Imported Upstream version 8.2.2

[platform/upstream/harfbuzz.git] / src / hb-subset.h

diff --git a/src/hb-subset.h b/src/hb-subset.h
index 1c65a4d..4c35699 100644 (file)
--- a/src/hb-subset.h
+++ b/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 +71,8 @@ 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.
  *
  * List of boolean properties that can be configured on the subset input.
  *
@@ -77,6 +89,7 @@ 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_t;
 
 /**
@@ -91,6 +104,8 @@ 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 +119,7 @@ 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 +140,10 @@ 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 +154,9 @@ 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 +164,78 @@ HB_EXTERN void
 hb_subset_input_set_flags (hb_subset_input_t *input,
                           unsigned value);
 
+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);
+
+#ifdef HB_EXPERIMENTAL_API
+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);
+
+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 */