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 (_db "bytes";_ff "errors";_a "github.com/unidoc/unipdf/v3/common";_dg "github.com/unidoc/unipdf/v3/contentstream";_df "github.com/unidoc/unipdf/v3/contentstream/draw";_eg "github.com/unidoc/unipdf/v3/core";_da "github.com/unidoc/unipdf/v3/internal/textencoding";
_dc "github.com/unidoc/unipdf/v3/model";_g "image";_f "math";_e "strings";_dbg "unicode";);func _ffb (_cga *_dc .PdfField )string {if _cga ==nil {return "";};_cfgd ,_cda :=_cga .GetContext ().(*_dc .PdfFieldText );if !_cda {return _ffb (_cga .Parent );
};if _cfgd .DA !=nil {return _cfgd .DA .Str ();};return _ffb (_cfgd .Parent );};

// 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 (_fdfb FieldAppearance )WrapContentStream (page *_dc .PdfPage )error {_abfe ,_bgbg :=page .GetAllContentStreams ();if _bgbg !=nil {return _bgbg ;};_egff :=_dg .NewContentStreamParser (_abfe );_feg ,_bgbg :=_egff .Parse ();if _bgbg !=nil {return _bgbg ;
};_feg .WrapIfNeeded ();_fece :=[]string {_feg .String ()};return page .SetContentStreams (_fece ,_cabg ());};func _dbfg (_ceff *_dg .ContentCreator ,_cdc AppearanceStyle ,_fag ,_cged float64 ){_ceff .Add_q ().Add_re (0,0,_fag ,_cged ).Add_re (0,_cged /2,_fag ,_cged /2).Add_re (0,0,_fag ,_cged ).Add_re (_fag /2,0,_fag /2,_cged ).Add_w (_cdc .BorderSize ).SetStrokingColor (_cdc .BorderColor ).SetNonStrokingColor (_cdc .FillColor ).Add_B ().Add_Q ();
};

// CreateCircleAnnotation creates a circle/ellipse annotation object with appearance stream that can be added to
// page PDF annotations.
func CreateCircleAnnotation (circDef CircleAnnotationDef )(*_dc .PdfAnnotation ,error ){_gc :=_dc .NewPdfAnnotationCircle ();if circDef .BorderEnabled {_c ,_ec ,_cf :=circDef .BorderColor .R (),circDef .BorderColor .G (),circDef .BorderColor .B ();_gc .C =_eg .MakeArrayFromFloats ([]float64 {_c ,_ec ,_cf });
_dab :=_dc .NewBorderStyle ();_dab .SetBorderWidth (circDef .BorderWidth );_gc .BS =_dab .ToPdfObject ();};if circDef .FillEnabled {_gb ,_ef ,_dba :=circDef .FillColor .R (),circDef .FillColor .G (),circDef .FillColor .B ();_gc .IC =_eg .MakeArrayFromFloats ([]float64 {_gb ,_ef ,_dba });
}else {_gc .IC =_eg .MakeArrayFromIntegers ([]int {});};if circDef .Opacity < 1.0{_gc .CA =_eg .MakeFloat (circDef .Opacity );};_gbe ,_ce ,_ae :=_ag (circDef );if _ae !=nil {return nil ,_ae ;};_gc .AP =_gbe ;_gc .Rect =_eg .MakeArrayFromFloats ([]float64 {_ce .Llx ,_ce .Lly ,_ce .Urx ,_ce .Ury });
return _gc .PdfAnnotation ,nil ;};func _bbdf (_fba ,_fcca float64 ,_aae *_dc .Image ,_dee AppearanceStyle )(*_dc .XObjectForm ,error ){_bcg ,_cbbe :=_dc .NewXObjectImageFromImage (_aae ,nil ,_eg .NewFlateEncoder ());if _cbbe !=nil {return nil ,_cbbe ;};
_bcg .Decode =_eg .MakeArrayFromFloats ([]float64 {0.0,1.0,0.0,1.0,0.0,1.0});_egcb :=_dc .NewPdfPageResources ();_egcb .ProcSet =_eg .MakeArray (_eg .MakeName ("\u0050\u0044\u0046"),_eg .MakeName ("\u0049\u006d\u0061\u0067\u0065\u0043"));_egcb .SetXObjectImageByName (_eg .PdfObjectName ("\u0049\u006d\u0030"),_bcg );
_aacb :=_dg .NewContentCreator ();_aacb .Add_q ();_aacb .Add_cm (float64 (_aae .Width ),0,0,float64 (_aae .Height ),0,0);_aacb .Add_Do ("\u0049\u006d\u0030");_aacb .Add_Q ();_bdgc :=_dc .NewXObjectForm ();_bdgc .FormType =_eg .MakeInteger (1);_bdgc .BBox =_eg .MakeArrayFromFloats ([]float64 {0,0,float64 (_aae .Width ),float64 (_aae .Height )});
_bdgc .Resources =_egcb ;_bdgc .SetContentStream (_aacb .Bytes (),_cabg ());return _bdgc ,nil ;};func (_geef *AppearanceStyle )processDA (_adbe *_dc .PdfField ,_adbb *_dg .ContentStreamOperations ,_cgegd ,_adc *_dc .PdfPageResources ,_fada *_dg .ContentCreator )(*AppearanceFont ,bool ,error ){var _eec *AppearanceFont ;
var _eef bool ;if _geef .Fonts !=nil {if _geef .Fonts .Fallback !=nil {_eec =_geef .Fonts .Fallback ;};if _efcb :=_geef .Fonts .FieldFallbacks ;_efcb !=nil {if _dgf ,_ecg :=_efcb [_adbe .PartialName ()];_ecg {_eec =_dgf ;}else if _agf ,_gedb :=_adbe .FullName ();
_gedb ==nil {if _fbbb ,_aee :=_efcb [_agf ];_aee {_eec =_fbbb ;};};};_eef =_geef .Fonts .ForceReplace ;};var _eccb string ;var _gedg float64 ;var _abb bool ;if _adbb !=nil {for _ ,_befb :=range *_adbb {if _befb .Operand =="\u0054\u0066"&&len (_befb .Params )==2{if _aga ,_gdge :=_eg .GetNameVal (_befb .Params [0]);
_gdge {_eccb =_aga ;};if _ebc ,_cgad :=_eg .GetNumberAsFloat (_befb .Params [1]);_cgad ==nil {_gedg =_ebc ;};_abb =true ;continue ;};_fada .AddOperand (*_befb );};};var _ddfb *AppearanceFont ;var _bcad _eg .PdfObject ;if _eef &&_eec !=nil {_ddfb =_eec ;
}else {if _cgegd !=nil &&_eccb !=""{if _eeg ,_cgbe :=_cgegd .GetFontByName (*_eg .MakeName (_eccb ));_cgbe {if _egfd ,_edfb :=_dc .NewPdfFontFromPdfObject (_eeg );_edfb ==nil {_bcad =_eeg ;_ddfb =&AppearanceFont {Name :_eccb ,Font :_egfd ,Size :_gedg };
}else {_a .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",_edfb );
};};};if _ddfb ==nil &&_eec !=nil {_ddfb =_eec ;};if _ddfb ==nil {_cbce ,_bagc :=_dc .NewStandard14Font ("\u0048e\u006c\u0076\u0065\u0074\u0069\u0063a");if _bagc !=nil {return nil ,false ,_bagc ;};_ddfb =&AppearanceFont {Name :"\u0048\u0065\u006c\u0076",Font :_cbce ,Size :_gedg };
};};if _ddfb .Size <=0&&_geef .Fonts !=nil &&_geef .Fonts .FallbackSize > 0{_ddfb .Size =_geef .Fonts .FallbackSize ;};_bfa :=*_eg .MakeName (_ddfb .Name );if _bcad ==nil {_bcad =_ddfb .Font .ToPdfObject ();};if _cgegd !=nil &&!_cgegd .HasFontByName (_bfa ){_cgegd .SetFontByName (_bfa ,_bcad );
};if _adc !=nil &&!_adc .HasFontByName (_bfa ){_adc .SetFontByName (_bfa ,_bcad );};return _ddfb ,_abb ,nil ;};

// SetStyle applies appearance `style` to `fa`.
func (_age *FieldAppearance )SetStyle (style AppearanceStyle ){_age ._af =&style };func _gffg (_gcfb *_dg .ContentCreator ,_eggb AppearanceStyle ,_cea ,_gda float64 ){_gcfb .Add_q ().Add_re (0,0,_cea ,_gda ).Add_w (_eggb .BorderSize ).SetStrokingColor (_eggb .BorderColor ).SetNonStrokingColor (_eggb .FillColor ).Add_B ().Add_Q ();
};func _adf (_eae *_dc .PdfAnnotationWidget ,_daeb *_dc .PdfFieldButton ,_feec *_dc .PdfPageResources ,_bfc AppearanceStyle )(*_eg .PdfObjectDictionary ,error ){_fcd ,_gdd :=_eg .GetArray (_eae .Rect );if !_gdd {return nil ,_ff .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");
};_fac ,_ege :=_dc .NewPdfRectangle (*_fcd );if _ege !=nil {return nil ,_ege ;};_faca ,_fda :=_fac .Width (),_fac .Height ();_dgg ,_adbf :=_faca ,_fda ;_a .Log .Debug ("\u0043\u0068\u0065\u0063kb\u006f\u0078\u002c\u0020\u0077\u0061\u0020\u0042\u0053\u003a\u0020\u0025\u0076",_eae .BS );
_aea ,_ege :=_dc .NewStandard14Font ("\u005a\u0061\u0070f\u0044\u0069\u006e\u0067\u0062\u0061\u0074\u0073");if _ege !=nil {return nil ,_ege ;};_edf ,_bbg :=_eg .GetDict (_eae .MK );if _bbg {_dcd ,_ :=_eg .GetDict (_eae .BS );_cfg :=_bfc .applyAppearanceCharacteristics (_edf ,_dcd ,_aea );
if _cfg !=nil {return nil ,_cfg ;};};_agcg :=_dc .NewXObjectForm ();{_fcf :=_dg .NewContentCreator ();if _bfc .BorderSize > 0{_gffg (_fcf ,_bfc ,_faca ,_fda );};if _bfc .DrawAlignmentReticle {_gefc :=_bfc ;_gefc .BorderSize =0.2;_dbfg (_fcf ,_gefc ,_faca ,_fda );
};_faca ,_fda =_bfc .applyRotation (_edf ,_faca ,_fda ,_fcf );_gbde :=_bfc .AutoFontSizeFraction *_fda ;_cfe ,_gcga :=_aea .GetRuneMetrics (_bfc .CheckmarkRune );if !_gcga {return nil ,_ff .New ("\u0067l\u0079p\u0068\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};_adac :=_aea .Encoder ();_gff :=_adac .Encode (string (_bfc .CheckmarkRune ));_aebe :=_cfe .Wx *_gbde /1000.0;_fbc :=705.0;_ccf :=_fbc /1000.0*_gbde ;_cbbg :=_bfg ;if _bfc .MarginLeft !=nil {_cbbg =*_bfc .MarginLeft ;};_bgdb :=1.0;if _aebe < _faca {_cbbg =(_faca -_aebe )/2.0;
};if _ccf < _fda {_bgdb =(_fda -_ccf )/2.0;};_fcf .Add_q ().Add_g (0).Add_BT ().Add_Tf ("\u005a\u0061\u0044\u0062",_gbde ).Add_Td (_cbbg ,_bgdb ).Add_Tj (*_eg .MakeStringFromBytes (_gff )).Add_ET ().Add_Q ();_agcg .Resources =_dc .NewPdfPageResources ();
_agcg .Resources .SetFontByName ("\u005a\u0061\u0044\u0062",_aea .ToPdfObject ());_agcg .BBox =_eg .MakeArrayFromFloats ([]float64 {0,0,_dgg ,_adbf });_agcg .SetContentStream (_fcf .Bytes (),_cabg ());};_dgeb :=_dc .NewXObjectForm ();{_gddb :=_dg .NewContentCreator ();
if _bfc .BorderSize > 0{_gffg (_gddb ,_bfc ,_faca ,_fda );};_dgeb .BBox =_eg .MakeArrayFromFloats ([]float64 {0,0,_dgg ,_adbf });_dgeb .SetContentStream (_gddb .Bytes (),_cabg ());};_feag :=_eg .MakeDict ();_feag .Set ("\u004f\u0066\u0066",_dgeb .ToPdfObject ());
_feag .Set ("\u0059\u0065\u0073",_agcg .ToPdfObject ());_bga :=_eg .MakeDict ();_bga .Set ("\u004e",_feag );return _bga ,nil ;};

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

// CheckboxFieldOptions defines optional parameters for a checkbox field a form.
type CheckboxFieldOptions struct{Checked bool ;};

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

// 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 ;};

// GenerateAppearanceDict generates an appearance dictionary for widget annotation `wa` for the `field` in `form`.
// Implements interface model.FieldAppearanceGenerator.
func (_ca FieldAppearance )GenerateAppearanceDict (form *_dc .PdfAcroForm ,field *_dc .PdfField ,wa *_dc .PdfAnnotationWidget )(*_eg .PdfObjectDictionary ,error ){_a .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 );
_ ,_agc :=field .GetContext ().(*_dc .PdfFieldText );_eb ,_gaf :=_eg .GetDict (wa .AP );if _gaf &&_ca .OnlyIfMissing &&(!_agc ||!_ca .RegenerateTextFields ){_a .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 _eb ,nil ;};if form .DR ==nil {form .DR =_dc .NewPdfPageResources ();};switch _fea :=field .GetContext ().(type ){case *_dc .PdfFieldText :_dbd :=_fea ;switch {case _dbd .Flags ().Has (_dc .FieldFlagPassword ):return nil ,nil ;case _dbd .Flags ().Has (_dc .FieldFlagFileSelect ):return nil ,nil ;
case _dbd .Flags ().Has (_dc .FieldFlagComb ):if _dbd .MaxLen !=nil {_fde ,_cab :=_aac (wa ,_dbd ,form .DR ,_ca .Style ());if _cab !=nil {return nil ,_cab ;};return _fde ,nil ;};};_cfd ,_cb :=_ee (wa ,_dbd ,form .DR ,_ca .Style ());if _cb !=nil {return nil ,_cb ;
};return _cfd ,nil ;case *_dc .PdfFieldButton :_cbd :=_fea ;if _cbd .IsCheckbox (){_fa ,_dbdd :=_adf (wa ,_cbd ,form .DR ,_ca .Style ());if _dbdd !=nil {return nil ,_dbdd ;};return _fa ,nil ;};_a .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",_cbd .GetType ());
case *_dc .PdfFieldChoice :_bdf :=_fea ;switch {case _bdf .Flags ().Has (_dc .FieldFlagCombo ):_gcb ,_fbb :=_caag (form ,wa ,_bdf ,_ca .Style ());if _fbb !=nil {return nil ,_fbb ;};return _gcb ,nil ;default:_a .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",_bdf .Flags ().String ());
};default:_a .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",_fea );};return nil ,nil ;};func _dgfg (_bbbd _g .Image ,_adeb string ,_eac *SignatureFieldOpts ,_gdga []float64 ,_agce *_dg .ContentCreator )(*_eg .PdfObjectName ,*_dc .XObjectImage ,error ){_fdfe ,_dgcc :=_dc .DefaultImageHandler {}.NewImageFromGoImage (_bbbd );
if _dgcc !=nil {return nil ,nil ,_dgcc ;};_cgbd ,_dgcc :=_dc .NewXObjectImageFromImage (_fdfe ,nil ,_eac .Encoder );if _dgcc !=nil {return nil ,nil ,_dgcc ;};_cecc ,_eabc :=float64 (*_cgbd .Width ),float64 (*_cgbd .Height );_dbc :=_gdga [2]-_gdga [0];_aaaf :=_gdga [3]-_gdga [1];
if _eac .AutoSize {_dfbg :=_f .Min (_dbc /_cecc ,_aaaf /_eabc );_cecc *=_dfbg ;_eabc *=_dfbg ;_gdga [0]=_gdga [0]+(_dbc /2)-(_cecc /2);_gdga [1]=_gdga [1]+(_aaaf /2)-(_eabc /2);};var _ffbf *_eg .PdfObjectName ;if _fbca ,_affbf :=_eg .GetName (_cgbd .Name );
_affbf {_ffbf =_fbca ;}else {_ffbf =_eg .MakeName (_adeb );};if _agce !=nil {_agce .Add_q ().Translate (_gdga [0],_gdga [1]).Scale (_cecc ,_eabc ).Add_Do (*_ffbf ).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 _ffbf ,_cgbd ,nil ;};

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

// 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 _dc .PdfColor ;FillColor _dc .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 ;};

// NewSignatureFieldOpts returns a new initialized instance of options
// used to generate a signature appearance.
func NewSignatureFieldOpts ()*SignatureFieldOpts {return &SignatureFieldOpts {Font :_dc .DefaultFont (),FontSize :10,LineHeight :1,AutoSize :true ,TextColor :_dc .NewPdfColorDeviceGray (0),BorderColor :_dc .NewPdfColorDeviceGray (0),FillColor :_dc .NewPdfColorDeviceGray (1),Encoder :_eg .NewFlateEncoder (),ImagePosition :SignatureImageLeft };
};func _ee (_fg *_dc .PdfAnnotationWidget ,_dfe *_dc .PdfFieldText ,_egf *_dc .PdfPageResources ,_bag AppearanceStyle )(*_eg .PdfObjectDictionary ,error ){_dae :=_dc .NewPdfPageResources ();_ge ,_gef :=_eg .GetArray (_fg .Rect );if !_gef {return nil ,_ff .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");
};_gg ,_ggb :=_dc .NewPdfRectangle (*_ge );if _ggb !=nil {return nil ,_ggb ;};_ebd ,_gefg :=_gg .Width (),_gg .Height ();_gbf ,_bg :=_ebd ,_gefg ;_adg ,_dac :=_eg .GetDict (_fg .MK );if _dac {_ega ,_ :=_eg .GetDict (_fg .BS );_bfgd :=_bag .applyAppearanceCharacteristics (_adg ,_ega ,nil );
if _bfgd !=nil {return nil ,_bfgd ;};};_fgf ,_ggb :=_dg .NewContentStreamParser (_ffb (_dfe .PdfField )).Parse ();if _ggb !=nil {return nil ,_ggb ;};_fdf :=_dg .NewContentCreator ();if _bag .BorderSize > 0{_gffg (_fdf ,_bag ,_ebd ,_gefg );};if _bag .DrawAlignmentReticle {_bc :=_bag ;
_bc .BorderSize =0.2;_dbfg (_fdf ,_bc ,_ebd ,_gefg );};_fdf .Add_BMC ("\u0054\u0078");_fdf .Add_q ();_ebd ,_gefg =_bag .applyRotation (_adg ,_ebd ,_gefg ,_fdf );_fdf .Add_BT ();_egd ,_gdb ,_ggb :=_bag .processDA (_dfe .PdfField ,_fgf ,_egf ,_dae ,_fdf );
if _ggb !=nil {return nil ,_ggb ;};_ea :=_egd .Font ;_bbd :=_egd .Size ;_cff :=_eg .MakeName (_egd .Name );_ace :=_bbd ==0;if _ace &&_gdb {_bbd =_gefg *_bag .AutoFontSizeFraction ;};_dabb :=_ea .Encoder ();if _dabb ==nil {_a .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");
_dabb =_da .NewIdentityTextEncoder ("\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079\u002d\u0048");};_fff ,_ggb :=_ea .GetFontDescriptor ();if _ggb !=nil {_a .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 _de string ;if _acb ,_ecc :=_eg .GetString (_dfe .V );_ecc {_de =_acb .Decoded ();};if len (_de )==0{return nil ,nil ;};_dge :=[]string {_de };_ed :=false ;if _dfe .Flags ().Has (_dc .FieldFlagMultiline ){_ed =true ;_de =_e .Replace (_de ,"\u000d\u000a","\u000a",-1);
_de =_e .Replace (_de ,"\u000d","\u000a",-1);_dge =_e .Split (_de ,"\u000a");};_geb :=make ([]string ,len (_dge ));copy (_geb ,_dge );_deg :=_bag .MultilineLineHeight ;_aa :=0.0;_dfd :=0;if _dabb !=nil {for _bbd >=0{_eaa :=make ([]string ,len (_dge ));
copy (_eaa ,_dge );_abg :=make ([]string ,len (_geb ));copy (_abg ,_geb );_aa =0.0;_dfd =0;_bba :=len (_eaa );_gde :=0;for _gde < _bba {var _bgb float64 ;_cbdc :=-1;_gag :=_bfg ;if _bag .MarginLeft !=nil {_gag =*_bag .MarginLeft ;};for _cd ,_ddf :=range _eaa [_gde ]{if _ddf ==' '{_cbdc =_cd ;
_bgb =_gag ;};_bgd ,_eed :=_ea .GetRuneMetrics (_ddf );if !_eed {_a .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",_ddf );
continue ;};_gag +=_bgd .Wx ;if _ed &&!_ace &&_bbd *_gag /1000.0> _ebd &&_cbdc > 0{_fc :=_eaa [_gde ][_cbdc +1:];_dag :=_abg [_gde ][_cbdc +1:];if _gde < len (_eaa )-1{_eaa =append (_eaa [:_gde +1],_eaa [_gde :]...);_eaa [_gde +1]=_fc ;_abg =append (_abg [:_gde +1],_abg [_gde :]...);
_abg [_gde +1]=_dag ;}else {_eaa =append (_eaa ,_fc );_abg =append (_abg ,_dag );};_bba ++;_eaa [_gde ]=_eaa [_gde ][0:_cbdc ];_abg [_gde ]=_abg [_gde ][0:_cbdc ];_gag =_bgb ;break ;};};if _gag > _aa {_aa =_gag ;};_eaa [_gde ]=string (_dabb .Encode (_eaa [_gde ]));
if len (_eaa [_gde ])> 0{_dfd ++;};_gde ++;};_gcf :=_bbd ;if _dfd > 1{_gcf *=_deg ;};_bgdf :=float64 (_dfd )*_gcf ;if _ace ||_bgdf <=_gefg {_dge =_eaa ;_geb =_abg ;break ;};_bbd --;};};_fab :=_bfg ;if _bag .MarginLeft !=nil {_fab =*_bag .MarginLeft ;};
if _bbd ==0||_ace &&_aa > 0&&_fab +_aa *_bbd /1000.0> _ebd {_bbd =0.95*1000.0*(_ebd -_fab )/_aa ;};_cdb :=_ba ;{if _afe ,_ffa :=_eg .GetIntVal (_dfe .Q );_ffa {switch _afe {case 0:_cdb =_ba ;case 1:_cdb =_aff ;case 2:_cdb =_bd ;default:_a .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",_afe );
};};};_cec :=_bbd ;if _ed &&_dfd > 1{_cec =_deg *_bbd ;};var _ceb float64 ;if _fff !=nil {_ceb ,_ggb =_fff .GetCapHeight ();if _ggb !=nil {_a .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",_ggb );
};};if int (_ceb )<=0{_a .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");
_ceb =1000;};_bdg :=_ceb /1000.0*_bbd ;_gbee :=0.0;{_dbf :=float64 (_dfd )*_cec ;if _ace &&_gbee +_dbf > _gefg {_bbd =0.95*(_gefg -_gbee )/float64 (_dfd );_cec =_bbd ;if _ed &&_dfd > 1{_cec =_deg *_bbd ;};_bdg =_ceb /1000.0*_bbd ;_dbf =float64 (_dfd )*_cec ;
};if _gefg > _dbf {if _ed {if _bag .MultilineVAlignMiddle {_bfe :=(_gefg -(_dbf +_bdg ))/2.0;_dcb :=_bfe +_dbf +_bdg -_cec ;_gbee =_dcb ;if _dfd > 1{_gbee =_gbee +(_dbf /_bbd *float64 (_dfd ))-_cec -_bdg ;};if _gbee < _dbf {_gbee =(_gefg -_bdg )/2.0;};
}else {_gbee =_gefg -_cec ;if _gbee > _bbd {_gbee -=_bbd *0.5;};};}else {_gbee =(_gefg -_bdg )/2.0;};};};_fdf .Add_Tf (*_cff ,_bbd );_fdf .Add_Td (_fab ,_gbee );_ada :=_fab ;_dde :=_fab ;for _ade ,_egg :=range _dge {_bgf :=0.0;for _ ,_fdd :=range _geb [_ade ]{_egdg ,_gfc :=_ea .GetRuneMetrics (_fdd );
if !_gfc {continue ;};_bgf +=_egdg .Wx ;};_eee :=_bgf /1000.0*_bbd ;_aca :=_ebd -_eee ;var _bge float64 ;switch _cdb {case _ba :_bge =_ada ;case _aff :_bge =_aca /2;case _bd :_bge =_aca ;};_fab =_bge -_dde ;if _fab > 0.0{_fdf .Add_Td (_fab ,0);};_dde =_bge ;
_fdf .Add_Tj (*_eg .MakeString (_egg ));if _ade < len (_dge )-1{_fdf .Add_Td (0,-_bbd *_deg );};};_fdf .Add_ET ();_fdf .Add_Q ();_fdf .Add_EMC ();_egc :=_dc .NewXObjectForm ();_egc .Resources =_dae ;_egc .BBox =_eg .MakeArrayFromFloats ([]float64 {0,0,_gbf ,_bg });
_egc .SetContentStream (_fdf .Bytes (),_cabg ());_daa :=_eg .MakeDict ();_daa .Set ("\u004e",_egc .ToPdfObject ());return _daa ,nil ;};func _afb (_adaf LineAnnotationDef )(*_eg .PdfObjectDictionary ,*_dc .PdfRectangle ,error ){_feaa :=_dc .NewXObjectForm ();
_feaa .Resources =_dc .NewPdfPageResources ();_gcee :="";if _adaf .Opacity < 1.0{_dage :=_eg .MakeDict ();_dage .Set ("\u0063\u0061",_eg .MakeFloat (_adaf .Opacity ));_gcgb :=_feaa .Resources .AddExtGState ("\u0067\u0073\u0031",_dage );if _gcgb !=nil {_a .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 ,_gcgb ;};_gcee ="\u0067\u0073\u0031";};_ddd ,_ddeac ,_aadf ,_feda :=_gba (_adaf ,_gcee );if _feda !=nil {return nil ,nil ,_feda ;};_feda =_feaa .SetContentStream (_ddd ,nil );if _feda !=nil {return nil ,nil ,_feda ;};_feaa .BBox =_ddeac .ToPdfObject ();
_defe :=_eg .MakeDict ();_defe .Set ("\u004e",_feaa .ToPdfObject ());return _defe ,_aadf ,nil ;};func _cbgg (_gefde RectangleAnnotationDef )(*_eg .PdfObjectDictionary ,*_dc .PdfRectangle ,error ){_gdgg :=_dc .NewXObjectForm ();_gdgg .Resources =_dc .NewPdfPageResources ();
_cedb :="";if _gefde .Opacity < 1.0{_dca :=_eg .MakeDict ();_dca .Set ("\u0063\u0061",_eg .MakeFloat (_gefde .Opacity ));_dca .Set ("\u0043\u0041",_eg .MakeFloat (_gefde .Opacity ));_ceccc :=_gdgg .Resources .AddExtGState ("\u0067\u0073\u0031",_dca );if _ceccc !=nil {_a .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 ,_ceccc ;};_cedb ="\u0067\u0073\u0031";};_ccag ,_deaf ,_gcbbd ,_faf :=_ded (_gefde ,_cedb );if _faf !=nil {return nil ,nil ,_faf ;};_faf =_gdgg .SetContentStream (_ccag ,nil );if _faf !=nil {return nil ,nil ,_faf ;};_gdgg .BBox =_deaf .ToPdfObject ();
_fga :=_eg .MakeDict ();_fga .Set ("\u004e",_gdgg .ToPdfObject ());return _fga ,_gcbbd ,nil ;};

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

// 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 ;};const (SignatureImageLeft SignatureImagePosition =iota ;SignatureImageRight ;SignatureImageTop ;SignatureImageBottom ;);

// 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 *_dc .PdfPage ,name string ,rect []float64 ,opt TextFieldOptions )(*_dc .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");};_acbb :=_dc .NewPdfField ();_agfa :=&_dc .PdfFieldText {};_acbb .SetContext (_agfa );_agfa .PdfField =_acbb ;_agfa .T =_eg .MakeString (name );
if opt .MaxLen > 0{_agfa .MaxLen =_eg .MakeInteger (int64 (opt .MaxLen ));};if len (opt .Value )> 0{_agfa .V =_eg .MakeString (opt .Value );};_baee :=_dc .NewPdfAnnotationWidget ();_baee .Rect =_eg .MakeArrayFromFloats (rect );_baee .P =page .ToPdfObject ();
_baee .F =_eg .MakeInteger (4);_baee .Parent =_agfa .ToPdfObject ();_agfa .Annotations =append (_agfa .Annotations ,_baee );return _agfa ,nil ;};func (_ecbf *AppearanceStyle )applyRotation (_befe *_eg .PdfObjectDictionary ,_cdbc ,_gea float64 ,_ged *_dg .ContentCreator )(float64 ,float64 ){if !_ecbf .AllowMK {return _cdbc ,_gea ;
};if _befe ==nil {return _cdbc ,_gea ;};_edbf ,_ :=_eg .GetNumberAsFloat (_befe .Get ("\u0052"));if _edbf ==0{return _cdbc ,_gea ;};_gffa :=-_edbf ;_fdea :=_df .Path {Points :[]_df .Point {_df .NewPoint (0,0).Rotate (_gffa ),_df .NewPoint (_cdbc ,0).Rotate (_gffa ),_df .NewPoint (0,_gea ).Rotate (_gffa ),_df .NewPoint (_cdbc ,_gea ).Rotate (_gffa )}}.GetBoundingBox ();
_ged .RotateDeg (_edbf );_ged .Translate (_fdea .X ,_fdea .Y );return _fdea .Width ,_fdea .Height ;};func _ag (_b CircleAnnotationDef )(*_eg .PdfObjectDictionary ,*_dc .PdfRectangle ,error ){_ab :=_dc .NewXObjectForm ();_ab .Resources =_dc .NewPdfPageResources ();
_bb :="";if _b .Opacity < 1.0{_fe :=_eg .MakeDict ();_fe .Set ("\u0063\u0061",_eg .MakeFloat (_b .Opacity ));_fe .Set ("\u0043\u0041",_eg .MakeFloat (_b .Opacity ));_fd :=_ab .Resources .AddExtGState ("\u0067\u0073\u0031",_fe );if _fd !=nil {_a .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 ,_fd ;};_bb ="\u0067\u0073\u0031";};_gf ,_aeb ,_ad ,_bf :=_ac (_b ,_bb );if _bf !=nil {return nil ,nil ,_bf ;};_bf =_ab .SetContentStream (_gf ,nil );if _bf !=nil {return nil ,nil ,_bf ;};_ab .BBox =_aeb .ToPdfObject ();_gfg :=_eg .MakeDict ();
_gfg .Set ("\u004e",_ab .ToPdfObject ());return _gfg ,_ad ,nil ;};func _aac (_gbda *_dc .PdfAnnotationWidget ,_dea *_dc .PdfFieldText ,_dgb *_dc .PdfPageResources ,_be AppearanceStyle )(*_eg .PdfObjectDictionary ,error ){_ffca :=_dc .NewPdfPageResources ();
_aab ,_abe :=_eg .GetArray (_gbda .Rect );if !_abe {return nil ,_ff .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");};_cdg ,_cc :=_dc .NewPdfRectangle (*_aab );if _cc !=nil {return nil ,_cc ;};_cdgg ,_bbf :=_cdg .Width (),_cdg .Height ();
_cba ,_gefe :=_cdgg ,_bbf ;_fbd ,_abeg :=_eg .GetDict (_gbda .MK );if _abeg {_afg ,_ :=_eg .GetDict (_gbda .BS );_gdf :=_be .applyAppearanceCharacteristics (_fbd ,_afg ,nil );if _gdf !=nil {return nil ,_gdf ;};};_gee ,_abeg :=_eg .GetIntVal (_dea .MaxLen );
if !_abeg {return nil ,_ff .New ("\u006d\u0061\u0078\u006c\u0065\u006e\u0020\u006e\u006ft\u0020\u0073\u0065\u0074");};if _gee <=0{return nil ,_ff .New ("\u006d\u0061\u0078\u004c\u0065\u006e\u0020\u0069\u006ev\u0061\u006c\u0069\u0064");};_efg :=_cdgg /float64 (_gee );
_gebf ,_cc :=_dg .NewContentStreamParser (_ffb (_dea .PdfField )).Parse ();if _cc !=nil {return nil ,_cc ;};_abge :=_dg .NewContentCreator ();if _be .BorderSize > 0{_gffg (_abge ,_be ,_cdgg ,_bbf );};if _be .DrawAlignmentReticle {_ebdg :=_be ;_ebdg .BorderSize =0.2;
_dbfg (_abge ,_ebdg ,_cdgg ,_bbf );};_abge .Add_BMC ("\u0054\u0078");_abge .Add_q ();_ ,_bbf =_be .applyRotation (_fbd ,_cdgg ,_bbf ,_abge );_abge .Add_BT ();_fcg ,_efc ,_cc :=_be .processDA (_dea .PdfField ,_gebf ,_dgb ,_ffca ,_abge );if _cc !=nil {return nil ,_cc ;
};_ggc :=_fcg .Font ;_gfgb :=_eg .MakeName (_fcg .Name );_abf :=_fcg .Size ;_dead :=_abf ==0;if _dead &&_efc {_abf =_bbf *_be .AutoFontSizeFraction ;};_ecb :=_ggc .Encoder ();if _ecb ==nil {_a .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");
_ecb =_da .NewIdentityTextEncoder ("\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079\u002d\u0048");};var _dbe string ;if _gcg ,_cbb :=_eg .GetString (_dea .V );_cbb {_dbe =_gcg .Decoded ();};_abge .Add_Tf (*_gfgb ,_abf );var _fge float64 ;for _ ,_dgd :=range _dbe {_cdf ,_dgeg :=_ggc .GetRuneMetrics (_dgd );
if !_dgeg {_a .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",_dgd );
continue ;};_ede :=_cdf .Wy ;if int (_ede )<=0{_ede =_cdf .Wx ;};if _ede > _fge {_fge =_ede ;};};if int (_fge )==0{_a .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");
_fge =1000;};_adb ,_cc :=_ggc .GetFontDescriptor ();if _cc !=nil {_a .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 _agd float64 ;
if _adb !=nil {_agd ,_cc =_adb .GetCapHeight ();if _cc !=nil {_a .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",_cc );
};};if int (_agd )<=0{_a .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");
_agd =1000.0;};_fec :=_agd /1000.0*_abf ;_cef :=0.0;_ebb :=1.0*_abf *(_fge /1000.0);{_fce :=_ebb ;if _dead &&_cef +_fce > _bbf {_abf =0.95*(_bbf -_cef );_fec =_agd /1000.0*_abf ;};if _bbf > _fec {_cef =(_bbf -_fec )/2.0;};};_abge .Add_Td (0,_cef );if _def ,_cg :=_eg .GetIntVal (_dea .Q );
_cg {switch _def {case 2:if len (_dbe )< _gee {_caab :=float64 (_gee -len (_dbe ))*_efg ;_abge .Add_Td (_caab ,0);};};};for _dgcf ,_ece :=range _dbe {_ddfa :=_bfg ;if _be .MarginLeft !=nil {_ddfa =*_be .MarginLeft ;};_gdc :=string (_ece );if _ecb !=nil {_cge ,_cabd :=_ggc .GetRuneMetrics (_ece );
if !_cabd {_a .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",_ece );
continue ;};_gdc =string (_ecb .Encode (_gdc ));_abgeb :=_abf *_cge .Wx /1000.0;_baga :=(_efg -_abgeb )/2;_ddfa =_baga ;};_abge .Add_Td (_ddfa ,0);_abge .Add_Tj (*_eg .MakeString (_gdc ));if _dgcf !=len (_dbe )-1{_abge .Add_Td (_efg -_ddfa ,0);};};_abge .Add_ET ();
_abge .Add_Q ();_abge .Add_EMC ();_gafb :=_dc .NewXObjectForm ();_gafb .Resources =_ffca ;_gafb .BBox =_eg .MakeArrayFromFloats ([]float64 {0,0,_cba ,_gefe });_gafb .SetContentStream (_abge .Bytes (),_cabg ());_fad :=_eg .MakeDict ();_fad .Set ("\u004e",_gafb .ToPdfObject ());
return _fad ,nil ;};

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

// 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 (_aba ImageFieldAppearance )WrapContentStream (page *_dc .PdfPage )error {_edff ,_eddb :=page .GetAllContentStreams ();if _eddb !=nil {return _eddb ;};_fcb :=_dg .NewContentStreamParser (_edff );_bdeg ,_eddb :=_fcb .Parse ();if _eddb !=nil {return _eddb ;
};_bdeg .WrapIfNeeded ();_dff :=[]string {_bdeg .String ()};return page .SetContentStreams (_dff ,_cabg ());};

// 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 *_dc .PdfPage ,name string ,rect []float64 ,opt CheckboxFieldOptions )(*_dc .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");
};_bgc ,_agg :=_dc .NewStandard14Font (_dc .ZapfDingbatsName );if _agg !=nil {return nil ,_agg ;};_bde :=_dc .NewPdfField ();_efa :=&_dc .PdfFieldButton {};_bde .SetContext (_efa );_efa .PdfField =_bde ;_efa .T =_eg .MakeString (name );_efa .SetType (_dc .ButtonTypeCheckbox );
_bee :="\u004f\u0066\u0066";if opt .Checked {_bee ="\u0059\u0065\u0073";};_efa .V =_eg .MakeName (_bee );_agef :=_dc .NewPdfAnnotationWidget ();_agef .Rect =_eg .MakeArrayFromFloats (rect );_agef .P =page .ToPdfObject ();_agef .F =_eg .MakeInteger (4);
_agef .Parent =_efa .ToPdfObject ();_bdcb :=rect [2]-rect [0];_eaef :=rect [3]-rect [1];var _gfe _db .Buffer ;_gfe .WriteString ("\u0071\u000a");_gfe .WriteString ("\u0030 \u0030\u0020\u0031\u0020\u0072\u0067\n");_gfe .WriteString ("\u0042\u0054\u000a");
_gfe .WriteString ("\u002f\u005a\u0061D\u0062\u0020\u0031\u0032\u0020\u0054\u0066\u000a");_gfe .WriteString ("\u0045\u0054\u000a");_gfe .WriteString ("\u0051\u000a");_dfeg :=_dg .NewContentCreator ();_dfeg .Add_q ();_dfeg .Add_rg (0,0,1);_dfeg .Add_BT ();
_dfeg .Add_Tf (*_eg .MakeName ("\u005a\u0061\u0044\u0062"),12);_dfeg .Add_Td (0,0);_dfeg .Add_ET ();_dfeg .Add_Q ();_cca :=_dc .NewXObjectForm ();_cca .SetContentStream (_dfeg .Bytes (),_eg .NewRawEncoder ());_cca .BBox =_eg .MakeArrayFromFloats ([]float64 {0,0,_bdcb ,_eaef });
_cca .Resources =_dc .NewPdfPageResources ();_cca .Resources .SetFontByName ("\u005a\u0061\u0044\u0062",_bgc .ToPdfObject ());_dfeg =_dg .NewContentCreator ();_dfeg .Add_q ();_dfeg .Add_re (0,0,_bdcb ,_eaef );_dfeg .Add_W ().Add_n ();_dfeg .Add_rg (0,0,1);
_dfeg .Translate (0,3.0);_dfeg .Add_BT ();_dfeg .Add_Tf (*_eg .MakeName ("\u005a\u0061\u0044\u0062"),12);_dfeg .Add_Td (0,0);_dfeg .Add_Tj (*_eg .MakeString ("\u0034"));_dfeg .Add_ET ();_dfeg .Add_Q ();_afc :=_dc .NewXObjectForm ();_afc .SetContentStream (_dfeg .Bytes (),_eg .NewRawEncoder ());
_afc .BBox =_eg .MakeArrayFromFloats ([]float64 {0,0,_bdcb ,_eaef });_afc .Resources =_dc .NewPdfPageResources ();_afc .Resources .SetFontByName ("\u005a\u0061\u0044\u0062",_bgc .ToPdfObject ());_gbg :=_eg .MakeDict ();_gbg .Set ("\u004f\u0066\u0066",_cca .ToPdfObject ());
_gbg .Set ("\u0059\u0065\u0073",_afc .ToPdfObject ());_aebd :=_eg .MakeDict ();_aebd .Set ("\u004e",_gbg );_agef .AP =_aebd ;_agef .AS =_eg .MakeName (_bee );_efa .Annotations =append (_efa .Annotations ,_agef );return _efa ,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 *_dc .PdfSignature ,lines []*SignatureLine ,opts *SignatureFieldOpts )(*_dc .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");
};_caffe ,_cfb :=_bdb (lines ,opts );if _cfb !=nil {return nil ,_cfb ;};_cggc :=_dc .NewPdfFieldSignature (signature );_cggc .Rect =_eg .MakeArrayFromFloats (opts .Rect );_cggc .AP =_caffe ;return _cggc ,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 _bggf (_eegg *_dc .PdfFieldButton ,_fecd *_dc .PdfAnnotationWidget ,_fgeb AppearanceStyle )(*_eg .PdfObjectDictionary ,error ){_facd ,_bgeb :=_eg .GetArray (_fecd .Rect );
if !_bgeb {return nil ,_ff .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");};_febbb ,_eggf :=_dc .NewPdfRectangle (*_facd );if _eggf !=nil {return nil ,_eggf ;};_bccc ,_ceea :=_febbb .Width (),_febbb .Height ();_daca :=_dg .NewContentCreator ();
if _fgeb .BorderSize > 0{_gffg (_daca ,_fgeb ,_bccc ,_ceea );};if _fgeb .DrawAlignmentReticle {_bfd :=_fgeb ;_bfd .BorderSize =0.2;_dbfg (_daca ,_bfd ,_bccc ,_ceea );};_bec :=_eegg .GetFillImage ();_bdgd ,_eggf :=_bbdf (_bccc ,_ceea ,_bec ,_fgeb );if _eggf !=nil {return nil ,_eggf ;
};_dfea ,_egdc :=_eg .GetDict (_fecd .MK );if _egdc {_dfea .Set ("\u006c",_bdgd .ToPdfObject ());};_fgfa :=_eg .MakeDict ();_fgfa .Set ("\u0046\u0052\u004d",_bdgd .ToPdfObject ());_daeg :=_dc .NewPdfPageResources ();_daeg .ProcSet =_eg .MakeArray (_eg .MakeName ("\u0050\u0044\u0046"));
_daeg .XObject =_fgfa ;_afa :=_bccc -2;_dcf :=_ceea -2;_daca .Add_q ();_daca .Add_re (1,1,_afa ,_dcf );_daca .Add_W ();_daca .Add_n ();_afa -=2;_dcf -=2;_daca .Add_q ();_daca .Add_re (2,2,_afa ,_dcf );_daca .Add_W ();_daca .Add_n ();_ddbf :=_f .Min (_afa /float64 (_bec .Width ),_dcf /float64 (_bec .Height ));
_daca .Add_cm (_ddbf ,0,0,_ddbf ,(_bccc /2)-(float64 (_bec .Width )*_ddbf /2)+2,2);_daca .Add_Do ("\u0046\u0052\u004d");_daca .Add_Q ();_daca .Add_Q ();_facf :=_dc .NewXObjectForm ();_facf .FormType =_eg .MakeInteger (1);_facf .Resources =_daeg ;_facf .BBox =_eg .MakeArrayFromFloats ([]float64 {0,0,_bccc ,_ceea });
_facf .Matrix =_eg .MakeArrayFromFloats ([]float64 {1.0,0.0,0.0,1.0,0.0,0.0});_facf .SetContentStream (_daca .Bytes (),_cabg ());_ebda :=_eg .MakeDict ();_ebda .Set ("\u004e",_facf .ToPdfObject ());return _ebda ,nil ;};func _ac (_feb CircleAnnotationDef ,_bbc string )([]byte ,*_dc .PdfRectangle ,*_dc .PdfRectangle ,error ){_gbd :=_df .Circle {X :_feb .X ,Y :_feb .Y ,Width :_feb .Width ,Height :_feb .Height ,FillEnabled :_feb .FillEnabled ,FillColor :_feb .FillColor ,BorderEnabled :_feb .BorderEnabled ,BorderWidth :_feb .BorderWidth ,BorderColor :_feb .BorderColor ,Opacity :_feb .Opacity };
_gd ,_dgc ,_ga :=_gbd .Draw (_bbc );if _ga !=nil {return nil ,nil ,nil ,_ga ;};_aec :=&_dc .PdfRectangle {};_aec .Llx =_feb .X +_dgc .Llx ;_aec .Lly =_feb .Y +_dgc .Lly ;_aec .Urx =_feb .X +_dgc .Urx ;_aec .Ury =_feb .Y +_dgc .Ury ;return _gd ,_dgc ,_aec ,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 ;func (_ccc *AppearanceStyle )applyAppearanceCharacteristics (_dgdc *_eg .PdfObjectDictionary ,_edea *_eg .PdfObjectDictionary ,_ced *_dc .PdfFont )error {if !_ccc .AllowMK {return nil ;};if CA ,_fdaf :=_eg .GetString (_dgdc .Get ("\u0043\u0041"));
_fdaf &&_ced !=nil {_cce :=CA .Bytes ();if len (_cce )!=0{_eab :=[]rune (_ced .Encoder ().Decode (_cce ));if len (_eab )==1{_ccc .CheckmarkRune =_eab [0];};};};if BC ,_acg :=_eg .GetArray (_dgdc .Get ("\u0042\u0043"));_acg {_gfcb ,_dfb :=BC .ToFloat64Array ();
if _dfb !=nil {return _dfb ;};switch len (_gfcb ){case 1:_ccc .BorderColor =_dc .NewPdfColorDeviceGray (_gfcb [0]);case 3:_ccc .BorderColor =_dc .NewPdfColorDeviceRGB (_gfcb [0],_gfcb [1],_gfcb [2]);case 4:_ccc .BorderColor =_dc .NewPdfColorDeviceCMYK (_gfcb [0],_gfcb [1],_gfcb [2],_gfcb [3]);
default:_a .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 (_gfcb ));
};if _edea !=nil {if _ecbc ,_degc :=_eg .GetNumberAsFloat (_edea .Get ("\u0057"));_degc ==nil {_ccc .BorderSize =_ecbc ;};};};if BG ,_adagb :=_eg .GetArray (_dgdc .Get ("\u0042\u0047"));_adagb {_gae ,_dcc :=BG .ToFloat64Array ();if _dcc !=nil {return _dcc ;
};switch len (_gae ){case 1:_ccc .FillColor =_dc .NewPdfColorDeviceGray (_gae [0]);case 3:_ccc .FillColor =_dc .NewPdfColorDeviceRGB (_gae [0],_gae [1],_gae [2]);case 4:_ccc .FillColor =_dc .NewPdfColorDeviceCMYK (_gae [0],_gae [1],_gae [2],_gae [3]);default:_a .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 (_gae ));
};};return nil ;};

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

// 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 *_dc .PdfPage ,name string ,rect []float64 ,opt ComboboxFieldOptions )(*_dc .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");
};_ddc :=_dc .NewPdfField ();_cbca :=&_dc .PdfFieldChoice {};_ddc .SetContext (_cbca );_cbca .PdfField =_ddc ;_cbca .T =_eg .MakeString (name );_cbca .Opt =_eg .MakeArray ();for _ ,_dbgf :=range opt .Choices {_cbca .Opt .Append (_eg .MakeString (_dbgf ));
};_cbca .SetFlag (_dc .FieldFlagCombo );_cag :=_dc .NewPdfAnnotationWidget ();_cag .Rect =_eg .MakeArrayFromFloats (rect );_cag .P =page .ToPdfObject ();_cag .F =_eg .MakeInteger (4);_cag .Parent =_cbca .ToPdfObject ();_cbca .Annotations =append (_cbca .Annotations ,_cag );
return _cbca ,nil ;};func _gba (_bcf LineAnnotationDef ,_fdbc string )([]byte ,*_dc .PdfRectangle ,*_dc .PdfRectangle ,error ){_cgf :=_df .Line {X1 :0,Y1 :0,X2 :_bcf .X2 -_bcf .X1 ,Y2 :_bcf .Y2 -_bcf .Y1 ,LineColor :_bcf .LineColor ,Opacity :_bcf .Opacity ,LineWidth :_bcf .LineWidth ,LineEndingStyle1 :_bcf .LineEndingStyle1 ,LineEndingStyle2 :_bcf .LineEndingStyle2 };
_deag ,_bead ,_gacee :=_cgf .Draw (_fdbc );if _gacee !=nil {return nil ,nil ,nil ,_gacee ;};_edbb :=&_dc .PdfRectangle {};_edbb .Llx =_bcf .X1 +_bead .Llx ;_edbb .Lly =_bcf .Y1 +_bead .Lly ;_edbb .Urx =_bcf .X1 +_bead .Urx ;_edbb .Ury =_bcf .Y1 +_bead .Ury ;
return _deag ,_bead ,_edbb ,nil ;};

// GenerateAppearanceDict generates an appearance dictionary for widget annotation `wa` for the `field` in `form`.
// Implements interface model.FieldAppearanceGenerator.
func (_gac ImageFieldAppearance )GenerateAppearanceDict (form *_dc .PdfAcroForm ,field *_dc .PdfField ,wa *_dc .PdfAnnotationWidget )(*_eg .PdfObjectDictionary ,error ){_ ,_cbed :=field .GetContext ().(*_dc .PdfFieldButton );if !_cbed {_a .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 ;};_fggg ,_agca :=_eg .GetDict (wa .AP );if _agca &&_gac .OnlyIfMissing {_a .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 _fggg ,nil ;};if form .DR ==nil {form .DR =_dc .NewPdfPageResources ();};switch _fbf :=field .GetContext ().(type ){case *_dc .PdfFieldButton :if _fbf .IsPush (){_cac ,_gace :=_bggf (_fbf ,wa ,_gac .Style ());if _gace !=nil {return nil ,_gace ;};
return _cac ,nil ;};};return nil ,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 ;_af *AppearanceStyle ;};

// 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 *_dc .PdfColorDeviceRGB ;Opacity float64 ;LineWidth float64 ;LineEndingStyle1 _df .LineEndingStyle ;LineEndingStyle2 _df .LineEndingStyle ;};

// TextFieldOptions defines optional parameter for a text field in a form.
type TextFieldOptions struct{MaxLen int ;Value string ;};const (_ba quadding =0;_aff quadding =1;_bd quadding =2;_bfg float64 =2.0;);

// 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 *_dc .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 _dc .PdfColor ;

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

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

// BorderColor represents the border color of the appearance annotation area.
BorderColor _dc .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 _eg .StreamEncoder ;

// ImagePosition specifies the image location relative to the text signature.
ImagePosition SignatureImagePosition ;};func _ded (_cedc RectangleAnnotationDef ,_gafd string )([]byte ,*_dc .PdfRectangle ,*_dc .PdfRectangle ,error ){_ebdef :=_df .Rectangle {X :0,Y :0,Width :_cedc .Width ,Height :_cedc .Height ,FillEnabled :_cedc .FillEnabled ,FillColor :_cedc .FillColor ,BorderEnabled :_cedc .BorderEnabled ,BorderWidth :2*_cedc .BorderWidth ,BorderColor :_cedc .BorderColor ,Opacity :_cedc .Opacity };
_gffb ,_edffd ,_adcg :=_ebdef .Draw (_gafd );if _adcg !=nil {return nil ,nil ,nil ,_adcg ;};_dcff :=&_dc .PdfRectangle {};_dcff .Llx =_cedc .X +_edffd .Llx ;_dcff .Lly =_cedc .Y +_edffd .Lly ;_dcff .Urx =_cedc .X +_edffd .Urx ;_dcff .Ury =_cedc .Y +_edffd .Ury ;
return _gffb ,_edffd ,_dcff ,nil ;};func _caag (_aecb *_dc .PdfAcroForm ,_fdac *_dc .PdfAnnotationWidget ,_gdda *_dc .PdfFieldChoice ,_bef AppearanceStyle )(*_eg .PdfObjectDictionary ,error ){_adag ,_edb :=_eg .GetArray (_fdac .Rect );if !_edb {return nil ,_ff .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0052\u0065\u0063\u0074");
};_bca ,_gdfb :=_dc .NewPdfRectangle (*_adag );if _gdfb !=nil {return nil ,_gdfb ;};_gdbe ,_gge :=_bca .Width (),_bca .Height ();_a .Log .Debug ("\u0043\u0068\u006f\u0069\u0063\u0065\u002c\u0020\u0077\u0061\u0020\u0042S\u003a\u0020\u0025\u0076",_fdac .BS );
_gdg ,_gdfb :=_dg .NewContentStreamParser (_ffb (_gdda .PdfField )).Parse ();if _gdfb !=nil {return nil ,_gdfb ;};_dbga ,_cbe :=_eg .GetDict (_fdac .MK );if _cbe {_cffd ,_ :=_eg .GetDict (_fdac .BS );_bage :=_bef .applyAppearanceCharacteristics (_dbga ,_cffd ,nil );
if _bage !=nil {return nil ,_bage ;};};_geg :=_eg .MakeDict ();for _ ,_afeg :=range _gdda .Opt .Elements (){if _beb ,_fcfa :=_eg .GetArray (_afeg );_fcfa &&_beb .Len ()==2{_afeg =_beb .Get (1);};var _egdf string ;if _edc ,_cgeg :=_eg .GetString (_afeg );
_cgeg {_egdf =_edc .Decoded ();}else if _bgdc ,_fdb :=_eg .GetName (_afeg );_fdb {_egdf =_bgdc .String ();}else {_a .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",_afeg );
return nil ,_ff .New ("\u006e\u006f\u0074\u0020\u0061\u0020\u006e\u0061\u006d\u0065\u002f\u0073t\u0072\u0069\u006e\u0067");};if len (_egdf )> 0{_edd ,_ccfe :=_fed (_gdda .PdfField ,_gdbe ,_gge ,_egdf ,_bef ,_gdg ,_aecb .DR ,_dbga );if _ccfe !=nil {return nil ,_ccfe ;
};_geg .Set (*_eg .MakeName (_egdf ),_edd .ToPdfObject ());};};_caf :=_eg .MakeDict ();_caf .Set ("\u004e",_geg );return _caf ,nil ;};func _bdb (_acf []*SignatureLine ,_gcdd *SignatureFieldOpts )(*_eg .PdfObjectDictionary ,error ){if _gcdd ==nil {_gcdd =NewSignatureFieldOpts ();
};var _gebc error ;var _caff *_eg .PdfObjectName ;_ebde :=_gcdd .Font ;if _ebde !=nil {_dagb ,_ :=_ebde .GetFontDescriptor ();if _dagb !=nil {if _dbeb ,_afgc :=_dagb .FontName .(*_eg .PdfObjectName );_afgc {_caff =_dbeb ;};};if _caff ==nil {_caff =_eg .MakeName ("\u0046\u006f\u006et\u0031");
};}else {if _ebde ,_gebc =_dc .NewStandard14Font ("\u0048e\u006c\u0076\u0065\u0074\u0069\u0063a");_gebc !=nil {return nil ,_gebc ;};_caff =_eg .MakeName ("\u0048\u0065\u006c\u0076");};_fgg :=_gcdd .FontSize ;if _fgg <=0{_fgg =10;};if _gcdd .LineHeight <=0{_gcdd .LineHeight =1;
};_ecgf :=_gcdd .LineHeight *_fgg ;_bbb ,_dcdd :=_ebde .GetRuneMetrics (' ');if !_dcdd {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");
};_bbaa :=_bbb .Wx ;var _bcc float64 ;var _ebe []string ;for _ ,_gfde :=range _acf {if _gfde .Text ==""{continue ;};_aed :=_gfde .Text ;if _gfde .Desc !=""{_aed =_gfde .Desc +"\u003a\u0020"+_aed ;};_ebe =append (_ebe ,_aed );var _fdafd float64 ;for _ ,_cefb :=range _aed {_aaa ,_fcdb :=_ebde .GetRuneMetrics (_cefb );
if !_fcdb {continue ;};_fdafd +=_aaa .Wx ;};if _fdafd > _bcc {_bcc =_fdafd ;};};_bcc =_bcc *_fgg /1000.0;_aad :=float64 (len (_ebe ))*_ecgf ;_abfa :=_gcdd .Image !=nil ;_ebg :=_gcdd .Rect ;if _ebg ==nil {_ebg =[]float64 {0,0,_bcc ,_aad };if _abfa {_ebg [2]=_bcc *2;
_ebg [3]=_aad *2;};_gcdd .Rect =_ebg ;};_cbf :=_ebg [2]-_ebg [0];_cfa :=_ebg [3]-_ebg [1];_dcdce ,_adcd :=_ebg ,_ebg ;var _ffe ,_dcbg float64 ;if _abfa &&len (_ebe )> 0{if _gcdd .ImagePosition <=SignatureImageRight {_fcc :=[]float64 {_ebg [0],_ebg [1],_ebg [0]+(_cbf /2),_ebg [3]};
_afgb :=[]float64 {_ebg [0]+(_cbf /2),_ebg [1],_ebg [2],_ebg [3]};if _gcdd .ImagePosition ==SignatureImageLeft {_dcdce ,_adcd =_fcc ,_afgb ;}else {_dcdce ,_adcd =_afgb ,_fcc ;};}else {_eege :=[]float64 {_ebg [0],_ebg [1],_ebg [2],_ebg [1]+(_cfa /2)};_cfgf :=[]float64 {_ebg [0],_ebg [1]+(_cfa /2),_ebg [2],_ebg [3]};
if _gcdd .ImagePosition ==SignatureImageTop {_dcdce ,_adcd =_cfgf ,_eege ;}else {_dcdce ,_adcd =_eege ,_cfgf ;};};};_ffe =_adcd [2]-_adcd [0];_dcbg =_adcd [3]-_adcd [1];var _gdea float64 ;if _gcdd .AutoSize {if _bcc > _ffe ||_aad > _dcbg {_gbfc :=_f .Min (_ffe /_bcc ,_dcbg /_aad );
_fgg *=_gbfc ;};_ecgf =_gcdd .LineHeight *_fgg ;_gdea +=(_dcbg -float64 (len (_ebe ))*_ecgf )/2;};_cecg :=_dg .NewContentCreator ();_befbe :=_dc .NewPdfPageResources ();_befbe .SetFontByName (*_caff ,_ebde .ToPdfObject ());if _gcdd .BorderSize <=0{_gcdd .BorderSize =0;
_gcdd .BorderColor =_dc .NewPdfColorDeviceGray (1);};if _gcdd .BorderColor ==nil {_gcdd .BorderColor =_dc .NewPdfColorDeviceGray (1);};if _gcdd .FillColor ==nil {_gcdd .FillColor =_dc .NewPdfColorDeviceGray (1);};_cecg .Add_q ().SetNonStrokingColor (_gcdd .FillColor ).SetStrokingColor (_gcdd .BorderColor ).Add_w (_gcdd .BorderSize ).Add_re (_ebg [0],_ebg [1],_cbf ,_cfa ).Add_B ().Add_Q ();
if _gcdd .WatermarkImage !=nil {_ddea :=[]float64 {_ebg [0],_ebg [1],_ebg [2],_ebg [3]};_bab ,_gdae ,_cccf :=_dgfg (_gcdd .WatermarkImage ,"\u0049\u006d\u0061\u0067\u0065\u0057\u0061\u0074\u0065r\u006d\u0061\u0072\u006b",_gcdd ,_ddea ,_cecg );if _cccf !=nil {return nil ,_cccf ;
};_befbe .SetXObjectImageByName (*_bab ,_gdae );};_cecg .Add_q ();_cecg .Translate (_adcd [0],_adcd [3]-_ecgf -_gdea );_cecg .Add_BT ();_bdc :=_ebde .Encoder ();for _ ,_bdbg :=range _ebe {var _bce []byte ;for _ ,_gbfe :=range _bdbg {if _dbg .IsSpace (_gbfe ){if len (_bce )> 0{_cecg .SetNonStrokingColor (_gcdd .TextColor ).Add_Tf (*_caff ,_fgg ).Add_TL (_ecgf ).Add_TJ ([]_eg .PdfObject {_eg .MakeStringFromBytes (_bce )}...);
_bce =nil ;};_cecg .Add_Tf (*_caff ,_fgg ).Add_TL (_ecgf ).Add_TJ ([]_eg .PdfObject {_eg .MakeFloat (-_bbaa )}...);}else {_bce =append (_bce ,_bdc .Encode (string (_gbfe ))...);};};if len (_bce )> 0{_cecg .SetNonStrokingColor (_gcdd .TextColor ).Add_Tf (*_caff ,_fgg ).Add_TL (_ecgf ).Add_TJ ([]_eg .PdfObject {_eg .MakeStringFromBytes (_bce )}...);
};_cecg .Add_Td (0,-_ecgf );};_cecg .Add_ET ();_cecg .Add_Q ();if _abfa {_edg ,_affb ,_gegd :=_dgfg (_gcdd .Image ,"\u0049\u006d\u0061\u0067\u0065\u0053\u0069\u0067\u006ea\u0074\u0075\u0072\u0065",_gcdd ,_dcdce ,_cecg );if _gegd !=nil {return nil ,_gegd ;
};_befbe .SetXObjectImageByName (*_edg ,_affb );};_eff :=_dc .NewXObjectForm ();_eff .Resources =_befbe ;_eff .BBox =_eg .MakeArrayFromFloats (_ebg );_eff .SetContentStream (_cecg .Bytes (),_cabg ());_cabgf :=_eg .MakeDict ();_cabgf .Set ("\u004e",_eff .ToPdfObject ());
return _cabgf ,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 *_dc .PdfColorDeviceRGB ;BorderEnabled bool ;BorderWidth float64 ;BorderColor *_dc .PdfColorDeviceRGB ;Opacity float64 ;};func _fed (_gebb *_dc .PdfField ,_bgg ,_gefd float64 ,_gcd string ,_bebc AppearanceStyle ,_efd *_dg .ContentStreamOperations ,_gffd *_dc .PdfPageResources ,_gec *_eg .PdfObjectDictionary )(*_dc .XObjectForm ,error ){_gfd :=_dc .NewPdfPageResources ();
_dbgg ,_bbad :=_bgg ,_gefd ;_dcdc :=_dg .NewContentCreator ();if _bebc .BorderSize > 0{_gffg (_dcdc ,_bebc ,_bgg ,_gefd );};if _bebc .DrawAlignmentReticle {_cbg :=_bebc ;_cbg .BorderSize =0.2;_dbfg (_dcdc ,_cbg ,_bgg ,_gefd );};_dcdc .Add_BMC ("\u0054\u0078");
_dcdc .Add_q ();_dcdc .Add_BT ();_bgg ,_gefd =_bebc .applyRotation (_gec ,_bgg ,_gefd ,_dcdc );_ggg ,_ccd ,_gaa :=_bebc .processDA (_gebb ,_efd ,_gffd ,_gfd ,_dcdc );if _gaa !=nil {return nil ,_gaa ;};_fgb :=_ggg .Font ;_cbc :=_ggg .Size ;_febb :=_eg .MakeName (_ggg .Name );
_gbec :=_cbc ==0;if _gbec &&_ccd {_cbc =_gefd *_bebc .AutoFontSizeFraction ;};_gcc :=_fgb .Encoder ();if _gcc ==nil {_a .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");
_gcc =_da .NewIdentityTextEncoder ("\u0049\u0064\u0065\u006e\u0074\u0069\u0074\u0079\u002d\u0048");};if len (_gcd )==0{return nil ,nil ;};_adec :=_bfg ;if _bebc .MarginLeft !=nil {_adec =*_bebc .MarginLeft ;};_ggbf :=0.0;if _gcc !=nil {for _ ,_ddb :=range _gcd {_gce ,_bae :=_fgb .GetRuneMetrics (_ddb );
if !_bae {_a .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",_ddb );
continue ;};_ggbf +=_gce .Wx ;};_gcd =string (_gcc .Encode (_gcd ));};if _cbc ==0||_gbec &&_ggbf > 0&&_adec +_ggbf *_cbc /1000.0> _bgg {_cbc =0.95*1000.0*(_bgg -_adec )/_ggbf ;};_adga :=1.0*_cbc ;_bac :=2.0;{_cgec :=_adga ;if _gbec &&_bac +_cgec > _gefd {_cbc =0.95*(_gefd -_bac );
_adga =1.0*_cbc ;_cgec =_adga ;};if _gefd > _cgec {_bac =(_gefd -_cgec )/2.0;_bac +=1.50;};};_dcdc .Add_Tf (*_febb ,_cbc );_dcdc .Add_Td (_adec ,_bac );_dcdc .Add_Tj (*_eg .MakeString (_gcd ));_dcdc .Add_ET ();_dcdc .Add_Q ();_dcdc .Add_EMC ();_cgb :=_dc .NewXObjectForm ();
_cgb .Resources =_gfd ;_cgb .BBox =_eg .MakeArrayFromFloats ([]float64 {0,0,_dbgg ,_bbad });_cgb .SetContentStream (_dcdc .Bytes (),_cabg ());return _cgb ,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 *_dc .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 ;};

// CreateRectangleAnnotation creates a rectangle annotation object that can be added to page PDF annotations.
func CreateRectangleAnnotation (rectDef RectangleAnnotationDef )(*_dc .PdfAnnotation ,error ){_abbe :=_dc .NewPdfAnnotationSquare ();if rectDef .BorderEnabled {_aef ,_gebce ,_bcb :=rectDef .BorderColor .R (),rectDef .BorderColor .G (),rectDef .BorderColor .B ();
_abbe .C =_eg .MakeArrayFromFloats ([]float64 {_aef ,_gebce ,_bcb });_efb :=_dc .NewBorderStyle ();_efb .SetBorderWidth (rectDef .BorderWidth );_abbe .BS =_efb .ToPdfObject ();};if rectDef .FillEnabled {_bbbg ,_cebg ,_fdg :=rectDef .FillColor .R (),rectDef .FillColor .G (),rectDef .FillColor .B ();
_abbe .IC =_eg .MakeArrayFromFloats ([]float64 {_bbbg ,_cebg ,_fdg });}else {_abbe .IC =_eg .MakeArrayFromIntegers ([]int {});};if rectDef .Opacity < 1.0{_abbe .CA =_eg .MakeFloat (rectDef .Opacity );};_aaef ,_dgcg ,_ffg :=_cbgg (rectDef );if _ffg !=nil {return nil ,_ffg ;
};_abbe .AP =_aaef ;_abbe .Rect =_eg .MakeArrayFromFloats ([]float64 {_dgcg .Llx ,_dgcg .Lly ,_dgcg .Urx ,_dgcg .Ury });return _abbe .PdfAnnotation ,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 *_dc .PdfPage ,name string ,rect []float64 ,opt ImageFieldOptions )(*_dc .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");
};_cgg :=_dc .NewPdfField ();_fade :=&_dc .PdfFieldButton {};_fade .PdfField =_cgg ;_cgg .SetContext (_fade );_fade .SetType (_dc .ButtonTypePush );_fade .T =_eg .MakeString (name );_fbe :=_dc .NewPdfAnnotationWidget ();_fbe .Rect =_eg .MakeArrayFromFloats (rect );
_fbe .P =page .ToPdfObject ();_fbe .F =_eg .MakeInteger (4);_fbe .Parent =_fade .ToPdfObject ();_dabc :=rect [2]-rect [0];_cfff :=rect [3]-rect [1];_gfgg :=opt ._ffbc ;_efgb :=_dg .NewContentCreator ();if _gfgg .BorderSize > 0{_gffg (_efgb ,_gfgg ,_dabc ,_cfff );
};if _gfgg .DrawAlignmentReticle {_afed :=_gfgg ;_afed .BorderSize =0.2;_dbfg (_efgb ,_afed ,_dabc ,_cfff );};_gffe ,_aadc :=_bbdf (_dabc ,_cfff ,opt .Image ,_gfgg );if _aadc !=nil {return nil ,_aadc ;};_cfc ,_aag :=_eg .GetDict (_fbe .MK );if _aag {_cfc .Set ("\u006c",_gffe .ToPdfObject ());
};_aacc :=_eg .MakeDict ();_aacc .Set ("\u0046\u0052\u004d",_gffe .ToPdfObject ());_gcbb :=_dc .NewPdfPageResources ();_gcbb .ProcSet =_eg .MakeArray (_eg .MakeName ("\u0050\u0044\u0046"));_gcbb .XObject =_aacc ;_bea :=_dabc -2;_bbe :=_cfff -2;_efgb .Add_q ();
_efgb .Add_re (1,1,_bea ,_bbe );_efgb .Add_W ();_efgb .Add_n ();_bea -=2;_bbe -=2;_efgb .Add_q ();_efgb .Add_re (2,2,_bea ,_bbe );_efgb .Add_W ();_efgb .Add_n ();_cbcg :=_f .Min (_bea /float64 (opt .Image .Width ),_bbe /float64 (opt .Image .Height ));_efgb .Add_cm (_cbcg ,0,0,_cbcg ,(_dabc /2)-(float64 (opt .Image .Width )*_cbcg /2)+2,2);
_efgb .Add_Do ("\u0046\u0052\u004d");_efgb .Add_Q ();_efgb .Add_Q ();_cde :=_dc .NewXObjectForm ();_cde .FormType =_eg .MakeInteger (1);_cde .Resources =_gcbb ;_cde .BBox =_eg .MakeArrayFromFloats ([]float64 {0,0,_dabc ,_cfff });_cde .Matrix =_eg .MakeArrayFromFloats ([]float64 {1.0,0.0,0.0,1.0,0.0,0.0});
_cde .SetContentStream (_efgb .Bytes (),_cabg ());_cbfc :=_eg .MakeDict ();_cbfc .Set ("\u004e",_cde .ToPdfObject ());_fbe .AP =_cbfc ;_fade .Annotations =append (_fade .Annotations ,_fbe );return _fade ,nil ;};type quadding int ;

// CreateLineAnnotation creates a line annotation object that can be added to page PDF annotations.
func CreateLineAnnotation (lineDef LineAnnotationDef )(*_dc .PdfAnnotation ,error ){_dbebc :=_dc .NewPdfAnnotationLine ();_dbebc .L =_eg .MakeArrayFromFloats ([]float64 {lineDef .X1 ,lineDef .Y1 ,lineDef .X2 ,lineDef .Y2 });_agdb :=_eg .MakeName ("\u004e\u006f\u006e\u0065");
if lineDef .LineEndingStyle1 ==_df .LineEndingStyleArrow {_agdb =_eg .MakeName ("C\u006c\u006f\u0073\u0065\u0064\u0041\u0072\u0072\u006f\u0077");};_dfa :=_eg .MakeName ("\u004e\u006f\u006e\u0065");if lineDef .LineEndingStyle2 ==_df .LineEndingStyleArrow {_dfa =_eg .MakeName ("C\u006c\u006f\u0073\u0065\u0064\u0041\u0072\u0072\u006f\u0077");
};_dbebc .LE =_eg .MakeArray (_agdb ,_dfa );if lineDef .Opacity < 1.0{_dbebc .CA =_eg .MakeFloat (lineDef .Opacity );};_eefc ,_ggcg ,_aaed :=lineDef .LineColor .R (),lineDef .LineColor .G (),lineDef .LineColor .B ();_dbebc .IC =_eg .MakeArrayFromFloats ([]float64 {_eefc ,_ggcg ,_aaed });
_dbebc .C =_eg .MakeArrayFromFloats ([]float64 {_eefc ,_ggcg ,_aaed });_feea :=_dc .NewBorderStyle ();_feea .SetBorderWidth (lineDef .LineWidth );_dbebc .BS =_feea .ToPdfObject ();_abff ,_eecb ,_abfc :=_afb (lineDef );if _abfc !=nil {return nil ,_abfc ;
};_dbebc .AP =_abff ;_dbebc .Rect =_eg .MakeArrayFromFloats ([]float64 {_eecb .Llx ,_eecb .Lly ,_eecb .Urx ,_eecb .Ury });return _dbebc .PdfAnnotation ,nil ;};func _cabg ()_eg .StreamEncoder {return _eg .NewFlateEncoder ()};

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