summaryrefslogtreecommitdiff
path: root/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.h
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.h')
-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.h25
1 files changed, 20 insertions, 5 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.h b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.h
index e095c5344ce..c6af759fb93 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.h
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.h
@@ -142,6 +142,15 @@ typedef struct hb_glyph_info_t {
* shaping, otherwise the buffer flag will not be
* reliably produced.
* Since: 4.0.0
+ * @HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL: In scripts that use elongation (Arabic,
+ Mongolian, Syriac, etc.), this flag signifies
+ that it is safe to insert a U+0640 TATWEEL
+ character *before* this cluster for elongation.
+ This flag does not determine the
+ script-specific elongation places, but only
+ when it is safe to do the elongation without
+ interrupting text shaping.
+ Since: 5.1.0
* @HB_GLYPH_FLAG_DEFINED: All the currently defined flags.
*
* Flags for #hb_glyph_info_t.
@@ -149,10 +158,11 @@ typedef struct hb_glyph_info_t {
* Since: 1.5.0
*/
typedef enum { /*< flags >*/
- HB_GLYPH_FLAG_UNSAFE_TO_BREAK = 0x00000001,
- HB_GLYPH_FLAG_UNSAFE_TO_CONCAT = 0x00000002,
+ HB_GLYPH_FLAG_UNSAFE_TO_BREAK = 0x00000001,
+ HB_GLYPH_FLAG_UNSAFE_TO_CONCAT = 0x00000002,
+ HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL = 0x00000004,
- HB_GLYPH_FLAG_DEFINED = 0x00000003 /* OR of all defined flags */
+ HB_GLYPH_FLAG_DEFINED = 0x00000007 /* OR of all defined flags */
} hb_glyph_flags_t;
HB_EXTERN hb_glyph_flags_t
@@ -266,7 +276,7 @@ hb_buffer_set_user_data (hb_buffer_t *buffer,
hb_bool_t replace);
HB_EXTERN void *
-hb_buffer_get_user_data (hb_buffer_t *buffer,
+hb_buffer_get_user_data (const hb_buffer_t *buffer,
hb_user_data_key_t *key);
@@ -373,6 +383,10 @@ hb_buffer_guess_segment_properties (hb_buffer_t *buffer);
* flag indicating that the @HB_GLYPH_FLAG_UNSAFE_TO_CONCAT
* glyph-flag should be produced by the shaper. By default
* it will not be produced since it incurs a cost. Since: 4.0.0
+ * @HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL:
+ * flag indicating that the @HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL
+ * glyph-flag should be produced by the shaper. By default
+ * it will not be produced. Since: 5.1.0
* @HB_BUFFER_FLAG_DEFINED: All currently defined flags: Since: 4.4.0
*
* Flags for #hb_buffer_t.
@@ -388,8 +402,9 @@ typedef enum { /*< flags >*/
HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE = 0x00000010u,
HB_BUFFER_FLAG_VERIFY = 0x00000020u,
HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT = 0x00000040u,
+ HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL = 0x00000080u,
- HB_BUFFER_FLAG_DEFINED = 0x0000007Fu
+ HB_BUFFER_FLAG_DEFINED = 0x000000FFu
} hb_buffer_flags_t;
HB_EXTERN void