otk/rendercolor.hh (raw)
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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*- #ifndef __rendercolor_hh #define __rendercolor_hh extern "C" { #include <X11/Xlib.h> } #include <map> namespace otk { struct RGB { int r; int g; int b; RGB(int red, int green, int blue) : r(red), g(green), b(blue) {} // color is in ARGB format RGB(unsigned long color) : r((color >> 16) & 0xff), g((color >> 8) & 0xff), b((color) & 0xff) {} }; class RenderColor { private: struct CacheItem { GC gc; unsigned long pixel; int count; CacheItem(GC g, unsigned long p) : gc(g), pixel(p), count(0) {} }; static std::map<unsigned long, CacheItem*> *_cache; int _screen; unsigned char _red; unsigned char _green; unsigned char _blue; unsigned long _pixel; GC _gc; void create(); public: static void initialize(); static void destroy(); RenderColor(int screen, unsigned char red, unsigned char green, unsigned char blue); RenderColor(int screen, RGB rgb); virtual ~RenderColor(); inline int screen() const { return _screen; } inline unsigned char red() const { return _red; } inline unsigned char green() const { return _green; } inline unsigned char blue() const { return _blue; } inline unsigned long pixel() const { return _pixel; } inline GC gc() const { return _gc; } }; } #endif // __rendercolor_hh |