A plot item, which displays a zone. More...

#include <qwt_plot_zoneitem.h>

Inheritance diagram for QwtPlotZoneItem:

Classes
class	PrivateData

Public Member Functions
	QwtPlotZoneItem ()
	Constructor.

virtual	~QwtPlotZoneItem ()
	Destructor .

virtual int	rtti () const override
	Get the runtime type information.

void	setOrientation (Qt::Orientation)
	Set the orientation of the zone.

Qt::Orientation	orientation () const
	Get the orientation of the zone.

void	setInterval (double min, double max)
	Set the interval of the zone.

void	setInterval (const QwtInterval &)
	Set the interval of the zone.

QwtInterval	interval () const
	Get the interval of the zone.

void	setPen (const QColor &, qreal width=0.0, Qt::PenStyle=Qt::SolidLine)
	Build and assign a pen.

void	setPen (const QPen &)
	Assign a pen.

const QPen &	pen () const
	Get the pen used to draw the border lines.

void	setBrush (const QBrush &)
	Assign a brush.

const QBrush &	brush () const
	Get the brush used to fill the zone.

virtual void	draw (QPainter *, const QwtScaleMap &, const QwtScaleMap &, const QRectF &canvasRect) const override
	Draw the zone.

virtual QRectF	boundingRect () const override
	Get the bounding rectangle.

Public Member Functions inherited from QwtPlotItem
	QwtPlotItem ()
	Default constructor.

	QwtPlotItem (const QString &title)
	Constructor with title as QString.

	QwtPlotItem (const QwtText &title)
	Constructor with title as QwtText.

virtual	~QwtPlotItem ()
	Destructor.

void	attach (QwtPlot *plot)
	Attach the item to a plot.

void	detach ()
	Detach the item from the plot.

QwtPlot *	plot () const
	Get the plot the item is attached to.

void	setTitle (const QString &title)
	Set the title using a QString.

void	setTitle (const QwtText &title)
	Set the title using 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	setItemInterest (ItemInterest, bool on=true)
	Set an item interest.

bool	testItemInterest (ItemInterest) const
	Test an item interest.

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.

void	setLegendIconSize (const QSize &)
	Set the legend icon size.

QSize	legendIconSize () const
	Get the legend icon size.

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
	Check if the item is visible.

void	setAxes (QwtAxisId xAxis, QwtAxisId yAxis)
	Set both axes.

void	setXAxis (QwtAxisId)
	Set the x-axis.

QwtAxisId	xAxis () const
	Get the x-axis.

void	setYAxis (QwtAxisId)
	Set the y-axis.

QwtAxisId	yAxis () const
	Get the y-axis.

virtual void	itemChanged ()
	Notify the plot that the item has changed.

virtual void	legendChanged ()
	Notify the item that the legend has changed.

virtual void	getCanvasMarginHint (const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, double &left, double &top, double &right, double &bottom) const
	Get margin hints for the canvas.

virtual void	updateScaleDiv (const QwtScaleDiv &, const QwtScaleDiv &)
	Update the item with new scale divisions.

virtual void	updateLegend (const QwtPlotItem *, const QList< QwtLegendData > &)
	Update the item with changes of the legend.

QRectF	scaleRect (const QwtScaleMap &, const QwtScaleMap &) const
	Calculate the scale rectangle.

QRectF	paintRect (const QwtScaleMap &, const QwtScaleMap &) const
	Calculate the paint rectangle.

virtual QList< QwtLegendData >	legendData () const
	Return legend data.

virtual QwtGraphic	legendIcon (int index, const QSizeF &) const
	Return a legend icon.

Additional Inherited Members
Public Types inherited from QwtPlotItem
enum	RttiValues { Rtti_PlotItem = 0 , Rtti_PlotGrid , Rtti_PlotScale , Rtti_PlotLegend , Rtti_PlotMarker , Rtti_PlotCurve , Rtti_PlotSpectroCurve , Rtti_PlotIntervalCurve , Rtti_PlotHistogram , Rtti_PlotSpectrogram , Rtti_PlotGraphic , Rtti_PlotTradingCurve , Rtti_PlotBarChart , Rtti_PlotMultiBarChart , Rtti_PlotShape , Rtti_PlotTextLabel , Rtti_PlotZone , Rtti_PlotVectorField , Rtti_PlotArrowMarker , Rtti_PlotBoxChart , Rtti_PlotUserItem = 1000 }
	Runtime type information. More...

enum	ItemAttribute { Legend = 0x01 , AutoScale = 0x02 , Margins = 0x04 }
	Plot Item Attributes. More...

enum	ItemInterest { ScaleInterest = 0x01 , LegendInterest = 0x02 }
	Plot Item Interests. More...

enum	RenderHint { RenderAntialiased = 0x1 }
	Render hints . More...

Protected Member Functions inherited from QwtPlotItem
QwtGraphic	defaultIcon (const QBrush &, const QSizeF &) const
	Create a default icon.

Detailed Description

A plot item, which displays a zone.

Constructor & Destructor Documentation

◆ QwtPlotZoneItem()

QwtPlotZoneItem::QwtPlotZoneItem ( )

explicit

Constructor.

◆ ~QwtPlotZoneItem()

QwtPlotZoneItem::~QwtPlotZoneItem ( )

virtual

Destructor .

Member Function Documentation

◆ boundingRect()

QRectF QwtPlotZoneItem::boundingRect ( ) const

overridevirtual

Get the bounding rectangle.

Reimplemented from QwtPlotItem.

◆ brush()

const QBrush & QwtPlotZoneItem::brush ( ) const

Get the brush used to fill the zone.

◆ draw()

void QwtPlotZoneItem::draw	(	QPainter *	painter,
		const QwtScaleMap &	xMap,
		const QwtScaleMap &	yMap,
		const QRectF &	canvasRect
	)		const

overridevirtual

Draw the zone.

Implements QwtPlotItem.

◆ interval()

QwtInterval QwtPlotZoneItem::interval ( ) const

Get the interval of the zone.

◆ orientation()

Qt::Orientation QwtPlotZoneItem::orientation ( ) const

Get the orientation of the zone.

◆ pen()

const QPen & QwtPlotZoneItem::pen ( ) const

Get the pen used to draw the border lines.

◆ rtti()

int QwtPlotZoneItem::rtti ( ) const

overridevirtual

Get the runtime type information.

Reimplemented from QwtPlotItem.

◆ setBrush()

void QwtPlotZoneItem::setBrush ( const QBrush & brush )

Assign a brush.

◆ setInterval() [1/2]

void QwtPlotZoneItem::setInterval ( const QwtInterval & interval )

Set the interval of the zone.

◆ setInterval() [2/2]

void QwtPlotZoneItem::setInterval	(	double	min,
		double	max
	)

Set the interval of the zone.

◆ setOrientation()

void QwtPlotZoneItem::setOrientation ( Qt::Orientation orientation )

Set the orientation of the zone.

◆ setPen() [1/2]

void QwtPlotZoneItem::setPen	(	const QColor &	color,
		qreal	width = `0.0`,
		Qt::PenStyle	style = `Qt::SolidLine`
	)

Build and assign a pen.

◆ setPen() [2/2]

void QwtPlotZoneItem::setPen ( const QPen & pen )

Assign a pen.

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

/home/runner/work/QWT/QWT/src/plot/qwt_plot_zoneitem.h
/home/runner/work/QWT/QWT/src/plot/qwt_plot_zoneitem.cpp

Classes

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QwtPlotZoneItem()

◆ ~QwtPlotZoneItem()

Member Function Documentation

◆ boundingRect()

◆ brush()

◆ draw()

◆ interval()

◆ orientation()

◆ pen()

◆ rtti()

◆ setBrush()

◆ setInterval() [1/2]

◆ setInterval() [2/2]

◆ setOrientation()

◆ setPen() [1/2]

◆ setPen() [2/2]