1 /* ADG - Automatic Drawing Generation
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(__ADG_H__)
22 #error "Only <adg.h> can be included directly."
26 #ifndef __ADG_MATRIX_H__
27 #define __ADG_MATRIX_H__
32 cairo_matrix_t
*adg_matrix_new (void);
33 const cairo_matrix_t
*
34 adg_matrix_identity (void) G_GNUC_CONST
;
35 const cairo_matrix_t
*
36 adg_matrix_null (void) G_GNUC_CONST
;
37 void adg_matrix_copy (cairo_matrix_t
*matrix
,
38 const cairo_matrix_t
*src
);
39 cairo_matrix_t
*adg_matrix_dup (const cairo_matrix_t
*matrix
);
40 gboolean
adg_matrix_equal (const cairo_matrix_t
*matrix1
,
41 const cairo_matrix_t
*matrix2
);
42 gboolean
adg_matrix_normalize (cairo_matrix_t
*matrix
);
43 void adg_matrix_transform (cairo_matrix_t
*matrix
,
44 const cairo_matrix_t
*transformation
,
45 AdgTransformMode mode
);
46 void adg_matrix_dump (const cairo_matrix_t
*matrix
);
51 #endif /* __ADG_MATRIX_H__ */