/** * hb_subset_plan_t: * * Contains information about how the subset operation will be executed. * Such as mappings from the old glyph ids to the new ones in the subset.
*/
typedefstruct hb_subset_plan_t hb_subset_plan_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. * @HB_SUBSET_FLAGS_NO_LAYOUT_CLOSURE: If set don't perform glyph closure on layout * substitution rules (GSUB). Since: 7.2.0. * @HB_SUBSET_FLAGS_OPTIMIZE_IUP_DELTAS: If set perform IUP delta optimization on the * remaining gvar table's deltas. Since: 8.5.0 * @HB_SUBSET_FLAGS_IFTB_REQUIREMENTS: If set enforce requirements on the output subset * to allow it to be used with incremental font transfer IFTB patches. Primarily, * this forces all outline data to use long (32 bit) offsets. Since: EXPERIMENTAL * * List of boolean properties that can be configured on the subset input. * * Since: 2.9.0
**/ typedefenum { /*< 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_NO_LAYOUT_CLOSURE = 0x00000200u,
HB_SUBSET_FLAGS_OPTIMIZE_IUP_DELTAS = 0x00000400u, #ifdef HB_EXPERIMENTAL_API
HB_SUBSET_FLAGS_IFTB_REQUIREMENTS = 0x00000800u, #endif
} 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. * @HB_SUBSET_SETS_LAYOUT_SCRIPT_TAG: the set of layout script tags that will be retained * in the subset. Defaults to all tags. Since: 5.0.0 * * List of sets that can be configured on the subset input. * * Since: 2.9.1
**/ typedefenum {
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_LAYOUT_SCRIPT_TAG,
} hb_subset_sets_t;
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