|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2015 The Qt Company Ltd
|
|
|
** All rights reserved.
|
|
|
** For any questions to The Qt Company, please use contact form at http://qt.io
|
|
|
**
|
|
|
** This file is part of the Qt Charts module.
|
|
|
**
|
|
|
** Licensees holding valid commercial license for Qt may use this file in
|
|
|
** accordance with the Qt License Agreement provided with the Software
|
|
|
** or, alternatively, in accordance with the terms contained in a written
|
|
|
** agreement between you and The Qt Company.
|
|
|
**
|
|
|
** If you have questions regarding the use of this file, please use
|
|
|
** contact form at http://qt.io
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
// 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>
|
|
|
|
|
|
QT_CHARTS_BEGIN_NAMESPACE
|
|
|
|
|
|
class PieChartItem;
|
|
|
|
|
|
class 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
|
|
|
|