diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-subset.h')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-subset.h | 184 |
1 files changed, 122 insertions, 62 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset.h b/src/3rdparty/harfbuzz-ng/src/hb-subset.h index 164a6f9360..73dcae4660 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-subset.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-subset.h @@ -28,6 +28,7 @@ #define HB_SUBSET_H #include "hb.h" +#include "hb-ot.h" HB_BEGIN_DECLS @@ -40,6 +41,15 @@ HB_BEGIN_DECLS typedef struct hb_subset_input_t hb_subset_input_t; /** + * 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. + */ + +typedef struct 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 @@ -61,10 +71,13 @@ typedef struct hb_subset_input_t hb_subset_input_t; * 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_RETAIN_ALL_FEATURES: If set all layout features will be - * retained. If unset then the set accessed by - * hb_subset_input_layout_features_set() will be used to determine the features - * to be retained. + * @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_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 + * @HB_SUBSET_FLAGS_OPTIMIZE_IUP_DELTAS: If set perform IUP delta optimization on the + * remaining gvar table's deltas. Since: EXPERIMENTAL * * List of boolean properties that can be configured on the subset input. * @@ -81,9 +94,43 @@ typedef enum { /*< flags >*/ HB_SUBSET_FLAGS_NOTDEF_OUTLINE = 0x00000040u, HB_SUBSET_FLAGS_GLYPH_NAMES = 0x00000080u, HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES = 0x00000100u, - HB_SUBSET_FLAGS_RETAIN_ALL_FEATURES = 0x00000200u, + HB_SUBSET_FLAGS_NO_LAYOUT_CLOSURE = 0x00000200u, +#ifdef HB_EXPERIMENTAL_API + HB_SUBSET_FLAGS_IFTB_REQUIREMENTS = 0x00000400u, + HB_SUBSET_FLAGS_OPTIMIZE_IUP_DELTAS = 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 + **/ +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_LAYOUT_SCRIPT_TAG, +} hb_subset_sets_t; + HB_EXTERN hb_subset_input_t * hb_subset_input_create_or_fail (void); @@ -102,7 +149,10 @@ hb_subset_input_set_user_data (hb_subset_input_t *input, HB_EXTERN void * hb_subset_input_get_user_data (const hb_subset_input_t *input, - hb_user_data_key_t *key); + hb_user_data_key_t *key); + +HB_EXTERN void +hb_subset_input_keep_everything (hb_subset_input_t *input); HB_EXTERN hb_set_t * hb_subset_input_unicode_set (hb_subset_input_t *input); @@ -111,19 +161,10 @@ HB_EXTERN hb_set_t * hb_subset_input_glyph_set (hb_subset_input_t *input); HB_EXTERN hb_set_t * -hb_subset_input_nameid_set (hb_subset_input_t *input); +hb_subset_input_set (hb_subset_input_t *input, hb_subset_sets_t set_type); -HB_EXTERN hb_set_t * -hb_subset_input_namelangid_set (hb_subset_input_t *input); - -HB_EXTERN hb_set_t * -hb_subset_input_layout_features_set (hb_subset_input_t *input); - -HB_EXTERN hb_set_t * -hb_subset_input_no_subset_tables_set (hb_subset_input_t *input); - -HB_EXTERN hb_set_t * -hb_subset_input_drop_tables_set (hb_subset_input_t *input); +HB_EXTERN hb_map_t* +hb_subset_input_old_to_new_glyph_mapping (hb_subset_input_t *input); HB_EXTERN hb_subset_flags_t hb_subset_input_get_flags (hb_subset_input_t *input); @@ -132,69 +173,88 @@ HB_EXTERN void hb_subset_input_set_flags (hb_subset_input_t *input, unsigned value); -HB_EXTERN hb_face_t * -hb_subset_or_fail (hb_face_t *source, const hb_subset_input_t *input); - - -/* - * ### Legacy API ### - * The methods below are part of the legacy harfbuzz subsetting API and will be - * Removed as of version 3.0.0 - */ +HB_EXTERN hb_bool_t +hb_subset_input_pin_all_axes_to_default (hb_subset_input_t *input, + hb_face_t *face); -HB_EXTERN void -hb_subset_input_set_retain_all_features (hb_subset_input_t *subset_input, - hb_bool_t value); HB_EXTERN hb_bool_t -hb_subset_input_get_retain_all_features (hb_subset_input_t *subset_input); +hb_subset_input_pin_axis_to_default (hb_subset_input_t *input, + hb_face_t *face, + hb_tag_t axis_tag); -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_subset_input_pin_axis_location (hb_subset_input_t *input, + hb_face_t *face, + hb_tag_t axis_tag, + float axis_value); -HB_EXTERN void -hb_subset_input_set_desubroutinize (hb_subset_input_t *subset_input, - hb_bool_t desubroutinize); +#ifdef HB_EXPERIMENTAL_API HB_EXTERN hb_bool_t -hb_subset_input_get_desubroutinize (hb_subset_input_t *subset_input); +hb_subset_input_get_axis_range (hb_subset_input_t *input, + hb_tag_t axis_tag, + float *axis_min_value, + float *axis_max_value, + float *axis_def_value); -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_axis_range (hb_subset_input_t *input, + hb_face_t *face, + hb_tag_t axis_tag, + float axis_min_value, + float axis_max_value, + float axis_def_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_input_override_name_table (hb_subset_input_t *input, + hb_ot_name_id_t name_id, + unsigned platform_id, + unsigned encoding_id, + unsigned language_id, + const char *name_str, + int str_len); -HB_EXTERN void -hb_subset_input_set_overlaps_flag (hb_subset_input_t *subset_input, - hb_bool_t overlaps_flag); +#endif -HB_EXTERN hb_bool_t -hb_subset_input_get_overlaps_flag (hb_subset_input_t *subset_input); +HB_EXTERN hb_face_t * +hb_subset_preprocess (hb_face_t *source); -HB_EXTERN void -hb_subset_input_set_notdef_outline (hb_subset_input_t *subset_input, - hb_bool_t notdef_outline); +HB_EXTERN hb_face_t * +hb_subset_or_fail (hb_face_t *source, const hb_subset_input_t *input); -HB_EXTERN hb_bool_t -hb_subset_input_get_notdef_outline (hb_subset_input_t *subset_input); +HB_EXTERN hb_face_t * +hb_subset_plan_execute_or_fail (hb_subset_plan_t *plan); + +HB_EXTERN hb_subset_plan_t * +hb_subset_plan_create_or_fail (hb_face_t *face, + const hb_subset_input_t *input); HB_EXTERN void -hb_subset_input_set_no_prune_unicode_ranges (hb_subset_input_t *subset_input, - hb_bool_t no_prune_unicode_ranges); +hb_subset_plan_destroy (hb_subset_plan_t *plan); + +HB_EXTERN hb_map_t * +hb_subset_plan_old_to_new_glyph_mapping (const hb_subset_plan_t *plan); + +HB_EXTERN hb_map_t * +hb_subset_plan_new_to_old_glyph_mapping (const hb_subset_plan_t *plan); + +HB_EXTERN hb_map_t * +hb_subset_plan_unicode_to_old_glyph_mapping (const hb_subset_plan_t *plan); + + +HB_EXTERN hb_subset_plan_t * +hb_subset_plan_reference (hb_subset_plan_t *plan); HB_EXTERN hb_bool_t -hb_subset_input_get_no_prune_unicode_ranges (hb_subset_input_t *subset_input); +hb_subset_plan_set_user_data (hb_subset_plan_t *plan, + hb_user_data_key_t *key, + void *data, + hb_destroy_func_t destroy, + hb_bool_t replace); + +HB_EXTERN void * +hb_subset_plan_get_user_data (const hb_subset_plan_t *plan, + hb_user_data_key_t *key); -HB_EXTERN hb_face_t * -hb_subset (hb_face_t *source, hb_subset_input_t *input); HB_END_DECLS |