#ifndef __DBPOLYPATH_H
#define __DBPOLYPATH_H

#ifndef _TDBENTITY_H_
#include "TDbEntity.h"
#endif

// TDbColumn
class TARCH_EXP TDbPolyPathEnt: public TDbEntity {
private: 
    void *operator new[](size_t nSize) { return 0;} 
    void operator delete[](void *p) {}; 
    void *operator new[](size_t nSize, const char *file, int line) { return 0;} 
    const static Adesk::UInt8 g_nVersion;
protected:
    AcDbSoftPointerId m_idBind;  //绑定的实体
public:
    ACRX_DECLARE_MEMBERS(TDbPolyPathEnt);   
    TDbPolyPathEnt();
    ~TDbPolyPathEnt();
    virtual BOOL IsValid() const;
    virtual void CopyPropertiesFrom(AcDbEntity *pSrcEntity, unsigned gMatchFlag);

   // Overriden function from AcDbEntity
    virtual Acad::ErrorStatus subGetOsnapPoints(
                                 AcDb::OsnapMode       osnapMode,
                                 INT_PTR                   gsSelectionMark,
                                 const AcGePoint3d&    ptPick,
                                 const AcGePoint3d&    lastPoint,
                                 const AcGeMatrix3d&   viewXform,
                                 AcGePoint3dArray&     snapPoints,
                                 AcDbIntArray&     geomIds) const;
    virtual Acad::ErrorStatus dwgOutFields(AcDbDwgFiler* pFiler) const;
    virtual Acad::ErrorStatus dwgInFields (AcDbDwgFiler*);
    virtual Acad::ErrorStatus dxfInFields (AcDbDxfFiler* pFiler);
      virtual Acad::ErrorStatus dxfOutFields(AcDbDxfFiler*) const;
   virtual Acad::ErrorStatus subGetGripPoints(AcGePoint3dArray&     gripPoints,
                                             AcDbIntArray&  osnapModes,
                                             AcDbIntArray&  geomIds) const;
   virtual Acad::ErrorStatus   subGetStretchPoints(AcGePoint3dArray & stretchPoints) const;

   virtual Acad::ErrorStatus   subTransformBy(const AcGeMatrix3d& xform);
   virtual  Acad::ErrorStatus subMoveGripPointsAt(const AcDbIntArray& indices,
                     const AcGeVector3d& offset);
   virtual  Acad::ErrorStatus subMoveStretchPointsAt(const AcDbIntArray& indices,
                     const AcGeVector3d& offset);
    Acad::ErrorStatus subDeepClone(AcDbObject*    pOwner,
		      AcDbObject*&   pClonedObject,
		      AcDbIdMapping& idMap,
		      Adesk::Boolean isPrimary) const;
   // derived from AcDbObject, Reactor函数
   virtual void erased(const AcDbObject* pDbObj, Adesk::Boolean erasing = Adesk::kTrue);
   virtual void modified(const AcDbObject* pDbObj);

    // SetMethod
    virtual void SetElevationAt(int idx, double nElev);
    virtual void SetSweepAngleAt(int idx, double nAng);
    virtual BOOL AddVertex(const XPoint &ptAdd);
    virtual BOOL RemoveVertexAt(int nPos);
    virtual void SetNormal(const XVector3D &vt);
    void UnBind();
    Acad::ErrorStatus SetBindObject(const AcDbObjectId &id);
    // GetMethos
    AcDbObjectId GetBindObjectId() const;
    BOOL IsBind() const;
    void GetLocalMatrix(const AcGeMatrix3d& xform, ads_matrix &mat) const;

    virtual XVector3D GetNormal() const;
    virtual double GetElevationAt(int idx) const;
    virtual double GetSweepAngleAt(int idx) const;
    virtual BOOL GetClosestPoint2d(const XPoint &ptTest, XPoint &ptOnCurve) const;
    // >0 命中顶点; <0 命中边; 0--没有命中
    // abs(nRet)-1 为命中目标序号
    virtual int HitTestOnBase2d(const XPoint &ptTest, double nTol=_DIST_SNAP) const;

   virtual Acad::ErrorStatus GetGripText(int i, CString &cs) const;
};

TARCH_IMPEXP int EditPolyPathEnt0(AcDbObjectId id);

#endif