QwtPolarMarker Class Reference

A class for drawing markers. More...

#include <qwt_polar_marker.h>

Inheritance diagram for QwtPolarMarker:

Classes
class	PrivateData

Public Member Functions
	QwtPolarMarker ()
	Constructor.
virtual	~QwtPolarMarker ()
	Destructor.
virtual int	rtti () const override
	Get the runtime type information.
void	setPosition (const QwtPointPolar &)
	Set the position.
QwtPointPolar	position () const
	Get the position.
void	setSymbol (const QwtSymbol *s)
	Set the symbol.
const QwtSymbol *	symbol () const
	Get the symbol.
void	setLabel (const QwtText &)
	Set the label.
QwtText	label () const
	Get the label.
void	setLabelAlignment (Qt::Alignment)
	Set the label alignment.
Qt::Alignment	labelAlignment () const
	Get the label alignment.
virtual void	draw (QPainter *painter, const QwtScaleMap &azimuthMap, const QwtScaleMap &radialMap, const QPointF &pole, double radius, const QRectF &canvasRect) const override
	Draw the marker.
virtual QwtInterval	boundingInterval (int scaleId) const override
	Get the bounding interval for a scale.
Public Member Functions inherited from QwtPolarItem
	QwtPolarItem (const QwtText &title=QwtText())
	Constructor.
virtual	~QwtPolarItem ()
	Destructor.
void	attach (QwtPolarPlot *plot)
	Attach the item to a plot.
void	detach ()
	Detach the item from its plot.
QwtPolarPlot *	plot () const
	Get the attached plot.
void	setTitle (const QString &title)
	Set the title from a QString.
void	setTitle (const QwtText &title)
	Set the title from a QwtText.
const QwtText &	title () const
	Get the title.
void	setItemAttribute (ItemAttribute, bool on=true)
	Set an item attribute.
bool	testItemAttribute (ItemAttribute) const
	Test an item attribute.
void	setRenderHint (RenderHint, bool on=true)
	Set a render hint.
bool	testRenderHint (RenderHint) const
	Test a render hint.
void	setRenderThreadCount (uint numThreads)
	Set the number of render threads.
uint	renderThreadCount () const
	Get the number of render threads.
double	z () const
	Get the z value.
void	setZ (double z)
	Set the z value.
void	show ()
	Show the item.
void	hide ()
	Hide the item.
virtual void	setVisible (bool)
	Set the visibility.
bool	isVisible () const
	Get the visibility.
virtual void	itemChanged ()
	Update the item and trigger autoRefresh.
virtual void	legendChanged ()
	Update the legend.
virtual void	updateScaleDiv (const QwtScaleDiv &, const QwtScaleDiv &, const QwtInterval &)
	Update the scale division.
virtual int	marginHint () const
	Get the margin hint.
void	setLegendIconSize (const QSize &)
	Set the legend icon size.
QSize	legendIconSize () const
	Get the legend icon size.
virtual QList< QwtLegendData >	legendData () const
	Get the legend data.
virtual QwtGraphic	legendIcon (int index, const QSizeF &) const
	Get the legend icon.

Additional Inherited Members
Public Types inherited from QwtPolarItem
enum	RttiValues {   Rtti_PolarItem = 0 , Rtti_PolarGrid , Rtti_PolarMarker , Rtti_PolarCurve ,   Rtti_PolarSpectrogram , Rtti_PolarUserItem = 1000 }
enum	ItemAttribute { Legend = 0x01 , AutoScale = 0x02 }
enum	RenderHint { RenderAntialiased = 0x01 }

Detailed Description

A class for drawing markers.

Constructor & Destructor Documentation

QwtPolarMarker()

QwtPolarMarker::QwtPolarMarker ( )

explicit

Constructor.

~QwtPolarMarker()

QwtPolarMarker::~QwtPolarMarker ( )

virtual

Destructor.

Destructor

.

Member Function Documentation

boundingInterval()

QwtInterval QwtPolarMarker::boundingInterval ( int  scaleId ) const

overridevirtual

Get the bounding interval for a scale.

Get the bounding interval necessary to display the item.

Reimplemented from QwtPolarItem.

draw()

void QwtPolarMarker::draw ( QPainter *  painter, const QwtScaleMap &  azimuthMap, const QwtScaleMap &  radialMap, const QPointF &  pole, double  radius, const QRectF &  canvasRect  ) const

overridevirtual

Draw the marker.

Implements QwtPolarItem.

label()

QwtText QwtPolarMarker::label

(

)

const

Get the label.

Get the label text.

labelAlignment()

Qt::Alignment QwtPolarMarker::labelAlignment

(

)

const

Get the label alignment.

position()

QwtPointPolar QwtPolarMarker::position

(

)

const

Get the position.

Get the position of the marker.

rtti()

int QwtPolarMarker::rtti ( ) const

overridevirtual

Get the runtime type information.

Reimplemented from QwtPolarItem.

setLabel()

void QwtPolarMarker::setLabel

(

const QwtText &

label

)

Set the label.

Set the label text.

setLabelAlignment()

void QwtPolarMarker::setLabelAlignment

(

Qt::Alignment

align

)

Set the label alignment.

Set the alignment of the label.

setPosition()

void QwtPolarMarker::setPosition

(

const QwtPointPolar &

pos

)

Set the position.

Set the position of the marker.

setSymbol()

void QwtPolarMarker::setSymbol

(

const QwtSymbol *

symbol

)

Set the symbol.

Assign a symbol.

symbol()

const QwtSymbol * QwtPolarMarker::symbol

(

)

const

Get the symbol.

Get the current symbol.

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

• /home/runner/work/QWT/QWT/src/plot/qwt_polar_marker.h
• /home/runner/work/QWT/QWT/src/plot/qwt_polar_marker.cpp