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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef SPLINEANIMATION_P_H_
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#define SPLINEANIMATION_P_H_
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#include "chartanimation_p.h"
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#include <QPointF>
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typedef QPair<QVector<QPointF >, QVector<QPointF > > SplineVector;
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class SplineChartItem;
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class SplineAnimation : public ChartAnimation
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{
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public:
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SplineAnimation(SplineChartItem* item);
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~SplineAnimation();
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void setValues(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints, QVector<QPointF> &oldContorlPoints, QVector<QPointF> &newControlPoints, int index);
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protected:
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QVariant interpolated(const QVariant &start, const QVariant &end, qreal progress) const;
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void updateCurrentValue(const QVariant &value);
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private:
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SplineVector m_oldSpline;
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SplineChartItem *m_item;
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bool m_dirty;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif
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