2 rest.cc -- implement Rest
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "paper-def.hh"
14 #include "paper-score.hh"
15 #include "staff-symbol-referencer.hh"
18 MAKE_SCHEME_SCORE_ELEMENT_CALLBACK(Rest,after_line_breaking);
20 Rest::after_line_breaking (SCM smob)
22 Score_element *me = unsmob_element (smob);
23 int bt = gh_scm2int (me->get_elt_property ("duration-log"));
26 Staff_symbol_referencer_interface si (me);
27 me->translate_axis (si.staff_space() , Y_AXIS);
30 Score_element * d = unsmob_element (me->get_elt_pointer ("dot"));
31 if (d && bt > 4) // UGH.
33 d->set_elt_property ("staff-position",
34 gh_int2scm ((bt == 7) ? 4 : 3));
41 MAKE_SCHEME_SCORE_ELEMENT_CALLBACK(Rest,brew_molecule)
43 Rest::brew_molecule (SCM smob)
45 Score_element* sc = unsmob_element (smob);
49 SCM balltype = sc->get_elt_property ("duration-log");
51 if (balltype == gh_int2scm (0) || balltype == gh_int2scm (1))
53 Staff_symbol_referencer_interface si(sc);
54 ledger_b = abs(si.position_f () - (2* gh_scm2int (balltype) - 1))
59 SCM style_sym =sc->get_elt_property ("style");
60 if (gh_scm2int (balltype) >= 2 && gh_string_p (style_sym))
62 style = ly_scm2string (style_sym);
65 String idx = ("rests-") + to_str (gh_scm2int (balltype))
66 + (ledger_b ? "o" : "") + style;
68 return sc-> lookup_l ()->afm_find (idx).create_scheme();