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47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
// rdwavescene.h
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//
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// GraphicsScene Class for Drawing 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 RDWAVESCENE_H
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#define RDWAVESCENE_H
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#include <QGraphicsScene>
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#include <QList>
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#include <rdcut.h>
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class RDWaveScene : public QGraphicsScene
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{
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Q_OBJECT;
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public:
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enum Channel {Mono=0,Left=1,Right=2};
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RDWaveScene(const QList<uint16_t> &energy,int x_shrink,qreal gain,int height,
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QObject *parent=0);
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~RDWaveScene();
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private:
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QList<uint16_t> d_energy_data;
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int d_x_shrink_factor;
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qreal d_audio_gain;
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qreal d_height;
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};
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#endif // RDWAVESCENE_H
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