#ifndef __DBAIRLETS_H
#define __DBAIRLETS_H
#include "HDbEquipment.h"

/*============================================================================*
* Copyright(c), 1994-2007, Beijing Tangent Engineering Software Co.Ltd.
* 文 件 名:   DbAirLets.h
* 归属项目:   暖通
=============================================================================*/


/*============================================================================*
* 类    名：    TDbAirLets（风口）
* 功能描述：    记录风口相关信息，参数
* 备    注：    图块实体
==============================================================================*/
class PS_EXP TDbAirLets : public THDbEquipment
{
	DECLARE_TENTBASE();
	ACRX_DECLARE_MEMBERS(TDbAirLets);

private:
	static const Adesk::UInt8 g_nVersion;

public:
	enum Shape {        // 风口形状
		kRectangle = 0, // 矩形
		kCircle	   = 1  // 圆形
	};	

public:
	TDbAirLets();

protected:
	Shape	m_sShape;		 // 风口形状
	double  m_dDuctIfLength; // 接风管(喉口)尺寸长
	double  m_dDuctIfWidth;	 // 接风管(喉口)尺寸宽
	double  m_dAirLoad;		 // 风量 
	double	m_dRadius;		 // 只有圆形时有
	double	m_dAreaRatio;	 // 有效喷风面积系数
//  double	m_dResistance;	 // 阻力损失(暂时用不着)

public:	
	void SetAirLoad(double dAirLoad) {
		assertWriteEnabled();
		m_dAirLoad = dAirLoad;
	}
	double GetAirLoad() const {
		return m_dAirLoad;
	}

	void SetDuctIfLength(double dIfLength){
		m_dDuctIfLength = dIfLength;
	}
	double GetDuctIfLength() const {
		return m_dDuctIfLength;
	}

	void SetDuctIfWidth(double dIfWidth) {
		m_dDuctIfWidth = dIfWidth;
	}
	double GetDuctIfWidth() const {
		return m_dDuctIfWidth;
	}

	Shape GetShape() const {
		return m_sShape;
	}
	void SetShape(Shape shape) {
		assertWriteEnabled();
		m_sShape = shape;
	}

	double GetRadius() const {
		return m_dRadius;
	}
	void SetRadius(double dRadius) {
		assertWriteEnabled();
		m_dRadius = dRadius;
	}

	double GetAreaRatio() const {
		return m_dAreaRatio;
	}
	void SetAreaRatio(double dAreaRatio) {
		assertWriteEnabled();
		m_dAreaRatio = dAreaRatio;
	}
	
public: // Override TDbEntity
	virtual void CopyPropertiesFrom(AcDbEntity *pSrc, unsigned gMatchFlag);
	virtual Acad::ErrorStatus subGetClassID(CLSID* pClsid) const;
	virtual void GetTips(DList<TObjInfoUnit> &) const;

	virtual Acad::ErrorStatus ExplodeOrDraw2d(XExplodeDraw &dc) const;
	virtual Acad::ErrorStatus ExplodeOrDraw3d(XExplodeDraw &dc) const;

public:	// Override AcDbEntity
	virtual Acad::ErrorStatus dwgInFields(AcDbDwgFiler*);
	virtual Acad::ErrorStatus dwgOutFields(AcDbDwgFiler*) const;
	virtual Acad::ErrorStatus dxfInFields(AcDbDxfFiler*);
	virtual Acad::ErrorStatus dxfOutFields(AcDbDxfFiler*) const;

private:
	void DrawSys(XExplodeDraw &dc, int nType) const;
};
#endif