[var] Add hb_var_coord_t and parsing routines
diff --git a/src/hb-common.h b/src/hb-common.h
index dd72a9d..e483fb8 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -362,7 +362,7 @@
typedef void (*hb_destroy_func_t) (void *user_data);
-/* Font features. */
+/* Font features and variations. */
typedef struct hb_feature_t {
hb_tag_t tag;
@@ -379,6 +379,19 @@
hb_feature_to_string (hb_feature_t *feature,
char *buf, unsigned int size);
+typedef struct hb_var_coord_t {
+ hb_tag_t tag;
+ float value;
+} hb_var_coord_t;
+
+HB_EXTERN hb_bool_t
+hb_var_coord_from_string (const char *str, int len,
+ hb_var_coord_t *var_coord);
+
+HB_EXTERN void
+hb_var_coord_to_string (hb_var_coord_t *var_coord,
+ char *buf, unsigned int size);
+
HB_END_DECLS
