Issue 2974: music-functions-init.ly: Avoid unnecessary use of $ instead of #

[lilypond.git] / lily / grob.cc

diff --git a/lily/grob.cc b/lily/grob.cc
index 593b0814a64070a20c83b4dc7c0f2146986f93db..031af32636878b3a163bb0ea483bca2e0d0fcdc5 100644 (file)
--- a/lily/grob.cc
+++ b/lily/grob.cc
@@ -20,6 +20,7 @@
 #include "grob.hh"
 
 #include <cstring>
+#include <set>
 
 #include "align-interface.hh"
 #include "axis-group-interface.hh"
@@ -471,9 +472,11 @@ Grob::extent (Grob *refp, Axis a) const
     }
 
   // We never want nan, so we avoid shifting infinite values.
-  for (LEFT_and_RIGHT (d))
-    if (!isinf (real_ext[d]))
-      real_ext[d] += offset;
+    if(!isinf (offset))
+      real_ext.translate(offset);
+    else
+      this->warning(_f ("ignored infinite %s-offset",
+                        a == X_AXIS ? "X" : "Y"));
 
   return real_ext;
 }
@@ -803,8 +806,6 @@ ADD_INTERFACE (Grob,
                "color "
                "cross-staff "
                "id "
-               "extra-X-extent "
-               "extra-Y-extent "
                "extra-offset "
                "footnote-music "
                "forced-spacing "
@@ -910,6 +911,20 @@ common_refpoint_of_array (vector<Grob *> const &arr, Grob *common, Axis a)
   return common;
 }
 
+Grob *
+common_refpoint_of_array (set<Grob *> const &arr, Grob *common, Axis a)
+{
+  set<Grob *>::iterator it;
+
+  for (it = arr.begin (); it != arr.end (); it++)
+    if (common)
+      common = common->common_refpoint (*it, a);
+    else
+      common = *it;
+
+  return common;
+}
+
 Interval
 robust_relative_extent (Grob *me, Grob *refpoint, Axis a)
 {