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_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 me->translate_axis (Staff_symbol_referencer::staff_space (me) , Y_AXIS);
29 Score_element * d = unsmob_element (me->get_elt_property ("dot"));
30 if (d && bt > 4) // UGH.
32 d->set_elt_property ("staff-position",
33 gh_int2scm ((bt == 7) ? 4 : 3));
36 return SCM_UNSPECIFIED;
40 MAKE_SCHEME_CALLBACK(Rest,brew_molecule)
42 Rest::brew_molecule (SCM smob)
44 Score_element* me = unsmob_element (smob);
48 SCM balltype = me->get_elt_property ("duration-log");
50 if (balltype == gh_int2scm (0) || balltype == gh_int2scm (1))
52 int sz = Staff_symbol_referencer::line_count (me);
53 Real dif = abs(Staff_symbol_referencer::position_f (me) - (2* gh_scm2int (balltype) - 1));
58 SCM style_sym =me->get_elt_property ("style");
59 if (gh_scm2int (balltype) >= 2 && gh_string_p (style_sym))
61 style = ly_scm2string (style_sym);
64 String idx = ("rests-") + to_str (gh_scm2int (balltype))
65 + (ledger_b ? "o" : "") + style;
67 return me-> lookup_l ()->afm_find (idx).create_scheme();
72 Rest::has_interface (Score_element*m)
74 return m && m->has_interface (ly_symbol2scm ("rest-interface"));