ctl_tuner.h

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/* Calf DSP Library
 * A tuner widget
 *
 * Copyright (C) 2008-2015 Krzysztof Foltman, Torben Hohn, Markus
 * Schmidt and others
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General
 * Public License along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 
 * Boston, MA 02111-1307, USA.
 */
 
#ifndef _USE_MATH_DEFINES
#define _USE_MATH_DEFINES
#endif
#ifndef __CALF_CTL_TUNER
#define __CALF_CTL_TUNER
 
#include <cairo/cairo.h>
#include <gtk/gtk.h>
#include <calf/giface.h>
#include <calf/drawingutils.h>
#include <calf/gui.h>
 
G_BEGIN_DECLS
 

 
 
#define CALF_TYPE_TUNER           (calf_tuner_get_type())
#define CALF_TUNER(obj)          (G_TYPE_CHECK_INSTANCE_CAST ((obj), CALF_TYPE_TUNER, CalfTuner))
#define CALF_IS_TUNER(obj)        (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CALF_TYPE_TUNER))
#define CALF_TUNER_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST ((klass),  CALF_TYPE_TUNER, CalfTunerClass))
#define CALF_IS_TUNER_CLASS(obj)  (G_TYPE_CHECK_CLASS_TYPE ((klass),  CALF_TYPE_TUNER))
#define CALF_TUNER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),  CALF_TYPE_TUNER, CalfTunerClass))
 
struct CalfTuner
{
    GtkDrawingArea parent;
    int note;
    float cents;
    cairo_surface_t *background;
};
 
struct CalfTunerClass
{
    GtkDrawingAreaClass parent_class;
};
 
extern GtkWidget *calf_tuner_new();
 
extern GType calf_tuner_get_type();
 
G_END_DECLS
 
#endif