DISPLIB::LinePlot Class Reference

Simple x / y line-series QWidget rendered with QPainter (no Qt Charts dependency). More...

#include <lineplot.h>

Public Types
typedef QSharedPointer< LinePlot >	SPtr
typedef QSharedPointer< const LinePlot >	ConstSPtr

Public Member Functions
	LinePlot (QWidget *parent=nullptr)
	LinePlot (const QVector< double > &y, const QString &title="", QWidget *parent=nullptr)
	LinePlot (const QVector< double > &x, const QVector< double > &y, const QString &title="", QWidget *parent=nullptr)
virtual	~LinePlot ()
void	setTitle (const QString &p_sTitle)
void	setXLabel (const QString &p_sXLabel)
void	setYLabel (const QString &p_sYLabel)
void	updateData (const QVector< double > &y)
void	updateData (const QVector< double > &x, const QVector< double > &y)

Protected Member Functions
void	paintEvent (QPaintEvent *event) override

Detailed Description

Simple x / y line-series QWidget rendered with QPainter (no Qt Charts dependency).

Supports multiple series, a settable title and x / y labels and auto-ranging axes. Series are stored as QVector<double> pairs and re-drawn during paintEvent.

Definition at line 70 of file lineplot.h.

Inheritance diagram for DISPLIB::LinePlot:

Member Typedef Documentation

ConstSPtr

typedef QSharedPointer<const LinePlot> DISPLIB::LinePlot::ConstSPtr

Const shared pointer type for LinePlot.

Definition at line 76 of file lineplot.h.

SPtr

typedef QSharedPointer<LinePlot> DISPLIB::LinePlot::SPtr

Shared pointer type for LinePlot.

Definition at line 75 of file lineplot.h.

Constructor & Destructor Documentation

LinePlot() [1/3]

LinePlot::LinePlot

(

QWidget *

parent = nullptr

)

Constructs a line series plot

Parameters

[in]

parent

If parent is nullptr, the new widget becomes a window.

Definition at line 45 of file lineplot.cpp.

LinePlot() [2/3]

LinePlot::LinePlot	(	const QVector< double > &	y,
		const QString &	title = "",
		QWidget *	parent = nullptr )

Constructs a line series plot

Parameters

[in]	y	The double data vector.
[in]	title	Plot title.
[in]	parent	If parent is nullptr, the new widget becomes a window.

Definition at line 59 of file lineplot.cpp.

LinePlot() [3/3]

LinePlot::LinePlot	(	const QVector< double > &	x,
		const QVector< double > &	y,
		const QString &	title = "",
		QWidget *	parent = nullptr )

Constructs a line series plot

Parameters

[in]	x	X-Axis data to plot.
[in]	y	Y-Axis data to plot.
[in]	title	Plot title.
[in]	parent	If parent is nullptr, the new widget becomes a window.

Definition at line 77 of file lineplot.cpp.

~LinePlot()

LinePlot::~LinePlot ( )

virtual

Destructs the line series plot

Definition at line 96 of file lineplot.cpp.

Member Function Documentation

paintEvent()

void LinePlot::paintEvent ( QPaintEvent * event )

overrideprotected

Paints the line plot.

Parameters

[in]

event

The paint event.

Definition at line 167 of file lineplot.cpp.

setTitle()

void LinePlot::setTitle

(

const QString &

p_sTitle

)

Sets the plot title.

Parameters

[in]

p_sTitle

The title.

Definition at line 102 of file lineplot.cpp.

setXLabel()

void LinePlot::setXLabel

(

const QString &

p_sXLabel

)

Sets the label of the x axis

Parameters

[in]

p_sXLabel

The x axis label.

Definition at line 110 of file lineplot.cpp.

setYLabel()

void LinePlot::setYLabel

(

const QString &

p_sYLabel

)

Sets the label of the y axis

Parameters

[in]

p_sYLabel

The y axis label.

Definition at line 118 of file lineplot.cpp.

updateData() [1/2]

void LinePlot::updateData	(	const QVector< double > &	x,
		const QVector< double > &	y )

Updates the plot using the given vectors.

Parameters

[in]	x	X-Axis data to plot.
[in]	y	Y-Axis data to plot.

Definition at line 137 of file lineplot.cpp.

updateData() [2/2]

void LinePlot::updateData

(

const QVector< double > &

y

)

Updates the plot using a given double vector without given X data.

Parameters

[in]

y

The double data vector.

Definition at line 126 of file lineplot.cpp.

---

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

• src/libraries/disp/plots/lineplot.h
• src/libraries/disp/plots/lineplot.cpp