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#ifndef __openglsupport_h__ 
#define __openglsupport_h__ 
 
#include <windows.h> 
#include <gl/gl.h> 
#include <gl/glu.h> 
 
#include "vecmath.h" 
 
typedef void (* MOUSEPROC)(HWND, UINT, WPARAM, LPARAM); 
 
//! OpenGL Window Class 
class GLWindow 
{  
private: 
	HINSTANCE hInst; 
	HDC hDC;		 
	HGLRC	hRC;	 
	HWND hWnd;	 
public: 
   /*! Constructor 
    *\param hInstance Instance of application 
    *\param hWndParent Parent Window of OpenGL window 
    *\param WndProc The callback function of the OpenGL window (currently not used) 
    *\param MouseProc Mouse callback 
    */ 
   GLWindow(HINSTANCE hInstance, HWND hWndParent, WNDPROC WndProc, MOUSEPROC MouseProc); 
   ~GLWindow(); 
   /*! swaps OpenGL buffers 
    */ 
	void Swap(); 
   /*! window handle retrieval 
    *\return Window handle of OpenGL window 
    */ 
	HWND GetHWND(); 
}; 
 
#endif