#ifndef __CPPLUGINS__INTERFACE__PROCESSOBJECT__HXX__
#define __CPPLUGINS__INTERFACE__PROCESSOBJECT__HXX__

// -------------------------------------------------------------------------
template< class T >
T* cpPlugins::Interface::ProcessObject::
GetITK( )
{
  return( dynamic_cast< T* >( this->m_ITKObject.GetPointer( ) ) );
}

// -------------------------------------------------------------------------
template< class T >
const T* cpPlugins::Interface::ProcessObject::
GetITK( ) const
{
  return( dynamic_cast< const T* >( this->m_ITKObject.GetPointer( ) ) );
}

// -------------------------------------------------------------------------
template< class T >
T* cpPlugins::Interface::ProcessObject::
GetVTK( )
{
  return( dynamic_cast< T* >( this->m_VTKObject.GetPointer( ) ) );
}

// -------------------------------------------------------------------------
template< class T >
const T* cpPlugins::Interface::ProcessObject::
GetVTK( ) const
{
  return( dynamic_cast< const T* >( this->m_VTKObject.GetPointer( ) ) );
}

// -------------------------------------------------------------------------
template< class T >
T* cpPlugins::Interface::ProcessObject::
GetInput( unsigned int idx )
{
  if( idx < this->m_Inputs.size( ) )
    return( dynamic_cast< T* >( this->m_Inputs[ idx ].GetPointer( ) ) );
  else
    return( NULL );
}

// -------------------------------------------------------------------------
template< class T >
const T* cpPlugins::Interface::ProcessObject::
GetInput( unsigned int idx ) const
{
  if( idx < this->m_Inputs.size( ) )
    return(
      dynamic_cast< const T* >( this->m_Inputs[ idx ].GetPointer( ) )
      );
  else
    return( NULL );
}

// -------------------------------------------------------------------------
template< class T >
T* cpPlugins::Interface::ProcessObject::
GetOutput( unsigned int idx )
{
  if( idx < this->m_Outputs.size( ) )
    return( dynamic_cast< T* >( this->m_Outputs[ idx ].GetPointer( ) ) );
  else
    return( NULL );
}

// -------------------------------------------------------------------------
template< class T >
const T* cpPlugins::Interface::ProcessObject::
GetOutput( unsigned int idx ) const
{
  if( idx < this->m_Outputs.size( ) )
    return(
      dynamic_cast< const T* >( this->m_Outputs[ idx ].GetPointer( ) )
      );
  else
    return( NULL );
}

// -------------------------------------------------------------------------
template< class F >
F* cpPlugins::Interface::ProcessObject::
_CreateITK( )
{
  F* filter = dynamic_cast< F* >( this->m_ITKObject.GetPointer( ) );
  if( filter == NULL )
  {
    typename F::Pointer ptr = F::New( );
    this->m_ITKObject = ptr;
    filter = ptr.GetPointer( );
    this->m_VTKObject = NULL;

  } // fi
  return( filter );
}

// -------------------------------------------------------------------------
template< class F >
F* cpPlugins::Interface::ProcessObject::
_CreateVTK( )
{
  F* filter = dynamic_cast< F* >( this->m_VTKObject.GetPointer( ) );
  if( filter == NULL )
  {
    filter = F::New( );
    this->m_VTKObject = filter;
    this->m_ITKObject = NULL;

  } // fi
  return( filter );
}

// -------------------------------------------------------------------------
template< class O >
void cpPlugins::Interface::ProcessObject::
_MakeOutput( unsigned int idx )
{
  if( idx >= this->m_Outputs.size( ) )
    return;
  this->m_Outputs[ idx ] = O::New( );
  this->m_Outputs[ idx ]->SetSource( this );
}

#endif // __CPPLUGINS__INTERFACE__PROCESSOBJECT__HXX__

// eof - $RCSfile$