X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fbeaming-pattern.cc;h=75dfc5a8c000954fa70d7e9f97192a0f922cde62;hb=38d7d319eabc906e82fb42002678c6d42a23b6f7;hp=1841f67900f468f0bea324712ebb0103887ecd56;hpb=98b5b6c845d9c34d9f1342f60f799569b60a5196;p=lilypond.git

diff --git a/lily/beaming-pattern.cc b/lily/beaming-pattern.cc
index 1841f67900..75dfc5a8c0 100644
--- a/lily/beaming-pattern.cc
+++ b/lily/beaming-pattern.cc
@@ -10,7 +10,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1999--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1999--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "beaming-pattern.hh"
@@ -70,7 +70,7 @@ Beam_rhythmic_element::count (Direction d) const
   CENTER.
 */
 Direction
-Beaming_pattern::flag_direction (vsize i) const
+Beaming_pattern::flag_direction (Beaming_options const &options, vsize i) const
 {
   // The extremal stems shouldn't be messed with, so it's appropriate to
   // return CENTER here also.
@@ -81,6 +81,16 @@ Beaming_pattern::flag_direction (vsize i) const
   int left_count = infos_[i-1].count (RIGHT);
   int right_count = infos_[i+1].count (LEFT);
 
+  // If we are told to subdivide beams and we are next to a beat, point the
+  // beamlet away from the beat.
+  if (options.subdivide_beams_)
+    {
+      if (infos_[i].rhythmic_importance_ < 0)
+	return RIGHT;
+      else if (infos_[i+1].rhythmic_importance_ < 0)
+	return LEFT;
+    }
+
   if (count <= left_count && count <= right_count)
     return CENTER;
 
@@ -123,12 +133,12 @@ Beaming_pattern::beamify (Beaming_options const &options)
 
   for (vsize i = 1; i < infos_.size () - 1; i++)
     {
-      Direction non_flag_dir = other_dir (flag_direction (i));
+      Direction non_flag_dir = other_dir (flag_direction (options, i));
       if (non_flag_dir)
 	{
 	  int importance = (non_flag_dir == LEFT)
 	    ? infos_[i].rhythmic_importance_ : infos_[i+1].rhythmic_importance_;
-	  int count = (importance < 0)
+	  int count = (importance < 0 && options.subdivide_beams_)
 	    ? 1 : min (infos_[i].count (non_flag_dir),
 		       infos_[i+non_flag_dir].count (-non_flag_dir));