lily/rhythmic-head.cc

   1 /*
   2   rhythmic-head.cc -- implement Rhythmic_head
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "rhythmic-head.hh"
  10 #include "debug.hh"
  11 #include "molecule.hh"
  12 #include "paper-def.hh"
  13 #include "lookup.hh"
  14 #include "rest.hh"
  15 #include "dots.hh"
  16 #include "paper-score.hh"
  17 #include "stem.hh"
  18 #include "staff-symbol-referencer.hh"
  19 #include "item.hh"
  20
  21
  22 Item*
  23 Rhythmic_head::dots_l (Score_element*me)
  24 {
  25   SCM s = me->get_elt_property ("dot");
  26   return dynamic_cast<Item*> (unsmob_element (s));
  27 }
  28
  29 int
  30 Rhythmic_head::balltype_i (Score_element*me)
  31 {
  32   SCM s = me->get_elt_property ("duration-log");
  33
  34   return gh_number_p (s) ? gh_scm2int (s) : 0;
  35 }
  36
  37 Item*
  38 Rhythmic_head::stem_l (Score_element*me)
  39 {
  40   SCM s = me->get_elt_property ("stem");
  41   return dynamic_cast<Item*> (unsmob_element (s));
  42 }
  43
  44 int
  45 Rhythmic_head::dot_count (Score_element*me)
  46 {
  47   return dots_l (me)
  48     ? gh_scm2int (dots_l (me)->get_elt_property ("dot-count")) : 0;
  49 }
  50
  51 void
  52 Rhythmic_head::set_dots (Score_element*me,Item *dot_l)
  53 {
  54   me->set_elt_property ("dot", dot_l->self_scm ());
  55 }
  56
  57
  58 void
  59 Rhythmic_head::set_interface (Score_element*me)
  60 {
  61   me->set_interface (ly_symbol2scm ("rhythmic-head-interface"));
  62 }
  63
  64 bool
  65 Rhythmic_head::has_interface (Score_element*me)
  66 {
  67   return me &&  me->has_interface (ly_symbol2scm ("rhythmic-head-interface"));
  68 }