/usr/include/ITK-4.9/itkQuadEdge.h is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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 itkQuadEdge_h
#define itkQuadEdge_h
#include "itkQuadEdgeMeshBaseIterator.h"
#include "ITKQuadEdgeMeshExport.h"
#include "itkMacro.h"
// Debugging macros for classes that do not derive from the itkObject.
// FIXME: Maybe variations of these macros should be moved into
// itkMacro.h
//
#define itkQEDebugMacro(x) \
{ \
std::ostringstream itkmsg; \
itkmsg << "Debug: In " __FILE__ ", line " << __LINE__ << "\n" \
<< " (" << this << "): " x \
<< "\n\n"; \
OutputWindowDisplayDebugText( itkmsg.str().c_str() ); \
}
#define itkQEWarningMacro(x) \
{ \
std::ostringstream itkmsg; \
itkmsg << "WARNING: In " __FILE__ ", line " << __LINE__ << "\n" \
<< " (" << this << "): " x \
<< "\n\n"; \
OutputWindowDisplayWarningText( itkmsg.str().c_str() ); \
}
// -------------------------------------------------------------------------
/**
* Macro that defines overloaded members for the second order
* topological accessors.
*
* @param st Superclass type.
* @param pt Primal edge type.
* @param dt Dual edge type.
* \todo Should this macro be added to doxygen macros?
*/
#define itkQEAccessorsMacro(st, pt, dt) \
pt * GetOnext() \
{ \
return ( dynamic_cast< pt * >( this->st::GetOnext() ) ); \
} \
\
dt *GetRot() \
{ \
return ( dynamic_cast< dt * >( this->st::GetRot() ) ); \
} \
\
pt *GetSym() \
{ \
return ( dynamic_cast< pt * >( this->st::GetSym() ) ); \
} \
\
pt *GetLnext() \
{ \
return ( dynamic_cast< pt * >( this->st::GetLnext() ) ); \
} \
\
pt *GetRnext() \
{ \
return ( dynamic_cast< pt * >( this->st::GetRnext() ) ); \
} \
\
pt *GetDnext() \
{ \
return ( dynamic_cast< pt * >( this->st::GetDnext() ) ); \
} \
\
pt *GetOprev() \
{ \
return ( dynamic_cast< pt * >( this->st::GetOprev() ) ); \
} \
\
pt *GetLprev() \
{ \
return ( dynamic_cast< pt * >( this->st::GetLprev() ) ); \
} \
\
pt *GetRprev() \
{ \
return ( dynamic_cast< pt * >( this->st::GetRprev() ) ); \
} \
\
pt *GetDprev() \
{ \
return ( dynamic_cast< pt * >( this->st::GetDprev() ) ); \
} \
\
dt *GetInvRot() \
{ \
return ( dynamic_cast< dt * >( this->st::GetInvRot() ) ); \
} \
\
pt *GetInvOnext() \
{ \
return ( dynamic_cast< pt * >( this->st::GetInvOnext() ) ); \
} \
\
pt *GetInvLnext() \
{ \
return ( dynamic_cast< pt * >( this->st::GetInvLnext() ) ); \
} \
\
pt *GetInvRnext() \
{ \
return ( dynamic_cast< pt * >( this->st::GetInvRnext() ) ); \
} \
\
pt *GetInvDnext() \
{ \
return ( dynamic_cast< pt * >( this->st::GetInvDnext() ) ); \
} \
const pt *GetOnext() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetOnext() ) ); \
} \
\
const dt *GetRot() const \
{ \
return ( dynamic_cast< const dt * >( this->st::GetRot() ) ); \
} \
\
const pt *GetSym() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetSym() ) ); \
} \
\
const pt *GetLnext() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetLnext() ) ); \
} \
\
const pt *GetRnext() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetRnext() ) ); \
} \
\
const pt *GetDnext() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetDnext() ) ); \
} \
\
const pt *GetOprev() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetOprev() ) ); \
} \
\
const pt *GetLprev() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetLprev() ) ); \
} \
\
const pt *GetRprev() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetRprev() ) ); \
} \
\
const pt *GetDprev() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetDprev() ) ); \
} \
\
const dt *GetInvRot() const \
{ \
return ( dynamic_cast< const dt * >( this->st::GetInvRot() ) ); \
} \
\
const pt *GetInvOnext() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetInvOnext() ) ); \
} \
\
const pt *GetInvLnext() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetInvLnext() ) ); \
} \
\
const pt *GetInvRnext() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetInvRnext() ) ); \
} \
\
const pt *GetInvDnext() const \
{ \
return ( dynamic_cast< const pt * >( this->st::GetInvDnext() ) ); \
}
namespace itk
{
/** \class QuadEdge
* \brief Base class for the implementation of a quad-edge data structure as
* proposed in "Guibas and Stolfi 1985"
*
* \author Alexandre Gouaillard, Leonardo Florez-Valencia, Eric Boix
*
* This implementation was contributed as a paper to the Insight Journal
* http://hdl.handle.net/1926/306
*
* \sa "Accessing adjacent edges."
*
* \ingroup MeshObjects
* \ingroup ITKQuadEdgeMesh
*/
class ITKQuadEdgeMesh_EXPORT QuadEdge
{
public:
/** Hierarchy typedefs & values. */
typedef QuadEdge Self;
/** Iterator types. */
typedef QuadEdgeMeshIterator< Self > Iterator;
typedef QuadEdgeMeshConstIterator< Self > ConstIterator;
/** Basic iterators methods. */
inline itkQEDefineIteratorMethodsMacro(Onext);
// itkQEDefineIteratorMethodsMacro( Sym );
// itkQEDefineIteratorMethodsMacro( Lnext );
// itkQEDefineIteratorMethodsMacro( Rnext );
// itkQEDefineIteratorMethodsMacro( Dnext );
// itkQEDefineIteratorMethodsMacro( Oprev );
// itkQEDefineIteratorMethodsMacro( Lprev );
// itkQEDefineIteratorMethodsMacro( Rprev );
// itkQEDefineIteratorMethodsMacro( Dprev );
// itkQEDefineIteratorMethodsMacro( InvOnext );
// itkQEDefineIteratorMethodsMacro( InvLnext );
// itkQEDefineIteratorMethodsMacro( InvRnext );
// itkQEDefineIteratorMethodsMacro( InvDnext );
/** Object creation methods. */
QuadEdge();
virtual ~QuadEdge();
/** Sub-algebra Set methods. */
inline void SetOnext(Self *onext) { this->m_Onext = onext; }
inline void SetRot(Self *rot) { this->m_Rot = rot; }
/** Sub-algebra Get methods.
* Returns edge with same Origin (see
* "Accessing adjacent edges"). */
inline Self * GetOnext() { return this->m_Onext; }
inline Self * GetRot() { return this->m_Rot; }
inline const Self * GetOnext() const { return this->m_Onext; }
inline const Self * GetRot() const { return this->m_Rot; }
/**
* \brief Basic quad-edge topological method.
*
* This method describes all possible topological operations on an edge.
*
* It is its own inverse. It works in two ways:
*
* 1. If this->GetOrg() != b->GetOrg(), it slice a face in two.
* 2. If this->GetOrg() == b->GetOrg(), it unifies two faces.
*
* \warning This class only handles of the connectivity and is not aware
* of the geometry that lies at the \ref GeometricalQuadEdge level.
* It is strongly discouraged to use this method. Instead you should
* use itk::QuadEdgeMesh::Splice it's geometry aware version.
*
*/
// TODO fix this ref
// * \sa \ref DoxySurgeryConnectivity
inline void Splice(Self *b)
{
Self *aNext = this->GetOnext();
Self *bNext = b->GetOnext();
Self *alpha = aNext->GetRot();
Self *beta = bNext->GetRot();
Self *alphaNext = alpha->GetOnext();
Self *betaNext = beta->GetOnext();
this->SetOnext(bNext);
b->SetOnext(aNext);
alpha->SetOnext(betaNext);
beta->SetOnext(alphaNext);
}
// Second order accessors.
/** Returns the symetric edge
* (see "Accessing adjacent edges"). */
inline Self * GetSym()
{
if ( this->m_Rot )
{
return ( this->m_Rot->m_Rot );
}
return ( this->m_Rot );
}
inline const Self * GetSym() const
{
if ( this->m_Rot )
{
return ( this->m_Rot->m_Rot );
}
return ( this->m_Rot );
}
/** Returns next edge with same Left face
* (see "Accessing adjacent edges"). */
Self * GetLnext();
const Self * GetLnext() const;
/** Returns next edge with same Right face. The first edge
* encountered when moving counter-clockwise from e around e->Right.
* (see "Accessing adjacent edges"). */
Self * GetRnext();
const Self * GetRnext() const;
/** Returns next edge with same right face and same Destination. The
* first edge encountered when moving counter-clockwise from e
* (see "Accessing adjacent edges"). */
Self * GetDnext();
const Self * GetDnext() const;
/** Returns previous edge with same Origin
* (see "Accessing adjacent edges"). */
Self * GetOprev();
const Self * GetOprev() const;
/** Returns previous edge with same Left face. The first edge
* encountered when moving clockwise from e around e->Left.
* (see "Accessing adjacent edges"). */
Self * GetLprev();
const Self * GetLprev() const;
/** Returns the previous edge with same Right face. The first edge
* encountered when moving clockwise from e around e->Right.
* (see "Accessing adjacent edges"). */
Self * GetRprev();
const Self * GetRprev() const;
/** Returns the previous edge with same Right face and same Destination.
* The first edge encountered when moving clockwise from e around e->Dest.
* (see "Accessing adjacent edges"). */
Self * GetDprev();
const Self * GetDprev() const;
/** Inverse operators */
inline Self * GetInvRot()
{
#ifdef NDEBUG
return ( this->GetRot()->GetRot()->GetRot() );
#else
Self *p1 = this->GetRot();
if ( !p1 ) { return ITK_NULLPTR; }
Self *p2 = p1->GetRot();
if ( !p2 ) { return ITK_NULLPTR; }
Self *p3 = p2->GetRot();
if ( !p3 ) { return ITK_NULLPTR; }
return p3;
#endif
}
inline Self * GetInvOnext() { return this->GetOprev(); }
inline Self * GetInvLnext() { return this->GetLprev(); }
inline Self * GetInvRnext() { return this->GetRprev(); }
inline Self * GetInvDnext() { return this->GetDprev(); }
inline const Self * GetInvRot() const
{
#ifdef NDEBUG
return ( this->GetRot()->GetRot()->GetRot() );
#else
const Self *p1 = this->GetRot();
if ( !p1 ) { return ITK_NULLPTR; }
const Self *p2 = p1->GetRot();
if ( !p2 ) { return ITK_NULLPTR; }
const Self *p3 = p2->GetRot();
if ( !p3 ) { return ITK_NULLPTR; }
return p3;
#endif
}
inline const Self * GetInvOnext() const { return this->GetOprev(); }
inline const Self * GetInvLnext() const { return this->GetLprev(); }
inline const Self * GetInvRnext() const { return this->GetRprev(); }
inline const Self * GetInvDnext() const { return this->GetDprev(); }
/** Queries. */
inline bool IsHalfEdge() const { return ( ( m_Onext == this ) || ( m_Rot == ITK_NULLPTR ) ); }
inline bool IsIsolated() const { return ( this == this->GetOnext() ); }
bool IsEdgeInOnextRing(Self *testEdge) const;
bool IsLnextGivenSizeCyclic(const int size) const;
unsigned int GetOrder() const;
private:
Self *m_Onext; /**< Onext ring */
Self *m_Rot; /**< Rot ring */
};
}
#endif
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