| /* |
| * Copyright © 2007,2008,2009 Red Hat, Inc. |
| * Copyright © 2011 Google, Inc. |
| * |
| * This is part of HarfBuzz, a text shaping library. |
| * |
| * Permission is hereby granted, without written agreement and without |
| * license or royalty fees, to use, copy, modify, and distribute this |
| * software and its documentation for any purpose, provided that the |
| * above copyright notice and the following two paragraphs appear in |
| * all copies of this software. |
| * |
| * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
| * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
| * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
| * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
| * DAMAGE. |
| * |
| * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
| * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
| * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
| * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
| * |
| * Red Hat Author(s): Behdad Esfahbod |
| * Google Author(s): Behdad Esfahbod |
| */ |
| |
| #ifndef HB_COMMON_H |
| #define HB_COMMON_H |
| |
| # ifdef __cplusplus |
| # define HB_BEGIN_DECLS extern "C" { |
| # define HB_END_DECLS } |
| # else /* !__cplusplus */ |
| # define HB_BEGIN_DECLS |
| # define HB_END_DECLS |
| # endif /* !__cplusplus */ |
| |
| HB_BEGIN_DECLS |
| |
| |
| #ifdef _MSC_VER |
| typedef signed char int8_t; |
| typedef unsigned char uint8_t; |
| typedef signed short int16_t; |
| typedef unsigned short uint16_t; |
| typedef signed int int32_t; |
| typedef unsigned int uint32_t; |
| typedef signed long long int64_t; |
| typedef unsigned long long uint64_t; |
| #else |
| #include <stdint.h> |
| #endif |
| |
| typedef int hb_bool_t; |
| |
| typedef uint32_t hb_codepoint_t; |
| typedef int32_t hb_position_t; |
| typedef uint32_t hb_mask_t; |
| |
| typedef union _hb_var_int_t { |
| uint32_t u32; |
| int32_t i32; |
| uint16_t u16[2]; |
| int16_t i16[2]; |
| uint8_t u8[4]; |
| int8_t i8[4]; |
| } hb_var_int_t; |
| |
| typedef void (*hb_destroy_func_t) (void *user_data); |
| |
| |
| /* hb_tag_t */ |
| |
| typedef uint32_t hb_tag_t; |
| |
| #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)))) |
| |
| #define HB_TAG_NONE HB_TAG(0,0,0,0) |
| |
| hb_tag_t hb_tag_from_string (const char *s); |
| |
| |
| /* hb_direction_t */ |
| |
| typedef enum _hb_direction_t { |
| HB_DIRECTION_INVALID = -1, |
| HB_DIRECTION_LTR = 0, |
| HB_DIRECTION_RTL, |
| HB_DIRECTION_TTB, |
| HB_DIRECTION_BTT |
| } hb_direction_t; |
| |
| #define HB_DIRECTION_IS_HORIZONTAL(dir) ((((unsigned int) (dir)) & ~1U) == 0) |
| #define HB_DIRECTION_IS_VERTICAL(dir) ((((unsigned int) (dir)) & ~1U) == 2) |
| #define HB_DIRECTION_IS_FORWARD(dir) ((((unsigned int) (dir)) & ~2U) == 0) |
| #define HB_DIRECTION_IS_BACKWARD(dir) ((((unsigned int) (dir)) & ~2U) == 1) |
| #define HB_DIRECTION_REVERSE(dir) ((hb_direction_t) (((unsigned int) (dir)) ^ 1)) |
| |
| |
| /* hb_language_t */ |
| |
| typedef struct _hb_language_t *hb_language_t; |
| |
| hb_language_t |
| hb_language_from_string (const char *str); |
| |
| const char * |
| hb_language_to_string (hb_language_t language); |
| |
| |
| /* hb_unicode_general_category_t */ |
| |
| typedef enum |
| { |
| HB_UNICODE_GENERAL_CATEGORY_CONTROL, /* Cc */ |
| HB_UNICODE_GENERAL_CATEGORY_FORMAT, /* Cf */ |
| HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED, /* Cn */ |
| HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE, /* Co */ |
| HB_UNICODE_GENERAL_CATEGORY_SURROGATE, /* Cs */ |
| HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER, /* Ll */ |
| HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER, /* Lm */ |
| HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER, /* Lo */ |
| HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER, /* Lt */ |
| HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER, /* Lu */ |
| HB_UNICODE_GENERAL_CATEGORY_COMBINING_MARK, /* Mc */ |
| HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK, /* Me */ |
| HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK, /* Mn */ |
| HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER, /* Nd */ |
| HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER, /* Nl */ |
| HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER, /* No */ |
| HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION, /* Pc */ |
| HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION, /* Pd */ |
| HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION, /* Pe */ |
| HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION, /* Pf */ |
| HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION, /* Pi */ |
| HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION, /* Po */ |
| HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION, /* Ps */ |
| HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL, /* Sc */ |
| HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL, /* Sk */ |
| HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL, /* Sm */ |
| HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL, /* So */ |
| HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR, /* Zl */ |
| HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR, /* Zp */ |
| HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR /* Zs */ |
| } hb_unicode_general_category_t; |
| |
| |
| /* hb_script_t */ |
| |
| typedef enum |
| { |
| HB_SCRIPT_COMMON = HB_TAG ('Z','y','y','y'), |
| HB_SCRIPT_INHERITED = HB_TAG ('Q','a','a','i'), |
| HB_SCRIPT_ARABIC = HB_TAG ('A','r','a','b'), |
| HB_SCRIPT_ARMENIAN = HB_TAG ('A','r','m','n'), |
| HB_SCRIPT_BENGALI = HB_TAG ('B','e','n','g'), |
| HB_SCRIPT_BOPOMOFO = HB_TAG ('B','o','p','o'), |
| HB_SCRIPT_CHEROKEE = HB_TAG ('C','h','e','r'), |
| HB_SCRIPT_COPTIC = HB_TAG ('Q','a','a','c'), |
| HB_SCRIPT_CYRILLIC = HB_TAG ('C','y','r','l'), |
| HB_SCRIPT_DESERET = HB_TAG ('D','s','r','t'), |
| HB_SCRIPT_DEVANAGARI = HB_TAG ('D','e','v','a'), |
| HB_SCRIPT_ETHIOPIC = HB_TAG ('E','t','h','i'), |
| HB_SCRIPT_GEORGIAN = HB_TAG ('G','e','o','r'), |
| HB_SCRIPT_GOTHIC = HB_TAG ('G','o','t','h'), |
| HB_SCRIPT_GREEK = HB_TAG ('G','r','e','k'), |
| HB_SCRIPT_GUJARATI = HB_TAG ('G','u','j','r'), |
| HB_SCRIPT_GURMUKHI = HB_TAG ('G','u','r','u'), |
| HB_SCRIPT_HAN = HB_TAG ('H','a','n','i'), |
| HB_SCRIPT_HANGUL = HB_TAG ('H','a','n','g'), |
| HB_SCRIPT_HEBREW = HB_TAG ('H','e','b','r'), |
| HB_SCRIPT_HIRAGANA = HB_TAG ('H','i','r','a'), |
| HB_SCRIPT_KANNADA = HB_TAG ('K','n','d','a'), |
| HB_SCRIPT_KATAKANA = HB_TAG ('K','a','n','a'), |
| HB_SCRIPT_KHMER = HB_TAG ('K','h','m','r'), |
| HB_SCRIPT_LAO = HB_TAG ('L','a','o','o'), |
| HB_SCRIPT_LATIN = HB_TAG ('L','a','t','n'), |
| HB_SCRIPT_MALAYALAM = HB_TAG ('M','l','y','m'), |
| HB_SCRIPT_MONGOLIAN = HB_TAG ('M','o','n','g'), |
| HB_SCRIPT_MYANMAR = HB_TAG ('M','y','m','r'), |
| HB_SCRIPT_OGHAM = HB_TAG ('O','g','a','m'), |
| HB_SCRIPT_OLD_ITALIC = HB_TAG ('I','t','a','l'), |
| HB_SCRIPT_ORIYA = HB_TAG ('O','r','y','a'), |
| HB_SCRIPT_RUNIC = HB_TAG ('R','u','n','r'), |
| HB_SCRIPT_SINHALA = HB_TAG ('S','i','n','h'), |
| HB_SCRIPT_SYRIAC = HB_TAG ('S','y','r','c'), |
| HB_SCRIPT_TAMIL = HB_TAG ('T','a','m','l'), |
| HB_SCRIPT_TELUGU = HB_TAG ('T','e','l','u'), |
| HB_SCRIPT_THAANA = HB_TAG ('T','h','a','a'), |
| HB_SCRIPT_THAI = HB_TAG ('T','h','a','i'), |
| HB_SCRIPT_TIBETAN = HB_TAG ('T','i','b','t'), |
| HB_SCRIPT_CANADIAN_ABORIGINAL = HB_TAG ('C','a','n','s'), |
| HB_SCRIPT_YI = HB_TAG ('Y','i','i','i'), |
| HB_SCRIPT_TAGALOG = HB_TAG ('T','g','l','g'), |
| HB_SCRIPT_HANUNOO = HB_TAG ('H','a','n','o'), |
| HB_SCRIPT_BUHID = HB_TAG ('B','u','h','d'), |
| HB_SCRIPT_TAGBANWA = HB_TAG ('T','a','g','b'), |
| |
| /* Unicode-4.0 additions */ |
| HB_SCRIPT_BRAILLE = HB_TAG ('B','r','a','i'), |
| HB_SCRIPT_CYPRIOT = HB_TAG ('C','p','r','t'), |
| HB_SCRIPT_LIMBU = HB_TAG ('L','i','m','b'), |
| HB_SCRIPT_OSMANYA = HB_TAG ('O','s','m','a'), |
| HB_SCRIPT_SHAVIAN = HB_TAG ('S','h','a','w'), |
| HB_SCRIPT_LINEAR_B = HB_TAG ('L','i','n','b'), |
| HB_SCRIPT_TAI_LE = HB_TAG ('T','a','l','e'), |
| HB_SCRIPT_UGARITIC = HB_TAG ('U','g','a','r'), |
| |
| /* Unicode-4.1 additions */ |
| HB_SCRIPT_NEW_TAI_LUE = HB_TAG ('T','a','l','u'), |
| HB_SCRIPT_BUGINESE = HB_TAG ('B','u','g','i'), |
| HB_SCRIPT_GLAGOLITIC = HB_TAG ('G','l','a','g'), |
| HB_SCRIPT_TIFINAGH = HB_TAG ('T','f','n','g'), |
| HB_SCRIPT_SYLOTI_NAGRI = HB_TAG ('S','y','l','o'), |
| HB_SCRIPT_OLD_PERSIAN = HB_TAG ('X','p','e','o'), |
| HB_SCRIPT_KHAROSHTHI = HB_TAG ('K','h','a','r'), |
| |
| /* Unicode-5.0 additions */ |
| HB_SCRIPT_UNKNOWN = HB_TAG ('Z','z','z','z'), |
| HB_SCRIPT_BALINESE = HB_TAG ('B','a','l','i'), |
| HB_SCRIPT_CUNEIFORM = HB_TAG ('X','s','u','x'), |
| HB_SCRIPT_PHOENICIAN = HB_TAG ('P','h','n','x'), |
| HB_SCRIPT_PHAGS_PA = HB_TAG ('P','h','a','g'), |
| HB_SCRIPT_NKO = HB_TAG ('N','k','o','o'), |
| |
| /* Unicode-5.1 additions */ |
| HB_SCRIPT_KAYAH_LI = HB_TAG ('K','a','l','i'), |
| HB_SCRIPT_LEPCHA = HB_TAG ('L','e','p','c'), |
| HB_SCRIPT_REJANG = HB_TAG ('R','j','n','g'), |
| HB_SCRIPT_SUNDANESE = HB_TAG ('S','u','n','d'), |
| HB_SCRIPT_SAURASHTRA = HB_TAG ('S','a','u','r'), |
| HB_SCRIPT_CHAM = HB_TAG ('C','h','a','m'), |
| HB_SCRIPT_OL_CHIKI = HB_TAG ('O','l','c','k'), |
| HB_SCRIPT_VAI = HB_TAG ('V','a','i','i'), |
| HB_SCRIPT_CARIAN = HB_TAG ('C','a','r','i'), |
| HB_SCRIPT_LYCIAN = HB_TAG ('L','y','c','i'), |
| HB_SCRIPT_LYDIAN = HB_TAG ('L','y','d','i'), |
| |
| /* Unicode-5.2 additions */ |
| HB_SCRIPT_AVESTAN = HB_TAG ('A','v','s','t'), |
| HB_SCRIPT_BAMUM = HB_TAG ('B','a','m','u'), |
| HB_SCRIPT_EGYPTIAN_HIEROGLYPHS = HB_TAG ('E','g','y','p'), |
| HB_SCRIPT_IMPERIAL_ARAMAIC = HB_TAG ('A','r','m','i'), |
| HB_SCRIPT_INSCRIPTIONAL_PAHLAVI = HB_TAG ('P','h','l','i'), |
| HB_SCRIPT_INSCRIPTIONAL_PARTHIAN = HB_TAG ('P','r','t','i'), |
| HB_SCRIPT_JAVANESE = HB_TAG ('J','a','v','a'), |
| HB_SCRIPT_KAITHI = HB_TAG ('K','t','h','i'), |
| HB_SCRIPT_LISU = HB_TAG ('L','i','s','u'), |
| HB_SCRIPT_MEETEI_MAYEK = HB_TAG ('M','t','e','i'), |
| HB_SCRIPT_OLD_SOUTH_ARABIAN = HB_TAG ('S','a','r','b'), |
| HB_SCRIPT_OLD_TURKIC = HB_TAG ('O','r','k','h'), |
| HB_SCRIPT_SAMARITAN = HB_TAG ('S','a','m','r'), |
| HB_SCRIPT_TAI_THAM = HB_TAG ('L','a','n','a'), |
| HB_SCRIPT_TAI_VIET = HB_TAG ('T','a','v','t'), |
| |
| /* Unicode-6.0 additions */ |
| HB_SCRIPT_BATAK = HB_TAG ('B','a','t','k'), |
| HB_SCRIPT_BRAHMI = HB_TAG ('B','r','a','h'), |
| HB_SCRIPT_MANDAIC = HB_TAG ('M','a','n','d'), |
| |
| /* No script set */ |
| HB_SCRIPT_INVALID = HB_TAG_NONE |
| } hb_script_t; |
| |
| |
| /* Script functions */ |
| |
| hb_script_t |
| hb_script_from_iso15924_tag (hb_tag_t tag); |
| |
| /* suger for tag_from_string() then script_from_iso15924_tag */ |
| hb_script_t |
| hb_script_from_string (const char *s); |
| |
| hb_tag_t |
| hb_script_to_iso15924_tag (hb_script_t script); |
| |
| hb_direction_t |
| hb_script_get_horizontal_direction (hb_script_t script); |
| |
| |
| HB_END_DECLS |
| |
| #endif /* HB_COMMON_H */ |
