MFrameBuffer.h

/**********************************************************************
Copyright (c) 2005, TomTom B.V.
All rights reserved
***********************************************************************/

#ifndef __MFRAMEBUFFER_H__
#define __MFRAMEBUFFER_H__

class MFrameBuffer
{
 public:

  virtual char*                  GetScreenBuffer()                                                                   = 0;

  virtual unsigned int   GetWidth()                                                                                  = 0; 

  virtual unsigned int   GetHeight()                                                                         = 0;

  virtual unsigned int   GetBitsPerPixel()                                                                   = 0;

  virtual unsigned int   GetPixelAddressOffset( unsigned int aX, unsigned int aY ) = 0;

  virtual ~MFrameBuffer() {};

  unsigned int GetScreenBufferSize()
  {
   return GetWidth() * 
                  GetHeight() *
                  GetBitsPerPixel() >> 3;
  }

 public:
  static MFrameBuffer& GetFrameBuffer();
};

#endif //__MFRAMEBUFFER_H__

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