2 breathing_sign.cc -- implement Breathing_sign
4 Copyright (C) 1999 Michael Krause
6 written for the GNU LilyPond music typesetter
8 TODO: --> see breathing-sign-engraver.cc
12 #include "staff-symbol-referencer.hh"
13 #include "directional-element-interface.hh"
14 #include "breathing-sign.hh"
16 #include "molecule.hh"
17 #include "paper-def.hh"
20 #include "dimensions.hh"
21 #include "direction.hh"
23 MAKE_SCHEME_CALLBACK(Breathing_sign,brew_molecule,1);
25 Breathing_sign::brew_molecule (SCM smob)
27 Score_element * me = unsmob_element (smob);
28 Real space = Staff_symbol_referencer::staff_space (me);
31 Interval i1(0, space / 6), i2(-space / 2, space / 2);
34 return me->lookup_l()->filledbox(b).create_scheme ();
37 MAKE_SCHEME_CALLBACK(Breathing_sign,offset_callback,2);
39 Breathing_sign::offset_callback (SCM element_smob, SCM axis)
41 Score_element *me = unsmob_element (element_smob);
43 Direction d = Directional_element_interface::get (me);
47 Directional_element_interface::set (me, d);
50 Real inter_f = Staff_symbol_referencer::staff_space (me)/2;
51 int sz = Staff_symbol_referencer::line_count (me)-1;
52 return gh_double2scm ( inter_f * sz * d);
56 Breathing_sign::set_interface (Score_element *b)
58 Staff_symbol_referencer::set_interface (b);