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exotkAIS_GraphicDevice.hxx

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//   exotkAIS_GraphicDevice.hxx
//    Copyright (C) 2001  Stephane Routelous
//
//    This file is part of exoTK.
//
//    exoTK is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    exoTK is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with exoTK; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef _exotkAIS_GraphicDevice_HeaderFile
#define _exotkAIS_GraphicDevice_HeaderFile

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#ifndef  _Handle_Aspect_GraphicDevice_HeaderFile
#include <Handle_Aspect_GraphicDevice.hxx>
#endif

class exotkAIS_GraphicDevice  
{
public:

    inline void* operator new(size_t,void* anAddress) 
      {
        return anAddress;
      }

    inline void* operator new(size_t size) 
      { 
        return Standard::Allocate(size); 
      }

    inline void  operator delete(void *anAddress) 
      { 
        if (anAddress) Standard::Free((Standard_Address&)anAddress); 
      }

        Standard_EXPORT virtual ~exotkAIS_GraphicDevice();

        Standard_EXPORT static exotkAIS_GraphicDevice* Instance();

        Standard_EXPORT Handle_Aspect_GraphicDevice& GetGraphicDevice();
protected:

        Standard_EXPORT exotkAIS_GraphicDevice();

        Standard_EXPORT void CreateGraphicDevice();
private:
        static exotkAIS_GraphicDevice* _instance;
        Handle_Aspect_GraphicDevice myGraphicDevice;

};

#endif 

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