assert (a == Y_AXIS);
if (Note_column::has_rests (them))
- {
- Grob * rc = unsmob_grob (them->get_property ("rest-collision"));
+ {
+ Grob *rc = unsmob_grob (them->get_property ("rest-collision"));
if (rc && !to_boolean (rc->get_property ("positioning-done")))
{
rc->set_property ("positioning-done", SCM_BOOL_T);
do_shift (rc);
}
- }
+ }
return scm_make_real (0.0);
}
-
MAKE_SCHEME_CALLBACK (Rest_collision, force_shift_callback_rest, 2);
SCM
Rest_collision::force_shift_callback_rest (SCM rest, SCM axis)
Grob *parent = rest_grob->get_parent (X_AXIS);
if (Note_column::has_interface (parent))
- return force_shift_callback (parent->self_scm(), axis);
+ return force_shift_callback (parent->self_scm (), axis);
else
return scm_make_real (0.0);
}
-
void
-Rest_collision::add_column (Grob*me, Grob *p)
+Rest_collision::add_column (Grob *me, Grob *p)
{
me->add_dependency (p);
Pointer_group_interface::add_grob (me, ly_symbol2scm ("elements"), p);
/*
TODO: look at horizontal-shift to determine ordering between rests
for more than two voices.
-
- */
+*/
SCM
Rest_collision::do_shift (Grob *me)
{
for (SCM s = elts; scm_is_pair (s); s = scm_cdr (s))
{
- Grob * e = unsmob_grob (scm_car (s));
+ Grob *e = unsmob_grob (scm_car (s));
if (unsmob_grob (e->get_property ("rest")))
{
/*
Ignore rests under beam.
- */
- Grob* st = unsmob_grob (e->get_property ("stem"));
+ */
+ Grob *st = unsmob_grob (e->get_property ("stem"));
if (st && unsmob_grob (st->get_property ("beam")))
continue;
-
+
rests.push (e);
}
else
notes.push (e);
}
-
- /*
- handle rest-rest and rest-note collisions
+ /*
+ handle rest-rest and rest-note collisions
- [todo]
- * decide not to print rest if too crowded?
- */
+ [todo]
+ * decide not to print rest if too crowded?
+ */
/*
no partners to collide with
- */
+ */
if (rests.size () + notes.size () < 2)
return SCM_UNSPECIFIED;
-
Real staff_space = Staff_symbol_referencer::staff_space (me);
/*
only rests
*/
- if (!notes.size ())
+ if (!notes.size ())
{
/*
This is incomplete: in case of an uneven number of rests, the
center one should be centered on the staff.
- */
- Drul_array< Link_array <Grob > > ordered_rests;
+ */
+ Drul_array< Link_array<Grob> > ordered_rests;
for (int i = 0; i < rests.size (); i++)
{
- Grob * r = Note_column::get_rest (rests[i]);
-
+ Grob *r = Note_column::get_rest (rests[i]);
+
Direction d = get_grob_direction (r);
if (d)
{
ordered_rests[d].push (rests[i]);
}
else
- rests[d]->warning (_("rest direction not set. Cannot resolve collision."));
+ rests[d]->warning (_ ("rest direction not set. Cannot resolve collision."));
}
- Direction d = LEFT;
- do {
- ordered_rests[d].sort (Note_column::shift_compare);
- } while (flip (&d) != LEFT);
-
- do {
- if (ordered_rests[d].size () < 1)
- {
- if (ordered_rests[-d].size() > 1)
- ordered_rests[-d][0]->warning (_ ("too many colliding rests"));
-
- return SCM_UNSPECIFIED;
- }
- } while (flip (&d) != LEFT);
+ Direction d = LEFT;
+ do
+ {
+ ordered_rests[d].sort (Note_column::shift_compare);
+ }
+ while (flip (&d) != LEFT);
+
+ do
+ {
+ if (ordered_rests[d].size () < 1)
+ {
+ if (ordered_rests[-d].size () > 1)
+ ordered_rests[-d][0]->warning (_ ("too many colliding rests"));
+
+ return SCM_UNSPECIFIED;
+ }
+ }
+ while (flip (&d) != LEFT);
Grob *common = common_refpoint_of_array (ordered_rests[DOWN], me, Y_AXIS);
- common = common_refpoint_of_array (ordered_rests[UP], common, Y_AXIS);
+ common = common_refpoint_of_array (ordered_rests[UP], common, Y_AXIS);
- Real diff =
- (ordered_rests[DOWN].top ()->extent (common, Y_AXIS)[UP]
- - ordered_rests[UP].top ()->extent (common, Y_AXIS)[DOWN]) / staff_space;
+ Real diff
+ = (ordered_rests[DOWN].top ()->extent (common, Y_AXIS)[UP]
+ - ordered_rests[UP].top ()->extent (common, Y_AXIS)[DOWN]) / staff_space;
if (diff > 0)
{
- int amount_down = (int) ceil (diff / 2);
+ int amount_down = (int) ceil (diff / 2);
diff -= amount_down;
Note_column::translate_rests (ordered_rests[DOWN].top (),
-2 * amount_down);
2 * int (ceil (diff)));
}
- do {
- for (int i = ordered_rests[d].size () -1; i-- > 0;)
- {
- Real last_y = ordered_rests[d][i+1]->extent (common, Y_AXIS)[d];
- Real y = ordered_rests[d][i]->extent (common, Y_AXIS)[-d];
+ do
+ {
+ for (int i = ordered_rests[d].size () -1; i-- > 0;)
+ {
+ Real last_y = ordered_rests[d][i + 1]->extent (common, Y_AXIS)[d];
+ Real y = ordered_rests[d][i]->extent (common, Y_AXIS)[-d];
+
+ Real diff = d * ((last_y - y) /staff_space);
+ if (diff > 0)
+ Note_column::translate_rests (ordered_rests[d][i], d * (int) ceil (diff) * 2);
+ }
+ }
+ while (flip (&d) != LEFT);
- Real diff = d * ((last_y - y) /staff_space);
- if (diff > 0)
- Note_column::translate_rests (ordered_rests[d][i], d * (int) ceil (diff) * 2);
- }
- } while (flip (&d) != LEFT);
}
- else
+ else
{
/*
Rests and notes.
- */
+ */
if (rests.size () > 1)
{
warning (_ ("too many colliding rests"));
}
- Grob * rcol = 0;
+ Grob *rcol = 0;
Direction dir = CENTER;
for (int i = rests.size (); !rcol && i--;)
if (!rcol)
return SCM_UNSPECIFIED;
-
+
Grob *common = common_refpoint_of_array (notes, rcol, Y_AXIS);
-
+
Interval restdim = rcol->extent (common, Y_AXIS);
if (restdim.is_empty ())
return SCM_UNSPECIFIED;
-
+
Real staff_space = Staff_symbol_referencer::staff_space (rcol);
Real minimum_dist = robust_scm2double (me->get_property ("minimum-distance"), 1.0) * staff_space;
Interval notedim;
- for (int i = 0; i < notes.size (); i++)
+ for (int i = 0; i < notes.size (); i++)
{
notedim.unite (notes[i]->extent (common, Y_AXIS));
}
- Real dist =
- minimum_dist + dir * (notedim[dir] - restdim[-dir]) >? 0;
+ Real dist
+ = minimum_dist + dir * (notedim[dir] - restdim[-dir]) >? 0;
int stafflines = Staff_symbol_referencer::line_count (me);
if (!stafflines)
programming_error ("No staff line count ? ");
stafflines =5;
}
-
+
// move discretely by half spaces.
int discrete_dist = int (ceil (dist / (0.5 *staff_space)));
// move by whole spaces inside the staff.
- if (discrete_dist < stafflines+1)
+ if (discrete_dist < stafflines + 1)
discrete_dist = int (ceil (discrete_dist / 2.0)* 2.0);
Note_column::translate_rests (rcol, dir * discrete_dist);
return SCM_UNSPECIFIED;
}
-
ADD_INTERFACE (Rest_collision, "rest-collision-interface",
"Move around ordinary rests (not multi-measure-rests) to avoid "
"conflicts.",