envi-code/SourceCode/Code2026/tg_shs/shs_geLib/TGGeDbCurveEntity.cpp

//-------------------------------------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TGGeDbCurveEntity 类
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TGGeDbCurveEntity 定义
// = Maintainers: 
//                  
//-------------------------------------------------------------------------------------------------------+
#include "StdAfx.h"
#include "TGGeDbCurveEntity.h"
#include "TGGeDbCurveSegEntity.h"
#include "TGGeDbPolyline.h"

TGGeDbCurveEntity* TGGeDbCurveEntity::CreateFrom(const AcDbEntity &ent)
{
	if (ent.isKindOf(AcDbLine::desc()))
	{
		return new TGGeDbCurveSegEntity((const AcDbLine&)ent);
	}
	else if (ent.isKindOf(AcDbArc::desc()))
	{
		return new TGGeDbCurveSegEntity((const AcDbArc&)ent);
	}
	else if (ent.isKindOf(AcDbPolyline::desc()))
	{
		return new TGGeDbPolyline((const AcDbPolyline&)ent);
	}

	return NULL;
}