/*
crescendo.cc -- implement Crescendo
- source file of the LilyPond music typesetter
+ source file of the GNU LilyPond music typesetter
(c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
*/
+#include "molecule.hh"
+#include "dimen.hh"
#include "crescendo.hh"
#include "lookup.hh"
#include "paper-def.hh"
+#include "debug.hh"
+#include "score-column.hh"
-Crescendo::Crescendo(int s)
+Crescendo::Crescendo()
{
- staff_size_i_ = s;
- grow_dir_i_ =0;
- dir_i_ = -1 ;
+ grow_dir_ =0;
+ dir_ = DOWN;
+ dyn_b_drul_[LEFT] = dyn_b_drul_[RIGHT] =false;
}
-Spanner*
-Crescendo::do_break_at(PCol*, PCol*)const
+Interval
+Crescendo::symbol_height() const
{
- return new Crescendo(*this);
+ return get_symbol().dim_[Y_AXIS];
}
+static Real absdyn_dim = 10 PT; // ugh
+
+Atom
+Crescendo::get_symbol() const
+{
+ Real w_dim = width().length ();
+ if (dyn_b_drul_[LEFT])
+ {
+ w_dim -= absdyn_dim;
+ }
+ if (dyn_b_drul_[RIGHT])
+ {
+ w_dim -= absdyn_dim;
+ }
+
+ if (w_dim < 0)
+ {
+ warning (_("Crescendo too small"));
+ w_dim = 0;
+ }
+
+ Drul_array<bool> broken;
+ Direction d = LEFT;
+ do {
+ Score_column* s = (Score_column* )spanned_drul_[d] ; // UGH
+ broken[d] = (!s->musical_b());
+ } while (flip(&d) != LEFT);
+
+
+ bool continued = broken[(Direction)-grow_dir_];
+ return Atom (paper()->lookup_l ()->hairpin (w_dim, grow_dir_ < 0, continued));
+}
Molecule*
-Crescendo::brew_molecule_p() const return m_p ;
+Crescendo::brew_molecule_p() const
{
- m_p = new Molecule;
- Real w_f = width().length();
- Symbol s( paper()->lookup_l()->hairpin(w_f, grow_dir_i_ < 0) );
- m_p->add(Atom(s));
- int pos = (dir_i_ >0) ? staff_size_i_ + 4 : - 4 ;
- m_p->translate(Offset(0,pos * paper()->internote()));
+ Molecule* m_p =0;
+ Real x_off_dim=0.0;
+ if (dyn_b_drul_[LEFT])
+ x_off_dim += absdyn_dim;
+
+ m_p = new Molecule;
+ Atom s (get_symbol());
+ m_p->add (Atom (s));
+ m_p->translate (Offset (x_off_dim, y_));
+ return m_p;
}
-IMPLEMENT_STATIC_NAME(Crescendo);
+
+IMPLEMENT_IS_TYPE_B1(Crescendo,Spanner);