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/*
* Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __otbCast_h
#define __otbCast_h
#include "itkSmartPointer.h"
namespace otb
{
/**
* \brief dynamic_cast<>() like operator to work with itk::SmartPointer<>.
*
* Works like C++ dynamic_cast<>() operator:
*
* DerivedClass::Pointer pointer(
* itk::DynamicCast< DerivedClass >( smartPointerToBaseClass )
* );
*/
template <typename T2, typename T1>
inline itk::SmartPointer<T2> DynamicCast(const itk::SmartPointer<T1>& p1)
{
return typename itk::SmartPointer<T2>(dynamic_cast<typename itk::SmartPointer<T2>::ObjectType*>(p1.GetPointer()));
}
/**
* \brief const_cast<>() like operator to work with itk::SmartPointer<>.
*
* Works like C++ const_cast<>() operator:
*
* MyClass::Pointer pointer(
* itk::ConstCast< DerivedClass >( smartPointerToConstInstance )
* );
*/
template <typename T2, typename T1>
inline itk::SmartPointer<const T2> ConstCast(const itk::SmartPointer<T1>& p1)
{
return typename itk::SmartPointer<const T2>(const_cast<typename itk::SmartPointer<const T2>::ObjectType*>(p1.GetPointer()));
}
/**
* \brief const_cast<>() like operator to work with itk::SmartPointer<>.
*
* Works like C++ const_cast<>() operator:
*
* MyClass::ConstPointer constPointer(
* itk::ConstCast< const DerivedClass >(
* smartPointerToNonConstInstance
* )
* );
*/
template <typename T2, typename T1>
inline itk::SmartPointer<T2> ConstCast(const itk::SmartPointer<const T1>& p1)
{
return typename itk::SmartPointer<T2>(const_cast<typename itk::SmartPointer<T2>::ObjectType*>(p1.GetPointer()));
}
} // end namespace otb.
#endif // __otbCast_h
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