#ifndef __POLYGONCREATORBOUNDARY_H__
#define __POLYGONCREATORBOUNDARY_H__

class CGDFObjectLine;
class CObjectPolyline;
class CGDFObjectFill;
class CGDFLayer;
class CGDFSegment;
class CFillBoundary;

#include <float.h>
#include "CommonDefines.h"
#include "PointSegment.h"
#include "BezierPointSegment.h"
class CPolygonCreatorLine;

class POLYGONCREATORSEGMENT
{
public:
	POLYGONCREATORSEGMENT();

	char m_iType;//-1--invalid  0--实线段,为线的一段  1--横向虚线段,为网格边  2--纵向虚线段  3--临时保存的端点 4--其它用途

	//以下针对虚线段
	double m_dPosition;//虚线段的网格边界的位置(图坐标)
		
	union
	{
		double m_dHeadIndex;//对于实线段,表示起点的点号
		double m_dHeadPosition;//对于虚线段,表示起点的位置(图坐标)
	};
	union
	{
		double m_dEndIndex;//对于实线段,表示终点的点号
		double m_dEndPosition;//对于虚线段,表示终点的位置(图坐标)
	};

	//以下针对实线段
	union
	{
		CGDFObjectLine* m_pObject;
		int m_iIndex;//追踪等值线而加入的
	};

	BYTE m_byteHeadIsEnd;
	BYTE m_byteEndIsEnd;

	BOOL OnInsertPoint(CObjectPolyline* pLine,double dIndex);

	BOOL EndIsEndOfObject();
	BOOL HeadIsEndOfObject();
	BOOL IsWholeClosedLine();
	BOOL IsOnePoint();

};

class CPolygonCreatorSegment : public POLYGONCREATORSEGMENT
{
public:
	CPolygonCreatorSegment();
	CPolygonCreatorSegment(CGDFObjectLine* pObject,double index0,double index1);//加入实边界段
	CPolygonCreatorSegment(int iType,double position,double headposition,double endposition);
	CPolygonCreatorSegment(CPolygonCreatorSegment& segment);
	CPolygonCreatorSegment(POLYGONCREATORSEGMENT& segment);
	~CPolygonCreatorSegment();

//Attributes
public:
	CPoint2D m_headpoint;//方向与线的原方向一致
	CPoint2D m_endpoint;//方向与线的原方向一致

	CPoint2D m_headmappoint[6];//方向与线的原方向一致
	CPoint2D m_endmappoint[6];//方向与线的原方向一致

	//used for draw
	POINT m_headdrawpoint[6];//方向与线的原方向一致
	POINT m_enddrawpoint[6];//方向与线的原方向一致

	short m_middlestartindex;
	short m_middlepointcount;

//Operations
public:

	BOOL AddEnd(CGDFObjectLine* pObject,double index0,double index1);
	BOOL AddEnd(int iType,double position,double headposition,double endposition);
	BOOL AddEnd(CPolygonCreatorSegment& segment);

	BOOL AddHead(CGDFObjectLine* pObject,double index0,double index1);
	BOOL AddHead(int iType,double position,double headposition,double endposition);
	BOOL AddHead(CPolygonCreatorSegment& segment);
	void Clear();
	void CreateMapPoint();
	CGDFObjectLine* CreateObject(CGDFLayer* pLayer,CTypedPtrArray<CPtrArray,CPolygonCreatorLine*>& linearray,CArray<POLYGONCREATORSEGMENT,POLYGONCREATORSEGMENT>& segmentarray);
	FACIESSEGMENTDIRECTION GetDirection();
	double GetEndPosition();
	double GetHeadPosition();
	double GetHeadIndex();
	double GetEndIndex();
	CGDFObjectLine* GetObjectG();
	void SetPosition(double dValue);
	double GetPosition();
	void SetType(int iValue);
	int GetType();
	void SetHeadPosition(double dValue);
	void SetEndPosition(double dValue);
	BOOL OnInsertPoint(CObjectPolyline* pLine,double dIndex);
	void operator=(CPolygonCreatorSegment& segment);
	void operator=(POLYGONCREATORSEGMENT& segment);
	void SendInsertPointMessage(CTypedPtrArray<CPtrArray,CPolygonCreatorLine*>& linearray,CArray<POLYGONCREATORSEGMENT,POLYGONCREATORSEGMENT>& segmentarray,CObjectPolyline* pLine,double dIndex);
	void SetHeadIndex(double dValue);
	void SetEndIndex(double dValue);
};

class CPolygonCreatorLine//构造填充区域的一条边,可以是外边界,也可以是内边界
{
public:
	CPolygonCreatorLine();
	~CPolygonCreatorLine();
//Attributes
public:
	CArray<CPolygonCreatorSegment,CPolygonCreatorSegment> m_segmentarray;
private:
	CBezierStyleDrawPointSegmentArray m_drawsegmentarray;
	CBezierStyleMapPointSegmentArray m_mapsegmentarray;
	
	BOOL m_bNeedExtend;

	BOOL m_bModifyFlag;
//Operations
public:
	void AddSegment(CGDFObjectLine* pObject,double index0,double index1);//加入实边界段
	void AddSegment(int iType,double position,double headposition,double endposition);
	int AddSegment(CPolygonCreatorSegment& segment,BOOL bCanCombine=TRUE);//bCanCombine是否可以与已有的段合并
	CFillBoundary* CreateBoundary(CGDFLayer* pLayer,CTypedPtrArray<CPtrArray,CPolygonCreatorLine*>& linearray,CArray<POLYGONCREATORSEGMENT,POLYGONCREATORSEGMENT>& segmentarray);
	void DeleteSegment(int index,int count=1);
	CPolygonCreatorSegment* GetSegment(int index);
	CPolygonCreatorSegment* GetSegmentArray();
	void GetSegmentArray(CArray<CPolygonCreatorSegment,CPolygonCreatorSegment>& segmentarray);
	int GetSegmentCount();
	void OnInsertPoint(CObjectPolyline* pLine,double dIndex);
	int PointInBorder(int iType,double dPosition,double dHeadPosition,double dEndPosition,int iBorderType);
	int PointInBorder(CPoint2D point);//只检查是否在方格的边界上
	int PointInBorder(int iType,double dPosition,double dPointPosition);
	BOOL GetModifyFlag();

	void SetSegmentAsHead(int index);
	CPolygonCreatorLine* TrySplitLine(int index);
	int TryCombineSegment(int index);
};

#endif