2 * Copyright (C) 2007,2008,2009 Red Hat, 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 * Red Hat Author(s): Behdad Esfahbod
31 # define HB_BEGIN_DECLS extern "C" {
32 # define HB_END_DECLS }
33 # else /* !__cplusplus */
34 # define HB_BEGIN_DECLS
36 # endif /* !__cplusplus */
42 typedef signed char int8_t;
43 typedef unsigned char uint8_t;
44 typedef signed short int16_t;
45 typedef unsigned short uint16_t;
46 typedef signed int int32_t;
47 typedef unsigned int uint32_t;
48 typedef signed long long int64_t;
49 typedef unsigned long long uint64_t;
54 typedef int hb_bool_t;
56 typedef uint32_t hb_codepoint_t;
57 typedef int32_t hb_position_t;
58 typedef uint32_t hb_mask_t;
60 typedef union _hb_var_int_t {
69 typedef void (*hb_destroy_func_t) (void *user_data);
74 typedef uint32_t hb_tag_t;
76 #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))))
78 #define HB_TAG_NONE HB_TAG(0,0,0,0)
80 hb_tag_t hb_tag_from_string (const char *s);
85 typedef enum _hb_direction_t {
86 HB_DIRECTION_INVALID = -1,
93 #define HB_DIRECTION_IS_HORIZONTAL(dir) ((((unsigned int) (dir)) & ~1U) == 0)
94 #define HB_DIRECTION_IS_VERTICAL(dir) ((((unsigned int) (dir)) & ~1U) == 2)
95 #define HB_DIRECTION_IS_FORWARD(dir) ((((unsigned int) (dir)) & ~2U) == 0)
96 #define HB_DIRECTION_IS_BACKWARD(dir) ((((unsigned int) (dir)) & ~2U) == 1)
97 #define HB_DIRECTION_REVERSE(dir) ((hb_direction_t) (((unsigned int) (dir)) ^ 1))
102 typedef const void *hb_language_t;
105 hb_language_from_string (const char *str);
108 hb_language_to_string (hb_language_t language);
113 #endif /* HB_COMMON_H */