X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fhb-common.h;h=562b04cec60cf512a45e31c678e0742bc812cdc1;hb=HEAD;hp=1275b8cb3ef67f06b356086610863c8b8c19f8f3;hpb=cc4c096a7e08ae96b3030fe27f871ce5b797f370;p=framework%2Fuifw%2Fharfbuzz.git diff --git a/src/hb-common.h b/src/hb-common.h index 1275b8c..562b04c 100644 --- a/src/hb-common.h +++ b/src/hb-common.h @@ -1,7 +1,8 @@ /* - * Copyright (C) 2007,2008,2009 Red Hat, Inc. + * Copyright © 2007,2008,2009 Red Hat, Inc. + * Copyright © 2011,2012 Google, Inc. * - * This is part of HarfBuzz, an OpenType Layout engine library. + * 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 @@ -22,26 +23,16 @@ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. * * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod */ +#ifndef HB_H_IN +#error "Include instead." +#endif + #ifndef HB_COMMON_H #define HB_COMMON_H -#ifdef _MSC_VER -#warning "Not using stdint.h. Integer types may have wrong size." -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; -#ifndef __cplusplus -#define inline __inline -#endif -#else -#include -#endif - # ifdef __cplusplus # define HB_BEGIN_DECLS extern "C" { # define HB_END_DECLS } @@ -50,21 +41,306 @@ typedef unsigned int uint32_t; # define HB_END_DECLS # endif /* !__cplusplus */ -typedef int hb_bool_t; +HB_BEGIN_DECLS -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_STR(s) (HB_TAG(((const char *) s)[0], \ - ((const char *) s)[1], \ - ((const char *) s)[2], \ - ((const char *) s)[3])) -#define HB_TAG_NONE HB_TAG(0,0,0,0) +#if !defined (HB_DONT_DEFINE_STDINT) + +#if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || \ + defined (_sgi) || defined (__sun) || defined (sun) || \ + defined (__digital__) || defined (__HP_cc) +# include +#elif defined (_AIX) +# include +/* VS 2010 (_MSC_VER 1600) has stdint.h */ +#elif defined (_MSC_VER) && _MSC_VER < 1600 +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; +#else +# include +#endif + +#endif + + +typedef int hb_bool_t; typedef uint32_t hb_codepoint_t; typedef int32_t hb_position_t; -typedef int32_t hb_16dot16_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; + + +/* 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_UNTAG(tag) ((uint8_t)((tag)>>24)), ((uint8_t)((tag)>>16)), ((uint8_t)((tag)>>8)), ((uint8_t)(tag)) + +#define HB_TAG_NONE HB_TAG(0,0,0,0) + +/* len=-1 means str is NUL-terminated */ +hb_tag_t hb_tag_from_string (const char *str, int len); + + +/* hb_direction_t */ + +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_direction_t +hb_direction_from_string (const char *str, int len); + +const char * +hb_direction_to_string (hb_direction_t direction); + +#define HB_DIRECTION_IS_HORIZONTAL(dir) ((((unsigned int) (dir)) & ~1U) == 4) +#define HB_DIRECTION_IS_VERTICAL(dir) ((((unsigned int) (dir)) & ~1U) == 6) +#define HB_DIRECTION_IS_FORWARD(dir) ((((unsigned int) (dir)) & ~2U) == 4) +#define HB_DIRECTION_IS_BACKWARD(dir) ((((unsigned int) (dir)) & ~2U) == 5) +#define HB_DIRECTION_IS_VALID(dir) ((((unsigned int) (dir)) & ~3U) == 4) +#define HB_DIRECTION_REVERSE(dir) ((hb_direction_t) (((unsigned int) (dir)) ^ 1)) /* Direction must be valid */ + + +/* hb_language_t */ + +typedef struct _hb_language_t *hb_language_t; + +/* len=-1 means str is NUL-terminated */ +hb_language_t +hb_language_from_string (const char *str, int len); + +const char * +hb_language_to_string (hb_language_t language); + +#define HB_LANGUAGE_INVALID ((hb_language_t) NULL) + +hb_language_t +hb_language_get_default (void); + + +/* 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_SPACING_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 */ + +/* http://unicode.org/iso15924/ */ +/* http://goo.gl/x9ilM */ +typedef enum +{ + /* Unicode-1.1 additions */ + HB_SCRIPT_COMMON = HB_TAG ('Z','y','y','y'), + 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_CANADIAN_ABORIGINAL = HB_TAG ('C','a','n','s'), + HB_SCRIPT_CHEROKEE = HB_TAG ('C','h','e','r'), + HB_SCRIPT_COPTIC = HB_TAG ('C','o','p','t'), + HB_SCRIPT_CYRILLIC = HB_TAG ('C','y','r','l'), + HB_SCRIPT_DEVANAGARI = HB_TAG ('D','e','v','a'), + HB_SCRIPT_GEORGIAN = HB_TAG ('G','e','o','r'), + 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_HANGUL = HB_TAG ('H','a','n','g'), + HB_SCRIPT_HAN = HB_TAG ('H','a','n','i'), + HB_SCRIPT_HEBREW = HB_TAG ('H','e','b','r'), + HB_SCRIPT_HIRAGANA = HB_TAG ('H','i','r','a'), + HB_SCRIPT_INHERITED = HB_TAG ('Z','i','n','h'), + HB_SCRIPT_KANNADA = HB_TAG ('K','n','d','a'), + HB_SCRIPT_KATAKANA = HB_TAG ('K','a','n','a'), + 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_OGHAM = HB_TAG ('O','g','a','m'), + HB_SCRIPT_ORIYA = HB_TAG ('O','r','y','a'), + HB_SCRIPT_RUNIC = HB_TAG ('R','u','n','r'), + 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_THAI = HB_TAG ('T','h','a','i'), + HB_SCRIPT_YI = HB_TAG ('Y','i','i','i'), + + /* Unicode-2.0 additions */ + HB_SCRIPT_TIBETAN = HB_TAG ('T','i','b','t'), + + /* Unicode-3.0 additions */ + HB_SCRIPT_ETHIOPIC = HB_TAG ('E','t','h','i'), + HB_SCRIPT_KHMER = HB_TAG ('K','h','m','r'), + HB_SCRIPT_MYANMAR = HB_TAG ('M','y','m','r'), + HB_SCRIPT_SINHALA = HB_TAG ('S','i','n','h'), + HB_SCRIPT_THAANA = HB_TAG ('T','h','a','a'), + + /* Unicode-3.1 additions */ + HB_SCRIPT_DESERET = HB_TAG ('D','s','r','t'), + HB_SCRIPT_GOTHIC = HB_TAG ('G','o','t','h'), + HB_SCRIPT_OLD_ITALIC = HB_TAG ('I','t','a','l'), + + /* Unicode-3.2 additions */ + HB_SCRIPT_BUHID = HB_TAG ('B','u','h','d'), + HB_SCRIPT_HANUNOO = HB_TAG ('H','a','n','o'), + HB_SCRIPT_TAGALOG = HB_TAG ('T','g','l','g'), + 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_LINEAR_B = HB_TAG ('L','i','n','b'), + HB_SCRIPT_OSMANYA = HB_TAG ('O','s','m','a'), + HB_SCRIPT_SHAVIAN = HB_TAG ('S','h','a','w'), + 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_BUGINESE = HB_TAG ('B','u','g','i'), + HB_SCRIPT_GLAGOLITIC = HB_TAG ('G','l','a','g'), + HB_SCRIPT_KHAROSHTHI = HB_TAG ('K','h','a','r'), + HB_SCRIPT_NEW_TAI_LUE = HB_TAG ('T','a','l','u'), + HB_SCRIPT_OLD_PERSIAN = HB_TAG ('X','p','e','o'), + HB_SCRIPT_SYLOTI_NAGRI = HB_TAG ('S','y','l','o'), + HB_SCRIPT_TIFINAGH = HB_TAG ('T','f','n','g'), + + /* Unicode-5.0 additions */ + HB_SCRIPT_BALINESE = HB_TAG ('B','a','l','i'), + HB_SCRIPT_CUNEIFORM = HB_TAG ('X','s','u','x'), + HB_SCRIPT_NKO = HB_TAG ('N','k','o','o'), + HB_SCRIPT_PHAGS_PA = HB_TAG ('P','h','a','g'), + HB_SCRIPT_PHOENICIAN = HB_TAG ('P','h','n','x'), + HB_SCRIPT_UNKNOWN = HB_TAG ('Z','z','z','z'), + + /* Unicode-5.1 additions */ + HB_SCRIPT_CARIAN = HB_TAG ('C','a','r','i'), + HB_SCRIPT_CHAM = HB_TAG ('C','h','a','m'), + HB_SCRIPT_KAYAH_LI = HB_TAG ('K','a','l','i'), + HB_SCRIPT_LEPCHA = HB_TAG ('L','e','p','c'), + HB_SCRIPT_LYCIAN = HB_TAG ('L','y','c','i'), + HB_SCRIPT_LYDIAN = HB_TAG ('L','y','d','i'), + HB_SCRIPT_OL_CHIKI = HB_TAG ('O','l','c','k'), + HB_SCRIPT_REJANG = HB_TAG ('R','j','n','g'), + HB_SCRIPT_SAURASHTRA = HB_TAG ('S','a','u','r'), + HB_SCRIPT_SUNDANESE = HB_TAG ('S','u','n','d'), + HB_SCRIPT_VAI = HB_TAG ('V','a','i','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'), + + /* Unicode-6.1 additions */ + HB_SCRIPT_CHAKMA = HB_TAG ('C','a','k','m'), + HB_SCRIPT_MEROITIC_CURSIVE = HB_TAG ('M','e','r','c'), + HB_SCRIPT_MEROITIC_HIEROGLYPHS = HB_TAG ('M','e','r','o'), + HB_SCRIPT_MIAO = HB_TAG ('P','l','r','d'), + HB_SCRIPT_SHARADA = HB_TAG ('S','h','r','d'), + HB_SCRIPT_SORA_SOMPENG = HB_TAG ('S','o','r','a'), + HB_SCRIPT_TAKRI = HB_TAG ('T','a','k','r'), + + /* 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 */ +/* len=-1 means s is NUL-terminated */ +hb_script_t +hb_script_from_string (const char *s, int len); + +hb_tag_t +hb_script_to_iso15924_tag (hb_script_t script); + +hb_direction_t +hb_script_get_horizontal_direction (hb_script_t script); + + +/* User data */ + +typedef struct _hb_user_data_key_t { + /*< private >*/ + char unused; +} hb_user_data_key_t; + typedef void (*hb_destroy_func_t) (void *user_data); + +HB_END_DECLS + #endif /* HB_COMMON_H */