/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1996--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1996--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
TODO: This is way too hairy
bool
Stem::is_invisible (Grob *me)
{
- return !is_normal_stem (me)
- && (robust_scm2double (me->get_property ("stemlet-length"),
- 0.0) == 0.0);
+ if (is_normal_stem (me))
+ return false;
+ else if (head_count (me))
+ return true;
+ else // if there are no note-heads, we might want stemlets
+ return 0.0 == robust_scm2double (me->get_property ("stemlet-length"), 0.0);
}
bool
if (!head_count (me))
return false;
- extract_grob_set (me, "note-heads", heads);
- SCM style = heads[0]->get_property ("style");
- return style != ly_symbol2scm ("kievan") && scm_to_int (me->get_property ("duration-log")) >= 1;
+ return scm_to_int (me->get_property ("duration-log")) >= 1;
}
MAKE_SCHEME_CALLBACK (Stem, pure_height, 3)
return pos;
}
+
+MAKE_SCHEME_CALLBACK (Stem, pure_calc_length, 3);
+SCM
+Stem::pure_calc_length (SCM smob, SCM /*start*/, SCM /*end*/)
+{
+ Grob *me = unsmob_grob (smob);
+ Real beg = robust_scm2double (me->get_pure_property ("stem-begin-position", 0, INT_MAX), 0.0);
+ Real res = fabs (internal_calc_stem_end_position (me, false) - beg);
+ return scm_from_double (res);
+}
+
+MAKE_SCHEME_CALLBACK (Stem, calc_length, 1);
+SCM
+Stem::calc_length (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+ if (unsmob_grob (me->get_object ("beam")))
+ {
+ me->programming_error ("ly:stem::calc-length called but will not be used for beamed stem.");
+ return scm_from_double (0.0);
+ }
+
+ Real beg = robust_scm2double (me->get_property ("stem-begin-position"), 0.0);
+ Real res = fabs (internal_calc_stem_end_position (me, true) - beg);
+ return scm_from_double (res);
+}
+
bool
Stem::is_valid_stem (Grob *me)
{
if (!lh && !beam)
return false;
- if (lh && robust_scm2int (lh->get_property ("duration-log"), 0) < 1)
- return false;
-
if (is_invisible (me))
return false;
"default-direction "
"details "
"direction "
+ "double-stem-separation "
"duration-log "
"flag "
"french-beaming "