source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "dots.hh"
+#include "item.hh"
#include "molecule.hh"
#include "paper-def.hh"
+#include "font-interface.hh"
#include "lookup.hh"
#include "staff-symbol-referencer.hh"
#include "directional-element-interface.hh"
-Dots::Dots ()
-{
- dots_i_ =0;
-}
-void
-Dots::do_post_processing ()
+MAKE_SCHEME_CALLBACK (Dots,quantised_position_callback,2);
+SCM
+Dots::quantised_position_callback (SCM element_smob, SCM axis)
{
- if (!dots_i_)
- {
- set_elt_property ("transparent", SCM_BOOL_T);
- set_empty (X_AXIS);
- set_empty (Y_AXIS);
- }
- else
+ Grob *me = unsmob_grob (element_smob);
+ Axis a = (Axis) gh_scm2int (axis);
+ assert (a == Y_AXIS);
+
+ SCM d= me->get_grob_property ("dot-count");
+ if (gh_number_p (d) && gh_scm2int (d))
{
- if (!directional_element (this).get ())
- directional_element (this).set (UP);
+ if (!Directional_element_interface::get (me))
+ Directional_element_interface::set (me, UP);
- Staff_symbol_referencer_interface si (this);
- int p = int (si.position_f ());
- if (!(p % 2))
- si.set_position (p + directional_element (this).get ());
+ if (Staff_symbol_referencer::on_staffline (me))
+ return gh_double2scm (Staff_symbol_referencer::staff_space (me) / 2.0 * Directional_element_interface::get (me));
}
+
+ return gh_double2scm (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,1);
+SCM
+Dots::brew_molecule (SCM d)
+{
+ Grob *sc = unsmob_grob (d);
+ Molecule mol;
+
+ SCM c = sc->get_grob_property ("dot-count");
+
+ if (gh_number_p (c))
{
- d.translate_axis (2*dw,X_AXIS);
- out->add_molecule (d);
- }
+ Molecule d = Font_interface::get_default_font (sc)->find_by_name (String ("dots-dot"));
+ Real dw = d.extent (X_AXIS).length ();
+
- return out;
+ /*
+ we need to add a real blank box, to assure that
+ side-positioning doth not cancel the left-most padding. */
+
+ /*
+ TODO: this should be handled by side-position padding.
+ */
+ mol = Lookup::blank (Box (Interval (0,0),
+ Interval (0,0)));
+
+ for (int i = gh_scm2int (c); i--;)
+ {
+ d.translate_axis (2*dw,X_AXIS);
+ mol.add_at_edge (X_AXIS, RIGHT, d, dw);
+ }
+ }
+ return mol.smobbed_copy ();
}
+
+ADD_INTERFACE (Dots, "dots-interface",
+ "The dots to go with a notehead/rest. A separate interface, since they
+are a party in collision resolution.
+#'direction is the Direction to handle staff-line collisions in.",
+ "direction dot-count");
+
+