#ifndef GTKWAVEFORM_H
#define GTKWAVEFORM_H

#include <gtk/gtk.h>
#include <cairo.h>

G_BEGIN_DECLS


#define GTK_WAVEFORM(obj) GTK_CHECK_CAST(obj, gtk_waveform_get_type (), GtkWaveform)
#define GTK_WAVEFORM_CLASS(klass) GTK_CHECK_CLASS_CAST(klass, gtk_waveform_get_type(), GtkWaveformClass)
#define GTK_IS_WAVEFORM(obj) GTK_CHECK_TYPE(obj, gtk_waveform_get_type())


typedef struct _GtkWaveform GtkWaveform;
typedef struct _GtkWaveformClass GtkWaveformClass;


struct _GtkWaveform
{
    GtkWidget widget;
    gint16 *data;
    gint len, time, offs, freq;
    gfloat zoom;
};

struct _GtkWaveformClass
{
    GtkWidgetClass parent_class;
};


GtkType      gtk_waveform_get_type(void);
void         gtk_waveform_set_wave_data(GtkWaveform *waveform, gint16 *data, gint len, gint freq);
void         gtk_waveform_set_zoom(GtkWaveform *waveform, gfloat zoom);
void         gtk_waveform_set_time(GtkWaveform *waveform, gint time);
void         gtk_waveform_set_offs(GtkWaveform *waveform, gint offs);
GtkWidget *  gtk_waveform_new();


G_END_DECLS

#endif