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-rw-r--r--src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h75
1 files changed, 47 insertions, 28 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h
index 949678ac42..9861f0fc7b 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h
@@ -48,7 +48,7 @@ HB_BEGIN_DECLS
* GDEF
*/
-hb_bool_t
+HB_EXTERN hb_bool_t
hb_ot_layout_has_glyph_classes (hb_face_t *face);
typedef enum {
@@ -59,11 +59,11 @@ typedef enum {
HB_OT_LAYOUT_GLYPH_CLASS_COMPONENT = 4
} hb_ot_layout_glyph_class_t;
-hb_ot_layout_glyph_class_t
+HB_EXTERN hb_ot_layout_glyph_class_t
hb_ot_layout_get_glyph_class (hb_face_t *face,
hb_codepoint_t glyph);
-void
+HB_EXTERN void
hb_ot_layout_get_glyphs_in_class (hb_face_t *face,
hb_ot_layout_glyph_class_t klass,
hb_set_t *glyphs /* OUT */);
@@ -71,7 +71,7 @@ hb_ot_layout_get_glyphs_in_class (hb_face_t *face,
/* Not that useful. Provides list of attach points for a glyph that a
* client may want to cache */
-unsigned int
+HB_EXTERN unsigned int
hb_ot_layout_get_attach_points (hb_face_t *face,
hb_codepoint_t glyph,
unsigned int start_offset,
@@ -79,7 +79,7 @@ hb_ot_layout_get_attach_points (hb_face_t *face,
unsigned int *point_array /* OUT */);
/* Ligature caret positions */
-unsigned int
+HB_EXTERN unsigned int
hb_ot_layout_get_ligature_carets (hb_font_t *font,
hb_direction_t direction,
hb_codepoint_t glyph,
@@ -95,36 +95,37 @@ hb_ot_layout_get_ligature_carets (hb_font_t *font,
#define HB_OT_LAYOUT_NO_SCRIPT_INDEX 0xFFFFu
#define HB_OT_LAYOUT_NO_FEATURE_INDEX 0xFFFFu
#define HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX 0xFFFFu
+#define HB_OT_LAYOUT_NO_VARIATIONS_INDEX 0xFFFFFFFFu
-unsigned int
+HB_EXTERN unsigned int
hb_ot_layout_table_get_script_tags (hb_face_t *face,
hb_tag_t table_tag,
unsigned int start_offset,
unsigned int *script_count /* IN/OUT */,
hb_tag_t *script_tags /* OUT */);
-hb_bool_t
+HB_EXTERN hb_bool_t
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_bool_t
+HB_EXTERN hb_bool_t
hb_ot_layout_table_choose_script (hb_face_t *face,
hb_tag_t table_tag,
const hb_tag_t *script_tags,
unsigned int *script_index,
hb_tag_t *chosen_script);
-unsigned int
+HB_EXTERN unsigned int
hb_ot_layout_table_get_feature_tags (hb_face_t *face,
hb_tag_t table_tag,
unsigned int start_offset,
unsigned int *feature_count /* IN/OUT */,
hb_tag_t *feature_tags /* OUT */);
-unsigned int
+HB_EXTERN unsigned int
hb_ot_layout_script_get_language_tags (hb_face_t *face,
hb_tag_t table_tag,
unsigned int script_index,
@@ -132,21 +133,21 @@ hb_ot_layout_script_get_language_tags (hb_face_t *face,
unsigned int *language_count /* IN/OUT */,
hb_tag_t *language_tags /* OUT */);
-hb_bool_t
+HB_EXTERN hb_bool_t
hb_ot_layout_script_find_language (hb_face_t *face,
hb_tag_t table_tag,
unsigned int script_index,
hb_tag_t language_tag,
unsigned int *language_index);
-hb_bool_t
+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,
unsigned int language_index,
unsigned int *feature_index);
-hb_bool_t
+HB_EXTERN hb_bool_t
hb_ot_layout_language_get_required_feature (hb_face_t *face,
hb_tag_t table_tag,
unsigned int script_index,
@@ -154,7 +155,7 @@ hb_ot_layout_language_get_required_feature (hb_face_t *face,
unsigned int *feature_index,
hb_tag_t *feature_tag);
-unsigned int
+HB_EXTERN unsigned int
hb_ot_layout_language_get_feature_indexes (hb_face_t *face,
hb_tag_t table_tag,
unsigned int script_index,
@@ -163,7 +164,7 @@ hb_ot_layout_language_get_feature_indexes (hb_face_t *face,
unsigned int *feature_count /* IN/OUT */,
unsigned int *feature_indexes /* OUT */);
-unsigned int
+HB_EXTERN unsigned int
hb_ot_layout_language_get_feature_tags (hb_face_t *face,
hb_tag_t table_tag,
unsigned int script_index,
@@ -172,7 +173,7 @@ hb_ot_layout_language_get_feature_tags (hb_face_t *face,
unsigned int *feature_count /* IN/OUT */,
hb_tag_t *feature_tags /* OUT */);
-hb_bool_t
+HB_EXTERN hb_bool_t
hb_ot_layout_language_find_feature (hb_face_t *face,
hb_tag_t table_tag,
unsigned int script_index,
@@ -180,7 +181,7 @@ hb_ot_layout_language_find_feature (hb_face_t *face,
hb_tag_t feature_tag,
unsigned int *feature_index);
-unsigned int
+HB_EXTERN unsigned int
hb_ot_layout_feature_get_lookups (hb_face_t *face,
hb_tag_t table_tag,
unsigned int feature_index,
@@ -188,12 +189,12 @@ hb_ot_layout_feature_get_lookups (hb_face_t *face,
unsigned int *lookup_count /* IN/OUT */,
unsigned int *lookup_indexes /* OUT */);
-unsigned int
+HB_EXTERN unsigned int
hb_ot_layout_table_get_lookup_count (hb_face_t *face,
hb_tag_t table_tag);
-void
+HB_EXTERN void
hb_ot_layout_collect_lookups (hb_face_t *face,
hb_tag_t table_tag,
const hb_tag_t *scripts,
@@ -201,7 +202,7 @@ hb_ot_layout_collect_lookups (hb_face_t *face,
const hb_tag_t *features,
hb_set_t *lookup_indexes /* OUT */);
-void
+HB_EXTERN void
hb_ot_layout_lookup_collect_glyphs (hb_face_t *face,
hb_tag_t table_tag,
unsigned int lookup_index,
@@ -228,7 +229,7 @@ typedef hb_bool_t
const hb_ot_layout_glyph_sequence_t *sequence,
void *user_data);
-void
+HB_EXTERN void
Xhb_ot_layout_lookup_enumerate_sequences (hb_face_t *face,
hb_tag_t table_tag,
unsigned int lookup_index,
@@ -236,22 +237,40 @@ Xhb_ot_layout_lookup_enumerate_sequences (hb_face_t *face,
void *user_data);
#endif
+/* Variations support */
+
+HB_EXTERN hb_bool_t
+hb_ot_layout_table_find_feature_variations (hb_face_t *face,
+ hb_tag_t table_tag,
+ const int *coords,
+ unsigned int num_coords,
+ unsigned int *variations_index /* out */);
+
+HB_EXTERN unsigned int
+hb_ot_layout_feature_with_variations_get_lookups (hb_face_t *face,
+ hb_tag_t table_tag,
+ unsigned int feature_index,
+ unsigned int variations_index,
+ unsigned int start_offset,
+ unsigned int *lookup_count /* IN/OUT */,
+ unsigned int *lookup_indexes /* OUT */);
+
/*
* GSUB
*/
-hb_bool_t
+HB_EXTERN hb_bool_t
hb_ot_layout_has_substitution (hb_face_t *face);
-hb_bool_t
+HB_EXTERN hb_bool_t
hb_ot_layout_lookup_would_substitute (hb_face_t *face,
unsigned int lookup_index,
const hb_codepoint_t *glyphs,
unsigned int glyphs_length,
hb_bool_t zero_context);
-void
+HB_EXTERN void
hb_ot_layout_lookup_substitute_closure (hb_face_t *face,
unsigned int lookup_index,
hb_set_t *glyphs
@@ -259,7 +278,7 @@ hb_ot_layout_lookup_substitute_closure (hb_face_t *face,
#ifdef HB_NOT_IMPLEMENTED
/* Note: You better have GDEF when using this API, or marks won't do much. */
-hb_bool_t
+HB_EXTERN hb_bool_t
Xhb_ot_layout_lookup_substitute (hb_font_t *font,
unsigned int lookup_index,
const hb_ot_layout_glyph_sequence_t *sequence,
@@ -274,12 +293,12 @@ Xhb_ot_layout_lookup_substitute (hb_font_t *font,
* GPOS
*/
-hb_bool_t
+HB_EXTERN hb_bool_t
hb_ot_layout_has_positioning (hb_face_t *face);
#ifdef HB_NOT_IMPLEMENTED
/* Note: You better have GDEF when using this API, or marks won't do much. */
-hb_bool_t
+HB_EXTERN hb_bool_t
Xhb_ot_layout_lookup_position (hb_font_t *font,
unsigned int lookup_index,
const hb_ot_layout_glyph_sequence_t *sequence,
@@ -288,7 +307,7 @@ Xhb_ot_layout_lookup_position (hb_font_t *font,
/* Optical 'size' feature info. Returns true if found.
* http://www.microsoft.com/typography/otspec/features_pt.htm#size */
-hb_bool_t
+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 */