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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
// 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_CHARTS_BEGIN_NAMESPACE
class PieChartItem;
class Q_CHARTS_PRIVATE_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;
void updateCurrentValue(const QVariant &value);
private:
PieSliceItem *m_sliceItem;
PieSliceData m_currentValue;
};
QT_CHARTS_END_NAMESPACE
#endif
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