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graphicsvideowidget.h
1 /*
2  Copyright (C) 2012 Collabora Ltd. <info@collabora.com>
3  @author George Kiagiadakis <george.kiagiadakis@collabora.com>
4 
5  This library is free software; you can redistribute it and/or modify
6  it under the terms of the GNU Lesser General Public License as published
7  by the Free Software Foundation; either version 2.1 of the License, or
8  (at your option) any later version.
9 
10  This program is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  GNU Lesser General Public License for more details.
14 
15  You should have received a copy of the GNU Lesser General Public License
16  along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18 #ifndef QGST_UI_GRAPHICSVIDEOWIDGET_H
19 #define QGST_UI_GRAPHICSVIDEOWIDGET_H
20 
21 #include "graphicsvideosurface.h"
22 #include <QtCore/QPointer>
23 
24 #if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
25 # include <QtWidgets/QGraphicsWidget>
26 #else
27 # include <QtGui/QGraphicsWidget>
28 #endif
29 
30 namespace QGst {
31 namespace Ui {
32 
43 class QTGSTREAMERUI_EXPORT GraphicsVideoWidget : public QGraphicsWidget
44 {
45  Q_OBJECT
46  Q_DISABLE_COPY(GraphicsVideoWidget)
47  Q_PROPERTY(QGst::Ui::GraphicsVideoSurface* surface READ surface WRITE setSurface)
48 public:
49  explicit GraphicsVideoWidget(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
50  virtual ~GraphicsVideoWidget();
51 
53  virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
54 
55  GraphicsVideoSurface *surface() const;
56  void setSurface(GraphicsVideoSurface *surface);
57 
58 private:
59  QPointer<GraphicsVideoSurface> m_surface;
60 };
61 
62 } // namespace Ui
63 } // namespace QGst
64 
65 #endif // QGST_UI_GRAPHICSVIDEOWIDGET_H
A QGraphicsWidget for displaying video on a QGraphicsScene.
Helper class for painting video on a QGraphicsView.