Aim: An iterator on the points of a Digital Straight Segment. Template parameters are the integer type and the connectivity of the DSS (8-connectivity as default value). More...

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

Public Types
typedef ArithDSSIterator	Self
typedef TInteger	Integer
typedef PointVector< 2, Integer >	Point
typedef std::forward_iterator_tag	iterator_category
typedef Point	value_type
typedef std::ptrdiff_t	difference_type
typedef const Point *	pointer
typedef const Point &	reference

Public Member Functions
	BOOST_CONCEPT_ASSERT ((concepts::CInteger< Integer >))
TInteger	remainder (const Point &Q)
reference	operator* () const
Self &	operator++ ()
Self	operator++ (int a)
bool	operator== (const Self &other) const
bool	operator!= (const Self &other) const
	ArithDSSIterator (const Integer a, const Integer b, const Integer mu, const Point &p)
	ArithDSSIterator ()
	~ArithDSSIterator ()
void	selfDisplay (std::ostream &out) const
bool	isValid () const
	ArithDSSIterator (const ArithDSSIterator &other)
Self &	operator= (const Self &other)

Private Attributes
Integer	myA
Integer	myB
Integer	myMu
Point	myP

Detailed Description

template<typename TInteger, int connectivity = 8>
class DGtal::ArithDSSIterator< TInteger, connectivity >

Aim: An iterator on the points of a Digital Straight Segment. Template parameters are the integer type and the connectivity of the DSS (8-connectivity as default value).

Description of class 'ArithDSSIterator'

Definition at line 63 of file ArithDSSIterator.h.

Member Typedef Documentation

◆ difference_type

template<typename TInteger, int connectivity = 8>

typedef std::ptrdiff_t DGtal::ArithDSSIterator< TInteger, connectivity >::difference_type

Definition at line 90 of file ArithDSSIterator.h.

◆ Integer

template<typename TInteger, int connectivity = 8>

typedef TInteger DGtal::ArithDSSIterator< TInteger, connectivity >::Integer

Integer type.

Definition at line 76 of file ArithDSSIterator.h.

◆ iterator_category

template<typename TInteger, int connectivity = 8>

typedef std::forward_iterator_tag DGtal::ArithDSSIterator< TInteger, connectivity >::iterator_category

stl iterator types.

Definition at line 88 of file ArithDSSIterator.h.

◆ Point

template<typename TInteger, int connectivity = 8>

typedef PointVector<2,Integer> DGtal::ArithDSSIterator< TInteger, connectivity >::Point

2D integer point type.

Definition at line 83 of file ArithDSSIterator.h.

◆ pointer

template<typename TInteger, int connectivity = 8>

typedef const Point* DGtal::ArithDSSIterator< TInteger, connectivity >::pointer

Definition at line 91 of file ArithDSSIterator.h.

◆ reference

template<typename TInteger, int connectivity = 8>

typedef const Point& DGtal::ArithDSSIterator< TInteger, connectivity >::reference

Definition at line 92 of file ArithDSSIterator.h.

◆ Self

template<typename TInteger, int connectivity = 8>

typedef ArithDSSIterator DGtal::ArithDSSIterator< TInteger, connectivity >::Self

Self type.

Definition at line 71 of file ArithDSSIterator.h.

◆ value_type

template<typename TInteger, int connectivity = 8>

typedef Point DGtal::ArithDSSIterator< TInteger, connectivity >::value_type

Definition at line 89 of file ArithDSSIterator.h.

Constructor & Destructor Documentation

◆ ArithDSSIterator() [1/3]

template<typename TInteger, int connectivity = 8>

DGtal::ArithDSSIterator< TInteger, connectivity >::ArithDSSIterator	(	const Integer	a,
		const Integer	b,
		const Integer	mu,
		const Point &	p )

Constructor with initialisation of the DSS parameters and begin point.

Parameters

a	DSS a parameter.
b	DSS b parameter.
mu	DSS mu parameter.
p	begin point of the DSS.

Referenced by ArithDSSIterator().

◆ ArithDSSIterator() [2/3]

template<typename TInteger, int connectivity = 8>

DGtal::ArithDSSIterator< TInteger, connectivity >::ArithDSSIterator ( )

inline

Constructor. Forbidden by default (protected to avoid g++ warnings).

Definition at line 150 of file ArithDSSIterator.h.

150{};

◆ ~ArithDSSIterator()

template<typename TInteger, int connectivity = 8>

DGtal::ArithDSSIterator< TInteger, connectivity >::~ArithDSSIterator ( )

inline

Destructor.

Definition at line 157 of file ArithDSSIterator.h.

157{};

◆ ArithDSSIterator() [3/3]

template<typename TInteger, int connectivity = 8>

DGtal::ArithDSSIterator< TInteger, connectivity >::ArithDSSIterator ( const ArithDSSIterator< TInteger, connectivity > & other )

Copy constructor.

Parameters

other the object to clone. Forbidden by default.

References ArithDSSIterator().

Member Function Documentation

◆ BOOST_CONCEPT_ASSERT()

template<typename TInteger, int connectivity = 8>

DGtal::ArithDSSIterator< TInteger, connectivity >::BOOST_CONCEPT_ASSERT ( (concepts::CInteger< Integer >) )

◆ isValid()

template<typename TInteger, int connectivity = 8>

bool DGtal::ArithDSSIterator< TInteger, connectivity >::isValid ( ) const

Checks the validity/consistency of the object.

Returns: 'true' if the object is valid, 'false' otherwise.

◆ operator!=()

template<typename TInteger, int connectivity = 8>

bool DGtal::ArithDSSIterator< TInteger, connectivity >::operator!= ( const Self & other ) const

Difference operator.

Parameters

other the object to compare with.

Returns: 'false' if equal, 'true' otherwise

◆ operator*()

template<typename TInteger, int connectivity = 8>

reference DGtal::ArithDSSIterator< TInteger, connectivity >::operator* ( ) const

Dereference operator.

Returns: the current point of the DSS

◆ operator++() [1/2]

template<typename TInteger, int connectivity = 8>

Self & DGtal::ArithDSSIterator< TInteger, connectivity >::operator++ ( )

Prefix increment operator.

Returns: a reference to self where myP has been set up to the next point of the DSS

◆ operator++() [2/2]

template<typename TInteger, int connectivity = 8>

Self DGtal::ArithDSSIterator< TInteger, connectivity >::operator++ ( int a )

Postfix increment operator.

Parameters

a	number of unit increments

Returns: self

◆ operator=()

template<typename TInteger, int connectivity = 8>

Self & DGtal::ArithDSSIterator< TInteger, connectivity >::operator= ( const Self & other )

Assignment.

Parameters

other the object to copy.

Returns: a reference on 'this'. Forbidden by default.

◆ operator==()

template<typename TInteger, int connectivity = 8>

bool DGtal::ArithDSSIterator< TInteger, connectivity >::operator== ( const Self & other ) const

Equality operator.

Parameters

other the object to compare with.

Returns: 'true' if the first point and the DSS parameters match and 'false' otherwise

◆ remainder()

template<typename TInteger, int connectivity = 8>

TInteger DGtal::ArithDSSIterator< TInteger, connectivity >::remainder ( const Point & Q )

Compute the remainder of a point wrt the DSS characteristics

Parameters

Q a point

Returns: Integer its remainder

◆ selfDisplay()

template<typename TInteger, int connectivity = 8>

void DGtal::ArithDSSIterator< TInteger, connectivity >::selfDisplay ( std::ostream & out ) const

Writes/Displays the object on an output stream.

Parameters

out	the output stream where the object is written.

Field Documentation

◆ myA

template<typename TInteger, int connectivity = 8>

Integer DGtal::ArithDSSIterator< TInteger, connectivity >::myA

private

y-component of the direction vector

Definition at line 183 of file ArithDSSIterator.h.

◆ myB

template<typename TInteger, int connectivity = 8>

Integer DGtal::ArithDSSIterator< TInteger, connectivity >::myB

private

x-component of the direction vector

Definition at line 188 of file ArithDSSIterator.h.

◆ myMu

template<typename TInteger, int connectivity = 8>

Integer DGtal::ArithDSSIterator< TInteger, connectivity >::myMu

private

Intercept

Definition at line 193 of file ArithDSSIterator.h.

◆ myP

template<typename TInteger, int connectivity = 8>

Point DGtal::ArithDSSIterator< TInteger, connectivity >::myP

private

Current point of the DSS visited by the iterator

Definition at line 198 of file ArithDSSIterator.h.

The documentation for this class was generated from the following file:

ArithDSSIterator.h

Public Types

Public Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ difference_type

◆ Integer

◆ iterator_category

◆ Point

◆ pointer

◆ reference

◆ Self

◆ value_type

Constructor & Destructor Documentation

◆ ArithDSSIterator() [1/3]

◆ ArithDSSIterator() [2/3]

◆ ~ArithDSSIterator()

◆ ArithDSSIterator() [3/3]

Member Function Documentation

◆ BOOST_CONCEPT_ASSERT()

◆ isValid()

◆ operator!=()

◆ operator*()

◆ operator++() [1/2]

◆ operator++() [2/2]

◆ operator=()

◆ operator==()

◆ remainder()

◆ selfDisplay()

Field Documentation

◆ myA

◆ myB

◆ myMu

◆ myP