File indexing completed on 2024-02-18 04:04:51

0001 /*
0002     SPDX-FileCopyrightText: 2007 Paolo Capriotti <p.capriotti@gmail.com>
0003 
0004     SPDX-License-Identifier: GPL-2.0-or-later
0005 */
0006 
0007 #ifndef ANIMATION_H
0008 #define ANIMATION_H
0009 
0010 #include <QList>
0011 #include <QObject>
0012 #include <QPoint>
0013 #include <QGraphicsItem>
0014 
0015 
0016 class Animation : public QObject
0017 {
0018 Q_OBJECT
0019 public:
0020     ~Animation() override;
0021     virtual void start(int t) = 0;
0022     virtual bool step(int t) = 0;
0023     
0024 Q_SIGNALS:
0025     void done();
0026 };
0027 
0028 class AnimationGroup : public Animation
0029 {
0030 Q_OBJECT
0031     typedef QList<Animation*> Animations;
0032     Animations m_animations;
0033     int m_running;
0034 public:
0035     AnimationGroup();
0036     ~AnimationGroup() override;
0037     void start(int t) override;
0038     bool step(int t) override;
0039     virtual void stop();
0040     
0041     void add(Animation*);
0042 };
0043 
0044 class FadeAnimation : public Animation
0045 {
0046 Q_OBJECT
0047     QGraphicsItem* m_sprite;
0048     int m_from;
0049     qreal m_to;
0050     int m_time;
0051     int m_start;
0052 public:
0053     FadeAnimation(QGraphicsItem* sprite, int from, qreal to, int time);
0054     void start(int t) override;
0055     bool step(int t) override;
0056 };
0057 
0058 class MovementAnimation : public Animation
0059 {
0060 Q_OBJECT
0061     QGraphicsItem* m_sprite;
0062     QPointF m_from;
0063     QPointF m_to;
0064     int m_time;
0065     int m_start;
0066 public:
0067     MovementAnimation(QGraphicsItem* sprite, const QPointF& from,
0068                       const QPointF& to, int time);
0069     void start(int t) override;
0070     bool step(int t) override;
0071 };
0072 
0073 #endif // ANIMATION_H
0074