qscatterseries.cpp
150 lines
| 3.8 KiB
| text/x-c
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CppLexer
Jani Honkonen
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r794 | /**************************************************************************** | ||
| ** | ||||
| ** 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 | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
Tero Ahola
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r42 | #include "qscatterseries.h" | ||
Michal Klocek
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r938 | #include "qscatterseries_p.h" | ||
|
Michal Klocek
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r943 | #include "scatterchartitem_p.h" | ||
| #include "chartdataset_p.h" | ||||
| #include "charttheme_p.h" | ||||
| #include "chartanimator_p.h" | ||||
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Tero Ahola
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r42 | |||
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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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Tero Ahola
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r300 | \mainclass | ||
|
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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r300 | |||
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r995 | \image examples_scatterchart.png | ||
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Tero Ahola
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r300 | |||
|
Michal Klocek
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r481 | Creating basic scatter chart is simple: | ||
| \code | ||||
| QScatterSeries* series = new QScatterSeries(); | ||||
|
Jani Honkonen
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r796 | series->append(0, 6); | ||
| series->append(2, 4); | ||||
|
Michal Klocek
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r481 | ... | ||
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Tero Ahola
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r995 | chart->addSeries(series); | ||
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Michal Klocek
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r481 | \endcode | ||
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Tero Ahola
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r300 | */ | ||
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Tero Ahola
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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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Tero Ahola
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r988 | \sa QAbstractSeries, 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. | ||||
| */ | ||||
|
Michal Klocek
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r938 | QScatterSeries::QScatterSeries(QObject *parent) : QXYSeries(*new QScatterSeriesPrivate(this),parent) | ||
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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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r988 | QAbstractSeries::QSeriesType QScatterSeries::type() const | ||
|
Michal Klocek
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r938 | { | ||
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Tero Ahola
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r988 | return QAbstractSeries::SeriesTypeScatter; | ||
|
Michal Klocek
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r938 | } | ||
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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 | { | ||
|
Michal Klocek
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r938 | Q_D(const QScatterSeries); | ||
| return d->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 | { | ||
|
Michal Klocek
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r938 | Q_D(QScatterSeries); | ||
| if (d->m_shape != shape) { | ||||
| d->m_shape = shape; | ||||
| emit d->updated(); | ||||
|
Michal Klocek
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r573 | } | ||
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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 | { | ||
|
Michal Klocek
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r938 | Q_D(const QScatterSeries); | ||
| return d->m_size; | ||||
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Tero Ahola
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r397 | } | ||
| /*! | ||||
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Tero Ahola
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r814 | Set the \a size of the marker items. The default size is 15. | ||
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Tero Ahola
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r397 | */ | ||
| void QScatterSeries::setSize(qreal size) | ||||
| { | ||||
|
Michal Klocek
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r938 | Q_D(QScatterSeries); | ||
| if (!qFuzzyIsNull(d->m_size - size)) { | ||||
| d->m_size = size; | ||||
| emit d->updated(); | ||||
|
Michal Klocek
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r573 | } | ||
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Tero Ahola
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r397 | } | ||
|
Michal Klocek
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r938 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| QScatterSeriesPrivate::QScatterSeriesPrivate(QScatterSeries* q):QXYSeriesPrivate(q), | ||||
| m_shape(QScatterSeries::MarkerShapeCircle), | ||||
| m_size(15.0) | ||||
| { | ||||
| }; | ||||
|
Michal Klocek
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r943 | Chart* QScatterSeriesPrivate::createGraphics(ChartPresenter* presenter) | ||
| { | ||||
| Q_Q(QScatterSeries); | ||||
| ScatterChartItem *scatter = new ScatterChartItem(q,presenter); | ||||
| if(presenter->animationOptions().testFlag(QChart::SeriesAnimations)) { | ||||
| presenter->animator()->addAnimation(scatter); | ||||
| } | ||||
| presenter->chartTheme()->decorate(q, presenter->dataSet()->seriesIndex(q)); | ||||
| return scatter; | ||||
| } | ||||
|
Michal Klocek
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r938 | |||
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Tero Ahola
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r42 | QTCOMMERCIALCHART_END_NAMESPACE | ||