1 /* CPML - Cairo Path Manipulation Library
2 * Copyright (C) 2008,2009,2010,2011,2012 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."
26 #ifndef __CPML_PAIR_H__
27 #define __CPML_PAIR_H__
32 typedef struct _CpmlPair CpmlPair
;
33 typedef struct _CpmlPair CpmlVector
;
41 void cpml_pair_from_cairo (CpmlPair
*pair
,
42 const cairo_path_data_t
44 void cpml_pair_copy (CpmlPair
*pair
,
46 int cpml_pair_equal (const CpmlPair
*pair
,
48 void cpml_pair_transform (CpmlPair
*pair
,
51 double cpml_pair_squared_distance (const CpmlPair
*from
,
53 double cpml_pair_distance (const CpmlPair
*from
,
55 void cpml_pair_to_cairo (const CpmlPair
*pair
,
59 void cpml_vector_from_angle (CpmlVector
*vector
,
61 void cpml_vector_set_length (CpmlVector
*vector
,
63 double cpml_vector_angle (const CpmlVector
65 void cpml_vector_normal (CpmlVector
*vector
);
66 void cpml_vector_transform (CpmlVector
*vector
,
73 #endif /* __CPML_PAIR_H__ */