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 (_ab "bufio";_b "bytes";_ce "compress/lzw";_cg "compress/zlib";_fef "crypto/md5";_g "crypto/rand";_df "encoding/hex";_de "errors";_e "fmt";_cdb "github.com/unidoc/unipdf/v3/common";_cb "github.com/unidoc/unipdf/v3/core/security";_afd "github.com/unidoc/unipdf/v3/core/security/crypt";
_ee "github.com/unidoc/unipdf/v3/internal/ccittfax";_ced "github.com/unidoc/unipdf/v3/internal/imageutil";_eb "github.com/unidoc/unipdf/v3/internal/jbig2";_cdbf "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";_ae "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";
_dg "github.com/unidoc/unipdf/v3/internal/jbig2/document";_fa "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_dc "github.com/unidoc/unipdf/v3/internal/strutils";_cd "golang.org/x/image/tiff/lzw";_ga "golang.org/x/xerrors";_ff "image";_fg "image/color";
_fb "image/jpeg";_ed "io";_c "reflect";_ac "regexp";_a "sort";_dd "strconv";_af "strings";_f "sync";_fe "time";);

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_bcfb *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _gfeb []byte ;_cdb .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_edeg :=0;_afgc :=false ;for _edeg < len (encoded )&&!_afgc {_adae :=[5]byte {0,0,0,0,0};
_abaa :=0;_bafb :=0;_ega :=4;for _bafb < 5+_abaa {if _edeg +_bafb ==len (encoded ){break ;};_abag :=encoded [_edeg +_bafb ];if IsWhiteSpace (_abag ){_abaa ++;_bafb ++;continue ;}else if _abag =='~'&&_edeg +_bafb +1< len (encoded )&&encoded [_edeg +_bafb +1]=='>'{_ega =(_bafb -_abaa )-1;
if _ega < 0{_ega =0;};_afgc =true ;break ;}else if _abag >='!'&&_abag <='u'{_abag -='!';}else if _abag =='z'&&_bafb -_abaa ==0{_ega =4;_bafb ++;break ;}else {_cdb .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 ,_de .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_adae [_bafb -_abaa ]=_abag ;_bafb ++;};_edeg +=_bafb ;for _gdcg :=_ega +1;_gdcg < 5;_gdcg ++{_adae [_gdcg ]=84;
};_fbb :=uint32 (_adae [0])*85*85*85*85+uint32 (_adae [1])*85*85*85+uint32 (_adae [2])*85*85+uint32 (_adae [3])*85+uint32 (_adae [4]);_cbgg :=[]byte {byte ((_fbb >>24)&0xff),byte ((_fbb >>16)&0xff),byte ((_fbb >>8)&0xff),byte (_fbb &0xff)};_gfeb =append (_gfeb ,_cbgg [:_ega ]...);
};_cdb .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_cdb .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_gfeb );
return _gfeb ,nil ;};

// String returns a string describing `streams`.
func (_ecef *PdfObjectStreams )String ()string {return _e .Sprintf ("\u004f\u0062j\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0025\u0064",_ecef .ObjectNumber );};type objectStreams map[int ]objectStream ;

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

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

// NewASCIIHexEncoder makes a new ASCII hex encoder.
func NewASCIIHexEncoder ()*ASCIIHexEncoder {_dgc :=&ASCIIHexEncoder {};return _dgc };const _fac ="\u0053\u0074\u0064C\u0046";

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

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

// 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 ;};func (_bacf *PdfParser )parseXrefStream (_gabf *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _gabf !=nil {_cdb .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",_gabf );
_bacf ._fdfa .Seek (int64 (*_gabf ),_ed .SeekStart );_bacf ._bagdd =_ab .NewReader (_bacf ._fdfa );};_cedg :=_bacf .GetFileOffset ();_aeda ,_ccge :=_bacf .ParseIndirectObject ();if _ccge !=nil {_cdb .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 ,_de .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");};_cdb .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_aeda );
_eefd ,_gfea :=_aeda .(*PdfObjectStream );if !_gfea {_cdb .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 ,_de .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");};_bgddg :=_eefd .PdfObjectDictionary ;
_dda ,_gfea :=_eefd .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_gfea {_cdb .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 ,_de .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 (*_dda )> 8388607{_cdb .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",*_dda );
return nil ,_de .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cggg :=_eefd .PdfObjectDictionary .Get ("\u0057");_bbee ,_gfea :=_cggg .(*PdfObjectArray );if !_gfea {return nil ,_de .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_effe :=_bbee .Len ();if _effe !=3{_cdb .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",_effe );
return nil ,_de .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 _babe []int64 ;for _aaga :=0;_aaga < 3;
_aaga ++{_bcg ,_decg :=GetInt (_bbee .Get (_aaga ));if !_decg {return nil ,_de .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_babe =append (_babe ,int64 (*_bcg ));};_cefd ,_ccge :=DecodeStream (_eefd );
if _ccge !=nil {_cdb .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",_ccge );return nil ,_ccge ;};_fgff :=int (_babe [0]);
_fcde :=int (_babe [0]+_babe [1]);_fgedb :=int (_babe [0]+_babe [1]+_babe [2]);_becg :=int (_babe [0]+_babe [1]+_babe [2]);if _fgff < 0||_fcde < 0||_fgedb < 0{_cdb .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",_fgff ,_fcde ,_fgedb );
return nil ,_de .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _becg ==0{_cdb .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 _bgddg ,nil ;};_efa :=len (_cefd )/_becg ;_cafe :=0;_agcg :=_eefd .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _bccac []int ;if _agcg !=nil {_cdb .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_agcg );_add ,_gcde :=_agcg .(*PdfObjectArray );
if !_gcde {_cdb .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 ,_de .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _add .Len ()%2!=0{_cdb .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 ,_de .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cafe =0;_fgfd ,_bbf :=_add .ToIntegerArray ();if _bbf !=nil {_cdb .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",_bbf );
return nil ,_bbf ;};for _gecf :=0;_gecf < len (_fgfd );_gecf +=2{_fcfb :=_fgfd [_gecf ];_begdf :=_fgfd [_gecf +1];for _efee :=0;_efee < _begdf ;_efee ++{_bccac =append (_bccac ,_fcfb +_efee );};_cafe +=_begdf ;};}else {for _bagbf :=0;_bagbf < int (*_dda );
_bagbf ++{_bccac =append (_bccac ,_bagbf );};_cafe =int (*_dda );};if _efa ==_cafe +1{_cdb .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");
_cfce :=_cafe -1;for _ ,_bdcee :=range _bccac {if _bdcee > _cfce {_cfce =_bdcee ;};};_bccac =append (_bccac ,_cfce +1);_cafe ++;};if _efa !=len (_bccac ){_cdb .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",_efa ,len (_bccac ));
return nil ,_de .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");};_cdb .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_cafe );
_cdb .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_bccac );_debdc :=func (_dfcf []byte )int64 {var _defd int64 ;for _adfg :=0;_adfg < len (_dfcf );_adfg ++{_defd +=int64 (_dfcf [_adfg ])*(1<<uint (8*(len (_dfcf )-_adfg -1)));
};return _defd ;};_cdb .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_cefd ));_gfag :=0;for _gdcbb :=0;_gdcbb < len (_cefd );_gdcbb +=_becg {_faaa :=_fdbf (len (_cefd ),_gdcbb ,_gdcbb +_fgff );
if _faaa !=nil {_cdb .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_faaa );return nil ,_faaa ;};_aafa :=_cefd [_gdcbb :_gdcbb +_fgff ];_faaa =_fdbf (len (_cefd ),_gdcbb +_fgff ,_gdcbb +_fcde );
if _faaa !=nil {_cdb .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_faaa );return nil ,_faaa ;};_ecaa :=_cefd [_gdcbb +_fgff :_gdcbb +_fcde ];_faaa =_fdbf (len (_cefd ),_gdcbb +_fcde ,_gdcbb +_fgedb );
if _faaa !=nil {_cdb .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_faaa );return nil ,_faaa ;};_geaf :=_cefd [_gdcbb +_fcde :_gdcbb +_fgedb ];_abaf :=_debdc (_aafa );
_faca :=_debdc (_ecaa );_gfad :=_debdc (_geaf );if _babe [0]==0{_abaf =1;};if _gfag >=len (_bccac ){_cdb .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 ;};_edgd :=_bccac [_gfag ];_gfag ++;_cdb .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_edgd ,_aafa );_cdb .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_edgd ,_ecaa );_cdb .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_edgd ,_geaf );
_cdb .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_edgd ,_abaf ,_faca ,_gfad );if _abaf ==0{_cdb .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 _abaf ==1{_cdb .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",_ecaa );if _faca ==_cedg {_cdb .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",_edgd ,_eefd .ObjectNumber );
_edgd =int (_eefd .ObjectNumber );};if _bgeg ,_gad :=_bacf ._aecbd .ObjectMap [_edgd ];!_gad ||int (_gfad )> _bgeg .Generation {_abfd :=XrefObject {ObjectNumber :_edgd ,XType :XrefTypeTableEntry ,Offset :_faca ,Generation :int (_gfad )};_bacf ._aecbd .ObjectMap [_edgd ]=_abfd ;
};}else if _abaf ==2{_cdb .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 _ ,_dabed :=_bacf ._aecbd .ObjectMap [_edgd ];!_dabed {_cbfb :=XrefObject {ObjectNumber :_edgd ,XType :XrefTypeObjectStream ,OsObjNumber :int (_faca ),OsObjIndex :int (_gfad )};
_bacf ._aecbd .ObjectMap [_edgd ]=_cbfb ;_cdb .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_cbfb );};}else {_cdb .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 _bacf ._eedb ==nil {_ccbgg :=XrefTypeObjectStream ;_bacf ._eedb =&_ccbgg ;};return _bgddg ,nil ;};func _dfd (_gae *_afd .FilterDict ,_dde *PdfObjectDictionary )error {if _adb ,_gafd :=_dde .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_gafd {if _cdad :=string (*_adb );_cdad !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_cdb .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",_cdad );
};};_ddf ,_ddcf :=_dde .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_ddcf {return _e .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");
};_gae .CFM =string (*_ddf );if _bbd ,_fcg :=_dde .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_fcg {_gae .AuthEvent =_cb .AuthEvent (*_bbd );}else {_gae .AuthEvent =_cb .EventDocOpen ;};if _bag ,_ccb :=_dde .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_ccb {_gae .Length =int (*_bag );};return nil ;};

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

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

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

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_dfgb *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_ddee :=encoded ;var _ecdf error ;for _ ,_cfafa :=range _dfgb ._egg {_cdb .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",_cfafa ,_cfafa );
_ddee ,_ecdf =_cfafa .DecodeBytes (_ddee );if _ecdf !=nil {return nil ,_ecdf ;};};return _ddee ,nil ;};func (_fgac *PdfParser )lookupByNumberWrapper (_db int ,_aea bool )(PdfObject ,bool ,error ){_eadb ,_dgd ,_fge :=_fgac .lookupByNumber (_db ,_aea );if _fge !=nil {return nil ,_dgd ,_fge ;
};if !_dgd &&_fgac ._gffg !=nil &&!_fgac ._gffg .isDecrypted (_eadb ){_bda :=_fgac ._gffg .Decrypt (_eadb ,0,0);if _bda !=nil {return nil ,_dgd ,_bda ;};};return _eadb ,_dgd ,nil ;};

// String returns a string describing `d`.
func (_ccae *PdfObjectDictionary )String ()string {var _adefc _af .Builder ;_adefc .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_cdce :=range _ccae ._bfga {_bfd :=_ccae ._ffgb [_cdce ];_adefc .WriteString ("\u0022"+_cdce .String ()+"\u0022\u003a\u0020");
_adefc .WriteString (_bfd .String ());_adefc .WriteString ("\u002c\u0020");};_adefc .WriteString ("\u0029");return _adefc .String ();};

// MakeBool creates a PdfObjectBool from a bool value.
func MakeBool (val bool )*PdfObjectBool {_bgca :=PdfObjectBool (val );return &_bgca };func _cag (_agad *PdfObjectStream ,_adg *PdfObjectDictionary )(*FlateEncoder ,error ){_ecfb :=NewFlateEncoder ();_gdc :=_agad .PdfObjectDictionary ;if _gdc ==nil {return _ecfb ,nil ;
};_ecfb ._ccg =_acfae (_gdc );if _adg ==nil {_ccea :=TraceToDirectObject (_gdc .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));switch _fgg :=_ccea .(type ){case *PdfObjectArray :if _fgg .Len ()!=1{_cdb .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",_fgg .Len ());
return nil ,_de .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _adbaa ,_dabe :=GetDict (_fgg .Get (0));_dabe {_adg =_adbaa ;};case *PdfObjectDictionary :_adg =_fgg ;case *PdfObjectNull ,nil :default:_cdb .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",_ccea );
return nil ,_e .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _adg ==nil {return _ecfb ,nil ;};_cdb .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_adg .String ());
_bbcd :=_adg .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _bbcd ==nil {_cdb .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 {_geg ,_aeab :=_bbcd .(*PdfObjectInteger );if !_aeab {_cdb .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",_bbcd );
return nil ,_e .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_ecfb .Predictor =int (*_geg );};_bbcd =_adg .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _bbcd !=nil {_acbg ,_adgg :=_bbcd .(*PdfObjectInteger );if !_adgg {_cdb .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 ,_e .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_ecfb .BitsPerComponent =int (*_acbg );};if _ecfb .Predictor > 1{_ecfb .Columns =1;_bbcd =_adg .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _bbcd !=nil {_fcd ,_bfgf :=_bbcd .(*PdfObjectInteger );if !_bfgf {return nil ,_e .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_ecfb .Columns =int (*_fcd );
};_ecfb .Colors =1;_bbcd =_adg .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _bbcd !=nil {_fbgf ,_cdbd :=_bbcd .(*PdfObjectInteger );if !_cdbd {return nil ,_e .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");
};_ecfb .Colors =int (*_fbgf );};};return _ecfb ,nil ;};

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_cagb *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_acbb ,_geeb :=_cagb ._ffgb [key ];if !_geeb {return nil ;};return _acbb ;};func (_bdcg *PdfCrypt )securityHandler ()_cb .StdHandler {if _bdcg ._gcg .R >=5{return _cb .NewHandlerR6 ();
};return _cb .NewHandlerR4 (_bdcg ._dac ,_bdcg ._bgb .Length );};

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_afab string ;_adcda bool ;};

// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_baa *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _ede _b .Buffer ;_dbcd :=_b .NewReader (encoded );var _fba _ed .ReadCloser ;if _baa .EarlyChange ==1{_fba =_cd .NewReader (_dbcd ,_cd .MSB ,8);}else {_fba =_ce .NewReader (_dbcd ,_ce .MSB ,8);
};defer _fba .Close ();if _ ,_beda :=_ede .ReadFrom (_fba );_beda !=nil {if _beda !=_ed .ErrUnexpectedEOF ||_ede .Len ()==0{return nil ,_beda ;};_cdb .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",_beda );
};return _ede .Bytes (),nil ;};

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

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

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

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

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

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_ffgb map[PdfObjectName ]PdfObject ;_bfga []PdfObjectName ;_aefad *PdfParser ;};

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

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_acgf Version ;_fdfa _ed .ReadSeeker ;_bagdd *_ab .Reader ;_fgab int64 ;_aecbd XrefTable ;_abae int64 ;_eedb *xrefType ;_dggcg objectStreams ;_fbcea *PdfObjectDictionary ;_gffg *PdfCrypt ;_aeaab bool ;ObjCache objectCache ;_efcde map[int ]bool ;
_dbga map[int64 ]bool ;};

// 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 )(_acdgd bool ,_ccfb bool ){_fcaf ,_ccfb :=TraceToDirectObject (obj ).(*PdfObjectBool );if _ccfb {return bool (*_fcaf ),true ;};return false ,false ;};func (_efgc *PdfParser )parseArray ()(*PdfObjectArray ,error ){_afgbb :=MakeArray ();
_efgc ._bagdd .ReadByte ();for {_efgc .skipSpaces ();_cabf ,_eefb :=_efgc ._bagdd .Peek (1);if _eefb !=nil {return _afgbb ,_eefb ;};if _cabf [0]==']'{_efgc ._bagdd .ReadByte ();break ;};_gaa ,_eefb :=_efgc .parseObject ();if _eefb !=nil {return _afgbb ,_eefb ;
};_afgbb .Append (_gaa );};return _afgbb ,nil ;};

// 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 (_eadc *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _fgbe []int64 ;for _ ,_abdf :=range _eadc .Elements (){if _ebdg ,_baaba :=_abdf .(*PdfObjectInteger );_baaba {_fgbe =append (_fgbe ,int64 (*_ebdg ));}else {return nil ,ErrTypeError ;};};
return _fgbe ,nil ;};

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

// IsDelimiter checks if a character represents a delimiter.
func IsDelimiter (c byte )bool {return c =='('||c ==')'||c =='<'||c =='>'||c =='['||c ==']'||c =='{'||c =='}'||c =='/'||c =='%';};func _bceg (_ceaa *PdfObjectStream ,_adfb *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;
};

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

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

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

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

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

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_fc *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_ebc ,_dbc :=obj .(*PdfObjectReference );if !_dbc {return obj ,nil ;};_afgea :=_fc .GetFileOffset ();defer func (){_fc .SetFileOffset (_afgea )}();_bee ,_gd :=_fc .LookupByReference (*_ebc );
if _gd !=nil {return nil ,_gd ;};_gbg ,_gcd :=_bee .(*PdfIndirectObject );if !_gcd {return _bee ,nil ;};_bee =_gbg .PdfObject ;_ ,_dbc =_bee .(*PdfObjectReference );if _dbc {return _gbg ,_de .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 _bee ,nil ;};

// 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 )(_ebcf *PdfObjectStream ,_ccbfa bool ){obj =ResolveReference (obj );_ebcf ,_ccbfa =obj .(*PdfObjectStream );return _ebcf ,_ccbfa ;};func (_gcbce *PdfParser )parseHexString ()(*PdfObjectString ,error ){_gcbce ._bagdd .ReadByte ();
var _gcea _b .Buffer ;for {_eff ,_eeba :=_gcbce ._bagdd .Peek (1);if _eeba !=nil {return MakeString (""),_eeba ;};if _eff [0]=='>'{_gcbce ._bagdd .ReadByte ();break ;};_cebe ,_ :=_gcbce ._bagdd .ReadByte ();if !IsWhiteSpace (_cebe ){_gcea .WriteByte (_cebe );
};};if _gcea .Len ()%2==1{_gcea .WriteRune ('0');};_dafg ,_ :=_df .DecodeString (_gcea .String ());return MakeHexString (string (_dafg )),nil ;};

// StreamEncoder represents the interface for all PDF stream encoders.
type StreamEncoder interface{GetFilterName ()string ;MakeDecodeParams ()PdfObject ;MakeStreamDict ()*PdfObjectDictionary ;UpdateParams (_cdg *PdfObjectDictionary );EncodeBytes (_gafdb []byte )([]byte ,error );DecodeBytes (_abdb []byte )([]byte ,error );
DecodeStream (_gce *PdfObjectStream )([]byte ,error );};func (_fea *PdfParser )resolveReference (_egfb *PdfObjectReference )(PdfObject ,bool ,error ){_eabe ,_deeb :=_fea .ObjCache [int (_egfb .ObjectNumber )];if _deeb {return _eabe ,true ,nil ;};_dgce ,_agbd :=_fea .LookupByReference (*_egfb );
if _agbd !=nil {return nil ,false ,_agbd ;};_fea .ObjCache [int (_egfb .ObjectNumber )]=_dgce ;return _dgce ,false ,nil ;};

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

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

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_fdf *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_aef :=_b .NewReader (encoded );_deca ,_afea :=_fb .Decode (_aef );if _afea !=nil {_cdb .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_afea );
return nil ,_afea ;};_fbcf :=_deca .Bounds ();var _daca =make ([]byte ,_fbcf .Dx ()*_fbcf .Dy ()*_fdf .ColorComponents *_fdf .BitsPerComponent /8);_dagc :=0;for _gddc :=_fbcf .Min .Y ;_gddc < _fbcf .Max .Y ;_gddc ++{for _fgee :=_fbcf .Min .X ;_fgee < _fbcf .Max .X ;
_fgee ++{_fefg :=_deca .At (_fgee ,_gddc );if _fdf .ColorComponents ==1{if _fdf .BitsPerComponent ==16{_fded ,_aaec :=_fefg .(_fg .Gray16 );if !_aaec {return nil ,_de .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_daca [_dagc ]=byte ((_fded .Y >>8)&0xff);_dagc ++;_daca [_dagc ]=byte (_fded .Y &0xff);_dagc ++;}else {_fgdg ,_begd :=_fefg .(_fg .Gray );if !_begd {return nil ,_de .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_daca [_dagc ]=_fgdg .Y &0xff;_dagc ++;};}else if _fdf .ColorComponents ==3{if _fdf .BitsPerComponent ==16{_ecgc ,_dbeb :=_fefg .(_fg .RGBA64 );if !_dbeb {return nil ,_de .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_daca [_dagc ]=byte ((_ecgc .R >>8)&0xff);_dagc ++;_daca [_dagc ]=byte (_ecgc .R &0xff);_dagc ++;_daca [_dagc ]=byte ((_ecgc .G >>8)&0xff);_dagc ++;_daca [_dagc ]=byte (_ecgc .G &0xff);_dagc ++;_daca [_dagc ]=byte ((_ecgc .B >>8)&0xff);_dagc ++;_daca [_dagc ]=byte (_ecgc .B &0xff);
_dagc ++;}else {_ddfcc ,_baf :=_fefg .(_fg .RGBA );if _baf {_daca [_dagc ]=_ddfcc .R &0xff;_dagc ++;_daca [_dagc ]=_ddfcc .G &0xff;_dagc ++;_daca [_dagc ]=_ddfcc .B &0xff;_dagc ++;}else {_deba ,_ecd :=_fefg .(_fg .YCbCr );if !_ecd {return nil ,_de .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_adc ,_gef ,_ddcd ,_ :=_deba .RGBA ();_daca [_dagc ]=byte (_adc >>8);_dagc ++;_daca [_dagc ]=byte (_gef >>8);_dagc ++;_daca [_dagc ]=byte (_ddcd >>8);_dagc ++;};};}else if _fdf .ColorComponents ==4{_egdd ,_gafc :=_fefg .(_fg .CMYK );if !_gafc {return nil ,_de .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_daca [_dagc ]=255-_egdd .C &0xff;_dagc ++;_daca [_dagc ]=255-_egdd .M &0xff;_dagc ++;_daca [_dagc ]=255-_egdd .Y &0xff;_dagc ++;_daca [_dagc ]=255-_egdd .K &0xff;_dagc ++;};};};return _daca ,nil ;};func (_geec *PdfCrypt )encryptBytes (_gdd []byte ,_bfg string ,_bdeb []byte )([]byte ,error ){_cdb .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_cad ,_caff :=_geec ._aca [_bfg ];if !_caff {return nil ,_e .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_bfg );};return _cad .EncryptBytes (_gdd ,_bdeb );};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_dfbf *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _dfbf .Predictor !=1&&_dfbf .Predictor !=11{_cdb .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 _dfbf .Predictor ==11{_ebfb :=_dfbf .Columns ;_eca :=len (data )/_ebfb ;if len (data )%_ebfb !=0{_cdb .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_de .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_gcae :=_b .NewBuffer (nil );_dgge :=make ([]byte ,_ebfb );for _gfdf :=0;_gfdf < _eca ;_gfdf ++{_fae :=data [_ebfb *_gfdf :_ebfb *(_gfdf +1)];
_dgge [0]=_fae [0];for _gdf :=1;_gdf < _ebfb ;_gdf ++{_dgge [_gdf ]=byte (int (_fae [_gdf ]-_fae [_gdf -1])%256);};_gcae .WriteByte (1);_gcae .Write (_dgge );};data =_gcae .Bytes ();};var _dage _b .Buffer ;_dae :=_cg .NewWriter (&_dage );_dae .Write (data );
_dae .Close ();return _dage .Bytes (),nil ;};

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

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

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

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

// Decoded returns the PDFDocEncoding or UTF-16BE decoded string contents.
// UTF-16BE is applied when the first two bytes are 0xFE, 0XFF, otherwise decoding of
// PDFDocEncoding is performed.
func (_cdbee *PdfObjectString )Decoded ()string {if _cdbee ==nil {return "";};_fgeddb :=[]byte (_cdbee ._afab );if len (_fgeddb )>=2&&_fgeddb [0]==0xFE&&_fgeddb [1]==0xFF{return _dc .UTF16ToString (_fgeddb [2:]);};return _dc .PDFDocEncodingToString (_fgeddb );
};

// SetImage sets the image base for given flate encoder.
func (_gfe *FlateEncoder )SetImage (img *_ced .ImageBase ){_gfe ._ccg =img };

// EncodeBytes encodes data into ASCII85 encoded format.
func (_bffe *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _cab _b .Buffer ;for _eacf :=0;_eacf < len (data );_eacf +=4{_dce :=data [_eacf ];_abdc :=1;_eceb :=byte (0);if _eacf +1< len (data ){_eceb =data [_eacf +1];_abdc ++;};_fbcd :=byte (0);
if _eacf +2< len (data ){_fbcd =data [_eacf +2];_abdc ++;};_ggb :=byte (0);if _eacf +3< len (data ){_ggb =data [_eacf +3];_abdc ++;};_dcbd :=(uint32 (_dce )<<24)|(uint32 (_eceb )<<16)|(uint32 (_fbcd )<<8)|uint32 (_ggb );if _dcbd ==0{_cab .WriteByte ('z');
}else {_cafa :=_bffe .base256Tobase85 (_dcbd );for _ ,_cfaf :=range _cafa [:_abdc +1]{_cab .WriteByte (_cfaf +'!');};};};_cab .WriteString ("\u007e\u003e");return _cab .Bytes (),nil ;};

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_aecg *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _gcbd _ff .Image ;if _aecg .ColorComponents ==1&&_aecg .BitsPerComponent ==8{_gcbd =&_ff .Gray {Rect :_ff .Rect (0,0,_aecg .Width ,_aecg .Height ),Pix :data ,Stride :_ced .BytesPerLine (_aecg .Width ,_aecg .BitsPerComponent ,_aecg .ColorComponents )};
}else {var _acfd error ;_gcbd ,_acfd =_ced .NewImage (_aecg .Width ,_aecg .Height ,_aecg .BitsPerComponent ,_aecg .ColorComponents ,data ,nil ,nil );if _acfd !=nil {return nil ,_acfd ;};};_ege :=_fb .Options {};_ege .Quality =_aecg .Quality ;var _fefc _b .Buffer ;
if _fdca :=_fb .Encode (&_fefc ,_gcbd ,&_ege );_fdca !=nil {return nil ,_fdca ;};return _fefc .Bytes (),nil ;};func _gacd (_defda string )(int ,int ,error ){_efgeg :=_dabd .FindStringSubmatch (_defda );if len (_efgeg )< 3{return 0,0,_de .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");
};_bbacg ,_ :=_dd .Atoi (_efgeg [1]);_aceg ,_ :=_dd .Atoi (_efgeg [2]);return _bbacg ,_aceg ,nil ;};func _dggg (_fde int )cryptFilters {return cryptFilters {_fac :_afd .NewFilterV2 (_fde )}};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_bfec *RawEncoder )MakeStreamDict ()*PdfObjectDictionary {return MakeDict ()};func (_ffg *ASCII85Encoder )base256Tobase85 (_fgedd uint32 )[5]byte {_gbbf :=[5]byte {0,0,0,0,0};_eac :=_fgedd ;for _baaa :=0;_baaa < 5;_baaa ++{_bagga :=uint32 (1);for _dgf :=0;
_dgf < 4-_baaa ;_dgf ++{_bagga *=85;};_fgb :=_eac /_bagga ;_eac =_eac %_bagga ;_gbbf [_baaa ]=byte (_fgb );};return _gbbf ;};func (_caaf *PdfParser )xrefNextObjectOffset (_ceda int64 )int64 {_aggb :=int64 (0);if len (_caaf ._aecbd .ObjectMap )==0{return 0;
};if len (_caaf ._aecbd ._gf )==0{_gdac :=0;for _ ,_cbbf :=range _caaf ._aecbd .ObjectMap {if _cbbf .Offset > 0{_gdac ++;};};if _gdac ==0{return 0;};_caaf ._aecbd ._gf =make ([]XrefObject ,_gdac );_eefbg :=0;for _ ,_dccb :=range _caaf ._aecbd .ObjectMap {if _dccb .Offset > 0{_caaf ._aecbd ._gf [_eefbg ]=_dccb ;
_eefbg ++;};};_a .Slice (_caaf ._aecbd ._gf ,func (_faed ,_aeee int )bool {return _caaf ._aecbd ._gf [_faed ].Offset < _caaf ._aecbd ._gf [_aeee ].Offset });};_defe :=_a .Search (len (_caaf ._aecbd ._gf ),func (_edec int )bool {return _caaf ._aecbd ._gf [_edec ].Offset >=_ceda });
if _defe < len (_caaf ._aecbd ._gf ){_aggb =_caaf ._aecbd ._gf [_defe ].Offset ;};return _aggb ;};

// String returns a string describing `null`.
func (_egeg *PdfObjectNull )String ()string {return "\u006e\u0075\u006c\u006c"};const JB2ImageAutoThreshold =-1.0;func (_bbea *PdfObjectInteger )String ()string {return _e .Sprintf ("\u0025\u0064",*_bbea )};

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

// 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 ))};

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

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

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

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

// String returns a string describing `ref`.
func (_ceceg *PdfObjectReference )String ()string {return _e .Sprintf ("\u0052\u0065\u0066\u0028\u0025\u0064\u0020\u0025\u0064\u0029",_ceceg .ObjectNumber ,_ceceg .GenerationNumber );};func (_acf *FlateEncoder )postDecodePredict (_gcab []byte )([]byte ,error ){if _acf .Predictor > 1{if _acf .Predictor ==2{_cdb .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_cdb .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_acf .Colors );_cdga :=_acf .Columns *_acf .Colors ;if _cdga < 1{return []byte {},nil ;};_bfaa :=len (_gcab )/_cdga ;if len (_gcab )%_cdga !=0{_cdb .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 ,_e .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 (_gcab ),_cdga );};if _cdga %_acf .Colors !=0{return nil ,_e .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",_cdga ,_acf .Colors );
};if _cdga > len (_gcab ){_cdb .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",_cdga ,len (_gcab ));
return nil ,_de .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cdb .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_gcab ),_gcab );
_acc :=_b .NewBuffer (nil );for _fbgg :=0;_fbgg < _bfaa ;_fbgg ++{_adef :=_gcab [_cdga *_fbgg :_cdga *(_fbgg +1)];for _ffdcd :=_acf .Colors ;_ffdcd < _cdga ;_ffdcd ++{_adef [_ffdcd ]+=_adef [_ffdcd -_acf .Colors ];};_acc .Write (_adef );};_cead :=_acc .Bytes ();
_cdb .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_cead ),_cead );return _cead ,nil ;}else if _acf .Predictor >=10&&_acf .Predictor <=15{_cdb .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_ggac :=_acf .Columns *_acf .Colors +1;_ace :=len (_gcab )/_ggac ;if len (_gcab )%_ggac !=0{return nil ,_e .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 (_gcab ),_ggac );
};if _ggac > len (_gcab ){_cdb .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",_ggac ,len (_gcab ));
return nil ,_de .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_dbcf :=_b .NewBuffer (nil );_cdb .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_acf .Columns );
_cdb .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_gcab ),_ggac ,_ace );_dbag :=make ([]byte ,_ggac );for _bbda :=0;_bbda < _ggac ;_bbda ++{_dbag [_bbda ]=0;
};_fda :=_acf .Colors ;for _fcdf :=0;_fcdf < _ace ;_fcdf ++{_gfab :=_gcab [_ggac *_fcdf :_ggac *(_fcdf +1)];_age :=_gfab [0];switch _age {case _ebcd :case _fafd :for _gcad :=1+_fda ;_gcad < _ggac ;_gcad ++{_gfab [_gcad ]+=_gfab [_gcad -_fda ];};case _gfbg :for _gfba :=1;
_gfba < _ggac ;_gfba ++{_gfab [_gfba ]+=_dbag [_gfba ];};case _ggc :for _gcfa :=1;_gcfa < _fda +1;_gcfa ++{_gfab [_gcfa ]+=_dbag [_gcfa ]/2;};for _bad :=_fda +1;_bad < _ggac ;_bad ++{_gfab [_bad ]+=byte ((int (_gfab [_bad -_fda ])+int (_dbag [_bad ]))/2);
};case _cfcf :for _ebcb :=1;_ebcb < _ggac ;_ebcb ++{var _cgag ,_deb ,_fggf byte ;_deb =_dbag [_ebcb ];if _ebcb >=_fda +1{_cgag =_gfab [_ebcb -_fda ];_fggf =_dbag [_ebcb -_fda ];};_gfab [_ebcb ]+=_cddec (_cgag ,_deb ,_fggf );};default:_cdb .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",_age ,_fcdf );
return nil ,_e .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_age );};copy (_dbag ,_gfab );_dbcf .Write (_gfab [1:]);};_gffe :=_dbcf .Bytes ();return _gffe ,nil ;
}else {_cdb .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",_acf .Predictor );return nil ,_e .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",_acf .Predictor );
};};return _gcab ,nil ;};func (_defc *PdfParser )repairSeekXrefMarker ()error {_cgef ,_ffed :=_defc ._fdfa .Seek (0,_ed .SeekEnd );if _ffed !=nil {return _ffed ;};_deac :=_ac .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");var _eebc int64 ;
var _gdeg int64 =1000;for _eebc < _cgef {if _cgef <=(_gdeg +_eebc ){_gdeg =_cgef -_eebc ;};_ ,_acba :=_defc ._fdfa .Seek (-_eebc -_gdeg ,_ed .SeekEnd );if _acba !=nil {return _acba ;};_dcdgb :=make ([]byte ,_gdeg );_defc ._fdfa .Read (_dcdgb );_cdb .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_dcdgb ));
_eegb :=_deac .FindAllStringIndex (string (_dcdgb ),-1);if _eegb !=nil {_cfdc :=_eegb [len (_eegb )-1];_cdb .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_eegb );_defc ._fdfa .Seek (-_eebc -_gdeg +int64 (_cfdc [0]),_ed .SeekEnd );_defc ._bagdd =_ab .NewReader (_defc ._fdfa );
for {_dfeag ,_facfc :=_defc ._bagdd .Peek (1);if _facfc !=nil {return _facfc ;};_cdb .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_dfeag [0],_dfeag [0]);if !IsWhiteSpace (_dfeag [0]){break ;};_defc ._bagdd .Discard (1);};return nil ;
};_cdb .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");
_eebc +=_gdeg ;};_cdb .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 _de .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};

// 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 _cffg (obj ,0)};

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

// 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 (_aeaf *JBIG2Encoder )AddPageImage (img *JBIG2Image ,settings *JBIG2EncoderSettings )(_aegcd error ){const _edbda ="\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 _aeaf ==nil {return _fa .Error (_edbda ,"J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u0020\u0069\u0073 n\u0069\u006c");};if settings ==nil {settings =&_aeaf .DefaultPageSettings ;};if _aeaf ._fgeb ==nil {_aeaf ._fgeb =_dg .InitEncodeDocument (settings .FileMode );
};if _aegcd =settings .Validate ();_aegcd !=nil {return _fa .Wrap (_aegcd ,_edbda ,"");};_cee ,_aegcd :=img .toBitmap ();if _aegcd !=nil {return _fa .Wrap (_aegcd ,_edbda ,"");};switch settings .Compression {case JB2Generic :if _aegcd =_aeaf ._fgeb .AddGenericPage (_cee ,settings .DuplicatedLinesRemoval );
_aegcd !=nil {return _fa .Wrap (_aegcd ,_edbda ,"");};case JB2SymbolCorrelation :return _fa .Error (_edbda ,"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 _fa .Error (_edbda ,"\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 _fa .Error (_edbda ,"\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 ;};func (_caddf *PdfParser )parseString ()(*PdfObjectString ,error ){_caddf ._bagdd .ReadByte ();
var _efbbg _b .Buffer ;_cfbg :=1;for {_fffg ,_afdfe :=_caddf ._bagdd .Peek (1);if _afdfe !=nil {return MakeString (_efbbg .String ()),_afdfe ;};if _fffg [0]=='\\'{_caddf ._bagdd .ReadByte ();_dcaf ,_fgbb :=_caddf ._bagdd .ReadByte ();if _fgbb !=nil {return MakeString (_efbbg .String ()),_fgbb ;
};if IsOctalDigit (_dcaf ){_bbga ,_edcff :=_caddf ._bagdd .Peek (2);if _edcff !=nil {return MakeString (_efbbg .String ()),_edcff ;};var _dafc []byte ;_dafc =append (_dafc ,_dcaf );for _ ,_adcd :=range _bbga {if IsOctalDigit (_adcd ){_dafc =append (_dafc ,_adcd );
}else {break ;};};_caddf ._bagdd .Discard (len (_dafc )-1);_cdb .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_dafc );_egcc ,_edcff :=_dd .ParseUint (string (_dafc ),8,32);if _edcff !=nil {return MakeString (_efbbg .String ()),_edcff ;
};_efbbg .WriteByte (byte (_egcc ));continue ;};switch _dcaf {case 'n':_efbbg .WriteRune ('\n');case 'r':_efbbg .WriteRune ('\r');case 't':_efbbg .WriteRune ('\t');case 'b':_efbbg .WriteRune ('\b');case 'f':_efbbg .WriteRune ('\f');case '(':_efbbg .WriteRune ('(');
case ')':_efbbg .WriteRune (')');case '\\':_efbbg .WriteRune ('\\');};continue ;}else if _fffg [0]=='('{_cfbg ++;}else if _fffg [0]==')'{_cfbg --;if _cfbg ==0{_caddf ._bagdd .ReadByte ();break ;};};_eafd ,_ :=_caddf ._bagdd .ReadByte ();_efbbg .WriteByte (_eafd );
};return MakeString (_efbbg .String ()),nil ;};var _abaaa =_ac .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");

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

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

// 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 )(_faab *PdfObjectInteger ,_acgc bool ){_faab ,_acgc =TraceToDirectObject (obj ).(*PdfObjectInteger );return _faab ,_acgc ;};

// 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 _ebdc :=obj .(type ){case *PdfObjectFloat :return float64 (*_ebdc ),nil ;case *PdfObjectInteger :return float64 (*_ebdc ),nil ;};return 0,ErrNotANumber ;};func (_cbcb *PdfParser )seekToEOFMarker (_bdcea int64 )error {var _afbg int64 ;
var _fedbc int64 =2048;for _afbg < _bdcea -4{if _bdcea <=(_fedbc +_afbg ){_fedbc =_bdcea -_afbg ;};_ ,_gddcfe :=_cbcb ._fdfa .Seek (-_afbg -_fedbc ,_ed .SeekEnd );if _gddcfe !=nil {return _gddcfe ;};_dcefg :=make ([]byte ,_fedbc );_cbcb ._fdfa .Read (_dcefg );
_cdb .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 (_dcefg ));_bcb :=_cdcb .FindAllStringIndex (string (_dcefg ),-1);if _bcb !=nil {_ccff :=_bcb [len (_bcb )-1];
_cdb .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_bcb );_cbcb ._fdfa .Seek (-_afbg -_fedbc +int64 (_ccff [0]),_ed .SeekEnd );return nil ;};_cdb .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");
_afbg +=_fedbc -4;};_cdb .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 _de .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_agaf *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_abg :=_b .NewReader (data );var _aeaaa []byte ;var _cfcbd []byte ;_fedb ,_dbgg :=_abg .ReadByte ();if _dbgg ==_ed .EOF {return []byte {},nil ;}else if _dbgg !=nil {return nil ,_dbgg ;
};_dad :=1;for {_fade ,_dbcdb :=_abg .ReadByte ();if _dbcdb ==_ed .EOF {break ;}else if _dbcdb !=nil {return nil ,_dbcdb ;};if _fade ==_fedb {if len (_cfcbd )> 0{_cfcbd =_cfcbd [:len (_cfcbd )-1];if len (_cfcbd )> 0{_aeaaa =append (_aeaaa ,byte (len (_cfcbd )-1));
_aeaaa =append (_aeaaa ,_cfcbd ...);};_dad =1;_cfcbd =[]byte {};};_dad ++;if _dad >=127{_aeaaa =append (_aeaaa ,byte (257-_dad ),_fedb );_dad =0;};}else {if _dad > 0{if _dad ==1{_cfcbd =[]byte {_fedb };}else {_aeaaa =append (_aeaaa ,byte (257-_dad ),_fedb );
};_dad =0;};_cfcbd =append (_cfcbd ,_fade );if len (_cfcbd )>=127{_aeaaa =append (_aeaaa ,byte (len (_cfcbd )-1));_aeaaa =append (_aeaaa ,_cfcbd ...);_cfcbd =[]byte {};};};_fedb =_fade ;};if len (_cfcbd )> 0{_aeaaa =append (_aeaaa ,byte (len (_cfcbd )-1));
_aeaaa =append (_aeaaa ,_cfcbd ...);}else if _dad > 0{_aeaaa =append (_aeaaa ,byte (257-_dad ),_fedb );};_aeaaa =append (_aeaaa ,128);return _aeaaa ,nil ;};

// Append appends PdfObject(s) to the streams.
func (_cecgg *PdfObjectStreams )Append (objects ...PdfObject ){if _cecgg ==nil {_cdb .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 ;};_cecgg ._cbbb =append (_cecgg ._cbbb ,objects ...);};

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

// DecodeStream implements ASCII85 stream decoding.
func (_gddg *ASCII85Encoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _gddg .DecodeBytes (streamObj .Stream );};func (_adee *JBIG2Image )toBitmap ()(_ebce *_cdbf .Bitmap ,_cebd error ){const _gbccc ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";
if _adee .Data ==nil {return nil ,_fa .Error (_gbccc ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");};if _adee .Width ==0||_adee .Height ==0{return nil ,_fa .Error (_gbccc ,"\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 _adee .HasPadding {_ebce ,_cebd =_cdbf .NewWithData (_adee .Width ,_adee .Height ,_adee .Data );}else {_ebce ,_cebd =_cdbf .NewWithUnpaddedData (_adee .Width ,_adee .Height ,_adee .Data );};if _cebd !=nil {return nil ,_fa .Wrap (_cebd ,_gbccc ,"");
};return _ebce ,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 =='.'};func (_agff *PdfParser )parsePdfVersion ()(int ,int ,error ){var _cgba int64 =20;_agbe :=make ([]byte ,_cgba );_agff ._fdfa .Seek (0,_ed .SeekStart );_agff ._fdfa .Read (_agbe );var _bcca error ;
var _dcgc ,_aada int ;if _cefb :=_abaaa .FindStringSubmatch (string (_agbe ));len (_cefb )< 3{if _dcgc ,_aada ,_bcca =_agff .seekPdfVersionTopDown ();_bcca !=nil {_cdb .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,_bcca ;};_agff ._fdfa ,_bcca =_efca (_agff ._fdfa ,_agff .GetFileOffset ()-8);if _bcca !=nil {return 0,0,_bcca ;};}else {if _dcgc ,_bcca =_dd .Atoi (_cefb [1]);_bcca !=nil {return 0,0,_bcca ;};if _aada ,_bcca =_dd .Atoi (_cefb [2]);_bcca !=nil {return 0,0,_bcca ;
};_agff .SetFileOffset (0);};_agff ._bagdd =_ab .NewReader (_agff ._fdfa );_cdb .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_dcgc ,_aada );return _dcgc ,_aada ,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 ;_gf []XrefObject ;};

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

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

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

// JPXEncoder implements JPX encoder/decoder (dummy, for now)
// FIXME: implement
type JPXEncoder struct{};type cryptFilters map[string ]_afd .Filter ;

// 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 ;};type encryptDict struct{Filter string ;V int ;SubFilter string ;Length int ;StmF string ;StrF string ;
EFF string ;CF map[string ]_afd .FilterDict ;};

// DecodeStream decodes a DCT encoded stream and returns the result as a
// slice of bytes.
func (_gfaba *DCTEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _gfaba .DecodeBytes (streamObj .Stream );};func _acfae (_ceae *PdfObjectDictionary )(_egcaa *_ced .ImageBase ){var (_aceb *PdfObjectInteger ;_aedae bool ;);if _aceb ,_aedae =_ceae .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );
_aedae {_egcaa =&_ced .ImageBase {Width :int (*_aceb )};}else {return nil ;};if _aceb ,_aedae =_ceae .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );_aedae {_egcaa .Height =int (*_aceb );};if _aceb ,_aedae =_ceae .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );
_aedae {_egcaa .BitsPerComponent =int (*_aceb );};if _aceb ,_aedae =_ceae .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );_aedae {_egcaa .ColorComponents =int (*_aceb );};return _egcaa ;};

// 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 (_efed *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_cegb :=n ;_ggba :=0;_afad :=0;for _cegb > 0{_eacd ,_aebf :=_efed ._bagdd .Read (p [_ggba :]);if _aebf !=nil {_cdb .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",_eacd ,_afad ,_aebf .Error ());
return _ggba ,_de .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_afad ++;_ggba +=_eacd ;_cegb -=_eacd ;};return _ggba ,nil ;};var _ceba =_ac .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");


// 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 {_ebcg :=PdfObjectString {_afab :s };return &_ebcg };

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

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


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

// UpdateParams updates the parameter values of the encoder.
func (_fdbg *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _cagf ,_gdfb :=GetNumberAsInt64 (params .Get ("\u004b"));_gdfb ==nil {_fdbg .K =int (_cagf );};if _ceab ,_cadd :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_cadd ==nil {_fdbg .Columns =int (_ceab );}else if _ceab ,_cadd =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_cadd ==nil {_fdbg .Columns =int (_ceab );};if _deag ,_cgfg :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_cgfg ==nil {_fdbg .BlackIs1 =_deag > 0;}else {if _bagc ,_debb :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_debb {_fdbg .BlackIs1 =_bagc ;}else {if _dcba ,_ccba :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_ccba {_deaga ,_fcbf :=_dcba .ToIntegerArray ();if _fcbf ==nil {_fdbg .BlackIs1 =_deaga [0]==1&&_deaga [1]==0;};};};};if _egf ,_cdgag :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_cdgag ==nil {_fdbg .EncodedByteAlign =_egf > 0;}else {if _accg ,_daf :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_daf {_fdbg .EncodedByteAlign =_accg ;};};if _cfb ,_dfbb :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_dfbb ==nil {_fdbg .EndOfLine =_cfb > 0;}else {if _dbfb ,_faba :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_faba {_fdbg .EndOfLine =_dbfb ;};};if _acaa ,_aeef :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));
_aeef ==nil {_fdbg .Rows =int (_acaa );}else if _acaa ,_aeef =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_aeef ==nil {_fdbg .Rows =int (_acaa );};if _bgc ,_fbca :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_fbca ==nil {_fdbg .EndOfBlock =_bgc > 0;}else {if _egec ,_ffe :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_ffe {_fdbg .EndOfBlock =_egec ;};};if _cdbfa ,_egde :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_egde !=nil {_fdbg .DamagedRowsBeforeError =int (_cdbfa );};};

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

// String returns a string representation of `name`.
func (_fdaea *PdfObjectName )String ()string {return string (*_fdaea )};var _bced =_ac .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");


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

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

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

// 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 _gede ,_efcg :=obj .(*PdfObjectReference );_efcg {obj =_gede .Resolve ();};_ddebg ,_bbbba :=obj .(*PdfIndirectObject );_gbeaf :=0;for _bbbba {obj =_ddebg .PdfObject ;_ddebg ,_bbbba =GetIndirect (obj );
_gbeaf ++;if _gbeaf > _bfac {_cdb .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",_bfac );
return nil ;};};return obj ;};

// MakeName creates a PdfObjectName from a string.
func MakeName (s string )*PdfObjectName {_ggbee :=PdfObjectName (s );return &_ggbee };func (_eda *PdfCrypt )isDecrypted (_efc PdfObject )bool {_ ,_cbe :=_eda ._ggg [_efc ];if _cbe {_cdb .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};switch _gbc :=_efc .(type ){case *PdfObjectStream :if _eda ._gcg .R !=5{if _agg ,_edb :=_gbc .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_edb &&*_agg =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_cbe =_eda ._fbe [int (_gbc .ObjectNumber )];
_cbe {return true ;};switch _gcca :=_gbc .PdfObject .(type ){case *PdfObjectDictionary :_bcd :=true ;for _ ,_ebe :=range _bde {if _gcca .Get (_ebe )==nil {_bcd =false ;break ;};};if _bcd {return true ;};};};_cdb .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};

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

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

// ID0 and ID1 are IDs used in the trailer. Older algorithms such as RC4 uses them for encryption.
ID0 ,ID1 string ;};func (_fdb *PdfCrypt )authenticate (_fdeb []byte )(bool ,error ){_fdb ._gcgg =false ;_begb :=_fdb .securityHandler ();_adbe ,_dcb ,_egc :=_begb .Authenticate (&_fdb ._gcg ,_fdeb );if _egc !=nil {return false ,_egc ;}else if _dcb ==0||len (_adbe )==0{return false ,nil ;
};_fdb ._gcgg =true ;_fdb ._dee =_adbe ;return true ,nil ;};func (_aaag *PdfObjectFloat )String ()string {return _e .Sprintf ("\u0025\u0066",*_aaag )};

// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_fg .Model ;Bounds ()_ff .Rectangle ;At (_acfa ,_fdae int )_fg .Color ;Set (_daea ,_abec int ,_dcfd _fg .Color );};

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

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

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

// PdfObjectFloat represents the primitive PDF floating point numerical object.
type PdfObjectFloat float64 ;func (_abea *PdfParser )lookupByNumber (_dbe int ,_da bool )(PdfObject ,bool ,error ){_aeaa ,_gfc :=_abea .ObjCache [_dbe ];if _gfc {_cdb .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",_dbe );
return _aeaa ,false ,nil ;};if _abea ._efcde ==nil {_abea ._efcde =map[int ]bool {};};if _abea ._efcde [_dbe ]{_cdb .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",_dbe );
return nil ,false ,_de .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");};_abea ._efcde [_dbe ]=true ;defer delete (_abea ._efcde ,_dbe );
_afc ,_gfc :=_abea ._aecbd .ObjectMap [_dbe ];if !_gfc {_cdb .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 _cdbb PdfObjectNull ;return &_cdbb ,false ,nil ;};_cdb .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_dbe );if _afc .XType ==XrefTypeTableEntry {_cdb .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_afc .ObjectNumber );
_cdb .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_afc .Generation );_cdb .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_afc .Offset );
_abea ._fdfa .Seek (_afc .Offset ,_ed .SeekStart );_abea ._bagdd =_ab .NewReader (_abea ._fdfa );_fgaf ,_bbb :=_abea .ParseIndirectObject ();if _bbb !=nil {_cdb .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",_bbb );
if _da {_cdb .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");_cgb ,_gg :=_abea .repairRebuildXrefsTopDown ();
if _gg !=nil {_cdb .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_gg );return nil ,false ,_gg ;};_abea ._aecbd =*_cgb ;return _abea .lookupByNumber (_dbe ,false );
};return nil ,false ,_bbb ;};if _da {_cbc ,_ ,_ :=_gb (_fgaf );if int (_cbc )!=_dbe {_cdb .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_fefe :=_abea .rebuildXrefTable ();
if _fefe !=nil {return nil ,false ,_fefe ;};_abea .ObjCache =objectCache {};return _abea .lookupByNumberWrapper (_dbe ,false );};};_cdb .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_abea .ObjCache [_dbe ]=_fgaf ;
return _fgaf ,false ,nil ;}else if _afc .XType ==XrefTypeObjectStream {_cdb .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_cdb .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_cdb .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",_afc .OsObjNumber ,_afc .OsObjIndex );
if _afc .OsObjNumber ==_dbe {_cdb .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 ,_de .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_dfcd :=_abea ._aecbd .ObjectMap [_afc .OsObjNumber ];_dfcd {_afg ,_fed :=_abea .lookupObjectViaOS (_afc .OsObjNumber ,_dbe );if _fed !=nil {_cdb .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_fed );
return nil ,true ,_fed ;};_cdb .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_abea .ObjCache [_dbe ]=_afg ;if _abea ._gffg !=nil {_abea ._gffg ._ggg [_afg ]=true ;};return _afg ,true ,nil ;};_cdb .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 ,_de .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 ,_de .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_ccbg *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_bdb :=MakeDict ();_bdb .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_ccbg .GetFilterArray ());for _ ,_gefg :=range _ccbg ._egg {_gcdb :=_gefg .MakeStreamDict ();for _ ,_fgbf :=range _gcdb .Keys (){_gafb :=_gcdb .Get (_fgbf );
if _fgbf !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_fgbf !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_bdb .Set (_fgbf ,_gafb );};};};_daba :=_ccbg .MakeDecodeParams ();if _daba !=nil {_bdb .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_daba );
};return _bdb ;};var _afdf =_ac .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");

// MakeFloat creates an PdfObjectFloat from a float64.
func MakeFloat (val float64 )*PdfObjectFloat {_effg :=PdfObjectFloat (val );return &_effg };func (_egd *PdfCrypt )loadCryptFilters (_gbe *PdfObjectDictionary )error {_egd ._aca =cryptFilters {};_ffd :=_gbe .Get ("\u0043\u0046");_ffd =TraceToDirectObject (_ffd );
if _fbce ,_dca :=_ffd .(*PdfObjectReference );_dca {_bbae ,_gfa :=_egd ._dec .LookupByReference (*_fbce );if _gfa !=nil {_cdb .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 _gfa ;};_ffd =TraceToDirectObject (_bbae );};_beb ,_cbb :=_ffd .(*PdfObjectDictionary );if !_cbb {_cdb .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_ffd );return _de .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");
};for _ ,_caa :=range _beb .Keys (){_cfc :=_beb .Get (_caa );if _gec ,_acd :=_cfc .(*PdfObjectReference );_acd {_gcfe ,_eef :=_egd ._dec .LookupByReference (*_gec );if _eef !=nil {_cdb .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 _eef ;};_cfc =TraceToDirectObject (_gcfe );};_dfg ,_aeb :=_cfc .(*PdfObjectDictionary );if !_aeb {return _e .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",_caa ,_cfc );
};if _caa =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_cdb .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 _fff _afd .FilterDict ;if _fdg :=_dfd (&_fff ,_dfg );_fdg !=nil {return _fdg ;};_eefg ,_aec :=_afd .NewFilter (_fff );if _aec !=nil {return _aec ;};_egd ._aca [string (_caa )]=_eefg ;};_egd ._aca ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_afd .NewIdentity ();
_egd ._cega ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _cba ,_cce :=_gbe .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_cce {if _ ,_beg :=_egd ._aca [string (*_cba )];!_beg {return _e .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",*_cba );
};_egd ._cega =string (*_cba );};_egd ._bdf ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _gcda ,_adba :=_gbe .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_adba {if _ ,_acg :=_egd ._aca [string (*_gcda )];!_acg {return _e .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",*_gcda );
};_egd ._bdf =string (*_gcda );};return nil ;};

// DecodeGlobals decodes 'encoded' byte stream and returns their Globally defined segments ('Globals').
func (_ecgcg *JBIG2Encoder )DecodeGlobals (encoded []byte )(_eb .Globals ,error ){return _eb .DecodeGlobals (encoded );};func _gb (_cda PdfObject )(int64 ,int64 ,error ){if _ecf ,_dfc :=_cda .(*PdfIndirectObject );_dfc {return _ecf .ObjectNumber ,_ecf .GenerationNumber ,nil ;
};if _gfb ,_ba :=_cda .(*PdfObjectStream );_ba {return _gfb .ObjectNumber ,_gfb .GenerationNumber ,nil ;};return 0,0,_de .New ("\u006e\u006ft\u0020\u0061\u006e\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u002f\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006f\u0062je\u0063\u0074");
};

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

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

// UpdateParams updates the parameter values of the encoder.
// Implements StreamEncoder interface.
func (_dfec *JBIG2Encoder )UpdateParams (params *PdfObjectDictionary ){_gagg ,_bbe :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));if _bbe ==nil {_dfec .BitsPerComponent =int (_gagg );
};_cgde ,_bbe :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));if _bbe ==nil {_dfec .Width =int (_cgde );};_ddfcg ,_bbe :=GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));if _bbe ==nil {_dfec .Height =int (_ddfcg );
};_cbec ,_bbe :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));if _bbe ==nil {_dfec .ColorComponents =int (_cbec );};};func (_eecc *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_acgag :=_eecc ._bagdd .Discard (4);
return PdfObjectNull {},_acgag ;};

// EncodeBytes encodes the passed in slice of bytes by passing it through the
// EncodeBytes method of the underlying encoders.
func (_gfdfe *MultiEncoder )EncodeBytes (data []byte )([]byte ,error ){_gcbc :=data ;var _fcac error ;for _bbag :=len (_gfdfe ._egg )-1;_bbag >=0;_bbag --{_edba :=_gfdfe ._egg [_bbag ];_gcbc ,_fcac =_edba .EncodeBytes (_gcbc );if _fcac !=nil {return nil ,_fcac ;
};};return _gcbc ,nil ;};

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

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

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

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

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

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

// 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 )(_fbbdb int ,_caeg bool ){_gfaf ,_caeg :=TraceToDirectObject (obj ).(*PdfObjectInteger );if _caeg &&_gfaf !=nil {return int (*_gfaf ),true ;};return 0,false ;};const _bfac =10;func _efca (_cgeb _ed .ReadSeeker ,_eaaa int64 )(*offsetReader ,error ){_cebda :=&offsetReader {_geecd :_cgeb ,_eecf :_eaaa };
_ ,_cdcc :=_cebda .Seek (0,_ed .SeekStart );return _cebda ,_cdcc ;};

// 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 (_dbdc *PdfParser )Decrypt (password []byte )(bool ,error ){if _dbdc ._gffg ==nil {return false ,_de .New ("\u0063\u0068\u0065\u0063k \u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0069\u006f\u006e\u0020\u0066\u0069\u0072s\u0074");};_fbba ,_gbafb :=_dbdc ._gffg .authenticate (password );
if _gbafb !=nil {return false ,_gbafb ;};if !_fbba {_fbba ,_gbafb =_dbdc ._gffg .authenticate ([]byte (""));};return _fbba ,_gbafb ;};var _cdcb =_ac .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");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";);

// 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};func _dcef (_aage int )int {_feea :=_aage >>(_degf -1);return (_aage ^_feea )-_feea };var _dabd =_ac .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");


// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_bgb encryptDict ;_gcg _cb .StdEncryptDict ;_dac string ;_dee []byte ;_ggg map[PdfObject ]bool ;_abee map[PdfObject ]bool ;_gcgg bool ;_aca cryptFilters ;_bdf string ;_cega string ;_dec *PdfParser ;_fbe map[int ]struct{};};

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

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

// DCTEncoder provides a DCT (JPG) encoding/decoding functionality for images.
type DCTEncoder struct{ColorComponents int ;BitsPerComponent int ;Width int ;Height int ;Quality int ;};func (_ffdec *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _ebbgd *PdfObjectDictionary ;_ecbdc ,_dcbf :=_ffdec .readTextLine ();if _dcbf !=nil {return nil ,_dcbf ;
};_cdb .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_ecbdc );_debf :=-1;_cgfa :=0;_bfbb :=false ;_gffc :="";for {_ffdec .skipSpaces ();_ ,_gaca :=_ffdec ._bagdd .Peek (1);if _gaca !=nil {return nil ,_gaca ;
};_ecbdc ,_gaca =_ffdec .readTextLine ();if _gaca !=nil {return nil ,_gaca ;};_ccfa :=_efbe .FindStringSubmatch (_ecbdc );if len (_ccfa )==0{_cagdb :=len (_gffc )> 0;_gffc +=_ecbdc +"\u000a";if _cagdb {_ccfa =_efbe .FindStringSubmatch (_gffc );};};if len (_ccfa )==3{_edfe ,_ :=_dd .Atoi (_ccfa [1]);
_dceb ,_ :=_dd .Atoi (_ccfa [2]);_debf =_edfe ;_cgfa =_dceb ;_bfbb =true ;_gffc ="";_cdb .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",_debf ,_cgfa );
continue ;};_gfdd :=_dacb .FindStringSubmatch (_ecbdc );if len (_gfdd )==4{if !_bfbb {_cdb .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 ,_de .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_befe ,_ :=_dd .ParseInt (_gfdd [1],10,64);_gdcca ,_ :=_dd .Atoi (_gfdd [2]);_ecae :=_gfdd [3];_gffc ="";if _af .ToLower (_ecae )=="\u006e"&&_befe > 1{_cdbff ,_bdaed :=_ffdec ._aecbd .ObjectMap [_debf ];if !_bdaed ||_gdcca > _cdbff .Generation {_ddef :=XrefObject {ObjectNumber :_debf ,XType :XrefTypeTableEntry ,Offset :_befe ,Generation :_gdcca };
_ffdec ._aecbd .ObjectMap [_debf ]=_ddef ;};};_debf ++;continue ;};if (len (_ecbdc )> 6)&&(_ecbdc [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_cdb .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_ecbdc );
if len (_ecbdc )> 9{_fafb :=_ffdec .GetFileOffset ();_ffdec .SetFileOffset (_fafb -int64 (len (_ecbdc ))+7);};_ffdec .skipSpaces ();_ffdec .skipComments ();_cdb .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_cdb .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_ecbdc );_ebbgd ,_gaca =_ffdec .ParseDict ();_cdb .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _gaca !=nil {_cdb .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",_gaca );return nil ,_gaca ;};break ;};if _ecbdc =="\u0025\u0025\u0045O\u0046"{_cdb .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 ,_de .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");};_cdb .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_ecbdc );
};_cdb .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 _ffdec ._eedb ==nil {_aefeg :=XrefTypeTableEntry ;_ffdec ._eedb =&_aefeg ;};return _ebbgd ,nil ;};


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

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

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

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_bebg :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _bebg ==nil {return NewRawEncoder (),nil ;};if _ ,_aedef :=_bebg .(*PdfObjectNull );
_aedef {return NewRawEncoder (),nil ;};_eagb ,_egfd :=_bebg .(*PdfObjectName );if !_egfd {_bcgb ,_geef :=_bebg .(*PdfObjectArray );if !_geef {return nil ,_e .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 _bcgb .Len ()==0{return NewRawEncoder (),nil ;};if _bcgb .Len ()!=1{_cebb ,_bgfe :=_dfea (streamObj );if _bgfe !=nil {_cdb .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",_bgfe );
return nil ,_bgfe ;};_cdb .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_cebb );return _cebb ,nil ;};_bebg =_bcgb .Get (0);_eagb ,_geef =_bebg .(*PdfObjectName );if !_geef {return nil ,_e .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 _fdfc ,_agd :=_ccdb .Load (_eagb .String ());_agd {return _fdfc .(StreamEncoder ),nil ;};switch *_eagb {case StreamEncodingFilterNameFlate :return _cag (streamObj ,nil );case StreamEncodingFilterNameLZW :return _dbfg (streamObj ,nil );case StreamEncodingFilterNameDCT :return _gecb (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _bceg (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _ggbe (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _dcdg (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_cdb .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 ,_e .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",*_eagb );};func (_fecc *PdfParser )skipComments ()error {if _ ,_bcdg :=_fecc .skipSpaces ();
_bcdg !=nil {return _bcdg ;};_defg :=true ;for {_fdbd ,_bcee :=_fecc ._bagdd .Peek (1);if _bcee !=nil {_cdb .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_bcee .Error ());return _bcee ;};if _defg &&_fdbd [0]!='%'{return nil ;};_defg =false ;
if (_fdbd [0]!='\r')&&(_fdbd [0]!='\n'){_fecc ._bagdd .ReadByte ();}else {break ;};};return _fecc .skipComments ();};

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_ffa *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_cdb .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_cdb .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_ffa .Predictor );
_acad ,_fca :=_ffa .DecodeBytes (streamObj .Stream );if _fca !=nil {return nil ,_fca ;};_cdb .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_cdb .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_acad ),_acad );
if _ffa .Predictor > 1{if _ffa .Predictor ==2{_cdb .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_gdcb :=_ffa .Columns *_ffa .Colors ;if _gdcb < 1{return []byte {},nil ;};_dggc :=len (_acad )/_gdcb ;if len (_acad )%_gdcb !=0{_cdb .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 ,_e .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 (_acad ),_gdcb );};if _gdcb %_ffa .Colors !=0{return nil ,_e .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",_gdcb ,_ffa .Colors );
};if _gdcb > len (_acad ){_cdb .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",_gdcb ,len (_acad ));
return nil ,_de .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cdb .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_acad ),_acad );
_cacd :=_b .NewBuffer (nil );for _facf :=0;_facf < _dggc ;_facf ++{_fdgb :=_acad [_gdcb *_facf :_gdcb *(_facf +1)];for _bdff :=_ffa .Colors ;_bdff < _gdcb ;_bdff ++{_fdgb [_bdff ]=byte (int (_fdgb [_bdff ]+_fdgb [_bdff -_ffa .Colors ])%256);};_cacd .Write (_fdgb );
};_bfce :=_cacd .Bytes ();_cdb .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_bfce ),_bfce );return _bfce ,nil ;}else if _ffa .Predictor >=10&&_ffa .Predictor <=15{_cdb .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_gacg :=_ffa .Columns *_ffa .Colors +1;if _gacg < 1{return []byte {},nil ;};_efge :=len (_acad )/_gacg ;if len (_acad )%_gacg !=0{return nil ,_e .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 (_acad ),_gacg );
};if _gacg > len (_acad ){_cdb .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",_gacg ,len (_acad ));
return nil ,_de .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_fbcc :=_b .NewBuffer (nil );_cdb .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_ffa .Columns );
_cdb .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_acad ),_gacg ,_efge );_ecbd :=make ([]byte ,_gacg );for _ddfc :=0;_ddfc < _gacg ;_ddfc ++{_ecbd [_ddfc ]=0;
};for _gcag :=0;_gcag < _efge ;_gcag ++{_caab :=_acad [_gacg *_gcag :_gacg *(_gcag +1)];_cbdb :=_caab [0];switch _cbdb {case 0:case 1:for _fgafd :=2;_fgafd < _gacg ;_fgafd ++{_caab [_fgafd ]=byte (int (_caab [_fgafd ]+_caab [_fgafd -1])%256);};case 2:for _daeb :=1;
_daeb < _gacg ;_daeb ++{_caab [_daeb ]=byte (int (_caab [_daeb ]+_ecbd [_daeb ])%256);};default:_cdb .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",_cbdb );
return nil ,_e .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_cbdb );};for _gbd :=0;_gbd < _gacg ;_gbd ++{_ecbd [_gbd ]=_caab [_gbd ];};_fbcc .Write (_caab [1:]);
};_cfe :=_fbcc .Bytes ();return _cfe ,nil ;}else {_cdb .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",_ffa .Predictor );
return nil ,_e .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",_ffa .Predictor );};};return _acad ,nil ;};

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

// 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 ){_degg :=&PdfCrypt {_gcgg :false ,_ggg :make (map[PdfObject ]bool ),_abee :make (map[PdfObject ]bool ),_fbe :make (map[int ]struct{}),_dec :parser };_fdgf ,_gee :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_gee {_cdb .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 _degg ,_de .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 *_fdgf !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_cdb .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",*_fdgf );
return _degg ,_de .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_degg ._bgb .Filter =string (*_fdgf );if _bec ,_ade :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_ade {_degg ._bgb .SubFilter =_bec .Str ();
_cdb .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_bec );};if L ,_efb :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_efb {if (*L %8)!=0{_cdb .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 _degg ,_de .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_degg ._bgb .Length =int (*L );}else {_degg ._bgb .Length =40;};_degg ._bgb .V =0;if _cec ,_adf :=ed .Get ("\u0056").(*PdfObjectInteger );
_adf {V :=int (*_cec );_degg ._bgb .V =V ;if V >=1&&V <=2{_degg ._aca =_dggg (_degg ._bgb .Length );}else if V >=4&&V <=5{if _gccd :=_degg .loadCryptFilters (ed );_gccd !=nil {return _degg ,_gccd ;};}else {_cdb .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 _degg ,_de .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _eag :=_ece (&_degg ._gcg ,ed );_eag !=nil {return _degg ,_eag ;};_bdae :="";if _eceg ,_afed :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_afed &&_eceg .Len ()>=1{_fcc ,_bdc :=GetString (_eceg .Get (0));if !_bdc {return _degg ,_de .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_bdae =_fcc .Str ();}else {_cdb .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");
};_degg ._dac =_bdae ;return _degg ,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 )(_ebgd float64 ,_gdfaf bool ){_egaf ,_gdfaf :=TraceToDirectObject (obj ).(*PdfObjectFloat );if _gdfaf {return float64 (*_egaf ),true ;};return 0,false ;};

// SetFileOffset sets the file to an offset position and resets buffer.
func (_abfa *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_abfa ._fdfa .Seek (offset ,_ed .SeekStart );_abfa ._bagdd =_ab .NewReader (_abfa ._fdfa );};

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

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

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

// GetFilterName returns the name of the encoding filter.
func (_afb *DCTEncoder )GetFilterName ()string {return StreamEncodingFilterNameDCT };func (_gdaff *PdfParser )skipSpaces ()(int ,error ){_fgcbf :=0;for {_bfadc ,_bedga :=_gdaff ._bagdd .ReadByte ();if _bedga !=nil {return 0,_bedga ;};if IsWhiteSpace (_bfadc ){_fgcbf ++;
}else {_gdaff ._bagdd .UnreadByte ();break ;};};return _fgcbf ,nil ;};

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _afd .Filter ,userPass ,ownerPass []byte ,perm _cb .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_afgb :=&PdfCrypt {_abee :make (map[PdfObject ]bool ),_aca :make (cryptFilters ),_gcg :_cb .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _fcf Version ;if cf !=nil {_afa :=cf .PDFVersion ();_fcf .Major ,_fcf .Minor =_afa [0],_afa [1];V ,R :=cf .HandlerVersion ();_afgb ._bgb .V =V ;_afgb ._gcg .R =R ;_afgb ._bgb .Length =cf .KeyLength ()*8;};const (_gaf =_fac ;);_afgb ._aca [_gaf ]=cf ;
if _afgb ._bgb .V >=4{_afgb ._bdf =_gaf ;_afgb ._cega =_gaf ;};_ffc :=_afgb .newEncryptDict ();_gcfg :=_fef .Sum ([]byte (_fe .Now ().Format (_fe .RFC850 )));_ddc :=string (_gcfg [:]);_bbc :=make ([]byte ,100);_g .Read (_bbc );_gcfg =_fef .Sum (_bbc );
_afe :=string (_gcfg [:]);_cdb .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_bbc );_cdb .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_ddc );_afgb ._dac =_ddc ;
_ceg :=_afgb .generateParams (userPass ,ownerPass );if _ceg !=nil {return nil ,nil ,_ceg ;};_ad (&_afgb ._gcg ,_ffc );if _afgb ._bgb .V >=4{if _ebf :=_afgb .saveCryptFilters (_ffc );_ebf !=nil {return nil ,nil ,_ebf ;};};return _afgb ,&EncryptInfo {Version :_fcf ,Encrypt :_ffc ,ID0 :_ddc ,ID1 :_afe },nil ;
};const (JB2Generic JBIG2CompressionType =iota ;JB2SymbolCorrelation ;JB2SymbolRankHaus ;);

// WriteString outputs the object as it is to be written to file.
func (_fceba *PdfObjectArray )WriteString ()string {var _gfbe _af .Builder ;_gfbe .WriteString ("\u005b");for _caffa ,_gega :=range _fceba .Elements (){_gfbe .WriteString (_gega .WriteString ());if _caffa < (_fceba .Len ()-1){_gfbe .WriteString ("\u0020");
};};_gfbe .WriteString ("\u005d");return _gfbe .String ();};func (_gbgfa *PdfParser )readTextLine ()(string ,error ){var _bgdc _b .Buffer ;for {_beba ,_ggecf :=_gbgfa ._bagdd .Peek (1);if _ggecf !=nil {_cdb .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_ggecf .Error ());
return _bgdc .String (),_ggecf ;};if (_beba [0]!='\r')&&(_beba [0]!='\n'){_fbfb ,_ :=_gbgfa ._bagdd .ReadByte ();_bgdc .WriteByte (_fbfb );}else {break ;};};return _bgdc .String (),nil ;};func _dbfg (_edf *PdfObjectStream ,_eegc *PdfObjectDictionary )(*LZWEncoder ,error ){_fcbb :=NewLZWEncoder ();
_gccg :=_edf .PdfObjectDictionary ;if _gccg ==nil {return _fcbb ,nil ;};if _eegc ==nil {_gafg :=TraceToDirectObject (_gccg .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _gafg !=nil {if _aece ,_gbee :=_gafg .(*PdfObjectDictionary );
_gbee {_eegc =_aece ;}else if _fdge ,_gcfc :=_gafg .(*PdfObjectArray );_gcfc {if _fdge .Len ()==1{if _badd ,_dbgb :=GetDict (_fdge .Get (0));_dbgb {_eegc =_badd ;};};};if _eegc ==nil {_cdb .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",_gafg );
return nil ,_e .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_abf :=_gccg .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _abf !=nil {_bbbe ,_gea :=_abf .(*PdfObjectInteger );
if !_gea {_cdb .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",_abf );
return nil ,_e .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_bbbe !=0&&*_bbbe !=1{return nil ,_e .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");
};_fcbb .EarlyChange =int (*_bbbe );}else {_fcbb .EarlyChange =1;};if _eegc ==nil {return _fcbb ,nil ;};if _dfa ,_cfg :=GetIntVal (_eegc .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_cfg {if _dfa ==0||_dfa ==1{_fcbb .EarlyChange =_dfa ;
}else {_cdb .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",_dfa );};};_abf =_eegc .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _abf !=nil {_bgg ,_dbeg :=_abf .(*PdfObjectInteger );if !_dbeg {_cdb .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",_abf );
return nil ,_e .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_fcbb .Predictor =int (*_bgg );};_abf =_eegc .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _abf !=nil {_dbge ,_ggae :=_abf .(*PdfObjectInteger );if !_ggae {_cdb .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 ,_e .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_fcbb .BitsPerComponent =int (*_dbge );};if _fcbb .Predictor > 1{_fcbb .Columns =1;_abf =_eegc .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _abf !=nil {_dfcdg ,_ggacc :=_abf .(*PdfObjectInteger );if !_ggacc {return nil ,_e .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_fcbb .Columns =int (*_dfcdg );
};_fcbb .Colors =1;_abf =_eegc .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _abf !=nil {_eee ,_cfd :=_abf .(*PdfObjectInteger );if !_cfd {return nil ,_e .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");
};_fcbb .Colors =int (*_eee );};};_cdb .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_eegc .String ());return _fcbb ,nil ;};

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

// String returns a descriptive information string about the encryption method used.
func (_bdab *PdfCrypt )String ()string {if _bdab ==nil {return "";};_dea :=_bdab ._bgb .Filter +"\u0020\u002d\u0020";if _bdab ._bgb .V ==0{_dea +="\u0055\u006e\u0064\u006fcu\u006d\u0065\u006e\u0074\u0065\u0064\u0020\u0061\u006c\u0067\u006f\u0072\u0069\u0074h\u006d";
}else if _bdab ._bgb .V ==1{_dea +="\u0052\u0043\u0034:\u0020\u0034\u0030\u0020\u0062\u0069\u0074\u0073";}else if _bdab ._bgb .V ==2{_dea +=_e .Sprintf ("\u0052\u0043\u0034:\u0020\u0025\u0064\u0020\u0062\u0069\u0074\u0073",_bdab ._bgb .Length );}else if _bdab ._bgb .V ==3{_dea +="U\u006e\u0070\u0075\u0062li\u0073h\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d";
}else if _bdab ._bgb .V >=4{_dea +=_e .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",_bdab ._bdf ,_bdab ._cega );
_dea +="\u003b\u0020C\u0072\u0079\u0070t\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0073\u003a";for _bce ,_aga :=range _bdab ._aca {_dea +=_e .Sprintf ("\u0020\u002d\u0020\u0025\u0073\u003a\u0020\u0025\u0073 \u0028\u0025\u0064\u0029",_bce ,_aga .Name (),_aga .KeyLength ());
};};_fbc :=_bdab .GetAccessPermissions ();_dea +=_e .Sprintf ("\u0020\u002d\u0020\u0025\u0023\u0076",_fbc );return _dea ;};func (_ca *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_aff :=MakeDict ();_aff .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));
_aff .Set ("\u0056",MakeInteger (int64 (_ca ._bgb .V )));_aff .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_ca ._bgb .Length )));return _aff ;};func _cddec (_geae ,_bgdf ,_cgcd uint8 )uint8 {_dfee :=int (_cgcd );_ebcea :=int (_bgdf )-_dfee ;
_efea :=int (_geae )-_dfee ;_dfee =_dcef (_ebcea +_efea );_ebcea =_dcef (_ebcea );_efea =_dcef (_efea );if _ebcea <=_efea &&_ebcea <=_dfee {return _geae ;}else if _efea <=_dfee {return _bgdf ;};return _cgcd ;};var _ccdb _f .Map ;

// 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 )(_bfadg string ,_ecaf bool ){_dfbfe ,_ecaf :=TraceToDirectObject (obj ).(*PdfObjectString );if _ecaf {return _dfbfe .Str (),true ;};return ;};

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

// Encrypt an object with specified key. For numbered objects,
// the key argument is not used and a new one is generated based
// on the object and generation number.
// Traverses through all the subobjects (recursive).
//
// Does not look up references..  That should be done prior to calling.
func (_egdc *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _egdc .isEncrypted (obj ){return nil ;};switch _cfa :=obj .(type ){case *PdfIndirectObject :_egdc ._abee [_cfa ]=true ;_cdb .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",_cfa .ObjectNumber ,_cfa .GenerationNumber );
_beee :=_cfa .ObjectNumber ;_bfbc :=_cfa .GenerationNumber ;_fag :=_egdc .Encrypt (_cfa .PdfObject ,_beee ,_bfbc );if _fag !=nil {return _fag ;};return nil ;case *PdfObjectStream :_egdc ._abee [_cfa ]=true ;_gfd :=_cfa .PdfObjectDictionary ;if _geeg ,_aecb :=_gfd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_aecb &&*_geeg =="\u0058\u0052\u0065\u0066"{return nil ;};_aab :=_cfa .ObjectNumber ;_beeb :=_cfa .GenerationNumber ;_cdb .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_aab ,_beeb );
_bdg :=_fac ;if _egdc ._bgb .V >=4{_bdg =_egdc ._bdf ;_cdb .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_egdc ._bdf );if _dbb ,_bdce :=_gfd .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_bdce {if _fab ,_ebfg :=GetName (_dbb .Get (0));_ebfg {if *_fab =="\u0043\u0072\u0079p\u0074"{_bdg ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _fce ,_fbf :=_gfd .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_fbf {if _abeg ,_abb :=_fce .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_abb {if _ ,_aadf :=_egdc ._aca [string (*_abeg )];_aadf {_cdb .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_abeg );
_bdg =string (*_abeg );};};};};};};_cdb .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_bdg );if _bdg =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_def :=_egdc .Encrypt (_cfa .PdfObjectDictionary ,_aab ,_beeb );
if _def !=nil {return _def ;};_cef ,_def :=_egdc .makeKey (_bdg ,uint32 (_aab ),uint32 (_beeb ),_egdc ._dee );if _def !=nil {return _def ;};_cfa .Stream ,_def =_egdc .encryptBytes (_cfa .Stream ,_bdg ,_cef );if _def !=nil {return _def ;};_gfd .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_cfa .Stream ))));
return nil ;case *PdfObjectString :_cdb .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_cgca :=_fac ;if _egdc ._bgb .V >=4{_cdb .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_egdc ._cega );
if _egdc ._cega =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_cgca =_egdc ._cega ;};_bbbb ,_bfad :=_egdc .makeKey (_cgca ,uint32 (parentObjNum ),uint32 (parentGenNum ),_egdc ._dee );if _bfad !=nil {return _bfad ;};_gddd :=_cfa .Str ();
_dccg :=make ([]byte ,len (_gddd ));for _cgd :=0;_cgd < len (_gddd );_cgd ++{_dccg [_cgd ]=_gddd [_cgd ];};_cdb .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_dccg ,_dccg );
_dccg ,_bfad =_egdc .encryptBytes (_dccg ,_cgca ,_bbbb );if _bfad !=nil {return _bfad ;};_cfa ._afab =string (_dccg );return nil ;case *PdfObjectArray :for _ ,_dged :=range _cfa .Elements (){_bfee :=_egdc .Encrypt (_dged ,parentObjNum ,parentGenNum );if _bfee !=nil {return _bfee ;
};};return nil ;case *PdfObjectDictionary :_dcag :=false ;if _geb :=_cfa .Get ("\u0054\u0079\u0070\u0065");_geb !=nil {_gag ,_abbd :=_geb .(*PdfObjectName );if _abbd &&*_gag =="\u0053\u0069\u0067"{_dcag =true ;};};for _ ,_fgf :=range _cfa .Keys (){_bdd :=_cfa .Get (_fgf );
if _dcag &&string (_fgf )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_fgf )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_fgf )!="\u0050\u0072\u0065\u0076"&&string (_fgf )!="\u004c\u0061\u0073\u0074"{_ccfg :=_egdc .Encrypt (_bdd ,parentObjNum ,parentGenNum );
if _ccfg !=nil {return _ccfg ;};};};return nil ;};return nil ;};

// MakeHexString creates an PdfObjectString from a string intended for output as a hexadecimal string.
func MakeHexString (s string )*PdfObjectString {_ecgd :=PdfObjectString {_afab :s ,_adcda :true };return &_ecgd ;};func _cffg (_dfed PdfObject ,_bead int )PdfObject {if _bead > _bfac {_cdb .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",_bfac );
return MakeNull ();};switch _aaagc :=_dfed .(type ){case *PdfIndirectObject :_dfed =_cffg ((*_aaagc ).PdfObject ,_bead +1);case *PdfObjectArray :for _cefa ,_cbdbg :=range (*_aaagc )._bebed {(*_aaagc )._bebed [_cefa ]=_cffg (_cbdbg ,_bead +1);};case *PdfObjectDictionary :for _bacc ,_bbaaf :=range (*_aaagc )._ffgb {(*_aaagc )._ffgb [_bacc ]=_cffg (_bbaaf ,_bead +1);
};_a .Slice ((*_aaagc )._bfga ,func (_eecd ,_gdbb int )bool {return (*_aaagc )._bfga [_eecd ]< (*_aaagc )._bfga [_gdbb ]});};return _dfed ;};

// GetXrefOffset returns the offset of the xref table.
func (_becf *PdfParser )GetXrefOffset ()int64 {return _becf ._abae };func (_bgff *PdfCrypt )makeKey (_fec string ,_dba ,_bbdf uint32 ,_cfcb []byte )([]byte ,error ){_gge ,_eeg :=_bgff ._aca [_fec ];if !_eeg {return nil ,_e .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_fec );
};return _gge .MakeKey (_dba ,_bbdf ,_cfcb );};func _ecdb (_cbgb PdfObject ,_gceb int ,_effge map[PdfObject ]struct{})error {_cdb .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",_gceb );
if _ ,_cdaae :=_effge [_cbgb ];_cdaae {_cdb .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_effge [_cbgb ]=struct{}{};switch _gdcd :=_cbgb .(type ){case *PdfIndirectObject :_dcbb :=_gdcd ;
_cdb .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_dcbb );_cdb .Log .Trace ("\u002d\u0020\u0025\u0073",_dcbb .PdfObject );return _ecdb (_dcbb .PdfObject ,_gceb +1,_effge );case *PdfObjectStream :_eagcb :=_gdcd ;return _ecdb (_eagcb .PdfObjectDictionary ,_gceb +1,_effge );
case *PdfObjectDictionary :_geeab :=_gdcd ;_cdb .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_geeab );for _ ,_aeead :=range _geeab .Keys (){_badaf :=_geeab .Get (_aeead );if _dfeee ,_cfec :=_badaf .(*PdfObjectReference );
_cfec {_acfg :=_dfeee .Resolve ();_geeab .Set (_aeead ,_acfg );_ggaga :=_ecdb (_acfg ,_gceb +1,_effge );if _ggaga !=nil {return _ggaga ;};}else {_fbfbb :=_ecdb (_badaf ,_gceb +1,_effge );if _fbfbb !=nil {return _fbfbb ;};};};return nil ;case *PdfObjectArray :_dafe :=_gdcd ;
_cdb .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_dafe );for _adfa ,_gddb :=range _dafe .Elements (){if _aeeef ,_dffg :=_gddb .(*PdfObjectReference );_dffg {_fgeda :=_aeeef .Resolve ();_dafe .Set (_adfa ,_fgeda );_cgcf :=_ecdb (_fgeda ,_gceb +1,_effge );
if _cgcf !=nil {return _cgcf ;};}else {_fbec :=_ecdb (_gddb ,_gceb +1,_effge );if _fbec !=nil {return _fbec ;};};};return nil ;case *PdfObjectReference :_cdb .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 _de .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");};return nil ;};func (_eeeg *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_eeeg ._aecbd .ObjectMap =make (map[int ]XrefObject );
_eeeg ._dggcg =make (objectStreams );_egdg ,_bdag :=_eeeg ._fdfa .Seek (0,_ed .SeekEnd );if _bdag !=nil {return nil ,_bdag ;};_cdb .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_egdg );_eeeg ._fgab =_egdg ;_bdag =_eeeg .seekToEOFMarker (_egdg );
if _bdag !=nil {_cdb .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",_bdag );return nil ,_bdag ;};_daee ,_bdag :=_eeeg ._fdfa .Seek (0,_ed .SeekCurrent );
if _bdag !=nil {return nil ,_bdag ;};var _gaef int64 =64;_aecc :=_daee -_gaef ;if _aecc < 0{_aecc =0;};_ ,_bdag =_eeeg ._fdfa .Seek (_aecc ,_ed .SeekStart );if _bdag !=nil {return nil ,_bdag ;};_aecf :=make ([]byte ,_gaef );_ ,_bdag =_eeeg ._fdfa .Read (_aecf );
if _bdag !=nil {_cdb .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",_bdag );
return nil ,_bdag ;};_fadd :=_fdaeb .FindStringSubmatch (string (_aecf ));if len (_fadd )< 2{_cdb .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 ,_de .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};if len (_fadd )> 2{_cdb .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",_aecf );
return nil ,_de .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");};_dcde ,_ :=_dd .ParseInt (_fadd [1],10,64);_cdb .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_dcde );
if _dcde > _egdg {_cdb .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");_cdb .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");
_dcde ,_bdag =_eeeg .repairLocateXref ();if _bdag !=nil {_cdb .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 ,_bdag ;};};_eeeg ._fdfa .Seek (_dcde ,_ed .SeekStart );_eeeg ._bagdd =_ab .NewReader (_eeeg ._fdfa );_ddfba ,_bdag :=_eeeg .parseXref ();if _bdag !=nil {return nil ,_bdag ;};_gded :=_ddfba .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");if _gded !=nil {_accgc ,_dfef :=_gded .(*PdfObjectInteger );
if !_dfef {return nil ,_de .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_bdag =_eeeg .parseXrefStream (_accgc );if _bdag !=nil {return nil ,_bdag ;};};var _aeea []int64 ;_agaba :=func (_bbeg int64 ,_cccd []int64 )bool {for _ ,_gcbe :=range _cccd {if _gcbe ==_bbeg {return true ;
};};return false ;};_gded =_ddfba .Get ("\u0050\u0072\u0065\u0076");for _gded !=nil {_eggd ,_efdf :=_gded .(*PdfObjectInteger );if !_efdf {_cdb .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",_gded );
return _ddfba ,nil ;};_fedfb :=*_eggd ;_cdb .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",_fedfb );_eeeg ._fdfa .Seek (int64 (_fedfb ),_ed .SeekStart );
_eeeg ._bagdd =_ab .NewReader (_eeeg ._fdfa );_gffcc ,_aagg :=_eeeg .parseXref ();if _aagg !=nil {_cdb .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");
_cdb .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 ;};_gded =_gffcc .Get ("\u0050\u0072\u0065\u0076");
if _gded !=nil {_afba :=*(_gded .(*PdfObjectInteger ));if _agaba (int64 (_afba ),_aeea ){_cdb .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 ;};_aeea =append (_aeea ,int64 (_afba ));};};return _ddfba ,nil ;};

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

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

// PdfObjectBool represents the primitive PDF boolean object.
type PdfObjectBool bool ;func _dfea (_eggb *PdfObjectStream )(*MultiEncoder ,error ){_fbbd :=NewMultiEncoder ();_caca :=_eggb .PdfObjectDictionary ;if _caca ==nil {return _fbbd ,nil ;};var _adcb *PdfObjectDictionary ;var _cddd []PdfObject ;_ggec :=_caca .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
if _ggec !=nil {_fee ,_debac :=_ggec .(*PdfObjectDictionary );if _debac {_adcb =_fee ;};_geeeg ,_agab :=_ggec .(*PdfObjectArray );if _agab {for _ ,_affa :=range _geeeg .Elements (){_affa =TraceToDirectObject (_affa );if _fdec ,_ecfd :=_affa .(*PdfObjectDictionary );
_ecfd {_cddd =append (_cddd ,_fdec );}else {_cddd =append (_cddd ,MakeDict ());};};};};_ggec =_caca .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");if _ggec ==nil {return nil ,_e .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");
};_gfabc ,_gddcf :=_ggec .(*PdfObjectArray );if !_gddcf {return nil ,_e .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 _aegc ,_ebcc :=range _gfabc .Elements (){_accc ,_fage :=_ebcc .(*PdfObjectName );if !_fage {return nil ,_e .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 _dceg PdfObject ;if _adcb !=nil {_dceg =_adcb ;}else {if len (_cddd )> 0{if _aegc >=len (_cddd ){return nil ,_e .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");
};_dceg =_cddd [_aegc ];};};var _faef *PdfObjectDictionary ;if _facb ,_gde :=_dceg .(*PdfObjectDictionary );_gde {_faef =_facb ;};_cdb .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",*_accc ,_dceg ,_faef );
if *_accc ==StreamEncodingFilterNameFlate {_ffda ,_bfecf :=_cag (_eggb ,_faef );if _bfecf !=nil {return nil ,_bfecf ;};_fbbd .AddEncoder (_ffda );}else if *_accc ==StreamEncodingFilterNameLZW {_afda ,_edee :=_dbfg (_eggb ,_faef );if _edee !=nil {return nil ,_edee ;
};_fbbd .AddEncoder (_afda );}else if *_accc ==StreamEncodingFilterNameASCIIHex {_gdgb :=NewASCIIHexEncoder ();_fbbd .AddEncoder (_gdgb );}else if *_accc ==StreamEncodingFilterNameASCII85 {_fede :=NewASCII85Encoder ();_fbbd .AddEncoder (_fede );}else if *_accc ==StreamEncodingFilterNameDCT {_fdee ,_cbaf :=_gecb (_eggb ,_fbbd );
if _cbaf !=nil {return nil ,_cbaf ;};_fbbd .AddEncoder (_fdee );_cdb .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_cdb .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_fbbd );
}else {_cdb .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_accc );return nil ,_e .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 _fbbd ,nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_egcac *JBIG2Encoder )MakeStreamDict ()*PdfObjectDictionary {_ddd :=MakeDict ();_ddd .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_egcac .GetFilterName ()));return _ddd ;};func (_fdcg *PdfParser )parseObject ()(PdfObject ,error ){_cdb .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");
_fdcg .skipSpaces ();for {_egce ,_bcdb :=_fdcg ._bagdd .Peek (2);if _bcdb !=nil {if _bcdb !=_ed .EOF ||len (_egce )==0{return nil ,_bcdb ;};if len (_egce )==1{_egce =append (_egce ,' ');};};_cdb .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_egce ));
if _egce [0]=='/'{_fbee ,_afcb :=_fdcg .parseName ();_cdb .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_fbee );return &_fbee ,_afcb ;}else if _egce [0]=='('{_cdb .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");
_gaad ,_fcgd :=_fdcg .parseString ();return _gaad ,_fcgd ;}else if _egce [0]=='['{_cdb .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");_fadc ,_gfgg :=_fdcg .parseArray ();return _fadc ,_gfgg ;}else if (_egce [0]=='<')&&(_egce [1]=='<'){_cdb .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");
_ggag ,_bbgg :=_fdcg .ParseDict ();return _ggag ,_bbgg ;}else if _egce [0]=='<'{_cdb .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");_ceed ,_cede :=_fdcg .parseHexString ();return _ceed ,_cede ;}else if _egce [0]=='%'{_fdcg .readComment ();
_fdcg .skipSpaces ();}else {_cdb .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_egce ,_ =_fdcg ._bagdd .Peek (15);_gaadf :=string (_egce );_cdb .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_gaadf );
if (len (_gaadf )> 3)&&(_gaadf [:4]=="\u006e\u0075\u006c\u006c"){_acdgc ,_aaaa :=_fdcg .parseNull ();return &_acdgc ,_aaaa ;}else if (len (_gaadf )> 4)&&(_gaadf [:5]=="\u0066\u0061\u006cs\u0065"){_gfebc ,_ddg :=_fdcg .parseBool ();return &_gfebc ,_ddg ;
}else if (len (_gaadf )> 3)&&(_gaadf [:4]=="\u0074\u0072\u0075\u0065"){_cdgc ,_cgbb :=_fdcg .parseBool ();return &_cdgc ,_cgbb ;};_bdcgb :=_afdf .FindStringSubmatch (_gaadf );if len (_bdcgb )> 1{_egce ,_ =_fdcg ._bagdd .ReadBytes ('R');_cdb .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_egce [:]));
_cdca ,_cfee :=_dgac (string (_egce ));_cdca ._beef =_fdcg ;return &_cdca ,_cfee ;};_feeag :=_fcebd .FindStringSubmatch (_gaadf );if len (_feeag )> 1{_cdb .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");_dbaca ,_defgf :=_fdcg .parseNumber ();
return _dbaca ,_defgf ;};_feeag =_bced .FindStringSubmatch (_gaadf );if len (_feeag )> 1{_cdb .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");_cdb .Log .Trace ("\u0025\u0020\u0073",_feeag );
_babc ,_dade :=_fdcg .parseNumber ();return _babc ,_dade ;};_cdb .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_gaadf );return nil ,_de .New ("\u006f\u0062\u006a\u0065\u0063t\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0065\u0072\u0072\u006fr\u0020\u002d\u0020\u0075\u006e\u0065\u0078\u0070\u0065\u0063\u0074\u0065\u0064\u0020\u0070\u0061\u0074\u0074\u0065\u0072\u006e");
};};};

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

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

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

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

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

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

// Height is the height of the image to encode.
Height int ;_fgeb *_dg .Document ;

// Globals are the JBIG2 global segments.
Globals _eb .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 ;};const _degf =32<<(^uint (0)>>63);

// Append appends PdfObject(s) to the array.
func (_bbba *PdfObjectArray )Append (objects ...PdfObject ){if _bbba ==nil {_cdb .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 ;};_bbba ._bebed =append (_bbba ._bebed ,objects ...);};

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

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

// Update updates multiple keys and returns the dictionary back so can be used in a chained fashion.
func (_gffed *PdfObjectDictionary )Update (objmap map[string ]PdfObject )*PdfObjectDictionary {for _feab ,_aefc :=range objmap {_gffed .Set (PdfObjectName (_feab ),_aefc );};return _gffed ;};

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on the current encoder settings.
func (_facd *JBIG2Encoder )MakeDecodeParams ()PdfObject {return MakeDict ()};func _gfcb (_aad XrefTable ){_cdb .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");_cdb .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_fefa :=0;
for _ ,_cge :=range _aad .ObjectMap {_cdb .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",_fefa +1,_cge .ObjectNumber ,_cge .Generation ,_cge .Offset );
_fefa ++;};};

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

// UpdateParams updates the parameter values of the encoder.
func (_bbaa *DCTEncoder )UpdateParams (params *PdfObjectDictionary ){_edfd ,_fdc :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));if _fdc ==nil {_bbaa .ColorComponents =int (_edfd );};
_bfef ,_fdc :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));if _fdc ==nil {_bbaa .BitsPerComponent =int (_bfef );};_abbdf ,_fdc :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));
if _fdc ==nil {_bbaa .Width =int (_abbdf );};_bffd ,_fdc :=GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));if _fdc ==nil {_bbaa .Height =int (_bffd );};_fcdb ,_fdc :=GetNumberAsInt64 (params .Get ("\u0051u\u0061\u006c\u0069\u0074\u0079"));
if _fdc ==nil {_bbaa .Quality =int (_fcdb );};};type offsetReader struct{_geecd _ed .ReadSeeker ;_eecf int64 ;};

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_fcbfe :=_b .NewReader ([]byte (txt ));_gdbf :=&PdfParser {ObjCache :objectCache {},_fdfa :_fcbfe ,_bagdd :_ab .NewReader (_fcbfe ),_fgab :int64 (len (txt )),_dbga :map[int64 ]bool {}};_gdbf ._aecbd .ObjectMap =make (map[int ]XrefObject );
return _gdbf ;};

// 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 (_cabg *PdfObjectDictionary )GetString (key PdfObjectName )(string ,bool ){_bdcac ,_dgbf :=_cabg ._ffgb [key ].(*PdfObjectString );if !_dgbf {return "",false ;};return _bdcac .Str (),true ;};func _gecb (_bab *PdfObjectStream ,_gfee *MultiEncoder )(*DCTEncoder ,error ){_adgc :=NewDCTEncoder ();
_egca :=_bab .PdfObjectDictionary ;if _egca ==nil {return _adgc ,nil ;};_dbfc :=_bab .Stream ;if _gfee !=nil {_dfbd ,_baae :=_gfee .DecodeBytes (_dbfc );if _baae !=nil {return nil ,_baae ;};_dbfc =_dfbd ;};_bece :=_b .NewReader (_dbfc );_fceb ,_edg :=_fb .DecodeConfig (_bece );
if _edg !=nil {_cdb .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_edg );return nil ,_edg ;};switch _fceb .ColorModel {case _fg .RGBAModel :_adgc .BitsPerComponent =8;
_adgc .ColorComponents =3;case _fg .RGBA64Model :_adgc .BitsPerComponent =16;_adgc .ColorComponents =3;case _fg .GrayModel :_adgc .BitsPerComponent =8;_adgc .ColorComponents =1;case _fg .Gray16Model :_adgc .BitsPerComponent =16;_adgc .ColorComponents =1;
case _fg .CMYKModel :_adgc .BitsPerComponent =8;_adgc .ColorComponents =4;case _fg .YCbCrModel :_adgc .BitsPerComponent =8;_adgc .ColorComponents =3;default:return nil ,_de .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_adgc .Width =_fceb .Width ;_adgc .Height =_fceb .Height ;_cdb .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_adgc );_adgc .Quality =DefaultJPEGQuality ;return _adgc ,nil ;};

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

// 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 _dcec :=obj .(type ){case *PdfObjectFloat :_cdb .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 (*_dcec ),nil ;case *PdfObjectInteger :return int64 (*_dcec ),nil ;};return 0,ErrNotANumber ;};

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

// EqualObjects returns true if `obj1` and `obj2` have the same contents.
//
// NOTE: It is a good idea to flatten obj1 and obj2 with FlattenObject before calling this function
// so that contents, rather than references, can be compared.
func EqualObjects (obj1 ,obj2 PdfObject )bool {return _bbdd (obj1 ,obj2 ,0)};var (ErrUnsupportedEncodingParameters =_de .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 =_de .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 =_de .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 =_de .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 =_de .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_de .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_de .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_ga .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 =_de .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);

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

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

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

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_cdda *CCITTFaxEncoder )MakeDecodeParams ()PdfObject {_eadg :=MakeDict ();_eadg .Set ("\u004b",MakeInteger (int64 (_cdda .K )));_eadg .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_cdda .Columns )));if _cdda .BlackIs1 {_eadg .Set ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031",MakeBool (_cdda .BlackIs1 ));
};if _cdda .EncodedByteAlign {_eadg .Set ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e",MakeBool (_cdda .EncodedByteAlign ));};if _cdda .EndOfLine &&_cdda .K >=0{_eadg .Set ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee",MakeBool (_cdda .EndOfLine ));
};if _cdda .Rows !=0&&!_cdda .EndOfBlock {_eadg .Set ("\u0052\u006f\u0077\u0073",MakeInteger (int64 (_cdda .Rows )));};if !_cdda .EndOfBlock {_eadg .Set ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b",MakeBool (_cdda .EndOfBlock ));};if _cdda .DamagedRowsBeforeError !=0{_eadg .Set ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072",MakeInteger (int64 (_cdda .DamagedRowsBeforeError )));
};return _eadg ;};func _dcdg (_abdg *PdfObjectStream ,_eab *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _acda ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";_ggaccd :=NewJBIG2Encoder ();
_beff :=_abdg .PdfObjectDictionary ;if _beff ==nil {return _ggaccd ,nil ;};if _eab ==nil {_abga :=_beff .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _abga !=nil {switch _acag :=_abga .(type ){case *PdfObjectDictionary :_eab =_acag ;
case *PdfObjectArray :if _acag .Len ()==1{if _eega ,_eggf :=GetDict (_acag .Get (0));_eggf {_eab =_eega ;};};default:_cdb .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",_abga );
return nil ,_fa .Errorf (_acda ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_acag );};};};if _eab ==nil {return _ggaccd ,nil ;};_ggaccd .UpdateParams (_eab );
_eagc ,_cdbe :=GetStream (_eab .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_cdbe {return _ggaccd ,nil ;};var _eba error ;_ggaccd .Globals ,_eba =_eb .DecodeGlobals (_eagc .Stream );if _eba !=nil {_eba =_fa .Wrap (_eba ,_acda ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_cdb .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_eba );return nil ,_eba ;};return _ggaccd ,nil ;};const (XrefTypeTableEntry xrefType =iota ;XrefTypeObjectStream xrefType =iota ;);

// WriteString outputs the object as it is to be written to file.
func (_aacg *PdfObjectBool )WriteString ()string {if *_aacg {return "\u0074\u0072\u0075\u0065";};return "\u0066\u0061\u006cs\u0065";};var _fdaeb =_ac .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");


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

// ReadBytesAt reads byte content at specific offset and length within the PDF.
func (_gfabe *PdfParser )ReadBytesAt (offset ,len int64 )([]byte ,error ){_abcg :=_gfabe .GetFileOffset ();_ ,_edcf :=_gfabe ._fdfa .Seek (offset ,_ed .SeekStart );if _edcf !=nil {return nil ,_edcf ;};_eeef :=make ([]byte ,len );_ ,_edcf =_ed .ReadAtLeast (_gfabe ._fdfa ,_eeef ,int (len ));
if _edcf !=nil {return nil ,_edcf ;};_gfabe .SetFileOffset (_abcg );return _eeef ,nil ;};

// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_bdcc *PdfCrypt )GetAccessPermissions ()_cb .Permissions {return _bdcc ._gcg .P };

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

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

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

// 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 )(_bccb *PdfObjectDictionary ,_deae bool ){_bccb ,_deae =TraceToDirectObject (obj ).(*PdfObjectDictionary );return _bccb ,_deae ;};func _ece (_dega *_cb .StdEncryptDict ,_acb *PdfObjectDictionary )error {R ,_gga :=_acb .Get ("\u0052").(*PdfObjectInteger );
if !_gga {return _de .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 _e .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0052 \u0028\u0025\u0064\u0029",*R );
};_dega .R =int (*R );O ,_gga :=_acb .GetString ("\u004f");if !_gga {return _de .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 _dega .R ==5||_dega .R ==6{if len (O )< 48{return _e .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 _e .Errorf ("L\u0065n\u0067\u0074\u0068\u0028\u004f\u0029\u0020\u0021=\u0020\u0033\u0032\u0020(%\u0064\u0029",len (O ));};_dega .O =[]byte (O );U ,_gga :=_acb .GetString ("\u0055");if !_gga {return _de .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 _dega .R ==5||_dega .R ==6{if len (U )< 48{return _e .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{_cdb .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 ));
};_dega .U =[]byte (U );if _dega .R >=5{OE ,_bcc :=_acb .GetString ("\u004f\u0045");if !_bcc {return _de .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 _e .Errorf ("L\u0065\u006e\u0067\u0074h(\u004fE\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (OE ));};_dega .OE =[]byte (OE );UE ,_bcc :=_acb .GetString ("\u0055\u0045");if !_bcc {return _de .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 _e .Errorf ("L\u0065\u006e\u0067\u0074h(\u0055E\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (UE ));};_dega .UE =[]byte (UE );};P ,_gga :=_acb .Get ("\u0050").(*PdfObjectInteger );if !_gga {return _de .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");
};_dega .P =_cb .Permissions (*P );if _dega .R ==6{Perms ,_bba :=_acb .GetString ("\u0050\u0065\u0072m\u0073");if !_bba {return _de .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 _e .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 ));};_dega .Perms =[]byte (Perms );};if _bfe ,_aee :=_acb .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_aee {_dega .EncryptMetadata =bool (*_bfe );}else {_dega .EncryptMetadata =true ;};return nil ;};

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

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

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

// For predictors
Columns int ;Colors int ;

// LZW algorithm setting.
EarlyChange int ;};var _efbe =_ac .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_ggebe []float64 ,_babd error ){for _ ,_dddb :=range objects {_cadb ,_gffef :=GetNumberAsFloat (_dddb );if _gffef !=nil {return nil ,_gffef ;};_ggebe =append (_ggebe ,_cadb );};return _ggebe ,nil ;};func _bbdd (_ebef ,_agfg PdfObject ,_eafa int )bool {if _eafa > _bfac {_cdb .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",_bfac );
return false ;};if _ebef ==nil &&_agfg ==nil {return true ;}else if _ebef ==nil ||_agfg ==nil {return false ;};if _c .TypeOf (_ebef )!=_c .TypeOf (_agfg ){return false ;};switch _gbgd :=_ebef .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_gbgd ==*(_agfg .(*PdfObjectName ));case *PdfObjectString :return *_gbgd ==*(_agfg .(*PdfObjectString ));case *PdfObjectInteger :return *_gbgd ==*(_agfg .(*PdfObjectInteger ));case *PdfObjectBool :return *_gbgd ==*(_agfg .(*PdfObjectBool ));
case *PdfObjectFloat :return *_gbgd ==*(_agfg .(*PdfObjectFloat ));case *PdfIndirectObject :return _bbdd (TraceToDirectObject (_ebef ),TraceToDirectObject (_agfg ),_eafa +1);case *PdfObjectArray :_bddb :=_agfg .(*PdfObjectArray );if len ((*_gbgd )._bebed )!=len ((*_bddb )._bebed ){return false ;
};for _cdddc ,_bbbbc :=range (*_gbgd )._bebed {if !_bbdd (_bbbbc ,(*_bddb )._bebed [_cdddc ],_eafa +1){return false ;};};return true ;case *PdfObjectDictionary :_ggbc :=_agfg .(*PdfObjectDictionary );_acccd ,_ccega :=(*_gbgd )._ffgb ,(*_ggbc )._ffgb ;if len (_acccd )!=len (_ccega ){return false ;
};for _bbdb ,_bcff :=range _acccd {_ecgf ,_eaec :=_ccega [_bbdb ];if !_eaec ||!_bbdd (_bcff ,_ecgf ,_eafa +1){return false ;};};return true ;case *PdfObjectStream :_bcbg :=_agfg .(*PdfObjectStream );return _bbdd ((*_gbgd ).PdfObjectDictionary ,(*_bcbg ).PdfObjectDictionary ,_eafa +1);
default:_cdb .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",_ebef );
};return false ;};

// Elements returns a slice of the PdfObject elements in the array.
func (_befa *PdfObjectArray )Elements ()[]PdfObject {if _befa ==nil {return nil ;};return _befa ._bebed ;};var _bde =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};

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

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

// 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 (_dbac *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _bfcf _ced .Gray ;switch len (data ){case _dbac .Rows *_dbac .Columns :_afdcg ,_cbeecg :=_ced .NewImage (_dbac .Columns ,_dbac .Rows ,8,1,data ,nil ,nil );if _cbeecg !=nil {return nil ,_cbeecg ;
};_bfcf =_afdcg .(_ced .Gray );case (_dbac .Columns *_dbac .Rows )+7>>3:_bea ,_bcab :=_ced .NewImage (_dbac .Columns ,_dbac .Rows ,1,1,data ,nil ,nil );if _bcab !=nil {return nil ,_bcab ;};_bbdc :=_bea .(*_ced .Monochrome );if _bcab =_bbdc .AddPadding ();
_bcab !=nil {return nil ,_bcab ;};_bfcf =_bbdc ;default:if len (data )< _ced .BytesPerLine (_dbac .Columns ,1,1)*_dbac .Rows {return nil ,_de .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_fcdc ,_dfe :=_ced .NewImage (_dbac .Columns ,_dbac .Rows ,1,1,data ,nil ,nil );if _dfe !=nil {return nil ,_dfe ;};_edc :=_fcdc .(*_ced .Monochrome );_bfcf =_edc ;};_dgeb :=make ([][]byte ,_dbac .Rows );for _ebfa :=0;_ebfa < _dbac .Rows ;_ebfa ++{_gbcba :=make ([]byte ,_dbac .Columns );
for _aaee :=0;_aaee < _dbac .Columns ;_aaee ++{_gfed :=_bfcf .GrayAt (_aaee ,_ebfa );_gbcba [_aaee ]=_gfed .Y >>7;};_dgeb [_ebfa ]=_gbcba ;};_dcab :=&_ee .Encoder {K :_dbac .K ,Columns :_dbac .Columns ,EndOfLine :_dbac .EndOfLine ,EndOfBlock :_dbac .EndOfBlock ,BlackIs1 :_dbac .BlackIs1 ,DamagedRowsBeforeError :_dbac .DamagedRowsBeforeError ,Rows :_dbac .Rows ,EncodedByteAlign :_dbac .EncodedByteAlign };
return _dcab .Encode (_dgeb ),nil ;};

// MakeStream creates an PdfObjectStream with specified contents and encoding. If encoding is nil, then raw encoding
// will be used (i.e. no encoding applied).
func MakeStream (contents []byte ,encoder StreamEncoder )(*PdfObjectStream ,error ){_bfgab :=&PdfObjectStream {};if encoder ==nil {encoder =NewRawEncoder ();};_bfgab .PdfObjectDictionary =encoder .MakeStreamDict ();_eebag ,_deaa :=encoder .EncodeBytes (contents );
if _deaa !=nil {return nil ,_deaa ;};_bfgab .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_eebag ))));_bfgab .Stream =_eebag ;return _bfgab ,nil ;};func (_bagd *PdfCrypt )saveCryptFilters (_dag *PdfObjectDictionary )error {if _bagd ._bgb .V < 4{return _de .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");
};_dbf :=MakeDict ();_dag .Set ("\u0043\u0046",_dbf );for _bed ,_gcb :=range _bagd ._aca {if _bed =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_aeca :=_dggb (_gcb ,"");_dbf .Set (PdfObjectName (_bed ),_aeca );};_dag .Set ("\u0053\u0074\u0072\u0046",MakeName (_bagd ._cega ));
_dag .Set ("\u0053\u0074\u006d\u0046",MakeName (_bagd ._bdf ));return nil ;};

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

// Resolve resolves the reference and returns the indirect or stream object.
// If the reference cannot be resolved, a *PdfObjectNull object is returned.
func (_gfddd *PdfObjectReference )Resolve ()PdfObject {if _gfddd ._beef ==nil {return MakeNull ();};_bddg ,_ ,_feded :=_gfddd ._beef .resolveReference (_gfddd );if _feded !=nil {_cdb .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",_feded );
return MakeNull ();};if _bddg ==nil {_cdb .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 _bddg ;};func (_dafa *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _dafa ._aeaab {return nil ,_e .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");};_dafa ._aeaab =true ;
_dafa ._fdfa .Seek (0,_ed .SeekStart );_dafa ._bagdd =_ab .NewReader (_dafa ._fdfa );_gabff :=20;_gced :=make ([]byte ,_gabff );_abca :=XrefTable {};_abca .ObjectMap =make (map[int ]XrefObject );for {_faee ,_fbbb :=_dafa ._bagdd .ReadByte ();if _fbbb !=nil {if _fbbb ==_ed .EOF {break ;
}else {return nil ,_fbbb ;};};if _faee =='j'&&_gced [_gabff -1]=='b'&&_gced [_gabff -2]=='o'&&IsWhiteSpace (_gced [_gabff -3]){_aabe :=_gabff -4;for IsWhiteSpace (_gced [_aabe ])&&_aabe > 0{_aabe --;};if _aabe ==0||!IsDecimalDigit (_gced [_aabe ]){continue ;
};for IsDecimalDigit (_gced [_aabe ])&&_aabe > 0{_aabe --;};if _aabe ==0||!IsWhiteSpace (_gced [_aabe ]){continue ;};for IsWhiteSpace (_gced [_aabe ])&&_aabe > 0{_aabe --;};if _aabe ==0||!IsDecimalDigit (_gced [_aabe ]){continue ;};for IsDecimalDigit (_gced [_aabe ])&&_aabe > 0{_aabe --;
};if _aabe ==0{continue ;};_gdddc :=_dafa .GetFileOffset ()-int64 (_gabff -_aabe );_bccbe :=append (_gced [_aabe +1:],_faee );_geaa ,_bfegfa ,_ffcg :=_gacd (string (_bccbe ));if _ffcg !=nil {_cdb .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",_ffcg );
return nil ,_ffcg ;};if _fgae ,_egaa :=_abca .ObjectMap [_geaa ];!_egaa ||_fgae .Generation < _bfegfa {_fegd :=XrefObject {};_fegd .XType =XrefTypeTableEntry ;_fegd .ObjectNumber =_geaa ;_fegd .Generation =_bfegfa ;_fegd .Offset =_gdddc ;_abca .ObjectMap [_geaa ]=_fegd ;
};};_gced =append (_gced [1:_gabff ],_faee );};_dafa ._efcde =nil ;return &_abca ,nil ;};const (_ebcd =0;_fafd =1;_gfbg =2;_ggc =3;_cfcf =4;);

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

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

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

// 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 )(_cde *PdfObjectArray ,_ccda bool ){_cde ,_ccda =TraceToDirectObject (obj ).(*PdfObjectArray );return _cde ,_ccda ;};func _ffgg (_afbf _ced .Image )*JBIG2Image {_efbdg :=_afbf .Base ();return &JBIG2Image {Data :_efbdg .Data ,Width :_efbdg .Width ,Height :_efbdg .Height ,HasPadding :true };
};

// WriteString outputs the object as it is to be written to file.
func (_bdfd *PdfObjectString )WriteString ()string {var _bcdbe _b .Buffer ;if _bdfd ._adcda {_agec :=_df .EncodeToString (_bdfd .Bytes ());_bcdbe .WriteString ("\u003c");_bcdbe .WriteString (_agec );_bcdbe .WriteString ("\u003e");return _bcdbe .String ();
};_efgf :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_bcdbe .WriteString ("\u0028");for _adfd :=0;_adfd < len (_bdfd ._afab );
_adfd ++{_edfa :=_bdfd ._afab [_adfd ];if _cae ,_aacc :=_efgf [_edfa ];_aacc {_bcdbe .WriteString (_cae );}else {_bcdbe .WriteByte (_edfa );};};_bcdbe .WriteString ("\u0029");return _bcdbe .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 (_eeee *MultiEncoder )GetFilterName ()string {_bdea :="";for _cafae ,_efbb :=range _eeee ._egg {_bdea +=_efbb .GetFilterName ();if _cafae < len (_eeee ._egg )-1{_bdea +="\u0020";};};return _bdea ;};func _ggbe (_deedd *PdfObjectStream ,_eaaf *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_aefe :=NewCCITTFaxEncoder ();
_bef :=_deedd .PdfObjectDictionary ;if _bef ==nil {return _aefe ,nil ;};if _eaaf ==nil {_fcbe :=TraceToDirectObject (_bef .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _fcbe !=nil {switch _gccde :=_fcbe .(type ){case *PdfObjectDictionary :_eaaf =_gccde ;
case *PdfObjectArray :if _gccde .Len ()==1{if _dgcb ,_dgdf :=GetDict (_gccde .Get (0));_dgdf {_eaaf =_dgcb ;};};default:_cdb .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",_fcbe );
return nil ,_de .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _eaaf ==nil {_cdb .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",_fcbe );
return nil ,_de .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _ebbf ,_bbca :=GetNumberAsInt64 (_eaaf .Get ("\u004b"));_bbca ==nil {_aefe .K =int (_ebbf );};if _cebc ,_aaed :=GetNumberAsInt64 (_eaaf .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_aaed ==nil {_aefe .Columns =int (_cebc );}else {_aefe .Columns =1728;};if _efgd ,_bca :=GetNumberAsInt64 (_eaaf .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_bca ==nil {_aefe .BlackIs1 =_efgd > 0;}else {if _bebe ,_eea :=GetBoolVal (_eaaf .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_eea {_aefe .BlackIs1 =_bebe ;}else {if _gbcc ,_bgfb :=GetArray (_eaaf .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_bgfb {_aafc ,_cfac :=_gbcc .ToIntegerArray ();if _cfac ==nil {_aefe .BlackIs1 =_aafc [0]==1&&_aafc [1]==0;};};};};if _baga ,_debd :=GetNumberAsInt64 (_eaaf .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_debd ==nil {_aefe .EncodedByteAlign =_baga > 0;}else {if _cgfe ,_bcdf :=GetBoolVal (_eaaf .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_bcdf {_aefe .EncodedByteAlign =_cgfe ;};};if _gbf ,_ffaa :=GetNumberAsInt64 (_eaaf .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_ffaa ==nil {_aefe .EndOfLine =_gbf > 0;}else {if _ecce ,_ebgb :=GetBoolVal (_eaaf .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_ebgb {_aefe .EndOfLine =_ecce ;};};if _ebbc ,_acdg :=GetNumberAsInt64 (_eaaf .Get ("\u0052\u006f\u0077\u0073"));_acdg ==nil {_aefe .Rows =int (_ebbc );
};_aefe .EndOfBlock =true ;if _fecac ,_aefa :=GetNumberAsInt64 (_eaaf .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_aefa ==nil {_aefe .EndOfBlock =_fecac > 0;}else {if _gdgg ,_cdde :=GetBoolVal (_eaaf .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_cdde {_aefe .EndOfBlock =_gdgg ;};};if _ebcbd ,_cddf :=GetNumberAsInt64 (_eaaf .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_cddf !=nil {_aefe .DamagedRowsBeforeError =int (_ebcbd );
};_cdb .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_eaaf .String ());return _aefe ,nil ;};

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

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

// 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 ;};

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

// 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 )(_gfgff string ,_acbga bool ){_edgec ,_acbga :=TraceToDirectObject (obj ).(*PdfObjectName );if _acbga {return string (*_edgec ),true ;};return ;};func (_gafgd *PdfParser )parseBool ()(PdfObjectBool ,error ){_ebcee ,_dbcfc :=_gafgd ._bagdd .Peek (4);
if _dbcfc !=nil {return PdfObjectBool (false ),_dbcfc ;};if (len (_ebcee )>=4)&&(string (_ebcee [:4])=="\u0074\u0072\u0075\u0065"){_gafgd ._bagdd .Discard (4);return PdfObjectBool (true ),nil ;};_ebcee ,_dbcfc =_gafgd ._bagdd .Peek (5);if _dbcfc !=nil {return PdfObjectBool (false ),_dbcfc ;
};if (len (_ebcee )>=5)&&(string (_ebcee [:5])=="\u0066\u0061\u006cs\u0065"){_gafgd ._bagdd .Discard (5);return PdfObjectBool (false ),nil ;};return PdfObjectBool (false ),_de .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");
};

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_cceg *PdfParser )GetFileOffset ()int64 {_ffef ,_ :=_cceg ._fdfa .Seek (0,_ed .SeekCurrent );_ffef -=int64 (_cceg ._bagdd .Buffered ());return _ffef ;};

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

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

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

// 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 _bcga _b .Buffer ;_bcga .Write ([]byte {0xFE,0xFF});_bcga .WriteString (_dc .StringToUTF16 (s ));return &PdfObjectString {_afab :_bcga .String (),_adcda :true };};return &PdfObjectString {_afab :string (_dc .StringToPDFDocEncoding (s )),_adcda :false };
};

// 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 (_bgcc *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _fdgec ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _bgcc .ColorComponents !=1||_bgcc .BitsPerComponent !=1{return nil ,_fa .Errorf (_fdgec ,"\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 (_gbba *_cdbf .Bitmap ;_gccdg error ;);_gba :=(_bgcc .Width *_bgcc .Height )==len (data );if _gba {_gbba ,_gccdg =_cdbf .NewWithUnpaddedData (_bgcc .Width ,_bgcc .Height ,data );}else {_gbba ,_gccdg =_cdbf .NewWithData (_bgcc .Width ,_bgcc .Height ,data );
};if _gccdg !=nil {return nil ,_gccdg ;};_dfde :=_bgcc .DefaultPageSettings ;if _gccdg =_dfde .Validate ();_gccdg !=nil {return nil ,_fa .Wrap (_gccdg ,_fdgec ,"");};if _bgcc ._fgeb ==nil {_bgcc ._fgeb =_dg .InitEncodeDocument (_dfde .FileMode );};switch _dfde .Compression {case JB2Generic :if _gccdg =_bgcc ._fgeb .AddGenericPage (_gbba ,_dfde .DuplicatedLinesRemoval );
_gccdg !=nil {return nil ,_fa .Wrap (_gccdg ,_fdgec ,"");};case JB2SymbolCorrelation :return nil ,_fa .Error (_fdgec ,"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 ,_fa .Error (_fdgec ,"\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 ,_fa .Error (_fdgec ,"\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 _bgcc .Encode ();};func (_babdd *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_babdd ._fdfa .Seek (0,_ed .SeekStart );
_babdd ._bagdd =_ab .NewReader (_babdd ._fdfa );_defde :=20;_egcbd :=make ([]byte ,_defde );for {_gggfg ,_ffbc :=_babdd ._bagdd .ReadByte ();if _ffbc !=nil {if _ffbc ==_ed .EOF {break ;}else {return 0,0,_ffbc ;};};if IsDecimalDigit (_gggfg )&&_egcbd [_defde -1]=='.'&&IsDecimalDigit (_egcbd [_defde -2])&&_egcbd [_defde -3]=='-'&&_egcbd [_defde -4]=='F'&&_egcbd [_defde -5]=='D'&&_egcbd [_defde -6]=='P'{_ggbf :=int (_egcbd [_defde -2]-'0');
_decac :=int (_gggfg -'0');return _ggbf ,_decac ,nil ;};_egcbd =append (_egcbd [1:_defde ],_gggfg );};return 0,0,_de .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};

// GetFilterName returns the name of the encoding filter.
func (_aae *LZWEncoder )GetFilterName ()string {return StreamEncodingFilterNameLZW };func _dcce (_agbda PdfObject )(*float64 ,error ){switch _fbbaf :=_agbda .(type ){case *PdfObjectFloat :_efce :=float64 (*_fbbaf );return &_efce ,nil ;case *PdfObjectInteger :_gfdc :=float64 (*_fbbaf );
return &_gfdc ,nil ;case *PdfObjectNull :return nil ,nil ;};return nil ,ErrNotANumber ;};func (_bdcf *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_ed .SeekStart {offset +=_bdcf ._eecf ;};_acfc ,_dfdf :=_bdcf ._geecd .Seek (offset ,whence );
if _dfdf !=nil {return _acfc ,_dfdf ;};if whence ==_ed .SeekCurrent {_acfc -=_bdcf ._eecf ;};if _acfc < 0{return 0,_de .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 _acfc ,nil ;};

// EncodeBytes ASCII encodes the passed in slice of bytes.
func (_cfgg *ASCIIHexEncoder )EncodeBytes (data []byte )([]byte ,error ){var _bgd _b .Buffer ;for _ ,_bage :=range data {_bgd .WriteString (_e .Sprintf ("\u0025\u002e\u0032X\u0020",_bage ));};_bgd .WriteByte ('>');return _bgd .Bytes (),nil ;};func (_gc *PdfParser )lookupObjectViaOS (_ag int ,_deg int )(PdfObject ,error ){var _ef *_b .Reader ;
var _bf objectStream ;var _dff bool ;_bf ,_dff =_gc ._dggcg [_ag ];if !_dff {_fbd ,_gcf :=_gc .LookupByNumber (_ag );if _gcf !=nil {_cdb .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",_ag );
return nil ,_gcf ;};_bg ,_gcc :=_fbd .(*PdfObjectStream );if !_gcc {return nil ,_de .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _gc ._gffg !=nil &&!_gc ._gffg .isDecrypted (_bg ){return nil ,_de .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");
};_aa :=_bg .PdfObjectDictionary ;_cdb .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_aa .String ());_fga ,_gcc :=_aa .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_gcc {_cdb .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 ,_de .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 _af .ToLower (string (*_fga ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_cdb .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 ,_de .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 ,_gcc :=_aa .Get ("\u004e").(*PdfObjectInteger );if !_gcc {return nil ,_de .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");
};_ea ,_gcc :=_aa .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_gcc {return nil ,_de .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");
};_cdb .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",_fga ,*N );_fd ,_gcf :=DecodeStream (_bg );if _gcf !=nil {return nil ,_gcf ;
};_cdb .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_fd );_abe :=_gc .GetFileOffset ();defer func (){_gc .SetFileOffset (_abe )}();_ef =_b .NewReader (_fd );_gc ._bagdd =_ab .NewReader (_ef );_cdb .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_bd :=map[int ]int64 {};for _dgg :=0;_dgg < int (*N );_dgg ++{_gc .skipSpaces ();_bfb ,_eed :=_gc .parseNumber ();if _eed !=nil {return nil ,_eed ;};_fdd ,_ead :=_bfb .(*PdfObjectInteger );if !_ead {return nil ,_de .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");
};_gc .skipSpaces ();_bfb ,_eed =_gc .parseNumber ();if _eed !=nil {return nil ,_eed ;};_abd ,_ead :=_bfb .(*PdfObjectInteger );if !_ead {return nil ,_de .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");
};_cdb .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_fdd ,*_abd );_bd [int (*_fdd )]=int64 (*_ea +*_abd );};_bf =objectStream {N :int (*N ),_dcc :_fd ,_ddb :_bd };_gc ._dggcg [_ag ]=_bf ;}else {_bc :=_gc .GetFileOffset ();
defer func (){_gc .SetFileOffset (_bc )}();_ef =_b .NewReader (_bf ._dcc );_gc ._bagdd =_ab .NewReader (_ef );};_dga :=_bf ._ddb [_deg ];_cdb .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_deg ,_dga );
_ef .Seek (_dga ,_ed .SeekStart );_gc ._bagdd =_ab .NewReader (_ef );_cgf ,_ :=_gc ._bagdd .Peek (100);_cdb .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_cgf ));_eadf ,_ge :=_gc .parseObject ();if _ge !=nil {_cdb .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",_ge );
return nil ,_ge ;};if _eadf ==nil {return nil ,_de .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");};_cf :=PdfIndirectObject {};_cf .ObjectNumber =int64 (_deg );_cf .PdfObject =_eadf ;return &_cf ,nil ;
};

// 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 ;};func _dcabg ()string {return _cdb .Version };

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

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

// 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 _ed .ReadSeeker )(*PdfParser ,error ){_cbaa :=&PdfParser {_fdfa :rs ,ObjCache :make (objectCache ),_dbga :map[int64 ]bool {}};_facbc ,_feec ,_fega :=_cbaa .parsePdfVersion ();if _fega !=nil {_cdb .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",_fega );
return nil ,_fega ;};_cbaa ._acgf .Major =_facbc ;_cbaa ._acgf .Minor =_feec ;if _cbaa ._fbcea ,_fega =_cbaa .loadXrefs ();_fega !=nil {_cdb .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",_fega );
return nil ,_fega ;};_cdb .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_cbaa ._fbcea );if len (_cbaa ._aecbd .ObjectMap )==0{return nil ,_e .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 _cbaa ,nil ;};

// DecodeImages decodes the page images from the jbig2 'encoded' data input.
// The jbig2 document may contain multiple pages, thus the function can return multiple
// images. The images order corresponds to the page number.
func (_ccbgc *JBIG2Encoder )DecodeImages (encoded []byte )([]_ff .Image ,error ){const _gdafa ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_bbgf ,_fgca :=_ae .Decode (encoded ,_ae .Parameters {},_ccbgc .Globals .ToDocumentGlobals ());
if _fgca !=nil {return nil ,_fa .Wrap (_fgca ,_gdafa ,"");};_ffde ,_fgca :=_bbgf .PageNumber ();if _fgca !=nil {return nil ,_fa .Wrap (_fgca ,_gdafa ,"");};_gedf :=[]_ff .Image {};var _bada _ff .Image ;for _cgbc :=1;_cgbc <=_ffde ;_cgbc ++{_bada ,_fgca =_bbgf .DecodePageImage (_cgbc );
if _fgca !=nil {return nil ,_fa .Wrapf (_fgca ,_gdafa ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_cgbc );};_gedf =append (_gedf ,_bada );};return _gedf ,nil ;};

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

// 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 (_cacb *PdfObjectString )Str ()string {return _cacb ._afab };

// UpdateParams updates the parameter values of the encoder.
func (_dcfb *RawEncoder )UpdateParams (params *PdfObjectDictionary ){};var _eggc =_ac .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");

// 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 (_ceaf *PdfParser )GetTrailer ()*PdfObjectDictionary {return _ceaf ._fbcea };

// 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 (_feggc *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_faeg :=PdfIndirectObject {};_faeg ._beef =_feggc ;_cdb .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_gfeab ,_affd :=_feggc ._bagdd .Peek (20);
if _affd !=nil {if _affd !=_ed .EOF {_cdb .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 &_faeg ,_affd ;
};};_cdb .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_gfeab ));_dbgee :=_dabd .FindStringSubmatchIndex (string (_gfeab ));if len (_dbgee )< 6{if _affd ==_ed .EOF {return nil ,_affd ;
};_cdb .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 (_gfeab ));
return &_faeg ,_de .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");
};_feggc ._bagdd .Discard (_dbgee [0]);_cdb .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_dbgee );_aaad :=_dbgee [1]-_dbgee [0];_eaae :=make ([]byte ,_aaad );_ ,_affd =_feggc .ReadAtLeast (_eaae ,_aaad );if _affd !=nil {_cdb .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",_affd );
return nil ,_affd ;};_cdb .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_eaae );_gfgb :=_dabd .FindStringSubmatch (string (_eaae ));if len (_gfgb )< 3{_cdb .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 (_eaae ));
return &_faeg ,_de .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");
};_gedcd ,_ :=_dd .Atoi (_gfgb [1]);_egdb ,_ :=_dd .Atoi (_gfgb [2]);_faeg .ObjectNumber =int64 (_gedcd );_faeg .GenerationNumber =int64 (_egdb );for {_daae ,_ddba :=_feggc ._bagdd .Peek (2);if _ddba !=nil {return &_faeg ,_ddba ;};_cdb .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_daae ),string (_daae ));
if IsWhiteSpace (_daae [0]){_feggc .skipSpaces ();}else if _daae [0]=='%'{_feggc .skipComments ();}else if (_daae [0]=='<')&&(_daae [1]=='<'){_cdb .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_faeg .PdfObject ,_ddba =_feggc .ParseDict ();
_cdb .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_ddba );if _ddba !=nil {return &_faeg ,_ddba ;};_cdb .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 (_daae [0]=='/')||(_daae [0]=='(')||(_daae [0]=='[')||(_daae [0]=='<'){_faeg .PdfObject ,_ddba =_feggc .parseObject ();if _ddba !=nil {return &_faeg ,_ddba ;};_cdb .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 _daae [0]==']'{_cdb .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");
_feggc ._bagdd .Discard (1);}else {if _daae [0]=='e'{_afdd ,_dccbc :=_feggc .readTextLine ();if _dccbc !=nil {return nil ,_dccbc ;};if len (_afdd )>=6&&_afdd [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _daae [0]=='s'{_daae ,_ =_feggc ._bagdd .Peek (10);
if string (_daae [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_cbfg :=6;if len (_daae )> 6{if IsWhiteSpace (_daae [_cbfg ])&&_daae [_cbfg ]!='\r'&&_daae [_cbfg ]!='\n'{_cdb .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");
_cbfg ++;};if _daae [_cbfg ]=='\r'{_cbfg ++;if _daae [_cbfg ]=='\n'{_cbfg ++;};}else if _daae [_cbfg ]=='\n'{_cbfg ++;};};_feggc ._bagdd .Discard (_cbfg );_efbc ,_dded :=_faeg .PdfObject .(*PdfObjectDictionary );if !_dded {return nil ,_de .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");
};_cdb .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_efbc );_fcce ,_befb :=_feggc .traceStreamLength (_efbc .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _befb !=nil {_cdb .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",_befb );
return nil ,_befb ;};_cdb .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_fcce );_fabg ,_gbaf :=_fcce .(*PdfObjectInteger );if !_gbaf {return nil ,_de .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");
};_acgb :=*_fabg ;if _acgb < 0{return nil ,_de .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");};_fedec :=_feggc .GetFileOffset ();
_ded :=_feggc .xrefNextObjectOffset (_fedec );if _fedec +int64 (_acgb )> _ded &&_ded > _fedec {_cdb .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_fedec +int64 (_acgb ));_cdb .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",_ded );
_afeda :=_ded -_fedec -17;if _afeda < 0{return nil ,_de .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");
};_cdb .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",_afeda );_acgb =PdfObjectInteger (_afeda );
_efbc .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_afeda ));};if int64 (_acgb )> _feggc ._fgab {_cdb .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 ,_de .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");};_cddcd :=make ([]byte ,_acgb );
_ ,_befb =_feggc .ReadAtLeast (_cddcd ,int (_acgb ));if _befb !=nil {_cdb .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_cddcd ),_cddcd );_cdb .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_befb );
return nil ,_befb ;};_dgb :=PdfObjectStream {};_dgb .Stream =_cddcd ;_dgb .PdfObjectDictionary =_faeg .PdfObject .(*PdfObjectDictionary );_dgb .ObjectNumber =_faeg .ObjectNumber ;_dgb .GenerationNumber =_faeg .GenerationNumber ;_dgb .PdfObjectReference ._beef =_feggc ;
_feggc .skipSpaces ();_feggc ._bagdd .Discard (9);_feggc .skipSpaces ();return &_dgb ,nil ;};};_faeg .PdfObject ,_ddba =_feggc .parseObject ();if _faeg .PdfObject ==nil {_cdb .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");
_faeg .PdfObject =MakeNull ();};return &_faeg ,_ddba ;};};if _faeg .PdfObject ==nil {_cdb .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");
_faeg .PdfObject =MakeNull ();};_cdb .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_faeg ,nil ;};func (_afeag *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_afeag ._bagdd )};


// 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 _ff .Image ,bwThreshold float64 )(*JBIG2Image ,error ){const _gfde ="\u0047\u006f\u0049\u006d\u0061\u0067\u0065\u0054\u006fJ\u0042\u0049\u0047\u0032";if i ==nil {return nil ,_fa .Error (_gfde ,"i\u006d\u0061\u0067\u0065 '\u0069'\u0020\u006e\u006f\u0074\u0020d\u0065\u0066\u0069\u006e\u0065\u0064");
};var (_dcg uint8 ;_bcfa _ced .Image ;_bfcd error ;);if bwThreshold ==JB2ImageAutoThreshold {_bcfa ,_bfcd =_ced .MonochromeConverter .Convert (i );}else if bwThreshold > 1.0||bwThreshold < 0.0{return nil ,_fa .Error (_gfde ,"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 {_dcg =uint8 (255*bwThreshold );_bcfa ,_bfcd =_ced .MonochromeThresholdConverter (_dcg ).Convert (i );};if _bfcd !=nil {return nil ,_bfcd ;};return _ffgg (_bcfa ),nil ;};

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

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

// SetPredictor sets the predictor function.  Specify the number of columns per row.
// The columns indicates the number of samples per row.
// Used for grouping data together for compression.
func (_ada *FlateEncoder )SetPredictor (columns int ){_ada .Predictor =11;_ada .Columns =columns };

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

// ASCIIHexEncoder implements ASCII hex encoder/decoder.
type ASCIIHexEncoder struct{};func (_ageg *PdfParser )readComment ()(string ,error ){var _dfcg _b .Buffer ;_ ,_afdfg :=_ageg .skipSpaces ();if _afdfg !=nil {return _dfcg .String (),_afdfg ;};_eede :=true ;for {_cecf ,_eadfg :=_ageg ._bagdd .Peek (1);if _eadfg !=nil {_cdb .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_eadfg .Error ());
return _dfcg .String (),_eadfg ;};if _eede &&_cecf [0]!='%'{return _dfcg .String (),_de .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");};_eede =false ;if (_cecf [0]!='\r')&&(_cecf [0]!='\n'){_cbcd ,_ :=_ageg ._bagdd .ReadByte ();
_dfcg .WriteByte (_cbcd );}else {break ;};};return _dfcg .String (),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 *_ab .Reader )(PdfObject ,error ){_cgaf :=false ;_cgebc :=true ;var _afee _b .Buffer ;for {if _cdb .Log .IsLogLevel (_cdb .LogLevelTrace ){_cdb .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_afee .String ());
};_bbdg ,_eccec :=buf .Peek (1);if _eccec ==_ed .EOF {break ;};if _eccec !=nil {_cdb .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_eccec );return nil ,_eccec ;};if _cgebc &&(_bbdg [0]=='-'||_bbdg [0]=='+'){_ebba ,_ :=buf .ReadByte ();
_afee .WriteByte (_ebba );_cgebc =false ;}else if IsDecimalDigit (_bbdg [0]){_bafef ,_ :=buf .ReadByte ();_afee .WriteByte (_bafef );}else if _bbdg [0]=='.'{_fcee ,_ :=buf .ReadByte ();_afee .WriteByte (_fcee );_cgaf =true ;}else if _bbdg [0]=='e'||_bbdg [0]=='E'{_baac ,_ :=buf .ReadByte ();
_afee .WriteByte (_baac );_cgaf =true ;_cgebc =true ;}else {break ;};};var _fccde PdfObject ;if _cgaf {_bggg ,_fcbd :=_dd .ParseFloat (_afee .String (),64);if _fcbd !=nil {_cdb .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",_afee .String (),_fcbd );
_bggg =0.0;};_dcdc :=PdfObjectFloat (_bggg );_fccde =&_dcdc ;}else {_ccgb ,_dggaf :=_dd .ParseInt (_afee .String (),10,64);if _dggaf !=nil {_cdb .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",_afee .String (),_dggaf );
_ccgb =0;};_cegf :=PdfObjectInteger (_ccgb );_fccde =&_cegf ;};return _fccde ,nil ;};func (_ecea *PdfCrypt )checkAccessRights (_caf []byte )(bool ,_cb .Permissions ,error ){_bge :=_ecea .securityHandler ();_bgf ,_dbd ,_aba :=_bge .Authenticate (&_ecea ._gcg ,_caf );
if _aba !=nil {return false ,0,_aba ;}else if _dbd ==0||len (_bgf )==0{return false ,0,nil ;};return true ,_dbd ,nil ;};func (_dccf *PdfParser )traceStreamLength (_gfef PdfObject )(PdfObject ,error ){_dagb ,_egab :=_gfef .(*PdfObjectReference );if _egab {_ddeb ,_fgcf :=_dccf ._dbga [_dagb .ObjectNumber ];
if _fgcf &&_ddeb {_cdb .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 ,_de .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_dccf ._dbga [_dagb .ObjectNumber ]=true ;};_dgdd ,_gegb :=_dccf .Resolve (_gfef );if _gegb !=nil {return nil ,_gegb ;
};_cdb .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_dgdd );if _egab {_dccf ._dbga [_dagb .ObjectNumber ]=false ;};return _dgdd ,nil ;};

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

// WriteString outputs the object as it is to be written to file.
func (_fcaec *PdfObjectDictionary )WriteString ()string {var _cggc _af .Builder ;_cggc .WriteString ("\u003c\u003c");for _ ,_aecd :=range _fcaec ._bfga {_agbdc :=_fcaec ._ffgb [_aecd ];_cggc .WriteString (_aecd .WriteString ());_cggc .WriteString ("\u0020");
_cggc .WriteString (_agbdc .WriteString ());};_cggc .WriteString ("\u003e\u003e");return _cggc .String ();};

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

// 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 )(_fgbd *PdfObjectBool ,_gdfae bool ){_fgbd ,_gdfae =TraceToDirectObject (obj ).(*PdfObjectBool );return _fgbd ,_gdfae ;};

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

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

// 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 (_fecf *PdfObjectArray )ToIntegerArray ()([]int ,error ){var _ddce []int ;for _ ,_aedc :=range _fecf .Elements (){if _degfc ,_egbf :=_aedc .(*PdfObjectInteger );_egbf {_ddce =append (_ddce ,int (*_degfc ));}else {return nil ,ErrTypeError ;};};return _ddce ,nil ;
};

// JBIG2Image is the image structure used by the jbig2 encoder. Its Data must be in a
// 1 bit per component and 1 component per pixel (1bpp). In order to create binary image
// use GoImageToJBIG2 function. If the image data contains the row bytes padding set the HasPadding to true.
type JBIG2Image struct{

// Width and Height defines the image boundaries.
Width ,Height int ;

// Data is the byte slice data for the input image
Data []byte ;

// HasPadding is the attribute that defines if the last byte of the data in the row contains
// 0 bits padding.
HasPadding bool ;};

// NewMultiEncoder returns a new instance of MultiEncoder.
func NewMultiEncoder ()*MultiEncoder {_cgcb :=MultiEncoder {};_cgcb ._egg =[]StreamEncoder {};return &_cgcb ;};func (_bfba *JBIG2Encoder )encodeImage (_abbb _ff .Image )([]byte ,error ){const _bfgg ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";
_daa ,_bcce :=GoImageToJBIG2 (_abbb ,JB2ImageAutoThreshold );if _bcce !=nil {return nil ,_fa .Wrap (_bcce ,_bfgg ,"\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 _bcce =_bfba .AddPageImage (_daa ,&_bfba .DefaultPageSettings );_bcce !=nil {return nil ,_fa .Wrap (_bcce ,_bfgg ,"");};return _bfba .Encode ();};

// PdfObjectNull represents the primitive PDF null object.
type PdfObjectNull struct{};func _ad (_eg *_cb .StdEncryptDict ,_ccf *PdfObjectDictionary ){_ccf .Set ("\u0052",MakeInteger (int64 (_eg .R )));_ccf .Set ("\u0050",MakeInteger (int64 (_eg .P )));_ccf .Set ("\u004f",MakeStringFromBytes (_eg .O ));_ccf .Set ("\u0055",MakeStringFromBytes (_eg .U ));
if _eg .R >=5{_ccf .Set ("\u004f\u0045",MakeStringFromBytes (_eg .OE ));_ccf .Set ("\u0055\u0045",MakeStringFromBytes (_eg .UE ));_ccf .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_eg .EncryptMetadata ));
if _eg .R > 5{_ccf .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_eg .Perms ));};};};

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

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

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

// String returns a string describing `ind`.
func (_fdbe *PdfIndirectObject )String ()string {return _e .Sprintf ("\u0049\u004f\u0062\u006a\u0065\u0063\u0074\u003a\u0025\u0064",(*_fdbe ).ObjectNumber );};func (_dab *PdfCrypt )decryptBytes (_affg []byte ,_gac string ,_cgc []byte )([]byte ,error ){_cdb .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_ecc ,_egb :=_dab ._aca [_gac ];if !_egb {return nil ,_e .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_gac );};return _ecc .DecryptBytes (_affg ,_cgc );};func (_fcae *PdfParser )parseName ()(PdfObjectName ,error ){var _ccfgd _b .Buffer ;
_ddfb :=false ;for {_eaea ,_fbbc :=_fcae ._bagdd .Peek (1);if _fbbc ==_ed .EOF {break ;};if _fbbc !=nil {return PdfObjectName (_ccfgd .String ()),_fbbc ;};if !_ddfb {if _eaea [0]=='/'{_ddfb =true ;_fcae ._bagdd .ReadByte ();}else if _eaea [0]=='%'{_fcae .readComment ();
_fcae .skipSpaces ();}else {_cdb .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",_eaea ,_eaea );return PdfObjectName (_ccfgd .String ()),_e .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_eaea [0]);
};}else {if IsWhiteSpace (_eaea [0]){break ;}else if (_eaea [0]=='/')||(_eaea [0]=='[')||(_eaea [0]=='(')||(_eaea [0]==']')||(_eaea [0]=='<')||(_eaea [0]=='>'){break ;}else if _eaea [0]=='#'{_cfdg ,_bagf :=_fcae ._bagdd .Peek (3);if _bagf !=nil {return PdfObjectName (_ccfgd .String ()),_bagf ;
};_egbeg ,_bagf :=_df .DecodeString (string (_cfdg [1:3]));if _bagf !=nil {_cdb .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");
_ccfgd .WriteByte ('#');_fcae ._bagdd .Discard (1);continue ;};_fcae ._bagdd .Discard (3);_ccfgd .Write (_egbeg );}else {_fdfe ,_ :=_fcae ._bagdd .ReadByte ();_ccfgd .WriteByte (_fdfe );};};};return PdfObjectName (_ccfgd .String ()),nil ;};

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

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

// ToGoImage converts the JBIG2Image to the golang image.Image.
func (_gccc *JBIG2Image )ToGoImage ()(_ff .Image ,error ){const _fffdb ="J\u0042I\u0047\u0032\u0049\u006d\u0061\u0067\u0065\u002eT\u006f\u0047\u006f\u0049ma\u0067\u0065";if _gccc .Data ==nil {return nil ,_fa .Error (_fffdb ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");
};if _gccc .Width ==0||_gccc .Height ==0{return nil ,_fa .Error (_fffdb ,"\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");
};_fcag ,_fbgfa :=_ced .NewImage (_gccc .Width ,_gccc .Height ,1,1,_gccc .Data ,nil ,nil );if _fbgfa !=nil {return nil ,_fbgfa ;};return _fcag ,nil ;};var _dacb =_ac .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");


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

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_cdc *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_feca :=_b .NewReader (encoded );var _fbaf []byte ;for {_ecfe ,_acadd :=_feca .ReadByte ();if _acadd !=nil {return nil ,_acadd ;};if _ecfe =='>'{break ;};if IsWhiteSpace (_ecfe ){continue ;
};if (_ecfe >='a'&&_ecfe <='f')||(_ecfe >='A'&&_ecfe <='F')||(_ecfe >='0'&&_ecfe <='9'){_fbaf =append (_fbaf ,_ecfe );}else {_cdb .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",_ecfe );
return nil ,_e .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",_ecfe );};};if len (_fbaf )%2==1{_fbaf =append (_fbaf ,'0');
};_cdb .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_fbaf );_ecff :=make ([]byte ,_df .DecodedLen (len (_fbaf )));_ ,_eccb :=_df .Decode (_ecff ,_fbaf );if _eccb !=nil {return nil ,_eccb ;};return _ecff ,nil ;};func (_ffea *PdfParser )rebuildXrefTable ()error {_edcfb :=XrefTable {};
_edcfb .ObjectMap =map[int ]XrefObject {};_efcda :=make ([]int ,0,len (_ffea ._aecbd .ObjectMap ));for _dacac :=range _ffea ._aecbd .ObjectMap {_efcda =append (_efcda ,_dacac );};_a .Ints (_efcda );for _ ,_afac :=range _efcda {_gbgb :=_ffea ._aecbd .ObjectMap [_afac ];
_edgf ,_ ,_aede :=_ffea .lookupByNumberWrapper (_afac ,false );if _aede !=nil {_cdb .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",_aede );
_cdb .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");
_bdfg ,_fdbgd :=_ffea .repairRebuildXrefsTopDown ();if _fdbgd !=nil {_cdb .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",_fdbgd );
return _fdbgd ;};_ffea ._aecbd =*_bdfg ;_cdb .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_adge ,_cfea ,_aede :=_gb (_edgf );if _aede !=nil {return _aede ;
};_gbgb .ObjectNumber =int (_adge );_gbgb .Generation =int (_cfea );_edcfb .ObjectMap [int (_adge )]=_gbgb ;};_ffea ._aecbd =_edcfb ;_cdb .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");_gfcb (_ffea ._aecbd );
return nil ;};

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

// DecodeBytes decodes the CCITTFax encoded image data.
func (_ceadf *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_ffdcf :=&_ee .Encoder {K :_ceadf .K ,Columns :_ceadf .Columns ,EndOfLine :_ceadf .EndOfLine ,EndOfBlock :_ceadf .EndOfBlock ,BlackIs1 :_ceadf .BlackIs1 ,DamagedRowsBeforeError :_ceadf .DamagedRowsBeforeError ,Rows :_ceadf .Rows ,EncodedByteAlign :_ceadf .EncodedByteAlign };
_gdcc ,_gfec :=_ffdcf .Decode (encoded );if _gfec !=nil {return nil ,_gfec ;};var _bac []byte ;_ebd :=0;var _fefd byte ;var _fcdfe byte ;for _fagf :=range _gdcc {if _fefd !=0{_bac =append (_bac ,_fcdfe );_fcdfe =0;_ebd ++;_fefd =0;};for _ffaf :=range _gdcc [_fagf ]{_fcdfe |=_gdcc [_fagf ][_ffaf ]<<(7-_fefd );
_fefd ++;if _fefd ==8{_bac =append (_bac ,_fcdfe );_fcdfe =0;_ebd ++;_fefd =0;};};};if _fefd > 0{_bac =append (_bac ,_fcdfe );};return _bac ,nil ;};func (_egega *PdfParser )inspect ()(map[string ]int ,error ){_cdb .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");
_cdb .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_eeec :=map[string ]int {};_fdcd :=0;_aadb :=0;var _bdad []int ;for _bgdcf :=range _egega ._aecbd .ObjectMap {_bdad =append (_bdad ,_bgdcf );};_a .Ints (_bdad );_dbacb :=0;
for _ ,_baed :=range _bdad {_faaaf :=_egega ._aecbd .ObjectMap [_baed ];if _faaaf .ObjectNumber ==0{continue ;};_fdcd ++;_cdb .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_cdb .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",_faaaf .ObjectNumber );
_fgad ,_dafgd :=_egega .LookupByNumber (_faaaf .ObjectNumber );if _dafgd !=nil {_cdb .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",_faaaf .ObjectNumber ,_dafgd );
_aadb ++;continue ;};_cdb .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_fgad );_agdb ,_ffdf :=_fgad .(*PdfIndirectObject );if _ffdf {_cdb .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_faaaf .ObjectNumber ,_agdb );
_cbba ,_ddcc :=_agdb .PdfObject .(*PdfObjectDictionary );if _ddcc {if _gbdgd ,_fccd :=_cbba .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_fccd {_dbdb :=string (*_gbdgd );_cdb .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_dbdb );
_ ,_dbea :=_eeec [_dbdb ];if _dbea {_eeec [_dbdb ]++;}else {_eeec [_dbdb ]=1;};}else if _dbab ,_fbff :=_cbba .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_fbff {_gfggc :=string (*_dbab );_cdb .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_gfggc );
_ ,_fgbbc :=_eeec [_gfggc ];if _fgbbc {_eeec [_gfggc ]++;}else {_eeec [_gfggc ]=1;};};if _aadfc ,_dddc :=_cbba .Get ("\u0053").(*PdfObjectName );_dddc &&*_aadfc =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_gfdea :=_eeec ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _gfdea {_eeec ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_eeec ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _bega ,_cdcg :=_fgad .(*PdfObjectStream );_cdcg {if _cebec ,_abgf :=_bega .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_abgf {_cdb .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",*_cebec );_gbbb :=string (*_cebec );_eeec [_gbbb ]++;};}else {_ecdd ,_dgggg :=_fgad .(*PdfObjectDictionary );
if _dgggg {_badg ,_gcbg :=_ecdd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _gcbg {_gbfe :=string (*_badg );_cdb .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_gbfe );_eeec [_gbfe ]++;};};_cdb .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_faaaf .ObjectNumber ,_fgad );
};_dbacb ++;};_cdb .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");_cdb .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");
_cdb .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_fdcd );_cdb .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_aadb );for _ggee ,_fdcga :=range _eeec {_cdb .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_ggee ,_fdcga );
};_cdb .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_egega ._aecbd .ObjectMap )< 1{_cdb .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 ,_e .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");};_eced ,_acfb :=_eeec ["\u0046\u006f\u006e\u0074"];
if !_acfb ||_eced < 2{_cdb .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 {_cdb .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 _eeec ,nil ;};func (_afdc *PdfCrypt )isEncrypted (_eaf PdfObject )bool {_ ,_efbd :=_afdc ._abee [_eaf ];if _efbd {_cdb .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");return true ;
};_cdb .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");return false ;};

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

// 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 )(_aedcc *PdfObjectString ,_bcfae bool ){_aedcc ,_bcfae =TraceToDirectObject (obj ).(*PdfObjectString );return _aedcc ,_bcfae ;};func _fdbf (_fbeg ,_cafef ,_bfgfa int )error {if _cafef < 0||_cafef > _fbeg {return _de .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 _bfgfa < _cafef {return _de .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0073\u006c\u0069\u0063e\u0020i\u006ed\u0065\u0078\u0020\u0062\u0020\u003c\u0020a");};if _bfgfa > _fbeg {return _de .New ("s\u006c\u0069\u0063\u0065\u0020\u0069n\u0064\u0065\u0078\u0020\u0062\u0020\u006f\u0075\u0074 \u006f\u0066\u0020b\u006fu\u006e\u0064\u0073");
};return nil ;};var _fcebd =_ac .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");

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

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

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

// 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 )(_gaaba *PdfObjectName ,_abcd bool ){_gaaba ,_abcd =TraceToDirectObject (obj ).(*PdfObjectName );return _gaaba ,_abcd ;};

// 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 ;};func (_ceb *PdfCrypt )generateParams (_dfga ,_afef []byte )error {_bagg :=_ceb .securityHandler ();_geea ,_dgdb :=_bagg .GenerateParams (&_ceb ._gcg ,_afef ,_dfga );if _dgdb !=nil {return _dgdb ;};_ceb ._dee =_geea ;return nil ;
};const (DefaultJPEGQuality =75;);type objectCache map[int ]PdfObject ;func _dgac (_acfe string )(PdfObjectReference ,error ){_acdd :=PdfObjectReference {};_fcdbb :=_afdf .FindStringSubmatch (_acfe );if len (_fcdbb )< 3{_cdb .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
return _acdd ,_de .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");};_ceadd ,_ :=_dd .Atoi (_fcdbb [1]);_bagbc ,_ :=_dd .Atoi (_fcdbb [2]);_acdd .ObjectNumber =int64 (_ceadd );
_acdd .GenerationNumber =int64 (_bagbc );return _acdd ,nil ;};

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

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

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

// MakeObjectStreams creates an PdfObjectStreams from a list of PdfObjects.
func MakeObjectStreams (objects ...PdfObject )*PdfObjectStreams {return &PdfObjectStreams {_cbbb :objects };};func (_gcdca *PdfParser )repairLocateXref ()(int64 ,error ){_gebe :=int64 (1000);_gcdca ._fdfa .Seek (-_gebe ,_ed .SeekCurrent );_cfdb ,_bcfce :=_gcdca ._fdfa .Seek (0,_ed .SeekCurrent );
if _bcfce !=nil {return 0,_bcfce ;};_faeb :=make ([]byte ,_gebe );_gcdca ._fdfa .Read (_faeb );_aaca :=_ceba .FindAllStringIndex (string (_faeb ),-1);if len (_aaca )< 1{_cdb .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,_de .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");};_cacdc :=int64 (_aaca [len (_aaca )-1][0]);_becb :=_cfdb +_cacdc ;return _becb ,nil ;};

// GetObjectStreams returns the *PdfObjectStreams represented by the PdfObject. On type mismatch the found bool flag is
// false and a nil pointer is returned.
func GetObjectStreams (obj PdfObject )(_fcfd *PdfObjectStreams ,_egag bool ){_fcfd ,_egag =obj .(*PdfObjectStreams );return _fcfd ,_egag ;};

// Remove removes an element specified by key.
func (_faaf *PdfObjectDictionary )Remove (key PdfObjectName ){_bafe :=-1;for _egece ,_eeff :=range _faaf ._bfga {if _eeff ==key {_bafe =_egece ;break ;};};if _bafe >=0{_faaf ._bfga =append (_faaf ._bfga [:_bafe ],_faaf ._bfga [_bafe +1:]...);delete (_faaf ._ffgb ,key );
};};

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

// For predictors
Columns int ;Rows int ;Colors int ;_ccg *_ced .ImageBase ;};type xrefType int ;

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

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

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

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

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

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

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

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

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

// 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 (_cbg *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _cbg .isDecrypted (obj ){return nil ;};switch _gff :=obj .(type ){case *PdfIndirectObject :_cbg ._ggg [_gff ]=true ;_cdb .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",_gff .ObjectNumber ,_gff .GenerationNumber );
_feda :=_gff .ObjectNumber ;_agb :=_gff .GenerationNumber ;_gbeg :=_cbg .Decrypt (_gff .PdfObject ,_feda ,_agb );if _gbeg !=nil {return _gbeg ;};return nil ;case *PdfObjectStream :_cbg ._ggg [_gff ]=true ;_gafdg :=_gff .PdfObjectDictionary ;if _cbg ._gcg .R !=5{if _aeec ,_deed :=_gafdg .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_deed &&*_aeec =="\u0058\u0052\u0065\u0066"{return nil ;};};_bfa :=_gff .ObjectNumber ;_cdf :=_gff .GenerationNumber ;_cdb .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_bfa ,_cdf );
_fgd :=_fac ;if _cbg ._bgb .V >=4{_fgd =_cbg ._bdf ;_cdb .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_cbg ._bdf );if _bffb ,_fcb :=_gafdg .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_fcb {if _cbd ,_bga :=GetName (_bffb .Get (0));_bga {if *_cbd =="\u0043\u0072\u0079p\u0074"{_fgd ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _fgdc ,_dfb :=_gafdg .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_dfb {if _cgg ,_bfeg :=_fgdc .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_bfeg {if _ ,_fbcb :=_cbg ._aca [string (*_cgg )];_fbcb {_cdb .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_cgg );
_fgd =string (*_cgg );};};};};};};_cdb .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_fgd );if _fgd =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_fdgfd :=_cbg .Decrypt (_gafdg ,_bfa ,_cdf );
if _fdgfd !=nil {return _fdgfd ;};_ffdg ,_fdgfd :=_cbg .makeKey (_fgd ,uint32 (_bfa ),uint32 (_cdf ),_cbg ._dee );if _fdgfd !=nil {return _fdgfd ;};_gff .Stream ,_fdgfd =_cbg .decryptBytes (_gff .Stream ,_fgd ,_ffdg );if _fdgfd !=nil {return _fdgfd ;};
_gafdg .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_gff .Stream ))));return nil ;case *PdfObjectString :_cdb .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_eaa :=_fac ;
if _cbg ._bgb .V >=4{_cdb .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_cbg ._cega );if _cbg ._cega =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_eaa =_cbg ._cega ;};_cecc ,_bedg :=_cbg .makeKey (_eaa ,uint32 (parentObjNum ),uint32 (parentGenNum ),_cbg ._dee );
if _bedg !=nil {return _bedg ;};_fddb :=_gff .Str ();_bcf :=make ([]byte ,len (_fddb ));for _edbd :=0;_edbd < len (_fddb );_edbd ++{_bcf [_edbd ]=_fddb [_edbd ];};_cdb .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_bcf ,_bcf );
_bcf ,_bedg =_cbg .decryptBytes (_bcf ,_eaa ,_cecc );if _bedg !=nil {return _bedg ;};_gff ._afab =string (_bcf );return nil ;case *PdfObjectArray :for _ ,_agf :=range _gff .Elements (){_cca :=_cbg .Decrypt (_agf ,parentObjNum ,parentGenNum );if _cca !=nil {return _cca ;
};};return nil ;case *PdfObjectDictionary :_dbdg :=false ;if _abda :=_gff .Get ("\u0054\u0079\u0070\u0065");_abda !=nil {_ecb ,_gafa :=_abda .(*PdfObjectName );if _gafa &&*_ecb =="\u0053\u0069\u0067"{_dbdg =true ;};};for _ ,_cac :=range _gff .Keys (){_aac :=_gff .Get (_cac );
if _dbdg &&string (_cac )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_cac )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_cac )!="\u0050\u0072\u0065\u0076"&&string (_cac )!="\u004c\u0061\u0073\u0074"{_efe :=_cbg .Decrypt (_aac ,parentObjNum ,parentGenNum );
if _efe !=nil {return _efe ;};};};return nil ;};return nil ;};type objectStream struct{N int ;_dcc []byte ;_ddb map[int ]int64 ;};

// 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 (_gbb *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_ccaa :=_b .NewReader (encoded );var _bded []byte ;for {_afdb ,_acga :=_ccaa .ReadByte ();if _acga !=nil {return nil ,_acga ;};if _afdb > 128{_edd ,_dfdd :=_ccaa .ReadByte ();if _dfdd !=nil {return nil ,_dfdd ;
};for _gbea :=0;_gbea < 257-int (_afdb );_gbea ++{_bded =append (_bded ,_edd );};}else if _afdb < 128{for _degd :=0;_degd < int (_afdb )+1;_degd ++{_fedf ,_cedb :=_ccaa .ReadByte ();if _cedb !=nil {return nil ,_cedb ;};_bded =append (_bded ,_fedf );};}else {break ;
};};return _bded ,nil ;};

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

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

// 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 (_degb *PdfParser )CheckAccessRights (password []byte )(bool ,_cb .Permissions ,error ){if _degb ._gffg ==nil {return true ,_cb .PermOwner ,nil ;};return _degb ._gffg .checkAccessRights (password );};func (_dbce *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){const _aafb =20;
_gefd ,_ :=_dbce ._bagdd .Peek (_aafb );for _ccc :=0;_ccc < 2;_ccc ++{if _dbce ._abae ==0{_dbce ._abae =_dbce .GetFileOffset ();};if _dabd .Match (_gefd ){_cdb .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");
_cdb .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_gefd ));return _dbce .parseXrefStream (nil );};if _eggc .Match (_gefd ){_cdb .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 _dbce .parseXrefTable ();};_cgad :=_dbce .GetFileOffset ();if _dbce ._abae ==0{_dbce ._abae =_cgad ;};_dbce .SetFileOffset (_cgad -_aafb );defer _dbce .SetFileOffset (_cgad );_gbef ,_ :=_dbce ._bagdd .Peek (_aafb );_gefd =append (_gbef ,_gefd ...);
};_cdb .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 _adcg :=_dbce .repairSeekXrefMarker ();_adcg !=nil {_cdb .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_adcg );return nil ,_adcg ;};return _dbce .parseXrefTable ();};

// MakeNull creates an PdfObjectNull.
func MakeNull ()*PdfObjectNull {_cecg :=PdfObjectNull {};return &_cecg };func (_fgedda *offsetReader )Read (p []byte )(_gedc int ,_egbe error ){return _fgedda ._geecd .Read (p )};func _abgb (_fgffc int )int {if _fgffc < 0{return -_fgffc ;};return _fgffc ;
};

// 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 (_bbed *PdfParser )IsEncrypted ()(bool ,error ){if _bbed ._gffg !=nil {return true ,nil ;}else if _bbed ._fbcea ==nil {return false ,nil ;};_cdb .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");
_egfc :=_bbed ._fbcea .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _egfc ==nil {return false ,nil ;};_cdb .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_cefdb *PdfObjectDictionary ;);switch _cfae :=_egfc .(type ){case *PdfObjectDictionary :_cefdb =_cfae ;
case *PdfObjectReference :_cdb .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_cfae );_egeb ,_abcef :=_bbed .LookupByReference (*_cfae );_cdb .Log .Trace ("\u0031\u003a\u0020%\u0071",_egeb );
if _abcef !=nil {return false ,_abcef ;};_fbcg ,_bcfg :=_egeb .(*PdfIndirectObject );if !_bcfg {_cdb .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 ,_de .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_fffde ,_bcfg :=_fbcg .PdfObject .(*PdfObjectDictionary );_cdb .Log .Trace ("\u0032\u003a\u0020%\u0071",_fffde );if !_bcfg {return false ,_de .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");
};_cefdb =_fffde ;case *PdfObjectNull :_cdb .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 ,_e .Errorf ("u\u006es\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0074\u0079\u0070\u0065: \u0025\u0054",_cfae );};_bfgd ,_egdge :=PdfCryptNewDecrypt (_bbed ,_cefdb ,_bbed ._fbcea );if _egdge !=nil {return false ,_egdge ;
};for _ ,_gdfa :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_fbdc :=_bbed ._fbcea .Get (PdfObjectName (_gdfa ));if _fbdc ==nil {continue ;};switch _bcde :=_fbdc .(type ){case *PdfObjectReference :_bfgd ._fbe [int (_bcde .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_bfgd ._ggg [_bcde ]=true ;_bfgd ._fbe [int (_bcde .ObjectNumber )]=struct{}{};};};_bbed ._gffg =_bfgd ;_cdb .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_bfgd );
return true ,nil ;};