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Diffstat (limited to 'thirdparty/harfbuzz/src/hb-buffer.hh')
-rw-r--r--thirdparty/harfbuzz/src/hb-buffer.hh41
1 files changed, 37 insertions, 4 deletions
diff --git a/thirdparty/harfbuzz/src/hb-buffer.hh b/thirdparty/harfbuzz/src/hb-buffer.hh
index 3420ba434a..9cad5206e2 100644
--- a/thirdparty/harfbuzz/src/hb-buffer.hh
+++ b/thirdparty/harfbuzz/src/hb-buffer.hh
@@ -35,20 +35,20 @@
#ifndef HB_BUFFER_MAX_LEN_FACTOR
-#define HB_BUFFER_MAX_LEN_FACTOR 32
+#define HB_BUFFER_MAX_LEN_FACTOR 64
#endif
#ifndef HB_BUFFER_MAX_LEN_MIN
-#define HB_BUFFER_MAX_LEN_MIN 8192
+#define HB_BUFFER_MAX_LEN_MIN 16384
#endif
#ifndef HB_BUFFER_MAX_LEN_DEFAULT
#define HB_BUFFER_MAX_LEN_DEFAULT 0x3FFFFFFF /* Shaping more than a billion chars? Let us know! */
#endif
#ifndef HB_BUFFER_MAX_OPS_FACTOR
-#define HB_BUFFER_MAX_OPS_FACTOR 64
+#define HB_BUFFER_MAX_OPS_FACTOR 1024
#endif
#ifndef HB_BUFFER_MAX_OPS_MIN
-#define HB_BUFFER_MAX_OPS_MIN 1024
+#define HB_BUFFER_MAX_OPS_MIN 16384
#endif
#ifndef HB_BUFFER_MAX_OPS_DEFAULT
#define HB_BUFFER_MAX_OPS_DEFAULT 0x1FFFFFFF /* Shaping more than a billion operations? Let us know! */
@@ -339,6 +339,39 @@ struct hb_buffer_t
bool ensure_inplace (unsigned int size)
{ return likely (!size || size < allocated); }
+ void assert_glyphs ()
+ {
+ assert ((content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS) ||
+ (!len && (content_type == HB_BUFFER_CONTENT_TYPE_INVALID)));
+ }
+ void assert_unicode ()
+ {
+ assert ((content_type == HB_BUFFER_CONTENT_TYPE_UNICODE) ||
+ (!len && (content_type == HB_BUFFER_CONTENT_TYPE_INVALID)));
+ }
+ bool ensure_glyphs ()
+ {
+ if (unlikely (content_type != HB_BUFFER_CONTENT_TYPE_GLYPHS))
+ {
+ if (content_type != HB_BUFFER_CONTENT_TYPE_INVALID)
+ return false;
+ assert (len == 0);
+ content_type = HB_BUFFER_CONTENT_TYPE_GLYPHS;
+ }
+ return true;
+ }
+ bool ensure_unicode ()
+ {
+ if (unlikely (content_type != HB_BUFFER_CONTENT_TYPE_UNICODE))
+ {
+ if (content_type != HB_BUFFER_CONTENT_TYPE_INVALID)
+ return false;
+ assert (len == 0);
+ content_type = HB_BUFFER_CONTENT_TYPE_UNICODE;
+ }
+ return true;
+ }
+
HB_INTERNAL bool make_room_for (unsigned int num_in, unsigned int num_out);
HB_INTERNAL bool shift_forward (unsigned int count);