1/*
2 * Copyright © 2022 Behdad Esfahbod
3 *
4 * This is part of HarfBuzz, a text shaping library.
5 *
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
11 *
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
16 * DAMAGE.
17 *
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
23 */
24
25#ifndef HB_LIMITS_HH
26#define HB_LIMITS_HH
27
28#include "hb.hh"
29
30
31#ifndef HB_BUFFER_MAX_LEN_FACTOR
32#define HB_BUFFER_MAX_LEN_FACTOR 64
33#endif
34#ifndef HB_BUFFER_MAX_LEN_MIN
35#define HB_BUFFER_MAX_LEN_MIN 16384
36#endif
37#ifndef HB_BUFFER_MAX_LEN_DEFAULT
38#define HB_BUFFER_MAX_LEN_DEFAULT 0x3FFFFFFF /* Shaping more than a billion chars? Let us know! */
39#endif
40
41#ifndef HB_BUFFER_MAX_OPS_FACTOR
42#define HB_BUFFER_MAX_OPS_FACTOR 1024
43#endif
44#ifndef HB_BUFFER_MAX_OPS_MIN
45#define HB_BUFFER_MAX_OPS_MIN 16384
46#endif
47#ifndef HB_BUFFER_MAX_OPS_DEFAULT
48#define HB_BUFFER_MAX_OPS_DEFAULT 0x1FFFFFFF /* Shaping more than a billion operations? Let us know! */
49#endif
50
51
52#ifndef HB_MAX_NESTING_LEVEL
53#define HB_MAX_NESTING_LEVEL 64
54#endif
55
56
57#ifndef HB_MAX_CONTEXT_LENGTH
58#define HB_MAX_CONTEXT_LENGTH 64
59#endif
60
61#ifndef HB_CLOSURE_MAX_STAGES
62/*
63 * The maximum number of times a lookup can be applied during shaping.
64 * Used to limit the number of iterations of the closure algorithm.
65 * This must be larger than the number of times add_gsub_pause() is
66 * called in a collect_features call of any shaper.
67 */
68#define HB_CLOSURE_MAX_STAGES 12
69#endif
70
71#ifndef HB_MAX_SCRIPTS
72#define HB_MAX_SCRIPTS 500
73#endif
74
75#ifndef HB_MAX_LANGSYS
76#define HB_MAX_LANGSYS 2000
77#endif
78
79#ifndef HB_MAX_LANGSYS_FEATURE_COUNT
80#define HB_MAX_LANGSYS_FEATURE_COUNT 50000
81#endif
82
83#ifndef HB_MAX_FEATURE_INDICES
84#define HB_MAX_FEATURE_INDICES 1500
85#endif
86
87#ifndef HB_MAX_LOOKUP_VISIT_COUNT
88#define HB_MAX_LOOKUP_VISIT_COUNT 35000
89#endif
90
91
92#ifndef HB_GLYF_VAR_COMPOSITE_MAX_AXES
93#define HB_GLYF_VAR_COMPOSITE_MAX_AXES 4096
94#endif
95
96#ifndef HB_GLYF_MAX_POINTS
97#define HB_GLYF_MAX_POINTS 20000
98#endif
99
100#ifndef HB_GLYF_MAX_EDGE_COUNT
101#define HB_GLYF_MAX_EDGE_COUNT 1024
102#endif
103
104#ifndef HB_CFF_MAX_OPS
105#define HB_CFF_MAX_OPS 10000
106#endif
107
108#ifndef HB_COLRV1_MAX_EDGE_COUNT
109#define HB_COLRV1_MAX_EDGE_COUNT 1024
110#endif
111
112
113#endif /* HB_LIMITS_HH */
114