[build] Let "make distcheck" work again
[adg.git] / adg / adg-util.h
blob4b760ce74dc7d769d9b934843d6053ba760426ff
1 /* ADG - Automatic Drawing Generation
2 * Copyright (C) 2007,2008,2009,2010 Nicola Fontana <ntd at entidi.it>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
21 #if !defined(__ADG_H__)
22 #error "Only <adg/adg.h> can be included directly."
23 #endif
26 #ifndef __ADG_UTIL_H__
27 #define __ADG_UTIL_H__
29 #include <glib-object.h>
30 #include <math.h>
32 #define ADG_DIR_RIGHT 0.
33 #define ADG_DIR_DOWN G_PI_2
34 #define ADG_DIR_LEFT G_PI
35 #define ADG_DIR_UP -G_PI_2
37 #define ADG_FORWARD_DECL(id) typedef struct _##id id
40 G_BEGIN_DECLS
42 #if GLIB_CHECK_VERSION(2, 16, 0)
43 #define adg_strcmp g_strcmp0
44 #else
45 gint adg_strcmp (const gchar *s1,
46 const gchar *s2);
47 #endif
49 gboolean adg_is_string_empty (const gchar *str);
50 gboolean adg_is_enum_value (int value,
51 GType enum_type);
52 gboolean adg_is_boolean_value (gboolean value);
54 G_END_DECLS
57 #endif /* __ADG_UTIL_H__ */