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 "rest.hh"
  12 #include "stem.hh"
  13 #include "staff-symbol-referencer.hh"
  14 #include "item.hh"
  15
  16
  17 Item*
  18 Rhythmic_head::dots_l (Grob*me)
  19 {
  20   SCM s = me->get_grob_property ("dot");
  21   return dynamic_cast<Item*> (unsmob_grob (s));
  22 }
  23
  24 int
  25 Rhythmic_head::balltype_i (Grob*me)
  26 {
  27   SCM s = me->get_grob_property ("duration-log");
  28
  29   return gh_number_p (s) ? gh_scm2int (s) : 0;
  30 }
  31
  32 Item*
  33 Rhythmic_head::stem_l (Grob*me)
  34 {
  35   SCM s = me->get_grob_property ("stem");
  36   return dynamic_cast<Item*> (unsmob_grob (s));
  37 }
  38
  39 int
  40 Rhythmic_head::dot_count (Grob*me)
  41 {
  42   return dots_l (me)
  43     ? gh_scm2int (dots_l (me)->get_grob_property ("dot-count")) : 0;
  44 }
  45
  46 void
  47 Rhythmic_head::set_dots (Grob*me,Item *dot_l)
  48 {
  49   me->set_grob_property ("dot", dot_l->self_scm ());
  50 }
  51
  52
  53 void
  54 Rhythmic_head::set_interface (Grob*me)
  55 {
  56   me->set_interface (ly_symbol2scm ("rhythmic-head-interface"));
  57 }
  58
  59 bool
  60 Rhythmic_head::has_interface (Grob*me)
  61 {
  62   return me &&  me->has_interface (ly_symbol2scm ("rhythmic-head-interface"));
  63 }