< prev index next >
src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-layout.h
Print this page
@@ -31,11 +31,11 @@
#ifndef HB_OT_LAYOUT_H
#define HB_OT_LAYOUT_H
#include "hb.h"
-#include "hb-ot-tag.h"
+#include "hb-ot-name.h"
HB_BEGIN_DECLS
#define HB_OT_TAG_BASE HB_TAG('B','A','S','E')
@@ -44,10 +44,51 @@
#define HB_OT_TAG_GPOS HB_TAG('G','P','O','S')
#define HB_OT_TAG_JSTF HB_TAG('J','S','T','F')
/*
+ * Script & Language tags.
+ */
+
+#define HB_OT_TAG_DEFAULT_SCRIPT HB_TAG ('D', 'F', 'L', 'T')
+#define HB_OT_TAG_DEFAULT_LANGUAGE HB_TAG ('d', 'f', 'l', 't')
+
+/**
+ * HB_OT_MAX_TAGS_PER_SCRIPT:
+ *
+ * Since: 2.0.0
+ **/
+#define HB_OT_MAX_TAGS_PER_SCRIPT 3u
+/**
+ * HB_OT_MAX_TAGS_PER_LANGUAGE:
+ *
+ * Since: 2.0.0
+ **/
+#define HB_OT_MAX_TAGS_PER_LANGUAGE 3u
+
+HB_EXTERN void
+hb_ot_tags_from_script_and_language (hb_script_t script,
+ hb_language_t language,
+ unsigned int *script_count /* IN/OUT */,
+ hb_tag_t *script_tags /* OUT */,
+ unsigned int *language_count /* IN/OUT */,
+ hb_tag_t *language_tags /* OUT */);
+
+HB_EXTERN hb_script_t
+hb_ot_tag_to_script (hb_tag_t tag);
+
+HB_EXTERN hb_language_t
+hb_ot_tag_to_language (hb_tag_t tag);
+
+HB_EXTERN void
+hb_ot_tags_to_script_and_language (hb_tag_t script_tag,
+ hb_tag_t language_tag,
+ hb_script_t *script /* OUT */,
+ hb_language_t *language /* OUT */);
+
+
+/*
* GDEF
*/
HB_EXTERN hb_bool_t
hb_ot_layout_has_glyph_classes (hb_face_t *face);
@@ -109,17 +150,17 @@
hb_ot_layout_table_find_script (hb_face_t *face,
hb_tag_t table_tag,
hb_tag_t script_tag,
unsigned int *script_index);
-/* Like find_script, but takes zero-terminated array of scripts to test */
HB_EXTERN hb_bool_t
-hb_ot_layout_table_choose_script (hb_face_t *face,
+hb_ot_layout_table_select_script (hb_face_t *face,
hb_tag_t table_tag,
+ unsigned int script_count,
const hb_tag_t *script_tags,
- unsigned int *script_index,
- hb_tag_t *chosen_script);
+ unsigned int *script_index /* OUT */,
+ hb_tag_t *chosen_script /* OUT */);
HB_EXTERN unsigned int
hb_ot_layout_table_get_feature_tags (hb_face_t *face,
hb_tag_t table_tag,
unsigned int start_offset,
@@ -133,15 +174,16 @@
unsigned int start_offset,
unsigned int *language_count /* IN/OUT */,
hb_tag_t *language_tags /* OUT */);
HB_EXTERN hb_bool_t
-hb_ot_layout_script_find_language (hb_face_t *face,
+hb_ot_layout_script_select_language (hb_face_t *face,
hb_tag_t table_tag,
unsigned int script_index,
- hb_tag_t language_tag,
- unsigned int *language_index);
+ unsigned int language_count,
+ const hb_tag_t *language_tags,
+ unsigned int *language_index /* OUT */);
HB_EXTERN hb_bool_t
hb_ot_layout_language_get_required_feature_index (hb_face_t *face,
hb_tag_t table_tag,
unsigned int script_index,
@@ -192,10 +234,17 @@
HB_EXTERN unsigned int
hb_ot_layout_table_get_lookup_count (hb_face_t *face,
hb_tag_t table_tag);
+HB_EXTERN void
+hb_ot_layout_collect_features (hb_face_t *face,
+ hb_tag_t table_tag,
+ const hb_tag_t *scripts,
+ const hb_tag_t *languages,
+ const hb_tag_t *features,
+ hb_set_t *feature_indexes /* OUT */);
HB_EXTERN void
hb_ot_layout_collect_lookups (hb_face_t *face,
hb_tag_t table_tag,
const hb_tag_t *scripts,
@@ -316,29 +365,32 @@
* https://docs.microsoft.com/en-us/typography/opentype/spec/features_pt#size */
HB_EXTERN hb_bool_t
hb_ot_layout_get_size_params (hb_face_t *face,
unsigned int *design_size, /* OUT. May be NULL */
unsigned int *subfamily_id, /* OUT. May be NULL */
- unsigned int *subfamily_name_id, /* OUT. May be NULL */
+ hb_ot_name_id_t *subfamily_name_id, /* OUT. May be NULL */
unsigned int *range_start, /* OUT. May be NULL */
unsigned int *range_end /* OUT. May be NULL */);
-/*
- * BASE
- */
-#if 0
-
-#define HB_OT_TAG_BASE_HANG HB_TAG('h','a','n','g')
-#define HB_OT_TAG_BASE_ICFB HB_TAG('i','c','f','b')
-#define HB_OT_TAG_BASE_ICFT HB_TAG('i','c','f','t')
-#define HB_OT_TAG_BASE_IDEO HB_TAG('i','d','e','o')
-#define HB_OT_TAG_BASE_IDTB HB_TAG('i','d','t','b')
-#define HB_OT_TAG_BASE_MATH HB_TAG('m','a','t','h')
-#define HB_OT_TAG_BASE_ROMN HB_TAG('r','o','m','n')
+HB_EXTERN hb_bool_t
+hb_ot_layout_feature_get_name_ids (hb_face_t *face,
+ hb_tag_t table_tag,
+ unsigned int feature_index,
+ hb_ot_name_id_t *label_id /* OUT. May be NULL */,
+ hb_ot_name_id_t *tooltip_id /* OUT. May be NULL */,
+ hb_ot_name_id_t *sample_id /* OUT. May be NULL */,
+ unsigned int *num_named_parameters /* OUT. May be NULL */,
+ hb_ot_name_id_t *first_param_id /* OUT. May be NULL */);
-#endif
+HB_EXTERN unsigned int
+hb_ot_layout_feature_get_characters (hb_face_t *face,
+ hb_tag_t table_tag,
+ unsigned int feature_index,
+ unsigned int start_offset,
+ unsigned int *char_count /* IN/OUT. May be NULL */,
+ hb_codepoint_t *characters /* OUT. May be NULL */);
HB_END_DECLS
#endif /* HB_OT_LAYOUT_H */
< prev index next >