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-rw-r--r--gfx/harfbuzz/src/hb-subset.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/gfx/harfbuzz/src/hb-subset.h b/gfx/harfbuzz/src/hb-subset.h
index d79e7f762a..73dcae4660 100644
--- a/gfx/harfbuzz/src/hb-subset.h
+++ b/gfx/harfbuzz/src/hb-subset.h
@@ -76,6 +76,8 @@ typedef struct hb_subset_plan_t hb_subset_plan_t;
* @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.
*
@@ -95,6 +97,7 @@ typedef enum { /*< flags >*/
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;
@@ -171,6 +174,10 @@ 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);
@@ -183,12 +190,19 @@ hb_subset_input_pin_axis_location (hb_subset_input_t *input,
#ifdef HB_EXPERIMENTAL_API
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);
+ float axis_def_value);
HB_EXTERN hb_bool_t
hb_subset_input_override_name_table (hb_subset_input_t *input,