unipdf/annotator/annotator.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 annotator provides an interface for creating annotations with appearance
// streams.  It goes beyond the models package which includes definitions of basic annotation models, in that it
// can create the appearance streams which specify the exact appearance as needed by many pdf viewers for consistent
// appearance of the annotations.
// It also contains methods for generating appearance streams for fields via widget annotations.
package annotator ;import (_a "bytes";_ff "errors";_f "github.com/unidoc/unipdf/v3/common";_b "github.com/unidoc/unipdf/v3/contentstream";_bg "github.com/unidoc/unipdf/v3/contentstream/draw";_gf "github.com/unidoc/unipdf/v3/core";_fa "github.com/unidoc/unipdf/v3/internal/textencoding";
_fd "github.com/unidoc/unipdf/v3/model";_g "image";_ea "math";_c "strings";_bb "unicode";);

// SetStyle applies appearance `style` to `fa`.
func (_cbbc *ImageFieldAppearance )SetStyle (style AppearanceStyle ){_cbbc ._bbfd =&style };

// TextFieldOptions defines optional parameter for a text field in a form.
type TextFieldOptions struct{MaxLen int ;Value string ;};func _fede (_daf *_fd .PdfField ,_gcb ,_fgg float64 ,_fcgd string ,_ade AppearanceStyle ,_dfg *_b .ContentStreamOperations ,_dgc *_fd .PdfPageResources ,_ffg *_gf .PdfObjectDictionary )(*_fd .XObjectForm ,error ){_fbg :=_fd .NewPdfPageResources ();
_eab ,_afc :=_gcb ,_fgg ;_bdg :=_b .NewContentCreator ();if _ade .BorderSize > 0{_eegf (_bdg ,_ade ,_gcb ,_fgg );};if _ade .DrawAlignmentReticle {_beb :=_ade ;_beb .BorderSize =0.2;_fdbe (_bdg ,_beb ,_gcb ,_fgg );};_bdg .Add_BMC ("\u0054\u0078");_bdg .Add_q ();
_bdg .Add_BT ();_gcb ,_fgg =_ade .applyRotation (_ffg ,_gcb ,_fgg ,_bdg );_bcg ,_dgea ,_bdgc :=_ade .processDA (_daf ,_dfg ,_dgc ,_fbg ,_bdg );if _bdgc !=nil {return nil ,_bdgc ;};_ggcb :=_bcg .Font ;_fedf :=_bcg .Size ;_cfe :=_gf .MakeName (_bcg .Name );
_cdgag :=_fedf ==0;if _cdgag &&_dgea {_fedf =_fgg *_ade .AutoFontSizeFraction ;};_fef :=_ggcb .Encoder ();if _fef ==nil {_f .Log .Debug ("\u0057\u0041RN\u003a\u0020\u0066\u006f\u006e\u0074\u0020\u0065\u006e\u0063\u006f\u0064\u0065\u0072\u0020\u0069\u0073\u0020\u006e\u0069l\u002e\u0020\u0041\u0073s\u0075\u006d\u0069\u006eg \u0069\u0064e\u006et\u0069\u0074\u0079\u0020\u0065\u006ec\u006f\u0064\u0065r\u002e\u0020O\u0075\u0074\u0070\u0075\u0074\u0020\u006d\u0061\u0079\u0020\u0062\u0065\u0020\u0069n\u0063\u006f\u0072\u0072\u0065\u0063\u0074\u002e");
_fef =_fa .NewIdentityTextEncoder ("\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079\u002d\u0048");};if len (_fcgd )==0{return nil ,nil ;};_deb :=_cc ;if _ade .MarginLeft !=nil {_deb =*_ade .MarginLeft ;};_gda :=0.0;if _fef !=nil {for _ ,_cfb :=range _fcgd {_cef ,_bbed :=_ggcb .GetRuneMetrics (_cfb );
if !_bbed {_f .Log .Debug ("\u0046\u006f\u006e\u0074\u0020\u0064o\u0065\u0073\u0020\u006e\u006f\u0074\u0020\u0068\u0061\u0076\u0065\u0020\u0072\u0075\u006e\u0065\u0020\u006d\u0065\u0074r\u0069\u0063\u0073\u0020\u0066\u006f\u0072\u0020\u0025\u0076\u0020\u002d\u0020\u0073k\u0069p\u0070\u0069\u006e\u0067",_cfb );
continue ;};_gda +=_cef .Wx ;};_fcgd =string (_fef .Encode (_fcgd ));};if _fedf ==0||_cdgag &&_gda > 0&&_deb +_gda *_fedf /1000.0> _gcb {_fedf =0.95*1000.0*(_gcb -_deb )/_gda ;};_bcbc :=1.0*_fedf ;_cadd :=2.0;{_cafac :=_bcbc ;if _cdgag &&_cadd +_cafac > _fgg {_fedf =0.95*(_fgg -_cadd );
_bcbc =1.0*_fedf ;_cafac =_bcbc ;};if _fgg > _cafac {_cadd =(_fgg -_cafac )/2.0;_cadd +=1.50;};};_bdg .Add_Tf (*_cfe ,_fedf );_bdg .Add_Td (_deb ,_cadd );_bdg .Add_Tj (*_gf .MakeString (_fcgd ));_bdg .Add_ET ();_bdg .Add_Q ();_bdg .Add_EMC ();_bba :=_fd .NewXObjectForm ();
_bba .Resources =_fbg ;_bba .BBox =_gf .MakeArrayFromFloats ([]float64 {0,0,_eab ,_afc });_bba .SetContentStream (_bdg .Bytes (),_cbcg ());return _bba ,nil ;};

// AppearanceFont represents a font used for generating the appearance of a
// field in the filling/flattening process.
type AppearanceFont struct{

// Name represents the name of the font which will be added to the
// AcroForm resources (DR).
Name string ;

// Font represents the actual font used for the field appearance.
Font *_fd .PdfFont ;

// Size represents the size of the font used for the field appearance.
// If the font size is 0, the value of the FallbackSize field of the
// AppearanceFontStyle is used, if set. Otherwise, the font size is
// calculated based on the available annotation height and on the
// AutoFontSizeFraction field of the AppearanceStyle.
Size float64 ;};

// NewCheckboxField generates a new checkbox field with partial name `name` at location `rect`
// on specified `page` and with field specific options `opt`.
func NewCheckboxField (page *_fd .PdfPage ,name string ,rect []float64 ,opt CheckboxFieldOptions )(*_fd .PdfFieldButton ,error ){if page ==nil {return nil ,_ff .New ("\u0070a\u0067e\u0020\u006e\u006f\u0074\u0020s\u0070\u0065c\u0069\u0066\u0069\u0065\u0064");
};if len (name )<=0{return nil ,_ff .New ("\u0072\u0065\u0071\u0075\u0069\u0072\u0065\u0064\u0020\u0061\u0074\u0074\u0072\u0069\u0062u\u0074e\u0020\u006e\u006f\u0074\u0020\u0073\u0070\u0065\u0063\u0069\u0066\u0069\u0065\u0064");};if len (rect )!=4{return nil ,_ff .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u0061\u006e\u0067\u0065");
};_effa ,_cfd :=_fd .NewStandard14Font (_fd .ZapfDingbatsName );if _cfd !=nil {return nil ,_cfd ;};_dba :=_fd .NewPdfField ();_ddcf :=&_fd .PdfFieldButton {};_dba .SetContext (_ddcf );_ddcf .PdfField =_dba ;_ddcf .T =_gf .MakeString (name );_ddcf .SetType (_fd .ButtonTypeCheckbox );
_dgce :="\u004f\u0066\u0066";if opt .Checked {_dgce ="\u0059\u0065\u0073";};_ddcf .V =_gf .MakeName (_dgce );_agb :=_fd .NewPdfAnnotationWidget ();_agb .Rect =_gf .MakeArrayFromFloats (rect );_agb .P =page .ToPdfObject ();_agb .F =_gf .MakeInteger (4);
_agb .Parent =_ddcf .ToPdfObject ();_aaa :=rect [2]-rect [0];_fde :=rect [3]-rect [1];var _afe _a .Buffer ;_afe .WriteString ("\u0071\u000a");_afe .WriteString ("\u0030 \u0030\u0020\u0031\u0020\u0072\u0067\n");_afe .WriteString ("\u0042\u0054\u000a");_afe .WriteString ("\u002f\u005a\u0061D\u0062\u0020\u0031\u0032\u0020\u0054\u0066\u000a");
_afe .WriteString ("\u0045\u0054\u000a");_afe .WriteString ("\u0051\u000a");_dagc :=_b .NewContentCreator ();_dagc .Add_q ();_dagc .Add_rg (0,0,1);_dagc .Add_BT ();_dagc .Add_Tf (*_gf .MakeName ("\u005a\u0061\u0044\u0062"),12);_dagc .Add_Td (0,0);_dagc .Add_ET ();
_dagc .Add_Q ();_dfab :=_fd .NewXObjectForm ();_dfab .SetContentStream (_dagc .Bytes (),_gf .NewRawEncoder ());_dfab .BBox =_gf .MakeArrayFromFloats ([]float64 {0,0,_aaa ,_fde });_dfab .Resources =_fd .NewPdfPageResources ();_dfab .Resources .SetFontByName ("\u005a\u0061\u0044\u0062",_effa .ToPdfObject ());
_dagc =_b .NewContentCreator ();_dagc .Add_q ();_dagc .Add_re (0,0,_aaa ,_fde );_dagc .Add_W ().Add_n ();_dagc .Add_rg (0,0,1);_dagc .Translate (0,3.0);_dagc .Add_BT ();_dagc .Add_Tf (*_gf .MakeName ("\u005a\u0061\u0044\u0062"),12);_dagc .Add_Td (0,0);
_dagc .Add_Tj (*_gf .MakeString ("\u0034"));_dagc .Add_ET ();_dagc .Add_Q ();_abg :=_fd .NewXObjectForm ();_abg .SetContentStream (_dagc .Bytes (),_gf .NewRawEncoder ());_abg .BBox =_gf .MakeArrayFromFloats ([]float64 {0,0,_aaa ,_fde });_abg .Resources =_fd .NewPdfPageResources ();
_abg .Resources .SetFontByName ("\u005a\u0061\u0044\u0062",_effa .ToPdfObject ());_dae :=_gf .MakeDict ();_dae .Set ("\u004f\u0066\u0066",_dfab .ToPdfObject ());_dae .Set ("\u0059\u0065\u0073",_abg .ToPdfObject ());_egfa :=_gf .MakeDict ();_egfa .Set ("\u004e",_dae );
_agb .AP =_egfa ;_agb .AS =_gf .MakeName (_dgce );_ddcf .Annotations =append (_ddcf .Annotations ,_agb );return _ddcf ,nil ;};func _cbcg ()_gf .StreamEncoder {return _gf .NewFlateEncoder ()};

// CreateCircleAnnotation creates a circle/ellipse annotation object with appearance stream that can be added to
// page PDF annotations.
func CreateCircleAnnotation (circDef CircleAnnotationDef )(*_fd .PdfAnnotation ,error ){_ca :=_fd .NewPdfAnnotationCircle ();if circDef .BorderEnabled {_ac ,_ce ,_d :=circDef .BorderColor .R (),circDef .BorderColor .G (),circDef .BorderColor .B ();_ca .C =_gf .MakeArrayFromFloats ([]float64 {_ac ,_ce ,_d });
_bgd :=_fd .NewBorderStyle ();_bgd .SetBorderWidth (circDef .BorderWidth );_ca .BS =_bgd .ToPdfObject ();};if circDef .FillEnabled {_ga ,_ed ,_dd :=circDef .FillColor .R (),circDef .FillColor .G (),circDef .FillColor .B ();_ca .IC =_gf .MakeArrayFromFloats ([]float64 {_ga ,_ed ,_dd });
}else {_ca .IC =_gf .MakeArrayFromIntegers ([]int {});};if circDef .Opacity < 1.0{_ca .CA =_gf .MakeFloat (circDef .Opacity );};_ae ,_ef ,_fc :=_db (circDef );if _fc !=nil {return nil ,_fc ;};_ca .AP =_ae ;_ca .Rect =_gf .MakeArrayFromFloats ([]float64 {_ef .Llx ,_ef .Lly ,_ef .Urx ,_ef .Ury });
return _ca .PdfAnnotation ,nil ;};func _cebe (_dgg []*SignatureLine ,_bfa *SignatureFieldOpts )(*_gf .PdfObjectDictionary ,error ){if _bfa ==nil {_bfa =NewSignatureFieldOpts ();};var _gbb error ;var _efdf *_gf .PdfObjectName ;_ceee :=_bfa .Font ;if _ceee !=nil {_dga ,_ :=_ceee .GetFontDescriptor ();
if _dga !=nil {if _afga ,_edaf :=_dga .FontName .(*_gf .PdfObjectName );_edaf {_efdf =_afga ;};};if _efdf ==nil {_efdf =_gf .MakeName ("\u0046\u006f\u006et\u0031");};}else {if _ceee ,_gbb =_fd .NewStandard14Font ("\u0048e\u006c\u0076\u0065\u0074\u0069\u0063a");
_gbb !=nil {return nil ,_gbb ;};_efdf =_gf .MakeName ("\u0048\u0065\u006c\u0076");};_gceb :=_bfa .FontSize ;if _gceb <=0{_gceb =10;};if _bfa .LineHeight <=0{_bfa .LineHeight =1;};_ecb :=_bfa .LineHeight *_gceb ;_gcbb ,_fbb :=_ceee .GetRuneMetrics (' ');
if !_fbb {return nil ,_ff .New ("\u0074\u0068e \u0066\u006f\u006et\u0020\u0064\u006f\u0065s n\u006ft \u0068\u0061\u0076\u0065\u0020\u0061\u0020sp\u0061\u0063\u0065\u0020\u0067\u006c\u0079p\u0068");};_dee :=_gcbb .Wx ;var _dbe float64 ;var _aca []string ;
for _ ,_eggb :=range _dgg {if _eggb .Text ==""{continue ;};_cdd :=_eggb .Text ;if _eggb .Desc !=""{_cdd =_eggb .Desc +"\u003a\u0020"+_cdd ;};_aca =append (_aca ,_cdd );var _gaaa float64 ;for _ ,_bged :=range _cdd {_fec ,_dac :=_ceee .GetRuneMetrics (_bged );
if !_dac {continue ;};_gaaa +=_fec .Wx ;};if _gaaa > _dbe {_dbe =_gaaa ;};};_dbe =_dbe *_gceb /1000.0;_eac :=float64 (len (_aca ))*_ecb ;_dcd :=_bfa .Image !=nil ;_cfgc :=_bfa .Rect ;if _cfgc ==nil {_cfgc =[]float64 {0,0,_dbe ,_eac };if _dcd {_cfgc [2]=_dbe *2;
_cfgc [3]=_eac *2;};_bfa .Rect =_cfgc ;};_daag :=_cfgc [2]-_cfgc [0];_ffe :=_cfgc [3]-_cfgc [1];_eccf ,_gfe :=_cfgc ,_cfgc ;var _bcfg ,_cdce float64 ;if _dcd &&len (_aca )> 0{if _bfa .ImagePosition <=SignatureImageRight {_deag :=[]float64 {_cfgc [0],_cfgc [1],_cfgc [0]+(_daag /2),_cfgc [3]};
_adaa :=[]float64 {_cfgc [0]+(_daag /2),_cfgc [1],_cfgc [2],_cfgc [3]};if _bfa .ImagePosition ==SignatureImageLeft {_eccf ,_gfe =_deag ,_adaa ;}else {_eccf ,_gfe =_adaa ,_deag ;};}else {_adf :=[]float64 {_cfgc [0],_cfgc [1],_cfgc [2],_cfgc [1]+(_ffe /2)};
_efbb :=[]float64 {_cfgc [0],_cfgc [1]+(_ffe /2),_cfgc [2],_cfgc [3]};if _bfa .ImagePosition ==SignatureImageTop {_eccf ,_gfe =_efbb ,_adf ;}else {_eccf ,_gfe =_adf ,_efbb ;};};};_bcfg =_gfe [2]-_gfe [0];_cdce =_gfe [3]-_gfe [1];var _egd float64 ;if _bfa .AutoSize {if _dbe > _bcfg ||_eac > _cdce {_bae :=_ea .Min (_bcfg /_dbe ,_cdce /_eac );
_gceb *=_bae ;};_ecb =_bfa .LineHeight *_gceb ;_egd +=(_cdce -float64 (len (_aca ))*_ecb )/2;};_dgecb :=_b .NewContentCreator ();_cfbba :=_fd .NewPdfPageResources ();_cfbba .SetFontByName (*_efdf ,_ceee .ToPdfObject ());if _bfa .BorderSize <=0{_bfa .BorderSize =0;
_bfa .BorderColor =_fd .NewPdfColorDeviceGray (1);};if _bfa .BorderColor ==nil {_bfa .BorderColor =_fd .NewPdfColorDeviceGray (1);};if _bfa .FillColor ==nil {_bfa .FillColor =_fd .NewPdfColorDeviceGray (1);};_dgecb .Add_q ().SetNonStrokingColor (_bfa .FillColor ).SetStrokingColor (_bfa .BorderColor ).Add_w (_bfa .BorderSize ).Add_re (_cfgc [0],_cfgc [1],_daag ,_ffe ).Add_B ().Add_Q ();
if _bfa .WatermarkImage !=nil {_ecac :=[]float64 {_cfgc [0],_cfgc [1],_cfgc [2],_cfgc [3]};_gfec ,_eadg ,_ccg :=_edce (_bfa .WatermarkImage ,"\u0049\u006d\u0061\u0067\u0065\u0057\u0061\u0074\u0065r\u006d\u0061\u0072\u006b",_bfa ,_ecac ,_dgecb );if _ccg !=nil {return nil ,_ccg ;
};_cfbba .SetXObjectImageByName (*_gfec ,_eadg );};_dgecb .Add_q ();_dgecb .Translate (_gfe [0],_gfe [3]-_ecb -_egd );_dgecb .Add_BT ();_ecba :=_ceee .Encoder ();for _ ,_aadc :=range _aca {var _cedc []byte ;for _ ,_eedg :=range _aadc {if _bb .IsSpace (_eedg ){if len (_cedc )> 0{_dgecb .SetNonStrokingColor (_bfa .TextColor ).Add_Tf (*_efdf ,_gceb ).Add_TL (_ecb ).Add_TJ ([]_gf .PdfObject {_gf .MakeStringFromBytes (_cedc )}...);
_cedc =nil ;};_dgecb .Add_Tf (*_efdf ,_gceb ).Add_TL (_ecb ).Add_TJ ([]_gf .PdfObject {_gf .MakeFloat (-_dee )}...);}else {_cedc =append (_cedc ,_ecba .Encode (string (_eedg ))...);};};if len (_cedc )> 0{_dgecb .SetNonStrokingColor (_bfa .TextColor ).Add_Tf (*_efdf ,_gceb ).Add_TL (_ecb ).Add_TJ ([]_gf .PdfObject {_gf .MakeStringFromBytes (_cedc )}...);
};_dgecb .Add_Td (0,-_ecb );};_dgecb .Add_ET ();_dgecb .Add_Q ();if _dcd {_agc ,_cgae ,_cbb :=_edce (_bfa .Image ,"\u0049\u006d\u0061\u0067\u0065\u0053\u0069\u0067\u006ea\u0074\u0075\u0072\u0065",_bfa ,_eccf ,_dgecb );if _cbb !=nil {return nil ,_cbb ;};
_cfbba .SetXObjectImageByName (*_agc ,_cgae );};_egef :=_fd .NewXObjectForm ();_egef .Resources =_cfbba ;_egef .BBox =_gf .MakeArrayFromFloats (_cfgc );_egef .SetContentStream (_dgecb .Bytes (),_cbcg ());_gefe :=_gf .MakeDict ();_gefe .Set ("\u004e",_egef .ToPdfObject ());
return _gefe ,nil ;};

// FieldAppearance implements interface model.FieldAppearanceGenerator and generates appearance streams
// for fields taking into account what value is in the field. A common use case is for generating the
// appearance stream prior to flattening fields.
//
// If `OnlyIfMissing` is true, the field appearance is generated only for fields that do not have an
// appearance stream specified.
// If `RegenerateTextFields` is true, all text fields are regenerated (even if OnlyIfMissing is true).
type FieldAppearance struct{OnlyIfMissing bool ;RegenerateTextFields bool ;_efb *AppearanceStyle ;};func _cgad (_bgfd *_fd .PdfAnnotationWidget ,_fed *_fd .PdfFieldText ,_ecg *_fd .PdfPageResources ,_cgg AppearanceStyle )(*_gf .PdfObjectDictionary ,error ){_eade :=_fd .NewPdfPageResources ();
_ddb ,_bfb :=_gf .GetArray (_bgfd .Rect );if !_bfb {return nil ,_ff .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");};_bdf ,_fba :=_fd .NewPdfRectangle (*_ddb );if _fba !=nil {return nil ,_fba ;};_cgb ,_fcab :=_bdf .Width (),_bdf .Height ();
_aef ,_eaed :=_cgb ,_fcab ;_gfd ,_cge :=_gf .GetDict (_bgfd .MK );if _cge {_cb ,_ :=_gf .GetDict (_bgfd .BS );_cagf :=_cgg .applyAppearanceCharacteristics (_gfd ,_cb ,nil );if _cagf !=nil {return nil ,_cagf ;};};_egf ,_cge :=_gf .GetIntVal (_fed .MaxLen );
if !_cge {return nil ,_ff .New ("\u006d\u0061\u0078\u006c\u0065\u006e\u0020\u006e\u006ft\u0020\u0073\u0065\u0074");};if _egf <=0{return nil ,_ff .New ("\u006d\u0061\u0078\u004c\u0065\u006e\u0020\u0069\u006ev\u0061\u006c\u0069\u0064");};_gab :=_cgb /float64 (_egf );
_ccb ,_fba :=_b .NewContentStreamParser (_debc (_fed .PdfField )).Parse ();if _fba !=nil {return nil ,_fba ;};_aed :=_b .NewContentCreator ();if _cgg .BorderSize > 0{_eegf (_aed ,_cgg ,_cgb ,_fcab );};if _cgg .DrawAlignmentReticle {_acd :=_cgg ;_acd .BorderSize =0.2;
_fdbe (_aed ,_acd ,_cgb ,_fcab );};_aed .Add_BMC ("\u0054\u0078");_aed .Add_q ();_ ,_fcab =_cgg .applyRotation (_gfd ,_cgb ,_fcab ,_aed );_aed .Add_BT ();_gaa ,_dfe ,_fba :=_cgg .processDA (_fed .PdfField ,_ccb ,_ecg ,_eade ,_aed );if _fba !=nil {return nil ,_fba ;
};_fdf :=_gaa .Font ;_bfd :=_gf .MakeName (_gaa .Name );_gdb :=_gaa .Size ;_afa :=_gdb ==0;if _afa &&_dfe {_gdb =_fcab *_cgg .AutoFontSizeFraction ;};_caa :=_fdf .Encoder ();if _caa ==nil {_f .Log .Debug ("\u0057\u0041RN\u003a\u0020\u0066\u006f\u006e\u0074\u0020\u0065\u006e\u0063\u006f\u0064\u0065\u0072\u0020\u0069\u0073\u0020\u006e\u0069l\u002e\u0020\u0041\u0073s\u0075\u006d\u0069\u006eg \u0069\u0064e\u006et\u0069\u0074\u0079\u0020\u0065\u006ec\u006f\u0064\u0065r\u002e\u0020O\u0075\u0074\u0070\u0075\u0074\u0020\u006d\u0061\u0079\u0020\u0062\u0065\u0020\u0069n\u0063\u006f\u0072\u0072\u0065\u0063\u0074\u002e");
_caa =_fa .NewIdentityTextEncoder ("\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079\u002d\u0048");};var _ceb string ;if _ggb ,_bfdb :=_gf .GetString (_fed .V );_bfdb {_ceb =_ggb .Decoded ();};_aed .Add_Tf (*_bfd ,_gdb );var _egae float64 ;for _ ,_acb :=range _ceb {_bgc ,_de :=_fdf .GetRuneMetrics (_acb );
if !_de {_f .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a \u0052\u0075\u006e\u0065\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020\u0069\u006e\u0020\u0066\u006fn\u0074\u003a\u0020\u0025\u0076\u0020\u002d\u0020\u0073\u006b\u0069\u0070\u0070\u0069n\u0067 \u006f\u0076\u0065\u0072",_acb );
continue ;};_cff :=_bgc .Wy ;if int (_cff )<=0{_cff =_bgc .Wx ;};if _cff > _egae {_egae =_cff ;};};if int (_egae )==0{_f .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0055\u006e\u0061\u0062\u006c\u0065\u0020\u0074o\u0020\u0064\u0065\u0074\u0065\u0072\u006d\u0069\u006e\u0065\u0020\u006d\u0061x\u0020\u0067\u006c\u0079\u0070\u0068\u0020\u0073\u0069\u007a\u0065\u0020- \u0075\u0073\u0069\u006e\u0067\u0020\u0031\u0030\u0030\u0030");
_egae =1000;};_cdab ,_fba :=_fdf .GetFontDescriptor ();if _fba !=nil {_f .Log .Debug ("\u0045\u0072ro\u0072\u003a\u0020U\u006e\u0061\u0062\u006ce t\u006f g\u0065\u0074\u0020\u0066\u006f\u006e\u0074 d\u0065\u0073\u0063\u0072\u0069\u0070\u0074o\u0072");};
var _gff float64 ;if _cdab !=nil {_gff ,_fba =_cdab .GetCapHeight ();if _fba !=nil {_f .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0055\u006e\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0067\u0065\u0074 \u0066\u006f\u006e\u0074\u0020\u0043\u0061\u0070\u0048\u0065\u0069\u0067\u0068t\u003a\u0020\u0025\u0076",_fba );
};};if int (_gff )<=0{_f .Log .Debug ("W\u0041\u0052\u004e\u003a\u0020\u0043\u0061\u0070\u0048e\u0069\u0067\u0068\u0074\u0020\u006e\u006ft \u0061\u0076\u0061\u0069l\u0061\u0062\u006c\u0065\u0020\u002d\u0020\u0073\u0065tt\u0069\u006eg\u0020\u0074\u006f\u0020\u0031\u0030\u0030\u0030");
_gff =1000.0;};_dgb :=_gff /1000.0*_gdb ;_bbe :=0.0;_cafa :=1.0*_gdb *(_egae /1000.0);{_dab :=_cafa ;if _afa &&_bbe +_dab > _fcab {_gdb =0.95*(_fcab -_bbe );_dgb =_gff /1000.0*_gdb ;};if _fcab > _dgb {_bbe =(_fcab -_dgb )/2.0;};};_aed .Add_Td (0,_bbe );
if _fee ,_cdg :=_gf .GetIntVal (_fed .Q );_cdg {switch _fee {case 2:if len (_ceb )< _egf {_dec :=float64 (_egf -len (_ceb ))*_gab ;_aed .Add_Td (_dec ,0);};};};for _eed ,_bgad :=range _ceb {_aabc :=_cc ;if _cgg .MarginLeft !=nil {_aabc =*_cgg .MarginLeft ;
};_dcc :=string (_bgad );if _caa !=nil {_bdb ,_dfa :=_fdf .GetRuneMetrics (_bgad );if !_dfa {_f .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a \u0052\u0075\u006e\u0065\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u0020\u0069\u006e\u0020\u0066\u006fn\u0074\u003a\u0020\u0025\u0076\u0020\u002d\u0020\u0073\u006b\u0069\u0070\u0070\u0069n\u0067 \u006f\u0076\u0065\u0072",_bgad );
continue ;};_dcc =string (_caa .Encode (_dcc ));_aabe :=_gdb *_bdb .Wx /1000.0;_aga :=(_gab -_aabe )/2;_aabc =_aga ;};_aed .Add_Td (_aabc ,0);_aed .Add_Tj (*_gf .MakeString (_dcc ));if _eed !=len (_ceb )-1{_aed .Add_Td (_gab -_aabc ,0);};};_aed .Add_ET ();
_aed .Add_Q ();_aed .Add_EMC ();_dad :=_fd .NewXObjectForm ();_dad .Resources =_eade ;_dad .BBox =_gf .MakeArrayFromFloats ([]float64 {0,0,_aef ,_eaed });_dad .SetContentStream (_aed .Bytes (),_cbcg ());_cdaa :=_gf .MakeDict ();_cdaa .Set ("\u004e",_dad .ToPdfObject ());
return _cdaa ,nil ;};

// SetStyle applies appearance `style` to `fa`.
func (_ggc *FieldAppearance )SetStyle (style AppearanceStyle ){_ggc ._efb =&style };

// NewComboboxField generates a new combobox form field with partial name `name` at location `rect`
// on specified `page` and with field specific options `opt`.
func NewComboboxField (page *_fd .PdfPage ,name string ,rect []float64 ,opt ComboboxFieldOptions )(*_fd .PdfFieldChoice ,error ){if page ==nil {return nil ,_ff .New ("\u0070a\u0067e\u0020\u006e\u006f\u0074\u0020s\u0070\u0065c\u0069\u0066\u0069\u0065\u0064");
};if len (name )<=0{return nil ,_ff .New ("\u0072\u0065\u0071\u0075\u0069\u0072\u0065\u0064\u0020\u0061\u0074\u0074\u0072\u0069\u0062u\u0074e\u0020\u006e\u006f\u0074\u0020\u0073\u0070\u0065\u0063\u0069\u0066\u0069\u0065\u0064");};if len (rect )!=4{return nil ,_ff .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u0061\u006e\u0067\u0065");
};_gee :=_fd .NewPdfField ();_daee :=&_fd .PdfFieldChoice {};_gee .SetContext (_daee );_daee .PdfField =_gee ;_daee .T =_gf .MakeString (name );_daee .Opt =_gf .MakeArray ();for _ ,_add :=range opt .Choices {_daee .Opt .Append (_gf .MakeString (_add ));
};_daee .SetFlag (_fd .FieldFlagCombo );_cgbd :=_fd .NewPdfAnnotationWidget ();_cgbd .Rect =_gf .MakeArrayFromFloats (rect );_cgbd .P =page .ToPdfObject ();_cgbd .F =_gf .MakeInteger (4);_cgbd .Parent =_daee .ToPdfObject ();_daee .Annotations =append (_daee .Annotations ,_cgbd );
return _daee ,nil ;};

// GenerateAppearanceDict generates an appearance dictionary for widget annotation `wa` for the `field` in `form`.
// Implements interface model.FieldAppearanceGenerator.
func (_bfg ImageFieldAppearance )GenerateAppearanceDict (form *_fd .PdfAcroForm ,field *_fd .PdfField ,wa *_fd .PdfAnnotationWidget )(*_gf .PdfObjectDictionary ,error ){_ ,_efda :=field .GetContext ().(*_fd .PdfFieldButton );if !_efda {_f .Log .Trace ("C\u006f\u0075\u006c\u0064\u0020\u006fn\u006c\u0079\u0020\u0068\u0061\u006ed\u006c\u0065\u0020\u0062\u0075\u0074\u0074o\u006e\u0020\u002d\u0020\u0069\u0067\u006e\u006f\u0072\u0069n\u0067");
return nil ,nil ;};_adcc ,_egaa :=_gf .GetDict (wa .AP );if _egaa &&_bfg .OnlyIfMissing {_f .Log .Trace ("\u0041\u006c\u0072\u0065a\u0064\u0079\u0020\u0070\u006f\u0070\u0075\u006c\u0061\u0074e\u0064 \u002d\u0020\u0069\u0067\u006e\u006f\u0072i\u006e\u0067");
return _adcc ,nil ;};if form .DR ==nil {form .DR =_fd .NewPdfPageResources ();};switch _aefa :=field .GetContext ().(type ){case *_fd .PdfFieldButton :if _aefa .IsPush (){_fff ,_ddfg :=_acg (_aefa ,wa ,_bfg .Style ());if _ddfg !=nil {return nil ,_ddfg ;
};return _fff ,nil ;};};return nil ,nil ;};

// NewSignatureField returns a new signature field with a visible appearance
// containing the specified signature lines and styled according to the
// specified options.
func NewSignatureField (signature *_fd .PdfSignature ,lines []*SignatureLine ,opts *SignatureFieldOpts )(*_fd .PdfFieldSignature ,error ){if signature ==nil {return nil ,_ff .New ("\u0073\u0069\u0067na\u0074\u0075\u0072\u0065\u0020\u0063\u0061\u006e\u006e\u006f\u0074\u0020\u0062\u0065\u0020\u006e\u0069\u006c");
};_dafa ,_cdag :=_cebe (lines ,opts );if _cdag !=nil {return nil ,_cdag ;};_aeb :=_fd .NewPdfFieldSignature (signature );_aeb .Rect =_gf .MakeArrayFromFloats (opts .Rect );_aeb .AP =_dafa ;return _aeb ,nil ;};const (_cd quadding =0;_bdd quadding =1;_effd quadding =2;
_cc float64 =2.0;);

// ImageFieldOptions defines optional parameters for a push button with image attach capability form field.
type ImageFieldOptions struct{Image *_fd .Image ;_age AppearanceStyle ;};

// SignatureFieldOpts represents a set of options used to configure
// an appearance widget dictionary.
type SignatureFieldOpts struct{

// Rect represents the area the signature annotation is displayed on.
Rect []float64 ;

// AutoSize specifies if the content of the appearance should be
// scaled to fit in the annotation rectangle.
AutoSize bool ;

// Font specifies the font of the text content.
Font *_fd .PdfFont ;

// FontSize specifies the size of the text content.
FontSize float64 ;

// LineHeight specifies the height of a line of text in the appearance annotation.
LineHeight float64 ;

// TextColor represents the color of the text content displayed.
TextColor _fd .PdfColor ;

// FillColor represents the background color of the appearance annotation area.
FillColor _fd .PdfColor ;

// BorderSize represents border size of the appearance annotation area.
BorderSize float64 ;

// BorderColor represents the border color of the appearance annotation area.
BorderColor _fd .PdfColor ;

// WatermarkImage specifies the image used as a watermark that will be rendered
// behind the signature.
WatermarkImage _g .Image ;

// Image represents the image used for the signature appearance.
Image _g .Image ;

// Encoder specifies the image encoder used for image signature. Defaults to flate encoder.
Encoder _gf .StreamEncoder ;

// ImagePosition specifies the image location relative to the text signature.
ImagePosition SignatureImagePosition ;};

// RectangleAnnotationDef is a rectangle defined with a specified Width and Height and a lower left corner at (X,Y).
// The rectangle can optionally have a border and a filling color.
// The Width/Height includes the border (if any specified).
type RectangleAnnotationDef struct{X float64 ;Y float64 ;Width float64 ;Height float64 ;FillEnabled bool ;FillColor *_fd .PdfColorDeviceRGB ;BorderEnabled bool ;BorderWidth float64 ;BorderColor *_fd .PdfColorDeviceRGB ;Opacity float64 ;};

// NewTextField generates a new text field with partial name `name` at location
// specified by `rect` on given `page` and with field specific options `opt`.
func NewTextField (page *_fd .PdfPage ,name string ,rect []float64 ,opt TextFieldOptions )(*_fd .PdfFieldText ,error ){if page ==nil {return nil ,_ff .New ("\u0070a\u0067e\u0020\u006e\u006f\u0074\u0020s\u0070\u0065c\u0069\u0066\u0069\u0065\u0064");};if len (name )<=0{return nil ,_ff .New ("\u0072\u0065\u0071\u0075\u0069\u0072\u0065\u0064\u0020\u0061\u0074\u0074\u0072\u0069\u0062u\u0074e\u0020\u006e\u006f\u0074\u0020\u0073\u0070\u0065\u0063\u0069\u0066\u0069\u0065\u0064");
};if len (rect )!=4{return nil ,_ff .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u0061\u006e\u0067\u0065");};_edad :=_fd .NewPdfField ();_baca :=&_fd .PdfFieldText {};_edad .SetContext (_baca );_baca .PdfField =_edad ;_baca .T =_gf .MakeString (name );
if opt .MaxLen > 0{_baca .MaxLen =_gf .MakeInteger (int64 (opt .MaxLen ));};if len (opt .Value )> 0{_baca .V =_gf .MakeString (opt .Value );};_bgfe :=_fd .NewPdfAnnotationWidget ();_bgfe .Rect =_gf .MakeArrayFromFloats (rect );_bgfe .P =page .ToPdfObject ();
_bgfe .F =_gf .MakeInteger (4);_bgfe .Parent =_baca .ToPdfObject ();_baca .Annotations =append (_baca .Annotations ,_bgfe );return _baca ,nil ;};func _eegf (_acde *_b .ContentCreator ,_feeb AppearanceStyle ,_babb ,_eebd float64 ){_acde .Add_q ().Add_re (0,0,_babb ,_eebd ).Add_w (_feeb .BorderSize ).SetStrokingColor (_feeb .BorderColor ).SetNonStrokingColor (_feeb .FillColor ).Add_B ().Add_Q ();
};func _gagc (_fggf RectangleAnnotationDef ,_ffbb string )([]byte ,*_fd .PdfRectangle ,*_fd .PdfRectangle ,error ){_cfca :=_bg .Rectangle {X :0,Y :0,Width :_fggf .Width ,Height :_fggf .Height ,FillEnabled :_fggf .FillEnabled ,FillColor :_fggf .FillColor ,BorderEnabled :_fggf .BorderEnabled ,BorderWidth :2*_fggf .BorderWidth ,BorderColor :_fggf .BorderColor ,Opacity :_fggf .Opacity };
_bcbf ,_gadd ,_cdcc :=_cfca .Draw (_ffbb );if _cdcc !=nil {return nil ,nil ,nil ,_cdcc ;};_gffb :=&_fd .PdfRectangle {};_gffb .Llx =_fggf .X +_gadd .Llx ;_gffb .Lly =_fggf .Y +_gadd .Lly ;_gffb .Urx =_fggf .X +_gadd .Urx ;_gffb .Ury =_fggf .Y +_gadd .Ury ;
return _bcbf ,_gadd ,_gffb ,nil ;};func _gbc (_cbcd *_fd .PdfAcroForm ,_bcd *_fd .PdfAnnotationWidget ,_bbb *_fd .PdfFieldChoice ,_eag AppearanceStyle )(*_gf .PdfObjectDictionary ,error ){_adc ,_afad :=_gf .GetArray (_bcd .Rect );if !_afad {return nil ,_ff .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");
};_cbg ,_fbaf :=_fd .NewPdfRectangle (*_adc );if _fbaf !=nil {return nil ,_fbaf ;};_fcb ,_bcb :=_cbg .Width (),_cbg .Height ();_f .Log .Debug ("\u0043\u0068\u006f\u0069\u0063\u0065\u002c\u0020\u0077\u0061\u0020\u0042S\u003a\u0020\u0025\u0076",_bcd .BS );
_egg ,_fbaf :=_b .NewContentStreamParser (_debc (_bbb .PdfField )).Parse ();if _fbaf !=nil {return nil ,_fbaf ;};_ecgf ,_ggg :=_gf .GetDict (_bcd .MK );if _ggg {_ebda ,_ :=_gf .GetDict (_bcd .BS );_adaf :=_eag .applyAppearanceCharacteristics (_ecgf ,_ebda ,nil );
if _adaf !=nil {return nil ,_adaf ;};};_abed :=_gf .MakeDict ();for _ ,_gcf :=range _bbb .Opt .Elements (){if _dccc ,_gec :=_gf .GetArray (_gcf );_gec &&_dccc .Len ()==2{_gcf =_dccc .Get (1);};var _dea string ;if _eebb ,_fdfd :=_gf .GetString (_gcf );_fdfd {_dea =_eebb .Decoded ();
}else if _ccf ,_dfdb :=_gf .GetName (_gcf );_dfdb {_dea =_ccf .String ();}else {_f .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a \u004f\u0070\u0074\u0020\u006e\u006f\u0074\u0020\u0061\u0020\u006e\u0061\u006de\u002f\u0073\u0074\u0072\u0069\u006e\u0067 \u002d\u0020\u0025\u0054",_gcf );
return nil ,_ff .New ("\u006e\u006f\u0074\u0020\u0061\u0020\u006e\u0061\u006d\u0065\u002f\u0073t\u0072\u0069\u006e\u0067");};if len (_dea )> 0{_dfb ,_cca :=_fede (_bbb .PdfField ,_fcb ,_bcb ,_dea ,_eag ,_egg ,_cbcd .DR ,_ecgf );if _cca !=nil {return nil ,_cca ;
};_abed .Set (*_gf .MakeName (_dea ),_dfb .ToPdfObject ());};};_aaf :=_gf .MakeDict ();_aaf .Set ("\u004e",_abed );return _aaf ,nil ;};

// NewSignatureFieldOpts returns a new initialized instance of options
// used to generate a signature appearance.
func NewSignatureFieldOpts ()*SignatureFieldOpts {return &SignatureFieldOpts {Font :_fd .DefaultFont (),FontSize :10,LineHeight :1,AutoSize :true ,TextColor :_fd .NewPdfColorDeviceGray (0),BorderColor :_fd .NewPdfColorDeviceGray (0),FillColor :_fd .NewPdfColorDeviceGray (1),Encoder :_gf .NewFlateEncoder (),ImagePosition :SignatureImageLeft };
};func _acg (_cdbb *_fd .PdfFieldButton ,_efe *_fd .PdfAnnotationWidget ,_daff AppearanceStyle )(*_gf .PdfObjectDictionary ,error ){_gdfg ,_adbd :=_gf .GetArray (_efe .Rect );if !_adbd {return nil ,_ff .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");
};_bea ,_adde :=_fd .NewPdfRectangle (*_gdfg );if _adde !=nil {return nil ,_adde ;};_cac ,_ccff :=_bea .Width (),_bea .Height ();_gddc :=_b .NewContentCreator ();if _daff .BorderSize > 0{_eegf (_gddc ,_daff ,_cac ,_ccff );};if _daff .DrawAlignmentReticle {_cbgb :=_daff ;
_cbgb .BorderSize =0.2;_fdbe (_gddc ,_cbgb ,_cac ,_ccff );};_bafd :=_cdbb .GetFillImage ();_gcd ,_adde :=_fffa (_cac ,_ccff ,_bafd ,_daff );if _adde !=nil {return nil ,_adde ;};_bcgf ,_cede :=_gf .GetDict (_efe .MK );if _cede {_bcgf .Set ("\u006c",_gcd .ToPdfObject ());
};_dfgd :=_gf .MakeDict ();_dfgd .Set ("\u0046\u0052\u004d",_gcd .ToPdfObject ());_bdec :=_fd .NewPdfPageResources ();_bdec .ProcSet =_gf .MakeArray (_gf .MakeName ("\u0050\u0044\u0046"));_bdec .XObject =_dfgd ;_ffdc :=_cac -2;_edaff :=_ccff -2;_gddc .Add_q ();
_gddc .Add_re (1,1,_ffdc ,_edaff );_gddc .Add_W ();_gddc .Add_n ();_ffdc -=2;_edaff -=2;_gddc .Add_q ();_gddc .Add_re (2,2,_ffdc ,_edaff );_gddc .Add_W ();_gddc .Add_n ();_gfeb :=_ea .Min (_ffdc /float64 (_bafd .Width ),_edaff /float64 (_bafd .Height ));
_gddc .Add_cm (_gfeb ,0,0,_gfeb ,(_cac /2)-(float64 (_bafd .Width )*_gfeb /2)+2,2);_gddc .Add_Do ("\u0046\u0052\u004d");_gddc .Add_Q ();_gddc .Add_Q ();_agf :=_fd .NewXObjectForm ();_agf .FormType =_gf .MakeInteger (1);_agf .Resources =_bdec ;_agf .BBox =_gf .MakeArrayFromFloats ([]float64 {0,0,_cac ,_ccff });
_agf .Matrix =_gf .MakeArrayFromFloats ([]float64 {1.0,0.0,0.0,1.0,0.0,0.0});_agf .SetContentStream (_gddc .Bytes (),_cbcg ());_dbdc :=_gf .MakeDict ();_dbdc .Set ("\u004e",_agf .ToPdfObject ());return _dbdc ,nil ;};

// CreateRectangleAnnotation creates a rectangle annotation object that can be added to page PDF annotations.
func CreateRectangleAnnotation (rectDef RectangleAnnotationDef )(*_fd .PdfAnnotation ,error ){_ccffb :=_fd .NewPdfAnnotationSquare ();if rectDef .BorderEnabled {_cegb ,_feef ,_eaedd :=rectDef .BorderColor .R (),rectDef .BorderColor .G (),rectDef .BorderColor .B ();
_ccffb .C =_gf .MakeArrayFromFloats ([]float64 {_cegb ,_feef ,_eaedd });_deaf :=_fd .NewBorderStyle ();_deaf .SetBorderWidth (rectDef .BorderWidth );_ccffb .BS =_deaf .ToPdfObject ();};if rectDef .FillEnabled {_bfaa ,_bca ,_abgb :=rectDef .FillColor .R (),rectDef .FillColor .G (),rectDef .FillColor .B ();
_ccffb .IC =_gf .MakeArrayFromFloats ([]float64 {_bfaa ,_bca ,_abgb });}else {_ccffb .IC =_gf .MakeArrayFromIntegers ([]int {});};if rectDef .Opacity < 1.0{_ccffb .CA =_gf .MakeFloat (rectDef .Opacity );};_bcc ,_fcff ,_dgee :=_dgcb (rectDef );if _dgee !=nil {return nil ,_dgee ;
};_ccffb .AP =_bcc ;_ccffb .Rect =_gf .MakeArrayFromFloats ([]float64 {_fcff .Llx ,_fcff .Lly ,_fcff .Urx ,_fcff .Ury });return _ccffb .PdfAnnotation ,nil ;};

// ImageFieldAppearance implements interface model.FieldAppearanceGenerator and generates appearance streams
// for attaching an image to a button field.
type ImageFieldAppearance struct{OnlyIfMissing bool ;_bbfd *AppearanceStyle ;};

// AppearanceStyle defines style parameters for appearance stream generation.
type AppearanceStyle struct{

// How much of Rect height to fill when autosizing text.
AutoFontSizeFraction float64 ;

// CheckmarkRune is a rune used for check mark in checkboxes (for ZapfDingbats font).
CheckmarkRune rune ;BorderSize float64 ;BorderColor _fd .PdfColor ;FillColor _fd .PdfColor ;

// Multiplier for lineheight for multi line text.
MultilineLineHeight float64 ;MultilineVAlignMiddle bool ;

// Visual guide checking alignment of field contents (debugging).
DrawAlignmentReticle bool ;

// Allow field MK appearance characteristics to override style settings.
AllowMK bool ;

// Fonts holds appearance styles for fonts.
Fonts *AppearanceFontStyle ;

// MarginLeft represents the amount of space to leave on the left side of
// the form field bounding box when generating appearances (default: 2.0).
MarginLeft *float64 ;};

// WrapContentStream ensures that the entire content stream for a `page` is wrapped within q ... Q operands.
// Ensures that following operands that are added are not affected by additional operands that are added.
// Implements interface model.ContentStreamWrapper.
func (_abb FieldAppearance )WrapContentStream (page *_fd .PdfPage )error {_gcee ,_bdc :=page .GetAllContentStreams ();if _bdc !=nil {return _bdc ;};_baa :=_b .NewContentStreamParser (_gcee );_gfgc ,_bdc :=_baa .Parse ();if _bdc !=nil {return _bdc ;};_gfgc .WrapIfNeeded ();
_adb :=[]string {_gfgc .String ()};return page .SetContentStreams (_adb ,_cbcg ());};func (_dda *AppearanceStyle )processDA (_gge *_fd .PdfField ,_aecg *_b .ContentStreamOperations ,_ccag ,_eda *_fd .PdfPageResources ,_bdbe *_b .ContentCreator )(*AppearanceFont ,bool ,error ){var _dfbc *AppearanceFont ;
var _dfaf bool ;if _dda .Fonts !=nil {if _dda .Fonts .Fallback !=nil {_dfbc =_dda .Fonts .Fallback ;};if _gcac :=_dda .Fonts .FieldFallbacks ;_gcac !=nil {if _gfb ,_efdc :=_gcac [_gge .PartialName ()];_efdc {_dfbc =_gfb ;}else if _cgbe ,_dbde :=_gge .FullName ();
_dbde ==nil {if _ege ,_dag :=_gcac [_cgbe ];_dag {_dfbc =_ege ;};};};_dfaf =_dda .Fonts .ForceReplace ;};var _effdb string ;var _cfc float64 ;var _cfbe bool ;if _aecg !=nil {for _ ,_dcbd :=range *_aecg {if _dcbd .Operand =="\u0054\u0066"&&len (_dcbd .Params )==2{if _gcae ,_ebc :=_gf .GetNameVal (_dcbd .Params [0]);
_ebc {_effdb =_gcae ;};if _eef ,_cfbb :=_gf .GetNumberAsFloat (_dcbd .Params [1]);_cfbb ==nil {_cfc =_eef ;};_cfbe =true ;continue ;};_bdbe .AddOperand (*_dcbd );};};var _ccef *AppearanceFont ;var _befc _gf .PdfObject ;if _dfaf &&_dfbc !=nil {_ccef =_dfbc ;
}else {if _ccag !=nil &&_effdb !=""{if _aad ,_gag :=_ccag .GetFontByName (*_gf .MakeName (_effdb ));_gag {if _ace ,_cfcg :=_fd .NewPdfFontFromPdfObject (_aad );_cfcg ==nil {_befc =_aad ;_ccef =&AppearanceFont {Name :_effdb ,Font :_ace ,Size :_cfc };}else {_f .Log .Debug ("\u0045\u0052\u0052\u004f\u0052:\u0020\u0063\u006f\u0075\u006c\u0064\u0020\u006e\u006f\u0074\u0020\u006c\u006fa\u0064\u0020\u0061\u0070\u0070\u0065\u0061\u0072\u0061\u006e\u0063\u0065\u0020\u0066\u006f\u006e\u0074\u003a\u0020\u0025\u0076",_cfcg );
};};};if _ccef ==nil &&_dfbc !=nil {_ccef =_dfbc ;};if _ccef ==nil {_aefb ,_egee :=_fd .NewStandard14Font ("\u0048e\u006c\u0076\u0065\u0074\u0069\u0063a");if _egee !=nil {return nil ,false ,_egee ;};_ccef =&AppearanceFont {Name :"\u0048\u0065\u006c\u0076",Font :_aefb ,Size :_cfc };
};};if _ccef .Size <=0&&_dda .Fonts !=nil &&_dda .Fonts .FallbackSize > 0{_ccef .Size =_dda .Fonts .FallbackSize ;};_decc :=*_gf .MakeName (_ccef .Name );if _befc ==nil {_befc =_ccef .Font .ToPdfObject ();};if _ccag !=nil &&!_ccag .HasFontByName (_decc ){_ccag .SetFontByName (_decc ,_befc );
};if _eda !=nil &&!_eda .HasFontByName (_decc ){_eda .SetFontByName (_decc ,_befc );};return _ccef ,_cfbe ,nil ;};

// WrapContentStream ensures that the entire content stream for a `page` is wrapped within q ... Q operands.
// Ensures that following operands that are added are not affected by additional operands that are added.
// Implements interface model.ContentStreamWrapper.
func (_dgbg ImageFieldAppearance )WrapContentStream (page *_fd .PdfPage )error {_aabf ,_adef :=page .GetAllContentStreams ();if _adef !=nil {return _adef ;};_ggbg :=_b .NewContentStreamParser (_aabf );_egfb ,_adef :=_ggbg .Parse ();if _adef !=nil {return _adef ;
};_egfb .WrapIfNeeded ();_cbea :=[]string {_egfb .String ()};return page .SetContentStreams (_cbea ,_cbcg ());};

// SignatureImagePosition specifies the image signature location relative to the text signature.
// If text signature is not defined, this position will be ignored.
type SignatureImagePosition int ;func _debc (_acdd *_fd .PdfField )string {if _acdd ==nil {return "";};_eeaf ,_dgcf :=_acdd .GetContext ().(*_fd .PdfFieldText );if !_dgcf {return _debc (_acdd .Parent );};if _eeaf .DA !=nil {return _eeaf .DA .Str ();};return _debc (_eeaf .Parent );
};

// GenerateAppearanceDict generates an appearance dictionary for widget annotation `wa` for the `field` in `form`.
// Implements interface model.FieldAppearanceGenerator.
func (_ega FieldAppearance )GenerateAppearanceDict (form *_fd .PdfAcroForm ,field *_fd .PdfField ,wa *_fd .PdfAnnotationWidget )(*_gf .PdfObjectDictionary ,error ){_f .Log .Trace ("\u0047\u0065n\u0065\u0072\u0061\u0074e\u0041\u0070p\u0065\u0061\u0072\u0061\u006e\u0063\u0065\u0044i\u0063\u0074\u0020\u0066\u006f\u0072\u0020\u0025\u0076\u0020\u0020\u0056:\u0020\u0025\u002b\u0076",field .PartialName (),field .V );
_ ,_bag :=field .GetContext ().(*_fd .PdfFieldText );_cag ,_cdc :=_gf .GetDict (wa .AP );if _cdc &&_ega .OnlyIfMissing &&(!_bag ||!_ega .RegenerateTextFields ){_f .Log .Trace ("\u0041\u006c\u0072\u0065a\u0064\u0079\u0020\u0070\u006f\u0070\u0075\u006c\u0061\u0074e\u0064 \u002d\u0020\u0069\u0067\u006e\u006f\u0072i\u006e\u0067");
return _cag ,nil ;};if form .DR ==nil {form .DR =_fd .NewPdfPageResources ();};switch _ee :=field .GetContext ().(type ){case *_fd .PdfFieldText :_aa :=_ee ;switch {case _aa .Flags ().Has (_fd .FieldFlagPassword ):return nil ,nil ;case _aa .Flags ().Has (_fd .FieldFlagFileSelect ):return nil ,nil ;
case _aa .Flags ().Has (_fd .FieldFlagComb ):if _aa .MaxLen !=nil {_bc ,_aag :=_cgad (wa ,_aa ,form .DR ,_ega .Style ());if _aag !=nil {return nil ,_aag ;};return _bc ,nil ;};};_ag ,_bec :=_aac (wa ,_aa ,form .DR ,_ega .Style ());if _bec !=nil {return nil ,_bec ;
};return _ag ,nil ;case *_fd .PdfFieldButton :_gb :=_ee ;if _gb .IsCheckbox (){_gca ,_fe :=_cdga (wa ,_gb ,form .DR ,_ega .Style ());if _fe !=nil {return nil ,_fe ;};return _gca ,nil ;};_f .Log .Debug ("\u0054\u004f\u0044\u004f\u003a\u0020\u0055\u004e\u0048\u0041\u004e\u0044\u004c\u0045\u0044 \u0062u\u0074\u0074\u006f\u006e\u0020\u0074\u0079\u0070\u0065\u003a\u0020\u0025\u002b\u0076",_gb .GetType ());
case *_fd .PdfFieldChoice :_cg :=_ee ;switch {case _cg .Flags ().Has (_fd .FieldFlagCombo ):_fea ,_eae :=_gbc (form ,wa ,_cg ,_ega .Style ());if _eae !=nil {return nil ,_eae ;};return _fea ,nil ;default:_f .Log .Debug ("\u0054\u004f\u0044\u004f\u003a\u0020\u0055N\u0048\u0041\u004eD\u004c\u0045\u0044\u0020c\u0068\u006f\u0069\u0063\u0065\u0020\u0066\u0069\u0065\u006c\u0064\u0020\u0077\u0069\u0074\u0068\u0020\u0066\u006c\u0061\u0067\u0073\u003a\u0020\u0025\u0073",_cg .Flags ().String ());
};default:_f .Log .Debug ("\u0054\u004f\u0044\u004f\u003a\u0020\u0055\u004e\u0048\u0041N\u0044\u004c\u0045\u0044\u0020\u0066\u0069e\u006c\u0064\u0020\u0074\u0079\u0070\u0065\u003a\u0020\u0025\u0054",_ee );};return nil ,nil ;};func _dgcb (_gcga RectangleAnnotationDef )(*_gf .PdfObjectDictionary ,*_fd .PdfRectangle ,error ){_bdgbc :=_fd .NewXObjectForm ();
_bdgbc .Resources =_fd .NewPdfPageResources ();_dgbc :="";if _gcga .Opacity < 1.0{_daac :=_gf .MakeDict ();_daac .Set ("\u0063\u0061",_gf .MakeFloat (_gcga .Opacity ));_daac .Set ("\u0043\u0041",_gf .MakeFloat (_gcga .Opacity ));_ddfb :=_bdgbc .Resources .AddExtGState ("\u0067\u0073\u0031",_daac );
if _ddfb !=nil {_f .Log .Debug ("U\u006e\u0061\u0062\u006c\u0065\u0020t\u006f\u0020\u0061\u0064\u0064\u0020\u0065\u0078\u0074g\u0073\u0074\u0061t\u0065 \u0067\u0073\u0031");return nil ,nil ,_ddfb ;};_dgbc ="\u0067\u0073\u0031";};_afab ,_cbbb ,_fcac ,_bada :=_gagc (_gcga ,_dgbc );
if _bada !=nil {return nil ,nil ,_bada ;};_bada =_bdgbc .SetContentStream (_afab ,nil );if _bada !=nil {return nil ,nil ,_bada ;};_bdgbc .BBox =_cbbb .ToPdfObject ();_fcbc :=_gf .MakeDict ();_fcbc .Set ("\u004e",_bdgbc .ToPdfObject ());return _fcbc ,_fcac ,nil ;
};

// LineAnnotationDef defines a line between point 1 (X1,Y1) and point 2 (X2,Y2).  The line ending styles can be none
// (regular line), or arrows at either end.  The line also has a specified width, color and opacity.
type LineAnnotationDef struct{X1 float64 ;Y1 float64 ;X2 float64 ;Y2 float64 ;LineColor *_fd .PdfColorDeviceRGB ;Opacity float64 ;LineWidth float64 ;LineEndingStyle1 _bg .LineEndingStyle ;LineEndingStyle2 _bg .LineEndingStyle ;};

// ComboboxFieldOptions defines optional parameters for a combobox form field.
type ComboboxFieldOptions struct{

// Choices is the list of string values that can be selected.
Choices []string ;};func _edef (_aeg LineAnnotationDef ,_bdcc string )([]byte ,*_fd .PdfRectangle ,*_fd .PdfRectangle ,error ){_cbgc :=_bg .Line {X1 :0,Y1 :0,X2 :_aeg .X2 -_aeg .X1 ,Y2 :_aeg .Y2 -_aeg .Y1 ,LineColor :_aeg .LineColor ,Opacity :_aeg .Opacity ,LineWidth :_aeg .LineWidth ,LineEndingStyle1 :_aeg .LineEndingStyle1 ,LineEndingStyle2 :_aeg .LineEndingStyle2 };
_cbge ,_addg ,_bdgb :=_cbgc .Draw (_bdcc );if _bdgb !=nil {return nil ,nil ,nil ,_bdgb ;};_ffcf :=&_fd .PdfRectangle {};_ffcf .Llx =_aeg .X1 +_addg .Llx ;_ffcf .Lly =_aeg .Y1 +_addg .Lly ;_ffcf .Urx =_aeg .X1 +_addg .Urx ;_ffcf .Ury =_aeg .Y1 +_addg .Ury ;
return _cbge ,_addg ,_ffcf ,nil ;};

// AppearanceFontStyle defines font style characteristics for form fields,
// used in the filling/flattening process.
type AppearanceFontStyle struct{

// Fallback represents a global font fallback, used for fields which do
// not specify a font in their default appearance (DA). The fallback is
// also used if there is a font specified in the DA, but it is not
// found in the AcroForm resources (DR).
Fallback *AppearanceFont ;

// FallbackSize represents a global font size fallback used for fields
// which do not specify a font size in their default appearance (DA).
// The fallback size is applied only if its value is larger than zero.
FallbackSize float64 ;

// FieldFallbacks defines font fallbacks for specific fields. The map keys
// represent the names of the fields (which can be specified by their
// partial or full names). Specific field fallback fonts take precedence
// over the global font fallback.
FieldFallbacks map[string ]*AppearanceFont ;

// ForceReplace forces the replacement of fonts in the filling/flattening
// process, even if the default appearance (DA) specifies a valid font.
// If no fallback font is provided, setting this field has no effect.
ForceReplace bool ;};func _aac (_aab *_fd .PdfAnnotationWidget ,_feg *_fd .PdfFieldText ,_cf *_fd .PdfPageResources ,_gd AppearanceStyle )(*_gf .PdfObjectDictionary ,error ){_ddc :=_fd .NewPdfPageResources ();_da ,_ec :=_gf .GetArray (_aab .Rect );if !_ec {return nil ,_ff .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");
};_faf ,_cab :=_fd .NewPdfRectangle (*_da );if _cab !=nil {return nil ,_cab ;};_ad ,_bdda :=_faf .Width (),_faf .Height ();_ddf ,_fg :=_ad ,_bdda ;_fdc ,_daa :=_gf .GetDict (_aab .MK );if _daa {_eb ,_ :=_gf .GetDict (_aab .BS );_gcg :=_gd .applyAppearanceCharacteristics (_fdc ,_eb ,nil );
if _gcg !=nil {return nil ,_gcg ;};};_acc ,_cab :=_b .NewContentStreamParser (_debc (_feg .PdfField )).Parse ();if _cab !=nil {return nil ,_cab ;};_cda :=_b .NewContentCreator ();if _gd .BorderSize > 0{_eegf (_cda ,_gd ,_ad ,_bdda );};if _gd .DrawAlignmentReticle {_eeb :=_gd ;
_eeb .BorderSize =0.2;_fdbe (_cda ,_eeb ,_ad ,_bdda );};_cda .Add_BMC ("\u0054\u0078");_cda .Add_q ();_ad ,_bdda =_gd .applyRotation (_fdc ,_ad ,_bdda ,_cda );_cda .Add_BT ();_fgd ,_caf ,_cab :=_gd .processDA (_feg .PdfField ,_acc ,_cf ,_ddc ,_cda );if _cab !=nil {return nil ,_cab ;
};_fdd :=_fgd .Font ;_bab :=_fgd .Size ;_cgf :=_gf .MakeName (_fgd .Name );_dbd :=_bab ==0;if _dbd &&_caf {_bab =_bdda *_gd .AutoFontSizeFraction ;};_fcf :=_fdd .Encoder ();if _fcf ==nil {_f .Log .Debug ("\u0057\u0041RN\u003a\u0020\u0066\u006f\u006e\u0074\u0020\u0065\u006e\u0063\u006f\u0064\u0065\u0072\u0020\u0069\u0073\u0020\u006e\u0069l\u002e\u0020\u0041\u0073s\u0075\u006d\u0069\u006eg \u0069\u0064e\u006et\u0069\u0074\u0079\u0020\u0065\u006ec\u006f\u0064\u0065r\u002e\u0020O\u0075\u0074\u0070\u0075\u0074\u0020\u006d\u0061\u0079\u0020\u0062\u0065\u0020\u0069n\u0063\u006f\u0072\u0072\u0065\u0063\u0074\u002e");
_fcf =_fa .NewIdentityTextEncoder ("\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079\u002d\u0048");};_dde ,_cab :=_fdd .GetFontDescriptor ();if _cab !=nil {_f .Log .Debug ("\u0045\u0072ro\u0072\u003a\u0020U\u006e\u0061\u0062\u006ce t\u006f g\u0065\u0074\u0020\u0066\u006f\u006e\u0074 d\u0065\u0073\u0063\u0072\u0069\u0070\u0074o\u0072");
};var _ccc string ;if _bgg ,_gaf :=_gf .GetString (_feg .V );_gaf {_ccc =_bgg .Decoded ();};if len (_ccc )==0{return nil ,nil ;};_bac :=[]string {_ccc };_egac :=false ;if _feg .Flags ().Has (_fd .FieldFlagMultiline ){_egac =true ;_ccc =_c .Replace (_ccc ,"\u000d\u000a","\u000a",-1);
_ccc =_c .Replace (_ccc ,"\u000d","\u000a",-1);_bac =_c .Split (_ccc ,"\u000a");};_abd :=make ([]string ,len (_bac ));copy (_abd ,_bac );_gfa :=_gd .MultilineLineHeight ;_eeg :=0.0;_eea :=0;if _fcf !=nil {for _bab >=0{_bde :=make ([]string ,len (_bac ));
copy (_bde ,_bac );_ge :=make ([]string ,len (_abd ));copy (_ge ,_abd );_eeg =0.0;_eea =0;_fae :=len (_bde );_af :=0;for _af < _fae {var _gdf float64 ;_bbc :=-1;_abf :=_cc ;if _gd .MarginLeft !=nil {_abf =*_gd .MarginLeft ;};for _dgd ,_ada :=range _bde [_af ]{if _ada ==' '{_bbc =_dgd ;
_gdf =_abf ;};_cad ,_fb :=_fdd .GetRuneMetrics (_ada );if !_fb {_f .Log .Debug ("\u0046\u006f\u006e\u0074\u0020\u0064o\u0065\u0073\u0020\u006e\u006f\u0074\u0020\u0068\u0061\u0076\u0065\u0020\u0072\u0075\u006e\u0065\u0020\u006d\u0065\u0074r\u0069\u0063\u0073\u0020\u0066\u006f\u0072\u0020\u0025\u0076\u0020\u002d\u0020\u0073k\u0069p\u0070\u0069\u006e\u0067",_ada );
continue ;};_abf +=_cad .Wx ;if _egac &&!_dbd &&_bab *_abf /1000.0> _ad &&_bbc > 0{_bga :=_bde [_af ][_bbc +1:];_fgdc :=_ge [_af ][_bbc +1:];if _af < len (_bde )-1{_bde =append (_bde [:_af +1],_bde [_af :]...);_bde [_af +1]=_bga ;_ge =append (_ge [:_af +1],_ge [_af :]...);
_ge [_af +1]=_fgdc ;}else {_bde =append (_bde ,_bga );_ge =append (_ge ,_fgdc );};_fae ++;_bde [_af ]=_bde [_af ][0:_bbc ];_ge [_af ]=_ge [_af ][0:_bbc ];_abf =_gdf ;break ;};};if _abf > _eeg {_eeg =_abf ;};_bde [_af ]=string (_fcf .Encode (_bde [_af ]));
if len (_bde [_af ])> 0{_eea ++;};_af ++;};_dbf :=_bab ;if _eea > 1{_dbf *=_gfa ;};_fagc :=float64 (_eea )*_dbf ;if _dbd ||_fagc <=_bdda {_bac =_bde ;_abd =_ge ;break ;};_bab --;};};_dge :=_cc ;if _gd .MarginLeft !=nil {_dge =*_gd .MarginLeft ;};if _bab ==0||_dbd &&_eeg > 0&&_dge +_eeg *_bab /1000.0> _ad {_bab =0.95*1000.0*(_ad -_dge )/_eeg ;
};_dgeb :=_cd ;{if _baf ,_cfg :=_gf .GetIntVal (_feg .Q );_cfg {switch _baf {case 0:_dgeb =_cd ;case 1:_dgeb =_bdd ;case 2:_dgeb =_effd ;default:_f .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0055\u006e\u0073\u0075\u0070\u0070\u006f\u0072t\u0065\u0064\u0020\u0071\u0075\u0061\u0064\u0064\u0069\u006e\u0067\u003a\u0020%\u0064\u0020\u002d\u0020\u0075\u0073\u0069\u006e\u0067\u0020\u006c\u0065ft\u0020\u0061\u006c\u0069\u0067\u006e\u006d\u0065\u006e\u0074",_baf );
};};};_ecc :=_bab ;if _egac &&_eea > 1{_ecc =_gfa *_bab ;};var _fega float64 ;if _dde !=nil {_fega ,_cab =_dde .GetCapHeight ();if _cab !=nil {_f .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0055\u006e\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0067\u0065\u0074 \u0066\u006f\u006e\u0074\u0020\u0043\u0061\u0070\u0048\u0065\u0069\u0067\u0068t\u003a\u0020\u0025\u0076",_cab );
};};if int (_fega )<=0{_f .Log .Debug ("W\u0041\u0052\u004e\u003a\u0020\u0043\u0061\u0070\u0048e\u0069\u0067\u0068\u0074\u0020\u006e\u006ft \u0061\u0076\u0061\u0069l\u0061\u0062\u006c\u0065\u0020\u002d\u0020\u0073\u0065tt\u0069\u006eg\u0020\u0074\u006f\u0020\u0031\u0030\u0030\u0030");
_fega =1000;};_fca :=_fega /1000.0*_bab ;_fcc :=0.0;{_cga :=float64 (_eea )*_ecc ;if _dbd &&_fcc +_cga > _bdda {_bab =0.95*(_bdda -_fcc )/float64 (_eea );_ecc =_bab ;if _egac &&_eea > 1{_ecc =_gfa *_bab ;};_fca =_fega /1000.0*_bab ;_cga =float64 (_eea )*_ecc ;
};if _bdda > _cga {if _egac {if _gd .MultilineVAlignMiddle {_ddfc :=(_bdda -(_cga +_fca ))/2.0;_beg :=_ddfc +_cga +_fca -_ecc ;_fcc =_beg ;if _eea > 1{_fcc =_fcc +(_cga /_bab *float64 (_eea ))-_ecc -_fca ;};if _fcc < _cga {_fcc =(_bdda -_fca )/2.0;};}else {_fcc =_bdda -_ecc ;
if _fcc > _bab {_fcc -=_bab *0.5;};};}else {_fcc =(_bdda -_fca )/2.0;};};};_cda .Add_Tf (*_cgf ,_bab );_cda .Add_Td (_dge ,_fcc );_efab :=_dge ;_gga :=_dge ;for _bgf ,_dgda :=range _bac {_fcag :=0.0;for _ ,_cagg :=range _abd [_bgf ]{_dbda ,_fcca :=_fdd .GetRuneMetrics (_cagg );
if !_fcca {continue ;};_fcag +=_dbda .Wx ;};_ebd :=_fcag /1000.0*_bab ;_dgec :=_ad -_ebd ;var _bce float64 ;switch _dgeb {case _cd :_bce =_efab ;case _bdd :_bce =_dgec /2;case _effd :_bce =_dgec ;};_dge =_bce -_gga ;if _dge > 0.0{_cda .Add_Td (_dge ,0);
};_gga =_bce ;_cda .Add_Tj (*_gf .MakeString (_dgda ));if _bgf < len (_bac )-1{_cda .Add_Td (0,-_bab *_gfa );};};_cda .Add_ET ();_cda .Add_Q ();_cda .Add_EMC ();_bcea :=_fd .NewXObjectForm ();_bcea .Resources =_ddc ;_bcea .BBox =_gf .MakeArrayFromFloats ([]float64 {0,0,_ddf ,_fg });
_bcea .SetContentStream (_cda .Bytes (),_cbcg ());_gef :=_gf .MakeDict ();_gef .Set ("\u004e",_bcea .ToPdfObject ());return _gef ,nil ;};func _db (_gfc CircleAnnotationDef )(*_gf .PdfObjectDictionary ,*_fd .PdfRectangle ,error ){_be :=_fd .NewXObjectForm ();
_be .Resources =_fd .NewPdfPageResources ();_fag :="";if _gfc .Opacity < 1.0{_bf :=_gf .MakeDict ();_bf .Set ("\u0063\u0061",_gf .MakeFloat (_gfc .Opacity ));_bf .Set ("\u0043\u0041",_gf .MakeFloat (_gfc .Opacity ));_cee :=_be .Resources .AddExtGState ("\u0067\u0073\u0031",_bf );
if _cee !=nil {_f .Log .Debug ("U\u006e\u0061\u0062\u006c\u0065\u0020t\u006f\u0020\u0061\u0064\u0064\u0020\u0065\u0078\u0074g\u0073\u0074\u0061t\u0065 \u0067\u0073\u0031");return nil ,nil ,_cee ;};_fag ="\u0067\u0073\u0031";};_gg ,_ead ,_eff ,_efa :=_df (_gfc ,_fag );
if _efa !=nil {return nil ,nil ,_efa ;};_efa =_be .SetContentStream (_gg ,nil );if _efa !=nil {return nil ,nil ,_efa ;};_be .BBox =_ead .ToPdfObject ();_eg :=_gf .MakeDict ();_eg .Set ("\u004e",_be .ToPdfObject ());return _eg ,_eff ,nil ;};

// NewImageField generates a new image field with partial name `name` at location `rect`
// on specified `page` and with field specific options `opt`.
func NewImageField (page *_fd .PdfPage ,name string ,rect []float64 ,opt ImageFieldOptions )(*_fd .PdfFieldButton ,error ){if page ==nil {return nil ,_ff .New ("\u0070a\u0067e\u0020\u006e\u006f\u0074\u0020s\u0070\u0065c\u0069\u0066\u0069\u0065\u0064");
};if len (name )<=0{return nil ,_ff .New ("\u0072\u0065\u0071\u0075\u0069\u0072\u0065\u0064\u0020\u0061\u0074\u0074\u0072\u0069\u0062u\u0074e\u0020\u006e\u006f\u0074\u0020\u0073\u0070\u0065\u0063\u0069\u0066\u0069\u0065\u0064");};if len (rect )!=4{return nil ,_ff .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u0061\u006e\u0067\u0065");
};_dbcb :=_fd .NewPdfField ();_efdd :=&_fd .PdfFieldButton {};_efdd .PdfField =_dbcb ;_dbcb .SetContext (_efdd );_efdd .SetType (_fd .ButtonTypePush );_efdd .T =_gf .MakeString (name );_cba :=_fd .NewPdfAnnotationWidget ();_cba .Rect =_gf .MakeArrayFromFloats (rect );
_cba .P =page .ToPdfObject ();_cba .F =_gf .MakeInteger (4);_cba .Parent =_efdd .ToPdfObject ();_cffg :=rect [2]-rect [0];_bfba :=rect [3]-rect [1];_cec :=opt ._age ;_afgg :=_b .NewContentCreator ();if _cec .BorderSize > 0{_eegf (_afgg ,_cec ,_cffg ,_bfba );
};if _cec .DrawAlignmentReticle {_cdf :=_cec ;_cdf .BorderSize =0.2;_fdbe (_afgg ,_cdf ,_cffg ,_bfba );};_cege ,_dbg :=_fffa (_cffg ,_bfba ,opt .Image ,_cec );if _dbg !=nil {return nil ,_dbg ;};_aba ,_abbf :=_gf .GetDict (_cba .MK );if _abbf {_aba .Set ("\u006c",_cege .ToPdfObject ());
};_abbe :=_gf .MakeDict ();_abbe .Set ("\u0046\u0052\u004d",_cege .ToPdfObject ());_dbdg :=_fd .NewPdfPageResources ();_dbdg .ProcSet =_gf .MakeArray (_gf .MakeName ("\u0050\u0044\u0046"));_dbdg .XObject =_abbe ;_efg :=_cffg -2;_abee :=_bfba -2;_afgg .Add_q ();
_afgg .Add_re (1,1,_efg ,_abee );_afgg .Add_W ();_afgg .Add_n ();_efg -=2;_abee -=2;_afgg .Add_q ();_afgg .Add_re (2,2,_efg ,_abee );_afgg .Add_W ();_afgg .Add_n ();_aceb :=_ea .Min (_efg /float64 (opt .Image .Width ),_abee /float64 (opt .Image .Height ));
_afgg .Add_cm (_aceb ,0,0,_aceb ,(_cffg /2)-(float64 (opt .Image .Width )*_aceb /2)+2,2);_afgg .Add_Do ("\u0046\u0052\u004d");_afgg .Add_Q ();_afgg .Add_Q ();_bcfge :=_fd .NewXObjectForm ();_bcfge .FormType =_gf .MakeInteger (1);_bcfge .Resources =_dbdg ;
_bcfge .BBox =_gf .MakeArrayFromFloats ([]float64 {0,0,_cffg ,_bfba });_bcfge .Matrix =_gf .MakeArrayFromFloats ([]float64 {1.0,0.0,0.0,1.0,0.0,0.0});_bcfge .SetContentStream (_afgg .Bytes (),_cbcg ());_cgd :=_gf .MakeDict ();_cgd .Set ("\u004e",_bcfge .ToPdfObject ());
_cba .AP =_cgd ;_efdd .Annotations =append (_efdd .Annotations ,_cba );return _efdd ,nil ;};

// SignatureLine represents a line of information in the signature field appearance.
type SignatureLine struct{Desc string ;Text string ;};func (_fagf *AppearanceStyle )applyRotation (_ffbf *_gf .PdfObjectDictionary ,_cbf ,_efc float64 ,_afg *_b .ContentCreator )(float64 ,float64 ){if !_fagf .AllowMK {return _cbf ,_efc ;};if _ffbf ==nil {return _cbf ,_efc ;
};_ccac ,_ :=_gf .GetNumberAsFloat (_ffbf .Get ("\u0052"));if _ccac ==0{return _cbf ,_efc ;};_egad :=-_ccac ;_dbc :=_bg .Path {Points :[]_bg .Point {_bg .NewPoint (0,0).Rotate (_egad ),_bg .NewPoint (_cbf ,0).Rotate (_egad ),_bg .NewPoint (0,_efc ).Rotate (_egad ),_bg .NewPoint (_cbf ,_efc ).Rotate (_egad )}}.GetBoundingBox ();
_afg .RotateDeg (_ccac );_afg .Translate (_dbc .X ,_dbc .Y );return _dbc .Width ,_dbc .Height ;};func _edce (_baad _g .Image ,_edcd string ,_fdfdc *SignatureFieldOpts ,_ede []float64 ,_fdg *_b .ContentCreator )(*_gf .PdfObjectName ,*_fd .XObjectImage ,error ){_caga ,_ffd :=_fd .DefaultImageHandler {}.NewImageFromGoImage (_baad );
if _ffd !=nil {return nil ,nil ,_ffd ;};_cbcgc ,_ffd :=_fd .NewXObjectImageFromImage (_caga ,nil ,_fdfdc .Encoder );if _ffd !=nil {return nil ,nil ,_ffd ;};_bcge ,_eaba :=float64 (*_cbcgc .Width ),float64 (*_cbcgc .Height );_befb :=_ede [2]-_ede [0];_cgc :=_ede [3]-_ede [1];
if _fdfdc .AutoSize {_fce :=_ea .Min (_befb /_bcge ,_cgc /_eaba );_bcge *=_fce ;_eaba *=_fce ;_ede [0]=_ede [0]+(_befb /2)-(_bcge /2);_ede [1]=_ede [1]+(_cgc /2)-(_eaba /2);};var _ecaa *_gf .PdfObjectName ;if _acdc ,_adag :=_gf .GetName (_cbcgc .Name );
_adag {_ecaa =_acdc ;}else {_ecaa =_gf .MakeName (_edcd );};if _fdg !=nil {_fdg .Add_q ().Translate (_ede [0],_ede [1]).Scale (_bcge ,_eaba ).Add_Do (*_ecaa ).Add_Q ();}else {return nil ,nil ,_ff .New ("\u0043\u006f\u006e\u0074en\u0074\u0043\u0072\u0065\u0061\u0074\u006f\u0072\u0020\u0069\u0073\u0020\u006e\u0075l\u006c");
};return _ecaa ,_cbcgc ,nil ;};

// CheckboxFieldOptions defines optional parameters for a checkbox field a form.
type CheckboxFieldOptions struct{Checked bool ;};const (SignatureImageLeft SignatureImagePosition =iota ;SignatureImageRight ;SignatureImageTop ;SignatureImageBottom ;);

// CircleAnnotationDef defines a circle annotation or ellipse at position (X, Y) and Width and Height.
// The annotation has various style parameters including Fill and Border options and Opacity.
type CircleAnnotationDef struct{X float64 ;Y float64 ;Width float64 ;Height float64 ;FillEnabled bool ;FillColor *_fd .PdfColorDeviceRGB ;BorderEnabled bool ;BorderWidth float64 ;BorderColor *_fd .PdfColorDeviceRGB ;Opacity float64 ;};func _df (_dg CircleAnnotationDef ,_bbf string )([]byte ,*_fd .PdfRectangle ,*_fd .PdfRectangle ,error ){_gc :=_bg .Circle {X :_dg .X ,Y :_dg .Y ,Width :_dg .Width ,Height :_dg .Height ,FillEnabled :_dg .FillEnabled ,FillColor :_dg .FillColor ,BorderEnabled :_dg .BorderEnabled ,BorderWidth :_dg .BorderWidth ,BorderColor :_dg .BorderColor ,Opacity :_dg .Opacity };
_bd ,_ab ,_acf :=_gc .Draw (_bbf );if _acf !=nil {return nil ,nil ,nil ,_acf ;};_ba :=&_fd .PdfRectangle {};_ba .Llx =_dg .X +_ab .Llx ;_ba .Lly =_dg .Y +_ab .Lly ;_ba .Urx =_dg .X +_ab .Urx ;_ba .Ury =_dg .Y +_ab .Ury ;return _bd ,_ab ,_ba ,nil ;};

// Style returns the appearance style of `fa`. If not specified, returns default style.
func (_bebc ImageFieldAppearance )Style ()AppearanceStyle {if _bebc ._bbfd !=nil {return *_bebc ._bbfd ;};return AppearanceStyle {BorderSize :0.0,BorderColor :_fd .NewPdfColorDeviceGray (0),FillColor :_fd .NewPdfColorDeviceGray (1),DrawAlignmentReticle :false };
};func _fffa (_aadg ,_ebf float64 ,_cbe *_fd .Image ,_cfgf AppearanceStyle )(*_fd .XObjectForm ,error ){_ccefe ,_efgc :=_fd .NewXObjectImageFromImage (_cbe ,nil ,_gf .NewFlateEncoder ());if _efgc !=nil {return nil ,_efgc ;};_ccefe .Decode =_gf .MakeArrayFromFloats ([]float64 {0.0,1.0,0.0,1.0,0.0,1.0});
_bdgf :=_fd .NewPdfPageResources ();_bdgf .ProcSet =_gf .MakeArray (_gf .MakeName ("\u0050\u0044\u0046"),_gf .MakeName ("\u0049\u006d\u0061\u0067\u0065\u0043"));_bdgf .SetXObjectImageByName (_gf .PdfObjectName ("\u0049\u006d\u0030"),_ccefe );_dca :=_b .NewContentCreator ();
_dca .Add_q ();_dca .Add_cm (float64 (_cbe .Width ),0,0,float64 (_cbe .Height ),0,0);_dca .Add_Do ("\u0049\u006d\u0030");_dca .Add_Q ();_dfee :=_fd .NewXObjectForm ();_dfee .FormType =_gf .MakeInteger (1);_dfee .BBox =_gf .MakeArrayFromFloats ([]float64 {0,0,float64 (_cbe .Width ),float64 (_cbe .Height )});
_dfee .Resources =_bdgf ;_dfee .SetContentStream (_dca .Bytes (),_cbcg ());return _dfee ,nil ;};type quadding int ;func _cdga (_fcgf *_fd .PdfAnnotationWidget ,_egbg *_fd .PdfFieldButton ,_fdb *_fd .PdfPageResources ,_aae AppearanceStyle )(*_gf .PdfObjectDictionary ,error ){_afac ,_bdff :=_gf .GetArray (_fcgf .Rect );
if !_bdff {return nil ,_ff .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");};_ced ,_gae :=_fd .NewPdfRectangle (*_afac );if _gae !=nil {return nil ,_gae ;};_fcd ,_fcga :=_ced .Width (),_ced .Height ();_fdbf ,_fad :=_fcd ,_fcga ;
_f .Log .Debug ("\u0043\u0068\u0065\u0063kb\u006f\u0078\u002c\u0020\u0077\u0061\u0020\u0042\u0053\u003a\u0020\u0025\u0076",_fcgf .BS );_edc ,_gae :=_fd .NewStandard14Font ("\u005a\u0061\u0070f\u0044\u0069\u006e\u0067\u0062\u0061\u0074\u0073");if _gae !=nil {return nil ,_gae ;
};_gdd ,_eca :=_gf .GetDict (_fcgf .MK );if _eca {_gfg ,_ :=_gf .GetDict (_fcgf .BS );_abe :=_aae .applyAppearanceCharacteristics (_gdd ,_gfg ,_edc );if _abe !=nil {return nil ,_abe ;};};_cbc :=_fd .NewXObjectForm ();{_eaaf :=_b .NewContentCreator ();if _aae .BorderSize > 0{_eegf (_eaaf ,_aae ,_fcd ,_fcga );
};if _aae .DrawAlignmentReticle {_ggf :=_aae ;_ggf .BorderSize =0.2;_fdbe (_eaaf ,_ggf ,_fcd ,_fcga );};_fcd ,_fcga =_aae .applyRotation (_gdd ,_fcd ,_fcga ,_eaaf );_efd :=_aae .AutoFontSizeFraction *_fcga ;_cgfe ,_gbe :=_edc .GetRuneMetrics (_aae .CheckmarkRune );
if !_gbe {return nil ,_ff .New ("\u0067l\u0079p\u0068\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};_fdcc :=_edc .Encoder ();_aacc :=_fdcc .Encode (string (_aae .CheckmarkRune ));_bad :=_cgfe .Wx *_efd /1000.0;_bge :=705.0;_bgb :=_bge /1000.0*_efd ;
_dfd :=_cc ;if _aae .MarginLeft !=nil {_dfd =*_aae .MarginLeft ;};_ddec :=1.0;if _bad < _fcd {_dfd =(_fcd -_bad )/2.0;};if _bgb < _fcga {_ddec =(_fcga -_bgb )/2.0;};_eaaf .Add_q ().Add_g (0).Add_BT ().Add_Tf ("\u005a\u0061\u0044\u0062",_efd ).Add_Td (_dfd ,_ddec ).Add_Tj (*_gf .MakeStringFromBytes (_aacc )).Add_ET ().Add_Q ();
_cbc .Resources =_fd .NewPdfPageResources ();_cbc .Resources .SetFontByName ("\u005a\u0061\u0044\u0062",_edc .ToPdfObject ());_cbc .BBox =_gf .MakeArrayFromFloats ([]float64 {0,0,_fdbf ,_fad });_cbc .SetContentStream (_eaaf .Bytes (),_cbcg ());};_aaccd :=_fd .NewXObjectForm ();
{_eede :=_b .NewContentCreator ();if _aae .BorderSize > 0{_eegf (_eede ,_aae ,_fcd ,_fcga );};_aaccd .BBox =_gf .MakeArrayFromFloats ([]float64 {0,0,_fdbf ,_fad });_aaccd .SetContentStream (_eede .Bytes (),_cbcg ());};_ceed :=_gf .MakeDict ();_ceed .Set ("\u004f\u0066\u0066",_aaccd .ToPdfObject ());
_ceed .Set ("\u0059\u0065\u0073",_cbc .ToPdfObject ());_fgde :=_gf .MakeDict ();_fgde .Set ("\u004e",_ceed );return _fgde ,nil ;};func _cedb (_bagb LineAnnotationDef )(*_gf .PdfObjectDictionary ,*_fd .PdfRectangle ,error ){_babg :=_fd .NewXObjectForm ();
_babg .Resources =_fd .NewPdfPageResources ();_dfba :="";if _bagb .Opacity < 1.0{_dfag :=_gf .MakeDict ();_dfag .Set ("\u0063\u0061",_gf .MakeFloat (_bagb .Opacity ));_dcg :=_babg .Resources .AddExtGState ("\u0067\u0073\u0031",_dfag );if _dcg !=nil {_f .Log .Debug ("U\u006e\u0061\u0062\u006c\u0065\u0020t\u006f\u0020\u0061\u0064\u0064\u0020\u0065\u0078\u0074g\u0073\u0074\u0061t\u0065 \u0067\u0073\u0031");
return nil ,nil ,_dcg ;};_dfba ="\u0067\u0073\u0031";};_eegfe ,_cgeg ,_ccd ,_fgga :=_edef (_bagb ,_dfba );if _fgga !=nil {return nil ,nil ,_fgga ;};_fgga =_babg .SetContentStream (_eegfe ,nil );if _fgga !=nil {return nil ,nil ,_fgga ;};_babg .BBox =_cgeg .ToPdfObject ();
_ffc :=_gf .MakeDict ();_ffc .Set ("\u004e",_babg .ToPdfObject ());return _ffc ,_ccd ,nil ;};func (_dcb *AppearanceStyle )applyAppearanceCharacteristics (_gba *_gf .PdfObjectDictionary ,_bgcf *_gf .PdfObjectDictionary ,_babd *_fd .PdfFont )error {if !_dcb .AllowMK {return nil ;
};if CA ,_dfc :=_gf .GetString (_gba .Get ("\u0043\u0041"));_dfc &&_babd !=nil {_geca :=CA .Bytes ();if len (_geca )!=0{_bgce :=[]rune (_babd .Encoder ().Decode (_geca ));if len (_bgce )==1{_dcb .CheckmarkRune =_bgce [0];};};};if BC ,_ceg :=_gf .GetArray (_gba .Get ("\u0042\u0043"));
_ceg {_dfgf ,_ddbc :=BC .ToFloat64Array ();if _ddbc !=nil {return _ddbc ;};switch len (_dfgf ){case 1:_dcb .BorderColor =_fd .NewPdfColorDeviceGray (_dfgf [0]);case 3:_dcb .BorderColor =_fd .NewPdfColorDeviceRGB (_dfgf [0],_dfgf [1],_dfgf [2]);case 4:_dcb .BorderColor =_fd .NewPdfColorDeviceCMYK (_dfgf [0],_dfgf [1],_dfgf [2],_dfgf [3]);
default:_f .Log .Debug ("\u0045\u0052\u0052\u004f\u0052:\u0020\u0042\u0043\u0020\u002d\u0020\u0049\u006e\u0076\u0061\u006c\u0069\u0064 \u006e\u0075\u006d\u0062\u0065\u0072\u0020\u006f\u0066\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u0063\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073\u0020\u0028\u0025\u0064)",len (_dfgf ));
};if _bgcf !=nil {if _gad ,_bgcd :=_gf .GetNumberAsFloat (_bgcf .Get ("\u0057"));_bgcd ==nil {_dcb .BorderSize =_gad ;};};};if BG ,_daaf :=_gf .GetArray (_gba .Get ("\u0042\u0047"));_daaf {_ffb ,_faef :=BG .ToFloat64Array ();if _faef !=nil {return _faef ;
};switch len (_ffb ){case 1:_dcb .FillColor =_fd .NewPdfColorDeviceGray (_ffb [0]);case 3:_dcb .FillColor =_fd .NewPdfColorDeviceRGB (_ffb [0],_ffb [1],_ffb [2]);case 4:_dcb .FillColor =_fd .NewPdfColorDeviceCMYK (_ffb [0],_ffb [1],_ffb [2],_ffb [3]);default:_f .Log .Debug ("\u0045\u0052\u0052\u004f\u0052:\u0020\u0042\u0047\u0020\u002d\u0020\u0049\u006e\u0076\u0061\u006c\u0069\u0064 \u006e\u0075\u006d\u0062\u0065\u0072\u0020\u006f\u0066\u0020\u0063\u006f\u006c\u006f\u0072\u0020\u0063\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074\u0073\u0020\u0028\u0025\u0064)",len (_ffb ));
};};return nil ;};

// Style returns the appearance style of `fa`. If not specified, returns default style.
func (_dc FieldAppearance )Style ()AppearanceStyle {if _dc ._efb !=nil {return *_dc ._efb ;};_gce :=_cc ;return AppearanceStyle {AutoFontSizeFraction :0.65,CheckmarkRune :'✔',BorderSize :0.0,BorderColor :_fd .NewPdfColorDeviceGray (0),FillColor :_fd .NewPdfColorDeviceGray (1),MultilineLineHeight :1.2,MultilineVAlignMiddle :false ,DrawAlignmentReticle :false ,AllowMK :true ,MarginLeft :&_gce };
};

// NewSignatureLine returns a new signature line displayed as a part of the
// signature field appearance.
func NewSignatureLine (desc ,text string )*SignatureLine {return &SignatureLine {Desc :desc ,Text :text };};

// CreateLineAnnotation creates a line annotation object that can be added to page PDF annotations.
func CreateLineAnnotation (lineDef LineAnnotationDef )(*_fd .PdfAnnotation ,error ){_cffd :=_fd .NewPdfAnnotationLine ();_cffd .L =_gf .MakeArrayFromFloats ([]float64 {lineDef .X1 ,lineDef .Y1 ,lineDef .X2 ,lineDef .Y2 });_ecbf :=_gf .MakeName ("\u004e\u006f\u006e\u0065");
if lineDef .LineEndingStyle1 ==_bg .LineEndingStyleArrow {_ecbf =_gf .MakeName ("C\u006c\u006f\u0073\u0065\u0064\u0041\u0072\u0072\u006f\u0077");};_edg :=_gf .MakeName ("\u004e\u006f\u006e\u0065");if lineDef .LineEndingStyle2 ==_bg .LineEndingStyleArrow {_edg =_gf .MakeName ("C\u006c\u006f\u0073\u0065\u0064\u0041\u0072\u0072\u006f\u0077");
};_cffd .LE =_gf .MakeArray (_ecbf ,_edg );if lineDef .Opacity < 1.0{_cffd .CA =_gf .MakeFloat (lineDef .Opacity );};_bfgf ,_beag ,_adagd :=lineDef .LineColor .R (),lineDef .LineColor .G (),lineDef .LineColor .B ();_cffd .IC =_gf .MakeArrayFromFloats ([]float64 {_bfgf ,_beag ,_adagd });
_cffd .C =_gf .MakeArrayFromFloats ([]float64 {_bfgf ,_beag ,_adagd });_bcfgc :=_fd .NewBorderStyle ();_bcfgc .SetBorderWidth (lineDef .LineWidth );_cffd .BS =_bcfgc .ToPdfObject ();_bee ,_becf ,_abc :=_cedb (lineDef );if _abc !=nil {return nil ,_abc ;
};_cffd .AP =_bee ;_cffd .Rect =_gf .MakeArrayFromFloats ([]float64 {_becf .Llx ,_becf .Lly ,_becf .Urx ,_becf .Ury });return _cffd .PdfAnnotation ,nil ;};func _fdbe (_aec *_b .ContentCreator ,_cdb AppearanceStyle ,_bceb ,_dgf float64 ){_aec .Add_q ().Add_re (0,0,_bceb ,_dgf ).Add_re (0,_dgf /2,_bceb ,_dgf /2).Add_re (0,0,_bceb ,_dgf ).Add_re (_bceb /2,0,_bceb /2,_dgf ).Add_w (_cdb .BorderSize ).SetStrokingColor (_cdb .BorderColor ).SetNonStrokingColor (_cdb .FillColor ).Add_B ().Add_Q ();
};