diff options
Diffstat (limited to 'libass/hb-ucdn.h')
| -rw-r--r-- | libass/hb-ucdn.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/libass/hb-ucdn.h b/libass/hb-ucdn.h new file mode 100644 index 0000000..3a4abcd --- /dev/null +++ b/libass/hb-ucdn.h @@ -0,0 +1,198 @@ +/* + * Copyright (C) 2012 Grigori Goronzy <greg@kinoho.net> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <stdlib.h> +#include <hb.h> +#include "ucdn.h" + +static const hb_script_t ucdn_script_translate[] = { + HB_SCRIPT_COMMON, + HB_SCRIPT_LATIN, + HB_SCRIPT_GREEK, + HB_SCRIPT_CYRILLIC, + HB_SCRIPT_ARMENIAN, + HB_SCRIPT_HEBREW, + HB_SCRIPT_ARABIC, + HB_SCRIPT_SYRIAC, + HB_SCRIPT_THAANA, + HB_SCRIPT_DEVANAGARI, + HB_SCRIPT_BENGALI, + HB_SCRIPT_GURMUKHI, + HB_SCRIPT_GUJARATI, + HB_SCRIPT_ORIYA, + HB_SCRIPT_TAMIL, + HB_SCRIPT_TELUGU, + HB_SCRIPT_KANNADA, + HB_SCRIPT_MALAYALAM, + HB_SCRIPT_SINHALA, + HB_SCRIPT_THAI, + HB_SCRIPT_LAO, + HB_SCRIPT_TIBETAN, + HB_SCRIPT_MYANMAR, + HB_SCRIPT_GEORGIAN, + HB_SCRIPT_HANGUL, + HB_SCRIPT_ETHIOPIC, + HB_SCRIPT_CHEROKEE, + HB_SCRIPT_CANADIAN_ABORIGINAL, + HB_SCRIPT_OGHAM, + HB_SCRIPT_RUNIC, + HB_SCRIPT_KHMER, + HB_SCRIPT_MONGOLIAN, + HB_SCRIPT_HIRAGANA, + HB_SCRIPT_KATAKANA, + HB_SCRIPT_BOPOMOFO, + HB_SCRIPT_HAN, + HB_SCRIPT_YI, + HB_SCRIPT_OLD_ITALIC, + HB_SCRIPT_GOTHIC, + HB_SCRIPT_DESERET, + HB_SCRIPT_INHERITED, + HB_SCRIPT_TAGALOG, + HB_SCRIPT_HANUNOO, + HB_SCRIPT_BUHID, + HB_SCRIPT_TAGBANWA, + HB_SCRIPT_LIMBU, + HB_SCRIPT_TAI_LE, + HB_SCRIPT_LINEAR_B, + HB_SCRIPT_UGARITIC, + HB_SCRIPT_SHAVIAN, + HB_SCRIPT_OSMANYA, + HB_SCRIPT_CYPRIOT, + HB_SCRIPT_BRAILLE, + HB_SCRIPT_BUGINESE, + HB_SCRIPT_COPTIC, + HB_SCRIPT_NEW_TAI_LUE, + HB_SCRIPT_GLAGOLITIC, + HB_SCRIPT_TIFINAGH, + HB_SCRIPT_SYLOTI_NAGRI, + HB_SCRIPT_OLD_PERSIAN, + HB_SCRIPT_KHAROSHTHI, + HB_SCRIPT_BALINESE, + HB_SCRIPT_CUNEIFORM, + HB_SCRIPT_PHOENICIAN, + HB_SCRIPT_PHAGS_PA, + HB_SCRIPT_NKO, + HB_SCRIPT_SUNDANESE, + HB_SCRIPT_LEPCHA, + HB_SCRIPT_OL_CHIKI, + HB_SCRIPT_VAI, + HB_SCRIPT_SAURASHTRA, + HB_SCRIPT_KAYAH_LI, + HB_SCRIPT_REJANG, + HB_SCRIPT_LYCIAN, + HB_SCRIPT_CARIAN, + HB_SCRIPT_LYDIAN, + HB_SCRIPT_CHAM, + HB_SCRIPT_TAI_THAM, + HB_SCRIPT_TAI_VIET, + HB_SCRIPT_AVESTAN, + HB_SCRIPT_EGYPTIAN_HIEROGLYPHS, + HB_SCRIPT_SAMARITAN, + HB_SCRIPT_LISU, + HB_SCRIPT_BAMUM, + HB_SCRIPT_JAVANESE, + HB_SCRIPT_MEETEI_MAYEK, + HB_SCRIPT_IMPERIAL_ARAMAIC, + HB_SCRIPT_OLD_SOUTH_ARABIAN, + HB_SCRIPT_INSCRIPTIONAL_PARTHIAN, + HB_SCRIPT_INSCRIPTIONAL_PAHLAVI, + HB_SCRIPT_OLD_TURKIC, + HB_SCRIPT_KAITHI, + HB_SCRIPT_BATAK, + HB_SCRIPT_BRAHMI, + HB_SCRIPT_MANDAIC, + HB_SCRIPT_CHAKMA, + HB_SCRIPT_MEROITIC_CURSIVE, + HB_SCRIPT_MEROITIC_HIEROGLYPHS, + HB_SCRIPT_MIAO, + HB_SCRIPT_SHARADA, + HB_SCRIPT_SORA_SOMPENG, + HB_SCRIPT_TAKRI, + HB_SCRIPT_UNKNOWN, +}; + +static unsigned int +hb_ucdn_combining_class(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, + void *user_data) +{ + return ucdn_get_combining_class(unicode); +} + +static unsigned int +hb_ucdn_eastasian_width(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, + void *user_data) +{ + int w = ucdn_get_east_asian_width(unicode); + return (w == UCDN_EAST_ASIAN_F || w == UCDN_EAST_ASIAN_W) ? 2 : 1; +} + +static hb_unicode_general_category_t +hb_ucdn_general_category(hb_unicode_funcs_t *ufuncs, + hb_codepoint_t unicode, void *user_data) +{ + return (hb_unicode_general_category_t)ucdn_get_general_category(unicode); +} + +static hb_codepoint_t +hb_ucdn_mirror(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, + void *user_data) +{ + return ucdn_mirror(unicode); +} + +static hb_script_t +hb_ucdn_script(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, + void *user_data) +{ + return ucdn_script_translate[ucdn_get_script(unicode)]; +} + +static hb_bool_t +hb_ucdn_compose(hb_unicode_funcs_t *ufuncs, hb_codepoint_t a, + hb_codepoint_t b, hb_codepoint_t *ab, void *user_data) +{ + return ucdn_compose(ab, a, b); +} + +static hb_bool_t +hb_ucdn_decompose(hb_unicode_funcs_t *ufuncs, hb_codepoint_t ab, + hb_codepoint_t *a, hb_codepoint_t *b, void *user_data) +{ + return ucdn_decompose(ab, a, b); +} + +static unsigned int +hb_ucdn_compat_decompose(hb_unicode_funcs_t *ufuncs, hb_codepoint_t u, + hb_codepoint_t *decomposed, void *user_data) +{ + return ucdn_compat_decompose(u, decomposed); +} + +static hb_unicode_funcs_t *hb_ucdn_make_unicode_funcs(void) +{ + hb_unicode_funcs_t *funcs = hb_unicode_funcs_create(NULL); + hb_unicode_funcs_set_combining_class_func(funcs, hb_ucdn_combining_class, NULL, NULL); + hb_unicode_funcs_set_eastasian_width_func(funcs, hb_ucdn_eastasian_width, NULL, NULL); + hb_unicode_funcs_set_general_category_func(funcs, hb_ucdn_general_category, NULL, NULL); + hb_unicode_funcs_set_mirroring_func(funcs, hb_ucdn_mirror, NULL, NULL); + hb_unicode_funcs_set_script_func(funcs, hb_ucdn_script, NULL, NULL); + hb_unicode_funcs_set_compose_func(funcs, hb_ucdn_compose, NULL, NULL); + hb_unicode_funcs_set_decompose_func(funcs, hb_ucdn_decompose, NULL, NULL); + hb_unicode_funcs_set_decompose_compatibility_func(funcs, hb_ucdn_compat_decompose, NULL, NULL); + hb_unicode_funcs_make_immutable(funcs); + + return funcs; +} |