1 /* 2 * Copyright (c) 2015-2020 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 AUDIOWAVEFORMSCOPEWIDGET_H 19 #define AUDIOWAVEFORMSCOPEWIDGET_H 20 21 #include "scopewidget.h" 22 #include <QMutex> 23 #include <QImage> 24 25 class AudioWaveformScopeWidget Q_DECL_FINAL : public ScopeWidget 26 { 27 Q_OBJECT 28 29 public: 30 explicit AudioWaveformScopeWidget(); 31 ~AudioWaveformScopeWidget(); 32 QString getTitle() Q_DECL_OVERRIDE; 33 34 private: 35 // Functions run in scope thread. 36 void refreshScope(const QSize& size, bool full) Q_DECL_OVERRIDE; 37 void createGrid(const QSize& size); 38 39 // Functions run in GUI thread. 40 void paintEvent(QPaintEvent*) Q_DECL_OVERRIDE; 41 void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE; 42 void leaveEvent(QEvent *event) Q_DECL_OVERRIDE; 43 44 // Members accessed only in scope thread (no thread protection). 45 QImage m_renderWave; 46 int m_graphTopPadding; 47 int m_graphLeftPadding; 48 int m_channels; 49 50 // Members accessed only in GUI thread (no thread protection). 51 int m_cursorPos; 52 53 // Members accessed in multiple threads (mutex protected). 54 QMutex m_mutex; 55 QImage m_displayWave; 56 QImage m_displayGrid; 57 SharedFrame m_frame; 58 }; 59 60 #endif // AUDIOWAVEFORMSCOPEWIDGET_H 61