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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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r1838:886026b75e22
r1897:c0fc53c8ab57
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qpieseries_p.h
88 lines | 2.4 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 QPIESERIES_P_H
#define QPIESERIES_P_H
#include "qpieseries.h"
#include "qabstractseries_p.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
class QLegendPrivate;
class QPieSeriesPrivate : public QAbstractSeriesPrivate
{
Q_OBJECT
public:
QPieSeriesPrivate(QPieSeries *parent);
~QPieSeriesPrivate();
void scaleDomain(Domain& domain);
ChartElement* createGraphics(ChartPresenter *presenter);
QList<LegendMarker*> createLegendMarker(QLegend *legend);
void initializeAxis(QAbstractAxis* axis);
QAbstractAxis::AxisType defaultAxisType(Qt::Orientation orientation) const;
void updateDerivativeData();
void setSizes(qreal innerSize, qreal outerSize);
static QPieSeriesPrivate* fromSeries(QPieSeries *series);
signals:
void calculatedDataChanged();
void pieSizeChanged();
void pieStartAngleChanged();
void pieEndAngleChanged();
void horizontalPositionChanged();
void verticalPositionChanged();
public Q_SLOTS:
void sliceValueChanged();
void sliceClicked();
void sliceHovered(bool state);
private:
QList<QPieSlice*> m_slices;
qreal m_pieRelativeHorPos;
qreal m_pieRelativeVerPos;
qreal m_pieRelativeSize;
qreal m_pieStartAngle;
qreal m_pieEndAngle;
qreal m_sum;
qreal m_holeRelativeSize;
private:
friend class QLegendPrivate;
Q_DECLARE_PUBLIC(QPieSeries)
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif // QPIESERIES_P_H