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
  20
  21 Dots*
  22 Rhythmic_head::dots_l () const
  23 {
  24   SCM s = get_elt_pointer ("dot");
  25   return dynamic_cast<Dots*> (unsmob_element (s));
  26 }
  27
  28 int
  29 Rhythmic_head::balltype_i () const
  30 {
  31   SCM s = get_elt_property ("duration-log");
  32
  33   return gh_number_p (s) ? gh_scm2int (s) : 0;
  34 }
  35
  36 Stem*
  37 Rhythmic_head::stem_l () const
  38 {
  39   SCM s = get_elt_pointer ("stem");
  40   return dynamic_cast<Stem*> (unsmob_element (s));
  41 }
  42
  43 int
  44 Rhythmic_head::dot_count () const
  45 {
  46   return dots_l ()
  47     ? gh_scm2int (dots_l ()->get_elt_property ("dot-count")) : 0;
  48 }
  49
  50 GLUE_SCORE_ELEMENT(Rhythmic_head,after_line_breaking);
  51 SCM
  52 Rhythmic_head::member_after_line_breaking ()
  53 {
  54   if (Dots *d = dots_l ())
  55     {
  56       Staff_symbol_referencer_interface si (d);
  57       Staff_symbol_referencer_interface me (d);
  58       si.set_position(int (me.position_f ()));
  59     }
  60
  61   return SCM_UNDEFINED;
  62 }
  63
  64
  65 void
  66 Rhythmic_head::add_dots (Dots *dot_l)
  67 {
  68   set_elt_pointer ("dot", dot_l->self_scm_);
  69   dot_l->add_dependency (this);
  70 }
  71
  72
  73 Rhythmic_head::Rhythmic_head (SCM s)
  74   : Item (s)
  75 {
  76 }