Chart Class Reference

#include <chart.h>

Inheritance diagram for Chart:

Collaboration diagram for Chart:

Public Member Functions
	Chart (QWidget *parent=Q_NULLPTR)
	~Chart ()
void	setTitle (const QString &title=QString(), const QFont &font=QFont())
	Set the title of the QChart.
void	addSeries (QAbstractSeries *series=Q_NULLPTR)
	Adds QAbstractSeries series to chart If no series are passed, a new QSplineSeries is created with 1 point at (0,0)
void	appendToSeries (const QPointF &p)
	Adds the data point p(qreal,qreal) to the series.
void	removeAllSeries ()
	Removes and deletes all series objects that have been added to the chart.
void	createDefaultAxes ()
	Creates default axes. Must be called AFTER loading a series to the chart.
QList< QAbstractAxis * >	axes (Qt::Orientations orientation=Qt::Horizontal|Qt::Vertical, QAbstractSeries *series=Q_NULLPTR) const
void	removeAllAxes ()
	Removes all previously attached X,Y axes from the QChart.
void	addAxis (QAbstractAxis *axis, Qt::Alignment alignment)
	Add Axis axis to the QChart. Does not delete previously attached axis.
void	setAxisX (QAbstractAxis *axis, QAbstractSeries *series=Q_NULLPTR)
	Adds the axis axis to the chart and attaches it to the series series as a bottom-aligned horizontal axis. The chart takes ownership of both the axis and the series.
void	setAxisY (QAbstractAxis *axis, QAbstractSeries *series=Q_NULLPTR)
	Adds the axis axis to the chart and attaches it to the series series as a left-aligned horizontal axis. The chart takes ownership of both the axis and the series.
void	setAxisXRange (const QVariant &min, const QVariant &max)
	Set the range of the (first) horizontal axis.
void	setAxisXMin (const QVariant &min)
	Sets the minimum value shown on the horizontal axis.
void	setAxisYRange (const QVariant &min, const QVariant &max)
	Set the range of the vertical axis.
void	setAxisYMin (const QVariant &min)
	Sets the minimum value shown on the vertical axis.
void	setAxesThemeDefault ()
	Applies a simple theme to axes (default label fonts, line and grid line pen). WARNING: Axes must be already attached to m_chart.
void	setAxisXLabelsAngle (const int &angle)
void	setAxisXLabelFont (const QFont &font=QFont("Helvetica", 6))
	Set the label font of the horizontal axis.
void	setAxisYLabelFont (const QFont &font=QFont("Helvetica", 6))
	Set the label font of the vertical axis.
void	setAxisXLinePen (const QPen &pen=QPen(QColor("#d0d0d0"), 1, Qt::SolidLine))
	Set the line pen of the horizontal axis.
void	setAxisYLinePen (const QPen &pen=QPen(QColor("#d0d0d0"), 1, Qt::SolidLine))
	Set the line pen of the vertical axis.
void	setAxisXGridLinePen (const QPen &pen=QPen(QColor("#e0e0e0"), 1, Qt::DotLine))
	Set the grid line pen of the horizontal axis.
void	setAxisYGridLinePen (const QPen &pen=QPen(QColor("#e0e0e0"), 1, Qt::DotLine))
	Set the grid line pen of the vertical axis.
void	setTheme (QChart::ChartTheme theme=QChart::ChartThemeLight)
	Set the theme of the QChart.
void	setThemeSmallWidget (const int minWidth, const int minHeight)
	Set the theme for when our chart widget is small.
void	setChartBackgroundBrush (const QBrush &brush=QBrush(Qt::transparent))
	Sets the background brush of the QChart If no brush defined, it uses a transparent brush.
void	setChartBackgroundPen (const QPen &pen=QPen(Qt::transparent))
	Sets the background pen of the QChart If no pen defined, it uses a transparent pen.
void	setMargins (const QMargins &margins=QMargins())
	Set the margins of the QChart.
void	toggleLegend (const bool &toggle=false)
	Toggle the legend of the QChart.
void	resetToTrivial ()

Private Attributes
QChart *	m_chart
QSplineSeries *	m_series

Constructor & Destructor Documentation

Chart()

Chart::Chart ( QWidget *  parent = Q_NULLPTR )

explicit

~Chart()

Chart::~Chart

(

)

Member Function Documentation

addAxis()

void Chart::addAxis	(	QAbstractAxis *	axis,
		Qt::Alignment	alignment
	)

Add Axis axis to the QChart. Does not delete previously attached axis.

Parameters

axis
alignment

addSeries()

void Chart::addSeries

(

QAbstractSeries *

series = Q_NULLPTR

)

Adds QAbstractSeries series to chart If no series are passed, a new QSplineSeries is created with 1 point at (0,0)

Parameters

series

appendToSeries()

void Chart::appendToSeries

(

const QPointF &

p

)

Adds the data point p(qreal,qreal) to the series.

Parameters

p

axes()

QList< QAbstractAxis * > Chart::axes	(	Qt::Orientations	orientation = Qt::Horizontal|Qt::Vertical,
		QAbstractSeries *	series = Q_NULLPTR
	)		const

createDefaultAxes()

void Chart::createDefaultAxes

(

)

Creates default axes. Must be called AFTER loading a series to the chart.

removeAllAxes()

void Chart::removeAllAxes

(

)

Removes all previously attached X,Y axes from the QChart.

removeAllSeries()

void Chart::removeAllSeries

(

)

Removes and deletes all series objects that have been added to the chart.

resetToTrivial()

void Chart::resetToTrivial

(

)

setAxesThemeDefault()

void Chart::setAxesThemeDefault

(

)

Applies a simple theme to axes (default label fonts, line and grid line pen). WARNING: Axes must be already attached to m_chart.

setAxisX()

void Chart::setAxisX	(	QAbstractAxis *	axis,
		QAbstractSeries *	series = Q_NULLPTR
	)

Adds the axis axis to the chart and attaches it to the series series as a bottom-aligned horizontal axis. The chart takes ownership of both the axis and the series.

Parameters

axis
series

setAxisXGridLinePen()

void Chart::setAxisXGridLinePen

(

const QPen &

pen = QPen(QColor("#e0e0e0"), 1,Qt::DotLine)

)

Set the grid line pen of the horizontal axis.

Parameters

font

setAxisXLabelFont()

void Chart::setAxisXLabelFont

(

const QFont &

font = QFont("Helvetica", 6 )

)

Set the label font of the horizontal axis.

Parameters

font

setAxisXLabelsAngle()

void Chart::setAxisXLabelsAngle

(

const int &

angle

)

setAxisXLinePen()

void Chart::setAxisXLinePen

(

const QPen &

pen = QPen(QColor("#d0d0d0"), 1,Qt::SolidLine)

)

Set the line pen of the horizontal axis.

Parameters

font

setAxisXMin()

void Chart::setAxisXMin

(

const QVariant &

min

)

Sets the minimum value shown on the horizontal axis.

Parameters

min

setAxisXRange()

void Chart::setAxisXRange	(	const QVariant &	min,
		const QVariant &	max
	)

Set the range of the (first) horizontal axis.

Parameters

min
max

setAxisY()

void Chart::setAxisY	(	QAbstractAxis *	axis,
		QAbstractSeries *	series = Q_NULLPTR
	)

Adds the axis axis to the chart and attaches it to the series series as a left-aligned horizontal axis. The chart takes ownership of both the axis and the series.

Parameters

axis
series

setAxisYGridLinePen()

void Chart::setAxisYGridLinePen

(

const QPen &

pen = QPen(QColor("#e0e0e0"), 1,Qt::DotLine)

)

Set the grid line pen of the vertical axis.

Parameters

font

setAxisYLabelFont()

void Chart::setAxisYLabelFont

(

const QFont &

font = QFont("Helvetica", 6 )

)

Set the label font of the vertical axis.

Parameters

font

setAxisYLinePen()

void Chart::setAxisYLinePen

(

const QPen &

pen = QPen(QColor("#d0d0d0"), 1,Qt::SolidLine)

)

Set the line pen of the vertical axis.

Parameters

font

setAxisYMin()

void Chart::setAxisYMin

(

const QVariant &

min

)

Sets the minimum value shown on the vertical axis.

Parameters

min

setAxisYRange()

void Chart::setAxisYRange	(	const QVariant &	min,
		const QVariant &	max
	)

Set the range of the vertical axis.

Parameters

min
max

setChartBackgroundBrush()

void Chart::setChartBackgroundBrush

(

const QBrush &

brush = QBrush(Qt::transparent)

)

Sets the background brush of the QChart If no brush defined, it uses a transparent brush.

Parameters

brush

setChartBackgroundPen()

void Chart::setChartBackgroundPen

(

const QPen &

pen = QPen(Qt::transparent)

)

Sets the background pen of the QChart If no pen defined, it uses a transparent pen.

Parameters

brush

setMargins()

void Chart::setMargins

(

const QMargins &

margins = QMargins()

)

Set the margins of the QChart.

Parameters

margins

setTheme()

void Chart::setTheme

(

QChart::ChartTheme

theme = QChart::ChartThemeLight

)

Set the theme of the QChart.

Parameters

theme

setThemeSmallWidget()

void Chart::setThemeSmallWidget	(	const int	minWidth,
		const int	minHeight
	)

Set the theme for when our chart widget is small.

Parameters

chartHeight

setTitle()

void Chart::setTitle	(	const QString &	title = QString(),
		const QFont &	font = QFont()
	)

Set the title of the QChart.

Parameters

title

toggleLegend()

void Chart::toggleLegend

(

const bool &

toggle = false

)

Toggle the legend of the QChart.

Parameters

toggle

Field Documentation

m_chart

QChart* Chart::m_chart

private

m_series

QSplineSeries* Chart::m_series

private

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

• /home/dimitris/socnetv/app/src/chart.h
• /home/dimitris/socnetv/app/src/chart.cpp