/usr/include/InsightToolkit/Review/itkQuadEdgeMeshBaseIterator.h is in libinsighttoolkit3-dev 3.20.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Program: Insight Segmentation & Registration Toolkit
Module: itkQuadEdgeMeshBaseIterator.h
Language: C++
Date: $Date$
Version: $Revision$
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 __itkQuadEdgeMeshBaseIterator_h
#define __itkQuadEdgeMeshBaseIterator_h
// -------------------------------------------------------------------------
#define itkQEDefineIteratorMethodsMacro( Op ) \
virtual Iterator Begin##Op() \
{ \
return Iterator( this, Self::Iterator::Operator##Op, true ); \
} \
\
virtual ConstIterator Begin##Op() const \
{ \
return ConstIterator( this, Self::ConstIterator::Operator##Op, \
true ); \
} \
\
virtual Iterator End##Op() \
{ \
return Iterator( this, Self::Iterator::Operator##Op, false ); \
} \
\
virtual ConstIterator End##Op() const \
{ \
return ConstIterator( this, Self::ConstIterator::Operator##Op, \
false ); \
}
// -------------------------------------------------------------------------
#define itkQEDefineIteratorGeomMethodsMacro( Op ) \
virtual IteratorGeom BeginGeom##Op() \
{ \
return IteratorGeom( this, Self::IteratorGeom::Operator##Op, \
true ); \
} \
\
virtual ConstIteratorGeom BeginGeom##Op() const \
{ \
return ConstIteratorGeom( this, \
Self::ConstIteratorGeom::Operator##Op, true ); \
} \
\
virtual IteratorGeom EndGeom##Op() \
{ \
return IteratorGeom( this, Self::IteratorGeom::Operator##Op, \
false ); \
} \
\
virtual ConstIteratorGeom EndGeom##Op() const \
{ \
return ConstIteratorGeom( this, \
Self::ConstIteratorGeom::Operator##Op, false ); \
}
namespace itk
{
/**
* \class QuadEdgeMeshBaseIterator
*
* \brief Base iterator class for QuadEdgeMesh
*/
template< typename TQuadEdge >
class QuadEdgeMeshBaseIterator
{
public:
// Hierarchy typedefs & values.
typedef QuadEdgeMeshBaseIterator Self;
typedef TQuadEdge QuadEdgeType;
// Different types of iterators, one for each basic QE operation.
enum
{
OperatorOnext = 0,
OperatorSym = 1,
OperatorLnext = 2,
OperatorRnext = 3,
OperatorDnext = 4,
OperatorOprev = 5,
OperatorLprev = 6,
OperatorRprev = 7,
OperatorDprev = 8,
OperatorInvOnext = 9,
OperatorInvLnext = 10,
OperatorInvRnext = 11,
OperatorInvDnext = 12
};
public:
// Object creation methods.
QuadEdgeMeshBaseIterator( QuadEdgeType* e,
int op = OperatorOnext,
bool start = true )
: m_StartEdge( e ), m_Iterator( e ),
m_OpType( op ), m_Start( start ) {}
virtual ~QuadEdgeMeshBaseIterator() {}
Self& operator=( const Self& r )
{
m_StartEdge = r.m_StartEdge;
m_Iterator = r.m_Iterator;
m_OpType = r.m_OpType;
m_Start = r.m_Start;
return( *this );
}
QuadEdgeType* GetStartEdge() const { return( m_StartEdge ); }
QuadEdgeType* GetIterator() const { return( m_Iterator ); }
int GetOpType() const { return( m_OpType ); }
bool GetStart() const { return( m_Start ); }
/** Iteration methods. */
bool operator==( Self & r )
{
return( ( m_StartEdge == r.m_StartEdge ) &&
( m_Iterator == r.m_Iterator ) &&
( m_OpType == r.m_OpType ) &&
( m_Start == r.m_Start ) );
}
bool operator==( const Self & r ) const
{
return( ( m_StartEdge == r.m_StartEdge ) &&
( m_Iterator == r.m_Iterator ) &&
( m_OpType == r.m_OpType ) &&
( m_Start == r.m_Start ) );
}
bool operator!=( Self & r )
{
return( !( this->operator==( r ) ) );
}
bool operator!=( const Self & r ) const
{
return( !( this->operator==( r ) ) );
}
Self & operator++()
{
if( m_Start )
{
this->GoToNext();
m_Start = !( m_Iterator == m_StartEdge );
}
return( *this );
}
Self & operator++( int )
{
if( m_Start )
{
this->GoToNext();
m_Start = !( m_Iterator == m_StartEdge );
}
return( *this );
}
protected:
/** Method that should do all the iteration work. */
virtual void GoToNext()
{
switch( m_OpType )
{
case OperatorOnext : m_Iterator = m_Iterator->GetOnext();
break;
case OperatorSym : m_Iterator = m_Iterator->GetSym();
break;
case OperatorLnext : m_Iterator = m_Iterator->GetLnext();
break;
case OperatorRnext : m_Iterator = m_Iterator->GetRnext();
break;
case OperatorDnext : m_Iterator = m_Iterator->GetDnext();
break;
case OperatorOprev : m_Iterator = m_Iterator->GetOprev();
break;
case OperatorLprev : m_Iterator = m_Iterator->GetLprev();
break;
case OperatorRprev : m_Iterator = m_Iterator->GetRprev();
break;
case OperatorDprev : m_Iterator = m_Iterator->GetDprev();
break;
case OperatorInvOnext : m_Iterator = m_Iterator->GetInvOnext();
break;
case OperatorInvLnext : m_Iterator = m_Iterator->GetInvLnext();
break;
case OperatorInvRnext : m_Iterator = m_Iterator->GetInvRnext();
break;
case OperatorInvDnext : m_Iterator = m_Iterator->GetInvDnext();
break;
default: break;
}
}
protected:
QuadEdgeType * m_StartEdge; /**< Start edge */
QuadEdgeType * m_Iterator; /**< Current iteration position */
int m_OpType; /**< Operation type */
bool m_Start; /**< Indicates iteration has just started */
};
/**
* \class QuadEdgeMeshIterator
*
* \brief Non const iterator for QuadMesh
*/
template< typename TQuadEdge >
class QuadEdgeMeshIterator
: public QuadEdgeMeshBaseIterator< TQuadEdge >
{
public:
/** Hierarchy typedefs and values. */
typedef QuadEdgeMeshIterator Self;
typedef QuadEdgeMeshBaseIterator< TQuadEdge > Superclass;
typedef TQuadEdge QuadEdgeType;
public:
/** Object creation methods. */
QuadEdgeMeshIterator( QuadEdgeType* e = (QuadEdgeType*)0,
int op = Superclass::OperatorOnext,
bool start = true )
: Superclass( e, op, start ) {}
virtual ~QuadEdgeMeshIterator() {}
QuadEdgeType * Value() { return( this->m_Iterator ); }
const QuadEdgeType * Value() const { return( this->m_Iterator ); }
};
/**
* \class QuadEdgeMeshIteratorGeom
*
* \brief Non const geometrical iterator
*/
template< typename TGeometricalQuadEdge >
class QuadEdgeMeshIteratorGeom
: public QuadEdgeMeshIterator< TGeometricalQuadEdge >
{
public:
/** Hierarchy typedefs and values. */
typedef QuadEdgeMeshIterator< TGeometricalQuadEdge > Superclass;
typedef TGeometricalQuadEdge QuadEdgeType;
/** Geometric value type. */
typedef typename QuadEdgeType::OriginRefType OriginRefType;
public:
QuadEdgeMeshIteratorGeom( QuadEdgeType* e = (QuadEdgeType*)0,
int op = Superclass::OperatorOnext,
bool start = true )
: Superclass( e, op, start ) {}
OriginRefType operator*() { return( this->m_Iterator->GetOrigin( ) ); }
};
/**
* \class QuadEdgeMeshConstIterator
*
* \brief Const iterator for QuadEdgeMesh
*/
template< typename TQuadEdge >
class QuadEdgeMeshConstIterator
: public QuadEdgeMeshBaseIterator< TQuadEdge >
{
public:
/** Hierarchy typedefs & values. */
typedef QuadEdgeMeshConstIterator Self;
typedef QuadEdgeMeshBaseIterator< TQuadEdge > Superclass;
typedef QuadEdgeMeshIterator< TQuadEdge > NoConstType;
typedef TQuadEdge QuadEdgeType;
public:
/** Object creation methods. */
QuadEdgeMeshConstIterator( const QuadEdgeType* e = (QuadEdgeType*)0,
int op = Superclass::OperatorOnext,
bool start = true )
: Superclass( const_cast<QuadEdgeType*>(e), op, start ) {}
virtual ~QuadEdgeMeshConstIterator() {}
Self& operator=( const NoConstType& r )
{
this->m_StartEdge = r.GetStartEdge();
this->m_Iterator = r.GetIterator();
this->m_OpType = r.GetOpType();
this->m_Start = r.GetStart();
return( *this );
}
const QuadEdgeType* Value() const { return( this->m_Iterator ); }
};
/**
* \class QuadEdgeMeshConstIteratorGeom
*
* \brief Const geometrical iterator
*/
template< typename TGeometricalQuadEdge >
class QuadEdgeMeshConstIteratorGeom
: public QuadEdgeMeshConstIterator< TGeometricalQuadEdge >
{
public:
/** Hierarchy typedefs and values. */
typedef QuadEdgeMeshConstIteratorGeom Self;
typedef QuadEdgeMeshConstIterator< TGeometricalQuadEdge > Superclass;
typedef QuadEdgeMeshIteratorGeom< TGeometricalQuadEdge > NoConstType;
typedef TGeometricalQuadEdge QuadEdgeType;
/** Geometric value type. */
typedef typename QuadEdgeType::OriginRefType OriginRefType;
public:
QuadEdgeMeshConstIteratorGeom( const QuadEdgeType* e = (QuadEdgeType*)0,
int op = Superclass::OperatorOnext,
bool start = true )
: Superclass( e, op, start ) {}
virtual ~QuadEdgeMeshConstIteratorGeom() {}
Self& operator=( const NoConstType& r )
{
this->m_StartEdge = r.GetStartEdge();
this->m_Iterator = r.GetIterator();
this->m_OpType = r.GetOpType();
this->m_Start = r.GetStart();
return( *this );
}
const OriginRefType operator*() const
{
return( this->m_Iterator->GetOrigin() );
}
};
}
#endif
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