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39
40#ifndef QGRAPHICSITEMANIMATION_H
41#define QGRAPHICSITEMANIMATION_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtCore/qobject.h>
45
46QT_REQUIRE_CONFIG(graphicsview);
47
48QT_BEGIN_NAMESPACE
49
50class QGraphicsItem;
51class QMatrix;
52class QPointF;
53class QTimeLine;
54class QTransform;
55template <class T1, class T2> struct QPair;
56
57class QGraphicsItemAnimationPrivate;
58class Q_WIDGETS_EXPORT QGraphicsItemAnimation : public QObject
59{
60 Q_OBJECT
61public:
62 QGraphicsItemAnimation(QObject *parent = nullptr);
63 virtual ~QGraphicsItemAnimation();
64
65 QGraphicsItem *item() const;
66 void setItem(QGraphicsItem *item);
67
68 QTimeLine *timeLine() const;
69 void setTimeLine(QTimeLine *timeLine);
70
71 QPointF posAt(qreal step) const;
72 QList<QPair<qreal, QPointF> > posList() const;
73 void setPosAt(qreal step, const QPointF &pos);
74
75#if QT_DEPRECATED_SINCE(5, 14)
76 QT_DEPRECATED_X("Use transformAt() instead")
77 QMatrix matrixAt(qreal step) const;
78#endif
79 QTransform transformAt(qreal step) const;
80
81 qreal rotationAt(qreal step) const;
82 QList<QPair<qreal, qreal> > rotationList() const;
83 void setRotationAt(qreal step, qreal angle);
84
85 qreal xTranslationAt(qreal step) const;
86 qreal yTranslationAt(qreal step) const;
87 QList<QPair<qreal, QPointF> > translationList() const;
88 void setTranslationAt(qreal step, qreal dx, qreal dy);
89
90 qreal verticalScaleAt(qreal step) const;
91 qreal horizontalScaleAt(qreal step) const;
92 QList<QPair<qreal, QPointF> > scaleList() const;
93 void setScaleAt(qreal step, qreal sx, qreal sy);
94
95 qreal verticalShearAt(qreal step) const;
96 qreal horizontalShearAt(qreal step) const;
97 QList<QPair<qreal, QPointF> > shearList() const;
98 void setShearAt(qreal step, qreal sh, qreal sv);
99
100 void clear();
101
102public Q_SLOTS:
103 void setStep(qreal x);
104#if QT_DEPRECATED_SINCE(5, 13)
105 QT_DEPRECATED_X("Use setStep(0) instead")
106 void reset();
107#endif
108
109protected:
110 virtual void beforeAnimationStep(qreal step);
111 virtual void afterAnimationStep(qreal step);
112
113private:
114 Q_DISABLE_COPY(QGraphicsItemAnimation)
115 QGraphicsItemAnimationPrivate *d;
116};
117
118QT_END_NAMESPACE
119
120#endif
121

source code of qtbase/src/widgets/graphicsview/qgraphicsitemanimation.h