Basic Image AlgorithmS Library: BIAS::Bresenham Class Reference

Basic Image AlgorithmS Library 2.8.0

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Scans a line using Bresenhams integer arithmetic algorithm. More...

#include <Base/ImageUtils/Bresenham.hh>

Inheritance diagram for BIAS::Bresenham:

Collaboration diagram for BIAS::Bresenham:

Public Member Functions
	Bresenham ()

	Bresenham (const int start[2], const int end[2])

	Bresenham (const unsigned int start[2], const unsigned int end[2])

	Bresenham (const double start[2], const double end[2])

bool	GetNext (int next[2])

bool	GetNext (unsigned int next[2])

bool	GetNext (double next[2])

void	Init (const int start[2], const int end[2])

void	Init (const unsigned int start[2], const unsigned int end[2])

void	Init (const double start[2], const double end[2])

	~Bresenham ()

Protected Attributes
bool	_bInitialized

double	_dDx

double	_dDy

enum TLineType	_eLineType

int	_iDx

int	_iDy

int	_iEnd [2]

long int	_iEps

int	_iStart [2]

EightWaySymmetry< int >	_iSym

int	_iTransformedCurrent [2]

int	_iTransformedEnd [2]

int	_iTransformedStart [2]

Detailed Description

Scans a line using Bresenhams integer arithmetic algorithm.

Either Init() or the according constructor have to be called befor GetNext().

Author: Felix Woelk

Examples:: ExampleBresenham.cpp.

Definition at line 42 of file Bresenham.hh.

Constructor & Destructor Documentation

BIAS::Bresenham::Bresenham ( )

inline

Definition at line 91 of file Bresenham.hh.

References _bInitialized.

BIAS::Bresenham::Bresenham	(	const int	start[2],
		const int	end[2]
	)

inline

Definition at line 101 of file Bresenham.hh.

References _bInitialized, and Init().

BIAS::Bresenham::Bresenham	(	const unsigned int	start[2],
		const unsigned int	end[2]
	)

inline

Definition at line 109 of file Bresenham.hh.

References _bInitialized, and Init().

BIAS::Bresenham::Bresenham	(	const double	start[2],
		const double	end[2]
	)

inline

Definition at line 117 of file Bresenham.hh.

References _bInitialized, and Init().

BIAS::Bresenham::~Bresenham ( )

inline

Definition at line 98 of file Bresenham.hh.

Member Function Documentation

bool BIAS::Bresenham::GetNext ( int next[2] )

inline

Examples:: ExampleBresenham.cpp.

Definition at line 185 of file Bresenham.hh.

References _bInitialized, _eLineType, _iDx, _iDy, _iEps, _iSym, _iTransformedCurrent, _iTransformedEnd, and BIAS::EightWaySymmetry< T >::InverseTransform().

Referenced by BIAS::ImageDraw< StorageType >::Arrow(), BIAS::EpipolarLine::DrawDistortedLine(), GetNext(), BIAS::ImageDraw< StorageType >::Line(), and BIAS::ImageDraw< StorageType >::LineGrey().

bool BIAS::Bresenham::GetNext ( unsigned int next[2] )

inline

Definition at line 63 of file Bresenham.hh.

References GetNext().

bool BIAS::Bresenham::GetNext ( double next[2] )

inline

Definition at line 213 of file Bresenham.hh.

References _dDx, _dDy, and GetNext().

void BIAS::Bresenham::Init	(	const int	start[2],
		const int	end[2]
	)

inline

Definition at line 125 of file Bresenham.hh.

References _bInitialized, _dDx, _dDy, _eLineType, _iDx, _iDy, _iEnd, _iEps, _iStart, _iSym, _iTransformedCurrent, _iTransformedEnd, _iTransformedStart, BIAS::EightWaySymmetry< T >::DetermineLineType(), and BIAS::EightWaySymmetry< T >::Transform().

Referenced by BIAS::ImageDraw< StorageType >::Arrow(), Bresenham(), Init(), and BIAS::Scanline::Init().

void BIAS::Bresenham::Init	(	const unsigned int	start[2],
		const unsigned int	end[2]
	)

inline

Definition at line 56 of file Bresenham.hh.

References Init().

void BIAS::Bresenham::Init	(	const double	start[2],
		const double	end[2]
	)

inline

Definition at line 146 of file Bresenham.hh.

References _bInitialized, _dDx, _dDy, _eLineType, _iDx, _iDy, _iEnd, _iEps, _iStart, _iSym, _iTransformedCurrent, _iTransformedEnd, _iTransformedStart, BIAS::EightWaySymmetry< T >::DetermineLineType(), and BIAS::EightWaySymmetry< T >::Transform().

Member Data Documentation

bool BIAS::Bresenham::_bInitialized

protected

Definition at line 84 of file Bresenham.hh.

Referenced by Bresenham(), GetNext(), BIAS::Scanline::GetNext(), and Init().

double BIAS::Bresenham::_dDx

protected

Definition at line 80 of file Bresenham.hh.

Referenced by GetNext(), BIAS::Scanline::GetNext(), and Init().

double BIAS::Bresenham::_dDy

protected

Definition at line 81 of file Bresenham.hh.

Referenced by GetNext(), BIAS::Scanline::GetNext(), and Init().

enum TLineType BIAS::Bresenham::_eLineType

protected

Definition at line 71 of file Bresenham.hh.

Referenced by GetNext(), BIAS::Scanline::GetNext(), and Init().

int BIAS::Bresenham::_iDx

protected

Definition at line 78 of file Bresenham.hh.

Referenced by GetNext(), BIAS::Scanline::GetNext(), and Init().

int BIAS::Bresenham::_iDy

protected

Definition at line 79 of file Bresenham.hh.

Referenced by GetNext(), BIAS::Scanline::GetNext(), and Init().

int BIAS::Bresenham::_iEnd[2]

protected

Definition at line 74 of file Bresenham.hh.

Referenced by Init().

long int BIAS::Bresenham::_iEps

protected

Definition at line 82 of file Bresenham.hh.

Referenced by GetNext(), BIAS::Scanline::GetNext(), and Init().

int BIAS::Bresenham::_iStart[2]

protected

Definition at line 73 of file Bresenham.hh.

Referenced by Init().

EightWaySymmetry<int> BIAS::Bresenham::_iSym

protected

Definition at line 69 of file Bresenham.hh.

Referenced by GetNext(), BIAS::Scanline::GetNext(), and Init().

int BIAS::Bresenham::_iTransformedCurrent[2]

protected

Definition at line 75 of file Bresenham.hh.

Referenced by GetNext(), BIAS::Scanline::GetNext(), Init(), and BIAS::Scanline::Init().

int BIAS::Bresenham::_iTransformedEnd[2]

protected

Definition at line 77 of file Bresenham.hh.

Referenced by GetNext(), BIAS::Scanline::GetNext(), and Init().

int BIAS::Bresenham::_iTransformedStart[2]

protected

Definition at line 76 of file Bresenham.hh.

Referenced by Init(), and BIAS::Scanline::Init().

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

Base/ImageUtils/Bresenham.hh