2 crescendo.cc -- implement Crescendo
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
11 #include "crescendo.hh"
13 #include "paper-def.hh"
15 #include "score-column.hh"
17 Crescendo::Crescendo()
21 dyn_b_drul_[LEFT] = dyn_b_drul_[RIGHT] =false;
25 Crescendo::symbol_height() const
27 return get_symbol().dim_[Y_AXIS];
30 static Real absdyn_dim = 10 PT; // ugh
33 Crescendo::get_symbol() const
35 Real w_dim = width().length ();
36 if (dyn_b_drul_[LEFT])
40 if (dyn_b_drul_[RIGHT])
47 warning (_("Crescendo too small"));
51 Drul_array<bool> broken;
54 Score_column* s = (Score_column* )spanned_drul_[d] ; // UGH
55 broken[d] = (!s->musical_b());
56 } while ((d *= -1) != LEFT);
59 bool continued = broken[(Direction)-grow_dir_];
60 return Atom (paper()->lookup_l ()->hairpin (w_dim, grow_dir_ < 0, continued));
64 Crescendo::brew_molecule_p() const
68 if (dyn_b_drul_[LEFT])
69 x_off_dim += absdyn_dim;
72 Atom s (get_symbol());
74 m_p->translate (Offset (x_off_dim, y_));
79 IMPLEMENT_IS_TYPE_B1(Crescendo,Spanner);