2 * Copyright © 2018 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 #ifndef HB_OT_SHAPE_COMPLEX_KHMER_HH
28 #define HB_OT_SHAPE_COMPLEX_KHMER_HH
32 #include "hb-ot-shape-complex-indic.hh"
35 /* buffer var allocations */
36 #define khmer_category() indic_category() /* khmer_category_t */
39 /* Note: This enum is duplicated in the -machine.rl source file.
40 * Not sure how to avoid duplication. */
52 using khmer_position_t = indic_position_t;
55 set_khmer_properties (hb_glyph_info_t &info)
57 hb_codepoint_t u = info.codepoint;
58 unsigned int type = hb_indic_get_categories (u);
59 khmer_category_t cat = (khmer_category_t) (type & 0xFFu);
60 khmer_position_t pos = (khmer_position_t) (type >> 8);
66 * These categories are experimentally extracted from what Uniscribe allows.
71 cat = (khmer_category_t) OT_Ra;
93 case 0x17D3u: /* Just guessing. Uniscribe doesn't categorize it. */
101 if (cat == (khmer_category_t) OT_M)
104 case POS_PRE_C: cat = (khmer_category_t) OT_VPre; break;
105 case POS_BELOW_C: cat = (khmer_category_t) OT_VBlw; break;
106 case POS_ABOVE_C: cat = (khmer_category_t) OT_VAbv; break;
107 case POS_POST_C: cat = (khmer_category_t) OT_VPst; break;
111 info.khmer_category() = cat;
115 #endif /* HB_OT_SHAPE_COMPLEX_KHMER_HH */