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HarfBuzz: Update to upstream version 2.7.4
This commit is contained in:
bruvzg
343
thirdparty/harfbuzz/src/hb-unicode.h
vendored
343
thirdparty/harfbuzz/src/hb-unicode.h
vendored
@@ -48,7 +48,42 @@ HB_BEGIN_DECLS
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#define HB_UNICODE_MAX 0x10FFFFu
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/* hb_unicode_general_category_t */
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/**
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* hb_unicode_general_category_t:
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* @HB_UNICODE_GENERAL_CATEGORY_CONTROL: [Cc]
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* @HB_UNICODE_GENERAL_CATEGORY_FORMAT: [Cf]
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* @HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED: [Cn]
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* @HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE: [Co]
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* @HB_UNICODE_GENERAL_CATEGORY_SURROGATE: [Cs]
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* @HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER: [Ll]
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* @HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER: [Lm]
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* @HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER: [Lo]
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* @HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER: [Lt]
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* @HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER: [Lu]
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* @HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK: [Mc]
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* @HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK: [Me]
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* @HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK: [Mn]
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* @HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER: [Nd]
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* @HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER: [Nl]
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* @HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER: [No]
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* @HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION: [Pc]
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* @HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION: [Pd]
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* @HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION: [Pe]
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* @HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION: [Pf]
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* @HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION: [Pi]
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* @HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION: [Po]
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* @HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION: [Ps]
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* @HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL: [Sc]
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* @HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL: [Sk]
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* @HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL: [Sm]
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* @HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL: [So]
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* @HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR: [Zl]
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* @HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR: [Zp]
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* @HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR: [Zs]
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*
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* Data type for the "General_Category" (gc) property from
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* the Unicode Character Database.
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**/
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/* Unicode Character Database property: General_Category (gc) */
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typedef enum
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@@ -85,13 +120,74 @@ typedef enum
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HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR /* Zs */
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} hb_unicode_general_category_t;
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/* hb_unicode_combining_class_t */
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/* Note: newer versions of Unicode may add new values. Clients should be ready to handle
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* any value in the 0..254 range being returned from hb_unicode_combining_class().
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*/
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/* Unicode Character Database property: Canonical_Combining_Class (ccc) */
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/**
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* hb_unicode_combining_class_t:
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* @HB_UNICODE_COMBINING_CLASS_NOT_REORDERED: Spacing and enclosing marks; also many vowel and consonant signs, even if nonspacing
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* @HB_UNICODE_COMBINING_CLASS_OVERLAY: Marks which overlay a base letter or symbol
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* @HB_UNICODE_COMBINING_CLASS_NUKTA: Diacritic nukta marks in Brahmi-derived scripts
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* @HB_UNICODE_COMBINING_CLASS_KANA_VOICING: Hiragana/Katakana voicing marks
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* @HB_UNICODE_COMBINING_CLASS_VIRAMA: Viramas
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* @HB_UNICODE_COMBINING_CLASS_CCC10: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC11: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC12: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC13: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC14: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC15: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC16: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC17: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC18: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC19: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC20: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC21: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC22: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC23: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC24: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC25: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC26: [Hebrew]
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* @HB_UNICODE_COMBINING_CLASS_CCC27: [Arabic]
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* @HB_UNICODE_COMBINING_CLASS_CCC28: [Arabic]
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* @HB_UNICODE_COMBINING_CLASS_CCC29: [Arabic]
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* @HB_UNICODE_COMBINING_CLASS_CCC30: [Arabic]
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* @HB_UNICODE_COMBINING_CLASS_CCC31: [Arabic]
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* @HB_UNICODE_COMBINING_CLASS_CCC32: [Arabic]
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* @HB_UNICODE_COMBINING_CLASS_CCC33: [Arabic]
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* @HB_UNICODE_COMBINING_CLASS_CCC34: [Arabic]
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* @HB_UNICODE_COMBINING_CLASS_CCC35: [Arabic]
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* @HB_UNICODE_COMBINING_CLASS_CCC36: [Syriac]
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* @HB_UNICODE_COMBINING_CLASS_CCC84: [Telugu]
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* @HB_UNICODE_COMBINING_CLASS_CCC91: [Telugu]
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* @HB_UNICODE_COMBINING_CLASS_CCC103: [Thai]
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* @HB_UNICODE_COMBINING_CLASS_CCC107: [Thai]
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* @HB_UNICODE_COMBINING_CLASS_CCC118: [Lao]
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* @HB_UNICODE_COMBINING_CLASS_CCC122: [Lao]
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* @HB_UNICODE_COMBINING_CLASS_CCC129: [Tibetan]
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* @HB_UNICODE_COMBINING_CLASS_CCC130: [Tibetan]
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* @HB_UNICODE_COMBINING_CLASS_CCC133: [Tibetan]
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* @HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW_LEFT: Marks attached at the bottom left
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* @HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW: Marks attached directly below
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* @HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE: Marks attached directly above
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* @HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE_RIGHT: Marks attached at the top right
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* @HB_UNICODE_COMBINING_CLASS_BELOW_LEFT: Distinct marks at the bottom left
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* @HB_UNICODE_COMBINING_CLASS_BELOW: Distinct marks directly below
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* @HB_UNICODE_COMBINING_CLASS_BELOW_RIGHT: Distinct marks at the bottom right
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* @HB_UNICODE_COMBINING_CLASS_LEFT: Distinct marks to the left
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* @HB_UNICODE_COMBINING_CLASS_RIGHT: Distinct marks to the right
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* @HB_UNICODE_COMBINING_CLASS_ABOVE_LEFT: Distinct marks at the top left
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* @HB_UNICODE_COMBINING_CLASS_ABOVE: Distinct marks directly above
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* @HB_UNICODE_COMBINING_CLASS_ABOVE_RIGHT: Distinct marks at the top right
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* @HB_UNICODE_COMBINING_CLASS_DOUBLE_BELOW: Distinct marks subtending two bases
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* @HB_UNICODE_COMBINING_CLASS_DOUBLE_ABOVE: Distinct marks extending above two bases
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* @HB_UNICODE_COMBINING_CLASS_IOTA_SUBSCRIPT: Greek iota subscript only
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* @HB_UNICODE_COMBINING_CLASS_INVALID: Invalid combining class
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*
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* Data type for the Canonical_Combining_Class (ccc) property
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* from the Unicode Character Database.
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*
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* <note>Note: newer versions of Unicode may add new values.
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* Client programs should be ready to handle any value in the 0..254 range
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* being returned from hb_unicode_combining_class().</note>
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*
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**/
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typedef enum
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{
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HB_UNICODE_COMBINING_CLASS_NOT_REORDERED = 0,
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@@ -176,6 +272,18 @@ typedef enum
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* hb_unicode_funcs_t
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*/
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/**
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* hb_unicode_funcs_t:
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*
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* Data type containing a set of virtual methods used for
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* accessing various Unicode character properties.
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*
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* HarfBuzz provides a default function for each of the
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* methods in #hb_unicode_funcs_t. Client programs can implement
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* their own replacements for the individual Unicode functions, as
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* needed, and replace the default by calling the setter for a
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* method.
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**/
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typedef struct hb_unicode_funcs_t hb_unicode_funcs_t;
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@@ -227,40 +335,141 @@ hb_unicode_funcs_get_parent (hb_unicode_funcs_t *ufuncs);
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/* typedefs */
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/**
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* hb_unicode_combining_class_func_t:
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* @ufuncs: A Unicode-functions structure
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* @unicode: The code point to query
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* @user_data: User data pointer passed by the caller
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*
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* A virtual method for the #hb_unicode_funcs_t structure.
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*
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* This method should retrieve the Canonical Combining Class (ccc)
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* property for a specified Unicode code point.
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*
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* Return value: The #hb_unicode_combining_class_t of @unicode
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*
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**/
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typedef hb_unicode_combining_class_t (*hb_unicode_combining_class_func_t) (hb_unicode_funcs_t *ufuncs,
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hb_codepoint_t unicode,
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void *user_data);
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/**
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* hb_unicode_general_category_func_t:
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* @ufuncs: A Unicode-functions structure
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* @unicode: The code point to query
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* @user_data: User data pointer passed by the caller
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*
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* A virtual method for the #hb_unicode_funcs_t structure.
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*
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* This method should retrieve the General Category property for
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* a specified Unicode code point.
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*
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* Return value: The #hb_unicode_general_category_t of @unicode
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*
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**/
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typedef hb_unicode_general_category_t (*hb_unicode_general_category_func_t) (hb_unicode_funcs_t *ufuncs,
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hb_codepoint_t unicode,
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void *user_data);
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/**
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* hb_unicode_mirroring_func_t:
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* @ufuncs: A Unicode-functions structure
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* @unicode: The code point to query
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* @user_data: User data pointer passed by the caller
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*
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* A virtual method for the #hb_unicode_funcs_t structure.
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*
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* This method should retrieve the Bi-Directional Mirroring Glyph
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* code point for a specified Unicode code point.
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*
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* <note>Note: If a code point does not have a specified
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* Bi-Directional Mirroring Glyph defined, the method should
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* return the original code point.</note>
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*
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* Return value: The #hb_codepoint_t of the Mirroring Glyph for @unicode
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*
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**/
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typedef hb_codepoint_t (*hb_unicode_mirroring_func_t) (hb_unicode_funcs_t *ufuncs,
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hb_codepoint_t unicode,
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void *user_data);
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/**
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* hb_unicode_script_func_t:
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* @ufuncs: A Unicode-functions structure
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* @unicode: The code point to query
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* @user_data: User data pointer passed by the caller
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*
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* A virtual method for the #hb_unicode_funcs_t structure.
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*
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* This method should retrieve the Script property for a
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* specified Unicode code point.
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*
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* Return value: The #hb_script_t of @unicode
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*
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**/
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typedef hb_script_t (*hb_unicode_script_func_t) (hb_unicode_funcs_t *ufuncs,
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hb_codepoint_t unicode,
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void *user_data);
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/**
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* hb_unicode_compose_func_t:
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* @ufuncs: A Unicode-functions structure
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* @a: The first code point to compose
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* @b: The second code point to compose
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* @ab: (out): The composed code point
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* @user_data: user data pointer passed by the caller
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*
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* A virtual method for the #hb_unicode_funcs_t structure.
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*
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* This method should compose a sequence of two input Unicode code
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* points by canonical equivalence, returning the composed code
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* point in a #hb_codepoint_t output parameter (if successful).
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* The method must return an #hb_bool_t indicating the success
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* of the composition.
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*
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* Return value: True is @a,@b composed, false otherwise
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*
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**/
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typedef hb_bool_t (*hb_unicode_compose_func_t) (hb_unicode_funcs_t *ufuncs,
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hb_codepoint_t a,
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hb_codepoint_t b,
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hb_codepoint_t *ab,
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void *user_data);
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/**
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* hb_unicode_decompose_func_t:
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* @ufuncs: A Unicode-functions structure
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* @ab: The code point to decompose
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* @a: (out): The first decomposed code point
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* @b: (out): The second decomposed code point
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* @user_data: user data pointer passed by the caller
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*
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* A virtual method for the #hb_unicode_funcs_t structure.
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*
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* This method should decompose an input Unicode code point,
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* returning the two decomposed code points in #hb_codepoint_t
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* output parameters (if successful). The method must return an
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* #hb_bool_t indicating the success of the composition.
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*
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* Return value: True if @ab decomposed, false otherwise
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*
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**/
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typedef hb_bool_t (*hb_unicode_decompose_func_t) (hb_unicode_funcs_t *ufuncs,
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hb_codepoint_t ab,
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hb_codepoint_t *a,
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hb_codepoint_t *b,
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void *user_data);
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/* setters */
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/* func setters */
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/**
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* hb_unicode_funcs_set_combining_class_func:
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* @ufuncs: a Unicode function structure
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* @func: (closure user_data) (destroy destroy) (scope notified):
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* @user_data:
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* @destroy:
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*
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* @ufuncs: A Unicode-functions structure
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* @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
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* @user_data: Data to pass to @func
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* @destroy: (optional): The function to call when @user_data is not needed anymore
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*
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* Sets the implementation function for #hb_unicode_combining_class_func_t.
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*
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* Since: 0.9.2
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**/
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@@ -271,12 +480,12 @@ hb_unicode_funcs_set_combining_class_func (hb_unicode_funcs_t *ufuncs,
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/**
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* hb_unicode_funcs_set_general_category_func:
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* @ufuncs: a Unicode function structure
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* @func: (closure user_data) (destroy destroy) (scope notified):
|
||||
* @user_data:
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||||
* @destroy:
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||||
*
|
||||
* @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
|
||||
*
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||||
* Sets the implementation function for #hb_unicode_general_category_func_t.
|
||||
*
|
||||
* Since: 0.9.2
|
||||
**/
|
||||
@@ -287,12 +496,12 @@ hb_unicode_funcs_set_general_category_func (hb_unicode_funcs_t *ufuncs,
|
||||
|
||||
/**
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||||
* hb_unicode_funcs_set_mirroring_func:
|
||||
* @ufuncs: a Unicode function structure
|
||||
* @func: (closure user_data) (destroy destroy) (scope notified):
|
||||
* @user_data:
|
||||
* @destroy:
|
||||
*
|
||||
* @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
|
||||
**/
|
||||
@@ -303,12 +512,12 @@ hb_unicode_funcs_set_mirroring_func (hb_unicode_funcs_t *ufuncs,
|
||||
|
||||
/**
|
||||
* hb_unicode_funcs_set_script_func:
|
||||
* @ufuncs: a Unicode function structure
|
||||
* @func: (closure user_data) (destroy destroy) (scope notified):
|
||||
* @user_data:
|
||||
* @destroy:
|
||||
*
|
||||
* @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
|
||||
**/
|
||||
@@ -319,12 +528,12 @@ hb_unicode_funcs_set_script_func (hb_unicode_funcs_t *ufuncs,
|
||||
|
||||
/**
|
||||
* hb_unicode_funcs_set_compose_func:
|
||||
* @ufuncs: a Unicode function structure
|
||||
* @func: (closure user_data) (destroy destroy) (scope notified):
|
||||
* @user_data:
|
||||
* @destroy:
|
||||
*
|
||||
* @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
|
||||
**/
|
||||
@@ -335,12 +544,12 @@ hb_unicode_funcs_set_compose_func (hb_unicode_funcs_t *ufuncs,
|
||||
|
||||
/**
|
||||
* hb_unicode_funcs_set_decompose_func:
|
||||
* @ufuncs: a Unicode function structure
|
||||
* @func: (closure user_data) (destroy destroy) (scope notified):
|
||||
* @user_data:
|
||||
* @destroy:
|
||||
*
|
||||
* @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
|
||||
**/
|
||||
@@ -353,6 +562,13 @@ hb_unicode_funcs_set_decompose_func (hb_unicode_funcs_t *ufuncs,
|
||||
|
||||
/**
|
||||
* 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
|
||||
**/
|
||||
@@ -362,6 +578,13 @@ hb_unicode_combining_class (hb_unicode_funcs_t *ufuncs,
|
||||
|
||||
/**
|
||||
* 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
|
||||
**/
|
||||
@@ -371,6 +594,13 @@ hb_unicode_general_category (hb_unicode_funcs_t *ufuncs,
|
||||
|
||||
/**
|
||||
* 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
|
||||
**/
|
||||
@@ -380,6 +610,13 @@ hb_unicode_mirroring (hb_unicode_funcs_t *ufuncs,
|
||||
|
||||
/**
|
||||
* 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
|
||||
**/
|
||||
@@ -387,12 +624,40 @@ 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,
|
||||
|
||||
Reference in New Issue
Block a user