source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "dots.hh"
+#include "item.hh"
#include "molecule.hh"
#include "paper-def.hh"
#include "lookup.hh"
+#include "staff-symbol-referencer.hh"
+#include "directional-element-interface.hh"
-Dots::Dots ()
-{
- dots_i_ =0;
-}
-void
-Dots::do_post_processing ()
+Real
+Dots::quantised_position_callback (Score_element * me, Axis a)
{
- if (!dots_i_)
- {
- set_elt_property ("transparent", SCM_BOOL_T);
- set_empty (X_AXIS);
- set_empty (Y_AXIS);
- }
- else
+ assert (a == Y_AXIS);
+
+ SCM d= me->get_elt_property ("dot-count");
+ if (gh_number_p (d) && gh_scm2int (d))
{
- if (!get_direction ())
- set_direction (UP);
+ if (!Directional_element_interface::get (me))
+ Directional_element_interface::set (me, UP);
- int p = int (position_f ());
- if (!(p % 2))
- set_position (p + get_direction ());
+ if (Staff_symbol_referencer::on_staffline (me))
+ return Staff_symbol_referencer::staff_space (me) / 2.0 * Directional_element_interface::get (me);
}
+
+ return 0.0;
}
-Molecule*
-Dots::do_brew_molecule_p () const
-{
- Molecule *out = new Molecule;
- Molecule fill = lookup_l ()->fill (Box (Interval (0,0),
- Interval (0,0)));
- out->add_molecule (fill);
- Molecule d = lookup_l ()->afm_find (String ("dots-dot"));
- Real dw = d.dim_[X_AXIS].length ();
- d.translate_axis (-dw, X_AXIS);
- for (int i=dots_i_; i--; )
+MAKE_SCHEME_CALLBACK(Dots,brew_molecule);
+SCM
+Dots::brew_molecule (SCM d)
+{
+ Score_element *sc = unsmob_element (d);
+ Molecule mol (sc->lookup_l ()->blank (Box (Interval (0,0),
+ Interval (0,0))));
+
+ SCM c = sc->get_elt_property ("dot-count");
+ if (gh_number_p (c))
{
- d.translate_axis (2*dw,X_AXIS);
- out->add_molecule (d);
- }
+ Molecule d = sc->lookup_l ()->afm_find (String ("dots-dot"));
- return out;
+ Real dw = d.extent (X_AXIS).length ();
+ d.translate_axis (-dw, X_AXIS);
+
+
+ for (int i = gh_scm2int (c); i--; )
+ {
+ d.translate_axis (2*dw,X_AXIS);
+ mol.add_molecule (d);
+ }
+ }
+ return mol.create_scheme ();
}