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 (_fcg "bufio";_ca "bytes";_ee "compress/lzw";_g "compress/zlib";_a "crypto/md5";_fe "crypto/rand";_ffe "encoding/hex";_e "errors";_fc "fmt";_fg "github.com/unidoc/unipdf/v3/common";_df "github.com/unidoc/unipdf/v3/core/security";_fa "github.com/unidoc/unipdf/v3/core/security/crypt";
_fgc "github.com/unidoc/unipdf/v3/internal/ccittfax";_ad "github.com/unidoc/unipdf/v3/internal/imageutil";_fcd "github.com/unidoc/unipdf/v3/internal/jbig2";_gd "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";_gdf "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";
_ef "github.com/unidoc/unipdf/v3/internal/jbig2/document";_ac "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_bb "github.com/unidoc/unipdf/v3/internal/strutils";_fce "golang.org/x/image/tiff/lzw";_ea "golang.org/x/xerrors";_dc "image";_fd "image/color";
_b "image/jpeg";_ag "io";_f "reflect";_cd "regexp";_ff "sort";_c "strconv";_ae "strings";_de "sync";_fdd "time";);

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_ddee *LZWEncoder )MakeDecodeParams ()PdfObject {if _ddee .Predictor > 1{_afgg :=MakeDict ();_afgg .Set ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr",MakeInteger (int64 (_ddee .Predictor )));if _ddee .BitsPerComponent !=8{_afgg .Set ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074",MakeInteger (int64 (_ddee .BitsPerComponent )));
};if _ddee .Columns !=1{_afgg .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_ddee .Columns )));};if _ddee .Colors !=1{_afgg .Set ("\u0043\u006f\u006c\u006f\u0072\u0073",MakeInteger (int64 (_ddee .Colors )));};return _afgg ;};return nil ;
};func (_edc *PdfCrypt )authenticate (_aad []byte )(bool ,error ){_edc ._fad =false ;_caaa :=_edc .securityHandler ();_abg ,_bdfc ,_dcga :=_caaa .Authenticate (&_edc ._bgdf ,_aad );if _dcga !=nil {return false ,_dcga ;}else if _bdfc ==0||len (_abg )==0{return false ,nil ;
};_edc ._fad =true ;_edc ._fgda =_abg ;return true ,nil ;};

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

// WriteString outputs the object as it is to be written to file.
func (_bbag *PdfObjectBool )WriteString ()string {if *_bbag {return "\u0074\u0072\u0075\u0065";};return "\u0066\u0061\u006cs\u0065";};func (_bf *PdfParser )lookupByNumberWrapper (_ed int ,_fac bool )(PdfObject ,bool ,error ){_gfe ,_aeb ,_eaf :=_bf .lookupByNumber (_ed ,_fac );
if _eaf !=nil {return nil ,_aeb ,_eaf ;};if !_aeb &&_bf ._dcgab !=nil &&!_bf ._dcgab .isDecrypted (_gfe ){_dcf :=_bf ._dcgab .Decrypt (_gfe ,0,0);if _dcf !=nil {return nil ,_aeb ,_dcf ;};};return _gfe ,_aeb ,nil ;};

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

// PdfObjectName represents the primitive PDF name object.
type PdfObjectName string ;var _edbca =_cd .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_fefg map[PdfObjectName ]PdfObject ;_cdad []PdfObjectName ;_deedc *PdfParser ;};

// GetXrefOffset returns the offset of the xref table.
func (_cefg *PdfParser )GetXrefOffset ()int64 {return _cefg ._ffba };func (_dcac *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_dcac ._bafd .Seek (0,_ag .SeekStart );_dcac ._geca =_fcg .NewReader (_dcac ._bafd );_cbff :=20;_bfed :=make ([]byte ,_cbff );
for {_gfdd ,_edeeb :=_dcac ._geca .ReadByte ();if _edeeb !=nil {if _edeeb ==_ag .EOF {break ;}else {return 0,0,_edeeb ;};};if IsDecimalDigit (_gfdd )&&_bfed [_cbff -1]=='.'&&IsDecimalDigit (_bfed [_cbff -2])&&_bfed [_cbff -3]=='-'&&_bfed [_cbff -4]=='F'&&_bfed [_cbff -5]=='D'&&_bfed [_cbff -6]=='P'{_beea :=int (_bfed [_cbff -2]-'0');
_dagbc :=int (_gfdd -'0');return _beea ,_dagbc ,nil ;};_bfed =append (_bfed [1:_cbff ],_gfdd );};return 0,0,_e .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};func _gdbb (_dbae *PdfObjectStream ,_cecg *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_dbf :=NewCCITTFaxEncoder ();
_cebcd :=_dbae .PdfObjectDictionary ;if _cebcd ==nil {return _dbf ,nil ;};if _cecg ==nil {_dage :=TraceToDirectObject (_cebcd .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _dage !=nil {switch _debg :=_dage .(type ){case *PdfObjectDictionary :_cecg =_debg ;
case *PdfObjectArray :if _debg .Len ()==1{if _dcbd ,_bdec :=GetDict (_debg .Get (0));_bdec {_cecg =_dcbd ;};};default:_fg .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",_dage );
return nil ,_e .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _cecg ==nil {_fg .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",_dage );
return nil ,_e .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _fgg ,_gfda :=GetNumberAsInt64 (_cecg .Get ("\u004b"));_gfda ==nil {_dbf .K =int (_fgg );};if _bcgad ,_effa :=GetNumberAsInt64 (_cecg .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_effa ==nil {_dbf .Columns =int (_bcgad );}else {_dbf .Columns =1728;};if _gfgb ,_ceaf :=GetNumberAsInt64 (_cecg .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_ceaf ==nil {_dbf .BlackIs1 =_gfgb > 0;}else {if _dcge ,_cgbb :=GetBoolVal (_cecg .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_cgbb {_dbf .BlackIs1 =_dcge ;}else {if _eagc ,_fdff :=GetArray (_cecg .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_fdff {_bdag ,_beeb :=_eagc .ToIntegerArray ();if _beeb ==nil {_dbf .BlackIs1 =_bdag [0]==1&&_bdag [1]==0;};};};};if _ffd ,_abdc :=GetNumberAsInt64 (_cecg .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_abdc ==nil {_dbf .EncodedByteAlign =_ffd > 0;}else {if _bcfg ,_eeg :=GetBoolVal (_cecg .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_eeg {_dbf .EncodedByteAlign =_bcfg ;};};if _cdca ,_dgg :=GetNumberAsInt64 (_cecg .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_dgg ==nil {_dbf .EndOfLine =_cdca > 0;}else {if _cbcfg ,_fcfg :=GetBoolVal (_cecg .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_fcfg {_dbf .EndOfLine =_cbcfg ;};};if _dgfbb ,_egcb :=GetNumberAsInt64 (_cecg .Get ("\u0052\u006f\u0077\u0073"));
_egcb ==nil {_dbf .Rows =int (_dgfbb );};_dbf .EndOfBlock =true ;if _fff ,_ccbb :=GetNumberAsInt64 (_cecg .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_ccbb ==nil {_dbf .EndOfBlock =_fff > 0;}else {if _eecb ,_cbcg :=GetBoolVal (_cecg .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_cbcg {_dbf .EndOfBlock =_eecb ;};};if _geff ,_fda :=GetNumberAsInt64 (_cecg .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_fda !=nil {_dbf .DamagedRowsBeforeError =int (_geff );
};_fg .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_cecg .String ());return _dbf ,nil ;};type objectCache map[int ]PdfObject ;type encryptDict struct{Filter string ;V int ;SubFilter string ;
Length int ;StmF string ;StrF string ;EFF string ;CF map[string ]_fa .FilterDict ;};func _bdc (_gcd int )cryptFilters {return cryptFilters {_cgda :_fa .NewFilterV2 (_gcd )}};type objectStreams map[int ]objectStream ;

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

// Append appends PdfObject(s) to the streams.
func (_ddced *PdfObjectStreams )Append (objects ...PdfObject ){if _ddced ==nil {_fg .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 ;};_ddced ._fggbd =append (_ddced ._fggbd ,objects ...);};

// IsAuthenticated returns true if the PDF has already been authenticated for accessing.
func (_gebde *PdfParser )IsAuthenticated ()bool {return _gebde ._dcgab ._fad };var _dgcab =_cd .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");

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

// 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 )(_bdagc bool ,_defc bool ){_faac ,_defc :=TraceToDirectObject (obj ).(*PdfObjectBool );if _defc {return bool (*_faac ),true ;};return false ,false ;};

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _fa .Filter ,userPass ,ownerPass []byte ,perm _df .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_dg :=&PdfCrypt {_cgc :make (map[PdfObject ]bool ),_geg :make (cryptFilters ),_bgdf :_df .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _dd Version ;if cf !=nil {_cca :=cf .PDFVersion ();_dd .Major ,_dd .Minor =_cca [0],_cca [1];V ,R :=cf .HandlerVersion ();_dg ._cgb .V =V ;_dg ._bgdf .R =R ;_dg ._cgb .Length =cf .KeyLength ()*8;};const (_cgd =_cgda ;);_dg ._geg [_cgd ]=cf ;if _dg ._cgb .V >=4{_dg ._gbd =_cgd ;
_dg ._bed =_cgd ;};_eed :=_dg .newEncryptDict ();_bad :=_a .Sum ([]byte (_fdd .Now ().Format (_fdd .RFC850 )));_edde :=string (_bad [:]);_ddc :=make ([]byte ,100);_fe .Read (_ddc );_bad =_a .Sum (_ddc );_eedf :=string (_bad [:]);_fg .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_ddc );
_fg .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_edde );_dg ._dgc =_edde ;_cebc :=_dg .generateParams (userPass ,ownerPass );if _cebc !=nil {return nil ,nil ,_cebc ;};_agga (&_dg ._bgdf ,_eed );if _dg ._cgb .V >=4{if _eb :=_dg .saveCryptFilters (_eed );
_eb !=nil {return nil ,nil ,_eb ;};};return _dg ,&EncryptInfo {Version :_dd ,Encrypt :_eed ,ID0 :_edde ,ID1 :_eedf },nil ;};func (_cdd *PdfCrypt )generateParams (_gdb ,_daa []byte )error {_ggbe :=_cdd .securityHandler ();_gcc ,_bcf :=_ggbe .GenerateParams (&_cdd ._bgdf ,_daa ,_gdb );
if _bcf !=nil {return _bcf ;};_cdd ._fgda =_gcc ;return nil ;};func (_ebdfg *PdfParser )repairSeekXrefMarker ()error {_cgfg ,_dcccc :=_ebdfg ._bafd .Seek (0,_ag .SeekEnd );if _dcccc !=nil {return _dcccc ;};_fddgg :=_cd .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");
var _cdfde int64 ;var _aage int64 =1000;for _cdfde < _cgfg {if _cgfg <=(_aage +_cdfde ){_aage =_cgfg -_cdfde ;};_ ,_bdeec :=_ebdfg ._bafd .Seek (-_cdfde -_aage ,_ag .SeekEnd );if _bdeec !=nil {return _bdeec ;};_abcaa :=make ([]byte ,_aage );_ebdfg ._bafd .Read (_abcaa );
_fg .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_abcaa ));_fafbf :=_fddgg .FindAllStringIndex (string (_abcaa ),-1);if _fafbf !=nil {_adca :=_fafbf [len (_fafbf )-1];
_fg .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_fafbf );_ebdfg ._bafd .Seek (-_cdfde -_aage +int64 (_adca [0]),_ag .SeekEnd );_ebdfg ._geca =_fcg .NewReader (_ebdfg ._bafd );for {_bdceg ,_dfaad :=_ebdfg ._geca .Peek (1);if _dfaad !=nil {return _dfaad ;
};_fg .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_bdceg [0],_bdceg [0]);if !IsWhiteSpace (_bdceg [0]){break ;};_ebdfg ._geca .Discard (1);};return nil ;};_fg .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");
_cdfde +=_aage ;};_fg .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 _e .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};

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

// 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 (_cgddd *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _gffe ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _cgddd .ColorComponents !=1||_cgddd .BitsPerComponent !=1{return nil ,_ac .Errorf (_gffe ,"\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 (_cdce *_gd .Bitmap ;_dcbc error ;);_debgb :=(_cgddd .Width *_cgddd .Height )==len (data );if _debgb {_cdce ,_dcbc =_gd .NewWithUnpaddedData (_cgddd .Width ,_cgddd .Height ,data );}else {_cdce ,_dcbc =_gd .NewWithData (_cgddd .Width ,_cgddd .Height ,data );
};if _dcbc !=nil {return nil ,_dcbc ;};_cfbac :=_cgddd .DefaultPageSettings ;if _dcbc =_cfbac .Validate ();_dcbc !=nil {return nil ,_ac .Wrap (_dcbc ,_gffe ,"");};if _cgddd ._gedc ==nil {_cgddd ._gedc =_ef .InitEncodeDocument (_cfbac .FileMode );};switch _cfbac .Compression {case JB2Generic :if _dcbc =_cgddd ._gedc .AddGenericPage (_cdce ,_cfbac .DuplicatedLinesRemoval );
_dcbc !=nil {return nil ,_ac .Wrap (_dcbc ,_gffe ,"");};case JB2SymbolCorrelation :return nil ,_ac .Error (_gffe ,"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 ,_ac .Error (_gffe ,"\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 ,_ac .Error (_gffe ,"\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 _cgddd .Encode ();};func _bcfc (_gccab int )int {if _gccab < 0{return -_gccab ;
};return _gccab ;};

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

// MakeArray creates an PdfObjectArray from a list of PdfObjects.
func MakeArray (objects ...PdfObject )*PdfObjectArray {return &PdfObjectArray {_cabf :objects }};var (ErrUnsupportedEncodingParameters =_e .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 =_e .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 =_e .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 =_e .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 =_e .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_e .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_ea .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 =_e .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);

// 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 (_aeab *PdfObjectString )Decoded ()string {if _aeab ==nil {return "";};_aeefc :=[]byte (_aeab ._caeaf );if len (_aeefc )>=2&&_aeefc [0]==0xFE&&_aeefc [1]==0xFF{return _bb .UTF16ToString (_aeefc [2:]);};return _bb .PDFDocEncodingToString (_aeefc );
};

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

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

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

// For predictors
Columns int ;Colors int ;

// LZW algorithm setting.
EarlyChange int ;};

// WriteString outputs the object as it is to be written to file.
func (_dga *PdfObjectString )WriteString ()string {var _cdabd _ca .Buffer ;if _dga ._bfbb {_cbea :=_ffe .EncodeToString (_dga .Bytes ());_cdabd .WriteString ("\u003c");_cdabd .WriteString (_cbea );_cdabd .WriteString ("\u003e");return _cdabd .String ();
};_fgfc :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_cdabd .WriteString ("\u0028");for _fddea :=0;_fddea < len (_dga ._caeaf );
_fddea ++{_cafbb :=_dga ._caeaf [_fddea ];if _dgaf ,_fcddd :=_fgfc [_cafbb ];_fcddd {_cdabd .WriteString (_dgaf );}else {_cdabd .WriteByte (_cafbb );};};_cdabd .WriteString ("\u0029");return _cdabd .String ();};

// SetFileOffset sets the file to an offset position and resets buffer.
func (_afdf *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_afdf ._bafd .Seek (offset ,_ag .SeekStart );_afdf ._geca =_fcg .NewReader (_afdf ._bafd );};var _agba =_cd .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");


// DecodeStream decodes a multi-encoded stream by passing it through the
// DecodeStream method of the underlying encoders.
func (_dgca *MultiEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _dgca .DecodeBytes (streamObj .Stream );};func (_dccg *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_accf :=MakeDict ();_accf .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));
_accf .Set ("\u0056",MakeInteger (int64 (_dccg ._cgb .V )));_accf .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_dccg ._cgb .Length )));return _accf ;};

// DecodeBytes returns the passed in slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_cfba *RawEncoder )DecodeBytes (encoded []byte )([]byte ,error ){return encoded ,nil };func (_cadb *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_ag .SeekStart {offset +=_cadb ._fbbe ;};_dbbf ,_fddd :=_cadb ._ggfc .Seek (offset ,whence );
if _fddd !=nil {return _dbbf ,_fddd ;};if whence ==_ag .SeekCurrent {_dbbf -=_cadb ._fbbe ;};if _dbbf < 0{return 0,_e .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 _dbbf ,nil ;};

// Clear resets the dictionary to an empty state.
func (_efeef *PdfObjectDictionary )Clear (){_efeef ._cdad =[]PdfObjectName {};_efeef ._fefg =map[PdfObjectName ]PdfObject {};};

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

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

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

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

// 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 )(_acffg *PdfIndirectObject ,_bedd bool ){obj =ResolveReference (obj );_acffg ,_bedd =obj .(*PdfIndirectObject );return _acffg ,_bedd ;};

// EncodeJBIG2Image encodes 'img' into jbig2 encoded bytes stream, using default encoder settings.
func (_cbef *JBIG2Encoder )EncodeJBIG2Image (img *JBIG2Image )([]byte ,error ){const _eegd ="c\u006f\u0072\u0065\u002eEn\u0063o\u0064\u0065\u004a\u0042\u0049G\u0032\u0049\u006d\u0061\u0067\u0065";if _geba :=_cbef .AddPageImage (img ,&_cbef .DefaultPageSettings );
_geba !=nil {return nil ,_ac .Wrap (_geba ,_eegd ,"");};return _cbef .Encode ();};func (_efb *PdfParser )readComment ()(string ,error ){var _aceda _ca .Buffer ;_ ,_gdbc :=_efb .skipSpaces ();if _gdbc !=nil {return _aceda .String (),_gdbc ;};_fcbd :=true ;
for {_efdd ,_dgeb :=_efb ._geca .Peek (1);if _dgeb !=nil {_fg .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_dgeb .Error ());return _aceda .String (),_dgeb ;};if _fcbd &&_efdd [0]!='%'{return _aceda .String (),_e .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");
};_fcbd =false ;if (_efdd [0]!='\r')&&(_efdd [0]!='\n'){_cfbf ,_ :=_efb ._geca .ReadByte ();_aceda .WriteByte (_cfbf );}else {break ;};};return _aceda .String (),nil ;};var _acef =_cd .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");


// 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 )(_dggee *PdfObjectBool ,_gbda bool ){_dggee ,_gbda =TraceToDirectObject (obj ).(*PdfObjectBool );return _dggee ,_gbda ;};

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

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_cfc *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_ceg ,_bdf :=obj .(*PdfObjectReference );if !_bdf {return obj ,nil ;};_def :=_cfc .GetFileOffset ();defer func (){_cfc .SetFileOffset (_def )}();_adb ,_cafb :=_cfc .LookupByReference (*_ceg );
if _cafb !=nil {return nil ,_cafb ;};_ccd ,_edbc :=_adb .(*PdfIndirectObject );if !_edbc {return _adb ,nil ;};_adb =_ccd .PdfObject ;_ ,_bdf =_adb .(*PdfObjectReference );if _bdf {return _ccd ,_e .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 _adb ,nil ;};

// TraceToDirectObject traces a PdfObject to a direct object.  For example direct objects contained
// in indirect objects (can be double referenced even).
func TraceToDirectObject (obj PdfObject )PdfObject {if _gdef ,_afgf :=obj .(*PdfObjectReference );_afgf {obj =_gdef .Resolve ();};_bbcb ,_dcagc :=obj .(*PdfIndirectObject );_fedfe :=0;for _dcagc {obj =_bbcb .PdfObject ;_bbcb ,_dcagc =GetIndirect (obj );
_fedfe ++;if _fedfe > _ddgc {_fg .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",_ddgc );
return nil ;};};return obj ;};

// Resolve resolves the reference and returns the indirect or stream object.
// If the reference cannot be resolved, a *PdfObjectNull object is returned.
func (_gecad *PdfObjectReference )Resolve ()PdfObject {if _gecad ._acaf ==nil {return MakeNull ();};_dcdg ,_ ,_cebcg :=_gecad ._acaf .resolveReference (_gecad );if _cebcg !=nil {_fg .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",_cebcg );
return MakeNull ();};if _dcdg ==nil {_fg .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 _dcdg ;};func (_cf *PdfParser )lookupObjectViaOS (_faf int ,_fgd int )(PdfObject ,error ){var _gc *_ca .Reader ;var _eg objectStream ;var _da bool ;_eg ,_da =_cf ._daaf [_faf ];if !_da {_cacg ,_ba :=_cf .LookupByNumber (_faf );
if _ba !=nil {_fg .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",_faf );return nil ,_ba ;};_ec ,_cc :=_cacg .(*PdfObjectStream );
if !_cc {return nil ,_e .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _cf ._dcgab !=nil &&!_cf ._dcgab .isDecrypted (_ec ){return nil ,_e .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");
};_bd :=_ec .PdfObjectDictionary ;_fg .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_bd .String ());_eab ,_cc :=_bd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_cc {_fg .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 ,_e .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 _ae .ToLower (string (*_eab ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_fg .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 ,_e .New ("\u006f\u0062\u006a\u0065c\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0074y\u0070e\u0020\u0021\u003d\u0020\u004f\u0062\u006aS\u0074\u006d");};N ,_cc :=_bd .Get ("\u004e").(*PdfObjectInteger );if !_cc {return nil ,_e .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");
};_gf ,_cc :=_bd .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_cc {return nil ,_e .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");
};_fg .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",_eab ,*N );_ccg ,_ba :=DecodeStream (_ec );if _ba !=nil {return nil ,_ba ;
};_fg .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_ccg );_bg :=_cf .GetFileOffset ();defer func (){_cf .SetFileOffset (_bg )}();_gc =_ca .NewReader (_ccg );_cf ._geca =_fcg .NewReader (_gc );_fg .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_ecc :=map[int ]int64 {};for _fb :=0;_fb < int (*N );_fb ++{_cf .skipSpaces ();_fag ,_cg :=_cf .parseNumber ();if _cg !=nil {return nil ,_cg ;};_bgd ,_acc :=_fag .(*PdfObjectInteger );if !_acc {return nil ,_e .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");
};_cf .skipSpaces ();_fag ,_cg =_cf .parseNumber ();if _cg !=nil {return nil ,_cg ;};_dec ,_acc :=_fag .(*PdfObjectInteger );if !_acc {return nil ,_e .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");
};_fg .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_bgd ,*_dec );_ecc [int (*_bgd )]=int64 (*_gf +*_dec );};_eg =objectStream {N :int (*N ),_cag :_ccg ,_acf :_ecc };_cf ._daaf [_faf ]=_eg ;}else {_bgg :=_cf .GetFileOffset ();
defer func (){_cf .SetFileOffset (_bgg )}();_gc =_ca .NewReader (_eg ._cag );_cf ._geca =_fcg .NewReader (_gc );};_dac :=_eg ._acf [_fgd ];_fg .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_fgd ,_dac );
_gc .Seek (_dac ,_ag .SeekStart );_cf ._geca =_fcg .NewReader (_gc );_bc ,_ :=_cf ._geca .Peek (100);_fg .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_bc ));_ga ,_aec :=_cf .parseObject ();if _aec !=nil {_fg .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",_aec );
return nil ,_aec ;};if _ga ==nil {return nil ,_e .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");};_gab :=PdfIndirectObject {};_gab .ObjectNumber =int64 (_fgd );_gab .PdfObject =_ga ;return &_gab ,nil ;
};

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

// DecodeBytes decodes the CCITTFax encoded image data.
func (_gade *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_dcag :=&_fgc .Encoder {K :_gade .K ,Columns :_gade .Columns ,EndOfLine :_gade .EndOfLine ,EndOfBlock :_gade .EndOfBlock ,BlackIs1 :_gade .BlackIs1 ,DamagedRowsBeforeError :_gade .DamagedRowsBeforeError ,Rows :_gade .Rows ,EncodedByteAlign :_gade .EncodedByteAlign };
_dafc ,_ffge :=_dcag .Decode (encoded );if _ffge !=nil {return nil ,_ffge ;};var _fdgb []byte ;_dgbd :=0;var _ccbe byte ;var _ffaa byte ;for _aca :=range _dafc {if _ccbe !=0{_fdgb =append (_fdgb ,_ffaa );_ffaa =0;_dgbd ++;_ccbe =0;};for _ccdb :=range _dafc [_aca ]{_ffaa |=_dafc [_aca ][_ccdb ]<<(7-_ccbe );
_ccbe ++;if _ccbe ==8{_fdgb =append (_fdgb ,_ffaa );_ffaa =0;_dgbd ++;_ccbe =0;};};};if _ccbe > 0{_fdgb =append (_fdgb ,_ffaa );};return _fdgb ,nil ;};

// RawEncoder implements Raw encoder/decoder (no encoding, pass through)
type RawEncoder struct{};var _dgbca =_cd .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\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 _ddcfc (obj ,0)};func _bacb (_fggc ,_ccde ,_adfg uint8 )uint8 {_eeeg :=int (_adfg );_ecde :=int (_ccde )-_eeeg ;_dgba :=int (_fggc )-_eeeg ;_eeeg =_gggeg (_ecde +_dgba );_ecde =_gggeg (_ecde );_dgba =_gggeg (_dgba );
if _ecde <=_dgba &&_ecde <=_eeeg {return _fggc ;}else if _dgba <=_eeeg {return _ccde ;};return _adfg ;};

// 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 (_dabf *PdfObjectArray )ToIntegerArray ()([]int ,error ){var _gcad []int ;for _ ,_geae :=range _dabf .Elements (){if _bcfa ,_gggc :=_geae .(*PdfObjectInteger );_gggc {_gcad =append (_gcad ,int (*_bcfa ));}else {return nil ,ErrTypeError ;};};return _gcad ,nil ;
};

// XrefObject defines a cross reference entry which is a map between object number (with generation number) and the
// location of the actual object, either as a file offset (xref table entry), or as a location within an xref
// stream object (xref object stream).
type XrefObject struct{XType xrefType ;ObjectNumber int ;Generation int ;

// For normal xrefs (defined by OFFSET)
Offset int64 ;

// For xrefs to object streams.
OsObjNumber int ;OsObjIndex int ;};

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

// 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 (_bdbc *JBIG2Encoder )DecodeImages (encoded []byte )([]_dc .Image ,error ){const _gebe ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_cdde ,_becf :=_gdf .Decode (encoded ,_gdf .Parameters {},_bdbc .Globals .ToDocumentGlobals ());
if _becf !=nil {return nil ,_ac .Wrap (_becf ,_gebe ,"");};_agbe ,_becf :=_cdde .PageNumber ();if _becf !=nil {return nil ,_ac .Wrap (_becf ,_gebe ,"");};_aedca :=[]_dc .Image {};var _bgfd _dc .Image ;for _bfd :=1;_bfd <=_agbe ;_bfd ++{_bgfd ,_becf =_cdde .DecodePageImage (_bfd );
if _becf !=nil {return nil ,_ac .Wrapf (_becf ,_gebe ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_bfd );};_aedca =append (_aedca ,_bgfd );};return _aedca ,nil ;};func _fcgg (_efed _fa .Filter ,_gfb _df .AuthEvent )*PdfObjectDictionary {if _gfb ==""{_gfb =_df .EventDocOpen ;
};_dee :=MakeDict ();_dee .Set ("\u0054\u0079\u0070\u0065",MakeName ("C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"));_dee .Set ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et",MakeName (string (_gfb )));_dee .Set ("\u0043\u0046\u004d",MakeName (_efed .Name ()));
_dee .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_efed .KeyLength ())));return _dee ;};

// MakeInteger creates a PdfObjectInteger from an int64.
func MakeInteger (val int64 )*PdfObjectInteger {_abea :=PdfObjectInteger (val );return &_abea };func _cdebg ()string {return _fg .Version };

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

// 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 (_cgcfb *PdfParser )Decrypt (password []byte )(bool ,error ){if _cgcfb ._dcgab ==nil {return false ,_e .New ("\u0063\u0068\u0065\u0063k \u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0069\u006f\u006e\u0020\u0066\u0069\u0072s\u0074");};_ceaa ,_edgb :=_cgcfb ._dcgab .authenticate (password );
if _edgb !=nil {return false ,_edgb ;};if !_ceaa {_ceaa ,_edgb =_cgcfb ._dcgab .authenticate ([]byte (""));};return _ceaa ,_edgb ;};func _cffb (_baga _ad .Image )*JBIG2Image {_bgff :=_baga .Base ();return &JBIG2Image {Data :_bgff .Data ,Width :_bgff .Width ,Height :_bgff .Height ,HasPadding :true };
};func (_daad *PdfParser )skipSpaces ()(int ,error ){_ggedd :=0;for {_afbf ,_cgde :=_daad ._geca .ReadByte ();if _cgde !=nil {return 0,_cgde ;};if IsWhiteSpace (_afbf ){_ggedd ++;}else {_daad ._geca .UnreadByte ();break ;};};return _ggedd ,nil ;};

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_cgcf *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_fg .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_fg .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_cgcf .Predictor );
_gagg ,_ddaf :=_cgcf .DecodeBytes (streamObj .Stream );if _ddaf !=nil {return nil ,_ddaf ;};_fg .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_fg .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_gagg ),_gagg );
if _cgcf .Predictor > 1{if _cgcf .Predictor ==2{_fg .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_bgdfa :=_cgcf .Columns *_cgcf .Colors ;if _bgdfa < 1{return []byte {},nil ;};_fdggc :=len (_gagg )/_bgdfa ;
if len (_gagg )%_bgdfa !=0{_fg .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 (_gagg ),_bgdfa );};if _bgdfa %_cgcf .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",_bgdfa ,_cgcf .Colors );
};if _bgdfa > len (_gagg ){_fg .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",_bgdfa ,len (_gagg ));
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_fg .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_gagg ),_gagg );
_efae :=_ca .NewBuffer (nil );for _ffb :=0;_ffb < _fdggc ;_ffb ++{_dgfb :=_gagg [_bgdfa *_ffb :_bgdfa *(_ffb +1)];for _ddb :=_cgcf .Colors ;_ddb < _bgdfa ;_ddb ++{_dgfb [_ddb ]=byte (int (_dgfb [_ddb ]+_dgfb [_ddb -_cgcf .Colors ])%256);};_efae .Write (_dgfb );
};_adbe :=_efae .Bytes ();_fg .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_adbe ),_adbe );return _adbe ,nil ;}else if _cgcf .Predictor >=10&&_cgcf .Predictor <=15{_fg .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_abe :=_cgcf .Columns *_cgcf .Colors +1;if _abe < 1{return []byte {},nil ;};_acd :=len (_gagg )/_abe ;if len (_gagg )%_abe !=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 (_gagg ),_abe );
};if _abe > len (_gagg ){_fg .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",_abe ,len (_gagg ));
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_dccb :=_ca .NewBuffer (nil );_fg .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_cgcf .Columns );
_fg .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_gagg ),_abe ,_acd );_afbe :=make ([]byte ,_abe );for _fgdec :=0;_fgdec < _abe ;_fgdec ++{_afbe [_fgdec ]=0;
};for _dgda :=0;_dgda < _acd ;_dgda ++{_dcff :=_gagg [_abe *_dgda :_abe *(_dgda +1)];_eced :=_dcff [0];switch _eced {case 0:case 1:for _gaa :=2;_gaa < _abe ;_gaa ++{_dcff [_gaa ]=byte (int (_dcff [_gaa ]+_dcff [_gaa -1])%256);};case 2:for _dcb :=1;_dcb < _abe ;
_dcb ++{_dcff [_dcb ]=byte (int (_dcff [_dcb ]+_afbe [_dcb ])%256);};default:_fg .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",_eced );
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",_eced );};for _fgaec :=0;_fgaec < _abe ;_fgaec ++{_afbe [_fgaec ]=_dcff [_fgaec ];};_dccb .Write (_dcff [1:]);
};_cfagd :=_dccb .Bytes ();return _cfagd ,nil ;}else {_fg .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",_cgcf .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",_cgcf .Predictor );};};return _gagg ,nil ;};func (_egfb *PdfParser )parseName ()(PdfObjectName ,error ){var _deebf _ca .Buffer ;
_aagd :=false ;for {_dcda ,_cbec :=_egfb ._geca .Peek (1);if _cbec ==_ag .EOF {break ;};if _cbec !=nil {return PdfObjectName (_deebf .String ()),_cbec ;};if !_aagd {if _dcda [0]=='/'{_aagd =true ;_egfb ._geca .ReadByte ();}else if _dcda [0]=='%'{_egfb .readComment ();
_egfb .skipSpaces ();}else {_fg .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",_dcda ,_dcda );return PdfObjectName (_deebf .String ()),_fc .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_dcda [0]);
};}else {if IsWhiteSpace (_dcda [0]){break ;}else if (_dcda [0]=='/')||(_dcda [0]=='[')||(_dcda [0]=='(')||(_dcda [0]==']')||(_dcda [0]=='<')||(_dcda [0]=='>'){break ;}else if _dcda [0]=='#'{_aaac ,_fcbf :=_egfb ._geca .Peek (3);if _fcbf !=nil {return PdfObjectName (_deebf .String ()),_fcbf ;
};_fafdc ,_fcbf :=_ffe .DecodeString (string (_aaac [1:3]));if _fcbf !=nil {_fg .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");
_deebf .WriteByte ('#');_egfb ._geca .Discard (1);continue ;};_egfb ._geca .Discard (3);_deebf .Write (_fafdc );}else {_acce ,_ :=_egfb ._geca .ReadByte ();_deebf .WriteByte (_acce );};};};return PdfObjectName (_deebf .String ()),nil ;};

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

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

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

// 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 (_aaef *MultiEncoder )GetFilterName ()string {_edee :="";for _fbfc ,_bfg :=range _aaef ._gbaa {_edee +=_bfg .GetFilterName ();if _fbfc < len (_aaef ._gbaa )-1{_edee +="\u0020";};};return _edee ;};

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

// 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 ;};

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

// 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 (_acdfa *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_daefg :=PdfIndirectObject {};_daefg ._acaf =_acdfa ;_fg .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_dagb ,_dadfe :=_acdfa ._geca .Peek (20);
if _dadfe !=nil {if _dadfe !=_ag .EOF {_fg .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 &_daefg ,_dadfe ;
};};_fg .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_dagb ));_ffec :=_ebfd .FindStringSubmatchIndex (string (_dagb ));if len (_ffec )< 6{if _dadfe ==_ag .EOF {return nil ,_dadfe ;
};_fg .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 (_dagb ));
return &_daefg ,_e .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");
};_acdfa ._geca .Discard (_ffec [0]);_fg .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_ffec );_eafe :=_ffec [1]-_ffec [0];_cgaf :=make ([]byte ,_eafe );_ ,_dadfe =_acdfa .ReadAtLeast (_cgaf ,_eafe );if _dadfe !=nil {_fg .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",_dadfe );
return nil ,_dadfe ;};_fg .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_cgaf );_fdgfd :=_ebfd .FindStringSubmatch (string (_cgaf ));if len (_fdgfd )< 3{_fg .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 (_cgaf ));
return &_daefg ,_e .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");
};_ebbb ,_ :=_c .Atoi (_fdgfd [1]);_afeee ,_ :=_c .Atoi (_fdgfd [2]);_daefg .ObjectNumber =int64 (_ebbb );_daefg .GenerationNumber =int64 (_afeee );for {_cbd ,_cbbfe :=_acdfa ._geca .Peek (2);if _cbbfe !=nil {return &_daefg ,_cbbfe ;};_fg .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_cbd ),string (_cbd ));
if IsWhiteSpace (_cbd [0]){_acdfa .skipSpaces ();}else if _cbd [0]=='%'{_acdfa .skipComments ();}else if (_cbd [0]=='<')&&(_cbd [1]=='<'){_fg .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_daefg .PdfObject ,_cbbfe =_acdfa .ParseDict ();
_fg .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_cbbfe );if _cbbfe !=nil {return &_daefg ,_cbbfe ;};_fg .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 (_cbd [0]=='/')||(_cbd [0]=='(')||(_cbd [0]=='[')||(_cbd [0]=='<'){_daefg .PdfObject ,_cbbfe =_acdfa .parseObject ();if _cbbfe !=nil {return &_daefg ,_cbbfe ;};_fg .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 _cbd [0]==']'{_fg .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");
_acdfa ._geca .Discard (1);}else {if _cbd [0]=='e'{_gbgbe ,_bbeb :=_acdfa .readTextLine ();if _bbeb !=nil {return nil ,_bbeb ;};if len (_gbgbe )>=6&&_gbgbe [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _cbd [0]=='s'{_cbd ,_ =_acdfa ._geca .Peek (10);
if string (_cbd [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_ggae :=6;if len (_cbd )> 6{if IsWhiteSpace (_cbd [_ggae ])&&_cbd [_ggae ]!='\r'&&_cbd [_ggae ]!='\n'{_fg .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");
_ggae ++;};if _cbd [_ggae ]=='\r'{_ggae ++;if _cbd [_ggae ]=='\n'{_ggae ++;};}else if _cbd [_ggae ]=='\n'{_ggae ++;};};_acdfa ._geca .Discard (_ggae );_cgbf ,_facbb :=_daefg .PdfObject .(*PdfObjectDictionary );if !_facbb {return nil ,_e .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");
};_fg .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_cgbf );_ecbde ,_bcef :=_acdfa .traceStreamLength (_cgbf .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _bcef !=nil {_fg .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",_bcef );
return nil ,_bcef ;};_fg .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_ecbde );_fddbb ,_feae :=_ecbde .(*PdfObjectInteger );if !_feae {return nil ,_e .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");
};_ccec :=*_fddbb ;if _ccec < 0{return nil ,_e .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");};_bbbf :=_acdfa .GetFileOffset ();
_gebef :=_acdfa .xrefNextObjectOffset (_bbbf );if _bbbf +int64 (_ccec )> _gebef &&_gebef > _bbbf {_fg .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_bbbf +int64 (_ccec ));_fg .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",_gebef );
_bbbcb :=_gebef -_bbbf -17;if _bbbcb < 0{return nil ,_e .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");
};_fg .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",_bbbcb );_ccec =PdfObjectInteger (_bbbcb );
_cgbf .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_bbbcb ));};if int64 (_ccec )> _acdfa ._eefc {_fg .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 ,_e .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");};_adcf :=make ([]byte ,_ccec );
_ ,_bcef =_acdfa .ReadAtLeast (_adcf ,int (_ccec ));if _bcef !=nil {_fg .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_adcf ),_adcf );_fg .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_bcef );
return nil ,_bcef ;};_abacb :=PdfObjectStream {};_abacb .Stream =_adcf ;_abacb .PdfObjectDictionary =_daefg .PdfObject .(*PdfObjectDictionary );_abacb .ObjectNumber =_daefg .ObjectNumber ;_abacb .GenerationNumber =_daefg .GenerationNumber ;_abacb .PdfObjectReference ._acaf =_acdfa ;
_acdfa .skipSpaces ();_acdfa ._geca .Discard (9);_acdfa .skipSpaces ();return &_abacb ,nil ;};};_daefg .PdfObject ,_cbbfe =_acdfa .parseObject ();if _daefg .PdfObject ==nil {_fg .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");
_daefg .PdfObject =MakeNull ();};return &_daefg ,_cbbfe ;};};if _daefg .PdfObject ==nil {_fg .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");
_daefg .PdfObject =MakeNull ();};_fg .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_daefg ,nil ;};

// Len returns the number of elements in the array.
func (_fbee *PdfObjectArray )Len ()int {if _fbee ==nil {return 0;};return len (_fbee ._cabf );};func (_fcgd *PdfParser )parseHexString ()(*PdfObjectString ,error ){_fcgd ._geca .ReadByte ();var _abeb _ca .Buffer ;for {_abda ,_edaf :=_fcgd ._geca .Peek (1);
if _edaf !=nil {return MakeString (""),_edaf ;};if _abda [0]=='>'{_fcgd ._geca .ReadByte ();break ;};_bcafa ,_ :=_fcgd ._geca .ReadByte ();if !IsWhiteSpace (_bcafa ){_abeb .WriteByte (_bcafa );};};if _abeb .Len ()%2==1{_abeb .WriteRune ('0');};_cbeea ,_ :=_ffe .DecodeString (_abeb .String ());
return MakeHexString (string (_cbeea )),nil ;};

// GetXrefTable returns the PDFs xref table.
func (_eead *PdfParser )GetXrefTable ()XrefTable {return _eead ._gaggca };func (_cabc *PdfParser )seekToEOFMarker (_gaaa int64 )error {var _acad int64 ;var _fdfe int64 =2048;for _acad < _gaaa -4{if _gaaa <=(_fdfe +_acad ){_fdfe =_gaaa -_acad ;};_ ,_eecf :=_cabc ._bafd .Seek (-_acad -_fdfe ,_ag .SeekEnd );
if _eecf !=nil {return _eecf ;};_deda :=make ([]byte ,_fdfe );_cabc ._bafd .Read (_deda );_fg .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 (_deda ));
_cfbc :=_dgcab .FindAllStringIndex (string (_deda ),-1);if _cfbc !=nil {_dedg :=_cfbc [len (_cfbc )-1];_fg .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_cfbc );_cabc ._bafd .Seek (-_acad -_fdfe +int64 (_dedg [0]),_ag .SeekEnd );return nil ;
};_fg .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");
_acad +=_fdfe -4;};_fg .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 _e .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};

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

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

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

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

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

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

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

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

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

// EncodeImage encodes 'img' golang image.Image into jbig2 encoded bytes document using default encoder settings.
func (_eefa *JBIG2Encoder )EncodeImage (img _dc .Image )([]byte ,error ){return _eefa .encodeImage (img )};func (_ebgf *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _ebgf ._acb {return nil ,_fc .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");
};_ebgf ._acb =true ;_ebgf ._bafd .Seek (0,_ag .SeekStart );_ebgf ._geca =_fcg .NewReader (_ebgf ._bafd );_fgfbc :=20;_feadf :=make ([]byte ,_fgfbc );_gagbf :=XrefTable {};_gagbf .ObjectMap =make (map[int ]XrefObject );for {_bcfbe ,_fddg :=_ebgf ._geca .ReadByte ();
if _fddg !=nil {if _fddg ==_ag .EOF {break ;}else {return nil ,_fddg ;};};if _bcfbe =='j'&&_feadf [_fgfbc -1]=='b'&&_feadf [_fgfbc -2]=='o'&&IsWhiteSpace (_feadf [_fgfbc -3]){_fdga :=_fgfbc -4;for IsWhiteSpace (_feadf [_fdga ])&&_fdga > 0{_fdga --;};if _fdga ==0||!IsDecimalDigit (_feadf [_fdga ]){continue ;
};for IsDecimalDigit (_feadf [_fdga ])&&_fdga > 0{_fdga --;};if _fdga ==0||!IsWhiteSpace (_feadf [_fdga ]){continue ;};for IsWhiteSpace (_feadf [_fdga ])&&_fdga > 0{_fdga --;};if _fdga ==0||!IsDecimalDigit (_feadf [_fdga ]){continue ;};for IsDecimalDigit (_feadf [_fdga ])&&_fdga > 0{_fdga --;
};if _fdga ==0{continue ;};_cebe :=_ebgf .GetFileOffset ()-int64 (_fgfbc -_fdga );_acda :=append (_feadf [_fdga +1:],_bcfbe );_cega ,_edgg ,_ebcc :=_gccf (string (_acda ));if _ebcc !=nil {_fg .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",_ebcc );
return nil ,_ebcc ;};if _bfbcg ,_ddebe :=_gagbf .ObjectMap [_cega ];!_ddebe ||_bfbcg .Generation < _edgg {_adeee :=XrefObject {};_adeee .XType =XrefTypeTableEntry ;_adeee .ObjectNumber =_cega ;_adeee .Generation =_edgg ;_adeee .Offset =_cebe ;_gagbf .ObjectMap [_cega ]=_adeee ;
};};_feadf =append (_feadf [1:_fgfbc ],_bcfbe );};_ebgf ._gege =nil ;return &_gagbf ,nil ;};

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

// 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 )(_eedcd *PdfObjectArray ,_agcda bool ){_eedcd ,_agcda =TraceToDirectObject (obj ).(*PdfObjectArray );return _eedcd ,_agcda ;};

// UpdateParams updates the parameter values of the encoder.
func (_gdbe *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _gagb ,_fec :=GetNumberAsInt64 (params .Get ("\u004b"));_fec ==nil {_gdbe .K =int (_gagb );};if _bec ,_ffgcf :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_ffgcf ==nil {_gdbe .Columns =int (_bec );}else if _bec ,_ffgcf =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_ffgcf ==nil {_gdbe .Columns =int (_bec );};if _cedb ,_cfga :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_cfga ==nil {_gdbe .BlackIs1 =_cedb > 0;}else {if _ddcc ,_cgfa :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_cgfa {_gdbe .BlackIs1 =_ddcc ;}else {if _gbdd ,_ddcg :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_ddcg {_bbca ,_beca :=_gbdd .ToIntegerArray ();if _beca ==nil {_gdbe .BlackIs1 =_bbca [0]==1&&_bbca [1]==0;};};};};if _afge ,_bbea :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_bbea ==nil {_gdbe .EncodedByteAlign =_afge > 0;}else {if _ebfc ,_cdfd :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_cdfd {_gdbe .EncodedByteAlign =_ebfc ;};};if _fgbb ,_acdf :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_acdf ==nil {_gdbe .EndOfLine =_fgbb > 0;}else {if _fbdf ,_adda :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_adda {_gdbe .EndOfLine =_fbdf ;};};if _bcc ,_fcea :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));
_fcea ==nil {_gdbe .Rows =int (_bcc );}else if _bcc ,_fcea =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_fcea ==nil {_gdbe .Rows =int (_bcc );};if _agfg ,_cfaa :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_cfaa ==nil {_gdbe .EndOfBlock =_agfg > 0;}else {if _bggb ,_babe :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_babe {_gdbe .EndOfBlock =_bggb ;};};if _beeg ,_ecfa :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_ecfa !=nil {_gdbe .DamagedRowsBeforeError =int (_beeg );};};func _abc (_beb XrefTable ){_fg .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");_fg .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_ced :=0;for _ ,_fge :=range _beb .ObjectMap {_fg .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",_ced +1,_fge .ObjectNumber ,_fge .Generation ,_fge .Offset );
_ced ++;};};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_cgdg *RawEncoder )MakeStreamDict ()*PdfObjectDictionary {return MakeDict ()};func (_cacb *PdfParser )repairLocateXref ()(int64 ,error ){_afef :=int64 (1000);_cacb ._bafd .Seek (-_afef ,_ag .SeekCurrent );_ecff ,_ccabf :=_cacb ._bafd .Seek (0,_ag .SeekCurrent );
if _ccabf !=nil {return 0,_ccabf ;};_bgeb :=make ([]byte ,_afef );_cacb ._bafd .Read (_bgeb );_ddbec :=_fabe .FindAllStringIndex (string (_bgeb ),-1);if len (_ddbec )< 1{_fg .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,_e .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");};_agfbc :=int64 (_ddbec [len (_ddbec )-1][0]);_abcde :=_ecff +_agfbc ;return _abcde ,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 ;};

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

// EncodeBytes encodes the passed in slice of bytes by passing it through the
// EncodeBytes method of the underlying encoders.
func (_ffdb *MultiEncoder )EncodeBytes (data []byte )([]byte ,error ){_cdbb :=data ;var _eadd error ;for _cada :=len (_ffdb ._gbaa )-1;_cada >=0;_cada --{_fafd :=_ffdb ._gbaa [_cada ];_cdbb ,_eadd =_fafd .EncodeBytes (_cdbb );if _eadd !=nil {return nil ,_eadd ;
};};return _cdbb ,nil ;};func (_ddafg *PdfParser )readTextLine ()(string ,error ){var _edff _ca .Buffer ;for {_cgcdc ,_fceaa :=_ddafg ._geca .Peek (1);if _fceaa !=nil {_fg .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_fceaa .Error ());
return _edff .String (),_fceaa ;};if (_cgcdc [0]!='\r')&&(_cgcdc [0]!='\n'){_fdae ,_ :=_ddafg ._geca .ReadByte ();_edff .WriteByte (_fdae );}else {break ;};};return _edff .String (),nil ;};

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

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

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

// 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};

// 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 _ag .ReadSeeker )(*PdfParser ,error ){_baaa :=&PdfParser {_bafd :rs ,ObjCache :make (objectCache ),_dffad :map[int64 ]bool {}};_dacdb ,_bafdf ,_fgfe :=_baaa .parsePdfVersion ();if _fgfe !=nil {_fg .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",_fgfe );
return nil ,_fgfe ;};_baaa ._bcfb .Major =_dacdb ;_baaa ._bcfb .Minor =_bafdf ;if _baaa ._eedfa ,_fgfe =_baaa .loadXrefs ();_fgfe !=nil {_fg .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",_fgfe );
return nil ,_fgfe ;};_fg .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_baaa ._eedfa );if len (_baaa ._gaggca .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 _baaa ,nil ;};const (DefaultJPEGQuality =75;);func (_cddd *offsetReader )Read (p []byte )(_eccb int ,_gdbbd error ){return _cddd ._ggfc .Read (p )};

// 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 ;};

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

// GetNumberAsInt64 returns the contents of `obj` as an int64 if it is an integer or float, or an
// error if it isn't. This is for cases where expecting an integer, but some implementations
// actually store the number in a floating point format.
func GetNumberAsInt64 (obj PdfObject )(int64 ,error ){switch _agdcg :=obj .(type ){case *PdfObjectFloat :_fg .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 (*_agdcg ),nil ;case *PdfObjectInteger :return int64 (*_agdcg ),nil ;};return 0,ErrNotANumber ;};

// WriteString outputs the object as it is to be written to file.
func (_fdec *PdfObjectFloat )WriteString ()string {return _c .FormatFloat (float64 (*_fdec ),'f',-1,64);};func _aefg (_ccc *PdfObjectStream ,_gged *MultiEncoder )(*DCTEncoder ,error ){_baa :=NewDCTEncoder ();_fbcb :=_ccc .PdfObjectDictionary ;if _fbcb ==nil {return _baa ,nil ;
};_dcfg :=_ccc .Stream ;if _gged !=nil {_acfd ,_ebda :=_gged .DecodeBytes (_dcfg );if _ebda !=nil {return nil ,_ebda ;};_dcfg =_acfd ;};_acea :=_ca .NewReader (_dcfg );_gecg ,_daeb :=_b .DecodeConfig (_acea );if _daeb !=nil {_fg .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_daeb );
return nil ,_daeb ;};switch _gecg .ColorModel {case _fd .RGBAModel :_baa .BitsPerComponent =8;_baa .ColorComponents =3;case _fd .RGBA64Model :_baa .BitsPerComponent =16;_baa .ColorComponents =3;case _fd .GrayModel :_baa .BitsPerComponent =8;_baa .ColorComponents =1;
case _fd .Gray16Model :_baa .BitsPerComponent =16;_baa .ColorComponents =1;case _fd .CMYKModel :_baa .BitsPerComponent =8;_baa .ColorComponents =4;case _fd .YCbCrModel :_baa .BitsPerComponent =8;_baa .ColorComponents =3;default:return nil ,_e .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_baa .Width =_gecg .Width ;_baa .Height =_gecg .Height ;_fg .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_baa );_baa .Quality =DefaultJPEGQuality ;return _baa ,nil ;};const _bgag =32<<(^uint (0)>>63);
func (_bggd *ASCII85Encoder )base256Tobase85 (_cdba uint32 )[5]byte {_ddgf :=[5]byte {0,0,0,0,0};_ddae :=_cdba ;for _ebf :=0;_ebf < 5;_ebf ++{_fadf :=uint32 (1);for _baad :=0;_baad < 4-_ebf ;_baad ++{_fadf *=85;};_ecaa :=_ddae /_fadf ;_ddae =_ddae %_fadf ;
_ddgf [_ebf ]=byte (_ecaa );};return _ddgf ;};

// WriteString outputs the object as it is to be written to file.
func (_gbac *PdfObjectReference )WriteString ()string {var _fcef _ae .Builder ;_fcef .WriteString (_c .FormatInt (_gbac .ObjectNumber ,10));_fcef .WriteString ("\u0020");_fcef .WriteString (_c .FormatInt (_gbac .GenerationNumber ,10));_fcef .WriteString ("\u0020\u0052");
return _fcef .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 (_fcdfa *PdfParser )IsEncrypted ()(bool ,error ){if _fcdfa ._dcgab !=nil {return true ,nil ;}else if _fcdfa ._eedfa ==nil {return false ,nil ;};_fg .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");
_dadc :=_fcdfa ._eedfa .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _dadc ==nil {return false ,nil ;};_fg .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_cgfag *PdfObjectDictionary ;);switch _bcafe :=_dadc .(type ){case *PdfObjectDictionary :_cgfag =_bcafe ;
case *PdfObjectReference :_fg .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_bcafe );_adee ,_efbg :=_fcdfa .LookupByReference (*_bcafe );_fg .Log .Trace ("\u0031\u003a\u0020%\u0071",_adee );
if _efbg !=nil {return false ,_efbg ;};_gbdde ,_aadc :=_adee .(*PdfIndirectObject );if !_aadc {_fg .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 ,_e .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_bfde ,_aadc :=_gbdde .PdfObject .(*PdfObjectDictionary );_fg .Log .Trace ("\u0032\u003a\u0020%\u0071",_bfde );if !_aadc {return false ,_e .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");
};_cgfag =_bfde ;case *PdfObjectNull :_fg .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",_bcafe );};_addcb ,_fbae :=PdfCryptNewDecrypt (_fcdfa ,_cgfag ,_fcdfa ._eedfa );if _fbae !=nil {return false ,_fbae ;
};for _ ,_abgf :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_baeg :=_fcdfa ._eedfa .Get (PdfObjectName (_abgf ));if _baeg ==nil {continue ;};switch _bgefc :=_baeg .(type ){case *PdfObjectReference :_addcb ._dgb [int (_bgefc .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_addcb ._bdd [_bgefc ]=true ;_addcb ._dgb [int (_bgefc .ObjectNumber )]=struct{}{};};};_fcdfa ._dcgab =_addcb ;_fg .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_addcb );
return true ,nil ;};func _ebe (_aeg *_fa .FilterDict ,_dcc *PdfObjectDictionary )error {if _feg ,_facc :=_dcc .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_facc {if _bcg :=string (*_feg );_bcg !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_fg .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",_bcg );
};};_ggc ,_gee :=_dcc .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_gee {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");
};_aeg .CFM =string (*_ggc );if _dag ,_eef :=_dcc .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_eef {_aeg .AuthEvent =_df .AuthEvent (*_dag );}else {_aeg .AuthEvent =_df .EventDocOpen ;};if _cce ,_dace :=_dcc .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_dace {_aeg .Length =int (*_cce );};return nil ;};

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

// GetNumberAsFloat returns the contents of `obj` as a float if it is an integer or float, or an
// error if it isn't.
func GetNumberAsFloat (obj PdfObject )(float64 ,error ){switch _gcdgc :=obj .(type ){case *PdfObjectFloat :return float64 (*_gcdgc ),nil ;case *PdfObjectInteger :return float64 (*_gcdgc ),nil ;};return 0,ErrNotANumber ;};

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

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

// IsDelimiter checks if a character represents a delimiter.
func IsDelimiter (c byte )bool {return c =='('||c ==')'||c =='<'||c =='>'||c =='['||c ==']'||c =='{'||c =='}'||c =='/'||c =='%';};func _edfd (_ebcf ,_egeg PdfObject ,_cadge int )bool {if _cadge > _ddgc {_fg .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",_ddgc );
return false ;};if _ebcf ==nil &&_egeg ==nil {return true ;}else if _ebcf ==nil ||_egeg ==nil {return false ;};if _f .TypeOf (_ebcf )!=_f .TypeOf (_egeg ){return false ;};switch _deddb :=_ebcf .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_deddb ==*(_egeg .(*PdfObjectName ));case *PdfObjectString :return *_deddb ==*(_egeg .(*PdfObjectString ));case *PdfObjectInteger :return *_deddb ==*(_egeg .(*PdfObjectInteger ));case *PdfObjectBool :return *_deddb ==*(_egeg .(*PdfObjectBool ));
case *PdfObjectFloat :return *_deddb ==*(_egeg .(*PdfObjectFloat ));case *PdfIndirectObject :return _edfd (TraceToDirectObject (_ebcf ),TraceToDirectObject (_egeg ),_cadge +1);case *PdfObjectArray :_dcbgd :=_egeg .(*PdfObjectArray );if len ((*_deddb )._cabf )!=len ((*_dcbgd )._cabf ){return false ;
};for _bbdd ,_ecdef :=range (*_deddb )._cabf {if !_edfd (_ecdef ,(*_dcbgd )._cabf [_bbdd ],_cadge +1){return false ;};};return true ;case *PdfObjectDictionary :_ffbaa :=_egeg .(*PdfObjectDictionary );_cbcc ,_edbcc :=(*_deddb )._fefg ,(*_ffbaa )._fefg ;
if len (_cbcc )!=len (_edbcc ){return false ;};for _ebaa ,_dbbfa :=range _cbcc {_adce ,_aggg :=_edbcc [_ebaa ];if !_aggg ||!_edfd (_dbbfa ,_adce ,_cadge +1){return false ;};};return true ;case *PdfObjectStream :_fefgd :=_egeg .(*PdfObjectStream );return _edfd ((*_deddb ).PdfObjectDictionary ,(*_fefgd ).PdfObjectDictionary ,_cadge +1);
default:_fg .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",_ebcf );
};return false ;};

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

// PdfObjectNull represents the primitive PDF null object.
type PdfObjectNull struct{};func (_aece *PdfCrypt )checkAccessRights (_cfa []byte )(bool ,_df .Permissions ,error ){_afb :=_aece .securityHandler ();_cfcg ,_cbe ,_bgb :=_afb .Authenticate (&_aece ._bgdf ,_cfa );if _bgb !=nil {return false ,0,_bgb ;}else if _cbe ==0||len (_cfcg )==0{return false ,0,nil ;
};return true ,_cbe ,nil ;};func _acde (_degb *PdfObjectStream ,_dbgf *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _gbfb ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";
_bbce :=NewJBIG2Encoder ();_fcada :=_degb .PdfObjectDictionary ;if _fcada ==nil {return _bbce ,nil ;};if _dbgf ==nil {_dacg :=_fcada .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _dacg !=nil {switch _dagf :=_dacg .(type ){case *PdfObjectDictionary :_dbgf =_dagf ;
case *PdfObjectArray :if _dagf .Len ()==1{if _gbc ,_cedbb :=GetDict (_dagf .Get (0));_cedbb {_dbgf =_gbc ;};};default:_fg .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",_dacg );
return nil ,_ac .Errorf (_gbfb ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_dagf );};};};if _dbgf ==nil {return _bbce ,nil ;};_bbce .UpdateParams (_dbgf );
_eeab ,_dffa :=GetStream (_dbgf .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_dffa {return _bbce ,nil ;};var _cced error ;_bbce .Globals ,_cced =_fcd .DecodeGlobals (_eeab .Stream );if _cced !=nil {_cced =_ac .Wrap (_cced ,_gbfb ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_fg .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_cced );return nil ,_cced ;};return _bbce ,nil ;};

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

// GetFilterName returns the name of the encoding filter.
func (_bage *JPXEncoder )GetFilterName ()string {return StreamEncodingFilterNameJPX };type cryptFilters map[string ]_fa .Filter ;

// MakeName creates a PdfObjectName from a string.
func MakeName (s string )*PdfObjectName {_fdce :=PdfObjectName (s );return &_fdce };func (_cbgef *PdfParser )skipComments ()error {if _ ,_gfbc :=_cbgef .skipSpaces ();_gfbc !=nil {return _gfbc ;};_aedb :=true ;for {_deed ,_dfaa :=_cbgef ._geca .Peek (1);
if _dfaa !=nil {_fg .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_dfaa .Error ());return _dfaa ;};if _aedb &&_deed [0]!='%'{return nil ;};_aedb =false ;if (_deed [0]!='\r')&&(_deed [0]!='\n'){_cbgef ._geca .ReadByte ();}else {break ;
};};return _cbgef .skipComments ();};func _ecfe (_gbcfg PdfObject ,_cffbg int ,_bdcf map[PdfObject ]struct{})error {_fg .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",_cffbg );
if _ ,_badf :=_bdcf [_gbcfg ];_badf {_fg .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_bdcf [_gbcfg ]=struct{}{};switch _abff :=_gbcfg .(type ){case *PdfIndirectObject :_affe :=_abff ;
_fg .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_affe );_fg .Log .Trace ("\u002d\u0020\u0025\u0073",_affe .PdfObject );return _ecfe (_affe .PdfObject ,_cffbg +1,_bdcf );case *PdfObjectStream :_bced :=_abff ;return _ecfe (_bced .PdfObjectDictionary ,_cffbg +1,_bdcf );
case *PdfObjectDictionary :_dbadg :=_abff ;_fg .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_dbadg );for _ ,_gcdc :=range _dbadg .Keys (){_abbd :=_dbadg .Get (_gcdc );if _bgdg ,_bade :=_abbd .(*PdfObjectReference );_bade {_adcb :=_bgdg .Resolve ();
_dbadg .Set (_gcdc ,_adcb );_dfc :=_ecfe (_adcb ,_cffbg +1,_bdcf );if _dfc !=nil {return _dfc ;};}else {_dfabc :=_ecfe (_abbd ,_cffbg +1,_bdcf );if _dfabc !=nil {return _dfabc ;};};};return nil ;case *PdfObjectArray :_bafa :=_abff ;_fg .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_bafa );
for _baacc ,_eafea :=range _bafa .Elements (){if _cdfa ,_cdac :=_eafea .(*PdfObjectReference );_cdac {_dedda :=_cdfa .Resolve ();_bafa .Set (_baacc ,_dedda );_edbeb :=_ecfe (_dedda ,_cffbg +1,_bdcf );if _edbeb !=nil {return _edbeb ;};}else {_bcedf :=_ecfe (_eafea ,_cffbg +1,_bdcf );
if _bcedf !=nil {return _bcedf ;};};};return nil ;case *PdfObjectReference :_fg .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 _e .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};return nil ;};

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

// 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 (_cbbd *PdfObjectString )Str ()string {return _cbbd ._caeaf };func (_caef *JBIG2Encoder )encodeImage (_ggda _dc .Image )([]byte ,error ){const _deeg ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";_efgf ,_bgcd :=GoImageToJBIG2 (_ggda ,JB2ImageAutoThreshold );
if _bgcd !=nil {return nil ,_ac .Wrap (_bgcd ,_deeg ,"\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 _bgcd =_caef .AddPageImage (_efgf ,&_caef .DefaultPageSettings );
_bgcd !=nil {return nil ,_ac .Wrap (_bgcd ,_deeg ,"");};return _caef .Encode ();};

// 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 ;};

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

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_cadg *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_facd :=encoded ;var _bge error ;for _ ,_caca :=range _cadg ._gbaa {_fg .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",_caca ,_caca );
_facd ,_bge =_caca .DecodeBytes (_facd );if _bge !=nil {return nil ,_bge ;};};return _facd ,nil ;};func (_fffe *PdfParser )inspect ()(map[string ]int ,error ){_fg .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");
_fg .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_dfdc :=map[string ]int {};_bcaff :=0;_feeeag :=0;var _ccede []int ;for _cabcg :=range _fffe ._gaggca .ObjectMap {_ccede =append (_ccede ,_cabcg );};_ff .Ints (_ccede );_faaa :=0;
for _ ,_fafdg :=range _ccede {_dgee :=_fffe ._gaggca .ObjectMap [_fafdg ];if _dgee .ObjectNumber ==0{continue ;};_bcaff ++;_fg .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_fg .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",_dgee .ObjectNumber );
_fcfb ,_cdddg :=_fffe .LookupByNumber (_dgee .ObjectNumber );if _cdddg !=nil {_fg .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",_dgee .ObjectNumber ,_cdddg );
_feeeag ++;continue ;};_fg .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_fcfb );_ebgb ,_bdfd :=_fcfb .(*PdfIndirectObject );if _bdfd {_fg .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_dgee .ObjectNumber ,_ebgb );
_cafd ,_aecbg :=_ebgb .PdfObject .(*PdfObjectDictionary );if _aecbg {if _bgaf ,_cffe :=_cafd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_cffe {_gefc :=string (*_bgaf );_fg .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_gefc );
_ ,_ggfa :=_dfdc [_gefc ];if _ggfa {_dfdc [_gefc ]++;}else {_dfdc [_gefc ]=1;};}else if _bcac ,_caafb :=_cafd .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_caafb {_abfa :=string (*_bcac );_fg .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_abfa );
_ ,_cdg :=_dfdc [_abfa ];if _cdg {_dfdc [_abfa ]++;}else {_dfdc [_abfa ]=1;};};if _gggf ,_fdfbc :=_cafd .Get ("\u0053").(*PdfObjectName );_fdfbc &&*_gggf =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_afae :=_dfdc ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _afae {_dfdc ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_dfdc ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _dgbac ,_ddca :=_fcfb .(*PdfObjectStream );_ddca {if _gcdb ,_ebgfe :=_dgbac .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_ebgfe {_fg .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",*_gcdb );_dbbfd :=string (*_gcdb );_dfdc [_dbbfd ]++;};}else {_ecdg ,_cded :=_fcfb .(*PdfObjectDictionary );
if _cded {_gda ,_faad :=_ecdg .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _faad {_eddg :=string (*_gda );_fg .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_eddg );_dfdc [_eddg ]++;};};_fg .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_dgee .ObjectNumber ,_fcfb );
};_faaa ++;};_fg .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");_fg .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");
_fg .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_bcaff );_fg .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_feeeag );for _fccf ,_aabg :=range _dfdc {_fg .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_fccf ,_aabg );
};_fg .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_fffe ._gaggca .ObjectMap )< 1{_fg .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");};_eebe ,_ddef :=_dfdc ["\u0046\u006f\u006e\u0074"];
if !_ddef ||_eebe < 2{_fg .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 {_fg .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 _dfdc ,nil ;};const JB2ImageAutoThreshold =-1.0;

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

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

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_gead *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_cba :=_ca .NewReader (encoded );_ecbd ,_ffgc :=_b .Decode (_cba );if _ffgc !=nil {_fg .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_ffgc );
return nil ,_ffgc ;};_cbeed :=_ecbd .Bounds ();var _accaa =make ([]byte ,_cbeed .Dx ()*_cbeed .Dy ()*_gead .ColorComponents *_gead .BitsPerComponent /8);_dccc :=0;for _fabg :=_cbeed .Min .Y ;_fabg < _cbeed .Max .Y ;_fabg ++{for _aga :=_cbeed .Min .X ;_aga < _cbeed .Max .X ;
_aga ++{_gacc :=_ecbd .At (_aga ,_fabg );if _gead .ColorComponents ==1{if _gead .BitsPerComponent ==16{_efd ,_efea :=_gacc .(_fd .Gray16 );if !_efea {return nil ,_e .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_accaa [_dccc ]=byte ((_efd .Y >>8)&0xff);_dccc ++;_accaa [_dccc ]=byte (_efd .Y &0xff);_dccc ++;}else {_cec ,_dabe :=_gacc .(_fd .Gray );if !_dabe {return nil ,_e .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_accaa [_dccc ]=_cec .Y &0xff;_dccc ++;};}else if _gead .ColorComponents ==3{if _gead .BitsPerComponent ==16{_gdcbg ,_eddb :=_gacc .(_fd .RGBA64 );if !_eddb {return nil ,_e .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_accaa [_dccc ]=byte ((_gdcbg .R >>8)&0xff);_dccc ++;_accaa [_dccc ]=byte (_gdcbg .R &0xff);_dccc ++;_accaa [_dccc ]=byte ((_gdcbg .G >>8)&0xff);_dccc ++;_accaa [_dccc ]=byte (_gdcbg .G &0xff);_dccc ++;_accaa [_dccc ]=byte ((_gdcbg .B >>8)&0xff);_dccc ++;
_accaa [_dccc ]=byte (_gdcbg .B &0xff);_dccc ++;}else {_fdcc ,_gfec :=_gacc .(_fd .RGBA );if _gfec {_accaa [_dccc ]=_fdcc .R &0xff;_dccc ++;_accaa [_dccc ]=_fdcc .G &0xff;_dccc ++;_accaa [_dccc ]=_fdcc .B &0xff;_dccc ++;}else {_cdfg ,_bcaf :=_gacc .(_fd .YCbCr );
if !_bcaf {return nil ,_e .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");};_eba ,_aadb ,_gffge ,_ :=_cdfg .RGBA ();_accaa [_dccc ]=byte (_eba >>8);_dccc ++;_accaa [_dccc ]=byte (_aadb >>8);_dccc ++;_accaa [_dccc ]=byte (_gffge >>8);
_dccc ++;};};}else if _gead .ColorComponents ==4{_dgbb ,_bbec :=_gacc .(_fd .CMYK );if !_bbec {return nil ,_e .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");};_accaa [_dccc ]=255-_dgbb .C &0xff;_dccc ++;
_accaa [_dccc ]=255-_dgbb .M &0xff;_dccc ++;_accaa [_dccc ]=255-_dgbb .Y &0xff;_dccc ++;_accaa [_dccc ]=255-_dgbb .K &0xff;_dccc ++;};};};return _accaa ,nil ;};

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

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

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

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

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

// 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 (_acca *LZWEncoder )EncodeBytes (data []byte )([]byte ,error ){if _acca .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 _acca .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 _bbe _ca .Buffer ;_ecd :=_ee .NewWriter (&_bbe ,_ee .MSB ,8);_ecd .Write (data );_ecd .Close ();return _bbe .Bytes (),nil ;};

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

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

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

// NewDCTEncoder makes a new DCT encoder with default parameters.
func NewDCTEncoder ()*DCTEncoder {_ddde :=&DCTEncoder {};_ddde .ColorComponents =3;_ddde .BitsPerComponent =8;_ddde .Quality =DefaultJPEGQuality ;return _ddde ;};func (_dagd *FlateEncoder )postDecodePredict (_bag []byte )([]byte ,error ){if _dagd .Predictor > 1{if _dagd .Predictor ==2{_fg .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_fg .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_dagd .Colors );_dded :=_dagd .Columns *_dagd .Colors ;if _dded < 1{return []byte {},nil ;};_dbc :=len (_bag )/_dded ;if len (_bag )%_dded !=0{_fg .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 (_bag ),_dded );};if _dded %_dagd .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",_dded ,_dagd .Colors );
};if _dded > len (_bag ){_fg .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",_dded ,len (_bag ));
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_fg .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_bag ),_bag );
_fdgc :=_ca .NewBuffer (nil );for _daab :=0;_daab < _dbc ;_daab ++{_cgcd :=_bag [_dded *_daab :_dded *(_daab +1)];for _gdcb :=_dagd .Colors ;_gdcb < _dded ;_gdcb ++{_cgcd [_gdcb ]+=_cgcd [_gdcb -_dagd .Colors ];};_fdgc .Write (_cgcd );};_caag :=_fdgc .Bytes ();
_fg .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_caag ),_caag );return _caag ,nil ;}else if _dagd .Predictor >=10&&_dagd .Predictor <=15{_fg .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_gegg :=_dagd .Columns *_dagd .Colors +1;_ggbdg :=len (_bag )/_gegg ;if len (_bag )%_gegg !=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 (_bag ),_gegg );
};if _gegg > len (_bag ){_fg .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",_gegg ,len (_bag ));
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ggef :=_ca .NewBuffer (nil );_fg .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_dagd .Columns );
_fg .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_bag ),_gegg ,_ggbdg );_gffa :=make ([]byte ,_gegg );for _edea :=0;_edea < _gegg ;_edea ++{_gffa [_edea ]=0;
};_aed :=_dagd .Colors ;for _fgcb :=0;_fgcb < _ggbdg ;_fgcb ++{_aebb :=_bag [_gegg *_fgcb :_gegg *(_fgcb +1)];_fgbd :=_aebb [0];switch _fgbd {case _bde :case _abf :for _cgdd :=1+_aed ;_cgdd < _gegg ;_cgdd ++{_aebb [_cgdd ]+=_aebb [_cgdd -_aed ];};case _fgag :for _aedc :=1;
_aedc < _gegg ;_aedc ++{_aebb [_aedc ]+=_gffa [_aedc ];};case _eea :for _cfg :=1;_cfg < _aed +1;_cfg ++{_aebb [_cfg ]+=_gffa [_cfg ]/2;};for _degc :=_aed +1;_degc < _gegg ;_degc ++{_aebb [_degc ]+=byte ((int (_aebb [_degc -_aed ])+int (_gffa [_degc ]))/2);
};case _dgcb :for _dae :=1;_dae < _gegg ;_dae ++{var _aced ,_dfb ,_caagb byte ;_dfb =_gffa [_dae ];if _dae >=_aed +1{_aced =_aebb [_dae -_aed ];_caagb =_gffa [_dae -_aed ];};_aebb [_dae ]+=_bacb (_aced ,_dfb ,_caagb );};default:_fg .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",_fgbd ,_fgcb );
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",_fgbd );};copy (_gffa ,_aebb );_ggef .Write (_aebb [1:]);};_efcf :=_ggef .Bytes ();return _efcf ,nil ;
}else {_fg .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",_dagd .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",_dagd .Predictor );
};};return _bag ,nil ;};

// SetImage sets the image base for given flate encoder.
func (_dab *FlateEncoder )SetImage (img *_ad .ImageBase ){_dab ._cceb =img };

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

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

// 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 *_fcg .Reader )(PdfObject ,error ){_dggbg :=false ;_dbbe :=true ;var _adggd _ca .Buffer ;for {if _fg .Log .IsLogLevel (_fg .LogLevelTrace ){_fg .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_adggd .String ());
};_gecca ,_bbae :=buf .Peek (1);if _bbae ==_ag .EOF {break ;};if _bbae !=nil {_fg .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_bbae );return nil ,_bbae ;};if _dbbe &&(_gecca [0]=='-'||_gecca [0]=='+'){_agaf ,_ :=buf .ReadByte ();_adggd .WriteByte (_agaf );
_dbbe =false ;}else if IsDecimalDigit (_gecca [0]){_aceed ,_ :=buf .ReadByte ();_adggd .WriteByte (_aceed );}else if _gecca [0]=='.'{_cbffd ,_ :=buf .ReadByte ();_adggd .WriteByte (_cbffd );_dggbg =true ;}else if _gecca [0]=='e'||_gecca [0]=='E'{_cegf ,_ :=buf .ReadByte ();
_adggd .WriteByte (_cegf );_dggbg =true ;_dbbe =true ;}else {break ;};};var _efec PdfObject ;if _dggbg {_aeac ,_gdbg :=_c .ParseFloat (_adggd .String (),64);if _gdbg !=nil {_fg .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",_adggd .String (),_gdbg );
_aeac =0.0;};_ddegf :=PdfObjectFloat (_aeac );_efec =&_ddegf ;}else {_bgabf ,_befd :=_c .ParseInt (_adggd .String (),10,64);if _befd !=nil {_fg .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",_adggd .String (),_befd );
_bgabf =0;};_dfee :=PdfObjectInteger (_bgabf );_efec =&_dfee ;};return _efec ,nil ;};

// EncodeBytes encodes the image data using either Group3 or Group4 CCITT facsimile (fax) encoding.
// `data` is expected to be 1 color component, 1 bit per component. It is also valid to provide 8 BPC, 1 CC image like
// a standard go image Gray data.
func (_ffeg *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _bgf _ad .Gray ;switch len (data ){case _ffeg .Rows *_ffeg .Columns :_effb ,_ccdg :=_ad .NewImage (_ffeg .Columns ,_ffeg .Rows ,8,1,data ,nil ,nil );if _ccdg !=nil {return nil ,_ccdg ;
};_bgf =_effb .(_ad .Gray );case (_ffeg .Columns *_ffeg .Rows )+7>>3:_gdfc ,_bdbf :=_ad .NewImage (_ffeg .Columns ,_ffeg .Rows ,1,1,data ,nil ,nil );if _bdbf !=nil {return nil ,_bdbf ;};_fadc :=_gdfc .(*_ad .Monochrome );if _bdbf =_fadc .AddPadding ();
_bdbf !=nil {return nil ,_bdbf ;};_bgf =_fadc ;default:if len (data )< _ad .BytesPerLine (_ffeg .Columns ,1,1)*_ffeg .Rows {return nil ,_e .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_dbeb ,_edcf :=_ad .NewImage (_ffeg .Columns ,_ffeg .Rows ,1,1,data ,nil ,nil );if _edcf !=nil {return nil ,_edcf ;};_fbeg :=_dbeb .(*_ad .Monochrome );_bgf =_fbeg ;};_fgcf :=make ([][]byte ,_ffeg .Rows );for _dcaf :=0;_dcaf < _ffeg .Rows ;_dcaf ++{_fcaa :=make ([]byte ,_ffeg .Columns );
for _dbbg :=0;_dbbg < _ffeg .Columns ;_dbbg ++{_cdcc :=_bgf .GrayAt (_dbbg ,_dcaf );_fcaa [_dbbg ]=_cdcc .Y >>7;};_fgcf [_dcaf ]=_fcaa ;};_gdge :=&_fgc .Encoder {K :_ffeg .K ,Columns :_ffeg .Columns ,EndOfLine :_ffeg .EndOfLine ,EndOfBlock :_ffeg .EndOfBlock ,BlackIs1 :_ffeg .BlackIs1 ,DamagedRowsBeforeError :_ffeg .DamagedRowsBeforeError ,Rows :_ffeg .Rows ,EncodedByteAlign :_ffeg .EncodedByteAlign };
return _gdge .Encode (_fgcf ),nil ;};func (_agfd *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _fdee *PdfObjectDictionary ;_bgef ,_bfdc :=_agfd .readTextLine ();if _bfdc !=nil {return nil ,_bfdc ;};_fg .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_bgef );
_becff :=-1;_feee :=0;_eece :=false ;_ecgf :="";for {_agfd .skipSpaces ();_ ,_cgeca :=_agfd ._geca .Peek (1);if _cgeca !=nil {return nil ,_cgeca ;};_bgef ,_cgeca =_agfd .readTextLine ();if _cgeca !=nil {return nil ,_cgeca ;};_fafe :=_agba .FindStringSubmatch (_bgef );
if len (_fafe )==0{_cfafc :=len (_ecgf )> 0;_ecgf +=_bgef +"\u000a";if _cfafc {_fafe =_agba .FindStringSubmatch (_ecgf );};};if len (_fafe )==3{_dcgca ,_ :=_c .Atoi (_fafe [1]);_bffgg ,_ :=_c .Atoi (_fafe [2]);_becff =_dcgca ;_feee =_bffgg ;_eece =true ;
_ecgf ="";_fg .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",_becff ,_feee );
continue ;};_aafd :=_cbgea .FindStringSubmatch (_bgef );if len (_aafd )==4{if !_eece {_fg .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 ,_e .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_gced ,_ :=_c .ParseInt (_aafd [1],10,64);_dccgg ,_ :=_c .Atoi (_aafd [2]);_gdbec :=_aafd [3];_ecgf ="";if _ae .ToLower (_gdbec )=="\u006e"&&_gced > 1{_adcdb ,_fcbc :=_agfd ._gaggca .ObjectMap [_becff ];if !_fcbc ||_dccgg > _adcdb .Generation {_ggdae :=XrefObject {ObjectNumber :_becff ,XType :XrefTypeTableEntry ,Offset :_gced ,Generation :_dccgg };
_agfd ._gaggca .ObjectMap [_becff ]=_ggdae ;};};_becff ++;continue ;};if (len (_bgef )> 6)&&(_bgef [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_fg .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_bgef );
if len (_bgef )> 9{_dcfd :=_agfd .GetFileOffset ();_agfd .SetFileOffset (_dcfd -int64 (len (_bgef ))+7);};_agfd .skipSpaces ();_agfd .skipComments ();_fg .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_fg .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_bgef );_fdee ,_cgeca =_agfd .ParseDict ();_fg .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _cgeca !=nil {_fg .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",_cgeca );return nil ,_cgeca ;};break ;};if _bgef =="\u0025\u0025\u0045O\u0046"{_fg .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 ,_e .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");};_fg .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_bgef );
};_fg .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 _agfd ._bcgd ==nil {_dedc :=XrefTypeTableEntry ;_agfd ._bcgd =&_dedc ;};return _fdee ,nil ;};var _ebfd =_cd .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");


// 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 ){_cfdc :=&PdfCrypt {_fad :false ,_bdd :make (map[PdfObject ]bool ),_cgc :make (map[PdfObject ]bool ),_dgb :make (map[int ]struct{}),_cacga :parser };_dde ,_gba :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_gba {_fg .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 _cfdc ,_e .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 *_dde !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_fg .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",*_dde );
return _cfdc ,_e .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_cfdc ._cgb .Filter =string (*_dde );if _ded ,_ggcd :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_ggcd {_cfdc ._cgb .SubFilter =_ded .Str ();
_fg .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_ded );};if L ,_aa :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_aa {if (*L %8)!=0{_fg .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 _cfdc ,_e .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_cfdc ._cgb .Length =int (*L );}else {_cfdc ._cgb .Length =40;};_cfdc ._cgb .V =0;if _eggb ,_dgcc :=ed .Get ("\u0056").(*PdfObjectInteger );
_dgcc {V :=int (*_eggb );_cfdc ._cgb .V =V ;if V >=1&&V <=2{_cfdc ._geg =_bdc (_cfdc ._cgb .Length );}else if V >=4&&V <=5{if _eade :=_cfdc .loadCryptFilters (ed );_eade !=nil {return _cfdc ,_eade ;};}else {_fg .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 _cfdc ,_e .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _geb :=_ffef (&_cfdc ._bgdf ,ed );_geb !=nil {return _cfdc ,_geb ;};_dff :="";if _fdf ,_dfd :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_dfd &&_fdf .Len ()>=1{_bef ,_deg :=GetString (_fdf .Get (0));if !_deg {return _cfdc ,_e .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_dff =_bef .Str ();}else {_fg .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");
};_cfdc ._dgc =_dff ;return _cfdc ,nil ;};func _ddcfc (_bfgg PdfObject ,_bgaa int )PdfObject {if _bgaa > _ddgc {_fg .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",_ddgc );
return MakeNull ();};switch _bfeda :=_bfgg .(type ){case *PdfIndirectObject :_bfgg =_ddcfc ((*_bfeda ).PdfObject ,_bgaa +1);case *PdfObjectArray :for _ceec ,_dbed :=range (*_bfeda )._cabf {(*_bfeda )._cabf [_ceec ]=_ddcfc (_dbed ,_bgaa +1);};case *PdfObjectDictionary :for _fcga ,_ddcga :=range (*_bfeda )._fefg {(*_bfeda )._fefg [_fcga ]=_ddcfc (_ddcga ,_bgaa +1);
};_ff .Slice ((*_bfeda )._cdad ,func (_gbdfg ,_cbfdg int )bool {return (*_bfeda )._cdad [_gbdfg ]< (*_bfeda )._cdad [_cbfdg ]});};return _bfgg ;};

// Get returns the i-th element of the array or nil if out of bounds (by index).
func (_bceb *PdfObjectArray )Get (i int )PdfObject {if _bceb ==nil ||i >=len (_bceb ._cabf )||i < 0{return nil ;};return _bceb ._cabf [i ];};func _agga (_fgec *_df .StdEncryptDict ,_cfd *PdfObjectDictionary ){_cfd .Set ("\u0052",MakeInteger (int64 (_fgec .R )));
_cfd .Set ("\u0050",MakeInteger (int64 (_fgec .P )));_cfd .Set ("\u004f",MakeStringFromBytes (_fgec .O ));_cfd .Set ("\u0055",MakeStringFromBytes (_fgec .U ));if _fgec .R >=5{_cfd .Set ("\u004f\u0045",MakeStringFromBytes (_fgec .OE ));_cfd .Set ("\u0055\u0045",MakeStringFromBytes (_fgec .UE ));
_cfd .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_fgec .EncryptMetadata ));if _fgec .R > 5{_cfd .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_fgec .Perms ));};};};

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

// For predictors
Columns int ;Rows int ;Colors int ;_cceb *_ad .ImageBase ;};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_faec *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_febg :=_ca .NewReader (data );var _fdb []byte ;var _eaga []byte ;_eaeed ,_bdcg :=_febg .ReadByte ();if _bdcg ==_ag .EOF {return []byte {},nil ;}else if _bdcg !=nil {return nil ,_bdcg ;
};_gggb :=1;for {_begc ,_cdc :=_febg .ReadByte ();if _cdc ==_ag .EOF {break ;}else if _cdc !=nil {return nil ,_cdc ;};if _begc ==_eaeed {if len (_eaga )> 0{_eaga =_eaga [:len (_eaga )-1];if len (_eaga )> 0{_fdb =append (_fdb ,byte (len (_eaga )-1));_fdb =append (_fdb ,_eaga ...);
};_gggb =1;_eaga =[]byte {};};_gggb ++;if _gggb >=127{_fdb =append (_fdb ,byte (257-_gggb ),_eaeed );_gggb =0;};}else {if _gggb > 0{if _gggb ==1{_eaga =[]byte {_eaeed };}else {_fdb =append (_fdb ,byte (257-_gggb ),_eaeed );};_gggb =0;};_eaga =append (_eaga ,_begc );
if len (_eaga )>=127{_fdb =append (_fdb ,byte (len (_eaga )-1));_fdb =append (_fdb ,_eaga ...);_eaga =[]byte {};};};_eaeed =_begc ;};if len (_eaga )> 0{_fdb =append (_fdb ,byte (len (_eaga )-1));_fdb =append (_fdb ,_eaga ...);}else if _gggb > 0{_fdb =append (_fdb ,byte (257-_gggb ),_eaeed );
};_fdb =append (_fdb ,128);return _fdb ,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 )(_fgdga *PdfObjectStreams ,_geada bool ){_fgdga ,_geada =obj .(*PdfObjectStreams );return _fgdga ,_geada ;};

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

// ASCIIHexEncoder implements ASCII hex encoder/decoder.
type ASCIIHexEncoder struct{};const (XrefTypeTableEntry xrefType =iota ;XrefTypeObjectStream xrefType =iota ;);

// 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 )(_aeag *PdfObjectInteger ,_fdgfa bool ){_aeag ,_fdgfa =TraceToDirectObject (obj ).(*PdfObjectInteger );return _aeag ,_fdgfa ;};

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

// 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 =='.'};

// 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 )(_gbefe string ,_bfeb bool ){_eggc ,_bfeb :=TraceToDirectObject (obj ).(*PdfObjectString );if _bfeb {return _eggc .Str (),true ;};return ;};

// String returns a string representation of `name`.
func (_ccdc *PdfObjectName )String ()string {return string (*_ccdc )};func (_acbg *PdfParser )parsePdfVersion ()(int ,int ,error ){var _dbgd int64 =20;_aea :=make ([]byte ,_dbgd );_acbg ._bafd .Seek (0,_ag .SeekStart );_acbg ._bafd .Read (_aea );var _bedg error ;
var _bbeg ,_gfdg int ;if _dgfce :=_acef .FindStringSubmatch (string (_aea ));len (_dgfce )< 3{if _bbeg ,_gfdg ,_bedg =_acbg .seekPdfVersionTopDown ();_bedg !=nil {_fg .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,_bedg ;};_acbg ._bafd ,_bedg =_afgd (_acbg ._bafd ,_acbg .GetFileOffset ()-8);if _bedg !=nil {return 0,0,_bedg ;};}else {if _bbeg ,_bedg =_c .Atoi (_dgfce [1]);_bedg !=nil {return 0,0,_bedg ;};if _gfdg ,_bedg =_c .Atoi (_dgfce [2]);_bedg !=nil {return 0,0,_bedg ;
};_acbg .SetFileOffset (0);};_acbg ._geca =_fcg .NewReader (_acbg ._bafd );_fg .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_bbeg ,_gfdg );return _bbeg ,_gfdg ,nil ;};

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

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_cfac *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_deb :=_ca .NewReader (encoded );var _edecb []byte ;for {_bbbc ,_efcc :=_deb .ReadByte ();if _efcc !=nil {return nil ,_efcc ;};if _bbbc =='>'{break ;};if IsWhiteSpace (_bbbc ){continue ;
};if (_bbbc >='a'&&_bbbc <='f')||(_bbbc >='A'&&_bbbc <='F')||(_bbbc >='0'&&_bbbc <='9'){_edecb =append (_edecb ,_bbbc );}else {_fg .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",_bbbc );
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",_bbbc );};};if len (_edecb )%2==1{_edecb =append (_edecb ,'0');
};_fg .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_edecb );_daef :=make ([]byte ,_ffe .DecodedLen (len (_edecb )));_ ,_fed :=_ffe .Decode (_daef ,_edecb );if _fed !=nil {return nil ,_fed ;};return _daef ,nil ;};

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

// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_ggge *PdfCrypt )GetAccessPermissions ()_df .Permissions {return _ggge ._bgdf .P };

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_cdbga *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _cdbga .Predictor !=1&&_cdbga .Predictor !=11{_fg .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 _cdbga .Predictor ==11{_aaa :=_cdbga .Columns ;_ebd :=len (data )/_aaa ;if len (data )%_aaa !=0{_fg .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_e .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_fdgcg :=_ca .NewBuffer (nil );_eede :=make ([]byte ,_aaa );for _febe :=0;_febe < _ebd ;_febe ++{_bbg :=data [_aaa *_febe :_aaa *(_febe +1)];
_eede [0]=_bbg [0];for _eebf :=1;_eebf < _aaa ;_eebf ++{_eede [_eebf ]=byte (int (_bbg [_eebf ]-_bbg [_eebf -1])%256);};_fdgcg .WriteByte (1);_fdgcg .Write (_eede );};data =_fdgcg .Bytes ();};var _edg _ca .Buffer ;_fdgf :=_g .NewWriter (&_edg );_fdgf .Write (data );
_fdgf .Close ();return _edg .Bytes (),nil ;};func _gccf (_beec string )(int ,int ,error ){_bdaa :=_ebfd .FindStringSubmatch (_beec );if len (_bdaa )< 3{return 0,0,_e .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");
};_ddff ,_ :=_c .Atoi (_bdaa [1]);_cfbcg ,_ :=_c .Atoi (_bdaa [2]);return _ddff ,_cfbcg ,nil ;};

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

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

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

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

// 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 )(_gddd *PdfObjectDictionary ,_afad bool ){_gddd ,_afad =TraceToDirectObject (obj ).(*PdfObjectDictionary );return _gddd ,_afad ;};

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_bffgge :=_ca .NewReader ([]byte (txt ));_dcae :=&PdfParser {ObjCache :objectCache {},_bafd :_bffgge ,_geca :_fcg .NewReader (_bffgge ),_eefc :int64 (len (txt )),_dffad :map[int64 ]bool {}};_dcae ._gaggca .ObjectMap =make (map[int ]XrefObject );
return _dcae ;};

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

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_faba *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_bfce :=MakeDict ();_bfce .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_faba .GetFilterArray ());for _ ,_deaf :=range _faba ._gbaa {_dggb :=_deaf .MakeStreamDict ();for _ ,_abed :=range _dggb .Keys (){_addd :=_dggb .Get (_abed );
if _abed !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_abed !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_bfce .Set (_abed ,_addd );};};};_aedg :=_faba .MakeDecodeParams ();if _aedg !=nil {_bfce .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_aedg );
};return _bfce ;};func (_cab *PdfParser )parseBool ()(PdfObjectBool ,error ){_cgac ,_bbdc :=_cab ._geca .Peek (4);if _bbdc !=nil {return PdfObjectBool (false ),_bbdc ;};if (len (_cgac )>=4)&&(string (_cgac [:4])=="\u0074\u0072\u0075\u0065"){_cab ._geca .Discard (4);
return PdfObjectBool (true ),nil ;};_cgac ,_bbdc =_cab ._geca .Peek (5);if _bbdc !=nil {return PdfObjectBool (false ),_bbdc ;};if (len (_cgac )>=5)&&(string (_cgac [:5])=="\u0066\u0061\u006cs\u0065"){_cab ._geca .Discard (5);return PdfObjectBool (false ),nil ;
};return PdfObjectBool (false ),_e .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");};

// EncodeBytes encodes data into ASCII85 encoded format.
func (_aefc *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _gbgd _ca .Buffer ;for _gega :=0;_gega < len (data );_gega +=4{_cad :=data [_gega ];_ccab :=1;_bdb :=byte (0);if _gega +1< len (data ){_bdb =data [_gega +1];_ccab ++;};_fdde :=byte (0);
if _gega +2< len (data ){_fdde =data [_gega +2];_ccab ++;};_gdeg :=byte (0);if _gega +3< len (data ){_gdeg =data [_gega +3];_ccab ++;};_adaf :=(uint32 (_cad )<<24)|(uint32 (_bdb )<<16)|(uint32 (_fdde )<<8)|uint32 (_gdeg );if _adaf ==0{_gbgd .WriteByte ('z');
}else {_dccf :=_aefc .base256Tobase85 (_adaf );for _ ,_egc :=range _dccf [:_ccab +1]{_gbgd .WriteByte (_egc +'!');};};};_gbgd .WriteString ("\u007e\u003e");return _gbgd .Bytes (),nil ;};var _bcfda =_cd .MustCompile ("\u005e\u005b\\\u002b\u002d\u002e\u005d*\u0028\u005b0\u002d\u0039\u002e\u005d\u002b\u0029\u005b\u0065E\u005d\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");


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

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_gggd *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _ffbg _dc .Image ;if _gggd .ColorComponents ==1&&_gggd .BitsPerComponent ==8{_ffbg =&_dc .Gray {Rect :_dc .Rect (0,0,_gggd .Width ,_gggd .Height ),Pix :data ,Stride :_ad .BytesPerLine (_gggd .Width ,_gggd .BitsPerComponent ,_gggd .ColorComponents )};
}else {var _bbcc error ;_ffbg ,_bbcc =_ad .NewImage (_gggd .Width ,_gggd .Height ,_gggd .BitsPerComponent ,_gggd .ColorComponents ,data ,nil ,nil );if _bbcc !=nil {return nil ,_bbcc ;};};_eff :=_b .Options {};_eff .Quality =_gggd .Quality ;var _efac _ca .Buffer ;
if _fgeg :=_b .Encode (&_efac ,_ffbg ,&_eff );_fgeg !=nil {return nil ,_fgeg ;};return _efac .Bytes (),nil ;};

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

// RegisterCustomStreamEncoder register a custom encoder handler for certain filter.
func RegisterCustomStreamEncoder (filterName string ,customStreamEncoder StreamEncoder ){_cdbgd .Store (filterName ,customStreamEncoder );};func _ffef (_badd *_df .StdEncryptDict ,_bce *PdfObjectDictionary )error {R ,_faa :=_bce .Get ("\u0052").(*PdfObjectInteger );
if !_faa {return _e .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 );
};_badd .R =int (*R );O ,_faa :=_bce .GetString ("\u004f");if !_faa {return _e .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 _badd .R ==5||_badd .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 ));};_badd .O =[]byte (O );U ,_faa :=_bce .GetString ("\u0055");if !_faa {return _e .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 _badd .R ==5||_badd .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{_fg .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 ));
};_badd .U =[]byte (U );if _badd .R >=5{OE ,_adg :=_bce .GetString ("\u004f\u0045");if !_adg {return _e .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 ));};_badd .OE =[]byte (OE );UE ,_adg :=_bce .GetString ("\u0055\u0045");if !_adg {return _e .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 ));};_badd .UE =[]byte (UE );};P ,_faa :=_bce .Get ("\u0050").(*PdfObjectInteger );if !_faa {return _e .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");
};_badd .P =_df .Permissions (*P );if _badd .R ==6{Perms ,_edbf :=_bce .GetString ("\u0050\u0065\u0072m\u0073");if !_edbf {return _e .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 ));};_badd .Perms =[]byte (Perms );};if _gbg ,_fcf :=_bce .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_fcf {_badd .EncryptMetadata =bool (*_gbg );}else {_badd .EncryptMetadata =true ;};return nil ;};

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_fade *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _cgeg []byte ;_fg .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_gfd :=0;_dgfc :=false ;for _gfd < len (encoded )&&!_dgfc {_aaee :=[5]byte {0,0,0,0,0};
_eedc :=0;_bgde :=0;_dca :=4;for _bgde < 5+_eedc {if _gfd +_bgde ==len (encoded ){break ;};_bac :=encoded [_gfd +_bgde ];if IsWhiteSpace (_bac ){_eedc ++;_bgde ++;continue ;}else if _bac =='~'&&_gfd +_bgde +1< len (encoded )&&encoded [_gfd +_bgde +1]=='>'{_dca =(_bgde -_eedc )-1;
if _dca < 0{_dca =0;};_dgfc =true ;break ;}else if _bac >='!'&&_bac <='u'{_bac -='!';}else if _bac =='z'&&_bgde -_eedc ==0{_dca =4;_bgde ++;break ;}else {_fg .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 ,_e .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_aaee [_bgde -_eedc ]=_bac ;_bgde ++;};_gfd +=_bgde ;for _ggff :=_dca +1;_ggff < 5;_ggff ++{_aaee [_ggff ]=84;
};_aee :=uint32 (_aaee [0])*85*85*85*85+uint32 (_aaee [1])*85*85*85+uint32 (_aaee [2])*85*85+uint32 (_aaee [3])*85+uint32 (_aaee [4]);_ccda :=[]byte {byte ((_aee >>24)&0xff),byte ((_aee >>16)&0xff),byte ((_aee >>8)&0xff),byte (_aee &0xff)};_cgeg =append (_cgeg ,_ccda [:_dca ]...);
};_fg .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_fg .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_cgeg );
return _cgeg ,nil ;};

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

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

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

// Append appends PdfObject(s) to the array.
func (_cecgb *PdfObjectArray )Append (objects ...PdfObject ){if _cecgb ==nil {_fg .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 ;};_cecgb ._cabf =append (_cecgb ._cabf ,objects ...);};func _gggeg (_ffbc int )int {_cbcgd :=_ffbc >>(_bgag -1);return (_ffbc ^_cbcgd )-_cbcgd };func (_caeg *PdfParser )resolveReference (_bgfc *PdfObjectReference )(PdfObject ,bool ,error ){_bggc ,_cccf :=_caeg .ObjCache [int (_bgfc .ObjectNumber )];
if _cccf {return _bggc ,true ,nil ;};_ggcdg ,_afgb :=_caeg .LookupByReference (*_bgfc );if _afgb !=nil {return nil ,false ,_afgb ;};_caeg .ObjCache [int (_bgfc .ObjectNumber )]=_ggcdg ;return _ggcdg ,false ,nil ;};

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

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

// DecodeStream implements ASCII hex decoding.
func (_gde *ASCIIHexEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _gde .DecodeBytes (streamObj .Stream );};func _gegd (_egba PdfObject )(*float64 ,error ){switch _aebd :=_egba .(type ){case *PdfObjectFloat :_daac :=float64 (*_aebd );
return &_daac ,nil ;case *PdfObjectInteger :_bfcd :=float64 (*_aebd );return &_bfcd ,nil ;case *PdfObjectNull :return nil ,nil ;};return nil ,ErrNotANumber ;};

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

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

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

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

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_bcfb Version ;_bafd _ag .ReadSeeker ;_geca *_fcg .Reader ;_eefc int64 ;_gaggca XrefTable ;_ffba int64 ;_bcgd *xrefType ;_daaf objectStreams ;_eedfa *PdfObjectDictionary ;_dcgab *PdfCrypt ;_acb bool ;ObjCache objectCache ;_gege map[int ]bool ;
_dffad map[int64 ]bool ;};

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_ddad *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_geefe ,_efeaf :=_ddad ._fefg [key ];if !_efeaf {return nil ;};return _geefe ;};

// EncodeBytes ASCII encodes the passed in slice of bytes.
func (_ggag *ASCIIHexEncoder )EncodeBytes (data []byte )([]byte ,error ){var _aebc _ca .Buffer ;for _ ,_ccgga :=range data {_aebc .WriteString (_fc .Sprintf ("\u0025\u002e\u0032X\u0020",_ccgga ));};_aebc .WriteByte ('>');return _aebc .Bytes (),nil ;};func _cadbc (_bfdea *PdfObjectDictionary )(_fdeb *_ad .ImageBase ){var (_dbbde *PdfObjectInteger ;
_ccce bool ;);if _dbbde ,_ccce =_bfdea .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );_ccce {_fdeb =&_ad .ImageBase {Width :int (*_dbbde )};}else {return nil ;};if _dbbde ,_ccce =_bfdea .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );
_ccce {_fdeb .Height =int (*_dbbde );};if _dbbde ,_ccce =_bfdea .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );_ccce {_fdeb .BitsPerComponent =int (*_dbbde );};if _dbbde ,_ccce =_bfdea .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );
_ccce {_fdeb .ColorComponents =int (*_dbbde );};return _fdeb ;};

// MakeFloat creates an PdfObjectFloat from a float64.
func MakeFloat (val float64 )*PdfObjectFloat {_aadcd :=PdfObjectFloat (val );return &_aadcd };func (_accd *PdfObjectFloat )String ()string {return _fc .Sprintf ("\u0025\u0066",*_accd )};var _dgbc =_cd .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");


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

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

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

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

// ReadBytesAt reads byte content at specific offset and length within the PDF.
func (_afba *PdfParser )ReadBytesAt (offset ,len int64 )([]byte ,error ){_gaebe :=_afba .GetFileOffset ();_ ,_aeef :=_afba ._bafd .Seek (offset ,_ag .SeekStart );if _aeef !=nil {return nil ,_aeef ;};_bgeea :=make ([]byte ,len );_ ,_aeef =_ag .ReadAtLeast (_afba ._bafd ,_bgeea ,int (len ));
if _aeef !=nil {return nil ,_aeef ;};_afba .SetFileOffset (_gaebe );return _bgeea ,nil ;};

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

// Clear resets the array to an empty state.
func (_ggdd *PdfObjectArray )Clear (){_ggdd ._cabf =[]PdfObject {}};var _cfage =_cd .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_caeaf string ;_bfbb bool ;};func _ggbd (_ffg *PdfObjectStream ,_adgg *PdfObjectDictionary )(*FlateEncoder ,error ){_feb :=NewFlateEncoder ();_afg :=_ffg .PdfObjectDictionary ;if _afg ==nil {return _feb ,nil ;};_feb ._cceb =_cadbc (_afg );
if _adgg ==nil {_beae :=TraceToDirectObject (_afg .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));switch _ebbe :=_beae .(type ){case *PdfObjectArray :if _ebbe .Len ()!=1{_fg .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",_ebbe .Len ());
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _aae ,_gdfa :=GetDict (_ebbe .Get (0));_gdfa {_adgg =_aae ;};case *PdfObjectDictionary :_adgg =_ebbe ;case *PdfObjectNull ,nil :default:_fg .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",_beae );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _adgg ==nil {return _feb ,nil ;};_fg .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_adgg .String ());
_ceef :=_adgg .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _ceef ==nil {_fg .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 {_fafb ,_aegb :=_ceef .(*PdfObjectInteger );if !_aegb {_fg .Log .Debug ("E\u0072\u0072\u006f\u0072\u003a\u0020\u0050\u0072\u0065d\u0069\u0063\u0074\u006f\u0072\u0020\u0073pe\u0063\u0069\u0066\u0069e\u0064\u0020\u0062\u0075\u0074\u0020\u006e\u006f\u0074 n\u0075\u006de\u0072\u0069\u0063\u0020\u0028\u0025\u0054\u0029",_ceef );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_feb .Predictor =int (*_fafb );};_ceef =_adgg .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _ceef !=nil {_agbd ,_dfa :=_ceef .(*PdfObjectInteger );if !_dfa {_fg .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");};_feb .BitsPerComponent =int (*_agbd );};if _feb .Predictor > 1{_feb .Columns =1;_ceef =_adgg .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _ceef !=nil {_abdb ,_beef :=_ceef .(*PdfObjectInteger );if !_beef {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");};_feb .Columns =int (*_abdb );
};_feb .Colors =1;_ceef =_adgg .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _ceef !=nil {_ebg ,_afc :=_ceef .(*PdfObjectInteger );if !_afc {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");
};_feb .Colors =int (*_ebg );};};return _feb ,nil ;};

// String returns a string describing `streams`.
func (_afga *PdfObjectStreams )String ()string {return _fc .Sprintf ("\u004f\u0062j\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0025\u0064",_afga .ObjectNumber );};func (_bece *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){const _ggbb =20;
_cfgc ,_ :=_bece ._geca .Peek (_ggbb );for _dgge :=0;_dgge < 2;_dgge ++{if _bece ._ffba ==0{_bece ._ffba =_bece .GetFileOffset ();};if _ebfd .Match (_cfgc ){_fg .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");
_fg .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_cfgc ));return _bece .parseXrefStream (nil );};if _dgbc .Match (_cfgc ){_fg .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 _bece .parseXrefTable ();};_fgce :=_bece .GetFileOffset ();if _bece ._ffba ==0{_bece ._ffba =_fgce ;};_bece .SetFileOffset (_fgce -_ggbb );defer _bece .SetFileOffset (_fgce );_deec ,_ :=_bece ._geca .Peek (_ggbb );_cfgc =append (_deec ,_cfgc ...);
};_fg .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 _gabc :=_bece .repairSeekXrefMarker ();_gabc !=nil {_fg .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_gabc );return nil ,_gabc ;};return _bece .parseXrefTable ();};func (_cecb *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_cecb ._geca )};


// 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 _deefg _ca .Buffer ;_deefg .Write ([]byte {0xFE,0xFF});_deefg .WriteString (_bb .StringToUTF16 (s ));return &PdfObjectString {_caeaf :_deefg .String (),_bfbb :true };};return &PdfObjectString {_caeaf :string (_bb .StringToPDFDocEncoding (s )),_bfbb :false };
};

// 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 (_cea *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_gcf :=_ca .NewReader (encoded );var _caad []byte ;for {_caed ,_gad :=_gcf .ReadByte ();if _gad !=nil {return nil ,_gad ;};if _caed > 128{_cegb ,_ffaf :=_gcf .ReadByte ();if _ffaf !=nil {return nil ,_ffaf ;
};for _bbcd :=0;_bbcd < 257-int (_caed );_bbcd ++{_caad =append (_caad ,_cegb );};}else if _caed < 128{for _edab :=0;_edab < int (_caed )+1;_edab ++{_dgdd ,_bfc :=_gcf .ReadByte ();if _bfc !=nil {return nil ,_bfc ;};_caad =append (_caad ,_dgdd );};}else {break ;
};};return _caad ,nil ;};

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

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

// 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 )(_ggac *PdfObjectString ,_fcda bool ){_ggac ,_fcda =TraceToDirectObject (obj ).(*PdfObjectString );return _ggac ,_fcda ;};

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

// MakeStreamDict make a new instance of an encoding dictionary for a stream object.
func (_ecdc *ASCII85Encoder )MakeStreamDict ()*PdfObjectDictionary {_fegg :=MakeDict ();_fegg .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_ecdc .GetFilterName ()));return _fegg ;};func (_afce *PdfObjectInteger )String ()string {return _fc .Sprintf ("\u0025\u0064",*_afce )};


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

// 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 ))};

// 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 ;_gedc *_ef .Document ;

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

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

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

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

// 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 ;};

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

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

// EncodeStream encodes the stream data using the encoded specified by the stream's dictionary.
func EncodeStream (streamObj *PdfObjectStream )error {_fg .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0020\u0073\u0074\u0072\u0065\u0061\u006d");_edcg ,_efgfg :=NewEncoderFromStream (streamObj );if _efgfg !=nil {_fg .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",_efgfg );
return _efgfg ;};if _ecca ,_edfb :=_edcg .(*LZWEncoder );_edfb {_ecca .EarlyChange =0;streamObj .PdfObjectDictionary .Set ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065",MakeInteger (0));};_fg .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076\u000a",_edcg );
_edebf ,_efgfg :=_edcg .EncodeBytes (streamObj .Stream );if _efgfg !=nil {_fg .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",_efgfg );return _efgfg ;
};streamObj .Stream =_edebf ;streamObj .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_edebf ))));return nil ;};func (_gaggc *JBIG2Image )toBitmap ()(_ebce *_gd .Bitmap ,_caaf error ){const _fedf ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";
if _gaggc .Data ==nil {return nil ,_ac .Error (_fedf ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");};if _gaggc .Width ==0||_gaggc .Height ==0{return nil ,_ac .Error (_fedf ,"\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 _gaggc .HasPadding {_ebce ,_caaf =_gd .NewWithData (_gaggc .Width ,_gaggc .Height ,_gaggc .Data );}else {_ebce ,_caaf =_gd .NewWithUnpaddedData (_gaggc .Width ,_gaggc .Height ,_gaggc .Data );};if _caaf !=nil {return nil ,_ac .Wrap (_caaf ,_fedf ,"");
};return _ebce ,nil ;};

// 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 )(_bgefce *PdfObjectFloat ,_gbef bool ){_bgefce ,_gbef =TraceToDirectObject (obj ).(*PdfObjectFloat );return _bgefce ,_gbef ;};

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

// Set sets the dictionary's key -> val mapping entry. Overwrites if key already set.
func (_eebb *PdfObjectDictionary )Set (key PdfObjectName ,val PdfObject ){_ ,_bbbfc :=_eebb ._fefg [key ];if !_bbbfc {_eebb ._cdad =append (_eebb ._cdad ,key );};_eebb ._fefg [key ]=val ;};

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

// MakeDict creates and returns an empty PdfObjectDictionary.
func MakeDict ()*PdfObjectDictionary {_fbfa :=&PdfObjectDictionary {};_fbfa ._fefg =map[PdfObjectName ]PdfObject {};_fbfa ._cdad =[]PdfObjectName {};return _fbfa ;};

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

// GetObjectNums returns a sorted list of object numbers of the PDF objects in the file.
func (_baac *PdfParser )GetObjectNums ()[]int {var _decb []int ;for _ ,_gfaa :=range _baac ._gaggca .ObjectMap {_decb =append (_decb ,_gfaa .ObjectNumber );};_ff .Ints (_decb );return _decb ;};func (_baef *PdfParser )rebuildXrefTable ()error {_gedf :=XrefTable {};
_gedf .ObjectMap =map[int ]XrefObject {};_bdfcg :=make ([]int ,0,len (_baef ._gaggca .ObjectMap ));for _eabag :=range _baef ._gaggca .ObjectMap {_bdfcg =append (_bdfcg ,_eabag );};_ff .Ints (_bdfcg );for _ ,_afdga :=range _bdfcg {_dgac :=_baef ._gaggca .ObjectMap [_afdga ];
_eeaf ,_ ,_gggeb :=_baef .lookupByNumberWrapper (_afdga ,false );if _gggeb !=nil {_fg .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",_gggeb );
_fg .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");
_gfecf ,_adgff :=_baef .repairRebuildXrefsTopDown ();if _adgff !=nil {_fg .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",_adgff );
return _adgff ;};_baef ._gaggca =*_gfecf ;_fg .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_cdeb ,_eceb ,_gggeb :=_af (_eeaf );if _gggeb !=nil {return _gggeb ;
};_dgac .ObjectNumber =int (_cdeb );_dgac .Generation =int (_eceb );_gedf .ObjectMap [int (_cdeb )]=_dgac ;};_baef ._gaggca =_gedf ;_fg .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");_abc (_baef ._gaggca );
return nil ;};func (_ffa *PdfCrypt )decryptBytes (_dbag []byte ,_feec string ,_cff []byte )([]byte ,error ){_fg .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");_bdce ,_bff :=_ffa ._geg [_feec ];if !_bff {return nil ,_fc .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_feec );
};return _bdce .DecryptBytes (_dbag ,_cff );};

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

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

// 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 ;_cac []XrefObject ;};func (_bebb *PdfCrypt )makeKey (_egd string ,_defg ,_ada uint32 ,_gge []byte )([]byte ,error ){_gac ,_eccc :=_bebb ._geg [_egd ];if !_eccc {return nil ,_fc .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_egd );
};return _gac .MakeKey (_defg ,_ada ,_gge );};

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

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

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

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

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

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

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

// 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 (_beg *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _beg .isEncrypted (obj ){return nil ;};switch _ggec :=obj .(type ){case *PdfIndirectObject :_beg ._cgc [_ggec ]=true ;_fg .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",_ggec .ObjectNumber ,_ggec .GenerationNumber );
_fcae :=_ggec .ObjectNumber ;_abca :=_ggec .GenerationNumber ;_dbb :=_beg .Encrypt (_ggec .PdfObject ,_fcae ,_abca );if _dbb !=nil {return _dbb ;};return nil ;case *PdfObjectStream :_beg ._cgc [_ggec ]=true ;_bdff :=_ggec .PdfObjectDictionary ;if _dgd ,_fdgg :=_bdff .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_fdgg &&*_dgd =="\u0058\u0052\u0065\u0066"{return nil ;};_ddce :=_ggec .ObjectNumber ;_dea :=_ggec .GenerationNumber ;_fg .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_ddce ,_dea );
_eec :=_cgda ;if _beg ._cgb .V >=4{_eec =_beg ._gbd ;_fg .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_beg ._gbd );if _cda ,_age :=_bdff .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_age {if _ged ,_gdd :=GetName (_cda .Get (0));_gdd {if *_ged =="\u0043\u0072\u0079p\u0074"{_eec ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _agc ,_ddg :=_bdff .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_ddg {if _efg ,_agdg :=_agc .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_agdg {if _ ,_ccgg :=_beg ._geg [string (*_efg )];_ccgg {_fg .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_efg );
_eec =string (*_efg );};};};};};};_fg .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_eec );if _eec =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_cdff :=_beg .Encrypt (_ggec .PdfObjectDictionary ,_ddce ,_dea );
if _cdff !=nil {return _cdff ;};_acg ,_cdff :=_beg .makeKey (_eec ,uint32 (_ddce ),uint32 (_dea ),_beg ._fgda );if _cdff !=nil {return _cdff ;};_ggec .Stream ,_cdff =_beg .encryptBytes (_ggec .Stream ,_eec ,_acg );if _cdff !=nil {return _cdff ;};_bdff .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_ggec .Stream ))));
return nil ;case *PdfObjectString :_fg .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_dgea :=_cgda ;if _beg ._cgb .V >=4{_fg .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_beg ._bed );
if _beg ._bed =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_dgea =_beg ._bed ;};_adbd ,_cfag :=_beg .makeKey (_dgea ,uint32 (parentObjNum ),uint32 (parentGenNum ),_beg ._fgda );if _cfag !=nil {return _cfag ;};_ffac :=_ggec .Str ();
_caea :=make ([]byte ,len (_ffac ));for _cbf :=0;_cbf < len (_ffac );_cbf ++{_caea [_cbf ]=_ffac [_cbf ];};_fg .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_caea ,_caea );
_caea ,_cfag =_beg .encryptBytes (_caea ,_dgea ,_adbd );if _cfag !=nil {return _cfag ;};_ggec ._caeaf =string (_caea );return nil ;case *PdfObjectArray :for _ ,_cfdb :=range _ggec .Elements (){_fbf :=_beg .Encrypt (_cfdb ,parentObjNum ,parentGenNum );if _fbf !=nil {return _fbf ;
};};return nil ;case *PdfObjectDictionary :_ece :=false ;if _addg :=_ggec .Get ("\u0054\u0079\u0070\u0065");_addg !=nil {_cdbg ,_ggb :=_addg .(*PdfObjectName );if _ggb &&*_cdbg =="\u0053\u0069\u0067"{_ece =true ;};};for _ ,_fae :=range _ggec .Keys (){_eabd :=_ggec .Get (_fae );
if _ece &&string (_fae )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_fae )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_fae )!="\u0050\u0072\u0065\u0076"&&string (_fae )!="\u004c\u0061\u0073\u0074"{_eaa :=_beg .Encrypt (_eabd ,parentObjNum ,parentGenNum );
if _eaa !=nil {return _eaa ;};};};return nil ;};return nil ;};func _egdd (_dcab string )(PdfObjectReference ,error ){_degcg :=PdfObjectReference {};_ade :=_edbca .FindStringSubmatch (_dcab );if len (_ade )< 3{_fg .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
return _degcg ,_e .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");};_edeg ,_ :=_c .Atoi (_ade [1]);_cefgc ,_ :=_c .Atoi (_ade [2]);_degcg .ObjectNumber =int64 (_edeg );_degcg .GenerationNumber =int64 (_cefgc );
return _degcg ,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";);type xrefType int ;

// 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 (_gbddb *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_cfgag :=n ;_aac :=0;_bdg :=0;for _cfgag > 0{_dddeg ,_adgc :=_gbddb ._geca .Read (p [_aac :]);if _adgc !=nil {_fg .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",_dddeg ,_bdg ,_adgc .Error ());
return _aac ,_e .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_bdg ++;_aac +=_dddeg ;_cfgag -=_dddeg ;};return _aac ,nil ;};func (_ddggg *PdfParser )parseObject ()(PdfObject ,error ){_fg .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");
_ddggg .skipSpaces ();for {_gfef ,_bffga :=_ddggg ._geca .Peek (2);if _bffga !=nil {if _bffga !=_ag .EOF ||len (_gfef )==0{return nil ,_bffga ;};if len (_gfef )==1{_gfef =append (_gfef ,' ');};};_fg .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_gfef ));
if _gfef [0]=='/'{_ddac ,_gecd :=_ddggg .parseName ();_fg .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_ddac );return &_ddac ,_gecd ;}else if _gfef [0]=='('{_fg .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");
_dbef ,_egbg :=_ddggg .parseString ();return _dbef ,_egbg ;}else if _gfef [0]=='['{_fg .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");_dadg ,_gbe :=_ddggg .parseArray ();return _dadg ,_gbe ;}else if (_gfef [0]=='<')&&(_gfef [1]=='<'){_fg .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");
_aaca ,_geaa :=_ddggg .ParseDict ();return _aaca ,_geaa ;}else if _gfef [0]=='<'{_fg .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");_deab ,_dafcf :=_ddggg .parseHexString ();return _deab ,_dafcf ;}else if _gfef [0]=='%'{_ddggg .readComment ();
_ddggg .skipSpaces ();}else {_fg .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_gfef ,_ =_ddggg ._geca .Peek (15);_adcdf :=string (_gfef );_fg .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_adcdf );
if (len (_adcdf )> 3)&&(_adcdf [:4]=="\u006e\u0075\u006c\u006c"){_gcbd ,_bgdea :=_ddggg .parseNull ();return &_gcbd ,_bgdea ;}else if (len (_adcdf )> 4)&&(_adcdf [:5]=="\u0066\u0061\u006cs\u0065"){_eagag ,_acab :=_ddggg .parseBool ();return &_eagag ,_acab ;
}else if (len (_adcdf )> 3)&&(_adcdf [:4]=="\u0074\u0072\u0075\u0065"){_eggf ,_baae :=_ddggg .parseBool ();return &_eggf ,_baae ;};_bcgf :=_edbca .FindStringSubmatch (_adcdf );if len (_bcgf )> 1{_gfef ,_ =_ddggg ._geca .ReadBytes ('R');_fg .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_gfef [:]));
_daabe ,_fbg :=_egdd (string (_gfef ));_daabe ._acaf =_ddggg ;return &_daabe ,_fbg ;};_ggga :=_dgbca .FindStringSubmatch (_adcdf );if len (_ggga )> 1{_fg .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");_ggca ,_cdeg :=_ddggg .parseNumber ();
return _ggca ,_cdeg ;};_ggga =_bcfda .FindStringSubmatch (_adcdf );if len (_ggga )> 1{_fg .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");_fg .Log .Trace ("\u0025\u0020\u0073",_ggga );
_aafgf ,_ddcb :=_ddggg .parseNumber ();return _aafgf ,_ddcb ;};_fg .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_adcdf );return nil ,_e .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");
};};};

// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_fd .Model ;Bounds ()_dc .Rectangle ;At (_eaea ,_cfgd int )_fd .Color ;Set (_bffg ,_cfff int ,_cbfd _fd .Color );};const (JB2Generic JBIG2CompressionType =iota ;JB2SymbolCorrelation ;JB2SymbolRankHaus ;);

// Remove removes an element specified by key.
func (_ddec *PdfObjectDictionary )Remove (key PdfObjectName ){_adea :=-1;for _eecfd ,_aebe :=range _ddec ._cdad {if _aebe ==key {_adea =_eecfd ;break ;};};if _adea >=0{_ddec ._cdad =append (_ddec ._cdad [:_adea ],_ddec ._cdad [_adea +1:]...);delete (_ddec ._fefg ,key );
};};

// IsOctalDigit checks if a character can be part of an octal digit string.
func IsOctalDigit (c byte )bool {return '0'<=c &&c <='7'};func _degf (_aeca ,_eeaa ,_abbg int )error {if _eeaa < 0||_eeaa > _aeca {return _e .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 _abbg < _eeaa {return _e .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0073\u006c\u0069\u0063e\u0020i\u006ed\u0065\u0078\u0020\u0062\u0020\u003c\u0020a");};if _abbg > _aeca {return _e .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 ;};

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

// 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 )(_cfagf string ,_ebec bool ){_ecce ,_ebec :=TraceToDirectObject (obj ).(*PdfObjectName );if _ebec {return string (*_ecce ),true ;};return ;};

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

// 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 )(_affb *PdfObjectStream ,_bcca bool ){obj =ResolveReference (obj );_affb ,_bcca =obj .(*PdfObjectStream );return _affb ,_bcca ;};

// 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 (_cef *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _cef .isDecrypted (obj ){return nil ;};switch _ggf :=obj .(type ){case *PdfIndirectObject :_cef ._bdd [_ggf ]=true ;_fg .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",_ggf .ObjectNumber ,_ggf .GenerationNumber );
_gae :=_ggf .ObjectNumber ;_feeb :=_ggf .GenerationNumber ;_gff :=_cef .Decrypt (_ggf .PdfObject ,_gae ,_feeb );if _gff !=nil {return _gff ;};return nil ;case *PdfObjectStream :_cef ._bdd [_ggf ]=true ;_bfe :=_ggf .PdfObjectDictionary ;if _cef ._bgdf .R !=5{if _bcd ,_fcee :=_bfe .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_fcee &&*_bcd =="\u0058\u0052\u0065\u0066"{return nil ;};};_eda :=_ggf .ObjectNumber ;_deeb :=_ggf .GenerationNumber ;_fg .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_eda ,_deeb );
_agfb :=_cgda ;if _cef ._cgb .V >=4{_agfb =_cef ._gbd ;_fg .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_cef ._gbd );if _eae ,_efa :=_bfe .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_efa {if _fcfc ,_feea :=GetName (_eae .Get (0));_feea {if *_fcfc =="\u0043\u0072\u0079p\u0074"{_agfb ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _eccd ,_bebg :=_bfe .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_bebg {if _cdb ,_gffb :=_eccd .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_gffb {if _ ,_gffg :=_cef ._geg [string (*_cdb )];_gffg {_fg .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_cdb );
_agfb =string (*_cdb );};};};};};};_fg .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_agfb );if _agfb =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_bba :=_cef .Decrypt (_bfe ,_eda ,_deeb );
if _bba !=nil {return _bba ;};_bea ,_bba :=_cef .makeKey (_agfb ,uint32 (_eda ),uint32 (_deeb ),_cef ._fgda );if _bba !=nil {return _bba ;};_ggf .Stream ,_bba =_cef .decryptBytes (_ggf .Stream ,_agfb ,_bea );if _bba !=nil {return _bba ;};_bfe .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_ggf .Stream ))));
return nil ;case *PdfObjectString :_fg .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_ege :=_cgda ;if _cef ._cgb .V >=4{_fg .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_cef ._bed );
if _cef ._bed =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_ege =_cef ._bed ;};_fga ,_bggg :=_cef .makeKey (_ege ,uint32 (parentObjNum ),uint32 (parentGenNum ),_cef ._fgda );if _bggg !=nil {return _bggg ;};_bbfc :=_ggf .Str ();_aeff :=make ([]byte ,len (_bbfc ));
for _fab :=0;_fab < len (_bbfc );_fab ++{_aeff [_fab ]=_bbfc [_fab ];};_fg .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_aeff ,_aeff );_aeff ,_bggg =_cef .decryptBytes (_aeff ,_ege ,_fga );
if _bggg !=nil {return _bggg ;};_ggf ._caeaf =string (_aeff );return nil ;case *PdfObjectArray :for _ ,_cdfe :=range _ggf .Elements (){_fcdb :=_cef .Decrypt (_cdfe ,parentObjNum ,parentGenNum );if _fcdb !=nil {return _fcdb ;};};return nil ;case *PdfObjectDictionary :_fgfg :=false ;
if _ebb :=_ggf .Get ("\u0054\u0079\u0070\u0065");_ebb !=nil {_cbc ,_gfc :=_ebb .(*PdfObjectName );if _gfc &&*_cbc =="\u0053\u0069\u0067"{_fgfg =true ;};};for _ ,_ebc :=range _ggf .Keys (){_gaeg :=_ggf .Get (_ebc );if _fgfg &&string (_ebc )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;
};if string (_ebc )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_ebc )!="\u0050\u0072\u0065\u0076"&&string (_ebc )!="\u004c\u0061\u0073\u0074"{_ace :=_cef .Decrypt (_gaeg ,parentObjNum ,parentGenNum );if _ace !=nil {return _ace ;};};};return nil ;
};return nil ;};func _af (_ce PdfObject )(int64 ,int64 ,error ){if _efc ,_cacf :=_ce .(*PdfIndirectObject );_cacf {return _efc .ObjectNumber ,_efc .GenerationNumber ,nil ;};if _fbbf ,_fcgf :=_ce .(*PdfObjectStream );_fcgf {return _fbbf .ObjectNumber ,_fbbf .GenerationNumber ,nil ;
};return 0,0,_e .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");};

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

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

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

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

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

// Encode encodes previously prepare jbig2 document and stores it as the byte slice.
func (_ageg *JBIG2Encoder )Encode ()(_ebab []byte ,_egbc error ){const _fgef ="J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u002e\u0045\u006eco\u0064\u0065";if _ageg ._gedc ==nil {return nil ,_ac .Errorf (_fgef ,"\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");
};_ageg ._gedc .FullHeaders =_ageg .DefaultPageSettings .FileMode ;_ebab ,_egbc =_ageg ._gedc .Encode ();if _egbc !=nil {return nil ,_ac .Wrap (_egbc ,_fgef ,"");};return _ebab ,nil ;};func _gddc (_fcdf *PdfObjectStream ,_ggfd *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;
};

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

// UpdateParams updates the parameter values of the encoder.
func (_gagc *ASCIIHexEncoder )UpdateParams (params *PdfObjectDictionary ){};func (_gfbg *PdfParser )parseXrefStream (_fggb *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _fggb !=nil {_fg .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",_fggb );
_gfbg ._bafd .Seek (int64 (*_fggb ),_ag .SeekStart );_gfbg ._geca =_fcg .NewReader (_gfbg ._bafd );};_fdcac :=_gfbg .GetFileOffset ();_edbdf ,_bgdfe :=_gfbg .ParseIndirectObject ();if _bgdfe !=nil {_fg .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 ,_e .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");};_fg .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_edbdf );
_feeca ,_ddbg :=_edbdf .(*PdfObjectStream );if !_ddbg {_fg .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 ,_e .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");};_gcce :=_feeca .PdfObjectDictionary ;
_dadf ,_ddbg :=_feeca .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_ddbg {_fg .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 ,_e .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 (*_dadf )> 8388607{_fg .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",*_dadf );
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_fded :=_feeca .PdfObjectDictionary .Get ("\u0057");_ddeb ,_ddbg :=_fded .(*PdfObjectArray );if !_ddbg {return nil ,_e .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_acac :=_ddeb .Len ();if _acac !=3{_fg .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",_acac );
return nil ,_e .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 _bebfe []int64 ;for _ffdf :=0;_ffdf < 3;
_ffdf ++{_dfgec ,_edebc :=GetInt (_ddeb .Get (_ffdf ));if !_edebc {return nil ,_e .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_bebfe =append (_bebfe ,int64 (*_dfgec ));};_bffe ,_bgdfe :=DecodeStream (_feeca );
if _bgdfe !=nil {_fg .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",_bgdfe );return nil ,_bgdfe ;};_eagec :=int (_bebfe [0]);
_gbaf :=int (_bebfe [0]+_bebfe [1]);_gaea :=int (_bebfe [0]+_bebfe [1]+_bebfe [2]);_gcag :=int (_bebfe [0]+_bebfe [1]+_bebfe [2]);if _eagec < 0||_gbaf < 0||_gaea < 0{_fg .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",_eagec ,_gbaf ,_gaea );
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _gcag ==0{_fg .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 _gcce ,nil ;};_ccea :=len (_bffe )/_gcag ;_aead :=0;_dedd :=_feeca .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _bcag []int ;if _dedd !=nil {_fg .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_dedd );_addc ,_fdfb :=_dedd .(*PdfObjectArray );
if !_fdfb {_fg .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 ,_e .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _addc .Len ()%2!=0{_fg .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 ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_aead =0;_gbad ,_efeg :=_addc .ToIntegerArray ();if _efeg !=nil {_fg .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",_efeg );
return nil ,_efeg ;};for _gfbf :=0;_gfbf < len (_gbad );_gfbf +=2{_ebdd :=_gbad [_gfbf ];_cfbe :=_gbad [_gfbf +1];for _agcd :=0;_agcd < _cfbe ;_agcd ++{_bcag =append (_bcag ,_ebdd +_agcd );};_aead +=_cfbe ;};}else {for _dbca :=0;_dbca < int (*_dadf );_dbca ++{_bcag =append (_bcag ,_dbca );
};_aead =int (*_dadf );};if _ccea ==_aead +1{_fg .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");
_gcca :=_aead -1;for _ ,_eegc :=range _bcag {if _eegc > _gcca {_gcca =_eegc ;};};_bcag =append (_bcag ,_gcca +1);_aead ++;};if _ccea !=len (_bcag ){_fg .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",_ccea ,len (_bcag ));
return nil ,_e .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");};_fg .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_aead );
_fg .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_bcag );_fcdc :=func (_gfae []byte )int64 {var _eecaf int64 ;for _cfgdc :=0;_cfgdc < len (_gfae );_cfgdc ++{_eecaf +=int64 (_gfae [_cfgdc ])*(1<<uint (8*(len (_gfae )-_cfgdc -1)));
};return _eecaf ;};_fg .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_bffe ));_gffc :=0;for _ecga :=0;_ecga < len (_bffe );_ecga +=_gcag {_fagc :=_degf (len (_bffe ),_ecga ,_ecga +_eagec );
if _fagc !=nil {_fg .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_fagc );return nil ,_fagc ;};_gbgb :=_bffe [_ecga :_ecga +_eagec ];_fagc =_degf (len (_bffe ),_ecga +_eagec ,_ecga +_gbaf );
if _fagc !=nil {_fg .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_fagc );return nil ,_fagc ;};_ccebc :=_bffe [_ecga +_eagec :_ecga +_gbaf ];_fagc =_degf (len (_bffe ),_ecga +_gbaf ,_ecga +_gaea );
if _fagc !=nil {_fg .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_fagc );return nil ,_fagc ;};_ffbd :=_bffe [_ecga +_gbaf :_ecga +_gaea ];_bbba :=_fcdc (_gbgb );
_bfcc :=_fcdc (_ccebc );_bgbe :=_fcdc (_ffbd );if _bebfe [0]==0{_bbba =1;};if _gffc >=len (_bcag ){_fg .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 ;};_gddb :=_bcag [_gffc ];_gffc ++;_fg .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_gddb ,_gbgb );_fg .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_gddb ,_ccebc );_fg .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_gddb ,_ffbd );
_fg .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_gddb ,_bbba ,_bfcc ,_bgbe );if _bbba ==0{_fg .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 _bbba ==1{_fg .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",_ccebc );if _bfcc ==_fdcac {_fg .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",_gddb ,_feeca .ObjectNumber );
_gddb =int (_feeca .ObjectNumber );};if _cgdf ,_gecc :=_gfbg ._gaggca .ObjectMap [_gddb ];!_gecc ||int (_bgbe )> _cgdf .Generation {_ccdge :=XrefObject {ObjectNumber :_gddb ,XType :XrefTypeTableEntry ,Offset :_bfcc ,Generation :int (_bgbe )};_gfbg ._gaggca .ObjectMap [_gddb ]=_ccdge ;
};}else if _bbba ==2{_fg .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 _ ,_gfbgd :=_gfbg ._gaggca .ObjectMap [_gddb ];!_gfbgd {_afged :=XrefObject {ObjectNumber :_gddb ,XType :XrefTypeObjectStream ,OsObjNumber :int (_bfcc ),OsObjIndex :int (_bgbe )};
_gfbg ._gaggca .ObjectMap [_gddb ]=_afged ;_fg .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_afged );};}else {_fg .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 _gfbg ._bcgd ==nil {_gbdf :=XrefTypeObjectStream ;_gfbg ._bcgd =&_gbdf ;};return _gcce ,nil ;};

// NewRunLengthEncoder makes a new run length encoder
func NewRunLengthEncoder ()*RunLengthEncoder {return &RunLengthEncoder {}};func (_afe *PdfCrypt )securityHandler ()_df .StdHandler {if _afe ._bgdf .R >=5{return _df .NewHandlerR6 ();};return _df .NewHandlerR4 (_afe ._dgc ,_afe ._cgb .Length );};var _cbgea =_cd .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");


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

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

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_edeaa *MultiEncoder )MakeDecodeParams ()PdfObject {if len (_edeaa ._gbaa )==0{return nil ;};if len (_edeaa ._gbaa )==1{return _edeaa ._gbaa [0].MakeDecodeParams ();};_gce :=MakeArray ();for _ ,_faff :=range _edeaa ._gbaa {_aegg :=_faff .MakeDecodeParams ();
if _aegg ==nil {_gce .Append (MakeNull ());}else {_gce .Append (_aegg );};};return _gce ;};

// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_gea *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _dagdd _ca .Buffer ;_cgeb :=_ca .NewReader (encoded );var _aade _ag .ReadCloser ;if _gea .EarlyChange ==1{_aade =_fce .NewReader (_cgeb ,_fce .MSB ,8);}else {_aade =_ee .NewReader (_cgeb ,_ee .MSB ,8);
};defer _aade .Close ();if _ ,_faag :=_dagdd .ReadFrom (_aade );_faag !=nil {if _faag !=_ag .ErrUnexpectedEOF ||_dagdd .Len ()==0{return nil ,_faag ;};_fg .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",_faag );
};return _dagdd .Bytes (),nil ;};

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_fbga :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _fbga ==nil {return NewRawEncoder (),nil ;};if _ ,_dacga :=_fbga .(*PdfObjectNull );
_dacga {return NewRawEncoder (),nil ;};_fecc ,_fdcf :=_fbga .(*PdfObjectName );if !_fdcf {_dgfe ,_eegb :=_fbga .(*PdfObjectArray );if !_eegb {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 _dgfe .Len ()==0{return NewRawEncoder (),nil ;};if _dgfe .Len ()!=1{_feecf ,_gcbcd :=_fgga (streamObj );if _gcbcd !=nil {_fg .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",_gcbcd );
return nil ,_gcbcd ;};_fg .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_feecf );return _feecf ,nil ;};_fbga =_dgfe .Get (0);_fecc ,_eegb =_fbga .(*PdfObjectName );if !_eegb {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 _bdbg ,_gddg :=_cdbgd .Load (_fecc .String ());_gddg {return _bdbg .(StreamEncoder ),nil ;};switch *_fecc {case StreamEncodingFilterNameFlate :return _ggbd (streamObj ,nil );case StreamEncodingFilterNameLZW :return _aba (streamObj ,nil );case StreamEncodingFilterNameDCT :return _aefg (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _gddc (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _gdbb (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _acde (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_fg .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",*_fecc );};func (_deef *PdfCrypt )encryptBytes (_cbce []byte ,_fcad string ,_efedf []byte )([]byte ,error ){_fg .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_gef ,_adc :=_deef ._geg [_fcad ];if !_adc {return nil ,_fc .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_fcad );};return _gef .EncryptBytes (_cbce ,_efedf );};const _cgda ="\u0053\u0074\u0064C\u0046";


// 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 (_dgfg *PdfParser )GetTrailer ()*PdfObjectDictionary {return _dgfg ._eedfa };

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

// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_cgb encryptDict ;_bgdf _df .StdEncryptDict ;_dgc string ;_fgda []byte ;_bdd map[PdfObject ]bool ;_cgc map[PdfObject ]bool ;_fad bool ;_geg cryptFilters ;_gbd string ;_bed string ;_cacga *PdfParser ;_dgb map[int ]struct{};};

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

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

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_baca []float64 ,_gedb error ){for _ ,_cead :=range objects {_afaa ,_deeaf :=GetNumberAsFloat (_cead );if _deeaf !=nil {return nil ,_deeaf ;};_baca =append (_baca ,_afaa );};return _baca ,nil ;};

// 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 {_geef :=PdfObjectString {_caeaf :s };return &_geef };var _cdbgd _de .Map ;

// UpdateParams updates the parameter values of the encoder.
func (_dcd *MultiEncoder )UpdateParams (params *PdfObjectDictionary ){for _ ,_abeg :=range _dcd ._gbaa {_abeg .UpdateParams (params );};};func (_ead *PdfParser )lookupByNumber (_baf int ,_ecf bool )(PdfObject ,bool ,error ){_fbd ,_edd :=_ead .ObjCache [_baf ];
if _edd {_fg .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",_baf );return _fbd ,false ,nil ;};if _ead ._gege ==nil {_ead ._gege =map[int ]bool {};
};if _ead ._gege [_baf ]{_fg .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",_baf );
return nil ,false ,_e .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");};_ead ._gege [_baf ]=true ;defer delete (_ead ._gege ,_baf );
_edb ,_edd :=_ead ._gaggca .ObjectMap [_baf ];if !_edd {_fg .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 _fbdb PdfObjectNull ;return &_fbdb ,false ,nil ;};_fg .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_baf );if _edb .XType ==XrefTypeTableEntry {_fg .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_edb .ObjectNumber );
_fg .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_edb .Generation );_fg .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_edb .Offset );_ead ._bafd .Seek (_edb .Offset ,_ag .SeekStart );
_ead ._geca =_fcg .NewReader (_ead ._bafd );_decc ,_dba :=_ead .ParseIndirectObject ();if _dba !=nil {_fg .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",_dba );
if _ecf {_fg .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");_ab ,_fbe :=_ead .repairRebuildXrefsTopDown ();
if _fbe !=nil {_fg .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_fbe );return nil ,false ,_fbe ;};_ead ._gaggca =*_ab ;return _ead .lookupByNumber (_baf ,false );
};return nil ,false ,_dba ;};if _ecf {_ede ,_ ,_ :=_af (_decc );if int (_ede )!=_baf {_fg .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_gb :=_ead .rebuildXrefTable ();
if _gb !=nil {return nil ,false ,_gb ;};_ead .ObjCache =objectCache {};return _ead .lookupByNumberWrapper (_baf ,false );};};_fg .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_ead .ObjCache [_baf ]=_decc ;
return _decc ,false ,nil ;}else if _edb .XType ==XrefTypeObjectStream {_fg .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_fg .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_fg .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",_edb .OsObjNumber ,_edb .OsObjIndex );
if _edb .OsObjNumber ==_baf {_fg .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 ,_e .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_caf :=_ead ._gaggca .ObjectMap [_edb .OsObjNumber ];_caf {_ceb ,_be :=_ead .lookupObjectViaOS (_edb .OsObjNumber ,_baf );if _be !=nil {_fg .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_be );
return nil ,true ,_be ;};_fg .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_ead .ObjCache [_baf ]=_ceb ;if _ead ._dcgab !=nil {_ead ._dcgab ._bdd [_ceb ]=true ;};return _ceb ,true ,nil ;};_fg .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 ,_e .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 ,_e .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

// 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 )(_afgef *PdfObjectName ,_dfef bool ){_afgef ,_dfef =TraceToDirectObject (obj ).(*PdfObjectName );return _afgef ,_dfef ;};

// GetFilterName returns the name of the encoding filter.
func (_efff *ASCII85Encoder )GetFilterName ()string {return StreamEncodingFilterNameASCII85 };var _fabe =_cd .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");
func (_fcgfc *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_dgef :=_fcgfc ._geca .Discard (4);return PdfObjectNull {},_dgef ;};

// PdfObjectReference represents the primitive PDF reference object.
type PdfObjectReference struct{_acaf *PdfParser ;ObjectNumber int64 ;GenerationNumber int64 ;};func _fgga (_fcb *PdfObjectStream )(*MultiEncoder ,error ){_cfdd :=NewMultiEncoder ();_cdab :=_fcb .PdfObjectDictionary ;if _cdab ==nil {return _cfdd ,nil ;};
var _bagd *PdfObjectDictionary ;var _fgfb []PdfObject ;_gdbf :=_cdab .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _gdbf !=nil {_cfgf ,_bddfg :=_gdbf .(*PdfObjectDictionary );if _bddfg {_bagd =_cfgf ;};_ebee ,_cedeb :=_gdbf .(*PdfObjectArray );
if _cedeb {for _ ,_cbgb :=range _ebee .Elements (){_cbgb =TraceToDirectObject (_cbgb );if _baba ,_cecc :=_cbgb .(*PdfObjectDictionary );_cecc {_fgfb =append (_fgfb ,_baba );}else {_fgfb =append (_fgfb ,MakeDict ());};};};};_gdbf =_cdab .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");
if _gdbf ==nil {return nil ,_fc .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");};_ffgb ,_abcd :=_gdbf .(*PdfObjectArray );if !_abcd {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 _cgcb ,_gefd :=range _ffgb .Elements (){_egb ,_agee :=_gefd .(*PdfObjectName );if !_agee {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 _gefe PdfObject ;if _bagd !=nil {_gefe =_bagd ;}else {if len (_fgfb )> 0{if _cgcb >=len (_fgfb ){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");
};_gefe =_fgfb [_cgcb ];};};var _bebf *PdfObjectDictionary ;if _gagd ,_gcdfe :=_gefe .(*PdfObjectDictionary );_gcdfe {_bebf =_gagd ;};_fg .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",*_egb ,_gefe ,_bebf );
if *_egb ==StreamEncodingFilterNameFlate {_aggc ,_aafg :=_ggbd (_fcb ,_bebf );if _aafg !=nil {return nil ,_aafg ;};_cfdd .AddEncoder (_aggc );}else if *_egb ==StreamEncodingFilterNameLZW {_eage ,_badde :=_aba (_fcb ,_bebf );if _badde !=nil {return nil ,_badde ;
};_cfdd .AddEncoder (_eage );}else if *_egb ==StreamEncodingFilterNameASCIIHex {_baec :=NewASCIIHexEncoder ();_cfdd .AddEncoder (_baec );}else if *_egb ==StreamEncodingFilterNameASCII85 {_egfa :=NewASCII85Encoder ();_cfdd .AddEncoder (_egfa );}else if *_egb ==StreamEncodingFilterNameDCT {_degg ,_ddf :=_aefg (_fcb ,_cfdd );
if _ddf !=nil {return nil ,_ddf ;};_cfdd .AddEncoder (_degg );_fg .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_fg .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_cfdd );
}else {_fg .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_egb );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 _cfdd ,nil ;};type offsetReader struct{_ggfc _ag .ReadSeeker ;_fbbe int64 ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_cebg *ASCIIHexEncoder )MakeDecodeParams ()PdfObject {return nil };func (_ddd *PdfCrypt )saveCryptFilters (_cbb *PdfObjectDictionary )error {if _ddd ._cgb .V < 4{return _e .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");
};_caa :=MakeDict ();_cbb .Set ("\u0043\u0046",_caa );for _gbde ,_eeb :=range _ddd ._geg {if _gbde =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_dcg :=_fcgg (_eeb ,"");_caa .Set (PdfObjectName (_gbde ),_dcg );};_cbb .Set ("\u0053\u0074\u0072\u0046",MakeName (_ddd ._bed ));
_cbb .Set ("\u0053\u0074\u006d\u0046",MakeName (_ddd ._gbd ));return nil ;};

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

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

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

// 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 (_faeb *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _cegc []int64 ;for _ ,_gaab :=range _faeb .Elements (){if _gabe ,_cfdge :=_gaab .(*PdfObjectInteger );_cfdge {_cegc =append (_cegc ,int64 (*_gabe ));}else {return nil ,ErrTypeError ;};};
return _cegc ,nil ;};func (_ceed *PdfParser )traceStreamLength (_gbee PdfObject )(PdfObject ,error ){_efgg ,_acff :=_gbee .(*PdfObjectReference );if _acff {_aadgb ,_gbcg :=_ceed ._dffad [_efgg .ObjectNumber ];if _gbcg &&_aadgb {_fg .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 ,_e .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_ceed ._dffad [_efgg .ObjectNumber ]=true ;};_bdgg ,_beac :=_ceed .Resolve (_gbee );if _beac !=nil {return nil ,_beac ;
};_fg .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_bdgg );if _acff {_ceed ._dffad [_efgg .ObjectNumber ]=false ;};return _bdgg ,nil ;};

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

// 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 _ecfe (o ,0,traversed );};func (_ceaeb *PdfParser )parseArray ()(*PdfObjectArray ,error ){_gedcd :=MakeArray ();
_ceaeb ._geca .ReadByte ();for {_ceaeb .skipSpaces ();_fcdgb ,_efcfg :=_ceaeb ._geca .Peek (1);if _efcfg !=nil {return _gedcd ,_efcfg ;};if _fcdgb [0]==']'{_ceaeb ._geca .ReadByte ();break ;};_cbefe ,_efcfg :=_ceaeb .parseObject ();if _efcfg !=nil {return _gedcd ,_efcfg ;
};_gedcd .Append (_cbefe );};return _gedcd ,nil ;};

// WriteString outputs the object as it is to be written to file.
func (_afed *PdfObjectDictionary )WriteString ()string {var _dege _ae .Builder ;_dege .WriteString ("\u003c\u003c");for _ ,_ggfdb :=range _afed ._cdad {_cdcd :=_afed ._fefg [_ggfdb ];_dege .WriteString (_ggfdb .WriteString ());_dege .WriteString ("\u0020");
_dege .WriteString (_cdcd .WriteString ());};_dege .WriteString ("\u003e\u003e");return _dege .String ();};func _aba (_bggf *PdfObjectStream ,_cfdca *PdfObjectDictionary )(*LZWEncoder ,error ){_dedf :=NewLZWEncoder ();_dbg :=_bggf .PdfObjectDictionary ;
if _dbg ==nil {return _dedf ,nil ;};if _cfdca ==nil {_cefe :=TraceToDirectObject (_dbg .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _cefe !=nil {if _eeed ,_fbff :=_cefe .(*PdfObjectDictionary );_fbff {_cfdca =_eeed ;}else if _dgce ,_gcdf :=_cefe .(*PdfObjectArray );
_gcdf {if _dgce .Len ()==1{if _abdg ,_ggee :=GetDict (_dgce .Get (0));_ggee {_cfdca =_abdg ;};};};if _cfdca ==nil {_fg .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",_cefe );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_fbec :=_dbg .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _fbec !=nil {_fcc ,_cbcf :=_fbec .(*PdfObjectInteger );
if !_cbcf {_fg .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",_fbec );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_fcc !=0&&*_fcc !=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");
};_dedf .EarlyChange =int (*_fcc );}else {_dedf .EarlyChange =1;};if _cfdca ==nil {return _dedf ,nil ;};if _dacd ,_fdc :=GetIntVal (_cfdca .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_fdc {if _dacd ==0||_dacd ==1{_dedf .EarlyChange =_dacd ;
}else {_fg .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",_dacd );};};_fbec =_cfdca .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _fbec !=nil {_dgfd ,_fadg :=_fbec .(*PdfObjectInteger );if !_fadg {_fg .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",_fbec );
return nil ,_fc .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_dedf .Predictor =int (*_dgfd );};_fbec =_cfdca .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _fbec !=nil {_cbcfa ,_ecb :=_fbec .(*PdfObjectInteger );if !_ecb {_fg .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");};_dedf .BitsPerComponent =int (*_cbcfa );};if _dedf .Predictor > 1{_dedf .Columns =1;_fbec =_cfdca .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _fbec !=nil {_cgdc ,_bbd :=_fbec .(*PdfObjectInteger );if !_bbd {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");};_dedf .Columns =int (*_cgdc );
};_dedf .Colors =1;_fbec =_cfdca .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _fbec !=nil {_eabc ,_dafe :=_fbec .(*PdfObjectInteger );if !_dafe {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");
};_dedf .Colors =int (*_eabc );};};_fg .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_cfdca .String ());return _dedf ,nil ;};

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_afgge *PdfParser )GetFileOffset ()int64 {_caab ,_ :=_afgge ._bafd .Seek (0,_ag .SeekCurrent );_caab -=int64 (_afgge ._geca .Buffered ());return _caab ;};func (_gaf *PdfCrypt )loadCryptFilters (_egf *PdfObjectDictionary )error {_gaf ._geg =cryptFilters {};
_gag :=_egf .Get ("\u0043\u0046");_gag =TraceToDirectObject (_gag );if _gcg ,_fea :=_gag .(*PdfObjectReference );_fea {_cagg ,_fcgc :=_gaf ._cacga .LookupByReference (*_gcg );if _fcgc !=nil {_fg .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 _fcgc ;};_gag =TraceToDirectObject (_cagg );};_egg ,_dfg :=_gag .(*PdfObjectDictionary );if !_dfg {_fg .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_gag );return _e .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");
};for _ ,_dge :=range _egg .Keys (){_efe :=_egg .Get (_dge );if _edbg ,_bae :=_efe .(*PdfObjectReference );_bae {_gdg ,_dacf :=_gaf ._cacga .LookupByReference (*_edbg );if _dacf !=nil {_fg .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 _dacf ;};_efe =TraceToDirectObject (_gdg );};_bbf ,_fee :=_efe .(*PdfObjectDictionary );if !_fee {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",_dge ,_efe );
};if _dge =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_fg .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 _cae _fa .FilterDict ;if _gec :=_ebe (&_cae ,_bbf );_gec !=nil {return _gec ;};_agf ,_cb :=_fa .NewFilter (_cae );if _cb !=nil {return _cb ;};_gaf ._geg [string (_dge )]=_agf ;};_gaf ._geg ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_fa .NewIdentity ();
_gaf ._bed ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _bcgg ,_fgdg :=_egf .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_fgdg {if _ ,_gdc :=_gaf ._geg [string (*_bcgg )];!_gdc {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",*_bcgg );
};_gaf ._bed =string (*_bcgg );};_gaf ._gbd ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _ggd ,_fef :=_egf .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_fef {if _ ,_aef :=_gaf ._geg [string (*_ggd )];!_aef {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",*_ggd );
};_gaf ._gbd =string (*_ggd );};return nil ;};

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

// String returns a string describing `stream`.
func (_dbcg *PdfObjectStream )String ()string {return _fc .Sprintf ("O\u0062j\u0065\u0063\u0074\u0020\u0073\u0074\u0072\u0065a\u006d\u0020\u0025\u0064: \u0025\u0073",_dbcg .ObjectNumber ,_dbcg .PdfObjectDictionary );};func (_gaebc *PdfParser )parseString ()(*PdfObjectString ,error ){_gaebc ._geca .ReadByte ();
var _faaf _ca .Buffer ;_fffg :=1;for {_fcdd ,_gbcf :=_gaebc ._geca .Peek (1);if _gbcf !=nil {return MakeString (_faaf .String ()),_gbcf ;};if _fcdd [0]=='\\'{_gaebc ._geca .ReadByte ();_bdgf ,_fead :=_gaebc ._geca .ReadByte ();if _fead !=nil {return MakeString (_faaf .String ()),_fead ;
};if IsOctalDigit (_bdgf ){_acbc ,_feef :=_gaebc ._geca .Peek (2);if _feef !=nil {return MakeString (_faaf .String ()),_feef ;};var _dfbb []byte ;_dfbb =append (_dfbb ,_bdgf );for _ ,_edeb :=range _acbc {if IsOctalDigit (_edeb ){_dfbb =append (_dfbb ,_edeb );
}else {break ;};};_gaebc ._geca .Discard (len (_dfbb )-1);_fg .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_dfbb );_cde ,_feef :=_c .ParseUint (string (_dfbb ),8,32);if _feef !=nil {return MakeString (_faaf .String ()),_feef ;
};_faaf .WriteByte (byte (_cde ));continue ;};switch _bdgf {case 'n':_faaf .WriteRune ('\n');case 'r':_faaf .WriteRune ('\r');case 't':_faaf .WriteRune ('\t');case 'b':_faaf .WriteRune ('\b');case 'f':_faaf .WriteRune ('\f');case '(':_faaf .WriteRune ('(');
case ')':_faaf .WriteRune (')');case '\\':_faaf .WriteRune ('\\');};continue ;}else if _fcdd [0]=='('{_fffg ++;}else if _fcdd [0]==')'{_fffg --;if _fffg ==0{_gaebc ._geca .ReadByte ();break ;};};_gcff ,_ :=_gaebc ._geca .ReadByte ();_faaf .WriteByte (_gcff );
};return MakeString (_faaf .String ()),nil ;};var _bab =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};func (_dfda *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_dfda ._gaggca .ObjectMap =make (map[int ]XrefObject );_dfda ._daaf =make (objectStreams );
_ceab ,_bcgae :=_dfda ._bafd .Seek (0,_ag .SeekEnd );if _bcgae !=nil {return nil ,_bcgae ;};_fg .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_ceab );_dfda ._eefc =_ceab ;_bcgae =_dfda .seekToEOFMarker (_ceab );if _bcgae !=nil {_fg .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",_bcgae );
return nil ,_bcgae ;};_dbge ,_bcgae :=_dfda ._bafd .Seek (0,_ag .SeekCurrent );if _bcgae !=nil {return nil ,_bcgae ;};var _ebea int64 =64;_dbbd :=_dbge -_ebea ;if _dbbd < 0{_dbbd =0;};_ ,_bcgae =_dfda ._bafd .Seek (_dbbd ,_ag .SeekStart );if _bcgae !=nil {return nil ,_bcgae ;
};_fbde :=make ([]byte ,_ebea );_ ,_bcgae =_dfda ._bafd .Read (_fbde );if _bcgae !=nil {_fg .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",_bcgae );
return nil ,_bcgae ;};_ggbbg :=_cfage .FindStringSubmatch (string (_fbde ));if len (_ggbbg )< 2{_fg .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 ,_e .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};if len (_ggbbg )> 2{_fg .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",_fbde );
return nil ,_e .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");};_bfa ,_ :=_c .ParseInt (_ggbbg [1],10,64);_fg .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_bfa );
if _bfa > _ceab {_fg .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");_fg .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");
_bfa ,_bcgae =_dfda .repairLocateXref ();if _bcgae !=nil {_fg .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 ,_bcgae ;};};_dfda ._bafd .Seek (_bfa ,_ag .SeekStart );_dfda ._geca =_fcg .NewReader (_dfda ._bafd );_dcgd ,_bcgae :=_dfda .parseXref ();if _bcgae !=nil {return nil ,_bcgae ;};_gfdc :=_dcgd .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");if _gfdc !=nil {_aeda ,_fbbc :=_gfdc .(*PdfObjectInteger );
if !_fbbc {return nil ,_e .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_bcgae =_dfda .parseXrefStream (_aeda );if _bcgae !=nil {return nil ,_bcgae ;};};var _ddeg []int64 ;_cccc :=func (_dffd int64 ,_edgd []int64 )bool {for _ ,_edgc :=range _edgd {if _edgc ==_dffd {return true ;
};};return false ;};_gfdc =_dcgd .Get ("\u0050\u0072\u0065\u0076");for _gfdc !=nil {_gfefa ,_faecc :=_gfdc .(*PdfObjectInteger );if !_faecc {_fg .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",_gfdc );
return _dcgd ,nil ;};_acga :=*_gfefa ;_fg .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",_acga );_dfda ._bafd .Seek (int64 (_acga ),_ag .SeekStart );
_dfda ._geca =_fcg .NewReader (_dfda ._bafd );_caeb ,_defb :=_dfda .parseXref ();if _defb !=nil {_fg .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");
_fg .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 ;};_gfdc =_caeb .Get ("\u0050\u0072\u0065\u0076");
if _gfdc !=nil {_bdeg :=*(_gfdc .(*PdfObjectInteger ));if _cccc (int64 (_bdeg ),_ddeg ){_fg .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 ;};_ddeg =append (_ddeg ,int64 (_bdeg ));};};return _dcgd ,nil ;};

// String returns a string describing `d`.
func (_afgc *PdfObjectDictionary )String ()string {var _gccb _ae .Builder ;_gccb .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_acfa :=range _afgc ._cdad {_bfbc :=_afgc ._fefg [_acfa ];_gccb .WriteString ("\u0022"+_acfa .String ()+"\u0022\u003a\u0020");
_gccb .WriteString (_bfbc .String ());_gccb .WriteString ("\u002c\u0020");};_gccb .WriteString ("\u0029");return _gccb .String ();};func (_bddf *PdfCrypt )isEncrypted (_deebd PdfObject )bool {_ ,_fca :=_bddf ._cgc [_deebd ];if _fca {_fg .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};_fg .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");return false ;};

// 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 (_ddfa *PdfObjectDictionary )GetString (key PdfObjectName )(string ,bool ){_cbgd ,_adeg :=_ddfa ._fefg [key ].(*PdfObjectString );if !_adeg {return "",false ;};return _cbgd .Str (),true ;};

// Version represents a version of a PDF standard.
type Version struct{Major int ;Minor int ;};const (_bde =0;_abf =1;_fgag =2;_eea =3;_dgcb =4;);func (_aegfc *PdfParser )xrefNextObjectOffset (_dbad int64 )int64 {_afa :=int64 (0);if len (_aegfc ._gaggca .ObjectMap )==0{return 0;};if len (_aegfc ._gaggca ._cac )==0{_fddb :=0;
for _ ,_edbe :=range _aegfc ._gaggca .ObjectMap {if _edbe .Offset > 0{_fddb ++;};};if _fddb ==0{return 0;};_aegfc ._gaggca ._cac =make ([]XrefObject ,_fddb );_bfb :=0;for _ ,_bcb :=range _aegfc ._gaggca .ObjectMap {if _bcb .Offset > 0{_aegfc ._gaggca ._cac [_bfb ]=_bcb ;
_bfb ++;};};_ff .Slice (_aegfc ._gaggca ._cac ,func (_cagb ,_bfef int )bool {return _aegfc ._gaggca ._cac [_cagb ].Offset < _aegfc ._gaggca ._cac [_bfef ].Offset ;});};_gfff :=_ff .Search (len (_aegfc ._gaggca ._cac ),func (_eabae int )bool {return _aegfc ._gaggca ._cac [_eabae ].Offset >=_dbad });
if _gfff < len (_aegfc ._gaggca ._cac ){_afa =_aegfc ._gaggca ._cac [_gfff ].Offset ;};return _afa ;};type objectStream struct{N int ;_cag []byte ;_acf map[int ]int64 ;};

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

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

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

// 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 (_eacc *PdfParser )CheckAccessRights (password []byte )(bool ,_df .Permissions ,error ){if _eacc ._dcgab ==nil {return true ,_df .PermOwner ,nil ;};return _eacc ._dcgab .checkAccessRights (password );};func (_add *PdfCrypt )isDecrypted (_agdd PdfObject )bool {_ ,_cee :=_add ._bdd [_agdd ];
if _cee {_fg .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");return true ;};switch _edbd :=_agdd .(type ){case *PdfObjectStream :if _add ._bgdf .R !=5{if _ggcg ,_ccb :=_edbd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_ccb &&*_ggcg =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_cee =_add ._dgb [int (_edbd .ObjectNumber )];_cee {return true ;};switch _fgb :=_edbd .PdfObject .(type ){case *PdfObjectDictionary :_cbbf :=true ;for _ ,_egge :=range _bab {if _fgb .Get (_egge )==nil {_cbbf =false ;
break ;};};if _cbbf {return true ;};};};_fg .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");return false ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_eggee *DCTEncoder )MakeDecodeParams ()PdfObject {return nil };const _ddgc =10;

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

// Validate validates the page settings for the JBIG2 encoder.
func (_bbfe JBIG2EncoderSettings )Validate ()error {const _fcdg ="\u0076a\u006ci\u0064\u0061\u0074\u0065\u0045\u006e\u0063\u006f\u0064\u0065\u0072";if _bbfe .Threshold < 0||_bbfe .Threshold > 1.0{return _ac .Errorf (_fcdg ,"\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",_bbfe .Threshold );
};if _bbfe .ResolutionX < 0{return _ac .Errorf (_fcdg ,"\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",_bbfe .ResolutionX );
};if _bbfe .ResolutionY < 0{return _ac .Errorf (_fcdg ,"\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",_bbfe .ResolutionY );
};if _bbfe .DefaultPixelValue !=0&&_bbfe .DefaultPixelValue !=1{return _ac .Errorf (_fcdg ,"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}",_bbfe .DefaultPixelValue );
};if _bbfe .Compression !=JB2Generic {return _ac .Errorf (_fcdg ,"\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 ;};func _afgd (_cbgc _ag .ReadSeeker ,_abacf int64 )(*offsetReader ,error ){_cgg :=&offsetReader {_ggfc :_cbgc ,_fbbe :_abacf };_ ,_gebg :=_cgg .Seek (0,_ag .SeekStart );return _cgg ,_gebg ;};