Aim: Defines the concept describing a bidirectional segment computer,
ie. a model of concepts::CSegment that can extend itself in the two possible directions. More...

#include <DGtal/geometry/curves/CBidirectionalSegmentComputer.h>

Inheritance diagram for DGtal::concepts::CBidirectionalSegmentComputer< T >:

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Public Member Functions
	BOOST_CONCEPT_USAGE (CBidirectionalSegmentComputer)

Public Member Functions inherited from DGtal::concepts::CIncrementalSegmentComputer< T >
	BOOST_CONCEPT_USAGE (CIncrementalSegmentComputer)

Public Member Functions inherited from DGtal::concepts::CSegmentFactory< T >
	BOOST_STATIC_ASSERT ((boost::is_same< T, Self >::value))

	BOOST_CONCEPT_USAGE (CSegmentFactory)

Public Member Functions inherited from DGtal::concepts::CSegment< T >
	BOOST_CONCEPT_USAGE (CSegment)

Private Attributes
T	myX

bool	myB

Additional Inherited Members
Public Types inherited from DGtal::concepts::CSegmentFactory< T >
typedef T::Self	Self

typedef T::Reverse	Reverse

Public Types inherited from DGtal::concepts::CSegment< T >
typedef T::ConstIterator	ConstIterator

Detailed Description

template<typename T>
struct DGtal::concepts::CBidirectionalSegmentComputer< T >

Aim: Defines the concept describing a bidirectional segment computer,
ie. a model of concepts::CSegment that can extend itself in the two possible directions.

Description of concept 'CBidirectionalSegmentComputer'

Refinement of CForwardSegmentComputer

Associated types the same as concepts::CForwardSegmentComputer

Notation

X : A type that is a model of CBidirectionalSegmentComputer
x : object of type X

Definitions

Valid expressions and

Name	Expression	Type requirements	Return type	Precondition	Semantics	Post condition	Complexity
Extension test	x.isExtendableBack()		bool		check whether x can be extended to - -x.begin() or not
Extension	x.extendBack()		bool		check whether x can be extended to - -x.begin() or not, extend if true

Invariants

Models

StandardDSS6Computer, StabbingLineComputer, StabbingCircleComputer

Notes

Template Parameters

T	the type that should be a model of CBidirectionalSegmentComputer.

Definition at line 90 of file CBidirectionalSegmentComputer.h.

Member Function Documentation

◆ BOOST_CONCEPT_USAGE()

template<typename T >

DGtal::concepts::CBidirectionalSegmentComputer< T >::BOOST_CONCEPT_USAGE ( CBidirectionalSegmentComputer< T > )

inline

Definition at line 95 of file CBidirectionalSegmentComputer.h.

       {
         concepts::ConceptUtils::sameType( myB, myX.isExtendableBack() );
         concepts::ConceptUtils::sameType( myB, myX.extendBack() );
       }