DataObserver Class Reference

Abstract base class of data observer. More...

#include <data_observer.hh>

Inherited by Argand, and DataViewerPanelBase.

Public Member Functions
	DataObserver (const Data &d)
	DataObserver (const DataObserver &o)
DataObserver &	operator= (const DataObserver &o)
virtual	~DataObserver ()
virtual void	ObserverUpdate ()
virtual void	ObserverUpdate (const Extent &)
virtual void	ObserverUpdate (const Point &)
virtual void	ObserverRelease ()=0
void	ObserverInvalidate ()
virtual const Data &	GetObservedData () const
bool	IsDataValid () const
Protected Member Functions
void	SetObservedData (const Data &d)
bool	is_valid () const

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Detailed Description

Abstract base class of data observer.

Definition at line 60 of file data_observer.hh.

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Constructor & Destructor Documentation

DataObserver

(

const Data &

d

)

constructor

requires reference to data, then attaches itself to data

DataObserver

(

const DataObserver &

o

)

virtual ~DataObserver

(

)

[virtual]

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Member Function Documentation

virtual const Data& GetObservedData

(

)

const [virtual]

Returns data that is observed.

bool is_valid

(

)

const [protected]

bool IsDataValid

(

)

const [inline]

Definition at line 97 of file data_observer.hh.

void ObserverInvalidate

(

)

Called after ObserverRelease.

virtual void ObserverRelease

(

)

[pure virtual]

Called if data is released from memory.

Implemented in Argand, and DataViewerPanelBase.

virtual void ObserverUpdate

(

const Point &

)

[virtual]

special update, calls ObserverUpdate() by default

Reimplemented in Argand, and DataViewerPanelBase.

virtual void ObserverUpdate

(

const Extent &

)

[virtual]

special update, calls ObserverUpdate() by default

Reimplemented in Argand, and DataViewerPanelBase.

virtual void ObserverUpdate

(

)

[virtual]

called upon data change, noop by default

Reimplemented in Argand, DataViewerPanelBase, and FFTPanel.

DataObserver& operator=

(

const DataObserver &

o

)

void SetObservedData

(

const Data &

d

)

[protected]

Set new data to observe.

Automatically unregister previously observed data

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

• stage/include/ost/img/data_observer.hh