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hb-face

hb-face — Font face objects

Types and Values

typedef hb_face_t

Object Hierarchy

    GBoxed
    ╰── hb_face_t

Includes

#include <hb.h>

Description

Font face is objects represent a single face in a font family. More exactly, a font face represents a single face in a binary font file. Font faces are typically built from a binary blob and a face index. Font faces are used to create fonts.

Functions

hb_face_count ()

unsigned int
hb_face_count (hb_blob_t *blob);

Get number of faces in a blob.

Parameters

blob

a blob.

 

Returns

Number of faces in blob

Since: 1.7.7


hb_face_create ()

hb_face_t *
hb_face_create (hb_blob_t *blob,
                unsigned int index);

[Xconstructor]

Returns

.

[transfer full]

Since: 0.9.2


hb_face_create_for_tables ()

hb_face_t *
hb_face_create_for_tables (hb_reference_table_func_t reference_table_func,
                           void *user_data,
                           hb_destroy_func_t destroy);

Parameters

reference_table_func

.

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

Returns

(transfer full)

Since: 0.9.2


hb_face_destroy ()

void
hb_face_destroy (hb_face_t *face);

[skip]

Parameters

face

a face.

 

Since: 0.9.2


hb_face_get_empty ()

hb_face_t *
hb_face_get_empty (void);

Returns

(transfer full)

Since: 0.9.2


hb_face_get_table_tags ()

unsigned int
hb_face_get_table_tags (const hb_face_t *face,
                        unsigned int start_offset,
                        unsigned int *table_count,
                        hb_tag_t *table_tags);

Retrieves table tags for a face, if possible.

Parameters

face

a face.

 

start_offset

index of first tag to return.

 

table_count

input length of table_tags array, output number of items written.

 

table_tags

array to write tags into.

 

Returns

total number of tables, or 0 if not possible to list.

Since: 1.6.0


hb_face_get_glyph_count ()

unsigned int
hb_face_get_glyph_count (const hb_face_t *face);

Parameters

face

a face.

 

Since: 0.9.7


hb_face_get_index ()

unsigned int
hb_face_get_index (const hb_face_t *face);

Parameters

face

a face.

 

Since: 0.9.2


hb_face_get_upem ()

unsigned int
hb_face_get_upem (const hb_face_t *face);

Parameters

face

a face.

 

Since: 0.9.2


hb_face_get_user_data ()

void *
hb_face_get_user_data (const hb_face_t *face,
                       hb_user_data_key_t *key);

[skip]

Parameters

face

a face.

 

Returns

.

[transfer none]

Since: 0.9.2


hb_face_is_immutable ()

hb_bool_t
hb_face_is_immutable (const hb_face_t *face);

Parameters

face

a face.

 

Since: 0.9.2


hb_face_make_immutable ()

void
hb_face_make_immutable (hb_face_t *face);

Parameters

face

a face.

 

Since: 0.9.2


hb_face_reference ()

hb_face_t *
hb_face_reference (hb_face_t *face);

[skip]

Parameters

face

a face.

 

Since: 0.9.2


hb_face_reference_blob ()

hb_blob_t *
hb_face_reference_blob (hb_face_t *face);

Parameters

face

a face.

 

Returns

.

[transfer full]

Since: 0.9.2


hb_face_reference_table ()

hb_blob_t *
hb_face_reference_table (const hb_face_t *face,
                         hb_tag_t tag);

Parameters

face

a face.

 

Returns

.

[transfer full]

Since: 0.9.2


hb_face_set_glyph_count ()

void
hb_face_set_glyph_count (hb_face_t *face,
                         unsigned int glyph_count);

Parameters

face

a face.

 

Since: 0.9.7


hb_face_set_index ()

void
hb_face_set_index (hb_face_t *face,
                   unsigned int index);

Parameters

face

a face.

 

Since: 0.9.2


hb_face_set_upem ()

void
hb_face_set_upem (hb_face_t *face,
                  unsigned int upem);

Parameters

face

a face.

 

Since: 0.9.2


hb_face_set_user_data ()

hb_bool_t
hb_face_set_user_data (hb_face_t *face,
                       hb_user_data_key_t *key,
                       void *data,
                       hb_destroy_func_t destroy,
                       hb_bool_t replace);

[skip]

Parameters

face

a face.

 

Since: 0.9.2


hb_face_collect_unicodes ()

void
hb_face_collect_unicodes (hb_face_t *face,
                          hb_set_t *out);

Parameters

face

font face.

 

out

set to add Unicode characters covered by face to.

 

Since: 1.9.0


hb_face_collect_variation_selectors ()

void
hb_face_collect_variation_selectors (hb_face_t *face,
                                     hb_set_t *out);

Parameters

face

font face.

 

out

set to add Variation Selector characters covered by face to.

 

Since: 1.9.0


hb_face_collect_variation_unicodes ()

void
hb_face_collect_variation_unicodes (hb_face_t *face,
                                    hb_codepoint_t variation_selector,
                                    hb_set_t *out);

Parameters

face

font face.

 

out

set to add Unicode characters for variation_selector covered by face to.

 

Since: 1.9.0


hb_face_builder_create ()

hb_face_t *
hb_face_builder_create (void);

Creates a hb_face_t that can be used with hb_face_builder_add_table(). After tables are added to the face, it can be compiled to a binary font file by calling hb_face_reference_blob().

Returns

New face.

[transfer full]

Since: 1.9.0


hb_face_builder_add_table ()

hb_bool_t
hb_face_builder_add_table (hb_face_t *face,
                           hb_tag_t tag,
                           hb_blob_t *blob);

Add table for tag with data provided by blob to the face. face must be created using hb_face_builder_create().

Since: 1.9.0

Types and Values

hb_face_t

typedef struct hb_face_t hb_face_t;
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