Synopsis

void                hb_font_add_glyph_origin_for_direction
                                                        (hb_font_t *font,
                                                         hb_codepoint_t glyph,
                                                         hb_direction_t direction,
                                                         hb_position_t *x,
                                                         hb_position_t *y);
hb_font_t *         hb_font_create                      (hb_face_t *face);
hb_font_t *         hb_font_create_sub_font             (hb_font_t *parent);
void                hb_font_destroy                     (hb_font_t *font);
hb_font_funcs_t *   hb_font_funcs_create                (void);
void                hb_font_funcs_destroy               (hb_font_funcs_t *ffuncs);
hb_font_funcs_t *   hb_font_funcs_get_empty             (void);
void *              hb_font_funcs_get_user_data         (hb_font_funcs_t *ffuncs,
                                                         hb_user_data_key_t *key);
hb_bool_t           hb_font_funcs_is_immutable          (hb_font_funcs_t *ffuncs);
void                hb_font_funcs_make_immutable        (hb_font_funcs_t *ffuncs);
hb_font_funcs_t *   hb_font_funcs_reference             (hb_font_funcs_t *ffuncs);
void                hb_font_funcs_set_glyph_contour_point_func
                                                        (hb_font_funcs_t *ffuncs,
                                                         hb_font_get_glyph_contour_point_func_t func,
                                                         void *user_data,
                                                         hb_destroy_func_t destroy);
void                hb_font_funcs_set_glyph_extents_func
                                                        (hb_font_funcs_t *ffuncs,
                                                         hb_font_get_glyph_extents_func_t func,
                                                         void *user_data,
                                                         hb_destroy_func_t destroy);
void                hb_font_funcs_set_glyph_from_name_func
                                                        (hb_font_funcs_t *ffuncs,
                                                         hb_font_get_glyph_from_name_func_t glyph_func,
                                                         void *user_data,
                                                         hb_destroy_func_t destroy);
void                hb_font_funcs_set_glyph_func        (hb_font_funcs_t *ffuncs,
                                                         hb_font_get_glyph_func_t glyph_func,
                                                         void *user_data,
                                                         hb_destroy_func_t destroy);
void                hb_font_funcs_set_glyph_h_advance_func
                                                        (hb_font_funcs_t *ffuncs,
                                                         hb_font_get_glyph_h_advance_func_t func,
                                                         void *user_data,
                                                         hb_destroy_func_t destroy);
void                hb_font_funcs_set_glyph_h_kerning_func
                                                        (hb_font_funcs_t *ffuncs,
                                                         hb_font_get_glyph_h_kerning_func_t func,
                                                         void *user_data,
                                                         hb_destroy_func_t destroy);
void                hb_font_funcs_set_glyph_h_origin_func
                                                        (hb_font_funcs_t *ffuncs,
                                                         hb_font_get_glyph_h_origin_func_t func,
                                                         void *user_data,
                                                         hb_destroy_func_t destroy);
void                hb_font_funcs_set_glyph_name_func   (hb_font_funcs_t *ffuncs,
                                                         hb_font_get_glyph_name_func_t glyph_func,
                                                         void *user_data,
                                                         hb_destroy_func_t destroy);
void                hb_font_funcs_set_glyph_v_advance_func
                                                        (hb_font_funcs_t *ffuncs,
                                                         hb_font_get_glyph_v_advance_func_t func,
                                                         void *user_data,
                                                         hb_destroy_func_t destroy);
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);
void                hb_font_funcs_set_glyph_v_origin_func
                                                        (hb_font_funcs_t *ffuncs,
                                                         hb_font_get_glyph_v_origin_func_t func,
                                                         void *user_data,
                                                         hb_destroy_func_t destroy);
hb_bool_t           hb_font_funcs_set_user_data         (hb_font_funcs_t *ffuncs,
                                                         hb_user_data_key_t *key,
                                                         void *data,
                                                         hb_destroy_func_t destroy,
                                                         hb_bool_t replace);
typedef             hb_font_funcs_t;
hb_font_t *         hb_font_get_empty                   (void);
hb_face_t *         hb_font_get_face                    (hb_font_t *font);
hb_bool_t           hb_font_get_glyph                   (hb_font_t *font,
                                                         hb_codepoint_t unicode,
                                                         hb_codepoint_t variation_selector,
                                                         hb_codepoint_t *glyph);
void                hb_font_get_glyph_advance_for_direction
                                                        (hb_font_t *font,
                                                         hb_codepoint_t glyph,
                                                         hb_direction_t direction,
                                                         hb_position_t *x,
                                                         hb_position_t *y);
hb_position_t       (*hb_font_get_glyph_advance_func_t) (hb_font_t *font,
                                                         void *font_data,
                                                         hb_codepoint_t glyph,
                                                         void *user_data);
hb_bool_t           hb_font_get_glyph_contour_point     (hb_font_t *font,
                                                         hb_codepoint_t glyph,
                                                         unsigned int point_index,
                                                         hb_position_t *x,
                                                         hb_position_t *y);
hb_bool_t           hb_font_get_glyph_contour_point_for_origin
                                                        (hb_font_t *font,
                                                         hb_codepoint_t glyph,
                                                         unsigned int point_index,
                                                         hb_direction_t direction,
                                                         hb_position_t *x,
                                                         hb_position_t *y);
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,
                                                         hb_position_t *x,
                                                         hb_position_t *y,
                                                         void *user_data);
hb_bool_t           hb_font_get_glyph_extents           (hb_font_t *font,
                                                         hb_codepoint_t glyph,
                                                         hb_glyph_extents_t *extents);
hb_bool_t           hb_font_get_glyph_extents_for_origin
                                                        (hb_font_t *font,
                                                         hb_codepoint_t glyph,
                                                         hb_direction_t direction,
                                                         hb_glyph_extents_t *extents);
hb_bool_t           (*hb_font_get_glyph_extents_func_t) (hb_font_t *font,
                                                         void *font_data,
                                                         hb_codepoint_t glyph,
                                                         hb_glyph_extents_t *extents,
                                                         void *user_data);
hb_bool_t           hb_font_get_glyph_from_name         (hb_font_t *font,
                                                         const char *name,
                                                         int len,
                                                         hb_codepoint_t *glyph);
hb_bool_t           (*hb_font_get_glyph_from_name_func_t)
                                                        (hb_font_t *font,
                                                         void *font_data,
                                                         const char *name,
                                                         int len);
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_position_t       hb_font_get_glyph_h_advance         (hb_font_t *font,
                                                         hb_codepoint_t glyph);
typedef             hb_font_get_glyph_h_advance_func_t;
hb_position_t       hb_font_get_glyph_h_kerning         (hb_font_t *font,
                                                         hb_codepoint_t left_glyph,
                                                         hb_codepoint_t right_glyph);
typedef             hb_font_get_glyph_h_kerning_func_t;
hb_bool_t           hb_font_get_glyph_h_origin          (hb_font_t *font,
                                                         hb_codepoint_t glyph,
                                                         hb_position_t *x,
                                                         hb_position_t *y);
typedef             hb_font_get_glyph_h_origin_func_t;
void                hb_font_get_glyph_kerning_for_direction
                                                        (hb_font_t *font,
                                                         hb_codepoint_t first_glyph,
                                                         hb_codepoint_t second_glyph,
                                                         hb_direction_t direction,
                                                         hb_position_t *x,
                                                         hb_position_t *y);
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_bool_t           hb_font_get_glyph_name              (hb_font_t *font,
                                                         hb_codepoint_t glyph,
                                                         char *name,
                                                         unsigned int size);
hb_bool_t           (*hb_font_get_glyph_name_func_t)    (hb_font_t *font,
                                                         void *font_data,
                                                         hb_codepoint_t glyph,
                                                         char *name,
                                                         unsigned int size,
                                                         void *user_data);
void                hb_font_get_glyph_origin_for_direction
                                                        (hb_font_t *font,
                                                         hb_codepoint_t glyph,
                                                         hb_direction_t direction,
                                                         hb_position_t *x,
                                                         hb_position_t *y);
hb_bool_t           (*hb_font_get_glyph_origin_func_t)  (hb_font_t *font,
                                                         void *font_data,
                                                         hb_codepoint_t glyph,
                                                         hb_position_t *x,
                                                         hb_position_t *y,
                                                         void *user_data);
hb_position_t       hb_font_get_glyph_v_advance         (hb_font_t *font,
                                                         hb_codepoint_t glyph);
typedef             hb_font_get_glyph_v_advance_func_t;
hb_position_t       hb_font_get_glyph_v_kerning         (hb_font_t *font,
                                                         hb_codepoint_t top_glyph,
                                                         hb_codepoint_t bottom_glyph);
typedef             hb_font_get_glyph_v_kerning_func_t;
hb_bool_t           hb_font_get_glyph_v_origin          (hb_font_t *font,
                                                         hb_codepoint_t glyph,
                                                         hb_position_t *x,
                                                         hb_position_t *y);
typedef             hb_font_get_glyph_v_origin_func_t;
hb_font_t *         hb_font_get_parent                  (hb_font_t *font);
void                hb_font_get_ppem                    (hb_font_t *font,
                                                         unsigned int *x_ppem,
                                                         unsigned int *y_ppem);
void                hb_font_get_scale                   (hb_font_t *font,
                                                         int *x_scale,
                                                         int *y_scale);
void *              hb_font_get_user_data               (hb_font_t *font,
                                                         hb_user_data_key_t *key);
hb_bool_t           hb_font_glyph_from_string           (hb_font_t *font,
                                                         const char *s,
                                                         int len,
                                                         hb_codepoint_t *glyph);
void                hb_font_glyph_to_string             (hb_font_t *font,
                                                         hb_codepoint_t glyph,
                                                         char *s,
                                                         unsigned int size);
hb_bool_t           hb_font_is_immutable                (hb_font_t *font);
void                hb_font_make_immutable              (hb_font_t *font);
hb_font_t *         hb_font_reference                   (hb_font_t *font);
void                hb_font_set_funcs                   (hb_font_t *font,
                                                         hb_font_funcs_t *klass,
                                                         void *font_data,
                                                         hb_destroy_func_t destroy);
void                hb_font_set_funcs_data              (hb_font_t *font,
                                                         void *font_data,
                                                         hb_destroy_func_t destroy);
void                hb_font_set_ppem                    (hb_font_t *font,
                                                         unsigned int x_ppem,
                                                         unsigned int y_ppem);
void                hb_font_set_scale                   (hb_font_t *font,
                                                         int x_scale,
                                                         int y_scale);
hb_bool_t           hb_font_set_user_data               (hb_font_t *font,
                                                         hb_user_data_key_t *key,
                                                         void *data,
                                                         hb_destroy_func_t destroy,
                                                         hb_bool_t replace);
void                hb_font_subtract_glyph_origin_for_direction
                                                        (hb_font_t *font,
                                                         hb_codepoint_t glyph,
                                                         hb_direction_t direction,
                                                         hb_position_t *x,
                                                         hb_position_t *y);
typedef             hb_font_t;
hb_blob_t *         (*hb_reference_table_func_t)        (hb_face_t *face,
                                                         hb_tag_t tag,
                                                         void *user_data);