[unsafe-to-break] Fix unsafe-to-break for cluster-level=1
Fixes tests/shaping/tests/cluster.tests
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 54c33a3..8cd8fcc 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -275,8 +275,7 @@
static void
hb_form_clusters (hb_buffer_t *buffer)
{
- if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII) ||
- buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
+ if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII))
return;
/* Loop duplicated in hb_ensure_native_direction(), and in _hb-coretext.cc */
@@ -288,11 +287,17 @@
if (likely (!HB_UNICODE_GENERAL_CATEGORY_IS_MARK (_hb_glyph_info_get_general_category (&info[i])) &&
!_hb_glyph_info_is_joiner (&info[i])))
{
- buffer->merge_clusters (base, i);
+ if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
+ buffer->merge_clusters (base, i);
+ else
+ buffer->unsafe_to_break (base, i);
base = i;
}
}
- buffer->merge_clusters (base, count);
+ if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
+ buffer->merge_clusters (base, count);
+ else
+ buffer->unsafe_to_break (base, count);
}
static void
@@ -580,8 +585,6 @@
{
hb_buffer_t *buffer = c->buffer;
- hb_ot_shape_initialize_masks (c);
-
hb_ot_mirror_chars (c);
HB_BUFFER_ALLOCATE_VAR (buffer, glyph_index);
@@ -836,8 +839,10 @@
c->buffer->clear_output ();
+ hb_ot_shape_initialize_masks (c);
hb_set_unicode_props (c->buffer);
hb_insert_dotted_circle (c->buffer, c->font);
+
hb_form_clusters (c->buffer);
hb_ensure_native_direction (c->buffer);