hb-common.h revision 0ead481a5a8623103565fd7d924666e7342278dd 
1/*
2 * Copyright (C) 2007,2008,2009  Red Hat, Inc.
3 *
4 *  This is part of HarfBuzz, an OpenType Layout engine 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 * Red Hat Author(s): Behdad Esfahbod
25 */
26
27#ifndef HB_COMMON_H
28#define HB_COMMON_H
29
30#include <stdint.h>
31
32# ifdef __cplusplus
33#  define HB_BEGIN_DECLS	extern "C" {
34#  define HB_END_DECLS		}
35# else /* !__cplusplus */
36#  define HB_BEGIN_DECLS
37#  define HB_END_DECLS
38# endif /* !__cplusplus */
39
40typedef int hb_bool_t;
41
42typedef uint32_t hb_tag_t;
43#define HB_TAG(a,b,c,d) ((hb_tag_t)(((uint8_t)a<<24)|((uint8_t)b<<16)|((uint8_t)c<<8)|(uint8_t)d))
44#define HB_TAG_STR(s)   (HB_TAG(((const char *) s)[0], \
45				((const char *) s)[1], \
46				((const char *) s)[2], \
47				((const char *) s)[3]))
48#define HB_TAG_NONE HB_TAG(0,0,0,0)
49
50typedef uint32_t hb_codepoint_t;
51typedef int32_t hb_position_t;
52typedef int32_t hb_16dot16_t;
53
54typedef void (*hb_destroy_func_t) (void *user_data);
55
56#endif /* HB_COMMON_H */
57