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_i_ =0;
  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         Feature f;
  28         f.type_ = c_l->groupfeature()->type_str_;
  29         f.value_ = c_l->groupfeature()->value_str_;
  30         set_feature(f);
  31         return true;
  32     }
  33     return Engraver_group_engraver::do_try_request(r_l);
  34 }
  35
  36
  37
  38 IMPLEMENT_IS_TYPE_B1(Voice_group_engravers,Engraver_group_engraver);
  39
  40 void
  41 Voice_group_engravers::do_print() const
  42 {
  43 #ifndef NPRINT
  44     Engraver_group_engraver::do_print();
  45 #endif
  46 }
  47
  48
  49
  50 Scalar
  51 Voice_group_engravers::get_feature(String f)
  52 {
  53     if (f == "vdir")
  54         return dir_i_;
  55     Engraver_group_engraver::get_feature(f);
  56 }
  57
  58 ADD_THIS_ENGRAVER(Voice_group_engravers);