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qscatterseries.cpp
228 lines | 4.8 KiB | text/x-c | CppLexer
#include "qscatterseries.h"
#include "scatterseries_p.h"
#include "qchart.h"
/*!
\class QScatterSeries
\brief QtCommercial Chart series API for showing scatter series.
\mainclass
Example on how to create a chart with scatter series:
\snippet ../example/scatter/main.cpp 1
The example code would result the following:
\image scatter_example1.jpg
*/
/*!
\enum QScatterSeries::MarkerShape
This enum describes the shape used when rendering marker items.
\value MarkerShapeDefault
\value MarkerShapePoint
\value MarkerShapeX
\value MarkerShapeRectangle
\value MarkerShapeTiltedRectangle
\value MarkerShapeTriangle
\value MarkerShapeCircle
*/
/*!
\fn QChartSeriesType QScatterSeries::type() const
\brief Returns QChartSeries::SeriesTypeScatter.
*/
/*!
\fn void QScatterSeries::clicked()
\brief TODO
*/
/*!
\fn void QScatterSeries::hoverEnter()
\brief TODO
*/
/*!
\fn void QScatterSeries::hoverLeave()
\brief TODO
*/
/*!
\fn void QScatterSeries::changed()
\brief TODO
*/
QTCOMMERCIALCHART_BEGIN_NAMESPACE
QScatterSeriesPrivate::QScatterSeriesPrivate() :
m_data(QList<QPointF>()),
m_markerPen(QPen()),
m_markerBrush(QBrush()),
m_markerShape(QScatterSeries::MarkerShapeDefault)
{
// Initialize pen color to invalid to use a theme color by default
m_markerPen.setColor(QColor::Invalid);
m_markerBrush.setColor(QColor::Invalid);
}
/*!
Constructs a series object which is a child of \a parent.
*/
QScatterSeries::QScatterSeries(QObject *parent) :
QChartSeries(parent),
d(new QScatterSeriesPrivate())
{
}
/*!
Destroys the object. Note that adding series to QChart transfers the ownership to the chart.
*/
QScatterSeries::~QScatterSeries()
{
delete d;
}
/*!
Add single data point with \a value to the series.
For example:
\snippet ../example/scatter/main.cpp 2
*/
void QScatterSeries::addData(QPointF value)
{
d->m_data.append(value);
emit changed();
}
/*!
Add list of \a points to the series.
*/
void QScatterSeries::addData(QList<QPointF> points)
{
d->m_data.append(points);
emit changed();
}
/*!
Stream operator for adding a data point with \a value to the series.
\sa addData()
For example:
\snippet ../example/scatter/main.cpp 3
*/
QScatterSeries& QScatterSeries::operator << (const QPointF &value)
{
d->m_data.append(value);
emit changed();
return *this;
}
/*!
Stream operator for adding a list of points to the series.
\sa addData()
*/
QScatterSeries& QScatterSeries::operator << (QList<QPointF> value)
{
d->m_data.append(value);
emit changed();
return *this;
}
/*!
Replaces the data of the series with the given list of data \a points.
*/
void QScatterSeries::setData(QList<QPointF> points)
{
d->m_data = points;
emit changed();
}
/*!
Returns the current list of data points of the series.
*/
QList<QPointF> QScatterSeries::data()
{
return d->m_data;
}
/*!
Overrides the default pen used for drawing a marker item with a user defined \a pen. The
default pen is defined by chart theme setting.
For example:
\snippet ../example/scatter/main.cpp 5
Would present your scatter markers with an opaque, uglyish green outlines instead of the
beatiful markers defined by the chart's theme:
\image scatter_example_pen.jpg
\sa setMarkerBrush()
\sa QChart::setChartTheme()
*/
void QScatterSeries::setMarkerPen(QPen pen)
{
d->m_markerPen = pen;
}
/*!
Returns the pen used for drawing markers.
*/
QPen QScatterSeries::markerPen()
{
return d->m_markerPen;
}
/*!
Overrides the default brush of the marker items with a user defined \a brush. The default brush
is defined by chart theme setting.
For example:
\snippet ../example/scatter/main.cpp 4
Would fill your scatter markers with an opaque red color:
\image scatter_example_brush.jpg
\sa setMarkerPen()
\sa QChart::setChartTheme()
*/
void QScatterSeries::setMarkerBrush(QBrush brush)
{
d->m_markerBrush = brush;
}
/*!
Returns the brush used for drawing markers.
*/
QBrush QScatterSeries::markerBrush()
{
return d->m_markerBrush;
}
/*!
Overrides the default shape of the marker items with a user defined \a shape. The default shape
is defined by chart theme setting.
For example:
\snippet ../example/scatter/main.cpp 6
Would make your scatter marker items rectangle:
\image scatter_example_shape.jpg
*/
void QScatterSeries::setMarkerShape(MarkerShape shape)
{
d->m_markerShape = shape;
}
/*!
Returns the shape used for drawing markers.
*/
QScatterSeries::MarkerShape QScatterSeries::markerShape()
{
return (QScatterSeries::MarkerShape) d->m_markerShape;
}
#include "moc_qscatterseries.cpp"
QTCOMMERCIALCHART_END_NAMESPACE