lily/breathing-sign.cc

   1 /*
   2   breathing_sign.cc -- implement Breathing_sign
   3
   4   Copyright (C) 1999 Michael Krause
   5
   6   written for the GNU LilyPond music typesetter
   7
   8 TODO: --> see breathing-sign-engraver.cc
   9
  10 */
  11 #include "staff-symbol-referencer.hh"
  12
  13 #include "breathing-sign.hh"
  14 #include "string.hh"
  15 #include "molecule.hh"
  16 #include "paper-def.hh"
  17 #include "lookup.hh"
  18 #include "debug.hh"
  19 #include "dimensions.hh"
  20 #include "direction.hh"
  21
  22
  23 Breathing_sign::Breathing_sign ()
  24 {
  25   set_direction (UP);
  26   set_elt_property ("breakable", SCM_BOOL_T);
  27 }
  28
  29
  30
  31 Molecule*
  32 Breathing_sign::do_brew_molecule_p () const
  33 {
  34   Staff_symbol_referencer_interface si (this);
  35
  36   Real dl = si.staff_space();
  37   Interval i1(0, dl / 6), i2(-dl / 2, dl / 2);
  38   Box b(i1, i2);
  39
  40   Molecule *output = new Molecule (lookup_l()->filledbox(b));
  41
  42   return output;
  43 }
  44
  45 void
  46 Breathing_sign::do_post_processing()
  47 {
  48   Real dl = Staff_symbol_referencer_interface (this).staff_space();
  49
  50   translate_axis(2.0 * dl * get_direction (), Y_AXIS);
  51 }
  52