piesliceanimation_p.h

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt 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 PIESLICEANIMATION_P_H

#define PIESLICEANIMATION_P_H

#include <private/chartanimation_p.h>

#include <private/piesliceitem_p.h>

#include <QtCharts/private/qchartglobal_p.h>

QT_BEGIN_NAMESPACE

class PieChartItem;

class Q_CHARTS_EXPORT PieSliceAnimation : public ChartAnimation

public:

    PieSliceAnimation(PieSliceItem *sliceItem);

    ~PieSliceAnimation();

    void setValue(const PieSliceData &startValue, const PieSliceData &endValue);

    void updateValue(const PieSliceData &endValue);

    PieSliceData currentSliceValue();

protected:

    QVariant interpolated(const QVariant &start, const QVariant &end, qreal progress) const override;

    void updateCurrentValue(const QVariant &value) override;

private:

    PieSliceItem *m_sliceItem;

    PieSliceData m_currentValue;

};

QT_END_NAMESPACE

#endif