#ifndef FREFILTER_H
#define FREFILTER_H

#ifdef _EXPORTING
   #define FUNC_DECLSPEC    __declspec(dllexport)
#else
   #define FUNC_DECLSPEC    extern "C" int __declspec(dllimport)
#endif

//FUNC_DECLSPEC  GetEXI( unsigned short* pData,int nWidth,int nHeight,int nLeft,int nRight,int nTop,int nBottom);
bool CalWindow(int nFlag,unsigned short* pData, int nWidth,int nHeight,int &nWindowBegin, int &nWindowEnd,int l,int r,int t,int b);
bool CalWindow4NewEXI(int nFlag, int* pHistogram, int nWidth, int nHeight, int &nWindowBegin, int &nWindowEnd );
int GetAvg(int *pHistogram,int begin,int end,int nPoint,int nRange,int nGrayNum);
int GetMaxi(int *pHistogram,int nBegin,int nEnd,int nGrayNum);
int	GetMini(int *pHistogram,int nBegin,int nEnd,int nGrayNum);
void Smooth(int *pHistogram,int nGrayNum,int nTemSize);
int GetEXI4Detector( WORD* pImage, BYTE* pMask, BYTE* pMask1,int nWidth,  int nHeight, int ImageBit, int &EXI ) ;



#endif