1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4// W A R N I N G
5// -------------
6//
7// This file is not part of the Qt Chart API. It exists purely as an
8// implementation detail. This header file may change from version to
9// version without notice, or even be removed.
10//
11// We mean it.
12
13#ifndef PIESLICEANIMATION_P_H
14#define PIESLICEANIMATION_P_H
15
16#include <private/chartanimation_p.h>
17#include <private/piesliceitem_p.h>
18#include <QtCharts/private/qchartglobal_p.h>
19
20QT_BEGIN_NAMESPACE
21
22class PieChartItem;
23
24class Q_CHARTS_PRIVATE_EXPORT PieSliceAnimation : public ChartAnimation
25{
26public:
27 PieSliceAnimation(PieSliceItem *sliceItem);
28 ~PieSliceAnimation();
29 void setValue(const PieSliceData &startValue, const PieSliceData &endValue);
30 void updateValue(const PieSliceData &endValue);
31 PieSliceData currentSliceValue();
32
33protected:
34 QVariant interpolated(const QVariant &start, const QVariant &end, qreal progress) const override;
35 void updateCurrentValue(const QVariant &value) override;
36
37private:
38 PieSliceItem *m_sliceItem;
39 PieSliceData m_currentValue;
40};
41
42QT_END_NAMESPACE
43
44#endif
45

source code of qtcharts/src/charts/animations/piesliceanimation_p.h