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/*
* Show Q
* Copyright (c) 2007-2008 Errol van-de-l'Isle
*
* 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#ifndef UTILS_H__
#define UTILS_H__
#include <cmath>
#include <gtkmm.h>
void connect_clicked(Glib::RefPtr<Gtk::Builder> m_refXml,
const Glib::ustring& widget_name, const sigc::slot<void>& slot_ );
void connect_menu_item(Glib::RefPtr<Gtk::Builder> m_refXml,
const Glib::ustring& widget_name, const sigc::slot<void>& slot_ );
std::string dtoasctime(double x);
static inline double gain_to_slider(double g)
{
if (g == 0.0) return 0.0;
return pow((6.0*log(g)/log(2.0)+192.0)/198.0, 8.0);
}
static inline double slider_to_gain(double pos)
{
if (pos == 0.0) return 0.0;
return pow(2.0, (sqrt(sqrt(sqrt(pos)))*198.0-192.0)/6.0);
}
static inline double db_to_gain(double db)
{
return db > -318.8 ? pow(10.0, db * 0.05) : 0.0;
}
static inline double gain_to_db(double g)
{
return 20.0 * log10(g);
}
#endif /* UTILS_H__ */
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