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#ifndef LINECHARTANIMATIONITEM_P_H_
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#define LINECHARTANIMATIONITEM_P_H_
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#include "qchartglobal.h"
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#include "linechartitem_p.h"
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#include "domain_p.h"
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#include <QVariantAnimation>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class LineChartAnimatator;
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class LineChartAnimationItem : public LineChartItem {
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Q_OBJECT
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public:
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LineChartAnimationItem(QLineSeries *series, QGraphicsItem *parent = 0);
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virtual ~LineChartAnimationItem();
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protected:
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virtual void updateItem(QVector<QPointF>& oldPoints,QVector<QPointF>& newPoints);
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virtual void updateItem(QVector<QPointF>& oldPoints,int index,QPointF& newPoint);
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private slots:
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void startAnimation();
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private:
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LineChartAnimatator *m_animation;
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QVector<QPointF> m_points;
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bool m_dirty;
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};
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class LineChartAnimatator: public QVariantAnimation
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{
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public:
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LineChartAnimatator(LineChartAnimationItem *item, QObject *parent = 0 );
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~LineChartAnimatator();
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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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LineChartAnimationItem* m_item;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif
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