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transfunc.h

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#ifndef TRANSFUNC_H
#define TRANSFUNC_H

#include "color.h"

#include <vector>


struct INDICES {
        int m_sdBegin;
        int m_sdEnd;
        unsigned char m_ucAlpha;
        COLORREF m_scColor;
};

typedef std::vector<INDICES> INDEXLIST;




class Transfunc {
private: 
        rgb *colormap; // each density will map a color
        float *opacitymap; // each density will map an opacity at a range of 0 to 1     
public: 
        Transfunc();
        Transfunc(const Transfunc &trans);

        ~Transfunc();
        bool SetDensityColor(int dens, rgb col);
        rgb GetDensityColor(int dens);
        bool SetOpacity(int dens, float opac);
        float GetOpacity(int dens);
};


#endif

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