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 (_fg "bufio";_ae "bytes";_f "compress/lzw";_cd "compress/zlib";_fb "crypto/md5";_de "crypto/rand";_gg "encoding/hex";_eg "errors";_b "fmt";_cdd "github.com/unidoc/unipdf/v3/common";_bd "github.com/unidoc/unipdf/v3/core/security";_be "github.com/unidoc/unipdf/v3/core/security/crypt";
_ca "github.com/unidoc/unipdf/v3/internal/ccittfax";_aa "github.com/unidoc/unipdf/v3/internal/imageutil";_gb "github.com/unidoc/unipdf/v3/internal/jbig2";_dee "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";_cf "github.com/unidoc/unipdf/v3/internal/jbig2/decoder";
_bb "github.com/unidoc/unipdf/v3/internal/jbig2/document";_fe "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_ba "github.com/unidoc/unipdf/v3/internal/strutils";_ea "golang.org/x/image/tiff/lzw";_fa "golang.org/x/xerrors";_eca "image";_db "image/color";
_c "image/jpeg";_gc "io";_g "reflect";_a "regexp";_dg "sort";_d "strconv";_ef "strings";_ec "sync";_eb "time";_ge "unicode";);

// MakeStreamDict make a new instance of an encoding dictionary for a stream object.
func (_agff *ASCII85Encoder )MakeStreamDict ()*PdfObjectDictionary {_aggg :=MakeDict ();_aggg .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_agff .GetFilterName ()));return _aggg ;};func _ddgf (_fffca PdfObject ,_gaeg int )PdfObject {if _gaeg > _eaab {_cdd .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",_eaab );
return MakeNull ();};switch _gfegg :=_fffca .(type ){case *PdfIndirectObject :_fffca =_ddgf ((*_gfegg ).PdfObject ,_gaeg +1);case *PdfObjectArray :for _aebff ,_deaf :=range (*_gfegg )._effaa {(*_gfegg )._effaa [_aebff ]=_ddgf (_deaf ,_gaeg +1);};case *PdfObjectDictionary :for _gcga ,_bbdac :=range (*_gfegg )._acbd {(*_gfegg )._acbd [_gcga ]=_ddgf (_bbdac ,_gaeg +1);
};_dg .Slice ((*_gfegg )._fab ,func (_fedad ,_gafe int )bool {return (*_gfegg )._fab [_fedad ]< (*_gfegg )._fab [_gafe ]});};return _fffca ;};

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

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

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

// SetPredictor sets the predictor function.  Specify the number of columns per row.
// The columns indicates the number of samples per row.
// Used for grouping data together for compression.
func (_dfeb *FlateEncoder )SetPredictor (columns int ){_dfeb .Predictor =11;_dfeb .Columns =columns };func _daeee (_fbcb ,_ggeb ,_feaa int )error {if _ggeb < 0||_ggeb > _fbcb {return _eg .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 _feaa < _ggeb {return _eg .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0073\u006c\u0069\u0063e\u0020i\u006ed\u0065\u0078\u0020\u0062\u0020\u003c\u0020a");};if _feaa > _fbcb {return _eg .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 ;};

// EncodeBytes JPX encodes the passed in slice of bytes.
func (_fded *JPXEncoder )EncodeBytes (data []byte )([]byte ,error ){_cdd .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",_fded .GetFilterName ());
return data ,ErrNoJPXDecode ;};func (_fadc *PdfCrypt )generateParams (_efab ,_cab []byte )error {_abe :=_fadc .securityHandler ();_effb ,_aebc :=_abe .GenerateParams (&_fadc ._fd ,_cab ,_efab );if _aebc !=nil {return _aebc ;};_fadc ._beb =_effb ;return nil ;
};

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

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

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

// 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 )(_bdbeb *PdfObjectInteger ,_gffd bool ){_bdbeb ,_gffd =TraceToDirectObject (obj ).(*PdfObjectInteger );return _bdbeb ,_gffd ;};

// NewCompliancePdfParser creates a new PdfParser that will parse input reader with the focus on extracting more metadata, which
// might affect performance of the regular PdfParser this function.
func NewCompliancePdfParser (rs _gc .ReadSeeker )(_fcda *PdfParser ,_gbf error ){_fcda =&PdfParser {_bcda :rs ,ObjCache :make (objectCache ),_gddg :map[int64 ]bool {},_gaff :true };if _gbf =_fcda .parseDetailedHeader ();_gbf !=nil {return nil ,_gbf ;};
if _fcda ._debe ,_gbf =_fcda .loadXrefs ();_gbf !=nil {_cdd .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",_gbf );return nil ,_gbf ;
};_cdd .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_fcda ._debe );if len (_fcda ._gcebb .ObjectMap )==0{return nil ,_b .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 _fcda ,nil ;};

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

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

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

// GetFilterName returns the name of the encoding filter.
func (_bdcb *ASCII85Encoder )GetFilterName ()string {return StreamEncodingFilterNameASCII85 };var _ecbdgg _ec .Map ;

// 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 _eca .Image ,bwThreshold float64 )(*JBIG2Image ,error ){const _bfbdb ="\u0047\u006f\u0049\u006d\u0061\u0067\u0065\u0054\u006fJ\u0042\u0049\u0047\u0032";if i ==nil {return nil ,_fe .Error (_bfbdb ,"i\u006d\u0061\u0067\u0065 '\u0069'\u0020\u006e\u006f\u0074\u0020d\u0065\u0066\u0069\u006e\u0065\u0064");
};var (_gebb uint8 ;_beeb _aa .Image ;_bebb error ;);if bwThreshold ==JB2ImageAutoThreshold {_beeb ,_bebb =_aa .MonochromeConverter .Convert (i );}else if bwThreshold > 1.0||bwThreshold < 0.0{return nil ,_fe .Error (_bfbdb ,"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 {_gebb =uint8 (255*bwThreshold );_beeb ,_bebb =_aa .MonochromeThresholdConverter (_gebb ).Convert (i );};if _bebb !=nil {return nil ,_bebb ;};return _bbde (_beeb ),nil ;};func _dgf (_fcfd int )cryptFilters {return cryptFilters {_eee :_be .NewFilterV2 (_fcfd )}};


// 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 ;_gcec *_bb .Document ;

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

// 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 (_gacf *PdfParser )CheckAccessRights (password []byte )(bool ,_bd .Permissions ,error ){if _gacf ._aegc ==nil {return true ,_bd .PermOwner ,nil ;};return _gacf ._aegc .checkAccessRights (password );};func (_bgcff *PdfObjectFloat )String ()string {return _b .Sprintf ("\u0025\u0066",*_bgcff )};


// NewASCIIHexEncoder makes a new ASCII hex encoder.
func NewASCIIHexEncoder ()*ASCIIHexEncoder {_cgaa :=&ASCIIHexEncoder {};return _cgaa };type offsetReader struct{_gfda _gc .ReadSeeker ;_gbaf int64 ;};

// MakeDict creates and returns an empty PdfObjectDictionary.
func MakeDict ()*PdfObjectDictionary {_edaf :=&PdfObjectDictionary {};_edaf ._acbd =map[PdfObjectName ]PdfObject {};_edaf ._fab =[]PdfObjectName {};return _edaf ;};func (_gcfa *JBIG2Encoder )encodeImage (_adaf _eca .Image )([]byte ,error ){const _cdafd ="e\u006e\u0063\u006f\u0064\u0065\u0049\u006d\u0061\u0067\u0065";
_bdecf ,_gbbcd :=GoImageToJBIG2 (_adaf ,JB2ImageAutoThreshold );if _gbbcd !=nil {return nil ,_fe .Wrap (_gbbcd ,_cdafd ,"\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 _gbbcd =_gcfa .AddPageImage (_bdecf ,&_gcfa .DefaultPageSettings );_gbbcd !=nil {return nil ,_fe .Wrap (_gbbcd ,_cdafd ,"");};return _gcfa .Encode ();};

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

// 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 (_cfff *JBIG2Encoder )DecodeImages (encoded []byte )([]_eca .Image ,error ){const _fcec ="\u004aB\u0049\u0047\u0032\u0045n\u0063\u006f\u0064\u0065\u0072.\u0044e\u0063o\u0064\u0065\u0049\u006d\u0061\u0067\u0065s";_ccbc ,_eed :=_cf .Decode (encoded ,_cf .Parameters {},_cfff .Globals .ToDocumentGlobals ());
if _eed !=nil {return nil ,_fe .Wrap (_eed ,_fcec ,"");};_gdaa ,_eed :=_ccbc .PageNumber ();if _eed !=nil {return nil ,_fe .Wrap (_eed ,_fcec ,"");};_adff :=[]_eca .Image {};var _ddgd _eca .Image ;for _defd :=1;_defd <=_gdaa ;_defd ++{_ddgd ,_eed =_ccbc .DecodePageImage (_defd );
if _eed !=nil {return nil ,_fe .Wrapf (_eed ,_fcec ,"\u0070\u0061\u0067\u0065\u003a\u0020\u0027\u0025\u0064\u0027",_defd );};_adff =append (_adff ,_ddgd );};return _adff ,nil ;};

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_fedcf *JBIG2Encoder )MakeStreamDict ()*PdfObjectDictionary {_ddbf :=MakeDict ();_ddbf .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_fedcf .GetFilterName ()));return _ddbf ;};type objectCache map[int ]PdfObject ;

// PdfObjectInteger represents the primitive PDF integer numerical object.
type PdfObjectInteger int64 ;const _eaab =10;func (_bbbf *PdfParser )parseNumber ()(PdfObject ,error ){return ParseNumber (_bbbf ._cegf )};func _dcgc ()string {return _cdd .Version };const (DefaultJPEGQuality =75;);func (_dfe *PdfCrypt )authenticate (_gdd []byte )(bool ,error ){_dfe ._eafa =false ;
_ebb :=_dfe .securityHandler ();_bbg ,_ceb ,_deg :=_ebb .Authenticate (&_dfe ._fd ,_gdd );if _deg !=nil {return false ,_deg ;}else if _ceb ==0||len (_bbg )==0{return false ,nil ;};_dfe ._eafa =true ;_dfe ._beb =_bbg ;return true ,nil ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_abeg *CCITTFaxEncoder )MakeDecodeParams ()PdfObject {_badef :=MakeDict ();_badef .Set ("\u004b",MakeInteger (int64 (_abeg .K )));_badef .Set ("\u0043o\u006c\u0075\u006d\u006e\u0073",MakeInteger (int64 (_abeg .Columns )));if _abeg .BlackIs1 {_badef .Set ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031",MakeBool (_abeg .BlackIs1 ));
};if _abeg .EncodedByteAlign {_badef .Set ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e",MakeBool (_abeg .EncodedByteAlign ));};if _abeg .EndOfLine &&_abeg .K >=0{_badef .Set ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee",MakeBool (_abeg .EndOfLine ));
};if _abeg .Rows !=0&&!_abeg .EndOfBlock {_badef .Set ("\u0052\u006f\u0077\u0073",MakeInteger (int64 (_abeg .Rows )));};if !_abeg .EndOfBlock {_badef .Set ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b",MakeBool (_abeg .EndOfBlock ));};
if _abeg .DamagedRowsBeforeError !=0{_badef .Set ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072",MakeInteger (int64 (_abeg .DamagedRowsBeforeError )));};return _badef ;};func (_ffce *FlateEncoder )postDecodePredict (_acad []byte )([]byte ,error ){if _ffce .Predictor > 1{if _ffce .Predictor ==2{_cdd .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_cdd .Log .Trace ("\u0043\u006f\u006c\u006f\u0072\u0073\u003a\u0020\u0025\u0064",_ffce .Colors );_adg :=_ffce .Columns *_ffce .Colors ;if _adg < 1{return []byte {},nil ;};_gfg :=len (_acad )/_adg ;if len (_acad )%_adg !=0{_cdd .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 ,_b .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077 \u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064/\u0025\u0064\u0029",len (_acad ),_adg );};if _adg %_ffce .Colors !=0{return nil ,_b .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",_adg ,_ffce .Colors );
};if _adg > len (_acad ){_cdd .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",_adg ,len (_acad ));
return nil ,_eg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cdd .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_acad ),_acad );
_gbaa :=_ae .NewBuffer (nil );for _deeb :=0;_deeb < _gfg ;_deeb ++{_ebae :=_acad [_adg *_deeb :_adg *(_deeb +1)];for _dfcd :=_ffce .Colors ;_dfcd < _adg ;_dfcd ++{_ebae [_dfcd ]+=_ebae [_dfcd -_ffce .Colors ];};_gbaa .Write (_ebae );};_fdfaf :=_gbaa .Bytes ();
_cdd .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_fdfaf ),_fdfaf );return _fdfaf ,nil ;}else if _ffce .Predictor >=10&&_ffce .Predictor <=15{_cdd .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_gbdad :=_ffce .Columns *_ffce .Colors +1;_gfee :=len (_acad )/_gbdad ;if len (_acad )%_gbdad !=0{return nil ,_b .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u006f\u0077 \u006c\u0065\u006e\u0067\u0074\u0068\u0020\u0028\u0025\u0064/\u0025\u0064\u0029",len (_acad ),_gbdad );
};if _gbdad > len (_acad ){_cdd .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",_gbdad ,len (_acad ));
return nil ,_eg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_bced :=_ae .NewBuffer (nil );_cdd .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_ffce .Columns );
_cdd .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_acad ),_gbdad ,_gfee );_ffcc :=make ([]byte ,_gbdad );for _cfcg :=0;_cfcg < _gbdad ;_cfcg ++{_ffcc [_cfcg ]=0;
};_cef :=_ffce .Colors ;for _cebg :=0;_cebg < _gfee ;_cebg ++{_fdfe :=_acad [_gbdad *_cebg :_gbdad *(_cebg +1)];_faae :=_fdfe [0];switch _faae {case _cgga :case _gbed :for _dfbdb :=1+_cef ;_dfbdb < _gbdad ;_dfbdb ++{_fdfe [_dfbdb ]+=_fdfe [_dfbdb -_cef ];
};case _bece :for _ddag :=1;_ddag < _gbdad ;_ddag ++{_fdfe [_ddag ]+=_ffcc [_ddag ];};case _dfbd :for _feba :=1;_feba < _cef +1;_feba ++{_fdfe [_feba ]+=_ffcc [_feba ]/2;};for _cad :=_cef +1;_cad < _gbdad ;_cad ++{_fdfe [_cad ]+=byte ((int (_fdfe [_cad -_cef ])+int (_ffcc [_cad ]))/2);
};case _adcba :for _aed :=1;_aed < _gbdad ;_aed ++{var _bgda ,_acdg ,_eag byte ;_acdg =_ffcc [_aed ];if _aed >=_cef +1{_bgda =_fdfe [_aed -_cef ];_eag =_ffcc [_aed -_cef ];};_fdfe [_aed ]+=_addb (_bgda ,_acdg ,_eag );};default:_cdd .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",_faae ,_cebg );
return nil ,_b .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_faae );};copy (_ffcc ,_fdfe );_bced .Write (_fdfe [1:]);};_ccb :=_bced .Bytes ();return _ccb ,nil ;
}else {_cdd .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",_ffce .Predictor );return nil ,_b .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",_ffce .Predictor );
};};return _acad ,nil ;};const JB2ImageAutoThreshold =-1.0;

// 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 _ddgf (obj ,0)};func (_eabb *PdfParser )rebuildXrefTable ()error {_cdcd :=XrefTable {};_cdcd .ObjectMap =map[int ]XrefObject {};_gbcgc :=make ([]int ,0,len (_eabb ._gcebb .ObjectMap ));for _fdfge :=range _eabb ._gcebb .ObjectMap {_gbcgc =append (_gbcgc ,_fdfge );
};_dg .Ints (_gbcgc );for _ ,_gbcb :=range _gbcgc {_abdc :=_eabb ._gcebb .ObjectMap [_gbcb ];_efgb ,_ ,_efefg :=_eabb .lookupByNumberWrapper (_gbcb ,false );if _efefg !=nil {_cdd .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",_efefg );
_cdd .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");
_bddf ,_gab :=_eabb .repairRebuildXrefsTopDown ();if _gab !=nil {_cdd .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",_gab );
return _gab ;};_eabb ._gcebb =*_bddf ;_cdd .Log .Debug ("\u0052e\u0070\u0061\u0069\u0072e\u0064\u0020\u0078\u0072\u0065f\u0020t\u0061b\u006c\u0065\u0020\u0062\u0075\u0069\u006ct");return nil ;};_cbbg ,_bfga ,_efefg :=_agf (_efgb );if _efefg !=nil {return _efefg ;
};_abdc .ObjectNumber =int (_cbbg );_abdc .Generation =int (_bfga );_cdcd .ObjectMap [int (_cbbg )]=_abdc ;};_eabb ._gcebb =_cdcd ;_cdd .Log .Debug ("N\u0065w\u0020\u0078\u0072\u0065\u0066\u0020\u0074\u0061b\u006c\u0065\u0020\u0062ui\u006c\u0074");_fcf (_eabb ._gcebb );
return nil ;};

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

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

// IsDelimiter checks if a character represents a delimiter.
func IsDelimiter (c byte )bool {return c =='('||c ==')'||c =='<'||c =='>'||c =='['||c ==']'||c =='{'||c =='}'||c =='/'||c =='%';};func _acfgg (_gbef string )(int ,int ,error ){_cbce :=_cacb .FindStringSubmatch (_gbef );if len (_cbce )< 3{return 0,0,_eg .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");
};_bfbcg ,_ :=_d .Atoi (_cbce [1]);_aeecb ,_ :=_d .Atoi (_cbce [2]);return _bfbcg ,_aeecb ,nil ;};

// PdfObjectString represents the primitive PDF string object.
type PdfObjectString struct{_ddgc string ;_eebg bool ;};func (_beaa *PdfCrypt )isEncrypted (_cgca PdfObject )bool {_ ,_eba :=_beaa ._bfbc [_cgca ];if _eba {_cdd .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0065\u006e\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};_cdd .Log .Trace ("\u004e\u006f\u0074\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");return false ;};func (_cc *PdfParser )lookupObjectViaOS (_ag int ,_gee int )(PdfObject ,error ){var _aef *_ae .Reader ;
var _ebf objectStream ;var _af bool ;_ebf ,_af =_cc ._eebb [_ag ];if !_af {_gbe ,_gbd :=_cc .LookupByNumber (_ag );if _gbd !=nil {_cdd .Log .Debug ("\u004d\u0069ss\u0069\u006e\u0067 \u006f\u0062\u006a\u0065ct \u0073tr\u0065\u0061\u006d\u0020\u0077\u0069\u0074h \u006e\u0075\u006d\u0062\u0065\u0072\u0020%\u0064",_ag );
return nil ,_gbd ;};_ebd ,_egf :=_gbe .(*PdfObjectStream );if !_egf {return nil ,_eg .New ("i\u006e\u0076\u0061\u006cid\u0020o\u0062\u006a\u0065\u0063\u0074 \u0073\u0074\u0072\u0065\u0061\u006d");};if _cc ._aegc !=nil &&!_cc ._aegc .isDecrypted (_ebd ){return nil ,_eg .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");
};_ee :=_ebd .PdfObjectDictionary ;_cdd .Log .Trace ("\u0073o\u0020\u0064\u003a\u0020\u0025\u0073\n",_ee .String ());_ad ,_egf :=_ee .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if !_egf {_cdd .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 ,_eg .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 _ef .ToLower (string (*_ad ))!="\u006f\u0062\u006a\u0073\u0074\u006d"{_cdd .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 ,_eg .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 ,_egf :=_ee .Get ("\u004e").(*PdfObjectInteger );if !_egf {return nil ,_eg .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");
};_ecg ,_egf :=_ee .Get ("\u0046\u0069\u0072s\u0074").(*PdfObjectInteger );if !_egf {return nil ,_eg .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");
};_cdd .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",_ad ,*N );_gbc ,_gbd :=DecodeStream (_ebd );if _gbd !=nil {return nil ,_gbd ;
};_cdd .Log .Trace ("D\u0065\u0063\u006f\u0064\u0065\u0064\u003a\u0020\u0025\u0073",_gbc );_adc :=_cc .GetFileOffset ();defer func (){_cc .SetFileOffset (_adc )}();_aef =_ae .NewReader (_gbc );_cc ._cegf =_fg .NewReader (_aef );_cdd .Log .Trace ("\u0050a\u0072s\u0069\u006e\u0067\u0020\u006ff\u0066\u0073e\u0074\u0020\u006d\u0061\u0070");
_afd :=map[int ]int64 {};for _ebc :=0;_ebc < int (*N );_ebc ++{_cc .skipSpaces ();_fc ,_aee :=_cc .parseNumber ();if _aee !=nil {return nil ,_aee ;};_dbg ,_eaf :=_fc .(*PdfObjectInteger );if !_eaf {return nil ,_eg .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");
};_cc .skipSpaces ();_fc ,_aee =_cc .parseNumber ();if _aee !=nil {return nil ,_aee ;};_ebe ,_eaf :=_fc .(*PdfObjectInteger );if !_eaf {return nil ,_eg .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");
};_cdd .Log .Trace ("\u006f\u0062j\u0020\u0025\u0064 \u006f\u0066\u0066\u0073\u0065\u0074\u0020\u0025\u0064",*_dbg ,*_ebe );_afd [int (*_dbg )]=int64 (*_ecg +*_ebe );};_ebf =objectStream {N :int (*N ),_gba :_gbc ,_fge :_afd };_cc ._eebb [_ag ]=_ebf ;}else {_ffg :=_cc .GetFileOffset ();
defer func (){_cc .SetFileOffset (_ffg )}();_aef =_ae .NewReader (_ebf ._gba );_cc ._cegf =_fg .NewReader (_aef );};_fcb :=_ebf ._fge [_gee ];_cdd .Log .Trace ("\u0041\u0043\u0054\u0055AL\u0020\u006f\u0066\u0066\u0073\u0065\u0074\u005b\u0025\u0064\u005d\u0020\u003d\u0020%\u0064",_gee ,_fcb );
_aef .Seek (_fcb ,_gc .SeekStart );_cc ._cegf =_fg .NewReader (_aef );_da ,_ :=_cc ._cegf .Peek (100);_cdd .Log .Trace ("\u004f\u0042\u004a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_da ));_dgg ,_df :=_cc .parseObject ();if _df !=nil {_cdd .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",_df );
return nil ,_df ;};if _dgg ==nil {return nil ,_eg .New ("o\u0062\u006a\u0065\u0063t \u0063a\u006e\u006e\u006f\u0074\u0020b\u0065\u0020\u006e\u0075\u006c\u006c");};_bab :=PdfIndirectObject {};_bab .ObjectNumber =int64 (_gee );_bab .PdfObject =_dgg ;_bab ._ggdd =_cc ;
return &_bab ,nil ;};

// ToFloat64Array returns a slice of all elements in the array as a float64 slice.  An error is
// returned if the array contains non-numeric objects (each element can be either PdfObjectInteger
// or PdfObjectFloat).
func (_aggf *PdfObjectArray )ToFloat64Array ()([]float64 ,error ){var _fgea []float64 ;for _ ,_fegf :=range _aggf .Elements (){switch _gcde :=_fegf .(type ){case *PdfObjectInteger :_fgea =append (_fgea ,float64 (*_gcde ));case *PdfObjectFloat :_fgea =append (_fgea ,float64 (*_gcde ));
default:return nil ,ErrTypeError ;};};return _fgea ,nil ;};

// DecodeBytes decodes a slice of ASCII encoded bytes and returns the result.
func (_dfdf *ASCIIHexEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_cafc :=_ae .NewReader (encoded );var _accc []byte ;for {_eaeg ,_bfe :=_cafc .ReadByte ();if _bfe !=nil {return nil ,_bfe ;};if _eaeg =='>'{break ;};if IsWhiteSpace (_eaeg ){continue ;
};if (_eaeg >='a'&&_eaeg <='f')||(_eaeg >='A'&&_eaeg <='F')||(_eaeg >='0'&&_eaeg <='9'){_accc =append (_accc ,_eaeg );}else {_cdd .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",_eaeg );
return nil ,_b .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",_eaeg );};};if len (_accc )%2==1{_accc =append (_accc ,'0');
};_cdd .Log .Trace ("\u0049\u006e\u0062\u006f\u0075\u006e\u0064\u0020\u0025\u0073",_accc );_ceg :=make ([]byte ,_gg .DecodedLen (len (_accc )));_ ,_face :=_gg .Decode (_ceg ,_accc );if _face !=nil {return nil ,_face ;};return _ceg ,nil ;};func (_ffgb *PdfParser )lookupByNumber (_ebce int ,_daf bool )(PdfObject ,bool ,error ){_aeg ,_baf :=_ffgb .ObjCache [_ebce ];
if _baf {_cdd .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",_ebce );return _aeg ,false ,nil ;};if _ffgb ._geec ==nil {_ffgb ._geec =map[int ]bool {};
};if _ffgb ._geec [_ebce ]{_cdd .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",_ebce );
return nil ,false ,_eg .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");};_ffgb ._geec [_ebce ]=true ;defer delete (_ffgb ._geec ,_ebce );
_dc ,_baf :=_ffgb ._gcebb .ObjectMap [_ebce ];if !_baf {_cdd .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 _dba PdfObjectNull ;return &_dba ,false ,nil ;};_cdd .Log .Trace ("L\u006fo\u006b\u0075\u0070\u0020\u006f\u0062\u006a\u0020n\u0075\u006d\u0062\u0065r \u0025\u0064",_ebce );if _dc .XType ==XrefTypeTableEntry {_cdd .Log .Trace ("\u0078r\u0065f\u006f\u0062\u006a\u0020\u006fb\u006a\u0020n\u0075\u006d\u0020\u0025\u0064",_dc .ObjectNumber );
_cdd .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u0067e\u006e\u0020\u0025\u0064",_dc .Generation );_cdd .Log .Trace ("\u0078\u0072\u0065\u0066\u006f\u0062\u006a\u0020\u006f\u0066\u0066\u0073e\u0074\u0020\u0025\u0064",_dc .Offset );_ffgb ._bcda .Seek (_dc .Offset ,_gc .SeekStart );
_ffgb ._cegf =_fg .NewReader (_ffgb ._bcda );_bfb ,_cdf :=_ffgb .ParseIndirectObject ();if _cdf !=nil {_cdd .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",_cdf );
if _daf {_cdd .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");_ffe ,_dfg :=_ffgb .repairRebuildXrefsTopDown ();
if _dfg !=nil {_cdd .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0046\u0061\u0069\u006c\u0065\u0064\u0020r\u0065\u0070\u0061\u0069\u0072\u0020\u0028\u0025\u0073\u0029",_dfg );return nil ,false ,_dfg ;};_ffgb ._gcebb =*_ffe ;return _ffgb .lookupByNumber (_ebce ,false );
};return nil ,false ,_cdf ;};if _daf {_cfd ,_ ,_ :=_agf (_bfb );if int (_cfd )!=_ebce {_cdd .Log .Debug ("\u0049n\u0076\u0061\u006c\u0069d\u0020\u0078\u0072\u0065\u0066s\u003a \u0052e\u0062\u0075\u0069\u006c\u0064\u0069\u006eg");_cfdb :=_ffgb .rebuildXrefTable ();
if _cfdb !=nil {return nil ,false ,_cfdb ;};_ffgb .ObjCache =objectCache {};return _ffgb .lookupByNumberWrapper (_ebce ,false );};};_cdd .Log .Trace ("\u0052\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006f\u0062\u006a");_ffgb .ObjCache [_ebce ]=_bfb ;
return _bfb ,false ,nil ;}else if _dc .XType ==XrefTypeObjectStream {_cdd .Log .Trace ("\u0078r\u0065\u0066\u0020\u0066\u0072\u006f\u006d\u0020\u006f\u0062\u006ae\u0063\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d\u0021");_cdd .Log .Trace ("\u003e\u004c\u006f\u0061\u0064\u0020\u0076\u0069\u0061\u0020\u004f\u0053\u0021");
_cdd .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",_dc .OsObjNumber ,_dc .OsObjIndex );
if _dc .OsObjNumber ==_ebce {_cdd .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 ,_eg .New ("\u0078\u0072\u0065f \u0063\u0069\u0072\u0063\u0075\u006c\u0061\u0072\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
};if _ ,_daa :=_ffgb ._gcebb .ObjectMap [_dc .OsObjNumber ];_daa {_bee ,_dgd :=_ffgb .lookupObjectViaOS (_dc .OsObjNumber ,_ebce );if _dgd !=nil {_cdd .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020\u0052\u0065\u0074\u0075\u0072\u006e\u0069n\u0067\u0020\u0045\u0052\u0052\u0020\u0028\u0025\u0073\u0029",_dgd );
return nil ,true ,_dgd ;};_cdd .Log .Trace ("\u003c\u004c\u006f\u0061\u0064\u0065\u0064\u0020\u0076i\u0061\u0020\u004f\u0053");_ffgb .ObjCache [_ebce ]=_bee ;if _ffgb ._aegc !=nil {_ffgb ._aegc ._bedc [_bee ]=true ;};return _bee ,true ,nil ;};_cdd .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 ,_eg .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 ,_eg .New ("\u0075\u006e\u006b\u006e\u006f\u0077\u006e\u0020\u0078\u0072\u0065\u0066 \u0074\u0079\u0070\u0065");};

// 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 )(_fdgc *PdfObjectStreams ,_bbdeb bool ){_fdgc ,_bbdeb =obj .(*PdfObjectStreams );return _fdgc ,_bbdeb ;};

// GetCrypter returns the PdfCrypt instance which has information about the PDFs encryption.
func (_cbfg *PdfParser )GetCrypter ()*PdfCrypt {return _cbfg ._aegc };func _dec (_badc *PdfObjectStream )(*MultiEncoder ,error ){_dgef :=NewMultiEncoder ();_bgbg :=_badc .PdfObjectDictionary ;if _bgbg ==nil {return _dgef ,nil ;};var _ecbb *PdfObjectDictionary ;
var _cbee []PdfObject ;_fegg :=_bgbg .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _fegg !=nil {_ecff ,_fffg :=_fegg .(*PdfObjectDictionary );if _fffg {_ecbb =_ecff ;};_egcg ,_fbgf :=_fegg .(*PdfObjectArray );if _fbgf {for _ ,_gcdf :=range _egcg .Elements (){_gcdf =TraceToDirectObject (_gcdf );
if _faffc ,_efcb :=_gcdf .(*PdfObjectDictionary );_efcb {_cbee =append (_cbee ,_faffc );}else {_cbee =append (_cbee ,MakeDict ());};};};};_fegg =_bgbg .Get ("\u0046\u0069\u006c\u0074\u0065\u0072");if _fegg ==nil {return nil ,_b .Errorf ("\u0066\u0069\u006c\u0074\u0065\u0072\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");
};_edcf ,_dcaf :=_fegg .(*PdfObjectArray );if !_dcaf {return nil ,_b .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 _edaa ,_ffca :=range _edcf .Elements (){_fbgdg ,_faaea :=_ffca .(*PdfObjectName );if !_faaea {return nil ,_b .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 _fbaf PdfObject ;if _ecbb !=nil {_fbaf =_ecbb ;}else {if len (_cbee )> 0{if _edaa >=len (_cbee ){return nil ,_b .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");
};_fbaf =_cbee [_edaa ];};};var _gbabc *PdfObjectDictionary ;if _becd ,_cag :=_fbaf .(*PdfObjectDictionary );_cag {_gbabc =_becd ;};_cdd .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",*_fbgdg ,_fbaf ,_gbabc );
if *_fbgdg ==StreamEncodingFilterNameFlate {_bcbd ,_cafa :=_bdba (_badc ,_gbabc );if _cafa !=nil {return nil ,_cafa ;};_dgef .AddEncoder (_bcbd );}else if *_fbgdg ==StreamEncodingFilterNameLZW {_fffd ,_dcbe :=_fedc (_badc ,_gbabc );if _dcbe !=nil {return nil ,_dcbe ;
};_dgef .AddEncoder (_fffd );}else if *_fbgdg ==StreamEncodingFilterNameASCIIHex {_eeeg :=NewASCIIHexEncoder ();_dgef .AddEncoder (_eeeg );}else if *_fbgdg ==StreamEncodingFilterNameASCII85 {_afge :=NewASCII85Encoder ();_dgef .AddEncoder (_afge );}else if *_fbgdg ==StreamEncodingFilterNameDCT {_bdec ,_dbcg :=_ebeb (_badc ,_dgef );
if _dbcg !=nil {return nil ,_dbcg ;};_dgef .AddEncoder (_bdec );_cdd .Log .Trace ("A\u0064d\u0065\u0064\u0020\u0044\u0043\u0054\u0020\u0065n\u0063\u006f\u0064\u0065r.\u002e\u002e");_cdd .Log .Trace ("\u004du\u006ct\u0069\u0020\u0065\u006e\u0063o\u0064\u0065r\u003a\u0020\u0025\u0023\u0076",_dgef );
}else if *_fbgdg ==StreamEncodingFilterNameCCITTFax {_fegd ,_gagbd :=_ecgf (_badc ,_gbabc );if _gagbd !=nil {return nil ,_gagbd ;};_dgef .AddEncoder (_fegd );}else {_cdd .Log .Error ("U\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0066\u0069l\u0074\u0065\u0072\u0020\u0025\u0073",*_fbgdg );
return nil ,_b .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 _dgef ,nil ;};

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

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

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

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

// ASCIIHexEncoder implements ASCII hex encoder/decoder.
type ASCIIHexEncoder struct{};func (_gda *PdfParser )parseDetailedHeader ()(_eeea error ){_gda ._bcda .Seek (0,_gc .SeekStart );_gda ._cegf =_fg .NewReader (_gda ._bcda );_fff :=20;_gefb :=make ([]byte ,_fff );var (_gbfg bool ;_bdea int ;);for {_afdg ,_dbbb :=_gda ._cegf .ReadByte ();
if _dbbb !=nil {if _dbbb ==_gc .EOF {break ;}else {return _dbbb ;};};if IsDecimalDigit (_afdg )&&_gefb [_fff -1]=='.'&&IsDecimalDigit (_gefb [_fff -2])&&_gefb [_fff -3]=='-'&&_gefb [_fff -4]=='F'&&_gefb [_fff -5]=='D'&&_gefb [_fff -6]=='P'&&_gefb [_fff -7]=='%'{_gda ._cdbd =Version {Major :int (_gefb [_fff -2]-'0'),Minor :int (_afdg -'0')};
_gda ._cdcc ._fce =_bdea -7;_gbfg =true ;break ;};_bdea ++;_gefb =append (_gefb [1:_fff ],_afdg );};if !_gbfg {return _b .Errorf ("n\u006f \u0066\u0069\u006c\u0065\u0020\u0068\u0065\u0061d\u0065\u0072\u0020\u0066ou\u006e\u0064");};_ffee ,_eeea :=_gda ._cegf .ReadByte ();
if _eeea ==_gc .EOF {return _b .Errorf ("\u006eo\u0074\u0020\u0061\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0050d\u0066\u0020\u0064\u006f\u0063\u0075\u006d\u0065\u006e\u0074");};if _eeea !=nil {return _eeea ;};_gda ._cdcc ._dfea =_ffee =='\n';_ffee ,_eeea =_gda ._cegf .ReadByte ();
if _eeea !=nil {return _b .Errorf ("\u006e\u006f\u0074\u0020a\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0070\u0064\u0066 \u0064o\u0063\u0075\u006d\u0065\u006e\u0074\u003a \u0025\u0077",_eeea );};if _ffee !='%'{return nil ;};_gag :=make ([]byte ,4);_ ,_eeea =_gda ._cegf .Read (_gag );
if _eeea !=nil {return _b .Errorf ("\u006e\u006f\u0074\u0020a\u0020\u0076\u0061\u006c\u0069\u0064\u0020\u0070\u0064\u0066 \u0064o\u0063\u0075\u006d\u0065\u006e\u0074\u003a \u0025\u0077",_eeea );};_gda ._cdcc ._gef =[4]byte {_gag [0],_gag [1],_gag [2],_gag [3]};
return nil ;};

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

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

// 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 (_cgcg *MultiEncoder )GetFilterName ()string {_aecb :="";for _cbec ,_gacg :=range _cgcg ._aeab {_aecb +=_gacg .GetFilterName ();if _cbec < len (_cgcg ._aeab )-1{_aecb +="\u0020";};};return _aecb ;};

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

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

// 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 (_feef *PdfObjectArray )ToInt64Slice ()([]int64 ,error ){var _cbcd []int64 ;for _ ,_cddd :=range _feef .Elements (){if _cgeed ,_fged :=_cddd .(*PdfObjectInteger );_fged {_cbcd =append (_cbcd ,int64 (*_cgeed ));}else {return nil ,ErrTypeError ;};};
return _cbcd ,nil ;};

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

// Update updates multiple keys and returns the dictionary back so can be used in a chained fashion.
func (_cbgde *PdfObjectDictionary )Update (objmap map[string ]PdfObject )*PdfObjectDictionary {for _deabg ,_gfdg :=range objmap {_cbgde .Set (PdfObjectName (_deabg ),_gfdg );};return _cbgde ;};func (_cedgg *PdfParser )parsePdfVersion ()(int ,int ,error ){var _eegf int64 =20;
_gcbg :=make ([]byte ,_eegf );_cedgg ._bcda .Seek (0,_gc .SeekStart );_cedgg ._bcda .Read (_gcbg );var _cfcf error ;var _cdfb ,_dcge int ;if _dgfaf :=_cgcb .FindStringSubmatch (string (_gcbg ));len (_dgfaf )< 3{if _cdfb ,_dcge ,_cfcf =_cedgg .seekPdfVersionTopDown ();
_cfcf !=nil {_cdd .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,_cfcf ;
};_cedgg ._bcda ,_cfcf =_cadc (_cedgg ._bcda ,_cedgg .GetFileOffset ()-8);if _cfcf !=nil {return 0,0,_cfcf ;};}else {if _cdfb ,_cfcf =_d .Atoi (_dgfaf [1]);_cfcf !=nil {return 0,0,_cfcf ;};if _dcge ,_cfcf =_d .Atoi (_dgfaf [2]);_cfcf !=nil {return 0,0,_cfcf ;
};_cedgg .SetFileOffset (0);};_cedgg ._cegf =_fg .NewReader (_cedgg ._bcda );_cdd .Log .Debug ("\u0050\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_cdfb ,_dcge );return _cdfb ,_dcge ,nil ;};const (XrefTypeTableEntry xrefType =iota ;
XrefTypeObjectStream xrefType =iota ;);

// DecodeBytes decodes a multi-encoded slice of bytes by passing it through the
// DecodeBytes method of the underlying encoders.
func (_cafda *MultiEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_gbdg :=encoded ;var _dddg error ;for _ ,_fag :=range _cafda ._aeab {_cdd .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",_fag ,_fag );
_gbdg ,_dddg =_fag .DecodeBytes (_gbdg );if _dddg !=nil {return nil ,_dddg ;};};return _gbdg ,nil ;};

// DecodeStream decodes a LZW encoded stream and returns the result as a
// slice of bytes.
func (_fcfb *LZWEncoder )DecodeStream (streamObj *PdfObjectStream )([]byte ,error ){_cdd .Log .Trace ("\u004c\u005a\u0057 \u0044\u0065\u0063\u006f\u0064\u0069\u006e\u0067");_cdd .Log .Trace ("\u0050\u0072\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u003a\u0020\u0025\u0064",_fcfb .Predictor );
_dgcd ,_ffd :=_fcfb .DecodeBytes (streamObj .Stream );if _ffd !=nil {return nil ,_ffd ;};_cdd .Log .Trace ("\u0020\u0049\u004e\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (streamObj .Stream ),streamObj .Stream );_cdd .Log .Trace ("\u004f\u0055\u0054\u003a\u0020\u0028\u0025\u0064\u0029\u0020\u0025\u0020\u0078",len (_dgcd ),_dgcd );
if _fcfb .Predictor > 1{if _fcfb .Predictor ==2{_cdd .Log .Trace ("\u0054\u0069\u0066\u0066\u0020\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067");_dcagc :=_fcfb .Columns *_fcfb .Colors ;if _dcagc < 1{return []byte {},nil ;};_cddf :=len (_dgcd )/_dcagc ;
if len (_dgcd )%_dcagc !=0{_cdd .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 ,_b .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 (_dgcd ),_dcagc );};if _dcagc %_fcfb .Colors !=0{return nil ,_b .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",_dcagc ,_fcfb .Colors );
};if _dcagc > len (_dgcd ){_cdd .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",_dcagc ,len (_dgcd ));
return nil ,_eg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_cdd .Log .Trace ("i\u006e\u0070\u0020\u006fut\u0044a\u0074\u0061\u0020\u0028\u0025d\u0029\u003a\u0020\u0025\u0020\u0078",len (_dgcd ),_dgcd );
_ecfa :=_ae .NewBuffer (nil );for _faeed :=0;_faeed < _cddf ;_faeed ++{_dfdc :=_dgcd [_dcagc *_faeed :_dcagc *(_faeed +1)];for _eaff :=_fcfb .Colors ;_eaff < _dcagc ;_eaff ++{_dfdc [_eaff ]=byte (int (_dfdc [_eaff ]+_dfdc [_eaff -_fcfb .Colors ])%256);
};_ecfa .Write (_dfdc );};_gcef :=_ecfa .Bytes ();_cdd .Log .Trace ("\u0050O\u0075t\u0044\u0061\u0074\u0061\u0020(\u0025\u0064)\u003a\u0020\u0025\u0020\u0078",len (_gcef ),_gcef );return _gcef ,nil ;}else if _fcfb .Predictor >=10&&_fcfb .Predictor <=15{_cdd .Log .Trace ("\u0050\u004e\u0047 \u0045\u006e\u0063\u006f\u0064\u0069\u006e\u0067");
_fdba :=_fcfb .Columns *_fcfb .Colors +1;if _fdba < 1{return []byte {},nil ;};_efb :=len (_dgcd )/_fdba ;if len (_dgcd )%_fdba !=0{return nil ,_b .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 (_dgcd ),_fdba );
};if _fdba > len (_dgcd ){_cdd .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",_fdba ,len (_dgcd ));
return nil ,_eg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_dgfaa :=_ae .NewBuffer (nil );_cdd .Log .Trace ("P\u0072\u0065\u0064\u0069ct\u006fr\u0020\u0063\u006f\u006c\u0075m\u006e\u0073\u003a\u0020\u0025\u0064",_fcfb .Columns );
_cdd .Log .Trace ("\u004ce\u006e\u0067\u0074\u0068:\u0020\u0025\u0064\u0020\u002f \u0025d\u0020=\u0020\u0025\u0064\u0020\u0072\u006f\u0077s",len (_dgcd ),_fdba ,_efb );_ecaf :=make ([]byte ,_fdba );for _bbd :=0;_bbd < _fdba ;_bbd ++{_ecaf [_bbd ]=0;};for _ecb :=0;
_ecb < _efb ;_ecb ++{_cabf :=_dgcd [_fdba *_ecb :_fdba *(_ecb +1)];_fdgb :=_cabf [0];switch _fdgb {case 0:case 1:for _edee :=2;_edee < _fdba ;_edee ++{_cabf [_edee ]=byte (int (_cabf [_edee ]+_cabf [_edee -1])%256);};case 2:for _dfcdb :=1;_dfcdb < _fdba ;
_dfcdb ++{_cabf [_dfcdb ]=byte (int (_cabf [_dfcdb ]+_ecaf [_dfcdb ])%256);};default:_cdd .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",_fdgb );
return nil ,_b .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u0069\u006c\u0074\u0065r\u0020\u0062\u0079\u0074\u0065\u0020\u0028\u0025\u0064\u0029",_fdgb );};for _eddb :=0;_eddb < _fdba ;_eddb ++{_ecaf [_eddb ]=_cabf [_eddb ];};_dgfaa .Write (_cabf [1:]);
};_gbgb :=_dgfaa .Bytes ();return _gbgb ,nil ;}else {_cdd .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",_fcfb .Predictor );
return nil ,_b .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",_fcfb .Predictor );};};return _dgcd ,nil ;};

// GetBoolVal returns the bool value within a *PdObjectBool represented by an PdfObject interface directly or indirectly.
// If the PdfObject does not represent a bool value, a default value of false is returned (found = false also).
func GetBoolVal (obj PdfObject )(_bacb bool ,_fgca bool ){_dfbgd ,_fgca :=TraceToDirectObject (obj ).(*PdfObjectBool );if _fgca {return bool (*_dfbgd ),true ;};return false ,false ;};func (_bfcb *PdfParser )parseNull ()(PdfObjectNull ,error ){_ ,_bgebb :=_bfcb ._cegf .Discard (4);
return PdfObjectNull {},_bgebb ;};func _fedc (_bbfb *PdfObjectStream ,_cabd *PdfObjectDictionary )(*LZWEncoder ,error ){_bcbe :=NewLZWEncoder ();_bgf :=_bbfb .PdfObjectDictionary ;if _bgf ==nil {return _bcbe ,nil ;};if _cabd ==nil {_edfg :=TraceToDirectObject (_bgf .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));
if _edfg !=nil {if _ccdc ,_ggbf :=_edfg .(*PdfObjectDictionary );_ggbf {_cabd =_ccdc ;}else if _feeb ,_dbf :=_edfg .(*PdfObjectArray );_dbf {if _feeb .Len ()==1{if _fcdaf ,_dgeg :=GetDict (_feeb .Get (0));_dgeg {_cabd =_fcdaf ;};};};if _cabd ==nil {_cdd .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",_edfg );
return nil ,_b .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};};_gac :=_bgf .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");if _gac !=nil {_ebfb ,_cbab :=_gac .(*PdfObjectInteger );
if !_cbab {_cdd .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",_gac );
return nil ,_b .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0045\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065");};if *_ebfb !=0&&*_ebfb !=1{return nil ,_b .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");
};_bcbe .EarlyChange =int (*_ebfb );}else {_bcbe .EarlyChange =1;};if _cabd ==nil {return _bcbe ,nil ;};if _cebc ,_agd :=GetIntVal (_cabd .Get ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065"));_agd {if _cebc ==0||_cebc ==1{_bcbe .EarlyChange =_cebc ;
}else {_cdd .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",_cebc );};};_gac =_cabd .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");
if _gac !=nil {_fdee ,_dcbb :=_gac .(*PdfObjectInteger );if !_dcbb {_cdd .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",_gac );
return nil ,_b .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_bcbe .Predictor =int (*_fdee );};_gac =_cabd .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _gac !=nil {_caf ,_gdbf :=_gac .(*PdfObjectInteger );if !_gdbf {_cdd .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 ,_b .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_bcbe .BitsPerComponent =int (*_caf );};if _bcbe .Predictor > 1{_bcbe .Columns =1;_gac =_cabd .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _gac !=nil {_cbc ,_dbaf :=_gac .(*PdfObjectInteger );if !_dbaf {return nil ,_b .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_bcbe .Columns =int (*_cbc );
};_bcbe .Colors =1;_gac =_cabd .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _gac !=nil {_dgfa ,_ccf :=_gac .(*PdfObjectInteger );if !_ccf {return nil ,_b .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");
};_bcbe .Colors =int (*_dgfa );};};_cdd .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_cabd .String ());return _bcbe ,nil ;};type cryptFilters map[string ]_be .Filter ;

// GetXrefType returns the type of the first xref object (table or stream).
func (_cbde *PdfParser )GetXrefType ()*xrefType {return _cbde ._bgbb };func (_dfa *PdfCrypt )saveCryptFilters (_fbe *PdfObjectDictionary )error {if _dfa ._fee .V < 4{return _eg .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");
};_cfc :=MakeDict ();_fbe .Set ("\u0043\u0046",_cfc );for _cecba ,_deed :=range _dfa ._afae {if _cecba =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{continue ;};_gec :=_bebf (_deed ,"");_cfc .Set (PdfObjectName (_cecba ),_gec );};_fbe .Set ("\u0053\u0074\u0072\u0046",MakeName (_dfa ._ab ));
_fbe .Set ("\u0053\u0074\u006d\u0046",MakeName (_dfa ._aeeb ));return nil ;};

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

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

// StreamEncoder represents the interface for all PDF stream encoders.
type StreamEncoder interface{GetFilterName ()string ;MakeDecodeParams ()PdfObject ;MakeStreamDict ()*PdfObjectDictionary ;UpdateParams (_bad *PdfObjectDictionary );EncodeBytes (_eddf []byte )([]byte ,error );DecodeBytes (_cfcd []byte )([]byte ,error );
DecodeStream (_abgf *PdfObjectStream )([]byte ,error );};var _ffge =_a .MustCompile ("\u005b\\\u0072\u005c\u006e\u005d\u005c\u0073\u002a\u0028\u0078\u0072\u0065f\u0029\u005c\u0073\u002a\u005b\u005c\u0072\u005c\u006e\u005d");

// Clear resets the array to an empty state.
func (_gdgfg *PdfObjectArray )Clear (){_gdgfg ._effaa =[]PdfObject {}};var _bcbf =_a .MustCompile ("\u0073t\u0061r\u0074\u0078\u003f\u0072\u0065f\u005c\u0073*\u0028\u005c\u0064\u002b\u0029");

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

// ReadBytesAt reads byte content at specific offset and length within the PDF.
func (_acf *PdfParser )ReadBytesAt (offset ,len int64 )([]byte ,error ){_cbdg :=_acf .GetFileOffset ();_ ,_abad :=_acf ._bcda .Seek (offset ,_gc .SeekStart );if _abad !=nil {return nil ,_abad ;};_bgbd :=make ([]byte ,len );_ ,_abad =_gc .ReadAtLeast (_acf ._bcda ,_bgbd ,int (len ));
if _abad !=nil {return nil ,_abad ;};_acf .SetFileOffset (_cbdg );return _bgbd ,nil ;};

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

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

// 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 *_fg .Reader )(PdfObject ,error ){_dbfd :=false ;_aadff :=true ;var _eeagd _ae .Buffer ;for {if _cdd .Log .IsLogLevel (_cdd .LogLevelTrace ){_cdd .Log .Trace ("\u0050\u0061\u0072\u0073in\u0067\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0022\u0025\u0073\u0022",_eeagd .String ());
};_egec ,_fgcae :=buf .Peek (1);if _fgcae ==_gc .EOF {break ;};if _fgcae !=nil {_cdd .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0025\u0073",_fgcae );return nil ,_fgcae ;};if _aadff &&(_egec [0]=='-'||_egec [0]=='+'){_bddeb ,_ :=buf .ReadByte ();
_eeagd .WriteByte (_bddeb );_aadff =false ;}else if IsDecimalDigit (_egec [0]){_bfee ,_ :=buf .ReadByte ();_eeagd .WriteByte (_bfee );}else if _egec [0]=='.'{_eacea ,_ :=buf .ReadByte ();_eeagd .WriteByte (_eacea );_dbfd =true ;}else if _egec [0]=='e'||_egec [0]=='E'{_ebcd ,_ :=buf .ReadByte ();
_eeagd .WriteByte (_ebcd );_dbfd =true ;_aadff =true ;}else {break ;};};var _abbf PdfObject ;if _dbfd {_fbfb ,_ffddc :=_d .ParseFloat (_eeagd .String (),64);if _ffddc !=nil {_cdd .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",_eeagd .String (),_ffddc );
_fbfb =0.0;};_cfcb :=PdfObjectFloat (_fbfb );_abbf =&_cfcb ;}else {_fdea ,_ebeae :=_d .ParseInt (_eeagd .String (),10,64);if _ebeae !=nil {_cdd .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",_eeagd .String (),_ebeae );
_fdea =0;};_cegc :=PdfObjectInteger (_fdea );_abbf =&_cegc ;};return _abbf ,nil ;};

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

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

// 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 )(_egdb *PdfObjectName ,_feee bool ){_egdb ,_feee =TraceToDirectObject (obj ).(*PdfObjectName );return _egdb ,_feee ;};func (_fddbb *PdfParser )repairLocateXref ()(int64 ,error ){_afga :=int64 (1000);_fddbb ._bcda .Seek (-_afga ,_gc .SeekCurrent );
_dafc ,_bcgef :=_fddbb ._bcda .Seek (0,_gc .SeekCurrent );if _bcgef !=nil {return 0,_bcgef ;};_bbeg :=make ([]byte ,_afga );_fddbb ._bcda .Read (_bbeg );_fagc :=_ffge .FindAllStringIndex (string (_bbeg ),-1);if len (_fagc )< 1{_cdd .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,_eg .New ("\u0072\u0065\u0070\u0061ir\u003a\u0020\u0078\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064");};_bbdf :=int64 (_fagc [len (_fagc )-1][0]);_fdaeb :=_dafc +_bbdf ;return _fdaeb ,nil ;};const (JB2Generic JBIG2CompressionType =iota ;
JB2SymbolCorrelation ;JB2SymbolRankHaus ;);

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

// 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 (_aebd *RunLengthEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_gdef :=_ae .NewReader (encoded );var _cfgc []byte ;for {_bff ,_eage :=_gdef .ReadByte ();if _eage !=nil {return nil ,_eage ;};if _bff > 128{_bade ,_eef :=_gdef .ReadByte ();if _eef !=nil {return nil ,_eef ;
};for _bgad :=0;_bgad < 257-int (_bff );_bgad ++{_cfgc =append (_cfgc ,_bade );};}else if _bff < 128{for _egag :=0;_egag < int (_bff )+1;_egag ++{_efg ,_dfag :=_gdef .ReadByte ();if _dfag !=nil {return nil ,_dfag ;};_cfgc =append (_cfgc ,_efg );};}else {break ;
};};return _cfgc ,nil ;};

// DecodeBytes decodes a slice of DCT encoded bytes and returns the result.
func (_gfd *DCTEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_efcg :=_ae .NewReader (encoded );_geag ,_gcbd :=_c .Decode (_efcg );if _gcbd !=nil {_cdd .Log .Debug ("\u0045r\u0072\u006f\u0072\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006eg\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_gcbd );
return nil ,_gcbd ;};_faaa :=_geag .Bounds ();var _bcag =make ([]byte ,_faaa .Dx ()*_faaa .Dy ()*_gfd .ColorComponents *_gfd .BitsPerComponent /8);_afbeb :=0;for _eggd :=_faaa .Min .Y ;_eggd < _faaa .Max .Y ;_eggd ++{for _gcf :=_faaa .Min .X ;_gcf < _faaa .Max .X ;
_gcf ++{_ebbfe :=_geag .At (_gcf ,_eggd );if _gfd .ColorComponents ==1{if _gfd .BitsPerComponent ==16{_ggce ,_ffgf :=_ebbfe .(_db .Gray16 );if !_ffgf {return nil ,_eg .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_bcag [_afbeb ]=byte ((_ggce .Y >>8)&0xff);_afbeb ++;_bcag [_afbeb ]=byte (_ggce .Y &0xff);_afbeb ++;}else {_dgcg ,_cbaf :=_ebbfe .(_db .Gray );if !_cbaf {return nil ,_eg .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_bcag [_afbeb ]=_dgcg .Y &0xff;_afbeb ++;};}else if _gfd .ColorComponents ==3{if _gfd .BitsPerComponent ==16{_edeg ,_gfca :=_ebbfe .(_db .RGBA64 );if !_gfca {return nil ,_eg .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};_bcag [_afbeb ]=byte ((_edeg .R >>8)&0xff);_afbeb ++;_bcag [_afbeb ]=byte (_edeg .R &0xff);_afbeb ++;_bcag [_afbeb ]=byte ((_edeg .G >>8)&0xff);_afbeb ++;_bcag [_afbeb ]=byte (_edeg .G &0xff);_afbeb ++;_bcag [_afbeb ]=byte ((_edeg .B >>8)&0xff);_afbeb ++;
_bcag [_afbeb ]=byte (_edeg .B &0xff);_afbeb ++;}else {_bcga ,_fbc :=_ebbfe .(_db .RGBA );if _fbc {_bcag [_afbeb ]=_bcga .R &0xff;_afbeb ++;_bcag [_afbeb ]=_bcga .G &0xff;_afbeb ++;_bcag [_afbeb ]=_bcga .B &0xff;_afbeb ++;}else {_dde ,_add :=_ebbfe .(_db .YCbCr );
if !_add {return nil ,_eg .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");};_egff ,_ffgae ,_fdae ,_ :=_dde .RGBA ();_bcag [_afbeb ]=byte (_egff >>8);_afbeb ++;_bcag [_afbeb ]=byte (_ffgae >>8);_afbeb ++;_bcag [_afbeb ]=byte (_fdae >>8);
_afbeb ++;};};}else if _gfd .ColorComponents ==4{_cabc ,_cfda :=_ebbfe .(_db .CMYK );if !_cfda {return nil ,_eg .New ("\u0063\u006fl\u006f\u0072\u0020t\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");};_bcag [_afbeb ]=255-_cabc .C &0xff;_afbeb ++;
_bcag [_afbeb ]=255-_cabc .M &0xff;_afbeb ++;_bcag [_afbeb ]=255-_cabc .Y &0xff;_afbeb ++;_bcag [_afbeb ]=255-_cabc .K &0xff;_afbeb ++;};};};return _bcag ,nil ;};func _agf (_ffc PdfObject )(int64 ,int64 ,error ){if _ebg ,_ce :=_ffc .(*PdfIndirectObject );
_ce {return _ebg .ObjectNumber ,_ebg .GenerationNumber ,nil ;};if _gce ,_dbc :=_ffc .(*PdfObjectStream );_dbc {return _gce .ObjectNumber ,_gce .GenerationNumber ,nil ;};return 0,0,_eg .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");
};

// 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 )(_aeef *PdfObjectBool ,_aeac bool ){_aeef ,_aeac =TraceToDirectObject (obj ).(*PdfObjectBool );return _aeef ,_aeac ;};

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

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

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

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

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

// PdfParser parses a PDF file and provides access to the object structure of the PDF.
type PdfParser struct{_cdbd Version ;_bcda _gc .ReadSeeker ;_cegf *_fg .Reader ;_afgg int64 ;_gcebb XrefTable ;_efdcf int64 ;_bgbb *xrefType ;_eebb objectStreams ;_debe *PdfObjectDictionary ;_aegc *PdfCrypt ;_fdad *PdfIndirectObject ;_gece bool ;ObjCache objectCache ;
_geec map[int ]bool ;_gddg map[int64 ]bool ;_cdcc ParserMetadata ;_gaff bool ;};

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

// PdfCryptNewEncrypt makes the document crypt handler based on a specified crypt filter.
func PdfCryptNewEncrypt (cf _be .Filter ,userPass ,ownerPass []byte ,perm _bd .Permissions )(*PdfCrypt ,*EncryptInfo ,error ){_ecae :=&PdfCrypt {_bfbc :make (map[PdfObject ]bool ),_afae :make (cryptFilters ),_fd :_bd .StdEncryptDict {P :perm ,EncryptMetadata :true }};
var _fae Version ;if cf !=nil {_deab :=cf .PDFVersion ();_fae .Major ,_fae .Minor =_deab [0],_deab [1];V ,R :=cf .HandlerVersion ();_ecae ._fee .V =V ;_ecae ._fd .R =R ;_ecae ._fee .Length =cf .KeyLength ()*8;};const (_bbe =_eee ;);_ecae ._afae [_bbe ]=cf ;
if _ecae ._fee .V >=4{_ecae ._aeeb =_bbe ;_ecae ._ab =_bbe ;};_ffb :=_ecae .newEncryptDict ();_dca :=_fb .Sum ([]byte (_eb .Now ().Format (_eb .RFC850 )));_afb :=string (_dca [:]);_fea :=make ([]byte ,100);_de .Read (_fea );_dca =_fb .Sum (_fea );_ecf :=string (_dca [:]);
_cdd .Log .Trace ("\u0052\u0061\u006e\u0064\u006f\u006d\u0020\u0062\u003a\u0020\u0025\u0020\u0078",_fea );_cdd .Log .Trace ("\u0047\u0065\u006e\u0020\u0049\u0064\u0020\u0030\u003a\u0020\u0025\u0020\u0078",_afb );_ecae ._aeb =_afb ;_dcf :=_ecae .generateParams (userPass ,ownerPass );
if _dcf !=nil {return nil ,nil ,_dcf ;};_afg (&_ecae ._fd ,_ffb );if _ecae ._fee .V >=4{if _bda :=_ecae .saveCryptFilters (_ffb );_bda !=nil {return nil ,nil ,_bda ;};};return _ecae ,&EncryptInfo {Version :_fae ,Encrypt :_ffb ,ID0 :_afb ,ID1 :_ecf },nil ;
};

// DecodeBytes decodes the CCITTFax encoded image data.
func (_bcgg *CCITTFaxEncoder )DecodeBytes (encoded []byte )([]byte ,error ){_cbggg :=&_ca .Encoder {K :_bcgg .K ,Columns :_bcgg .Columns ,EndOfLine :_bcgg .EndOfLine ,EndOfBlock :_bcgg .EndOfBlock ,BlackIs1 :_bcgg .BlackIs1 ,DamagedRowsBeforeError :_bcgg .DamagedRowsBeforeError ,Rows :_bcgg .Rows ,EncodedByteAlign :_bcgg .EncodedByteAlign };
_eccf ,_fcde :=_cbggg .Decode (encoded );if _fcde !=nil {return nil ,_fcde ;};var _dgdb []byte ;_gebgg :=0;var _gaddg byte ;var _fbca byte ;for _cdea :=range _eccf {if _gaddg !=0{_dgdb =append (_dgdb ,_fbca );_fbca =0;_gebgg ++;_gaddg =0;};for _ggea :=range _eccf [_cdea ]{_fbca |=_eccf [_cdea ][_ggea ]<<(7-_gaddg );
_gaddg ++;if _gaddg ==8{_dgdb =append (_dgdb ,_fbca );_fbca =0;_gebgg ++;_gaddg =0;};};};if _gaddg > 0{_dgdb =append (_dgdb ,_fbca );};return _dgdb ,nil ;};

// WriteString outputs the object as it is to be written to file.
func (_fggdb *PdfObjectStreams )WriteString ()string {var _acffg _ef .Builder ;_acffg .WriteString (_d .FormatInt (_fggdb .ObjectNumber ,10));_acffg .WriteString ("\u0020\u0030\u0020\u0052");return _acffg .String ();};func (_ggdg *PdfCrypt )encryptBytes (_cde []byte ,_aace string ,_deee []byte )([]byte ,error ){_cdd .Log .Trace ("\u0045\u006e\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");
_gdb ,_dgb :=_ggdg ._afae [_aace ];if !_dgb {return nil ,_b .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_aace );};return _gdb .EncryptBytes (_cde ,_deee );};

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

// 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 ))};

// 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 (_dgfc *JBIG2Encoder )EncodeBytes (data []byte )([]byte ,error ){const _aabg ="\u004aB\u0049\u0047\u0032\u0045\u006e\u0063\u006f\u0064\u0065\u0072\u002eE\u006e\u0063\u006f\u0064\u0065\u0042\u0079\u0074\u0065\u0073";if _dgfc .ColorComponents !=1||_dgfc .BitsPerComponent !=1{return nil ,_fe .Errorf (_aabg ,"\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 (_fdaec *_dee .Bitmap ;_decd error ;);_afgc :=(_dgfc .Width *_dgfc .Height )==len (data );if _afgc {_fdaec ,_decd =_dee .NewWithUnpaddedData (_dgfc .Width ,_dgfc .Height ,data );}else {_fdaec ,_decd =_dee .NewWithData (_dgfc .Width ,_dgfc .Height ,data );
};if _decd !=nil {return nil ,_decd ;};_gada :=_dgfc .DefaultPageSettings ;if _decd =_gada .Validate ();_decd !=nil {return nil ,_fe .Wrap (_decd ,_aabg ,"");};if _dgfc ._gcec ==nil {_dgfc ._gcec =_bb .InitEncodeDocument (_gada .FileMode );};switch _gada .Compression {case JB2Generic :if _decd =_dgfc ._gcec .AddGenericPage (_fdaec ,_gada .DuplicatedLinesRemoval );
_decd !=nil {return nil ,_fe .Wrap (_decd ,_aabg ,"");};case JB2SymbolCorrelation :return nil ,_fe .Error (_aabg ,"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 ,_fe .Error (_aabg ,"\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 ,_fe .Error (_aabg ,"\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 _dgfc .Encode ();};

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

// HasInvalidHexRunes implements core.ParserMetadata interface.
func (_ebde ParserMetadata )HasInvalidHexRunes ()bool {return _ebde ._adef };func _addb (_gbbb ,_ccbf ,_bfab uint8 )uint8 {_eagee :=int (_bfab );_fdfc :=int (_ccbf )-_eagee ;_dggb :=int (_gbbb )-_eagee ;_eagee =_ddad (_fdfc +_dggb );_fdfc =_ddad (_fdfc );
_dggb =_ddad (_dggb );if _fdfc <=_dggb &&_fdfc <=_eagee {return _gbbb ;}else if _dggb <=_eagee {return _ccbf ;};return _bfab ;};

// 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 ;};

// 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 _gc .ReadSeeker )(*PdfParser ,error ){_cbddd :=&PdfParser {_bcda :rs ,ObjCache :make (objectCache ),_gddg :map[int64 ]bool {}};_gggb ,_ffdbb ,_faec :=_cbddd .parsePdfVersion ();if _faec !=nil {_cdd .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",_faec );
return nil ,_faec ;};_cbddd ._cdbd .Major =_gggb ;_cbddd ._cdbd .Minor =_ffdbb ;if _cbddd ._debe ,_faec =_cbddd .loadXrefs ();_faec !=nil {_cdd .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",_faec );
return nil ,_faec ;};_cdd .Log .Trace ("T\u0072\u0061\u0069\u006c\u0065\u0072\u003a\u0020\u0025\u0073",_cbddd ._debe );if len (_cbddd ._gcebb .ObjectMap )==0{return nil ,_b .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 _cbddd ,nil ;};func (_cgac *PdfParser )seekPdfVersionTopDown ()(int ,int ,error ){_cgac ._bcda .Seek (0,_gc .SeekStart );_cgac ._cegf =_fg .NewReader (_cgac ._bcda );_edafg :=20;_bfcc :=make ([]byte ,_edafg );for {_eeaf ,_dgfgc :=_cgac ._cegf .ReadByte ();
if _dgfgc !=nil {if _dgfgc ==_gc .EOF {break ;}else {return 0,0,_dgfgc ;};};if IsDecimalDigit (_eeaf )&&_bfcc [_edafg -1]=='.'&&IsDecimalDigit (_bfcc [_edafg -2])&&_bfcc [_edafg -3]=='-'&&_bfcc [_edafg -4]=='F'&&_bfcc [_edafg -5]=='D'&&_bfcc [_edafg -6]=='P'{_dafe :=int (_bfcc [_edafg -2]-'0');
_febb :=int (_eeaf -'0');return _dafe ,_febb ,nil ;};_bfcc =append (_bfcc [1:_edafg ],_eeaf );};return 0,0,_eg .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};

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

// HeaderPosition gets the file header position.
func (_gegc ParserMetadata )HeaderPosition ()int {return _gegc ._fce };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";);

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_dffb *RawEncoder )MakeStreamDict ()*PdfObjectDictionary {return MakeDict ()};var _cgcb =_a .MustCompile ("\u0025P\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");func (_gbfe *PdfParser )repairSeekXrefMarker ()error {_eegg ,_ggbfff :=_gbfe ._bcda .Seek (0,_gc .SeekEnd );
if _ggbfff !=nil {return _ggbfff ;};_cebb :=_a .MustCompile ("\u005cs\u0078\u0072\u0065\u0066\u005c\u0073*");var _gegf int64 ;var _dcgg int64 =1000;for _gegf < _eegg {if _eegg <=(_dcgg +_gegf ){_dcgg =_eegg -_gegf ;};_ ,_fbbb :=_gbfe ._bcda .Seek (-_gegf -_dcgg ,_gc .SeekEnd );
if _fbbb !=nil {return _fbbb ;};_fdbbc :=make ([]byte ,_dcgg );_gbfe ._bcda .Read (_fdbbc );_cdd .Log .Trace ("\u004c\u006f\u006fki\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0078\u0072\u0065\u0066\u0020\u003a\u0020\u0022\u0025\u0073\u0022",string (_fdbbc ));
_bedg :=_cebb .FindAllStringIndex (string (_fdbbc ),-1);if _bedg !=nil {_cbfaf :=_bedg [len (_bedg )-1];_cdd .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_bedg );_gbfe ._bcda .Seek (-_gegf -_dcgg +int64 (_cbfaf [0]),_gc .SeekEnd );_gbfe ._cegf =_fg .NewReader (_gbfe ._bcda );
for {_dgbf ,_badcg :=_gbfe ._cegf .Peek (1);if _badcg !=nil {return _badcg ;};_cdd .Log .Trace ("\u0042\u003a\u0020\u0025\u0064\u0020\u0025\u0063",_dgbf [0],_dgbf [0]);if !IsWhiteSpace (_dgbf [0]){break ;};_gbfe ._cegf .Discard (1);};return nil ;};_cdd .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");
_gegf +=_dcgg ;};_cdd .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 _eg .New ("\u0078r\u0065f\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020");};

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

// ResolveReference resolves reference if `o` is a *PdfObjectReference and returns the object referenced to.
// Otherwise returns back `o`.
func ResolveReference (obj PdfObject )PdfObject {if _abgfg ,_dgce :=obj .(*PdfObjectReference );_dgce {return _abgfg .Resolve ();};return obj ;};func (_fdfg *PdfCrypt )securityHandler ()_bd .StdHandler {if _fdfg ._fd .R >=5{return _bd .NewHandlerR6 ();
};return _bd .NewHandlerR4 (_fdfg ._aeb ,_fdfg ._fee .Length );};func _bag (_cec *_bd .StdEncryptDict ,_dbgd *PdfObjectDictionary )error {R ,_fef :=_dbgd .Get ("\u0052").(*PdfObjectInteger );if !_fef {return _eg .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 _b .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0052 \u0028\u0025\u0064\u0029",*R );};_cec .R =int (*R );O ,_fef :=_dbgd .GetString ("\u004f");if !_fef {return _eg .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 _cec .R ==5||_cec .R ==6{if len (O )< 48{return _b .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 _b .Errorf ("L\u0065n\u0067\u0074\u0068\u0028\u004f\u0029\u0020\u0021=\u0020\u0033\u0032\u0020(%\u0064\u0029",len (O ));
};_cec .O =[]byte (O );U ,_fef :=_dbgd .GetString ("\u0055");if !_fef {return _eg .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 _cec .R ==5||_cec .R ==6{if len (U )< 48{return _b .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{_cdd .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 ));};_cec .U =[]byte (U );if _cec .R >=5{OE ,_gdfa :=_dbgd .GetString ("\u004f\u0045");
if !_gdfa {return _eg .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 _b .Errorf ("L\u0065\u006e\u0067\u0074h(\u004fE\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (OE ));
};_cec .OE =[]byte (OE );UE ,_gdfa :=_dbgd .GetString ("\u0055\u0045");if !_gdfa {return _eg .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 _b .Errorf ("L\u0065\u006e\u0067\u0074h(\u0055E\u0029\u0020\u0021\u003d\u00203\u0032\u0020\u0028\u0025\u0064\u0029",len (UE ));};_cec .UE =[]byte (UE );};P ,_fef :=_dbgd .Get ("\u0050").(*PdfObjectInteger );if !_fef {return _eg .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");
};_cec .P =_bd .Permissions (*P );if _cec .R ==6{Perms ,_ggd :=_dbgd .GetString ("\u0050\u0065\u0072m\u0073");if !_ggd {return _eg .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 _b .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 ));};_cec .Perms =[]byte (Perms );};if _cgf ,_fbg :=_dbgd .Get ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061").(*PdfObjectBool );
_fbg {_cec .EncryptMetadata =bool (*_cgf );}else {_cec .EncryptMetadata =true ;};return nil ;};

// DrawableImage is same as golang image/draw's Image interface that allow drawing images.
type DrawableImage interface{ColorModel ()_db .Model ;Bounds ()_eca .Rectangle ;At (_fdd ,_feed int )_db .Color ;Set (_gaae ,_gbeb int ,_bbfbe _db .Color );};

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

// Get returns the PdfObject corresponding to the specified key.
// Returns a nil value if the key is not set.
func (_bcac *PdfObjectDictionary )Get (key PdfObjectName )PdfObject {_bbdc ,_bgcg :=_bcac ._acbd [key ];if !_bgcg {return nil ;};return _bbdc ;};

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

// GetNumbersAsFloat converts a list of pdf objects representing floats or integers to a slice of
// float64 values.
func GetNumbersAsFloat (objects []PdfObject )(_agfe []float64 ,_edaab error ){for _ ,_dbca :=range objects {_acfg ,_fgce :=GetNumberAsFloat (_dbca );if _fgce !=nil {return nil ,_fgce ;};_agfe =append (_agfe ,_acfg );};return _agfe ,nil ;};type encryptDict struct{Filter string ;
V int ;SubFilter string ;Length int ;StmF string ;StrF string ;EFF string ;CF map[string ]_be .FilterDict ;};

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

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

// ID0 and ID1 are IDs used in the trailer. Older algorithms such as RC4 uses them for encryption.
ID0 ,ID1 string ;};func (_eggg *PdfParser )xrefNextObjectOffset (_acca int64 )int64 {_fbga :=int64 (0);if len (_eggg ._gcebb .ObjectMap )==0{return 0;};if len (_eggg ._gcebb ._ff )==0{_aage :=0;for _ ,_efad :=range _eggg ._gcebb .ObjectMap {if _efad .Offset > 0{_aage ++;
};};if _aage ==0{return 0;};_eggg ._gcebb ._ff =make ([]XrefObject ,_aage );_dbfa :=0;for _ ,_fgcdd :=range _eggg ._gcebb .ObjectMap {if _fgcdd .Offset > 0{_eggg ._gcebb ._ff [_dbfa ]=_fgcdd ;_dbfa ++;};};_dg .Slice (_eggg ._gcebb ._ff ,func (_bgadg ,_edcg int )bool {return _eggg ._gcebb ._ff [_bgadg ].Offset < _eggg ._gcebb ._ff [_edcg ].Offset });
};_bgaf :=_dg .Search (len (_eggg ._gcebb ._ff ),func (_aaed int )bool {return _eggg ._gcebb ._ff [_aaed ].Offset >=_acca });if _bgaf < len (_eggg ._gcebb ._ff ){_fbga =_eggg ._gcebb ._ff [_bgaf ].Offset ;};return _fbga ;};

// SetFileOffset sets the file to an offset position and resets buffer.
func (_gded *PdfParser )SetFileOffset (offset int64 ){if offset < 0{offset =0;};_gded ._bcda .Seek (offset ,_gc .SeekStart );_gded ._cegf =_fg .NewReader (_gded ._bcda );};

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

// PdfCrypt provides PDF encryption/decryption support.
// The PDF standard supports encryption of strings and streams (Section 7.6).
type PdfCrypt struct{_fee encryptDict ;_fd _bd .StdEncryptDict ;_aeb string ;_beb []byte ;_bedc map[PdfObject ]bool ;_bfbc map[PdfObject ]bool ;_eafa bool ;_afae cryptFilters ;_aeeb string ;_ab string ;_faee *PdfParser ;_bdf map[int ]struct{};};

// 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 (_effg *PdfParser )ParseIndirectObject ()(PdfObject ,error ){_aeff :=PdfIndirectObject {};_aeff ._ggdd =_effg ;_cdd .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_dfcdcd ,_bgfc :=_effg ._cegf .Peek (20);
if _bgfc !=nil {if _bgfc !=_gc .EOF {_cdd .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 &_aeff ,_bgfc ;
};};_cdd .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_dfcdcd ));_ace :=_cacb .FindStringSubmatchIndex (string (_dfcdcd ));if len (_ace )< 6{if _bgfc ==_gc .EOF {return nil ,_bgfc ;
};_cdd .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 (_dfcdcd ));
return &_aeff ,_eg .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");
};_effg ._cegf .Discard (_ace [0]);_cdd .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_ace );_bfg :=_ace [1]-_ace [0];_agdb :=make ([]byte ,_bfg );_ ,_bgfc =_effg .ReadAtLeast (_agdb ,_bfg );if _bgfc !=nil {_cdd .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",_bgfc );
return nil ,_bgfc ;};_cdd .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_agdb );_fbdgd :=_cacb .FindStringSubmatch (string (_agdb ));if len (_fbdgd )< 3{_cdd .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 (_agdb ));
return &_aeff ,_eg .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");
};_bgdca ,_ :=_d .Atoi (_fbdgd [1]);_adeff ,_ :=_d .Atoi (_fbdgd [2]);_aeff .ObjectNumber =int64 (_bgdca );_aeff .GenerationNumber =int64 (_adeff );for {_eafe ,_gcgc :=_effg ._cegf .Peek (2);if _gcgc !=nil {return &_aeff ,_gcgc ;};_cdd .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_eafe ),string (_eafe ));
if IsWhiteSpace (_eafe [0]){_effg .skipSpaces ();}else if _eafe [0]=='%'{_effg .skipComments ();}else if (_eafe [0]=='<')&&(_eafe [1]=='<'){_cdd .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_aeff .PdfObject ,_gcgc =_effg .ParseDict ();
_cdd .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_gcgc );if _gcgc !=nil {return &_aeff ,_gcgc ;};_cdd .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 (_eafe [0]=='/')||(_eafe [0]=='(')||(_eafe [0]=='[')||(_eafe [0]=='<'){_aeff .PdfObject ,_gcgc =_effg .parseObject ();if _gcgc !=nil {return &_aeff ,_gcgc ;};_cdd .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 _eafe [0]==']'{_cdd .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");
_effg ._cegf .Discard (1);}else {if _eafe [0]=='e'{_bgcd ,_adfa :=_effg .readTextLine ();if _adfa !=nil {return nil ,_adfa ;};if len (_bgcd )>=6&&_bgcd [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _eafe [0]=='s'{_eafe ,_ =_effg ._cegf .Peek (10);
if string (_eafe [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_gdeb :=6;if len (_eafe )> 6{if IsWhiteSpace (_eafe [_gdeb ])&&_eafe [_gdeb ]!='\r'&&_eafe [_gdeb ]!='\n'{_cdd .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");
_effg ._cdcc ._dcdf =true ;_gdeb ++;};if _eafe [_gdeb ]=='\r'{_gdeb ++;if _eafe [_gdeb ]=='\n'{_gdeb ++;};}else if _eafe [_gdeb ]=='\n'{_gdeb ++;}else {_effg ._cdcc ._dcdf =true ;};};_effg ._cegf .Discard (_gdeb );_abfe ,_gceee :=_aeff .PdfObject .(*PdfObjectDictionary );
if !_gceee {return nil ,_eg .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");};_cdd .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_abfe );
_dfcf ,_adda :=_effg .traceStreamLength (_abfe .Get ("\u004c\u0065\u006e\u0067\u0074\u0068"));if _adda !=nil {_cdd .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",_adda );
return nil ,_adda ;};_cdd .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_dfcf );_gfbdd ,_bfba :=_dfcf .(*PdfObjectInteger );if !_bfba {return nil ,_eg .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");
};_eaba :=*_gfbdd ;if _eaba < 0{return nil ,_eg .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");};_aecd :=_effg .GetFileOffset ();
_fbfa :=_effg .xrefNextObjectOffset (_aecd );if _aecd +int64 (_eaba )> _fbfa &&_fbfa > _aecd {_cdd .Log .Debug ("E\u0078\u0070\u0065\u0063te\u0064 \u0065\u006e\u0064\u0069\u006eg\u0020\u0061\u0074\u0020\u0025\u0064",_aecd +int64 (_eaba ));_cdd .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",_fbfa );
_fagad :=_fbfa -_aecd -17;if _fagad < 0{return nil ,_eg .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");
};_cdd .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",_fagad );_eaba =PdfObjectInteger (_fagad );
_abfe .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (_fagad ));};if int64 (_eaba )> _effg ._afgg {_cdd .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 ,_eg .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");};_cdag :=make ([]byte ,_eaba );
_ ,_adda =_effg .ReadAtLeast (_cdag ,int (_eaba ));if _adda !=nil {_cdd .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_cdag ),_cdag );_cdd .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_adda );
return nil ,_adda ;};_egdg :=PdfObjectStream {};_egdg .Stream =_cdag ;_egdg .PdfObjectDictionary =_aeff .PdfObject .(*PdfObjectDictionary );_egdg .ObjectNumber =_aeff .ObjectNumber ;_egdg .GenerationNumber =_aeff .GenerationNumber ;_egdg .PdfObjectReference ._ggdd =_effg ;
_effg .skipSpaces ();_effg ._cegf .Discard (9);_effg .skipSpaces ();return &_egdg ,nil ;};};_aeff .PdfObject ,_gcgc =_effg .parseObject ();if _aeff .PdfObject ==nil {_cdd .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");
_aeff .PdfObject =MakeNull ();};return &_aeff ,_gcgc ;};};if _aeff .PdfObject ==nil {_cdd .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");
_aeff .PdfObject =MakeNull ();};_cdd .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");return &_aeff ,nil ;};

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

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

// 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 ;};

// HasOddLengthHexStrings checks if the document has odd length hexadecimal strings.
func (_cffa ParserMetadata )HasOddLengthHexStrings ()bool {return _cffa ._fdef };func _ecgf (_fbdb *PdfObjectStream ,_cggg *PdfObjectDictionary )(*CCITTFaxEncoder ,error ){_cggf :=NewCCITTFaxEncoder ();_efac :=_fbdb .PdfObjectDictionary ;if _efac ==nil {return _cggf ,nil ;
};if _cggg ==nil {_aea :=TraceToDirectObject (_efac .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));if _aea !=nil {switch _gdefc :=_aea .(type ){case *PdfObjectDictionary :_cggg =_gdefc ;case *PdfObjectArray :if _gdefc .Len ()==1{if _effa ,_dged :=GetDict (_gdefc .Get (0));
_dged {_cggg =_effa ;};};default:_cdd .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",_aea );return nil ,_eg .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
};};if _cggg ==nil {_cdd .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",_aea );return nil ,_eg .New ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");
};};if _ecbff ,_daga :=GetNumberAsInt64 (_cggg .Get ("\u004b"));_daga ==nil {_cggf .K =int (_ecbff );};if _fgbe ,_eccc :=GetNumberAsInt64 (_cggg .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));_eccc ==nil {_cggf .Columns =int (_fgbe );}else {_cggf .Columns =1728;
};if _gbbce ,_dfcc :=GetNumberAsInt64 (_cggg .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_dfcc ==nil {_cggf .BlackIs1 =_gbbce > 0;}else {if _gfgb ,_agb :=GetBoolVal (_cggg .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_agb {_cggf .BlackIs1 =_gfgb ;
}else {if _ddaf ,_abac :=GetArray (_cggg .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));_abac {_faeedg ,_aagg :=_ddaf .ToIntegerArray ();if _aagg ==nil {_cggf .BlackIs1 =_faeedg [0]==1&&_faeedg [1]==0;};};};};if _afgb ,_bgg :=GetNumberAsInt64 (_cggg .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_bgg ==nil {_cggf .EncodedByteAlign =_afgb > 0;}else {if _ggef ,_aadf :=GetBoolVal (_cggg .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_aadf {_cggf .EncodedByteAlign =_ggef ;};};if _abbde ,_cfec :=GetNumberAsInt64 (_cggg .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_cfec ==nil {_cggf .EndOfLine =_abbde > 0;}else {if _feca ,_ddb :=GetBoolVal (_cggg .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_ddb {_cggf .EndOfLine =_feca ;};};if _dfcdc ,_ddfb :=GetNumberAsInt64 (_cggg .Get ("\u0052\u006f\u0077\u0073"));
_ddfb ==nil {_cggf .Rows =int (_dfcdc );};_cggf .EndOfBlock =true ;if _dded ,_ecdc :=GetNumberAsInt64 (_cggg .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_ecdc ==nil {_cggf .EndOfBlock =_dded > 0;}else {if _dcga ,_ccbg :=GetBoolVal (_cggg .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_ccbg {_cggf .EndOfBlock =_dcga ;};};if _bbgf ,_cbgd :=GetNumberAsInt64 (_cggg .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));_cbgd !=nil {_cggf .DamagedRowsBeforeError =int (_bbgf );
};_cdd .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_cggg .String ());return _cggf ,nil ;};

// UpdateParams updates the parameter values of the encoder.
func (_fbf *CCITTFaxEncoder )UpdateParams (params *PdfObjectDictionary ){if _eefc ,_fcba :=GetNumberAsInt64 (params .Get ("\u004b"));_fcba ==nil {_fbf .K =int (_eefc );};if _dfdfa ,_aaec :=GetNumberAsInt64 (params .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073"));
_aaec ==nil {_fbf .Columns =int (_dfdfa );}else if _dfdfa ,_aaec =GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));_aaec ==nil {_fbf .Columns =int (_dfdfa );};if _dgedd ,_bbfd :=GetNumberAsInt64 (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));
_bbfd ==nil {_fbf .BlackIs1 =_dgedd > 0;}else {if _fba ,_gbegb :=GetBoolVal (params .Get ("\u0042\u006c\u0061\u0063\u006b\u0049\u0073\u0031"));_gbegb {_fbf .BlackIs1 =_fba ;}else {if _cabdg ,_ecdb :=GetArray (params .Get ("\u0044\u0065\u0063\u006f\u0064\u0065"));
_ecdb {_geee ,_dfdg :=_cabdg .ToIntegerArray ();if _dfdg ==nil {_fbf .BlackIs1 =_geee [0]==1&&_geee [1]==0;};};};};if _eddg ,_dbee :=GetNumberAsInt64 (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));
_dbee ==nil {_fbf .EncodedByteAlign =_eddg > 0;}else {if _ebec ,_ggab :=GetBoolVal (params .Get ("\u0045\u006ec\u006f\u0064\u0065d\u0042\u0079\u0074\u0065\u0041\u006c\u0069\u0067\u006e"));_ggab {_fbf .EncodedByteAlign =_ebec ;};};if _babc ,_geda :=GetNumberAsInt64 (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));
_geda ==nil {_fbf .EndOfLine =_babc > 0;}else {if _ffdd ,_gagb :=GetBoolVal (params .Get ("\u0045n\u0064\u004f\u0066\u004c\u0069\u006ee"));_gagb {_fbf .EndOfLine =_ffdd ;};};if _cgef ,_daaf :=GetNumberAsInt64 (params .Get ("\u0052\u006f\u0077\u0073"));
_daaf ==nil {_fbf .Rows =int (_cgef );}else if _cgef ,_daaf =GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));_daaf ==nil {_fbf .Rows =int (_cgef );};if _addc ,_ebac :=GetNumberAsInt64 (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));
_ebac ==nil {_fbf .EndOfBlock =_addc > 0;}else {if _adgb ,_feff :=GetBoolVal (params .Get ("\u0045\u006e\u0064\u004f\u0066\u0042\u006c\u006f\u0063\u006b"));_feff {_fbf .EndOfBlock =_adgb ;};};if _bgcf ,_aeda :=GetNumberAsInt64 (params .Get ("\u0044\u0061\u006d\u0061ge\u0064\u0052\u006f\u0077\u0073\u0042\u0065\u0066\u006f\u0072\u0065\u0045\u0072\u0072o\u0072"));
_aeda !=nil {_fbf .DamagedRowsBeforeError =int (_bgcf );};};

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

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

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set and the DecodeParms.
func (_aag *FlateEncoder )MakeStreamDict ()*PdfObjectDictionary {_dfc :=MakeDict ();_dfc .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_aag .GetFilterName ()));_fdg :=_aag .MakeDecodeParams ();if _fdg !=nil {_dfc .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_fdg );
};return _dfc ;};func (_deaa *PdfParser )skipSpaces ()(int ,error ){_fcbb :=0;for {_fgfa ,_aaab :=_deaa ._cegf .ReadByte ();if _aaab !=nil {return 0,_aaab ;};if IsWhiteSpace (_fgfa ){_fcbb ++;}else {_deaa ._cegf .UnreadByte ();break ;};};return _fcbb ,nil ;
};

// SetIfNotNil sets the dictionary's key -> val mapping entry -IF- val is not nil.
// Note that we take care to perform a type switch.  Otherwise if we would supply a nil value
// of another type, e.g. (PdfObjectArray*)(nil), then it would not be a PdfObject(nil) and thus
// would get set.
func (_ecda *PdfObjectDictionary )SetIfNotNil (key PdfObjectName ,val PdfObject ){if val !=nil {switch _gdfc :=val .(type ){case *PdfObjectName :if _gdfc !=nil {_ecda .Set (key ,val );};case *PdfObjectDictionary :if _gdfc !=nil {_ecda .Set (key ,val );
};case *PdfObjectStream :if _gdfc !=nil {_ecda .Set (key ,val );};case *PdfObjectString :if _gdfc !=nil {_ecda .Set (key ,val );};case *PdfObjectNull :if _gdfc !=nil {_ecda .Set (key ,val );};case *PdfObjectInteger :if _gdfc !=nil {_ecda .Set (key ,val );
};case *PdfObjectArray :if _gdfc !=nil {_ecda .Set (key ,val );};case *PdfObjectBool :if _gdfc !=nil {_ecda .Set (key ,val );};case *PdfObjectFloat :if _gdfc !=nil {_ecda .Set (key ,val );};case *PdfObjectReference :if _gdfc !=nil {_ecda .Set (key ,val );
};case *PdfIndirectObject :if _gdfc !=nil {_ecda .Set (key ,val );};default:_cdd .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 );
};};};

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

// GetAccessPermissions returns the PDF access permissions as an AccessPermissions object.
func (_cce *PdfCrypt )GetAccessPermissions ()_bd .Permissions {return _cce ._fd .P };func (_caca *PdfParser )parseXrefTable ()(*PdfObjectDictionary ,error ){var _dcdde *PdfObjectDictionary ;_cabg ,_dddb :=_caca .readTextLine ();if _dddb !=nil {return nil ,_dddb ;
};if _caca ._gaff &&_ef .Count (_ef .TrimPrefix (_cabg ,"\u0078\u0072\u0065\u0066"),"\u0020")> 0{_caca ._cdcc ._cae =true ;};_cdd .Log .Trace ("\u0078\u0072\u0065\u0066 f\u0069\u0072\u0073\u0074\u0020\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_cabg );
_eeag :=-1;_ebad :=0;_ggcb :=false ;_eabe :="";for {_caca .skipSpaces ();_ ,_dfccb :=_caca ._cegf .Peek (1);if _dfccb !=nil {return nil ,_dfccb ;};_cabg ,_dfccb =_caca .readTextLine ();if _dfccb !=nil {return nil ,_dfccb ;};_ceed :=_fecg .FindStringSubmatch (_cabg );
if len (_ceed )==0{_degcg :=len (_eabe )> 0;_eabe +=_cabg +"\u000a";if _degcg {_ceed =_fecg .FindStringSubmatch (_eabe );};};if len (_ceed )==3{if _caca ._gaff &&!_caca ._cdcc ._ege {var (_ffbg bool ;_bfcff int ;);for _ ,_gcab :=range _cabg {if _ge .IsDigit (_gcab ){if _ffbg {break ;
};continue ;};if !_ffbg {_ffbg =true ;};_bfcff ++;};if _bfcff > 1{_caca ._cdcc ._ege =true ;};};_ccca ,_ :=_d .Atoi (_ceed [1]);_acgf ,_ :=_d .Atoi (_ceed [2]);_eeag =_ccca ;_ebad =_acgf ;_ggcb =true ;_eabe ="";_cdd .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",_eeag ,_ebad );
continue ;};_eegba :=_efcbd .FindStringSubmatch (_cabg );if len (_eegba )==4{if !_ggcb {_cdd .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 ,_eg .New ("\u0078\u0072\u0065\u0066 i\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0066\u006f\u0072\u006d\u0061\u0074");
};_ebea ,_ :=_d .ParseInt (_eegba [1],10,64);_efae ,_ :=_d .Atoi (_eegba [2]);_caga :=_eegba [3];_eabe ="";if _ef .ToLower (_caga )=="\u006e"&&_ebea > 1{_edfc ,_dcfc :=_caca ._gcebb .ObjectMap [_eeag ];if !_dcfc ||_efae > _edfc .Generation {_gbafe :=XrefObject {ObjectNumber :_eeag ,XType :XrefTypeTableEntry ,Offset :_ebea ,Generation :_efae };
_caca ._gcebb .ObjectMap [_eeag ]=_gbafe ;};};_eeag ++;continue ;};if (len (_cabg )> 6)&&(_cabg [:7]=="\u0074r\u0061\u0069\u006c\u0065\u0072"){_cdd .Log .Trace ("\u0046o\u0075n\u0064\u0020\u0074\u0072\u0061i\u006c\u0065r\u0020\u002d\u0020\u0025\u0073",_cabg );
if len (_cabg )> 9{_eaee :=_caca .GetFileOffset ();_caca .SetFileOffset (_eaee -int64 (len (_cabg ))+7);};_caca .skipSpaces ();_caca .skipComments ();_cdd .Log .Trace ("R\u0065\u0061\u0064\u0069ng\u0020t\u0072\u0061\u0069\u006c\u0065r\u0020\u0064\u0069\u0063\u0074\u0021");
_cdd .Log .Trace ("\u0070\u0065\u0065\u006b\u003a\u0020\u0022\u0025\u0073\u0022",_cabg );_dcdde ,_dfccb =_caca .ParseDict ();_cdd .Log .Trace ("\u0045O\u0046\u0020\u0072\u0065a\u0064\u0069\u006e\u0067\u0020t\u0072a\u0069l\u0065\u0072\u0020\u0064\u0069\u0063\u0074!");
if _dfccb !=nil {_cdd .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",_dfccb );return nil ,_dfccb ;};break ;};if _cabg =="\u0025\u0025\u0045O\u0046"{_cdd .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 ,_eg .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");};_cdd .Log .Trace ("\u0078\u0072\u0065\u0066\u0020\u006d\u006f\u0072\u0065 \u003a\u0020\u0025\u0073",_cabg );
};_cdd .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 _caca ._bgbb ==nil {_deef :=XrefTypeTableEntry ;_caca ._bgbb =&_deef ;};return _dcdde ,nil ;};

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

// HasInvalidSubsectionHeader implements core.ParserMetadata interface.
func (_ggc ParserMetadata )HasInvalidSubsectionHeader ()bool {return _ggc ._ege };

// 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 (_eeeb *PdfCrypt )Decrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _eeeb .isDecrypted (obj ){return nil ;};switch _ecgc :=obj .(type ){case *PdfIndirectObject :_eeeb ._bedc [_ecgc ]=true ;_cdd .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",_ecgc .ObjectNumber ,_ecgc .GenerationNumber );
_ggf :=_ecgc .ObjectNumber ;_cga :=_ecgc .GenerationNumber ;_bbb :=_eeeb .Decrypt (_ecgc .PdfObject ,_ggf ,_cga );if _bbb !=nil {return _bbb ;};return nil ;case *PdfObjectStream :_eeeb ._bedc [_ecgc ]=true ;_cbgb :=_ecgc .PdfObjectDictionary ;if _eeeb ._fd .R !=5{if _gad ,_ggdb :=_cbgb .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_ggdb &&*_gad =="\u0058\u0052\u0065\u0066"{return nil ;};};_dbbg :=_ecgc .ObjectNumber ;_gbg :=_ecgc .GenerationNumber ;_cdd .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_dbbg ,_gbg );
_gfcc :=_eee ;if _eeeb ._fee .V >=4{_gfcc =_eeeb ._aeeb ;_cdd .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_eeeb ._aeeb );if _bdc ,_edf :=_cbgb .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_edf {if _fec ,_cgd :=GetName (_bdc .Get (0));_cgd {if *_fec =="\u0043\u0072\u0079p\u0074"{_gfcc ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _ecadb ,_fgf :=_cbgb .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_fgf {if _fdfa ,_egg :=_ecadb .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_egg {if _ ,_aac :=_eeeb ._afae [string (*_fdfa )];_aac {_cdd .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_fdfa );
_gfcc =string (*_fdfa );};};};};};};_cdd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_gfcc );if _gfcc =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_eac :=_eeeb .Decrypt (_cbgb ,_dbbg ,_gbg );
if _eac !=nil {return _eac ;};_cbf ,_eac :=_eeeb .makeKey (_gfcc ,uint32 (_dbbg ),uint32 (_gbg ),_eeeb ._beb );if _eac !=nil {return _eac ;};_ecgc .Stream ,_eac =_eeeb .decryptBytes (_ecgc .Stream ,_gfcc ,_cbf );if _eac !=nil {return _eac ;};_cbgb .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_ecgc .Stream ))));
return nil ;case *PdfObjectString :_cdd .Log .Trace ("\u0044e\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_egcc :=_eee ;if _eeeb ._fee .V >=4{_cdd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_eeeb ._ab );
if _eeeb ._ab =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_egcc =_eeeb ._ab ;};_dfb ,_gbab :=_eeeb .makeKey (_egcc ,uint32 (parentObjNum ),uint32 (parentGenNum ),_eeeb ._beb );if _gbab !=nil {return _gbab ;};_gbce :=_ecgc .Str ();
_fadg :=make ([]byte ,len (_gbce ));for _edg :=0;_edg < len (_gbce );_edg ++{_fadg [_edg ]=_gbce [_edg ];};if len (_fadg )> 0{_cdd .Log .Trace ("\u0044e\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_fadg ,_fadg );
_fadg ,_gbab =_eeeb .decryptBytes (_fadg ,_egcc ,_dfb );if _gbab !=nil {return _gbab ;};};_ecgc ._ddgc =string (_fadg );return nil ;case *PdfObjectArray :for _ ,_cgc :=range _ecgc .Elements (){_ecc :=_eeeb .Decrypt (_cgc ,parentObjNum ,parentGenNum );if _ecc !=nil {return _ecc ;
};};return nil ;case *PdfObjectDictionary :_cgb :=false ;if _fgaf :=_ecgc .Get ("\u0054\u0079\u0070\u0065");_fgaf !=nil {_eae ,_ced :=_fgaf .(*PdfObjectName );if _ced &&*_eae =="\u0053\u0069\u0067"{_cgb =true ;};};for _ ,_abf :=range _ecgc .Keys (){_ffga :=_ecgc .Get (_abf );
if _cgb &&string (_abf )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_abf )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_abf )!="\u0050\u0072\u0065\u0076"&&string (_abf )!="\u004c\u0061\u0073\u0074"{_cgee :=_eeeb .Decrypt (_ffga ,parentObjNum ,parentGenNum );
if _cgee !=nil {return _cgee ;};};};return nil ;};return nil ;};const (_cgga =0;_gbed =1;_bece =2;_dfbd =3;_adcba =4;);

// EncodeBytes encodes the passed in slice of bytes by passing it through the
// EncodeBytes method of the underlying encoders.
func (_cbbd *MultiEncoder )EncodeBytes (data []byte )([]byte ,error ){_bdcd :=data ;var _dfbc error ;for _gadgf :=len (_cbbd ._aeab )-1;_gadgf >=0;_gadgf --{_cebga :=_cbbd ._aeab [_gadgf ];_bdcd ,_dfbc =_cebga .EncodeBytes (_bdcd );if _dfbc !=nil {return nil ,_dfbc ;
};};return _bdcd ,nil ;};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_agfa *RunLengthEncoder )EncodeBytes (data []byte )([]byte ,error ){_acdb :=_ae .NewReader (data );var _aegd []byte ;var _fbdg []byte ;_gfbe ,_afdgc :=_acdb .ReadByte ();if _afdgc ==_gc .EOF {return []byte {},nil ;}else if _afdgc !=nil {return nil ,_afdgc ;
};_cbac :=1;for {_efdc ,_bffc :=_acdb .ReadByte ();if _bffc ==_gc .EOF {break ;}else if _bffc !=nil {return nil ,_bffc ;};if _efdc ==_gfbe {if len (_fbdg )> 0{_fbdg =_fbdg [:len (_fbdg )-1];if len (_fbdg )> 0{_aegd =append (_aegd ,byte (len (_fbdg )-1));
_aegd =append (_aegd ,_fbdg ...);};_cbac =1;_fbdg =[]byte {};};_cbac ++;if _cbac >=127{_aegd =append (_aegd ,byte (257-_cbac ),_gfbe );_cbac =0;};}else {if _cbac > 0{if _cbac ==1{_fbdg =[]byte {_gfbe };}else {_aegd =append (_aegd ,byte (257-_cbac ),_gfbe );
};_cbac =0;};_fbdg =append (_fbdg ,_efdc );if len (_fbdg )>=127{_aegd =append (_aegd ,byte (len (_fbdg )-1));_aegd =append (_aegd ,_fbdg ...);_fbdg =[]byte {};};};_gfbe =_efdc ;};if len (_fbdg )> 0{_aegd =append (_aegd ,byte (len (_fbdg )-1));_aegd =append (_aegd ,_fbdg ...);
}else if _cbac > 0{_aegd =append (_aegd ,byte (257-_cbac ),_gfbe );};_aegd =append (_aegd ,128);return _aegd ,nil ;};func _bdba (_dda *PdfObjectStream ,_ebbf *PdfObjectDictionary )(*FlateEncoder ,error ){_afc :=NewFlateEncoder ();_faac :=_dda .PdfObjectDictionary ;
if _faac ==nil {return _afc ,nil ;};_afc ._cdbf =_cegfc (_faac );if _ebbf ==nil {_bgdc :=TraceToDirectObject (_faac .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"));switch _abbd :=_bgdc .(type ){case *PdfObjectArray :if _abbd .Len ()!=1{_cdd .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",_abbd .Len ());
return nil ,_eg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _dbbf ,_baa :=GetDict (_abbd .Get (0));_baa {_ebbf =_dbbf ;};case *PdfObjectDictionary :_ebbf =_abbd ;case *PdfObjectNull ,nil :default:_cdd .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",_bgdc );
return nil ,_b .Errorf ("\u0069\u006e\u0076\u0061li\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");};};if _ebbf ==nil {return _afc ,nil ;};_cdd .Log .Trace ("\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0070\u0061\u0072\u0061\u006ds\u003a\u0020\u0025\u0073",_ebbf .String ());
_bga :=_ebbf .Get ("\u0050r\u0065\u0064\u0069\u0063\u0074\u006fr");if _bga ==nil {_cdd .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 {_aba ,_caa :=_bga .(*PdfObjectInteger );if !_caa {_cdd .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",_bga );
return nil ,_b .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0050\u0072\u0065\u0064i\u0063\u0074\u006f\u0072");};_afc .Predictor =int (*_aba );};_bga =_ebbf .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");
if _bga !=nil {_dcb ,_cecbab :=_bga .(*PdfObjectInteger );if !_cecbab {_cdd .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 ,_b .Errorf ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0042\u0069\u0074\u0073\u0050e\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074");};_afc .BitsPerComponent =int (*_dcb );};if _afc .Predictor > 1{_afc .Columns =1;_bga =_ebbf .Get ("\u0043o\u006c\u0075\u006d\u006e\u0073");
if _bga !=nil {_ddd ,_agfc :=_bga .(*PdfObjectInteger );if !_agfc {return nil ,_b .Errorf ("\u0070r\u0065\u0064\u0069\u0063\u0074\u006f\u0072\u0020\u0063\u006f\u006cu\u006d\u006e\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064");};_afc .Columns =int (*_ddd );
};_afc .Colors =1;_bga =_ebbf .Get ("\u0043\u006f\u006c\u006f\u0072\u0073");if _bga !=nil {_cgec ,_feaf :=_bga .(*PdfObjectInteger );if !_feaf {return nil ,_b .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");
};_afc .Colors =int (*_cgec );};};return _afc ,nil ;};

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

// MakeArrayFromIntegers64 creates an PdfObjectArray from a slice of int64s, where each array element
// is an PdfObjectInteger.
func MakeArrayFromIntegers64 (vals []int64 )*PdfObjectArray {_edgf :=MakeArray ();for _ ,_debg :=range vals {_edgf .Append (MakeInteger (_debg ));};return _edgf ;};func (_degf *PdfParser )parseArray ()(*PdfObjectArray ,error ){_dfdfg :=MakeArray ();_degf ._cegf .ReadByte ();
for {_degf .skipSpaces ();_agbf ,_adefb :=_degf ._cegf .Peek (1);if _adefb !=nil {return _dfdfg ,_adefb ;};if _agbf [0]==']'{_degf ._cegf .ReadByte ();break ;};_ebbfd ,_adefb :=_degf .parseObject ();if _adefb !=nil {return _dfdfg ,_adefb ;};_dfdfg .Append (_ebbfd );
};return _dfdfg ,nil ;};var _fbbg =_a .MustCompile ("\u005c\u0073\u002a\u0078\u0072\u0065\u0066\u005c\u0073\u002a");

// SetImage sets the image base for given flate encoder.
func (_eec *FlateEncoder )SetImage (img *_aa .ImageBase ){_eec ._cdbf =img };

// WriteString outputs the object as it is to be written to file.
func (_faca *PdfObjectString )WriteString ()string {var _dfccf _ae .Buffer ;if _faca ._eebg {_adbf :=_gg .EncodeToString (_faca .Bytes ());_dfccf .WriteString ("\u003c");_dfccf .WriteString (_adbf );_dfccf .WriteString ("\u003e");return _dfccf .String ();
};_beec :=map[byte ]string {'\n':"\u005c\u006e",'\r':"\u005c\u0072",'\t':"\u005c\u0074",'\b':"\u005c\u0062",'\f':"\u005c\u0066",'(':"\u005c\u0028",')':"\u005c\u0029",'\\':"\u005c\u005c"};_dfccf .WriteString ("\u0028");for _gacda :=0;_gacda < len (_faca ._ddgc );
_gacda ++{_dgfcbg :=_faca ._ddgc [_gacda ];if _ebfca ,_bgfdc :=_beec [_dgfcbg ];_bgfdc {_dfccf .WriteString (_ebfca );}else {_dfccf .WriteByte (_dgfcbg );};};_dfccf .WriteString ("\u0029");return _dfccf .String ();};func _gaaeb (_gfaf string )(PdfObjectReference ,error ){_gage :=PdfObjectReference {};
_gbae :=_bcggf .FindStringSubmatch (_gfaf );if len (_gbae )< 3{_cdd .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");return _gage ,_eg .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};_fagd ,_ :=_d .Atoi (_gbae [1]);_aaebe ,_ :=_d .Atoi (_gbae [2]);_gage .ObjectNumber =int64 (_fagd );_gage .GenerationNumber =int64 (_aaebe );return _gage ,nil ;};func (_gdad *PdfParser )parseBool ()(PdfObjectBool ,error ){_beed ,_eeebg :=_gdad ._cegf .Peek (4);
if _eeebg !=nil {return PdfObjectBool (false ),_eeebg ;};if (len (_beed )>=4)&&(string (_beed [:4])=="\u0074\u0072\u0075\u0065"){_gdad ._cegf .Discard (4);return PdfObjectBool (true ),nil ;};_beed ,_eeebg =_gdad ._cegf .Peek (5);if _eeebg !=nil {return PdfObjectBool (false ),_eeebg ;
};if (len (_beed )>=5)&&(string (_beed [:5])=="\u0066\u0061\u006cs\u0065"){_gdad ._cegf .Discard (5);return PdfObjectBool (false ),nil ;};return PdfObjectBool (false ),_eg .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");
};

// WriteString outputs the object as it is to be written to file.
func (_gdagb *PdfIndirectObject )WriteString ()string {var _badf _ef .Builder ;_badf .WriteString (_d .FormatInt (_gdagb .ObjectNumber ,10));_badf .WriteString ("\u0020\u0030\u0020\u0052");return _badf .String ();};var _afdeb =_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");
var _fecg =_a .MustCompile ("\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u0028\u005c\u0064\u002b)\u005c\u0073\u002a\u0024");func _bbde (_cfdc _aa .Image )*JBIG2Image {_afaf :=_cfdc .Base ();return &JBIG2Image {Data :_afaf .Data ,Width :_afaf .Width ,Height :_afaf .Height ,HasPadding :true };
};

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

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

// ParserMetadata gets the pdf parser metadata.
func (_gadg *PdfParser )ParserMetadata ()(ParserMetadata ,error ){if !_gadg ._gaff {return ParserMetadata {},_b .Errorf ("\u0070\u0061\u0072\u0073\u0065r\u0020\u0077\u0061\u0073\u0020\u006e\u006f\u0074\u0020\u006d\u0061\u0072\u006be\u0064\u0020\u0066\u006f\u0072\u0020\u0067\u0065\u0074\u0074\u0069\u006e\u0067\u0020\u0064\u0065\u0074\u0061\u0069\u006c\u0065\u0064\u0020\u006d\u0065\u0074\u0061\u0064\u0061\u0074a");
};return _gadg ._cdcc ,nil ;};func (_aeeef *PdfParser )resolveReference (_edagb *PdfObjectReference )(PdfObject ,bool ,error ){_baca ,_adccg :=_aeeef .ObjCache [int (_edagb .ObjectNumber )];if _adccg {return _baca ,true ,nil ;};_fcbg ,_dgfcb :=_aeeef .LookupByReference (*_edagb );
if _dgfcb !=nil {return nil ,false ,_dgfcb ;};_aeeef .ObjCache [int (_edagb .ObjectNumber )]=_fcbg ;return _fcbg ,false ,nil ;};

// UpdateParams updates the parameter values of the encoder.
func (_aagd *DCTEncoder )UpdateParams (params *PdfObjectDictionary ){_ffaa ,_caeb :=GetNumberAsInt64 (params .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073"));if _caeb ==nil {_aagd .ColorComponents =int (_ffaa );
};_egee ,_caeb :=GetNumberAsInt64 (params .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));if _caeb ==nil {_aagd .BitsPerComponent =int (_egee );};_fced ,_caeb :=GetNumberAsInt64 (params .Get ("\u0057\u0069\u0064t\u0068"));
if _caeb ==nil {_aagd .Width =int (_fced );};_dcg ,_caeb :=GetNumberAsInt64 (params .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));if _caeb ==nil {_aagd .Height =int (_dcg );};_egeeg ,_caeb :=GetNumberAsInt64 (params .Get ("\u0051u\u0061\u006c\u0069\u0074\u0079"));
if _caeb ==nil {_aagd .Quality =int (_egeeg );};};func _acbda (_fdca PdfObject ,_gggae int ,_abgcb map[PdfObject ]struct{})error {_cdd .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",_gggae );
if _ ,_dfgf :=_abgcb [_fdca ];_dfgf {_cdd .Log .Trace ("-\u0041\u006c\u0072\u0065ad\u0079 \u0074\u0072\u0061\u0076\u0065r\u0073\u0065\u0064\u002e\u002e\u002e");return nil ;};_abgcb [_fdca ]=struct{}{};switch _ggcf :=_fdca .(type ){case *PdfIndirectObject :_cdagg :=_ggcf ;
_cdd .Log .Trace ("\u0069\u006f\u003a\u0020\u0025\u0073",_cdagg );_cdd .Log .Trace ("\u002d\u0020\u0025\u0073",_cdagg .PdfObject );return _acbda (_cdagg .PdfObject ,_gggae +1,_abgcb );case *PdfObjectStream :_ecge :=_ggcf ;return _acbda (_ecge .PdfObjectDictionary ,_gggae +1,_abgcb );
case *PdfObjectDictionary :_cfac :=_ggcf ;_cdd .Log .Trace ("\u002d\u0020\u0064\u0069\u0063\u0074\u003a\u0020\u0025\u0073",_cfac );for _ ,_fedge :=range _cfac .Keys (){_eddag :=_cfac .Get (_fedge );if _edgb ,_cebdc :=_eddag .(*PdfObjectReference );_cebdc {_egebd :=_edgb .Resolve ();
_cfac .Set (_fedge ,_egebd );_cddfe :=_acbda (_egebd ,_gggae +1,_abgcb );if _cddfe !=nil {return _cddfe ;};}else {_dedd :=_acbda (_eddag ,_gggae +1,_abgcb );if _dedd !=nil {return _dedd ;};};};return nil ;case *PdfObjectArray :_befc :=_ggcf ;_cdd .Log .Trace ("-\u0020\u0061\u0072\u0072\u0061\u0079\u003a\u0020\u0025\u0073",_befc );
for _ecbe ,_abgca :=range _befc .Elements (){if _gaag ,_eeac :=_abgca .(*PdfObjectReference );_eeac {_feefb :=_gaag .Resolve ();_befc .Set (_ecbe ,_feefb );_eeda :=_acbda (_feefb ,_gggae +1,_abgcb );if _eeda !=nil {return _eeda ;};}else {_gfdf :=_acbda (_abgca ,_gggae +1,_abgcb );
if _gfdf !=nil {return _gfdf ;};};};return nil ;case *PdfObjectReference :_cdd .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 _eg .New ("\u0065r\u0072\u006f\u0072\u0020t\u0072\u0061\u0063\u0069\u006eg\u0020a\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");
};return nil ;};

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

// GetFilterName returns the name of the encoding filter.
func (_fceda *RawEncoder )GetFilterName ()string {return StreamEncodingFilterNameRaw };func (_gdag *PdfParser )parseXref ()(*PdfObjectDictionary ,error ){const _cfdbf =20;_feeab ,_ :=_gdag ._cegf .Peek (_cfdbf );for _facf :=0;_facf < 2;_facf ++{if _gdag ._efdcf ==0{_gdag ._efdcf =_gdag .GetFileOffset ();
};if _cacb .Match (_feeab ){_cdd .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");
_cdd .Log .Debug ("\u0073t\u0061r\u0074\u0069\u006e\u0067\u0020w\u0069\u0074h\u0020\u0022\u0025\u0073\u0022",string (_feeab ));return _gdag .parseXrefStream (nil );};if _fbbg .Match (_feeab ){_cdd .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 _gdag .parseXrefTable ();};_adgbg :=_gdag .GetFileOffset ();if _gdag ._efdcf ==0{_gdag ._efdcf =_adgbg ;};_gdag .SetFileOffset (_adgbg -_cfdbf );defer _gdag .SetFileOffset (_adgbg );_dgfeb ,_ :=_gdag ._cegf .Peek (_cfdbf );_feeab =append (_dgfeb ,_feeab ...);
};_cdd .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 _ebccd :=_gdag .repairSeekXrefMarker ();_ebccd !=nil {_cdd .Log .Debug ("\u0052e\u0070a\u0069\u0072\u0020\u0066\u0061i\u006c\u0065d\u0020\u002d\u0020\u0025\u0076",_ebccd );return nil ,_ebccd ;};return _gdag .parseXrefTable ();};

// 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 ;};

// 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 ){_aae :=&PdfCrypt {_eafa :false ,_bedc :make (map[PdfObject ]bool ),_bfbc :make (map[PdfObject ]bool ),_bdf :make (map[int ]struct{}),_faee :parser };_agg ,_gfc :=ed .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectName );
if !_gfc {_cdd .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 _aae ,_eg .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 *_agg !="\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"{_cdd .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",*_agg );
return _aae ,_eg .New ("\u0075n\u0073u\u0070\u0070\u006f\u0072\u0074e\u0064\u0020F\u0069\u006c\u0074\u0065\u0072");};_aae ._fee .Filter =string (*_agg );if _ccg ,_dcag :=ed .Get ("\u0053u\u0062\u0046\u0069\u006c\u0074\u0065r").(*PdfObjectString );_dcag {_aae ._fee .SubFilter =_ccg .Str ();
_cdd .Log .Debug ("\u0055s\u0069n\u0067\u0020\u0073\u0075\u0062f\u0069\u006ct\u0065\u0072\u0020\u0025\u0073",_ccg );};if L ,_cff :=ed .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );_cff {if (*L %8)!=0{_cdd .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 _aae ,_eg .New ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u0065\u006e\u0063\u0072y\u0070t\u0069o\u006e\u0020\u006c\u0065\u006e\u0067\u0074h");};_aae ._fee .Length =int (*L );}else {_aae ._fee .Length =40;};_aae ._fee .V =0;if _dfab ,_ggb :=ed .Get ("\u0056").(*PdfObjectInteger );
_ggb {V :=int (*_dfab );_aae ._fee .V =V ;if V >=1&&V <=2{_aae ._afae =_dgf (_aae ._fee .Length );}else if V >=4&&V <=5{if _aaa :=_aae .loadCryptFilters (ed );_aaa !=nil {return _aae ,_aaa ;};}else {_cdd .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 _aae ,_eg .New ("u\u006e\u0073\u0075\u0070po\u0072t\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d");};};if _acb :=_bag (&_aae ._fd ,ed );_acb !=nil {return _aae ,_acb ;};_gfb :="";if _eaa ,_ccd :=trailer .Get ("\u0049\u0044").(*PdfObjectArray );
_ccd &&_eaa .Len ()>=1{_acd ,_cdb :=GetString (_eaa .Get (0));if !_cdb {return _aae ,_eg .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0074r\u0061\u0069l\u0065\u0072\u0020\u0049\u0044");};_gfb =_acd .Str ();}else {_cdd .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");
};_aae ._aeb =_gfb ;return _aae ,nil ;};

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

// NewEncoderFromStream creates a StreamEncoder based on the stream's dictionary.
func NewEncoderFromStream (streamObj *PdfObjectStream )(StreamEncoder ,error ){_bfdf :=TraceToDirectObject (streamObj .PdfObjectDictionary .Get ("\u0046\u0069\u006c\u0074\u0065\u0072"));if _bfdf ==nil {return NewRawEncoder (),nil ;};if _ ,_eegbf :=_bfdf .(*PdfObjectNull );
_eegbf {return NewRawEncoder (),nil ;};_fdgcc ,_cdafa :=_bfdf .(*PdfObjectName );if !_cdafa {_eaffd ,_efgf :=_bfdf .(*PdfObjectArray );if !_efgf {return nil ,_b .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 _eaffd .Len ()==0{return NewRawEncoder (),nil ;};if _eaffd .Len ()!=1{_gbegd ,_faeec :=_dec (streamObj );if _faeec !=nil {_cdd .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",_faeec );
return nil ,_faeec ;};_cdd .Log .Trace ("\u004d\u0075\u006c\u0074\u0069\u0020\u0065\u006e\u0063:\u0020\u0025\u0073\u000a",_gbegd );return _gbegd ,nil ;};_bfdf =_eaffd .Get (0);_fdgcc ,_efgf =_bfdf .(*PdfObjectName );if !_efgf {return nil ,_b .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 _aead ,_bfed :=_ecbdgg .Load (_fdgcc .String ());_bfed {return _aead .(StreamEncoder ),nil ;};switch *_fdgcc {case StreamEncodingFilterNameFlate :return _bdba (streamObj ,nil );case StreamEncodingFilterNameLZW :return _fedc (streamObj ,nil );case StreamEncodingFilterNameDCT :return _ebeb (streamObj ,nil );
case StreamEncodingFilterNameRunLength :return _ecgde (streamObj ,nil );case StreamEncodingFilterNameASCIIHex :return NewASCIIHexEncoder (),nil ;case StreamEncodingFilterNameASCII85 ,"\u0041\u0038\u0035":return NewASCII85Encoder (),nil ;case StreamEncodingFilterNameCCITTFax :return _ecgf (streamObj ,nil );
case StreamEncodingFilterNameJBIG2 :return _fecf (streamObj ,nil );case StreamEncodingFilterNameJPX :return NewJPXEncoder (),nil ;};_cdd .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 ,_b .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",*_fdgcc );};

// 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 (_aaf *LZWEncoder )EncodeBytes (data []byte )([]byte ,error ){if _aaf .Predictor !=1{return nil ,_b .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 _aaf .EarlyChange ==1{return nil ,_b .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 _gbdadg _ae .Buffer ;_caec :=_f .NewWriter (&_gbdadg ,_f .MSB ,8);_caec .Write (data );_caec .Close ();return _gbdadg .Bytes (),nil ;};

// MakeDictMap creates a PdfObjectDictionary initialized from a map of keys to values.
func MakeDictMap (objmap map[string ]PdfObject )*PdfObjectDictionary {_ecbc :=MakeDict ();return _ecbc .Update (objmap );};func (_ecgdd *PdfParser )parseObject ()(PdfObject ,error ){_cdd .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");
_ecgdd .skipSpaces ();for {_afbc ,_fgae :=_ecgdd ._cegf .Peek (2);if _fgae !=nil {if _fgae !=_gc .EOF ||len (_afbc )==0{return nil ,_fgae ;};if len (_afbc )==1{_afbc =append (_afbc ,' ');};};_cdd .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_afbc ));
if _afbc [0]=='/'{_gbff ,_eeecd :=_ecgdd .parseName ();_cdd .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_gbff );return &_gbff ,_eeecd ;}else if _afbc [0]=='('{_cdd .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");
_gfbec ,_cabfa :=_ecgdd .parseString ();return _gfbec ,_cabfa ;}else if _afbc [0]=='['{_cdd .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");_cgab ,_cdaff :=_ecgdd .parseArray ();return _cgab ,_cdaff ;}else if (_afbc [0]=='<')&&(_afbc [1]=='<'){_cdd .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");
_ggbd ,_eea :=_ecgdd .ParseDict ();return _ggbd ,_eea ;}else if _afbc [0]=='<'{_cdd .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");_ffaaa ,_degc :=_ecgdd .parseHexString ();return _ffaaa ,_degc ;}else if _afbc [0]=='%'{_ecgdd .readComment ();
_ecgdd .skipSpaces ();}else {_cdd .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_afbc ,_ =_ecgdd ._cegf .Peek (15);_dcfg :=string (_afbc );_cdd .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_dcfg );
if (len (_dcfg )> 3)&&(_dcfg [:4]=="\u006e\u0075\u006c\u006c"){_eagc ,_gbea :=_ecgdd .parseNull ();return &_eagc ,_gbea ;}else if (len (_dcfg )> 4)&&(_dcfg [:5]=="\u0066\u0061\u006cs\u0065"){_cefg ,_eab :=_ecgdd .parseBool ();return &_cefg ,_eab ;}else if (len (_dcfg )> 3)&&(_dcfg [:4]=="\u0074\u0072\u0075\u0065"){_fbee ,_geca :=_ecgdd .parseBool ();
return &_fbee ,_geca ;};_ddbc :=_bcggf .FindStringSubmatch (_dcfg );if len (_ddbc )> 1{_afbc ,_ =_ecgdd ._cegf .ReadBytes ('R');_cdd .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_afbc [:]));_ffgg ,_fgcd :=_gaaeb (string (_afbc ));
_ffgg ._ggdd =_ecgdd ;return &_ffgg ,_fgcd ;};_fdbee :=_ccba .FindStringSubmatch (_dcfg );if len (_fdbee )> 1{_cdd .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");_edaga ,_fbdf :=_ecgdd .parseNumber ();return _edaga ,_fbdf ;
};_fdbee =_afdeb .FindStringSubmatch (_dcfg );if len (_fdbee )> 1{_cdd .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");_cdd .Log .Trace ("\u0025\u0020\u0073",_fdbee );
_bgfd ,_cgaf :=_ecgdd .parseNumber ();return _bgfd ,_cgaf ;};_cdd .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_dcfg );return nil ,_eg .New ("\u006f\u0062\u006a\u0065\u0063t\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0065\u0072\u0072\u006fr\u0020\u002d\u0020\u0075\u006e\u0065\u0078\u0070\u0065\u0063\u0074\u0065\u0064\u0020\u0070\u0061\u0074\u0074\u0065\u0072\u006e");
};};};func (_fgab *PdfParser )traceStreamLength (_cdgd PdfObject )(PdfObject ,error ){_eddd ,_bfbb :=_cdgd .(*PdfObjectReference );if _bfbb {_cadca ,_gaddgc :=_fgab ._gddg [_eddd .ObjectNumber ];if _gaddgc &&_cadca {_cdd .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 ,_eg .New ("\u0069\u006c\u006c\u0065ga\u006c\u0020\u0072\u0065\u0063\u0075\u0072\u0073\u0069\u0076\u0065\u0020\u006c\u006fo\u0070");};_fgab ._gddg [_eddd .ObjectNumber ]=true ;};_cabde ,_gff :=_fgab .Resolve (_cdgd );if _gff !=nil {return nil ,_gff ;
};_cdd .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0065\u006e\u0067\u0074h\u003f\u0020\u0025\u0073",_cabde );if _bfbb {_fgab ._gddg [_eddd .ObjectNumber ]=false ;};return _cabde ,nil ;};func _cegfc (_afee *PdfObjectDictionary )(_cfegc *_aa .ImageBase ){var (_gaea *PdfObjectInteger ;
_abd bool ;);if _gaea ,_abd =_afee .Get ("\u0057\u0069\u0064t\u0068").(*PdfObjectInteger );_abd {_cfegc =&_aa .ImageBase {Width :int (*_gaea )};}else {return nil ;};if _gaea ,_abd =_afee .Get ("\u0048\u0065\u0069\u0067\u0068\u0074").(*PdfObjectInteger );
_abd {_cfegc .Height =int (*_gaea );};if _gaea ,_abd =_afee .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074").(*PdfObjectInteger );_abd {_cfegc .BitsPerComponent =int (*_gaea );};if _gaea ,_abd =_afee .Get ("\u0043o\u006co\u0072\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073").(*PdfObjectInteger );
_abd {_cfegc .ColorComponents =int (*_gaea );};return _cfegc ;};

// Set sets the PdfObject at index i of the array. An error is returned if the index is outside bounds.
func (_dafa *PdfObjectArray )Set (i int ,obj PdfObject )error {if i < 0||i >=len (_dafa ._effaa ){return _eg .New ("\u006f\u0075\u0074\u0073\u0069\u0064\u0065\u0020\u0062o\u0075\u006e\u0064\u0073");};_dafa ._effaa [i ]=obj ;return nil ;};func (_gbdb *PdfParser )lookupByNumberWrapper (_gd int ,_efc bool )(PdfObject ,bool ,error ){_cg ,_fga ,_bc :=_gbdb .lookupByNumber (_gd ,_efc );
if _bc !=nil {return nil ,_fga ,_bc ;};if !_fga &&_gbdb ._aegc !=nil &&_gbdb ._aegc ._eafa &&!_gbdb ._aegc .isDecrypted (_cg ){_bf :=_gbdb ._aegc .Decrypt (_cg ,0,0);if _bf !=nil {return nil ,_fga ,_bf ;};};return _cg ,_fga ,nil ;};

// 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 )(_bgab string ,_ccde bool ){_cbfc ,_ccde :=TraceToDirectObject (obj ).(*PdfObjectName );if _ccde {return string (*_cbfc ),true ;};return ;};func _cadc (_dcgd _gc .ReadSeeker ,_ebcb int64 )(*offsetReader ,error ){_cebd :=&offsetReader {_gfda :_dcgd ,_gbaf :_ebcb };
_ ,_egfd :=_cebd .Seek (0,_gc .SeekStart );return _cebd ,_egfd ;};

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

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

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

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

// EncodeBytes encodes 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 (_fbgc *CCITTFaxEncoder )EncodeBytes (data []byte )([]byte ,error ){var _edfa _aa .Gray ;switch len (data ){case _fbgc .Rows *_fbgc .Columns :_gcd ,_cacd :=_aa .NewImage (_fbgc .Columns ,_fbgc .Rows ,8,1,data ,nil ,nil );if _cacd !=nil {return nil ,_cacd ;
};_edfa =_gcd .(_aa .Gray );case (_fbgc .Columns *_fbgc .Rows )+7>>3:_cgfgd ,_dafb :=_aa .NewImage (_fbgc .Columns ,_fbgc .Rows ,1,1,data ,nil ,nil );if _dafb !=nil {return nil ,_dafb ;};_abc :=_cgfgd .(*_aa .Monochrome );if _dafb =_abc .AddPadding ();
_dafb !=nil {return nil ,_dafb ;};_edfa =_abc ;default:if len (data )< _aa .BytesPerLine (_fbgc .Columns ,1,1)*_fbgc .Rows {return nil ,_eg .New ("p\u0072\u006f\u0076\u0069\u0064\u0065d\u0020\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020i\u006e\u0070\u0075t\u0020d\u0061\u0074\u0061");
};_cdaf ,_fffb :=_aa .NewImage (_fbgc .Columns ,_fbgc .Rows ,1,1,data ,nil ,nil );if _fffb !=nil {return nil ,_fffb ;};_dfage :=_cdaf .(*_aa .Monochrome );_edfa =_dfage ;};_gcfg :=make ([][]byte ,_fbgc .Rows );for _bfec :=0;_bfec < _fbgc .Rows ;_bfec ++{_gdbfb :=make ([]byte ,_fbgc .Columns );
for _acac :=0;_acac < _fbgc .Columns ;_acac ++{_abgg :=_edfa .GrayAt (_acac ,_bfec );_gdbfb [_acac ]=_abgg .Y >>7;};_gcfg [_bfec ]=_gdbfb ;};_cfgcc :=&_ca .Encoder {K :_fbgc .K ,Columns :_fbgc .Columns ,EndOfLine :_fbgc .EndOfLine ,EndOfBlock :_fbgc .EndOfBlock ,BlackIs1 :_fbgc .BlackIs1 ,DamagedRowsBeforeError :_fbgc .DamagedRowsBeforeError ,Rows :_fbgc .Rows ,EncodedByteAlign :_fbgc .EncodedByteAlign };
return _cfgcc .Encode (_gcfg ),nil ;};

// GetIntVal returns the int value represented by the PdfObject directly or indirectly if contained within an
// indirect object. On type mismatch the found bool flag returned is false and a nil pointer is returned.
func GetIntVal (obj PdfObject )(_abcf int ,_dcagcc bool ){_ddgce ,_dcagcc :=TraceToDirectObject (obj ).(*PdfObjectInteger );if _dcagcc &&_ddgce !=nil {return int (*_ddgce ),true ;};return 0,false ;};func (_fbaa *PdfParser )parseXrefStream (_eeeag *PdfObjectInteger )(*PdfObjectDictionary ,error ){if _eeeag !=nil {_cdd .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",_eeeag );
_fbaa ._bcda .Seek (int64 (*_eeeag ),_gc .SeekStart );_fbaa ._cegf =_fg .NewReader (_fbaa ._bcda );};_gecc :=_fbaa .GetFileOffset ();_cddgf ,_cddb :=_fbaa .ParseIndirectObject ();if _cddb !=nil {_cdd .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 ,_eg .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");};_cdd .Log .Trace ("\u0058R\u0065f\u0053\u0074\u006d\u0020\u006fb\u006a\u0065c\u0074\u003a\u0020\u0025\u0073",_cddgf );
_gcg ,_dbd :=_cddgf .(*PdfObjectStream );if !_dbd {_cdd .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 ,_eg .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");};_ecbda :=_gcg .PdfObjectDictionary ;
_gddge ,_dbd :=_gcg .PdfObjectDictionary .Get ("\u0053\u0069\u007a\u0065").(*PdfObjectInteger );if !_dbd {_cdd .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 ,_eg .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 (*_gddge )> 8388607{_cdd .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",*_gddge );
return nil ,_eg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_faef :=_gcg .PdfObjectDictionary .Get ("\u0057");_gcac ,_dbd :=_faef .(*PdfObjectArray );if !_dbd {return nil ,_eg .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0057\u0020\u0069\u006e\u0020x\u0072\u0065\u0066\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_ggge :=_gcac .Len ();if _ggge !=3{_cdd .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",_ggge );
return nil ,_eg .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 _dgec []int64 ;for _ggec :=0;_ggec < 3;
_ggec ++{_bgec ,_bdg :=GetInt (_gcac .Get (_ggec ));if !_bdg {return nil ,_eg .New ("i\u006e\u0076\u0061\u006cid\u0020w\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0074\u0079\u0070\u0065");};_dgec =append (_dgec ,int64 (*_bgec ));};_aeee ,_cddb :=DecodeStream (_gcg );
if _cddb !=nil {_cdd .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",_cddb );return nil ,_cddb ;};_ggbff :=int (_dgec [0]);
_abgd :=int (_dgec [0]+_dgec [1]);_ecfe :=int (_dgec [0]+_dgec [1]+_dgec [2]);_gecb :=int (_dgec [0]+_dgec [1]+_dgec [2]);if _ggbff < 0||_abgd < 0||_ecfe < 0{_cdd .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",_ggbff ,_abgd ,_ecfe );
return nil ,_eg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};if _gecb ==0{_cdd .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 _ecbda ,nil ;};_eccd :=len (_aeee )/_gecb ;_bcea :=0;_accf :=_gcg .PdfObjectDictionary .Get ("\u0049\u006e\u0064e\u0078");var _acga []int ;if _accf !=nil {_cdd .Log .Trace ("\u0049n\u0064\u0065\u0078\u003a\u0020\u0025b",_accf );_dgfg ,_fcbe :=_accf .(*PdfObjectArray );
if !_fcbe {_cdd .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 ,_eg .New ("i\u006ev\u0061\u006c\u0069\u0064\u0020\u0049\u006e\u0064e\u0078\u0020\u006f\u0062je\u0063\u0074");};if _dgfg .Len ()%2!=0{_cdd .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 ,_eg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");};_bcea =0;_gbceg ,_bfabd :=_dgfg .ToIntegerArray ();if _bfabd !=nil {_cdd .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",_bfabd );
return nil ,_bfabd ;};for _aaeg :=0;_aaeg < len (_gbceg );_aaeg +=2{_bggb :=_gbceg [_aaeg ];_deabd :=_gbceg [_aaeg +1];for _ccga :=0;_ccga < _deabd ;_ccga ++{_acga =append (_acga ,_bggb +_ccga );};_bcea +=_deabd ;};}else {for _fafa :=0;_fafa < int (*_gddge );
_fafa ++{_acga =append (_acga ,_fafa );};_bcea =int (*_gddge );};if _eccd ==_bcea +1{_cdd .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");
_dfgc :=_bcea -1;for _ ,_dffa :=range _acga {if _dffa > _dfgc {_dfgc =_dffa ;};};_acga =append (_acga ,_dfgc +1);_bcea ++;};if _eccd !=len (_acga ){_cdd .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",_eccd ,len (_acga ));
return nil ,_eg .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");};_cdd .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074s\u0020\u0063\u006f\u0075\u006e\u0074\u0020\u0025\u0064",_bcea );
_cdd .Log .Trace ("\u0049\u006e\u0064i\u0063\u0065\u0073\u003a\u0020\u0025\u0020\u0064",_acga );_feda :=func (_efef []byte )int64 {var _fdcc int64 ;for _agggg :=0;_agggg < len (_efef );_agggg ++{_fdcc +=int64 (_efef [_agggg ])*(1<<uint (8*(len (_efef )-_agggg -1)));
};return _fdcc ;};_cdd .Log .Trace ("\u0044e\u0063\u006f\u0064\u0065d\u0020\u0073\u0074\u0072\u0065a\u006d \u006ce\u006e\u0067\u0074\u0068\u003a\u0020\u0025d",len (_aeee ));_bgdf :=0;for _dcfb :=0;_dcfb < len (_aeee );_dcfb +=_gecb {_cbcb :=_daeee (len (_aeee ),_dcfb ,_dcfb +_ggbff );
if _cbcb !=nil {_cdd .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_cbcb );return nil ,_cbcb ;};_bcbdf :=_aeee [_dcfb :_dcfb +_ggbff ];_cbcb =_daeee (len (_aeee ),_dcfb +_ggbff ,_dcfb +_abgd );
if _cbcb !=nil {_cdd .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_cbcb );return nil ,_cbcb ;};_ffbe :=_aeee [_dcfb +_ggbff :_dcfb +_abgd ];_cbcb =_daeee (len (_aeee ),_dcfb +_abgd ,_dcfb +_ecfe );
if _cbcb !=nil {_cdd .Log .Debug ("\u0049\u006e\u0076al\u0069\u0064\u0020\u0073\u006c\u0069\u0063\u0065\u0020\u0072\u0061\u006e\u0067\u0065\u003a\u0020\u0025\u0076",_cbcb );return nil ,_cbcb ;};_ebcbd :=_aeee [_dcfb +_abgd :_dcfb +_ecfe ];_fdbb :=_feda (_bcbdf );
_edga :=_feda (_ffbe );_ggdgg :=_feda (_ebcbd );if _dgec [0]==0{_fdbb =1;};if _bgdf >=len (_acga ){_cdd .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 ;};_ebebc :=_acga [_bgdf ];_bgdf ++;_cdd .Log .Trace ("%\u0064\u002e\u0020\u0070\u0031\u003a\u0020\u0025\u0020\u0078",_ebebc ,_bcbdf );_cdd .Log .Trace ("%\u0064\u002e\u0020\u0070\u0032\u003a\u0020\u0025\u0020\u0078",_ebebc ,_ffbe );_cdd .Log .Trace ("%\u0064\u002e\u0020\u0070\u0033\u003a\u0020\u0025\u0020\u0078",_ebebc ,_ebcbd );
_cdd .Log .Trace ("\u0025d\u002e \u0078\u0072\u0065\u0066\u003a \u0025\u0064 \u0025\u0064\u0020\u0025\u0064",_ebebc ,_fdbb ,_edga ,_ggdgg );if _fdbb ==0{_cdd .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 _fdbb ==1{_cdd .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",_ffbe );if _edga ==_gecc {_cdd .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",_ebebc ,_gcg .ObjectNumber );
_ebebc =int (_gcg .ObjectNumber );};if _ccfg ,_bacg :=_fbaa ._gcebb .ObjectMap [_ebebc ];!_bacg ||int (_ggdgg )> _ccfg .Generation {_bbef :=XrefObject {ObjectNumber :_ebebc ,XType :XrefTypeTableEntry ,Offset :_edga ,Generation :int (_ggdgg )};_fbaa ._gcebb .ObjectMap [_ebebc ]=_bbef ;
};}else if _fdbb ==2{_cdd .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 _ ,_ceda :=_fbaa ._gcebb .ObjectMap [_ebebc ];!_ceda {_bafcf :=XrefObject {ObjectNumber :_ebebc ,XType :XrefTypeObjectStream ,OsObjNumber :int (_edga ),OsObjIndex :int (_ggdgg )};
_fbaa ._gcebb .ObjectMap [_ebebc ]=_bafcf ;_cdd .Log .Trace ("\u0065\u006e\u0074\u0072\u0079\u003a\u0020\u0025\u002b\u0076",_bafcf );};}else {_cdd .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 _fbaa ._bgbb ==nil {_fgd :=XrefTypeObjectStream ;_fbaa ._bgbb =&_fgd ;};return _ecbda ,nil ;};

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_def *RunLengthEncoder )MakeDecodeParams ()PdfObject {return nil };func (_effbd *offsetReader )Seek (offset int64 ,whence int )(int64 ,error ){if whence ==_gc .SeekStart {offset +=_effbd ._gbaf ;};_edda ,_dbff :=_effbd ._gfda .Seek (offset ,whence );
if _dbff !=nil {return _edda ,_dbff ;};if whence ==_gc .SeekCurrent {_edda -=_effbd ._gbaf ;};if _edda < 0{return 0,_eg .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 _edda ,nil ;};const _efcbc =32<<(^uint (0)>>63);func (_adag *PdfParser )readComment ()(string ,error ){var _acg _ae .Buffer ;_ ,_cbafb :=_adag .skipSpaces ();if _cbafb !=nil {return _acg .String (),_cbafb ;};_ffced :=true ;for {_gfbb ,_cbgff :=_adag ._cegf .Peek (1);
if _cbgff !=nil {_cdd .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_cbgff .Error ());return _acg .String (),_cbgff ;};if _ffced &&_gfbb [0]!='%'{return _acg .String (),_eg .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");
};_ffced =false ;if (_gfbb [0]!='\r')&&(_gfbb [0]!='\n'){_ebacb ,_ :=_adag ._cegf .ReadByte ();_acg .WriteByte (_ebacb );}else {break ;};};return _acg .String (),nil ;};

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

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

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

// 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 _dfbg _ae .Buffer ;_dfbg .Write ([]byte {0xFE,0xFF});_dfbg .WriteString (_ba .StringToUTF16 (s ));return &PdfObjectString {_ddgc :_dfbg .String (),_eebg :true };};return &PdfObjectString {_ddgc :string (_ba .StringToPDFDocEncoding (s )),_eebg :false };
};

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

// 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 (_eafg *PdfObjectArray )ToIntegerArray ()([]int ,error ){var _acce []int ;for _ ,_dcedb :=range _eafg .Elements (){if _daec ,_abgcg :=_dcedb .(*PdfObjectInteger );_abgcg {_acce =append (_acce ,int (*_daec ));}else {return nil ,ErrTypeError ;};};return _acce ,nil ;
};

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
// Has the Filter set and the DecodeParms.
func (_afgd *LZWEncoder )MakeStreamDict ()*PdfObjectDictionary {_fdefe :=MakeDict ();_fdefe .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName (_afgd .GetFilterName ()));_gbdd :=_afgd .MakeDecodeParams ();if _gbdd !=nil {_fdefe .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_gbdd );
};_fdefe .Set ("E\u0061\u0072\u006c\u0079\u0043\u0068\u0061\u006e\u0067\u0065",MakeInteger (int64 (_afgd .EarlyChange )));return _fdefe ;};func (_cdafff *PdfParser )inspect ()(map[string ]int ,error ){_cdd .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");
_cdd .Log .Trace ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_agaa :=map[string ]int {};_dgee :=0;_fbcc :=0;var _dbga []int ;for _ddeeg :=range _cdafff ._gcebb .ObjectMap {_dbga =append (_dbga ,_ddeeg );};_dg .Ints (_dbga );_gegg :=0;
for _ ,_aegca :=range _dbga {_beedb :=_cdafff ._gcebb .ObjectMap [_aegca ];if _beedb .ObjectNumber ==0{continue ;};_dgee ++;_cdd .Log .Trace ("\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d");_cdd .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",_beedb .ObjectNumber );
_dbba ,_adbff :=_cdafff .LookupByNumber (_beedb .ObjectNumber );if _adbff !=nil {_cdd .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",_beedb .ObjectNumber ,_adbff );
_fbcc ++;continue ;};_cdd .Log .Trace ("\u006fb\u006a\u003a\u0020\u0025\u0073",_dbba );_eebbd ,_gfeda :=_dbba .(*PdfIndirectObject );if _gfeda {_cdd .Log .Trace ("\u0049N\u0044 \u004f\u004f\u0042\u004a\u0020\u0025\u0064\u003a\u0020\u0025\u0073",_beedb .ObjectNumber ,_eebbd );
_aeaf ,_degb :=_eebbd .PdfObject .(*PdfObjectDictionary );if _degb {if _geac ,_gfdga :=_aeaf .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_gfdga {_fgafc :=string (*_geac );_cdd .Log .Trace ("\u002d\u002d\u002d\u003e\u0020\u004f\u0062\u006a\u0020\u0074\u0079\u0070e\u003a\u0020\u0025\u0073",_fgafc );
_ ,_fcfc :=_agaa [_fgafc ];if _fcfc {_agaa [_fgafc ]++;}else {_agaa [_fgafc ]=1;};}else if _addeg ,_adbe :=_aeaf .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065").(*PdfObjectName );_adbe {_afbead :=string (*_addeg );_cdd .Log .Trace ("-\u002d-\u003e\u0020\u004f\u0062\u006a\u0020\u0073\u0075b\u0074\u0079\u0070\u0065: \u0025\u0073",_afbead );
_ ,_cagd :=_agaa [_afbead ];if _cagd {_agaa [_afbead ]++;}else {_agaa [_afbead ]=1;};};if _caag ,_ggecd :=_aeaf .Get ("\u0053").(*PdfObjectName );_ggecd &&*_caag =="\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"{_ ,_aegae :=_agaa ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"];
if _aegae {_agaa ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]++;}else {_agaa ["\u004a\u0061\u0076\u0061\u0053\u0063\u0072\u0069\u0070\u0074"]=1;};};};}else if _dfbdef ,_bafce :=_dbba .(*PdfObjectStream );_bafce {if _dcac ,_fcgc :=_dfbdef .PdfObjectDictionary .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_fcgc {_cdd .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",*_dcac );_bffb :=string (*_dcac );_agaa [_bffb ]++;};}else {_eddgd ,_bgdb :=_dbba .(*PdfObjectDictionary );
if _bgdb {_geeg ,_eagcf :=_eddgd .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );if _eagcf {_cfdba :=string (*_geeg );_cdd .Log .Trace ("\u002d-\u002d \u006f\u0062\u006a\u0020\u0074\u0079\u0070\u0065\u0020\u0025\u0073",_cfdba );_agaa [_cfdba ]++;};
};_cdd .Log .Trace ("\u0044\u0049\u0052\u0045\u0043\u0054\u0020\u004f\u0042\u004a\u0020\u0025d\u003a\u0020\u0025\u0073",_beedb .ObjectNumber ,_dbba );};_gegg ++;};_cdd .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");
_cdd .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");_cdd .Log .Trace ("\u004f\u0062j\u0065\u0063\u0074 \u0063\u006f\u0075\u006e\u0074\u003a\u0020\u0025\u0064",_dgee );_cdd .Log .Trace ("\u0046\u0061\u0069\u006c\u0065\u0064\u0020\u006c\u006f\u006f\u006b\u0075p\u003a\u0020\u0025\u0064",_fbcc );
for _baec ,_cdcde :=range _agaa {_cdd .Log .Trace ("\u0025\u0073\u003a\u0020\u0025\u0064",_baec ,_cdcde );};_cdd .Log .Trace ("\u003d=\u003d\u003d\u003d\u003d\u003d");if len (_cdafff ._gcebb .ObjectMap )< 1{_cdd .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 ,_b .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");};_dfabb ,_eafad :=_agaa ["\u0046\u006f\u006e\u0074"];
if !_eafad ||_dfabb < 2{_cdd .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 {_cdd .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 _agaa ,nil ;};

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

// 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 (_dggba *PdfObjectDictionary )GetString (key PdfObjectName )(string ,bool ){_afdec ,_efca :=_dggba ._acbd [key ].(*PdfObjectString );if !_efca {return "",false ;};return _afdec .Str (),true ;};func _bebf (_cecg _be .Filter ,_fbgd _bd .AuthEvent )*PdfObjectDictionary {if _fbgd ==""{_fbgd =_bd .EventDocOpen ;
};_aca :=MakeDict ();_aca .Set ("\u0054\u0079\u0070\u0065",MakeName ("C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"));_aca .Set ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et",MakeName (string (_fbgd )));_aca .Set ("\u0043\u0046\u004d",MakeName (_cecg .Name ()));
_aca .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_cecg .KeyLength ())));return _aca ;};

// EncodeBytes encodes a bytes array and return the encoded value based on the encoder parameters.
func (_dbab *FlateEncoder )EncodeBytes (data []byte )([]byte ,error ){if _dbab .Predictor !=1&&_dbab .Predictor !=11{_cdd .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 _dbab .Predictor ==11{_gbeg :=_dbab .Columns ;_aagb :=len (data )/_gbeg ;if len (data )%_gbeg !=0{_cdd .Log .Error ("\u0049n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");
return nil ,_eg .New ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u0072o\u0077\u0020l\u0065\u006e\u0067\u0074\u0068");};_bfdc :=_ae .NewBuffer (nil );_dcaa :=make ([]byte ,_gbeg );for _cbae :=0;_cbae < _aagb ;_cbae ++{_dfgd :=data [_gbeg *_cbae :_gbeg *(_cbae +1)];
_dcaa [0]=_dfgd [0];for _aga :=1;_aga < _gbeg ;_aga ++{_dcaa [_aga ]=byte (int (_dfgd [_aga ]-_dfgd [_aga -1])%256);};_bfdc .WriteByte (1);_bfdc .Write (_dcaa );};data =_bfdc .Bytes ();};var _ega _ae .Buffer ;_fdb :=_cd .NewWriter (&_ega );_fdb .Write (data );
_fdb .Close ();return _ega .Bytes (),nil ;};

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

// Set sets the dictionary's key -> val mapping entry. Overwrites if key already set.
func (_bfbfb *PdfObjectDictionary )Set (key PdfObjectName ,val PdfObject ){_ ,_aabge :=_bfbfb ._acbd [key ];if !_aabge {_bfbfb ._fab =append (_bfbfb ._fab ,key );};_bfbfb ._acbd [key ]=val ;};func (_dcc *offsetReader )Read (p []byte )(_caae int ,_cgdb error ){return _dcc ._gfda .Read (p )};


// WriteString outputs the object as it is to be written to file.
func (_fgdg *PdfObjectDictionary )WriteString ()string {var _aaddc _ef .Builder ;_aaddc .WriteString ("\u003c\u003c");for _ ,_cdec :=range _fgdg ._fab {_cfa :=_fgdg ._acbd [_cdec ];_aaddc .WriteString (_cdec .WriteString ());_aaddc .WriteString ("\u0020");
_aaddc .WriteString (_cfa .WriteString ());};_aaddc .WriteString ("\u003e\u003e");return _aaddc .String ();};var _efcbd =_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");
type objectStream struct{N int ;_gba []byte ;_fge map[int ]int64 ;};

// GetObjectNums returns a sorted list of object numbers of the PDF objects in the file.
func (_dfee *PdfParser )GetObjectNums ()[]int {var _ebccg []int ;for _ ,_agcd :=range _dfee ._gcebb .ObjectMap {_ebccg =append (_ebccg ,_agcd .ObjectNumber );};_dg .Ints (_ebccg );return _ebccg ;};

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

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

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

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

// 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 =='.'};

// 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 _bddd ,_ddfg :=obj .(*PdfObjectReference );_ddfg {obj =_bddd .Resolve ();};_begee ,_dfaf :=obj .(*PdfIndirectObject );_ggga :=0;for _dfaf {obj =_begee .PdfObject ;_begee ,_dfaf =GetIndirect (obj );
_ggga ++;if _ggga > _eaab {_cdd .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",_eaab );
return nil ;};};return obj ;};

// 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 (_cfb *PdfObjectString )Str ()string {return _cfb ._ddgc };

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

// PdfObjectDictionary represents the primitive PDF dictionary/map object.
type PdfObjectDictionary struct{_acbd map[PdfObjectName ]PdfObject ;_fab []PdfObjectName ;_efed *PdfParser ;};func (_cebab *PdfParser )readTextLine ()(string ,error ){var _dccb _ae .Buffer ;for {_dcgb ,_dbbc :=_cebab ._cegf .Peek (1);if _dbbc !=nil {_cdd .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_dbbc .Error ());
return _dccb .String (),_dbbc ;};if (_dcgb [0]!='\r')&&(_dcgb [0]!='\n'){_bffcg ,_ :=_cebab ._cegf .ReadByte ();_dccb .WriteByte (_bffcg );}else {break ;};};return _dccb .String (),nil ;};var _befb =[]byte ("\u0030\u0031\u0032\u003345\u0036\u0037\u0038\u0039\u0061\u0062\u0063\u0064\u0065\u0066\u0041\u0042\u0043\u0044E\u0046");


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

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

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

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

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

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

// Remove removes an element specified by key.
func (_fbcae *PdfObjectDictionary )Remove (key PdfObjectName ){_fgac :=-1;for _fffgg ,_bfaab :=range _fbcae ._fab {if _bfaab ==key {_fgac =_fffgg ;break ;};};if _fgac >=0{_fbcae ._fab =append (_fbcae ._fab [:_fgac ],_fbcae ._fab [_fgac +1:]...);delete (_fbcae ._acbd ,key );
};};

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

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

// 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 )(_fbac *PdfObjectStream ,_beaef bool ){obj =ResolveReference (obj );_fbac ,_beaef =obj .(*PdfObjectStream );return _fbac ,_beaef ;};

// 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 {_bbbg :=PdfObjectString {_ddgc :s };return &_bbbg };

// Resolve resolves a PdfObject to direct object, looking up and resolving references as needed (unlike TraceToDirect).
func (_beg *PdfParser )Resolve (obj PdfObject )(PdfObject ,error ){_afa ,_gdf :=obj .(*PdfObjectReference );if !_gdf {return obj ,nil ;};_bg :=_beg .GetFileOffset ();defer func (){_beg .SetFileOffset (_bg )}();_gbda ,_dff :=_beg .LookupByReference (*_afa );
if _dff !=nil {return nil ,_dff ;};_ecgd ,_dd :=_gbda .(*PdfIndirectObject );if !_dd {return _gbda ,nil ;};_gbda =_ecgd .PdfObject ;_ ,_gdf =_gbda .(*PdfObjectReference );if _gdf {return _ecgd ,_eg .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 _gbda ,nil ;};var (ErrUnsupportedEncodingParameters =_eg .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 =_eg .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 =_eg .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 =_eg .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 =_eg .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");ErrTypeError =_eg .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");ErrRangeError =_eg .New ("\u0072\u0061\u006e\u0067\u0065\u0020\u0063\u0068\u0065\u0063\u006b\u0020e\u0072\u0072\u006f\u0072");
ErrNotSupported =_fa .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 =_eg .New ("\u006e\u006f\u0074 \u0061\u0020\u006e\u0075\u006d\u0062\u0065\u0072");
);

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

// MakeArray creates an PdfObjectArray from a list of PdfObjects.
func MakeArray (objects ...PdfObject )*PdfObjectArray {return &PdfObjectArray {_effaa :objects }};const _eee ="\u0053\u0074\u0064C\u0046";

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

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

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

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

// 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 ){_eacc :=&PdfObjectStream {};if encoder ==nil {encoder =NewRawEncoder ();};_eacc .PdfObjectDictionary =encoder .MakeStreamDict ();_faab ,_afbea :=encoder .EncodeBytes (contents );
if _afbea !=nil {return nil ,_afbea ;};_eacc .PdfObjectDictionary .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_faab ))));_eacc .Stream =_faab ;return _eacc ,nil ;};func (_fdgbb *PdfParser )parseHexString ()(*PdfObjectString ,error ){_fdgbb ._cegf .ReadByte ();
var _ggfd _ae .Buffer ;for {_cegb ,_ebdc :=_fdgbb ._cegf .Peek (1);if _ebdc !=nil {return MakeString (""),_ebdc ;};if _cegb [0]=='>'{_fdgbb ._cegf .ReadByte ();break ;};_fbcac ,_ :=_fdgbb ._cegf .ReadByte ();if _fdgbb ._gaff {if _ae .IndexByte (_befb ,_fbcac )==-1{_fdgbb ._cdcc ._adef =true ;
};};if !IsWhiteSpace (_fbcac ){_ggfd .WriteByte (_fbcac );};};if _ggfd .Len ()%2==1{_fdgbb ._cdcc ._fdef =true ;_ggfd .WriteRune ('0');};_faga ,_ :=_gg .DecodeString (_ggfd .String ());return MakeHexString (string (_faga )),nil ;};

// String returns a descriptive information string about the encryption method used.
func (_cac *PdfCrypt )String ()string {if _cac ==nil {return "";};_abb :=_cac ._fee .Filter +"\u0020\u002d\u0020";if _cac ._fee .V ==0{_abb +="\u0055\u006e\u0064\u006fcu\u006d\u0065\u006e\u0074\u0065\u0064\u0020\u0061\u006c\u0067\u006f\u0072\u0069\u0074h\u006d";
}else if _cac ._fee .V ==1{_abb +="\u0052\u0043\u0034:\u0020\u0034\u0030\u0020\u0062\u0069\u0074\u0073";}else if _cac ._fee .V ==2{_abb +=_b .Sprintf ("\u0052\u0043\u0034:\u0020\u0025\u0064\u0020\u0062\u0069\u0074\u0073",_cac ._fee .Length );}else if _cac ._fee .V ==3{_abb +="U\u006e\u0070\u0075\u0062li\u0073h\u0065\u0064\u0020\u0061\u006cg\u006f\u0072\u0069\u0074\u0068\u006d";
}else if _cac ._fee .V >=4{_abb +=_b .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",_cac ._aeeb ,_cac ._ab );
_abb +="\u003b\u0020C\u0072\u0079\u0070t\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0073\u003a";for _bgd ,_ebgd :=range _cac ._afae {_abb +=_b .Sprintf ("\u0020\u002d\u0020\u0025\u0073\u003a\u0020\u0025\u0073 \u0028\u0025\u0064\u0029",_bgd ,_ebgd .Name (),_ebgd .KeyLength ());
};};_ffgd :=_cac .GetAccessPermissions ();_abb +=_b .Sprintf ("\u0020\u002d\u0020\u0025\u0023\u0076",_ffgd );return _abb ;};func (_adcd *JBIG2Image )toBitmap ()(_dafd *_dee .Bitmap ,_fgade error ){const _cacc ="\u004a\u0042\u0049\u00472I\u006d\u0061\u0067\u0065\u002e\u0074\u006f\u0042\u0069\u0074\u006d\u0061\u0070";
if _adcd .Data ==nil {return nil ,_fe .Error (_cacc ,"\u0069\u006d\u0061\u0067e \u0064\u0061\u0074\u0061\u0020\u006e\u006f\u0074\u0020\u0064\u0065\u0066\u0069\u006ee\u0064");};if _adcd .Width ==0||_adcd .Height ==0{return nil ,_fe .Error (_cacc ,"\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 _adcd .HasPadding {_dafd ,_fgade =_dee .NewWithData (_adcd .Width ,_adcd .Height ,_adcd .Data );}else {_dafd ,_fgade =_dee .NewWithUnpaddedData (_adcd .Width ,_adcd .Height ,_adcd .Data );};if _fgade !=nil {return nil ,_fe .Wrap (_fgade ,_cacc ,"");
};return _dafd ,nil ;};

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

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

// PdfObjectNull represents the primitive PDF null object.
type PdfObjectNull struct{};func _ebeb (_gfbd *PdfObjectStream ,_bcc *MultiEncoder )(*DCTEncoder ,error ){_aaeb :=NewDCTEncoder ();_bcge :=_gfbd .PdfObjectDictionary ;if _bcge ==nil {return _aaeb ,nil ;};_afde :=_gfbd .Stream ;if _bcc !=nil {_ecd ,_gae :=_bcc .DecodeBytes (_afde );
if _gae !=nil {return nil ,_gae ;};_afde =_ecd ;};_bbed :=_ae .NewReader (_afde );_gdeg ,_cee :=_c .DecodeConfig (_bbed );if _cee !=nil {_cdd .Log .Debug ("\u0045\u0072\u0072or\u0020\u0064\u0065\u0063\u006f\u0064\u0069\u006e\u0067\u0020\u0066\u0069\u006c\u0065\u003a\u0020\u0025\u0073",_cee );
return nil ,_cee ;};switch _gdeg .ColorModel {case _db .RGBAModel :_aaeb .BitsPerComponent =8;_aaeb .ColorComponents =3;case _db .RGBA64Model :_aaeb .BitsPerComponent =16;_aaeb .ColorComponents =3;case _db .GrayModel :_aaeb .BitsPerComponent =8;_aaeb .ColorComponents =1;
case _db .Gray16Model :_aaeb .BitsPerComponent =16;_aaeb .ColorComponents =1;case _db .CMYKModel :_aaeb .BitsPerComponent =8;_aaeb .ColorComponents =4;case _db .YCbCrModel :_aaeb .BitsPerComponent =8;_aaeb .ColorComponents =3;default:return nil ,_eg .New ("\u0075\u006e\u0073up\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u006d\u006f\u0064\u0065\u006c");
};_aaeb .Width =_gdeg .Width ;_aaeb .Height =_gdeg .Height ;_cdd .Log .Trace ("\u0044\u0043T\u0020\u0045\u006ec\u006f\u0064\u0065\u0072\u003a\u0020\u0025\u002b\u0076",_aaeb );_aaeb .Quality =DefaultJPEGQuality ;return _aaeb ,nil ;};

// EncodeBytes encodes data into ASCII85 encoded format.
func (_ddg *ASCII85Encoder )EncodeBytes (data []byte )([]byte ,error ){var _ebfc _ae .Buffer ;for _gefe :=0;_gefe < len (data );_gefe +=4{_gcc :=data [_gefe ];_cdc :=1;_ggdfe :=byte (0);if _gefe +1< len (data ){_ggdfe =data [_gefe +1];_cdc ++;};_aec :=byte (0);
if _gefe +2< len (data ){_aec =data [_gefe +2];_cdc ++;};_gdgc :=byte (0);if _gefe +3< len (data ){_gdgc =data [_gefe +3];_cdc ++;};_aegf :=(uint32 (_gcc )<<24)|(uint32 (_ggdfe )<<16)|(uint32 (_aec )<<8)|uint32 (_gdgc );if _aegf ==0{_ebfc .WriteByte ('z');
}else {_bdd :=_ddg .base256Tobase85 (_aegf );for _ ,_facc :=range _bdd [:_cdc +1]{_ebfc .WriteByte (_facc +'!');};};};_ebfc .WriteString ("\u007e\u003e");return _ebfc .Bytes (),nil ;};

// ParserMetadata is the parser based metadata information about document.
// The data here could be used on document verification.
type ParserMetadata struct{_fce int ;_dfea bool ;_gef [4]byte ;_dbad bool ;_fdef bool ;_adef bool ;_dcdf bool ;_ege bool ;_cae bool ;};

// Append appends PdfObject(s) to the array.
func (_ggaa *PdfObjectArray )Append (objects ...PdfObject ){if _ggaa ==nil {_cdd .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 ;};_ggaa ._effaa =append (_ggaa ._effaa ,objects ...);};

// HasNonConformantStream implements core.ParserMetadata.
func (_cgfg ParserMetadata )HasNonConformantStream ()bool {return _cgfg ._dcdf };

// DecodeBytes decodes byte array with ASCII85. 5 ASCII characters -> 4 raw binary bytes
func (_bbgc *ASCII85Encoder )DecodeBytes (encoded []byte )([]byte ,error ){var _fgfe []byte ;_cdd .Log .Trace ("\u0041\u0053\u0043\u0049\u0049\u0038\u0035\u0020\u0044e\u0063\u006f\u0064\u0065");_deedg :=0;_cfefc :=false ;for _deedg < len (encoded )&&!_cfefc {_gfaa :=[5]byte {0,0,0,0,0};
_eefd :=0;_bfaa :=0;_bgfg :=4;for _bfaa < 5+_eefd {if _deedg +_bfaa ==len (encoded ){break ;};_ggee :=encoded [_deedg +_bfaa ];if IsWhiteSpace (_ggee ){_eefd ++;_bfaa ++;continue ;}else if _ggee =='~'&&_deedg +_bfaa +1< len (encoded )&&encoded [_deedg +_bfaa +1]=='>'{_bgfg =(_bfaa -_eefd )-1;
if _bgfg < 0{_bgfg =0;};_cfefc =true ;break ;}else if _ggee >='!'&&_ggee <='u'{_ggee -='!';}else if _ggee =='z'&&_bfaa -_eefd ==0{_bgfg =4;_bfaa ++;break ;}else {_cdd .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 ,_eg .New ("\u0069n\u0076\u0061\u006c\u0069\u0064\u0020\u0063\u006f\u0064\u0065\u0020e\u006e\u0063\u006f\u0075\u006e\u0074\u0065\u0072\u0065\u0064");};_gfaa [_bfaa -_eefd ]=_ggee ;_bfaa ++;};_deedg +=_bfaa ;for _bege :=_bgfg +1;_bege < 5;_bege ++{_gfaa [_bege ]=84;
};_cbgg :=uint32 (_gfaa [0])*85*85*85*85+uint32 (_gfaa [1])*85*85*85+uint32 (_gfaa [2])*85*85+uint32 (_gfaa [3])*85+uint32 (_gfaa [4]);_ecbf :=[]byte {byte ((_cbgg >>24)&0xff),byte ((_cbgg >>16)&0xff),byte ((_cbgg >>8)&0xff),byte (_cbgg &0xff)};_fgfe =append (_fgfe ,_ecbf [:_bgfg ]...);
};_cdd .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0065\u006e\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",encoded );_cdd .Log .Trace ("A\u0053\u0043\u0049\u004985\u002c \u0064\u0065\u0063\u006f\u0064e\u0064\u003a\u0020\u0025\u0020\u0058",_fgfe );
return _fgfe ,nil ;};

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

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

// GetAsFloat64Slice returns the array as []float64 slice.
// Returns an error if not entirely numeric (only PdfObjectIntegers, PdfObjectFloats).
func (_geae *PdfObjectArray )GetAsFloat64Slice ()([]float64 ,error ){var _cdgg []float64 ;for _ ,_ecec :=range _geae .Elements (){_cada ,_befd :=GetNumberAsFloat (TraceToDirectObject (_ecec ));if _befd !=nil {return nil ,_b .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");
};_cdgg =append (_cdgg ,_cada );};return _cdgg ,nil ;};

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

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

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

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

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

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

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

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

// MakeDecodeParams makes a new instance of an encoding dictionary based on
// the current encoder settings.
func (_ccda *MultiEncoder )MakeDecodeParams ()PdfObject {if len (_ccda ._aeab )==0{return nil ;};if len (_ccda ._aeab )==1{return _ccda ._aeab [0].MakeDecodeParams ();};_dddc :=MakeArray ();_bafc :=true ;for _ ,_cbdd :=range _ccda ._aeab {_bcaa :=_cbdd .MakeDecodeParams ();
if _bcaa ==nil {_dddc .Append (MakeNull ());}else {_bafc =false ;_dddc .Append (_bcaa );};};if _bafc {return nil ;};return _dddc ;};

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

// String returns a string describing `stream`.
func (_bdbe *PdfObjectStream )String ()string {return _b .Sprintf ("O\u0062j\u0065\u0063\u0074\u0020\u0073\u0074\u0072\u0065a\u006d\u0020\u0025\u0064: \u0025\u0073",_bdbe .ObjectNumber ,_bdbe .PdfObjectDictionary );};func (_abfa *PdfParser )checkPostEOFData ()error {const _dfd ="\u0025\u0025\u0045O\u0046";
_ ,_ccdd :=_abfa ._bcda .Seek (-int64 (len ([]byte (_dfd )))-1,_gc .SeekEnd );if _ccdd !=nil {return _ccdd ;};_dgff :=make ([]byte ,len ([]byte (_dfd ))+1);_ ,_ccdd =_abfa ._bcda .Read (_dgff );if _ccdd !=nil {if _ccdd !=_gc .EOF {return _ccdd ;};};if string (_dgff )==_dfd ||string (_dgff )==_dfd +"\u000a"{_abfa ._cdcc ._dbad =true ;
};return nil ;};func (_gea *PdfCrypt )decryptBytes (_feb []byte ,_fcd string ,_adcb []byte )([]byte ,error ){_cdd .Log .Trace ("\u0044\u0065\u0063\u0072\u0079\u0070\u0074\u0020\u0062\u0079\u0074\u0065\u0073");_febd ,_cge :=_gea ._afae [_fcd ];if !_cge {return nil ,_b .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_fcd );
};return _febd .DecryptBytes (_feb ,_adcb );};

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

// GetFileOffset returns the current file offset, accounting for buffered position.
func (_dbfb *PdfParser )GetFileOffset ()int64 {_cade ,_ :=_dbfb ._bcda .Seek (0,_gc .SeekCurrent );_cade -=int64 (_dbfb ._cegf .Buffered ());return _cade ;};

// 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 )(_cbacd *PdfObjectArray ,_acff bool ){_cbacd ,_acff =TraceToDirectObject (obj ).(*PdfObjectArray );return _cbacd ,_acff ;};

// 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};

// 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 )(_fdfb string ,_dada bool ){_bcggg ,_dada :=TraceToDirectObject (obj ).(*PdfObjectString );if _dada {return _bcggg .Str (),true ;};return ;};

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

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

// String returns a string describing `ind`.
func (_cebae *PdfIndirectObject )String ()string {return _b .Sprintf ("\u0049\u004f\u0062\u006a\u0065\u0063\u0074\u003a\u0025\u0064",(*_cebae ).ObjectNumber );};func (_bagg *PdfParser )seekToEOFMarker (_eada int64 )error {var _eade int64 ;var _egagc int64 =2048;
for _eade < _eada -4{if _eada <=(_egagc +_eade ){_egagc =_eada -_eade ;};_ ,_dcged :=_bagg ._bcda .Seek (-_eade -_egagc ,_gc .SeekEnd );if _dcged !=nil {return _dcged ;};_caed :=make ([]byte ,_egagc );_bagg ._bcda .Read (_caed );_cdd .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 (_caed ));
_bcebb :=_fcdb .FindAllStringIndex (string (_caed ),-1);if _bcebb !=nil {_fcgdd :=_bcebb [len (_bcebb )-1];_cdd .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_bcebb );_efddd :=-_eade -_egagc +int64 (_fcgdd [0]);_bagg ._bcda .Seek (_efddd ,_gc .SeekEnd );
return nil ;};_cdd .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");
_eade +=_egagc -4;};_cdd .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 _eg .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};func (_dcd *PdfCrypt )loadCryptFilters (_bedf *PdfObjectDictionary )error {_dcd ._afae =cryptFilters {};_ebff :=_bedf .Get ("\u0043\u0046");_ebff =TraceToDirectObject (_ebff );if _ga ,_ebef :=_ebff .(*PdfObjectReference );_ebef {_dbaa ,_eda :=_dcd ._faee .LookupByReference (*_ga );
if _eda !=nil {_cdd .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 _eda ;};_ebff =TraceToDirectObject (_dbaa );};_dafg ,_agfb :=_ebff .(*PdfObjectDictionary );
if !_agfb {_cdd .Log .Debug ("I\u006ev\u0061\u006c\u0069\u0064\u0020\u0043\u0046\u002c \u0074\u0079\u0070\u0065: \u0025\u0054",_ebff );return _eg .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0046");};for _ ,_bdb :=range _dafg .Keys (){_dgc :=_dafg .Get (_bdb );
if _dga ,_faf :=_dgc .(*PdfObjectReference );_faf {_efa ,_dbb :=_dcd ._faee .LookupByReference (*_dga );if _dbb !=nil {_cdd .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 _dbb ;};_dgc =TraceToDirectObject (_efa );};_deac ,_adf :=_dgc .(*PdfObjectDictionary );if !_adf {return _b .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",_bdb ,_dgc );
};if _bdb =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{_cdd .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 _ecaeb _be .FilterDict ;if _acc :=_cfe (&_ecaeb ,_deac );_acc !=nil {return _acc ;};_eeg ,_egd :=_be .NewFilter (_ecaeb );if _egd !=nil {return _egd ;};_dcd ._afae [string (_bdb )]=_eeg ;};_dcd ._afae ["\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"]=_be .NewIdentity ();
_dcd ._ab ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _gcb ,_bdfd :=_bedf .Get ("\u0053\u0074\u0072\u0046").(*PdfObjectName );_bdfd {if _ ,_ffbd :=_dcd ._afae [string (*_gcb )];!_ffbd {return _b .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",*_gcb );
};_dcd ._ab =string (*_gcb );};_dcd ._aeeb ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _gdg ,_aebf :=_bedf .Get ("\u0053\u0074\u006d\u0046").(*PdfObjectName );_aebf {if _ ,_dae :=_dcd ._afae [string (*_gdg )];!_dae {return _b .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",*_gdg );
};_dcd ._aeeb =string (*_gdg );};return nil ;};

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

// PdfVersion returns version of the PDF file.
func (_bfag *PdfParser )PdfVersion ()Version {return _bfag ._cdbd };func (_bcd *PdfCrypt )makeKey (_fde string ,_dge ,_adb uint32 ,_gbbc []byte )([]byte ,error ){_afbe ,_bea :=_bcd ._afae [_fde ];if !_bea {return nil ,_b .Errorf ("\u0075n\u006b\u006e\u006f\u0077n\u0020\u0063\u0072\u0079\u0070t\u0020f\u0069l\u0074\u0065\u0072\u0020\u0028\u0025\u0073)",_fde );
};return _afbe .MakeKey (_dge ,_adb ,_gbbc );};

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

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

// String returns a string describing `d`.
func (_gaed *PdfObjectDictionary )String ()string {var _cdfa _ef .Builder ;_cdfa .WriteString ("\u0044\u0069\u0063t\u0028");for _ ,_ecbdg :=range _gaed ._fab {_dbfg :=_gaed ._acbd [_ecbdg ];_cdfa .WriteString ("\u0022"+_ecbdg .String ()+"\u0022\u003a\u0020");
_cdfa .WriteString (_dbfg .String ());_cdfa .WriteString ("\u002c\u0020");};_cdfa .WriteString ("\u0029");return _cdfa .String ();};func _ecgde (_daee *PdfObjectStream ,_gbdf *PdfObjectDictionary )(*RunLengthEncoder ,error ){return NewRunLengthEncoder (),nil ;
};

// 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 (_cafb *PdfParser )IsEncrypted ()(bool ,error ){if _cafb ._aegc !=nil {return true ,nil ;}else if _cafb ._debe ==nil {return false ,nil ;};_cdd .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");
_ceac :=_cafb ._debe .Get ("\u0045n\u0063\u0072\u0079\u0070\u0074");if _ceac ==nil {return false ,nil ;};_cdd .Log .Trace ("\u0049\u0073\u0020\u0065\u006e\u0063\u0072\u0079\u0070\u0074\u0065\u0064\u0021");var (_daae *PdfObjectDictionary ;);switch _dade :=_ceac .(type ){case *PdfObjectDictionary :_daae =_dade ;
case *PdfObjectReference :_cdd .Log .Trace ("\u0030\u003a\u0020\u004c\u006f\u006f\u006b\u0020\u0075\u0070\u0020\u0072e\u0066\u0020\u0025\u0071",_dade );_bega ,_abfeg :=_cafb .LookupByReference (*_dade );_cdd .Log .Trace ("\u0031\u003a\u0020%\u0071",_bega );
if _abfeg !=nil {return false ,_abfeg ;};_ebefb ,_adcf :=_bega .(*PdfIndirectObject );if !_adcf {_cdd .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 ,_eg .New ("\u0074\u0079p\u0065\u0020\u0063h\u0065\u0063\u006b\u0020\u0065\u0072\u0072\u006f\u0072");};_bfgg ,_adcf :=_ebefb .PdfObject .(*PdfObjectDictionary );_cafb ._fdad =_ebefb ;_cdd .Log .Trace ("\u0032\u003a\u0020%\u0071",_bfgg );if !_adcf {return false ,_eg .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");
};_daae =_bfgg ;case *PdfObjectNull :_cdd .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 ,_b .Errorf ("u\u006es\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064 \u0074\u0079\u0070\u0065: \u0025\u0054",_dade );};_bdecb ,_eege :=PdfCryptNewDecrypt (_cafb ,_daae ,_cafb ._debe );if _eege !=nil {return false ,_eege ;
};for _ ,_cbgdg :=range []string {"\u0045n\u0063\u0072\u0079\u0070\u0074"}{_fedb :=_cafb ._debe .Get (PdfObjectName (_cbgdg ));if _fedb ==nil {continue ;};switch _eceg :=_fedb .(type ){case *PdfObjectReference :_bdecb ._bdf [int (_eceg .ObjectNumber )]=struct{}{};
case *PdfIndirectObject :_bdecb ._bedc [_eceg ]=true ;_bdecb ._bdf [int (_eceg .ObjectNumber )]=struct{}{};};};_cafb ._aegc =_bdecb ;_cdd .Log .Trace ("\u0043\u0072\u0079\u0070\u0074\u0065\u0072\u0020\u006f\u0062\u006a\u0065c\u0074\u0020\u0025\u0062",_bdecb );
return true ,nil ;};

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

// MakeStreamDict makes a new instance of an encoding dictionary for a stream object.
func (_cdbe *MultiEncoder )MakeStreamDict ()*PdfObjectDictionary {_ggbb :=MakeDict ();_ggbb .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",_cdbe .GetFilterArray ());for _ ,_fdedc :=range _cdbe ._aeab {_fefc :=_fdedc .MakeStreamDict ();for _ ,_cgce :=range _fefc .Keys (){_fcc :=_fefc .Get (_cgce );
if _cgce !="\u0046\u0069\u006c\u0074\u0065\u0072"&&_cgce !="D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073"{_ggbb .Set (_cgce ,_fcc );};};};_bac :=_cdbe .MakeDecodeParams ();if _bac !=nil {_ggbb .Set ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073",_bac );
};return _ggbb ;};

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

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

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

// DCTEncoder provides a DCT (JPG) encoding/decoding functionality for images.
type DCTEncoder struct{ColorComponents int ;BitsPerComponent int ;Width int ;Height int ;Quality int ;};

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

// 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 )(_cadag float64 ,_fgdgc bool ){_dddf ,_fgdgc :=TraceToDirectObject (obj ).(*PdfObjectFloat );if _fgdgc {return float64 (*_dddf ),true ;};return 0,false ;};var _cacb =_a .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");


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

// NewParserFromString is used for testing purposes.
func NewParserFromString (txt string )*PdfParser {_cdce :=_ae .NewReader ([]byte (txt ));_faea :=&PdfParser {ObjCache :objectCache {},_bcda :_cdce ,_cegf :_fg .NewReader (_cdce ),_afgg :int64 (len (txt )),_gddg :map[int64 ]bool {}};_faea ._gcebb .ObjectMap =make (map[int ]XrefObject );
return _faea ;};

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

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

// 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 )(_egfb *PdfObjectDictionary ,_gdcec bool ){_egfb ,_gdcec =TraceToDirectObject (obj ).(*PdfObjectDictionary );return _egfb ,_gdcec ;};func _bbfad (_gcbb int )int {if _gcbb < 0{return -_gcbb ;};return _gcbb ;};func (_ac *PdfCrypt )newEncryptDict ()*PdfObjectDictionary {_deabe :=MakeDict ();
_deabe .Set ("\u0046\u0069\u006c\u0074\u0065\u0072",MakeName ("\u0053\u0074\u0061\u006e\u0064\u0061\u0072\u0064"));_deabe .Set ("\u0056",MakeInteger (int64 (_ac ._fee .V )));_deabe .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (_ac ._fee .Length )));
return _deabe ;};

// 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 ;_ff []XrefObject ;};func _fecf (_geebg *PdfObjectStream ,_baef *PdfObjectDictionary )(*JBIG2Encoder ,error ){const _ecdg ="\u006ee\u0077\u004a\u0042\u0049G\u0032\u0044\u0065\u0063\u006fd\u0065r\u0046r\u006f\u006d\u0053\u0074\u0072\u0065\u0061m";
_ccfd :=NewJBIG2Encoder ();_efec :=_geebg .PdfObjectDictionary ;if _efec ==nil {return _ccfd ,nil ;};if _baef ==nil {_cedg :=_efec .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073");if _cedg !=nil {switch _bffd :=_cedg .(type ){case *PdfObjectDictionary :_baef =_bffd ;
case *PdfObjectArray :if _bffd .Len ()==1{if _gbgg ,_gcecf :=GetDict (_bffd .Get (0));_gcecf {_baef =_gbgg ;};};default:_cdd .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",_cedg );
return nil ,_fe .Errorf (_ecdg ,"\u0069\u006e\u0076\u0061l\u0069\u0064\u0020\u0044\u0065\u0063\u006f\u0064\u0065\u0050a\u0072m\u0073\u0020\u0074\u0079\u0070\u0065\u003a \u0025\u0054",_bffd );};};};if _baef ==nil {return _ccfd ,nil ;};_ccfd .UpdateParams (_baef );
_eegb ,_edea :=GetStream (_baef .Get ("\u004a\u0042\u0049G\u0032\u0047\u006c\u006f\u0062\u0061\u006c\u0073"));if !_edea {return _ccfd ,nil ;};var _eecc error ;_ccfd .Globals ,_eecc =_gb .DecodeGlobals (_eegb .Stream );if _eecc !=nil {_eecc =_fe .Wrap (_eecc ,_ecdg ,"\u0063\u006f\u0072\u0072u\u0070\u0074\u0065\u0064\u0020\u006a\u0062\u0069\u0067\u0032 \u0065n\u0063\u006f\u0064\u0065\u0064\u0020\u0064a\u0074\u0061");
_cdd .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_eecc );return nil ,_eecc ;};return _ccfd ,nil ;};

// 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 )(_agbfa *PdfObjectString ,_eagg bool ){_agbfa ,_eagg =TraceToDirectObject (obj ).(*PdfObjectString );return _agbfa ,_eagg ;};

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

// For predictors
Columns int ;Colors int ;

// LZW algorithm setting.
EarlyChange int ;};func (_gefbb *PdfParser )skipComments ()error {if _ ,_afdf :=_gefbb .skipSpaces ();_afdf !=nil {return _afdf ;};_aefd :=true ;for {_ebecd ,_eaaf :=_gefbb ._cegf .Peek (1);if _eaaf !=nil {_cdd .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_eaaf .Error ());
return _eaaf ;};if _aefd &&_ebecd [0]!='%'{return nil ;};_aefd =false ;if (_ebecd [0]!='\r')&&(_ebecd [0]!='\n'){_gefbb ._cegf .ReadByte ();}else {break ;};};return _gefbb .skipComments ();};

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

// Validate validates the page settings for the JBIG2 encoder.
func (_bgdcf JBIG2EncoderSettings )Validate ()error {const _abff ="\u0076a\u006ci\u0064\u0061\u0074\u0065\u0045\u006e\u0063\u006f\u0064\u0065\u0072";if _bgdcf .Threshold < 0||_bgdcf .Threshold > 1.0{return _fe .Errorf (_abff ,"\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",_bgdcf .Threshold );
};if _bgdcf .ResolutionX < 0{return _fe .Errorf (_abff ,"\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",_bgdcf .ResolutionX );
};if _bgdcf .ResolutionY < 0{return _fe .Errorf (_abff ,"\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",_bgdcf .ResolutionY );
};if _bgdcf .DefaultPixelValue !=0&&_bgdcf .DefaultPixelValue !=1{return _fe .Errorf (_abff ,"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}",_bgdcf .DefaultPixelValue );
};if _bgdcf .Compression !=JB2Generic {return _fe .Errorf (_abff ,"\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 ;};func (_bgeb *ASCII85Encoder )base256Tobase85 (_efdd uint32 )[5]byte {_cafd :=[5]byte {0,0,0,0,0};_ggbfa :=_efdd ;for _adfb :=0;_adfb < 5;_adfb ++{_bbda :=uint32 (1);for _gebg :=0;_gebg < 4-_adfb ;_gebg ++{_bbda *=85;};_bebc :=_ggbfa /_bbda ;
_ggbfa =_ggbfa %_bbda ;_cafd [_adfb ]=byte (_bebc );};return _cafd ;};func (_ded *PdfParser )loadXrefs ()(*PdfObjectDictionary ,error ){_ded ._gcebb .ObjectMap =make (map[int ]XrefObject );_ded ._eebb =make (objectStreams );_aecf ,_dbed :=_ded ._bcda .Seek (0,_gc .SeekEnd );
if _dbed !=nil {return nil ,_dbed ;};_cdd .Log .Trace ("\u0066s\u0069\u007a\u0065\u003a\u0020\u0025d",_aecf );_ded ._afgg =_aecf ;_dbed =_ded .seekToEOFMarker (_aecf );if _dbed !=nil {_cdd .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",_dbed );
return nil ,_dbed ;};_dbae ,_dbed :=_ded ._bcda .Seek (0,_gc .SeekCurrent );if _dbed !=nil {return nil ,_dbed ;};var _bdgb int64 =64;_eadb :=_dbae -_bdgb ;if _eadb < 0{_eadb =0;};_ ,_dbed =_ded ._bcda .Seek (_eadb ,_gc .SeekStart );if _dbed !=nil {return nil ,_dbed ;
};_gcge :=make ([]byte ,_bdgb );_ ,_dbed =_ded ._bcda .Read (_gcge );if _dbed !=nil {_cdd .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",_dbed );
return nil ,_dbed ;};_egffa :=_bcbf .FindStringSubmatch (string (_gcge ));if len (_egffa )< 2{_cdd .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 ,_eg .New ("\u0073\u0074\u0061\u0072tx\u0072\u0065\u0066\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};if len (_egffa )> 2{_cdd .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",_gcge );
return nil ,_eg .New ("m\u0075\u006c\u0074\u0069\u0070\u006ce\u0020\u0073\u0074\u0061\u0072\u0074\u0078\u0072\u0065f\u0020\u0065\u006et\u0072i\u0065\u0073\u003f");};_bdecd ,_ :=_d .ParseInt (_egffa [1],10,64);_cdd .Log .Trace ("\u0073t\u0061r\u0074\u0078\u0072\u0065\u0066\u0020\u0061\u0074\u0020\u0025\u0064",_bdecd );
if _bdecd > _aecf {_cdd .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");_cdd .Log .Debug ("\u0041\u0074\u0074\u0065\u006d\u0070\u0074\u0069\u006e\u0067\u0020\u0072e\u0070\u0061\u0069\u0072");
_bdecd ,_dbed =_ded .repairLocateXref ();if _dbed !=nil {_cdd .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 ,_dbed ;};};_ded ._bcda .Seek (_bdecd ,_gc .SeekStart );_ded ._cegf =_fg .NewReader (_ded ._bcda );_cgefg ,_dbed :=_ded .parseXref ();if _dbed !=nil {return nil ,_dbed ;};_aaad :=_cgefg .Get ("\u0058R\u0065\u0066\u0053\u0074\u006d");if _aaad !=nil {_cdbdd ,_cfee :=_aaad .(*PdfObjectInteger );
if !_cfee {return nil ,_eg .New ("\u0058\u0052\u0065\u0066\u0053\u0074\u006d\u0020\u0021=\u0020\u0069\u006e\u0074");};_ ,_dbed =_ded .parseXrefStream (_cdbdd );if _dbed !=nil {return nil ,_dbed ;};};var _gefbc []int64 ;_ceff :=func (_faffg int64 ,_fgec []int64 )bool {for _ ,_bbfa :=range _fgec {if _bbfa ==_faffg {return true ;
};};return false ;};_aaad =_cgefg .Get ("\u0050\u0072\u0065\u0076");for _aaad !=nil {_bgae ,_ggba :=_aaad .(*PdfObjectInteger );if !_ggba {_cdd .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",_aaad );
return _cgefg ,nil ;};_dad :=*_bgae ;_cdd .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",_dad );_ded ._bcda .Seek (int64 (_dad ),_gc .SeekStart );
_ded ._cegf =_fg .NewReader (_ded ._bcda );_dcdfa ,_fddb :=_ded .parseXref ();if _fddb !=nil {_cdd .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");
_cdd .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 ;};_aaad =_dcdfa .Get ("\u0050\u0072\u0065\u0076");
if _aaad !=nil {_fgfeb :=*(_aaad .(*PdfObjectInteger ));if _ceff (int64 (_fgfeb ),_gefbc ){_cdd .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 ;};_gefbc =append (_gefbc ,int64 (_fgfeb ));};};return _cgefg ,nil ;};

// Append appends PdfObject(s) to the streams.
func (_ageb *PdfObjectStreams )Append (objects ...PdfObject ){if _ageb ==nil {_cdd .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 ;};_ageb ._edde =append (_ageb ._edde ,objects ...);};

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

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

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

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

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

// For predictors
Columns int ;Rows int ;Colors int ;_cdbf *_aa .ImageBase ;};

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

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

// IsHexadecimal checks if the PdfObjectString contains Hexadecimal data.
func (_fceca *PdfObjectString )IsHexadecimal ()bool {return _fceca ._eebg };func (_fgcb *PdfParser )repairRebuildXrefsTopDown ()(*XrefTable ,error ){if _fgcb ._gece {return nil ,_b .Errorf ("\u0072\u0065\u0070\u0061\u0069\u0072\u0020\u0066\u0061\u0069\u006c\u0065\u0064");
};_fgcb ._gece =true ;_fgcb ._bcda .Seek (0,_gc .SeekStart );_fgcb ._cegf =_fg .NewReader (_fgcb ._bcda );_bfabc :=20;_caede :=make ([]byte ,_bfabc );_bfcffb :=XrefTable {};_bfcffb .ObjectMap =make (map[int ]XrefObject );for {_bfda ,_dfced :=_fgcb ._cegf .ReadByte ();
if _dfced !=nil {if _dfced ==_gc .EOF {break ;}else {return nil ,_dfced ;};};if _bfda =='j'&&_caede [_bfabc -1]=='b'&&_caede [_bfabc -2]=='o'&&IsWhiteSpace (_caede [_bfabc -3]){_fcdac :=_bfabc -4;for IsWhiteSpace (_caede [_fcdac ])&&_fcdac > 0{_fcdac --;
};if _fcdac ==0||!IsDecimalDigit (_caede [_fcdac ]){continue ;};for IsDecimalDigit (_caede [_fcdac ])&&_fcdac > 0{_fcdac --;};if _fcdac ==0||!IsWhiteSpace (_caede [_fcdac ]){continue ;};for IsWhiteSpace (_caede [_fcdac ])&&_fcdac > 0{_fcdac --;};if _fcdac ==0||!IsDecimalDigit (_caede [_fcdac ]){continue ;
};for IsDecimalDigit (_caede [_fcdac ])&&_fcdac > 0{_fcdac --;};if _fcdac ==0{continue ;};_fffc :=_fgcb .GetFileOffset ()-int64 (_bfabc -_fcdac );_acafg :=append (_caede [_fcdac +1:],_bfda );_fagg ,_acfe ,_efcff :=_acfgg (string (_acafg ));if _efcff !=nil {_cdd .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",_efcff );
return nil ,_efcff ;};if _dadea ,_fafc :=_bfcffb .ObjectMap [_fagg ];!_fafc ||_dadea .Generation < _acfe {_fgef :=XrefObject {};_fgef .XType =XrefTypeTableEntry ;_fgef .ObjectNumber =_fagg ;_fgef .Generation =_acfe ;_fgef .Offset =_fffc ;_bfcffb .ObjectMap [_fagg ]=_fgef ;
};};_caede =append (_caede [1:_bfabc ],_bfda );};_fgcb ._geec =nil ;return &_bfcffb ,nil ;};

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

// RegisterCustomStreamEncoder register a custom encoder handler for certain filter.
func RegisterCustomStreamEncoder (filterName string ,customStreamEncoder StreamEncoder ){_ecbdgg .Store (filterName ,customStreamEncoder );};var _ccc =[]PdfObjectName {"\u0056","\u0052","\u004f","\u0055","\u0050"};

// HasInvalidSeparationAfterXRef implements core.ParserMetadata interface.
func (_bdfc ParserMetadata )HasInvalidSeparationAfterXRef ()bool {return _bdfc ._cae };

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

// 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 ){_cccc ,_bdbac :=obj .(*PdfObjectReference );if _bdbac {obj =TraceToDirectObject (_cccc );};switch _cbdda :=obj .(type ){case *PdfObjectFloat :_cdd .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 (*_cbdda ),nil ;case *PdfObjectInteger :return int64 (*_cbdda ),nil ;};return 0,ErrNotANumber ;};

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

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

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

// EncodeBytes DCT encodes the passed in slice of bytes.
func (_eafd *DCTEncoder )EncodeBytes (data []byte )([]byte ,error ){var _eaae _eca .Image ;if _eafd .ColorComponents ==1&&_eafd .BitsPerComponent ==8{_eaae =&_eca .Gray {Rect :_eca .Rect (0,0,_eafd .Width ,_eafd .Height ),Pix :data ,Stride :_aa .BytesPerLine (_eafd .Width ,_eafd .BitsPerComponent ,_eafd .ColorComponents )};
}else {var _cfg error ;_eaae ,_cfg =_aa .NewImage (_eafd .Width ,_eafd .Height ,_eafd .BitsPerComponent ,_eafd .ColorComponents ,data ,nil ,nil );if _cfg !=nil {return nil ,_cfg ;};};_bfbf :=_c .Options {};_bfbf .Quality =_eafd .Quality ;var _gdga _ae .Buffer ;
if _dced :=_c .Encode (&_gdga ,_eaae ,&_bfbf );_dced !=nil {return nil ,_dced ;};return _gdga .Bytes (),nil ;};

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

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

// GetEncryptObj returns the PdfIndirectObject which has information about the PDFs encryption details.
func (_bffef *PdfParser )GetEncryptObj ()*PdfIndirectObject {return _bffef ._fdad };

// 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 (_ceba *PdfCrypt )Encrypt (obj PdfObject ,parentObjNum ,parentGenNum int64 )error {if _ceba .isEncrypted (obj ){return nil ;};switch _eccb :=obj .(type ){case *PdfIndirectObject :_ceba ._bfbc [_eccb ]=true ;_cdd .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",_eccb .ObjectNumber ,_eccb .GenerationNumber );
_aega :=_eccb .ObjectNumber ;_edd :=_eccb .GenerationNumber ;_adcc :=_ceba .Encrypt (_eccb .PdfObject ,_aega ,_edd );if _adcc !=nil {return _adcc ;};return nil ;case *PdfObjectStream :_ceba ._bfbc [_eccb ]=true ;_cba :=_eccb .PdfObjectDictionary ;if _bec ,_gfa :=_cba .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_gfa &&*_bec =="\u0058\u0052\u0065\u0066"{return nil ;};_ggdf :=_eccb .ObjectNumber ;_aad :=_eccb .GenerationNumber ;_cdd .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070t\u0069\u006e\u0067\u0020\u0073t\u0072e\u0061m\u0020\u0025\u0064\u0020\u0025\u0064\u0020!",_ggdf ,_aad );
_egcca :=_eee ;if _ceba ._fee .V >=4{_egcca =_ceba ._aeeb ;_cdd .Log .Trace ("\u0074\u0068\u0069\u0073.s\u0074\u0072\u0065\u0061\u006d\u0046\u0069\u006c\u0074\u0065\u0072\u0020\u003d\u0020%\u0073",_ceba ._aeeb );if _eegd ,_bce :=_cba .Get ("\u0046\u0069\u006c\u0074\u0065\u0072").(*PdfObjectArray );
_bce {if _dbgdd ,_bgc :=GetName (_eegd .Get (0));_bgc {if *_dbgdd =="\u0043\u0072\u0079p\u0074"{_egcca ="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079";if _cffd ,_dcdg :=_cba .Get ("D\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0072\u006d\u0073").(*PdfObjectDictionary );
_dcdg {if _aff ,_fac :=_cffd .Get ("\u004e\u0061\u006d\u0065").(*PdfObjectName );_fac {if _ ,_bfa :=_ceba ._afae [string (*_aff )];_bfa {_cdd .Log .Trace ("\u0055\u0073\u0069\u006eg \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u0066\u0069\u006c\u0074\u0065\u0072\u0020%\u0073",*_aff );
_egcca =string (*_aff );};};};};};};_cdd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_egcca );if _egcca =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};};_beee :=_ceba .Encrypt (_eccb .PdfObjectDictionary ,_ggdf ,_aad );
if _beee !=nil {return _beee ;};_gfe ,_beee :=_ceba .makeKey (_egcca ,uint32 (_ggdf ),uint32 (_aad ),_ceba ._beb );if _beee !=nil {return _beee ;};_eccb .Stream ,_beee =_ceba .encryptBytes (_eccb .Stream ,_egcca ,_gfe );if _beee !=nil {return _beee ;};
_cba .Set ("\u004c\u0065\u006e\u0067\u0074\u0068",MakeInteger (int64 (len (_eccb .Stream ))));return nil ;case *PdfObjectString :_cdd .Log .Trace ("\u0045n\u0063r\u0079\u0070\u0074\u0069\u006eg\u0020\u0073t\u0072\u0069\u006e\u0067\u0021");_dag :=_eee ;
if _ceba ._fee .V >=4{_cdd .Log .Trace ("\u0077\u0069\u0074\u0068\u0020\u0025\u0073\u0020\u0066i\u006c\u0074\u0065\u0072",_ceba ._ab );if _ceba ._ab =="\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079"{return nil ;};_dag =_ceba ._ab ;};_bedcf ,_bbf :=_ceba .makeKey (_dag ,uint32 (parentObjNum ),uint32 (parentGenNum ),_ceba ._beb );
if _bbf !=nil {return _bbf ;};_gadd :=_eccb .Str ();_dfef :=make ([]byte ,len (_gadd ));for _cfdf :=0;_cfdf < len (_gadd );_cfdf ++{_dfef [_cfdf ]=_gadd [_cfdf ];};_cdd .Log .Trace ("\u0045n\u0063\u0072\u0079\u0070\u0074\u0020\u0073\u0074\u0072\u0069\u006eg\u003a\u0020\u0025\u0073\u0020\u003a\u0020\u0025\u0020\u0078",_dfef ,_dfef );
_dfef ,_bbf =_ceba .encryptBytes (_dfef ,_dag ,_bedcf );if _bbf !=nil {return _bbf ;};_eccb ._ddgc =string (_dfef );return nil ;case *PdfObjectArray :for _ ,_fed :=range _eccb .Elements (){_egfc :=_ceba .Encrypt (_fed ,parentObjNum ,parentGenNum );if _egfc !=nil {return _egfc ;
};};return nil ;case *PdfObjectDictionary :_ade :=false ;if _ffad :=_eccb .Get ("\u0054\u0079\u0070\u0065");_ffad !=nil {_deb ,_geg :=_ffad .(*PdfObjectName );if _geg &&*_deb =="\u0053\u0069\u0067"{_ade =true ;};};for _ ,_cbe :=range _eccb .Keys (){_dgad :=_eccb .Get (_cbe );
if _ade &&string (_cbe )=="\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"{continue ;};if string (_cbe )!="\u0050\u0061\u0072\u0065\u006e\u0074"&&string (_cbe )!="\u0050\u0072\u0065\u0076"&&string (_cbe )!="\u004c\u0061\u0073\u0074"{_fgg :=_ceba .Encrypt (_dgad ,parentObjNum ,parentGenNum );
if _fgg !=nil {return _fgg ;};};};return nil ;};return nil ;};

// DecodeBytes decodes a slice of LZW encoded bytes and returns the result.
func (_ebaeg *LZWEncoder )DecodeBytes (encoded []byte )([]byte ,error ){var _dfdd _ae .Buffer ;_dce :=_ae .NewReader (encoded );var _fcea _gc .ReadCloser ;if _ebaeg .EarlyChange ==1{_fcea =_ea .NewReader (_dce ,_ea .MSB ,8);}else {_fcea =_f .NewReader (_dce ,_f .MSB ,8);
};defer _fcea .Close ();if _ ,_bfc :=_dfdd .ReadFrom (_fcea );_bfc !=nil {if _bfc !=_gc .ErrUnexpectedEOF ||_dfdd .Len ()==0{return nil ,_bfc ;};_cdd .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",_bfc );
};return _dfdd .Bytes (),nil ;};

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

// 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 )(_fefcd *PdfIndirectObject ,_aeec bool ){obj =ResolveReference (obj );_fefcd ,_aeec =obj .(*PdfIndirectObject );return _fefcd ,_aeec ;};

// PdfObjectFloat represents the primitive PDF floating point numerical object.
type PdfObjectFloat float64 ;var _fcdb =_a .MustCompile ("\u0025\u0025\u0045\u004f\u0046\u003f");

// DecodeBytes returns the passed in slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_egbd *RawEncoder )DecodeBytes (encoded []byte )([]byte ,error ){return encoded ,nil };func _gced (_aefg PdfObject )(*float64 ,error ){switch _aedg :=_aefg .(type ){case *PdfObjectFloat :_gfac :=float64 (*_aedg );return &_gfac ,nil ;case *PdfObjectInteger :_aacd :=float64 (*_aedg );
return &_aacd ,nil ;case *PdfObjectNull :return nil ,nil ;};return nil ,ErrNotANumber ;};

// 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 (_dbbe *PdfObjectStreams )Elements ()[]PdfObject {if _dbbe ==nil {return nil ;};return _dbbe ._edde ;};func (_dbe *PdfCrypt )isDecrypted (_gde PdfObject )bool {_ ,_eff :=_dbe ._bedc [_gde ];if _eff {_cdd .Log .Trace ("\u0041\u006c\u0072\u0065\u0061\u0064\u0079\u0020\u0064\u0065\u0063\u0072y\u0070\u0074\u0065\u0064");
return true ;};switch _eeec :=_gde .(type ){case *PdfObjectStream :if _dbe ._fd .R !=5{if _fcg ,_ccge :=_eeec .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );_ccge &&*_fcg =="\u0058\u0052\u0065\u0066"{return true ;};};case *PdfIndirectObject :if _ ,_eff =_dbe ._bdf [int (_eeec .ObjectNumber )];
_eff {return true ;};switch _fcgb :=_eeec .PdfObject .(type ){case *PdfObjectDictionary :_egc :=true ;for _ ,_bead :=range _ccc {if _fcgb .Get (_bead )==nil {_egc =false ;break ;};};if _egc {return true ;};};};_cdd .Log .Trace ("\u004e\u006f\u0074\u0020\u0064\u0065\u0063\u0072\u0079\u0070\u0074\u0065d\u0020\u0079\u0065\u0074");
return false ;};

// NewDCTEncoder makes a new DCT encoder with default parameters.
func NewDCTEncoder ()*DCTEncoder {_gagg :=&DCTEncoder {};_gagg .ColorComponents =3;_gagg .BitsPerComponent =8;_gagg .Quality =DefaultJPEGQuality ;return _gagg ;};func (_fdbe *PdfParser )parseName ()(PdfObjectName ,error ){var _cccd _ae .Buffer ;_cfgee :=false ;
for {_aded ,_aadd :=_fdbe ._cegf .Peek (1);if _aadd ==_gc .EOF {break ;};if _aadd !=nil {return PdfObjectName (_cccd .String ()),_aadd ;};if !_cfgee {if _aded [0]=='/'{_cfgee =true ;_fdbe ._cegf .ReadByte ();}else if _aded [0]=='%'{_fdbe .readComment ();
_fdbe .skipSpaces ();}else {_cdd .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",_aded ,_aded );return PdfObjectName (_cccd .String ()),_b .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_aded [0]);
};}else {if IsWhiteSpace (_aded [0]){break ;}else if (_aded [0]=='/')||(_aded [0]=='[')||(_aded [0]=='(')||(_aded [0]==']')||(_aded [0]=='<')||(_aded [0]=='>'){break ;}else if _aded [0]=='#'{_abgc ,_ddgdf :=_fdbe ._cegf .Peek (3);if _ddgdf !=nil {return PdfObjectName (_cccd .String ()),_ddgdf ;
};_dbce ,_ddgdf :=_gg .DecodeString (string (_abgc [1:3]));if _ddgdf !=nil {_cdd .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");
_cccd .WriteByte ('#');_fdbe ._cegf .Discard (1);continue ;};_fdbe ._cegf .Discard (3);_cccd .Write (_dbce );}else {_fegdb ,_ :=_fdbe ._cegf .ReadByte ();_cccd .WriteByte (_fegdb );};};};return PdfObjectName (_cccd .String ()),nil ;};func _fcf (_cgg XrefTable ){_cdd .Log .Debug ("\u003dX\u003d\u0058\u003d\u0058\u003d");
_cdd .Log .Debug ("X\u0072\u0065\u0066\u0020\u0074\u0061\u0062\u006c\u0065\u003a");_feg :=0;for _ ,_ece :=range _cgg .ObjectMap {_cdd .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",_feg +1,_ece .ObjectNumber ,_ece .Generation ,_ece .Offset );
_feg ++;};};

// MakeBool creates a PdfObjectBool from a bool value.
func MakeBool (val bool )*PdfObjectBool {_fcaf :=PdfObjectBool (val );return &_fcaf };var _ccba =_a .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");

// Get returns the i-th element of the array or nil if out of bounds (by index).
func (_bbfe *PdfObjectArray )Get (i int )PdfObject {if _bbfe ==nil ||i >=len (_bbfe ._effaa )||i < 0{return nil ;};return _bbfe ._effaa [i ];};func _cfe (_cbg *_be .FilterDict ,_bae *PdfObjectDictionary )error {if _ecga ,_bedd :=_bae .Get ("\u0054\u0079\u0070\u0065").(*PdfObjectName );
_bedd {if _cecb :=string (*_ecga );_cecb !="C\u0072\u0079\u0070\u0074\u0046\u0069\u006c\u0074\u0065\u0072"{_cdd .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",_cecb );
};};_bca ,_ged :=_bae .Get ("\u0043\u0046\u004d").(*PdfObjectName );if !_ged {return _b .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");
};_cbg .CFM =string (*_bca );if _fdf ,_cecc :=_bae .Get ("\u0041u\u0074\u0068\u0045\u0076\u0065\u006et").(*PdfObjectName );_cecc {_cbg .AuthEvent =_bd .AuthEvent (*_fdf );}else {_cbg .AuthEvent =_bd .EventDocOpen ;};if _cbb ,_bgb :=_bae .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*PdfObjectInteger );
_bgb {_cbg .Length =int (*_cbb );};return nil ;};var _bcggf =_a .MustCompile ("\u005e\\\u0073\u002a\u005b\u002d]\u002a\u0028\u005c\u0064\u002b)\u005cs\u002b(\u005c\u0064\u002b\u0029\u005c\u0073\u002bR");

// GetFilterName returns the name of the encoding filter.
func (_cbad *ASCIIHexEncoder )GetFilterName ()string {return StreamEncodingFilterNameASCIIHex };func _acfgf (_faefg ,_fcdeg PdfObject ,_agfff int )bool {if _agfff > _eaab {_cdd .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",_eaab );
return false ;};if _faefg ==nil &&_fcdeg ==nil {return true ;}else if _faefg ==nil ||_fcdeg ==nil {return false ;};if _g .TypeOf (_faefg )!=_g .TypeOf (_fcdeg ){return false ;};switch _edac :=_faefg .(type ){case *PdfObjectNull ,*PdfObjectReference :return true ;
case *PdfObjectName :return *_edac ==*(_fcdeg .(*PdfObjectName ));case *PdfObjectString :return *_edac ==*(_fcdeg .(*PdfObjectString ));case *PdfObjectInteger :return *_edac ==*(_fcdeg .(*PdfObjectInteger ));case *PdfObjectBool :return *_edac ==*(_fcdeg .(*PdfObjectBool ));
case *PdfObjectFloat :return *_edac ==*(_fcdeg .(*PdfObjectFloat ));case *PdfIndirectObject :return _acfgf (TraceToDirectObject (_faefg ),TraceToDirectObject (_fcdeg ),_agfff +1);case *PdfObjectArray :_beeca :=_fcdeg .(*PdfObjectArray );if len ((*_edac )._effaa )!=len ((*_beeca )._effaa ){return false ;
};for _ggag ,_dcfbe :=range (*_edac )._effaa {if !_acfgf (_dcfbe ,(*_beeca )._effaa [_ggag ],_agfff +1){return false ;};};return true ;case *PdfObjectDictionary :_bcgc :=_fcdeg .(*PdfObjectDictionary );_cdcb ,_bcbgd :=(*_edac )._acbd ,(*_bcgc )._acbd ;
if len (_cdcb )!=len (_bcbgd ){return false ;};for _baeee ,_bedb :=range _cdcb {_cfgef ,_eefe :=_bcbgd [_baeee ];if !_eefe ||!_acfgf (_bedb ,_cfgef ,_agfff +1){return false ;};};return true ;case *PdfObjectStream :_edegf :=_fcdeg .(*PdfObjectStream );return _acfgf ((*_edac ).PdfObjectDictionary ,(*_edegf ).PdfObjectDictionary ,_agfff +1);
default:_cdd .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",_faefg );
};return false ;};

// 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 ;};

// 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 (_edaae *PdfObjectString )Decoded ()string {if _edaae ==nil {return "";};_egeb :=[]byte (_edaae ._ddgc );if len (_egeb )>=2&&_egeb [0]==0xFE&&_egeb [1]==0xFF{return _ba .UTF16ToString (_egeb [2:]);};return _ba .PDFDocEncodingToString (_egeb );};

// 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 (_febdg *PdfParser )ReadAtLeast (p []byte ,n int )(int ,error ){_dgdf :=n ;_age :=0;_ccdac :=0;for _dgdf > 0{_ggg ,_aafd :=_febdg ._cegf .Read (p [_age :]);if _aafd !=nil {_cdd .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",_ggg ,_ccdac ,_aafd .Error ());
return _age ,_eg .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_ccdac ++;_age +=_ggg ;_dgdf -=_ggg ;};return _age ,nil ;};

// EncodeBytes returns the passed in slice of bytes.
// The purpose of the method is to satisfy the StreamEncoder interface.
func (_edef *RawEncoder )EncodeBytes (data []byte )([]byte ,error ){return data ,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 )(_fgbd *PdfObjectFloat ,_ffbdb bool ){_fgbd ,_ffbdb =TraceToDirectObject (obj ).(*PdfObjectFloat );return _fgbd ,_ffbdb ;};func _ddad (_afgbg int )int {_ceeg :=_afgbg >>(_efcbc -1);return (_afgbg ^_ceeg )-_ceeg };

// HeaderCommentBytes gets the header comment bytes.
func (_bcb ParserMetadata )HeaderCommentBytes ()[4]byte {return _bcb ._gef };func (_geb *PdfCrypt )checkAccessRights (_fad []byte )(bool ,_bd .Permissions ,error ){_geeb :=_geb .securityHandler ();_fgb ,_ecfc ,_ffbb :=_geeb .Authenticate (&_geb ._fd ,_fad );
if _ffbb !=nil {return false ,0,_ffbb ;}else if _ecfc ==0||len (_fgb )==0{return false ,0,nil ;};return true ,_ecfc ,nil ;};

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

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

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

// PdfObjectArray represents the primitive PDF array object.
type PdfObjectArray struct{_effaa []PdfObject };func (_fcce *PdfParser )parseString ()(*PdfObjectString ,error ){_fcce ._cegf .ReadByte ();var _defde _ae .Buffer ;_eddc :=1;for {_feea ,_dgfe :=_fcce ._cegf .Peek (1);if _dgfe !=nil {return MakeString (_defde .String ()),_dgfe ;
};if _feea [0]=='\\'{_fcce ._cegf .ReadByte ();_ecbd ,_fbce :=_fcce ._cegf .ReadByte ();if _fbce !=nil {return MakeString (_defde .String ()),_fbce ;};if IsOctalDigit (_ecbd ){_bdde ,_gace :=_fcce ._cegf .Peek (2);if _gace !=nil {return MakeString (_defde .String ()),_gace ;
};var _dcfe []byte ;_dcfe =append (_dcfe ,_ecbd );for _ ,_fdaeg :=range _bdde {if IsOctalDigit (_fdaeg ){_dcfe =append (_dcfe ,_fdaeg );}else {break ;};};_fcce ._cegf .Discard (len (_dcfe )-1);_cdd .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_dcfe );
_edgde ,_gace :=_d .ParseUint (string (_dcfe ),8,32);if _gace !=nil {return MakeString (_defde .String ()),_gace ;};_defde .WriteByte (byte (_edgde ));continue ;};switch _ecbd {case 'n':_defde .WriteRune ('\n');case 'r':_defde .WriteRune ('\r');case 't':_defde .WriteRune ('\t');
case 'b':_defde .WriteRune ('\b');case 'f':_defde .WriteRune ('\f');case '(':_defde .WriteRune ('(');case ')':_defde .WriteRune (')');case '\\':_defde .WriteRune ('\\');};continue ;}else if _feea [0]=='('{_eddc ++;}else if _feea [0]==')'{_eddc --;if _eddc ==0{_fcce ._cegf .ReadByte ();
break ;};};_acaf ,_ :=_fcce ._cegf .ReadByte ();_defde .WriteByte (_acaf );};return MakeString (_defde .String ()),nil ;};

// EncodeBytes ASCII encodes the passed in slice of bytes.
func (_dcae *ASCIIHexEncoder )EncodeBytes (data []byte )([]byte ,error ){var _aebgg _ae .Buffer ;for _ ,_acdf :=range data {_aebgg .WriteString (_b .Sprintf ("\u0025\u002e\u0032X\u0020",_acdf ));};_aebgg .WriteByte ('>');return _aebgg .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 ;};

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

// 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 (_bfbd *JBIG2Encoder )AddPageImage (img *JBIG2Image ,settings *JBIG2EncoderSettings )(_baac error ){const _bceb ="\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 _bfbd ==nil {return _fe .Error (_bceb ,"J\u0042I\u0047\u0032\u0044\u006f\u0063\u0075\u006d\u0065n\u0074\u0020\u0069\u0073 n\u0069\u006c");};if settings ==nil {settings =&_bfbd .DefaultPageSettings ;};if _bfbd ._gcec ==nil {_bfbd ._gcec =_bb .InitEncodeDocument (settings .FileMode );
};if _baac =settings .Validate ();_baac !=nil {return _fe .Wrap (_baac ,_bceb ,"");};_bfcf ,_baac :=img .toBitmap ();if _baac !=nil {return _fe .Wrap (_baac ,_bceb ,"");};switch settings .Compression {case JB2Generic :if _baac =_bfbd ._gcec .AddGenericPage (_bfcf ,settings .DuplicatedLinesRemoval );
_baac !=nil {return _fe .Wrap (_baac ,_bceb ,"");};case JB2SymbolCorrelation :return _fe .Error (_bceb ,"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 _fe .Error (_bceb ,"\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 _fe .Error (_bceb ,"\u0070\u0072\u006f\u0076i\u0064\u0065\u0064\u0020\u0069\u006e\u0076\u0061\u006c\u0069d\u0020c\u006f\u006d\u0070\u0072\u0065\u0073\u0073i\u006f\u006e");};return nil ;};func (_agab *PdfObjectInteger )String ()string {return _b .Sprintf ("\u0025\u0064",*_agab )};
func _afg (_babe *_bd .StdEncryptDict ,_ebgf *PdfObjectDictionary ){_ebgf .Set ("\u0052",MakeInteger (int64 (_babe .R )));_ebgf .Set ("\u0050",MakeInteger (int64 (_babe .P )));_ebgf .Set ("\u004f",MakeStringFromBytes (_babe .O ));_ebgf .Set ("\u0055",MakeStringFromBytes (_babe .U ));
if _babe .R >=5{_ebgf .Set ("\u004f\u0045",MakeStringFromBytes (_babe .OE ));_ebgf .Set ("\u0055\u0045",MakeStringFromBytes (_babe .UE ));_ebgf .Set ("\u0045n\u0063r\u0079\u0070\u0074\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",MakeBool (_babe .EncryptMetadata ));
if _babe .R > 5{_ebgf .Set ("\u0050\u0065\u0072m\u0073",MakeStringFromBytes (_babe .Perms ));};};};

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