source file of the GNU LilyPond music typesetter
- (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
Grob * me = unsmob_grob (smob);
assert (a == Y_AXIS);
- SCM mol = me->get_uncached_molecule ();
+ SCM mol = me->get_uncached_stencil ();
- if (Molecule *m = unsmob_molecule (mol))
+ if (Stencil *m = unsmob_stencil (mol))
return ly_interval2scm (m->extent (a));
else
- return ly_interval2scm (Interval());
+ return ly_interval2scm (Interval ());
}
-Molecule
-Stem_tremolo::raw_molecule (Grob *me)
+Stencil
+Stem_tremolo::raw_stencil (Grob *me)
{
- Grob *stem = unsmob_grob (me->get_grob_property ("stem"));
+ Grob *stem = unsmob_grob (me->get_property ("stem"));
Grob *beam = Stem::get_beam (stem);
Real dydx;
if (beam)
{
Real dy = 0;
- SCM s = beam->get_grob_property ("positions");
- if (ly_number_pair_p (s))
+ SCM s = beam->get_property ("positions");
+ if (is_number_pair (s))
{
dy = -gh_scm2double (gh_car (s)) +gh_scm2double (gh_cdr (s));
}
dydx = 0.25;
Real ss = Staff_symbol_referencer::staff_space (me);
- Real thick = gh_scm2double (me->get_grob_property ("beam-thickness"));
- Real width = gh_scm2double (me->get_grob_property ("beam-width"));
+ Real thick = robust_scm2double (me->get_property ("beam-thickness"),1);
+ Real width = robust_scm2double (me->get_property ("beam-width"),1);
+ Real blot = me->get_paper ()->get_realvar (ly_symbol2scm ("blotdiameter"));
+
width *= ss;
thick *= ss;
- Molecule a (Lookup::beam (dydx, width, thick));
+ Stencil a (Lookup::beam (dydx, width, thick, blot));
a.translate (Offset (-width/2, width / 2 * dydx));
int tremolo_flags = 0;
- SCM s = me->get_grob_property ("flag-count");
+ SCM s = me->get_property ("flag-count");
if (gh_number_p (s))
tremolo_flags = gh_scm2int (s);
{
programming_error ("No tremolo flags?");
- me->suicide();
- return Molecule ();
+ me->suicide ();
+ return Stencil ();
}
/*
*/
Real beam_translation = beam ? Beam::get_beam_translation (beam) : 0.81;
- Molecule mol;
+ Stencil mol;
for (int i = 0; i < tremolo_flags; i++)
{
- Molecule b (a);
+ Stencil b (a);
b.translate_axis (beam_translation * i, Y_AXIS);
- mol.add_molecule (b);
+ mol.add_stencil (b);
}
return mol;
}
-MAKE_SCHEME_CALLBACK (Stem_tremolo,brew_molecule,1);
+MAKE_SCHEME_CALLBACK (Stem_tremolo,print,1);
SCM
-Stem_tremolo::brew_molecule (SCM grob)
+Stem_tremolo::print (SCM grob)
{
Grob *me = unsmob_grob (grob);
- Grob *stem = unsmob_grob (me->get_grob_property ("stem"));
+ Grob *stem = unsmob_grob (me->get_property ("stem"));
Grob *beam = Stem::get_beam (stem);
Direction stemdir = Stem::get_direction (stem);
- Real beam_translation = beam ? Beam::get_beam_translation (beam) : 0.81;
+ Real beam_translation
+ = (beam && beam->live ())
+ ? Beam::get_beam_translation (beam)
+ : 0.81;
- Molecule mol = raw_molecule (me);
+ Stencil mol = raw_stencil (me);
Interval mol_ext = mol.extent (Y_AXIS);
Real ss = Staff_symbol_referencer::staff_space (me);
// ugh, rather calc from Stem_tremolo_req
- int beam_count = (beam) ? (Stem::beam_multiplicity (stem).length ()+ 1): 0;
-
- /*
- TODO.
- */
+ int beam_count = (beam) ? (Stem::beam_multiplicity (stem).length () + 1): 0;
Real beamthickness = 0.0;
- SCM sbt = (beam) ? beam->get_grob_property ("thickness") : SCM_EOL ;
+ SCM sbt = (beam) ? beam->get_property ("thickness") : SCM_EOL ;
if (gh_number_p (sbt))
{
beamthickness = gh_scm2double (sbt) * ss;
void
Stem_tremolo::set_stem (Grob*me,Grob *s)
{
- me->set_grob_property ("stem", s->self_scm ());
+ me->set_property ("stem", s->self_scm ());
}
ADD_INTERFACE (Stem_tremolo,"stem-tremolo-interface",
- "",
+ "A beam slashing a stem to indicate a tremolo.",
"stem beam-width beam-thickness flag-count");