X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fstem-tremolo.cc;h=ce9e3529b693746d51eea7ba6b75119f308b6a4a;hb=a9aa7e95c8f53ebd3307bd4b68da66cdbda90343;hp=a718b7f69d132918fe6ee370fe87f503a879cc00;hpb=3cb5cdfe458c3f2e238347671e378e7b1c13153d;p=lilypond.git

diff --git a/lily/stem-tremolo.cc b/lily/stem-tremolo.cc
index a718b7f69d..ce9e3529b6 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--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "stem-tremolo.hh"
@@ -149,6 +149,20 @@ Stem_tremolo::height (SCM smob)
   return ly_interval2scm (s1.extent (Y_AXIS));
 }
 
+MAKE_SCHEME_CALLBACK (Stem_tremolo, width, 1);
+SCM
+Stem_tremolo::width (SCM smob)
+{
+  Grob *me = unsmob_grob (smob);
+
+  /*
+    Cannot use the real slope, since it looks at the Beam.
+   */
+  Stencil s1 (untranslated_stencil (me, 0.35));
+
+  return ly_interval2scm (s1.extent (X_AXIS));
+}
+
 Real
 Stem_tremolo::vertical_length (Grob *me)
 {
@@ -233,11 +247,14 @@ Stem_tremolo::print (SCM grob)
 }
 
 ADD_INTERFACE (Stem_tremolo,
-	       "A beam slashing a stem to indicate a tremolo.",
+	       "A beam slashing a stem to indicate a tremolo.  The property"
+	       " @code{style} can be @code{default} or @code{rectangle}.",
 
+               /* properties */
 	       "beam-thickness "
 	       "beam-width "
 	       "flag-count "
+	       "length-fraction "
 	       "stem "
                "style "
 	       "slope "