2 * Copyright © 2018 Ebrahim Byagowi
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
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25 #ifndef HB_AAT_LTAG_TABLE_HH
26 #define HB_AAT_LTAG_TABLE_HH
28 #include "hb-open-type.hh"
31 * ltag -- Language Tag
32 * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6ltag.html
34 #define HB_AAT_TAG_ltag HB_TAG('l','t','a','g')
46 bool sanitize (hb_sanitize_context_t *c, const void *base) const
48 TRACE_SANITIZE (this);
49 return_trace (c->check_struct (this) && (base+tag).sanitize (c, length));
53 NNOffsetTo<UnsizedArrayOf<HBUINT8> >
54 tag; /* Offset from the start of the table to
55 * the beginning of the string */
56 HBUINT16 length; /* String length (in bytes) */
58 DEFINE_SIZE_STATIC (4);
63 static constexpr hb_tag_t tableTag = HB_AAT_TAG_ltag;
65 hb_language_t get_language (unsigned int i) const
67 const FTStringRange &range = tagRanges[i];
68 return hb_language_from_string ((const char *) (this+range.tag).arrayZ,
72 bool sanitize (hb_sanitize_context_t *c) const
74 TRACE_SANITIZE (this);
75 return_trace (likely (c->check_struct (this) &&
77 tagRanges.sanitize (c, this)));
81 HBUINT32 version; /* Table version; currently 1 */
82 HBUINT32 flags; /* Table flags; currently none defined */
83 LArrayOf<FTStringRange>
84 tagRanges; /* Range for each tag's string */
86 DEFINE_SIZE_ARRAY (12, tagRanges);
92 #endif /* HB_AAT_LTAG_TABLE_HH */