diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-subset.h')
-rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-subset.h | 112 |
1 files changed, 111 insertions, 1 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset.h b/src/3rdparty/harfbuzz-ng/src/hb-subset.h index 1c65a4da1c..365c21a630 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 @@ -61,6 +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_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. * @@ -77,6 +94,11 @@ 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_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; /** @@ -91,6 +113,8 @@ typedef enum { /*< flags >*/ * @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. * @@ -104,6 +128,7 @@ typedef enum { 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 * @@ -124,7 +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); @@ -135,6 +163,9 @@ hb_subset_input_glyph_set (hb_subset_input_t *input); HB_EXTERN hb_set_t * hb_subset_input_set (hb_subset_input_t *input, hb_subset_sets_t set_type); +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); @@ -142,9 +173,88 @@ HB_EXTERN void hb_subset_input_set_flags (hb_subset_input_t *input, unsigned value); +HB_EXTERN hb_bool_t +hb_subset_input_pin_all_axes_to_default (hb_subset_input_t *input, + hb_face_t *face); + +HB_EXTERN hb_bool_t +hb_subset_input_pin_axis_to_default (hb_subset_input_t *input, + hb_face_t *face, + hb_tag_t axis_tag); + +HB_EXTERN hb_bool_t +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 hb_bool_t +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 hb_bool_t +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); + +#ifdef HB_EXPERIMENTAL_API +HB_EXTERN hb_bool_t +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); +#endif + +HB_EXTERN hb_face_t * +hb_subset_preprocess (hb_face_t *source); + HB_EXTERN hb_face_t * hb_subset_or_fail (hb_face_t *source, const hb_subset_input_t *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_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_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_END_DECLS #endif /* HB_SUBSET_H */ |