[HB] Start adding Unicode funcs
diff --git a/src/hb-unicode.h b/src/hb-unicode.h new file mode 100644 index 0000000..51b00db --- /dev/null +++ b/src/hb-unicode.h
@@ -0,0 +1,220 @@ +/* + * Copyright (C) 2009 Red Hat, Inc. + * + * This is part of HarfBuzz, an OpenType Layout engine library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + */ + +#ifndef HB_UNICODE_H +#define HB_UNICODE_H + +#include "hb-common.h" + +HB_BEGIN_DECLS + +/* Unicode General Category property */ +typedef enum +{ + HB_CATEGORY_CONTROL, + HB_CATEGORY_FORMAT, + HB_CATEGORY_UNASSIGNED, + HB_CATEGORY_PRIVATE_USE, + HB_CATEGORY_SURROGATE, + HB_CATEGORY_LOWERCASE_LETTER, + HB_CATEGORY_MODIFIER_LETTER, + HB_CATEGORY_OTHER_LETTER, + HB_CATEGORY_TITLECASE_LETTER, + HB_CATEGORY_UPPERCASE_LETTER, + HB_CATEGORY_COMBINING_MARK, + HB_CATEGORY_ENCLOSING_MARK, + HB_CATEGORY_NON_SPACING_MARK, + HB_CATEGORY_DECIMAL_NUMBER, + HB_CATEGORY_LETTER_NUMBER, + HB_CATEGORY_OTHER_NUMBER, + HB_CATEGORY_CONNECT_PUNCTUATION, + HB_CATEGORY_DASH_PUNCTUATION, + HB_CATEGORY_CLOSE_PUNCTUATION, + HB_CATEGORY_FINAL_PUNCTUATION, + HB_CATEGORY_INITIAL_PUNCTUATION, + HB_CATEGORY_OTHER_PUNCTUATION, + HB_CATEGORY_OPEN_PUNCTUATION, + HB_CATEGORY_CURRENCY_SYMBOL, + HB_CATEGORY_MODIFIER_SYMBOL, + HB_CATEGORY_MATH_SYMBOL, + HB_CATEGORY_OTHER_SYMBOL, + HB_CATEGORY_LINE_SEPARATOR, + HB_CATEGORY_PARAGRAPH_SEPARATOR, + HB_CATEGORY_SPACE_SEPARATOR +} hb_category_t; + +/* Unicode Script property */ +typedef enum +{ /* ISO 15924 code */ + HB_SCRIPT_INVALID_CODE = -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 */ + + /* 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 */ + + /* 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 */ + + /* 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 */ + + /* 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_t; + + +/* + * hb_unicode_funcs_t + */ + +typedef struct _hb_unicode_funcs_t hb_unicode_funcs_t; + +hb_unicode_funcs_t * +hb_unicode_funcs_create (void); + +hb_unicode_funcs_t * +hb_unicode_funcs_reference (hb_unicode_funcs_t *ufuncs); + +unsigned int +hb_unicode_funcs_get_reference_count (hb_unicode_funcs_t *ufuncs); + +void +hb_unicode_funcs_destroy (hb_unicode_funcs_t *ufuncs); + +hb_unicode_funcs_t * +hb_unicode_funcs_copy (hb_unicode_funcs_t *ufuncs); + + + +/* funcs */ + +#if 0 +typedef hb_codepoint_t (*hb_unicode_get_mirroring_char_func_t) (hb_codepoint_t unicode); +typedef hb_category_t (*hb_unicode_get_general_category_func_t) (hb_codepoint_t unicode); +typedef hb_script_t (*hb_unicode_get_script_func_t) (hb_codepoint_t unicode); +typedef unsigned int (*hb_unicode_get_combining_class_func_t) (hb_codepoint_t unicode); +typedef unsigned int (*hb_unicode_get_eastasian_width_func_t) (hb_codepoint_t unicode); + + +void +hb_unicode_funcs_set_mirroring_char_func (hb_unicode_funcs_t *ufuncs, + hb_unicode_get_mirroring_char_func_t mirroring_char_func); + +void +hb_unicode_funcs_set_general_category_func (hb_unicode_funcs_t *ufuncs, + hb_unicode_get_general_category_func_t general_category_func); + +void +hb_unicode_funcs_set_script_func (hb_unicode_funcs_t *ufuncs, + hb_unicode_get_script_func_t script_func); + +void +hb_unicode_funcs_set_combining_class_func (hb_unicode_funcs_t *ufuncs, + hb_unicode_get_combining_class_func_t combining_class_func); + +void +hb_unicode_funcs_set_eastasian_width_func (hb_unicode_funcs_t *ufuncs, + hb_unicode_get_eastasian_width_func_t eastasian_width_func); + +#endif + + +HB_END_DECLS + +#endif /* HB_FONT_H */