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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 #ifndef __rendercolor_hh
   3 #define __rendercolor_hh
   4
   5 extern "C" {
   6 #include <X11/Xlib.h>
   7 }
   8
   9 #include <map>
  10
  11 namespace otk {
  12
  13 class RenderColor {
  14 public:
  15   struct RGB {
  16     int r;
  17     int g;
  18     int b;
  19     RGB(int red, int green, int blue) : r(red), g(green), b(blue) {}
  20     // color is in ARGB format
  21     RGB(unsigned long color)
  22       : r((color >> 16) & 0xff),
  23         g((color >> 8) & 0xff),
  24         b((color) & 0xff) {}
  25   };
  26
  27 private:
  28   struct CacheItem {
  29     GC gc;
  30     unsigned long pixel;
  31     int count;
  32     CacheItem(GC g, unsigned long p) : gc(g), pixel(p), count(0) {}
  33   };
  34   static std::map<unsigned long, CacheItem*> *_cache;
  35
  36   int _screen;
  37   unsigned char _red;
  38   unsigned char _green;
  39   unsigned char _blue;
  40   unsigned long _pixel;
  41
  42   GC _gc;
  43
  44   void create();
  45
  46 public:
  47   static void initialize();
  48   static void destroy();
  49
  50   RenderColor(int screen, unsigned char red,
  51               unsigned char green, unsigned char blue);
  52   RenderColor(int screen, RGB rgb);
  53   virtual ~RenderColor();
  54
  55   inline int screen() const { return _screen; }
  56   inline unsigned char red() const { return _red; }
  57   inline unsigned char green() const { return _green; }
  58   inline unsigned char blue() const { return _blue; }
  59   inline unsigned long pixel() const { return _pixel; }
  60   inline GC gc() const { return _gc; }
  61 };
  62
  63 }
  64
  65 #endif // __rendercolor_hh