//---------------------------------------------------------------------------
#ifndef imageproH
#define imageproH
//---------------------------------------------------------------------------
class imagepro {
  private:

    void CopyList(int *source, int *target, int n);

    double aveDCount(int* pX, int* pY, int l);
    double energyCont(double ave, int i, int* pX, int* pY, int xs, int ys, int l);
    double energyCurv(int i, int* pX, int* pY, int xs, int ys, int l);
    double energyIm(int i, int* pX, int* pY, int xs, int ys);
    
  public:
    //Copies TImage object data to unsigned char *
    void CopyImageToPtr(TImage *Image, unsigned char *Ptr);

    //Copies data of unsigned char * to TImage object
    void CopyPtrToImage(unsigned char *Ptr, TImage *Image);

    //constructor, destructor
    imagepro();
    ~imagepro();

    //variables
    unsigned char *img; //original image data
    unsigned char *wrk; //image data to work on
    int H, W;   //image height & width
    int *S; // sobel result
    unsigned char *dS; //sobel result to display
    unsigned char *B; // blurring result
    int nOfIterations; //the number of iterations (overall)
    int fcounter;

    int *xL;  //list of X coordinates;
    int *yL;  //list of Y coordinates;
    int nOfPts;  //the number of points in the list

    //functions
    void LoadBMPImage(TImage *currImage, AnsiString fname);
    void SobelOperator(TImage *dImage);
    void BlurImage(TImage *dImage);
    int ReturnIntensity(int x, int y);
    int ReturnImageIntensity(int x, int y);
    void SaveBitmapImage(TImage *Image, AnsiString fname);

    void Algorithm(TImage *dImage, double alpha, double beta, double gamma, int nbhood, int distance);
    void SnakeIterations(TImage *dispImage, double alpha, double beta, double gamma, int nbhood);
    bool CalculateNewListPoints(int min_distance);
    void FirstPointToList(int x, int y, TListBox *lbox);
    void AddPointToList(int x, int y, TListBox *lbox);
    bool AddPointInBetweenList(int pos);
    void RemoveLastPixelFromList(TListBox *lbox, TImage *dImage);
    void DrawX(int x, int y, int s, TImage *dImage);
    void DrawLine(int x1, int x2, int y1, int y2, TImage *dImage);
    void DisplaySnakeResult(TImage *dImage, unsigned char *ptr, int mode);    
};
//---------------------------------------------------------------------------
#endif