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77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
/*
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* Oscilloscope.h
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*
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* Copyright (c) 2005-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of"the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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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 GNU
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* 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 (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _OSCILLOSCOPE
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#define _OSCILLOSCOPE
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#include <QWidget>
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#include <QPixmap>
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#include "lmms_basics.h"
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class Oscilloscope : public QWidget
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{
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Q_OBJECT
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public:
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Q_PROPERTY( QColor normalColor READ normalColor WRITE setNormalColor )
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Q_PROPERTY( QColor clippingColor READ clippingColor WRITE setClippingColor )
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Oscilloscope( QWidget * _parent );
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virtual ~Oscilloscope();
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void setActive( bool _active );
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QColor const & normalColor() const;
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void setNormalColor(QColor const & normalColor);
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QColor const & clippingColor() const;
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void setClippingColor(QColor const & clippingColor);
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protected:
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void paintEvent( QPaintEvent * _pe ) override;
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void mousePressEvent( QMouseEvent * _me ) override;
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protected slots:
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void updateAudioBuffer( const surroundSampleFrame * buffer );
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private:
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QColor const & determineLineColor(float level) const;
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private:
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QPixmap m_background;
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QPointF * m_points;
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sampleFrame * m_buffer;
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bool m_active;
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QColor m_normalColor;
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QColor m_clippingColor;
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} ;
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#endif
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