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Edit File: hb-common.h

/* * Copyright © 2007,2008,2009 Red Hat, Inc. * Copyright © 2011,2012 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_H_IN #error "Include <hb.h> instead." #endif #ifndef HB_COMMON_H #define HB_COMMON_H #ifndef HB_EXTERN #define HB_EXTERN extern #endif #ifndef HB_BEGIN_DECLS # ifdef __cplusplus # define HB_BEGIN_DECLS extern "C" { # define HB_END_DECLS } # else /* !__cplusplus */ # define HB_BEGIN_DECLS # define HB_END_DECLS # endif /* !__cplusplus */ #endif #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || \ defined (_sgi) || defined (__sun) || defined (sun) || \ defined (__digital__) || defined (__HP_cc) # include <inttypes.h> #elif defined (_AIX) # include <sys/inttypes.h> #elif defined (_MSC_VER) && _MSC_VER < 1600 /* VS 2010 (_MSC_VER 1600) has stdint.h */ typedef __int8 int8_t; typedef unsigned __int8 uint8_t; typedef __int16 int16_t; typedef unsigned __int16 uint16_t; typedef __int32 int32_t; typedef unsigned __int32 uint32_t; typedef __int64 int64_t; typedef unsigned __int64 uint64_t; #elif defined (__KERNEL__) # include <linux/types.h> #else # include <stdint.h> #endif #if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)) #define HB_DEPRECATED __attribute__((__deprecated__)) #elif defined(_MSC_VER) && (_MSC_VER >= 1300) #define HB_DEPRECATED __declspec(deprecated) #else #define HB_DEPRECATED #endif #if defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)) #define HB_DEPRECATED_FOR(f) __attribute__((__deprecated__("Use '" #f "' instead"))) #elif defined(_MSC_FULL_VER) && (_MSC_FULL_VER > 140050320) #define HB_DEPRECATED_FOR(f) __declspec(deprecated("is deprecated. Use '" #f "' instead")) #else #define HB_DEPRECATED_FOR(f) HB_DEPRECATED #endif HB_BEGIN_DECLS /** * hb_bool_t: * * Data type for booleans. * **/ typedef int hb_bool_t; /** * hb_codepoint_t: * * Data type for holding Unicode codepoints. Also * used to hold glyph IDs. * **/ typedef uint32_t hb_codepoint_t; /** * hb_position_t: * * Data type for holding a single coordinate value. * Contour points and other multi-dimensional data are * stored as tuples of #hb_position_t's. * **/ typedef int32_t hb_position_t; /** * hb_mask_t: * * Data type for bitmasks. * **/ 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; /* hb_tag_t */ /** * hb_tag_t: * * Data type for tag identifiers. Tags are four * byte integers, each byte representing a character. * * Tags are used to identify tables, design-variation axes, * scripts, languages, font features, and baselines with * human-readable names. * **/ typedef uint32_t hb_tag_t; /** * HB_TAG: * * Constructs an #hb_tag_t from four characters. * **/ #define HB_TAG(c1,c2,c3,c4) ((hb_tag_t)((((uint32_t)(c1)&0xFF)<<24)|(((uint32_t)(c2)&0xFF)<<16)|(((uint32_t)(c3)&0xFF)<<8)|((uint32_t)(c4)&0xFF))) /** * HB_UNTAG: * * Extracts the characters from an #hb_tag_t. * **/ #define HB_UNTAG(tag) (uint8_t)(((tag)>>24)&0xFF), (uint8_t)(((tag)>>16)&0xFF), (uint8_t)(((tag)>>8)&0xFF), (uint8_t)((tag)&0xFF) #define HB_TAG_NONE HB_TAG(0,0,0,0) #define HB_TAG_MAX HB_TAG(0xff,0xff,0xff,0xff) #define HB_TAG_MAX_SIGNED HB_TAG(0x7f,0xff,0xff,0xff) /* len=-1 means str is NUL-terminated. */ HB_EXTERN hb_tag_t hb_tag_from_string (const char *str, int len); /* buf should have 4 bytes. */ HB_EXTERN void hb_tag_to_string (hb_tag_t tag, char *buf); /** * hb_direction_t: * @HB_DIRECTION_INVALID: Initial, unset direction. * @HB_DIRECTION_LTR: Text is set horizontally from left to right. * @HB_DIRECTION_RTL: Text is set horizontally from right to left. * @HB_DIRECTION_TTB: Text is set vertically from top to bottom. * @HB_DIRECTION_BTT: Text is set vertically from bottom to top. * * The direction of a text segment or buffer. * * A segment can also be tested for horizontal or vertical * orientation (irrespective of specific direction) with * HB_DIRECTION_IS_HORIZONTAL() or HB_DIRECTION_IS_VERTICAL(). * */ typedef enum { HB_DIRECTION_INVALID = 0, HB_DIRECTION_LTR = 4, HB_DIRECTION_RTL, HB_DIRECTION_TTB, HB_DIRECTION_BTT } hb_direction_t; /* len=-1 means str is NUL-terminated */ HB_EXTERN hb_direction_t hb_direction_from_string (const char *str, int len); HB_EXTERN const char * hb_direction_to_string (hb_direction_t direction); /** * HB_DIRECTION_IS_VALID: * @dir: #hb_direction_t to test * * Tests whether a text direction is valid. * **/ #define HB_DIRECTION_IS_VALID(dir) ((((unsigned int) (dir)) & ~3U) == 4) /* Direction must be valid for the following */ /** * HB_DIRECTION_IS_HORIZONTAL: * @dir: #hb_direction_t to test * * Tests whether a text direction is horizontal. Requires * that the direction be valid. * **/ #define HB_DIRECTION_IS_HORIZONTAL(dir) ((((unsigned int) (dir)) & ~1U) == 4) /** * HB_DIRECTION_IS_VERTICAL: * @dir: #hb_direction_t to test * * Tests whether a text direction is vertical. Requires * that the direction be valid. * **/ #define HB_DIRECTION_IS_VERTICAL(dir) ((((unsigned int) (dir)) & ~1U) == 6) /** * HB_DIRECTION_IS_FORWARD: * @dir: #hb_direction_t to test * * Tests whether a text direction moves forward (from left to right, or from * top to bottom). Requires that the direction be valid. * **/ #define HB_DIRECTION_IS_FORWARD(dir) ((((unsigned int) (dir)) & ~2U) == 4) /** * HB_DIRECTION_IS_BACKWARD: * @dir: #hb_direction_t to test * * Tests whether a text direction moves backward (from right to left, or from * bottom to top). Requires that the direction be valid. * **/ #define HB_DIRECTION_IS_BACKWARD(dir) ((((unsigned int) (dir)) & ~2U) == 5) /** * HB_DIRECTION_REVERSE: * @dir: #hb_direction_t to reverse * * Reverses a text direction. Requires that the direction * be valid. * **/ #define HB_DIRECTION_REVERSE(dir) ((hb_direction_t) (((unsigned int) (dir)) ^ 1)) /* hb_language_t */ typedef const struct hb_language_impl_t *hb_language_t; HB_EXTERN hb_language_t hb_language_from_string (const char *str, int len); HB_EXTERN const char * hb_language_to_string (hb_language_t language); #define HB_LANGUAGE_INVALID ((hb_language_t) 0) HB_EXTERN hb_language_t hb_language_get_default (void); /** * hb_script_t: * @HB_SCRIPT_COMMON: HB_TAG ('Z','y','y','y') * @HB_SCRIPT_INHERITED: HB_TAG ('Z','i','n','h') * @HB_SCRIPT_UNKNOWN: HB_TAG ('Z','z','z','z') * @HB_SCRIPT_ARABIC * @HB_SCRIPT_ARMENIAN * @HB_SCRIPT_BENGALI * @HB_SCRIPT_CYRILLIC * @HB_SCRIPT_DEVANAGARI * @HB_SCRIPT_GEORGIAN * @HB_SCRIPT_GREEK * @HB_SCRIPT_GUJARATI * @HB_SCRIPT_GURMUKHI * @HB_SCRIPT_HANGUL * @HB_SCRIPT_HAN * @HB_SCRIPT_HEBREW * @HB_SCRIPT_HIRAGANA * @HB_SCRIPT_KANNADA * @HB_SCRIPT_KATAKANA * @HB_SCRIPT_LAO * @HB_SCRIPT_LATIN * @HB_SCRIPT_MALAYALAM * @HB_SCRIPT_ORIYA * @HB_SCRIPT_TAMIL * @HB_SCRIPT_TELUGU * @HB_SCRIPT_THAI * @HB_SCRIPT_TIBETAN * @HB_SCRIPT_BOPOMOFO * @HB_SCRIPT_BRAILLE * @HB_SCRIPT_CANADIAN_SYLLABICS * @HB_SCRIPT_CHEROKEE * @HB_SCRIPT_ETHIOPIC * @HB_SCRIPT_KHMER * @HB_SCRIPT_MONGOLIAN * @HB_SCRIPT_MYANMAR * @HB_SCRIPT_OGHAM * @HB_SCRIPT_RUNIC * @HB_SCRIPT_SINHALA * @HB_SCRIPT_SYRIAC * @HB_SCRIPT_THAANA * @HB_SCRIPT_YI * @HB_SCRIPT_DESERET * @HB_SCRIPT_GOTHIC * @HB_SCRIPT_OLD_ITALIC * @HB_SCRIPT_BUHID * @HB_SCRIPT_HANUNOO * @HB_SCRIPT_TAGALOG * @HB_SCRIPT_TAGBANWA * @HB_SCRIPT_CYPRIOT * @HB_SCRIPT_LIMBU * @HB_SCRIPT_LINEAR_B * @HB_SCRIPT_OSMANYA * @HB_SCRIPT_SHAVIAN * @HB_SCRIPT_TAI_LE * @HB_SCRIPT_UGARITIC * @HB_SCRIPT_BUGINESE * @HB_SCRIPT_COPTIC * @HB_SCRIPT_GLAGOLITIC * @HB_SCRIPT_KHAROSHTHI * @HB_SCRIPT_NEW_TAI_LUE * @HB_SCRIPT_OLD_PERSIAN * @HB_SCRIPT_SYLOTI_NAGRI * @HB_SCRIPT_TIFINAGH * @HB_SCRIPT_BALINESE * @HB_SCRIPT_CUNEIFORM * @HB_SCRIPT_NKO * @HB_SCRIPT_PHAGS_PA * @HB_SCRIPT_PHOENICIAN * @HB_SCRIPT_CARIAN * @HB_SCRIPT_CHAM * @HB_SCRIPT_KAYAH_LI * @HB_SCRIPT_LEPCHA * @HB_SCRIPT_LYCIAN * @HB_SCRIPT_LYDIAN * @HB_SCRIPT_OL_CHIKI * @HB_SCRIPT_REJANG * @HB_SCRIPT_SAURASHTRA * @HB_SCRIPT_SUNDANESE * @HB_SCRIPT_VAI * @HB_SCRIPT_AVESTAN * @HB_SCRIPT_BAMUM * @HB_SCRIPT_EGYPTIAN_HIEROGLYPHS * @HB_SCRIPT_IMPERIAL_ARAMAIC * @HB_SCRIPT_INSCRIPTIONAL_PAHLAVI * @HB_SCRIPT_INSCRIPTIONAL_PARTHIAN * @HB_SCRIPT_JAVANESE * @HB_SCRIPT_KAITHI * @HB_SCRIPT_LISU * @HB_SCRIPT_MEETEI_MAYEK * @HB_SCRIPT_OLD_SOUTH_ARABIAN * @HB_SCRIPT_OLD_TURKIC * @HB_SCRIPT_SAMARITAN * @HB_SCRIPT_TAI_THAM * @HB_SCRIPT_TAI_VIET * @HB_SCRIPT_BATAK * @HB_SCRIPT_BRAHMI * @HB_SCRIPT_MANDAIC * @HB_SCRIPT_CHAKMA * @HB_SCRIPT_MEROITIC_CURSIVE * @HB_SCRIPT_MEROITIC_HIEROGLYPHS * @HB_SCRIPT_MIAO * @HB_SCRIPT_SHARADA * @HB_SCRIPT_SORA_SOMPENG * @HB_SCRIPT_TAKRI * @HB_SCRIPT_BASSA_VAH * @HB_SCRIPT_CAUCASIAN_ALBANIAN * @HB_SCRIPT_DUPLOYAN * @HB_SCRIPT_ELBASAN * @HB_SCRIPT_GRANTHA * @HB_SCRIPT_KHOJKI * @HB_SCRIPT_KHUDAWADI * @HB_SCRIPT_LINEAR_A * @HB_SCRIPT_MAHAJANI * @HB_SCRIPT_MANICHAEAN * @HB_SCRIPT_MENDE_KIKAKUI * @HB_SCRIPT_MODI * @HB_SCRIPT_MRO * @HB_SCRIPT_NABATAEAN * @HB_SCRIPT_OLD_NORTH_ARABIAN * @HB_SCRIPT_OLD_PERMIC * @HB_SCRIPT_PAHAWH_HMONG * @HB_SCRIPT_PALMYRENE * @HB_SCRIPT_PAU_CIN_HAU * @HB_SCRIPT_PSALTER_PAHLAVI * @HB_SCRIPT_SIDDHAM * @HB_SCRIPT_TIRHUTA * @HB_SCRIPT_WARANG_CITI * @HB_SCRIPT_AHOM * @HB_SCRIPT_ANATOLIAN_HIEROGLYPHS * @HB_SCRIPT_HATRAN * @HB_SCRIPT_MULTANI * @HB_SCRIPT_OLD_HUNGARIAN * @HB_SCRIPT_SIGNWRITING * @HB_SCRIPT_ADLAM * @HB_SCRIPT_BHAIKSUKI * @HB_SCRIPT_MARCHEN * @HB_SCRIPT_OSAGE * @HB_SCRIPT_TANGUT * @HB_SCRIPT_NEWA * @HB_SCRIPT_MASARAM_GONDI * @HB_SCRIPT_NUSHU * @HB_SCRIPT_SOYOMBO * @HB_SCRIPT_ZANABAZAR_SQUARE * @HB_SCRIPT_DOGRA * @HB_SCRIPT_GUNJALA_GONDI * @HB_SCRIPT_HANIFI_ROHINGYA * @HB_SCRIPT_MAKASAR * @HB_SCRIPT_MEDEFAIDRIN * @HB_SCRIPT_OLD_SOGDIAN * @HB_SCRIPT_SOGDIAN * @HB_SCRIPT_ELYMAIC * @HB_SCRIPT_NANDINAGARI * @HB_SCRIPT_NYIAKENG_PUACHUE_HMONG * @HB_SCRIPT_WANCHO * @HB_SCRIPT_INVALID: #HB_TAG_NONE * * Data type for scripts. Each #hb_script_t's value is an #hb_tag_t corresponding * to the four-letter values defined by [ISO 15924](https://unicode.org/iso15924/). * * See also the Script (sc) property of the Unicode Character Database. * **/ /* https://unicode.org/iso15924/ */ /* https://docs.google.com/spreadsheets/d/1Y90M0Ie3MUJ6UVCRDOypOtijlMDLNNyyLk36T6iMu0o */ /* Unicode Character Database property: Script (sc) */ typedef enum { /*1.1*/ HB_SCRIPT_COMMON = HB_TAG ('Z','y','y','y'), /*1.1*/ HB_SCRIPT_INHERITED = HB_TAG ('Z','i','n','h'), /*5.0*/ HB_SCRIPT_UNKNOWN = HB_TAG ('Z','z','z','z'), /*1.1*/ HB_SCRIPT_ARABIC = HB_TAG ('A','r','a','b'), /*1.1*/ HB_SCRIPT_ARMENIAN = HB_TAG ('A','r','m','n'), /*1.1*/ HB_SCRIPT_BENGALI = HB_TAG ('B','e','n','g'), /*1.1*/ HB_SCRIPT_CYRILLIC = HB_TAG ('C','y','r','l'), /*1.1*/ HB_SCRIPT_DEVANAGARI = HB_TAG ('D','e','v','a'), /*1.1*/ HB_SCRIPT_GEORGIAN = HB_TAG ('G','e','o','r'), /*1.1*/ HB_SCRIPT_GREEK = HB_TAG ('G','r','e','k'), /*1.1*/ HB_SCRIPT_GUJARATI = HB_TAG ('G','u','j','r'), /*1.1*/ HB_SCRIPT_GURMUKHI = HB_TAG ('G','u','r','u'), /*1.1*/ HB_SCRIPT_HANGUL = HB_TAG ('H','a','n','g'), /*1.1*/ HB_SCRIPT_HAN = HB_TAG ('H','a','n','i'), /*1.1*/ HB_SCRIPT_HEBREW = HB_TAG ('H','e','b','r'), /*1.1*/ HB_SCRIPT_HIRAGANA = HB_TAG ('H','i','r','a'), /*1.1*/ HB_SCRIPT_KANNADA = HB_TAG ('K','n','d','a'), /*1.1*/ HB_SCRIPT_KATAKANA = HB_TAG ('K','a','n','a'), /*1.1*/ HB_SCRIPT_LAO = HB_TAG ('L','a','o','o'), /*1.1*/ HB_SCRIPT_LATIN = HB_TAG ('L','a','t','n'), /*1.1*/ HB_SCRIPT_MALAYALAM = HB_TAG ('M','l','y','m'), /*1.1*/ HB_SCRIPT_ORIYA = HB_TAG ('O','r','y','a'), /*1.1*/ HB_SCRIPT_TAMIL = HB_TAG ('T','a','m','l'), /*1.1*/ HB_SCRIPT_TELUGU = HB_TAG ('T','e','l','u'), /*1.1*/ HB_SCRIPT_THAI = HB_TAG ('T','h','a','i'), /*2.0*/ HB_SCRIPT_TIBETAN = HB_TAG ('T','i','b','t'), /*3.0*/ HB_SCRIPT_BOPOMOFO = HB_TAG ('B','o','p','o'), /*3.0*/ HB_SCRIPT_BRAILLE = HB_TAG ('B','r','a','i'), /*3.0*/ HB_SCRIPT_CANADIAN_SYLLABICS = HB_TAG ('C','a','n','s'), /*3.0*/ HB_SCRIPT_CHEROKEE = HB_TAG ('C','h','e','r'), /*3.0*/ HB_SCRIPT_ETHIOPIC = HB_TAG ('E','t','h','i'), /*3.0*/ HB_SCRIPT_KHMER = HB_TAG ('K','h','m','r'), /*3.0*/ HB_SCRIPT_MONGOLIAN = HB_TAG ('M','o','n','g'), /*3.0*/ HB_SCRIPT_MYANMAR = HB_TAG ('M','y','m','r'), /*3.0*/ HB_SCRIPT_OGHAM = HB_TAG ('O','g','a','m'), /*3.0*/ HB_SCRIPT_RUNIC = HB_TAG ('R','u','n','r'), /*3.0*/ HB_SCRIPT_SINHALA = HB_TAG ('S','i','n','h'), /*3.0*/ HB_SCRIPT_SYRIAC = HB_TAG ('S','y','r','c'), /*3.0*/ HB_SCRIPT_THAANA = HB_TAG ('T','h','a','a'), /*3.0*/ HB_SCRIPT_YI = HB_TAG ('Y','i','i','i'), /*3.1*/ HB_SCRIPT_DESERET = HB_TAG ('D','s','r','t'), /*3.1*/ HB_SCRIPT_GOTHIC = HB_TAG ('G','o','t','h'), /*3.1*/ HB_SCRIPT_OLD_ITALIC = HB_TAG ('I','t','a','l'), /*3.2*/ HB_SCRIPT_BUHID = HB_TAG ('B','u','h','d'), /*3.2*/ HB_SCRIPT_HANUNOO = HB_TAG ('H','a','n','o'), /*3.2*/ HB_SCRIPT_TAGALOG = HB_TAG ('T','g','l','g'), /*3.2*/ HB_SCRIPT_TAGBANWA = HB_TAG ('T','a','g','b'), /*4.0*/ HB_SCRIPT_CYPRIOT = HB_TAG ('C','p','r','t'), /*4.0*/ HB_SCRIPT_LIMBU = HB_TAG ('L','i','m','b'), /*4.0*/ HB_SCRIPT_LINEAR_B = HB_TAG ('L','i','n','b'), /*4.0*/ HB_SCRIPT_OSMANYA = HB_TAG ('O','s','m','a'), /*4.0*/ HB_SCRIPT_SHAVIAN = HB_TAG ('S','h','a','w'), /*4.0*/ HB_SCRIPT_TAI_LE = HB_TAG ('T','a','l','e'), /*4.0*/ HB_SCRIPT_UGARITIC = HB_TAG ('U','g','a','r'), /*4.1*/ HB_SCRIPT_BUGINESE = HB_TAG ('B','u','g','i'), /*4.1*/ HB_SCRIPT_COPTIC = HB_TAG ('C','o','p','t'), /*4.1*/ HB_SCRIPT_GLAGOLITIC = HB_TAG ('G','l','a','g'), /*4.1*/ HB_SCRIPT_KHAROSHTHI = HB_TAG ('K','h','a','r'), /*4.1*/ HB_SCRIPT_NEW_TAI_LUE = HB_TAG ('T','a','l','u'), /*4.1*/ HB_SCRIPT_OLD_PERSIAN = HB_TAG ('X','p','e','o'), /*4.1*/ HB_SCRIPT_SYLOTI_NAGRI = HB_TAG ('S','y','l','o'), /*4.1*/ HB_SCRIPT_TIFINAGH = HB_TAG ('T','f','n','g'), /*5.0*/ HB_SCRIPT_BALINESE = HB_TAG ('B','a','l','i'), /*5.0*/ HB_SCRIPT_CUNEIFORM = HB_TAG ('X','s','u','x'), /*5.0*/ HB_SCRIPT_NKO = HB_TAG ('N','k','o','o'), /*5.0*/ HB_SCRIPT_PHAGS_PA = HB_TAG ('P','h','a','g'), /*5.0*/ HB_SCRIPT_PHOENICIAN = HB_TAG ('P','h','n','x'), /*5.1*/ HB_SCRIPT_CARIAN = HB_TAG ('C','a','r','i'), /*5.1*/ HB_SCRIPT_CHAM = HB_TAG ('C','h','a','m'), /*5.1*/ HB_SCRIPT_KAYAH_LI = HB_TAG ('K','a','l','i'), /*5.1*/ HB_SCRIPT_LEPCHA = HB_TAG ('L','e','p','c'), /*5.1*/ HB_SCRIPT_LYCIAN = HB_TAG ('L','y','c','i'), /*5.1*/ HB_SCRIPT_LYDIAN = HB_TAG ('L','y','d','i'), /*5.1*/ HB_SCRIPT_OL_CHIKI = HB_TAG ('O','l','c','k'), /*5.1*/ HB_SCRIPT_REJANG = HB_TAG ('R','j','n','g'), /*5.1*/ HB_SCRIPT_SAURASHTRA = HB_TAG ('S','a','u','r'), /*5.1*/ HB_SCRIPT_SUNDANESE = HB_TAG ('S','u','n','d'), /*5.1*/ HB_SCRIPT_VAI = HB_TAG ('V','a','i','i'), /*5.2*/ HB_SCRIPT_AVESTAN = HB_TAG ('A','v','s','t'), /*5.2*/ HB_SCRIPT_BAMUM = HB_TAG ('B','a','m','u'), /*5.2*/ HB_SCRIPT_EGYPTIAN_HIEROGLYPHS = HB_TAG ('E','g','y','p'), /*5.2*/ HB_SCRIPT_IMPERIAL_ARAMAIC = HB_TAG ('A','r','m','i'), /*5.2*/ HB_SCRIPT_INSCRIPTIONAL_PAHLAVI = HB_TAG ('P','h','l','i'), /*5.2*/ HB_SCRIPT_INSCRIPTIONAL_PARTHIAN = HB_TAG ('P','r','t','i'), /*5.2*/ HB_SCRIPT_JAVANESE = HB_TAG ('J','a','v','a'), /*5.2*/ HB_SCRIPT_KAITHI = HB_TAG ('K','t','h','i'), /*5.2*/ HB_SCRIPT_LISU = HB_TAG ('L','i','s','u'), /*5.2*/ HB_SCRIPT_MEETEI_MAYEK = HB_TAG ('M','t','e','i'), /*5.2*/ HB_SCRIPT_OLD_SOUTH_ARABIAN = HB_TAG ('S','a','r','b'), /*5.2*/ HB_SCRIPT_OLD_TURKIC = HB_TAG ('O','r','k','h'), /*5.2*/ HB_SCRIPT_SAMARITAN = HB_TAG ('S','a','m','r'), /*5.2*/ HB_SCRIPT_TAI_THAM = HB_TAG ('L','a','n','a'), /*5.2*/ HB_SCRIPT_TAI_VIET = HB_TAG ('T','a','v','t'), /*6.0*/ HB_SCRIPT_BATAK = HB_TAG ('B','a','t','k'), /*6.0*/ HB_SCRIPT_BRAHMI = HB_TAG ('B','r','a','h'), /*6.0*/ HB_SCRIPT_MANDAIC = HB_TAG ('M','a','n','d'), /*6.1*/ HB_SCRIPT_CHAKMA = HB_TAG ('C','a','k','m'), /*6.1*/ HB_SCRIPT_MEROITIC_CURSIVE = HB_TAG ('M','e','r','c'), /*6.1*/ HB_SCRIPT_MEROITIC_HIEROGLYPHS = HB_TAG ('M','e','r','o'), /*6.1*/ HB_SCRIPT_MIAO = HB_TAG ('P','l','r','d'), /*6.1*/ HB_SCRIPT_SHARADA = HB_TAG ('S','h','r','d'), /*6.1*/ HB_SCRIPT_SORA_SOMPENG = HB_TAG ('S','o','r','a'), /*6.1*/ HB_SCRIPT_TAKRI = HB_TAG ('T','a','k','r'), /* * Since: 0.9.30 */ /*7.0*/ HB_SCRIPT_BASSA_VAH = HB_TAG ('B','a','s','s'), /*7.0*/ HB_SCRIPT_CAUCASIAN_ALBANIAN = HB_TAG ('A','g','h','b'), /*7.0*/ HB_SCRIPT_DUPLOYAN = HB_TAG ('D','u','p','l'), /*7.0*/ HB_SCRIPT_ELBASAN = HB_TAG ('E','l','b','a'), /*7.0*/ HB_SCRIPT_GRANTHA = HB_TAG ('G','r','a','n'), /*7.0*/ HB_SCRIPT_KHOJKI = HB_TAG ('K','h','o','j'), /*7.0*/ HB_SCRIPT_KHUDAWADI = HB_TAG ('S','i','n','d'), /*7.0*/ HB_SCRIPT_LINEAR_A = HB_TAG ('L','i','n','a'), /*7.0*/ HB_SCRIPT_MAHAJANI = HB_TAG ('M','a','h','j'), /*7.0*/ HB_SCRIPT_MANICHAEAN = HB_TAG ('M','a','n','i'), /*7.0*/ HB_SCRIPT_MENDE_KIKAKUI = HB_TAG ('M','e','n','d'), /*7.0*/ HB_SCRIPT_MODI = HB_TAG ('M','o','d','i'), /*7.0*/ HB_SCRIPT_MRO = HB_TAG ('M','r','o','o'), /*7.0*/ HB_SCRIPT_NABATAEAN = HB_TAG ('N','b','a','t'), /*7.0*/ HB_SCRIPT_OLD_NORTH_ARABIAN = HB_TAG ('N','a','r','b'), /*7.0*/ HB_SCRIPT_OLD_PERMIC = HB_TAG ('P','e','r','m'), /*7.0*/ HB_SCRIPT_PAHAWH_HMONG = HB_TAG ('H','m','n','g'), /*7.0*/ HB_SCRIPT_PALMYRENE = HB_TAG ('P','a','l','m'), /*7.0*/ HB_SCRIPT_PAU_CIN_HAU = HB_TAG ('P','a','u','c'), /*7.0*/ HB_SCRIPT_PSALTER_PAHLAVI = HB_TAG ('P','h','l','p'), /*7.0*/ HB_SCRIPT_SIDDHAM = HB_TAG ('S','i','d','d'), /*7.0*/ HB_SCRIPT_TIRHUTA = HB_TAG ('T','i','r','h'), /*7.0*/ HB_SCRIPT_WARANG_CITI = HB_TAG ('W','a','r','a'), /*8.0*/ HB_SCRIPT_AHOM = HB_TAG ('A','h','o','m'), /*8.0*/ HB_SCRIPT_ANATOLIAN_HIEROGLYPHS = HB_TAG ('H','l','u','w'), /*8.0*/ HB_SCRIPT_HATRAN = HB_TAG ('H','a','t','r'), /*8.0*/ HB_SCRIPT_MULTANI = HB_TAG ('M','u','l','t'), /*8.0*/ HB_SCRIPT_OLD_HUNGARIAN = HB_TAG ('H','u','n','g'), /*8.0*/ HB_SCRIPT_SIGNWRITING = HB_TAG ('S','g','n','w'), /* * Since 1.3.0 */ /*9.0*/ HB_SCRIPT_ADLAM = HB_TAG ('A','d','l','m'), /*9.0*/ HB_SCRIPT_BHAIKSUKI = HB_TAG ('B','h','k','s'), /*9.0*/ HB_SCRIPT_MARCHEN = HB_TAG ('M','a','r','c'), /*9.0*/ HB_SCRIPT_OSAGE = HB_TAG ('O','s','g','e'), /*9.0*/ HB_SCRIPT_TANGUT = HB_TAG ('T','a','n','g'), /*9.0*/ HB_SCRIPT_NEWA = HB_TAG ('N','e','w','a'), /* * Since 1.6.0 */ /*10.0*/HB_SCRIPT_MASARAM_GONDI = HB_TAG ('G','o','n','m'), /*10.0*/HB_SCRIPT_NUSHU = HB_TAG ('N','s','h','u'), /*10.0*/HB_SCRIPT_SOYOMBO = HB_TAG ('S','o','y','o'), /*10.0*/HB_SCRIPT_ZANABAZAR_SQUARE = HB_TAG ('Z','a','n','b'), /* * Since 1.8.0 */ /*11.0*/HB_SCRIPT_DOGRA = HB_TAG ('D','o','g','r'), /*11.0*/HB_SCRIPT_GUNJALA_GONDI = HB_TAG ('G','o','n','g'), /*11.0*/HB_SCRIPT_HANIFI_ROHINGYA = HB_TAG ('R','o','h','g'), /*11.0*/HB_SCRIPT_MAKASAR = HB_TAG ('M','a','k','a'), /*11.0*/HB_SCRIPT_MEDEFAIDRIN = HB_TAG ('M','e','d','f'), /*11.0*/HB_SCRIPT_OLD_SOGDIAN = HB_TAG ('S','o','g','o'), /*11.0*/HB_SCRIPT_SOGDIAN = HB_TAG ('S','o','g','d'), /* * Since 2.4.0 */ /*12.0*/HB_SCRIPT_ELYMAIC = HB_TAG ('E','l','y','m'), /*12.0*/HB_SCRIPT_NANDINAGARI = HB_TAG ('N','a','n','d'), /*12.0*/HB_SCRIPT_NYIAKENG_PUACHUE_HMONG = HB_TAG ('H','m','n','p'), /*12.0*/HB_SCRIPT_WANCHO = HB_TAG ('W','c','h','o'), /* * Since 2.6.7 */ /*13.0*/HB_SCRIPT_CHORASMIAN = HB_TAG ('C','h','r','s'), /*13.0*/HB_SCRIPT_DIVES_AKURU = HB_TAG ('D','i','a','k'), /*13.0*/HB_SCRIPT_KHITAN_SMALL_SCRIPT = HB_TAG ('K','i','t','s'), /*13.0*/HB_SCRIPT_YEZIDI = HB_TAG ('Y','e','z','i'), /* No script set. */ HB_SCRIPT_INVALID = HB_TAG_NONE, /* Dummy values to ensure any hb_tag_t value can be passed/stored as hb_script_t * without risking undefined behavior. We have two, for historical reasons. * HB_TAG_MAX used to be unsigned, but that was invalid Ansi C, so was changed * to _HB_SCRIPT_MAX_VALUE to be equal to HB_TAG_MAX_SIGNED as well. * * See this thread for technicalities: * * https://lists.freedesktop.org/archives/harfbuzz/2014-March/004150.html */ _HB_SCRIPT_MAX_VALUE = HB_TAG_MAX_SIGNED, /*< skip >*/ _HB_SCRIPT_MAX_VALUE_SIGNED = HB_TAG_MAX_SIGNED /*< skip >*/ } hb_script_t; /* Script functions */ HB_EXTERN hb_script_t hb_script_from_iso15924_tag (hb_tag_t tag); HB_EXTERN hb_script_t hb_script_from_string (const char *str, int len); HB_EXTERN hb_tag_t hb_script_to_iso15924_tag (hb_script_t script); HB_EXTERN hb_direction_t hb_script_get_horizontal_direction (hb_script_t script); /* User data */ /** * hb_user_data_key_t: * * Data structure for holding user-data keys. * **/ typedef struct hb_user_data_key_t { /*< private >*/ char unused; } hb_user_data_key_t; typedef void (*hb_destroy_func_t) (void *user_data); /* Font features and variations. */ /** * HB_FEATURE_GLOBAL_START * * Since: 2.0.0 */ #define HB_FEATURE_GLOBAL_START 0 /** * HB_FEATURE_GLOBAL_END * * Since: 2.0.0 */ #define HB_FEATURE_GLOBAL_END ((unsigned int) -1) /** * hb_feature_t: * @tag: The #hb_tag_t tag of the feature * @value: The value of the feature. 0 disables the feature, non-zero (usually * 1) enables the feature. For features implemented as lookup type 3 (like * 'salt') the @value is a one based index into the alternates. * @start: the cluster to start applying this feature setting (inclusive). * @end: the cluster to end applying this feature setting (exclusive). * * The #hb_feature_t is the structure that holds information about requested * feature application. The feature will be applied with the given value to all * glyphs which are in clusters between @start (inclusive) and @end (exclusive). * Setting start to @HB_FEATURE_GLOBAL_START and end to @HB_FEATURE_GLOBAL_END * specifies that the feature always applies to the entire buffer. */ typedef struct hb_feature_t { hb_tag_t tag; uint32_t value; unsigned int start; unsigned int end; } hb_feature_t; HB_EXTERN hb_bool_t hb_feature_from_string (const char *str, int len, hb_feature_t *feature); HB_EXTERN void hb_feature_to_string (hb_feature_t *feature, char *buf, unsigned int size); /** * hb_variation_t: * @tag: The #hb_tag_t tag of the variation-axis name * @value: The value of the variation axis * * Data type for holding variation data. Registered OpenType * variation-axis tags are listed at * https://docs.microsoft.com/en-us/typography/opentype/spec/dvaraxisreg * * Since: 1.4.2 */ typedef struct hb_variation_t { hb_tag_t tag; float value; } hb_variation_t; HB_EXTERN hb_bool_t hb_variation_from_string (const char *str, int len, hb_variation_t *variation); HB_EXTERN void hb_variation_to_string (hb_variation_t *variation, char *buf, unsigned int size); /** * hb_color_t: * * Data type for holding color values. Colors are eight bits per * channel RGB plus alpha transparency. * * Since: 2.1.0 */ typedef uint32_t hb_color_t; #define HB_COLOR(b,g,r,a) ((hb_color_t) HB_TAG ((b),(g),(r),(a))) HB_EXTERN uint8_t hb_color_get_alpha (hb_color_t color); #define hb_color_get_alpha(color) ((color) & 0xFF) HB_EXTERN uint8_t hb_color_get_red (hb_color_t color); #define hb_color_get_red(color) (((color) >> 8) & 0xFF) HB_EXTERN uint8_t hb_color_get_green (hb_color_t color); #define hb_color_get_green(color) (((color) >> 16) & 0xFF) HB_EXTERN uint8_t hb_color_get_blue (hb_color_t color); #define hb_color_get_blue(color) (((color) >> 24) & 0xFF) HB_END_DECLS #endif /* HB_COMMON_H */