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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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r1366:afd786091804
r1897:c0fc53c8ab57
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xyanimation_p.h
66 lines | 2.0 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 XYANIMATION_P_H
#define XYANIMATION_P_H
#include "chartanimation_p.h"
#include <QPointF>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
class XYChart;
class XYAnimation : public ChartAnimation
{
protected:
enum Animation { AddPointAnimation, RemovePointAnimation, ReplacePointAnimation, NewAnimation };
public:
XYAnimation(XYChart *item);
~XYAnimation();
void setup(const QVector<QPointF> &oldPoints, const QVector<QPointF> &newPoints,int index = -1);
Animation animationType() const { return m_type; };
protected:
QVariant interpolated(const QVariant &start, const QVariant &end, qreal progress ) const;
void updateCurrentValue (const QVariant &value );
void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
protected:
Animation m_type;
bool m_dirty;
int m_index;
private:
XYChart *m_item;
QVector<QPointF> m_oldPoints;
QVector<QPointF> m_newPoints;
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif