/*
- paper-score.cc -- implement Paper_score
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1996--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1996--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "paper-score.hh"
system->unprotect ();
}
-
-vector<vsize>
+void
Paper_score::find_break_indices () const
{
- vector<Grob*> all = root_system ()->used_columns ();
- vector<vsize> retval;
+ cols_ = root_system ()->used_columns ();
+ break_indices_.clear ();
+ break_ranks_.clear ();
- for (vsize i = 0; i < all.size (); i++)
+ for (vsize i = 0; i < cols_.size (); i++)
{
- Item *it = dynamic_cast<Item*> (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);
+ Item *it = dynamic_cast<Item *> (cols_[i]);
+ if (Paper_column::is_breakable (cols_[i])
+ && (i == 0 || it->find_prebroken_piece (LEFT))
+ && (i == cols_.size () - 1 || it->find_prebroken_piece (RIGHT)))
+ {
+ break_indices_.push_back (i);
+ break_ranks_.push_back (it->get_column ()->get_rank ());
+ }
}
-
- cols_ = all;
- break_indices_ = retval;
-
- return retval;
}
vector<vsize>
return break_indices_;
}
-vector<Grob*>
+vector<Grob *>
Paper_score::get_columns () const
{
if (cols_.empty ())
return cols_;
}
+vector<vsize>
+Paper_score::get_break_ranks () const
+{
+ if (break_ranks_.empty ())
+ find_break_indices ();
+ return break_ranks_;
+}
+
vector<Column_x_positions>
Paper_score::calc_breaking ()
{
int system_count = robust_scm2int (layout ()->c_variable ("system-count"), 0);
if (system_count)
- algorithm.resize (system_count);
+ return algorithm.solve (0, VPOS, system_count);
- return algorithm.solve ();
+ return algorithm.best_solution (0, VPOS);
}
void
Paper_score::process ()
{
- if (be_verbose_global)
- message (_f ("Element count %d (spanners %d) ",
- system_->element_count (),
- system_->spanner_count ()));
+ debug_output (_f ("Element count %d (spanners %d) ",
+ system_->element_count (),
+ system_->spanner_count ()));
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_->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));
+}