Hello,
I wrote dynamic_cast<>() and const_cast<>() like operators to work with
itk::SmartPointer<> for the OTB/Monteverdi2 project.
I think they could be contributed to ITK (for example in the
itkSmartPointer.h header file).
You will find enclosed a itkCasts.h file with the source code of these
operators. This file is an extract from:
http://hg.orfeo-toolbox.org/Monteverdi2/file/df0184bc51a3/Code/Common/Core/mvdTypes.h#l63
.
Best regards,
Stéphane
--
http://orfeo-toolbox.org
Stéphane ALBERT
Ingénieur d'études et développement
Business Unit E-SPACE & Geo Information, Département APPLICATIONS
CS Systèmes d'Information
Parc de la Grande Plaine - 5, Rue Brindejonc des Moulinais - BP 15872
31506 Toulouse Cedex 05 - France
/*=========================================================================
* TODO: Add licence notice.
*=======================================================================*/
// Submitted by Stéphane ALBERT (otb.salb...@gmail.com).
#ifndef __itkCasts_h
#define __itkCasts_h
namespace itk
{
/**
* \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 itk.
#endif // __itkCasts_h
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