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/* * Copyright © 2009 Red Hat, Inc. * Copyright © 2011 Codethink Limited * Copyright © 2011,2012 Google, Inc. * * This is part of HarfBuzz, a text shaping library. * * Permission is hereby granted, without written agreement and without * license or royalty fees, to use, copy, modify, and distribute this * 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 * Codethink Author(s): Ryan Lortie * Google Author(s): Behdad Esfahbod */ #ifndef HB_H_IN #error "Include <hb.h> instead." #endif #ifndef HB_UNICODE_H #define HB_UNICODE_H #include "hb-common.h" HB_BEGIN_DECLS /** * HB_UNICODE_MAX * * Since: 1.9.0 **/ #define HB_UNICODE_MAX 0x10FFFFu /** * hb_unicode_general_category_t: * @HB_UNICODE_GENERAL_CATEGORY_CONTROL: [Cc] * @HB_UNICODE_GENERAL_CATEGORY_FORMAT: [Cf] * @HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED: [Cn] * @HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE: [Co] * @HB_UNICODE_GENERAL_CATEGORY_SURROGATE: [Cs] * @HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER: [Ll] * @HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER: [Lm] * @HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER: [Lo] * @HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER: [Lt] * @HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER: [Lu] * @HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK: [Mc] * @HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK: [Me] * @HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK: [Mn] * @HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER: [Nd] * @HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER: [Nl] * @HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER: [No] * @HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION: [Pc] * @HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION: [Pd] * @HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION: [Pe] * @HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION: [Pf] * @HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION: [Pi] * @HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION: [Po] * @HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION: [Ps] * @HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL: [Sc] * @HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL: [Sk] * @HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL: [Sm] * @HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL: [So] * @HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR: [Zl] * @HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR: [Zp] * @HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR: [Zs] * * Data type for the "General_Category" (gc) property from * the Unicode Character Database. **/ /* Unicode Character Database property: General_Category (gc) */ typedef enum { HB_UNICODE_GENERAL_CATEGORY_CONTROL, /* Cc */ HB_UNICODE_GENERAL_CATEGORY_FORMAT, /* Cf */ HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED, /* Cn */ HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE, /* Co */ HB_UNICODE_GENERAL_CATEGORY_SURROGATE, /* Cs */ HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER, /* Ll */ HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER, /* Lm */ HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER, /* Lo */ HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER, /* Lt */ HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER, /* Lu */ HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK, /* Mc */ HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK, /* Me */ HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK, /* Mn */ HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER, /* Nd */ HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER, /* Nl */ HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER, /* No */ HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION, /* Pc */ HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION, /* Pd */ HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION, /* Pe */ HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION, /* Pf */ HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION, /* Pi */ HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION, /* Po */ HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION, /* Ps */ HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL, /* Sc */ HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL, /* Sk */ HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL, /* Sm */ HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL, /* So */ HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR, /* Zl */ HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR, /* Zp */ HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR /* Zs */ } hb_unicode_general_category_t; /** * hb_unicode_combining_class_t: * @HB_UNICODE_COMBINING_CLASS_NOT_REORDERED: Spacing and enclosing marks; also many vowel and consonant signs, even if nonspacing * @HB_UNICODE_COMBINING_CLASS_OVERLAY: Marks which overlay a base letter or symbol * @HB_UNICODE_COMBINING_CLASS_NUKTA: Diacritic nukta marks in Brahmi-derived scripts * @HB_UNICODE_COMBINING_CLASS_KANA_VOICING: Hiragana/Katakana voicing marks * @HB_UNICODE_COMBINING_CLASS_VIRAMA: Viramas * @HB_UNICODE_COMBINING_CLASS_CCC10: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC11: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC12: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC13: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC14: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC15: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC16: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC17: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC18: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC19: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC20: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC21: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC22: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC23: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC24: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC25: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC26: [Hebrew] * @HB_UNICODE_COMBINING_CLASS_CCC27: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC28: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC29: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC30: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC31: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC32: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC33: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC34: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC35: [Arabic] * @HB_UNICODE_COMBINING_CLASS_CCC36: [Syriac] * @HB_UNICODE_COMBINING_CLASS_CCC84: [Telugu] * @HB_UNICODE_COMBINING_CLASS_CCC91: [Telugu] * @HB_UNICODE_COMBINING_CLASS_CCC103: [Thai] * @HB_UNICODE_COMBINING_CLASS_CCC107: [Thai] * @HB_UNICODE_COMBINING_CLASS_CCC118: [Lao] * @HB_UNICODE_COMBINING_CLASS_CCC122: [Lao] * @HB_UNICODE_COMBINING_CLASS_CCC129: [Tibetan] * @HB_UNICODE_COMBINING_CLASS_CCC130: [Tibetan] * @HB_UNICODE_COMBINING_CLASS_CCC133: [Tibetan] * @HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW_LEFT: Marks attached at the bottom left * @HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW: Marks attached directly below * @HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE: Marks attached directly above * @HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE_RIGHT: Marks attached at the top right * @HB_UNICODE_COMBINING_CLASS_BELOW_LEFT: Distinct marks at the bottom left * @HB_UNICODE_COMBINING_CLASS_BELOW: Distinct marks directly below * @HB_UNICODE_COMBINING_CLASS_BELOW_RIGHT: Distinct marks at the bottom right * @HB_UNICODE_COMBINING_CLASS_LEFT: Distinct marks to the left * @HB_UNICODE_COMBINING_CLASS_RIGHT: Distinct marks to the right * @HB_UNICODE_COMBINING_CLASS_ABOVE_LEFT: Distinct marks at the top left * @HB_UNICODE_COMBINING_CLASS_ABOVE: Distinct marks directly above * @HB_UNICODE_COMBINING_CLASS_ABOVE_RIGHT: Distinct marks at the top right * @HB_UNICODE_COMBINING_CLASS_DOUBLE_BELOW: Distinct marks subtending two bases * @HB_UNICODE_COMBINING_CLASS_DOUBLE_ABOVE: Distinct marks extending above two bases * @HB_UNICODE_COMBINING_CLASS_IOTA_SUBSCRIPT: Greek iota subscript only * @HB_UNICODE_COMBINING_CLASS_INVALID: Invalid combining class * * Data type for the Canonical_Combining_Class (ccc) property * from the Unicode Character Database. * * <note>Note: newer versions of Unicode may add new values. * Client programs should be ready to handle any value in the 0..254 range * being returned from hb_unicode_combining_class().</note> * **/ typedef enum { HB_UNICODE_COMBINING_CLASS_NOT_REORDERED = 0, HB_UNICODE_COMBINING_CLASS_OVERLAY = 1, HB_UNICODE_COMBINING_CLASS_NUKTA = 7, HB_UNICODE_COMBINING_CLASS_KANA_VOICING = 8, HB_UNICODE_COMBINING_CLASS_VIRAMA = 9, /* Hebrew */ HB_UNICODE_COMBINING_CLASS_CCC10 = 10, HB_UNICODE_COMBINING_CLASS_CCC11 = 11, HB_UNICODE_COMBINING_CLASS_CCC12 = 12, HB_UNICODE_COMBINING_CLASS_CCC13 = 13, HB_UNICODE_COMBINING_CLASS_CCC14 = 14, HB_UNICODE_COMBINING_CLASS_CCC15 = 15, HB_UNICODE_COMBINING_CLASS_CCC16 = 16, HB_UNICODE_COMBINING_CLASS_CCC17 = 17, HB_UNICODE_COMBINING_CLASS_CCC18 = 18, HB_UNICODE_COMBINING_CLASS_CCC19 = 19, HB_UNICODE_COMBINING_CLASS_CCC20 = 20, HB_UNICODE_COMBINING_CLASS_CCC21 = 21, HB_UNICODE_COMBINING_CLASS_CCC22 = 22, HB_UNICODE_COMBINING_CLASS_CCC23 = 23, HB_UNICODE_COMBINING_CLASS_CCC24 = 24, HB_UNICODE_COMBINING_CLASS_CCC25 = 25, HB_UNICODE_COMBINING_CLASS_CCC26 = 26, /* Arabic */ HB_UNICODE_COMBINING_CLASS_CCC27 = 27, HB_UNICODE_COMBINING_CLASS_CCC28 = 28, HB_UNICODE_COMBINING_CLASS_CCC29 = 29, HB_UNICODE_COMBINING_CLASS_CCC30 = 30, HB_UNICODE_COMBINING_CLASS_CCC31 = 31, HB_UNICODE_COMBINING_CLASS_CCC32 = 32, HB_UNICODE_COMBINING_CLASS_CCC33 = 33, HB_UNICODE_COMBINING_CLASS_CCC34 = 34, HB_UNICODE_COMBINING_CLASS_CCC35 = 35, /* Syriac */ HB_UNICODE_COMBINING_CLASS_CCC36 = 36, /* Telugu */ HB_UNICODE_COMBINING_CLASS_CCC84 = 84, HB_UNICODE_COMBINING_CLASS_CCC91 = 91, /* Thai */ HB_UNICODE_COMBINING_CLASS_CCC103 = 103, HB_UNICODE_COMBINING_CLASS_CCC107 = 107, /* Lao */ HB_UNICODE_COMBINING_CLASS_CCC118 = 118, HB_UNICODE_COMBINING_CLASS_CCC122 = 122, /* Tibetan */ HB_UNICODE_COMBINING_CLASS_CCC129 = 129, HB_UNICODE_COMBINING_CLASS_CCC130 = 130, HB_UNICODE_COMBINING_CLASS_CCC133 = 132, HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW_LEFT = 200, HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW = 202, HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE = 214, HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE_RIGHT = 216, HB_UNICODE_COMBINING_CLASS_BELOW_LEFT = 218, HB_UNICODE_COMBINING_CLASS_BELOW = 220, HB_UNICODE_COMBINING_CLASS_BELOW_RIGHT = 222, HB_UNICODE_COMBINING_CLASS_LEFT = 224, HB_UNICODE_COMBINING_CLASS_RIGHT = 226, HB_UNICODE_COMBINING_CLASS_ABOVE_LEFT = 228, HB_UNICODE_COMBINING_CLASS_ABOVE = 230, HB_UNICODE_COMBINING_CLASS_ABOVE_RIGHT = 232, HB_UNICODE_COMBINING_CLASS_DOUBLE_BELOW = 233, HB_UNICODE_COMBINING_CLASS_DOUBLE_ABOVE = 234, HB_UNICODE_COMBINING_CLASS_IOTA_SUBSCRIPT = 240, HB_UNICODE_COMBINING_CLASS_INVALID = 255 } hb_unicode_combining_class_t; /* * hb_unicode_funcs_t */ /** * hb_unicode_funcs_t: * * Data type containing a set of virtual methods used for * accessing various Unicode character properties. * * HarfBuzz provides a default function for each of the * methods in #hb_unicode_funcs_t. Client programs can implement * their own replacements for the individual Unicode functions, as * needed, and replace the default by calling the setter for a * method. **/ typedef struct hb_unicode_funcs_t hb_unicode_funcs_t; /* * just give me the best implementation you've got there. */ HB_EXTERN hb_unicode_funcs_t * hb_unicode_funcs_get_default (void); HB_EXTERN hb_unicode_funcs_t * hb_unicode_funcs_create (hb_unicode_funcs_t *parent); HB_EXTERN hb_unicode_funcs_t * hb_unicode_funcs_get_empty (void); HB_EXTERN hb_unicode_funcs_t * hb_unicode_funcs_reference (hb_unicode_funcs_t *ufuncs); HB_EXTERN void hb_unicode_funcs_destroy (hb_unicode_funcs_t *ufuncs); HB_EXTERN hb_bool_t hb_unicode_funcs_set_user_data (hb_unicode_funcs_t *ufuncs, hb_user_data_key_t *key, void * data, hb_destroy_func_t destroy, hb_bool_t replace); HB_EXTERN void * hb_unicode_funcs_get_user_data (hb_unicode_funcs_t *ufuncs, hb_user_data_key_t *key); HB_EXTERN void hb_unicode_funcs_make_immutable (hb_unicode_funcs_t *ufuncs); HB_EXTERN hb_bool_t hb_unicode_funcs_is_immutable (hb_unicode_funcs_t *ufuncs); HB_EXTERN hb_unicode_funcs_t * hb_unicode_funcs_get_parent (hb_unicode_funcs_t *ufuncs); /* * funcs */ /* typedefs */ /** * hb_unicode_combining_class_func_t: * @ufuncs: A Unicode-functions structure * @unicode: The code point to query * @user_data: User data pointer passed by the caller * * A virtual method for the #hb_unicode_funcs_t structure. * * This method should retrieve the Canonical Combining Class (ccc) * property for a specified Unicode code point. * * Return value: The #hb_unicode_combining_class_t of @unicode * **/ typedef hb_unicode_combining_class_t (*hb_unicode_combining_class_func_t) (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, void *user_data); /** * hb_unicode_general_category_func_t: * @ufuncs: A Unicode-functions structure * @unicode: The code point to query * @user_data: User data pointer passed by the caller * * A virtual method for the #hb_unicode_funcs_t structure. * * This method should retrieve the General Category property for * a specified Unicode code point. * * Return value: The #hb_unicode_general_category_t of @unicode * **/ typedef hb_unicode_general_category_t (*hb_unicode_general_category_func_t) (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, void *user_data); /** * hb_unicode_mirroring_func_t: * @ufuncs: A Unicode-functions structure * @unicode: The code point to query * @user_data: User data pointer passed by the caller * * A virtual method for the #hb_unicode_funcs_t structure. * * This method should retrieve the Bi-Directional Mirroring Glyph * code point for a specified Unicode code point. * * <note>Note: If a code point does not have a specified * Bi-Directional Mirroring Glyph defined, the method should * return the original code point.</note> * * Return value: The #hb_codepoint_t of the Mirroring Glyph for @unicode * **/ typedef hb_codepoint_t (*hb_unicode_mirroring_func_t) (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, void *user_data); /** * hb_unicode_script_func_t: * @ufuncs: A Unicode-functions structure * @unicode: The code point to query * @user_data: User data pointer passed by the caller * * A virtual method for the #hb_unicode_funcs_t structure. * * This method should retrieve the Script property for a * specified Unicode code point. * * Return value: The #hb_script_t of @unicode * **/ typedef hb_script_t (*hb_unicode_script_func_t) (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, void *user_data); /** * hb_unicode_compose_func_t: * @ufuncs: A Unicode-functions structure * @a: The first code point to compose * @b: The second code point to compose * @ab: (out): The composed code point * @user_data: user data pointer passed by the caller * * A virtual method for the #hb_unicode_funcs_t structure. * * This method should compose a sequence of two input Unicode code * points by canonical equivalence, returning the composed code * point in a #hb_codepoint_t output parameter (if successful). * The method must return an #hb_bool_t indicating the success * of the composition. * * Return value: True is @a,@b composed, false otherwise * **/ typedef hb_bool_t (*hb_unicode_compose_func_t) (hb_unicode_funcs_t *ufuncs, hb_codepoint_t a, hb_codepoint_t b, hb_codepoint_t *ab, void *user_data); /** * hb_unicode_decompose_func_t: * @ufuncs: A Unicode-functions structure * @ab: The code point to decompose * @a: (out): The first decomposed code point * @b: (out): The second decomposed code point * @user_data: user data pointer passed by the caller * * A virtual method for the #hb_unicode_funcs_t structure. * * This method should decompose an input Unicode code point, * returning the two decomposed code points in #hb_codepoint_t * output parameters (if successful). The method must return an * #hb_bool_t indicating the success of the composition. * * Return value: True if @ab decomposed, false otherwise * **/ typedef hb_bool_t (*hb_unicode_decompose_func_t) (hb_unicode_funcs_t *ufuncs, hb_codepoint_t ab, hb_codepoint_t *a, hb_codepoint_t *b, void *user_data); /* func setters */ /** * hb_unicode_funcs_set_combining_class_func: * @ufuncs: A Unicode-functions structure * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign * @user_data: Data to pass to @func * @destroy: (optional): The function to call when @user_data is not needed anymore * * Sets the implementation function for #hb_unicode_combining_class_func_t. * * Since: 0.9.2 **/ HB_EXTERN void hb_unicode_funcs_set_combining_class_func (hb_unicode_funcs_t *ufuncs, hb_unicode_combining_class_func_t func, void *user_data, hb_destroy_func_t destroy); /** * hb_unicode_funcs_set_general_category_func: * @ufuncs: A Unicode-functions structure * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign * @user_data: Data to pass to @func * @destroy: (optional): The function to call when @user_data is not needed anymore * * Sets the implementation function for #hb_unicode_general_category_func_t. * * Since: 0.9.2 **/ HB_EXTERN void hb_unicode_funcs_set_general_category_func (hb_unicode_funcs_t *ufuncs, hb_unicode_general_category_func_t func, void *user_data, hb_destroy_func_t destroy); /** * hb_unicode_funcs_set_mirroring_func: * @ufuncs: A Unicode-functions structure * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign * @user_data: Data to pass to @func * @destroy: (optional): The function to call when @user_data is not needed anymore * * Sets the implementation function for #hb_unicode_mirroring_func_t. * * Since: 0.9.2 **/ HB_EXTERN void hb_unicode_funcs_set_mirroring_func (hb_unicode_funcs_t *ufuncs, hb_unicode_mirroring_func_t func, void *user_data, hb_destroy_func_t destroy); /** * hb_unicode_funcs_set_script_func: * @ufuncs: A Unicode-functions structure * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign * @user_data: Data to pass to @func * @destroy: (optional): The function to call when @user_data is not needed anymore * * Sets the implementation function for #hb_unicode_script_func_t. * * Since: 0.9.2 **/ HB_EXTERN void hb_unicode_funcs_set_script_func (hb_unicode_funcs_t *ufuncs, hb_unicode_script_func_t func, void *user_data, hb_destroy_func_t destroy); /** * hb_unicode_funcs_set_compose_func: * @ufuncs: A Unicode-functions structure * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign * @user_data: Data to pass to @func * @destroy: (optional): The function to call when @user_data is not needed anymore * * Sets the implementation function for #hb_unicode_compose_func_t. * * Since: 0.9.2 **/ HB_EXTERN void hb_unicode_funcs_set_compose_func (hb_unicode_funcs_t *ufuncs, hb_unicode_compose_func_t func, void *user_data, hb_destroy_func_t destroy); /** * hb_unicode_funcs_set_decompose_func: * @ufuncs: A Unicode-functions structure * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign * @user_data: Data to pass to @func * @destroy: (optional): The function to call when @user_data is not needed anymore * * Sets the implementation function for #hb_unicode_decompose_func_t. * * Since: 0.9.2 **/ HB_EXTERN void hb_unicode_funcs_set_decompose_func (hb_unicode_funcs_t *ufuncs, hb_unicode_decompose_func_t func, void *user_data, hb_destroy_func_t destroy); /* accessors */ /** * hb_unicode_combining_class: * @ufuncs: The Unicode-functions structure * @unicode: The code point to query * * Retrieves the Canonical Combining Class (ccc) property * of code point @unicode. * * Return value: The #hb_unicode_combining_class_t of @unicode * * Since: 0.9.2 **/ HB_EXTERN hb_unicode_combining_class_t hb_unicode_combining_class (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode); /** * hb_unicode_general_category: * @ufuncs: The Unicode-functions structure * @unicode: The code point to query * * Retrieves the General Category (gc) property * of code point @unicode. * * Return value: The #hb_unicode_general_category_t of @unicode * * Since: 0.9.2 **/ HB_EXTERN hb_unicode_general_category_t hb_unicode_general_category (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode); /** * hb_unicode_mirroring: * @ufuncs: The Unicode-functions structure * @unicode: The code point to query * * Retrieves the Bi-directional Mirroring Glyph code * point defined for code point @unicode. * * Return value: The #hb_codepoint_t of the Mirroring Glyph for @unicode * * Since: 0.9.2 **/ HB_EXTERN hb_codepoint_t hb_unicode_mirroring (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode); /** * hb_unicode_script: * @ufuncs: The Unicode-functions structure * @unicode: The code point to query * * Retrieves the #hb_script_t script to which code * point @unicode belongs. * * Return value: The #hb_script_t of @unicode * * Since: 0.9.2 **/ HB_EXTERN hb_script_t hb_unicode_script (hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode); /** * hb_unicode_compose: * @ufuncs: The Unicode-functions structure * @a: The first code point to compose * @b: The second code point to compose * @ab: (out): The composed code point * * Composes the code point sequence @a,@b by canonical equivalence into * code point @ab. * * Return value: True is @a,@b composed, false otherwise * * Since: 0.9.2 **/ HB_EXTERN hb_bool_t hb_unicode_compose (hb_unicode_funcs_t *ufuncs, hb_codepoint_t a, hb_codepoint_t b, hb_codepoint_t *ab); /** * hb_unicode_decompose: * @ufuncs: The Unicode-functions structure * @ab: The code point to decompose * @a: (out): The first decomposed code point * @b: (out): The second decomposed code point * * Decomposes code point @ab by canonical equivalence, into code points * @a and @b. * * Return value: True if @ab decomposed, false otherwise * * Since: 0.9.2 **/ HB_EXTERN hb_bool_t hb_unicode_decompose (hb_unicode_funcs_t *ufuncs, hb_codepoint_t ab, hb_codepoint_t *a, hb_codepoint_t *b); HB_END_DECLS #endif /* HB_UNICODE_H */
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