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HarfBuzz: Update to version 2.8.0

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This commit is contained in:
bruvzg
2021-03-16 19:56:39 +02:00
parent 4c56fcd6cd
commit b79e8c22f0
121 changed files with 3844 additions and 3151 deletions
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167
thirdparty/harfbuzz/src/hb-font.h vendored
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@@ -24,7 +24,7 @@
* Red Hat Author(s): Behdad Esfahbod
*/
#ifndef HB_H_IN
#if !defined(HB_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR)
#error "Include <hb.h> instead."
#endif
@@ -37,7 +37,12 @@
HB_BEGIN_DECLS
/**
* hb_font_t:
*
* Data type for holding fonts.
*
*/
typedef struct hb_font_t hb_font_t;
@@ -141,6 +146,16 @@ typedef struct hb_glyph_extents_t {
/* func types */
/**
* hb_font_get_font_extents_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @extents: (out): The font extents retrieved
* @user_data: User data pointer passed by the caller
*
* This method should retrieve the extents for a font.
*
**/
typedef hb_bool_t (*hb_font_get_font_extents_func_t) (hb_font_t *font, void *font_data,
hb_font_extents_t *extents,
void *user_data);
@@ -150,7 +165,7 @@ typedef hb_bool_t (*hb_font_get_font_extents_func_t) (hb_font_t *font, void *fon
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the extents for a font, in horizontal-direction
* This method should retrieve the extents for a font, for horizontal-direction
* text segments. Extents must be returned in an #hb_glyph_extents output
* parameter.
*
@@ -162,7 +177,7 @@ typedef hb_font_get_font_extents_func_t hb_font_get_font_h_extents_func_t;
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the extents for a font, in vertical-direction
* This method should retrieve the extents for a font, for vertical-direction
* text segments. Extents must be returned in an #hb_glyph_extents output
* parameter.
*
@@ -172,12 +187,19 @@ typedef hb_font_get_font_extents_func_t hb_font_get_font_v_extents_func_t;
/**
* hb_font_get_nominal_glyph_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @unicode: The Unicode code point to query
* @glyph: (out): The glyph ID retrieved
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the nominal glyph ID for a specified Unicode code
* point. Glyph IDs must be returned in a #hb_codepoint_t output parameter.
*
* Return value: %true if data found, %false otherwise
*
**/
typedef hb_bool_t (*hb_font_get_nominal_glyph_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t unicode,
@@ -186,6 +208,12 @@ typedef hb_bool_t (*hb_font_get_nominal_glyph_func_t) (hb_font_t *font, void *fo
/**
* hb_font_get_variation_glyph_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @unicode: The Unicode code point to query
* @variation_selector: The variation-selector code point to query
* @glyph: (out): The glyph ID retrieved
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
@@ -193,6 +221,8 @@ typedef hb_bool_t (*hb_font_get_nominal_glyph_func_t) (hb_font_t *font, void *fo
* followed by a specified Variation Selector code point. Glyph IDs must be
* returned in a #hb_codepoint_t output parameter.
*
* Return value: %true if data found, %false otherwise
*
**/
typedef hb_bool_t (*hb_font_get_variation_glyph_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t unicode, hb_codepoint_t variation_selector,
@@ -202,12 +232,22 @@ typedef hb_bool_t (*hb_font_get_variation_glyph_func_t) (hb_font_t *font, void *
/**
* hb_font_get_nominal_glyphs_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @count: number of code points to query
* @first_unicode: The first Unicode code point to query
* @unicode_stride: The stride between successive code points
* @first_glyph: (out): The first glyph ID retrieved
* @glyph_stride: The stride between successive glyph IDs
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the nominal glyph IDs for a sequence of
* Unicode code points. Glyph IDs must be returned in a #hb_codepoint_t
* output parameter.
*
* Return value: the number of code points processed
*
**/
typedef unsigned int (*hb_font_get_nominal_glyphs_func_t) (hb_font_t *font, void *font_data,
@@ -220,12 +260,18 @@ typedef unsigned int (*hb_font_get_nominal_glyphs_func_t) (hb_font_t *font, void
/**
* hb_font_get_glyph_advance_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @glyph: The glyph ID to query
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the advance for a specified glyph. The
* method must return an #hb_position_t.
*
* Return value: The advance of @glyph within @font
*
**/
typedef hb_position_t (*hb_font_get_glyph_advance_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t glyph,
@@ -257,6 +303,14 @@ typedef hb_font_get_glyph_advance_func_t hb_font_get_glyph_v_advance_func_t;
/**
* hb_font_get_glyph_advances_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @count: The number of glyph IDs in the sequence queried
* @first_glyph: The first glyph ID to query
* @glyph_stride: The stride between successive glyph IDs
* @first_advance: (out): The first advance retrieved
* @advance_stride: The stride between successive advances
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
@@ -295,12 +349,20 @@ typedef hb_font_get_glyph_advances_func_t hb_font_get_glyph_v_advances_func_t;
/**
* hb_font_get_glyph_origin_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @glyph: The glyph ID to query
* @x: (out): The X coordinate of the origin
* @y: (out): The Y coordinate of the origin
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the (X,Y) coordinates (in font units) of the
* origin for a glyph. Each coordinate must be returned in an #hb_position_t
* output parameter.
*
* Return value: %true if data found, %false otherwise
*
**/
typedef hb_bool_t (*hb_font_get_glyph_origin_func_t) (hb_font_t *font, void *font_data,
@@ -314,7 +376,7 @@ typedef hb_bool_t (*hb_font_get_glyph_origin_func_t) (hb_font_t *font, void *fon
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the (X,Y) coordinates (in font units) of the
* origin for a glyph, in horizontal-direction text segments. Each
* origin for a glyph, for horizontal-direction text segments. Each
* coordinate must be returned in an #hb_position_t output parameter.
*
**/
@@ -326,25 +388,53 @@ typedef hb_font_get_glyph_origin_func_t hb_font_get_glyph_h_origin_func_t;
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the (X,Y) coordinates (in font units) of the
* origin for a glyph, in vertical-direction text segments. Each coordinate
* origin for a glyph, for vertical-direction text segments. Each coordinate
* must be returned in an #hb_position_t output parameter.
*
**/
typedef hb_font_get_glyph_origin_func_t hb_font_get_glyph_v_origin_func_t;
/**
* hb_font_get_glyph_kerning_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @first_glyph: The glyph ID of the first glyph in the glyph pair
* @second_glyph: The glyph ID of the second glyph in the glyph pair
* @user_data: User data pointer passed by the caller
*
* This method should retrieve the kerning-adjustment value for a glyph-pair in
* the specified font, for horizontal text segments.
*
**/
typedef hb_position_t (*hb_font_get_glyph_kerning_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t first_glyph, hb_codepoint_t second_glyph,
void *user_data);
/**
* hb_font_get_glyph_h_kerning_func_t:
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the kerning-adjustment value for a glyph-pair in
* the specified font, for horizontal text segments.
*
**/
typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_h_kerning_func_t;
/**
* hb_font_get_glyph_extents_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @glyph: The glyph ID to query
* @extents: (out): The #hb_glyph_extents_t retrieved
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the extents for a specified glyph. Extents must be
* returned in an #hb_glyph_extents output parameter.
*
* Return value: %true if data found, %false otherwise
*
**/
typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *font_data,
@@ -354,6 +444,13 @@ typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *fo
/**
* hb_font_get_glyph_contour_point_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @glyph: The glyph ID to query
* @point_index: The contour-point index to query
* @x: (out): The X value retrieved for the contour point
* @y: (out): The Y value retrieved for the contour point
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
@@ -361,6 +458,8 @@ typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *fo
* specified contour point in a glyph. Each coordinate must be returned as
* an #hb_position_t output parameter.
*
* Return value: %true if data found, %false otherwise
*
**/
typedef hb_bool_t (*hb_font_get_glyph_contour_point_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t glyph, unsigned int point_index,
@@ -370,12 +469,20 @@ typedef hb_bool_t (*hb_font_get_glyph_contour_point_func_t) (hb_font_t *font, vo
/**
* hb_font_get_glyph_name_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @glyph: The glyph ID to query
* @name: (out) (array length=size): Name string retrieved for the glyph ID
* @size: Length of the glyph-name string retrieved
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the glyph name that corresponds to a
* glyph ID. The name should be returned in a string output parameter.
*
* Return value: %true if data found, %false otherwise
*
**/
typedef hb_bool_t (*hb_font_get_glyph_name_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t glyph,
@@ -384,12 +491,20 @@ typedef hb_bool_t (*hb_font_get_glyph_name_func_t) (hb_font_t *font, void *font_
/**
* hb_font_get_glyph_from_name_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @name: (array length=len): The name string to query
* @len: The length of the name queried
* @glyph: (out): The glyph ID retrieved
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the glyph ID that corresponds to a glyph-name
* string.
*
* Return value: %true if data found, %false otherwise
*
**/
typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void *font_data,
const char *name, int len, /* -1 means nul-terminated */
@@ -404,7 +519,7 @@ typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void *
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_font_h_extents_func_t.
*
@@ -420,7 +535,7 @@ hb_font_funcs_set_font_h_extents_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_font_v_extents_func_t.
*
@@ -436,7 +551,7 @@ hb_font_funcs_set_font_v_extents_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_nominal_glyph_func_t.
*
@@ -452,7 +567,7 @@ hb_font_funcs_set_nominal_glyph_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_nominal_glyphs_func_t.
*
@@ -468,7 +583,7 @@ hb_font_funcs_set_nominal_glyphs_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_variation_glyph_func_t.
*
@@ -484,7 +599,7 @@ hb_font_funcs_set_variation_glyph_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_h_advance_func_t.
*
@@ -500,7 +615,7 @@ hb_font_funcs_set_glyph_h_advance_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_v_advance_func_t.
*
@@ -516,7 +631,7 @@ hb_font_funcs_set_glyph_v_advance_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_h_advances_func_t.
*
@@ -532,7 +647,7 @@ hb_font_funcs_set_glyph_h_advances_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_v_advances_func_t.
*
@@ -548,7 +663,7 @@ hb_font_funcs_set_glyph_v_advances_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_h_origin_func_t.
*
@@ -564,7 +679,7 @@ hb_font_funcs_set_glyph_h_origin_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_v_origin_func_t.
*
@@ -577,12 +692,12 @@ hb_font_funcs_set_glyph_v_origin_func (hb_font_funcs_t *ffuncs,
/**
* hb_font_funcs_set_glyph_h_kerning_func:
* @ffuncs: font functions.
* @func: (closure user_data) (destroy destroy) (scope notified):
* @user_data:
* @destroy:
*
* @ffuncs: A font-function 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_font_get_glyph_h_kerning_func_t.
*
* Since: 0.9.2
**/
@@ -596,7 +711,7 @@ hb_font_funcs_set_glyph_h_kerning_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_extents_func_t.
*
@@ -612,7 +727,7 @@ hb_font_funcs_set_glyph_extents_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_contour_point_func_t.
*
@@ -628,7 +743,7 @@ hb_font_funcs_set_glyph_contour_point_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_name_func_t.
*
@@ -644,7 +759,7 @@ hb_font_funcs_set_glyph_name_func (hb_font_funcs_t *ffuncs,
* @ffuncs: A font-function 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
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_from_name_func_t.
*