- import version 0.9.1 from upstream

/*
 * lingot, a musical instrument tuner.
 *
 * Copyright (C) 2004-2011  Ibán Cereijo Graña, Jairo Chapela Martínez.
 *
 * This file is part of lingot.
 *
 * lingot 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.
 *
 * lingot 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 lingot; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __LINGOT_GAUGE_H__
#define __LINGOT_GAUGE_H__

#include "lingot-defs.h"
#include "lingot-filter.h"

/*
 * Implements the dynamic behaviour of the gauge with a digital filter.
 */

typedef struct _LingotGauge LingotGauge;

struct _LingotGauge
  {
    LingotFilter* filter;
    FLT position;
  };

LingotGauge* lingot_gauge_new(FLT);
void lingot_gauge_destroy(LingotGauge*);
void lingot_gauge_compute(LingotGauge*, FLT);

#endif /*__LINGOT_GAUGE_H__*/