/* Unicode Character Database property: General_Category (gc) */ typedefenum
{
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_CCC132: [Tibetan] Since: 7.2.0 * @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> *
**/ typedefenum
{
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,
/** * 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.
**/ typedefstruct 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_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: (nullable): 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: (nullable): 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: (nullable): 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: (nullable): 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: (nullable): 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: (nullable): 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);
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