[AdgADim] Corrected arc behavior
[adg.git] / adg / adg-adim-private.h
blob7c64b2d50166b01c98f0113e86e3f516ee8c6891
1 /* ADG - Automatic Drawing Generation
2 * Copyright (C) 2007,2008,2009 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 #ifndef __ADG_ADIM_PRIVATE_H__
22 #define __ADG_ADIM_PRIVATE_H__
24 #include <cairo.h>
27 G_BEGIN_DECLS
30 * The cpml.data array is structured in the following way:
32 * [0] = MOVE_TO
33 * [1] = arc start
34 * [2] = ARC_TO
35 * [3] = arc middle
36 * [4] = arc end
37 * [5] = MOVE_TO
38 * [6] = first extension line start
39 * [7] = LINE_TO
40 * [8] = first extension line end
41 * [9] = MOVE_TO
42 * [10] = second extension line start
43 * [11] = LINE_TO
44 * [12] = second extension line end
47 typedef struct _AdgADimPrivate AdgADimPrivate;
49 struct _AdgADimPrivate {
50 AdgPair org1;
51 AdgPair org2;
52 gboolean has_extension1;
53 gboolean has_extension2;
55 AdgTrail *trail;
56 AdgMarker *marker1;
57 AdgMarker *marker2;
59 gboolean geometry_arranged;
60 gdouble angle;
62 struct {
63 AdgPair base1, base12, base2;
64 } point;
66 struct {
67 CpmlPair from1, from2;
68 CpmlPair base1, base12, base2;
69 CpmlPair to1, to2;
70 } shift;
72 struct {
73 CpmlPath path;
74 cairo_path_data_t data[13];
75 } cpml;
78 G_END_DECLS
81 #endif /* __ADG_ADIM_PRIVATE_H__ */