2 * Copyright © 2010,2012 Google, Inc.
4 * This is part of HarfBuzz, a text shaping library.
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.
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
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.
24 * Google Author(s): Behdad Esfahbod
27 #include "hb-ot-shape-complex-private.hh"
31 compose_hebrew (const hb_ot_shape_normalize_context_t *c,
36 /* Hebrew presentation-form shaping.
37 * https://bugzilla.mozilla.org/show_bug.cgi?id=728866
38 * Hebrew presentation forms with dagesh, for characters U+05D0..05EA;
39 * Note that some letters do not have a dagesh presForm encoded.
41 static const hb_codepoint_t sDageshForms[0x05EAu - 0x05D0u + 1] = {
52 0xFB3Au, /* FINAL KAF */
55 0x0000u, /* FINAL MEM */
57 0x0000u, /* FINAL NUN */
61 0xFB43u, /* FINAL PE */
63 0x0000u, /* FINAL TSADI */
71 bool found = (bool) c->unicode->compose (a, b, ab);
73 if (!found && !c->plan->has_mark)
75 /* Special-case Hebrew presentation forms that are excluded from
76 * standard normalization, but wanted for old fonts. */
78 case 0x05B4u: /* HIRIQ */
79 if (a == 0x05D9u) { /* YOD */
84 case 0x05B7u: /* patah */
85 if (a == 0x05F2u) { /* YIDDISH YOD YOD */
88 } else if (a == 0x05D0u) { /* ALEF */
93 case 0x05B8u: /* QAMATS */
94 if (a == 0x05D0u) { /* ALEF */
99 case 0x05B9u: /* HOLAM */
100 if (a == 0x05D5u) { /* VAV */
105 case 0x05BCu: /* DAGESH */
106 if (a >= 0x05D0u && a <= 0x05EAu) {
107 *ab = sDageshForms[a - 0x05D0u];
109 } else if (a == 0xFB2Au) { /* SHIN WITH SHIN DOT */
112 } else if (a == 0xFB2Bu) { /* SHIN WITH SIN DOT */
117 case 0x05BFu: /* RAFE */
119 case 0x05D1u: /* BET */
123 case 0x05DBu: /* KAF */
127 case 0x05E4u: /* PE */
133 case 0x05C1u: /* SHIN DOT */
134 if (a == 0x05E9u) { /* SHIN */
137 } else if (a == 0xFB49u) { /* SHIN WITH DAGESH */
142 case 0x05C2u: /* SIN DOT */
143 if (a == 0x05E9u) { /* SHIN */
146 } else if (a == 0xFB49u) { /* SHIN WITH DAGESH */
158 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew =
161 NULL, /* collect_features */
162 NULL, /* override_features */
163 NULL, /* data_create */
164 NULL, /* data_destroy */
165 NULL, /* preprocess_text */
166 NULL, /* postprocess_glyphs */
167 HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
168 NULL, /* decompose */
170 NULL, /* setup_masks */
171 HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
172 true, /* fallback_position */