draw.h

简单画图

/*
 * 
 * Define Draw Objects
 *
 */


class CDrawObject : public CObject
{
private:
	COLORREF m_PenColor;//图元颜色
	int   m_iPenWidth;  //画笔宽度
	bool  m_bFill;      //是否填充

public:

	bool m_bSelected;
	long m_nStyle;//图元类型
	CDrawObject(){m_bSelected = false;};

	void SetPenColor(COLORREF color);//设置图元颜色
	COLORREF GetPenColor();//获得图元颜色

	void SetPenWidth(int width) {m_iPenWidth = width;};
	int  GetPenWidth() {return  m_iPenWidth;};

	void  SetFill(bool fill) { m_bFill = fill;};
	bool GetFill()  {return m_bFill;};

	virtual void Draw(CDC* pDC) {};
	virtual void MoveAt(CDC* pDC, long x, long y) {};
	virtual	void  EndPoint(CDC* pDC) {};
	virtual void  NewPoint(long x, long y){};//图形对象第一点坐标，如果返回false则结束绘图
	virtual int  AddPoint(long x, long y){return 0;};
};

class CDrawLine : public CDrawObject
{
private:
	long m_x1, m_y1, m_x2, m_y2;

public:
	CDrawLine(COLORREF color = UD_RED, int width = 1);

	void Draw(CDC* pDC);
	void NewPoint(long x, long y);
	void MoveAt(CDC* pDC, long x, long y);
};

class CDrawCurve : public CDrawObject
{
private:
	long m_x, m_y;

public:
	CDrawCurve(COLORREF color = UD_RED, int width = 1);

	void NewPoint(long x, long y);
	void MoveAt(CDC* pDC, long x, long y);
};

class CDrawRect : public CDrawObject
{
private:
	long m_x1, m_y1, m_x2, m_y2;

public:
	CDrawRect(COLORREF color = UD_RED, int width = 1, bool fill = false);

	void MoveAt(CDC* pDC, long x, long y);
	void  NewPoint(long x, long y);
	void Draw(CDC* pDC);

};

class CDrawSelect : public CDrawObject
{
public:
	long m_x1, m_y1, m_x2, m_y2;

public:
	
	void Set(CDC *pDC,long x1, long y1,long width,long heighth);
	CPoint p_maponmouse;
	CDrawSelect(COLORREF color = UD_RED);

	CBitmap map_select;
	CBitmap backmap;

	bool copied,maponmouse;
	bool isin(CPoint p);

	void  MoveAt(CDC* pDC, long x, long y);
	void  NewPoint(long x, long y);
	void  Clear(CDC * pDC);
	long  GetWidth() {	return( m_x2 - m_x1 ); };
	long  GetHeight() {	return( m_y2 - m_y1 ); };
	long  GetX() { return m_x1; };
	long  GetY() { return m_y1; };
};

class CDrawEllipse : public CDrawObject
{
private:
	long m_x1, m_y1, m_x2, m_y2;

public:
	CDrawEllipse(COLORREF color = UD_RED, int width = 1, bool fill = false);

	void MoveAt(CDC* pDC, long x, long y);
	void  NewPoint(long x, long y);
	void  Draw(CDC* pDC);
};

class CDrawCircle : public CDrawObject
{
private:
	long m_x1, m_y1, m_x2, m_y2;

public:
	CDrawCircle(COLORREF color = UD_RED, int width = 1, bool fill = false);
	void MoveAt(CDC* pDC, long x, long y);
	void  NewPoint(long x, long y);
	void  Draw(CDC* pDC);
};

#define MAXPLINEPOINT 20

class CDrawPoly : public CDrawObject
{
private:
	CPoint m_aPoints[MAXPLINEPOINT];
	long m_oldx, m_oldy;

public:
	long m_nNumber;//端点总数
	CDrawPoly(COLORREF color = UD_RED, int width = 1);

	void MoveAt(CDC* pDC, long x, long y);
	void  NewPoint(long x, long y);
	int  AddPoint(long x, long y);
	void  EndPoint(CDC* pDC);
};