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/*
staffsym.cc -- implement Staff_symbol
source file of the GNU LilyPond music typesetter
(c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "staff-sym.hh"
#include "lookup.hh"
#include "dimensions.hh"
#include "paper-def.hh"
#include "molecule.hh"
#include "debug.hh"
#include "item.hh"
Staff_symbol::Staff_symbol ()
{
no_lines_i_ = 5;
interline_f_ = 0 PT;
}
void
Staff_symbol::do_print() const
{
#ifndef NPRINT
Spanner::do_print();
DOUT << "lines: " << no_lines_i_;
#endif
}
Interval
Staff_symbol::do_height() const
{
int n = no_lines_i_ -1;
// return 2* inter_note_f () * Interval (-n, n);
return inter_note_f () * Interval (-n, n);
}
Molecule*
Staff_symbol::do_brew_molecule_p() const
{
Real w = extent (X_AXIS).length ();
Real left_dx = -spanned_drul_[LEFT]->extent (X_AXIS)[LEFT];
Real right_dx = spanned_drul_[RIGHT]->extent (X_AXIS)[RIGHT];
Paper_def * p = paper();
Atom rule = lookup_l ()->rule_symbol (p->get_var ("rulethickness"),
w);
Real height = (no_lines_i_-1) * inter_note_f();
Molecule * m = new Molecule;
for (int i=0; i < no_lines_i_; i++)
{
Atom a (rule);
a.translate_axis (height - i * inter_note_f()*2, Y_AXIS);
m->add_molecule (a);
}
// m->translate_axis (-left_dx, X_AXIS);
return m;
}
Real
Staff_symbol::inter_note_f() const
{
if (interline_f_)
return interline_f_/2;
return paper()->internote_f ();
}
int
Staff_symbol::steps_i() const
{
return no_lines_i_*2;
}
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