LineObs Class Reference

find lines in the video frames More...

#include <FrameObserver.h>

Inheritance diagram for LineObs:

Collaboration diagram for LineObs:

Public Member Functions
	LineObs ()
	LineObs (const LineObs &lo)
LineObs &	operator= (const LineObs &lo)
	~LineObs ()
void	FrameNotifyGray (IplImage *img, IplImage *gray, int frameNr)
	override me More...
const char *	GetName () const
	the name of the observer More...
void	EnterCriticalSection ()
std::vector< Line > &	GetData ()
void	LeaveCriticalSection ()
Public Member Functions inherited from FrameObsAutoGray
	FrameObsAutoGray ()
	~FrameObsAutoGray ()
void	FrameNotify (IplImage *img, int frameNr)
	notification of a new frame More...
Public Member Functions inherited from FrameObs
virtual void	RegionInfoNotify (const std::vector< RegionInfo > &regions)
Public Member Functions inherited from ReferenceCount
	ReferenceCount ()
virtual	~ReferenceCount ()
void	IncRefCount ()
void	DecRefCount ()

Protected Attributes
mhthreads::Mutex	mutex
	mutex for the result More...
std::vector< Line >	lastResult
	the last result of the line finding algo More...

Private Attributes
IplImage *	canny
CvMemStorage *	storage
GCPointer< FrameObs >	win

Additional Inherited Members
Private Member Functions inherited from ImageCopy
	ImageCopy (int divi=1)
	~ImageCopy ()
IplImage *	GetCurCopy ()
IplImage *	GetCopy (IplImage *img, int frameNr)

Detailed Description

find lines in the video frames

Todo:

encapsulate the mutex and the result

only calc lines on demand?

Definition at line 747 of file FrameObserver.h.

Constructor & Destructor Documentation

LineObs::LineObs

(

)

Definition at line 755 of file FrameObserver.h.

References MHDBGMSG, and win.

LineObs::LineObs

(

const LineObs &

lo)

Definition at line 760 of file FrameObserver.h.

References MHDBGMSG, and win.

LineObs::~LineObs

(

)

Definition at line 769 of file FrameObserver.h.

References canny, MHDBGMSG, storage, and win.

Member Function Documentation

void LineObs::EnterCriticalSection ( )

virtual

Implements ResultSource< Line >.

Definition at line 816 of file FrameObserver.h.

References mhthreads::Mutex::Enter(), and mutex.

void LineObs::FrameNotifyGray ( IplImage *  img, IplImage *  gray, int  frameNr  )

virtual

override me

Implements FrameObsAutoGray.

Definition at line 776 of file FrameObserver.h.

References canny, mhthreads::Mutex::Enter(), FrameObs::FrameNotify(), ImageCopy::GetCopy(), lastResult, mhthreads::Mutex::Leave(), MHDBGMSG, mutex, storage, and win.

std::vector<Line>& LineObs::GetData ( )

virtual

Implements ResultSource< Line >.

Definition at line 819 of file FrameObserver.h.

References lastResult.

const char* LineObs::GetName ( ) const

virtual

the name of the observer

This is used to avoid that two instances of the same observer class are added to the observer list.

See Also

FrameLoop

Implements FrameObs.

Definition at line 805 of file FrameObserver.h.

void LineObs::LeaveCriticalSection ( )

virtual

Implements ResultSource< Line >.

Definition at line 822 of file FrameObserver.h.

References mhthreads::Mutex::Leave(), and mutex.

LineObs& LineObs::operator=

(

const LineObs &

lo)

Definition at line 764 of file FrameObserver.h.

References canny, and storage.

Member Data Documentation

IplImage* LineObs::canny

private

Definition at line 749 of file FrameObserver.h.

Referenced by FrameNotifyGray(), operator=(), and ~LineObs().

std::vector<Line> LineObs::lastResult

protected

the last result of the line finding algo

Definition at line 813 of file FrameObserver.h.

Referenced by FrameNotifyGray(), and GetData().

mhthreads::Mutex LineObs::mutex

protected

mutex for the result

Definition at line 811 of file FrameObserver.h.

Referenced by EnterCriticalSection(), FrameNotifyGray(), and LeaveCriticalSection().

CvMemStorage* LineObs::storage

private

Definition at line 750 of file FrameObserver.h.

Referenced by FrameNotifyGray(), operator=(), and ~LineObs().

GCPointer<FrameObs> LineObs::win

private

Definition at line 752 of file FrameObserver.h.

Referenced by FrameNotifyGray(), LineObs(), and ~LineObs().

---

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

• FrameObserver.h