Font.hpp

Go to the documentation of this file.

#ifndef __blip_Font_hpp
#define __blip_Font_hpp

#include <blip/Blip.hpp>
#include <blip/Size.hpp>

#include <commonc++/DynamicCache.h++>
#include <commonc++/ScopedPtr.h++>

struct FT_FaceRec_;
struct FT_GlyphSlotRec_;
struct FT_StreamRec_;

namespace blip {

class Font;
class FontManager;
class Pixmap;

class FontGlyph
{
  friend class Font;

  public:

  ~FontGlyph();

  inline const Pixmap& getPixmap() const
  { return(*_pixmap); }

  inline int getAdvance() const
  { return(_advance); }

  inline int getLeft() const
  { return(_left); }

  inline int getTop() const
  { return(_top); }

  int getAscent() const;

  int getDescent() const;

  private:

  FontGlyph(FT_GlyphSlotRec_* glyph);

  ccxx::ScopedPtr<Pixmap> _pixmap;
  int _advance;
  int _left;
  int _top;

  CCXX_COPY_DECLS(FontGlyph);
};

class Font
{
  friend class FontManager;

  public:

  ~Font();

  static const int PLAIN;

  static const int BOLD;

  static const int ITALIC;

  const char* getName() const;

  inline int getSize() const
  { return(_size); }

  int getStyle() const;

  bool isBold() const;

  bool isItalic() const;

  int getGlyphCount() const;

  const FontGlyph* getGlyph(char16_t c) const;

  inline const FontGlyph* getGlyph(char c) const
  { return(getGlyph(static_cast<char16_t>(c))); }

  inline const FontGlyph* getGlyph(int c) const
  { return(getGlyph(static_cast<char16_t>(c & 0xFFFF))); }

  inline int getAscent() const
  { return(_ascent); }

  inline int getDescent() const
  { return(_descent); }

  inline int getHeight() const
  { return(_height); }

  inline int getMaxAdvance() const
  { return(_maxAdvance); }

  const Size& getBoundingBox() const
  { return(_boundingBox); }

  private:

  Font(FT_FaceRec_* face, FT_StreamRec_* stream, int size,
       uint_t glyphCacheSize);

  FT_FaceRec_* _face;
  FT_StreamRec_* _stream;
  int _size;
  int _ascent;
  int _descent;
  int _height;
  int _maxAdvance;
  mutable ccxx::DynamicCache<char16_t, FontGlyph> _cache;
  Size _boundingBox;

  CCXX_COPY_DECLS(Font);
};

} // namespace blip

#endif // __blip_Font_hpp