lily/engraver.cc

   1 /*
   2   engraver.cc -- implement Engraver
   3
   4   Sourcefile of GNU LilyPond music type setter
   5
   6   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "music-list.hh"
  10 #include "musical-request.hh"
  11 #include "engraver.hh"
  12 #include "engraver-group-engraver.hh"
  13 #include "debug.hh"
  14 #include "paper-def.hh"
  15 #include "score-element.hh"
  16 #include "group-interface.hh"
  17
  18
  19 void
  20 Engraver::announce_element (Score_element_info i)
  21 {
  22   Score_element *  e = i.elem_l_;
  23
  24   if (e->get_elt_property ("interfaces") == SCM_EOL)
  25     Group_interface (e, "interfaces").add_thing (ly_symbol2scm (e->name()));
  26
  27   if (!i.origin_trans_l_)
  28     i.origin_trans_l_ = this;
  29   daddy_grav_l()->announce_element (i);
  30 }
  31
  32 void
  33 Engraver::typeset_element (Score_element*p)
  34 {
  35   daddy_grav_l()->typeset_element (p);
  36 }
  37
  38
  39 Paper_def*
  40 Engraver::paper_l () const
  41 {
  42   return dynamic_cast<Paper_def*>(output_def_l_);
  43 }
  44
  45 Engraver_group_engraver*
  46 Engraver::daddy_grav_l () const
  47 {
  48   return (daddy_trans_l_ )
  49        ? dynamic_cast<Engraver_group_engraver *> (daddy_trans_l_)
  50        : 0;
  51 }