Imported Upstream version 2.19.48

[lilypond.git] / lily / grob.cc

diff --git a/lily/grob.cc b/lily/grob.cc
index 7ce89d50158ff737e2e702609c1f7750422b84d6..23a1cafae48730885fb7068346750e1f114ec35a 100644 (file)
--- a/lily/grob.cc
+++ b/lily/grob.cc
@@ -333,18 +333,21 @@ Real
 Grob::relative_coordinate (Grob const *refp, Axis a) const
 {
   /* eaa - hmmm, should we do a programming_error() here? */
-  if ((this == NULL) || (refp == this))
+  if (refp == this)
     return 0.0;
 
   /* We catch PARENT_L_ == nil case with this, but we crash if we did
      not ask for the absolute coordinate (ie. REFP == nil.)  */
-  Real off = get_offset (a);
-  if (refp == dim_cache_[a].parent_)
-    return off;
 
-  off += dim_cache_[a].parent_->relative_coordinate (refp, a);
+  return get_offset (a) + parent_relative (refp, a);
+}
 
-  return off;
+Real
+Grob::parent_relative (Grob const *refp, Axis a) const
+{
+  if (Grob *p = get_parent (a))
+    return p->relative_coordinate (refp, a);
+  return 0.0;
 }
 
 Real