Dogcows Code - chaz/openbox/blob - otk/font.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; -*-
   2 #ifndef   __Font_hh
   3 #define   __Font_hh
   4
   5 extern "C" {
   6 #include <X11/Xlib.h>
   7 #include <X11/Xft/Xft.h>
   8 }
   9
  10 #include <assert.h>
  11 #include <string>
  12
  13 namespace otk {
  14
  15 class BGCCache;
  16 class BGCCacheItem;
  17 class BColor;
  18 class ScreenInfo;
  19
  20 class BFont {
  21   /*
  22    * static members
  23    */
  24 private:
  25   static std::string  _fallback_font;
  26
  27 public:
  28   // the fallback is only used for X fonts, not for Xft fonts, since it is
  29   // assumed that X fonts will be the fallback from Xft.
  30   inline static std::string fallbackFont(void) { return _fallback_font; }
  31   inline static void setFallbackFont(const std::string &f)
  32     { _fallback_font = f; }
  33
  34   /*
  35    * instance members
  36    */
  37 private:
  38   int               _screen_num;
  39
  40   std::string       _family;
  41   bool              _simplename;  // true if not spec'd as a -*-* string
  42   int               _size;
  43   bool              _bold;
  44   bool              _italic;
  45
  46   bool              _antialias;
  47   bool              _shadow;
  48   unsigned char     _offset;
  49   unsigned char     _tint;
  50
  51   XftFont          *_xftfont;
  52
  53   bool createXftFont(void);
  54
  55   bool              _valid;
  56
  57 public:
  58   // loads an Xft font
  59   BFont(int screen_num, const std::string &family, int size,
  60         bool bold, bool italic, bool shadow, unsigned char offset,
  61         unsigned char tint, bool antialias = True);
  62   virtual ~BFont(void);
  63
  64   inline bool valid(void) const { return _valid; }
  65
  66   inline std::string family(void) const { assert(_valid); return _family; }
  67   inline int size(void) const { assert(_valid); return _size; }
  68   inline bool bold(void) const { assert(_valid); return _bold; }
  69   inline bool italic(void) const { assert(_valid); return _italic; }
  70
  71   unsigned int height(void) const;
  72   unsigned int maxCharWidth(void) const;
  73
  74   unsigned int measureString(const std::string &string) const;
  75
  76   void drawString(Drawable d, int x, int y, const BColor &color,
  77                   const std::string &string) const;
  78 };
  79
  80 }
  81
  82 #endif // __Font_hh