#ifndef SPLINEANIMATION_P_H_
#define SPLINEANIMATION_P_H_
#include "chartanimation_p.h"
#include <QPointF>

typedef  QPair<QVector<QPointF >, QVector<QPointF > >  SplineVector;

QTCOMMERCIALCHART_BEGIN_NAMESPACE

class SplineChartItem;

class SplineAnimation : public ChartAnimation
{
public:

    SplineAnimation(SplineChartItem* item);
    ~SplineAnimation();
    void setValues(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints, QVector<QPointF> &oldContorlPoints, QVector<QPointF> &newControlPoints, int index);

protected:
    QVariant interpolated(const QVariant &start, const QVariant &end, qreal progress) const;
    void updateCurrentValue(const QVariant &value);

private:
    SplineVector m_oldSpline;
    SplineChartItem *m_item;
    bool m_dirty;
};

QTCOMMERCIALCHART_END_NAMESPACE

#endif