lily/voice-group-gravs.cc

   1 /*
   2   voicegroup.cc -- implement Voice_group_engravers
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8 #include "proto.hh"
   9 #include "plist.hh"
  10 #include "musical-request.hh"
  11 #include "voice-group-gravs.hh"
  12 #include "engraver.hh"
  13 #include "command-request.hh"
  14 #include "debug.hh"
  15
  16
  17 Voice_group_engravers::Voice_group_engravers()
  18 {
  19   dir_ =CENTER;
  20 }
  21
  22 bool
  23 Voice_group_engravers::do_try_request (Request*r_l)
  24 {
  25   Command_req* c_l = r_l->command();
  26   if (c_l&& c_l->groupfeature())
  27     {
  28       Feature f;
  29       f.type_ = c_l->groupfeature()->type_str_;
  30       f.value_ = c_l->groupfeature()->value_str_;
  31       set_feature (f);
  32       return true;
  33     }
  34   return Engraver_group_engraver::do_try_request (r_l);
  35 }
  36
  37
  38
  39 IMPLEMENT_IS_TYPE_B1(Voice_group_engravers,Engraver_group_engraver);
  40
  41 void
  42 Voice_group_engravers::do_print() const
  43 {
  44 #ifndef NPRINT
  45   Engraver_group_engraver::do_print();
  46 #endif
  47 }
  48
  49
  50
  51 Scalar
  52 Voice_group_engravers::get_feature (String f)
  53 {
  54   if (f == "vdir")
  55     return dir_;
  56   Engraver_group_engraver::get_feature (f);
  57 }
  58
  59 ADD_THIS_ENGRAVER(Voice_group_engravers);