OpenShot Library | libopenshot  0.1.9
VideoRenderWidget.h
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1 /**
2  * @file
3  * @brief Header file for Video RendererWidget class
4  * @author Jonathan Thomas <jonathan@openshot.org>
5  *
6  * @section LICENSE
7  *
8  * Copyright (c) 2008-2014 OpenShot Studios, LLC
9  * <http://www.openshotstudios.com/>. This file is part of
10  * OpenShot Library (libopenshot), an open-source project dedicated to
11  * delivering high quality video editing and animation solutions to the
12  * world. For more information visit <http://www.openshot.org/>.
13  *
14  * OpenShot Library (libopenshot) is free software: you can redistribute it
15  * and/or modify it under the terms of the GNU Lesser General Public License
16  * as published by the Free Software Foundation, either version 3 of the
17  * License, or (at your option) any later version.
18  *
19  * OpenShot Library (libopenshot) is distributed in the hope that it will be
20  * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22  * GNU Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public License
25  * along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
26  */
27 
28 #ifndef OPENSHOT_VIDEO_RENDERER_WIDGET_H
29 #define OPENSHOT_VIDEO_RENDERER_WIDGET_H
30 
31 #include <QtWidgets/QWidget>
32 #include <QtGui/QImage>
33 #include "../Fraction.h"
34 #include "VideoRenderer.h"
35 
36 
37 class VideoRenderWidget : public QWidget
38 {
39  Q_OBJECT
40 
41 private:
42  VideoRenderer *renderer;
43  QImage image;
44  openshot::Fraction aspect_ratio;
45  openshot::Fraction pixel_ratio;
46 
47 public:
48  VideoRenderWidget(QWidget *parent = 0);
50 
51  VideoRenderer *GetRenderer() const;
52  void SetAspectRatio(openshot::Fraction new_aspect_ratio, openshot::Fraction new_pixel_ratio);
53 
54 protected:
55  void paintEvent(QPaintEvent *event);
56 
57  QRect centeredViewport(int width, int height);
58 
59 private slots:
60  void present(const QImage &image);
61 
62 };
63 
64 #endif // OPENSHOT_VIDEO_RENDERER_WIDGET_H
void paintEvent(QPaintEvent *event)
VideoRenderWidget(QWidget *parent=0)
VideoRenderer * GetRenderer() const
Header file for Video Renderer class.
QRect centeredViewport(int width, int height)
This class represents a fraction.
Definition: Fraction.h:42
void SetAspectRatio(openshot::Fraction new_aspect_ratio, openshot::Fraction new_pixel_ratio)