X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fstem-tremolo.cc;h=eaf6bd962fffb76e951685ec446c0753695449b2;hb=dfe0c6ad15227d6d3646bd7445df5de6aa386ff7;hp=689d24e71f215bf50f09f2ff8512496c5ae203d9;hpb=07a5ed85c189a97d04c550679826dfc5eca2eb18;p=lilypond.git

diff --git a/lily/stem-tremolo.cc b/lily/stem-tremolo.cc
index 689d24e71f..eaf6bd962f 100644
--- a/lily/stem-tremolo.cc
+++ b/lily/stem-tremolo.cc
@@ -3,7 +3,7 @@
   
   source file of the GNU LilyPond music typesetter
   
-  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 
@@ -34,23 +34,37 @@ Stem_tremolo::has_interface (Grob *me)
   return me->has_interface (ly_symbol2scm ("stem-tremolo"));
 }
 
-MAKE_SCHEME_CALLBACK(Stem_tremolo,dim_callback,2);
+MAKE_SCHEME_CALLBACK (Stem_tremolo,dim_callback,2);
 
 /*
   todo: init with cons. 
  */
 SCM
-Stem_tremolo::dim_callback (SCM e, SCM )
+Stem_tremolo::dim_callback (SCM e, SCM)
 {
   Grob * se = unsmob_grob (e);
   
   Real space = Staff_symbol_referencer::staff_space (se);
-  return ly_interval2scm ( Interval (-space, space));
+  return ly_interval2scm (Interval (-space, space));
 }
 
+/*
+  ugh ?  --from Slur
+ */
+MAKE_SCHEME_CALLBACK (Stem_tremolo, height, 2);
+SCM
+Stem_tremolo::height (SCM smob, SCM ax)
+{
+  Axis a = (Axis)gh_scm2int (ax);
+  Grob * me = unsmob_grob (smob);
+  assert (a == Y_AXIS);
+
+  SCM mol = me->get_uncached_molecule ();
+  return ly_interval2scm (unsmob_molecule (mol)->extent (a));
+}
 
 
-MAKE_SCHEME_CALLBACK(Stem_tremolo,brew_molecule,1);
+MAKE_SCHEME_CALLBACK (Stem_tremolo,brew_molecule,1);
 SCM
 Stem_tremolo::brew_molecule (SCM smob)
 {
@@ -62,7 +76,7 @@ Stem_tremolo::brew_molecule (SCM smob)
   if (beam)
     {
       Real dy = 0;
-      SCM s = beam->get_grob_property ("height");
+      SCM s = beam->get_grob_property ("dy");
       if (gh_number_p (s))
 	dy = gh_scm2double (s);
       Real dx = Beam::last_visible_stem (beam)->relative_coordinate (0, X_AXIS)
@@ -108,9 +122,9 @@ Stem_tremolo::brew_molecule (SCM smob)
   if (beam)
     {
       // ugh, rather calc from Stem_tremolo_req
-      int beams_i = Stem::beam_count(stem, RIGHT) >? Stem::beam_count (stem, LEFT);
-      mol.translate (Offset(stem->relative_coordinate (0, X_AXIS) - me->relative_coordinate (0, X_AXIS),
-			    Stem::stem_end_position (stem ) * ss / 2 - 
+      int beams_i = Stem::beam_count (stem, RIGHT) >? Stem::beam_count (stem, LEFT);
+      mol.translate (Offset (stem->relative_coordinate (0, X_AXIS) - me->relative_coordinate (0, X_AXIS),
+			    Stem::stem_end_position (stem) * ss / 2 - 
 			    Directional_element_interface::get (beam) * beams_i * interbeam_f));
     }
   else
@@ -118,17 +132,17 @@ Stem_tremolo::brew_molecule (SCM smob)
       /*
 	Beams should intersect one beamthickness below stem end
       */
-      Real dy = Stem::stem_end_position (stem ) * ss / 2;
-      dy -= mol.extent (Y_AXIS).length () / 2 *  Stem::get_direction (stem );
+      Real dy = Stem::stem_end_position (stem) * ss / 2;
+      dy -= mol.extent (Y_AXIS).length () / 2 *  Stem::get_direction (stem);
 
       /*
 	uhg.  Should use relative coords and placement
       */
       Real whole_note_correction;
-      if (Stem::invisible_b (stem ))
+      if (Stem::invisible_b (stem))
 	{
-	  Grob *hed = Stem::support_head (stem );
-	  whole_note_correction = -Stem::get_direction (stem )
+	  Grob *hed = Stem::support_head (stem);
+	  whole_note_correction = -Stem::get_direction (stem)
 	    *hed->extent (hed, X_AXIS).length () / 2;
 	}
       else