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 (_fd "bufio";_gg "bytes";_eb "compress/lzw";_af "compress/zlib";_ba "crypto/md5";_c "crypto/rand";_dg "encoding/hex";_bg "errors";_ab "fmt";_dd "github.com/unidoc/unipdf/v3/common";_egf "github.com/unidoc/unipdf/v3/core/security";_bad "github.com/unidoc/unipdf/v3/core/security/crypt";
_eff "github.com/unidoc/unipdf/v3/internal/ccittfax";_gc "github.com/unidoc/unipdf/v3/internal/imageutil";_dfc "github.com/unidoc/unipdf/v3/internal/jbig2";_fdf "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";_cc "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";
_df "github.com/unidoc/unipdf/v3/internal/jbig2/document";_eg "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_ad "github.com/unidoc/unipdf/v3/internal/strutils";_ga "golang.org/x/image/tiff/lzw";_gb "golang.org/x/xerrors";_d "image";_ac "image/color";
_ef "image/jpeg";_f "io";_g "reflect";_a "regexp";_bge "sort";_bc "strconv";_bgef "strings";_e "sync";_bgea "time";);

// 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 (_acge *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _ccac []int64 ;for _ ,_gacb :=range _acge .Elements (){if _dbeee ,_cddbd :=_gacb .(*PdfObjectInteger );_cddbd {_ccac =append (_ccac ,int64 (*_dbeee ));}else {return nil ,ErrTypeError ;};
};return _ccac ,nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set and the DecodeParms.
func (_caecf *LZWEncoder )MakeStreamDict ()*PdfObjectDictionary {_cdaf :=MakeDict ();_cdaf .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_caecf .GetFilterName ()));_bfec :=_caecf .MakeDecodeParams ();if _bfec !=nil {_cdaf .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_bfec );
};_cdaf .Set ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065",MakeInteger (int64 (_caecf .EarlyChange )));return _cdaf ;};func _aabgb (_dcae PdfObject ,_agcac int )PdfObject {if _agcac > _bead {_dd .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",_bead );
return MakeNull ();};switch _dbeff :=_dcae .(type ){case *PdfIndirectObject :_dcae =_aabgb ((*_dbeff ).PdfObject ,_agcac +1);case *PdfObjectArray :for _bdbdc ,_ebagd :=range (*_dbeff )._gfff {(*_dbeff )._gfff [_bdbdc ]=_aabgb (_ebagd ,_agcac +1);};case *PdfObjectDictionary :for _aabec ,_gdadg :=range (*_dbeff )._befa {(*_dbeff )._befa [_aabec ]=_aabgb (_gdadg ,_agcac +1);
};_bge .Slice ((*_dbeff )._adba ,func (_ecec ,_fgca int )bool {return (*_dbeff )._adba [_ecec ]< (*_dbeff )._adba [_fgca ]});};return _dcae ;};

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

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

// 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 )(_cfdeb *PdfIndirectObject ,_fgabb bool ){obj =ResolveReference (obj );_cfdeb ,_fgabb =obj .(*PdfIndirectObject );return _cfdeb ,_fgabb ;};

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

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

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

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

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

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

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

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

// Validate validates the page settings for the JBIG2 encoder.
func (_fbdf JBIG2EncoderSettings )Validate ()error {const _bacg ="\u0076a\u006ci\u0064\u0061\u0074\u0065\u0045\u006e\u0063\u006f\u0064\u0065\u0072";if _fbdf .Threshold < 0||_fbdf .Threshold > 1.0{return _eg .Errorf (_bacg ,"\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",_fbdf .Threshold );
};if _fbdf .ResolutionX < 0{return _eg .Errorf (_bacg ,"\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",_fbdf .ResolutionX );
};if _fbdf .ResolutionY < 0{return _eg .Errorf (_bacg ,"\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",_fbdf .ResolutionY );
};if _fbdf .DefaultPixelValue !=0&&_fbdf .DefaultPixelValue !=1{return _eg .Errorf (_bacg ,"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}",_fbdf .DefaultPixelValue );
};if _fbdf .Compression !=JB2Generic {return _eg .Errorf (_bacg ,"\u0070\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0063\u006fm\u0070\u0072\u0065\u0073s\u0069\u006f\u006e\u0020\u0069\u0073\u0020\u006e\u006f\u0074\u0020\u0069\u006d\u0070\u006c\u0065\u006d\u0065\u006e\u0074\u0065\u0064\u0020\u0079\u0065\u0074");
};return nil ;};

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

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

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

// For predictors
Columns int ;Colors int ;

// LZW algorithm setting.
EarlyChange int ;};

// 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 (_adec *PdfParser )GetTrailer ()*PdfObjectDictionary {return _adec ._ffgb };func (_cffd *PdfParser )repairSeekXrefMarker ()error {_ecac ,_afcbe :=_cffd ._cgfb .Seek (0,_f .SeekEnd );if _afcbe !=nil {return _afcbe ;};_cedge :=_a .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");
var _ccbe int64 ;var _bbbd int64 =1000;for _ccbe < _ecac {if _ecac <=(_bbbd +_ccbe ){_bbbd =_ecac -_ccbe ;};_ ,_dbga :=_cffd ._cgfb .Seek (-_ccbe -_bbbd ,_f .SeekEnd );if _dbga !=nil {return _dbga ;};_ccfcf :=make ([]byte ,_bbbd );_cffd ._cgfb .Read (_ccfcf );
_dd .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_ccfcf ));_dcga :=_cedge .FindAllStringIndex (string (_ccfcf ),-1);if _dcga !=nil {_defe :=_dcga [len (_dcga )-1];
_dd .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_dcga );_cffd ._cgfb .Seek (-_ccbe -_bbbd +int64 (_defe [0]),_f .SeekEnd );_cffd ._ddbd =_fd .NewReader (_cffd ._cgfb );for {_abcc ,_dgbb :=_cffd ._ddbd .Peek (1);if _dgbb !=nil {return _dgbb ;
};_dd .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_abcc [0],_abcc [0]);if !IsWhiteSpace (_abcc [0]){break ;};_cffd ._ddbd .Discard (1);};return nil ;};_dd .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");
_ccbe +=_bbbd ;};_dd .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 _bg .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};

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

// 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 (_bcee *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_ggdg :=_gg .NewReader (encoded );var _eac []byte ;for {_afbg ,_dbag :=_ggdg .ReadByte ();if _dbag !=nil {return nil ,_dbag ;};if _afbg > 128{_ccfc ,_effd :=_ggdg .ReadByte ();
if _effd !=nil {return nil ,_effd ;};for _bcd :=0;_bcd < 257-int (_afbg );_bcd ++{_eac =append (_eac ,_ccfc );};}else if _afbg < 128{for _dbcc :=0;_dbcc < int (_afbg )+1;_dbcc ++{_bffe ,_gdga :=_ggdg .ReadByte ();if _gdga !=nil {return nil ,_gdga ;};_eac =append (_eac ,_bffe );
};}else {break ;};};return _eac ,nil ;};

// MakeStream creates an PdfObjectStream with specified contents and encoding. If encoding is nil, then raw encoding
// will be used (i.e. no encoding applied).
func MakeStream (contents []byte ,encoder StreamEncoder )(*PdfObjectStream ,error ){_daagfa :=&PdfObjectStream {};if encoder ==nil {encoder =NewRawEncoder ();};_daagfa .PdfObjectDictionary =encoder .MakeStreamDict ();_abec ,_fbfa :=encoder .EncodeBytes (contents );
if _fbfa !=nil {return nil ,_fbfa ;};_daagfa .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_abec ))));_daagfa .Stream =_abec ;return _daagfa ,nil ;};func (_gee *PdfCrypt )isEncrypted (_acb PdfObject )bool {_ ,_dbec :=_gee ._agd [_acb ];
if _dbec {_dd .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");return true ;};_dd .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};

// MakeInteger creates a PdfObjectInteger from an int64.
func MakeInteger (val int64 )*PdfObjectInteger {_cabb :=PdfObjectInteger (val );return &_cabb };var _gbdg =_a .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");

// ReadBytesAt reads byte content at specific offset and length within the PDF.
func (_dbab *PdfParser )ReadBytesAt (offset ,len int64 )([]byte ,error ){_geefb :=_dbab .GetFileOffset ();_ ,_cccef :=_dbab ._cgfb .Seek (offset ,_f .SeekStart );if _cccef !=nil {return nil ,_cccef ;};_ccbd :=make ([]byte ,len );_ ,_cccef =_f .ReadAtLeast (_dbab ._cgfb ,_ccbd ,int (len ));
if _cccef !=nil {return nil ,_cccef ;};_dbab .SetFileOffset (_geefb );return _ccbd ,nil ;};

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

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

// DecodeStream implements ASCII85 stream decoding.
func (_bdfd *ASCII85Encoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _bdfd .DecodeBytes (streamObj .Stream );};func (_gfge *PdfParser )traceStreamLength (_gggee PdfObject )(PdfObject ,error ){_acae ,_ddgc :=_gggee .(*PdfObjectReference );
if _ddgc {_dcge ,_gbgcd :=_gfge ._bceg [_acae .ObjectNumber ];if _gbgcd &&_dcge {_dd .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 ,_bg .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_gfge ._bceg [_acae .ObjectNumber ]=true ;};_bgg ,_fdbf :=_gfge .Resolve (_gggee );if _fdbf !=nil {return nil ,_fdbf ;
};_dd .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_bgg );if _ddgc {_gfge ._bceg [_acae .ObjectNumber ]=false ;};return _bgg ,nil ;};func _eaca (_afgf *PdfObjectStream ,_abead *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _fbcgd ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";
_aagdg :=NewJBIG2Encoder ();_dcd :=_afgf .PdfObjectDictionary ;if _dcd ==nil {return _aagdg ,nil ;};if _abead ==nil {_aacf :=_dcd .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _aacf !=nil {switch _gfcg :=_aacf .(type ){case *PdfObjectDictionary :_abead =_gfcg ;
case *PdfObjectArray :if _gfcg .Len ()==1{if _abcgb ,_fcbb :=GetDict (_gfcg .Get (0));_fcbb {_abead =_abcgb ;};};default:_dd .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",_aacf );
return nil ,_eg .Errorf (_fbcgd ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_gfcg );};};};if _abead ==nil {return _aagdg ,nil ;};_aagdg .UpdateParams (_abead );
_deeb ,_caab :=GetStream (_abead .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_caab {return _aagdg ,nil ;};var _efdg error ;_aagdg .Globals ,_efdg =_dfc .DecodeGlobals (_deeb .Stream );if _efdg !=nil {_efdg =_eg .Wrap (_efdg ,_fbcgd ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_dd .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_efdg );return nil ,_efdg ;};return _aagdg ,nil ;};

// CCITTFaxEncoder implements Group3 and Group4 facsimile (fax) encoder/decoder.
type CCITTFaxEncoder struct{K int ;EndOfLine bool ;EncodedByteAlign bool ;Columns int ;Rows int ;EndOfBlock bool ;BlackIs1 bool ;DamagedRowsBeforeError int ;};

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

// EncodeBytes JPX encodes the passed in slice of bytes.
func (_ggcf *JPXEncoder )EncodeBytes (data []byte )([]byte ,error ){_dd .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",_ggcf .GetFilterName ());
return data ,ErrNoJPXDecode ;};func (_ce *PdfParser )lookupByNumberWrapper (_bdb int ,_gff bool )(PdfObject ,bool ,error ){_bf ,_ada ,_bda :=_ce .lookupByNumber (_bdb ,_gff );if _bda !=nil {return nil ,_ada ,_bda ;};if !_ada &&_ce ._cgfe !=nil &&!_ce ._cgfe .isDecrypted (_bf ){_cb :=_ce ._cgfe .Decrypt (_bf ,0,0);
if _cb !=nil {return nil ,_ada ,_cb ;};};return _bf ,_ada ,nil ;};func (_bfab *offsetReader )Read (p []byte )(_ceeae int ,_bgfdc error ){return _bfab ._gbcd .Read (p )};

// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_defa *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _cfcb _gg .Buffer ;_cbbf :=_gg .NewReader (encoded );var _faf _f .ReadCloser ;if _defa .EarlyChange ==1{_faf =_ga .NewReader (_cbbf ,_ga .MSB ,8);}else {_faf =_eb .NewReader (_cbbf ,_eb .MSB ,8);
};defer _faf .Close ();if _ ,_gcfe :=_cfcb .ReadFrom (_faf );_gcfe !=nil {if _gcfe !=_f .ErrUnexpectedEOF ||_cfcb .Len ()==0{return nil ,_gcfe ;};_dd .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",_gcfe );
};return _cfcb .Bytes (),nil ;};

// GetXrefType returns the type of the first xref object (table or stream).
func (_gfdc *PdfParser )GetXrefType ()*xrefType {return _gfdc ._egdd };type objectCache map[int ]PdfObject ;func _bae (_ffgg *PdfObjectStream ,_dggf *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_ccfd :=NewCCITTFaxEncoder ();_cbfc :=_ffgg .PdfObjectDictionary ;
if _cbfc ==nil {return _ccfd ,nil ;};if _dggf ==nil {_fgd :=TraceToDirectObject (_cbfc .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _fgd !=nil {switch _ead :=_fgd .(type ){case *PdfObjectDictionary :_dggf =_ead ;case *PdfObjectArray :if _ead .Len ()==1{if _cca ,_fcc :=GetDict (_ead .Get (0));
_fcc {_dggf =_cca ;};};default:_dd .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",_fgd );return nil ,_bg .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
};};if _dggf ==nil {_dd .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",_fgd );return nil ,_bg .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
};};if _afef ,_ecb :=GetNumberAsInt64 (_dggf .Get ("\u004b"));_ecb ==nil {_ccfd .K =int (_afef );};if _aeggg ,_dgdc :=GetNumberAsInt64 (_dggf .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));_dgdc ==nil {_ccfd .Columns =int (_aeggg );}else {_ccfd .Columns =1728;
};if _acbd ,_gcgg :=GetNumberAsInt64 (_dggf .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_gcgg ==nil {_ccfd .BlackIs1 =_acbd > 0;}else {if _eddbc ,_gdde :=GetBoolVal (_dggf .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_gdde {_ccfd .BlackIs1 =_eddbc ;
}else {if _abdf ,_bbcf :=GetArray (_dggf .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_bbcf {_dbeda ,_afca :=_abdf .ToIntegerArray ();if _afca ==nil {_ccfd .BlackIs1 =_dbeda [0]==1&&_dbeda [1]==0;};};};};if _adc ,_gbgag :=GetNumberAsInt64 (_dggf .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_gbgag ==nil {_ccfd .EncodedByteAlign =_adc > 0;}else {if _fgdf ,_bgagc :=GetBoolVal (_dggf .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_bgagc {_ccfd .EncodedByteAlign =_fgdf ;};};if _cceae ,_fbbdb :=GetNumberAsInt64 (_dggf .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_fbbdb ==nil {_ccfd .EndOfLine =_cceae > 0;}else {if _cgf ,_fgaf :=GetBoolVal (_dggf .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_fgaf {_ccfd .EndOfLine =_cgf ;};};if _aece ,_gae :=GetNumberAsInt64 (_dggf .Get ("\u0052\u006f\u0077\u0073"));_gae ==nil {_ccfd .Rows =int (_aece );
};_ccfd .EndOfBlock =true ;if _feac ,_daba :=GetNumberAsInt64 (_dggf .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_daba ==nil {_ccfd .EndOfBlock =_feac > 0;}else {if _fgbf ,_gfe :=GetBoolVal (_dggf .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_gfe {_ccfd .EndOfBlock =_fgbf ;};};if _ffed ,_fgec :=GetNumberAsInt64 (_dggf .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_fgec !=nil {_ccfd .DamagedRowsBeforeError =int (_ffed );
};_dd .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_dggf .String ());return _ccfd ,nil ;};func (_gded *PdfObjectFloat )String ()string {return _ab .Sprintf ("\u0025\u0066",*_gded )};func (_aaaf *PdfParser )lookupByNumber (_de int ,_dbe bool )(PdfObject ,bool ,error ){_beg ,_fa :=_aaaf .ObjCache [_de ];
if _fa {_dd .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",_de );return _beg ,false ,nil ;};if _aaaf ._bbde ==nil {_aaaf ._bbde =map[int ]bool {};
};if _aaaf ._bbde [_de ]{_dd .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",_de );
return nil ,false ,_bg .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");};_aaaf ._bbde [_de ]=true ;defer delete (_aaaf ._bbde ,_de );
_cd ,_fa :=_aaaf ._ggb .ObjectMap [_de ];if !_fa {_dd .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 _efc PdfObjectNull ;return &_efc ,false ,nil ;};_dd .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_de );if _cd .XType ==XrefTypeTableEntry {_dd .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_cd .ObjectNumber );
_dd .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_cd .Generation );_dd .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_cd .Offset );_aaaf ._cgfb .Seek (_cd .Offset ,_f .SeekStart );
_aaaf ._ddbd =_fd .NewReader (_aaaf ._cgfb );_ebe ,_fae :=_aaaf .ParseIndirectObject ();if _fae !=nil {_dd .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",_fae );
if _dbe {_dd .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");_egc ,_ae :=_aaaf .repairRebuildXrefsTopDown ();
if _ae !=nil {_dd .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_ae );return nil ,false ,_ae ;};_aaaf ._ggb =*_egc ;return _aaaf .lookupByNumber (_de ,false );
};return nil ,false ,_fae ;};if _dbe {_gcg ,_ ,_ :=_fe (_ebe );if int (_gcg )!=_de {_dd .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_dbg :=_aaaf .rebuildXrefTable ();
if _dbg !=nil {return nil ,false ,_dbg ;};_aaaf .ObjCache =objectCache {};return _aaaf .lookupByNumberWrapper (_de ,false );};};_dd .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_aaaf .ObjCache [_de ]=_ebe ;
return _ebe ,false ,nil ;}else if _cd .XType ==XrefTypeObjectStream {_dd .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_dd .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_dd .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",_cd .OsObjNumber ,_cd .OsObjIndex );
if _cd .OsObjNumber ==_de {_dd .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 ,_bg .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_gcc :=_aaaf ._ggb .ObjectMap [_cd .OsObjNumber ];_gcc {_gbf ,_aege :=_aaaf .lookupObjectViaOS (_cd .OsObjNumber ,_de );if _aege !=nil {_dd .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_aege );
return nil ,true ,_aege ;};_dd .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_aaaf .ObjCache [_de ]=_gbf ;if _aaaf ._cgfe !=nil {_aaaf ._cgfe ._aaeec [_gbf ]=true ;};return _gbf ,true ,nil ;};_dd .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 ,_bg .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 ,_bg .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

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

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_eabd *PdfParser )GetFileOffset ()int64 {_fabe ,_ :=_eabd ._cgfb .Seek (0,_f .SeekCurrent );_fabe -=int64 (_eabd ._ddbd .Buffered ());return _fabe ;};

// EncodeStream encodes the stream data using the encoded specified by the stream's dictionary.
func EncodeStream (streamObj *PdfObjectStream )error {_dd .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0020\u0073\u0074\u0072\u0065\u0061\u006d");_gbdc ,_eege :=NewEncoderFromStream (streamObj );if _eege !=nil {_dd .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",_eege );
return _eege ;};if _edaa ,_dagf :=_gbdc .(*LZWEncoder );_dagf {_edaa .EarlyChange =0;streamObj .PdfObjectDictionary .Set ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065",MakeInteger (0));};_dd .Log .Trace ("\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076\u000a",_gbdc );
_bcdff ,_eege :=_gbdc .EncodeBytes (streamObj .Stream );if _eege !=nil {_dd .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",_eege );return _eege ;
};streamObj .Stream =_bcdff ;streamObj .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_bcdff ))));return nil ;};var _cgaf =_a .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");


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

// DecodeStream decodes a DCT encoded stream and returns the result as a
// slice of bytes.
func (_geae *DCTEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){return _geae .DecodeBytes (streamObj .Stream );};func _gbdd (_cagd _gc .Image )*JBIG2Image {_cbgb :=_cagd .Base ();return &JBIG2Image {Data :_cbgb .Data ,Width :_cbgb .Width ,Height :_cbgb .Height ,HasPadding :true };
};func (_becg *PdfParser )seekToEOFMarker (_fggd int64 )error {var _cbge int64 ;var _aebeg int64 =2048;for _cbge < _fggd -4{if _fggd <=(_aebeg +_cbge ){_aebeg =_fggd -_cbge ;};_ ,_bfee :=_becg ._cgfb .Seek (-_cbge -_aebeg ,_f .SeekEnd );if _bfee !=nil {return _bfee ;
};_gbac :=make ([]byte ,_aebeg );_becg ._cgfb .Read (_gbac );_dd .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 (_gbac ));_ecc :=_agafc .FindAllStringIndex (string (_gbac ),-1);
if _ecc !=nil {_afdb :=_ecc [len (_ecc )-1];_dd .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_ecc );_becg ._cgfb .Seek (-_cbge -_aebeg +int64 (_afdb [0]),_f .SeekEnd );return nil ;};_dd .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");
_cbge +=_aebeg -4;};_dd .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 _bg .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _bad .Filter ,userPass ,ownerPass []byte ,perm _egf .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_efb :=&PdfCrypt {_agd :make (map[PdfObject ]bool ),_ggf :make (cryptFilters ),_eaab :_egf .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _ccc Version ;if cf !=nil {_daa :=cf .PDFVersion ();_ccc .Major ,_ccc .Minor =_daa [0],_daa [1];V ,R :=cf .HandlerVersion ();_efb ._acd .V =V ;_efb ._eaab .R =R ;_efb ._acd .Length =cf .KeyLength ()*8;};const (_cead =_aac ;);_efb ._ggf [_cead ]=cf ;
if _efb ._acd .V >=4{_efb ._bff =_cead ;_efb ._def =_cead ;};_gbfb :=_efb .newEncryptDict ();_adf :=_ba .Sum ([]byte (_bgea .Now ().Format (_bgea .RFC850 )));_afc :=string (_adf [:]);_cbb :=make ([]byte ,100);_c .Read (_cbb );_adf =_ba .Sum (_cbb );_efa :=string (_adf [:]);
_dd .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_cbb );_dd .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_afc );_efb ._ed =_afc ;_ddf :=_efb .generateParams (userPass ,ownerPass );
if _ddf !=nil {return nil ,nil ,_ddf ;};_fga (&_efb ._eaab ,_gbfb );if _efb ._acd .V >=4{if _bed :=_efb .saveCryptFilters (_gbfb );_bed !=nil {return nil ,nil ,_bed ;};};return _efb ,&EncryptInfo {Version :_ccc ,Encrypt :_gbfb ,ID0 :_afc ,ID1 :_efa },nil ;
};const JB2ImageAutoThreshold =-1.0;

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

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

// 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 (_gfcc *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_ece :=n ;_ebd :=0;_eggde :=0;for _ece > 0{_abdc ,_gfgf :=_gfcc ._ddbd .Read (p [_ebd :]);if _gfgf !=nil {_dd .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",_abdc ,_eggde ,_gfgf .Error ());
return _ebd ,_bg .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_eggde ++;_ebd +=_abdc ;_ece -=_abdc ;};return _ebd ,nil ;};func _fcee (_cdfa *PdfObjectStream ,_bcb *PdfObjectDictionary )(*LZWEncoder ,error ){_fabg :=NewLZWEncoder ();
_acfa :=_cdfa .PdfObjectDictionary ;if _acfa ==nil {return _fabg ,nil ;};if _bcb ==nil {_cceag :=TraceToDirectObject (_acfa .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _cceag !=nil {if _cdac ,_afac :=_cceag .(*PdfObjectDictionary );
_afac {_bcb =_cdac ;}else if _dggb ,_gbbd :=_cceag .(*PdfObjectArray );_gbbd {if _dggb .Len ()==1{if _feee ,_fgfe :=GetDict (_dggb .Get (0));_fgfe {_bcb =_feee ;};};};if _bcb ==nil {_dd .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",_cceag );
return nil ,_ab .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_ccb :=_acfa .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _ccb !=nil {_gbbc ,_eaba :=_ccb .(*PdfObjectInteger );
if !_eaba {_dd .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",_ccb );
return nil ,_ab .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_gbbc !=0&&*_gbbc !=1{return nil ,_ab .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");
};_fabg .EarlyChange =int (*_gbbc );}else {_fabg .EarlyChange =1;};if _bcb ==nil {return _fabg ,nil ;};if _ffba ,_gffa :=GetIntVal (_bcb .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_gffa {if _ffba ==0||_ffba ==1{_fabg .EarlyChange =_ffba ;
}else {_dd .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",_ffba );};};_ccb =_bcb .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _ccb !=nil {_gcgbd ,_fag :=_ccb .(*PdfObjectInteger );if !_fag {_dd .Log .Debug ("E\u0072\u0072\u006f\u0072\u003a\u0020\u0050\u0072\u0065d\u0069\u0063\u0074\u006f\u0072\u0020\u0073pe\u0063\u0069\u0066\u0069e\u0064\u0020\u0062\u0075\u0074\u0020\u006e\u006f\u0074 n\u0075\u006de\u0072\u0069\u0063\u0020\u0028\u0025\u0054\u0029",_ccb );
return nil ,_ab .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_fabg .Predictor =int (*_gcgbd );};_ccb =_bcb .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _ccb !=nil {_ebea ,_ceea :=_ccb .(*PdfObjectInteger );if !_ceea {_dd .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 ,_ab .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_fabg .BitsPerComponent =int (*_ebea );};if _fabg .Predictor > 1{_fabg .Columns =1;_ccb =_bcb .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _ccb !=nil {_gafc ,_eefg :=_ccb .(*PdfObjectInteger );if !_eefg {return nil ,_ab .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_fabg .Columns =int (*_gafc );
};_fabg .Colors =1;_ccb =_bcb .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _ccb !=nil {_efd ,_dcce :=_ccb .(*PdfObjectInteger );if !_dcce {return nil ,_ab .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");
};_fabg .Colors =int (*_efd );};};_dd .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_bcb .String ());return _fabg ,nil ;};var _bcbf =_a .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");
func (_cgfec *PdfParser )repairLocateXref ()(int64 ,error ){_ecbd :=int64 (1000);_cgfec ._cgfb .Seek (-_ecbd ,_f .SeekCurrent );_agafcf ,_geeg :=_cgfec ._cgfb .Seek (0,_f .SeekCurrent );if _geeg !=nil {return 0,_geeg ;};_fecg :=make ([]byte ,_ecbd );_cgfec ._cgfb .Read (_fecg );
_abgd :=_cafdf .FindAllStringIndex (string (_fecg ),-1);if len (_abgd )< 1{_dd .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,_bg .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");};_fcac :=int64 (_abgd [len (_abgd )-1][0]);_efeaf :=_agafcf +_fcac ;return _efeaf ,nil ;};

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

// Remove removes an element specified by key.
func (_bgbd *PdfObjectDictionary )Remove (key PdfObjectName ){_afge :=-1;for _cedcb ,_gcfbc :=range _bgbd ._adba {if _gcfbc ==key {_afge =_cedcb ;break ;};};if _afge >=0{_bgbd ._adba =append (_bgbd ._adba [:_afge ],_bgbd ._adba [_afge +1:]...);delete (_bgbd ._befa ,key );
};};

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_ecdd []float64 ,_ceda error ){for _ ,_eacg :=range objects {_affcc ,_dgab :=GetNumberAsFloat (_eacg );if _dgab !=nil {return nil ,_dgab ;};_ecdd =append (_ecdd ,_affcc );};return _ecdd ,nil ;};var _dcdd =_a .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");


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

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

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

// Version represents a version of a PDF standard.
type Version struct{Major int ;Minor int ;};func (_eed *PdfCrypt )generateParams (_dgdg ,_bffc []byte )error {_afa :=_eed .securityHandler ();_bgag ,_caa :=_afa .GenerateParams (&_eed ._eaab ,_bffc ,_dgdg );if _caa !=nil {return _caa ;};_eed ._fea =_bgag ;
return nil ;};func _dcf (_fcd int )cryptFilters {return cryptFilters {_aac :_bad .NewFilterV2 (_fcd )}};

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

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_gbae *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_bdbd :=MakeDict ();_bdbd .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_gbae .GetFilterArray ());for _ ,_bfaa :=range _gbae ._bdbb {_eage :=_bfaa .MakeStreamDict ();for _ ,_agaf :=range _eage .Keys (){_bedc :=_eage .Get (_agaf );
if _agaf !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_agaf !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_bdbd .Set (_agaf ,_bedc );};};};_dgc :=_gbae .MakeDecodeParams ();if _dgc !=nil {_bdbd .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_dgc );
};return _bdbd ;};

// Append appends PdfObject(s) to the streams.
func (_fdee *PdfObjectStreams )Append (objects ...PdfObject ){if _fdee ==nil {_dd .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 ;};_fdee ._fbff =append (_fdee ._fbff ,objects ...);};

// DecodeStream decodes a JPX encoded stream and returns the result as a
// slice of bytes.
func (_abb *JPXEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_dd .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",_abb .GetFilterName ());
return streamObj .Stream ,ErrNoJPXDecode ;};func _fe (_cfa PdfObject )(int64 ,int64 ,error ){if _aga ,_acg :=_cfa .(*PdfIndirectObject );_acg {return _aga .ObjectNumber ,_aga .GenerationNumber ,nil ;};if _afb ,_cbc :=_cfa .(*PdfObjectStream );_cbc {return _afb .ObjectNumber ,_afb .GenerationNumber ,nil ;
};return 0,0,_bg .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");};

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

// GetFilterName returns the name of the encoding filter.
func (_bbdb *CCITTFaxEncoder )GetFilterName ()string {return StreamEncodingFilterNameCCITTFax };func _efef (_bdc *PdfObjectStream ,_geb *PdfObjectDictionary )(*FlateEncoder ,error ){_ffbf :=NewFlateEncoder ();_gcda :=_bdc .PdfObjectDictionary ;if _gcda ==nil {return _ffbf ,nil ;
};_ffbf ._affc =_bgfa (_gcda );if _geb ==nil {_eedf :=TraceToDirectObject (_gcda .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));switch _agc :=_eedf .(type ){case *PdfObjectArray :if _agc .Len ()!=1{_dd .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",_agc .Len ());
return nil ,_bg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _fabf ,_fbd :=GetDict (_agc .Get (0));_fbd {_geb =_fabf ;};case *PdfObjectDictionary :_geb =_agc ;case *PdfObjectNull ,nil :default:_dd .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",_eedf );
return nil ,_ab .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _geb ==nil {return _ffbf ,nil ;};_dd .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_geb .String ());
_gea :=_geb .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _gea ==nil {_dd .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 {_baad ,_ebgb :=_gea .(*PdfObjectInteger );if !_ebgb {_dd .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",_gea );
return nil ,_ab .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_ffbf .Predictor =int (*_baad );};_gea =_geb .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _gea !=nil {_ddfb ,_ebcd :=_gea .(*PdfObjectInteger );if !_ebcd {_dd .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 ,_ab .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_ffbf .BitsPerComponent =int (*_ddfb );};if _ffbf .Predictor > 1{_ffbf .Columns =1;_gea =_geb .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _gea !=nil {_afbf ,_ged :=_gea .(*PdfObjectInteger );if !_ged {return nil ,_ab .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_ffbf .Columns =int (*_afbf );
};_ffbf .Colors =1;_gea =_geb .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _gea !=nil {_agge ,_ggeb :=_gea .(*PdfObjectInteger );if !_ggeb {return nil ,_ab .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");
};_ffbf .Colors =int (*_agge );};};return _ffbf ,nil ;};

// GetNumberAsInt64 returns the contents of `obj` as an int64 if it is an integer or float, or an
// error if it isn't. This is for cases where expecting an integer, but some implementations
// actually store the number in a floating point format.
func GetNumberAsInt64 (obj PdfObject )(int64 ,error ){switch _abeb :=obj .(type ){case *PdfObjectFloat :_dd .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 (*_abeb ),nil ;case *PdfObjectInteger :return int64 (*_abeb ),nil ;};return 0,ErrNotANumber ;};func (_gcff *PdfCrypt )authenticate (_cad []byte )(bool ,error ){_gcff ._fg =false ;_eecd :=_gcff .securityHandler ();_acf ,_cbd ,_acaa :=_eecd .Authenticate (&_gcff ._eaab ,_cad );
if _acaa !=nil {return false ,_acaa ;}else if _cbd ==0||len (_acf )==0{return false ,nil ;};_gcff ._fg =true ;_gcff ._fea =_acf ;return true ,nil ;};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_ded *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _ded .Predictor !=1&&_ded .Predictor !=11{_dd .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 _ded .Predictor ==11{_beag :=_ded .Columns ;_fge :=len (data )/_beag ;if len (data )%_beag !=0{_dd .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_bg .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_edb :=_gg .NewBuffer (nil );_fgeg :=make ([]byte ,_beag );for _abc :=0;_abc < _fge ;_abc ++{_dafc :=data [_beag *_abc :_beag *(_abc +1)];
_fgeg [0]=_dafc [0];for _gce :=1;_gce < _beag ;_gce ++{_fgeg [_gce ]=byte (int (_dafc [_gce ]-_dafc [_gce -1])%256);};_edb .WriteByte (1);_edb .Write (_fgeg );};data =_edb .Bytes ();};var _fgg _gg .Buffer ;_cabd :=_af .NewWriter (&_fgg );_cabd .Write (data );
_cabd .Close ();return _fgg .Bytes (),nil ;};

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

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

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

// WriteString outputs the object as it is to be written to file.
func (_cbbb *PdfObjectStream )WriteString ()string {var _gaef _bgef .Builder ;_gaef .WriteString (_bc .FormatInt (_cbbb .ObjectNumber ,10));_gaef .WriteString ("\u0020\u0030\u0020\u0052");return _gaef .String ();};const _aac ="\u0053\u0074\u0064C\u0046";
func (_bedca *JBIG2Encoder )encodeImage (_dfaaa _d .Image )([]byte ,error ){const _dadef ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";_eadg ,_bacb :=GoImageToJBIG2 (_dfaaa ,JB2ImageAutoThreshold );if _bacb !=nil {return nil ,_eg .Wrap (_bacb ,_dadef ,"\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 _bacb =_bedca .AddPageImage (_eadg ,&_bedca .DefaultPageSettings );_bacb !=nil {return nil ,_eg .Wrap (_bacb ,_dadef ,"");};return _bedca .Encode ();};func (_fda *PdfCrypt )saveCryptFilters (_bffa *PdfObjectDictionary )error {if _fda ._acd .V < 4{return _bg .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");
};_gfc :=MakeDict ();_bffa .Set ("\u0043\u0046",_gfc );for _agdd ,_ggd :=range _fda ._ggf {if _agdd =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_bec :=_dag (_ggd ,"");_gfc .Set (PdfObjectName (_agdd ),_bec );};_bffa .Set ("\u0053\u0074\u0072\u0046",MakeName (_fda ._def ));
_bffa .Set ("\u0053\u0074\u006d\u0046",MakeName (_fda ._bff ));return nil ;};

// PdfObjectBool represents the primitive PDF boolean object.
type PdfObjectBool bool ;const (DefaultJPEGQuality =75;);func (_cee *PdfCrypt )makeKey (_eefa string ,_fdc ,_ggcg uint32 ,_bce []byte )([]byte ,error ){_dade ,_aebe :=_cee ._ggf [_eefa ];if !_aebe {return nil ,_ab .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_eefa );
};return _dade .MakeKey (_fdc ,_ggcg ,_bce );};

// EncodeJBIG2Image encodes 'img' into jbig2 encoded bytes stream, using default encoder settings.
func (_bcgc *JBIG2Encoder )EncodeJBIG2Image (img *JBIG2Image )([]byte ,error ){const _daee ="c\u006f\u0072\u0065\u002eEn\u0063o\u0064\u0065\u004a\u0042\u0049G\u0032\u0049\u006d\u0061\u0067\u0065";if _adbe :=_bcgc .AddPageImage (img ,&_bcgc .DefaultPageSettings );
_adbe !=nil {return nil ,_eg .Wrap (_adbe ,_daee ,"");};return _bcgc .Encode ();};func _ebeb (_cccefg ,_beff ,_eebf uint8 )uint8 {_gggg :=int (_eebf );_adeg :=int (_beff )-_gggg ;_faae :=int (_cccefg )-_gggg ;_gggg =_ffdd (_adeg +_faae );_adeg =_ffdd (_adeg );
_faae =_ffdd (_faae );if _adeg <=_faae &&_adeg <=_gggg {return _cccefg ;}else if _faae <=_gggg {return _beff ;};return _eebf ;};

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

// 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 _aabgb (obj ,0)};

// 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 )(_adddf string ,_bgeaaf bool ){_bdbdd ,_bgeaaf :=TraceToDirectObject (obj ).(*PdfObjectName );if _bgeaaf {return string (*_bdbdd ),true ;};return ;};func _faa (_fdd *_egf .StdEncryptDict ,_beda *PdfObjectDictionary )error {R ,_ffe :=_beda .Get ("\u0052").(*PdfObjectInteger );
if !_ffe {return _bg .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 _ab .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0052 \u0028\u0025\u0064\u0029",*R );
};_fdd .R =int (*R );O ,_ffe :=_beda .GetString ("\u004f");if !_ffe {return _bg .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 _fdd .R ==5||_fdd .R ==6{if len (O )< 48{return _ab .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 _ab .Errorf ("L\u0065n\u0067\u0074\u0068\u0028\u004f\u0029\u0020\u0021=\u0020\u0033\u0032\u0020(%\u0064\u0029",len (O ));};_fdd .O =[]byte (O );U ,_ffe :=_beda .GetString ("\u0055");if !_ffe {return _bg .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 _fdd .R ==5||_fdd .R ==6{if len (U )< 48{return _ab .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{_dd .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 ));
};_fdd .U =[]byte (U );if _fdd .R >=5{OE ,_cbe :=_beda .GetString ("\u004f\u0045");if !_cbe {return _bg .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 _ab .Errorf ("L\u0065\u006e\u0067\u0074h(\u004fE\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (OE ));};_fdd .OE =[]byte (OE );UE ,_cbe :=_beda .GetString ("\u0055\u0045");if !_cbe {return _bg .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 _ab .Errorf ("L\u0065\u006e\u0067\u0074h(\u0055E\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (UE ));};_fdd .UE =[]byte (UE );};P ,_ffe :=_beda .Get ("\u0050").(*PdfObjectInteger );if !_ffe {return _bg .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");
};_fdd .P =_egf .Permissions (*P );if _fdd .R ==6{Perms ,_bfe :=_beda .GetString ("\u0050\u0065\u0072m\u0073");if !_bfe {return _bg .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 _ab .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 ));};_fdd .Perms =[]byte (Perms );};if _fee ,_dgga :=_beda .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_dgga {_fdd .EncryptMetadata =bool (*_fee );}else {_fdd .EncryptMetadata =true ;};return nil ;};

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

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

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

// 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 _f .ReadSeeker )(*PdfParser ,error ){_gafe :=&PdfParser {_cgfb :rs ,ObjCache :make (objectCache ),_bceg :map[int64 ]bool {}};_cafc ,_gdfdc ,_gaae :=_gafe .parsePdfVersion ();if _gaae !=nil {_dd .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",_gaae );
return nil ,_gaae ;};_gafe ._ddea .Major =_cafc ;_gafe ._ddea .Minor =_gdfdc ;if _gafe ._ffgb ,_gaae =_gafe .loadXrefs ();_gaae !=nil {_dd .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",_gaae );
return nil ,_gaae ;};_dd .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_gafe ._ffgb );if len (_gafe ._ggb .ObjectMap )==0{return nil ,_ab .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 _gafe ,nil ;};func (_ggdgc *PdfParser )parseObject ()(PdfObject ,error ){_dd .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");_ggdgc .skipSpaces ();for {_acgg ,_cacfb :=_ggdgc ._ddbd .Peek (2);
if _cacfb !=nil {if _cacfb !=_f .EOF ||len (_acgg )==0{return nil ,_cacfb ;};if len (_acgg )==1{_acgg =append (_acgg ,' ');};};_dd .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_acgg ));if _acgg [0]=='/'{_dfce ,_cgee :=_ggdgc .parseName ();
_dd .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_dfce );return &_dfce ,_cgee ;}else if _acgg [0]=='('{_dd .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");_eefga ,_dbee :=_ggdgc .parseString ();return _eefga ,_dbee ;
}else if _acgg [0]=='['{_dd .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");_cafg ,_befe :=_ggdgc .parseArray ();return _cafg ,_befe ;}else if (_acgg [0]=='<')&&(_acgg [1]=='<'){_dd .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");
_daafg ,_ccgc :=_ggdgc .ParseDict ();return _daafg ,_ccgc ;}else if _acgg [0]=='<'{_dd .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");_fcfb ,_dbccf :=_ggdgc .parseHexString ();return _fcfb ,_dbccf ;}else if _acgg [0]=='%'{_ggdgc .readComment ();
_ggdgc .skipSpaces ();}else {_dd .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_acgg ,_ =_ggdgc ._ddbd .Peek (15);_ccbf :=string (_acgg );_dd .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_ccbf );
if (len (_ccbf )> 3)&&(_ccbf [:4]=="\u006e\u0075\u006c\u006c"){_ace ,_ddab :=_ggdgc .parseNull ();return &_ace ,_ddab ;}else if (len (_ccbf )> 4)&&(_ccbf [:5]=="\u0066\u0061\u006cs\u0065"){_bcaf ,_afda :=_ggdgc .parseBool ();return &_bcaf ,_afda ;}else if (len (_ccbf )> 3)&&(_ccbf [:4]=="\u0074\u0072\u0075\u0065"){_daagf ,_fceaa :=_ggdgc .parseBool ();
return &_daagf ,_fceaa ;};_gbeb :=_bcbf .FindStringSubmatch (_ccbf );if len (_gbeb )> 1{_acgg ,_ =_ggdgc ._ddbd .ReadBytes ('R');_dd .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_acgg [:]));_gdad ,_dbfa :=_ddae (string (_acgg ));
_gdad ._bbce =_ggdgc ;return &_gdad ,_dbfa ;};_egad :=_bgca .FindStringSubmatch (_ccbf );if len (_egad )> 1{_dd .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");_cfe ,_ebdg :=_ggdgc .parseNumber ();return _cfe ,_ebdg ;};_egad =_eafb .FindStringSubmatch (_ccbf );
if len (_egad )> 1{_dd .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");_dd .Log .Trace ("\u0025\u0020\u0073",_egad );_abcf ,_acbde :=_ggdgc .parseNumber ();return _abcf ,_acbde ;
};_dd .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_ccbf );return nil ,_bg .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");
};};};

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

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

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

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

// 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 (_eeg *MultiEncoder )GetFilterName ()string {_cfba :="";for _ecg ,_cbac :=range _eeg ._bdbb {_cfba +=_cbac .GetFilterName ();if _ecg < len (_eeg ._bdbb )-1{_cfba +="\u0020";};};return _cfba ;};

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

// 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 _d .Image ,bwThreshold float64 )(*JBIG2Image ,error ){const _ceaf ="\u0047\u006f\u0049\u006d\u0061\u0067\u0065\u0054\u006fJ\u0042\u0049\u0047\u0032";if i ==nil {return nil ,_eg .Error (_ceaf ,"i\u006d\u0061\u0067\u0065 '\u0069'\u0020\u006e\u006f\u0074\u0020d\u0065\u0066\u0069\u006e\u0065\u0064");
};var (_ddb uint8 ;_eacd _gc .Image ;_ddbb error ;);if bwThreshold ==JB2ImageAutoThreshold {_eacd ,_ddbb =_gc .MonochromeConverter .Convert (i );}else if bwThreshold > 1.0||bwThreshold < 0.0{return nil ,_eg .Error (_ceaf ,"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 {_ddb =uint8 (255*bwThreshold );_eacd ,_ddbb =_gc .MonochromeThresholdConverter (_ddb ).Convert (i );};if _ddbb !=nil {return nil ,_ddbb ;};return _gbdd (_eacd ),nil ;};var _afea =_a .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");
var _eafb =_a .MustCompile ("\u005e\u005b\\\u002b\u002d\u002e\u005d*\u0028\u005b0\u002d\u0039\u002e\u005d\u002b\u0029\u005b\u0065E\u005d\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");func _gdc (_dac *_bad .FilterDict ,_fbbf *PdfObjectDictionary )error {if _gbb ,_gda :=_fbbf .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_gda {if _cbf :=string (*_gbb );_cbf !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_dd .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",_cbf );
};};_fc ,_bdf :=_fbbf .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_bdf {return _ab .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");
};_dac .CFM =string (*_fc );if _cba ,_cfc :=_fbbf .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_cfc {_dac .AuthEvent =_egf .AuthEvent (*_cba );}else {_dac .AuthEvent =_egf .EventDocOpen ;};if _ge ,_egcd :=_fbbf .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_egcd {_dac .Length =int (*_ge );};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 )(_cffe *PdfObjectBool ,_adcd bool ){_cffe ,_adcd =TraceToDirectObject (obj ).(*PdfObjectBool );return _cffe ,_adcd ;};func (_aacg *PdfCrypt )checkAccessRights (_cccd []byte )(bool ,_egf .Permissions ,error ){_ceaa :=_aacg .securityHandler ();
_cga ,_affe ,_ccf :=_ceaa .Authenticate (&_aacg ._eaab ,_cccd );if _ccf !=nil {return false ,0,_ccf ;}else if _affe ==0||len (_cga )==0{return false ,0,nil ;};return true ,_affe ,nil ;};

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

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_fabb *JPXEncoder )MakeStreamDict ()*PdfObjectDictionary {return MakeDict ()};var _cccb =_a .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");

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

// 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 )(_ebag *PdfObjectArray ,_gbdfc bool ){_ebag ,_gbdfc =TraceToDirectObject (obj ).(*PdfObjectArray );return _ebag ,_gbdfc ;};

// 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 (_gcce *JBIG2Encoder )DecodeImages (encoded []byte )([]_d .Image ,error ){const _bfc ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_bcad ,_acdf :=_cc .Decode (encoded ,_cc .Parameters {},_gcce .Globals .ToDocumentGlobals ());
if _acdf !=nil {return nil ,_eg .Wrap (_acdf ,_bfc ,"");};_cfgd ,_acdf :=_bcad .PageNumber ();if _acdf !=nil {return nil ,_eg .Wrap (_acdf ,_bfc ,"");};_ddec :=[]_d .Image {};var _ggdff _d .Image ;for _dgdb :=1;_dgdb <=_cfgd ;_dgdb ++{_ggdff ,_acdf =_bcad .DecodePageImage (_dgdb );
if _acdf !=nil {return nil ,_eg .Wrapf (_acdf ,_bfc ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_dgdb );};_ddec =append (_ddec ,_ggdff );};return _ddec ,nil ;};func (_cgacb *PdfObjectInteger )String ()string {return _ab .Sprintf ("\u0025\u0064",*_cgacb )};


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

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_bdfg *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_dafb :=_gg .NewReader (encoded );var _bagb []byte ;for {_face ,_bage :=_dafb .ReadByte ();if _bage !=nil {return nil ,_bage ;};if _face =='>'{break ;};if IsWhiteSpace (_face ){continue ;
};if (_face >='a'&&_face <='f')||(_face >='A'&&_face <='F')||(_face >='0'&&_face <='9'){_bagb =append (_bagb ,_face );}else {_dd .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",_face );
return nil ,_ab .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",_face );};};if len (_bagb )%2==1{_bagb =append (_bagb ,'0');
};_dd .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_bagb );_bbef :=make ([]byte ,_dg .DecodedLen (len (_bagb )));_ ,_ceed :=_dg .Decode (_bbef ,_bagb );if _ceed !=nil {return nil ,_ceed ;};return _bbef ,nil ;};

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_befa map[PdfObjectName ]PdfObject ;_adba []PdfObjectName ;_gdfg *PdfParser ;};

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

// For predictors
Columns int ;Rows int ;Colors int ;_affc *_gc .ImageBase ;};func (_dge *PdfCrypt )securityHandler ()_egf .StdHandler {if _dge ._eaab .R >=5{return _egf .NewHandlerR6 ();};return _egf .NewHandlerR4 (_dge ._ed ,_dge ._acd .Length );};

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_abfd *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _egac _d .Image ;if _abfd .ColorComponents ==1&&_abfd .BitsPerComponent ==8{_egac =&_d .Gray {Rect :_d .Rect (0,0,_abfd .Width ,_abfd .Height ),Pix :data ,Stride :_gc .BytesPerLine (_abfd .Width ,_abfd .BitsPerComponent ,_abfd .ColorComponents )};
}else {var _ffa error ;_egac ,_ffa =_gc .NewImage (_abfd .Width ,_abfd .Height ,_abfd .BitsPerComponent ,_abfd .ColorComponents ,data ,nil ,nil );if _ffa !=nil {return nil ,_ffa ;};};_daea :=_ef .Options {};_daea .Quality =_abfd .Quality ;var _bdcg _gg .Buffer ;
if _fed :=_ef .Encode (&_bdcg ,_egac ,&_daea );_fed !=nil {return nil ,_fed ;};return _bdcg .Bytes (),nil ;};

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

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

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

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

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

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

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

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

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

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

// 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 (_fbgc *PdfObjectString )Decoded ()string {if _fbgc ==nil {return "";};_fca :=[]byte (_fbgc ._efbg );if len (_fca )>=2&&_fca [0]==0xFE&&_fca [1]==0xFF{return _ad .UTF16ToString (_fca [2:]);};return _ad .PDFDocEncodingToString (_fca );};

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_eeag *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _bfea []byte ;_dd .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_eede :=0;_dec :=false ;for _eede < len (encoded )&&!_dec {_cade :=[5]byte {0,0,0,0,0};
_ebed :=0;_aef :=0;_fgfd :=4;for _aef < 5+_ebed {if _eede +_aef ==len (encoded ){break ;};_faaf :=encoded [_eede +_aef ];if IsWhiteSpace (_faaf ){_ebed ++;_aef ++;continue ;}else if _faaf =='~'&&_eede +_aef +1< len (encoded )&&encoded [_eede +_aef +1]=='>'{_fgfd =(_aef -_ebed )-1;
if _fgfd < 0{_fgfd =0;};_dec =true ;break ;}else if _faaf >='!'&&_faaf <='u'{_faaf -='!';}else if _faaf =='z'&&_aef -_ebed ==0{_fgfd =4;_aef ++;break ;}else {_dd .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 ,_bg .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_cade [_aef -_ebed ]=_faaf ;_aef ++;};_eede +=_aef ;for _fcg :=_fgfd +1;_fcg < 5;_fcg ++{_cade [_fcg ]=84;
};_eggda :=uint32 (_cade [0])*85*85*85*85+uint32 (_cade [1])*85*85*85+uint32 (_cade [2])*85*85+uint32 (_cade [3])*85+uint32 (_cade [4]);_dfcc :=[]byte {byte ((_eggda >>24)&0xff),byte ((_eggda >>16)&0xff),byte ((_eggda >>8)&0xff),byte (_eggda &0xff)};_bfea =append (_bfea ,_dfcc [:_fgfd ]...);
};_dd .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_dd .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_bfea );
return _bfea ,nil ;};

// WriteString outputs the object as it is to be written to file.
func (_bgdgb *PdfObjectDictionary )WriteString ()string {var _agca _bgef .Builder ;_agca .WriteString ("\u003c\u003c");for _ ,_ccbg :=range _bgdgb ._adba {_faffe :=_bgdgb ._befa [_ccbg ];_agca .WriteString (_ccbg .WriteString ());_agca .WriteString ("\u0020");
_agca .WriteString (_faffe .WriteString ());};_agca .WriteString ("\u003e\u003e");return _agca .String ();};

// MakeNull creates an PdfObjectNull.
func MakeNull ()*PdfObjectNull {_adbb :=PdfObjectNull {};return &_adbb };func _eegg (_bcce string )(int ,int ,error ){_fceb :=_bbee .FindStringSubmatch (_bcce );if len (_fceb )< 3{return 0,0,_bg .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");
};_cbef ,_ :=_bc .Atoi (_fceb [1]);_bdfgc ,_ :=_bc .Atoi (_fceb [2]);return _cbef ,_bdfgc ,nil ;};

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

// 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 (_dfed *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _cdfade ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _dfed .ColorComponents !=1||_dfed .BitsPerComponent !=1{return nil ,_eg .Errorf (_cdfade ,"\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 (_eadf *_fdf .Bitmap ;_ced error ;);_fefc :=(_dfed .Width *_dfed .Height )==len (data );if _fefc {_eadf ,_ced =_fdf .NewWithUnpaddedData (_dfed .Width ,_dfed .Height ,data );}else {_eadf ,_ced =_fdf .NewWithData (_dfed .Width ,_dfed .Height ,data );
};if _ced !=nil {return nil ,_ced ;};_fdcb :=_dfed .DefaultPageSettings ;if _ced =_fdcb .Validate ();_ced !=nil {return nil ,_eg .Wrap (_ced ,_cdfade ,"");};if _dfed ._ecgc ==nil {_dfed ._ecgc =_df .InitEncodeDocument (_fdcb .FileMode );};switch _fdcb .Compression {case JB2Generic :if _ced =_dfed ._ecgc .AddGenericPage (_eadf ,_fdcb .DuplicatedLinesRemoval );
_ced !=nil {return nil ,_eg .Wrap (_ced ,_cdfade ,"");};case JB2SymbolCorrelation :return nil ,_eg .Error (_cdfade ,"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 ,_eg .Error (_cdfade ,"\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 ,_eg .Error (_cdfade ,"\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 _dfed .Encode ();};

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

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

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

// 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 ))};

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

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

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

// SetFileOffset sets the file to an offset position and resets buffer.
func (_gcfa *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_gcfa ._cgfb .Seek (offset ,_f .SeekStart );_gcfa ._ddbd =_fd .NewReader (_gcfa ._cgfb );};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_egbf *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_gfd :=_gg .NewReader (data );var _ceac []byte ;var _aaaa []byte ;_daaee ,_egace :=_gfd .ReadByte ();if _egace ==_f .EOF {return []byte {},nil ;}else if _egace !=nil {return nil ,_egace ;
};_fdda :=1;for {_bgcd ,_gag :=_gfd .ReadByte ();if _gag ==_f .EOF {break ;}else if _gag !=nil {return nil ,_gag ;};if _bgcd ==_daaee {if len (_aaaa )> 0{_aaaa =_aaaa [:len (_aaaa )-1];if len (_aaaa )> 0{_ceac =append (_ceac ,byte (len (_aaaa )-1));_ceac =append (_ceac ,_aaaa ...);
};_fdda =1;_aaaa =[]byte {};};_fdda ++;if _fdda >=127{_ceac =append (_ceac ,byte (257-_fdda ),_daaee );_fdda =0;};}else {if _fdda > 0{if _fdda ==1{_aaaa =[]byte {_daaee };}else {_ceac =append (_ceac ,byte (257-_fdda ),_daaee );};_fdda =0;};_aaaa =append (_aaaa ,_bgcd );
if len (_aaaa )>=127{_ceac =append (_ceac ,byte (len (_aaaa )-1));_ceac =append (_ceac ,_aaaa ...);_aaaa =[]byte {};};};_daaee =_bgcd ;};if len (_aaaa )> 0{_ceac =append (_ceac ,byte (len (_aaaa )-1));_ceac =append (_ceac ,_aaaa ...);}else if _fdda > 0{_ceac =append (_ceac ,byte (257-_fdda ),_daaee );
};_ceac =append (_ceac ,128);return _ceac ,nil ;};const _abcgc =32<<(^uint (0)>>63);func (_gbd *PdfCrypt )decryptBytes (_adad []byte ,_cac string ,_dgf []byte )([]byte ,error ){_dd .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_gada ,_egg :=_gbd ._ggf [_cac ];if !_egg {return nil ,_ab .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_cac );};return _gada .DecryptBytes (_adad ,_dgf );};

// WriteString outputs the object as it is to be written to file.
func (_dbgbg *PdfObjectNull )WriteString ()string {return "\u006e\u0075\u006c\u006c"};type cryptFilters map[string ]_bad .Filter ;

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

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

// 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 (_geag *LZWEncoder )EncodeBytes (data []byte )([]byte ,error ){if _geag .Predictor !=1{return nil ,_ab .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 _geag .EarlyChange ==1{return nil ,_ab .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 _cbfd _gg .Buffer ;_fbae :=_eb .NewWriter (&_cbfd ,_eb .MSB ,8);_fbae .Write (data );_fbae .Close ();return _cbfd .Bytes (),nil ;};func (_eega *PdfParser )rebuildXrefTable ()error {_ebdc :=XrefTable {};_ebdc .ObjectMap =map[int ]XrefObject {};_efbf :=make ([]int ,0,len (_eega ._ggb .ObjectMap ));
for _bdccf :=range _eega ._ggb .ObjectMap {_efbf =append (_efbf ,_bdccf );};_bge .Ints (_efbf );for _ ,_fega :=range _efbf {_dedbc :=_eega ._ggb .ObjectMap [_fega ];_gdag ,_ ,_eccb :=_eega .lookupByNumberWrapper (_fega ,false );if _eccb !=nil {_dd .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",_eccb );
_dd .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");
_eccdb ,_cdfg :=_eega .repairRebuildXrefsTopDown ();if _cdfg !=nil {_dd .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",_cdfg );
return _cdfg ;};_eega ._ggb =*_eccdb ;_dd .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_cgdgf ,_bbcb ,_eccb :=_fe (_gdag );if _eccb !=nil {return _eccb ;
};_dedbc .ObjectNumber =int (_cgdgf );_dedbc .Generation =int (_bbcb );_ebdc .ObjectMap [int (_cgdgf )]=_dedbc ;};_eega ._ggb =_ebdc ;_dd .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");_cea (_eega ._ggb );
return nil ;};

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

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

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

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

// PdfObjectName represents the primitive PDF name object.
type PdfObjectName string ;func _ccce (_geca *PdfObjectStream ,_defb *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;};

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

// String returns a string describing `streams`.
func (_adbf *PdfObjectStreams )String ()string {return _ab .Sprintf ("\u004f\u0062j\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0025\u0064",_adbf .ObjectNumber );};func (_egbg *PdfCrypt )encryptBytes (_cbfe []byte ,_ccgd string ,_bgd []byte )([]byte ,error ){_dd .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_aagd ,_fdef :=_egbg ._ggf [_ccgd ];if !_fdef {return nil ,_ab .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_ccgd );};return _aagd .EncryptBytes (_cbfe ,_bgd );};

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_cgg *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_da ,_efg :=obj .(*PdfObjectReference );if !_efg {return obj ,nil ;};_fba :=_cgg .GetFileOffset ();defer func (){_cgg .SetFileOffset (_fba )}();_gcd ,_eec :=_cgg .LookupByReference (*_da );
if _eec !=nil {return nil ,_eec ;};_bag ,_aaee :=_gcd .(*PdfIndirectObject );if !_aaee {return _gcd ,nil ;};_gcd =_bag .PdfObject ;_ ,_efg =_gcd .(*PdfObjectReference );if _efg {return _bag ,_bg .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 _gcd ,nil ;};

// 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 )(_decg string ,_dfgf bool ){_aadd ,_dfgf :=TraceToDirectObject (obj ).(*PdfObjectString );if _dfgf {return _aadd .Str (),true ;};return ;};const (JB2Generic JBIG2CompressionType =iota ;JB2SymbolCorrelation ;JB2SymbolRankHaus ;
);

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

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

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_efbg string ;_dcff bool ;};

// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_acd encryptDict ;_eaab _egf .StdEncryptDict ;_ed string ;_fea []byte ;_aaeec map[PdfObject ]bool ;_agd map[PdfObject ]bool ;_fg bool ;_ggf cryptFilters ;_bff string ;_def string ;_cab *PdfParser ;_ebc map[int ]struct{};};

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_ggae *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_dd .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_dd .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_ggae .Predictor );
_cdg ,_gdd :=_ggae .DecodeBytes (streamObj .Stream );if _gdd !=nil {return nil ,_gdd ;};_dd .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_dd .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_cdg ),_cdg );
if _ggae .Predictor > 1{if _ggae .Predictor ==2{_dd .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_gfg :=_ggae .Columns *_ggae .Colors ;if _gfg < 1{return []byte {},nil ;};_gafcb :=len (_cdg )/_gfg ;if len (_cdg )%_gfg !=0{_dd .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 ,_ab .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 (_cdg ),_gfg );};if _gfg %_ggae .Colors !=0{return nil ,_ab .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",_gfg ,_ggae .Colors );
};if _gfg > len (_cdg ){_dd .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",_gfg ,len (_cdg ));
return nil ,_bg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_dd .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_cdg ),_cdg );
_beagb :=_gg .NewBuffer (nil );for _bdgc :=0;_bdgc < _gafcb ;_bdgc ++{_fgb :=_cdg [_gfg *_bdgc :_gfg *(_bdgc +1)];for _fad :=_ggae .Colors ;_fad < _gfg ;_fad ++{_fgb [_fad ]=byte (int (_fgb [_fad ]+_fgb [_fad -_ggae .Colors ])%256);};_beagb .Write (_fgb );
};_aabg :=_beagb .Bytes ();_dd .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_aabg ),_aabg );return _aabg ,nil ;}else if _ggae .Predictor >=10&&_ggae .Predictor <=15{_dd .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_acda :=_ggae .Columns *_ggae .Colors +1;if _acda < 1{return []byte {},nil ;};_eeb :=len (_cdg )/_acda ;if len (_cdg )%_acda !=0{return nil ,_ab .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 (_cdg ),_acda );
};if _acda > len (_cdg ){_dd .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",_acda ,len (_cdg ));
return nil ,_bg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_daae :=_gg .NewBuffer (nil );_dd .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_ggae .Columns );
_dd .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_cdg ),_acda ,_eeb );_gcac :=make ([]byte ,_acda );for _defgf :=0;_defgf < _acda ;_defgf ++{_gcac [_defgf ]=0;
};for _bfff :=0;_bfff < _eeb ;_bfff ++{_edgd :=_cdg [_acda *_bfff :_acda *(_bfff +1)];_fbe :=_edgd [0];switch _fbe {case 0:case 1:for _fbbd :=2;_fbbd < _acda ;_fbbd ++{_edgd [_fbbd ]=byte (int (_edgd [_fbbd ]+_edgd [_fbbd -1])%256);};case 2:for _gabg :=1;
_gabg < _acda ;_gabg ++{_edgd [_gabg ]=byte (int (_edgd [_gabg ]+_gcac [_gabg ])%256);};default:_dd .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",_fbe );
return nil ,_ab .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_fbe );};for _afdc :=0;_afdc < _acda ;_afdc ++{_gcac [_afdc ]=_edgd [_afdc ];};_daae .Write (_edgd [1:]);
};_eaf :=_daae .Bytes ();return _eaf ,nil ;}else {_dd .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",_ggae .Predictor );
return nil ,_ab .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",_ggae .Predictor );};};return _cdg ,nil ;};

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

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

// TraceToDirectObject traces a PdfObject to a direct object.  For example direct objects contained
// in indirect objects (can be double referenced even).
func TraceToDirectObject (obj PdfObject )PdfObject {if _caebe ,_bdbg :=obj .(*PdfObjectReference );_bdbg {obj =_caebe .Resolve ();};_eeee ,_dfab :=obj .(*PdfIndirectObject );_caggg :=0;for _dfab {obj =_eeee .PdfObject ;_eeee ,_dfab =GetIndirect (obj );
_caggg ++;if _caggg > _bead {_dd .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",_bead );
return nil ;};};return obj ;};func _faff (_baaa PdfObject )(*float64 ,error ){switch _ecde :=_baaa .(type ){case *PdfObjectFloat :_cedg :=float64 (*_ecde );return &_cedg ,nil ;case *PdfObjectInteger :_fabc :=float64 (*_ecde );return &_fabc ,nil ;case *PdfObjectNull :return nil ,nil ;
};return nil ,ErrNotANumber ;};

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

// 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 *_fd .Reader )(PdfObject ,error ){_gdage :=false ;_ddcfe :=true ;var _bgead _gg .Buffer ;for {if _dd .Log .IsLogLevel (_dd .LogLevelTrace ){_dd .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_bgead .String ());
};_ddad ,_ecbf :=buf .Peek (1);if _ecbf ==_f .EOF {break ;};if _ecbf !=nil {_dd .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_ecbf );return nil ,_ecbf ;};if _ddcfe &&(_ddad [0]=='-'||_ddad [0]=='+'){_efbba ,_ :=buf .ReadByte ();_bgead .WriteByte (_efbba );
_ddcfe =false ;}else if IsDecimalDigit (_ddad [0]){_cfeg ,_ :=buf .ReadByte ();_bgead .WriteByte (_cfeg );}else if _ddad [0]=='.'{_adfd ,_ :=buf .ReadByte ();_bgead .WriteByte (_adfd );_gdage =true ;}else if _ddad [0]=='e'||_ddad [0]=='E'{_ggfd ,_ :=buf .ReadByte ();
_bgead .WriteByte (_ggfd );_gdage =true ;_ddcfe =true ;}else {break ;};};var _dccdg PdfObject ;if _gdage {_ddgf ,_bgga :=_bc .ParseFloat (_bgead .String (),64);if _bgga !=nil {_dd .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",_bgead .String (),_bgga );
_ddgf =0.0;};_dbcce :=PdfObjectFloat (_ddgf );_dccdg =&_dbcce ;}else {_gaaf ,_ecce :=_bc .ParseInt (_bgead .String (),10,64);if _ecce !=nil {_dd .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",_bgead .String (),_ecce );
_gaaf =0;};_bbbb :=PdfObjectInteger (_gaaf );_dccdg =&_bbbb ;};return _dccdg ,nil ;};var _cafdf =_a .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");
type xrefType int ;

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_gdce *CCITTFaxEncoder )MakeDecodeParams ()PdfObject {_bde :=MakeDict ();_bde .Set ("\u004b",MakeInteger (int64 (_gdce .K )));_bde .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_gdce .Columns )));if _gdce .BlackIs1 {_bde .Set ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031",MakeBool (_gdce .BlackIs1 ));
};if _gdce .EncodedByteAlign {_bde .Set ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e",MakeBool (_gdce .EncodedByteAlign ));};if _gdce .EndOfLine &&_gdce .K >=0{_bde .Set ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee",MakeBool (_gdce .EndOfLine ));
};if _gdce .Rows !=0&&!_gdce .EndOfBlock {_bde .Set ("\u0052\u006f\u0077\u0073",MakeInteger (int64 (_gdce .Rows )));};if !_gdce .EndOfBlock {_bde .Set ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b",MakeBool (_gdce .EndOfBlock ));};if _gdce .DamagedRowsBeforeError !=0{_bde .Set ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072",MakeInteger (int64 (_gdce .DamagedRowsBeforeError )));
};return _bde ;};func (_dcddc *PdfParser )parseArray ()(*PdfObjectArray ,error ){_dgdca :=MakeArray ();_dcddc ._ddbd .ReadByte ();for {_dcddc .skipSpaces ();_cefb ,_bcfe :=_dcddc ._ddbd .Peek (1);if _bcfe !=nil {return _dgdca ,_bcfe ;};if _cefb [0]==']'{_dcddc ._ddbd .ReadByte ();
break ;};_dbd ,_bcfe :=_dcddc .parseObject ();if _bcfe !=nil {return _dgdca ,_bcfe ;};_dgdca .Append (_dbd );};return _dgdca ,nil ;};func _ffdd (_acfc int )int {_effb :=_acfc >>(_abcgc -1);return (_acfc ^_effb )-_effb };

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

// DecodeBytes decodes a slice of JBIG2 encoded bytes and returns the results.
func (_fecbe *JBIG2Encoder )DecodeBytes (encoded []byte )([]byte ,error ){return _dfc .DecodeBytes (encoded ,_cc .Parameters {},_fecbe .Globals );};func (_becab *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_becab ._ggb .ObjectMap =make (map[int ]XrefObject );
_becab ._accg =make (objectStreams );_gcbg ,_fgggg :=_becab ._cgfb .Seek (0,_f .SeekEnd );if _fgggg !=nil {return nil ,_fgggg ;};_dd .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_gcbg );_becab ._aefc =_gcbg ;_fgggg =_becab .seekToEOFMarker (_gcbg );
if _fgggg !=nil {_dd .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",_fgggg );return nil ,_fgggg ;};_aegc ,_fgggg :=_becab ._cgfb .Seek (0,_f .SeekCurrent );
if _fgggg !=nil {return nil ,_fgggg ;};var _feg int64 =64;_ecad :=_aegc -_feg ;if _ecad < 0{_ecad =0;};_ ,_fgggg =_becab ._cgfb .Seek (_ecad ,_f .SeekStart );if _fgggg !=nil {return nil ,_fgggg ;};_geefa :=make ([]byte ,_feg );_ ,_fgggg =_becab ._cgfb .Read (_geefa );
if _fgggg !=nil {_dd .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",_fgggg );
return nil ,_fgggg ;};_agag :=_cgaf .FindStringSubmatch (string (_geefa ));if len (_agag )< 2{_dd .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 ,_bg .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};if len (_agag )> 2{_dd .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",_geefa );
return nil ,_bg .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");};_ddgaf ,_ :=_bc .ParseInt (_agag [1],10,64);_dd .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_ddgaf );
if _ddgaf > _gcbg {_dd .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");_dd .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");
_ddgaf ,_fgggg =_becab .repairLocateXref ();if _fgggg !=nil {_dd .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 ,_fgggg ;};};_becab ._cgfb .Seek (_ddgaf ,_f .SeekStart );_becab ._ddbd =_fd .NewReader (_becab ._cgfb );_fgcb ,_fgggg :=_becab .parseXref ();if _fgggg !=nil {return nil ,_fgggg ;};_fgggd :=_fgcb .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");
if _fgggd !=nil {_fcdga ,_adgb :=_fgggd .(*PdfObjectInteger );if !_adgb {return nil ,_bg .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_fgggg =_becab .parseXrefStream (_fcdga );if _fgggg !=nil {return nil ,_fgggg ;
};};var _fadf []int64 ;_gdded :=func (_fddeag int64 ,_ebbg []int64 )bool {for _ ,_fggc :=range _ebbg {if _fggc ==_fddeag {return true ;};};return false ;};_fgggd =_fgcb .Get ("\u0050\u0072\u0065\u0076");for _fgggd !=nil {_bcdg ,_cagg :=_fgggd .(*PdfObjectInteger );
if !_cagg {_dd .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",_fgggd );
return _fgcb ,nil ;};_bfca :=*_bcdg ;_dd .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",_bfca );_becab ._cgfb .Seek (int64 (_bfca ),_f .SeekStart );
_becab ._ddbd =_fd .NewReader (_becab ._cgfb );_adca ,_cdba :=_becab .parseXref ();if _cdba !=nil {_dd .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");
_dd .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 ;};_fgggd =_adca .Get ("\u0050\u0072\u0065\u0076");
if _fgggd !=nil {_eaae :=*(_fgggd .(*PdfObjectInteger ));if _gdded (int64 (_eaae ),_fadf ){_dd .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 ;};_fadf =append (_fadf ,int64 (_eaae ));};};return _fgcb ,nil ;};

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_caaga *RunLengthEncoder )MakeDecodeParams ()PdfObject {return nil };func (_dc *PdfParser )lookupObjectViaOS (_ff int ,_ca int )(PdfObject ,error ){var _ec *_gg .Reader ;var _age objectStream ;var _bd bool ;_age ,_bd =_dc ._accg [_ff ];if !_bd {_dgg ,_baa :=_dc .LookupByNumber (_ff );
if _baa !=nil {_dd .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",_ff );return nil ,_baa ;};_aa ,_cgc :=_dgg .(*PdfObjectStream );
if !_cgc {return nil ,_bg .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _dc ._cgfe !=nil &&!_dc ._cgfe .isDecrypted (_aa ){return nil ,_bg .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");
};_fb :=_aa .PdfObjectDictionary ;_dd .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_fb .String ());_bcf ,_cgc :=_fb .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_cgc {_dd .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 ,_bg .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 _bgef .ToLower (string (*_bcf ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_dd .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 ,_bg .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 ,_cgc :=_fb .Get ("\u004e").(*PdfObjectInteger );if !_cgc {return nil ,_bg .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");
};_gca ,_cgc :=_fb .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_cgc {return nil ,_bg .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");
};_dd .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",_bcf ,*N );_ee ,_baa :=DecodeStream (_aa );if _baa !=nil {return nil ,_baa ;
};_dd .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_ee );_be :=_dc .GetFileOffset ();defer func (){_dc .SetFileOffset (_be )}();_ec =_gg .NewReader (_ee );_dc ._ddbd =_fd .NewReader (_ec );_dd .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_ea :=map[int ]int64 {};for _cf :=0;_cf < int (*N );_cf ++{_dc .skipSpaces ();_ccd ,_bb :=_dc .parseNumber ();if _bb !=nil {return nil ,_bb ;};_fbg ,_eef :=_ccd .(*PdfObjectInteger );if !_eef {return nil ,_bg .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");
};_dc .skipSpaces ();_ccd ,_bb =_dc .parseNumber ();if _bb !=nil {return nil ,_bb ;};_gab ,_eef :=_ccd .(*PdfObjectInteger );if !_eef {return nil ,_bg .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");
};_dd .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_fbg ,*_gab );_ea [int (*_fbg )]=int64 (*_gca +*_gab );};_age =objectStream {N :int (*N ),_gbg :_ee ,_ag :_ea };_dc ._accg [_ff ]=_age ;}else {_gf :=_dc .GetFileOffset ();
defer func (){_dc .SetFileOffset (_gf )}();_ec =_gg .NewReader (_age ._gbg );_dc ._ddbd =_fd .NewReader (_ec );};_eab :=_age ._ag [_ca ];_dd .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_ca ,_eab );
_ec .Seek (_eab ,_f .SeekStart );_dc ._ddbd =_fd .NewReader (_ec );_agg ,_ :=_dc ._ddbd .Peek (100);_dd .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_agg ));_aae ,_aaa :=_dc .parseObject ();if _aaa !=nil {_dd .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",_aaa );
return nil ,_aaa ;};if _aae ==nil {return nil ,_bg .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");};_bac :=PdfIndirectObject {};_bac .ObjectNumber =int64 (_ca );_bac .PdfObject =_aae ;return &_bac ,nil ;
};

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

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

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

// JBIG2EncoderSettings contains the parameters and settings used by the JBIG2Encoder.
// Current version works only on JB2Generic compression.
type JBIG2EncoderSettings struct{

// FileMode defines if the jbig2 encoder should return full jbig2 file instead of
// shortened pdf mode. This adds the file header to the jbig2 definition.
FileMode bool ;

// Compression is the setting that defines the compression type used for encoding the page.
Compression JBIG2CompressionType ;

// DuplicatedLinesRemoval code generic region in a way such that if the lines are duplicated the encoder
// doesn't store it twice.
DuplicatedLinesRemoval bool ;

// DefaultPixelValue is the bit value initial for every pixel in the page.
DefaultPixelValue uint8 ;

// ResolutionX optional setting that defines the 'x' axis input image resolution - used for single page encoding.
ResolutionX int ;

// ResolutionY optional setting that defines the 'y' axis input image resolution - used for single page encoding.
ResolutionY int ;

// Threshold defines the threshold of the image correlation for
// non Generic compression.
// User only for JB2SymbolCorrelation and JB2SymbolRankHaus methods.
// Best results in range [0.7 - 0.98] - the less the better the compression would be
// but the more lossy.
// Default value: 0.95
Threshold float64 ;};func (_dfg *ASCII85Encoder )base256Tobase85 (_dce uint32 )[5]byte {_feaa :=[5]byte {0,0,0,0,0};_dbef :=_dce ;for _deec :=0;_deec < 5;_deec ++{_bbbc :=uint32 (1);for _aadf :=0;_aadf < 4-_deec ;_aadf ++{_bbbc *=85;};_ddfbb :=_dbef /_bbbc ;
_dbef =_dbef %_bbbc ;_feaa [_deec ]=byte (_ddfbb );};return _feaa ;};

// 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};

// DCTEncoder provides a DCT (JPG) encoding/decoding functionality for images.
type DCTEncoder struct{ColorComponents int ;BitsPerComponent int ;Width int ;Height int ;Quality int ;};type objectStream struct{N int ;_gbg []byte ;_ag map[int ]int64 ;};

// EncodeImage encodes 'img' golang image.Image into jbig2 encoded bytes document using default encoder settings.
func (_fcb *JBIG2Encoder )EncodeImage (img _d .Image )([]byte ,error ){return _fcb .encodeImage (img )};func (_gfccb *PdfParser )skipComments ()error {if _ ,_ebec :=_gfccb .skipSpaces ();_ebec !=nil {return _ebec ;};_gfed :=true ;for {_aefe ,_fdbc :=_gfccb ._ddbd .Peek (1);
if _fdbc !=nil {_dd .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_fdbc .Error ());return _fdbc ;};if _gfed &&_aefe [0]!='%'{return nil ;};_gfed =false ;if (_aefe [0]!='\r')&&(_aefe [0]!='\n'){_gfccb ._ddbd .ReadByte ();}else {break ;
};};return _gfccb .skipComments ();};

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

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

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

// IsFloatDigit checks if a character can be a part of a float number string.
func IsFloatDigit (c byte )bool {return ('0'<=c &&c <='9')||c =='.'};type objectStreams map[int ]objectStream ;

// Set sets the dictionary's key -> val mapping entry. Overwrites if key already set.
func (_dcgeg *PdfObjectDictionary )Set (key PdfObjectName ,val PdfObject ){_ ,_bdae :=_dcgeg ._befa [key ];if !_bdae {_dcgeg ._adba =append (_dcgeg ._adba ,key );};_dcgeg ._befa [key ]=val ;};func (_cgfd *PdfParser )parseString ()(*PdfObjectString ,error ){_cgfd ._ddbd .ReadByte ();
var _ddga _gg .Buffer ;_gdcea :=1;for {_cfce ,_bcefa :=_cgfd ._ddbd .Peek (1);if _bcefa !=nil {return MakeString (_ddga .String ()),_bcefa ;};if _cfce [0]=='\\'{_cgfd ._ddbd .ReadByte ();_agec ,_cebec :=_cgfd ._ddbd .ReadByte ();if _cebec !=nil {return MakeString (_ddga .String ()),_cebec ;
};if IsOctalDigit (_agec ){_eebfa ,_deeg :=_cgfd ._ddbd .Peek (2);if _deeg !=nil {return MakeString (_ddga .String ()),_deeg ;};var _bbda []byte ;_bbda =append (_bbda ,_agec );for _ ,_cdfcf :=range _eebfa {if IsOctalDigit (_cdfcf ){_bbda =append (_bbda ,_cdfcf );
}else {break ;};};_cgfd ._ddbd .Discard (len (_bbda )-1);_dd .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_bbda );_dcdf ,_deeg :=_bc .ParseUint (string (_bbda ),8,32);if _deeg !=nil {return MakeString (_ddga .String ()),_deeg ;
};_ddga .WriteByte (byte (_dcdf ));continue ;};switch _agec {case 'n':_ddga .WriteRune ('\n');case 'r':_ddga .WriteRune ('\r');case 't':_ddga .WriteRune ('\t');case 'b':_ddga .WriteRune ('\b');case 'f':_ddga .WriteRune ('\f');case '(':_ddga .WriteRune ('(');
case ')':_ddga .WriteRune (')');case '\\':_ddga .WriteRune ('\\');};continue ;}else if _cfce [0]=='('{_gdcea ++;}else if _cfce [0]==')'{_gdcea --;if _gdcea ==0{_cgfd ._ddbd .ReadByte ();break ;};};_cgef ,_ :=_cgfd ._ddbd .ReadByte ();_ddga .WriteByte (_cgef );
};return MakeString (_ddga .String ()),nil ;};

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

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

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

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

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

// DecodeBytes decodes the CCITTFax encoded image data.
func (_ccga *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_ccebc :=&_eff .Encoder {K :_ccga .K ,Columns :_ccga .Columns ,EndOfLine :_ccga .EndOfLine ,EndOfBlock :_ccga .EndOfBlock ,BlackIs1 :_ccga .BlackIs1 ,DamagedRowsBeforeError :_ccga .DamagedRowsBeforeError ,Rows :_ccga .Rows ,EncodedByteAlign :_ccga .EncodedByteAlign };
_bgfd ,_badcd :=_ccebc .Decode (encoded );if _badcd !=nil {return nil ,_badcd ;};var _fccf []byte ;_ebba :=0;var _bfb byte ;var _dagc byte ;for _bgeaa :=range _bgfd {if _bfb !=0{_fccf =append (_fccf ,_dagc );_dagc =0;_ebba ++;_bfb =0;};for _ffge :=range _bgfd [_bgeaa ]{_dagc |=_bgfd [_bgeaa ][_ffge ]<<(7-_bfb );
_bfb ++;if _bfb ==8{_fccf =append (_fccf ,_dagc );_dagc =0;_ebba ++;_bfb =0;};};};if _bfb > 0{_fccf =append (_fccf ,_dagc );};return _fccf ,nil ;};

// GetFloatVal returns the float64 value represented by the PdfObject directly or indirectly if contained within an
// indirect object. On type mismatch the found bool flag returned is false and a nil pointer is returned.
func GetFloatVal (obj PdfObject )(_eda float64 ,_fbccb bool ){_cecff ,_fbccb :=TraceToDirectObject (obj ).(*PdfObjectFloat );if _fbccb {return float64 (*_cecff ),true ;};return 0,false ;};

// 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 )(_fbedg *PdfObjectString ,_gddd bool ){_fbedg ,_gddd =TraceToDirectObject (obj ).(*PdfObjectString );return _fbedg ,_gddd ;};

// RunLengthEncoder represents Run length encoding.
type RunLengthEncoder struct{};const _bead =10;func (_fage *PdfParser )parseXrefStream (_gbdgc *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _gbdgc !=nil {_dd .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",_gbdgc );
_fage ._cgfb .Seek (int64 (*_gbdgc ),_f .SeekStart );_fage ._ddbd =_fd .NewReader (_fage ._cgfb );};_edea :=_fage .GetFileOffset ();_dbba ,_fffgd :=_fage .ParseIndirectObject ();if _fffgd !=nil {_dd .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 ,_bg .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");};_dd .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_dbba );
_eedc ,_gbcg :=_dbba .(*PdfObjectStream );if !_gbcg {_dd .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 ,_bg .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");};_dbdfb :=_eedc .PdfObjectDictionary ;
_aaadd ,_gbcg :=_eedc .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_gbcg {_dd .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 ,_bg .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 (*_aaadd )> 8388607{_dd .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",*_aaadd );
return nil ,_bg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_feab :=_eedc .PdfObjectDictionary .Get ("\u0057");_gdfc ,_gbcg :=_feab .(*PdfObjectArray );if !_gbcg {return nil ,_bg .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_acggd :=_gdfc .Len ();if _acggd !=3{_dd .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",_acggd );
return nil ,_bg .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 _ffaa []int64 ;for _cbba :=0;_cbba < 3;
_cbba ++{_eadfa ,_dbfb :=GetInt (_gdfc .Get (_cbba ));if !_dbfb {return nil ,_bg .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_ffaa =append (_ffaa ,int64 (*_eadfa ));};_eadd ,_fffgd :=DecodeStream (_eedc );
if _fffgd !=nil {_dd .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",_fffgd );return nil ,_fffgd ;};_adcc :=int (_ffaa [0]);
_cdcg :=int (_ffaa [0]+_ffaa [1]);_aegf :=int (_ffaa [0]+_ffaa [1]+_ffaa [2]);_fcfag :=int (_ffaa [0]+_ffaa [1]+_ffaa [2]);if _adcc < 0||_cdcg < 0||_aegf < 0{_dd .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",_adcc ,_cdcg ,_aegf );
return nil ,_bg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _fcfag ==0{_dd .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 _dbdfb ,nil ;};_ccdc :=len (_eadd )/_fcfag ;_cfbe :=0;_bbdba :=_eedc .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _fgbc []int ;if _bbdba !=nil {_dd .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_bbdba );_fefef ,_aega :=_bbdba .(*PdfObjectArray );
if !_aega {_dd .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 ,_bg .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _fefef .Len ()%2!=0{_dd .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 ,_bg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cfbe =0;_gbdf ,_aeed :=_fefef .ToIntegerArray ();if _aeed !=nil {_dd .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",_aeed );
return nil ,_aeed ;};for _dadafe :=0;_dadafe < len (_gbdf );_dadafe +=2{_efea :=_gbdf [_dadafe ];_fcdf :=_gbdf [_dadafe +1];for _cgaea :=0;_cgaea < _fcdf ;_cgaea ++{_fgbc =append (_fgbc ,_efea +_cgaea );};_cfbe +=_fcdf ;};}else {for _fbedf :=0;_fbedf < int (*_aaadd );
_fbedf ++{_fgbc =append (_fgbc ,_fbedf );};_cfbe =int (*_aaadd );};if _ccdc ==_cfbe +1{_dd .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");
_fgbcf :=_cfbe -1;for _ ,_fffgf :=range _fgbc {if _fffgf > _fgbcf {_fgbcf =_fffgf ;};};_fgbc =append (_fgbc ,_fgbcf +1);_cfbe ++;};if _ccdc !=len (_fgbc ){_dd .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",_ccdc ,len (_fgbc ));
return nil ,_bg .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");};_dd .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_cfbe );
_dd .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_fgbc );_cccab :=func (_bffeb []byte )int64 {var _dfdb int64 ;for _egdc :=0;_egdc < len (_bffeb );_egdc ++{_dfdb +=int64 (_bffeb [_egdc ])*(1<<uint (8*(len (_bffeb )-_egdc -1)));
};return _dfdb ;};_dd .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_eadd ));_fggg :=0;for _ffaaf :=0;_ffaaf < len (_eadd );_ffaaf +=_fcfag {_fecag :=_bdcd (len (_eadd ),_ffaaf ,_ffaaf +_adcc );
if _fecag !=nil {_dd .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_fecag );return nil ,_fecag ;};_ffbda :=_eadd [_ffaaf :_ffaaf +_adcc ];_fecag =_bdcd (len (_eadd ),_ffaaf +_adcc ,_ffaaf +_cdcg );
if _fecag !=nil {_dd .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_fecag );return nil ,_fecag ;};_bbdaa :=_eadd [_ffaaf +_adcc :_ffaaf +_cdcg ];_fecag =_bdcd (len (_eadd ),_ffaaf +_cdcg ,_ffaaf +_aegf );
if _fecag !=nil {_dd .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_fecag );return nil ,_fecag ;};_efeg :=_eadd [_ffaaf +_cdcg :_ffaaf +_aegf ];_faea :=_cccab (_ffbda );
_efbb :=_cccab (_bbdaa );_bcafg :=_cccab (_efeg );if _ffaa [0]==0{_faea =1;};if _fggg >=len (_fgbc ){_dd .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 ;};_cfde :=_fgbc [_fggg ];_fggg ++;_dd .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_cfde ,_ffbda );_dd .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_cfde ,_bbdaa );_dd .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_cfde ,_efeg );
_dd .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_cfde ,_faea ,_efbb ,_bcafg );if _faea ==0{_dd .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 _faea ==1{_dd .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",_bbdaa );if _efbb ==_edea {_dd .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",_cfde ,_eedc .ObjectNumber );
_cfde =int (_eedc .ObjectNumber );};if _ggge ,_fdec :=_fage ._ggb .ObjectMap [_cfde ];!_fdec ||int (_bcafg )> _ggge .Generation {_aaaff :=XrefObject {ObjectNumber :_cfde ,XType :XrefTypeTableEntry ,Offset :_efbb ,Generation :int (_bcafg )};_fage ._ggb .ObjectMap [_cfde ]=_aaaff ;
};}else if _faea ==2{_dd .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 _ ,_ffde :=_fage ._ggb .ObjectMap [_cfde ];!_ffde {_cgag :=XrefObject {ObjectNumber :_cfde ,XType :XrefTypeObjectStream ,OsObjNumber :int (_efbb ),OsObjIndex :int (_bcafg )};
_fage ._ggb .ObjectMap [_cfde ]=_cgag ;_dd .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_cgag );};}else {_dd .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 _fage ._egdd ==nil {_fbde :=XrefTypeObjectStream ;_fage ._egdd =&_fbde ;};return _dbdfb ,nil ;};

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_fcdg *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_dbf :=_gg .NewReader (encoded );_ecfe ,_aaab :=_ef .Decode (_dbf );if _aaab !=nil {_dd .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_aaab );
return nil ,_aaab ;};_eggd :=_ecfe .Bounds ();var _dcfd =make ([]byte ,_eggd .Dx ()*_eggd .Dy ()*_fcdg .ColorComponents *_fcdg .BitsPerComponent /8);_beb :=0;for _abcg :=_eggd .Min .Y ;_abcg < _eggd .Max .Y ;_abcg ++{for _dada :=_eggd .Min .X ;_dada < _eggd .Max .X ;
_dada ++{_fecb :=_ecfe .At (_dada ,_abcg );if _fcdg .ColorComponents ==1{if _fcdg .BitsPerComponent ==16{_feea ,_dbae :=_fecb .(_ac .Gray16 );if !_dbae {return nil ,_bg .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_dcfd [_beb ]=byte ((_feea .Y >>8)&0xff);_beb ++;_dcfd [_beb ]=byte (_feea .Y &0xff);_beb ++;}else {_fgc ,_ede :=_fecb .(_ac .Gray );if !_ede {return nil ,_bg .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_dcfd [_beb ]=_fgc .Y &0xff;_beb ++;};}else if _fcdg .ColorComponents ==3{if _fcdg .BitsPerComponent ==16{_eee ,_fceg :=_fecb .(_ac .RGBA64 );if !_fceg {return nil ,_bg .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_dcfd [_beb ]=byte ((_eee .R >>8)&0xff);_beb ++;_dcfd [_beb ]=byte (_eee .R &0xff);_beb ++;_dcfd [_beb ]=byte ((_eee .G >>8)&0xff);_beb ++;_dcfd [_beb ]=byte (_eee .G &0xff);_beb ++;_dcfd [_beb ]=byte ((_eee .B >>8)&0xff);_beb ++;_dcfd [_beb ]=byte (_eee .B &0xff);
_beb ++;}else {_dfb ,_gdbb :=_fecb .(_ac .RGBA );if _gdbb {_dcfd [_beb ]=_dfb .R &0xff;_beb ++;_dcfd [_beb ]=_dfb .G &0xff;_beb ++;_dcfd [_beb ]=_dfb .B &0xff;_beb ++;}else {_baba ,_bbc :=_fecb .(_ac .YCbCr );if !_bbc {return nil ,_bg .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_adaa ,_gcdc ,_ebbb ,_ :=_baba .RGBA ();_dcfd [_beb ]=byte (_adaa >>8);_beb ++;_dcfd [_beb ]=byte (_gcdc >>8);_beb ++;_dcfd [_beb ]=byte (_ebbb >>8);_beb ++;};};}else if _fcdg .ColorComponents ==4{_debe ,_fddee :=_fecb .(_ac .CMYK );if !_fddee {return nil ,_bg .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_dcfd [_beb ]=255-_debe .C &0xff;_beb ++;_dcfd [_beb ]=255-_debe .M &0xff;_beb ++;_dcfd [_beb ]=255-_debe .Y &0xff;_beb ++;_dcfd [_beb ]=255-_debe .K &0xff;_beb ++;};};};return _dcfd ,nil ;};

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

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

// Set sets the PdfObject at index i of the streams. An error is returned if the index is outside bounds.
func (_cadb *PdfObjectStreams )Set (i int ,obj PdfObject )error {if i < 0||i >=len (_cadb ._fbff ){return _bg .New ("\u004f\u0075\u0074\u0073\u0069\u0064\u0065\u0020\u0062o\u0075\u006e\u0064\u0073");};_cadb ._fbff [i ]=obj ;return nil ;};func (_ggba *PdfParser )parseHexString ()(*PdfObjectString ,error ){_ggba ._ddbd .ReadByte ();
var _feb _gg .Buffer ;for {_cfbc ,_gbddd :=_ggba ._ddbd .Peek (1);if _gbddd !=nil {return MakeString (""),_gbddd ;};if _cfbc [0]=='>'{_ggba ._ddbd .ReadByte ();break ;};_fbcc ,_ :=_ggba ._ddbd .ReadByte ();if !IsWhiteSpace (_fbcc ){_feb .WriteByte (_fbcc );
};};if _feb .Len ()%2==1{_feb .WriteRune ('0');};_ggfa ,_ :=_dg .DecodeString (_feb .String ());return MakeHexString (string (_ggfa )),nil ;};

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

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

// 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 )(_ccfdb bool ,_fdggc bool ){_ecdf ,_fdggc :=TraceToDirectObject (obj ).(*PdfObjectBool );if _fdggc {return bool (*_ecdf ),true ;};return false ,false ;};

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

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

// 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 _fece (o ,0,traversed );};func (_fadc *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){const _cbag =20;
_bbg ,_ :=_fadc ._ddbd .Peek (_cbag );for _ebdff :=0;_ebdff < 2;_ebdff ++{if _fadc ._dggfe ==0{_fadc ._dggfe =_fadc .GetFileOffset ();};if _bbee .Match (_bbg ){_dd .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");
_dd .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_bbg ));return _fadc .parseXrefStream (nil );};if _gbdg .Match (_bbg ){_dd .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 _fadc .parseXrefTable ();};_dgcg :=_fadc .GetFileOffset ();if _fadc ._dggfe ==0{_fadc ._dggfe =_dgcg ;};_fadc .SetFileOffset (_dgcg -_cbag );defer _fadc .SetFileOffset (_dgcg );_bbbe ,_ :=_fadc ._ddbd .Peek (_cbag );_bbg =append (_bbbe ,_bbg ...);
};_dd .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 _cefc :=_fadc .repairSeekXrefMarker ();_cefc !=nil {_dd .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_cefc );return nil ,_cefc ;};return _fadc .parseXrefTable ();};

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

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

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

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

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

// 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 (_cec *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _efgae _gc .Gray ;switch len (data ){case _cec .Rows *_cec .Columns :_gbaf ,_dgde :=_gc .NewImage (_cec .Columns ,_cec .Rows ,8,1,data ,nil ,nil );if _dgde !=nil {return nil ,_dgde ;
};_efgae =_gbaf .(_gc .Gray );case (_cec .Columns *_cec .Rows )+7>>3:_deda ,_dbeb :=_gc .NewImage (_cec .Columns ,_cec .Rows ,1,1,data ,nil ,nil );if _dbeb !=nil {return nil ,_dbeb ;};_cddb :=_deda .(*_gc .Monochrome );if _dbeb =_cddb .AddPadding ();_dbeb !=nil {return nil ,_dbeb ;
};_efgae =_cddb ;default:if len (data )< _gc .BytesPerLine (_cec .Columns ,1,1)*_cec .Rows {return nil ,_bg .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_dadaf ,_cacf :=_gc .NewImage (_cec .Columns ,_cec .Rows ,1,1,data ,nil ,nil );if _cacf !=nil {return nil ,_cacf ;};_bcc :=_dadaf .(*_gc .Monochrome );_efgae =_bcc ;};_daag :=make ([][]byte ,_cec .Rows );for _dace :=0;_dace < _cec .Rows ;_dace ++{_dgaa :=make ([]byte ,_cec .Columns );
for _fgac :=0;_fgac < _cec .Columns ;_fgac ++{_fdeaa :=_efgae .GrayAt (_fgac ,_dace );_dgaa [_fgac ]=_fdeaa .Y >>7;};_daag [_dace ]=_dgaa ;};_acbb :=&_eff .Encoder {K :_cec .K ,Columns :_cec .Columns ,EndOfLine :_cec .EndOfLine ,EndOfBlock :_cec .EndOfBlock ,BlackIs1 :_cec .BlackIs1 ,DamagedRowsBeforeError :_cec .DamagedRowsBeforeError ,Rows :_cec .Rows ,EncodedByteAlign :_cec .EncodedByteAlign };
return _acbb .Encode (_daag ),nil ;};var _bgca =_a .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");var _feeb =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};

// 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 (_ggde *PdfObjectString )Str ()string {return _ggde ._efbg };var _bbee =_a .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");

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

// Append appends PdfObject(s) to the array.
func (_dgdd *PdfObjectArray )Append (objects ...PdfObject ){if _dgdd ==nil {_dd .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 ;};_dgdd ._gfff =append (_dgdd ._gfff ,objects ...);};

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

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

// UpdateParams updates the parameter values of the encoder.
func (_fgga *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _beca ,_cgcg :=GetNumberAsInt64 (params .Get ("\u004b"));_cgcg ==nil {_fgga .K =int (_beca );};if _eded ,_fefe :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_fefe ==nil {_fgga .Columns =int (_eded );}else if _eded ,_fefe =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_fefe ==nil {_fgga .Columns =int (_eded );};if _fgegb ,_efag :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_efag ==nil {_fgga .BlackIs1 =_fgegb > 0;}else {if _efgf ,_gffe :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_gffe {_fgga .BlackIs1 =_efgf ;}else {if _afed ,_cag :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_cag {_fedb ,_eacb :=_afed .ToIntegerArray ();if _eacb ==nil {_fgga .BlackIs1 =_fedb [0]==1&&_fedb [1]==0;};};};};if _aefa ,_cfdge :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_cfdge ==nil {_fgga .EncodedByteAlign =_aefa > 0;}else {if _ggga ,_acbf :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_acbf {_fgga .EncodedByteAlign =_ggga ;};};if _cabdg ,_gdgc :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_gdgc ==nil {_fgga .EndOfLine =_cabdg > 0;}else {if _eaaf ,_gfgc :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_gfgc {_fgga .EndOfLine =_eaaf ;};};if _baadc ,_adfb :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));
_adfb ==nil {_fgga .Rows =int (_baadc );}else if _baadc ,_adfb =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_adfb ==nil {_fgga .Rows =int (_baadc );};if _aabe ,_beceb :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_beceb ==nil {_fgga .EndOfBlock =_aabe > 0;}else {if _cgd ,_cabc :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_cabc {_fgga .EndOfBlock =_cgd ;};};if _babg ,_aee :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_aee !=nil {_fgga .DamagedRowsBeforeError =int (_babg );};};

// UpdateParams updates the parameter values of the encoder.
func (_ggfga *DCTEncoder )UpdateParams (params *PdfObjectDictionary ){_dae ,_abcd :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));if _abcd ==nil {_ggfga .ColorComponents =int (_dae );
};_dedc ,_abcd :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));if _abcd ==nil {_ggfga .BitsPerComponent =int (_dedc );};_bfae ,_abcd :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));
if _abcd ==nil {_ggfga .Width =int (_bfae );};_cebe ,_abcd :=GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));if _abcd ==nil {_ggfga .Height =int (_cebe );};_aeba ,_abcd :=GetNumberAsInt64 (params .Get ("\u0051u\u0061\u006c\u0069\u0074\u0079"));
if _abcd ==nil {_ggfga .Quality =int (_aeba );};};func (_eae *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_adg :=_eae ._ddbd .Discard (4);return PdfObjectNull {},_adg ;};func (_deb *PdfCrypt )isDecrypted (_ggfg PdfObject )bool {_ ,_egb :=_deb ._aaeec [_ggfg ];
if _egb {_dd .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");return true ;};switch _dbed :=_ggfg .(type ){case *PdfObjectStream :if _deb ._eaab .R !=5{if _cbee ,_eba :=_dbed .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_eba &&*_cbee =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_egb =_deb ._ebc [int (_dbed .ObjectNumber )];_egb {return true ;};switch _efge :=_dbed .PdfObject .(type ){case *PdfObjectDictionary :_bbdf :=true ;for _ ,_cgac :=range _feeb {if _efge .Get (_cgac )==nil {_bbdf =false ;
break ;};};if _bbdf {return true ;};};};_dd .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");return false ;};func (_fcdc *PdfParser )inspect ()(map[string ]int ,error ){_dd .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");
_dd .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_bdgb :=map[string ]int {};_gfae :=0;_fcce :=0;var _eebe []int ;for _begf :=range _fcdc ._ggb .ObjectMap {_eebe =append (_eebe ,_begf );};_bge .Ints (_eebe );_bdfb :=0;for _ ,_gefdb :=range _eebe {_edac :=_fcdc ._ggb .ObjectMap [_gefdb ];
if _edac .ObjectNumber ==0{continue ;};_gfae ++;_dd .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_dd .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",_edac .ObjectNumber );
_cgaeb ,_fdeee :=_fcdc .LookupByNumber (_edac .ObjectNumber );if _fdeee !=nil {_dd .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",_edac .ObjectNumber ,_fdeee );
_fcce ++;continue ;};_dd .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_cgaeb );_bbag ,_gdbc :=_cgaeb .(*PdfIndirectObject );if _gdbc {_dd .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_edac .ObjectNumber ,_bbag );
_gfbf ,_bddc :=_bbag .PdfObject .(*PdfObjectDictionary );if _bddc {if _cccbb ,_bffcb :=_gfbf .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_bffcb {_eeaef :=string (*_cccbb );_dd .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_eeaef );
_ ,_fdca :=_bdgb [_eeaef ];if _fdca {_bdgb [_eeaef ]++;}else {_bdgb [_eeaef ]=1;};}else if _cbfcg ,_dabd :=_gfbf .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_dabd {_gabe :=string (*_cbfcg );_dd .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_gabe );
_ ,_fbbfe :=_bdgb [_gabe ];if _fbbfe {_bdgb [_gabe ]++;}else {_bdgb [_gabe ]=1;};};if _babge ,_ddcf :=_gfbf .Get ("\u0053").(*PdfObjectName );_ddcf &&*_babge =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_gege :=_bdgb ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _gege {_bdgb ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_bdgb ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _ccdg ,_eggab :=_cgaeb .(*PdfObjectStream );_eggab {if _gacg ,_beae :=_ccdg .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_beae {_dd .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",*_gacg );_efecc :=string (*_gacg );_bdgb [_efecc ]++;};}else {_fgbgf ,_caff :=_cgaeb .(*PdfObjectDictionary );
if _caff {_bdba ,_gbdbg :=_fgbgf .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _gbdbg {_bbdd :=string (*_bdba );_dd .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_bbdd );_bdgb [_bbdd ]++;};};_dd .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_edac .ObjectNumber ,_cgaeb );
};_bdfb ++;};_dd .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");_dd .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");
_dd .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_gfae );_dd .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_fcce );for _cgdge ,_gdbe :=range _bdgb {_dd .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_cgdge ,_gdbe );
};_dd .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_fcdc ._ggb .ObjectMap )< 1{_dd .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 ,_ab .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");};_gdee ,_ggcb :=_bdgb ["\u0046\u006f\u006e\u0074"];
if !_ggcb ||_gdee < 2{_dd .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 {_dd .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 _bdgb ,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 )(_agac *PdfObjectName ,_aagde bool ){_agac ,_aagde =TraceToDirectObject (obj ).(*PdfObjectName );return _agac ,_aagde ;};

// WriteString outputs the object as it is to be written to file.
func (_eebd *PdfObjectString )WriteString ()string {var _eeeg _gg .Buffer ;if _eebd ._dcff {_bbeec :=_dg .EncodeToString (_eebd .Bytes ());_eeeg .WriteString ("\u003c");_eeeg .WriteString (_bbeec );_eeeg .WriteString ("\u003e");return _eeeg .String ();
};_bgeff :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_eeeg .WriteString ("\u0028");for _gcgd :=0;_gcgd < len (_eebd ._efbg );
_gcgd ++{_bgcag :=_eebd ._efbg [_gcgd ];if _aebg ,_badcf :=_bgeff [_bgcag ];_badcf {_eeeg .WriteString (_aebg );}else {_eeeg .WriteByte (_bgcag );};};_eeeg .WriteString ("\u0029");return _eeeg .String ();};

// 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 )(_eaeb *PdfObjectStreams ,_fbfc bool ){_eaeb ,_fbfc =obj .(*PdfObjectStreams );return _eaeb ,_fbfc ;};func (_geffa *PdfParser )parsePdfVersion ()(int ,int ,error ){var _beed int64 =20;_dbda :=make ([]byte ,_beed );
_geffa ._cgfb .Seek (0,_f .SeekStart );_geffa ._cgfb .Read (_dbda );var _dbb error ;var _bedg ,_dgef int ;if _abgee :=_cccb .FindStringSubmatch (string (_dbda ));len (_abgee )< 3{if _bedg ,_dgef ,_dbb =_geffa .seekPdfVersionTopDown ();_dbb !=nil {_dd .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,_dbb ;};_geffa ._cgfb ,_dbb =_dcgf (_geffa ._cgfb ,_geffa .GetFileOffset ()-8);if _dbb !=nil {return 0,0,_dbb ;};}else {if _bedg ,_dbb =_bc .Atoi (_abgee [1]);_dbb !=nil {return 0,0,_dbb ;};if _dgef ,_dbb =_bc .Atoi (_abgee [2]);_dbb !=nil {return 0,0,_dbb ;
};_geffa .SetFileOffset (0);};_geffa ._ddbd =_fd .NewReader (_geffa ._cgfb );_dd .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_bedg ,_dgef );return _bedg ,_dgef ,nil ;};func _ddae (_dfeed string )(PdfObjectReference ,error ){_dcde :=PdfObjectReference {};
_dbdf :=_bcbf .FindStringSubmatch (_dfeed );if len (_dbdf )< 3{_dd .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");return _dcde ,_bg .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};_gcbd ,_ :=_bc .Atoi (_dbdf [1]);_gdea ,_ :=_bc .Atoi (_dbdf [2]);_dcde .ObjectNumber =int64 (_gcbd );_dcde .GenerationNumber =int64 (_gdea );return _dcde ,nil ;};

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_cgea *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_edbe :=encoded ;var _aaea error ;for _ ,_gfa :=range _cgea ._bdbb {_dd .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",_gfa ,_gfa );
_edbe ,_aaea =_gfa .DecodeBytes (_edbe );if _aaea !=nil {return nil ,_aaea ;};};return _edbe ,nil ;};

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

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_fcbd :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _fcbd ==nil {return NewRawEncoder (),nil ;};if _ ,_gcefb :=_fcbd .(*PdfObjectNull );
_gcefb {return NewRawEncoder (),nil ;};_ccfb ,_abged :=_fcbd .(*PdfObjectName );if !_abged {_geg ,_cdeb :=_fcbd .(*PdfObjectArray );if !_cdeb {return nil ,_ab .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 _geg .Len ()==0{return NewRawEncoder (),nil ;};if _geg .Len ()!=1{_dcggd ,_fddec :=_cdc (streamObj );if _fddec !=nil {_dd .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",_fddec );
return nil ,_fddec ;};_dd .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_dcggd );return _dcggd ,nil ;};_fcbd =_geg .Get (0);_ccfb ,_cdeb =_fcbd .(*PdfObjectName );if !_cdeb {return nil ,_ab .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 _bdgdd ,_facf :=_bdca .Load (_ccfb .String ());_facf {return _bdgdd .(StreamEncoder ),nil ;};switch *_ccfb {case StreamEncodingFilterNameFlate :return _efef (streamObj ,nil );case StreamEncodingFilterNameLZW :return _fcee (streamObj ,nil );case StreamEncodingFilterNameDCT :return _bgbc (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _ccce (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _bae (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _eaca (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_dd .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 ,_ab .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",*_ccfb );};type encryptDict struct{Filter string ;
V int ;SubFilter string ;Length int ;StmF string ;StrF string ;EFF string ;CF map[string ]_bad .FilterDict ;};

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

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_afaa :=_gg .NewReader ([]byte (txt ));_daebe :=&PdfParser {ObjCache :objectCache {},_cgfb :_afaa ,_ddbd :_fd .NewReader (_afaa ),_aefc :int64 (len (txt )),_bceg :map[int64 ]bool {}};_daebe ._ggb .ObjectMap =make (map[int ]XrefObject );
return _daebe ;};

// 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 ;_ecgc *_df .Document ;

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

// 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 (_cfaf *PdfObjectArray )ToIntegerArray ()([]int ,error ){var _faef []int ;for _ ,_ebad :=range _cfaf .Elements (){if _acggc ,_dedcc :=_ebad .(*PdfObjectInteger );_dedcc {_faef =append (_faef ,int (*_acggc ));}else {return nil ,ErrTypeError ;};};return _faef ,nil ;
};

// GetObjectNums returns a sorted list of object numbers of the PDF objects in the file.
func (_gefb *PdfParser )GetObjectNums ()[]int {var _aacfe []int ;for _ ,_abdce :=range _gefb ._ggb .ObjectMap {_aacfe =append (_aacfe ,_abdce .ObjectNumber );};_bge .Ints (_aacfe );return _aacfe ;};

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

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

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

// 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 (_ebbf *PdfObjectDictionary )GetString (key PdfObjectName )(string ,bool ){_gbef ,_ddecc :=_ebbf ._befa [key ].(*PdfObjectString );if !_ddecc {return "",false ;};return _gbef .Str (),true ;};

// PdfObjectArray represents the primitive PDF array object.
type PdfObjectArray struct{_gfff []PdfObject };func (_abfg *PdfParser )resolveReference (_ecaf *PdfObjectReference )(PdfObject ,bool ,error ){_gebd ,_daaff :=_abfg .ObjCache [int (_ecaf .ObjectNumber )];if _daaff {return _gebd ,true ,nil ;};_beecf ,_abbe :=_abfg .LookupByReference (*_ecaf );
if _abbe !=nil {return nil ,false ,_abbe ;};_abfg .ObjCache [int (_ecaf .ObjectNumber )]=_beecf ;return _beecf ,false ,nil ;};

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

// 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 (_bgda *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _bgda .isEncrypted (obj ){return nil ;};switch _bgb :=obj .(type ){case *PdfIndirectObject :_bgda ._agd [_bgb ]=true ;_dd .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",_bgb .ObjectNumber ,_bgb .GenerationNumber );
_dda :=_bgb .ObjectNumber ;_dfaa :=_bgb .GenerationNumber ;_aaed :=_bgda .Encrypt (_bgb .PdfObject ,_dda ,_dfaa );if _aaed !=nil {return _aaed ;};return nil ;case *PdfObjectStream :_bgda ._agd [_bgb ]=true ;_fbba :=_bgb .PdfObjectDictionary ;if _gdg ,_abd :=_fbba .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_abd &&*_gdg =="\u0058\u0052\u0065\u0066"{return nil ;};_dfdd :=_bgb .ObjectNumber ;_gadaa :=_bgb .GenerationNumber ;_dd .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_dfdd ,_gadaa );
_gefd :=_aac ;if _bgda ._acd .V >=4{_gefd =_bgda ._bff ;_dd .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_bgda ._bff );if _bfef ,_fdcf :=_fbba .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_fdcf {if _fcf ,_bab :=GetName (_bfef .Get (0));_bab {if *_fcf =="\u0043\u0072\u0079p\u0074"{_gefd ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _fac ,_fddea :=_fbba .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_fddea {if _bcgg ,_dba :=_fac .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_dba {if _ ,_gbc :=_bgda ._ggf [string (*_bcgg )];_gbc {_dd .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_bcgg );
_gefd =string (*_bcgg );};};};};};};_dd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_gefd );if _gefd =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_afd :=_bgda .Encrypt (_bgb .PdfObjectDictionary ,_dfdd ,_gadaa );
if _afd !=nil {return _afd ;};_bdgd ,_afd :=_bgda .makeKey (_gefd ,uint32 (_dfdd ),uint32 (_gadaa ),_bgda ._fea );if _afd !=nil {return _afd ;};_bgb .Stream ,_afd =_bgda .encryptBytes (_bgb .Stream ,_gefd ,_bdgd );if _afd !=nil {return _afd ;};_fbba .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_bgb .Stream ))));
return nil ;case *PdfObjectString :_dd .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_ggef :=_aac ;if _bgda ._acd .V >=4{_dd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_bgda ._def );
if _bgda ._def =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_ggef =_bgda ._def ;};_aebb ,_bfa :=_bgda .makeKey (_ggef ,uint32 (parentObjNum ),uint32 (parentGenNum ),_bgda ._fea );if _bfa !=nil {return _bfa ;};_cbfed :=_bgb .Str ();
_ccddb :=make ([]byte ,len (_cbfed ));for _faed :=0;_faed < len (_cbfed );_faed ++{_ccddb [_faed ]=_cbfed [_faed ];};_dd .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_ccddb ,_ccddb );
_ccddb ,_bfa =_bgda .encryptBytes (_ccddb ,_ggef ,_aebb );if _bfa !=nil {return _bfa ;};_bgb ._efbg =string (_ccddb );return nil ;case *PdfObjectArray :for _ ,_afbb :=range _bgb .Elements (){_edf :=_bgda .Encrypt (_afbb ,parentObjNum ,parentGenNum );if _edf !=nil {return _edf ;
};};return nil ;case *PdfObjectDictionary :_defg :=false ;if _bbed :=_bgb .Get ("\u0054\u0079\u0070\u0065");_bbed !=nil {_fddc ,_gbbg :=_bbed .(*PdfObjectName );if _gbbg &&*_fddc =="\u0053\u0069\u0067"{_defg =true ;};};for _ ,_cef :=range _bgb .Keys (){_gcgb :=_bgb .Get (_cef );
if _defg &&string (_cef )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_cef )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_cef )!="\u0050\u0072\u0065\u0076"&&string (_cef )!="\u004c\u0061\u0073\u0074"{_ega :=_bgda .Encrypt (_gcgb ,parentObjNum ,parentGenNum );
if _ega !=nil {return _ega ;};};};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 )(_ccdf *PdfObjectDictionary ,_aabgd bool ){_ccdf ,_aabgd =TraceToDirectObject (obj ).(*PdfObjectDictionary );return _ccdf ,_aabgd ;};

// 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 ;};

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

// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_ggad *PdfCrypt )GetAccessPermissions ()_egf .Permissions {return _ggad ._eaab .P };

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


// Len returns the number of elements in the array.
func (_badgg *PdfObjectArray )Len ()int {if _badgg ==nil {return 0;};return len (_badgg ._gfff );};func (_gbeg *PdfParser )parseBool ()(PdfObjectBool ,error ){_edba ,_aggd :=_gbeg ._ddbd .Peek (4);if _aggd !=nil {return PdfObjectBool (false ),_aggd ;};
if (len (_edba )>=4)&&(string (_edba [:4])=="\u0074\u0072\u0075\u0065"){_gbeg ._ddbd .Discard (4);return PdfObjectBool (true ),nil ;};_edba ,_aggd =_gbeg ._ddbd .Peek (5);if _aggd !=nil {return PdfObjectBool (false ),_aggd ;};if (len (_edba )>=5)&&(string (_edba [:5])=="\u0066\u0061\u006cs\u0065"){_gbeg ._ddbd .Discard (5);
return PdfObjectBool (false ),nil ;};return PdfObjectBool (false ),_bg .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");};

// 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 )(_ddfe *PdfObjectStream ,_bcabg bool ){obj =ResolveReference (obj );_ddfe ,_bcabg =obj .(*PdfObjectStream );return _ddfe ,_bcabg ;};func _bdcd (_gebe ,_gbdaf ,_fagfa int )error {if _gbdaf < 0||_gbdaf > _gebe {return _bg .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 _fagfa < _gbdaf {return _bg .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0073\u006c\u0069\u0063e\u0020i\u006ed\u0065\u0078\u0020\u0062\u0020\u003c\u0020a");};if _fagfa > _gebe {return _bg .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 ;};

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

// NewFlateEncoder makes a new flate encoder with default parameters, predictor 1 and bits per component 8.
func NewFlateEncoder ()*FlateEncoder {_fdb :=&FlateEncoder {};_fdb .Predictor =1;_fdb .BitsPerComponent =8;_fdb .Colors =1;_fdb .Columns =1;return _fdb ;};func (_cafe *FlateEncoder )postDecodePredict (_bea []byte )([]byte ,error ){if _cafe .Predictor > 1{if _cafe .Predictor ==2{_dd .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_dd .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_cafe .Colors );_caag :=_cafe .Columns *_cafe .Colors ;if _caag < 1{return []byte {},nil ;};_ecd :=len (_bea )/_caag ;if len (_bea )%_caag !=0{_dd .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 ,_ab .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 (_bea ),_caag );};if _caag %_cafe .Colors !=0{return nil ,_ab .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",_caag ,_cafe .Colors );
};if _caag > len (_bea ){_dd .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",_caag ,len (_bea ));
return nil ,_bg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_dd .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_bea ),_bea );
_becd :=_gg .NewBuffer (nil );for _cebc :=0;_cebc < _ecd ;_cebc ++{_fbaa :=_bea [_caag *_cebc :_caag *(_cebc +1)];for _faaa :=_cafe .Colors ;_faaa < _caag ;_faaa ++{_fbaa [_faaa ]+=_fbaa [_faaa -_cafe .Colors ];};_becd .Write (_fbaa );};_bgaf :=_becd .Bytes ();
_dd .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_bgaf ),_bgaf );return _bgaf ,nil ;}else if _cafe .Predictor >=10&&_cafe .Predictor <=15{_dd .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_gcge :=_cafe .Columns *_cafe .Colors +1;_ggebd :=len (_bea )/_gcge ;if len (_bea )%_gcge !=0{return nil ,_ab .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 (_bea ),_gcge );
};if _gcge > len (_bea ){_dd .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",_gcge ,len (_bea ));
return nil ,_bg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_gcae :=_gg .NewBuffer (nil );_dd .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_cafe .Columns );
_dd .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_bea ),_gcge ,_ggebd );_bcge :=make ([]byte ,_gcge );for _feca :=0;_feca < _gcge ;_feca ++{_bcge [_feca ]=0;
};_efga :=_cafe .Colors ;for _ddgg :=0;_ddgg < _ggebd ;_ddgg ++{_gdfd :=_bea [_gcge *_ddgg :_gcge *(_ddgg +1)];_egdb :=_gdfd [0];switch _egdb {case _addf :case _cdd :for _bcef :=1+_efga ;_bcef < _gcge ;_bcef ++{_gdfd [_bcef ]+=_gdfd [_bcef -_efga ];};case _ecf :for _bceb :=1;
_bceb < _gcge ;_bceb ++{_gdfd [_bceb ]+=_bcge [_bceb ];};case _gcgf :for _ccde :=1;_ccde < _efga +1;_ccde ++{_gdfd [_ccde ]+=_bcge [_ccde ]/2;};for _caec :=_efga +1;_caec < _gcge ;_caec ++{_gdfd [_caec ]+=byte ((int (_gdfd [_caec -_efga ])+int (_bcge [_caec ]))/2);
};case _ggefb :for _daf :=1;_daf < _gcge ;_daf ++{var _daab ,_bgdg ,_ecagb byte ;_bgdg =_bcge [_daf ];if _daf >=_efga +1{_daab =_gdfd [_daf -_efga ];_ecagb =_bcge [_daf -_efga ];};_gdfd [_daf ]+=_ebeb (_daab ,_bgdg ,_ecagb );};default:_dd .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",_egdb ,_ddgg );
return nil ,_ab .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_egdb );};copy (_bcge ,_gdfd );_gcae .Write (_gdfd [1:]);};_ceag :=_gcae .Bytes ();return _ceag ,nil ;
}else {_dd .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",_cafe .Predictor );return nil ,_ab .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",_cafe .Predictor );
};};return _bea ,nil ;};func (_cfbg *JBIG2Image )toBitmap ()(_agf *_fdf .Bitmap ,_dcgb error ){const _gaaa ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";if _cfbg .Data ==nil {return nil ,_eg .Error (_gaaa ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");
};if _cfbg .Width ==0||_cfbg .Height ==0{return nil ,_eg .Error (_gaaa ,"\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 _cfbg .HasPadding {_agf ,_dcgb =_fdf .NewWithData (_cfbg .Width ,_cfbg .Height ,_cfbg .Data );}else {_agf ,_dcgb =_fdf .NewWithUnpaddedData (_cfbg .Width ,_cfbg .Height ,_cfbg .Data );};if _dcgb !=nil {return nil ,_eg .Wrap (_dcgb ,_gaaa ,"");};return _agf ,nil ;
};const (XrefTypeTableEntry xrefType =iota ;XrefTypeObjectStream xrefType =iota ;);

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

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

// GetAsFloat64Slice returns the array as []float64 slice.
// Returns an error if not entirely numeric (only PdfObjectIntegers, PdfObjectFloats).
func (_degc *PdfObjectArray )GetAsFloat64Slice ()([]float64 ,error ){var _cfcc []float64 ;for _ ,_gecd :=range _degc .Elements (){_gddef ,_eadga :=GetNumberAsFloat (TraceToDirectObject (_gecd ));if _eadga !=nil {return nil ,_ab .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");
};_cfcc =append (_cfcc ,_gddef );};return _cfcc ,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 _cecd (obj1 ,obj2 ,0)};

// 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 (_edc *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _edc .isDecrypted (obj ){return nil ;};switch _cda :=obj .(type ){case *PdfIndirectObject :_edc ._aaeec [_cda ]=true ;_dd .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",_cda .ObjectNumber ,_cda .GenerationNumber );
_add :=_cda .ObjectNumber ;_gdf :=_cda .GenerationNumber ;_dbge :=_edc .Decrypt (_cda .PdfObject ,_add ,_gdf );if _dbge !=nil {return _dbge ;};return nil ;case *PdfObjectStream :_edc ._aaeec [_cda ]=true ;_cae :=_cda .PdfObjectDictionary ;if _edc ._eaab .R !=5{if _aacd ,_aegg :=_cae .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_aegg &&*_aacd =="\u0058\u0052\u0065\u0066"{return nil ;};};_ccdd :=_cda .ObjectNumber ;_gbbe :=_cda .GenerationNumber ;_dd .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_ccdd ,_gbbe );
_edd :=_aac ;if _edc ._acd .V >=4{_edd =_edc ._bff ;_dd .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_edc ._bff );if _bece ,_cgab :=_cae .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_cgab {if _eea ,_cadd :=GetName (_bece .Get (0));_cadd {if *_eea =="\u0043\u0072\u0079p\u0074"{_edd ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _dgge ,_bbeg :=_cae .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_bbeg {if _dfdg ,_gcb :=_dgge .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_gcb {if _ ,_bafe :=_edc ._ggf [string (*_dfdg )];_bafe {_dd .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_dfdg );
_edd =string (*_dfdg );};};};};};};_dd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_edd );if _edd =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_cce :=_edc .Decrypt (_cae ,_ccdd ,_gbbe );
if _cce !=nil {return _cce ;};_aag ,_cce :=_edc .makeKey (_edd ,uint32 (_ccdd ),uint32 (_gbbe ),_edc ._fea );if _cce !=nil {return _cce ;};_cda .Stream ,_cce =_edc .decryptBytes (_cda .Stream ,_edd ,_aag );if _cce !=nil {return _cce ;};_cae .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_cda .Stream ))));
return nil ;case *PdfObjectString :_dd .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_geff :=_aac ;if _edc ._acd .V >=4{_dd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_edc ._def );
if _edc ._def =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_geff =_edc ._def ;};_cbg ,_ggg :=_edc .makeKey (_geff ,uint32 (parentObjNum ),uint32 (parentGenNum ),_edc ._fea );if _ggg !=nil {return _ggg ;};_dbgc :=_cda .Str ();_affg :=make ([]byte ,len (_dbgc ));
for _dcg :=0;_dcg < len (_dbgc );_dcg ++{_affg [_dcg ]=_dbgc [_dcg ];};_dd .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_affg ,_affg );_affg ,_ggg =_edc .decryptBytes (_affg ,_geff ,_cbg );
if _ggg !=nil {return _ggg ;};_cda ._efbg =string (_affg );return nil ;case *PdfObjectArray :for _ ,_dgec :=range _cda .Elements (){_cfd :=_edc .Decrypt (_dgec ,parentObjNum ,parentGenNum );if _cfd !=nil {return _cfd ;};};return nil ;case *PdfObjectDictionary :_aba :=false ;
if _adb :=_cda .Get ("\u0054\u0079\u0070\u0065");_adb !=nil {_gcad ,_caeb :=_adb .(*PdfObjectName );if _caeb &&*_gcad =="\u0053\u0069\u0067"{_aba =true ;};};for _ ,_ebb :=range _cda .Keys (){_caf :=_cda .Get (_ebb );if _aba &&string (_ebb )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;
};if string (_ebb )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_ebb )!="\u0050\u0072\u0065\u0076"&&string (_ebb )!="\u004c\u0061\u0073\u0074"{_fcdd :=_edc .Decrypt (_caf ,parentObjNum ,parentGenNum );if _fcdd !=nil {return _fcdd ;};};};return nil ;
};return nil ;};

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_gfdg *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_cafed ,_eccd :=_gfdg ._befa [key ];if !_eccd {return nil ;};return _cafed ;};func _cea (_gad XrefTable ){_dd .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");_dd .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");
_baf :=0;for _ ,_dga :=range _gad .ObjectMap {_dd .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",_baf +1,_dga .ObjectNumber ,_dga .Generation ,_dga .Offset );
_baf ++;};};

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

// ASCII85Encoder implements ASCII85 encoder/decoder.
type ASCII85Encoder struct{};func _cecd (_bcga ,_cdcd PdfObject ,_dcef int )bool {if _dcef > _bead {_dd .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",_bead );
return false ;};if _bcga ==nil &&_cdcd ==nil {return true ;}else if _bcga ==nil ||_cdcd ==nil {return false ;};if _g .TypeOf (_bcga )!=_g .TypeOf (_cdcd ){return false ;};switch _fbaf :=_bcga .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_fbaf ==*(_cdcd .(*PdfObjectName ));case *PdfObjectString :return *_fbaf ==*(_cdcd .(*PdfObjectString ));case *PdfObjectInteger :return *_fbaf ==*(_cdcd .(*PdfObjectInteger ));case *PdfObjectBool :return *_fbaf ==*(_cdcd .(*PdfObjectBool ));
case *PdfObjectFloat :return *_fbaf ==*(_cdcd .(*PdfObjectFloat ));case *PdfIndirectObject :return _cecd (TraceToDirectObject (_bcga ),TraceToDirectObject (_cdcd ),_dcef +1);case *PdfObjectArray :_ebge :=_cdcd .(*PdfObjectArray );if len ((*_fbaf )._gfff )!=len ((*_ebge )._gfff ){return false ;
};for _aadc ,_bgfef :=range (*_fbaf )._gfff {if !_cecd (_bgfef ,(*_ebge )._gfff [_aadc ],_dcef +1){return false ;};};return true ;case *PdfObjectDictionary :_cfae :=_cdcd .(*PdfObjectDictionary );_cgbe ,_dced :=(*_fbaf )._befa ,(*_cfae )._befa ;if len (_cgbe )!=len (_dced ){return false ;
};for _ccfcd ,_adgc :=range _cgbe {_edebd ,_gfaec :=_dced [_ccfcd ];if !_gfaec ||!_cecd (_adgc ,_edebd ,_dcef +1){return false ;};};return true ;case *PdfObjectStream :_addfa :=_cdcd .(*PdfObjectStream );return _cecd ((*_fbaf ).PdfObjectDictionary ,(*_addfa ).PdfObjectDictionary ,_dcef +1);
default:_dd .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",_bcga );
};return false ;};

// NewASCIIHexEncoder makes a new ASCII hex encoder.
func NewASCIIHexEncoder ()*ASCIIHexEncoder {_aec :=&ASCIIHexEncoder {};return _aec };func (_gge *PdfCrypt )loadCryptFilters (_ffbd *PdfObjectDictionary )error {_gge ._ggf =cryptFilters {};_ffd :=_ffbd .Get ("\u0043\u0046");_ffd =TraceToDirectObject (_ffd );
if _aeb ,_ccg :=_ffd .(*PdfObjectReference );_ccg {_bbb ,_dbc :=_gge ._cab .LookupByReference (*_aeb );if _dbc !=nil {_dd .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 _dbc ;};_ffd =TraceToDirectObject (_bbb );};_dfa ,_fab :=_ffd .(*PdfObjectDictionary );if !_fab {_dd .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_ffd );return _bg .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");
};for _ ,_gaa :=range _dfa .Keys (){_dbcb :=_dfa .Get (_gaa );if _dcb ,_feec :=_dbcb .(*PdfObjectReference );_feec {_efad ,_ddg :=_gge ._cab .LookupByReference (*_dcb );if _ddg !=nil {_dd .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 _ddg ;};_dbcb =TraceToDirectObject (_efad );};_daad ,_dad :=_dbcb .(*PdfObjectDictionary );if !_dad {return _ab .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",_gaa ,_dbcb );
};if _gaa =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_dd .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 _bcff _bad .FilterDict ;if _efac :=_gdc (&_bcff ,_daad );_efac !=nil {return _efac ;};_bbe ,_cfg :=_bad .NewFilter (_bcff );if _cfg !=nil {return _cfg ;};_gge ._ggf [string (_gaa )]=_bbe ;};_gge ._ggf ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_bad .NewIdentity ();
_gge ._def ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _afg ,_dbgg :=_ffbd .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_dbgg {if _ ,_cdfc :=_gge ._ggf [string (*_afg )];!_cdfc {return _ab .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",*_afg );
};_gge ._def =string (*_afg );};_gge ._bff ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _bcg ,_gcf :=_ffbd .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_gcf {if _ ,_dcc :=_gge ._ggf [string (*_bcg )];!_dcc {return _ab .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",*_bcg );
};_gge ._bff =string (*_bcg );};return nil ;};func (_cdbd *PdfParser )parseName ()(PdfObjectName ,error ){var _dca _gg .Buffer ;_fffgb :=false ;for {_gebc ,_eabff :=_cdbd ._ddbd .Peek (1);if _eabff ==_f .EOF {break ;};if _eabff !=nil {return PdfObjectName (_dca .String ()),_eabff ;
};if !_fffgb {if _gebc [0]=='/'{_fffgb =true ;_cdbd ._ddbd .ReadByte ();}else if _gebc [0]=='%'{_cdbd .readComment ();_cdbd .skipSpaces ();}else {_dd .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",_gebc ,_gebc );
return PdfObjectName (_dca .String ()),_ab .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_gebc [0]);};}else {if IsWhiteSpace (_gebc [0]){break ;}else if (_gebc [0]=='/')||(_gebc [0]=='[')||(_gebc [0]=='(')||(_gebc [0]==']')||(_gebc [0]=='<')||(_gebc [0]=='>'){break ;
}else if _gebc [0]=='#'{_bfecc ,_degb :=_cdbd ._ddbd .Peek (3);if _degb !=nil {return PdfObjectName (_dca .String ()),_degb ;};_cedc ,_degb :=_dg .DecodeString (string (_bfecc [1:3]));if _degb !=nil {_dd .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");
_dca .WriteByte ('#');_cdbd ._ddbd .Discard (1);continue ;};_cdbd ._ddbd .Discard (3);_dca .Write (_cedc );}else {_gcde ,_ :=_cdbd ._ddbd .ReadByte ();_dca .WriteByte (_gcde );};};};return PdfObjectName (_dca .String ()),nil ;};func _dbdd ()string {return _dd .Version };


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

// NewLZWEncoder makes a new LZW encoder with default parameters.
func NewLZWEncoder ()*LZWEncoder {_badc :=&LZWEncoder {};_badc .Predictor =1;_badc .BitsPerComponent =8;_badc .Colors =1;_badc .Columns =1;_badc .EarlyChange =1;return _badc ;};var _agafc =_a .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");func (_cgabe *PdfParser )readComment ()(string ,error ){var _bbec _gg .Buffer ;
_ ,_cbeb :=_cgabe .skipSpaces ();if _cbeb !=nil {return _bbec .String (),_cbeb ;};_eabdc :=true ;for {_eegd ,_bgfb :=_cgabe ._ddbd .Peek (1);if _bgfb !=nil {_dd .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_bgfb .Error ());return _bbec .String (),_bgfb ;
};if _eabdc &&_eegd [0]!='%'{return _bbec .String (),_bg .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");};_eabdc =false ;if (_eegd [0]!='\r')&&(_eegd [0]!='\n'){_bgcdc ,_ :=_cgabe ._ddbd .ReadByte ();
_bbec .WriteByte (_bgcdc );}else {break ;};};return _bbec .String (),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 ;};

// UpdateParams updates the parameter values of the encoder.
func (_badg *JPXEncoder )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 (_eggc *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_abgc :=PdfIndirectObject {};_abgc ._bbce =_eggc ;_dd .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_fdfc ,_fbec :=_eggc ._ddbd .Peek (20);
if _fbec !=nil {if _fbec !=_f .EOF {_dd .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 &_abgc ,_fbec ;
};};_dd .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_fdfc ));_gbgd :=_bbee .FindStringSubmatchIndex (string (_fdfc ));if len (_gbgd )< 6{if _fbec ==_f .EOF {return nil ,_fbec ;
};_dd .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 (_fdfc ));
return &_abgc ,_bg .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");
};_eggc ._ddbd .Discard (_gbgd [0]);_dd .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_gbgd );_eabdd :=_gbgd [1]-_gbgd [0];_dfga :=make ([]byte ,_eabdd );_ ,_fbec =_eggc .ReadAtLeast (_dfga ,_eabdd );if _fbec !=nil {_dd .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",_fbec );
return nil ,_fbec ;};_dd .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_dfga );_bbgc :=_bbee .FindStringSubmatch (string (_dfga ));if len (_bbgc )< 3{_dd .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 (_dfga ));
return &_abgc ,_bg .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");
};_fgeee ,_ :=_bc .Atoi (_bbgc [1]);_fgab ,_ :=_bc .Atoi (_bbgc [2]);_abgc .ObjectNumber =int64 (_fgeee );_abgc .GenerationNumber =int64 (_fgab );for {_efed ,_fede :=_eggc ._ddbd .Peek (2);if _fede !=nil {return &_abgc ,_fede ;};_dd .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_efed ),string (_efed ));
if IsWhiteSpace (_efed [0]){_eggc .skipSpaces ();}else if _efed [0]=='%'{_eggc .skipComments ();}else if (_efed [0]=='<')&&(_efed [1]=='<'){_dd .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_abgc .PdfObject ,_fede =_eggc .ParseDict ();
_dd .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_fede );if _fede !=nil {return &_abgc ,_fede ;};_dd .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 (_efed [0]=='/')||(_efed [0]=='(')||(_efed [0]=='[')||(_efed [0]=='<'){_abgc .PdfObject ,_fede =_eggc .parseObject ();if _fede !=nil {return &_abgc ,_fede ;};_dd .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 _efed [0]==']'{_dd .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");
_eggc ._ddbd .Discard (1);}else {if _efed [0]=='e'{_egga ,_dcggc :=_eggc .readTextLine ();if _dcggc !=nil {return nil ,_dcggc ;};if len (_egga )>=6&&_egga [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _efed [0]=='s'{_efed ,_ =_eggc ._ddbd .Peek (10);
if string (_efed [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_bcae :=6;if len (_efed )> 6{if IsWhiteSpace (_efed [_bcae ])&&_efed [_bcae ]!='\r'&&_efed [_bcae ]!='\n'{_dd .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");
_bcae ++;};if _efed [_bcae ]=='\r'{_bcae ++;if _efed [_bcae ]=='\n'{_bcae ++;};}else if _efed [_bcae ]=='\n'{_bcae ++;};};_eggc ._ddbd .Discard (_bcae );_egadg ,_fbdc :=_abgc .PdfObject .(*PdfObjectDictionary );if !_fbdc {return nil ,_bg .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");
};_dd .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_egadg );_fgaaf ,_cddef :=_eggc .traceStreamLength (_egadg .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _cddef !=nil {_dd .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",_cddef );
return nil ,_cddef ;};_dd .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_fgaaf );_cebb ,_dcbd :=_fgaaf .(*PdfObjectInteger );if !_dcbd {return nil ,_bg .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");
};_fcgb :=*_cebb ;if _fcgb < 0{return nil ,_bg .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");};_deaf :=_eggc .GetFileOffset ();
_ggda :=_eggc .xrefNextObjectOffset (_deaf );if _deaf +int64 (_fcgb )> _ggda &&_ggda > _deaf {_dd .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_deaf +int64 (_fcgb ));_dd .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",_ggda );
_dcdb :=_ggda -_deaf -17;if _dcdb < 0{return nil ,_bg .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");
};_dd .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",_dcdb );_fcgb =PdfObjectInteger (_dcdb );
_egadg .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_dcdb ));};if int64 (_fcgb )> _eggc ._aefc {_dd .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 ,_bg .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");};_ggee :=make ([]byte ,_fcgb );
_ ,_cddef =_eggc .ReadAtLeast (_ggee ,int (_fcgb ));if _cddef !=nil {_dd .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_ggee ),_ggee );_dd .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_cddef );
return nil ,_cddef ;};_gccc :=PdfObjectStream {};_gccc .Stream =_ggee ;_gccc .PdfObjectDictionary =_abgc .PdfObject .(*PdfObjectDictionary );_gccc .ObjectNumber =_abgc .ObjectNumber ;_gccc .GenerationNumber =_abgc .GenerationNumber ;_gccc .PdfObjectReference ._bbce =_eggc ;
_eggc .skipSpaces ();_eggc ._ddbd .Discard (9);_eggc .skipSpaces ();return &_gccc ,nil ;};};_abgc .PdfObject ,_fede =_eggc .parseObject ();if _abgc .PdfObject ==nil {_dd .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");
_abgc .PdfObject =MakeNull ();};return &_abgc ,_fede ;};};if _abgc .PdfObject ==nil {_dd .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");
_abgc .PdfObject =MakeNull ();};_dd .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_abgc ,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 ;};

// MultiEncoder supports serial encoding.
type MultiEncoder struct{_bdbb []StreamEncoder };const (_addf =0;_cdd =1;_ecf =2;_gcgf =3;_ggefb =4;);

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

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_ddea Version ;_cgfb _f .ReadSeeker ;_ddbd *_fd .Reader ;_aefc int64 ;_ggb XrefTable ;_dggfe int64 ;_egdd *xrefType ;_accg objectStreams ;_ffgb *PdfObjectDictionary ;_cgfe *PdfCrypt ;_cbec bool ;ObjCache objectCache ;_bbde map[int ]bool ;
_bceg map[int64 ]bool ;};func (_cefg *PdfParser )xrefNextObjectOffset (_eaff int64 )int64 {_deba :=int64 (0);if len (_cefg ._ggb .ObjectMap )==0{return 0;};if len (_cefg ._ggb ._cg )==0{_gecac :=0;for _ ,_cgabb :=range _cefg ._ggb .ObjectMap {if _cgabb .Offset > 0{_gecac ++;
};};if _gecac ==0{return 0;};_cefg ._ggb ._cg =make ([]XrefObject ,_gecac );_ebeca :=0;for _ ,_ddcg :=range _cefg ._ggb .ObjectMap {if _ddcg .Offset > 0{_cefg ._ggb ._cg [_ebeca ]=_ddcg ;_ebeca ++;};};_bge .Slice (_cefg ._ggb ._cg ,func (_agfg ,_cacc int )bool {return _cefg ._ggb ._cg [_agfg ].Offset < _cefg ._ggb ._cg [_cacc ].Offset });
};_caabe :=_bge .Search (len (_cefg ._ggb ._cg ),func (_ceg int )bool {return _cefg ._ggb ._cg [_ceg ].Offset >=_eaff });if _caabe < len (_cefg ._ggb ._cg ){_deba =_cefg ._ggb ._cg [_caabe ].Offset ;};return _deba ;};func (_aab *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_efe :=MakeDict ();
_efe .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));_efe .Set ("\u0056",MakeInteger (int64 (_aab ._acd .V )));_efe .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_aab ._acd .Length )));
return _efe ;};

// RegisterCustomStreamEncoder register a custom encoder handler for certain filter.
func RegisterCustomStreamEncoder (filterName string ,customStreamEncoder StreamEncoder ){_bdca .Store (filterName ,customStreamEncoder );};func _becee (_eafgb int )int {if _eafgb < 0{return -_eafgb ;};return _eafgb ;};var _bdca _e .Map ;

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

// EncodeBytes encodes data into ASCII85 encoded format.
func (_gde *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _cfcf _gg .Buffer ;for _fcfa :=0;_fcfa < len (data );_fcfa +=4{_eeab :=data [_fcfa ];_beab :=1;_aegd :=byte (0);if _fcfa +1< len (data ){_aegd =data [_fcfa +1];_beab ++;};_bcbe :=byte (0);
if _fcfa +2< len (data ){_bcbe =data [_fcfa +2];_beab ++;};_cgae :=byte (0);if _fcfa +3< len (data ){_cgae =data [_fcfa +3];_beab ++;};_fgba :=(uint32 (_eeab )<<24)|(uint32 (_aegd )<<16)|(uint32 (_bcbe )<<8)|uint32 (_cgae );if _fgba ==0{_cfcf .WriteByte ('z');
}else {_bfffe :=_gde .base256Tobase85 (_fgba );for _ ,_dfe :=range _bfffe [:_beab +1]{_cfcf .WriteByte (_dfe +'!');};};};_cfcf .WriteString ("\u007e\u003e");return _cfcf .Bytes (),nil ;};func (_efaa *PdfParser )skipSpaces ()(int ,error ){_faag :=0;for {_afgfa ,_acgc :=_efaa ._ddbd .ReadByte ();
if _acgc !=nil {return 0,_acgc ;};if IsWhiteSpace (_afgfa ){_faag ++;}else {_efaa ._ddbd .UnreadByte ();break ;};};return _faag ,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 ;};var (ErrUnsupportedEncodingParameters =_bg .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 =_bg .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 =_bg .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 =_bg .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 =_bg .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_bg .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_bg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_gb .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 =_bg .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);

// 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 ){_ggdc :=&PdfCrypt {_fg :false ,_aaeec :make (map[PdfObject ]bool ),_agd :make (map[PdfObject ]bool ),_ebc :make (map[int ]struct{}),_cab :parser };_bbd ,_bgf :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_bgf {_dd .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 _ggdc ,_bg .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 *_bbd !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_dd .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",*_bbd );
return _ggdc ,_bg .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_ggdc ._acd .Filter =string (*_bbd );if _fce ,_fgaa :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_fgaa {_ggdc ._acd .SubFilter =_fce .Str ();
_dd .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_fce );};if L ,_bfg :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_bfg {if (*L %8)!=0{_dd .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 _ggdc ,_bg .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_ggdc ._acd .Length =int (*L );}else {_ggdc ._acd .Length =40;};_ggdc ._acd .V =0;if _gaf ,_ceb :=ed .Get ("\u0056").(*PdfObjectInteger );
_ceb {V :=int (*_gaf );_ggdc ._acd .V =V ;if V >=1&&V <=2{_ggdc ._ggf =_dcf (_ggdc ._acd .Length );}else if V >=4&&V <=5{if _egd :=_ggdc .loadCryptFilters (ed );_egd !=nil {return _ggdc ,_egd ;};}else {_dd .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 _ggdc ,_bg .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _gga :=_faa (&_ggdc ._eaab ,ed );_gga !=nil {return _ggdc ,_gga ;};_fec :="";if _gac ,_aff :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_aff &&_gac .Len ()>=1{_ggdf ,_dfd :=GetString (_gac .Get (0));if !_dfd {return _ggdc ,_bg .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_fec =_ggdf .Str ();}else {_dd .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");
};_ggdc ._ed =_fec ;return _ggdc ,nil ;};

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

// MakeArrayFromFloats creates an PdfObjectArray from a slice of float64s, where each array element is an
// PdfObjectFloat.
func MakeArrayFromFloats (vals []float64 )*PdfObjectArray {_geagg :=MakeArray ();for _ ,_gaed :=range vals {_geagg .Append (MakeFloat (_gaed ));};return _geagg ;};func (_ceeba *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_ceeba ._cgfb .Seek (0,_f .SeekStart );
_ceeba ._ddbd =_fd .NewReader (_ceeba ._cgfb );_agae :=20;_gaaeb :=make ([]byte ,_agae );for {_afec ,_fabgb :=_ceeba ._ddbd .ReadByte ();if _fabgb !=nil {if _fabgb ==_f .EOF {break ;}else {return 0,0,_fabgb ;};};if IsDecimalDigit (_afec )&&_gaaeb [_agae -1]=='.'&&IsDecimalDigit (_gaaeb [_agae -2])&&_gaaeb [_agae -3]=='-'&&_gaaeb [_agae -4]=='F'&&_gaaeb [_agae -5]=='D'&&_gaaeb [_agae -6]=='P'{_baef :=int (_gaaeb [_agae -2]-'0');
_ddbf :=int (_afec -'0');return _baef ,_ddbf ,nil ;};_gaaeb =append (_gaaeb [1:_agae ],_afec );};return 0,0,_bg .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};

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

// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_ac .Model ;Bounds ()_d .Rectangle ;At (_dgb ,_ffee int )_ac .Color ;Set (_begd ,_afe int ,_fbfb _ac .Color );};func _dag (_cgb _bad .Filter ,_daaf _egf .AuthEvent )*PdfObjectDictionary {if _daaf ==""{_daaf =_egf .EventDocOpen ;
};_bga :=MakeDict ();_bga .Set ("\u0054\u0079\u0070\u0065",MakeName ("C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"));_bga .Set ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et",MakeName (string (_daaf )));_bga .Set ("\u0043\u0046\u004d",MakeName (_cgb .Name ()));
_bga .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_cgb .KeyLength ())));return _bga ;};

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

// 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 {_abfc :=PdfObjectString {_efbg :s };return &_abfc };

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

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

// String returns a string representation of the *PdfObjectString.
func (_faeab *PdfObjectString )String ()string {return _faeab ._efbg };func _fece (_bbcc PdfObject ,_fcegc int ,_gaec map[PdfObject ]struct{})error {_dd .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",_fcegc );
if _ ,_ggea :=_gaec [_bbcc ];_ggea {_dd .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_gaec [_bbcc ]=struct{}{};switch _cgad :=_bbcc .(type ){case *PdfIndirectObject :_dede :=_cgad ;
_dd .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_dede );_dd .Log .Trace ("\u002d\u0020\u0025\u0073",_dede .PdfObject );return _fece (_dede .PdfObject ,_fcegc +1,_gaec );case *PdfObjectStream :_aggc :=_cgad ;return _fece (_aggc .PdfObjectDictionary ,_fcegc +1,_gaec );
case *PdfObjectDictionary :_bcaa :=_cgad ;_dd .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_bcaa );for _ ,_fbgca :=range _bcaa .Keys (){_cbbfg :=_bcaa .Get (_fbgca );if _bagd ,_beef :=_cbbfg .(*PdfObjectReference );_beef {_caeg :=_bagd .Resolve ();
_bcaa .Set (_fbgca ,_caeg );_ffc :=_fece (_caeg ,_fcegc +1,_gaec );if _ffc !=nil {return _ffc ;};}else {_dccd :=_fece (_cbbfg ,_fcegc +1,_gaec );if _dccd !=nil {return _dccd ;};};};return nil ;case *PdfObjectArray :_eacaf :=_cgad ;_dd .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_eacaf );
for _fffda ,_ebaa :=range _eacaf .Elements (){if _gfb ,_cafde :=_ebaa .(*PdfObjectReference );_cafde {_eeec :=_gfb .Resolve ();_eacaf .Set (_fffda ,_eeec );_cged :=_fece (_eeec ,_fcegc +1,_gaec );if _cged !=nil {return _cged ;};}else {_abfe :=_fece (_ebaa ,_fcegc +1,_gaec );
if _abfe !=nil {return _abfe ;};};};return nil ;case *PdfObjectReference :_dd .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 _bg .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};return nil ;};

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

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

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

// 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 (_deca *PdfParser )CheckAccessRights (password []byte )(bool ,_egf .Permissions ,error ){if _deca ._cgfe ==nil {return true ,_egf .PermOwner ,nil ;};return _deca ._cgfe .checkAccessRights (password );};func (_dgaad *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_dgaad ._ddbd )};


// MakeObjectStreams creates an PdfObjectStreams from a list of PdfObjects.
func MakeObjectStreams (objects ...PdfObject )*PdfObjectStreams {return &PdfObjectStreams {_fbff :objects };};func _bgfa (_fffd *PdfObjectDictionary )(_gcef *_gc .ImageBase ){var (_agda *PdfObjectInteger ;_cabe bool ;);if _agda ,_cabe =_fffd .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );
_cabe {_gcef =&_gc .ImageBase {Width :int (*_agda )};}else {return nil ;};if _agda ,_cabe =_fffd .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );_cabe {_gcef .Height =int (*_agda );};if _agda ,_cabe =_fffd .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );
_cabe {_gcef .BitsPerComponent =int (*_agda );};if _agda ,_cabe =_fffd .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );_cabe {_gcef .ColorComponents =int (*_agda );};return _gcef ;};

// IsAuthenticated returns true if the PDF has already been authenticated for accessing.
func (_acdb *PdfParser )IsAuthenticated ()bool {return _acdb ._cgfe ._fg };type offsetReader struct{_gbcd _f .ReadSeeker ;_aagc int64 ;};

// String returns a string describing `d`.
func (_cacd *PdfObjectDictionary )String ()string {var _begb _bgef .Builder ;_begb .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_afdd :=range _cacd ._adba {_dfceb :=_cacd ._befa [_afdd ];_begb .WriteString ("\u0022"+_afdd .String ()+"\u0022\u003a\u0020");
_begb .WriteString (_dfceb .String ());_begb .WriteString ("\u002c\u0020");};_begb .WriteString ("\u0029");return _begb .String ();};

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

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

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

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

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

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

// String returns a string representation of `name`.
func (_cdddd *PdfObjectName )String ()string {return string (*_cdddd )};func _fga (_fbb *_egf .StdEncryptDict ,_gd *PdfObjectDictionary ){_gd .Set ("\u0052",MakeInteger (int64 (_fbb .R )));_gd .Set ("\u0050",MakeInteger (int64 (_fbb .P )));_gd .Set ("\u004f",MakeStringFromBytes (_fbb .O ));
_gd .Set ("\u0055",MakeStringFromBytes (_fbb .U ));if _fbb .R >=5{_gd .Set ("\u004f\u0045",MakeStringFromBytes (_fbb .OE ));_gd .Set ("\u0055\u0045",MakeStringFromBytes (_fbb .UE ));_gd .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_fbb .EncryptMetadata ));
if _fbb .R > 5{_gd .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_fbb .Perms ));};};};func _cdc (_abea *PdfObjectStream )(*MultiEncoder ,error ){_dcgd :=NewMultiEncoder ();_fdab :=_abea .PdfObjectDictionary ;if _fdab ==nil {return _dcgd ,nil ;
};var _fecfa *PdfObjectDictionary ;var _efcf []PdfObject ;_gcfb :=_fdab .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _gcfb !=nil {_agef ,_cefe :=_gcfb .(*PdfObjectDictionary );if _cefe {_fecfa =_agef ;};_deg ,_gcca :=_gcfb .(*PdfObjectArray );
if _gcca {for _ ,_aegga :=range _deg .Elements (){_aegga =TraceToDirectObject (_aegga );if _beba ,_bgeg :=_aegga .(*PdfObjectDictionary );_bgeg {_efcf =append (_efcf ,_beba );}else {_efcf =append (_efcf ,MakeDict ());};};};};_gcfb =_fdab .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");
if _gcfb ==nil {return nil ,_ab .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");};_ggdb ,_gbeac :=_gcfb .(*PdfObjectArray );if !_gbeac {return nil ,_ab .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 _agee ,_addfd :=range _ggdb .Elements (){_fcea ,_adag :=_addfd .(*PdfObjectName );if !_adag {return nil ,_ab .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 _dcgg PdfObject ;if _fecfa !=nil {_dcgg =_fecfa ;}else {if len (_efcf )> 0{if _agee >=len (_efcf ){return nil ,_ab .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");
};_dcgg =_efcf [_agee ];};};var _gbed *PdfObjectDictionary ;if _afebd ,_feaec :=_dcgg .(*PdfObjectDictionary );_feaec {_gbed =_afebd ;};_dd .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",*_fcea ,_dcgg ,_gbed );
if *_fcea ==StreamEncodingFilterNameFlate {_bgaa ,_ccab :=_efef (_abea ,_gbed );if _ccab !=nil {return nil ,_ccab ;};_dcgd .AddEncoder (_bgaa );}else if *_fcea ==StreamEncodingFilterNameLZW {_afbbd ,_abab :=_fcee (_abea ,_gbed );if _abab !=nil {return nil ,_abab ;
};_dcgd .AddEncoder (_afbbd );}else if *_fcea ==StreamEncodingFilterNameASCIIHex {_dedb :=NewASCIIHexEncoder ();_dcgd .AddEncoder (_dedb );}else if *_fcea ==StreamEncodingFilterNameASCII85 {_dggfc :=NewASCII85Encoder ();_dcgd .AddEncoder (_dggfc );}else if *_fcea ==StreamEncodingFilterNameDCT {_fffg ,_fbcg :=_bgbc (_abea ,_dcgd );
if _fbcg !=nil {return nil ,_fbcg ;};_dcgd .AddEncoder (_fffg );_dd .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_dd .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_dcgd );
}else {_dd .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_fcea );return nil ,_ab .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 _dcgd ,nil ;};func _dcgf (_bdad _f .ReadSeeker ,_bbf int64 )(*offsetReader ,error ){_eeage :=&offsetReader {_gbcd :_bdad ,_aagc :_bbf };_ ,_fccb :=_eeage .Seek (0,_f .SeekStart );return _eeage ,_fccb ;};

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

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

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

// NewRunLengthEncoder makes a new run length encoder
func NewRunLengthEncoder ()*RunLengthEncoder {return &RunLengthEncoder {}};func (_gecge *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _gecge ._cbec {return nil ,_ab .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");
};_gecge ._cbec =true ;_gecge ._cgfb .Seek (0,_f .SeekStart );_gecge ._ddbd =_fd .NewReader (_gecge ._cgfb );_ffdaf :=20;_gdcef :=make ([]byte ,_ffdaf );_dacg :=XrefTable {};_dacg .ObjectMap =make (map[int ]XrefObject );for {_dgdbe ,_aed :=_gecge ._ddbd .ReadByte ();
if _aed !=nil {if _aed ==_f .EOF {break ;}else {return nil ,_aed ;};};if _dgdbe =='j'&&_gdcef [_ffdaf -1]=='b'&&_gdcef [_ffdaf -2]=='o'&&IsWhiteSpace (_gdcef [_ffdaf -3]){_eddbcf :=_ffdaf -4;for IsWhiteSpace (_gdcef [_eddbcf ])&&_eddbcf > 0{_eddbcf --;
};if _eddbcf ==0||!IsDecimalDigit (_gdcef [_eddbcf ]){continue ;};for IsDecimalDigit (_gdcef [_eddbcf ])&&_eddbcf > 0{_eddbcf --;};if _eddbcf ==0||!IsWhiteSpace (_gdcef [_eddbcf ]){continue ;};for IsWhiteSpace (_gdcef [_eddbcf ])&&_eddbcf > 0{_eddbcf --;
};if _eddbcf ==0||!IsDecimalDigit (_gdcef [_eddbcf ]){continue ;};for IsDecimalDigit (_gdcef [_eddbcf ])&&_eddbcf > 0{_eddbcf --;};if _eddbcf ==0{continue ;};_fbadb :=_gecge .GetFileOffset ()-int64 (_ffdaf -_eddbcf );_ccaa :=append (_gdcef [_eddbcf +1:],_dgdbe );
_geba ,_eaee ,_abgea :=_eegg (string (_ccaa ));if _abgea !=nil {_dd .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",_abgea );
return nil ,_abgea ;};if _abff ,_ddcc :=_dacg .ObjectMap [_geba ];!_ddcc ||_abff .Generation < _eaee {_aaba :=XrefObject {};_aaba .XType =XrefTypeTableEntry ;_aaba .ObjectNumber =_geba ;_aaba .Generation =_eaee ;_aaba .Offset =_fbadb ;_dacg .ObjectMap [_geba ]=_aaba ;
};};_gdcef =append (_gdcef [1:_ffdaf ],_dgdbe );};_gecge ._bbde =nil ;return &_dacg ,nil ;};

// SetImage sets the image base for given flate encoder.
func (_aad *FlateEncoder )SetImage (img *_gc .ImageBase ){_aad ._affc =img };

// NewMultiEncoder returns a new instance of MultiEncoder.
func NewMultiEncoder ()*MultiEncoder {_aacb :=MultiEncoder {};_aacb ._bdbb =[]StreamEncoder {};return &_aacb ;};func (_ecbc *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _acca *PdfObjectDictionary ;_dccee ,_cgbg :=_ecbc .readTextLine ();
if _cgbg !=nil {return nil ,_cgbg ;};_dd .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_dccee );_eafg :=-1;_dagd :=0;_daadf :=false ;_gfde :="";for {_ecbc .skipSpaces ();_ ,_ddc :=_ecbc ._ddbd .Peek (1);
if _ddc !=nil {return nil ,_ddc ;};_dccee ,_ddc =_ecbc .readTextLine ();if _ddc !=nil {return nil ,_ddc ;};_ggce :=_afea .FindStringSubmatch (_dccee );if len (_ggce )==0{_bfeaf :=len (_gfde )> 0;_gfde +=_dccee +"\u000a";if _bfeaf {_ggce =_afea .FindStringSubmatch (_gfde );
};};if len (_ggce )==3{_beee ,_ :=_bc .Atoi (_ggce [1]);_ccfe ,_ :=_bc .Atoi (_ggce [2]);_eafg =_beee ;_dagd =_ccfe ;_daadf =true ;_gfde ="";_dd .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",_eafg ,_dagd );
continue ;};_bcefaf :=_dcdd .FindStringSubmatch (_dccee );if len (_bcefaf )==4{if !_daadf {_dd .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 ,_bg .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_gbgc ,_ :=_bc .ParseInt (_bcefaf [1],10,64);_gdbg ,_ :=_bc .Atoi (_bcefaf [2]);_gbege :=_bcefaf [3];_gfde ="";if _bgef .ToLower (_gbege )=="\u006e"&&_gbgc > 1{_becb ,_gbda :=_ecbc ._ggb .ObjectMap [_eafg ];if !_gbda ||_gdbg > _becb .Generation {_gcdd :=XrefObject {ObjectNumber :_eafg ,XType :XrefTypeTableEntry ,Offset :_gbgc ,Generation :_gdbg };
_ecbc ._ggb .ObjectMap [_eafg ]=_gcdd ;};};_eafg ++;continue ;};if (len (_dccee )> 6)&&(_dccee [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_dd .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_dccee );
if len (_dccee )> 9{_bedcae :=_ecbc .GetFileOffset ();_ecbc .SetFileOffset (_bedcae -int64 (len (_dccee ))+7);};_ecbc .skipSpaces ();_ecbc .skipComments ();_dd .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_dd .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_dccee );_acca ,_ddc =_ecbc .ParseDict ();_dd .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _ddc !=nil {_dd .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",_ddc );return nil ,_ddc ;};break ;};if _dccee =="\u0025\u0025\u0045O\u0046"{_dd .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 ,_bg .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");};_dd .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_dccee );
};_dd .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 _ecbc ._egdd ==nil {_edff :=XrefTypeTableEntry ;_ecbc ._egdd =&_edff ;};return _acca ,nil ;};func (_eegdg *PdfParser )readTextLine ()(string ,error ){var _dgbg _gg .Buffer ;
for {_ebdf ,_geec :=_eegdg ._ddbd .Peek (1);if _geec !=nil {_dd .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_geec .Error ());return _dgbg .String (),_geec ;};if (_ebdf [0]!='\r')&&(_ebdf [0]!='\n'){_egacc ,_ :=_eegdg ._ddbd .ReadByte ();
_dgbg .WriteByte (_egacc );}else {break ;};};return _dgbg .String (),nil ;};

// XrefTable represents the cross references in a PDF, i.e. the table of objects and information
// where to access within the PDF file.
type XrefTable struct{ObjectMap map[int ]XrefObject ;_cg []XrefObject ;};func (_geaa *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_f .SeekStart {offset +=_geaa ._aagc ;};_gaea ,_gceb :=_geaa ._gbcd .Seek (offset ,whence );
if _gceb !=nil {return _gaea ,_gceb ;};if whence ==_f .SeekCurrent {_gaea -=_geaa ._aagc ;};if _gaea < 0{return 0,_bg .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 _gaea ,nil ;};func _bgbc (_abg *PdfObjectStream ,_facb *MultiEncoder )(*DCTEncoder ,error ){_cfdg :=NewDCTEncoder ();_fdg :=_abg .PdfObjectDictionary ;if _fdg ==nil {return _cfdg ,nil ;};_ecda :=_abg .Stream ;if _facb !=nil {_ebf ,_eeae :=_facb .DecodeBytes (_ecda );
if _eeae !=nil {return nil ,_eeae ;};_ecda =_ebf ;};_ccff :=_gg .NewReader (_ecda );_ffg ,_ggfb :=_ef .DecodeConfig (_ccff );if _ggfb !=nil {_dd .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_ggfb );
return nil ,_ggfb ;};switch _ffg .ColorModel {case _ac .RGBAModel :_cfdg .BitsPerComponent =8;_cfdg .ColorComponents =3;case _ac .RGBA64Model :_cfdg .BitsPerComponent =16;_cfdg .ColorComponents =3;case _ac .GrayModel :_cfdg .BitsPerComponent =8;_cfdg .ColorComponents =1;
case _ac .Gray16Model :_cfdg .BitsPerComponent =16;_cfdg .ColorComponents =1;case _ac .CMYKModel :_cfdg .BitsPerComponent =8;_cfdg .ColorComponents =4;case _ac .YCbCrModel :_cfdg .BitsPerComponent =8;_cfdg .ColorComponents =3;default:return nil ,_bg .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_cfdg .Width =_ffg .Width ;_cfdg .Height =_ffg .Height ;_dd .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_cfdg );_cfdg .Quality =DefaultJPEGQuality ;return _cfdg ,nil ;};

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

// 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 (_cegc *PdfParser )IsEncrypted ()(bool ,error ){if _cegc ._cgfe !=nil {return true ,nil ;}else if _cegc ._ffgb ==nil {return false ,nil ;};_dd .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");
_dcca :=_cegc ._ffgb .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _dcca ==nil {return false ,nil ;};_dd .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_ffda *PdfObjectDictionary ;);switch _cfee :=_dcca .(type ){case *PdfObjectDictionary :_ffda =_cfee ;
case *PdfObjectReference :_dd .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_cfee );_abcb ,_dafa :=_cegc .LookupByReference (*_cfee );_dd .Log .Trace ("\u0031\u003a\u0020%\u0071",_abcb );
if _dafa !=nil {return false ,_dafa ;};_gdbba ,_abce :=_abcb .(*PdfIndirectObject );if !_abce {_dd .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 ,_bg .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_bbcff ,_abce :=_gdbba .PdfObject .(*PdfObjectDictionary );_dd .Log .Trace ("\u0032\u003a\u0020%\u0071",_bbcff );if !_abce {return false ,_bg .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");
};_ffda =_bbcff ;case *PdfObjectNull :_dd .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 ,_ab .Errorf ("u\u006es\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0074\u0079\u0070\u0065: \u0025\u0054",_cfee );};_fccfb ,_dccg :=PdfCryptNewDecrypt (_cegc ,_ffda ,_cegc ._ffgb );if _dccg !=nil {return false ,_dccg ;
};for _ ,_aecec :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_bdcc :=_cegc ._ffgb .Get (PdfObjectName (_aecec ));if _bdcc ==nil {continue ;};switch _edfg :=_bdcc .(type ){case *PdfObjectReference :_fccfb ._ebc [int (_edfg .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_fccfb ._aaeec [_edfg ]=true ;_fccfb ._ebc [int (_edfg .ObjectNumber )]=struct{}{};};};_cegc ._cgfe =_fccfb ;_dd .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_fccfb );
return true ,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 )(_feef *PdfObjectInteger ,_gcaa bool ){_feef ,_gcaa =TraceToDirectObject (obj ).(*PdfObjectInteger );return _feef ,_gcaa ;};

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

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