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

Public Types
using	iterator_category = std::bidirectional_iterator_tag

using	value_type = Point

using	difference_type = int

using	pointer = Point *

using	reference = Point

Public Member Functions
	ConstIterator ()

	ConstIterator (ConstAlias< FreemanChain > aChain, Index n=0)

	ConstIterator (ConstAlias< FreemanChain > aChain, Index n, const Point &XY)

	ConstIterator (const ConstIterator &aOther)

ConstIterator &	operator= (const ConstIterator &other)

	~ConstIterator ()

const Point &	operator* () const

const Point &	get () const

ConstIterator &	operator++ ()

ConstIterator	operator++ (int)

void	next ()

void	nextInLoop ()

Index	position () const

const FreemanChain *	getChain () const

char	getCode () const

ConstIterator &	operator-- ()

ConstIterator	operator-- (int)

void	previous ()

void	previousInLoop ()

bool	operator== (const ConstIterator &aOther) const

bool	operator!= (const ConstIterator &aOther) const

bool	operator< (const ConstIterator &aOther) const

Private Attributes
const FreemanChain *	myFc
	The Freeman chain visited by the iterator.

Index	myPos
	The current position in the word.

Point	myXY
	The current coordinates of the iterator.

Detailed Description

template<typename TInteger>
class DGtal::FreemanChain< TInteger >::ConstIterator

This class represents an iterator on points defined by freeman chain, storing the current coordinate.

Examples: geometry/curves/exampleAlphaThickSegment.cpp.

Definition at line 143 of file FreemanChain.h.

Member Typedef Documentation

◆ difference_type

template<typename TInteger >

using DGtal::FreemanChain< TInteger >::ConstIterator::difference_type = int

Definition at line 149 of file FreemanChain.h.

◆ iterator_category

template<typename TInteger >

using DGtal::FreemanChain< TInteger >::ConstIterator::iterator_category = std::bidirectional_iterator_tag

Definition at line 147 of file FreemanChain.h.

◆ pointer

template<typename TInteger >

using DGtal::FreemanChain< TInteger >::ConstIterator::pointer = Point*

Definition at line 150 of file FreemanChain.h.

◆ reference

template<typename TInteger >

using DGtal::FreemanChain< TInteger >::ConstIterator::reference = Point

Definition at line 151 of file FreemanChain.h.

◆ value_type

template<typename TInteger >

using DGtal::FreemanChain< TInteger >::ConstIterator::value_type = Point

Definition at line 148 of file FreemanChain.h.

Constructor & Destructor Documentation

◆ ConstIterator() [1/4]

template<typename TInteger >

DGtal::FreemanChain< TInteger >::ConstIterator::ConstIterator ( )

inline

Default Constructor. The object is not valid.

Definition at line 173 of file FreemanChain.h.

174 : myFc( NULL ), myPos( 0 )

175 { }

DGtal::FreemanChain::ConstIterator::myPos

Index myPos

The current position in the word.

Definition FreemanChain.h:161

DGtal::FreemanChain::ConstIterator::myFc

const FreemanChain * myFc

The Freeman chain visited by the iterator.

Definition FreemanChain.h:158

◆ ConstIterator() [2/4]

template<typename TInteger >

DGtal::FreemanChain< TInteger >::ConstIterator::ConstIterator	(	ConstAlias< FreemanChain >	aChain,
		Index	n = `0`
	)

Constructor. Nb: complexity in O(n).

Parameters

aChain	a Freeman chain,
n	the position in [chain] (within 0 and chain.size()).

◆ ConstIterator() [3/4]

template<typename TInteger >

DGtal::FreemanChain< TInteger >::ConstIterator::ConstIterator	(	ConstAlias< FreemanChain >	aChain,
		Index	n,
		const Point &	XY
	)

inline

Constructor. It is the user's responsability to make sure that the data's are consistent. No verification is performed.

Nb: complexity in O(1).

Parameters

aChain	a Freeman chain,
n	the position in [chain] (within 0 and chain.size()).
XY	the point corresponding to the 'n'-th position of 'chain'.

Definition at line 198 of file FreemanChain.h.

199 : myFc( &aChain ), myPos( n ), myXY ( XY )

200 { }

DGtal::FreemanChain::ConstIterator::myXY

Point myXY

The current coordinates of the iterator.

Definition FreemanChain.h:164

◆ ConstIterator() [4/4]

template<typename TInteger >

DGtal::FreemanChain< TInteger >::ConstIterator::ConstIterator ( const ConstIterator & aOther )

inline

Copy constructor.

Parameters

aOther the iterator to clone.

Definition at line 206 of file FreemanChain.h.

207 : myFc( aOther.myFc ), myPos( aOther.myPos ), myXY( aOther.myXY )

208 { }

◆ ~ConstIterator()

template<typename TInteger >

DGtal::FreemanChain< TInteger >::ConstIterator::~ConstIterator ( )

inline

Destructor. Does nothing.

Definition at line 220 of file FreemanChain.h.

221 { }

Member Function Documentation

◆ get()

template<typename TInteger >

const Point & DGtal::FreemanChain< TInteger >::ConstIterator::get ( ) const

inline

Returns: the current coordinates.

Definition at line 238 of file FreemanChain.h.

        {
          return myXY;
        }

References DGtal::FreemanChain< TInteger >::ConstIterator::myXY.

◆ getChain()

template<typename TInteger >

const FreemanChain * DGtal::FreemanChain< TInteger >::ConstIterator::getChain ( ) const

inline

Returns: the associated Freeman chain.

Definition at line 287 of file FreemanChain.h.

        {
          return myFc;
        }

References DGtal::FreemanChain< TInteger >::ConstIterator::myFc.

◆ getCode()

template<typename TInteger >

char DGtal::FreemanChain< TInteger >::ConstIterator::getCode ( ) const

inline

Returns: the current Freeman code (specifies the movement to the next point).

Definition at line 297 of file FreemanChain.h.

        {
          ASSERT( myFc != 0 );
          return myFc->code( myPos );
        }

References DGtal::FreemanChain< TInteger >::code(), DGtal::FreemanChain< TInteger >::ConstIterator::myFc, and DGtal::FreemanChain< TInteger >::ConstIterator::myPos.

◆ next()

template<typename TInteger >

void DGtal::FreemanChain< TInteger >::ConstIterator::next ( )

Goes to the next point on the chain.

Referenced by DGtal::FreemanChain< TInteger >::ConstIterator::operator++(), and DGtal::FreemanChain< TInteger >::ConstIterator::operator++().

◆ nextInLoop()

template<typename TInteger >

void DGtal::FreemanChain< TInteger >::ConstIterator::nextInLoop ( )

Goes to the next point on the chain as if on a loop.

◆ operator!=()

template<typename TInteger >

bool DGtal::FreemanChain< TInteger >::ConstIterator::operator!= ( const ConstIterator & aOther ) const

inline

Inequality operator.

Parameters

aOther the iterator to compare with (must be defined on the same chain).

Returns: 'true' if their current positions differs.

Definition at line 361 of file FreemanChain.h.

        {
          ASSERT( myFc == aOther.myFc );
          return myPos != aOther.myPos;
        }

References DGtal::FreemanChain< TInteger >::ConstIterator::myFc, and DGtal::FreemanChain< TInteger >::ConstIterator::myPos.

◆ operator*()

template<typename TInteger >

const Point & DGtal::FreemanChain< TInteger >::ConstIterator::operator* ( ) const

inline

Returns: the current coordinates.

Definition at line 230 of file FreemanChain.h.

        {
          return myXY;
        }

References DGtal::FreemanChain< TInteger >::ConstIterator::myXY.

◆ operator++() [1/2]

template<typename TInteger >

ConstIterator & DGtal::FreemanChain< TInteger >::ConstIterator::operator++ ( )

inline

Pre-increment. Goes to the next point on the chain.

Definition at line 247 of file FreemanChain.h.

        {
          this->next();
          return *this;
        }

References DGtal::FreemanChain< TInteger >::ConstIterator::next().

◆ operator++() [2/2]

template<typename TInteger >

ConstIterator DGtal::FreemanChain< TInteger >::ConstIterator::operator++ ( int )

inline

Post-increment. Goes to the next point on the chain.

Definition at line 257 of file FreemanChain.h.

        {
          ConstIterator tmp(*this);
          this->next();
          return tmp;
        }

References DGtal::FreemanChain< TInteger >::ConstIterator::next().

◆ operator--() [1/2]

template<typename TInteger >

ConstIterator & DGtal::FreemanChain< TInteger >::ConstIterator::operator-- ( )

inline

Pre-decrement. Goes to the previous point on the chain.

Definition at line 308 of file FreemanChain.h.

        {
          this->previous();
          return *this;
        }

References DGtal::FreemanChain< TInteger >::ConstIterator::previous().

◆ operator--() [2/2]

template<typename TInteger >

ConstIterator DGtal::FreemanChain< TInteger >::ConstIterator::operator-- ( int )

inline

Post-decrement. Goes to the previous point on the chain.

Definition at line 318 of file FreemanChain.h.

        {
          ConstIterator tmp(*this);
          this->previous();
          return tmp;
        }

References DGtal::FreemanChain< TInteger >::ConstIterator::previous().

◆ operator<()

template<typename TInteger >

bool DGtal::FreemanChain< TInteger >::ConstIterator::operator< ( const ConstIterator & aOther ) const

inline

Inferior operator.

Parameters

aOther the iterator to compare with (must be defined on the same chain).

Returns: 'true' if the current position of 'this' is before the current position of [aOther].

Definition at line 376 of file FreemanChain.h.

        {
          ASSERT( myFc == aOther.myFc );
          return myPos < aOther.myPos;
        }

References DGtal::FreemanChain< TInteger >::ConstIterator::myFc, and DGtal::FreemanChain< TInteger >::ConstIterator::myPos.

◆ operator=()

template<typename TInteger >

ConstIterator & DGtal::FreemanChain< TInteger >::ConstIterator::operator= ( const ConstIterator & other )

Assignment.

Parameters

other the iterator to copy.

Returns: a reference on 'this'.

◆ operator==()

template<typename TInteger >

bool DGtal::FreemanChain< TInteger >::ConstIterator::operator== ( const ConstIterator & aOther ) const

inline

Equality operator.

Parameters

aOther the iterator to compare with (must be defined on the same chain).

Returns: 'true' if their current positions coincide.

Definition at line 346 of file FreemanChain.h.

        {
          ASSERT( myFc == aOther.myFc );
          return myPos == aOther.myPos;
        }

References DGtal::FreemanChain< TInteger >::ConstIterator::myFc, and DGtal::FreemanChain< TInteger >::ConstIterator::myPos.

◆ position()

template<typename TInteger >

Index DGtal::FreemanChain< TInteger >::ConstIterator::position ( ) const

inline

Returns: the current position (as an index in the Freeman chain).

Definition at line 278 of file FreemanChain.h.

        {
          return myPos;
        }

References DGtal::FreemanChain< TInteger >::ConstIterator::myPos.

◆ previous()

template<typename TInteger >

void DGtal::FreemanChain< TInteger >::ConstIterator::previous ( )

Goes to the previous point on the chain if possible.

Referenced by DGtal::FreemanChain< TInteger >::ConstIterator::operator--(), and DGtal::FreemanChain< TInteger >::ConstIterator::operator--().

◆ previousInLoop()

template<typename TInteger >

void DGtal::FreemanChain< TInteger >::ConstIterator::previousInLoop ( )

Goes to the previous point on the chain as if on a loop.

Field Documentation

◆ myFc

template<typename TInteger >

const FreemanChain* DGtal::FreemanChain< TInteger >::ConstIterator::myFc

private

The Freeman chain visited by the iterator.

Definition at line 158 of file FreemanChain.h.

Referenced by DGtal::FreemanChain< TInteger >::ConstIterator::getChain(), DGtal::FreemanChain< TInteger >::ConstIterator::getCode(), DGtal::FreemanChain< TInteger >::ConstIterator::operator!=(), DGtal::FreemanChain< TInteger >::ConstIterator::operator<(), and DGtal::FreemanChain< TInteger >::ConstIterator::operator==().

◆ myPos

template<typename TInteger >

Index DGtal::FreemanChain< TInteger >::ConstIterator::myPos

private

The current position in the word.

Definition at line 161 of file FreemanChain.h.

Referenced by DGtal::FreemanChain< TInteger >::ConstIterator::getCode(), DGtal::FreemanChain< TInteger >::ConstIterator::operator!=(), DGtal::FreemanChain< TInteger >::ConstIterator::operator<(), DGtal::FreemanChain< TInteger >::ConstIterator::operator==(), and DGtal::FreemanChain< TInteger >::ConstIterator::position().

◆ myXY

template<typename TInteger >

Point DGtal::FreemanChain< TInteger >::ConstIterator::myXY

private

The current coordinates of the iterator.

Definition at line 164 of file FreemanChain.h.

Referenced by DGtal::FreemanChain< TInteger >::ConstIterator::get(), and DGtal::FreemanChain< TInteger >::ConstIterator::operator*().

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

FreemanChain.h

Public Types

Public Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ difference_type

◆ iterator_category

◆ pointer

◆ reference

◆ value_type

Constructor & Destructor Documentation

◆ ConstIterator() [1/4]

◆ ConstIterator() [2/4]

◆ ConstIterator() [3/4]

◆ ConstIterator() [4/4]

◆ ~ConstIterator()

Member Function Documentation

◆ get()

◆ getChain()

◆ getCode()

◆ next()

◆ nextInLoop()

◆ operator!=()

◆ operator*()

◆ operator++() [1/2]

◆ operator++() [2/2]

◆ operator--() [1/2]

◆ operator--() [2/2]

◆ operator<()

◆ operator=()

◆ operator==()

◆ position()

◆ previous()

◆ previousInLoop()

Field Documentation

◆ myFc

◆ myPos

◆ myXY