diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/hb-subset.h')
| -rw-r--r-- | thirdparty/harfbuzz/src/hb-subset.h | 123 |
1 files changed, 88 insertions, 35 deletions
diff --git a/thirdparty/harfbuzz/src/hb-subset.h b/thirdparty/harfbuzz/src/hb-subset.h index ddf4409734..1c65a4da1c 100644 --- a/thirdparty/harfbuzz/src/hb-subset.h +++ b/thirdparty/harfbuzz/src/hb-subset.h @@ -31,66 +31,119 @@ HB_BEGIN_DECLS -/* - * hb_subset_input_t +/** + * hb_subset_input_t: * * Things that change based on the input. Characters to keep, etc. */ typedef struct hb_subset_input_t hb_subset_input_t; +/** + * hb_subset_flags_t: + * @HB_SUBSET_FLAGS_DEFAULT: all flags at their default value of false. + * @HB_SUBSET_FLAGS_NO_HINTING: If set hinting instructions will be dropped in + * the produced subset. Otherwise hinting instructions will be retained. + * @HB_SUBSET_FLAGS_RETAIN_GIDS: If set glyph indices will not be modified in + * the produced subset. If glyphs are dropped their indices will be retained + * as an empty glyph. + * @HB_SUBSET_FLAGS_DESUBROUTINIZE: If set and subsetting a CFF font the + * subsetter will attempt to remove subroutines from the CFF glyphs. + * @HB_SUBSET_FLAGS_NAME_LEGACY: If set non-unicode name records will be + * retained in the subset. + * @HB_SUBSET_FLAGS_SET_OVERLAPS_FLAG: If set the subsetter will set the + * OVERLAP_SIMPLE flag on each simple glyph. + * @HB_SUBSET_FLAGS_PASSTHROUGH_UNRECOGNIZED: If set the subsetter will not + * drop unrecognized tables and instead pass them through untouched. + * @HB_SUBSET_FLAGS_NOTDEF_OUTLINE: If set the notdef glyph outline will be + * retained in the final subset. + * @HB_SUBSET_FLAGS_GLYPH_NAMES: If set the PS glyph names will be retained + * in the final subset. + * @HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES: If set then the unicode ranges in + * OS/2 will not be recalculated. + * + * List of boolean properties that can be configured on the subset input. + * + * Since: 2.9.0 + **/ +typedef enum { /*< flags >*/ + HB_SUBSET_FLAGS_DEFAULT = 0x00000000u, + HB_SUBSET_FLAGS_NO_HINTING = 0x00000001u, + HB_SUBSET_FLAGS_RETAIN_GIDS = 0x00000002u, + HB_SUBSET_FLAGS_DESUBROUTINIZE = 0x00000004u, + HB_SUBSET_FLAGS_NAME_LEGACY = 0x00000008u, + HB_SUBSET_FLAGS_SET_OVERLAPS_FLAG = 0x00000010u, + HB_SUBSET_FLAGS_PASSTHROUGH_UNRECOGNIZED = 0x00000020u, + HB_SUBSET_FLAGS_NOTDEF_OUTLINE = 0x00000040u, + HB_SUBSET_FLAGS_GLYPH_NAMES = 0x00000080u, + HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES = 0x00000100u, +} hb_subset_flags_t; + +/** + * hb_subset_sets_t: + * @HB_SUBSET_SETS_GLYPH_INDEX: the set of glyph indexes to retain in the subset. + * @HB_SUBSET_SETS_UNICODE: the set of unicode codepoints to retain in the subset. + * @HB_SUBSET_SETS_NO_SUBSET_TABLE_TAG: the set of table tags which specifies tables that should not be + * subsetted. + * @HB_SUBSET_SETS_DROP_TABLE_TAG: the set of table tags which specifies tables which will be dropped + * in the subset. + * @HB_SUBSET_SETS_NAME_ID: the set of name ids that will be retained. + * @HB_SUBSET_SETS_NAME_LANG_ID: the set of name lang ids that will be retained. + * @HB_SUBSET_SETS_LAYOUT_FEATURE_TAG: the set of layout feature tags that will be retained + * in the subset. + * + * List of sets that can be configured on the subset input. + * + * Since: 2.9.1 + **/ +typedef enum { + HB_SUBSET_SETS_GLYPH_INDEX = 0, + HB_SUBSET_SETS_UNICODE, + HB_SUBSET_SETS_NO_SUBSET_TABLE_TAG, + HB_SUBSET_SETS_DROP_TABLE_TAG, + HB_SUBSET_SETS_NAME_ID, + HB_SUBSET_SETS_NAME_LANG_ID, + HB_SUBSET_SETS_LAYOUT_FEATURE_TAG, +} hb_subset_sets_t; + HB_EXTERN hb_subset_input_t * hb_subset_input_create_or_fail (void); HB_EXTERN hb_subset_input_t * -hb_subset_input_reference (hb_subset_input_t *subset_input); +hb_subset_input_reference (hb_subset_input_t *input); HB_EXTERN void -hb_subset_input_destroy (hb_subset_input_t *subset_input); +hb_subset_input_destroy (hb_subset_input_t *input); -HB_EXTERN hb_set_t * -hb_subset_input_unicode_set (hb_subset_input_t *subset_input); +HB_EXTERN hb_bool_t +hb_subset_input_set_user_data (hb_subset_input_t *input, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace); -HB_EXTERN hb_set_t * -hb_subset_input_glyph_set (hb_subset_input_t *subset_input); +HB_EXTERN void * +hb_subset_input_get_user_data (const hb_subset_input_t *input, + hb_user_data_key_t *key); HB_EXTERN hb_set_t * -hb_subset_input_nameid_set (hb_subset_input_t *subset_input); +hb_subset_input_unicode_set (hb_subset_input_t *input); HB_EXTERN hb_set_t * -hb_subset_input_namelangid_set (hb_subset_input_t *subset_input); +hb_subset_input_glyph_set (hb_subset_input_t *input); HB_EXTERN hb_set_t * -hb_subset_input_drop_tables_set (hb_subset_input_t *subset_input); +hb_subset_input_set (hb_subset_input_t *input, hb_subset_sets_t set_type); -HB_EXTERN void -hb_subset_input_set_drop_hints (hb_subset_input_t *subset_input, - hb_bool_t drop_hints); -HB_EXTERN hb_bool_t -hb_subset_input_get_drop_hints (hb_subset_input_t *subset_input); +HB_EXTERN hb_subset_flags_t +hb_subset_input_get_flags (hb_subset_input_t *input); HB_EXTERN void -hb_subset_input_set_desubroutinize (hb_subset_input_t *subset_input, - hb_bool_t desubroutinize); -HB_EXTERN hb_bool_t -hb_subset_input_get_desubroutinize (hb_subset_input_t *subset_input); - -HB_EXTERN void -hb_subset_input_set_retain_gids (hb_subset_input_t *subset_input, - hb_bool_t retain_gids); -HB_EXTERN hb_bool_t -hb_subset_input_get_retain_gids (hb_subset_input_t *subset_input); +hb_subset_input_set_flags (hb_subset_input_t *input, + unsigned value); -HB_EXTERN void -hb_subset_input_set_name_legacy (hb_subset_input_t *subset_input, - hb_bool_t name_legacy); -HB_EXTERN hb_bool_t -hb_subset_input_get_name_legacy (hb_subset_input_t *subset_input); - -/* hb_subset () */ HB_EXTERN hb_face_t * -hb_subset (hb_face_t *source, hb_subset_input_t *input); - +hb_subset_or_fail (hb_face_t *source, const hb_subset_input_t *input); HB_END_DECLS |