Qt 4.8
qdeclarativesmoothedanimation_p_p.h
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41 
42 #ifndef QDECLARATIVESMOOTHEDANIMATION_P_H
43 #define QDECLARATIVESMOOTHEDANIMATION_P_H
44 
45 //
46 // W A R N I N G
47 // -------------
48 //
49 // This file is not part of the Qt API. It exists purely as an
50 // implementation detail. This header file may change from version to
51 // version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #include "private/qdeclarativesmoothedanimation_p.h"
57 #include "private/qdeclarativeanimation_p.h"
58 
59 #include "private/qdeclarativeanimation_p_p.h"
60 
62 
63 #include <private/qobject_p.h>
64 #include <QTimer>
65 
67 
69 {
70 public:
71  QSmoothedAnimation(QObject *parent=0);
72 
76 
79 
82 
84 
85  int duration() const;
86  void restart();
87  void init();
88 
89 protected:
90  virtual void updateCurrentTime(int);
92 
93 private:
94  qreal easeFollow(qreal);
96 
97  bool invert;
98 
100 
101  // Parameters for use in updateCurrentTime()
102  qreal a; // Acceleration
103  qreal d; // Deceleration
104  qreal tf; // Total time
105  qreal tp; // Time at which peak velocity occurs
106  qreal td; // Time at which decelleration begins
107  qreal vp; // Velocity at tp
108  qreal sp; // Displacement at tp
109  qreal sd; // Displacement at td
110  qreal vi; // "Normalized" initialvelocity
111  qreal s; // Total s
112 
113  int lastTime;
114 
115  bool recalc();
116  void delayedStop();
117 
119 };
120 
122 {
124 public:
126  void updateRunningAnimations();
127 
131 };
132 
134 
135 #endif // QDECLARATIVESMOOTHEDANIMATION_P_H
virtual void updateCurrentTime(int currentTime)=0
This pure virtual function is called every time the animation&#39;s currentTime changes.
double qreal
Definition: qglobal.h:1193
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
State
This enum describes the state of the animation.
The QHash class is a template class that provides a hash-table-based dictionary.
Definition: qdatastream.h:66
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
QDeclarativeSmoothedAnimation::ReversingMode reversingMode
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
static bool init
The QAbstractAnimation class is the base of all animations.
#define Q_DECLARE_PUBLIC(Class)
Definition: qglobal.h:2477
The QParallelAnimationGroup class provides a parallel group of animations.
virtual void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState)
This virtual function is called by QAbstractAnimation when the state of the animation is changed from...
#define Q_AUTOTEST_EXPORT
Definition: qglobal.h:1510
QHash< QDeclarativeProperty, QSmoothedAnimation * > activeAnimations
The QDeclarativeProperty class abstracts accessing properties on objects created from QML...
virtual int duration() const =0
The QTimer class provides repetitive and single-shot timers.
Definition: qtimer.h:56