qscatterseries.cpp
98 lines
| 2.0 KiB
| text/x-c
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CppLexer
Tero Ahola
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r42 | #include "qscatterseries.h" | ||
| #include "qchart.h" | ||||
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Tero Ahola
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r300 | /*! | ||
| \class QScatterSeries | ||||
Michal Klocek
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r481 | \brief The QScatterSeries class is used for making scatter charts. | ||
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r42 | |||
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r300 | \mainclass | ||
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Michal Klocek
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r481 | 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. | ||||
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Tero Ahola
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r300 | |||
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Michal Klocek
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r481 | \image scatterchart.png | ||
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Tero Ahola
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r300 | |||
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Michal Klocek
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r481 | Creating basic scatter chart is simple: | ||
| \code | ||||
| QScatterSeries* series = new QScatterSeries(); | ||||
| series->add(0, 6); | ||||
| series->add(2, 4); | ||||
| ... | ||||
| chartView->addSeries(series); | ||||
| \endcode | ||||
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Tero Ahola
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r300 | */ | ||
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r42 | |||
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Tero Ahola
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r261 | /*! | ||
| \enum QScatterSeries::MarkerShape | ||||
| This enum describes the shape used when rendering marker items. | ||||
| \value MarkerShapeCircle | ||||
|
Michal Klocek
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r541 | \value MarkerShapeRectangle | ||
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Tero Ahola
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r261 | */ | ||
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Tero Ahola
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r260 | /*! | ||
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Tero Ahola
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r300 | \fn QChartSeriesType QScatterSeries::type() const | ||
| \brief Returns QChartSeries::SeriesTypeScatter. | ||||
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Michal Klocek
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r481 | \sa QSeries, QSeriesType | ||
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Tero Ahola
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r300 | */ | ||
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Tero Ahola
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r260 | |||
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Tero Ahola
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r300 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||
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Tero Ahola
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r261 | /*! | ||
| Constructs a series object which is a child of \a parent. | ||||
| */ | ||||
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Tero Ahola
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r158 | QScatterSeries::QScatterSeries(QObject *parent) : | ||
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Michal Klocek
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r470 | QXYSeries(parent), | ||
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Michal Klocek
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r541 | m_shape(QScatterSeries::MarkerShapeCircle), | ||
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Tero Ahola
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r702 | m_size(15.0) | ||
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Tero Ahola
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r42 | { | ||
| } | ||||
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Tero Ahola
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r260 | /*! | ||
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Tero Ahola
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r261 | Destroys the object. Note that adding series to QChart transfers the ownership to the chart. | ||
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Tero Ahola
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r260 | */ | ||
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Tero Ahola
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r158 | QScatterSeries::~QScatterSeries() | ||
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Tero Ahola
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r42 | { | ||
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Tero Ahola
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r48 | } | ||
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Tero Ahola
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r261 | /*! | ||
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Tero Ahola
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r459 | Returns the shape used for drawing markers. | ||
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Tero Ahola
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r261 | */ | ||
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Tero Ahola
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r459 | QScatterSeries::MarkerShape QScatterSeries::shape() const | ||
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Tero Ahola
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r195 | { | ||
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Michal Klocek
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r573 | return m_shape; | ||
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Tero Ahola
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r195 | } | ||
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Tero Ahola
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r261 | /*! | ||
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Tero Ahola
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r300 | Overrides the default shape of the marker items with a user defined \a shape. The default shape | ||
| is defined by chart theme setting. | ||||
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Tero Ahola
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r261 | */ | ||
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Tero Ahola
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r358 | void QScatterSeries::setShape(MarkerShape shape) | ||
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Tero Ahola
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r195 | { | ||
sauimone
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r743 | if (m_shape != shape) { | ||
| m_shape = shape; | ||||
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Michal Klocek
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r573 | emit QXYSeries::updated(); | ||
| } | ||||
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Tero Ahola
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r195 | } | ||
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Tero Ahola
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r397 | /*! | ||
| Returns the size of the marker items. | ||||
| */ | ||||
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Tero Ahola
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r459 | qreal QScatterSeries::size() const | ||
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Tero Ahola
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r397 | { | ||
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Michal Klocek
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r470 | return m_size; | ||
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Tero Ahola
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r397 | } | ||
| /*! | ||||
| Set the \a size of the marker items. The default size is 9.0. | ||||
| */ | ||||
| void QScatterSeries::setSize(qreal size) | ||||
| { | ||||
Jani Honkonen
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r768 | if (!qFuzzyIsNull(m_size - size)) { | ||
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sauimone
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r743 | m_size = size; | ||
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Michal Klocek
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r573 | emit updated(); | ||
| } | ||||
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Tero Ahola
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r397 | } | ||
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Tero Ahola
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r42 | QTCOMMERCIALCHART_END_NAMESPACE | ||