lily/font-size-engraver.cc

   1 /*
   2   font-size-grav.cc --  implement Font_size_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7
   8  */
   9
  10 #include "font-size-engraver.hh"
  11 #include "score-element.hh"
  12 #include "lily-guile.hh"
  13
  14 Font_size_engraver::Font_size_engraver ()
  15 {
  16   size_ = SCM_EOL;
  17 }
  18
  19 void
  20 Font_size_engraver::do_process_requests ()
  21 {
  22   SCM s (get_property ("fontSize", 0));
  23
  24   if (gh_number_p(s))
  25     {
  26       size_ = gh_scm2int (s);
  27     }
  28   else
  29     {
  30       size_ = SCM_EOL;
  31     }
  32 }
  33
  34 void
  35 Font_size_engraver::acknowledge_element (Score_element_info e)
  36 {
  37   if (size_ != SCM_EOL
  38       && e.elem_l_->get_elt_property (fontsize_scm_sym) == SCM_BOOL_F)
  39     {
  40       e.elem_l_->set_elt_property (fontsize_scm_sym, size_);
  41     }
  42 }
  43
  44 ADD_THIS_TRANSLATOR (Font_size_engraver);
  45