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slice.h

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#ifndef SLIDE_H
#define SLIDE_H

#include "data.h"
#include "transfunc.h"


#define CLAMP0255(x) x = ((x < 0) ? 0 : ((x < 255) ? x : 255)) 


class Slice {
private:
        int m_depth;
        int m_type; // 0 for xy plane, 1 for xz plane, 2 for yz plane
        int m_x, m_y;
        int m_width, m_height;
        rgb *slice_data;

        bool m_bZoom;
        bool m_bUseTransfer;
        int m_dSliceNumber;
        Transfunc *m_tTransferfunction;


public:

        enum { XY, XZ, YZ };

        Slice();
        ~Slice();
        bool SetType(int tp);
        int GetType();

        int GetSliceNumber(Data *dat = NULL);
        
        void SetTransferfunction(Transfunc *transferfunction) { m_tTransferfunction = transferfunction; }
        bool SetPixels(Data *dat, int dp) { return SetPixels(m_tTransferfunction, dat, dp == -1 ? m_depth : dp); }

        void SetZoom(bool zoom) { m_bZoom = zoom; }
        bool GetZoom() { return m_bZoom; }

        void SetTransfer(bool transfer) { m_bUseTransfer = transfer; }
        bool GetTransfer() { return m_bUseTransfer; }
        bool SetPixels(Transfunc *tf, Data *dat, int dp);
        bool DrawSlice(int width, int height);

        void GetImageInfo(int &width, int &height, int &x, int &y, int &plane, int &depth);
        rgb *GetScreenShotImage(int &width, int &height) { width = m_width;
                                                                                                                height = m_height;
                                                                                                                return slice_data; };
};

#endif

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