1 /*
2  * Copyright © 2011,2012  Google, Inc.
3  *
4  *  This is part of HarfBuzz, a text shaping library.
5  *
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.
11  *
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
16  * DAMAGE.
17  *
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.
23  *
24  * Google Author(s): Behdad Esfahbod
25  */
26 
27 #ifndef HB_OT_MAXP_TABLE_HH
28 #define HB_OT_MAXP_TABLE_HH
29 
30 #include "hb-open-type-private.hh"
31 
32 
33 namespace OT {
34 
35 
36 /*
37  * maxp -- The Maximum Profile Table
38  */
39 
40 #define HB_OT_TAG_maxp HB_TAG('m','a','x','p')
41 
42 struct maxp
43 {
44   static const hb_tag_t tableTag	= HB_OT_TAG_maxp;
45 
get_num_glyphsOT::maxp46   inline unsigned int get_num_glyphs (void) const {
47     return numGlyphs;
48   }
49 
sanitizeOT::maxp50   inline bool sanitize (hb_sanitize_context_t *c) {
51     TRACE_SANITIZE (this);
52     return TRACE_RETURN (c->check_struct (this) &&
53 			 likely (version.major == 1 || (version.major == 0 && version.minor == 0x5000u)));
54   }
55 
56   /* We only implement version 0.5 as none of the extra fields in version 1.0 are useful. */
57   protected:
58   FixedVersion	version;		/* Version of the maxp table (0.5 or 1.0),
59 					 * 0x00005000u or 0x00010000u. */
60   USHORT	numGlyphs;		/* The number of glyphs in the font. */
61   public:
62   DEFINE_SIZE_STATIC (6);
63 };
64 
65 
66 } /* namespace OT */
67 
68 
69 #endif /* HB_OT_MAXP_TABLE_HH */
70