DtTMBackground Class Reference

This class does nothing at all. More...

Inheritance diagram for DtTMBackground:

Public Member Functions
	DtTMBackground ()
	default constructor
	DtTMBackground (const DtTMBackground &orig)
	default copy constructor
virtual	~DtTMBackground ()
	default destructor
DtTMBackground &	operator= (const DtTMBackground &rhs)
	default assignment operator
virtual bool	init (DtTMArea *area)
	This function must be called or else nothing will happen.
virtual void	draw (QPainter *painter=NULL)=0
	Overload these functions in a working background class.
virtual void	clear ()=0
virtual const DtTMViewportExtents *	viewportExtents () const
virtual void	setViewportExtents (DtTMViewportExtents *v)
virtual QPixmap *	pixmap () const
virtual void	setPixmap (QPixmap *)
	Deletes old pixmap and resets new pixmap into lens area.
void	setNeedsRedraw (bool)
bool	needsRedraw () const

Protected Attributes
QPixmap *	myPixmap
DtTMViewportExtents *	myViewportExtents
DtTMArea *	myArea
bool	myNeedsRedraw

Detailed Description

This class does nothing at all.

It is a virtual interface for a real background class such as one that handles pixmaps, terrain, rastermaps, or whatever doohicky you want as a background.

Constructor & Destructor Documentation

DtTMBackground::DtTMBackground

(

)

default constructor

DtTMBackground::DtTMBackground

(

const DtTMBackground &

orig

)

default copy constructor

virtual DtTMBackground::~DtTMBackground ( )

virtual

default destructor

Member Function Documentation

DtTMBackground& DtTMBackground::operator=

(

const DtTMBackground &

rhs

)

default assignment operator

virtual bool DtTMBackground::init ( DtTMArea *  area )

virtual

This function must be called or else nothing will happen.

Reimplemented in DtTerrainBackground, and DtPixmapBackground.

virtual void DtTMBackground::draw ( QPainter *  painter = NULL )

pure virtual

Overload these functions in a working background class.

Implemented in DtTerrainBackground, and DtPixmapBackground.

virtual void DtTMBackground::clear ( )

pure virtual

Implemented in DtTerrainBackground, and DtPixmapBackground.

virtual const DtTMViewportExtents* DtTMBackground::viewportExtents ( ) const

virtual

virtual void DtTMBackground::setViewportExtents ( DtTMViewportExtents *  v )

virtual

virtual QPixmap* DtTMBackground::pixmap ( ) const

virtual

virtual void DtTMBackground::setPixmap ( QPixmap *  )

virtual

Deletes old pixmap and resets new pixmap into lens area.

void DtTMBackground::setNeedsRedraw ( bool  b )

inline

References myNeedsRedraw.

bool DtTMBackground::needsRedraw ( ) const

inline

References myNeedsRedraw.

Member Data Documentation

QPixmap* DtTMBackground::myPixmap

protected

DtTMViewportExtents* DtTMBackground::myViewportExtents

protected

DtTMArea* DtTMBackground::myArea

protected

bool DtTMBackground::myNeedsRedraw

protected

Referenced by needsRedraw(), and setNeedsRedraw().

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

• include/tmqt/tmBackground.h