diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/hb-subset.h')
| -rw-r--r-- | thirdparty/harfbuzz/src/hb-subset.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/thirdparty/harfbuzz/src/hb-subset.h b/thirdparty/harfbuzz/src/hb-subset.h index a2799d91e8..6a2c5f6114 100644 --- a/thirdparty/harfbuzz/src/hb-subset.h +++ b/thirdparty/harfbuzz/src/hb-subset.h @@ -70,6 +70,14 @@ typedef struct hb_subset_plan_t hb_subset_plan_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_PATCH_MODE: If set the subsetter behaviour will be modified + * to produce a subset that is better suited to patching. For example cmap + * subtable format will be kept stable. + * @HB_SUBSET_FLAGS_OMIT_GLYF: If set the subsetter won't actually produce the final + * glyf table bytes. The table directory will include and entry as if the table was + * there but the actual final font blob will be truncated prior to the glyf data. This + * is a useful performance optimization when a font aware binary patching algorithm + * is being used to diff two subsets. * * List of boolean properties that can be configured on the subset input. * @@ -86,6 +94,8 @@ typedef enum { /*< flags >*/ HB_SUBSET_FLAGS_NOTDEF_OUTLINE = 0x00000040u, HB_SUBSET_FLAGS_GLYPH_NAMES = 0x00000080u, HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES = 0x00000100u, + // Not supported yet: HB_SUBSET_FLAGS_PATCH_MODE = 0x00000200u, + // Not supported yet: HB_SUBSET_FLAGS_OMIT_GLYF = 0x00000400u, } hb_subset_flags_t; /** @@ -100,6 +110,8 @@ 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. * @@ -113,6 +125,7 @@ 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 * @@ -151,6 +164,28 @@ HB_EXTERN void hb_subset_input_set_flags (hb_subset_input_t *input, unsigned value); +#ifdef HB_EXPERIMENTAL_API +#ifndef HB_NO_VAR +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); +#endif +#endif + +#ifdef HB_EXPERIMENTAL_API + +HB_EXTERN hb_face_t * +hb_subset_preprocess (hb_face_t *source); + +#endif + HB_EXTERN hb_face_t * hb_subset_or_fail (hb_face_t *source, const hb_subset_input_t *input); |