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 (_c "bytes";_f "errors";_d "github.com/unidoc/unipdf/v3/common";_bg "github.com/unidoc/unipdf/v3/contentstream";_fb "github.com/unidoc/unipdf/v3/contentstream/draw";_cd "github.com/unidoc/unipdf/v3/core";_a "github.com/unidoc/unipdf/v3/internal/textencoding";
_bb "github.com/unidoc/unipdf/v3/model";_bga "image";_dg "math";_g "strings";_ad "unicode";);

// 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 ;_ca *AppearanceStyle ;};

// TextFieldOptions defines optional parameter for a text field in a form.
type TextFieldOptions struct{MaxLen int ;Value string ;};

// NewFormResetButtonField would create a reset button in specified page according to the parameter in `FormResetActionOptions`.
func NewFormResetButtonField (page *_bb .PdfPage ,opt FormResetActionOptions )(*_bb .PdfFieldButton ,error ){_eaaa :=_bb .NewPdfActionResetForm ();_eaaa .Fields =opt .Fields ;_eaaa .Flags =_cd .MakeInteger (0);if opt .IsExclusionList {_eaaa .Flags =_cd .MakeInteger (1);
};_dgeg ,_acb :=_ecc (page ,opt .Rectangle ,"\u0062\u0074\u006e\u0052\u0065\u0073\u0065\u0074",opt .Label ,opt .LabelColor ,opt .Font ,opt .FontSize ,_eaaa .ToPdfObject ());if _acb !=nil {return nil ,_acb ;};return _dgeg ,nil ;};

// 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 ;

// GenerateAppearanceDict generates an appearance dictionary for widget annotation `wa` for the `field` in `form`.
// Implements interface model.FieldAppearanceGenerator.
func (_bbg FieldAppearance )GenerateAppearanceDict (form *_bb .PdfAcroForm ,field *_bb .PdfField ,wa *_bb .PdfAnnotationWidget )(*_cd .PdfObjectDictionary ,error ){_d .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 );
_ ,_cdc :=field .GetContext ().(*_bb .PdfFieldText );_aggb ,_eg :=_cd .GetDict (wa .AP );if _eg &&_bbg .OnlyIfMissing &&(!_cdc ||!_bbg .RegenerateTextFields ){_d .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 _aggb ,nil ;};if form .DR ==nil {form .DR =_bb .NewPdfPageResources ();};switch _bae :=field .GetContext ().(type ){case *_bb .PdfFieldText :_eb :=_bae ;if _ef :=_dbf (_eb .PdfField );_ef ==""{_eb .DA =form .DA ;};switch {case _eb .Flags ().Has (_bb .FieldFlagPassword ):return nil ,nil ;
case _eb .Flags ().Has (_bb .FieldFlagFileSelect ):return nil ,nil ;case _eb .Flags ().Has (_bb .FieldFlagComb ):if _eb .MaxLen !=nil {_bge ,_cac :=_fec (wa ,_eb ,form .DR ,_bbg .Style ());if _cac !=nil {return nil ,_cac ;};return _bge ,nil ;};};_egd ,_egdb :=_df (wa ,_eb ,form .DR ,_bbg .Style ());
if _egdb !=nil {return nil ,_egdb ;};return _egd ,nil ;case *_bb .PdfFieldButton :_ga :=_bae ;if _ga .IsCheckbox (){_dgb ,_cae :=_gbaf (wa ,_ga ,form .DR ,_bbg .Style ());if _cae !=nil {return nil ,_cae ;};return _dgb ,nil ;};_d .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",_ga .GetType ());
case *_bb .PdfFieldChoice :_adg :=_bae ;switch {case _adg .Flags ().Has (_bb .FieldFlagCombo ):_cgd ,_efb :=_fggc (form ,wa ,_adg ,_bbg .Style ());if _efb !=nil {return nil ,_efb ;};return _cgd ,nil ;default:_d .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",_adg .Flags ().String ());
};default:_d .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",_bae );};return nil ,nil ;};func _e (_gd CircleAnnotationDef )(*_cd .PdfObjectDictionary ,*_bb .PdfRectangle ,error ){_adc :=_bb .NewXObjectForm ();
_adc .Resources =_bb .NewPdfPageResources ();_agg :="";if _gd .Opacity < 1.0{_fg :=_cd .MakeDict ();_fg .Set ("\u0063\u0061",_cd .MakeFloat (_gd .Opacity ));_fg .Set ("\u0043\u0041",_cd .MakeFloat (_gd .Opacity ));_cg :=_adc .Resources .AddExtGState ("\u0067\u0073\u0031",_fg );
if _cg !=nil {_d .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 ,_cg ;};_agg ="\u0067\u0073\u0031";};_gcb ,_fed ,_fda ,_gf :=_ffb (_gd ,_agg );
if _gf !=nil {return nil ,nil ,_gf ;};_gf =_adc .SetContentStream (_gcb ,nil );if _gf !=nil {return nil ,nil ,_gf ;};_adc .BBox =_fed .ToPdfObject ();_de :=_cd .MakeDict ();_de .Set ("\u004e",_adc .ToPdfObject ());return _de ,_fda ,nil ;};func _dfbg (_fdfe RectangleAnnotationDef ,_baee string )([]byte ,*_bb .PdfRectangle ,*_bb .PdfRectangle ,error ){_egeb :=_fb .Rectangle {X :0,Y :0,Width :_fdfe .Width ,Height :_fdfe .Height ,FillEnabled :_fdfe .FillEnabled ,FillColor :_fdfe .FillColor ,BorderEnabled :_fdfe .BorderEnabled ,BorderWidth :2*_fdfe .BorderWidth ,BorderColor :_fdfe .BorderColor ,Opacity :_fdfe .Opacity };
_gdac ,_agcg ,_cace :=_egeb .Draw (_baee );if _cace !=nil {return nil ,nil ,nil ,_cace ;};_fde :=&_bb .PdfRectangle {};_fde .Llx =_fdfe .X +_agcg .Llx ;_fde .Lly =_fdfe .Y +_agcg .Lly ;_fde .Urx =_fdfe .X +_agcg .Urx ;_fde .Ury =_fdfe .Y +_agcg .Ury ;return _gdac ,_agcg ,_fde ,nil ;
};const (SignatureImageLeft SignatureImagePosition =iota ;SignatureImageRight ;SignatureImageTop ;SignatureImageBottom ;);func _eaed (_bea LineAnnotationDef )(*_cd .PdfObjectDictionary ,*_bb .PdfRectangle ,error ){_fcgag :=_bb .NewXObjectForm ();_fcgag .Resources =_bb .NewPdfPageResources ();
_fbca :="";if _bea .Opacity < 1.0{_gced :=_cd .MakeDict ();_gced .Set ("\u0063\u0061",_cd .MakeFloat (_bea .Opacity ));_fgde :=_fcgag .Resources .AddExtGState ("\u0067\u0073\u0031",_gced );if _fgde !=nil {_d .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 ,_fgde ;};_fbca ="\u0067\u0073\u0031";};_feaf ,_ggga ,_feag ,_bca :=_cefbf (_bea ,_fbca );if _bca !=nil {return nil ,nil ,_bca ;};_bca =_fcgag .SetContentStream (_feaf ,nil );if _bca !=nil {return nil ,nil ,_bca ;};_fcgag .BBox =_ggga .ToPdfObject ();
_cfdd :=_cd .MakeDict ();_cfdd .Set ("\u004e",_fcgag .ToPdfObject ());return _cfdd ,_feag ,nil ;};

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

// 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 *_bb .PdfPage ,name string ,rect []float64 ,opt CheckboxFieldOptions )(*_bb .PdfFieldButton ,error ){if page ==nil {return nil ,_f .New ("\u0070a\u0067e\u0020\u006e\u006f\u0074\u0020s\u0070\u0065c\u0069\u0066\u0069\u0065\u0064");
};if len (name )<=0{return nil ,_f .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 ,_f .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u0061\u006e\u0067\u0065");
};_ffee ,_bfc :=_bb .NewStandard14Font (_bb .ZapfDingbatsName );if _bfc !=nil {return nil ,_bfc ;};_eabe :=_bb .NewPdfField ();_gcca :=&_bb .PdfFieldButton {};_eabe .SetContext (_gcca );_gcca .PdfField =_eabe ;_gcca .T =_cd .MakeString (name );_gcca .SetType (_bb .ButtonTypeCheckbox );
_bcf :="\u004f\u0066\u0066";if opt .Checked {_bcf ="\u0059\u0065\u0073";};_gcca .V =_cd .MakeName (_bcf );_cca :=_bb .NewPdfAnnotationWidget ();_cca .Rect =_cd .MakeArrayFromFloats (rect );_cca .P =page .ToPdfObject ();_cca .F =_cd .MakeInteger (4);_cca .Parent =_gcca .ToPdfObject ();
_fcdc :=rect [2]-rect [0];_bdcd :=rect [3]-rect [1];var _gcgc _c .Buffer ;_gcgc .WriteString ("\u0071\u000a");_gcgc .WriteString ("\u0030 \u0030\u0020\u0031\u0020\u0072\u0067\n");_gcgc .WriteString ("\u0042\u0054\u000a");_gcgc .WriteString ("\u002f\u005a\u0061D\u0062\u0020\u0031\u0032\u0020\u0054\u0066\u000a");
_gcgc .WriteString ("\u0045\u0054\u000a");_gcgc .WriteString ("\u0051\u000a");_acgd :=_bg .NewContentCreator ();_acgd .Add_q ();_acgd .Add_rg (0,0,1);_acgd .Add_BT ();_acgd .Add_Tf (*_cd .MakeName ("\u005a\u0061\u0044\u0062"),12);_acgd .Add_Td (0,0);_acgd .Add_ET ();
_acgd .Add_Q ();_dceg :=_bb .NewXObjectForm ();_dceg .SetContentStream (_acgd .Bytes (),_cd .NewRawEncoder ());_dceg .BBox =_cd .MakeArrayFromFloats ([]float64 {0,0,_fcdc ,_bdcd });_dceg .Resources =_bb .NewPdfPageResources ();_dceg .Resources .SetFontByName ("\u005a\u0061\u0044\u0062",_ffee .ToPdfObject ());
_acgd =_bg .NewContentCreator ();_acgd .Add_q ();_acgd .Add_re (0,0,_fcdc ,_bdcd );_acgd .Add_W ().Add_n ();_acgd .Add_rg (0,0,1);_acgd .Translate (0,3.0);_acgd .Add_BT ();_acgd .Add_Tf (*_cd .MakeName ("\u005a\u0061\u0044\u0062"),12);_acgd .Add_Td (0,0);
_acgd .Add_Tj (*_cd .MakeString ("\u0034"));_acgd .Add_ET ();_acgd .Add_Q ();_adff :=_bb .NewXObjectForm ();_adff .SetContentStream (_acgd .Bytes (),_cd .NewRawEncoder ());_adff .BBox =_cd .MakeArrayFromFloats ([]float64 {0,0,_fcdc ,_bdcd });_adff .Resources =_bb .NewPdfPageResources ();
_adff .Resources .SetFontByName ("\u005a\u0061\u0044\u0062",_ffee .ToPdfObject ());_aff :=_cd .MakeDict ();_aff .Set ("\u004f\u0066\u0066",_dceg .ToPdfObject ());_aff .Set ("\u0059\u0065\u0073",_adff .ToPdfObject ());_dgag :=_cd .MakeDict ();_dgag .Set ("\u004e",_aff );
_cca .AP =_dgag ;_cca .AS =_cd .MakeName (_bcf );_gcca .Annotations =append (_gcca .Annotations ,_cca );return _gcca ,nil ;};func _ecc (_dacg *_bb .PdfPage ,_effe _fb .Rectangle ,_gaba string ,_afce string ,_eaea _bb .PdfColor ,_gfgg *_bb .PdfFont ,_gcee *float64 ,_eeeg _cd .PdfObject )(*_bb .PdfFieldButton ,error ){_abd ,_dgad :=_effe .X ,_effe .Y ;
_dabd :=_effe .Width ;_eeee :=_effe .Height ;if _effe .FillColor ==nil {_effe .FillColor =_bb .NewPdfColorDeviceGray (0.7);};if _eaea ==nil {_eaea =_bb .NewPdfColorDeviceGray (0);};if _gfgg ==nil {_cded ,_bdbe :=_bb .NewStandard14Font ("\u0048e\u006c\u0076\u0065\u0074\u0069\u0063a");
if _bdbe !=nil {return nil ,_bdbe ;};_gfgg =_cded ;};_bage :=_bb .NewPdfField ();_fgcc :=&_bb .PdfFieldButton {};_bage .SetContext (_fgcc );_fgcc .PdfField =_bage ;_fgcc .T =_cd .MakeString (_gaba );_fgcc .SetType (_bb .ButtonTypePush );_fgcc .V =_cd .MakeName ("\u004f\u0066\u0066");
_fgcc .Ff =_cd .MakeInteger (4);_abga :=_cd .MakeDict ();_abga .Set (*_cd .MakeName ("\u0043\u0041"),_cd .MakeString (_afce ));_fecf ,_geaf :=_gfgg .GetFontDescriptor ();if _geaf !=nil {return nil ,_geaf ;};_aed :=_cd .MakeName ("\u0048e\u006c\u0076\u0065\u0074\u0069\u0063a");
_faaf :=12.0;if _fecf !=nil &&_fecf .FontName !=nil {_aed ,_ =_cd .GetName (_fecf .FontName );};if _gcee !=nil {_faaf =*_gcee ;};_gdagf :=_bg .NewContentCreator ();_gdagf .Add_q ();_gdagf .SetNonStrokingColor (_effe .FillColor );_gdagf .Add_re (0,0,_dabd ,_eeee );
_gdagf .Add_f ();_gdagf .Add_Q ();_gdagf .Add_q ();_gdagf .Add_BT ();_debf :=0.0;for _ ,_bbgfe :=range _afce {_affc ,_bbdf :=_gfgg .GetRuneMetrics (_bbgfe );if !_bbdf {_d .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",_bbgfe );
continue ;};_debf +=_affc .Wx ;};_debf =_debf /1000.0*_faaf ;var _bab float64 ;if _fecf !=nil {_bab ,_geaf =_fecf .GetCapHeight ();if _geaf !=nil {_d .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",_geaf );
};};if int (_bab )<=0{_d .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");
_bab =1000;};_efba :=_bab /1000.0*_faaf ;_dggb :=(_eeee -_efba )/2.0;_fac :=(_dabd -_debf )/2.0;_gdagf .Add_Tf (*_aed ,_faaf );_gdagf .SetNonStrokingColor (_eaea );_gdagf .Add_Td (_fac ,_dggb );_gdagf .Add_Tj (*_cd .MakeString (_afce ));_gdagf .Add_ET ();
_gdagf .Add_Q ();_deed :=_bb .NewXObjectForm ();_deed .SetContentStream (_gdagf .Bytes (),_cd .NewRawEncoder ());_deed .BBox =_cd .MakeArrayFromFloats ([]float64 {0,0,_dabd ,_eeee });_deed .Resources =_bb .NewPdfPageResources ();_deed .Resources .SetFontByName (*_aed ,_gfgg .ToPdfObject ());
_gcec :=_cd .MakeDict ();_gcec .Set ("\u004e",_deed .ToPdfObject ());_ceg :=_bb .NewPdfAnnotationWidget ();_ceg .Rect =_cd .MakeArrayFromFloats ([]float64 {_abd ,_dgad ,_abd +_dabd ,_dgad +_eeee });_ceg .P =_dacg .ToPdfObject ();_ceg .F =_cd .MakeInteger (4);
_ceg .Parent =_fgcc .ToPdfObject ();_ceg .A =_eeeg ;_ceg .MK =_abga ;_ceg .AP =_gcec ;_fgcc .Annotations =append (_fgcc .Annotations ,_ceg );return _fgcc ,nil ;};

// 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 *_bb .PdfColorDeviceRGB ;BorderEnabled bool ;BorderWidth float64 ;BorderColor *_bb .PdfColorDeviceRGB ;Opacity float64 ;};func _df (_fc *_bb .PdfAnnotationWidget ,_da *_bb .PdfFieldText ,_cda *_bb .PdfPageResources ,_dae AppearanceStyle )(*_cd .PdfObjectDictionary ,error ){_gcbc :=_bb .NewPdfPageResources ();
_dac ,_age :=_cd .GetArray (_fc .Rect );if !_age {return nil ,_f .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");};_aec ,_dace :=_bb .NewPdfRectangle (*_dac );if _dace !=nil {return nil ,_dace ;};_gfb ,_fgf :=_aec .Width (),_aec .Height ();
_dfa ,_ec :=_gfb ,_fgf ;_egb ,_egde :=_cd .GetDict (_fc .MK );if _egde {_gg ,_ :=_cd .GetDict (_fc .BS );_fgd :=_dae .applyAppearanceCharacteristics (_egb ,_gg ,nil );if _fgd !=nil {return nil ,_fgd ;};};_bgg ,_dace :=_bg .NewContentStreamParser (_dbf (_da .PdfField )).Parse ();
if _dace !=nil {return nil ,_dace ;};_bf :=_bg .NewContentCreator ();if _dae .BorderSize > 0{_ddc (_bf ,_dae ,_gfb ,_fgf );};if _dae .DrawAlignmentReticle {_db :=_dae ;_db .BorderSize =0.2;_deggd (_bf ,_db ,_gfb ,_fgf );};_bf .Add_BMC ("\u0054\u0078");
_bf .Add_q ();_gfb ,_fgf =_dae .applyRotation (_egb ,_gfb ,_fgf ,_bf );_bf .Add_BT ();_ggc ,_fce ,_dace :=_dae .processDA (_da .PdfField ,_bgg ,_cda ,_gcbc ,_bf );if _dace !=nil {return nil ,_dace ;};_dag :=_ggc .Font ;_ea :=_ggc .Size ;_af :=_cd .MakeName (_ggc .Name );
if _da .Flags ().Has (_bb .FieldFlagMultiline )&&_da .MaxLen !=nil {_d .Log .Debug ("\u004c\u006f\u006f\u006b\u0020\u0066\u006f\u0072\u0020\u0041\u0050\u0020\u0064\u0069\u0063\u0074\u0069\u006fn\u0061\u0072\u0079\u0020\u0066\u006f\u0072 \u004e\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0063\u006fn\u0074\u0065\u006e\u0074\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
if _fbd ,_gec ,_bag :=_fecd (_fc .PdfAnnotation .AP ,_cda );_bag {_af =_fbd ;_ea =_gec ;_fce =true ;};};_gda :=_ea ==0;if _gda &&_fce {_ea =_fgf *_dae .AutoFontSizeFraction ;};_cbg :=_dag .Encoder ();if _cbg ==nil {_d .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");
_cbg =_a .NewIdentityTextEncoder ("\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079\u002d\u0048");};_ee ,_dace :=_dag .GetFontDescriptor ();if _dace !=nil {_d .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 _bbgg string ;if _dc ,_ac :=_cd .GetString (_da .V );_ac {_bbgg =_dc .Decoded ();};if len (_bbgg )==0{return nil ,nil ;};_cgde :=[]string {_bbgg };_cf :=false ;if _da .Flags ().Has (_bb .FieldFlagMultiline ){_cf =true ;_bbgg =_g .Replace (_bbgg ,"\u000d\u000a","\u000a",-1);
_bbgg =_g .Replace (_bbgg ,"\u000d","\u000a",-1);_cgde =_g .Split (_bbgg ,"\u000a");};_efc :=make ([]string ,len (_cgde ));copy (_efc ,_cgde );_aeg :=_dae .MultilineLineHeight ;_eae :=0.0;_baa :=0;if _cbg !=nil {for _ea >=0{_bgce :=make ([]string ,len (_cgde ));
copy (_bgce ,_cgde );_gbd :=make ([]string ,len (_efc ));copy (_gbd ,_efc );_eae =0.0;_baa =0;_dfd :=len (_bgce );_acg :=0;for _acg < _dfd {var _fceg float64 ;_bd :=-1;_bfg :=_dgg ;if _dae .MarginLeft !=nil {_bfg =*_dae .MarginLeft ;};for _eaf ,_eag :=range _bgce [_acg ]{if _eag ==' '{_bd =_eaf ;
};_fea ,_ecg :=_dag .GetRuneMetrics (_eag );if !_ecg {_d .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",_eag );
continue ;};_fceg =_bfg ;_bfg +=_fea .Wx ;if _cf &&!_gda &&_ea *_bfg /1000.0> _gfb {_daa :=_eaf ;_ecd :=_eaf ;if _bd > 0{_daa =_bd +1;_ecd =_bd ;};_geb :=_bgce [_acg ][_daa :];_ffe :=_gbd [_acg ][_daa :];if _acg < len (_bgce )-1{_bgce =append (_bgce [:_acg +1],_bgce [_acg :]...);
_bgce [_acg +1]=_geb ;_gbd =append (_gbd [:_acg +1],_gbd [_acg :]...);_gbd [_acg +1]=_ffe ;}else {_bgce =append (_bgce ,_geb );_gbd =append (_gbd ,_ffe );};_bgce [_acg ]=_bgce [_acg ][0:_ecd ];_gbd [_acg ]=_gbd [_acg ][0:_ecd ];_dfd ++;_bfg =_fceg ;break ;
};};if _bfg > _eae {_eae =_bfg ;};_bgce [_acg ]=string (_cbg .Encode (_bgce [_acg ]));if len (_bgce [_acg ])> 0{_baa ++;};_acg ++;};_gba :=_ea ;if _baa > 1{_gba *=_aeg ;};_gdb :=float64 (_baa )*_gba ;if _gda ||_gdb <=_fgf {_cgde =_bgce ;_efc =_gbd ;break ;
};_ea --;};};_fbdd :=_dgg ;if _dae .MarginLeft !=nil {_fbdd =*_dae .MarginLeft ;};if _ea ==0||_gda &&_eae > 0&&_fbdd +_eae *_ea /1000.0> _gfb {_ea =0.95*1000.0*(_gfb -_fbdd )/_eae ;};_bbgc :=_gb ;{if _bef ,_fbdb :=_cd .GetIntVal (_da .Q );_fbdb {switch _bef {case 0:_bbgc =_gb ;
case 1:_bbgc =_cc ;case 2:_bbgc =_cb ;default:_d .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",_bef );
};};};_ffbc :=_ea ;if _cf &&_baa > 1{_ffbc =_aeg *_ea ;};var _ggf float64 ;if _ee !=nil {_ggf ,_dace =_ee .GetCapHeight ();if _dace !=nil {_d .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",_dace );
};};if int (_ggf )<=0{_d .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");
_ggf =1000;};_deg :=_ggf /1000.0*_ea ;_ebg :=0.0;{_ece :=float64 (_baa )*_ffbc ;if _gda &&_ebg +_ece > _fgf {_ea =0.95*(_fgf -_ebg )/float64 (_baa );_ffbc =_ea ;if _cf &&_baa > 1{_ffbc =_aeg *_ea ;};_deg =_ggf /1000.0*_ea ;_ece =float64 (_baa )*_ffbc ;
};if _fgf > _ece {if _cf {if _dae .MultilineVAlignMiddle {_ddb :=(_fgf -(_ece +_deg ))/2.0;_bbc :=_ddb +_ece +_deg -_ffbc ;_ebg =_bbc ;if _baa > 1{_ebg =_ebg +(_ece /_ea *float64 (_baa ))-_ffbc -_deg ;};if _ebg < _ece {_ebg =(_fgf -_deg )/2.0;};}else {_ebg =_fgf -_ffbc ;
if _ebg > _ea {_aac :=0.0;if _cf &&_dae .MultilineLineHeight > 1&&_baa > 1{_aac =_dae .MultilineLineHeight -1;};_ebg -=_ea *(0.5-_aac );};};}else {_ebg =(_fgf -_deg )/2.0;};};};_bf .Add_Tf (*_af ,_ea );_bf .Add_Td (_fbdd ,_ebg );_degf :=_fbdd ;_gdgd :=_fbdd ;
for _fceb ,_fcf :=range _cgde {_gcda :=0.0;for _ ,_gef :=range _efc [_fceb ]{_dge ,_fa :=_dag .GetRuneMetrics (_gef );if !_fa {continue ;};_gcda +=_dge .Wx ;};_egg :=_gcda /1000.0*_ea ;_gdd :=_gfb -_egg ;var _agc float64 ;switch _bbgc {case _gb :_agc =_degf ;
case _cc :_agc =_gdd /2;case _cb :_agc =_gdd ;};_fbdd =_agc -_gdgd ;if _fbdd > 0.0{_bf .Add_Td (_fbdd ,0);};_gdgd =_agc ;_bf .Add_Tj (*_cd .MakeString (_fcf ));if _fceb < len (_cgde )-1{_bf .Add_Td (0,-_ea *_aeg );};};_bf .Add_ET ();_bf .Add_Q ();_bf .Add_EMC ();
_eeb :=_bb .NewXObjectForm ();_eeb .Resources =_gcbc ;_eeb .BBox =_cd .MakeArrayFromFloats ([]float64 {0,0,_dfa ,_ec });_eeb .SetContentStream (_bf .Bytes (),_bed ());_bfd :=_cd .MakeDict ();_bfd .Set ("\u004e",_eeb .ToPdfObject ());return _bfd ,nil ;};
func _abgf (_ega []*SignatureLine ,_eee *SignatureFieldOpts )(*_cd .PdfObjectDictionary ,error ){if _eee ==nil {_eee =NewSignatureFieldOpts ();};var _ggfb error ;var _fegb *_cd .PdfObjectName ;_eac :=_eee .Font ;if _eac !=nil {_baag ,_ :=_eac .GetFontDescriptor ();
if _baag !=nil {if _afg ,_gdda :=_baag .FontName .(*_cd .PdfObjectName );_gdda {_fegb =_afg ;};};if _fegb ==nil {_fegb =_cd .MakeName ("\u0046\u006f\u006et\u0031");};}else {if _eac ,_ggfb =_bb .NewStandard14Font ("\u0048e\u006c\u0076\u0065\u0074\u0069\u0063a");
_ggfb !=nil {return nil ,_ggfb ;};_fegb =_cd .MakeName ("\u0048\u0065\u006c\u0076");};_fggcg :=_eee .FontSize ;if _fggcg <=0{_fggcg =10;};if _eee .LineHeight <=0{_eee .LineHeight =1;};_bdadb :=_eee .LineHeight *_fggcg ;_bbf ,_aadf :=_eac .GetRuneMetrics (' ');
if !_aadf {return nil ,_f .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");};_dgc :=_bbf .Wx ;var _ged float64 ;var _dfda []string ;
for _ ,_eggd :=range _ega {if _eggd .Text ==""{continue ;};_gbc :=_eggd .Text ;if _eggd .Desc !=""{_gbc =_eggd .Desc +"\u003a\u0020"+_gbc ;};_dfda =append (_dfda ,_gbc );var _ege float64 ;for _ ,_cebe :=range _gbc {_agad ,_fgbd :=_eac .GetRuneMetrics (_cebe );
if !_fgbd {continue ;};_ege +=_agad .Wx ;};if _ege > _ged {_ged =_ege ;};};_ged =_ged *_fggcg /1000.0;_bdgb :=float64 (len (_dfda ))*_bdadb ;_gcc :=_eee .Image !=nil ;_ddba :=_eee .Rect ;if _ddba ==nil {_ddba =[]float64 {0,0,_ged ,_bdgb };if _gcc {_ddba [2]=_ged *2;
_ddba [3]=_bdgb *2;};_eee .Rect =_ddba ;};_ddbg :=_ddba [2]-_ddba [0];_caag :=_ddba [3]-_ddba [1];_cdb ,_bbe :=_ddba ,_ddba ;var _dgd ,_cgaad float64 ;if _gcc &&len (_dfda )> 0{if _eee .ImagePosition <=SignatureImageRight {_dagc :=[]float64 {_ddba [0],_ddba [1],_ddba [0]+(_ddbg /2),_ddba [3]};
_dea :=[]float64 {_ddba [0]+(_ddbg /2),_ddba [1],_ddba [2],_ddba [3]};if _eee .ImagePosition ==SignatureImageLeft {_cdb ,_bbe =_dagc ,_dea ;}else {_cdb ,_bbe =_dea ,_dagc ;};}else {_fbe :=[]float64 {_ddba [0],_ddba [1],_ddba [2],_ddba [1]+(_caag /2)};_bbgf :=[]float64 {_ddba [0],_ddba [1]+(_caag /2),_ddba [2],_ddba [3]};
if _eee .ImagePosition ==SignatureImageTop {_cdb ,_bbe =_bbgf ,_fbe ;}else {_cdb ,_bbe =_fbe ,_bbgf ;};};};_dgd =_bbe [2]-_bbe [0];_cgaad =_bbe [3]-_bbe [1];var _baea float64 ;if _eee .AutoSize {if _ged > _dgd ||_bdgb > _cgaad {_fgcf :=_dg .Min (_dgd /_ged ,_cgaad /_bdgb );
_fggcg *=_fgcf ;};_bdadb =_eee .LineHeight *_fggcg ;_baea +=(_cgaad -float64 (len (_dfda ))*_bdadb )/2;};_ggcc :=_bg .NewContentCreator ();_fdda :=_bb .NewPdfPageResources ();_fdda .SetFontByName (*_fegb ,_eac .ToPdfObject ());if _eee .BorderSize <=0{_eee .BorderSize =0;
_eee .BorderColor =_bb .NewPdfColorDeviceGray (1);};_ggcc .Add_q ();if _eee .FillColor !=nil {_ggcc .SetNonStrokingColor (_eee .FillColor );};if _eee .BorderColor !=nil {_ggcc .SetStrokingColor (_eee .BorderColor );};_ggcc .Add_w (_eee .BorderSize ).Add_re (_ddba [0],_ddba [1],_ddbg ,_caag );
if _eee .FillColor !=nil &&_eee .BorderColor !=nil {_ggcc .Add_B ();}else if _eee .FillColor !=nil {_ggcc .Add_f ();}else if _eee .BorderColor !=nil {_ggcc .Add_S ();};_ggcc .Add_Q ();if _eee .WatermarkImage !=nil {_bfdd :=[]float64 {_ddba [0],_ddba [1],_ddba [2],_ddba [3]};
_bbeg ,_gffg ,_cec :=_eed (_eee .WatermarkImage ,"\u0049\u006d\u0061\u0067\u0065\u0057\u0061\u0074\u0065r\u006d\u0061\u0072\u006b",_eee ,_bfdd ,_ggcc );if _cec !=nil {return nil ,_cec ;};_fdda .SetXObjectImageByName (*_bbeg ,_gffg );};_ggcc .Add_q ();_ggcc .Translate (_bbe [0],_bbe [3]-_bdadb -_baea );
_ggcc .Add_BT ();_adaa :=_eac .Encoder ();for _ ,_egac :=range _dfda {var _dcee []byte ;for _ ,_efg :=range _egac {if _ad .IsSpace (_efg ){if len (_dcee )> 0{_ggcc .SetNonStrokingColor (_eee .TextColor ).Add_Tf (*_fegb ,_fggcg ).Add_TL (_bdadb ).Add_TJ ([]_cd .PdfObject {_cd .MakeStringFromBytes (_dcee )}...);
_dcee =nil ;};_ggcc .Add_Tf (*_fegb ,_fggcg ).Add_TL (_bdadb ).Add_TJ ([]_cd .PdfObject {_cd .MakeFloat (-_dgc )}...);}else {_dcee =append (_dcee ,_adaa .Encode (string (_efg ))...);};};if len (_dcee )> 0{_ggcc .SetNonStrokingColor (_eee .TextColor ).Add_Tf (*_fegb ,_fggcg ).Add_TL (_bdadb ).Add_TJ ([]_cd .PdfObject {_cd .MakeStringFromBytes (_dcee )}...);
};_ggcc .Add_Td (0,-_bdadb );};_ggcc .Add_ET ();_ggcc .Add_Q ();if _gcc {_cagdc ,_ebbf ,_gefe :=_eed (_eee .Image ,"\u0049\u006d\u0061\u0067\u0065\u0053\u0069\u0067\u006ea\u0074\u0075\u0072\u0065",_eee ,_cdb ,_ggcc );if _gefe !=nil {return nil ,_gefe ;
};_fdda .SetXObjectImageByName (*_cagdc ,_ebbf );};_deb :=_bb .NewXObjectForm ();_deb .Resources =_fdda ;_deb .BBox =_cd .MakeArrayFromFloats (_ddba );_deb .SetContentStream (_ggcc .Bytes (),_bed ());_geeb :=_cd .MakeDict ();_geeb .Set ("\u004e",_deb .ToPdfObject ());
return _geeb ,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 (_gccb ImageFieldAppearance )WrapContentStream (page *_bb .PdfPage )error {_cab ,_bgeb :=page .GetAllContentStreams ();if _bgeb !=nil {return _bgeb ;};_abb :=_bg .NewContentStreamParser (_cab );_cgc ,_bgeb :=_abb .Parse ();if _bgeb !=nil {return _bgeb ;
};_cgc .WrapIfNeeded ();_gccbf :=[]string {_cgc .String ()};return page .SetContentStreams (_gccbf ,_bed ());};

// 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 (_fggd FieldAppearance )WrapContentStream (page *_bb .PdfPage )error {_caeb ,_gdcf :=page .GetAllContentStreams ();if _gdcf !=nil {return _gdcf ;};_eeg :=_bg .NewContentStreamParser (_caeb );_ebec ,_gdcf :=_eeg .Parse ();if _gdcf !=nil {return _gdcf ;
};_ebec .WrapIfNeeded ();_dbg :=[]string {_ebec .String ()};return page .SetContentStreams (_dbg ,_bed ());};

// 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 *_bb .PdfPage ,name string ,rect []float64 ,opt TextFieldOptions )(*_bb .PdfFieldText ,error ){if page ==nil {return nil ,_f .New ("\u0070a\u0067e\u0020\u006e\u006f\u0074\u0020s\u0070\u0065c\u0069\u0066\u0069\u0065\u0064");};if len (name )<=0{return nil ,_f .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 ,_f .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u0061\u006e\u0067\u0065");};_edca :=_bb .NewPdfField ();_acgb :=&_bb .PdfFieldText {};_edca .SetContext (_acgb );_acgb .PdfField =_edca ;_acgb .T =_cd .MakeString (name );
if opt .MaxLen > 0{_acgb .MaxLen =_cd .MakeInteger (int64 (opt .MaxLen ));};if len (opt .Value )> 0{_acgb .V =_cd .MakeString (opt .Value );};_fgeg :=_bb .NewPdfAnnotationWidget ();_fgeg .Rect =_cd .MakeArrayFromFloats (rect );_fgeg .P =page .ToPdfObject ();
_fgeg .F =_cd .MakeInteger (4);_fgeg .Parent =_acgb .ToPdfObject ();_acgb .Annotations =append (_acgb .Annotations ,_fgeg );return _acgb ,nil ;};

// 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 _bb .PdfColor ;FillColor _bb .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 ;};

// 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 *_bb .PdfPage ,name string ,rect []float64 ,opt ComboboxFieldOptions )(*_bb .PdfFieldChoice ,error ){if page ==nil {return nil ,_f .New ("\u0070a\u0067e\u0020\u006e\u006f\u0074\u0020s\u0070\u0065c\u0069\u0066\u0069\u0065\u0064");
};if len (name )<=0{return nil ,_f .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 ,_f .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u0061\u006e\u0067\u0065");
};_dab :=_bb .NewPdfField ();_dfb :=&_bb .PdfFieldChoice {};_dab .SetContext (_dfb );_dfb .PdfField =_dab ;_dfb .T =_cd .MakeString (name );_dfb .Opt =_cd .MakeArray ();for _ ,_agab :=range opt .Choices {_dfb .Opt .Append (_cd .MakeString (_agab ));};_dfb .SetFlag (_bb .FieldFlagCombo );
_aafe :=_bb .NewPdfAnnotationWidget ();_aafe .Rect =_cd .MakeArrayFromFloats (rect );_aafe .P =page .ToPdfObject ();_aafe .F =_cd .MakeInteger (4);_aafe .Parent =_dfb .ToPdfObject ();_dfb .Annotations =append (_dfb .Annotations ,_aafe );return _dfb ,nil ;
};

// FormSubmitActionOptions holds options for creating a form submit button.
type FormSubmitActionOptions struct{

// Rectangle holds the button position, size, and color.
Rectangle _fb .Rectangle ;

// Url specifies the URL where the fieds will be submitted.
Url string ;

// Label specifies the text that would be displayed on the button.
Label string ;

// LabelColor specifies the button label color.
LabelColor _bb .PdfColor ;

// Font specifies a font used for rendering the button label.
// When omitted it will fallback to use a Helvetica font.
Font *_bb .PdfFont ;

// FontSize specifies the font size used in rendering the button label.
// The default font size is 12pt.
FontSize *float64 ;

// Fields specifies list of fields that could be submitted.
// This list may contain indirect object to fields or field names.
Fields *_cd .PdfObjectArray ;

// IsExclusionList specifies that the fields contain in `Fields` array would not be submitted.
IsExclusionList bool ;

// IncludeEmptyFields specifies if all fields would be submitted even though it's value is empty.
IncludeEmptyFields bool ;

// SubmitAsPDF specifies that the document shall be submitted as PDF.
// If set then all the other flags shall be ignored.
SubmitAsPDF bool ;};func _dbf (_ebcb *_bb .PdfField )string {if _ebcb ==nil {return "";};_dce ,_bdb :=_ebcb .GetContext ().(*_bb .PdfFieldText );if !_bdb {return _dbf (_ebcb .Parent );};if _dce .DA !=nil {return _dce .DA .Str ();};return _dbf (_dce .Parent );
};func (_gfc *AppearanceFont )fillName (){if _gfc .Font ==nil ||_gfc .Name !=""{return ;};_ce :=_gfc .Font .FontDescriptor ();if _ce ==nil ||_ce .FontName ==nil {return ;};_gfc .Name =_ce .FontName .String ();};

// NewFormSubmitButtonField would create a submit button in specified page according to the parameter in `FormSubmitActionOptions`.
func NewFormSubmitButtonField (page *_bb .PdfPage ,opt FormSubmitActionOptions )(*_bb .PdfFieldButton ,error ){_baeg :=int64 (_gbfc );if opt .IsExclusionList {_baeg |=_fag ;};if opt .IncludeEmptyFields {_baeg |=_gad ;};if opt .SubmitAsPDF {_baeg |=_gdbd ;
};_gedgd :=_bb .NewPdfActionSubmitForm ();_gedgd .Flags =_cd .MakeInteger (_baeg );_gedgd .F =_bb .NewPdfFilespec ();if opt .Fields !=nil {_gedgd .Fields =opt .Fields ;};_gedgd .F .F =_cd .MakeString (opt .Url );_gedgd .F .FS =_cd .MakeName ("\u0055\u0052\u004c");
_fgda ,_dffd :=_ecc (page ,opt .Rectangle ,"\u0062t\u006e\u0053\u0075\u0062\u006d\u0069t",opt .Label ,opt .LabelColor ,opt .Font ,opt .FontSize ,_gedgd .ToPdfObject ());if _dffd !=nil {return nil ,_dffd ;};return _fgda ,nil ;};func _cefbf (_gceb LineAnnotationDef ,_ecea string )([]byte ,*_bb .PdfRectangle ,*_bb .PdfRectangle ,error ){_gaca :=_fb .Line {X1 :0,Y1 :0,X2 :_gceb .X2 -_gceb .X1 ,Y2 :_gceb .Y2 -_gceb .Y1 ,LineColor :_gceb .LineColor ,Opacity :_gceb .Opacity ,LineWidth :_gceb .LineWidth ,LineEndingStyle1 :_gceb .LineEndingStyle1 ,LineEndingStyle2 :_gceb .LineEndingStyle2 };
_ebed ,_dcf ,_gccbg :=_gaca .Draw (_ecea );if _gccbg !=nil {return nil ,nil ,nil ,_gccbg ;};_fgdg :=&_bb .PdfRectangle {};_fgdg .Llx =_gceb .X1 +_dcf .Llx ;_fgdg .Lly =_gceb .Y1 +_dcf .Lly ;_fgdg .Urx =_gceb .X1 +_dcf .Urx ;_fgdg .Ury =_gceb .Y1 +_dcf .Ury ;
return _ebed ,_dcf ,_fgdg ,nil ;};

// InkAnnotationDef holds base information for constructing an ink annotation.
type InkAnnotationDef struct{

// Paths is the array of stroked paths which compose the annotation.
Paths []_fb .Path ;

// Color is the color of the line. Default to black.
Color *_bb .PdfColorDeviceRGB ;

// LineWidth is the width of the line.
LineWidth float64 ;};func (_bdfb *AppearanceStyle )processDA (_cbb *_bb .PdfField ,_feg *_bg .ContentStreamOperations ,_cefb ,_aead *_bb .PdfPageResources ,_eea *_bg .ContentCreator )(*AppearanceFont ,bool ,error ){var _ebea *AppearanceFont ;var _dbad bool ;
if _bdfb .Fonts !=nil {if _bdfb .Fonts .Fallback !=nil {_ebea =_bdfb .Fonts .Fallback ;};if _cdab :=_bdfb .Fonts .FieldFallbacks ;_cdab !=nil {if _gcga ,_cad :=_cdab [_cbb .PartialName ()];_cad {_ebea =_gcga ;}else if _fgb ,_gfce :=_cbb .FullName ();_gfce ==nil {if _cgag ,_ceb :=_cdab [_fgb ];
_ceb {_ebea =_cgag ;};};};if _ebea !=nil {_ebea .fillName ();};_dbad =_bdfb .Fonts .ForceReplace ;};var _dfab string ;var _ada float64 ;var _fffd bool ;if _feg !=nil {for _ ,_afc :=range *_feg {if _afc .Operand =="\u0054\u0066"&&len (_afc .Params )==2{if _adda ,_edbb :=_cd .GetNameVal (_afc .Params [0]);
_edbb {_dfab =_adda ;};if _aab ,_ffbcc :=_cd .GetNumberAsFloat (_afc .Params [1]);_ffbcc ==nil {_ada =_aab ;};_fffd =true ;continue ;};_eea .AddOperand (*_afc );};};var _dfdf *AppearanceFont ;var _fggb _cd .PdfObject ;if _dbad &&_ebea !=nil {_dfdf =_ebea ;
}else {if _cefb !=nil &&_dfab !=""{if _febd ,_cefbb :=_cefb .GetFontByName (*_cd .MakeName (_dfab ));_cefbb {if _fgfg ,_gfe :=_bb .NewPdfFontFromPdfObject (_febd );_gfe ==nil {_fggb =_febd ;_dfdf =&AppearanceFont {Name :_dfab ,Font :_fgfg ,Size :_ada };
}else {_d .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",_gfe );
};};};if _dfdf ==nil &&_ebea !=nil {_dfdf =_ebea ;};if _dfdf ==nil {_agda ,_bcec :=_bb .NewStandard14Font ("\u0048e\u006c\u0076\u0065\u0074\u0069\u0063a");if _bcec !=nil {return nil ,false ,_bcec ;};_dfdf =&AppearanceFont {Name :"\u0048\u0065\u006c\u0076",Font :_agda ,Size :_ada };
};};if _dfdf .Size <=0&&_bdfb .Fonts !=nil &&_bdfb .Fonts .FallbackSize > 0{_dfdf .Size =_bdfb .Fonts .FallbackSize ;};_fcad :=*_cd .MakeName (_dfdf .Name );if _fggb ==nil {_fggb =_dfdf .Font .ToPdfObject ();};if _cefb !=nil &&!_cefb .HasFontByName (_fcad ){_cefb .SetFontByName (_fcad ,_fggb );
};if _aead !=nil &&!_aead .HasFontByName (_fcad ){_aead .SetFontByName (_fcad ,_fggb );};return _dfdf ,_fffd ,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 *_bb .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 ;};func _gbaf (_fcc *_bb .PdfAnnotationWidget ,_egbb *_bb .PdfFieldButton ,_aecc *_bb .PdfPageResources ,_bdgd AppearanceStyle )(*_cd .PdfObjectDictionary ,error ){_cgb ,_egge :=_cd .GetArray (_fcc .Rect );if !_egge {return nil ,_f .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");
};_feb ,_eda :=_bb .NewPdfRectangle (*_cgb );if _eda !=nil {return nil ,_eda ;};_ccf ,_dfg :=_feb .Width (),_feb .Height ();_aea ,_ddf :=_ccf ,_dfg ;_d .Log .Debug ("\u0043\u0068\u0065\u0063kb\u006f\u0078\u002c\u0020\u0077\u0061\u0020\u0042\u0053\u003a\u0020\u0025\u0076",_fcc .BS );
_cbgf ,_eda :=_bb .NewStandard14Font ("\u005a\u0061\u0070f\u0044\u0069\u006e\u0067\u0062\u0061\u0074\u0073");if _eda !=nil {return nil ,_eda ;};_adf ,_caca :=_cd .GetDict (_fcc .MK );if _caca {_acd ,_ :=_cd .GetDict (_fcc .BS );_edb :=_bdgd .applyAppearanceCharacteristics (_adf ,_acd ,_cbgf );
if _edb !=nil {return nil ,_edb ;};};_ebc :=_bb .NewXObjectForm ();{_degg :=_bg .NewContentCreator ();if _bdgd .BorderSize > 0{_ddc (_degg ,_bdgd ,_ccf ,_dfg );};if _bdgd .DrawAlignmentReticle {_ecfb :=_bdgd ;_ecfb .BorderSize =0.2;_deggd (_degg ,_ecfb ,_ccf ,_dfg );
};_ccf ,_dfg =_bdgd .applyRotation (_adf ,_ccf ,_dfg ,_degg );_fgg :=_bdgd .AutoFontSizeFraction *_dfg ;_ggd ,_fdb :=_cbgf .GetRuneMetrics (_bdgd .CheckmarkRune );if !_fdb {return nil ,_f .New ("\u0067l\u0079p\u0068\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};_bff :=_cbgf .Encoder ();_aega :=_bff .Encode (string (_bdgd .CheckmarkRune ));_caac :=_ggd .Wx *_fgg /1000.0;_gbde :=705.0;_ecbg :=_gbde /1000.0*_fgg ;_add :=_dgg ;if _bdgd .MarginLeft !=nil {_add =*_bdgd .MarginLeft ;};_gefa :=1.0;if _caac < _ccf {_add =(_ccf -_caac )/2.0;
};if _ecbg < _dfg {_gefa =(_dfg -_ecbg )/2.0;};_degg .Add_q ().Add_g (0).Add_BT ().Add_Tf ("\u005a\u0061\u0044\u0062",_fgg ).Add_Td (_add ,_gefa ).Add_Tj (*_cd .MakeStringFromBytes (_aega )).Add_ET ().Add_Q ();_ebc .Resources =_bb .NewPdfPageResources ();
_ebc .Resources .SetFontByName ("\u005a\u0061\u0044\u0062",_cbgf .ToPdfObject ());_ebc .BBox =_cd .MakeArrayFromFloats ([]float64 {0,0,_aea ,_ddf });_ebc .SetContentStream (_degg .Bytes (),_bed ());};_bce :=_bb .NewXObjectForm ();{_ebb :=_bg .NewContentCreator ();
if _bdgd .BorderSize > 0{_ddc (_ebb ,_bdgd ,_ccf ,_dfg );};_bce .BBox =_cd .MakeArrayFromFloats ([]float64 {0,0,_aea ,_ddf });_bce .SetContentStream (_ebb .Bytes (),_bed ());};_cde :=_cd .PdfObjectName ("\u0059\u0065\u0073");_bbb ,_caca :=_cd .GetDict (_fcc .PdfAnnotation .AP );
if _caca &&_bbb !=nil {_fca :=_cd .TraceToDirectObject (_bbb .Get ("\u004e"));switch _cbag :=_fca .(type ){case *_cd .PdfObjectDictionary :_caab :=_cbag .Keys ();for _ ,_dfae :=range _caab {if _dfae !="\u004f\u0066\u0066"{_cde =_dfae ;};};};};_ddfa :=_cd .MakeDict ();
_ddfa .Set ("\u004f\u0066\u0066",_bce .ToPdfObject ());_ddfa .Set (_cde ,_ebc .ToPdfObject ());_aegf :=_cd .MakeDict ();_aegf .Set ("\u004e",_ddfa );return _aegf ,nil ;};

// 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 };};func _cede (_abbc *InkAnnotationDef )(*_cd .PdfObjectDictionary ,*_bb .PdfRectangle ,error ){_fee :=_bb .NewXObjectForm ();_gggc ,_dcdg ,_gdbdf :=_cdbd (_abbc );
if _gdbdf !=nil {return nil ,nil ,_gdbdf ;};_gdbdf =_fee .SetContentStream (_gggc ,nil );if _gdbdf !=nil {return nil ,nil ,_gdbdf ;};_fee .BBox =_dcdg .ToPdfObject ();_fee .Resources =_bb .NewPdfPageResources ();_fee .Resources .ProcSet =_cd .MakeArray (_cd .MakeName ("\u0050\u0044\u0046"));
_fgbe :=_cd .MakeDict ();_fgbe .Set ("\u004e",_fee .ToPdfObject ());return _fgbe ,_dcdg ,nil ;};func _gde (_abf RectangleAnnotationDef )(*_cd .PdfObjectDictionary ,*_bb .PdfRectangle ,error ){_ecfga :=_bb .NewXObjectForm ();_ecfga .Resources =_bb .NewPdfPageResources ();
_fdde :="";if _abf .Opacity < 1.0{_daag :=_cd .MakeDict ();_daag .Set ("\u0063\u0061",_cd .MakeFloat (_abf .Opacity ));_daag .Set ("\u0043\u0041",_cd .MakeFloat (_abf .Opacity ));_eagd :=_ecfga .Resources .AddExtGState ("\u0067\u0073\u0031",_daag );if _eagd !=nil {_d .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 ,_eagd ;};_fdde ="\u0067\u0073\u0031";};_beab ,_efgg ,_ceeb ,_edcd :=_dfbg (_abf ,_fdde );if _edcd !=nil {return nil ,nil ,_edcd ;};_edcd =_ecfga .SetContentStream (_beab ,nil );if _edcd !=nil {return nil ,nil ,_edcd ;};_ecfga .BBox =_efgg .ToPdfObject ();
_dbgb :=_cd .MakeDict ();_dbgb .Set ("\u004e",_ecfga .ToPdfObject ());return _dbgb ,_ceeb ,nil ;};func _eaff (_gdaf *_bb .PdfField ,_ace ,_fbde float64 ,_gdba string ,_ccc AppearanceStyle ,_bdad *_bg .ContentStreamOperations ,_fgc *_bb .PdfPageResources ,_dgf *_cd .PdfObjectDictionary )(*_bb .XObjectForm ,error ){_edg :=_bb .NewPdfPageResources ();
_fedg ,_aad :=_ace ,_fbde ;_cdcg :=_bg .NewContentCreator ();if _ccc .BorderSize > 0{_ddc (_cdcg ,_ccc ,_ace ,_fbde );};if _ccc .DrawAlignmentReticle {_bdc :=_ccc ;_bdc .BorderSize =0.2;_deggd (_cdcg ,_bdc ,_ace ,_fbde );};_cdcg .Add_BMC ("\u0054\u0078");
_cdcg .Add_q ();_cdcg .Add_BT ();_ace ,_fbde =_ccc .applyRotation (_dgf ,_ace ,_fbde ,_cdcg );_cacc ,_gcdg ,_fgcb :=_ccc .processDA (_gdaf ,_bdad ,_fgc ,_edg ,_cdcg );if _fgcb !=nil {return nil ,_fgcb ;};_fffa :=_cacc .Font ;_bcc :=_cacc .Size ;_edd :=_cd .MakeName (_cacc .Name );
_bcee :=_bcc ==0;if _bcee &&_gcdg {_bcc =_fbde *_ccc .AutoFontSizeFraction ;};_ggcb :=_fffa .Encoder ();if _ggcb ==nil {_d .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");
_ggcb =_a .NewIdentityTextEncoder ("\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079\u002d\u0048");};if len (_gdba )==0{return nil ,nil ;};_cefe :=_dgg ;if _ccc .MarginLeft !=nil {_cefe =*_ccc .MarginLeft ;};_dbca :=0.0;if _ggcb !=nil {for _ ,_bdd :=range _gdba {_gcg ,_dff :=_fffa .GetRuneMetrics (_bdd );
if !_dff {_d .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",_bdd );
continue ;};_dbca +=_gcg .Wx ;};_gdba =string (_ggcb .Encode (_gdba ));};if _bcc ==0||_bcee &&_dbca > 0&&_cefe +_dbca *_bcc /1000.0> _ace {_bcc =0.95*1000.0*(_ace -_cefe )/_dbca ;};_bdde :=1.0*_bcc ;_eggg :=2.0;{_gcbd :=_bdde ;if _bcee &&_eggg +_gcbd > _fbde {_bcc =0.95*(_fbde -_eggg );
_bdde =1.0*_bcc ;_gcbd =_bdde ;};if _fbde > _gcbd {_eggg =(_fbde -_gcbd )/2.0;_eggg +=1.50;};};_cdcg .Add_Tf (*_edd ,_bcc );_cdcg .Add_Td (_cefe ,_eggg );_cdcg .Add_Tj (*_cd .MakeString (_gdba ));_cdcg .Add_ET ();_cdcg .Add_Q ();_cdcg .Add_EMC ();_adfa :=_bb .NewXObjectForm ();
_adfa .Resources =_edg ;_adfa .BBox =_cd .MakeArrayFromFloats ([]float64 {0,0,_fedg ,_aad });_adfa .SetContentStream (_cdcg .Bytes (),_bed ());return _adfa ,nil ;};

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

// 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 _fggc (_febb *_bb .PdfAcroForm ,_gee *_bb .PdfAnnotationWidget ,_daab *_bb .PdfFieldChoice ,_cfe AppearanceStyle )(*_cd .PdfObjectDictionary ,error ){_acc ,_ggg :=_cd .GetArray (_gee .Rect );if !_ggg {return nil ,_f .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");
};_cgg ,_fcaf :=_bb .NewPdfRectangle (*_acc );if _fcaf !=nil {return nil ,_fcaf ;};_ebe ,_fcd :=_cgg .Width (),_cgg .Height ();_d .Log .Debug ("\u0043\u0068\u006f\u0069\u0063\u0065\u002c\u0020\u0077\u0061\u0020\u0042S\u003a\u0020\u0025\u0076",_gee .BS );
_cdcd ,_fcaf :=_bg .NewContentStreamParser (_dbf (_daab .PdfField )).Parse ();if _fcaf !=nil {return nil ,_fcaf ;};_cfee ,_edaa :=_cd .GetDict (_gee .MK );if _edaa {_faa ,_ :=_cd .GetDict (_gee .BS );_baaa :=_cfe .applyAppearanceCharacteristics (_cfee ,_faa ,nil );
if _baaa !=nil {return nil ,_baaa ;};};_cagd :=_cd .MakeDict ();for _ ,_bbge :=range _daab .Opt .Elements (){if _cage ,_fafd :=_cd .GetArray (_bbge );_fafd &&_cage .Len ()==2{_bbge =_cage .Get (1);};var _dcg string ;if _gbg ,_daca :=_cd .GetString (_bbge );
_daca {_dcg =_gbg .Decoded ();}else if _fgeb ,_efcc :=_cd .GetName (_bbge );_efcc {_dcg =_fgeb .String ();}else {_d .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",_bbge );
return nil ,_f .New ("\u006e\u006f\u0074\u0020\u0061\u0020\u006e\u0061\u006d\u0065\u002f\u0073t\u0072\u0069\u006e\u0067");};if len (_dcg )> 0{_bbae ,_dfe :=_eaff (_daab .PdfField ,_ebe ,_fcd ,_dcg ,_cfe ,_cdcd ,_febb .DR ,_cfee );if _dfe !=nil {return nil ,_dfe ;
};_cagd .Set (*_cd .MakeName (_dcg ),_bbae .ToPdfObject ());};};_gcaf :=_cd .MakeDict ();_gcaf .Set ("\u004e",_cagd );return _gcaf ,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 _gacdc (_ced ,_cdg float64 ,_cdcf *_bb .Image ,_eaeae AppearanceStyle )(*_bb .XObjectForm ,error ){_aeab ,_fgcbd :=_bb .NewXObjectImageFromImage (_cdcf ,nil ,_cd .NewFlateEncoder ());if _fgcbd !=nil {return nil ,_fgcbd ;};_aeab .Decode =_cd .MakeArrayFromFloats ([]float64 {0.0,1.0,0.0,1.0,0.0,1.0});
_bfa :=_bb .NewPdfPageResources ();_bfa .ProcSet =_cd .MakeArray (_cd .MakeName ("\u0050\u0044\u0046"),_cd .MakeName ("\u0049\u006d\u0061\u0067\u0065\u0043"));_bfa .SetXObjectImageByName (_cd .PdfObjectName ("\u0049\u006d\u0030"),_aeab );_gefc :=_bg .NewContentCreator ();
_gefc .Add_q ();_gefc .Add_cm (float64 (_cdcf .Width ),0,0,float64 (_cdcf .Height ),0,0);_gefc .Add_Do ("\u0049\u006d\u0030");_gefc .Add_Q ();_gcbg :=_bb .NewXObjectForm ();_gcbg .FormType =_cd .MakeInteger (1);_gcbg .BBox =_cd .MakeArrayFromFloats ([]float64 {0,0,float64 (_cdcf .Width ),float64 (_cdcf .Height )});
_gcbg .Resources =_bfa ;_gcbg .SetContentStream (_gefc .Bytes (),_bed ());return _gcbg ,nil ;};func _bed ()_cd .StreamEncoder {return _cd .NewFlateEncoder ()};func _ddc (_dcgb *_bg .ContentCreator ,_cffd AppearanceStyle ,_dad ,_cfg float64 ){_dcgb .Add_q ().Add_re (0,0,_dad ,_cfg ).Add_w (_cffd .BorderSize ).SetStrokingColor (_cffd .BorderColor ).SetNonStrokingColor (_cffd .FillColor ).Add_B ().Add_Q ();
};const (_gb quadding =0;_cc quadding =1;_cb quadding =2;_dgg float64 =2.0;);func _ffb (_ffff CircleAnnotationDef ,_gdc string )([]byte ,*_bb .PdfRectangle ,*_bb .PdfRectangle ,error ){_bc :=_fb .Circle {X :_ffff .X ,Y :_ffff .Y ,Width :_ffff .Width ,Height :_ffff .Height ,FillEnabled :_ffff .FillEnabled ,FillColor :_ffff .FillColor ,BorderEnabled :_ffff .BorderEnabled ,BorderWidth :_ffff .BorderWidth ,BorderColor :_ffff .BorderColor ,Opacity :_ffff .Opacity };
_aa ,_be ,_aggd :=_bc .Draw (_gdc );if _aggd !=nil {return nil ,nil ,nil ,_aggd ;};_dd :=&_bb .PdfRectangle {};_dd .Llx =_ffff .X +_be .Llx ;_dd .Lly =_ffff .Y +_be .Lly ;_dd .Urx =_ffff .X +_be .Urx ;_dd .Ury =_ffff .Y +_be .Ury ;return _aa ,_be ,_dd ,nil ;
};

// GenerateAppearanceDict generates an appearance dictionary for widget annotation `wa` for the `field` in `form`.
// Implements interface model.FieldAppearanceGenerator.
func (_edf ImageFieldAppearance )GenerateAppearanceDict (form *_bb .PdfAcroForm ,field *_bb .PdfField ,wa *_bb .PdfAnnotationWidget )(*_cd .PdfObjectDictionary ,error ){_ ,_cee :=field .GetContext ().(*_bb .PdfFieldButton );if !_cee {_d .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 ;};_fcfc ,_befe :=_cd .GetDict (wa .AP );if _befe &&_edf .OnlyIfMissing {_d .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 _fcfc ,nil ;};if form .DR ==nil {form .DR =_bb .NewPdfPageResources ();};switch _cgf :=field .GetContext ().(type ){case *_bb .PdfFieldButton :if _cgf .IsPush (){_cce ,_cfed :=_fgge (_cgf ,wa ,_edf .Style ());if _cfed !=nil {return nil ,_cfed ;};
return _cce ,nil ;};};return nil ,nil ;};

// 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 *_bb .PdfColorDeviceRGB ;BorderEnabled bool ;BorderWidth float64 ;BorderColor *_bb .PdfColorDeviceRGB ;Opacity float64 ;};

// Style returns the appearance style of `fa`. If not specified, returns default style.
func (_bbd FieldAppearance )Style ()AppearanceStyle {if _bbd ._ca !=nil {return *_bbd ._ca ;};_dga :=_dgg ;return AppearanceStyle {AutoFontSizeFraction :0.65,CheckmarkRune :'✔',BorderSize :0.0,BorderColor :_bb .NewPdfColorDeviceGray (0),FillColor :_bb .NewPdfColorDeviceGray (1),MultilineLineHeight :1.2,MultilineVAlignMiddle :false ,DrawAlignmentReticle :false ,AllowMK :true ,MarginLeft :&_dga };
};func (_ead *AppearanceStyle )applyAppearanceCharacteristics (_egbd *_cd .PdfObjectDictionary ,_fdd *_cd .PdfObjectDictionary ,_egdbg *_bb .PdfFont )error {if !_ead .AllowMK {return nil ;};if CA ,_bbgcb :=_cd .GetString (_egbd .Get ("\u0043\u0041"));_bbgcb &&_egdbg !=nil {_aaca :=CA .Bytes ();
if len (_aaca )!=0{_bbbe :=[]rune (_egdbg .Encoder ().Decode (_aaca ));if len (_bbbe )==1{_ead .CheckmarkRune =_bbbe [0];};};};if BC ,_egdec :=_cd .GetArray (_egbd .Get ("\u0042\u0043"));_egdec {_fdbf ,_edc :=BC .ToFloat64Array ();if _edc !=nil {return _edc ;
};switch len (_fdbf ){case 1:_ead .BorderColor =_bb .NewPdfColorDeviceGray (_fdbf [0]);case 3:_ead .BorderColor =_bb .NewPdfColorDeviceRGB (_fdbf [0],_fdbf [1],_fdbf [2]);case 4:_ead .BorderColor =_bb .NewPdfColorDeviceCMYK (_fdbf [0],_fdbf [1],_fdbf [2],_fdbf [3]);
default:_d .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 (_fdbf ));
};if _fdd !=nil {if _eefe ,_edba :=_cd .GetNumberAsFloat (_fdd .Get ("\u0057"));_edba ==nil {_ead .BorderSize =_eefe ;};};};if BG ,_gcdgf :=_cd .GetArray (_egbd .Get ("\u0042\u0047"));_gcdgf {_cefg ,_ade :=BG .ToFloat64Array ();if _ade !=nil {return _ade ;
};switch len (_cefg ){case 1:_ead .FillColor =_bb .NewPdfColorDeviceGray (_cefg [0]);case 3:_ead .FillColor =_bb .NewPdfColorDeviceRGB (_cefg [0],_cefg [1],_cefg [2]);case 4:_ead .FillColor =_bb .NewPdfColorDeviceCMYK (_cefg [0],_cefg [1],_cefg [2],_cefg [3]);
default:_d .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 (_cefg ));
};};return nil ;};

// Style returns the appearance style of `fa`. If not specified, returns default style.
func (_abc ImageFieldAppearance )Style ()AppearanceStyle {if _abc ._aade !=nil {return *_abc ._aade ;};return AppearanceStyle {BorderSize :0.0,BorderColor :_bb .NewPdfColorDeviceGray (0),FillColor :_bb .NewPdfColorDeviceGray (1),DrawAlignmentReticle :false };
};

// SetStyle applies appearance `style` to `fa`.
func (_cbd *FieldAppearance )SetStyle (style AppearanceStyle ){_cbd ._ca =&style };func _cdbd (_fga *InkAnnotationDef )([]byte ,*_bb .PdfRectangle ,error ){_egdeb :=[][]_fb .CubicBezierCurve {};for _ ,_aaea :=range _fga .Paths {if _aaea .Length ()==0{continue ;
};_febc :=_aaea .Points ;_gcce ,_fcga ,_fbg :=_bgca (_febc );if _fbg !=nil {return nil ,nil ,_fbg ;};if len (_gcce )!=len (_fcga ){return nil ,nil ,_f .New ("\u0049\u006e\u0065\u0071\u0075\u0061\u006c\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u006f\u0066\u0020\u0063\u0061l\u0063\u0075\u006c\u0061\u0074\u0065\u0064\u0020\u0066\u0069\u0072\u0073\u0074\u0020\u0061\u006e\u0064\u0020\u0073\u0065\u0063\u006f\u006e\u0064\u0020\u0063\u006f\u006e\u0074\u0072o\u006c\u0020\u0070\u006f\u0069n\u0074");
};_afff :=[]_fb .CubicBezierCurve {};for _eaccf :=0;_eaccf < len (_gcce );_eaccf ++{_afff =append (_afff ,_fb .CubicBezierCurve {P0 :_febc [_eaccf ],P1 :_gcce [_eaccf ],P2 :_fcga [_eaccf ],P3 :_febc [_eaccf +1]});};if len (_afff )> 0{_egdeb =append (_egdeb ,_afff );
};};_bace ,_cffc ,_cbe :=_dccg (_egdeb ,_fga .Color ,_fga .LineWidth );if _cbe !=nil {return nil ,nil ,_cbe ;};return _bace ,_cffc ,nil ;};

// CreateInkAnnotation creates an ink annotation object that can be added to the annotation list of a PDF page.
func CreateInkAnnotation (inkDef InkAnnotationDef )(*_bb .PdfAnnotation ,error ){_cdgg :=_bb .NewPdfAnnotationInk ();_fffb :=_cd .MakeArray ();for _ ,_gfee :=range inkDef .Paths {if _gfee .Length ()==0{continue ;};_dceef :=[]float64 {};for _ ,_aaab :=range _gfee .Points {_dceef =append (_dceef ,_aaab .X ,_aaab .Y );
};_fffb .Append (_cd .MakeArrayFromFloats (_dceef ));};_cdgg .InkList =_fffb ;if inkDef .Color ==nil {inkDef .Color =_bb .NewPdfColorDeviceRGB (0.0,0.0,0.0);};_cdgg .C =_cd .MakeArrayFromFloats ([]float64 {inkDef .Color .R (),inkDef .Color .G (),inkDef .Color .B ()});
_eeed ,_ggfc ,_cdcda :=_cede (&inkDef );if _cdcda !=nil {return nil ,_cdcda ;};_cdgg .AP =_eeed ;_cdgg .Rect =_cd .MakeArrayFromFloats ([]float64 {_ggfc .Llx ,_ggfc .Lly ,_ggfc .Urx ,_ggfc .Ury });return _cdgg .PdfAnnotation ,nil ;};func _cbab (_geaa []float64 )[]float64 {var (_bdbea =len (_geaa );
_gcbgb =make ([]float64 ,_bdbea );_cbbb =make ([]float64 ,_bdbea ););_deeaf :=2.0;_gcbgb [0]=_geaa [0]/_deeaf ;for _ddd :=1;_ddd < _bdbea ;_ddd ++{_cbbb [_ddd ]=1/_deeaf ;if _ddd < _bdbea -1{_deeaf =4.0;}else {_deeaf =3.5;};_deeaf -=_cbbb [_ddd ];_gcbgb [_ddd ]=(_geaa [_ddd ]-_gcbgb [_ddd -1])/_deeaf ;
};for _egf :=1;_egf < _bdbea ;_egf ++{_gcbgb [_bdbea -_egf -1]-=_cbbb [_bdbea -_egf ]*_gcbgb [_bdbea -_egf ];};return _gcbgb ;};func _dccg (_dgeb [][]_fb .CubicBezierCurve ,_eaeab *_bb .PdfColorDeviceRGB ,_baga float64 )([]byte ,*_bb .PdfRectangle ,error ){_deea :=_bg .NewContentCreator ();
_deea .Add_q ().SetStrokingColor (_eaeab ).Add_w (_baga );_deec :=_fb .NewCubicBezierPath ();for _ ,_afdc :=range _dgeb {_deec .Curves =append (_deec .Curves ,_afdc ...);for _beda ,_bggb :=range _afdc {if _beda ==0{_deea .Add_m (_bggb .P0 .X ,_bggb .P0 .Y );
}else {_deea .Add_l (_bggb .P0 .X ,_bggb .P0 .Y );};_deea .Add_c (_bggb .P1 .X ,_bggb .P1 .Y ,_bggb .P2 .X ,_bggb .P2 .Y ,_bggb .P3 .X ,_bggb .P3 .Y );};};_deea .Add_S ().Add_Q ();return _deea .Bytes (),_deec .GetBoundingBox ().ToPdfRectangle (),nil ;};


// SignatureLine represents a line of information in the signature field appearance.
type SignatureLine struct{Desc string ;Text string ;};

// NewSignatureFieldOpts returns a new initialized instance of options
// used to generate a signature appearance.
func NewSignatureFieldOpts ()*SignatureFieldOpts {return &SignatureFieldOpts {Font :_bb .DefaultFont (),FontSize :10,LineHeight :1,AutoSize :true ,TextColor :_bb .NewPdfColorDeviceGray (0),BorderColor :_bb .NewPdfColorDeviceGray (0),FillColor :_bb .NewPdfColorDeviceGray (1),Encoder :_cd .NewFlateEncoder (),ImagePosition :SignatureImageLeft };
};func _eed (_eafb _bga .Image ,_fgdf string ,_fdc *SignatureFieldOpts ,_eaa []float64 ,_dec *_bg .ContentCreator )(*_cd .PdfObjectName ,*_bb .XObjectImage ,error ){_dgde ,_cgab :=_bb .DefaultImageHandler {}.NewImageFromGoImage (_eafb );if _cgab !=nil {return nil ,nil ,_cgab ;
};_afe ,_cgab :=_bb .NewXObjectImageFromImage (_dgde ,nil ,_fdc .Encoder );if _cgab !=nil {return nil ,nil ,_cgab ;};_ccfd ,_ccb :=float64 (*_afe .Width ),float64 (*_afe .Height );_bec :=_eaa [2]-_eaa [0];_ebda :=_eaa [3]-_eaa [1];if _fdc .AutoSize {_gfa :=_dg .Min (_bec /_ccfd ,_ebda /_ccb );
_ccfd *=_gfa ;_ccb *=_gfa ;_eaa [0]=_eaa [0]+(_bec /2)-(_ccfd /2);_eaa [1]=_eaa [1]+(_ebda /2)-(_ccb /2);};var _gcaa *_cd .PdfObjectName ;if _dbe ,_cbc :=_cd .GetName (_afe .Name );_cbc {_gcaa =_dbe ;}else {_gcaa =_cd .MakeName (_fgdf );};if _dec !=nil {_dec .Add_q ().Translate (_eaa [0],_eaa [1]).Scale (_ccfd ,_ccb ).Add_Do (*_gcaa ).Add_Q ();
}else {return nil ,nil ,_f .New ("\u0043\u006f\u006e\u0074en\u0074\u0043\u0072\u0065\u0061\u0074\u006f\u0072\u0020\u0069\u0073\u0020\u006e\u0075l\u006c");};return _gcaa ,_afe ,nil ;};func _bgca (_fbf []_fb .Point )(_adfe []_fb .Point ,_babf []_fb .Point ,_faad error ){_bdbg :=len (_fbf )-1;
if len (_fbf )< 1{return nil ,nil ,_f .New ("\u0041\u0074\u0020\u006c\u0065\u0061\u0073\u0074\u0020\u0074\u0077\u006f\u0020\u0070\u006f\u0069\u006e\u0074s \u0072e\u0071\u0075\u0069\u0072\u0065\u0064\u0020\u0074\u006f\u0020\u0063\u0061l\u0063\u0075\u006c\u0061\u0074\u0065\u0020\u0063\u0075\u0072\u0076\u0065\u0020\u0063\u006f\u006e\u0074r\u006f\u006c\u0020\u0070\u006f\u0069\u006e\u0074\u0073");
};if _bdbg ==1{_deae :=_fb .Point {X :(2*_fbf [0].X +_fbf [1].X )/3,Y :(2*_fbf [0].Y +_fbf [1].Y )/3};_adfe =append (_adfe ,_deae );_babf =append (_babf ,_fb .Point {X :2*_deae .X -_fbf [0].X ,Y :2*_deae .Y -_fbf [0].Y });return _adfe ,_babf ,nil ;};_agdc :=make ([]float64 ,_bdbg );
for _aee :=1;_aee < _bdbg -1;_aee ++{_agdc [_aee ]=4*_fbf [_aee ].X +2*_fbf [_aee +1].X ;};_agdc [0]=_fbf [0].X +2*_fbf [1].X ;_agdc [_bdbg -1]=(8*_fbf [_bdbg -1].X +_fbf [_bdbg ].X )/2.0;_edga :=_cbab (_agdc );for _cccf :=1;_cccf < _bdbg -1;_cccf ++{_agdc [_cccf ]=4*_fbf [_cccf ].Y +2*_fbf [_cccf +1].Y ;
};_agdc [0]=_fbf [0].Y +2*_fbf [1].Y ;_agdc [_bdbg -1]=(8*_fbf [_bdbg -1].Y +_fbf [_bdbg ].Y )/2.0;_fafc :=_cbab (_agdc );_adfe =make ([]_fb .Point ,_bdbg );_babf =make ([]_fb .Point ,_bdbg );for _fcda :=0;_fcda < _bdbg ;_fcda ++{_adfe [_fcda ]=_fb .Point {X :_edga [_fcda ],Y :_fafc [_fcda ]};
if _fcda < _bdbg -1{_babf [_fcda ]=_fb .Point {X :2*_fbf [_fcda +1].X -_edga [_fcda +1],Y :2*_fbf [_fcda +1].Y -_fafc [_fcda +1]};}else {_babf [_fcda ]=_fb .Point {X :(_fbf [_bdbg ].X +_edga [_bdbg -1])/2,Y :(_fbf [_bdbg ].Y +_fafc [_bdbg -1])/2};};};return _adfe ,_babf ,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 *_bb .PdfColorDeviceRGB ;Opacity float64 ;LineWidth float64 ;LineEndingStyle1 _fb .LineEndingStyle ;LineEndingStyle2 _fb .LineEndingStyle ;};func (_fgcd *AppearanceStyle )applyRotation (_geec *_cd .PdfObjectDictionary ,_cbf ,_gac float64 ,_gcab *_bg .ContentCreator )(float64 ,float64 ){if !_fgcd .AllowMK {return _cbf ,_gac ;
};if _geec ==nil {return _cbf ,_gac ;};_dda ,_ :=_cd .GetNumberAsFloat (_geec .Get ("\u0052"));if _dda ==0{return _cbf ,_gac ;};_aae :=-_dda ;_fgce :=_fb .Path {Points :[]_fb .Point {_fb .NewPoint (0,0).Rotate (_aae ),_fb .NewPoint (_cbf ,0).Rotate (_aae ),_fb .NewPoint (0,_gac ).Rotate (_aae ),_fb .NewPoint (_cbf ,_gac ).Rotate (_aae )}}.GetBoundingBox ();
_gcab .RotateDeg (_dda );_gcab .Translate (_fgce .X ,_fgce .Y );return _fgce .Width ,_fgce .Height ;};

// FormResetActionOptions holds options for creating a form reset button.
type FormResetActionOptions struct{

// Rectangle holds the button position, size, and color.
Rectangle _fb .Rectangle ;

// Label specifies the text that would be displayed on the button.
Label string ;

// LabelColor specifies the button label color.
LabelColor _bb .PdfColor ;

// Font specifies a font used for rendering the button label.
// When omitted it will fallback to use a Helvetica font.
Font *_bb .PdfFont ;

// FontSize specifies the font size used in rendering the button label.
// The default font size is 12pt.
FontSize *float64 ;

// Fields specifies list of fields that could be resetted.
// This list may contain indirect object to fields or field names.
Fields *_cd .PdfObjectArray ;

// IsExclusionList specifies that the fields in the `Fields` array would be excluded form reset process.
IsExclusionList bool ;};

// 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 *_bb .PdfPage ,name string ,rect []float64 ,opt ImageFieldOptions )(*_bb .PdfFieldButton ,error ){if page ==nil {return nil ,_f .New ("\u0070a\u0067e\u0020\u006e\u006f\u0074\u0020s\u0070\u0065c\u0069\u0066\u0069\u0065\u0064");};
if len (name )<=0{return nil ,_f .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 ,_f .New ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0072\u0061\u006e\u0067\u0065");
};_efgb :=_bb .NewPdfField ();_fbc :=&_bb .PdfFieldButton {};_fbc .PdfField =_efgb ;_efgb .SetContext (_fbc );_fbc .SetType (_bb .ButtonTypePush );_fbc .T =_cd .MakeString (name );_aeb :=_bb .NewPdfAnnotationWidget ();_aeb .Rect =_cd .MakeArrayFromFloats (rect );
_aeb .P =page .ToPdfObject ();_aeb .F =_cd .MakeInteger (4);_aeb .Parent =_fbc .ToPdfObject ();_fdf :=rect [2]-rect [0];_gfg :=rect [3]-rect [1];_efce :=opt ._degc ;_gggf :=_bg .NewContentCreator ();if _efce .BorderSize > 0{_ddc (_gggf ,_efce ,_fdf ,_gfg );
};if _efce .DrawAlignmentReticle {_eefa :=_efce ;_eefa .BorderSize =0.2;_deggd (_gggf ,_eefa ,_fdf ,_gfg );};_efe ,_bbbf :=_gacdc (_fdf ,_gfg ,opt .Image ,_efce );if _bbbf !=nil {return nil ,_bbbf ;};_gfgd ,_bbff :=_cd .GetDict (_aeb .MK );if _bbff {_gfgd .Set ("\u006c",_efe .ToPdfObject ());
};_fggg :=_cd .MakeDict ();_fggg .Set ("\u0046\u0052\u004d",_efe .ToPdfObject ());_ecfg :=_bb .NewPdfPageResources ();_ecfg .ProcSet =_cd .MakeArray (_cd .MakeName ("\u0050\u0044\u0046"));_ecfg .XObject =_fggg ;_edgd :=_fdf -2;_cfge :=_gfg -2;_gggf .Add_q ();
_gggf .Add_re (1,1,_edgd ,_cfge );_gggf .Add_W ();_gggf .Add_n ();_edgd -=2;_cfge -=2;_gggf .Add_q ();_gggf .Add_re (2,2,_edgd ,_cfge );_gggf .Add_W ();_gggf .Add_n ();_gabg :=_dg .Min (_edgd /float64 (opt .Image .Width ),_cfge /float64 (opt .Image .Height ));
_gggf .Add_cm (_gabg ,0,0,_gabg ,(_fdf /2)-(float64 (opt .Image .Width )*_gabg /2)+2,2);_gggf .Add_Do ("\u0046\u0052\u004d");_gggf .Add_Q ();_gggf .Add_Q ();_efd :=_bb .NewXObjectForm ();_efd .FormType =_cd .MakeInteger (1);_efd .Resources =_ecfg ;_efd .BBox =_cd .MakeArrayFromFloats ([]float64 {0,0,_fdf ,_gfg });
_efd .Matrix =_cd .MakeArrayFromFloats ([]float64 {1.0,0.0,0.0,1.0,0.0,0.0});_efd .SetContentStream (_gggf .Bytes (),_bed ());_daea :=_cd .MakeDict ();_daea .Set ("\u004e",_efd .ToPdfObject ());_aeb .AP =_daea ;_fbc .Annotations =append (_fbc .Annotations ,_aeb );
return _fbc ,nil ;};

// CreateRectangleAnnotation creates a rectangle annotation object that can be added to page PDF annotations.
func CreateRectangleAnnotation (rectDef RectangleAnnotationDef )(*_bb .PdfAnnotation ,error ){_feeb :=_bb .NewPdfAnnotationSquare ();if rectDef .BorderEnabled {_agb ,_bdgc ,_cdf :=rectDef .BorderColor .R (),rectDef .BorderColor .G (),rectDef .BorderColor .B ();
_feeb .C =_cd .MakeArrayFromFloats ([]float64 {_agb ,_bdgc ,_cdf });_fafcc :=_bb .NewBorderStyle ();_fafcc .SetBorderWidth (rectDef .BorderWidth );_feeb .BS =_fafcc .ToPdfObject ();};if rectDef .FillEnabled {_bgee ,_acgbf ,_fbeg :=rectDef .FillColor .R (),rectDef .FillColor .G (),rectDef .FillColor .B ();
_feeb .IC =_cd .MakeArrayFromFloats ([]float64 {_bgee ,_acgbf ,_fbeg });}else {_feeb .IC =_cd .MakeArrayFromIntegers ([]int {});};if rectDef .Opacity < 1.0{_feeb .CA =_cd .MakeFloat (rectDef .Opacity );};_fcdcg ,_cfeb ,_fdbd :=_gde (rectDef );if _fdbd !=nil {return nil ,_fdbd ;
};_feeb .AP =_fcdcg ;_feeb .Rect =_cd .MakeArrayFromFloats ([]float64 {_cfeb .Llx ,_cfeb .Lly ,_cfeb .Urx ,_cfeb .Ury });return _feeb .PdfAnnotation ,nil ;};func _fecd (_ceca _cd .PdfObject ,_aecd *_bb .PdfPageResources )(*_cd .PdfObjectName ,float64 ,bool ){var (_ebge *_cd .PdfObjectName ;
_gea float64 ;_gedg bool ;);if _gdgb ,_fcg :=_cd .GetDict (_ceca );_fcg &&_gdgb !=nil {_dbee :=_cd .TraceToDirectObject (_gdgb .Get ("\u004e"));switch _dbac :=_dbee .(type ){case *_cd .PdfObjectStream :_aaf ,_gebf :=_cd .DecodeStream (_dbac );if _gebf !=nil {_d .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0075\u006e\u0061\u0062\u006c\u0065\u0020\u0064\u0065\u0063\u006f\u0064\u0065\u0020\u0063\u006f\u006e\u0074e\u006e\u0074\u0020\u0073\u0074r\u0065\u0061m\u003a\u0020\u0025\u0076",_gebf .Error ());
return nil ,0,false ;};_eaad ,_gebf :=_bg .NewContentStreamParser (string (_aaf )).Parse ();if _gebf !=nil {_d .Log .Debug ("\u0045\u0052R\u004f\u0052\u0020\u0075n\u0061\u0062l\u0065\u0020\u0070\u0061\u0072\u0073\u0065\u0020c\u006f\u006e\u0074\u0065\u006e\u0074\u0020\u0073\u0074\u0072\u0065\u0061m\u003a\u0020\u0025\u0076",_gebf .Error ());
return nil ,0,false ;};_acca :=_bg .NewContentStreamProcessor (*_eaad );_acca .AddHandler (_bg .HandlerConditionEnumOperand ,"\u0054\u0066",func (_bffe *_bg .ContentStreamOperation ,_gffd _bg .GraphicsState ,_aggg *_bb .PdfPageResources )error {if len (_bffe .Params )==2{if _cccb ,_aag :=_cd .GetName (_bffe .Params [0]);
_aag {_ebge =_cccb ;};if _gga ,_gede :=_cd .GetNumberAsFloat (_bffe .Params [1]);_gede ==nil {_gea =_gga ;};_gedg =true ;return _bg .ErrEarlyExit ;};return nil ;});_acca .Process (_aecd );return _ebge ,_gea ,_gedg ;};};return nil ,0,false ;};

// 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 *_bb .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 _bb .PdfColor ;

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

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

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

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

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

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

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

// 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 *_bb .PdfSignature ,lines []*SignatureLine ,opts *SignatureFieldOpts )(*_bb .PdfFieldSignature ,error ){if signature ==nil {return nil ,_f .New ("\u0073\u0069\u0067na\u0074\u0075\u0072\u0065\u0020\u0063\u0061\u006e\u006e\u006f\u0074\u0020\u0062\u0065\u0020\u006e\u0069\u006c");
};_eaec ,_aaef :=_abgf (lines ,opts );if _aaef !=nil {return nil ,_aaef ;};_baf :=_bb .NewPdfFieldSignature (signature );_baf .Rect =_cd .MakeArrayFromFloats (opts .Rect );_baf .AP =_eaec ;return _baf ,nil ;};type quadding int ;

// CreateLineAnnotation creates a line annotation object that can be added to page PDF annotations.
func CreateLineAnnotation (lineDef LineAnnotationDef )(*_bb .PdfAnnotation ,error ){_ecce :=_bb .NewPdfAnnotationLine ();_ecce .L =_cd .MakeArrayFromFloats ([]float64 {lineDef .X1 ,lineDef .Y1 ,lineDef .X2 ,lineDef .Y2 });_bfdc :=_cd .MakeName ("\u004e\u006f\u006e\u0065");
if lineDef .LineEndingStyle1 ==_fb .LineEndingStyleArrow {_bfdc =_cd .MakeName ("C\u006c\u006f\u0073\u0065\u0064\u0041\u0072\u0072\u006f\u0077");};_cega :=_cd .MakeName ("\u004e\u006f\u006e\u0065");if lineDef .LineEndingStyle2 ==_fb .LineEndingStyleArrow {_cega =_cd .MakeName ("C\u006c\u006f\u0073\u0065\u0064\u0041\u0072\u0072\u006f\u0077");
};_ecce .LE =_cd .MakeArray (_bfdc ,_cega );if lineDef .Opacity < 1.0{_ecce .CA =_cd .MakeFloat (lineDef .Opacity );};_fffg ,_cfgb ,_aegg :=lineDef .LineColor .R (),lineDef .LineColor .G (),lineDef .LineColor .B ();_ecce .IC =_cd .MakeArrayFromFloats ([]float64 {_fffg ,_cfgb ,_aegg });
_ecce .C =_cd .MakeArrayFromFloats ([]float64 {_fffg ,_cfgb ,_aegg });_eagf :=_bb .NewBorderStyle ();_eagf .SetBorderWidth (lineDef .LineWidth );_ecce .BS =_eagf .ToPdfObject ();_dffa ,_gbdbg ,_ecbf :=_eaed (lineDef );if _ecbf !=nil {return nil ,_ecbf ;
};_ecce .AP =_dffa ;_ecce .Rect =_cd .MakeArrayFromFloats ([]float64 {_gbdbg .Llx ,_gbdbg .Lly ,_gbdbg .Urx ,_gbdbg .Ury });return _ecce .PdfAnnotation ,nil ;};const (_fag =1;_gad =2;_gbfc =4;_fccb =8;_gdag =16;_cbcf =32;_ebca =64;_fbda =128;_gdbd =256;
_agdaf =512;_dadd =1024;_aaff =2048;_ffdf =4096;);func _fec (_aaa *_bb .PdfAnnotationWidget ,_bdg *_bb .PdfFieldText ,_bdf *_bb .PdfPageResources ,_ebd AppearanceStyle )(*_cd .PdfObjectDictionary ,error ){_bde :=_bb .NewPdfPageResources ();_gbe ,_fba :=_cd .GetArray (_aaa .Rect );
if !_fba {return nil ,_f .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");};_gce ,_bba :=_bb .NewPdfRectangle (*_gbe );if _bba !=nil {return nil ,_bba ;};_dca ,_bbdb :=_gce .Width (),_gce .Height ();_dba ,_gca :=_dca ,_bbdb ;
_gbb ,_egga :=_cd .GetDict (_aaa .MK );if _egga {_eab ,_ :=_cd .GetDict (_aaa .BS );_cag :=_ebd .applyAppearanceCharacteristics (_gbb ,_eab ,nil );if _cag !=nil {return nil ,_cag ;};};_cff ,_egga :=_cd .GetIntVal (_bdg .MaxLen );if !_egga {return nil ,_f .New ("\u006d\u0061\u0078\u006c\u0065\u006e\u0020\u006e\u006ft\u0020\u0073\u0065\u0074");
};if _cff <=0{return nil ,_f .New ("\u006d\u0061\u0078\u004c\u0065\u006e\u0020\u0069\u006ev\u0061\u006c\u0069\u0064");};_ecf :=_dca /float64 (_cff );_ggfd ,_bba :=_bg .NewContentStreamParser (_dbf (_bdg .PdfField )).Parse ();if _bba !=nil {return nil ,_bba ;
};_ecb :=_bg .NewContentCreator ();if _ebd .BorderSize > 0{_ddc (_ecb ,_ebd ,_dca ,_bbdb );};if _ebd .DrawAlignmentReticle {_ed :=_ebd ;_ed .BorderSize =0.2;_deggd (_ecb ,_ed ,_dca ,_bbdb );};_ecb .Add_BMC ("\u0054\u0078");_ecb .Add_q ();_ ,_bbdb =_ebd .applyRotation (_gbb ,_dca ,_bbdb ,_ecb );
_ecb .Add_BT ();_cea ,_gbdb ,_bba :=_ebd .processDA (_bdg .PdfField ,_ggfd ,_bdf ,_bde ,_ecb );if _bba !=nil {return nil ,_bba ;};_faf :=_cea .Font ;_caf :=_cd .MakeName (_cea .Name );_degfg :=_cea .Size ;_befc :=_degfg ==0;if _befc &&_gbdb {_degfg =_bbdb *_ebd .AutoFontSizeFraction ;
};_cga :=_faf .Encoder ();if _cga ==nil {_d .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");
_cga =_a .NewIdentityTextEncoder ("\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079\u002d\u0048");};var _gaf string ;if _bbcf ,_cef :=_cd .GetString (_bdg .V );_cef {_gaf =_bbcf .Decoded ();};_ecb .Add_Tf (*_caf ,_degfg );var _ab float64 ;for _ ,_eff :=range _gaf {_bda ,_dbc :=_faf .GetRuneMetrics (_eff );
if !_dbc {_d .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",_eff );
continue ;};_adcd :=_bda .Wy ;if int (_adcd )<=0{_adcd =_bda .Wx ;};if _adcd > _ab {_ab =_adcd ;};};if int (_ab )==0{_d .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");
_ab =1000;};_afb ,_bba :=_faf .GetFontDescriptor ();if _bba !=nil {_d .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 _gab float64 ;
if _afb !=nil {_gab ,_bba =_afb .GetCapHeight ();if _bba !=nil {_d .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",_bba );
};};if int (_gab )<=0{_d .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");
_gab =1000.0;};_fecb :=_gab /1000.0*_degfg ;_ggcd :=0.0;_geg :=1.0*_degfg *(_ab /1000.0);{_fge :=_geg ;if _befc &&_ggcd +_fge > _bbdb {_degfg =0.95*(_bbdb -_ggcd );_fecb =_gab /1000.0*_degfg ;};if _bbdb > _fecb {_ggcd =(_bbdb -_fecb )/2.0;};};_ecb .Add_Td (0,_ggcd );
if _dbd ,_bfdf :=_cd .GetIntVal (_bdg .Q );_bfdf {switch _dbd {case 2:if len (_gaf )< _cff {_caa :=float64 (_cff -len (_gaf ))*_ecf ;_ecb .Add_Td (_caa ,0);};};};for _bggg ,_cafd :=range _gaf {_dfc :=_dgg ;if _ebd .MarginLeft !=nil {_dfc =*_ebd .MarginLeft ;
};_egbg :=string (_cafd );if _cga !=nil {_dee ,_gdcc :=_faf .GetRuneMetrics (_cafd );if !_gdcc {_d .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",_cafd );
continue ;};_egbg =string (_cga .Encode (_egbg ));_afd :=_degfg *_dee .Wx /1000.0;_cgaa :=(_ecf -_afd )/2;_dfc =_cgaa ;};_ecb .Add_Td (_dfc ,0);_ecb .Add_Tj (*_cd .MakeString (_egbg ));if _bggg !=len (_gaf )-1{_ecb .Add_Td (_ecf -_dfc ,0);};};_ecb .Add_ET ();
_ecb .Add_Q ();_ecb .Add_EMC ();_cba :=_bb .NewXObjectForm ();_cba .Resources =_bde ;_cba .BBox =_cd .MakeArrayFromFloats ([]float64 {0,0,_dba ,_gca });_cba .SetContentStream (_ecb .Bytes (),_bed ());_ffd :=_cd .MakeDict ();_ffd .Set ("\u004e",_cba .ToPdfObject ());
return _ffd ,nil ;};

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

// CheckboxFieldOptions defines optional parameters for a checkbox field a form.
type CheckboxFieldOptions struct{Checked bool ;};func _fgge (_gacd *_bb .PdfFieldButton ,_aggbb *_bb .PdfAnnotationWidget ,_bfe AppearanceStyle )(*_cd .PdfObjectDictionary ,error ){_gecb ,_dgagf :=_cd .GetArray (_aggbb .Rect );if !_dgagf {return nil ,_f .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");
};_fae ,_bac :=_bb .NewPdfRectangle (*_gecb );if _bac !=nil {return nil ,_bac ;};_baae ,_deef :=_fae .Width (),_fae .Height ();_eacc :=_bg .NewContentCreator ();if _bfe .BorderSize > 0{_ddc (_eacc ,_bfe ,_baae ,_deef );};if _bfe .DrawAlignmentReticle {_aeae :=_bfe ;
_aeae .BorderSize =0.2;_deggd (_eacc ,_aeae ,_baae ,_deef );};_acbc :=_gacd .GetFillImage ();_daee ,_bac :=_gacdc (_baae ,_deef ,_acbc ,_bfe );if _bac !=nil {return nil ,_bac ;};_bedf ,_efed :=_cd .GetDict (_aggbb .MK );if _efed {_bedf .Set ("\u006c",_daee .ToPdfObject ());
};_aef :=_cd .MakeDict ();_aef .Set ("\u0046\u0052\u004d",_daee .ToPdfObject ());_daead :=_bb .NewPdfPageResources ();_daead .ProcSet =_cd .MakeArray (_cd .MakeName ("\u0050\u0044\u0046"));_daead .XObject =_aef ;_fcgg :=_baae -2;_gfff :=_deef -2;_eacc .Add_q ();
_eacc .Add_re (1,1,_fcgg ,_gfff );_eacc .Add_W ();_eacc .Add_n ();_fcgg -=2;_gfff -=2;_eacc .Add_q ();_eacc .Add_re (2,2,_fcgg ,_gfff );_eacc .Add_W ();_eacc .Add_n ();_ffed :=_dg .Min (_fcgg /float64 (_acbc .Width ),_gfff /float64 (_acbc .Height ));_eacc .Add_cm (_ffed ,0,0,_ffed ,(_baae /2)-(float64 (_acbc .Width )*_ffed /2)+2,2);
_eacc .Add_Do ("\u0046\u0052\u004d");_eacc .Add_Q ();_eacc .Add_Q ();_dcc :=_bb .NewXObjectForm ();_dcc .FormType =_cd .MakeInteger (1);_dcc .Resources =_daead ;_dcc .BBox =_cd .MakeArrayFromFloats ([]float64 {0,0,_baae ,_deef });_dcc .Matrix =_cd .MakeArrayFromFloats ([]float64 {1.0,0.0,0.0,1.0,0.0,0.0});
_dcc .SetContentStream (_eacc .Bytes (),_bed ());_eca :=_cd .MakeDict ();_eca .Set ("\u004e",_dcc .ToPdfObject ());return _eca ,nil ;};

// CreateCircleAnnotation creates a circle/ellipse annotation object with appearance stream that can be added to
// page PDF annotations.
func CreateCircleAnnotation (circDef CircleAnnotationDef )(*_bb .PdfAnnotation ,error ){_ae :=_bb .NewPdfAnnotationCircle ();if circDef .BorderEnabled {_ff ,_fe ,_ba :=circDef .BorderColor .R (),circDef .BorderColor .G (),circDef .BorderColor .B ();_ae .C =_cd .MakeArrayFromFloats ([]float64 {_ff ,_fe ,_ba });
_bgc :=_bb .NewBorderStyle ();_bgc .SetBorderWidth (circDef .BorderWidth );_ae .BS =_bgc .ToPdfObject ();};if circDef .FillEnabled {_ffg ,_ag ,_gc :=circDef .FillColor .R (),circDef .FillColor .G (),circDef .FillColor .B ();_ae .IC =_cd .MakeArrayFromFloats ([]float64 {_ffg ,_ag ,_gc });
}else {_ae .IC =_cd .MakeArrayFromIntegers ([]int {});};if circDef .Opacity < 1.0{_ae .CA =_cd .MakeFloat (circDef .Opacity );};_fff ,_gcd ,_fd :=_e (circDef );if _fd !=nil {return nil ,_fd ;};_ae .AP =_fff ;_ae .Rect =_cd .MakeArrayFromFloats ([]float64 {_gcd .Llx ,_gcd .Lly ,_gcd .Urx ,_gcd .Ury });
return _ae .PdfAnnotation ,nil ;};func _deggd (_gbf *_bg .ContentCreator ,_dcda AppearanceStyle ,_bfdb ,_gecd float64 ){_gbf .Add_q ().Add_re (0,0,_bfdb ,_gecd ).Add_re (0,_gecd /2,_bfdb ,_gecd /2).Add_re (0,0,_bfdb ,_gecd ).Add_re (_bfdb /2,0,_bfdb /2,_gecd ).Add_w (_dcda .BorderSize ).SetStrokingColor (_dcda .BorderColor ).SetNonStrokingColor (_dcda .FillColor ).Add_B ().Add_Q ();
};