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39
40#ifndef QGRAPHICSVIDEOITEM_H
41#define QGRAPHICSVIDEOITEM_H
42
43#include <QtWidgets/qgraphicsitem.h>
44
45#include <QtMultimediaWidgets/qvideowidget.h>
46#include <QtMultimedia/qmediabindableinterface.h>
47
48#if QT_CONFIG(graphicsview)
49
50QT_BEGIN_NAMESPACE
51
52class QVideoSurfaceFormat;
53class QGraphicsVideoItemPrivate;
54class Q_MULTIMEDIAWIDGETS_EXPORT QGraphicsVideoItem : public QGraphicsObject, public QMediaBindableInterface
55{
56 Q_OBJECT
57 Q_INTERFACES(QMediaBindableInterface)
58 Q_PROPERTY(QMediaObject* mediaObject READ mediaObject WRITE setMediaObject)
59 Q_PROPERTY(Qt::AspectRatioMode aspectRatioMode READ aspectRatioMode WRITE setAspectRatioMode)
60 Q_PROPERTY(QPointF offset READ offset WRITE setOffset)
61 Q_PROPERTY(QSizeF size READ size WRITE setSize)
62 Q_PROPERTY(QSizeF nativeSize READ nativeSize NOTIFY nativeSizeChanged)
63 Q_PROPERTY(QAbstractVideoSurface* videoSurface READ videoSurface CONSTANT)
64public:
65 explicit QGraphicsVideoItem(QGraphicsItem *parent = nullptr);
66 ~QGraphicsVideoItem();
67
68 QMediaObject *mediaObject() const override;
69 QAbstractVideoSurface *videoSurface() const;
70
71 Qt::AspectRatioMode aspectRatioMode() const;
72 void setAspectRatioMode(Qt::AspectRatioMode mode);
73
74 QPointF offset() const;
75 void setOffset(const QPointF &offset);
76
77 QSizeF size() const;
78 void setSize(const QSizeF &size);
79
80 QSizeF nativeSize() const;
81
82 QRectF boundingRect() const override;
83
84 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
85
86#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
87 enum { Type = 14 };
88 int type() const override
89 {
90 // Enable the use of qgraphicsitem_cast with this item.
91 return Type;
92 }
93#endif
94
95Q_SIGNALS:
96 void nativeSizeChanged(const QSizeF &size);
97
98protected:
99 void timerEvent(QTimerEvent *event) override;
100 QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
101
102 bool setMediaObject(QMediaObject *object) override;
103
104 QGraphicsVideoItemPrivate *d_ptr;
105
106private:
107 Q_DECLARE_PRIVATE(QGraphicsVideoItem)
108 Q_PRIVATE_SLOT(d_func(), void _q_present())
109 Q_PRIVATE_SLOT(d_func(), void _q_updateNativeSize())
110 Q_PRIVATE_SLOT(d_func(), void _q_serviceDestroyed())
111};
112
113QT_END_NAMESPACE
114
115#endif // QT_CONFIG(graphicsview)
116
117#endif // QGRAPHICSVIDEOITEM_H
118

source code of qtmultimedia/src/multimediawidgets/qgraphicsvideoitem.h