entityobject.h

我自己写的代码 可能比较简单 我实现了模拟图层的功能

///////////////////////////////////////////////////////////
//  EntityObject.h
//  Implementation of the Class EntityObject
//  Created on:      18-二月-2009 17:17:31
//  Original author: pangyj
///////////////////////////////////////////////////////////

#if !defined(EA_93261352_747D_4a49_AE52_858616E93681__INCLUDED_)
#define EA_93261352_747D_4a49_AE52_858616E93681__INCLUDED_
#include "lit_list.h"
#include "ErrorStatus.h"

class EntityObject
{
public:
	enum TypeObject
	{
		tNone,
		tGeometry,
		tLayer
	};
	virtual ~EntityObject();

	EntityObject();
	ErrorStatus AddSubEntity(unsigned long id);
	unsigned long color();
	void color(unsigned long);
	void id(unsigned long );
	unsigned long id();
	ErrorStatus modeStatus();
	void modeStatus(ErrorStatus es);
	virtual ErrorStatus read(fstream& f);
	const lit_list<unsigned long>& subEntities();
	ErrorStatus subEntities(lit_list<unsigned long> & ids);
	virtual ErrorStatus subErase();
	virtual ErrorStatus write(fstream& f);
	virtual void list()const;
	virtual void erase();
protected:
	unsigned long uColor;
	unsigned long uId;
	lit_list<unsigned long> lSubEntities;

private:
	ErrorStatus openMode;
public:
	TypeObject	iTypeFlag;
};
#endif // !defined(EA_93261352_747D_4a49_AE52_858616E93681__INCLUDED_)