1/*
2 * Copyright © 2007,2008,2009 Red Hat, Inc.
3 * Copyright © 2012,2013 Google, Inc.
4 *
5 * This is part of HarfBuzz, a text shaping library.
6 *
7 * Permission is hereby granted, without written agreement and without
8 * license or royalty fees, to use, copy, modify, and distribute this
9 * software and its documentation for any purpose, provided that the
10 * above copyright notice and the following two paragraphs appear in
11 * all copies of this software.
12 *
13 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
14 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
15 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
16 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
17 * DAMAGE.
18 *
19 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
20 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
21 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
22 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
23 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
24 *
25 * Red Hat Author(s): Behdad Esfahbod
26 * Google Author(s): Behdad Esfahbod
27 */
28
29#ifndef HB_OT_FACE_HH
30#define HB_OT_FACE_HH
31
32#include "hb.hh"
33
34#include "hb-machinery.hh"
35
36
37#define hb_ot_face_data(face) ((hb_ot_face_data_t *) face->shaper_data.ot.get_relaxed ())
38
39
40/*
41 * hb_ot_face_data_t
42 */
43
44/* Most of these tables are NOT needed for shaping. But we need to hook them *somewhere*.
45 * This is as good as any place. */
46#define HB_OT_LAYOUT_TABLES \
47 /* OpenType shaping. */ \
48 HB_OT_LAYOUT_TABLE(OT, JSTF) \
49 HB_OT_LAYOUT_TABLE(OT, BASE) \
50 /* AAT shaping. */ \
51 HB_OT_LAYOUT_TABLE(AAT, morx) \
52 HB_OT_LAYOUT_TABLE(AAT, kerx) \
53 HB_OT_LAYOUT_TABLE(AAT, ankr) \
54 HB_OT_LAYOUT_TABLE(AAT, trak) \
55 /* OpenType variations. */ \
56 HB_OT_LAYOUT_TABLE(OT, fvar) \
57 HB_OT_LAYOUT_TABLE(OT, avar) \
58 HB_OT_LAYOUT_TABLE(OT, MVAR) \
59 /* OpenType math. */ \
60 HB_OT_LAYOUT_TABLE(OT, MATH) \
61 /* OpenType fundamentals. */ \
62 HB_OT_LAYOUT_ACCELERATOR(OT, GDEF) \
63 HB_OT_LAYOUT_ACCELERATOR(OT, GSUB) \
64 HB_OT_LAYOUT_ACCELERATOR(OT, GPOS) \
65 HB_OT_LAYOUT_ACCELERATOR(OT, cmap) \
66 HB_OT_LAYOUT_ACCELERATOR(OT, hmtx) \
67 HB_OT_LAYOUT_ACCELERATOR(OT, vmtx) \
68 HB_OT_LAYOUT_ACCELERATOR(OT, post) \
69 HB_OT_LAYOUT_ACCELERATOR(OT, kern) \
70 HB_OT_LAYOUT_ACCELERATOR(OT, glyf) \
71 HB_OT_LAYOUT_ACCELERATOR(OT, CBDT) \
72 /* */
73
74/* Declare tables. */
75#define HB_OT_LAYOUT_TABLE(Namespace, Type) namespace Namespace { struct Type; }
76#define HB_OT_LAYOUT_ACCELERATOR(Namespace, Type) HB_OT_LAYOUT_TABLE (Namespace, Type##_accelerator_t)
77HB_OT_LAYOUT_TABLES
78#undef HB_OT_LAYOUT_ACCELERATOR
79#undef HB_OT_LAYOUT_TABLE
80
81struct hb_ot_face_data_t
82{
83 HB_INTERNAL void init0 (hb_face_t *face);
84 HB_INTERNAL void fini (void);
85
86#define HB_OT_LAYOUT_TABLE_ORDER(Namespace, Type) \
87 HB_PASTE (ORDER_, HB_PASTE (Namespace, HB_PASTE (_, Type)))
88 enum order_t
89 {
90 ORDER_ZERO,
91#define HB_OT_LAYOUT_TABLE(Namespace, Type) HB_OT_LAYOUT_TABLE_ORDER (Namespace, Type),
92#define HB_OT_LAYOUT_ACCELERATOR(Namespace, Type) HB_OT_LAYOUT_TABLE (Namespace, Type)
93 HB_OT_LAYOUT_TABLES
94#undef HB_OT_LAYOUT_ACCELERATOR
95#undef HB_OT_LAYOUT_TABLE
96 };
97
98 hb_face_t *face; /* MUST be JUST before the lazy loaders. */
99#define HB_OT_LAYOUT_TABLE(Namespace, Type) \
100 hb_table_lazy_loader_t<Namespace::Type, HB_OT_LAYOUT_TABLE_ORDER (Namespace, Type)> Type;
101#define HB_OT_LAYOUT_ACCELERATOR(Namespace, Type) \
102 hb_face_lazy_loader_t<Namespace::Type##_accelerator_t, HB_OT_LAYOUT_TABLE_ORDER (Namespace, Type)> Type;
103 HB_OT_LAYOUT_TABLES
104#undef HB_OT_LAYOUT_ACCELERATOR
105#undef HB_OT_LAYOUT_TABLE
106};
107
108
109HB_INTERNAL hb_ot_face_data_t *
110_hb_ot_face_data_create (hb_face_t *face);
111
112HB_INTERNAL void
113_hb_ot_face_data_destroy (hb_ot_face_data_t *data);
114
115
116#endif /* HB_OT_FACE_HH */
117