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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape.cc')
-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape.cc30
1 files changed, 29 insertions, 1 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape.cc
index 29f5e58e519..bc5366969be 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape.cc
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape.cc
@@ -509,9 +509,10 @@ hb_ot_hide_default_ignorables (hb_ot_shape_context_t *c)
/* Merge cluster backward. */
if (cluster < info[j - 1].cluster)
{
+ unsigned int mask = info[i].mask;
unsigned int old_cluster = info[j - 1].cluster;
for (unsigned k = j; k && info[k - 1].cluster == old_cluster; k--)
- info[k - 1].cluster = cluster;
+ buffer->set_cluster (info[k - 1], cluster, mask);
}
continue;
}
@@ -782,6 +783,31 @@ hb_ot_position (hb_ot_shape_context_t *c)
_hb_buffer_deallocate_gsubgpos_vars (c->buffer);
}
+static inline void
+hb_propagate_flags (hb_buffer_t *buffer)
+{
+ /* Propagate cluster-level glyph flags to be the same on all cluster glyphs.
+ * Simplifies using them. */
+
+ if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_UNSAFE_TO_BREAK))
+ return;
+
+ hb_glyph_info_t *info = buffer->info;
+
+ foreach_cluster (buffer, start, end)
+ {
+ unsigned int mask = 0;
+ for (unsigned int i = start; i < end; i++)
+ if (info[i].mask & HB_GLYPH_FLAG_UNSAFE_TO_BREAK)
+ {
+ mask = HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+ break;
+ }
+ if (mask)
+ for (unsigned int i = start; i < end; i++)
+ info[i].mask |= mask;
+ }
+}
/* Pull it all together! */
@@ -825,6 +851,8 @@ hb_ot_shape_internal (hb_ot_shape_context_t *c)
if (c->plan->shaper->postprocess_glyphs)
c->plan->shaper->postprocess_glyphs (c->plan, c->buffer, c->font);
+ hb_propagate_flags (c->buffer);
+
_hb_buffer_deallocate_unicode_vars (c->buffer);
c->buffer->props.direction = c->target_direction;