[API] Use ISO 15924 tags for hb_script_t

This simplifies the code, reduces static data, and makes the design
more extensible to future additions of new scripts.
This commit is contained in:
Behdad Esfahbod 2011-04-18 23:40:21 -04:00
parent c0af193c8e
commit 62879eebd9
8 changed files with 253 additions and 606 deletions

View File

@ -143,253 +143,22 @@ hb_language_to_string (hb_language_t language)
/* hb_script_t */ /* hb_script_t */
static const hb_tag_t script_to_iso15924_tag[] =
{
HB_TAG('Z','y','y','y'), /* HB_SCRIPT_COMMON */
HB_TAG('Q','a','a','i'), /* HB_SCRIPT_INHERITED */
HB_TAG('A','r','a','b'), /* HB_SCRIPT_ARABIC */
HB_TAG('A','r','m','n'), /* HB_SCRIPT_ARMENIAN */
HB_TAG('B','e','n','g'), /* HB_SCRIPT_BENGALI */
HB_TAG('B','o','p','o'), /* HB_SCRIPT_BOPOMOFO */
HB_TAG('C','h','e','r'), /* HB_SCRIPT_CHEROKEE */
HB_TAG('Q','a','a','c'), /* HB_SCRIPT_COPTIC */
HB_TAG('C','y','r','l'), /* HB_SCRIPT_CYRILLIC */
HB_TAG('D','s','r','t'), /* HB_SCRIPT_DESERET */
HB_TAG('D','e','v','a'), /* HB_SCRIPT_DEVANAGARI */
HB_TAG('E','t','h','i'), /* HB_SCRIPT_ETHIOPIC */
HB_TAG('G','e','o','r'), /* HB_SCRIPT_GEORGIAN */
HB_TAG('G','o','t','h'), /* HB_SCRIPT_GOTHIC */
HB_TAG('G','r','e','k'), /* HB_SCRIPT_GREEK */
HB_TAG('G','u','j','r'), /* HB_SCRIPT_GUJARATI */
HB_TAG('G','u','r','u'), /* HB_SCRIPT_GURMUKHI */
HB_TAG('H','a','n','i'), /* HB_SCRIPT_HAN */
HB_TAG('H','a','n','g'), /* HB_SCRIPT_HANGUL */
HB_TAG('H','e','b','r'), /* HB_SCRIPT_HEBREW */
HB_TAG('H','i','r','a'), /* HB_SCRIPT_HIRAGANA */
HB_TAG('K','n','d','a'), /* HB_SCRIPT_KANNADA */
HB_TAG('K','a','n','a'), /* HB_SCRIPT_KATAKANA */
HB_TAG('K','h','m','r'), /* HB_SCRIPT_KHMER */
HB_TAG('L','a','o','o'), /* HB_SCRIPT_LAO */
HB_TAG('L','a','t','n'), /* HB_SCRIPT_LATIN */
HB_TAG('M','l','y','m'), /* HB_SCRIPT_MALAYALAM */
HB_TAG('M','o','n','g'), /* HB_SCRIPT_MONGOLIAN */
HB_TAG('M','y','m','r'), /* HB_SCRIPT_MYANMAR */
HB_TAG('O','g','a','m'), /* HB_SCRIPT_OGHAM */
HB_TAG('I','t','a','l'), /* HB_SCRIPT_OLD_ITALIC */
HB_TAG('O','r','y','a'), /* HB_SCRIPT_ORIYA */
HB_TAG('R','u','n','r'), /* HB_SCRIPT_RUNIC */
HB_TAG('S','i','n','h'), /* HB_SCRIPT_SINHALA */
HB_TAG('S','y','r','c'), /* HB_SCRIPT_SYRIAC */
HB_TAG('T','a','m','l'), /* HB_SCRIPT_TAMIL */
HB_TAG('T','e','l','u'), /* HB_SCRIPT_TELUGU */
HB_TAG('T','h','a','a'), /* HB_SCRIPT_THAANA */
HB_TAG('T','h','a','i'), /* HB_SCRIPT_THAI */
HB_TAG('T','i','b','t'), /* HB_SCRIPT_TIBETAN */
HB_TAG('C','a','n','s'), /* HB_SCRIPT_CANADIAN_ABORIGINAL */
HB_TAG('Y','i','i','i'), /* HB_SCRIPT_YI */
HB_TAG('T','g','l','g'), /* HB_SCRIPT_TAGALOG */
HB_TAG('H','a','n','o'), /* HB_SCRIPT_HANUNOO */
HB_TAG('B','u','h','d'), /* HB_SCRIPT_BUHID */
HB_TAG('T','a','g','b'), /* HB_SCRIPT_TAGBANWA */
/* Unicode-4.0 additions */
HB_TAG('B','r','a','i'), /* HB_SCRIPT_BRAILLE */
HB_TAG('C','p','r','t'), /* HB_SCRIPT_CYPRIOT */
HB_TAG('L','i','m','b'), /* HB_SCRIPT_LIMBU */
HB_TAG('O','s','m','a'), /* HB_SCRIPT_OSMANYA */
HB_TAG('S','h','a','w'), /* HB_SCRIPT_SHAVIAN */
HB_TAG('L','i','n','b'), /* HB_SCRIPT_LINEAR_B */
HB_TAG('T','a','l','e'), /* HB_SCRIPT_TAI_LE */
HB_TAG('U','g','a','r'), /* HB_SCRIPT_UGARITIC */
/* Unicode-4.1 additions */
HB_TAG('T','a','l','u'), /* HB_SCRIPT_NEW_TAI_LUE */
HB_TAG('B','u','g','i'), /* HB_SCRIPT_BUGINESE */
HB_TAG('G','l','a','g'), /* HB_SCRIPT_GLAGOLITIC */
HB_TAG('T','f','n','g'), /* HB_SCRIPT_TIFINAGH */
HB_TAG('S','y','l','o'), /* HB_SCRIPT_SYLOTI_NAGRI */
HB_TAG('X','p','e','o'), /* HB_SCRIPT_OLD_PERSIAN */
HB_TAG('K','h','a','r'), /* HB_SCRIPT_KHAROSHTHI */
/* Unicode-5.0 additions */
HB_TAG('Z','z','z','z'), /* HB_SCRIPT_UNKNOWN */
HB_TAG('B','a','l','i'), /* HB_SCRIPT_BALINESE */
HB_TAG('X','s','u','x'), /* HB_SCRIPT_CUNEIFORM */
HB_TAG('P','h','n','x'), /* HB_SCRIPT_PHOENICIAN */
HB_TAG('P','h','a','g'), /* HB_SCRIPT_PHAGS_PA */
HB_TAG('N','k','o','o'), /* HB_SCRIPT_NKO */
/* Unicode-5.1 additions */
HB_TAG('K','a','l','i'), /* HB_SCRIPT_KAYAH_LI */
HB_TAG('L','e','p','c'), /* HB_SCRIPT_LEPCHA */
HB_TAG('R','j','n','g'), /* HB_SCRIPT_REJANG */
HB_TAG('S','u','n','d'), /* HB_SCRIPT_SUNDANESE */
HB_TAG('S','a','u','r'), /* HB_SCRIPT_SAURASHTRA */
HB_TAG('C','h','a','m'), /* HB_SCRIPT_CHAM */
HB_TAG('O','l','c','k'), /* HB_SCRIPT_OL_CHIKI */
HB_TAG('V','a','i','i'), /* HB_SCRIPT_VAI */
HB_TAG('C','a','r','i'), /* HB_SCRIPT_CARIAN */
HB_TAG('L','y','c','i'), /* HB_SCRIPT_LYCIAN */
HB_TAG('L','y','d','i'), /* HB_SCRIPT_LYDIAN */
/* Unicode-5.2 additions */
HB_TAG('A','v','s','t'), /* HB_SCRIPT_AVESTAN */
HB_TAG('B','a','m','u'), /* HB_SCRIPT_BAMUM */
HB_TAG('E','g','y','p'), /* HB_SCRIPT_EGYPTIAN_HIEROGLYPHS */
HB_TAG('A','r','m','i'), /* HB_SCRIPT_IMPERIAL_ARAMAIC */
HB_TAG('P','h','l','i'), /* HB_SCRIPT_INSCRIPTIONAL_PAHLAVI */
HB_TAG('P','r','t','i'), /* HB_SCRIPT_INSCRIPTIONAL_PARTHIAN */
HB_TAG('J','a','v','a'), /* HB_SCRIPT_JAVANESE */
HB_TAG('K','t','h','i'), /* HB_SCRIPT_KAITHI */
HB_TAG('L','i','s','u'), /* HB_SCRIPT_LISU */
HB_TAG('M','t','e','i'), /* HB_SCRIPT_MEETEI_MAYEK */
HB_TAG('S','a','r','b'), /* HB_SCRIPT_OLD_SOUTH_ARABIAN */
HB_TAG('O','r','k','h'), /* HB_SCRIPT_OLD_TURKIC */
HB_TAG('S','a','m','r'), /* HB_SCRIPT_SAMARITAN */
HB_TAG('L','a','n','a'), /* HB_SCRIPT_TAI_THAM */
HB_TAG('T','a','v','t'), /* HB_SCRIPT_TAI_VIET */
/* Unicode-6.0 additions */
HB_TAG('B','a','t','k'), /* HB_SCRIPT_BATAK */
HB_TAG('B','r','a','h'), /* HB_SCRIPT_BRAHMI */
HB_TAG('M','a','n','d') /* HB_SCRIPT_MANDAIC */
};
struct tag_script_pair {
hb_tag_t tag;
hb_script_t script;
};
static const struct tag_script_pair script_from_iso15924_tag[] =
{
{HB_TAG('A','r','a','b'), HB_SCRIPT_ARABIC},
{HB_TAG('A','r','m','i'), HB_SCRIPT_IMPERIAL_ARAMAIC},
{HB_TAG('A','r','m','n'), HB_SCRIPT_ARMENIAN},
{HB_TAG('A','v','s','t'), HB_SCRIPT_AVESTAN},
{HB_TAG('B','a','l','i'), HB_SCRIPT_BALINESE},
{HB_TAG('B','a','m','u'), HB_SCRIPT_BAMUM},
{HB_TAG('B','a','t','k'), HB_SCRIPT_BATAK},
{HB_TAG('B','e','n','g'), HB_SCRIPT_BENGALI},
{HB_TAG('B','o','p','o'), HB_SCRIPT_BOPOMOFO},
{HB_TAG('B','r','a','h'), HB_SCRIPT_BRAHMI},
{HB_TAG('B','r','a','i'), HB_SCRIPT_BRAILLE},
{HB_TAG('B','u','g','i'), HB_SCRIPT_BUGINESE},
{HB_TAG('B','u','h','d'), HB_SCRIPT_BUHID},
{HB_TAG('C','a','n','s'), HB_SCRIPT_CANADIAN_ABORIGINAL},
{HB_TAG('C','a','r','i'), HB_SCRIPT_CARIAN},
{HB_TAG('C','h','a','m'), HB_SCRIPT_CHAM},
{HB_TAG('C','h','e','r'), HB_SCRIPT_CHEROKEE},
{HB_TAG('C','p','r','t'), HB_SCRIPT_CYPRIOT},
{HB_TAG('C','y','r','l'), HB_SCRIPT_CYRILLIC},
{HB_TAG('C','y','r','s'), HB_SCRIPT_CYRILLIC},
{HB_TAG('D','e','v','a'), HB_SCRIPT_DEVANAGARI},
{HB_TAG('D','s','r','t'), HB_SCRIPT_DESERET},
{HB_TAG('E','g','y','p'), HB_SCRIPT_EGYPTIAN_HIEROGLYPHS},
{HB_TAG('E','t','h','i'), HB_SCRIPT_ETHIOPIC},
{HB_TAG('G','e','o','a'), HB_SCRIPT_GEORGIAN},
{HB_TAG('G','e','o','n'), HB_SCRIPT_GEORGIAN},
{HB_TAG('G','e','o','r'), HB_SCRIPT_GEORGIAN},
{HB_TAG('G','l','a','g'), HB_SCRIPT_GLAGOLITIC},
{HB_TAG('G','o','t','h'), HB_SCRIPT_GOTHIC},
{HB_TAG('G','r','e','k'), HB_SCRIPT_GREEK},
{HB_TAG('G','u','j','r'), HB_SCRIPT_GUJARATI},
{HB_TAG('G','u','r','u'), HB_SCRIPT_GURMUKHI},
{HB_TAG('H','a','n','g'), HB_SCRIPT_HANGUL},
{HB_TAG('H','a','n','i'), HB_SCRIPT_HAN},
{HB_TAG('H','a','n','o'), HB_SCRIPT_HANUNOO},
{HB_TAG('H','e','b','r'), HB_SCRIPT_HEBREW},
{HB_TAG('H','i','r','a'), HB_SCRIPT_HIRAGANA},
{HB_TAG('I','t','a','l'), HB_SCRIPT_OLD_ITALIC},
{HB_TAG('J','a','v','a'), HB_SCRIPT_JAVANESE},
{HB_TAG('K','a','l','i'), HB_SCRIPT_KAYAH_LI},
{HB_TAG('K','a','n','a'), HB_SCRIPT_KATAKANA},
{HB_TAG('K','h','a','r'), HB_SCRIPT_KHAROSHTHI},
{HB_TAG('K','h','m','r'), HB_SCRIPT_KHMER},
{HB_TAG('K','n','d','a'), HB_SCRIPT_KANNADA},
{HB_TAG('K','t','h','i'), HB_SCRIPT_KAITHI},
{HB_TAG('L','a','n','a'), HB_SCRIPT_TAI_THAM},
{HB_TAG('L','a','o','o'), HB_SCRIPT_LAO},
{HB_TAG('L','a','t','f'), HB_SCRIPT_LATIN},
{HB_TAG('L','a','t','g'), HB_SCRIPT_LATIN},
{HB_TAG('L','a','t','n'), HB_SCRIPT_LATIN},
{HB_TAG('L','e','p','c'), HB_SCRIPT_LEPCHA},
{HB_TAG('L','i','m','b'), HB_SCRIPT_LIMBU},
{HB_TAG('L','i','n','b'), HB_SCRIPT_LINEAR_B},
{HB_TAG('L','i','s','u'), HB_SCRIPT_LISU},
{HB_TAG('L','y','c','i'), HB_SCRIPT_LYCIAN},
{HB_TAG('L','y','d','i'), HB_SCRIPT_LYDIAN},
{HB_TAG('M','a','n','d'), HB_SCRIPT_MANDAIC},
{HB_TAG('M','l','y','m'), HB_SCRIPT_MALAYALAM},
{HB_TAG('M','o','n','g'), HB_SCRIPT_MONGOLIAN},
{HB_TAG('M','t','e','i'), HB_SCRIPT_MEETEI_MAYEK},
{HB_TAG('M','y','m','r'), HB_SCRIPT_MYANMAR},
{HB_TAG('N','k','o','o'), HB_SCRIPT_NKO},
{HB_TAG('O','g','a','m'), HB_SCRIPT_OGHAM},
{HB_TAG('O','l','c','k'), HB_SCRIPT_OL_CHIKI},
{HB_TAG('O','r','k','h'), HB_SCRIPT_OLD_TURKIC},
{HB_TAG('O','r','y','a'), HB_SCRIPT_ORIYA},
{HB_TAG('O','s','m','a'), HB_SCRIPT_OSMANYA},
{HB_TAG('P','h','a','g'), HB_SCRIPT_PHAGS_PA},
{HB_TAG('P','h','l','i'), HB_SCRIPT_INSCRIPTIONAL_PAHLAVI},
{HB_TAG('P','h','n','x'), HB_SCRIPT_PHOENICIAN},
{HB_TAG('P','r','t','i'), HB_SCRIPT_INSCRIPTIONAL_PARTHIAN},
{HB_TAG('Q','a','a','c'), HB_SCRIPT_COPTIC},
{HB_TAG('Q','a','a','i'), HB_SCRIPT_INHERITED},
{HB_TAG('R','j','n','g'), HB_SCRIPT_REJANG},
{HB_TAG('R','u','n','r'), HB_SCRIPT_RUNIC},
{HB_TAG('S','a','m','r'), HB_SCRIPT_SAMARITAN},
{HB_TAG('S','a','r','b'), HB_SCRIPT_OLD_SOUTH_ARABIAN},
{HB_TAG('S','a','u','r'), HB_SCRIPT_SAURASHTRA},
{HB_TAG('S','h','a','w'), HB_SCRIPT_SHAVIAN},
{HB_TAG('S','i','n','h'), HB_SCRIPT_SINHALA},
{HB_TAG('S','u','n','d'), HB_SCRIPT_SUNDANESE},
{HB_TAG('S','y','l','o'), HB_SCRIPT_SYLOTI_NAGRI},
{HB_TAG('S','y','r','c'), HB_SCRIPT_SYRIAC},
{HB_TAG('S','y','r','e'), HB_SCRIPT_SYRIAC},
{HB_TAG('S','y','r','n'), HB_SCRIPT_SYRIAC},
{HB_TAG('T','a','g','b'), HB_SCRIPT_TAGBANWA},
{HB_TAG('T','a','l','e'), HB_SCRIPT_TAI_LE},
{HB_TAG('T','a','l','u'), HB_SCRIPT_NEW_TAI_LUE},
{HB_TAG('T','a','m','l'), HB_SCRIPT_TAMIL},
{HB_TAG('T','a','v','t'), HB_SCRIPT_TAI_VIET},
{HB_TAG('T','e','l','u'), HB_SCRIPT_TELUGU},
{HB_TAG('T','f','n','g'), HB_SCRIPT_TIFINAGH},
{HB_TAG('T','g','l','g'), HB_SCRIPT_TAGALOG},
{HB_TAG('T','h','a','a'), HB_SCRIPT_THAANA},
{HB_TAG('T','h','a','i'), HB_SCRIPT_THAI},
{HB_TAG('T','i','b','t'), HB_SCRIPT_TIBETAN},
{HB_TAG('U','g','a','r'), HB_SCRIPT_UGARITIC},
{HB_TAG('V','a','i','i'), HB_SCRIPT_VAI},
{HB_TAG('X','p','e','o'), HB_SCRIPT_OLD_PERSIAN},
{HB_TAG('X','s','u','x'), HB_SCRIPT_CUNEIFORM},
{HB_TAG('Y','i','i','i'), HB_SCRIPT_YI},
{HB_TAG('Z','y','y','y'), HB_SCRIPT_COMMON},
{HB_TAG('Z','z','z','z'), HB_SCRIPT_UNKNOWN}
};
static int
_tag_cmp (hb_tag_t *pa, hb_tag_t *pb)
{
hb_tag_t a = *pa, b = *pb;
return a < b ? -1 : a == b ? 0 : +1;
}
hb_script_t hb_script_t
hb_script_from_iso15924_tag (hb_tag_t tag) hb_script_from_iso15924_tag (hb_tag_t tag)
{ {
const struct tag_script_pair *pair;
/* Be lenient, adjust case (one capital letter followed by three small letters) */ /* Be lenient, adjust case (one capital letter followed by three small letters) */
tag = (tag & 0xDFDFDFDF) | 0x00202020; tag = (tag & 0xDFDFDFDF) | 0x00202020;
pair = (const struct tag_script_pair *) bsearch (&tag, switch (tag) {
script_from_iso15924_tag, case HB_TAG('C','y','r','s'): return HB_SCRIPT_CYRILLIC;
ARRAY_LENGTH (script_from_iso15924_tag), case HB_TAG('G','e','o','a'): return HB_SCRIPT_GEORGIAN;
sizeof (script_from_iso15924_tag[0]), case HB_TAG('G','e','o','n'): return HB_SCRIPT_GEORGIAN;
(hb_compare_func_t) _tag_cmp); case HB_TAG('L','a','t','f'): return HB_SCRIPT_LATIN;
case HB_TAG('L','a','t','g'): return HB_SCRIPT_LATIN;
if (pair) case HB_TAG('S','y','r','e'): return HB_SCRIPT_SYRIAC;
return pair->script; case HB_TAG('S','y','r','j'): return HB_SCRIPT_SYRIAC;
case HB_TAG('S','y','r','n'): return HB_SCRIPT_SYRIAC;
}
/* If it looks right, just use the tag as a script */ /* If it looks right, just use the tag as a script */
if (((uint32_t) tag & 0xE0E0E0E0) == 0x40606060) if (((uint32_t) tag & 0xE0E0E0E0) == 0x40606060)
@ -408,142 +177,42 @@ hb_script_from_string (const char *s)
hb_tag_t hb_tag_t
hb_script_to_iso15924_tag (hb_script_t script) hb_script_to_iso15924_tag (hb_script_t script)
{ {
if (likely ((unsigned int) script < ARRAY_LENGTH (script_to_iso15924_tag)))
return script_to_iso15924_tag[script];
/* if script is of the right shape (one capital letter followed by three small letters),
* return as is. */
if (((uint32_t) script & 0xE0E0E0E0) == 0x40606060)
return (hb_tag_t) script; return (hb_tag_t) script;
/* Otherwise, we don't know what that is */
return script_to_iso15924_tag[HB_SCRIPT_UNKNOWN];
} }
#define LTR HB_DIRECTION_LTR
#define RTL HB_DIRECTION_RTL
const hb_direction_t horiz_dir[] =
{
LTR, /* Zyyy */
LTR, /* Qaai */
RTL, /* Arab */
LTR, /* Armn */
LTR, /* Beng */
LTR, /* Bopo */
LTR, /* Cher */
LTR, /* Qaac */
LTR, /* Cyrl (Cyrs) */
LTR, /* Dsrt */
LTR, /* Deva */
LTR, /* Ethi */
LTR, /* Geor (Geon, Geoa) */
LTR, /* Goth */
LTR, /* Grek */
LTR, /* Gujr */
LTR, /* Guru */
LTR, /* Hani */
LTR, /* Hang */
RTL, /* Hebr */
LTR, /* Hira */
LTR, /* Knda */
LTR, /* Kana */
LTR, /* Khmr */
LTR, /* Laoo */
LTR, /* Latn (Latf, Latg) */
LTR, /* Mlym */
LTR, /* Mong */
LTR, /* Mymr */
LTR, /* Ogam */
LTR, /* Ital */
LTR, /* Orya */
LTR, /* Runr */
LTR, /* Sinh */
RTL, /* Syrc (Syrj, Syrn, Syre) */
LTR, /* Taml */
LTR, /* Telu */
RTL, /* Thaa */
LTR, /* Thai */
LTR, /* Tibt */
LTR, /* Cans */
LTR, /* Yiii */
LTR, /* Tglg */
LTR, /* Hano */
LTR, /* Buhd */
LTR, /* Tagb */
/* Unicode-4.0 additions */
LTR, /* Brai */
RTL, /* Cprt */
LTR, /* Limb */
LTR, /* Osma */
LTR, /* Shaw */
LTR, /* Linb */
LTR, /* Tale */
LTR, /* Ugar */
/* Unicode-4.1 additions */
LTR, /* Talu */
LTR, /* Bugi */
LTR, /* Glag */
LTR, /* Tfng */
LTR, /* Sylo */
LTR, /* Xpeo */
LTR, /* Khar */
/* Unicode-5.0 additions */
LTR, /* Zzzz */
LTR, /* Bali */
LTR, /* Xsux */
RTL, /* Phnx */
LTR, /* Phag */
RTL, /* Nkoo */
/* Unicode-5.1 additions */
LTR, /* Kali */
LTR, /* Lepc */
LTR, /* Rjng */
LTR, /* Sund */
LTR, /* Saur */
LTR, /* Cham */
LTR, /* Olck */
LTR, /* Vaii */
LTR, /* Cari */
LTR, /* Lyci */
LTR, /* Lydi */
/* Unicode-5.2 additions */
RTL, /* Avst */
LTR, /* Bamu */
LTR, /* Egyp */
RTL, /* Armi */
RTL, /* Phli */
RTL, /* Prti */
LTR, /* Java */
LTR, /* Kthi */
LTR, /* Lisu */
LTR, /* Mtei */
RTL, /* Sarb */
RTL, /* Orkh */
RTL, /* Samr */
LTR, /* Lana */
LTR, /* Tavt */
/* Unicode-6.0 additions */
LTR, /* Batk */
LTR, /* Brah */
RTL /* Mand */
};
#undef LTR
#undef RTL
hb_direction_t hb_direction_t
hb_script_get_horizontal_direction (hb_script_t script) hb_script_get_horizontal_direction (hb_script_t script)
{ {
if (unlikely ((unsigned int) script >= ARRAY_LENGTH (horiz_dir))) switch ((hb_tag_t) script)
return HB_DIRECTION_LTR; {
case HB_SCRIPT_ARABIC:
case HB_SCRIPT_HEBREW:
case HB_SCRIPT_SYRIAC:
case HB_SCRIPT_THAANA:
return horiz_dir[script]; /* Unicode-4.0 additions */
case HB_SCRIPT_CYPRIOT:
/* Unicode-5.0 additions */
case HB_SCRIPT_PHOENICIAN:
case HB_SCRIPT_NKO:
/* Unicode-5.2 additions */
case HB_SCRIPT_AVESTAN:
case HB_SCRIPT_IMPERIAL_ARAMAIC:
case HB_SCRIPT_INSCRIPTIONAL_PAHLAVI:
case HB_SCRIPT_INSCRIPTIONAL_PARTHIAN:
case HB_SCRIPT_OLD_SOUTH_ARABIAN:
case HB_SCRIPT_OLD_TURKIC:
case HB_SCRIPT_SAMARITAN:
/* Unicode-6.0 additions */
case HB_SCRIPT_MANDAIC:
return HB_DIRECTION_RTL;
}
return HB_DIRECTION_LTR;
} }

View File

@ -148,117 +148,118 @@ typedef enum
/* hb_script_t */ /* hb_script_t */
typedef enum typedef enum
{ /* ISO 15924 code */ {
HB_SCRIPT_INVALID = -1, HB_SCRIPT_COMMON = HB_TAG ('Z','y','y','y'),
HB_SCRIPT_INHERITED = HB_TAG ('Q','a','a','i'),
HB_SCRIPT_COMMON = 0, /* Zyyy */ HB_SCRIPT_ARABIC = HB_TAG ('A','r','a','b'),
HB_SCRIPT_INHERITED, /* Qaai */ HB_SCRIPT_ARMENIAN = HB_TAG ('A','r','m','n'),
HB_SCRIPT_ARABIC, /* Arab */ HB_SCRIPT_BENGALI = HB_TAG ('B','e','n','g'),
HB_SCRIPT_ARMENIAN, /* Armn */ HB_SCRIPT_BOPOMOFO = HB_TAG ('B','o','p','o'),
HB_SCRIPT_BENGALI, /* Beng */ HB_SCRIPT_CHEROKEE = HB_TAG ('C','h','e','r'),
HB_SCRIPT_BOPOMOFO, /* Bopo */ HB_SCRIPT_COPTIC = HB_TAG ('Q','a','a','c'),
HB_SCRIPT_CHEROKEE, /* Cher */ HB_SCRIPT_CYRILLIC = HB_TAG ('C','y','r','l'),
HB_SCRIPT_COPTIC, /* Qaac */ HB_SCRIPT_DESERET = HB_TAG ('D','s','r','t'),
HB_SCRIPT_CYRILLIC, /* Cyrl (Cyrs) */ HB_SCRIPT_DEVANAGARI = HB_TAG ('D','e','v','a'),
HB_SCRIPT_DESERET, /* Dsrt */ HB_SCRIPT_ETHIOPIC = HB_TAG ('E','t','h','i'),
HB_SCRIPT_DEVANAGARI, /* Deva */ HB_SCRIPT_GEORGIAN = HB_TAG ('G','e','o','r'),
HB_SCRIPT_ETHIOPIC, /* Ethi */ HB_SCRIPT_GOTHIC = HB_TAG ('G','o','t','h'),
HB_SCRIPT_GEORGIAN, /* Geor (Geon, Geoa) */ HB_SCRIPT_GREEK = HB_TAG ('G','r','e','k'),
HB_SCRIPT_GOTHIC, /* Goth */ HB_SCRIPT_GUJARATI = HB_TAG ('G','u','j','r'),
HB_SCRIPT_GREEK, /* Grek */ HB_SCRIPT_GURMUKHI = HB_TAG ('G','u','r','u'),
HB_SCRIPT_GUJARATI, /* Gujr */ HB_SCRIPT_HAN = HB_TAG ('H','a','n','i'),
HB_SCRIPT_GURMUKHI, /* Guru */ HB_SCRIPT_HANGUL = HB_TAG ('H','a','n','g'),
HB_SCRIPT_HAN, /* Hani */ HB_SCRIPT_HEBREW = HB_TAG ('H','e','b','r'),
HB_SCRIPT_HANGUL, /* Hang */ HB_SCRIPT_HIRAGANA = HB_TAG ('H','i','r','a'),
HB_SCRIPT_HEBREW, /* Hebr */ HB_SCRIPT_KANNADA = HB_TAG ('K','n','d','a'),
HB_SCRIPT_HIRAGANA, /* Hira */ HB_SCRIPT_KATAKANA = HB_TAG ('K','a','n','a'),
HB_SCRIPT_KANNADA, /* Knda */ HB_SCRIPT_KHMER = HB_TAG ('K','h','m','r'),
HB_SCRIPT_KATAKANA, /* Kana */ HB_SCRIPT_LAO = HB_TAG ('L','a','o','o'),
HB_SCRIPT_KHMER, /* Khmr */ HB_SCRIPT_LATIN = HB_TAG ('L','a','t','n'),
HB_SCRIPT_LAO, /* Laoo */ HB_SCRIPT_MALAYALAM = HB_TAG ('M','l','y','m'),
HB_SCRIPT_LATIN, /* Latn (Latf, Latg) */ HB_SCRIPT_MONGOLIAN = HB_TAG ('M','o','n','g'),
HB_SCRIPT_MALAYALAM, /* Mlym */ HB_SCRIPT_MYANMAR = HB_TAG ('M','y','m','r'),
HB_SCRIPT_MONGOLIAN, /* Mong */ HB_SCRIPT_OGHAM = HB_TAG ('O','g','a','m'),
HB_SCRIPT_MYANMAR, /* Mymr */ HB_SCRIPT_OLD_ITALIC = HB_TAG ('I','t','a','l'),
HB_SCRIPT_OGHAM, /* Ogam */ HB_SCRIPT_ORIYA = HB_TAG ('O','r','y','a'),
HB_SCRIPT_OLD_ITALIC, /* Ital */ HB_SCRIPT_RUNIC = HB_TAG ('R','u','n','r'),
HB_SCRIPT_ORIYA, /* Orya */ HB_SCRIPT_SINHALA = HB_TAG ('S','i','n','h'),
HB_SCRIPT_RUNIC, /* Runr */ HB_SCRIPT_SYRIAC = HB_TAG ('S','y','r','c'),
HB_SCRIPT_SINHALA, /* Sinh */ HB_SCRIPT_TAMIL = HB_TAG ('T','a','m','l'),
HB_SCRIPT_SYRIAC, /* Syrc (Syrj, Syrn, Syre) */ HB_SCRIPT_TELUGU = HB_TAG ('T','e','l','u'),
HB_SCRIPT_TAMIL, /* Taml */ HB_SCRIPT_THAANA = HB_TAG ('T','h','a','a'),
HB_SCRIPT_TELUGU, /* Telu */ HB_SCRIPT_THAI = HB_TAG ('T','h','a','i'),
HB_SCRIPT_THAANA, /* Thaa */ HB_SCRIPT_TIBETAN = HB_TAG ('T','i','b','t'),
HB_SCRIPT_THAI, /* Thai */ HB_SCRIPT_CANADIAN_ABORIGINAL = HB_TAG ('C','a','n','s'),
HB_SCRIPT_TIBETAN, /* Tibt */ HB_SCRIPT_YI = HB_TAG ('Y','i','i','i'),
HB_SCRIPT_CANADIAN_ABORIGINAL, /* Cans */ HB_SCRIPT_TAGALOG = HB_TAG ('T','g','l','g'),
HB_SCRIPT_YI, /* Yiii */ HB_SCRIPT_HANUNOO = HB_TAG ('H','a','n','o'),
HB_SCRIPT_TAGALOG, /* Tglg */ HB_SCRIPT_BUHID = HB_TAG ('B','u','h','d'),
HB_SCRIPT_HANUNOO, /* Hano */ HB_SCRIPT_TAGBANWA = HB_TAG ('T','a','g','b'),
HB_SCRIPT_BUHID, /* Buhd */
HB_SCRIPT_TAGBANWA, /* Tagb */
/* Unicode-4.0 additions */ /* Unicode-4.0 additions */
HB_SCRIPT_BRAILLE, /* Brai */ HB_SCRIPT_BRAILLE = HB_TAG ('B','r','a','i'),
HB_SCRIPT_CYPRIOT, /* Cprt */ HB_SCRIPT_CYPRIOT = HB_TAG ('C','p','r','t'),
HB_SCRIPT_LIMBU, /* Limb */ HB_SCRIPT_LIMBU = HB_TAG ('L','i','m','b'),
HB_SCRIPT_OSMANYA, /* Osma */ HB_SCRIPT_OSMANYA = HB_TAG ('O','s','m','a'),
HB_SCRIPT_SHAVIAN, /* Shaw */ HB_SCRIPT_SHAVIAN = HB_TAG ('S','h','a','w'),
HB_SCRIPT_LINEAR_B, /* Linb */ HB_SCRIPT_LINEAR_B = HB_TAG ('L','i','n','b'),
HB_SCRIPT_TAI_LE, /* Tale */ HB_SCRIPT_TAI_LE = HB_TAG ('T','a','l','e'),
HB_SCRIPT_UGARITIC, /* Ugar */ HB_SCRIPT_UGARITIC = HB_TAG ('U','g','a','r'),
/* Unicode-4.1 additions */ /* Unicode-4.1 additions */
HB_SCRIPT_NEW_TAI_LUE, /* Talu */ HB_SCRIPT_NEW_TAI_LUE = HB_TAG ('T','a','l','u'),
HB_SCRIPT_BUGINESE, /* Bugi */ HB_SCRIPT_BUGINESE = HB_TAG ('B','u','g','i'),
HB_SCRIPT_GLAGOLITIC, /* Glag */ HB_SCRIPT_GLAGOLITIC = HB_TAG ('G','l','a','g'),
HB_SCRIPT_TIFINAGH, /* Tfng */ HB_SCRIPT_TIFINAGH = HB_TAG ('T','f','n','g'),
HB_SCRIPT_SYLOTI_NAGRI, /* Sylo */ HB_SCRIPT_SYLOTI_NAGRI = HB_TAG ('S','y','l','o'),
HB_SCRIPT_OLD_PERSIAN, /* Xpeo */ HB_SCRIPT_OLD_PERSIAN = HB_TAG ('X','p','e','o'),
HB_SCRIPT_KHAROSHTHI, /* Khar */ HB_SCRIPT_KHAROSHTHI = HB_TAG ('K','h','a','r'),
/* Unicode-5.0 additions */ /* Unicode-5.0 additions */
HB_SCRIPT_UNKNOWN, /* Zzzz */ HB_SCRIPT_UNKNOWN = HB_TAG ('Z','z','z','z'),
HB_SCRIPT_BALINESE, /* Bali */ HB_SCRIPT_BALINESE = HB_TAG ('B','a','l','i'),
HB_SCRIPT_CUNEIFORM, /* Xsux */ HB_SCRIPT_CUNEIFORM = HB_TAG ('X','s','u','x'),
HB_SCRIPT_PHOENICIAN, /* Phnx */ HB_SCRIPT_PHOENICIAN = HB_TAG ('P','h','n','x'),
HB_SCRIPT_PHAGS_PA, /* Phag */ HB_SCRIPT_PHAGS_PA = HB_TAG ('P','h','a','g'),
HB_SCRIPT_NKO, /* Nkoo */ HB_SCRIPT_NKO = HB_TAG ('N','k','o','o'),
/* Unicode-5.1 additions */ /* Unicode-5.1 additions */
HB_SCRIPT_KAYAH_LI, /* Kali */ HB_SCRIPT_KAYAH_LI = HB_TAG ('K','a','l','i'),
HB_SCRIPT_LEPCHA, /* Lepc */ HB_SCRIPT_LEPCHA = HB_TAG ('L','e','p','c'),
HB_SCRIPT_REJANG, /* Rjng */ HB_SCRIPT_REJANG = HB_TAG ('R','j','n','g'),
HB_SCRIPT_SUNDANESE, /* Sund */ HB_SCRIPT_SUNDANESE = HB_TAG ('S','u','n','d'),
HB_SCRIPT_SAURASHTRA, /* Saur */ HB_SCRIPT_SAURASHTRA = HB_TAG ('S','a','u','r'),
HB_SCRIPT_CHAM, /* Cham */ HB_SCRIPT_CHAM = HB_TAG ('C','h','a','m'),
HB_SCRIPT_OL_CHIKI, /* Olck */ HB_SCRIPT_OL_CHIKI = HB_TAG ('O','l','c','k'),
HB_SCRIPT_VAI, /* Vaii */ HB_SCRIPT_VAI = HB_TAG ('V','a','i','i'),
HB_SCRIPT_CARIAN, /* Cari */ HB_SCRIPT_CARIAN = HB_TAG ('C','a','r','i'),
HB_SCRIPT_LYCIAN, /* Lyci */ HB_SCRIPT_LYCIAN = HB_TAG ('L','y','c','i'),
HB_SCRIPT_LYDIAN, /* Lydi */ HB_SCRIPT_LYDIAN = HB_TAG ('L','y','d','i'),
/* Unicode-5.2 additions */ /* Unicode-5.2 additions */
HB_SCRIPT_AVESTAN, /* Avst */ HB_SCRIPT_AVESTAN = HB_TAG ('A','v','s','t'),
HB_SCRIPT_BAMUM, /* Bamu */ HB_SCRIPT_BAMUM = HB_TAG ('B','a','m','u'),
HB_SCRIPT_EGYPTIAN_HIEROGLYPHS, /* Egyp */ HB_SCRIPT_EGYPTIAN_HIEROGLYPHS = HB_TAG ('E','g','y','p'),
HB_SCRIPT_IMPERIAL_ARAMAIC, /* Armi */ HB_SCRIPT_IMPERIAL_ARAMAIC = HB_TAG ('A','r','m','i'),
HB_SCRIPT_INSCRIPTIONAL_PAHLAVI, /* Phli */ HB_SCRIPT_INSCRIPTIONAL_PAHLAVI = HB_TAG ('P','h','l','i'),
HB_SCRIPT_INSCRIPTIONAL_PARTHIAN, /* Prti */ HB_SCRIPT_INSCRIPTIONAL_PARTHIAN = HB_TAG ('P','r','t','i'),
HB_SCRIPT_JAVANESE, /* Java */ HB_SCRIPT_JAVANESE = HB_TAG ('J','a','v','a'),
HB_SCRIPT_KAITHI, /* Kthi */ HB_SCRIPT_KAITHI = HB_TAG ('K','t','h','i'),
HB_SCRIPT_LISU, /* Lisu */ HB_SCRIPT_LISU = HB_TAG ('L','i','s','u'),
HB_SCRIPT_MEETEI_MAYEK, /* Mtei */ HB_SCRIPT_MEETEI_MAYEK = HB_TAG ('M','t','e','i'),
HB_SCRIPT_OLD_SOUTH_ARABIAN, /* Sarb */ HB_SCRIPT_OLD_SOUTH_ARABIAN = HB_TAG ('S','a','r','b'),
HB_SCRIPT_OLD_TURKIC, /* Orkh */ HB_SCRIPT_OLD_TURKIC = HB_TAG ('O','r','k','h'),
HB_SCRIPT_SAMARITAN, /* Samr */ HB_SCRIPT_SAMARITAN = HB_TAG ('S','a','m','r'),
HB_SCRIPT_TAI_THAM, /* Lana */ HB_SCRIPT_TAI_THAM = HB_TAG ('L','a','n','a'),
HB_SCRIPT_TAI_VIET, /* Tavt */ HB_SCRIPT_TAI_VIET = HB_TAG ('T','a','v','t'),
/* Unicode-6.0 additions */ /* Unicode-6.0 additions */
HB_SCRIPT_BATAK, /* Batk */ HB_SCRIPT_BATAK = HB_TAG ('B','a','t','k'),
HB_SCRIPT_BRAHMI, /* Brah */ HB_SCRIPT_BRAHMI = HB_TAG ('B','r','a','h'),
HB_SCRIPT_MANDAIC /* Mand */ HB_SCRIPT_MANDAIC = HB_TAG ('M','a','n','d'),
/* No script set */
HB_SCRIPT_INVALID = HB_TAG_NONE
} hb_script_t; } hb_script_t;

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@ -73,10 +73,10 @@ hb_ot_map_t::compile (hb_face_t *face,
/* Fetch script/language indices for GSUB/GPOS. We need these later to skip /* Fetch script/language indices for GSUB/GPOS. We need these later to skip
* features not available in either table and not waste precious bits for them. */ * features not available in either table and not waste precious bits for them. */
const hb_tag_t *script_tags; hb_tag_t script_tags[3] = {HB_TAG_NONE};
hb_tag_t language_tag; hb_tag_t language_tag;
script_tags = hb_ot_tags_from_script (props->script); hb_ot_tags_from_script (props->script, &script_tags[0], &script_tags[1]);
language_tag = hb_ot_tag_from_language (props->language); language_tag = hb_ot_tag_from_language (props->language);
unsigned int script_index[2], language_index[2]; unsigned int script_index[2], language_index[2];

View File

@ -37,7 +37,8 @@ HB_BEGIN_DECLS
static inline hb_ot_complex_shaper_t static inline hb_ot_complex_shaper_t
hb_ot_shape_complex_categorize (const hb_segment_properties_t *props) hb_ot_shape_complex_categorize (const hb_segment_properties_t *props)
{ {
switch ((int) props->script) { switch ((int) props->script)
{
case HB_SCRIPT_ARABIC: case HB_SCRIPT_ARABIC:
case HB_SCRIPT_NKO: case HB_SCRIPT_NKO:
case HB_SCRIPT_SYRIAC: case HB_SCRIPT_SYRIAC:

View File

@ -32,150 +32,122 @@
HB_BEGIN_DECLS HB_BEGIN_DECLS
/* hb_script_t */
static hb_tag_t
hb_ot_old_tag_from_script (hb_script_t script)
{
switch ((hb_tag_t) script) {
case HB_SCRIPT_COPTIC: return HB_TAG('c','o','p','t');
case HB_SCRIPT_HIRAGANA: return HB_TAG('k','a','n','a');
case HB_SCRIPT_LAO: return HB_TAG('l','a','o',' ');
case HB_SCRIPT_YI: return HB_TAG('y','i',' ',' ');
/* Unicode-5.0 additions */
case HB_SCRIPT_NKO: return HB_TAG('n','k','o',' ');
/* Unicode-5.1 additions */
case HB_SCRIPT_VAI: return HB_TAG('v','a','i',' ');
/* Unicode-5.2 additions */
case HB_SCRIPT_MEETEI_MAYEK: return HB_TAG('m','y','e','i');
/* Unicode-6.0 additions */
}
/* Else, just change first char to lowercase and return */
return ((hb_tag_t) script) | 0x02000000;
}
static hb_script_t
hb_ot_old_tag_to_script (hb_tag_t tag)
{
switch (tag) {
case HB_TAG('c','o','p','t'): return HB_SCRIPT_COPTIC;
case HB_TAG('k','a','n','a'): return HB_SCRIPT_HIRAGANA;
case HB_TAG('l','a','o',' '): return HB_SCRIPT_LAO;
case HB_TAG('y','i',' ',' '): return HB_SCRIPT_YI;
/* Unicode-5.0 additions */
case HB_TAG('n','k','o',' '): return HB_SCRIPT_NKO;
/* Unicode-5.1 additions */
case HB_TAG('v','a','i',' '): return HB_SCRIPT_VAI;
/* Unicode-5.2 additions */
case HB_TAG('m','y','e','i'): return HB_SCRIPT_MEETEI_MAYEK;
/* Unicode-6.0 additions */
}
/* Else, just change first char to uppercase and return */
return (hb_script_t) (tag & ~0x02000000);
}
static hb_tag_t
hb_ot_new_tag_from_script (hb_script_t script)
{
switch ((hb_tag_t) script) {
case HB_SCRIPT_BENGALI: return HB_TAG('b','n','g','2');
case HB_SCRIPT_DEVANAGARI: return HB_TAG('d','e','v','2');
case HB_SCRIPT_GUJARATI: return HB_TAG('g','j','r','2');
case HB_SCRIPT_GURMUKHI: return HB_TAG('g','u','r','2');
case HB_SCRIPT_KANNADA: return HB_TAG('k','n','d','2');
case HB_SCRIPT_MALAYALAM: return HB_TAG('m','l','m','2');
case HB_SCRIPT_ORIYA: return HB_TAG('o','r','y','2');
case HB_SCRIPT_TAMIL: return HB_TAG('t','m','l','2');
case HB_SCRIPT_TELUGU: return HB_TAG('t','e','l','2');
}
return HB_TAG_NONE;
}
static hb_script_t
hb_ot_new_tag_to_script (hb_tag_t tag)
{
switch (tag) {
case HB_TAG('b','n','g','2'): return HB_SCRIPT_BENGALI;
case HB_TAG('d','e','v','2'): return HB_SCRIPT_DEVANAGARI;
case HB_TAG('g','j','r','2'): return HB_SCRIPT_GUJARATI;
case HB_TAG('g','u','r','2'): return HB_SCRIPT_GURMUKHI;
case HB_TAG('k','n','d','2'): return HB_SCRIPT_KANNADA;
case HB_TAG('m','l','m','2'): return HB_SCRIPT_MALAYALAM;
case HB_TAG('o','r','y','2'): return HB_SCRIPT_ORIYA;
case HB_TAG('t','m','l','2'): return HB_SCRIPT_TAMIL;
case HB_TAG('t','e','l','2'): return HB_SCRIPT_TELUGU;
}
return HB_SCRIPT_UNKNOWN;
}
/* /*
* Complete list at: * Complete list at:
* http://www.microsoft.com/typography/otspec/scripttags.htm * http://www.microsoft.com/typography/otspec/scripttags.htm
*
* Most of the script tags are the same as the ISO 15924 tag but lowercased.
* So we just do that, and handle the exceptional cases in a switch.
*/ */
static const hb_tag_t ot_scripts[][3] = {
{HB_TAG('D','F','L','T')}, /* HB_SCRIPT_COMMON */
{HB_TAG('D','F','L','T')}, /* HB_SCRIPT_INHERITED */
{HB_TAG('a','r','a','b')}, /* HB_SCRIPT_ARABIC */
{HB_TAG('a','r','m','n')}, /* HB_SCRIPT_ARMENIAN */
{HB_TAG('b','n','g','2'), HB_TAG('b','e','n','g')}, /* HB_SCRIPT_BENGALI */
{HB_TAG('b','o','p','o')}, /* HB_SCRIPT_BOPOMOFO */
{HB_TAG('c','h','e','r')}, /* HB_SCRIPT_CHEROKEE */
{HB_TAG('c','o','p','t')}, /* HB_SCRIPT_COPTIC */
{HB_TAG('c','y','r','l')}, /* HB_SCRIPT_CYRILLIC */
{HB_TAG('d','s','r','t')}, /* HB_SCRIPT_DESERET */
{HB_TAG('d','e','v','2'), HB_TAG('d','e','v','a')}, /* HB_SCRIPT_DEVANAGARI */
{HB_TAG('e','t','h','i')}, /* HB_SCRIPT_ETHIOPIC */
{HB_TAG('g','e','o','r')}, /* HB_SCRIPT_GEORGIAN */
{HB_TAG('g','o','t','h')}, /* HB_SCRIPT_GOTHIC */
{HB_TAG('g','r','e','k')}, /* HB_SCRIPT_GREEK */
{HB_TAG('g','j','r','2'), HB_TAG('g','u','j','r')}, /* HB_SCRIPT_GUJARATI */
{HB_TAG('g','u','r','2'), HB_TAG('g','u','r','u')}, /* HB_SCRIPT_GURMUKHI */
{HB_TAG('h','a','n','i')}, /* HB_SCRIPT_HAN */
{HB_TAG('h','a','n','g')}, /* HB_SCRIPT_HANGUL */
{HB_TAG('h','e','b','r')}, /* HB_SCRIPT_HEBREW */
{HB_TAG('k','a','n','a')}, /* HB_SCRIPT_HIRAGANA */
{HB_TAG('k','n','d','2'), HB_TAG('k','n','d','a')}, /* HB_SCRIPT_KANNADA */
{HB_TAG('k','a','n','a')}, /* HB_SCRIPT_KATAKANA */
{HB_TAG('k','h','m','r')}, /* HB_SCRIPT_KHMER */
{HB_TAG('l','a','o',' ')}, /* HB_SCRIPT_LAO */
{HB_TAG('l','a','t','n')}, /* HB_SCRIPT_LATIN */
{HB_TAG('m','l','m','2'), HB_TAG('m','l','y','m')}, /* HB_SCRIPT_MALAYALAM */
{HB_TAG('m','o','n','g')}, /* HB_SCRIPT_MONGOLIAN */
{HB_TAG('m','y','m','r')}, /* HB_SCRIPT_MYANMAR */
{HB_TAG('o','g','a','m')}, /* HB_SCRIPT_OGHAM */
{HB_TAG('i','t','a','l')}, /* HB_SCRIPT_OLD_ITALIC */
{HB_TAG('o','r','y','2'), HB_TAG('o','r','y','a')}, /* HB_SCRIPT_ORIYA */
{HB_TAG('r','u','n','r')}, /* HB_SCRIPT_RUNIC */
{HB_TAG('s','i','n','h')}, /* HB_SCRIPT_SINHALA */
{HB_TAG('s','y','r','c')}, /* HB_SCRIPT_SYRIAC */
{HB_TAG('t','m','l','2'), HB_TAG('t','a','m','l')}, /* HB_SCRIPT_TAMIL */
{HB_TAG('t','e','l','2'), HB_TAG('t','e','l','u')}, /* HB_SCRIPT_TELUGU */
{HB_TAG('t','h','a','a')}, /* HB_SCRIPT_THAANA */
{HB_TAG('t','h','a','i')}, /* HB_SCRIPT_THAI */
{HB_TAG('t','i','b','t')}, /* HB_SCRIPT_TIBETAN */
{HB_TAG('c','a','n','s')}, /* HB_SCRIPT_CANADIAN_ABORIGINAL */
{HB_TAG('y','i',' ',' ')}, /* HB_SCRIPT_YI */
{HB_TAG('t','g','l','g')}, /* HB_SCRIPT_TAGALOG */
{HB_TAG('h','a','n','o')}, /* HB_SCRIPT_HANUNOO */
{HB_TAG('b','u','h','d')}, /* HB_SCRIPT_BUHID */
{HB_TAG('t','a','g','b')}, /* HB_SCRIPT_TAGBANWA */
/* Unicode-4.0 additions */ void
{HB_TAG('b','r','a','i')}, /* HB_SCRIPT_BRAILLE */ hb_ot_tags_from_script (hb_script_t script,
{HB_TAG('c','p','r','t')}, /* HB_SCRIPT_CYPRIOT */ hb_tag_t *script_tag_1,
{HB_TAG('l','i','m','b')}, /* HB_SCRIPT_LIMBU */ hb_tag_t *script_tag_2)
{HB_TAG('o','s','m','a')}, /* HB_SCRIPT_OSMANYA */
{HB_TAG('s','h','a','w')}, /* HB_SCRIPT_SHAVIAN */
{HB_TAG('l','i','n','b')}, /* HB_SCRIPT_LINEAR_B */
{HB_TAG('t','a','l','e')}, /* HB_SCRIPT_TAI_LE */
{HB_TAG('u','g','a','r')}, /* HB_SCRIPT_UGARITIC */
/* Unicode-4.1 additions */
{HB_TAG('t','a','l','u')}, /* HB_SCRIPT_NEW_TAI_LUE */
{HB_TAG('b','u','g','i')}, /* HB_SCRIPT_BUGINESE */
{HB_TAG('g','l','a','g')}, /* HB_SCRIPT_GLAGOLITIC */
{HB_TAG('t','f','n','g')}, /* HB_SCRIPT_TIFINAGH */
{HB_TAG('s','y','l','o')}, /* HB_SCRIPT_SYLOTI_NAGRI */
{HB_TAG('x','p','e','o')}, /* HB_SCRIPT_OLD_PERSIAN */
{HB_TAG('k','h','a','r')}, /* HB_SCRIPT_KHAROSHTHI */
/* Unicode-5.0 additions */
{HB_TAG('D','F','L','T')}, /* HB_SCRIPT_UNKNOWN */
{HB_TAG('b','a','l','i')}, /* HB_SCRIPT_BALINESE */
{HB_TAG('x','s','u','x')}, /* HB_SCRIPT_CUNEIFORM */
{HB_TAG('p','h','n','x')}, /* HB_SCRIPT_PHOENICIAN */
{HB_TAG('p','h','a','g')}, /* HB_SCRIPT_PHAGS_PA */
{HB_TAG('n','k','o',' ')}, /* HB_SCRIPT_NKO */
/* Unicode-5.1 additions */
{HB_TAG('k','a','l','i')}, /* HB_SCRIPT_KAYAH_LI */
{HB_TAG('l','e','p','c')}, /* HB_SCRIPT_LEPCHA */
{HB_TAG('r','j','n','g')}, /* HB_SCRIPT_REJANG */
{HB_TAG('s','u','n','d')}, /* HB_SCRIPT_SUNDANESE */
{HB_TAG('s','a','u','r')}, /* HB_SCRIPT_SAURASHTRA */
{HB_TAG('c','h','a','m')}, /* HB_SCRIPT_CHAM */
{HB_TAG('o','l','c','k')}, /* HB_SCRIPT_OL_CHIKI */
{HB_TAG('v','a','i',' ')}, /* HB_SCRIPT_VAI */
{HB_TAG('c','a','r','i')}, /* HB_SCRIPT_CARIAN */
{HB_TAG('l','y','c','i')}, /* HB_SCRIPT_LYCIAN */
{HB_TAG('l','y','d','i')}, /* HB_SCRIPT_LYDIAN */
/* Unicode-5.2 additions */
{HB_TAG('a','v','s','t')}, /* HB_SCRIPT_AVESTAN */
{HB_TAG('b','a','m','u')}, /* HB_SCRIPT_BAMUM */
{HB_TAG('e','g','y','p')}, /* HB_SCRIPT_EGYPTIAN_HIEROGLYPHS */
{HB_TAG('a','r','m','i')}, /* HB_SCRIPT_IMPERIAL_ARAMAIC */
{HB_TAG('p','h','l','i')}, /* HB_SCRIPT_INSCRIPTIONAL_PAHLAVI */
{HB_TAG('p','r','t','i')}, /* HB_SCRIPT_INSCRIPTIONAL_PARTHIAN */
{HB_TAG('j','a','v','a')}, /* HB_SCRIPT_JAVANESE */
{HB_TAG('k','t','h','i')}, /* HB_SCRIPT_KAITHI */
{HB_TAG('l','i','s','u')}, /* HB_SCRIPT_LISU */
{HB_TAG('m','y','e','i')}, /* HB_SCRIPT_MEETEI_MAYEK */
{HB_TAG('s','a','r','b')}, /* HB_SCRIPT_OLD_SOUTH_ARABIAN */
{HB_TAG('o','r','k','h')}, /* HB_SCRIPT_OLD_TURKIC */
{HB_TAG('s','a','m','r')}, /* HB_SCRIPT_SAMARITAN */
{HB_TAG('l','a','n','a')}, /* HB_SCRIPT_TAI_THAM */
{HB_TAG('t','a','v','t')}, /* HB_SCRIPT_TAI_VIET */
/* Unicode-6.0 additions */
{HB_TAG('b','a','t','k')}, /* HB_SCRIPT_BATAK */
{HB_TAG('b','r','a','h')}, /* HB_SCRIPT_BRAHMI */
{HB_TAG('m','a','n','d')} /* HB_SCRIPT_MANDAIC */
};
const hb_tag_t *
hb_ot_tags_from_script (hb_script_t script)
{ {
static const hb_tag_t def_tag[] = {HB_OT_TAG_DEFAULT_SCRIPT, HB_TAG_NONE}; hb_tag_t new_tag;
/* XXX Handle non-enum scripts */ *script_tag_2 = HB_TAG_NONE;
*script_tag_1 = hb_ot_old_tag_from_script (script);
if (unlikely ((unsigned int) script >= ARRAY_LENGTH (ot_scripts))) new_tag = hb_ot_new_tag_from_script (script);
return def_tag; if (unlikely (new_tag != HB_TAG_NONE)) {
*script_tag_2 = *script_tag_1;
return ot_scripts[script]; *script_tag_1 = new_tag;
}
} }
hb_script_t hb_script_t
hb_ot_tag_to_script (hb_tag_t tag) hb_ot_tag_to_script (hb_tag_t tag)
{ {
int i; if (unlikely ((tag & 0x000000FF) == '2'))
return hb_ot_new_tag_to_script (tag);
for (i = 0; i < ARRAY_LENGTH (ot_scripts); i++) { return hb_ot_old_tag_to_script (tag);
const hb_tag_t *p;
for (p = ot_scripts[i]; *p; p++)
if (tag == *p)
return i;
} }
/* XXX Convert to non-enum scripts */
return HB_SCRIPT_UNKNOWN; /* hb_language_t */
}
typedef struct { typedef struct {
char language[6]; char language[6];

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@ -35,8 +35,10 @@ HB_BEGIN_DECLS
#define HB_OT_TAG_DEFAULT_SCRIPT HB_TAG ('D', 'F', 'L', 'T') #define HB_OT_TAG_DEFAULT_SCRIPT HB_TAG ('D', 'F', 'L', 'T')
#define HB_OT_TAG_DEFAULT_LANGUAGE HB_TAG ('d', 'f', 'l', 't') #define HB_OT_TAG_DEFAULT_LANGUAGE HB_TAG ('d', 'f', 'l', 't')
const hb_tag_t * void
hb_ot_tags_from_script (hb_script_t script); hb_ot_tags_from_script (hb_script_t script,
hb_tag_t *script_tag_1,
hb_tag_t *script_tag_2);
hb_script_t hb_script_t
hb_ot_tag_to_script (hb_tag_t tag); hb_ot_tag_to_script (hb_tag_t tag);

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@ -78,7 +78,9 @@ hb_shape (hb_font_t *font,
unsigned int count = buffer->len; unsigned int count = buffer->len;
for (unsigned int i = 0; i < count; i++) { for (unsigned int i = 0; i < count; i++) {
hb_script_t script = get_script (buffer->info[i].codepoint); hb_script_t script = get_script (buffer->info[i].codepoint);
if (likely (script > HB_SCRIPT_INHERITED)) { if (likely (script != HB_SCRIPT_COMMON &&
script != HB_SCRIPT_INHERITED &&
script != HB_SCRIPT_UNKNOWN)) {
buffer->props.script = script; buffer->props.script = script;
break; break;
} }

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@ -108,7 +108,7 @@ test_types_script (void)
hb_tag_t x123 = HB_TAG_CHAR4 ("x123"); hb_tag_t x123 = HB_TAG_CHAR4 ("x123");
g_assert_cmpint ((signed) HB_SCRIPT_INVALID, ==, -1); g_assert_cmpint ((hb_tag_t) HB_SCRIPT_INVALID, ==, HB_TAG_NONE);
g_assert_cmphex (HB_SCRIPT_ARABIC, !=, HB_SCRIPT_LATIN); g_assert_cmphex (HB_SCRIPT_ARABIC, !=, HB_SCRIPT_LATIN);
g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_iso15924_tag (arab)); g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_iso15924_tag (arab));