build: depends on cairo-gobject if introspection is enabled
[adg.git] / src / cpml / cpml-utils.h
blob3e49100fbaa2c8580183ffd37036d78dc5e746a0
1 /* CPML - Cairo Path Manipulation Library
2 * Copyright (C) 2007,2008,2009,2010,2011,2012,2013 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(__CPML_H__)
22 #error "Only <cpml/cpml.h> can be included directly."
23 #endif
26 #ifndef __CPML_UTILS_H__
27 #define __CPML_UTILS_H__
29 /* Required include files */
30 #include <stdlib.h>
31 #include <cairo.h>
33 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
34 #define CPML_GNUC_CONST __attribute__((__const__))
35 #else
36 #define CPML_GNUC_CONST
37 #endif
40 CAIRO_BEGIN_DECLS
42 double cpml_angle (double angle);
44 CAIRO_END_DECLS
47 #endif /* __CPML_UTILS_H__ */