lily/engraver.cc

   1 /*
   2   engraver.cc -- implement Engraver
   3
   4   Sourcefile of GNU LilyPond musictypesetter
   5
   6   (c)  1997--1999 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
  17 void
  18 Engraver::fill_staff_info (Staff_info&)
  19 {
  20
  21 }
  22
  23 void
  24 Engraver::announce_element (Score_element_info i)
  25 {
  26   i.origin_trans_l_arr_.push (this);
  27   Score_element *s  = i.elem_l_;
  28   if (s->self_scm_ == SCM_EOL)
  29     {
  30       scm_protect_object (s->smobify_self ());
  31     }
  32
  33   daddy_grav_l()->announce_element (i);
  34 }
  35
  36 void
  37 Engraver::typeset_element (Score_element*p)
  38 {
  39   daddy_grav_l()->typeset_element (p);
  40 }
  41
  42
  43 Paper_def*
  44 Engraver::paper_l () const
  45 {
  46   return dynamic_cast<Paper_def*>(output_def_l_);
  47 }
  48
  49
  50 Staff_info
  51 Engraver::get_staff_info() const
  52 {
  53   if (daddy_grav_l())
  54     return daddy_grav_l()->get_staff_info();
  55   Staff_info info;
  56   return info;
  57 }
  58
  59
  60
  61
  62
  63 Engraver_group_engraver*
  64 Engraver::daddy_grav_l () const
  65 {
  66   return (daddy_trans_l_ )
  67        ? dynamic_cast<Engraver_group_engraver *> (daddy_trans_l_)
  68        : 0;
  69 }