github.com/unidoc/unipdf/v3@v3.55.0/render/internal/context/context.go

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// Copyright 2020 FoxyUtils ehf. All rights reserved.
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// DO NOT EDIT: generated by unitwist Go source code obfuscator.
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package context ;import (_b "errors";_g "github.com/unidoc/freetype/truetype";_d "github.com/unidoc/unipdf/v3/core";_af "github.com/unidoc/unipdf/v3/internal/cmap";_ef "github.com/unidoc/unipdf/v3/internal/textencoding";_e "github.com/unidoc/unipdf/v3/internal/transform";
_cb "github.com/unidoc/unipdf/v3/model";_fg "golang.org/x/image/font";_cd "image";_a "image/color";_f "strings";);func (_cgf *TextFont )CharcodeToRunes (charcode _ef .CharCode )(_ef .CharCode ,[]rune ){_ee :=[]_ef .CharCode {charcode };if _cgf ._edf ==nil ||_cgf ._edf ==_cgf .Font {return _cgf .charcodeToRunesSimple (charcode );
};_ffe :=_cgf ._edf .CharcodesToUnicode (_ee );_ac ,_ :=_cgf .Font .RunesToCharcodeBytes (_ffe );_ffd :=_cgf .Font .BytesToCharcodes (_ac );_gab :=charcode ;if len (_ffd )> 0&&_ffd [0]!=0{_gab =_ffd [0];};if string (_ffe )==string (_af .MissingCodeRune )&&_cgf ._edf .BaseFont ()==_cgf .Font .BaseFont (){return _cgf .charcodeToRunesSimple (charcode );
};return _gab ,_ffe ;};func (_abg *TextState )ProcTf (font *TextFont ){_abg .Tf =font };func (_cda *TextFont )GetCharMetrics (code _ef .CharCode )(float64 ,float64 ,bool ){if _eb ,_efdc :=_cda .Font .GetCharMetrics (code );_efdc &&_eb .Wx !=0{return _eb .Wx ,_eb .Wy ,_efdc ;
};if _cda ._edf ==nil {return 0,0,false ;};_fcc ,_baa :=_cda ._edf .GetCharMetrics (code );return _fcc .Wx ,_fcc .Wy ,_baa &&_fcc .Wx !=0;};type LineJoin int ;func (_ggd *TextState )ProcTD (tx ,ty float64 ){_ggd .Tl =-ty ;_ggd .ProcTd (tx ,ty )};func NewTextFont (font *_cb .PdfFont ,size float64 )(*TextFont ,error ){_beb :=font .FontDescriptor ();
if _beb ==nil {return nil ,_b .New ("\u0063\u006fu\u006c\u0064\u0020\u006e\u006f\u0074\u0020\u0067\u0065\u0074\u0020\u0066\u006f\u006e\u0074\u0020\u0064\u0065\u0073\u0063\u0072\u0069pt\u006f\u0072");};_edb ,_gea :=_d .GetStream (_beb .FontFile2 );if !_gea {return nil ,_b .New ("\u006di\u0073\u0073\u0069\u006e\u0067\u0020\u0066\u006f\u006e\u0074\u0020f\u0069\u006c\u0065\u0020\u0073\u0074\u0072\u0065\u0061\u006d");
};_efd ,_aeb :=_d .DecodeStream (_edb );if _aeb !=nil {return nil ,_aeb ;};_fd ,_aeb :=_g .Parse (_efd );if _aeb !=nil {return nil ,_aeb ;};_bdd :=font .FontDescriptor ().FontName .String ();_ead :=len (_bdd )> 7&&_bdd [6]=='+';if !_fd .HasCmap ()&&(!_f .Contains (font .Encoder ().String (),"\u0049d\u0065\u006e\u0074\u0069\u0074\u0079-")||!_ead ){return nil ,_b .New ("\u006e\u006f c\u006d\u0061\u0070 \u0061\u006e\u0064\u0020enc\u006fdi\u006e\u0067\u0020\u0069\u0073\u0020\u006eot\u0020\u0069\u0064\u0065\u006e\u0074\u0069t\u0079");
};return &TextFont {Font :font ,Size :size ,_ga :_fd },nil ;};type Pattern interface{ColorAt (_bg ,_fb int )_a .Color ;};func (_cbd *TextFont )WithSize (size float64 ,originalFont *_cb .PdfFont )*TextFont {return &TextFont {Font :_cbd .Font ,Size :size ,_ga :_cbd ._ga ,_edf :originalFont };
};func (_dae *TextState )ProcTStar (){_dae .ProcTd (0,-_dae .Tl )};type Context interface{Push ();Pop ();Matrix ()_e .Matrix ;SetMatrix (_ec _e .Matrix );Translate (_ab ,_aa float64 );Scale (_ge ,_gd float64 );Rotate (_abc float64 );MoveTo (_gc ,_eg float64 );
LineTo (_fc ,_da float64 );CubicTo (_gdb ,_cbf ,_ce ,_cg ,_ecb ,_df float64 );QuadraticTo (_dc ,_aae ,_egg ,_fa float64 );NewSubPath ();ClosePath ();ClearPath ();Clip ();ClipPreserve ();ResetClip ();LineWidth ()float64 ;SetLineWidth (_bd float64 );SetLineCap (_de LineCap );
SetLineJoin (_bc LineJoin );SetDash (_gf ...float64 );SetDashOffset (_afb float64 );Fill ();FillPreserve ();Stroke ();StrokePreserve ();SetRGBA (_ecc ,_dca ,_be ,_gb float64 );SetFillRGBA (_db ,_ca ,_gec ,_cbc float64 );SetFillStyle (_dg Pattern );SetFillRule (_ea FillRule );
SetStrokeRGBA (_dgd ,_gg ,_abe ,_dfc float64 );SetStrokeStyle (_gde Pattern );FillPattern ()Pattern ;StrokePattern ()Pattern ;TextState ()*TextState ;DrawString (_eggc string ,_ed _fg .Face ,_eccg ,_fca float64 );MeasureString (_dce string ,_ff _fg .Face )(_ege ,_aaa float64 );
DrawRectangle (_aac ,_cf ,_bgf ,_dfca float64 );DrawImage (_ba _cd .Image ,_bb ,_bga int );DrawImageAnchored (_cae _cd .Image ,_ece ,_ae int ,_aaf ,_ccb float64 );Height ()int ;Width ()int ;};func (_cdc *TextState )ProcQ (data []byte ,ctx Context ){_cdc .ProcTStar ();
_cdc .ProcTj (data ,ctx )};type TextRenderingMode int ;func NewTextFontFromPath (filePath string ,size float64 )(*TextFont ,error ){_cgb ,_dee :=_cb .NewPdfFontFromTTFFile (filePath );if _dee !=nil {return nil ,_dee ;};return NewTextFont (_cgb ,size );
};const (FillRuleWinding FillRule =iota ;FillRuleEvenOdd ;);func (_cef *TextFont )NewFace (size float64 )_fg .Face {return _g .NewFace (_cef ._ga ,&_g .Options {Size :size });};func (_gca *TextFont )BytesToCharcodes (data []byte )[]_ef .CharCode {if _gca ._edf !=nil {return _gca ._edf .BytesToCharcodes (data );
};return _gca .Font .BytesToCharcodes (data );};func (_gdbb *TextState )ProcTj (data []byte ,ctx Context ){_ccbf :=_gdbb .Tf .Size ;_ade :=_gdbb .Th /100.0;_dd :=_gdbb .GlobalScale ;_ag :=_e .NewMatrix (_ccbf *_ade ,0,0,_ccbf ,0,_gdbb .Ts );_eac :=ctx .Matrix ();
_afc :=_eac .Clone ().Mult (_gdbb .Tm .Clone ().Mult (_ag )).ScalingFactorY ();_bee :=_gdbb .Tf .NewFace (_afc );_dcb :=_gdbb .Tf .BytesToCharcodes (data );for _ ,_cbce :=range _dcb {_ded ,_dgc :=_gdbb .Tf .CharcodeToRunes (_cbce );_ebf :=string (_dgc );
if _ebf =="\u0000"{continue ;};_afa :=_eac .Clone ().Mult (_gdbb .Tm .Clone ().Mult (_ag ));_ceg :=_afa .ScalingFactorY ();_afa =_afa .Scale (1/_ceg ,-1/_ceg );if _gdbb .Tr !=TextRenderingModeInvisible {ctx .SetMatrix (_afa );ctx .DrawString (_ebf ,_bee ,0,0);
ctx .SetMatrix (_eac );};_afd :=0.0;if _ebf =="\u0020"{_afd =_gdbb .Tw ;};_dcc ,_ ,_ceb :=_gdbb .Tf .GetCharMetrics (_ded );if _ceb {_dcc =_dcc *0.001*_ccbf ;}else {_dcc ,_ =ctx .MeasureString (_ebf ,_bee );_dcc =_dcc /_dd ;};_dab :=(_dcc +_gdbb .Tc +_afd )*_ade ;
_gdbb .Tm =_gdbb .Tm .Mult (_e .TranslationMatrix (_dab ,0));};};const (LineJoinRound LineJoin =iota ;LineJoinBevel ;);func (_gcd *TextState )Reset (){_gcd .Tm =_e .IdentityMatrix ();_gcd .Tlm =_e .IdentityMatrix ()};type TextState struct{Tc float64 ;Tw float64 ;
Th float64 ;Tl float64 ;Tf *TextFont ;Ts float64 ;Tm _e .Matrix ;Tlm _e .Matrix ;Tr TextRenderingMode ;GlobalScale float64 ;};type Gradient interface{Pattern ;AddColorStop (_cc float64 ,_cde _a .Color );};func (_fge *TextState )ProcTm (a ,b ,c ,d ,e ,f float64 ){_fge .Tm =_e .NewMatrix (a ,b ,c ,d ,e ,f );
_fge .Tlm =_fge .Tm .Clone ();};func (_bdf *TextState )ProcTd (tx ,ty float64 ){_bdf .Tlm .Concat (_e .TranslationMatrix (tx ,ty ));_bdf .Tm =_bdf .Tlm .Clone ();};type TextFont struct{Font *_cb .PdfFont ;Size float64 ;_ga *_g .Font ;_edf *_cb .PdfFont ;
};const (LineCapRound LineCap =iota ;LineCapButt ;LineCapSquare ;);func NewTextState ()TextState {return TextState {Th :100,Tm :_e .IdentityMatrix (),Tlm :_e .IdentityMatrix ()};};func (_gag *TextState )Translate (tx ,ty float64 ){_gag .Tm =_gag .Tm .Mult (_e .TranslationMatrix (tx ,ty ));
};func (_cdd *TextFont )charcodeToRunesSimple (_eff _ef .CharCode )(_ef .CharCode ,[]rune ){_edd :=[]_ef .CharCode {_eff };if _cdd .Font .IsSimple ()&&_cdd ._ga !=nil {if _ad :=_cdd ._ga .Index (rune (_eff ));_ad > 0{return _eff ,[]rune {rune (_eff )};
};};if _cdd ._ga !=nil &&!_cdd ._ga .HasCmap ()&&_f .Contains (_cdd .Font .Encoder ().String (),"\u0049d\u0065\u006e\u0074\u0069\u0074\u0079-"){if _cdf :=_cdd ._ga .Index (rune (_eff ));_cdf > 0{return _eff ,[]rune {rune (_eff )};};};return _eff ,_cdd .Font .CharcodesToUnicode (_edd );
};func (_bgb *TextState )ProcDQ (data []byte ,aw ,ac float64 ,ctx Context ){_bgb .Tw =aw ;_bgb .Tc =ac ;_bgb .ProcQ (data ,ctx );};type LineCap int ;const (TextRenderingModeFill TextRenderingMode =iota ;TextRenderingModeStroke ;TextRenderingModeFillStroke ;
TextRenderingModeInvisible ;TextRenderingModeFillClip ;TextRenderingModeStrokeClip ;TextRenderingModeFillStrokeClip ;TextRenderingModeClip ;);type FillRule int ;