2 * Copyright © 2015 Mozilla Foundation.
3 * Copyright © 2015 Google, Inc.
5 * This is part of HarfBuzz, a text shaping library.
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.
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
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.
25 * Mozilla Author(s): Jonathan Kew
26 * Google Author(s): Behdad Esfahbod
29 #ifndef HB_OT_SHAPE_COMPLEX_USE_HH
30 #define HB_OT_SHAPE_COMPLEX_USE_HH
35 #include "hb-ot-shape-complex.hh"
38 #define USE_TABLE_ELEMENT_TYPE uint8_t
40 /* Cateories used in the Universal Shaping Engine spec:
41 * https://docs.microsoft.com/en-us/typography/script-development/use
43 /* Note: This enum is duplicated in the -machine.rl source file.
44 * Not sure how to avoid duplication. */
46 USE_O = 0, /* OTHER */
49 USE_IND = 3, /* BASE_IND */
50 USE_N = 4, /* BASE_NUM */
51 USE_GB = 5, /* BASE_OTHER */
52 USE_CGJ = 6, /* CGJ */
53 // USE_F = 7, /* CONS_FINAL */
54 USE_FM = 8, /* CONS_FINAL_MOD */
55 // USE_M = 9, /* CONS_MED */
56 // USE_CM = 10, /* CONS_MOD */
57 USE_SUB = 11, /* CONS_SUB */
58 USE_H = 12, /* HALANT */
60 USE_HN = 13, /* HALANT_NUM */
61 USE_ZWNJ = 14, /* Zero width non-joiner */
62 USE_ZWJ = 15, /* Zero width joiner */
63 USE_WJ = 16, /* Word joiner */
64 USE_Rsv = 17, /* Reserved characters */
65 USE_R = 18, /* REPHA */
67 // USE_SM = 20, /* SYM_MOD */
68 USE_VS = 21, /* VARIATION_SELECTOR */
69 // USE_V = 36, /* VOWEL */
70 // USE_VM = 40, /* VOWEL_MOD */
71 USE_CS = 43, /* CONS_WITH_STACKER */
73 /* https://github.com/harfbuzz/harfbuzz/issues/1102 */
74 USE_HVM = 44, /* HALANT_OR_VOWEL_MODIFIER */
76 USE_Sk = 48, /* SAKOT */
78 USE_FAbv = 24, /* CONS_FINAL_ABOVE */
79 USE_FBlw = 25, /* CONS_FINAL_BELOW */
80 USE_FPst = 26, /* CONS_FINAL_POST */
81 USE_MAbv = 27, /* CONS_MED_ABOVE */
82 USE_MBlw = 28, /* CONS_MED_BELOW */
83 USE_MPst = 29, /* CONS_MED_POST */
84 USE_MPre = 30, /* CONS_MED_PRE */
85 USE_CMAbv = 31, /* CONS_MOD_ABOVE */
86 USE_CMBlw = 32, /* CONS_MOD_BELOW */
87 USE_VAbv = 33, /* VOWEL_ABOVE / VOWEL_ABOVE_BELOW / VOWEL_ABOVE_BELOW_POST / VOWEL_ABOVE_POST */
88 USE_VBlw = 34, /* VOWEL_BELOW / VOWEL_BELOW_POST */
89 USE_VPst = 35, /* VOWEL_POST UIPC = Right */
90 USE_VPre = 22, /* VOWEL_PRE / VOWEL_PRE_ABOVE / VOWEL_PRE_ABOVE_POST / VOWEL_PRE_POST */
91 USE_VMAbv = 37, /* VOWEL_MOD_ABOVE */
92 USE_VMBlw = 38, /* VOWEL_MOD_BELOW */
93 USE_VMPst = 39, /* VOWEL_MOD_POST */
94 USE_VMPre = 23, /* VOWEL_MOD_PRE */
95 USE_SMAbv = 41, /* SYM_MOD_ABOVE */
96 USE_SMBlw = 42, /* SYM_MOD_BELOW */
97 USE_FMAbv = 45, /* CONS_FINAL_MOD UIPC = Top */
98 USE_FMBlw = 46, /* CONS_FINAL_MOD UIPC = Bottom */
99 USE_FMPst = 47, /* CONS_FINAL_MOD UIPC = Not_Applicable */
102 HB_INTERNAL USE_TABLE_ELEMENT_TYPE
103 hb_use_get_category (hb_codepoint_t u);
105 #endif /* HB_OT_SHAPE_COMPLEX_USE_HH */