| /**************************************************************************** |
| ** |
| ** 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 XYANIMATION_P_H |
| #define XYANIMATION_P_H |
| |
| #include <private/chartanimation_p.h> |
| #include <QtCharts/private/qchartglobal_p.h> |
| #include <QtCore/QPointF> |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| class XYChart; |
| |
| class Q_CHARTS_PRIVATE_EXPORT XYAnimation : public ChartAnimation |
| { |
| protected: |
| enum Animation { AddPointAnimation, RemovePointAnimation, ReplacePointAnimation, NewAnimation }; |
| public: |
| XYAnimation(XYChart *item, int duration, QEasingCurve &curve); |
| ~XYAnimation(); |
| void setup(const QVector<QPointF> &oldPoints, const QVector<QPointF> &newPoints, int index = -1); |
| Animation animationType() const { return m_type; }; |
| |
| protected: |
| QVariant interpolated(const QVariant &start, const QVariant &end, qreal progress) const; |
| void updateCurrentValue(const QVariant &value); |
| void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState); |
| XYChart *chartItem() { return m_item; } |
| protected: |
| Animation m_type; |
| bool m_dirty; |
| int m_index; |
| private: |
| XYChart *m_item; |
| QVector<QPointF> m_oldPoints; |
| QVector<QPointF> m_newPoints; |
| }; |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #endif |