lyric-extender.cc -- implement Lyric_extender
source file of the GNU LilyPond music typesetter
- (c) 1998--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2002 Jan Nieuwenhuizen <janneke@gnu.org>
Han-Wen Nienhuys
*/
#include "lyric-extender.hh"
-MAKE_SCHEME_CALLBACK(Lyric_extender,brew_molecule,1)
+MAKE_SCHEME_CALLBACK (Lyric_extender,brew_molecule,1)
SCM
Lyric_extender::brew_molecule (SCM smob)
{
- Spanner *sp = dynamic_cast<Spanner*> (unsmob_grob (smob));
+ Spanner *sp = unsmob_spanner (smob);
// ugh: refp
Real leftext = sp->get_bound (LEFT)->extent (sp->get_bound (LEFT),
X_AXIS).length ();
- Real sl = sp->paper_l ()->get_var ("stafflinethickness");
+ Real sl = sp->paper_l ()->get_var ("linethickness");
Real righttrim = 0.5; // default to half a space gap on the right
- SCM righttrim_scm = sp->get_grob_property("right-trim-amount");
+ SCM righttrim_scm = sp->get_grob_property ("right-trim-amount");
if (gh_number_p (righttrim_scm)) {
righttrim = gh_scm2double (righttrim_scm);
}
}
Real w = sp->spanner_length () - leftext - righttrim;
- Real h = sl * gh_scm2double (sp->get_grob_property ("height"));
- Molecule mol (Lookup::filledbox ( Box (Interval (0,w), Interval (0,h))));
+ Real h = sl * gh_scm2double (sp->get_grob_property ("height"));
+ Molecule mol (Lookup::filledbox (Box (Interval (0,w), Interval (0,h))));
mol.translate (Offset (leftext, 0));
- return mol.smobbed_copy();
+ return mol.smobbed_copy ();
}
void
}
+
+
+ADD_INTERFACE (Lyric_extender,"lyric-extender-interface",
+ "The extender is a simple line at the baseline of the lyric
+that helps show the length of a melissima (tied/slurred note).",
+ "word-space height right-trim-amount");