CuteLogger
Fast and simple logging solution for Qt based applications
videohistogramscopewidget.h
1 /*
2  * Copyright (c) 2018 Meltytech, LLC
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef VIDEOHISTOGRAMSCOPEWIDGET_H
19 #define VIDEOHISTOGRAMSCOPEWIDGET_H
20 
21 #include "scopewidget.h"
22 
23 #include <QMutex>
24 #include <QVector>
25 
26 class VideoHistogramScopeWidget Q_DECL_FINAL : public ScopeWidget
27 {
28  Q_OBJECT
29 
30 public:
31  explicit VideoHistogramScopeWidget();
32  QString getTitle() Q_DECL_OVERRIDE;
33 
34 private:
35  void refreshScope(const QSize &size, bool full) Q_DECL_OVERRIDE;
36  void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;
37  void drawHistogram(QPainter &p,
38  QString title,
39  QColor color,
40  QColor outline,
41  QVector<unsigned int> &bins,
42  QRect rect);
43  void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
44 
45  SharedFrame m_frame;
46 
47  // Variables accessed from multiple threads (mutex protected)
48  QMutex m_mutex;
49  QVector<unsigned int> m_yBins;
50  QVector<unsigned int> m_rBins;
51  QVector<unsigned int> m_gBins;
52  QVector<unsigned int> m_bBins;
53 };
54 
55 #endif // VIDEOHISTOGRAMSCOPEWIDGET_H
The ScopeWidget provides a common interface for all scopes in Shotcut.
Definition: scopewidget.h:58
virtual QString getTitle()=0
The SharedFrame provides thread safe access to Mlt::Frame data.
Definition: sharedframe.h:50