A figure container for organizing Qwt plots with flexible layout options. More...

#include <qwt_figure.h>

Inheritance diagram for QwtFigure:

Classes
class	PrivateData

Signals
void	axesAdded (QwtPlot *newAxes)
	Signal emitted when axes are added to the figure.

void	axesRemoved (QwtPlot *removedAxes)
	Signal emitted when axes are removed from the figure.

void	figureCleared ()
	Signal emitted when the figure is cleared .

void	currentAxesChanged (QwtPlot *current)
	Signal emitted when the current active axes changes.

Public Member Functions
	QwtFigure (QWidget *parent=nullptr, Qt::WindowFlags f=Qt::WindowFlags())
	Constructor.

void	addWidget (QWidget *widget, qreal left, qreal top, qreal width, qreal height)
	Add a widget with normalized coordinates.

void	addWidget (QWidget *widget, int rowCnt, int colCnt, int row, int col, int rowSpan=1, int colSpan=1, qreal wspace=0.0, qreal hspace=0.0)
	Add a widget by grid layout.

void	addAxes (QwtPlot *plot, const QRectF &rect)
	Add a plot with normalized coordinates.

void	addAxes (QwtPlot *plot, qreal left, qreal top, qreal width, qreal height)
	Add a plot with normalized coordinates using separate parameters.

void	addGridAxes (QwtPlot *plot, int rowCnt, int colCnt, int row, int col, int rowSpan=1, int colSpan=1, qreal wspace=0.0, qreal hspace=0.0)
	Add a plot by grid layout.

void	setWidgetNormPos (QWidget *widget, const QRectF &rect)
	改变已经添加的窗口的位置占比,如果窗口还没添加，此函数无效

QList< QwtPlot * >	allAxes (bool byZOrder=false) const
	Get all axes (plots) in the figure (not including parasite axes)

bool	hasAxes () const
	Check if the figure has any axes.

bool	hasAxes (QwtPlot *plot) const
	Check if the figure contains a specific plot.

void	removeAxes (QwtPlot *plot)
	Remove a specific axes (plot) from the figure.

bool	takeAxes (QwtPlot *plot)
	Take a specific axes (plot) from the figure without deleting it.

void	clear ()
	Clear all axes from the figure.

QSize	getSizeInches () const
	Get the size of the figure in inches.

void	setSizeInches (float width, float height)
	Set the size of the figure in inches.

void	setSizeInches (const QSizeF &size)
	Set the size of the figure in inches.

void	setFaceColor (const QColor &color)
	Set the face color of the figure.

QColor	faceColor () const
	Get the face color of the figure.

void	setFaceBrush (const QBrush &brush)
	Set the face brush of the figure.

QBrush	faceBrush () const
	Get the face brush of the figure.

void	setEdgeColor (const QColor &color)
	Set the edge color of the figure.

QColor	edgeColor () const
	Get the edge color of the figure.

void	setEdgeLineWidth (int width)
	Set the edge line width of the figure.

int	edgeLineWidth () const
	Get the edge line width of the figure.

QwtPlot *	createParasiteAxes (QwtPlot *hostPlot, QwtAxis::Position enableAxis)
	Create parasite axes for a host plot.

QList< QwtPlot * >	getParasiteAxes (QwtPlot *hostPlot) const
	Get all parasite axes for a host plot.

QPixmap	saveFig (int dpi=-1) const
	Save the figure to a QPixmap with specified DPI.

QPixmap	saveFig (QSizeF &inchesSize) const
	Save the figure to a QPixmap with specified size in inches.

bool	saveFig (const QString &filename, int dpi=-1) const
	Save the figure to a file with specified DPI.

void	setCurrentAxes (QwtPlot *plot)
	Set the current axes (plot)

void	sca (QwtPlot *plot)
	Set the current axes (plot)

QwtPlot *	currentAxes () const
	Get the current axes (plot)

QwtPlot *	gca () const
	Get the current axes (plot)

QRectF	axesNormRect (QwtPlot *plot) const
	Get the normalized rectangle for a axes.

QRectF	widgetNormRect (QWidget *w) const
	Get the normalized rectangle for a widget.

QwtPlot *	plotUnderPos (const QPoint &pos) const
	Get the plot under a position.

QRectF	calcNormRect (const QRect &geoRect) const
	Calculate normalized coordinates from actual window coordinates.

QRect	calcActualRect (const QRectF &normRect)
	Calculate actual rectangle from normalized coordinates.

void	replotAll ()
	Update all plots in the figure.

void	addAxisAlignment (const QList< QwtPlot * > &plots, int axisId)
	Add axis alignment configuration.

bool	removeAxisAlignment (const QList< QwtPlot * > &plots, int axisId)
	Remove specified axis alignment configuration.

void	clearAxisAlignment ()
	Clear all axis alignment configurations.

void	applyAllAxisAlignments (bool replot=true)
	Apply all axis alignment configurations.

void	applyAlignmentsForAxis (int axisId)
	Apply alignment configurations for a specific axis.

int	axisAligmentCount () const
	Get the number of axis alignment configurations.

QPair< QList< QwtPlot * >, int >	axisAligmentInfo (int index) const
	Get axis alignment information by index.

Static Public Member Functions
static void	alignAxes (QList< QwtPlot * > plots, int axisId, bool update=true)
	Align axes of multiple plots.

Protected Member Functions
void	paintEvent (QPaintEvent *event) override

void	resizeEvent (QResizeEvent *event) override

Detailed Description

A figure container for organizing Qwt plots with flexible layout options.

Constructor & Destructor Documentation

◆ QwtFigure()

QwtFigure::QwtFigure	(	QWidget *	parent = `nullptr`,
		Qt::WindowFlags	f = `Qt::WindowFlags()`
	)

Constructor.

Member Function Documentation

◆ addAxes() [1/2]

void QwtFigure::addAxes	(	QwtPlot *	plot,
		const QRectF &	rect
	)

Add a plot with normalized coordinates.

◆ addAxes() [2/2]

void QwtFigure::addAxes	(	QwtPlot *	plot,
		qreal	left,
		qreal	top,
		qreal	width,
		qreal	height
	)

Add a plot with normalized coordinates using separate parameters.

◆ addAxisAlignment()

void QwtFigure::addAxisAlignment	(	const QList< QwtPlot * > &	plots,
		int	axisId
	)

Add axis alignment configuration.

◆ addGridAxes()

void QwtFigure::addGridAxes	(	QwtPlot *	plot,
		int	rowCnt,
		int	colCnt,
		int	row,
		int	col,
		int	rowSpan = `1`,
		int	colSpan = `1`,
		qreal	wspace = `0.0`,
		qreal	hspace = `0.0`
	)

Add a plot by grid layout.

◆ addWidget() [1/2]

void QwtFigure::addWidget	(	QWidget *	widget,
		int	rowCnt,
		int	colCnt,
		int	row,
		int	col,
		int	rowSpan = `1`,
		int	colSpan = `1`,
		qreal	wspace = `0.0`,
		qreal	hspace = `0.0`
	)

Add a widget by grid layout.

◆ addWidget() [2/2]

void QwtFigure::addWidget	(	QWidget *	widget,
		qreal	left,
		qreal	top,
		qreal	width,
		qreal	height
	)

Add a widget with normalized coordinates.

◆ alignAxes()

void QwtFigure::alignAxes	(	QList< QwtPlot * >	plots,
		int	axisId,
		bool	update = `true`
	)

static

Align axes of multiple plots.

◆ allAxes()

QList< QwtPlot * > QwtFigure::allAxes ( bool byZOrder = false ) const

Get all axes (plots) in the figure (not including parasite axes)

◆ applyAlignmentsForAxis()

void QwtFigure::applyAlignmentsForAxis ( int axisId )

Apply alignment configurations for a specific axis.

◆ applyAllAxisAlignments()

void QwtFigure::applyAllAxisAlignments ( bool replot = true )

Apply all axis alignment configurations.

◆ axesAdded

void QwtFigure::axesAdded ( QwtPlot * newAxes )

signal

Signal emitted when axes are added to the figure.

◆ axesNormRect()

QRectF QwtFigure::axesNormRect ( QwtPlot * plot ) const

Get the normalized rectangle for a axes.

◆ axesRemoved

void QwtFigure::axesRemoved ( QwtPlot * removedAxes )

signal

Signal emitted when axes are removed from the figure.

◆ axisAligmentCount()

int QwtFigure::axisAligmentCount ( ) const

Get the number of axis alignment configurations.

◆ axisAligmentInfo()

QPair< QList< QwtPlot * >, int > QwtFigure::axisAligmentInfo ( int index ) const

Get axis alignment information by index.

◆ calcActualRect()

QRect QwtFigure::calcActualRect ( const QRectF & normRect )

Calculate actual rectangle from normalized coordinates.

◆ calcNormRect()

QRectF QwtFigure::calcNormRect ( const QRect & geoRect ) const

Calculate normalized coordinates from actual window coordinates.

◆ clear()

void QwtFigure::clear ( )

Clear all axes from the figure.

◆ clearAxisAlignment()

void QwtFigure::clearAxisAlignment ( )

Clear all axis alignment configurations.

◆ createParasiteAxes()

QwtPlot * QwtFigure::createParasiteAxes	(	QwtPlot *	hostPlot,
		QwtAxis::Position	enableAxis
	)

Create parasite axes for a host plot.

◆ currentAxes()

QwtPlot * QwtFigure::currentAxes ( ) const

Get the current axes (plot)

◆ currentAxesChanged

void QwtFigure::currentAxesChanged ( QwtPlot * current )

signal

Signal emitted when the current active axes changes.

◆ edgeColor()

QColor QwtFigure::edgeColor ( ) const

Get the edge color of the figure.

◆ edgeLineWidth()

int QwtFigure::edgeLineWidth ( ) const

Get the edge line width of the figure.

◆ faceBrush()

QBrush QwtFigure::faceBrush ( ) const

Get the face brush of the figure.

◆ faceColor()

QColor QwtFigure::faceColor ( ) const

Get the face color of the figure.

◆ figureCleared

void QwtFigure::figureCleared ( )

signal

Signal emitted when the figure is cleared .

◆ gca()

QwtPlot * QwtFigure::gca ( ) const

Get the current axes (plot)

◆ getParasiteAxes()

QList< QwtPlot * > QwtFigure::getParasiteAxes ( QwtPlot * hostPlot ) const

Get all parasite axes for a host plot.

◆ getSizeInches()

QSize QwtFigure::getSizeInches ( ) const

Get the size of the figure in inches.

◆ hasAxes() [1/2]

bool QwtFigure::hasAxes ( ) const

Check if the figure has any axes.

◆ hasAxes() [2/2]

bool QwtFigure::hasAxes ( QwtPlot * plot ) const

Check if the figure contains a specific plot.

◆ plotUnderPos()

QwtPlot * QwtFigure::plotUnderPos ( const QPoint & pos ) const

Get the plot under a position.

◆ removeAxes()

void QwtFigure::removeAxes ( QwtPlot * plot )

Remove a specific axes (plot) from the figure.

◆ removeAxisAlignment()

bool QwtFigure::removeAxisAlignment	(	const QList< QwtPlot * > &	plots,
		int	axisId
	)

Remove specified axis alignment configuration.

◆ replotAll()

void QwtFigure::replotAll ( )

Update all plots in the figure.

◆ saveFig() [1/3]

bool QwtFigure::saveFig	(	const QString &	filename,
		int	dpi = `-1`
	)		const

Save the figure to a file with specified DPI.

◆ saveFig() [2/3]

QPixmap QwtFigure::saveFig ( int dpi = -1 ) const

Save the figure to a QPixmap with specified DPI.

◆ saveFig() [3/3]

QPixmap QwtFigure::saveFig ( QSizeF & inchesSize ) const

Save the figure to a QPixmap with specified size in inches.

◆ sca()

void QwtFigure::sca ( QwtPlot * plot )

Set the current axes (plot)

◆ setCurrentAxes()

void QwtFigure::setCurrentAxes ( QwtPlot * plot )

Set the current axes (plot)

◆ setEdgeColor()

void QwtFigure::setEdgeColor ( const QColor & color )

Set the edge color of the figure.

◆ setEdgeLineWidth()

void QwtFigure::setEdgeLineWidth ( int width )

Set the edge line width of the figure.

◆ setFaceBrush()

void QwtFigure::setFaceBrush ( const QBrush & brush )

Set the face brush of the figure.

◆ setFaceColor()

void QwtFigure::setFaceColor ( const QColor & color )

Set the face color of the figure.

◆ setSizeInches() [1/2]

void QwtFigure::setSizeInches ( const QSizeF & size )

Set the size of the figure in inches.

◆ setSizeInches() [2/2]

void QwtFigure::setSizeInches	(	float	width,
		float	height
	)

Set the size of the figure in inches.

◆ setWidgetNormPos()

void QwtFigure::setWidgetNormPos	(	QWidget *	widget,
		const QRectF &	rect
	)

改变已经添加的窗口的位置占比,如果窗口还没添加，此函数无效

Parameters

widget
rect

◆ takeAxes()

bool QwtFigure::takeAxes ( QwtPlot * plot )

Take a specific axes (plot) from the figure without deleting it.

◆ widgetNormRect()

QRectF QwtFigure::widgetNormRect ( QWidget * w ) const

Get the normalized rectangle for a widget.

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

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

Classes

Signals

Public Member Functions

Static Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ QwtFigure()

Member Function Documentation

◆ addAxes() [1/2]

◆ addAxes() [2/2]

◆ addAxisAlignment()

◆ addGridAxes()

◆ addWidget() [1/2]

◆ addWidget() [2/2]

◆ alignAxes()

◆ allAxes()

◆ applyAlignmentsForAxis()

◆ applyAllAxisAlignments()

◆ axesAdded

◆ axesNormRect()

◆ axesRemoved

◆ axisAligmentCount()

◆ axisAligmentInfo()

◆ calcActualRect()

◆ calcNormRect()

◆ clear()

◆ clearAxisAlignment()

◆ createParasiteAxes()

◆ currentAxes()

◆ currentAxesChanged

◆ edgeColor()

◆ edgeLineWidth()

◆ faceBrush()

◆ faceColor()

◆ figureCleared

◆ gca()

◆ getParasiteAxes()

◆ getSizeInches()

◆ hasAxes() [1/2]

◆ hasAxes() [2/2]

◆ plotUnderPos()

◆ removeAxes()

◆ removeAxisAlignment()

◆ replotAll()

◆ saveFig() [1/3]

◆ saveFig() [2/3]

◆ saveFig() [3/3]

◆ sca()

◆ setCurrentAxes()

◆ setEdgeColor()

◆ setEdgeLineWidth()

◆ setFaceBrush()

◆ setFaceColor()

◆ setSizeInches() [1/2]

◆ setSizeInches() [2/2]

◆ setWidgetNormPos()

◆ takeAxes()

◆ widgetNormRect()