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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkCreateObjectFunction.h,v $
Language: C++
Date: $Date: 2007-01-26 14:28:44 $
Version: $Revision: 1.24 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkCreateObjectFunction_h
#define __itkCreateObjectFunction_h
#include "itkObject.h"
namespace itk
{
/** \class CreateObjectFunctionBase
* \brief Define API for object creation callback functions.
*
* \ingroup ITKSystemObjects
*/
class CreateObjectFunctionBase: public Object
{
public:
/** Standard typedefs. */
typedef CreateObjectFunctionBase Self;
typedef Object Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Create an object and return a pointer to it as an
* itk::LightObject. */
virtual SmartPointer<LightObject> CreateObject() = 0;
protected:
CreateObjectFunctionBase() {}
~CreateObjectFunctionBase() {}
private:
CreateObjectFunctionBase(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
/** \class CreateObjectFunction
* \brief CreateObjectFunction is used to create callback functions that
* create ITK Objects for use with the itk::ObjectFactory.
*
* \ingroup ITKSystemObjects
*/
template <class T>
class CreateObjectFunction : public CreateObjectFunctionBase
{
public:
/** Standard class typedefs. */
typedef CreateObjectFunction Self;
typedef SmartPointer<Self> Pointer;
/** Methods from itk:LightObject. */
itkFactorylessNewMacro(Self);
LightObject::Pointer CreateObject() { return T::New().GetPointer(); }
protected:
CreateObjectFunction() {}
~CreateObjectFunction() {}
private:
CreateObjectFunction(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} // end namespace itk
#endif
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