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qlineseries.cpp
96 lines | 2.0 KiB | text/x-c | CppLexer
#include "qlineseries.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
/*!
\class QLineSeries
\brief The QLineSeries class is used for making line charts.
\mainclass
A line chart is used to show information as a series of data points
connected by straight lines.
\image linechart.png
Creating basic line chart is simple:
\code
QLineSeries* series = new QLineSeries();
series->add(0, 6);
series->add(2, 4);
...
chartView->addSeries(series);
\endcode
*/
/*!
\fn virtual QSeriesType QLineSeries::type() const
\brief Returns type of series.
\sa QSeries, QSeriesType
*/
/*!
\fn bool QLineSeries::pointsVisible() const
\brief Returns if the points are drawn for this series.
\sa setPointsVisible()
*/
/*!
\fn QPen QLineSeries::linePen() const
\brief Returns the pen used to draw line connecting points.
\sa setPen()
*/
/*!
Constructs empty series object which is a child of \a parent.
When series object is added to QChartView or QChart instance ownerships is transfered.
*/
QLineSeries::QLineSeries(QObject* parent):QXYSeries(parent),
m_pointsVisible(false)
{
}
/*!
Destroys the object. Series added to QChartView or QChart instances are owned by those,
and are deleted when mentioned object are destroyed.
*/
QLineSeries::~QLineSeries()
{
}
/*!
Sets \a pen used for drawing line connecting points.
*/
void QLineSeries::setLinePen(const QPen& pen)
{
if(pen!=m_pen){
m_pen=pen;
emit QXYSeries::updated();
}
}
/*!
Sets if data points are \a visible and should be drawn on line.
*/
void QLineSeries::setPointsVisible(bool visible)
{
if(m_pointsVisible!=visible){
m_pointsVisible=visible;
emit QXYSeries::updated();
}
}
QDebug operator<< (QDebug debug, const QLineSeries series)
{
Q_ASSERT(series.m_x.size() == series.m_y.size());
int size = series.m_x.size();
for (int i=0;i<size;i++) {
debug.nospace() << "(" << series.m_x.at(i) << ','<< series.m_y.at(i) << ") ";
}
return debug.space();
}
QTCOMMERCIALCHART_END_NAMESPACE