PrerenderedElement Class Reference

base class for prerendered elements like labels, pixmaps, markers, etc. More...

#include <KDChartTextLabelCache.h>

Inheritance diagram for PrerenderedElement:

Public Member Functions
	PrerenderedElement ()
virtual	~PrerenderedElement ()
virtual const QPixmap &	pixmap () const =0
const QPointF &	position () const
KDChartEnums::PositionValue	referencePoint () const
virtual QPointF	referencePointLocation (KDChartEnums::PositionValue) const =0
void	setPosition (const QPointF &position)
void	setReferencePoint (KDChartEnums::PositionValue)

Protected Member Functions
virtual void	invalidate () const =0

Detailed Description

base class for prerendered elements like labels, pixmaps, markers, etc.

Definition at line 24 of file KDChartTextLabelCache.h.

Constructor & Destructor Documentation

PrerenderedElement()

PrerenderedElement::PrerenderedElement

(

)

Definition at line 46 of file KDChartTextLabelCache.cpp.

~PrerenderedElement()

virtual PrerenderedElement::~PrerenderedElement ( )

inlinevirtual

Definition at line 28 of file KDChartTextLabelCache.h.

Member Function Documentation

invalidate()

virtual void PrerenderedElement::invalidate ( ) const

protectedpure virtual

invalidate() needs to be called if any of the properties that determine the visual appearance of the prerendered element change. It can be called for a const object, as objects may need to force recalculation of the pixmap.

Implemented in PrerenderedLabel.

pixmap()

virtual const QPixmap& PrerenderedElement::pixmap ( ) const

pure virtual

Returns the rendered element. If any of the properties have change, the element will be regenerated.

Implemented in PrerenderedLabel.

position()

const QPointF & PrerenderedElement::position

(

)

const

Get the position of the element.

Definition at line 55 of file KDChartTextLabelCache.cpp.

Referenced by PrerenderedLabel::referencePointLocation(), and setPosition().

referencePoint()

KDChartEnums::PositionValue PrerenderedElement::referencePoint

(

)

const

Get the reference point of the element.

Definition at line 65 of file KDChartTextLabelCache.cpp.

Referenced by PrerenderedLabel::referencePointLocation().

referencePointLocation()

virtual QPointF PrerenderedElement::referencePointLocation ( KDChartEnums::PositionValue  ) const

pure virtual

Return the location of the reference point relatively to the pixmap's origin.

Implemented in PrerenderedLabel.

setPosition()

void PrerenderedElement::setPosition

(

const QPointF &

position

)

Set the position of the element.

Definition at line 50 of file KDChartTextLabelCache.cpp.

References position().

setReferencePoint()

void PrerenderedElement::setReferencePoint

(

KDChartEnums::PositionValue

point

)

Set the reference point of the element. Every element has nine possible reference points (all compass directions, plus the center.

Definition at line 60 of file KDChartTextLabelCache.cpp.

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

• KDChartTextLabelCache.h
• KDChartTextLabelCache.cpp