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Better support for negative values in stacked barcharts. Negative values are stacked from zero to negative direction. Positive values are stacked from zero to positive direction.
Better support for negative values in stacked barcharts. Negative values are stacked from zero to negative direction. Positive values are stacked from zero to positive direction.

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r1725:251205c7e45d
r1897:c0fc53c8ab57
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chartdataset_p.h
100 lines | 3.3 KiB | text/x-c | CLexer
/****************************************************************************
**
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
// W A R N I N G
// -------------
//
// This file is not part of the QtCommercial Chart API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef CHARTDATASET_P_H
#define CHARTDATASET_P_H
#include "qabstractseries.h"
#include "domain_p.h"
#include "qabstractaxis_p.h"
#include <QVector>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
class QAbstractAxis;
class QTCOMMERCIALCHART_AUTOTEST_EXPORT ChartDataSet : public QObject
{
Q_OBJECT
public:
ChartDataSet(QChart* parent=0);
virtual ~ChartDataSet();
void addSeries(QAbstractSeries* series);
void removeSeries(QAbstractSeries* series);
void removeAllSeries();
void updateSeries(QAbstractSeries* series);
void zoomInDomain(const QRectF& rect, const QSizeF& size);
void zoomOutDomain(const QRectF& rect, const QSizeF& size);
void scrollDomain(qreal dx,qreal dy,const QSizeF& size);
int seriesCount(QAbstractSeries::SeriesType type);
int seriesIndex(QAbstractSeries *series);
QAbstractAxis* axisX(QAbstractSeries *series) const;
QAbstractAxis* axisY(QAbstractSeries *series) const;
void setAxis(QAbstractSeries *series, QAbstractAxis *axis, Qt::Orientation orientation);
QList<QAbstractSeries*> series() const;
Domain* domain(QAbstractSeries *series) const;
void removeAxis(QAbstractAxis* axis);
void createDefaultAxes();
Q_SIGNALS:
void seriesAdded(QAbstractSeries* series, Domain* domain);
void seriesRemoved(QAbstractSeries* series);
void seriesUpdated(QAbstractSeries* series);
void axisAdded(QAbstractAxis* axis,Domain* domain);
void axisRemoved(QAbstractAxis* axis);
private:
void calculateDomain(QAbstractSeries* series,Domain* domain);
void createAxes(QAbstractAxis::AxisTypes type,Qt::Orientation orientation);
QAbstractAxis* createAxis(QAbstractAxis::AxisType type,Qt::Orientation orientation);
void initializeAxis(QAbstractAxis* axis,QAbstractSeries* series);
void removeAxes(QAbstractSeries* series);
void blockAxisSignals(bool enabled);
void createSeriesIndex(QAbstractSeries* series);
void removeSeriesIndex(QAbstractSeries* series);
private:
QMap<QAbstractSeries*, QAbstractAxis*> m_seriesAxisXMap;
QMap<QAbstractSeries*, QAbstractAxis*> m_seriesAxisYMap;
QMap<QAbstractSeries*, Domain*> m_seriesDomainMap;
QMap<int, QAbstractSeries*> m_indexSeriesMap;
int m_domainIndex;
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif /* CHARTENGINE_P_H_ */