绘图程序

开发平台：
Visual C++

MyManageGraphObj.h：源码内容
							#include "MyGraphObject.h"
#include "MyDraw.h"
#include "MyCommand.h"
//被选择对象信息类
class CSelectedObjectInfo: public CObject
{
public:
	int m_type;
	int m_index;
public:
	CSelectedObjectInfo(int type, int index);
};
///////////////////////////////////////////////////////////////////////////////////////////////
class CManageGraphObject:public CObject
{
public:
	DECLARE_DYNCREATE(CManageGraphObject)
    CManageGraphObject();
	void Serialize(CArchive& ar);
	~CManageGraphObject();
public:
	CDrawGrapObject m_DrawGrapObject;
public:
    SIZE     PageSize;       //图纸大小 
	float    Proportion;     //图形缩放比例
private:
	CPoint   StartPoint;   //画直线、矩形、圆、圆弧时的起始点(画圆时，是圆的圆心) 
	CPoint   MidPoint;	   //画圆弧时的中间点 　　
	CPoint   EndPoint;     //画直线、矩形、圆、圆弧时的结束点 
	CPoint   oldMidPoint;  //上一次画圆弧时的中间点 
	CPoint   oldEndPoint;  //上一次画直线、矩形、圆、圆弧时的结束点 
private:
	COLORREF PenColor;
	int      LineStyle;
public:
	void SetLineStyle(int style);
	void SetPenColor(COLORREF color);
public:
	//对象类指针数组
	CObArray m_LineArray;
	CObArray m_RectArray;
	CObArray m_CircleArray;
	CObArray m_ArcArray;
    
	//对象信息类指针数组
	CObArray m_LineInfoArray;
	CObArray m_RectInfoArray;
	CObArray m_CircleInfoArray;
	CObArray m_ArcInfoArray;
	//选中对象信息类指针数组
	CObArray m_SelObjInfoArray;
public:
	void Initialize(int style, COLORREF color);
private:
    CCommandStack * pCommandStack; 
public:
    void GetCommandStack(CCommandStack* pStack);
private:
	CClientDC* pDC;
public:
	void GetDC(CClientDC* pClientDC);
private:
	int LRepeatTimes;       //在当前绘图命令下鼠标左键点击次数
	int RRepeatTimes;       //在当前绘图命令下鼠标右键点击次数
public:
	void OnLButtonDown(UINT ID, CPoint point);
	UINT OnRButtonDown(UINT ID, CPoint point);
	void OnMouseMove(UINT ID, CPoint point);
	void OnScroll(UINT ID);
	void OnRedo();
	void OnUndo();
public:
	POINT   DrawingToLogic(FPOINT fpoint);        //将点的图纸坐标转换为逻辑坐标
	long    DrawingToLogic(float fdistance);      //将图纸距离转换为逻辑距离 
	FPOINT  LogicToDrawing(POINT point);          //将点的逻辑坐标转换为图纸坐标
	float   LogicToDrawing(long distance);        //将转换逻辑距离为图纸距离 
public:
	void RedrawAllObject(CDC* pDC);
	void SelectObject(CDC* pDC, CPoint point);    //选取图形对象
	BOOL UnselectObject();                        //取消选取图形对象
public:
	void RedrawLine(CDC* pDC);  	              //重画所有的Line对象
	void SelectLine(CDC* pDC, CPoint point);
    BOOL UnselectLine();
	void AddLine(POINT SPoint, POINT EPoint, int Style, COLORREF Color);  //增加直线对象
    CMyLine* GetLine(int index);                  //获取指定序号的直线对象 
   	void DelAllLine();                            //删除所有的直线对象 
public:
	void RedrawRect(CDC* pDC);  
	void SelectRect(CDC* pDC, CPoint point);
    BOOL UnselectRect();
	void AddRect(POINT SPoint, POINT EPoint, int Style, COLORREF Color);
	CMyRect* GetRect(int index);
	void DelAllRect();
public:
	void RedrawCircle(CDC* pDC);  
	void SelectCircle(CDC* pDC, CPoint point);
    BOOL UnselectCircle();
	void AddCircle(POINT SPoint, POINT EPoint, int Style, COLORREF Color);
	CMyCircle* GetCircle(int index);
	void DelAllCircle();
public:
	void RedrawArc(CDC* pDC);  
	void SelectArc(CDC* pDC, CPoint point);
    BOOL UnselectArc();
	void AddArc(POINT SPoint, POINT MPoint, POINT EPoint, int Style, COLORREF Color);
	CMyArc* GetArc(int index);
	void DelAllArc();
};

						