X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fstem.cc;h=69e7a15ce6328f59d356daed30c4c77cf303afe1;hb=779ec2a483583d44f002f65fae54aa93bd3c2c88;hp=d95ff4be3951c8ac7b6403a76fa0e09e09f2225e;hpb=d3060eee305bf1cc660ccca7a6f4c97179ef0cf4;p=lilypond.git

diff --git a/lily/stem.cc b/lily/stem.cc
index d95ff4be39..69e7a15ce6 100644
--- a/lily/stem.cc
+++ b/lily/stem.cc
@@ -180,12 +180,6 @@ Stem::extremal_heads (Grob *me)
   return exthead;
 }
 
-static int
-integer_compare (int const &a, int const &b)
-{
-  return a - b;
-}
-
 /* The positions, in ascending order.  */
 vector<int>
 Stem::note_head_positions (Grob *me)
@@ -201,7 +195,7 @@ Stem::note_head_positions (Grob *me)
       ps.push_back (p);
     }
 
-  vector_sort (ps, integer_compare);
+  vector_sort (ps, less<int> ());
   return ps;
 }
 
@@ -410,7 +404,7 @@ Stem::calc_positioning_done (SCM smob)
 
   extract_grob_set (me, "note-heads", ro_heads);
   vector<Grob*> heads (ro_heads);
-  vector_sort (heads, compare_position);
+  vector_sort (heads, position_less);
   Direction dir = get_grob_direction (me);
 
   if (dir < 0)
@@ -425,12 +419,25 @@ Stem::calc_positioning_done (SCM smob)
       dir = UP;
       set_grob_direction (me, dir);
     }
-  
+
+  bool is_harmonic_centered = false;
+  for (vsize i = 0; i < heads.size (); i++)
+    is_harmonic_centered = is_harmonic_centered 
+      || heads[i]->get_property ("style") == ly_symbol2scm ("harmonic");
+  is_harmonic_centered = is_harmonic_centered && is_invisible (me);
+
   Real w = hed->extent (hed, X_AXIS)[dir];
   for (vsize i = 0; i < heads.size (); i++)
-    heads[i]->translate_axis (w - heads[i]->extent (heads[i], X_AXIS)[dir],
-			      X_AXIS);
+    {
+      Real amount = w - heads[i]->extent (heads[i], X_AXIS)[dir];
 
+      if (is_harmonic_centered)
+	amount =
+	  hed->extent (hed, X_AXIS).linear_combination (CENTER)
+	  - heads[i]->extent (heads[i], X_AXIS).linear_combination (CENTER);
+      
+      heads[i]->translate_axis (amount, X_AXIS);
+    }
   bool parity = true;
   Real lastpos = Real (Staff_symbol_referencer::get_position (heads[0]));
   for (vsize i = 1; i < heads.size (); i++)