unipdf/core/core.go

//
// Copyright 2020 FoxyUtils ehf. All rights reserved.
//
// This is a commercial product and requires a license to operate.
// A trial license can be obtained at https://unidoc.io
//
// DO NOT EDIT: generated by unitwist Go source code obfuscator.
//
// Use of this source code is governed by the UniDoc End User License Agreement
// terms that can be accessed at https://unidoc.io/eula/

// Package core defines and implements the primitive PDF object types in golang, and provides functionality
// for parsing those from a PDF file stream. This includes I/O handling, cross references, repairs, encryption,
// encoding and other core capabilities.
package core ;import (_fcg "bufio";_gg "bytes";_gec "compress/lzw";_ce "compress/zlib";_ae "crypto/md5";_fg "crypto/rand";_dg "encoding/hex";_a "errors";_db "fmt";_ag "github.com/unidoc/unipdf/v3/common";_eb "github.com/unidoc/unipdf/v3/core/security";
_fdb "github.com/unidoc/unipdf/v3/core/security/crypt";_ab "github.com/unidoc/unipdf/v3/internal/ccittfax";_cc "github.com/unidoc/unipdf/v3/internal/imageutil";_aee "github.com/unidoc/unipdf/v3/internal/jbig2";_gc "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";
_bb "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";_fe "github.com/unidoc/unipdf/v3/internal/jbig2/document";_gdg "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_de "github.com/unidoc/unipdf/v3/internal/strutils";_ca "golang.org/x/image/tiff/lzw";
_fd "golang.org/x/xerrors";_fc "image";_bf "image/color";_aa "image/jpeg";_e "io";_cf "io/ioutil";_c "reflect";_ge "regexp";_f "sort";_g "strconv";_gd "strings";_d "sync";_dd "time";_af "unicode";);

// 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 (_adcbd *PdfObjectDictionary )Merge (another *PdfObjectDictionary )*PdfObjectDictionary {if another !=nil {for _ ,_dcaf :=range another .Keys (){_bbae :=another .Get (_dcaf );_adcbd .Set (_dcaf ,_bbae );};};return _adcbd ;};func (_eed *ASCII85Encoder )base256Tobase85 (_cace uint32 )[5]byte {_befe :=[5]byte {0,0,0,0,0};
_bgga :=_cace ;for _fegc :=0;_fegc < 5;_fegc ++{_bfcb :=uint32 (1);for _ecae :=0;_ecae < 4-_fegc ;_ecae ++{_bfcb *=85;};_gceb :=_bgga /_bfcb ;_bgga =_bgga %_bfcb ;_befe [_fegc ]=byte (_gceb );};return _befe ;};

// Seek implementation of Seek interface.
func (_cebf *limitedReadSeeker )Seek (offset int64 ,whence int )(int64 ,error ){var _fffe int64 ;switch whence {case _e .SeekStart :_fffe =offset ;case _e .SeekCurrent :_gggc ,_fgce :=_cebf ._effa .Seek (0,_e .SeekCurrent );if _fgce !=nil {return 0,_fgce ;
};_fffe =_gggc +offset ;case _e .SeekEnd :_fffe =_cebf ._bgdd +offset ;};if _ebdd :=_cebf .getError (_fffe );_ebdd !=nil {return 0,_ebdd ;};if _ ,_adac :=_cebf ._effa .Seek (_fffe ,_e .SeekStart );_adac !=nil {return 0,_adac ;};return _fffe ,nil ;};

// ResolveReference resolves reference if `o` is a *PdfObjectReference and returns the object referenced to.
// Otherwise returns back `o`.
func ResolveReference (obj PdfObject )PdfObject {if _gafc ,_cgdb :=obj .(*PdfObjectReference );_cgdb {return _gafc .Resolve ();};return obj ;};var _dgg =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};func (_gfdc *limitedReadSeeker )getError (_bgbb int64 )error {switch {case _bgbb < 0:return _db .Errorf ("\u0075\u006e\u0065\u0078\u0070\u0065\u0063\u0074\u0065\u0064 \u006e\u0065\u0067\u0061\u0074\u0069\u0076e\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u003a\u0020\u0025\u0064",_bgbb );
case _bgbb > _gfdc ._bgdd :return _db .Errorf ("u\u006e\u0065\u0078\u0070ec\u0074e\u0064\u0020\u006f\u0066\u0066s\u0065\u0074\u003a\u0020\u0025\u0064",_bgbb );};return nil ;};

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

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

// WriteString outputs the object as it is to be written to file.
func (_dfdf *PdfObjectFloat )WriteString ()string {return _g .FormatFloat (float64 (*_dfdf ),'f',-1,64);};func (_bafed *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _cacaf *PdfObjectDictionary ;_gcgd ,_cdfd :=_bafed .readTextLine ();if _cdfd !=nil {return nil ,_cdfd ;
};if _bafed ._gddf &&_gd .Count (_gd .TrimPrefix (_gcgd ,"\u0078\u0072\u0065\u0066"),"\u0020")> 0{_bafed ._fcee ._dda =true ;};_ag .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_gcgd );
_fcdcf :=-1;_afgd :=0;_dddec :=false ;_gcbd :="";for {_bafed .skipSpaces ();_ ,_egff :=_bafed ._ceec .Peek (1);if _egff !=nil {return nil ,_egff ;};_gcgd ,_egff =_bafed .readTextLine ();if _egff !=nil {return nil ,_egff ;};_bged :=_eeada .FindStringSubmatch (_gcgd );
if len (_bged )==0{_bede :=len (_gcbd )> 0;_gcbd +=_gcgd +"\u000a";if _bede {_bged =_eeada .FindStringSubmatch (_gcbd );};};if len (_bged )==3{if _bafed ._gddf &&!_bafed ._fcee ._acc {var (_befga bool ;_bfed int ;);for _ ,_afff :=range _gcgd {if _af .IsDigit (_afff ){if _befga {break ;
};continue ;};if !_befga {_befga =true ;};_bfed ++;};if _bfed > 1{_bafed ._fcee ._acc =true ;};};_fabgc ,_ :=_g .Atoi (_bged [1]);_fdeg ,_ :=_g .Atoi (_bged [2]);_fcdcf =_fabgc ;_afgd =_fdeg ;_dddec =true ;_gcbd ="";_ag .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",_fcdcf ,_afgd );
continue ;};_eedcd :=_eabag .FindStringSubmatch (_gcgd );if len (_eedcd )==4{if !_dddec {_ag .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 ,_a .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_ceff ,_ :=_g .ParseInt (_eedcd [1],10,64);_cdgc ,_ :=_g .Atoi (_eedcd [2]);_ccefc :=_eedcd [3];_gcbd ="";if _gd .ToLower (_ccefc )=="\u006e"&&_ceff > 1{_bccd ,_dffc :=_bafed ._eegca .ObjectMap [_fcdcf ];if !_dffc ||_cdgc > _bccd .Generation {_eaad :=XrefObject {ObjectNumber :_fcdcf ,XType :XrefTypeTableEntry ,Offset :_ceff ,Generation :_cdgc };
_bafed ._eegca .ObjectMap [_fcdcf ]=_eaad ;};};_fcdcf ++;continue ;};if (len (_gcgd )> 6)&&(_gcgd [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_ag .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_gcgd );
if len (_gcgd )> 9{_egfg :=_bafed .GetFileOffset ();_bafed .SetFileOffset (_egfg -int64 (len (_gcgd ))+7);};_bafed .skipSpaces ();_bafed .skipComments ();_ag .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_ag .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_gcgd );_cacaf ,_egff =_bafed .ParseDict ();_ag .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _egff !=nil {_ag .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",_egff );return nil ,_egff ;};break ;};if _gcgd =="\u0025\u0025\u0045O\u0046"{_ag .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 ,_a .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");};_ag .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_gcgd );
};_ag .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 _bafed ._cgaga ==nil {_dcfa :=XrefTypeTableEntry ;_bafed ._cgaga =&_dcfa ;};return _cacaf ,nil ;};


// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_aegg *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _fgfc _gg .Buffer ;_bad :=_gg .NewReader (encoded );var _eegc _e .ReadCloser ;if _aegg .EarlyChange ==1{_eegc =_ca .NewReader (_bad ,_ca .MSB ,8);}else {_eegc =_gec .NewReader (_bad ,_gec .MSB ,8);
};defer _eegc .Close ();if _ ,_dbgg :=_fgfc .ReadFrom (_eegc );_dbgg !=nil {if _dbgg !=_e .ErrUnexpectedEOF ||_fgfc .Len ()==0{return nil ,_dbgg ;};_ag .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",_dbgg );
};return _fgfc .Bytes (),nil ;};

// UpdateParams updates the parameter values of the encoder.
func (_bcgc *RunLengthEncoder )UpdateParams (params *PdfObjectDictionary ){};func _feef (_fegfg *PdfObjectStream ,_eegd *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _bdea ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";
_bbgg :=NewJBIG2Encoder ();_adfb :=_fegfg .PdfObjectDictionary ;if _adfb ==nil {return _bbgg ,nil ;};if _eegd ==nil {_cce :=_adfb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _cce !=nil {switch _bcea :=_cce .(type ){case *PdfObjectDictionary :_eegd =_bcea ;
case *PdfObjectArray :if _bcea .Len ()==1{if _dabg ,_cgde :=GetDict (_bcea .Get (0));_cgde {_eegd =_dabg ;};};default:_ag .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",_cce );
return nil ,_gdg .Errorf (_bdea ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_bcea );};};};if _eegd ==nil {return _bbgg ,nil ;};_bbgg .UpdateParams (_eegd );
_dbbc ,_bdag :=GetStream (_eegd .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_bdag {return _bbgg ,nil ;};var _ebcc error ;_bbgg .Globals ,_ebcc =_aee .DecodeGlobals (_dbbc .Stream );if _ebcc !=nil {_ebcc =_gdg .Wrap (_ebcc ,_bdea ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_ag .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_ebcc );return nil ,_ebcc ;};return _bbgg ,nil ;};

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

// String returns a string describing `d`.
func (_cabb *PdfObjectDictionary )String ()string {var _gee _gd .Builder ;_gee .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_dbac :=range _cabb ._dgbfb {_bfdc :=_cabb ._bage [_dbac ];_gee .WriteString ("\u0022"+_dbac .String ()+"\u0022\u003a\u0020");
_gee .WriteString (_bfdc .String ());_gee .WriteString ("\u002c\u0020");};_gee .WriteString ("\u0029");return _gee .String ();};const _gbgfg ="\u0053\u0074\u0064C\u0046";

// Get returns the i-th element of the array or nil if out of bounds (by index).
func (_ccggb *PdfObjectArray )Get (i int )PdfObject {if _ccggb ==nil ||i >=len (_ccggb ._eadb )||i < 0{return nil ;};return _ccggb ._eadb [i ];};func (_edad *PdfCrypt )authenticate (_cbaa []byte )(bool ,error ){_edad ._ddc =false ;_eadc :=_edad .securityHandler ();
_fce ,_adbb ,_edg :=_eadc .Authenticate (&_edad ._ef ,_cbaa );if _edg !=nil {return false ,_edg ;}else if _adbb ==0||len (_fce )==0{return false ,nil ;};_edad ._ddc =true ;_edad ._ecb =_fce ;return true ,nil ;};

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

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

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

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

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_ffac string ;_fccgd bool ;};

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

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _fdb .Filter ,userPass ,ownerPass []byte ,perm _eb .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_ddf :=&PdfCrypt {_cba :make (map[PdfObject ]bool ),_dafg :make (cryptFilters ),_ef :_eb .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _bgg Version ;if cf !=nil {_cfb :=cf .PDFVersion ();_bgg .Major ,_bgg .Minor =_cfb [0],_cfb [1];V ,R :=cf .HandlerVersion ();_ddf ._daa .V =V ;_ddf ._ef .R =R ;_ddf ._daa .Length =cf .KeyLength ()*8;};const (_ddff =_gbgfg ;);_ddf ._dafg [_ddff ]=cf ;
if _ddf ._daa .V >=4{_ddf ._ceb =_ddff ;_ddf ._afaa =_ddff ;};_bfd :=_ddf .newEncryptDict ();_cad :=_ae .Sum ([]byte (_dd .Now ().Format (_dd .RFC850 )));_ece :=string (_cad [:]);_afa :=make ([]byte ,100);_fg .Read (_afa );_cad =_ae .Sum (_afa );_cdb :=string (_cad [:]);
_ag .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_afa );_ag .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_ece );_ddf ._ebg =_ece ;_fcb :=_ddf .generateParams (userPass ,ownerPass );
if _fcb !=nil {return nil ,nil ,_fcb ;};_fbb (&_ddf ._ef ,_bfd );if _ddf ._daa .V >=4{if _fae :=_ddf .saveCryptFilters (_bfd );_fae !=nil {return nil ,nil ,_fae ;};};return _ddf ,&EncryptInfo {Version :_bgg ,Encrypt :_bfd ,ID0 :_ece ,ID1 :_cdb },nil ;};


// DecodeStream decodes a JBIG2 encoded stream and returns the result as a slice of bytes.
func (_bdge *JBIG2Encoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _bdge .DecodeBytes (streamObj .Stream );};func _gadg (_dage int )int {if _dage < 0{return -_dage ;};return _dage ;};

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

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

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_cedgb :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _cedgb ==nil {return NewRawEncoder (),nil ;};if _ ,_fabgd :=_cedgb .(*PdfObjectNull );
_fabgd {return NewRawEncoder (),nil ;};_gedf ,_aggca :=_cedgb .(*PdfObjectName );if !_aggca {_ddef ,_gecef :=_cedgb .(*PdfObjectArray );if !_gecef {return nil ,_db .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 _ddef .Len ()==0{return NewRawEncoder (),nil ;};if _ddef .Len ()!=1{_faaa ,_bdde :=_gcdg (streamObj );if _bdde !=nil {_ag .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",_bdde );
return nil ,_bdde ;};_ag .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_faaa );return _faaa ,nil ;};_cedgb =_ddef .Get (0);_gedf ,_gecef =_cedgb .(*PdfObjectName );if !_gecef {return nil ,_db .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 _afeg ,_aacc :=_ceef .Load (_gedf .String ());_aacc {return _afeg .(StreamEncoder ),nil ;};switch *_gedf {case StreamEncodingFilterNameFlate :return _fggc (streamObj ,nil );case StreamEncodingFilterNameLZW :return _dbegd (streamObj ,nil );case StreamEncodingFilterNameDCT :return _eagd (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _afce (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _dafgf (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _feef (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_ag .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 ,_db .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",*_gedf );};

// 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 (_afg *JBIG2Encoder )AddPageImage (img *JBIG2Image ,settings *JBIG2EncoderSettings )(_ecdb error ){const _egcd ="\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 _afg ==nil {return _gdg .Error (_egcd ,"J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u0020\u0069\u0073 n\u0069\u006c");};if settings ==nil {settings =&_afg .DefaultPageSettings ;};if _afg ._edaf ==nil {_afg ._edaf =_fe .InitEncodeDocument (settings .FileMode );
};if _ecdb =settings .Validate ();_ecdb !=nil {return _gdg .Wrap (_ecdb ,_egcd ,"");};_dfff ,_ecdb :=img .toBitmap ();if _ecdb !=nil {return _gdg .Wrap (_ecdb ,_egcd ,"");};switch settings .Compression {case JB2Generic :if _ecdb =_afg ._edaf .AddGenericPage (_dfff ,settings .DuplicatedLinesRemoval );
_ecdb !=nil {return _gdg .Wrap (_ecdb ,_egcd ,"");};case JB2SymbolCorrelation :return _gdg .Error (_egcd ,"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 _gdg .Error (_egcd ,"\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 _gdg .Error (_egcd ,"\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 ;};var _cbfbb =_ge .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");


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

// ParseIndirectObject parses an indirect object from the input stream. Can also be an object stream.
// Returns the indirect object (*PdfIndirectObject) or the stream object (*PdfObjectStream).
func (_eacf *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_feegc :=PdfIndirectObject {};_feegc ._fdaa =_eacf ;_ag .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_addc ,_deeef :=_eacf ._ceec .Peek (20);
if _deeef !=nil {if _deeef !=_e .EOF {_ag .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 &_feegc ,_deeef ;
};};_ag .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_addc ));_ggdd :=_beedff .FindStringSubmatchIndex (string (_addc ));if len (_ggdd )< 6{if _deeef ==_e .EOF {return nil ,_deeef ;
};_ag .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 (_addc ));
return &_feegc ,_a .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");
};_eacf ._ceec .Discard (_ggdd [0]);_ag .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_ggdd );_cadbg :=_ggdd [1]-_ggdd [0];_bbff :=make ([]byte ,_cadbg );_ ,_deeef =_eacf .ReadAtLeast (_bbff ,_cadbg );if _deeef !=nil {_ag .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",_deeef );
return nil ,_deeef ;};_ag .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_bbff );_dbagb :=_beedff .FindStringSubmatch (string (_bbff ));if len (_dbagb )< 3{_ag .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 (_bbff ));
return &_feegc ,_a .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");
};_cafe ,_ :=_g .Atoi (_dbagb [1]);_ecdc ,_ :=_g .Atoi (_dbagb [2]);_feegc .ObjectNumber =int64 (_cafe );_feegc .GenerationNumber =int64 (_ecdc );for {_fdgbc ,_dcff :=_eacf ._ceec .Peek (2);if _dcff !=nil {return &_feegc ,_dcff ;};_ag .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_fdgbc ),string (_fdgbc ));
if IsWhiteSpace (_fdgbc [0]){_eacf .skipSpaces ();}else if _fdgbc [0]=='%'{_eacf .skipComments ();}else if (_fdgbc [0]=='<')&&(_fdgbc [1]=='<'){_ag .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_feegc .PdfObject ,_dcff =_eacf .ParseDict ();
_ag .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_dcff );if _dcff !=nil {return &_feegc ,_dcff ;};_ag .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 (_fdgbc [0]=='/')||(_fdgbc [0]=='(')||(_fdgbc [0]=='[')||(_fdgbc [0]=='<'){_feegc .PdfObject ,_dcff =_eacf .parseObject ();if _dcff !=nil {return &_feegc ,_dcff ;};_ag .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 _fdgbc [0]==']'{_ag .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");
_eacf ._ceec .Discard (1);}else {if _fdgbc [0]=='e'{_agdf ,_faff :=_eacf .readTextLine ();if _faff !=nil {return nil ,_faff ;};if len (_agdf )>=6&&_agdf [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _fdgbc [0]=='s'{_fdgbc ,_ =_eacf ._ceec .Peek (10);
if string (_fdgbc [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_feag :=6;if len (_fdgbc )> 6{if IsWhiteSpace (_fdgbc [_feag ])&&_fdgbc [_feag ]!='\r'&&_fdgbc [_feag ]!='\n'{_ag .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");
_eacf ._fcee ._egfdf =true ;_feag ++;};if _fdgbc [_feag ]=='\r'{_feag ++;if _fdgbc [_feag ]=='\n'{_feag ++;};}else if _fdgbc [_feag ]=='\n'{_feag ++;}else {_eacf ._fcee ._egfdf =true ;};};_eacf ._ceec .Discard (_feag );_fgbb ,_gdfb :=_feegc .PdfObject .(*PdfObjectDictionary );
if !_gdfb {return nil ,_a .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");};_ag .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_fgbb );
_bdae ,_eddcg :=_eacf .traceStreamLength (_fgbb .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _eddcg !=nil {_ag .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",_eddcg );
return nil ,_eddcg ;};_ag .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_bdae );_agda ,_ggge :=_bdae .(*PdfObjectInteger );if !_ggge {return nil ,_a .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");
};_deed :=*_agda ;if _deed < 0{return nil ,_a .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");};_acfef :=_eacf .GetFileOffset ();
_agdab :=_eacf .xrefNextObjectOffset (_acfef );if _acfef +int64 (_deed )> _agdab &&_agdab > _acfef {_ag .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_acfef +int64 (_deed ));_ag .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",_agdab );
_fbeb :=_agdab -_acfef -17;if _fbeb < 0{return nil ,_a .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");
};_ag .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",_fbeb );_deed =PdfObjectInteger (_fbeb );
_fgbb .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_fbeb ));};if int64 (_deed )> _eacf ._beebd {_ag .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 ,_a .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");};_acaad :=make ([]byte ,_deed );
_ ,_eddcg =_eacf .ReadAtLeast (_acaad ,int (_deed ));if _eddcg !=nil {_ag .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_acaad ),_acaad );_ag .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_eddcg );
return nil ,_eddcg ;};_bbc :=PdfObjectStream {};_bbc .Stream =_acaad ;_bbc .PdfObjectDictionary =_feegc .PdfObject .(*PdfObjectDictionary );_bbc .ObjectNumber =_feegc .ObjectNumber ;_bbc .GenerationNumber =_feegc .GenerationNumber ;_bbc .PdfObjectReference ._fdaa =_eacf ;
_eacf .skipSpaces ();_eacf ._ceec .Discard (9);_eacf .skipSpaces ();return &_bbc ,nil ;};};_feegc .PdfObject ,_dcff =_eacf .parseObject ();if _feegc .PdfObject ==nil {_ag .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");
_feegc .PdfObject =MakeNull ();};return &_feegc ,_dcff ;};};if _feegc .PdfObject ==nil {_ag .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");
_feegc .PdfObject =MakeNull ();};_ag .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_feegc ,nil ;};

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_gbdg *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_ggb :=_gg .NewReader (encoded );_agffc ,_faca :=_aa .Decode (_ggb );if _faca !=nil {_ag .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_faca );
return nil ,_faca ;};_bgfc :=_agffc .Bounds ();var _caf =make ([]byte ,_bgfc .Dx ()*_bgfc .Dy ()*_gbdg .ColorComponents *_gbdg .BitsPerComponent /8);_gbeb :=0;for _abaf :=_bgfc .Min .Y ;_abaf < _bgfc .Max .Y ;_abaf ++{for _fdaf :=_bgfc .Min .X ;_fdaf < _bgfc .Max .X ;
_fdaf ++{_cbfcf :=_agffc .At (_fdaf ,_abaf );if _gbdg .ColorComponents ==1{if _gbdg .BitsPerComponent ==16{_deeb ,_bca :=_cbfcf .(_bf .Gray16 );if !_bca {return nil ,_a .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_caf [_gbeb ]=byte ((_deeb .Y >>8)&0xff);_gbeb ++;_caf [_gbeb ]=byte (_deeb .Y &0xff);_gbeb ++;}else {_bbdb ,_cgdg :=_cbfcf .(_bf .Gray );if !_cgdg {return nil ,_a .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_caf [_gbeb ]=_bbdb .Y &0xff;_gbeb ++;};}else if _gbdg .ColorComponents ==3{if _gbdg .BitsPerComponent ==16{_ffbc ,_badf :=_cbfcf .(_bf .RGBA64 );if !_badf {return nil ,_a .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_caf [_gbeb ]=byte ((_ffbc .R >>8)&0xff);_gbeb ++;_caf [_gbeb ]=byte (_ffbc .R &0xff);_gbeb ++;_caf [_gbeb ]=byte ((_ffbc .G >>8)&0xff);_gbeb ++;_caf [_gbeb ]=byte (_ffbc .G &0xff);_gbeb ++;_caf [_gbeb ]=byte ((_ffbc .B >>8)&0xff);_gbeb ++;_caf [_gbeb ]=byte (_ffbc .B &0xff);
_gbeb ++;}else {_bae ,_ebe :=_cbfcf .(_bf .RGBA );if _ebe {_caf [_gbeb ]=_bae .R &0xff;_gbeb ++;_caf [_gbeb ]=_bae .G &0xff;_gbeb ++;_caf [_gbeb ]=_bae .B &0xff;_gbeb ++;}else {_agab ,_eagb :=_cbfcf .(_bf .YCbCr );if !_eagb {return nil ,_a .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_bfg ,_fbbb ,_gaba ,_ :=_agab .RGBA ();_caf [_gbeb ]=byte (_bfg >>8);_gbeb ++;_caf [_gbeb ]=byte (_fbbb >>8);_gbeb ++;_caf [_gbeb ]=byte (_gaba >>8);_gbeb ++;};};}else if _gbdg .ColorComponents ==4{_bafa ,_ggbd :=_cbfcf .(_bf .CMYK );if !_ggbd {return nil ,_a .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_caf [_gbeb ]=255-_bafa .C &0xff;_gbeb ++;_caf [_gbeb ]=255-_bafa .M &0xff;_gbeb ++;_caf [_gbeb ]=255-_bafa .Y &0xff;_gbeb ++;_caf [_gbeb ]=255-_bafa .K &0xff;_gbeb ++;};};};return _caf ,nil ;};

// EncodeBytes returns the passed in slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_edaa *RawEncoder )EncodeBytes (data []byte )([]byte ,error ){return data ,nil };func (_ebgdb *JBIG2Image )toBitmap ()(_adee *_gc .Bitmap ,_gabae error ){const _afbff ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";
if _ebgdb .Data ==nil {return nil ,_gdg .Error (_afbff ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");};if _ebgdb .Width ==0||_ebgdb .Height ==0{return nil ,_gdg .Error (_afbff ,"\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 _ebgdb .HasPadding {_adee ,_gabae =_gc .NewWithData (_ebgdb .Width ,_ebgdb .Height ,_ebgdb .Data );}else {_adee ,_gabae =_gc .NewWithUnpaddedData (_ebgdb .Width ,_ebgdb .Height ,_ebgdb .Data );};if _gabae !=nil {return nil ,_gdg .Wrap (_gabae ,_afbff ,"");
};return _adee ,nil ;};

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

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

// 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 _fdcdf ,_feae :=obj .(*PdfObjectReference );_feae {obj =_fdcdf .Resolve ();};_gafb ,_aaaa :=obj .(*PdfIndirectObject );_ccaf :=0;for _aaaa {obj =_gafb .PdfObject ;_gafb ,_aaaa =GetIndirect (obj );_ccaf ++;
if _ccaf > _cbcd {_ag .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",_cbcd );
return nil ;};};return obj ;};

// IsDecimalDigit checks if the character is a part of a decimal number string.
func IsDecimalDigit (c byte )bool {return '0'<=c &&c <='9'};func (_ecf *PdfParser )lookupByNumber (_bed int ,_gbg bool )(PdfObject ,bool ,error ){_gef ,_deb :=_ecf .ObjCache [_bed ];if _deb {_ag .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",_bed );
return _gef ,false ,nil ;};if _ecf ._gcdgb ==nil {_ecf ._gcdgb =map[int ]bool {};};if _ecf ._gcdgb [_bed ]{_ag .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",_bed );
return nil ,false ,_a .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");};_ecf ._gcdgb [_bed ]=true ;defer delete (_ecf ._gcdgb ,_bed );
_cbg ,_deb :=_ecf ._eegca .ObjectMap [_bed ];if !_deb {_ag .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 _eg PdfObjectNull ;return &_eg ,false ,nil ;};_ag .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_bed );if _cbg .XType ==XrefTypeTableEntry {_ag .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_cbg .ObjectNumber );
_ag .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_cbg .Generation );_ag .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_cbg .Offset );_ecf ._ggbg .Seek (_cbg .Offset ,_e .SeekStart );
_ecf ._ceec =_fcg .NewReader (_ecf ._ggbg );_aea ,_ac :=_ecf .ParseIndirectObject ();if _ac !=nil {_ag .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",_ac );
if _gbg {_ag .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");_daf ,_agf :=_ecf .repairRebuildXrefsTopDown ();
if _agf !=nil {_ag .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_agf );return nil ,false ,_agf ;};_ecf ._eegca =*_daf ;return _ecf .lookupByNumber (_bed ,false );
};return nil ,false ,_ac ;};if _gbg {_ebb ,_ ,_ :=_aecg (_aea );if int (_ebb )!=_bed {_ag .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_ccab :=_ecf .rebuildXrefTable ();
if _ccab !=nil {return nil ,false ,_ccab ;};_ecf .ObjCache =objectCache {};return _ecf .lookupByNumberWrapper (_bed ,false );};};_ag .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_ecf .ObjCache [_bed ]=_aea ;
return _aea ,false ,nil ;}else if _cbg .XType ==XrefTypeObjectStream {_ag .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_ag .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_ag .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",_cbg .OsObjNumber ,_cbg .OsObjIndex );
if _cbg .OsObjNumber ==_bed {_ag .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 ,_a .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_fdd :=_ecf ._eegca .ObjectMap [_cbg .OsObjNumber ];_fdd {_ccdf ,_gaa :=_ecf .lookupObjectViaOS (_cbg .OsObjNumber ,_bed );if _gaa !=nil {_ag .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_gaa );
return nil ,true ,_gaa ;};_ag .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_ecf .ObjCache [_bed ]=_ccdf ;if _ecf ._efed !=nil {_ecf ._efed ._dgd [_ccdf ]=true ;};return _ccdf ,true ,nil ;};_ag .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 ,_a .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 ,_a .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

// Append appends PdfObject(s) to the array.
func (_eaega *PdfObjectArray )Append (objects ...PdfObject ){if _eaega ==nil {_ag .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 ;};_eaega ._eadb =append (_eaega ._eadb ,objects ...);};

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

// 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 )(_ecac string ,_efcf bool ){_deaef ,_efcf :=TraceToDirectObject (obj ).(*PdfObjectName );if _efcf {return string (*_deaef ),true ;};return ;};

// 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 )(_efbe *PdfObjectArray ,_egge bool ){_efbe ,_egge =TraceToDirectObject (obj ).(*PdfObjectArray );return _efbe ,_egge ;};const JB2ImageAutoThreshold =-1.0;

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_deg *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_bcg ,_ad :=obj .(*PdfObjectReference );if !_ad {return obj ,nil ;};_ffd :=_deg .GetFileOffset ();defer func (){_deg .SetFileOffset (_ffd )}();_dbg ,_gaac :=_deg .LookupByReference (*_bcg );
if _gaac !=nil {return nil ,_gaac ;};_bg ,_gf :=_dbg .(*PdfIndirectObject );if !_gf {return _dbg ,nil ;};_dbg =_bg .PdfObject ;_ ,_ad =_dbg .(*PdfObjectReference );if _ad {return _bg ,_a .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 _dbg ,nil ;};

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

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

// Clear resets the dictionary to an empty state.
func (_dgfab *PdfObjectDictionary )Clear (){_dgfab ._dgbfb =[]PdfObjectName {};_dgfab ._bage =map[PdfObjectName ]PdfObject {};_dgfab ._fgee =&_d .Mutex {};};func (_dfac *FlateEncoder )postDecodePredict (_aeeb []byte )([]byte ,error ){if _dfac .Predictor > 1{if _dfac .Predictor ==2{_ag .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_ag .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_dfac .Colors );_abce :=_dfac .Columns *_dfac .Colors ;if _abce < 1{return []byte {},nil ;};_faf :=len (_aeeb )/_abce ;if len (_aeeb )%_abce !=0{_ag .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 ,_db .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 (_aeeb ),_abce );};if _abce %_dfac .Colors !=0{return nil ,_db .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",_abce ,_dfac .Colors );
};if _abce > len (_aeeb ){_ag .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",_abce ,len (_aeeb ));
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ag .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_aeeb ),_aeeb );
_bfc :=_gg .NewBuffer (nil );for _efd :=0;_efd < _faf ;_efd ++{_cadc :=_aeeb [_abce *_efd :_abce *(_efd +1)];for _efea :=_dfac .Colors ;_efea < _abce ;_efea ++{_cadc [_efea ]+=_cadc [_efea -_dfac .Colors ];};_bfc .Write (_cadc );};_cfd :=_bfc .Bytes ();
_ag .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_cfd ),_cfd );return _cfd ,nil ;}else if _dfac .Predictor >=10&&_dfac .Predictor <=15{_ag .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_eceg :=_dfac .Columns *_dfac .Colors +1;_gaec :=len (_aeeb )/_eceg ;if len (_aeeb )%_eceg !=0{return nil ,_db .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 (_aeeb ),_eceg );
};if _eceg > len (_aeeb ){_ag .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",_eceg ,len (_aeeb ));
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cccbe :=_gg .NewBuffer (nil );_ag .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_dfac .Columns );
_ag .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_aeeb ),_eceg ,_gaec );_fccg :=make ([]byte ,_eceg );for _bbea :=0;_bbea < _eceg ;_bbea ++{_fccg [_bbea ]=0;
};_bfcg :=_dfac .Colors ;for _gbgb :=0;_gbgb < _gaec ;_gbgb ++{_eefe :=_aeeb [_eceg *_gbgb :_eceg *(_gbgb +1)];_cgdd :=_eefe [0];switch _cgdd {case _eaf :case _afc :for _cfde :=1+_bfcg ;_cfde < _eceg ;_cfde ++{_eefe [_cfde ]+=_eefe [_cfde -_bfcg ];};case _ecbc :for _dba :=1;
_dba < _eceg ;_dba ++{_eefe [_dba ]+=_fccg [_dba ];};case _eefdb :for _agff :=1;_agff < _bfcg +1;_agff ++{_eefe [_agff ]+=_fccg [_agff ]/2;};for _egcf :=_bfcg +1;_egcf < _eceg ;_egcf ++{_eefe [_egcf ]+=byte ((int (_eefe [_egcf -_bfcg ])+int (_fccg [_egcf ]))/2);
};case _gbdc :for _dfeb :=1;_dfeb < _eceg ;_dfeb ++{var _ecgf ,_bdg ,_acdd byte ;_bdg =_fccg [_dfeb ];if _dfeb >=_bfcg +1{_ecgf =_eefe [_dfeb -_bfcg ];_acdd =_fccg [_dfeb -_bfcg ];};_eefe [_dfeb ]+=_cefda (_ecgf ,_bdg ,_acdd );};default:_ag .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",_cgdd ,_gbgb );
return nil ,_db .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_cgdd );};copy (_fccg ,_eefe );_cccbe .Write (_eefe [1:]);};_ddfa :=_cccbe .Bytes ();return _ddfa ,nil ;
}else {_ag .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",_dfac .Predictor );return nil ,_db .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",_dfac .Predictor );
};};return _aeeb ,nil ;};

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

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

// 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 (_cagga *PdfObjectString )Str ()string {return _cagga ._ffac };

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

// String returns a string describing `ind`.
func (_dace *PdfIndirectObject )String ()string {return _db .Sprintf ("\u0049\u004f\u0062\u006a\u0065\u0063\u0074\u003a\u0025\u0064",(*_dace ).ObjectNumber );};const (JB2Generic JBIG2CompressionType =iota ;JB2SymbolCorrelation ;JB2SymbolRankHaus ;);

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

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

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

// 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 )(_cbff *PdfObjectStream ,_gcdga bool ){obj =ResolveReference (obj );_cbff ,_gcdga =obj .(*PdfObjectStream );return _cbff ,_gcdga ;};func _cfe (_dgc *_eb .StdEncryptDict ,_dea *PdfObjectDictionary )error {R ,_gbgf :=_dea .Get ("\u0052").(*PdfObjectInteger );
if !_gbgf {return _a .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 _db .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0052 \u0028\u0025\u0064\u0029",*R );
};_dgc .R =int (*R );O ,_gbgf :=_dea .GetString ("\u004f");if !_gbgf {return _a .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 _dgc .R ==5||_dgc .R ==6{if len (O )< 48{return _db .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 _db .Errorf ("L\u0065n\u0067\u0074\u0068\u0028\u004f\u0029\u0020\u0021=\u0020\u0033\u0032\u0020(%\u0064\u0029",len (O ));};_dgc .O =[]byte (O );U ,_gbgf :=_dea .GetString ("\u0055");if !_gbgf {return _a .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 _dgc .R ==5||_dgc .R ==6{if len (U )< 48{return _db .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{_ag .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 ));
};_dgc .U =[]byte (U );if _dgc .R >=5{OE ,_aecgb :=_dea .GetString ("\u004f\u0045");if !_aecgb {return _a .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 _db .Errorf ("L\u0065\u006e\u0067\u0074h(\u004fE\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (OE ));};_dgc .OE =[]byte (OE );UE ,_aecgb :=_dea .GetString ("\u0055\u0045");if !_aecgb {return _a .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 _db .Errorf ("L\u0065\u006e\u0067\u0074h(\u0055E\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (UE ));};_dgc .UE =[]byte (UE );};P ,_gbgf :=_dea .Get ("\u0050").(*PdfObjectInteger );if !_gbgf {return _a .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");
};_dgc .P =_eb .Permissions (*P );if _dgc .R ==6{Perms ,_gdd :=_dea .GetString ("\u0050\u0065\u0072m\u0073");if !_gdd {return _a .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 _db .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 ));};_dgc .Perms =[]byte (Perms );};if _dfd ,_agb :=_dea .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_agb {_dgc .EncryptMetadata =bool (*_dfd );}else {_dgc .EncryptMetadata =true ;};return nil ;};

// GetPreviousRevisionReadSeeker returns ReadSeeker for the previous version of the Pdf document.
func (_efad *PdfParser )GetPreviousRevisionReadSeeker ()(_e .ReadSeeker ,error ){if _eefdd :=_efad .seekToEOFMarker (_efad ._beebd -_fdac );_eefdd !=nil {return nil ,_eefdd ;};_gbec ,_ggga :=_efad ._ggbg .Seek (0,_e .SeekCurrent );if _ggga !=nil {return nil ,_ggga ;
};_gbec +=_fdac ;return _fdfe (_efad ._ggbg ,_gbec );};

// ToGoImage converts the JBIG2Image to the golang image.Image.
func (_cgcc *JBIG2Image )ToGoImage ()(_fc .Image ,error ){const _babe ="J\u0042I\u0047\u0032\u0049\u006d\u0061\u0067\u0065\u002eT\u006f\u0047\u006f\u0049ma\u0067\u0065";if _cgcc .Data ==nil {return nil ,_gdg .Error (_babe ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");
};if _cgcc .Width ==0||_cgcc .Height ==0{return nil ,_gdg .Error (_babe ,"\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");
};_fcce ,_daga :=_cc .NewImage (_cgcc .Width ,_cgcc .Height ,1,1,_cgcc .Data ,nil ,nil );if _daga !=nil {return nil ,_daga ;};return _fcce ,nil ;};func (_cffa *PdfObjectInteger )String ()string {return _db .Sprintf ("\u0025\u0064",*_cffa )};

// ParserMetadata is the parser based metadata information about document.
// The data here could be used on document verification.
type ParserMetadata struct{_daac int ;_acd bool ;_age [4]byte ;_fgd bool ;_gbgfgb bool ;_cbe bool ;_egfdf bool ;_acc bool ;_dda bool ;};

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

// DCTEncoder provides a DCT (JPG) encoding/decoding functionality for images.
type DCTEncoder struct{ColorComponents int ;BitsPerComponent int ;Width int ;Height int ;Quality int ;};func _fcfd (_deef PdfObject )(*float64 ,error ){switch _adaec :=_deef .(type ){case *PdfObjectFloat :_dfege :=float64 (*_adaec );return &_dfege ,nil ;
case *PdfObjectInteger :_egbb :=float64 (*_adaec );return &_egbb ,nil ;case *PdfObjectNull :return nil ,nil ;};return nil ,ErrNotANumber ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_deab *CCITTFaxEncoder )MakeDecodeParams ()PdfObject {_ffbb :=MakeDict ();_ffbb .Set ("\u004b",MakeInteger (int64 (_deab .K )));_ffbb .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_deab .Columns )));if _deab .BlackIs1 {_ffbb .Set ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031",MakeBool (_deab .BlackIs1 ));
};if _deab .EncodedByteAlign {_ffbb .Set ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e",MakeBool (_deab .EncodedByteAlign ));};if _deab .EndOfLine &&_deab .K >=0{_ffbb .Set ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee",MakeBool (_deab .EndOfLine ));
};if _deab .Rows !=0&&!_deab .EndOfBlock {_ffbb .Set ("\u0052\u006f\u0077\u0073",MakeInteger (int64 (_deab .Rows )));};if !_deab .EndOfBlock {_ffbb .Set ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b",MakeBool (_deab .EndOfBlock ));};if _deab .DamagedRowsBeforeError !=0{_ffbb .Set ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072",MakeInteger (int64 (_deab .DamagedRowsBeforeError )));
};return _ffbb ;};var _adgce =_ge .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");

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

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

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

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

// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_bf .Model ;Bounds ()_fc .Rectangle ;At (_ffea ,_efcg int )_bf .Color ;Set (_dga ,_fgbg int ,_bcdd _bf .Color );};func _dbegd (_ccf *PdfObjectStream ,_cfbd *PdfObjectDictionary )(*LZWEncoder ,error ){_ebc :=NewLZWEncoder ();
_bbd :=_ccf .PdfObjectDictionary ;if _bbd ==nil {return _ebc ,nil ;};if _cfbd ==nil {_bbfe :=TraceToDirectObject (_bbd .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _bbfe !=nil {if _ccdc ,_bcbc :=_bbfe .(*PdfObjectDictionary );
_bcbc {_cfbd =_ccdc ;}else if _facg ,_gfeb :=_bbfe .(*PdfObjectArray );_gfeb {if _facg .Len ()==1{if _cddf ,_bfa :=GetDict (_facg .Get (0));_bfa {_cfbd =_cddf ;};};};if _cfbd ==nil {_ag .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",_bbfe );
return nil ,_db .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_bgf :=_bbd .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _bgf !=nil {_agacf ,_dge :=_bgf .(*PdfObjectInteger );
if !_dge {_ag .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",_bgf );
return nil ,_db .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_agacf !=0&&*_agacf !=1{return nil ,_db .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");
};_ebc .EarlyChange =int (*_agacf );}else {_ebc .EarlyChange =1;};if _cfbd ==nil {return _ebc ,nil ;};if _dgba ,_bffa :=GetIntVal (_cfbd .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_bffa {if _dgba ==0||_dgba ==1{_ebc .EarlyChange =_dgba ;
}else {_ag .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",_dgba );};};_bgf =_cfbd .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _bgf !=nil {_fdf ,_eafd :=_bgf .(*PdfObjectInteger );if !_eafd {_ag .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",_bgf );
return nil ,_db .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_ebc .Predictor =int (*_fdf );};_bgf =_cfbd .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _bgf !=nil {_fbbeb ,_bgbe :=_bgf .(*PdfObjectInteger );if !_bgbe {_ag .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 ,_db .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_ebc .BitsPerComponent =int (*_fbbeb );};if _ebc .Predictor > 1{_ebc .Columns =1;_bgf =_cfbd .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _bgf !=nil {_dgf ,_beb :=_bgf .(*PdfObjectInteger );if !_beb {return nil ,_db .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_ebc .Columns =int (*_dgf );
};_ebc .Colors =1;_bgf =_cfbd .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _bgf !=nil {_ffad ,_cgce :=_bgf .(*PdfObjectInteger );if !_cgce {return nil ,_db .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");
};_ebc .Colors =int (*_ffad );};};_ag .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_cfbd .String ());return _ebc ,nil ;};type xrefType int ;func (_aecga *JBIG2Encoder )encodeImage (_cbaadg _fc .Image )([]byte ,error ){const _cafae ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";
_adaf ,_cbaf :=GoImageToJBIG2 (_cbaadg ,JB2ImageAutoThreshold );if _cbaf !=nil {return nil ,_gdg .Wrap (_cbaf ,_cafae ,"\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 _cbaf =_aecga .AddPageImage (_adaf ,&_aecga .DefaultPageSettings );_cbaf !=nil {return nil ,_gdg .Wrap (_cbaf ,_cafae ,"");};return _aecga .Encode ();};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_aece *MultiEncoder )MakeDecodeParams ()PdfObject {if len (_aece ._agga )==0{return nil ;};if len (_aece ._agga )==1{return _aece ._agga [0].MakeDecodeParams ();};_dfad :=MakeArray ();_fbe :=true ;for _ ,_baad :=range _aece ._agga {_fgbe :=_baad .MakeDecodeParams ();
if _fgbe ==nil {_dfad .Append (MakeNull ());}else {_fbe =false ;_dfad .Append (_fgbe );};};if _fbe {return nil ;};return _dfad ;};func (_ec *PdfParser )lookupObjectViaOS (_gb int ,_agg int )(PdfObject ,error ){var _ga *_gg .Reader ;var _da objectStream ;
var _gde bool ;_da ,_gde =_ec ._beda [_gb ];if !_gde {_ea ,_fa :=_ec .LookupByNumber (_gb );if _fa !=nil {_ag .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",_gb );
return nil ,_fa ;};_be ,_aae :=_ea .(*PdfObjectStream );if !_aae {return nil ,_a .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _ec ._efed !=nil &&!_ec ._efed .isDecrypted (_be ){return nil ,_a .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");
};_eca :=_be .PdfObjectDictionary ;_ag .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_eca .String ());_geca ,_aae :=_eca .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_aae {_ag .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 ,_a .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 _gd .ToLower (string (*_geca ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_ag .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 ,_a .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 ,_aae :=_eca .Get ("\u004e").(*PdfObjectInteger );if !_aae {return nil ,_a .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");
};_cd ,_aae :=_eca .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_aae {return nil ,_a .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");
};_ag .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",_geca ,*N );_gbd ,_fa :=DecodeStream (_be );if _fa !=nil {return nil ,_fa ;
};_ag .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_gbd );_ed :=_ec .GetFileOffset ();defer func (){_ec .SetFileOffset (_ed )}();_ga =_gg .NewReader (_gbd );_ec ._ceec =_fcg .NewReader (_ga );_ag .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_dde :=map[int ]int64 {};for _ddec :=0;_ddec < int (*N );_ddec ++{_ec .skipSpaces ();_cb ,_ecc :=_ec .parseNumber ();if _ecc !=nil {return nil ,_ecc ;};_faa ,_cbb :=_cb .(*PdfObjectInteger );if !_cbb {return nil ,_a .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");
};_ec .skipSpaces ();_cb ,_ecc =_ec .parseNumber ();if _ecc !=nil {return nil ,_ecc ;};_eab ,_cbb :=_cb .(*PdfObjectInteger );if !_cbb {return nil ,_a .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");
};_ag .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_faa ,*_eab );_dde [int (*_faa )]=int64 (*_cd +*_eab );};_da =objectStream {N :int (*N ),_feg :_gbd ,_eba :_dde };_ec ._beda [_gb ]=_da ;}else {_aec :=_ec .GetFileOffset ();
defer func (){_ec .SetFileOffset (_aec )}();_ga =_gg .NewReader (_da ._feg );_ec ._ceec =_fcg .NewReader (_ga );};_fb :=_da ._eba [_agg ];_ag .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_agg ,_fb );
_ga .Seek (_fb ,_e .SeekStart );_ec ._ceec =_fcg .NewReader (_ga );_abb ,_ :=_ec ._ceec .Peek (100);_ag .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_abb ));_fab ,_cec :=_ec .parseObject ();if _cec !=nil {_ag .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",_cec );
return nil ,_cec ;};if _fab ==nil {return nil ,_a .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");};_ee :=PdfIndirectObject {};_ee .ObjectNumber =int64 (_agg );_ee .PdfObject =_fab ;_ee ._fdaa =_ec ;
return &_ee ,nil ;};

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

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_gfbe *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_gfee :=encoded ;var _gcdeb error ;for _ ,_eagba :=range _gfbe ._agga {_ag .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",_eagba ,_eagba );
_gfee ,_gcdeb =_eagba .DecodeBytes (_gfee );if _gcdeb !=nil {return nil ,_gcdeb ;};};return _gfee ,nil ;};func (_dggf *PdfParser )traceStreamLength (_aggaf PdfObject )(PdfObject ,error ){_adgb ,_fdba :=_aggaf .(*PdfObjectReference );if _fdba {_faga ,_gbegg :=_dggf ._cfbaf [_adgb .ObjectNumber ];
if _gbegg &&_faga {_ag .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 ,_a .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_dggf ._cfbaf [_adgb .ObjectNumber ]=true ;};_fcbcf ,_dgda :=_dggf .Resolve (_aggaf );if _dgda !=nil {return nil ,_dgda ;
};_ag .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_fcbcf );if _fdba {_dggf ._cfbaf [_adgb .ObjectNumber ]=false ;};return _fcbcf ,nil ;};

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

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

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

// 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 _e .ReadSeeker )(*PdfParser ,error ){_caae :=&PdfParser {_ggbg :rs ,ObjCache :make (objectCache ),_cfbaf :map[int64 ]bool {},_cfag :make ([]int64 ,0),_fgadd :make (map[*PdfParser ]*PdfParser )};_gggb ,_agbae ,_fcgg :=_caae .parsePdfVersion ();
if _fcgg !=nil {_ag .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",_fcgg );return nil ,_fcgg ;};_caae ._affca .Major =_gggb ;_caae ._affca .Minor =_agbae ;
if _caae ._bacee ,_fcgg =_caae .loadXrefs ();_fcgg !=nil {_ag .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",_fcgg );return nil ,_fcgg ;
};_ag .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_caae ._bacee );_ddfg ,_fcgg :=_caae .parseLinearizedDictionary ();if _fcgg !=nil {return nil ,_fcgg ;};if _ddfg !=nil {_caae ._gecg ,_fcgg =_caae .checkLinearizedInformation (_ddfg );
if _fcgg !=nil {return nil ,_fcgg ;};};if len (_caae ._eegca .ObjectMap )==0{return nil ,_db .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");
};_caae ._ddae =len (_caae ._cfag );if _caae ._gecg &&_caae ._ddae !=0{_caae ._ddae --;};_caae ._gacd =make ([]*PdfParser ,_caae ._ddae );return _caae ,nil ;};func (_gce *PdfCrypt )generateParams (_fbbe ,_degg []byte )error {_gge :=_gce .securityHandler ();
_abaa ,_dff :=_gge .GenerateParams (&_gce ._ef ,_degg ,_fbbe );if _dff !=nil {return _dff ;};_gce ._ecb =_abaa ;return nil ;};func (_ggg *PdfCrypt )saveCryptFilters (_agba *PdfObjectDictionary )error {if _ggg ._daa .V < 4{return _a .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");
};_fde :=MakeDict ();_agba .Set ("\u0043\u0046",_fde );for _ced ,_gbc :=range _ggg ._dafg {if _ced =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_geg :=_aeg (_gbc ,"");_fde .Set (PdfObjectName (_ced ),_geg );};_agba .Set ("\u0053\u0074\u0072\u0046",MakeName (_ggg ._afaa ));
_agba .Set ("\u0053\u0074\u006d\u0046",MakeName (_ggg ._ceb ));return nil ;};

// EncodeBytes encodes the image data using either Group3 or Group4 CCITT facsimile (fax) encoding.
// `data` is expected to be 1 color component, 1 bit per component. It is also valid to provide 8 BPC, 1 CC image like
// a standard go image Gray data.
func (_fffa *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _bfgb _cc .Gray ;switch len (data ){case _fffa .Rows *_fffa .Columns :_dfb ,_gfgg :=_cc .NewImage (_fffa .Columns ,_fffa .Rows ,8,1,data ,nil ,nil );if _gfgg !=nil {return nil ,_gfgg ;
};_bfgb =_dfb .(_cc .Gray );case (_fffa .Columns *_fffa .Rows )+7>>3:_dcdg ,_cbeg :=_cc .NewImage (_fffa .Columns ,_fffa .Rows ,1,1,data ,nil ,nil );if _cbeg !=nil {return nil ,_cbeg ;};_adab :=_dcdg .(*_cc .Monochrome );if _cbeg =_adab .AddPadding ();
_cbeg !=nil {return nil ,_cbeg ;};_bfgb =_adab ;default:if len (data )< _cc .BytesPerLine (_fffa .Columns ,1,1)*_fffa .Rows {return nil ,_a .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_gfce ,_bade :=_cc .NewImage (_fffa .Columns ,_fffa .Rows ,1,1,data ,nil ,nil );if _bade !=nil {return nil ,_bade ;};_cafa :=_gfce .(*_cc .Monochrome );_bfgb =_cafa ;};_eaea :=make ([][]byte ,_fffa .Rows );for _ccde :=0;_ccde < _fffa .Rows ;_ccde ++{_bdeg :=make ([]byte ,_fffa .Columns );
for _gcfb :=0;_gcfb < _fffa .Columns ;_gcfb ++{_gdff :=_bfgb .GrayAt (_gcfb ,_ccde );_bdeg [_gcfb ]=_gdff .Y >>7;};_eaea [_ccde ]=_bdeg ;};_bgbg :=&_ab .Encoder {K :_fffa .K ,Columns :_fffa .Columns ,EndOfLine :_fffa .EndOfLine ,EndOfBlock :_fffa .EndOfBlock ,BlackIs1 :_fffa .BlackIs1 ,DamagedRowsBeforeError :_fffa .DamagedRowsBeforeError ,Rows :_fffa .Rows ,EncodedByteAlign :_fffa .EncodedByteAlign };
return _bgbg .Encode (_eaea ),nil ;};

// GetBoolVal returns the bool value within a *PdObjectBool represented by an PdfObject interface directly or indirectly.
// If the PdfObject does not represent a bool value, a default value of false is returned (found = false also).
func GetBoolVal (obj PdfObject )(_bfgf bool ,_dcdeb bool ){_dfgbae ,_dcdeb :=TraceToDirectObject (obj ).(*PdfObjectBool );if _dcdeb {return bool (*_dfgbae ),true ;};return false ,false ;};

// 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 ;_fgf []XrefObject ;};

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_fdece :=_gg .NewReader ([]byte (txt ));_afffg :=&PdfParser {ObjCache :objectCache {},_ggbg :_fdece ,_ceec :_fcg .NewReader (_fdece ),_beebd :int64 (len (txt )),_cfbaf :map[int64 ]bool {},_fgadd :make (map[*PdfParser ]*PdfParser )};
_afffg ._eegca .ObjectMap =make (map[int ]XrefObject );return _afffg ;};

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

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

// PdfObjectReference represents the primitive PDF reference object.
type PdfObjectReference struct{_fdaa *PdfParser ;ObjectNumber int64 ;GenerationNumber int64 ;};const (DefaultJPEGQuality =75;);

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_bbbd *ASCIIHexEncoder )MakeDecodeParams ()PdfObject {return nil };var _dggd =_a .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");var _ceef _d .Map ;

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

// RegisterCustomStreamEncoder register a custom encoder handler for certain filter.
func RegisterCustomStreamEncoder (filterName string ,customStreamEncoder StreamEncoder ){_ceef .Store (filterName ,customStreamEncoder );};var _geba =_ge .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");


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

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

// 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 (_fga *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _fga .isDecrypted (obj ){return nil ;};switch _abgd :=obj .(type ){case *PdfIndirectObject :_fga ._dgd [_abgd ]=true ;_ag .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",_abgd .ObjectNumber ,_abgd .GenerationNumber );
_gbe :=_abgd .ObjectNumber ;_dced :=_abgd .GenerationNumber ;_bee :=_fga .Decrypt (_abgd .PdfObject ,_gbe ,_dced );if _bee !=nil {return _bee ;};return nil ;case *PdfObjectStream :_fga ._dgd [_abgd ]=true ;_ceeg :=_abgd .PdfObjectDictionary ;if _fga ._ef .R !=5{if _cbcg ,_eec :=_ceeg .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_eec &&*_cbcg =="\u0058\u0052\u0065\u0066"{return nil ;};};_cbae :=_abgd .ObjectNumber ;_ade :=_abgd .GenerationNumber ;_ag .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_cbae ,_ade );
_gac :=_gbgfg ;if _fga ._daa .V >=4{_gac =_fga ._ceb ;_ag .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_fga ._ceb );if _eac ,_ddfb :=_ceeg .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_ddfb {if _fea ,_bgee :=GetName (_eac .Get (0));_bgee {if *_fea =="\u0043\u0072\u0079p\u0074"{_gac ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _fff ,_bceb :=_ceeg .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_bceb {if _dbeg ,_cgd :=_fff .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_cgd {if _ ,_beed :=_fga ._dafg [string (*_dbeg )];_beed {_ag .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_dbeg );
_gac =string (*_dbeg );};};};};};};_ag .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_gac );if _gac =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_gabg :=_fga .Decrypt (_ceeg ,_cbae ,_ade );
if _gabg !=nil {return _gabg ;};_fabc ,_gabg :=_fga .makeKey (_gac ,uint32 (_cbae ),uint32 (_ade ),_fga ._ecb );if _gabg !=nil {return _gabg ;};_abgd .Stream ,_gabg =_fga .decryptBytes (_abgd .Stream ,_gac ,_fabc );if _gabg !=nil {return _gabg ;};_ceeg .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_abgd .Stream ))));
return nil ;case *PdfObjectString :_ag .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_fdcd :=_gbgfg ;if _fga ._daa .V >=4{_ag .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_fga ._afaa );
if _fga ._afaa =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_fdcd =_fga ._afaa ;};_ffff ,_eeag :=_fga .makeKey (_fdcd ,uint32 (parentObjNum ),uint32 (parentGenNum ),_fga ._ecb );if _eeag !=nil {return _eeag ;};_ffae :=_abgd .Str ();
_cfef :=make ([]byte ,len (_ffae ));for _acg :=0;_acg < len (_ffae );_acg ++{_cfef [_acg ]=_ffae [_acg ];};if len (_cfef )> 0{_ag .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_cfef ,_cfef );
_cfef ,_eeag =_fga .decryptBytes (_cfef ,_fdcd ,_ffff );if _eeag !=nil {return _eeag ;};};_abgd ._ffac =string (_cfef );return nil ;case *PdfObjectArray :for _ ,_fdg :=range _abgd .Elements (){_cbfc :=_fga .Decrypt (_fdg ,parentObjNum ,parentGenNum );if _cbfc !=nil {return _cbfc ;
};};return nil ;case *PdfObjectDictionary :_aga :=false ;if _cede :=_abgd .Get ("\u0054\u0079\u0070\u0065");_cede !=nil {_ddge ,_efb :=_cede .(*PdfObjectName );if _efb &&*_ddge =="\u0053\u0069\u0067"{_aga =true ;};};for _ ,_bgb :=range _abgd .Keys (){_cff :=_abgd .Get (_bgb );
if _aga &&string (_bgb )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_bgb )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_bgb )!="\u0050\u0072\u0065\u0076"&&string (_bgb )!="\u004c\u0061\u0073\u0074"{_eccd :=_fga .Decrypt (_cff ,parentObjNum ,parentGenNum );
if _eccd !=nil {return _eccd ;};};};return nil ;};return nil ;};func (_bbe *PdfParser )lookupByNumberWrapper (_cef int ,_bc bool )(PdfObject ,bool ,error ){_aba ,_eda ,_fgc :=_bbe .lookupByNumber (_cef ,_bc );if _fgc !=nil {return nil ,_eda ,_fgc ;};if !_eda &&_bbe ._efed !=nil &&_bbe ._efed ._ddc &&!_bbe ._efed .isDecrypted (_aba ){_ccd :=_bbe ._efed .Decrypt (_aba ,0,0);
if _ccd !=nil {return nil ,_eda ,_ccd ;};};return _aba ,_eda ,nil ;};func (_ddde *PdfParser )parseBool ()(PdfObjectBool ,error ){_daae ,_dfdb :=_ddde ._ceec .Peek (4);if _dfdb !=nil {return PdfObjectBool (false ),_dfdb ;};if (len (_daae )>=4)&&(string (_daae [:4])=="\u0074\u0072\u0075\u0065"){_ddde ._ceec .Discard (4);
return PdfObjectBool (true ),nil ;};_daae ,_dfdb =_ddde ._ceec .Peek (5);if _dfdb !=nil {return PdfObjectBool (false ),_dfdb ;};if (len (_daae )>=5)&&(string (_daae [:5])=="\u0066\u0061\u006cs\u0065"){_ddde ._ceec .Discard (5);return PdfObjectBool (false ),nil ;
};return PdfObjectBool (false ),_a .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");};const (XrefTypeTableEntry xrefType =iota ;XrefTypeObjectStream xrefType =iota ;);

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

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_feec *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _ffffe []byte ;_ag .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_bfdg :=0;_fdbc :=false ;for _bfdg < len (encoded )&&!_fdbc {_ebab :=[5]byte {0,0,0,0,0};
_cegc :=0;_efff :=0;_cdgg :=4;for _efff < 5+_cegc {if _bfdg +_efff ==len (encoded ){break ;};_gegf :=encoded [_bfdg +_efff ];if IsWhiteSpace (_gegf ){_cegc ++;_efff ++;continue ;}else if _gegf =='~'&&_bfdg +_efff +1< len (encoded )&&encoded [_bfdg +_efff +1]=='>'{_cdgg =(_efff -_cegc )-1;
if _cdgg < 0{_cdgg =0;};_fdbc =true ;break ;}else if _gegf >='!'&&_gegf <='u'{_gegf -='!';}else if _gegf =='z'&&_efff -_cegc ==0{_cdgg =4;_efff ++;break ;}else {_ag .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 ,_a .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_ebab [_efff -_cegc ]=_gegf ;_efff ++;};_bfdg +=_efff ;for _efffa :=_cdgg +1;_efffa < 5;_efffa ++{_ebab [_efffa ]=84;
};_gfdd :=uint32 (_ebab [0])*85*85*85*85+uint32 (_ebab [1])*85*85*85+uint32 (_ebab [2])*85*85+uint32 (_ebab [3])*85+uint32 (_ebab [4]);_afca :=[]byte {byte ((_gfdd >>24)&0xff),byte ((_gfdd >>16)&0xff),byte ((_gfdd >>8)&0xff),byte (_gfdd &0xff)};_ffffe =append (_ffffe ,_afca [:_cdgg ]...);
};_ag .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_ag .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_ffffe );
return _ffffe ,nil ;};

// MakeStringFromBytes creates an PdfObjectString from a byte array.
// This is more natural than MakeString as `data` is usually not utf-8 encoded.
func MakeStringFromBytes (data []byte )*PdfObjectString {return MakeString (string (data ))};

// ASCIIHexEncoder implements ASCII hex encoder/decoder.
type ASCIIHexEncoder struct{};const _cbcd =10;

// EncodeImage encodes 'img' golang image.Image into jbig2 encoded bytes document using default encoder settings.
func (_ebf *JBIG2Encoder )EncodeImage (img _fc .Image )([]byte ,error ){return _ebf .encodeImage (img )};func (_aedb *PdfParser )skipSpaces ()(int ,error ){_gfggb :=0;for {_bfbd ,_agbb :=_aedb ._ceec .ReadByte ();if _agbb !=nil {return 0,_agbb ;};if IsWhiteSpace (_bfbd ){_gfggb ++;
}else {_aedb ._ceec .UnreadByte ();break ;};};return _gfggb ,nil ;};

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

// Append appends PdfObject(s) to the streams.
func (_decb *PdfObjectStreams )Append (objects ...PdfObject ){if _decb ==nil {_ag .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 ;};_decb ._edab =append (_decb ._edab ,objects ...);};

// String returns a string describing `null`.
func (_becc *PdfObjectNull )String ()string {return "\u006e\u0075\u006c\u006c"};func (_ebge *PdfParser )parseLinearizedDictionary ()(*PdfObjectDictionary ,error ){_beff ,_abdf :=_ebge ._ggbg .Seek (0,_e .SeekEnd );if _abdf !=nil {return nil ,_abdf ;};var _eeagd int64 ;
var _cgdac int64 =2048;for _eeagd < _beff -4{if _beff <=(_cgdac +_eeagd ){_cgdac =_beff -_eeagd ;};_ ,_dfae :=_ebge ._ggbg .Seek (_eeagd ,_e .SeekStart );if _dfae !=nil {return nil ,_dfae ;};_aaba :=make ([]byte ,_cgdac );_ ,_dfae =_ebge ._ggbg .Read (_aaba );
if _dfae !=nil {return nil ,_dfae ;};_ag .Log .Trace ("\u004c\u006f\u006f\u006b\u0069\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0066i\u0072\u0073\u0074\u0020\u0069\u006ed\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u003a \u0022\u0025\u0073\u0022",string (_aaba ));
_gddd :=_beedff .FindAllStringIndex (string (_aaba ),-1);if _gddd !=nil {_ffegc :=_gddd [0];_ag .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_gddd );_ ,_gcdb :=_ebge ._ggbg .Seek (int64 (_ffegc [0]),_e .SeekStart );if _gcdb !=nil {return nil ,_gcdb ;
};_ebge ._ceec =_fcg .NewReader (_ebge ._ggbg );_cbcb ,_gcdb :=_ebge .ParseIndirectObject ();if _gcdb !=nil {return nil ,nil ;};if _acca ,_gdae :=GetIndirect (_cbcb );_gdae {if _fefd ,_efdac :=GetDict (_acca .PdfObject );_efdac {if _cdaac :=_fefd .Get ("\u004c\u0069\u006e\u0065\u0061\u0072\u0069\u007a\u0065\u0064");
_cdaac !=nil {return _fefd ,nil ;};return nil ,nil ;};};return nil ,nil ;};_eeagd +=_cgdac -4;};return nil ,_a .New ("\u0074\u0068\u0065\u0020\u0066\u0069\u0072\u0073\u0074\u0020\u006fb\u006a\u0065\u0063\u0074\u0020\u006e\u006f\u0074\u0020\u0066o\u0075\u006e\u0064");
};

// 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 (_ageb *PdfObjectArray )ToIntegerArray ()([]int ,error ){var _degb []int ;for _ ,_beae :=range _ageb .Elements (){if _bbec ,_dcdc :=_beae .(*PdfObjectInteger );_dcdc {_degb =append (_degb ,int (*_bbec ));}else {return nil ,ErrTypeError ;};};return _degb ,nil ;
};type encryptDict struct{Filter string ;V int ;SubFilter string ;Length int ;StmF string ;StrF string ;EFF string ;CF map[string ]_fdb .FilterDict ;};

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

// JPXEncoder implements JPX encoder/decoder (dummy, for now)
// FIXME: implement
type JPXEncoder struct{};func (_eabab *PdfObjectDictionary )setWithLock (_dae PdfObjectName ,_ecegf PdfObject ,_deaa bool ){if _deaa {_eabab ._fgee .Lock ();defer _eabab ._fgee .Unlock ();};_ ,_bbca :=_eabab ._bage [_dae ];if !_bbca {_eabab ._dgbfb =append (_eabab ._dgbfb ,_dae );
};_eabab ._bage [_dae ]=_ecegf ;};

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

// Keys returns the list of keys in the dictionary.
// If `d` is nil returns a nil slice.
func (_decce *PdfObjectDictionary )Keys ()[]PdfObjectName {if _decce ==nil {return nil ;};return _decce ._dgbfb ;};var _eeada =_ge .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");

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

// 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 )(_fegg *PdfObjectName ,_fgcgc bool ){_fegg ,_fgcgc =TraceToDirectObject (obj ).(*PdfObjectName );return _fegg ,_fgcgc ;};

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

// String returns a string describing `ref`.
func (_eebcb *PdfObjectReference )String ()string {return _db .Sprintf ("\u0052\u0065\u0066\u0028\u0025\u0064\u0020\u0025\u0064\u0029",_eebcb .ObjectNumber ,_eebcb .GenerationNumber );};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";);func _ccef (_dbaf string )(PdfObjectReference ,error ){_gaab :=PdfObjectReference {};
_ecec :=_ecedd .FindStringSubmatch (_dbaf );if len (_ecec )< 3{_ag .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");return _gaab ,_a .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};_abcce ,_ :=_g .Atoi (_ecec [1]);_bdac ,_ :=_g .Atoi (_ecec [2]);_gaab .ObjectNumber =int64 (_abcce );_gaab .GenerationNumber =int64 (_bdac );return _gaab ,nil ;};

// DecodeBytes decodes the CCITTFax encoded image data.
func (_gcg *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_agea ,_gbb :=_ab .NewDecoder (encoded ,_ab .DecodeOptions {Columns :_gcg .Columns ,Rows :_gcg .Rows ,K :_gcg .K ,EncodedByteAligned :_gcg .EncodedByteAlign ,BlackIsOne :_gcg .BlackIs1 ,EndOfBlock :_gcg .EndOfBlock ,EndOfLine :_gcg .EndOfLine ,DamagedRowsBeforeError :_gcg .DamagedRowsBeforeError });
if _gbb !=nil {return nil ,_gbb ;};_gddgf ,_gbb :=_cf .ReadAll (_agea );if _gbb !=nil {return nil ,_gbb ;};return _gddgf ,nil ;};func _edafg (_bdfc _cc .Image )*JBIG2Image {_cgfg :=_bdfc .Base ();return &JBIG2Image {Data :_cgfg .Data ,Width :_cgfg .Width ,Height :_cgfg .Height ,HasPadding :true };
};

// 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 _fbb (_gff *_eb .StdEncryptDict ,_cbc *PdfObjectDictionary ){_cbc .Set ("\u0052",MakeInteger (int64 (_gff .R )));_cbc .Set ("\u0050",MakeInteger (int64 (_gff .P )));_cbc .Set ("\u004f",MakeStringFromBytes (_gff .O ));_cbc .Set ("\u0055",MakeStringFromBytes (_gff .U ));
if _gff .R >=5{_cbc .Set ("\u004f\u0045",MakeStringFromBytes (_gff .OE ));_cbc .Set ("\u0055\u0045",MakeStringFromBytes (_gff .UE ));_cbc .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_gff .EncryptMetadata ));
if _gff .R > 5{_cbc .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_gff .Perms ));};};};func (_bedf *PdfParser )readComment ()(string ,error ){var _cabe _gg .Buffer ;_ ,_eafa :=_bedf .skipSpaces ();if _eafa !=nil {return _cabe .String (),_eafa ;
};_efbde :=true ;for {_cde ,_bdda :=_bedf ._ceec .Peek (1);if _bdda !=nil {_ag .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_bdda .Error ());return _cabe .String (),_bdda ;};if _efbde &&_cde [0]!='%'{return _cabe .String (),_a .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");
};_efbde =false ;if (_cde [0]!='\r')&&(_cde [0]!='\n'){_dbgf ,_ :=_bedf ._ceec .ReadByte ();_cabe .WriteByte (_dbgf );}else {break ;};};return _cabe .String (),nil ;};

// DecodeBytes decodes a slice of JBIG2 encoded bytes and returns the results.
func (_ggde *JBIG2Encoder )DecodeBytes (encoded []byte )([]byte ,error ){return _aee .DecodeBytes (encoded ,_bb .Parameters {},_ggde .Globals );};type objectCache map[int ]PdfObject ;

// EncodeBytes JPX encodes the passed in slice of bytes.
func (_gabe *JPXEncoder )EncodeBytes (data []byte )([]byte ,error ){_ag .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",_gabe .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 (_bdeb *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _bdeb .isEncrypted (obj ){return nil ;};switch _dcg :=obj .(type ){case *PdfIndirectObject :_bdeb ._cba [_dcg ]=true ;_ag .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",_dcg .ObjectNumber ,_dcg .GenerationNumber );
_bcc :=_dcg .ObjectNumber ;_fac :=_dcg .GenerationNumber ;_egc :=_bdeb .Encrypt (_dcg .PdfObject ,_bcc ,_fac );if _egc !=nil {return _egc ;};return nil ;case *PdfObjectStream :_bdeb ._cba [_dcg ]=true ;_fdbgg :=_dcg .PdfObjectDictionary ;if _bfe ,_egb :=_fdbgg .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_egb &&*_bfe =="\u0058\u0052\u0065\u0066"{return nil ;};_efe :=_dcg .ObjectNumber ;_bedc :=_dcg .GenerationNumber ;_ag .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_efe ,_bedc );
_fgad :=_gbgfg ;if _bdeb ._daa .V >=4{_fgad =_bdeb ._ceb ;_ag .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_bdeb ._ceb );if _ggfe ,_ffe :=_fdbgg .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_ffe {if _gea ,_eae :=GetName (_ggfe .Get (0));_eae {if *_gea =="\u0043\u0072\u0079p\u0074"{_fgad ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _aebc ,_ggd :=_fdbgg .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_ggd {if _cag ,_abac :=_aebc .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_abac {if _ ,_cgg :=_bdeb ._dafg [string (*_cag )];_cgg {_ag .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_cag );
_fgad =string (*_cag );};};};};};};_ag .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_fgad );if _fgad =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_bef :=_bdeb .Encrypt (_dcg .PdfObjectDictionary ,_efe ,_bedc );
if _bef !=nil {return _bef ;};_cac ,_bef :=_bdeb .makeKey (_fgad ,uint32 (_efe ),uint32 (_bedc ),_bdeb ._ecb );if _bef !=nil {return _bef ;};_dcg .Stream ,_bef =_bdeb .encryptBytes (_dcg .Stream ,_fgad ,_cac );if _bef !=nil {return _bef ;};_fdbgg .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_dcg .Stream ))));
return nil ;case *PdfObjectString :_ag .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_beedb :=_gbgfg ;if _bdeb ._daa .V >=4{_ag .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_bdeb ._afaa );
if _bdeb ._afaa =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_beedb =_bdeb ._afaa ;};_dfea ,_gdf :=_bdeb .makeKey (_beedb ,uint32 (parentObjNum ),uint32 (parentGenNum ),_bdeb ._ecb );if _gdf !=nil {return _gdf ;};_ebbf :=_dcg .Str ();
_aab :=make ([]byte ,len (_ebbf ));for _def :=0;_def < len (_ebbf );_def ++{_aab [_def ]=_ebbf [_def ];};_ag .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_aab ,_aab );
_aab ,_gdf =_bdeb .encryptBytes (_aab ,_beedb ,_dfea );if _gdf !=nil {return _gdf ;};_dcg ._ffac =string (_aab );return nil ;case *PdfObjectArray :for _ ,_efc :=range _dcg .Elements (){_fcc :=_bdeb .Encrypt (_efc ,parentObjNum ,parentGenNum );if _fcc !=nil {return _fcc ;
};};return nil ;case *PdfObjectDictionary :_dee :=false ;if _dgcg :=_dcg .Get ("\u0054\u0079\u0070\u0065");_dgcg !=nil {_gfa ,_dfg :=_dgcg .(*PdfObjectName );if _dfg &&*_gfa =="\u0053\u0069\u0067"{_dee =true ;};};for _ ,_bab :=range _dcg .Keys (){_fda :=_dcg .Get (_bab );
if _dee &&string (_bab )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_bab )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_bab )!="\u0050\u0072\u0065\u0076"&&string (_bab )!="\u004c\u0061\u0073\u0074"{_acge :=_bdeb .Encrypt (_fda ,parentObjNum ,parentGenNum );
if _acge !=nil {return _acge ;};};};return nil ;};return nil ;};

// LookupByNumber looks up a PdfObject by object number.  Returns an error on failure.
func (_cca *PdfParser )LookupByNumber (objNumber int )(PdfObject ,error ){_dab ,_ ,_eea :=_cca .lookupByNumberWrapper (objNumber ,true );return _dab ,_eea ;};func _dafgf (_edae *PdfObjectStream ,_acce *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_faef :=NewCCITTFaxEncoder ();
_eafg :=_edae .PdfObjectDictionary ;if _eafg ==nil {return _faef ,nil ;};if _acce ==nil {_eefg :=TraceToDirectObject (_eafg .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _eefg !=nil {switch _eebb :=_eefg .(type ){case *PdfObjectDictionary :_acce =_eebb ;
case *PdfObjectArray :if _eebb .Len ()==1{if _eaeg ,_fgeg :=GetDict (_eebb .Get (0));_fgeg {_acce =_eaeg ;};};default:_ag .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",_eefg );
return nil ,_a .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _acce ==nil {_ag .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",_eefg );
return nil ,_a .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _bgfce ,_cgcf :=GetNumberAsInt64 (_acce .Get ("\u004b"));_cgcf ==nil {_faef .K =int (_bgfce );};if _bced ,_agbf :=GetNumberAsInt64 (_acce .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_agbf ==nil {_faef .Columns =int (_bced );}else {_faef .Columns =1728;};if _agbfe ,_bcfc :=GetNumberAsInt64 (_acce .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_bcfc ==nil {_faef .BlackIs1 =_agbfe > 0;}else {if _baba ,_bebf :=GetBoolVal (_acce .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_bebf {_faef .BlackIs1 =_baba ;}else {if _facad ,_eggd :=GetArray (_acce .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_eggd {_gage ,_ggfc :=_facad .ToIntegerArray ();if _ggfc ==nil {_faef .BlackIs1 =_gage [0]==1&&_gage [1]==0;};};};};if _fcdc ,_agcb :=GetNumberAsInt64 (_acce .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_agcb ==nil {_faef .EncodedByteAlign =_fcdc > 0;}else {if _ceca ,_fcgc :=GetBoolVal (_acce .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_fcgc {_faef .EncodedByteAlign =_ceca ;};};if _dceg ,_eead :=GetNumberAsInt64 (_acce .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_eead ==nil {_faef .EndOfLine =_dceg > 0;}else {if _efbd ,_cfff :=GetBoolVal (_acce .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_cfff {_faef .EndOfLine =_efbd ;};};if _gba ,_fafa :=GetNumberAsInt64 (_acce .Get ("\u0052\u006f\u0077\u0073"));_fafa ==nil {_faef .Rows =int (_gba );
};_faef .EndOfBlock =true ;if _ged ,_gbgg :=GetNumberAsInt64 (_acce .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_gbgg ==nil {_faef .EndOfBlock =_ged > 0;}else {if _bddc ,_fcec :=GetBoolVal (_acce .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_fcec {_faef .EndOfBlock =_bddc ;};};if _dbf ,_gabcb :=GetNumberAsInt64 (_acce .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_gabcb !=nil {_faef .DamagedRowsBeforeError =int (_dbf );
};_ag .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_acce .String ());return _faef ,nil ;};

// HasInvalidHexRunes implements core.ParserMetadata interface.
func (_abf ParserMetadata )HasInvalidHexRunes ()bool {return _abf ._cbe };

// GetPreviousRevisionParser returns PdfParser for the previous version of the Pdf document.
func (_gaeb *PdfParser )GetPreviousRevisionParser ()(*PdfParser ,error ){if _gaeb ._ddae ==0{return nil ,_a .New ("\u0074\u0068\u0069\u0073 i\u0073\u0020\u0066\u0069\u0072\u0073\u0074\u0020\u0072\u0065\u0076\u0069\u0073\u0069o\u006e");};if _egaa ,_defg :=_gaeb ._fgadd [_gaeb ];
_defg {return _egaa ,nil ;};_agfaf ,_ffbca :=_gaeb .GetPreviousRevisionReadSeeker ();if _ffbca !=nil {return nil ,_ffbca ;};_cceda ,_ffbca :=NewParser (_agfaf );_cceda ._fgadd =_gaeb ._fgadd ;if _ffbca !=nil {return nil ,_ffbca ;};_gaeb ._fgadd [_gaeb ]=_cceda ;
return _cceda ,nil ;};

// WriteString outputs the object as it is to be written to file.
func (_gcdbb *PdfObjectString )WriteString ()string {var _daded _gg .Buffer ;if _gcdbb ._fccgd {_cdcc :=_dg .EncodeToString (_gcdbb .Bytes ());_daded .WriteString ("\u003c");_daded .WriteString (_cdcc );_daded .WriteString ("\u003e");return _daded .String ();
};_ccgd :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_daded .WriteString ("\u0028");for _feda :=0;_feda < len (_gcdbb ._ffac );
_feda ++{_gecf :=_gcdbb ._ffac [_feda ];if _cddc ,_gcabf :=_ccgd [_gecf ];_gcabf {_daded .WriteString (_cddc );}else {_daded .WriteByte (_gecf );};};_daded .WriteString ("\u0029");return _daded .String ();};

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

// 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 (_cgag *JBIG2Encoder )DecodeImages (encoded []byte )([]_fc .Image ,error ){const _bcca ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_ggff ,_ecbfd :=_bb .Decode (encoded ,_bb .Parameters {},_cgag .Globals .ToDocumentGlobals ());
if _ecbfd !=nil {return nil ,_gdg .Wrap (_ecbfd ,_bcca ,"");};_affc ,_ecbfd :=_ggff .PageNumber ();if _ecbfd !=nil {return nil ,_gdg .Wrap (_ecbfd ,_bcca ,"");};_eddde :=[]_fc .Image {};var _beeb _fc .Image ;for _cfac :=1;_cfac <=_affc ;_cfac ++{_beeb ,_ecbfd =_ggff .DecodePageImage (_cfac );
if _ecbfd !=nil {return nil ,_gdg .Wrapf (_ecbfd ,_bcca ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_cfac );};_eddde =append (_eddde ,_beeb );};return _eddde ,nil ;};

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

// HasDataAfterEOF checks if there is some data after EOF marker.
func (_dcdd ParserMetadata )HasDataAfterEOF ()bool {return _dcdd ._fgd };func (_gaad *PdfCrypt )makeKey (_dfdc string ,_ceg ,_cae uint32 ,_ebd []byte )([]byte ,error ){_gfe ,_dabe :=_gaad ._dafg [_dfdc ];if !_dabe {return nil ,_db .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_dfdc );
};return _gfe .MakeKey (_ceg ,_cae ,_ebd );};const _fdac =6;

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

// 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 (_dgea *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _ebaa ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _dgea .ColorComponents !=1||_dgea .BitsPerComponent !=1{return nil ,_gdg .Errorf (_ebaa ,"\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 (_bebd *_gc .Bitmap ;_gccf error ;);_fcf :=(_dgea .Width *_dgea .Height )==len (data );if _fcf {_bebd ,_gccf =_gc .NewWithUnpaddedData (_dgea .Width ,_dgea .Height ,data );}else {_bebd ,_gccf =_gc .NewWithData (_dgea .Width ,_dgea .Height ,data );
};if _gccf !=nil {return nil ,_gccf ;};_cabf :=_dgea .DefaultPageSettings ;if _gccf =_cabf .Validate ();_gccf !=nil {return nil ,_gdg .Wrap (_gccf ,_ebaa ,"");};if _dgea ._edaf ==nil {_dgea ._edaf =_fe .InitEncodeDocument (_cabf .FileMode );};switch _cabf .Compression {case JB2Generic :if _gccf =_dgea ._edaf .AddGenericPage (_bebd ,_cabf .DuplicatedLinesRemoval );
_gccf !=nil {return nil ,_gdg .Wrap (_gccf ,_ebaa ,"");};case JB2SymbolCorrelation :return nil ,_gdg .Error (_ebaa ,"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 ,_gdg .Error (_ebaa ,"\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 ,_gdg .Error (_ebaa ,"\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 _dgea .Encode ();};func _fggc (_cfbf *PdfObjectStream ,_fgb *PdfObjectDictionary )(*FlateEncoder ,error ){_bfec :=NewFlateEncoder ();
_abgg :=_cfbf .PdfObjectDictionary ;if _abgg ==nil {return _bfec ,nil ;};_bfec ._geag =_abgaf (_abgg );if _fgb ==nil {_eeaa :=TraceToDirectObject (_abgg .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));switch _ggdc :=_eeaa .(type ){case *PdfObjectArray :if _ggdc .Len ()!=1{_ag .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",_ggdc .Len ());
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _ebgb ,_cccbf :=GetDict (_ggdc .Get (0));_cccbf {_fgb =_ebgb ;};case *PdfObjectDictionary :_fgb =_ggdc ;case *PdfObjectNull ,nil :default:_ag .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",_eeaa );
return nil ,_db .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _fgb ==nil {return _bfec ,nil ;};_ag .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_fgb .String ());
_ccb :=_fgb .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _ccb ==nil {_ag .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 {_abga ,_fee :=_ccb .(*PdfObjectInteger );if !_fee {_ag .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",_ccb );
return nil ,_db .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_bfec .Predictor =int (*_abga );};_ccb =_fgb .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _ccb !=nil {_gdfgc ,_eefd :=_ccb .(*PdfObjectInteger );if !_eefd {_ag .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 ,_db .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_bfec .BitsPerComponent =int (*_gdfgc );};if _bfec .Predictor > 1{_bfec .Columns =1;_ccb =_fgb .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _ccb !=nil {_baa ,_gfc :=_ccb .(*PdfObjectInteger );if !_gfc {return nil ,_db .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_bfec .Columns =int (*_baa );
};_bfec .Colors =1;_ccb =_fgb .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _ccb !=nil {_cga ,_gacc :=_ccb .(*PdfObjectInteger );if !_gacc {return nil ,_db .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");
};_bfec .Colors =int (*_cga );};};return _bfec ,nil ;};

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

// UpdateParams updates the parameter values of the encoder.
func (_efeff *MultiEncoder )UpdateParams (params *PdfObjectDictionary ){for _ ,_dfag :=range _efeff ._agga {_dfag .UpdateParams (params );};};func (_aebd *PdfParser )readTextLine ()(string ,error ){var _fabb _gg .Buffer ;for {_bdaa ,_gfcc :=_aebd ._ceec .Peek (1);
if _gfcc !=nil {_ag .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_gfcc .Error ());return _fabb .String (),_gfcc ;};if (_bdaa [0]!='\r')&&(_bdaa [0]!='\n'){_cgca ,_ :=_aebd ._ceec .ReadByte ();_fabb .WriteByte (_cgca );}else {break ;};
};return _fabb .String (),nil ;};

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_dcegd *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_dcegd ._fgee .Lock ();defer _dcegd ._fgee .Unlock ();_cafea ,_cdeb :=_dcegd ._bage [key ];if !_cdeb {return nil ;};return _cafea ;};func (_fcgfa *PdfParser )skipComments ()error {if _ ,_agad :=_fcgfa .skipSpaces ();
_agad !=nil {return _agad ;};_eadde :=true ;for {_baadf ,_caca :=_fcgfa ._ceec .Peek (1);if _caca !=nil {_ag .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_caca .Error ());return _caca ;};if _eadde &&_baadf [0]!='%'{return nil ;};_eadde =false ;
if (_baadf [0]!='\r')&&(_baadf [0]!='\n'){_fcgfa ._ceec .ReadByte ();}else {break ;};};return _fcgfa .skipComments ();};func _eagd (_ddd *PdfObjectStream ,_egac *MultiEncoder )(*DCTEncoder ,error ){_cbfb :=NewDCTEncoder ();_gcbb :=_ddd .PdfObjectDictionary ;
if _gcbb ==nil {return _cbfb ,nil ;};_efgb :=_ddd .Stream ;if _egac !=nil {_gbeg ,_gcc :=_egac .DecodeBytes (_efgb );if _gcc !=nil {return nil ,_gcc ;};_efgb =_gbeg ;};_bebe :=_gg .NewReader (_efgb );_egag ,_abe :=_aa .DecodeConfig (_bebe );if _abe !=nil {_ag .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_abe );
return nil ,_abe ;};switch _egag .ColorModel {case _bf .RGBAModel :_cbfb .BitsPerComponent =8;_cbfb .ColorComponents =3;case _bf .RGBA64Model :_cbfb .BitsPerComponent =16;_cbfb .ColorComponents =3;case _bf .GrayModel :_cbfb .BitsPerComponent =8;_cbfb .ColorComponents =1;
case _bf .Gray16Model :_cbfb .BitsPerComponent =16;_cbfb .ColorComponents =1;case _bf .CMYKModel :_cbfb .BitsPerComponent =8;_cbfb .ColorComponents =4;case _bf .YCbCrModel :_cbfb .BitsPerComponent =8;_cbfb .ColorComponents =3;default:return nil ,_a .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_cbfb .Width =_egag .Width ;_cbfb .Height =_egag .Height ;_ag .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_cbfb );_cbfb .Quality =DefaultJPEGQuality ;return _cbfb ,nil ;};

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

// ParseDict reads and parses a PDF dictionary object enclosed with '<<' and '>>'
func (_dafe *PdfParser )ParseDict ()(*PdfObjectDictionary ,error ){_ag .Log .Trace ("\u0052\u0065\u0061\u0064\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020D\u0069\u0063\u0074\u0021");_ebbfa :=MakeDict ();_ebbfa ._ecbb =_dafe ;_eece ,_ :=_dafe ._ceec .ReadByte ();
if _eece !='<'{return nil ,_a .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");};_eece ,_ =_dafe ._ceec .ReadByte ();if _eece !='<'{return nil ,_a .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");
};for {_dafe .skipSpaces ();_dafe .skipComments ();_ccdda ,_dcae :=_dafe ._ceec .Peek (2);if _dcae !=nil {return nil ,_dcae ;};_ag .Log .Trace ("D\u0069c\u0074\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_ccdda ),string (_ccdda ));
if (_ccdda [0]=='>')&&(_ccdda [1]=='>'){_ag .Log .Trace ("\u0045\u004f\u0046\u0020\u0064\u0069\u0063\u0074\u0069o\u006e\u0061\u0072\u0079");_dafe ._ceec .ReadByte ();_dafe ._ceec .ReadByte ();break ;};_ag .Log .Trace ("\u0050a\u0072s\u0065\u0020\u0074\u0068\u0065\u0020\u006e\u0061\u006d\u0065\u0021");
_gdgdf ,_dcae :=_dafe .parseName ();_ag .Log .Trace ("\u004be\u0079\u003a\u0020\u0025\u0073",_gdgdf );if _dcae !=nil {_ag .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",_dcae );
return nil ,_dcae ;};if len (_gdgdf )> 4&&_gdgdf [len (_gdgdf )-4:]=="\u006e\u0075\u006c\u006c"{_begdg :=_gdgdf [0:len (_gdgdf )-4];_ag .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",_gdgdf );
_ag .Log .Debug ("\u004e\u0065\u0077\u0020ke\u0079\u0020\u0022\u0025\u0073\u0022\u0020\u003d\u0020\u006e\u0075\u006c\u006c",_begdg );_dafe .skipSpaces ();_cabce ,_ :=_dafe ._ceec .Peek (1);if _cabce [0]=='/'{_ebbfa .Set (_begdg ,MakeNull ());continue ;
};};_dafe .skipSpaces ();_eaag ,_dcae :=_dafe .parseObject ();if _dcae !=nil {return nil ,_dcae ;};_ebbfa .Set (_gdgdf ,_eaag );if _ag .Log .IsLogLevel (_ag .LogLevelTrace ){_ag .Log .Trace ("\u0064\u0069\u0063\u0074\u005b\u0025\u0073\u005d\u0020\u003d\u0020\u0025\u0073",_gdgdf ,_eaag .String ());
};};_ag .Log .Trace ("\u0072\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020\u0044\u0069\u0063\u0074\u0021");return _ebbfa ,nil ;};func _eeb (_acf int )cryptFilters {return cryptFilters {_gbgfg :_fdb .NewFilterV2 (_acf )}};

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_cgbea []float64 ,_dffa error ){for _ ,_cddac :=range objects {_ebacc ,_fabe :=GetNumberAsFloat (_cddac );if _fabe !=nil {return nil ,_fabe ;};_cgbea =append (_cgbea ,_ebacc );};return _cgbea ,nil ;};

// String returns a string describing `streams`.
func (_deggd *PdfObjectStreams )String ()string {return _db .Sprintf ("\u004f\u0062j\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0025\u0064",_deggd .ObjectNumber );};type offsetReader struct{_eggcb _e .ReadSeeker ;_aagfb int64 ;};

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

// HasInvalidSeparationAfterXRef implements core.ParserMetadata interface.
func (_fgfe ParserMetadata )HasInvalidSeparationAfterXRef ()bool {return _fgfe ._dda };

// SetImage sets the image base for given flate encoder.
func (_gfec *FlateEncoder )SetImage (img *_cc .ImageBase ){_gfec ._geag =img };

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

// 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 (_dcee *LZWEncoder )EncodeBytes (data []byte )([]byte ,error ){if _dcee .Predictor !=1{return nil ,_db .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 _dcee .EarlyChange ==1{return nil ,_db .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 _cfgg _gg .Buffer ;_acff :=_gec .NewWriter (&_cfgg ,_gec .MSB ,8);_acff .Write (data );_acff .Close ();return _cfgg .Bytes (),nil ;};

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

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_adba *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _adba .Predictor !=1&&_adba .Predictor !=11{_ag .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 _adba .Predictor ==11{_gdgga :=_adba .Columns ;_deda :=len (data )/_gdgga ;if len (data )%_gdgga !=0{_ag .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_a .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_egab :=_gg .NewBuffer (nil );_baf :=make ([]byte ,_gdgga );for _bbfb :=0;_bbfb < _deda ;_bbfb ++{_aadg :=data [_gdgga *_bbfb :_gdgga *(_bbfb +1)];
_baf [0]=_aadg [0];for _aecf :=1;_aecf < _gdgga ;_aecf ++{_baf [_aecf ]=byte (int (_aadg [_aecf ]-_aadg [_aecf -1])%256);};_egab .WriteByte (1);_egab .Write (_baf );};data =_egab .Bytes ();};var _aadc _gg .Buffer ;_gbcc :=_ce .NewWriter (&_aadc );_gbcc .Write (data );
_gbcc .Close ();return _aadc .Bytes (),nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_bgaa *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_ecbf :=MakeDict ();_ecbf .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_bgaa .GetFilterArray ());for _ ,_fbec :=range _bgaa ._agga {_bbfg :=_fbec .MakeStreamDict ();for _ ,_agfa :=range _bbfg .Keys (){_bgcgb :=_bbfg .Get (_agfa );
if _agfa !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_agfa !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_ecbf .Set (_agfa ,_bgcgb );};};};_caff :=_bgaa .MakeDecodeParams ();if _caff !=nil {_ecbf .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_caff );
};return _ecbf ;};const (_eaf =0;_afc =1;_ecbc =2;_eefdb =3;_gbdc =4;);

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

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

// MakeInteger creates a PdfObjectInteger from an int64.
func MakeInteger (val int64 )*PdfObjectInteger {_cbgd :=PdfObjectInteger (val );return &_cbgd };func (_ccddg *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _ccddg ._fbg {return nil ,_db .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");
};_ccddg ._fbg =true ;_ccddg ._ggbg .Seek (0,_e .SeekStart );_ccddg ._ceec =_fcg .NewReader (_ccddg ._ggbg );_cdgf :=20;_caedb :=make ([]byte ,_cdgf );_fccc :=XrefTable {};_fccc .ObjectMap =make (map[int ]XrefObject );for {_fccgg ,_fcga :=_ccddg ._ceec .ReadByte ();
if _fcga !=nil {if _fcga ==_e .EOF {break ;}else {return nil ,_fcga ;};};if _fccgg =='j'&&_caedb [_cdgf -1]=='b'&&_caedb [_cdgf -2]=='o'&&IsWhiteSpace (_caedb [_cdgf -3]){_bbcac :=_cdgf -4;for IsWhiteSpace (_caedb [_bbcac ])&&_bbcac > 0{_bbcac --;};if _bbcac ==0||!IsDecimalDigit (_caedb [_bbcac ]){continue ;
};for IsDecimalDigit (_caedb [_bbcac ])&&_bbcac > 0{_bbcac --;};if _bbcac ==0||!IsWhiteSpace (_caedb [_bbcac ]){continue ;};for IsWhiteSpace (_caedb [_bbcac ])&&_bbcac > 0{_bbcac --;};if _bbcac ==0||!IsDecimalDigit (_caedb [_bbcac ]){continue ;};for IsDecimalDigit (_caedb [_bbcac ])&&_bbcac > 0{_bbcac --;
};if _bbcac ==0{continue ;};_dcdgg :=_ccddg .GetFileOffset ()-int64 (_cdgf -_bbcac );_gege :=append (_caedb [_bbcac +1:],_fccgg );_ebad ,_babg ,_gcge :=_gcca (string (_gege ));if _gcge !=nil {_ag .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",_gcge );
return nil ,_gcge ;};if _bada ,_cebb :=_fccc .ObjectMap [_ebad ];!_cebb ||_bada .Generation < _babg {_baedg :=XrefObject {};_baedg .XType =XrefTypeTableEntry ;_baedg .ObjectNumber =_ebad ;_baedg .Generation =_babg ;_baedg .Offset =_dcdgg ;_fccc .ObjectMap [_ebad ]=_baedg ;
};};_caedb =append (_caedb [1:_cdgf ],_fccgg );};_ccddg ._gcdgb =nil ;return &_fccc ,nil ;};

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

// GetAsFloat64Slice returns the array as []float64 slice.
// Returns an error if not entirely numeric (only PdfObjectIntegers, PdfObjectFloats).
func (_ecdcb *PdfObjectArray )GetAsFloat64Slice ()([]float64 ,error ){var _fede []float64 ;for _ ,_ddcff :=range _ecdcb .Elements (){_eedg ,_afaed :=GetNumberAsFloat (TraceToDirectObject (_ddcff ));if _afaed !=nil {return nil ,_db .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");
};_fede =append (_fede ,_eedg );};return _fede ,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 *_fcg .Reader )(PdfObject ,error ){_cacab :=false ;_cfgf :=true ;var _cbed _gg .Buffer ;for {if _ag .Log .IsLogLevel (_ag .LogLevelTrace ){_ag .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_cbed .String ());
};_ccca ,_ebada :=buf .Peek (1);if _ebada ==_e .EOF {break ;};if _ebada !=nil {_ag .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_ebada );return nil ,_ebada ;};if _cfgf &&(_ccca [0]=='-'||_ccca [0]=='+'){_gefc ,_ :=buf .ReadByte ();_cbed .WriteByte (_gefc );
_cfgf =false ;}else if IsDecimalDigit (_ccca [0]){_aegcae ,_ :=buf .ReadByte ();_cbed .WriteByte (_aegcae );}else if _ccca [0]=='.'{_gbdgd ,_ :=buf .ReadByte ();_cbed .WriteByte (_gbdgd );_cacab =true ;}else if _ccca [0]=='e'||_ccca [0]=='E'{_fdbba ,_ :=buf .ReadByte ();
_cbed .WriteByte (_fdbba );_cacab =true ;_cfgf =true ;}else {break ;};};var _abbb PdfObject ;if _cacab {_efgf ,_cbdc :=_g .ParseFloat (_cbed .String (),64);if _cbdc !=nil {_ag .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",_cbed .String (),_cbdc );
_efgf =0.0;};_cdfac :=PdfObjectFloat (_efgf );_abbb =&_cdfac ;}else {_bgae ,_gacg :=_g .ParseInt (_cbed .String (),10,64);if _gacg !=nil {_ag .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",_cbed .String (),_gacg );
_bgae =0;};_eeceb :=PdfObjectInteger (_bgae );_abbb =&_eeceb ;};return _abbb ,nil ;};

// HasNonConformantStream implements core.ParserMetadata.
func (_ddcg ParserMetadata )HasNonConformantStream ()bool {return _ddcg ._egfdf };

// 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 _gggd :=obj .(type ){case *PdfObjectFloat :return float64 (*_gggd ),nil ;case *PdfObjectInteger :return float64 (*_gggd ),nil ;case *PdfObjectReference :_aeca :=TraceToDirectObject (obj );return GetNumberAsFloat (_aeca );
case *PdfIndirectObject :return GetNumberAsFloat (_gggd .PdfObject );};return 0,ErrNotANumber ;};

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

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

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

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

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

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

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

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

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

// 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 (_afad *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_gbcg :=n ;_ffdc :=0;_gfeg :=0;for _gbcg > 0{_cecf ,_fbef :=_afad ._ceec .Read (p [_ffdc :]);if _fbef !=nil {_ag .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",_cecf ,_gfeg ,_fbef .Error ());
return _ffdc ,_a .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_gfeg ++;_ffdc +=_cecf ;_gbcg -=_cecf ;};return _ffdc ,nil ;};

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

// Remove removes an element specified by key.
func (_eaed *PdfObjectDictionary )Remove (key PdfObjectName ){_bbda :=-1;for _ecfd ,_eedcb :=range _eaed ._dgbfb {if _eedcb ==key {_bbda =_ecfd ;break ;};};if _bbda >=0{_eaed ._dgbfb =append (_eaed ._dgbfb [:_bbda ],_eaed ._dgbfb [_bbda +1:]...);delete (_eaed ._bage ,key );
};};

// 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 (_bcce *PdfParser )IsEncrypted ()(bool ,error ){if _bcce ._efed !=nil {return true ,nil ;}else if _bcce ._bacee ==nil {return false ,nil ;};_ag .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");
_bdad :=_bcce ._bacee .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _bdad ==nil {return false ,nil ;};_ag .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_eebbf *PdfObjectDictionary ;);switch _gfgf :=_bdad .(type ){case *PdfObjectDictionary :_eebbf =_gfgf ;
case *PdfObjectReference :_ag .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_gfgf );_cagf ,_ccgc :=_bcce .LookupByReference (*_gfgf );_ag .Log .Trace ("\u0031\u003a\u0020%\u0071",_cagf );
if _ccgc !=nil {return false ,_ccgc ;};_ffg ,_ecegc :=_cagf .(*PdfIndirectObject );if !_ecegc {_ag .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 ,_a .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_gdaa ,_ecegc :=_ffg .PdfObject .(*PdfObjectDictionary );_bcce ._faac =_ffg ;_ag .Log .Trace ("\u0032\u003a\u0020%\u0071",_gdaa );if !_ecegc {return false ,_a .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");
};_eebbf =_gdaa ;case *PdfObjectNull :_ag .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 ,_db .Errorf ("u\u006es\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0074\u0079\u0070\u0065: \u0025\u0054",_gfgf );};_fefc ,_eedd :=PdfCryptNewDecrypt (_bcce ,_eebbf ,_bcce ._bacee );if _eedd !=nil {return false ,_eedd ;
};for _ ,_dceeb :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_dbfg :=_bcce ._bacee .Get (PdfObjectName (_dceeb ));if _dbfg ==nil {continue ;};switch _eacgg :=_dbfg .(type ){case *PdfObjectReference :_fefc ._fbd [int (_eacgg .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_fefc ._dgd [_eacgg ]=true ;_fefc ._fbd [int (_eacgg .ObjectNumber )]=struct{}{};};};_bcce ._efed =_fefc ;_ag .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_fefc );
return true ,nil ;};func (_cafc *PdfParser )parsePdfVersion ()(int ,int ,error ){var _cfdf int64 =20;_ddbfe :=make ([]byte ,_cfdf );_cafc ._ggbg .Seek (0,_e .SeekStart );_cafc ._ggbg .Read (_ddbfe );var _adbbd error ;var _cged ,_caaa int ;if _feea :=_geba .FindStringSubmatch (string (_ddbfe ));
len (_feea )< 3{if _cged ,_caaa ,_adbbd =_cafc .seekPdfVersionTopDown ();_adbbd !=nil {_ag .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,_adbbd ;};_cafc ._ggbg ,_adbbd =_abcec (_cafc ._ggbg ,_cafc .GetFileOffset ()-8);if _adbbd !=nil {return 0,0,_adbbd ;};}else {if _cged ,_adbbd =_g .Atoi (_feea [1]);_adbbd !=nil {return 0,0,_adbbd ;};if _caaa ,_adbbd =_g .Atoi (_feea [2]);_adbbd !=nil {return 0,0,_adbbd ;
};_cafc .SetFileOffset (0);};_cafc ._ceec =_fcg .NewReader (_cafc ._ggbg );_ag .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_cged ,_caaa );return _cged ,_caaa ,nil ;};

// MakeName creates a PdfObjectName from a string.
func MakeName (s string )*PdfObjectName {_feee :=PdfObjectName (s );return &_feee };func (_fcag *PdfCrypt )isDecrypted (_gcde PdfObject )bool {_ ,_dce :=_fcag ._dgd [_gcde ];if _dce {_ag .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};switch _fdbg :=_gcde .(type ){case *PdfObjectStream :if _fcag ._ef .R !=5{if _add ,_dgb :=_fdbg .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_dgb &&*_add =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_dce =_fcag ._fbd [int (_fdbg .ObjectNumber )];
_dce {return true ;};switch _cfc :=_fdbg .PdfObject .(type ){case *PdfObjectDictionary :_ega :=true ;for _ ,_bdd :=range _dgg {if _cfc .Get (_bdd )==nil {_ega =false ;break ;};};if _ega {return true ;};};};_ag .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};

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

// SetIfNotNil sets the dictionary's key -> val mapping entry -IF- val is not nil.
// Note that we take care to perform a type switch.  Otherwise if we would supply a nil value
// of another type, e.g. (PdfObjectArray*)(nil), then it would not be a PdfObject(nil) and thus
// would get set.
func (_gcgg *PdfObjectDictionary )SetIfNotNil (key PdfObjectName ,val PdfObject ){if val !=nil {switch _eaef :=val .(type ){case *PdfObjectName :if _eaef !=nil {_gcgg .Set (key ,val );};case *PdfObjectDictionary :if _eaef !=nil {_gcgg .Set (key ,val );
};case *PdfObjectStream :if _eaef !=nil {_gcgg .Set (key ,val );};case *PdfObjectString :if _eaef !=nil {_gcgg .Set (key ,val );};case *PdfObjectNull :if _eaef !=nil {_gcgg .Set (key ,val );};case *PdfObjectInteger :if _eaef !=nil {_gcgg .Set (key ,val );
};case *PdfObjectArray :if _eaef !=nil {_gcgg .Set (key ,val );};case *PdfObjectBool :if _eaef !=nil {_gcgg .Set (key ,val );};case *PdfObjectFloat :if _eaef !=nil {_gcgg .Set (key ,val );};case *PdfObjectReference :if _eaef !=nil {_gcgg .Set (key ,val );
};case *PdfIndirectObject :if _eaef !=nil {_gcgg .Set (key ,val );};default:_ag .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 );
};};};func _bcga (_abbf XrefTable ){_ag .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");_ag .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_aag :=0;for _ ,_eeg :=range _abbf .ObjectMap {_ag .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",_aag +1,_eeg .ObjectNumber ,_eeg .Generation ,_eeg .Offset );
_aag ++;};};

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

// GetEncryptObj returns the PdfIndirectObject which has information about the PDFs encryption details.
func (_ccebc *PdfParser )GetEncryptObj ()*PdfIndirectObject {return _ccebc ._faac };func _aeg (_ace _fdb .Filter ,_gcf _eb .AuthEvent )*PdfObjectDictionary {if _gcf ==""{_gcf =_eb .EventDocOpen ;};_adg :=MakeDict ();_adg .Set ("\u0054\u0079\u0070\u0065",MakeName ("C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"));
_adg .Set ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et",MakeName (string (_gcf )));_adg .Set ("\u0043\u0046\u004d",MakeName (_ace .Name ()));_adg .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_ace .KeyLength ())));return _adg ;};func (_effbc *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_effbc ._ceec )};


// 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};

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

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

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

// UpdateParams updates the parameter values of the encoder.
func (_dcf *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _cadb ,_gfbf :=GetNumberAsInt64 (params .Get ("\u004b"));_gfbf ==nil {_dcf .K =int (_cadb );};if _abgga ,_agcg :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_agcg ==nil {_dcf .Columns =int (_abgga );}else if _abgga ,_agcg =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_agcg ==nil {_dcf .Columns =int (_abgga );};if _afba ,_deff :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_deff ==nil {_dcf .BlackIs1 =_afba > 0;}else {if _eccc ,_fdab :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_fdab {_dcf .BlackIs1 =_eccc ;}else {if _ddfe ,_fbfb :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_fbfb {_dfed ,_fdde :=_ddfe .ToIntegerArray ();if _fdde ==nil {_dcf .BlackIs1 =_dfed [0]==1&&_dfed [1]==0;};};};};if _aecc ,_bebbf :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_bebbf ==nil {_dcf .EncodedByteAlign =_aecc > 0;}else {if _eccff ,_adcgc :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_adcgc {_dcf .EncodedByteAlign =_eccff ;};};if _dedd ,_cdf :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_cdf ==nil {_dcf .EndOfLine =_dedd > 0;}else {if _gddgc ,_gfgc :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_gfgc {_dcf .EndOfLine =_gddgc ;};};if _aebf ,_gadc :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));
_gadc ==nil {_dcf .Rows =int (_aebf );}else if _aebf ,_gadc =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_gadc ==nil {_dcf .Rows =int (_aebf );};if _caedd ,_fdbcc :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_fdbcc ==nil {_dcf .EndOfBlock =_caedd > 0;}else {if _ddbf ,_gaeeg :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_gaeeg {_dcf .EndOfBlock =_ddbf ;};};if _ddcgf ,_eafdf :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_eafdf !=nil {_dcf .DamagedRowsBeforeError =int (_ddcgf );};};

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

// 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 )(_efcba *PdfObjectInteger ,_eeef bool ){_efcba ,_eeef =TraceToDirectObject (obj ).(*PdfObjectInteger );return _efcba ,_eeef ;};

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

// 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 ;_edaf *_fe .Document ;

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

// ReadBytesAt reads byte content at specific offset and length within the PDF.
func (_eagc *PdfParser )ReadBytesAt (offset ,len int64 )([]byte ,error ){_abgda :=_eagc .GetFileOffset ();_ ,_acbf :=_eagc ._ggbg .Seek (offset ,_e .SeekStart );if _acbf !=nil {return nil ,_acbf ;};_cgb :=make ([]byte ,len );_ ,_acbf =_e .ReadAtLeast (_eagc ._ggbg ,_cgb ,int (len ));
if _acbf !=nil {return nil ,_acbf ;};_eagc .SetFileOffset (_abgda );return _cgb ,nil ;};

// Inspect analyzes the document object structure. Returns a map of object types (by name) with the instance count
// as value.
func (_cacd *PdfParser )Inspect ()(map[string ]int ,error ){return _cacd .inspect ()};var (ErrUnsupportedEncodingParameters =_a .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 =_a .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 =_a .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 =_a .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 =_a .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_a .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_fd .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 =_a .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);

// GetCrypter returns the PdfCrypt instance which has information about the PDFs encryption.
func (_fdge *PdfParser )GetCrypter ()*PdfCrypt {return _fdge ._efed };func (_feca *PdfParser )parseArray ()(*PdfObjectArray ,error ){_dfaa :=MakeArray ();_feca ._ceec .ReadByte ();for {_feca .skipSpaces ();_fceed ,_dcfgb :=_feca ._ceec .Peek (1);if _dcfgb !=nil {return _dfaa ,_dcfgb ;
};if _fceed [0]==']'{_feca ._ceec .ReadByte ();break ;};_cced ,_dcfgb :=_feca .parseObject ();if _dcfgb !=nil {return _dfaa ,_dcfgb ;};_dfaa .Append (_cced );};return _dfaa ,nil ;};

// IsOctalDigit checks if a character can be part of an octal digit string.
func IsOctalDigit (c byte )bool {return '0'<=c &&c <='7'};func (_efcc *PdfParser )rebuildXrefTable ()error {_adbag :=XrefTable {};_adbag .ObjectMap =map[int ]XrefObject {};_gbge :=make ([]int ,0,len (_efcc ._eegca .ObjectMap ));for _dcaa :=range _efcc ._eegca .ObjectMap {_gbge =append (_gbge ,_dcaa );
};_f .Ints (_gbge );for _ ,_fdfc :=range _gbge {_cdbfc :=_efcc ._eegca .ObjectMap [_fdfc ];_facb ,_ ,_dedg :=_efcc .lookupByNumberWrapper (_fdfc ,false );if _dedg !=nil {_ag .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",_dedg );
_ag .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");
_beebdd ,_babf :=_efcc .repairRebuildXrefsTopDown ();if _babf !=nil {_ag .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",_babf );
return _babf ;};_efcc ._eegca =*_beebdd ;_ag .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_efada ,_adde ,_dedg :=_aecg (_facb );if _dedg !=nil {return _dedg ;
};_cdbfc .ObjectNumber =int (_efada );_cdbfc .Generation =int (_adde );_adbag .ObjectMap [int (_efada )]=_cdbfc ;};_efcc ._eegca =_adbag ;_ag .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");
_bcga (_efcc ._eegca );return nil ;};

// PdfObjectStreams represents the primitive PDF object streams.
// 7.5.7 Object Streams (page 45).
type PdfObjectStreams struct{PdfObjectReference ;_edab []PdfObject ;};var _fceb =_ge .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");

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

// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_daa encryptDict ;_ef _eb .StdEncryptDict ;_ebg string ;_ecb []byte ;_dgd map[PdfObject ]bool ;_cba map[PdfObject ]bool ;_ddc bool ;_dafg cryptFilters ;_ceb string ;_afaa string ;_ggfa *PdfParser ;_fbd map[int ]struct{};};

// MakeArrayFromFloats creates an PdfObjectArray from a slice of float64s, where each array element is an
// PdfObjectFloat.
func MakeArrayFromFloats (vals []float64 )*PdfObjectArray {_bccc :=MakeArray ();for _ ,_eaac :=range vals {_bccc .Append (MakeFloat (_eaac ));};return _bccc ;};func (_gdgg *PdfParser )parseDetailedHeader ()(_eecc error ){_gdgg ._ggbg .Seek (0,_e .SeekStart );
_gdgg ._ceec =_fcg .NewReader (_gdgg ._ggbg );_fege :=20;_defc :=make ([]byte ,_fege );var (_cedc bool ;_fgcg int ;);for {_aegc ,_gdfg :=_gdgg ._ceec .ReadByte ();if _gdfg !=nil {if _gdfg ==_e .EOF {break ;}else {return _gdfg ;};};if IsDecimalDigit (_aegc )&&_defc [_fege -1]=='.'&&IsDecimalDigit (_defc [_fege -2])&&_defc [_fege -3]=='-'&&_defc [_fege -4]=='F'&&_defc [_fege -5]=='D'&&_defc [_fege -6]=='P'&&_defc [_fege -7]=='%'{_gdgg ._affca =Version {Major :int (_defc [_fege -2]-'0'),Minor :int (_aegc -'0')};
_gdgg ._fcee ._daac =_fgcg -7;_cedc =true ;break ;};_fgcg ++;_defc =append (_defc [1:_fege ],_aegc );};if !_cedc {return _db .Errorf ("n\u006f \u0066\u0069\u006c\u0065\u0020\u0068\u0065\u0061d\u0065\u0072\u0020\u0066ou\u006e\u0064");};_eff ,_eecc :=_gdgg ._ceec .ReadByte ();
if _eecc ==_e .EOF {return _db .Errorf ("\u006eo\u0074\u0020\u0061\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0050d\u0066\u0020\u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074");};if _eecc !=nil {return _eecc ;};_gdgg ._fcee ._acd =_eff =='\n';_eff ,_eecc =_gdgg ._ceec .ReadByte ();
if _eecc !=nil {return _db .Errorf ("\u006e\u006f\u0074\u0020a\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0070\u0064\u0066 \u0064o\u0063\u0075\u006d\u0065\u006e\u0074\u003a \u0025\u0077",_eecc );};if _eff !='%'{return nil ;};_gag :=make ([]byte ,4);_ ,_eecc =_gdgg ._ceec .Read (_gag );
if _eecc !=nil {return _db .Errorf ("\u006e\u006f\u0074\u0020a\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0070\u0064\u0066 \u0064o\u0063\u0075\u006d\u0065\u006e\u0074\u003a \u0025\u0077",_eecc );};_gdgg ._fcee ._age =[4]byte {_gag [0],_gag [1],_gag [2],_gag [3]};
return nil ;};func (_caa *PdfParser )checkPostEOFData ()error {const _adc ="\u0025\u0025\u0045O\u0046";_ ,_fdgd :=_caa ._ggbg .Seek (-int64 (len ([]byte (_adc )))-1,_e .SeekEnd );if _fdgd !=nil {return _fdgd ;};_eabd :=make ([]byte ,len ([]byte (_adc ))+1);
_ ,_fdgd =_caa ._ggbg .Read (_eabd );if _fdgd !=nil {if _fdgd !=_e .EOF {return _fdgd ;};};if string (_eabd )==_adc ||string (_eabd )==_adc +"\u000a"{_caa ._fcee ._fgd =true ;};return nil ;};func _gcca (_ebfa string )(int ,int ,error ){_cfca :=_beedff .FindStringSubmatch (_ebfa );
if len (_cfca )< 3{return 0,0,_a .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");
};_cgfa ,_ :=_g .Atoi (_cfca [1]);_ecccf ,_ :=_g .Atoi (_cfca [2]);return _cgfa ,_ecccf ,nil ;};

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

// AddEncoder adds the passed in encoder to the underlying encoder slice.
func (_cfgd *MultiEncoder )AddEncoder (encoder StreamEncoder ){_cfgd ._agga =append (_cfgd ._agga ,encoder );};func (_fdfa *PdfParser )parseString ()(*PdfObjectString ,error ){_fdfa ._ceec .ReadByte ();var _daab _gg .Buffer ;_aceg :=1;for {_aeeba ,_dacda :=_fdfa ._ceec .Peek (1);
if _dacda !=nil {return MakeString (_daab .String ()),_dacda ;};if _aeeba [0]=='\\'{_fdfa ._ceec .ReadByte ();_bdcc ,_dddd :=_fdfa ._ceec .ReadByte ();if _dddd !=nil {return MakeString (_daab .String ()),_dddd ;};if IsOctalDigit (_bdcc ){_gbca ,_dfede :=_fdfa ._ceec .Peek (2);
if _dfede !=nil {return MakeString (_daab .String ()),_dfede ;};var _eccg []byte ;_eccg =append (_eccg ,_bdcc );for _ ,_dgaf :=range _gbca {if IsOctalDigit (_dgaf ){_eccg =append (_eccg ,_dgaf );}else {break ;};};_fdfa ._ceec .Discard (len (_eccg )-1);
_ag .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_eccg );_deee ,_dfede :=_g .ParseUint (string (_eccg ),8,32);if _dfede !=nil {return MakeString (_daab .String ()),_dfede ;};_daab .WriteByte (byte (_deee ));
continue ;};switch _bdcc {case 'n':_daab .WriteRune ('\n');case 'r':_daab .WriteRune ('\r');case 't':_daab .WriteRune ('\t');case 'b':_daab .WriteRune ('\b');case 'f':_daab .WriteRune ('\f');case '(':_daab .WriteRune ('(');case ')':_daab .WriteRune (')');
case '\\':_daab .WriteRune ('\\');};continue ;}else if _aeeba [0]=='('{_aceg ++;}else if _aeeba [0]==')'{_aceg --;if _aceg ==0{_fdfa ._ceec .ReadByte ();break ;};};_cbfd ,_ :=_fdfa ._ceec .ReadByte ();_daab .WriteByte (_cbfd );};return MakeString (_daab .String ()),nil ;
};func (_bge *PdfCrypt )loadCryptFilters (_gca *PdfObjectDictionary )error {_bge ._dafg =cryptFilters {};_ead :=_gca .Get ("\u0043\u0046");_ead =TraceToDirectObject (_ead );if _bce ,_ebgd :=_ead .(*PdfObjectReference );_ebgd {_cdd ,_bcb :=_bge ._ggfa .LookupByReference (*_bce );
if _bcb !=nil {_ag .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 _bcb ;};_ead =TraceToDirectObject (_cdd );};_bcd ,_fada :=_ead .(*PdfObjectDictionary );
if !_fada {_ag .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_ead );return _a .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");};for _ ,_ffbe :=range _bcd .Keys (){_dbb :=_bcd .Get (_ffbe );
if _bgef ,_degf :=_dbb .(*PdfObjectReference );_degf {_cee ,_fdc :=_bge ._ggfa .LookupByReference (*_bgef );if _fdc !=nil {_ag .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 _fdc ;};_dbb =TraceToDirectObject (_cee );};_cgc ,_adf :=_dbb .(*PdfObjectDictionary );if !_adf {return _db .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",_ffbe ,_dbb );
};if _ffbe =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_ag .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 _fca _fdb .FilterDict ;if _abc :=_gcd (&_fca ,_cgc );_abc !=nil {return _abc ;};_cfbc ,_ecfb :=_fdb .NewFilter (_fca );if _ecfb !=nil {return _ecfb ;};_bge ._dafg [string (_ffbe )]=_cfbc ;};_bge ._dafg ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_fdb .NewIdentity ();
_bge ._afaa ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _cefd ,_fbc :=_gca .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_fbc {if _ ,_bd :=_bge ._dafg [string (*_cefd )];!_bd {return _db .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",*_cefd );
};_bge ._afaa =string (*_cefd );};_bge ._ceb ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _ffa ,_ecce :=_gca .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_ecce {if _ ,_ddg :=_bge ._dafg [string (*_ffa )];!_ddg {return _db .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",*_ffa );
};_bge ._ceb =string (*_ffa );};return nil ;};func _fdfe (_cbafe _e .ReadSeeker ,_ddgc int64 )(*limitedReadSeeker ,error ){_ ,_bcfa :=_cbafe .Seek (0,_e .SeekStart );if _bcfa !=nil {return nil ,_bcfa ;};return &limitedReadSeeker {_effa :_cbafe ,_bgdd :_ddgc },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 ){_dbbce :=&PdfObjectStream {};if encoder ==nil {encoder =NewRawEncoder ();};_dbbce .PdfObjectDictionary =encoder .MakeStreamDict ();_ceed ,_dffdc :=encoder .EncodeBytes (contents );
if _dffdc !=nil {return nil ,_dffdc ;};_dbbce .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_ceed ))));_dbbce .Stream =_ceed ;return _dbbce ,nil ;};

// EncodeBytes encodes the passed in slice of bytes by passing it through the
// EncodeBytes method of the underlying encoders.
func (_bdgg *MultiEncoder )EncodeBytes (data []byte )([]byte ,error ){_agd :=data ;var _afdcc error ;for _bbfbf :=len (_bdgg ._agga )-1;_bbfbf >=0;_bbfbf --{_cdda :=_bdgg ._agga [_bbfbf ];_agd ,_afdcc =_cdda .EncodeBytes (_agd );if _afdcc !=nil {return nil ,_afdcc ;
};};return _agd ,nil ;};

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

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

// For predictors
Columns int ;Rows int ;Colors int ;_geag *_cc .ImageBase ;};

// NewCompliancePdfParser creates a new PdfParser that will parse input reader with the focus on extracting more metadata, which
// might affect performance of the regular PdfParser this function.
func NewCompliancePdfParser (rs _e .ReadSeeker )(_dabef *PdfParser ,_cbee error ){_dabef =&PdfParser {_ggbg :rs ,ObjCache :make (objectCache ),_cfbaf :map[int64 ]bool {},_gddf :true ,_fgadd :make (map[*PdfParser ]*PdfParser )};if _cbee =_dabef .parseDetailedHeader ();
_cbee !=nil {return nil ,_cbee ;};if _dabef ._bacee ,_cbee =_dabef .loadXrefs ();_cbee !=nil {_ag .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",_cbee );
return nil ,_cbee ;};_ag .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_dabef ._bacee );if len (_dabef ._eegca .ObjectMap )==0{return nil ,_db .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 _dabef ,nil ;};

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_fagd *PdfParser )GetFileOffset ()int64 {_cacc ,_ :=_fagd ._ggbg .Seek (0,_e .SeekCurrent );_cacc -=int64 (_fagd ._ceec .Buffered ());return _cacc ;};

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

// Set sets the dictionary's key -> val mapping entry. Overwrites if key already set.
func (_fbcf *PdfObjectDictionary )Set (key PdfObjectName ,val PdfObject ){_fbcf .setWithLock (key ,val ,true );};var _beedff =_ge .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");


// WriteString outputs the object as it is to be written to file.
func (_afaec *PdfObjectNull )WriteString ()string {return "\u006e\u0075\u006c\u006c"};func (_bdee *PdfParser )checkLinearizedInformation (_eeddc *PdfObjectDictionary )(bool ,error ){var _agafg error ;_bdee ._ccgg ,_agafg =GetNumberAsInt64 (_eeddc .Get ("\u004c"));
if _agafg !=nil {return false ,_agafg ;};_agafg =_bdee .seekToEOFMarker (_bdee ._ccgg );switch _agafg {case nil :return true ,nil ;case _dggd :return false ,nil ;default:return false ,_agafg ;};};var _cdaa =_ge .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");


// GetFilterName returns the name of the encoding filter.
func (_fed *DCTEncoder )GetFilterName ()string {return StreamEncodingFilterNameDCT };func _gbga (_adbbcg ,_debg PdfObject ,_ebec int )bool {if _ebec > _cbcd {_ag .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",_cbcd );
return false ;};if _adbbcg ==nil &&_debg ==nil {return true ;}else if _adbbcg ==nil ||_debg ==nil {return false ;};if _c .TypeOf (_adbbcg )!=_c .TypeOf (_debg ){return false ;};switch _eaec :=_adbbcg .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_eaec ==*(_debg .(*PdfObjectName ));case *PdfObjectString :return *_eaec ==*(_debg .(*PdfObjectString ));case *PdfObjectInteger :return *_eaec ==*(_debg .(*PdfObjectInteger ));case *PdfObjectBool :return *_eaec ==*(_debg .(*PdfObjectBool ));
case *PdfObjectFloat :return *_eaec ==*(_debg .(*PdfObjectFloat ));case *PdfIndirectObject :return _gbga (TraceToDirectObject (_adbbcg ),TraceToDirectObject (_debg ),_ebec +1);case *PdfObjectArray :_abgafg :=_debg .(*PdfObjectArray );if len ((*_eaec )._eadb )!=len ((*_abgafg )._eadb ){return false ;
};for _cdfb ,_agecg :=range (*_eaec )._eadb {if !_gbga (_agecg ,(*_abgafg )._eadb [_cdfb ],_ebec +1){return false ;};};return true ;case *PdfObjectDictionary :_deegc :=_debg .(*PdfObjectDictionary );_cecb ,_ebca :=(*_eaec )._bage ,(*_deegc )._bage ;if len (_cecb )!=len (_ebca ){return false ;
};for _effd ,_abgag :=range _cecb {_faead ,_deega :=_ebca [_effd ];if !_deega ||!_gbga (_abgag ,_faead ,_ebec +1){return false ;};};return true ;case *PdfObjectStream :_dgbgf :=_debg .(*PdfObjectStream );return _gbga ((*_eaec ).PdfObjectDictionary ,(*_dgbgf ).PdfObjectDictionary ,_ebec +1);
default:_ag .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",_adbbcg );
};return false ;};

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

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

// 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 (_ceag *PdfParser )Decrypt (password []byte )(bool ,error ){if _ceag ._efed ==nil {return false ,_a .New ("\u0063\u0068\u0065\u0063k \u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0069\u006f\u006e\u0020\u0066\u0069\u0072s\u0074");};_cedg ,_ecedb :=_ceag ._efed .authenticate (password );
if _ecedb !=nil {return false ,_ecedb ;};if !_cedg {_cedg ,_ecedb =_ceag ._efed .authenticate ([]byte (""));};return _cedg ,_ecedb ;};func _aaab (_eeefa ,_bfgfg ,_fbeba int )error {if _bfgfg < 0||_bfgfg > _eeefa {return _a .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 _fbeba < _bfgfg {return _a .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0073\u006c\u0069\u0063e\u0020i\u006ed\u0065\u0078\u0020\u0062\u0020\u003c\u0020a");};if _fbeba > _eeefa {return _a .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 ;};

// 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 )(_dbfc *PdfObjectFloat ,_fcde bool ){_dbfc ,_fcde =TraceToDirectObject (obj ).(*PdfObjectFloat );return _dbfc ,_fcde ;};func _abgaf (_caec *PdfObjectDictionary )(_bbde *_cc .ImageBase ){var (_aeaef *PdfObjectInteger ;_cgcab bool ;
);if _aeaef ,_cgcab =_caec .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );_cgcab {_bbde =&_cc .ImageBase {Width :int (*_aeaef )};}else {return nil ;};if _aeaef ,_cgcab =_caec .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );_cgcab {_bbde .Height =int (*_aeaef );
};if _aeaef ,_cgcab =_caec .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );_cgcab {_bbde .BitsPerComponent =int (*_aeaef );};if _aeaef ,_cgcab =_caec .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );
_cgcab {_bbde .ColorComponents =int (*_aeaef );};return _bbde ;};

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

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_bcf *RunLengthEncoder )MakeStreamDict ()*PdfObjectDictionary {_aggd :=MakeDict ();_aggd .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_bcf .GetFilterName ()));return _aggd ;};func (_bbfgb *PdfParser )repairSeekXrefMarker ()error {_fagg ,_gccd :=_bbfgb ._ggbg .Seek (0,_e .SeekEnd );
if _gccd !=nil {return _gccd ;};_gggce :=_ge .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");var _bdaf int64 ;var _fgdb int64 =1000;for _bdaf < _fagg {if _fagg <=(_fgdb +_bdaf ){_fgdb =_fagg -_bdaf ;};_ ,_caea :=_bbfgb ._ggbg .Seek (-_bdaf -_fgdb ,_e .SeekEnd );
if _caea !=nil {return _caea ;};_dfdfd :=make ([]byte ,_fgdb );_bbfgb ._ggbg .Read (_dfdfd );_ag .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_dfdfd ));
_cgba :=_gggce .FindAllStringIndex (string (_dfdfd ),-1);if _cgba !=nil {_gageb :=_cgba [len (_cgba )-1];_ag .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_cgba );_bbfgb ._ggbg .Seek (-_bdaf -_fgdb +int64 (_gageb [0]),_e .SeekEnd );_bbfgb ._ceec =_fcg .NewReader (_bbfgb ._ggbg );
for {_gddge ,_bcbg :=_bbfgb ._ceec .Peek (1);if _bcbg !=nil {return _bcbg ;};_ag .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_gddge [0],_gddge [0]);if !IsWhiteSpace (_gddge [0]){break ;};_bbfgb ._ceec .Discard (1);};return nil ;};_ag .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");
_bdaf +=_fgdb ;};_ag .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 _a .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};type objectStream struct{N int ;_feg []byte ;_eba map[int ]int64 ;};func (_abad *PdfParser )parseName ()(PdfObjectName ,error ){var _afbfb _gg .Buffer ;
_ccdd :=false ;for {_ddgcg ,_dbfa :=_abad ._ceec .Peek (1);if _dbfa ==_e .EOF {break ;};if _dbfa !=nil {return PdfObjectName (_afbfb .String ()),_dbfa ;};if !_ccdd {if _ddgcg [0]=='/'{_ccdd =true ;_abad ._ceec .ReadByte ();}else if _ddgcg [0]=='%'{_abad .readComment ();
_abad .skipSpaces ();}else {_ag .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",_ddgcg ,_ddgcg );return PdfObjectName (_afbfb .String ()),_db .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_ddgcg [0]);
};}else {if IsWhiteSpace (_ddgcg [0]){break ;}else if (_ddgcg [0]=='/')||(_ddgcg [0]=='[')||(_ddgcg [0]=='(')||(_ddgcg [0]==']')||(_ddgcg [0]=='<')||(_ddgcg [0]=='>'){break ;}else if _ddgcg [0]=='#'{_gegc ,_fbfc :=_abad ._ceec .Peek (3);if _fbfc !=nil {return PdfObjectName (_afbfb .String ()),_fbfc ;
};_fbea ,_fbfc :=_dg .DecodeString (string (_gegc [1:3]));if _fbfc !=nil {_ag .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");
_afbfb .WriteByte ('#');_abad ._ceec .Discard (1);continue ;};_abad ._ceec .Discard (3);_afbfb .Write (_fbea );}else {_fcgd ,_ :=_abad ._ceec .ReadByte ();_afbfb .WriteByte (_fcgd );};};};return PdfObjectName (_afbfb .String ()),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 (_fbca *PdfObjectStreams )Elements ()[]PdfObject {if _fbca ==nil {return nil ;};return _fbca ._edab ;};

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

// Read implementation of Read interface.
func (_gbeba *limitedReadSeeker )Read (p []byte )(_faba int ,_ddfc error ){_eaaf ,_ddfc :=_gbeba ._effa .Seek (0,_e .SeekCurrent );if _ddfc !=nil {return 0,_ddfc ;};_eeccg :=_gbeba ._bgdd -_eaaf ;if _eeccg ==0{return 0,_e .EOF ;};if _eaba :=int64 (len (p ));
_eaba < _eeccg {_eeccg =_eaba ;};_afae :=make ([]byte ,_eeccg );_faba ,_ddfc =_gbeba ._effa .Read (_afae );copy (p ,_afae );return _faba ,_ddfc ;};

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

// 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 _fc .Image ,bwThreshold float64 )(*JBIG2Image ,error ){const _cgf ="\u0047\u006f\u0049\u006d\u0061\u0067\u0065\u0054\u006fJ\u0042\u0049\u0047\u0032";if i ==nil {return nil ,_gdg .Error (_cgf ,"i\u006d\u0061\u0067\u0065 '\u0069'\u0020\u006e\u006f\u0074\u0020d\u0065\u0066\u0069\u006e\u0065\u0064");
};var (_febe uint8 ;_eeaad _cc .Image ;_cdac error ;);if bwThreshold ==JB2ImageAutoThreshold {_eeaad ,_cdac =_cc .MonochromeConverter .Convert (i );}else if bwThreshold > 1.0||bwThreshold < 0.0{return nil ,_gdg .Error (_cgf ,"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 {_febe =uint8 (255*bwThreshold );_eeaad ,_cdac =_cc .MonochromeThresholdConverter (_febe ).Convert (i );};if _cdac !=nil {return nil ,_cdac ;};return _edafg (_eeaad ),nil ;};

// IsDelimiter checks if a character represents a delimiter.
func IsDelimiter (c byte )bool {return c =='('||c ==')'||c =='<'||c =='>'||c =='['||c ==']'||c =='{'||c =='}'||c =='/'||c =='%';};var _ecedd =_ge .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");


// 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 (_dbegde *PdfObjectString )Decoded ()string {if _dbegde ==nil {return "";};_daba :=[]byte (_dbegde ._ffac );if len (_daba )>=2&&_daba [0]==0xFE&&_daba [1]==0xFF{return _de .UTF16ToString (_daba [2:]);};return _de .PDFDocEncodingToString (_daba );};
func _cefda (_cbac ,_gcee ,_dbag uint8 )uint8 {_ebdg :=int (_dbag );_cegg :=int (_gcee )-_ebdg ;_aebb :=int (_cbac )-_ebdg ;_ebdg =_dgcb (_cegg +_aebb );_cegg =_dgcb (_cegg );_aebb =_dgcb (_aebb );if _cegg <=_aebb &&_cegg <=_ebdg {return _cbac ;}else if _aebb <=_ebdg {return _gcee ;
};return _dbag ;};func _gcd (_bgd *_fdb .FilterDict ,_cccb *PdfObjectDictionary )error {if _fad ,_ccg :=_cccb .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_ccg {if _ffdb :=string (*_fad );_ffdb !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_ag .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",_ffdb );
};};_cfa ,_eabc :=_cccb .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_eabc {return _db .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");
};_bgd .CFM =string (*_cfa );if _bfdd ,_eef :=_cccb .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_eef {_bgd .AuthEvent =_eb .AuthEvent (*_bfdd );}else {_bgd .AuthEvent =_eb .EventDocOpen ;};if _ba ,_dfa :=_cccb .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_dfa {_bgd .Length =int (*_ba );};return nil ;};

// NewMultiEncoder returns a new instance of MultiEncoder.
func NewMultiEncoder ()*MultiEncoder {_cbaad :=MultiEncoder {};_cbaad ._agga =[]StreamEncoder {};return &_cbaad ;};func _abcec (_fcaa _e .ReadSeeker ,_dacd int64 )(*offsetReader ,error ){_cagg :=&offsetReader {_eggcb :_fcaa ,_aagfb :_dacd };_ ,_eaddf :=_cagg .Seek (0,_e .SeekStart );
return _cagg ,_eaddf ;};func (_dcd *PdfCrypt )decryptBytes (_eggc []byte ,_bggg string ,_gad []byte )([]byte ,error ){_ag .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");_dfe ,_eadd :=_dcd ._dafg [_bggg ];
if !_eadd {return nil ,_db .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_bggg );};return _dfe .DecryptBytes (_eggc ,_gad );};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_dgec *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_dcea :=_gg .NewReader (data );var _begg []byte ;var _adfc []byte ;_efcd ,_abbe :=_dcea .ReadByte ();if _abbe ==_e .EOF {return []byte {},nil ;}else if _abbe !=nil {return nil ,_abbe ;
};_bebb :=1;for {_fgcb ,_adgc :=_dcea .ReadByte ();if _adgc ==_e .EOF {break ;}else if _adgc !=nil {return nil ,_adgc ;};if _fgcb ==_efcd {if len (_adfc )> 0{_adfc =_adfc [:len (_adfc )-1];if len (_adfc )> 0{_begg =append (_begg ,byte (len (_adfc )-1));
_begg =append (_begg ,_adfc ...);};_bebb =1;_adfc =[]byte {};};_bebb ++;if _bebb >=127{_begg =append (_begg ,byte (257-_bebb ),_efcd );_bebb =0;};}else {if _bebb > 0{if _bebb ==1{_adfc =[]byte {_efcd };}else {_begg =append (_begg ,byte (257-_bebb ),_efcd );
};_bebb =0;};_adfc =append (_adfc ,_fgcb );if len (_adfc )>=127{_begg =append (_begg ,byte (len (_adfc )-1));_begg =append (_begg ,_adfc ...);_adfc =[]byte {};};};_efcd =_fgcb ;};if len (_adfc )> 0{_begg =append (_begg ,byte (len (_adfc )-1));_begg =append (_begg ,_adfc ...);
}else if _bebb > 0{_begg =append (_begg ,byte (257-_bebb ),_efcd );};_begg =append (_begg ,128);return _begg ,nil ;};

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

// 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 (_ebbg *MultiEncoder )GetFilterName ()string {_egbc :="";for _bdc ,_feac :=range _ebbg ._agga {_egbc +=_feac .GetFilterName ();if _bdc < len (_ebbg ._agga )-1{_egbc +="\u0020";};};return _egbc ;};

// 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 _bgda :=obj .(type ){case *PdfObjectFloat :_ag .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 (*_bgda ),nil ;case *PdfObjectInteger :return int64 (*_bgda ),nil ;case *PdfObjectReference :_gceeb :=TraceToDirectObject (obj );return GetNumberAsInt64 (_gceeb );case *PdfIndirectObject :return GetNumberAsInt64 (_bgda .PdfObject );};return 0,ErrNotANumber ;
};const _aggc =32<<(^uint (0)>>63);

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

// WriteString outputs the object as it is to be written to file.
func (_dcde *PdfObjectName )WriteString ()string {var _agcbd _gg .Buffer ;if len (*_dcde )> 127{_ag .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a \u004e\u0061\u006d\u0065\u0020t\u006fo\u0020l\u006f\u006e\u0067\u0020\u0028\u0025\u0073)",*_dcde );};_agcbd .WriteString ("\u002f");
for _fecb :=0;_fecb < len (*_dcde );_fecb ++{_ddcd :=(*_dcde )[_fecb ];if !IsPrintable (_ddcd )||_ddcd =='#'||IsDelimiter (_ddcd ){_agcbd .WriteString (_db .Sprintf ("\u0023\u0025\u002e2\u0078",_ddcd ));}else {_agcbd .WriteByte (_ddcd );};};return _agcbd .String ();
};func (_bcbd *PdfCrypt )checkAccessRights (_gegd []byte )(bool ,_eb .Permissions ,error ){_dag :=_bcbd .securityHandler ();_ccce ,_efg ,_feb :=_dag .Authenticate (&_bcbd ._ef ,_gegd );if _feb !=nil {return false ,0,_feb ;}else if _efg ==0||len (_ccce )==0{return false ,0,nil ;
};return true ,_efg ,nil ;};func (_befg *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_e .SeekStart {offset +=_befg ._aagfb ;};_agdg ,_cceb :=_befg ._eggcb .Seek (offset ,whence );if _cceb !=nil {return _agdg ,_cceb ;};if whence ==_e .SeekCurrent {_agdg -=_befg ._aagfb ;
};if _agdg < 0{return 0,_a .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 _agdg ,nil ;};

// MakeString creates an PdfObjectString from a string.
// NOTE: PDF does not use utf-8 string encoding like Go so `s` will often not be a utf-8 encoded
// string.
func MakeString (s string )*PdfObjectString {_cfded :=PdfObjectString {_ffac :s };return &_cfded };

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

// For predictors
Columns int ;Colors int ;

// LZW algorithm setting.
EarlyChange int ;};func (_gggab *PdfParser )repairLocateXref ()(int64 ,error ){_cccbd :=int64 (1000);_gggab ._ggbg .Seek (-_cccbd ,_e .SeekCurrent );_fdace ,_caddf :=_gggab ._ggbg .Seek (0,_e .SeekCurrent );if _caddf !=nil {return 0,_caddf ;};_aebcd :=make ([]byte ,_cccbd );
_gggab ._ggbg .Read (_aebcd );_fgca :=_cbfbb .FindAllStringIndex (string (_aebcd ),-1);if len (_fgca )< 1{_ag .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,_a .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");};_ceffc :=int64 (_fgca [len (_fgca )-1][0]);_beefa :=_fdace +_ceffc ;return _beefa ,nil ;};

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

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

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

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

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

// HasInvalidSubsectionHeader implements core.ParserMetadata interface.
func (_gaf ParserMetadata )HasInvalidSubsectionHeader ()bool {return _gaf ._acc };

// 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 )(_gedg *PdfObjectBool ,_dbcb bool ){_gedg ,_dbcb =TraceToDirectObject (obj ).(*PdfObjectBool );return _gedg ,_dbcb ;};

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

// 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 )(_beag *PdfObjectString ,_fbcb bool ){_beag ,_fbcb =TraceToDirectObject (obj ).(*PdfObjectString );return _beag ,_fbcb ;};

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

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

// 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 (_ceab *PdfObjectArray )ToFloat64Array ()([]float64 ,error ){var _fage []float64 ;for _ ,_abcea :=range _ceab .Elements (){switch _ebbgd :=_abcea .(type ){case *PdfObjectInteger :_fage =append (_fage ,float64 (*_ebbgd ));case *PdfObjectFloat :_fage =append (_fage ,float64 (*_ebbgd ));
default:return nil ,ErrTypeError ;};};return _fage ,nil ;};func (_eced *PdfCrypt )isEncrypted (_ada PdfObject )bool {_ ,_aed :=_eced ._cba [_ada ];if _aed {_ag .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};_ag .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");return false ;};

// 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 ){_efa :=&PdfCrypt {_ddc :false ,_dgd :make (map[PdfObject ]bool ),_cba :make (map[PdfObject ]bool ),_fbd :make (map[int ]struct{}),_ggfa :parser };_adb ,_egg :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_egg {_ag .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 _efa ,_a .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 *_adb !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_ag .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",*_adb );
return _efa ,_a .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_efa ._daa .Filter =string (*_adb );if _fegf ,_faea :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_faea {_efa ._daa .SubFilter =_fegf .Str ();
_ag .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_fegf );};if L ,_gddg :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_gddg {if (*L %8)!=0{_ag .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 _efa ,_a .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_efa ._daa .Length =int (*L );}else {_efa ._daa .Length =40;};_efa ._daa .V =0;if _eabb ,_agc :=ed .Get ("\u0056").(*PdfObjectInteger );
_agc {V :=int (*_eabb );_efa ._daa .V =V ;if V >=1&&V <=2{_efa ._dafg =_eeb (_efa ._daa .Length );}else if V >=4&&V <=5{if _bff :=_efa .loadCryptFilters (ed );_bff !=nil {return _efa ,_bff ;};}else {_ag .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 _efa ,_a .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _bcdg :=_cfe (&_efa ._ef ,ed );_bcdg !=nil {return _efa ,_bcdg ;};_abg :="";if _gabd ,_gddc :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_gddc &&_gabd .Len ()>=1{_gfb ,_bgdb :=GetString (_gabd .Get (0));if !_bgdb {return _efa ,_a .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_abg =_gfb .Str ();}else {_ag .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");
};_efa ._ebg =_abg ;return _efa ,nil ;};

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

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

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

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

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

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

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

// WriteString outputs the object as it is to be written to file.
func (_bgbd *PdfObjectArray )WriteString ()string {var _edfe _gd .Builder ;_edfe .WriteString ("\u005b");for _bbac ,_ege :=range _bgbd .Elements (){_edfe .WriteString (_ege .WriteString ());if _bbac < (_bgbd .Len ()-1){_edfe .WriteString ("\u0020");};};
_edfe .WriteString ("\u005d");return _edfe .String ();};func (_egf *PdfCrypt )securityHandler ()_eb .StdHandler {if _egf ._ef .R >=5{return _eb .NewHandlerR6 ();};return _eb .NewHandlerR4 (_egf ._ebg ,_egf ._daa .Length );};

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

// StreamEncoder represents the interface for all PDF stream encoders.
type StreamEncoder interface{GetFilterName ()string ;MakeDecodeParams ()PdfObject ;MakeStreamDict ()*PdfObjectDictionary ;UpdateParams (_febg *PdfObjectDictionary );EncodeBytes (_bfbg []byte )([]byte ,error );DecodeBytes (_gda []byte )([]byte ,error );
DecodeStream (_cbce *PdfObjectStream )([]byte ,error );};func _dgcb (_aecfc int )int {_ebac :=_aecfc >>(_aggc -1);return (_aecfc ^_ebac )-_ebac };

// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_dc *PdfCrypt )GetAccessPermissions ()_eb .Permissions {return _dc ._ef .P };

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

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

// Clear resets the array to an empty state.
func (_cadd *PdfObjectArray )Clear (){_cadd ._eadb =[]PdfObject {}};func (_eceaf *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_eceaf ._ggbg .Seek (0,_e .SeekStart );_eceaf ._ceec =_fcg .NewReader (_eceaf ._ggbg );_fabad :=20;_fffc :=make ([]byte ,_fabad );
for {_befgb ,_gdc :=_eceaf ._ceec .ReadByte ();if _gdc !=nil {if _gdc ==_e .EOF {break ;}else {return 0,0,_gdc ;};};if IsDecimalDigit (_befgb )&&_fffc [_fabad -1]=='.'&&IsDecimalDigit (_fffc [_fabad -2])&&_fffc [_fabad -3]=='-'&&_fffc [_fabad -4]=='F'&&_fffc [_fabad -5]=='D'&&_fffc [_fabad -6]=='P'{_cdfe :=int (_fffc [_fabad -2]-'0');
_cgccc :=int (_befgb -'0');return _cdfe ,_cgccc ,nil ;};_fffc =append (_fffc [1:_fabad ],_befgb );};return 0,0,_a .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};

// GetRevision returns PdfParser for the specific version of the Pdf document.
func (_ccaa *PdfParser )GetRevision (revisionNumber int )(*PdfParser ,error ){_afe :=_ccaa ._ddae ;if _afe ==revisionNumber {return _ccaa ,nil ;};if _afe < revisionNumber {return nil ,_a .New ("\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064\u0020\u0072\u0065\u0076\u0069\u0073i\u006fn\u004e\u0075\u006d\u0062\u0065\u0072\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e");
};if _ccaa ._gacd [revisionNumber ]!=nil {return _ccaa ._gacd [revisionNumber ],nil ;};_bgdde :=_ccaa ;for ;_afe > revisionNumber ;_afe --{_facaa ,_bcgb :=_bgdde .GetPreviousRevisionParser ();if _bcgb !=nil {return nil ,_bcgb ;};_ccaa ._gacd [_afe -1]=_facaa ;
_ccaa ._fgadd [_bgdde ]=_facaa ;_bgdde =_facaa ;};return _bgdde ,nil ;};

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_ecaa *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_ag .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_ag .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_ecaa .Predictor );
_eaa ,_efda :=_ecaa .DecodeBytes (streamObj .Stream );if _efda !=nil {return nil ,_efda ;};_ag .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_ag .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_eaa ),_eaa );
if _ecaa .Predictor > 1{if _ecaa .Predictor ==2{_ag .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_bacd :=_ecaa .Columns *_ecaa .Colors ;if _bacd < 1{return []byte {},nil ;};_acgf :=len (_eaa )/_bacd ;if len (_eaa )%_bacd !=0{_ag .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 ,_db .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 (_eaa ),_bacd );};if _bacd %_ecaa .Colors !=0{return nil ,_db .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",_bacd ,_ecaa .Colors );
};if _bacd > len (_eaa ){_ag .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",_bacd ,len (_eaa ));
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ag .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_eaa ),_eaa );
_eccdb :=_gg .NewBuffer (nil );for _cbaed :=0;_cbaed < _acgf ;_cbaed ++{_bfbc :=_eaa [_bacd *_cbaed :_bacd *(_cbaed +1)];for _bgea :=_ecaa .Colors ;_bgea < _bacd ;_bgea ++{_bfbc [_bgea ]=byte (int (_bfbc [_bgea ]+_bfbc [_bgea -_ecaa .Colors ])%256);};_eccdb .Write (_bfbc );
};_eccf :=_eccdb .Bytes ();_ag .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_eccf ),_eccf );return _eccf ,nil ;}else if _ecaa .Predictor >=10&&_ecaa .Predictor <=15{_ag .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_ddcge :=_ecaa .Columns *_ecaa .Colors +1;if _ddcge < 1{return []byte {},nil ;};_fba :=len (_eaa )/_ddcge ;if len (_eaa )%_ddcge !=0{return nil ,_db .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 (_eaa ),_ddcge );
};if _ddcge > len (_eaa ){_ag .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",_ddcge ,len (_eaa ));
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ffce :=_gg .NewBuffer (nil );_ag .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_ecaa .Columns );
_ag .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_eaa ),_ddcge ,_fba );_gggg :=make ([]byte ,_ddcge );for _dbae :=0;_dbae < _ddcge ;_dbae ++{_gggg [_dbae ]=0;
};for _ecag :=0;_ecag < _fba ;_ecag ++{_adfg :=_eaa [_ddcge *_ecag :_ddcge *(_ecag +1)];_fge :=_adfg [0];switch _fge {case 0:case 1:for _cddg :=2;_cddg < _ddcge ;_cddg ++{_adfg [_cddg ]=byte (int (_adfg [_cddg ]+_adfg [_cddg -1])%256);};case 2:for _cda :=1;
_cda < _ddcge ;_cda ++{_adfg [_cda ]=byte (int (_adfg [_cda ]+_gggg [_cda ])%256);};default:_ag .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",_fge );
return nil ,_db .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_fge );};for _daaf :=0;_daaf < _ddcge ;_daaf ++{_gggg [_daaf ]=_adfg [_daaf ];};_ffce .Write (_adfg [1:]);
};_cab :=_ffce .Bytes ();return _cab ,nil ;}else {_ag .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",_ecaa .Predictor );
return nil ,_db .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",_ecaa .Predictor );};};return _eaa ,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 (_geb *FlateEncoder )SetPredictor (columns int ){_geb .Predictor =11;_geb .Columns =columns };

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

// SetFileOffset sets the file to an offset position and resets buffer.
func (_aaa *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_aaa ._ggbg .Seek (offset ,_e .SeekStart );_aaa ._ceec =_fcg .NewReader (_aaa ._ggbg );};

// 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 _bddg _gg .Buffer ;_bddg .Write ([]byte {0xFE,0xFF});_bddg .WriteString (_de .StringToUTF16 (s ));return &PdfObjectString {_ffac :_bddg .String (),_fccgd :true };};return &PdfObjectString {_ffac :string (_de .StringToPDFDocEncoding (s )),_fccgd :false };
};

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

// MakeIndirectObject creates an PdfIndirectObject with a specified direct object PdfObject.
func MakeIndirectObject (obj PdfObject )*PdfIndirectObject {_abda :=&PdfIndirectObject {};_abda .PdfObject =obj ;return _abda ;};func (_bac *PdfCrypt )encryptBytes (_dac []byte ,_egfd string ,_eeba []byte )([]byte ,error ){_ag .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_cbgc ,_cge :=_bac ._dafg [_egfd ];if !_cge {return nil ,_db .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_egfd );};return _cbgc .EncryptBytes (_dac ,_eeba );};

// 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 _cdfa (o ,0,traversed );};func (_edag *PdfObjectFloat )String ()string {return _db .Sprintf ("\u0025\u0066",*_edag )};


// Resolve resolves the reference and returns the indirect or stream object.
// If the reference cannot be resolved, a *PdfObjectNull object is returned.
func (_gacea *PdfObjectReference )Resolve ()PdfObject {if _gacea ._fdaa ==nil {return MakeNull ();};_dacc ,_ ,_dddc :=_gacea ._fdaa .resolveReference (_gacea );if _dddc !=nil {_ag .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0072\u0065\u0073\u006f\u006cv\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065r\u0065n\u0063\u0065\u003a\u0020\u0025\u0076\u0020\u002d\u0020\u0072\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067 \u006e\u0075\u006c\u006c\u0020\u006f\u0062\u006a\u0065\u0063\u0074",_dddc );
return MakeNull ();};if _dacc ==nil {_ag .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 _dacc ;};

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

// WriteString outputs the object as it is to be written to file.
func (_baga *PdfIndirectObject )WriteString ()string {var _ebfb _gd .Builder ;_ebfb .WriteString (_g .FormatInt (_baga .ObjectNumber ,10));_ebfb .WriteString ("\u0020\u0030\u0020\u0052");return _ebfb .String ();};func (_afga *PdfParser )seekToEOFMarker (_dfeg int64 )error {var _beega int64 ;
var _bgcgbg int64 =2048;for _beega < _dfeg -4{if _dfeg <=(_bgcgbg +_beega ){_bgcgbg =_dfeg -_beega ;};_ ,_affd :=_afga ._ggbg .Seek (_dfeg -_beega -_bgcgbg ,_e .SeekStart );if _affd !=nil {return _affd ;};_gdfc :=make ([]byte ,_bgcgbg );_afga ._ggbg .Read (_gdfc );
_ag .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 (_gdfc ));_bdcd :=_cdaa .FindAllStringIndex (string (_gdfc ),-1);if _bdcd !=nil {_dddeb :=_bdcd [len (_bdcd )-1];
_ag .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_bdcd );_ebdf :=_dfeg -_beega -_bgcgbg +int64 (_dddeb [0]);_afga ._ggbg .Seek (_ebdf ,_e .SeekStart );return nil ;};_ag .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");
_beega +=_bgcgbg -4;};_ag .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 _dggd ;};func _gcdg (_gaea *PdfObjectStream )(*MultiEncoder ,error ){_ffaf :=NewMultiEncoder ();
_dad :=_gaea .PdfObjectDictionary ;if _dad ==nil {return _ffaf ,nil ;};var _dca *PdfObjectDictionary ;var _fdgg []PdfObject ;_eccb :=_dad .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _eccb !=nil {_acb ,_fdeb :=_eccb .(*PdfObjectDictionary );
if _fdeb {_dca =_acb ;};_gebc ,_cbeb :=_eccb .(*PdfObjectArray );if _cbeb {for _ ,_egd :=range _gebc .Elements (){_egd =TraceToDirectObject (_egd );if _ecd ,_gggf :=_egd .(*PdfObjectDictionary );_gggf {_fdgg =append (_fdgg ,_ecd );}else {_fdgg =append (_fdgg ,MakeDict ());
};};};};_eccb =_dad .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");if _eccb ==nil {return nil ,_db .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");};_begb ,_gafg :=_eccb .(*PdfObjectArray );if !_gafg {return nil ,_db .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 _aegca ,_fabg :=range _begb .Elements (){_eee ,_ccfc :=_fabg .(*PdfObjectName );if !_ccfc {return nil ,_db .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 _cgaf PdfObject ;if _dca !=nil {_cgaf =_dca ;}else {if len (_fdgg )> 0{if _aegca >=len (_fdgg ){return nil ,_db .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");
};_cgaf =_fdgg [_aegca ];};};var _aeae *PdfObjectDictionary ;if _acef ,_egda :=_cgaf .(*PdfObjectDictionary );_egda {_aeae =_acef ;};_ag .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",*_eee ,_cgaf ,_aeae );
if *_eee ==StreamEncodingFilterNameFlate {_eedc ,_edcg :=_fggc (_gaea ,_aeae );if _edcg !=nil {return nil ,_edcg ;};_ffaf .AddEncoder (_eedc );}else if *_eee ==StreamEncodingFilterNameLZW {_cfdc ,_agbd :=_dbegd (_gaea ,_aeae );if _agbd !=nil {return nil ,_agbd ;
};_ffaf .AddEncoder (_cfdc );}else if *_eee ==StreamEncodingFilterNameASCIIHex {_egdf :=NewASCIIHexEncoder ();_ffaf .AddEncoder (_egdf );}else if *_eee ==StreamEncodingFilterNameASCII85 {_eefea :=NewASCII85Encoder ();_ffaf .AddEncoder (_eefea );}else if *_eee ==StreamEncodingFilterNameDCT {_eafdd ,_cgae :=_eagd (_gaea ,_ffaf );
if _cgae !=nil {return nil ,_cgae ;};_ffaf .AddEncoder (_eafdd );_ag .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_ag .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_ffaf );
}else if *_eee ==StreamEncodingFilterNameCCITTFax {_dbaee ,_gged :=_dafgf (_gaea ,_aeae );if _gged !=nil {return nil ,_gged ;};_ffaf .AddEncoder (_dbaee );}else {_ag .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_eee );
return nil ,_db .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 _ffaf ,nil ;};

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_cdg *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _bbg _fc .Image ;if _cdg .ColorComponents ==1&&_cdg .BitsPerComponent ==8{_bbg =&_fc .Gray {Rect :_fc .Rect (0,0,_cdg .Width ,_cdg .Height ),Pix :data ,Stride :_cc .BytesPerLine (_cdg .Width ,_cdg .BitsPerComponent ,_cdg .ColorComponents )};
}else {var _afb error ;_bbg ,_afb =_cc .NewImage (_cdg .Width ,_cdg .Height ,_cdg .BitsPerComponent ,_cdg .ColorComponents ,data ,nil ,nil );if _afb !=nil {return nil ,_afb ;};};_ddb :=_aa .Options {};_ddb .Quality =_cdg .Quality ;var _aacg _gg .Buffer ;
if _dfc :=_aa .Encode (&_aacg ,_bbg ,&_ddb );_dfc !=nil {return nil ,_dfc ;};return _aacg .Bytes (),nil ;};

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_bage map[PdfObjectName ]PdfObject ;_dgbfb []PdfObjectName ;_fgee *_d .Mutex ;_ecbb *PdfParser ;};func (_edfg *PdfParser )resolveReference (_abfc *PdfObjectReference )(PdfObject ,bool ,error ){_begf ,_fcdcc :=_edfg .ObjCache [int (_abfc .ObjectNumber )];
if _fcdcc {return _begf ,true ,nil ;};_gcbg ,_abee :=_edfg .LookupByReference (*_abfc );if _abee !=nil {return nil ,false ,_abee ;};_edfg .ObjCache [int (_abfc .ObjectNumber )]=_gcbg ;return _gcbg ,false ,nil ;};

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

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

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

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

// GetUpdatedObjects returns pdf objects which were updated from the specific version (from prevParser).
func (_dbde *PdfParser )GetUpdatedObjects (prevParser *PdfParser )(map[int64 ]PdfObject ,error ){if prevParser ==nil {return nil ,_a .New ("\u0070\u0072e\u0076\u0069\u006f\u0075\u0073\u0020\u0070\u0061\u0072\u0073\u0065\u0072\u0020\u0063\u0061\u006e\u0027\u0074\u0020\u0062\u0065\u0020nu\u006c\u006c");
};_fffd ,_ggdf :=_dbde .getNumbersOfUpdatedObjects (prevParser );if _ggdf !=nil {return nil ,_ggdf ;};_adcb :=make (map[int64 ]PdfObject );for _ ,_fdee :=range _fffd {if _abbfe ,_abbae :=_dbde .LookupByNumber (_fdee );_abbae ==nil {_adcb [int64 (_fdee )]=_abbfe ;
}else {return nil ,_abbae ;};};return _adcb ,nil ;};

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

// 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 ;};type objectStreams map[int ]objectStream ;

// MakeDict creates and returns an empty PdfObjectDictionary.
func MakeDict ()*PdfObjectDictionary {_deeg :=&PdfObjectDictionary {};_deeg ._bage =map[PdfObjectName ]PdfObject {};_deeg ._dgbfb =[]PdfObjectName {};_deeg ._fgee =&_d .Mutex {};return _deeg ;};

// CCITTFaxEncoder implements Group3 and Group4 facsimile (fax) encoder/decoder.
type CCITTFaxEncoder struct{K int ;EndOfLine bool ;EncodedByteAlign bool ;Columns int ;Rows int ;EndOfBlock bool ;BlackIs1 bool ;DamagedRowsBeforeError int ;};func (_fgg *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_gab :=MakeDict ();_gab .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));
_gab .Set ("\u0056",MakeInteger (int64 (_fgg ._daa .V )));_gab .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_fgg ._daa .Length )));return _gab ;};func (_ecfg *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_ecfg ._eegca .ObjectMap =make (map[int ]XrefObject );
_ecfg ._beda =make (objectStreams );_fgaa ,_agbc :=_ecfg ._ggbg .Seek (0,_e .SeekEnd );if _agbc !=nil {return nil ,_agbc ;};_ag .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_fgaa );_ecfg ._beebd =_fgaa ;_agbc =_ecfg .seekToEOFMarker (_fgaa );
if _agbc !=nil {_ag .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",_agbc );return nil ,_agbc ;};_gbcae ,_agbc :=_ecfg ._ggbg .Seek (0,_e .SeekCurrent );
if _agbc !=nil {return nil ,_agbc ;};var _dffd int64 =64;_bbbe :=_gbcae -_dffd ;if _bbbe < 0{_bbbe =0;};_ ,_agbc =_ecfg ._ggbg .Seek (_bbbe ,_e .SeekStart );if _agbc !=nil {return nil ,_agbc ;};_bedfe :=make ([]byte ,_dffd );_ ,_agbc =_ecfg ._ggbg .Read (_bedfe );
if _agbc !=nil {_ag .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",_agbc );
return nil ,_agbc ;};_fdcb :=_adgce .FindStringSubmatch (string (_bedfe ));if len (_fdcb )< 2{_ag .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 ,_a .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};if len (_fdcb )> 2{_ag .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",_bedfe );
return nil ,_a .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");};_dbgbe ,_ :=_g .ParseInt (_fdcb [1],10,64);_ag .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_dbgbe );
if _dbgbe > _fgaa {_ag .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");_ag .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");
_dbgbe ,_agbc =_ecfg .repairLocateXref ();if _agbc !=nil {_ag .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 ,_agbc ;};};_ecfg ._ggbg .Seek (_dbgbe ,_e .SeekStart );_ecfg ._ceec =_fcg .NewReader (_ecfg ._ggbg );_acfe ,_agbc :=_ecfg .parseXref ();if _agbc !=nil {return nil ,_agbc ;};_dege :=_acfe .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");if _dege !=nil {_aabe ,_gace :=_dege .(*PdfObjectInteger );
if !_gace {return nil ,_a .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_agbc =_ecfg .parseXrefStream (_aabe );if _agbc !=nil {return nil ,_agbc ;};};var _deabd []int64 ;_abcf :=func (_ebee int64 ,_gaagf []int64 )bool {for _ ,_fbcc :=range _gaagf {if _fbcc ==_ebee {return true ;
};};return false ;};_dege =_acfe .Get ("\u0050\u0072\u0065\u0076");for _dege !=nil {_ddcgd ,_dcgc :=_dege .(*PdfObjectInteger );if !_dcgc {_ag .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",_dege );
return _acfe ,nil ;};_adae :=*_ddcgd ;_ag .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",_adae );_ecfg ._ggbg .Seek (int64 (_adae ),_e .SeekStart );
_ecfg ._ceec =_fcg .NewReader (_ecfg ._ggbg );_cbfdd ,_dcba :=_ecfg .parseXref ();if _dcba !=nil {_ag .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");
_ag .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 ;};_ecfg ._cfag =append (_ecfg ._cfag ,int64 (_adae ));
_dege =_cbfdd .Get ("\u0050\u0072\u0065\u0076");if _dege !=nil {_edb :=*(_dege .(*PdfObjectInteger ));if _abcf (int64 (_edb ),_deabd ){_ag .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 ;};_deabd =append (_deabd ,int64 (_edb ));};};return _acfe ,nil ;};

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

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

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

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

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_affca Version ;_ggbg _e .ReadSeeker ;_ceec *_fcg .Reader ;_beebd int64 ;_eegca XrefTable ;_eafgc int64 ;_cgaga *xrefType ;_beda objectStreams ;_bacee *PdfObjectDictionary ;_efed *PdfCrypt ;_faac *PdfIndirectObject ;_fbg bool ;ObjCache objectCache ;
_gcdgb map[int ]bool ;_cfbaf map[int64 ]bool ;_fcee ParserMetadata ;_gddf bool ;_cfag []int64 ;_ddae int ;_gecg bool ;_ccgg int64 ;_fgadd map[*PdfParser ]*PdfParser ;_gacd []*PdfParser ;};func _afce (_bfca *PdfObjectStream ,_gfd *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;
};type limitedReadSeeker struct{_effa _e .ReadSeeker ;_bgdd int64 ;};

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

// PdfObjectInteger represents the primitive PDF integer numerical object.
type PdfObjectInteger int64 ;func (_acbb *PdfParser )inspect ()(map[string ]int ,error ){_ag .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");
_ag .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_beggb :=map[string ]int {};_gbad :=0;_bdcbf :=0;var _gcbfg []int ;for _bgbaa :=range _acbb ._eegca .ObjectMap {_gcbfg =append (_gcbfg ,_bgbaa );};_f .Ints (_gcbfg );_eaegb :=0;
for _ ,_bffb :=range _gcbfg {_febb :=_acbb ._eegca .ObjectMap [_bffb ];if _febb .ObjectNumber ==0{continue ;};_gbad ++;_ag .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_ag .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",_febb .ObjectNumber );
_ffge ,_cgbb :=_acbb .LookupByNumber (_febb .ObjectNumber );if _cgbb !=nil {_ag .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",_febb .ObjectNumber ,_cgbb );
_bdcbf ++;continue ;};_ag .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_ffge );_eebad ,_fcge :=_ffge .(*PdfIndirectObject );if _fcge {_ag .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_febb .ObjectNumber ,_eebad );
_daca ,_gfad :=_eebad .PdfObject .(*PdfObjectDictionary );if _gfad {if _ccba ,_beeee :=_daca .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_beeee {_begge :=string (*_ccba );_ag .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_begge );
_ ,_fbce :=_beggb [_begge ];if _fbce {_beggb [_begge ]++;}else {_beggb [_begge ]=1;};}else if _gcaf ,_cbfdc :=_daca .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_cbfdc {_aaec :=string (*_gcaf );_ag .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_aaec );
_ ,_afgaf :=_beggb [_aaec ];if _afgaf {_beggb [_aaec ]++;}else {_beggb [_aaec ]=1;};};if _fecc ,_bgece :=_daca .Get ("\u0053").(*PdfObjectName );_bgece &&*_fecc =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_daaa :=_beggb ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _daaa {_beggb ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_beggb ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _gffd ,_gcfd :=_ffge .(*PdfObjectStream );_gcfd {if _dgef ,_ebaag :=_gffd .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_ebaag {_ag .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",*_dgef );_abfe :=string (*_dgef );_beggb [_abfe ]++;};}else {_eeagc ,_gede :=_ffge .(*PdfObjectDictionary );
if _gede {_bdgge ,_dbdb :=_eeagc .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _dbdb {_eeaf :=string (*_bdgge );_ag .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_eeaf );_beggb [_eeaf ]++;};};_ag .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_febb .ObjectNumber ,_ffge );
};_eaegb ++;};_ag .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");_ag .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");
_ag .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_gbad );_ag .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_bdcbf );for _faded ,_aggda :=range _beggb {_ag .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_faded ,_aggda );
};_ag .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_acbb ._eegca .ObjectMap )< 1{_ag .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 ,_db .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");};_cdgcg ,_caecb :=_beggb ["\u0046\u006f\u006e\u0074"];
if !_caecb ||_cdgcg < 2{_ag .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 {_ag .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 _beggb ,nil ;};

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

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

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

// UpdateParams updates the parameter values of the encoder.
func (_fec *LZWEncoder )UpdateParams (params *PdfObjectDictionary ){_beeg ,_gbgfb :=GetNumberAsInt64 (params .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr"));if _gbgfb ==nil {_fec .Predictor =int (_beeg );};_effb ,_gbgfb :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));
if _gbgfb ==nil {_fec .BitsPerComponent =int (_effb );};_beg ,_gbgfb :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));if _gbgfb ==nil {_fec .Columns =int (_beg );};_bdebc ,_gbgfb :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));
if _gbgfb ==nil {_fec .Colors =int (_bdebc );};_cccd ,_gbgfb :=GetNumberAsInt64 (params .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));if _gbgfb ==nil {_fec .EarlyChange =int (_cccd );};};func (_bag *offsetReader )Read (p []byte )(_afgb int ,_fabd error ){return _bag ._eggcb .Read (p )};
func _aecg (_cbf PdfObject )(int64 ,int64 ,error ){if _cg ,_ff :=_cbf .(*PdfIndirectObject );_ff {return _cg .ObjectNumber ,_cg .GenerationNumber ,nil ;};if _gbf ,_ccc :=_cbf .(*PdfObjectStream );_ccc {return _gbf .ObjectNumber ,_gbf .GenerationNumber ,nil ;
};return 0,0,_a .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");};var _dcfg =[]byte ("\u0030\u0031\u0032\u003345\u0036\u0037\u0038\u0039\u0061\u0062\u0063\u0064\u0065\u0066\u0041\u0042\u0043\u0044E\u0046");


// 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 _cdfa (_aaeg PdfObject ,_gbac int ,_bfab map[PdfObject ]struct{})error {_ag .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",_gbac );
if _ ,_ecfdc :=_bfab [_aaeg ];_ecfdc {_ag .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_bfab [_aaeg ]=struct{}{};switch _gcbf :=_aaeg .(type ){case *PdfIndirectObject :_gggbg :=_gcbf ;
_ag .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_gggbg );_ag .Log .Trace ("\u002d\u0020\u0025\u0073",_gggbg .PdfObject );return _cdfa (_gggbg .PdfObject ,_gbac +1,_bfab );case *PdfObjectStream :_adfgf :=_gcbf ;return _cdfa (_adfgf .PdfObjectDictionary ,_gbac +1,_bfab );
case *PdfObjectDictionary :_cdbg :=_gcbf ;_ag .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_cdbg );for _ ,_dabf :=range _cdbg .Keys (){_gbfg :=_cdbg .Get (_dabf );if _cegf ,_aabdf :=_gbfg .(*PdfObjectReference );_aabdf {_cfbfg :=_cegf .Resolve ();
_cdbg .Set (_dabf ,_cfbfg );_fcfdd :=_cdfa (_cfbfg ,_gbac +1,_bfab );if _fcfdd !=nil {return _fcfdd ;};}else {_ecfdf :=_cdfa (_gbfg ,_gbac +1,_bfab );if _ecfdf !=nil {return _ecfdf ;};};};return nil ;case *PdfObjectArray :_adbba :=_gcbf ;_ag .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_adbba );
for _dgbe ,_efffe :=range _adbba .Elements (){if _ceebf ,_bdcf :=_efffe .(*PdfObjectReference );_bdcf {_dfadg :=_ceebf .Resolve ();_adbba .Set (_dgbe ,_dfadg );_aeab :=_cdfa (_dfadg ,_gbac +1,_bfab );if _aeab !=nil {return _aeab ;};}else {_bdadf :=_cdfa (_efffe ,_gbac +1,_bfab );
if _bdadf !=nil {return _bdadf ;};};};return nil ;case *PdfObjectReference :_ag .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 _a .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};return nil ;};var _bgca =_ge .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");

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

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

// String returns a string representation of `name`.
func (_ecea *PdfObjectName )String ()string {return string (*_ecea )};func _gcafc (_bdfa PdfObject ,_gabea int )PdfObject {if _gabea > _cbcd {_ag .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",_cbcd );
return MakeNull ();};switch _fabee :=_bdfa .(type ){case *PdfIndirectObject :_bdfa =_gcafc ((*_fabee ).PdfObject ,_gabea +1);case *PdfObjectArray :for _aebe ,_ccea :=range (*_fabee )._eadb {(*_fabee )._eadb [_aebe ]=_gcafc (_ccea ,_gabea +1);};case *PdfObjectDictionary :for _ddcb ,_bgccc :=range (*_fabee )._bage {(*_fabee )._bage [_ddcb ]=_gcafc (_bgccc ,_gabea +1);
};_f .Slice ((*_fabee )._dgbfb ,func (_efee ,_cbdad int )bool {return (*_fabee )._dgbfb [_efee ]< (*_fabee )._dgbfb [_cbdad ]});};return _bdfa ;};

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_gfg *FlateEncoder )MakeDecodeParams ()PdfObject {if _gfg .Predictor > 1{_ecg :=MakeDict ();_ecg .Set ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr",MakeInteger (int64 (_gfg .Predictor )));if _gfg .BitsPerComponent !=8{_ecg .Set ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074",MakeInteger (int64 (_gfg .BitsPerComponent )));
};if _gfg .Columns !=1{_ecg .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_gfg .Columns )));};if _gfg .Colors !=1{_ecg .Set ("\u0043\u006f\u006c\u006f\u0072\u0073",MakeInteger (int64 (_gfg .Colors )));};return _ecg ;};return nil ;};
func (_acgg *PdfParser )parseHexString ()(*PdfObjectString ,error ){_acgg ._ceec .ReadByte ();var _bfece _gg .Buffer ;for {_eacg ,_bfcd :=_acgg ._ceec .Peek (1);if _bfcd !=nil {return MakeString (""),_bfcd ;};if _eacg [0]=='>'{_acgg ._ceec .ReadByte ();
break ;};_ggggb ,_ :=_acgg ._ceec .ReadByte ();if _acgg ._gddf {if _gg .IndexByte (_dcfg ,_ggggb )==-1{_acgg ._fcee ._cbe =true ;};};if !IsWhiteSpace (_ggggb ){_bfece .WriteByte (_ggggb );};};if _bfece .Len ()%2==1{_acgg ._fcee ._gbgfgb =true ;_bfece .WriteRune ('0');
};_feefe ,_ :=_dg .DecodeString (_bfece .String ());return MakeHexString (string (_feefe )),nil ;};func (_fdec *PdfParser )parseXrefStream (_fbgf *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _fbgf !=nil {_ag .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",_fbgf );
_fdec ._ggbg .Seek (int64 (*_fbgf ),_e .SeekStart );_fdec ._ceec =_fcg .NewReader (_fdec ._ggbg );};_ffeac :=_fdec .GetFileOffset ();_caba ,_feeg :=_fdec .ParseIndirectObject ();if _feeg !=nil {_ag .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 ,_a .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");};_ag .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_caba );
_dbd ,_bdcb :=_caba .(*PdfObjectStream );if !_bdcb {_ag .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 ,_a .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");};_aged :=_dbd .PdfObjectDictionary ;
_dfgba ,_bdcb :=_dbd .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_bdcb {_ag .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 ,_a .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 (*_dfgba )> 8388607{_ag .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",*_dfgba );
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_dcdga :=_dbd .PdfObjectDictionary .Get ("\u0057");_bccf ,_bdcb :=_dcdga .(*PdfObjectArray );if !_bdcb {return nil ,_a .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_fcbd :=_bccf .Len ();if _fcbd !=3{_ag .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",_fcbd );
return nil ,_a .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 _bgcad []int64 ;for _fdgb :=0;_fdgb < 3;
_fdgb ++{_ddcf ,_agabc :=GetInt (_bccf .Get (_fdgb ));if !_agabc {return nil ,_a .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_bgcad =append (_bgcad ,int64 (*_ddcf ));};_cdge ,_feeg :=DecodeStream (_dbd );
if _feeg !=nil {_ag .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",_feeg );return nil ,_feeg ;};_dbagg :=int (_bgcad [0]);
_eada :=int (_bgcad [0]+_bgcad [1]);_gfbef :=int (_bgcad [0]+_bgcad [1]+_bgcad [2]);_gbdce :=int (_bgcad [0]+_bgcad [1]+_bgcad [2]);if _dbagg < 0||_eada < 0||_gfbef < 0{_ag .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",_dbagg ,_eada ,_gfbef );
return nil ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _gbdce ==0{_ag .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 _aged ,nil ;};_edee :=len (_cdge )/_gbdce ;_aefa :=0;_cacca :=_dbd .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _dec []int ;if _cacca !=nil {_ag .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_cacca );_eebc ,_befa :=_cacca .(*PdfObjectArray );
if !_befa {_ag .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 ,_a .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _eebc .Len ()%2!=0{_ag .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 ,_a .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_aefa =0;_fcbc ,_cfge :=_eebc .ToIntegerArray ();if _cfge !=nil {_ag .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",_cfge );
return nil ,_cfge ;};for _gefa :=0;_gefa < len (_fcbc );_gefa +=2{_dbee :=_fcbc [_gefa ];_deae :=_fcbc [_gefa +1];for _decc :=0;_decc < _deae ;_decc ++{_dec =append (_dec ,_dbee +_decc );};_aefa +=_deae ;};}else {for _efae :=0;_efae < int (*_dfgba );_efae ++{_dec =append (_dec ,_efae );
};_aefa =int (*_dfgba );};if _edee ==_aefa +1{_ag .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");
_ffbeg :=_aefa -1;for _ ,_accg :=range _dec {if _accg > _ffbeg {_ffbeg =_accg ;};};_dec =append (_dec ,_ffbeg +1);_aefa ++;};if _edee !=len (_dec ){_ag .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",_edee ,len (_dec ));
return nil ,_a .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");};_ag .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_aefa );
_ag .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_dec );_cdcb :=func (_eadag []byte )int64 {var _dcca int64 ;for _egdgb :=0;_egdgb < len (_eadag );_egdgb ++{_dcca +=int64 (_eadag [_egdgb ])*(1<<uint (8*(len (_eadag )-_egdgb -1)));
};return _dcca ;};_ag .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_cdge ));_aaac :=0;for _fcedd :=0;_fcedd < len (_cdge );_fcedd +=_gbdce {_gefd :=_aaab (len (_cdge ),_fcedd ,_fcedd +_dbagg );
if _gefd !=nil {_ag .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_gefd );return nil ,_gefd ;};_edcc :=_cdge [_fcedd :_fcedd +_dbagg ];_gefd =_aaab (len (_cdge ),_fcedd +_dbagg ,_fcedd +_eada );
if _gefd !=nil {_ag .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_gefd );return nil ,_gefd ;};_eegf :=_cdge [_fcedd +_dbagg :_fcedd +_eada ];_gefd =_aaab (len (_cdge ),_fcedd +_eada ,_fcedd +_gfbef );
if _gefd !=nil {_ag .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_gefd );return nil ,_gefd ;};_faeg :=_cdge [_fcedd +_eada :_fcedd +_gfbef ];_abde :=_cdcb (_edcc );
_eeda :=_cdcb (_eegf );_agcc :=_cdcb (_faeg );if _bgcad [0]==0{_abde =1;};if _aaac >=len (_dec ){_ag .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 ;};_dfadb :=_dec [_aaac ];_aaac ++;_ag .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_dfadb ,_edcc );_ag .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_dfadb ,_eegf );_ag .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_dfadb ,_faeg );
_ag .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_dfadb ,_abde ,_eeda ,_agcc );if _abde ==0{_ag .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 _abde ==1{_ag .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",_eegf );if _eeda ==_ffeac {_ag .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",_dfadb ,_dbd .ObjectNumber );
_dfadb =int (_dbd .ObjectNumber );};if _adgf ,_dabc :=_fdec ._eegca .ObjectMap [_dfadb ];!_dabc ||int (_agcc )> _adgf .Generation {_gabac :=XrefObject {ObjectNumber :_dfadb ,XType :XrefTypeTableEntry ,Offset :_eeda ,Generation :int (_agcc )};_fdec ._eegca .ObjectMap [_dfadb ]=_gabac ;
};}else if _abde ==2{_ag .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 _ ,_geaa :=_fdec ._eegca .ObjectMap [_dfadb ];!_geaa {_fdgeg :=XrefObject {ObjectNumber :_dfadb ,XType :XrefTypeObjectStream ,OsObjNumber :int (_eeda ),OsObjIndex :int (_agcc )};
_fdec ._eegca .ObjectMap [_dfadb ]=_fdgeg ;_ag .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_fdgeg );};}else {_ag .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 _fdec ._cgaga ==nil {_caga :=XrefTypeObjectStream ;_fdec ._cgaga =&_caga ;};return _aged ,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 ;};

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

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

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

// WriteString outputs the object as it is to be written to file.
func (_eedgd *PdfObjectDictionary )WriteString ()string {var _efcdd _gd .Builder ;_efcdd .WriteString ("\u003c\u003c");for _ ,_fcgdb :=range _eedgd ._dgbfb {_abfca :=_eedgd ._bage [_fcgdb ];_efcdd .WriteString (_fcgdb .WriteString ());_efcdd .WriteString ("\u0020");
_efcdd .WriteString (_abfca .WriteString ());};_efcdd .WriteString ("\u003e\u003e");return _efcdd .String ();};

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

// Version represents a version of a PDF standard.
type Version struct{Major int ;Minor int ;};func (_gdfga *PdfParser )parseObject ()(PdfObject ,error ){_ag .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");_gdfga .skipSpaces ();for {_gdaf ,_agca :=_gdfga ._ceec .Peek (2);
if _agca !=nil {if _agca !=_e .EOF ||len (_gdaf )==0{return nil ,_agca ;};if len (_gdaf )==1{_gdaf =append (_gdaf ,' ');};};_ag .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_gdaf ));if _gdaf [0]=='/'{_bgac ,_acaa :=_gdfga .parseName ();
_ag .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_bgac );return &_bgac ,_acaa ;}else if _gdaf [0]=='('{_ag .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");_dgad ,_ede :=_gdfga .parseString ();return _dgad ,_ede ;
}else if _gdaf [0]=='['{_ag .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");_fggf ,_afcd :=_gdfga .parseArray ();return _fggf ,_afcd ;}else if (_gdaf [0]=='<')&&(_gdaf [1]=='<'){_ag .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");
_dagag ,_aeeg :=_gdfga .ParseDict ();return _dagag ,_aeeg ;}else if _gdaf [0]=='<'{_ag .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");_adfgb ,_eddcb :=_gdfga .parseHexString ();return _adfgb ,_eddcb ;}else if _gdaf [0]=='%'{_gdfga .readComment ();
_gdfga .skipSpaces ();}else {_ag .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_gdaf ,_ =_gdfga ._ceec .Peek (15);_aaea :=string (_gdaf );_ag .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_aaea );
if (len (_aaea )> 3)&&(_aaea [:4]=="\u006e\u0075\u006c\u006c"){_dbc ,_dbaa :=_gdfga .parseNull ();return &_dbc ,_dbaa ;}else if (len (_aaea )> 4)&&(_aaea [:5]=="\u0066\u0061\u006cs\u0065"){_begc ,_ebff :=_gdfga .parseBool ();return &_begc ,_ebff ;}else if (len (_aaea )> 3)&&(_aaea [:4]=="\u0074\u0072\u0075\u0065"){_edgg ,_bbfa :=_gdfga .parseBool ();
return &_edgg ,_bbfa ;};_acgb :=_ecedd .FindStringSubmatch (_aaea );if len (_acgb )> 1{_gdaf ,_ =_gdfga ._ceec .ReadBytes ('R');_ag .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_gdaf [:]));_cbbc ,_dbgb :=_ccef (string (_gdaf ));
_cbbc ._fdaa =_gdfga ;return &_cbbc ,_dbgb ;};_adge :=_bgca .FindStringSubmatch (_aaea );if len (_adge )> 1{_ag .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");_bfda ,_bgeg :=_gdfga .parseNumber ();return _bfda ,_bgeg ;};_adge =_beaa .FindStringSubmatch (_aaea );
if len (_adge )> 1{_ag .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");_ag .Log .Trace ("\u0025\u0020\u0073",_adge );_cabc ,_bdgf :=_gdfga .parseNumber ();return _cabc ,_bdgf ;
};_ag .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_aaea );return nil ,_a .New ("\u006f\u0062\u006a\u0065\u0063t\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0065\u0072\u0072\u006fr\u0020\u002d\u0020\u0075\u006e\u0065\u0078\u0070\u0065\u0063\u0074\u0065\u0064\u0020\u0070\u0061\u0074\u0074\u0065\u0072\u006e");
};};};func (_gfggf *PdfParser )xrefNextObjectOffset (_bgge int64 )int64 {_fagdg :=int64 (0);if len (_gfggf ._eegca .ObjectMap )==0{return 0;};if len (_gfggf ._eegca ._fgf )==0{_ggdg :=0;for _ ,_bbfgd :=range _gfggf ._eegca .ObjectMap {if _bbfgd .Offset > 0{_ggdg ++;
};};if _ggdg ==0{return 0;};_gfggf ._eegca ._fgf =make ([]XrefObject ,_ggdg );_abadc :=0;for _ ,_gdbg :=range _gfggf ._eegca .ObjectMap {if _gdbg .Offset > 0{_gfggf ._eegca ._fgf [_abadc ]=_gdbg ;_abadc ++;};};_f .Slice (_gfggf ._eegca ._fgf ,func (_aabd ,_gcce int )bool {return _gfggf ._eegca ._fgf [_aabd ].Offset < _gfggf ._eegca ._fgf [_gcce ].Offset ;
});};_eccbg :=_f .Search (len (_gfggf ._eegca ._fgf ),func (_fbdg int )bool {return _gfggf ._eegca ._fgf [_fbdg ].Offset >=_bgge });if _eccbg < len (_gfggf ._eegca ._fgf ){_fagdg =_gfggf ._eegca ._fgf [_eccbg ].Offset ;};return _fagdg ;};func (_cedee *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){const _bcec =20;
_gbebc ,_ :=_cedee ._ceec .Peek (_bcec );for _edcfg :=0;_edcfg < 2;_edcfg ++{if _cedee ._eafgc ==0{_cedee ._eafgc =_cedee .GetFileOffset ();};if _beedff .Match (_gbebc ){_ag .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");
_ag .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_gbebc ));return _cedee .parseXrefStream (nil );};if _fceb .Match (_gbebc ){_ag .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 _cedee .parseXrefTable ();};_abea :=_cedee .GetFileOffset ();if _cedee ._eafgc ==0{_cedee ._eafgc =_abea ;};_cedee .SetFileOffset (_abea -_bcec );defer _cedee .SetFileOffset (_abea );_cgda ,_ :=_cedee ._ceec .Peek (_bcec );_gbebc =append (_cgda ,_gbebc ...);
};_ag .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 _dcb :=_cedee .repairSeekXrefMarker ();_dcb !=nil {_ag .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_dcb );return nil ,_dcb ;};return _cedee .parseXrefTable ();};func (_fced *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_affa :=_fced ._ceec .Discard (4);
return PdfObjectNull {},_affa ;};var _eabag =_ge .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");

// 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 (_gggaf *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _ecgb []int64 ;for _ ,_gedd :=range _gggaf .Elements (){if _gaca ,_fabdd :=_gedd .(*PdfObjectInteger );_fabdd {_ecgb =append (_ecgb ,int64 (*_gaca ));}else {return nil ,ErrTypeError ;};
};return _ecgb ,nil ;};

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

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

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_eefde *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_aegff :=_gg .NewReader (encoded );var _agfg []byte ;for {_caad ,_dgcc :=_aegff .ReadByte ();if _dgcc !=nil {return nil ,_dgcc ;};if _caad =='>'{break ;};if IsWhiteSpace (_caad ){continue ;
};if (_caad >='a'&&_caad <='f')||(_caad >='A'&&_caad <='F')||(_caad >='0'&&_caad <='9'){_agfg =append (_agfg ,_caad );}else {_ag .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",_caad );
return nil ,_db .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",_caad );};};if len (_agfg )%2==1{_agfg =append (_agfg ,'0');
};_ag .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_agfg );_eebe :=make ([]byte ,_dg .DecodedLen (len (_agfg )));_ ,_defcc :=_dg .Decode (_eebe ,_agfg );if _defcc !=nil {return nil ,_defcc ;};return _eebe ,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 _gbga (obj1 ,obj2 ,0)};

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

// 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 )(_dcad string ,_gbcab bool ){_gfceb ,_gbcab :=TraceToDirectObject (obj ).(*PdfObjectString );if _gbcab {return _gfceb .Str (),true ;};return ;};

// GetFilterName returns the name of the encoding filter.
func (_gbcb *FlateEncoder )GetFilterName ()string {return StreamEncodingFilterNameFlate };func (_eded *PdfParser )getNumbersOfUpdatedObjects (_edccd *PdfParser )([]int ,error ){if _edccd ==nil {return nil ,_a .New ("\u0070\u0072e\u0076\u0069\u006f\u0075\u0073\u0020\u0070\u0061\u0072\u0073\u0065\u0072\u0020\u0063\u0061\u006e\u0027\u0074\u0020\u0062\u0065\u0020nu\u006c\u006c");
};_edeec :=_edccd ._beebd ;_agaf :=make ([]int ,0);_abae :=make (map[int ]interface{});_cccc :=make (map[int ]int64 );for _fbfbc ,_aabb :=range _eded ._eegca .ObjectMap {if _aabb .Offset ==0{if _aabb .OsObjNumber !=0{if _aaaf ,_aaag :=_eded ._eegca .ObjectMap [_aabb .OsObjNumber ];
_aaag {_abae [_aabb .OsObjNumber ]=struct{}{};_cccc [_fbfbc ]=_aaaf .Offset ;}else {return nil ,_a .New ("u\u006ed\u0065\u0066\u0069\u006e\u0065\u0064\u0020\u0078r\u0065\u0066\u0020\u0074ab\u006c\u0065");};};}else {_cccc [_fbfbc ]=_aabb .Offset ;};};for _geda ,_bffd :=range _cccc {if _ ,_bgcf :=_abae [_geda ];
_bgcf {continue ;};if _bffd > _edeec {_agaf =append (_agaf ,_geda );};};return _agaf ,nil ;};var _beaa =_ge .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");


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

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

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

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

// UpdateParams updates the parameter values of the encoder.
func (_gga *JPXEncoder )UpdateParams (params *PdfObjectDictionary ){};type cryptFilters map[string ]_fdb .Filter ;

// EncodeBytes encodes data into ASCII85 encoded format.
func (_aagf *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _dfab _gg .Buffer ;for _afdc :=0;_afdc < len (data );_afdc +=4{_begd :=data [_afdc ];_efcb :=1;_babc :=byte (0);if _afdc +1< len (data ){_babc =data [_afdc +1];_efcb ++;};_egaf :=byte (0);
if _afdc +2< len (data ){_egaf =data [_afdc +2];_efcb ++;};_baed :=byte (0);if _afdc +3< len (data ){_baed =data [_afdc +3];_efcb ++;};_bdef :=(uint32 (_begd )<<24)|(uint32 (_babc )<<16)|(uint32 (_egaf )<<8)|uint32 (_baed );if _bdef ==0{_dfab .WriteByte ('z');
}else {_bgcg :=_aagf .base256Tobase85 (_bdef );for _ ,_gdgd :=range _bgcg [:_efcb +1]{_dfab .WriteByte (_gdgd +'!');};};};_dfab .WriteString ("\u007e\u003e");return _dfab .Bytes (),nil ;};

// DecodeBytes decodes a byte slice from Run length encoding.
//
// 7.4.5 RunLengthDecode Filter
// The RunLengthDecode filter decodes data that has been encoded in a simple byte-oriented format based on run length.
// The encoded data shall be a sequence of runs, where each run shall consist of a length byte followed by 1 to 128
// bytes of data. If the length byte is in the range 0 to 127, the following length + 1 (1 to 128) bytes shall be
// copied literally during decompression. If length is in the range 129 to 255, the following single byte shall be
// copied 257 - length (2 to 128) times during decompression. A length value of 128 shall denote EOD.
func (_bafd *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_fggb :=_gg .NewReader (encoded );var _bdf []byte ;for {_abfa ,_bga :=_fggb .ReadByte ();if _bga !=nil {return nil ,_bga ;};if _abfa > 128{_baff ,_aff :=_fggb .ReadByte ();if _aff !=nil {return nil ,_aff ;
};for _fcgf :=0;_fcgf < 257-int (_abfa );_fcgf ++{_bdf =append (_bdf ,_baff );};}else if _abfa < 128{for _aeaf :=0;_aeaf < int (_abfa )+1;_aeaf ++{_egfb ,_eeca :=_fggb .ReadByte ();if _eeca !=nil {return nil ,_eeca ;};_bdf =append (_bdf ,_egfb );};}else {break ;
};};return _bdf ,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 )(_bccg *PdfObjectStreams ,_cfee bool ){_bccg ,_cfee =obj .(*PdfObjectStreams );return _bccg ,_cfee ;};

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

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

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