2 * Copyright © 2007,2008,2009 Red Hat, Inc.
3 * Copyright © 2011,2012 Google, Inc.
5 * This is part of HarfBuzz, a text shaping library.
7 * Permission is hereby granted, without written agreement and without
8 * license or royalty fees, to use, copy, modify, and distribute this
9 * software and its documentation for any purpose, provided that the
10 * above copyright notice and the following two paragraphs appear in
11 * all copies of this software.
13 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
14 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
15 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
16 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
19 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
20 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
21 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
22 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
23 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
25 * Red Hat Author(s): Behdad Esfahbod
26 * Google Author(s): Behdad Esfahbod
30 #error "Include <hb.h> instead."
36 #ifndef HB_BEGIN_DECLS
38 # define HB_BEGIN_DECLS extern "C" {
39 # define HB_END_DECLS }
40 # else /* !__cplusplus */
41 # define HB_BEGIN_DECLS
43 # endif /* !__cplusplus */
46 #if !defined (HB_DONT_DEFINE_STDINT)
48 #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || \
49 defined (_sgi) || defined (__sun) || defined (sun) || \
50 defined (__digital__) || defined (__HP_cc)
51 # include <inttypes.h>
53 # include <sys/inttypes.h>
54 /* VS 2010 (_MSC_VER 1600) has stdint.h */
55 #elif defined (_MSC_VER) && _MSC_VER < 1600
56 typedef __int8 int8_t;
57 typedef unsigned __int8 uint8_t;
58 typedef __int16 int16_t;
59 typedef unsigned __int16 uint16_t;
60 typedef __int32 int32_t;
61 typedef unsigned __int32 uint32_t;
62 typedef __int64 int64_t;
63 typedef unsigned __int64 uint64_t;
73 typedef int hb_bool_t;
75 typedef uint32_t hb_codepoint_t;
76 typedef int32_t hb_position_t;
77 typedef uint32_t hb_mask_t;
79 typedef union _hb_var_int_t {
91 typedef uint32_t hb_tag_t;
93 #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))))
94 #define HB_UNTAG(tag) ((uint8_t)((tag)>>24)), ((uint8_t)((tag)>>16)), ((uint8_t)((tag)>>8)), ((uint8_t)(tag))
96 #define HB_TAG_NONE HB_TAG(0,0,0,0)
98 /* len=-1 means str is NUL-terminated */
100 hb_tag_from_string (const char *str, int len);
106 HB_DIRECTION_INVALID = 0,
107 HB_DIRECTION_LTR = 4,
113 /* len=-1 means str is NUL-terminated */
115 hb_direction_from_string (const char *str, int len);
118 hb_direction_to_string (hb_direction_t direction);
120 #define HB_DIRECTION_IS_HORIZONTAL(dir) ((((unsigned int) (dir)) & ~1U) == 4)
121 #define HB_DIRECTION_IS_VERTICAL(dir) ((((unsigned int) (dir)) & ~1U) == 6)
122 #define HB_DIRECTION_IS_FORWARD(dir) ((((unsigned int) (dir)) & ~2U) == 4)
123 #define HB_DIRECTION_IS_BACKWARD(dir) ((((unsigned int) (dir)) & ~2U) == 5)
124 #define HB_DIRECTION_IS_VALID(dir) ((((unsigned int) (dir)) & ~3U) == 4)
125 #define HB_DIRECTION_REVERSE(dir) ((hb_direction_t) (((unsigned int) (dir)) ^ 1)) /* Direction must be valid */
130 typedef struct hb_language_impl_t *hb_language_t;
132 /* len=-1 means str is NUL-terminated */
134 hb_language_from_string (const char *str, int len);
137 hb_language_to_string (hb_language_t language);
139 #define HB_LANGUAGE_INVALID ((hb_language_t) NULL)
142 hb_language_get_default (void);
147 /* http://unicode.org/iso15924/ */
148 /* http://goo.gl/x9ilM */
149 /* Unicode Character Database property: Script (sc) */
152 /* Unicode-1.1 additions */
153 HB_SCRIPT_COMMON = HB_TAG ('Z','y','y','y'),
154 HB_SCRIPT_ARABIC = HB_TAG ('A','r','a','b'),
155 HB_SCRIPT_ARMENIAN = HB_TAG ('A','r','m','n'),
156 HB_SCRIPT_BENGALI = HB_TAG ('B','e','n','g'),
157 HB_SCRIPT_BOPOMOFO = HB_TAG ('B','o','p','o'),
158 HB_SCRIPT_CANADIAN_ABORIGINAL = HB_TAG ('C','a','n','s'),
159 HB_SCRIPT_CHEROKEE = HB_TAG ('C','h','e','r'),
160 HB_SCRIPT_COPTIC = HB_TAG ('C','o','p','t'),
161 HB_SCRIPT_CYRILLIC = HB_TAG ('C','y','r','l'),
162 HB_SCRIPT_DEVANAGARI = HB_TAG ('D','e','v','a'),
163 HB_SCRIPT_GEORGIAN = HB_TAG ('G','e','o','r'),
164 HB_SCRIPT_GREEK = HB_TAG ('G','r','e','k'),
165 HB_SCRIPT_GUJARATI = HB_TAG ('G','u','j','r'),
166 HB_SCRIPT_GURMUKHI = HB_TAG ('G','u','r','u'),
167 HB_SCRIPT_HANGUL = HB_TAG ('H','a','n','g'),
168 HB_SCRIPT_HAN = HB_TAG ('H','a','n','i'),
169 HB_SCRIPT_HEBREW = HB_TAG ('H','e','b','r'),
170 HB_SCRIPT_HIRAGANA = HB_TAG ('H','i','r','a'),
171 HB_SCRIPT_INHERITED = HB_TAG ('Z','i','n','h'),
172 HB_SCRIPT_KANNADA = HB_TAG ('K','n','d','a'),
173 HB_SCRIPT_KATAKANA = HB_TAG ('K','a','n','a'),
174 HB_SCRIPT_LAO = HB_TAG ('L','a','o','o'),
175 HB_SCRIPT_LATIN = HB_TAG ('L','a','t','n'),
176 HB_SCRIPT_MALAYALAM = HB_TAG ('M','l','y','m'),
177 HB_SCRIPT_MONGOLIAN = HB_TAG ('M','o','n','g'),
178 HB_SCRIPT_OGHAM = HB_TAG ('O','g','a','m'),
179 HB_SCRIPT_ORIYA = HB_TAG ('O','r','y','a'),
180 HB_SCRIPT_RUNIC = HB_TAG ('R','u','n','r'),
181 HB_SCRIPT_SYRIAC = HB_TAG ('S','y','r','c'),
182 HB_SCRIPT_TAMIL = HB_TAG ('T','a','m','l'),
183 HB_SCRIPT_TELUGU = HB_TAG ('T','e','l','u'),
184 HB_SCRIPT_THAI = HB_TAG ('T','h','a','i'),
185 HB_SCRIPT_YI = HB_TAG ('Y','i','i','i'),
187 /* Unicode-2.0 additions */
188 HB_SCRIPT_TIBETAN = HB_TAG ('T','i','b','t'),
190 /* Unicode-3.0 additions */
191 HB_SCRIPT_ETHIOPIC = HB_TAG ('E','t','h','i'),
192 HB_SCRIPT_KHMER = HB_TAG ('K','h','m','r'),
193 HB_SCRIPT_MYANMAR = HB_TAG ('M','y','m','r'),
194 HB_SCRIPT_SINHALA = HB_TAG ('S','i','n','h'),
195 HB_SCRIPT_THAANA = HB_TAG ('T','h','a','a'),
197 /* Unicode-3.1 additions */
198 HB_SCRIPT_DESERET = HB_TAG ('D','s','r','t'),
199 HB_SCRIPT_GOTHIC = HB_TAG ('G','o','t','h'),
200 HB_SCRIPT_OLD_ITALIC = HB_TAG ('I','t','a','l'),
202 /* Unicode-3.2 additions */
203 HB_SCRIPT_BUHID = HB_TAG ('B','u','h','d'),
204 HB_SCRIPT_HANUNOO = HB_TAG ('H','a','n','o'),
205 HB_SCRIPT_TAGALOG = HB_TAG ('T','g','l','g'),
206 HB_SCRIPT_TAGBANWA = HB_TAG ('T','a','g','b'),
208 /* Unicode-4.0 additions */
209 HB_SCRIPT_BRAILLE = HB_TAG ('B','r','a','i'),
210 HB_SCRIPT_CYPRIOT = HB_TAG ('C','p','r','t'),
211 HB_SCRIPT_LIMBU = HB_TAG ('L','i','m','b'),
212 HB_SCRIPT_LINEAR_B = HB_TAG ('L','i','n','b'),
213 HB_SCRIPT_OSMANYA = HB_TAG ('O','s','m','a'),
214 HB_SCRIPT_SHAVIAN = HB_TAG ('S','h','a','w'),
215 HB_SCRIPT_TAI_LE = HB_TAG ('T','a','l','e'),
216 HB_SCRIPT_UGARITIC = HB_TAG ('U','g','a','r'),
218 /* Unicode-4.1 additions */
219 HB_SCRIPT_BUGINESE = HB_TAG ('B','u','g','i'),
220 HB_SCRIPT_GLAGOLITIC = HB_TAG ('G','l','a','g'),
221 HB_SCRIPT_KHAROSHTHI = HB_TAG ('K','h','a','r'),
222 HB_SCRIPT_NEW_TAI_LUE = HB_TAG ('T','a','l','u'),
223 HB_SCRIPT_OLD_PERSIAN = HB_TAG ('X','p','e','o'),
224 HB_SCRIPT_SYLOTI_NAGRI = HB_TAG ('S','y','l','o'),
225 HB_SCRIPT_TIFINAGH = HB_TAG ('T','f','n','g'),
227 /* Unicode-5.0 additions */
228 HB_SCRIPT_BALINESE = HB_TAG ('B','a','l','i'),
229 HB_SCRIPT_CUNEIFORM = HB_TAG ('X','s','u','x'),
230 HB_SCRIPT_NKO = HB_TAG ('N','k','o','o'),
231 HB_SCRIPT_PHAGS_PA = HB_TAG ('P','h','a','g'),
232 HB_SCRIPT_PHOENICIAN = HB_TAG ('P','h','n','x'),
233 HB_SCRIPT_UNKNOWN = HB_TAG ('Z','z','z','z'),
235 /* Unicode-5.1 additions */
236 HB_SCRIPT_CARIAN = HB_TAG ('C','a','r','i'),
237 HB_SCRIPT_CHAM = HB_TAG ('C','h','a','m'),
238 HB_SCRIPT_KAYAH_LI = HB_TAG ('K','a','l','i'),
239 HB_SCRIPT_LEPCHA = HB_TAG ('L','e','p','c'),
240 HB_SCRIPT_LYCIAN = HB_TAG ('L','y','c','i'),
241 HB_SCRIPT_LYDIAN = HB_TAG ('L','y','d','i'),
242 HB_SCRIPT_OL_CHIKI = HB_TAG ('O','l','c','k'),
243 HB_SCRIPT_REJANG = HB_TAG ('R','j','n','g'),
244 HB_SCRIPT_SAURASHTRA = HB_TAG ('S','a','u','r'),
245 HB_SCRIPT_SUNDANESE = HB_TAG ('S','u','n','d'),
246 HB_SCRIPT_VAI = HB_TAG ('V','a','i','i'),
248 /* Unicode-5.2 additions */
249 HB_SCRIPT_AVESTAN = HB_TAG ('A','v','s','t'),
250 HB_SCRIPT_BAMUM = HB_TAG ('B','a','m','u'),
251 HB_SCRIPT_EGYPTIAN_HIEROGLYPHS = HB_TAG ('E','g','y','p'),
252 HB_SCRIPT_IMPERIAL_ARAMAIC = HB_TAG ('A','r','m','i'),
253 HB_SCRIPT_INSCRIPTIONAL_PAHLAVI = HB_TAG ('P','h','l','i'),
254 HB_SCRIPT_INSCRIPTIONAL_PARTHIAN = HB_TAG ('P','r','t','i'),
255 HB_SCRIPT_JAVANESE = HB_TAG ('J','a','v','a'),
256 HB_SCRIPT_KAITHI = HB_TAG ('K','t','h','i'),
257 HB_SCRIPT_LISU = HB_TAG ('L','i','s','u'),
258 HB_SCRIPT_MEETEI_MAYEK = HB_TAG ('M','t','e','i'),
259 HB_SCRIPT_OLD_SOUTH_ARABIAN = HB_TAG ('S','a','r','b'),
260 HB_SCRIPT_OLD_TURKIC = HB_TAG ('O','r','k','h'),
261 HB_SCRIPT_SAMARITAN = HB_TAG ('S','a','m','r'),
262 HB_SCRIPT_TAI_THAM = HB_TAG ('L','a','n','a'),
263 HB_SCRIPT_TAI_VIET = HB_TAG ('T','a','v','t'),
265 /* Unicode-6.0 additions */
266 HB_SCRIPT_BATAK = HB_TAG ('B','a','t','k'),
267 HB_SCRIPT_BRAHMI = HB_TAG ('B','r','a','h'),
268 HB_SCRIPT_MANDAIC = HB_TAG ('M','a','n','d'),
270 /* Unicode-6.1 additions */
271 HB_SCRIPT_CHAKMA = HB_TAG ('C','a','k','m'),
272 HB_SCRIPT_MEROITIC_CURSIVE = HB_TAG ('M','e','r','c'),
273 HB_SCRIPT_MEROITIC_HIEROGLYPHS = HB_TAG ('M','e','r','o'),
274 HB_SCRIPT_MIAO = HB_TAG ('P','l','r','d'),
275 HB_SCRIPT_SHARADA = HB_TAG ('S','h','r','d'),
276 HB_SCRIPT_SORA_SOMPENG = HB_TAG ('S','o','r','a'),
277 HB_SCRIPT_TAKRI = HB_TAG ('T','a','k','r'),
280 HB_SCRIPT_INVALID = HB_TAG_NONE
284 /* Script functions */
287 hb_script_from_iso15924_tag (hb_tag_t tag);
289 /* suger for tag_from_string() then script_from_iso15924_tag */
290 /* len=-1 means s is NUL-terminated */
292 hb_script_from_string (const char *s, int len);
295 hb_script_to_iso15924_tag (hb_script_t script);
298 hb_script_get_horizontal_direction (hb_script_t script);
303 typedef struct hb_user_data_key_t {
306 } hb_user_data_key_t;
308 typedef void (*hb_destroy_func_t) (void *user_data);
313 #endif /* HB_COMMON_H */