FrequencyResponseWidget.h

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/***************************************************************************
    FrequencyResponseWidget.h  -  displays a frequency response
                             -------------------
    begin                : Mar 09 2003
    copyright            : (C) 2003 by Thomas Eschenbacher
    email                : Thomas Eschenbacher <thomas.eschenbacher@gmx.de>
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef FREQUENCY_RESPONSE_WIDGET_H
#define FREQUENCY_RESPONSE_WIDGET_H

#include "config.h"

#include <QtGlobal>
#include <QObject>
#include <QWidget>

class QPaintEvent;

namespace Kwave
{

    class TransmissionFunction;

    class Q_DECL_EXPORT FrequencyResponseWidget: public QWidget
    {
        Q_OBJECT

    public:

        explicit FrequencyResponseWidget(QWidget *parent);

        virtual ~FrequencyResponseWidget() Q_DECL_OVERRIDE;

        virtual void init(double freq, int db_min, int db_max);

        virtual void setFilter(Kwave::TransmissionFunction *func);

        virtual void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;

    private:

        double m_f_max;

        int m_db_min;

        int m_db_max;

        int m_decades;

        Kwave::TransmissionFunction *m_function;

    };
}

#endif /* FREQUENCY_RESPONSE_WIDGET_H */

//***************************************************************************
//***************************************************************************