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qscatterseries.cpp
118 lines | 2.8 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qscatterseries.h"
#include "qchart.h"
/*!
\class QScatterSeries
\brief The QScatterSeries class is used for making scatter charts.
\mainclass
The scatter data is displayed as a collection of points on the chart. Each point determines the position on the horizontal axis
and the vertical axis.
\image scatterchart.png
Creating basic scatter chart is simple:
\code
QScatterSeries* series = new QScatterSeries();
series->append(0, 6);
series->append(2, 4);
...
chartView->addSeries(series);
\endcode
*/
/*!
\enum QScatterSeries::MarkerShape
This enum describes the shape used when rendering marker items.
\value MarkerShapeCircle
\value MarkerShapeRectangle
*/
/*!
\fn QChartSeriesType QScatterSeries::type() const
\brief Returns QChartSeries::SeriesTypeScatter.
\sa QSeries, QSeriesType
*/
QTCOMMERCIALCHART_BEGIN_NAMESPACE
/*!
Constructs a series object which is a child of \a parent.
*/
QScatterSeries::QScatterSeries(QObject *parent) :
QXYSeries(parent),
m_shape(QScatterSeries::MarkerShapeCircle),
m_size(15.0)
{
}
/*!
Destroys the object. Note that adding series to QChart transfers the ownership to the chart.
*/
QScatterSeries::~QScatterSeries()
{
}
/*!
Returns the shape used for drawing markers.
*/
QScatterSeries::MarkerShape QScatterSeries::shape() const
{
return m_shape;
}
/*!
Overrides the default shape of the marker items with a user defined \a shape. The default shape
is defined by chart theme setting.
*/
void QScatterSeries::setShape(MarkerShape shape)
{
if (m_shape != shape) {
m_shape = shape;
emit QXYSeries::updated();
}
}
/*!
Returns the size of the marker items.
*/
qreal QScatterSeries::size() const
{
return m_size;
}
/*!
Set the \a size of the marker items. The default size is 9.0.
*/
void QScatterSeries::setSize(qreal size)
{
if (!qFuzzyIsNull(m_size - size)) {
m_size = size;
emit updated();
}
}
QTCOMMERCIALCHART_END_NAMESPACE