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https://github.com/ElvishArtisan/rivendell.git
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66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
// rdwavewidget.h
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//
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// Widget for displaying audio waveforms
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//
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// (C) Copyright 2021 Fred Gleason <fredg@paravelsystems.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2 as
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// published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#ifndef RDWAVEWIDGET_H
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#define RDWAVEWIDGET_H
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#include <QGraphicsScene>
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#include <QGraphicsView>
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#include <QList>
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class RDWaveWidget : public QWidget
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{
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Q_OBJECT;
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public:
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enum TrackMode {SingleTrack=0,MultiTrack=1};
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RDWaveWidget(TrackMode mode,int height,QWidget *parent=0);
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~RDWaveWidget();
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QSize sizeHint() const;
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QSizePolicy sizePolicy() const;
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QGraphicsScene *scene() const;
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qreal audioGain() const;
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int shrinkFactor() const;
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public slots:
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void setAudioGain(qreal gain);
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void setShrinkFactor(int sf);
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bool setCut(QString *err_msg,unsigned cartnum,int cutnum);
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void clear();
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protected:
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QList<uint16_t> energyData() const;
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virtual bool loadCut();
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void resizeEvent(QResizeEvent *e);
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private:
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void WriteWave();
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unsigned d_channels;
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RDWaveWidget::TrackMode d_track_mode;
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qreal d_height;
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QGraphicsView *d_view;
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QGraphicsScene *d_scene;
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QList<uint16_t> d_energy_data;
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int d_x_shrink;
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qreal d_audio_gain;
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};
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#endif // RDWAVEWIDGET_H
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