source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include "hairpin.hh"
+
#include "staff-symbol-referencer.hh"
-#include "stencil.hh"
#include "line-interface.hh"
-#include "hairpin.hh"
#include "spanner.hh"
#include "font-interface.hh"
#include "dimensions.hh"
#include "warn.hh"
#include "paper-column.hh"
#include "lookup.hh"
+#include "text-item.hh"
+
+
+MAKE_SCHEME_CALLBACK(Hairpin,after_line_breaking,1);
+SCM
+Hairpin::after_line_breaking (SCM smob)
+{
+ Spanner *me = dynamic_cast<Spanner *> (unsmob_grob (smob));
+
+ Drul_array<bool> broken;
+ Drul_array<Item *> bounds;
+ Direction d = LEFT;
+ do
+ {
+ bounds[d] = me->get_bound (d);
+ broken[d] = bounds[d]->break_status_dir () != CENTER;
+ }
+ while (flip (&d) != LEFT);
+
+ if (broken[LEFT]
+ && ly_c_equal_p (bounds[RIGHT]->get_column ()->get_property ("when"),
+ bounds[LEFT]->get_property ("when")))
+ {
+ me->suicide ();
+ }
+ return SCM_UNSPECIFIED;
+}
+
MAKE_SCHEME_CALLBACK (Hairpin, print, 1);
SCM
-Hairpin::print (SCM smob)
+Hairpin::print (SCM smob)
{
- Grob *me= unsmob_grob (smob);
- Spanner *spanner = dynamic_cast<Spanner*> (me);
+ Spanner *me = dynamic_cast<Spanner *> (unsmob_grob (smob));
SCM s = me->get_property ("grow-direction");
if (!is_direction (s))
me->suicide ();
return SCM_EOL;
}
-
+
Direction grow_dir = to_dir (s);
+ Real padding = robust_scm2double (me->get_property ("bound-padding"), 0.5);
- Real padding = ly_scm2double (me->get_property ("bound-padding"));
-
Drul_array<bool> broken;
- Drul_array<Item*> bounds ;
+ Drul_array<Item *> bounds;
Direction d = LEFT;
do
{
- bounds[d] = spanner->get_bound (d);
+ bounds[d] = me->get_bound (d);
broken[d] = bounds[d]->break_status_dir () != CENTER;
}
while (flip (&d) != LEFT);
Grob *common = bounds[LEFT]->common_refpoint (bounds[RIGHT], X_AXIS);
- Drul_array<Real> x_points ;
+ Drul_array<Real> x_points;
do
{
if (broken [d])
{
if (d == LEFT)
- x_points[d] = b->extent (common,X_AXIS)[RIGHT] ;
+ x_points[d] = b->extent (common, X_AXIS)[RIGHT];
}
else
{
- if (dynamic_cast<Paper_column*> (b))
+ if (Text_interface::has_interface (b))
+ {
+ Interval e = b->extent (common, X_AXIS);
+ if (!e.is_empty ())
+ x_points[d] = e[-d] - d * padding;
+ }
+ else
{
+ bool neighbor_found = false;
+ for (SCM adj = me->get_property ("adjacent-hairpins");
+ scm_is_pair (adj); adj = scm_cdr (adj))
+ {
+ /*
+ FIXME: this will fuck up in case of polyphonic
+ notes in other voices. Need to look at note-columns
+ in the current staff/voice.
+ */
+
+ Spanner *pin = unsmob_spanner (scm_car (adj));
+ if (pin
+ && (pin->get_bound (LEFT)->get_column () == b->get_column ()
+ || pin->get_bound (RIGHT)->get_column () == b->get_column ()))
+ neighbor_found = true;
+ }
+
/*
If we're hung on a paper column, that means we're not
adjacent to a text-dynamic, and we may move closer. We
make the padding a little smaller, here.
*/
- Interval e = b->extent (common, X_AXIS);
- if (e.is_empty ())
- e = Interval (0,0) + b->relative_coordinate (common, X_AXIS);
-
- x_points[d] = e.center () - d * padding / 3; // ugh.
- }
- else
- {
- Interval e = b->extent (common, X_AXIS);
- if (!e.is_empty ())
- x_points[d] = e[-d] - d*padding;
+ Interval e = robust_relative_extent (b, common, X_AXIS);
+ x_points[d]
+ = neighbor_found ? e.center () - d * padding / 3 : e[d];
}
}
}
while (flip (&d) != LEFT);
-
Real width = x_points[RIGHT] - x_points[LEFT];
-
if (width < 0)
{
me->warning (_ ((grow_dir < 0) ? "decrescendo too small"
- : "crescendo too small"));
+ : "crescendo too small"));
width = 0;
}
if (grow_dir < 0)
{
starth = height;
- endh = continued ? height/2 : 0.0;
+ endh = continued ? height / 2 : 0.0;
}
else
{
- starth = continued ? height/2 : 0.0;
+ starth = continued ? height / 2 : 0.0;
endh = height;
}
*/
Stencil mol;
- mol = Line_interface::line (me, Offset (0, starth), Offset (width, endh));
+ mol = Line_interface::line (me, Offset (0, starth), Offset (width, endh));
mol.add_stencil (Line_interface::line (me,
Offset (0, -starth),
Offset (width, -endh)));
return mol.smobbed_copy ();
}
-
-
ADD_INTERFACE (Hairpin, "hairpin-interface",
- "A hairpin (de)crescendo.",
- "grow-direction height bound-padding");
+ "A hairpin (de)crescendo.",
+ "grow-direction height bound-padding adjacent-hairpins");