Oscilloscope.h

Go to the documentation of this file.

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