source file of the GNU LilyPond music typesetter
- (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2005--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "staff-spacing.hh"
+#include "spacing-options.hh"
#include "system.hh"
#include "paper-column.hh"
#include "column-x-positions.hh"
#include "pointer-group-interface.hh"
+#include "spacing-interface.hh"
#include "spacing-spanner.hh"
#include "note-spacing.hh"
#include "moment.hh"
+#include "grob-array.hh"
#include "break-align-interface.hh"
#include "warn.hh"
(Otherwise, we might risk core dumps, and other weird stuff.)
*/
static bool
-is_loose_column (Grob *l, Grob *c, Grob *r, Spacing_options const *options)
+is_loose_column (Grob *l, Grob *col, Grob *r, Spacing_options const *options)
{
- if (options->float_nonmusical_columns_
- && Paper_column::when_mom (c).grace_part_)
- return true;
-
- if (Paper_column::is_musical (c)
- || Item::is_breakable (c))
+ if (!to_boolean (col->get_property ("allow-loose-spacing")))
return false;
+
- extract_grob_set (c, "right-neighbors", rns);
- extract_grob_set (c, "left-neighbors", lns);
+ if ((options->float_nonmusical_columns_
+ || options->float_grace_columns_)
+ && Paper_column::when_mom (col).grace_part_)
+ {
+ return true;
+ }
+
+
+ if (Paper_column::is_musical (col)
+ || Paper_column::is_breakable (col))
+ return false;
/*
If this column doesn't have a proper neighbor, we should really
such a borderline case.)
*/
+
+ extract_grob_set (col, "right-neighbors", rns);
+ extract_grob_set (col, "left-neighbors", lns);
+
if (lns.empty () || rns.empty ())
return false;
+
Item *l_neighbor = dynamic_cast<Item *> (lns[0]);
Item *r_neighbor = dynamic_cast<Item *> (rns[0]);
return false;
l_neighbor = l_neighbor->get_column ();
- r_neighbor = dynamic_cast<Item *> (Note_spacing::right_column (r_neighbor));
+ r_neighbor = dynamic_cast<Item *> (Spacing_interface::right_column (r_neighbor));
if (l == l_neighbor && r == r_neighbor)
return false;
some cases (two isolated, consecutive clef changes) won't be
nicely folded, but hey, then don't do that.
*/
- if (! ((Paper_column::is_musical (l_neighbor) || Item::is_breakable (l_neighbor))
- && (Paper_column::is_musical (r_neighbor) || Item::is_breakable (r_neighbor))))
+ if (! ((Paper_column::is_musical (l_neighbor) || Paper_column::is_breakable (l_neighbor))
+ && (Paper_column::is_musical (r_neighbor) || Paper_column::is_breakable (r_neighbor))))
return false;
/*
- A rather hairy check, but we really only want to move around
- clefs. (anything else?)
-
in any case, we don't want to move bar lines.
*/
- extract_grob_set (c, "elements", elts);
+ extract_grob_set (col, "elements", elts);
for (vsize i = elts.size (); i--;)
{
Grob *g = elts[i];
- if (g && Break_align_interface::has_interface (g))
+ if (g && Break_alignment_interface::has_interface (g))
{
extract_grob_set (g, "elements", gelts);
for (vsize j = gelts.size (); j--;)
{
Grob *h = gelts[j];
- /*
- ugh. -- fix staff-bar name?
- */
if (h && h->get_property ("break-align-symbol") == ly_symbol2scm ("staff-bar"))
return false;
}
return true;
}
+void
+Spacing_spanner::set_distances_for_loose_col (Grob *me, Grob *c,
+ Drul_array<Item *> next_door,
+ Spacing_options const *options)
+{
+ Direction d = LEFT;
+ Drul_array<Real> dists (0, 0);
+
+ do
+ {
+ Item *lc = dynamic_cast<Item *> ((d == LEFT) ? next_door[LEFT] : c);
+ Item *rc = dynamic_cast<Item *> (d == LEFT ? c : next_door[RIGHT]);
+
+ extract_grob_set (lc, "spacing-wishes", wishes);
+ for (vsize k = wishes.size (); k--;)
+ {
+ Grob *sp = wishes[k];
+ if (Spacing_interface::left_column (sp) != lc
+ || Spacing_interface::right_column (sp) != rc)
+ continue;
+
+ if (Note_spacing::has_interface (sp))
+ {
+ /*
+ The note spacing should be taken from the musical
+ columns.
+ */
+ Real base = note_spacing (me, lc, rc, options);
+ Spring spring = Note_spacing::get_spacing (sp, rc, base, options->increment_);
+
+ dists[d] = max (dists[d], spring.min_distance ());
+ }
+ else if (Staff_spacing::has_interface (sp))
+ {
+ Spring spring = Staff_spacing::get_spacing (sp, rc);
+
+ dists[d] = max (dists[d], spring.min_distance ());
+ }
+ else
+ programming_error ("Subversive spacing wish");
+ }
+ }
+ while (flip (&d) != LEFT);
+
+ Rod r;
+ r.distance_ = dists[LEFT] + dists[RIGHT];
+ r.item_drul_ = next_door;
+
+ r.add_to_cols ();
+}
+
+
/*
Remove columns that are not tightly fitting from COLS. In the
removed columns, set 'between-cols to the columns where it is in
between.
*/
void
-Spacing_spanner::prune_loose_columns (Grob *me, vector<Grob*> *cols,
- Spacing_options const *options)
+Spacing_spanner::prune_loose_columns (Grob *me,
+ vector<Grob*> *cols,
+ Spacing_options *options)
{
vector<Grob*> newcols;
{
Grob *c = cols->at (i);
- bool loose = (i > 0 && i < cols->size () - 1)
+ bool loose = (i > 0 && i + 1 < cols->size ())
&& is_loose_column (cols->at (i - 1), c, cols->at (i + 1), options);
if (loose)
*/
extract_grob_set (unsmob_grob (rns), "right-items", right_items);
- c->set_object ("between-cols", scm_cons (lns,
- right_items[0]->self_scm ()));
-
- /*
- Set distance constraints for loose columns
- */
- Drul_array<Grob *> next_door;
- next_door[LEFT] = cols->at (i - 1);
- next_door[RIGHT] = cols->at (i + 1);
- Direction d = LEFT;
- Drul_array<Real> dists (0, 0);
-
- do
+ if (right_items.size () == 0 || !unsmob_grob (lns))
{
- dists[d] = 0.0;
- Item *lc = dynamic_cast<Item *> ((d == LEFT) ? next_door[LEFT] : c);
- Item *rc = dynamic_cast<Item *> (d == LEFT ? c : next_door[RIGHT]);
-
- extract_grob_set (lc, "spacing-wishes", wishes);
- for (vsize k = wishes.size (); k--;)
+ c->programming_error ("Cannot determine neighbors for floating column. ");
+ c->set_object ("between-cols", scm_cons (cols->at (i-1)->self_scm (),
+ cols->at (i+1)->self_scm ()));
+ }
+ else
+ {
+ Grob *min_item = 0;
+ int min_rank = INT_MAX;
+ for (vsize j = 0; j < right_items.size (); j ++)
{
- Grob *sp = wishes[k];
- if (Note_spacing::left_column (sp) != lc
- || Note_spacing::right_column (sp) != rc)
- continue;
-
- Real space, fixed;
- fixed = 0.0;
- bool dummy;
-
- if (Note_spacing::has_interface (sp))
+ int rank = dynamic_cast<Item*> (right_items[j])->get_column ()->get_rank ();
+ if (rank < min_rank)
{
- /*
- The note spacing should be taken from the musical
- columns.
-
- */
- Real base = note_spacing (me, lc, rc, options, &dummy);
- Note_spacing::get_spacing (sp, rc, base, options->increment_, &space, &fixed);
-
- space -= options->increment_;
-
- dists[d] = max (dists[d], space);
- }
- else if (Staff_spacing::has_interface (sp))
- {
- Real space, fixed_space;
- Staff_spacing::get_spacing_params (sp,
- &space, &fixed_space);
-
- dists[d] = max (dists[d], fixed_space);
+ min_item = right_items[j];
+ min_rank = rank;
}
- else
- programming_error ("Subversive spacing wish");
}
- }
- while (flip (&d) != LEFT);
+
+ c->set_object ("between-cols", scm_cons (lns,
+ min_item->self_scm ()));
- Rod r;
- r.distance_ = dists[LEFT] + dists[RIGHT];
- r.item_drul_[LEFT] = dynamic_cast<Item *> (cols->at (i - 1));
- r.item_drul_[RIGHT] = dynamic_cast<Item *> (cols->at (i + 1));
+ /*
+ Set distance constraints for loose columns
+ */
+ Drul_array<Item *> next_door (dynamic_cast<Item*> (cols->at (i - 1)),
+ dynamic_cast<Item*> (cols->at (i + 1)));
- r.add_to_cols ();
+ set_distances_for_loose_col (me, c, next_door, options);
+ }
}
- else
+
+ if (!loose)
newcols.push_back (c);
}
{
SCM right_neighbors = Grob_array::make_array ();
Grob_array *rn_arr = unsmob_grob_array (right_neighbors);
- int min_rank = 100000; // inf.
+ int min_rank = INT_MAX;
extract_grob_set (cols[i], "spacing-wishes", wishes);
for (vsize k = wishes.size (); k--;)
Item *wish = dynamic_cast<Item *> (wishes[k]);
Item *lc = wish->get_column ();
- Grob *right = Note_spacing::right_column (wish);
+ Grob *right = Spacing_interface::right_column (wish);
if (!right)
continue;
for (vsize i = 0; i < cols.size (); i++)
{
Item *it = dynamic_cast<Item *> (cols[i]);
- if (!Item::is_breakable (it) && !Paper_column::is_musical (it))
+ if (!Paper_column::is_breakable (it) && !Paper_column::is_musical (it))
continue;
- // it->breakable || it->musical
-
/*
sloppy with typing left/right-neighbors should take list, but paper-column found instead.
*/
cols[i]->set_object ("left-neighbors", ga_scm);
}
extract_grob_set (cols[i], "right-neighbors", rns);
- if (rns.empty () && i < cols.size () - 1)
+ if (rns.empty () && i + 1 < cols.size ())
{
SCM ga_scm = Grob_array::make_array ();
Grob_array *ga = unsmob_grob_array (ga_scm);
projects / lilypond.git / blobdiff