Rivendellaudio/lib/rdwavescene.h
Fred Gleason 066be2b9e8 2021-03-11 Fred Gleason <fredg@paravelsystems.com>
* Added a 'RDWaveWidget' class.

Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
2021-03-11 11:27:04 -05:00

47 lines
1.2 KiB
C++

// rdwavescene.h
//
// GraphicsScene Class for Drawing Audio Waveforms
//
// (C) Copyright 2021 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#ifndef RDWAVESCENE_H
#define RDWAVESCENE_H
#include <QGraphicsScene>
#include <QList>
#include <rdcut.h>
class RDWaveScene : public QGraphicsScene
{
Q_OBJECT;
public:
enum Channel {Mono=0,Left=1,Right=2};
RDWaveScene(const QList<uint16_t> &energy,int x_shrink,qreal gain,int height,
QObject *parent=0);
~RDWaveScene();
private:
QList<uint16_t> d_energy_data;
int d_x_shrink_factor;
qreal d_audio_gain;
qreal d_height;
};
#endif // RDWAVESCENE_H