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 (_cb "bufio";_bad "bytes";_cf "compress/lzw";_fe "compress/zlib";_ce "crypto/md5";_feb "crypto/rand";_ee "encoding/hex";_e "errors";_df "fmt";_ca "github.com/unidoc/unipdf/v3/common";_bgcc "github.com/unidoc/unipdf/v3/core/security";
_ag "github.com/unidoc/unipdf/v3/core/security/crypt";_ab "github.com/unidoc/unipdf/v3/internal/ccittfax";_fbb "github.com/unidoc/unipdf/v3/internal/imageutil";_bgc "github.com/unidoc/unipdf/v3/internal/jbig2";_bf "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";
_cg "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";_dd "github.com/unidoc/unipdf/v3/internal/jbig2/document";_bg "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_fb "github.com/unidoc/unipdf/v3/internal/strutils";_dae "golang.org/x/image/tiff/lzw";
_da "golang.org/x/xerrors";_ef "image";_fg "image/color";_gg "image/jpeg";_fa "io";_a "io/ioutil";_f "reflect";_c "regexp";_b "sort";_fc "strconv";_ba "strings";_d "sync";_cfg "time";_ea "unicode";);

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

// GetXrefOffset returns the offset of the xref table.
func (_gccf *PdfParser )GetXrefOffset ()int64 {return _gccf ._ffdc };var (ErrUnsupportedEncodingParameters =_e .New ("\u0075\u006e\u0073u\u0070\u0070\u006f\u0072t\u0065\u0064\u0020\u0065\u006e\u0063\u006fd\u0069\u006e\u0067\u0020\u0070\u0061\u0072\u0061\u006d\u0065\u0074\u0065\u0072\u0073");
ErrNoCCITTFaxDecode =_e .New ("\u0043\u0043I\u0054\u0054\u0046\u0061\u0078\u0044\u0065\u0063\u006f\u0064\u0065\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0069\u0073\u0020\u006e\u006f\u0074\u0020\u0079\u0065\u0074\u0020\u0069\u006d\u0070\u006c\u0065\u006d\u0065\u006e\u0074\u0065\u0064");
ErrNoJBIG2Decode =_e .New ("\u004a\u0042\u0049\u0047\u0032\u0044\u0065c\u006f\u0064\u0065 \u0065\u006e\u0063\u006fd\u0069\u006e\u0067\u0020\u0069\u0073\u0020\u006e\u006f\u0074\u0020\u0079\u0065\u0074\u0020\u0069\u006d\u0070\u006c\u0065\u006d\u0065\u006e\u0074\u0065\u0064");
ErrNoJPXDecode =_e .New ("\u004a\u0050\u0058\u0044\u0065c\u006f\u0064\u0065\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067\u0020i\u0073\u0020\u006e\u006f\u0074\u0020\u0079\u0065\u0074\u0020\u0069\u006d\u0070\u006c\u0065\u006d\u0065\u006e\u0074\u0065\u0064");
ErrNoPdfVersion =_e .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_e .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_da .New ("\u0066\u0065\u0061t\u0075\u0072\u0065\u0020n\u006f\u0074\u0020\u0063\u0075\u0072\u0072e\u006e\u0074\u006c\u0079\u0020\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064");ErrNotANumber =_e .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);

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

// MakeArrayFromIntegers creates an PdfObjectArray from a slice of ints, where each array element is
// an PdfObjectInteger.
func MakeArrayFromIntegers (vals []int )*PdfObjectArray {_gcge :=MakeArray ();for _ ,_gbdcd :=range vals {_gcge .Append (MakeInteger (int64 (_gbdcd )));};return _gcge ;};var _cedag =[]byte ("\u0030\u0031\u0032\u003345\u0036\u0037\u0038\u0039\u0061\u0062\u0063\u0064\u0065\u0066\u0041\u0042\u0043\u0044E\u0046");


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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_ggbf *MultiEncoder )MakeDecodeParams ()PdfObject {if len (_ggbf ._fabc )==0{return nil ;};if len (_ggbf ._fabc )==1{return _ggbf ._fabc [0].MakeDecodeParams ();};_dfeg :=MakeArray ();_dgac :=true ;for _ ,_afgf :=range _ggbf ._fabc {_ffed :=_afgf .MakeDecodeParams ();
if _ffed ==nil {_dfeg .Append (MakeNull ());}else {_dgac =false ;_dfeg .Append (_ffed );};};if _dgac {return nil ;};return _dfeg ;};const (_aga =0;_dddd =1;_egee =2;_fbbge =3;_feed =4;);func (_bcb *limitedReadSeeker )getError (_edgb int64 )error {switch {case _edgb < 0:return _df .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",_edgb );
case _edgb > _bcb ._aaaf :return _df .Errorf ("u\u006e\u0065\u0078\u0070ec\u0074e\u0064\u0020\u006f\u0066\u0066s\u0065\u0074\u003a\u0020\u0025\u0064",_edgb );};return nil ;};

// PdfObjectInteger represents the primitive PDF integer numerical object.
type PdfObjectInteger int64 ;func (_ececf *PdfObjectInteger )String ()string {return _df .Sprintf ("\u0025\u0064",*_ececf )};

// ReadBytesAt reads byte content at specific offset and length within the PDF.
func (_gfec *PdfParser )ReadBytesAt (offset ,len int64 )([]byte ,error ){_bbge :=_gfec .GetFileOffset ();_ ,_beg :=_gfec ._adgc .Seek (offset ,_fa .SeekStart );if _beg !=nil {return nil ,_beg ;};_egdc :=make ([]byte ,len );_ ,_beg =_fa .ReadAtLeast (_gfec ._adgc ,_egdc ,int (len ));
if _beg !=nil {return nil ,_beg ;};_gfec .SetFileOffset (_bbge );return _egdc ,nil ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_gegd *RunLengthEncoder )MakeDecodeParams ()PdfObject {return nil };func (_bae *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_acaef :=_bae ._dbeed .Discard (4);return PdfObjectNull {},_acaef ;};

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

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_bcced string ;_agege bool ;};func (_eaab *PdfCrypt )isEncrypted (_cead PdfObject )bool {_ ,_fbe :=_eaab ._bde [_cead ];if _fbe {_ca .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};_ca .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");return false ;};

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

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

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_bcfgf map[PdfObjectName ]PdfObject ;_bdae []PdfObjectName ;_fdca *_d .Mutex ;_dgabc *PdfParser ;};

// 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 )(_cgfff *PdfObjectStreams ,_acce bool ){_cgfff ,_acce =obj .(*PdfObjectStreams );return _cgfff ,_acce ;};

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

// HasInvalidSeparationAfterXRef implements core.ParserMetadata interface.
func (_dfb ParserMetadata )HasInvalidSeparationAfterXRef ()bool {return _dfb ._eefc };

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

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

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

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

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

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

// ParserMetadata is the parser based metadata information about document.
// The data here could be used on document verification.
type ParserMetadata struct{_fge int ;_ccef bool ;_ddee [4]byte ;_cdc bool ;_ebe bool ;_dgg bool ;_ccec bool ;_egfc bool ;_eefc bool ;};

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

// Remove removes an element specified by key.
func (_geae *PdfObjectDictionary )Remove (key PdfObjectName ){_cbdc :=-1;for _begbd ,_edcf :=range _geae ._bdae {if _edcf ==key {_cbdc =_begbd ;break ;};};if _cbdc >=0{_geae ._bdae =append (_geae ._bdae [:_cbdc ],_geae ._bdae [_cbdc +1:]...);delete (_geae ._bcfgf ,key );
};};

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

// 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 _dcgag _bad .Buffer ;_dcgag .Write ([]byte {0xFE,0xFF});_dcgag .WriteString (_fb .StringToUTF16 (s ));return &PdfObjectString {_bcced :_dcgag .String (),_agege :true };};
return &PdfObjectString {_bcced :string (_fb .StringToPDFDocEncoding (s )),_agege :false };};func (_dfdc *PdfParser )inspect ()(map[string ]int ,error ){_ca .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");
_ca .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_afdc :=map[string ]int {};_eeab :=0;_dgfa :=0;var _ddcbc []int ;for _dadbf :=range _dfdc ._fgfa .ObjectMap {_ddcbc =append (_ddcbc ,_dadbf );};_b .Ints (_ddcbc );_cgdd :=0;
for _ ,_fffab :=range _ddcbc {_cdebf :=_dfdc ._fgfa .ObjectMap [_fffab ];if _cdebf .ObjectNumber ==0{continue ;};_eeab ++;_ca .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_ca .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",_cdebf .ObjectNumber );
_dcec ,_beafc :=_dfdc .LookupByNumber (_cdebf .ObjectNumber );if _beafc !=nil {_ca .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",_cdebf .ObjectNumber ,_beafc );
_dgfa ++;continue ;};_ca .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_dcec );_dfag ,_deagc :=_dcec .(*PdfIndirectObject );if _deagc {_ca .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_cdebf .ObjectNumber ,_dfag );
_egba ,_cecbe :=_dfag .PdfObject .(*PdfObjectDictionary );if _cecbe {if _bffd ,_ffedf :=_egba .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_ffedf {_beeg :=string (*_bffd );_ca .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_beeg );
_ ,_cdcacc :=_afdc [_beeg ];if _cdcacc {_afdc [_beeg ]++;}else {_afdc [_beeg ]=1;};}else if _gagb ,_babe :=_egba .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_babe {_fcceee :=string (*_gagb );_ca .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_fcceee );
_ ,_gebbg :=_afdc [_fcceee ];if _gebbg {_afdc [_fcceee ]++;}else {_afdc [_fcceee ]=1;};};if _fbeed ,_fcea :=_egba .Get ("\u0053").(*PdfObjectName );_fcea &&*_fbeed =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_degd :=_afdc ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _degd {_afdc ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_afdc ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _becff ,_bffc :=_dcec .(*PdfObjectStream );_bffc {if _gdca ,_bgfb :=_becff .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_bgfb {_ca .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",*_gdca );_dfbeb :=string (*_gdca );_afdc [_dfbeb ]++;};}else {_cege ,_cfac :=_dcec .(*PdfObjectDictionary );
if _cfac {_addbg ,_abdbf :=_cege .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _abdbf {_cdfg :=string (*_addbg );_ca .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_cdfg );_afdc [_cdfg ]++;};};_ca .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_cdebf .ObjectNumber ,_dcec );
};_cgdd ++;};_ca .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");_ca .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");
_ca .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_eeab );_ca .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_dgfa );for _dcee ,_fagf :=range _afdc {_ca .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_dcee ,_fagf );
};_ca .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_dfdc ._fgfa .ObjectMap )< 1{_ca .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 ,_df .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");};_gcdcf ,_bfefd :=_afdc ["\u0046\u006f\u006e\u0074"];
if !_bfefd ||_gcdcf < 2{_ca .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 {_ca .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 _afdc ,nil ;};

// NewFlateEncoder makes a new flate encoder with default parameters, predictor 1 and bits per component 8.
func NewFlateEncoder ()*FlateEncoder {_dggc :=&FlateEncoder {};_dggc .Predictor =1;_dggc .BitsPerComponent =8;_dggc .Colors =1;_dggc .Columns =1;return _dggc ;};func _ddfd (_abeb ,_daead ,_effd uint8 )uint8 {_dgga :=int (_effd );_egdac :=int (_daead )-_dgga ;
_bgdf :=int (_abeb )-_dgga ;_dgga =_acda (_egdac +_bgdf );_egdac =_acda (_egdac );_bgdf =_acda (_bgdf );if _egdac <=_bgdf &&_egdac <=_dgga {return _abeb ;}else if _bgdf <=_dgga {return _daead ;};return _effd ;};

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_cgeb *CCITTFaxEncoder )MakeDecodeParams ()PdfObject {_fcgd :=MakeDict ();_fcgd .Set ("\u004b",MakeInteger (int64 (_cgeb .K )));_fcgd .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_cgeb .Columns )));if _cgeb .BlackIs1 {_fcgd .Set ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031",MakeBool (_cgeb .BlackIs1 ));
};if _cgeb .EncodedByteAlign {_fcgd .Set ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e",MakeBool (_cgeb .EncodedByteAlign ));};if _cgeb .EndOfLine &&_cgeb .K >=0{_fcgd .Set ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee",MakeBool (_cgeb .EndOfLine ));
};if _cgeb .Rows !=0&&!_cgeb .EndOfBlock {_fcgd .Set ("\u0052\u006f\u0077\u0073",MakeInteger (int64 (_cgeb .Rows )));};if !_cgeb .EndOfBlock {_fcgd .Set ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b",MakeBool (_cgeb .EndOfBlock ));};if _cgeb .DamagedRowsBeforeError !=0{_fcgd .Set ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072",MakeInteger (int64 (_cgeb .DamagedRowsBeforeError )));
};return _fcgd ;};func _acda (_gdbd int )int {_bdag :=_gdbd >>(_dffg -1);return (_gdbd ^_bdag )-_bdag };

// MakeStringFromBytes creates an PdfObjectString from a byte array.
// This is more natural than MakeString as `data` is usually not utf-8 encoded.
func MakeStringFromBytes (data []byte )*PdfObjectString {return MakeString (string (data ))};func (_dggab *PdfParser )parseArray ()(*PdfObjectArray ,error ){_cgac :=MakeArray ();_dggab ._dbeed .ReadByte ();for {_dggab .skipSpaces ();_fdbb ,_gggc :=_dggab ._dbeed .Peek (1);
if _gggc !=nil {return _cgac ,_gggc ;};if _fdbb [0]==']'{_dggab ._dbeed .ReadByte ();break ;};_ccee ,_gggc :=_dggab .parseObject ();if _gggc !=nil {return _cgac ,_gggc ;};_cgac .Append (_ccee );};return _cgac ,nil ;};

// EncodeBytes ASCII encodes the passed in slice of bytes.
func (_fgf *ASCIIHexEncoder )EncodeBytes (data []byte )([]byte ,error ){var _fef _bad .Buffer ;for _ ,_fdfc :=range data {_fef .WriteString (_df .Sprintf ("\u0025\u002e\u0032X\u0020",_fdfc ));};_fef .WriteByte ('>');return _fef .Bytes (),nil ;};func (_ffgd *PdfParser )checkPostEOFData ()error {const _fag ="\u0025\u0025\u0045O\u0046";
_ ,_gea :=_ffgd ._adgc .Seek (-int64 (len ([]byte (_fag )))-1,_fa .SeekEnd );if _gea !=nil {return _gea ;};_dccf :=make ([]byte ,len ([]byte (_fag ))+1);_ ,_gea =_ffgd ._adgc .Read (_dccf );if _gea !=nil {if _gea !=_fa .EOF {return _gea ;};};if string (_dccf )==_fag ||string (_dccf )==_fag +"\u000a"{_ffgd ._bagce ._cdc =true ;
};return nil ;};func (_fffea *PdfParser )readComment ()(string ,error ){var _bbbba _bad .Buffer ;_ ,_ffdcf :=_fffea .skipSpaces ();if _ffdcf !=nil {return _bbbba .String (),_ffdcf ;};_bced :=true ;for {_ggfde ,_ffbd :=_fffea ._dbeed .Peek (1);if _ffbd !=nil {_ca .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_ffbd .Error ());
return _bbbba .String (),_ffbd ;};if _bced &&_ggfde [0]!='%'{return _bbbba .String (),_e .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");};_bced =false ;
if (_ggfde [0]!='\r')&&(_ggfde [0]!='\n'){_daeg ,_ :=_fffea ._dbeed .ReadByte ();_bbbba .WriteByte (_daeg );}else {break ;};};return _bbbba .String (),nil ;};func _efef (_cfccg _fa .ReadSeeker ,_dfea int64 )(*offsetReader ,error ){_ddaba :=&offsetReader {_dfac :_cfccg ,_bbcab :_dfea };
_ ,_dfeb :=_ddaba .Seek (0,_fa .SeekStart );return _ddaba ,_dfeb ;};

// 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 ){_abcce :=&PdfObjectStream {};if encoder ==nil {encoder =NewRawEncoder ();};_abcce .PdfObjectDictionary =encoder .MakeStreamDict ();_egeg ,_bgebb :=encoder .EncodeBytes (contents );
if _bgebb !=nil {return nil ,_bgebb ;};_abcce .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_egeg ))));_abcce .Stream =_egeg ;return _abcce ,nil ;};func (_abfa *PdfParser )repairSeekXrefMarker ()error {_cecec ,_caff :=_abfa ._adgc .Seek (0,_fa .SeekEnd );
if _caff !=nil {return _caff ;};_fbae :=_c .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");var _aaag int64 ;var _gfbe int64 =1000;for _aaag < _cecec {if _cecec <=(_gfbe +_aaag ){_gfbe =_cecec -_aaag ;};_ ,_fda :=_abfa ._adgc .Seek (-_aaag -_gfbe ,_fa .SeekEnd );
if _fda !=nil {return _fda ;};_dgefa :=make ([]byte ,_gfbe );_abfa ._adgc .Read (_dgefa );_ca .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_dgefa ));
_edef :=_fbae .FindAllStringIndex (string (_dgefa ),-1);if _edef !=nil {_ffbef :=_edef [len (_edef )-1];_ca .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_edef );_abfa ._adgc .Seek (-_aaag -_gfbe +int64 (_ffbef [0]),_fa .SeekEnd );_abfa ._dbeed =_cb .NewReader (_abfa ._adgc );
for {_acgaf ,_ecfda :=_abfa ._dbeed .Peek (1);if _ecfda !=nil {return _ecfda ;};_ca .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_acgaf [0],_acgaf [0]);if !IsWhiteSpace (_acgaf [0]){break ;};_abfa ._dbeed .Discard (1);};return nil ;};
_ca .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");
_aaag +=_gfbe ;};_ca .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u003a\u0020\u0058\u0072\u0065\u0066\u0020\u0074a\u0062\u006c\u0065\u0020\u006d\u0061r\u006b\u0065\u0072\u0020\u0077\u0061\u0073\u0020\u006e\u006f\u0074\u0020\u0066o\u0075\u006e\u0064\u002e");
return _e .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};func _ddgbb (_eebde PdfObject )(*float64 ,error ){switch _eefg :=_eebde .(type ){case *PdfObjectFloat :_egca :=float64 (*_eefg );return &_egca ,nil ;case *PdfObjectInteger :_cfed :=float64 (*_eefg );
return &_cfed ,nil ;case *PdfObjectNull :return nil ,nil ;};return nil ,ErrNotANumber ;};

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

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

// GoImageToJBIG2 creates a binary image on the base of 'i' golang image.Image.
// If the image is not a black/white image then the function converts provided input into
// JBIG2Image with 1bpp. For non grayscale images the function performs the conversion to the grayscale temp image.
// Then it checks the value of the gray image value if it's within bounds of the black white threshold.
// This 'bwThreshold' value should be in range (0.0, 1.0). The threshold checks if the grayscale pixel (uint) value
// is greater or smaller than 'bwThreshold' * 255. Pixels inside the range will be white, and the others will be black.
// If the 'bwThreshold' is equal to -1.0 - JB2ImageAutoThreshold then it's value would be set on the base of
// it's histogram using Triangle method. For more information go to:
// 	https://www.mathworks.com/matlabcentral/fileexchange/28047-gray-image-thresholding-using-the-triangle-method
func GoImageToJBIG2 (i _ef .Image ,bwThreshold float64 )(*JBIG2Image ,error ){const _dddb ="\u0047\u006f\u0049\u006d\u0061\u0067\u0065\u0054\u006fJ\u0042\u0049\u0047\u0032";if i ==nil {return nil ,_bg .Error (_dddb ,"i\u006d\u0061\u0067\u0065 '\u0069'\u0020\u006e\u006f\u0074\u0020d\u0065\u0066\u0069\u006e\u0065\u0064");
};var (_bdde uint8 ;_aega _fbb .Image ;_adac error ;);if bwThreshold ==JB2ImageAutoThreshold {_aega ,_adac =_fbb .MonochromeConverter .Convert (i );}else if bwThreshold > 1.0||bwThreshold < 0.0{return nil ,_bg .Error (_dddb ,"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 {_bdde =uint8 (255*bwThreshold );_aega ,_adac =_fbb .MonochromeThresholdConverter (_bdde ).Convert (i );};if _adac !=nil {return nil ,_adac ;};return _baggg (_aega ),nil ;};

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

// 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 ;};

// Clear resets the array to an empty state.
func (_caga *PdfObjectArray )Clear (){_caga ._dcef =[]PdfObject {}};func _gdda (_decg _fa .ReadSeeker ,_egcb int64 )(*limitedReadSeeker ,error ){_ ,_bdfbf :=_decg .Seek (0,_fa .SeekStart );if _bdfbf !=nil {return nil ,_bdfbf ;};return &limitedReadSeeker {_cdaae :_decg ,_aaaf :_egcb },nil ;
};

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

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

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

// For predictors
Columns int ;Rows int ;Colors int ;_bbgbf *_fbb .ImageBase ;};

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

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

// 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 ;_ad []XrefObject ;};

// DecodeStream decodes a FlateEncoded stream object and give back decoded bytes.
func (_gbe *FlateEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_ca .Log .Trace ("\u0046l\u0061t\u0065\u0044\u0065\u0063\u006fd\u0065\u0020s\u0074\u0072\u0065\u0061\u006d");_ca .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_gbe .Predictor );
if _gbe .BitsPerComponent !=8{return nil ,_df .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",_gbe .BitsPerComponent );
};_cbfb ,_ecba :=_gbe .DecodeBytes (streamObj .Stream );if _ecba !=nil {return nil ,_ecba ;};_cbfb ,_ecba =_gbe .postDecodePredict (_cbfb );if _ecba !=nil {return nil ,_ecba ;};return _cbfb ,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 _bbfcd (obj1 ,obj2 ,0)};

// GetFilterName returns the name of the encoding filter.
func (_cbdg *CCITTFaxEncoder )GetFilterName ()string {return StreamEncodingFilterNameCCITTFax };func _edfb (_efeg PdfObject ,_dgbb int ,_gbeca map[PdfObject ]struct{})error {_ca .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",_dgbb );
if _ ,_bdcag :=_gbeca [_efeg ];_bdcag {_ca .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_gbeca [_efeg ]=struct{}{};switch _bcea :=_efeg .(type ){case *PdfIndirectObject :_efcc :=_bcea ;
_ca .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_efcc );_ca .Log .Trace ("\u002d\u0020\u0025\u0073",_efcc .PdfObject );return _edfb (_efcc .PdfObject ,_dgbb +1,_gbeca );case *PdfObjectStream :_eagde :=_bcea ;return _edfb (_eagde .PdfObjectDictionary ,_dgbb +1,_gbeca );
case *PdfObjectDictionary :_gebe :=_bcea ;_ca .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_gebe );for _ ,_cfdc :=range _gebe .Keys (){_aadba :=_gebe .Get (_cfdc );if _ffec ,_geaed :=_aadba .(*PdfObjectReference );_geaed {_aagf :=_ffec .Resolve ();
_gebe .Set (_cfdc ,_aagf );_baba :=_edfb (_aagf ,_dgbb +1,_gbeca );if _baba !=nil {return _baba ;};}else {_bfgaa :=_edfb (_aadba ,_dgbb +1,_gbeca );if _bfgaa !=nil {return _bfgaa ;};};};return nil ;case *PdfObjectArray :_dfgad :=_bcea ;_ca .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_dfgad );
for _cdcac ,_fbdfe :=range _dfgad .Elements (){if _deadd ,_agecb :=_fbdfe .(*PdfObjectReference );_agecb {_fefc :=_deadd .Resolve ();_dfgad .Set (_cdcac ,_fefc );_egbgg :=_edfb (_fefc ,_dgbb +1,_gbeca );if _egbgg !=nil {return _egbgg ;};}else {_agfc :=_edfb (_fbdfe ,_dgbb +1,_gbeca );
if _agfc !=nil {return _agfc ;};};};return nil ;case *PdfObjectReference :_ca .Log .Debug ("E\u0052\u0052\u004f\u0052\u003a\u0020T\u0072\u0061\u0063\u0069\u006e\u0067\u0020\u0061\u0020r\u0065\u0066\u0065r\u0065n\u0063\u0065\u0021");return _e .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};return nil ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_cggc *DCTEncoder )MakeDecodeParams ()PdfObject {return nil };func (_egcf *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_egcf ._fgfa .ObjectMap =make (map[int ]XrefObject );_egcf ._gafcg =make (objectStreams );_egfd ,_cacc :=_egcf ._adgc .Seek (0,_fa .SeekEnd );
if _cacc !=nil {return nil ,_cacc ;};_ca .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_egfd );_egcf ._ggag =_egfd ;_cacc =_egcf .seekToEOFMarker (_egfd );if _cacc !=nil {_ca .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",_cacc );
return nil ,_cacc ;};_dbbf ,_cacc :=_egcf ._adgc .Seek (0,_fa .SeekCurrent );if _cacc !=nil {return nil ,_cacc ;};var _fcce int64 =64;_ffcf :=_dbbf -_fcce ;if _ffcf < 0{_ffcf =0;};_ ,_cacc =_egcf ._adgc .Seek (_ffcf ,_fa .SeekStart );if _cacc !=nil {return nil ,_cacc ;
};_efag :=make ([]byte ,_fcce );_ ,_cacc =_egcf ._adgc .Read (_efag );if _cacc !=nil {_ca .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",_cacc );
return nil ,_cacc ;};_gagg :=_aabf .FindStringSubmatch (string (_efag ));if len (_gagg )< 2{_ca .Log .Debug ("E\u0072\u0072\u006f\u0072\u003a\u0020s\u0074\u0061\u0072\u0074\u0078\u0072\u0065\u0066\u0020n\u006f\u0074\u0020f\u006fu\u006e\u0064\u0021");return nil ,_e .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};if len (_gagg )> 2{_ca .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",_efag );return nil ,_e .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");
};_cbea ,_ :=_fc .ParseInt (_gagg [1],10,64);_ca .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_cbea );if _cbea > _egfd {_ca .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");
_ca .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");_cbea ,_cacc =_egcf .repairLocateXref ();if _cacc !=nil {_ca .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 ,_cacc ;};};_egcf ._adgc .Seek (_cbea ,_fa .SeekStart );_egcf ._dbeed =_cb .NewReader (_egcf ._adgc );_agbdc ,_cacc :=_egcf .parseXref ();if _cacc !=nil {return nil ,_cacc ;};_bbfc :=_agbdc .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");if _bbfc !=nil {_ebbf ,_aeff :=_bbfc .(*PdfObjectInteger );
if !_aeff {return nil ,_e .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_cacc =_egcf .parseXrefStream (_ebbf );if _cacc !=nil {return nil ,_cacc ;};};var _gdde []int64 ;_cddbe :=func (_eaad int64 ,_acbe []int64 )bool {for _ ,_bcda :=range _acbe {if _bcda ==_eaad {return true ;
};};return false ;};_bbfc =_agbdc .Get ("\u0050\u0072\u0065\u0076");for _bbfc !=nil {_bbff ,_gdef :=_bbfc .(*PdfObjectInteger );if !_gdef {_ca .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",_bbfc );
return _agbdc ,nil ;};_agbae :=*_bbff ;_ca .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",_agbae );_egcf ._adgc .Seek (int64 (_agbae ),_fa .SeekStart );
_egcf ._dbeed =_cb .NewReader (_egcf ._adgc );_afea ,_cefgf :=_egcf .parseXref ();if _cefgf !=nil {_ca .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");
_ca .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 ;};_egcf ._ccbee =append (_egcf ._ccbee ,int64 (_agbae ));
_bbfc =_afea .Get ("\u0050\u0072\u0065\u0076");if _bbfc !=nil {_eebd :=*(_bbfc .(*PdfObjectInteger ));if _cddbe (int64 (_eebd ),_gdde ){_ca .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 ;};_gdde =append (_gdde ,int64 (_eebd ));};};return _agbdc ,nil ;};const _cd ="\u0053\u0074\u0064C\u0046";func (_fgd *PdfCrypt )isDecrypted (_ccc PdfObject )bool {_ ,_ege :=_fgd ._cagc [_ccc ];if _ege {_ca .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};switch _dbf :=_ccc .(type ){case *PdfObjectStream :if _fgd ._acb .R !=5{if _dbg ,_dagfd :=_dbf .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_dagfd &&*_dbg =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_ege =_fgd ._fae [int (_dbf .ObjectNumber )];
_ege {return true ;};switch _afa :=_dbf .PdfObject .(type ){case *PdfObjectDictionary :_dage :=true ;for _ ,_egb :=range _fbgg {if _afa .Get (_egb )==nil {_dage =false ;break ;};};if _dage {return true ;};};};_ca .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};

// IsOctalDigit checks if a character can be part of an octal digit string.
func IsOctalDigit (c byte )bool {return '0'<=c &&c <='7'};func _aeaf (_bccb _ag .Filter ,_fegbe _bgcc .AuthEvent )*PdfObjectDictionary {if _fegbe ==""{_fegbe =_bgcc .EventDocOpen ;};_eee :=MakeDict ();_eee .Set ("\u0054\u0079\u0070\u0065",MakeName ("C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"));
_eee .Set ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et",MakeName (string (_fegbe )));_eee .Set ("\u0043\u0046\u004d",MakeName (_bccb .Name ()));_eee .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_bccb .KeyLength ())));return _eee ;
};func (_bcce *FlateEncoder )postDecodePredict (_gdgc []byte )([]byte ,error ){if _bcce .Predictor > 1{if _bcce .Predictor ==2{_ca .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_ca .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_bcce .Colors );
_bdbf :=_bcce .Columns *_bcce .Colors ;if _bdbf < 1{return []byte {},nil ;};_bgb :=len (_gdgc )/_bdbf ;if len (_gdgc )%_bdbf !=0{_ca .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 ,_df .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 (_gdgc ),_bdbf );};if _bdbf %_bcce .Colors !=0{return nil ,_df .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",_bdbf ,_bcce .Colors );
};if _bdbf > len (_gdgc ){_ca .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",_bdbf ,len (_gdgc ));
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ca .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_gdgc ),_gdgc );
_aaa :=_bad .NewBuffer (nil );for _eeef :=0;_eeef < _bgb ;_eeef ++{_bdfg :=_gdgc [_bdbf *_eeef :_bdbf *(_eeef +1)];for _fdbg :=_bcce .Colors ;_fdbg < _bdbf ;_fdbg ++{_bdfg [_fdbg ]+=_bdfg [_fdbg -_bcce .Colors ];};_aaa .Write (_bdfg );};_dcga :=_aaa .Bytes ();
_ca .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_dcga ),_dcga );return _dcga ,nil ;}else if _bcce .Predictor >=10&&_bcce .Predictor <=15{_ca .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_ababd :=_bcce .Columns *_bcce .Colors +1;_ecfd :=len (_gdgc )/_ababd ;if len (_gdgc )%_ababd !=0{return nil ,_df .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 (_gdgc ),_ababd );
};if _ababd > len (_gdgc ){_ca .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",_ababd ,len (_gdgc ));
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ega :=_bad .NewBuffer (nil );_ca .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_bcce .Columns );
_ca .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_gdgc ),_ababd ,_ecfd );_ggfd :=make ([]byte ,_ababd );for _bdadd :=0;_bdadd < _ababd ;_bdadd ++{_ggfd [_bdadd ]=0;
};_dffca :=_bcce .Colors ;for _gabc :=0;_gabc < _ecfd ;_gabc ++{_gdcf :=_gdgc [_ababd *_gabc :_ababd *(_gabc +1)];_fdgf :=_gdcf [0];switch _fdgf {case _aga :case _dddd :for _caaf :=1+_dffca ;_caaf < _ababd ;_caaf ++{_gdcf [_caaf ]+=_gdcf [_caaf -_dffca ];
};case _egee :for _aab :=1;_aab < _ababd ;_aab ++{_gdcf [_aab ]+=_ggfd [_aab ];};case _fbbge :for _aefb :=1;_aefb < _dffca +1;_aefb ++{_gdcf [_aefb ]+=_ggfd [_aefb ]/2;};for _daac :=_dffca +1;_daac < _ababd ;_daac ++{_gdcf [_daac ]+=byte ((int (_gdcf [_daac -_dffca ])+int (_ggfd [_daac ]))/2);
};case _feed :for _dbab :=1;_dbab < _ababd ;_dbab ++{var _bcdf ,_dcbd ,_aac byte ;_dcbd =_ggfd [_dbab ];if _dbab >=_dffca +1{_bcdf =_gdcf [_dbab -_dffca ];_aac =_ggfd [_dbab -_dffca ];};_gdcf [_dbab ]+=_ddfd (_bcdf ,_dcbd ,_aac );};default:_ca .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",_fdgf ,_gabc );
return nil ,_df .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_fdgf );};copy (_ggfd ,_gdcf );_ega .Write (_gdcf [1:]);};_gcac :=_ega .Bytes ();return _gcac ,nil ;
}else {_ca .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",_bcce .Predictor );return nil ,_df .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",_bcce .Predictor );
};};return _gdgc ,nil ;};const _dffg =32<<(^uint (0)>>63);

// 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 )(_eggbcd *PdfObjectArray ,_abcg bool ){_eggbcd ,_abcg =TraceToDirectObject (obj ).(*PdfObjectArray );return _eggbcd ,_abcg ;};

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

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

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

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_edb *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _fagc []byte ;_ca .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_fffd :=0;_faa :=false ;for _fffd < len (encoded )&&!_faa {_acfd :=[5]byte {0,0,0,0,0};
_fcga :=0;_fdce :=0;_dbea :=4;for _fdce < 5+_fcga {if _fffd +_fdce ==len (encoded ){break ;};_cgfc :=encoded [_fffd +_fdce ];if IsWhiteSpace (_cgfc ){_fcga ++;_fdce ++;continue ;}else if _cgfc =='~'&&_fffd +_fdce +1< len (encoded )&&encoded [_fffd +_fdce +1]=='>'{_dbea =(_fdce -_fcga )-1;
if _dbea < 0{_dbea =0;};_faa =true ;break ;}else if _cgfc >='!'&&_cgfc <='u'{_cgfc -='!';}else if _cgfc =='z'&&_fdce -_fcga ==0{_dbea =4;_fdce ++;break ;}else {_ca .Log .Error ("\u0046\u0061i\u006c\u0065\u0064\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u002c\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020co\u0064\u0065");
return nil ,_e .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_acfd [_fdce -_fcga ]=_cgfc ;_fdce ++;};_fffd +=_fdce ;for _edag :=_dbea +1;_edag < 5;_edag ++{_acfd [_edag ]=84;
};_daacd :=uint32 (_acfd [0])*85*85*85*85+uint32 (_acfd [1])*85*85*85+uint32 (_acfd [2])*85*85+uint32 (_acfd [3])*85+uint32 (_acfd [4]);_egga :=[]byte {byte ((_daacd >>24)&0xff),byte ((_daacd >>16)&0xff),byte ((_daacd >>8)&0xff),byte (_daacd &0xff)};_fagc =append (_fagc ,_egga [:_dbea ]...);
};_ca .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_ca .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_fagc );
return _fagc ,nil ;};

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

// String returns a string describing `null`.
func (_gagc *PdfObjectNull )String ()string {return "\u006e\u0075\u006c\u006c"};var _beag =_c .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");func (_cec *PdfParser )lookupObjectViaOS (_ac int ,_cfc int )(PdfObject ,error ){var _dfd *_bad .Reader ;
var _eea objectStream ;var _ed bool ;_eea ,_ed =_cec ._gafcg [_ac ];if !_ed {_gf ,_dad :=_cec .LookupByNumber (_ac );if _dad !=nil {_ca .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",_ac );
return nil ,_dad ;};_dc ,_aba :=_gf .(*PdfObjectStream );if !_aba {return nil ,_e .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _cec ._fbag !=nil &&!_cec ._fbag .isDecrypted (_dc ){return nil ,_e .New ("\u006e\u0065\u0065\u0064\u0020\u0074\u006f\u0020\u0064\u0065\u0063r\u0079\u0070\u0074\u0020\u0074\u0068\u0065\u0020\u0073\u0074r\u0065\u0061\u006d");
};_ge :=_dc .PdfObjectDictionary ;_ca .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_ge .String ());_cbf ,_aba :=_ge .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_aba {_ca .Log .Debug ("\u0045\u0052R\u004f\u0052\u003a\u0020\u004f\u0062\u006a\u0065\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0061\u006c\u0077\u0061\u0079\u0073\u0020\u0068\u0061\u0076\u0065\u0020\u0061\u0020\u0054\u0079\u0070\u0065");
return nil ,_e .New ("\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0073\u0074\u0072\u0065a\u006d\u0020\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0020T\u0079\u0070\u0065");};if _ba .ToLower (string (*_cbf ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_ca .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u004f\u0062\u006a\u0065\u0063\u0074\u0020\u0073\u0074\u0072\u0065a\u006d\u0020\u0074\u0079\u0070\u0065\u0020s\u0068\u0061\u006c\u006c\u0020\u0061\u006c\u0077\u0061\u0079\u0073 \u0062\u0065\u0020\u004f\u0062\u006a\u0053\u0074\u006d\u0020\u0021");
return nil ,_e .New ("\u006f\u0062\u006a\u0065c\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0074y\u0070e\u0020\u0021\u003d\u0020\u004f\u0062\u006aS\u0074\u006d");};N ,_aba :=_ge .Get ("\u004e").(*PdfObjectInteger );if !_aba {return nil ,_e .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u004e\u0020i\u006e\u0020\u0073\u0074\u0072\u0065\u0061m\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079");
};_fgg ,_aba :=_ge .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_aba {return nil ,_e .New ("\u0069\u006e\u0076al\u0069\u0064\u0020\u0046\u0069\u0072\u0073\u0074\u0020i\u006e \u0073t\u0072e\u0061\u006d\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079");
};_ca .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",_cbf ,*N );_de ,_dad :=DecodeStream (_dc );if _dad !=nil {return nil ,_dad ;
};_ca .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_de );_ae :=_cec .GetFileOffset ();defer func (){_cec .SetFileOffset (_ae )}();_dfd =_bad .NewReader (_de );_cec ._dbeed =_cb .NewReader (_dfd );_ca .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_gec :=map[int ]int64 {};for _dea :=0;_dea < int (*N );_dea ++{_cec .skipSpaces ();_caa ,_abb :=_cec .parseNumber ();if _abb !=nil {return nil ,_abb ;};_eb ,_cc :=_caa .(*PdfObjectInteger );if !_cc {return nil ,_e .New ("\u0069\u006e\u0076al\u0069\u0064\u0020\u006f\u0062\u006a\u0065\u0063\u0074 \u0073t\u0072e\u0061m\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0074\u0061\u0062\u006c\u0065");
};_cec .skipSpaces ();_caa ,_abb =_cec .parseNumber ();if _abb !=nil {return nil ,_abb ;};_fbbg ,_cc :=_caa .(*PdfObjectInteger );if !_cc {return nil ,_e .New ("\u0069\u006e\u0076al\u0069\u0064\u0020\u006f\u0062\u006a\u0065\u0063\u0074 \u0073t\u0072e\u0061m\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0074\u0061\u0062\u006c\u0065");
};_ca .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_eb ,*_fbbg );_gec [int (*_eb )]=int64 (*_fgg +*_fbbg );};_eea =objectStream {N :int (*N ),_caf :_de ,_ggf :_gec };_cec ._gafcg [_ac ]=_eea ;}else {_dff :=_cec .GetFileOffset ();
defer func (){_cec .SetFileOffset (_dff )}();_dfd =_bad .NewReader (_eea ._caf );_cec ._dbeed =_cb .NewReader (_dfd );};_gb :=_eea ._ggf [_cfc ];_ca .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_cfc ,_gb );
_dfd .Seek (_gb ,_fa .SeekStart );_cec ._dbeed =_cb .NewReader (_dfd );_agd ,_ :=_cec ._dbeed .Peek (100);_ca .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_agd ));_gbg ,_aea :=_cec .parseObject ();
if _aea !=nil {_ca .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",_aea );return nil ,_aea ;};if _gbg ==nil {return nil ,_e .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");
};_eaa :=PdfIndirectObject {};_eaa .ObjectNumber =int64 (_cfc );_eaa .PdfObject =_gbg ;_eaa ._ecga =_cec ;return &_eaa ,nil ;};

// UpdateParams updates the parameter values of the encoder.
// Implements StreamEncoder interface.
func (_fddbe *JBIG2Encoder )UpdateParams (params *PdfObjectDictionary ){_dcceg ,_gfcg :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));if _gfcg ==nil {_fddbe .BitsPerComponent =int (_dcceg );
};_cdgeb ,_gfcg :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));if _gfcg ==nil {_fddbe .Width =int (_cdgeb );};_fdbd ,_gfcg :=GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));if _gfcg ==nil {_fddbe .Height =int (_fdbd );
};_bfce ,_gfcg :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));if _gfcg ==nil {_fddbe .ColorComponents =int (_bfce );};};func (_bcbf *PdfParser )parseBool ()(PdfObjectBool ,error ){_cbac ,_bcfac :=_bcbf ._dbeed .Peek (4);
if _bcfac !=nil {return PdfObjectBool (false ),_bcfac ;};if (len (_cbac )>=4)&&(string (_cbac [:4])=="\u0074\u0072\u0075\u0065"){_bcbf ._dbeed .Discard (4);return PdfObjectBool (true ),nil ;};_cbac ,_bcfac =_bcbf ._dbeed .Peek (5);if _bcfac !=nil {return PdfObjectBool (false ),_bcfac ;
};if (len (_cbac )>=5)&&(string (_cbac [:5])=="\u0066\u0061\u006cs\u0065"){_bcbf ._dbeed .Discard (5);return PdfObjectBool (false ),nil ;};return PdfObjectBool (false ),_e .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");
};var _gebf =_c .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");func (_ddbce *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){const _cbaf =20;_gbfa ,_ :=_ddbce ._dbeed .Peek (_cbaf );
for _efbaga :=0;_efbaga < 2;_efbaga ++{if _ddbce ._ffdc ==0{_ddbce ._ffdc =_ddbce .GetFileOffset ();};if _gebf .Match (_gbfa ){_ca .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");
_ca .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_gbfa ));return _ddbce .parseXrefStream (nil );};if _bfdee .Match (_gbfa ){_ca .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 _ddbce .parseXrefTable ();};_fdea :=_ddbce .GetFileOffset ();if _ddbce ._ffdc ==0{_ddbce ._ffdc =_fdea ;};_ddbce .SetFileOffset (_fdea -_cbaf );defer _ddbce .SetFileOffset (_fdea );_eccg ,_ :=_ddbce ._dbeed .Peek (_cbaf );_gbfa =append (_eccg ,_gbfa ...);
};_ca .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 _beaf :=_ddbce .repairSeekXrefMarker ();_beaf !=nil {_ca .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_beaf );return nil ,_beaf ;};return _ddbce .parseXrefTable ();};

// SetFileOffset sets the file to an offset position and resets buffer.
func (_fgcf *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_fgcf ._adgc .Seek (offset ,_fa .SeekStart );_fgcf ._dbeed =_cb .NewReader (_fgcf ._adgc );};

// 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 ){_fdcf ,_ccea :=obj .(*PdfObjectReference );if _ccea {obj =TraceToDirectObject (_fdcf );}else if _dagce ,_gdfd :=obj .(*PdfIndirectObject );_gdfd {obj =_dagce .PdfObject ;};switch _afga :=obj .(type ){case *PdfObjectFloat :_ca .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 (*_afga ),nil ;case *PdfObjectInteger :return int64 (*_afga ),nil ;};return 0,ErrNotANumber ;};func _efa (_dcdc *_bgcc .StdEncryptDict ,_bbf *PdfObjectDictionary ){_bbf .Set ("\u0052",MakeInteger (int64 (_dcdc .R )));_bbf .Set ("\u0050",MakeInteger (int64 (_dcdc .P )));
_bbf .Set ("\u004f",MakeStringFromBytes (_dcdc .O ));_bbf .Set ("\u0055",MakeStringFromBytes (_dcdc .U ));if _dcdc .R >=5{_bbf .Set ("\u004f\u0045",MakeStringFromBytes (_dcdc .OE ));_bbf .Set ("\u0055\u0045",MakeStringFromBytes (_dcdc .UE ));_bbf .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_dcdc .EncryptMetadata ));
if _dcdc .R > 5{_bbf .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_dcdc .Perms ));};};};

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

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_efde *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_ca .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_ca .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_efde .Predictor );
_ead ,_gdf :=_efde .DecodeBytes (streamObj .Stream );if _gdf !=nil {return nil ,_gdf ;};_ca .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_ca .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_ead ),_ead );
if _efde .Predictor > 1{if _efde .Predictor ==2{_ca .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_bbce :=_efde .Columns *_efde .Colors ;if _bbce < 1{return []byte {},nil ;};_dcaa :=len (_ead )/_bbce ;if len (_ead )%_bbce !=0{_ca .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 ,_df .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 (_ead ),_bbce );};if _bbce %_efde .Colors !=0{return nil ,_df .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",_bbce ,_efde .Colors );
};if _bbce > len (_ead ){_ca .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",_bbce ,len (_ead ));
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ca .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_ead ),_ead );
_gfc :=_bad .NewBuffer (nil );for _dcaf :=0;_dcaf < _dcaa ;_dcaf ++{_aefc :=_ead [_bbce *_dcaf :_bbce *(_dcaf +1)];for _gag :=_efde .Colors ;_gag < _bbce ;_gag ++{_aefc [_gag ]=byte (int (_aefc [_gag ]+_aefc [_gag -_efde .Colors ])%256);};_gfc .Write (_aefc );
};_dbca :=_gfc .Bytes ();_ca .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_dbca ),_dbca );return _dbca ,nil ;}else if _efde .Predictor >=10&&_efde .Predictor <=15{_ca .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_gdd :=_efde .Columns *_efde .Colors +1;if _gdd < 1{return []byte {},nil ;};_afd :=len (_ead )/_gdd ;if len (_ead )%_gdd !=0{return nil ,_df .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 (_ead ),_gdd );
};if _gdd > len (_ead ){_ca .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",_gdd ,len (_ead ));
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_bdca :=_bad .NewBuffer (nil );_ca .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_efde .Columns );
_ca .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_ead ),_gdd ,_afd );_dbdc :=make ([]byte ,_gdd );for _bagg :=0;_bagg < _gdd ;_bagg ++{_dbdc [_bagg ]=0;};for _gcbe :=0;
_gcbe < _afd ;_gcbe ++{_ccfc :=_ead [_gdd *_gcbe :_gdd *(_gcbe +1)];_dbde :=_ccfc [0];switch _dbde {case 0:case 1:for _edga :=2;_edga < _gdd ;_edga ++{_ccfc [_edga ]=byte (int (_ccfc [_edga ]+_ccfc [_edga -1])%256);};case 2:for _fegc :=1;_fegc < _gdd ;
_fegc ++{_ccfc [_fegc ]=byte (int (_ccfc [_fegc ]+_dbdc [_fegc ])%256);};default:_ca .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",_dbde );
return nil ,_df .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_dbde );};for _ddgb :=0;_ddgb < _gdd ;_ddgb ++{_dbdc [_ddgb ]=_ccfc [_ddgb ];};_bdca .Write (_ccfc [1:]);
};_bfee :=_bdca .Bytes ();return _bfee ,nil ;}else {_ca .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",_efde .Predictor );
return nil ,_df .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",_efde .Predictor );};};return _ead ,nil ;};

// 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 )(_abbdf *PdfObjectInteger ,_bcdfc bool ){_abbdf ,_bcdfc =TraceToDirectObject (obj ).(*PdfObjectInteger );return _abbdf ,_bcdfc ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_bdfcc *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_cdfb :=MakeDict ();_cdfb .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_bdfcc .GetFilterArray ());for _ ,_gga :=range _bdfcc ._fabc {_eebc :=_gga .MakeStreamDict ();for _ ,_fege :=range _eebc .Keys (){_fedd :=_eebc .Get (_fege );
if _fege !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_fege !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_cdfb .Set (_fege ,_fedd );};};};_eaceb :=_bdfcc .MakeDecodeParams ();if _eaceb !=nil {_cdfb .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_eaceb );
};return _cdfb ;};

// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_gde *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _gedc _bad .Buffer ;_cfd :=_bad .NewReader (encoded );var _ffad _fa .ReadCloser ;if _gde .EarlyChange ==1{_ffad =_dae .NewReader (_cfd ,_dae .MSB ,8);}else {_ffad =_cf .NewReader (_cfd ,_cf .MSB ,8);
};defer _ffad .Close ();if _ ,_bddg :=_gedc .ReadFrom (_ffad );_bddg !=nil {if _bddg !=_fa .ErrUnexpectedEOF ||_gedc .Len ()==0{return nil ,_bddg ;};_ca .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",_bddg );
};return _gedc .Bytes (),nil ;};

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

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

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

// IsWhiteSpace checks if byte represents a white space character.
func IsWhiteSpace (ch byte )bool {if (ch ==0x00)||(ch ==0x09)||(ch ==0x0A)||(ch ==0x0C)||(ch ==0x0D)||(ch ==0x20){return true ;};return false ;};func (_ded *PdfParser )skipSpaces ()(int ,error ){_afaeg :=0;for {_geff ,_cgfd :=_ded ._dbeed .ReadByte ();
if _cgfd !=nil {return 0,_cgfd ;};if IsWhiteSpace (_geff ){_afaeg ++;}else {_ded ._dbeed .UnreadByte ();break ;};};return _afaeg ,nil ;};

// Set sets the dictionary's key -> val mapping entry. Overwrites if key already set.
func (_agbge *PdfObjectDictionary )Set (key PdfObjectName ,val PdfObject ){_agbge .setWithLock (key ,val ,true );};type offsetReader struct{_dfac _fa .ReadSeeker ;_bbcab int64 ;};

// DCTEncoder provides a DCT (JPG) encoding/decoding functionality for images.
type DCTEncoder struct{ColorComponents int ;BitsPerComponent int ;Width int ;Height int ;Quality int ;};func _ggd (_cag XrefTable ){_ca .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");_ca .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");
_bac :=0;for _ ,_bfg :=range _cag .ObjectMap {_ca .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",_bac +1,_bfg .ObjectNumber ,_bfg .Generation ,_bfg .Offset );
_bac ++;};};

// GetUpdatedObjects returns pdf objects which were updated from the specific version (from prevParser).
func (_edad *PdfParser )GetUpdatedObjects (prevParser *PdfParser )(map[int64 ]PdfObject ,error ){if prevParser ==nil {return nil ,_e .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");
};_adfc ,_aacd :=_edad .getNumbersOfUpdatedObjects (prevParser );if _aacd !=nil {return nil ,_aacd ;};_bfdba :=make (map[int64 ]PdfObject );for _ ,_fbda :=range _adfc {if _adged ,_gdbgb :=_edad .LookupByNumber (_fbda );_gdbgb ==nil {_bfdba [int64 (_fbda )]=_adged ;
}else {return nil ,_gdbgb ;};};return _bfdba ,nil ;};

// DecodeBytes decodes the CCITTFax encoded image data.
func (_gecd *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_agee ,_eeec :=_ab .NewDecoder (encoded ,_ab .DecodeOptions {Columns :_gecd .Columns ,Rows :_gecd .Rows ,K :_gecd .K ,EncodedByteAligned :_gecd .EncodedByteAlign ,BlackIsOne :_gecd .BlackIs1 ,EndOfBlock :_gecd .EndOfBlock ,EndOfLine :_gecd .EndOfLine ,DamagedRowsBeforeError :_gecd .DamagedRowsBeforeError });
if _eeec !=nil {return nil ,_eeec ;};_dbge ,_eeec :=_a .ReadAll (_agee );if _eeec !=nil {return nil ,_eeec ;};return _dbge ,nil ;};

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

// Seek implementation of Seek interface.
func (_ffdf *limitedReadSeeker )Seek (offset int64 ,whence int )(int64 ,error ){var _bfbca int64 ;switch whence {case _fa .SeekStart :_bfbca =offset ;case _fa .SeekCurrent :_eeecc ,_gcag :=_ffdf ._cdaae .Seek (0,_fa .SeekCurrent );if _gcag !=nil {return 0,_gcag ;
};_bfbca =_eeecc +offset ;case _fa .SeekEnd :_bfbca =_ffdf ._aaaf +offset ;};if _gfgf :=_ffdf .getError (_bfbca );_gfgf !=nil {return 0,_gfgf ;};if _ ,_gcaf :=_ffdf ._cdaae .Seek (_bfbca ,_fa .SeekStart );_gcaf !=nil {return 0,_gcaf ;};return _bfbca ,nil ;
};

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

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

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

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

// 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 ;_cbdgc *_dd .Document ;

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

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

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

// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_ece *PdfCrypt )GetAccessPermissions ()_bgcc .Permissions {return _ece ._acb .P };func (_cff *PdfCrypt )makeKey (_ddge string ,_dfdb ,_ffa uint32 ,_aegf []byte )([]byte ,error ){_bdb ,_cafg :=_cff ._abc [_ddge ];if !_cafg {return nil ,_df .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_ddge );
};return _bdb .MakeKey (_dfdb ,_ffa ,_aegf );};func (_cfae *offsetReader )Read (p []byte )(_dgae int ,_fabg error ){return _cfae ._dfac .Read (p )};

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

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

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

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

// NewRawEncoder returns a new instace of RawEncoder.
func NewRawEncoder ()*RawEncoder {return &RawEncoder {}};type objectCache map[int ]PdfObject ;

// 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 ;};

// 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 ;};const JB2ImageAutoThreshold =-1.0;

// 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 {_gdadc :=PdfObjectString {_bcced :s };return &_gdadc };

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_fcbd []float64 ,_ffgg error ){for _ ,_eaadb :=range objects {_agbg ,_afbd :=GetNumberAsFloat (_eaadb );if _afbd !=nil {return nil ,_afbd ;};_fcbd =append (_fcbd ,_agbg );};return _fcbd ,nil ;};

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

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

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

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

// 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 )(_gegb *PdfObjectBool ,_cebb bool ){_gegb ,_cebb =TraceToDirectObject (obj ).(*PdfObjectBool );return _gegb ,_cebb ;};func (_gded *PdfParser )parsePdfVersion ()(int ,int ,error ){var _efga int64 =20;_bafg :=make ([]byte ,_efga );
_gded ._adgc .Seek (0,_fa .SeekStart );_gded ._adgc .Read (_bafg );var _gfccd error ;var _gcba ,_fdfd int ;if _fecg :=_fcgdg .FindStringSubmatch (string (_bafg ));len (_fecg )< 3{if _gcba ,_fdfd ,_gfccd =_gded .seekPdfVersionTopDown ();_gfccd !=nil {_ca .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,_gfccd ;};_gded ._adgc ,_gfccd =_efef (_gded ._adgc ,_gded .GetFileOffset ()-8);if _gfccd !=nil {return 0,0,_gfccd ;};}else {if _gcba ,_gfccd =_fc .Atoi (_fecg [1]);_gfccd !=nil {return 0,0,_gfccd ;};if _fdfd ,_gfccd =_fc .Atoi (_fecg [2]);_gfccd !=nil {return 0,0,_gfccd ;
};_gded .SetFileOffset (0);};_gded ._dbeed =_cb .NewReader (_gded ._adgc );_ca .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_gcba ,_fdfd );return _gcba ,_fdfd ,nil ;};

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_adge *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_fgeb :=_bad .NewReader (encoded );_dbabg ,_ffba :=_gg .Decode (_fgeb );if _ffba !=nil {_ca .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_ffba );
return nil ,_ffba ;};_agda :=_dbabg .Bounds ();var _effc =make ([]byte ,_agda .Dx ()*_agda .Dy ()*_adge .ColorComponents *_adge .BitsPerComponent /8);_fbdf :=0;for _gcbb :=_agda .Min .Y ;_gcbb < _agda .Max .Y ;_gcbb ++{for _aeede :=_agda .Min .X ;_aeede < _agda .Max .X ;
_aeede ++{_feec :=_dbabg .At (_aeede ,_gcbb );if _adge .ColorComponents ==1{if _adge .BitsPerComponent ==16{_feae ,_ggbb :=_feec .(_fg .Gray16 );if !_ggbb {return nil ,_e .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_effc [_fbdf ]=byte ((_feae .Y >>8)&0xff);_fbdf ++;_effc [_fbdf ]=byte (_feae .Y &0xff);_fbdf ++;}else {_gafg ,_ecg :=_feec .(_fg .Gray );if !_ecg {return nil ,_e .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_effc [_fbdf ]=_gafg .Y &0xff;_fbdf ++;};}else if _adge .ColorComponents ==3{if _adge .BitsPerComponent ==16{_ggeaa ,_cfb :=_feec .(_fg .RGBA64 );if !_cfb {return nil ,_e .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_effc [_fbdf ]=byte ((_ggeaa .R >>8)&0xff);_fbdf ++;_effc [_fbdf ]=byte (_ggeaa .R &0xff);_fbdf ++;_effc [_fbdf ]=byte ((_ggeaa .G >>8)&0xff);_fbdf ++;_effc [_fbdf ]=byte (_ggeaa .G &0xff);_fbdf ++;_effc [_fbdf ]=byte ((_ggeaa .B >>8)&0xff);_fbdf ++;
_effc [_fbdf ]=byte (_ggeaa .B &0xff);_fbdf ++;}else {_dfde ,_dfgf :=_feec .(_fg .RGBA );if _dfgf {_effc [_fbdf ]=_dfde .R &0xff;_fbdf ++;_effc [_fbdf ]=_dfde .G &0xff;_fbdf ++;_effc [_fbdf ]=_dfde .B &0xff;_fbdf ++;}else {_fgee ,_ddef :=_feec .(_fg .YCbCr );
if !_ddef {return nil ,_e .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");};_fedf ,_aegd ,_afe ,_ :=_fgee .RGBA ();_effc [_fbdf ]=byte (_fedf >>8);_fbdf ++;_effc [_fbdf ]=byte (_aegd >>8);_fbdf ++;_effc [_fbdf ]=byte (_afe >>8);
_fbdf ++;};};}else if _adge .ColorComponents ==4{_addb ,_dafb :=_feec .(_fg .CMYK );if !_dafb {return nil ,_e .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");};_effc [_fbdf ]=255-_addb .C &0xff;_fbdf ++;_effc [_fbdf ]=255-_addb .M &0xff;
_fbdf ++;_effc [_fbdf ]=255-_addb .Y &0xff;_fbdf ++;_effc [_fbdf ]=255-_addb .K &0xff;_fbdf ++;};};};return _effc ,nil ;};

// NewDCTEncoder makes a new DCT encoder with default parameters.
func NewDCTEncoder ()*DCTEncoder {_ccd :=&DCTEncoder {};_ccd .ColorComponents =3;_ccd .BitsPerComponent =8;_ccd .Quality =DefaultJPEGQuality ;return _ccd ;};func _cee (_gabe *PdfObjectStream ,_ebedd *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_gdbg :=NewCCITTFaxEncoder ();
_gcce :=_gabe .PdfObjectDictionary ;if _gcce ==nil {return _gdbg ,nil ;};if _ebedd ==nil {_dgab :=TraceToDirectObject (_gcce .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _dgab !=nil {switch _bfdc :=_dgab .(type ){case *PdfObjectDictionary :_ebedd =_bfdc ;
case *PdfObjectArray :if _bfdc .Len ()==1{if _eafd ,_abbb :=GetDict (_bfdc .Get (0));_abbb {_ebedd =_eafd ;};};default:_ca .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",_dgab );
return nil ,_e .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _ebedd ==nil {_ca .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",_dgab );
return nil ,_e .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _gfdf ,_gefc :=GetNumberAsInt64 (_ebedd .Get ("\u004b"));_gefc ==nil {_gdbg .K =int (_gfdf );};if _agdg ,_gaca :=GetNumberAsInt64 (_ebedd .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_gaca ==nil {_gdbg .Columns =int (_agdg );}else {_gdbg .Columns =1728;};if _ecd ,_ebgc :=GetNumberAsInt64 (_ebedd .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_ebgc ==nil {_gdbg .BlackIs1 =_ecd > 0;}else {if _gdff ,_acgc :=GetBoolVal (_ebedd .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_acgc {_gdbg .BlackIs1 =_gdff ;}else {if _daag ,_acc :=GetArray (_ebedd .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_acc {_ffd ,_agba :=_daag .ToIntegerArray ();if _agba ==nil {_gdbg .BlackIs1 =_ffd [0]==1&&_ffd [1]==0;};};};};if _bcge ,_gff :=GetNumberAsInt64 (_ebedd .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_gff ==nil {_gdbg .EncodedByteAlign =_bcge > 0;}else {if _cfa ,_aegda :=GetBoolVal (_ebedd .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_aegda {_gdbg .EncodedByteAlign =_cfa ;};};if _gafc ,_fcabb :=GetNumberAsInt64 (_ebedd .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_fcabb ==nil {_gdbg .EndOfLine =_gafc > 0;}else {if _ccba ,_fced :=GetBoolVal (_ebedd .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_fced {_gdbg .EndOfLine =_ccba ;};};if _cebca ,_ccab :=GetNumberAsInt64 (_ebedd .Get ("\u0052\u006f\u0077\u0073"));
_ccab ==nil {_gdbg .Rows =int (_cebca );};_gdbg .EndOfBlock =true ;if _daad ,_daed :=GetNumberAsInt64 (_ebedd .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_daed ==nil {_gdbg .EndOfBlock =_daad > 0;}else {if _gafgg ,_eggf :=GetBoolVal (_ebedd .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_eggf {_gdbg .EndOfBlock =_gafgg ;};};if _bddgb ,_eggbc :=GetNumberAsInt64 (_ebedd .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_eggbc !=nil {_gdbg .DamagedRowsBeforeError =int (_bddgb );
};_ca .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_ebedd .String ());return _gdbg ,nil ;};

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

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

// NewRunLengthEncoder makes a new run length encoder
func NewRunLengthEncoder ()*RunLengthEncoder {return &RunLengthEncoder {}};const (JB2Generic JBIG2CompressionType =iota ;JB2SymbolCorrelation ;JB2SymbolRankHaus ;);

// 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 _fccee ,_dbead :=obj .(*PdfObjectReference );_dbead {obj =_fccee .Resolve ();};_eegb ,_fbgge :=obj .(*PdfIndirectObject );_eaddf :=0;for _fbgge {obj =_eegb .PdfObject ;_eegb ,_fbgge =GetIndirect (obj );
_eaddf ++;if _eaddf > _dcggg {_ca .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",_dcggg );
return nil ;};};return obj ;};

// LookupByReference looks up a PdfObject by a reference.
func (_ggb *PdfParser )LookupByReference (ref PdfObjectReference )(PdfObject ,error ){_ca .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 _ggb .LookupByNumber (int (ref .ObjectNumber ));
};func _ceee (_afbf *PdfObjectDictionary )(_ecce *_fbb .ImageBase ){var (_dabbe *PdfObjectInteger ;_bcgd bool ;);if _dabbe ,_bcgd =_afbf .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );_bcgd {_ecce =&_fbb .ImageBase {Width :int (*_dabbe )};}else {return nil ;
};if _dabbe ,_bcgd =_afbf .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );_bcgd {_ecce .Height =int (*_dabbe );};if _dabbe ,_bcgd =_afbf .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );
_bcgd {_ecce .BitsPerComponent =int (*_dabbe );};if _dabbe ,_bcgd =_afbf .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );_bcgd {_ecce .ColorComponents =int (*_dabbe );};return _ecce ;};func (_ebfd *PdfParser )getNumbersOfUpdatedObjects (_cffdd *PdfParser )([]int ,error ){if _cffdd ==nil {return nil ,_e .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");
};_gacee :=_cffdd ._ggag ;_facf :=make ([]int ,0);_bfcd :=make (map[int ]interface{});_ggab :=make (map[int ]int64 );for _baeb ,_cece :=range _ebfd ._fgfa .ObjectMap {if _cece .Offset ==0{if _cece .OsObjNumber !=0{if _aggbc ,_ffdg :=_ebfd ._fgfa .ObjectMap [_cece .OsObjNumber ];
_ffdg {_bfcd [_cece .OsObjNumber ]=struct{}{};_ggab [_baeb ]=_aggbc .Offset ;}else {return nil ,_e .New ("u\u006ed\u0065\u0066\u0069\u006e\u0065\u0064\u0020\u0078r\u0065\u0066\u0020\u0074ab\u006c\u0065");};};}else {_ggab [_baeb ]=_cece .Offset ;};};for _ccbf ,_edfg :=range _ggab {if _ ,_cfca :=_bfcd [_ccbf ];
_cfca {continue ;};if _edfg > _gacee {_facf =append (_facf ,_ccbf );};};return _facf ,nil ;};

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

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

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

// DecodeImages decodes the page images from the jbig2 'encoded' data input.
// The jbig2 document may contain multiple pages, thus the function can return multiple
// images. The images order corresponds to the page number.
func (_bdg *JBIG2Encoder )DecodeImages (encoded []byte )([]_ef .Image ,error ){const _dbeb ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_dffda ,_ecbf :=_cg .Decode (encoded ,_cg .Parameters {},_bdg .Globals .ToDocumentGlobals ());
if _ecbf !=nil {return nil ,_bg .Wrap (_ecbf ,_dbeb ,"");};_ccdc ,_ecbf :=_dffda .PageNumber ();if _ecbf !=nil {return nil ,_bg .Wrap (_ecbf ,_dbeb ,"");};_adag :=[]_ef .Image {};var _cdag _ef .Image ;for _eadg :=1;_eadg <=_ccdc ;_eadg ++{_cdag ,_ecbf =_dffda .DecodePageImage (_eadg );
if _ecbf !=nil {return nil ,_bg .Wrapf (_ecbf ,_dbeb ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_eadg );};_adag =append (_adag ,_cdag );};return _adag ,nil ;};func (_cfcfb *PdfCrypt )securityHandler ()_bgcc .StdHandler {if _cfcfb ._acb .R >=5{return _bgcc .NewHandlerR6 ();
};return _bgcc .NewHandlerR4 (_cfcfb ._gae ,_cfcfb ._aed .Length );};func (_fgbb *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_fa .SeekStart {offset +=_fgbb ._bbcab ;};_bgeb ,_addg :=_fgbb ._dfac .Seek (offset ,whence );if _addg !=nil {return _bgeb ,_addg ;
};if whence ==_fa .SeekCurrent {_bgeb -=_fgbb ._bbcab ;};if _bgeb < 0{return 0,_e .New ("\u0063\u006f\u0072\u0065\u002eo\u0066\u0066\u0073\u0065\u0074\u0052\u0065\u0061\u0064\u0065\u0072\u002e\u0053e\u0065\u006b\u003a\u0020\u006e\u0065\u0067\u0061\u0074\u0069\u0076\u0065\u0020\u0070\u006f\u0073\u0069\u0074\u0069\u006f\u006e");
};return _bgeb ,nil ;};

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

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

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

// 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 )(_dfdea *PdfObjectString ,_ebead bool ){_dfdea ,_ebead =TraceToDirectObject (obj ).(*PdfObjectString );return _dfdea ,_ebead ;};

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

// DecodeStream decodes the stream containing CCITTFax encoded image data.
func (_eafg *CCITTFaxEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _eafg .DecodeBytes (streamObj .Stream );};func (_fcdb *PdfCrypt )checkAccessRights (_bafd []byte )(bool ,_bgcc .Permissions ,error ){_ecf :=_fcdb .securityHandler ();
_gbgd ,_eca ,_bdd :=_ecf .Authenticate (&_fcdb ._acb ,_bafd );if _bdd !=nil {return false ,0,_bdd ;}else if _eca ==0||len (_gbgd )==0{return false ,0,nil ;};return true ,_eca ,nil ;};

// ToInt64Slice returns a slice of all array elements as an int64 slice. An error is returned if the
// array non-integer objects. Each element can only be PdfObjectInteger.
func (_afdg *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _afaa []int64 ;for _ ,_gcgg :=range _afdg .Elements (){if _ggcb ,_cbagd :=_gcgg .(*PdfObjectInteger );_cbagd {_afaa =append (_afaa ,int64 (*_ggcb ));}else {return nil ,ErrTypeError ;};};
return _afaa ,nil ;};

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

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

// GetRevision returns PdfParser for the specific version of the Pdf document.
func (_eeead *PdfParser )GetRevision (revisionNumber int )(*PdfParser ,error ){_cecdc :=_eeead ._dafg ;if _cecdc ==revisionNumber {return _eeead ,nil ;};if _cecdc < revisionNumber {return nil ,_e .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 _eeead ._efbf [revisionNumber ]!=nil {return _eeead ._efbf [revisionNumber ],nil ;};_ffde :=_eeead ;for ;_cecdc > revisionNumber ;_cecdc --{_aeca ,_bfcf :=_ffde .GetPreviousRevisionParser ();if _bfcf !=nil {return nil ,_bfcf ;};_eeead ._efbf [_cecdc -1]=_aeca ;
_eeead ._begf [_ffde ]=_aeca ;_ffde =_aeca ;};return _ffde ,nil ;};func (_bafde *PdfParser )seekToEOFMarker (_adgea int64 )error {var _ccda int64 ;var _edcb int64 =2048;for _ccda < _adgea -4{if _adgea <=(_edcb +_ccda ){_edcb =_adgea -_ccda ;};_ ,_aeded :=_bafde ._adgc .Seek (_adgea -_ccda -_edcb ,_fa .SeekStart );
if _aeded !=nil {return _aeded ;};_aacbb :=make ([]byte ,_edcb );_bafde ._adgc .Read (_aacbb );_ca .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 (_aacbb ));
_bgebc :=_dece .FindAllStringIndex (string (_aacbb ),-1);if _bgebc !=nil {_ddcb :=_bgebc [len (_bgebc )-1];_ca .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_bgebc );_efea :=_adgea -_ccda -_edcb +int64 (_ddcb [0]);_bafde ._adgc .Seek (_efea ,_fa .SeekStart );
return nil ;};_ca .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");
_ccda +=_edcb -4;};_ca .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 _cacd ;};

// Bytes returns the PdfObjectString content as a []byte array.
func (_ggdc *PdfObjectString )Bytes ()[]byte {return []byte (_ggdc ._bcced )};func (_gbb *PdfCrypt )loadCryptFilters (_edd *PdfObjectDictionary )error {_gbb ._abc =cryptFilters {};_fab :=_edd .Get ("\u0043\u0046");_fab =TraceToDirectObject (_fab );if _bgea ,_fbg :=_fab .(*PdfObjectReference );
_fbg {_abce ,_bfe :=_gbb ._dee .LookupByReference (*_bgea );if _bfe !=nil {_ca .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 _bfe ;};_fab =TraceToDirectObject (_abce );};_egd ,_fgb :=_fab .(*PdfObjectDictionary );if !_fgb {_ca .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_fab );return _e .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");
};for _ ,_ebfb :=range _egd .Keys (){_bag :=_egd .Get (_ebfb );if _bgcca ,_fcg :=_bag .(*PdfObjectReference );_fcg {_cafa ,_dba :=_gbb ._dee .LookupByReference (*_bgcca );if _dba !=nil {_ca .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 _dba ;};_bag =TraceToDirectObject (_cafa );};_edf ,_fafe :=_bag .(*PdfObjectDictionary );if !_fafe {return _df .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",_ebfb ,_bag );
};if _ebfb =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_ca .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 _gaec _ag .FilterDict ;if _egg :=_bbc (&_gaec ,_edf );_egg !=nil {return _egg ;};_cdg ,_fbc :=_ag .NewFilter (_gaec );if _fbc !=nil {return _fbc ;};_gbb ._abc [string (_ebfb )]=_cdg ;};_gbb ._abc ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_ag .NewIdentity ();
_gbb ._gbf ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _fed ,_edaf :=_edd .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_edaf {if _ ,_dda :=_gbb ._abc [string (*_fed )];!_dda {return _df .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",*_fed );
};_gbb ._gbf =string (*_fed );};_gbb ._cbfc ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _abg ,_bcf :=_edd .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_bcf {if _ ,_aeg :=_gbb ._abc [string (*_abg )];!_aeg {return _df .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",*_abg );
};_gbb ._cbfc =string (*_abg );};return nil ;};

// 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 (_cfdf *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _ebag ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _cfdf .ColorComponents !=1||_cfdf .BitsPerComponent !=1{return nil ,_bg .Errorf (_ebag ,"\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 (_cdge *_bf .Bitmap ;_cbc error ;);_ede :=(_cfdf .Width *_cfdf .Height )==len (data );if _ede {_cdge ,_cbc =_bf .NewWithUnpaddedData (_cfdf .Width ,_cfdf .Height ,data );}else {_cdge ,_cbc =_bf .NewWithData (_cfdf .Width ,_cfdf .Height ,data );};
if _cbc !=nil {return nil ,_cbc ;};_bfgac :=_cfdf .DefaultPageSettings ;if _cbc =_bfgac .Validate ();_cbc !=nil {return nil ,_bg .Wrap (_cbc ,_ebag ,"");};if _cfdf ._cbdgc ==nil {_cfdf ._cbdgc =_dd .InitEncodeDocument (_bfgac .FileMode );};switch _bfgac .Compression {case JB2Generic :if _cbc =_cfdf ._cbdgc .AddGenericPage (_cdge ,_bfgac .DuplicatedLinesRemoval );
_cbc !=nil {return nil ,_bg .Wrap (_cbc ,_ebag ,"");};case JB2SymbolCorrelation :return nil ,_bg .Error (_ebag ,"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 ,_bg .Error (_ebag ,"\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 ,_bg .Error (_ebag ,"\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 _cfdf .Encode ();};

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_gcfg Version ;_adgc _fa .ReadSeeker ;_dbeed *_cb .Reader ;_ggag int64 ;_fgfa XrefTable ;_ffdc int64 ;_bcde *xrefType ;_gafcg objectStreams ;_geeb *PdfObjectDictionary ;_fbag *PdfCrypt ;_gdbda *PdfIndirectObject ;_cefg bool ;ObjCache objectCache ;
_ffgb map[int ]bool ;_fgde map[int64 ]bool ;_bagce ParserMetadata ;_babf bool ;_ccbee []int64 ;_dafg int ;_bgdfg bool ;_cfag int64 ;_begf map[*PdfParser ]*PdfParser ;_efbf []*PdfParser ;};

// 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 ){_dde :=&PdfCrypt {_abab :false ,_cagc :make (map[PdfObject ]bool ),_bde :make (map[PdfObject ]bool ),_fae :make (map[int ]struct{}),_dee :parser };_edafg ,_gaa :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_gaa {_ca .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 _dde ,_e .New ("r\u0065\u0071\u0075\u0069\u0072\u0065d\u0020\u0063\u0072\u0079\u0070\u0074 \u0066\u0069\u0065\u006c\u0064\u0020\u0046i\u006c\u0074\u0065\u0072\u0020\u006d\u0069\u0073\u0073\u0069n\u0067");};if *_edafg !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_ca .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",*_edafg );
return _dde ,_e .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_dde ._aed .Filter =string (*_edafg );if _dffcd ,_dagf :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_dagf {_dde ._aed .SubFilter =_dffcd .Str ();
_ca .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_dffcd );};if L ,_cab :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_cab {if (*L %8)!=0{_ca .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 _dde ,_e .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_dde ._aed .Length =int (*L );}else {_dde ._aed .Length =40;};_dde ._aed .V =0;if _eef ,_fgc :=ed .Get ("\u0056").(*PdfObjectInteger );
_fgc {V :=int (*_eef );_dde ._aed .V =V ;if V >=1&&V <=2{_dde ._abc =_cefb (_dde ._aed .Length );}else if V >=4&&V <=5{if _fd :=_dde .loadCryptFilters (ed );_fd !=nil {return _dde ,_fd ;};}else {_ca .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 _dde ,_e .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _dcg :=_gab (&_dde ._acb ,ed );_dcg !=nil {return _dde ,_dcg ;};_eeg :="";if _aag ,_bda :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_bda &&_aag .Len ()>=1{_af ,_ffg :=GetString (_aag .Get (0));if !_ffg {return _dde ,_e .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_eeg =_af .Str ();}else {_ca .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");
};_dde ._gae =_eeg ;return _dde ,nil ;};

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

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

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

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

// EncodeBytes encodes data into ASCII85 encoded format.
func (_ccb *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _eacd _bad .Buffer ;for _bff :=0;_bff < len (data );_bff +=4{_bfgb :=data [_bff ];_dab :=1;_dcff :=byte (0);if _bff +1< len (data ){_dcff =data [_bff +1];_dab ++;};_fdbc :=byte (0);
if _bff +2< len (data ){_fdbc =data [_bff +2];_dab ++;};_ebaab :=byte (0);if _bff +3< len (data ){_ebaab =data [_bff +3];_dab ++;};_caae :=(uint32 (_bfgb )<<24)|(uint32 (_dcff )<<16)|(uint32 (_fdbc )<<8)|uint32 (_ebaab );if _caae ==0{_eacd .WriteByte ('z');
}else {_bagc :=_ccb .base256Tobase85 (_caae );for _ ,_fbba :=range _bagc [:_dab +1]{_eacd .WriteByte (_fbba +'!');};};};_eacd .WriteString ("\u007e\u003e");return _eacd .Bytes (),nil ;};

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

// ParserMetadata gets the pdf parser metadata.
func (_agfd *PdfParser )ParserMetadata ()(ParserMetadata ,error ){if !_agfd ._babf {return ParserMetadata {},_df .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 _agfd ._bagce ,nil ;};

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

// JBIG2CompressionType defines the enum compression type used by the JBIG2Encoder.
type JBIG2CompressionType int ;func (_aedb *PdfParser )traceStreamLength (_gfdc PdfObject )(PdfObject ,error ){_cecb ,_acba :=_gfdc .(*PdfObjectReference );if _acba {_dffde ,_gabge :=_aedb ._fgde [_cecb .ObjectNumber ];if _gabge &&_dffde {_ca .Log .Debug ("\u0053t\u0072\u0065a\u006d\u0020\u004c\u0065n\u0067\u0074\u0068 \u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065 u\u006e\u0072\u0065s\u006f\u006cv\u0065\u0064\u0020\u0028\u0069\u006cl\u0065\u0067a\u006c\u0029");
return nil ,_e .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_aedb ._fgde [_cecb .ObjectNumber ]=true ;};_beee ,_aege :=_aedb .Resolve (_gfdc );if _aege !=nil {return nil ,_aege ;
};_ca .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_beee );if _acba {_aedb ._fgde [_cecb .ObjectNumber ]=false ;};return _beee ,nil ;};

// WriteString outputs the object as it is to be written to file.
func (_edea *PdfObjectFloat )WriteString ()string {return _fc .FormatFloat (float64 (*_edea ),'f',-1,64);};var _adbb =_c .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");func (_gfaa *JBIG2Image )toBitmap ()(_efe *_bf .Bitmap ,_dgdbe error ){const _effb ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";
if _gfaa .Data ==nil {return nil ,_bg .Error (_effb ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");};if _gfaa .Width ==0||_gfaa .Height ==0{return nil ,_bg .Error (_effb ,"\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 _gfaa .HasPadding {_efe ,_dgdbe =_bf .NewWithData (_gfaa .Width ,_gfaa .Height ,_gfaa .Data );}else {_efe ,_dgdbe =_bf .NewWithUnpaddedData (_gfaa .Width ,_gfaa .Height ,_gfaa .Data );};if _dgdbe !=nil {return nil ,_bg .Wrap (_dgdbe ,_effb ,"");};
return _efe ,nil ;};

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

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

// DecodeStream decodes a JBIG2 encoded stream and returns the result as a slice of bytes.
func (_agbd *JBIG2Encoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _agbd .DecodeBytes (streamObj .Stream );};const _cfce =6;

// MakeDict creates and returns an empty PdfObjectDictionary.
func MakeDict ()*PdfObjectDictionary {_bbcaa :=&PdfObjectDictionary {};_bbcaa ._bcfgf =map[PdfObjectName ]PdfObject {};_bbcaa ._bdae =[]PdfObjectName {};_bbcaa ._fdca =&_d .Mutex {};return _bbcaa ;};

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

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

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

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

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

// 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 (_aggg *PdfParser )Decrypt (password []byte )(bool ,error ){if _aggg ._fbag ==nil {return false ,_e .New ("\u0063\u0068\u0065\u0063k \u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0069\u006f\u006e\u0020\u0066\u0069\u0072s\u0074");};_daee ,_efbbf :=_aggg ._fbag .authenticate (password );
if _efbbf !=nil {return false ,_efbbf ;};if !_daee {_daee ,_efbbf =_aggg ._fbag .authenticate ([]byte (""));};return _daee ,_efbbf ;};func (_gcdd *PdfCrypt )decryptBytes (_baa []byte ,_ceb string ,_bce []byte )([]byte ,error ){_ca .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_fcf ,_dg :=_gcdd ._abc [_ceb ];if !_dg {return nil ,_df .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_ceb );};return _fcf .DecryptBytes (_baa ,_bce );};func (_bgab *PdfParser )parseObject ()(PdfObject ,error ){_ca .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");
_bgab .skipSpaces ();for {_dafc ,_acdb :=_bgab ._dbeed .Peek (2);if _acdb !=nil {if _acdb !=_fa .EOF ||len (_dafc )==0{return nil ,_acdb ;};if len (_dafc )==1{_dafc =append (_dafc ,' ');};};_ca .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_dafc ));
if _dafc [0]=='/'{_gbgga ,_dggabc :=_bgab .parseName ();_ca .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_gbgga );return &_gbgga ,_dggabc ;}else if _dafc [0]=='('{_ca .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");
_cbbf ,_daeadf :=_bgab .parseString ();return _cbbf ,_daeadf ;}else if _dafc [0]=='['{_ca .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");_bebc ,_cedd :=_bgab .parseArray ();return _bebc ,_cedd ;}else if (_dafc [0]=='<')&&(_dafc [1]=='<'){_ca .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");
_aaac ,_aedc :=_bgab .ParseDict ();return _aaac ,_aedc ;}else if _dafc [0]=='<'{_ca .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");_adcf ,_bbcf :=_bgab .parseHexString ();return _adcf ,_bbcf ;}else if _dafc [0]=='%'{_bgab .readComment ();
_bgab .skipSpaces ();}else {_ca .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_dafc ,_ =_bgab ._dbeed .Peek (15);_aabb :=string (_dafc );_ca .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_aabb );
if (len (_aabb )> 3)&&(_aabb [:4]=="\u006e\u0075\u006c\u006c"){_dcdd ,_gbcg :=_bgab .parseNull ();return &_dcdd ,_gbcg ;}else if (len (_aabb )> 4)&&(_aabb [:5]=="\u0066\u0061\u006cs\u0065"){_adeb ,_ddeg :=_bgab .parseBool ();return &_adeb ,_ddeg ;}else if (len (_aabb )> 3)&&(_aabb [:4]=="\u0074\u0072\u0075\u0065"){_abfdf ,_eae :=_bgab .parseBool ();
return &_abfdf ,_eae ;};_begb :=_cegb .FindStringSubmatch (_aabb );if len (_begb )> 1{_dafc ,_ =_bgab ._dbeed .ReadBytes ('R');_ca .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_dafc [:]));_ebcd ,_abea :=_fabe (string (_dafc ));
_ebcd ._ecga =_bgab ;return &_ebcd ,_abea ;};_bccc :=_adbb .FindStringSubmatch (_aabb );if len (_bccc )> 1{_ca .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");_agce ,_bccbe :=_bgab .parseNumber ();return _agce ,_bccbe ;};_bccc =_cgfe .FindStringSubmatch (_aabb );
if len (_bccc )> 1{_ca .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");_ca .Log .Trace ("\u0025\u0020\u0073",_bccc );_aabg ,_eggd :=_bgab .parseNumber ();return _aabg ,_eggd ;
};_ca .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_aabb );return nil ,_e .New ("\u006f\u0062\u006a\u0065\u0063t\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0065\u0072\u0072\u006fr\u0020\u002d\u0020\u0075\u006e\u0065\u0078\u0070\u0065\u0063\u0074\u0065\u0064\u0020\u0070\u0061\u0074\u0074\u0065\u0072\u006e");
};};};

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

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_faca *PdfParser )GetFileOffset ()int64 {_edgfd ,_ :=_faca ._adgc .Seek (0,_fa .SeekCurrent );_edgfd -=int64 (_faca ._dbeed .Buffered ());return _edgfd ;};const (XrefTypeTableEntry xrefType =iota ;XrefTypeObjectStream xrefType =iota ;);

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

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

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

// EncodeImage encodes 'img' golang image.Image into jbig2 encoded bytes document using default encoder settings.
func (_efded *JBIG2Encoder )EncodeImage (img _ef .Image )([]byte ,error ){return _efded .encodeImage (img );};func (_fged *PdfParser )parseString ()(*PdfObjectString ,error ){_fged ._dbeed .ReadByte ();var _aaae _bad .Buffer ;_bfge :=1;for {_fbbga ,_dfgg :=_fged ._dbeed .Peek (1);
if _dfgg !=nil {return MakeString (_aaae .String ()),_dfgg ;};if _fbbga [0]=='\\'{_fged ._dbeed .ReadByte ();_gccb ,_ecab :=_fged ._dbeed .ReadByte ();if _ecab !=nil {return MakeString (_aaae .String ()),_ecab ;};if IsOctalDigit (_gccb ){_cfec ,_cegc :=_fged ._dbeed .Peek (2);
if _cegc !=nil {return MakeString (_aaae .String ()),_cegc ;};var _acaf []byte ;_acaf =append (_acaf ,_gccb );for _ ,_dgef :=range _cfec {if IsOctalDigit (_dgef ){_acaf =append (_acaf ,_dgef );}else {break ;};};_fged ._dbeed .Discard (len (_acaf )-1);_ca .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_acaf );
_ceaeb ,_cegc :=_fc .ParseUint (string (_acaf ),8,32);if _cegc !=nil {return MakeString (_aaae .String ()),_cegc ;};_aaae .WriteByte (byte (_ceaeb ));continue ;};switch _gccb {case 'n':_aaae .WriteRune ('\n');case 'r':_aaae .WriteRune ('\r');case 't':_aaae .WriteRune ('\t');
case 'b':_aaae .WriteRune ('\b');case 'f':_aaae .WriteRune ('\f');case '(':_aaae .WriteRune ('(');case ')':_aaae .WriteRune (')');case '\\':_aaae .WriteRune ('\\');};continue ;}else if _fbbga [0]=='('{_bfge ++;}else if _fbbga [0]==')'{_bfge --;if _bfge ==0{_fged ._dbeed .ReadByte ();
break ;};};_fbcf ,_ :=_fged ._dbeed .ReadByte ();_aaae .WriteByte (_fbcf );};return MakeString (_aaae .String ()),nil ;};

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

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

// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_aed encryptDict ;_acb _bgcc .StdEncryptDict ;_gae string ;_bea []byte ;_cagc map[PdfObject ]bool ;_bde map[PdfObject ]bool ;_abab bool ;_abc cryptFilters ;_cbfc string ;_gbf string ;_dee *PdfParser ;_fae map[int ]struct{};};

// 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 =='.'};

// 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 (_adbe *PdfParser )GetTrailer ()*PdfObjectDictionary {return _adbe ._geeb };

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

// 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 (_acaa *PdfParser )IsEncrypted ()(bool ,error ){if _acaa ._fbag !=nil {return true ,nil ;}else if _acaa ._geeb ==nil {return false ,nil ;};_ca .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");
_cgag :=_acaa ._geeb .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _cgag ==nil {return false ,nil ;};_ca .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_debd *PdfObjectDictionary ;);switch _bbagf :=_cgag .(type ){case *PdfObjectDictionary :_debd =_bbagf ;
case *PdfObjectReference :_ca .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_bbagf );_dcebb ,_bfgbe :=_acaa .LookupByReference (*_bbagf );_ca .Log .Trace ("\u0031\u003a\u0020%\u0071",_dcebb );
if _bfgbe !=nil {return false ,_bfgbe ;};_eeeca ,_dcfg :=_dcebb .(*PdfIndirectObject );if !_dcfg {_ca .Log .Debug ("E\u006e\u0063\u0072\u0079\u0070\u0074\u0069\u006f\u006e\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u006eo\u0074\u0020\u0061\u006e\u0020\u0069\u006e\u0064\u0069\u0072ec\u0074\u0020\u006fb\u006ae\u0063\u0074");
return false ,_e .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_efgf ,_dcfg :=_eeeca .PdfObject .(*PdfObjectDictionary );_acaa ._gdbda =_eeeca ;_ca .Log .Trace ("\u0032\u003a\u0020%\u0071",_efgf );if !_dcfg {return false ,_e .New ("\u0074\u0072a\u0069\u006c\u0065\u0072 \u0045\u006ec\u0072\u0079\u0070\u0074\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u006e\u006f\u006e\u0020\u0064\u0069\u0063\u0074\u0069o\u006e\u0061\u0072\u0079");
};_debd =_efgf ;case *PdfObjectNull :_ca .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 ,_df .Errorf ("u\u006es\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0074\u0079\u0070\u0065: \u0025\u0054",_bbagf );};_fffb ,_geaf :=PdfCryptNewDecrypt (_acaa ,_debd ,_acaa ._geeb );if _geaf !=nil {return false ,_geaf ;
};for _ ,_gafb :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_gdba :=_acaa ._geeb .Get (PdfObjectName (_gafb ));if _gdba ==nil {continue ;};switch _dcfga :=_gdba .(type ){case *PdfObjectReference :_fffb ._fae [int (_dcfga .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_fffb ._cagc [_dcfga ]=true ;_fffb ._fae [int (_dcfga .ObjectNumber )]=struct{}{};};};_acaa ._fbag =_fffb ;_ca .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_fffb );
return true ,nil ;};

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_eacc *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_eacc ._fdca .Lock ();defer _eacc ._fdca .Unlock ();_fgca ,_cdeg :=_eacc ._bcfgf [key ];if !_cdeg {return nil ;};return _fgca ;};

// 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 (_dfa *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _dfa .isDecrypted (obj ){return nil ;};switch _fedc :=obj .(type ){case *PdfIndirectObject :_dfa ._cagc [_fedc ]=true ;_ca .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",_fedc .ObjectNumber ,_fedc .GenerationNumber );
_dcf :=_fedc .ObjectNumber ;_cgc :=_fedc .GenerationNumber ;_cafc :=_dfa .Decrypt (_fedc .PdfObject ,_dcf ,_cgc );if _cafc !=nil {return _cafc ;};return nil ;case *PdfObjectStream :_dfa ._cagc [_fedc ]=true ;_ecee :=_fedc .PdfObjectDictionary ;if _dfa ._acb .R !=5{if _ecec ,_eff :=_ecee .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_eff &&*_ecec =="\u0058\u0052\u0065\u0066"{return nil ;};};_dge :=_fedc .ObjectNumber ;_fdc :=_fedc .GenerationNumber ;_ca .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_dge ,_fdc );
_baab :=_cd ;if _dfa ._aed .V >=4{_baab =_dfa ._cbfc ;_ca .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_dfa ._cbfc );if _aee ,_dbb :=_ecee .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_dbb {if _fbgc ,_bdeg :=GetName (_aee .Get (0));_bdeg {if *_fbgc =="\u0043\u0072\u0079p\u0074"{_baab ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _fac ,_aca :=_ecee .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_aca {if _gdc ,_ggfc :=_fac .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_ggfc {if _ ,_acd :=_dfa ._abc [string (*_gdc )];_acd {_ca .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_gdc );
_baab =string (*_gdc );};};};};};};_ca .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_baab );if _baab =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_gad :=_dfa .Decrypt (_ecee ,_dge ,_fdc );
if _gad !=nil {return _gad ;};_adg ,_gad :=_dfa .makeKey (_baab ,uint32 (_dge ),uint32 (_fdc ),_dfa ._bea );if _gad !=nil {return _gad ;};_fedc .Stream ,_gad =_dfa .decryptBytes (_fedc .Stream ,_baab ,_adg );if _gad !=nil {return _gad ;};_ecee .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_fedc .Stream ))));
return nil ;case *PdfObjectString :_ca .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_ddab :=_cd ;if _dfa ._aed .V >=4{_ca .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_dfa ._gbf );
if _dfa ._gbf =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_ddab =_dfa ._gbf ;};_cbd ,_edg :=_dfa .makeKey (_ddab ,uint32 (parentObjNum ),uint32 (parentGenNum ),_dfa ._bea );if _edg !=nil {return _edg ;};_bbg :=_fedc .Str ();_fbfa :=make ([]byte ,len (_bbg ));
for _fabb :=0;_fabb < len (_bbg );_fabb ++{_fbfa [_fabb ]=_bbg [_fabb ];};if len (_fbfa )> 0{_ca .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_fbfa ,_fbfa );
_fbfa ,_edg =_dfa .decryptBytes (_fbfa ,_ddab ,_cbd );if _edg !=nil {return _edg ;};};_fedc ._bcced =string (_fbfa );return nil ;case *PdfObjectArray :for _ ,_cage :=range _fedc .Elements (){_bddd :=_dfa .Decrypt (_cage ,parentObjNum ,parentGenNum );if _bddd !=nil {return _bddd ;
};};return nil ;case *PdfObjectDictionary :_cad :=false ;if _gdg :=_fedc .Get ("\u0054\u0079\u0070\u0065");_gdg !=nil {_aeafa ,_bab :=_gdg .(*PdfObjectName );if _bab &&*_aeafa =="\u0053\u0069\u0067"{_cad =true ;};};for _ ,_ddf :=range _fedc .Keys (){_aedg :=_fedc .Get (_ddf );
if _cad &&string (_ddf )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_ddf )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_ddf )!="\u0050\u0072\u0065\u0076"&&string (_ddf )!="\u004c\u0061\u0073\u0074"{_bbca :=_dfa .Decrypt (_aedg ,parentObjNum ,parentGenNum );
if _bbca !=nil {return _bbca ;};};};return nil ;};return nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_effe *JPXEncoder )MakeStreamDict ()*PdfObjectDictionary {return MakeDict ()};var _bfdee =_c .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");

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

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

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _ag .Filter ,userPass ,ownerPass []byte ,perm _bgcc .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_bef :=&PdfCrypt {_bde :make (map[PdfObject ]bool ),_abc :make (cryptFilters ),_acb :_bgcc .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _dce Version ;if cf !=nil {_eeaa :=cf .PDFVersion ();_dce .Major ,_dce .Minor =_eeaa [0],_eeaa [1];V ,R :=cf .HandlerVersion ();_bef ._aed .V =V ;_bef ._acb .R =R ;_bef ._aed .Length =cf .KeyLength ()*8;};const (_dfc =_cd ;);_bef ._abc [_dfc ]=cf ;
if _bef ._aed .V >=4{_bef ._cbfc =_dfc ;_bef ._gbf =_dfc ;};_cef :=_bef .newEncryptDict ();_age :=_ce .Sum ([]byte (_cfg .Now ().Format (_cfg .RFC850 )));_cceb :=string (_age [:]);_fce :=make ([]byte ,100);_feb .Read (_fce );_age =_ce .Sum (_fce );_eda :=string (_age [:]);
_ca .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_fce );_ca .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_cceb );_bef ._gae =_cceb ;_gaf :=_bef .generateParams (userPass ,ownerPass );
if _gaf !=nil {return nil ,nil ,_gaf ;};_efa (&_bef ._acb ,_cef );if _bef ._aed .V >=4{if _feg :=_bef .saveCryptFilters (_cef );_feg !=nil {return nil ,nil ,_feg ;};};return _bef ,&EncryptInfo {Version :_dce ,Encrypt :_cef ,ID0 :_cceb ,ID1 :_eda },nil ;
};

// PdfObjectFloat represents the primitive PDF floating point numerical object.
type PdfObjectFloat float64 ;func (_acee *ASCII85Encoder )base256Tobase85 (_dded uint32 )[5]byte {_gdeg :=[5]byte {0,0,0,0,0};_ddgeg :=_dded ;for _bfef :=0;_bfef < 5;_bfef ++{_bfca :=uint32 (1);for _dgb :=0;_dgb < 4-_bfef ;_dgb ++{_bfca *=85;};_gcga :=_ddgeg /_bfca ;
_ddgeg =_ddgeg %_bfca ;_gdeg [_bfef ]=byte (_gcga );};return _gdeg ;};

// 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 (_cdca *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _bccg _fbb .Gray ;switch len (data ){case _cdca .Rows *_cdca .Columns :_ageg ,_dbce :=_fbb .NewImage (_cdca .Columns ,_cdca .Rows ,8,1,data ,nil ,nil );if _dbce !=nil {return nil ,_dbce ;
};_bccg =_ageg .(_fbb .Gray );case (_cdca .Columns *_cdca .Rows )+7>>3:_bdfe ,_bbbb :=_fbb .NewImage (_cdca .Columns ,_cdca .Rows ,1,1,data ,nil ,nil );if _bbbb !=nil {return nil ,_bbbb ;};_cfcca :=_bdfe .(*_fbb .Monochrome );if _bbbb =_cfcca .AddPadding ();
_bbbb !=nil {return nil ,_bbbb ;};_bccg =_cfcca ;default:if len (data )< _fbb .BytesPerLine (_cdca .Columns ,1,1)*_cdca .Rows {return nil ,_e .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_cga ,_dafa :=_fbb .NewImage (_cdca .Columns ,_cdca .Rows ,1,1,data ,nil ,nil );if _dafa !=nil {return nil ,_dafa ;};_faeg :=_cga .(*_fbb .Monochrome );_bccg =_faeg ;};_bdfc :=make ([][]byte ,_cdca .Rows );for _cac :=0;_cac < _cdca .Rows ;_cac ++{_gba :=make ([]byte ,_cdca .Columns );
for _geac :=0;_geac < _cdca .Columns ;_geac ++{_gcef :=_bccg .GrayAt (_geac ,_cac );_gba [_geac ]=_gcef .Y >>7;};_bdfc [_cac ]=_gba ;};_fbgd :=&_ab .Encoder {K :_cdca .K ,Columns :_cdca .Columns ,EndOfLine :_cdca .EndOfLine ,EndOfBlock :_cdca .EndOfBlock ,BlackIs1 :_cdca .BlackIs1 ,DamagedRowsBeforeError :_cdca .DamagedRowsBeforeError ,Rows :_cdca .Rows ,EncodedByteAlign :_cdca .EncodedByteAlign };
return _fbgd .Encode (_bdfc ),nil ;};const (DefaultJPEGQuality =75;);

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

// 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 (_acbb *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_gdgfg :=_bad .NewReader (encoded );var _fdgfd []byte ;for {_bcfa ,_cecd :=_gdgfg .ReadByte ();if _cecd !=nil {return nil ,_cecd ;};if _bcfa > 128{_aad ,_ccfcc :=_gdgfg .ReadByte ();
if _ccfcc !=nil {return nil ,_ccfcc ;};for _bcfg :=0;_bcfg < 257-int (_bcfa );_bcfg ++{_fdgfd =append (_fdgfd ,_aad );};}else if _bcfa < 128{for _ddfgf :=0;_ddfgf < int (_bcfa )+1;_ddfgf ++{_bfbc ,_egda :=_gdgfg .ReadByte ();if _egda !=nil {return nil ,_egda ;
};_fdgfd =append (_fdgfd ,_bfbc );};}else {break ;};};return _fdgfd ,nil ;};func _bede (_aeddb PdfObject ,_bddge int )PdfObject {if _bddge > _dcggg {_ca .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",_dcggg );
return MakeNull ();};switch _bbceb :=_aeddb .(type ){case *PdfIndirectObject :_aeddb =_bede ((*_bbceb ).PdfObject ,_bddge +1);case *PdfObjectArray :for _bdggb ,_cffa :=range (*_bbceb )._dcef {(*_bbceb )._dcef [_bdggb ]=_bede (_cffa ,_bddge +1);};case *PdfObjectDictionary :for _dgbe ,_gbaa :=range (*_bbceb )._bcfgf {(*_bbceb )._bcfgf [_dgbe ]=_bede (_gbaa ,_bddge +1);
};_b .Slice ((*_bbceb )._bdae ,func (_gaeaa ,_dfbd int )bool {return (*_bbceb )._bdae [_gaeaa ]< (*_bbceb )._bdae [_dfbd ]});};return _aeddb ;};

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

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

// ToGoImage converts the JBIG2Image to the golang image.Image.
func (_aabd *JBIG2Image )ToGoImage ()(_ef .Image ,error ){const _fgec ="J\u0042I\u0047\u0032\u0049\u006d\u0061\u0067\u0065\u002eT\u006f\u0047\u006f\u0049ma\u0067\u0065";if _aabd .Data ==nil {return nil ,_bg .Error (_fgec ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");
};if _aabd .Width ==0||_aabd .Height ==0{return nil ,_bg .Error (_fgec ,"\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");
};_acbdg ,_bbcaf :=_fbb .NewImage (_aabd .Width ,_aabd .Height ,1,1,_aabd .Data ,nil ,nil );if _bbcaf !=nil {return nil ,_bbcaf ;};return _acbdg ,nil ;};func (_ecad *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_ecad ._dbeed )};

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

// 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 (_bcebf *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_ceae :=n ;_eced :=0;_ccg :=0;for _ceae > 0{_ffff ,_gbff :=_bcebf ._dbeed .Read (p [_eced :]);if _gbff !=nil {_ca .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",_ffff ,_ccg ,_gbff .Error ());
return _eced ,_e .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_ccg ++;_eced +=_ffff ;_ceae -=_ffff ;};return _eced ,nil ;};

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

// 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 (_dddcd *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_bgca :=PdfIndirectObject {};_bgca ._ecga =_dddcd ;_ca .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_dafgc ,_afec :=_dddcd ._dbeed .Peek (20);
if _afec !=nil {if _afec !=_fa .EOF {_ca .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 &_bgca ,_afec ;
};};_ca .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_dafgc ));_ggef :=_gebf .FindStringSubmatchIndex (string (_dafgc ));if len (_ggef )< 6{if _afec ==_fa .EOF {return nil ,_afec ;
};_ca .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 (_dafgc ));
return &_bgca ,_e .New ("\u0075\u006e\u0061b\u006c\u0065\u0020\u0074\u006f\u0020\u0064\u0065\u0074\u0065\u0063\u0074\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020s\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065");
};_dddcd ._dbeed .Discard (_ggef [0]);_ca .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_ggef );_fafc :=_ggef [1]-_ggef [0];_ddagg :=make ([]byte ,_fafc );_ ,_afec =_dddcd .ReadAtLeast (_ddagg ,_fafc );if _afec !=nil {_ca .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",_afec );
return nil ,_afec ;};_ca .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_ddagg );_dgec :=_gebf .FindStringSubmatch (string (_ddagg ));if len (_dgec )< 3{_ca .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 (_ddagg ));
return &_bgca ,_e .New ("\u0075\u006e\u0061b\u006c\u0065\u0020\u0074\u006f\u0020\u0064\u0065\u0074\u0065\u0063\u0074\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020s\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065");
};_fddbec ,_ :=_fc .Atoi (_dgec [1]);_egdef ,_ :=_fc .Atoi (_dgec [2]);_bgca .ObjectNumber =int64 (_fddbec );_bgca .GenerationNumber =int64 (_egdef );for {_fgbbe ,_bgdc :=_dddcd ._dbeed .Peek (2);if _bgdc !=nil {return &_bgca ,_bgdc ;};_ca .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_fgbbe ),string (_fgbbe ));
if IsWhiteSpace (_fgbbe [0]){_dddcd .skipSpaces ();}else if _fgbbe [0]=='%'{_dddcd .skipComments ();}else if (_fgbbe [0]=='<')&&(_fgbbe [1]=='<'){_ca .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_bgca .PdfObject ,_bgdc =_dddcd .ParseDict ();
_ca .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_bgdc );if _bgdc !=nil {return &_bgca ,_bgdc ;};_ca .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 (_fgbbe [0]=='/')||(_fgbbe [0]=='(')||(_fgbbe [0]=='[')||(_fgbbe [0]=='<'){_bgca .PdfObject ,_bgdc =_dddcd .parseObject ();if _bgdc !=nil {return &_bgca ,_bgdc ;};_ca .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 _fgbbe [0]==']'{_ca .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");
_dddcd ._dbeed .Discard (1);}else {if _fgbbe [0]=='e'{_cgef ,_gbda :=_dddcd .readTextLine ();if _gbda !=nil {return nil ,_gbda ;};if len (_cgef )>=6&&_cgef [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _fgbbe [0]=='s'{_fgbbe ,_ =_dddcd ._dbeed .Peek (10);
if string (_fgbbe [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_dggd :=6;if len (_fgbbe )> 6{if IsWhiteSpace (_fgbbe [_dggd ])&&_fgbbe [_dggd ]!='\r'&&_fgbbe [_dggd ]!='\n'{_ca .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");
_dddcd ._bagce ._ccec =true ;_dggd ++;};if _fgbbe [_dggd ]=='\r'{_dggd ++;if _fgbbe [_dggd ]=='\n'{_dggd ++;};}else if _fgbbe [_dggd ]=='\n'{_dggd ++;}else {_dddcd ._bagce ._ccec =true ;};};_dddcd ._dbeed .Discard (_dggd );_faff ,_egae :=_bgca .PdfObject .(*PdfObjectDictionary );
if !_egae {return nil ,_e .New ("\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u006di\u0073s\u0069\u006e\u0067\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079");};_ca .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_faff );
_gabfe ,_gecc :=_dddcd .traceStreamLength (_faff .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _gecc !=nil {_ca .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",_gecc );
return nil ,_gecc ;};_ca .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_gabfe );_fedac ,_baee :=_gabfe .(*PdfObjectInteger );if !_baee {return nil ,_e .New ("\u0073\u0074re\u0061\u006d\u0020l\u0065\u006e\u0067\u0074h n\u0065ed\u0073\u0020\u0074\u006f\u0020\u0062\u0065 a\u006e\u0020\u0069\u006e\u0074\u0065\u0067e\u0072");
};_cbdfe :=*_fedac ;if _cbdfe < 0{return nil ,_e .New ("\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006e\u0065\u0065\u0064\u0073\u0020\u0074\u006f \u0062e\u0020\u006c\u006f\u006e\u0067\u0065\u0072\u0020\u0074\u0068\u0061\u006e\u0020\u0030");};_afbe :=_dddcd .GetFileOffset ();
_ebgd :=_dddcd .xrefNextObjectOffset (_afbe );if _afbe +int64 (_cbdfe )> _ebgd &&_ebgd > _afbe {_ca .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_afbe +int64 (_cbdfe ));_ca .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",_ebgd );
_cfgb :=_ebgd -_afbe -17;if _cfgb < 0{return nil ,_e .New ("\u0069n\u0076\u0061l\u0069\u0064\u0020\u0073t\u0072\u0065\u0061m\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u002c\u0020go\u0069\u006e\u0067 \u0070\u0061s\u0074\u0020\u0062\u006f\u0075\u006ed\u0061\u0072i\u0065\u0073");
};_ca .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",_cfgb );_cbdfe =PdfObjectInteger (_cfgb );
_faff .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_cfgb ));};if int64 (_cbdfe )> _dddcd ._ggag {_ca .Log .Debug ("\u0045\u0052R\u004f\u0052\u003a\u0020\u0053t\u0072\u0065\u0061\u006d\u0020l\u0065\u006e\u0067\u0074\u0068\u0020\u0063\u0061\u006e\u006e\u006f\u0074\u0020\u0062\u0065\u0020\u006c\u0061\u0072\u0067\u0065\u0072\u0020\u0074\u0068\u0061\u006e\u0020\u0066\u0069\u006c\u0065\u0020\u0073\u0069\u007a\u0065");
return nil ,_e .New ("\u0069n\u0076\u0061l\u0069\u0064\u0020\u0073t\u0072\u0065\u0061m\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u002c\u0020la\u0072\u0067\u0065r\u0020\u0074h\u0061\u006e\u0020\u0066\u0069\u006ce\u0020\u0073i\u007a\u0065");};_cfccd :=make ([]byte ,_cbdfe );
_ ,_gecc =_dddcd .ReadAtLeast (_cfccd ,int (_cbdfe ));if _gecc !=nil {_ca .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_cfccd ),_cfccd );_ca .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_gecc );
return nil ,_gecc ;};_faga :=PdfObjectStream {};_faga .Stream =_cfccd ;_faga .PdfObjectDictionary =_bgca .PdfObject .(*PdfObjectDictionary );_faga .ObjectNumber =_bgca .ObjectNumber ;_faga .GenerationNumber =_bgca .GenerationNumber ;_faga .PdfObjectReference ._ecga =_dddcd ;
_dddcd .skipSpaces ();_dddcd ._dbeed .Discard (9);_dddcd .skipSpaces ();return &_faga ,nil ;};};_bgca .PdfObject ,_bgdc =_dddcd .parseObject ();if _bgca .PdfObject ==nil {_ca .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");
_bgca .PdfObject =MakeNull ();};return &_bgca ,_bgdc ;};};if _bgca .PdfObject ==nil {_ca .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");
_bgca .PdfObject =MakeNull ();};_ca .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_bgca ,nil ;};

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

// For predictors
Columns int ;Colors int ;

// LZW algorithm setting.
EarlyChange int ;};

// NewJBIG2Encoder creates a new JBIG2Encoder.
func NewJBIG2Encoder ()*JBIG2Encoder {return &JBIG2Encoder {_cbdgc :_dd .InitEncodeDocument (false )}};func (_abgd *PdfParser )parseDetailedHeader ()(_dac error ){_abgd ._adgc .Seek (0,_fa .SeekStart );_abgd ._dbeed =_cb .NewReader (_abgd ._adgc );_efg :=20;
_bceb :=make ([]byte ,_efg );var (_ddc bool ;_fdf int ;);for {_edfd ,_aef :=_abgd ._dbeed .ReadByte ();if _aef !=nil {if _aef ==_fa .EOF {break ;}else {return _aef ;};};if IsDecimalDigit (_edfd )&&_bceb [_efg -1]=='.'&&IsDecimalDigit (_bceb [_efg -2])&&_bceb [_efg -3]=='-'&&_bceb [_efg -4]=='F'&&_bceb [_efg -5]=='D'&&_bceb [_efg -6]=='P'&&_bceb [_efg -7]=='%'{_abgd ._gcfg =Version {Major :int (_bceb [_efg -2]-'0'),Minor :int (_edfd -'0')};
_abgd ._bagce ._fge =_fdf -7;_ddc =true ;break ;};_fdf ++;_bceb =append (_bceb [1:_efg ],_edfd );};if !_ddc {return _df .Errorf ("n\u006f \u0066\u0069\u006c\u0065\u0020\u0068\u0065\u0061d\u0065\u0072\u0020\u0066ou\u006e\u0064");};_gac ,_dac :=_abgd ._dbeed .ReadByte ();
if _dac ==_fa .EOF {return _df .Errorf ("\u006eo\u0074\u0020\u0061\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0050d\u0066\u0020\u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074");};if _dac !=nil {return _dac ;};_abgd ._bagce ._ccef =_gac =='\n';_gac ,_dac =_abgd ._dbeed .ReadByte ();
if _dac !=nil {return _df .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",_dac );};if _gac !='%'{return nil ;};_bee :=make ([]byte ,4);_ ,_dac =_abgd ._dbeed .Read (_bee );
if _dac !=nil {return _df .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",_dac );};_abgd ._bagce ._ddee =[4]byte {_bee [0],_bee [1],_bee [2],_bee [3]};
return nil ;};

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

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_eeea *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _dgd _ef .Image ;if _eeea .ColorComponents ==1&&_eeea .BitsPerComponent ==8{_dgd =&_ef .Gray {Rect :_ef .Rect (0,0,_eeea .Width ,_eeea .Height ),Pix :data ,Stride :_fbb .BytesPerLine (_eeea .Width ,_eeea .BitsPerComponent ,_eeea .ColorComponents )};
}else {var _bfde error ;_dgd ,_bfde =_fbb .NewImage (_eeea .Width ,_eeea .Height ,_eeea .BitsPerComponent ,_eeea .ColorComponents ,data ,nil ,nil );if _bfde !=nil {return nil ,_bfde ;};};_ddbc :=_gg .Options {};_ddbc .Quality =_eeea .Quality ;var _abbg _bad .Buffer ;
if _fgcg :=_gg .Encode (&_abbg ,_dgd ,&_ddbc );_fgcg !=nil {return nil ,_fgcg ;};return _abbg .Bytes (),nil ;};

// LookupByNumber looks up a PdfObject by object number.  Returns an error on failure.
func (_cfcf *PdfParser )LookupByNumber (objNumber int )(PdfObject ,error ){_agg ,_ ,_ddb :=_cfcf .lookupByNumberWrapper (objNumber ,true );return _agg ,_ddb ;};func _adfb ()string {return _ca .Version };

// 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 ;};func _ebc (_cbg PdfObject )(int64 ,int64 ,error ){if _badb ,_dcd :=_cbg .(*PdfIndirectObject );_dcd {return _badb .ObjectNumber ,_badb .GenerationNumber ,nil ;};if _cce ,_ebf :=_cbg .(*PdfObjectStream );_ebf {return _cce .ObjectNumber ,_cce .GenerationNumber ,nil ;
};return 0,0,_e .New ("\u006e\u006ft\u0020\u0061\u006e\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u002f\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006f\u0062je\u0063\u0074");};

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_gbec *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_cfef :=_bad .NewReader (encoded );var _bacgd []byte ;for {_abe ,_cgca :=_cfef .ReadByte ();if _cgca !=nil {return nil ,_cgca ;};if _abe =='>'{break ;};if IsWhiteSpace (_abe ){continue ;
};if (_abe >='a'&&_abe <='f')||(_abe >='A'&&_abe <='F')||(_abe >='0'&&_abe <='9'){_bacgd =append (_bacgd ,_abe );}else {_ca .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",_abe );
return nil ,_df .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",_abe );};};if len (_bacgd )%2==1{_bacgd =append (_bacgd ,'0');
};_ca .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_bacgd );_dgc :=make ([]byte ,_ee .DecodedLen (len (_bacgd )));_ ,_fbbb :=_ee .Decode (_dgc ,_bacgd );if _fbbb !=nil {return nil ,_fbbb ;};return _dgc ,nil ;};

// UpdateParams updates the parameter values of the encoder.
func (_def *LZWEncoder )UpdateParams (params *PdfObjectDictionary ){_cggf ,_gdce :=GetNumberAsInt64 (params .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr"));if _gdce ==nil {_def .Predictor =int (_cggf );};_gcg ,_gdce :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));
if _gdce ==nil {_def .BitsPerComponent =int (_gcg );};_ecc ,_gdce :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));if _gdce ==nil {_def .Columns =int (_ecc );};_cdcd ,_gdce :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));
if _gdce ==nil {_def .Colors =int (_cdcd );};_ffb ,_gdce :=GetNumberAsInt64 (params .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));if _gdce ==nil {_def .EarlyChange =int (_ffb );};};func _gab (_bge *_bgcc .StdEncryptDict ,_agdb *PdfObjectDictionary )error {R ,_acf :=_agdb .Get ("\u0052").(*PdfObjectInteger );
if !_acf {return _e .New ("\u0065\u006e\u0063\u0072y\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006ea\u0072y\u0020\u006d\u0069\u0073\u0073\u0069\u006eg\u0020\u0052");};if *R < 2||*R > 6{return _df .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0052 \u0028\u0025\u0064\u0029",*R );
};_bge .R =int (*R );O ,_acf :=_agdb .GetString ("\u004f");if !_acf {return _e .New ("\u0065\u006e\u0063\u0072y\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006ea\u0072y\u0020\u006d\u0069\u0073\u0073\u0069\u006eg\u0020\u004f");};if _bge .R ==5||_bge .R ==6{if len (O )< 48{return _df .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 _df .Errorf ("L\u0065n\u0067\u0074\u0068\u0028\u004f\u0029\u0020\u0021=\u0020\u0033\u0032\u0020(%\u0064\u0029",len (O ));};_bge .O =[]byte (O );U ,_acf :=_agdb .GetString ("\u0055");if !_acf {return _e .New ("\u0065\u006e\u0063\u0072y\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006ea\u0072y\u0020\u006d\u0069\u0073\u0073\u0069\u006eg\u0020\u0055");
};if _bge .R ==5||_bge .R ==6{if len (U )< 48{return _df .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{_ca .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 ));
};_bge .U =[]byte (U );if _bge .R >=5{OE ,_db :=_agdb .GetString ("\u004f\u0045");if !_db {return _e .New ("\u0065\u006ec\u0072\u0079\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0020\u006d\u0069\u0073\u0073\u0069\u006eg \u004f\u0045");
}else if len (OE )!=32{return _df .Errorf ("L\u0065\u006e\u0067\u0074h(\u004fE\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (OE ));};_bge .OE =[]byte (OE );UE ,_db :=_agdb .GetString ("\u0055\u0045");if !_db {return _e .New ("\u0065\u006ec\u0072\u0079\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079\u0020\u006d\u0069\u0073\u0073\u0069\u006eg \u0055\u0045");
}else if len (UE )!=32{return _df .Errorf ("L\u0065\u006e\u0067\u0074h(\u0055E\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (UE ));};_bge .UE =[]byte (UE );};P ,_acf :=_agdb .Get ("\u0050").(*PdfObjectInteger );if !_acf {return _e .New ("\u0065\u006e\u0063\u0072\u0079\u0070\u0074 \u0064\u0069\u0063t\u0069\u006f\u006e\u0061r\u0079\u0020\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0020\u0070\u0065\u0072\u006d\u0069\u0073\u0073\u0069\u006f\u006e\u0073\u0020\u0061\u0074\u0074\u0072");
};_bge .P =_bgcc .Permissions (*P );if _bge .R ==6{Perms ,_dffc :=_agdb .GetString ("\u0050\u0065\u0072m\u0073");if !_dffc {return _e .New ("\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006ea\u0072y\u0020\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0020\u0050\u0065\u0072\u006d\u0073");
}else if len (Perms )!=16{return _df .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 ));};_bge .Perms =[]byte (Perms );};if _gge ,_cea :=_agdb .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_cea {_bge .EncryptMetadata =bool (*_gge );}else {_bge .EncryptMetadata =true ;};return nil ;};func (_bbcg *PdfParser )repairLocateXref ()(int64 ,error ){_ffdfg :=int64 (1000);_bbcg ._adgc .Seek (-_ffdfg ,_fa .SeekCurrent );_fcgc ,_gcabcb :=_bbcg ._adgc .Seek (0,_fa .SeekCurrent );
if _gcabcb !=nil {return 0,_gcabcb ;};_gafe :=make ([]byte ,_ffdfg );_bbcg ._adgc .Read (_gafe );_dacb :=_beag .FindAllStringIndex (string (_gafe ),-1);if len (_dacb )< 1{_ca .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0052\u0065\u0070a\u0069\u0072\u003a\u0020\u0078\u0072\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0021");
return 0,_e .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");};_feag :=int64 (_dacb [len (_dacb )-1][0]);_ecdb :=_fcgc +_feag ;return _ecdb ,nil ;};

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

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

// GetFilterName returns the name of the encoding filter.
func (_egdb *JPXEncoder )GetFilterName ()string {return StreamEncodingFilterNameJPX };func (_fbagf *PdfParser )resolveReference (_fcabf *PdfObjectReference )(PdfObject ,bool ,error ){_ceaea ,_debf :=_fbagf .ObjCache [int (_fcabf .ObjectNumber )];if _debf {return _ceaea ,true ,nil ;
};_eecf ,_edabe :=_fbagf .LookupByReference (*_fcabf );if _edabe !=nil {return nil ,false ,_edabe ;};_fbagf .ObjCache [int (_fcabf .ObjectNumber )]=_eecf ;return _eecf ,false ,nil ;};

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

// MakeHexString creates an PdfObjectString from a string intended for output as a hexadecimal string.
func MakeHexString (s string )*PdfObjectString {_gaag :=PdfObjectString {_bcced :s ,_agege :true };return &_gaag ;};func _ccbef (_fffee *PdfObjectStream ,_fbdg *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _ade ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";
_cbae :=NewJBIG2Encoder ();_edagb :=_fffee .PdfObjectDictionary ;if _edagb ==nil {return _cbae ,nil ;};if _fbdg ==nil {_dabb :=_edagb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _dabb !=nil {switch _gbfgb :=_dabb .(type ){case *PdfObjectDictionary :_fbdg =_gbfgb ;
case *PdfObjectArray :if _gbfgb .Len ()==1{if _gdec ,_edab :=GetDict (_gbfgb .Get (0));_edab {_fbdg =_gdec ;};};default:_ca .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",_dabb );
return nil ,_bg .Errorf (_ade ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_gbfgb );};};};if _fbdg ==nil {return _cbae ,nil ;};_cbae .UpdateParams (_fbdg );
_gdgcc ,_cbec :=GetStream (_fbdg .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_cbec {return _cbae ,nil ;};var _fagd error ;_cbae .Globals ,_fagd =_bgc .DecodeGlobals (_gdgcc .Stream );if _fagd !=nil {_fagd =_bg .Wrap (_fagd ,_ade ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_ca .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_fagd );return nil ,_fagd ;};return _cbae ,nil ;};

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

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

// WriteString outputs the PDF primitive as written to file as expected by the standard.
// TODO(dennwc): it should return a byte slice, or accept a writer
WriteString ()string ;};func (_eacbg *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _eacbg ._cefg {return nil ,_df .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");};_eacbg ._cefg =true ;_eacbg ._adgc .Seek (0,_fa .SeekStart );
_eacbg ._dbeed =_cb .NewReader (_eacbg ._adgc );_egbcf :=20;_dcgf :=make ([]byte ,_egbcf );_cdfe :=XrefTable {};_cdfe .ObjectMap =make (map[int ]XrefObject );for {_dbdeg ,_fgfe :=_eacbg ._dbeed .ReadByte ();if _fgfe !=nil {if _fgfe ==_fa .EOF {break ;}else {return nil ,_fgfe ;
};};if _dbdeg =='j'&&_dcgf [_egbcf -1]=='b'&&_dcgf [_egbcf -2]=='o'&&IsWhiteSpace (_dcgf [_egbcf -3]){_badd :=_egbcf -4;for IsWhiteSpace (_dcgf [_badd ])&&_badd > 0{_badd --;};if _badd ==0||!IsDecimalDigit (_dcgf [_badd ]){continue ;};for IsDecimalDigit (_dcgf [_badd ])&&_badd > 0{_badd --;
};if _badd ==0||!IsWhiteSpace (_dcgf [_badd ]){continue ;};for IsWhiteSpace (_dcgf [_badd ])&&_badd > 0{_badd --;};if _badd ==0||!IsDecimalDigit (_dcgf [_badd ]){continue ;};for IsDecimalDigit (_dcgf [_badd ])&&_badd > 0{_badd --;};if _badd ==0{continue ;
};_aeee :=_eacbg .GetFileOffset ()-int64 (_egbcf -_badd );_dbgf :=append (_dcgf [_badd +1:],_dbdeg );_dgbc ,_gafce ,_aagb :=_cfee (string (_dbgf ));if _aagb !=nil {_ca .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",_aagb );
return nil ,_aagb ;};if _dcfd ,_edge :=_cdfe .ObjectMap [_dgbc ];!_edge ||_dcfd .Generation < _gafce {_bcfe :=XrefObject {};_bcfe .XType =XrefTypeTableEntry ;_bcfe .ObjectNumber =_dgbc ;_bcfe .Generation =_gafce ;_bcfe .Offset =_aeee ;_cdfe .ObjectMap [_dgbc ]=_bcfe ;
};};_dcgf =append (_dcgf [1:_egbcf ],_dbdeg );};_eacbg ._ffgb =nil ;return &_cdfe ,nil ;};

// NewParser creates a new parser for a PDF file via ReadSeeker. Loads the cross reference stream and trailer.
// An error is returned on failure.
func NewParser (rs _fa .ReadSeeker )(*PdfParser ,error ){_cfda :=&PdfParser {_adgc :rs ,ObjCache :make (objectCache ),_fgde :map[int64 ]bool {},_ccbee :make ([]int64 ,0),_begf :make (map[*PdfParser ]*PdfParser )};_bgg ,_bbabe ,_badbf :=_cfda .parsePdfVersion ();
if _badbf !=nil {_ca .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",_badbf );return nil ,_badbf ;};_cfda ._gcfg .Major =_bgg ;_cfda ._gcfg .Minor =_bbabe ;
if _cfda ._geeb ,_badbf =_cfda .loadXrefs ();_badbf !=nil {_ca .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",_badbf );return nil ,_badbf ;
};_ca .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_cfda ._geeb );_fade ,_badbf :=_cfda .parseLinearizedDictionary ();if _badbf !=nil {return nil ,_badbf ;};if _fade !=nil {_cfda ._bgdfg ,_badbf =_cfda .checkLinearizedInformation (_fade );
if _badbf !=nil {return nil ,_badbf ;};};if len (_cfda ._fgfa .ObjectMap )==0{return nil ,_df .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");
};_cfda ._dafg =len (_cfda ._ccbee );if _cfda ._bgdfg &&_cfda ._dafg !=0{_cfda ._dafg --;};_cfda ._efbf =make ([]*PdfParser ,_cfda ._dafg );return _cfda ,nil ;};

// SetImage sets the image base for given flate encoder.
func (_bgda *FlateEncoder )SetImage (img *_fbb .ImageBase ){_bgda ._bbgbf =img };const _dcggg =10;

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

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

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

// GetEncryptObj returns the PdfIndirectObject which has information about the PDFs encryption details.
func (_fffa *PdfParser )GetEncryptObj ()*PdfIndirectObject {return _fffa ._gdbda };func (_fgab *PdfParser )parseLinearizedDictionary ()(*PdfObjectDictionary ,error ){_daafa ,_dabbf :=_fgab ._adgc .Seek (0,_fa .SeekEnd );if _dabbf !=nil {return nil ,_dabbf ;
};var _bgefd int64 ;var _ecaaf int64 =2048;for _bgefd < _daafa -4{if _daafa <=(_ecaaf +_bgefd ){_ecaaf =_daafa -_bgefd ;};_ ,_edec :=_fgab ._adgc .Seek (_bgefd ,_fa .SeekStart );if _edec !=nil {return nil ,_edec ;};_gdfe :=make ([]byte ,_ecaaf );_ ,_edec =_fgab ._adgc .Read (_gdfe );
if _edec !=nil {return nil ,_edec ;};_ca .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 (_gdfe ));
_bgge :=_gebf .FindAllStringIndex (string (_gdfe ),-1);if _bgge !=nil {_dacf :=_bgge [0];_ca .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_bgge );_ ,_bcee :=_fgab ._adgc .Seek (int64 (_dacf [0]),_fa .SeekStart );if _bcee !=nil {return nil ,_bcee ;
};_fgab ._dbeed =_cb .NewReader (_fgab ._adgc );_bgbcc ,_bcee :=_fgab .ParseIndirectObject ();if _bcee !=nil {return nil ,nil ;};if _dbeedb ,_cefa :=GetIndirect (_bgbcc );_cefa {if _gfccc ,_aecg :=GetDict (_dbeedb .PdfObject );_aecg {if _feaac :=_gfccc .Get ("\u004c\u0069\u006e\u0065\u0061\u0072\u0069\u007a\u0065\u0064");
_feaac !=nil {return _gfccc ,nil ;};return nil ,nil ;};};return nil ,nil ;};_bgefd +=_ecaaf -4;};return nil ,_e .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");
};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_ccdb *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_afb :=_bad .NewReader (data );var _gdad []byte ;var _gdeb []byte ;_cdeca ,_bdfb :=_afb .ReadByte ();if _bdfb ==_fa .EOF {return []byte {},nil ;}else if _bdfb !=nil {return nil ,_bdfb ;
};_ffcg :=1;for {_dadee ,_dgf :=_afb .ReadByte ();if _dgf ==_fa .EOF {break ;}else if _dgf !=nil {return nil ,_dgf ;};if _dadee ==_cdeca {if len (_gdeb )> 0{_gdeb =_gdeb [:len (_gdeb )-1];if len (_gdeb )> 0{_gdad =append (_gdad ,byte (len (_gdeb )-1));
_gdad =append (_gdad ,_gdeb ...);};_ffcg =1;_gdeb =[]byte {};};_ffcg ++;if _ffcg >=127{_gdad =append (_gdad ,byte (257-_ffcg ),_cdeca );_ffcg =0;};}else {if _ffcg > 0{if _ffcg ==1{_gdeb =[]byte {_cdeca };}else {_gdad =append (_gdad ,byte (257-_ffcg ),_cdeca );
};_ffcg =0;};_gdeb =append (_gdeb ,_dadee );if len (_gdeb )>=127{_gdad =append (_gdad ,byte (len (_gdeb )-1));_gdad =append (_gdad ,_gdeb ...);_gdeb =[]byte {};};};_cdeca =_dadee ;};if len (_gdeb )> 0{_gdad =append (_gdad ,byte (len (_gdeb )-1));_gdad =append (_gdad ,_gdeb ...);
}else if _ffcg > 0{_gdad =append (_gdad ,byte (257-_ffcg ),_cdeca );};_gdad =append (_gdad ,128);return _gdad ,nil ;};

// EncodeBytes implements support for LZW encoding.  Currently not supporting predictors (raw compressed data only).
// Only supports the Early change = 1 algorithm (compress/lzw) as the other implementation
// does not have a write method.
// TODO: Consider refactoring compress/lzw to allow both.
func (_caafc *LZWEncoder )EncodeBytes (data []byte )([]byte ,error ){if _caafc .Predictor !=1{return nil ,_df .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 _caafc .EarlyChange ==1{return nil ,_df .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 _ada _bad .Buffer ;_fbcc :=_cf .NewWriter (&_ada ,_cf .MSB ,8);_fbcc .Write (data );_fbcc .Close ();return _ada .Bytes (),nil ;};var _fbgg =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};

// 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 )(_ffdd *PdfObjectStream ,_bcca bool ){obj =ResolveReference (obj );_ffdd ,_bcca =obj .(*PdfObjectStream );return _ffdd ,_bcca ;};func _bbfcd (_aaca ,_cbeg PdfObject ,_cbgdb int )bool {if _cbgdb > _dcggg {_ca .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",_dcggg );
return false ;};if _aaca ==nil &&_cbeg ==nil {return true ;}else if _aaca ==nil ||_cbeg ==nil {return false ;};if _f .TypeOf (_aaca )!=_f .TypeOf (_cbeg ){return false ;};switch _bgdg :=_aaca .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_bgdg ==*(_cbeg .(*PdfObjectName ));case *PdfObjectString :return *_bgdg ==*(_cbeg .(*PdfObjectString ));case *PdfObjectInteger :return *_bgdg ==*(_cbeg .(*PdfObjectInteger ));case *PdfObjectBool :return *_bgdg ==*(_cbeg .(*PdfObjectBool ));
case *PdfObjectFloat :return *_bgdg ==*(_cbeg .(*PdfObjectFloat ));case *PdfIndirectObject :return _bbfcd (TraceToDirectObject (_aaca ),TraceToDirectObject (_cbeg ),_cbgdb +1);case *PdfObjectArray :_dgcb :=_cbeg .(*PdfObjectArray );if len ((*_bgdg )._dcef )!=len ((*_dgcb )._dcef ){return false ;
};for _bdfga ,_gefgg :=range (*_bgdg )._dcef {if !_bbfcd (_gefgg ,(*_dgcb )._dcef [_bdfga ],_cbgdb +1){return false ;};};return true ;case *PdfObjectDictionary :_fbcd :=_cbeg .(*PdfObjectDictionary );_gffb ,_faffe :=(*_bgdg )._bcfgf ,(*_fbcd )._bcfgf ;
if len (_gffb )!=len (_faffe ){return false ;};for _bgdab ,_ggdg :=range _gffb {_bcede ,_gagbg :=_faffe [_bgdab ];if !_gagbg ||!_bbfcd (_ggdg ,_bcede ,_cbgdb +1){return false ;};};return true ;case *PdfObjectStream :_dfce :=_cbeg .(*PdfObjectStream );return _bbfcd ((*_bgdg ).PdfObjectDictionary ,(*_dfce ).PdfObjectDictionary ,_cbgdb +1);
default:_ca .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",_aaca );
};return false ;};var _cacd =_e .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");type limitedReadSeeker struct{_cdaae _fa .ReadSeeker ;_aaaf int64 ;};

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

// 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 (_gaff *PdfObjectDictionary )SetIfNotNil (key PdfObjectName ,val PdfObject ){if val !=nil {switch _ddbcb :=val .(type ){case *PdfObjectName :if _ddbcb !=nil {_gaff .Set (key ,val );};case *PdfObjectDictionary :if _ddbcb !=nil {_gaff .Set (key ,val );
};case *PdfObjectStream :if _ddbcb !=nil {_gaff .Set (key ,val );};case *PdfObjectString :if _ddbcb !=nil {_gaff .Set (key ,val );};case *PdfObjectNull :if _ddbcb !=nil {_gaff .Set (key ,val );};case *PdfObjectInteger :if _ddbcb !=nil {_gaff .Set (key ,val );
};case *PdfObjectArray :if _ddbcb !=nil {_gaff .Set (key ,val );};case *PdfObjectBool :if _ddbcb !=nil {_gaff .Set (key ,val );};case *PdfObjectFloat :if _ddbcb !=nil {_gaff .Set (key ,val );};case *PdfObjectReference :if _ddbcb !=nil {_gaff .Set (key ,val );
};case *PdfIndirectObject :if _ddbcb !=nil {_gaff .Set (key ,val );};default:_ca .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 (_bbbc *PdfParser )parseName ()(PdfObjectName ,error ){var _bfdb _bad .Buffer ;_deaf :=false ;for {_agabf ,_cbad :=_bbbc ._dbeed .Peek (1);if _cbad ==_fa .EOF {break ;};if _cbad !=nil {return PdfObjectName (_bfdb .String ()),_cbad ;};if !_deaf {if _agabf [0]=='/'{_deaf =true ;
_bbbc ._dbeed .ReadByte ();}else if _agabf [0]=='%'{_bbbc .readComment ();_bbbc .skipSpaces ();}else {_ca .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",_agabf ,_agabf );
return PdfObjectName (_bfdb .String ()),_df .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_agabf [0]);};}else {if IsWhiteSpace (_agabf [0]){break ;}else if (_agabf [0]=='/')||(_agabf [0]=='[')||(_agabf [0]=='(')||(_agabf [0]==']')||(_agabf [0]=='<')||(_agabf [0]=='>'){break ;
}else if _agabf [0]=='#'{_fcfg ,_facc :=_bbbc ._dbeed .Peek (3);if _facc !=nil {return PdfObjectName (_bfdb .String ()),_facc ;};_ceed ,_facc :=_ee .DecodeString (string (_fcfg [1:3]));if _facc !=nil {_ca .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");
_bfdb .WriteByte ('#');_bbbc ._dbeed .Discard (1);continue ;};_bbbc ._dbeed .Discard (3);_bfdb .Write (_ceed );}else {_fgef ,_ :=_bbbc ._dbeed .ReadByte ();_bfdb .WriteByte (_fgef );};};};return PdfObjectName (_bfdb .String ()),nil ;};var _gcbbg _d .Map ;


// UpdateParams updates the parameter values of the encoder.
func (_fbfab *MultiEncoder )UpdateParams (params *PdfObjectDictionary ){for _ ,_edaga :=range _fbfab ._fabc {_edaga .UpdateParams (params );};};var _cegb =_c .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");


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

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

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

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

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

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_ace *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_bdf ,_ged :=obj .(*PdfObjectReference );if !_ged {return obj ,nil ;};_fff :=_ace .GetFileOffset ();defer func (){_ace .SetFileOffset (_fff )}();_bfb ,_efc :=_ace .LookupByReference (*_bdf );
if _efc !=nil {return nil ,_efc ;};_caab ,_ecb :=_bfb .(*PdfIndirectObject );if !_ecb {return _bfb ,nil ;};_bfb =_caab .PdfObject ;_ ,_ged =_bfb .(*PdfObjectReference );if _ged {return _caab ,_e .New ("\u006d\u0075lt\u0069\u0020\u0064e\u0070\u0074\u0068\u0020tra\u0063e \u0070\u006f\u0069\u006e\u0074\u0065\u0072 t\u006f\u0020\u0070\u006f\u0069\u006e\u0074e\u0072");
};return _bfb ,nil ;};func (_bceg *PdfObjectFloat )String ()string {return _df .Sprintf ("\u0025\u0066",*_bceg )};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_ccbe *RawEncoder )MakeDecodeParams ()PdfObject {return nil };func (_ddgg *PdfParser )readTextLine ()(string ,error ){var _afeb _bad .Buffer ;for {_bfag ,_cdea :=_ddgg ._dbeed .Peek (1);if _cdea !=nil {_ca .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_cdea .Error ());
return _afeb .String (),_cdea ;};if (_bfag [0]!='\r')&&(_bfag [0]!='\n'){_edfdg ,_ :=_ddgg ._dbeed .ReadByte ();_afeb .WriteByte (_edfdg );}else {break ;};};return _afeb .String (),nil ;};func _bbc (_bdfd *_ag .FilterDict ,_cgf *PdfObjectDictionary )error {if _bcc ,_baf :=_cgf .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_baf {if _cbe :=string (*_bcc );_cbe !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_ca .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",_cbe );
};};_dffd ,_eab :=_cgf .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_eab {return _df .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");
};_bdfd .CFM =string (*_dffd );if _faf ,_acbf :=_cgf .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_acbf {_bdfd .AuthEvent =_bgcc .AuthEvent (*_faf );}else {_bdfd .AuthEvent =_bgcc .EventDocOpen ;};if _gca ,_gda :=_cgf .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_gda {_bdfd .Length =int (*_gca );};return nil ;};func (_dddf *PdfParser )rebuildXrefTable ()error {_gdfa :=XrefTable {};_gdfa .ObjectMap =map[int ]XrefObject {};_dbgbc :=make ([]int ,0,len (_dddf ._fgfa .ObjectMap ));for _ecac :=range _dddf ._fgfa .ObjectMap {_dbgbc =append (_dbgbc ,_ecac );
};_b .Ints (_dbgbc );for _ ,_bdgg :=range _dbgbc {_dabe :=_dddf ._fgfa .ObjectMap [_bdgg ];_febcb ,_ ,_cdcdd :=_dddf .lookupByNumberWrapper (_bdgg ,false );if _cdcdd !=nil {_ca .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",_cdcdd );
_ca .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");
_fdeg ,_agge :=_dddf .repairRebuildXrefsTopDown ();if _agge !=nil {_ca .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",_agge );
return _agge ;};_dddf ._fgfa =*_fdeg ;_ca .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_gaced ,_ebbfb ,_cdcdd :=_ebc (_febcb );if _cdcdd !=nil {return _cdcdd ;
};_dabe .ObjectNumber =int (_gaced );_dabe .Generation =int (_ebbfb );_gdfa .ObjectMap [int (_gaced )]=_dabe ;};_dddf ._fgfa =_gdfa ;_ca .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");_ggd (_dddf ._fgfa );
return nil ;};func _fbgcf (_aedd *PdfObjectStream )(*MultiEncoder ,error ){_fbcb :=NewMultiEncoder ();_agab :=_aedd .PdfObjectDictionary ;if _agab ==nil {return _fbcb ,nil ;};var _efaf *PdfObjectDictionary ;var _eagd []PdfObject ;_dbga :=_agab .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
if _dbga !=nil {_ffee ,_ageed :=_dbga .(*PdfObjectDictionary );if _ageed {_efaf =_ffee ;};_gfe ,_eafb :=_dbga .(*PdfObjectArray );if _eafb {for _ ,_edgab :=range _gfe .Elements (){_edgab =TraceToDirectObject (_edgab );if _gage ,_cccf :=_edgab .(*PdfObjectDictionary );
_cccf {_eagd =append (_eagd ,_gage );}else {_eagd =append (_eagd ,MakeDict ());};};};};_dbga =_agab .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");if _dbga ==nil {return nil ,_df .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");
};_aage ,_dbcd :=_dbga .(*PdfObjectArray );if !_dbcd {return nil ,_df .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 _dec ,_cdbe :=range _aage .Elements (){_daadf ,_ebbd :=_cdbe .(*PdfObjectName );if !_ebbd {return nil ,_df .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 _bgef PdfObject ;if _efaf !=nil {_bgef =_efaf ;}else {if len (_eagd )> 0{if _dec >=len (_eagd ){return nil ,_df .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");
};_bgef =_eagd [_dec ];};};var _bec *PdfObjectDictionary ;if _egde ,_bbfg :=_bgef .(*PdfObjectDictionary );_bbfg {_bec =_egde ;};_ca .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",*_daadf ,_bgef ,_bec );
if *_daadf ==StreamEncodingFilterNameFlate {_dabd ,_daaa :=_dcce (_aedd ,_bec );if _daaa !=nil {return nil ,_daaa ;};_fbcb .AddEncoder (_dabd );}else if *_daadf ==StreamEncodingFilterNameLZW {_dfbg ,_cacg :=_bba (_aedd ,_bec );if _cacg !=nil {return nil ,_cacg ;
};_fbcb .AddEncoder (_dfbg );}else if *_daadf ==StreamEncodingFilterNameASCIIHex {_fcfe :=NewASCIIHexEncoder ();_fbcb .AddEncoder (_fcfe );}else if *_daadf ==StreamEncodingFilterNameASCII85 {_beb :=NewASCII85Encoder ();_fbcb .AddEncoder (_beb );}else if *_daadf ==StreamEncodingFilterNameDCT {_gdcea ,_fegca :=_gggd (_aedd ,_fbcb );
if _fegca !=nil {return nil ,_fegca ;};_fbcb .AddEncoder (_gdcea );_ca .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_ca .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_fbcb );
}else if *_daadf ==StreamEncodingFilterNameCCITTFax {_gccd ,_cefba :=_cee (_aedd ,_bec );if _cefba !=nil {return nil ,_cefba ;};_fbcb .AddEncoder (_gccd );}else {_ca .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_daadf );
return nil ,_df .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 _fbcb ,nil ;};

// PdfObjectReference represents the primitive PDF reference object.
type PdfObjectReference struct{_ecga *PdfParser ;ObjectNumber int64 ;GenerationNumber int64 ;};func _gggd (_gbgc *PdfObjectStream ,_dafe *MultiEncoder )(*DCTEncoder ,error ){_gdgf :=NewDCTEncoder ();_cffd :=_gbgc .PdfObjectDictionary ;if _cffd ==nil {return _gdgf ,nil ;
};_adgba :=_gbgc .Stream ;if _dafe !=nil {_abdf ,_fcdf :=_dafe .DecodeBytes (_adgba );if _fcdf !=nil {return nil ,_fcdf ;};_adgba =_abdf ;};_bfdg :=_bad .NewReader (_adgba );_ffc ,_ggea :=_gg .DecodeConfig (_bfdg );if _ggea !=nil {_ca .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_ggea );
return nil ,_ggea ;};switch _ffc .ColorModel {case _fg .RGBAModel :_gdgf .BitsPerComponent =8;_gdgf .ColorComponents =3;case _fg .RGBA64Model :_gdgf .BitsPerComponent =16;_gdgf .ColorComponents =3;case _fg .GrayModel :_gdgf .BitsPerComponent =8;_gdgf .ColorComponents =1;
case _fg .Gray16Model :_gdgf .BitsPerComponent =16;_gdgf .ColorComponents =1;case _fg .CMYKModel :_gdgf .BitsPerComponent =8;_gdgf .ColorComponents =4;case _fg .YCbCrModel :_gdgf .BitsPerComponent =8;_gdgf .ColorComponents =3;default:return nil ,_e .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_gdgf .Width =_ffc .Width ;_gdgf .Height =_ffc .Height ;_ca .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_gdgf );_gdgf .Quality =DefaultJPEGQuality ;return _gdgf ,nil ;};

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

// CheckAccessRights checks access rights and permissions for a specified password. If either user/owner password is
// specified, full rights are granted, otherwise the access rights are specified by the Permissions flag.
//
// The bool flag indicates that the user can access and view the file.
// The AccessPermissions shows what access the user has for editing etc.
// An error is returned if there was a problem performing the authentication.
func (_cffg *PdfParser )CheckAccessRights (password []byte )(bool ,_bgcc .Permissions ,error ){if _cffg ._fbag ==nil {return true ,_bgcc .PermOwner ,nil ;};return _cffg ._fbag .checkAccessRights (password );};

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

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

// Clear resets the dictionary to an empty state.
func (_ffbaa *PdfObjectDictionary )Clear (){_ffbaa ._bdae =[]PdfObjectName {};_ffbaa ._bcfgf =map[PdfObjectName ]PdfObject {};_ffbaa ._fdca =&_d .Mutex {};};

// WriteString outputs the object as it is to be written to file.
func (_gcdc *PdfObjectInteger )WriteString ()string {return _fc .FormatInt (int64 (*_gcdc ),10)};func (_egbg *PdfCrypt )generateParams (_cdf ,_bdcd []byte )error {_cfcd :=_egbg .securityHandler ();_fea ,_fdg :=_cfcd .GenerateParams (&_egbg ._acb ,_bdcd ,_cdf );
if _fdg !=nil {return _fdg ;};_egbg ._bea =_fea ;return nil ;};func (_bddc *PdfObjectDictionary )setWithLock (_bgfe PdfObjectName ,_aggf PdfObject ,_bbea bool ){if _bbea {_bddc ._fdca .Lock ();defer _bddc ._fdca .Unlock ();};_ ,_cfccdb :=_bddc ._bcfgf [_bgfe ];
if !_cfccdb {_bddc ._bdae =append (_bddc ._bdae ,_bgfe );};_bddc ._bcfgf [_bgfe ]=_aggf ;};

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

// GetFilterArray returns the names of the underlying encoding filters in an array that
// can be used as /Filter entry.
func (_aced *MultiEncoder )GetFilterArray ()*PdfObjectArray {_gade :=make ([]PdfObject ,len (_aced ._fabc ));for _adb ,_gffg :=range _aced ._fabc {_gade [_adb ]=MakeName (_gffg .GetFilterName ());};return MakeArray (_gade ...);};func (_eac *PdfParser )lookupByNumberWrapper (_aec int ,_dadf bool )(PdfObject ,bool ,error ){_gc ,_ff ,_ec :=_eac .lookupByNumber (_aec ,_dadf );
if _ec !=nil {return nil ,_ff ,_ec ;};if !_ff &&_eac ._fbag !=nil &&_eac ._fbag ._abab &&!_eac ._fbag .isDecrypted (_gc ){_aa :=_eac ._fbag .Decrypt (_gc ,0,0);if _aa !=nil {return nil ,_ff ,_aa ;};};return _gc ,_ff ,nil ;};

// 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 )(_ddgce *PdfObjectName ,_ebba bool ){_ddgce ,_ebba =TraceToDirectObject (obj ).(*PdfObjectName );return _ddgce ,_ebba ;};

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_fddb *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_gfff :=encoded ;var _cdcc error ;for _ ,_fcdd :=range _fddb ._fabc {_ca .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",_fcdd ,_fcdd );
_gfff ,_cdcc =_fcdd .DecodeBytes (_gfff );if _cdcc !=nil {return nil ,_cdcc ;};};return _gfff ,nil ;};func _baggg (_dfbga _fbb .Image )*JBIG2Image {_egcc :=_dfbga .Base ();return &JBIG2Image {Data :_egcc .Data ,Width :_egcc .Width ,Height :_egcc .Height ,HasPadding :true };
};var _fcgdg =_c .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");func (_cde *PdfCrypt )encryptBytes (_dfg []byte ,_gadc string ,_acg []byte )([]byte ,error ){_ca .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_afg ,_adgb :=_cde ._abc [_gadc ];if !_adgb {return nil ,_df .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_gadc );};return _afg .EncryptBytes (_dfg ,_acg );};

// 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 )(_fcdbg string ,_daafe bool ){_fbeg ,_daafe :=TraceToDirectObject (obj ).(*PdfObjectString );if _daafe {return _fbeg .Str (),true ;};return ;};

// 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 (_aaba *PdfObjectDictionary )GetString (key PdfObjectName )(string ,bool ){_acdd :=_aaba .Get (key );if _acdd ==nil {return "",false ;};_gacc ,_dbgdf :=_acdd .(*PdfObjectString );if !_dbgdf {return "",false ;};return _gacc .Str (),true ;};func (_febdd *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _bebf *PdfObjectDictionary ;
_dfee ,_gcfgf :=_febdd .readTextLine ();if _gcfgf !=nil {return nil ,_gcfgf ;};if _febdd ._babf &&_ba .Count (_ba .TrimPrefix (_dfee ,"\u0078\u0072\u0065\u0066"),"\u0020")> 0{_febdd ._bagce ._eefc =true ;};_ca .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_dfee );
_aacb :=-1;_eagg :=0;_acge :=false ;_gbgdg :="";for {_febdd .skipSpaces ();_ ,_afaed :=_febdd ._dbeed .Peek (1);if _afaed !=nil {return nil ,_afaed ;};_dfee ,_afaed =_febdd .readTextLine ();if _afaed !=nil {return nil ,_afaed ;};_cafga :=_gfba .FindStringSubmatch (_dfee );
if len (_cafga )==0{_eacg :=len (_gbgdg )> 0;_gbgdg +=_dfee +"\u000a";if _eacg {_cafga =_gfba .FindStringSubmatch (_gbgdg );};};if len (_cafga )==3{if _febdd ._babf &&!_febdd ._bagce ._egfc {var (_aeedb bool ;_fbebc int ;);for _ ,_agabc :=range _dfee {if _ea .IsDigit (_agabc ){if _aeedb {break ;
};continue ;};if !_aeedb {_aeedb =true ;};_fbebc ++;};if _fbebc > 1{_febdd ._bagce ._egfc =true ;};};_fcag ,_ :=_fc .Atoi (_cafga [1]);_dbcc ,_ :=_fc .Atoi (_cafga [2]);_aacb =_fcag ;_eagg =_dbcc ;_acge =true ;_gbgdg ="";_ca .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",_aacb ,_eagg );
continue ;};_eec :=_aeag .FindStringSubmatch (_dfee );if len (_eec )==4{if !_acge {_ca .Log .Debug ("E\u0052\u0052\u004f\u0052\u0020\u0058r\u0065\u0066\u0020\u0069\u006e\u0076\u0061\u006c\u0069d\u0020\u0066\u006fr\u006da\u0074\u0021\u000a");return nil ,_e .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_gdfgc ,_ :=_fc .ParseInt (_eec [1],10,64);_bgbc ,_ :=_fc .Atoi (_eec [2]);_bgfg :=_eec [3];_gbgdg ="";if _ba .ToLower (_bgfg )=="\u006e"&&_gdfgc > 1{_eega ,_daaga :=_febdd ._fgfa .ObjectMap [_aacb ];if !_daaga ||_bgbc > _eega .Generation {_dceb :=XrefObject {ObjectNumber :_aacb ,XType :XrefTypeTableEntry ,Offset :_gdfgc ,Generation :_bgbc };
_febdd ._fgfa .ObjectMap [_aacb ]=_dceb ;};};_aacb ++;continue ;};if (len (_dfee )> 6)&&(_dfee [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_ca .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_dfee );
if len (_dfee )> 9{_becf :=_febdd .GetFileOffset ();_febdd .SetFileOffset (_becf -int64 (len (_dfee ))+7);};_febdd .skipSpaces ();_febdd .skipComments ();_ca .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_ca .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_dfee );_bebf ,_afaed =_febdd .ParseDict ();_ca .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _afaed !=nil {_ca .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",_afaed );return nil ,_afaed ;};break ;};if _dfee =="\u0025\u0025\u0045O\u0046"{_ca .Log .Debug ("E\u0052\u0052\u004f\u0052\u003a\u0020\u0065\u006e\u0064 \u006f\u0066\u0020\u0066\u0069\u006c\u0065 -\u0020\u0074\u0072\u0061i\u006c\u0065\u0072\u0020\u006e\u006f\u0074\u0020\u0066ou\u006e\u0064 \u002d\u0020\u0065\u0072\u0072\u006f\u0072\u0021");
return nil ,_e .New ("\u0065\u006e\u0064 \u006f\u0066\u0020\u0066i\u006c\u0065\u0020\u002d\u0020\u0074\u0072a\u0069\u006c\u0065\u0072\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};_ca .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_dfee );
};_ca .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 _febdd ._bcde ==nil {_fdbcc :=XrefTypeTableEntry ;_febdd ._bcde =&_fdbcc ;};return _bebf ,nil ;};

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

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

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

// Version represents a version of a PDF standard.
type Version struct{Major int ;Minor int ;};func (_fdaf *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_fdaf ._adgc .Seek (0,_fa .SeekStart );_fdaf ._dbeed =_cb .NewReader (_fdaf ._adgc );_dcba :=20;_cbbce :=make ([]byte ,_dcba );for {_gebb ,_eadfa :=_fdaf ._dbeed .ReadByte ();
if _eadfa !=nil {if _eadfa ==_fa .EOF {break ;}else {return 0,0,_eadfa ;};};if IsDecimalDigit (_gebb )&&_cbbce [_dcba -1]=='.'&&IsDecimalDigit (_cbbce [_dcba -2])&&_cbbce [_dcba -3]=='-'&&_cbbce [_dcba -4]=='F'&&_cbbce [_dcba -5]=='D'&&_cbbce [_dcba -6]=='P'{_gfdce :=int (_cbbce [_dcba -2]-'0');
_gagac :=int (_gebb -'0');return _gfdce ,_gagac ,nil ;};_cbbce =append (_cbbce [1:_dcba ],_gebb );};return 0,0,_e .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};var _cgfe =_c .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");


// Append appends PdfObject(s) to the array.
func (_fcb *PdfObjectArray )Append (objects ...PdfObject ){if _fcb ==nil {_ca .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 ;};_fcb ._dcef =append (_fcb ._dcef ,objects ...);};

// HasInvalidSubsectionHeader implements core.ParserMetadata interface.
func (_aggc ParserMetadata )HasInvalidSubsectionHeader ()bool {return _aggc ._egfc };

// ParseDict reads and parses a PDF dictionary object enclosed with '<<' and '>>'
func (_dcdf *PdfParser )ParseDict ()(*PdfObjectDictionary ,error ){_ca .Log .Trace ("\u0052\u0065\u0061\u0064\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020D\u0069\u0063\u0074\u0021");_ecgb :=MakeDict ();_ecgb ._dgabc =_dcdf ;_faaca ,_ :=_dcdf ._dbeed .ReadByte ();
if _faaca !='<'{return nil ,_e .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");};_faaca ,_ =_dcdf ._dbeed .ReadByte ();if _faaca !='<'{return nil ,_e .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");
};for {_dcdf .skipSpaces ();_dcdf .skipComments ();_fcec ,_dcdda :=_dcdf ._dbeed .Peek (2);if _dcdda !=nil {return nil ,_dcdda ;};_ca .Log .Trace ("D\u0069c\u0074\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_fcec ),string (_fcec ));
if (_fcec [0]=='>')&&(_fcec [1]=='>'){_ca .Log .Trace ("\u0045\u004f\u0046\u0020\u0064\u0069\u0063\u0074\u0069o\u006e\u0061\u0072\u0079");_dcdf ._dbeed .ReadByte ();_dcdf ._dbeed .ReadByte ();break ;};_ca .Log .Trace ("\u0050a\u0072s\u0065\u0020\u0074\u0068\u0065\u0020\u006e\u0061\u006d\u0065\u0021");
_ebeb ,_dcdda :=_dcdf .parseName ();_ca .Log .Trace ("\u004be\u0079\u003a\u0020\u0025\u0073",_ebeb );if _dcdda !=nil {_ca .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",_dcdda );
return nil ,_dcdda ;};if len (_ebeb )> 4&&_ebeb [len (_ebeb )-4:]=="\u006e\u0075\u006c\u006c"{_bccf :=_ebeb [0:len (_ebeb )-4];_ca .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",_ebeb );
_ca .Log .Debug ("\u004e\u0065\u0077\u0020ke\u0079\u0020\u0022\u0025\u0073\u0022\u0020\u003d\u0020\u006e\u0075\u006c\u006c",_bccf );_dcdf .skipSpaces ();_defg ,_ :=_dcdf ._dbeed .Peek (1);if _defg [0]=='/'{_ecgb .Set (_bccf ,MakeNull ());continue ;};};
_dcdf .skipSpaces ();_ffeg ,_dcdda :=_dcdf .parseObject ();if _dcdda !=nil {return nil ,_dcdda ;};_ecgb .Set (_ebeb ,_ffeg );if _ca .Log .IsLogLevel (_ca .LogLevelTrace ){_ca .Log .Trace ("\u0064\u0069\u0063\u0074\u005b\u0025\u0073\u005d\u0020\u003d\u0020\u0025\u0073",_ebeb ,_ffeg .String ());
};};_ca .Log .Trace ("\u0072\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020\u0044\u0069\u0063\u0074\u0021");return _ecgb ,nil ;};func (_agec *JBIG2Encoder )encodeImage (_gfcc _ef .Image )([]byte ,error ){const _eebb ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";
_gefg ,_ecfaf :=GoImageToJBIG2 (_gfcc ,JB2ImageAutoThreshold );if _ecfaf !=nil {return nil ,_bg .Wrap (_ecfaf ,_eebb ,"\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 _ecfaf =_agec .AddPageImage (_gefg ,&_agec .DefaultPageSettings );_ecfaf !=nil {return nil ,_bg .Wrap (_ecfaf ,_eebb ,"");};return _agec .Encode ();};type xrefType int ;type objectStreams map[int ]objectStream ;

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

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_agdc :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _agdc ==nil {return NewRawEncoder (),nil ;};if _ ,_fage :=_agdc .(*PdfObjectNull );
_fage {return NewRawEncoder (),nil ;};_bgcf ,_cbef :=_agdc .(*PdfObjectName );if !_cbef {_ddegb ,_cgda :=_agdc .(*PdfObjectArray );if !_cgda {return nil ,_df .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 _ddegb .Len ()==0{return NewRawEncoder (),nil ;};if _ddegb .Len ()!=1{_efeba ,_fgdag :=_fbgcf (streamObj );if _fgdag !=nil {_ca .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",_fgdag );
return nil ,_fgdag ;};_ca .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_efeba );return _efeba ,nil ;};_agdc =_ddegb .Get (0);_bgcf ,_cgda =_agdc .(*PdfObjectName );if !_cgda {return nil ,_df .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 _bccd ,_cgec :=_gcbbg .Load (_bgcf .String ());_cgec {return _bccd .(StreamEncoder ),nil ;};switch *_bgcf {case StreamEncodingFilterNameFlate :return _dcce (streamObj ,nil );case StreamEncodingFilterNameLZW :return _bba (streamObj ,nil );case StreamEncodingFilterNameDCT :return _gggd (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _gfd (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _cee (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _ccbef (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_ca .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 ,_df .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",*_bgcf );};

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

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

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

// IsDelimiter checks if a character represents a delimiter.
func IsDelimiter (c byte )bool {return c =='('||c ==')'||c =='<'||c =='>'||c =='['||c ==']'||c =='{'||c =='}'||c =='/'||c =='%';};

// 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 )(_dcfgg *PdfObjectFloat ,_gadf bool ){_dcfgg ,_gadf =TraceToDirectObject (obj ).(*PdfObjectFloat );return _dcfgg ,_gadf ;};

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


// WriteString outputs the object as it is to be written to file.
func (_fdeaa *PdfObjectString )WriteString ()string {var _gafcd _bad .Buffer ;if _fdeaa ._agege {_cbbcc :=_ee .EncodeToString (_fdeaa .Bytes ());_gafcd .WriteString ("\u003c");_gafcd .WriteString (_cbbcc );_gafcd .WriteString ("\u003e");return _gafcd .String ();
};_dadb :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_gafcd .WriteString ("\u0028");for _afcg :=0;_afcg < len (_fdeaa ._bcced );
_afcg ++{_ecgad :=_fdeaa ._bcced [_afcg ];if _gbge ,_adea :=_dadb [_ecgad ];_adea {_gafcd .WriteString (_gbge );}else {_gafcd .WriteByte (_ecgad );};};_gafcd .WriteString ("\u0029");return _gafcd .String ();};type cryptFilters map[string ]_ag .Filter ;


// GetPreviousRevisionReadSeeker returns ReadSeeker for the previous version of the Pdf document.
func (_fccf *PdfParser )GetPreviousRevisionReadSeeker ()(_fa .ReadSeeker ,error ){if _aggb :=_fccf .seekToEOFMarker (_fccf ._ggag -_cfce );_aggb !=nil {return nil ,_aggb ;};_ecdg ,_bfdd :=_fccf ._adgc .Seek (0,_fa .SeekCurrent );if _bfdd !=nil {return nil ,_bfdd ;
};_ecdg +=_cfce ;return _gdda (_fccf ._adgc ,_ecdg );};func (_aecb *PdfParser )parseHexString ()(*PdfObjectString ,error ){_aecb ._dbeed .ReadByte ();var _befe _bad .Buffer ;for {_baaa ,_gdee :=_aecb ._dbeed .Peek (1);if _gdee !=nil {return MakeString (""),_gdee ;
};if _baaa [0]=='>'{_aecb ._dbeed .ReadByte ();break ;};_cbb ,_ :=_aecb ._dbeed .ReadByte ();if _aecb ._babf {if _bad .IndexByte (_cedag ,_cbb )==-1{_aecb ._bagce ._dgg =true ;};};if !IsWhiteSpace (_cbb ){_befe .WriteByte (_cbb );};};if _befe .Len ()%2==1{_aecb ._bagce ._ebe =true ;
_befe .WriteRune ('0');};_cbag ,_ :=_ee .DecodeString (_befe .String ());return MakeHexString (string (_cbag )),nil ;};

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

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

// 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 )(_fdbge string ,_gecdf bool ){_dceg ,_gecdf :=TraceToDirectObject (obj ).(*PdfObjectName );if _gecdf {return string (*_dceg ),true ;};return ;};

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

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

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

// GetAsFloat64Slice returns the array as []float64 slice.
// Returns an error if not entirely numeric (only PdfObjectIntegers, PdfObjectFloats).
func (_ggge *PdfObjectArray )GetAsFloat64Slice ()([]float64 ,error ){var _edaa []float64 ;for _ ,_gdgg :=range _ggge .Elements (){_fdbe ,_deag :=GetNumberAsFloat (TraceToDirectObject (_gdgg ));if _deag !=nil {return nil ,_df .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");
};_edaa =append (_edaa ,_fdbe );};return _edaa ,nil ;};func (_fbee *PdfParser )skipComments ()error {if _ ,_dabc :=_fbee .skipSpaces ();_dabc !=nil {return _dabc ;};_cgbf :=true ;for {_gfab ,_fadfg :=_fbee ._dbeed .Peek (1);if _fadfg !=nil {_ca .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_fadfg .Error ());
return _fadfg ;};if _cgbf &&_gfab [0]!='%'{return nil ;};_cgbf =false ;if (_gfab [0]!='\r')&&(_gfab [0]!='\n'){_fbee ._dbeed .ReadByte ();}else {break ;};};return _fbee .skipComments ();};

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

// 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 (_abd *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _abd .isEncrypted (obj ){return nil ;};switch _befc :=obj .(type ){case *PdfIndirectObject :_abd ._bde [_befc ]=true ;_ca .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",_befc .ObjectNumber ,_befc .GenerationNumber );
_acec :=_befc .ObjectNumber ;_ddgd :=_befc .GenerationNumber ;_geef :=_abd .Encrypt (_befc .PdfObject ,_acec ,_ddgd );if _geef !=nil {return _geef ;};return nil ;case *PdfObjectStream :_abd ._bde [_befc ]=true ;_abdg :=_befc .PdfObjectDictionary ;if _bead ,_bdad :=_abdg .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_bdad &&*_bead =="\u0058\u0052\u0065\u0066"{return nil ;};_egf :=_befc .ObjectNumber ;_acbd :=_befc .GenerationNumber ;_ca .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_egf ,_acbd );
_gabg :=_cd ;if _abd ._aed .V >=4{_gabg =_abd ._cbfc ;_ca .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_abd ._cbfc );if _acag ,_dca :=_abdg .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_dca {if _acab ,_dcc :=GetName (_acag .Get (0));_dcc {if *_acab =="\u0043\u0072\u0079p\u0074"{_gabg ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _abdc ,_bdc :=_abdg .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_bdc {if _geee ,_bbgb :=_abdc .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_bbgb {if _ ,_fec :=_abd ._abc [string (*_geee )];_fec {_ca .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_geee );
_gabg =string (*_geee );};};};};};};_ca .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_gabg );if _gabg =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_eabd :=_abd .Encrypt (_befc .PdfObjectDictionary ,_egf ,_acbd );
if _eabd !=nil {return _eabd ;};_dga ,_eabd :=_abd .makeKey (_gabg ,uint32 (_egf ),uint32 (_acbd ),_abd ._bea );if _eabd !=nil {return _eabd ;};_befc .Stream ,_eabd =_abd .encryptBytes (_befc .Stream ,_gabg ,_dga );if _eabd !=nil {return _eabd ;};_abdg .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_befc .Stream ))));
return nil ;case *PdfObjectString :_ca .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_feee :=_cd ;if _abd ._aed .V >=4{_ca .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_abd ._gbf );
if _abd ._gbf =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_feee =_abd ._gbf ;};_ddfe ,_cfcb :=_abd .makeKey (_feee ,uint32 (parentObjNum ),uint32 (parentGenNum ),_abd ._bea );if _cfcb !=nil {return _cfcb ;};_ddd :=_befc .Str ();_gdaa :=make ([]byte ,len (_ddd ));
for _bgf :=0;_bgf < len (_ddd );_bgf ++{_gdaa [_bgf ]=_ddd [_bgf ];};_ca .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_gdaa ,_gdaa );_gdaa ,_cfcb =_abd .encryptBytes (_gdaa ,_feee ,_ddfe );
if _cfcb !=nil {return _cfcb ;};_befc ._bcced =string (_gdaa );return nil ;case *PdfObjectArray :for _ ,_gce :=range _befc .Elements (){_fada :=_abd .Encrypt (_gce ,parentObjNum ,parentGenNum );if _fada !=nil {return _fada ;};};return nil ;case *PdfObjectDictionary :_cdec :=false ;
if _gcb :=_befc .Get ("\u0054\u0079\u0070\u0065");_gcb !=nil {_fde ,_cca :=_gcb .(*PdfObjectName );if _cca &&*_fde =="\u0053\u0069\u0067"{_cdec =true ;};};for _ ,_geg :=range _befc .Keys (){_agb :=_befc .Get (_geg );if _cdec &&string (_geg )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;
};if string (_geg )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_geg )!="\u0050\u0072\u0065\u0076"&&string (_geg )!="\u004c\u0061\u0073\u0074"{_ddfg :=_abd .Encrypt (_agb ,parentObjNum ,parentGenNum );if _ddfg !=nil {return _ddfg ;};};};return nil ;
};return 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 )(_eddg *PdfObjectDictionary ,_geaee bool ){_eddg ,_geaee =TraceToDirectObject (obj ).(*PdfObjectDictionary );return _eddg ,_geaee ;};

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

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on the current encoder settings.
func (_afae *JBIG2Encoder )MakeDecodeParams ()PdfObject {return MakeDict ()};var _gfba =_c .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");func (_gcd *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_ced :=MakeDict ();
_ced .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));_ced .Set ("\u0056",MakeInteger (int64 (_gcd ._aed .V )));_ced .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_gcd ._aed .Length )));
return _ced ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_ccfcb *JPXEncoder )MakeDecodeParams ()PdfObject {return nil };func (_cge *PdfParser )lookupByNumber (_eeb int ,_ga bool )(PdfObject ,bool ,error ){_bga ,_adf :=_cge .ObjCache [_eeb ];if _adf {_ca .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",_eeb );
return _bga ,false ,nil ;};if _cge ._ffgb ==nil {_cge ._ffgb =map[int ]bool {};};if _cge ._ffgb [_eeb ]{_ca .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",_eeb );
return nil ,false ,_e .New ("\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006f\u006f\u006b\u0075p\u0020a\u0074\u0074\u0065\u006d\u0070\u0074\u0020\u0062\u006c\u006f\u0063\u006b\u0065\u0064");};_cge ._ffgb [_eeb ]=true ;defer delete (_cge ._ffgb ,_eeb );
_aaf ,_adf :=_cge ._fgfa .ObjectMap [_eeb ];if !_adf {_ca .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 _gd PdfObjectNull ;return &_gd ,false ,nil ;};_ca .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_eeb );if _aaf .XType ==XrefTypeTableEntry {_ca .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_aaf .ObjectNumber );
_ca .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_aaf .Generation );_ca .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_aaf .Offset );_cge ._adgc .Seek (_aaf .Offset ,_fa .SeekStart );
_cge ._dbeed =_cb .NewReader (_cge ._adgc );_eg ,_be :=_cge .ParseIndirectObject ();if _be !=nil {_ca .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",_be );
if _ga {_ca .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");_bc ,_bb :=_cge .repairRebuildXrefsTopDown ();
if _bb !=nil {_ca .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_bb );return nil ,false ,_bb ;};_cge ._fgfa =*_bc ;return _cge .lookupByNumber (_eeb ,false );
};return nil ,false ,_be ;};if _ga {_fbf ,_ ,_ :=_ebc (_eg );if int (_fbf )!=_eeb {_ca .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_fad :=_cge .rebuildXrefTable ();
if _fad !=nil {return nil ,false ,_fad ;};_cge .ObjCache =objectCache {};return _cge .lookupByNumberWrapper (_eeb ,false );};};_ca .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_cge .ObjCache [_eeb ]=_eg ;
return _eg ,false ,nil ;}else if _aaf .XType ==XrefTypeObjectStream {_ca .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_ca .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_ca .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",_aaf .OsObjNumber ,_aaf .OsObjIndex );
if _aaf .OsObjNumber ==_eeb {_ca .Log .Debug ("E\u0052\u0052\u004f\u0052\u0020\u0043i\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065f\u0065\u0072\u0065n\u0063e\u0021\u003f\u0021");return nil ,true ,_e .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_bd :=_cge ._fgfa .ObjectMap [_aaf .OsObjNumber ];_bd {_fee ,_gecf :=_cge .lookupObjectViaOS (_aaf .OsObjNumber ,_eeb );if _gecf !=nil {_ca .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_gecf );
return nil ,true ,_gecf ;};_ca .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_cge .ObjCache [_eeb ]=_fee ;if _cge ._fbag !=nil {_cge ._fbag ._cagc [_fee ]=true ;};return _fee ,true ,nil ;};_ca .Log .Debug ("\u003f\u003f\u0020\u0042\u0065\u006c\u006f\u006eg\u0073\u0020\u0074o \u0061\u0020\u006e\u006f\u006e\u002dc\u0072\u006f\u0073\u0073\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065\u0064 \u006f\u0062\u006a\u0065\u0063\u0074\u0020\u002e.\u002e\u0021");
return nil ,true ,_e .New ("\u006f\u0073\u0020\u0062\u0065\u006c\u006fn\u0067\u0073\u0020t\u006f\u0020\u0061\u0020n\u006f\u006e\u0020\u0063\u0072\u006f\u0073\u0073\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065\u0064\u0020\u006f\u0062\u006a\u0065\u0063\u0074");
};return nil ,false ,_e .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

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

// GetPreviousRevisionParser returns PdfParser for the previous version of the Pdf document.
func (_efcb *PdfParser )GetPreviousRevisionParser ()(*PdfParser ,error ){if _efcb ._dafg ==0{return nil ,_e .New ("\u0074\u0068\u0069\u0073 i\u0073\u0020\u0066\u0069\u0072\u0073\u0074\u0020\u0072\u0065\u0076\u0069\u0073\u0069o\u006e");};if _eafa ,_bdegb :=_efcb ._begf [_efcb ];
_bdegb {return _eafa ,nil ;};_dafbb ,_fbab :=_efcb .GetPreviousRevisionReadSeeker ();if _fbab !=nil {return nil ,_fbab ;};_bada ,_fbab :=NewParser (_dafbb );_bada ._begf =_efcb ._begf ;if _fbab !=nil {return nil ,_fbab ;};_efcb ._begf [_efcb ]=_bada ;return _bada ,nil ;
};

// WriteString outputs the object as it is to be written to file.
func (_aebb *PdfObjectDictionary )WriteString ()string {var _agfg _ba .Builder ;_agfg .WriteString ("\u003c\u003c");for _ ,_ccdcb :=range _aebb ._bdae {_degff :=_aebb ._bcfgf [_ccdcb ];_agfg .WriteString (_ccdcb .WriteString ());_agfg .WriteString ("\u0020");
_agfg .WriteString (_degff .WriteString ());};_agfg .WriteString ("\u003e\u003e");return _agfg .String ();};

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

// 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 )(_abdgc *PdfIndirectObject ,_gfafd bool ){obj =ResolveReference (obj );_abdgc ,_gfafd =obj .(*PdfIndirectObject );return _abdgc ,_gfafd ;};var _dece =_c .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");func (_gcdb *PdfParser )xrefNextObjectOffset (_gbgf int64 )int64 {_faea :=int64 (0);
if len (_gcdb ._fgfa .ObjectMap )==0{return 0;};if len (_gcdb ._fgfa ._ad )==0{_dbgab :=0;for _ ,_abgf :=range _gcdb ._fgfa .ObjectMap {if _abgf .Offset > 0{_dbgab ++;};};if _dbgab ==0{return 0;};_gcdb ._fgfa ._ad =make ([]XrefObject ,_dbgab );_bcbg :=0;
for _ ,_fbbba :=range _gcdb ._fgfa .ObjectMap {if _fbbba .Offset > 0{_gcdb ._fgfa ._ad [_bcbg ]=_fbbba ;_bcbg ++;};};_b .Slice (_gcdb ._fgfa ._ad ,func (_cgbg ,_dcgbe int )bool {return _gcdb ._fgfa ._ad [_cgbg ].Offset < _gcdb ._fgfa ._ad [_dcgbe ].Offset });
};_egag :=_b .Search (len (_gcdb ._fgfa ._ad ),func (_ccfd int )bool {return _gcdb ._fgfa ._ad [_ccfd ].Offset >=_gbgf });if _egag < len (_gcdb ._fgfa ._ad ){_faea =_gcdb ._fgfa ._ad [_egag ].Offset ;};return _faea ;};

// 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 *_cb .Reader )(PdfObject ,error ){_fbgf :=false ;_ccbcf :=true ;var _gbcf _bad .Buffer ;for {if _ca .Log .IsLogLevel (_ca .LogLevelTrace ){_ca .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_gbcf .String ());
};_ffdea ,_eegd :=buf .Peek (1);if _eegd ==_fa .EOF {break ;};if _eegd !=nil {_ca .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_eegd );return nil ,_eegd ;};if _ccbcf &&(_ffdea [0]=='-'||_ffdea [0]=='+'){_ebd ,_ :=buf .ReadByte ();_gbcf .WriteByte (_ebd );
_ccbcf =false ;}else if IsDecimalDigit (_ffdea [0]){_ddded ,_ :=buf .ReadByte ();_gbcf .WriteByte (_ddded );}else if _ffdea [0]=='.'{_baaeb ,_ :=buf .ReadByte ();_gbcf .WriteByte (_baaeb );_fbgf =true ;}else if _ffdea [0]=='e'||_ffdea [0]=='E'{_dcbda ,_ :=buf .ReadByte ();
_gbcf .WriteByte (_dcbda );_fbgf =true ;_ccbcf =true ;}else {break ;};};var _facd PdfObject ;if _fbgf {_gbeg ,_aged :=_fc .ParseFloat (_gbcf .String (),64);if _aged !=nil {_ca .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",_gbcf .String (),_aged );
_gbeg =0.0;};_egdgf :=PdfObjectFloat (_gbeg );_facd =&_egdgf ;}else {_daff ,_efbd :=_fc .ParseInt (_gbcf .String (),10,64);if _efbd !=nil {_ca .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",_gbcf .String (),_efbd );
_daff =0;};_ffcc :=PdfObjectInteger (_daff );_facd =&_ffcc ;};return _facd ,nil ;};func (_gdbdb *PdfParser )checkLinearizedInformation (_bcfgd *PdfObjectDictionary )(bool ,error ){var _cbgg error ;_gdbdb ._cfag ,_cbgg =GetNumberAsInt64 (_bcfgd .Get ("\u004c"));
if _cbgg !=nil {return false ,_cbgg ;};_cbgg =_gdbdb .seekToEOFMarker (_gdbdb ._cfag );switch _cbgg {case nil :return true ,nil ;case _cacd :return false ,nil ;default:return false ,_cbgg ;};};var _aabf =_c .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");
func _cfee (_gaga string )(int ,int ,error ){_fecc :=_gebf .FindStringSubmatch (_gaga );if len (_fecc )< 3{return 0,0,_e .New ("\u0075\u006e\u0061b\u006c\u0065\u0020\u0074\u006f\u0020\u0064\u0065\u0074\u0065\u0063\u0074\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020s\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065");
};_dface ,_ :=_fc .Atoi (_fecc [1]);_eged ,_ :=_fc .Atoi (_fecc [2]);return _dface ,_eged ,nil ;};

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

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

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

// PdfObjectStream represents the primitive PDF Object stream.
type PdfObjectStream struct{PdfObjectReference ;*PdfObjectDictionary ;Stream []byte ;};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 _ecfdf (_eage int )int {if _eage < 0{return -_eage ;};return _eage ;};func _dcce (_cfgd *PdfObjectStream ,_cgcg *PdfObjectDictionary )(*FlateEncoder ,error ){_eead :=NewFlateEncoder ();
_aede :=_cfgd .PdfObjectDictionary ;if _aede ==nil {return _eead ,nil ;};_eead ._bbgbf =_ceee (_aede );if _cgcg ==nil {_eddf :=TraceToDirectObject (_aede .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));switch _gcab :=_eddf .(type ){case *PdfObjectArray :if _gcab .Len ()!=1{_ca .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",_gcab .Len ());
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _ebed ,_fadf :=GetDict (_gcab .Get (0));_fadf {_cgcg =_ebed ;};case *PdfObjectDictionary :_cgcg =_gcab ;case *PdfObjectNull ,nil :default:_ca .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",_eddf );
return nil ,_df .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _cgcg ==nil {return _eead ,nil ;};_ca .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_cgcg .String ());
_dccc :=_cgcg .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _dccc ==nil {_ca .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 {_dbd ,_add :=_dccc .(*PdfObjectInteger );if !_add {_ca .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",_dccc );
return nil ,_df .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_eead .Predictor =int (*_dbd );};_dccc =_cgcg .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _dccc !=nil {_gbd ,_babd :=_dccc .(*PdfObjectInteger );if !_babd {_ca .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 ,_df .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_eead .BitsPerComponent =int (*_gbd );};if _eead .Predictor > 1{_eead .Columns =1;_dccc =_cgcg .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _dccc !=nil {_ddcd ,_bagf :=_dccc .(*PdfObjectInteger );if !_bagf {return nil ,_df .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_eead .Columns =int (*_ddcd );
};_eead .Colors =1;_dccc =_cgcg .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _dccc !=nil {_fca ,_efae :=_dccc .(*PdfObjectInteger );if !_efae {return nil ,_df .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");
};_eead .Colors =int (*_fca );};};return _eead ,nil ;};

// GetObjectNums returns a sorted list of object numbers of the PDF objects in the file.
func (_efff *PdfParser )GetObjectNums ()[]int {var _bcfag []int ;for _ ,_cedg :=range _efff ._fgfa .ObjectMap {_bcfag =append (_bcfag ,_cedg .ObjectNumber );};_b .Ints (_bcfag );return _bcfag ;};

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

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

// IsDecimalDigit checks if the character is a part of a decimal number string.
func IsDecimalDigit (c byte )bool {return '0'<=c &&c <='9'};type encryptDict struct{Filter string ;V int ;SubFilter string ;Length int ;StmF string ;StrF string ;EFF string ;CF map[string ]_ag .FilterDict ;};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_gcf *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _gcf .Predictor !=1&&_gcf .Predictor !=11{_ca .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 _gcf .Predictor ==11{_egdd :=_gcf .Columns ;_fbfg :=len (data )/_egdd ;if len (data )%_egdd !=0{_ca .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_e .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_gbfg :=_bad .NewBuffer (nil );_ebae :=make ([]byte ,_egdd );for _ecfa :=0;_ecfa < _fbfg ;_ecfa ++{_cgff :=data [_egdd *_ecfa :_egdd *(_ecfa +1)];
_ebae [0]=_cgff [0];for _bfba :=1;_bfba < _egdd ;_bfba ++{_ebae [_bfba ]=byte (int (_cgff [_bfba ]-_cgff [_bfba -1])%256);};_gbfg .WriteByte (1);_gbfg .Write (_ebae );};data =_gbfg .Bytes ();};var _eeae _bad .Buffer ;_abdb :=_fe .NewWriter (&_eeae );_abdb .Write (data );
_abdb .Close ();return _eeae .Bytes (),nil ;};

// 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 (_afeg *PdfObjectArray )ToIntegerArray ()([]int ,error ){var _ecfca []int ;for _ ,_ggbaf :=range _afeg .Elements (){if _befd ,_fgdd :=_ggbaf .(*PdfObjectInteger );_fgdd {_ecfca =append (_ecfca ,int (*_befd ));}else {return nil ,ErrTypeError ;};};return _ecfca ,nil ;
};func _cefb (_efd int )cryptFilters {return cryptFilters {_cd :_ag .NewFilterV2 (_efd )}};

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

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

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

// UpdateParams updates the parameter values of the encoder.
func (_fefd *JPXEncoder )UpdateParams (params *PdfObjectDictionary ){};func (_dfdf *PdfCrypt )saveCryptFilters (_eace *PdfObjectDictionary )error {if _dfdf ._aed .V < 4{return _e .New ("\u0063\u0061\u006e\u0020\u006f\u006e\u006c\u0079\u0020\u0062\u0065 \u0075\u0073\u0065\u0064\u0020\u0077\u0069\u0074\u0068\u0020V\u003e\u003d\u0034");
};_dag :=MakeDict ();_eace .Set ("\u0043\u0046",_dag );for _bfa ,_agf :=range _dfdf ._abc {if _bfa =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_cda :=_aeaf (_agf ,"");_dag .Set (PdfObjectName (_bfa ),_cda );};_eace .Set ("\u0053\u0074\u0072\u0046",MakeName (_dfdf ._gbf ));
_eace .Set ("\u0053\u0074\u006d\u0046",MakeName (_dfdf ._cbfc ));return nil ;};

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

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_dgaa :=_bad .NewReader ([]byte (txt ));_bcfgb :=&PdfParser {ObjCache :objectCache {},_adgc :_dgaa ,_dbeed :_cb .NewReader (_dgaa ),_ggag :int64 (len (txt )),_fgde :map[int64 ]bool {},_begf :make (map[*PdfParser ]*PdfParser )};
_bcfgb ._fgfa .ObjectMap =make (map[int ]XrefObject );return _bcfgb ;};

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

// UpdateParams updates the parameter values of the encoder.
func (_cgb *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _abgb ,_gffe :=GetNumberAsInt64 (params .Get ("\u004b"));_gffe ==nil {_cgb .K =int (_abgb );};if _bgeaf ,_fafd :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_fafd ==nil {_cgb .Columns =int (_bgeaf );}else if _bgeaf ,_fafd =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_fafd ==nil {_cgb .Columns =int (_bgeaf );};if _ffca ,_egge :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_egge ==nil {_cgb .BlackIs1 =_ffca > 0;}else {if _ceff ,_dfe :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_dfe {_cgb .BlackIs1 =_ceff ;}else {if _abfe ,_dcdg :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_dcdg {_ceffe ,_cbda :=_abfe .ToIntegerArray ();if _cbda ==nil {_cgb .BlackIs1 =_ceffe [0]==1&&_ceffe [1]==0;};};};};if _feaa ,_gcbbf :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_gcbbf ==nil {_cgb .EncodedByteAlign =_feaa > 0;}else {if _adgf ,_gfa :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_gfa {_cgb .EncodedByteAlign =_adgf ;};};if _eefa ,_gbc :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_gbc ==nil {_cgb .EndOfLine =_eefa > 0;}else {if _dbfg ,_cdbc :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_cdbc {_cgb .EndOfLine =_dbfg ;};};if _bbd ,_ffe :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));_ffe ==nil {_cgb .Rows =int (_bbd );
}else if _bbd ,_ffe =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_ffe ==nil {_cgb .Rows =int (_bbd );};if _gfad ,_bed :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_bed ==nil {_cgb .EndOfBlock =_gfad > 0;
}else {if _bgbg ,_gdfg :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_gdfg {_cgb .EndOfBlock =_bgbg ;};};if _dadg ,_dbdg :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_dbdg !=nil {_cgb .DamagedRowsBeforeError =int (_dadg );};};func _gfd (_fcab *PdfObjectStream ,_dade *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;};

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

// Read implementation of Read interface.
func (_dgfc *limitedReadSeeker )Read (p []byte )(_gbgg int ,_fdcc error ){_fagdc ,_fdcc :=_dgfc ._cdaae .Seek (0,_fa .SeekCurrent );if _fdcc !=nil {return 0,_fdcc ;};_fffg :=_dgfc ._aaaf -_fagdc ;if _fffg ==0{return 0,_fa .EOF ;};if _cgga :=int64 (len (p ));
_cgga < _fffg {_fffg =_cgga ;};_agac :=make ([]byte ,_fffg );_gbgg ,_fdcc =_dgfc ._cdaae .Read (_agac );copy (p ,_agac );return _gbgg ,_fdcc ;};

// 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 _fa .ReadSeeker )(_ggc *PdfParser ,_dcfc error ){_ggc =&PdfParser {_adgc :rs ,ObjCache :make (objectCache ),_fgde :map[int64 ]bool {},_babf :true ,_begf :make (map[*PdfParser ]*PdfParser )};if _dcfc =_ggc .parseDetailedHeader ();
_dcfc !=nil {return nil ,_dcfc ;};if _ggc ._geeb ,_dcfc =_ggc .loadXrefs ();_dcfc !=nil {_ca .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",_dcfc );
return nil ,_dcfc ;};_ca .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_ggc ._geeb );if len (_ggc ._fgfa .ObjectMap )==0{return nil ,_df .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 _ggc ,nil ;};

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

// 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 _bede (obj ,0)};func _fcbdc (_cbba ,_bbef ,_acdf int )error {if _bbef < 0||_bbef > _cbba {return _e .New ("s\u006c\u0069\u0063\u0065\u0020\u0069n\u0064\u0065\u0078\u0020\u0061\u0020\u006f\u0075\u0074 \u006f\u0066\u0020b\u006fu\u006e\u0064\u0073");
};if _acdf < _bbef {return _e .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0073\u006c\u0069\u0063e\u0020i\u006ed\u0065\u0078\u0020\u0062\u0020\u003c\u0020a");};if _acdf > _cbba {return _e .New ("s\u006c\u0069\u0063\u0065\u0020\u0069n\u0064\u0065\u0078\u0020\u0062\u0020\u006f\u0075\u0074 \u006f\u0066\u0020b\u006fu\u006e\u0064\u0073");
};return nil ;};

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

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

// HasNonConformantStream implements core.ParserMetadata.
func (_dbc ParserMetadata )HasNonConformantStream ()bool {return _dbc ._ccec };

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

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

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

// Append appends PdfObject(s) to the streams.
func (_gbag *PdfObjectStreams )Append (objects ...PdfObject ){if _gbag ==nil {_ca .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 ;};_gbag ._dedf =append (_gbag ._dedf ,objects ...);};type objectStream struct{N int ;_caf []byte ;_ggf map[int ]int64 ;};

// JPXEncoder implements JPX encoder/decoder (dummy, for now)
// FIXME: implement
type JPXEncoder struct{};func (_ggagg *PdfParser )parseXrefStream (_eefd *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _eefd !=nil {_ca .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",_eefd );
_ggagg ._adgc .Seek (int64 (*_eefd ),_fa .SeekStart );_ggagg ._dbeed =_cb .NewReader (_ggagg ._adgc );};_adef :=_ggagg .GetFileOffset ();_edac ,_eeadg :=_ggagg .ParseIndirectObject ();if _eeadg !=nil {_ca .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a \u0046\u0061\u0069\u006c\u0065\u0064\u0020\u0074\u006f\u0020\u0072\u0065\u0061d\u0020\u0078\u0072\u0065\u0066\u0020\u006fb\u006a\u0065\u0063\u0074");
return nil ,_e .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0074\u006f\u0020\u0072e\u0061\u0064\u0020\u0078\u0072\u0065\u0066\u0020\u006f\u0062j\u0065\u0063\u0074");};_ca .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_edac );
_fcdc ,_ebge :=_edac .(*PdfObjectStream );if !_ebge {_ca .Log .Debug ("\u0045R\u0052\u004fR\u003a\u0020\u0058R\u0065\u0066\u0053\u0074\u006d\u0020\u0070o\u0069\u006e\u0074\u0069\u006e\u0067 \u0074\u006f\u0020\u006e\u006f\u006e\u002d\u0073\u0074\u0072\u0065a\u006d\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0021");
return nil ,_e .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0070\u006f\u0069\u006e\u0074i\u006e\u0067\u0020\u0074\u006f\u0020a\u0020\u006e\u006f\u006e\u002d\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006fb\u006a\u0065\u0063\u0074");};_agae :=_fcdc .PdfObjectDictionary ;
_cdd ,_ebge :=_fcdc .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_ebge {_ca .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a \u004d\u0069\u0073\u0073\u0069\u006e\u0067\u0020\u0073\u0069\u007a\u0065\u0020f\u0072\u006f\u006d\u0020\u0078\u0072\u0065f\u0020\u0073\u0074\u006d");
return nil ,_e .New ("\u006d\u0069\u0073\u0073\u0069\u006e\u0067\u0020\u0053\u0069\u007ae\u0020\u0066\u0072\u006f\u006d\u0020\u0078\u0072\u0065\u0066 \u0073\u0074\u006d");};if int64 (*_cdd )> 8388607{_ca .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",*_cdd );
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_ffbe :=_fcdc .PdfObjectDictionary .Get ("\u0057");_abad ,_ebge :=_ffbe .(*PdfObjectArray );if !_ebge {return nil ,_e .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_cddb :=_abad .Len ();if _cddb !=3{_ca .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",_cddb );
return nil ,_e .New ("\u0075\u006e\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0078\u0072\u0065f\u0020s\u0074\u006d\u0020\u006c\u0065\u006e\u0028\u0057\u0029\u0020\u0021\u003d\u0020\u0033");};var _cgd []int64 ;for _ccbc :=0;_ccbc < 3;_ccbc ++{_efbb ,_ddde :=GetInt (_abad .Get (_ccbc ));
if !_ddde {return nil ,_e .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_cgd =append (_cgd ,int64 (*_efbb ));};_dafd ,_eeadg :=DecodeStream (_fcdc );if _eeadg !=nil {_ca .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",_eeadg );
return nil ,_eeadg ;};_adgd :=int (_cgd [0]);_dffgg :=int (_cgd [0]+_cgd [1]);_bfbcf :=int (_cgd [0]+_cgd [1]+_cgd [2]);_dbaa :=int (_cgd [0]+_cgd [1]+_cgd [2]);if _adgd < 0||_dffgg < 0||_bfbcf < 0{_ca .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",_adgd ,_dffgg ,_bfbcf );
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _dbaa ==0{_ca .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 _agae ,nil ;};_daaf :=len (_dafd )/_dbaa ;_edage :=0;_aeebe :=_fcdc .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _effdg []int ;if _aeebe !=nil {_ca .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_aeebe );_aefbd ,_cdbf :=_aeebe .(*PdfObjectArray );
if !_cdbf {_ca .Log .Debug ("\u0049\u006e\u0076\u0061\u006ci\u0064\u0020\u0049\u006e\u0064\u0065\u0078\u0020\u006f\u0062\u006a\u0065\u0063t\u0020\u0028\u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0062\u0065\u0020\u0061\u006e\u0020\u0061\u0072\u0072\u0061\u0079\u0029");
return nil ,_e .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _aefbd .Len ()%2!=0{_ca .Log .Debug ("\u0057\u0041\u0052\u004eI\u004e\u0047\u0020\u0046\u0061\u0069\u006c\u0075\u0072e\u0020\u006c\u006f\u0061\u0064\u0069\u006e\u0067\u0020\u0078\u0072\u0065\u0066\u0020\u0073\u0074\u006d\u0020i\u006e\u0064\u0065\u0078\u0020n\u006f\u0074\u0020\u006d\u0075\u006c\u0074\u0069\u0070\u006c\u0065\u0020\u006f\u0066\u0020\u0032\u002e");
return nil ,_e .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_edage =0;_aade ,_fga :=_aefbd .ToIntegerArray ();if _fga !=nil {_ca .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",_fga );
return nil ,_fga ;};for _dddeg :=0;_dddeg < len (_aade );_dddeg +=2{_eegc :=_aade [_dddeg ];_ecfc :=_aade [_dddeg +1];for _cgab :=0;_cgab < _ecfc ;_cgab ++{_effdg =append (_effdg ,_eegc +_cgab );};_edage +=_ecfc ;};}else {for _ebee :=0;_ebee < int (*_cdd );
_ebee ++{_effdg =append (_effdg ,_ebee );};_edage =int (*_cdd );};if _daaf ==_edage +1{_ca .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");
_fgba :=_edage -1;for _ ,_ddabd :=range _effdg {if _ddabd > _fgba {_fgba =_ddabd ;};};_effdg =append (_effdg ,_fgba +1);_edage ++;};if _daaf !=len (_effdg ){_ca .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",_daaf ,len (_effdg ));
return nil ,_e .New ("\u0078\u0072ef\u0020\u0073\u0074m\u0020\u006e\u0075\u006d en\u0074ri\u0065\u0073\u0020\u0021\u003d\u0020\u006cen\u0028\u0069\u006e\u0064\u0069\u0063\u0065s\u0029");};_ca .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_edage );
_ca .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_effdg );_daga :=func (_cbaa []byte )int64 {var _cgdg int64 ;for _acfb :=0;_acfb < len (_cbaa );_acfb ++{_cgdg +=int64 (_cbaa [_acfb ])*(1<<uint (8*(len (_cbaa )-_acfb -1)));
};return _cgdg ;};_ca .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_dafd ));_deab :=0;for _aabfe :=0;_aabfe < len (_dafd );_aabfe +=_dbaa {_ddcg :=_fcbdc (len (_dafd ),_aabfe ,_aabfe +_adgd );
if _ddcg !=nil {_ca .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_ddcg );return nil ,_ddcg ;};_gdaf :=_dafd [_aabfe :_aabfe +_adgd ];_ddcg =_fcbdc (len (_dafd ),_aabfe +_adgd ,_aabfe +_dffgg );
if _ddcg !=nil {_ca .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_ddcg );return nil ,_ddcg ;};_faae :=_dafd [_aabfe +_adgd :_aabfe +_dffgg ];_ddcg =_fcbdc (len (_dafd ),_aabfe +_dffgg ,_aabfe +_bfbcf );
if _ddcg !=nil {_ca .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_ddcg );return nil ,_ddcg ;};_cdcdb :=_dafd [_aabfe +_dffgg :_aabfe +_bfbcf ];_efdc :=_daga (_gdaf );
_eece :=_daga (_faae );_gace :=_daga (_cdcdb );if _cgd [0]==0{_efdc =1;};if _deab >=len (_effdg ){_ca .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 ;};_abaa :=_effdg [_deab ];_deab ++;_ca .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_abaa ,_gdaf );_ca .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_abaa ,_faae );_ca .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_abaa ,_cdcdb );
_ca .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_abaa ,_efdc ,_eece ,_gace );if _efdc ==0{_ca .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 _efdc ==1{_ca .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",_faae );if _eece ==_adef {_ca .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",_abaa ,_fcdc .ObjectNumber );
_abaa =int (_fcdc .ObjectNumber );};if _cbbc ,_gaeb :=_ggagg ._fgfa .ObjectMap [_abaa ];!_gaeb ||int (_gace )> _cbbc .Generation {_cgedd :=XrefObject {ObjectNumber :_abaa ,XType :XrefTypeTableEntry ,Offset :_eece ,Generation :int (_gace )};_ggagg ._fgfa .ObjectMap [_abaa ]=_cgedd ;
};}else if _efdc ==2{_ca .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 _ ,_edeb :=_ggagg ._fgfa .ObjectMap [_abaa ];!_edeb {_dgdf :=XrefObject {ObjectNumber :_abaa ,XType :XrefTypeObjectStream ,OsObjNumber :int (_eece ),OsObjIndex :int (_gace )};
_ggagg ._fgfa .ObjectMap [_abaa ]=_dgdf ;_ca .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_dgdf );};}else {_ca .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 _ggagg ._bcde ==nil {_acebb :=XrefTypeObjectStream ;_ggagg ._bcde =&_acebb ;};return _agae ,nil ;};func _fabe (_acgb string )(PdfObjectReference ,error ){_edc :=PdfObjectReference {};_dcca :=_cegb .FindStringSubmatch (_acgb );if len (_dcca )< 3{_ca .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
return _edc ,_e .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");};_affb ,_ :=_fc .Atoi (_dcca [1]);_dadc ,_ :=_fc .Atoi (_dcca [2]);_edc .ObjectNumber =int64 (_affb );_edc .GenerationNumber =int64 (_dadc );
return _edc ,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 )(_gafgc bool ,_bdab bool ){_febc ,_bdab :=TraceToDirectObject (obj ).(*PdfObjectBool );if _bdab {return bool (*_febc ),true ;};return false ,false ;};

// String returns a string describing `d`.
func (_fega *PdfObjectDictionary )String ()string {var _egdg _ba .Builder ;_egdg .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_ddga :=range _fega ._bdae {_effea :=_fega ._bcfgf [_ddga ];_egdg .WriteString ("\u0022"+_ddga .String ()+"\u0022\u003a\u0020");
_egdg .WriteString (_effea .String ());_egdg .WriteString ("\u002c\u0020");};_egdg .WriteString ("\u0029");return _egdg .String ();};

// IsHexadecimal checks if the PdfObjectString contains Hexadecimal data.
func (_effdgf *PdfObjectString )IsHexadecimal ()bool {return _effdgf ._agege };func (_cfcc *PdfCrypt )authenticate (_ebg []byte )(bool ,error ){_cfcc ._abab =false ;_gdb :=_cfcc .securityHandler ();_aceb ,_gaab ,_aeafc :=_gdb .Authenticate (&_cfcc ._acb ,_ebg );
if _aeafc !=nil {return false ,_aeafc ;}else if _gaab ==0||len (_aceb )==0{return false ,nil ;};_cfcc ._abab =true ;_cfcc ._bea =_aceb ;return true ,nil ;};

// DecodeStream decodes a DCT encoded stream and returns the result as a
// slice of bytes.
func (_degf *DCTEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _degf .DecodeBytes (streamObj .Stream );};func _bba (_bcg *PdfObjectStream ,_cfe *PdfObjectDictionary )(*LZWEncoder ,error ){_gef :=NewLZWEncoder ();_befa :=_bcg .PdfObjectDictionary ;
if _befa ==nil {return _gef ,nil ;};if _cfe ==nil {_bbe :=TraceToDirectObject (_befa .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _bbe !=nil {if _bacg ,_cdaa :=_bbe .(*PdfObjectDictionary );_cdaa {_cfe =_bacg ;}else if _cbgd ,_cccc :=_bbe .(*PdfObjectArray );
_cccc {if _cbgd .Len ()==1{if _gacb ,_aeed :=GetDict (_cbgd .Get (0));_aeed {_cfe =_gacb ;};};};if _cfe ==nil {_ca .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",_bbe );
return nil ,_df .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_cade :=_befa .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _cade !=nil {_bfbf ,_gece :=_cade .(*PdfObjectInteger );
if !_gece {_ca .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",_cade );
return nil ,_df .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_bfbf !=0&&*_bfbf !=1{return nil ,_df .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");
};_gef .EarlyChange =int (*_bfbf );}else {_gef .EarlyChange =1;};if _cfe ==nil {return _gef ,nil ;};if _cdgd ,_eggb :=GetIntVal (_cfe .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_eggb {if _cdgd ==0||_cdgd ==1{_gef .EarlyChange =_cdgd ;
}else {_ca .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",_cdgd );};};_cade =_cfe .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _cade !=nil {_efbag ,_fbd :=_cade .(*PdfObjectInteger );if !_fbd {_ca .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",_cade );
return nil ,_df .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_gef .Predictor =int (*_efbag );};_cade =_cfe .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _cade !=nil {_eeag ,_aecc :=_cade .(*PdfObjectInteger );if !_aecc {_ca .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 ,_df .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_gef .BitsPerComponent =int (*_eeag );};if _gef .Predictor > 1{_gef .Columns =1;_cade =_cfe .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _cade !=nil {_dcbc ,_dffcb :=_cade .(*PdfObjectInteger );if !_dffcb {return nil ,_df .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_gef .Columns =int (*_dcbc );
};_gef .Colors =1;_cade =_cfe .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _cade !=nil {_cebc ,_aff :=_cade .(*PdfObjectInteger );if !_aff {return nil ,_df .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");
};_gef .Colors =int (*_cebc );};};_ca .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_cfe .String ());return _gef ,nil ;};

// HasInvalidHexRunes implements core.ParserMetadata interface.
func (_eag ParserMetadata )HasInvalidHexRunes ()bool {return _eag ._dgg };

// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_fg .Model ;Bounds ()_ef .Rectangle ;At (_dfab ,_cbdf int )_fg .Color ;Set (_bbceg ,_adgg int ,_bfc _fg .Color );};

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