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-rw-r--r--src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h119
1 files changed, 72 insertions, 47 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h
index d47ba0fc92..386b98d580 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h
@@ -255,6 +255,15 @@ hb_ot_layout_script_select_language (hb_face_t *face,
unsigned int *language_index /* OUT */);
HB_EXTERN hb_bool_t
+hb_ot_layout_script_select_language2 (hb_face_t *face,
+ hb_tag_t table_tag,
+ unsigned int script_index,
+ unsigned int language_count,
+ const hb_tag_t *language_tags,
+ unsigned int *language_index /* OUT */,
+ hb_tag_t *chosen_language /* 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,
@@ -316,6 +325,13 @@ hb_ot_layout_collect_features (hb_face_t *face,
hb_set_t *feature_indexes /* OUT */);
HB_EXTERN void
+hb_ot_layout_collect_features_map (hb_face_t *face,
+ hb_tag_t table_tag,
+ unsigned script_index,
+ unsigned language_index,
+ hb_map_t *feature_map /* OUT */);
+
+HB_EXTERN void
hb_ot_layout_collect_lookups (hb_face_t *face,
hb_tag_t table_tag,
const hb_tag_t *scripts,
@@ -332,31 +348,6 @@ hb_ot_layout_lookup_collect_glyphs (hb_face_t *face,
hb_set_t *glyphs_after, /* OUT. May be NULL */
hb_set_t *glyphs_output /* OUT. May be NULL */);
-#ifdef HB_NOT_IMPLEMENTED
-typedef struct
-{
- const hb_codepoint_t *before,
- unsigned int before_length,
- const hb_codepoint_t *input,
- unsigned int input_length,
- const hb_codepoint_t *after,
- unsigned int after_length,
-} hb_ot_layout_glyph_sequence_t;
-
-typedef hb_bool_t
-(*hb_ot_layout_glyph_sequence_func_t) (hb_font_t *font,
- hb_tag_t table_tag,
- unsigned int lookup_index,
- const hb_ot_layout_glyph_sequence_t *sequence,
- void *user_data);
-
-HB_EXTERN void
-Xhb_ot_layout_lookup_enumerate_sequences (hb_face_t *face,
- hb_tag_t table_tag,
- unsigned int lookup_index,
- hb_ot_layout_glyph_sequence_func_t callback,
- void *user_data);
-#endif
/* Variations support */
@@ -411,19 +402,6 @@ hb_ot_layout_lookups_substitute_closure (hb_face_t *face,
hb_set_t *glyphs);
-#ifdef HB_NOT_IMPLEMENTED
-/* Note: You better have GDEF when using this API, or marks won't do much. */
-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,
- unsigned int out_size,
- hb_codepoint_t *glyphs_out, /* OUT */
- unsigned int *clusters_out, /* OUT */
- unsigned int *out_length /* OUT */);
-#endif
-
-
/*
* GPOS
*/
@@ -431,15 +409,6 @@ Xhb_ot_layout_lookup_substitute (hb_font_t *font,
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_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,
- hb_glyph_position_t *positions /* IN / OUT */);
-#endif
-
/* Optical 'size' feature info. Returns true if found.
* https://docs.microsoft.com/en-us/typography/opentype/spec/features_pt#size */
HB_EXTERN hb_bool_t
@@ -450,6 +419,16 @@ hb_ot_layout_get_size_params (hb_face_t *face,
unsigned int *range_start, /* OUT. May be NULL */
unsigned int *range_end /* OUT. May be NULL */);
+HB_EXTERN hb_position_t
+hb_ot_layout_lookup_get_optical_bound (hb_font_t *font,
+ unsigned lookup_index,
+ hb_direction_t direction,
+ hb_codepoint_t glyph);
+
+
+/*
+ * GSUB/GPOS
+ */
HB_EXTERN hb_bool_t
hb_ot_layout_feature_get_name_ids (hb_face_t *face,
@@ -470,10 +449,25 @@ hb_ot_layout_feature_get_characters (hb_face_t *face,
unsigned int *char_count /* IN/OUT. May be NULL */,
hb_codepoint_t *characters /* OUT. May be NULL */);
+
/*
* BASE
*/
+HB_EXTERN hb_bool_t
+hb_ot_layout_get_font_extents (hb_font_t *font,
+ hb_direction_t direction,
+ hb_tag_t script_tag,
+ hb_tag_t language_tag,
+ hb_font_extents_t *extents);
+
+HB_EXTERN hb_bool_t
+hb_ot_layout_get_font_extents2 (hb_font_t *font,
+ hb_direction_t direction,
+ hb_script_t script,
+ hb_language_t language,
+ hb_font_extents_t *extents);
+
/**
* hb_ot_layout_baseline_tag_t:
* @HB_OT_LAYOUT_BASELINE_TAG_ROMAN: The baseline used by alphabetic scripts such as Latin, Cyrillic and Greek.
@@ -487,9 +481,11 @@ hb_ot_layout_feature_get_characters (hb_face_t *face,
* if the direction is horizontal or vertical, respectively.
* @HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_TOP_OR_RIGHT: Ideographic character face top or right edge,
* if the direction is horizontal or vertical, respectively.
+ * @HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_CENTRAL: The center of the ideographic character face. Since: 4.0.0
* @HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_BOTTOM_OR_LEFT: Ideographic em-box bottom or left edge,
* if the direction is horizontal or vertical, respectively.
* @HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_TOP_OR_RIGHT: Ideographic em-box top or right edge baseline,
+ * @HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_CENTRAL: The center of the ideographic em-box. Since: 4.0.0
* if the direction is horizontal or vertical, respectively.
* @HB_OT_LAYOUT_BASELINE_TAG_MATH: The baseline about which mathematical characters are centered.
* In vertical writing mode when mathematical characters rotated 90 degrees clockwise, are centered.
@@ -503,14 +499,19 @@ typedef enum {
HB_OT_LAYOUT_BASELINE_TAG_HANGING = HB_TAG ('h','a','n','g'),
HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_BOTTOM_OR_LEFT = HB_TAG ('i','c','f','b'),
HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_TOP_OR_RIGHT = HB_TAG ('i','c','f','t'),
+ HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_CENTRAL = HB_TAG ('I','c','f','c'),
HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_BOTTOM_OR_LEFT = HB_TAG ('i','d','e','o'),
HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_TOP_OR_RIGHT = HB_TAG ('i','d','t','p'),
+ HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_CENTRAL = HB_TAG ('I','d','c','e'),
HB_OT_LAYOUT_BASELINE_TAG_MATH = HB_TAG ('m','a','t','h'),
/*< private >*/
_HB_OT_LAYOUT_BASELINE_TAG_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/
} hb_ot_layout_baseline_tag_t;
+HB_EXTERN hb_ot_layout_baseline_tag_t
+hb_ot_layout_get_horizontal_baseline_tag_for_script (hb_script_t script);
+
HB_EXTERN hb_bool_t
hb_ot_layout_get_baseline (hb_font_t *font,
hb_ot_layout_baseline_tag_t baseline_tag,
@@ -519,6 +520,30 @@ hb_ot_layout_get_baseline (hb_font_t *font,
hb_tag_t language_tag,
hb_position_t *coord /* OUT. May be NULL. */);
+HB_EXTERN hb_bool_t
+hb_ot_layout_get_baseline2 (hb_font_t *font,
+ hb_ot_layout_baseline_tag_t baseline_tag,
+ hb_direction_t direction,
+ hb_script_t script,
+ hb_language_t language,
+ hb_position_t *coord /* OUT. May be NULL. */);
+
+HB_EXTERN void
+hb_ot_layout_get_baseline_with_fallback (hb_font_t *font,
+ hb_ot_layout_baseline_tag_t baseline_tag,
+ hb_direction_t direction,
+ hb_tag_t script_tag,
+ hb_tag_t language_tag,
+ hb_position_t *coord /* OUT */);
+
+HB_EXTERN void
+hb_ot_layout_get_baseline_with_fallback2 (hb_font_t *font,
+ hb_ot_layout_baseline_tag_t baseline_tag,
+ hb_direction_t direction,
+ hb_script_t script,
+ hb_language_t language,
+ hb_position_t *coord /* OUT */);
+
HB_END_DECLS
#endif /* HB_OT_LAYOUT_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 23:50:52 +0000