// GainMatrix.h: interface for the CGainMatrix class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_GAINMATRIX_H__90E0973C_F38F_4FEE_9652_EA61383AC966__INCLUDED_)
#define AFX_GAINMATRIX_H__90E0973C_F38F_4FEE_9652_EA61383AC966__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#define GAINMATRIX_MEAN 0x10000

#define FULL_IMG_WIDTH       3072L
#define FULL_IMG_HEIGHT      2560L

class CGainMatrix  
{
public:
	bool LoadGainMap(void);
	bool LoadGainMap(const char* filename);
	bool LoadGainMap(WORD* wImage);
	bool AverageGainMap(WORD* wImage, int refenceindex);
	bool AverageGainMap(WORD* wImage, int refenceindex, bool bStart);
	bool StoreGainMap(const char* filename, int refenceindex);
	void PlaceRefrenceInOrder();
	CGainMatrix(int width, int height,int woffset=0, int hoffset=0,int refrencenum =1,WORD maxpv = 16383);
	virtual ~CGainMatrix();
	static  CGainMatrix* Instance();
	void    ApplyGainMap(WORD *wImage);


private:
	int	m_nRefrenceNum;
	int m_nRefrenceCount;
	int*   m_nAverage;
	WORD** m_wGainBuffer;
	int m_nWidth;
	int m_nHeight;
	int m_nWOffset;
	int m_nHOffset;
	static CGainMatrix* m_instance;
	unsigned w_gOffset;
	WORD m_nMaxPV;
	int m_nAverageCts;
	int m_nCurRefIndex;
};

#endif // !defined(AFX_GAINMATRIX_H__90E0973C_F38F_4FEE_9652_EA61383AC966__INCLUDED_)