xyanimation_p.h - mozsearch

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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 XYANIMATION_P_H

#define XYANIMATION_P_H

#include <private/chartanimation_p.h>

#include <QtCharts/private/qchartglobal_p.h>

#include <QtCore/QPointF>

QT_BEGIN_NAMESPACE

class XYChart;

class Q_CHARTS_EXPORT XYAnimation : public ChartAnimation

protected:

    enum Animation { AddPointAnimation, RemovePointAnimation, ReplacePointAnimation, NewAnimation };

public:

    XYAnimation(XYChart *item, int duration, QEasingCurve &curve);

    ~XYAnimation();

    void setup(const QList<QPointF> &oldPoints, const QList<QPointF> &newPoints, int index = -1);

    Animation animationType() const { return m_type; };

protected:

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

    void updateCurrentValue(const QVariant &value) override;

    void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState) override;

    XYChart *chartItem() { return m_item; }

protected:

    Animation m_type;

    bool m_dirty;

    int m_index;

private:

    XYChart *m_item;

    QList<QPointF> m_oldPoints;

    QList<QPointF> m_newPoints;

};

QT_END_NAMESPACE

#endif