hb-deprecated

hb-deprecated — Deprecated API

Functions

hb_bool_t (*hb_font_get_glyph_func_t) ()
hb_bool_t hb_ot_layout_table_find_script ()
unsigned int hb_unicode_eastasian_width ()
void hb_unicode_funcs_set_eastasian_width_func ()
unsigned int hb_unicode_decompose_compatibility ()
void hb_unicode_funcs_set_decompose_compatibility_func ()
void hb_font_funcs_set_glyph_v_kerning_func ()
hb_position_t hb_font_get_glyph_v_kerning ()

Types and Values

#define HB_BUFFER_FLAGS_DEFAULT
#define HB_BUFFER_SERIALIZE_FLAGS_DEFAULT
#define HB_SCRIPT_CANADIAN_ABORIGINAL
#define HB_MATH_GLYPH_PART_FLAG_EXTENDER
#define HB_OT_MATH_SCRIPT
#define HB_OT_VAR_NO_AXIS_INDEX
  hb_ot_var_axis_t
#define HB_UNICODE_MAX_DECOMPOSITION_LEN
typedef hb_font_get_glyph_v_kerning_func_t

Includes

#include <hb.h>

Description

These API have been deprecated in favor of newer API, or because they were deemed unnecessary.

Functions

hb_font_get_glyph_func_t ()

hb_bool_t
(*hb_font_get_glyph_func_t) (hb_font_t *font,
                             void *font_data,
                             hb_codepoint_t unicode,
                             hb_codepoint_t variation_selector,
                             hb_codepoint_t *glyph,
                             void *user_data);

hb_font_get_glyph_func_t has been deprecated since version 1.2.3 and should not be used in newly-written code.

A virtual method for the hb_font_funcs_t of an hb_font_t object.

This method should retrieve the glyph ID for a specified Unicode code point font, with an optional variation selector.

Parameters

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

The glyph ID retrieved.

[out]

user_data

User data pointer passed by the caller

  

Returns

true if data found, false otherwise

hb_ot_layout_table_find_script ()

hb_bool_t
hb_ot_layout_table_find_script (hb_face_t *face,
                                hb_tag_t table_tag,
                                hb_tag_t script_tag,
                                unsigned int *script_index);

Fetches the index if a given script tag in the specified face's GSUB table or GPOS table.

Parameters

face

hb_face_t to work upon

  

table_tag

HB_OT_TAG_GSUB or HB_OT_TAG_GPOS

  

script_tag

hb_tag_t of the script tag requested

  

script_index

The index of the requested script tag.

[out]

Returns

true if the script is found, false otherwise

hb_unicode_eastasian_width ()

unsigned int
hb_unicode_eastasian_width (hb_unicode_funcs_t *ufuncs,
                            hb_codepoint_t unicode);

hb_unicode_eastasian_width has been deprecated since version 2.0.0 and should not be used in newly-written code.

Don't use. Not used by HarfBuzz.

Parameters

ufuncs

a Unicode-function structure

  

unicode

The code point to query

  

Since: 0.9.2

hb_unicode_funcs_set_eastasian_width_func ()

void
hb_unicode_funcs_set_eastasian_width_func
                               (hb_unicode_funcs_t *ufuncs,
                                hb_unicode_eastasian_width_func_t func,
                                void *user_data,
                                hb_destroy_func_t destroy);

hb_unicode_funcs_set_eastasian_width_func has been deprecated since version 2.0.0 and should not be used in newly-written code.

Sets the implementation function for hb_unicode_eastasian_width_func_t.

Parameters

ufuncs

a Unicode-function structure

  

func

The callback function to assign.

[closure user_data][destroy destroy][scope notified]

user_data

Data to pass to func

 

destroy

The function to call when user_data is not needed anymore.

[nullable]

Since: 0.9.2

hb_unicode_decompose_compatibility ()

unsigned int
hb_unicode_decompose_compatibility (hb_unicode_funcs_t *ufuncs,
                                    hb_codepoint_t u,
                                    hb_codepoint_t *decomposed);

hb_unicode_decompose_compatibility has been deprecated since version 2.0.0 and should not be used in newly-written code.

Fetches the compatibility decomposition of a Unicode code point. Deprecated.

Parameters

ufuncs

The Unicode-functions structure

  

u

Code point to decompose

  

decomposed

Compatibility decomposition of u .

[out]

Returns

length of decomposed .

Since: 0.9.2

hb_unicode_funcs_set_decompose_compatibility_func ()

void
hb_unicode_funcs_set_decompose_compatibility_func
                               (hb_unicode_funcs_t *ufuncs,
                                hb_unicode_decompose_compatibility_func_t func,
                                void *user_data,
                                hb_destroy_func_t destroy);

hb_unicode_funcs_set_decompose_compatibility_func has been deprecated since version 2.0.0 and should not be used in newly-written code.

Sets the implementation function for hb_unicode_decompose_compatibility_func_t.

Parameters

ufuncs

A Unicode-functions structure

  

func

The callback function to assign.

[closure user_data][destroy destroy][scope notified]

user_data

Data to pass to func

 

destroy

The function to call when user_data is not needed anymore.

[nullable]

Since: 0.9.2

hb_font_funcs_set_glyph_v_kerning_func ()

void
hb_font_funcs_set_glyph_v_kerning_func
                               (hb_font_funcs_t *ffuncs,
                                hb_font_get_glyph_v_kerning_func_t func,
                                void *user_data,
                                hb_destroy_func_t destroy);

hb_font_funcs_set_glyph_v_kerning_func has been deprecated since version 2.0.0 and should not be used in newly-written code.

Sets the implementation function for hb_font_get_glyph_v_kerning_func_t.

Parameters

ffuncs

A font-function structure

  

func

The callback function to assign.

[closure user_data][destroy destroy][scope notified]

user_data

Data to pass to func

 

destroy

The function to call when user_data is not needed anymore.

[nullable]

Since: 0.9.2

hb_font_get_glyph_v_kerning ()

hb_position_t
hb_font_get_glyph_v_kerning (hb_font_t *font,
                             hb_codepoint_t top_glyph,
                             hb_codepoint_t bottom_glyph);

hb_font_get_glyph_v_kerning has been deprecated since version 2.0.0 and should not be used in newly-written code.

Fetches the kerning-adjustment value for a glyph-pair in the specified font, for vertical text segments.

It handles legacy kerning only (as returned by the corresponding hb_font_funcs_t function).

Parameters

font

hb_font_t to work upon

  

top_glyph

The glyph ID of the top glyph in the glyph pair

  

bottom_glyph

The glyph ID of the bottom glyph in the glyph pair

  

Returns

The kerning adjustment value

Since: 0.9.2

Types and Values

HB_BUFFER_FLAGS_DEFAULT

#define HB_BUFFER_FLAGS_DEFAULT			HB_BUFFER_FLAG_DEFAULT

HB_BUFFER_FLAGS_DEFAULT has been deprecated since version 0.9.20 and should not be used in newly-written code.

Use HB_BUFFER_FLAG_DEFAULT instead.

HB_BUFFER_SERIALIZE_FLAGS_DEFAULT

#define HB_BUFFER_SERIALIZE_FLAGS_DEFAULT HB_BUFFER_SERIALIZE_FLAG_DEFAULT

HB_BUFFER_SERIALIZE_FLAGS_DEFAULT has been deprecated since version 0.9.20 and should not be used in newly-written code.

Use HB_BUFFER_SERIALIZE_FLAG_DEFAULT instead.

HB_SCRIPT_CANADIAN_ABORIGINAL

#define HB_SCRIPT_CANADIAN_ABORIGINAL		HB_SCRIPT_CANADIAN_SYLLABICS

HB_SCRIPT_CANADIAN_ABORIGINAL has been deprecated since version 0.9.20 and should not be used in newly-written code.

Use HB_SCRIPT_CANADIAN_SYLLABICS instead:

HB_MATH_GLYPH_PART_FLAG_EXTENDER

#define HB_MATH_GLYPH_PART_FLAG_EXTENDER HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER

HB_MATH_GLYPH_PART_FLAG_EXTENDER has been deprecated since version 2.5.1 and should not be used in newly-written code.

Use HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER instead.

HB_OT_MATH_SCRIPT

#define HB_OT_MATH_SCRIPT HB_OT_TAG_MATH_SCRIPT

HB_OT_MATH_SCRIPT has been deprecated since version 3.4.0 and should not be used in newly-written code.

Use HB_SCRIPT_MATH or HB_OT_TAG_MATH_SCRIPT instead.

Previous versions of this documentation recommended passing HB_OT_MATH_SCRIPT to hb_buffer_set_script() to enable math shaping, but this usage is no longer supported. Use HB_SCRIPT_MATH instead.

Since: 1.3.3

HB_OT_VAR_NO_AXIS_INDEX

#define HB_OT_VAR_NO_AXIS_INDEX		0xFFFFFFFFu

HB_OT_VAR_NO_AXIS_INDEX has been deprecated since version 2.2.0 and should not be used in newly-written code.

Do not use.

Since: 1.4.2

hb_ot_var_axis_t

typedef struct {
  hb_tag_t tag;
  hb_ot_name_id_t name_id;
  float min_value;
  float default_value;
  float max_value;
} hb_ot_var_axis_t;

hb_ot_var_axis_t has been deprecated since version 2.2.0 and should not be used in newly-written code.

Use hb_ot_var_axis_info_t instead.

Members

hb_tag_t tag;

axis tag

  

hb_ot_name_id_t name_id;

axis name identifier

  

float min_value;

minimum value of the axis

  

float default_value;

default value of the axis

  

float max_value;

maximum value of the axis

  

Since: 1.4.2

HB_UNICODE_MAX_DECOMPOSITION_LEN

#define HB_UNICODE_MAX_DECOMPOSITION_LEN (18+1) /* codepoints */

HB_UNICODE_MAX_DECOMPOSITION_LEN has been deprecated since version 2.0.0 and should not be used in newly-written code.

See Unicode 6.1 for details on the maximum decomposition length.

hb_font_get_glyph_v_kerning_func_t

typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_v_kerning_func_t;

hb_font_get_glyph_v_kerning_func_t is deprecated and should not be used in newly-written code.

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 vertical text segments.

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