//////////////////////////////////////////////////////////////////////////////////////
//Polygon.h

#pragma once
#include "CommonDefines.h"

class CGDFPolygon
{
public:
	CGDFPolygon();
	~CGDFPolygon();

//Attributes
private:
	CArray<CPoint2D,CPoint2D> m_pointarray;
	int m_iType;//0--internal 1--external
	CRect8 m_rect;

	CString m_strTypeName;

	CArray<POINT,POINT> m_drawarray;//其点数与m_pointarray的点数相等

	GDFLOGPEN m_logpen;

	BOOL m_bClose;

	POINT m_oldpoint;
	POINT m_originpoint;
	int m_iSelectedIndex;

	BOOL m_bIsEditing;

//Operations
public:
	void SetPointArray(CPoint2D* p,int count);
	int GetPointCount();
	CPoint2D* GetPointArray();
	void SetPoint(int index,CPoint2D p);
	int GetType();
	void SetType(int iType);
	CRect8 GetRect();
	void AddPoint(CPoint2D point);
	void AddPoint(CPoint2D* point,int count);
	int PointInRegion(CPoint2D point);
	void Clear();
	int GetDirection();//1--顺时针 -1--逆时针  0--无法判断
	void ReversePointArray();
	void Copy(CGDFPolygon* pPolygon);
	void Normalize(CTypedPtrArray<CPtrArray,CGDFPolygon*>& polygonarray);
	void NormalizeBorder();
	double CalculateArea();

	CString GetTypeName();
	void SetTypeName(LPCTSTR strTypeName);

	BOOL ReadFromFile(CString strFileName);
	BOOL SaveToFile(CString strFileName);
	BOOL ReadFromFile(CStdioFile& file);
	BOOL SaveToFile(CStdioFile& file);

	POINT* GetDrawArray();
	void SetDrawArray(POINT* point,int count);
	int GetDrawPointCount();
	//mouse message
	BOOL OnLButtonDown(CView* pView,CDC* pDC,UINT nFlags,CPoint p,double dZoomFactor);
	BOOL OnLButtonUp(CView* pView,CDC* pDC,UINT nFlags,CPoint p,double dZoomFactor);
	BOOL OnMouseMove(CView* pView,CDC* pDC,UINT nFlags,CPoint p,double dZoomFactor);
	BOOL OnLButtonDblClick(CView* pView,CDC* pDC,UINT nFlags,CPoint p,double dZoomFactor);
	BOOL OnRButtonDown(CView* pView,CDC* pDC,UINT nFlags,CPoint p,double dZoomFactor);

	void GetLogPen(GDFLOGPEN* logpen);
	void SetLogPen(GDFLOGPEN* logpen);

	void DrawSelectedMark(CDC* pDC,CView* pView,double dZoomFactor);
	void Draw(CDC* pDC,CView* pView,double dZoomFactor);

	void SetClose(BOOL bValue);
	BOOL GetClose();

	void SetEditing(BOOL bValue);
	BOOL GetEditing();

	void UpdateRect();

	double GetArea();
};