draw.h

用于地理信息系统（GIS）行业程序。 完整的鼠标交互式地图点、线、面的绘制

//Draw.h


#ifndef DRAW_H
#define  DRAW_H
#include "GraphPara.h"


extern CGraphPara* gpCGraphPara;

class CDraw :public CObject
{
protected:
	short m_ColorPen;
	short m_ColorBrush;
	short m_LineType;
	short m_LineWide;
	BOOL m_bDelete; //是否处于删除状态
	short m_Layer; //所处图层
	int m_id_only; //图形元素唯一的ID号


	CDraw()
	{
	}

	CDraw(short colorPen,short colorBrush,short lineWide,
		short lineType,short layer,int idOnly,BOOL bDelete)
	//构造函数
	{
		m_ColorPen=colorPen;
		m_ColorBrush=colorBrush;
		m_LineWide=lineWide;
		m_LineType=lineType;
		m_Layer=layer;
		m_bDelete=bDelete;
		m_id_only=idOnly;
	}
	


public:
	virtual void Serialize(CArchive& ar);

	virtual void Draw(CDC *pDC,int drawMode1,int drawMode2,short color)=0;
	//drawMode1:绘图模式，0----R2_COPYPEN,1----R2_NOT
	//drawMode2:特殊显示，0--正常显示，1--特殊显示（如用鼠标选中时）
	//2--用指定颜色显示，由参数colorPen指定颜色

	virtual void  GetBoundRect(float& x1, float& y1, float& x2, float& y2)=0;

	BOOL IsDelete();


};



#endif