VISP_NAMESPACE_NAME::vpDirection Class Reference

#include <visp3/imgproc/vpContours.h>

Public Member Functions
	vpDirection ()
vpDirection	clockwise ()
vpDirection	counterClockwise ()
VISP_NAMESPACE_ADDRESSING vpImagePoint	active (const VISP_NAMESPACE_ADDRESSING vpImage< int > &I, const VISP_NAMESPACE_ADDRESSING vpImagePoint &point)

Public Attributes
vpDirectionType	m_direction
int	m_dirx [8]
int	m_diry [8]

Detailed Description

Direction object.

Definition at line 99 of file vpContours.h.

Constructor & Destructor Documentation

vpDirection()

VISP_NAMESPACE_NAME::vpDirection::vpDirection ( )

inline

Default constructor.

Definition at line 114 of file vpContours.h.

References m_direction, m_dirx, m_diry, and VISP_NAMESPACE_NAME::NORTH.

Member Function Documentation

active()

VISP_NAMESPACE_ADDRESSING vpImagePoint VISP_NAMESPACE_NAME::vpDirection::active ( const VISP_NAMESPACE_ADDRESSING vpImage< int > &  I, const VISP_NAMESPACE_ADDRESSING vpImagePoint &  point  )

inline

Get the next point coordinate along the contour.

Parameters

I	Image to process.
point	Current point coordinate.

Returns

Next point coordinate along the contour.

Definition at line 172 of file vpContours.h.

References vpImage< Type >::getHeight(), vpImage< Type >::getWidth(), m_direction, m_dirx, and m_diry.

Referenced by VISP_NAMESPACE_NAME::followBorder().

clockwise()

vpDirection VISP_NAMESPACE_NAME::vpDirection::clockwise ( )

inline

Turn clockwise to find the next pixel along the contour.

Returns

Direction to take.

Definition at line 143 of file vpContours.h.

References VISP_NAMESPACE_NAME::LAST_DIRECTION, and m_direction.

Referenced by VISP_NAMESPACE_NAME::followBorder().

counterClockwise()

vpDirection VISP_NAMESPACE_NAME::vpDirection::counterClockwise ( )

inline

Turn counter clockwise to find the next pixel along the contour.

Returns

Direction to take.

Definition at line 156 of file vpContours.h.

References VISP_NAMESPACE_NAME::LAST_DIRECTION, m_direction, and vpMath::modulo().

Referenced by VISP_NAMESPACE_NAME::followBorder().

Member Data Documentation

m_direction

vpDirectionType VISP_NAMESPACE_NAME::vpDirection::m_direction

Direction.

Definition at line 103 of file vpContours.h.

Referenced by active(), clockwise(), counterClockwise(), VISP_NAMESPACE_NAME::crossesEastBorder(), VISP_NAMESPACE_NAME::followBorder(), VISP_NAMESPACE_NAME::fromTo(), and vpDirection().

m_dirx

int VISP_NAMESPACE_NAME::vpDirection::m_dirx[8]

Pixel increment along x to reach a given direction.

Definition at line 106 of file vpContours.h.

Referenced by active(), and vpDirection().

m_diry

int VISP_NAMESPACE_NAME::vpDirection::m_diry[8]

Pixel increment along y to reach a given direction.

Definition at line 109 of file vpContours.h.

Referenced by active(), and vpDirection().