/usr/include/root/TTF.h is in libroot-graf2d-graf-dev 5.34.19+dfsg-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Olivier Couet 01/10/02
// Author: Fons Rademakers 21/11/98
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TTF
#define ROOT_TTF
//////////////////////////////////////////////////////////////////////////
// //
// TTF //
// //
// Interface to the Freetype 2 library. //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_Rtypes
#include "Rtypes.h"
#endif
#ifndef __CINT__
# include <ft2build.h>
# include FT_FREETYPE_H
# include FT_GLYPH_H
#else
typedef void* FT_Library;
typedef void* FT_Face;
typedef void* FT_CharMap;
typedef void* FT_Glyph;
typedef signed long FT_Pos;
struct FT_Vector { FT_Pos x, y; };
struct FT_BBox { FT_Pos xMin, yMin, xMax, yMax; };
struct FT_Matrix;
struct FT_Bitmap;
#endif
// Class (actually structure) containing glyphs description
class TTGlyph {
public:
UInt_t fIndex; // glyph index in face
FT_Vector fPos; // position of glyph origin
FT_Glyph fImage; // glyph image
};
class TGX11TTF;
class TGWin32;
class TMathTextRenderer;
class TTF {
friend class TGX11TTF;
friend class TGWin32;
friend class TMathTextRenderer;
protected:
enum { kTTMaxFonts = 32, kMaxGlyphs = 1024 };
static Int_t fgAscent; // string ascent, used to compute Y alignment
static FT_BBox fgCBox; // string control box
static FT_CharMap fgCharMap[kTTMaxFonts]; // font character map
static Int_t fgCurFontIdx; // current font index
static Int_t fgSymbItaFontIdx; // Symbol italic font index
static Int_t fgFontCount; // number of fonts loaded
static char *fgFontName[kTTMaxFonts]; // font name
static FT_Face fgFace[kTTMaxFonts]; // font face
static TTGlyph fgGlyphs[kMaxGlyphs]; // glyphs
static Bool_t fgHinting; // use hinting (true by default)
static Bool_t fgInit; // true if the Init has been called
static Bool_t fgKerning; // use kerning (true by default)
static FT_Library fgLibrary; // FreeType font library
static Int_t fgNumGlyphs; // number of glyphs in the string
static FT_Matrix *fgRotMatrix; // rotation matrix
static Bool_t fgSmoothing; // use anti-aliasing (true when >8 planes, false otherwise)
static Int_t fgTBlankW; // trailing blanks width
static Int_t fgWidth; // string width, used to compute X alignment
public:
static Short_t CharToUnicode(UInt_t code);
static void LayoutGlyphs();
static void PrepareString(const char *string);
static void PrepareString(const wchar_t *string);
static void SetRotationMatrix(Float_t angle);
public:
TTF() { }
virtual ~TTF();
static void Init();
static void Cleanup();
static Int_t GetAscent();
static const FT_BBox &GetBox();
static TTGlyph *GetGlyphs();
static Bool_t GetHinting();
static Bool_t GetKerning();
static Int_t GetNumGlyphs();
static FT_Matrix *GetRotMatrix();
static Bool_t GetSmoothing();
static Int_t GetWidth();
static void SetHinting(Bool_t state);
static void SetKerning(Bool_t state);
static void SetSmoothing(Bool_t state);
static void GetTextExtent(UInt_t &w, UInt_t &h, char *text);
static void GetTextExtent(UInt_t &w, UInt_t &h, wchar_t *text);
static void GetTextAdvance(UInt_t &a, char *text);
static void SetTextFont(Font_t fontnumber);
static Int_t SetTextFont(const char *fontname, Int_t italic=0);
static void SetTextSize(Float_t textsize);
static Bool_t IsInitialized();
static void Version(Int_t &major, Int_t &minor, Int_t &patch);
ClassDef(TTF,0) //Interface to TTF font handling
};
#endif
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