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 (_ae "bufio";_ga "bytes";_cfe "compress/lzw";_dg "compress/zlib";_ff "crypto/md5";_fb "crypto/rand";_fd "encoding/hex";_c "errors";_ag "fmt";_dgd "github.com/unidoc/unipdf/v3/common";_abf "github.com/unidoc/unipdf/v3/core/security";
_af "github.com/unidoc/unipdf/v3/core/security/crypt";_ac "github.com/unidoc/unipdf/v3/internal/ccittfax";_fg "github.com/unidoc/unipdf/v3/internal/imageutil";_dgf "github.com/unidoc/unipdf/v3/internal/jbig2";_bf "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";
_bae "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";_fa "github.com/unidoc/unipdf/v3/internal/jbig2/document";_ba "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_bb "github.com/unidoc/unipdf/v3/internal/strutils";_fbe "golang.org/x/image/tiff/lzw";
_cfb "golang.org/x/xerrors";_ab "image";_d "image/color";_f "image/jpeg";_dd "io";_a "reflect";_eg "regexp";_g "sort";_cf "strconv";_fbb "strings";_b "sync";_cfc "time";);

// 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 ;};

// 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 ;};

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

// GetObjectNums returns a sorted list of object numbers of the PDF objects in the file.
func (_fefg *PdfParser )GetObjectNums ()[]int {var _abdg []int ;for _ ,_fefec :=range _fefg ._adfbf .ObjectMap {_abdg =append (_abdg ,_fefec .ObjectNumber );};_g .Ints (_abdg );return _abdg ;};

// MakeArrayFromIntegers64 creates an PdfObjectArray from a slice of int64s, where each array element
// is an PdfObjectInteger.
func MakeArrayFromIntegers64 (vals []int64 )*PdfObjectArray {_aade :=MakeArray ();for _ ,_fdag :=range vals {_aade .Append (MakeInteger (_fdag ));};return _aade ;};func _aea (_bcfg int )cryptFilters {return cryptFilters {_gcbb :_af .NewFilterV2 (_bcfg )}};


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

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

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_eeg Version ;_agd _dd .ReadSeeker ;_abggd *_ae .Reader ;_beeb int64 ;_adfbf XrefTable ;_gfbf int64 ;_agbb *xrefType ;_caed objectStreams ;_adagf *PdfObjectDictionary ;_bdeg *PdfCrypt ;_dcdd bool ;ObjCache objectCache ;_cadgc map[int ]bool ;
_ecd map[int64 ]bool ;};

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

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

// LookupByReference looks up a PdfObject by a reference.
func (_fca *PdfParser )LookupByReference (ref PdfObjectReference )(PdfObject ,error ){_dgd .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 _fca .LookupByNumber (int (ref .ObjectNumber ));
};func (_cagc *PdfParser )readTextLine ()(string ,error ){var _ecdf _ga .Buffer ;for {_abge ,_egaaf :=_cagc ._abggd .Peek (1);if _egaaf !=nil {_dgd .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_egaaf .Error ());return _ecdf .String (),_egaaf ;
};if (_abge [0]!='\r')&&(_abge [0]!='\n'){_addd ,_ :=_cagc ._abggd .ReadByte ();_ecdf .WriteByte (_addd );}else {break ;};};return _ecdf .String (),nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set and the DecodeParms.
func (_abab *FlateEncoder )MakeStreamDict ()*PdfObjectDictionary {_bdcg :=MakeDict ();_bdcg .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_abab .GetFilterName ()));_bdcfb :=_abab .MakeDecodeParams ();if _bdcfb !=nil {_bdcg .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_bdcfb );
};return _bdcg ;};func (_bca *PdfParser )lookupByNumberWrapper (_gfc int ,_gab bool )(PdfObject ,bool ,error ){_fgfb ,_fba ,_gfd :=_bca .lookupByNumber (_gfc ,_gab );if _gfd !=nil {return nil ,_fba ,_gfd ;};if !_fba &&_bca ._bdeg !=nil &&!_bca ._bdeg .isDecrypted (_fgfb ){_ge :=_bca ._bdeg .Decrypt (_fgfb ,0,0);
if _ge !=nil {return nil ,_fba ,_ge ;};};return _fgfb ,_fba ,nil ;};type encryptDict struct{Filter string ;V int ;SubFilter string ;Length int ;StmF string ;StrF string ;EFF string ;CF map[string ]_af .FilterDict ;};

// UpdateParams updates the parameter values of the encoder.
func (_ceda *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _geegc ,_agaag :=GetNumberAsInt64 (params .Get ("\u004b"));_agaag ==nil {_ceda .K =int (_geegc );};if _bebc ,_gabf :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_gabf ==nil {_ceda .Columns =int (_bebc );}else if _bebc ,_gabf =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_gabf ==nil {_ceda .Columns =int (_bebc );};if _abfb ,_febc :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_febc ==nil {_ceda .BlackIs1 =_abfb > 0;}else {if _ffcb ,_ffcc :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_ffcc {_ceda .BlackIs1 =_ffcb ;}else {if _acfa ,_gbaa :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_gbaa {_bdb ,_adcg :=_acfa .ToIntegerArray ();if _adcg ==nil {_ceda .BlackIs1 =_bdb [0]==1&&_bdb [1]==0;};};};};if _efc ,_dab :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_dab ==nil {_ceda .EncodedByteAlign =_efc > 0;
}else {if _bfbcd ,_eedfd :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_eedfd {_ceda .EncodedByteAlign =_bfbcd ;};};if _geec ,_fgbed :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_fgbed ==nil {_ceda .EndOfLine =_geec > 0;}else {if _afdgg ,_daffc :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_daffc {_ceda .EndOfLine =_afdgg ;};};if _bfdf ,_ccag :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));
_ccag ==nil {_ceda .Rows =int (_bfdf );}else if _bfdf ,_ccag =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_ccag ==nil {_ceda .Rows =int (_bfdf );};if _ccae ,_gaee :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_gaee ==nil {_ceda .EndOfBlock =_ccae > 0;}else {if _gcga ,_eebg :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_eebg {_ceda .EndOfBlock =_gcga ;};};if _acgbf ,_bbee :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_bbee !=nil {_ceda .DamagedRowsBeforeError =int (_acgbf );};};

// 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 )(_ebdfb *PdfObjectStream ,_fgfd bool ){obj =ResolveReference (obj );_ebdfb ,_fgfd =obj .(*PdfObjectStream );return _ebdfb ,_fgfd ;};

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

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

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

// DCTEncoder provides a DCT (JPG) encoding/decoding functionality for images.
type DCTEncoder struct{ColorComponents int ;BitsPerComponent int ;Width int ;Height int ;Quality int ;};func _efea (_aebb *PdfObjectStream ,_dacd *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;};

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

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

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

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

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

// Remove removes an element specified by key.
func (_gfdfb *PdfObjectDictionary )Remove (key PdfObjectName ){_cdgeg :=-1;for _fcbe ,_cfcag :=range _gfdfb ._ecde {if _cfcag ==key {_cdgeg =_fcbe ;break ;};};if _cdgeg >=0{_gfdfb ._ecde =append (_gfdfb ._ecde [:_cdgeg ],_gfdfb ._ecde [_cdgeg +1:]...);
delete (_gfdfb ._cfdf ,key );};};

// 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 (_ecbfe *PdfObjectString )Str ()string {return _ecbfe ._bagfd };func (_gcbea *PdfParser )parseXrefStream (_cedf *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _cedf !=nil {_dgd .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",_cedf );
_gcbea ._agd .Seek (int64 (*_cedf ),_dd .SeekStart );_gcbea ._abggd =_ae .NewReader (_gcbea ._agd );};_cadff :=_gcbea .GetFileOffset ();_gecfg ,_gdfg :=_gcbea .ParseIndirectObject ();if _gdfg !=nil {_dgd .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 ,_c .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");};_dgd .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_gecfg );
_dgcf ,_gfff :=_gecfg .(*PdfObjectStream );if !_gfff {_dgd .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 ,_c .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");};_bbed :=_dgcf .PdfObjectDictionary ;
_cgcb ,_gfff :=_dgcf .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_gfff {_dgd .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 ,_c .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 (*_cgcb )> 8388607{_dgd .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",*_cgcb );
return nil ,_c .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ebfb :=_dgcf .PdfObjectDictionary .Get ("\u0057");_gefb ,_gfff :=_ebfb .(*PdfObjectArray );if !_gfff {return nil ,_c .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_cded :=_gefb .Len ();if _cded !=3{_dgd .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",_cded );
return nil ,_c .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 _gge []int64 ;for _fcacc :=0;_fcacc < 3;
_fcacc ++{_eebc ,_cced :=GetInt (_gefb .Get (_fcacc ));if !_cced {return nil ,_c .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_gge =append (_gge ,int64 (*_eebc ));};_bcdda ,_gdfg :=DecodeStream (_dgcf );
if _gdfg !=nil {_dgd .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",_gdfg );return nil ,_gdfg ;};_aag :=int (_gge [0]);
_fccf :=int (_gge [0]+_gge [1]);_bebgg :=int (_gge [0]+_gge [1]+_gge [2]);_aaeb :=int (_gge [0]+_gge [1]+_gge [2]);if _aag < 0||_fccf < 0||_bebgg < 0{_dgd .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",_aag ,_fccf ,_bebgg );
return nil ,_c .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _aaeb ==0{_dgd .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 _bbed ,nil ;};_baefd :=len (_bcdda )/_aaeb ;_gebc :=0;_fggfc :=_dgcf .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _gbeab []int ;if _fggfc !=nil {_dgd .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_fggfc );_eecc ,_ddgc :=_fggfc .(*PdfObjectArray );
if !_ddgc {_dgd .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 ,_c .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _eecc .Len ()%2!=0{_dgd .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 ,_c .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_gebc =0;_ebaf ,_feaf :=_eecc .ToIntegerArray ();if _feaf !=nil {_dgd .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",_feaf );
return nil ,_feaf ;};for _bgdbb :=0;_bgdbb < len (_ebaf );_bgdbb +=2{_bcgf :=_ebaf [_bgdbb ];_afe :=_ebaf [_bgdbb +1];for _ccbg :=0;_ccbg < _afe ;_ccbg ++{_gbeab =append (_gbeab ,_bcgf +_ccbg );};_gebc +=_afe ;};}else {for _aefa :=0;_aefa < int (*_cgcb );
_aefa ++{_gbeab =append (_gbeab ,_aefa );};_gebc =int (*_cgcb );};if _baefd ==_gebc +1{_dgd .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");
_deea :=_gebc -1;for _ ,_gbbb :=range _gbeab {if _gbbb > _deea {_deea =_gbbb ;};};_gbeab =append (_gbeab ,_deea +1);_gebc ++;};if _baefd !=len (_gbeab ){_dgd .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",_baefd ,len (_gbeab ));
return nil ,_c .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");};_dgd .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_gebc );
_dgd .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_gbeab );_fcgc :=func (_ebfab []byte )int64 {var _ddda int64 ;for _bfbg :=0;_bfbg < len (_ebfab );_bfbg ++{_ddda +=int64 (_ebfab [_bfbg ])*(1<<uint (8*(len (_ebfab )-_bfbg -1)));
};return _ddda ;};_dgd .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_bcdda ));_aefd :=0;for _ecgaa :=0;_ecgaa < len (_bcdda );_ecgaa +=_aaeb {_dega :=_ccbgb (len (_bcdda ),_ecgaa ,_ecgaa +_aag );
if _dega !=nil {_dgd .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_dega );return nil ,_dega ;};_ccdf :=_bcdda [_ecgaa :_ecgaa +_aag ];_dega =_ccbgb (len (_bcdda ),_ecgaa +_aag ,_ecgaa +_fccf );
if _dega !=nil {_dgd .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_dega );return nil ,_dega ;};_aeff :=_bcdda [_ecgaa +_aag :_ecgaa +_fccf ];_dega =_ccbgb (len (_bcdda ),_ecgaa +_fccf ,_ecgaa +_bebgg );
if _dega !=nil {_dgd .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_dega );return nil ,_dega ;};_eabfe :=_bcdda [_ecgaa +_fccf :_ecgaa +_bebgg ];_fcag :=_fcgc (_ccdf );
_bgde :=_fcgc (_aeff );_bagfc :=_fcgc (_eabfe );if _gge [0]==0{_fcag =1;};if _aefd >=len (_gbeab ){_dgd .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 ;};_fbfc :=_gbeab [_aefd ];_aefd ++;_dgd .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_fbfc ,_ccdf );_dgd .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_fbfc ,_aeff );_dgd .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_fbfc ,_eabfe );
_dgd .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_fbfc ,_fcag ,_bgde ,_bagfc );if _fcag ==0{_dgd .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 _fcag ==1{_dgd .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",_aeff );if _bgde ==_cadff {_dgd .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",_fbfc ,_dgcf .ObjectNumber );
_fbfc =int (_dgcf .ObjectNumber );};if _ebdg ,_efga :=_gcbea ._adfbf .ObjectMap [_fbfc ];!_efga ||int (_bagfc )> _ebdg .Generation {_cfag :=XrefObject {ObjectNumber :_fbfc ,XType :XrefTypeTableEntry ,Offset :_bgde ,Generation :int (_bagfc )};_gcbea ._adfbf .ObjectMap [_fbfc ]=_cfag ;
};}else if _fcag ==2{_dgd .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 _ ,_decc :=_gcbea ._adfbf .ObjectMap [_fbfc ];!_decc {_gada :=XrefObject {ObjectNumber :_fbfc ,XType :XrefTypeObjectStream ,OsObjNumber :int (_bgde ),OsObjIndex :int (_bagfc )};
_gcbea ._adfbf .ObjectMap [_fbfc ]=_gada ;_dgd .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_gada );};}else {_dgd .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 _gcbea ._agbb ==nil {_abfbg :=XrefTypeObjectStream ;_gcbea ._agbb =&_abfbg ;};return _bbed ,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 (_cea *PdfObjectArray )ToFloat64Array ()([]float64 ,error ){var _gefe []float64 ;for _ ,_acef :=range _cea .Elements (){switch _ddabc :=_acef .(type ){case *PdfObjectInteger :_gefe =append (_gefe ,float64 (*_ddabc ));case *PdfObjectFloat :_gefe =append (_gefe ,float64 (*_ddabc ));
default:return nil ,ErrTypeError ;};};return _gefe ,nil ;};

// GetTrailer returns the PDFs trailer dictionary. The trailer dictionary is typically the starting point for a PDF,
// referencing other key objects that are important in the document structure.
func (_ebcc *PdfParser )GetTrailer ()*PdfObjectDictionary {return _ebcc ._adagf };

// 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 (_bbab *PdfObjectArray )ToIntegerArray ()([]int ,error ){var _eddf []int ;for _ ,_cegg :=range _bbab .Elements (){if _dcce ,_eaeb :=_cegg .(*PdfObjectInteger );_eaeb {_eddf =append (_eddf ,int (*_dcce ));}else {return nil ,ErrTypeError ;};};return _eddf ,nil ;
};

// 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 _ab .Image ,bwThreshold float64 )(*JBIG2Image ,error ){const _fgdg ="\u0047\u006f\u0049\u006d\u0061\u0067\u0065\u0054\u006fJ\u0042\u0049\u0047\u0032";if i ==nil {return nil ,_ba .Error (_fgdg ,"i\u006d\u0061\u0067\u0065 '\u0069'\u0020\u006e\u006f\u0074\u0020d\u0065\u0066\u0069\u006e\u0065\u0064");
};var (_fcde uint8 ;_bcba _fg .Image ;_gege error ;);if bwThreshold ==JB2ImageAutoThreshold {_bcba ,_gege =_fg .MonochromeConverter .Convert (i );}else if bwThreshold > 1.0||bwThreshold < 0.0{return nil ,_ba .Error (_fgdg ,"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 {_fcde =uint8 (255*bwThreshold );_bcba ,_gege =_fg .MonochromeThresholdConverter (_fcde ).Convert (i );};if _gege !=nil {return nil ,_gege ;};return _efdg (_bcba ),nil ;};type offsetReader struct{_ccbag _dd .ReadSeeker ;_fdce int64 ;};

// 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 ){_gfcc :=&PdfCrypt {_bbg :false ,_fbg :make (map[PdfObject ]bool ),_eedf :make (map[PdfObject ]bool ),_eea :make (map[int ]struct{}),_adaa :parser };_cbd ,_fad :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_fad {_dgd .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 _gfcc ,_c .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 *_cbd !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_dgd .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",*_cbd );
return _gfcc ,_c .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_gfcc ._eed .Filter =string (*_cbd );if _eead ,_bdcf :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_bdcf {_gfcc ._eed .SubFilter =_eead .Str ();
_dgd .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_eead );};if L ,_cbg :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_cbg {if (*L %8)!=0{_dgd .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 _gfcc ,_c .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_gfcc ._eed .Length =int (*L );}else {_gfcc ._eed .Length =40;};_gfcc ._eed .V =0;if _gff ,_ged :=ed .Get ("\u0056").(*PdfObjectInteger );
_ged {V :=int (*_gff );_gfcc ._eed .V =V ;if V >=1&&V <=2{_gfcc ._bdc =_aea (_gfcc ._eed .Length );}else if V >=4&&V <=5{if _eca :=_gfcc .loadCryptFilters (ed );_eca !=nil {return _gfcc ,_eca ;};}else {_dgd .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 _gfcc ,_c .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _bebf :=_dbfc (&_gfcc ._fdg ,ed );_bebf !=nil {return _gfcc ,_bebf ;};_ffaa :="";if _gffg ,_bda :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_bda &&_gffg .Len ()>=1{_ccdd ,_ffcff :=GetString (_gffg .Get (0));if !_ffcff {return _gfcc ,_c .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_ffaa =_ccdd .Str ();}else {_dgd .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");
};_gfcc ._cbc =_ffaa ;return _gfcc ,nil ;};

// XrefTable represents the cross references in a PDF, i.e. the table of objects and information
// where to access within the PDF file.
type XrefTable struct{ObjectMap map[int ]XrefObject ;_ea []XrefObject ;};

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

// PdfObjectStream represents the primitive PDF Object stream.
type PdfObjectStream struct{PdfObjectReference ;*PdfObjectDictionary ;Stream []byte ;};func _bega (_fcee *PdfObjectStream ,_cec *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _fbea ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";
_gcac :=NewJBIG2Encoder ();_bdf :=_fcee .PdfObjectDictionary ;if _bdf ==nil {return _gcac ,nil ;};if _cec ==nil {_fegbg :=_bdf .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _fegbg !=nil {switch _fddb :=_fegbg .(type ){case *PdfObjectDictionary :_cec =_fddb ;
case *PdfObjectArray :if _fddb .Len ()==1{if _adbea ,_gagb :=GetDict (_fddb .Get (0));_gagb {_cec =_adbea ;};};default:_dgd .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",_fegbg );
return nil ,_ba .Errorf (_fbea ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_fddb );};};};if _cec ==nil {return _gcac ,nil ;};_gcac .UpdateParams (_cec );
_ggce ,_eagg :=GetStream (_cec .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_eagg {return _gcac ,nil ;};var _deee error ;_gcac .Globals ,_deee =_dgf .DecodeGlobals (_ggce .Stream );if _deee !=nil {_deee =_ba .Wrap (_deee ,_fbea ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_dgd .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_deee );return nil ,_deee ;};return _gcac ,nil ;};

// Bytes returns the PdfObjectString content as a []byte array.
func (_ddcc *PdfObjectString )Bytes ()[]byte {return []byte (_ddcc ._bagfd )};func (_cfdgf *PdfParser )parseArray ()(*PdfObjectArray ,error ){_gdbbe :=MakeArray ();_cfdgf ._abggd .ReadByte ();for {_cfdgf .skipSpaces ();_fdgaf ,_cafa :=_cfdgf ._abggd .Peek (1);
if _cafa !=nil {return _gdbbe ,_cafa ;};if _fdgaf [0]==']'{_cfdgf ._abggd .ReadByte ();break ;};_dfegd ,_cafa :=_cfdgf .parseObject ();if _cafa !=nil {return _gdbbe ,_cafa ;};_gdbbe .Append (_dfegd );};return _gdbbe ,nil ;};func (_bdgga *PdfParser )parseName ()(PdfObjectName ,error ){var _efed _ga .Buffer ;
_dcbg :=false ;for {_dccg ,_fgccf :=_bdgga ._abggd .Peek (1);if _fgccf ==_dd .EOF {break ;};if _fgccf !=nil {return PdfObjectName (_efed .String ()),_fgccf ;};if !_dcbg {if _dccg [0]=='/'{_dcbg =true ;_bdgga ._abggd .ReadByte ();}else if _dccg [0]=='%'{_bdgga .readComment ();
_bdgga .skipSpaces ();}else {_dgd .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",_dccg ,_dccg );return PdfObjectName (_efed .String ()),_ag .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_dccg [0]);
};}else {if IsWhiteSpace (_dccg [0]){break ;}else if (_dccg [0]=='/')||(_dccg [0]=='[')||(_dccg [0]=='(')||(_dccg [0]==']')||(_dccg [0]=='<')||(_dccg [0]=='>'){break ;}else if _dccg [0]=='#'{_eddcd ,_cggg :=_bdgga ._abggd .Peek (3);if _cggg !=nil {return PdfObjectName (_efed .String ()),_cggg ;
};_dagc ,_cggg :=_fd .DecodeString (string (_eddcd [1:3]));if _cggg !=nil {_dgd .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");
_efed .WriteByte ('#');_bdgga ._abggd .Discard (1);continue ;};_bdgga ._abggd .Discard (3);_efed .Write (_dagc );}else {_gcgf ,_ :=_bdgga ._abggd .ReadByte ();_efed .WriteByte (_gcgf );};};};return PdfObjectName (_efed .String ()),nil ;};

// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_fggf *PdfCrypt )GetAccessPermissions ()_abf .Permissions {return _fggf ._fdg .P };const JB2ImageAutoThreshold =-1.0;

// 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 )(_ggca *PdfObjectName ,_fdbb bool ){_ggca ,_fdbb =TraceToDirectObject (obj ).(*PdfObjectName );return _ggca ,_fdbb ;};

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

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

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

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

// 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 {_bfcc :=PdfObjectString {_bagfd :s };return &_bfcc };

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

// MultiEncoder supports serial encoding.
type MultiEncoder struct{_bcag []StreamEncoder };type xrefType int ;var _bfbcb =_eg .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");

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

// 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 )(_gadea *PdfIndirectObject ,_accf bool ){obj =ResolveReference (obj );_gadea ,_accf =obj .(*PdfIndirectObject );return _gadea ,_accf ;};

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

// 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 )(_fdbc string ,_edc bool ){_fafb ,_edc :=TraceToDirectObject (obj ).(*PdfObjectName );if _edc {return string (*_fafb ),true ;};return ;};

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

// SetFileOffset sets the file to an offset position and resets buffer.
func (_gfegf *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_gfegf ._agd .Seek (offset ,_dd .SeekStart );_gfegf ._abggd =_ae .NewReader (_gfegf ._agd );};

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

// MakeInteger creates a PdfObjectInteger from an int64.
func MakeInteger (val int64 )*PdfObjectInteger {_fddc :=PdfObjectInteger (val );return &_fddc };var _dbac =_eg .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_eedc *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_agbd :=MakeDict ();_agbd .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_eedc .GetFilterArray ());for _ ,_ebgfb :=range _eedc ._bcag {_fbdfa :=_ebgfb .MakeStreamDict ();for _ ,_gcca :=range _fbdfa .Keys (){_gbb :=_fbdfa .Get (_gcca );
if _gcca !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_gcca !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_agbd .Set (_gcca ,_gbb );};};};_cage :=_eedc .MakeDecodeParams ();if _cage !=nil {_agbd .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_cage );
};return _agbd ;};

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

// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_fdcb *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _ddbb _ga .Buffer ;_bbaa :=_ga .NewReader (encoded );var _bbbe _dd .ReadCloser ;if _fdcb .EarlyChange ==1{_bbbe =_fbe .NewReader (_bbaa ,_fbe .MSB ,8);}else {_bbbe =_cfe .NewReader (_bbaa ,_cfe .MSB ,8);
};defer _bbbe .Close ();if _ ,_fbfg :=_ddbb .ReadFrom (_bbbe );_fbfg !=nil {if _fbfg !=_dd .ErrUnexpectedEOF ||_ddbb .Len ()==0{return nil ,_fbfg ;};_dgd .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",_fbfg );
};return _ddbb .Bytes (),nil ;};

// MakeDictMap creates a PdfObjectDictionary initialized from a map of keys to values.
func MakeDictMap (objmap map[string ]PdfObject )*PdfObjectDictionary {_gbgba :=MakeDict ();return _gbgba .Update (objmap );};func (_cacea *PdfParser )skipComments ()error {if _ ,_baef :=_cacea .skipSpaces ();_baef !=nil {return _baef ;};_fabb :=true ;for {_fccc ,_badb :=_cacea ._abggd .Peek (1);
if _badb !=nil {_dgd .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_badb .Error ());return _badb ;};if _fabb &&_fccc [0]!='%'{return nil ;};_fabb =false ;if (_fccc [0]!='\r')&&(_fccc [0]!='\n'){_cacea ._abggd .ReadByte ();}else {break ;
};};return _cacea .skipComments ();};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set.  Some other parameters are generated elsewhere.
func (_ffca *DCTEncoder )MakeStreamDict ()*PdfObjectDictionary {_gcea :=MakeDict ();_gcea .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_ffca .GetFilterName ()));return _gcea ;};const (_dfef =0;_adc =1;_eedg =2;_agb =3;_eef =4;);

// GetStringBytes is like GetStringVal except that it returns the string as a []byte.
// It is for convenience.
func GetStringBytes (obj PdfObject )(_bfea []byte ,_abgd bool ){_cfga ,_abgd :=TraceToDirectObject (obj ).(*PdfObjectString );if _abgd {return _cfga .Bytes (),true ;};return ;};var _agad =_eg .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");


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

// DecodeBytes decodes the CCITTFax encoded image data.
func (_cega *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_dbg :=&_ac .Encoder {K :_cega .K ,Columns :_cega .Columns ,EndOfLine :_cega .EndOfLine ,EndOfBlock :_cega .EndOfBlock ,BlackIs1 :_cega .BlackIs1 ,DamagedRowsBeforeError :_cega .DamagedRowsBeforeError ,Rows :_cega .Rows ,EncodedByteAlign :_cega .EncodedByteAlign };
_gecb ,_afb :=_dbg .Decode (encoded );if _afb !=nil {return nil ,_afb ;};var _dbfd []byte ;_eecf :=0;var _adff byte ;var _egge byte ;for _dacb :=range _gecb {if _adff !=0{_dbfd =append (_dbfd ,_egge );_egge =0;_eecf ++;_adff =0;};for _aedf :=range _gecb [_dacb ]{_egge |=_gecb [_dacb ][_aedf ]<<(7-_adff );
_adff ++;if _adff ==8{_dbfd =append (_dbfd ,_egge );_egge =0;_eecf ++;_adff =0;};};};if _adff > 0{_dbfd =append (_dbfd ,_egge );};return _dbfd ,nil ;};

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

// GetFilterName returns the name of the encoding filter.
func (_cff *CCITTFaxEncoder )GetFilterName ()string {return StreamEncodingFilterNameCCITTFax };func (_fgea *PdfCrypt )decryptBytes (_dbae []byte ,_bdaf string ,_gae []byte )([]byte ,error ){_dgd .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_adf ,_fbd :=_fgea ._bdc [_bdaf ];if !_fbd {return nil ,_ag .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_bdaf );};return _adf .DecryptBytes (_dbae ,_gae );};

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

// 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 )(_dbfb *PdfObjectFloat ,_caceb bool ){_dbfb ,_caceb =TraceToDirectObject (obj ).(*PdfObjectFloat );return _dbfb ,_caceb ;};

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

// Update updates multiple keys and returns the dictionary back so can be used in a chained fashion.
func (_bafe *PdfObjectDictionary )Update (objmap map[string ]PdfObject )*PdfObjectDictionary {for _egac ,_afdgc :=range objmap {_bafe .Set (PdfObjectName (_egac ),_afdgc );};return _bafe ;};func _gfg (_ffcf _af .Filter ,_bce _abf .AuthEvent )*PdfObjectDictionary {if _bce ==""{_bce =_abf .EventDocOpen ;
};_ccfd :=MakeDict ();_ccfd .Set ("\u0054\u0079\u0070\u0065",MakeName ("C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"));_ccfd .Set ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et",MakeName (string (_bce )));_ccfd .Set ("\u0043\u0046\u004d",MakeName (_ffcf .Name ()));
_ccfd .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_ffcf .KeyLength ())));return _ccfd ;};

// WriteString outputs the object as it is to be written to file.
func (_gbdg *PdfObjectReference )WriteString ()string {var _agefd _fbb .Builder ;_agefd .WriteString (_cf .FormatInt (_gbdg .ObjectNumber ,10));_agefd .WriteString ("\u0020");_agefd .WriteString (_cf .FormatInt (_gbdg .GenerationNumber ,10));_agefd .WriteString ("\u0020\u0052");
return _agefd .String ();};func _aeaa (_cgafd *PdfObjectDictionary )(_fcff *_fg .ImageBase ){var (_fddcg *PdfObjectInteger ;_gbgfc bool ;);if _fddcg ,_gbgfc =_cgafd .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );_gbgfc {_fcff =&_fg .ImageBase {Width :int (*_fddcg )};
}else {return nil ;};if _fddcg ,_gbgfc =_cgafd .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );_gbgfc {_fcff .Height =int (*_fddcg );};if _fddcg ,_gbgfc =_cgafd .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );
_gbgfc {_fcff .BitsPerComponent =int (*_fddcg );};if _fddcg ,_gbgfc =_cgafd .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );_gbgfc {_fcff .ColorComponents =int (*_fddcg );};return _fcff ;};


// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_dfgg *FlateEncoder )MakeDecodeParams ()PdfObject {if _dfgg .Predictor > 1{_ffgd :=MakeDict ();_ffgd .Set ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr",MakeInteger (int64 (_dfgg .Predictor )));if _dfgg .BitsPerComponent !=8{_ffgd .Set ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074",MakeInteger (int64 (_dfgg .BitsPerComponent )));
};if _dfgg .Columns !=1{_ffgd .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_dfgg .Columns )));};if _dfgg .Colors !=1{_ffgd .Set ("\u0043\u006f\u006c\u006f\u0072\u0073",MakeInteger (int64 (_dfgg .Colors )));};return _ffgd ;};return nil ;
};func (_eeef *PdfParser )parsePdfVersion ()(int ,int ,error ){var _efeb int64 =20;_cgabd :=make ([]byte ,_efeb );_eeef ._agd .Seek (0,_dd .SeekStart );_eeef ._agd .Read (_cgabd );var _afgc error ;var _fggg ,_gbdc int ;if _adbc :=_efaab .FindStringSubmatch (string (_cgabd ));
len (_adbc )< 3{if _fggg ,_gbdc ,_afgc =_eeef .seekPdfVersionTopDown ();_afgc !=nil {_dgd .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,_afgc ;};_eeef ._agd ,_afgc =_ggcdg (_eeef ._agd ,_eeef .GetFileOffset ()-8);if _afgc !=nil {return 0,0,_afgc ;};}else {if _fggg ,_afgc =_cf .Atoi (_adbc [1]);_afgc !=nil {return 0,0,_afgc ;};if _gbdc ,_afgc =_cf .Atoi (_adbc [2]);_afgc !=nil {return 0,0,_afgc ;
};_eeef .SetFileOffset (0);};_eeef ._abggd =_ae .NewReader (_eeef ._agd );_dgd .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_fggg ,_gbdc );return _fggg ,_gbdc ,nil ;};

// String returns a string describing `stream`.
func (_eacda *PdfObjectStream )String ()string {return _ag .Sprintf ("O\u0062j\u0065\u0063\u0074\u0020\u0073\u0074\u0072\u0065a\u006d\u0020\u0025\u0064: \u0025\u0073",_eacda .ObjectNumber ,_eacda .PdfObjectDictionary );};func (_baab *PdfParser )seekToEOFMarker (_gcgc int64 )error {var _aac int64 ;
var _bdea int64 =2048;for _aac < _gcgc -4{if _gcgc <=(_bdea +_aac ){_bdea =_gcgc -_aac ;};_ ,_eada :=_baab ._agd .Seek (-_aac -_bdea ,_dd .SeekEnd );if _eada !=nil {return _eada ;};_cfbe :=make ([]byte ,_bdea );_baab ._agd .Read (_cfbe );_dgd .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 (_cfbe ));
_abad :=_dbac .FindAllStringIndex (string (_cfbe ),-1);if _abad !=nil {_aabb :=_abad [len (_abad )-1];_dgd .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_abad );_baab ._agd .Seek (-_aac -_bdea +int64 (_aabb [0]),_dd .SeekEnd );return nil ;
};_dgd .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");
_aac +=_bdea -4;};_dgd .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 _c .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};

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

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

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_cca *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_ccded :=_ga .NewReader (encoded );var _dgdc []byte ;for {_geag ,_eeab :=_ccded .ReadByte ();if _eeab !=nil {return nil ,_eeab ;};if _geag =='>'{break ;};if IsWhiteSpace (_geag ){continue ;
};if (_geag >='a'&&_geag <='f')||(_geag >='A'&&_geag <='F')||(_geag >='0'&&_geag <='9'){_dgdc =append (_dgdc ,_geag );}else {_dgd .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",_geag );
return nil ,_ag .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",_geag );};};if len (_dgdc )%2==1{_dgdc =append (_dgdc ,'0');
};_dgd .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_dgdc );_bcgg :=make ([]byte ,_fd .DecodedLen (len (_dgdc )));_ ,_ccfb :=_fd .Decode (_bcgg ,_dgdc );if _ccfb !=nil {return nil ,_ccfb ;};return _bcgg ,nil ;};

// NewParser creates a new parser for a PDF file via ReadSeeker. Loads the cross reference stream and trailer.
// An error is returned on failure.
func NewParser (rs _dd .ReadSeeker )(*PdfParser ,error ){_ecdg :=&PdfParser {_agd :rs ,ObjCache :make (objectCache ),_ecd :map[int64 ]bool {}};_bbca ,_bdbc ,_ebda :=_ecdg .parsePdfVersion ();if _ebda !=nil {_dgd .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",_ebda );
return nil ,_ebda ;};_ecdg ._eeg .Major =_bbca ;_ecdg ._eeg .Minor =_bdbc ;if _ecdg ._adagf ,_ebda =_ecdg .loadXrefs ();_ebda !=nil {_dgd .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",_ebda );
return nil ,_ebda ;};_dgd .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_ecdg ._adagf );if len (_ecdg ._adfbf .ObjectMap )==0{return nil ,_ag .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 _ecdg ,nil ;};

// PdfObjectNull represents the primitive PDF null object.
type PdfObjectNull struct{};func (_ffbe *PdfParser )repairLocateXref ()(int64 ,error ){_baagg :=int64 (1000);_ffbe ._agd .Seek (-_baagg ,_dd .SeekCurrent );_bdbbe ,_fcaa :=_ffbe ._agd .Seek (0,_dd .SeekCurrent );if _fcaa !=nil {return 0,_fcaa ;};_gfec :=make ([]byte ,_baagg );
_ffbe ._agd .Read (_gfec );_feda :=_fefb .FindAllStringIndex (string (_gfec ),-1);if len (_feda )< 1{_dgd .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,_c .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");};_eegc :=int64 (_feda [len (_feda )-1][0]);_bacgb :=_bdbbe +_eegc ;return _bacgb ,nil ;};

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

// NewCCITTFaxEncoder makes a new CCITTFax encoder.
func NewCCITTFaxEncoder ()*CCITTFaxEncoder {return &CCITTFaxEncoder {Columns :1728,EndOfBlock :true }};func (_beaf *PdfObjectInteger )String ()string {return _ag .Sprintf ("\u0025\u0064",*_beaf )};

// String returns a string representation of `name`.
func (_ebde *PdfObjectName )String ()string {return string (*_ebde )};func _cfbf (_bcc *_abf .StdEncryptDict ,_bbb *PdfObjectDictionary ){_bbb .Set ("\u0052",MakeInteger (int64 (_bcc .R )));_bbb .Set ("\u0050",MakeInteger (int64 (_bcc .P )));_bbb .Set ("\u004f",MakeStringFromBytes (_bcc .O ));
_bbb .Set ("\u0055",MakeStringFromBytes (_bcc .U ));if _bcc .R >=5{_bbb .Set ("\u004f\u0045",MakeStringFromBytes (_bcc .OE ));_bbb .Set ("\u0055\u0045",MakeStringFromBytes (_bcc .UE ));_bbb .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_bcc .EncryptMetadata ));
if _bcc .R > 5{_bbb .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_bcc .Perms ));};};};

// WriteString outputs the object as it is to be written to file.
func (_ccgb *PdfObjectString )WriteString ()string {var _cbad _ga .Buffer ;if _ccgb ._fbef {_agde :=_fd .EncodeToString (_ccgb .Bytes ());_cbad .WriteString ("\u003c");_cbad .WriteString (_agde );_cbad .WriteString ("\u003e");return _cbad .String ();};
_dfab :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_cbad .WriteString ("\u0028");for _ebab :=0;_ebab < len (_ccgb ._bagfd );
_ebab ++{_efeag :=_ccgb ._bagfd [_ebab ];if _daag ,_cfac :=_dfab [_efeag ];_cfac {_cbad .WriteString (_daag );}else {_cbad .WriteByte (_efeag );};};_cbad .WriteString ("\u0029");return _cbad .String ();};const _fcdc =10;

// EncodeBytes encodes the passed in slice of bytes by passing it through the
// EncodeBytes method of the underlying encoders.
func (_fgfa *MultiEncoder )EncodeBytes (data []byte )([]byte ,error ){_bef :=data ;var _baagd error ;for _fgfg :=len (_fgfa ._bcag )-1;_fgfg >=0;_fgfg --{_abgc :=_fgfa ._bcag [_fgfg ];_bef ,_baagd =_abgc .EncodeBytes (_bef );if _baagd !=nil {return nil ,_baagd ;
};};return _bef ,nil ;};

// DecodeStream decodes a JBIG2 encoded stream and returns the result as a slice of bytes.
func (_dfeg *JBIG2Encoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _dfeg .DecodeBytes (streamObj .Stream );};func (_aega *offsetReader )Read (p []byte )(_dbfde int ,_feeg error ){return _aega ._ccbag .Read (p )};var (ErrUnsupportedEncodingParameters =_c .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 =_c .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 =_c .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 =_c .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 =_c .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_c .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_c .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_cfb .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 =_c .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);func _bea (_cbac int )int {_agc :=_cbac >>(_dacg -1);return (_cbac ^_agc )-_agc };

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

// 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 (_bgcb *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_eadf :=_ga .NewReader (encoded );var _fcac []byte ;for {_cafe ,_caee :=_eadf .ReadByte ();if _caee !=nil {return nil ,_caee ;};if _cafe > 128{_ddc ,_eefe :=_eadf .ReadByte ();
if _eefe !=nil {return nil ,_eefe ;};for _aecf :=0;_aecf < 257-int (_cafe );_aecf ++{_fcac =append (_fcac ,_ddc );};}else if _cafe < 128{for _adge :=0;_adge < int (_cafe )+1;_adge ++{_dcda ,_egfg :=_eadf .ReadByte ();if _egfg !=nil {return nil ,_egfg ;
};_fcac =append (_fcac ,_dcda );};}else {break ;};};return _fcac ,nil ;};

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

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_ffeg *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_gbe ,_gcd :=obj .(*PdfObjectReference );if !_gcd {return obj ,nil ;};_ced :=_ffeg .GetFileOffset ();defer func (){_ffeg .SetFileOffset (_ced )}();_gfe ,_bfe :=_ffeg .LookupByReference (*_gbe );
if _bfe !=nil {return nil ,_bfe ;};_adg ,_dbf :=_gfe .(*PdfIndirectObject );if !_dbf {return _gfe ,nil ;};_gfe =_adg .PdfObject ;_ ,_gcd =_gfe .(*PdfObjectReference );if _gcd {return _adg ,_c .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 _gfe ,nil ;};

// LookupByNumber looks up a PdfObject by object number.  Returns an error on failure.
func (_ee *PdfParser )LookupByNumber (objNumber int )(PdfObject ,error ){_fgg ,_ ,_dae :=_ee .lookupByNumberWrapper (objNumber ,true );return _fgg ,_dae ;};func _ggcdg (_dcdfd _dd .ReadSeeker ,_dabe int64 )(*offsetReader ,error ){_gfba :=&offsetReader {_ccbag :_dcdfd ,_fdce :_dabe };
_ ,_cdfa :=_gfba .Seek (0,_dd .SeekStart );return _gfba ,_cdfa ;};

// RunLengthEncoder represents Run length encoding.
type RunLengthEncoder struct{};func (_cfbd *PdfCrypt )isDecrypted (_cfbc PdfObject )bool {_ ,_eeb :=_cfbd ._fbg [_cfbc ];if _eeb {_dgd .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");return true ;
};switch _fded :=_cfbc .(type ){case *PdfObjectStream :if _cfbd ._fdg .R !=5{if _dgg ,_gffge :=_fded .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_gffge &&*_dgg =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_eeb =_cfbd ._eea [int (_fded .ObjectNumber )];
_eeb {return true ;};switch _bfd :=_fded .PdfObject .(type ){case *PdfObjectDictionary :_ade :=true ;for _ ,_cge :=range _fde {if _bfd .Get (_cge )==nil {_ade =false ;break ;};};if _ade {return true ;};};};_dgd .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};

// WriteString outputs the object as it is to be written to file.
func (_fcabb *PdfObjectNull )WriteString ()string {return "\u006e\u0075\u006c\u006c"};func (_bgfd *PdfParser )readComment ()(string ,error ){var _badd _ga .Buffer ;_ ,_agfc :=_bgfd .skipSpaces ();if _agfc !=nil {return _badd .String (),_agfc ;};_bgeg :=true ;
for {_bfdg ,_eege :=_bgfd ._abggd .Peek (1);if _eege !=nil {_dgd .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_eege .Error ());return _badd .String (),_eege ;};if _bgeg &&_bfdg [0]!='%'{return _badd .String (),_c .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");
};_bgeg =false ;if (_bfdg [0]!='\r')&&(_bfdg [0]!='\n'){_bggc ,_ :=_bgfd ._abggd .ReadByte ();_badd .WriteByte (_bggc );}else {break ;};};return _badd .String (),nil ;};func (_bcbad *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_dd .SeekStart {offset +=_bcbad ._fdce ;
};_ecfgc ,_baba :=_bcbad ._ccbag .Seek (offset ,whence );if _baba !=nil {return _ecfgc ,_baba ;};if whence ==_dd .SeekCurrent {_ecfgc -=_bcbad ._fdce ;};if _ecfgc < 0{return 0,_c .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 _ecfgc ,nil ;};

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _af .Filter ,userPass ,ownerPass []byte ,perm _abf .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_adag :=&PdfCrypt {_eedf :make (map[PdfObject ]bool ),_bdc :make (cryptFilters ),_fdg :_abf .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _fccb Version ;if cf !=nil {_afd :=cf .PDFVersion ();_fccb .Major ,_fccb .Minor =_afd [0],_afd [1];V ,R :=cf .HandlerVersion ();_adag ._eed .V =V ;_adag ._fdg .R =R ;_adag ._eed .Length =cf .KeyLength ()*8;};const (_fbbg =_gcbb ;);_adag ._bdc [_fbbg ]=cf ;
if _adag ._eed .V >=4{_adag ._fe =_fbbg ;_adag ._bgf =_fbbg ;};_fcf :=_adag .newEncryptDict ();_acbf :=_ff .Sum ([]byte (_cfc .Now ().Format (_cfc .RFC850 )));_dfg :=string (_acbf [:]);_edf :=make ([]byte ,100);_fb .Read (_edf );_acbf =_ff .Sum (_edf );
_dbbf :=string (_acbf [:]);_dgd .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_edf );_dgd .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_dfg );_adag ._cbc =_dfg ;
_aed :=_adag .generateParams (userPass ,ownerPass );if _aed !=nil {return nil ,nil ,_aed ;};_cfbf (&_adag ._fdg ,_fcf );if _adag ._eed .V >=4{if _fcfa :=_adag .saveCryptFilters (_fcf );_fcfa !=nil {return nil ,nil ,_fcfa ;};};return _adag ,&EncryptInfo {Version :_fccb ,Encrypt :_fcf ,ID0 :_dfg ,ID1 :_dbbf },nil ;
};

// GetFilterArray returns the names of the underlying encoding filters in an array that
// can be used as /Filter entry.
func (_badg *MultiEncoder )GetFilterArray ()*PdfObjectArray {_bfac :=make ([]PdfObject ,len (_badg ._bcag ));for _bbce ,_agac :=range _badg ._bcag {_bfac [_bbce ]=MakeName (_agac .GetFilterName ());};return MakeArray (_bfac ...);};func (_gcdf *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _gcdf ._dcdd {return nil ,_ag .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");
};_gcdf ._dcdd =true ;_gcdf ._agd .Seek (0,_dd .SeekStart );_gcdf ._abggd =_ae .NewReader (_gcdf ._agd );_cfddd :=20;_efagf :=make ([]byte ,_cfddd );_edcf :=XrefTable {};_edcf .ObjectMap =make (map[int ]XrefObject );for {_feaca ,_egfb :=_gcdf ._abggd .ReadByte ();
if _egfb !=nil {if _egfb ==_dd .EOF {break ;}else {return nil ,_egfb ;};};if _feaca =='j'&&_efagf [_cfddd -1]=='b'&&_efagf [_cfddd -2]=='o'&&IsWhiteSpace (_efagf [_cfddd -3]){_gccf :=_cfddd -4;for IsWhiteSpace (_efagf [_gccf ])&&_gccf > 0{_gccf --;};if _gccf ==0||!IsDecimalDigit (_efagf [_gccf ]){continue ;
};for IsDecimalDigit (_efagf [_gccf ])&&_gccf > 0{_gccf --;};if _gccf ==0||!IsWhiteSpace (_efagf [_gccf ]){continue ;};for IsWhiteSpace (_efagf [_gccf ])&&_gccf > 0{_gccf --;};if _gccf ==0||!IsDecimalDigit (_efagf [_gccf ]){continue ;};for IsDecimalDigit (_efagf [_gccf ])&&_gccf > 0{_gccf --;
};if _gccf ==0{continue ;};_fdgg :=_gcdf .GetFileOffset ()-int64 (_cfddd -_gccf );_gbef :=append (_efagf [_gccf +1:],_feaca );_abbe ,_cdaa ,_eagd :=_gdceb (string (_gbef ));if _eagd !=nil {_dgd .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",_eagd );
return nil ,_eagd ;};if _defc ,_bgga :=_edcf .ObjectMap [_abbe ];!_bgga ||_defc .Generation < _cdaa {_bdee :=XrefObject {};_bdee .XType =XrefTypeTableEntry ;_bdee .ObjectNumber =_abbe ;_bdee .Generation =_cdaa ;_bdee .Offset =_fdgg ;_edcf .ObjectMap [_abbe ]=_bdee ;
};};_efagf =append (_efagf [1:_cfddd ],_feaca );};_gcdf ._cadgc =nil ;return &_edcf ,nil ;};

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

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

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

// 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 ;};

// WriteString outputs the object as it is to be written to file.
func (_gdac *PdfIndirectObject )WriteString ()string {var _afce _fbb .Builder ;_afce .WriteString (_cf .FormatInt (_gdac .ObjectNumber ,10));_afce .WriteString ("\u0020\u0030\u0020\u0052");return _afce .String ();};func _dbfc (_cfd *_abf .StdEncryptDict ,_gcb *PdfObjectDictionary )error {R ,_bdg :=_gcb .Get ("\u0052").(*PdfObjectInteger );
if !_bdg {return _c .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 _ag .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0052 \u0028\u0025\u0064\u0029",*R );
};_cfd .R =int (*R );O ,_bdg :=_gcb .GetString ("\u004f");if !_bdg {return _c .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 _cfd .R ==5||_cfd .R ==6{if len (O )< 48{return _ag .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 _ag .Errorf ("L\u0065n\u0067\u0074\u0068\u0028\u004f\u0029\u0020\u0021=\u0020\u0033\u0032\u0020(%\u0064\u0029",len (O ));};_cfd .O =[]byte (O );U ,_bdg :=_gcb .GetString ("\u0055");if !_bdg {return _c .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 _cfd .R ==5||_cfd .R ==6{if len (U )< 48{return _ag .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{_dgd .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 ));
};_cfd .U =[]byte (U );if _cfd .R >=5{OE ,_adb :=_gcb .GetString ("\u004f\u0045");if !_adb {return _c .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 _ag .Errorf ("L\u0065\u006e\u0067\u0074h(\u004fE\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (OE ));};_cfd .OE =[]byte (OE );UE ,_adb :=_gcb .GetString ("\u0055\u0045");if !_adb {return _c .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 _ag .Errorf ("L\u0065\u006e\u0067\u0074h(\u0055E\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (UE ));};_cfd .UE =[]byte (UE );};P ,_bdg :=_gcb .Get ("\u0050").(*PdfObjectInteger );if !_bdg {return _c .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");
};_cfd .P =_abf .Permissions (*P );if _cfd .R ==6{Perms ,_dcf :=_gcb .GetString ("\u0050\u0065\u0072m\u0073");if !_dcf {return _c .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 _ag .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 ));};_cfd .Perms =[]byte (Perms );};if _ccde ,_dba :=_gcb .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_dba {_cfd .EncryptMetadata =bool (*_ccde );}else {_cfd .EncryptMetadata =true ;};return nil ;};

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

// 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 ;};

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

// StreamEncoder represents the interface for all PDF stream encoders.
type StreamEncoder interface{GetFilterName ()string ;MakeDecodeParams ()PdfObject ;MakeStreamDict ()*PdfObjectDictionary ;UpdateParams (_ffad *PdfObjectDictionary );EncodeBytes (_bfc []byte )([]byte ,error );DecodeBytes (_geeg []byte )([]byte ,error );
DecodeStream (_cdfc *PdfObjectStream )([]byte ,error );};func (_gef *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _bffg *PdfObjectDictionary ;_bbcef ,_gfce :=_gef .readTextLine ();if _gfce !=nil {return nil ,_gfce ;};_dgd .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_bbcef );
_daeg :=-1;_bgegf :=0;_aad :=false ;_fefdg :="";for {_gef .skipSpaces ();_ ,_gdaf :=_gef ._abggd .Peek (1);if _gdaf !=nil {return nil ,_gdaf ;};_bbcef ,_gdaf =_gef .readTextLine ();if _gdaf !=nil {return nil ,_gdaf ;};_bdba :=_ddba .FindStringSubmatch (_bbcef );
if len (_bdba )==0{_eabg :=len (_fefdg )> 0;_fefdg +=_bbcef +"\u000a";if _eabg {_bdba =_ddba .FindStringSubmatch (_fefdg );};};if len (_bdba )==3{_gbecg ,_ :=_cf .Atoi (_bdba [1]);_gbfg ,_ :=_cf .Atoi (_bdba [2]);_daeg =_gbecg ;_bgegf =_gbfg ;_aad =true ;
_fefdg ="";_dgd .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",_daeg ,_bgegf );
continue ;};_ebee :=_agad .FindStringSubmatch (_bbcef );if len (_ebee )==4{if !_aad {_dgd .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 ,_c .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_edge ,_ :=_cf .ParseInt (_ebee [1],10,64);_bgac ,_ :=_cf .Atoi (_ebee [2]);_deef :=_ebee [3];_fefdg ="";if _fbb .ToLower (_deef )=="\u006e"&&_edge > 1{_bcfc ,_baaga :=_gef ._adfbf .ObjectMap [_daeg ];if !_baaga ||_bgac > _bcfc .Generation {_bdff :=XrefObject {ObjectNumber :_daeg ,XType :XrefTypeTableEntry ,Offset :_edge ,Generation :_bgac };
_gef ._adfbf .ObjectMap [_daeg ]=_bdff ;};};_daeg ++;continue ;};if (len (_bbcef )> 6)&&(_bbcef [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_dgd .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_bbcef );
if len (_bbcef )> 9{_gegdf :=_gef .GetFileOffset ();_gef .SetFileOffset (_gegdf -int64 (len (_bbcef ))+7);};_gef .skipSpaces ();_gef .skipComments ();_dgd .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_dgd .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_bbcef );_bffg ,_gdaf =_gef .ParseDict ();_dgd .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _gdaf !=nil {_dgd .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",_gdaf );return nil ,_gdaf ;};break ;};if _bbcef =="\u0025\u0025\u0045O\u0046"{_dgd .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 ,_c .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");};_dgd .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_bbcef );
};_dgd .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 _gef ._agbb ==nil {_cfed :=XrefTypeTableEntry ;_gef ._agbb =&_cfed ;};return _bffg ,nil ;};

// String returns a string describing `d`.
func (_feacd *PdfObjectDictionary )String ()string {var _dede _fbb .Builder ;_dede .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_dgcdg :=range _feacd ._ecde {_febcf :=_feacd ._cfdf [_dgcdg ];_dede .WriteString ("\u0022"+_dgcdg .String ()+"\u0022\u003a\u0020");
_dede .WriteString (_febcf .String ());_dede .WriteString ("\u002c\u0020");};_dede .WriteString ("\u0029");return _dede .String ();};

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

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

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

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

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

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

// MakeStringFromBytes creates an PdfObjectString from a byte array.
// This is more natural than MakeString as `data` is usually not utf-8 encoded.
func MakeStringFromBytes (data []byte )*PdfObjectString {return MakeString (string (data ))};func _gdceb (_fgeec string )(int ,int ,error ){_ggcc :=_bfbcb .FindStringSubmatch (_fgeec );if len (_ggcc )< 3{return 0,0,_c .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");
};_gbgbd ,_ :=_cf .Atoi (_ggcc [1]);_fcca ,_ :=_cf .Atoi (_ggcc [2]);return _gbgbd ,_fcca ,nil ;};

// MakeBool creates a PdfObjectBool from a bool value.
func MakeBool (val bool )*PdfObjectBool {_eefb :=PdfObjectBool (val );return &_eefb };var _cdabf =_eg .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");

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

// For predictors
Columns int ;Colors int ;

// LZW algorithm setting.
EarlyChange int ;};

// 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 _fdab :=obj .(type ){case *PdfObjectFloat :_dgd .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 (*_fdab ),nil ;case *PdfObjectInteger :return int64 (*_fdab ),nil ;};return 0,ErrNotANumber ;};func _bbf (_dfa *_af .FilterDict ,_fdd *PdfObjectDictionary )error {if _ded ,_fcb :=_fdd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_fcb {if _fef :=string (*_ded );
_fef !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_dgd .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",_fef );
};};_ffa ,_abg :=_fdd .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_abg {return _ag .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");
};_dfa .CFM =string (*_ffa );if _fge ,_agf :=_fdd .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_agf {_dfa .AuthEvent =_abf .AuthEvent (*_fge );}else {_dfa .AuthEvent =_abf .EventDocOpen ;};if _bgfb ,_dafc :=_fdd .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_dafc {_dfa .Length =int (*_bgfb );};return nil ;};type cryptFilters map[string ]_af .Filter ;func _bece (_gdg *PdfObjectStream ,_eff *PdfObjectDictionary )(*LZWEncoder ,error ){_fadc :=NewLZWEncoder ();_bfa :=_gdg .PdfObjectDictionary ;if _bfa ==nil {return _fadc ,nil ;
};if _eff ==nil {_dbeg :=TraceToDirectObject (_bfa .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _dbeg !=nil {if _fgbf ,_adfe :=_dbeg .(*PdfObjectDictionary );_adfe {_eff =_fgbf ;}else if _cbcc ,_bgdg :=_dbeg .(*PdfObjectArray );
_bgdg {if _cbcc .Len ()==1{if _gace ,_becf :=GetDict (_cbcc .Get (0));_becf {_eff =_gace ;};};};if _eff ==nil {_dgd .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",_dbeg );
return nil ,_ag .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_edg :=_bfa .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _edg !=nil {_adec ,_ddg :=_edg .(*PdfObjectInteger );
if !_ddg {_dgd .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",_edg );
return nil ,_ag .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_adec !=0&&*_adec !=1{return nil ,_ag .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");
};_fadc .EarlyChange =int (*_adec );}else {_fadc .EarlyChange =1;};if _eff ==nil {return _fadc ,nil ;};if _eba ,_eee :=GetIntVal (_eff .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_eee {if _eba ==0||_eba ==1{_fadc .EarlyChange =_eba ;
}else {_dgd .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",_eba );};};_edg =_eff .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _edg !=nil {_dfd ,_dffa :=_edg .(*PdfObjectInteger );if !_dffa {_dgd .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",_edg );
return nil ,_ag .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_fadc .Predictor =int (*_dfd );};_edg =_eff .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _edg !=nil {_dafg ,_ebg :=_edg .(*PdfObjectInteger );if !_ebg {_dgd .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 ,_ag .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_fadc .BitsPerComponent =int (*_dafg );};if _fadc .Predictor > 1{_fadc .Columns =1;_edg =_eff .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _edg !=nil {_gcg ,_affa :=_edg .(*PdfObjectInteger );if !_affa {return nil ,_ag .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_fadc .Columns =int (*_gcg );
};_fadc .Colors =1;_edg =_eff .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _edg !=nil {_bgfg ,_egeb :=_edg .(*PdfObjectInteger );if !_egeb {return nil ,_ag .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");
};_fadc .Colors =int (*_bgfg );};};_dgd .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_eff .String ());return _fadc ,nil ;};

// UpdateParams updates the parameter values of the encoder.
func (_eggbg *RunLengthEncoder )UpdateParams (params *PdfObjectDictionary ){};func _gfge (_fcebc PdfObject )(*float64 ,error ){switch _eccb :=_fcebc .(type ){case *PdfObjectFloat :_gfcb :=float64 (*_eccb );return &_gfcb ,nil ;case *PdfObjectInteger :_afdca :=float64 (*_eccb );
return &_afdca ,nil ;case *PdfObjectNull :return nil ,nil ;};return nil ,ErrNotANumber ;};func (_dcd *PdfParser )lookupByNumber (_bee int ,_faf bool )(PdfObject ,bool ,error ){_aaf ,_bad :=_dcd .ObjCache [_bee ];if _bad {_dgd .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",_bee );
return _aaf ,false ,nil ;};if _dcd ._cadgc ==nil {_dcd ._cadgc =map[int ]bool {};};if _dcd ._cadgc [_bee ]{_dgd .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",_bee );
return nil ,false ,_c .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");};_dcd ._cadgc [_bee ]=true ;defer delete (_dcd ._cadgc ,_bee );
_dbd ,_bad :=_dcd ._adfbf .ObjectMap [_bee ];if !_bad {_dgd .Log .Trace ("\u0055\u006e\u0061\u0062l\u0065\u0020\u0074\u006f\u0020\u006c\u006f\u0063\u0061t\u0065\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0069\u006e\u0020\u0078\u0072\u0065\u0066\u0073\u0021 \u002d\u0020\u0052\u0065\u0074u\u0072\u006e\u0069\u006e\u0067\u0020\u006e\u0075\u006c\u006c\u0020\u006f\u0062\u006a\u0065\u0063\u0074");
var _ege PdfObjectNull ;return &_ege ,false ,nil ;};_dgd .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_bee );if _dbd .XType ==XrefTypeTableEntry {_dgd .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_dbd .ObjectNumber );
_dgd .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_dbd .Generation );_dgd .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_dbd .Offset );
_dcd ._agd .Seek (_dbd .Offset ,_dd .SeekStart );_dcd ._abggd =_ae .NewReader (_dcd ._agd );_dda ,_ffc :=_dcd .ParseIndirectObject ();if _ffc !=nil {_dgd .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",_ffc );
if _faf {_dgd .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");_geee ,_eb :=_dcd .repairRebuildXrefsTopDown ();
if _eb !=nil {_dgd .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_eb );return nil ,false ,_eb ;};_dcd ._adfbf =*_geee ;return _dcd .lookupByNumber (_bee ,false );
};return nil ,false ,_ffc ;};if _faf {_fcc ,_ ,_ :=_ace (_dda );if int (_fcc )!=_bee {_dgd .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_ddf :=_dcd .rebuildXrefTable ();
if _ddf !=nil {return nil ,false ,_ddf ;};_dcd .ObjCache =objectCache {};return _dcd .lookupByNumberWrapper (_bee ,false );};};_dgd .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_dcd .ObjCache [_bee ]=_dda ;
return _dda ,false ,nil ;}else if _dbd .XType ==XrefTypeObjectStream {_dgd .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_dgd .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_dgd .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",_dbd .OsObjNumber ,_dbd .OsObjIndex );
if _dbd .OsObjNumber ==_bee {_dgd .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 ,_c .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_aec :=_dcd ._adfbf .ObjectMap [_dbd .OsObjNumber ];_aec {_acb ,_de :=_dcd .lookupObjectViaOS (_dbd .OsObjNumber ,_bee );if _de !=nil {_dgd .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_de );
return nil ,true ,_de ;};_dgd .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_dcd .ObjCache [_bee ]=_acb ;if _dcd ._bdeg !=nil {_dcd ._bdeg ._fbg [_acb ]=true ;};return _acb ,true ,nil ;};_dgd .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 ,_c .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 ,_c .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

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

// 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 (_gddg *PdfObjectDictionary )Merge (another *PdfObjectDictionary )*PdfObjectDictionary {if another !=nil {for _ ,_bfdgb :=range another .Keys (){_bgcd :=another .Get (_bfdgb );_gddg .Set (_bfdgb ,_bgcd );};};return _gddg ;};func (_edb *PdfCrypt )makeKey (_dbca string ,_fbf ,_fdga uint32 ,_cbf []byte )([]byte ,error ){_egg ,_acg :=_edb ._bdc [_dbca ];
if !_acg {return nil ,_ag .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_dbca );};return _egg .MakeKey (_fbf ,_fdga ,_cbf );};

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

// 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 (_aecgf *PdfObjectDictionary )GetString (key PdfObjectName )(string ,bool ){_ebeg ,_gbcb :=_aecgf ._cfdf [key ].(*PdfObjectString );if !_gbcb {return "",false ;};return _ebeg .Str (),true ;};

// 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 _gcbgb (obj ,0)};

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

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

// DecodeStream decodes a JPX encoded stream and returns the result as a
// slice of bytes.
func (_dbbff *JPXEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_dgd .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",_dbbff .GetFilterName ());
return streamObj .Stream ,ErrNoJPXDecode ;};func (_baff *PdfCrypt )securityHandler ()_abf .StdHandler {if _baff ._fdg .R >=5{return _abf .NewHandlerR6 ();};return _abf .NewHandlerR4 (_baff ._cbc ,_baff ._eed .Length );};

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

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

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_dgea :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _dgea ==nil {return NewRawEncoder (),nil ;};if _ ,_cacad :=_dgea .(*PdfObjectNull );
_cacad {return NewRawEncoder (),nil ;};_aaag ,_bcca :=_dgea .(*PdfObjectName );if !_bcca {_gcgb ,_befa :=_dgea .(*PdfObjectArray );if !_befa {return nil ,_ag .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 _gcgb .Len ()==0{return NewRawEncoder (),nil ;};if _gcgb .Len ()!=1{_bfef ,_fdeda :=_abdd (streamObj );if _fdeda !=nil {_dgd .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",_fdeda );
return nil ,_fdeda ;};_dgd .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_bfef );return _bfef ,nil ;};_dgea =_gcgb .Get (0);_aaag ,_befa =_dgea .(*PdfObjectName );if !_befa {return nil ,_ag .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 _aacb ,_afec :=_cfgc .Load (_aaag .String ());_afec {return _aacb .(StreamEncoder ),nil ;};switch *_aaag {case StreamEncodingFilterNameFlate :return _ebdbf (streamObj ,nil );case StreamEncodingFilterNameLZW :return _bece (streamObj ,nil );case StreamEncodingFilterNameDCT :return _ebgf (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _efea (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _cada (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _bega (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_dgd .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 ,_ag .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",*_aaag );};

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

// Resolve resolves the reference and returns the indirect or stream object.
// If the reference cannot be resolved, a *PdfObjectNull object is returned.
func (_bgca *PdfObjectReference )Resolve ()PdfObject {if _bgca ._cbgeg ==nil {return MakeNull ();};_caecg ,_ ,_degaa :=_bgca ._cbgeg .resolveReference (_bgca );if _degaa !=nil {_dgd .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",_degaa );
return MakeNull ();};if _caecg ==nil {_dgd .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 _caecg ;};type objectStream struct{N int ;_bg []byte ;_abd map[int ]int64 ;};

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

// UpdateParams updates the parameter values of the encoder.
func (_gca *LZWEncoder )UpdateParams (params *PdfObjectDictionary ){_abfe ,_dege :=GetNumberAsInt64 (params .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr"));if _dege ==nil {_gca .Predictor =int (_abfe );};_gaba ,_dege :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));
if _dege ==nil {_gca .BitsPerComponent =int (_gaba );};_bge ,_dege :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));if _dege ==nil {_gca .Columns =int (_bge );};_dcff ,_dege :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));
if _dege ==nil {_gca .Colors =int (_dcff );};_fgca ,_dege :=GetNumberAsInt64 (params .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));if _dege ==nil {_gca .EarlyChange =int (_fgca );};};func (_cagb *JBIG2Encoder )encodeImage (_geba _ab .Image )([]byte ,error ){const _dcac ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";
_agbf ,_bded :=GoImageToJBIG2 (_geba ,JB2ImageAutoThreshold );if _bded !=nil {return nil ,_ba .Wrap (_bded ,_dcac ,"\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 _bded =_cagb .AddPageImage (_agbf ,&_cagb .DefaultPageSettings );_bded !=nil {return nil ,_ba .Wrap (_bded ,_dcac ,"");};return _cagb .Encode ();};

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

// For predictors
Columns int ;Rows int ;Colors int ;_bfg *_fg .ImageBase ;};

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

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

// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_d .Model ;Bounds ()_ab .Rectangle ;At (_gea ,_gfgb int )_d .Color ;Set (_dedc ,_cdb int ,_ebfg _d .Color );};

// ReadBytesAt reads byte content at specific offset and length within the PDF.
func (_bced *PdfParser )ReadBytesAt (offset ,len int64 )([]byte ,error ){_fdca :=_bced .GetFileOffset ();_ ,_bgdb :=_bced ._agd .Seek (offset ,_dd .SeekStart );if _bgdb !=nil {return nil ,_bgdb ;};_befe :=make ([]byte ,len );_ ,_bgdb =_dd .ReadAtLeast (_bced ._agd ,_befe ,int (len ));
if _bgdb !=nil {return nil ,_bgdb ;};_bced .SetFileOffset (_fdca );return _befe ,nil ;};

// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_eed encryptDict ;_fdg _abf .StdEncryptDict ;_cbc string ;_bcf []byte ;_fbg map[PdfObject ]bool ;_eedf map[PdfObject ]bool ;_bbg bool ;_bdc cryptFilters ;_fe string ;_bgf string ;_adaa *PdfParser ;_eea map[int ]struct{};};

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

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_gbace :=_ga .NewReader ([]byte (txt ));_gbded :=&PdfParser {ObjCache :objectCache {},_agd :_gbace ,_abggd :_ae .NewReader (_gbace ),_beeb :int64 (len (txt )),_ecd :map[int64 ]bool {}};_gbded ._adfbf .ObjectMap =make (map[int ]XrefObject );
return _gbded ;};

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

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

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

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

// WriteString outputs the object as it is to be written to file.
func (_abeff *PdfObjectStreams )WriteString ()string {var _ggcaf _fbb .Builder ;_ggcaf .WriteString (_cf .FormatInt (_abeff .ObjectNumber ,10));_ggcaf .WriteString ("\u0020\u0030\u0020\u0052");return _ggcaf .String ();};func _ccbgb (_geegca ,_bggb ,_aedaa int )error {if _bggb < 0||_bggb > _geegca {return _c .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 _aedaa < _bggb {return _c .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0073\u006c\u0069\u0063e\u0020i\u006ed\u0065\u0078\u0020\u0062\u0020\u003c\u0020a");};if _aedaa > _geegca {return _c .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 ;};

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_cfdf map[PdfObjectName ]PdfObject ;_ecde []PdfObjectName ;_bcbdg *PdfParser ;};

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

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_dcge *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_bcgcd ,_bdafa :=_dcge ._cfdf [key ];if !_bdafa {return nil ;};return _bcgcd ;};func _ace (_ceb PdfObject )(int64 ,int64 ,error ){if _dbb ,_gee :=_ceb .(*PdfIndirectObject );_gee {return _dbb .ObjectNumber ,_dbb .GenerationNumber ,nil ;
};if _dcb ,_be :=_ceb .(*PdfObjectStream );_be {return _dcb .ObjectNumber ,_dcb .GenerationNumber ,nil ;};return 0,0,_c .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");
};

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

// 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};

// 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 ;};func _gcbgb (_eecce PdfObject ,_dgdb int )PdfObject {if _dgdb > _fcdc {_dgd .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",_fcdc );
return MakeNull ();};switch _gage :=_eecce .(type ){case *PdfIndirectObject :_eecce =_gcbgb ((*_gage ).PdfObject ,_dgdb +1);case *PdfObjectArray :for _aggad ,_cafg :=range (*_gage )._egdd {(*_gage )._egdd [_aggad ]=_gcbgb (_cafg ,_dgdb +1);};case *PdfObjectDictionary :for _beba ,_accc :=range (*_gage )._cfdf {(*_gage )._cfdf [_beba ]=_gcbgb (_accc ,_dgdb +1);
};_g .Slice ((*_gage )._ecde ,func (_cgdc ,_bcefa int )bool {return (*_gage )._ecde [_cgdc ]< (*_gage )._ecde [_bcefa ]});};return _eecce ;};

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

// String returns a string representation of the *PdfObjectString.
func (_fgffd *PdfObjectString )String ()string {return _fgffd ._bagfd };func (_fbee *PdfParser )repairSeekXrefMarker ()error {_fffg ,_bbdb :=_fbee ._agd .Seek (0,_dd .SeekEnd );if _bbdb !=nil {return _bbdb ;};_fgdc :=_eg .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");
var _edgf int64 ;var _cfcae int64 =1000;for _edgf < _fffg {if _fffg <=(_cfcae +_edgf ){_cfcae =_fffg -_edgf ;};_ ,_gefd :=_fbee ._agd .Seek (-_edgf -_cfcae ,_dd .SeekEnd );if _gefd !=nil {return _gefd ;};_ccgbd :=make ([]byte ,_cfcae );_fbee ._agd .Read (_ccgbd );
_dgd .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_ccgbd ));_ddbg :=_fgdc .FindAllStringIndex (string (_ccgbd ),-1);if _ddbg !=nil {_bdfc :=_ddbg [len (_ddbg )-1];
_dgd .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_ddbg );_fbee ._agd .Seek (-_edgf -_cfcae +int64 (_bdfc [0]),_dd .SeekEnd );_fbee ._abggd =_ae .NewReader (_fbee ._agd );for {_ggfc ,_fagea :=_fbee ._abggd .Peek (1);if _fagea !=nil {return _fagea ;
};_dgd .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_ggfc [0],_ggfc [0]);if !IsWhiteSpace (_ggfc [0]){break ;};_fbee ._abggd .Discard (1);};return nil ;};_dgd .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");
_edgf +=_cfcae ;};_dgd .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 _c .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};

// PdfObjectReference represents the primitive PDF reference object.
type PdfObjectReference struct{_cbgeg *PdfParser ;ObjectNumber int64 ;GenerationNumber int64 ;};func (_dggc *PdfParser )traceStreamLength (_agcg PdfObject )(PdfObject ,error ){_ebddb ,_bcgd :=_agcg .(*PdfObjectReference );if _bcgd {_ddef ,_cdfaf :=_dggc ._ecd [_ebddb .ObjectNumber ];
if _cdfaf &&_ddef {_dgd .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 ,_c .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_dggc ._ecd [_ebddb .ObjectNumber ]=true ;};_egfc ,_dcfd :=_dggc .Resolve (_agcg );if _dcfd !=nil {return nil ,_dcfd ;
};_dgd .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_egfc );if _bcgd {_dggc ._ecd [_ebddb .ObjectNumber ]=false ;};return _egfc ,nil ;};

// DecodeBytes decodes a slice of JPX encoded bytes and returns the result.
func (_fbfd *JPXEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_dgd .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",_fbfd .GetFilterName ());
return encoded ,ErrNoJPXDecode ;};func (_abfbb *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){const _dgef =20;_cfcfg ,_ :=_abfbb ._abggd .Peek (_dgef );for _eefc :=0;_eefc < 2;_eefc ++{if _abfbb ._gfbf ==0{_abfbb ._gfbf =_abfbb .GetFileOffset ();
};if _bfbcb .Match (_cfcfg ){_dgd .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");
_dgd .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_cfcfg ));return _abfbb .parseXrefStream (nil );};if _fefe .Match (_cfcfg ){_dgd .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 _abfbb .parseXrefTable ();};_fceb :=_abfbb .GetFileOffset ();if _abfbb ._gfbf ==0{_abfbb ._gfbf =_fceb ;};_abfbb .SetFileOffset (_fceb -_dgef );defer _abfbb .SetFileOffset (_fceb );_fegd ,_ :=_abfbb ._abggd .Peek (_dgef );_cfcfg =append (_fegd ,_cfcfg ...);
};_dgd .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 _afae :=_abfbb .repairSeekXrefMarker ();_afae !=nil {_dgd .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_afae );return nil ,_afae ;};return _abfbb .parseXrefTable ();};func (_ccf *PdfCrypt )loadCryptFilters (_cda *PdfObjectDictionary )error {_ccf ._bdc =cryptFilters {};
_dad :=_cda .Get ("\u0043\u0046");_dad =TraceToDirectObject (_dad );if _egc ,_fee :=_dad .(*PdfObjectReference );_fee {_cab ,_bgd :=_ccf ._adaa .LookupByReference (*_egc );if _bgd !=nil {_dgd .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 _bgd ;};_dad =TraceToDirectObject (_cab );};_beb ,_baa :=_dad .(*PdfObjectDictionary );if !_baa {_dgd .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_dad );return _c .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");
};for _ ,_ega :=range _beb .Keys (){_bdd :=_beb .Get (_ega );if _gcbc ,_fga :=_bdd .(*PdfObjectReference );_fga {_cae ,_beeg :=_ccf ._adaa .LookupByReference (*_gcbc );if _beeg !=nil {_dgd .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 _beeg ;};_bdd =TraceToDirectObject (_cae );};_bbc ,_ddd :=_bdd .(*PdfObjectDictionary );if !_ddd {return _ag .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",_ega ,_bdd );
};if _ega =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_dgd .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 _dbaa _af .FilterDict ;if _ddb :=_bbf (&_dbaa ,_bbc );_ddb !=nil {return _ddb ;};_eaf ,_fead :=_af .NewFilter (_dbaa );if _fead !=nil {return _fead ;};_ccf ._bdc [string (_ega )]=_eaf ;};_ccf ._bdc ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_af .NewIdentity ();
_ccf ._bgf ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _acd ,_bdgf :=_cda .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_bdgf {if _ ,_bed :=_ccf ._bdc [string (*_acd )];!_bed {return _ag .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",*_acd );
};_ccf ._bgf =string (*_acd );};_ccf ._fe ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _eag ,_dcfg :=_cda .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_dcfg {if _ ,_cfbg :=_ccf ._bdc [string (*_eag )];!_cfbg {return _ag .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",*_eag );
};_ccf ._fe =string (*_eag );};return nil ;};

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

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_efda []float64 ,_afab error ){for _ ,_abff :=range objects {_fbgf ,_gbegg :=GetNumberAsFloat (_abff );if _gbegg !=nil {return nil ,_gbegg ;};_efda =append (_efda ,_fbgf );};return _efda ,nil ;};func (_ecee *JBIG2Image )toBitmap ()(_gfegd *_bf .Bitmap ,_fdffcd error ){const _abea ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";
if _ecee .Data ==nil {return nil ,_ba .Error (_abea ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");};if _ecee .Width ==0||_ecee .Height ==0{return nil ,_ba .Error (_abea ,"\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 _ecee .HasPadding {_gfegd ,_fdffcd =_bf .NewWithData (_ecee .Width ,_ecee .Height ,_ecee .Data );}else {_gfegd ,_fdffcd =_bf .NewWithUnpaddedData (_ecee .Width ,_ecee .Height ,_ecee .Data );};if _fdffcd !=nil {return nil ,_ba .Wrap (_fdffcd ,_abea ,"");
};return _gfegd ,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 _dbde ,_dggg :=obj .(*PdfObjectReference );_dggg {obj =_dbde .Resolve ();};_ebdeg ,_cgea :=obj .(*PdfIndirectObject );_gffb :=0;for _cgea {obj =_ebdeg .PdfObject ;_ebdeg ,_cgea =GetIndirect (obj );
_gffb ++;if _gffb > _fcdc {_dgd .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",_fcdc );
return nil ;};};return obj ;};var _fefe =_eg .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");

// WriteString outputs the object as it is to be written to file.
func (_dbge *PdfObjectDictionary )WriteString ()string {var _gdbd _fbb .Builder ;_gdbd .WriteString ("\u003c\u003c");for _ ,_eeadc :=range _dbge ._ecde {_aagf :=_dbge ._cfdf [_eeadc ];_gdbd .WriteString (_eeadc .WriteString ());_gdbd .WriteString ("\u0020");
_gdbd .WriteString (_aagf .WriteString ());};_gdbd .WriteString ("\u003e\u003e");return _gdbd .String ();};

// 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 )(_acca string ,_cdga bool ){_gceae ,_cdga :=TraceToDirectObject (obj ).(*PdfObjectString );if _cdga {return _gceae .Str (),true ;};return ;};

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

// MakeName creates a PdfObjectName from a string.
func MakeName (s string )*PdfObjectName {_baffg :=PdfObjectName (s );return &_baffg };func (_dgfa *PdfCrypt )saveCryptFilters (_acc *PdfObjectDictionary )error {if _dgfa ._eed .V < 4{return _c .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");
};_cfa :=MakeDict ();_acc .Set ("\u0043\u0046",_cfa );for _deg ,_eec :=range _dgfa ._bdc {if _deg =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_cdf :=_gfg (_eec ,"");_cfa .Set (PdfObjectName (_deg ),_cdf );};_acc .Set ("\u0053\u0074\u0072\u0046",MakeName (_dgfa ._bgf ));
_acc .Set ("\u0053\u0074\u006d\u0046",MakeName (_dgfa ._fe ));return nil ;};

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

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

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

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

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

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

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

// 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 (_dee *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _cba ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _dee .ColorComponents !=1||_dee .BitsPerComponent !=1{return nil ,_ba .Errorf (_cba ,"\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 (_ggcd *_bf .Bitmap ;_feac error ;);_bcgc :=(_dee .Width *_dee .Height )==len (data );if _bcgc {_ggcd ,_feac =_bf .NewWithUnpaddedData (_dee .Width ,_dee .Height ,data );}else {_ggcd ,_feac =_bf .NewWithData (_dee .Width ,_dee .Height ,data );};if _feac !=nil {return nil ,_feac ;
};_bgef :=_dee .DefaultPageSettings ;if _feac =_bgef .Validate ();_feac !=nil {return nil ,_ba .Wrap (_feac ,_cba ,"");};if _dee ._gda ==nil {_dee ._gda =_fa .InitEncodeDocument (_bgef .FileMode );};switch _bgef .Compression {case JB2Generic :if _feac =_dee ._gda .AddGenericPage (_ggcd ,_bgef .DuplicatedLinesRemoval );
_feac !=nil {return nil ,_ba .Wrap (_feac ,_cba ,"");};case JB2SymbolCorrelation :return nil ,_ba .Error (_cba ,"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 ,_ba .Error (_cba ,"\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 ,_ba .Error (_cba ,"\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 _dee .Encode ();};

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

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

// MakeStreamDict make a new instance of an encoding dictionary for a stream object.
func (_cgfa *ASCII85Encoder )MakeStreamDict ()*PdfObjectDictionary {_debc :=MakeDict ();_debc .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_cgfa .GetFilterName ()));return _debc ;};const _dacg =32<<(^uint (0)>>63);

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_eace *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _dafe []byte ;_dgd .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_fafe :=0;_edgc :=false ;for _fafe < len (encoded )&&!_edgc {_dccb :=[5]byte {0,0,0,0,0};
_eccd :=0;_eafc :=0;_eecd :=4;for _eafc < 5+_eccd {if _fafe +_eafc ==len (encoded ){break ;};_badc :=encoded [_fafe +_eafc ];if IsWhiteSpace (_badc ){_eccd ++;_eafc ++;continue ;}else if _badc =='~'&&_fafe +_eafc +1< len (encoded )&&encoded [_fafe +_eafc +1]=='>'{_eecd =(_eafc -_eccd )-1;
if _eecd < 0{_eecd =0;};_edgc =true ;break ;}else if _badc >='!'&&_badc <='u'{_badc -='!';}else if _badc =='z'&&_eafc -_eccd ==0{_eecd =4;_eafc ++;break ;}else {_dgd .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 ,_c .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_dccb [_eafc -_eccd ]=_badc ;_eafc ++;};_fafe +=_eafc ;for _faa :=_eecd +1;_faa < 5;_faa ++{_dccb [_faa ]=84;
};_ecce :=uint32 (_dccb [0])*85*85*85*85+uint32 (_dccb [1])*85*85*85+uint32 (_dccb [2])*85*85+uint32 (_dccb [3])*85+uint32 (_dccb [4]);_fdcg :=[]byte {byte ((_ecce >>24)&0xff),byte ((_ecce >>16)&0xff),byte ((_ecce >>8)&0xff),byte (_ecce &0xff)};_dafe =append (_dafe ,_fdcg [:_eecd ]...);
};_dgd .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_dgd .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_dafe );
return _dafe ,nil ;};

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

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_gaeb *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _gaeb .Predictor !=1&&_gaeb .Predictor !=11{_dgd .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 _gaeb .Predictor ==11{_gdd :=_gaeb .Columns ;_cgb :=len (data )/_gdd ;if len (data )%_gdd !=0{_dgd .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_c .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_fgd :=_ga .NewBuffer (nil );_bcac :=make ([]byte ,_gdd );for _afdb :=0;_afdb < _cgb ;_afdb ++{_cace :=data [_gdd *_afdb :_gdd *(_afdb +1)];
_bcac [0]=_cace [0];for _gdce :=1;_gdce < _gdd ;_gdce ++{_bcac [_gdce ]=byte (int (_cace [_gdce ]-_cace [_gdce -1])%256);};_fgd .WriteByte (1);_fgd .Write (_bcac );};data =_fgd .Bytes ();};var _cfae _ga .Buffer ;_bcacb :=_dg .NewWriter (&_cfae );_bcacb .Write (data );
_bcacb .Close ();return _cfae .Bytes (),nil ;};var _cfgc _b .Map ;var _cgd =_eg .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");

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

// DecodeBytes returns the passed in slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_abfeg *RawEncoder )DecodeBytes (encoded []byte )([]byte ,error ){return encoded ,nil };func _ebdbf (_gad *PdfObjectStream ,_fafa *PdfObjectDictionary )(*FlateEncoder ,error ){_cac :=NewFlateEncoder ();_eded :=_gad .PdfObjectDictionary ;if _eded ==nil {return _cac ,nil ;
};_cac ._bfg =_aeaa (_eded );if _fafa ==nil {_gfdf :=TraceToDirectObject (_eded .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));switch _bcdc :=_gfdf .(type ){case *PdfObjectArray :if _bcdc .Len ()!=1{_dgd .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",_bcdc .Len ());
return nil ,_c .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _dafa ,_daef :=GetDict (_bcdc .Get (0));_daef {_fafa =_dafa ;};case *PdfObjectDictionary :_fafa =_bcdc ;case *PdfObjectNull ,nil :default:_dgd .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",_gfdf );
return nil ,_ag .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _fafa ==nil {return _cac ,nil ;};_dgd .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_fafa .String ());
_cbba :=_fafa .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _cbba ==nil {_dgd .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 {_cbga ,_feeb :=_cbba .(*PdfObjectInteger );if !_feeb {_dgd .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",_cbba );
return nil ,_ag .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_cac .Predictor =int (*_cbga );};_cbba =_fafa .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _cbba !=nil {_egcc ,_fbga :=_cbba .(*PdfObjectInteger );if !_fbga {_dgd .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 ,_ag .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_cac .BitsPerComponent =int (*_egcc );};if _cac .Predictor > 1{_cac .Columns =1;_cbba =_fafa .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _cbba !=nil {_aeb ,_dbdd :=_cbba .(*PdfObjectInteger );if !_dbdd {return nil ,_ag .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_cac .Columns =int (*_aeb );
};_cac .Colors =1;_cbba =_fafa .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _cbba !=nil {_daaf ,_dfc :=_cbba .(*PdfObjectInteger );if !_dfc {return nil ,_ag .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");
};_cac .Colors =int (*_daaf );};};return _cac ,nil ;};func (_begd *PdfParser )parseString ()(*PdfObjectString ,error ){_begd ._abggd .ReadByte ();var _gdbb _ga .Buffer ;_gffcf :=1;for {_bdda ,_cdeg :=_begd ._abggd .Peek (1);if _cdeg !=nil {return MakeString (_gdbb .String ()),_cdeg ;
};if _bdda [0]=='\\'{_begd ._abggd .ReadByte ();_gcef ,_ffbf :=_begd ._abggd .ReadByte ();if _ffbf !=nil {return MakeString (_gdbb .String ()),_ffbf ;};if IsOctalDigit (_gcef ){_eadfa ,_gbga :=_begd ._abggd .Peek (2);if _gbga !=nil {return MakeString (_gdbb .String ()),_gbga ;
};var _ffac []byte ;_ffac =append (_ffac ,_gcef );for _ ,_dedd :=range _eadfa {if IsOctalDigit (_dedd ){_ffac =append (_ffac ,_dedd );}else {break ;};};_begd ._abggd .Discard (len (_ffac )-1);_dgd .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_ffac );
_abdca ,_gbga :=_cf .ParseUint (string (_ffac ),8,32);if _gbga !=nil {return MakeString (_gdbb .String ()),_gbga ;};_gdbb .WriteByte (byte (_abdca ));continue ;};switch _gcef {case 'n':_gdbb .WriteRune ('\n');case 'r':_gdbb .WriteRune ('\r');case 't':_gdbb .WriteRune ('\t');
case 'b':_gdbb .WriteRune ('\b');case 'f':_gdbb .WriteRune ('\f');case '(':_gdbb .WriteRune ('(');case ')':_gdbb .WriteRune (')');case '\\':_gdbb .WriteRune ('\\');};continue ;}else if _bdda [0]=='('{_gffcf ++;}else if _bdda [0]==')'{_gffcf --;if _gffcf ==0{_begd ._abggd .ReadByte ();
break ;};};_bdbb ,_ :=_begd ._abggd .ReadByte ();_gdbb .WriteByte (_bdbb );};return MakeString (_gdbb .String ()),nil ;};

// PdfObjectFloat represents the primitive PDF floating point numerical object.
type PdfObjectFloat float64 ;func (_ddab *FlateEncoder )postDecodePredict (_gdb []byte )([]byte ,error ){if _ddab .Predictor > 1{if _ddab .Predictor ==2{_dgd .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_dgd .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_ddab .Colors );_bcb :=_ddab .Columns *_ddab .Colors ;if _bcb < 1{return []byte {},nil ;};_fgc :=len (_gdb )/_bcb ;if len (_gdb )%_bcb !=0{_dgd .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 ,_ag .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 (_gdb ),_bcb );};if _bcb %_ddab .Colors !=0{return nil ,_ag .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",_bcb ,_ddab .Colors );
};if _bcb > len (_gdb ){_dgd .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",_bcb ,len (_gdb ));
return nil ,_c .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_dgd .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_gdb ),_gdb );
_gcec :=_ga .NewBuffer (nil );for _acac :=0;_acac < _fgc ;_acac ++{_aece :=_gdb [_bcb *_acac :_bcb *(_acac +1)];for _cdab :=_ddab .Colors ;_cdab < _bcb ;_cdab ++{_aece [_cdab ]+=_aece [_cdab -_ddab .Colors ];};_gcec .Write (_aece );};_gag :=_gcec .Bytes ();
_dgd .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_gag ),_gag );return _gag ,nil ;}else if _ddab .Predictor >=10&&_ddab .Predictor <=15{_dgd .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_ccg :=_ddab .Columns *_ddab .Colors +1;_bgc :=len (_gdb )/_ccg ;if len (_gdb )%_ccg !=0{return nil ,_ag .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 (_gdb ),_ccg );
};if _ccg > len (_gdb ){_dgd .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",_ccg ,len (_gdb ));
return nil ,_c .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_fddf :=_ga .NewBuffer (nil );_dgd .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_ddab .Columns );
_dgd .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_gdb ),_ccg ,_bgc );_adfb :=make ([]byte ,_ccg );for _ecg :=0;_ecg < _ccg ;_ecg ++{_adfb [_ecg ]=0;};_dffd :=_ddab .Colors ;
for _egef :=0;_egef < _bgc ;_egef ++{_feg :=_gdb [_ccg *_egef :_ccg *(_egef +1)];_edac :=_feg [0];switch _edac {case _dfef :case _adc :for _fagd :=1+_dffd ;_fagd < _ccg ;_fagd ++{_feg [_fagd ]+=_feg [_fagd -_dffd ];};case _eedg :for _gfgg :=1;_gfgg < _ccg ;
_gfgg ++{_feg [_gfgg ]+=_adfb [_gfgg ];};case _agb :for _ebce :=1;_ebce < _dffd +1;_ebce ++{_feg [_ebce ]+=_adfb [_ebce ]/2;};for _fed :=_dffd +1;_fed < _ccg ;_fed ++{_feg [_fed ]+=byte ((int (_feg [_fed -_dffd ])+int (_adfb [_fed ]))/2);};case _eef :for _cdg :=1;
_cdg < _ccg ;_cdg ++{var _cfdd ,_ccdda ,_bcee byte ;_ccdda =_adfb [_cdg ];if _cdg >=_dffd +1{_cfdd =_feg [_cdg -_dffd ];_bcee =_adfb [_cdg -_dffd ];};_feg [_cdg ]+=_badff (_cfdd ,_ccdda ,_bcee );};default:_dgd .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",_edac ,_egef );
return nil ,_ag .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_edac );};copy (_adfb ,_feg );_fddf .Write (_feg [1:]);};_cgf :=_fddf .Bytes ();return _cgf ,nil ;
}else {_dgd .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",_ddab .Predictor );return nil ,_ag .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",_ddab .Predictor );
};};return _gdb ,nil ;};

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

// Append appends PdfObject(s) to the streams.
func (_ccedb *PdfObjectStreams )Append (objects ...PdfObject ){if _ccedb ==nil {_dgd .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 ;};_ccedb ._edgb =append (_ccedb ._edgb ,objects ...);};const (XrefTypeTableEntry xrefType =iota ;XrefTypeObjectStream xrefType =iota ;);const _gcbb ="\u0053\u0074\u0064C\u0046";

// UpdateParams updates the parameter values of the encoder.
func (_bbaad *ASCIIHexEncoder )UpdateParams (params *PdfObjectDictionary ){};func _adbd ()string {return _dgd .Version };func (_ffg *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_dde :=MakeDict ();_dde .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));
_dde .Set ("\u0056",MakeInteger (int64 (_ffg ._eed .V )));_dde .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_ffg ._eed .Length )));return _dde ;};

// 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 )(_fbagd *PdfObjectDictionary ,_gcgg bool ){_fbagd ,_gcgg =TraceToDirectObject (obj ).(*PdfObjectDictionary );return _fbagd ,_gcgg ;};

// EncodeBytes returns the passed in slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_fbdff *RawEncoder )EncodeBytes (data []byte )([]byte ,error ){return data ,nil };func (_dfdd *PdfParser )resolveReference (_gbebc *PdfObjectReference )(PdfObject ,bool ,error ){_aeag ,_dgdd :=_dfdd .ObjCache [int (_gbebc .ObjectNumber )];if _dgdd {return _aeag ,true ,nil ;
};_aeffc ,_afdc :=_dfdd .LookupByReference (*_gbebc );if _afdc !=nil {return nil ,false ,_afdc ;};_dfdd .ObjCache [int (_gbebc .ObjectNumber )]=_aeffc ;return _aeffc ,false ,nil ;};

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

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

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

// NewRunLengthEncoder makes a new run length encoder
func NewRunLengthEncoder ()*RunLengthEncoder {return &RunLengthEncoder {}};func (_cfab *PdfParser )parseHexString ()(*PdfObjectString ,error ){_cfab ._abggd .ReadByte ();var _ceba _ga .Buffer ;for {_dcaff ,_gcbg :=_cfab ._abggd .Peek (1);if _gcbg !=nil {return MakeString (""),_gcbg ;
};if _dcaff [0]=='>'{_cfab ._abggd .ReadByte ();break ;};_bagf ,_ :=_cfab ._abggd .ReadByte ();if !IsWhiteSpace (_bagf ){_ceba .WriteByte (_bagf );};};if _ceba .Len ()%2==1{_ceba .WriteRune ('0');};_fadb ,_ :=_fd .DecodeString (_ceba .String ());return MakeHexString (string (_fadb )),nil ;
};func (_ggab *PdfParser )inspect ()(map[string ]int ,error ){_dgd .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");_dgd .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");
_ccbfg :=map[string ]int {};_gcfg :=0;_efbf :=0;var _cgga []int ;for _egfcc :=range _ggab ._adfbf .ObjectMap {_cgga =append (_cgga ,_egfcc );};_g .Ints (_cgga );_baabc :=0;for _ ,_afde :=range _cgga {_caffd :=_ggab ._adfbf .ObjectMap [_afde ];if _caffd .ObjectNumber ==0{continue ;
};_gcfg ++;_dgd .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_dgd .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",_caffd .ObjectNumber );
_gbaf ,_ddbbb :=_ggab .LookupByNumber (_caffd .ObjectNumber );if _ddbbb !=nil {_dgd .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",_caffd .ObjectNumber ,_ddbbb );
_efbf ++;continue ;};_dgd .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_gbaf );_egba ,_cggee :=_gbaf .(*PdfIndirectObject );if _cggee {_dgd .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_caffd .ObjectNumber ,_egba );
_fddcd ,_bafb :=_egba .PdfObject .(*PdfObjectDictionary );if _bafb {if _becfe ,_cefb :=_fddcd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_cefb {_fgbd :=string (*_becfe );_dgd .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_fgbd );
_ ,_cdcc :=_ccbfg [_fgbd ];if _cdcc {_ccbfg [_fgbd ]++;}else {_ccbfg [_fgbd ]=1;};}else if _affcd ,_aaebd :=_fddcd .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_aaebd {_gbbf :=string (*_affcd );_dgd .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_gbbf );
_ ,_eagcg :=_ccbfg [_gbbf ];if _eagcg {_ccbfg [_gbbf ]++;}else {_ccbfg [_gbbf ]=1;};};if _agdca ,_afbc :=_fddcd .Get ("\u0053").(*PdfObjectName );_afbc &&*_agdca =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_cabf :=_ccbfg ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _cabf {_ccbfg ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_ccbfg ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _befb ,_faee :=_gbaf .(*PdfObjectStream );_faee {if _bdagc ,_fgcbg :=_befb .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_fgcbg {_dgd .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",*_bdagc );_efac :=string (*_bdagc );_ccbfg [_efac ]++;};}else {_dfaa ,_deca :=_gbaf .(*PdfObjectDictionary );
if _deca {_bfcb ,_ffae :=_dfaa .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _ffae {_bbedd :=string (*_bfcb );_dgd .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_bbedd );_ccbfg [_bbedd ]++;};};
_dgd .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_caffd .ObjectNumber ,_gbaf );};_baabc ++;};_dgd .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");
_dgd .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");_dgd .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_gcfg );_dgd .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_efbf );
for _cbbb ,_afbb :=range _ccbfg {_dgd .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_cbbb ,_afbb );};_dgd .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_ggab ._adfbf .ObjectMap )< 1{_dgd .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 ,_ag .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");};_cdcb ,_aaea :=_ccbfg ["\u0046\u006f\u006e\u0074"];
if !_aaea ||_cdcb < 2{_dgd .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 {_dgd .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 _ccbfg ,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 (_bbd *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _cbfg _fg .Gray ;switch len (data ){case _bbd .Rows *_bbd .Columns :_gcgad ,_fcab :=_fg .NewImage (_bbd .Columns ,_bbd .Rows ,8,1,data ,nil ,nil );if _fcab !=nil {return nil ,_fcab ;
};_cbfg =_gcgad .(_fg .Gray );case (_bbd .Columns *_bbd .Rows )+7>>3:_bgcbd ,_bdce :=_fg .NewImage (_bbd .Columns ,_bbd .Rows ,1,1,data ,nil ,nil );if _bdce !=nil {return nil ,_bdce ;};_afg :=_bgcbd .(*_fg .Monochrome );if _bdce =_afg .AddPadding ();_bdce !=nil {return nil ,_bdce ;
};_cbfg =_afg ;default:if len (data )< _fg .BytesPerLine (_bbd .Columns ,1,1)*_bbd .Rows {return nil ,_c .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_ecfc ,_eggc :=_fg .NewImage (_bbd .Columns ,_bbd .Rows ,1,1,data ,nil ,nil );if _eggc !=nil {return nil ,_eggc ;};_ccaf :=_ecfc .(*_fg .Monochrome );_cbfg =_ccaf ;};_fgcf :=make ([][]byte ,_bbd .Rows );for _bacgd :=0;_bacgd < _bbd .Rows ;_bacgd ++{_fbgb :=make ([]byte ,_bbd .Columns );
for _eacd :=0;_eacd < _bbd .Columns ;_eacd ++{_cfcf :=_cbfg .GrayAt (_eacd ,_bacgd );_fbgb [_eacd ]=_cfcf .Y >>7;};_fgcf [_bacgd ]=_fbgb ;};_ffbc :=&_ac .Encoder {K :_bbd .K ,Columns :_bbd .Columns ,EndOfLine :_bbd .EndOfLine ,EndOfBlock :_bbd .EndOfBlock ,BlackIs1 :_bbd .BlackIs1 ,DamagedRowsBeforeError :_bbd .DamagedRowsBeforeError ,Rows :_bbd .Rows ,EncodedByteAlign :_bbd .EncodedByteAlign };
return _ffbc .Encode (_fgcf ),nil ;};

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_gecf *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_fff :=encoded ;var _cgab error ;for _ ,_fegb :=range _gecf ._bcag {_dgd .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",_fegb ,_fegb );
_fff ,_cgab =_fegb .DecodeBytes (_fff );if _cgab !=nil {return nil ,_cgab ;};};return _fff ,nil ;};

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

// 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 (_cfcd *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_ffge :=PdfIndirectObject {};_ffge ._cbgeg =_cfcd ;_dgd .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_gdbg ,_fcbc :=_cfcd ._abggd .Peek (20);
if _fcbc !=nil {if _fcbc !=_dd .EOF {_dgd .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 &_ffge ,_fcbc ;
};};_dgd .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_gdbg ));_ebgc :=_bfbcb .FindStringSubmatchIndex (string (_gdbg ));if len (_ebgc )< 6{if _fcbc ==_dd .EOF {return nil ,_fcbc ;
};_dgd .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 (_gdbg ));
return &_ffge ,_c .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");
};_cfcd ._abggd .Discard (_ebgc [0]);_dgd .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_ebgc );_eged :=_ebgc [1]-_ebgc [0];_cged :=make ([]byte ,_eged );_ ,_fcbc =_cfcd .ReadAtLeast (_cged ,_eged );if _fcbc !=nil {_dgd .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",_fcbc );
return nil ,_fcbc ;};_dgd .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_cged );_fddfb :=_bfbcb .FindStringSubmatch (string (_cged ));if len (_fddfb )< 3{_dgd .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 (_cged ));
return &_ffge ,_c .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");
};_gdfa ,_ :=_cf .Atoi (_fddfb [1]);_ebgce ,_ :=_cf .Atoi (_fddfb [2]);_ffge .ObjectNumber =int64 (_gdfa );_ffge .GenerationNumber =int64 (_ebgce );for {_ccaa ,_bfbe :=_cfcd ._abggd .Peek (2);if _bfbe !=nil {return &_ffge ,_bfbe ;};_dgd .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_ccaa ),string (_ccaa ));
if IsWhiteSpace (_ccaa [0]){_cfcd .skipSpaces ();}else if _ccaa [0]=='%'{_cfcd .skipComments ();}else if (_ccaa [0]=='<')&&(_ccaa [1]=='<'){_dgd .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_ffge .PdfObject ,_bfbe =_cfcd .ParseDict ();
_dgd .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_bfbe );if _bfbe !=nil {return &_ffge ,_bfbe ;};_dgd .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 (_ccaa [0]=='/')||(_ccaa [0]=='(')||(_ccaa [0]=='[')||(_ccaa [0]=='<'){_ffge .PdfObject ,_bfbe =_cfcd .parseObject ();if _bfbe !=nil {return &_ffge ,_bfbe ;};_dgd .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 _ccaa [0]==']'{_dgd .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");
_cfcd ._abggd .Discard (1);}else {if _ccaa [0]=='e'{_edbb ,_afcgd :=_cfcd .readTextLine ();if _afcgd !=nil {return nil ,_afcgd ;};if len (_edbb )>=6&&_edbb [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _ccaa [0]=='s'{_ccaa ,_ =_cfcd ._abggd .Peek (10);
if string (_ccaa [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_agcc :=6;if len (_ccaa )> 6{if IsWhiteSpace (_ccaa [_agcc ])&&_ccaa [_agcc ]!='\r'&&_ccaa [_agcc ]!='\n'{_dgd .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");
_agcc ++;};if _ccaa [_agcc ]=='\r'{_agcc ++;if _ccaa [_agcc ]=='\n'{_agcc ++;};}else if _ccaa [_agcc ]=='\n'{_agcc ++;};};_cfcd ._abggd .Discard (_agcc );_dbab ,_deeg :=_ffge .PdfObject .(*PdfObjectDictionary );if !_deeg {return nil ,_c .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");
};_dgd .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_dbab );_aggaa ,_abbf :=_cfcd .traceStreamLength (_dbab .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _abbf !=nil {_dgd .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",_abbf );
return nil ,_abbf ;};_dgd .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_aggaa );_fecc ,_gbae :=_aggaa .(*PdfObjectInteger );if !_gbae {return nil ,_c .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");
};_fafac :=*_fecc ;if _fafac < 0{return nil ,_c .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");};_beef :=_cfcd .GetFileOffset ();
_dccd :=_cfcd .xrefNextObjectOffset (_beef );if _beef +int64 (_fafac )> _dccd &&_dccd > _beef {_dgd .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_beef +int64 (_fafac ));_dgd .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",_dccd );
_defg :=_dccd -_beef -17;if _defg < 0{return nil ,_c .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");
};_dgd .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",_defg );_fafac =PdfObjectInteger (_defg );
_dbab .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_defg ));};if int64 (_fafac )> _cfcd ._beeb {_dgd .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 ,_c .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");};_eagf :=make ([]byte ,_fafac );
_ ,_abbf =_cfcd .ReadAtLeast (_eagf ,int (_fafac ));if _abbf !=nil {_dgd .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_eagf ),_eagf );_dgd .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_abbf );
return nil ,_abbf ;};_dgagd :=PdfObjectStream {};_dgagd .Stream =_eagf ;_dgagd .PdfObjectDictionary =_ffge .PdfObject .(*PdfObjectDictionary );_dgagd .ObjectNumber =_ffge .ObjectNumber ;_dgagd .GenerationNumber =_ffge .GenerationNumber ;_dgagd .PdfObjectReference ._cbgeg =_cfcd ;
_cfcd .skipSpaces ();_cfcd ._abggd .Discard (9);_cfcd .skipSpaces ();return &_dgagd ,nil ;};};_ffge .PdfObject ,_bfbe =_cfcd .parseObject ();if _ffge .PdfObject ==nil {_dgd .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");
_ffge .PdfObject =MakeNull ();};return &_ffge ,_bfbe ;};};if _ffge .PdfObject ==nil {_dgd .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");
_ffge .PdfObject =MakeNull ();};_dgd .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_ffge ,nil ;};

// Append appends PdfObject(s) to the array.
func (_fcbab *PdfObjectArray )Append (objects ...PdfObject ){if _fcbab ==nil {_dgd .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 ;};_fcbab ._egdd =append (_fcbab ._egdd ,objects ...);};

// 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 (_cbdc *LZWEncoder )EncodeBytes (data []byte )([]byte ,error ){if _cbdc .Predictor !=1{return nil ,_ag .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 _cbdc .EarlyChange ==1{return nil ,_ag .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 _afff _ga .Buffer ;_bgeb :=_cfe .NewWriter (&_afff ,_cfe .MSB ,8);_bgeb .Write (data );_bgeb .Close ();return _afff .Bytes (),nil ;};

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_fedcg *PdfParser )GetFileOffset ()int64 {_fadgf ,_ :=_fedcg ._agd .Seek (0,_dd .SeekCurrent );_fadgf -=int64 (_fedcg ._abggd .Buffered ());return _fadgf ;};func (_dcg *PdfCrypt )authenticate (_cdfb []byte )(bool ,error ){_dcg ._bbg =false ;_ebc :=_dcg .securityHandler ();
_accg ,_bec ,_adaf :=_ebc .Authenticate (&_dcg ._fdg ,_cdfb );if _adaf !=nil {return false ,_adaf ;}else if _bec ==0||len (_accg )==0{return false ,nil ;};_dcg ._bbg =true ;_dcg ._bcf =_accg ;return true ,nil ;};func (_cabe *PdfCrypt )checkAccessRights (_dbc []byte )(bool ,_abf .Permissions ,error ){_ccfc :=_cabe .securityHandler ();
_dbe ,_gac ,_fggfb :=_ccfc .Authenticate (&_cabe ._fdg ,_dbc );if _fggfb !=nil {return false ,0,_fggfb ;}else if _gac ==0||len (_dbe )==0{return false ,0,nil ;};return true ,_gac ,nil ;};var _fde =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};
func _cfbfc (_gdbgb PdfObject ,_agbg int ,_cbde map[PdfObject ]struct{})error {_dgd .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",_agbg );
if _ ,_gbdgd :=_cbde [_gdbgb ];_gbdgd {_dgd .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_cbde [_gdbgb ]=struct{}{};switch _dcec :=_gdbgb .(type ){case *PdfIndirectObject :_fgdcd :=_dcec ;
_dgd .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_fgdcd );_dgd .Log .Trace ("\u002d\u0020\u0025\u0073",_fgdcd .PdfObject );return _cfbfc (_fgdcd .PdfObject ,_agbg +1,_cbde );case *PdfObjectStream :_abbc :=_dcec ;return _cfbfc (_abbc .PdfObjectDictionary ,_agbg +1,_cbde );
case *PdfObjectDictionary :_efbc :=_dcec ;_dgd .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_efbc );for _ ,_fabgf :=range _efbc .Keys (){_ecfce :=_efbc .Get (_fabgf );if _dfgc ,_dcbe :=_ecfce .(*PdfObjectReference );_dcbe {_febg :=_dfgc .Resolve ();
_efbc .Set (_fabgf ,_febg );_dcfa :=_cfbfc (_febg ,_agbg +1,_cbde );if _dcfa !=nil {return _dcfa ;};}else {_cgcda :=_cfbfc (_ecfce ,_agbg +1,_cbde );if _cgcda !=nil {return _cgcda ;};};};return nil ;case *PdfObjectArray :_dddag :=_dcec ;_dgd .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_dddag );
for _bdgb ,_dgdag :=range _dddag .Elements (){if _gfaf ,_fcada :=_dgdag .(*PdfObjectReference );_fcada {_cfbb :=_gfaf .Resolve ();_dddag .Set (_bdgb ,_cfbb );_gffa :=_cfbfc (_cfbb ,_agbg +1,_cbde );if _gffa !=nil {return _gffa ;};}else {_aaef :=_cfbfc (_dgdag ,_agbg +1,_cbde );
if _aaef !=nil {return _aaef ;};};};return nil ;case *PdfObjectReference :_dgd .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 _c .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};return nil ;};func _efdd (_gfab string )(PdfObjectReference ,error ){_egag :=PdfObjectReference {};_fega :=_cgd .FindStringSubmatch (_gfab );if len (_fega )< 3{_dgd .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
return _egag ,_c .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");};_faab ,_ :=_cf .Atoi (_fega [1]);_cef ,_ :=_cf .Atoi (_fega [2]);_egag .ObjectNumber =int64 (_faab );_egag .GenerationNumber =int64 (_cef );
return _egag ,nil ;};var _gbde =_eg .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");

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

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

// 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 )(_gbfgf *PdfObjectInteger ,_dbff bool ){_gbfgf ,_dbff =TraceToDirectObject (obj ).(*PdfObjectInteger );return _gbfgf ,_dbff ;};const (JB2Generic JBIG2CompressionType =iota ;JB2SymbolCorrelation ;JB2SymbolRankHaus ;);

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

// EncodeBytes encodes data into ASCII85 encoded format.
func (_bab *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _aedb _ga .Buffer ;for _dcgb :=0;_dcgb < len (data );_dcgb +=4{_fabc :=data [_dcgb ];_fagdb :=1;_caad :=byte (0);if _dcgb +1< len (data ){_caad =data [_dcgb +1];_fagdb ++;};_ccb :=byte (0);
if _dcgb +2< len (data ){_ccb =data [_dcgb +2];_fagdb ++;};_cacb :=byte (0);if _dcgb +3< len (data ){_cacb =data [_dcgb +3];_fagdb ++;};_acga :=(uint32 (_fabc )<<24)|(uint32 (_caad )<<16)|(uint32 (_ccb )<<8)|uint32 (_cacb );if _acga ==0{_aedb .WriteByte ('z');
}else {_gfgbe :=_bab .base256Tobase85 (_acga );for _ ,_fae :=range _gfgbe [:_fagdb +1]{_aedb .WriteByte (_fae +'!');};};};_aedb .WriteString ("\u007e\u003e");return _aedb .Bytes (),nil ;};

// Decrypt an object with specified key. For numbered objects,
// the key argument is not used and a new one is generated based
// on the object and generation number.
// Traverses through all the subobjects (recursive).
//
// Does not look up references..  That should be done prior to calling.
func (_cfdg *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _cfdg .isDecrypted (obj ){return nil ;};switch _fcg :=obj .(type ){case *PdfIndirectObject :_cfdg ._fbg [_fcg ]=true ;_dgd .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",_fcg .ObjectNumber ,_fcg .GenerationNumber );
_fbbgc :=_fcg .ObjectNumber ;_dbaea :=_fcg .GenerationNumber ;_daff :=_cfdg .Decrypt (_fcg .PdfObject ,_fbbgc ,_dbaea );if _daff !=nil {return _daff ;};return nil ;case *PdfObjectStream :_cfdg ._fbg [_fcg ]=true ;_aaa :=_fcg .PdfObjectDictionary ;if _cfdg ._fdg .R !=5{if _fag ,_gce :=_aaa .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_gce &&*_fag =="\u0058\u0052\u0065\u0066"{return nil ;};};_cebc :=_fcg .ObjectNumber ;_bceg :=_fcg .GenerationNumber ;_dgd .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_cebc ,_bceg );
_bcg :=_gcbb ;if _cfdg ._eed .V >=4{_bcg =_cfdg ._fe ;_dgd .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_cfdg ._fe );if _ddfb ,_aded :=_aaa .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_aded {if _dff ,_cad :=GetName (_ddfb .Get (0));_cad {if *_dff =="\u0043\u0072\u0079p\u0074"{_bcg ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _fbeb ,_cgge :=_aaa .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_cgge {if _ece ,_aff :=_fbeb .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_aff {if _ ,_eafb :=_cfdg ._bdc [string (*_ece )];_eafb {_dgd .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_ece );
_bcg =string (*_ece );};};};};};};_dgd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_bcg );if _bcg =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_eda :=_cfdg .Decrypt (_aaa ,_cebc ,_bceg );
if _eda !=nil {return _eda ;};_eceg ,_eda :=_cfdg .makeKey (_bcg ,uint32 (_cebc ),uint32 (_bceg ),_cfdg ._bcf );if _eda !=nil {return _eda ;};_fcg .Stream ,_eda =_cfdg .decryptBytes (_fcg .Stream ,_bcg ,_eceg );if _eda !=nil {return _eda ;};_aaa .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_fcg .Stream ))));
return nil ;case *PdfObjectString :_dgd .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_ebca :=_gcbb ;if _cfdg ._eed .V >=4{_dgd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_cfdg ._bgf );
if _cfdg ._bgf =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_ebca =_cfdg ._bgf ;};_edfg ,_ebb :=_cfdg .makeKey (_ebca ,uint32 (parentObjNum ),uint32 (parentGenNum ),_cfdg ._bcf );if _ebb !=nil {return _ebb ;};_edd :=_fcg .Str ();_gd :=make ([]byte ,len (_edd ));
for _dcc :=0;_dcc < len (_edd );_dcc ++{_gd [_dcc ]=_edd [_dcc ];};_dgd .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_gd ,_gd );_gd ,_ebb =_cfdg .decryptBytes (_gd ,_ebca ,_edfg );
if _ebb !=nil {return _ebb ;};_fcg ._bagfd =string (_gd );return nil ;case *PdfObjectArray :for _ ,_bdcc :=range _fcg .Elements (){_bdac :=_cfdg .Decrypt (_bdcc ,parentObjNum ,parentGenNum );if _bdac !=nil {return _bdac ;};};return nil ;case *PdfObjectDictionary :_bacg :=false ;
if _eac :=_fcg .Get ("\u0054\u0079\u0070\u0065");_eac !=nil {_ebf ,_gfa :=_eac .(*PdfObjectName );if _gfa &&*_ebf =="\u0053\u0069\u0067"{_bacg =true ;};};for _ ,_beg :=range _fcg .Keys (){_fbgc :=_fcg .Get (_beg );if _bacg &&string (_beg )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;
};if string (_beg )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_beg )!="\u0050\u0072\u0065\u0076"&&string (_beg )!="\u004c\u0061\u0073\u0074"{_gec :=_cfdg .Decrypt (_fbgc ,parentObjNum ,parentGenNum );if _gec !=nil {return _gec ;};};};return nil ;
};return nil ;};func (_geb *ASCII85Encoder )base256Tobase85 (_gcccc uint32 )[5]byte {_edbe :=[5]byte {0,0,0,0,0};_acbff :=_gcccc ;for _fafeg :=0;_fafeg < 5;_fafeg ++{_feag :=uint32 (1);for _deff :=0;_deff < 4-_fafeg ;_deff ++{_feag *=85;};_gbec :=_acbff /_feag ;
_acbff =_acbff %_feag ;_edbe [_fafeg ]=byte (_gbec );};return _edbe ;};

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

// SetImage sets the image base for given flate encoder.
func (_badf *FlateEncoder )SetImage (img *_fg .ImageBase ){_badf ._bfg =img };func (_caag *PdfParser )parseObject ()(PdfObject ,error ){_dgd .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");_caag .skipSpaces ();
for {_cadf ,_adca :=_caag ._abggd .Peek (2);if _adca !=nil {if _adca !=_dd .EOF ||len (_cadf )==0{return nil ,_adca ;};if len (_cadf )==1{_cadf =append (_cadf ,' ');};};_dgd .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_cadf ));
if _cadf [0]=='/'{_fcdg ,_ebe :=_caag .parseName ();_dgd .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_fcdg );return &_fcdg ,_ebe ;}else if _cadf [0]=='('{_dgd .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");
_bbfc ,_aab :=_caag .parseString ();return _bbfc ,_aab ;}else if _cadf [0]=='['{_dgd .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");_fcgb ,_acea :=_caag .parseArray ();return _fcgb ,_acea ;}else if (_cadf [0]=='<')&&(_cadf [1]=='<'){_dgd .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");
_agga ,_dgcd :=_caag .ParseDict ();return _agga ,_dgcd ;}else if _cadf [0]=='<'{_dgd .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");_gbcd ,_gfad :=_caag .parseHexString ();return _gbcd ,_gfad ;}else if _cadf [0]=='%'{_caag .readComment ();
_caag .skipSpaces ();}else {_dgd .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_cadf ,_ =_caag ._abggd .Peek (15);_bdcb :=string (_cadf );_dgd .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_bdcb );
if (len (_bdcb )> 3)&&(_bdcb [:4]=="\u006e\u0075\u006c\u006c"){_dcdb ,_ggb :=_caag .parseNull ();return &_dcdb ,_ggb ;}else if (len (_bdcb )> 4)&&(_bdcb [:5]=="\u0066\u0061\u006cs\u0065"){_ebdbe ,_gaga :=_caag .parseBool ();return &_ebdbe ,_gaga ;}else if (len (_bdcb )> 3)&&(_bdcb [:4]=="\u0074\u0072\u0075\u0065"){_bdaa ,_bedd :=_caag .parseBool ();
return &_bdaa ,_bedd ;};_babg :=_cgd .FindStringSubmatch (_bdcb );if len (_babg )> 1{_cadf ,_ =_caag ._abggd .ReadBytes ('R');_dgd .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_cadf [:]));_bebg ,_ecbf :=_efdd (string (_cadf ));
_bebg ._cbgeg =_caag ;return &_bebg ,_ecbf ;};_gagfa :=_gbde .FindStringSubmatch (_bdcb );if len (_gagfa )> 1{_dgd .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");_ggba ,_ecga :=_caag .parseNumber ();return _ggba ,_ecga ;};
_gagfa =_aaee .FindStringSubmatch (_bdcb );if len (_gagfa )> 1{_dgd .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");_dgd .Log .Trace ("\u0025\u0020\u0073",_gagfa );_bgcg ,_adfc :=_caag .parseNumber ();
return _bgcg ,_adfc ;};_dgd .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_bdcb );return nil ,_c .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");
};};};

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

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

// 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 )(_dccde *PdfObjectArray ,_aedac bool ){_dccde ,_aedac =TraceToDirectObject (obj ).(*PdfObjectArray );return _dccde ,_aedac ;};

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

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

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

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

// 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 ;_gda *_fa .Document ;

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

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

// ParseNumber parses a numeric objects from a buffered stream.
// Section 7.3.3.
// Integer or Float.
//
// An integer shall be written as one or more decimal digits optionally
// preceded by a sign. The value shall be interpreted as a signed
// decimal integer and shall be converted to an integer object.
//
// A real value shall be written as one or more decimal digits with an
// optional sign and a leading, trailing, or embedded PERIOD (2Eh)
// (decimal point). The value shall be interpreted as a real number
// and shall be converted to a real object.
//
// Regarding exponential numbers: 7.3.3 Numeric Objects:
// A conforming writer shall not use the PostScript syntax for numbers
// with non-decimal radices (such as 16#FFFE) or in exponential format
// (such as 6.02E23).
// Nonetheless, we sometimes get numbers with exponential format, so
// we will support it in the reader (no confusion with other types, so
// no compromise).
func ParseNumber (buf *_ae .Reader )(PdfObject ,error ){_gaeec :=false ;_afgf :=true ;var _acge _ga .Buffer ;for {if _dgd .Log .IsLogLevel (_dgd .LogLevelTrace ){_dgd .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_acge .String ());
};_faeg ,_dabf :=buf .Peek (1);if _dabf ==_dd .EOF {break ;};if _dabf !=nil {_dgd .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_dabf );return nil ,_dabf ;};if _afgf &&(_faeg [0]=='-'||_faeg [0]=='+'){_ggccb ,_ :=buf .ReadByte ();_acge .WriteByte (_ggccb );
_afgf =false ;}else if IsDecimalDigit (_faeg [0]){_cbdca ,_ :=buf .ReadByte ();_acge .WriteByte (_cbdca );}else if _faeg [0]=='.'{_adbde ,_ :=buf .ReadByte ();_acge .WriteByte (_adbde );_gaeec =true ;}else if _faeg [0]=='e'||_faeg [0]=='E'{_dccc ,_ :=buf .ReadByte ();
_acge .WriteByte (_dccc );_gaeec =true ;_afgf =true ;}else {break ;};};var _agfe PdfObject ;if _gaeec {_gdcb ,_gcae :=_cf .ParseFloat (_acge .String (),64);if _gcae !=nil {_dgd .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",_acge .String (),_gcae );
_gdcb =0.0;};_ddgg :=PdfObjectFloat (_gdcb );_agfe =&_ddgg ;}else {_abdf ,_fggc :=_cf .ParseInt (_acge .String (),10,64);if _fggc !=nil {_dgd .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",_acge .String (),_fggc );
_abdf =0;};_dea :=PdfObjectInteger (_abdf );_agfe =&_dea ;};return _agfe ,nil ;};

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

// ResolveReference resolves reference if `o` is a *PdfObjectReference and returns the object referenced to.
// Otherwise returns back `o`.
func ResolveReference (obj PdfObject )PdfObject {if _bafeg ,_gedb :=obj .(*PdfObjectReference );_gedb {return _bafeg .Resolve ();};return obj ;};func (_agg *PdfParser )skipSpaces ()(int ,error ){_dbeb :=0;for {_fgcc ,_fdaa :=_agg ._abggd .ReadByte ();if _fdaa !=nil {return 0,_fdaa ;
};if IsWhiteSpace (_fgcc ){_dbeb ++;}else {_agg ._abggd .UnreadByte ();break ;};};return _dbeb ,nil ;};

// EncodeImage encodes 'img' golang image.Image into jbig2 encoded bytes document using default encoder settings.
func (_ddag *JBIG2Encoder )EncodeImage (img _ab .Image )([]byte ,error ){return _ddag .encodeImage (img )};func _cada (_aga *PdfObjectStream ,_fdb *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_bga :=NewCCITTFaxEncoder ();_cdda :=_aga .PdfObjectDictionary ;
if _cdda ==nil {return _bga ,nil ;};if _fdb ==nil {_ccc :=TraceToDirectObject (_cdda .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _ccc !=nil {switch _abda :=_ccc .(type ){case *PdfObjectDictionary :_fdb =_abda ;case *PdfObjectArray :if _abda .Len ()==1{if _abdce ,_fddd :=GetDict (_abda .Get (0));
_fddd {_fdb =_abdce ;};};default:_dgd .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",_ccc );return nil ,_c .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
};};if _fdb ==nil {_dgd .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",_ccc );return nil ,_c .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
};};if _agaa ,_ebge :=GetNumberAsInt64 (_fdb .Get ("\u004b"));_ebge ==nil {_bga .K =int (_agaa );};if _ecfa ,_ccfg :=GetNumberAsInt64 (_fdb .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));_ccfg ==nil {_bga .Columns =int (_ecfa );}else {_bga .Columns =1728;
};if _fedc ,_caaa :=GetNumberAsInt64 (_fdb .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_caaa ==nil {_bga .BlackIs1 =_fedc > 0;}else {if _dfec ,_age :=GetBoolVal (_fdb .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_age {_bga .BlackIs1 =_dfec ;
}else {if _cfee ,_gabd :=GetArray (_fdb .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_gabd {_cddf ,_agef :=_cfee .ToIntegerArray ();if _agef ==nil {_bga .BlackIs1 =_cddf [0]==1&&_cddf [1]==0;};};};};if _dgegc ,_fcef :=GetNumberAsInt64 (_fdb .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_fcef ==nil {_bga .EncodedByteAlign =_dgegc > 0;}else {if _bfge ,_dcea :=GetBoolVal (_fdb .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_dcea {_bga .EncodedByteAlign =_bfge ;};};if _fdfc ,_dag :=GetNumberAsInt64 (_fdb .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_dag ==nil {_bga .EndOfLine =_fdfc > 0;}else {if _fafaa ,_beed :=GetBoolVal (_fdb .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_beed {_bga .EndOfLine =_fafaa ;};};if _abgg ,_fdfg :=GetNumberAsInt64 (_fdb .Get ("\u0052\u006f\u0077\u0073"));_fdfg ==nil {_bga .Rows =int (_abgg );
};_bga .EndOfBlock =true ;if _cdgb ,_fdffc :=GetNumberAsInt64 (_fdb .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_fdffc ==nil {_bga .EndOfBlock =_cdgb > 0;}else {if _gegd ,_faca :=GetBoolVal (_fdb .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_faca {_bga .EndOfBlock =_gegd ;};};if _fda ,_bfbf :=GetNumberAsInt64 (_fdb .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_bfbf !=nil {_bga .DamagedRowsBeforeError =int (_fda );
};_dgd .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_fdb .String ());return _bga ,nil ;};func _ccbab (_dgfe int )int {if _dgfe < 0{return -_dgfe ;};return _dgfe ;};

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

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

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

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

// 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 (_bgfe *PdfParser )IsEncrypted ()(bool ,error ){if _bgfe ._bdeg !=nil {return true ,nil ;}else if _bgfe ._adagf ==nil {return false ,nil ;};_dgd .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");
_cfdge :=_bgfe ._adagf .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _cfdge ==nil {return false ,nil ;};_dgd .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_fdec *PdfObjectDictionary ;);switch _cadb :=_cfdge .(type ){case *PdfObjectDictionary :_fdec =_cadb ;
case *PdfObjectReference :_dgd .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_cadb );_aggc ,_beag :=_bgfe .LookupByReference (*_cadb );_dgd .Log .Trace ("\u0031\u003a\u0020%\u0071",_aggc );
if _beag !=nil {return false ,_beag ;};_ffce ,_bead :=_aggc .(*PdfIndirectObject );if !_bead {_dgd .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 ,_c .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_ccdea ,_bead :=_ffce .PdfObject .(*PdfObjectDictionary );_dgd .Log .Trace ("\u0032\u003a\u0020%\u0071",_ccdea );if !_bead {return false ,_c .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");
};_fdec =_ccdea ;case *PdfObjectNull :_dgd .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 ,_ag .Errorf ("u\u006es\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0074\u0079\u0070\u0065: \u0025\u0054",_cadb );};_bgaf ,_abefg :=PdfCryptNewDecrypt (_bgfe ,_fdec ,_bgfe ._adagf );if _abefg !=nil {return false ,_abefg ;
};for _ ,_bfaf :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_bfcg :=_bgfe ._adagf .Get (PdfObjectName (_bfaf ));if _bfcg ==nil {continue ;};switch _bafg :=_bfcg .(type ){case *PdfObjectReference :_bgaf ._eea [int (_bafg .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_bgaf ._fbg [_bafg ]=true ;_bgaf ._eea [int (_bafg .ObjectNumber )]=struct{}{};};};_bgfe ._bdeg =_bgaf ;_dgd .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_bgaf );
return true ,nil ;};

// DecodeStream decodes a DCT encoded stream and returns the result as a
// slice of bytes.
func (_cbdf *DCTEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _cbdf .DecodeBytes (streamObj .Stream );};func (_aedc *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_aedc ._agd .Seek (0,_dd .SeekStart );_aedc ._abggd =_ae .NewReader (_aedc ._agd );
_ageg :=20;_efee :=make ([]byte ,_ageg );for {_dged ,_egbd :=_aedc ._abggd .ReadByte ();if _egbd !=nil {if _egbd ==_dd .EOF {break ;}else {return 0,0,_egbd ;};};if IsDecimalDigit (_dged )&&_efee [_ageg -1]=='.'&&IsDecimalDigit (_efee [_ageg -2])&&_efee [_ageg -3]=='-'&&_efee [_ageg -4]=='F'&&_efee [_ageg -5]=='D'&&_efee [_ageg -6]=='P'{_gcefd :=int (_efee [_ageg -2]-'0');
_faec :=int (_dged -'0');return _gcefd ,_faec ,nil ;};_efee =append (_efee [1:_ageg ],_dged );};return 0,0,_c .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};

// RegisterCustomStreamEncoder register a custom encoder handler for certain filter.
func RegisterCustomStreamEncoder (filterName string ,customStreamEncoder StreamEncoder ){_cfgc .Store (filterName ,customStreamEncoder );};func _abdd (_feef *PdfObjectStream )(*MultiEncoder ,error ){_fgff :=NewMultiEncoder ();_gfb :=_feef .PdfObjectDictionary ;
if _gfb ==nil {return _fgff ,nil ;};var _cdge *PdfObjectDictionary ;var _facg []PdfObject ;_gdgg :=_gfb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _gdgg !=nil {_eeag ,_dfcg :=_gdgg .(*PdfObjectDictionary );if _dfcg {_cdge =_eeag ;
};_acgba ,_fcae :=_gdgg .(*PdfObjectArray );if _fcae {for _ ,_gfae :=range _acgba .Elements (){_gfae =TraceToDirectObject (_gfae );if _bcef ,_gbag :=_gfae .(*PdfObjectDictionary );_gbag {_facg =append (_facg ,_bcef );}else {_facg =append (_facg ,MakeDict ());
};};};};_gdgg =_gfb .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");if _gdgg ==nil {return nil ,_ag .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");};_bbcf ,_aee :=_gdgg .(*PdfObjectArray );if !_aee {return nil ,_ag .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 _bbfe ,_efg :=range _bbcf .Elements (){_gbf ,_eddc :=_efg .(*PdfObjectName );if !_eddc {return nil ,_ag .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 _bbcfa PdfObject ;if _cdge !=nil {_bbcfa =_cdge ;}else {if len (_facg )> 0{if _bbfe >=len (_facg ){return nil ,_ag .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");
};_bbcfa =_facg [_bbfe ];};};var _bgee *PdfObjectDictionary ;if _cfaf ,_aafd :=_bbcfa .(*PdfObjectDictionary );_aafd {_bgee =_cfaf ;};_dgd .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",*_gbf ,_bbcfa ,_bgee );
if *_gbf ==StreamEncodingFilterNameFlate {_degg ,_gcbe :=_ebdbf (_feef ,_bgee );if _gcbe !=nil {return nil ,_gcbe ;};_fgff .AddEncoder (_degg );}else if *_gbf ==StreamEncodingFilterNameLZW {_acda ,_cgaf :=_bece (_feef ,_bgee );if _cgaf !=nil {return nil ,_cgaf ;
};_fgff .AddEncoder (_acda );}else if *_gbf ==StreamEncodingFilterNameASCIIHex {_gabaf :=NewASCIIHexEncoder ();_fgff .AddEncoder (_gabaf );}else if *_gbf ==StreamEncodingFilterNameASCII85 {_adad :=NewASCII85Encoder ();_fgff .AddEncoder (_adad );}else if *_gbf ==StreamEncodingFilterNameDCT {_bege ,_dca :=_ebgf (_feef ,_fgff );
if _dca !=nil {return nil ,_dca ;};_fgff .AddEncoder (_bege );_dgd .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_dgd .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_fgff );
}else {_dgd .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_gbf );return nil ,_ag .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 _fgff ,nil ;};func (_ddbd *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_cdfcf :=_ddbd ._abggd .Discard (4);return PdfObjectNull {},_cdfcf ;};func _badff (_cgcg ,_gffc ,_cbfc uint8 )uint8 {_bgfbc :=int (_cbfc );_bbef :=int (_gffc )-_bgfbc ;
_agca :=int (_cgcg )-_bgfbc ;_bgfbc =_bea (_bbef +_agca );_bbef =_bea (_bbef );_agca =_bea (_agca );if _bbef <=_agca &&_bbef <=_bgfbc {return _cgcg ;}else if _agca <=_bgfbc {return _gffc ;};return _cbfc ;};var _fefb =_eg .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");


// 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 )(_cfaef *PdfObjectString ,_ddcbb bool ){_cfaef ,_ddcbb =TraceToDirectObject (obj ).(*PdfObjectString );return _cfaef ,_ddcbb ;};

// Set sets the PdfObject at index i of the array. An error is returned if the index is outside bounds.
func (_ageb *PdfObjectArray )Set (i int ,obj PdfObject )error {if i < 0||i >=len (_ageb ._egdd ){return _c .New ("\u006f\u0075\u0074\u0073\u0069\u0064\u0065\u0020\u0062o\u0075\u006e\u0064\u0073");};_ageb ._egdd [i ]=obj ;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 )(_daeb int ,_beedb bool ){_baagc ,_beedb :=TraceToDirectObject (obj ).(*PdfObjectInteger );if _beedb &&_baagc !=nil {return int (*_baagc ),true ;};return 0,false ;};

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

// GetBoolVal returns the bool value within a *PdObjectBool represented by an PdfObject interface directly or indirectly.
// If the PdfObject does not represent a bool value, a default value of false is returned (found = false also).
func GetBoolVal (obj PdfObject )(_adcbg bool ,_ebbb bool ){_egefb ,_ebbb :=TraceToDirectObject (obj ).(*PdfObjectBool );if _ebbb {return bool (*_egefb ),true ;};return false ,false ;};func _abdc (_cde XrefTable ){_dgd .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");
_dgd .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_fgb :=0;for _ ,_egee :=range _cde .ObjectMap {_dgd .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",_fgb +1,_egee .ObjectNumber ,_egee .Generation ,_egee .Offset );
_fgb ++;};};func (_ebbf *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_ebbf ._abggd )};

// 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 )(_baaa *PdfObjectBool ,_defd bool ){_baaa ,_defd =TraceToDirectObject (obj ).(*PdfObjectBool );return _baaa ,_defd ;};

// PdfObjectName represents the primitive PDF name object.
type PdfObjectName string ;const (DefaultJPEGQuality =75;);

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

// 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 (_fddcc *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _degge []int64 ;for _ ,_ffbg :=range _fddcc .Elements (){if _ebga ,_fdea :=_ffbg .(*PdfObjectInteger );_fdea {_degge =append (_degge ,int64 (*_ebga ));}else {return nil ,ErrTypeError ;};
};return _degge ,nil ;};

// MakeFloat creates an PdfObjectFloat from a float64.
func MakeFloat (val float64 )*PdfObjectFloat {_eaaa :=PdfObjectFloat (val );return &_eaaa };var _efaab =_eg .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");

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

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

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

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

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

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_edea *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _beda _ab .Image ;if _edea .ColorComponents ==1&&_edea .BitsPerComponent ==8{_beda =&_ab .Gray {Rect :_ab .Rect (0,0,_edea .Width ,_edea .Height ),Pix :data ,Stride :_fg .BytesPerLine (_edea .Width ,_edea .BitsPerComponent ,_edea .ColorComponents )};
}else {var _dacf error ;_beda ,_dacf =_fg .NewImage (_edea .Width ,_edea .Height ,_edea .BitsPerComponent ,_edea .ColorComponents ,data ,nil ,nil );if _dacf !=nil {return nil ,_dacf ;};};_accga :=_f .Options {};_accga .Quality =_edea .Quality ;var _bede _ga .Buffer ;
if _baac :=_f .Encode (&_bede ,_beda ,&_accga );_baac !=nil {return nil ,_baac ;};return _bede .Bytes (),nil ;};

// PdfObjectInteger represents the primitive PDF integer numerical object.
type PdfObjectInteger int64 ;func (_bgff *PdfParser )xrefNextObjectOffset (_cabea int64 )int64 {_fegg :=int64 (0);if len (_bgff ._adfbf .ObjectMap )==0{return 0;};if len (_bgff ._adfbf ._ea )==0{_efcd :=0;for _ ,_adab :=range _bgff ._adfbf .ObjectMap {if _adab .Offset > 0{_efcd ++;
};};if _efcd ==0{return 0;};_bgff ._adfbf ._ea =make ([]XrefObject ,_efcd );_fdba :=0;for _ ,_bccc :=range _bgff ._adfbf .ObjectMap {if _bccc .Offset > 0{_bgff ._adfbf ._ea [_fdba ]=_bccc ;_fdba ++;};};_g .Slice (_bgff ._adfbf ._ea ,func (_gdec ,_gcba int )bool {return _bgff ._adfbf ._ea [_gdec ].Offset < _bgff ._adfbf ._ea [_gcba ].Offset });
};_gfbaf :=_g .Search (len (_bgff ._adfbf ._ea ),func (_ecdfe int )bool {return _bgff ._adfbf ._ea [_ecdfe ].Offset >=_cabea });if _gfbaf < len (_bgff ._adfbf ._ea ){_fegg =_bgff ._adfbf ._ea [_gfbaf ].Offset ;};return _fegg ;};

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

// 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 )(_dfga *PdfObjectStreams ,_bbccb bool ){_dfga ,_bbccb =obj .(*PdfObjectStreams );return _dfga ,_bbccb ;};

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

// UpdateParams updates the parameter values of the encoder.
func (_gbeg *MultiEncoder )UpdateParams (params *PdfObjectDictionary ){for _ ,_cdgf :=range _gbeg ._bcag {_cdgf .UpdateParams (params );};};func _efdg (_fadce _fg .Image )*JBIG2Image {_aafe :=_fadce .Base ();return &JBIG2Image {Data :_aafe .Data ,Width :_aafe .Width ,Height :_aafe .Height ,HasPadding :true };
};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_gccc *ASCIIHexEncoder )MakeStreamDict ()*PdfObjectDictionary {_bacc :=MakeDict ();_bacc .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_gccc .GetFilterName ()));return _bacc ;};func (_fgbfa *PdfParser )rebuildXrefTable ()error {_bdcge :=XrefTable {};
_bdcge .ObjectMap =map[int ]XrefObject {};_bdead :=make ([]int ,0,len (_fgbfa ._adfbf .ObjectMap ));for _bddf :=range _fgbfa ._adfbf .ObjectMap {_bdead =append (_bdead ,_bddf );};_g .Ints (_bdead );for _ ,_cbccb :=range _bdead {_eafd :=_fgbfa ._adfbf .ObjectMap [_cbccb ];
_dgda ,_ ,_fbdc :=_fgbfa .lookupByNumberWrapper (_cbccb ,false );if _fbdc !=nil {_dgd .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",_fbdc );
_dgd .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");
_dafce ,_fbbc :=_fgbfa .repairRebuildXrefsTopDown ();if _fbbc !=nil {_dgd .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",_fbbc );
return _fbbc ;};_fgbfa ._adfbf =*_dafce ;_dgd .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_agdcc ,_bfga ,_fbdc :=_ace (_dgda );if _fbdc !=nil {return _fbdc ;
};_eafd .ObjectNumber =int (_agdcc );_eafd .Generation =int (_bfga );_bdcge .ObjectMap [int (_agdcc )]=_eafd ;};_fgbfa ._adfbf =_bdcge ;_dgd .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");
_abdc (_fgbfa ._adfbf );return nil ;};

// CheckAccessRights checks access rights and permissions for a specified password. If either user/owner password is
// specified, full rights are granted, otherwise the access rights are specified by the Permissions flag.
//
// The bool flag indicates that the user can access and view the file.
// The AccessPermissions shows what access the user has for editing etc.
// An error is returned if there was a problem performing the authentication.
func (_bcfb *PdfParser )CheckAccessRights (password []byte )(bool ,_abf .Permissions ,error ){if _bcfb ._bdeg ==nil {return true ,_abf .PermOwner ,nil ;};return _bcfb ._bdeg .checkAccessRights (password );};func (_gbeb *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_gbeb ._adfbf .ObjectMap =make (map[int ]XrefObject );
_gbeb ._caed =make (objectStreams );_edbf ,_babag :=_gbeb ._agd .Seek (0,_dd .SeekEnd );if _babag !=nil {return nil ,_babag ;};_dgd .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_edbf );_gbeb ._beeb =_edbf ;_babag =_gbeb .seekToEOFMarker (_edbf );
if _babag !=nil {_dgd .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",_babag );return nil ,_babag ;};_cfca ,_babag :=_gbeb ._agd .Seek (0,_dd .SeekCurrent );
if _babag !=nil {return nil ,_babag ;};var _efcc int64 =64;_egda :=_cfca -_efcc ;if _egda < 0{_egda =0;};_ ,_babag =_gbeb ._agd .Seek (_egda ,_dd .SeekStart );if _babag !=nil {return nil ,_babag ;};_bbeb :=make ([]byte ,_efcc );_ ,_babag =_gbeb ._agd .Read (_bbeb );
if _babag !=nil {_dgd .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",_babag );
return nil ,_babag ;};_bafc :=_cdabf .FindStringSubmatch (string (_bbeb ));if len (_bafc )< 2{_dgd .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 ,_c .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};if len (_bafc )> 2{_dgd .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",_bbeb );
return nil ,_c .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");};_aecgg ,_ :=_cf .ParseInt (_bafc [1],10,64);_dgd .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_aecgg );
if _aecgg > _edbf {_dgd .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");_dgd .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");
_aecgg ,_babag =_gbeb .repairLocateXref ();if _babag !=nil {_dgd .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 ,_babag ;};};_gbeb ._agd .Seek (_aecgg ,_dd .SeekStart );_gbeb ._abggd =_ae .NewReader (_gbeb ._agd );_bacgg ,_babag :=_gbeb .parseXref ();if _babag !=nil {return nil ,_babag ;};_bdcfa :=_bacgg .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");
if _bdcfa !=nil {_bfed ,_ddcb :=_bdcfa .(*PdfObjectInteger );if !_ddcb {return nil ,_c .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_babag =_gbeb .parseXrefStream (_bfed );if _babag !=nil {return nil ,_babag ;
};};var _fabf []int64 ;_ebec :=func (_bfaa int64 ,_dbee []int64 )bool {for _ ,_aeba :=range _dbee {if _aeba ==_bfaa {return true ;};};return false ;};_bdcfa =_bacgg .Get ("\u0050\u0072\u0065\u0076");for _bdcfa !=nil {_adaad ,_cdec :=_bdcfa .(*PdfObjectInteger );
if !_cdec {_dgd .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",_bdcfa );
return _bacgg ,nil ;};_baae :=*_adaad ;_dgd .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",_baae );_gbeb ._agd .Seek (int64 (_baae ),_dd .SeekStart );
_gbeb ._abggd =_ae .NewReader (_gbeb ._agd );_gbgf ,_dafgg :=_gbeb .parseXref ();if _dafgg !=nil {_dgd .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");
_dgd .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 ;};_bdcfa =_gbgf .Get ("\u0050\u0072\u0065\u0076");
if _bdcfa !=nil {_efeg :=*(_bdcfa .(*PdfObjectInteger ));if _ebec (int64 (_efeg ),_fabf ){_dgd .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 ;};_fabf =append (_fabf ,int64 (_efeg ));};};return _bacgg ,nil ;};

// 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 =='.'};

// String returns a descriptive information string about the encryption method used.
func (_bag *PdfCrypt )String ()string {if _bag ==nil {return "";};_fea :=_bag ._eed .Filter +"\u0020\u002d\u0020";if _bag ._eed .V ==0{_fea +="\u0055\u006e\u0064\u006fcu\u006d\u0065\u006e\u0074\u0065\u0064\u0020\u0061\u006c\u0067\u006f\u0072\u0069\u0074h\u006d";
}else if _bag ._eed .V ==1{_fea +="\u0052\u0043\u0034:\u0020\u0034\u0030\u0020\u0062\u0069\u0074\u0073";}else if _bag ._eed .V ==2{_fea +=_ag .Sprintf ("\u0052\u0043\u0034:\u0020\u0025\u0064\u0020\u0062\u0069\u0074\u0073",_bag ._eed .Length );}else if _bag ._eed .V ==3{_fea +="U\u006e\u0070\u0075\u0062li\u0073h\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d";
}else if _bag ._eed .V >=4{_fea +=_ag .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",_bag ._fe ,_bag ._bgf );
_fea +="\u003b\u0020C\u0072\u0079\u0070t\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0073\u003a";for _ca ,_ecb :=range _bag ._bdc {_fea +=_ag .Sprintf ("\u0020\u002d\u0020\u0025\u0073\u003a\u0020\u0025\u0073 \u0028\u0025\u0064\u0029",_ca ,_ecb .Name (),_ecb .KeyLength ());
};};_ef :=_bag .GetAccessPermissions ();_fea +=_ag .Sprintf ("\u0020\u002d\u0020\u0025\u0023\u0076",_ef );return _fea ;};func _ebgf (_egf *PdfObjectStream ,_egeg *MultiEncoder )(*DCTEncoder ,error ){_dgc :=NewDCTEncoder ();_bfcf :=_egf .PdfObjectDictionary ;
if _bfcf ==nil {return _dgc ,nil ;};_eacg :=_egf .Stream ;if _egeg !=nil {_dec ,_egfe :=_egeg .DecodeBytes (_eacg );if _egfe !=nil {return nil ,_egfe ;};_eacg =_dec ;};_eebd :=_ga .NewReader (_eacg );_egaa ,_aeda :=_f .DecodeConfig (_eebd );if _aeda !=nil {_dgd .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_aeda );
return nil ,_aeda ;};switch _egaa .ColorModel {case _d .RGBAModel :_dgc .BitsPerComponent =8;_dgc .ColorComponents =3;case _d .RGBA64Model :_dgc .BitsPerComponent =16;_dgc .ColorComponents =3;case _d .GrayModel :_dgc .BitsPerComponent =8;_dgc .ColorComponents =1;
case _d .Gray16Model :_dgc .BitsPerComponent =16;_dgc .ColorComponents =1;case _d .CMYKModel :_dgc .BitsPerComponent =8;_dgc .ColorComponents =4;case _d .YCbCrModel :_dgc .BitsPerComponent =8;_dgc .ColorComponents =3;default:return nil ,_c .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_dgc .Width =_egaa .Width ;_dgc .Height =_egaa .Height ;_dgd .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_dgc );_dgc .Quality =DefaultJPEGQuality ;return _dgc ,nil ;};

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_bafa *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_cdfcg :=_ga .NewReader (encoded );_gbac ,_fdee :=_f .Decode (_cdfcg );if _fdee !=nil {_dgd .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_fdee );
return nil ,_fdee ;};_gfac :=_gbac .Bounds ();var _ebfa =make ([]byte ,_gfac .Dx ()*_gfac .Dy ()*_bafa .ColorComponents *_bafa .BitsPerComponent /8);_bfad :=0;for _dgfb :=_gfac .Min .Y ;_dgfb < _gfac .Max .Y ;_dgfb ++{for _cce :=_gfac .Min .X ;_cce < _gfac .Max .X ;
_cce ++{_gega :=_gbac .At (_cce ,_dgfb );if _bafa .ColorComponents ==1{if _bafa .BitsPerComponent ==16{_cbbf ,_dac :=_gega .(_d .Gray16 );if !_dac {return nil ,_c .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_ebfa [_bfad ]=byte ((_cbbf .Y >>8)&0xff);_bfad ++;_ebfa [_bfad ]=byte (_cbbf .Y &0xff);_bfad ++;}else {_cag ,_feb :=_gega .(_d .Gray );if !_feb {return nil ,_c .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_ebfa [_bfad ]=_cag .Y &0xff;_bfad ++;};}else if _bafa .ColorComponents ==3{if _bafa .BitsPerComponent ==16{_dgfc ,_fcbd :=_gega .(_d .RGBA64 );if !_fcbd {return nil ,_c .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_ebfa [_bfad ]=byte ((_dgfc .R >>8)&0xff);_bfad ++;_ebfa [_bfad ]=byte (_dgfc .R &0xff);_bfad ++;_ebfa [_bfad ]=byte ((_dgfc .G >>8)&0xff);_bfad ++;_ebfa [_bfad ]=byte (_dgfc .G &0xff);_bfad ++;_ebfa [_bfad ]=byte ((_dgfc .B >>8)&0xff);_bfad ++;_ebfa [_bfad ]=byte (_dgfc .B &0xff);
_bfad ++;}else {_cga ,_gcc :=_gega .(_d .RGBA );if _gcc {_ebfa [_bfad ]=_cga .R &0xff;_bfad ++;_ebfa [_bfad ]=_cga .G &0xff;_bfad ++;_ebfa [_bfad ]=_cga .B &0xff;_bfad ++;}else {_bfffc ,_fadg :=_gega .(_d .YCbCr );if !_fadg {return nil ,_c .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_ecgg ,_caf ,_adeb ,_ :=_bfffc .RGBA ();_ebfa [_bfad ]=byte (_ecgg >>8);_bfad ++;_ebfa [_bfad ]=byte (_caf >>8);_bfad ++;_ebfa [_bfad ]=byte (_adeb >>8);_bfad ++;};};}else if _bafa .ColorComponents ==4{_egdg ,_febb :=_gega .(_d .CMYK );if !_febb {return nil ,_c .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_ebfa [_bfad ]=255-_egdg .C &0xff;_bfad ++;_ebfa [_bfad ]=255-_egdg .M &0xff;_bfad ++;_ebfa [_bfad ]=255-_egdg .Y &0xff;_bfad ++;_ebfa [_bfad ]=255-_egdg .K &0xff;_bfad ++;};};};return _ebfa ,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 =='%';};

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_ebac *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_dgd .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_dgd .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_ebac .Predictor );
_aegb ,_dddg :=_ebac .DecodeBytes (streamObj .Stream );if _dddg !=nil {return nil ,_dddg ;};_dgd .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_dgd .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_aegb ),_aegb );
if _ebac .Predictor > 1{if _ebac .Predictor ==2{_dgd .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_dge :=_ebac .Columns *_ebac .Colors ;if _dge < 1{return []byte {},nil ;};_dggb :=len (_aegb )/_dge ;if len (_aegb )%_dge !=0{_dgd .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 ,_ag .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 (_aegb ),_dge );};if _dge %_ebac .Colors !=0{return nil ,_ag .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",_dge ,_ebac .Colors );
};if _dge > len (_aegb ){_dgd .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",_dge ,len (_aegb ));
return nil ,_c .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_dgd .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_aegb ),_aegb );
_gdcdb :=_ga .NewBuffer (nil );for _cfaec :=0;_cfaec < _dggb ;_cfaec ++{_ccfa :=_aegb [_dge *_cfaec :_dge *(_cfaec +1)];for _gbgb :=_ebac .Colors ;_gbgb < _dge ;_gbgb ++{_ccfa [_gbgb ]=byte (int (_ccfa [_gbgb ]+_ccfa [_gbgb -_ebac .Colors ])%256);};_gdcdb .Write (_ccfa );
};_aef :=_gdcdb .Bytes ();_dgd .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_aef ),_aef );return _aef ,nil ;}else if _ebac .Predictor >=10&&_ebac .Predictor <=15{_dgd .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_cbfd :=_ebac .Columns *_ebac .Colors +1;if _cbfd < 1{return []byte {},nil ;};_afa :=len (_aegb )/_cbfd ;if len (_aegb )%_cbfd !=0{return nil ,_ag .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 (_aegb ),_cbfd );
};if _cbfd > len (_aegb ){_dgd .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",_cbfd ,len (_aegb ));
return nil ,_c .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cgcd :=_ga .NewBuffer (nil );_dgd .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_ebac .Columns );
_dgd .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_aegb ),_cbfd ,_afa );_gcfe :=make ([]byte ,_cbfd );for _ffcfb :=0;_ffcfb < _cbfd ;_ffcfb ++{_gcfe [_ffcfb ]=0;
};for _geed :=0;_geed < _afa ;_geed ++{_abga :=_aegb [_cbfd *_geed :_cbfd *(_geed +1)];_ebdfe :=_abga [0];switch _ebdfe {case 0:case 1:for _afc :=2;_afc < _cbfd ;_afc ++{_abga [_afc ]=byte (int (_abga [_afc ]+_abga [_afc -1])%256);};case 2:for _adbf :=1;
_adbf < _cbfd ;_adbf ++{_abga [_adbf ]=byte (int (_abga [_adbf ]+_gcfe [_adbf ])%256);};default:_dgd .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",_ebdfe );
return nil ,_ag .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_ebdfe );};for _bgec :=0;_bgec < _cbfd ;_bgec ++{_gcfe [_bgec ]=_abga [_bgec ];};_cgcd .Write (_abga [1:]);
};_fce :=_cgcd .Bytes ();return _fce ,nil ;}else {_dgd .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",_ebac .Predictor );
return nil ,_ag .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",_ebac .Predictor );};};return _aegb ,nil ;};

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

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

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

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

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on the current encoder settings.
func (_abe *JBIG2Encoder )MakeDecodeParams ()PdfObject {return MakeDict ()};var _aaee =_eg .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");
func (_eebe *PdfCrypt )generateParams (_fdef ,_dddc []byte )error {_bgfbf :=_eebe .securityHandler ();_bgg ,_efe :=_bgfbf .GenerateParams (&_eebe ._fdg ,_dddc ,_fdef );if _efe !=nil {return _efe ;};_eebe ._bcf =_bgg ;return nil ;};

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

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

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

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_fgcb *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_bde :=_ga .NewReader (data );var _bdgfc []byte ;var _geeee []byte ;_dace ,_ecf :=_bde .ReadByte ();if _ecf ==_dd .EOF {return []byte {},nil ;}else if _ecf !=nil {return nil ,_ecf ;
};_dffb :=1;for {_eabf ,_eafbd :=_bde .ReadByte ();if _eafbd ==_dd .EOF {break ;}else if _eafbd !=nil {return nil ,_eafbd ;};if _eabf ==_dace {if len (_geeee )> 0{_geeee =_geeee [:len (_geeee )-1];if len (_geeee )> 0{_bdgfc =append (_bdgfc ,byte (len (_geeee )-1));
_bdgfc =append (_bdgfc ,_geeee ...);};_dffb =1;_geeee =[]byte {};};_dffb ++;if _dffb >=127{_bdgfc =append (_bdgfc ,byte (257-_dffb ),_dace );_dffb =0;};}else {if _dffb > 0{if _dffb ==1{_geeee =[]byte {_dace };}else {_bdgfc =append (_bdgfc ,byte (257-_dffb ),_dace );
};_dffb =0;};_geeee =append (_geeee ,_eabf );if len (_geeee )>=127{_bdgfc =append (_bdgfc ,byte (len (_geeee )-1));_bdgfc =append (_bdgfc ,_geeee ...);_geeee =[]byte {};};};_dace =_eabf ;};if len (_geeee )> 0{_bdgfc =append (_bdgfc ,byte (len (_geeee )-1));
_bdgfc =append (_bdgfc ,_geeee ...);}else if _dffb > 0{_bdgfc =append (_bdgfc ,byte (257-_dffb ),_dace );};_bdgfc =append (_bdgfc ,128);return _bdgfc ,nil ;};

// PdfObject is an interface which all primitive PDF objects must implement.
type PdfObject interface{

// String outputs a string representation of the primitive (for debugging).
String ()string ;

// WriteString outputs the PDF primitive as written to file as expected by the standard.
// TODO(dennwc): it should return a byte slice, or accept a writer
WriteString ()string ;};

// 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 (_gde *MultiEncoder )GetFilterName ()string {_gdbc :="";for _dcaf ,_aae :=range _gde ._bcag {_gdbc +=_aae .GetFilterName ();if _dcaf < len (_gde ._bcag )-1{_gdbc +="\u0020";};};return _gdbc ;};

// NewFlateEncoder makes a new flate encoder with default parameters, predictor 1 and bits per component 8.
func NewFlateEncoder ()*FlateEncoder {_baag :=&FlateEncoder {};_baag .Predictor =1;_baag .BitsPerComponent =8;_baag .Colors =1;_baag .Columns =1;return _baag ;};func (_bgb *PdfCrypt )isEncrypted (_gba PdfObject )bool {_ ,_ede :=_bgb ._eedf [_gba ];if _ede {_dgd .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};_dgd .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");return false ;};type objectCache map[int ]PdfObject ;var _ddba =_eg .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");


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

// 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 (_dga *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _dga .isEncrypted (obj ){return nil ;};switch _bbcb :=obj .(type ){case *PdfIndirectObject :_dga ._eedf [_bbcb ]=true ;_dgd .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",_bbcb .ObjectNumber ,_bbcb .GenerationNumber );
_fcgd :=_bbcb .ObjectNumber ;_ecc :=_bbcb .GenerationNumber ;_fdde :=_dga .Encrypt (_bbcb .PdfObject ,_fcgd ,_ecc );if _fdde !=nil {return _fdde ;};return nil ;case *PdfObjectStream :_dga ._eedf [_bbcb ]=true ;_bbec :=_bbcb .PdfObjectDictionary ;if _acbc ,_def :=_bbec .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_def &&*_acbc =="\u0058\u0052\u0065\u0066"{return nil ;};_cabee :=_bbcb .ObjectNumber ;_aeg :=_bbcb .GenerationNumber ;_dgd .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_cabee ,_aeg );
_fgbc :=_gcbb ;if _dga ._eed .V >=4{_fgbc =_dga ._fe ;_dgd .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_dga ._fe );if _daa ,_egd :=_bbec .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_egd {if _fgbe ,_deb :=GetName (_daa .Get (0));_deb {if *_fgbe =="\u0043\u0072\u0079p\u0074"{_fgbc ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _fcd ,_dfe :=_bbec .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_dfe {if _bfdb ,_efa :=_fcd .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_efa {if _ ,_gbc :=_dga ._bdc [string (*_bfdb )];_gbc {_dgd .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_bfdb );
_fgbc =string (*_bfdb );};};};};};};_dgd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_fgbc );if _fgbc =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_fefd :=_dga .Encrypt (_bbcb .PdfObjectDictionary ,_cabee ,_aeg );
if _fefd !=nil {return _fefd ;};_bcd ,_fefd :=_dga .makeKey (_fgbc ,uint32 (_cabee ),uint32 (_aeg ),_dga ._bcf );if _fefd !=nil {return _fefd ;};_bbcb .Stream ,_fefd =_dga .encryptBytes (_bbcb .Stream ,_fgbc ,_bcd );if _fefd !=nil {return _fefd ;};_bbec .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_bbcb .Stream ))));
return nil ;case *PdfObjectString :_dgd .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_egde :=_gcbb ;if _dga ._eed .V >=4{_dgd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_dga ._bgf );
if _dga ._bgf =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_egde =_dga ._bgf ;};_fbdf ,_cebce :=_dga .makeKey (_egde ,uint32 (parentObjNum ),uint32 (parentGenNum ),_dga ._bcf );if _cebce !=nil {return _cebce ;};_gedg :=_bbcb .Str ();
_aege :=make ([]byte ,len (_gedg ));for _fab :=0;_fab < len (_gedg );_fab ++{_aege [_fab ]=_gedg [_fab ];};_dgd .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_aege ,_aege );
_aege ,_cebce =_dga .encryptBytes (_aege ,_egde ,_fbdf );if _cebce !=nil {return _cebce ;};_bbcb ._bagfd =string (_aege );return nil ;case *PdfObjectArray :for _ ,_gdc :=range _bbcb .Elements (){_ebd :=_dga .Encrypt (_gdc ,parentObjNum ,parentGenNum );
if _ebd !=nil {return _ebd ;};};return nil ;case *PdfObjectDictionary :_ccda :=false ;if _fdff :=_bbcb .Get ("\u0054\u0079\u0070\u0065");_fdff !=nil {_aba ,_gdcd :=_fdff .(*PdfObjectName );if _gdcd &&*_aba =="\u0053\u0069\u0067"{_ccda =true ;};};for _ ,_cdd :=range _bbcb .Keys (){_cbb :=_bbcb .Get (_cdd );
if _ccda &&string (_cdd )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_cdd )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_cdd )!="\u0050\u0072\u0065\u0076"&&string (_cdd )!="\u004c\u0061\u0073\u0074"{_ebdf :=_dga .Encrypt (_cbb ,parentObjNum ,parentGenNum );
if _ebdf !=nil {return _ebdf ;};};};return nil ;};return nil ;};

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_bagfd string ;_fbef bool ;};func (_fcgdea *PdfParser )parseBool ()(PdfObjectBool ,error ){_gbaag ,_facf :=_fcgdea ._abggd .Peek (4);if _facf !=nil {return PdfObjectBool (false ),_facf ;};if (len (_gbaag )>=4)&&(string (_gbaag [:4])=="\u0074\u0072\u0075\u0065"){_fcgdea ._abggd .Discard (4);
return PdfObjectBool (true ),nil ;};_gbaag ,_facf =_fcgdea ._abggd .Peek (5);if _facf !=nil {return PdfObjectBool (false ),_facf ;};if (len (_gbaag )>=5)&&(string (_gbaag [:5])=="\u0066\u0061\u006cs\u0065"){_fcgdea ._abggd .Discard (5);return PdfObjectBool (false ),nil ;
};return PdfObjectBool (false ),_c .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");};

// 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 (_febe *JBIG2Encoder )DecodeImages (encoded []byte )([]_ab .Image ,error ){const _gga ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_affe ,_bage :=_bae .Decode (encoded ,_bae .Parameters {},_febe .Globals .ToDocumentGlobals ());
if _bage !=nil {return nil ,_ba .Wrap (_bage ,_gga ,"");};_feea ,_bage :=_affe .PageNumber ();if _bage !=nil {return nil ,_ba .Wrap (_bage ,_gga ,"");};_agec :=[]_ab .Image {};var _cabd _ab .Image ;for _cccb :=1;_cccb <=_feea ;_cccb ++{_cabd ,_bage =_affe .DecodePageImage (_cccb );
if _bage !=nil {return nil ,_ba .Wrapf (_bage ,_gga ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_cccb );};_agec =append (_agec ,_cabd );};return _agec ,nil ;};

// ToGoImage converts the JBIG2Image to the golang image.Image.
func (_gaa *JBIG2Image )ToGoImage ()(_ab .Image ,error ){const _ebdd ="J\u0042I\u0047\u0032\u0049\u006d\u0061\u0067\u0065\u002eT\u006f\u0047\u006f\u0049ma\u0067\u0065";if _gaa .Data ==nil {return nil ,_ba .Error (_ebdd ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");
};if _gaa .Width ==0||_gaa .Height ==0{return nil ,_ba .Error (_ebdd ,"\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");
};_cfg ,_gegdc :=_fg .NewImage (_gaa .Width ,_gaa .Height ,1,1,_gaa .Data ,nil ,nil );if _gegdc !=nil {return nil ,_gegdc ;};return _cfg ,nil ;};func (_baga *PdfCrypt )encryptBytes (_gbg []byte ,_cbgf string ,_abc []byte )([]byte ,error ){_dgd .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_acgb ,_cfde :=_baga ._bdc [_cbgf ];if !_cfde {return nil ,_ag .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_cbgf );};return _acgb .EncryptBytes (_gbg ,_abc );};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_ecfg *RawEncoder )MakeStreamDict ()*PdfObjectDictionary {return MakeDict ()};func (_bac *PdfParser )lookupObjectViaOS (_cd int ,_aa int )(PdfObject ,error ){var _ec *_ga .Reader ;var _ffe objectStream ;var _bd bool ;_ffe ,_bd =_bac ._caed [_cd ];
if !_bd {_gf ,_ad :=_bac .LookupByNumber (_cd );if _ad !=nil {_dgd .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",_cd );return nil ,_ad ;
};_gg ,_ed :=_gf .(*PdfObjectStream );if !_ed {return nil ,_c .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _bac ._bdeg !=nil &&!_bac ._bdeg .isDecrypted (_gg ){return nil ,_c .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");
};_cc :=_gg .PdfObjectDictionary ;_dgd .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_cc .String ());_dc ,_ed :=_cc .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_ed {_dgd .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 ,_c .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 _fbb .ToLower (string (*_dc ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_dgd .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 ,_c .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 ,_ed :=_cc .Get ("\u004e").(*PdfObjectInteger );if !_ed {return nil ,_c .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u004e\u0020i\u006e\u0020\u0073\u0074\u0072\u0065\u0061m\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079");
};_cg ,_ed :=_cc .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_ed {return nil ,_c .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");
};_dgd .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",_dc ,*N );_gb ,_ad :=DecodeStream (_gg );if _ad !=nil {return nil ,_ad ;
};_dgd .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_gb );_ce :=_bac .GetFileOffset ();defer func (){_bac .SetFileOffset (_ce )}();_ec =_ga .NewReader (_gb );_bac ._abggd =_ae .NewReader (_ec );_dgd .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_fbc :=map[int ]int64 {};for _df :=0;_df < int (*N );_df ++{_bac .skipSpaces ();_fac ,_bc :=_bac .parseNumber ();if _bc !=nil {return nil ,_bc ;};_gc ,_bbe :=_fac .(*PdfObjectInteger );if !_bbe {return nil ,_c .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");
};_bac .skipSpaces ();_fac ,_bc =_bac .parseNumber ();if _bc !=nil {return nil ,_bc ;};_acf ,_bbe :=_fac .(*PdfObjectInteger );if !_bbe {return nil ,_c .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");
};_dgd .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_gc ,*_acf );_fbc [int (*_gc )]=int64 (*_cg +*_acf );};_ffe =objectStream {N :int (*N ),_bg :_gb ,_abd :_fbc };_bac ._caed [_cd ]=_ffe ;}else {_fc :=_bac .GetFileOffset ();
defer func (){_bac .SetFileOffset (_fc )}();_ec =_ga .NewReader (_ffe ._bg );_bac ._abggd =_ae .NewReader (_ec );};_fdf :=_ffe ._abd [_aa ];_dgd .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_aa ,_fdf );
_ec .Seek (_fdf ,_dd .SeekStart );_bac ._abggd =_ae .NewReader (_ec );_fgf ,_ :=_bac ._abggd .Peek (100);_dgd .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_fgf ));_da ,_daf :=_bac .parseObject ();
if _daf !=nil {_dgd .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",_daf );return nil ,_daf ;};if _da ==nil {return nil ,_c .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");
};_db :=PdfIndirectObject {};_db .ObjectNumber =int64 (_aa );_db .PdfObject =_da ;return &_db ,nil ;};func (_bgcc *PdfObjectFloat )String ()string {return _ag .Sprintf ("\u0025\u0066",*_bgcc )};

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

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

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

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

// EncodeBytes JPX encodes the passed in slice of bytes.
func (_gdf *JPXEncoder )EncodeBytes (data []byte )([]byte ,error ){_dgd .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",_gdf .GetFilterName ());
return data ,ErrNoJPXDecode ;};func _afbcg (_acae ,_gbgd PdfObject ,_agcf int )bool {if _agcf > _fcdc {_dgd .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",_fcdc );
return false ;};if _acae ==nil &&_gbgd ==nil {return true ;}else if _acae ==nil ||_gbgd ==nil {return false ;};if _a .TypeOf (_acae )!=_a .TypeOf (_gbgd ){return false ;};switch _baed :=_acae .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_baed ==*(_gbgd .(*PdfObjectName ));case *PdfObjectString :return *_baed ==*(_gbgd .(*PdfObjectString ));case *PdfObjectInteger :return *_baed ==*(_gbgd .(*PdfObjectInteger ));case *PdfObjectBool :return *_baed ==*(_gbgd .(*PdfObjectBool ));
case *PdfObjectFloat :return *_baed ==*(_gbgd .(*PdfObjectFloat ));case *PdfIndirectObject :return _afbcg (TraceToDirectObject (_acae ),TraceToDirectObject (_gbgd ),_agcf +1);case *PdfObjectArray :_eeaf :=_gbgd .(*PdfObjectArray );if len ((*_baed )._egdd )!=len ((*_eeaf )._egdd ){return false ;
};for _fedd ,_gbfa :=range (*_baed )._egdd {if !_afbcg (_gbfa ,(*_eeaf )._egdd [_fedd ],_agcf +1){return false ;};};return true ;case *PdfObjectDictionary :_gbgaf :=_gbgd .(*PdfObjectDictionary );_fgge ,_egbf :=(*_baed )._cfdf ,(*_gbgaf )._cfdf ;if len (_fgge )!=len (_egbf ){return false ;
};for _fdbce ,_fbdcd :=range _fgge {_gdbf ,_bade :=_egbf [_fdbce ];if !_bade ||!_afbcg (_fbdcd ,_gdbf ,_agcf +1){return false ;};};return true ;case *PdfObjectStream :_gbcdd :=_gbgd .(*PdfObjectStream );return _afbcg ((*_baed ).PdfObjectDictionary ,(*_gbcdd ).PdfObjectDictionary ,_agcf +1);
default:_dgd .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",_acae );
};return false ;};

// 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 (_dceaf *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_aecd :=n ;_fbag :=0;_dbcg :=0;for _aecd > 0{_dfefa ,_cgbf :=_dceaf ._abggd .Read (p [_fbag :]);if _cgbf !=nil {_dgd .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",_dfefa ,_dbcg ,_cgbf .Error ());
return _fbag ,_c .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_dbcg ++;_fbag +=_dfefa ;_aecd -=_dfefa ;};return _fbag ,nil ;};

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