A plot item, which displays a recorded sequence of QPainter commands. More...

#include <qwt_plot_graphicitem.h>

Inheritance diagram for QwtPlotGraphicItem:

Classes
class	PrivateData

Public Member Functions
virtual QRectF	boundingRect () const QWT_OVERRIDE
	Bounding rectangle of the item. More...

virtual void	draw (QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const QWT_OVERRIDE

QwtGraphic	graphic () const

	QwtPlotGraphicItem (const QString &title=QString())
	Constructor. More...

	QwtPlotGraphicItem (const QwtText &title)
	Constructor. More...

virtual int	rtti () const QWT_OVERRIDE

void	setGraphic (const QRectF &rect, const QwtGraphic &)

virtual	~QwtPlotGraphicItem ()
	Destructor. More...

Public Member Functions inherited from QwtPlotItem
void	attach (QwtPlot *plot)
	Attach the item to a plot. More...

void	detach ()
	This method detaches a QwtPlotItem from any QwtPlot it has been associated with. More...

virtual void	getCanvasMarginHint (const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, double &left, double &top, double &right, double &bottom) const
	Calculate a hint for the canvas margin. More...

void	hide ()
	Hide the item. More...

bool	isVisible () const

virtual void	itemChanged ()

virtual void	legendChanged ()

virtual QList< QwtLegendData >	legendData () const
	Return all information, that is needed to represent the item on the legend. More...

virtual QwtGraphic	legendIcon (int index, const QSizeF &) const

QSize	legendIconSize () const

QRectF	paintRect (const QwtScaleMap &, const QwtScaleMap &) const
	Calculate the bounding paint rectangle of 2 maps. More...

QwtPlot *	plot () const
	Return attached plot. More...

	QwtPlotItem ()

	QwtPlotItem (const QString &title)

	QwtPlotItem (const QwtText &title)

uint	renderThreadCount () const

QRectF	scaleRect (const QwtScaleMap &, const QwtScaleMap &) const
	Calculate the bounding scale rectangle of 2 maps. More...

void	setAxes (QwtAxisId xAxis, QwtAxisId yAxis)

void	setItemAttribute (ItemAttribute, bool on=true)

void	setItemInterest (ItemInterest, bool on=true)

void	setLegendIconSize (const QSize &)

void	setRenderHint (RenderHint, bool on=true)

void	setRenderThreadCount (uint numThreads)

void	setTitle (const QString &title)

void	setTitle (const QwtText &title)

virtual void	setVisible (bool)

void	setXAxis (QwtAxisId)

void	setYAxis (QwtAxisId)

void	setZ (double z)
	Set the z value. More...

void	show ()
	Show the item. More...

bool	testItemAttribute (ItemAttribute) const

bool	testItemInterest (ItemInterest) const

bool	testRenderHint (RenderHint) const

const QwtText &	title () const

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

virtual void	updateScaleDiv (const QwtScaleDiv &, const QwtScaleDiv &)
	Update the item to changes of the axes scale division. More...

QwtAxisId	xAxis () const
	Return xAxis. More...

QwtAxisId	yAxis () const
	Return yAxis. More...

double	z () const

virtual	~QwtPlotItem ()
	Destroy the QwtPlotItem. More...

Private Member Functions
void	init ()

Private Attributes
PrivateData *	m_data

Additional Inherited Members
Public Types inherited from QwtPlotItem
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...

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_PlotUserItem = 1000 }
	Runtime type information. More...

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

Detailed Description

A plot item, which displays a recorded sequence of QPainter commands.

QwtPlotGraphicItem renders a sequence of recorded painter commands into a specific plot area. Recording of painter commands can be done manually by QPainter or e.g. QSvgRenderer.

See also: QwtPlotShapeItem, QwtPlotSvgItem

Definition at line 29 of file qwt_plot_graphicitem.h.

Constructor & Destructor Documentation

◆ QwtPlotGraphicItem() [1/2]

QwtPlotGraphicItem::QwtPlotGraphicItem ( const QString & title = QString() )

explicit

Constructor.

Sets the following item attributes:

QwtPlotItem::AutoScale: true
QwtPlotItem::Legend: false

Parameters

title Title

Definition at line 32 of file qwt_plot_graphicitem.cpp.

◆ QwtPlotGraphicItem() [2/2]

QwtPlotGraphicItem::QwtPlotGraphicItem ( const QwtText & title )

explicit

Constructor.

Sets the following item attributes:

QwtPlotItem::AutoScale: true
QwtPlotItem::Legend: false

Parameters

title Title

Definition at line 47 of file qwt_plot_graphicitem.cpp.

◆ ~QwtPlotGraphicItem()

QwtPlotGraphicItem::~QwtPlotGraphicItem ( )

virtual

Destructor.

Definition at line 54 of file qwt_plot_graphicitem.cpp.

Member Function Documentation

◆ boundingRect()

QRectF QwtPlotGraphicItem::boundingRect ( ) const

virtual

Bounding rectangle of the item.

Reimplemented from QwtPlotItem.

Definition at line 102 of file qwt_plot_graphicitem.cpp.

◆ draw()

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

virtual

Draw the item

Parameters

painter	Painter
xMap	X-Scale Map
yMap	Y-Scale Map
canvasRect	Contents rect of the plot canvas

Implements QwtPlotItem.

Definition at line 115 of file qwt_plot_graphicitem.cpp.

◆ graphic()

QwtGraphic QwtPlotGraphicItem::graphic ( ) const

Returns: Recorded sequence of painter commands

See also: setGraphic()

Definition at line 96 of file qwt_plot_graphicitem.cpp.

◆ init()

void QwtPlotGraphicItem::init ( )

private

Definition at line 59 of file qwt_plot_graphicitem.cpp.

◆ rtti()

int QwtPlotGraphicItem::rtti ( ) const

virtual

Returns: QwtPlotItem::Rtti_PlotGraphic

Reimplemented from QwtPlotItem.

Definition at line 71 of file qwt_plot_graphicitem.cpp.

◆ setGraphic()

void QwtPlotGraphicItem::setGraphic	(	const QRectF &	rect,
		const QwtGraphic &	graphic
	)

Set the graphic to be displayed

Parameters

rect	Rectangle in plot coordinates
graphic	Recorded sequence of painter commands

Definition at line 82 of file qwt_plot_graphicitem.cpp.

Member Data Documentation

◆ m_data

PrivateData* QwtPlotGraphicItem::m_data

private

Definition at line 58 of file qwt_plot_graphicitem.h.

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

Classes

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QwtPlotGraphicItem() [1/2]

◆ QwtPlotGraphicItem() [2/2]

◆ ~QwtPlotGraphicItem()

Member Function Documentation

◆ boundingRect()

◆ draw()

◆ graphic()

◆ init()

◆ rtti()

◆ setGraphic()

Member Data Documentation

◆ m_data