X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fitem.cc;h=ff00630b5f8a739cc7719caf5ee87d84c29781f0;hb=920dccaf627f00ec2d5bbd49ffeb9ad01236da3b;hp=f4760eb2fd564bdb5d4555fa7592520a2e7fd679;hpb=baaf1af20fba2d871e14f0f94ee840d6bd4be5b8;p=lilypond.git

diff --git a/lily/item.cc b/lily/item.cc
index f4760eb2fd..ff00630b5f 100644
--- a/lily/item.cc
+++ b/lily/item.cc
@@ -8,6 +8,7 @@
 
 #include "item.hh"
 
+#include "axis-group-interface.hh"
 #include "paper-score.hh"
 #include "warn.hh"
 #include "paper-column.hh"
@@ -149,13 +150,37 @@ Item::handle_prebroken_dependencies ()
   SCM vis = get_property ("break-visibility");
   if (scm_is_vector (vis))
     {
-      bool visible = to_boolean (scm_vector_ref (vis, scm_from_int (break_status_dir () + 1)));
+      bool visible = to_boolean (scm_c_vector_ref (vis, break_status_dir () + 1));
 
       if (!visible)
 	suicide ();
     }
 }
 
+bool
+Item::pure_is_visible (int start, int end) const
+{
+  SCM vis = get_property ("break-visibility");
+  if (scm_is_vector (vis))
+    {
+      int pos = 1;
+      int pc_rank = Paper_column::get_rank (get_column ());
+      if (pc_rank == start)
+	pos = 2;
+      else if (pc_rank == end)
+	pos = 0;
+      return to_boolean (scm_vector_ref (vis, scm_from_int (pos)));
+    }
+  return true;
+}
+
+Interval_t<int>
+Item::spanned_rank_iv ()
+{
+  int c = get_column ()->get_rank ();
+  return Interval_t<int> (c, c);
+}
+
 void
 Item::derived_mark () const
 {