tabarc.h

linux下一款GIS程序源码

// tabarc.h: interface for the TABArc class.
//
//////////////////////////////////////////////////////////////////////

#ifndef  TABArc_H
#define  TABArc_H

#include "tabfeaturepen.h"
#include "tabfeature.h"

class UGKLineString;

class TABArc : 
	public TABFeature, 
	public TABFeaturePen  
{
private:
    double      m_dStartAngle;  // In degrees, counterclockwise, 
    double      m_dEndAngle;    // starting at 3 o'clock
public:
	TABArc(UGKFeatureDefn *poDefnIn);
	virtual ~TABArc();

    virtual TABFeatureClass GetFeatureClass() { return TABFCArc; };
    virtual int             ValidateMapInfoType(TABMAPFile *poMapFile = NULL);

    virtual TABFeature *CloneTABFeature(UGKFeatureDefn *poNewDefn = NULL );

    virtual int ReadGeometryFromMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);
    virtual int WriteGeometryToMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);

    virtual int ReadGeometryFromMIFFile(MIDDATAFile *fp);
    virtual int WriteGeometryToMIFFile(MIDDATAFile *fp);

    virtual const char *GetStyleString();

    virtual void DumpMIF(FILE *fpOut = NULL);

    double      GetStartAngle() { return m_dStartAngle; };
    double      GetEndAngle()   { return m_dEndAngle; };
    void        SetStartAngle(double dAngle);
    void        SetEndAngle(double dAngle);

    // MapInfo-specific attributes... made available through public vars
    // for now.
    double      m_dCenterX;
    double      m_dCenterY;
    double      m_dXRadius;
    double      m_dYRadius;
};



#endif