Mercurial > hg > xmms-sid
diff src/xs_curve.h @ 358:4f247b19c9ea
Add new files
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Mon, 07 Nov 2005 09:49:04 +0000 |
parents | |
children | df6f12a00305 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/xs_curve.h Mon Nov 07 09:49:04 2005 +0000 @@ -0,0 +1,101 @@ +/* GTK - The GIMP Toolkit + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS + * file for a list of people on the GTK+ Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GTK+ at ftp://ftp.gtk.org/pub/gtk/. + */ + +#ifndef __GTK_CURVE_H__ +#define __GTK_CURVE_H__ + + +#include <gdk/gdk.h> +#include <gtk/gtkdrawingarea.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#define GTK_TYPE_CURVE (gtk_curve_get_type ()) +#define GTK_CURVE(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_CURVE, GtkCurve)) +#define GTK_CURVE_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_CURVE, GtkCurveClass)) +#define GTK_IS_CURVE(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_CURVE)) +#define GTK_IS_CURVE_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CURVE)) + + +typedef struct _GtkCurve GtkCurve; +typedef struct _GtkCurveClass GtkCurveClass; + + +struct _GtkCurve +{ + GtkDrawingArea graph; + + gint cursor_type; + gfloat min_x; + gfloat max_x; + gfloat min_y; + gfloat max_y; + GdkPixmap *pixmap; + GtkCurveType curve_type; + gint height; /* (cached) graph height in pixels */ + gint grab_point; /* point currently grabbed */ + gint last; + + /* (cached) curve points: */ + gint num_points; + GdkPoint *point; + + /* control points: */ + gint num_ctlpoints; /* number of control points */ + gfloat (*ctlpoint)[2]; /* array of control points */ +}; + +struct _GtkCurveClass +{ + GtkDrawingAreaClass parent_class; + + void (* curve_type_changed) (GtkCurve *curve); +}; + + +GtkType gtk_curve_get_type (void); +GtkWidget* gtk_curve_new (void); +void gtk_curve_reset (GtkCurve *curve); +void gtk_curve_set_gamma (GtkCurve *curve, gfloat gamma); +void gtk_curve_set_range (GtkCurve *curve, + gfloat min_x, gfloat max_x, + gfloat min_y, gfloat max_y); +void gtk_curve_get_vector (GtkCurve *curve, + int veclen, gfloat vector[]); +void gtk_curve_set_vector (GtkCurve *curve, + int veclen, gfloat vector[]); +void gtk_curve_set_curve_type (GtkCurve *curve, GtkCurveType type); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* __GTK_CURVE_H__ */