#ifndef _DBLANDFORM_H
#define _DBLANDFORM_H

#include "TPGeLandform.h"

#define _CMF_NO2D          0x000001
#define _CMF_NO3D          0x000002
#define _CMF_NO_GRID3D     0x000004
#define _CMF_NO_CURVE2D    0x000008
#define _CMF_HAS_CURVE3D   0x000010
#define _CMF_SQFIT         0x000020//平方插值
#define _CMF_GRADIENT3D    0x000040// 
//大地模型
class TARCH_EXP TDbLandform: public TDbEntity
{
    DECLARE_TENTBASE();
    ACRX_DECLARE_MEMBERS(TDbLandform);
private:
    const static Adesk::UInt8 g_nVersion;
protected:
	XPoly2D m_polyOutline;
	DList<XPoly2D> m_lstEqHeightCurve;
	double m_nDistX,m_nDistY;//网格精度
	Adesk::UInt16   m_nMinColor,m_nMaxColor;
    Adesk::UInt32	m_nCMFlag;
public:
	TDbLandform();

	void SetOutline(const XPoly2D&poly);
	void SetColor(Adesk::UInt16 c0,Adesk::UInt16 c1){assertWriteEnabled();m_nMinColor=c0;m_nMaxColor=c1;}//ok
	void AppendPoly(const XPoly2D& poly);//RETURN POLY_*
	void Reset(){assertWriteEnabled();m_lstEqHeightCurve.Reset();}//ok

	void  SetHas2D(BOOL bHas=TRUE);
	void  SetHas3D(BOOL bHas=TRUE);
	void  SetNoGrid3D(BOOL bTrue);
	void  SetHasCurve3D(BOOL bTrue);
	void  SetNoCurve2D(BOOL bTrue);
	void  SetSqFit(BOOL bTrue);
	void  SetGradient3D(BOOL bTrue);
	void  SetGridSizeX(double size){assertWriteEnabled();m_nDistX=size;}//ok
	void  SetGridSizeY(double size){assertWriteEnabled();m_nDistY=size;}//ok

    BOOL  Has2D() const;
    BOOL  Has3D() const;
	BOOL HasGrid3D()const{return (m_nCMFlag&_CMF_NO_GRID3D)==0;}//ok
	BOOL HasCurve3D()const{return (m_nCMFlag&_CMF_HAS_CURVE3D)!=0;}//ok
	BOOL HasCurve2D()const{return (m_nCMFlag&_CMF_NO_CURVE2D)==0;}//ok
	BOOL IsSqFit()const{return (m_nCMFlag&_CMF_SQFIT)!=0;}//ok
	BOOL IsGradient3D()const{return (m_nCMFlag&_CMF_GRADIENT3D)!=0;}//ok
	double GetElevation()const;
	double GetGridSizeX()const{return m_nDistX;}//ok
	double GetGridSizeY()const{return m_nDistY;}//ok
	void CreateLandform(GLandform&land)const;
public:
    // Override from AcDbEntity
    virtual Acad::ErrorStatus subGetClassID(CLSID* pClsid) const;
    virtual Acad::ErrorStatus dwgInFields (AcDbDwgFiler*);
    virtual Acad::ErrorStatus dwgOutFields(AcDbDwgFiler*) const;
    virtual Acad::ErrorStatus dxfInFields (AcDbDxfFiler*);
    virtual Acad::ErrorStatus dxfOutFields(AcDbDxfFiler*) const;
    virtual Acad::ErrorStatus subTransformBy(const AcGeMatrix3d& xform);
    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 subGetGripPoints(AcGePoint3dArray&     gripPoints,
                                             AcDbIntArray&  osnapModes,
                                             AcDbIntArray&  geomIds) const;
    virtual  Acad::ErrorStatus subMoveGripPointsAt(const AcDbIntArray& indices,
                     const AcGeVector3d& offset);


    // Override from TEntityBase
    virtual BOOL IsValid() const;
	virtual bool IsModelEntity() const{return true;} 
	virtual int GetFirstVersion()const{return 7;}//ok
    virtual void CopyPropertiesFrom(AcDbEntity *pSrcEntity, unsigned gMatchFlag);
    virtual Acad::ErrorStatus ExplodeOrDraw2d(XExplodeDraw &dc) const;
    virtual Acad::ErrorStatus ExplodeOrDraw3d(XExplodeDraw &dc) const;
    virtual void GetTips(DList<TObjInfoUnit> &) const; //取动态属性显示数据
	virtual Acad::ErrorStatus GetGripText(int i, CString &cs) const;
	virtual int GetCtrlToggleIndex()const{return 3;}//ok
	virtual const TCHAR* GetDefaultLayer()const;
	virtual void UnionScale(double nScale);
};

void InitDbLandform(BOOL bTrue);
#endif