .ColorComponents =1;
case _fd .CMYKModel :_aagb .BitsPerComponent =8;_aagb .ColorComponents =4;case _fd .YCbCrModel :_aagb .BitsPerComponent =8;_aagb .ColorComponents =3;default:return nil ,_b .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_aagb .Width =_fgf .Width ;_aagb .Height =_fgf .Height ;_df .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_aagb );_aagb .Quality =DefaultJPEGQuality ;return _aagb ,nil ;};

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

// 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 ))};

// 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 (_daed *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _daed .isDecrypted (obj ){return nil ;};switch _ead :=obj .(type ){case *PdfIndirectObject :_daed ._ae [_ead ]=true ;_df .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",_ead .ObjectNumber ,_ead .GenerationNumber );
_aab :=_ead .ObjectNumber ;_bge :=_ead .GenerationNumber ;_bgab :=_daed .Decrypt (_ead .PdfObject ,_aab ,_bge );if _bgab !=nil {return _bgab ;};return nil ;case *PdfObjectStream :_daed ._ae [_ead ]=true ;_dafee :=_ead .PdfObjectDictionary ;if _daed ._eef .R !=5{if _fea ,_ebef :=_dafee .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_ebef &&*_fea =="\u0058\u0052\u0065\u0066"{return nil ;};};_cac :=_ead .ObjectNumber ;_cbg :=_ead .GenerationNumber ;_df .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_cac ,_cbg );
_acd :=_cab ;if _daed ._edcd .V >=4{_acd =_daed ._fed ;_df .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_daed ._fed );if _dff ,_caag :=_dafee .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_caag {if _ffa ,_cfad :=GetName (_dff .Get (0));_cfad {if *_ffa =="\u0043\u0072\u0079p\u0074"{_acd ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _acdb ,_fbfd :=_dafee .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_fbfd {if _aefd ,_fag :=_acdb .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_fag {if _ ,_ceeg :=_daed ._gce [string (*_aefd )];_ceeg {_df .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_aefd );
_acd =string (*_aefd );};};};};};};_df .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_acd );if _acd =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_adg :=_daed .Decrypt (_dafee ,_cac ,_cbg );
if _adg !=nil {return _adg ;};_dfae ,_adg :=_daed .makeKey (_acd ,uint32 (_cac ),uint32 (_cbg ),_daed ._cbf );if _adg !=nil {return _adg ;};_ead .Stream ,_adg =_daed .decryptBytes (_ead .Stream ,_acd ,_dfae );if _adg !=nil {return _adg ;};_dafee .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_ead .Stream ))));
return nil ;case *PdfObjectString :_df .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_dbe :=_cab ;if _daed ._edcd .V >=4{_df .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_daed ._fbff );
if _daed ._fbff =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_dbe =_daed ._fbff ;};_gade ,_eed :=_daed .makeKey (_dbe ,uint32 (parentObjNum ),uint32 (parentGenNum ),_daed ._cbf );if _eed !=nil {return _eed ;};_fcdg :=_ead .Str ();
_feda :=make ([]byte ,len (_fcdg ));for _fce :=0;_fce < len (_fcdg );_fce ++{_feda [_fce ]=_fcdg [_fce ];};if len (_feda )> 0{_df .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_feda ,_feda );
_feda ,_eed =_daed .decryptBytes (_feda ,_dbe ,_gade );if _eed !=nil {return _eed ;};};_ead ._dcbda =string (_feda );return nil ;case *PdfObjectArray :for _ ,_ggb :=range _ead .Elements (){_beg :=_daed .Decrypt (_ggb ,parentObjNum ,parentGenNum );if _beg !=nil {return _beg ;
};};return nil ;case *PdfObjectDictionary :_dfcf :=false ;if _ceb :=_ead .Get ("\u0054\u0079\u0070\u0065");_ceb !=nil {_dfcd ,_gdda :=_ceb .(*PdfObjectName );if _gdda &&*_dfcd =="\u0053\u0069\u0067"{_dfcf =true ;};};for _ ,_gbg :=range _ead .Keys (){_gdab :=_ead .Get (_gbg );
if _dfcf &&string (_gbg )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_gbg )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_gbg )!="\u0050\u0072\u0065\u0076"&&string (_gbg )!="\u004c\u0061\u0073\u0074"{_eedb :=_daed .Decrypt (_gdab ,parentObjNum ,parentGenNum );
if _eedb !=nil {return _eedb ;};};};return nil ;};return nil ;};

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

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

// Seek implementation of Seek interface.
func (_aeded *limitedReadSeeker )Seek (offset int64 ,whence int )(int64 ,error ){var _bcafcb int64 ;switch whence {case _fcb .SeekStart :_bcafcb =offset ;case _fcb .SeekCurrent :_aedg ,_gbef :=_aeded ._cfaa .Seek (0,_fcb .SeekCurrent );if _gbef !=nil {return 0,_gbef ;
};_bcafcb =_aedg +offset ;case _fcb .SeekEnd :_bcafcb =_aeded ._dacc +offset ;};if _fbfb :=_aeded .getError (_bcafcb );_fbfb !=nil {return 0,_fbfb ;};if _ ,_gbed :=_aeded ._cfaa .Seek (_bcafcb ,_fcb .SeekStart );_gbed !=nil {return 0,_gbed ;};return _bcafcb ,nil ;
};func (_fceb *PdfCrypt )generateParams (_cgaa ,_gaa []byte )error {_bab :=_fceb .securityHandler ();_dge ,_eeeb :=_bab .GenerateParams (&_fceb ._eef ,_gaa ,_cgaa );if _eeeb !=nil {return _eeeb ;};_fceb ._cbf =_dge ;return nil ;};

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

// GetUpdatedObjects returns pdf objects which were updated from the specific version (from prevParser).
func (_gaaeg *PdfParser )GetUpdatedObjects (prevParser *PdfParser )(map[int64 ]PdfObject ,error ){if prevParser ==nil {return nil ,_b .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");
};_dfbd ,_ggcd :=_gaaeg .getNumbersOfUpdatedObjects (prevParser );if _ggcd !=nil {return nil ,_ggcd ;};_gegc :=make (map[int64 ]PdfObject );for _ ,_bcdgg :=range _dfbd {if _adbc ,_bcdfd :=_gaaeg .LookupByNumber (_bcdgg );_bcdfd ==nil {_gegc [int64 (_bcdgg )]=_adbc ;
}else {return nil ,_bcdfd ;};};return _gegc ,nil ;};

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

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

// Len returns the number of elements in the streams.
func (_dcbbb *PdfObjectStreams )Len ()int {if _dcbbb ==nil {return 0;};return len (_dcbbb ._afcf );};func _ggf (_fbfa *_ga .StdEncryptDict ,_dea *PdfObjectDictionary )error {R ,_gff :=_dea .Get ("\u0052").(*PdfObjectInteger );if !_gff {return _b .New ("\u0065\u006e\u0063\u0072y\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006ea\u0072y\u0020\u006d\u0069\u0073\u0073\u0069\u006eg\u0020\u0052");
};if *R < 2||*R > 6{return _fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0052 \u0028\u0025\u0064\u0029",*R );};_fbfa .R =int (*R );O ,_gff :=_dea .GetString ("\u004f");if !_gff {return _b .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 _fbfa .R ==5||_fbfa .R ==6{if len (O )< 48{return _fc .Errorf ("\u004c\u0065\u006e\u0067th\u0028\u004f\u0029\u0020\u003c\u0020\u0034\u0038\u0020\u0028\u0025\u0064\u0029",len (O ));};}else if len (O )!=32{return _fc .Errorf ("L\u0065n\u0067\u0074\u0068\u0028\u004f\u0029\u0020\u0021=\u0020\u0033\u0032\u0020(%\u0064\u0029",len (O ));
};_fbfa .O =[]byte (O );U ,_gff :=_dea .GetString ("\u0055");if !_gff {return _b .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 _fbfa .R ==5||_fbfa .R ==6{if len (U )< 48{return _fc .Errorf ("\u004c\u0065\u006e\u0067th\u0028\u0055\u0029\u0020\u003c\u0020\u0034\u0038\u0020\u0028\u0025\u0064\u0029",len (U ));
};}else if len (U )!=32{_df .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 ));};_fbfa .U =[]byte (U );if _fbfa .R >=5{OE ,_gec :=_dea .GetString ("\u004f\u0045");
if !_gec {return _b .New ("\u0065\u006ec\u0072\u0079\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0020\u006d\u0069\u0073\u0073\u0069\u006eg \u004f\u0045");}else if len (OE )!=32{return _fc .Errorf ("L\u0065\u006e\u0067\u0074h(\u004fE\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (OE ));
};_fbfa .OE =[]byte (OE );UE ,_gec :=_dea .GetString ("\u0055\u0045");if !_gec {return _b .New ("\u0065\u006ec\u0072\u0079\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0020\u006d\u0069\u0073\u0073\u0069\u006eg \u0055\u0045");
}else if len (UE )!=32{return _fc .Errorf ("L\u0065\u006e\u0067\u0074h(\u0055E\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (UE ));};_fbfa .UE =[]byte (UE );};P ,_gff :=_dea .Get ("\u0050").(*PdfObjectInteger );if !_gff {return _b .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");
};_fbfa .P =_ga .Permissions (*P );if _fbfa .R ==6{Perms ,_deb :=_dea .GetString ("\u0050\u0065\u0072m\u0073");if !_deb {return _b .New ("\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006ea\u0072y\u0020\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0020\u0050\u0065\u0072\u006d\u0073");
}else if len (Perms )!=16{return _fc .Errorf ("\u004ce\u006e\u0067\u0074\u0068\u0028\u0050\u0065\u0072\u006d\u0073\u0029 \u0021\u003d\u0020\u0031\u0036\u0020\u0028\u0025\u0064\u0029",len (Perms ));};_fbfa .Perms =[]byte (Perms );};if _agb ,_ecg :=_dea .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_ecg {_fbfa .EncryptMetadata =bool (*_agb );}else {_fbfa .EncryptMetadata =true ;};return nil ;};

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

// 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 )(_abcb *PdfObjectFloat ,_cddd bool ){_abcb ,_cddd =TraceToDirectObject (obj ).(*PdfObjectFloat );return _abcb ,_cddd ;};

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

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

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

// WriteString outputs the object as it is to be written to file.
func (_ecade *PdfObjectReference )WriteString ()string {var _cgaf _eb .Builder ;_cgaf .WriteString (_g .FormatInt (_ecade .ObjectNumber ,10));_cgaf .WriteString ("\u0020");_cgaf .WriteString (_g .FormatInt (_ecade .GenerationNumber ,10));_cgaf .WriteString ("\u0020\u0052");
return _cgaf .String ();};func _bagcf (_fecge PdfObject ,_ecgba int ,_acbe map[PdfObject ]struct{})error {_df .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",_ecgba );
if _ ,_gfef :=_acbe [_fecge ];_gfef {_df .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_acbe [_fecge ]=struct{}{};switch _caaa :=_fecge .(type ){case *PdfIndirectObject :_debge :=_caaa ;
_df .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_debge );_df .Log .Trace ("\u002d\u0020\u0025\u0073",_debge .PdfObject );return _bagcf (_debge .PdfObject ,_ecgba +1,_acbe );case *PdfObjectStream :_efcc :=_caaa ;return _bagcf (_efcc .PdfObjectDictionary ,_ecgba +1,_acbe );
case *PdfObjectDictionary :_afge :=_caaa ;_df .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_afge );for _ ,_eafb :=range _afge .Keys (){_efce :=_afge .Get (_eafb );if _ffcf ,_bdcg :=_efce .(*PdfObjectReference );_bdcg {_baace :=_ffcf .Resolve ();
_afge .Set (_eafb ,_baace );_agdab :=_bagcf (_baace ,_ecgba +1,_acbe );if _agdab !=nil {return _agdab ;};}else {_fdgbb :=_bagcf (_efce ,_ecgba +1,_acbe );if _fdgbb !=nil {return _fdgbb ;};};};return nil ;case *PdfObjectArray :_gbda :=_caaa ;_df .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_gbda );
for _bfff ,_ggcc :=range _gbda .Elements (){if _bgeff ,_bcdfg :=_ggcc .(*PdfObjectReference );_bcdfg {_cdadad :=_bgeff .Resolve ();_gbda .Set (_bfff ,_cdadad );_abdba :=_bagcf (_cdadad ,_ecgba +1,_acbe );if _abdba !=nil {return _abdba ;};}else {_cgeda :=_bagcf (_ggcc ,_ecgba +1,_acbe );
if _cgeda !=nil {return _cgeda ;};};};return nil ;case *PdfObjectReference :_df .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 _b .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};return nil ;};func _agaa (_aaac string )(PdfObjectReference ,error ){_abdc :=PdfObjectReference {};_aece :=_ffdd .FindStringSubmatch (_aaac );if len (_aece )< 3{_df .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
return _abdc ,_b .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");};_dggg ,_ :=_g .Atoi (_aece [1]);_bae ,_ :=_g .Atoi (_aece [2]);_abdc .ObjectNumber =int64 (_dggg );_abdc .GenerationNumber =int64 (_bae );
return _abdc ,nil ;};

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

// Clear resets the dictionary to an empty state.
func (_dacgg *PdfObjectDictionary )Clear (){_dacgg ._dedbc =[]PdfObjectName {};_dacgg ._fffc =map[PdfObjectName ]PdfObject {};_dacgg ._ggdaa =&_e .Mutex {};};

// GetFilterName returns the name of the encoding filter.
func (_bdfe *JBIG2Encoder )GetFilterName ()string {return StreamEncodingFilterNameJBIG2 };func (_bfaa *PdfObjectFloat )String ()string {return _fc .Sprintf ("\u0025\u0066",*_bfaa )};

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

// 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 (_gbea *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _abea []int64 ;for _ ,_abgd :=range _gbea .Elements (){if _ebea ,_gfead :=_abgd .(*PdfObjectInteger );_gfead {_abea =append (_abea ,int64 (*_ebea ));}else {return nil ,ErrTypeError ;};};
return _abea ,nil ;};

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

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

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_fgee *ASCIIHexEncoder )MakeStreamDict ()*PdfObjectDictionary {_gaf :=MakeDict ();_gaf .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_fgee .GetFilterName ()));return _gaf ;};func (_gacg *PdfParser )parseXrefStream (_gfaa *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _gfaa !=nil {_df .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",_gfaa );
_gacg ._eca .Seek (int64 (*_gfaa ),_fcb .SeekStart );_gacg ._agge =_ega .NewReader (_gacg ._eca );};_ecff :=_gacg .GetFileOffset ();_cgfcc ,_ggdd :=_gacg .ParseIndirectObject ();if _ggdd !=nil {_df .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 ,_b .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");};_df .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_cgfcc );
_acacc ,_egf :=_cgfcc .(*PdfObjectStream );if !_egf {_df .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 ,_b .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");};_abebe :=_acacc .PdfObjectDictionary ;
_cfggd ,_egf :=_acacc .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_egf {_df .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 ,_b .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 (*_cfggd )> 8388607{_df .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",*_cfggd );
return nil ,_b .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_agff :=_acacc .PdfObjectDictionary .Get ("\u0057");_bfad ,_egf :=_agff .(*PdfObjectArray );if !_egf {return nil ,_b .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_fefc :=_bfad .Len ();if _fefc !=3{_df .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",_fefc );
return nil ,_b .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 _bbfd []int64 ;for _cdca :=0;_cdca < 3;
_cdca ++{_cagg ,_gabe :=GetInt (_bfad .Get (_cdca ));if !_gabe {return nil ,_b .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_bbfd =append (_bbfd ,int64 (*_cagg ));};_affdc ,_ggdd :=DecodeStream (_acacc );
if _ggdd !=nil {_df .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",_ggdd );return nil ,_ggdd ;};_dbce :=int (_bbfd [0]);
_dagaa :=int (_bbfd [0]+_bbfd [1]);_acfb :=int (_bbfd [0]+_bbfd [1]+_bbfd [2]);_fbgc :=int (_bbfd [0]+_bbfd [1]+_bbfd [2]);if _dbce < 0||_dagaa < 0||_acfb < 0{_df .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",_dbce ,_dagaa ,_acfb );
return nil ,_b .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _fbgc ==0{_df .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 _abebe ,nil ;};_gega :=len (_affdc )/_fbgc ;_defb :=0;_gfgd :=_acacc .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _cacg []int ;if _gfgd !=nil {_df .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_gfgd );_fdea ,_fgga :=_gfgd .(*PdfObjectArray );
if !_fgga {_df .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 ,_b .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _fdea .Len ()%2!=0{_df .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 ,_b .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_defb =0;_abdgd ,_afdf :=_fdea .ToIntegerArray ();if _afdf !=nil {_df .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",_afdf );
return nil ,_afdf ;};for _agbca :=0;_agbca < len (_abdgd );_agbca +=2{_gedef :=_abdgd [_agbca ];_bcdf :=_abdgd [_agbca +1];for _abga :=0;_abga < _bcdf ;_abga ++{_cacg =append (_cacg ,_gedef +_abga );};_defb +=_bcdf ;};}else {for _cadd :=0;_cadd < int (*_cfggd );
_cadd ++{_cacg =append (_cacg ,_cadd );};_defb =int (*_cfggd );};if _gega ==_defb +1{_df .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");
_bdcf :=_defb -1;for _ ,_ceda :=range _cacg {if _ceda > _bdcf {_bdcf =_ceda ;};};_cacg =append (_cacg ,_bdcf +1);_defb ++;};if _gega !=len (_cacg ){_df .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",_gega ,len (_cacg ));
return nil ,_b .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");};_df .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_defb );
_df .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_cacg );_cadg :=func (_cdae []byte )int64 {var _aafg int64 ;for _bcga :=0;_bcga < len (_cdae );_bcga ++{_aafg +=int64 (_cdae [_bcga ])*(1<<uint (8*(len (_cdae )-_bcga -1)));
};return _aafg ;};_df .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_affdc ));_fafcf :=0;for _ggbe :=0;_ggbe < len (_affdc );_ggbe +=_fbgc {_ebcg :=_faeg (len (_affdc ),_ggbe ,_ggbe +_dbce );
if _ebcg !=nil {_df .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_ebcg );return nil ,_ebcg ;};_gdgc :=_affdc [_ggbe :_ggbe +_dbce ];_ebcg =_faeg (len (_affdc ),_ggbe +_dbce ,_ggbe +_dagaa );
if _ebcg !=nil {_df .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_ebcg );return nil ,_ebcg ;};_affb :=_affdc [_ggbe +_dbce :_ggbe +_dagaa ];_ebcg =_faeg (len (_affdc ),_ggbe +_dagaa ,_ggbe +_acfb );
if _ebcg !=nil {_df .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_ebcg );return nil ,_ebcg ;};_dcfb :=_affdc [_ggbe +_dagaa :_ggbe +_acfb ];_bgfda :=_cadg (_gdgc );
_fagd :=_cadg (_affb );_begc :=_cadg (_dcfb );if _bbfd [0]==0{_bgfda =1;};if _fafcf >=len (_cacg ){_df .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 ;};_ecfge :=_cacg [_fafcf ];_fafcf ++;_df .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_ecfge ,_gdgc );_df .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_ecfge ,_affb );_df .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_ecfge ,_dcfb );
_df .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_ecfge ,_bgfda ,_fagd ,_begc );if _bgfda ==0{_df .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 _bgfda ==1{_df .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",_affb );if _fagd ==_ecff {_df .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",_ecfge ,_acacc .ObjectNumber );
_ecfge =int (_acacc .ObjectNumber );};if _dagdc ,_degcb :=_gacg ._aadbf .ObjectMap [_ecfge ];!_degcb ||int (_begc )> _dagdc .Generation {_fbab :=XrefObject {ObjectNumber :_ecfge ,XType :XrefTypeTableEntry ,Offset :_fagd ,Generation :int (_begc )};_gacg ._aadbf .ObjectMap [_ecfge ]=_fbab ;
};}else if _bgfda ==2{_df .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 _ ,_cfaf :=_gacg ._aadbf .ObjectMap [_ecfge ];!_cfaf {_cbfed :=XrefObject {ObjectNumber :_ecfge ,XType :XrefTypeObjectStream ,OsObjNumber :int (_fagd ),OsObjIndex :int (_begc )};
_gacg ._aadbf .ObjectMap [_ecfge ]=_cbfed ;_df .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_cbfed );};}else {_df .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 _gacg ._eccb ==nil {_ddced :=XrefTypeObjectStream ;_gacg ._eccb =&_ddced ;};return _abebe ,nil ;};

// HasInvalidHexRunes implements core.ParserMetadata interface.
func (_afe ParserMetadata )HasInvalidHexRunes ()bool {return _afe ._fcad };

// 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 )(_fcea *PdfObjectStream ,_egcee bool ){obj =ResolveReference (obj );_fcea ,_egcee =obj .(*PdfObjectStream );return _fcea ,_egcee ;};func _abeg (_cfeef string )(int ,int ,error ){_edcdc :=_bega .FindStringSubmatch (_cfeef );
if len (_edcdc )< 3{return 0,0,_b .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");
};_cgdbc ,_ :=_g .Atoi (_edcdc [1]);_cadbb ,_ :=_g .Atoi (_edcdc [2]);return _cgdbc ,_cadbb ,nil ;};

// ParserMetadata is the parser based metadata information about document.
// The data here could be used on document verification.
type ParserMetadata struct{_cgc int ;_aead bool ;_dgeb [4]byte ;_eff bool ;_eefe bool ;_fcad bool ;_becc bool ;_eaab bool ;_eadf bool ;};

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

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_fffc map[PdfObjectName ]PdfObject ;_dedbc []PdfObjectName ;_ggdaa *_e .Mutex ;_gdecd *PdfParser ;};

// MakeNull creates an PdfObjectNull.
func MakeNull ()*PdfObjectNull {_bcebf :=PdfObjectNull {};return &_bcebf };func (_eece *ASCII85Encoder )base256Tobase85 (_fede uint32 )[5]byte {_ebc :=[5]byte {0,0,0,0,0};_gdaga :=_fede ;for _dcc :=0;_dcc < 5;_dcc ++{_efff :=uint32 (1);for _ebg :=0;_ebg < 4-_dcc ;
_ebg ++{_efff *=85;};_afd :=_gdaga /_efff ;_gdaga =_gdaga %_efff ;_ebc [_dcc ]=byte (_afd );};return _ebc ;};func _eaae (_efbcg *PdfObjectStream ,_dbgb *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;};

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

// 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 (_ccd *LZWEncoder )EncodeBytes (data []byte )([]byte ,error ){if _ccd .Predictor !=1{return nil ,_fc .Errorf ("\u004c\u005aW \u0050\u0072\u0065d\u0069\u0063\u0074\u006fr =\u00201 \u006f\u006e\u006c\u0079\u0020\u0073\u0075pp\u006f\u0072\u0074\u0065\u0064\u0020\u0079e\u0074");
};if _ccd .EarlyChange ==1{return nil ,_fc .Errorf ("\u004c\u005a\u0057\u0020\u0045\u0061\u0072\u006c\u0079\u0020\u0043\u0068\u0061n\u0067\u0065\u0020\u003d\u0020\u0030 \u006f\u006e\u006c\u0079\u0020\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065d\u0020\u0079\u0065\u0074");
};var _bcdb _fbe .Buffer ;_dafg :=_fb .NewWriter (&_bcdb ,_fb .MSB ,8);_dafg .Write (data );_dafg .Close ();return _bcdb .Bytes (),nil ;};

// ParseNumber parses a numeric objects from a buffered stream.
// Section 7.3.3.
// Integer or Float.
//
// An integer shall be written as one or more decimal digits optionally
// preceded by a sign. The value shall be interpreted as a signed
// decimal integer and shall be converted to an integer object.
//
// A real value shall be written as one or more decimal digits with an
// optional sign and a leading, trailing, or embedded PERIOD (2Eh)
// (decimal point). The value shall be interpreted as a real number
// and shall be converted to a real object.
//
// Regarding exponential numbers: 7.3.3 Numeric Objects:
// A conforming writer shall not use the PostScript syntax for numbers
// with non-decimal radices (such as 16#FFFE) or in exponential format
// (such as 6.02E23).
// Nonetheless, we sometimes get numbers with exponential format, so
// we will support it in the reader (no confusion with other types, so
// no compromise).
func ParseNumber (buf *_ega .Reader )(PdfObject ,error ){_agdbdb :=false ;_fdbac :=true ;var _bbge _fbe .Buffer ;for {if _df .Log .IsLogLevel (_df .LogLevelTrace ){_df .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_bbge .String ());
};_cagd ,_bfbfd :=buf .Peek (1);if _bfbfd ==_fcb .EOF {break ;};if _bfbfd !=nil {_df .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_bfbfd );return nil ,_bfbfd ;};if _fdbac &&(_cagd [0]=='-'||_cagd [0]=='+'){_bbac ,_ :=buf .ReadByte ();
_bbge .WriteByte (_bbac );_fdbac =false ;}else if IsDecimalDigit (_cagd [0]){_gdeee ,_ :=buf .ReadByte ();_bbge .WriteByte (_gdeee );}else if _cagd [0]=='.'{_efbce ,_ :=buf .ReadByte ();_bbge .WriteByte (_efbce );_agdbdb =true ;}else if _cagd [0]=='e'||_cagd [0]=='E'{_aefdb ,_ :=buf .ReadByte ();
_bbge .WriteByte (_aefdb );_agdbdb =true ;_fdbac =true ;}else {break ;};};var _bfcfb PdfObject ;if _agdbdb {_caed ,_ebcbg :=_g .ParseFloat (_bbge .String (),64);if _ebcbg !=nil {_df .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",_bbge .String (),_ebcbg );
_caed =0.0;};_fdfa :=PdfObjectFloat (_caed );_bfcfb =&_fdfa ;}else {_cgaad ,_efae :=_g .ParseInt (_bbge .String (),10,64);if _efae !=nil {_df .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",_bbge .String (),_efae );
_cgaad =0;};_agbbf :=PdfObjectInteger (_cgaad );_bfcfb =&_agbbf ;};return _bfcfb ,nil ;};

// WriteString outputs the object as it is to be written to file.
func (_eecc *PdfObjectBool )WriteString ()string {if *_eecc {return "\u0074\u0072\u0075\u0065";};return "\u0066\u0061\u006cs\u0065";};func _gfbe (_cff *PdfObjectStream ,_becd *PdfObjectDictionary )(*LZWEncoder ,error ){_fabg :=NewLZWEncoder ();_fdeb :=_cff .PdfObjectDictionary ;
if _fdeb ==nil {return _fabg ,nil ;};if _becd ==nil {_dfcb :=TraceToDirectObject (_fdeb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _dfcb !=nil {if _ffad ,_cge :=_dfcb .(*PdfObjectDictionary );_cge {_becd =_ffad ;}else if _geae ,_cdfa :=_dfcb .(*PdfObjectArray );
_cdfa {if _geae .Len ()==1{if _febg ,_ccffg :=GetDict (_geae .Get (0));_ccffg {_becd =_febg ;};};};if _becd ==nil {_df .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",_dfcb );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_baab :=_fdeb .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _baab !=nil {_egg ,_agag :=_baab .(*PdfObjectInteger );
if !_agag {_df .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",_baab );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_egg !=0&&*_egg !=1{return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065\u0020\u0076\u0061\u006c\u0075e\u0020\u0028\u006e\u006f\u0074 \u0030\u0020o\u0072\u0020\u0031\u0029");
};_fabg .EarlyChange =int (*_egg );}else {_fabg .EarlyChange =1;};if _becd ==nil {return _fabg ,nil ;};if _fcbf ,_daga :=GetIntVal (_becd .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_daga {if _fcbf ==0||_fcbf ==1{_fabg .EarlyChange =_fcbf ;
}else {_df .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",_fcbf );};};_baab =_becd .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _baab !=nil {_bbfef ,_dagad :=_baab .(*PdfObjectInteger );if !_dagad {_df .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",_baab );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_fabg .Predictor =int (*_bbfef );};_baab =_becd .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _baab !=nil {_cfab ,_aaab :=_baab .(*PdfObjectInteger );if !_aaab {_df .Log .Debug ("\u0045\u0052\u0052O\u0052\u003a\u0020\u0049n\u0076\u0061\u006c\u0069\u0064\u0020\u0042i\u0074\u0073\u0050\u0065\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
return nil ,_fc .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_fabg .BitsPerComponent =int (*_cfab );};if _fabg .Predictor > 1{_fabg .Columns =1;_baab =_becd .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _baab !=nil {_bbdg ,_eaeg :=_baab .(*PdfObjectInteger );if !_eaeg {return nil ,_fc .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_fabg .Columns =int (*_bbdg );
};_fabg .Colors =1;_baab =_becd .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _baab !=nil {_fdgd ,_abed :=_baab .(*PdfObjectInteger );if !_abed {return nil ,_fc .Errorf ("\u0070\u0072\u0065d\u0069\u0063\u0074\u006fr\u0020\u0063\u006f\u006c\u006f\u0072\u0073 \u006e\u006f\u0074\u0020\u0061\u006e\u0020\u0069\u006e\u0074\u0065\u0067\u0065\u0072");
};_fabg .Colors =int (*_fdgd );};};_df .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_becd .String ());return _fabg ,nil ;};

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

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

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

// String returns the PDF version as a string. Implements interface fmt.Stringer.
func (_eaee Version )String ()string {return _fc .Sprintf ("\u00250\u0064\u002e\u0025\u0030\u0064",_eaee .Major ,_eaee .Minor );};func _baa (_aad XrefTable ){_df .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");_df .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");
_gdd :=0;for _ ,_cdd :=range _aad .ObjectMap {_df .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",_gdd +1,_cdd .ObjectNumber ,_cdd .Generation ,_cdd .Offset );
_gdd ++;};};

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

// 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 _dbbdf ,_bfbeg :=obj .(*PdfObjectReference );_bfbeg {obj =_dbbdf .Resolve ();};_bfac ,_debcg :=obj .(*PdfIndirectObject );_fbed :=0;for _debcg {obj =_bfac .PdfObject ;_bfac ,_debcg =GetIndirect (obj );
_fbed ++;if _fbed > _gddf {_df .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",_gddf );
return nil ;};};return obj ;};func (_fa *PdfParser )lookupObjectViaOS (_dc int ,_faa int )(PdfObject ,error ){var _fg *_fbe .Reader ;var _ag objectStream ;var _ebd bool ;_ag ,_ebd =_fa ._gdcc [_dc ];if !_ebd {_cd ,_ddg :=_fa .LookupByNumber (_dc );if _ddg !=nil {_df .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",_dc );
return nil ,_ddg ;};_ab ,_dcf :=_cd .(*PdfObjectStream );if !_dcf {return nil ,_b .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _fa ._dcfef !=nil &&!_fa ._dcfef .isDecrypted (_ab ){return nil ,_b .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");
};_bg :=_ab .PdfObjectDictionary ;_df .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_bg .String ());_ecc ,_dcf :=_bg .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_dcf {_df .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 ,_b .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 _eb .ToLower (string (*_ecc ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_df .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 ,_b .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 ,_dcf :=_bg .Get ("\u004e").(*PdfObjectInteger );if !_dcf {return nil ,_b .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");
};_fcc ,_dcf :=_bg .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_dcf {return nil ,_b .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");
};_df .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",_ecc ,*N );_fab ,_ddg :=DecodeStream (_ab );if _ddg !=nil {return nil ,_ddg ;
};_df .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_fab );_eda :=_fa .GetFileOffset ();defer func (){_fa .SetFileOffset (_eda )}();_fg =_fbe .NewReader (_fab );_fa ._agge =_ega .NewReader (_fg );_df .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_gc :=map[int ]int64 {};for _bd :=0;_bd < int (*N );_bd ++{_fa .skipSpaces ();_abf ,_ee :=_fa .parseNumber ();if _ee !=nil {return nil ,_ee ;};_bf ,_agc :=_abf .(*PdfObjectInteger );if !_agc {return nil ,_b .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");
};_fa .skipSpaces ();_abf ,_ee =_fa .parseNumber ();if _ee !=nil {return nil ,_ee ;};_cced ,_agc :=_abf .(*PdfObjectInteger );if !_agc {return nil ,_b .New ("\u0069\u006e\u0076al\u0069\u0064\u0020\u006f\u0062\u006a\u0065\u0063\u0074 \u0073t\u0072e\u0061m\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0074\u0061\u0062\u006c\u0065");
};_df .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_bf ,*_cced );_gc [int (*_bf )]=int64 (*_fcc +*_cced );};_ag =objectStream {N :int (*N ),_ebe :_fab ,_bc :_gc };_fa ._gdcc [_dc ]=_ag ;}else {_fgb :=_fa .GetFileOffset ();
defer func (){_fa .SetFileOffset (_fgb )}();_fg =_fbe .NewReader (_ag ._ebe );_fa ._agge =_ega .NewReader (_fg );};_gd :=_ag ._bc [_faa ];_df .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_faa ,_gd );
_fg .Seek (_gd ,_fcb .SeekStart );_fa ._agge =_ega .NewReader (_fg );_cdf ,_ :=_fa ._agge .Peek (100);_df .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_cdf ));_ac ,_bfd :=_fa .parseObject ();if _bfd !=nil {_df .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",_bfd );
return nil ,_bfd ;};if _ac ==nil {return nil ,_b .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");};_fge :=PdfIndirectObject {};_fge .ObjectNumber =int64 (_faa );_fge .PdfObject =_ac ;_fge ._abad =_fa ;
return &_fge ,nil ;};

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

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

// Encode encodes previously prepare jbig2 document and stores it as the byte slice.
func (_aba *JBIG2Encoder )Encode ()(_gfg []byte ,_eeeda error ){const _afaa ="J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u002e\u0045\u006eco\u0064\u0065";if _aba ._cdef ==nil {return nil ,_de .Errorf (_afaa ,"\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");
};_aba ._cdef .FullHeaders =_aba .DefaultPageSettings .FileMode ;_gfg ,_eeeda =_aba ._cdef .Encode ();if _eeeda !=nil {return nil ,_de .Wrap (_eeeda ,_afaa ,"");};return _gfg ,nil ;};func (_cgdb *PdfCrypt )isEncrypted (_ffg PdfObject )bool {_ ,_agd :=_cgdb ._aed [_ffg ];
if _agd {_df .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");return true ;};_df .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};var _faff =_ec .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");func (_eeff *PdfParser )readTextLine ()(string ,error ){var _dcg _fbe .Buffer ;for {_bdgb ,_bcece :=_eeff ._agge .Peek (1);
if _bcece !=nil {_df .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_bcece .Error ());return _dcg .String (),_bcece ;};if (_bdgb [0]!='\r')&&(_bdgb [0]!='\n'){_bage ,_ :=_eeff ._agge .ReadByte ();_dcg .WriteByte (_bage );}else {break ;
};};return _dcg .String (),nil ;};

// 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 ;};

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

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

// DecodeGlobals decodes 'encoded' byte stream and returns their Globally defined segments ('Globals').
func (_eaag *JBIG2Encoder )DecodeGlobals (encoded []byte )(_cbd .Globals ,error ){return _cbd .DecodeGlobals (encoded );};func (_agce *PdfParser )repairLocateXref ()(int64 ,error ){_baca :=int64 (1000);_agce ._eca .Seek (-_baca ,_fcb .SeekCurrent );_ddge ,_ccfff :=_agce ._eca .Seek (0,_fcb .SeekCurrent );
if _ccfff !=nil {return 0,_ccfff ;};_eeea :=make ([]byte ,_baca );_agce ._eca .Read (_eeea );_fcaa :=_ffed .FindAllStringIndex (string (_eeea ),-1);if len (_fcaa )< 1{_df .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,_b .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");};_bgga :=int64 (_fcaa [len (_fcaa )-1][0]);_gace :=_ddge +_bgga ;return _gace ,nil ;};

// HasInvalidSeparationAfterXRef implements core.ParserMetadata interface.
func (_bcd ParserMetadata )HasInvalidSeparationAfterXRef ()bool {return _bcd ._eadf };

// 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 ;};

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

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

// For predictors
Columns int ;Rows int ;Colors int ;_bbfa *_dd .ImageBase ;};type objectStreams map[int ]objectStream ;func (_bca *PdfCrypt )encryptBytes (_baf []byte ,_bdd string ,_ged []byte )([]byte ,error ){_df .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_cbee ,_eeg :=_bca ._gce [_bdd ];if !_eeg {return nil ,_fc .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_bdd );};return _cbee .EncryptBytes (_baf ,_ged );};

// 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 )(_deac *PdfIndirectObject ,_ceeb bool ){obj =ResolveReference (obj );_deac ,_ceeb =obj .(*PdfIndirectObject );return _deac ,_ceeb ;};

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

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

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

// DecodeStream decodes RunLengthEncoded stream object and give back decoded bytes.
func (_aaef *RunLengthEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _aaef .DecodeBytes (streamObj .Stream );};var _fbfc =[]byte ("\u0030\u0031\u0032\u003345\u0036\u0037\u0038\u0039\u0061\u0062\u0063\u0064\u0065\u0066\u0041\u0042\u0043\u0044E\u0046");
func (_eeaa *PdfParser )parseArray ()(*PdfObjectArray ,error ){_fdace :=MakeArray ();_eeaa ._agge .ReadByte ();for {_eeaa .skipSpaces ();_aafdf ,_bdbb :=_eeaa ._agge .Peek (1);if _bdbb !=nil {return _fdace ,_bdbb ;};if _aafdf [0]==']'{_eeaa ._agge .ReadByte ();
break ;};_agfg ,_bdbb :=_eeaa .parseObject ();if _bdbb !=nil {return _fdace ,_bdbb ;};_fdace .Append (_agfg );};return _fdace ,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 _cafe _fbe .Buffer ;_cafe .Write ([]byte {0xFE,0xFF});_cafe .WriteString (_gg .StringToUTF16 (s ));return &PdfObjectString {_dcbda :_cafe .String (),_cfdd :true };};return &PdfObjectString {_dcbda :string (_gg .StringToPDFDocEncoding (s )),_cfdd :false };
};type limitedReadSeeker struct{_cfaa _fcb .ReadSeeker ;_dacc int64 ;};func (_bbfb *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_bbfb ._eca .Seek (0,_fcb .SeekStart );_bbfb ._agge =_ega .NewReader (_bbfb ._eca );_egbfc :=20;_ddafb :=make ([]byte ,_egbfc );
for {_cffba ,_gcaed :=_bbfb ._agge .ReadByte ();if _gcaed !=nil {if _gcaed ==_fcb .EOF {break ;}else {return 0,0,_gcaed ;};};if IsDecimalDigit (_cffba )&&_ddafb [_egbfc -1]=='.'&&IsDecimalDigit (_ddafb [_egbfc -2])&&_ddafb [_egbfc -3]=='-'&&_ddafb [_egbfc -4]=='F'&&_ddafb [_egbfc -5]=='D'&&_ddafb [_egbfc -6]=='P'{_edfd :=int (_ddafb [_egbfc -2]-'0');
_abgaf :=int (_cffba -'0');return _edfd ,_abgaf ,nil ;};_ddafb =append (_ddafb [1:_egbfc ],_cffba );};return 0,0,_b .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};func (_ffbb *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_fcb .SeekStart {offset +=_ffbb ._deee ;
};_dbaa ,_eddb :=_ffbb ._bfdba .Seek (offset ,whence );if _eddb !=nil {return _dbaa ,_eddb ;};if whence ==_fcb .SeekCurrent {_dbaa -=_ffbb ._deee ;};if _dbaa < 0{return 0,_b .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 _dbaa ,nil ;};var _bbaa =_ec .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");

// 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 _bddb (obj ,0)};const _bceca =32<<(^uint (0)>>63);

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_fcf *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _fcf .Predictor !=1&&_fcf .Predictor !=11{_df .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 _fcf .Predictor ==11{_eeebb :=_fcf .Columns ;_agda :=len (data )/_eeebb ;if len (data )%_eeebb !=0{_df .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_b .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_edec :=_fbe .NewBuffer (nil );_aefc :=make ([]byte ,_eeebb );for _fbccg :=0;_fbccg < _agda ;_fbccg ++{_geg :=data [_eeebb *_fbccg :_eeebb *(_fbccg +1)];
_aefc [0]=_geg [0];for _edeb :=1;_edeb < _eeebb ;_edeb ++{_aefc [_edeb ]=byte (int (_geg [_edeb ]-_geg [_edeb -1])%256);};_edec .WriteByte (1);_edec .Write (_aefc );};data =_edec .Bytes ();};var _adbe _fbe .Buffer ;_aabf :=_cce .NewWriter (&_adbe );_aabf .Write (data );
_aabf .Close ();return _adbe .Bytes (),nil ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_geaa *RunLengthEncoder )MakeDecodeParams ()PdfObject {return nil };func (_ggba *PdfParser )getNumbersOfUpdatedObjects (_aeacf *PdfParser )([]int ,error ){if _aeacf ==nil {return nil ,_b .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");
};_begaa :=_aeacf ._afdbc ;_cdea :=make ([]int ,0);_dcfbb :=make (map[int ]interface{});_fgfd :=make (map[int ]int64 );for _bfgb ,_dbfb :=range _ggba ._aadbf .ObjectMap {if _dbfb .Offset ==0{if _dbfb .OsObjNumber !=0{if _cebe ,_ggac :=_ggba ._aadbf .ObjectMap [_dbfb .OsObjNumber ];
_ggac {_dcfbb [_dbfb .OsObjNumber ]=struct{}{};_fgfd [_bfgb ]=_cebe .Offset ;}else {return nil ,_b .New ("u\u006ed\u0065\u0066\u0069\u006e\u0065\u0064\u0020\u0078r\u0065\u0066\u0020\u0074ab\u006c\u0065");};};}else {_fgfd [_bfgb ]=_dbfb .Offset ;};};for _cfec ,_bfdaf :=range _fgfd {if _ ,_bgfcd :=_dcfbb [_cfec ];
_bgfcd {continue ;};if _bfdaf > _begaa {_cdea =append (_cdea ,_cfec );};};return _cdea ,nil ;};func _gdfe (_dbgg _dd .Image )*JBIG2Image {_egd :=_dbgg .Base ();return &JBIG2Image {Data :_egd .Data ,Width :_egd .Width ,Height :_egd .Height ,HasPadding :true };
};

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

// HasInvalidSubsectionHeader implements core.ParserMetadata interface.
func (_egc ParserMetadata )HasInvalidSubsectionHeader ()bool {return _egc ._eaab };type objectCache map[int ]PdfObject ;

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

// GetFilterName returns the name of the encoding filter.
func (_ggge *FlateEncoder )GetFilterName ()string {return StreamEncodingFilterNameFlate };func (_dafa *JBIG2Image )toBitmap ()(_aefce *_aa .Bitmap ,_agbb error ){const _addb ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";
if _dafa .Data ==nil {return nil ,_de .Error (_addb ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");};if _dafa .Width ==0||_dafa .Height ==0{return nil ,_de .Error (_addb ,"\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 _dafa .HasPadding {_aefce ,_agbb =_aa .NewWithData (_dafa .Width ,_dafa .Height ,_dafa .Data );}else {_aefce ,_agbb =_aa .NewWithUnpaddedData (_dafa .Width ,_dafa .Height ,_dafa .Data );};if _agbb !=nil {return nil ,_de .Wrap (_agbb ,_addb ,"");};
return _aefce ,nil ;};func (_aebga *PdfObjectDictionary )setWithLock (_deafg PdfObjectName ,_fagc PdfObject ,_dcce bool ){if _dcce {_aebga ._ggdaa .Lock ();defer _aebga ._ggdaa .Unlock ();};_ ,_fgccb :=_aebga ._fffc [_deafg ];if !_fgccb {_aebga ._dedbc =append (_aebga ._dedbc ,_deafg );
};_aebga ._fffc [_deafg ]=_fagc ;};var _dcfda =_ec .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");

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

// 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 ;};

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_ddegf :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _ddegf ==nil {return NewRawEncoder (),nil ;};if _ ,_ecece :=_ddegf .(*PdfObjectNull );
_ecece {return NewRawEncoder (),nil ;};_baaba ,_dgebb :=_ddegf .(*PdfObjectName );if !_dgebb {_gecf ,_fadag :=_ddegf .(*PdfObjectArray );if !_fadag {return nil ,_fc .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072 \u006e\u006f\u0074\u0020\u0061\u0020\u004e\u0061\u006d\u0065\u0020\u006f\u0072 \u0041\u0072\u0072\u0061\u0079\u0020\u006fb\u006a\u0065\u0063\u0074");
};if _gecf .Len ()==0{return NewRawEncoder (),nil ;};if _gecf .Len ()!=1{_deed ,_ebabc :=_cecgf (streamObj );if _ebabc !=nil {_df .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",_ebabc );
return nil ,_ebabc ;};_df .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_deed );return _deed ,nil ;};_ddegf =_gecf .Get (0);_baaba ,_fadag =_ddegf .(*PdfObjectName );if !_fadag {return nil ,_fc .Errorf ("\u0066\u0069l\u0074\u0065\u0072\u0020a\u0072\u0072a\u0079\u0020\u006d\u0065\u006d\u0062\u0065\u0072 \u006e\u006f\u0074\u0020\u0061\u0020\u004e\u0061\u006d\u0065\u0020\u006fb\u006a\u0065\u0063\u0074");
};};if _dgfd ,_fdcbe :=_cdbdb .Load (_baaba .String ());_fdcbe {return _dgfd .(StreamEncoder ),nil ;};switch *_baaba {case StreamEncodingFilterNameFlate :return _cgcg (streamObj ,nil );case StreamEncodingFilterNameLZW :return _gfbe (streamObj ,nil );case StreamEncodingFilterNameDCT :return _dbdd (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _eaae (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _dfea (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _bdfc (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_df .Log .Debug ("E\u0052\u0052\u004f\u0052\u003a\u0020U\u006e\u0073\u0075\u0070\u0070\u006fr\u0074\u0065\u0064\u0020\u0065\u006e\u0063o\u0064\u0069\u006e\u0067\u0020\u006d\u0065\u0074\u0068\u006fd\u0021");
return nil ,_fc .Errorf ("\u0075\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0065\u006e\u0063o\u0064i\u006e\u0067\u0020\u006d\u0065\u0074\u0068\u006f\u0064\u0020\u0028\u0025\u0073\u0029",*_baaba );};

// 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 (_fgdbg *PdfParser )readComment ()(string ,error ){var _dcaae _fbe .Buffer ;_ ,_dgbb :=_fgdbg .skipSpaces ();if _dgbb !=nil {return _dcaae .String (),_dgbb ;};_bcbd :=true ;for {_bgfd ,_gbfg :=_fgdbg ._agge .Peek (1);if _gbfg !=nil {_df .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_gbfg .Error ());
return _dcaae .String (),_gbfg ;};if _bcbd &&_bgfd [0]!='%'{return _dcaae .String (),_b .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");};_bcbd =false ;if (_bgfd [0]!='\r')&&(_bgfd [0]!='\n'){_gfbb ,_ :=_fgdbg ._agge .ReadByte ();
_dcaae .WriteByte (_gfbb );}else {break ;};};return _dcaae .String (),nil ;};

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_eba *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_gcb ,_afb :=obj .(*PdfObjectReference );if !_afb {return obj ,nil ;};_aae :=_eba .GetFileOffset ();defer func (){_eba .SetFileOffset (_aae )}();_cea ,_ge :=_eba .LookupByReference (*_gcb );
if _ge !=nil {return nil ,_ge ;};_fdd ,_eeb :=_cea .(*PdfIndirectObject );if !_eeb {return _cea ,nil ;};_cea =_fdd .PdfObject ;_ ,_afb =_cea .(*PdfObjectReference );if _afb {return _fdd ,_b .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 _cea ,nil ;};

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

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

// 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 _af .Image ,bwThreshold float64 )(*JBIG2Image ,error ){const _aacd ="\u0047\u006f\u0049\u006d\u0061\u0067\u0065\u0054\u006fJ\u0042\u0049\u0047\u0032";if i ==nil {return nil ,_de .Error (_aacd ,"i\u006d\u0061\u0067\u0065 '\u0069'\u0020\u006e\u006f\u0074\u0020d\u0065\u0066\u0069\u006e\u0065\u0064");
};var (_fedd uint8 ;_cagf _dd .Image ;_ccgc error ;);if bwThreshold ==JB2ImageAutoThreshold {_cagf ,_ccgc =_dd .MonochromeConverter .Convert (i );}else if bwThreshold > 1.0||bwThreshold < 0.0{return nil ,_de .Error (_aacd ,"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 {_fedd =uint8 (255*bwThreshold );_cagf ,_ccgc =_dd .MonochromeThresholdConverter (_fedd ).Convert (i );};if _ccgc !=nil {return nil ,_ccgc ;};return _gdfe (_cagf ),nil ;};

// GetString is a helper for Get that returns a string value.
// Returns false if the key is missing or a value is not a string.
func (_bfed *PdfObjectDictionary )GetString (key PdfObjectName )(string ,bool ){_geaeg :=_bfed .Get (key );if _geaeg ==nil {return "",false ;};_caac ,_abaf :=_geaeg .(*PdfObjectString );if !_abaf {return "",false ;};return _caac .Str (),true ;};

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

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

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

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

// 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 )(_geeeg string ,_ageg bool ){_eadbf ,_ageg :=TraceToDirectObject (obj ).(*PdfObjectName );if _ageg {return string (*_eadbf ),true ;};return ;};

// 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 (_adfb *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _fdgdb _dd .Gray ;switch len (data ){case _adfb .Rows *_adfb .Columns :_eaba ,_ddeg :=_dd .NewImage (_adfb .Columns ,_adfb .Rows ,8,1,data ,nil ,nil );if _ddeg !=nil {return nil ,_ddeg ;
};_fdgdb =_eaba .(_dd .Gray );case (_adfb .Columns *_adfb .Rows )+7>>3:_acc ,_fecbd :=_dd .NewImage (_adfb .Columns ,_adfb .Rows ,1,1,data ,nil ,nil );if _fecbd !=nil {return nil ,_fecbd ;};_gcgg :=_acc .(*_dd .Monochrome );if _fecbd =_gcgg .AddPadding ();
_fecbd !=nil {return nil ,_fecbd ;};_fdgdb =_gcgg ;default:if len (data )< _dd .BytesPerLine (_adfb .Columns ,1,1)*_adfb .Rows {return nil ,_b .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_cade ,_edfc :=_dd .NewImage (_adfb .Columns ,_adfb .Rows ,1,1,data ,nil ,nil );if _edfc !=nil {return nil ,_edfc ;};_ggc :=_cade .(*_dd .Monochrome );_fdgdb =_ggc ;};_baac :=make ([][]byte ,_adfb .Rows );for _eced :=0;_eced < _adfb .Rows ;_eced ++{_bccd :=make ([]byte ,_adfb .Columns );
for _afa :=0;_afa < _adfb .Columns ;_afa ++{_dacg :=_fdgdb .GrayAt (_afa ,_eced );_bccd [_afa ]=_dacg .Y >>7;};_baac [_eced ]=_bccd ;};_efbda :=&_caa .Encoder {K :_adfb .K ,Columns :_adfb .Columns ,EndOfLine :_adfb .EndOfLine ,EndOfBlock :_adfb .EndOfBlock ,BlackIs1 :_adfb .BlackIs1 ,DamagedRowsBeforeError :_adfb .DamagedRowsBeforeError ,Rows :_adfb .Rows ,EncodedByteAlign :_adfb .EncodedByteAlign };
return _efbda .Encode (_baac ),nil ;};const _cab ="\u0053\u0074\u0064C\u0046";func (_fgcg *PdfParser )parsePdfVersion ()(int ,int ,error ){var _gecde int64 =20;_eecef :=make ([]byte ,_gecde );_fgcg ._eca .Seek (0,_fcb .SeekStart );_fgcg ._eca .Read (_eecef );
var _gccg error ;var _daaa ,_gdaf int ;if _daca :=_bbaa .FindStringSubmatch (string (_eecef ));len (_daca )< 3{if _daaa ,_gdaf ,_gccg =_fgcg .seekPdfVersionTopDown ();_gccg !=nil {_df .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,_gccg ;};_fgcg ._eca ,_gccg =_bece (_fgcg ._eca ,_fgcg .GetFileOffset ()-8);if _gccg !=nil {return 0,0,_gccg ;};}else {if _daaa ,_gccg =_g .Atoi (_daca [1]);_gccg !=nil {return 0,0,_gccg ;};if _gdaf ,_gccg =_g .Atoi (_daca [2]);_gccg !=nil {return 0,0,_gccg ;
};_fgcg .SetFileOffset (0);};_fgcg ._agge =_ega .NewReader (_fgcg ._eca );_df .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_daaa ,_gdaf );return _daaa ,_gdaf ,nil ;};

// MakeObjectStreams creates an PdfObjectStreams from a list of PdfObjects.
func MakeObjectStreams (objects ...PdfObject )*PdfObjectStreams {return &PdfObjectStreams {_afcf :objects };};func (_gea *PdfCrypt )checkAccessRights (_aff []byte )(bool ,_ga .Permissions ,error ){_abc :=_gea .securityHandler ();_cdb ,_eag ,_eae :=_abc .Authenticate (&_gea ._eef ,_aff );
if _eae !=nil {return false ,0,_eae ;}else if _eag ==0||len (_cdb )==0{return false ,0,nil ;};return true ,_eag ,nil ;};

// 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 ;_ed []XrefObject ;};

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

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

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

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

// EncodeBytes encodes the passed in slice of bytes by passing it through the
// EncodeBytes method of the underlying encoders.
func (_ebcc *MultiEncoder )EncodeBytes (data []byte )([]byte ,error ){_dfee :=data ;var _dfgb error ;for _adaa :=len (_ebcc ._afec )-1;_adaa >=0;_adaa --{_fedag :=_ebcc ._afec [_adaa ];_dfee ,_dfgb =_fedag .EncodeBytes (_dfee );if _dfgb !=nil {return nil ,_dfgb ;
};};return _dfee ,nil ;};func _bbdgd (_cgad _fcb .ReadSeeker ,_bcecg int64 )(*limitedReadSeeker ,error ){_ ,_cdac :=_cgad .Seek (0,_fcb .SeekStart );if _cdac !=nil {return nil ,_cdac ;};return &limitedReadSeeker {_cfaa :_cgad ,_dacc :_bcecg },nil ;};

// ParseIndirectObject parses an indirect object from the input stream. Can also be an object stream.
// Returns the indirect object (*PdfIndirectObject) or the stream object (*PdfObjectStream).
func (_cfbd *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_gccfe :=PdfIndirectObject {};_gccfe ._abad =_cfbd ;_df .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_gbdfb ,_cgga :=_cfbd ._agge .Peek (20);
if _cgga !=nil {if _cgga !=_fcb .EOF {_df .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 &_gccfe ,_cgga ;
};};_df .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_gbdfb ));_febgc :=_bega .FindStringSubmatchIndex (string (_gbdfb ));if len (_febgc )< 6{if _cgga ==_fcb .EOF {return nil ,_cgga ;
};_df .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 (_gbdfb ));
return &_gccfe ,_b .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");
};_cfbd ._agge .Discard (_febgc [0]);_df .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_febgc );_fagf :=_febgc [1]-_febgc [0];_gdce :=make ([]byte ,_fagf );_ ,_cgga =_cfbd .ReadAtLeast (_gdce ,_fagf );if _cgga !=nil {_df .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",_cgga );
return nil ,_cgga ;};_df .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_gdce );_baae :=_bega .FindStringSubmatch (string (_gdce ));if len (_baae )< 3{_df .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 (_gdce ));
return &_gccfe ,_b .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");
};_abdd ,_ :=_g .Atoi (_baae [1]);_edcc ,_ :=_g .Atoi (_baae [2]);_gccfe .ObjectNumber =int64 (_abdd );_gccfe .GenerationNumber =int64 (_edcc );for {_cgbe ,_cfbe :=_cfbd ._agge .Peek (2);if _cfbe !=nil {return &_gccfe ,_cfbe ;};_df .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_cgbe ),string (_cgbe ));
if IsWhiteSpace (_cgbe [0]){_cfbd .skipSpaces ();}else if _cgbe [0]=='%'{_cfbd .skipComments ();}else if (_cgbe [0]=='<')&&(_cgbe [1]=='<'){_df .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_gccfe .PdfObject ,_cfbe =_cfbd .ParseDict ();
_df .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_cfbe );if _cfbe !=nil {return &_gccfe ,_cfbe ;};_df .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 (_cgbe [0]=='/')||(_cgbe [0]=='(')||(_cgbe [0]=='[')||(_cgbe [0]=='<'){_gccfe .PdfObject ,_cfbe =_cfbd .parseObject ();if _cfbe !=nil {return &_gccfe ,_cfbe ;};_df .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 _cgbe [0]==']'{_df .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");
_cfbd ._agge .Discard (1);}else {if _cgbe [0]=='e'{_cfdf ,_egad :=_cfbd .readTextLine ();if _egad !=nil {return nil ,_egad ;};if len (_cfdf )>=6&&_cfdf [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _cgbe [0]=='s'{_cgbe ,_ =_cfbd ._agge .Peek (10);
if string (_cgbe [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_dbcb :=6;if len (_cgbe )> 6{if IsWhiteSpace (_cgbe [_dbcb ])&&_cgbe [_dbcb ]!='\r'&&_cgbe [_dbcb ]!='\n'{_df .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");
_cfbd ._eeab ._becc =true ;_dbcb ++;};if _cgbe [_dbcb ]=='\r'{_dbcb ++;if _cgbe [_dbcb ]=='\n'{_dbcb ++;};}else if _cgbe [_dbcb ]=='\n'{_dbcb ++;}else {_cfbd ._eeab ._becc =true ;};};_cfbd ._agge .Discard (_dbcb );_ffeg ,_dcbab :=_gccfe .PdfObject .(*PdfObjectDictionary );
if !_dcbab {return nil ,_b .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");};_df .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_ffeg );
_fbeg ,_debgf :=_cfbd .traceStreamLength (_ffeg .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _debgf !=nil {_df .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",_debgf );
return nil ,_debgf ;};_df .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_fbeg );_ffda ,_efcd :=_fbeg .(*PdfObjectInteger );if !_efcd {return nil ,_b .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");
};_fggaf :=*_ffda ;if _fggaf < 0{return nil ,_b .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");};_cgadc :=_cfbd .GetFileOffset ();
_gefe :=_cfbd .xrefNextObjectOffset (_cgadc );if _cgadc +int64 (_fggaf )> _gefe &&_gefe > _cgadc {_df .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_cgadc +int64 (_fggaf ));_df .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",_gefe );
_gdaa :=_gefe -_cgadc -17;if _gdaa < 0{return nil ,_b .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");
};_df .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",_gdaa );_fggaf =PdfObjectInteger (_gdaa );
_ffeg .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_gdaa ));};if int64 (_fggaf )> _cfbd ._afdbc {_df .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 ,_b .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");};_egfc :=make ([]byte ,_fggaf );
_ ,_debgf =_cfbd .ReadAtLeast (_egfc ,int (_fggaf ));if _debgf !=nil {_df .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_egfc ),_egfc );_df .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_debgf );
return nil ,_debgf ;};_gccec :=PdfObjectStream {};_gccec .Stream =_egfc ;_gccec .PdfObjectDictionary =_gccfe .PdfObject .(*PdfObjectDictionary );_gccec .ObjectNumber =_gccfe .ObjectNumber ;_gccec .GenerationNumber =_gccfe .GenerationNumber ;_gccec .PdfObjectReference ._abad =_cfbd ;
_cfbd .skipSpaces ();_cfbd ._agge .Discard (9);_cfbd .skipSpaces ();return &_gccec ,nil ;};};_gccfe .PdfObject ,_cfbe =_cfbd .parseObject ();if _gccfe .PdfObject ==nil {_df .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");
_gccfe .PdfObject =MakeNull ();};return &_gccfe ,_cfbe ;};};if _gccfe .PdfObject ==nil {_df .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");
_gccfe .PdfObject =MakeNull ();};_df .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_gccfe ,nil ;};const (DefaultJPEGQuality =75;);const JB2ImageAutoThreshold =-1.0;

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

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_agde *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_dce :=_fbe .NewReader (encoded );var _dgd []byte ;for {_bbgg ,_gbaa :=_dce .ReadByte ();if _gbaa !=nil {return nil ,_gbaa ;};if _bbgg =='>'{break ;};if IsWhiteSpace (_bbgg ){continue ;
};if (_bbgg >='a'&&_bbgg <='f')||(_bbgg >='A'&&_bbgg <='F')||(_bbgg >='0'&&_bbgg <='9'){_dgd =append (_dgd ,_bbgg );}else {_df .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",_bbgg );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0061\u0073\u0063\u0069\u0069\u0020\u0068e\u0078 \u0063\u0068\u0061\u0072\u0061\u0063\u0074\u0065\u0072\u0020\u0028\u0025\u0063\u0029",_bbgg );};};if len (_dgd )%2==1{_dgd =append (_dgd ,'0');
};_df .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_dgd );_dbgbc :=make ([]byte ,_eg .DecodedLen (len (_dgd )));_ ,_egbb :=_eg .Decode (_dbgbc ,_dgd );if _egbb !=nil {return nil ,_egbb ;};return _dbgbc ,nil ;};

// CCITTFaxEncoder implements Group3 and Group4 facsimile (fax) encoder/decoder.
type CCITTFaxEncoder struct{K int ;EndOfLine bool ;EncodedByteAlign bool ;Columns int ;Rows int ;EndOfBlock bool ;BlackIs1 bool ;DamagedRowsBeforeError int ;};func (_gdf *PdfCrypt )makeKey (_dag string ,_gcab ,_fff uint32 ,_efbd []byte )([]byte ,error ){_ebf ,_cbb :=_gdf ._gce [_dag ];
if !_cbb {return nil ,_fc .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_dag );};return _ebf .MakeKey (_gcab ,_fff ,_efbd );};

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

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

// 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 _adff (obj1 ,obj2 ,0)};func _fcac (_fef _cf .Filter ,_bec _ga .AuthEvent )*PdfObjectDictionary {if _bec ==""{_bec =_ga .EventDocOpen ;};_ecf :=MakeDict ();_ecf .Set ("\u0054\u0079\u0070\u0065",MakeName ("C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"));
_ecf .Set ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et",MakeName (string (_bec )));_ecf .Set ("\u0043\u0046\u004d",MakeName (_fef .Name ()));_ecf .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_fef .KeyLength ())));return _ecf ;};func (_gdb *PdfCrypt )isDecrypted (_gfd PdfObject )bool {_ ,_ddgfd :=_gdb ._ae [_gfd ];
if _ddgfd {_df .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");return true ;};switch _gadbf :=_gfd .(type ){case *PdfObjectStream :if _gdb ._eef .R !=5{if _ece ,_ebb :=_gadbf .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_ebb &&*_ece =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_ddgfd =_gdb ._fca [int (_gadbf .ObjectNumber )];_ddgfd {return true ;};switch _ceg :=_gadbf .PdfObject .(type ){case *PdfObjectDictionary :_gbae :=true ;for _ ,_bed :=range _dcb {if _ceg .Get (_bed )==nil {_gbae =false ;
break ;};};if _gbae {return true ;};};};_df .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");return false ;};

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

// Append appends PdfObject(s) to the streams.
func (_cgfbb *PdfObjectStreams )Append (objects ...PdfObject ){if _cgfbb ==nil {_df .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 ;};_cgfbb ._afcf =append (_cgfbb ._afcf ,objects ...);};const (JB2Generic JBIG2CompressionType =iota ;JB2SymbolCorrelation ;JB2SymbolRankHaus ;);func (_agdbd *PdfParser )parseLinearizedDictionary ()(*PdfObjectDictionary ,error ){_dabd ,_ebce :=_agdbd ._eca .Seek (0,_fcb .SeekEnd );
if _ebce !=nil {return nil ,_ebce ;};var _bafb int64 ;var _fada int64 =2048;for _bafb < _dabd -4{if _dabd <=(_fada +_bafb ){_fada =_dabd -_bafb ;};_ ,_fceca :=_agdbd ._eca .Seek (_bafb ,_fcb .SeekStart );if _fceca !=nil {return nil ,_fceca ;};_fbfce :=make ([]byte ,_fada );
_ ,_fceca =_agdbd ._eca .Read (_fbfce );if _fceca !=nil {return nil ,_fceca ;};_df .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 (_fbfce ));
_degcd :=_bega .FindAllStringIndex (string (_fbfce ),-1);if _degcd !=nil {_ecceg :=_degcd [0];_df .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_degcd );_ ,_ceae :=_agdbd ._eca .Seek (int64 (_ecceg [0]),_fcb .SeekStart );if _ceae !=nil {return nil ,_ceae ;
};_agdbd ._agge =_ega .NewReader (_agdbd ._eca );_ccgg ,_ceae :=_agdbd .ParseIndirectObject ();if _ceae !=nil {return nil ,nil ;};if _dfcc ,_fadb :=GetIndirect (_ccgg );_fadb {if _fegf ,_baed :=GetDict (_dfcc .PdfObject );_baed {if _ebca :=_fegf .Get ("\u004c\u0069\u006e\u0065\u0061\u0072\u0069\u007a\u0065\u0064");
_ebca !=nil {return _fegf ,nil ;};return nil ,nil ;};};return nil ,nil ;};_bafb +=_fada -4;};return nil ,_b .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");
};

// 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 {_cfeb :=PdfObjectString {_dcbda :s };return &_cfeb };

// ParseDict reads and parses a PDF dictionary object enclosed with '<<' and '>>'
func (_bgda *PdfParser )ParseDict ()(*PdfObjectDictionary ,error ){_df .Log .Trace ("\u0052\u0065\u0061\u0064\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020D\u0069\u0063\u0074\u0021");_dbbd :=MakeDict ();_dbbd ._gdecd =_bgda ;_cbfa ,_ :=_bgda ._agge .ReadByte ();
if _cbfa !='<'{return nil ,_b .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");};_cbfa ,_ =_bgda ._agge .ReadByte ();if _cbfa !='<'{return nil ,_b .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");
};for {_bgda .skipSpaces ();_bgda .skipComments ();_gccb ,_ebab :=_bgda ._agge .Peek (2);if _ebab !=nil {return nil ,_ebab ;};_df .Log .Trace ("D\u0069c\u0074\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_gccb ),string (_gccb ));
if (_gccb [0]=='>')&&(_gccb [1]=='>'){_df .Log .Trace ("\u0045\u004f\u0046\u0020\u0064\u0069\u0063\u0074\u0069o\u006e\u0061\u0072\u0079");_bgda ._agge .ReadByte ();_bgda ._agge .ReadByte ();break ;};_df .Log .Trace ("\u0050a\u0072s\u0065\u0020\u0074\u0068\u0065\u0020\u006e\u0061\u006d\u0065\u0021");
_bgef ,_ebab :=_bgda .parseName ();_df .Log .Trace ("\u004be\u0079\u003a\u0020\u0025\u0073",_bgef );if _ebab !=nil {_df .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",_ebab );
return nil ,_ebab ;};if len (_bgef )> 4&&_bgef [len (_bgef )-4:]=="\u006e\u0075\u006c\u006c"{_cefg :=_bgef [0:len (_bgef )-4];_df .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",_bgef );
_df .Log .Debug ("\u004e\u0065\u0077\u0020ke\u0079\u0020\u0022\u0025\u0073\u0022\u0020\u003d\u0020\u006e\u0075\u006c\u006c",_cefg );_bgda .skipSpaces ();_bdbc ,_ :=_bgda ._agge .Peek (1);if _bdbc [0]=='/'{_dbbd .Set (_cefg ,MakeNull ());continue ;};};_bgda .skipSpaces ();
_beeed ,_ebab :=_bgda .parseObject ();if _ebab !=nil {return nil ,_ebab ;};_dbbd .Set (_bgef ,_beeed );if _df .Log .IsLogLevel (_df .LogLevelTrace ){_df .Log .Trace ("\u0064\u0069\u0063\u0074\u005b\u0025\u0073\u005d\u0020\u003d\u0020\u0025\u0073",_bgef ,_beeed .String ());
};};_df .Log .Trace ("\u0072\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020\u0044\u0069\u0063\u0074\u0021");return _dbbd ,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 )(_edae string ,_fecc bool ){_ebccc ,_fecc :=TraceToDirectObject (obj ).(*PdfObjectString );if _fecc {return _ebccc .Str (),true ;};return ;};func (_dgeg *FlateEncoder )postDecodePredict (_bbcc []byte )([]byte ,error ){if _dgeg .Predictor > 1{if _dgeg .Predictor ==2{_df .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_df .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_dgeg .Colors );_bgcd :=_dgeg .Columns *_dgeg .Colors ;if _bgcd < 1{return []byte {},nil ;};_abebd :=len (_bbcc )/_bgcd ;if len (_bbcc )%_bgcd !=0{_df .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020T\u0049\u0046\u0046 \u0065\u006e\u0063\u006fd\u0069\u006e\u0067\u003a\u0020\u0049\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u002e\u002e\u002e");
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077 \u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064/\u0025\u0064\u0029",len (_bbcc ),_bgcd );};if _bgcd %_dgeg .Colors !=0{return nil ,_fc .Errorf ("\u0069\u006ev\u0061\u006c\u0069\u0064 \u0072\u006fw\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u0020(\u0025\u0064\u0029\u0020\u0066\u006f\u0072\u0020\u0063\u006f\u006c\u006fr\u0073\u0020\u0025\u0064",_bgcd ,_dgeg .Colors );
};if _bgcd > len (_bbcc ){_df .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",_bgcd ,len (_bbcc ));
return nil ,_b .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_df .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_bbcc ),_bbcc );
_fega :=_fbe .NewBuffer (nil );for _bgeg :=0;_bgeg < _abebd ;_bgeg ++{_cacb :=_bbcc [_bgcd *_bgeg :_bgcd *(_bgeg +1)];for _cfae :=_dgeg .Colors ;_cfae < _bgcd ;_cfae ++{_cacb [_cfae ]+=_cacb [_cfae -_dgeg .Colors ];};_fega .Write (_cacb );};_bff :=_fega .Bytes ();
_df .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_bff ),_bff );return _bff ,nil ;}else if _dgeg .Predictor >=10&&_dgeg .Predictor <=15{_df .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_baaf :=_dgeg .Columns *_dgeg .Colors +1;_aefdc :=len (_bbcc )/_baaf ;if len (_bbcc )%_baaf !=0{return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077 \u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064/\u0025\u0064\u0029",len (_bbcc ),_baaf );
};if _baaf > len (_bbcc ){_df .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",_baaf ,len (_bbcc ));
return nil ,_b .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cbeed :=_fbe .NewBuffer (nil );_df .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_dgeg .Columns );
_df .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_bbcc ),_baaf ,_aefdc );_fade :=make ([]byte ,_baaf );for _egb :=0;_egb < _baaf ;_egb ++{_fade [_egb ]=0;};
_bfaf :=_dgeg .Colors ;for _eefad :=0;_eefad < _aefdc ;_eefad ++{_gbba :=_bbcc [_baaf *_eefad :_baaf *(_eefad +1)];_aeag :=_gbba [0];switch _aeag {case _ggda :case _bged :for _cec :=1+_bfaf ;_cec < _baaf ;_cec ++{_gbba [_cec ]+=_gbba [_cec -_bfaf ];};case _cad :for _gdag :=1;
_gdag < _baaf ;_gdag ++{_gbba [_gdag ]+=_fade [_gdag ];};case _ecec :for _feaa :=1;_feaa < _bfaf +1;_feaa ++{_gbba [_feaa ]+=_fade [_feaa ]/2;};for _agee :=_bfaf +1;_agee < _baaf ;_agee ++{_gbba [_agee ]+=byte ((int (_gbba [_agee -_bfaf ])+int (_fade [_agee ]))/2);
};case _eefa :for _eea :=1;_eea < _baaf ;_eea ++{var _aca ,_cbbe ,_fgc byte ;_cbbe =_fade [_eea ];if _eea >=_bfaf +1{_aca =_gbba [_eea -_bfaf ];_fgc =_fade [_eea -_bfaf ];};_gbba [_eea ]+=_fcfeg (_aca ,_cbbe ,_fgc );};default:_df .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",_aeag ,_eefad );
return nil ,_fc .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_aeag );};copy (_fade ,_gbba );_cbeed .Write (_gbba [1:]);};_bda :=_cbeed .Bytes ();return _bda ,nil ;
}else {_df .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",_dgeg .Predictor );return nil ,_fc .Errorf ("\u0075\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0070\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020(\u0025\u0064\u0029",_dgeg .Predictor );
};};return _bbcc ,nil ;};

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

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_bgcad *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_adfa :=encoded ;var _acae error ;for _ ,_bafe :=range _bgcad ._afec {_df .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",_bafe ,_bafe );
_adfa ,_acae =_bafe .DecodeBytes (_adfa );if _acae !=nil {return nil ,_acae ;};};return _adfa ,nil ;};

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