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 void
  19 Engraver::fill_staff_info (Staff_info&)
  20 {
  21
  22 }
  23
  24 void
  25 Engraver::announce_element (Score_element_info i)
  26 {
  27   Score_element *  e = i.elem_l_;
  28   group (e, "interfaces").add_thing (ly_symbol2scm (e->name()));
  29
  30   if (!i.origin_trans_l_)
  31     i.origin_trans_l_ = this;
  32   daddy_grav_l()->announce_element (i);
  33 }
  34
  35 void
  36 Engraver::typeset_element (Score_element*p)
  37 {
  38   daddy_grav_l()->typeset_element (p);
  39 }
  40
  41
  42 Paper_def*
  43 Engraver::paper_l () const
  44 {
  45   return dynamic_cast<Paper_def*>(output_def_l_);
  46 }
  47
  48
  49 Staff_info
  50 Engraver::get_staff_info() const
  51 {
  52   if (daddy_grav_l())
  53     return daddy_grav_l()->get_staff_info();
  54   Staff_info info;
  55   return info;
  56 }
  57
  58
  59
  60
  61
  62 Engraver_group_engraver*
  63 Engraver::daddy_grav_l () const
  64 {
  65   return (daddy_trans_l_ )
  66        ? dynamic_cast<Engraver_group_engraver *> (daddy_trans_l_)
  67        : 0;
  68 }