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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-shape.cc18
1 files changed, 18 insertions, 0 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-shape.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-shape.cc
index c1f619c81c5..3407e1af42d 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-shape.cc
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-shape.cc
@@ -126,6 +126,13 @@ hb_shape_full (hb_font_t *font,
unsigned int num_features,
const char * const *shaper_list)
{
+ hb_buffer_t *text_buffer = nullptr;
+ if (buffer->flags & HB_BUFFER_FLAG_VERIFY)
+ {
+ text_buffer = hb_buffer_create ();
+ hb_buffer_append (text_buffer, buffer, 0, -1);
+ }
+
hb_shape_plan_t *shape_plan = hb_shape_plan_create_cached2 (font->face, &buffer->props,
features, num_features,
font->coords, font->num_coords,
@@ -133,6 +140,17 @@ hb_shape_full (hb_font_t *font,
hb_bool_t res = hb_shape_plan_execute (shape_plan, font, buffer, features, num_features);
hb_shape_plan_destroy (shape_plan);
+ if (text_buffer)
+ {
+ if (res && !buffer->verify (text_buffer,
+ font,
+ features,
+ num_features,
+ shaper_list))
+ res = false;
+ hb_buffer_destroy (text_buffer);
+ }
+
return res;
}