source file of the GNU LilyPond music typesetter
- (c) 1996--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1996--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "paper-score.hh"
#include "all-font-metrics.hh"
#include "book.hh"
-#include "gourlay-breaking.hh"
#include "international.hh"
#include "main.hh"
#include "misc.hh"
vector<vsize>
Paper_score::find_break_indices () const
{
- vector<Grob*> all = root_system ()->columns ();
+ vector<Grob*> all = root_system ()->used_columns ();
vector<vsize> retval;
for (vsize i = 0; i < all.size (); i++)
{
Item *it = dynamic_cast<Item*> (all[i]);
- if (Item::is_breakable (all[i])
+ if (Paper_column::is_breakable (all[i])
&& (i == 0 || it->find_prebroken_piece (LEFT))
&& (i == all.size () - 1 || it->find_prebroken_piece (RIGHT)))
retval.push_back (i);
}
+ cols_ = all;
+ break_indices_ = retval;
+
return retval;
}
+vector<vsize>
+Paper_score::get_break_indices () const
+{
+ if (break_indices_.empty ())
+ find_break_indices ();
+ return break_indices_;
+}
+
+vector<Grob*>
+Paper_score::get_columns () const
+{
+ if (cols_.empty ())
+ find_break_indices ();
+ return cols_;
+}
vector<Column_x_positions>
Paper_score::calc_breaking ()
{
- Break_algorithm *algorithm = 0;
+ Constrained_breaking algorithm (this);
vector<Column_x_positions> sol;
message (_ ("Calculating line breaks...") + " ");
int system_count = robust_scm2int (layout ()->c_variable ("system-count"), 0);
if (system_count)
- {
- Constrained_breaking *b = new Constrained_breaking;
- b->resize (system_count);
- algorithm = b;
- }
- else
- algorithm = new Gourlay_breaking;
-
- algorithm->set_pscore (this);
- sol = algorithm->solve ();
- delete algorithm;
-
- return sol;
+ algorithm.resize (system_count);
+
+ return algorithm.solve ();
}
void
system_->element_count (),
system_->spanner_count ()));
- message (_ ("Preprocessing graphical objects...") + " ");
+ message (_ ("Preprocessing graphical objects..."));
/* FIXME: Check out why we need this - removing gives assertion failures
down the road.
doubly, also done in Score_engraver */
- vector<Grob*> pc (system_->columns ());
- pc[0]->set_property ("breakable", SCM_BOOL_T);
- pc.back ()->set_property ("breakable", SCM_BOOL_T);
+ vector<Grob*> pc (system_->used_columns ());
+ pc[0]->set_property ("line-break-permission", ly_symbol2scm ("allow"));
+ pc.back ()->set_property ("line-break-permission", ly_symbol2scm ("allow"));
system_->pre_processing ();
}
return paper_systems_;
}
+
+Paper_score *
+unsmob_paper_score (SCM x)
+{
+ return dynamic_cast<Paper_score*> (unsmob_music_output (x));
+}