[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
parent
c0af193c8e
commit
62879eebd9
411
src/hb-common.c
411
src/hb-common.c
@ -143,253 +143,22 @@ hb_language_to_string (hb_language_t language)
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/* hb_script_t */
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static const hb_tag_t script_to_iso15924_tag[] =
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{
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HB_TAG('Z','y','y','y'), /* HB_SCRIPT_COMMON */
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HB_TAG('Q','a','a','i'), /* HB_SCRIPT_INHERITED */
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HB_TAG('A','r','a','b'), /* HB_SCRIPT_ARABIC */
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HB_TAG('A','r','m','n'), /* HB_SCRIPT_ARMENIAN */
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HB_TAG('B','e','n','g'), /* HB_SCRIPT_BENGALI */
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HB_TAG('B','o','p','o'), /* HB_SCRIPT_BOPOMOFO */
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HB_TAG('C','h','e','r'), /* HB_SCRIPT_CHEROKEE */
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HB_TAG('Q','a','a','c'), /* HB_SCRIPT_COPTIC */
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HB_TAG('C','y','r','l'), /* HB_SCRIPT_CYRILLIC */
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HB_TAG('D','s','r','t'), /* HB_SCRIPT_DESERET */
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HB_TAG('D','e','v','a'), /* HB_SCRIPT_DEVANAGARI */
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HB_TAG('E','t','h','i'), /* HB_SCRIPT_ETHIOPIC */
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HB_TAG('G','e','o','r'), /* HB_SCRIPT_GEORGIAN */
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HB_TAG('G','o','t','h'), /* HB_SCRIPT_GOTHIC */
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HB_TAG('G','r','e','k'), /* HB_SCRIPT_GREEK */
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HB_TAG('G','u','j','r'), /* HB_SCRIPT_GUJARATI */
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HB_TAG('G','u','r','u'), /* HB_SCRIPT_GURMUKHI */
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HB_TAG('H','a','n','i'), /* HB_SCRIPT_HAN */
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HB_TAG('H','a','n','g'), /* HB_SCRIPT_HANGUL */
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HB_TAG('H','e','b','r'), /* HB_SCRIPT_HEBREW */
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HB_TAG('H','i','r','a'), /* HB_SCRIPT_HIRAGANA */
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HB_TAG('K','n','d','a'), /* HB_SCRIPT_KANNADA */
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HB_TAG('K','a','n','a'), /* HB_SCRIPT_KATAKANA */
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HB_TAG('K','h','m','r'), /* HB_SCRIPT_KHMER */
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HB_TAG('L','a','o','o'), /* HB_SCRIPT_LAO */
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HB_TAG('L','a','t','n'), /* HB_SCRIPT_LATIN */
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HB_TAG('M','l','y','m'), /* HB_SCRIPT_MALAYALAM */
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HB_TAG('M','o','n','g'), /* HB_SCRIPT_MONGOLIAN */
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HB_TAG('M','y','m','r'), /* HB_SCRIPT_MYANMAR */
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HB_TAG('O','g','a','m'), /* HB_SCRIPT_OGHAM */
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HB_TAG('I','t','a','l'), /* HB_SCRIPT_OLD_ITALIC */
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HB_TAG('O','r','y','a'), /* HB_SCRIPT_ORIYA */
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HB_TAG('R','u','n','r'), /* HB_SCRIPT_RUNIC */
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HB_TAG('S','i','n','h'), /* HB_SCRIPT_SINHALA */
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HB_TAG('S','y','r','c'), /* HB_SCRIPT_SYRIAC */
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HB_TAG('T','a','m','l'), /* HB_SCRIPT_TAMIL */
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HB_TAG('T','e','l','u'), /* HB_SCRIPT_TELUGU */
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HB_TAG('T','h','a','a'), /* HB_SCRIPT_THAANA */
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HB_TAG('T','h','a','i'), /* HB_SCRIPT_THAI */
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HB_TAG('T','i','b','t'), /* HB_SCRIPT_TIBETAN */
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HB_TAG('C','a','n','s'), /* HB_SCRIPT_CANADIAN_ABORIGINAL */
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HB_TAG('Y','i','i','i'), /* HB_SCRIPT_YI */
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HB_TAG('T','g','l','g'), /* HB_SCRIPT_TAGALOG */
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HB_TAG('H','a','n','o'), /* HB_SCRIPT_HANUNOO */
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HB_TAG('B','u','h','d'), /* HB_SCRIPT_BUHID */
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HB_TAG('T','a','g','b'), /* HB_SCRIPT_TAGBANWA */
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/* Unicode-4.0 additions */
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HB_TAG('B','r','a','i'), /* HB_SCRIPT_BRAILLE */
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HB_TAG('C','p','r','t'), /* HB_SCRIPT_CYPRIOT */
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HB_TAG('L','i','m','b'), /* HB_SCRIPT_LIMBU */
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HB_TAG('O','s','m','a'), /* HB_SCRIPT_OSMANYA */
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HB_TAG('S','h','a','w'), /* HB_SCRIPT_SHAVIAN */
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HB_TAG('L','i','n','b'), /* HB_SCRIPT_LINEAR_B */
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HB_TAG('T','a','l','e'), /* HB_SCRIPT_TAI_LE */
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HB_TAG('U','g','a','r'), /* HB_SCRIPT_UGARITIC */
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/* Unicode-4.1 additions */
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HB_TAG('T','a','l','u'), /* HB_SCRIPT_NEW_TAI_LUE */
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HB_TAG('B','u','g','i'), /* HB_SCRIPT_BUGINESE */
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HB_TAG('G','l','a','g'), /* HB_SCRIPT_GLAGOLITIC */
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HB_TAG('T','f','n','g'), /* HB_SCRIPT_TIFINAGH */
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HB_TAG('S','y','l','o'), /* HB_SCRIPT_SYLOTI_NAGRI */
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HB_TAG('X','p','e','o'), /* HB_SCRIPT_OLD_PERSIAN */
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HB_TAG('K','h','a','r'), /* HB_SCRIPT_KHAROSHTHI */
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/* Unicode-5.0 additions */
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HB_TAG('Z','z','z','z'), /* HB_SCRIPT_UNKNOWN */
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HB_TAG('B','a','l','i'), /* HB_SCRIPT_BALINESE */
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HB_TAG('X','s','u','x'), /* HB_SCRIPT_CUNEIFORM */
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HB_TAG('P','h','n','x'), /* HB_SCRIPT_PHOENICIAN */
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HB_TAG('P','h','a','g'), /* HB_SCRIPT_PHAGS_PA */
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HB_TAG('N','k','o','o'), /* HB_SCRIPT_NKO */
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/* Unicode-5.1 additions */
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HB_TAG('K','a','l','i'), /* HB_SCRIPT_KAYAH_LI */
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HB_TAG('L','e','p','c'), /* HB_SCRIPT_LEPCHA */
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HB_TAG('R','j','n','g'), /* HB_SCRIPT_REJANG */
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HB_TAG('S','u','n','d'), /* HB_SCRIPT_SUNDANESE */
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HB_TAG('S','a','u','r'), /* HB_SCRIPT_SAURASHTRA */
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HB_TAG('C','h','a','m'), /* HB_SCRIPT_CHAM */
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HB_TAG('O','l','c','k'), /* HB_SCRIPT_OL_CHIKI */
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HB_TAG('V','a','i','i'), /* HB_SCRIPT_VAI */
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HB_TAG('C','a','r','i'), /* HB_SCRIPT_CARIAN */
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HB_TAG('L','y','c','i'), /* HB_SCRIPT_LYCIAN */
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HB_TAG('L','y','d','i'), /* HB_SCRIPT_LYDIAN */
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/* Unicode-5.2 additions */
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HB_TAG('A','v','s','t'), /* HB_SCRIPT_AVESTAN */
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HB_TAG('B','a','m','u'), /* HB_SCRIPT_BAMUM */
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HB_TAG('E','g','y','p'), /* HB_SCRIPT_EGYPTIAN_HIEROGLYPHS */
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HB_TAG('A','r','m','i'), /* HB_SCRIPT_IMPERIAL_ARAMAIC */
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HB_TAG('P','h','l','i'), /* HB_SCRIPT_INSCRIPTIONAL_PAHLAVI */
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HB_TAG('P','r','t','i'), /* HB_SCRIPT_INSCRIPTIONAL_PARTHIAN */
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HB_TAG('J','a','v','a'), /* HB_SCRIPT_JAVANESE */
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HB_TAG('K','t','h','i'), /* HB_SCRIPT_KAITHI */
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HB_TAG('L','i','s','u'), /* HB_SCRIPT_LISU */
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HB_TAG('M','t','e','i'), /* HB_SCRIPT_MEETEI_MAYEK */
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HB_TAG('S','a','r','b'), /* HB_SCRIPT_OLD_SOUTH_ARABIAN */
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HB_TAG('O','r','k','h'), /* HB_SCRIPT_OLD_TURKIC */
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HB_TAG('S','a','m','r'), /* HB_SCRIPT_SAMARITAN */
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HB_TAG('L','a','n','a'), /* HB_SCRIPT_TAI_THAM */
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HB_TAG('T','a','v','t'), /* HB_SCRIPT_TAI_VIET */
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/* Unicode-6.0 additions */
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HB_TAG('B','a','t','k'), /* HB_SCRIPT_BATAK */
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HB_TAG('B','r','a','h'), /* HB_SCRIPT_BRAHMI */
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HB_TAG('M','a','n','d') /* HB_SCRIPT_MANDAIC */
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};
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struct tag_script_pair {
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hb_tag_t tag;
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hb_script_t script;
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};
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static const struct tag_script_pair script_from_iso15924_tag[] =
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{
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{HB_TAG('A','r','a','b'), HB_SCRIPT_ARABIC},
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{HB_TAG('A','r','m','i'), HB_SCRIPT_IMPERIAL_ARAMAIC},
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{HB_TAG('A','r','m','n'), HB_SCRIPT_ARMENIAN},
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{HB_TAG('A','v','s','t'), HB_SCRIPT_AVESTAN},
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{HB_TAG('B','a','l','i'), HB_SCRIPT_BALINESE},
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{HB_TAG('B','a','m','u'), HB_SCRIPT_BAMUM},
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{HB_TAG('B','a','t','k'), HB_SCRIPT_BATAK},
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{HB_TAG('B','e','n','g'), HB_SCRIPT_BENGALI},
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{HB_TAG('B','o','p','o'), HB_SCRIPT_BOPOMOFO},
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{HB_TAG('B','r','a','h'), HB_SCRIPT_BRAHMI},
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{HB_TAG('B','r','a','i'), HB_SCRIPT_BRAILLE},
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{HB_TAG('B','u','g','i'), HB_SCRIPT_BUGINESE},
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{HB_TAG('B','u','h','d'), HB_SCRIPT_BUHID},
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{HB_TAG('C','a','n','s'), HB_SCRIPT_CANADIAN_ABORIGINAL},
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{HB_TAG('C','a','r','i'), HB_SCRIPT_CARIAN},
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{HB_TAG('C','h','a','m'), HB_SCRIPT_CHAM},
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{HB_TAG('C','h','e','r'), HB_SCRIPT_CHEROKEE},
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{HB_TAG('C','p','r','t'), HB_SCRIPT_CYPRIOT},
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{HB_TAG('C','y','r','l'), HB_SCRIPT_CYRILLIC},
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{HB_TAG('C','y','r','s'), HB_SCRIPT_CYRILLIC},
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{HB_TAG('D','e','v','a'), HB_SCRIPT_DEVANAGARI},
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{HB_TAG('D','s','r','t'), HB_SCRIPT_DESERET},
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{HB_TAG('E','g','y','p'), HB_SCRIPT_EGYPTIAN_HIEROGLYPHS},
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{HB_TAG('E','t','h','i'), HB_SCRIPT_ETHIOPIC},
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{HB_TAG('G','e','o','a'), HB_SCRIPT_GEORGIAN},
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{HB_TAG('G','e','o','n'), HB_SCRIPT_GEORGIAN},
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{HB_TAG('G','e','o','r'), HB_SCRIPT_GEORGIAN},
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{HB_TAG('G','l','a','g'), HB_SCRIPT_GLAGOLITIC},
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{HB_TAG('G','o','t','h'), HB_SCRIPT_GOTHIC},
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{HB_TAG('G','r','e','k'), HB_SCRIPT_GREEK},
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{HB_TAG('G','u','j','r'), HB_SCRIPT_GUJARATI},
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{HB_TAG('G','u','r','u'), HB_SCRIPT_GURMUKHI},
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{HB_TAG('H','a','n','g'), HB_SCRIPT_HANGUL},
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{HB_TAG('H','a','n','i'), HB_SCRIPT_HAN},
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{HB_TAG('H','a','n','o'), HB_SCRIPT_HANUNOO},
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{HB_TAG('H','e','b','r'), HB_SCRIPT_HEBREW},
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{HB_TAG('H','i','r','a'), HB_SCRIPT_HIRAGANA},
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{HB_TAG('I','t','a','l'), HB_SCRIPT_OLD_ITALIC},
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{HB_TAG('J','a','v','a'), HB_SCRIPT_JAVANESE},
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{HB_TAG('K','a','l','i'), HB_SCRIPT_KAYAH_LI},
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{HB_TAG('K','a','n','a'), HB_SCRIPT_KATAKANA},
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{HB_TAG('K','h','a','r'), HB_SCRIPT_KHAROSHTHI},
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{HB_TAG('K','h','m','r'), HB_SCRIPT_KHMER},
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{HB_TAG('K','n','d','a'), HB_SCRIPT_KANNADA},
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{HB_TAG('K','t','h','i'), HB_SCRIPT_KAITHI},
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{HB_TAG('L','a','n','a'), HB_SCRIPT_TAI_THAM},
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{HB_TAG('L','a','o','o'), HB_SCRIPT_LAO},
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{HB_TAG('L','a','t','f'), HB_SCRIPT_LATIN},
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{HB_TAG('L','a','t','g'), HB_SCRIPT_LATIN},
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{HB_TAG('L','a','t','n'), HB_SCRIPT_LATIN},
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{HB_TAG('L','e','p','c'), HB_SCRIPT_LEPCHA},
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{HB_TAG('L','i','m','b'), HB_SCRIPT_LIMBU},
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{HB_TAG('L','i','n','b'), HB_SCRIPT_LINEAR_B},
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{HB_TAG('L','i','s','u'), HB_SCRIPT_LISU},
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{HB_TAG('L','y','c','i'), HB_SCRIPT_LYCIAN},
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{HB_TAG('L','y','d','i'), HB_SCRIPT_LYDIAN},
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{HB_TAG('M','a','n','d'), HB_SCRIPT_MANDAIC},
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{HB_TAG('M','l','y','m'), HB_SCRIPT_MALAYALAM},
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{HB_TAG('M','o','n','g'), HB_SCRIPT_MONGOLIAN},
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{HB_TAG('M','t','e','i'), HB_SCRIPT_MEETEI_MAYEK},
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{HB_TAG('M','y','m','r'), HB_SCRIPT_MYANMAR},
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{HB_TAG('N','k','o','o'), HB_SCRIPT_NKO},
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{HB_TAG('O','g','a','m'), HB_SCRIPT_OGHAM},
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{HB_TAG('O','l','c','k'), HB_SCRIPT_OL_CHIKI},
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{HB_TAG('O','r','k','h'), HB_SCRIPT_OLD_TURKIC},
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{HB_TAG('O','r','y','a'), HB_SCRIPT_ORIYA},
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{HB_TAG('O','s','m','a'), HB_SCRIPT_OSMANYA},
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{HB_TAG('P','h','a','g'), HB_SCRIPT_PHAGS_PA},
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{HB_TAG('P','h','l','i'), HB_SCRIPT_INSCRIPTIONAL_PAHLAVI},
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{HB_TAG('P','h','n','x'), HB_SCRIPT_PHOENICIAN},
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{HB_TAG('P','r','t','i'), HB_SCRIPT_INSCRIPTIONAL_PARTHIAN},
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{HB_TAG('Q','a','a','c'), HB_SCRIPT_COPTIC},
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{HB_TAG('Q','a','a','i'), HB_SCRIPT_INHERITED},
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{HB_TAG('R','j','n','g'), HB_SCRIPT_REJANG},
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{HB_TAG('R','u','n','r'), HB_SCRIPT_RUNIC},
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{HB_TAG('S','a','m','r'), HB_SCRIPT_SAMARITAN},
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{HB_TAG('S','a','r','b'), HB_SCRIPT_OLD_SOUTH_ARABIAN},
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{HB_TAG('S','a','u','r'), HB_SCRIPT_SAURASHTRA},
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{HB_TAG('S','h','a','w'), HB_SCRIPT_SHAVIAN},
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{HB_TAG('S','i','n','h'), HB_SCRIPT_SINHALA},
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{HB_TAG('S','u','n','d'), HB_SCRIPT_SUNDANESE},
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{HB_TAG('S','y','l','o'), HB_SCRIPT_SYLOTI_NAGRI},
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{HB_TAG('S','y','r','c'), HB_SCRIPT_SYRIAC},
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{HB_TAG('S','y','r','e'), HB_SCRIPT_SYRIAC},
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{HB_TAG('S','y','r','n'), HB_SCRIPT_SYRIAC},
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{HB_TAG('T','a','g','b'), HB_SCRIPT_TAGBANWA},
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{HB_TAG('T','a','l','e'), HB_SCRIPT_TAI_LE},
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{HB_TAG('T','a','l','u'), HB_SCRIPT_NEW_TAI_LUE},
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{HB_TAG('T','a','m','l'), HB_SCRIPT_TAMIL},
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{HB_TAG('T','a','v','t'), HB_SCRIPT_TAI_VIET},
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{HB_TAG('T','e','l','u'), HB_SCRIPT_TELUGU},
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{HB_TAG('T','f','n','g'), HB_SCRIPT_TIFINAGH},
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{HB_TAG('T','g','l','g'), HB_SCRIPT_TAGALOG},
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{HB_TAG('T','h','a','a'), HB_SCRIPT_THAANA},
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{HB_TAG('T','h','a','i'), HB_SCRIPT_THAI},
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{HB_TAG('T','i','b','t'), HB_SCRIPT_TIBETAN},
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{HB_TAG('U','g','a','r'), HB_SCRIPT_UGARITIC},
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{HB_TAG('V','a','i','i'), HB_SCRIPT_VAI},
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{HB_TAG('X','p','e','o'), HB_SCRIPT_OLD_PERSIAN},
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{HB_TAG('X','s','u','x'), HB_SCRIPT_CUNEIFORM},
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{HB_TAG('Y','i','i','i'), HB_SCRIPT_YI},
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{HB_TAG('Z','y','y','y'), HB_SCRIPT_COMMON},
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{HB_TAG('Z','z','z','z'), HB_SCRIPT_UNKNOWN}
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};
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static int
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_tag_cmp (hb_tag_t *pa, hb_tag_t *pb)
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{
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hb_tag_t a = *pa, b = *pb;
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return a < b ? -1 : a == b ? 0 : +1;
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}
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hb_script_t
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hb_script_from_iso15924_tag (hb_tag_t tag)
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{
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const struct tag_script_pair *pair;
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/* Be lenient, adjust case (one capital letter followed by three small letters) */
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tag = (tag & 0xDFDFDFDF) | 0x00202020;
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pair = (const struct tag_script_pair *) bsearch (&tag,
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script_from_iso15924_tag,
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ARRAY_LENGTH (script_from_iso15924_tag),
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sizeof (script_from_iso15924_tag[0]),
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(hb_compare_func_t) _tag_cmp);
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if (pair)
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return pair->script;
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switch (tag) {
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case HB_TAG('C','y','r','s'): return HB_SCRIPT_CYRILLIC;
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case HB_TAG('G','e','o','a'): return HB_SCRIPT_GEORGIAN;
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case HB_TAG('G','e','o','n'): return HB_SCRIPT_GEORGIAN;
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case HB_TAG('L','a','t','f'): return HB_SCRIPT_LATIN;
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case HB_TAG('L','a','t','g'): return HB_SCRIPT_LATIN;
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case HB_TAG('S','y','r','e'): return HB_SCRIPT_SYRIAC;
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case HB_TAG('S','y','r','j'): return HB_SCRIPT_SYRIAC;
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case HB_TAG('S','y','r','n'): return HB_SCRIPT_SYRIAC;
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}
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/* If it looks right, just use the tag as a script */
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if (((uint32_t) tag & 0xE0E0E0E0) == 0x40606060)
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@ -408,142 +177,42 @@ hb_script_from_string (const char *s)
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hb_tag_t
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hb_script_to_iso15924_tag (hb_script_t script)
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{
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if (likely ((unsigned int) script < ARRAY_LENGTH (script_to_iso15924_tag)))
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return script_to_iso15924_tag[script];
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/* if script is of the right shape (one capital letter followed by three small letters),
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* return as is. */
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if (((uint32_t) script & 0xE0E0E0E0) == 0x40606060)
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return (hb_tag_t) script;
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/* Otherwise, we don't know what that is */
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return script_to_iso15924_tag[HB_SCRIPT_UNKNOWN];
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return (hb_tag_t) script;
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}
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#define LTR HB_DIRECTION_LTR
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#define RTL HB_DIRECTION_RTL
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const hb_direction_t horiz_dir[] =
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{
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LTR, /* Zyyy */
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LTR, /* Qaai */
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RTL, /* Arab */
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LTR, /* Armn */
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LTR, /* Beng */
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LTR, /* Bopo */
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LTR, /* Cher */
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LTR, /* Qaac */
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LTR, /* Cyrl (Cyrs) */
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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_script_get_horizontal_direction (hb_script_t script)
|
||||
{
|
||||
if (unlikely ((unsigned int) script >= ARRAY_LENGTH (horiz_dir)))
|
||||
return HB_DIRECTION_LTR;
|
||||
switch ((hb_tag_t) script)
|
||||
{
|
||||
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;
|
||||
}
|
||||
|
||||
|
||||
|
||||
199
src/hb-common.h
199
src/hb-common.h
@ -148,117 +148,118 @@ typedef enum
|
||||
/* hb_script_t */
|
||||
|
||||
typedef enum
|
||||
{ /* ISO 15924 code */
|
||||
HB_SCRIPT_INVALID = -1,
|
||||
|
||||
HB_SCRIPT_COMMON = 0, /* Zyyy */
|
||||
HB_SCRIPT_INHERITED, /* Qaai */
|
||||
HB_SCRIPT_ARABIC, /* Arab */
|
||||
HB_SCRIPT_ARMENIAN, /* Armn */
|
||||
HB_SCRIPT_BENGALI, /* Beng */
|
||||
HB_SCRIPT_BOPOMOFO, /* Bopo */
|
||||
HB_SCRIPT_CHEROKEE, /* Cher */
|
||||
HB_SCRIPT_COPTIC, /* Qaac */
|
||||
HB_SCRIPT_CYRILLIC, /* Cyrl (Cyrs) */
|
||||
HB_SCRIPT_DESERET, /* Dsrt */
|
||||
HB_SCRIPT_DEVANAGARI, /* Deva */
|
||||
HB_SCRIPT_ETHIOPIC, /* Ethi */
|
||||
HB_SCRIPT_GEORGIAN, /* Geor (Geon, Geoa) */
|
||||
HB_SCRIPT_GOTHIC, /* Goth */
|
||||
HB_SCRIPT_GREEK, /* Grek */
|
||||
HB_SCRIPT_GUJARATI, /* Gujr */
|
||||
HB_SCRIPT_GURMUKHI, /* Guru */
|
||||
HB_SCRIPT_HAN, /* Hani */
|
||||
HB_SCRIPT_HANGUL, /* Hang */
|
||||
HB_SCRIPT_HEBREW, /* Hebr */
|
||||
HB_SCRIPT_HIRAGANA, /* Hira */
|
||||
HB_SCRIPT_KANNADA, /* Knda */
|
||||
HB_SCRIPT_KATAKANA, /* Kana */
|
||||
HB_SCRIPT_KHMER, /* Khmr */
|
||||
HB_SCRIPT_LAO, /* Laoo */
|
||||
HB_SCRIPT_LATIN, /* Latn (Latf, Latg) */
|
||||
HB_SCRIPT_MALAYALAM, /* Mlym */
|
||||
HB_SCRIPT_MONGOLIAN, /* Mong */
|
||||
HB_SCRIPT_MYANMAR, /* Mymr */
|
||||
HB_SCRIPT_OGHAM, /* Ogam */
|
||||
HB_SCRIPT_OLD_ITALIC, /* Ital */
|
||||
HB_SCRIPT_ORIYA, /* Orya */
|
||||
HB_SCRIPT_RUNIC, /* Runr */
|
||||
HB_SCRIPT_SINHALA, /* Sinh */
|
||||
HB_SCRIPT_SYRIAC, /* Syrc (Syrj, Syrn, Syre) */
|
||||
HB_SCRIPT_TAMIL, /* Taml */
|
||||
HB_SCRIPT_TELUGU, /* Telu */
|
||||
HB_SCRIPT_THAANA, /* Thaa */
|
||||
HB_SCRIPT_THAI, /* Thai */
|
||||
HB_SCRIPT_TIBETAN, /* Tibt */
|
||||
HB_SCRIPT_CANADIAN_ABORIGINAL, /* Cans */
|
||||
HB_SCRIPT_YI, /* Yiii */
|
||||
HB_SCRIPT_TAGALOG, /* Tglg */
|
||||
HB_SCRIPT_HANUNOO, /* Hano */
|
||||
HB_SCRIPT_BUHID, /* Buhd */
|
||||
HB_SCRIPT_TAGBANWA, /* Tagb */
|
||||
{
|
||||
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, /* Brai */
|
||||
HB_SCRIPT_CYPRIOT, /* Cprt */
|
||||
HB_SCRIPT_LIMBU, /* Limb */
|
||||
HB_SCRIPT_OSMANYA, /* Osma */
|
||||
HB_SCRIPT_SHAVIAN, /* Shaw */
|
||||
HB_SCRIPT_LINEAR_B, /* Linb */
|
||||
HB_SCRIPT_TAI_LE, /* Tale */
|
||||
HB_SCRIPT_UGARITIC, /* Ugar */
|
||||
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, /* Talu */
|
||||
HB_SCRIPT_BUGINESE, /* Bugi */
|
||||
HB_SCRIPT_GLAGOLITIC, /* Glag */
|
||||
HB_SCRIPT_TIFINAGH, /* Tfng */
|
||||
HB_SCRIPT_SYLOTI_NAGRI, /* Sylo */
|
||||
HB_SCRIPT_OLD_PERSIAN, /* Xpeo */
|
||||
HB_SCRIPT_KHAROSHTHI, /* Khar */
|
||||
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, /* Zzzz */
|
||||
HB_SCRIPT_BALINESE, /* Bali */
|
||||
HB_SCRIPT_CUNEIFORM, /* Xsux */
|
||||
HB_SCRIPT_PHOENICIAN, /* Phnx */
|
||||
HB_SCRIPT_PHAGS_PA, /* Phag */
|
||||
HB_SCRIPT_NKO, /* Nkoo */
|
||||
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, /* Kali */
|
||||
HB_SCRIPT_LEPCHA, /* Lepc */
|
||||
HB_SCRIPT_REJANG, /* Rjng */
|
||||
HB_SCRIPT_SUNDANESE, /* Sund */
|
||||
HB_SCRIPT_SAURASHTRA, /* Saur */
|
||||
HB_SCRIPT_CHAM, /* Cham */
|
||||
HB_SCRIPT_OL_CHIKI, /* Olck */
|
||||
HB_SCRIPT_VAI, /* Vaii */
|
||||
HB_SCRIPT_CARIAN, /* Cari */
|
||||
HB_SCRIPT_LYCIAN, /* Lyci */
|
||||
HB_SCRIPT_LYDIAN, /* Lydi */
|
||||
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, /* Avst */
|
||||
HB_SCRIPT_BAMUM, /* Bamu */
|
||||
HB_SCRIPT_EGYPTIAN_HIEROGLYPHS, /* Egyp */
|
||||
HB_SCRIPT_IMPERIAL_ARAMAIC, /* Armi */
|
||||
HB_SCRIPT_INSCRIPTIONAL_PAHLAVI, /* Phli */
|
||||
HB_SCRIPT_INSCRIPTIONAL_PARTHIAN, /* Prti */
|
||||
HB_SCRIPT_JAVANESE, /* Java */
|
||||
HB_SCRIPT_KAITHI, /* Kthi */
|
||||
HB_SCRIPT_LISU, /* Lisu */
|
||||
HB_SCRIPT_MEETEI_MAYEK, /* Mtei */
|
||||
HB_SCRIPT_OLD_SOUTH_ARABIAN, /* Sarb */
|
||||
HB_SCRIPT_OLD_TURKIC, /* Orkh */
|
||||
HB_SCRIPT_SAMARITAN, /* Samr */
|
||||
HB_SCRIPT_TAI_THAM, /* Lana */
|
||||
HB_SCRIPT_TAI_VIET, /* Tavt */
|
||||
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, /* Batk */
|
||||
HB_SCRIPT_BRAHMI, /* Brah */
|
||||
HB_SCRIPT_MANDAIC /* Mand */
|
||||
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;
|
||||
|
||||
|
||||
|
||||
@ -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
|
||||
* 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;
|
||||
|
||||
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);
|
||||
|
||||
unsigned int script_index[2], language_index[2];
|
||||
|
||||
@ -37,7 +37,8 @@ HB_BEGIN_DECLS
|
||||
static inline hb_ot_complex_shaper_t
|
||||
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_NKO:
|
||||
case HB_SCRIPT_SYRIAC:
|
||||
|
||||
230
src/hb-ot-tag.c
230
src/hb-ot-tag.c
@ -32,151 +32,123 @@
|
||||
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:
|
||||
* 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 */
|
||||
{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('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)
|
||||
void
|
||||
hb_ot_tags_from_script (hb_script_t script,
|
||||
hb_tag_t *script_tag_1,
|
||||
hb_tag_t *script_tag_2)
|
||||
{
|
||||
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)))
|
||||
return def_tag;
|
||||
|
||||
return ot_scripts[script];
|
||||
new_tag = hb_ot_new_tag_from_script (script);
|
||||
if (unlikely (new_tag != HB_TAG_NONE)) {
|
||||
*script_tag_2 = *script_tag_1;
|
||||
*script_tag_1 = new_tag;
|
||||
}
|
||||
}
|
||||
|
||||
hb_script_t
|
||||
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++) {
|
||||
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;
|
||||
return hb_ot_old_tag_to_script (tag);
|
||||
}
|
||||
|
||||
|
||||
/* hb_language_t */
|
||||
|
||||
typedef struct {
|
||||
char language[6];
|
||||
hb_tag_t tag;
|
||||
|
||||
@ -35,8 +35,10 @@ HB_BEGIN_DECLS
|
||||
#define HB_OT_TAG_DEFAULT_SCRIPT HB_TAG ('D', 'F', 'L', 'T')
|
||||
#define HB_OT_TAG_DEFAULT_LANGUAGE HB_TAG ('d', 'f', 'l', 't')
|
||||
|
||||
const hb_tag_t *
|
||||
hb_ot_tags_from_script (hb_script_t script);
|
||||
void
|
||||
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_ot_tag_to_script (hb_tag_t tag);
|
||||
|
||||
@ -78,7 +78,9 @@ hb_shape (hb_font_t *font,
|
||||
unsigned int count = buffer->len;
|
||||
for (unsigned int i = 0; i < count; i++) {
|
||||
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;
|
||||
break;
|
||||
}
|
||||
|
||||
@ -108,7 +108,7 @@ test_types_script (void)
|
||||
|
||||
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_from_iso15924_tag (arab));
|
||||
|
||||
Loading…
Reference in New Issue
Block a user