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TransferFunction.h

// TransferFunction.h: Schnittstelle für die Klasse TransferFunction.
//

#if !defined(AFX_TRANSFERFUNCTION_H__F76E8A8E_FC5D_41BC_A53B_3DADA085B67D__INCLUDED_)
#define AFX_TRANSFERFUNCTION_H__F76E8A8E_FC5D_41BC_A53B_3DADA085B67D__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

//#include "FlowVis.h"

struct TransferValue
{
    float r;                      
    float g;                      
    float b;                      
};

struct TransferPoint
{
    float position;                 
    TransferValue value;            
    TransferPoint *nextPoint;       
};

class CFlowVisApp;

class TransferFunction  
{
public:
        void setRange(float min, float max);
    int reset();

        TransferValue transferDensityInterpolated(float position);
        
        int loadFromFile(char *filename);
        int saveToFile(char *filename);

    int movePoint(TransferPoint *point, float position);
        int deletePoint(TransferPoint* delPoint);
        TransferPoint* getFirstPoint();
        
        int addPoint(float position, float r, float g, float b);

        TransferFunction();
        virtual ~TransferFunction();

private:

    CFlowVisApp* m_App;
        TransferPoint* prevPoint(TransferPoint* point);

        TransferPoint *points;

    float offset;
    float scale;
};

#endif // !defined(AFX_TRANSFERFUNCTION_H__F76E8A8E_FC5D_41BC_A53B_3DADA085B67D__INCLUDED_)

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