1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/* cairo - a vector graphics library with display and print output
*
* Copyright © 2005 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it either under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation
* (the "LGPL") or, at your option, under the terms of the Mozilla
* Public License Version 1.1 (the "MPL"). If you do not alter this
* notice, a recipient may use your version of this file under either
* the MPL or the LGPL.
*
* You should have received a copy of the LGPL along with this library
* in the file COPYING-LGPL-2.1; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* You should have received a copy of the MPL along with this library
* in the file COPYING-MPL-1.1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
* OF ANY KIND, either express or implied. See the LGPL or the MPL for
* the specific language governing rights and limitations.
*
* The Original Code is the cairo graphics library.
*
* The Initial Developer of the Original Code is Red Hat, Inc.
*
* Contributor(s):
* Carl D. Worth <cworth@redhat.com>
*/
#ifndef CAIRO_PATH_FIXED_PRIVATE_H
#define CAIRO_PATH_FIXED_PRIVATE_H
typedef enum cairo_path_op {
CAIRO_PATH_OP_MOVE_TO = 0,
CAIRO_PATH_OP_LINE_TO = 1,
CAIRO_PATH_OP_CURVE_TO = 2,
CAIRO_PATH_OP_CLOSE_PATH = 3
} __attribute__ ((packed)) cairo_path_op_t; /* Don't want 32 bits if we can avoid it. */
/* XXX Shall we just not use char instead of hoping for __attribute__ working? */
/* make cairo_path_fixed fit a 512 bytes. about 50 items */
#define CAIRO_PATH_BUF_SIZE ((512 - 12 * sizeof (void*)) \
/ (sizeof (cairo_point_t) + sizeof (cairo_path_op_t)))
typedef struct _cairo_path_buf {
struct _cairo_path_buf *next, *prev;
int num_ops;
int num_points;
cairo_path_op_t op[CAIRO_PATH_BUF_SIZE];
cairo_point_t points[CAIRO_PATH_BUF_SIZE];
} cairo_path_buf_t;
struct _cairo_path_fixed {
cairo_point_t last_move_point;
cairo_point_t current_point;
unsigned int has_current_point : 1;
unsigned int has_curve_to : 1;
cairo_path_buf_t *buf_tail;
cairo_path_buf_t buf_head[1];
};
#endif /* CAIRO_PATH_FIXED_PRIVATE_H */
|