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hb-deprecated

hb-deprecated — Deprecated API

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


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_func_t ()

unsigned int
(*hb_unicode_eastasian_width_func_t) (hb_unicode_funcs_t *ufuncs,
                                      hb_codepoint_t unicode,
                                      void *user_data);

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


hb_unicode_decompose_compatibility_func_t ()

unsigned int
(*hb_unicode_decompose_compatibility_func_t)
                               (hb_unicode_funcs_t *ufuncs,
                                hb_codepoint_t u,
                                hb_codepoint_t *decomposed,
                                void *user_data);

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

Fully decompose u to its Unicode compatibility decomposition. The codepoints of the decomposition will be written to decomposed . The complete length of the decomposition will be returned.

If u has no compatibility decomposition, zero should be returned.

The Unicode standard guarantees that a buffer of length HB_UNICODE_MAX_DECOMPOSITION_LEN codepoints will always be sufficient for any compatibility decomposition plus an terminating value of 0. Consequently, decompose must be allocated by the caller to be at least this length. Implementations of this function type must ensure that they do not write past the provided array.

Parameters

ufuncs

a Unicode function structure

 

u

codepoint to decompose

 

decomposed

address of codepoint array (of length HB_UNICODE_MAX_DECOMPOSITION_LEN) to write decomposition into

 

user_data

user data pointer as passed to hb_unicode_funcs_set_decompose_compatibility_func()

 

Returns

number of codepoints in the full compatibility decomposition of u , or 0 if no decomposition available.


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.

Parameters

ffuncs

font functions.

 

func

.

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

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


HB_BUFFER_SERIALIZE_FLAGS_DEFAULT

#define HB_BUFFER_SERIALIZE_FLAGS_DEFAULT HB_BUFFER_SERIALIZE_FLAG_DEFAULT

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


HB_SCRIPT_CANADIAN_ABORIGINAL

#define HB_SCRIPT_CANADIAN_ABORIGINAL		HB_SCRIPT_CANADIAN_SYLLABICS

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


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


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.

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.

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.

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