/usr/include/ITK-4.5/itkCellInterfaceVisitor.h is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
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*
* Copyright Insight Software Consortium
*
* 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.txt
*
* 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 __itkCellInterfaceVisitor_h
#define __itkCellInterfaceVisitor_h
#include "itkLightObject.h"
#include "itkObjectFactory.h"
namespace itk
{
// forward reference CellInterface
template<
typename TPixelType,
typename TCellTraits
>
class CellInterface;
/** \class CellInterfaceVisitor
* \brief Abstract interface for a visitor class that can visit the
* cells in a Mesh.
*
* Define the abstract interface for a visitor class that can visit the
* cells in a Mesh. This follows the Visitor Design Pattern. To make
* this class easier to use, the CellInterfaceVisitorImplementation is
* provided as a templated class to implement the pure virtual functions
* of CellInterfaceVisitor.
*
* \ingroup MeshAccess
* \ingroup ITKCommon
*/
template<
typename TPixelType,
typename TCellTraits
>
class CellInterfaceVisitor:public LightObject
{
public:
/** Standard class typedefs. */
typedef CellInterfaceVisitor Self;
typedef LightObject Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
typedef typename TCellTraits::CellIdentifier CellIdentifier;
/** Run-time type information (and related methods). */
itkTypeMacro(CellInterfaceVisitor, LightObject);
/** This method is called by each cell as it visits this visitor. */
virtual void VisitFromCell(CellIdentifier cellId, CellInterface< TPixelType,
TCellTraits > *) = 0;
/** Return the index of the CellTopology. */
virtual int GetCellTopologyId() = 0;
protected:
CellInterfaceVisitor() {}
~CellInterfaceVisitor() {}
private:
CellInterfaceVisitor(const Self &); //purposely not implemented
void operator=(const Self &); //purposely not implemented
};
/** \class CellInterfaceVisitorImplementation
* \brief A template class used to implement a visitor object.
*
* A template class used to implement a visitor object.
*
* The Visitor implementation does the down cast to
* the specific cell type that is being visited. After the
* cast, a member of the UserVisitor type called Visit is
* passed the exact cell type being visited. To use this
* class, write a class that implements a function
* Visit(int id, CellTopology*). Then, use that as the UserVisitor
* template parameter.
*
* Template parameters for CellInterfaceVisitorImplementation:
* TPixelType = see CellInterface
*
* TCellTraits = see CellInterface
*
* CellTopology = The specific type of cell that needs to be visited.
*
* UserVisitor = A user supplied class that implements the function
* Visit(int id, CellTopology*)
*
* \ingroup MeshAccess
* \ingroup ITKCommon
*/
template<
typename TPixelType,
typename TCellTraits,
typename CellTopology,
typename UserVisitor
>
class CellInterfaceVisitorImplementation:
public CellInterfaceVisitor< TPixelType, TCellTraits >, public UserVisitor
{
public:
/** Standard class typedefs. */
typedef CellInterfaceVisitorImplementation Self;
typedef SmartPointer< Self > Pointer;
typedef typename TCellTraits::CellIdentifier CellIdentifier;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(CellInterfaceVisitorImplementation, LightObject);
/** Call the static method GetTopologyId for the CellTopology type that
* we are templated over. */
virtual int GetCellTopologyId() { return CellTopology::GetTopologyId(); }
/** Call the method Visit from the UserVisitor template parameter that
* this class inherits from. I am my own gradpa... */
void VisitFromCell(CellIdentifier cellId, CellInterface< TPixelType,
TCellTraits > *c)
{
this->UserVisitor::Visit(cellId, (CellTopology *)c);
}
protected:
CellInterfaceVisitorImplementation() {}
~CellInterfaceVisitorImplementation() {}
private:
CellInterfaceVisitorImplementation(const Self &); //purposely not implemented
void operator=(const Self &); //purposely not implemented
};
} // end namespace itk
#endif
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