X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fbeam-quanting.cc;h=ed1321450256aaa15a8a7345c7908e392a9dbb79;hb=8cab78caa0db1ba14f2e52e4c1ddbb541ea0e5cb;hp=0338ecd7ecccc6b1caccfa26f0905385790ed06e;hpb=711cf44d0ab28f3159230c84d63c0b19199408b0;p=lilypond.git

diff --git a/lily/beam-quanting.cc b/lily/beam-quanting.cc
index 0338ecd7ec..ed13214502 100644
--- a/lily/beam-quanting.cc
+++ b/lily/beam-quanting.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
   Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
@@ -37,8 +37,8 @@ Beam_quant_parameters::fill (Grob *him)
 {
   SCM details = him->get_property ("details");
 
-  /*
-    TODO: put in define-grobs.scm
+  /* 
+     TODO: The default values should be copied to define-grobs.scm.
    */
   INTER_QUANT_PENALTY = get_detail (details, ly_symbol2scm ("inter-quant-penalty"), 1000.0);
   SECONDARY_BEAM_DEMERIT = get_detail (details, ly_symbol2scm ("secondary-beam-demerit"), 10.0);
@@ -113,7 +113,6 @@ Beam::quanting (SCM smob, SCM posns)
   /*
     Calculations are relative to a unit-scaled staff, i.e. the quants are
     divided by the current staff_space.
-
   */
   Real ss = Staff_symbol_referencer::staff_space (me);
   Real thickness = Beam::get_thickness (me) / ss;
@@ -134,7 +133,6 @@ Beam::quanting (SCM smob, SCM posns)
     going to REGION_SIZE == 2, yields another 0.6 second with
     wtk1-fugue2.
 
-
     (result indexes between 70 and 575)  ? --hwn.
 
   */
@@ -160,10 +158,8 @@ Beam::quanting (SCM smob, SCM posns)
   Real xr = fvs ? lvs->relative_coordinate (common[X_AXIS], X_AXIS) : 0.0;
 
   /*
-    We store some info to quickly interpolate.
-
-    Sometimes my head is screwed on backwards.  The stemlength are
-    AFFINE linear in YL and YR. If YL == YR == 0, then we might have
+    We store some info to quickly interpolate.  The stemlength are
+    affine linear in YL and YR. If YL == YR == 0, then we might have
     stem_y != 0.0, when we're cross staff.
 
   */
@@ -179,17 +175,19 @@ Beam::quanting (SCM smob, SCM posns)
       bool f = to_boolean (s->get_property ("french-beaming"))
 	&& s != lvs && s != fvs;
 
-      base_lengths.push_back (calc_stem_y (me, s, common, xl, xr,
-				      Interval (0, 0), f) / ss);
-      stem_xposns.push_back (s->relative_coordinate (common[X_AXIS], X_AXIS));
-    }
+      if (Stem::is_normal_stem (s))
+	{
+	  base_lengths.push_back (calc_stem_y (me, s, common, xl, xr, CENTER, 
+					       Interval (0, 0), f) / ss);
+	}
+      else
+	{
+	  base_lengths.push_back (0);
+	}
 
-  bool xstaff = false;
-  if (lvs && fvs)
-    {
-      Grob *commony = fvs->common_refpoint (lvs, Y_AXIS);
-      xstaff = Align_interface::has_interface (commony);
+      stem_xposns.push_back (s->relative_coordinate (common[X_AXIS], X_AXIS));
     }
+  bool xstaff = Align_interface::has_interface (common[Y_AXIS]);
 
   Direction ldir = Direction (stem_infos[0].dir_);
   Direction rdir = Direction (stem_infos.back ().dir_);
@@ -348,7 +346,7 @@ Beam::score_stem_lengths (vector<Grob*> const &stems,
   for (vsize i = 0; i < stems.size (); i++)
     {
       Grob *s = stems[i];
-      if (Stem::is_invisible (s))
+      if (!Stem::is_normal_stem (s))
 	continue;
 
       Real x = stem_xs[i];
@@ -379,8 +377,7 @@ Beam::score_stem_lengths (vector<Grob*> const &stems,
   Direction d = DOWN;
   do
     score[d] /= max (count[d], 1);
-  while (flip (&d) != DOWN)
-    ;
+  while (flip (&d) != DOWN);
 
   return score[LEFT] + score[RIGHT];
 }