PDFHistogram.h

// Histogram-based Probability Density function class
// Written by Sergey Kosov in 2015 for Project X
#pragma once

#include "IPDF.h"

namespace DirectGraphicalModels 
{
    // ================================ Histogram PDF Class ==============================
    class CPDFHistogram : public IPDF
    {
    public:
        DllExport CPDFHistogram(void);
        DllExport virtual ~CPDFHistogram(void);

        DllExport virtual void      reset(void);

        DllExport virtual void      addPoint(Scalar point);
        DllExport virtual double    getDensity(Scalar point); 
        DllExport virtual Scalar    min(void) const { return Scalar(0); }
        DllExport virtual Scalar    max(void) const { return Scalar(255); }

        DllExport void          smooth(int nIt = 1);    


    protected:
        DllExport virtual void  saveFile(FILE *pFile) const;
        DllExport virtual void  loadFile(FILE *pFile);


    private:
        long m_data[256];
    };

}