Roll harfbuzz-ng 3b8fd9c48f4bde368bf2d465c148b9743a9216ee

third_party/harfbuzz-ng/src/hb-ot-layout.cc

 /*
  * Copyright © 1998-2004  David Turner and Werner Lemberg
  * Copyright © 2006  Behdad Esfahbod
  * Copyright © 2007,2008,2009  Red Hat, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
  * Permission is hereby granted, without written agreement and without
  * license or royalty fees, to use, copy, modify, and distribute this
  * software and its documentation for any purpose, provided that the
@@ skipping 442 matching lines @@
 {
   GSUB::substitute_start (buffer);
 }
 
 hb_bool_t
 hb_ot_layout_substitute_lookup (hb_face_t    *face,
                                 hb_buffer_t  *buffer,
                                 unsigned int  lookup_index,
                                 hb_mask_t     mask)
 {
-  return _get_gsub (face).substitute_lookup (face, buffer, lookup_index, mask);
+  hb_apply_context_t c (NULL, face, buffer, mask);
+  return _get_gsub (face).substitute_lookup (&c, lookup_index);
 }
 
 void
 hb_ot_layout_substitute_finish (hb_buffer_t  *buffer HB_UNUSED)
 {
   GSUB::substitute_finish (buffer);
 }
 
+void
+hb_ot_layout_substitute_closure_lookup (hb_face_t    *face,
+                                        hb_set_t     *glyphs,
+                                        unsigned int  lookup_index)
+{
+  hb_closure_context_t c (face, glyphs);
+  _get_gsub (face).closure_lookup (&c, lookup_index);
+}
 
 /*
  * GPOS
  */
 
 hb_bool_t
 hb_ot_layout_has_positioning (hb_face_t *face)
 {
   return &_get_gpos (face) != &Null(GPOS);
 }
 
 void
 hb_ot_layout_position_start (hb_buffer_t  *buffer)
 {
   GPOS::position_start (buffer);
 }
 
 hb_bool_t
 hb_ot_layout_position_lookup   (hb_font_t    *font,
                                 hb_buffer_t  *buffer,
                                 unsigned int  lookup_index,
                                 hb_mask_t     mask)
 {
-  return _get_gpos (font->face).position_lookup (font, buffer, lookup_index, mask);
+  hb_apply_context_t c (font, font->face, buffer, mask);
+  return _get_gpos (font->face).position_lookup (&c, lookup_index);
 }
 
 void
 hb_ot_layout_position_finish (hb_buffer_t  *buffer)
 {
   GPOS::position_finish (buffer);
 }