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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt 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.io
**
****************************************************************************/
// W A R N I N G
// -------------
//
// This file is not part of the Qt Enterprise 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 SPLINEANIMATION_P_H
#define SPLINEANIMATION_P_H
#include <private/xyanimation_p.h>
#include <QtCore/QPointF>
typedef QPair<QVector<QPointF >, QVector<QPointF > > SplineVector;
QT_CHARTS_BEGIN_NAMESPACE
class SplineChartItem;
class SplineAnimation : public XYAnimation
{
public:
SplineAnimation(SplineChartItem *item);
~SplineAnimation();
void setup(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints, QVector<QPointF> &oldContorlPoints, QVector<QPointF> &newControlPoints, int index = -1);
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);
private:
SplineVector m_oldSpline;
SplineVector m_newSpline;
SplineChartItem *m_item;
bool m_valid;
};
QT_CHARTS_END_NAMESPACE
#endif
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