/*
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>
+ (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "dimen.hh"
+
+#include "molecule.hh"
#include "crescendo.hh"
#include "lookup.hh"
+#include "dimensions.hh"
#include "paper-def.hh"
#include "debug.hh"
-Crescendo::Crescendo(int s)
+#include "score-column.hh"
+
+Crescendo::Crescendo ()
{
- staff_size_i_ = s;
- grow_dir_i_ =0;
- dir_i_ = -1 ;
- left_dyn_b_ = right_dyn_b_ =false;
+ 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
-Molecule*
-Crescendo::brew_molecule_p() const return m_p ;
+Molecule
+Crescendo::get_symbol () const
{
- Real x_off_dim=0.0;
- Real absdyn_dim = 10 PT; // UGR
-
- m_p = new Molecule;
- Real w_dim = width().length();
- if ( left_dyn_b_ ) {
- w_dim -= absdyn_dim;
- x_off_dim += absdyn_dim;
+ Real w_dim = extent (X_AXIS).length ();
+ if (dyn_b_drul_[LEFT])
+ {
+ w_dim -= absdyn_dim;
}
- if ( right_dyn_b_ ) {
- w_dim -= absdyn_dim;
+ if (dyn_b_drul_[RIGHT])
+ {
+ w_dim -= absdyn_dim;
}
-
- if (w_dim < 0) {
- error("Crescendo too small");
- w_dim = 0;
+
+ if (w_dim < 0)
+ {
+ warning (_ ("crescendo") + " " + _ ("too small"));
+ w_dim = 0;
}
- Symbol s( paper()->lookup_l()->hairpin(w_dim, grow_dir_i_ < 0) );
- m_p->add(Atom(s));
- int pos = (dir_i_ >0) ? staff_size_i_ + 4 : - 4 ;
- if(dir_i_<0 ) // should do something better anyway.
- m_p->translate(Offset(0, -m_p->extent().y.left ));
- m_p->translate(Offset(x_off_dim,pos * paper()->internote()));
+
+ Drul_array<bool> broken;
+ Direction d = LEFT;
+ do {
+ Score_column* s = dynamic_cast<Score_column*>(spanned_drul_[d]); // UGH
+ broken[d] = (!s->musical_b ());
+ } while (flip (&d) != LEFT);
+
+
+ bool continued = broken[Direction (-grow_dir_)];
+ return Molecule (lookup_l ()->hairpin (w_dim, grow_dir_ < 0, continued));
}
-IMPLEMENT_STATIC_NAME(Crescendo);
+Molecule*
+Crescendo::do_brew_molecule_p () const
+{
+ Molecule* m_p =0;
+ Real x_off_dim=0.0;
+ if (dyn_b_drul_[LEFT])
+ x_off_dim += absdyn_dim;
+
+ m_p = new Molecule;
+ Molecule s (get_symbol ());
+ m_p->add_molecule (s);
+ m_p->translate (Offset (x_off_dim, coordinate_offset_f_));
+ return m_p;
+}
+
+
+